1 /* ev-view-presentation.c
2 * this file is part of evince, a gnome document viewer
4 * Copyright (C) 2010 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.
24 #include <glib/gi18n-lib.h>
25 #include <gdk/gdkkeysyms.h>
27 #include "ev-view-presentation.h"
29 #include "ev-job-scheduler.h"
30 #include "ev-transition-animation.h"
31 #include "ev-view-cursor.h"
32 #include "ev-page-cache.h"
33 #include "ev-mapping.h"
48 EV_PRESENTATION_NORMAL,
49 EV_PRESENTATION_BLACK,
50 EV_PRESENTATION_WHITE,
52 } EvPresentationState;
54 struct _EvViewPresentation
61 EvPresentationState state;
66 guint hide_cursor_timeout_id;
69 GtkWidget *goto_window;
70 GtkWidget *goto_entry;
73 guint trans_timeout_id;
76 gboolean enable_animations;
77 EvTransitionAnimation *animation;
80 EvPageCache *page_cache;
87 struct _EvViewPresentationClass
89 GtkWidgetClass base_class;
92 void (* change_page) (EvViewPresentation *pview,
93 GtkScrollType scroll);
96 static guint signals[N_SIGNALS] = { 0 };
98 static void ev_view_presentation_next_page (EvViewPresentation *pview);
99 static void ev_view_presentation_previous_page (EvViewPresentation *pview);
100 static void ev_view_presentation_set_cursor_for_location (EvViewPresentation *pview,
104 #define HIDE_CURSOR_TIMEOUT 5
106 G_DEFINE_TYPE (EvViewPresentation, ev_view_presentation, GTK_TYPE_WIDGET)
109 ev_view_presentation_set_normal (EvViewPresentation *pview)
111 GtkWidget *widget = GTK_WIDGET (pview);
113 if (pview->state == EV_PRESENTATION_NORMAL)
116 pview->state = EV_PRESENTATION_NORMAL;
117 gdk_window_set_background (widget->window, &widget->style->black);
118 gtk_widget_queue_draw (widget);
122 ev_view_presentation_set_black (EvViewPresentation *pview)
124 GtkWidget *widget = GTK_WIDGET (pview);
126 if (pview->state == EV_PRESENTATION_BLACK)
129 pview->state = EV_PRESENTATION_BLACK;
130 gdk_window_set_background (widget->window, &widget->style->black);
131 gtk_widget_queue_draw (widget);
135 ev_view_presentation_set_white (EvViewPresentation *pview)
137 GtkWidget *widget = GTK_WIDGET (pview);
139 if (pview->state == EV_PRESENTATION_WHITE)
142 pview->state = EV_PRESENTATION_WHITE;
143 gdk_window_set_background (widget->window, &widget->style->white);
144 gtk_widget_queue_draw (widget);
148 ev_view_presentation_set_end (EvViewPresentation *pview)
150 GtkWidget *widget = GTK_WIDGET (pview);
152 if (pview->state == EV_PRESENTATION_END)
155 pview->state = EV_PRESENTATION_END;
156 gtk_widget_queue_draw (widget);
160 ev_view_presentation_get_scale_for_page (EvViewPresentation *pview,
163 gdouble width, height;
165 ev_document_get_page_size (pview->document, page, &width, &height);
167 if (pview->rotation == 90 || pview->rotation == 270)
168 return GTK_WIDGET (pview)->allocation.height / width;
170 return GTK_WIDGET (pview)->allocation.height / height;
174 ev_view_presentation_update_scale (EvViewPresentation *pview)
176 if (ev_document_is_page_size_uniform (pview->document) && pview->scale != 0)
179 pview->scale = ev_view_presentation_get_scale_for_page (pview, pview->current_page);
183 ev_view_presentation_get_page_area (EvViewPresentation *pview,
186 GtkWidget *widget = GTK_WIDGET (pview);
187 gdouble doc_width, doc_height;
188 gint view_width, view_height;
190 ev_document_get_page_size (pview->document,
192 &doc_width, &doc_height);
194 if (pview->rotation == 90 || pview->rotation == 270) {
195 view_width = (gint)((doc_height * pview->scale) + 0.5);
196 view_height = (gint)((doc_width * pview->scale) + 0.5);
198 view_width = (gint)((doc_width * pview->scale) + 0.5);
199 view_height = (gint)((doc_height * pview->scale) + 0.5);
202 area->x = (MAX (0, widget->allocation.width - view_width)) / 2;
203 area->y = (MAX (0, widget->allocation.height - view_height)) / 2;
204 area->width = view_width;
205 area->height = view_height;
208 /* Page Transition */
210 transition_next_page (EvViewPresentation *pview)
212 ev_view_presentation_next_page (pview);
218 ev_view_presentation_transition_stop (EvViewPresentation *pview)
220 if (pview->trans_timeout_id > 0)
221 g_source_remove (pview->trans_timeout_id);
222 pview->trans_timeout_id = 0;
226 ev_view_presentation_transition_start (EvViewPresentation *pview)
