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-document-forms.h"
32 #include "ev-document-images.h"
33 #include "ev-document-links.h"
34 #include "ev-document-misc.h"
35 #include "ev-document-transition.h"
36 #include "ev-page-cache.h"
37 #include "ev-pixbuf-cache.h"
38 #include "ev-transition-animation.h"
39 #include "ev-view-marshal.h"
40 #include "ev-document-annotations.h"
41 #include "ev-annotation-window.h"
43 #include "ev-view-accessible.h"
44 #include "ev-view-private.h"
45 #include "ev-view-type-builtins.h"
47 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
48 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
49 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
64 SIGNAL_BINDING_ACTIVATED,
78 static guint signals[N_SIGNALS];
83 } EvViewFindDirection;
85 #define ZOOM_IN_FACTOR 1.2
86 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
88 #define MIN_SCALE 0.05409
91 #define SCROLL_TIME 150
94 static void scroll_to_current_page (EvView *view,
95 GtkOrientation orientation);
96 static void ev_view_set_scroll_adjustments (GtkLayout *layout,
97 GtkAdjustment *hadjustment,
98 GtkAdjustment *vadjustment);
99 static void view_update_range_and_current_page (EvView *view);
100 static void set_scroll_adjustment (EvView *view,
101 GtkOrientation orientation,
102 GtkAdjustment *adjustment);
103 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
105 GdkModifierType modifiers,
106 GtkScrollType scroll,
107 gboolean horizontal);
108 static void ensure_rectangle_is_visible (EvView *view,
111 /*** Geometry computations ***/
112 static void compute_border (EvView *view,
116 static void get_page_y_offset (EvView *view,
120 static gboolean get_page_extents (EvView *view,
122 GdkRectangle *page_area,
124 static void view_rect_to_doc_rect (EvView *view,
125 GdkRectangle *view_rect,
126 GdkRectangle *page_area,
127 EvRectangle *doc_rect);
128 static void doc_rect_to_view_rect (EvView *view,
130 EvRectangle *doc_rect,
131 GdkRectangle *view_rect);
132 static void find_page_at_location (EvView *view,
138 static gboolean doc_point_to_view_point (EvView *view,
141 GdkPoint *view_point);
143 static EvLink * ev_view_get_link_at_location (EvView *view,
146 static char* tip_from_link (EvView *view,
149 static EvFormField *ev_view_get_form_field_at_location (EvView *view,
153 /*** Annotations ***/
154 static EvAnnotation *ev_view_get_annotation_at_location (EvView *view,
157 static void show_annotation_windows (EvView *view,
159 static void hide_annotation_windows (EvView *view,
161 /*** GtkWidget implementation ***/
162 static void ev_view_size_request_continuous_dual_page (EvView *view,
163 GtkRequisition *requisition);
164 static void ev_view_size_request_continuous (EvView *view,
165 GtkRequisition *requisition);
166 static void ev_view_size_request_dual_page (EvView *view,
167 GtkRequisition *requisition);
168 static void ev_view_size_request_single_page (EvView *view,
169 GtkRequisition *requisition);
170 static void ev_view_size_request (GtkWidget *widget,
171 GtkRequisition *requisition);
172 static void ev_view_size_allocate (GtkWidget *widget,
173 GtkAllocation *allocation);
174 static void ev_view_realize (GtkWidget *widget);
175 static gboolean ev_view_scroll_event (GtkWidget *widget,
176 GdkEventScroll *event);
177 static gboolean ev_view_expose_event (GtkWidget *widget,
178 GdkEventExpose *event);
179 static gboolean ev_view_popup_menu (GtkWidget *widget);
180 static gboolean ev_view_button_press_event (GtkWidget *widget,
181 GdkEventButton *event);
182 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
183 GdkEventMotion *event);
184 static gboolean ev_view_button_release_event (GtkWidget *widget,
185 GdkEventButton *event);
186 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
187 GdkEventCrossing *event);
188 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
189 GdkEventCrossing *event);
190 static void ev_view_style_set (GtkWidget *widget,
191 GtkStyle *old_style);
192 static void ev_view_remove_all (EvView *view);
194 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
197 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
198 static void draw_rubberband (GtkWidget *widget,
200 const GdkRectangle *rect,
202 static void highlight_find_results (EvView *view,
204 static void draw_one_page (EvView *view,
207 GdkRectangle *page_area,
209 GdkRectangle *expose_area,
210 gboolean *page_ready);
211 static void draw_loading_text (EvView *view,
212 GdkRectangle *page_area,
213 GdkRectangle *expose_area);
214 static void ev_view_reload_page (EvView *view,
219 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
222 static void page_changed_cb (EvPageCache *page_cache,
225 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
229 static void ev_view_finalize (GObject *object);
230 static void ev_view_destroy (GtkObject *object);
231 static void ev_view_set_property (GObject *object,
235 static void ev_view_get_property (GObject *object,
239 static void ev_view_class_init (EvViewClass *class);
240 static void ev_view_init (EvView *view);
242 /*** Zoom and sizing ***/
243 static double zoom_for_size_fit_width (int doc_width,
248 static double zoom_for_size_fit_height (int doc_width,
253 static double zoom_for_size_best_fit (int doc_width,
259 static void ev_view_zoom_for_size_presentation (EvView *view,
262 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
267 static void ev_view_zoom_for_size_continuous (EvView *view,
272 static void ev_view_zoom_for_size_dual_page (EvView *view,
277 static void ev_view_zoom_for_size_single_page (EvView *view,
283 static GdkCursor* ev_view_create_invisible_cursor (void);
284 static void ev_view_set_cursor (EvView *view,
285 EvViewCursor new_cursor);
286 static void ev_view_handle_cursor_over_xy (EvView *view,
291 static gint ev_view_find_get_n_results (EvView *view,
293 static EvRectangle *ev_view_find_get_result (EvView *view,
296 static void jump_to_find_result (EvView *view);
297 static void jump_to_find_page (EvView *view,
298 EvViewFindDirection direction,
302 static void compute_selections (EvView *view,
303 EvSelectionStyle style,
306 static void clear_selection (EvView *view);
307 static void clear_link_selected (EvView *view);
308 static void selection_free (EvViewSelection *selection);
309 static char* get_selected_text (EvView *ev_view);
310 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
311 GtkSelectionData *selection_data,
314 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
316 static void ev_view_update_primary_selection (EvView *ev_view);
318 /*** Presentation ***/
319 static void ev_view_presentation_transition_start (EvView *ev_view);
320 static void ev_view_presentation_transition_stop (EvView *ev_view);
323 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_LAYOUT)
326 scroll_to_current_page (EvView *view, GtkOrientation orientation)
330 if (view->document == NULL) {
334 doc_point_to_view_point (view, view->current_page, &view->pending_point, &view_point);
336 if (orientation == GTK_ORIENTATION_VERTICAL) {
337 view->pending_point.y = 0;
339 view->pending_point.x = 0;
342 if (orientation == GTK_ORIENTATION_VERTICAL) {
343 if (view->continuous) {
344 gtk_adjustment_clamp_page (view->vadjustment,
345 view_point.y - view->spacing / 2,
346 view_point.y + view->vadjustment->page_size);
348 gtk_adjustment_set_value (view->vadjustment,
350 view->vadjustment->lower,
351 view->vadjustment->upper -
352 view->vadjustment->page_size));
355 if (view->dual_page) {
356 gtk_adjustment_clamp_page (view->hadjustment,
358 view_point.x + view->hadjustment->page_size);
360 gtk_adjustment_set_value (view->hadjustment,
362 view->hadjustment->lower,
363 view->hadjustment->upper -
364 view->hadjustment->page_size));
370 view_set_adjustment_values (EvView *view,
371 GtkOrientation orientation)
373 GtkWidget *widget = GTK_WIDGET (view);
374 GtkAdjustment *adjustment;
381 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
382 requisition = widget->requisition.width;
383 allocation = widget->allocation.width;
384 adjustment = view->hadjustment;
386 requisition = widget->requisition.height;
387 allocation = widget->allocation.height;
388 adjustment = view->vadjustment;
395 switch (view->pending_scroll) {
396 case SCROLL_TO_KEEP_POSITION:
397 case SCROLL_TO_FIND_LOCATION:
398 factor = (adjustment->value) / adjustment->upper;
400 case SCROLL_TO_PAGE_POSITION:
402 case SCROLL_TO_CENTER:
403 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
407 adjustment->page_size = allocation;
408 adjustment->step_increment = allocation * 0.1;
409 adjustment->page_increment = allocation * 0.9;
410 adjustment->lower = 0;
411 adjustment->upper = MAX (allocation, requisition);
414 * We add 0.5 to the values before to average out our rounding errors.
