1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
2 /* this file is part of evince, a gnome document viewer
4 * Copyright (C) 2004 Red Hat, Inc
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.
27 #include <glib/gi18n-lib.h>
29 #include <gdk/gdkkeysyms.h>
31 #include "ev-mapping.h"
32 #include "ev-document-forms.h"
33 #include "ev-document-images.h"
34 #include "ev-document-links.h"
35 #include "ev-document-misc.h"
36 #include "ev-document-transition.h"
37 #include "ev-page-cache.h"
38 #include "ev-pixbuf-cache.h"
39 #include "ev-transition-animation.h"
40 #include "ev-view-marshal.h"
41 #include "ev-document-annotations.h"
42 #include "ev-annotation-window.h"
44 #include "ev-view-accessible.h"
45 #include "ev-view-private.h"
46 #include "ev-view-type-builtins.h"
48 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
49 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
50 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
65 SIGNAL_BINDING_ACTIVATED,
79 static guint signals[N_SIGNALS];
84 } EvViewFindDirection;
86 #define ZOOM_IN_FACTOR 1.2
87 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
89 #define MIN_SCALE 0.05409
92 #define SCROLL_TIME 150
95 static void scroll_to_current_page (EvView *view,
96 GtkOrientation orientation);
97 static void ev_view_set_scroll_adjustments (GtkLayout *layout,
98 GtkAdjustment *hadjustment,
99 GtkAdjustment *vadjustment);
100 static void view_update_range_and_current_page (EvView *view);
101 static void set_scroll_adjustment (EvView *view,
102 GtkOrientation orientation,
103 GtkAdjustment *adjustment);
104 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
106 GdkModifierType modifiers,
107 GtkScrollType scroll,
108 gboolean horizontal);
109 static void ensure_rectangle_is_visible (EvView *view,
112 /*** Geometry computations ***/
113 static void compute_border (EvView *view,
117 static void get_page_y_offset (EvView *view,
121 static gboolean get_page_extents (EvView *view,
123 GdkRectangle *page_area,
125 static void view_rect_to_doc_rect (EvView *view,
126 GdkRectangle *view_rect,
127 GdkRectangle *page_area,
128 EvRectangle *doc_rect);
129 static void doc_rect_to_view_rect (EvView *view,
131 EvRectangle *doc_rect,
132 GdkRectangle *view_rect);
133 static void find_page_at_location (EvView *view,
139 static gboolean doc_point_to_view_point (EvView *view,
142 GdkPoint *view_point);
144 static EvLink * ev_view_get_link_at_location (EvView *view,
147 static char* tip_from_link (EvView *view,
150 static EvFormField *ev_view_get_form_field_at_location (EvView *view,
154 /*** Annotations ***/
155 static EvAnnotation *ev_view_get_annotation_at_location (EvView *view,
158 static void show_annotation_windows (EvView *view,
160 static void hide_annotation_windows (EvView *view,
162 /*** GtkWidget implementation ***/
163 static void ev_view_size_request_continuous_dual_page (EvView *view,
164 GtkRequisition *requisition);
165 static void ev_view_size_request_continuous (EvView *view,
166 GtkRequisition *requisition);
167 static void ev_view_size_request_dual_page (EvView *view,
168 GtkRequisition *requisition);
169 static void ev_view_size_request_single_page (EvView *view,
170 GtkRequisition *requisition);
171 static void ev_view_size_request (GtkWidget *widget,
172 GtkRequisition *requisition);
173 static void ev_view_size_allocate (GtkWidget *widget,
174 GtkAllocation *allocation);
175 static void ev_view_realize (GtkWidget *widget);
176 static gboolean ev_view_scroll_event (GtkWidget *widget,
177 GdkEventScroll *event);
178 static gboolean ev_view_expose_event (GtkWidget *widget,
179 GdkEventExpose *event);
180 static gboolean ev_view_popup_menu (GtkWidget *widget);
181 static gboolean ev_view_button_press_event (GtkWidget *widget,
182 GdkEventButton *event);
183 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
184 GdkEventMotion *event);
185 static gboolean ev_view_button_release_event (GtkWidget *widget,
186 GdkEventButton *event);
187 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
188 GdkEventCrossing *event);
189 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
190 GdkEventCrossing *event);
191 static void ev_view_style_set (GtkWidget *widget,
192 GtkStyle *old_style);
193 static void ev_view_remove_all (EvView *view);
195 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
198 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
199 static void draw_rubberband (GtkWidget *widget,
201 const GdkRectangle *rect,
203 static void highlight_find_results (EvView *view,
205 static void draw_one_page (EvView *view,
208 GdkRectangle *page_area,
210 GdkRectangle *expose_area,
211 gboolean *page_ready);
212 static void draw_loading_text (EvView *view,
213 GdkRectangle *page_area,
214 GdkRectangle *expose_area);
215 static void ev_view_reload_page (EvView *view,
220 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
223 static void page_changed_cb (EvPageCache *page_cache,
226 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
230 static void ev_view_finalize (GObject *object);
231 static void ev_view_destroy (GtkObject *object);
232 static void ev_view_set_property (GObject *object,
236 static void ev_view_get_property (GObject *object,
240 static void ev_view_class_init (EvViewClass *class);
241 static void ev_view_init (EvView *view);
243 /*** Zoom and sizing ***/
244 static double zoom_for_size_fit_width (int doc_width,
249 static double zoom_for_size_fit_height (int doc_width,
254 static double zoom_for_size_best_fit (int doc_width,
260 static void ev_view_zoom_for_size_presentation (EvView *view,
263 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
268 static void ev_view_zoom_for_size_continuous (EvView *view,
273 static void ev_view_zoom_for_size_dual_page (EvView *view,
278 static void ev_view_zoom_for_size_single_page (EvView *view,
284 static GdkCursor* ev_view_create_invisible_cursor (void);
285 static void ev_view_set_cursor (EvView *view,
286 EvViewCursor new_cursor);
287 static void ev_view_handle_cursor_over_xy (EvView *view,
292 static gint ev_view_find_get_n_results (EvView *view,
294 static EvRectangle *ev_view_find_get_result (EvView *view,
297 static void jump_to_find_result (EvView *view);
298 static void jump_to_find_page (EvView *view,
299 EvViewFindDirection direction,
303 static void compute_selections (EvView *view,
304 EvSelectionStyle style,
307 static void clear_selection (EvView *view);
308 static void clear_link_selected (EvView *view);
309 static void selection_free (EvViewSelection *selection);
310 static char* get_selected_text (EvView *ev_view);
311 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
312 GtkSelectionData *selection_data,
315 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
317 static void ev_view_update_primary_selection (EvView *ev_view);
319 /*** Presentation ***/
320 static void ev_view_presentation_transition_start (EvView *ev_view);
321 static void ev_view_presentation_transition_stop (EvView *ev_view);
324 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_LAYOUT)
327 scroll_to_current_page (EvView *view, GtkOrientation orientation)
331 if (view->document == NULL) {
335 doc_point_to_view_point (view, view->current_page, &view->pending_point, &view_point);
337 if (orientation == GTK_ORIENTATION_VERTICAL) {
338 view->pending_point.y = 0;
340 view->pending_point.x = 0;
343 if (orientation == GTK_ORIENTATION_VERTICAL) {
344 if (view->continuous) {
345 gtk_adjustment_clamp_page (view->vadjustment,
346 view_point.y - view->spacing / 2,
347 view_point.y + view->vadjustment->page_size);
349 gtk_adjustment_set_value (view->vadjustment,
351 view->vadjustment->lower,
352 view->vadjustment->upper -
353 view->vadjustment->page_size));
356 if (view->dual_page) {
357 gtk_adjustment_clamp_page (view->hadjustment,
359 view_point.x + view->hadjustment->page_size);
361 gtk_adjustment_set_value (view->hadjustment,
363 view->hadjustment->lower,
364 view->hadjustment->upper -
365 view->hadjustment->page_size));
371 view_set_adjustment_values (EvView *view,
372 GtkOrientation orientation)
374 GtkWidget *widget = GTK_WIDGET (view);
375 GtkAdjustment *adjustment;
382 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
383 requisition = widget->requisition.width;
384 allocation = widget->allocation.width;
385 adjustment = view->hadjustment;
387 requisition = widget->requisition.height;
388 allocation = widget->allocation.height;
389 adjustment = view->vadjustment;
396 switch (view->pending_scroll) {
397 case SCROLL_TO_KEEP_POSITION:
398 case SCROLL_TO_FIND_LOCATION:
399 factor = (adjustment->value) / adjustment->upper;
401 case SCROLL_TO_PAGE_POSITION:
403 case SCROLL_TO_CENTER:
404 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
408 adjustment->page_size = allocation;
409 adjustment->step_increment = allocation * 0.1;
410 adjustment->page_increment = allocation * 0.9;
411 adjustment->lower = 0;
412 adjustment->upper = MAX (allocation, requisition);
415 * We add 0.5 to the values before to average out our rounding errors.
417 switch (view->pending_scroll) {
418 case SCROLL_TO_KEEP_POSITION:
419 case SCROLL_TO_FIND_LOCATION:
420 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
421 gtk_adjustment_set_value (adjustment, (int)new_value);
423 case SCROLL_TO_PAGE_POSITION:
424 scroll_to_current_page (view, orientation);
426 case SCROLL_TO_CENTER:
427 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
428 0, adjustment->upper - adjustment->page_size);
429 gtk_adjustment_set_value (adjustment, (int)new_value);
433 gtk_adjustment_changed (adjustment);
437 view_update_range_and_current_page (EvView *view)
440 gint best_current_page = -1;
441 gint start = view->start_page;
442 gint end = view->end_page;
444 /* Presentation trumps all other modes */
445 if (view->presentation) {
446 view->start_page = view->current_page;
447 view->end_page = view->current_page;
448 } else if (view->continuous) {
449 GdkRectangle current_area, unused, page_area;
451 gboolean found = FALSE;
452 gint area_max = -1, area;
455 if (!(view->vadjustment && view->hadjustment))
458 current_area.x = view->hadjustment->value;
459 current_area.width = view->hadjustment->upper;
460 current_area.y = view->vadjustment->value;
461 current_area.height = view->vadjustment->page_size;
463 for (i = 0; i < ev_page_cache_get_n_pages (view->page_cache); i++) {
465 get_page_extents (view, i, &page_area, &border);
467 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
468 area = unused.width * unused.height;
472 view->start_page = i;
474 best_current_page = i;
476 if (area > area_max) {
477 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
482 } else if (found && view->current_page <= view->end_page) {
487 } else if (view->dual_page) {
488 if (view->current_page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) {
489 view->start_page = view->current_page;
490 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache))
491 view->end_page = view->start_page + 1;
493 view->end_page = view->start_page;
495 if (view->current_page < 1)
496 view->start_page = view->current_page;
498 view->start_page = view->current_page - 1;
499 view->end_page = view->current_page;
502 view->start_page = view->current_page;
503 view->end_page = view->current_page;
506 best_current_page = MAX (best_current_page, view->start_page);
507 current_page = ev_page_cache_get_current_page (view->page_cache);
509 if ((current_page != best_current_page) && (view->pending_scroll == SCROLL_TO_KEEP_POSITION)) {
510 view->current_page = best_current_page;
511 ev_page_cache_set_current_page (view->page_cache, best_current_page);
514 if (start != view->start_page || end != view->end_page) {
517 for (i = start; i < view->start_page; i++) {
518 hide_annotation_windows (view, i);
521 for (i = end; i > view->end_page; i--) {
522 hide_annotation_windows (view, i);
526 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
531 view->selection_info.selections);
535 set_scroll_adjustment (EvView *view,
536 GtkOrientation orientation,
537 GtkAdjustment *adjustment)
539 GtkAdjustment **to_set;
541 if (orientation == GTK_ORIENTATION_HORIZONTAL)
542 to_set = &view->hadjustment;
544 to_set = &view->vadjustment;
546 if (*to_set != adjustment) {
548 g_signal_handlers_disconnect_by_func (*to_set,
549 (gpointer) on_adjustment_value_changed,
551 g_object_unref (*to_set);
554 *to_set = adjustment;
555 view_set_adjustment_values (view, orientation);
558 g_object_ref (*to_set);
559 g_signal_connect (*to_set, "value_changed",
560 G_CALLBACK (on_adjustment_value_changed), view);
566 ev_view_set_scroll_adjustments (GtkLayout *layout,
567 GtkAdjustment *hadjustment,
568 GtkAdjustment *vadjustment)
570 EvView *view = EV_VIEW (layout);
572 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
573 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
575 on_adjustment_value_changed (NULL, view);
579 add_scroll_binding_keypad (GtkBindingSet *binding_set,
581 GdkModifierType modifiers,
582 GtkScrollType scroll,
585 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
587 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
588 "binding_activated", 2,
589 GTK_TYPE_SCROLL_TYPE, scroll,
590 G_TYPE_BOOLEAN, horizontal);
591 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
592 "binding_activated", 2,
593 GTK_TYPE_SCROLL_TYPE, scroll,
594 G_TYPE_BOOLEAN, horizontal);
598 ev_view_scroll (EvView *view,
599 GtkScrollType scroll,
602 GtkAdjustment *adjustment;
603 double value, increment;
604 gboolean first_page = FALSE;
605 gboolean last_page = FALSE;
607 view->jump_to_find_result = FALSE;
609 if (view->presentation || view->sizing_mode == EV_SIZING_BEST_FIT) {
611 case GTK_SCROLL_PAGE_BACKWARD:
612 case GTK_SCROLL_STEP_BACKWARD:
613 ev_view_previous_page (view);
615 case GTK_SCROLL_PAGE_FORWARD:
616 case GTK_SCROLL_STEP_FORWARD:
617 ev_view_next_page (view);
625 /* Assign values for increment and vertical adjustment */
626 adjustment = horizontal ? view->hadjustment : view->vadjustment;
627 increment = adjustment->page_size * 0.75;
628 value = adjustment->value;
630 /* Assign boolean for first and last page */
631 if (view->current_page == 0)
633 if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1)
637 case GTK_SCROLL_PAGE_BACKWARD:
638 /* Do not jump backwards if at the first page */
639 if (value == (adjustment->lower) && first_page) {
641 /* At the top of a page, assign the upper bound limit of previous page */
642 } else if (value == (adjustment->lower)) {
643 value = adjustment->upper - adjustment->page_size;
644 ev_view_previous_page (view);
645 /* Jump to the top */
647 value = MAX (value - increment, adjustment->lower);
650 case GTK_SCROLL_PAGE_FORWARD:
651 /* Do not jump forward if at the last page */
652 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
654 /* At the bottom of a page, assign the lower bound limit of next page */
655 } else if (value == (adjustment->upper - adjustment->page_size)) {
657 ev_view_next_page (view);
658 /* Jump to the bottom */
660 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
663 case GTK_SCROLL_STEP_BACKWARD:
664 value -= adjustment->step_increment;
666 case GTK_SCROLL_STEP_FORWARD:
667 value += adjustment->step_increment;
669 case GTK_SCROLL_STEP_DOWN:
670 value -= adjustment->step_increment / 10;
672 case GTK_SCROLL_STEP_UP:
673 value += adjustment->step_increment / 10;
679 value = CLAMP (value, adjustment->lower,
680 adjustment->upper - adjustment->page_size);
682 gtk_adjustment_set_value (adjustment, value);
688 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
690 GtkWidget *widget = GTK_WIDGET (view);
691 GtkAdjustment *adjustment;
694 view->pending_scroll = SCROLL_TO_FIND_LOCATION;
696 adjustment = view->vadjustment;
698 if (rect->y < adjustment->value) {
699 value = MAX (adjustment->lower, rect->y - MARGIN);
700 gtk_adjustment_set_value (view->vadjustment, value);
701 } else if (rect->y + rect->height >
702 adjustment->value + widget->allocation.height) {
703 value = MIN (adjustment->upper, rect->y + rect->height -
704 widget->allocation.height + MARGIN);
705 gtk_adjustment_set_value (view->vadjustment, value);
708 adjustment = view->hadjustment;
710 if (rect->x < adjustment->value) {
711 value = MAX (adjustment->lower, rect->x - MARGIN);
712 gtk_adjustment_set_value (view->hadjustment, value);
713 } else if (rect->x + rect->height >
714 adjustment->value + widget->allocation.width) {
715 value = MIN (adjustment->upper, rect->x + rect->width -
716 widget->allocation.width + MARGIN);
717 gtk_adjustment_set_value (view->hadjustment, value);
720 gtk_widget_queue_resize (GTK_WIDGET (view));
723 /*** Geometry computations ***/
726 compute_border (EvView *view, int width, int height, GtkBorder *border)
728 if (view->presentation) {
734 ev_document_misc_get_page_border_size (width, height, border);
739 get_page_y_offset (EvView *view, int page, double zoom, int *y_offset)
741 int max_width, offset;
744 g_return_if_fail (y_offset != NULL);
746 ev_page_cache_get_max_width (view->page_cache, view->rotation, zoom, &max_width);
748 compute_border (view, max_width, max_width, &border);
750 if (view->dual_page) {
751 ev_page_cache_get_height_to_page (view->page_cache, page,
752 view->rotation, zoom, NULL, &offset);
753 offset += ((page + ev_page_cache_get_dual_even_left (view->page_cache)) / 2 + 1) * view->spacing + ((page + ev_page_cache_get_dual_even_left (view->page_cache)) / 2 ) * (border.top + border.bottom);
755 ev_page_cache_get_height_to_page (view->page_cache, page,
756 view->rotation, zoom, &offset, NULL);
757 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
765 get_page_extents (EvView *view,
767 GdkRectangle *page_area,
773 widget = GTK_WIDGET (view);
775 /* Get the size of the page */
776 ev_page_cache_get_size (view->page_cache, page,
780 compute_border (view, width, height, border);
781 page_area->width = width + border->left + border->right;
782 page_area->height = height + border->top + border->bottom;
784 if (view->presentation) {
785 page_area->x = (MAX (0, widget->allocation.width - width))/2;
786 page_area->y = (MAX (0, widget->allocation.height - height))/2;
787 } else if (view->continuous) {
791 ev_page_cache_get_max_width (view->page_cache, view->rotation,
792 view->scale, &max_width);
793 max_width = max_width + border->left + border->right;
794 /* Get the location of the bounding box */
795 if (view->dual_page) {
796 x = view->spacing + ((page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? 0 : 1) * (max_width + view->spacing);
