1 /* ev-previewer-window.c:
2 * this file is part of evince, a gnome document viewer
4 * Copyright (C) 2009 Carlos Garcia Campos <carlosgc@gnome.org>
6 * Evince is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Evince is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
23 #include <gtk/gtkunixprint.h>
24 #include <glib/gi18n.h>
25 #include <evince-view.h>
26 #include "ev-page-action.h"
28 #include "ev-previewer-window.h"
30 struct _EvPreviewerWindow {
31 GtkWindow base_instance;
35 GtkActionGroup *action_group;
36 GtkUIManager *ui_manager;
43 GtkPrintSettings *print_settings;
44 GtkPageSetup *print_page_setup;
46 gchar *print_job_title;
50 struct _EvPreviewerWindowClass {
51 GtkWindowClass base_class;
54 G_DEFINE_TYPE (EvPreviewerWindow, ev_previewer_window, GTK_TYPE_WINDOW)
57 get_screen_dpi (GtkWindow *window)
62 screen = gtk_window_get_screen (window);
64 xdpi = 25.4 * gdk_screen_get_width (screen) / gdk_screen_get_width_mm (screen);
65 ydpi = 25.4 * gdk_screen_get_height (screen) / gdk_screen_get_height_mm (screen);
67 return (xdpi + ydpi) / 2.0;
71 ev_previewer_window_set_view_size (EvPreviewerWindow *window)
74 GtkRequisition vsb_requisition;
75 GtkRequisition hsb_requisition;
76 gint scrollbar_spacing;
81 /* Calculate the width available for the content */
82 width = window->swindow->allocation.width;
83 height = window->swindow->allocation.height;
85 if (gtk_scrolled_window_get_shadow_type (GTK_SCROLLED_WINDOW (window->swindow)) == GTK_SHADOW_IN) {
86 width -= 2 * GTK_WIDGET (window->view)->style->xthickness;
87 height -= 2 * GTK_WIDGET (window->view)->style->ythickness;
90 gtk_widget_size_request (GTK_SCROLLED_WINDOW (window->swindow)->vscrollbar,
92 gtk_widget_size_request (GTK_SCROLLED_WINDOW (window->swindow)->hscrollbar,
94 gtk_widget_style_get (window->swindow,
99 ev_view_set_zoom_for_size (window->view,
102 vsb_requisition.width + scrollbar_spacing,
103 hsb_requisition.height + scrollbar_spacing);
107 ev_previewer_window_error_dialog_run (EvPreviewerWindow *window,
112 dialog = gtk_message_dialog_new (GTK_WINDOW (window),
114 GTK_DIALOG_DESTROY_WITH_PARENT,
117 "%s", _("Failed to print document"));
118 gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
119 "%s", error->message);
120 gtk_dialog_run (GTK_DIALOG (dialog));
121 gtk_widget_destroy (dialog);
125 ev_previewer_window_previous_page (GtkAction *action,
126 EvPreviewerWindow *window)
128 ev_view_previous_page (window->view);
132 ev_previewer_window_next_page (GtkAction *action,
133 EvPreviewerWindow *window)
135 ev_view_next_page (window->view);
139 ev_previewer_window_zoom_in (GtkAction *action,
140 EvPreviewerWindow *window)
142 ev_view_set_sizing_mode (window->view, EV_SIZING_FREE);
143 ev_view_zoom_in (window->view);
147 ev_previewer_window_zoom_out (GtkAction *action,
148 EvPreviewerWindow *window)
150 ev_view_set_sizing_mode (window->view, EV_SIZING_FREE);
151 ev_view_zoom_out (window->view);
155 ev_previewer_window_zoom_best_fit (GtkToggleAction *action,
156 EvPreviewerWindow *window)
158 if (gtk_toggle_action_get_active (action)) {
159 ev_view_set_sizing_mode (window->view, EV_SIZING_BEST_FIT);
160 ev_previewer_window_set_view_size (window);
162 ev_view_set_sizing_mode (window->view, EV_SIZING_FREE);
167 ev_previewer_window_zoom_page_width (GtkToggleAction *action,
168 EvPreviewerWindow *window)
170 if (gtk_toggle_action_get_active (action)) {
171 ev_view_set_sizing_mode (window->view, EV_SIZING_FIT_WIDTH);
172 ev_previewer_window_set_view_size (window);
174 ev_view_set_sizing_mode (window->view, EV_SIZING_FREE);
179 ev_previewer_window_action_page_activated (GtkAction *action,
181 EvPreviewerWindow *window)
183 ev_view_handle_link (window->view, link);
184 gtk_widget_grab_focus (GTK_WIDGET (window->view));
188 ev_previewer_window_print_finished (GtkPrintJob *print_job,
189 EvPreviewerWindow *window,
193 ev_previewer_window_error_dialog_run (window, error);
196 g_object_unref (print_job);
197 gtk_widget_destroy (GTK_WIDGET (window));
201 ev_previewer_window_do_print (EvPreviewerWindow *window)
204 GError *error = NULL;
206 job = gtk_print_job_new (window->print_job_title ?