416 switch (view->pending_scroll) {
417 case SCROLL_TO_KEEP_POSITION:
418 case SCROLL_TO_FIND_LOCATION:
419 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
420 gtk_adjustment_set_value (adjustment, (int)new_value);
422 case SCROLL_TO_PAGE_POSITION:
423 scroll_to_current_page (view, orientation);
425 case SCROLL_TO_CENTER:
426 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
427 0, adjustment->upper - adjustment->page_size);
428 gtk_adjustment_set_value (adjustment, (int)new_value);
432 gtk_adjustment_changed (adjustment);
436 view_update_range_and_current_page (EvView *view)
439 gint best_current_page = -1;
440 gint start = view->start_page;
441 gint end = view->end_page;
443 /* Presentation trumps all other modes */
444 if (view->presentation) {
445 view->start_page = view->current_page;
446 view->end_page = view->current_page;
447 } else if (view->continuous) {
448 GdkRectangle current_area, unused, page_area;
450 gboolean found = FALSE;
451 gint area_max = -1, area;
454 if (!(view->vadjustment && view->hadjustment))
457 current_area.x = view->hadjustment->value;
458 current_area.width = view->hadjustment->upper;
459 current_area.y = view->vadjustment->value;
460 current_area.height = view->vadjustment->page_size;
462 for (i = 0; i < ev_page_cache_get_n_pages (view->page_cache); i++) {
464 get_page_extents (view, i, &page_area, &border);
466 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
467 area = unused.width * unused.height;
471 view->start_page = i;
473 best_current_page = i;
475 if (area > area_max) {
476 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
481 } else if (found && view->current_page <= view->end_page) {
486 } else if (view->dual_page) {
487 if (view->current_page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) {
488 view->start_page = view->current_page;
489 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache))
490 view->end_page = view->start_page + 1;
492 view->end_page = view->start_page;
494 if (view->current_page < 1)
495 view->start_page = view->current_page;
497 view->start_page = view->current_page - 1;
498 view->end_page = view->current_page;
501 view->start_page = view->current_page;
502 view->end_page = view->current_page;
505 best_current_page = MAX (best_current_page, view->start_page);
506 current_page = ev_page_cache_get_current_page (view->page_cache);
508 if ((current_page != best_current_page) && (view->pending_scroll == SCROLL_TO_KEEP_POSITION)) {
509 view->current_page = best_current_page;
510 ev_page_cache_set_current_page (view->page_cache, best_current_page);
513 if (start != view->start_page || end != view->end_page) {
516 for (i = start; i < view->start_page; i++) {
517 hide_annotation_windows (view, i);
520 for (i = end; i > view->end_page; i--) {
521 hide_annotation_windows (view, i);
525 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
530 view->selection_info.selections);
534 set_scroll_adjustment (EvView *view,
535 GtkOrientation orientation,
536 GtkAdjustment *adjustment)
538 GtkAdjustment **to_set;
540 if (orientation == GTK_ORIENTATION_HORIZONTAL)
541 to_set = &view->hadjustment;
543 to_set = &view->vadjustment;
545 if (*to_set != adjustment) {
547 g_signal_handlers_disconnect_by_func (*to_set,
548 (gpointer) on_adjustment_value_changed,
550 g_object_unref (*to_set);
553 *to_set = adjustment;
554 view_set_adjustment_values (view, orientation);
557 g_object_ref (*to_set);
558 g_signal_connect (*to_set, "value_changed",
559 G_CALLBACK (on_adjustment_value_changed), view);
565 ev_view_set_scroll_adjustments (GtkLayout *layout,
566 GtkAdjustment *hadjustment,
567 GtkAdjustment *vadjustment)
569 EvView *view = EV_VIEW (layout);
571 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
572 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
574 on_adjustment_value_changed (NULL, view);
578 add_scroll_binding_keypad (GtkBindingSet *binding_set,
580 GdkModifierType modifiers,
581 GtkScrollType scroll,
584 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
586 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
587 "binding_activated", 2,
588 GTK_TYPE_SCROLL_TYPE, scroll,
589 G_TYPE_BOOLEAN, horizontal);
590 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
591 "binding_activated", 2,
592 GTK_TYPE_SCROLL_TYPE, scroll,
593 G_TYPE_BOOLEAN, horizontal);
597 ev_view_scroll (EvView *view,
598 GtkScrollType scroll,
601 GtkAdjustment *adjustment;
602 double value, increment;
603 gboolean first_page = FALSE;
604 gboolean last_page = FALSE;
606 view->jump_to_find_result = FALSE;
608 if (view->presentation || view->sizing_mode == EV_SIZING_BEST_FIT) {
610 case GTK_SCROLL_PAGE_BACKWARD:
611 case GTK_SCROLL_STEP_BACKWARD:
612 ev_view_previous_page (view);
614 case GTK_SCROLL_PAGE_FORWARD:
615 case GTK_SCROLL_STEP_FORWARD:
616 ev_view_next_page (view);
624 /* Assign values for increment and vertical adjustment */
625 adjustment = horizontal ? view->hadjustment : view->vadjustment;
626 increment = adjustment->page_size * 0.75;
627 value = adjustment->value;
629 /* Assign boolean for first and last page */
630 if (view->current_page == 0)
632 if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1)
636 case GTK_SCROLL_PAGE_BACKWARD:
637 /* Do not jump backwards if at the first page */
638 if (value == (adjustment->lower) && first_page) {
640 /* At the top of a page, assign the upper bound limit of previous page */
641 } else if (value == (adjustment->lower)) {
642 value = adjustment->upper - adjustment->page_size;
643 ev_view_previous_page (view);
644 /* Jump to the top */
646 value = MAX (value - increment, adjustment->lower);
649 case GTK_SCROLL_PAGE_FORWARD:
650 /* Do not jump forward if at the last page */
651 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
653 /* At the bottom of a page, assign the lower bound limit of next page */
654 } else if (value == (adjustment->upper - adjustment->page_size)) {
656 ev_view_next_page (view);
657 /* Jump to the bottom */
659 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
662 case GTK_SCROLL_STEP_BACKWARD:
663 value -= adjustment->step_increment;
665 case GTK_SCROLL_STEP_FORWARD:
666 value += adjustment->step_increment;
668 case GTK_SCROLL_STEP_DOWN:
669 value -= adjustment->step_increment / 10;
671 case GTK_SCROLL_STEP_UP:
672 value += adjustment->step_increment / 10;
678 value = CLAMP (value, adjustment->lower,
679 adjustment->upper - adjustment->page_size);
681 gtk_adjustment_set_value (adjustment, value);
687 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
689 GtkWidget *widget = GTK_WIDGET (view);
690 GtkAdjustment *adjustment;
693 view->pending_scroll = SCROLL_TO_FIND_LOCATION;
695 adjustment = view->vadjustment;
697 if (rect->y < adjustment->value) {
698 value = MAX (adjustment->lower, rect->y - MARGIN);
699 gtk_adjustment_set_value (view->vadjustment, value);
700 } else if (rect->y + rect->height >
701 adjustment->value + widget->allocation.height) {
702 value = MIN (adjustment->upper, rect->y + rect->height -
703 widget->allocation.height + MARGIN);
704 gtk_adjustment_set_value (view->vadjustment, value);
707 adjustment = view->hadjustment;
709 if (rect->x < adjustment->value) {
710 value = MAX (adjustment->lower, rect->x - MARGIN);
711 gtk_adjustment_set_value (view->hadjustment, value);
712 } else if (rect->x + rect->height >
713 adjustment->value + widget->allocation.width) {
714 value = MIN (adjustment->upper, rect->x + rect->width -
715 widget->allocation.width + MARGIN);
716 gtk_adjustment_set_value (view->hadjustment, value);
719 gtk_widget_queue_resize (GTK_WIDGET (view));
722 /*** Geometry computations ***/