230 if (!EV_IS_DOCUMENT_TRANSITION (pview->document))
233 ev_view_presentation_transition_stop (pview);
235 duration = ev_document_transition_get_page_duration (EV_DOCUMENT_TRANSITION (pview->document),
236 pview->current_page);
238 pview->trans_timeout_id =
239 g_timeout_add_seconds (duration,
240 (GSourceFunc) transition_next_page,
247 ev_view_presentation_animation_cancel (EvViewPresentation *pview)
249 if (pview->animation) {
250 g_object_unref (pview->animation);
251 pview->animation = NULL;
256 ev_view_presentation_transition_animation_finish (EvViewPresentation *pview)
258 ev_view_presentation_animation_cancel (pview);
259 ev_view_presentation_transition_start (pview);
260 gtk_widget_queue_draw (GTK_WIDGET (pview));
264 ev_view_presentation_transition_animation_frame (EvViewPresentation *pview,
267 gtk_widget_queue_draw (GTK_WIDGET (pview));
271 ev_view_presentation_animation_start (EvViewPresentation *pview,
274 EvTransitionEffect *effect = NULL;
275 cairo_surface_t *surface;
278 if (!pview->enable_animations)
281 if (pview->current_page == new_page)
284 effect = ev_document_transition_get_effect (EV_DOCUMENT_TRANSITION (pview->document),
289 pview->animation = ev_transition_animation_new (effect);
291 surface = EV_JOB_RENDER (pview->curr_job)->surface;
292 ev_transition_animation_set_origin_surface (pview->animation, surface);
294 jump = new_page - pview->current_page;
296 surface = EV_JOB_RENDER (pview->prev_job)->surface;
298 surface = EV_JOB_RENDER (pview->next_job)->surface;
302 ev_transition_animation_set_dest_surface (pview->animation, surface);
304 g_signal_connect_swapped (pview->animation, "frame",
305 G_CALLBACK (ev_view_presentation_transition_animation_frame),
307 g_signal_connect_swapped (pview->animation, "finished",
308 G_CALLBACK (ev_view_presentation_transition_animation_finish),
312 /* Page Navigation */
314 job_finished_cb (EvJob *job,
315 EvViewPresentation *pview)
317 EvJobRender *job_render = EV_JOB_RENDER (job);
319 if (job != pview->curr_job)
322 if (pview->animation) {
323 ev_transition_animation_set_dest_surface (pview->animation,
324 job_render->surface);
326 ev_view_presentation_transition_start (pview);
327 gtk_widget_queue_draw (GTK_WIDGET (pview));
332 ev_view_presentation_schedule_new_job (EvViewPresentation *pview,
334 EvJobPriority priority)
339 if (page < 0 || page >= ev_document_get_n_pages (pview->document))
342 if (ev_document_is_page_size_uniform (pview->document))
343 scale = pview->scale;
345 scale = ev_view_presentation_get_scale_for_page (pview, page);
346 job = ev_job_render_new (pview->document, page, pview->rotation, pview->scale, 0, 0);
347 g_signal_connect (job, "finished",
348 G_CALLBACK (job_finished_cb),
350 ev_job_scheduler_push_job (job, priority);
356 ev_view_presentation_delete_job (EvViewPresentation *pview,
362 g_signal_handlers_disconnect_by_func (job, job_finished_cb, pview);
364 g_object_unref (job);
368 ev_view_presentation_update_current_page (EvViewPresentation *pview,
373 if (page < 0 || page >= ev_document_get_n_pages (pview->document))
376 ev_view_presentation_animation_cancel (pview);
377 ev_view_presentation_animation_start (pview, page);
379 jump = page - pview->current_page;
383 if (!pview->curr_job)
384 pview->curr_job = ev_view_presentation_schedule_new_job (pview, page, EV_JOB_PRIORITY_URGENT);
385 if (!pview->next_job)
386 pview->next_job = ev_view_presentation_schedule_new_job (pview, page + 1, EV_JOB_PRIORITY_HIGH);
387 if (!pview->prev_job)
388 pview->prev_job = ev_view_presentation_schedule_new_job (pview, page - 1, EV_JOB_PRIORITY_LOW);
391 ev_view_presentation_delete_job (pview, pview->next_job);
392 pview->next_job = pview->curr_job;
393 pview->curr_job = pview->prev_job;
395 if (!pview->curr_job)
396 pview->curr_job = ev_view_presentation_schedule_new_job (pview, page, EV_JOB_PRIORITY_URGENT);
398 ev_job_scheduler_update_job (pview->curr_job, EV_JOB_PRIORITY_URGENT);
399 pview->prev_job = ev_view_presentation_schedule_new_job (pview, page - 1, EV_JOB_PRIORITY_HIGH);
400 ev_job_scheduler_update_job (pview->next_job, EV_JOB_PRIORITY_LOW);
404 ev_view_presentation_delete_job (pview, pview->prev_job);
405 pview->prev_job = pview->curr_job;
