From 68d0fc3c59185065d9694ba3f8cb2665b984eb9f Mon Sep 17 00:00:00 2001 From: Carlos Garcia Campos Date: Sun, 18 Jan 2009 11:53:54 +0000 Subject: Move EvView specific code to a libeviview library so that it can be 2009-01-18 Carlos Garcia Campos * configure.ac: * Makefile.am: * libdocument/Makefile.am: * libview/Makefile.am: * libview/ev-job-scheduler.[ch]: * libview/ev-jobs.[ch]: * libview/ev-page-cache.[ch]: * libview/ev-pixbuf-cache.[ch]: * libview/ev-timeline.[ch]: * libview/ev-transition-animation.[ch]: * libview/ev-view-accessible.[ch]: * libview/ev-view-marshal.list: * libview/ev-view.[ch]: * shell/Makefile.am: Move EvView specific code to a libeviview library so that it can be embbeded in other applications. Based on patches by Tomeu Vizoso. Fixes bug #567751. svn path=/trunk/; revision=3348 --- (limited to 'shell') diff --git a/shell/Makefile.am b/shell/Makefile.am index d5abcb0..ab09ef9 100644 --- a/shell/Makefile.am +++ b/shell/Makefile.am @@ -9,6 +9,7 @@ INCLUDES= \ -I$(top_srcdir)/cut-n-paste/evmountoperation/ \ -I$(top_srcdir)/cut-n-paste/smclient/ \ -I$(top_srcdir)/libdocument \ + -I$(top_srcdir)/libview \ -I$(top_srcdir)/properties \ -DGNOMELOCALEDIR=\"$(datadir)/locale\" \ -DGNOMEICONDIR=\""$(datadir)/pixmaps"\" \ @@ -30,10 +31,6 @@ evince_SOURCES= \ eggfindbar.h \ ev-application.c \ ev-application.h \ - ev-job-scheduler.h \ - ev-job-scheduler.c \ - ev-jobs.h \ - ev-jobs.c \ ev-file-monitor.h \ ev-file-monitor.c \ ev-history.c \ @@ -55,12 +52,8 @@ evince_SOURCES= \ ev-page-action.h \ ev-page-action-widget.c \ ev-page-action-widget.h \ - ev-page-cache.h \ - ev-page-cache.c \ ev-password-view.h \ ev-password-view.c \ - ev-pixbuf-cache.c \ - ev-pixbuf-cache.h \ ev-print-operation.h \ ev-print-operation.c \ ev-progress-message-area.h \ @@ -73,11 +66,6 @@ evince_SOURCES= \ ev-open-recent-action.h \ ev-utils.c \ ev-utils.h \ - ev-view-accessible.c \ - ev-view-accessible.h \ - ev-view-private.h \ - ev-view.c \ - ev-view.h \ ev-window.c \ ev-window.h \ ev-window-title.c \ @@ -96,10 +84,6 @@ evince_SOURCES= \ ev-sidebar-thumbnails.h \ ev-stock-icons.c \ ev-stock-icons.h \ - ev-timeline.c \ - ev-timeline.h \ - ev-transition-animation.c \ - ev-transition-animation.h \ main.c evince_LDADD= \ @@ -112,6 +96,7 @@ evince_LDADD= \ $(top_builddir)/cut-n-paste/smclient/libsmclient.la \ $(top_builddir)/properties/libevproperties.la \ $(top_builddir)/libdocument/libevbackend.la \ + $(top_builddir)/libview/libevview.la \ $(SHELL_LIBS) BUILT_SOURCES = ev-marshal.h ev-marshal.c diff --git a/shell/ev-job-scheduler.c b/shell/ev-job-scheduler.c deleted file mode 100644 index 900714e..0000000 --- a/shell/ev-job-scheduler.c +++ /dev/null @@ -1,305 +0,0 @@ -/* ev-job-scheduler.c - * this file is part of evince, a gnome document viewer - * - * Copyright (C) 2008 Carlos Garcia Campos - * - * Evince is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * Evince is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. - */ - -#include "ev-debug.h" -#include "ev-job-scheduler.h" - -typedef struct _EvSchedulerJob { - EvJob *job; - EvJobPriority priority; - GSList *job_link; -} EvSchedulerJob; - -G_LOCK_DEFINE_STATIC(job_list); -static GSList *job_list = NULL; - -static gpointer ev_job_thread_proxy (gpointer data); -static void ev_scheduler_thread_job_cancelled (EvSchedulerJob *job, - GCancellable *cancellable); - -/* EvJobQueue */ -static GQueue queue_urgent = G_QUEUE_INIT; -static GQueue queue_high = G_QUEUE_INIT; -static GQueue queue_low = G_QUEUE_INIT; -static GQueue queue_none = G_QUEUE_INIT; - -static GCond *job_queue_cond = NULL; -static GMutex *job_queue_mutex = NULL; -static GQueue *job_queue[EV_JOB_N_PRIORITIES] = { - &queue_urgent, - &queue_high, - &queue_low, - &queue_none -}; - -static void -ev_job_queue_push (EvSchedulerJob *job, - EvJobPriority priority) -{ - ev_debug_message (DEBUG_JOBS, "%s priority %d", EV_GET_TYPE_NAME (job->job), priority); - - g_mutex_lock (job_queue_mutex); - - g_queue_push_tail (job_queue[priority], job); - g_cond_broadcast (job_queue_cond); - - g_mutex_unlock (job_queue_mutex); -} - -static EvSchedulerJob * -ev_job_queue_get_next_unlocked (void) -{ - gint i; - EvSchedulerJob *job = NULL; - - for (i = EV_JOB_PRIORITY_URGENT; i < EV_JOB_N_PRIORITIES; i++) { - job = (EvSchedulerJob *) g_queue_pop_head (job_queue[i]); - if (job) - break; - } - - ev_debug_message (DEBUG_JOBS, "%s", job ? EV_GET_TYPE_NAME (job->job) : "No jobs in queue"); - - return job; -} - -static gpointer -ev_job_scheduler_init (gpointer data) -{ - job_queue_cond = g_cond_new (); - job_queue_mutex = g_mutex_new (); - g_thread_create (ev_job_thread_proxy, NULL, FALSE, NULL); - - return NULL; -} - -static void -ev_scheduler_job_list_add (EvSchedulerJob *job) -{ - ev_debug_message (DEBUG_JOBS, "%s", EV_GET_TYPE_NAME (job->job)); - - G_LOCK (job_list); - - job_list = g_slist_prepend (job_list, job); - job->job_link = job_list; - - G_UNLOCK (job_list); -} - -static void -ev_scheduler_job_list_remove (EvSchedulerJob *job) -{ - ev_debug_message (DEBUG_JOBS, "%s", EV_GET_TYPE_NAME (job->job)); - - G_LOCK (job_list); - - job_list = g_slist_delete_link (job_list, job->job_link); - - G_UNLOCK (job_list); -} - -static void -ev_scheduler_job_free (EvSchedulerJob *job) -{ - if (!job) - return; - - g_object_unref (job->job); - g_free (job); -} - -static void -ev_scheduler_job_destroy (EvSchedulerJob *job) -{ - ev_debug_message (DEBUG_JOBS, "%s", EV_GET_TYPE_NAME (job->job)); - - if (job->job->run_mode == EV_JOB_RUN_MAIN_LOOP) { - g_signal_handlers_disconnect_by_func (job->job, - G_CALLBACK (ev_scheduler_job_destroy), - job); - } else { - g_signal_handlers_disconnect_by_func (job->job->cancellable, - G_CALLBACK (ev_scheduler_thread_job_cancelled), - job); - } - - ev_scheduler_job_list_remove (job); - ev_scheduler_job_free (job); -} - -static void -ev_scheduler_thread_job_cancelled (EvSchedulerJob *job, - GCancellable *cancellable) -{ - GList *list; - - ev_debug_message (DEBUG_JOBS, "%s", EV_GET_TYPE_NAME (job->job)); - - g_mutex_lock (job_queue_mutex); - - /* If the job is not still running, - * remove it from the job queue and job list. - * If the job is currently running, it will be - * destroyed as soon as it finishes. - */ - list = g_queue_find (job_queue[job->priority], job); - if (list) { - g_queue_delete_link (job_queue[job->priority], list); - g_mutex_unlock (job_queue_mutex); - ev_scheduler_job_destroy (job); - } else { - g_mutex_unlock (job_queue_mutex); - } -} - -static void -ev_job_thread (EvJob *job) -{ - gboolean result; - - ev_debug_message (DEBUG_JOBS, "%s", EV_GET_TYPE_NAME (job)); - - do { - if (g_cancellable_is_cancelled (job->cancellable)) - result = FALSE; - else - result = ev_job_run (job); - } while (result); -} - -static gboolean -ev_job_idle (EvJob *job) -{ - ev_debug_message (DEBUG_JOBS, "%s", EV_GET_TYPE_NAME (job)); - - if (g_cancellable_is_cancelled (job->cancellable)) - return FALSE; - - return ev_job_run (job); -} - -static gpointer -ev_job_thread_proxy (gpointer data) -{ - while (TRUE) { - EvSchedulerJob *job; - - g_mutex_lock (job_queue_mutex); - job = ev_job_queue_get_next_unlocked (); - if (!job) { - g_cond_wait (job_queue_cond, job_queue_mutex); - g_mutex_unlock (job_queue_mutex); - continue; - } - g_mutex_unlock (job_queue_mutex); - - ev_job_thread (job->job); - ev_scheduler_job_destroy (job); - } - - return NULL; -} - -void -ev_job_scheduler_push_job (EvJob *job, - EvJobPriority priority) -{ - static GOnce once_init = G_ONCE_INIT; - EvSchedulerJob *s_job; - - g_once (&once_init, ev_job_scheduler_init, NULL); - - ev_debug_message (DEBUG_JOBS, "%s pirority %d", EV_GET_TYPE_NAME (job), priority); - - s_job = g_new0 (EvSchedulerJob, 1); - s_job->job = g_object_ref (job); - s_job->priority = priority; - - ev_scheduler_job_list_add (s_job); - - switch (ev_job_get_run_mode (job)) { - case EV_JOB_RUN_THREAD: - g_signal_connect_swapped (job->cancellable, "cancelled", - G_CALLBACK (ev_scheduler_thread_job_cancelled), - s_job); - ev_job_queue_push (s_job, priority); - break; - case EV_JOB_RUN_MAIN_LOOP: - g_signal_connect_swapped (job, "finished", - G_CALLBACK (ev_scheduler_job_destroy), - s_job); - g_signal_connect_swapped (job, "cancelled", - G_CALLBACK (ev_scheduler_job_destroy), - s_job); - g_idle_add_full (G_PRIORITY_DEFAULT_IDLE, - (GSourceFunc)ev_job_idle, - g_object_ref (job), - (GDestroyNotify)g_object_unref); - break; - default: - g_assert_not_reached (); - } -} - -void -ev_job_scheduler_update_job (EvJob *job, - EvJobPriority priority) -{ - GSList *l; - EvSchedulerJob *s_job = NULL; - gboolean need_resort = FALSE; - - /* Main loop jobs are scheduled inmediately */ - if (ev_job_get_run_mode (job) == EV_JOB_RUN_MAIN_LOOP) - return; - - ev_debug_message (DEBUG_JOBS, "%s pirority %d", EV_GET_TYPE_NAME (job), priority); - - G_LOCK (job_list); - - for (l = job_list; l; l = l->next) { - s_job = (EvSchedulerJob *)l->data; - - if (s_job->job == job) { - need_resort = (s_job->priority != priority); - break; - } - } - - G_UNLOCK (job_list); - - if (need_resort) { - GList *list; - - g_mutex_lock (job_queue_mutex); - - list = g_queue_find (job_queue[s_job->priority], s_job); - if (list) { - ev_debug_message (DEBUG_JOBS, "Moving job %s from pirority %d to %d", - EV_GET_TYPE_NAME (job), s_job->priority, priority); - g_queue_delete_link (job_queue[s_job->priority], list); - g_queue_push_tail (job_queue[priority], s_job); - g_cond_broadcast (job_queue_cond); - } - - g_mutex_unlock (job_queue_mutex); - } -} - diff --git a/shell/ev-job-scheduler.h b/shell/ev-job-scheduler.h deleted file mode 100644 index 66f9f80..0000000 --- a/shell/ev-job-scheduler.h +++ /dev/null @@ -1,44 +0,0 @@ -/* ev-job-scheduler.h - * this file is part of evince, a gnome document viewer - * - * Copyright (C) 2008 Carlos Garcia Campos - * - * Evince is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * Evince is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. - */ - -#ifndef EV_JOB_SCHEDULER_H -#define EV_JOB_SCHEDULER_H - -#include -#include "ev-jobs.h" - -G_BEGIN_DECLS - -typedef enum { - EV_JOB_PRIORITY_URGENT, /* Rendering current page range */ - EV_JOB_PRIORITY_HIGH, /* Rendering current thumbnail range */ - EV_JOB_PRIORITY_LOW, /* Rendering pages not in current range */ - EV_JOB_PRIORITY_NONE, /* Any other job: load, save, print, ... */ - EV_JOB_N_PRIORITIES -} EvJobPriority; - -void ev_job_scheduler_push_job (EvJob *job, - EvJobPriority priority); -void ev_job_scheduler_update_job (EvJob *job, - EvJobPriority priority); - -G_END_DECLS - -#endif /* EV_JOB_SCHEDULER_H */ diff --git a/shell/ev-jobs.c b/shell/ev-jobs.c deleted file mode 100644 index 102cd90..0000000 --- a/shell/ev-jobs.c +++ /dev/null @@ -1,1366 +0,0 @@ -/* this file is part of evince, a gnome document viewer - * - * Copyright (C) 2008 Carlos Garcia Campos - * Copyright (C) 2005 Red Hat, Inc - * - * Evince is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * Evince is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. - */ - -#include - -#include "ev-jobs.h" -#include "ev-document-thumbnails.h" -#include "ev-document-links.h" -#include "ev-document-images.h" -#include "ev-document-forms.h" -#include "ev-file-exporter.h" -#include "ev-document-factory.h" -#include "ev-document-misc.h" -#include "ev-file-helpers.h" -#include "ev-document-fonts.h" -#include "ev-document-security.h" -#include "ev-document-find.h" -#include "ev-document-layers.h" -#include "ev-debug.h" - -#include -#include -#include -#include - -static void ev_job_init (EvJob *job); -static void ev_job_class_init (EvJobClass *class); -static void ev_job_links_init (EvJobLinks *job); -static void ev_job_links_class_init (EvJobLinksClass *class); -static void ev_job_attachments_init (EvJobAttachments *job); -static void ev_job_attachments_class_init (EvJobAttachmentsClass *class); -static void ev_job_render_init (EvJobRender *job); -static void ev_job_render_class_init (EvJobRenderClass *class); -static void ev_job_thumbnail_init (EvJobThumbnail *job); -static void ev_job_thumbnail_class_init (EvJobThumbnailClass *class); -static void ev_job_load_init (EvJobLoad *job); -static void ev_job_load_class_init (EvJobLoadClass *class); -static void ev_job_save_init (EvJobSave *job); -static void ev_job_save_class_init (EvJobSaveClass *class); -static void ev_job_find_init (EvJobFind *job); -static void ev_job_find_class_init (EvJobFindClass *class); -static void ev_job_layers_init (EvJobLayers *job); -static void ev_job_layers_class_init (EvJobLayersClass *class); -static void ev_job_export_init (EvJobExport *job); -static void ev_job_export_class_init (EvJobExportClass *class); - -enum { - CANCELLED, - FINISHED, - LAST_SIGNAL -}; - -enum { - PAGE_READY, - RENDER_LAST_SIGNAL -}; - -enum { - FONTS_UPDATED, - FONTS_LAST_SIGNAL -}; - -enum { - FIND_UPDATED, - FIND_LAST_SIGNAL -}; - -static guint job_signals[LAST_SIGNAL] = { 0 }; -static guint job_render_signals[RENDER_LAST_SIGNAL] = { 0 }; -static guint job_fonts_signals[FONTS_LAST_SIGNAL] = { 0 }; -static guint job_find_signals[FIND_LAST_SIGNAL] = { 0 }; - -G_DEFINE_ABSTRACT_TYPE (EvJob, ev_job, G_TYPE_OBJECT) -G_DEFINE_TYPE (EvJobLinks, ev_job_links, EV_TYPE_JOB) -G_DEFINE_TYPE (EvJobAttachments, ev_job_attachments, EV_TYPE_JOB) -G_DEFINE_TYPE (EvJobRender, ev_job_render, EV_TYPE_JOB) -G_DEFINE_TYPE (EvJobThumbnail, ev_job_thumbnail, EV_TYPE_JOB) -G_DEFINE_TYPE (EvJobFonts, ev_job_fonts, EV_TYPE_JOB) -G_DEFINE_TYPE (EvJobLoad, ev_job_load, EV_TYPE_JOB) -G_DEFINE_TYPE (EvJobSave, ev_job_save, EV_TYPE_JOB) -G_DEFINE_TYPE (EvJobFind, ev_job_find, EV_TYPE_JOB) -G_DEFINE_TYPE (EvJobLayers, ev_job_layers, EV_TYPE_JOB) -G_DEFINE_TYPE (EvJobExport, ev_job_export, EV_TYPE_JOB) - -/* EvJob */ -static void -ev_job_init (EvJob *job) -{ - job->cancellable = g_cancellable_new (); -} - -static void -ev_job_dispose (GObject *object) -{ - EvJob *job; - - job = EV_JOB (object); - - if (job->document) { - g_object_unref (job->document); - job->document = NULL; - } - - if (job->cancellable) { - g_object_unref (job->cancellable); - job->cancellable = NULL; - } - - if (job->error) { - g_error_free (job->error); - job->error = NULL; - } - - (* G_OBJECT_CLASS (ev_job_parent_class)->dispose) (object); -} - -static void -ev_job_class_init (EvJobClass *class) -{ - GObjectClass *oclass; - - oclass = G_OBJECT_CLASS (class); - - oclass->dispose = ev_job_dispose; - - job_signals[CANCELLED] = - g_signal_new ("cancelled", - EV_TYPE_JOB, - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (EvJobClass, cancelled), - NULL, NULL, - g_cclosure_marshal_VOID__VOID, - G_TYPE_NONE, 0); - job_signals [FINISHED] = - g_signal_new ("finished", - EV_TYPE_JOB, - G_SIGNAL_RUN_FIRST, - G_STRUCT_OFFSET (EvJobClass, finished), - NULL, NULL, - g_cclosure_marshal_VOID__VOID, - G_TYPE_NONE, 0); -} - -static gboolean -emit_finished (EvJob *job) -{ - ev_debug_message (DEBUG_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job); - - job->idle_finished_id = 0; - - if (job->cancelled) { - ev_debug_message (DEBUG_JOBS, "%s (%p) job was cancelled, do not emit finished", EV_GET_TYPE_NAME (job), job); - } else { - ev_profiler_stop (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job); - g_signal_emit (job, job_signals[FINISHED], 0); - } - - return FALSE; -} - -static void -ev_job_emit_finished (EvJob *job) -{ - ev_debug_message (DEBUG_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job); - - if (g_cancellable_is_cancelled (job->cancellable)) { - ev_debug_message (DEBUG_JOBS, "%s (%p) job was cancelled, returning", EV_GET_TYPE_NAME (job), job); - return; - } - - job->finished = TRUE; - - if (job->run_mode == EV_JOB_RUN_THREAD) { - job->idle_finished_id = - g_idle_add_full (G_PRIORITY_DEFAULT_IDLE, - (GSourceFunc)emit_finished, - g_object_ref (job), - (GDestroyNotify)g_object_unref); - } else { - ev_profiler_stop (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job); - g_signal_emit (job, job_signals[FINISHED], 0); - } -} - -gboolean -ev_job_run (EvJob *job) -{ - EvJobClass *class = EV_JOB_GET_CLASS (job); - - return class->run (job); -} - -void -ev_job_cancel (EvJob *job) -{ - if (job->cancelled || (job->finished && job->idle_finished_id == 0)) - return; - - ev_debug_message (DEBUG_JOBS, "job %s (%p) cancelled", EV_GET_TYPE_NAME (job), job); - ev_profiler_stop (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job); - - /* This should never be called from a thread */ - job->cancelled = TRUE; - g_cancellable_cancel (job->cancellable); - g_signal_emit (job, job_signals[CANCELLED], 0); -} - -void -ev_job_failed (EvJob *job, - GQuark domain, - gint code, - const gchar *format, - ...) -{ - va_list args; - gchar *message; - - if (job->failed || job->finished) - return; - - ev_debug_message (DEBUG_JOBS, "job %s (%p) failed", EV_GET_TYPE_NAME (job), job); - - job->failed = TRUE; - - va_start (args, format); - message = g_strdup_vprintf (format, args); - va_end (args); - - job->error = g_error_new_literal (domain, code, message); - g_free (message); - - ev_job_emit_finished (job); -} - -void -ev_job_failed_from_error (EvJob *job, - GError *error) -{ - if (job->failed || job->finished) - return; - - ev_debug_message (DEBUG_JOBS, "job %s (%p) failed", EV_GET_TYPE_NAME (job), job); - - job->failed = TRUE; - job->error = g_error_copy (error); - - ev_job_emit_finished (job); -} - -void -ev_job_succeeded (EvJob *job) -{ - if (job->finished) - return; - - ev_debug_message (DEBUG_JOBS, "job %s (%p) succeeded", EV_GET_TYPE_NAME (job), job); - - job->failed = FALSE; - ev_job_emit_finished (job); -} - -gboolean -ev_job_is_finished (EvJob *job) -{ - return job->finished; -} - -gboolean -ev_job_is_failed (EvJob *job) -{ - return job->failed; -} - -EvJobRunMode -ev_job_get_run_mode (EvJob *job) -{ - return job->run_mode; -} - -void -ev_job_set_run_mode (EvJob *job, - EvJobRunMode run_mode) -{ - job->run_mode = run_mode; -} - -/* EvJobLinks */ -static void -ev_job_links_init (EvJobLinks *job) -{ - EV_JOB (job)->run_mode = EV_JOB_RUN_THREAD; -} - -static void -ev_job_links_dispose (GObject *object) -{ - EvJobLinks *job; - - ev_debug_message (DEBUG_JOBS, NULL); - - job = EV_JOB_LINKS (object); - - if (job->model) { - g_object_unref (job->model); - job->model = NULL; - } - - (* G_OBJECT_CLASS (ev_job_links_parent_class)->dispose) (object); -} - -static gboolean -ev_job_links_run (EvJob *job) -{ - EvJobLinks *job_links = EV_JOB_LINKS (job); - - ev_debug_message (DEBUG_JOBS, NULL); - ev_profiler_start (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job); - - ev_document_doc_mutex_lock (); - job_links->model = ev_document_links_get_links_model (EV_DOCUMENT_LINKS (job->document)); - ev_document_doc_mutex_unlock (); - - ev_job_succeeded (job); - - return FALSE; -} - -static void -ev_job_links_class_init (EvJobLinksClass *class) -{ - GObjectClass *oclass = G_OBJECT_CLASS (class); - EvJobClass *job_class = EV_JOB_CLASS (class); - - oclass->dispose = ev_job_links_dispose; - job_class->run = ev_job_links_run; -} - -EvJob * -ev_job_links_new (EvDocument *document) -{ - EvJob *job; - - ev_debug_message (DEBUG_JOBS, NULL); - - job = g_object_new (EV_TYPE_JOB_LINKS, NULL); - job->document = g_object_ref (document); - - return job; -} - -/* EvJobAttachments */ -static void -ev_job_attachments_init (EvJobAttachments *job) -{ - EV_JOB (job)->run_mode = EV_JOB_RUN_THREAD; -} - -static void -ev_job_attachments_dispose (GObject *object) -{ - EvJobAttachments *job; - - ev_debug_message (DEBUG_JOBS, NULL); - - job = EV_JOB_ATTACHMENTS (object); - - if (job->attachments) { - g_list_foreach (job->attachments, (GFunc)g_object_unref, NULL); - g_list_free (job->attachments); - job->attachments = NULL; - } - - (* G_OBJECT_CLASS (ev_job_attachments_parent_class)->dispose) (object); -} - -static gboolean -ev_job_attachments_run (EvJob *job) -{ - EvJobAttachments *job_attachments = EV_JOB_ATTACHMENTS (job); - - ev_debug_message (DEBUG_JOBS, NULL); - ev_profiler_start (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job); - - ev_document_doc_mutex_lock (); - job_attachments->attachments = ev_document_get_attachments (job->document); - ev_document_doc_mutex_unlock (); - - ev_job_succeeded (job); - - return FALSE; -} - -static void -ev_job_attachments_class_init (EvJobAttachmentsClass *class) -{ - GObjectClass *oclass = G_OBJECT_CLASS (class); - EvJobClass *job_class = EV_JOB_CLASS (class); - - oclass->dispose = ev_job_attachments_dispose; - job_class->run = ev_job_attachments_run; -} - -EvJob * -ev_job_attachments_new (EvDocument *document) -{ - EvJob *job; - - ev_debug_message (DEBUG_JOBS, NULL); - - job = g_object_new (EV_TYPE_JOB_ATTACHMENTS, NULL); - job->document = g_object_ref (document); - - return job; -} - -/* EvJobRender */ -static void -ev_job_render_init (EvJobRender *job) -{ - EV_JOB (job)->run_mode = EV_JOB_RUN_THREAD; -} - -static void -ev_job_render_dispose (GObject *object) -{ - EvJobRender *job; - - job = EV_JOB_RENDER (object); - - if (job->ev_page) { - ev_debug_message (DEBUG_JOBS, "page: %d (%p)", job->ev_page->index, job); - g_object_unref (job->ev_page); - job->ev_page = NULL; - } - - if (job->surface) { - cairo_surface_destroy (job->surface); - job->surface = NULL; - } - - if (job->selection) { - cairo_surface_destroy (job->selection); - job->selection = NULL; - } - - if (job->selection_region) { - gdk_region_destroy (job->selection_region); - job->selection_region = NULL; - } - - (* G_OBJECT_CLASS (ev_job_render_parent_class)->dispose) (object); -} - -static gboolean -notify_page_ready (EvJobRender *job) -{ - ev_debug_message (DEBUG_JOBS, "%d (%p)", job->ev_page->index, job); - ev_profiler_stop (EV_PROFILE_JOBS, "Rendering page %d", job->ev_page->index); - - if (EV_JOB (job)->cancelled) { - ev_debug_message (DEBUG_JOBS, "%s (%p) job was cancelled, do not emit page_ready", EV_GET_TYPE_NAME (job), job); - } else { - g_signal_emit (job, job_render_signals[PAGE_READY], 0); - } - - return FALSE; -} - -static void -ev_job_render_page_ready (EvJobRender *job) -{ - ev_debug_message (DEBUG_JOBS, "%d (%p)", job->ev_page->index, job); - - job->page_ready = TRUE; - g_idle_add_full (G_PRIORITY_HIGH_IDLE, - (GSourceFunc)notify_page_ready, - g_object_ref (job), - (GDestroyNotify)g_object_unref); -} - -static gboolean -ev_job_render_run (EvJob *job) -{ - EvJobRender *job_render = EV_JOB_RENDER (job); - EvRenderContext *rc; - - ev_debug_message (DEBUG_JOBS, "page: %d (%p)", job_render->page, job); - ev_profiler_start (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job); - - ev_document_doc_mutex_lock (); - - ev_profiler_start (EV_PROFILE_JOBS, "Rendering page %d", job_render->page); - - ev_document_fc_mutex_lock (); - - job_render->ev_page = ev_document_get_page (job->document, job_render->page); - rc = ev_render_context_new (job_render->ev_page, job_render->rotation, job_render->scale); - - job_render->surface = ev_document_render (job->document, rc); - /* If job was cancelled during the page rendering, - * we return now, so that the thread is finished ASAP - */ - if (g_cancellable_is_cancelled (job->cancellable)) { - ev_document_fc_mutex_unlock (); - ev_document_doc_mutex_unlock (); - g_object_unref (rc); - - return FALSE; - } - - if ((job_render->flags & EV_RENDER_INCLUDE_SELECTION) && EV_IS_SELECTION (job->document)) { - ev_selection_render_selection (EV_SELECTION (job->document), - rc, - &(job_render->selection), - &(job_render->selection_points), - NULL, - job_render->selection_style, - &(job_render->text), &(job_render->base)); - job_render->selection_region = - ev_selection_get_selection_region (EV_SELECTION (job->document), - rc, - job_render->selection_style, - &(job_render->selection_points)); - } - - ev_job_render_page_ready (job_render); - - ev_document_fc_mutex_unlock (); - - if ((job_render->flags & EV_RENDER_INCLUDE_TEXT) && EV_IS_SELECTION (job->document)) - job_render->text_mapping = - ev_selection_get_selection_map (EV_SELECTION (job->document), rc); - if ((job_render->flags & EV_RENDER_INCLUDE_LINKS) && EV_IS_DOCUMENT_LINKS (job->document)) - job_render->link_mapping = - ev_document_links_get_links (EV_DOCUMENT_LINKS (job->document), job_render->page); - if ((job_render->flags & EV_RENDER_INCLUDE_FORMS) && EV_IS_DOCUMENT_FORMS (job->document)) - job_render->form_field_mapping = - ev_document_forms_get_form_fields (EV_DOCUMENT_FORMS (job->document), - job_render->ev_page); - if ((job_render->flags & EV_RENDER_INCLUDE_IMAGES) && EV_IS_DOCUMENT_IMAGES (job->document)) - job_render->image_mapping = - ev_document_images_get_image_mapping (EV_DOCUMENT_IMAGES (job->document), - job_render->page); - g_object_unref (rc); - ev_document_doc_mutex_unlock (); - - ev_job_succeeded (job); - - return FALSE; -} - -static void -ev_job_render_class_init (EvJobRenderClass *class) -{ - GObjectClass *oclass = G_OBJECT_CLASS (class); - EvJobClass *job_class = EV_JOB_CLASS (class); - - job_render_signals [PAGE_READY] = - g_signal_new ("page-ready", - EV_TYPE_JOB_RENDER, - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (EvJobRenderClass, page_ready), - NULL, NULL, - g_cclosure_marshal_VOID__VOID, - G_TYPE_NONE, 0); - - oclass->dispose = ev_job_render_dispose; - job_class->run = ev_job_render_run; -} - -EvJob * -ev_job_render_new (EvDocument *document, - gint page, - gint rotation, - gdouble scale, - gint width, - gint height, - EvRenderFlags flags) -{ - EvJobRender *job; - - ev_debug_message (DEBUG_JOBS, "page: %d", page); - - job = g_object_new (EV_TYPE_JOB_RENDER, NULL); - - EV_JOB (job)->document = g_object_ref (document); - job->page = page; - job->rotation = rotation; - job->scale = scale; - job->target_width = width; - job->target_height = height; - job->flags = flags; - - return EV_JOB (job); -} - -void -ev_job_render_set_selection_info (EvJobRender *job, - EvRectangle *selection_points, - EvSelectionStyle selection_style, - GdkColor *text, - GdkColor *base) -{ - job->flags |= EV_RENDER_INCLUDE_SELECTION; - - job->selection_points = *selection_points; - job->selection_style = selection_style; - job->text = *text; - job->base = *base; -} - -/* EvJobThumbnail */ -static void -ev_job_thumbnail_init (EvJobThumbnail *job) -{ - EV_JOB (job)->run_mode = EV_JOB_RUN_THREAD; -} - -static void -ev_job_thumbnail_dispose (GObject *object) -{ - EvJobThumbnail *job; - - job = EV_JOB_THUMBNAIL (object); - - ev_debug_message (DEBUG_JOBS, "%d (%p)", job->page, job); - - if (job->thumbnail) { - g_object_unref (job->thumbnail); - job->thumbnail = NULL; - } - - (* G_OBJECT_CLASS (ev_job_thumbnail_parent_class)->dispose) (object); -} - -static gboolean -ev_job_thumbnail_run (EvJob *job) -{ - EvJobThumbnail *job_thumb = EV_JOB_THUMBNAIL (job); - EvRenderContext *rc; - EvPage *page; - - ev_debug_message (DEBUG_JOBS, "%d (%p)", job_thumb->page, job); - ev_profiler_start (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job); - - ev_document_doc_mutex_lock (); - - page = ev_document_get_page (job->document, job_thumb->page); - rc = ev_render_context_new (page, job_thumb->rotation, job_thumb->scale); - g_object_unref (page); - - job_thumb->thumbnail = ev_document_thumbnails_get_thumbnail (EV_DOCUMENT_THUMBNAILS (job->document), - rc, TRUE); - g_object_unref (rc); - ev_document_doc_mutex_unlock (); - - ev_job_succeeded (job); - - return FALSE; -} - -static void -ev_job_thumbnail_class_init (EvJobThumbnailClass *class) -{ - GObjectClass *oclass = G_OBJECT_CLASS (class); - EvJobClass *job_class = EV_JOB_CLASS (class); - - oclass->dispose = ev_job_thumbnail_dispose; - job_class->run = ev_job_thumbnail_run; -} - -EvJob * -ev_job_thumbnail_new (EvDocument *document, - gint page, - gint rotation, - gdouble scale) -{ - EvJobThumbnail *job; - - ev_debug_message (DEBUG_JOBS, "%d", page); - - job = g_object_new (EV_TYPE_JOB_THUMBNAIL, NULL); - - EV_JOB (job)->document = g_object_ref (document); - job->page = page; - job->rotation = rotation; - job->scale = scale; - - return EV_JOB (job); -} - -/* EvJobFonts */ -static void -ev_job_fonts_init (EvJobFonts *job) -{ - EV_JOB (job)->run_mode = EV_JOB_RUN_MAIN_LOOP; -} - -static gboolean -ev_job_fonts_run (EvJob *job) -{ - EvJobFonts *job_fonts = EV_JOB_FONTS (job); - EvDocumentFonts *fonts = EV_DOCUMENT_FONTS (job->document); - - ev_debug_message (DEBUG_JOBS, NULL); - - /* Do not block the main loop */ - if (!ev_document_doc_mutex_trylock ()) - return TRUE; - - if (!ev_document_fc_mutex_trylock ()) - return TRUE; - -#ifdef EV_ENABLE_DEBUG - /* We use the #ifdef in this case because of the if */ - if (ev_document_fonts_get_progress (fonts) == 0) - ev_profiler_start (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job); -#endif - - job_fonts->scan_completed = !ev_document_fonts_scan (fonts, 20); - g_signal_emit (job_fonts, job_fonts_signals[FONTS_UPDATED], 0, - ev_document_fonts_get_progress (fonts)); - - ev_document_fc_mutex_unlock (); - ev_document_doc_mutex_unlock (); - - if (job_fonts->scan_completed) - ev_job_succeeded (job); - - return !job_fonts->scan_completed; -} - -static void -ev_job_fonts_class_init (EvJobFontsClass *class) -{ - EvJobClass *job_class = EV_JOB_CLASS (class); - - job_class->run = ev_job_fonts_run; - - job_fonts_signals[FONTS_UPDATED] = - g_signal_new ("updated", - EV_TYPE_JOB_FONTS, - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (EvJobFontsClass, updated), - NULL, NULL, - g_cclosure_marshal_VOID__DOUBLE, - G_TYPE_NONE, - 1, G_TYPE_DOUBLE); -} - -EvJob * -ev_job_fonts_new (EvDocument *document) -{ - EvJobFonts *job; - - ev_debug_message (DEBUG_JOBS, NULL); - - job = g_object_new (EV_TYPE_JOB_FONTS, NULL); - - EV_JOB (job)->document = g_object_ref (document); - - return EV_JOB (job); -} - -/* EvJobLoad */ -static void -ev_job_load_init (EvJobLoad *job) -{ - EV_JOB (job)->run_mode = EV_JOB_RUN_THREAD; -} - -static void -ev_job_load_dispose (GObject *object) -{ - EvJobLoad *job = EV_JOB_LOAD (object); - - ev_debug_message (DEBUG_JOBS, "%s", job->uri); - - if (job->uri) { - g_free (job->uri); - job->uri = NULL; - } - - if (job->password) { - g_free (job->password); - job->password = NULL; - } - - (* G_OBJECT_CLASS (ev_job_load_parent_class)->dispose) (object); -} - -static gboolean -ev_job_load_run (EvJob *job) -{ - EvJobLoad *job_load = EV_JOB_LOAD (job); - GError *error = NULL; - - ev_debug_message (DEBUG_JOBS, "%s", job_load->uri); - ev_profiler_start (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job); - - ev_document_fc_mutex_lock (); - - /* This job may already have a document even if the job didn't complete - because, e.g., a password is required - if so, just reload rather than - creating a new instance */ - if (job->document) { - if (job_load->password) { - ev_document_security_set_password (EV_DOCUMENT_SECURITY (job->document), - job_load->password); - } - - job->failed = FALSE; - job->finished = FALSE; - g_clear_error (&job->error); - - ev_document_load (job->document, - job_load->uri, - &error); - } else { - job->document = ev_document_factory_get_document (job_load->uri, - &error); - } - - ev_document_fc_mutex_unlock (); - - if (error) { - ev_job_failed_from_error (job, error); - g_error_free (error); - } else { - ev_job_succeeded (job); - } - - return FALSE; -} - -static void -ev_job_load_class_init (EvJobLoadClass *class) -{ - GObjectClass *oclass = G_OBJECT_CLASS (class); - EvJobClass *job_class = EV_JOB_CLASS (class); - - oclass->dispose = ev_job_load_dispose; - job_class->run = ev_job_load_run; -} - -EvJob * -ev_job_load_new (const gchar *uri) -{ - EvJobLoad *job; - - ev_debug_message (DEBUG_JOBS, "%s", uri); - - job = g_object_new (EV_TYPE_JOB_LOAD, NULL); - job->uri = g_strdup (uri); - - return EV_JOB (job); -} - -void -ev_job_load_set_uri (EvJobLoad *job, const gchar *uri) -{ - ev_debug_message (DEBUG_JOBS, "%s", uri); - - if (job->uri) - g_free (job->uri); - job->uri = g_strdup (uri); -} - -void -ev_job_load_set_password (EvJobLoad *job, const gchar *password) -{ - ev_debug_message (DEBUG_JOBS, NULL); - - if (job->password) - g_free (job->password); - job->password = password ? g_strdup (password) : NULL; -} - -/* EvJobSave */ -static void -ev_job_save_init (EvJobSave *job) -{ - EV_JOB (job)->run_mode = EV_JOB_RUN_THREAD; -} - -static void -ev_job_save_dispose (GObject *object) -{ - EvJobSave *job = EV_JOB_SAVE (object); - - ev_debug_message (DEBUG_JOBS, "%s", job->uri); - - if (job->uri) { - g_free (job->uri); - job->uri = NULL; - } - - if (job->document_uri) { - g_free (job->document_uri); - job->document_uri = NULL; - } - - (* G_OBJECT_CLASS (ev_job_save_parent_class)->dispose) (object); -} - -static gboolean -ev_job_save_run (EvJob *job) -{ - EvJobSave *job_save = EV_JOB_SAVE (job); - gint fd; - gchar *filename; - gchar *tmp_filename; - gchar *local_uri; - GError *error = NULL; - - ev_debug_message (DEBUG_JOBS, "uri: %s, document_uri: %s", job_save->uri, job_save->document_uri); - ev_profiler_start (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job); - - filename = ev_tmp_filename ("saveacopy"); - tmp_filename = g_strdup_printf ("%s.XXXXXX", filename); - g_free (filename); - - fd = g_mkstemp (tmp_filename); - if (fd == -1) { - gchar *display_name; - gint save_errno = errno; - - display_name = g_filename_display_name (tmp_filename); - ev_job_failed (job, - G_FILE_ERROR, - g_file_error_from_errno (save_errno), - _("Failed to create file “%s”: %s"), - display_name, g_strerror (save_errno)); - g_free (display_name); - g_free (tmp_filename); - - return FALSE; - } - - ev_document_doc_mutex_lock (); - - /* Save document to temp filename */ - local_uri = g_filename_to_uri (tmp_filename, NULL, NULL); - ev_document_save (job->document, local_uri, &error); - close (fd); - - ev_document_doc_mutex_unlock (); - - if (error) { - g_free (local_uri); - ev_job_failed_from_error (job, error); - g_error_free (error); - - return FALSE; - } - - /* If original document was compressed, - * compress it again before saving - */ - if (g_object_get_data (G_OBJECT (job->document), "uri-uncompressed")) { - EvCompressionType ctype = EV_COMPRESSION_NONE; - const gchar *ext; - gchar *uri_comp; - - ext = g_strrstr (job_save->document_uri, ".gz"); - if (ext && g_ascii_strcasecmp (ext, ".gz") == 0) - ctype = EV_COMPRESSION_GZIP; - - ext = g_strrstr (job_save->document_uri, ".bz2"); - if (ext && g_ascii_strcasecmp (ext, ".bz2") == 0) - ctype = EV_COMPRESSION_BZIP2; - - uri_comp = ev_file_compress (local_uri, ctype, &error); - g_free (local_uri); - ev_tmp_filename_unlink (tmp_filename); - - if (!uri_comp || error) { - local_uri = NULL; - } else { - local_uri = uri_comp; - } - } - - g_free (tmp_filename); - - if (error) { - g_free (local_uri); - ev_job_failed_from_error (job, error); - g_error_free (error); - - return FALSE; - } - - if (!local_uri) - return FALSE; - - ev_xfer_uri_simple (local_uri, job_save->uri, &error); - ev_tmp_uri_unlink (local_uri); - - if (error) { - ev_job_failed_from_error (job, error); - g_error_free (error); - } else { - ev_job_succeeded (job); - } - - return FALSE; -} - -static void -ev_job_save_class_init (EvJobSaveClass *class) -{ - GObjectClass *oclass = G_OBJECT_CLASS (class); - EvJobClass *job_class = EV_JOB_CLASS (class); - - oclass->dispose = ev_job_save_dispose; - job_class->run = ev_job_save_run; -} - -EvJob * -ev_job_save_new (EvDocument *document, - const gchar *uri, - const gchar *document_uri) -{ - EvJobSave *job; - - ev_debug_message (DEBUG_JOBS, "uri: %s, document_uri: %s", uri, document_uri); - - job = g_object_new (EV_TYPE_JOB_SAVE, NULL); - - EV_JOB (job)->document = g_object_ref (document); - job->uri = g_strdup (uri); - job->document_uri = g_strdup (document_uri); - - return EV_JOB (job); -} - -/* EvJobFind */ -static void -ev_job_find_init (EvJobFind *job) -{ - EV_JOB (job)->run_mode = EV_JOB_RUN_MAIN_LOOP; -} - -static void -ev_job_find_dispose (GObject *object) -{ - EvJobFind *job = EV_JOB_FIND (object); - - ev_debug_message (DEBUG_JOBS, NULL); - - if (job->text) { - g_free (job->text); - job->text = NULL; - } - - if (job->pages) { - gint i; - - for (i = 0; i < job->n_pages; i++) { - g_list_foreach (job->pages[i], (GFunc)g_free, NULL); - g_list_free (job->pages[i]); - } - - g_free (job->pages); - job->pages = NULL; - } - - (* G_OBJECT_CLASS (ev_job_find_parent_class)->dispose) (object); -} - -static gboolean -ev_job_find_run (EvJob *job) -{ - EvJobFind *job_find = EV_JOB_FIND (job); - EvDocumentFind *find = EV_DOCUMENT_FIND (job->document); - EvPage *ev_page; - GList *matches; - - ev_debug_message (DEBUG_JOBS, NULL); - - /* Do not block the main loop */ - if (!ev_document_doc_mutex_trylock ()) - return TRUE; - -#ifdef EV_ENABLE_DEBUG - /* We use the #ifdef in this case because of the if */ - if (job_find->current_page == job_find->start_page) - ev_profiler_start (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job); -#endif - - ev_page = ev_document_get_page (job->document, job_find->current_page); - matches = ev_document_find_find_text (find, ev_page, job_find->text, - job_find->case_sensitive); - g_object_unref (ev_page); - - ev_document_doc_mutex_unlock (); - - if (!job_find->has_results) - job_find->has_results = (matches != NULL); - - job_find->pages[job_find->current_page] = matches; - g_signal_emit (job_find, job_find_signals[FIND_UPDATED], 0, job_find->current_page); - - job_find->current_page = (job_find->current_page + 1) % job_find->n_pages; - if (job_find->current_page == job_find->start_page) { - ev_job_succeeded (job); - - return FALSE; - } - - return TRUE; -} - -static void -ev_job_find_class_init (EvJobFindClass *class) -{ - EvJobClass *job_class = EV_JOB_CLASS (class); - GObjectClass *gobject_class = G_OBJECT_CLASS (class); - - job_class->run = ev_job_find_run; - gobject_class->dispose = ev_job_find_dispose; - - job_find_signals[FIND_UPDATED] = - g_signal_new ("updated", - EV_TYPE_JOB_FIND, - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (EvJobFindClass, updated), - NULL, NULL, - g_cclosure_marshal_VOID__INT, - G_TYPE_NONE, - 1, G_TYPE_INT); -} - -EvJob * -ev_job_find_new (EvDocument *document, - gint start_page, - gint n_pages, - const gchar *text, - gboolean case_sensitive) -{ - EvJobFind *job; - - ev_debug_message (DEBUG_JOBS, NULL); - - job = g_object_new (EV_TYPE_JOB_FIND, NULL); - - EV_JOB (job)->document = g_object_ref (document); - job->start_page = start_page; - job->current_page = start_page; - job->n_pages = n_pages; - job->pages = g_new0 (GList *, n_pages); - job->text = g_strdup (text); - job->case_sensitive = case_sensitive; - job->has_results = FALSE; - - return EV_JOB (job); -} - -gint -ev_job_find_get_n_results (EvJobFind *job, - gint page) -{ - return g_list_length (job->pages[page]); -} - -gdouble -ev_job_find_get_progress (EvJobFind *job) -{ - gint pages_done; - - if (ev_job_is_finished (EV_JOB (job))) - return 1.0; - - if (job->current_page > job->start_page) { - pages_done = job->current_page - job->start_page + 1; - } else if (job->current_page == job->start_page) { - pages_done = job->n_pages; - } else { - pages_done = job->n_pages - job->start_page + job->current_page; - } - - return pages_done / (gdouble) job->n_pages; -} - -gboolean -ev_job_find_has_results (EvJobFind *job) -{ - return job->has_results; -} - -GList ** -ev_job_find_get_results (EvJobFind *job) -{ - return job->pages; -} - -/* EvJobLayers */ -static void -ev_job_layers_init (EvJobLayers *job) -{ - EV_JOB (job)->run_mode = EV_JOB_RUN_THREAD; -} - -static void -ev_job_layers_dispose (GObject *object) -{ - EvJobLayers *job; - - ev_debug_message (DEBUG_JOBS, NULL); - - job = EV_JOB_LAYERS (object); - - if (job->model) { - g_object_unref (job->model); - job->model = NULL; - } - - (* G_OBJECT_CLASS (ev_job_layers_parent_class)->dispose) (object); -} - -static gboolean -ev_job_layers_run (EvJob *job) -{ - EvJobLayers *job_layers = EV_JOB_LAYERS (job); - - ev_debug_message (DEBUG_JOBS, NULL); - ev_profiler_start (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job); - - ev_document_doc_mutex_lock (); - job_layers->model = ev_document_layers_get_layers (EV_DOCUMENT_LAYERS (job->document)); - ev_document_doc_mutex_unlock (); - - ev_job_succeeded (job); - - return FALSE; -} - -static void -ev_job_layers_class_init (EvJobLayersClass *class) -{ - GObjectClass *oclass = G_OBJECT_CLASS (class); - EvJobClass *job_class = EV_JOB_CLASS (class); - - oclass->dispose = ev_job_layers_dispose; - job_class->run = ev_job_layers_run; -} - -EvJob * -ev_job_layers_new (EvDocument *document) -{ - EvJob *job; - - ev_debug_message (DEBUG_JOBS, NULL); - - job = g_object_new (EV_TYPE_JOB_LAYERS, NULL); - job->document = g_object_ref (document); - - return job; -} - -/* EvJobExport */ -static void -ev_job_export_init (EvJobExport *job) -{ - EV_JOB (job)->run_mode = EV_JOB_RUN_THREAD; - job->page = -1; -} - -static void -ev_job_export_dispose (GObject *object) -{ - EvJobExport *job; - - ev_debug_message (DEBUG_JOBS, NULL); - - job = EV_JOB_EXPORT (object); - - if (job->rc) { - g_object_unref (job->rc); - job->rc = NULL; - } - - (* G_OBJECT_CLASS (ev_job_export_parent_class)->dispose) (object); -} - -static gboolean -ev_job_export_run (EvJob *job) -{ - EvJobExport *job_export = EV_JOB_EXPORT (job); - EvPage *ev_page; - - g_assert (job_export->page != -1); - - ev_debug_message (DEBUG_JOBS, NULL); - ev_profiler_start (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job); - - ev_document_doc_mutex_lock (); - - ev_page = ev_document_get_page (job->document, job_export->page); - if (job_export->rc) { - job->failed = FALSE; - job->finished = FALSE; - g_clear_error (&job->error); - - ev_render_context_set_page (job_export->rc, ev_page); - } else { - job_export->rc = ev_render_context_new (ev_page, 0, 1.0); - } - g_object_unref (ev_page); - - ev_file_exporter_do_page (EV_FILE_EXPORTER (job->document), job_export->rc); - - ev_document_doc_mutex_unlock (); - - ev_job_succeeded (job); - - return FALSE; -} - -static void -ev_job_export_class_init (EvJobExportClass *class) -{ - GObjectClass *oclass = G_OBJECT_CLASS (class); - EvJobClass *job_class = EV_JOB_CLASS (class); - - oclass->dispose = ev_job_export_dispose; - job_class->run = ev_job_export_run; -} - -EvJob * -ev_job_export_new (EvDocument *document) -{ - EvJob *job; - - ev_debug_message (DEBUG_JOBS, NULL); - - job = g_object_new (EV_TYPE_JOB_EXPORT, NULL); - job->document = g_object_ref (document); - - return job; -} - -void -ev_job_export_set_page (EvJobExport *job, - gint page) -{ - job->page = page; -} diff --git a/shell/ev-jobs.h b/shell/ev-jobs.h deleted file mode 100644 index 5915a28..0000000 --- a/shell/ev-jobs.h +++ /dev/null @@ -1,420 +0,0 @@ -/* this file is part of evince, a gnome document viewer - * - * Copyright (C) 2008 Carlos Garcia Campos - * Copyright (C) 2005 Red Hat, Inc - * - * Evince is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * Evince is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. - */ - -#ifndef __EV_JOBS_H__ -#define __EV_JOBS_H__ - -#include -#include - -#include "ev-document.h" -#include "ev-selection.h" -#include "ev-render-context.h" - -G_BEGIN_DECLS - -typedef struct _EvJob EvJob; -typedef struct _EvJobClass EvJobClass; - -typedef struct _EvJobRender EvJobRender; -typedef struct _EvJobRenderClass EvJobRenderClass; - -typedef struct _EvJobThumbnail EvJobThumbnail; -typedef struct _EvJobThumbnailClass EvJobThumbnailClass; - -typedef struct _EvJobLinks EvJobLinks; -typedef struct _EvJobLinksClass EvJobLinksClass; - -typedef struct _EvJobAttachments EvJobAttachments; -typedef struct _EvJobAttachmentsClass EvJobAttachmentsClass; - -typedef struct _EvJobFonts EvJobFonts; -typedef struct _EvJobFontsClass EvJobFontsClass; - -typedef struct _EvJobLoad EvJobLoad; -typedef struct _EvJobLoadClass EvJobLoadClass; - -typedef struct _EvJobSave EvJobSave; -typedef struct _EvJobSaveClass EvJobSaveClass; - -typedef struct _EvJobFind EvJobFind; -typedef struct _EvJobFindClass EvJobFindClass; - -typedef struct _EvJobLayers EvJobLayers; -typedef struct _EvJobLayersClass EvJobLayersClass; - -typedef struct _EvJobExport EvJobExport; -typedef struct _EvJobExportClass EvJobExportClass; - -#define EV_TYPE_JOB (ev_job_get_type()) -#define EV_JOB(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB, EvJob)) -#define EV_JOB_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB, EvJobClass)) -#define EV_IS_JOB(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB)) -#define EV_JOB_GET_CLASS(object) (G_TYPE_INSTANCE_GET_CLASS((object), EV_TYPE_JOB, EvJobClass)) - -#define EV_TYPE_JOB_LINKS (ev_job_links_get_type()) -#define EV_JOB_LINKS(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB_LINKS, EvJobLinks)) -#define EV_JOB_LINKS_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB_LINKS, EvJobLinksClass)) -#define EV_IS_JOB_LINKS(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB_LINKS)) - -#define EV_TYPE_JOB_ATTACHMENTS (ev_job_attachments_get_type()) -#define EV_JOB_ATTACHMENTS(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB_ATTACHMENTS, EvJobAttachments)) -#define EV_JOB_ATTACHMENTS_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB_ATTACHMENTS, EvJobAttachmentsClass)) -#define EV_IS_JOB_ATTACHMENTS(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB_ATTACHMENTS)) - -#define EV_TYPE_JOB_RENDER (ev_job_render_get_type()) -#define EV_JOB_RENDER(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB_RENDER, EvJobRender)) -#define EV_JOB_RENDER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB_RENDER, EvJobRenderClass)) -#define EV_IS_JOB_RENDER(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB_RENDER)) - -#define EV_TYPE_JOB_THUMBNAIL (ev_job_thumbnail_get_type()) -#define EV_JOB_THUMBNAIL(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB_THUMBNAIL, EvJobThumbnail)) -#define EV_JOB_THUMBNAIL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB_THUMBNAIL, EvJobThumbnailClass)) -#define EV_IS_JOB_THUMBNAIL(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB_THUMBNAIL)) - -#define EV_TYPE_JOB_FONTS (ev_job_fonts_get_type()) -#define EV_JOB_FONTS(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB_FONTS, EvJobFonts)) -#define EV_JOB_FONTS_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB_FONTS, EvJobFontsClass)) -#define EV_IS_JOB_FONTS(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB_FONTS)) - -#define EV_TYPE_JOB_LOAD (ev_job_load_get_type()) -#define EV_JOB_LOAD(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB_LOAD, EvJobLoad)) -#define EV_JOB_LOAD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB_LOAD, EvJobLoadClass)) -#define EV_IS_JOB_LOAD(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB_LOAD)) - -#define EV_TYPE_JOB_SAVE (ev_job_save_get_type()) -#define EV_JOB_SAVE(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB_SAVE, EvJobSave)) -#define EV_JOB_SAVE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB_SAVE, EvJobSaveClass)) -#define EV_IS_JOB_SAVE(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB_SAVE)) - -#define EV_TYPE_JOB_FIND (ev_job_find_get_type()) -#define EV_JOB_FIND(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB_FIND, EvJobFind)) -#define EV_JOB_FIND_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB_FIND, EvJobFindClass)) -#define EV_IS_JOB_FIND(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB_FIND)) - -#define EV_TYPE_JOB_LAYERS (ev_job_layers_get_type()) -#define EV_JOB_LAYERS(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB_LAYERS, EvJobLayers)) -#define EV_JOB_LAYERS_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB_LAYERS, EvJobLayersClass)) -#define EV_IS_JOB_LAYERS(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB_LAYERS)) - -#define EV_TYPE_JOB_EXPORT (ev_job_export_get_type()) -#define EV_JOB_EXPORT(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB_EXPORT, EvJobExport)) -#define EV_JOB_EXPORT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB_EXPORT, EvJobExportClass)) -#define EV_IS_JOB_EXPORT(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB_EXPORT)) - -typedef enum { - EV_JOB_RUN_THREAD, - EV_JOB_RUN_MAIN_LOOP -} EvJobRunMode; - -struct _EvJob -{ - GObject parent; - - EvDocument *document; - - EvJobRunMode run_mode; - - guint cancelled : 1; - guint finished : 1; - guint failed : 1; - - GError *error; - GCancellable *cancellable; - - guint idle_finished_id; - guint idle_cancelled_id; -}; - -struct _EvJobClass -{ - GObjectClass parent_class; - - gboolean (*run) (EvJob *job); - - /* Signals */ - void (* cancelled) (EvJob *job); - void (* finished) (EvJob *job); -}; - -struct _EvJobLinks -{ - EvJob parent; - - GtkTreeModel *model; -}; - -struct _EvJobLinksClass -{ - EvJobClass parent_class; -}; - -struct _EvJobAttachments -{ - EvJob parent; - - GList *attachments; -}; - -struct _EvJobAttachmentsClass -{ - EvJobClass parent_class; -}; - -typedef enum { - EV_RENDER_INCLUDE_NONE = 0, - EV_RENDER_INCLUDE_LINKS = 1 << 0, - EV_RENDER_INCLUDE_TEXT = 1 << 1, - EV_RENDER_INCLUDE_SELECTION = 1 << 2, - EV_RENDER_INCLUDE_IMAGES = 1 << 3, - EV_RENDER_INCLUDE_FORMS = 1 << 4, - EV_RENDER_INCLUDE_ALL = (1 << 5) - 1 -} EvRenderFlags; - -struct _EvJobRender -{ - EvJob parent; - - gint page; - gint rotation; - gdouble scale; - - EvPage *ev_page; - gboolean page_ready; - gint target_width; - gint target_height; - cairo_surface_t *surface; - - GList *link_mapping; - GdkRegion *text_mapping; - GList *image_mapping; - GList *form_field_mapping; - - cairo_surface_t *selection; - GdkRegion *selection_region; - EvRectangle selection_points; - EvSelectionStyle selection_style; - GdkColor base; - GdkColor text; - - EvRenderFlags flags; -}; - -struct _EvJobRenderClass -{ - EvJobClass parent_class; - - void (* page_ready) (EvJobRender *job); -}; - -struct _EvJobThumbnail -{ - EvJob parent; - - gint page; - gint rotation; - gdouble scale; - - GdkPixbuf *thumbnail; -}; - -struct _EvJobThumbnailClass -{ - EvJobClass parent_class; -}; - -struct _EvJobFonts -{ - EvJob parent; - gboolean scan_completed; -}; - -struct _EvJobFontsClass -{ - EvJobClass parent_class; - - /* Signals */ - void (* updated) (EvJobFonts *job, - gdouble progress); -}; - -struct _EvJobLoad -{ - EvJob parent; - - gchar *uri; - gchar *password; -}; - -struct _EvJobLoadClass -{ - EvJobClass parent_class; -}; - -struct _EvJobSave -{ - EvJob parent; - - gchar *uri; - gchar *document_uri; -}; - -struct _EvJobSaveClass -{ - EvJobClass parent_class; -}; - -struct _EvJobFind -{ - EvJob parent; - - gint start_page; - gint current_page; - gint n_pages; - GList **pages; - gchar *text; - gboolean case_sensitive; - gboolean has_results; -}; - -struct _EvJobFindClass -{ - EvJobClass parent_class; - - /* Signals */ - void (* updated) (EvJobFind *job, - gint page); -}; - -struct _EvJobLayers -{ - EvJob parent; - - GtkTreeModel *model; -}; - -struct _EvJobLayersClass -{ - EvJobClass parent_class; -}; - -struct _EvJobExport -{ - EvJob parent; - - gint page; - EvRenderContext *rc; -}; - -struct _EvJobExportClass -{ - EvJobClass parent_class; -}; - -/* Base job class */ -GType ev_job_get_type (void) G_GNUC_CONST; -gboolean ev_job_run (EvJob *job); -void ev_job_cancel (EvJob *job); -void ev_job_failed (EvJob *job, - GQuark domain, - gint code, - const gchar *format, - ...); -void ev_job_failed_from_error (EvJob *job, - GError *error); -void ev_job_succeeded (EvJob *job); -gboolean ev_job_is_cancelled (EvJob *job); -gboolean ev_job_is_finished (EvJob *job); -gboolean ev_job_is_failed (EvJob *job); -EvJobRunMode ev_job_get_run_mode (EvJob *job); -void ev_job_set_run_mode (EvJob *job, - EvJobRunMode run_mode); - -/* EvJobLinks */ -GType ev_job_links_get_type (void) G_GNUC_CONST; -EvJob *ev_job_links_new (EvDocument *document); - -/* EvJobAttachments */ -GType ev_job_attachments_get_type (void) G_GNUC_CONST; -EvJob *ev_job_attachments_new (EvDocument *document); - -/* EvJobRender */ -GType ev_job_render_get_type (void) G_GNUC_CONST; -EvJob *ev_job_render_new (EvDocument *document, - gint page, - gint rotation, - gdouble scale, - gint width, - gint height, - EvRenderFlags flags); -void ev_job_render_set_selection_info (EvJobRender *job, - EvRectangle *selection_points, - EvSelectionStyle selection_style, - GdkColor *text, - GdkColor *base); -/* EvJobThumbnail */ -GType ev_job_thumbnail_get_type (void) G_GNUC_CONST; -EvJob *ev_job_thumbnail_new (EvDocument *document, - gint page, - gint rotation, - gdouble scale); -/* EvJobFonts */ -GType ev_job_fonts_get_type (void) G_GNUC_CONST; -EvJob *ev_job_fonts_new (EvDocument *document); - -/* EvJobLoad */ -GType ev_job_load_get_type (void) G_GNUC_CONST; -EvJob *ev_job_load_new (const gchar *uri); -void ev_job_load_set_uri (EvJobLoad *load, - const gchar *uri); -void ev_job_load_set_password (EvJobLoad *job, - const gchar *password); - -/* EvJobSave */ -GType ev_job_save_get_type (void) G_GNUC_CONST; -EvJob *ev_job_save_new (EvDocument *document, - const gchar *uri, - const gchar *document_uri); -/* EvJobFind */ -GType ev_job_find_get_type (void) G_GNUC_CONST; -EvJob *ev_job_find_new (EvDocument *document, - gint start_page, - gint n_pages, - const gchar *text, - gboolean case_sensitive); -gint ev_job_find_get_n_results (EvJobFind *job, - gint pages); -gdouble ev_job_find_get_progress (EvJobFind *job); -gboolean ev_job_find_has_results (EvJobFind *job); -GList **ev_job_find_get_results (EvJobFind *job); - -/* EvJobLayers */ -GType ev_job_layers_get_type (void) G_GNUC_CONST; -EvJob *ev_job_layers_new (EvDocument *document); - -/* EvJobExport */ -GType ev_job_export_get_type (void) G_GNUC_CONST; -EvJob *ev_job_export_new (EvDocument *document); -void ev_job_export_set_page (EvJobExport *job, - gint page); - -G_END_DECLS - -#endif /* __EV_JOBS_H__ */ diff --git a/shell/ev-marshal.list b/shell/ev-marshal.list index d3b99fd..72f9937 100644 --- a/shell/ev-marshal.list +++ b/shell/ev-marshal.list @@ -1,4 +1 @@ -VOID:NONE -VOID:OBJECT,OBJECT -VOID:ENUM,BOOLEAN VOID:STRING,STRING diff --git a/shell/ev-page-cache.c b/shell/ev-page-cache.c deleted file mode 100644 index a8639ef..0000000 --- a/shell/ev-page-cache.c +++ /dev/null @@ -1,714 +0,0 @@ -#include -#include "ev-page-cache.h" -#include "ev-document-thumbnails.h" -#include "ev-page.h" -#include -#include - -#define THUMBNAIL_WIDTH 100 - -typedef struct _EvPageCacheInfo -{ - double width; - double height; -} EvPageCacheInfo; - -typedef struct _EvPageThumbsInfo -{ - gint width; - gint height; -} EvPageThumbsInfo; - -struct _EvPageCache -{ - GObject parent; - - gint current_page; - int n_pages; - char *title; - char **page_labels; - - gint max_label_chars; - gboolean has_labels; - gboolean uniform; - gboolean dual_even_left; - - double uniform_width; - double uniform_height; - - double max_width; - double max_height; - - double* height_to_page; - double* dual_height_to_page; - - int rotation; - - EvPageCacheInfo *size_cache; - EvDocumentInfo *page_info; - - /* Thumbnail dimensions */ - gboolean thumbs_uniform; - gint thumbs_uniform_width; - gint thumbs_uniform_height; - gint thumbs_max_width; - gint thumbs_max_height; - EvPageThumbsInfo *thumbs_size_cache; -}; - -struct _EvPageCacheClass -{ - GObjectClass parent_class; - - void (* page_changed) (EvPageCache *page_cache, gint page); - void (* history_changed) (EvPageCache *page_cache, gint page); -}; - -enum -{ - PAGE_CHANGED, - HISTORY_CHANGED, - N_SIGNALS, -}; - -static guint signals[N_SIGNALS] = {0, }; - -static void ev_page_cache_init (EvPageCache *page_cache); -static void ev_page_cache_class_init (EvPageCacheClass *page_cache); -static void ev_page_cache_finalize (GObject *object); - -G_DEFINE_TYPE (EvPageCache, ev_page_cache, G_TYPE_OBJECT) - -static void -ev_page_cache_init (EvPageCache *page_cache) -{ - page_cache->current_page = -1; - page_cache->max_label_chars = 0; -} - -static void -ev_page_cache_class_init (EvPageCacheClass *class) -{ - GObjectClass *object_class; - - object_class = G_OBJECT_CLASS (class); - - object_class->finalize = ev_page_cache_finalize; - - signals [PAGE_CHANGED] = - g_signal_new ("page-changed", - EV_TYPE_PAGE_CACHE, - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (EvPageCacheClass, page_changed), - NULL, NULL, - g_cclosure_marshal_VOID__INT, - G_TYPE_NONE, 1, - G_TYPE_INT); - - signals [HISTORY_CHANGED] = - g_signal_new ("history-changed", - EV_TYPE_PAGE_CACHE, - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (EvPageCacheClass, history_changed), - NULL, NULL, - g_cclosure_marshal_VOID__INT, - G_TYPE_NONE, 1, - G_TYPE_INT); - -} - -static void -ev_page_cache_finalize (GObject *object) -{ - EvPageCache *page_cache; - - page_cache = EV_PAGE_CACHE (object); - - if (page_cache->title) { - g_free (page_cache->title); - page_cache->title = NULL; - } - - if (page_cache->size_cache) { - g_free (page_cache->size_cache); - page_cache->size_cache = NULL; - } - - if (page_cache->thumbs_size_cache) { - g_free (page_cache->thumbs_size_cache); - page_cache->thumbs_size_cache = NULL; - } - - if (page_cache->height_to_page) { - g_free (page_cache->height_to_page); - page_cache->height_to_page = NULL; - } - - if (page_cache->dual_height_to_page) { - g_free (page_cache->dual_height_to_page); - page_cache->dual_height_to_page = NULL; - } - - if (page_cache->page_labels) { - gint i; - - for (i = 0; i < page_cache->n_pages; i++) { - if (page_cache->page_labels[i]) - g_free (page_cache->page_labels[i]); - } - g_free (page_cache->page_labels); - page_cache->page_labels = NULL; - } - - if (page_cache->page_info) { - ev_document_info_free (page_cache->page_info); - page_cache->page_info = NULL; - } - - G_OBJECT_CLASS (ev_page_cache_parent_class)->finalize (object); -} - -static void -build_height_to_page (EvPageCache *page_cache) -{ - gboolean swap; - int i; - double uniform_height, page_height, next_page_height; - double saved_height; - - swap = (page_cache->rotation == 90 || - page_cache->rotation == 270); - - g_free (page_cache->height_to_page); - g_free (page_cache->dual_height_to_page); - - page_cache->height_to_page = g_new0(double, page_cache->n_pages + 1); - page_cache->dual_height_to_page = g_new0(double, page_cache->n_pages + 2); - - saved_height = 0; - for (i = 0; i <= page_cache->n_pages; i++) { - if (page_cache->uniform) { - if (!swap) { - uniform_height = page_cache->uniform_height; - } else { - uniform_height = page_cache->uniform_width; - } - page_cache->height_to_page [i] = i * uniform_height; - } else { - if (i < page_cache->n_pages) { - if (!swap) { - page_height = page_cache->size_cache [i].height; - } else { - page_height = page_cache->size_cache [i].width; - } - } else { - page_height = 0; - } - page_cache->height_to_page [i] = saved_height; - saved_height += page_height; - } - } - - if (page_cache->dual_even_left && !page_cache->uniform) { - if (!swap) { - saved_height = page_cache->size_cache [0].height; - } else { - saved_height = page_cache->size_cache [0].width; - } - } else { - saved_height = 0; - } - for (i = page_cache->dual_even_left; i < page_cache->n_pages + 2; i += 2) { - if (page_cache->uniform) { - if (!swap) { - uniform_height = page_cache->uniform_height; - } else { - uniform_height = page_cache->uniform_width; - } - page_cache->dual_height_to_page [i] = ((i + page_cache->dual_even_left) / 2) * uniform_height; - if (i + 1 < page_cache->n_pages + 2) - page_cache->dual_height_to_page [i + 1] = ((i + page_cache->dual_even_left) / 2) * uniform_height; - } else { - if (i + 1 < page_cache->n_pages) { - if (!swap) { - next_page_height = page_cache->size_cache [i + 1].height; - } else { - next_page_height = page_cache->size_cache [i + 1].width; - } - } else { - next_page_height = 0; - } - if (i < page_cache->n_pages) { - if (!swap) { - page_height = page_cache->size_cache [i].height; - } else { - page_height = page_cache->size_cache [i].width; - } - } else { - page_height = 0; - } - if (i + 1 < page_cache->n_pages + 2) { - page_cache->dual_height_to_page [i] = saved_height; - page_cache->dual_height_to_page [i + 1] = saved_height; - saved_height += MAX(page_height, next_page_height); - } else { - page_cache->dual_height_to_page [i] = saved_height; - } - } - } -} - -EvPageCache * -ev_page_cache_new (EvDocument *document) -{ - EvPageCache *page_cache; - EvPageCacheInfo *info; - EvPageThumbsInfo *thumb_info; - EvRenderContext *rc = NULL; - gboolean has_thumbs; - gint i; - - page_cache = (EvPageCache *) g_object_new (EV_TYPE_PAGE_CACHE, NULL); - - ev_document_doc_mutex_lock (); - - /* We read page information out of the document */ - - /* Assume all pages are the same size until proven otherwise */ - page_cache->uniform = TRUE; - page_cache->has_labels = FALSE; - page_cache->n_pages = ev_document_get_n_pages (document); - page_cache->dual_even_left = (page_cache->n_pages > 2); - page_cache->page_labels = g_new0 (char *, page_cache->n_pages); - page_cache->max_width = 0; - page_cache->max_height = 0; - page_cache->page_info = ev_document_get_info (document); - page_cache->thumbs_uniform = TRUE; - - if (page_cache->page_info->fields_mask & EV_DOCUMENT_INFO_TITLE) { - page_cache->title = g_strdup (page_cache->page_info->title); - } else { - page_cache->title = NULL; - } - - has_thumbs = EV_IS_DOCUMENT_THUMBNAILS (document); - - for (i = 0; i < page_cache->n_pages; i++) { - EvPage *page; - double page_width = 0; - double page_height = 0; - gint thumb_width = 0; - gint thumb_height = 0; - - page = ev_document_get_page (document, i); - - ev_document_get_page_size (document, page, &page_width, &page_height); - - page_cache->page_labels[i] = ev_document_get_page_label (document, page); - - if (page_cache->page_labels[i] != NULL) { - - page_cache->max_label_chars = MAX (page_cache->max_label_chars, - g_utf8_strlen (page_cache->page_labels[i], 256)); - if (!page_cache->has_labels) { - gchar *expected_label; - - expected_label = g_strdup_printf ("%d", i + 1); - if (strcmp (expected_label, page_cache->page_labels[i])) - page_cache->has_labels = TRUE; - g_free (expected_label); - } - } - - if (page_width > page_cache->max_width) { - page_cache->max_width = page_width; - } - - if (page_height > page_cache->max_height) { - page_cache->max_height = page_height; - } - - if (i == 0) { - page_cache->uniform_width = page_width; - page_cache->uniform_height = page_height; - } else if (page_cache->uniform && - (page_cache->uniform_width != page_width || - page_cache->uniform_height != page_height)) { - /* It's a different page size. Backfill the array. */ - int j; - - page_cache->size_cache = g_new0 (EvPageCacheInfo, page_cache->n_pages); - - for (j = 0; j < i; j++) { - info = &(page_cache->size_cache [j]); - info->width = page_cache->uniform_width; - info->height = page_cache->uniform_height; - } - page_cache->uniform = FALSE; - - } - - if (! page_cache->uniform) { - info = &(page_cache->size_cache [i]); - - info->width = page_width; - info->height = page_height; - } - - if (!has_thumbs) { - g_object_unref (page); - continue; - } - - if (!rc) { - rc = ev_render_context_new (page, 0, (gdouble)THUMBNAIL_WIDTH / page_width); - } else { - ev_render_context_set_page (rc, page); - ev_render_context_set_scale (rc, (gdouble)THUMBNAIL_WIDTH / page_width); - } - - ev_document_thumbnails_get_dimensions (EV_DOCUMENT_THUMBNAILS (document), - rc, &thumb_width, &thumb_height); - - if (thumb_width > page_cache->thumbs_max_width) { - page_cache->thumbs_max_width = thumb_width; - } - - if (thumb_height > page_cache->thumbs_max_height) { - page_cache->thumbs_max_height = thumb_height; - } - - if (i == 0) { - page_cache->thumbs_uniform_width = thumb_width; - page_cache->thumbs_uniform_height = thumb_height; - } else if (page_cache->thumbs_uniform && - (page_cache->thumbs_uniform_width != thumb_width || - page_cache->thumbs_uniform_height != thumb_height)) { - /* It's a different thumbnail size. Backfill the array. */ - int j; - - page_cache->thumbs_size_cache = g_new0 (EvPageThumbsInfo, page_cache->n_pages); - - for (j = 0; j < i; j++) { - thumb_info = &(page_cache->thumbs_size_cache [j]); - thumb_info->width = page_cache->thumbs_uniform_width; - thumb_info->height = page_cache->thumbs_uniform_height; - } - page_cache->thumbs_uniform = FALSE; - } - - if (! page_cache->thumbs_uniform) { - thumb_info = &(page_cache->thumbs_size_cache [i]); - - thumb_info->width = thumb_width; - thumb_info->height = thumb_height; - } - - g_object_unref (page); - } - - if (rc) { - g_object_unref (rc); - } - - build_height_to_page (page_cache); - - /* make some sanity check assertions */ - if (! page_cache->uniform) - g_assert (page_cache->size_cache != NULL); - if (page_cache->uniform && page_cache->n_pages > 0) - g_assert (page_cache->uniform_width > 0 && page_cache->uniform_height > 0); - - ev_document_doc_mutex_unlock (); - - if (page_cache->n_pages > 0) - ev_page_cache_set_current_page (page_cache, 0); - - return page_cache; -} - -gint -ev_page_cache_get_n_pages (EvPageCache *page_cache) -{ - g_return_val_if_fail (EV_IS_PAGE_CACHE (page_cache), 0); - - return page_cache->n_pages; -} - -gint -ev_page_cache_get_current_page (EvPageCache *page_cache) -{ - g_return_val_if_fail (EV_IS_PAGE_CACHE (page_cache), 0); - - return page_cache->current_page; -} - -void -ev_page_cache_set_current_page (EvPageCache *page_cache, - int page) -{ - g_return_if_fail (EV_IS_PAGE_CACHE (page_cache)); - g_return_if_fail (page >= 0 || page < page_cache->n_pages); - - if (page == page_cache->current_page) - return; - - page_cache->current_page = page; - g_signal_emit (page_cache, signals[PAGE_CHANGED], 0, page); -} - -void -ev_page_cache_set_current_page_history (EvPageCache *page_cache, - int page) -{ - if (abs (page - page_cache->current_page) > 1) - g_signal_emit (page_cache, signals [HISTORY_CHANGED], 0, page); - - ev_page_cache_set_current_page (page_cache, page); -} - -gboolean -ev_page_cache_set_page_label (EvPageCache *page_cache, - const char *page_label) -{ - gint i, page; - long value; - char *endptr = NULL; - - g_return_val_if_fail (EV_IS_PAGE_CACHE (page_cache), FALSE); - g_return_val_if_fail (page_label != NULL, FALSE); - - /* First, look for a literal label match */ - for (i = 0; i < page_cache->n_pages; i ++) { - if (page_cache->page_labels[i] != NULL && - ! strcmp (page_label, page_cache->page_labels[i])) { - ev_page_cache_set_current_page (page_cache, i); - return TRUE; - } - } - - /* Second, look for a match with case insensitively */ - for (i = 0; i < page_cache->n_pages; i++) { - if (page_cache->page_labels[i] != NULL && - ! strcasecmp (page_label, page_cache->page_labels[i])) { - ev_page_cache_set_current_page (page_cache, i); - return TRUE; - } - } - - /* Next, parse the label, and see if the number fits */ - value = strtol (page_label, &endptr, 10); - if (endptr[0] == '\0') { - /* Page number is an integer */ - page = MIN (G_MAXINT, value); - - /* convert from a page label to a page offset */ - page --; - if (page >= 0 && - page < page_cache->n_pages) { - ev_page_cache_set_current_page (page_cache, page); - return TRUE; - } - } - - return FALSE; -} - -const char * -ev_page_cache_get_title (EvPageCache *page_cache) -{ - g_return_val_if_fail (EV_IS_PAGE_CACHE (page_cache), NULL); - - return page_cache->title; -} - -void -ev_page_cache_get_size (EvPageCache *page_cache, - gint page, - gint rotation, - gfloat scale, - gint *width, - gint *height) -{ - double w, h; - - g_return_if_fail (EV_IS_PAGE_CACHE (page_cache)); - g_return_if_fail (page >= 0 && page < page_cache->n_pages); - - if (page_cache->uniform) { - w = page_cache->uniform_width; - h = page_cache->uniform_height; - } else { - EvPageCacheInfo *info; - - info = &(page_cache->size_cache [page]); - - w = info->width; - h = info->height; - } - - w = w * scale + 0.5; - h = h * scale + 0.5; - - if (rotation == 0 || rotation == 180) { - if (width) *width = (int)w; - if (height) *height = (int)h; - } else { - if (width) *width = (int)h; - if (height) *height = (int)w; - } -} - -void -ev_page_cache_get_max_width (EvPageCache *page_cache, - gint rotation, - gfloat scale, - gint *width) -{ - g_return_if_fail (EV_IS_PAGE_CACHE (page_cache)); - - if (width) { - if (rotation == 0 || rotation == 180) { - *width = page_cache->max_width * scale; - } else { - *width = page_cache->max_height * scale; - } - } -} - -void -ev_page_cache_get_max_height (EvPageCache *page_cache, - gint rotation, - gfloat scale, - gint *height) -{ - g_return_if_fail (EV_IS_PAGE_CACHE (page_cache)); - - if (height) { - if (rotation == 0 || rotation == 180) { - *height = page_cache->max_height * scale; - } else { - *height = page_cache->max_width * scale; - } - } -} - -void -ev_page_cache_get_height_to_page (EvPageCache *page_cache, - gint page, - gint rotation, - gfloat scale, - gint *height, - gint *dual_height) -{ - g_return_if_fail (EV_IS_PAGE_CACHE (page_cache)); - g_return_if_fail (page >= 0); - g_return_if_fail (!height || page <= page_cache->n_pages); - g_return_if_fail (!dual_height || page <= page_cache->n_pages + 1); - - if (page_cache->rotation != rotation) { - page_cache->rotation = rotation; - build_height_to_page (page_cache); - } - - if (height) - *height = page_cache->height_to_page [page] * scale; - - if (dual_height) - *dual_height = page_cache->dual_height_to_page [page] * scale; -} - -void -ev_page_cache_get_thumbnail_size (EvPageCache *page_cache, - gint page, - gint rotation, - gint *width, - gint *height) -{ - gint w, h; - - g_return_if_fail (EV_IS_PAGE_CACHE (page_cache)); - g_return_if_fail (page >= 0 && page < page_cache->n_pages); - - if (page_cache->thumbs_uniform) { - w = page_cache->thumbs_uniform_width; - h = page_cache->thumbs_uniform_height; - } else { - EvPageThumbsInfo *info; - - info = &(page_cache->thumbs_size_cache [page]); - - w = info->width; - h = info->height; - } - - if (rotation == 0 || rotation == 180) { - if (width) *width = w; - if (height) *height = h; - } else { - if (width) *width = h; - if (height) *height = w; - } -} - -gint -ev_page_cache_get_max_label_chars (EvPageCache *page_cache) -{ - g_return_val_if_fail (EV_IS_PAGE_CACHE (page_cache), 0); - - return page_cache->max_label_chars; -} - -gboolean -ev_page_cache_get_dual_even_left (EvPageCache *page_cache) -{ - g_return_val_if_fail (EV_IS_PAGE_CACHE (page_cache), 0); - - return page_cache->dual_even_left; -} - -gchar * -ev_page_cache_get_page_label (EvPageCache *page_cache, - gint page) -{ - g_return_val_if_fail (EV_IS_PAGE_CACHE (page_cache), NULL); - g_return_val_if_fail (page >= 0 && page < page_cache->n_pages, NULL); - - if (page_cache->page_labels[page] == NULL) - return g_strdup_printf ("%d", page + 1); - - return g_strdup (page_cache->page_labels[page]); -} - -gboolean -ev_page_cache_has_nonnumeric_page_labels (EvPageCache *page_cache) -{ - g_return_val_if_fail (EV_IS_PAGE_CACHE (page_cache), FALSE); - return page_cache->has_labels; -} - -const EvDocumentInfo * -ev_page_cache_get_info (EvPageCache *page_cache) -{ - g_return_val_if_fail (EV_IS_PAGE_CACHE (page_cache), NULL); - - return page_cache->page_info; -} - -#define PAGE_CACHE_STRING "ev-page-cache" - -EvPageCache * -ev_page_cache_get (EvDocument *document) -{ - EvPageCache *page_cache; - - g_return_val_if_fail (EV_IS_DOCUMENT (document), NULL); - - page_cache = g_object_get_data (G_OBJECT (document), PAGE_CACHE_STRING); - if (page_cache == NULL) { - page_cache = ev_page_cache_new (document); - g_object_set_data_full (G_OBJECT (document), PAGE_CACHE_STRING, page_cache, g_object_unref); - } - - return page_cache; -} diff --git a/shell/ev-page-cache.h b/shell/ev-page-cache.h deleted file mode 100644 index 43f4553..0000000 --- a/shell/ev-page-cache.h +++ /dev/null @@ -1,85 +0,0 @@ -/* this file is part of evince, a gnome document viewer - * - * Copyright (C) 2005 Red Hat, Inc - * - * Evince is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * Evince is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. - */ - -#ifndef __EV_PAGE_CACHE_H__ -#define __EV_PAGE_CACHE_H__ - -#include - -#include "ev-document.h" - -G_BEGIN_DECLS -#define EV_TYPE_PAGE_CACHE (ev_page_cache_get_type ()) -#define EV_PAGE_CACHE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), EV_TYPE_PAGE_CACHE, EvPageCache)) -#define EV_IS_PAGE_CACHE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EV_TYPE_PAGE_CACHE)) - -GType ev_page_cache_get_type (void) G_GNUC_CONST; - -/* Used by ev-document.c only */ -EvPageCache *ev_page_cache_new (EvDocument *document); -gint ev_page_cache_get_n_pages (EvPageCache *page_cache); -const char *ev_page_cache_get_title (EvPageCache *page_cache); -void ev_page_cache_get_size (EvPageCache *page_cache, - gint page, - gint rotation, - gfloat scale, - gint *width, - gint *height); -void ev_page_cache_get_max_width (EvPageCache *page_cache, - gint rotation, - gfloat scale, - gint *width); -void ev_page_cache_get_max_height (EvPageCache *page_cache, - gint rotation, - gfloat scale, - gint *height); -void ev_page_cache_get_height_to_page (EvPageCache *page_cache, - gint page, - gint rotation, - gfloat scale, - gint *height, - gint *dual_height); -void ev_page_cache_get_thumbnail_size (EvPageCache *page_cache, - gint page, - gint rotation, - gint *width, - gint *height); -gint ev_page_cache_get_max_label_chars (EvPageCache *page_cache); -char *ev_page_cache_get_page_label (EvPageCache *page_cache, - gint page); -gboolean ev_page_cache_has_nonnumeric_page_labels (EvPageCache *page_cache); -const EvDocumentInfo *ev_page_cache_get_info (EvPageCache *page_cache); - -gboolean ev_page_cache_get_dual_even_left (EvPageCache *page_cache); - -/* Navigation */ -gint ev_page_cache_get_current_page (EvPageCache *page_cache); -void ev_page_cache_set_current_page (EvPageCache *page_cache, - int page); -void ev_page_cache_set_current_page_history (EvPageCache *page_cache, - int page); -gboolean ev_page_cache_set_page_label (EvPageCache *page_cache, - const char *page_label); - -EvPageCache *ev_page_cache_get (EvDocument *document); - - -G_END_DECLS - -#endif /* __EV_PAGE_CACHE_H__ */ diff --git a/shell/ev-pixbuf-cache.c b/shell/ev-pixbuf-cache.c deleted file mode 100644 index 46976af..0000000 --- a/shell/ev-pixbuf-cache.c +++ /dev/null @@ -1,1252 +0,0 @@ -#include -#include "ev-pixbuf-cache.h" -#include "ev-job-scheduler.h" -#include "ev-page-cache.h" -#include "ev-document-images.h" -#include "ev-document-forms.h" -#include "ev-image.h" -#include "ev-form-field.h" - -typedef struct _CacheJobInfo -{ - EvJob *job; - EvRenderContext *rc; - gboolean page_ready; - - /* Region of the page that needs to be drawn */ - GdkRegion *region; - - /* Data we get from rendering */ - cairo_surface_t *surface; - GList *link_mapping; - GList *image_mapping; - GList *form_field_mapping; - GdkRegion *text_mapping; - - /* Selection data. - * Selection_points are the coordinates encapsulated in selection. - * target_points is the target selection size. */ - EvRectangle selection_points; - EvRectangle target_points; - EvSelectionStyle selection_style; - gboolean points_set; - - cairo_surface_t *selection; - GdkRegion *selection_region; -} CacheJobInfo; - -struct _EvPixbufCache -{ - GObject parent; - - /* We keep a link to our containing view just for style information. */ - GtkWidget *view; - EvDocument *document; - int start_page; - int end_page; - - /* preload_cache_size is the number of pages prior to the current - * visible area that we cache. It's normally 1, but could be 2 in the - * case of twin pages. - */ - int preload_cache_size; - CacheJobInfo *prev_job; - CacheJobInfo *job_list; - CacheJobInfo *next_job; -}; - -struct _EvPixbufCacheClass -{ - GObjectClass parent_class; - - void (* job_finished) (EvPixbufCache *pixbuf_cache); -}; - - -enum -{ - JOB_FINISHED, - N_SIGNALS, -}; - -static guint signals[N_SIGNALS] = {0, }; - -static void ev_pixbuf_cache_init (EvPixbufCache *pixbuf_cache); -static void ev_pixbuf_cache_class_init (EvPixbufCacheClass *pixbuf_cache); -static void ev_pixbuf_cache_finalize (GObject *object); -static void ev_pixbuf_cache_dispose (GObject *object); -static void job_page_ready_cb (EvJob *job, - EvPixbufCache *pixbuf_cache); -static void job_finished_cb (EvJob *job, - EvPixbufCache *pixbuf_cache); -static CacheJobInfo *find_job_cache (EvPixbufCache *pixbuf_cache, - int page); -static void copy_job_to_job_info (EvJobRender *job_render, - CacheJobInfo *job_info, - EvPixbufCache *pixbuf_cache); -static void copy_job_page_and_selection_to_job_info (EvJobRender *job_render, - CacheJobInfo *job_info, - EvPixbufCache *pixbuf_cache); -static gboolean new_selection_surface_needed(EvPixbufCache *pixbuf_cache, - CacheJobInfo *job_info, - gint page, - gfloat scale); - - -/* These are used for iterating through the prev and next arrays */ -#define FIRST_VISIBLE_PREV(pixbuf_cache) \ - (MAX (0, pixbuf_cache->preload_cache_size - pixbuf_cache->start_page)) -#define VISIBLE_NEXT_LEN(pixbuf_cache, page_cache) \ - (MIN(pixbuf_cache->preload_cache_size, ev_page_cache_get_n_pages (page_cache) - (1 + pixbuf_cache->end_page))) -#define PAGE_CACHE_LEN(pixbuf_cache) \ - ((pixbuf_cache->end_page - pixbuf_cache->start_page) + 1) - -G_DEFINE_TYPE (EvPixbufCache, ev_pixbuf_cache, G_TYPE_OBJECT) - -static void -ev_pixbuf_cache_init (EvPixbufCache *pixbuf_cache) -{ - pixbuf_cache->start_page = 0; - pixbuf_cache->end_page = 0; - pixbuf_cache->job_list = g_new0 (CacheJobInfo, PAGE_CACHE_LEN (pixbuf_cache)); - - pixbuf_cache->preload_cache_size = 2; - pixbuf_cache->prev_job = g_new0 (CacheJobInfo, pixbuf_cache->preload_cache_size); - pixbuf_cache->next_job = g_new0 (CacheJobInfo, pixbuf_cache->preload_cache_size); -} - -static void -ev_pixbuf_cache_class_init (EvPixbufCacheClass *class) -{ - GObjectClass *object_class; - - object_class = G_OBJECT_CLASS (class); - - object_class->finalize = ev_pixbuf_cache_finalize; - object_class->dispose = ev_pixbuf_cache_dispose; - - signals[JOB_FINISHED] = - g_signal_new ("job-finished", - G_OBJECT_CLASS_TYPE (object_class), - G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, - G_STRUCT_OFFSET (EvPixbufCacheClass, job_finished), - NULL, NULL, - g_cclosure_marshal_VOID__POINTER, - G_TYPE_NONE, 1, - G_TYPE_POINTER); -} - -static void -ev_pixbuf_cache_finalize (GObject *object) -{ - EvPixbufCache *pixbuf_cache; - - pixbuf_cache = EV_PIXBUF_CACHE (object); - - g_free (pixbuf_cache->prev_job); - g_free (pixbuf_cache->job_list); - g_free (pixbuf_cache->next_job); - - G_OBJECT_CLASS (ev_pixbuf_cache_parent_class)->finalize (object); -} - -static void -dispose_cache_job_info (CacheJobInfo *job_info, - gpointer data) -{ - if (job_info == NULL) - return; - if (job_info->job) { - g_signal_handlers_disconnect_by_func (job_info->job, - G_CALLBACK (job_page_ready_cb), - data); - g_signal_handlers_disconnect_by_func (job_info->job, - G_CALLBACK (job_finished_cb), - data); - ev_job_cancel (job_info->job); - g_object_unref (job_info->job); - job_info->job = NULL; - } - if (job_info->surface) { - cairo_surface_destroy (job_info->surface); - job_info->surface = NULL; - } - if (job_info->region) { - gdk_region_destroy (job_info->region); - job_info->region = NULL; - } - if (job_info->link_mapping) { - ev_link_mapping_free (job_info->link_mapping); - job_info->link_mapping = NULL; - } - if (job_info->image_mapping) { - ev_image_mapping_free (job_info->image_mapping); - job_info->image_mapping = NULL; - } - if (job_info->form_field_mapping) { - ev_form_field_mapping_free (job_info->form_field_mapping); - job_info->form_field_mapping = NULL; - } - if (job_info->text_mapping) { - gdk_region_destroy (job_info->text_mapping); - job_info->text_mapping = NULL; - } - if (job_info->selection) { - cairo_surface_destroy (job_info->selection); - job_info->selection = NULL; - } - if (job_info->selection_region) { - gdk_region_destroy (job_info->selection_region); - job_info->selection_region = NULL; - } - if (job_info->rc) { - g_object_unref (G_OBJECT (job_info->rc)); - job_info->rc = NULL; - } - - job_info->points_set = FALSE; -} - -static void -ev_pixbuf_cache_dispose (GObject *object) -{ - EvPixbufCache *pixbuf_cache; - int i; - - pixbuf_cache = EV_PIXBUF_CACHE (object); - - for (i = 0; i < pixbuf_cache->preload_cache_size; i++) { - dispose_cache_job_info (pixbuf_cache->prev_job + i, pixbuf_cache); - dispose_cache_job_info (pixbuf_cache->next_job + i, pixbuf_cache); - } - - for (i = 0; i < PAGE_CACHE_LEN (pixbuf_cache); i++) { - dispose_cache_job_info (pixbuf_cache->job_list + i, pixbuf_cache); - } - - G_OBJECT_CLASS (ev_pixbuf_cache_parent_class)->dispose (object); -} - - -EvPixbufCache * -ev_pixbuf_cache_new (GtkWidget *view, - EvDocument *document) -{ - EvPixbufCache *pixbuf_cache; - - pixbuf_cache = (EvPixbufCache *) g_object_new (EV_TYPE_PIXBUF_CACHE, NULL); - /* This is a backlink, so we don't ref this */ - pixbuf_cache->view = view; - pixbuf_cache->document = document; - - return pixbuf_cache; -} - -static void -job_page_ready_cb (EvJob *job, - EvPixbufCache *pixbuf_cache) -{ - CacheJobInfo *job_info; - EvJobRender *job_render = EV_JOB_RENDER (job); - - /* If the job is outside of our interest, we silently discard it */ - if ((job_render->page < (pixbuf_cache->start_page - pixbuf_cache->preload_cache_size)) || - (job_render->page > (pixbuf_cache->end_page + pixbuf_cache->preload_cache_size))) { - g_object_unref (job); - return; - } - - job_info = find_job_cache (pixbuf_cache, job_render->page); - - copy_job_page_and_selection_to_job_info (job_render, job_info, pixbuf_cache); - g_signal_emit (pixbuf_cache, signals[JOB_FINISHED], 0, job_info->region); -} - -static void -job_finished_cb (EvJob *job, - EvPixbufCache *pixbuf_cache) -{ - CacheJobInfo *job_info; - EvJobRender *job_render = EV_JOB_RENDER (job); - - /* If the job is outside of our interest, we silently discard it */ - if ((job_render->page < (pixbuf_cache->start_page - pixbuf_cache->preload_cache_size)) || - (job_render->page > (pixbuf_cache->end_page + pixbuf_cache->preload_cache_size))) { - g_object_unref (job); - return; - } - - job_info = find_job_cache (pixbuf_cache, job_render->page); - copy_job_to_job_info (job_render, job_info, pixbuf_cache); -} - -/* This checks a job to see if the job would generate the right sized pixbuf - * given a scale. If it won't, it removes the job and clears it to NULL. - */ -static void -check_job_size_and_unref (EvPixbufCache *pixbuf_cache, - CacheJobInfo *job_info, - EvPageCache *page_cache, - gfloat scale) -{ - gint width; - gint height; - - g_assert (job_info); - - if (job_info->job == NULL) - return; - - ev_page_cache_get_size (page_cache, - EV_JOB_RENDER (job_info->job)->page, - EV_JOB_RENDER (job_info->job)->rotation, - scale, - &width, &height); - - if (width == EV_JOB_RENDER (job_info->job)->target_width && - height == EV_JOB_RENDER (job_info->job)->target_height) - return; - - g_signal_handlers_disconnect_by_func (job_info->job, - G_CALLBACK (job_page_ready_cb), - pixbuf_cache); - g_signal_handlers_disconnect_by_func (job_info->job, - G_CALLBACK (job_finished_cb), - pixbuf_cache); - ev_job_cancel (job_info->job); - g_object_unref (job_info->job); - job_info->job = NULL; -} - -/* Do all function that copies a job from an older cache to it's position in the - * new cache. It clears the old job if it doesn't have a place. - */ -static void -move_one_job (CacheJobInfo *job_info, - EvPixbufCache *pixbuf_cache, - int page, - CacheJobInfo *new_job_list, - CacheJobInfo *new_prev_job, - CacheJobInfo *new_next_job, - int start_page, - int end_page, - gint priority) -{ - CacheJobInfo *target_page = NULL; - int page_offset; - gint new_priority; - - if (page < (start_page - pixbuf_cache->preload_cache_size) || - page > (end_page + pixbuf_cache->preload_cache_size)) { - dispose_cache_job_info (job_info, pixbuf_cache); - return; - } - - /* find the target page to copy it over to. */ - if (page < start_page) { - page_offset = (page - (start_page - pixbuf_cache->preload_cache_size)); - - g_assert (page_offset >= 0 && - page_offset < pixbuf_cache->preload_cache_size); - target_page = new_prev_job + page_offset; - new_priority = EV_JOB_PRIORITY_LOW; - } else if (page > end_page) { - page_offset = (page - (end_page + 1)); - - g_assert (page_offset >= 0 && - page_offset < pixbuf_cache->preload_cache_size); - target_page = new_next_job + page_offset; - new_priority = EV_JOB_PRIORITY_LOW; - } else { - page_offset = page - start_page; - g_assert (page_offset >= 0 && - page_offset <= ((end_page - start_page) + 1)); - new_priority = EV_JOB_PRIORITY_URGENT; - target_page = new_job_list + page_offset; - } - - *target_page = *job_info; - job_info->job = NULL; - job_info->region = NULL; - job_info->surface = NULL; - job_info->link_mapping = NULL; - job_info->image_mapping = NULL; - job_info->form_field_mapping = NULL; - - if (new_priority != priority && target_page->job) { - ev_job_scheduler_update_job (target_page->job, new_priority); - } -} - -static void -ev_pixbuf_cache_update_range (EvPixbufCache *pixbuf_cache, - gint start_page, - gint end_page) -{ - CacheJobInfo *new_job_list; - CacheJobInfo *new_prev_job; - CacheJobInfo *new_next_job; - EvPageCache *page_cache; - int i, page; - - if (pixbuf_cache->start_page == start_page && - pixbuf_cache->end_page == end_page) - return; - - page_cache = ev_page_cache_get (pixbuf_cache->document); - - new_job_list = g_new0 (CacheJobInfo, (end_page - start_page) + 1); - new_prev_job = g_new0 (CacheJobInfo, pixbuf_cache->preload_cache_size); - new_next_job = g_new0 (CacheJobInfo, pixbuf_cache->preload_cache_size); - - /* We go through each job in the old cache and either clear it or move - * it to a new location. */ - - /* Start with the prev cache. */ - page = pixbuf_cache->start_page - pixbuf_cache->preload_cache_size; - for (i = 0; i < pixbuf_cache->preload_cache_size; i++) { - if (page < 0) { - dispose_cache_job_info (pixbuf_cache->prev_job + i, pixbuf_cache); - } else { - move_one_job (pixbuf_cache->prev_job + i, - pixbuf_cache, page, - new_job_list, new_prev_job, new_next_job, - start_page, end_page, EV_JOB_PRIORITY_LOW); - } - page ++; - } - - page = pixbuf_cache->start_page; - for (i = 0; i < PAGE_CACHE_LEN (pixbuf_cache); i++) { - move_one_job (pixbuf_cache->job_list + i, - pixbuf_cache, page, - new_job_list, new_prev_job, new_next_job, - start_page, end_page, EV_JOB_PRIORITY_URGENT); - page ++; - } - - for (i = 0; i < pixbuf_cache->preload_cache_size; i++) { - if (page >= ev_page_cache_get_n_pages (page_cache)) { - dispose_cache_job_info (pixbuf_cache->next_job + i, pixbuf_cache); - } else { - move_one_job (pixbuf_cache->next_job + i, - pixbuf_cache, page, - new_job_list, new_prev_job, new_next_job, - start_page, end_page, EV_JOB_PRIORITY_LOW); - } - page ++; - } - - g_free (pixbuf_cache->job_list); - g_free (pixbuf_cache->prev_job); - g_free (pixbuf_cache->next_job); - - pixbuf_cache->job_list = new_job_list; - pixbuf_cache->prev_job = new_prev_job; - pixbuf_cache->next_job = new_next_job; - - pixbuf_cache->start_page = start_page; - pixbuf_cache->end_page = end_page; -} - -static void -copy_job_page_and_selection_to_job_info (EvJobRender *job_render, - CacheJobInfo *job_info, - EvPixbufCache *pixbuf_cache) -{ - if (job_info->rc == NULL) { - job_info->rc = ev_render_context_new (job_render->ev_page, - job_render->rotation, - job_render->scale); - } else { - ev_render_context_set_page (job_info->rc, job_render->ev_page); - ev_render_context_set_rotation (job_info->rc, job_render->rotation); - ev_render_context_set_scale (job_info->rc, job_render->scale); - } - - if (job_info->surface) { - cairo_surface_destroy (job_info->surface); - } - job_info->surface = cairo_surface_reference (job_render->surface); - - job_info->points_set = FALSE; - if (job_render->flags & EV_RENDER_INCLUDE_SELECTION) { - if (job_info->selection) { - cairo_surface_destroy (job_info->selection); - job_info->selection = NULL; - } - if (job_info->selection_region) { - gdk_region_destroy (job_info->selection_region); - job_info->selection_region = NULL; - } - - job_info->selection_points = job_render->selection_points; - job_info->selection_region = gdk_region_copy (job_render->selection_region); - job_info->selection = cairo_surface_reference (job_render->selection); - g_assert (job_info->selection_points.x1 >= 0); - job_info->points_set = TRUE; - } - - if (job_info->job) { - g_signal_handlers_disconnect_by_func (job_info->job, - G_CALLBACK (job_page_ready_cb), - pixbuf_cache); - } - - job_info->page_ready = TRUE; -} - -static void -copy_job_to_job_info (EvJobRender *job_render, - CacheJobInfo *job_info, - EvPixbufCache *pixbuf_cache) -{ - if (!job_info->page_ready) { - g_signal_emit (pixbuf_cache, signals[JOB_FINISHED], 0, job_info->region); - copy_job_page_and_selection_to_job_info (job_render, - job_info, - pixbuf_cache); - } - - if (job_render->flags & EV_RENDER_INCLUDE_LINKS) { - if (job_info->link_mapping) - ev_link_mapping_free (job_info->link_mapping); - job_info->link_mapping = job_render->link_mapping; - } - - if (job_render->flags & EV_RENDER_INCLUDE_IMAGES) { - if (job_info->image_mapping) - ev_image_mapping_free (job_info->image_mapping); - job_info->image_mapping = job_render->image_mapping; - } - - if (job_render->flags & EV_RENDER_INCLUDE_FORMS) { - if (job_info->form_field_mapping) - ev_form_field_mapping_free (job_info->form_field_mapping); - job_info->form_field_mapping = job_render->form_field_mapping; - } - - if (job_render->flags & EV_RENDER_INCLUDE_TEXT) { - if (job_info->text_mapping) - gdk_region_destroy (job_info->text_mapping); - job_info->text_mapping = job_render->text_mapping; - } - - if (job_info->job) { - g_signal_handlers_disconnect_by_func (job_info->job, - G_CALLBACK (job_finished_cb), - pixbuf_cache); - ev_job_cancel (job_info->job); - g_object_unref (job_info->job); - job_info->job = NULL; - } -} - -static CacheJobInfo * -find_job_cache (EvPixbufCache *pixbuf_cache, - int page) -{ - int page_offset; - - if (page < (pixbuf_cache->start_page - pixbuf_cache->preload_cache_size) || - page > (pixbuf_cache->end_page + pixbuf_cache->preload_cache_size)) - return NULL; - - if (page < pixbuf_cache->start_page) { - page_offset = (page - (pixbuf_cache->start_page - pixbuf_cache->preload_cache_size)); - - g_assert (page_offset >= 0 && - page_offset < pixbuf_cache->preload_cache_size); - return pixbuf_cache->prev_job + page_offset; - } - - if (page > pixbuf_cache->end_page) { - page_offset = (page - (pixbuf_cache->end_page + 1)); - - g_assert (page_offset >= 0 && - page_offset < pixbuf_cache->preload_cache_size); - return pixbuf_cache->next_job + page_offset; - } - - page_offset = page - pixbuf_cache->start_page; - g_assert (page_offset >= 0 && - page_offset <= PAGE_CACHE_LEN(pixbuf_cache)); - return pixbuf_cache->job_list + page_offset; -} - -static void -ev_pixbuf_cache_clear_job_sizes (EvPixbufCache *pixbuf_cache, - gfloat scale) -{ - EvPageCache *page_cache; - int i; - - page_cache = ev_page_cache_get (pixbuf_cache->document); - - for (i = 0; i < PAGE_CACHE_LEN (pixbuf_cache); i++) { - check_job_size_and_unref (pixbuf_cache, pixbuf_cache->job_list + i, page_cache, scale); - } - - for (i = 0; i < pixbuf_cache->preload_cache_size; i++) { - check_job_size_and_unref (pixbuf_cache, pixbuf_cache->prev_job + i, page_cache, scale); - check_job_size_and_unref (pixbuf_cache, pixbuf_cache->next_job + i, page_cache, scale); - } -} - -static void -get_selection_colors (GtkWidget *widget, GdkColor **text, GdkColor **base) -{ - if (GTK_WIDGET_HAS_FOCUS (widget)) { - *text = &widget->style->text [GTK_STATE_SELECTED]; - *base = &widget->style->base [GTK_STATE_SELECTED]; - } else { - *text = &widget->style->text [GTK_STATE_ACTIVE]; - *base = &widget->style->base [GTK_STATE_ACTIVE]; - } -} - -static void -add_job (EvPixbufCache *pixbuf_cache, - CacheJobInfo *job_info, - EvPageCache *page_cache, - GdkRegion *region, - gint width, - gint height, - gint page, - gint rotation, - gfloat scale, - EvJobPriority priority) -{ - EvRenderFlags flags = 0; - - job_info->page_ready = FALSE; - - if (job_info->region) - gdk_region_destroy (job_info->region); - job_info->region = region ? gdk_region_copy (region) : NULL; - - /* Figure out what else we need for this job */ - if (job_info->link_mapping == NULL) - flags |= EV_RENDER_INCLUDE_LINKS; - if (job_info->image_mapping == NULL) - flags |= EV_RENDER_INCLUDE_IMAGES; - if (job_info->form_field_mapping == NULL) - flags |= EV_RENDER_INCLUDE_FORMS; - if (job_info->text_mapping == NULL) - flags |= EV_RENDER_INCLUDE_TEXT; - - job_info->job = ev_job_render_new (pixbuf_cache->document, - page, rotation, scale, - width, height, - flags); - - if (new_selection_surface_needed (pixbuf_cache, job_info, page, scale)) { - GdkColor *text, *base; - - gtk_widget_ensure_style (pixbuf_cache->view); - get_selection_colors (pixbuf_cache->view, &text, &base); - ev_job_render_set_selection_info (EV_JOB_RENDER (job_info->job), - &(job_info->target_points), - job_info->selection_style, - text, base); - } - - g_signal_connect (G_OBJECT (job_info->job), "page-ready", - G_CALLBACK (job_page_ready_cb), - pixbuf_cache); - g_signal_connect (G_OBJECT (job_info->job), "finished", - G_CALLBACK (job_finished_cb), - pixbuf_cache); - ev_job_scheduler_push_job (job_info->job, priority); -} - -static void -add_job_if_needed (EvPixbufCache *pixbuf_cache, - CacheJobInfo *job_info, - EvPageCache *page_cache, - gint page, - gint rotation, - gfloat scale, - EvJobPriority priority) -{ - gint width, height; - - if (job_info->job) - return; - - ev_page_cache_get_size (page_cache, page, rotation, - scale, &width, &height); - - if (job_info->surface && - cairo_image_surface_get_width (job_info->surface) == width && - cairo_image_surface_get_height (job_info->surface) == height) - return; - - add_job (pixbuf_cache, job_info, page_cache, NULL, - width, height, page, rotation, scale, - priority); -} - -static void -ev_pixbuf_cache_add_jobs_if_needed (EvPixbufCache *pixbuf_cache, - gint rotation, - gfloat scale) -{ - EvPageCache *page_cache; - CacheJobInfo *job_info; - int page; - int i; - - page_cache = ev_page_cache_get (pixbuf_cache->document); - - for (i = 0; i < PAGE_CACHE_LEN (pixbuf_cache); i++) { - job_info = (pixbuf_cache->job_list + i); - page = pixbuf_cache->start_page + i; - - add_job_if_needed (pixbuf_cache, job_info, - page_cache, page, rotation, scale, - EV_JOB_PRIORITY_URGENT); - } - - for (i = FIRST_VISIBLE_PREV(pixbuf_cache); i < pixbuf_cache->preload_cache_size; i++) { - job_info = (pixbuf_cache->prev_job + i); - page = pixbuf_cache->start_page - pixbuf_cache->preload_cache_size + i; - - add_job_if_needed (pixbuf_cache, job_info, - page_cache, page, rotation, scale, - EV_JOB_PRIORITY_LOW); - } - - for (i = 0; i < VISIBLE_NEXT_LEN(pixbuf_cache, page_cache); i++) { - job_info = (pixbuf_cache->next_job + i); - page = pixbuf_cache->end_page + 1 + i; - - add_job_if_needed (pixbuf_cache, job_info, - page_cache, page, rotation, scale, - EV_JOB_PRIORITY_LOW); - } - -} - -void -ev_pixbuf_cache_set_page_range (EvPixbufCache *pixbuf_cache, - gint start_page, - gint end_page, - gint rotation, - gfloat scale, - GList *selection_list) -{ - EvPageCache *page_cache; - - g_return_if_fail (EV_IS_PIXBUF_CACHE (pixbuf_cache)); - - page_cache = ev_page_cache_get (pixbuf_cache->document); - - g_return_if_fail (start_page >= 0 && start_page < ev_page_cache_get_n_pages (page_cache)); - g_return_if_fail (end_page >= 0 && end_page < ev_page_cache_get_n_pages (page_cache)); - g_return_if_fail (end_page >= start_page); - - /* First, resize the page_range as needed. We cull old pages - * mercilessly. */ - ev_pixbuf_cache_update_range (pixbuf_cache, start_page, end_page); - - /* Then, we update the current jobs to see if any of them are the wrong - * size, we remove them if we need to. */ - ev_pixbuf_cache_clear_job_sizes (pixbuf_cache, scale); - - /* Next, we update the target selection for our pages */ - ev_pixbuf_cache_set_selection_list (pixbuf_cache, selection_list); - - /* Finally, we add the new jobs for all the sizes that don't have a - * pixbuf */ - ev_pixbuf_cache_add_jobs_if_needed (pixbuf_cache, rotation, scale); -} - -cairo_surface_t * -ev_pixbuf_cache_get_surface (EvPixbufCache *pixbuf_cache, - gint page) -{ - CacheJobInfo *job_info; - - job_info = find_job_cache (pixbuf_cache, page); - if (job_info == NULL) - return NULL; - - if (job_info->page_ready) - return job_info->surface; - - /* We don't need to wait for the idle to handle the callback */ - if (job_info->job && - EV_JOB_RENDER (job_info->job)->page_ready) { - copy_job_page_and_selection_to_job_info (EV_JOB_RENDER (job_info->job), job_info, pixbuf_cache); - g_signal_emit (pixbuf_cache, signals[JOB_FINISHED], 0, job_info->region); - } - - return job_info->surface; -} - -GList * -ev_pixbuf_cache_get_link_mapping (EvPixbufCache *pixbuf_cache, - gint page) -{ - CacheJobInfo *job_info; - - job_info = find_job_cache (pixbuf_cache, page); - if (job_info == NULL) - return NULL; - - /* We don't need to wait for the idle to handle the callback */ - if (job_info->job && - EV_JOB (job_info->job)->finished) { - copy_job_to_job_info (EV_JOB_RENDER (job_info->job), job_info, pixbuf_cache); - } - - return job_info->link_mapping; -} - -GList * -ev_pixbuf_cache_get_image_mapping (EvPixbufCache *pixbuf_cache, - gint page) -{ - CacheJobInfo *job_info; - - if (!EV_IS_DOCUMENT_IMAGES (pixbuf_cache->document)) - return NULL; - - job_info = find_job_cache (pixbuf_cache, page); - if (job_info == NULL) - return NULL; - - /* We don't need to wait for the idle to handle the callback */ - if (job_info->job && - EV_JOB (job_info->job)->finished) { - copy_job_to_job_info (EV_JOB_RENDER (job_info->job), job_info, pixbuf_cache); - } - - return job_info->image_mapping; -} - -GList * -ev_pixbuf_cache_get_form_field_mapping (EvPixbufCache *pixbuf_cache, - gint page) -{ - CacheJobInfo *job_info; - - if (!EV_IS_DOCUMENT_FORMS (pixbuf_cache->document)) - return NULL; - - job_info = find_job_cache (pixbuf_cache, page); - if (job_info == NULL) - return NULL; - - /* We don't need to wait for the idle to handle the callback */ - if (job_info->job && - EV_JOB (job_info->job)->finished) { - copy_job_to_job_info (EV_JOB_RENDER(job_info->job), job_info, pixbuf_cache); - } - - return job_info->form_field_mapping; -} - -static gboolean -new_selection_surface_needed (EvPixbufCache *pixbuf_cache, - CacheJobInfo *job_info, - gint page, - gfloat scale) -{ - EvPageCache *page_cache; - - if (job_info->selection && job_info->rc) { - gint width, height; - gint selection_width, selection_height; - - page_cache = ev_page_cache_get (pixbuf_cache->document); - ev_page_cache_get_size (page_cache, page, - job_info->rc->rotation, - scale, &width, &height); - - selection_width = cairo_image_surface_get_width (job_info->selection); - selection_height = cairo_image_surface_get_height (job_info->selection); - - if (width != selection_width || height != selection_height) - return TRUE; - } else { - if (job_info->points_set) - return TRUE; - } - - return FALSE; -} - -static void -clear_selection_if_needed (EvPixbufCache *pixbuf_cache, - CacheJobInfo *job_info, - gint page, - gfloat scale) -{ - if (new_selection_surface_needed (pixbuf_cache, job_info, page, scale)) { - if (job_info->selection) - cairo_surface_destroy (job_info->selection); - job_info->selection = NULL; - job_info->selection_points.x1 = -1; - } -} - -GdkRegion * -ev_pixbuf_cache_get_text_mapping (EvPixbufCache *pixbuf_cache, - gint page) -{ - CacheJobInfo *job_info; - - job_info = find_job_cache (pixbuf_cache, page); - if (job_info == NULL) - return NULL; - - /* We don't need to wait for the idle to handle the callback */ - if (job_info->job && - EV_JOB (job_info->job)->finished) { - copy_job_to_job_info (EV_JOB_RENDER (job_info->job), job_info, pixbuf_cache); - } - - return job_info->text_mapping; -} - -/* Clears the cache of jobs and pixbufs. - */ -void -ev_pixbuf_cache_clear (EvPixbufCache *pixbuf_cache) -{ - int i; - - for (i = 0; i < pixbuf_cache->preload_cache_size; i++) { - dispose_cache_job_info (pixbuf_cache->prev_job + i, pixbuf_cache); - dispose_cache_job_info (pixbuf_cache->next_job + i, pixbuf_cache); - } - - for (i = 0; i < PAGE_CACHE_LEN (pixbuf_cache); i++) { - dispose_cache_job_info (pixbuf_cache->job_list + i, pixbuf_cache); - } -} - - -void -ev_pixbuf_cache_style_changed (EvPixbufCache *pixbuf_cache) -{ - gint i; - - /* FIXME: doesn't update running jobs. */ - for (i = 0; i < pixbuf_cache->preload_cache_size; i++) { - CacheJobInfo *job_info; - - job_info = pixbuf_cache->prev_job + i; - if (job_info->selection) { - cairo_surface_destroy (job_info->selection); - job_info->selection = NULL; - } - - job_info = pixbuf_cache->next_job + i; - if (job_info->selection) { - cairo_surface_destroy (job_info->selection); - job_info->selection = NULL; - } - } - - for (i = 0; i < PAGE_CACHE_LEN (pixbuf_cache); i++) { - CacheJobInfo *job_info; - - job_info = pixbuf_cache->job_list + i; - if (job_info->selection) { - cairo_surface_destroy (job_info->selection); - job_info->selection = NULL; - } - } -} - -cairo_surface_t * -ev_pixbuf_cache_get_selection_surface (EvPixbufCache *pixbuf_cache, - gint page, - gfloat scale, - GdkRegion **region) -{ - CacheJobInfo *job_info; - - /* the document does not implement the selection interface */ - if (!EV_IS_SELECTION (pixbuf_cache->document)) - return NULL; - - job_info = find_job_cache (pixbuf_cache, page); - if (job_info == NULL) - return NULL; - - /* No selection on this page */ - if (!job_info->points_set) - return NULL; - - /* Create new render context if needed (selection + fast scrolling) */ - if (job_info->rc == NULL) { - EvPage *ev_page; - ev_page = ev_document_get_page (pixbuf_cache->document, page); - job_info->rc = ev_render_context_new (ev_page, 0, scale); - g_object_unref (ev_page); - } - - /* Update the rc */ - ev_render_context_set_scale (job_info->rc, scale); - - /* If we have a running job, we just return what we have under the - * assumption that it'll be updated later and we can scale it as need - * be */ - if (job_info->job && (EV_JOB_RENDER (job_info->job)->flags & EV_RENDER_INCLUDE_SELECTION)) - return job_info->selection; - - /* Now, lets see if we need to resize the image. If we do, we clear the - * old one. */ - clear_selection_if_needed (pixbuf_cache, job_info, page, scale); - - /* Finally, we see if the two scales are the same, and get a new pixbuf - * if needed. We do this synchronously for now. At some point, we - * _should_ be able to get rid of the doc_mutex, so the synchronicity - * doesn't kill us. Rendering a few glyphs should really be fast. - */ - if (ev_rect_cmp (&(job_info->target_points), &(job_info->selection_points))) { - EvRectangle *old_points; - GdkColor *text, *base; - - /* we need to get a new selection pixbuf */ - ev_document_doc_mutex_lock (); - if (job_info->selection_points.x1 < 0) { - g_assert (job_info->selection == NULL); - old_points = NULL; - } else { - g_assert (job_info->selection != NULL); - old_points = &(job_info->selection_points); - } - - if (job_info->selection_region) - gdk_region_destroy (job_info->selection_region); - job_info->selection_region = - ev_selection_get_selection_region (EV_SELECTION (pixbuf_cache->document), - job_info->rc, - job_info->selection_style, - &(job_info->target_points)); - - gtk_widget_ensure_style (pixbuf_cache->view); - - get_selection_colors (pixbuf_cache->view, &text, &base); - - ev_selection_render_selection (EV_SELECTION (pixbuf_cache->document), - job_info->rc, &(job_info->selection), - &(job_info->target_points), - old_points, - job_info->selection_style, - text, base); - job_info->selection_points = job_info->target_points; - ev_document_doc_mutex_unlock (); - } - if (region) - *region = job_info->selection_region; - return job_info->selection; -} - -static void -update_job_selection (CacheJobInfo *job_info, - EvViewSelection *selection) -{ - job_info->points_set = TRUE; - job_info->target_points = selection->rect; - job_info->selection_style = selection->style; -} - -static void -clear_job_selection (CacheJobInfo *job_info) -{ - job_info->points_set = FALSE; - job_info->selection_points.x1 = -1; - - if (job_info->selection) { - cairo_surface_destroy (job_info->selection); - job_info->selection = NULL; - } -} - -/* This function will reset the selection on pages that no longer have them, and - * will update the target_selection on those that need it. It will _not_ free - * the previous selection_list -- that's up to caller to do. - */ -void -ev_pixbuf_cache_set_selection_list (EvPixbufCache *pixbuf_cache, - GList *selection_list) -{ - EvPageCache *page_cache; - EvViewSelection *selection; - GList *list = selection_list; - int page; - int i; - - g_return_if_fail (EV_IS_PIXBUF_CACHE (pixbuf_cache)); - - if (!EV_IS_SELECTION (pixbuf_cache->document)) - return; - - page_cache = ev_page_cache_get (pixbuf_cache->document); - - /* We check each area to see what needs updating, and what needs freeing; */ - page = pixbuf_cache->start_page - pixbuf_cache->preload_cache_size; - for (i = 0; i < pixbuf_cache->preload_cache_size; i++) { - if (page < 0) { - page ++; - continue; - } - - selection = NULL; - while (list) { - if (((EvViewSelection *)list->data)->page == page) { - selection = list->data; - break; - } else if (((EvViewSelection *)list->data)->page > page) - break; - list = list->next; - } - - if (selection) - update_job_selection (pixbuf_cache->prev_job + i, selection); - else - clear_job_selection (pixbuf_cache->prev_job + i); - page ++; - } - - page = pixbuf_cache->start_page; - for (i = 0; i < PAGE_CACHE_LEN (pixbuf_cache); i++) { - selection = NULL; - while (list) { - if (((EvViewSelection *)list->data)->page == page) { - selection = list->data; - break; - } else if (((EvViewSelection *)list->data)->page > page) - break; - list = list->next; - } - - if (selection) - update_job_selection (pixbuf_cache->job_list + i, selection); - else - clear_job_selection (pixbuf_cache->job_list + i); - page ++; - } - - for (i = 0; i < pixbuf_cache->preload_cache_size; i++) { - if (page >= ev_page_cache_get_n_pages (page_cache)) - break; - - selection = NULL; - while (list) { - if (((EvViewSelection *)list->data)->page == page) { - selection = list->data; - break; - } else if (((EvViewSelection *)list->data)->page > page) - break; - list = list->next; - } - - if (selection) - update_job_selection (pixbuf_cache->next_job + i, selection); - else - clear_job_selection (pixbuf_cache->next_job + i); - page ++; - } -} - - -/* Returns what the pixbuf cache thinks is */ - -GList * -ev_pixbuf_cache_get_selection_list (EvPixbufCache *pixbuf_cache) -{ - EvPageCache *page_cache; - EvViewSelection *selection; - GList *retval = NULL; - int page; - int i; - - g_return_val_if_fail (EV_IS_PIXBUF_CACHE (pixbuf_cache), NULL); - - page_cache = ev_page_cache_get (pixbuf_cache->document); - - /* We check each area to see what needs updating, and what needs freeing; */ - page = pixbuf_cache->start_page - pixbuf_cache->preload_cache_size; - for (i = 0; i < pixbuf_cache->preload_cache_size; i++) { - if (page < 0) { - page ++; - continue; - } - - if (pixbuf_cache->prev_job[i].selection_points.x1 != -1) { - selection = g_new0 (EvViewSelection, 1); - selection->page = page; - selection->rect = pixbuf_cache->prev_job[i].selection_points; - if (pixbuf_cache->prev_job[i].selection_region) - selection->covered_region = gdk_region_copy (pixbuf_cache->prev_job[i].selection_region); - retval = g_list_append (retval, selection); - } - - page ++; - } - - page = pixbuf_cache->start_page; - for (i = 0; i < PAGE_CACHE_LEN (pixbuf_cache); i++) { - if (pixbuf_cache->job_list[i].selection_points.x1 != -1) { - selection = g_new0 (EvViewSelection, 1); - selection->page = page; - selection->rect = pixbuf_cache->job_list[i].selection_points; - if (pixbuf_cache->job_list[i].selection_region) - selection->covered_region = gdk_region_copy (pixbuf_cache->job_list[i].selection_region); - retval = g_list_append (retval, selection); - } - - page ++; - } - - for (i = 0; i < pixbuf_cache->preload_cache_size; i++) { - if (page >= ev_page_cache_get_n_pages (page_cache)) - break; - - if (pixbuf_cache->next_job[i].selection_points.x1 != -1) { - selection = g_new0 (EvViewSelection, 1); - selection->page = page; - selection->rect = pixbuf_cache->next_job[i].selection_points; - if (pixbuf_cache->next_job[i].selection_region) - selection->covered_region = gdk_region_copy (pixbuf_cache->next_job[i].selection_region); - retval = g_list_append (retval, selection); - } - - page ++; - } - - return retval; -} - -void -ev_pixbuf_cache_reload_page (EvPixbufCache *pixbuf_cache, - GdkRegion *region, - gint page, - gint rotation, - gdouble scale) -{ - CacheJobInfo *job_info; - EvPageCache *page_cache; - gint width, height; - - job_info = find_job_cache (pixbuf_cache, page); - if (job_info == NULL) - return; - - page_cache = ev_page_cache_get (pixbuf_cache->document); - ev_page_cache_get_size (page_cache, page, rotation, scale, - &width, &height); - - add_job (pixbuf_cache, job_info, page_cache, region, - width, height, page, rotation, scale, - EV_JOB_PRIORITY_URGENT); -} - - diff --git a/shell/ev-pixbuf-cache.h b/shell/ev-pixbuf-cache.h deleted file mode 100644 index 5e48f28..0000000 --- a/shell/ev-pixbuf-cache.h +++ /dev/null @@ -1,90 +0,0 @@ -/* this file is part of evince, a gnome document viewer - * - * Copyright (C) 2005 Red Hat, Inc - * - * Evince is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * Evince is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. - */ - -/* This File is basically an extention of EvView, and is out here just to keep - * ev-view.c from exploding. - */ - -#ifndef __EV_PIXBUF_CACHE_H__ -#define __EV_PIXBUF_CACHE_H__ - -#include - -#include "ev-document.h" -#include "ev-selection.h" - -G_BEGIN_DECLS - -#define EV_TYPE_PIXBUF_CACHE (ev_pixbuf_cache_get_type ()) -#define EV_PIXBUF_CACHE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), EV_TYPE_PIXBUF_CACHE, EvPixbufCache)) -#define EV_IS_PIXBUF_CACHE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EV_TYPE_PIXBUF_CACHE)) - - - -/* The coordinates in the rect here are at scale == 1.0, so that we can ignore - * resizings. There is one per page, maximum. - */ -typedef struct { - int page; - EvRectangle rect; - GdkRegion *covered_region; - EvSelectionStyle style; -} EvViewSelection; - -typedef struct _EvPixbufCache EvPixbufCache; -typedef struct _EvPixbufCacheClass EvPixbufCacheClass; - -GType ev_pixbuf_cache_get_type (void) G_GNUC_CONST; -EvPixbufCache *ev_pixbuf_cache_new (GtkWidget *view, - EvDocument *document); -void ev_pixbuf_cache_set_page_range (EvPixbufCache *pixbuf_cache, - gint start_page, - gint end_page, - gint rotation, - gfloat scale, - GList *selection_list); -cairo_surface_t *ev_pixbuf_cache_get_surface (EvPixbufCache *pixbuf_cache, - gint page); -GList *ev_pixbuf_cache_get_link_mapping (EvPixbufCache *pixbuf_cache, - gint page); -GList *ev_pixbuf_cache_get_image_mapping (EvPixbufCache *pixbuf_cache, - gint page); -GdkRegion *ev_pixbuf_cache_get_text_mapping (EvPixbufCache *pixbuf_cache, - gint page); -GList *ev_pixbuf_cache_get_form_field_mapping (EvPixbufCache *pixbuf_cache, - gint page); -void ev_pixbuf_cache_clear (EvPixbufCache *pixbuf_cache); -void ev_pixbuf_cache_style_changed (EvPixbufCache *pixbuf_cache); -void ev_pixbuf_cache_reload_page (EvPixbufCache *pixbuf_cache, - GdkRegion *region, - gint page, - gint rotation, - gdouble scale); -/* Selection */ -cairo_surface_t *ev_pixbuf_cache_get_selection_surface (EvPixbufCache *pixbuf_cache, - gint page, - gfloat scale, - GdkRegion **region); -void ev_pixbuf_cache_set_selection_list (EvPixbufCache *pixbuf_cache, - GList *selection_list); -GList *ev_pixbuf_cache_get_selection_list (EvPixbufCache *pixbuf_cache); - -G_END_DECLS - -#endif /* __EV_PIXBUF_CACHE_H__ */ diff --git a/shell/ev-timeline.c b/shell/ev-timeline.c deleted file mode 100644 index 1545dff..0000000 --- a/shell/ev-timeline.c +++ /dev/null @@ -1,450 +0,0 @@ -/* ev-timeline.c - * this file is part of evince, a gnome document viewer - * - * Copyright (C) 2007 Carlos Garnacho - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - */ - -#include -#include -#include -#include "ev-timeline.h" - -#define EV_TIMELINE_GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), EV_TYPE_TIMELINE, EvTimelinePriv)) -#define MSECS_PER_SEC 1000 -#define FRAME_INTERVAL(nframes) (MSECS_PER_SEC / nframes) -#define DEFAULT_FPS 30 - -typedef struct EvTimelinePriv EvTimelinePriv; - -struct EvTimelinePriv { - guint duration; - guint fps; - guint source_id; - - GTimer *timer; - - guint loop : 1; -}; - -enum { - PROP_0, - PROP_FPS, - PROP_DURATION, - PROP_LOOP -}; - -enum { - STARTED, - PAUSED, - FINISHED, - FRAME, - LAST_SIGNAL -}; - -static guint signals [LAST_SIGNAL] = { 0, }; - - -G_DEFINE_TYPE (EvTimeline, ev_timeline, G_TYPE_OBJECT) - - -static void -ev_timeline_init (EvTimeline *timeline) -{ - EvTimelinePriv *priv; - - priv = EV_TIMELINE_GET_PRIV (timeline); - - priv->fps = DEFAULT_FPS; - priv->duration = 0; -} - -static void -ev_timeline_set_property (GObject *object, - guint prop_id, - const GValue *value, - GParamSpec *pspec) -{ - EvTimeline *timeline; - - timeline = EV_TIMELINE (object); - - switch (prop_id) { - case PROP_FPS: - ev_timeline_set_fps (timeline, g_value_get_uint (value)); - break; - case PROP_DURATION: - ev_timeline_set_duration (timeline, g_value_get_uint (value)); - break; - case PROP_LOOP: - ev_timeline_set_loop (timeline, g_value_get_boolean (value)); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - } -} - -static void -ev_timeline_get_property (GObject *object, - guint prop_id, - GValue *value, - GParamSpec *pspec) -{ - EvTimeline *timeline; - EvTimelinePriv *priv; - - timeline = EV_TIMELINE (object); - priv = EV_TIMELINE_GET_PRIV (timeline); - - switch (prop_id) { - case PROP_FPS: - g_value_set_uint (value, priv->fps); - break; - case PROP_DURATION: - g_value_set_uint (value, priv->duration); - break; - case PROP_LOOP: - g_value_set_boolean (value, priv->loop); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - } -} - -static void -ev_timeline_finalize (GObject *object) -{ - EvTimelinePriv *priv; - - priv = EV_TIMELINE_GET_PRIV (object); - - if (priv->source_id) { - g_source_remove (priv->source_id); - priv->source_id = 0; - } - - if (priv->timer) - g_timer_destroy (priv->timer); - - G_OBJECT_CLASS (ev_timeline_parent_class)->finalize (object); -} - -static gboolean -ev_timeline_run_frame (EvTimeline *timeline) -{ - EvTimelinePriv *priv; - gdouble progress; - guint elapsed_time; - - GDK_THREADS_ENTER (); - - priv = EV_TIMELINE_GET_PRIV (timeline); - - elapsed_time = (guint) (g_timer_elapsed (priv->timer, NULL) * 1000); - progress = (gdouble) elapsed_time / priv->duration; - progress = CLAMP (progress, 0., 1.); - - g_signal_emit (timeline, signals [FRAME], 0, progress); - - if (progress >= 1.0) { - if (!priv->loop) { - if (priv->source_id) { - g_source_remove (priv->source_id); - priv->source_id = 0; - } - - g_signal_emit (timeline, signals [FINISHED], 0); - return FALSE; - } else { - ev_timeline_rewind (timeline); - } - } - - GDK_THREADS_LEAVE (); - - return TRUE; -} - -static void -ev_timeline_real_start (EvTimeline *timeline) -{ - EvTimelinePriv *priv; - - priv = EV_TIMELINE_GET_PRIV (timeline); - - if (!priv->source_id) { - if (priv->timer) - g_timer_continue (priv->timer); - else - priv->timer = g_timer_new (); - - /* sanity check */ - g_assert (priv->fps > 0); - - g_signal_emit (timeline, signals [STARTED], 0); - - priv->source_id = g_timeout_add (FRAME_INTERVAL (priv->fps), - (GSourceFunc) ev_timeline_run_frame, - timeline); - } -} - -static void -ev_timeline_class_init (EvTimelineClass *class) -{ - GObjectClass *object_class = G_OBJECT_CLASS (class); - - object_class->set_property = ev_timeline_set_property; - object_class->get_property = ev_timeline_get_property; - object_class->finalize = ev_timeline_finalize; - - class->start = ev_timeline_real_start; - - g_object_class_install_property (object_class, - PROP_FPS, - g_param_spec_uint ("fps", - "FPS", - "Frames per second for the timeline", - 1, - G_MAXUINT, - DEFAULT_FPS, - G_PARAM_READWRITE)); - g_object_class_install_property (object_class, - PROP_DURATION, - g_param_spec_uint ("duration", - "Animation Duration", - "Animation Duration", - 0, - G_MAXUINT, - 0, - G_PARAM_READWRITE)); - g_object_class_install_property (object_class, - PROP_LOOP, - g_param_spec_boolean ("loop", - "Loop", - "Whether the timeline loops or not", - FALSE, - G_PARAM_READWRITE)); - signals[STARTED] = - g_signal_new ("started", - G_TYPE_FROM_CLASS (object_class), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (EvTimelineClass, started), - NULL, NULL, - g_cclosure_marshal_VOID__VOID, - G_TYPE_NONE, 0); - - signals[PAUSED] = - g_signal_new ("paused", - G_TYPE_FROM_CLASS (object_class), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (EvTimelineClass, paused), - NULL, NULL, - g_cclosure_marshal_VOID__VOID, - G_TYPE_NONE, 0); - - signals[FINISHED] = - g_signal_new ("finished", - G_TYPE_FROM_CLASS (object_class), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (EvTimelineClass, finished), - NULL, NULL, - g_cclosure_marshal_VOID__VOID, - G_TYPE_NONE, 0); - - signals[FRAME] = - g_signal_new ("frame", - G_TYPE_FROM_CLASS (object_class), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (EvTimelineClass, frame), - NULL, NULL, - g_cclosure_marshal_VOID__DOUBLE, - G_TYPE_NONE, 1, - G_TYPE_DOUBLE); - - g_type_class_add_private (class, sizeof (EvTimelinePriv)); -} - -EvTimeline * -ev_timeline_new (guint duration) -{ - return g_object_new (EV_TYPE_TIMELINE, - "duration", duration, - NULL); -} - -void -ev_timeline_start (EvTimeline *timeline) -{ - g_return_if_fail (EV_IS_TIMELINE (timeline)); - - EV_TIMELINE_GET_CLASS (timeline)->start (timeline); -} - -void -ev_timeline_pause (EvTimeline *timeline) -{ - EvTimelinePriv *priv; - - g_return_if_fail (EV_IS_TIMELINE (timeline)); - - priv = EV_TIMELINE_GET_PRIV (timeline); - - if (priv->source_id) { - g_source_remove (priv->source_id); - priv->source_id = 0; - g_timer_stop (priv->timer); - g_signal_emit (timeline, signals [PAUSED], 0); - } -} - -void -ev_timeline_rewind (EvTimeline *timeline) -{ - EvTimelinePriv *priv; - - g_return_if_fail (EV_IS_TIMELINE (timeline)); - - priv = EV_TIMELINE_GET_PRIV (timeline); - - /* destroy and re-create timer if neccesary */ - if (priv->timer) { - g_timer_destroy (priv->timer); - - if (ev_timeline_is_running (timeline)) - priv->timer = g_timer_new (); - else - priv->timer = NULL; - } -} - -gboolean -ev_timeline_is_running (EvTimeline *timeline) -{ - EvTimelinePriv *priv; - - g_return_val_if_fail (EV_IS_TIMELINE (timeline), FALSE); - - priv = EV_TIMELINE_GET_PRIV (timeline); - - return (priv->source_id != 0); -} - -guint -ev_timeline_get_fps (EvTimeline *timeline) -{ - EvTimelinePriv *priv; - - g_return_val_if_fail (EV_IS_TIMELINE (timeline), 1); - - priv = EV_TIMELINE_GET_PRIV (timeline); - return priv->fps; -} - -void -ev_timeline_set_fps (EvTimeline *timeline, - guint fps) -{ - EvTimelinePriv *priv; - - g_return_if_fail (EV_IS_TIMELINE (timeline)); - - priv = EV_TIMELINE_GET_PRIV (timeline); - - priv->fps = fps; - - if (ev_timeline_is_running (timeline)) { - g_source_remove (priv->source_id); - priv->source_id = g_timeout_add (FRAME_INTERVAL (priv->fps), - (GSourceFunc) ev_timeline_run_frame, - timeline); - } - - g_object_notify (G_OBJECT (timeline), "fps"); -} - -gboolean -ev_timeline_get_loop (EvTimeline *timeline) -{ - EvTimelinePriv *priv; - - g_return_val_if_fail (EV_IS_TIMELINE (timeline), FALSE); - - priv = EV_TIMELINE_GET_PRIV (timeline); - return priv->loop; -} - -void -ev_timeline_set_loop (EvTimeline *timeline, - gboolean loop) -{ - EvTimelinePriv *priv; - - g_return_if_fail (EV_IS_TIMELINE (timeline)); - - priv = EV_TIMELINE_GET_PRIV (timeline); - priv->loop = loop; - - g_object_notify (G_OBJECT (timeline), "loop"); -} - -void -ev_timeline_set_duration (EvTimeline *timeline, - guint duration) -{ - EvTimelinePriv *priv; - - g_return_if_fail (EV_IS_TIMELINE (timeline)); - - priv = EV_TIMELINE_GET_PRIV (timeline); - - priv->duration = duration; - - g_object_notify (G_OBJECT (timeline), "duration"); -} - -guint -ev_timeline_get_duration (EvTimeline *timeline) -{ - EvTimelinePriv *priv; - - g_return_val_if_fail (EV_IS_TIMELINE (timeline), 0); - - priv = EV_TIMELINE_GET_PRIV (timeline); - - return priv->duration; -} - -gdouble -ev_timeline_get_progress (EvTimeline *timeline) -{ - EvTimelinePriv *priv; - gdouble progress; - guint elapsed_time; - - g_return_val_if_fail (EV_IS_TIMELINE (timeline), 0.0); - - priv = EV_TIMELINE_GET_PRIV (timeline); - - if (!priv->timer) - return 0.; - - elapsed_time = (guint) (g_timer_elapsed (priv->timer, NULL) * 1000); - progress = (gdouble) elapsed_time / priv->duration; - - return CLAMP (progress, 0., 1.); -} diff --git a/shell/ev-timeline.h b/shell/ev-timeline.h deleted file mode 100644 index 534e48a..0000000 --- a/shell/ev-timeline.h +++ /dev/null @@ -1,86 +0,0 @@ -/* ev-timeline.h - * this file is part of evince, a gnome document viewer - * - * Copyright (C) 2007 Carlos Garnacho - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - */ - -#ifndef __EV_TIMELINE_H__ -#define __EV_TIMELINE_H__ - -#include - -G_BEGIN_DECLS - -#define EV_TYPE_TIMELINE (ev_timeline_get_type ()) -#define EV_TIMELINE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), EV_TYPE_TIMELINE, EvTimeline)) -#define EV_TIMELINE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_TIMELINE, EvTimelineClass)) -#define EV_IS_TIMELINE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EV_TYPE_TIMELINE)) -#define EV_IS_TIMELINE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_TIMELINE)) -#define EV_TIMELINE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_TIMELINE, EvTimelineClass)) - -typedef struct EvTimeline EvTimeline; -typedef struct EvTimelineClass EvTimelineClass; - -struct EvTimeline { - GObject parent_instance; -}; - -struct EvTimelineClass { - GObjectClass parent_class; - - /* vmethods */ - void (* start) (EvTimeline *timeline); - - /* signals */ - void (* started) (EvTimeline *timeline); - void (* finished) (EvTimeline *timeline); - void (* paused) (EvTimeline *timeline); - - void (* frame) (EvTimeline *timeline, - gdouble progress); -}; - - -GType ev_timeline_get_type (void) G_GNUC_CONST; - -EvTimeline *ev_timeline_new (guint duration); - -void ev_timeline_start (EvTimeline *timeline); -void ev_timeline_pause (EvTimeline *timeline); -void ev_timeline_rewind (EvTimeline *timeline); - -gboolean ev_timeline_is_running (EvTimeline *timeline); - -guint ev_timeline_get_fps (EvTimeline *timeline); -void ev_timeline_set_fps (EvTimeline *timeline, - guint fps); - -gboolean ev_timeline_get_loop (EvTimeline *timeline); -void ev_timeline_set_loop (EvTimeline *timeline, - gboolean loop); - -guint ev_timeline_get_duration (EvTimeline *timeline); -void ev_timeline_set_duration (EvTimeline *timeline, - guint duration); - -gdouble ev_timeline_get_progress (EvTimeline *timeline); - - -G_END_DECLS - -#endif /* __EV_TIMELINE_H__ */ diff --git a/shell/ev-transition-animation.c b/shell/ev-transition-animation.c deleted file mode 100644 index 148b4c7..0000000 --- a/shell/ev-transition-animation.c +++ /dev/null @@ -1,682 +0,0 @@ -/* ev-transition-animation.c - * this file is part of evince, a gnome document viewer - * - * Copyright (C) 2007 Carlos Garnacho - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - */ - -#include -#include -#include "ev-transition-animation.h" -#include "ev-timeline.h" - -#define EV_TRANSITION_ANIMATION_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), EV_TYPE_TRANSITION_ANIMATION, EvTransitionAnimationPriv)) -#define N_BLINDS 6 - -typedef struct EvTransitionAnimationPriv EvTransitionAnimationPriv; - -struct EvTransitionAnimationPriv { - EvTransitionEffect *effect; - cairo_surface_t *origin_surface; - cairo_surface_t *dest_surface; -}; - -enum { - PROP_0, - PROP_EFFECT, - PROP_ORIGIN_SURFACE, - PROP_DEST_SURFACE -}; - - -G_DEFINE_TYPE (EvTransitionAnimation, ev_transition_animation, EV_TYPE_TIMELINE) - - -static void -ev_transition_animation_init (EvTransitionAnimation *animation) -{ -} - -static void -ev_transition_animation_set_property (GObject *object, - guint prop_id, - const GValue *value, - GParamSpec *pspec) -{ - EvTransitionAnimationPriv *priv; - - priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (object); - - switch (prop_id) { - case PROP_EFFECT: - if (priv->effect) - g_object_unref (priv->effect); - - priv->effect = g_value_dup_object (value); - break; - case PROP_ORIGIN_SURFACE: - ev_transition_animation_set_origin_surface (EV_TRANSITION_ANIMATION (object), - g_value_get_pointer (value)); - break; - case PROP_DEST_SURFACE: - ev_transition_animation_set_dest_surface (EV_TRANSITION_ANIMATION (object), - g_value_get_pointer (value)); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - } -} - -static void -ev_transition_animation_get_property (GObject *object, - guint prop_id, - GValue *value, - GParamSpec *pspec) -{ - EvTransitionAnimationPriv *priv; - - priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (object); - - switch (prop_id) { - case PROP_EFFECT: - g_value_set_object (value, priv->effect); - break; - case PROP_ORIGIN_SURFACE: - g_value_set_pointer (value, priv->origin_surface); - break; - case PROP_DEST_SURFACE: - g_value_set_pointer (value, priv->dest_surface); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - } -} - -static void -ev_transition_animation_finalize (GObject *object) -{ - EvTransitionAnimationPriv *priv; - - priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (object); - - if (priv->effect) - g_object_unref (priv->effect); - - if (priv->origin_surface) - cairo_surface_destroy (priv->origin_surface); - - if (priv->dest_surface) - cairo_surface_destroy (priv->dest_surface); - - G_OBJECT_CLASS (ev_transition_animation_parent_class)->finalize (object); -} - -static GObject * -ev_transition_animation_constructor (GType type, - guint n_construct_properties, - GObjectConstructParam *construct_params) -{ - GObject *object; - EvTransitionAnimationPriv *priv; - EvTransitionEffect *effect; - gint duration; - - object = G_OBJECT_CLASS (ev_transition_animation_parent_class)->constructor (type, - n_construct_properties, - construct_params); - - priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (object); - effect = priv->effect; - - g_object_get (effect, "duration", &duration, NULL); - ev_timeline_set_duration (EV_TIMELINE (object), duration * 1000); - - return object; -} - -static void -ev_transition_animation_class_init (EvTransitionAnimationClass *klass) -{ - GObjectClass *object_class = G_OBJECT_CLASS (klass); - - object_class->set_property = ev_transition_animation_set_property; - object_class->get_property = ev_transition_animation_get_property; - object_class->finalize = ev_transition_animation_finalize; - object_class->constructor = ev_transition_animation_constructor; - - g_object_class_install_property (object_class, - PROP_EFFECT, - g_param_spec_object ("effect", - "Effect", - "Transition effect description", - EV_TYPE_TRANSITION_EFFECT, - G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE)); - g_object_class_install_property (object_class, - PROP_ORIGIN_SURFACE, - g_param_spec_pointer ("origin-surface", - "Origin surface", - "Cairo surface from which the animation will happen", - G_PARAM_READWRITE)); - g_object_class_install_property (object_class, - PROP_DEST_SURFACE, - g_param_spec_pointer ("dest-surface", - "Destination surface", - "Cairo surface to which the animation will happen", - G_PARAM_READWRITE)); - - g_type_class_add_private (klass, sizeof (EvTransitionAnimationPriv)); -} - -static void -paint_surface (cairo_t *cr, - cairo_surface_t *surface, - gdouble x_offset, - gdouble y_offset, - gdouble alpha, - GdkRectangle page_area) -{ - gint width, height; - - gdk_cairo_rectangle (cr, &page_area); - cairo_clip (cr); - - width = cairo_image_surface_get_width (surface); - height = cairo_image_surface_get_height (surface); - - cairo_save (cr); - - if (width != page_area.width || height != page_area.height) { - cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_FAST); - cairo_scale (cr, - (gdouble) page_area.width / width, - (gdouble) page_area.height / height); - } - - cairo_surface_set_device_offset (surface, x_offset, y_offset); - cairo_set_source_surface (cr, surface, 0, 0); - - if (alpha == 0.) - cairo_paint (cr); - else - cairo_paint_with_alpha (cr, alpha); - - cairo_restore (cr); -} - -/* animations */ -static void -ev_transition_animation_split (cairo_t *cr, - EvTransitionAnimation *animation, - EvTransitionEffect *effect, - gdouble progress, - GdkRectangle page_area) -{ - EvTransitionAnimationPriv *priv; - EvTransitionEffectAlignment alignment; - EvTransitionEffectDirection direction; - gint width, height; - - priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation); - width = page_area.width; - height = page_area.height; - - g_object_get (effect, - "alignment", &alignment, - "direction", &direction, - NULL); - - if (direction == EV_TRANSITION_DIRECTION_INWARD) { - paint_surface (cr, priv->dest_surface, 0, 0, 0, page_area); - - if (alignment == EV_TRANSITION_ALIGNMENT_HORIZONTAL) { - cairo_rectangle (cr, - 0, - height * progress / 2, - width, - height * (1 - progress)); - } else { - cairo_rectangle (cr, - width * progress / 2, - 0, - width * (1 - progress), - height); - } - - cairo_clip (cr); - - paint_surface (cr, priv->origin_surface, 0, 0, 0, page_area); - } else { - paint_surface (cr, priv->origin_surface, 0, 0, 0, page_area); - - if (alignment == EV_TRANSITION_ALIGNMENT_HORIZONTAL) { - cairo_rectangle (cr, - 0, - (height / 2) - (height * progress / 2), - width, - height * progress); - } else { - cairo_rectangle (cr, - (width / 2) - (width * progress / 2), - 0, - width * progress, - height); - } - - cairo_clip (cr); - - paint_surface (cr, priv->dest_surface, 0, 0, 0, page_area); - } -} - -static void -ev_transition_animation_blinds (cairo_t *cr, - EvTransitionAnimation *animation, - EvTransitionEffect *effect, - gdouble progress, - GdkRectangle page_area) -{ - EvTransitionAnimationPriv *priv; - EvTransitionEffectAlignment alignment; - gint width, height, i; - - priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation); - width = page_area.width; - height = page_area.height; - - g_object_get (effect, - "alignment", &alignment, - NULL); - - paint_surface (cr, priv->origin_surface, 0, 0, 0, page_area); - - for (i = 0; i < N_BLINDS; i++) { - cairo_save (cr); - - if (alignment == EV_TRANSITION_ALIGNMENT_HORIZONTAL) { - cairo_rectangle (cr, - 0, - height / N_BLINDS * i, - width, - height / N_BLINDS * progress); - } else { - cairo_rectangle (cr, - width / N_BLINDS * i, - 0, - width / N_BLINDS * progress, - height); - } - - cairo_clip (cr); - paint_surface (cr, priv->dest_surface, 0, 0, 0, page_area); - cairo_restore (cr); - } -} - -static void -ev_transition_animation_box (cairo_t *cr, - EvTransitionAnimation *animation, - EvTransitionEffect *effect, - gdouble progress, - GdkRectangle page_area) -{ - EvTransitionAnimationPriv *priv; - EvTransitionEffectDirection direction; - gint width, height; - - priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation); - width = page_area.width; - height = page_area.height; - - g_object_get (effect, - "direction", &direction, - NULL); - - if (direction == EV_TRANSITION_DIRECTION_INWARD) { - paint_surface (cr, priv->dest_surface, 0, 0, 0, page_area); - - cairo_rectangle (cr, - width * progress / 2, - height * progress / 2, - width * (1 - progress), - height * (1 - progress)); - cairo_clip (cr); - - paint_surface (cr, priv->origin_surface, 0, 0, 0, page_area); - } else { - paint_surface (cr, priv->origin_surface, 0, 0, 0, page_area); - - cairo_rectangle (cr, - (width / 2) - (width * progress / 2), - (height / 2) - (height * progress / 2), - width * progress, - height * progress); - cairo_clip (cr); - - paint_surface (cr, priv->dest_surface, 0, 0, 0, page_area); - } -} - -static void -ev_transition_animation_wipe (cairo_t *cr, - EvTransitionAnimation *animation, - EvTransitionEffect *effect, - gdouble progress, - GdkRectangle page_area) -{ - EvTransitionAnimationPriv *priv; - gint width, height; - gint angle; - - priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation); - width = page_area.width; - height = page_area.height; - - g_object_get (effect, - "angle", &angle, - NULL); - - paint_surface (cr, priv->origin_surface, 0, 0, 0, page_area); - - if (angle == 0) { - /* left to right */ - cairo_rectangle (cr, - 0, 0, - width * progress, - height); - } else if (angle <= 90) { - /* bottom to top */ - cairo_rectangle (cr, - 0, - height * (1 - progress), - width, - height * progress); - } else if (angle <= 180) { - /* right to left */ - cairo_rectangle (cr, - width * (1 - progress), - 0, - width * progress, - height); - } else if (angle <= 270) { - /* top to bottom */ - cairo_rectangle (cr, - 0, 0, - width, - height * progress); - } - - cairo_clip (cr); - - paint_surface (cr, priv->dest_surface, 0, 0, 0, page_area); -} - -static void -ev_transition_animation_dissolve (cairo_t *cr, - EvTransitionAnimation *animation, - EvTransitionEffect *effect, - gdouble progress, - GdkRectangle page_area) -{ - EvTransitionAnimationPriv *priv; - - priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation); - - paint_surface (cr, priv->dest_surface, 0, 0, 0, page_area); - paint_surface (cr, priv->origin_surface, 0, 0, 1 - progress, page_area); -} - -static void -ev_transition_animation_push (cairo_t *cr, - EvTransitionAnimation *animation, - EvTransitionEffect *effect, - gdouble progress, - GdkRectangle page_area) -{ - EvTransitionAnimationPriv *priv; - gint width, height; - gint angle; - - priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation); - width = page_area.width; - height = page_area.height; - - g_object_get (effect, - "angle", &angle, - NULL); - - if (angle == 0) { - /* left to right */ - paint_surface (cr, priv->origin_surface, - (width * progress), 0, 0, page_area); - paint_surface (cr, priv->dest_surface, width * (1 - progress), 0, 0, page_area); - } else { - /* top to bottom */ - paint_surface (cr, priv->origin_surface, 0, - (height * progress), 0, page_area); - paint_surface (cr, priv->dest_surface, 0, height * (1 - progress), 0, page_area); - } -} - -static void -ev_transition_animation_cover (cairo_t *cr, - EvTransitionAnimation *animation, - EvTransitionEffect *effect, - gdouble progress, - GdkRectangle page_area) -{ - EvTransitionAnimationPriv *priv; - gint width, height; - gint angle; - - priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation); - width = page_area.width; - height = page_area.height; - - g_object_get (effect, - "angle", &angle, - NULL); - - paint_surface (cr, priv->origin_surface, 0, 0, 0, page_area); - - if (angle == 0) { - /* left to right */ - paint_surface (cr, priv->dest_surface, width * (1 - progress), 0, 0, page_area); - } else { - /* top to bottom */ - paint_surface (cr, priv->dest_surface, 0, height * (1 - progress), 0, page_area); - } -} - -static void -ev_transition_animation_uncover (cairo_t *cr, - EvTransitionAnimation *animation, - EvTransitionEffect *effect, - gdouble progress, - GdkRectangle page_area) -{ - EvTransitionAnimationPriv *priv; - gint width, height; - gint angle; - - priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation); - width = page_area.width; - height = page_area.height; - - g_object_get (effect, - "angle", &angle, - NULL); - - paint_surface (cr, priv->dest_surface, 0, 0, 0, page_area); - - if (angle == 0) { - /* left to right */ - paint_surface (cr, priv->origin_surface, - (width * progress), 0, 0, page_area); - } else { - /* top to bottom */ - paint_surface (cr, priv->origin_surface, 0, - (height * progress), 0, page_area); - } -} - -static void -ev_transition_animation_fade (cairo_t *cr, - EvTransitionAnimation *animation, - EvTransitionEffect *effect, - gdouble progress, - GdkRectangle page_area) -{ - EvTransitionAnimationPriv *priv; - - priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation); - - paint_surface (cr, priv->origin_surface, 0, 0, 0, page_area); - paint_surface (cr, priv->dest_surface, 0, 0, progress, page_area); -} - -void -ev_transition_animation_paint (EvTransitionAnimation *animation, - cairo_t *cr, - GdkRectangle page_area) -{ - EvTransitionAnimationPriv *priv; - EvTransitionEffectType type; - gdouble progress; - - g_return_if_fail (EV_IS_TRANSITION_ANIMATION (animation)); - - priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation); - g_object_get (priv->effect, "type", &type, NULL); - progress = ev_timeline_get_progress (EV_TIMELINE (animation)); - - if (!priv->dest_surface) { - /* animation is still not ready, paint the origin surface */ - paint_surface (cr, priv->origin_surface, 0, 0, 0, page_area); - return; - } - - switch (type) { - case EV_TRANSITION_EFFECT_REPLACE: - /* just paint the destination slide */ - paint_surface (cr, priv->dest_surface, 0, 0, 0, page_area); - break; - case EV_TRANSITION_EFFECT_SPLIT: - ev_transition_animation_split (cr, animation, priv->effect, progress, page_area); - break; - case EV_TRANSITION_EFFECT_BLINDS: - ev_transition_animation_blinds (cr, animation, priv->effect, progress, page_area); - break; - case EV_TRANSITION_EFFECT_BOX: - ev_transition_animation_box (cr, animation, priv->effect, progress, page_area); - break; - case EV_TRANSITION_EFFECT_WIPE: - ev_transition_animation_wipe (cr, animation, priv->effect, progress, page_area); - break; - case EV_TRANSITION_EFFECT_DISSOLVE: - ev_transition_animation_dissolve (cr, animation, priv->effect, progress, page_area); - break; - case EV_TRANSITION_EFFECT_PUSH: - ev_transition_animation_push (cr, animation, priv->effect, progress, page_area); - break; - case EV_TRANSITION_EFFECT_COVER: - ev_transition_animation_cover (cr, animation, priv->effect, progress, page_area); - break; - case EV_TRANSITION_EFFECT_UNCOVER: - ev_transition_animation_uncover (cr, animation, priv->effect, progress, page_area); - break; - case EV_TRANSITION_EFFECT_FADE: - ev_transition_animation_fade (cr, animation, priv->effect, progress, page_area); - break; - default: { - GEnumValue *enum_value; - - enum_value = g_enum_get_value (g_type_class_peek (EV_TYPE_TRANSITION_EFFECT_TYPE), type); - - g_warning ("Unimplemented transition animation: '%s', " - "please post a bug report in Evince bugzilla " - "(http://bugzilla.gnome.org) with a testcase.", - enum_value->value_nick); - - /* just paint the destination slide */ - paint_surface (cr, priv->dest_surface, 0, 0, 0, page_area); - } - } -} - -EvTransitionAnimation * -ev_transition_animation_new (EvTransitionEffect *effect) -{ - g_return_val_if_fail (EV_IS_TRANSITION_EFFECT (effect), NULL); - - return g_object_new (EV_TYPE_TRANSITION_ANIMATION, - "effect", effect, - NULL); -} - -void -ev_transition_animation_set_origin_surface (EvTransitionAnimation *animation, - cairo_surface_t *origin_surface) -{ - EvTransitionAnimationPriv *priv; - cairo_surface_t *surface; - - g_return_if_fail (EV_IS_TRANSITION_ANIMATION (animation)); - - priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation); - - surface = cairo_surface_reference (origin_surface); - - if (priv->origin_surface) - cairo_surface_destroy (priv->origin_surface); - - priv->origin_surface = surface; - g_object_notify (G_OBJECT (animation), "origin-surface"); - - if (priv->origin_surface && priv->dest_surface) - ev_timeline_start (EV_TIMELINE (animation)); -} - -void -ev_transition_animation_set_dest_surface (EvTransitionAnimation *animation, - cairo_surface_t *dest_surface) -{ - EvTransitionAnimationPriv *priv; - cairo_surface_t *surface; - - g_return_if_fail (EV_IS_TRANSITION_ANIMATION (animation)); - - priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation); - - surface = cairo_surface_reference (dest_surface); - - if (priv->dest_surface) - cairo_surface_destroy (priv->dest_surface); - - priv->dest_surface = surface; - g_object_notify (G_OBJECT (animation), "dest-surface"); - - if (priv->origin_surface && priv->dest_surface) - ev_timeline_start (EV_TIMELINE (animation)); -} - -gboolean -ev_transition_animation_ready (EvTransitionAnimation *animation) -{ - EvTransitionAnimationPriv *priv; - - g_return_val_if_fail (EV_IS_TRANSITION_ANIMATION (animation), FALSE); - - priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation); - - return (priv->origin_surface && priv->dest_surface); -} diff --git a/shell/ev-transition-animation.h b/shell/ev-transition-animation.h deleted file mode 100644 index 522caf2..0000000 --- a/shell/ev-transition-animation.h +++ /dev/null @@ -1,68 +0,0 @@ -/* ev-transition-animation.h - * this file is part of evince, a gnome document viewer - * - * Copyright (C) 2007 Carlos Garnacho - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - */ - -#ifndef __EV_TRANSITION_ANIMATION_H__ -#define __EV_TRANSITION_ANIMATION_H__ - -#include "ev-timeline.h" -#include "ev-transition-effect.h" - -G_BEGIN_DECLS - -#define EV_TYPE_TRANSITION_ANIMATION (ev_transition_animation_get_type ()) -#define EV_TRANSITION_ANIMATION(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), EV_TYPE_TRANSITION_ANIMATION, EvTransitionAnimation)) -#define EV_TRANSITION_ANIMATION_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_TRANSITION_ANIMATION, EvTransitionAnimationClass)) -#define EV_IS_TRANSITION_ANIMATION(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EV_TYPE_TRANSITION_ANIMATION)) -#define EV_IS_TRANSITION_ANIMATION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_TRANSITION_ANIMATION)) -#define EV_TRANSITION_ANIMATION_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_TRANSITION_ANIMATION, EvTransitionAnimationClass)) - -typedef struct EvTransitionAnimation EvTransitionAnimation; -typedef struct EvTransitionAnimationClass EvTransitionAnimationClass; - -struct EvTransitionAnimation { - EvTimeline parent_instance; -}; - -struct EvTransitionAnimationClass { - EvTimelineClass parent_class; -}; - - -GType ev_transition_animation_get_type (void) G_GNUC_CONST; - -EvTransitionAnimation * ev_transition_animation_new (EvTransitionEffect *effect); - -void ev_transition_animation_set_origin_surface (EvTransitionAnimation *animation, - cairo_surface_t *origin_surface); -void ev_transition_animation_set_dest_surface (EvTransitionAnimation *animation, - cairo_surface_t *origin_surface); -gint ev_transition_animation_get_page_from (EvTransitionAnimation *animation); -gint ev_transition_animation_get_page_to (EvTransitionAnimation *animation); - -void ev_transition_animation_paint (EvTransitionAnimation *animation, - cairo_t *cr, - GdkRectangle page_area); -gboolean ev_transition_animation_ready (EvTransitionAnimation *animation); - - -G_END_DECLS - -#endif /* __EV_TRANSITION_ANIMATION_H__ */ diff --git a/shell/ev-view-accessible.c b/shell/ev-view-accessible.c deleted file mode 100644 index 3bf28d9..0000000 --- a/shell/ev-view-accessible.c +++ /dev/null @@ -1,563 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */ -/* this file is part of evince, a gnome document viewer - * - * Copyright (C) 2004 Red Hat, Inc - * - * Evince is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * Evince is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. - */ - -#include -#include - -#include "ev-view-accessible.h" -#include "ev-view-private.h" - -#define EV_TYPE_VIEW_ACCESSIBLE (ev_view_accessible_get_type ()) -#define EV_VIEW_ACCESSIBLE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), EV_TYPE_VIEW_ACCESSIBLE, EvViewAccessible)) -#define EV_IS_VIEW_ACCESSIBLE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EV_TYPE_VIEW_ACCESSIBLE)) - -static GType ev_view_accessible_get_type (void); - -enum { - ACTION_SCROLL_UP, - ACTION_SCROLL_DOWN, - LAST_ACTION -}; - -static const gchar *const ev_view_accessible_action_names[] = -{ - N_("Scroll Up"), - N_("Scroll Down"), - NULL -}; - -static const gchar *const ev_view_accessible_action_descriptions[] = -{ - N_("Scroll View Up"), - N_("Scroll View Down"), - NULL -}; - -typedef struct { - /* Action */ - gchar *action_descriptions[LAST_ACTION]; - guint action_idle_handler; - GtkScrollType idle_scroll; -} EvViewAccessiblePriv; - -typedef GtkAccessibleClass EvViewAccessibleClass; - -#define EV_VIEW_ACCESSIBLE_GET_PRIVATE(inst) (G_TYPE_INSTANCE_GET_PRIVATE ((inst), EV_TYPE_VIEW_ACCESSIBLE, EvViewAccessiblePriv)) - -static void -ev_view_accessible_finalize (GObject *object) -{ - EvViewAccessiblePriv *priv = EV_VIEW_ACCESSIBLE_GET_PRIVATE (object); - int i; - - if (priv->action_idle_handler) - g_source_remove (priv->action_idle_handler); - for (i = 0; i < LAST_ACTION; i++) - g_free (priv->action_descriptions [i]); -} - -static void ev_view_accessible_class_init (EvViewAccessibleClass *klass) -{ - GObjectClass *object_class = G_OBJECT_CLASS (klass); - - object_class->finalize = ev_view_accessible_finalize; - - g_type_class_add_private (klass, sizeof (EvViewAccessiblePriv)); -} - -static gchar* -ev_view_accessible_get_text (AtkText *text, - gint start_pos, - gint end_pos) -{ - GtkWidget *widget; - - widget = GTK_ACCESSIBLE (text)->widget; - if (widget == NULL) - /* State is defunct */ - return NULL; - - return NULL; -} - -static gunichar -ev_view_accessible_get_character_at_offset (AtkText *text, - gint offset) -{ - GtkWidget *widget; - - widget = GTK_ACCESSIBLE (text)->widget; - if (widget == NULL) - /* State is defunct */ - return '\0'; - - return '\0'; -} - -static gchar* -ev_view_accessible_get_text_before_offset (AtkText *text, - gint offset, - AtkTextBoundary boundary_type, - gint *start_offset, - gint *end_offset) -{ - GtkWidget *widget; - - widget = GTK_ACCESSIBLE (text)->widget; - if (widget == NULL) - /* State is defunct */ - return NULL; - - return NULL; -} - -static gchar* -ev_view_accessible_get_text_at_offset (AtkText *text, - gint offset, - AtkTextBoundary boundary_type, - gint *start_offset, - gint *end_offset) -{ - GtkWidget *widget; - - widget = GTK_ACCESSIBLE (text)->widget; - if (widget == NULL) - /* State is defunct */ - return NULL; - - return NULL; -} - -static gchar* -ev_view_accessible_get_text_after_offset (AtkText *text, - gint offset, - AtkTextBoundary boundary_type, - gint *start_offset, - gint *end_offset) -{ - GtkWidget *widget; - - widget = GTK_ACCESSIBLE (text)->widget; - if (widget == NULL) - /* State is defunct */ - return NULL; - - return NULL; -} - -static gint -ev_view_accessible_get_character_count (AtkText *text) -{ - GtkWidget *widget; - - widget = GTK_ACCESSIBLE (text)->widget; - if (widget == NULL) - /* State is defunct */ - return 0; - - return 0; -} - -static gint -ev_view_accessible_get_caret_offset (AtkText *text) -{ - GtkWidget *widget; - - widget = GTK_ACCESSIBLE (text)->widget; - if (widget == NULL) - /* State is defunct */ - return 0; - - return 0; -} - -static gboolean -ev_view_accessible_set_caret_offset (AtkText *text, gint offset) -{ - GtkWidget *widget; - - widget = GTK_ACCESSIBLE (text)->widget; - if (widget == NULL) - /* State is defunct */ - return FALSE; - - return FALSE; -} - -static AtkAttributeSet* -ev_view_accessible_get_run_attributes (AtkText *text, - gint offset, - gint *start_offset, - gint *end_offset) -{ - GtkWidget *widget; - - widget = GTK_ACCESSIBLE (text)->widget; - if (widget == NULL) - /* State is defunct */ - return NULL; - - return NULL; -} - -static AtkAttributeSet* -ev_view_accessible_get_default_attributes (AtkText *text) -{ - GtkWidget *widget; - - widget = GTK_ACCESSIBLE (text)->widget; - if (widget == NULL) - /* State is defunct */ - return NULL; - - return NULL; -} - -static void -ev_view_accessible_get_character_extents (AtkText *text, - gint offset, - gint *x, - gint *y, - gint *width, - gint *height, - AtkCoordType coords) -{ - GtkWidget *widget; - - widget = GTK_ACCESSIBLE (text)->widget; - if (widget == NULL) - /* State is defunct */ - return; - - return; -} - -static gint -ev_view_accessible_get_offset_at_point (AtkText *text, - gint x, - gint y, - AtkCoordType coords) -{ - GtkWidget *widget; - - widget = GTK_ACCESSIBLE (text)->widget; - if (widget == NULL) - /* State is defunct */ - return -1; - - return -1; -} - -static gint -ev_view_accessible_get_n_selections (AtkText *text) -{ - GtkWidget *widget; - - widget = GTK_ACCESSIBLE (text)->widget; - if (widget == NULL) - /* State is defunct */ - return -1; - - return -1; -} - -static gchar* -ev_view_accessible_get_selection (AtkText *text, - gint selection_num, - gint *start_pos, - gint *end_pos) -{ - GtkWidget *widget; - - widget = GTK_ACCESSIBLE (text)->widget; - if (widget == NULL) - /* State is defunct */ - return NULL; - - return NULL; -} - -static gboolean -ev_view_accessible_add_selection (AtkText *text, - gint start_pos, - gint end_pos) -{ - GtkWidget *widget; - - widget = GTK_ACCESSIBLE (text)->widget; - if (widget == NULL) - /* State is defunct */ - return FALSE; - - return FALSE; -} - -static gboolean -ev_view_accessible_remove_selection (AtkText *text, - gint selection_num) -{ - GtkWidget *widget; - - widget = GTK_ACCESSIBLE (text)->widget; - if (widget == NULL) - /* State is defunct */ - return FALSE; - - return FALSE; -} - -static gboolean -ev_view_accessible_set_selection (AtkText *text, - gint selection_num, - gint start_pos, - gint end_pos) -{ - GtkWidget *widget; - - widget = GTK_ACCESSIBLE (text)->widget; - if (widget == NULL) - /* State is defunct */ - return FALSE; - - return FALSE; -} - - -static void ev_view_accessible_text_iface_init (AtkTextIface * iface) -{ - g_return_if_fail (iface != NULL); - - iface->get_text = ev_view_accessible_get_text; - iface->get_character_at_offset = ev_view_accessible_get_character_at_offset; - iface->get_text_before_offset = ev_view_accessible_get_text_before_offset; - iface->get_text_at_offset = ev_view_accessible_get_text_at_offset; - iface->get_text_after_offset = ev_view_accessible_get_text_after_offset; - iface->get_caret_offset = ev_view_accessible_get_caret_offset; - iface->set_caret_offset = ev_view_accessible_set_caret_offset; - iface->get_character_count = ev_view_accessible_get_character_count; - iface->get_n_selections = ev_view_accessible_get_n_selections; - iface->get_selection = ev_view_accessible_get_selection; - iface->add_selection = ev_view_accessible_add_selection; - iface->remove_selection = ev_view_accessible_remove_selection; - iface->set_selection = ev_view_accessible_set_selection; - iface->get_run_attributes = ev_view_accessible_get_run_attributes; - iface->get_default_attributes = ev_view_accessible_get_default_attributes; - iface->get_character_extents = ev_view_accessible_get_character_extents; - iface->get_offset_at_point = ev_view_accessible_get_offset_at_point; - return; -} - -static gboolean -ev_view_accessible_idle_do_action (gpointer data) -{ - EvViewAccessiblePriv* priv = EV_VIEW_ACCESSIBLE_GET_PRIVATE (data); - - ev_view_scroll (EV_VIEW (GTK_ACCESSIBLE (data)->widget), - priv->idle_scroll, - FALSE); - priv->action_idle_handler = 0; - return FALSE; -} - -static gboolean -ev_view_accessible_action_do_action (AtkAction *action, - gint i) -{ - EvViewAccessiblePriv* priv = EV_VIEW_ACCESSIBLE_GET_PRIVATE (action); - - if (GTK_ACCESSIBLE (action)->widget == NULL) - return FALSE; - - if (priv->action_idle_handler) - return FALSE; - - switch (i) { - case ACTION_SCROLL_UP: - priv->idle_scroll = GTK_SCROLL_PAGE_BACKWARD; - break; - case ACTION_SCROLL_DOWN: - priv->idle_scroll = GTK_SCROLL_PAGE_FORWARD; - break; - default: - return FALSE; - } - priv->action_idle_handler = g_idle_add (ev_view_accessible_idle_do_action, - action); - return TRUE; -} - -static gint -ev_view_accessible_action_get_n_actions (AtkAction *action) -{ - return LAST_ACTION; -} - -static const gchar * -ev_view_accessible_action_get_description (AtkAction *action, - gint i) -{ - EvViewAccessiblePriv* priv = EV_VIEW_ACCESSIBLE_GET_PRIVATE (action); - - if (i < 0 || i >= LAST_ACTION) - return NULL; - - if (priv->action_descriptions[i]) - return priv->action_descriptions[i]; - else - return ev_view_accessible_action_descriptions[i]; -} - -static const gchar * -ev_view_accessible_action_get_name (AtkAction *action, - gint i) -{ - if (i < 0 || i >= LAST_ACTION) - return NULL; - - return ev_view_accessible_action_names[i]; -} - -static gboolean -ev_view_accessible_action_set_description (AtkAction *action, - gint i, - const gchar *description) -{ - EvViewAccessiblePriv* priv = EV_VIEW_ACCESSIBLE_GET_PRIVATE (action); - gchar *old_description; - - if (i < 0 || i >= LAST_ACTION) - return FALSE; - - old_description = priv->action_descriptions[i]; - priv->action_descriptions[i] = g_strdup (description); - g_free (old_description); - - return TRUE; -} - -static void ev_view_accessible_action_iface_init (AtkActionIface * iface) -{ - iface->do_action = ev_view_accessible_action_do_action; - iface->get_n_actions = ev_view_accessible_action_get_n_actions; - iface->get_description = ev_view_accessible_action_get_description; - iface->get_name = ev_view_accessible_action_get_name; - iface->set_description = ev_view_accessible_action_set_description; -} - -GType ev_view_accessible_get_type (void) -{ - static GType type = 0; - - if (G_UNLIKELY (type == 0)) { - GTypeInfo tinfo = { - 0, /* class size */ - (GBaseInitFunc) NULL, /* base init */ - (GBaseFinalizeFunc) NULL, /* base finalize */ - (GClassInitFunc) ev_view_accessible_class_init, /* class init */ - (GClassFinalizeFunc) NULL, /* class finalize */ - NULL, /* class data */ - 0, /* instance size */ - 0, /* nb preallocs */ - (GInstanceInitFunc) NULL, /* instance init */ - NULL /* value table */ - }; - - const GInterfaceInfo atk_text_info = { - (GInterfaceInitFunc) - ev_view_accessible_text_iface_init, - (GInterfaceFinalizeFunc) NULL, - NULL - }; - - const GInterfaceInfo atk_action_info = { - (GInterfaceInitFunc) - ev_view_accessible_action_iface_init, - (GInterfaceFinalizeFunc) NULL, - NULL - }; - /* - * Figure out the size of the class and instance - * we are deriving from - */ - AtkObjectFactory *factory; - GType derived_type; - GTypeQuery query; - GType derived_atk_type; - - derived_type = g_type_parent (EV_TYPE_VIEW); - factory = atk_registry_get_factory (atk_get_default_registry (), - derived_type); - derived_atk_type = atk_object_factory_get_accessible_type (factory); - - g_type_query (derived_atk_type, &query); - tinfo.class_size = query.class_size; - tinfo.instance_size = query.instance_size; - - type = g_type_register_static (derived_atk_type, "EvViewAccessible", - &tinfo, 0); - g_type_add_interface_static (type, ATK_TYPE_TEXT, - &atk_text_info); - g_type_add_interface_static (type, ATK_TYPE_ACTION, - &atk_action_info); - } - - return type; -} - -static AtkObject *ev_view_accessible_new(GObject * obj) -{ - AtkObject *accessible; - - g_return_val_if_fail(EV_IS_VIEW (obj), NULL); - - accessible = g_object_new (ev_view_accessible_get_type (), NULL); - atk_object_initialize (accessible, obj); - - atk_object_set_name (ATK_OBJECT (accessible), _("Document View")); - atk_object_set_role (ATK_OBJECT (accessible), ATK_ROLE_UNKNOWN); - - return accessible; -} - -typedef AtkObjectFactory EvViewAccessibleFactory; -typedef AtkObjectFactoryClass EvViewAccessibleFactoryClass; - -static void ev_view_accessible_factory_init (EvViewAccessibleFactory *factory) -{ -} - -static GType ev_view_accessible_factory_get_accessible_type(void) -{ - return ev_view_accessible_get_type(); -} - -static AtkObject *ev_view_accessible_factory_create_accessible (GObject * obj) -{ - return ev_view_accessible_new(obj); -} - -static void ev_view_accessible_factory_class_init (AtkObjectFactoryClass * klass) -{ - klass->create_accessible = ev_view_accessible_factory_create_accessible; - klass->get_accessible_type = - ev_view_accessible_factory_get_accessible_type; -} - -G_DEFINE_TYPE (EvViewAccessibleFactory, ev_view_accessible_factory, ATK_TYPE_OBJECT_FACTORY) diff --git a/shell/ev-view-accessible.h b/shell/ev-view-accessible.h deleted file mode 100644 index c29c471..0000000 --- a/shell/ev-view-accessible.h +++ /dev/null @@ -1,29 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */ -/* this file is part of evince, a gnome document viewer - * - * Copyright (C) 2004 Red Hat, Inc - * - * Evince is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * Evince is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. - */ - -#ifndef __EV_VIEW_ACCESSIBLE_H__ -#define __EV_VIEW_ACCESSIBLE_H__ - -#include "ev-view.h" - -GType ev_view_accessible_factory_get_type (void); - -#endif /* __EV_VIEW_ACCESSIBLE_H__ */ - diff --git a/shell/ev-view-private.h b/shell/ev-view-private.h deleted file mode 100644 index c894440..0000000 --- a/shell/ev-view-private.h +++ /dev/null @@ -1,195 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */ -/* this file is part of evince, a gnome document viewer - * - * Copyright (C) 2004 Red Hat, Inc - * - * Evince is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * Evince is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. - */ - -#ifndef __EV_VIEW_PRIVATE_H__ -#define __EV_VIEW_PRIVATE_H__ - -#include "ev-view.h" -#include "ev-pixbuf-cache.h" -#include "ev-page-cache.h" -#include "ev-jobs.h" -#include "ev-image.h" -#include "ev-form-field.h" -#include "ev-selection.h" -#include "ev-transition-animation.h" - -#define DRAG_HISTORY 10 - -/* Information for middle clicking and moving around the doc */ -typedef struct { - gboolean in_drag; - GdkPoint start; - gdouble hadj; - gdouble vadj; - guint drag_timeout_id; - guint release_timeout_id; - GdkPoint buffer[DRAG_HISTORY]; - GdkPoint momentum; -} DragInfo; - -/* Autoscrolling */ -typedef struct { - gboolean autoscrolling; - guint last_y; - guint start_y; - guint timeout_id; -} AutoScrollInfo; - -/* Information for handling selection */ -typedef struct { - gboolean in_drag; - GdkPoint start; - gboolean in_selection; - GList *selections; - EvSelectionStyle style; -} SelectionInfo; - -/* Information for handling images DND */ -typedef struct { - gboolean in_drag; - GdkPoint start; - EvImage *image; -} ImageDNDInfo; - -typedef enum { - SCROLL_TO_KEEP_POSITION, - SCROLL_TO_PAGE_POSITION, - SCROLL_TO_CENTER, - SCROLL_TO_FIND_LOCATION, -} PendingScroll; - -typedef enum { - EV_VIEW_CURSOR_NORMAL, - EV_VIEW_CURSOR_IBEAM, - EV_VIEW_CURSOR_LINK, - EV_VIEW_CURSOR_WAIT, - EV_VIEW_CURSOR_HIDDEN, - EV_VIEW_CURSOR_DRAG, - EV_VIEW_CURSOR_AUTOSCROLL, -} EvViewCursor; - -typedef