725 compute_border (EvView *view, int width, int height, GtkBorder *border)
727 if (view->presentation) {
733 ev_document_misc_get_page_border_size (width, height, border);
738 get_page_y_offset (EvView *view, int page, double zoom, int *y_offset)
740 int max_width, offset;
743 g_return_if_fail (y_offset != NULL);
745 ev_page_cache_get_max_width (view->page_cache, view->rotation, zoom, &max_width);
747 compute_border (view, max_width, max_width, &border);
749 if (view->dual_page) {
750 ev_page_cache_get_height_to_page (view->page_cache, page,
751 view->rotation, zoom, NULL, &offset);
752 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);
754 ev_page_cache_get_height_to_page (view->page_cache, page,
755 view->rotation, zoom, &offset, NULL);
756 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
764 get_page_extents (EvView *view,
766 GdkRectangle *page_area,
772 widget = GTK_WIDGET (view);
774 /* Get the size of the page */
775 ev_page_cache_get_size (view->page_cache, page,
779 compute_border (view, width, height, border);
780 page_area->width = width + border->left + border->right;
781 page_area->height = height + border->top + border->bottom;
783 if (view->presentation) {
784 page_area->x = (MAX (0, widget->allocation.width - width))/2;
785 page_area->y = (MAX (0, widget->allocation.height - height))/2;
786 } else if (view->continuous) {
790 ev_page_cache_get_max_width (view->page_cache, view->rotation,
791 view->scale, &max_width);
792 max_width = max_width + border->left + border->right;
793 /* Get the location of the bounding box */
794 if (view->dual_page) {
795 x = view->spacing + ((page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? 0 : 1) * (max_width + view->spacing);
796 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
797 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
798 x = x + (max_width - width - border->left - border->right);
801 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
804 get_page_y_offset (view, page, view->scale, &y);
810 if (view->dual_page) {
811 gint width_2, height_2;
812 gint max_width = width;
813 gint max_height = height;
814 GtkBorder overall_border;
817 other_page = (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? page + 1: page - 1;
819 /* First, we get the bounding box of the two pages */
820 if (other_page < ev_page_cache_get_n_pages (view->page_cache)
821 && (0 <= other_page)) {
822 ev_page_cache_get_size (view->page_cache,
826 &width_2, &height_2);
829 if (height_2 > height)
830 max_height = height_2;
832 compute_border (view, max_width, max_height, &overall_border);
834 /* Find the offsets */
838 /* Adjust for being the left or right page */
839 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
840 x = x + max_width - width;
842 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
844 y = y + (max_height - height)/2;
846 /* Adjust for extra allocation */
847 x = x + MAX (0, widget->allocation.width -
848 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
849 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
854 /* Adjust for extra allocation */
855 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
856 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
867 view_point_to_doc_point (EvView *view,
868 GdkPoint *view_point,
869 GdkRectangle *page_area,
873 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
874 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
878 view_rect_to_doc_rect (EvView *view,
879 GdkRectangle *view_rect,
880 GdkRectangle *page_area,
881 EvRectangle *doc_rect)
883 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
884 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
885 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
886 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
890 doc_point_to_view_point (EvView *view,
893 GdkPoint *view_point)
895 GdkRectangle page_area;
897 double x, y, view_x, view_y;
900 ev_page_cache_get_size (view->page_cache, page,
905 if (view->rotation == 0) {
908 } else if (view->rotation == 90) {
909 x = width - doc_point->y;
911 } else if (view->rotation == 180) {
912 x = width - doc_point->x;
913 y = height - doc_point->y;
914 } else if (view->rotation == 270) {
916 y = height - doc_point->x;
918 g_assert_not_reached ();
921 get_page_extents (view, page, &page_area, &border);
923 view_x = x * view->scale;
924 view_y = y * view->scale;
925 view_point->x = view_x + page_area.x;
926 view_point->y = view_y + page_area.y;
928 return (view_x > 0 && view_x <= page_area.width &&
929 view_y > 0 && view_y <= page_area.height);
933 doc_rect_to_view_rect (EvView *view,
935 EvRectangle *doc_rect,
936 GdkRectangle *view_rect)
938 GdkRectangle page_area;
943 ev_page_cache_get_size (view->page_cache, page,
948 if (view->rotation == 0) {
951 w = doc_rect->x2 - doc_rect->x1;
952 h = doc_rect->y2 - doc_rect->y1;
953 } else if (view->rotation == 90) {
954 x = width - doc_rect->y2;
956 w = doc_rect->y2 - doc_rect->y1;
957 h = doc_rect->x2 - doc_rect->x1;
958 } else if (view->rotation == 180) {
959 x = width - doc_rect->x2;
960 y = height - doc_rect->y2;
961 w = doc_rect->x2 - doc_rect->x1;
962 h = doc_rect->y2 - doc_rect->y1;
963 } else if (view->rotation == 270) {
965 y = height - doc_rect->x2;
966 w = doc_rect->y2 - doc_rect->y1;
967 h = doc_rect->x2 - doc_rect->x1;
969 g_assert_not_reached ();
972 get_page_extents (view, page, &page_area, &border);
974 view_rect->x = x * view->scale + page_area.x;
975 view_rect->y = y * view->scale + page_area.y;
976 view_rect->width = w * view->scale;
977 view_rect->height = h * view->scale;
981 find_page_at_location (EvView *view,
990 if (view->document == NULL)
997 for (i = view->start_page; i <= view->end_page; i++) {
998 GdkRectangle page_area;
1001 if (! get_page_extents (view, i, &page_area, &border))
1004 if ((x >= page_area.x + border.left) &&
1005 (x < page_area.x + page_area.width - border.right) &&
1006 (y >= page_area.y + border.top) &&
1007 (y < page_area.y + page_area.height - border.bottom)) {
1009 *x_offset = x - (page_area.x + border.left);
1010 *y_offset = y - (page_area.y + border.top);
1019 location_in_text (EvView *view,
1025 gint x_offset = 0, y_offset = 0;
1027 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1032 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
1035 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1041 ev_view_get_width (EvView *view)
1043 return GTK_WIDGET (view)->allocation.width;
1047 ev_view_get_height (EvView *view)
1049 return GTK_WIDGET (view)->allocation.height;
1053 location_in_selected_text (EvView *view,
1058 gint x_offset = 0, y_offset = 0;
1059 EvViewSelection *selection;
1062 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1063 selection = (EvViewSelection *)l->data;
1065 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1067 if (page != selection->page)
1070 if (selection->covered_region &&
1071 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1079 get_doc_point_from_offset (EvView *view,
1089 ev_page_cache_get_size (view->page_cache, page,
1094 x_offset = x_offset / view->scale;
1095 y_offset = y_offset / view->scale;
1097 if (view->rotation == 0) {
1100 } else if (view->rotation == 90) {
1102 y = width - x_offset;
1103 } else if (view->rotation == 180) {
1104 x = width - x_offset;
1105 y = height - y_offset;
1106 } else if (view->rotation == 270) {
1107 x = height - y_offset;
1110 g_assert_not_reached ();
1121 ev_view_get_link_at_location (EvView *view,
1126 gint x_offset = 0, y_offset = 0;
1127 gint x_new = 0, y_new = 0;
1128 GList *link_mapping;
1130 if (!EV_IS_DOCUMENT_LINKS (view->document))