406 pview->curr_job = pview->next_job;
408 if (!pview->curr_job)
409 pview->curr_job = ev_view_presentation_schedule_new_job (pview, page, EV_JOB_PRIORITY_URGENT);
411 ev_job_scheduler_update_job (pview->curr_job, EV_JOB_PRIORITY_URGENT);
412 pview->next_job = ev_view_presentation_schedule_new_job (pview, page + 1, EV_JOB_PRIORITY_HIGH);
413 ev_job_scheduler_update_job (pview->prev_job, EV_JOB_PRIORITY_LOW);
417 ev_view_presentation_delete_job (pview, pview->next_job);
418 ev_view_presentation_delete_job (pview, pview->curr_job);
419 pview->next_job = pview->prev_job;
421 pview->curr_job = ev_view_presentation_schedule_new_job (pview, page, EV_JOB_PRIORITY_URGENT);
422 pview->prev_job = ev_view_presentation_schedule_new_job (pview, page - 1, EV_JOB_PRIORITY_HIGH);
423 if (!pview->next_job)
424 pview->next_job = ev_view_presentation_schedule_new_job (pview, page + 1, EV_JOB_PRIORITY_LOW);
426 ev_job_scheduler_update_job (pview->next_job, EV_JOB_PRIORITY_LOW);
429 ev_view_presentation_delete_job (pview, pview->prev_job);
430 ev_view_presentation_delete_job (pview, pview->curr_job);
431 pview->prev_job = pview->next_job;
433 pview->curr_job = ev_view_presentation_schedule_new_job (pview, page, EV_JOB_PRIORITY_URGENT);
434 pview->next_job = ev_view_presentation_schedule_new_job (pview, page + 1, EV_JOB_PRIORITY_HIGH);
435 if (!pview->prev_job)
436 pview->prev_job = ev_view_presentation_schedule_new_job (pview, page - 1, EV_JOB_PRIORITY_LOW);
438 ev_job_scheduler_update_job (pview->prev_job, EV_JOB_PRIORITY_LOW);
441 ev_view_presentation_delete_job (pview, pview->prev_job);
442 ev_view_presentation_delete_job (pview, pview->curr_job);
443 ev_view_presentation_delete_job (pview, pview->next_job);
445 pview->curr_job = ev_view_presentation_schedule_new_job (pview, page, EV_JOB_PRIORITY_URGENT);
447 pview->next_job = ev_view_presentation_schedule_new_job (pview, page + 1, EV_JOB_PRIORITY_HIGH);
448 pview->prev_job = ev_view_presentation_schedule_new_job (pview, page - 1, EV_JOB_PRIORITY_LOW);
450 pview->prev_job = ev_view_presentation_schedule_new_job (pview, page - 1, EV_JOB_PRIORITY_HIGH);
451 pview->next_job = ev_view_presentation_schedule_new_job (pview, page + 1, EV_JOB_PRIORITY_LOW);
455 pview->current_page = page;
456 ev_view_presentation_update_scale (pview);
457 if (pview->page_cache)
458 ev_page_cache_set_page_range (pview->page_cache, page, page);
460 if (pview->cursor != EV_VIEW_CURSOR_HIDDEN) {
463 gtk_widget_get_pointer (GTK_WIDGET (pview), &x, &y);
464 ev_view_presentation_set_cursor_for_location (pview, x, y);
467 if (EV_JOB_RENDER (pview->curr_job)->surface)
468 gtk_widget_queue_draw (GTK_WIDGET (pview));
472 ev_view_presentation_next_page (EvViewPresentation *pview)
477 switch (pview->state) {
478 case EV_PRESENTATION_BLACK:
479 case EV_PRESENTATION_WHITE:
480 ev_view_presentation_set_normal (pview);
481 case EV_PRESENTATION_END:
483 case EV_PRESENTATION_NORMAL:
487 n_pages = ev_document_get_n_pages (pview->document);
488 new_page = pview->current_page + 1;
490 if (new_page == n_pages)
491 ev_view_presentation_set_end (pview);
493 ev_view_presentation_update_current_page (pview, new_page);
497 ev_view_presentation_previous_page (EvViewPresentation *pview)
501 switch (pview->state) {
502 case EV_PRESENTATION_BLACK:
503 case EV_PRESENTATION_WHITE:
504 ev_view_presentation_set_normal (pview);
506 case EV_PRESENTATION_END:
507 pview->state = EV_PRESENTATION_NORMAL;
508 new_page = pview->current_page;
510 case EV_PRESENTATION_NORMAL:
511 new_page = pview->current_page - 1;
515 ev_view_presentation_update_current_page (pview, new_page);
519 #define KEY_IS_NUMERIC(keyval) \
520 ((keyval >= GDK_0 && keyval <= GDK_9) || (keyval >= GDK_KP_0 && keyval <= GDK_KP_9))
522 /* Cut and paste from gtkwindow.c */
524 send_focus_change (GtkWidget *widget,
527 GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE);
529 g_object_ref (widget);
532 GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
534 GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
536 fevent->focus_change.type = GDK_FOCUS_CHANGE;
537 fevent->focus_change.window = g_object_ref (widget->window);
538 fevent->focus_change.in = in;
540 gtk_widget_event (widget, fevent);