797 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
798 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
799 x = x + (max_width - width - border->left - border->right);
802 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
805 get_page_y_offset (view, page, view->scale, &y);
811 if (view->dual_page) {
812 gint width_2, height_2;
813 gint max_width = width;
814 gint max_height = height;
815 GtkBorder overall_border;
818 other_page = (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? page + 1: page - 1;
820 /* First, we get the bounding box of the two pages */
821 if (other_page < ev_page_cache_get_n_pages (view->page_cache)
822 && (0 <= other_page)) {
823 ev_page_cache_get_size (view->page_cache,
827 &width_2, &height_2);
830 if (height_2 > height)
831 max_height = height_2;
833 compute_border (view, max_width, max_height, &overall_border);
835 /* Find the offsets */
839 /* Adjust for being the left or right page */
840 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
841 x = x + max_width - width;
843 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
845 y = y + (max_height - height)/2;
847 /* Adjust for extra allocation */
848 x = x + MAX (0, widget->allocation.width -
849 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
850 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
855 /* Adjust for extra allocation */
856 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
857 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
868 view_point_to_doc_point (EvView *view,
869 GdkPoint *view_point,
870 GdkRectangle *page_area,
874 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
875 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
879 view_rect_to_doc_rect (EvView *view,
880 GdkRectangle *view_rect,
881 GdkRectangle *page_area,
882 EvRectangle *doc_rect)
884 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
885 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
886 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
887 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
891 doc_point_to_view_point (EvView *view,
894 GdkPoint *view_point)
896 GdkRectangle page_area;
898 double x, y, view_x, view_y;
901 ev_page_cache_get_size (view->page_cache, page,
906 if (view->rotation == 0) {
909 } else if (view->rotation == 90) {
910 x = width - doc_point->y;
912 } else if (view->rotation == 180) {
913 x = width - doc_point->x;
914 y = height - doc_point->y;
915 } else if (view->rotation == 270) {
917 y = height - doc_point->x;
919 g_assert_not_reached ();
922 get_page_extents (view, page, &page_area, &border);
924 view_x = x * view->scale;
925 view_y = y * view->scale;
926 view_point->x = view_x + page_area.x;
927 view_point->y = view_y + page_area.y;
929 return (view_x > 0 && view_x <= page_area.width &&
930 view_y > 0 && view_y <= page_area.height);
934 doc_rect_to_view_rect (EvView *view,
936 EvRectangle *doc_rect,
937 GdkRectangle *view_rect)
939 GdkRectangle page_area;
944 ev_page_cache_get_size (view->page_cache, page,
949 if (view->rotation == 0) {
952 w = doc_rect->x2 - doc_rect->x1;
953 h = doc_rect->y2 - doc_rect->y1;
954 } else if (view->rotation == 90) {
955 x = width - doc_rect->y2;
957 w = doc_rect->y2 - doc_rect->y1;
958 h = doc_rect->x2 - doc_rect->x1;
959 } else if (view->rotation == 180) {
960 x = width - doc_rect->x2;
961 y = height - doc_rect->y2;
962 w = doc_rect->x2 - doc_rect->x1;
963 h = doc_rect->y2 - doc_rect->y1;
964 } else if (view->rotation == 270) {
966 y = height - doc_rect->x2;
967 w = doc_rect->y2 - doc_rect->y1;
968 h = doc_rect->x2 - doc_rect->x1;
970 g_assert_not_reached ();
973 get_page_extents (view, page, &page_area, &border);
975 view_rect->x = x * view->scale + page_area.x;
976 view_rect->y = y * view->scale + page_area.y;
977 view_rect->width = w * view->scale;
978 view_rect->height = h * view->scale;
982 find_page_at_location (EvView *view,
991 if (view->document == NULL)
998 for (i = view->start_page; i <= view->end_page; i++) {
999 GdkRectangle page_area;
1002 if (! get_page_extents (view, i, &page_area, &border))
1005 if ((x >= page_area.x + border.left) &&
1006 (x < page_area.x + page_area.width - border.right) &&
1007 (y >= page_area.y + border.top) &&
1008 (y < page_area.y + page_area.height - border.bottom)) {
1010 *x_offset = x - (page_area.x + border.left);
1011 *y_offset = y - (page_area.y + border.top);
1020 location_in_text (EvView *view,
1026 gint x_offset = 0, y_offset = 0;
1028 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1033 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
1036 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1042 ev_view_get_width (EvView *view)
1044 return GTK_WIDGET (view)->allocation.width;
1048 ev_view_get_height (EvView *view)
1050 return GTK_WIDGET (view)->allocation.height;
1054 location_in_selected_text (EvView *view,
1059 gint x_offset = 0, y_offset = 0;
1060 EvViewSelection *selection;
1063 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1064 selection = (EvViewSelection *)l->data;
1066 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1068 if (page != selection->page)
1071 if (selection->covered_region &&
1072 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1080 get_doc_point_from_offset (EvView *view,
1090 ev_page_cache_get_size (view->page_cache, page,
1095 x_offset = x_offset / view->scale;
1096 y_offset = y_offset / view->scale;
1098 if (view->rotation == 0) {
1101 } else if (view->rotation == 90) {
1103 y = width - x_offset;
1104 } else if (view->rotation == 180) {
1105 x = width - x_offset;
1106 y = height - y_offset;
1107 } else if (view->rotation == 270) {
1108 x = height - y_offset;
1111 g_assert_not_reached ();
1121 get_doc_point_from_location (EvView *view,
1128 gint x_offset = 0, y_offset = 0;
1130 x += view->scroll_x;
1131 y += view->scroll_y;
1132 find_page_at_location (view, x, y, page, &x_offset, &y_offset);
1136 return get_doc_point_from_offset (view, *page, x_offset, y_offset, x_new, y_new);
1140 ev_view_get_area_from_mapping (EvView *view,
1142 GList *mapping_list,
1148 mapping = ev_mapping_list_find (mapping_list, data);
1149 doc_rect_to_view_rect (view, page, &mapping->area, area);
1150 area->x -= view->scroll_x;
1151 area->y -= view->scroll_y;
1157 ev_view_get_link_at_location (EvView *view,
1162 gint x_new = 0, y_new = 0;
1163 GList *link_mapping;
1165 if (!EV_IS_DOCUMENT_LINKS (view->document))
1168 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1171 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1174 return ev_mapping_list_get_data (link_mapping, x_new, y_new);
1180 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1183 gdouble zoom, left, top;
1184 gboolean change_left, change_top;
1186 left = ev_link_dest_get_left (dest, &change_left);
1187 top = ev_link_dest_get_top (dest, &change_top);
1189 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - left,
1190 ev_link_dest_get_bottom (dest) - top,
1191 ev_view_get_width (view),
1192 ev_view_get_height (view), 0, 0);
1194 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1195 ev_view_set_zoom (view, zoom, FALSE);
1197 doc_point.x = change_left ? left : 0;
1198 doc_point.y = change_top ? top : 0;
1200 view->current_page = ev_link_dest_get_page (dest);
1201 if (change_left || change_top)
1202 view->pending_point = doc_point;
1203 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1205 gtk_widget_queue_resize (GTK_WIDGET (view));
1209 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1212 int doc_width, doc_height, page;
1214 gboolean change_left;
1216 page = ev_link_dest_get_page (dest);
1217 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1219 left = ev_link_dest_get_left (dest, &change_left);
1220 doc_point.x = change_left ? left : 0;
1223 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1224 ev_view_get_width (view),
1225 ev_view_get_height (view), 0);
1227 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1228 ev_view_set_zoom (view, zoom, FALSE);
1230 view->current_page = page;
1232 view->pending_point = doc_point;
1233 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1235 gtk_widget_queue_resize (GTK_WIDGET (view));
1239 goto_fith_dest (EvView *view, EvLinkDest *dest)
1242 int doc_width, doc_height, page;
1244 gboolean change_top;
1246 page = ev_link_dest_get_page (dest);
1247 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1249 top = ev_link_dest_get_top (dest, &change_top);
1252 doc_point.y = change_top ? top : 0;
1254 zoom = zoom_for_size_fit_width (doc_width, top,
1255 ev_view_get_width (view),
1256 ev_view_get_height (view), 0);
1258 ev_view_set_sizing_mode (view, EV_SIZING_FIT_WIDTH);
1259 ev_view_set_zoom (view, zoom, FALSE);
1261 view->current_page = page;
1263 view->pending_point = doc_point;
1264 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1266 gtk_widget_queue_resize (GTK_WIDGET (view));
1270 goto_fit_dest (EvView *view, EvLinkDest *dest)
1273 int doc_width, doc_height;
1276 page = ev_link_dest_get_page (dest);
1277 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1279 zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view),
1280 ev_view_get_height (view), 0, 0);
1282 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
1283 ev_view_set_zoom (view, zoom, FALSE);
1285 view->current_page = page;
1286 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1288 gtk_widget_queue_resize (GTK_WIDGET (view));
1292 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1296 gdouble zoom, left, top;
1297 gboolean change_zoom, change_left, change_top;
1299 zoom = ev_link_dest_get_zoom (dest, &change_zoom);
1300 page = ev_link_dest_get_page (dest);
1302 if (change_zoom && zoom > 1) {
1303 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1304 ev_view_set_zoom (view, zoom, FALSE);
1307 left = ev_link_dest_get_left (dest, &change_left);
1308 top = ev_link_dest_get_top (dest, &change_top);
1310 doc_point.x = change_left ? left : 0;
1311 doc_point.y = change_top ? top : 0;
1313 view->current_page = page;
1314 if (change_left || change_top)
1315 view->pending_point = doc_point;
1316 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1318 gtk_widget_queue_resize (GTK_WIDGET (view));
1322 goto_dest (EvView *view, EvLinkDest *dest)
1324 EvLinkDestType type;
1325 int page, n_pages, current_page;
1327 page = ev_link_dest_get_page (dest);
1328 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1330 if (page < 0 || page >= n_pages)
1333 current_page = view->current_page;
1335 type = ev_link_dest_get_dest_type (dest);
1338 case EV_LINK_DEST_TYPE_PAGE:
1339 ev_page_cache_set_current_page (view->page_cache, page);
1341 case EV_LINK_DEST_TYPE_FIT:
1342 goto_fit_dest (view, dest);
1344 case EV_LINK_DEST_TYPE_FITH:
1345 goto_fith_dest (view, dest);
1347 case EV_LINK_DEST_TYPE_FITV:
1348 goto_fitv_dest (view, dest);
1350 case EV_LINK_DEST_TYPE_FITR:
1351 goto_fitr_dest (view, dest);
1353 case EV_LINK_DEST_TYPE_XYZ:
1354 goto_xyz_dest (view, dest);
1356 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1357 ev_page_cache_set_page_label (view->page_cache, ev_link_dest_get_page_label (dest));
1360 g_assert_not_reached ();
1363 if (current_page != view->current_page)
1364 ev_page_cache_set_current_page (view->page_cache,
1365 view->current_page);
1369 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1371 EvLinkDestType type;
1373 type = ev_link_dest_get_dest_type (dest);
1375 if (type == EV_LINK_DEST_TYPE_NAMED) {
1377 const gchar *named_dest;
1379 named_dest = ev_link_dest_get_named_dest (dest);
1380 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1383 goto_dest (view, dest2);
1384 g_object_unref (dest2);
1390 goto_dest (view, dest);
1394 ev_view_handle_link (EvView *view, EvLink *link)
1396 EvLinkAction *action = NULL;
1397 EvLinkActionType type;
1399 action = ev_link_get_action (link);
1403 type = ev_link_action_get_action_type (action);
1406 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1409 g_signal_emit (view, signals[SIGNAL_HANDLE_LINK], 0, link);
1411 dest = ev_link_action_get_dest (action);
1412 ev_view_goto_dest (view, dest);
1415 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1416 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1417 case EV_LINK_ACTION_TYPE_LAUNCH:
1418 case EV_LINK_ACTION_TYPE_NAMED:
1419 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1425 ev_view_page_label_from_dest (EvView *view, EvLinkDest *dest)
1427 EvLinkDestType type;
1430 type = ev_link_dest_get_dest_type (dest);
1433 case EV_LINK_DEST_TYPE_NAMED: {
1435 const gchar *named_dest;
1437 named_dest = ev_link_dest_get_named_dest (dest);
1438 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1441 msg = ev_page_cache_get_page_label (view->page_cache,
1442 ev_link_dest_get_page (dest2));
1443 g_object_unref (dest2);
1448 case EV_LINK_DEST_TYPE_PAGE_LABEL: {
1449 msg = g_strdup (ev_link_dest_get_page_label (dest));
1453 msg = ev_page_cache_get_page_label (view->page_cache,
1454 ev_link_dest_get_page (dest));
1461 tip_from_action_named (EvLinkAction *action)
1463 const gchar *name = ev_link_action_get_name (action);
1465 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1466 return g_strdup (_("Go to first page"));
1467 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1468 return g_strdup (_("Go to previous page"));
1469 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1470 return g_strdup (_("Go to next page"));
1471 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1472 return g_strdup (_("Go to last page"));
1473 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1474 return g_strdup (_("Go to page"));
1475 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1476 return g_strdup (_("Find"));
1483 tip_from_link (EvView *view, EvLink *link)
1485 EvLinkAction *action;
1486 EvLinkActionType type;
1491 action = ev_link_get_action (link);
1492 title = ev_link_get_title (link);
1495 return title ? g_strdup (title) : NULL;
1497 type = ev_link_action_get_action_type (action);
1500 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1501 page_label = ev_view_page_label_from_dest (view,
1502 ev_link_action_get_dest (action));
1504 msg = g_strdup_printf (_("Go to page %s"), page_label);
1505 g_free (page_label);
1508 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1510 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1511 ev_link_action_get_filename (action));
1513 msg = g_strdup_printf (_("Go to file “%s”"),
1514 ev_link_action_get_filename (action));
1517 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1518 msg = g_strdup (ev_link_action_get_uri (action));
1520 case EV_LINK_ACTION_TYPE_LAUNCH:
1521 msg = g_strdup_printf (_("Launch %s"),
1522 ev_link_action_get_filename (action));
1524 case EV_LINK_ACTION_TYPE_NAMED:
1525 msg = tip_from_action_named (action);
1529 msg = g_strdup (title);
1537 ev_view_handle_cursor_over_xy (EvView *view, gint x, gint y)
1541 EvAnnotation *annot = NULL;
1543 if (view->cursor == EV_VIEW_CURSOR_HIDDEN)
1546 if (view->drag_info.in_drag) {
1547 if (view->cursor != EV_VIEW_CURSOR_DRAG)
1548 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1552 if (view->scroll_info.autoscrolling) {
1553 if (view->cursor != EV_VIEW_CURSOR_AUTOSCROLL)
1554 ev_view_set_cursor (view, EV_VIEW_CURSOR_AUTOSCROLL);
1558 link = ev_view_get_link_at_location (view, x, y);
1560 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1561 } else if ((field = ev_view_get_form_field_at_location (view, x, y))) {
1562 if (field->is_read_only) {
1563 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1564 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1565 view->cursor == EV_VIEW_CURSOR_DRAG)
1566 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1567 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
1568 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1570 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1572 } else if ((annot = ev_view_get_annotation_at_location (view, x, y))) {
1573 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1574 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1575 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1577 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1578 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1579 view->cursor == EV_VIEW_CURSOR_DRAG ||
1580 view->cursor == EV_VIEW_CURSOR_AUTOSCROLL)
1581 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1585 g_object_set (view, "has-tooltip", TRUE, NULL);
1590 ev_view_get_image_at_location (EvView *view,
1595 gint x_new = 0, y_new = 0;
1596 GList *image_mapping;
1598 if (!EV_IS_DOCUMENT_IMAGES (view->document))
1601 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1604 image_mapping = ev_pixbuf_cache_get_image_mapping (view->pixbuf_cache, page);
1607 return ev_mapping_list_get_data (image_mapping, x_new, y_new);
1613 static EvFormField *
1614 ev_view_get_form_field_at_location (EvView *view,
1619 gint x_new = 0, y_new = 0;
1620 GList *forms_mapping;
1622 if (!EV_IS_DOCUMENT_FORMS (view->document))
1625 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1628 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, page);
1631 return ev_mapping_list_get_data (forms_mapping, x_new, y_new);
1637 ev_view_form_field_get_region (EvView *view,
1640 GdkRectangle view_area;
1641 GList *forms_mapping;
1643 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
1644 field->page->index);
1645 ev_view_get_area_from_mapping (view, field->page->index,
1649 return gdk_region_rectangle (&view_area);
1653 ev_view_forms_remove_widgets (EvView *view)
1655 ev_view_remove_all (view);
1661 ev_view_form_field_destroy (GtkWidget *widget,
1664 g_idle_add ((GSourceFunc)ev_view_forms_remove_widgets, view);
1668 ev_view_form_field_button_create_widget (EvView *view,
1671 EvFormFieldButton *field_button = EV_FORM_FIELD_BUTTON (field);
1672 GdkRegion *field_region = NULL;
1674 switch (field_button->type) {
1675 case EV_FORM_FIELD_BUTTON_PUSH:
1677 case EV_FORM_FIELD_BUTTON_CHECK:
1678 case EV_FORM_FIELD_BUTTON_RADIO: {
1680 GList *forms_mapping, *l;
1682 state = ev_document_forms_form_field_button_get_state (EV_DOCUMENT_FORMS (view->document),
1685 /* FIXME: it actually depends on NoToggleToOff flags */
1686 if (field_button->type == EV_FORM_FIELD_BUTTON_RADIO &&
1687 state && field_button->state)
1690 field_region = ev_view_form_field_get_region (view, field);
1692 /* For radio buttons and checkbox buttons that are in a set