1133 x += view->scroll_x;
1134 y += view->scroll_y;
1136 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1142 if (get_doc_point_from_offset (view, page, x_offset,
1143 y_offset, &x_new, &y_new) == FALSE)
1146 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1149 return ev_link_mapping_find (link_mapping, x_new, y_new);
1155 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1158 gdouble zoom, left, top;
1159 gboolean change_left, change_top;
1161 left = ev_link_dest_get_left (dest, &change_left);
1162 top = ev_link_dest_get_top (dest, &change_top);
1164 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - left,
1165 ev_link_dest_get_bottom (dest) - top,
1166 ev_view_get_width (view),
1167 ev_view_get_height (view), 0, 0);
1169 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1170 ev_view_set_zoom (view, zoom, FALSE);
1172 doc_point.x = change_left ? left : 0;
1173 doc_point.y = change_top ? top : 0;
1175 view->current_page = ev_link_dest_get_page (dest);
1176 if (change_left || change_top)
1177 view->pending_point = doc_point;
1178 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1180 gtk_widget_queue_resize (GTK_WIDGET (view));
1184 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1187 int doc_width, doc_height, page;
1189 gboolean change_left;
1191 page = ev_link_dest_get_page (dest);
1192 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1194 left = ev_link_dest_get_left (dest, &change_left);
1195 doc_point.x = change_left ? left : 0;
1198 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1199 ev_view_get_width (view),
1200 ev_view_get_height (view), 0);
1202 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1203 ev_view_set_zoom (view, zoom, FALSE);
1205 view->current_page = page;
1207 view->pending_point = doc_point;
1208 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1210 gtk_widget_queue_resize (GTK_WIDGET (view));
1214 goto_fith_dest (EvView *view, EvLinkDest *dest)
1217 int doc_width, doc_height, page;
1219 gboolean change_top;
1221 page = ev_link_dest_get_page (dest);
1222 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1224 top = ev_link_dest_get_top (dest, &change_top);
1227 doc_point.y = change_top ? top : 0;
1229 zoom = zoom_for_size_fit_width (doc_width, top,
1230 ev_view_get_width (view),
1231 ev_view_get_height (view), 0);
1233 ev_view_set_sizing_mode (view, EV_SIZING_FIT_WIDTH);
1234 ev_view_set_zoom (view, zoom, FALSE);
1236 view->current_page = page;
1238 view->pending_point = doc_point;
1239 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1241 gtk_widget_queue_resize (GTK_WIDGET (view));
1245 goto_fit_dest (EvView *view, EvLinkDest *dest)
1248 int doc_width, doc_height;
1251 page = ev_link_dest_get_page (dest);
1252 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1254 zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view),
1255 ev_view_get_height (view), 0, 0);
1257 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
1258 ev_view_set_zoom (view, zoom, FALSE);
1260 view->current_page = page;
1261 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1263 gtk_widget_queue_resize (GTK_WIDGET (view));
1267 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1271 gdouble zoom, left, top;
1272 gboolean change_zoom, change_left, change_top;
1274 zoom = ev_link_dest_get_zoom (dest, &change_zoom);
1275 page = ev_link_dest_get_page (dest);
1277 if (change_zoom && zoom > 1) {
1278 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1279 ev_view_set_zoom (view, zoom, FALSE);
1282 left = ev_link_dest_get_left (dest, &change_left);
1283 top = ev_link_dest_get_top (dest, &change_top);
1285 doc_point.x = change_left ? left : 0;
1286 doc_point.y = change_top ? top : 0;
1288 view->current_page = page;
1289 if (change_left || change_top)
1290 view->pending_point = doc_point;
1291 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1293 gtk_widget_queue_resize (GTK_WIDGET (view));
1297 goto_dest (EvView *view, EvLinkDest *dest)
1299 EvLinkDestType type;
1300 int page, n_pages, current_page;
1302 page = ev_link_dest_get_page (dest);
1303 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1305 if (page < 0 || page >= n_pages)
1308 current_page = view->current_page;
1310 type = ev_link_dest_get_dest_type (dest);
1313 case EV_LINK_DEST_TYPE_PAGE:
1314 ev_page_cache_set_current_page (view->page_cache, page);
1316 case EV_LINK_DEST_TYPE_FIT:
1317 goto_fit_dest (view, dest);
1319 case EV_LINK_DEST_TYPE_FITH:
1320 goto_fith_dest (view, dest);
1322 case EV_LINK_DEST_TYPE_FITV:
1323 goto_fitv_dest (view, dest);
1325 case EV_LINK_DEST_TYPE_FITR:
1326 goto_fitr_dest (view, dest);
1328 case EV_LINK_DEST_TYPE_XYZ:
1329 goto_xyz_dest (view, dest);
1331 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1332 ev_page_cache_set_page_label (view->page_cache, ev_link_dest_get_page_label (dest));
1335 g_assert_not_reached ();
1338 if (current_page != view->current_page)
1339 ev_page_cache_set_current_page (view->page_cache,
1340 view->current_page);
1344 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1346 EvLinkDestType type;
1348 type = ev_link_dest_get_dest_type (dest);
1350 if (type == EV_LINK_DEST_TYPE_NAMED) {
1352 const gchar *named_dest;
1354 named_dest = ev_link_dest_get_named_dest (dest);
1355 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1358 goto_dest (view, dest2);
1359 g_object_unref (dest2);
1365 goto_dest (view, dest);
1369 ev_view_handle_link (EvView *view, EvLink *link)
1371 EvLinkAction *action = NULL;
1372 EvLinkActionType type;
1374 action = ev_link_get_action (link);
1378 type = ev_link_action_get_action_type (action);
1381 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1384 g_signal_emit (view, signals[SIGNAL_HANDLE_LINK], 0, link);
1386 dest = ev_link_action_get_dest (action);
1387 ev_view_goto_dest (view, dest);
1390 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1391 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1392 case EV_LINK_ACTION_TYPE_LAUNCH:
1393 case EV_LINK_ACTION_TYPE_NAMED:
1394 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1400 ev_view_page_label_from_dest (EvView *view, EvLinkDest *dest)
1402 EvLinkDestType type;
1405 type = ev_link_dest_get_dest_type (dest);
1408 case EV_LINK_DEST_TYPE_NAMED: {
1410 const gchar *named_dest;
1412 named_dest = ev_link_dest_get_named_dest (dest);
1413 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1416 msg = ev_page_cache_get_page_label (view->page_cache,
1417 ev_link_dest_get_page (dest2));
1418 g_object_unref (dest2);
1423 case EV_LINK_DEST_TYPE_PAGE_LABEL: {
1424 msg = g_strdup (ev_link_dest_get_page_label (dest));
1428 msg = ev_page_cache_get_page_label (view->page_cache,
1429 ev_link_dest_get_page (dest));
1436 tip_from_action_named (EvLinkAction *action)
1438 const gchar *name = ev_link_action_get_name (action);
1440 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1441 return g_strdup (_("Go to first page"));
1442 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1443 return g_strdup (_("Go to previous page"));
1444 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1445 return g_strdup (_("Go to next page"));
1446 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1447 return g_strdup (_("Go to last page"));
1448 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1449 return g_strdup (_("Go to page"));
1450 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1451 return g_strdup (_("Find"));
1458 tip_from_link (EvView *view, EvLink *link)
1460 EvLinkAction *action;
1461 EvLinkActionType type;
1466 action = ev_link_get_action (link);
1467 title = ev_link_get_title (link);