542 g_object_notify (G_OBJECT (widget), "has-focus");
544 g_object_unref (widget);
545 gdk_event_free (fevent);
549 ev_view_presentation_goto_window_hide (EvViewPresentation *pview)
551 /* send focus-in event */
552 send_focus_change (pview->goto_entry, FALSE);
553 gtk_widget_hide (pview->goto_window);
554 gtk_entry_set_text (GTK_ENTRY (pview->goto_entry), "");
558 ev_view_presentation_goto_window_delete_event (GtkWidget *widget,
560 EvViewPresentation *pview)
562 ev_view_presentation_goto_window_hide (pview);
568 ev_view_presentation_goto_window_key_press_event (GtkWidget *widget,
570 EvViewPresentation *pview)
572 switch (event->keyval) {
576 case GDK_ISO_Left_Tab:
577 ev_view_presentation_goto_window_hide (pview);
586 if (!KEY_IS_NUMERIC (event->keyval))
594 ev_view_presentation_goto_window_button_press_event (GtkWidget *widget,
595 GdkEventButton *event,
596 EvViewPresentation *pview)
598 ev_view_presentation_goto_window_hide (pview);
604 ev_view_presentation_goto_entry_activate (GtkEntry *entry,
605 EvViewPresentation *pview)
610 text = gtk_entry_get_text (entry);
611 page = atoi (text) - 1;
613 ev_view_presentation_goto_window_hide (pview);
614 ev_view_presentation_update_current_page (pview, page);
618 ev_view_presentation_goto_window_create (EvViewPresentation *pview)
620 GtkWidget *frame, *hbox, *toplevel, *label;
622 toplevel = gtk_widget_get_toplevel (GTK_WIDGET (pview));
624 if (pview->goto_window) {
625 if (GTK_WINDOW (toplevel)->group)
626 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
627 GTK_WINDOW (pview->goto_window));
628 else if (GTK_WINDOW (pview->goto_window)->group)
629 gtk_window_group_remove_window (GTK_WINDOW (pview->goto_window)->group,
630 GTK_WINDOW (pview->goto_window));
634 pview->goto_window = gtk_window_new (GTK_WINDOW_POPUP);
635 gtk_window_set_screen (GTK_WINDOW (pview->goto_window),
636 gtk_widget_get_screen (GTK_WIDGET (pview)));
638 if (GTK_WINDOW (toplevel)->group)
639 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
640 GTK_WINDOW (pview->goto_window));
642 gtk_window_set_modal (GTK_WINDOW (pview->goto_window), TRUE);
644 g_signal_connect (pview->goto_window, "delete_event",
645 G_CALLBACK (ev_view_presentation_goto_window_delete_event),
647 g_signal_connect (pview->goto_window, "key_press_event",
648 G_CALLBACK (ev_view_presentation_goto_window_key_press_event),
650 g_signal_connect (pview->goto_window, "button_press_event",
651 G_CALLBACK (ev_view_presentation_goto_window_button_press_event),
654 frame = gtk_frame_new (NULL);
655 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
656 gtk_container_add (GTK_CONTAINER (pview->goto_window), frame);
657 gtk_widget_show (frame);
659 hbox = gtk_hbox_new (FALSE, 0);
660 gtk_container_set_border_width (GTK_CONTAINER (hbox), 3);
661 gtk_container_add (GTK_CONTAINER (frame), hbox);
662 gtk_widget_show (hbox);
664 label = gtk_label_new (_("Jump to page:"));
665 gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 3);
666 gtk_widget_show (label);
667 gtk_widget_realize (label);
669 pview->goto_entry = gtk_entry_new ();
670 g_signal_connect (pview->goto_entry, "activate",
671 G_CALLBACK (ev_view_presentation_goto_entry_activate),
673 gtk_box_pack_start (GTK_BOX (hbox), pview->goto_entry, TRUE, TRUE, 0);
674 gtk_widget_show (pview->goto_entry);
675 gtk_widget_realize (pview->goto_entry);
679 ev_view_presentation_goto_entry_grab_focus (EvViewPresentation *pview)
681 GtkWidgetClass *entry_parent_class;
683 entry_parent_class = g_type_class_peek_parent (GTK_ENTRY_GET_CLASS (pview->goto_entry));
684 (entry_parent_class->grab_focus) (pview->goto_entry);
686 send_focus_change (pview->goto_entry, TRUE);
690 ev_view_presentation_goto_window_send_key_event (EvViewPresentation *pview,
693 GdkEventKey *new_event;
696 /* Move goto window off screen */
697 screen = gtk_widget_get_screen (GTK_WIDGET (pview));
698 gtk_window_move (GTK_WINDOW (pview->goto_window),
699 gdk_screen_get_width (screen) + 1,
700 gdk_screen_get_height (screen) + 1);
701 gtk_widget_show (pview->goto_window);
703 new_event = (GdkEventKey *) gdk_event_copy (event);
704 g_object_unref (new_event->window);
705 new_event->window = g_object_ref (pview->goto_window->window);