1693 * we need to update also the region for the current selected item
1695 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
1696 field->page->index);
1697 for (l = forms_mapping; l; l = g_list_next (l)) {
1698 EvFormField *button = ((EvMapping *)(l->data))->data;
1699 GdkRegion *button_region;
1701 if (button->id == field->id)
1704 /* FIXME: only buttons in the same group should be updated */
1705 if (!EV_IS_FORM_FIELD_BUTTON (button) ||
1706 EV_FORM_FIELD_BUTTON (button)->type != field_button->type ||
1707 EV_FORM_FIELD_BUTTON (button)->state != TRUE)
1710 button_region = ev_view_form_field_get_region (view, button);
1711 gdk_region_union (field_region, button_region);
1712 gdk_region_destroy (button_region);
1715 ev_document_forms_form_field_button_set_state (EV_DOCUMENT_FORMS (view->document),
1717 field_button->state = !state;
1722 ev_view_reload_page (view, field->page->index, field_region);
1723 gdk_region_destroy (field_region);
1729 ev_view_form_field_text_save (EvView *view,
1734 if (!view->document)
1737 field = g_object_get_data (G_OBJECT (widget), "form-field");
1739 if (field->changed) {
1740 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1741 GdkRegion *field_region;
1743 field_region = ev_view_form_field_get_region (view, field);
1745 ev_document_forms_form_field_text_set_text (EV_DOCUMENT_FORMS (view->document),
1746 field, field_text->text);
1747 field->changed = FALSE;
1748 ev_view_reload_page (view, field->page->index, field_region);
1749 gdk_region_destroy (field_region);
1754 ev_view_form_field_text_changed (GtkWidget *widget,
1757 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1760 if (GTK_IS_ENTRY (widget)) {
1761 text = g_strdup (gtk_entry_get_text (GTK_ENTRY (widget)));
1762 } else if (GTK_IS_TEXT_BUFFER (widget)) {
1763 GtkTextIter start, end;
1765 gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (widget), &start, &end);
1766 text = gtk_text_buffer_get_text (GTK_TEXT_BUFFER (widget),
1767 &start, &end, FALSE);
1770 if (!field_text->text ||
1771 (field_text->text && g_ascii_strcasecmp (field_text->text, text) != 0)) {
1772 g_free (field_text->text);
1773 field_text->text = text;
1774 field->changed = TRUE;
1779 ev_view_form_field_text_create_widget (EvView *view,
1782 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1783 GtkWidget *text = NULL;
1786 txt = ev_document_forms_form_field_text_get_text (EV_DOCUMENT_FORMS (view->document),
1789 switch (field_text->type) {
1790 case EV_FORM_FIELD_TEXT_FILE_SELECT:
1792 case EV_FORM_FIELD_TEXT_NORMAL:
1793 text = gtk_entry_new ();
1794 gtk_entry_set_has_frame (GTK_ENTRY (text), FALSE);
1795 gtk_entry_set_max_length (GTK_ENTRY (text), field_text->max_len);
1796 gtk_entry_set_visibility (GTK_ENTRY (text), !field_text->is_password);
1799 gtk_entry_set_text (GTK_ENTRY (text), txt);
1803 g_signal_connect (text, "changed",
1804 G_CALLBACK (ev_view_form_field_text_changed),
1806 g_signal_connect_after (text, "activate",
1807 G_CALLBACK (ev_view_form_field_destroy),
1810 case EV_FORM_FIELD_TEXT_MULTILINE: {
1811 GtkTextBuffer *buffer;
1813 text = gtk_text_view_new ();
1814 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text));
1817 gtk_text_buffer_set_text (buffer, txt, -1);
1821 g_signal_connect (buffer, "changed",
1822 G_CALLBACK (ev_view_form_field_text_changed),
1828 g_object_weak_ref (G_OBJECT (text),
1829 (GWeakNotify)ev_view_form_field_text_save,
1836 ev_view_form_field_choice_save (EvView *view,
1841 if (!view->document)
1844 field = g_object_get_data (G_OBJECT (widget), "form-field");
1846 if (field->changed) {
1848 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
1849 GdkRegion *field_region;
1851 field_region = ev_view_form_field_get_region (view, field);
1853 if (field_choice->is_editable) {
1854 ev_document_forms_form_field_choice_set_text (EV_DOCUMENT_FORMS (view->document),
1855 field, field_choice->text);
1857 ev_document_forms_form_field_choice_unselect_all (EV_DOCUMENT_FORMS (view->document), field);
1858 for (l = field_choice->selected_items; l; l = g_list_next (l)) {
1859 ev_document_forms_form_field_choice_select_item (EV_DOCUMENT_FORMS (view->document),
1861 GPOINTER_TO_INT (l->data));
1864 field->changed = FALSE;
1865 ev_view_reload_page (view, field->page->index, field_region);
1866 gdk_region_destroy (field_region);
1871 ev_view_form_field_choice_changed (GtkWidget *widget,
1874 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
1876 if (GTK_IS_COMBO_BOX (widget)) {
1879 item = gtk_combo_box_get_active (GTK_COMBO_BOX (widget));
1880 if (!field_choice->selected_items ||
1881 GPOINTER_TO_INT (field_choice->selected_items->data) != item) {
1882 g_list_free (field_choice->selected_items);
1883 field_choice->selected_items = NULL;
1884 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1885 GINT_TO_POINTER (item));
1886 field->changed = TRUE;
1889 if (GTK_IS_COMBO_BOX_ENTRY (widget)) {
1892 text = gtk_combo_box_get_active_text (GTK_COMBO_BOX (widget));
1893 if (!field_choice->text ||
1894 (field_choice->text && g_ascii_strcasecmp (field_choice->text, text) != 0)) {
1895 g_free (field_choice->text);
1896 field_choice->text = text;
1897 field->changed = TRUE;
1900 } else if (GTK_IS_TREE_SELECTION (widget)) {
1901 GtkTreeSelection *selection = GTK_TREE_SELECTION (widget);
1902 GtkTreeModel *model;
1905 items = gtk_tree_selection_get_selected_rows (selection, &model);
1906 g_list_free (field_choice->selected_items);
1907 field_choice->selected_items = NULL;
1909 for (l = items; l && l->data; l = g_list_next (l)) {
1911 GtkTreePath *path = (GtkTreePath *)l->data;
1914 gtk_tree_model_get_iter (model, &iter, path);
1915 gtk_tree_model_get (model, &iter, 1, &item, -1);
1917 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1918 GINT_TO_POINTER (item));
1920 gtk_tree_path_free (path);
1923 g_list_free (items);
1925 field->changed = TRUE;
1930 ev_view_form_field_choice_create_widget (EvView *view,
1933 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
1935 GtkTreeModel *model;
1937 gint selected_item = 0;
1939 n_items = ev_document_forms_form_field_choice_get_n_items (EV_DOCUMENT_FORMS (view->document),
1941 model = GTK_TREE_MODEL (gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT));
1942 for (i = 0; i < n_items; i++) {
1946 item = ev_document_forms_form_field_choice_get_item (EV_DOCUMENT_FORMS (view->document),
1948 if (ev_document_forms_form_field_choice_is_item_selected (
1949 EV_DOCUMENT_FORMS (view->document), field, i)) {
1951 /* FIXME: we need a get_selected_items function in poppler */
1952 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1953 GINT_TO_POINTER (i));
1957 gtk_list_store_append (GTK_LIST_STORE (model), &iter);
1958 gtk_list_store_set (GTK_LIST_STORE (model), &iter,
1966 if (field_choice->type == EV_FORM_FIELD_CHOICE_LIST) {
1967 GtkCellRenderer *renderer;
1968 GtkWidget *tree_view;
1969 GtkTreeSelection *selection;
1971 tree_view = gtk_tree_view_new_with_model (model);
1972 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);
1974 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
1975 if (field_choice->multi_select) {
1976 gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
1979 /* TODO: set selected items */
1981 renderer = gtk_cell_renderer_text_new ();
1982 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
1988 choice = gtk_scrolled_window_new (NULL, NULL);
1989 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (choice),
1990 GTK_POLICY_AUTOMATIC,
1991 GTK_POLICY_AUTOMATIC);
1992 gtk_container_add (GTK_CONTAINER (choice), tree_view);
1993 gtk_widget_show (tree_view);
1995 g_signal_connect (selection, "changed",
1996 G_CALLBACK (ev_view_form_field_choice_changed),
1998 g_signal_connect_after (selection, "changed",
1999 G_CALLBACK (ev_view_form_field_destroy),
2001 } else if (field_choice->is_editable) { /* ComboBoxEntry */
2004 choice = gtk_combo_box_entry_new_with_model (model, 0);
2005 text = ev_document_forms_form_field_choice_get_text (EV_DOCUMENT_FORMS (view->document), field);
2007 gtk_entry_set_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (choice))), text);
2011 g_signal_connect (choice, "changed",
2012 G_CALLBACK (ev_view_form_field_choice_changed),
2014 g_signal_connect_after (GTK_BIN(choice)->child, "activate",
2015 G_CALLBACK (ev_view_form_field_destroy),
2017 } else { /* ComboBoxText */
2018 GtkCellRenderer *renderer;
2020 choice = gtk_combo_box_new_with_model (model);
2021 renderer = gtk_cell_renderer_text_new ();
2022 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (choice),
2024 gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (choice),
2028 gtk_combo_box_set_active (GTK_COMBO_BOX (choice), selected_item);
2029 gtk_combo_box_popup (GTK_COMBO_BOX (choice));
2031 g_signal_connect (choice, "changed",
2032 G_CALLBACK (ev_view_form_field_choice_changed),
2034 g_signal_connect_after (choice, "changed",
2035 G_CALLBACK (ev_view_form_field_destroy),
2039 g_object_unref (model);
2041 g_object_weak_ref (G_OBJECT (choice),
2042 (GWeakNotify)ev_view_form_field_choice_save,
2049 ev_view_handle_form_field (EvView *view,
2054 GtkWidget *field_widget = NULL;
2055 GList *form_field_mapping;
2056 GdkRectangle view_area;
2058 if (field->is_read_only)
2061 if (EV_IS_FORM_FIELD_BUTTON (field)) {
2062 field_widget = ev_view_form_field_button_create_widget (view, field);
2063 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
2064 field_widget = ev_view_form_field_text_create_widget (view, field);
2065 } else if (EV_IS_FORM_FIELD_CHOICE (field)) {
2066 field_widget = ev_view_form_field_choice_create_widget (view, field);
2067 } else if (EV_IS_FORM_FIELD_SIGNATURE (field)) {
2071 /* Form field doesn't require a widget */
2075 g_object_set_data_full (G_OBJECT (field_widget), "form-field",
2076 g_object_ref (field),
2077 (GDestroyNotify)g_object_unref);
2079 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, field->page->index);
2080 ev_view_get_area_from_mapping (view, field->page->index,
2084 gtk_layout_put (GTK_LAYOUT (view), field_widget, view_area.x, view_area.y);
2085 gtk_widget_show (field_widget);
2086 gtk_widget_grab_focus (field_widget);
2090 static EvViewWindowChild *
2091 ev_view_get_window_child (EvView *view,
2094 GList *children = view->window_children;
2097 EvViewWindowChild *child;
2099 child = (EvViewWindowChild *)children->data;
2100 children = children->next;
2102 if (child->window == window)
2110 ev_view_window_child_move (EvView *view,
2111 EvViewWindowChild *child,
2117 gtk_window_move (GTK_WINDOW (child->window),
2118 MAX (child->parent_x, x),
2119 MAX (child->parent_y, y));
2123 ev_view_window_child_move_with_parent (EvView *view,
2126 EvViewWindowChild *child;
2127 gint root_x, root_y;
2129 child = ev_view_get_window_child (view, window);
2130 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2132 if (root_x != child->parent_x || root_y != child->parent_y) {
2133 gint dest_x, dest_y;
2135 dest_x = child->x + (root_x - child->parent_x);
2136 dest_y = child->y + (root_y - child->parent_y);
2137 child->parent_x = root_x;
2138 child->parent_y = root_y;
2139 ev_view_window_child_move (view, child, dest_x, dest_y);
2142 if (child->visible && !GTK_WIDGET_VISIBLE (window))
2143 gtk_widget_show (window);
2147 ev_view_window_child_put (EvView *view,
2155 EvViewWindowChild *child;
2156 gint root_x, root_y;
2158 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2161 child = g_new0 (EvViewWindowChild, 1);
2162 child->window = window;
2164 child->orig_x = orig_x;
2165 child->orig_y = orig_y;
2166 child->parent_x = root_x;
2167 child->parent_y = root_y;
2168 child->visible = ev_annotation_window_is_open (EV_ANNOTATION_WINDOW (window));
2169 ev_view_window_child_move (view, child, x + root_x, y + root_y);
2172 gtk_widget_show (window);
2174 gtk_widget_hide (window);
2176 view->window_children = g_list_append (view->window_children, child);
2179 static EvViewWindowChild *
2180 ev_view_find_window_child_for_annot (EvView *view,
2182 EvAnnotation *annot)
2184 GList *children = view->window_children;
2187 EvViewWindowChild *child;
2188 EvAnnotation *wannot;
2190 child = (EvViewWindowChild *)children->data;
2191 children = children->next;
2193 if (child->page != page)
2196 wannot = ev_annotation_window_get_annotation (EV_ANNOTATION_WINDOW (child->window));
2197 if (wannot == annot || strcmp (wannot->name, annot->name) == 0)
2205 ev_view_window_children_free (EvView *view)
2209 if (!view->window_children)
2212 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
2213 EvViewWindowChild *child;
2215 child = (EvViewWindowChild *)l->data;
2216 gtk_widget_destroy (GTK_WIDGET (child->window));
2219 g_list_free (view->window_children);
2220 view->window_children = NULL;
2221 view->window_child_focus = NULL;
2225 annotation_window_grab_focus (GtkWidget *widget,
2228 if (view->window_child_focus)
2229 ev_annotation_window_ungrab_focus (EV_ANNOTATION_WINDOW (view->window_child_focus->window));
2230 view->window_child_focus = ev_view_get_window_child (view, widget);
2234 annotation_window_closed (EvAnnotationWindow *window,
2237 EvViewWindowChild *child;
2239 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2240 child->visible = FALSE;
2244 annotation_window_moved (EvAnnotationWindow *window,
2249 EvViewWindowChild *child;
2250 GdkRectangle page_area;
2252 GdkRectangle view_rect;
2253 EvRectangle doc_rect;
2256 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2257 if (child->x == x && child->y == y)
2260 child->moved = TRUE;
2264 /* Window has been moved by the user,
2265 * we have to set a new origin in doc coords
2267 gtk_window_get_size (GTK_WINDOW (window), &width, &height);
2268 view_rect.x = (x - child->parent_x) + view->scroll_x;
2269 view_rect.y = (y - child->parent_y) + view->scroll_y;
2270 view_rect.width = width;
2271 view_rect.height = height;
2273 get_page_extents (view, child->page, &page_area, &border);
2274 view_rect_to_doc_rect (view, &view_rect, &page_area, &doc_rect);
2275 child->orig_x = doc_rect.x1;
2276 child->orig_y = doc_rect.y1;
2280 ev_view_annotation_save (EvView *view,
2281 EvAnnotation *annot)
2283 if (!view->document)
2286 if (!annot->changed)
2289 ev_document_annotations_annotation_set_contents (EV_DOCUMENT_ANNOTATIONS (view->document),
2290 annot, annot->contents);
2291 annot->changed = FALSE;
2295 show_annotation_windows (EvView *view,
2301 parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
2303 annots = ev_pixbuf_cache_get_annots_mapping (view->pixbuf_cache, page);
2305 for (l = annots; l && l->data; l = g_list_next (l)) {
2306 EvAnnotation *annot;
2307 EvViewWindowChild *child;
2309 EvRectangle *doc_rect;
2310 GdkRectangle view_rect;
2312 annot = ((EvMapping *)(l->data))->data;
2314 if (!EV_IS_ANNOTATION_MARKUP (annot))
2317 if (!ev_annotation_markup_has_popup (EV_ANNOTATION_MARKUP (annot)))
2320 window = g_object_get_data (G_OBJECT (annot), "popup");
2322 ev_view_window_child_move_with_parent (view, window);
2326 /* Look if we already have a popup for this annot */
2327 child = ev_view_find_window_child_for_annot (view, page, annot);
2328 window = child ? child->window : NULL;
2330 ev_annotation_window_set_annotation (EV_ANNOTATION_WINDOW (window), annot);
2331 g_object_set_data (G_OBJECT (annot), "popup", window);
2332 ev_view_window_child_move_with_parent (view, window);
2334 window = ev_annotation_window_new (annot, parent);
2335 g_signal_connect (window, "grab_focus",
2336 G_CALLBACK (annotation_window_grab_focus),
2338 g_signal_connect (window, "closed",
2339 G_CALLBACK (annotation_window_closed),
2341 g_signal_connect (window, "moved",
2342 G_CALLBACK (annotation_window_moved),
2344 g_object_set_data (G_OBJECT (annot), "popup", window);
2346 doc_rect = (EvRectangle *)ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (window));
2347 doc_rect_to_view_rect (view, page, doc_rect, &view_rect);
2348 view_rect.x -= view->scroll_x;
2349 view_rect.y -= view->scroll_y;
2351 ev_view_window_child_put (view, window, page,
2352 view_rect.x, view_rect.y,
2353 doc_rect->x1, doc_rect->y1);
2355 g_object_weak_ref (G_OBJECT (annot),
2356 (GWeakNotify)ev_view_annotation_save,
2363 hide_annotation_windows (EvView *view,
2368 annots = ev_pixbuf_cache_get_annots_mapping (view->pixbuf_cache, page);
2370 for (l = annots; l && l->data; l = g_list_next (l)) {
2371 EvAnnotation *annot;
2374 annot = ((EvMapping *)(l->data))->data;
2376 if (!EV_IS_ANNOTATION_MARKUP (annot))
2379 window = g_object_get_data (G_OBJECT (annot), "popup");
2381 gtk_widget_hide (window);
2385 static EvAnnotation *
2386 ev_view_get_annotation_at_location (EvView *view,
2391 gint x_new = 0, y_new = 0;
2392 GList *annotations_mapping;
2394 if (!EV_IS_DOCUMENT_ANNOTATIONS (view->document))
2397 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
2400 annotations_mapping = ev_pixbuf_cache_get_annots_mapping (view->pixbuf_cache, page);
2402 if (annotations_mapping)
2403 return ev_mapping_list_get_data (annotations_mapping, x_new, y_new);
2409 ev_view_handle_annotation (EvView *view,
2410 EvAnnotation *annot,
2414 if (EV_IS_ANNOTATION_MARKUP (annot)) {
2417 window = g_object_get_data (G_OBJECT (annot), "popup");
2419 EvViewWindowChild *child;
2421 child = ev_view_get_window_child (view, window);
2422 if (!child->visible) {
2423 child->visible = TRUE;
2424 ev_view_window_child_move (view, child, child->x, child->y);
2425 gtk_widget_show (window);
2431 /*** GtkWidget implementation ***/
2434 ev_view_size_request_continuous_dual_page (EvView *view,
2435 GtkRequisition *requisition)
2441 ev_page_cache_get_max_width (view->page_cache, view->rotation,
2442 view->scale, &max_width);
2443 compute_border (view, max_width, max_width, &border);
2445 n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1;
2447 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
2448 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
2450 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2451 requisition->width = 1;
2452 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2453 requisition->width = 1;
2454 /* FIXME: This could actually be set on one page docs or docs
2455 * with a strange aspect ratio. */
2456 /* requisition->height = 1;*/
2461 ev_view_size_request_continuous (EvView *view,
2462 GtkRequisition *requisition)
2469 ev_page_cache_get_max_width (view->page_cache, view->rotation,
2470 view->scale, &max_width);
2471 n_pages = ev_page_cache_get_n_pages (view->page_cache);
2472 compute_border (view, max_width, max_width, &border);