207 window->print_job_title :
210 window->print_settings,
211 window->print_page_setup);
212 if (gtk_print_job_set_source_file (job, window->source_file, &error)) {
213 gtk_print_job_send (job,
214 (GtkPrintJobCompleteFunc)ev_previewer_window_print_finished,
217 ev_previewer_window_error_dialog_run (window, error);
218 g_error_free (error);
221 gtk_widget_hide (GTK_WIDGET (window));
225 ev_previewer_window_enumerate_finished (EvPreviewerWindow *window)
227 if (window->printer) {
228 ev_previewer_window_do_print (window);
230 GError *error = NULL;
234 GTK_PRINT_ERROR_GENERAL,
235 _("The selected printer '%s' could not be found"),
236 gtk_print_settings_get_printer (window->print_settings));
238 ev_previewer_window_error_dialog_run (window, error);
239 g_error_free (error);
244 ev_previewer_window_enumerate_printers (GtkPrinter *printer,
245 EvPreviewerWindow *window)
247 const gchar *printer_name;
249 printer_name = gtk_print_settings_get_printer (window->print_settings);
251 && strcmp (printer_name, gtk_printer_get_name (printer)) == 0) ||
252 (!printer_name && gtk_printer_is_default (printer))) {
254 g_object_unref (window->printer);
255 window->printer = g_object_ref (printer);
257 return TRUE; /* we're done */
260 return FALSE; /* continue the enumeration */
264 ev_previewer_window_print (GtkAction *action,
265 EvPreviewerWindow *window)
267 if (!window->print_settings)
268 window->print_settings = gtk_print_settings_new ();
269 if (!window->print_page_setup)
270 window->print_page_setup = gtk_page_setup_new ();
271 gtk_enumerate_printers ((GtkPrinterFunc)ev_previewer_window_enumerate_printers,
273 (GDestroyNotify)ev_previewer_window_enumerate_finished,
277 static const GtkActionEntry action_entries[] = {
278 { "GoPreviousPage", GTK_STOCK_GO_UP, N_("_Previous Page"), "<control>Page_Up",
279 N_("Go to the previous page"),
280 G_CALLBACK (ev_previewer_window_previous_page) },
281 { "GoNextPage", GTK_STOCK_GO_DOWN, N_("_Next Page"), "<control>Page_Down",
282 N_("Go to the next page"),
283 G_CALLBACK (ev_previewer_window_next_page) },
284 { "ViewZoomIn", GTK_STOCK_ZOOM_IN, NULL, "<control>plus",
285 N_("Enlarge the document"),
286 G_CALLBACK (ev_previewer_window_zoom_in) },
287 { "ViewZoomOut", GTK_STOCK_ZOOM_OUT, NULL, "<control>minus",
288 N_("Shrink the document"),
289 G_CALLBACK (ev_previewer_window_zoom_out) },
290 { "PreviewPrint", GTK_STOCK_PRINT, N_("Print"), NULL,
291 N_("Print this document"),
292 G_CALLBACK (ev_previewer_window_print) }
295 static const GtkToggleActionEntry toggle_action_entries[] = {
296 { "ViewBestFit", EV_STOCK_ZOOM_PAGE, N_("_Best Fit"), NULL,
297 N_("Make the current document fill the window"),
298 G_CALLBACK (ev_previewer_window_zoom_best_fit) },
299 { "ViewPageWidth", EV_STOCK_ZOOM_WIDTH, N_("Fit Page _Width"), NULL,
300 N_("Make the current document fill the window width"),
301 G_CALLBACK (ev_previewer_window_zoom_page_width) }
304 /* EvView callbacks */
306 view_sizing_mode_changed (EvView *view,
308 EvPreviewerWindow *window)
310 EvSizingMode sizing_mode;
316 g_object_get (window->view,
317 "sizing_mode", &sizing_mode,
320 action = gtk_action_group_get_action (window->action_group, "ViewBestFit");
321 g_signal_handlers_block_by_func (action,
322 G_CALLBACK (ev_previewer_window_zoom_best_fit),
324 gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (action),
325 sizing_mode == EV_SIZING_BEST_FIT);