706 gtk_widget_realize (pview->goto_window);
708 gtk_widget_event (pview->goto_window, (GdkEvent *)new_event);
709 gdk_event_free ((GdkEvent *)new_event);
710 gtk_widget_hide (pview->goto_window);
715 ev_view_presentation_link_is_supported (EvViewPresentation *pview,
718 EvLinkAction *action;
720 action = ev_link_get_action (link);
724 switch (ev_link_action_get_action_type (action)) {
725 case EV_LINK_ACTION_TYPE_GOTO_DEST:
726 return ev_link_action_get_dest (action) != NULL;
727 case EV_LINK_ACTION_TYPE_NAMED:
737 ev_view_presentation_get_link_at_location (EvViewPresentation *pview,
741 GdkRectangle page_area;
744 gdouble width, height;
745 gdouble new_x, new_y;
747 if (!pview->page_cache)
750 ev_document_get_page_size (pview->document, pview->current_page, &width, &height);
751 ev_view_presentation_get_page_area (pview, &page_area);
752 x = (x - page_area.x) / pview->scale;
753 y = (y - page_area.y) / pview->scale;
754 switch (pview->rotation) {
773 g_assert_not_reached ();
776 link_mapping = ev_page_cache_get_link_mapping (pview->page_cache, pview->current_page);
778 link = link_mapping ? ev_mapping_list_get_data (link_mapping, new_x, new_y) : NULL;
780 return link && ev_view_presentation_link_is_supported (pview, link) ? link : NULL;
784 ev_vew_presentation_goto_link_dest (EvViewPresentation *pview,
787 EvLinkAction *action;
789 action = ev_link_get_action (link);
791 if (ev_link_action_get_action_type (action) == EV_LINK_ACTION_TYPE_NAMED) {
792 const gchar *name = ev_link_action_get_name (action);
794 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
795 ev_view_presentation_update_current_page (pview, 0);
796 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
797 ev_view_presentation_update_current_page (pview, pview->current_page - 1);
798 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
799 ev_view_presentation_update_current_page (pview, pview->current_page + 1);
800 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
803 n_pages = ev_document_get_n_pages (pview->document);
804 ev_view_presentation_update_current_page (pview, n_pages - 1);
810 dest = ev_link_action_get_dest (action);
811 page = ev_document_links_get_dest_page (EV_DOCUMENT_LINKS (pview->document), dest);
812 ev_view_presentation_update_current_page (pview, page);
818 ev_view_presentation_set_cursor (EvViewPresentation *pview,
819 EvViewCursor view_cursor)
824 if (pview->cursor == view_cursor)
827 widget = GTK_WIDGET (pview);
828 if (!GTK_WIDGET_REALIZED (widget))
829 gtk_widget_realize (widget);
831 pview->cursor = view_cursor;
833 cursor = ev_view_cursor_new (gtk_widget_get_display (widget), view_cursor);
834 gdk_window_set_cursor (widget->window, cursor);
837 gdk_cursor_unref (cursor);
841 ev_view_presentation_set_cursor_for_location (EvViewPresentation *pview,
845 if (ev_view_presentation_get_link_at_location (pview, x, y))
846 ev_view_presentation_set_cursor (pview, EV_VIEW_CURSOR_LINK);
848 ev_view_presentation_set_cursor (pview, EV_VIEW_CURSOR_NORMAL);
852 hide_cursor_timeout_cb (EvViewPresentation *pview)
854 ev_view_presentation_set_cursor (pview, EV_VIEW_CURSOR_HIDDEN);
855 pview->hide_cursor_timeout_id = 0;
861 ev_view_presentation_hide_cursor_timeout_stop (EvViewPresentation *pview)
863 if (pview->hide_cursor_timeout_id > 0)
864 g_source_remove (pview->hide_cursor_timeout_id);
865 pview->hide_cursor_timeout_id = 0;
869 ev_view_presentation_hide_cursor_timeout_start (EvViewPresentation *pview)
871 ev_view_presentation_hide_cursor_timeout_stop (pview);
872 pview->hide_cursor_timeout_id =
873 g_timeout_add_seconds (HIDE_CURSOR_TIMEOUT,
874 (GSourceFunc)hide_cursor_timeout_cb,
879 ev_view_presentation_destroy (GtkObject *object)
881 EvViewPresentation *pview = EV_VIEW_PRESENTATION (object);
883 if (pview->document) {
884 g_object_unref (pview->document);
885 pview->document = NULL;
888 ev_view_presentation_animation_cancel (pview);
889 ev_view_presentation_transition_stop (pview);
890 ev_view_presentation_hide_cursor_timeout_stop (pview);
892 if (pview->curr_job) {
893 ev_view_presentation_delete_job (pview, pview->curr_job);
894 pview->curr_job = NULL;
897 if (pview->prev_job) {
898 ev_view_presentation_delete_job (pview, pview->prev_job);