2474 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
2475 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
2477 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2478 requisition->width = 1;
2479 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2480 requisition->width = 1;
2481 /* FIXME: This could actually be set on one page docs or docs
2482 * with a strange aspect ratio. */
2483 /* requisition->height = 1;*/
2488 ev_view_size_request_dual_page (EvView *view,
2489 GtkRequisition *requisition)
2494 /* Find the largest of the two. */
2495 ev_page_cache_get_size (view->page_cache,
2500 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) {
2501 gint width_2, height_2;
2502 ev_page_cache_get_size (view->page_cache,
2503 view->current_page + 1,
2506 &width_2, &height_2);
2507 if (width_2 > width) {
2512 compute_border (view, width, height, &border);
2514 requisition->width = ((width + border.left + border.right) * 2) +
2515 (view->spacing * 3);
2516 requisition->height = (height + border.top + border.bottom) +
2517 (view->spacing * 2);
2519 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2520 requisition->width = 1;
2521 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2522 requisition->width = 1;
2523 requisition->height = 1;
2528 ev_view_size_request_single_page (EvView *view,
2529 GtkRequisition *requisition)
2534 ev_page_cache_get_size (view->page_cache,
2539 compute_border (view, width, height, &border);
2541 requisition->width = width + border.left + border.right + (2 * view->spacing);
2542 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2544 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2545 requisition->width = 1;
2546 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2547 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2548 requisition->width = 1;
2549 requisition->height = 1;
2554 ev_view_size_request (GtkWidget *widget,
2555 GtkRequisition *requisition)
2557 EvView *view = EV_VIEW (widget);
2559 if (view->document == NULL) {
2560 requisition->width = 1;
2561 requisition->height = 1;
2565 if (view->presentation) {
2566 requisition->width = 1;
2567 requisition->height = 1;
2571 if (view->continuous && view->dual_page)
2572 ev_view_size_request_continuous_dual_page (view, requisition);
2573 else if (view->continuous)
2574 ev_view_size_request_continuous (view, requisition);
2575 else if (view->dual_page)
2576 ev_view_size_request_dual_page (view, requisition);
2578 ev_view_size_request_single_page (view, requisition);
2582 ev_view_size_allocate (GtkWidget *widget,
2583 GtkAllocation *allocation)
2585 EvView *view = EV_VIEW (widget);
2586 GList *children, *l;
2587 gint root_x, root_y;
2589 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
2591 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2592 view->sizing_mode == EV_SIZING_BEST_FIT) {
2593 g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0);
2594 ev_view_size_request (widget, &widget->requisition);
2597 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
2598 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
2601 view_update_range_and_current_page (view);
2603 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2604 view->pending_resize = FALSE;
2606 children = gtk_container_get_children (GTK_CONTAINER (widget));
2607 for (l = children; l && l->data; l = g_list_next (l)) {
2609 GdkRectangle view_area;
2610 GList *form_field_mapping;
2611 GtkAllocation child_allocation;
2612 GtkRequisition child_requisition;
2613 GtkWidget *child = (GtkWidget *)l->data;
2615 field = g_object_get_data (G_OBJECT (child), "form-field");
2619 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
2620 field->page->index);
2621 ev_view_get_area_from_mapping (view, field->page->index,
2625 gtk_widget_size_request (child, &child_requisition);
2626 if (child_requisition.width != view_area.width ||
2627 child_requisition.height != view_area.height)
2628 gtk_widget_set_size_request (child, view_area.width, view_area.height);
2630 gtk_container_child_get (GTK_CONTAINER (widget),
2632 "x", &child_allocation.x,
2633 "y", &child_allocation.y,
2635 if (child_allocation.x != view_area.x ||
2636 child_allocation.y != view_area.y) {
2637 gtk_layout_move (GTK_LAYOUT (widget), child, view_area.x, view_area.y);
2640 g_list_free (children);
2642 if (view->window_children)
2643 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2646 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
2647 EvViewWindowChild *child;
2648 EvRectangle doc_rect;
2649 GdkRectangle view_rect;
2651 child = (EvViewWindowChild *)l->data;
2653 doc_rect = *ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (child->window));
2655 doc_rect.x1 = child->orig_x;
2656 doc_rect.y1 = child->orig_y;
2658 doc_rect_to_view_rect (view, child->page, &doc_rect, &view_rect);
2659 view_rect.x -= view->scroll_x;
2660 view_rect.y -= view->scroll_y;
2662 if (view_rect.x != child->orig_x || view_rect.y != child->orig_y) {
2663 child->parent_x = root_x;
2664 child->parent_y = root_y;
2665 ev_view_window_child_move (view, child, view_rect.x + root_x, view_rect.y + root_y);
2671 ev_view_realize (GtkWidget *widget)
2673 EvView *view = EV_VIEW (widget);
2675 if (GTK_WIDGET_CLASS (ev_view_parent_class)->realize)
2676 (* GTK_WIDGET_CLASS (ev_view_parent_class)->realize) (widget);
2678 gdk_window_set_events (view->layout.bin_window,
2679 (gdk_window_get_events (view->layout.bin_window) |
2681 GDK_BUTTON_PRESS_MASK |
2682 GDK_BUTTON_RELEASE_MASK |
2684 GDK_KEY_PRESS_MASK |
2685 GDK_POINTER_MOTION_MASK |
2686 GDK_POINTER_MOTION_HINT_MASK |
2687 GDK_ENTER_NOTIFY_MASK |
2688 GDK_LEAVE_NOTIFY_MASK));
2690 if (view->presentation)
2691 gdk_window_set_background (view->layout.bin_window, &widget->style->black);
2693 gdk_window_set_background (view->layout.bin_window, &widget->style->mid [GTK_STATE_NORMAL]);
2697 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
2699 EvView *view = EV_VIEW (widget);
2702 state = event->state & gtk_accelerator_get_default_mod_mask ();
2704 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
2705 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
2707 if (event->direction == GDK_SCROLL_UP ||
2708 event->direction == GDK_SCROLL_LEFT) {
2709 if (ev_view_can_zoom_in (view)) {
2710 ev_view_zoom_in (view);
2713 if (ev_view_can_zoom_out (view)) {
2714 ev_view_zoom_out (view);
2721 view->jump_to_find_result = FALSE;
2723 /* Shift+Wheel scrolls the in the perpendicular direction */
2724 if (state & GDK_SHIFT_MASK) {
2725 if (event->direction == GDK_SCROLL_UP)
2726 event->direction = GDK_SCROLL_LEFT;
2727 else if (event->direction == GDK_SCROLL_LEFT)
2728 event->direction = GDK_SCROLL_UP;
2729 else if (event->direction == GDK_SCROLL_DOWN)
2730 event->direction = GDK_SCROLL_RIGHT;
2731 else if (event->direction == GDK_SCROLL_RIGHT)
2732 event->direction = GDK_SCROLL_DOWN;
2734 event->state &= ~GDK_SHIFT_MASK;
2735 state &= ~GDK_SHIFT_MASK;
2739 (view->presentation ||
2740 (view->sizing_mode == EV_SIZING_BEST_FIT && !view->continuous))) {
2741 switch (event->direction) {
2742 case GDK_SCROLL_DOWN:
2743 case GDK_SCROLL_RIGHT:
2744 ev_view_next_page (view);
2747 case GDK_SCROLL_LEFT:
2748 ev_view_previous_page (view);
2758 static EvViewSelection *
2759 find_selection_for_page (EvView *view,
2764 for (list = view->selection_info.selections; list != NULL; list = list->next) {
2765 EvViewSelection *selection;
2767 selection = (EvViewSelection *) list->data;
2769 if (selection->page == page)
2777 draw_end_presentation_page (EvView *view,
2778 GdkRectangle *page_area)
2780 PangoLayout *layout;
2781 PangoFontDescription *font_desc;
2783 const gchar *text = _("End of presentation. Press Escape to exit.");
2785 if (view->presentation_state != EV_PRESENTATION_END)
2788 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), NULL);
2789 markup = g_strdup_printf ("<span foreground=\"white\">%s</span>", text);
2790 pango_layout_set_markup (layout, markup, -1);
2793 font_desc = pango_font_description_new ();
2794 pango_font_description_set_size (font_desc, 16 * PANGO_SCALE);
2795 pango_layout_set_font_description (layout, font_desc);
2797 gtk_paint_layout (GTK_WIDGET (view)->style,
2798 view->layout.bin_window,
2799 GTK_WIDGET_STATE (view),
2808 pango_font_description_free (font_desc);
2809 g_object_unref (layout);
2813 ev_view_expose_event (GtkWidget *widget,
2814 GdkEventExpose *event)
2816 EvView *view = EV_VIEW (widget);
2820 if (view->animation) {
2821 if (ev_transition_animation_ready (view->animation)) {
2822 GdkRectangle page_area;
2825 if (get_page_extents (view, view->current_page, &page_area, &border)) {
2826 cr = gdk_cairo_create (view->layout.bin_window);
2828 /* normalize to x=0, y=0 */
2829 cairo_translate (cr, page_area.x, page_area.y);
2830 page_area.x = page_area.y = 0;
2832 ev_transition_animation_paint (view->animation, cr, page_area);
2840 if (view->presentation) {
2841 switch (view->presentation_state) {
2842 case EV_PRESENTATION_END: {
2843 GdkRectangle area = {0};
2845 area.width = widget->allocation.width;
2846 area.height = widget->allocation.height;
2848 draw_end_presentation_page (view, &area);
2851 case EV_PRESENTATION_BLACK:
2852 case EV_PRESENTATION_WHITE:
2854 case EV_PRESENTATION_NORMAL:
2858 } else if (view->loading) {
2859 GdkRectangle area = {0};
2861 area.width = widget->allocation.width;
2862 area.height = widget->allocation.height;
2864 draw_loading_text (view,
2869 if (view->document == NULL)
2872 cr = gdk_cairo_create (view->layout.bin_window);
2874 for (i = view->start_page; i <= view->end_page; i++) {
2875 GdkRectangle page_area;
2877 gboolean page_ready = TRUE;
2879 if (!get_page_extents (view, i, &page_area, &border))
2882 page_area.x -= view->scroll_x;
2883 page_area.y -= view->scroll_y;
2885 draw_one_page (view, i, cr, &page_area, &border, &(event->area), &page_ready);
2887 if (page_ready && view->find_pages && view->highlight_find_results)
2888 highlight_find_results (view, i);
2889 if (page_ready && EV_IS_DOCUMENT_ANNOTATIONS (view->document))
2890 show_annotation_windows (view, i);
2895 if (GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event)
2896 (* GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) (widget, event);
2902 ev_view_do_popup_menu (EvView *view,
2909 image = ev_view_get_image_at_location (view, x, y);
2911 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, image);
2915 link = ev_view_get_link_at_location (view, x, y);
2917 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
2921 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, NULL);
2927 ev_view_popup_menu (GtkWidget *widget)
2931 gtk_widget_get_pointer (widget, &x, &y);
2932 return ev_view_do_popup_menu (EV_VIEW (widget), x, y);
2936 get_link_area (EvView *view,
2942 GList *link_mapping;
2944 gint x_offset = 0, y_offset = 0;
2946 x += view->scroll_x;
2947 y += view->scroll_y;
2949 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
2951 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
2952 ev_view_get_area_from_mapping (view, page,
2958 get_annot_area (EvView *view,
2961 EvAnnotation *annot,
2964 GList *annots_mapping;
2966 gint x_offset = 0, y_offset = 0;
2968 x += view->scroll_x;
2969 y += view->scroll_y;
2971 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
2973 annots_mapping = ev_pixbuf_cache_get_annots_mapping (view->pixbuf_cache, page);
2974 ev_view_get_area_from_mapping (view, page,
2980 ev_view_query_tooltip (GtkWidget *widget,
2983 gboolean keyboard_tip,
2984 GtkTooltip *tooltip)
2986 EvView *view = EV_VIEW (widget);
2988 EvAnnotation *annot;
2991 annot = ev_view_get_annotation_at_location (view, x, y);
2992 if (annot && annot->contents) {
2993 GdkRectangle annot_area;
2995 get_annot_area (view, x, y, annot, &annot_area);
2996 gtk_tooltip_set_text (tooltip, annot->contents);
2997 gtk_tooltip_set_tip_area (tooltip, &annot_area);
3002 link = ev_view_get_link_at_location (view, x, y);
3006 text = tip_from_link (view, link);
3007 if (text && g_utf8_validate (text, -1, NULL)) {
3008 GdkRectangle link_area;
3010 get_link_area (view, x, y, link, &link_area);
3011 gtk_tooltip_set_text (tooltip, text);
3012 gtk_tooltip_set_tip_area (tooltip, &link_area);
3020 start_selection_for_event (EvView *view,
3021 GdkEventButton *event)
3023 clear_selection (view);
3025 view->selection_info.start.x = event->x + view->scroll_x;
3026 view->selection_info.start.y = event->y + view->scroll_y;
3028 switch (event->type) {
3029 case GDK_2BUTTON_PRESS:
3030 view->selection_info.style = EV_SELECTION_STYLE_WORD;
3032 case GDK_3BUTTON_PRESS:
3033 view->selection_info.style = EV_SELECTION_STYLE_LINE;
3036 view->selection_info.style = EV_SELECTION_STYLE_GLYPH;
3040 /* In case of WORD or LINE, compute selections now */
3041 compute_selections (view,
3042 view->selection_info.style,
3043 &(view->selection_info.start),
3044 &(view->selection_info.start));
3048 ev_view_button_press_event (GtkWidget *widget,
3049 GdkEventButton *event)
3051 EvView *view = EV_VIEW (widget);
3053 if (!view->document)
3056 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
3057 gtk_widget_grab_focus (widget);
3060 if (view->window_child_focus) {
3061 EvAnnotationWindow *window;
3062 EvAnnotation *annot;
3064 window = EV_ANNOTATION_WINDOW (view->window_child_focus->window);
3065 annot = ev_annotation_window_get_annotation (window);
3066 ev_annotation_window_ungrab_focus (window);
3067 ev_view_annotation_save (view, annot);
3068 view->window_child_focus = NULL;
3071 view->pressed_button = event->button;
3072 view->selection_info.in_drag = FALSE;
3074 if (view->scroll_info.autoscrolling)
3077 switch (event->button) {
3080 EvAnnotation *annot;
3083 if (EV_IS_SELECTION (view->document) && view->selection_info.selections) {
3084 if (event->type == GDK_3BUTTON_PRESS) {
3085 start_selection_for_event (view, event);
3086 } else if (location_in_selected_text (view,
3087 event->x + view->scroll_x,
3088 event->y + view->scroll_y)) {
3089 view->selection_info.in_drag = TRUE;
3091 start_selection_for_event (view, event);
3094 gtk_widget_queue_draw (widget);
3095 } else if ((annot = ev_view_get_annotation_at_location (view, event->x, event->y))) {
3096 ev_view_handle_annotation (view, annot, event->x, event->y);
3097 } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) {
3098 ev_view_remove_all (view);
3099 ev_view_handle_form_field (view, field, event->x, event->y);
3100 } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) &&
3101 (image = ev_view_get_image_at_location (view, event->x, event->y))) {
3102 if (view->image_dnd_info.image)
3103 g_object_unref (view->image_dnd_info.image);
3104 view->image_dnd_info.image = g_object_ref (image);
3105 view->image_dnd_info.in_drag = TRUE;
3107 view->image_dnd_info.start.x = event->x + view->scroll_x;
3108 view->image_dnd_info.start.y = event->y + view->scroll_y;
3110 ev_view_remove_all (view);
3112 if (EV_IS_SELECTION (view->document))
3113 start_selection_for_event (view, event);
3118 /* use root coordinates as reference point because
3119 * scrolling changes window relative coordinates */
3120 view->drag_info.start.x = event->x_root;
3121 view->drag_info.start.y = event->y_root;
3122 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
3123 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
3125 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
3129 view->scroll_info.start_y = event->y;
3130 return ev_view_do_popup_menu (view, event->x, event->y);
3137 ev_view_remove_all (EvView *view)
3139 GList *children, *child;
3141 children = gtk_container_get_children (GTK_CONTAINER (view));
3142 for (child = children; child && child->data; child = g_list_next (child)) {
3143 gtk_container_remove (GTK_CONTAINER (view),
3144 GTK_WIDGET (child->data));
3146 g_list_free (children);
3149 /*** Drag and Drop ***/
3151 ev_view_drag_data_get (GtkWidget *widget,
3152 GdkDragContext *context,
3153 GtkSelectionData *selection_data,
3157 EvView *view = EV_VIEW (widget);
3160 case TARGET_DND_TEXT:
3161 if (EV_IS_SELECTION (view->document) &&
3162 view->selection_info.selections) {
3165 text = get_selected_text (view);
3166 gtk_selection_data_set_text (selection_data,
3172 case TARGET_DND_IMAGE:
3173 if (view->image_dnd_info.image) {
3176 ev_document_doc_mutex_lock ();
3177 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3178 view->image_dnd_info.image);
3179 ev_document_doc_mutex_unlock ();
3181 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
3182 g_object_unref (pixbuf);
3185 case TARGET_DND_URI:
3186 if (view->image_dnd_info.image) {
3188 const gchar *tmp_uri;
3191 ev_document_doc_mutex_lock ();
3192 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3193 view->image_dnd_info.image);
3194 ev_document_doc_mutex_unlock ();
3196 tmp_uri = ev_image_save_tmp (view->image_dnd_info.image, pixbuf);
3197 g_object_unref (pixbuf);
3199 uris[0] = (gchar *)tmp_uri;
3201 gtk_selection_data_set_uris (selection_data, uris);
3207 ev_view_drag_motion (GtkWidget *widget,
3208 GdkDragContext *context,
3213 if (gtk_drag_get_source_widget (context) == widget)
3214 gdk_drag_status (context, 0, time);
3216 gdk_drag_status (context, context->suggested_action, time);
3222 selection_update_idle_cb (EvView *view)
3224 compute_selections (view,
3225 view->selection_info.style,
3226 &view->selection_info.start,
3228 view->selection_update_id = 0;
3233 selection_scroll_timeout_cb (EvView *view)
3235 gint x, y, shift = 0;
3236 GtkWidget *widget = GTK_WIDGET (view);
3238 gtk_widget_get_pointer (widget, &x, &y);
3240 if (y > widget->allocation.height) {
3241 shift = (y - widget->allocation.height) / 2;
3247 gtk_adjustment_set_value (view->vadjustment,
3248 CLAMP (view->vadjustment->value + shift,
3249 view->vadjustment->lower,
3250 view->vadjustment->upper -
3251 view->vadjustment->page_size));
3253 if (x > widget->allocation.width) {
3254 shift = (x - widget->allocation.width) / 2;
3260 gtk_adjustment_set_value (view->hadjustment,
3261 CLAMP (view->hadjustment->value + shift,
3262 view->hadjustment->lower,
3263 view->hadjustment->upper -
3264 view->hadjustment->page_size));
3270 ev_view_drag_update_momentum (EvView *view)
3273 if (!view->drag_info.in_drag)
3276 for (i = DRAG_HISTORY - 1; i > 0; i--) {
3277 view->drag_info.buffer[i].x = view->drag_info.buffer[i-1].x;
3278 view->drag_info.buffer[i].y = view->drag_info.buffer[i-1].y;
3281 /* Momentum is a moving average of 10ms granularity over
3282 * the last 100ms with each 10ms stored in buffer.