326 g_signal_handlers_unblock_by_func (action,
327 G_CALLBACK (ev_previewer_window_zoom_best_fit),
330 action = gtk_action_group_get_action (window->action_group, "ViewPageWidth");
331 g_signal_handlers_block_by_func (action,
332 G_CALLBACK (ev_previewer_window_zoom_page_width),
334 gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (action),
335 sizing_mode == EV_SIZING_FIT_WIDTH);
336 g_signal_handlers_unblock_by_func (action,
337 G_CALLBACK (ev_previewer_window_zoom_page_width),
342 ev_previewer_window_dispose (GObject *object)
344 EvPreviewerWindow *window = EV_PREVIEWER_WINDOW (object);
346 if (window->document) {
347 g_object_unref (window->document);
348 window->document = NULL;
351 if (window->action_group) {
352 g_object_unref (window->action_group);
353 window->action_group = NULL;
356 if (window->ui_manager) {
357 g_object_unref (window->ui_manager);
358 window->ui_manager = NULL;
361 if (window->print_settings) {
362 g_object_unref (window->print_settings);
363 window->print_settings = NULL;
366 if (window->print_page_setup) {
367 g_object_unref (window->print_page_setup);
368 window->print_page_setup = NULL;
371 if (window->printer) {
372 g_object_unref (window->printer);
373 window->printer = NULL;
376 if (window->print_job_title) {
377 g_free (window->print_job_title);
378 window->print_job_title = NULL;
381 if (window->source_file) {
382 g_free (window->source_file);
383 window->source_file = NULL;
386 G_OBJECT_CLASS (ev_previewer_window_parent_class)->dispose (object);
390 ev_previewer_window_init (EvPreviewerWindow *window)
395 GError *error = NULL;
397 gtk_window_set_default_size (GTK_WINDOW (window), 600, 600);
399 window->action_group = gtk_action_group_new ("PreviewerActions");
400 gtk_action_group_set_translation_domain (window->action_group, NULL);
401 gtk_action_group_add_actions (window->action_group, action_entries,
402 G_N_ELEMENTS (action_entries),
404 gtk_action_group_add_toggle_actions (window->action_group, toggle_action_entries,
405 G_N_ELEMENTS (toggle_action_entries),
407 gtk_action_group_set_sensitive (window->action_group, FALSE);
409 action = g_object_new (EV_TYPE_PAGE_ACTION,
410 "name", "PageSelector",
412 "tooltip", _("Select Page"),
413 "icon_name", "text-x-generic",
414 "visible_overflown", FALSE,
416 g_signal_connect (action, "activate_link",
417 G_CALLBACK (ev_previewer_window_action_page_activated),
419 gtk_action_group_add_action (window->action_group, action);
420 g_object_unref (action);
422 window->ui_manager = gtk_ui_manager_new ();
423 gtk_ui_manager_insert_action_group (window->ui_manager,
424 window->action_group, 0);
425 gtk_window_add_accel_group (GTK_WINDOW (window),
426 gtk_ui_manager_get_accel_group (window->ui_manager));
427 if (!gtk_ui_manager_add_ui_from_file (window->ui_manager,
428 DATADIR"/evince-previewer-ui.xml",
430 g_warning ("Failed to load ui from evince-previewer-ui.xml: %s", error->message);
431 g_error_free (error);
434 vbox = gtk_vbox_new (FALSE, 0);
436 toolbar = gtk_ui_manager_get_widget (window->ui_manager, "/PreviewToolbar");
437 gtk_box_pack_start (GTK_BOX (vbox), toolbar, FALSE, FALSE, 0);
438 gtk_widget_show (toolbar);
440 window->swindow = gtk_scrolled_window_new (NULL, NULL);
441 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (window->swindow),
442 GTK_POLICY_AUTOMATIC,
443 GTK_POLICY_AUTOMATIC);
445 window->view = EV_VIEW (ev_view_new ());