enum { - EV_PRESENTATION_NORMAL, - EV_PRESENTATION_BLACK, - EV_PRESENTATION_WHITE, - EV_PRESENTATION_END -} EvPresentationState; - -struct _EvView { - GtkLayout layout; - - EvDocument *document; - - /* Find */ - GList **find_pages; - gint find_result; - gboolean jump_to_find_result; - gboolean highlight_find_results; - - EvPageCache *page_cache; - EvPixbufCache *pixbuf_cache; - EvViewCursor cursor; - EvJobRender *current_job; - - /* Scrolling */ - GtkAdjustment *hadjustment; - GtkAdjustment *vadjustment; - - gint scroll_x; - gint scroll_y; - - PendingScroll pending_scroll; - gboolean pending_resize; - EvPoint pending_point; - - /* Current geometry */ - - gint start_page; - gint end_page; - gint current_page; - - gint rotation; - gdouble scale; - gint spacing; - gdouble dpi; - gdouble max_scale; - gdouble min_scale; - - gboolean loading; - gboolean continuous; - gboolean dual_page; - gboolean fullscreen; - gboolean presentation; - EvSizingMode sizing_mode; - cairo_surface_t *loading_text; - - /* Presentation */ - EvPresentationState presentation_state; - EvSizingMode sizing_mode_saved; - double scale_saved; - guint trans_timeout_id; - - /* Common for button press handling */ - int pressed_button; - - /* Information for middle clicking and dragging around. */ - DragInfo drag_info; - - /* Autoscrolling */ - AutoScrollInfo scroll_info; - - /* Selection */ - GdkPoint motion; - guint selection_update_id; - guint selection_scroll_id; - - EvViewSelectionMode selection_mode; - SelectionInfo selection_info; - - /* Copy link address selection */ - EvLinkAction *link_selected; - - /* Image DND */ - ImageDNDInfo image_dnd_info; - - /* Goto Popup */ - GtkWidget *goto_window; - GtkWidget *goto_entry; - - EvTransitionAnimation *animation; -}; - -struct _EvViewClass { - GtkLayoutClass parent_class; - - void (*binding_activated) (EvView *view, - GtkScrollType scroll, - gboolean horizontal); - void (*zoom_invalid) (EvView *view); - void (*handle_link) (EvView *view, - EvLink *link); - void (*external_link) (EvView *view, - EvLinkAction *action); - void (*popup_menu) (EvView *view, - EvLink *link); -}; - -#endif /* __EV_VIEW_PRIVATE_H__ */ - diff --git a/shell/ev-view.c b/shell/ev-view.c deleted file mode 100644 index b8964b1..0000000 --- a/shell/ev-view.c +++ /dev/null @@ -1,5891 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */ -/* this file is part of evince, a gnome document viewer - * - * Copyright (C) 2004 Red Hat, Inc - * - * Evince is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * Evince is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. - */ - -#include "config.h" - -#include -#include -#include - -#include -#include -#include - -#include "ev-document-forms.h" -#include "ev-document-images.h" -#include "ev-document-links.h" -#include "ev-document-misc.h" -#include "ev-document-transition.h" -#include "ev-marshal.h" -#include "ev-page-cache.h" -#include "ev-pixbuf-cache.h" -#include "ev-transition-animation.h" -#include "ev-utils.h" -#include "ev-view.h" -#include "ev-view-private.h" - -#define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass)) -#define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW)) -#define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass)) - -enum { - PROP_0, - PROP_CONTINUOUS, - PROP_DUAL_PAGE, - PROP_FULLSCREEN, - PROP_PRESENTATION, - PROP_SIZING_MODE, - PROP_ZOOM, - PROP_ROTATION, - PROP_HAS_SELECTION, -}; - -enum { - SIGNAL_BINDING_ACTIVATED, - SIGNAL_ZOOM_INVALID, - SIGNAL_HANDLE_LINK, - SIGNAL_EXTERNAL_LINK, - SIGNAL_POPUP_MENU, - N_SIGNALS, -}; - -enum { - TARGET_DND_URI, - TARGET_DND_TEXT, - TARGET_DND_IMAGE -}; - -enum { - TARGET_STRING, - TARGET_TEXT, - TARGET_COMPOUND_TEXT, - TARGET_UTF8_STRING, - TARGET_TEXT_BUFFER_CONTENTS -}; - -static const GtkTargetEntry clipboard_targets[] = { - { "STRING", 0, TARGET_STRING }, - { "TEXT", 0, TARGET_TEXT }, - { "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT }, - { "UTF8_STRING", 0, TARGET_UTF8_STRING }, -}; - -static guint signals[N_SIGNALS]; - -typedef enum { - EV_VIEW_FIND_NEXT, - EV_VIEW_FIND_PREV -} EvViewFindDirection; - -#define ZOOM_IN_FACTOR 1.2 -#define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR) - -#define MIN_SCALE 0.05409 -#define MAX_SCALE 4.0 - -#define SCROLL_TIME 150 - -/*** Scrolling ***/ -static void scroll_to_current_page (EvView *view, - GtkOrientation orientation); -static void ev_view_set_scroll_adjustments (GtkLayout *layout, - GtkAdjustment *hadjustment, - GtkAdjustment *vadjustment); -static void view_update_range_and_current_page (EvView *view); -static void set_scroll_adjustment (EvView *view, - GtkOrientation orientation, - GtkAdjustment *adjustment); -static void add_scroll_binding_keypad (GtkBindingSet *binding_set, - guint keyval, - GdkModifierType modifiers, - GtkScrollType scroll, - gboolean horizontal); -static void ensure_rectangle_is_visible (EvView *view, - GdkRectangle *rect); - -/*** Geometry computations ***/ -static void compute_border (EvView *view, - int width, - int height, - GtkBorder *border); -static void get_page_y_offset (EvView *view, - int page, - double zoom, - int *y_offset); -static gboolean get_page_extents (EvView *view, - gint page, - GdkRectangle *page_area, - GtkBorder *border); -static void view_rect_to_doc_rect (EvView *view, - GdkRectangle *view_rect, - GdkRectangle *page_area, - EvRectangle *doc_rect); -static void doc_rect_to_view_rect (EvView *view, - int page, - EvRectangle *doc_rect, - GdkRectangle *view_rect); -static void find_page_at_location (EvView *view, - gdouble x, - gdouble y, - gint *page, - gint *x_offset, - gint *y_offset); -static gboolean doc_point_to_view_point (EvView *view, - int page, - EvPoint *doc_point, - GdkPoint *view_point); -/*** Hyperrefs ***/ -static EvLink * ev_view_get_link_at_location (EvView *view, - gdouble x, - gdouble y); -static char* tip_from_link (EvView *view, - EvLink *link); -/*** Forms ***/ -static EvFormField *ev_view_get_form_field_at_location (EvView *view, - gdouble x, - gdouble y); - -/*** GtkWidget implementation ***/ -static void ev_view_size_request_continuous_dual_page (EvView *view, - GtkRequisition *requisition); -static void ev_view_size_request_continuous (EvView *view, - GtkRequisition *requisition); -static void ev_view_size_request_dual_page (EvView *view, - GtkRequisition *requisition); -static void ev_view_size_request_single_page (EvView *view, - GtkRequisition *requisition); -static void ev_view_size_request (GtkWidget *widget, - GtkRequisition *requisition); -static void ev_view_size_allocate (GtkWidget *widget, - GtkAllocation *allocation); -static void ev_view_realize (GtkWidget *widget); -static gboolean ev_view_scroll_event (GtkWidget *widget, - GdkEventScroll *event); -static gboolean ev_view_expose_event (GtkWidget *widget, - GdkEventExpose *event); -static gboolean ev_view_popup_menu (GtkWidget *widget); -static gboolean ev_view_button_press_event (GtkWidget *widget, - GdkEventButton *event); -static gboolean ev_view_motion_notify_event (GtkWidget *widget, - GdkEventMotion *event); -static gboolean ev_view_button_release_event (GtkWidget *widget, - GdkEventButton *event); -static gboolean ev_view_enter_notify_event (GtkWidget *widget, - GdkEventCrossing *event); -static gboolean ev_view_leave_notify_event (GtkWidget *widget, - GdkEventCrossing *event); -static void ev_view_style_set (GtkWidget *widget, - GtkStyle *old_style); -static void ev_view_remove_all (EvView *view); - -static AtkObject *ev_view_get_accessible (GtkWidget *widget); - -/*** Drawing ***/ -static guint32 ev_gdk_color_to_rgb (const GdkColor *color); -static void draw_rubberband (GtkWidget *widget, - GdkWindow *window, - const GdkRectangle *rect, - guchar alpha); -static void highlight_find_results (EvView *view, - int page); -static void draw_one_page (EvView *view, - gint page, - cairo_t *cr, - GdkRectangle *page_area, - GtkBorder *border, - GdkRectangle *expose_area, - gboolean *page_ready); -static void draw_loading_text (EvView *view, - GdkRectangle *page_area, - GdkRectangle *expose_area); -static void ev_view_reload_page (EvView *view, - gint page, - GdkRegion *region); - -/*** Callbacks ***/ -static void job_finished_cb (EvPixbufCache *pixbuf_cache, - GdkRegion *region, - EvView *view); -static void page_changed_cb (EvPageCache *page_cache, - int new_page, - EvView *view); -static void on_adjustment_value_changed (GtkAdjustment *adjustment, - EvView *view); - -/*** GObject ***/ -static void ev_view_finalize (GObject *object); -static void ev_view_destroy (GtkObject *object); -static void ev_view_set_property (GObject *object, - guint prop_id, - const GValue *value, - GParamSpec *pspec); -static void ev_view_get_property (GObject *object, - guint prop_id, - GValue *value, - GParamSpec *pspec); -static void ev_view_class_init (EvViewClass *class); -static void ev_view_init (EvView *view); - -/*** Zoom and sizing ***/ -static double zoom_for_size_fit_width (int doc_width, - int doc_height, - int target_width, - int target_height, - int vsb_width); -static double zoom_for_size_fit_height (int doc_width, - int doc_height, - int target_width, - int target_height, - int vsb_height); -static double zoom_for_size_best_fit (int doc_width, - int doc_height, - int target_width, - int target_height, - int vsb_width, - int hsb_width); -static void ev_view_zoom_for_size_presentation (EvView *view, - int width, - int height); -static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view, - int width, - int height, - int vsb_width, - int hsb_height); -static void ev_view_zoom_for_size_continuous (EvView *view, - int width, - int height, - int vsb_width, - int hsb_height); -static void ev_view_zoom_for_size_dual_page (EvView *view, - int width, - int height, - int vsb_width, - int hsb_height); -static void ev_view_zoom_for_size_single_page (EvView *view, - int width, - int height, - int vsb_width, - int hsb_height); -/*** Cursors ***/ -static GdkCursor* ev_view_create_invisible_cursor (void); -static void ev_view_set_cursor (EvView *view, - EvViewCursor new_cursor); -static void ev_view_handle_cursor_over_xy (EvView *view, - gint x, - gint y); - -/*** Find ***/ -static gint ev_view_find_get_n_results (EvView *view, - gint page); -static EvRectangle *ev_view_find_get_result (EvView *view, - gint page, - gint result); -static void jump_to_find_result (EvView *view); -static void jump_to_find_page (EvView *view, - EvViewFindDirection direction, - gint shift); - -/*** Selection ***/ -static void compute_selections (EvView *view, - EvSelectionStyle style, - GdkPoint *start, - GdkPoint *stop); -static void clear_selection (EvView *view); -static void clear_link_selected (EvView *view); -static void selection_free (EvViewSelection *selection); -static char* get_selected_text (EvView *ev_view); -static void ev_view_primary_get_cb (GtkClipboard *clipboard, - GtkSelectionData *selection_data, - guint info, - gpointer data); -static void ev_view_primary_clear_cb (GtkClipboard *clipboard, - gpointer data); -static void ev_view_update_primary_selection (EvView *ev_view); - -/*** Presentation ***/ -static void ev_view_presentation_transition_start (EvView *ev_view); -static void ev_view_presentation_transition_stop (EvView *ev_view); - - -G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_LAYOUT) - -static void -scroll_to_current_page (EvView *view, GtkOrientation orientation) -{ - GdkPoint view_point; - - if (view->document == NULL) { - return; - } - - doc_point_to_view_point (view, view->current_page, &view->pending_point, &view_point); - - if (orientation == GTK_ORIENTATION_VERTICAL) { - view->pending_point.y = 0; - } else { - view->pending_point.x = 0; - } - - if (orientation == GTK_ORIENTATION_VERTICAL) { - if (view->continuous) { - gtk_adjustment_clamp_page (view->vadjustment, - view_point.y - view->spacing / 2, - view_point.y + view->vadjustment->page_size); - } else { - gtk_adjustment_set_value (view->vadjustment, - CLAMP (view_point.y, - view->vadjustment->lower, - view->vadjustment->upper - - view->vadjustment->page_size)); - } - } else { - if (view->dual_page) { - gtk_adjustment_clamp_page (view->hadjustment, - view_point.x, - view_point.x + view->hadjustment->page_size); - } else { - gtk_adjustment_set_value (view->hadjustment, - CLAMP (view_point.x, - view->hadjustment->lower, - view->hadjustment->upper - - view->hadjustment->page_size)); - } - } -} - -static void -view_set_adjustment_values (EvView *view, - GtkOrientation orientation) -{ - GtkWidget *widget = GTK_WIDGET (view); - GtkAdjustment *adjustment; - int requisition; - int allocation; - - double factor; - gint new_value; - - if (orientation == GTK_ORIENTATION_HORIZONTAL) { - requisition = widget->requisition.width; - allocation = widget->allocation.width; - adjustment = view->hadjustment; - } else { - requisition = widget->requisition.height; - allocation = widget->allocation.height; - adjustment = view->vadjustment; - } - - if (!adjustment) - return; - - factor = 1.0; - switch (view->pending_scroll) { - case SCROLL_TO_KEEP_POSITION: - case SCROLL_TO_FIND_LOCATION: - factor = (adjustment->value) / adjustment->upper; - break; - case SCROLL_TO_PAGE_POSITION: - break; - case SCROLL_TO_CENTER: - factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper; - break; - } - - adjustment->page_size = allocation; - adjustment->step_increment = allocation * 0.1; - adjustment->page_increment = allocation * 0.9; - adjustment->lower = 0; - adjustment->upper = MAX (allocation, requisition); - - /* - * We add 0.5 to the values before to average out our rounding errors. - */ - switch (view->pending_scroll) { - case SCROLL_TO_KEEP_POSITION: - case SCROLL_TO_FIND_LOCATION: - new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size); - gtk_adjustment_set_value (adjustment, (int)new_value); - break; - case SCROLL_TO_PAGE_POSITION: - scroll_to_current_page (view, orientation); - break; - case SCROLL_TO_CENTER: - new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5, - 0, adjustment->upper - adjustment->page_size); - gtk_adjustment_set_value (adjustment, (int)new_value); - break; - } - - gtk_adjustment_changed (adjustment); -} - -static void -view_update_range_and_current_page (EvView *view) -{ - gint current_page; - gint best_current_page = -1; - - /* Presentation trumps all other modes */ - if (view->presentation) { - view->start_page = view->current_page; - view->end_page = view->current_page; - } else if (view->continuous) { - GdkRectangle current_area, unused, page_area; - GtkBorder border; - gboolean found = FALSE; - gint area_max = -1, area; - int i; - - if (!(view->vadjustment && view->hadjustment)) - return; - - current_area.x = view->hadjustment->value; - current_area.width = view->hadjustment->upper; - current_area.y = view->vadjustment->value; - current_area.height = view->vadjustment->page_size; - - for (i = 0; i < ev_page_cache_get_n_pages (view->page_cache); i++) { - - get_page_extents (view, i, &page_area, &border); - - if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) { - area = unused.width * unused.height; - - if (!found) { - area_max = area; - view->start_page = i; - found = TRUE; - best_current_page = i; - } - if (area > area_max) { - best_current_page = (area == area_max) ? MIN (i, best_current_page) : i; - area_max = area; - } - - view->end_page = i; - } else if (found && view->current_page <= view->end_page) { - break; - } - } - - } else if (view->dual_page) { - if (view->current_page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) { - view->start_page = view->current_page; - if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) - view->end_page = view->start_page + 1; - else - view->end_page = view->start_page; - } else { - if (view->current_page < 1) - view->start_page = view->current_page; - else - view->start_page = view->current_page - 1; - view->end_page = view->current_page; - } - } else { - view->start_page = view->current_page; - view->end_page = view->current_page; - } - - best_current_page = MAX (best_current_page, view->start_page); - current_page = ev_page_cache_get_current_page (view->page_cache); - - if ((current_page != best_current_page) && (view->pending_scroll == SCROLL_TO_KEEP_POSITION)) { - view->current_page = best_current_page; - ev_page_cache_set_current_page (view->page_cache, best_current_page); - } - - ev_pixbuf_cache_set_page_range (view->pixbuf_cache, - view->start_page, - view->end_page, - view->rotation, - view->scale, - view->selection_info.selections); -} - -static void -set_scroll_adjustment (EvView *view, - GtkOrientation orientation, - GtkAdjustment *adjustment) -{ - GtkAdjustment **to_set; - - if (orientation == GTK_ORIENTATION_HORIZONTAL) - to_set = &view->hadjustment; - else - to_set = &view->vadjustment; - - if (*to_set != adjustment) { - if (*to_set) { - g_signal_handlers_disconnect_by_func (*to_set, - (gpointer) on_adjustment_value_changed, - view); - g_object_unref (*to_set); - } - - *to_set = adjustment; - view_set_adjustment_values (view, orientation); - - if (*to_set) { - g_object_ref (*to_set); - g_signal_connect (*to_set, "value_changed", - G_CALLBACK (on_adjustment_value_changed), view); - } - } -} - -static void -ev_view_set_scroll_adjustments (GtkLayout *layout, - GtkAdjustment *hadjustment, - GtkAdjustment *vadjustment) -{ - EvView *view = EV_VIEW (layout); - - set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment); - set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment); - - on_adjustment_value_changed (NULL, view); -} - -static void -add_scroll_binding_keypad (GtkBindingSet *binding_set, - guint keyval, - GdkModifierType modifiers, - GtkScrollType scroll, - gboolean horizontal) -{ - guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left; - - gtk_binding_entry_add_signal (binding_set, keyval, modifiers, - "binding_activated", 2, - GTK_TYPE_SCROLL_TYPE, scroll, - G_TYPE_BOOLEAN, horizontal); - gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers, - "binding_activated", 2, - GTK_TYPE_SCROLL_TYPE, scroll, - G_TYPE_BOOLEAN, horizontal); -} - -void -ev_view_scroll (EvView *view, - GtkScrollType scroll, - gboolean horizontal) -{ - GtkAdjustment *adjustment; - double value, increment; - gboolean first_page = FALSE; - gboolean last_page = FALSE; - - view->jump_to_find_result = FALSE; - - if (view->presentation || view->sizing_mode == EV_SIZING_BEST_FIT) { - switch (scroll) { - case GTK_SCROLL_PAGE_BACKWARD: - case GTK_SCROLL_STEP_BACKWARD: - ev_view_previous_page (view); - break; - case GTK_SCROLL_PAGE_FORWARD: - case GTK_SCROLL_STEP_FORWARD: - ev_view_next_page (view); - break; - default: - break; - } - return; - } - - /* Assign values for increment and vertical adjustment */ - adjustment = horizontal ? view->hadjustment : view->vadjustment; - increment = adjustment->page_size * 0.75; - value = adjustment->value; - - /* Assign boolean for first and last page */ - if (view->current_page == 0) - first_page = TRUE; - if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1) - last_page = TRUE; - - switch (scroll) { - case GTK_SCROLL_PAGE_BACKWARD: - /* Do not jump backwards if at the first page */ - if (value == (adjustment->lower) && first_page) { - /* Do nothing */ - /* At the top of a page, assign the upper bound limit of previous page */ - } else if (value == (adjustment->lower)) { - value = adjustment->upper - adjustment->page_size; - ev_view_previous_page (view); - /* Jump to the top */ - } else { - value = MAX (value - increment, adjustment->lower); - } - break; - case GTK_SCROLL_PAGE_FORWARD: - /* Do not jump forward if at the last page */ - if (value == (adjustment->upper - adjustment->page_size) && last_page) { - /* Do nothing */ - /* At the bottom of a page, assign the lower bound limit of next page */ - } else if (value == (adjustment->upper - adjustment->page_size)) { - value = 0; - ev_view_next_page (view); - /* Jump to the bottom */ - } else { - value = MIN (value + increment, adjustment->upper - adjustment->page_size); - } - break; - case GTK_SCROLL_STEP_BACKWARD: - value -= adjustment->step_increment; - break; - case GTK_SCROLL_STEP_FORWARD: - value += adjustment->step_increment; - break; - case GTK_SCROLL_STEP_DOWN: - value -= adjustment->step_increment / 10; - break; - case GTK_SCROLL_STEP_UP: - value += adjustment->step_increment / 10; - break; - default: - break; - } - - value = CLAMP (value, adjustment->lower, - adjustment->upper - adjustment->page_size); - - gtk_adjustment_set_value (adjustment, value); -} - -#define MARGIN 5 - -static void -ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect) -{ - GtkWidget *widget = GTK_WIDGET (view); - GtkAdjustment *adjustment; - int value; - - view->pending_scroll = SCROLL_TO_FIND_LOCATION; - - adjustment = view->vadjustment; - - if (rect->y < adjustment->value) { - value = MAX (adjustment->lower, rect->y - MARGIN); - gtk_adjustment_set_value (view->vadjustment, value); - } else if (rect->y + rect->height > - adjustment->value + widget->allocation.height) { - value = MIN (adjustment->upper, rect->y + rect->height - - widget->allocation.height + MARGIN); - gtk_adjustment_set_value (view->vadjustment, value); - } - - adjustment = view->hadjustment; - - if (rect->x < adjustment->value) { - value = MAX (adjustment->lower, rect->x - MARGIN); - gtk_adjustment_set_value (view->hadjustment, value); - } else if (rect->x + rect->height > - adjustment->value + widget->allocation.width) { - value = MIN (adjustment->upper, rect->x + rect->width - - widget->allocation.width + MARGIN); - gtk_adjustment_set_value (view->hadjustment, value); - } - - gtk_widget_queue_resize (GTK_WIDGET (view)); -} - -/*** Geometry computations ***/ - -static void -compute_border (EvView *view, int width, int height, GtkBorder *border) -{ - if (view->presentation) { - border->left = 0; - border->right = 0; - border->top = 0; - border->bottom = 0; - } else { - ev_document_misc_get_page_border_size (width, height, border); - } -} - -static void -get_page_y_offset (EvView *view, int page, double zoom, int *y_offset) -{ - int max_width, offset; - GtkBorder border; - - g_return_if_fail (y_offset != NULL); - - ev_page_cache_get_max_width (view->page_cache, view->rotation, zoom, &max_width); - - compute_border (view, max_width, max_width, &border); - - if (view->dual_page) { - ev_page_cache_get_height_to_page (view->page_cache, page, - view->rotation, zoom, NULL, &offset); - offset += ((page + ev_page_cache_get_dual_even_left (view->page_cache)) / 2 + 1) * view->spacing + ((page + ev_page_cache_get_dual_even_left (view->page_cache)) / 2 ) * (border.top + border.bottom); - } else { - ev_page_cache_get_height_to_page (view->page_cache, page, - view->rotation, zoom, &offset, NULL); - offset += (page + 1) * view->spacing + page * (border.top + border.bottom); - } - - *y_offset = offset; - return; -} - -static gboolean -get_page_extents (EvView *view, - gint page, - GdkRectangle *page_area, - GtkBorder *border) -{ - GtkWidget *widget; - int width, height; - - widget = GTK_WIDGET (view); - - /* Get the size of the page */ - ev_page_cache_get_size (view->page_cache, page, - view->rotation, - view->scale, - &width, &height); - compute_border (view, width, height, border); - page_area->width = width + border->left + border->right; - page_area->height = height + border->top + border->bottom; - - if (view->presentation) { - page_area->x = (MAX (0, widget->allocation.width - width))/2; - page_area->y = (MAX (0, widget->allocation.height - height))/2; - } else if (view->continuous) { - gint max_width; - gint x, y; - - ev_page_cache_get_max_width (view->page_cache, view->rotation, - view->scale, &max_width); - max_width = max_width + border->left + border->right; - /* Get the location of the bounding box */ - if (view->dual_page) { - x = view->spacing + ((page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? 0 : 1) * (max_width + view->spacing); - x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2; - if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) - x = x + (max_width - width - border->left - border->right); - } else { - x = view->spacing; - x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2; - } - - get_page_y_offset (view, page, view->scale, &y); - - page_area->x = x; - page_area->y = y; - } else { - gint x, y; - if (view->dual_page) { - gint width_2, height_2; - gint max_width = width; - gint max_height = height; - GtkBorder overall_border; - gint other_page; - - other_page = (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? page + 1: page - 1; - - /* First, we get the bounding box of the two pages */ - if (other_page < ev_page_cache_get_n_pages (view->page_cache) - && (0 <= other_page)) { - ev_page_cache_get_size (view->page_cache, - other_page, - view->rotation, - view->scale, - &width_2, &height_2); - if (width_2 > width) - max_width = width_2; - if (height_2 > height) - max_height = height_2; - } - compute_border (view, max_width, max_height, &overall_border); - - /* Find the offsets */ - x = view->spacing; - y = view->spacing; - - /* Adjust for being the left or right page */ - if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) - x = x + max_width - width; - else - x = x + (max_width + overall_border.left + overall_border.right) + view->spacing; - - y = y + (max_height - height)/2; - - /* Adjust for extra allocation */ - x = x + MAX (0, widget->allocation.width - - ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2; - y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2; - } else { - x = view->spacing; - y = view->spacing; - - /* Adjust for extra allocation */ - x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2; - y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2; - } - - page_area->x = x; - page_area->y = y; - } - - return TRUE; -} - -static void -view_point_to_doc_point (EvView *view, - GdkPoint *view_point, - GdkRectangle *page_area, - double *doc_point_x, - double *doc_point_y) -{ - *doc_point_x = (double) (view_point->x - page_area->x) / view->scale; - *doc_point_y = (double) (view_point->y - page_area->y) / view->scale; -} - -static void -view_rect_to_doc_rect (EvView *view, - GdkRectangle *view_rect, - GdkRectangle *page_area, - EvRectangle *doc_rect) -{ - doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale; - doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale; - doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale; - doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale; -} - -static gboolean -doc_point_to_view_point (EvView *view, - int page, - EvPoint *doc_point, - GdkPoint *view_point) -{ - GdkRectangle page_area; - GtkBorder border; - double x, y, view_x, view_y; - int width, height; - - ev_page_cache_get_size (view->page_cache, page, - view->rotation, - 1.0, - &width, &height); - - if (view->rotation == 0) { - x = doc_point->x; - y = doc_point->y; - } else if (view->rotation == 90) { - x = width - doc_point->y; - y = doc_point->x; - } else if (view->rotation == 180) { - x = width - doc_point->x; - y = height - doc_point->y; - } else if (view->rotation == 270) { - x = doc_point->y; - y = height - doc_point->x; - } else { - g_assert_not_reached (); - } - - get_page_extents (view, page, &page_area, &border); - - view_x = x * view->scale; - view_y = y * view->scale; - view_point->x = view_x + page_area.x; - view_point->y = view_y + page_area.y; - - return (view_x > 0 && view_x <= page_area.width && - view_y > 0 && view_y <= page_area.height); -} - -static void -doc_rect_to_view_rect (EvView *view, - int page, - EvRectangle *doc_rect, - GdkRectangle *view_rect) -{ - GdkRectangle page_area; - GtkBorder border; - double x, y, w, h; - int width, height; - - ev_page_cache_get_size (view->page_cache, page, - view->rotation, - 1.0, - &width, &height); - - if (view->rotation == 0) { - x = doc_rect->x1; - y = doc_rect->y1; - w = doc_rect->x2 - doc_rect->x1; - h = doc_rect->y2 - doc_rect->y1; - } else if (view->rotation == 90) { - x = width - doc_rect->y2; - y = doc_rect->x1; - w = doc_rect->y2 - doc_rect->y1; - h = doc_rect->x2 - doc_rect->x1; - } else if (view->rotation == 180) { - x = width - doc_rect->x2; - y = height - doc_rect->y2; - w = doc_rect->x2 - doc_rect->x1; - h = doc_rect->y2 - doc_rect->y1; - } else if (view->rotation == 270) { - x = doc_rect->y1; - y = height - doc_rect->x2; - w = doc_rect->y2 - doc_rect->y1; - h = doc_rect->x2 - doc_rect->x1; - } else { - g_assert_not_reached (); - } - - get_page_extents (view, page, &page_area, &border); - - view_rect->x = x * view->scale + page_area.x; - view_rect->y = y * view->scale + page_area.y; - view_rect->width = w * view->scale; - view_rect->height = h * view->scale; -} - -static void -find_page_at_location (EvView *view, - gdouble x, - gdouble y, - gint *page, - gint *x_offset, - gint *y_offset) -{ - int i; - - if (view->document == NULL) - return; - - g_assert (page); - g_assert (x_offset); - g_assert (y_offset); - - for (i = view->start_page; i <= view->end_page; i++) { - GdkRectangle page_area; - GtkBorder border; - - if (! get_page_extents (view, i, &page_area, &border)) - continue; - - if ((x >= page_area.x + border.left) && - (x < page_area.x + page_area.width - border.right) && - (y >= page_area.y + border.top) && - (y < page_area.y + page_area.height - border.bottom)) { - *page = i; - *x_offset = x - (page_area.x + border.left); - *y_offset = y - (page_area.y + border.top); - return; - } - } - - *page = -1; -} - -static gboolean -location_in_text (EvView *view, - gdouble x, - gdouble y) -{ - GdkRegion *region; - gint page = -1; - gint x_offset = 0, y_offset = 0; - - find_page_at_location (view, x, y, &page, &x_offset, &y_offset); - - if (page == -1) - return FALSE; - - region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page); - - if (region) - return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale); - else - return FALSE; -} - -static int -ev_view_get_width (EvView *view) -{ - return GTK_WIDGET (view)->allocation.width; -} - -static int -ev_view_get_height (EvView *view) -{ - return GTK_WIDGET (view)->allocation.height; -} - -static gboolean -location_in_selected_text (EvView *view, - gdouble x, - gdouble y) -{ - gint page = -1; - gint x_offset = 0, y_offset = 0; - EvViewSelection *selection; - GList *l = NULL; - - for (l = view->selection_info.selections; l != NULL; l = l->next) { - selection = (EvViewSelection *)l->data; - - find_page_at_location (view, x, y, &page, &x_offset, &y_offset); - - if (page != selection->page) - continue; - - if (selection->covered_region && - gdk_region_point_in (selection->covered_region, x_offset, y_offset)) - return TRUE; - } - - return FALSE; -} - -static gboolean -get_doc_point_from_offset (EvView *view, - gint page, - gint x_offset, - gint y_offset, - gint *x_new, - gint *y_new) -{ - int width, height; - double x, y; - - ev_page_cache_get_size (view->page_cache, page, - view->rotation, - 1.0, - &width, &height); - - x_offset = x_offset / view->scale; - y_offset = y_offset / view->scale; - - if (view->rotation == 0) { - x = x_offset; - y = y_offset; - } else if (view->rotation == 90) { - x = y_offset; - y = width - x_offset; - } else if (view->rotation == 180) { - x = width - x_offset; - y = height - y_offset; - } else if (view->rotation == 270) { - x = height - y_offset; - y = x_offset; - } else { - g_assert_not_reached (); - } - - *x_new = x; - *y_new = y; - - return TRUE; -} - -/*** Hyperref ***/ -static EvLink * -ev_view_get_link_at_location (EvView *view, - gdouble x, - gdouble y) -{ - gint page = -1; - gint x_offset = 0, y_offset = 0; - gint x_new = 0, y_new = 0; - GList *link_mapping; - - if (!EV_IS_DOCUMENT_LINKS (view->document)) - return NULL; - - x += view->scroll_x; - y += view->scroll_y; - - find_page_at_location (view, x, y, &page, &x_offset, &y_offset); - - if (page == -1) - return NULL; - - - if (get_doc_point_from_offset (view, page, x_offset, - y_offset, &x_new, &y_new) == FALSE) - return NULL; - - link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page); - - if (link_mapping) - return ev_link_mapping_find (link_mapping, x_new, y_new); - else - return NULL; -} - -static void -goto_fitr_dest (EvView *view, EvLinkDest *dest) -{ - EvPoint doc_point; - gdouble zoom, left, top; - gboolean change_left, change_top; - - left = ev_link_dest_get_left (dest, &change_left); - top = ev_link_dest_get_top (dest, &change_top); - - zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - left, - ev_link_dest_get_bottom (dest) - top, - ev_view_get_width (view), - ev_view_get_height (view), 0, 0); - - ev_view_set_sizing_mode (view, EV_SIZING_FREE); - ev_view_set_zoom (view, zoom, FALSE); - - doc_point.x = change_left ? left : 0; - doc_point.y = change_top ? top : 0; - - view->current_page = ev_link_dest_get_page (dest); - if (change_left || change_top) - view->pending_point = doc_point; - view->pending_scroll = SCROLL_TO_PAGE_POSITION; - - gtk_widget_queue_resize (GTK_WIDGET (view)); -} - -static void -goto_fitv_dest (EvView *view, EvLinkDest *dest) -{ - EvPoint doc_point; - int doc_width, doc_height, page; - double zoom, left; - gboolean change_left; - - page = ev_link_dest_get_page (dest); - ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height); - - left = ev_link_dest_get_left (dest, &change_left); - doc_point.x = change_left ? left : 0; - doc_point.y = 0; - - zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height, - ev_view_get_width (view), - ev_view_get_height (view), 0); - - ev_view_set_sizing_mode (view, EV_SIZING_FREE); - ev_view_set_zoom (view, zoom, FALSE); - - view->current_page = page; - if (change_left) - view->pending_point = doc_point; - view->pending_scroll = SCROLL_TO_PAGE_POSITION; - - gtk_widget_queue_resize (GTK_WIDGET (view)); -} - -static void -goto_fith_dest (EvView *view, EvLinkDest *dest) -{ - EvPoint doc_point; - int doc_width, doc_height, page; - gdouble zoom, top; - gboolean change_top; - - page = ev_link_dest_get_page (dest); - ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height); - - top = ev_link_dest_get_top (dest, &change_top); - - doc_point.x = 0; - doc_point.y = change_top ? top : 0; - - zoom = zoom_for_size_fit_width (doc_width, top, - ev_view_get_width (view), - ev_view_get_height (view), 0); - - ev_view_set_sizing_mode (view, EV_SIZING_FIT_WIDTH); - ev_view_set_zoom (view, zoom, FALSE); - - view->current_page = page; - if (change_top) - view->pending_point = doc_point; - view->pending_scroll = SCROLL_TO_PAGE_POSITION; - - gtk_widget_queue_resize (GTK_WIDGET (view)); -} - -static void -goto_fit_dest (EvView *view, EvLinkDest *dest) -{ - double zoom; - int doc_width, doc_height; - int page; - - page = ev_link_dest_get_page (dest); - ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height); - - zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view), - ev_view_get_height (view), 0, 0); - - ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT); - ev_view_set_zoom (view, zoom, FALSE); - - view->current_page = page; - view->pending_scroll = SCROLL_TO_PAGE_POSITION; - - gtk_widget_queue_resize (GTK_WIDGET (view)); -} - -static void -goto_xyz_dest (EvView *view, EvLinkDest *dest) -{ - EvPoint doc_point; - gint page; - gdouble zoom, left, top; - gboolean change_zoom, change_left, change_top; - - zoom = ev_link_dest_get_zoom (dest, &change_zoom); - page = ev_link_dest_get_page (dest); - - if (change_zoom && zoom > 1) { - ev_view_set_sizing_mode (view, EV_SIZING_FREE); - ev_view_set_zoom (view, zoom, FALSE); - } - - left = ev_link_dest_get_left (dest, &change_left); - top = ev_link_dest_get_top (dest, &change_top); - - doc_point.x = change_left ? left : 0; - doc_point.y = change_top ? top : 0; - - view->current_page = page; - if (change_left || change_top) - view->pending_point = doc_point; - view->pending_scroll = SCROLL_TO_PAGE_POSITION; - - gtk_widget_queue_resize (GTK_WIDGET (view)); -} - -static void -goto_dest (EvView *view, EvLinkDest *dest) -{ - EvLinkDestType type; - int page, n_pages, current_page; - - page = ev_link_dest_get_page (dest); - n_pages = ev_page_cache_get_n_pages (view->page_cache); - - if (page < 0 || page >= n_pages) - return; - - current_page = view->current_page; - - type = ev_link_dest_get_dest_type (dest); - - switch (type) { - case EV_LINK_DEST_TYPE_PAGE: - ev_page_cache_set_current_page (view->page_cache, page); - break; - case EV_LINK_DEST_TYPE_FIT: - goto_fit_dest (view, dest); - break; - case EV_LINK_DEST_TYPE_FITH: - goto_fith_dest (view, dest); - break; - case EV_LINK_DEST_TYPE_FITV: - goto_fitv_dest (view, dest); - break; - case EV_LINK_DEST_TYPE_FITR: - goto_fitr_dest (view, dest); - break; - case EV_LINK_DEST_TYPE_XYZ: - goto_xyz_dest (view, dest); - break; - case EV_LINK_DEST_TYPE_PAGE_LABEL: - ev_page_cache_set_page_label (view->page_cache, ev_link_dest_get_page_label (dest)); - break; - default: - g_assert_not_reached (); - } - - if (current_page != view->current_page) - ev_page_cache_set_current_page (view->page_cache, - view->current_page); -} - -static void -ev_view_goto_dest (EvView *view, EvLinkDest *dest) -{ - EvLinkDestType type; - - type = ev_link_dest_get_dest_type (dest); - - if (type == EV_LINK_DEST_TYPE_NAMED) { - EvLinkDest *dest2; - const gchar *named_dest; - - named_dest = ev_link_dest_get_named_dest (dest); - dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document), - named_dest); - if (dest2) { - goto_dest (view, dest2); - g_object_unref (dest2); - } - - return; - } - - goto_dest (view, dest); -} - -void -ev_view_handle_link (EvView *view, EvLink *link) -{ - EvLinkAction *action = NULL; - EvLinkActionType type; - - action = ev_link_get_action (link); - if (!action) - return; - - type = ev_link_action_get_action_type (action); - - switch (type) { - case EV_LINK_ACTION_TYPE_GOTO_DEST: { - EvLinkDest *dest; - - g_signal_emit (view, signals[SIGNAL_HANDLE_LINK], 0, link); - - dest = ev_link_action_get_dest (action); - ev_view_goto_dest (view, dest); - } - break; - case EV_LINK_ACTION_TYPE_GOTO_REMOTE: - case EV_LINK_ACTION_TYPE_EXTERNAL_URI: - case EV_LINK_ACTION_TYPE_LAUNCH: - case EV_LINK_ACTION_TYPE_NAMED: - g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action); - break; - } -} - -gchar * -ev_view_page_label_from_dest (EvView *view, EvLinkDest *dest) -{ - EvLinkDestType type; - gchar *msg = NULL; - - type = ev_link_dest_get_dest_type (dest); - - switch (type) { - case EV_LINK_DEST_TYPE_NAMED: { - EvLinkDest *dest2; - const gchar *named_dest; - - named_dest = ev_link_dest_get_named_dest (dest); - dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document), - named_dest); - if (dest2) { - msg = ev_page_cache_get_page_label (view->page_cache, - ev_link_dest_get_page (dest2)); - g_object_unref (dest2); - } - } - - break; - case EV_LINK_DEST_TYPE_PAGE_LABEL: { - msg = g_strdup (ev_link_dest_get_page_label (dest)); - } - break; - default: - msg = ev_page_cache_get_page_label (view->page_cache, - ev_link_dest_get_page (dest)); - } - - return msg; -} - -static char * -tip_from_action_named (EvLinkAction *action) -{ - const gchar *name = ev_link_action_get_name (action); - - if (g_ascii_strcasecmp (name, "FirstPage") == 0) { - return g_strdup (_("Go to first page")); - } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) { - return g_strdup (_("Go to previous page")); - } else if (g_ascii_strcasecmp (name, "NextPage") == 0) { - return g_strdup (_("Go to next page")); - } else if (g_ascii_strcasecmp (name, "LastPage") == 0) { - return g_strdup (_("Go to last page")); - } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) { - return g_strdup (_("Go to page")); - } else if (g_ascii_strcasecmp (name, "Find") == 0) { - return g_strdup (_("Find")); - } - - return NULL; -} - -static char * -tip_from_link (EvView *view, EvLink *link) -{ - EvLinkAction *action; - EvLinkActionType type; - char *msg = NULL; - char *page_label; - const char *title; - - action = ev_link_get_action (link); - title = ev_link_get_title (link); - - if (!action) - return title ? g_strdup (title) : NULL; - - type = ev_link_action_get_action_type (action); - - switch (type) { - case EV_LINK_ACTION_TYPE_GOTO_DEST: - page_label = ev_view_page_label_from_dest (view, - ev_link_action_get_dest (action)); - if (page_label) { - msg = g_strdup_printf (_("Go to page %s"), page_label); - g_free (page_label); - } - break; - case EV_LINK_ACTION_TYPE_GOTO_REMOTE: - if (title) { - msg = g_strdup_printf (_("Go to %s on file “%s”"), title, - ev_link_action_get_filename (action)); - } else { - msg = g_strdup_printf (_("Go to file “%s”"), - ev_link_action_get_filename (action)); - } - break; - case EV_LINK_ACTION_TYPE_EXTERNAL_URI: - msg = g_strdup (ev_link_action_get_uri (action)); - break; - case EV_LINK_ACTION_TYPE_LAUNCH: - msg = g_strdup_printf (_("Launch %s"), - ev_link_action_get_filename (action)); - break; - case EV_LINK_ACTION_TYPE_NAMED: - msg = tip_from_action_named (action); - break; - default: - if (title) - msg = g_strdup (title); - break; - } - - return msg; -} - -static void -ev_view_handle_cursor_over_xy (EvView *view, gint x, gint y) -{ - EvLink *link; - EvFormField *field; - - if (view->cursor == EV_VIEW_CURSOR_HIDDEN) - return; - - if (view->drag_info.in_drag) { - if (view->cursor != EV_VIEW_CURSOR_DRAG) - ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG); - return; - } - - if (view->scroll_info.autoscrolling) { - if (view->cursor != EV_VIEW_CURSOR_AUTOSCROLL) - ev_view_set_cursor (view, EV_VIEW_CURSOR_AUTOSCROLL); - return; - } - - link = ev_view_get_link_at_location (view, x, y); - if (link) { - g_object_set (view, "has-tooltip", TRUE, NULL); - ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK); - } else if ((field = ev_view_get_form_field_at_location (view, x, y))) { - if (field->is_read_only) { - if (view->cursor == EV_VIEW_CURSOR_LINK || - view->cursor == EV_VIEW_CURSOR_IBEAM || - view->cursor == EV_VIEW_CURSOR_DRAG) - ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL); - } else if (EV_IS_FORM_FIELD_TEXT (field)) { - ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM); - } else { - ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK); - } - } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) { - ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM); - } else { - if (view->cursor == EV_VIEW_CURSOR_LINK || - view->cursor == EV_VIEW_CURSOR_IBEAM || - view->cursor == EV_VIEW_CURSOR_DRAG || - view->cursor == EV_VIEW_CURSOR_AUTOSCROLL) - ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL); - } -} - -/*** Images ***/ -static EvImage * -ev_view_get_image_at_location (EvView *view, - gdouble x, - gdouble y) -{ - gint page = -1; - gint x_offset = 0, y_offset = 0; - gint x_new = 0, y_new = 0; - GList *image_mapping; - - if (!EV_IS_DOCUMENT_IMAGES (view->document)) - return NULL; - - x += view->scroll_x; - y += view->scroll_y; - - find_page_at_location (view, x, y, &page, &x_offset, &y_offset); - - if (page == -1) - return NULL; - - if (get_doc_point_from_offset (view, page, x_offset, - y_offset, &x_new, &y_new) == FALSE) - return NULL; - - image_mapping = ev_pixbuf_cache_get_image_mapping (view->pixbuf_cache, page); - - if (image_mapping) - return ev_image_mapping_find (image_mapping, x_new, y_new); - else - return NULL; -} - -/*** Forms ***/ -static EvFormField * -ev_view_get_form_field_at_location (EvView *view, - gdouble x, - gdouble y) -{ - gint page = -1; - gint x_offset = 0, y_offset = 0; - gint x_new = 0, y_new = 0; - GList *forms_mapping; - - if (!EV_IS_DOCUMENT_FORMS (view->document)) - return NULL; - - x += view->scroll_x; - y += view->scroll_y; - - find_page_at_location (view, x, y, &page, &x_offset, &y_offset); - - if (page == -1) - return NULL; - - if (get_doc_point_from_offset (view, page, x_offset, - y_offset, &x_new, &y_new) == FALSE) - return NULL; - - forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, page); - - if (forms_mapping) - return ev_form_field_mapping_find (forms_mapping, x_new, y_new); - else - return NULL; -} - -static GdkRegion * -ev_view_form_field_get_region (EvView *view, - EvFormField *field) -{ - EvRectangle field_area; - GdkRectangle view_area; - GList *forms_mapping; - - forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, - field->page->index); - ev_form_field_mapping_get_area (forms_mapping, field, &field_area); - doc_rect_to_view_rect (view, field->page->index, &field_area, &view_area); - view_area.x -= view->scroll_x; - view_area.y -= view->scroll_y; - - return gdk_region_rectangle (&view_area); -} - -static gboolean -ev_view_forms_remove_widgets (EvView *view) -{ - ev_view_remove_all (view); - - return FALSE; -} - -static void -ev_view_form_field_destroy (GtkWidget *widget, - EvView *view) -{ - g_idle_add ((GSourceFunc)ev_view_forms_remove_widgets, view); -} - -static GtkWidget * -ev_view_form_field_button_create_widget (EvView *view, - EvFormField *field) -{ - EvFormFieldButton *field_button = EV_FORM_FIELD_BUTTON (field); - GdkRegion *field_region = NULL; - - switch (field_button->type) { - case EV_FORM_FIELD_BUTTON_PUSH: - return NULL; - case EV_FORM_FIELD_BUTTON_CHECK: - case EV_FORM_FIELD_BUTTON_RADIO: { - gboolean state; - GList *forms_mapping, *l; - - state = ev_document_forms_form_field_button_get_state (EV_DOCUMENT_FORMS (view->document), - field); - - /* FIXME: it actually depends on NoToggleToOff flags */ - if (field_button->type == EV_FORM_FIELD_BUTTON_RADIO && - state && field_button->state) - return NULL; - - field_region = ev_view_form_field_get_region (view, field); - - /* For radio buttons and checkbox buttons that are in a set - * we need to update also the region for the current selected item - */ - forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, - field->page->index); - for (l = forms_mapping; l; l = g_list_next (l)) { - EvFormField *button = ((EvFormFieldMapping *)(l->data))->field; - GdkRegion *button_region; - - if (button->id == field->id) - continue; - - /* FIXME: only buttons in the same group should be updated */ - if (!EV_IS_FORM_FIELD_BUTTON (button) || - EV_FORM_FIELD_BUTTON (button)->type != field_button->type || - EV_FORM_FIELD_BUTTON (button)->state != TRUE) - continue; - - button_region = ev_view_form_field_get_region (view, button); - gdk_region_union (field_region, button_region); - gdk_region_destroy (button_region); - } - - ev_document_forms_form_field_button_set_state (EV_DOCUMENT_FORMS (view->document), - field, !state); - field_button->state = !state; - } - break; - } - - ev_view_reload_page (view, field->page->index, field_region); - gdk_region_destroy (field_region); - - return NULL; -} - -static void -ev_view_form_field_text_save (EvView *view, - GtkWidget *widget) -{ - EvFormField *field; - - if (!view->document) - return; - - field = g_object_get_data (G_OBJECT (widget), "form-field"); - - if (field->changed) { - EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field); - GdkRegion *field_region; - - field_region = ev_view_form_field_get_region (view, field); - - ev_document_forms_form_field_text_set_text (EV_DOCUMENT_FORMS (view->document), - field, field_text->text); - field->changed = FALSE; - ev_view_reload_page (view, field->page->index, field_region); - gdk_region_destroy (field_region); - } -} - -static void -ev_view_form_field_text_changed (GtkWidget *widget, - EvFormField *field) -{ - EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field); - gchar *text = NULL; - - if (GTK_IS_ENTRY (widget)) { - text = g_strdup (gtk_entry_get_text (GTK_ENTRY (widget))); - } else if (GTK_IS_TEXT_BUFFER (widget)) { - GtkTextIter start, end; - - gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (widget), &start, &end); - text = gtk_text_buffer_get_text (GTK_TEXT_BUFFER (widget), - &start, &end, FALSE); - } - - if (!field_text->text || - (field_text->text && g_ascii_strcasecmp (field_text->text, text) != 0)) { - g_free (field_text->text); - field_text->text = text; - field->changed = TRUE; - } -} - -static GtkWidget * -ev_view_form_field_text_create_widget (EvView *view, - EvFormField *field) -{ - EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field); - GtkWidget *text = NULL; - gchar *txt; - - txt = ev_document_forms_form_field_text_get_text (EV_DOCUMENT_FORMS (view->document), - field); - - switch (field_text->type) { - case EV_FORM_FIELD_TEXT_FILE_SELECT: - /* TODO */ - case EV_FORM_FIELD_TEXT_NORMAL: - text = gtk_entry_new (); - gtk_entry_set_has_frame (GTK_ENTRY (text), FALSE); - gtk_entry_set_max_length (GTK_ENTRY (text), field_text->max_len); - gtk_entry_set_visibility (GTK_ENTRY (text), !field_text->is_password); - - if (txt) { - gtk_entry_set_text (GTK_ENTRY (text), txt); - g_free (txt); - } - - g_signal_connect (G_OBJECT (text), "changed", - G_CALLBACK (ev_view_form_field_text_changed), - field); - g_signal_connect_after (G_OBJECT (text), "activate", - G_CALLBACK (ev_view_form_field_destroy), - view); - break; - case EV_FORM_FIELD_TEXT_MULTILINE: { - GtkTextBuffer *buffer; - - text = gtk_text_view_new (); - buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text)); - - if (txt) { - gtk_text_buffer_set_text (buffer, txt, -1); - g_free (txt); - } - - g_signal_connect (G_OBJECT (buffer), "changed", - G_CALLBACK (ev_view_form_field_text_changed), - field); - } - break; - } - - g_object_weak_ref (G_OBJECT (text), - (GWeakNotify)ev_view_form_field_text_save, - view); - - return text; -} - -static void -ev_view_form_field_choice_save (EvView *view, - GtkWidget *widget) -{ - EvFormField *field; - - if (!view->document) - return; - - field = g_object_get_data (G_OBJECT (widget), "form-field"); - - if (field->changed) { - GList *l; - EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field); - GdkRegion *field_region; - - field_region = ev_view_form_field_get_region (view, field); - - if (field_choice->is_editable) { - ev_document_forms_form_field_choice_set_text (EV_DOCUMENT_FORMS (view->document), - field, field_choice->text); - } else { - ev_document_forms_form_field_choice_unselect_all (EV_DOCUMENT_FORMS (view->document), field); - for (l = field_choice->selected_items; l; l = g_list_next (l)) { - ev_document_forms_form_field_choice_select_item (EV_DOCUMENT_FORMS (view->document), - field, - GPOINTER_TO_INT (l->data)); - } - } - field->changed = FALSE; - ev_view_reload_page (view, field->page->index, field_region); - gdk_region_destroy (field_region); - } -} - -static void -ev_view_form_field_choice_changed (GtkWidget *widget, - EvFormField *field) -{ - EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field); - - if (GTK_IS_COMBO_BOX (widget)) { - gint item; - - item = gtk_combo_box_get_active (GTK_COMBO_BOX (widget)); - if (!field_choice->selected_items || - GPOINTER_TO_INT (field_choice->selected_items->data) != item) { - g_list_free (field_choice->selected_items); - field_choice->selected_items = NULL; - field_choice->selected_items = g_list_prepend (field_choice->selected_items, - GINT_TO_POINTER (item)); - field->changed = TRUE; - } - - if (GTK_IS_COMBO_BOX_ENTRY (widget)) { - gchar *text; - - text = gtk_combo_box_get_active_text (GTK_COMBO_BOX (widget)); - if (!field_choice->text || - (field_choice->text && g_ascii_strcasecmp (field_choice->text, text) != 0)) { - g_free (field_choice->text); - field_choice->text = text; - field->changed = TRUE; - } - } - } else if (GTK_IS_TREE_SELECTION (widget)) { - GtkTreeSelection *selection = GTK_TREE_SELECTION (widget); - GtkTreeModel *model; - GList *items, *l; - - items = gtk_tree_selection_get_selected_rows (selection, &model); - g_list_free (field_choice->selected_items); - field_choice->selected_items = NULL; - - for (l = items; l && l->data; l = g_list_next (l)) { - GtkTreeIter iter; - GtkTreePath *path = (GtkTreePath *)l->data; - gint item; - - gtk_tree_model_get_iter (model, &iter, path); - gtk_tree_model_get (model, &iter, 1, &item, -1); - - field_choice->selected_items = g_list_prepend (field_choice->selected_items, - GINT_TO_POINTER (item)); - - gtk_tree_path_free (path); - } - - g_list_free (items); - - field->changed = TRUE; - } -} - -static GtkWidget * -ev_view_form_field_choice_create_widget (EvView *view, - EvFormField *field) -{ - EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field); - GtkWidget *choice; - GtkTreeModel *model; - gint n_items, i; - gint selected_item = 0; - - n_items = ev_document_forms_form_field_choice_get_n_items (EV_DOCUMENT_FORMS (view->document), - field); - model = GTK_TREE_MODEL (gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT)); - for (i = 0; i < n_items; i++) { - GtkTreeIter iter; - gchar *item; - - item = ev_document_forms_form_field_choice_get_item (EV_DOCUMENT_FORMS (view->document), - field, i); - if (ev_document_forms_form_field_choice_is_item_selected ( - EV_DOCUMENT_FORMS (view->document), field, i)) { - selected_item = i; - /* FIXME: we need a get_selected_items function in poppler */ - field_choice->selected_items = g_list_prepend (field_choice->selected_items, - GINT_TO_POINTER (i)); - } - - if (item) { - gtk_list_store_append (GTK_LIST_STORE (model), &iter); - gtk_list_store_set (GTK_LIST_STORE (model), &iter, - 0, item, - 1, i, - -1); - g_free (item); - } - } - - if (field_choice->type == EV_FORM_FIELD_CHOICE_LIST) { - GtkCellRenderer *renderer; - GtkWidget *tree_view; - GtkTreeSelection *selection; - - tree_view = gtk_tree_view_new_with_model (model); - gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE); - - selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view)); - if (field_choice->multi_select) { - gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE); - } - - /* TODO: set selected items */ - - renderer = gtk_cell_renderer_text_new (); - gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view), - 0, - "choix", renderer, - "text", 0, - NULL); - - choice = gtk_scrolled_window_new (NULL, NULL); - gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (choice), - GTK_POLICY_AUTOMATIC, - GTK_POLICY_AUTOMATIC); - gtk_container_add (GTK_CONTAINER (choice), tree_view); - gtk_widget_show (tree_view); - - g_signal_connect (G_OBJECT (selection), "changed", - G_CALLBACK (ev_view_form_field_choice_changed), - field); - g_signal_connect_after (G_OBJECT (selection), "changed", - G_CALLBACK (ev_view_form_field_destroy), - view); - } else if (field_choice->is_editable) { /* ComboBoxEntry */ - gchar *text; - - choice = gtk_combo_box_entry_new_with_model (model, 0); - text = ev_document_forms_form_field_choice_get_text (EV_DOCUMENT_FORMS (view->document), field); - if (text) { - gtk_entry_set_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (choice))), text); - g_free (text); - } - - g_signal_connect (G_OBJECT (choice), "changed", - G_CALLBACK (ev_view_form_field_choice_changed), - field); - g_signal_connect_after (G_OBJECT (GTK_BIN (choice)->child), "activate", - G_CALLBACK (ev_view_form_field_destroy), - view); - } else { /* ComboBoxText */ - GtkCellRenderer *renderer; - - choice = gtk_combo_box_new_with_model (model); - renderer = gtk_cell_renderer_text_new (); - gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (choice), - renderer, TRUE); - gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (choice), - renderer, - "text", 0, - NULL); - gtk_combo_box_set_active (GTK_COMBO_BOX (choice), selected_item); - gtk_combo_box_popup (GTK_COMBO_BOX (choice)); - - g_signal_connect (G_OBJECT (choice), "changed", - G_CALLBACK (ev_view_form_field_choice_changed), - field); - g_signal_connect_after (G_OBJECT (choice), "changed", - G_CALLBACK (ev_view_form_field_destroy), - view); - } - - g_object_unref (model); - - g_object_weak_ref (G_OBJECT (choice), - (GWeakNotify)ev_view_form_field_choice_save, - view); - - return choice; -} - -static void -ev_view_handle_form_field (EvView *view, - EvFormField *field, - gdouble x, - gdouble y) -{ - GtkWidget *field_widget = NULL; - GList *form_field_mapping; - EvRectangle field_area; - GdkRectangle view_area; - - if (field->is_read_only) - return; - - if (EV_IS_FORM_FIELD_BUTTON (field)) { - field_widget = ev_view_form_field_button_create_widget (view, field); - } else if (EV_IS_FORM_FIELD_TEXT (field)) { - field_widget = ev_view_form_field_text_create_widget (view, field); - } else if (EV_IS_FORM_FIELD_CHOICE (field)) { - field_widget = ev_view_form_field_choice_create_widget (view, field); - } else if (EV_IS_FORM_FIELD_SIGNATURE (field)) { - /* TODO */ - } - - /* Form field doesn't require a widget */ - if (!field_widget) - return; - - g_object_set_data_full (G_OBJECT (field_widget), "form-field", - g_object_ref (field), - (GDestroyNotify)g_object_unref); - - form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, field->page->index); - ev_form_field_mapping_get_area (form_field_mapping, field, &field_area); - - doc_rect_to_view_rect (view, field->page->index, &field_area, &view_area); - view_area.x -= view->scroll_x; - view_area.y -= view->scroll_y; - - gtk_layout_put (GTK_LAYOUT (view), field_widget, view_area.x, view_area.y); - gtk_widget_show (field_widget); - gtk_widget_grab_focus (field_widget); -} - -/*** GtkWidget implementation ***/ - -static void -ev_view_size_request_continuous_dual_page (EvView *view, - GtkRequisition *requisition) -{ - int max_width; - gint n_pages; - GtkBorder border; - - ev_page_cache_get_max_width (view->page_cache, view->rotation, - view->scale, &max_width); - compute_border (view, max_width, max_width, &border); - - n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1; - - requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3); - get_page_y_offset (view, n_pages, view->scale, &requisition->height); - - if (view->sizing_mode == EV_SIZING_FIT_WIDTH) { - requisition->width = 1; - } else if (view->sizing_mode == EV_SIZING_BEST_FIT) { - requisition->width = 1; - /* FIXME: This could actually be set on one page docs or docs - * with a strange aspect ratio. */ - /* requisition->height = 1;*/ - } -} - -static void -ev_view_size_request_continuous (EvView *view, - GtkRequisition *requisition) -{ - int max_width; - int n_pages; - GtkBorder border; - - - ev_page_cache_get_max_width (view->page_cache, view->rotation, - view->scale, &max_width); - n_pages = ev_page_cache_get_n_pages (view->page_cache); - compute_border (view, max_width, max_width, &border); - - requisition->width = max_width + (view->spacing * 2) + border.left + border.right; - get_page_y_offset (view, n_pages, view->scale, &requisition->height); - - if (view->sizing_mode == EV_SIZING_FIT_WIDTH) { - requisition->width = 1; - } else if (view->sizing_mode == EV_SIZING_BEST_FIT) { - requisition->width = 1; - /* FIXME: This could actually be set on one page docs or docs - * with a strange aspect ratio. */ - /* requisition->height = 1;*/ - } -} - -static void -ev_view_size_request_dual_page (EvView *view, - GtkRequisition *requisition) -{ - GtkBorder border; - gint width, height; - - /* Find the largest of the two. */ - ev_page_cache_get_size (view->page_cache, - view->current_page, - view->rotation, - view->scale, - &width, &height); - if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) { - gint width_2, height_2; - ev_page_cache_get_size (view->page_cache, - view->current_page + 1, - view->rotation, - view->scale, - &width_2, &height_2); - if (width_2 > width) { - width = width_2; - height = height_2; - } - } - compute_border (view, width, height, &border); - - requisition->width = ((width + border.left + border.right) * 2) + - (view->spacing * 3); - requisition->height = (height + border.top + border.bottom) + - (view->spacing * 2); - - if (view->sizing_mode == EV_SIZING_FIT_WIDTH) { - requisition->width = 1; - } else if (view->sizing_mode == EV_SIZING_BEST_FIT) { - requisition->width = 1; - requisition->height = 1; - } -} - -static void -ev_view_size_request_single_page (EvView *view, - GtkRequisition *requisition) -{ - GtkBorder border; - gint width, height; - - ev_page_cache_get_size (view->page_cache, - view->current_page, - view->rotation, - view->scale, - &width, &height); - compute_border (view, width, height, &border); - - requisition->width = width + border.left + border.right + (2 * view->spacing); - requisition->height = height + border.top + border.bottom + (2 * view->spacing); - - if (view->sizing_mode == EV_SIZING_FIT_WIDTH) { - requisition->width = 1; - requisition->height = height + border.top + border.bottom + (2 * view->spacing); - } else if (view->sizing_mode == EV_SIZING_BEST_FIT) { - requisition->width = 1; - requisition->height = 1; - } -} - -static void -ev_view_size_request (GtkWidget *widget, - GtkRequisition *requisition) -{ - EvView *view = EV_VIEW (widget); - - if (view->document == NULL) { - requisition->width = 1; - requisition->height = 1; - return; - } - - if (view->presentation) { - requisition->width = 1; - requisition->height = 1; - return; - } - - if (view->continuous && view->dual_page) - ev_view_size_request_continuous_dual_page (view, requisition); - else if (view->continuous) - ev_view_size_request_continuous (view, requisition); - else if (view->dual_page) - ev_view_size_request_dual_page (view, requisition); - else - ev_view_size_request_single_page (view, requisition); -} - -static void -ev_view_size_allocate (GtkWidget *widget, - GtkAllocation *allocation) -{ - EvView *view = EV_VIEW (widget); - GList *children, *l; - - GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation); - - if (view->sizing_mode == EV_SIZING_FIT_WIDTH || - view->sizing_mode == EV_SIZING_BEST_FIT) { - - g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0); - - ev_view_size_request (widget, &widget->requisition); - } - - view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL); - view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL); - - if (view->document) - view_update_range_and_current_page (view); - - view->pending_scroll = SCROLL_TO_KEEP_POSITION; - view->pending_resize = FALSE; - - children = gtk_container_get_children (GTK_CONTAINER (widget)); - for (l = children; l && l->data; l = g_list_next (l)) { - EvFormField *field; - EvRectangle field_area; - GdkRectangle view_area; - GList *form_field_mapping; - GtkAllocation child_allocation; - GtkRequisition child_requisition; - GtkWidget *child = (GtkWidget *)l->data; - - field = g_object_get_data (G_OBJECT (child), "form-field"); - if (!field) - continue; - - form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, - field->page->index); - ev_form_field_mapping_get_area (form_field_mapping, field, &field_area); - - doc_rect_to_view_rect (view, field->page->index, &field_area, &view_area); - view_area.x -= view->scroll_x; - view_area.y -= view->scroll_y; - - gtk_widget_size_request (child, &child_requisition); - if (child_requisition.width != view_area.width || - child_requisition.height != view_area.height) - gtk_widget_set_size_request (child, view_area.width, view_area.height); - - gtk_container_child_get (GTK_CONTAINER (widget), - child, - "x", &child_allocation.x, - "y", &child_allocation.y, - NULL); - if (child_allocation.x != view_area.x || - child_allocation.y != view_area.y) { - gtk_layout_move (GTK_LAYOUT (widget), child, view_area.x, view_area.y); - } - } - g_list_free (children); -} - -static void -ev_view_realize (GtkWidget *widget) -{ - EvView *view = EV_VIEW (widget); - - if (GTK_WIDGET_CLASS (ev_view_parent_class)->realize) - (* GTK_WIDGET_CLASS (ev_view_parent_class)->realize) (widget); - - gdk_window_set_events (view->layout.bin_window, - (gdk_window_get_events (view->layout.bin_window) | - GDK_EXPOSURE_MASK | - GDK_BUTTON_PRESS_MASK | - GDK_BUTTON_RELEASE_MASK | - GDK_SCROLL_MASK | - GDK_KEY_PRESS_MASK | - GDK_POINTER_MOTION_MASK | - GDK_POINTER_MOTION_HINT_MASK | - GDK_ENTER_NOTIFY_MASK | - GDK_LEAVE_NOTIFY_MASK)); - - if (view->presentation) - gdk_window_set_background (view->layout.bin_window, &widget->style->black); - else - gdk_window_set_background (view->layout.bin_window, &widget->style->mid [GTK_STATE_NORMAL]); -} - -static gboolean -ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event) -{ - EvView *view = EV_VIEW (widget); - guint state; - - state = event->state & gtk_accelerator_get_default_mod_mask (); - - if (state == GDK_CONTROL_MASK && view->presentation == FALSE) { - ev_view_set_sizing_mode (view, EV_SIZING_FREE); - - if (event->direction == GDK_SCROLL_UP || - event->direction == GDK_SCROLL_LEFT) { - if (ev_view_can_zoom_in (view)) { - ev_view_zoom_in (view); - } - } else { - if (ev_view_can_zoom_out (view)) { - ev_view_zoom_out (view); - } - } - - return TRUE; - } - - view->jump_to_find_result = FALSE; - - /* Shift+Wheel scrolls the in the perpendicular direction */ - if (state & GDK_SHIFT_MASK) { - if (event->direction == GDK_SCROLL_UP) - event->direction = GDK_SCROLL_LEFT; - else if (event->direction == GDK_SCROLL_LEFT) - event->direction = GDK_SCROLL_UP; - else if (event->direction == GDK_SCROLL_DOWN) - event->direction = GDK_SCROLL_RIGHT; - else if (event->direction == GDK_SCROLL_RIGHT) - event->direction = GDK_SCROLL_DOWN; - - event->state &= ~GDK_SHIFT_MASK; - state &= ~GDK_SHIFT_MASK; - } - - if (state == 0 && view->presentation) { - switch (event->direction) { - case GDK_SCROLL_DOWN: - case GDK_SCROLL_RIGHT: - ev_view_next_page (view); - break; - case GDK_SCROLL_UP: - case GDK_SCROLL_LEFT: - ev_view_previous_page (view); - break; - } - - return TRUE; - } - - return FALSE; -} - -static EvViewSelection * -find_selection_for_page (EvView *view, - gint page) -{ - GList *list; - - for (list = view->selection_info.selections; list != NULL; list = list->next) { - EvViewSelection *selection; - - selection = (EvViewSelection *) list->data; - - if (selection->page == page) - return selection; - } - - return NULL; -} - -static void -draw_end_presentation_page (EvView *view, - GdkRectangle *page_area) -{ - PangoLayout *layout; - PangoFontDescription *font_desc; - gchar *markup; - const gchar *text = _("End of presentation. Press Escape to exit."); - - if (view->presentation_state != EV_PRESENTATION_END) - return; - - layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), NULL); - markup = g_strdup_printf ("%s", text); - pango_layout_set_markup (layout, markup, -1); - g_free (markup); - - font_desc = pango_font_description_new (); - pango_font_description_set_size (font_desc, 16 * PANGO_SCALE); - pango_layout_set_font_description (layout, font_desc); - - gtk_paint_layout (GTK_WIDGET (view)->style, - view->layout.bin_window, - GTK_WIDGET_STATE (view), - FALSE, - page_area, - GTK_WIDGET (view), - NULL, - page_area->x + 15, - page_area->y + 15, - layout); - - pango_font_description_free (font_desc); - g_object_unref (layout); -} - -static gboolean -ev_view_expose_event (GtkWidget *widget, - GdkEventExpose *event) -{ - EvView *view = EV_VIEW (widget); - cairo_t *cr; - gint i; - - if (view->animation && ev_transition_animation_ready (view->animation)) { - GdkRectangle page_area; - GtkBorder border; - - if (get_page_extents (view, view->current_page, &page_area, &border)) { - cr = gdk_cairo_create (view->layout.bin_window); - - /* normalize to x=0, y=0 */ - cairo_translate (cr, page_area.x, page_area.y); - page_area.x = page_area.y = 0; - - ev_transition_animation_paint (view->animation, cr, page_area); - cairo_destroy (cr); - } - - return TRUE; - } - - if (view->presentation) { - switch (view->presentation_state) { - case EV_PRESENTATION_END: { - GdkRectangle area = {0}; - - area.width = widget->allocation.width; - area.height = widget->allocation.height; - - draw_end_presentation_page (view, &area); - } - return FALSE; - case EV_PRESENTATION_BLACK: - case EV_PRESENTATION_WHITE: - return FALSE; - case EV_PRESENTATION_NORMAL: - default: - break; - } - } else if (view->loading) { - GdkRectangle area = {0}; - - area.width = widget->allocation.width; - area.height = widget->allocation.height; - - draw_loading_text (view, - &area, - &(event->area)); - } - - if (view->document == NULL) - return FALSE; - - cr = gdk_cairo_create (view->layout.bin_window); - - for (i = view->start_page; i <= view->end_page; i++) { - GdkRectangle page_area; - GtkBorder border; - gboolean page_ready = TRUE; - - if (!get_page_extents (view, i, &page_area, &border)) - continue; - - page_area.x -= view->scroll_x; - page_area.y -= view->scroll_y; - - draw_one_page (view, i, cr, &page_area, &border, &(event->area), &page_ready); - - if (page_ready && view->find_pages && view->highlight_find_results) - highlight_find_results (view, i); - } - - cairo_destroy (cr); - - if (GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) - (* GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) (widget, event); - - return FALSE; -} - -static gboolean -ev_view_do_popup_menu (EvView *view, - gdouble x, - gdouble y) -{ - EvLink *link; - EvImage *image; - - image = ev_view_get_image_at_location (view, x, y); - if (image) { - g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, image); - return TRUE; - } - - link = ev_view_get_link_at_location (view, x, y); - if (link) { - g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link); - return TRUE; - } - - g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, NULL); - - return TRUE; -} - -static gboolean -ev_view_popup_menu (GtkWidget *widget) -{ - gint x, y; - - gtk_widget_get_pointer (widget, &x, &y); - return ev_view_do_popup_menu (EV_VIEW (widget), x, y); -} - -static void -get_link_area (EvView *view, - gint x, - gint y, - EvLink *link, - GdkRectangle *area) -{ - EvRectangle ev_rect; - GList *link_mapping; - gint page; - gint x_offset = 0, y_offset = 0; - - x += view->scroll_x; - y += view->scroll_y; - - find_page_at_location (view, x, y, &page, &x_offset, &y_offset); - - link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page); - ev_link_mapping_get_area (link_mapping, link, &ev_rect); - - doc_rect_to_view_rect (view, page, &ev_rect, area); - area->y -= view->scroll_y ; -} - -static gboolean -ev_view_query_tooltip (GtkWidget *widget, - gint x, - gint y, - gboolean keyboard_tip, - GtkTooltip *tooltip) -{ - EvView *view = EV_VIEW (widget); - EvLink *link; - gchar *text; - - link = ev_view_get_link_at_location (view, x, y); - if (!link) - return FALSE; - - text = tip_from_link (view, link); - if (text && g_utf8_validate (text, -1, NULL)) { - GdkRectangle link_area; - - get_link_area (view, x, y, link, &link_area); - gtk_tooltip_set_text (tooltip, text); - gtk_tooltip_set_tip_area (tooltip, &link_area); - } - g_free (text); - - return TRUE; -} - -static void -start_selection_for_event (EvView *view, - GdkEventButton *event) -{ - EvSelectionStyle style; - - clear_selection (view); - - view->selection_info.start.x = event->x + view->scroll_x; - view->selection_info.start.y = event->y + view->scroll_y; - - switch (event->type) { - case GDK_2BUTTON_PRESS: - style = EV_SELECTION_STYLE_WORD; - break; - case GDK_3BUTTON_PRESS: - style = EV_SELECTION_STYLE_LINE; - break; - default: - style = EV_SELECTION_STYLE_GLYPH; - break; - } - - view->selection_info.style = style; -} - -static gboolean -ev_view_button_press_event (GtkWidget *widget, - GdkEventButton *event) -{ - EvView *view = EV_VIEW (widget); - - if (!view->document) - return FALSE; - - if (!GTK_WIDGET_HAS_FOCUS (widget)) { - gtk_widget_grab_focus (widget); - } - - view->pressed_button = event->button; - view->selection_info.in_drag = FALSE; - - if (view->scroll_info.autoscrolling) - return TRUE; - - switch (event->button) { - case 1: { - EvImage *image; - EvFormField *field; - - if (EV_IS_SELECTION (view->document) && view->selection_info.selections) { - if (event->type == GDK_3BUTTON_PRESS) { - start_selection_for_event (view, event); - } else if (location_in_selected_text (view, - event->x + view->scroll_x, - event->y + view->scroll_y)) { - view->selection_info.in_drag = TRUE; - } else { - start_selection_for_event (view, event); - } - - gtk_widget_queue_draw (widget); - } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) { - ev_view_remove_all (view); - ev_view_handle_form_field (view, field, event->x, event->y); - } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) && - (image = ev_view_get_image_at_location (view, event->x, event->y))) { - if (view->image_dnd_info.image) - g_object_unref (view->image_dnd_info.image); - view->image_dnd_info.image = g_object_ref (image); - view->image_dnd_info.in_drag = TRUE; - - view->image_dnd_info.start.x = event->x + view->scroll_x; - view->image_dnd_info.start.y = event->y + view->scroll_y; - } else { - ev_view_remove_all (view); - - if (EV_IS_SELECTION (view->document)) - start_selection_for_event (view, event); - } - } - return TRUE; - case 2: - /* use root coordinates as reference point because - * scrolling changes window relative coordinates */ - view->drag_info.start.x = event->x_root; - view->drag_info.start.y = event->y_root; - view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment); - view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment); - - ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG); - - return TRUE; - case 3: - view->scroll_info.start_y = event->y; - return ev_view_do_popup_menu (view, event->x, event->y); - } - - return FALSE; -} - -static void -ev_view_remove_all (EvView *view) -{ - GList *children, *child; - - children = gtk_container_get_children (GTK_CONTAINER (view)); - for (child = children; child && child->data; child = g_list_next (child)) { - gtk_container_remove (GTK_CONTAINER (view), - GTK_WIDGET (child->data)); - } - g_list_free (children); -} - -/*** Drag and Drop ***/ -static void -ev_view_drag_data_get (GtkWidget *widget, - GdkDragContext *context, - GtkSelectionData *selection_data, - guint info, - guint time) -{ - EvView *view = EV_VIEW (widget); - - switch (info) { - case TARGET_DND_TEXT: - if (EV_IS_SELECTION (view->document) && - view->selection_info.selections) { - gchar *text; - - text = get_selected_text (view); - gtk_selection_data_set_text (selection_data, - text, - strlen (text)); - g_free (text); - } - break; - case TARGET_DND_IMAGE: - if (view->image_dnd_info.image) { - GdkPixbuf *pixbuf; - - ev_document_doc_mutex_lock (); - pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document), - view->image_dnd_info.image); - ev_document_doc_mutex_unlock (); - - gtk_selection_data_set_pixbuf (selection_data, pixbuf); - g_object_unref (pixbuf); - } - break; - case TARGET_DND_URI: - if (view->image_dnd_info.image) { - GdkPixbuf *pixbuf; - const gchar *tmp_uri; - gchar **uris; - - ev_document_doc_mutex_lock (); - pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document), - view->image_dnd_info.image); - ev_document_doc_mutex_unlock (); - - tmp_uri = ev_image_save_tmp (view->image_dnd_info.image, pixbuf); - g_object_unref (pixbuf); - - uris = g_new0 (gchar *, 2); - uris[0] = (gchar *)tmp_uri; - - gtk_selection_data_set_uris (selection_data, uris); - - /* g_free instead of g_strfreev since tmp_uri is const */ - g_free (uris); - } - } -} - -static gboolean -ev_view_drag_motion (GtkWidget *widget, - GdkDragContext *context, - gint x, - gint y, - guint time) -{ - if (gtk_drag_get_source_widget (context) == widget) - gdk_drag_status (context, 0, time); - else - gdk_drag_status (context, context->suggested_action, time); - - return TRUE; -} - -static gboolean -selection_update_idle_cb (EvView *view) -{ - compute_selections (view, - view->selection_info.style, - &view->selection_info.start, - &view->motion); - view->selection_update_id = 0; - return FALSE; -} - -static gboolean -selection_scroll_timeout_cb (EvView *view) -{ - gint x, y, shift = 0; - GtkWidget *widget = GTK_WIDGET (view); - - gtk_widget_get_pointer (widget, &x, &y); - - if (y > widget->allocation.height) { - shift = (y - widget->allocation.height) / 2; - } else if (y < 0) { - shift = y / 2; - } - - if (shift) - gtk_adjustment_set_value (view->vadjustment, - CLAMP (view->vadjustment->value + shift, - view->vadjustment->lower, - view->vadjustment->upper - - view->vadjustment->page_size)); - - if (x > widget->allocation.width) { - shift = (x - widget->allocation.width) / 2; - } else if (x < 0) { - shift = x / 2; - } - - if (shift) - gtk_adjustment_set_value (view->hadjustment, - CLAMP (view->hadjustment->value + shift, - view->hadjustment->lower, - view->hadjustment->upper - - view->hadjustment->page_size)); - - return TRUE; -} - -static gboolean -ev_view_drag_update_momentum (EvView *view) -{ - int i; - if (!view->drag_info.in_drag) - return FALSE; - - for (i = DRAG_HISTORY - 1; i > 0; i--) { - view->drag_info.buffer[i].x = view->drag_info.buffer[i-1].x; - view->drag_info.buffer[i].y = view->drag_info.buffer[i-1].y; - } - - /* Momentum is a moving average of 10ms granularity over - * the last 100ms with each 10ms stored in buffer. - */ - - view->drag_info.momentum.x = (view->drag_info.buffer[DRAG_HISTORY - 1].x - view->drag_info.buffer[0].x); - view->drag_info.momentum.y = (view->drag_info.buffer[DRAG_HISTORY - 1].y - view->drag_info.buffer[0].y); - - return TRUE; -} - -static gboolean -ev_view_scroll_drag_release (EvView *view) -{ - gdouble dhadj_value, dvadj_value; - gdouble oldhadjustment, oldvadjustment; - - view->drag_info.momentum.x /= 1.2; - view->drag_info.momentum.y /= 1.2; /* Alter these constants to change "friction" */ - - dhadj_value = view->hadjustment->page_size * - (gdouble)view->drag_info.momentum.x / GTK_WIDGET (view)->allocation.width; - dvadj_value = view->vadjustment->page_size * - (gdouble)view->drag_info.momentum.y / GTK_WIDGET (view)->allocation.height; - - oldhadjustment = gtk_adjustment_get_value (view->hadjustment); - oldvadjustment = gtk_adjustment_get_value (view->vadjustment); - - if (((oldhadjustment + dhadj_value) > (view->hadjustment->upper - view->hadjustment->page_size)) || - ((oldhadjustment + dhadj_value) < 0)) - view->drag_info.momentum.x *= -0.5; /* 0.5 rather than 1 means the edges absorb some momentum */ - if (((oldvadjustment + dvadj_value) > (view->vadjustment->upper - view->vadjustment->page_size)) || - ((oldvadjustment + dvadj_value) < 0)) - view->drag_info.momentum.y *= -0.5; - - gtk_adjustment_set_value (view->hadjustment, - MIN (oldhadjustment + dhadj_value, - view->hadjustment->upper - view->hadjustment->page_size)); - gtk_adjustment_set_value (view->vadjustment, - MIN (oldvadjustment + dvadj_value, - view->vadjustment->upper - view->vadjustment->page_size)); - - if (((view->drag_info.momentum.x < 1) && (view->drag_info.momentum.x > -1)) && - ((view->drag_info.momentum.y < 1) && (view->drag_info.momentum.y > -1))) - return FALSE; - else - return TRUE; -} - -static gboolean -ev_view_motion_notify_event (GtkWidget *widget, - GdkEventMotion *event) -{ - EvView *view = EV_VIEW (widget); - gint x, y; - - if (!view->document) - return FALSE; - - - if (event->is_hint || event->window != view->layout.bin_window) { - gtk_widget_get_pointer (widget, &x, &y); - } else { - x = event->x; - y = event->y; - } - - if (view->scroll_info.autoscrolling) { - view->scroll_info.last_y = y; - return TRUE; - } - - if (view->selection_info.in_drag) { - if (gtk_drag_check_threshold (widget, - view->selection_info.start.x, - view->selection_info.start.y, - x, y)) { - GtkTargetList *target_list = gtk_target_list_new (NULL, 0); - - gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT); - - gtk_drag_begin (widget, target_list, - GDK_ACTION_COPY, - 1, (GdkEvent *)event); - - view->selection_info.in_drag = FALSE; - - gtk_target_list_unref (target_list); - - return TRUE; - } - } else if (view->image_dnd_info.in_drag) { - if (gtk_drag_check_threshold (widget, - view->selection_info.start.x, - view->selection_info.start.y, - x, y)) { - GtkTargetList *target_list = gtk_target_list_new (NULL, 0); - - gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI); - gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE); - - gtk_drag_begin (widget, target_list, - GDK_ACTION_COPY, - 1, (GdkEvent *)event); - - view->image_dnd_info.in_drag = FALSE; - - gtk_target_list_unref (target_list); - - return TRUE; - } - } - - switch (view->pressed_button) { - case 1: - /* For the Evince 0.4.x release, we limit selection to un-rotated - * documents only. - */ - if (view->rotation != 0) - return FALSE; - - /* Schedule timeout to scroll during selection and additionally - * scroll once to allow arbitrary speed. */ - if (!view->selection_scroll_id) - view->selection_scroll_id = g_timeout_add (SCROLL_TIME, - (GSourceFunc)selection_scroll_timeout_cb, - view); - else - selection_scroll_timeout_cb (view); - - view->selection_info.in_selection = TRUE; - view->motion.x = x + view->scroll_x; - view->motion.y = y + view->scroll_y; - - /* Queue an idle to handle the motion. We do this because - * handling any selection events in the motion could be slower - * than new motion events reach us. We always put it in the - * idle to make sure we catch up and don't visibly lag the - * mouse. */ - if (!view->selection_update_id) - view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view); - - return TRUE; - case 2: - if (!view->drag_info.in_drag) { - gboolean start; - int i; - - start = gtk_drag_check_threshold (widget, - view->drag_info.start.x, - view->drag_info.start.y, - event->x_root, - event->y_root); - view->drag_info.in_drag = start; - view->drag_info.drag_timeout_id = g_timeout_add (10, - (GSourceFunc)ev_view_drag_update_momentum, view); - /* Set 100 to choose how long it takes to build up momentum */ - /* Clear out previous momentum info: */ - for (i = 0; i < DRAG_HISTORY; i++) { - view->drag_info.buffer[i].x = event->x; - view->drag_info.buffer[i].y = event->y; - } - view->drag_info.momentum.x = 0; - view->drag_info.momentum.y = 0; - } - - if (view->drag_info.in_drag) { - int dx, dy; - gdouble dhadj_value, dvadj_value; - - view->drag_info.buffer[0].x = event->x; - view->drag_info.buffer[0].y = event->y; - - dx = event->x_root - view->drag_info.start.x; - dy = event->y_root - view->drag_info.start.y; - - dhadj_value = view->hadjustment->page_size * - (gdouble)dx / widget->allocation.width; - dvadj_value = view->vadjustment->page_size * - (gdouble)dy / widget->allocation.height; - - /* clamp scrolling to visible area */ - gtk_adjustment_set_value (view->hadjustment, - MIN(view->drag_info.hadj - dhadj_value, - view->hadjustment->upper - - view->hadjustment->page_size)); - gtk_adjustment_set_value (view->vadjustment, - MIN(view->drag_info.vadj - dvadj_value, - view->vadjustment->upper - - view->vadjustment->page_size)); - - return TRUE; - } - - break; - default: - ev_view_handle_cursor_over_xy (view, x, y); - } - - return FALSE; -} - -static gboolean -ev_view_button_release_event (GtkWidget *widget, - GdkEventButton *event) -{ - EvView *view = EV_VIEW (widget); - EvLink *link = NULL; - - view->image_dnd_info.in_drag = FALSE; - - if (view->scroll_info.autoscrolling) { - ev_view_autoscroll_stop (view); - view->pressed_button = -1; - - return TRUE; - } - - if (view->drag_info.in_drag) { - view->drag_info.release_timeout_id = - g_timeout_add (20, - (GSourceFunc)ev_view_scroll_drag_release, view); - } - - if (view->document && !view->drag_info.in_drag && view->pressed_button != 3) { - link = ev_view_get_link_at_location (view, event->x, event->y); - } - - view->drag_info.in_drag = FALSE; - - if (view->pressed_button == 2) { - ev_view_handle_cursor_over_xy (view, event->x, event->y); - } - - view->pressed_button = -1; - - if (view->selection_scroll_id) { - g_source_remove (view->selection_scroll_id); - view->selection_scroll_id = 0; - } - if (view->selection_update_id) { - g_source_remove (view->selection_update_id); - view->selection_update_id = 0; - } - - if (!view->selection_info.in_selection && - view->selection_info.style != EV_SELECTION_STYLE_GLYPH) { - compute_selections (view, - view->selection_info.style, - &(view->selection_info.start), - &(view->selection_info.start)); - } - - if (view->selection_info.selections) { - clear_link_selected (view); - ev_view_update_primary_selection (view); - - if (view->selection_info.in_drag) { - clear_selection (view); - gtk_widget_queue_draw (widget); - } - - view->selection_info.in_drag = FALSE; - } else if (link) { - if (event->button == 2) { - EvLinkAction *action; - EvLinkActionType type; - - action = ev_link_get_action (link); - if (!action) - return FALSE; - - type = ev_link_action_get_action_type (action); - if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) { - g_signal_emit (view, - signals[SIGNAL_EXTERNAL_LINK], - 0, action); - } - } else { - ev_view_handle_link (view, link); - } - } else if (view->presentation) { - switch (event->button) { - case 1: - ev_view_next_page (view); - return TRUE; - case 3: - ev_view_previous_page (view); - return TRUE; - } - } - - return FALSE; -} - -/* Goto Window */ -/* Cut and paste from gtkwindow.c */ -static void -send_focus_change (GtkWidget *widget, - gboolean in) -{ - GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE); - - g_object_ref (widget); - - if (in) - GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS); - else - GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS); - - fevent->focus_change.type = GDK_FOCUS_CHANGE; - fevent->focus_change.window = g_object_ref (widget->window); - fevent->focus_change.in = in; - - gtk_widget_event (widget, fevent); - - g_object_notify (G_OBJECT (widget), "has-focus"); - - g_object_unref (widget); - gdk_event_free (fevent); -} - -static void -ev_view_goto_window_hide (EvView *view) -{ - /* send focus-in event */ - send_focus_change (view->goto_entry, FALSE); - gtk_widget_hide (view->goto_window); - gtk_entry_set_text (GTK_ENTRY (view->goto_entry), ""); -} - -static gboolean -ev_view_goto_window_delete_event (GtkWidget *widget, - GdkEventAny *event, - EvView *view) -{ - ev_view_goto_window_hide (view); - - return TRUE; -} - -static gboolean -key_is_numeric (guint keyval) -{ - return ((keyval >= GDK_0 && keyval <= GDK_9) || - (keyval >= GDK_KP_0 && keyval <= GDK_KP_9)); -} - -static gboolean -ev_view_goto_window_key_press_event (GtkWidget *widget, - GdkEventKey *event, - EvView *view) -{ - switch (event->keyval) { - case GDK_Escape: - case GDK_Tab: - case GDK_KP_Tab: - case GDK_ISO_Left_Tab: - ev_view_goto_window_hide (view); - return TRUE; - case GDK_Return: - case GDK_KP_Enter: - case GDK_ISO_Enter: - case GDK_BackSpace: - case GDK_Delete: - return FALSE; - default: - if (!key_is_numeric (event->keyval)) - return TRUE; - } - - return FALSE; -} - -static gboolean -ev_view_goto_window_button_press_event (GtkWidget *widget, - GdkEventButton *event, - EvView *view) -{ - ev_view_goto_window_hide (view); - - return TRUE; -} - -static void -ev_view_goto_entry_activate (GtkEntry *entry, - EvView *view) -{ - const gchar *text; - gint page; - - text = gtk_entry_get_text (entry); - page = atoi (text) - 1; - - ev_view_goto_window_hide (view); - - if (page >= 0 && - page < ev_page_cache_get_n_pages (view->page_cache)) - ev_page_cache_set_current_page (view->page_cache, page); -} - -static void -ev_view_goto_window_create (EvView *view) -{ - GtkWidget *frame, *hbox, *toplevel, *label; - - toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view)); - - if (view->goto_window) { - if (GTK_WINDOW (toplevel)->group) - gtk_window_group_add_window (GTK_WINDOW (toplevel)->group, - GTK_WINDOW (view->goto_window)); - else if (GTK_WINDOW (view->goto_window)->group) - gtk_window_group_remove_window (GTK_WINDOW (view->goto_window)->group, - GTK_WINDOW (view->goto_window)); - return; - } - - view->goto_window = gtk_window_new (GTK_WINDOW_POPUP); - - if (GTK_WINDOW (toplevel)->group) - gtk_window_group_add_window (GTK_WINDOW (toplevel)->group, - GTK_WINDOW (view->goto_window)); - - gtk_window_set_modal (GTK_WINDOW (view->goto_window), TRUE); - - g_signal_connect (view->goto_window, "delete_event", - G_CALLBACK (ev_view_goto_window_delete_event), - view); - g_signal_connect (view->goto_window, "key_press_event", - G_CALLBACK (ev_view_goto_window_key_press_event), - view); - g_signal_connect (view->goto_window, "button_press_event", - G_CALLBACK (ev_view_goto_window_button_press_event), - view); - - frame = gtk_frame_new (NULL); - gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN); - gtk_container_add (GTK_CONTAINER (view->goto_window), frame); - gtk_widget_show (frame); - - hbox = gtk_hbox_new (FALSE, 0); - gtk_container_set_border_width (GTK_CONTAINER (hbox), 3); - gtk_container_add (GTK_CONTAINER (frame), hbox); - gtk_widget_show (hbox); - - label = gtk_label_new(_("Jump to page:")); - gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 3); - gtk_widget_show (label); - gtk_widget_realize (label); - - view->goto_entry = gtk_entry_new (); - g_signal_connect (view->goto_entry, "activate", - G_CALLBACK (ev_view_goto_entry_activate), - view); - gtk_box_pack_start (GTK_BOX (hbox), view->goto_entry, TRUE, TRUE, 0); - gtk_widget_show (view->goto_entry); - gtk_widget_realize (view->goto_entry); -} - -static void -ev_view_goto_entry_grab_focus (EvView *view) -{ - GtkWidgetClass *entry_parent_class; - - entry_parent_class = g_type_class_peek_parent (GTK_ENTRY_GET_CLASS (view->goto_entry)); - (entry_parent_class->grab_focus) (view->goto_entry); - - send_focus_change (view->goto_entry, TRUE); -} - -static void -ev_view_goto_window_send_key_event (EvView *view, - GdkEvent *event) -{ - GdkEventKey *new_event; - GdkScreen *screen; - - /* Move goto window off screen */ - screen = gtk_widget_get_screen (GTK_WIDGET (view)); - gtk_window_move (GTK_WINDOW (view->goto_window), - gdk_screen_get_width (screen) + 1, - gdk_screen_get_height (screen) + 1); - gtk_widget_show (view->goto_window); - - new_event = (GdkEventKey *) gdk_event_copy (event); - g_object_unref (new_event->window); - new_event->window = g_object_ref (view->goto_window->window); - gtk_widget_realize (view->goto_window); - - gtk_widget_event (view->goto_window, (GdkEvent *)new_event); - gdk_event_free ((GdkEvent *)new_event); - gtk_widget_hide (view->goto_window); -} - -static gboolean -ev_view_key_press_event (GtkWidget *widget, - GdkEventKey *event) -{ - EvView *view = EV_VIEW (widget); - EvPresentationState current; - - if (!view->document) - return FALSE; - - if (!view->presentation || - view->presentation_state == EV_PRESENTATION_END) - return gtk_bindings_activate_event (GTK_OBJECT (widget), event); - - - current = view->presentation_state; - - switch (event->keyval) { - case GDK_b: - case GDK_B: - case GDK_period: - case GDK_KP_Decimal: - view->presentation_state = - (view->presentation_state == EV_PRESENTATION_BLACK) ? - EV_PRESENTATION_NORMAL : EV_PRESENTATION_BLACK; - break; - case GDK_w: - case GDK_W: - view->presentation_state = - (view->presentation_state == EV_PRESENTATION_WHITE) ? - EV_PRESENTATION_NORMAL : EV_PRESENTATION_WHITE; - break; - default: - if (view->presentation_state == EV_PRESENTATION_BLACK || - view->presentation_state == EV_PRESENTATION_WHITE) { - view->presentation_state = EV_PRESENTATION_NORMAL; - } - } - - if (current == view->presentation_state) { - if (ev_page_cache_get_n_pages (view->page_cache) > 1 && - key_is_numeric (event->keyval)) { - gint x, y; - - ev_view_goto_window_create (view); - ev_view_goto_window_send_key_event (view, (GdkEvent *)event); - gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y); - gtk_window_move (GTK_WINDOW (view->goto_window), x, y); - gtk_widget_show (view->goto_window); - ev_view_goto_entry_grab_focus (view); - - return TRUE; - } - - return gtk_bindings_activate_event (GTK_OBJECT (widget), event); - } - - switch (view->presentation_state) { - case EV_PRESENTATION_NORMAL: - case EV_PRESENTATION_BLACK: - gdk_window_set_background (view->layout.bin_window, - &widget->style->black); - break; - case EV_PRESENTATION_WHITE: - gdk_window_set_background (view->layout.bin_window, - &widget->style->white); - break; - default: - return gtk_bindings_activate_event (GTK_OBJECT (widget), event); - } - - gtk_widget_queue_draw (widget); - return TRUE; -} - -static gint -ev_view_focus_in (GtkWidget *widget, - GdkEventFocus *event) -{ - if (EV_VIEW (widget)->pixbuf_cache) - ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache); - gtk_widget_queue_draw (widget); - - return FALSE; -} - -static gint -ev_view_focus_out (GtkWidget *widget, - GdkEventFocus *event) -{ - if (EV_VIEW (widget)->goto_window) - ev_view_goto_window_hide (EV_VIEW (widget)); - - if (EV_VIEW (widget)->pixbuf_cache) - ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache); - gtk_widget_queue_draw (widget); - - return FALSE; -} - -static gboolean -ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event) -{ - EvView *view = EV_VIEW (widget); - - if (view->cursor != EV_VIEW_CURSOR_NORMAL) - ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL); - - return FALSE; -} - -static gboolean -ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event) -{ - EvView *view = EV_VIEW (widget); - - ev_view_handle_cursor_over_xy (view, event->x, event->y); - - return FALSE; -} - -static void -ev_view_style_set (GtkWidget *widget, - GtkStyle *old_style) -{ - if (EV_VIEW (widget)->pixbuf_cache) - ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache); - - GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style); -} - -/*** Drawing ***/ - -static guint32 -ev_gdk_color_to_rgb (const GdkColor *color) -{ - guint32 result; - result = (0xff0000 | (color->red & 0xff00)); - result <<= 8; - result |= ((color->green & 0xff00) | (color->blue >> 8)); - return result; -} - -static void -draw_rubberband (GtkWidget *widget, GdkWindow *window, - const GdkRectangle *rect, guchar alpha) -{ - GdkGC *gc; - GdkPixbuf *pixbuf; - GdkColor *fill_color_gdk; - guint fill_color; - - fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]); - fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha; - - pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, - rect->width, rect->height); - gdk_pixbuf_fill (pixbuf, fill_color); - - gdk_draw_pixbuf (window, NULL, pixbuf, - 0, 0, - rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y, - rect->width, rect->height, - GDK_RGB_DITHER_NONE, - 0, 0); - - g_object_unref (pixbuf); - - gc = gdk_gc_new (window); - gdk_gc_set_rgb_fg_color (gc, fill_color_gdk); - gdk_draw_rectangle (window, gc, FALSE, - rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y, - rect->width - 1, - rect->height - 1); - g_object_unref (gc); - - gdk_color_free (fill_color_gdk); -} - - -static void -highlight_find_results (EvView *view, int page) -{ - gint i, n_results = 0; - - n_results = ev_view_find_get_n_results (view, page); - - for (i = 0; i < n_results; i++) { - EvRectangle *rectangle; - GdkRectangle view_rectangle; - guchar alpha; - - if (i == view->find_result && page == view->current_page) { - alpha = 0x90; - } else { - alpha = 0x20; - } - - rectangle = ev_view_find_get_result (view, page, i); - doc_rect_to_view_rect (view, page, rectangle, &view_rectangle); - draw_rubberband (GTK_WIDGET (view), view->layout.bin_window, - &view_rectangle, alpha); - } -} - -static void -draw_loading_text (EvView *view, - GdkRectangle *page_area, - GdkRectangle *expose_area) -{ - cairo_t *cr; - gint width, height; - - if (!view->loading_text) { - const gchar *loading_text = _("Loading..."); - PangoLayout *layout; - PangoFontDescription *font_desc; - PangoRectangle logical_rect; - gint target_width; - gdouble real_scale; - - ev_document_fc_mutex_lock (); - - layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text); - - font_desc = pango_font_description_new (); - - /* We set the font to be 10 points, get the size, and scale appropriately */ - pango_font_description_set_size (font_desc, 10 * PANGO_SCALE); - pango_layout_set_font_description (layout, font_desc); - pango_layout_get_pixel_extents (layout, NULL, &logical_rect); - - target_width = MAX (page_area->width / 2, 1); - real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10); - pango_font_description_set_size (font_desc, (int)real_scale); - pango_layout_set_font_description (layout, font_desc); - pango_layout_get_pixel_extents (layout, NULL, &logical_rect); - - view->loading_text = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, - logical_rect.width, - logical_rect.height); - cr = cairo_create (view->loading_text); - cairo_set_source_rgb (cr, - 155 / (double)255, - 155 / (double)255, - 155 / (double)255); - pango_cairo_show_layout (cr, layout); - cairo_destroy (cr); - - pango_font_description_free (font_desc); - g_object_unref (layout); - - ev_document_fc_mutex_unlock (); - } - - width = (page_area->width - cairo_image_surface_get_width (view->loading_text)) / 2; - height = (page_area->height - cairo_image_surface_get_height (view->loading_text)) / 2; - - cr = gdk_cairo_create (view->layout.bin_window); - cairo_translate (cr, - page_area->x + width, - page_area->y + height); - cairo_set_source_surface (cr, view->loading_text, 0, 0); - cairo_paint (cr); - cairo_destroy (cr); -} - -static void -draw_one_page (EvView *view, - gint page, - cairo_t *cr, - GdkRectangle *page_area, - GtkBorder *border, - GdkRectangle *expose_area, - gboolean *page_ready) -{ - GdkRectangle overlap; - GdkRectangle real_page_area; - - g_assert (view->document); - - if (! gdk_rectangle_intersect (page_area, expose_area, &overlap)) - return; - - /* Render the document itself */ - real_page_area = *page_area; - - real_page_area.x += border->left; - real_page_area.y += border->top; - real_page_area.width -= (border->left + border->right); - real_page_area.height -= (border->top + border->bottom); - *page_ready = TRUE; - - if (!view->presentation) { - gint current_page; - - current_page = ev_page_cache_get_current_page (view->page_cache); - ev_document_misc_paint_one_page (view->layout.bin_window, - GTK_WIDGET (view), - page_area, border, - page == current_page); - } - - if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) { - gint width, height; - gint page_width, page_height; - cairo_surface_t *page_surface = NULL; - gint selection_width, selection_height; - cairo_surface_t *selection_surface = NULL; - - page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page); - - if (!page_surface) { - if (!view->presentation) { - draw_loading_text (view, - &real_page_area, - expose_area); - } - - *page_ready = FALSE; - - return; - } - - ev_page_cache_get_size (view->page_cache, - page, view->rotation, - view->scale, - &width, &height); - - page_width = cairo_image_surface_get_width (page_surface); - page_height = cairo_image_surface_get_height (page_surface); - - cairo_save (cr); - cairo_translate (cr, overlap.x, overlap.y); - - if (width != page_width || height != page_height) { - cairo_pattern_set_filter (cairo_get_source (cr), - CAIRO_FILTER_FAST); - cairo_scale (cr, - (gdouble)width / page_width, - (gdouble)height / page_height); - } - - cairo_surface_set_device_offset (page_surface, - overlap.x - real_page_area.x, - overlap.y - real_page_area.y); - cairo_set_source_surface (cr, page_surface, 0, 0); - cairo_paint (cr); - cairo_restore (cr); - - /* Get the selection pixbuf iff we have something to draw */ - if (find_selection_for_page (view, page) && - view->selection_mode == EV_VIEW_SELECTION_TEXT) { - selection_surface = - ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache, - page, - view->scale, - NULL); - } - - if (!selection_surface) { - return; - } - - selection_width = cairo_image_surface_get_width (selection_surface); - selection_height = cairo_image_surface_get_height (selection_surface); - - cairo_save (cr); - cairo_translate (cr, overlap.x, overlap.y); - - if (width != selection_width || height != selection_height) { - cairo_pattern_set_filter (cairo_get_source (cr), - CAIRO_FILTER_FAST); - cairo_scale (cr, - (gdouble)width / selection_width, - (gdouble)height / selection_height); - } - - cairo_surface_set_device_offset (selection_surface, - overlap.x - real_page_area.x, - overlap.y - real_page_area.y); - cairo_set_source_surface (cr, selection_surface, 0, 0); - cairo_paint (cr); - cairo_restore (cr); - } -} - -/*** GObject functions ***/ - -static void -ev_view_finalize (GObject *object) -{ - EvView *view = EV_VIEW (object); - - clear_selection (view); - clear_link_selected (view); - - if (view->image_dnd_info.image) - g_object_unref (view->image_dnd_info.image); - view->image_dnd_info.image = NULL; - - G_OBJECT_CLASS (ev_view_parent_class)->finalize (object); -} - -static void -ev_view_destroy (GtkObject *object) -{ - EvView *view = EV_VIEW (object); - - if (view->document) { - g_object_unref (view->document); - view->document = NULL; - } - - if (view->pixbuf_cache) { - g_object_unref (view->pixbuf_cache); - view->pixbuf_cache = NULL; - } - - if (view->goto_window) { - gtk_widget_destroy (view->goto_window); - view->goto_window = NULL; - view->goto_entry = NULL; - } - - if (view->selection_scroll_id) { - g_source_remove (view->selection_scroll_id); - view->selection_scroll_id = 0; - } - - if (view->selection_update_id) { - g_source_remove (view->selection_update_id); - view->selection_update_id = 0; - } - - if (view->loading_text) { - cairo_surface_destroy (view->loading_text); - view->loading_text = NULL; - } - - if (view->scroll_info.timeout_id) { - g_source_remove (view->scroll_info.timeout_id); - view->scroll_info.timeout_id = 0; - } - - if (view->drag_info.drag_timeout_id) { - g_source_remove (view->drag_info.drag_timeout_id); - view->drag_info.drag_timeout_id = 0; - } - - if (view->drag_info.release_timeout_id) { - g_source_remove (view->drag_info.release_timeout_id); - view->drag_info.release_timeout_id = 0; - } - - ev_view_presentation_transition_stop (view); - - ev_view_set_scroll_adjustments (GTK_LAYOUT (view), NULL, NULL); - - GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object); -} - -static void -ev_view_set_property (GObject *object, - guint prop_id, - const GValue *value, - GParamSpec *pspec) -{ - EvView *view = EV_VIEW (object); - - switch (prop_id) { - case PROP_CONTINUOUS: - ev_view_set_continuous (view, g_value_get_boolean (value)); - break; - case PROP_DUAL_PAGE: - ev_view_set_dual_page (view, g_value_get_boolean (value)); - break; - case PROP_FULLSCREEN: - ev_view_set_fullscreen (view, g_value_get_boolean (value)); - break; - case PROP_PRESENTATION: - ev_view_set_presentation (view, g_value_get_boolean (value)); - break; - case PROP_SIZING_MODE: - ev_view_set_sizing_mode (view, g_value_get_enum (value)); - break; - case PROP_ZOOM: - ev_view_set_zoom (view, g_value_get_double (value), FALSE); - break; - case PROP_ROTATION: - ev_view_set_rotation (view, g_value_get_int (value)); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - } -} - -static AtkObject * -ev_view_get_accessible (GtkWidget *widget) -{ - static gboolean first_time = TRUE; - - if (first_time) { - AtkObjectFactory *factory; - AtkRegistry *registry; - GType derived_type; - GType derived_atk_type; - - /* - * Figure out whether accessibility is enabled by looking at the - * type of the accessible object which would be created for - * the parent type of EvView. - */ - derived_type = g_type_parent (EV_TYPE_VIEW); - - registry = atk_get_default_registry (); - factory = atk_registry_get_factory (registry, - derived_type); - derived_atk_type = atk_object_factory_get_accessible_type (factory); - if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE)) - atk_registry_set_factory_type (registry, - EV_TYPE_VIEW, - ev_view_accessible_factory_get_type ()); - first_time = FALSE; - } - return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget); -} - -static void -ev_view_get_property (GObject *object, - guint prop_id, - GValue *value, - GParamSpec *pspec) -{ - EvView *view = EV_VIEW (object); - - switch (prop_id) { - case PROP_CONTINUOUS: - g_value_set_boolean (value, view->continuous); - break; - case PROP_DUAL_PAGE: - g_value_set_boolean (value, view->dual_page); - break; - case PROP_FULLSCREEN: - g_value_set_boolean (value, view->fullscreen); - break; - case PROP_PRESENTATION: - g_value_set_boolean (value, view->presentation); - break; - case PROP_SIZING_MODE: - g_value_set_enum (value, view->sizing_mode); - break; - case PROP_ZOOM: - g_value_set_double (value, view->scale); - break; - case PROP_ROTATION: - g_value_set_int (value, view->rotation); - break; - case PROP_HAS_SELECTION: - g_value_set_boolean (value, - view->selection_info.selections != NULL); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - } -} - -static void -ev_view_class_init (EvViewClass *class) -{ - GObjectClass *object_class = G_OBJECT_CLASS (class); - GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class); - GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class); - GtkLayoutClass *layout_class = GTK_LAYOUT_CLASS (class); - GtkBindingSet *binding_set; - - object_class->finalize = ev_view_finalize; - object_class->set_property = ev_view_set_property; - object_class->get_property = ev_view_get_property; - - widget_class->expose_event = ev_view_expose_event; - widget_class->button_press_event = ev_view_button_press_event; - widget_class->motion_notify_event = ev_view_motion_notify_event; - widget_class->button_release_event = ev_view_button_release_event; - widget_class->key_press_event = ev_view_key_press_event; - widget_class->focus_in_event = ev_view_focus_in; - widget_class->focus_out_event = ev_view_focus_out; - widget_class->get_accessible = ev_view_get_accessible; - widget_class->size_request = ev_view_size_request; - widget_class->size_allocate = ev_view_size_allocate; - widget_class->realize = ev_view_realize; - widget_class->scroll_event = ev_view_scroll_event; - widget_class->enter_notify_event = ev_view_enter_notify_event; - widget_class->leave_notify_event = ev_view_leave_notify_event; - widget_class->style_set = ev_view_style_set; - widget_class->drag_data_get = ev_view_drag_data_get; - widget_class->drag_motion = ev_view_drag_motion; - widget_class->popup_menu = ev_view_popup_menu; - widget_class->query_tooltip = ev_view_query_tooltip; - - gtk_object_class->destroy = ev_view_destroy; - - layout_class->set_scroll_adjustments = ev_view_set_scroll_adjustments; - - class->binding_activated = ev_view_scroll; - - signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated", - G_TYPE_FROM_CLASS (object_class), - G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, - G_STRUCT_OFFSET (EvViewClass, binding_activated), - NULL, NULL, - ev_marshal_VOID__ENUM_BOOLEAN, - G_TYPE_NONE, 2, - GTK_TYPE_SCROLL_TYPE, - G_TYPE_BOOLEAN); - - signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid", - G_TYPE_FROM_CLASS (object_class), - G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, - G_STRUCT_OFFSET (EvViewClass, zoom_invalid), - NULL, NULL, - ev_marshal_VOID__VOID, - G_TYPE_NONE, 0, G_TYPE_NONE); - signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link", - G_TYPE_FROM_CLASS (object_class), - G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, - G_STRUCT_OFFSET (EvViewClass, handle_link), - NULL, NULL, - g_cclosure_marshal_VOID__OBJECT, - G_TYPE_NONE, 1, - G_TYPE_OBJECT); - signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link", - G_TYPE_FROM_CLASS (object_class), - G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, - G_STRUCT_OFFSET (EvViewClass, external_link), - NULL, NULL, - g_cclosure_marshal_VOID__OBJECT, - G_TYPE_NONE, 1, - G_TYPE_OBJECT); - signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup", - G_TYPE_FROM_CLASS (object_class), - G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, - G_STRUCT_OFFSET (EvViewClass, popup_menu), - NULL, NULL, - g_cclosure_marshal_VOID__OBJECT, - G_TYPE_NONE, 1, - G_TYPE_OBJECT); - - - g_object_class_install_property (object_class, - PROP_CONTINUOUS, - g_param_spec_boolean ("continuous", - "Continuous", - "Continuous scrolling mode", - TRUE, - G_PARAM_READWRITE)); - - g_object_class_install_property (object_class, - PROP_DUAL_PAGE, - g_param_spec_boolean ("dual-page", - "Dual Page", - "Two pages visible at once", - FALSE, - G_PARAM_READWRITE)); - g_object_class_install_property (object_class, - PROP_FULLSCREEN, - g_param_spec_boolean ("fullscreen", - "Full Screen", - "Draw page in a fullscreen fashion", - FALSE, - G_PARAM_READWRITE)); - g_object_class_install_property (object_class, - PROP_PRESENTATION, - g_param_spec_boolean ("presentation", - "Presentation", - "Draw page in presentation mode", - TRUE, - G_PARAM_READWRITE)); - - g_object_class_install_property (object_class, - PROP_SIZING_MODE, - g_param_spec_enum ("sizing-mode", - "Sizing Mode", - "Sizing Mode", - EV_TYPE_SIZING_MODE, - EV_SIZING_FIT_WIDTH, - G_PARAM_READWRITE)); - - g_object_class_install_property (object_class, - PROP_ZOOM, - g_param_spec_double ("zoom", - "Zoom factor", - "Zoom factor", - 0, - G_MAXDOUBLE, - 1.0, - G_PARAM_READWRITE)); - g_object_class_install_property (object_class, - PROP_ROTATION, - g_param_spec_double ("rotation", - "Rotation", - "Rotation", - 0, - 360, - 0, - G_PARAM_READWRITE)); - g_object_class_install_property (object_class, - PROP_HAS_SELECTION, - g_param_spec_boolean ("has-selection", - "Has selection", - "The view has selections", - FALSE, - G_PARAM_READABLE)); - - binding_set = gtk_binding_set_by_class (class); - - add_scroll_binding_keypad (binding_set, GDK_Left, 0, GTK_SCROLL_STEP_BACKWARD, TRUE); - add_scroll_binding_keypad (binding_set, GDK_Right, 0, GTK_SCROLL_STEP_FORWARD, TRUE); - add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, TRUE); - add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, TRUE); - add_scroll_binding_keypad (binding_set, GDK_Up, 0, GTK_SCROLL_STEP_BACKWARD, FALSE); - add_scroll_binding_keypad (binding_set, GDK_Down, 0, GTK_SCROLL_STEP_FORWARD, FALSE); - add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, FALSE); - add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, FALSE); - gtk_binding_entry_add_signal (binding_set, GDK_H, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE, - GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE); - gtk_binding_entry_add_signal (binding_set, GDK_J, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE, - GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE); - gtk_binding_entry_add_signal (binding_set, GDK_K, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE, - GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE); - gtk_binding_entry_add_signal (binding_set, GDK_L, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE, - GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE); - -} - -static void -ev_view_init (EvView *view) -{ - GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS); - - view->spacing = 5; - view->scale = 1.0; - view->current_page = 0; - view->pressed_button = -1; - view->cursor = EV_VIEW_CURSOR_NORMAL; - view->drag_info.in_drag = FALSE; - view->scroll_info.autoscrolling = FALSE; - view->selection_info.selections = NULL; - view->selection_info.in_selection = FALSE; - view->selection_info.in_drag = FALSE; - view->selection_mode = EV_VIEW_SELECTION_TEXT; - view->continuous = TRUE; - view->dual_page = FALSE; - view->presentation = FALSE; - view->presentation_state = EV_PRESENTATION_NORMAL; - view->fullscreen = FALSE; - view->sizing_mode = EV_SIZING_FIT_WIDTH; - view->pending_scroll = SCROLL_TO_KEEP_POSITION; - view->jump_to_find_result = TRUE; - view->highlight_find_results = FALSE; - - gtk_layout_set_hadjustment (GTK_LAYOUT (view), NULL); - gtk_layout_set_vadjustment (GTK_LAYOUT (view), NULL); -} - -/*** Callbacks ***/ - -static void -ev_view_change_page (EvView *view, - gint new_page, - gboolean start_transition) -{ - gint x, y; - - view->current_page = new_page; - view->pending_scroll = SCROLL_TO_PAGE_POSITION; - - if (view->presentation && start_transition) - ev_view_presentation_transition_start (view); - - gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y); - ev_view_handle_cursor_over_xy (view, x, y); - - gtk_widget_queue_resize (GTK_WIDGET (view)); -} - -static void -ev_view_transition_animation_finish (EvTransitionAnimation *animation, - EvView *view) -{ - g_object_unref (view->animation); - view->animation = NULL; - ev_view_change_page (view, view->current_page, TRUE); -} - -/** - * ev_view_transition_animation_cancel: - * @animation: Animation to finish - * @view: An EvView - * - * Does almost the same as cancel, but without scheduling the transition. - */ - -static void -ev_view_transition_animation_cancel (EvTransitionAnimation *animation, - EvView *view) -{ - g_object_unref (view->animation); - view->animation = NULL; - ev_view_change_page (view, view->current_page, FALSE); -} - -static void -ev_view_transition_animation_frame (EvTransitionAnimation *animation, - gdouble progress, - EvView *view) -{ - gtk_widget_queue_draw (GTK_WIDGET (view)); -} - -static void -ev_view_presentation_animation_start (EvView *view, - int new_page) -{ - EvTransitionEffect *effect = NULL; - cairo_surface_t *surface; - - if (EV_IS_DOCUMENT_TRANSITION (view->document)) - effect = ev_document_transition_get_effect (EV_DOCUMENT_TRANSITION (view->document), - view->current_page); - if (!effect) - return; - - surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page); - view->animation = ev_transition_animation_new (effect); - ev_transition_animation_set_origin_surface (view->animation, surface); - - g_signal_connect (view->animation, "frame", - G_CALLBACK (ev_view_transition_animation_frame), view); - g_signal_connect (view->animation, "finished", - G_CALLBACK (ev_view_transition_animation_finish), view); -} - -static void -job_finished_cb (EvPixbufCache *pixbuf_cache, - GdkRegion *region, - EvView *view) -{ - if (view->animation) { - cairo_surface_t *surface; - - surface = ev_pixbuf_cache_get_surface (pixbuf_cache, view->current_page); - ev_transition_animation_set_dest_surface (view->animation, surface); - } - - if (region) { - gdk_window_invalidate_region (view->layout.bin_window, - region, TRUE); - } else { - gtk_widget_queue_draw (GTK_WIDGET (view)); - } -} - -static void -page_changed_cb (EvPageCache *page_cache, - int new_page, - EvView *view) -{ - if (view->current_page != new_page) { - if (view->presentation) - ev_view_presentation_animation_start (view, new_page); - - ev_view_change_page (view, new_page, TRUE); - } else { - gtk_widget_queue_draw (GTK_WIDGET (view)); - } - - view->find_result = 0; -} - -static void -on_adjustment_value_changed (GtkAdjustment *adjustment, - EvView *view) -{ - int dx = 0, dy = 0; - gint x, y; - GList *children, *l; - - if (! GTK_WIDGET_REALIZED (view)) - return; - - if (view->hadjustment) { - dx = view->scroll_x - (int) view->hadjustment->value; - view->scroll_x = (int) view->hadjustment->value; - } else { - view->scroll_x = 0; - } - - if (view->vadjustment) { - dy = view->scroll_y - (int) view->vadjustment->value; - view->scroll_y = (int) view->vadjustment->value; - } else { - view->scroll_y = 0; - } - - children = gtk_container_get_children (GTK_CONTAINER (view)); - for (l = children; l && l->data; l = g_list_next (l)) { - gint child_x, child_y; - GtkWidget *child = (GtkWidget *)l->data; - - gtk_container_child_get (GTK_CONTAINER (view), - child, - "x", &child_x, - "y", &child_y, - NULL); - gtk_layout_move (GTK_LAYOUT (view), child, child_x + dx, child_y + dy); - } - g_list_free (children); - - if (view->pending_resize) - gtk_widget_queue_draw (GTK_WIDGET (view)); - else - gdk_window_scroll (view->layout.bin_window, dx, dy); - - gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y); - ev_view_handle_cursor_over_xy (view, x, y); - - if (view->document) - view_update_range_and_current_page (view); -} - -GtkWidget* -ev_view_new (void) -{ - GtkWidget *view; - - view = g_object_new (EV_TYPE_VIEW, NULL); - - return view; -} - -static void -setup_caches (EvView *view) -{ - view->page_cache = ev_page_cache_get (view->document); - g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view); - view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document); - g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view); - page_changed_cb (view->page_cache, - ev_page_cache_get_current_page (view->page_cache), - view); -} - -static void -clear_caches (EvView *view) -{ - if (view->pixbuf_cache) { - g_object_unref (view->pixbuf_cache); - view->pixbuf_cache = NULL; - } - - if (view->page_cache) { - view->page_cache = NULL; - } -} - -void -ev_view_set_loading (EvView *view, - gboolean loading) -{ - view->loading = loading; - gtk_widget_queue_draw (GTK_WIDGET (view)); -} - -static gboolean -ev_view_autoscroll_cb (EvView *view) -{ - gdouble speed, value; - - /* If the user stops autoscrolling, autoscrolling will be - * set to false but the timeout will continue; stop the timeout: */ - if (!view->scroll_info.autoscrolling) { - view->scroll_info.timeout_id = 0; - return FALSE; - } - - if (view->scroll_info.last_y > view->scroll_info.start_y && - (view->scroll_info.last_y < view->scroll_info.start_y)) - return TRUE; - - /* Replace 100 with your speed of choice: The lower the faster. - * Replace 3 with another speed of choice: The higher, the faster it accelerated - * based on the distance of the starting point from the mouse - * (All also effected by the timeout interval of this callback) */ - - if (view->scroll_info.start_y > view->scroll_info.last_y) - speed = -pow ((((gdouble)view->scroll_info.start_y - view->scroll_info.last_y) / 100), 3); - else - speed = pow ((((gdouble)view->scroll_info.last_y - view->scroll_info.start_y) / 100), 3); - - value = gtk_adjustment_get_value (view->vadjustment); - value = CLAMP (value + speed, 0, view->vadjustment->upper - view->vadjustment->page_size); - gtk_adjustment_set_value (view->vadjustment, value); - - return TRUE; - -} - -void -ev_view_autoscroll_start (EvView *view) -{ - gint x, y; - - g_return_if_fail (EV_IS_VIEW (view)); - - if (view->scroll_info.autoscrolling) - return; - - view->scroll_info.autoscrolling = TRUE; - view->scroll_info.timeout_id = - g_timeout_add (20, (GSourceFunc)ev_view_autoscroll_cb, - view); - - gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y); - ev_view_handle_cursor_over_xy (view, x, y); -} - -void -ev_view_autoscroll_stop (EvView *view) -{ - gint x, y; - - g_return_if_fail (EV_IS_VIEW (view)); - - if (!view->scroll_info.autoscrolling) - return; - - view->scroll_info.autoscrolling = FALSE; - if (view->scroll_info.timeout_id) { - g_source_remove (view->scroll_info.timeout_id); - view->scroll_info.timeout_id = 0; - } - - gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y); - ev_view_handle_cursor_over_xy (view, x, y); -} - -void -ev_view_set_document (EvView *view, - EvDocument *document) -{ - g_return_if_fail (EV_IS_VIEW (view)); - - view->loading = FALSE; - - if (document != view->document) { - clear_caches (view); - - if (view->document) { - g_object_unref (view->document); - view->page_cache = NULL; - } - - view->document = document; - view->find_result = 