3285 view->drag_info.momentum.x = (view->drag_info.buffer[DRAG_HISTORY - 1].x - view->drag_info.buffer[0].x);
3286 view->drag_info.momentum.y = (view->drag_info.buffer[DRAG_HISTORY - 1].y - view->drag_info.buffer[0].y);
3292 ev_view_scroll_drag_release (EvView *view)
3294 gdouble dhadj_value, dvadj_value;
3295 gdouble oldhadjustment, oldvadjustment;
3297 view->drag_info.momentum.x /= 1.2;
3298 view->drag_info.momentum.y /= 1.2; /* Alter these constants to change "friction" */
3300 dhadj_value = view->hadjustment->page_size *
3301 (gdouble)view->drag_info.momentum.x / GTK_WIDGET (view)->allocation.width;
3302 dvadj_value = view->vadjustment->page_size *
3303 (gdouble)view->drag_info.momentum.y / GTK_WIDGET (view)->allocation.height;
3305 oldhadjustment = gtk_adjustment_get_value (view->hadjustment);
3306 oldvadjustment = gtk_adjustment_get_value (view->vadjustment);
3308 /* When we reach the edges, we need either to absorb some momentum and bounce by
3309 * multiplying it on -0.5 or stop scrolling by setting momentum to 0. */
3310 if (((oldhadjustment + dhadj_value) > (view->hadjustment->upper - view->hadjustment->page_size)) ||
3311 ((oldhadjustment + dhadj_value) < 0))
3312 view->drag_info.momentum.x = 0;
3313 if (((oldvadjustment + dvadj_value) > (view->vadjustment->upper - view->vadjustment->page_size)) ||
3314 ((oldvadjustment + dvadj_value) < 0))
3315 view->drag_info.momentum.y = 0;
3317 gtk_adjustment_set_value (view->hadjustment,
3318 MIN (oldhadjustment + dhadj_value,
3319 view->hadjustment->upper - view->hadjustment->page_size));
3320 gtk_adjustment_set_value (view->vadjustment,
3321 MIN (oldvadjustment + dvadj_value,
3322 view->vadjustment->upper - view->vadjustment->page_size));
3324 if (((view->drag_info.momentum.x < 1) && (view->drag_info.momentum.x > -1)) &&
3325 ((view->drag_info.momentum.y < 1) && (view->drag_info.momentum.y > -1)))
3332 ev_view_motion_notify_event (GtkWidget *widget,
3333 GdkEventMotion *event)
3335 EvView *view = EV_VIEW (widget);
3338 if (!view->document)
3342 if (event->is_hint || event->window != view->layout.bin_window) {
3343 gtk_widget_get_pointer (widget, &x, &y);
3349 if (view->scroll_info.autoscrolling) {
3350 view->scroll_info.last_y = y;
3354 if (view->selection_info.in_drag) {
3355 if (gtk_drag_check_threshold (widget,
3356 view->selection_info.start.x,
3357 view->selection_info.start.y,
3359 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3361 gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT);
3363 gtk_drag_begin (widget, target_list,
3365 1, (GdkEvent *)event);
3367 view->selection_info.in_drag = FALSE;
3369 gtk_target_list_unref (target_list);
3373 } else if (view->image_dnd_info.in_drag) {
3374 if (gtk_drag_check_threshold (widget,
3375 view->selection_info.start.x,
3376 view->selection_info.start.y,
3378 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3380 gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI);
3381 gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE);
3383 gtk_drag_begin (widget, target_list,
3385 1, (GdkEvent *)event);
3387 view->image_dnd_info.in_drag = FALSE;
3389 gtk_target_list_unref (target_list);
3395 switch (view->pressed_button) {
3397 /* For the Evince 0.4.x release, we limit selection to un-rotated
3400 if (view->rotation != 0)
3403 /* Schedule timeout to scroll during selection and additionally
3404 * scroll once to allow arbitrary speed. */
3405 if (!view->selection_scroll_id)
3406 view->selection_scroll_id = g_timeout_add (SCROLL_TIME,
3407 (GSourceFunc)selection_scroll_timeout_cb,
3410 selection_scroll_timeout_cb (view);
3412 view->selection_info.in_selection = TRUE;
3413 view->motion.x = x + view->scroll_x;
3414 view->motion.y = y + view->scroll_y;
3416 /* Queue an idle to handle the motion. We do this because
3417 * handling any selection events in the motion could be slower
3418 * than new motion events reach us. We always put it in the
3419 * idle to make sure we catch up and don't visibly lag the
3421 if (!view->selection_update_id)
3422 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
3426 if (!view->drag_info.in_drag) {
3430 start = gtk_drag_check_threshold (widget,
3431 view->drag_info.start.x,
3432 view->drag_info.start.y,
3435 view->drag_info.in_drag = start;
3436 view->drag_info.drag_timeout_id = g_timeout_add (10,
3437 (GSourceFunc)ev_view_drag_update_momentum, view);
3438 /* Set 100 to choose how long it takes to build up momentum */
3439 /* Clear out previous momentum info: */
3440 for (i = 0; i < DRAG_HISTORY; i++) {
3441 view->drag_info.buffer[i].x = event->x;
3442 view->drag_info.buffer[i].y = event->y;
3444 view->drag_info.momentum.x = 0;
3445 view->drag_info.momentum.y = 0;
3448 if (view->drag_info.in_drag) {
3450 gdouble dhadj_value, dvadj_value;
3452 view->drag_info.buffer[0].x = event->x;
3453 view->drag_info.buffer[0].y = event->y;
3455 dx = event->x_root - view->drag_info.start.x;
3456 dy = event->y_root - view->drag_info.start.y;
3458 dhadj_value = view->hadjustment->page_size *
3459 (gdouble)dx / widget->allocation.width;
3460 dvadj_value = view->vadjustment->page_size *
3461 (gdouble)dy / widget->allocation.height;
3463 /* clamp scrolling to visible area */
3464 gtk_adjustment_set_value (view->hadjustment,
3465 MIN(view->drag_info.hadj - dhadj_value,
3466 view->hadjustment->upper -
3467 view->hadjustment->page_size));
3468 gtk_adjustment_set_value (view->vadjustment,
3469 MIN(view->drag_info.vadj - dvadj_value,
3470 view->vadjustment->upper -
3471 view->vadjustment->page_size));
3478 ev_view_handle_cursor_over_xy (view, x, y);
3485 ev_view_button_release_event (GtkWidget *widget,
3486 GdkEventButton *event)
3488 EvView *view = EV_VIEW (widget);
3489 EvLink *link = NULL;
3491 view->image_dnd_info.in_drag = FALSE;
3493 if (view->scroll_info.autoscrolling) {
3494 ev_view_autoscroll_stop (view);
3495 view->pressed_button = -1;
3500 if (view->drag_info.in_drag) {
3501 view->drag_info.release_timeout_id =
3503 (GSourceFunc)ev_view_scroll_drag_release, view);
3506 if (view->document && !view->drag_info.in_drag && view->pressed_button != 3) {
3507 link = ev_view_get_link_at_location (view, event->x, event->y);
3510 view->drag_info.in_drag = FALSE;
3512 if (view->pressed_button == 2) {
3513 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3516 view->pressed_button = -1;
3518 if (view->selection_scroll_id) {
3519 g_source_remove (view->selection_scroll_id);
3520 view->selection_scroll_id = 0;
3522 if (view->selection_update_id) {
3523 g_source_remove (view->selection_update_id);
3524 view->selection_update_id = 0;
3527 if (view->selection_info.selections) {
3528 clear_link_selected (view);
3529 ev_view_update_primary_selection (view);
3531 if (view->selection_info.in_drag) {
3532 clear_selection (view);
3533 gtk_widget_queue_draw (widget);
3536 view->selection_info.in_drag = FALSE;
3538 if (event->button == 2) {
3539 EvLinkAction *action;
3540 EvLinkActionType type;
3542 action = ev_link_get_action (link);
3546 type = ev_link_action_get_action_type (action);
3547 if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
3548 g_signal_emit (view,
3549 signals[SIGNAL_EXTERNAL_LINK],
3553 ev_view_handle_link (view, link);
3555 } else if (view->presentation) {
3556 switch (event->button) {
3558 ev_view_next_page (view);
3561 ev_view_previous_page (view);
3570 /* Cut and paste from gtkwindow.c */
3572 send_focus_change (GtkWidget *widget,
3575 GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE);
3577 g_object_ref (widget);
3580 GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
3582 GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
3584 fevent->focus_change.type = GDK_FOCUS_CHANGE;
3585 fevent->focus_change.window = g_object_ref (widget->window);
3586 fevent->focus_change.in = in;
3588 gtk_widget_event (widget, fevent);
3590 g_object_notify (G_OBJECT (widget), "has-focus");
3592 g_object_unref (widget);
3593 gdk_event_free (fevent);
3597 ev_view_goto_window_hide (EvView *view)
3599 /* send focus-in event */
3600 send_focus_change (view->goto_entry, FALSE);
3601 gtk_widget_hide (view->goto_window);
3602 gtk_entry_set_text (GTK_ENTRY (view->goto_entry), "");
3606 ev_view_goto_window_delete_event (GtkWidget *widget,
3610 ev_view_goto_window_hide (view);
3616 key_is_numeric (guint keyval)
3618 return ((keyval >= GDK_0 && keyval <= GDK_9) ||
3619 (keyval >= GDK_KP_0 && keyval <= GDK_KP_9));
3623 ev_view_goto_window_key_press_event (GtkWidget *widget,
3627 switch (event->keyval) {
3631 case GDK_ISO_Left_Tab:
3632 ev_view_goto_window_hide (view);
3641 if (!key_is_numeric (event->keyval))
3649 ev_view_goto_window_button_press_event (GtkWidget *widget,
3650 GdkEventButton *event,
3653 ev_view_goto_window_hide (view);
3659 ev_view_goto_entry_activate (GtkEntry *entry,
3665 text = gtk_entry_get_text (entry);
3666 page = atoi (text) - 1;
3668 ev_view_goto_window_hide (view);
3671 page < ev_page_cache_get_n_pages (view->page_cache))
3672 ev_page_cache_set_current_page (view->page_cache, page);
3676 ev_view_goto_window_create (EvView *view)
3678 GtkWidget *frame, *hbox, *toplevel, *label;
3680 toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view));
3682 if (view->goto_window) {
3683 if (GTK_WINDOW (toplevel)->group)
3684 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
3685 GTK_WINDOW (view->goto_window));
3686 else if (GTK_WINDOW (view->goto_window)->group)
3687 gtk_window_group_remove_window (GTK_WINDOW (view->goto_window)->group,
3688 GTK_WINDOW (view->goto_window));
3692 view->goto_window = gtk_window_new (GTK_WINDOW_POPUP);
3693 gtk_window_set_screen (GTK_WINDOW (view->goto_window),
3694 gtk_widget_get_screen (GTK_WIDGET (view)));
3696 if (GTK_WINDOW (toplevel)->group)
3697 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
3698 GTK_WINDOW (view->goto_window));
3700 gtk_window_set_modal (GTK_WINDOW (view->goto_window), TRUE);
3702 g_signal_connect (view->goto_window, "delete_event",
3703 G_CALLBACK (ev_view_goto_window_delete_event),
3705 g_signal_connect (view->goto_window, "key_press_event",
3706 G_CALLBACK (ev_view_goto_window_key_press_event),
3708 g_signal_connect (view->goto_window, "button_press_event",
3709 G_CALLBACK (ev_view_goto_window_button_press_event),
3712 frame = gtk_frame_new (NULL);
3713 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
3714 gtk_container_add (GTK_CONTAINER (view->goto_window), frame);
3715 gtk_widget_show (frame);
3717 hbox = gtk_hbox_new (FALSE, 0);
3718 gtk_container_set_border_width (GTK_CONTAINER (hbox), 3);
3719 gtk_container_add (GTK_CONTAINER (frame), hbox);
3720 gtk_widget_show (hbox);
3722 label = gtk_label_new(_("Jump to page:"));
3723 gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 3);
3724 gtk_widget_show (label);
3725 gtk_widget_realize (label);
3727 view->goto_entry = gtk_entry_new ();
3728 g_signal_connect (view->goto_entry, "activate",
3729 G_CALLBACK (ev_view_goto_entry_activate),
3731 gtk_box_pack_start (GTK_BOX (hbox), view->goto_entry, TRUE, TRUE, 0);
3732 gtk_widget_show (view->goto_entry);
3733 gtk_widget_realize (view->goto_entry);
3737 ev_view_goto_entry_grab_focus (EvView *view)
3739 GtkWidgetClass *entry_parent_class;
3741 entry_parent_class = g_type_class_peek_parent (GTK_ENTRY_GET_CLASS (view->goto_entry));
3742 (entry_parent_class->grab_focus) (view->goto_entry);
3744 send_focus_change (view->goto_entry, TRUE);
3748 ev_view_goto_window_send_key_event (EvView *view,
3751 GdkEventKey *new_event;
3754 /* Move goto window off screen */
3755 screen = gtk_widget_get_screen (GTK_WIDGET (view));
3756 gtk_window_move (GTK_WINDOW (view->goto_window),
3757 gdk_screen_get_width (screen) + 1,
3758 gdk_screen_get_height (screen) + 1);
3759 gtk_widget_show (view->goto_window);
3761 new_event = (GdkEventKey *) gdk_event_copy (event);
3762 g_object_unref (new_event->window);
3763 new_event->window = g_object_ref (view->goto_window->window);
3764 gtk_widget_realize (view->goto_window);
3766 gtk_widget_event (view->goto_window, (GdkEvent *)new_event);
3767 gdk_event_free ((GdkEvent *)new_event);
3768 gtk_widget_hide (view->goto_window);
3772 ev_view_key_press_event (GtkWidget *widget,
3775 EvView *view = EV_VIEW (widget);
3776 EvPresentationState current;
3778 if (!view->document)
3781 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
3782 /* Forward key events to current focused window child */
3783 if (view->window_child_focus) {
3784 GdkEventKey *new_event;
3787 new_event = (GdkEventKey *) gdk_event_copy ((GdkEvent *)event);
3788 g_object_unref (new_event->window);
3789 new_event->window = g_object_ref (view->window_child_focus->window->window);
3790 gtk_widget_realize (view->window_child_focus->window);
3791 handled = gtk_widget_event (view->window_child_focus->window, (GdkEvent *)new_event);
3792 gdk_event_free ((GdkEvent *)new_event);
3800 if (!view->presentation ||
3801 view->presentation_state == EV_PRESENTATION_END)
3802 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3805 current = view->presentation_state;
3807 switch (event->keyval) {
3811 case GDK_KP_Decimal:
3812 view->presentation_state =
3813 (view->presentation_state == EV_PRESENTATION_BLACK) ?
3814 EV_PRESENTATION_NORMAL : EV_PRESENTATION_BLACK;
3818 view->presentation_state =
3819 (view->presentation_state == EV_PRESENTATION_WHITE) ?