899 pview->prev_job = NULL;
902 if (pview->next_job) {
903 ev_view_presentation_delete_job (pview, pview->next_job);
904 pview->next_job = NULL;
907 if (pview->page_cache) {
908 g_object_unref (pview->page_cache);
909 pview->page_cache = NULL;
912 if (pview->goto_window) {
913 gtk_widget_destroy (pview->goto_window);
914 pview->goto_window = NULL;
915 pview->goto_entry = NULL;
918 GTK_OBJECT_CLASS (ev_view_presentation_parent_class)->destroy (object);
922 ev_view_presentation_size_request (GtkWidget *widget,
923 GtkRequisition *requisition)
925 requisition->width = 0;
926 requisition->height = 0;
930 ev_view_presentation_size_allocate (GtkWidget *widget,
931 GtkAllocation *allocation)
933 EvViewPresentation *pview = EV_VIEW_PRESENTATION (widget);
934 GdkScreen *screen = gtk_widget_get_screen (widget);
938 allocation->width = gdk_screen_get_width (screen);
939 allocation->height = gdk_screen_get_height (screen);
941 GTK_WIDGET_CLASS (ev_view_presentation_parent_class)->size_allocate (widget, allocation);
943 ev_view_presentation_update_scale (pview);
945 gtk_widget_queue_draw (widget);
949 ev_view_presentation_draw_end_page (EvViewPresentation *pview)
951 GtkWidget *widget = GTK_WIDGET (pview);
953 PangoFontDescription *font_desc;
955 GdkRectangle area = {0};
956 const gchar *text = _("End of presentation. Press Escape to exit.");
958 if (pview->state != EV_PRESENTATION_END)
961 layout = gtk_widget_create_pango_layout (widget, NULL);
962 markup = g_strdup_printf ("<span foreground=\"white\">%s</span>", text);
963 pango_layout_set_markup (layout, markup, -1);
966 font_desc = pango_font_description_new ();
967 pango_font_description_set_size (font_desc, 16 * PANGO_SCALE);
968 pango_layout_set_font_description (layout, font_desc);
970 area.width = widget->allocation.width;
971 area.height = widget->allocation.height;
973 gtk_paint_layout (widget->style,
975 GTK_WIDGET_STATE (widget),
984 pango_font_description_free (font_desc);
985 g_object_unref (layout);
989 ev_view_presentation_expose_event (GtkWidget *widget,
990 GdkEventExpose *event)
992 EvViewPresentation *pview = EV_VIEW_PRESENTATION (widget);
993 GdkRectangle page_area;
994 GdkRectangle overlap;
995 cairo_surface_t *surface;
998 switch (pview->state) {
999 case EV_PRESENTATION_END:
1000 ev_view_presentation_draw_end_page (pview);
1002 case EV_PRESENTATION_BLACK:
1003 case EV_PRESENTATION_WHITE:
1005 case EV_PRESENTATION_NORMAL:
1009 if (pview->animation) {
1010 if (ev_transition_animation_ready (pview->animation)) {
1011 ev_view_presentation_get_page_area (pview, &page_area);
1013 cr = gdk_cairo_create (widget->window);
1015 /* normalize to x=0, y=0 */
1016 cairo_translate (cr, page_area.x, page_area.y);
1017 page_area.x = page_area.y = 0;
1019 ev_transition_animation_paint (pview->animation, cr, page_area);
1026 surface = pview->curr_job ? EV_JOB_RENDER (pview->curr_job)->surface : NULL;
1030 ev_view_presentation_get_page_area (pview, &page_area);
1031 if (gdk_rectangle_intersect (&page_area, &(event->area), &overlap)) {
1032 cr = gdk_cairo_create (widget->window);
1034 cairo_translate (cr, overlap.x, overlap.y);
1035 cairo_surface_set_device_offset (surface,
1036 overlap.x - page_area.x,
1037 overlap.y - page_area.y);
1038 cairo_set_source_surface (cr, surface, 0, 0);
1047 ev_view_presentation_key_press_event (GtkWidget *widget,
1050 EvViewPresentation *pview = EV_VIEW_PRESENTATION (widget);
1052 if (pview->state == EV_PRESENTATION_END)
1053 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
1055 switch (event->keyval) {
1059 case GDK_KP_Decimal:
1060 if (pview->state == EV_PRESENTATION_BLACK)
1061 ev_view_presentation_set_normal (pview);
1063 ev_view_presentation_set_black (pview);
1068 if (pview->state == EV_PRESENTATION_WHITE)
1069 ev_view_presentation_set_normal (pview);
1071 ev_view_presentation_set_white (pview);
1078 ev_view_presentation_set_normal (pview);
1080 if (ev_document_get_n_pages (pview->document) > 1 && KEY_IS_NUMERIC (event->keyval)) {
1083 ev_view_presentation_goto_window_create (pview);
1084 ev_view_presentation_goto_window_send_key_event (pview, (GdkEvent *)event);
1085 gtk_widget_get_pointer (GTK_WIDGET (pview), &x, &y);