1470 return title ? g_strdup (title) : NULL;
1472 type = ev_link_action_get_action_type (action);
1475 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1476 page_label = ev_view_page_label_from_dest (view,
1477 ev_link_action_get_dest (action));
1479 msg = g_strdup_printf (_("Go to page %s"), page_label);
1480 g_free (page_label);
1483 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1485 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1486 ev_link_action_get_filename (action));
1488 msg = g_strdup_printf (_("Go to file “%s”"),
1489 ev_link_action_get_filename (action));
1492 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1493 msg = g_strdup (ev_link_action_get_uri (action));
1495 case EV_LINK_ACTION_TYPE_LAUNCH:
1496 msg = g_strdup_printf (_("Launch %s"),
1497 ev_link_action_get_filename (action));
1499 case EV_LINK_ACTION_TYPE_NAMED:
1500 msg = tip_from_action_named (action);
1504 msg = g_strdup (title);
1512 ev_view_handle_cursor_over_xy (EvView *view, gint x, gint y)
1516 EvAnnotation *annot = NULL;
1518 if (view->cursor == EV_VIEW_CURSOR_HIDDEN)
1521 if (view->drag_info.in_drag) {
1522 if (view->cursor != EV_VIEW_CURSOR_DRAG)
1523 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1527 if (view->scroll_info.autoscrolling) {
1528 if (view->cursor != EV_VIEW_CURSOR_AUTOSCROLL)
1529 ev_view_set_cursor (view, EV_VIEW_CURSOR_AUTOSCROLL);
1533 link = ev_view_get_link_at_location (view, x, y);
1535 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1536 } else if ((field = ev_view_get_form_field_at_location (view, x, y))) {
1537 if (field->is_read_only) {
1538 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1539 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1540 view->cursor == EV_VIEW_CURSOR_DRAG)
1541 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1542 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
1543 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1545 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1547 } else if ((annot = ev_view_get_annotation_at_location (view, x, y))) {
1548 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1549 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1550 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1552 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1553 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1554 view->cursor == EV_VIEW_CURSOR_DRAG ||
1555 view->cursor == EV_VIEW_CURSOR_AUTOSCROLL)
1556 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1560 g_object_set (view, "has-tooltip", TRUE, NULL);
1565 ev_view_get_image_at_location (EvView *view,
1570 gint x_offset = 0, y_offset = 0;
1571 gint x_new = 0, y_new = 0;
1572 GList *image_mapping;
1574 if (!EV_IS_DOCUMENT_IMAGES (view->document))
1577 x += view->scroll_x;
1578 y += view->scroll_y;
1580 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1585 if (get_doc_point_from_offset (view, page, x_offset,
1586 y_offset, &x_new, &y_new) == FALSE)
1589 image_mapping = ev_pixbuf_cache_get_image_mapping (view->pixbuf_cache, page);
1592 return ev_image_mapping_find (image_mapping, x_new, y_new);
1598 static EvFormField *
1599 ev_view_get_form_field_at_location (EvView *view,
1604 gint x_offset = 0, y_offset = 0;
1605 gint x_new = 0, y_new = 0;
1606 GList *forms_mapping;
1608 if (!EV_IS_DOCUMENT_FORMS (view->document))
1611 x += view->scroll_x;
1612 y += view->scroll_y;
1614 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1619 if (get_doc_point_from_offset (view, page, x_offset,
1620 y_offset, &x_new, &y_new) == FALSE)
1623 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, page);
1626 return ev_form_field_mapping_find (forms_mapping, x_new, y_new);
1632 ev_view_form_field_get_region (EvView *view,
1635 EvRectangle field_area;
1636 GdkRectangle view_area;
1637 GList *forms_mapping;
1639 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
1640 field->page->index);
1641 ev_form_field_mapping_get_area (forms_mapping, field, &field_area);
1642 doc_rect_to_view_rect (view, field->page->index, &field_area, &view_area);
1643 view_area.x -= view->scroll_x;
1644 view_area.y -= view->scroll_y;
1646 return gdk_region_rectangle (&view_area);
1650 ev_view_forms_remove_widgets (EvView *view)
1652 ev_view_remove_all (view);
1658 ev_view_form_field_destroy (GtkWidget *widget,
1661 g_idle_add ((GSourceFunc)ev_view_forms_remove_widgets, view);
1665 ev_view_form_field_button_create_widget (EvView *view,
1668 EvFormFieldButton *field_button = EV_FORM_FIELD_BUTTON (field);
1669 GdkRegion *field_region = NULL;
1671 switch (field_button->type) {
1672 case EV_FORM_FIELD_BUTTON_PUSH:
1674 case EV_FORM_FIELD_BUTTON_CHECK:
1675 case EV_FORM_FIELD_BUTTON_RADIO: {
1677 GList *forms_mapping, *l;
1679 state = ev_document_forms_form_field_button_get_state (EV_DOCUMENT_FORMS (view->document),
1682 /* FIXME: it actually depends on NoToggleToOff flags */
1683 if (field_button->type == EV_FORM_FIELD_BUTTON_RADIO &&
1684 state && field_button->state)
1687 field_region = ev_view_form_field_get_region (view, field);
1689 /* For radio buttons and checkbox buttons that are in a set
1690 * we need to update also the region for the current selected item
1692 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
1693 field->page->index);
1694 for (l = forms_mapping; l; l = g_list_next (l)) {
1695 EvFormField *button = ((EvFormFieldMapping *)(l->data))->field;
1696 GdkRegion *button_region;
1698 if (button->id == field->id)
1701 /* FIXME: only buttons in the same group should be updated */
1702 if (!EV_IS_FORM_FIELD_BUTTON (button) ||
1703 EV_FORM_FIELD_BUTTON (button)->type != field_button->type ||
1704 EV_FORM_FIELD_BUTTON (button)->state != TRUE)
1707 button_region = ev_view_form_field_get_region (view, button);
1708 gdk_region_union (field_region, button_region);
1709 gdk_region_destroy (button_region);
1712 ev_document_forms_form_field_button_set_state (EV_DOCUMENT_FORMS (view->document),
1714 field_button->state = !state;
1719 ev_view_reload_page (view, field->page->index, field_region);
1720 gdk_region_destroy (field_region);
1726 ev_view_form_field_text_save (EvView *view,
1731 if (!view->document)
1734 field = g_object_get_data (G_OBJECT (widget), "form-field");
1736 if (field->changed) {
1737 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1738 GdkRegion *field_region;
1740 field_region = ev_view_form_field_get_region (view, field);
1742 ev_document_forms_form_field_text_set_text (EV_DOCUMENT_FORMS (view->document),
1743 field, field_text->text);
1744 field->changed = FALSE;
1745 ev_view_reload_page (view, field->page->index, field_region);
1746 gdk_region_destroy (field_region);
1751 ev_view_form_field_text_changed (GtkWidget *widget,
1754 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1757 if (GTK_IS_ENTRY (widget)) {
1758 text = g_strdup (gtk_entry_get_text (GTK_ENTRY (widget)));
1759 } else if (GTK_IS_TEXT_BUFFER (widget)) {
1760 GtkTextIter start, end;
1762 gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (widget), &start, &end);
1763 text = gtk_text_buffer_get_text (GTK_TEXT_BUFFER (widget),
1764 &start, &end, FALSE);
1767 if (!field_text->text ||
1768 (field_text->text && g_ascii_strcasecmp (field_text->text, text) != 0)) {
1769 g_free (field_text->text);
1770 field_text->text = text;
1771 field->changed = TRUE;
1776 ev_view_form_field_text_create_widget (EvView *view,
1779 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1780 GtkWidget *text = NULL;
1783 txt = ev_document_forms_form_field_text_get_text (EV_DOCUMENT_FORMS (view->document),
1786 switch (field_text->type) {
1787 case EV_FORM_FIELD_TEXT_FILE_SELECT:
1789 case EV_FORM_FIELD_TEXT_NORMAL:
1790 text = gtk_entry_new ();
1791 gtk_entry_set_has_frame (GTK_ENTRY (text), FALSE);
1792 gtk_entry_set_max_length (GTK_ENTRY (text), field_text->max_len);
1793 gtk_entry_set_visibility (GTK_ENTRY (text), !field_text->is_password);
1796 gtk_entry_set_text (GTK_ENTRY (text), txt);
1800 g_signal_connect (text, "changed",
1801 G_CALLBACK (ev_view_form_field_text_changed),
1803 g_signal_connect_after (text, "activate",
1804 G_CALLBACK (ev_view_form_field_destroy),
1807 case EV_FORM_FIELD_TEXT_MULTILINE: {
1808 GtkTextBuffer *buffer;
1810 text = gtk_text_view_new ();
1811 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text));
1814 gtk_text_buffer_set_text (buffer, txt, -1);
1818 g_signal_connect (buffer, "changed",
1819 G_CALLBACK (ev_view_form_field_text_changed),
1825 g_object_weak_ref (G_OBJECT (text),
1826 (GWeakNotify)ev_view_form_field_text_save,
1833 ev_view_form_field_choice_save (EvView *view,
1838 if (!view->document)
1841 field = g_object_get_data (G_OBJECT (widget), "form-field");
1843 if (field->changed) {
1845 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
1846 GdkRegion *field_region;
1848 field_region = ev_view_form_field_get_region (view, field);
1850 if (field_choice->is_editable) {
1851 ev_document_forms_form_field_choice_set_text (EV_DOCUMENT_FORMS (view->document),
1852 field, field_choice->text);
1854 ev_document_forms_form_field_choice_unselect_all (EV_DOCUMENT_FORMS (view->document), field);
1855 for (l = field_choice->selected_items; l; l = g_list_next (l)) {
1856 ev_document_forms_form_field_choice_select_item (EV_DOCUMENT_FORMS (view->document),
1858 GPOINTER_TO_INT (l->data));
1861 field->changed = FALSE;
1862 ev_view_reload_page (view, field->page->index, field_region);
1863 gdk_region_destroy (field_region);
1868 ev_view_form_field_choice_changed (GtkWidget *widget,
1871 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
1873 if (GTK_IS_COMBO_BOX (widget)) {
1876 item = gtk_combo_box_get_active (GTK_COMBO_BOX (widget));
1877 if (!field_choice->selected_items ||
1878 GPOINTER_TO_INT (field_choice->selected_items->data) != item) {
1879 g_list_free (field_choice->selected_items);
1880 field_choice->selected_items = NULL;
1881 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1882 GINT_TO_POINTER (item));
1883 field->changed = TRUE;
1886 if (GTK_IS_COMBO_BOX_ENTRY (widget)) {
1889 text = gtk_combo_box_get_active_text (GTK_COMBO_BOX (widget));
1890 if (!field_choice->text ||
1891 (field_choice->text && g_ascii_strcasecmp (field_choice->text, text) != 0)) {
1892 g_free (field_choice->text);
1893 field_choice->text = text;
1894 field->changed = TRUE;
1897 } else if (GTK_IS_TREE_SELECTION (widget)) {
1898 GtkTreeSelection *selection = GTK_TREE_SELECTION (widget);
1899 GtkTreeModel *model;
1902 items = gtk_tree_selection_get_selected_rows (selection, &model);
1903 g_list_free (field_choice->selected_items);
1904 field_choice->selected_items = NULL;
1906 for (l = items; l && l->data; l = g_list_next (l)) {
1908 GtkTreePath *path = (GtkTreePath *)l->data;
1911 gtk_tree_model_get_iter (model, &iter, path);
1912 gtk_tree_model_get (model, &iter, 1, &item, -1);
1914 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1915 GINT_TO_POINTER (item));
1917 gtk_tree_path_free (path);
1920 g_list_free (items);
1922 field->changed = TRUE;
1927 ev_view_form_field_choice_create_widget (EvView *view,
1930 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
1932 GtkTreeModel *model;
1934 gint selected_item = 0;
1936 n_items = ev_document_forms_form_field_choice_get_n_items (EV_DOCUMENT_FORMS (view->document),
1938 model = GTK_TREE_MODEL (gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT));
1939 for (i = 0; i < n_items; i++) {
1943 item = ev_document_forms_form_field_choice_get_item (EV_DOCUMENT_FORMS (view->document),
1945 if (ev_document_forms_form_field_choice_is_item_selected (
1946 EV_DOCUMENT_FORMS (view->document), field, i)) {
1948 /* FIXME: we need a get_selected_items function in poppler */
1949 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1950 GINT_TO_POINTER (i));
1954 gtk_list_store_append (GTK_LIST_STORE (model), &iter);
1955 gtk_list_store_set (GTK_LIST_STORE (model), &iter,
1963 if (field_choice->type == EV_FORM_FIELD_CHOICE_LIST) {
1964 GtkCellRenderer *renderer;
1965 GtkWidget *tree_view;
1966 GtkTreeSelection *selection;
1968 tree_view = gtk_tree_view_new_with_model (model);
1969 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);
1971 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
1972 if (field_choice->multi_select) {
1973 gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
1976 /* TODO: set selected items */
1978 renderer = gtk_cell_renderer_text_new ();
1979 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
1985 choice = gtk_scrolled_window_new (NULL, NULL);
1986 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (choice),
1987 GTK_POLICY_AUTOMATIC,
1988 GTK_POLICY_AUTOMATIC);
1989 gtk_container_add (GTK_CONTAINER (choice), tree_view);
1990 gtk_widget_show (tree_view);
1992 g_signal_connect (selection, "changed",
1993 G_CALLBACK (ev_view_form_field_choice_changed),
1995 g_signal_connect_after (selection, "changed",
1996 G_CALLBACK (ev_view_form_field_destroy),
1998 } else if (field_choice->is_editable) { /* ComboBoxEntry */
2001 choice = gtk_combo_box_entry_new_with_model (model, 0);
2002 text = ev_document_forms_form_field_choice_get_text (EV_DOCUMENT_FORMS (view->document), field);
2004 gtk_entry_set_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (choice))), text);
2008 g_signal_connect (choice, "changed",
2009 G_CALLBACK (ev_view_form_field_choice_changed),
2011 g_signal_connect_after (GTK_BIN(choice)->child, "activate",
2012 G_CALLBACK (ev_view_form_field_destroy),
2014 } else { /* ComboBoxText */
2015 GtkCellRenderer *renderer;
2017 choice = gtk_combo_box_new_with_model (model);
2018 renderer = gtk_cell_renderer_text_new ();
2019 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (choice),
2021 gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (choice),
2025 gtk_combo_box_set_active (GTK_COMBO_BOX (choice), selected_item);
2026 gtk_combo_box_popup (GTK_COMBO_BOX (choice));
2028 g_signal_connect (choice, "changed",
2029 G_CALLBACK (ev_view_form_field_choice_changed),
2031 g_signal_connect_after (choice, "changed",
2032 G_CALLBACK (ev_view_form_field_destroy),
2036 g_object_unref (model);
2038 g_object_weak_ref (G_OBJECT (choice),
2039 (GWeakNotify)ev_view_form_field_choice_save,
2046 ev_view_handle_form_field (EvView *view,
2051 GtkWidget *field_widget = NULL;
2052 GList *form_field_mapping;
2053 EvRectangle field_area;
2054 GdkRectangle view_area;
2056 if (field->is_read_only)
2059 if (EV_IS_FORM_FIELD_BUTTON (field)) {
2060 field_widget = ev_view_form_field_button_create_widget (view, field);
2061 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
2062 field_widget = ev_view_form_field_text_create_widget (view, field);
2063 } else if (EV_IS_FORM_FIELD_CHOICE (field)) {
2064 field_widget = ev_view_form_field_choice_create_widget (view, field);
2065 } else if (EV_IS_FORM_FIELD_SIGNATURE (field)) {
2069 /* Form field doesn't require a widget */
2073 g_object_set_data_full (G_OBJECT (field_widget), "form-field",
2074 g_object_ref (field),
2075 (GDestroyNotify)g_object_unref);
2077 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, field->page->index);
2078 ev_form_field_mapping_get_area (form_field_mapping, field, &field_area);
2080 doc_rect_to_view_rect (view, field->page->index, &field_area, &view_area);