3820 EV_PRESENTATION_NORMAL : EV_PRESENTATION_WHITE;
3823 if (view->presentation_state == EV_PRESENTATION_BLACK ||
3824 view->presentation_state == EV_PRESENTATION_WHITE) {
3825 view->presentation_state = EV_PRESENTATION_NORMAL;
3829 if (current == view->presentation_state) {
3830 if (ev_page_cache_get_n_pages (view->page_cache) > 1 &&
3831 key_is_numeric (event->keyval)) {
3834 ev_view_goto_window_create (view);
3835 ev_view_goto_window_send_key_event (view, (GdkEvent *)event);
3836 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
3837 gtk_window_move (GTK_WINDOW (view->goto_window), x, y);
3838 gtk_widget_show (view->goto_window);
3839 ev_view_goto_entry_grab_focus (view);
3844 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3847 switch (view->presentation_state) {
3848 case EV_PRESENTATION_NORMAL:
3849 case EV_PRESENTATION_BLACK:
3850 gdk_window_set_background (view->layout.bin_window,
3851 &widget->style->black);
3853 case EV_PRESENTATION_WHITE:
3854 gdk_window_set_background (view->layout.bin_window,
3855 &widget->style->white);
3858 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3861 gtk_widget_queue_draw (widget);
3866 ev_view_focus_in (GtkWidget *widget,
3867 GdkEventFocus *event)
3869 if (EV_VIEW (widget)->pixbuf_cache)
3870 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3871 gtk_widget_queue_draw (widget);
3877 ev_view_focus_out (GtkWidget *widget,
3878 GdkEventFocus *event)
3880 if (EV_VIEW (widget)->goto_window)
3881 ev_view_goto_window_hide (EV_VIEW (widget));
3883 if (EV_VIEW (widget)->pixbuf_cache)
3884 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3885 gtk_widget_queue_draw (widget);
3891 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3893 EvView *view = EV_VIEW (widget);
3895 if (view->cursor != EV_VIEW_CURSOR_NORMAL)
3896 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
3902 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3904 EvView *view = EV_VIEW (widget);
3906 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3912 ev_view_style_set (GtkWidget *widget,
3913 GtkStyle *old_style)
3915 if (EV_VIEW (widget)->pixbuf_cache)
3916 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3918 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
3924 ev_gdk_color_to_rgb (const GdkColor *color)
3927 result = (0xff0000 | (color->red & 0xff00));
3929 result |= ((color->green & 0xff00) | (color->blue >> 8));
3934 draw_rubberband (GtkWidget *widget, GdkWindow *window,
3935 const GdkRectangle *rect, guchar alpha)
3939 GdkColor *fill_color_gdk;
3942 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
3943 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
3945 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
3946 rect->width, rect->height);
3947 gdk_pixbuf_fill (pixbuf, fill_color);
3949 gdk_draw_pixbuf (window, NULL, pixbuf,
3951 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
3952 rect->width, rect->height,
3953 GDK_RGB_DITHER_NONE,
3956 g_object_unref (pixbuf);
3958 gc = gdk_gc_new (window);
3959 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
3960 gdk_draw_rectangle (window, gc, FALSE,
3961 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
3964 g_object_unref (gc);
3966 gdk_color_free (fill_color_gdk);
3971 highlight_find_results (EvView *view, int page)
3973 gint i, n_results = 0;
3975 n_results = ev_view_find_get_n_results (view, page);
3977 for (i = 0; i < n_results; i++) {
3978 EvRectangle *rectangle;
3979 GdkRectangle view_rectangle;
3982 if (i == view->find_result && page == view->current_page) {
3988 rectangle = ev_view_find_get_result (view, page, i);
3989 doc_rect_to_view_rect (view, page, rectangle, &view_rectangle);
3990 draw_rubberband (GTK_WIDGET (view), view->layout.bin_window,
3991 &view_rectangle, alpha);
3996 draw_loading_text (EvView *view,
3997 GdkRectangle *page_area,
3998 GdkRectangle *expose_area)
4003 if (!view->loading_text) {
4004 const gchar *loading_text = _("Loading...");
4005 PangoLayout *layout;
4006 PangoFontDescription *font_desc;
4007 PangoRectangle logical_rect;
4011 ev_document_fc_mutex_lock ();
4013 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
4015 font_desc = pango_font_description_new ();
4017 /* We set the font to be 10 points, get the size, and scale appropriately */
4018 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
4019 pango_layout_set_font_description (layout, font_desc);
4020 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
4022 target_width = MAX (page_area->width / 2, 1);
4023 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
4024 pango_font_description_set_size (font_desc, (int)real_scale);
4025 pango_layout_set_font_description (layout, font_desc);
4026 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
4028 view->loading_text = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
4030 logical_rect.height);
4031 cr = cairo_create (view->loading_text);
4032 cairo_set_source_rgb (cr,
4036 pango_cairo_show_layout (cr, layout);
4039 pango_font_description_free (font_desc);
4040 g_object_unref (layout);
4042 ev_document_fc_mutex_unlock ();
4045 width = (page_area->width - cairo_image_surface_get_width (view->loading_text)) / 2;
4046 height = (page_area->height - cairo_image_surface_get_height (view->loading_text)) / 2;
4048 cr = gdk_cairo_create (view->layout.bin_window);
4049 cairo_translate (cr,
4050 page_area->x + width,
4051 page_area->y + height);
4052 cairo_set_source_surface (cr, view->loading_text, 0, 0);
4058 draw_one_page (EvView *view,
4061 GdkRectangle *page_area,
4063 GdkRectangle *expose_area,
4064 gboolean *page_ready)
4066 GdkRectangle overlap;
4067 GdkRectangle real_page_area;
4069 g_assert (view->document);
4071 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
4074 /* Render the document itself */
4075 real_page_area = *page_area;
4077 real_page_area.x += border->left;
4078 real_page_area.y += border->top;
4079 real_page_area.width -= (border->left + border->right);
4080 real_page_area.height -= (border->top + border->bottom);
4083 if (!view->presentation) {
4086 current_page = ev_page_cache_get_current_page (view->page_cache);
4087 ev_document_misc_paint_one_page (view->layout.bin_window,
4090 page == current_page);
4093 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
4095 gint page_width, page_height;
4096 cairo_surface_t *page_surface = NULL;
4097 gint selection_width, selection_height;
4098 cairo_surface_t *selection_surface = NULL;
4100 page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page);
4102 if (!page_surface) {
4103 if (!view->presentation) {
4104 draw_loading_text (view,
4109 *page_ready = FALSE;
4114 ev_page_cache_get_size (view->page_cache,
4115 page, view->rotation,
4119 page_width = cairo_image_surface_get_width (page_surface);
4120 page_height = cairo_image_surface_get_height (page_surface);
4123 cairo_translate (cr, overlap.x, overlap.y);
4125 if (width != page_width || height != page_height) {
4126 cairo_pattern_set_filter (cairo_get_source (cr),
4129 (gdouble)width / page_width,
4130 (gdouble)height / page_height);
4133 cairo_surface_set_device_offset (page_surface,
4134 overlap.x - real_page_area.x,
4135 overlap.y - real_page_area.y);
4136 cairo_set_source_surface (cr, page_surface, 0, 0);
4140 /* Get the selection pixbuf iff we have something to draw */
4141 if (find_selection_for_page (view, page) &&
4142 view->selection_mode == EV_VIEW_SELECTION_TEXT) {
4144 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
4150 if (!selection_surface) {
4154 selection_width = cairo_image_surface_get_width (selection_surface);
4155 selection_height = cairo_image_surface_get_height (selection_surface);
4158 cairo_translate (cr, overlap.x, overlap.y);
4160 if (width != selection_width || height != selection_height) {
4161 cairo_pattern_set_filter (cairo_get_source (cr),
4164 (gdouble)width / selection_width,
4165 (gdouble)height / selection_height);
4168 cairo_surface_set_device_offset (selection_surface,
4169 overlap.x - real_page_area.x,
4170 overlap.y - real_page_area.y);
4171 cairo_set_source_surface (cr, selection_surface, 0, 0);
4177 /*** GObject functions ***/
4180 ev_view_finalize (GObject *object)
4182 EvView *view = EV_VIEW (object);
4184 clear_selection (view);
4185 clear_link_selected (view);
4187 if (view->image_dnd_info.image)
4188 g_object_unref (view->image_dnd_info.image);
4189 view->image_dnd_info.image = NULL;
4191 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
4195 ev_view_destroy (GtkObject *object)
4197 EvView *view = EV_VIEW (object);
4199 if (view->document) {
4200 g_object_unref (view->document);
4201 view->document = NULL;
4204 if (view->pixbuf_cache) {
4205 g_object_unref (view->pixbuf_cache);
4206 view->pixbuf_cache = NULL;
4209 if (view->goto_window) {
4210 gtk_widget_destroy (view->goto_window);
4211 view->goto_window = NULL;
4212 view->goto_entry = NULL;
4215 ev_view_window_children_free (view);
4217 if (view->selection_scroll_id) {
4218 g_source_remove (view->selection_scroll_id);
4219 view->selection_scroll_id = 0;
4222 if (view->selection_update_id) {
4223 g_source_remove (view->selection_update_id);
4224 view->selection_update_id = 0;
4227 if (view->loading_text) {
4228 cairo_surface_destroy (view->loading_text);
4229 view->loading_text = NULL;
4232 if (view->scroll_info.timeout_id) {
4233 g_source_remove (view->scroll_info.timeout_id);
4234 view->scroll_info.timeout_id = 0;
4237 if (view->drag_info.drag_timeout_id) {
4238 g_source_remove (view->drag_info.drag_timeout_id);
4239 view->drag_info.drag_timeout_id = 0;
4242 if (view->drag_info.release_timeout_id) {
4243 g_source_remove (view->drag_info.release_timeout_id);
4244 view->drag_info.release_timeout_id = 0;
4247 ev_view_presentation_transition_stop (view);
4249 ev_view_set_scroll_adjustments (GTK_LAYOUT (view), NULL, NULL);
4251 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
4255 ev_view_set_property (GObject *object,
4257 const GValue *value,
4260 EvView *view = EV_VIEW (object);
4263 case PROP_CONTINUOUS:
4264 ev_view_set_continuous (view, g_value_get_boolean (value));
4266 case PROP_DUAL_PAGE:
4267 ev_view_set_dual_page (view, g_value_get_boolean (value));
4269 case PROP_FULLSCREEN:
4270 ev_view_set_fullscreen (view, g_value_get_boolean (value));
4272 case PROP_PRESENTATION:
4273 ev_view_set_presentation (view, g_value_get_boolean (value));
4275 case PROP_SIZING_MODE:
4276 ev_view_set_sizing_mode (view, g_value_get_enum (value));
4279 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
4282 ev_view_set_rotation (view, g_value_get_int (value));
4285 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
4290 ev_view_get_accessible (GtkWidget *widget)
4292 static gboolean first_time = TRUE;
4295 AtkObjectFactory *factory;
4296 AtkRegistry *registry;
4298 GType derived_atk_type;
4301 * Figure out whether accessibility is enabled by looking at the
4302 * type of the accessible object which would be created for
4303 * the parent type of EvView.
4305 derived_type = g_type_parent (EV_TYPE_VIEW);
4307 registry = atk_get_default_registry ();
4308 factory = atk_registry_get_factory (registry,
4310 derived_atk_type = atk_object_factory_get_accessible_type (factory);
4311 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
4312 atk_registry_set_factory_type (registry,
4314 ev_view_accessible_factory_get_type ());
4317 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
4321 ev_view_get_property (GObject *object,
4326 EvView *view = EV_VIEW (object);
4329 case PROP_CONTINUOUS:
4330 g_value_set_boolean (value, view->continuous);
4332 case PROP_DUAL_PAGE:
4333 g_value_set_boolean (value, view->dual_page);
4335 case PROP_FULLSCREEN:
4336 g_value_set_boolean (value, view->fullscreen);
4338 case PROP_PRESENTATION:
4339 g_value_set_boolean (value, view->presentation);
4341 case PROP_SIZING_MODE:
4342 g_value_set_enum (value, view->sizing_mode);
4345 g_value_set_double (value, view->scale);
4348 g_value_set_int (value, view->rotation);
4350 case PROP_HAS_SELECTION:
4351 g_value_set_boolean (value,
4352 view->selection_info.selections != NULL);
4355 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
4360 ev_view_class_init (EvViewClass *class)
4362 GObjectClass *object_class = G_OBJECT_CLASS (class);
4363 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
4364 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
4365 GtkLayoutClass *layout_class = GTK_LAYOUT_CLASS (class);
4366 GtkBindingSet *binding_set;
4368 object_class->finalize = ev_view_finalize;
4369 object_class->set_property = ev_view_set_property;
4370 object_class->get_property = ev_view_get_property;
4372 widget_class->expose_event = ev_view_expose_event;
4373 widget_class->button_press_event = ev_view_button_press_event;
4374 widget_class->motion_notify_event = ev_view_motion_notify_event;
4375 widget_class->button_release_event = ev_view_button_release_event;
4376 widget_class->key_press_event = ev_view_key_press_event;
4377 widget_class->focus_in_event = ev_view_focus_in;
4378 widget_class->focus_out_event = ev_view_focus_out;
4379 widget_class->get_accessible = ev_view_get_accessible;
4380 widget_class->size_request = ev_view_size_request;
4381 widget_class->size_allocate = ev_view_size_allocate;
4382 widget_class->realize = ev_view_realize;
4383 widget_class->scroll_event = ev_view_scroll_event;
4384 widget_class->enter_notify_event = ev_view_enter_notify_event;
4385 widget_class->leave_notify_event = ev_view_leave_notify_event;
4386 widget_class->style_set = ev_view_style_set;
4387 widget_class->drag_data_get = ev_view_drag_data_get;
4388 widget_class->drag_motion = ev_view_drag_motion;
4389 widget_class->popup_menu = ev_view_popup_menu;
4390 widget_class->query_tooltip = ev_view_query_tooltip;
4392 gtk_object_class->destroy = ev_view_destroy;
4394 layout_class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
4396 class->binding_activated = ev_view_scroll;
4398 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
4399 G_TYPE_FROM_CLASS (object_class),
4400 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4401 G_STRUCT_OFFSET (EvViewClass, binding_activated),
4403 ev_view_marshal_VOID__ENUM_BOOLEAN,
4405 GTK_TYPE_SCROLL_TYPE,
4408 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
4409 G_TYPE_FROM_CLASS (object_class),
4410 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4411 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
4413 g_cclosure_marshal_VOID__VOID,
4414 G_TYPE_NONE, 0, G_TYPE_NONE);
4415 signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link",
4416 G_TYPE_FROM_CLASS (object_class),
4417 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4418 G_STRUCT_OFFSET (EvViewClass, handle_link),
4420 g_cclosure_marshal_VOID__OBJECT,
4423 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
4424 G_TYPE_FROM_CLASS (object_class),
4425 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4426 G_STRUCT_OFFSET (EvViewClass, external_link),
4428 g_cclosure_marshal_VOID__OBJECT,
4431 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
4432 G_TYPE_FROM_CLASS (object_class),
4433 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4434 G_STRUCT_OFFSET (EvViewClass, popup_menu),
4436 g_cclosure_marshal_VOID__OBJECT,
4441 g_object_class_install_property (object_class,
4443 g_param_spec_boolean ("continuous",
4445 "Continuous scrolling mode",
4447 G_PARAM_READWRITE));
4449 g_object_class_install_property (object_class,
4451 g_param_spec_boolean ("dual-page",
4453 "Two pages visible at once",
4455 G_PARAM_READWRITE));
4456 g_object_class_install_property (object_class,
4458 g_param_spec_boolean ("fullscreen",
4460 "Draw page in a fullscreen fashion",
4462 G_PARAM_READWRITE));
4463 g_object_class_install_property (object_class,
4465 g_param_spec_boolean ("presentation",
4467 "Draw page in presentation mode",
4469 G_PARAM_READWRITE));
4471 g_object_class_install_property (object_class,
4473 g_param_spec_enum ("sizing-mode",
4476 EV_TYPE_SIZING_MODE,
4477 EV_SIZING_FIT_WIDTH,
4478 G_PARAM_READWRITE));
4480 g_object_class_install_property (object_class,
4482 g_param_spec_double ("zoom",
4488 G_PARAM_READWRITE));
4489 g_object_class_install_property (object_class,
4491 g_param_spec_double ("rotation",
4497 G_PARAM_READWRITE));
4498 g_object_class_install_property (object_class,
4500 g_param_spec_boolean ("has-selection",
4502 "The view has selections",
4506 binding_set = gtk_binding_set_by_class (class);
4508 add_scroll_binding_keypad (binding_set, GDK_Left, 0, GTK_SCROLL_STEP_BACKWARD, TRUE);
4509 add_scroll_binding_keypad (binding_set, GDK_Right, 0, GTK_SCROLL_STEP_FORWARD, TRUE);
4510 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, TRUE);
4511 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, TRUE);
4512 add_scroll_binding_keypad (binding_set, GDK_Up, 0, GTK_SCROLL_STEP_BACKWARD, FALSE);
4513 add_scroll_binding_keypad (binding_set, GDK_Down, 0, GTK_SCROLL_STEP_FORWARD, FALSE);
4514 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, FALSE);
4515 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, FALSE);
4516 gtk_binding_entry_add_signal (binding_set, GDK_H, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4517 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE);
4518 gtk_binding_entry_add_signal (binding_set, GDK_J, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4519 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE);
4520 gtk_binding_entry_add_signal (binding_set, GDK_K, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4521 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE);
4522 gtk_binding_entry_add_signal (binding_set, GDK_L, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4523 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE);
4528 ev_view_init (EvView *view)
4530 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
4532 view->start_page = -1;
4533 view->end_page = -1;
4536 view->current_page = 0;
4537 view->pressed_button = -1;
4538 view->cursor = EV_VIEW_CURSOR_NORMAL;
4539 view->drag_info.in_drag = FALSE;
4540 view->scroll_info.autoscrolling = FALSE;
4541 view->selection_info.selections = NULL;
4542 view->selection_info.in_selection = FALSE;
4543 view->selection_info.in_drag = FALSE;
4544 view->selection_mode = EV_VIEW_SELECTION_TEXT;
4545 view->continuous = TRUE;
4546 view->dual_page = FALSE;
4547 view->presentation = FALSE;
4548 view->presentation_state = EV_PRESENTATION_NORMAL;
4549 view->fullscreen = FALSE;
4550 view->sizing_mode = EV_SIZING_FIT_WIDTH;
4551 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4552 view->jump_to_find_result = TRUE;
4553 view->highlight_find_results = FALSE;
4555 gtk_layout_set_hadjustment (GTK_LAYOUT (view), NULL);
4556 gtk_layout_set_vadjustment (GTK_LAYOUT (view), NULL);
4562 ev_view_change_page (EvView *view,
4564 gboolean start_transition)
4568 view->current_page = new_page;
4569 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4571 if (view->presentation && start_transition)
4572 ev_view_presentation_transition_start (view);
4574 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4575 ev_view_handle_cursor_over_xy (view, x, y);
4577 gtk_widget_queue_resize (GTK_WIDGET (view));
4581 ev_view_transition_animation_finish (EvTransitionAnimation *animation,
4584 g_object_unref (view->animation);
4585 view->animation = NULL;
4586 ev_view_change_page (view, view->current_page, TRUE);
4590 * ev_view_transition_animation_cancel:
4591 * @animation: Animation to finish
4594 * Does almost the same as cancel, but without scheduling the transition.