1086 gtk_window_move (GTK_WINDOW (pview->goto_window), x, y);
1087 gtk_widget_show (pview->goto_window);
1088 ev_view_presentation_goto_entry_grab_focus (pview);
1093 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
1097 ev_view_presentation_button_release_event (GtkWidget *widget,
1098 GdkEventButton *event)
1100 EvViewPresentation *pview = EV_VIEW_PRESENTATION (widget);
1102 switch (event->button) {
1106 link = ev_view_presentation_get_link_at_location (pview,
1110 ev_vew_presentation_goto_link_dest (pview, link);
1112 ev_view_presentation_next_page (pview);
1116 ev_view_presentation_previous_page (pview);
1126 ev_view_presentation_focus_out (GtkWidget *widget,
1127 GdkEventFocus *event)
1129 EvViewPresentation *pview = EV_VIEW_PRESENTATION (widget);
1131 if (pview->goto_window)
1132 ev_view_presentation_goto_window_hide (pview);
1138 ev_view_presentation_motion_notify_event (GtkWidget *widget,
1139 GdkEventMotion *event)
1141 EvViewPresentation *pview = EV_VIEW_PRESENTATION (widget);
1143 ev_view_presentation_hide_cursor_timeout_start (pview);
1144 ev_view_presentation_set_cursor_for_location (pview, event->x, event->y);
1150 ev_view_presentation_realize (GtkWidget *widget)
1152 GdkWindowAttr attributes;
1154 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
1156 attributes.window_type = GDK_WINDOW_CHILD;
1157 attributes.wclass = GDK_INPUT_OUTPUT;
1158 attributes.visual = gtk_widget_get_visual (widget);
1159 attributes.colormap = gtk_widget_get_colormap (widget);
1161 attributes.x = widget->allocation.x;
1162 attributes.y = widget->allocation.y;
1163 attributes.width = widget->allocation.width;
1164 attributes.height = widget->allocation.height;
1165 attributes.event_mask = GDK_EXPOSURE_MASK |
1166 GDK_BUTTON_PRESS_MASK |
1167 GDK_BUTTON_RELEASE_MASK |
1169 GDK_KEY_PRESS_MASK |
1170 GDK_POINTER_MOTION_MASK |
1171 GDK_POINTER_MOTION_HINT_MASK |
1172 GDK_ENTER_NOTIFY_MASK |
1173 GDK_LEAVE_NOTIFY_MASK;
1175 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
1177 GDK_WA_X | GDK_WA_Y |
1180 gdk_window_set_user_data (widget->window, widget);
1181 widget->style = gtk_style_attach (widget->style, widget->window);
1183 gdk_window_set_background (widget->window, &widget->style->black);
1185 gtk_widget_queue_resize (widget);
1189 ev_view_presentation_change_page (EvViewPresentation *pview,
1190 GtkScrollType scroll)
1193 case GTK_SCROLL_PAGE_FORWARD:
1194 ev_view_presentation_next_page (pview);
1196 case GTK_SCROLL_PAGE_BACKWARD:
1197 ev_view_presentation_previous_page (pview);
1200 g_assert_not_reached ();
1205 ev_view_presentation_scroll_event (GtkWidget *widget,
1206 GdkEventScroll *event)
1208 EvViewPresentation *pview = EV_VIEW_PRESENTATION (widget);
1211 state = event->state & gtk_accelerator_get_default_mod_mask ();
1215 switch (event->direction) {
1216 case GDK_SCROLL_DOWN:
1217 case GDK_SCROLL_RIGHT:
1218 ev_view_presentation_change_page (pview, GTK_SCROLL_PAGE_FORWARD);
1221 case GDK_SCROLL_LEFT:
1222 ev_view_presentation_change_page (pview, GTK_SCROLL_PAGE_BACKWARD);
1231 add_change_page_binding_keypad (GtkBindingSet *binding_set,
1233 GdkModifierType modifiers,
1234 GtkScrollType scroll)
1236 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
1238 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
1240 GTK_TYPE_SCROLL_TYPE, scroll);
1241 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
1243 GTK_TYPE_SCROLL_TYPE, scroll);
1247 ev_view_presentation_set_property (GObject *object,
1249 const GValue *value,
1252 EvViewPresentation *pview = EV_VIEW_PRESENTATION (object);
1256 pview->document = g_value_dup_object (value);
1257 pview->enable_animations = EV_IS_DOCUMENT_TRANSITION (pview->document);
1259 case PROP_CURRENT_PAGE:
1260 pview->current_page = g_value_get_uint (value);
1263 pview->rotation = g_value_get_uint (value);
1266 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
1271 ev_view_presentation_constructor (GType type,
1272 guint n_construct_properties,
1273 GObjectConstructParam *construct_params)
1276 EvViewPresentation *pview;
1279 object = G_OBJECT_CLASS (ev_view_presentation_parent_class)->constructor (type,
1280 n_construct_properties,
1282 pview = EV_VIEW_PRESENTATION (object);
