From 48e488b596bc73000d172234f87ffd46e9f4032e Mon Sep 17 00:00:00 2001 From: Carlos Garcia Campos Date: Sat, 27 Dec 2008 18:37:13 +0000 Subject: First step of the printing system rework. EvJobPrint has been replaced by 2008-12-24 Carlos Garcia Campos * shell/Makefile.am: * shell/ev-print-operation.[ch]: * shell/ev-jobs.[ch]: (ev_job_export_init), (ev_job_export_dispose), (ev_job_export_run), (ev_job_export_class_init), (ev_job_export_new), (ev_job_export_set_page): * shell/ev-window.c: (ev_window_print_operation_done), (ev_window_print_range), (ev_window_dispose): First step of the printing system rework. EvJobPrint has been replaced by EvJobExport so that every page is scheduled to be exported in a thread instead of scheduling the whole printing process. This way the gui is responsive during printing. svn path=/trunk/; revision=3306 --- (limited to 'shell/ev-print-operation.c') diff --git a/shell/ev-print-operation.c b/shell/ev-print-operation.c new file mode 100644 index 0000000..c71ff42 --- /dev/null +++ b/shell/ev-print-operation.c @@ -0,0 +1,1043 @@ +/* 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 + +#include "ev-print-operation.h" + +#if GTK_CHECK_VERSION (2, 14, 0) +#include +#else +#include +#endif + +#include +#include +#include + +#include "ev-page-cache.h" +#include "ev-file-exporter.h" +#include "ev-jobs.h" +#include "ev-job-scheduler.h" +#include "ev-application.h" +#include "ev-file-helpers.h" + +enum { + PROP_0, + PROP_DOCUMENT +}; + +enum { + DONE, + LAST_SIGNAL +}; + +static guint signals[LAST_SIGNAL] = { 0 }; + +struct _EvPrintOperation { + GObject parent; + + EvDocument *document; +}; + +struct _EvPrintOperationClass { + GObjectClass parent_class; + + void (* set_current_page) (EvPrintOperation *op, + gint current_page); + void (* set_print_settings) (EvPrintOperation *op, + GtkPrintSettings *print_settings); + GtkPrintSettings *(* get_print_settings) (EvPrintOperation *op); + void (* set_default_page_setup) (EvPrintOperation *op, + GtkPageSetup *page_setup); + GtkPageSetup *(* get_default_page_setup) (EvPrintOperation *op); + void (* set_job_name) (EvPrintOperation *op, + const gchar *job_name); + void (* run) (EvPrintOperation *op, + GtkWindow *parent); + void (* cancel) (EvPrintOperation *op); + void (* get_error) (EvPrintOperation *op, + GError **error); + + /* signals */ + void (* done) (EvPrintOperation *op, + GtkPrintOperationResult result); +}; + +G_DEFINE_ABSTRACT_TYPE (EvPrintOperation, ev_print_operation, G_TYPE_OBJECT) + +static void +ev_print_operation_finalize (GObject *object) +{ + EvPrintOperation *op = EV_PRINT_OPERATION (object); + + if (op->document) { + g_object_unref (op->document); + op->document = NULL; + } + + (* G_OBJECT_CLASS (ev_print_operation_parent_class)->finalize) (object); +} + +static void +ev_print_operation_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ + EvPrintOperation *op = EV_PRINT_OPERATION (object); + + switch (prop_id) { + case PROP_DOCUMENT: + op->document = g_value_dup_object (value); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + } +} + +static void +ev_print_operation_init (EvPrintOperation *op) +{ +} + +static void +ev_print_operation_class_init (EvPrintOperationClass *klass) +{ + GObjectClass *g_object_class = G_OBJECT_CLASS (klass); + + g_object_class->set_property = ev_print_operation_set_property; + g_object_class->finalize = ev_print_operation_finalize; + + g_object_class_install_property (g_object_class, + PROP_DOCUMENT, + g_param_spec_object ("document", + "Document", + "The document to print", + EV_TYPE_DOCUMENT, + G_PARAM_WRITABLE | + G_PARAM_CONSTRUCT_ONLY)); + signals[DONE] = + g_signal_new ("done", + G_TYPE_FROM_CLASS (g_object_class), + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (EvPrintOperationClass, done), + NULL, NULL, + g_cclosure_marshal_VOID__ENUM, + G_TYPE_NONE, 1, + GTK_TYPE_PRINT_OPERATION_RESULT); + +} + +/* Public methods */ +void +ev_print_operation_set_current_page (EvPrintOperation *op, + gint current_page) +{ + EvPrintOperationClass *class = EV_PRINT_OPERATION_GET_CLASS (op); + + g_return_if_fail (EV_IS_PRINT_OPERATION (op)); + g_return_if_fail (current_page >= 0); + + class->set_current_page (op, current_page); +} + +void +ev_print_operation_set_print_settings (EvPrintOperation *op, + GtkPrintSettings *print_settings) +{ + EvPrintOperationClass *class = EV_PRINT_OPERATION_GET_CLASS (op); + + g_return_if_fail (EV_IS_PRINT_OPERATION (op)); + g_return_if_fail (GTK_IS_PRINT_SETTINGS (print_settings)); + + class->set_print_settings (op, print_settings); +} + +GtkPrintSettings * +ev_print_operation_get_print_settings (EvPrintOperation *op) +{ + EvPrintOperationClass *class = EV_PRINT_OPERATION_GET_CLASS (op); + + g_return_val_if_fail (EV_IS_PRINT_OPERATION (op), NULL); + + return class->get_print_settings (op); +} + +void +ev_print_operation_set_default_page_setup (EvPrintOperation *op, + GtkPageSetup *page_setup) +{ + EvPrintOperationClass *class = EV_PRINT_OPERATION_GET_CLASS (op); + + g_return_if_fail (EV_IS_PRINT_OPERATION (op)); + g_return_if_fail (GTK_IS_PAGE_SETUP (page_setup)); + + class->set_default_page_setup (op, page_setup); +} + +GtkPageSetup * +ev_print_operation_get_default_page_setup (EvPrintOperation *op) +{ + EvPrintOperationClass *class = EV_PRINT_OPERATION_GET_CLASS (op); + + g_return_val_if_fail (EV_IS_PRINT_OPERATION (op), NULL); + + return class->get_default_page_setup (op); +} + +void +ev_print_operation_set_job_name (EvPrintOperation *op, + const gchar *job_name) +{ + EvPrintOperationClass *class = EV_PRINT_OPERATION_GET_CLASS (op); + + g_return_if_fail (EV_IS_PRINT_OPERATION (op)); + g_return_if_fail (job_name != NULL); + + class->set_job_name (op, job_name); +} + +void +ev_print_operation_run (EvPrintOperation *op, + GtkWindow *parent) +{ + EvPrintOperationClass *class = EV_PRINT_OPERATION_GET_CLASS (op); + + g_return_if_fail (EV_IS_PRINT_OPERATION (op)); + + class->run (op, parent); +} + +void +ev_print_operation_cancel (EvPrintOperation *op) +{ + EvPrintOperationClass *class = EV_PRINT_OPERATION_GET_CLASS (op); + + g_return_if_fail (EV_IS_PRINT_OPERATION (op)); + + class->cancel (op); +} + +void +ev_print_operation_get_error (EvPrintOperation *op, + GError **error) +{ + EvPrintOperationClass *class = EV_PRINT_OPERATION_GET_CLASS (op); + + g_return_if_fail (EV_IS_PRINT_OPERATION (op)); + + class->get_error (op, error); +} + +/* Export interface */ +#define EV_TYPE_PRINT_OPERATION_EXPORT (ev_print_operation_export_get_type()) +#define EV_PRINT_OPERATION_EXPORT(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_PRINT_OPERATION_EXPORT, EvPrintOperationExport)) +#define EV_PRINT_OPERATION_EXPORT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_PRINT_OPERATION_EXPORT, EvPrintOperationExportClass)) +#define EV_IS_PRINT_OPERATION_EXPORT(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_PRINT_OPERATION_EXPORT)) + +typedef struct _EvPrintOperationExport EvPrintOperationExport; +typedef struct _EvPrintOperationExportClass EvPrintOperationExportClass; + +GType ev_print_operation_export_get_type (void) G_GNUC_CONST; + +static gboolean export_print_page (EvPrintOperationExport *export); + +struct _EvPrintOperationExport { + EvPrintOperation parent; + + GtkWindow *parent_window; + EvJob *job_export; + GError *error; + + gboolean print_preview; + gint n_pages; + gint current_page; + GtkPrinter *printer; + GtkPageSetup *page_setup; + GtkPrintSettings *print_settings; + GtkPageSet page_set; + gint copies; + guint collate : 1; + guint reverse : 1; + gint pages_per_sheet; + gint fd; + gchar *temp_file; + gchar *job_name; + + guint idle_id; + + /* Context */ + gint uncollated_copies; + gint collated_copies; + gint uncollated, collated, total; + + gint range, n_ranges; + GtkPageRange *ranges; + GtkPageRange one_range; + + gint page, start, end, inc; +}; + +struct _EvPrintOperationExportClass { + EvPrintOperationClass parent_class; +}; + +G_DEFINE_TYPE (EvPrintOperationExport, ev_print_operation_export, EV_TYPE_PRINT_OPERATION) + +static void +ev_print_operation_export_set_current_page (EvPrintOperation *op, + gint current_page) +{ + EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (op); + + g_return_if_fail (current_page < export->n_pages); + + export->current_page = current_page; +} + +static void +ev_print_operation_export_set_print_settings (EvPrintOperation *op, + GtkPrintSettings *print_settings) +{ + EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (op); + + if (print_settings == export->print_settings) + return; + + g_object_ref (print_settings); + if (export->print_settings) + g_object_unref (export->print_settings); + export->print_settings = print_settings; +} + +static GtkPrintSettings * +ev_print_operation_export_get_print_settings (EvPrintOperation *op) +{ + EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (op); + + return export->print_settings; +} + +static void +ev_print_operation_export_set_default_page_setup (EvPrintOperation *op, + GtkPageSetup *page_setup) +{ + EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (op); + + if (page_setup == export->page_setup) + return; + + g_object_ref (page_setup); + if (export->page_setup) + g_object_unref (export->page_setup); + export->page_setup = page_setup; +} + +static GtkPageSetup * +ev_print_operation_export_get_default_page_setup (EvPrintOperation *op) +{ + EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (op); + + return export->page_setup; +} + +static void +ev_print_operation_export_set_job_name (EvPrintOperation *op, + const gchar *job_name) +{ + EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (op); + + g_free (export->job_name); + export->job_name = g_strdup (job_name); +} + +static void +ev_print_operation_export_set_printer (EvPrintOperationExport *export, + GtkPrinter *printer) +{ + if (printer == export->printer) + return; + + g_object_ref (printer); + if (export->printer) + g_object_unref (export->printer); + export->printer = printer; +} + +static void +find_range (EvPrintOperationExport *export) +{ + GtkPageRange *range; + + range = &export->ranges[export->range]; + + if (export->inc < 0) { + export->start = range->end; + export->end = range->start - 1; + } else { + export->start = range->start; + export->end = range->end + 1; + } +} + +static void +clamp_ranges (EvPrintOperationExport *export) +{ + gint num_of_correct_ranges = 0; + gint i; + + for (i = 0; i < export->n_ranges; i++) { + if ((export->ranges[i].start >= 0) && + (export->ranges[i].start < export->n_pages) && + (export->ranges[i].end >= 0) && + (export->ranges[i].end < export->n_pages)) { + export->ranges[num_of_correct_ranges] = export->ranges[i]; + num_of_correct_ranges++; + } else if ((export->ranges[i].start >= 0) && + (export->ranges[i].start < export->n_pages) && + (export->ranges[i].end >= export->n_pages)) { + export->ranges[i].end = export->n_pages - 1; + export->ranges[num_of_correct_ranges] = export->ranges[i]; + num_of_correct_ranges++; + } else if ((export->ranges[i].end >= 0) && + (export->ranges[i].end < export->n_pages) && + (export->ranges[i].start < 0)) { + export->ranges[i].start = 0; + export->ranges[num_of_correct_ranges] = export->ranges[i]; + num_of_correct_ranges++; + } + } + + export->n_ranges = num_of_correct_ranges; +} + +static gint +get_first_page (EvPrintOperationExport *export) +{ + gint i; + gint first_page = G_MAXINT; + + if (export->n_ranges == 0) + return 0; + + for (i = 0; i < export->n_ranges; i++) { + if (export->ranges[i].start < first_page) + first_page = export->ranges[i].start; + } + + return MAX (0, first_page); +} + +static gint +get_last_page (EvPrintOperationExport *export) +{ + gint i; + gint last_page = G_MININT; + gint max_page = export->n_pages - 1; + + if (export->n_ranges == 0) + return max_page; + + for (i = 0; i < export->n_ranges; i++) { + if (export->ranges[i].end > last_page) + last_page = export->ranges[i].end; + } + + return MIN (max_page, last_page); +} + +static gboolean +export_print_inc_page (EvPrintOperationExport *export) +{ + do { + export->page += export->inc; + if (export->page == export->end) { + export->range += export->inc; + if (export->range == -1 || export->range == export->n_ranges) { + export->uncollated++; + if (export->uncollated == export->uncollated_copies) + return FALSE; + + export->range = export->inc < 0 ? export->n_ranges - 1 : 0; + } + find_range (export); + export->page = export->start; + } + } while ((export->page_set == GTK_PAGE_SET_EVEN && export->page % 2 == 0) || + (export->page_set == GTK_PAGE_SET_ODD && export->page % 2 == 1)); + + return TRUE; +} + +static void +ev_print_operation_export_clear_temp_file (EvPrintOperationExport *export) +{ + if (!export->temp_file) + return; + + g_unlink (export->temp_file); + g_free (export->temp_file); + export->temp_file = NULL; +} + +static void +print_job_finished (GtkPrintJob *print_job, + EvPrintOperationExport *export, + GError *error) +{ + EvPrintOperation *op = EV_PRINT_OPERATION (export); + + if (error) { + g_set_error_literal (&export->error, + GTK_PRINT_ERROR, + GTK_PRINT_ERROR_GENERAL, + error->message); + g_signal_emit (op, signals[DONE], 0, GTK_PRINT_OPERATION_RESULT_ERROR); + } else { + g_signal_emit (op, signals[DONE], 0, GTK_PRINT_OPERATION_RESULT_APPLY); + } + + ev_print_operation_export_clear_temp_file (export); + g_object_unref (print_job); +} + +static void +export_print_done (EvPrintOperationExport *export) +{ + EvPrintOperation *op = EV_PRINT_OPERATION (export); + GtkPrintSettings *settings; + EvFileExporterCapabilities capabilities; + + /* Some printers take into account some print settings, + * and others don't. However we have exported the document + * to a ps or pdf file according to such print settings. So, + * we want to send the exported file to printer with those + * settings set to default values. + */ + settings = gtk_print_settings_copy (export->print_settings); + capabilities = ev_file_exporter_get_capabilities (EV_FILE_EXPORTER (op->document)); + + gtk_print_settings_set_page_ranges (settings, NULL, 0); + gtk_print_settings_set_print_pages (settings, GTK_PRINT_PAGES_ALL); + if (capabilities & EV_FILE_EXPORTER_CAN_COPIES) + gtk_print_settings_set_n_copies (settings, 1); + if (capabilities & EV_FILE_EXPORTER_CAN_PAGE_SET) + gtk_print_settings_set_page_set (settings, GTK_PAGE_SET_ALL); + if (capabilities & EV_FILE_EXPORTER_CAN_SCALE) + gtk_print_settings_set_scale (settings, 1.0); + if (capabilities & EV_FILE_EXPORTER_CAN_COLLATE) + gtk_print_settings_set_collate (settings, FALSE); + if (capabilities & EV_FILE_EXPORTER_CAN_REVERSE) + gtk_print_settings_set_reverse (settings, FALSE); + if (capabilities & EV_FILE_EXPORTER_CAN_NUMBER_UP) { + gtk_print_settings_set_number_up (settings, 1); + gtk_print_settings_set_int (settings, "cups-"GTK_PRINT_SETTINGS_NUMBER_UP, 1); + } + + if (export->print_preview) { + gchar *uri; + gchar *print_settings_file = NULL; + + print_settings_file = ev_tmp_filename ("print-settings"); + gtk_print_settings_to_file (settings, print_settings_file, NULL); + + uri = g_filename_to_uri (export->temp_file, NULL, NULL); + ev_application_open_uri_at_dest (EV_APP, + uri, + gtk_window_get_screen (export->parent_window), + NULL, + EV_WINDOW_MODE_PREVIEW, + NULL, + TRUE, + print_settings_file, + GDK_CURRENT_TIME); + g_free (print_settings_file); + g_free (uri); + + g_signal_emit (op, signals[DONE], 0, GTK_PRINT_OPERATION_RESULT_APPLY); + /* temp_file will be deleted by the previewer */ + } else { + GtkPrintJob *job; + GError *error = NULL; + + job = gtk_print_job_new (export->job_name, + export->printer, + settings, + export->page_setup); + gtk_print_job_set_source_file (job, export->temp_file, &error); + if (error) { + g_set_error_literal (&export->error, + GTK_PRINT_ERROR, + GTK_PRINT_ERROR_GENERAL, + error->message); + g_error_free (error); + ev_print_operation_export_clear_temp_file (export); + g_signal_emit (op, signals[DONE], 0, GTK_PRINT_OPERATION_RESULT_ERROR); + } else { + gtk_print_job_send (job, + (GtkPrintJobCompleteFunc)print_job_finished, + g_object_ref (export), + (GDestroyNotify)g_object_unref); + } + } + g_object_unref (settings); +} + +static void +export_print_page_idle_finished (EvPrintOperationExport *export) +{ + export->idle_id = 0; +} + +static void +export_job_finished (EvJobExport *job, + EvPrintOperationExport *export) +{ + EvPrintOperation *op = EV_PRINT_OPERATION (export); + + if (export->pages_per_sheet == 1 || export->total % export->pages_per_sheet == 0) { + ev_document_doc_mutex_lock (); + ev_file_exporter_end_page (EV_FILE_EXPORTER (op->document)); + ev_document_doc_mutex_unlock (); + } + + /* Reschedule */ + export->idle_id = g_idle_add_full (G_PRIORITY_DEFAULT_IDLE, + (GSourceFunc)export_print_page, + export, + (GDestroyNotify)export_print_page_idle_finished); +} + +static void +export_job_cancelled (EvJobExport *job, + EvPrintOperationExport *export) +{ + EvPrintOperation *op = EV_PRINT_OPERATION (export); + + if (export->idle_id > 0) + g_source_remove (export->idle_id); + export->idle_id = 0; + + g_signal_handlers_disconnect_by_func (export->job_export, + export_job_finished, + export); + g_signal_handlers_disconnect_by_func (export->job_export, + export_job_cancelled, + export); + g_object_unref (export->job_export); + export->job_export = NULL; + + if (export->fd != -1) { + close (export->fd); + export->fd = -1; + } + + ev_print_operation_export_clear_temp_file (export); + + g_signal_emit (op, signals[DONE], 0, GTK_PRINT_OPERATION_RESULT_CANCEL); +} + +static gboolean +export_print_page (EvPrintOperationExport *export) +{ + EvPrintOperation *op = EV_PRINT_OPERATION (export); + + export->total++; + export->collated++; + + if (export->collated == export->collated_copies) { + export->collated = 0; + if (!export_print_inc_page (export)) { + ev_document_doc_mutex_lock (); + if (export->pages_per_sheet > 1 && + export->total - 1 % export->pages_per_sheet == 0) + ev_file_exporter_end_page (EV_FILE_EXPORTER (op->document)); + ev_file_exporter_end (EV_FILE_EXPORTER (op->document)); + ev_document_doc_mutex_unlock (); + + close (export->fd); + export->fd = -1; + + export_print_done (export); + + return FALSE; + } + } + + if (export->pages_per_sheet == 1 || export->total % export->pages_per_sheet == 1) { + ev_document_doc_mutex_lock (); + ev_file_exporter_begin_page (EV_FILE_EXPORTER (op->document)); + ev_document_doc_mutex_unlock (); + } + + if (!export->job_export) { + export->job_export = ev_job_export_new (op->document); + g_signal_connect (G_OBJECT (export->job_export), "finished", + G_CALLBACK (export_job_finished), + (gpointer)export); + g_signal_connect (G_OBJECT (export->job_export), "cancelled", + G_CALLBACK (export_job_cancelled), + (gpointer)export); + } + + ev_job_export_set_page (EV_JOB_EXPORT (export->job_export), export->page); + ev_job_scheduler_push_job (export->job_export, EV_JOB_PRIORITY_NONE); + + return FALSE; +} + +static gboolean +ev_print_operation_export_print_dialog_response_cb (GtkDialog *dialog, + gint response, + EvPrintOperationExport *export) +{ + GtkPrintPages print_pages; + GtkPrintSettings *print_settings; + GtkPageSetup *page_setup; + GtkPrinter *printer; + gdouble scale; + gdouble width; + gdouble height; + gint first_page; + gint last_page; + const gchar *file_format; + gchar *filename; + EvFileExporterContext fc; + GError *error = NULL; + EvPrintOperation *op = EV_PRINT_OPERATION (export); + + if (response != GTK_RESPONSE_OK && + response != GTK_RESPONSE_APPLY) { + gtk_widget_destroy (GTK_WIDGET (dialog)); + + return FALSE; + } + + export->print_preview = (response == GTK_RESPONSE_APPLY); + + printer = gtk_print_unix_dialog_get_selected_printer (GTK_PRINT_UNIX_DIALOG (dialog)); + ev_print_operation_export_set_printer (export, printer); + + print_settings = gtk_print_unix_dialog_get_settings (GTK_PRINT_UNIX_DIALOG (dialog)); + ev_print_operation_export_set_print_settings (op, print_settings); + + page_setup = gtk_print_unix_dialog_get_page_setup (GTK_PRINT_UNIX_DIALOG (dialog)); + ev_print_operation_export_set_default_page_setup (op, page_setup); + + if (!gtk_printer_accepts_ps (export->printer)) { + g_set_error (&export->error, + GTK_PRINT_ERROR, + GTK_PRINT_ERROR_GENERAL, + "%s", _("Printing is not supported on this printer.")); + g_signal_emit (op, signals[DONE], 0, GTK_PRINT_OPERATION_RESULT_ERROR); + gtk_widget_destroy (GTK_WIDGET (dialog)); + + return FALSE; + } + + file_format = gtk_print_settings_get (print_settings, GTK_PRINT_SETTINGS_OUTPUT_FILE_FORMAT); + + filename = g_strdup_printf ("evince_print.%s.XXXXXX", file_format); + export->fd = g_file_open_tmp (filename, &export->temp_file, &error); + g_free (filename); + if (export->fd <= -1) { + g_set_error_literal (&export->error, + GTK_PRINT_ERROR, + GTK_PRINT_ERROR_GENERAL, + error->message); + g_error_free (error); + g_signal_emit (op, signals[DONE], 0, GTK_PRINT_OPERATION_RESULT_ERROR); + gtk_widget_destroy (GTK_WIDGET (dialog)); + + return FALSE; + } + + export->current_page = gtk_print_unix_dialog_get_current_page (GTK_PRINT_UNIX_DIALOG (dialog)); + print_pages = gtk_print_settings_get_print_pages (print_settings); + + switch (print_pages) { + case GTK_PRINT_PAGES_CURRENT: + export->ranges = &export->one_range; + + export->ranges[0].start = export->current_page; + export->ranges[0].end = export->current_page; + export->n_ranges = 1; + + break; + case GTK_PRINT_PAGES_RANGES: { + gint i; + + export->ranges = gtk_print_settings_get_page_ranges (print_settings, &export->n_ranges); + for (i = 0; i < export->n_ranges; i++) + if (export->ranges[i].end == -1 || export->ranges[i].end >= export->n_pages) + export->ranges[i].end = export->n_pages - 1; + } + break; + case GTK_PRINT_PAGES_ALL: + export->ranges = &export->one_range; + + export->ranges[0].start = 0; + export->ranges[0].end = export->n_pages - 1; + export->n_ranges = 1; + + break; + } + clamp_ranges (export); + + export->page_set = gtk_print_settings_get_page_set (print_settings); + + width = gtk_page_setup_get_paper_width (page_setup, GTK_UNIT_POINTS); + height = gtk_page_setup_get_paper_height (page_setup, GTK_UNIT_POINTS); + scale = gtk_print_settings_get_scale (print_settings) * 0.01; + if (scale != 1.0) { + width *= scale; + height *= scale; + } + + export->pages_per_sheet = gtk_print_settings_get_number_up (print_settings); + + export->copies = gtk_print_settings_get_n_copies (print_settings); + export->collate = gtk_print_settings_get_collate (print_settings); + export->reverse = gtk_print_settings_get_reverse (print_settings); + + if (export->collate) { + export->uncollated_copies = export->copies; + export->collated_copies = 1; + } else { + export->uncollated_copies = 1; + export->collated_copies = export->copies; + } + + if (export->reverse) { + export->range = export->n_ranges - 1; + export->inc = -1; + } else { + export->range = 0; + export->inc = 1; + } + find_range (export); + + export->page = export->start - export->inc; + export->collated = export->collated_copies - 1; + + first_page = get_first_page (export); + last_page = get_last_page (export); + + fc.format = g_ascii_strcasecmp (file_format, "pdf") == 0 ? + EV_FILE_FORMAT_PDF : EV_FILE_FORMAT_PS; + fc.filename = export->temp_file; + fc.first_page = MIN (first_page, last_page); + fc.last_page = MAX (first_page, last_page); + fc.paper_width = width; + fc.paper_height = height; + fc.duplex = FALSE; + fc.pages_per_sheet = MAX (1, export->pages_per_sheet); + + ev_document_doc_mutex_lock (); + ev_file_exporter_begin (EV_FILE_EXPORTER (op->document), &fc); + ev_document_doc_mutex_unlock (); + + export->idle_id = g_idle_add_full (G_PRIORITY_DEFAULT_IDLE, + (GSourceFunc)export_print_page, + export, + (GDestroyNotify)export_print_page_idle_finished); + + gtk_widget_destroy (GTK_WIDGET (dialog)); + + return TRUE; +} + +static void +ev_print_operation_export_run (EvPrintOperation *op, + GtkWindow *parent) +{ + EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (op); + GtkWidget *dialog; + GtkPrintCapabilities capabilities; + + export->parent_window = parent; + export->error = NULL; + + dialog = gtk_print_unix_dialog_new (_("Print"), parent); + gtk_window_set_modal (GTK_WINDOW (dialog), TRUE); + + capabilities = GTK_PRINT_CAPABILITY_PREVIEW | + ev_file_exporter_get_capabilities (EV_FILE_EXPORTER (op->document)); + gtk_print_unix_dialog_set_manual_capabilities (GTK_PRINT_UNIX_DIALOG (dialog), + capabilities); + + gtk_print_unix_dialog_set_current_page (GTK_PRINT_UNIX_DIALOG (dialog), + export->current_page); + + gtk_print_unix_dialog_set_settings (GTK_PRINT_UNIX_DIALOG (dialog), + export->print_settings); + + if (export->page_setup) + gtk_print_unix_dialog_set_page_setup (GTK_PRINT_UNIX_DIALOG (dialog), + export->page_setup); + + g_signal_connect (G_OBJECT (dialog), "response", + G_CALLBACK (ev_print_operation_export_print_dialog_response_cb), + export); + + gtk_window_present (GTK_WINDOW (dialog)); +} + +static void +ev_print_operation_export_cancel (EvPrintOperation *op) +{ + EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (op); + + if (export->job_export) { + ev_job_cancel (export->job_export); + } +} + +static void +ev_print_operation_export_get_error (EvPrintOperation *op, + GError **error) +{ + EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (op); + + g_propagate_error (error, export->error); + export->error = NULL; +} + +static void +ev_print_operation_export_finalize (GObject *object) +{ + EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (object); + + if (export->idle_id > 0) { + g_source_remove (export->idle_id); + export->idle_id = 0; + } + + if (export->fd != -1) { + close (export->fd); + export->fd = -1; + } + + if (export->ranges) { + if (export->ranges != &export->one_range) + g_free (export->ranges); + export->ranges = NULL; + export->n_ranges = 0; + } + + if (export->temp_file) { + g_free (export->temp_file); + export->temp_file = NULL; + } + + if (export->job_name) { + g_free (export->job_name); + export->job_name = NULL; + } + + if (export->job_export) { + if (!ev_job_is_finished (export->job_export)) + ev_job_cancel (export->job_export); + g_signal_handlers_disconnect_by_func (export->job_export, + export_job_finished, + export); + g_signal_handlers_disconnect_by_func (export->job_export, + export_job_cancelled, + export); + g_object_unref (export->job_export); + export->job_export = NULL; + } + + if (export->error) { + g_error_free (export->error); + export->error = NULL; + } + + if (export->print_settings) { + g_object_unref (export->print_settings); + export->print_settings = NULL; + } + + if (export->page_setup) { + g_object_unref (export->page_setup); + export->page_setup = NULL; + } + + if (export->printer) { + g_object_unref (export->printer); + export->printer = NULL; + } + + (* G_OBJECT_CLASS (ev_print_operation_export_parent_class)->finalize) (object); +} + +static void +ev_print_operation_export_init (EvPrintOperationExport *export) +{ +} + +static GObject * +ev_print_operation_export_constructor (GType type, + guint n_construct_properties, + GObjectConstructParam *construct_params) +{ + GObject *object; + EvPrintOperationExport *export; + EvPrintOperation *op; + + object = G_OBJECT_CLASS (ev_print_operation_export_parent_class)->constructor (type, + n_construct_properties, + construct_params); + export = EV_PRINT_OPERATION_EXPORT (object); + op = EV_PRINT_OPERATION (object); + export->n_pages = ev_page_cache_get_n_pages (ev_page_cache_get (op->document)); + + return object; +} + +static void +ev_print_operation_export_class_init (EvPrintOperationExportClass *klass) +{ + GObjectClass *g_object_class = G_OBJECT_CLASS (klass); + EvPrintOperationClass *ev_print_op_class = EV_PRINT_OPERATION_CLASS (klass); + + ev_print_op_class->set_current_page = ev_print_operation_export_set_current_page; + ev_print_op_class->set_print_settings = ev_print_operation_export_set_print_settings; + ev_print_op_class->get_print_settings = ev_print_operation_export_get_print_settings; + ev_print_op_class->set_default_page_setup = ev_print_operation_export_set_default_page_setup; + ev_print_op_class->get_default_page_setup = ev_print_operation_export_get_default_page_setup; + ev_print_op_class->set_job_name = ev_print_operation_export_set_job_name; + ev_print_op_class->run = ev_print_operation_export_run; + ev_print_op_class->cancel = ev_print_operation_export_cancel; + ev_print_op_class->get_error = ev_print_operation_export_get_error; + + g_object_class->constructor = ev_print_operation_export_constructor; + g_object_class->finalize = ev_print_operation_export_finalize; +} + +/* Factory method */ +EvPrintOperation * +ev_print_operation_new (EvDocument *document) +{ + /* TODO: EvPrintOperationPrint */ + + return EV_PRINT_OPERATION (g_object_new (EV_TYPE_PRINT_OPERATION_EXPORT, + "document", document, NULL)); +} -- cgit v0.9.1