4598 ev_view_transition_animation_cancel (EvTransitionAnimation *animation,
4601 g_object_unref (view->animation);
4602 view->animation = NULL;
4603 ev_view_change_page (view, view->current_page, FALSE);
4607 ev_view_transition_animation_frame (EvTransitionAnimation *animation,
4611 gtk_widget_queue_draw (GTK_WIDGET (view));
4615 ev_view_presentation_animation_start (EvView *view,
4618 EvTransitionEffect *effect = NULL;
4619 cairo_surface_t *surface;
4621 if (EV_IS_DOCUMENT_TRANSITION (view->document))
4622 effect = ev_document_transition_get_effect (EV_DOCUMENT_TRANSITION (view->document),
4623 view->current_page);
4627 view->animation = ev_transition_animation_new (effect);
4629 surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page);
4630 ev_transition_animation_set_origin_surface (view->animation, surface);
4631 surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, new_page);
4633 ev_transition_animation_set_dest_surface (view->animation, surface);
4635 g_signal_connect (view->animation, "frame",
4636 G_CALLBACK (ev_view_transition_animation_frame), view);
4637 g_signal_connect (view->animation, "finished",
4638 G_CALLBACK (ev_view_transition_animation_finish), view);
4642 job_finished_cb (EvPixbufCache *pixbuf_cache,
4646 if (view->animation) {
4647 cairo_surface_t *surface;
4649 surface = ev_pixbuf_cache_get_surface (pixbuf_cache, view->current_page);
4650 ev_transition_animation_set_dest_surface (view->animation, surface);
4654 gdk_window_invalidate_region (view->layout.bin_window,
4657 gtk_widget_queue_draw (GTK_WIDGET (view));
4662 page_changed_cb (EvPageCache *page_cache,
4666 if (view->current_page != new_page) {
4667 if (view->presentation)
4668 ev_view_presentation_animation_start (view, new_page);
4670 ev_view_change_page (view, new_page, TRUE);
4672 gtk_widget_queue_draw (GTK_WIDGET (view));
4675 view->find_result = 0;
4679 on_adjustment_value_changed (GtkAdjustment *adjustment,
4684 GList *children, *l;
4686 if (! GTK_WIDGET_REALIZED (view))
4689 if (view->hadjustment) {
4690 dx = view->scroll_x - (int) view->hadjustment->value;
4691 view->scroll_x = (int) view->hadjustment->value;
4696 if (view->vadjustment) {
4697 dy = view->scroll_y - (int) view->vadjustment->value;
4698 view->scroll_y = (int) view->vadjustment->value;
4703 children = gtk_container_get_children (GTK_CONTAINER (view));
4704 for (l = children; l && l->data; l = g_list_next (l)) {
4705 gint child_x, child_y;
4706 GtkWidget *child = (GtkWidget *)l->data;
4708 gtk_container_child_get (GTK_CONTAINER (view),
4713 gtk_layout_move (GTK_LAYOUT (view), child, child_x + dx, child_y + dy);
4715 g_list_free (children);
4717 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
4718 EvViewWindowChild *child;
4720 child = (EvViewWindowChild *)l->data;
4722 ev_view_window_child_move (view, child, child->x + dx, child->y + dy);
4725 if (view->pending_resize)
4726 gtk_widget_queue_draw (GTK_WIDGET (view));
4728 gdk_window_scroll (view->layout.bin_window, dx, dy);
4730 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4731 ev_view_handle_cursor_over_xy (view, x, y);
4734 view_update_range_and_current_page (view);
4742 view = g_object_new (EV_TYPE_VIEW, NULL);
4748 setup_caches (EvView *view)
4750 view->page_cache = ev_page_cache_get (view->document);
4751 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
4752 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
4753 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
4754 page_changed_cb (view->page_cache,
4755 ev_page_cache_get_current_page (view->page_cache),
4760 clear_caches (EvView *view)
4762 if (view->pixbuf_cache) {
4763 g_object_unref (view->pixbuf_cache);
4764 view->pixbuf_cache = NULL;
4767 if (view->page_cache) {
4768 view->page_cache = NULL;
4773 ev_view_set_loading (EvView *view,
4776 view->loading = loading;
4777 gtk_widget_queue_draw (GTK_WIDGET (view));
4781 ev_view_autoscroll_cb (EvView *view)
4783 gdouble speed, value;
4785 /* If the user stops autoscrolling, autoscrolling will be
4786 * set to false but the timeout will continue; stop the timeout: */
4787 if (!view->scroll_info.autoscrolling) {
4788 view->scroll_info.timeout_id = 0;
4792 if (view->scroll_info.last_y > view->scroll_info.start_y &&
4793 (view->scroll_info.last_y < view->scroll_info.start_y))
4796 /* Replace 100 with your speed of choice: The lower the faster.
4797 * Replace 3 with another speed of choice: The higher, the faster it accelerated
4798 * based on the distance of the starting point from the mouse
4799 * (All also effected by the timeout interval of this callback) */
4801 if (view->scroll_info.start_y > view->scroll_info.last_y)
4802 speed = -pow ((((gdouble)view->scroll_info.start_y - view->scroll_info.last_y) / 100), 3);
4804 speed = pow ((((gdouble)view->scroll_info.last_y - view->scroll_info.start_y) / 100), 3);
4806 value = gtk_adjustment_get_value (view->vadjustment);
4807 value = CLAMP (value + speed, 0, view->vadjustment->upper - view->vadjustment->page_size);
4808 gtk_adjustment_set_value (view->vadjustment, value);
4815 ev_view_autoscroll_start (EvView *view)
4819 g_return_if_fail (EV_IS_VIEW (view));
4821 if (view->scroll_info.autoscrolling)
4824 view->scroll_info.autoscrolling = TRUE;
4825 view->scroll_info.timeout_id =
4826 g_timeout_add (20, (GSourceFunc)ev_view_autoscroll_cb,
4829 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4830 ev_view_handle_cursor_over_xy (view, x, y);
4834 ev_view_autoscroll_stop (EvView *view)
4838 g_return_if_fail (EV_IS_VIEW (view));
4840 if (!view->scroll_info.autoscrolling)
4843 view->scroll_info.autoscrolling = FALSE;
4844 if (view->scroll_info.timeout_id) {
4845 g_source_remove (view->scroll_info.timeout_id);
4846 view->scroll_info.timeout_id = 0;
4849 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4850 ev_view_handle_cursor_over_xy (view, x, y);
4854 ev_view_set_document (EvView *view,
4855 EvDocument *document)
4857 g_return_if_fail (EV_IS_VIEW (view));
4859 view->loading = FALSE;
4861 if (document != view->document) {
4862 clear_caches (view);
4864 if (view->document) {
4865 g_object_unref (view->document);
4866 view->page_cache = NULL;
4869 view->document = document;
4870 view->find_result = 0;
4872 if (view->document) {
4873 g_object_ref (view->document);
4874 setup_caches (view);
4877 view_update_range_and_current_page (view);
4879 gtk_widget_queue_resize (GTK_WIDGET (view));
4884 ev_view_reload_page (EvView *view,
4888 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
4896 ev_view_reload (EvView *view)
4898 ev_pixbuf_cache_clear (view->pixbuf_cache);
4899 view_update_range_and_current_page (view);
4902 /*** Zoom and sizing mode ***/
4904 #define EPSILON 0.0000001
4906 ev_view_set_zoom (EvView *view,
4913 scale = view->scale * factor;
4917 scale = CLAMP (scale,
4918 view->sizing_mode == EV_SIZING_FREE ? view->min_scale : 0,
4921 if (scale == view->scale)
4924 if (ABS (view->scale - scale) < EPSILON)
4927 if (view->loading_text) {
4928 cairo_surface_destroy (view->loading_text);
4929 view->loading_text = NULL;
4932 view->scale = scale;
4933 view->pending_resize = TRUE;
4935 gtk_widget_queue_resize (GTK_WIDGET (view));
4937 g_object_notify (G_OBJECT (view), "zoom");
4941 ev_view_get_zoom (EvView *view)
4947 ev_view_set_screen_dpi (EvView *view,
4950 g_return_if_fail (EV_IS_VIEW (view));
4951 g_return_if_fail (dpi > 0);
4954 view->min_scale = MIN_SCALE * dpi / 72.0;
4955 view->max_scale = MAX_SCALE * dpi / 72.0;
4959 ev_view_get_continuous (EvView *view)
4961 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4963 return view->continuous;
4967 ev_view_set_continuous (EvView *view,
4968 gboolean continuous)
4970 g_return_if_fail (EV_IS_VIEW (view));
4972 continuous = continuous != FALSE;
4974 if (view->continuous != continuous) {
4975 view->continuous = continuous;
4976 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4977 gtk_widget_queue_resize (GTK_WIDGET (view));
4980 g_object_notify (G_OBJECT (view), "continuous");
4984 ev_view_get_dual_page (EvView *view)
4986 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4988 return view->dual_page;
4992 ev_view_set_dual_page (EvView *view,
4995 g_return_if_fail (EV_IS_VIEW (view));
4997 dual_page = dual_page != FALSE;
4999 if (view->dual_page == dual_page)
5002 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5003 view->dual_page = dual_page;
5004 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
5005 * preload_cache_size to be 2 if dual_page is set.
5007 gtk_widget_queue_resize (GTK_WIDGET (view));
5009 g_object_notify (G_OBJECT (view), "dual-page");
5013 ev_view_set_fullscreen (EvView *view,
5014 gboolean fullscreen)
5016 g_return_if_fail (EV_IS_VIEW (view));
5018 fullscreen = fullscreen != FALSE;
5020 if (view->fullscreen == fullscreen)
5023 view->fullscreen = fullscreen;
5024 gtk_widget_queue_resize (GTK_WIDGET (view));
5026 g_object_notify (G_OBJECT (view), "fullscreen");
5030 ev_view_get_fullscreen (EvView *view)
5032 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5034 return view->fullscreen;
5038 ev_view_set_presentation (EvView *view,
5039 gboolean presentation)
5041 g_return_if_fail (EV_IS_VIEW (view));
5043 presentation = presentation != FALSE;
5045 if (view->presentation == presentation)
5049 view->presentation_state = EV_PRESENTATION_NORMAL;
5051 view->presentation = presentation;
5052 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5055 view->sizing_mode_saved = view->sizing_mode;
5056 view->scale_saved = view->scale;
5057 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
5059 ev_view_set_sizing_mode (view, view->sizing_mode_saved);
5060 ev_view_set_zoom (view, view->scale_saved, FALSE);
5063 gtk_widget_queue_resize (GTK_WIDGET (view));
5066 ev_view_presentation_transition_start (view);
5068 ev_view_presentation_transition_stop (view);
5070 if (view->animation) {
5071 /* stop any running animation */
5072 ev_view_transition_animation_cancel (view->animation, view);
5076 if (GTK_WIDGET_REALIZED (view)) {
5077 if (view->presentation)
5078 gdk_window_set_background (view->layout.bin_window,
5079 >K_WIDGET (view)->style->black);
5081 gdk_window_set_background (view->layout.bin_window,
5082 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
5085 g_object_notify (G_OBJECT (view), "presentation");
5089 ev_view_get_presentation (EvView *view)
5091 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5093 return view->presentation;
5097 transition_next_page (EvView *view)
5099 ev_view_next_page (view);
5105 ev_view_presentation_transition_stop (EvView *view)
5107 if (view->trans_timeout_id > 0)
5108 g_source_remove (view->trans_timeout_id);
5109 view->trans_timeout_id = 0;
5113 ev_view_presentation_transition_start (EvView *view)
5117 if (!EV_IS_DOCUMENT_TRANSITION (view->document))
5120 ev_view_presentation_transition_stop (view);
5122 duration = ev_document_transition_get_page_duration (EV_DOCUMENT_TRANSITION (view->document),
5123 view->current_page);
5125 view->trans_timeout_id =
5126 g_timeout_add_seconds (duration,
5127 (GSourceFunc) transition_next_page,
5133 ev_view_set_sizing_mode (EvView *view,
5134 EvSizingMode sizing_mode)
5136 g_return_if_fail (EV_IS_VIEW (view));
5138 if (view->sizing_mode == sizing_mode)
5141 view->sizing_mode = sizing_mode;
5142 gtk_widget_queue_resize (GTK_WIDGET (view));
5144 g_object_notify (G_OBJECT (view), "sizing-mode");
5148 ev_view_get_sizing_mode (EvView *view)
5150 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
5152 return view->sizing_mode;
5156 ev_view_can_zoom_in (EvView *view)
5158 return view->scale * ZOOM_IN_FACTOR <= view->max_scale;
5162 ev_view_can_zoom_out (EvView *view)
5164 return view->scale * ZOOM_OUT_FACTOR >= view->min_scale;
5168 ev_view_zoom_in (EvView *view)
5170 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5172 if (view->presentation)
5175 view->pending_scroll = SCROLL_TO_CENTER;
5176 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
5180 ev_view_zoom_out (EvView *view)
5182 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5184 if (view->presentation)
5187 view->pending_scroll = SCROLL_TO_CENTER;
5188 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
5192 ev_view_rotate_right (EvView *view)
5194 int rotation = view->rotation + 90;
5196 if (rotation >= 360) {
5200 ev_view_set_rotation (view, rotation);
5204 ev_view_rotate_left (EvView *view)
5206 int rotation = view->rotation - 90;
5212 ev_view_set_rotation (view, rotation);
5216 ev_view_set_rotation (EvView *view, int rotation)
5218 view->rotation = rotation;
5220 if (view->pixbuf_cache) {
5221 ev_pixbuf_cache_clear (view->pixbuf_cache);
5222 gtk_widget_queue_resize (GTK_WIDGET (view));
5226 clear_selection (view);
5228 g_object_notify (G_OBJECT (view), "rotation");
5232 ev_view_get_rotation (EvView *view)
5234 return view->rotation;
5238 zoom_for_size_fit_width (int doc_width,
5246 scale = (double)target_width / doc_width;
5248 if (doc_height * scale > target_height)
5249 scale = (double) (target_width - vsb_width) / doc_width;
5255 zoom_for_size_fit_height (int doc_width,
5263 scale = (double)target_height / doc_height;
5265 if (doc_width * scale > target_width)
5266 scale = (double) (target_height - vsb_height) / doc_height;
5272 zoom_for_size_best_fit (int doc_width,
5282 w_scale = (double)target_width / doc_width;
5283 h_scale = (double)target_height / doc_height;
5285 if (doc_height * w_scale > target_height)
5286 w_scale = (double) (target_width - vsb_width) / doc_width;
5287 if (doc_width * h_scale > target_width)
5288 h_scale = (double) (target_height - hsb_width) / doc_height;
5290 return MIN (w_scale, h_scale);
5295 ev_view_zoom_for_size_presentation (EvView *view,
5299 int doc_width, doc_height;
5302 ev_page_cache_get_size (view->page_cache,
5308 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
5309 ev_view_set_zoom (view, scale, FALSE);
5313 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
5319 int doc_width, doc_height;
5323 ev_page_cache_get_max_width (view->page_cache,
5327 ev_page_cache_get_max_height (view->page_cache,
5331 compute_border (view, doc_width, doc_height, &border);
5333 doc_width = doc_width * 2;
5334 width -= (2 * (border.left + border.right) + 3 * view->spacing);
5335 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5337 /* FIXME: We really need to calculate the overall height here, not the
5338 * page height. We assume there's always a vertical scrollbar for
5339 * now. We need to fix this. */
5340 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5341 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
5342 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5343 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
5345 g_assert_not_reached ();
5347 ev_view_set_zoom (view, scale, FALSE);
5351 ev_view_zoom_for_size_continuous (EvView *view,
5357 int doc_width, doc_height;
5361 ev_page_cache_get_max_width (view->page_cache,
5365 ev_page_cache_get_max_height (view->page_cache,
5369 compute_border (view, doc_width, doc_height, &border);
5371 width -= (border.left + border.right + 2 * view->spacing);
5372 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5374 /* FIXME: We really need to calculate the overall height here, not the
5375 * page height. We assume there's always a vertical scrollbar for
5376 * now. We need to fix this. */
5377 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5378 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
5379 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5380 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
5382 g_assert_not_reached ();
5384 ev_view_set_zoom (view, scale, FALSE);
5388 ev_view_zoom_for_size_dual_page (EvView *view,
5395 gint doc_width, doc_height;
5399 other_page = view->current_page ^ 1;
5401 /* Find the largest of the two. */
5402 ev_page_cache_get_size (view->page_cache,
5406 &doc_width, &doc_height);
5408 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
5409 gint width_2, height_2;
5410 ev_page_cache_get_size (view->page_cache,
5414 &width_2, &height_2);
5415 if (width_2 > doc_width)
5416 doc_width = width_2;
5417 if (height_2 > doc_height)
5418 doc_height = height_2;
5420 compute_border (view, doc_width, doc_height, &border);
5422 doc_width = doc_width * 2;
5423 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
5424 height -= (border.top + border.bottom + 2 * view->spacing);
5426 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5427 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
5428 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5429 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
5431 g_assert_not_reached ();
5433 ev_view_set_zoom (view, scale, FALSE);
5437 ev_view_zoom_for_size_single_page (EvView *view,
5443 int doc_width, doc_height;
5447 ev_page_cache_get_size (view->page_cache,
5453 /* Get an approximate border */
5454 compute_border (view, width, height, &border);
5456 width -= (border.left + border.right + 2 * view->spacing);
5457 height -= (border.top + border.bottom + 2 * view->spacing);
5459 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5460 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
5461 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5462 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
5464 g_assert_not_reached ();
5466 ev_view_set_zoom (view, scale, FALSE);
5470 ev_view_set_zoom_for_size (EvView *view,
5476 g_return_if_fail (EV_IS_VIEW (view));
5477 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
5478 view->sizing_mode == EV_SIZING_BEST_FIT);
5479 g_return_if_fail (width >= 0);
5480 g_return_if_fail (height >= 0);
5482 if (view->document == NULL)
5485 if (view->presentation)
5486 ev_view_zoom_for_size_presentation (view, width, height);
5487 else if (view->continuous && view->dual_page)
5488 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
5489 else if (view->continuous)
5490 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
5491 else if (view->dual_page)
5492 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
5494 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
5499 ev_view_find_get_n_results (EvView *view, gint page)
5501 return view->find_pages ? g_list_length (view->find_pages[page]) : 0;
5504 static EvRectangle *
5505 ev_view_find_get_result (EvView *view, gint page, gint result)
5507 return view->find_pages ? (EvRectangle *) g_list_nth_data (view->find_pages[page], result) : NULL;
5511 jump_to_find_result (EvView *view)
5514 gint page = view->current_page;
5516 n_results = ev_view_find_get_n_results (view, page);
5518 if (n_results > 0 && view->find_result < n_results) {
5520 GdkRectangle view_rect;
5522 rect = ev_view_find_get_result (view, page, view->find_result);
5523 doc_rect_to_view_rect (view, page, rect, &view_rect);
5524 ensure_rectangle_is_visible (view, &view_rect);
5525 view->jump_to_find_result = FALSE;
5531 * @view: #EvView instance
5532 * @direction: Direction to look
5533 * @shift: Shift from current page
5535 * Jumps to the first page that has occurences of searched word.