1284 if (EV_IS_DOCUMENT_LINKS (pview->document)) {
1285 pview->page_cache = ev_page_cache_new (pview->document);
1286 ev_page_cache_set_flags (pview->page_cache, EV_PAGE_DATA_INCLUDE_LINKS);
1289 /* Call allocate asap to update page scale */
1290 ev_view_presentation_size_allocate (GTK_WIDGET (pview), &a);
1291 ev_view_presentation_update_current_page (pview, pview->current_page);
1292 ev_view_presentation_hide_cursor_timeout_start (pview);
1298 ev_view_presentation_class_init (EvViewPresentationClass *klass)
1300 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
1301 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
1302 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (klass);
1303 GtkBindingSet *binding_set;
1305 klass->change_page = ev_view_presentation_change_page;
1307 widget_class->size_allocate = ev_view_presentation_size_allocate;
1308 widget_class->size_request = ev_view_presentation_size_request;
1309 widget_class->realize = ev_view_presentation_realize;
1310 widget_class->expose_event = ev_view_presentation_expose_event;
1311 widget_class->key_press_event = ev_view_presentation_key_press_event;
1312 widget_class->button_release_event = ev_view_presentation_button_release_event;
1313 widget_class->focus_out_event = ev_view_presentation_focus_out;
1314 widget_class->motion_notify_event = ev_view_presentation_motion_notify_event;
1315 widget_class->scroll_event = ev_view_presentation_scroll_event;
1317 gtk_object_class->destroy = ev_view_presentation_destroy;
1319 gobject_class->constructor = ev_view_presentation_constructor;
1320 gobject_class->set_property = ev_view_presentation_set_property;
1322 g_object_class_install_property (gobject_class,
1324 g_param_spec_object ("document",
1329 G_PARAM_CONSTRUCT_ONLY));
1330 g_object_class_install_property (gobject_class,
1332 g_param_spec_uint ("current_page",
1337 G_PARAM_CONSTRUCT_ONLY));
1338 g_object_class_install_property (gobject_class,
1340 g_param_spec_uint ("rotation",
1342 "Current rotation angle",
1345 G_PARAM_CONSTRUCT_ONLY));
1347 signals[CHANGE_PAGE] =
1348 g_signal_new ("change_page",
1349 G_OBJECT_CLASS_TYPE (gobject_class),
1350 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1351 G_STRUCT_OFFSET (EvViewPresentationClass, change_page),
1353 g_cclosure_marshal_VOID__ENUM,
1355 GTK_TYPE_SCROLL_TYPE);
1357 binding_set = gtk_binding_set_by_class (klass);
1358 add_change_page_binding_keypad (binding_set, GDK_Left, 0, GTK_SCROLL_PAGE_BACKWARD);
1359 add_change_page_binding_keypad (binding_set, GDK_Right, 0, GTK_SCROLL_PAGE_FORWARD);
1360 add_change_page_binding_keypad (binding_set, GDK_Up, 0, GTK_SCROLL_PAGE_BACKWARD);
1361 add_change_page_binding_keypad (binding_set, GDK_Down, 0, GTK_SCROLL_PAGE_FORWARD);
1362 gtk_binding_entry_add_signal (binding_set, GDK_space, 0,
1364 GTK_TYPE_SCROLL_TYPE, GTK_SCROLL_PAGE_FORWARD);
1365 gtk_binding_entry_add_signal (binding_set, GDK_BackSpace, 0,
1367 GTK_TYPE_SCROLL_TYPE, GTK_SCROLL_PAGE_BACKWARD);
1368 gtk_binding_entry_add_signal (binding_set, GDK_Page_Down, 0,
1370 GTK_TYPE_SCROLL_TYPE, GTK_SCROLL_PAGE_FORWARD);
1371 gtk_binding_entry_add_signal (binding_set, GDK_Page_Up, 0,
1373 GTK_TYPE_SCROLL_TYPE, GTK_SCROLL_PAGE_BACKWARD);
1374 gtk_binding_entry_add_signal (binding_set, GDK_J, 0,
1376 GTK_TYPE_SCROLL_TYPE, GTK_SCROLL_PAGE_FORWARD);
1377 gtk_binding_entry_add_signal (binding_set, GDK_H, 0,
1379 GTK_TYPE_SCROLL_TYPE, GTK_SCROLL_PAGE_BACKWARD);
1380 gtk_binding_entry_add_signal (binding_set, GDK_L, 0,
1382 GTK_TYPE_SCROLL_TYPE, GTK_SCROLL_PAGE_FORWARD);
1383 gtk_binding_entry_add_signal (binding_set, GDK_K, 0,
1385 GTK_TYPE_SCROLL_TYPE, GTK_SCROLL_PAGE_BACKWARD);
1389 ev_view_presentation_init (EvViewPresentation *pview)
1391 GTK_WIDGET_SET_FLAGS (pview, GTK_CAN_FOCUS);
1395 ev_view_presentation_new (EvDocument *document,
1399 g_return_val_if_fail (EV_IS_DOCUMENT (document), NULL);
1400 g_return_val_if_fail (current_page < ev_document_get_n_pages (document), NULL);
1402 return GTK_WIDGET (g_object_new (EV_TYPE_VIEW_PRESENTATION,
1403 "document", document,
1404 "current_page", current_page,
1405 "rotation", rotation,
1410 ev_view_presentation_get_current_page (EvViewPresentation *pview)
1412 return pview->current_page;