446 g_signal_connect (window->view, "notify::sizing-mode",
447 G_CALLBACK (view_sizing_mode_changed),
449 g_signal_connect_swapped (window->view, "zoom_invalid",
450 G_CALLBACK (ev_previewer_window_set_view_size),
453 ev_view_set_screen_dpi (window->view, get_screen_dpi (GTK_WINDOW (window)));
454 ev_view_set_continuous (window->view, FALSE);
455 ev_view_set_sizing_mode (window->view, EV_SIZING_FIT_WIDTH);
456 ev_view_set_loading (window->view, TRUE);
457 view_sizing_mode_changed (window->view, NULL, window);
459 gtk_container_add (GTK_CONTAINER (window->swindow), GTK_WIDGET (window->view));
460 gtk_widget_show (GTK_WIDGET (window->view));
462 gtk_box_pack_start (GTK_BOX (vbox), window->swindow, TRUE, TRUE, 0);
463 gtk_widget_show (window->swindow);
465 gtk_container_add (GTK_CONTAINER (window), vbox);
466 gtk_widget_show (vbox);
470 ev_previewer_window_class_init (EvPreviewerWindowClass *klass)
472 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
474 gobject_class->dispose = ev_previewer_window_dispose;
479 ev_previewer_window_new (void)
481 return GTK_WIDGET (g_object_new (EV_TYPE_PREVIEWER_WINDOW, NULL));
485 ev_previewer_window_set_document (EvPreviewerWindow *window,
486 EvDocument *document)
490 g_return_if_fail (EV_IS_PREVIEWER_WINDOW (window));
491 g_return_if_fail (EV_IS_DOCUMENT (document));
493 if (window->document)
496 action = gtk_action_group_get_action (window->action_group, "PageSelector");
497 ev_page_action_set_document (EV_PAGE_ACTION (action), document);
498 gtk_action_group_set_sensitive (window->action_group, TRUE);
500 window->document = g_object_ref (document);
501 ev_view_set_document (window->view, document);
502 ev_view_set_zoom (window->view,
503 get_screen_dpi (GTK_WINDOW (window)) / 72.0,
505 ev_view_set_loading (window->view, FALSE);
509 ev_previewer_window_set_print_settings (EvPreviewerWindow *window,
510 const gchar *print_settings)
512 if (window->print_settings)
513 g_object_unref (window->print_settings);
514 if (window->print_page_setup)
515 g_object_unref (window->print_page_setup);
516 if (window->print_job_title)
517 g_free (window->print_job_title);
519 if (print_settings && g_file_test (print_settings, G_FILE_TEST_IS_REGULAR)) {
521 GError *error = NULL;
523 key_file = g_key_file_new ();
524 g_key_file_load_from_file (key_file,
526 G_KEY_FILE_KEEP_COMMENTS |
527 G_KEY_FILE_KEEP_TRANSLATIONS,
530 GtkPrintSettings *psettings;
531 GtkPageSetup *psetup;
534 psettings = gtk_print_settings_new_from_key_file (key_file,
537 window->print_settings = psettings ? psettings : gtk_print_settings_new ();
539 psetup = gtk_page_setup_new_from_key_file (key_file,
542 window->print_page_setup = psetup ? psetup : gtk_page_setup_new ();
544 job_name = g_key_file_get_string (key_file,
545 "Print Job", "title",
548 window->print_job_title = job_name;
549 gtk_window_set_title (GTK_WINDOW (window), job_name);
552 window->print_settings = gtk_print_settings_new ();
553 window->print_page_setup = gtk_page_setup_new ();
554 g_error_free (error);
557 g_key_file_free (key_file);
559 window->print_settings = gtk_print_settings_new ();
560 window->print_page_setup = gtk_page_setup_new ();
565 ev_previewer_window_set_source_file (EvPreviewerWindow *window,
566 const gchar *source_file)
568 if (window->source_file)
569 g_free (window->source_file);
570 window->source_file = g_strdup (source_file);