5536 * Uses a direction where to look and a shift from current page.
5540 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
5544 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5546 for (i = 0; i < n_pages; i++) {
5549 if (direction == EV_VIEW_FIND_NEXT)
5550 page = view->current_page + i;
5552 page = view->current_page - i;
5555 if (page >= n_pages) {
5556 page = page - n_pages;
5557 } else if (page < 0)
5558 page = page + n_pages;
5560 if (ev_view_find_get_n_results (view, page) > 0) {
5561 ev_page_cache_set_current_page (view->page_cache, page);
5568 ev_view_find_changed (EvView *view, GList **results, gint page)
5570 view->find_pages = results;
5572 if (view->jump_to_find_result == TRUE) {
5573 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
5574 jump_to_find_result (view);
5577 if (view->current_page == page)
5578 gtk_widget_queue_draw (GTK_WIDGET (view));
5582 ev_view_find_next (EvView *view)
5586 n_results = ev_view_find_get_n_results (view, view->current_page);
5587 view->find_result++;
5589 if (view->find_result >= n_results) {
5590 view->find_result = 0;
5591 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
5592 jump_to_find_result (view);
5594 jump_to_find_result (view);
5595 gtk_widget_queue_draw (GTK_WIDGET (view));
5600 ev_view_find_previous (EvView *view)
5602 view->find_result--;
5604 if (view->find_result < 0) {
5605 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
5606 view->find_result = MAX (0, ev_view_find_get_n_results (view, view->current_page) - 1);
5607 jump_to_find_result (view);
5609 jump_to_find_result (view);
5610 gtk_widget_queue_draw (GTK_WIDGET (view));
5615 ev_view_find_search_changed (EvView *view)
5617 /* search string has changed, focus on new search result */
5618 view->jump_to_find_result = TRUE;
5619 view->find_pages = NULL;
5623 ev_view_find_set_highlight_search (EvView *view, gboolean value)
5625 view->highlight_find_results = value;
5626 gtk_widget_queue_draw (GTK_WIDGET (view));
5630 ev_view_find_cancel (EvView *view)
5632 view->find_pages = NULL;
5635 /*** Selections ***/
5637 /* compute_new_selection_rect/text calculates the area currently selected by
5638 * view_rect. each handles a different mode;
5641 compute_new_selection_rect (EvView *view,
5645 GdkRectangle view_rect;
5649 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
5651 view_rect.x = MIN (start->x, stop->x);
5652 view_rect.y = MIN (start->y, stop->y);
5653 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
5654 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
5656 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5658 for (i = 0; i < n_pages; i++) {
5659 GdkRectangle page_area;
5662 if (get_page_extents (view, i, &page_area, &border)) {
5663 GdkRectangle overlap;
5665 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
5666 EvViewSelection *selection;
5668 selection = g_new0 (EvViewSelection, 1);
5669 selection->page = i;
5670 view_rect_to_doc_rect (view, &overlap, &page_area,
5671 &(selection->rect));
5673 list = g_list_append (list, selection);
5682 gdk_rectangle_point_in (GdkRectangle *rectangle,
5685 return rectangle->x <= point->x &&
5686 rectangle->y <= point->y &&
5687 point->x < rectangle->x + rectangle->width &&
5688 point->y < rectangle->y + rectangle->height;
5692 compute_new_selection_text (EvView *view,
5693 EvSelectionStyle style,
5697 int n_pages, i, first, last;
5699 EvViewSelection *selection;
5701 int start_page, end_page;
5703 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
5705 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5707 /* First figure out the range of pages the selection
5711 if (view->continuous) {
5714 } else if (view->dual_page) {
5715 start_page = view->start_page;
5716 end_page = view->end_page + 1;
5718 start_page = view->current_page;
5719 end_page = view->current_page + 1;
5722 for (i = start_page; i < end_page; i++) {
5723 GdkRectangle page_area;
5726 get_page_extents (view, i, &page_area, &border);
5727 if (gdk_rectangle_point_in (&page_area, start) ||
5728 gdk_rectangle_point_in (&page_area, stop)) {
5729 if (first == n_pages)
5736 /* Now create a list of EvViewSelection's for the affected
5737 * pages. This could be an empty list, a list of just one
5738 * page or a number of pages.*/
5739 for (i = first; i < last + 1; i++) {
5740 GdkRectangle page_area;
5744 ev_page_cache_get_size (view->page_cache, i,
5746 1.0, &width, &height);
5748 selection = g_new0 (EvViewSelection, 1);
5749 selection->page = i;
5750 selection->style = style;
5751 selection->rect.x1 = selection->rect.y1 = 0;
5752 selection->rect.x2 = width;
5753 selection->rect.y2 = height;
5755 get_page_extents (view, i, &page_area, &border);
5757 if (gdk_rectangle_point_in (&page_area, start))
5763 view_point_to_doc_point (view, point, &page_area,
5764 &selection->rect.x1,
5765 &selection->rect.y1);
5767 /* If the selection is contained within just one page,
5768 * make sure we don't write 'start' into both points
5769 * in selection->rect. */
5774 view_point_to_doc_point (view, point, &page_area,
5775 &selection->rect.x2,
5776 &selection->rect.y2);
5778 list = g_list_append (list, selection);
5784 /* This function takes the newly calculated list, and figures out which regions
5785 * have changed. It then queues a redraw approporiately.
5788 merge_selection_region (EvView *view,
5792 GList *new_list_ptr, *old_list_ptr;
5794 /* Update the selection */
5795 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
5796 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5797 g_list_free (view->selection_info.selections);
5798 view->selection_info.selections = new_list;
5799 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
5800 g_object_notify (G_OBJECT (view), "has-selection");
5802 new_list_ptr = new_list;
5803 old_list_ptr = old_list;
5805 while (new_list_ptr || old_list_ptr) {
5806 EvViewSelection *old_sel, *new_sel;
5808 GdkRegion *region = NULL;
5810 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
5811 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
5813 /* Assume that the lists are in order, and we run through them
5814 * comparing them, one page at a time. We come out with the
5815 * first page we see. */
5816 if (new_sel && old_sel) {
5817 if (new_sel->page < old_sel->page) {
5818 new_list_ptr = new_list_ptr->next;
5820 } else if (new_sel->page > old_sel->page) {
5821 old_list_ptr = old_list_ptr->next;
5824 new_list_ptr = new_list_ptr->next;
5825 old_list_ptr = old_list_ptr->next;
5827 } else if (new_sel) {
5828 new_list_ptr = new_list_ptr->next;
5829 } else if (old_sel) {
5830 old_list_ptr = old_list_ptr->next;
5833 g_assert (new_sel || old_sel);
5835 /* is the page we're looking at on the screen?*/
5836 cur_page = new_sel ? new_sel->page : old_sel->page;
5837 if (cur_page < view->start_page || cur_page > view->end_page)
5840 /* seed the cache with a new page. We are going to need the new
5843 GdkRegion *tmp_region = NULL;
5845 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
5851 new_sel->covered_region = gdk_region_copy (tmp_region);
5855 /* Now we figure out what needs redrawing */
5856 if (old_sel && new_sel) {
5857 if (old_sel->covered_region && new_sel->covered_region) {
5858 /* We only want to redraw the areas that have
5859 * changed, so we xor the old and new regions
5860 * and redraw if it's different */
5861 region = gdk_region_copy (old_sel->covered_region);
5862 gdk_region_xor (region, new_sel->covered_region);
5863 if (gdk_region_empty (region)) {
5864 gdk_region_destroy (region);
5867 } else if (old_sel->covered_region) {
5868 region = gdk_region_copy (old_sel->covered_region);
5869 } else if (new_sel->covered_region) {
5870 region = gdk_region_copy (new_sel->covered_region);
5872 } else if (old_sel && !new_sel) {
5873 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
5874 region = gdk_region_copy (old_sel->covered_region);
5876 } else if (!old_sel && new_sel) {
5877 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
5878 region = gdk_region_copy (new_sel->covered_region);
5881 g_assert_not_reached ();
5884 /* Redraw the damaged region! */
5886 GdkRectangle page_area;
5889 /* I don't know why but the region is smaller
5890 * than expected. This hack fixes it, I guess
5891 * 10 pixels more won't hurt
5893 gdk_region_shrink (region, -5, -5);
5895 get_page_extents (view, cur_page, &page_area, &border);
5896 gdk_region_offset (region,
5897 page_area.x + border.left - view->scroll_x,
5898 page_area.y + border.top - view->scroll_y);
5899 gdk_window_invalidate_region (view->layout.bin_window, region, TRUE);
5900 gdk_region_destroy (region);
5904 /* Free the old list, now that we're done with it. */
5905 g_list_foreach (old_list, (GFunc) selection_free, NULL);
5906 g_list_free (old_list);
5910 compute_selections (EvView *view,
5911 EvSelectionStyle style,
5917 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
5918 list = compute_new_selection_rect (view, start, stop);
5920 list = compute_new_selection_text (view, style, start, stop);
5921 merge_selection_region (view, list);
5924 /* Free's the selection. It's up to the caller to queue redraws if needed.
5927 selection_free (EvViewSelection *selection)
5929 if (selection->covered_region)
5930 gdk_region_destroy (selection->covered_region);
5935 clear_selection (EvView *view)
5937 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5938 g_list_free (view->selection_info.selections);
5939 view->selection_info.selections = NULL;
5940 view->selection_info.in_selection = FALSE;
5941 if (view->pixbuf_cache)
5942 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
5943 g_object_notify (G_OBJECT (view), "has-selection");
5947 ev_view_select_all (EvView *view)
5949 GList *selections = NULL;
5952 /* Disable selection on rotated pages for the 0.4.0 series */
5953 if (view->rotation != 0)
5956 clear_selection (view);
5958 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5959 for (i = 0; i < n_pages; i++) {
5961 EvViewSelection *selection;
5963 ev_page_cache_get_size (view->page_cache,
5966 1.0, &width, &height);
5968 selection = g_new0 (EvViewSelection, 1);
5969 selection->page = i;
5970 selection->style = EV_SELECTION_STYLE_GLYPH;
5971 selection->rect.x1 = selection->rect.y1 = 0;
5972 selection->rect.x2 = width;
5973 selection->rect.y2 = height;
5975 selections = g_list_append (selections, selection);
5978 merge_selection_region (view, selections);
5979 gtk_widget_queue_draw (GTK_WIDGET (view));
5983 ev_view_get_has_selection (EvView *view)
5985 return view->selection_info.selections != NULL;
5989 get_selected_text (EvView *view)
5993 gchar *normalized_text;
5994 EvRenderContext *rc;
5996 text = g_string_new (NULL);
5997 rc = ev_render_context_new (NULL, view->rotation, view->scale);
5999 ev_document_doc_mutex_lock ();
6001 for (l = view->selection_info.selections; l != NULL; l = l->next) {
6002 EvViewSelection *selection = (EvViewSelection *)l->data;
6006 page = ev_document_get_page (view->document, selection->page);
6007 ev_render_context_set_page (rc, page);
6008 g_object_unref (page);
6010 tmp = ev_selection_get_selected_text (EV_SELECTION (view->document),
6011 rc, selection->style,
6012 &(selection->rect));
6014 g_string_append (text, tmp);
6018 g_object_unref (rc);
6020 ev_document_doc_mutex_unlock ();
6022 normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC);
6023 g_string_free (text, TRUE);
6024 return normalized_text;
6028 ev_view_clipboard_copy (EvView *view,
6031 GtkClipboard *clipboard;
6033 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
6034 GDK_SELECTION_CLIPBOARD);
6035 gtk_clipboard_set_text (clipboard, text, -1);
6039 ev_view_copy (EvView *ev_view)
6043 if (!EV_IS_SELECTION (ev_view->document))
6046 text = get_selected_text (ev_view);
6047 ev_view_clipboard_copy (ev_view, text);
6052 ev_view_primary_get_cb (GtkClipboard *clipboard,
6053 GtkSelectionData *selection_data,
6057 EvView *ev_view = EV_VIEW (data);
6059 if (ev_view->link_selected) {
6060 gtk_selection_data_set_text (selection_data,
6061 ev_link_action_get_uri (ev_view->link_selected),
6063 } else if (EV_IS_SELECTION (ev_view->document) &&
6064 ev_view->selection_info.selections) {
6067 text = get_selected_text (ev_view);
6069 gtk_selection_data_set_text (selection_data, text, -1);
6076 ev_view_primary_clear_cb (GtkClipboard *clipboard,
6079 EvView *view = EV_VIEW (data);
6081 clear_selection (view);
6082 clear_link_selected (view);
6086 ev_view_update_primary_selection (EvView *ev_view)
6088 GtkClipboard *clipboard;
6090 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
6091 GDK_SELECTION_PRIMARY);
6093 if (ev_view->selection_info.selections || ev_view->link_selected) {
6094 GtkTargetList *target_list;
6095 GtkTargetEntry *targets;
6098 target_list = gtk_target_list_new (NULL, 0);
6099 gtk_target_list_add_text_targets (target_list, 0);
6100 targets = gtk_target_table_new_from_list (target_list, &n_targets);
6101 gtk_target_list_unref (target_list);
6103 if (!gtk_clipboard_set_with_owner (clipboard,
6105 ev_view_primary_get_cb,
6106 ev_view_primary_clear_cb,
6107 G_OBJECT (ev_view)))
6108 ev_view_primary_clear_cb (clipboard, ev_view);
6110 gtk_target_table_free (targets, n_targets);
6112 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
6113 gtk_clipboard_clear (clipboard);
6118 clear_link_selected (EvView *view)
6120 if (view->link_selected) {
6121 g_object_unref (view->link_selected);
6122 view->link_selected = NULL;
6127 ev_view_copy_link_address (EvView *view,
6128 EvLinkAction *action)
6130 clear_link_selected (view);
6132 ev_view_clipboard_copy (view, ev_link_action_get_uri (action));
6134 view->link_selected = g_object_ref (action);
6135 ev_view_update_primary_selection (view);
6138 /*** Cursor operations ***/
6141 ev_view_create_invisible_cursor(void)
6144 GdkColor black = { 0, 0, 0, 0 };
6145 static char bits[] = { 0x00 };
6147 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
6149 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
6153 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
6155 GdkCursor *cursor = NULL;
6156 GdkDisplay *display;
6159 if (view->cursor == new_cursor) {
6163 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
6164 display = gtk_widget_get_display (widget);
6165 view->cursor = new_cursor;
6167 switch (new_cursor) {
6168 case EV_VIEW_CURSOR_NORMAL:
6169 gdk_window_set_cursor (view->layout.bin_window, NULL);
6171 case EV_VIEW_CURSOR_IBEAM:
6172 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
6174 case EV_VIEW_CURSOR_LINK:
6175 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
6177 case EV_VIEW_CURSOR_WAIT:
6178 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
6180 case EV_VIEW_CURSOR_HIDDEN:
6181 cursor = ev_view_create_invisible_cursor ();
6183 case EV_VIEW_CURSOR_DRAG:
6184 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
6186 case EV_VIEW_CURSOR_AUTOSCROLL:
6187 cursor = gdk_cursor_new_for_display (display, GDK_DOUBLE_ARROW);
6192 gdk_window_set_cursor (view->layout.bin_window, cursor);
6193 gdk_cursor_unref (cursor);
6199 ev_view_hide_cursor (EvView *view)
6201 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
6205 ev_view_show_cursor (EvView *view)
6207 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
6211 ev_view_reset_presentation_state (EvView *view)
6213 if (!view->presentation ||
6214 view->presentation_state == EV_PRESENTATION_NORMAL)
6217 view->presentation_state = EV_PRESENTATION_NORMAL;
6218 gdk_window_set_background (view->layout.bin_window,
6219 >K_WIDGET (view)->style->black);
6220 gtk_widget_queue_draw (GTK_WIDGET (view));
6224 ev_view_next_page (EvView *view)
6228 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
6230 if (!view->page_cache)
6233 if (view->presentation &&
6234 (view->presentation_state == EV_PRESENTATION_BLACK ||
6235 view->presentation_state == EV_PRESENTATION_WHITE)) {
6236 ev_view_reset_presentation_state (view);
6240 if (view->animation) {
6241 ev_view_transition_animation_cancel (view->animation, view);
6244 ev_view_presentation_transition_stop (view);
6245 ev_view_reset_presentation_state (view);
6247 page = ev_page_cache_get_current_page (view->page_cache);
6248 n_pages = ev_page_cache_get_n_pages (view->page_cache);
6250 if (view->dual_page && !view->presentation)
6255 if (page < n_pages) {
6256 ev_page_cache_set_current_page (view->page_cache, page);
6258 } else if (view->presentation && page == n_pages) {
6259 view->presentation_state = EV_PRESENTATION_END;
6260 gtk_widget_queue_draw (GTK_WIDGET (view));
6262 } else if (view->dual_page && page == n_pages) {
6263 ev_page_cache_set_current_page (view->page_cache, page - 1);
6271 ev_view_previous_page (EvView *view)
6275 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
6277 if (!view->page_cache)
6280 if (view->presentation &&
6281 view->presentation_state == EV_PRESENTATION_END) {
6282 ev_view_reset_presentation_state (view);
6286 if (view->presentation &&
6287 (view->presentation_state == EV_PRESENTATION_BLACK ||
6288 view->presentation_state == EV_PRESENTATION_WHITE)) {
6289 ev_view_reset_presentation_state (view);
6293 if (view->animation) {
6294 ev_view_transition_animation_cancel (view->animation, view);
6297 ev_view_reset_presentation_state (view);
6299 page = ev_page_cache_get_current_page (view->page_cache);
6301 if (view->dual_page && !view->presentation)
6307 ev_page_cache_set_current_page (view->page_cache, page);
6309 } else if (ev_view_get_dual_page (view) && page == -1) {
6310 ev_page_cache_set_current_page (view->page_cache, 0);