2081 view_area.x -= view->scroll_x;
2082 view_area.y -= view->scroll_y;
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 EvAnnotationMapping *annotation_mapping;
2307 EvAnnotation *annot;
2308 EvViewWindowChild *child;
2310 EvRectangle *doc_rect;
2311 GdkRectangle view_rect;
2313 annotation_mapping = (EvAnnotationMapping *)l->data;
2314 annot = annotation_mapping->annotation;
2316 if (!EV_IS_ANNOTATION_MARKUP (annot))
2319 window = g_object_get_data (G_OBJECT (annot), "popup");
2321 ev_view_window_child_move_with_parent (view, window);
2325 /* Look if we already have a popup for this annot */
2326 child = ev_view_find_window_child_for_annot (view, page, annot);
2327 window = child ? child->window : NULL;
2329 ev_annotation_window_set_annotation (EV_ANNOTATION_WINDOW (window), annot);
2330 g_object_set_data (G_OBJECT (annot), "popup", window);
2331 ev_view_window_child_move_with_parent (view, window);
2333 window = ev_annotation_window_new (annot, parent);
2334 g_signal_connect (window, "grab_focus",
2335 G_CALLBACK (annotation_window_grab_focus),
2337 g_signal_connect (window, "closed",
2338 G_CALLBACK (annotation_window_closed),
2340 g_signal_connect (window, "moved",
2341 G_CALLBACK (annotation_window_moved),
2343 g_object_set_data (G_OBJECT (annot), "popup", window);
2345 doc_rect = (EvRectangle *)ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (window));
2346 doc_rect_to_view_rect (view, page, doc_rect, &view_rect);
2347 view_rect.x -= view->scroll_x;
2348 view_rect.y -= view->scroll_y;
2350 ev_view_window_child_put (view, window, page,
2351 view_rect.x, view_rect.y,
2352 doc_rect->x1, doc_rect->y1);
2354 g_object_weak_ref (G_OBJECT (annot),
2355 (GWeakNotify)ev_view_annotation_save,
2362 hide_annotation_windows (EvView *view,
2367 annots = ev_pixbuf_cache_get_annots_mapping (view->pixbuf_cache, page);
2369 for (l = annots; l && l->data; l = g_list_next (l)) {
2370 EvAnnotationMapping *annotation_mapping;
2371 EvAnnotation *annot;
2374 annotation_mapping = (EvAnnotationMapping *)l->data;
2375 annot = annotation_mapping->annotation;
2377 if (!EV_IS_ANNOTATION_MARKUP (annot))
2380 window = g_object_get_data (G_OBJECT (annot), "popup");
2382 gtk_widget_hide (window);
2386 static EvAnnotation *
2387 ev_view_get_annotation_at_location (EvView *view,
2392 gint x_offset = 0, y_offset = 0;
2393 gint x_new = 0, y_new = 0;
2394 GList *annotations_mapping;
2396 if (!EV_IS_DOCUMENT_ANNOTATIONS (view->document))
2399 x += view->scroll_x;
2400 y += view->scroll_y;
2402 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
2407 if (get_doc_point_from_offset (view, page, x_offset,
2408 y_offset, &x_new, &y_new) == FALSE)
2411 annotations_mapping = ev_pixbuf_cache_get_annots_mapping (view->pixbuf_cache, page);
2413 if (annotations_mapping)
2414 return ev_annotation_mapping_find (annotations_mapping, x_new, y_new);
2420 ev_view_handle_annotation (EvView *view,
2421 EvAnnotation *annot,
2425 if (EV_IS_ANNOTATION_MARKUP (annot)) {
2428 window = g_object_get_data (G_OBJECT (annot), "popup");
2430 EvViewWindowChild *child;
2432 child = ev_view_get_window_child (view, window);
2433 if (!child->visible) {
2434 child->visible = TRUE;
2435 ev_view_window_child_move (view, child, child->x, child->y);
2436 gtk_widget_show (window);
2442 /*** GtkWidget implementation ***/
2445 ev_view_size_request_continuous_dual_page (EvView *view,
2446 GtkRequisition *requisition)
2452 ev_page_cache_get_max_width (view->page_cache, view->rotation,
2453 view->scale, &max_width);
2454 compute_border (view, max_width, max_width, &border);
2456 n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1;
2458 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
2459 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
2461 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2462 requisition->width = 1;
2463 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2464 requisition->width = 1;
2465 /* FIXME: This could actually be set on one page docs or docs
2466 * with a strange aspect ratio. */
2467 /* requisition->height = 1;*/
2472 ev_view_size_request_continuous (EvView *view,
2473 GtkRequisition *requisition)
2480 ev_page_cache_get_max_width (view->page_cache, view->rotation,
2481 view->scale, &max_width);
2482 n_pages = ev_page_cache_get_n_pages (view->page_cache);
2483 compute_border (view, max_width, max_width, &border);
2485 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
2486 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
2488 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2489 requisition->width = 1;
2490 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2491 requisition->width = 1;
2492 /* FIXME: This could actually be set on one page docs or docs
2493 * with a strange aspect ratio. */
2494 /* requisition->height = 1;*/
2499 ev_view_size_request_dual_page (EvView *view,
2500 GtkRequisition *requisition)
2505 /* Find the largest of the two. */
2506 ev_page_cache_get_size (view->page_cache,
2511 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) {
2512 gint width_2, height_2;
2513 ev_page_cache_get_size (view->page_cache,
2514 view->current_page + 1,
2517 &width_2, &height_2);
2518 if (width_2 > width) {
2523 compute_border (view, width, height, &border);
2525 requisition->width = ((width + border.left + border.right) * 2) +
2526 (view->spacing * 3);
2527 requisition->height = (height + border.top + border.bottom) +
2528 (view->spacing * 2);
2530 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2531 requisition->width = 1;
2532 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2533 requisition->width = 1;
2534 requisition->height = 1;
2539 ev_view_size_request_single_page (EvView *view,
2540 GtkRequisition *requisition)
2545 ev_page_cache_get_size (view->page_cache,
2550 compute_border (view, width, height, &border);
2552 requisition->width = width + border.left + border.right + (2 * view->spacing);
2553 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2555 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2556 requisition->width = 1;
2557 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2558 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2559 requisition->width = 1;
2560 requisition->height = 1;
2565 ev_view_size_request (GtkWidget *widget,
2566 GtkRequisition *requisition)
2568 EvView *view = EV_VIEW (widget);
2570 if (view->document == NULL) {
2571 requisition->width = 1;
2572 requisition->height = 1;
2576 if (view->presentation) {
2577 requisition->width = 1;
2578 requisition->height = 1;
2582 if (view->continuous && view->dual_page)
2583 ev_view_size_request_continuous_dual_page (view, requisition);
2584 else if (view->continuous)
2585 ev_view_size_request_continuous (view, requisition);
2586 else if (view->dual_page)
2587 ev_view_size_request_dual_page (view, requisition);
2589 ev_view_size_request_single_page (view, requisition);
2593 ev_view_size_allocate (GtkWidget *widget,
2594 GtkAllocation *allocation)
2596 EvView *view = EV_VIEW (widget);
2597 GList *children, *l;
2598 gint root_x, root_y;
2600 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
2602 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2603 view->sizing_mode == EV_SIZING_BEST_FIT) {
2604 g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0);
2605 ev_view_size_request (widget, &widget->requisition);
2608 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
2609 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
2612 view_update_range_and_current_page (view);
2614 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2615 view->pending_resize = FALSE;
