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/ev-view-accessible.c') 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) -- cgit v0.9.1