0; - - if (view->document) { - g_object_ref (view->document); - setup_caches (view); - } - - gtk_widget_queue_resize (GTK_WIDGET (view)); - } -} - -static void -ev_view_reload_page (EvView *view, - gint page, - GdkRegion *region) -{ - ev_pixbuf_cache_reload_page (view->pixbuf_cache, - region, - page, - view->rotation, - view->scale); -} - -void -ev_view_reload (EvView *view) -{ - ev_pixbuf_cache_clear (view->pixbuf_cache); - view_update_range_and_current_page (view); -} - -/*** Zoom and sizing mode ***/ - -#define EPSILON 0.0000001 -void -ev_view_set_zoom (EvView *view, - double factor, - gboolean relative) -{ - double scale; - - if (relative) - scale = view->scale * factor; - else - scale = factor; - - scale = CLAMP (scale, - view->sizing_mode == EV_SIZING_FREE ? view->min_scale : 0, - view->max_scale); - - if (ABS (view->scale - scale) < EPSILON) - return; - - if (view->loading_text) { - cairo_surface_destroy (view->loading_text); - view->loading_text = NULL; - } - - view->scale = scale; - view->pending_resize = TRUE; - - gtk_widget_queue_resize (GTK_WIDGET (view)); - - g_object_notify (G_OBJECT (view), "zoom"); -} - -double -ev_view_get_zoom (EvView *view) -{ - return view->scale; -} - -void -ev_view_set_screen_dpi (EvView *view, - gdouble dpi) -{ - g_return_if_fail (EV_IS_VIEW (view)); - g_return_if_fail (dpi > 0); - - view->dpi = dpi; - view->min_scale = MIN_SCALE * dpi / 72.0; - view->max_scale = MAX_SCALE * dpi / 72.0; -} - -gboolean -ev_view_get_continuous (EvView *view) -{ - g_return_val_if_fail (EV_IS_VIEW (view), FALSE); - - return view->continuous; -} - -void -ev_view_set_continuous (EvView *view, - gboolean continuous) -{ - g_return_if_fail (EV_IS_VIEW (view)); - - continuous = continuous != FALSE; - - if (view->continuous != continuous) { - view->continuous = continuous; - view->pending_scroll = SCROLL_TO_PAGE_POSITION; - gtk_widget_queue_resize (GTK_WIDGET (view)); - } - - g_object_notify (G_OBJECT (view), "continuous"); -} - -gboolean -ev_view_get_dual_page (EvView *view) -{ - g_return_val_if_fail (EV_IS_VIEW (view), FALSE); - - return view->dual_page; -} - -void -ev_view_set_dual_page (EvView *view, - gboolean dual_page) -{ - g_return_if_fail (EV_IS_VIEW (view)); - - dual_page = dual_page != FALSE; - - if (view->dual_page == dual_page) - return; - - view->pending_scroll = SCROLL_TO_PAGE_POSITION; - view->dual_page = dual_page; - /* FIXME: if we're keeping the pixbuf cache around, we should extend the - * preload_cache_size to be 2 if dual_page is set. - */ - gtk_widget_queue_resize (GTK_WIDGET (view)); - - g_object_notify (G_OBJECT (view), "dual-page"); -} - -void -ev_view_set_fullscreen (EvView *view, - gboolean fullscreen) -{ - g_return_if_fail (EV_IS_VIEW (view)); - - fullscreen = fullscreen != FALSE; - - if (view->fullscreen == fullscreen) - return; - - view->fullscreen = fullscreen; - gtk_widget_queue_resize (GTK_WIDGET (view)); - - g_object_notify (G_OBJECT (view), "fullscreen"); -} - -gboolean -ev_view_get_fullscreen (EvView *view) -{ - g_return_val_if_fail (EV_IS_VIEW (view), FALSE); - - return view->fullscreen; -} - -void -ev_view_set_presentation (EvView *view, - gboolean presentation) -{ - g_return_if_fail (EV_IS_VIEW (view)); - - presentation = presentation != FALSE; - - if (view->presentation == presentation) - return; - - if (!presentation) - view->presentation_state = EV_PRESENTATION_NORMAL; - - view->presentation = presentation; - view->pending_scroll = SCROLL_TO_PAGE_POSITION; - - if (presentation) { - view->sizing_mode_saved = view->sizing_mode; - view->scale_saved = view->scale; - ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT); - } else { - ev_view_set_sizing_mode (view, view->sizing_mode_saved); - ev_view_set_zoom (view, view->scale_saved, FALSE); - } - - gtk_widget_queue_resize (GTK_WIDGET (view)); - - if (presentation) - ev_view_presentation_transition_start (view); - else { - ev_view_presentation_transition_stop (view); - - if (view->animation) { - /* stop any running animation */ - ev_view_transition_animation_cancel (view->animation, view); - } - } - - if (GTK_WIDGET_REALIZED (view)) { - if (view->presentation) - gdk_window_set_background (view->layout.bin_window, - >K_WIDGET (view)->style->black); - else - gdk_window_set_background (view->layout.bin_window, - >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]); - } - - g_object_notify (G_OBJECT (view), "presentation"); -} - -gboolean -ev_view_get_presentation (EvView *view) -{ - g_return_val_if_fail (EV_IS_VIEW (view), FALSE); - - return view->presentation; -} - -static gboolean -transition_next_page (EvView *view) -{ - ev_view_next_page (view); - - return FALSE; -} - -static void -ev_view_presentation_transition_stop (EvView *view) -{ - if (view->trans_timeout_id > 0) - g_source_remove (view->trans_timeout_id); - view->trans_timeout_id = 0; -} - -static void -ev_view_presentation_transition_start (EvView *view) -{ - gdouble duration; - - if (!EV_IS_DOCUMENT_TRANSITION (view->document)) - return; - - ev_view_presentation_transition_stop (view); - - duration = ev_document_transition_get_page_duration (EV_DOCUMENT_TRANSITION (view->document), - view->current_page); - if (duration > 0) { - view->trans_timeout_id = - g_timeout_add_seconds (duration, - (GSourceFunc) transition_next_page, - view); - } -} - -void -ev_view_set_sizing_mode (EvView *view, - EvSizingMode sizing_mode) -{ - g_return_if_fail (EV_IS_VIEW (view)); - - if (view->sizing_mode == sizing_mode) - return; - - view->sizing_mode = sizing_mode; - gtk_widget_queue_resize (GTK_WIDGET (view)); - - g_object_notify (G_OBJECT (view), "sizing-mode"); -} - -EvSizingMode -ev_view_get_sizing_mode (EvView *view) -{ - g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE); - - return view->sizing_mode; -} - -gboolean -ev_view_can_zoom_in (EvView *view) -{ - return view->scale * ZOOM_IN_FACTOR <= view->max_scale; -} - -gboolean -ev_view_can_zoom_out (EvView *view) -{ - return view->scale * ZOOM_OUT_FACTOR >= view->min_scale; -} - -void -ev_view_zoom_in (EvView *view) -{ - g_return_if_fail (view->sizing_mode == EV_SIZING_FREE); - - if (view->presentation) - return; - - view->pending_scroll = SCROLL_TO_CENTER; - ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE); -} - -void -ev_view_zoom_out (EvView *view) -{ - g_return_if_fail (view->sizing_mode == EV_SIZING_FREE); - - if (view->presentation) - return; - - view->pending_scroll = SCROLL_TO_CENTER; - ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE); -} - -void -ev_view_rotate_right (EvView *view) -{ - int rotation = view->rotation + 90; - - if (rotation >= 360) { - rotation -= 360; - } - - ev_view_set_rotation (view, rotation); -} - -void -ev_view_rotate_left (EvView *view) -{ - int rotation = view->rotation - 90; - - if (rotation < 0) { - rotation += 360; - } - - ev_view_set_rotation (view, rotation); -} - -void -ev_view_set_rotation (EvView *view, int rotation) -{ - view->rotation = rotation; - - if (view->pixbuf_cache) { - ev_pixbuf_cache_clear (view->pixbuf_cache); - gtk_widget_queue_resize (GTK_WIDGET (view)); - } - - if (rotation != 0) - clear_selection (view); - - g_object_notify (G_OBJECT (view), "rotation"); -} - -int -ev_view_get_rotation (EvView *view) -{ - return view->rotation; -} - -static double -zoom_for_size_fit_width (int doc_width, - int doc_height, - int target_width, - int target_height, - int vsb_width) -{ - double scale; - - scale = (double)target_width / doc_width; - - if (doc_height * scale > target_height) - scale = (double) (target_width - vsb_width) / doc_width; - - return scale; -} - -static double -zoom_for_size_fit_height (int doc_width, - int doc_height, - int target_width, - int target_height, - int vsb_height) -{ - double scale; - - scale = (double)target_height / doc_height; - - if (doc_width * scale > target_width) - scale = (double) (target_height - vsb_height) / doc_height; - - return scale; -} - -static double -zoom_for_size_best_fit (int doc_width, - int doc_height, - int target_width, - int target_height, - int vsb_width, - int hsb_width) -{ - double w_scale; - double h_scale; - - w_scale = (double)target_width / doc_width; - h_scale = (double)target_height / doc_height; - - if (doc_height * w_scale > target_height) - w_scale = (double) (target_width - vsb_width) / doc_width; - if (doc_width * h_scale > target_width) - h_scale = (double) (target_height - hsb_width) / doc_height; - - return MIN (w_scale, h_scale); -} - - -static void -ev_view_zoom_for_size_presentation (EvView *view, - int width, - int height) -{ - int doc_width, doc_height; - gdouble scale; - - ev_page_cache_get_size (view->page_cache, - view->current_page, - view->rotation, - 1.0, - &doc_width, - &doc_height); - scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0); - ev_view_set_zoom (view, scale, FALSE); -} - -static void -ev_view_zoom_for_size_continuous_and_dual_page (EvView *view, - int width, - int height, - int vsb_width, - int hsb_height) -{ - int doc_width, doc_height; - GtkBorder border; - gdouble scale; - - ev_page_cache_get_max_width (view->page_cache, - view->rotation, - 1.0, - &doc_width); - ev_page_cache_get_max_height (view->page_cache, - view->rotation, - 1.0, - &doc_height); - compute_border (view, doc_width, doc_height, &border); - - doc_width = doc_width * 2; - width -= (2 * (border.left + border.right) + 3 * view->spacing); - height -= (border.top + border.bottom + 2 * view->spacing - 1); - - /* FIXME: We really need to calculate the overall height here, not the - * page height. We assume there's always a vertical scrollbar for - * now. We need to fix this. */ - if (view->sizing_mode == EV_SIZING_FIT_WIDTH) - scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0); - else if (view->sizing_mode == EV_SIZING_BEST_FIT) - scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height); - else - g_assert_not_reached (); - - ev_view_set_zoom (view, scale, FALSE); -} - -static void -ev_view_zoom_for_size_continuous (EvView *view, - int width, - int height, - int vsb_width, - int hsb_height) -{ - int doc_width, doc_height; - GtkBorder border; - gdouble scale; - - ev_page_cache_get_max_width (view->page_cache, - view->rotation, - 1.0, - &doc_width); - ev_page_cache_get_max_height (view->page_cache, - view->rotation, - 1.0, - &doc_height); - compute_border (view, doc_width, doc_height, &border); - - width -= (border.left + border.right + 2 * view->spacing); - height -= (border.top + border.bottom + 2 * view->spacing - 1); - - /* FIXME: We really need to calculate the overall height here, not the - * page height. We assume there's always a vertical scrollbar for - * now. We need to fix this. */ - if (view->sizing_mode == EV_SIZING_FIT_WIDTH) - scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0); - else if (view->sizing_mode == EV_SIZING_BEST_FIT) - scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height); - else - g_assert_not_reached (); - - ev_view_set_zoom (view, scale, FALSE); -} - -static void -ev_view_zoom_for_size_dual_page (EvView *view, - int width, - int height, - int vsb_width, - int hsb_height) -{ - GtkBorder border; - gint doc_width, doc_height; - gdouble scale; - gint other_page; - - other_page = view->current_page ^ 1; - - /* Find the largest of the two. */ - ev_page_cache_get_size (view->page_cache, - view->current_page, - view->rotation, - 1.0, - &doc_width, &doc_height); - - if (other_page < ev_page_cache_get_n_pages (view->page_cache)) { - gint width_2, height_2; - ev_page_cache_get_size (view->page_cache, - other_page, - view->rotation, - 1.0, - &width_2, &height_2); - if (width_2 > doc_width) - doc_width = width_2; - if (height_2 > doc_height) - doc_height = height_2; - } - compute_border (view, doc_width, doc_height, &border); - - doc_width = doc_width * 2; - width -= ((border.left + border.right)* 2 + 3 * view->spacing); - height -= (border.top + border.bottom + 2 * view->spacing); - - if (view->sizing_mode == EV_SIZING_FIT_WIDTH) - scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width); - else if (view->sizing_mode == EV_SIZING_BEST_FIT) - scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height); - else - g_assert_not_reached (); - - ev_view_set_zoom (view, scale, FALSE); -} - -static void -ev_view_zoom_for_size_single_page (EvView *view, - int width, - int height, - int vsb_width, - int hsb_height) -{ - int doc_width, doc_height; - GtkBorder border; - gdouble scale; - - ev_page_cache_get_size (view->page_cache, - view->current_page, - view->rotation, - 1.0, - &doc_width, - &doc_height); - /* Get an approximate border */ - compute_border (view, width, height, &border); - - width -= (border.left + border.right + 2 * view->spacing); - height -= (border.top + border.bottom + 2 * view->spacing); - - if (view->sizing_mode == EV_SIZING_FIT_WIDTH) - scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width); - else if (view->sizing_mode == EV_SIZING_BEST_FIT) - scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height); - else - g_assert_not_reached (); - - ev_view_set_zoom (view, scale, FALSE); -} - -void -ev_view_set_zoom_for_size (EvView *view, - int width, - int height, - int vsb_width, - int hsb_height) -{ - g_return_if_fail (EV_IS_VIEW (view)); - g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH || - view->sizing_mode == EV_SIZING_BEST_FIT); - g_return_if_fail (width >= 0); - g_return_if_fail (height >= 0); - - if (view->document == NULL) - return; - - if (view->presentation) - ev_view_zoom_for_size_presentation (view, width, height); - else if (view->continuous && view->dual_page) - ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height); - else if (view->continuous) - ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height); - else if (view->dual_page) - ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height); - else - ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height); -} - -/*** Find ***/ -static gint -ev_view_find_get_n_results (EvView *view, gint page) -{ - return view->find_pages ? g_list_length (view->find_pages[page]) : 0; -} - -static EvRectangle * -ev_view_find_get_result (EvView *view, gint page, gint result) -{ - return view->find_pages ? (EvRectangle *) g_list_nth_data (view->find_pages[page], result) : NULL; -} - -static void -jump_to_find_result (EvView *view) -{ - gint n_results; - gint page = view->current_page; - - n_results = ev_view_find_get_n_results (view, page); - - if (n_results > 0 && view->find_result < n_results) { - EvRectangle *rect; - GdkRectangle view_rect; - - rect = ev_view_find_get_result (view, page, view->find_result); - doc_rect_to_view_rect (view, page, rect, &view_rect); - ensure_rectangle_is_visible (view, &view_rect); - view->jump_to_find_result = FALSE; - } -} - -/** - * jump_to_find_page - * @view: #EvView instance - * @direction: Direction to look - * @shift: Shift from current page - * - * Jumps to the first page that has occurences of searched word. - * Uses a direction where to look and a shift from current page. - * - */ -static void -jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift) -{ - int n_pages, i; - - n_pages = ev_page_cache_get_n_pages (view->page_cache); - - for (i = 0; i < n_pages; i++) { - int page; - - if (direction == EV_VIEW_FIND_NEXT) - page = view->current_page + i; - else - page = view->current_page - i; - page += shift; - - if (page >= n_pages) { - page = page - n_pages; - } else if (page < 0) - page = page + n_pages; - - if (ev_view_find_get_n_results (view, page) > 0) { - ev_page_cache_set_current_page (view->page_cache, page); - break; - } - } -} - -void -ev_view_find_changed (EvView *view, GList **results, gint page) -{ - view->find_pages = results; - - if (view->jump_to_find_result == TRUE) { - jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0); - jump_to_find_result (view); - } - - if (view->current_page == page) - gtk_widget_queue_draw (GTK_WIDGET (view)); -} - -void -ev_view_find_next (EvView *view) -{ - gint n_results; - - n_results = ev_view_find_get_n_results (view, view->current_page); - view->find_result++; - - if (view->find_result >= n_results) { - view->find_result = 0; - jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1); - jump_to_find_result (view); - } else { - jump_to_find_result (view); - gtk_widget_queue_draw (GTK_WIDGET (view)); - } -} - -void -ev_view_find_previous (EvView *view) -{ - view->find_result--; - - if (view->find_result < 0) { - jump_to_find_page (view, EV_VIEW_FIND_PREV, -1); - view->find_result = MAX (0, ev_view_find_get_n_results (view, view->current_page) - 1); - jump_to_find_result (view); - } else { - jump_to_find_result (view); - gtk_widget_queue_draw (GTK_WIDGET (view)); - } -} - -void -ev_view_find_search_changed (EvView *view) -{ - /* search string has changed, focus on new search result */ - view->jump_to_find_result = TRUE; - view->find_pages = NULL; -} - -void -ev_view_find_set_highlight_search (EvView *view, gboolean value) -{ - view->highlight_find_results = value; - gtk_widget_queue_draw (GTK_WIDGET (view)); -} - -void -ev_view_find_cancel (EvView *view) -{ - view->find_pages = NULL; -} - -/*** Selections ***/ - -/* compute_new_selection_rect/text calculates the area currently selected by - * view_rect. each handles a different mode; - */ -static GList * -compute_new_selection_rect (EvView *view, - GdkPoint *start, - GdkPoint *stop) -{ - GdkRectangle view_rect; - int n_pages, i; - GList *list = NULL; - - g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE); - - view_rect.x = MIN (start->x, stop->x); - view_rect.y = MIN (start->y, stop->y); - view_rect.width = MAX (start->x, stop->x) - view_rect.x; - view_rect.width = MAX (start->y, stop->y) - view_rect.y; - - n_pages = ev_page_cache_get_n_pages (view->page_cache); - - for (i = 0; i < n_pages; i++) { - GdkRectangle page_area; - GtkBorder border; - - if (get_page_extents (view, i, &page_area, &border)) { - GdkRectangle overlap; - - if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) { - EvViewSelection *selection; - - selection = g_new0 (EvViewSelection, 1); - selection->page = i; - view_rect_to_doc_rect (view, &overlap, &page_area, - &(selection->rect)); - - list = g_list_append (list, selection); - } - } - } - - return list; -} - -static gboolean -gdk_rectangle_point_in (GdkRectangle *rectangle, - GdkPoint *point) -{ - return rectangle->x <= point->x && - rectangle->y <= point->y && - point->x < rectangle->x + rectangle->width && - point->y < rectangle->y + rectangle->height; -} - -static GList * -compute_new_selection_text (EvView *view, - EvSelectionStyle style, - GdkPoint *start, - GdkPoint *stop) -{ - int n_pages, i, first, last; - GList *list = NULL; - EvViewSelection *selection; - gint width, height; - int start_page, end_page; - - g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT); - - n_pages = ev_page_cache_get_n_pages (view->page_cache); - - /* First figure out the range of pages the selection - * affects. */ - first = n_pages; - last = 0; - if (view->continuous) { - start_page = 0; - end_page = n_pages; - } else if (view->dual_page) { - start_page = view->start_page; - end_page = view->end_page + 1; - } else { - start_page = view->current_page; - end_page = view->current_page + 1; - } - - for (i = start_page; i < end_page; i++) { - GdkRectangle page_area; - GtkBorder border; - - get_page_extents (view, i, &page_area, &border); - if (gdk_rectangle_point_in (&page_area, start) || - gdk_rectangle_point_in (&page_area, stop)) { - if (first == n_pages) - first = i; - last = i; - } - - } - - /* Now create a list of EvViewSelection's for the affected - * pages. This could be an empty list, a list of just one - * page or a number of pages.*/ - for (i = first; i < last + 1; i++) { - GdkRectangle page_area; - GtkBorder border; - GdkPoint *point; - - ev_page_cache_get_size (view->page_cache, i, - view->rotation, - 1.0, &width, &height); - - selection = g_new0 (EvViewSelection, 1); - selection->page = i; - selection->style = style; - selection->rect.x1 = selection->rect.y1 = 0; - selection->rect.x2 = width; - selection->rect.y2 = height; - - get_page_extents (view, i, &page_area, &border); - - if (gdk_rectangle_point_in (&page_area, start)) - point = start; - else - point = stop; - - if (i == first) - view_point_to_doc_point (view, point, &page_area, - &selection->rect.x1, - &selection->rect.y1); - - /* If the selection is contained within just one page, - * make sure we don't write 'start' into both points - * in selection->rect. */ - if (first == last) - point = stop; - - if (i == last) - view_point_to_doc_point (view, point, &page_area, - &selection->rect.x2, - &selection->rect.y2); - - list = g_list_append (list, selection); - } - - return list; -} - -/* This function takes the newly calculated list, and figures out which regions - * have changed. It then queues a redraw approporiately. - */ -static void -merge_selection_region (EvView *view, - GList *new_list) -{ - GList *old_list; - GList *new_list_ptr, *old_list_ptr; - - /* Update the selection */ - old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache); - g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL); - g_list_free (view->selection_info.selections); - view->selection_info.selections = new_list; - ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list); - g_object_notify (G_OBJECT (view), "has-selection"); - - new_list_ptr = new_list; - old_list_ptr = old_list; - - while (new_list_ptr || old_list_ptr) { - EvViewSelection *old_sel, *new_sel; - int cur_page; - GdkRegion *region = NULL; - - new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL; - old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL; - - /* Assume that the lists are in order, and we run through them - * comparing them, one page at a time. We come out with the - * first page we see. */ - if (new_sel && old_sel) { - if (new_sel->page < old_sel->page) { - new_list_ptr = new_list_ptr->next; - old_sel = NULL; - } else if (new_sel->page > old_sel->page) { - old_list_ptr = old_list_ptr->next; - new_sel = NULL; - } else { - new_list_ptr = new_list_ptr->next; - old_list_ptr = old_list_ptr->next; - } - } else if (new_sel) { - new_list_ptr = new_list_ptr->next; - } else if (old_sel) { - old_list_ptr = old_list_ptr->next; - } - - g_assert (new_sel || old_sel); - - /* is the page we're looking at on the screen?*/ - cur_page = new_sel ? new_sel->page : old_sel->page; - if (cur_page < view->start_page || cur_page > view->end_page) - continue; - - /* seed the cache with a new page. We are going to need the new - * region too. */ - if (new_sel) { - GdkRegion *tmp_region = NULL; - - ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache, - cur_page, - view->scale, - &tmp_region); - - if (tmp_region) { - new_sel->covered_region = gdk_region_copy (tmp_region); - } - } - - /* Now we figure out what needs redrawing */ - if (old_sel && new_sel) { - if (old_sel->covered_region && new_sel->covered_region) { - /* We only want to redraw the areas that have - * changed, so we xor the old and new regions - * and redraw if it's different */ - region = gdk_region_copy (old_sel->covered_region); - gdk_region_xor (region, new_sel->covered_region); - if (gdk_region_empty (region)) { - gdk_region_destroy (region); - region = NULL; - } - } else if (old_sel->covered_region) { - region = gdk_region_copy (old_sel->covered_region); - } else if (new_sel->covered_region) { - region = gdk_region_copy (new_sel->covered_region); - } - } else if (old_sel && !new_sel) { - if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) { - region = gdk_region_copy (old_sel->covered_region); - } - } else if (!old_sel && new_sel) { - if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) { - region = gdk_region_copy (new_sel->covered_region); - } - } else { - g_assert_not_reached (); - } - - /* Redraw the damaged region! */ - if (region) { - GdkRectangle page_area; - GtkBorder border; - - /* I don't know why but the region is smaller - * than expected. This hack fixes it, I guess - * 10 pixels more won't hurt - */ - gdk_region_shrink (region, -5, -5); - - get_page_extents (view, cur_page, &page_area, &border); - gdk_region_offset (region, - page_area.x + border.left - view->scroll_x, - page_area.y + border.top - view->scroll_y); - gdk_window_invalidate_region (view->layout.bin_window, region, TRUE); - gdk_region_destroy (region); - } - } - - /* Free the old list, now that we're done with it. */ - g_list_foreach (old_list, (GFunc) selection_free, NULL); - g_list_free (old_list); -} - -static void -compute_selections (EvView *view, - EvSelectionStyle style, - GdkPoint *start, - GdkPoint *stop) -{ - GList *list; - - if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE) - list = compute_new_selection_rect (view, start, stop); - else - list = compute_new_selection_text (view, style, start, stop); - merge_selection_region (view, list); -} - -/* Free's the selection. It's up to the caller to queue redraws if needed. - */ -static void -selection_free (EvViewSelection *selection) -{ - if (selection->covered_region) - gdk_region_destroy (selection->covered_region); - g_free (selection); -} - -static void -clear_selection (EvView *view) -{ - g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL); - g_list_free (view->selection_info.selections); - view->selection_info.selections = NULL; - view->selection_info.in_selection = FALSE; - if (view->pixbuf_cache) - ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL); - g_object_notify (G_OBJECT (view), "has-selection"); -} - -void -ev_view_select_all (EvView *view) -{ - GList *selections = NULL; - int n_pages, i; - - /* Disable selection on rotated pages for the 0.4.0 series */ - if (view->rotation != 0) - return; - - clear_selection (view); - - n_pages = ev_page_cache_get_n_pages (view->page_cache); - for (i = 0; i < n_pages; i++) { - int width, height; - EvViewSelection *selection; - - ev_page_cache_get_size (view->page_cache, - i, - view->rotation, - 1.0, &width, &height); - - selection = g_new0 (EvViewSelection, 1); - selection->page = i; - selection->style = EV_SELECTION_STYLE_GLYPH; - selection->rect.x1 = selection->rect.y1 = 0; - selection->rect.x2 = width; - selection->rect.y2 = height; - - selections = g_list_append (selections, selection); - } - - merge_selection_region (view, selections); - gtk_widget_queue_draw (GTK_WIDGET (view)); -} - -gboolean -ev_view_get_has_selection (EvView *view) -{ - return view->selection_info.selections != NULL; -} - -static char * -get_selected_text (EvView *view) -{ - GString *text; - GList *l; - gchar *normalized_text; - EvRenderContext *rc; - - text = g_string_new (NULL); - rc = ev_render_context_new (NULL, view->rotation, view->scale); - - ev_document_doc_mutex_lock (); - - for (l = view->selection_info.selections; l != NULL; l = l->next) { - EvViewSelection *selection = (EvViewSelection *)l->data; - EvPage *page; - gchar *tmp; - - page = ev_document_get_page (view->document, selection->page); - ev_render_context_set_page (rc, page); - g_object_unref (page); - - tmp = ev_selection_get_selected_text (EV_SELECTION (view->document), - rc, selection->style, - &(selection->rect)); - - g_string_append (text, tmp); - g_free (tmp); - } - - g_object_unref (rc); - - ev_document_doc_mutex_unlock (); - - normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC); - g_string_free (text, TRUE); - return normalized_text; -} - -static void -ev_view_clipboard_copy (EvView *view, - const gchar *text) -{ - GtkClipboard *clipboard; - - clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view), - GDK_SELECTION_CLIPBOARD); - gtk_clipboard_set_text (clipboard, text, -1); -} - -void -ev_view_copy (EvView *ev_view) -{ - char *text; - - if (!EV_IS_SELECTION (ev_view->document)) - return; - - text = get_selected_text (ev_view); - ev_view_clipboard_copy (ev_view, text); - g_free (text); -} - -static void -ev_view_primary_get_cb (GtkClipboard *clipboard, - GtkSelectionData *selection_data, - guint info, - gpointer data) -{ - EvView *ev_view = EV_VIEW (data); - - if (ev_view->link_selected) { - gtk_selection_data_set_text (selection_data, - ev_link_action_get_uri (ev_view->link_selected), - -1); - } else if (EV_IS_SELECTION (ev_view->document) && - ev_view->selection_info.selections) { - gchar *text; - - text = get_selected_text (ev_view); - if (text) { - gtk_selection_data_set_text (selection_data, text, -1); - g_free (text); - } - } -} - -static void -ev_view_primary_clear_cb (GtkClipboard *clipboard, - gpointer data) -{ - EvView *view = EV_VIEW (data); - - clear_selection (view); - clear_link_selected (view); -} - -static void -ev_view_update_primary_selection (EvView *ev_view) -{ - GtkClipboard *clipboard; - - clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view), - GDK_SELECTION_PRIMARY); - - if (ev_view->selection_info.selections || ev_view->link_selected) { - if (!gtk_clipboard_set_with_owner (clipboard, - clipboard_targets, - G_N_ELEMENTS (clipboard_targets), - ev_view_primary_get_cb, - ev_view_primary_clear_cb, - G_OBJECT (ev_view))) - ev_view_primary_clear_cb (clipboard, ev_view); - } else { - if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view)) - gtk_clipboard_clear (clipboard); - } -} - -static void -clear_link_selected (EvView *view) -{ - if (view->link_selected) { - g_object_unref (view->link_selected); - view->link_selected = NULL; - } -} - -void -ev_view_copy_link_address (EvView *view, - EvLinkAction *action) -{ - clear_link_selected (view); - - ev_view_clipboard_copy (view, ev_link_action_get_uri (action)); - - view->link_selected = g_object_ref (action); - ev_view_update_primary_selection (view); -} - -/*** Cursor operations ***/ - -static GdkCursor * -ev_view_create_invisible_cursor(void) -{ - GdkBitmap *empty; - GdkColor black = { 0, 0, 0, 0 }; - static char bits[] = { 0x00 }; - - empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1); - - return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0); -} - -static void -ev_view_set_cursor (EvView *view, EvViewCursor new_cursor) -{ - GdkCursor *cursor = NULL; - GdkDisplay *display; - GtkWidget *widget; - - if (view->cursor == new_cursor) { - return; - } - - widget = gtk_widget_get_toplevel (GTK_WIDGET (view)); - display = gtk_widget_get_display (widget); - view->cursor = new_cursor; - - switch (new_cursor) { - case EV_VIEW_CURSOR_NORMAL: - gdk_window_set_cursor (view->layout.bin_window, NULL); - break; - case EV_VIEW_CURSOR_IBEAM: - cursor = gdk_cursor_new_for_display (display, GDK_XTERM); - break; - case EV_VIEW_CURSOR_LINK: - cursor = gdk_cursor_new_for_display (display, GDK_HAND2); - break; - case EV_VIEW_CURSOR_WAIT: - cursor = gdk_cursor_new_for_display (display, GDK_WATCH); - break; - case EV_VIEW_CURSOR_HIDDEN: - cursor = ev_view_create_invisible_cursor (); - break; - case EV_VIEW_CURSOR_DRAG: - cursor = gdk_cursor_new_for_display (display, GDK_FLEUR); - break; - case EV_VIEW_CURSOR_AUTOSCROLL: - cursor = gdk_cursor_new_for_display (display, GDK_DOUBLE_ARROW); - break; - } - - if (cursor) { - gdk_window_set_cursor (view->layout.bin_window, cursor); - gdk_cursor_unref (cursor); - gdk_flush(); - } -} - -void -ev_view_hide_cursor (EvView *view) -{ - ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN); -} - -void -ev_view_show_cursor (EvView *view) -{ - ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL); -} - -static void -ev_view_reset_presentation_state (EvView *view) -{ - if (!view->presentation || - view->presentation_state == EV_PRESENTATION_NORMAL) - return; - - view->presentation_state = EV_PRESENTATION_NORMAL; - gdk_window_set_background (view->layout.bin_window, - >K_WIDGET (view)->style->black); - gtk_widget_queue_draw (GTK_WIDGET (view)); -} - -gboolean -ev_view_next_page (EvView *view) -{ - int page, n_pages; - - g_return_val_if_fail (EV_IS_VIEW (view), FALSE); - - if (!view->page_cache) - return FALSE; - - if (view->presentation && - (view->presentation_state == EV_PRESENTATION_BLACK || - view->presentation_state == EV_PRESENTATION_WHITE)) { - ev_view_reset_presentation_state (view); - return FALSE; - } - - if (view->animation) { - ev_view_transition_animation_cancel (view->animation, view); - } - - ev_view_presentation_transition_stop (view); - ev_view_reset_presentation_state (view); - - page = ev_page_cache_get_current_page (view->page_cache); - n_pages = ev_page_cache_get_n_pages (view->page_cache); - - if (view->dual_page && !view->presentation) - page = page + 2; - else - page = page + 1; - - if (page < n_pages) { - ev_page_cache_set_current_page (view->page_cache, page); - return TRUE; - } else if (view->presentation && page == n_pages) { - view->presentation_state = EV_PRESENTATION_END; - gtk_widget_queue_draw (GTK_WIDGET (view)); - return TRUE; - } else if (view->dual_page && page == n_pages) { - ev_page_cache_set_current_page (view->page_cache, page - 1); - return TRUE; - } else { - return FALSE; - } -} - -gboolean -ev_view_previous_page (EvView *view) -{ - int page; - - g_return_val_if_fail (EV_IS_VIEW (view), FALSE); - - if (!view->page_cache) - return FALSE; - - if (view->presentation && - view->presentation_state == EV_PRESENTATION_END) { - ev_view_reset_presentation_state (view); - return TRUE; - } - - if (view->presentation && - (view->presentation_state == EV_PRESENTATION_BLACK || - view->presentation_state == EV_PRESENTATION_WHITE)) { - ev_view_reset_presentation_state (view); - return FALSE; - } - - if (view->animation) { - ev_view_transition_animation_cancel (view->animation, view); - } - - ev_view_reset_presentation_state (view); - - page = ev_page_cache_get_current_page (view->page_cache); - - if (view->dual_page && !view->presentation) - page = page - 2; - else - page = page - 1; - - if (page >= 0) { - ev_page_cache_set_current_page (view->page_cache, page); - return TRUE; - } else if (ev_view_get_dual_page (view) && page == -1) { - ev_page_cache_set_current_page (view->page_cache, 0); - return TRUE; - } else { - return FALSE; - } -} - -/*** Enum description for usage in signal ***/ - -GType -ev_sizing_mode_get_type (void) -{ - static GType etype = 0; - if (etype == 0) { - static const GEnumValue values[] = { - { EV_SIZING_FIT_WIDTH, "EV_SIZING_FIT_WIDTH", "fit-width" }, - { EV_SIZING_BEST_FIT, "EV_SIZING_BEST_FIT", "best-fit" }, - { EV_SIZING_FREE, "EV_SIZING_FREE", "free" }, - { 0, NULL, NULL } - }; - etype = g_enum_register_static ("EvSizingMode", values); - } - return etype; -} - -void -ev_view_update_view_size (EvView *view, GtkScrolledWindow * scrolled_window) -{ - int width, height; - GtkRequisition vsb_requisition; - GtkRequisition hsb_requisition; - int scrollbar_spacing; - - /* Calculate the width available for the content */ - width = GTK_WIDGET (scrolled_window)->allocation.width; - height = GTK_WIDGET (scrolled_window)->allocation.height; - - if (gtk_scrolled_window_get_shadow_type (scrolled_window) == GTK_SHADOW_IN - && view) { - width -= 2 * GTK_WIDGET(view)->style->xthickness; - height -= 2 * GTK_WIDGET(view)->style->ythickness; - } - - gtk_widget_size_request (scrolled_window->vscrollbar, &vsb_requisition); - gtk_widget_size_request (scrolled_window->hscrollbar, &hsb_requisition); - gtk_widget_style_get (GTK_WIDGET (scrolled_window), - "scrollbar_spacing", - &scrollbar_spacing, - NULL); - - if (EV_IS_VIEW(view)) { - ev_view_set_zoom_for_size (EV_VIEW (view), - MAX (1, width), - MAX (1, height), - vsb_requisition.width + scrollbar_spacing, - hsb_requisition.height + scrollbar_spacing); - } -} diff --git a/shell/ev-view.h b/shell/ev-view.h deleted file mode 100644 index e3b3829..0000000 --- a/shell/ev-view.h +++ /dev/null @@ -1,146 +0,0 @@ -/* this file is part of evince, a gnome document viewer - * - * Copyright (C) 2004 Red Hat, Inc - * - * Evince is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * Evince is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. - */ - -#ifndef __EV_VIEW_H__ -#define __EV_VIEW_H__ - -#include - -#include "ev-document.h" -#include "ev-link.h" -#include "ev-view-accessible.h" - -G_BEGIN_DECLS - -#define EV_TYPE_VIEW (ev_view_get_type ()) -#define EV_VIEW(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), EV_TYPE_VIEW, EvView)) -#define EV_IS_VIEW(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EV_TYPE_VIEW)) - -#define EV_TYPE_SIZING_MODE (ev_sizing_mode_get_type()) -#define EV_SIZING_MODE_CLASS (g_type_class_peek (EV_TYPE_SIZING_MODE)) - -typedef struct _EvView EvView; -typedef struct _EvViewClass EvViewClass; - - -typedef enum { - EV_SIZING_BEST_FIT, - EV_SIZING_FIT_WIDTH, - EV_SIZING_FREE, -} EvSizingMode; - -typedef enum { - EV_VIEW_SELECTION_TEXT, - EV_VIEW_SELECTION_RECTANGLE, -} EvViewSelectionMode; - -GType ev_view_get_type (void) G_GNUC_CONST; -GType ev_sizing_mode_get_type (void) G_GNUC_CONST; - -GtkWidget* ev_view_new (void); -void ev_view_set_document (EvView *view, - EvDocument *document); -void ev_view_set_loading (EvView *view, - gboolean loading); -void ev_view_reload (EvView *view); - -/* Clipboard */ -void ev_view_copy (EvView *view); -void ev_view_copy_link_address (EvView *view, - EvLinkAction *action); -void ev_view_select_all (EvView *view); -gboolean ev_view_get_has_selection (EvView *view); - -/* sizing and behavior */ -/* These are all orthoganal to each other, except 'presentation' trumps all - * other behaviors - */ -gboolean ev_view_get_continuous (EvView *view); -void ev_view_set_continuous (EvView *view, - gboolean continuous); -gboolean ev_view_get_dual_page (EvView *view); -void ev_view_set_dual_page (EvView *view, - gboolean dual_page); -void ev_view_set_fullscreen (EvView *view, - gboolean fullscreen); -gboolean ev_view_get_fullscreen (EvView *view); -void ev_view_set_presentation (EvView *view, - gboolean presentation); -gboolean ev_view_get_presentation (EvView *view); -void ev_view_set_sizing_mode (EvView *view, - EvSizingMode mode); -EvSizingMode ev_view_get_sizing_mode (EvView *view); - - -/* Page size */ -gboolean ev_view_can_zoom_in (EvView *view); -void ev_view_zoom_in (EvView *view); -gboolean ev_view_can_zoom_out (EvView *view); -void ev_view_zoom_out (EvView *view); -void ev_view_set_zoom (EvView *view, - double factor, - gboolean relative); -void ev_view_set_zoom_for_size (EvView *view, - int width, - int height, - int vsb_width, - int hsb_height); -double ev_view_get_zoom (EvView *view); -void ev_view_set_screen_dpi (EvView *view, - gdouble dpi); -void ev_view_rotate_left (EvView *view); -void ev_view_rotate_right (EvView *view); -void ev_view_set_rotation (EvView *view, - int rotation); -int ev_view_get_rotation (EvView *view); - -/* Find */ -void ev_view_find_next (EvView *view); -void ev_view_find_previous (EvView *view); -void ev_view_find_search_changed (EvView *view); -void ev_view_find_set_highlight_search (EvView *view, - gboolean value); -void ev_view_find_changed (EvView *view, - GList **results, - gint page); -void ev_view_find_cancel (EvView *view); - -/* Cursor */ -void ev_view_hide_cursor (EvView *view); -void ev_view_show_cursor (EvView *view); - -/* Navigation */ -void ev_view_scroll (EvView *view, - GtkScrollType scroll, - gboolean horizontal); -void ev_view_handle_link (EvView *view, - EvLink *link); -gboolean ev_view_next_page (EvView *view); -gboolean ev_view_previous_page (EvView *view); -gchar* ev_view_page_label_from_dest (EvView *view, EvLinkDest *dest); - -void ev_view_update_view_size (EvView *view, - GtkScrolledWindow *scrolled_window); - -void ev_view_autoscroll_start (EvView *view); -void ev_view_autoscroll_stop (EvView *view); - -G_END_DECLS - -#endif /* __EV_VIEW_H__ */ -- cgit v0.9.1