2617 children = gtk_container_get_children (GTK_CONTAINER (widget));
2618 for (l = children; l && l->data; l = g_list_next (l)) {
2620 EvRectangle field_area;
2621 GdkRectangle view_area;
2622 GList *form_field_mapping;
2623 GtkAllocation child_allocation;
2624 GtkRequisition child_requisition;
2625 GtkWidget *child = (GtkWidget *)l->data;
2627 field = g_object_get_data (G_OBJECT (child), "form-field");
2631 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
2632 field->page->index);
2633 ev_form_field_mapping_get_area (form_field_mapping, field, &field_area);
2635 doc_rect_to_view_rect (view, field->page->index, &field_area, &view_area);
2636 view_area.x -= view->scroll_x;
2637 view_area.y -= view->scroll_y;
2639 gtk_widget_size_request (child, &child_requisition);
2640 if (child_requisition.width != view_area.width ||
2641 child_requisition.height != view_area.height)
2642 gtk_widget_set_size_request (child, view_area.width, view_area.height);
2644 gtk_container_child_get (GTK_CONTAINER (widget),
2646 "x", &child_allocation.x,
2647 "y", &child_allocation.y,
2649 if (child_allocation.x != view_area.x ||
2650 child_allocation.y != view_area.y) {
2651 gtk_layout_move (GTK_LAYOUT (widget), child, view_area.x, view_area.y);
2654 g_list_free (children);
2656 if (view->window_children)
2657 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2660 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
2661 EvViewWindowChild *child;
2662 EvRectangle doc_rect;
2663 GdkRectangle view_rect;
2665 child = (EvViewWindowChild *)l->data;
2667 doc_rect = *ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (child->window));
2669 doc_rect.x1 = child->orig_x;
2670 doc_rect.y1 = child->orig_y;
2672 doc_rect_to_view_rect (view, child->page, &doc_rect, &view_rect);
2673 view_rect.x -= view->scroll_x;
2674 view_rect.y -= view->scroll_y;
2676 if (view_rect.x != child->orig_x || view_rect.y != child->orig_y) {
2677 child->parent_x = root_x;
2678 child->parent_y = root_y;
2679 ev_view_window_child_move (view, child, view_rect.x + root_x, view_rect.y + root_y);
2685 ev_view_realize (GtkWidget *widget)
2687 EvView *view = EV_VIEW (widget);
2689 if (GTK_WIDGET_CLASS (ev_view_parent_class)->realize)
2690 (* GTK_WIDGET_CLASS (ev_view_parent_class)->realize) (widget);
2692 gdk_window_set_events (view->layout.bin_window,
2693 (gdk_window_get_events (view->layout.bin_window) |
2695 GDK_BUTTON_PRESS_MASK |
2696 GDK_BUTTON_RELEASE_MASK |
2698 GDK_KEY_PRESS_MASK |
2699 GDK_POINTER_MOTION_MASK |
2700 GDK_POINTER_MOTION_HINT_MASK |
2701 GDK_ENTER_NOTIFY_MASK |
2702 GDK_LEAVE_NOTIFY_MASK));
2704 if (view->presentation)
2705 gdk_window_set_background (view->layout.bin_window, &widget->style->black);
2707 gdk_window_set_background (view->layout.bin_window, &widget->style->mid [GTK_STATE_NORMAL]);
2711 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
2713 EvView *view = EV_VIEW (widget);
2716 state = event->state & gtk_accelerator_get_default_mod_mask ();
2718 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
2719 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
2721 if (event->direction == GDK_SCROLL_UP ||
2722 event->direction == GDK_SCROLL_LEFT) {
2723 if (ev_view_can_zoom_in (view)) {
2724 ev_view_zoom_in (view);
2727 if (ev_view_can_zoom_out (view)) {
2728 ev_view_zoom_out (view);
2735 view->jump_to_find_result = FALSE;
2737 /* Shift+Wheel scrolls the in the perpendicular direction */
2738 if (state & GDK_SHIFT_MASK) {
2739 if (event->direction == GDK_SCROLL_UP)
2740 event->direction = GDK_SCROLL_LEFT;
2741 else if (event->direction == GDK_SCROLL_LEFT)
2742 event->direction = GDK_SCROLL_UP;
2743 else if (event->direction == GDK_SCROLL_DOWN)
2744 event->direction = GDK_SCROLL_RIGHT;
2745 else if (event->direction == GDK_SCROLL_RIGHT)
2746 event->direction = GDK_SCROLL_DOWN;
2748 event->state &= ~GDK_SHIFT_MASK;
2749 state &= ~GDK_SHIFT_MASK;
2752 if (state == 0 && view->presentation) {
2753 switch (event->direction) {
2754 case GDK_SCROLL_DOWN:
2755 case GDK_SCROLL_RIGHT:
2756 ev_view_next_page (view);
2759 case GDK_SCROLL_LEFT:
2760 ev_view_previous_page (view);
2770 static EvViewSelection *
2771 find_selection_for_page (EvView *view,
2776 for (list = view->selection_info.selections; list != NULL; list = list->next) {
2777 EvViewSelection *selection;
2779 selection = (EvViewSelection *) list->data;
2781 if (selection->page == page)
2789 draw_end_presentation_page (EvView *view,
2790 GdkRectangle *page_area)
2792 PangoLayout *layout;
2793 PangoFontDescription *font_desc;
2795 const gchar *text = _("End of presentation. Press Escape to exit.");
2797 if (view->presentation_state != EV_PRESENTATION_END)
2800 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), NULL);
2801 markup = g_strdup_printf ("<span foreground=\"white\">%s</span>", text);
2802 pango_layout_set_markup (layout, markup, -1);
2805 font_desc = pango_font_description_new ();
2806 pango_font_description_set_size (font_desc, 16 * PANGO_SCALE);
2807 pango_layout_set_font_description (layout, font_desc);
2809 gtk_paint_layout (GTK_WIDGET (view)->style,
2810 view->layout.bin_window,
2811 GTK_WIDGET_STATE (view),
2820 pango_font_description_free (font_desc);
2821 g_object_unref (layout);
2825 ev_view_expose_event (GtkWidget *widget,
2826 GdkEventExpose *event)
2828 EvView *view = EV_VIEW (widget);
2832 if (view->animation) {
2833 if (ev_transition_animation_ready (view->animation)) {
2834 GdkRectangle page_area;
2837 if (get_page_extents (view, view->current_page, &page_area, &border)) {
2838 cr = gdk_cairo_create (view->layout.bin_window);
2840 /* normalize to x=0, y=0 */
2841 cairo_translate (cr, page_area.x, page_area.y);
2842 page_area.x = page_area.y = 0;
2844 ev_transition_animation_paint (view->animation, cr, page_area);
2852 if (view->presentation) {
2853 switch (view->presentation_state) {
2854 case EV_PRESENTATION_END: {
2855 GdkRectangle area = {0};
2857 area.width = widget->allocation.width;
2858 area.height = widget->allocation.height;
2860 draw_end_presentation_page (view, &area);
2863 case EV_PRESENTATION_BLACK:
2864 case EV_PRESENTATION_WHITE:
2866 case EV_PRESENTATION_NORMAL:
2870 } else if (view->loading) {
2871 GdkRectangle area = {0};
2873 area.width = widget->allocation.width;
2874 area.height = widget->allocation.height;
2876 draw_loading_text (view,
2881 if (view->document == NULL)
2884 cr = gdk_cairo_create (view->layout.bin_window);
2886 for (i = view->start_page; i <= view->end_page; i++) {
2887 GdkRectangle page_area;
2889 gboolean page_ready = TRUE;
2891 if (!get_page_extents (view, i, &page_area, &border))
2894 page_area.x -= view->scroll_x;
2895 page_area.y -= view->scroll_y;
2897 draw_one_page (view, i, cr, &page_area, &border, &(event->area), &page_ready);
2899 if (page_ready && view->find_pages && view->highlight_find_results)
2900 highlight_find_results (view, i);
2901 if (page_ready && EV_IS_DOCUMENT_ANNOTATIONS (view->document))
2902 show_annotation_windows (view, i);
2907 if (GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event)
2908 (* GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) (widget, event);
2914 ev_view_do_popup_menu (EvView *view,
2921 image = ev_view_get_image_at_location (view, x, y);
2923 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, image);
2927 link = ev_view_get_link_at_location (view, x, y);
2929 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
2933 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, NULL);
2939 ev_view_popup_menu (GtkWidget *widget)
2943 gtk_widget_get_pointer (widget, &x, &y);
2944 return ev_view_do_popup_menu (EV_VIEW (widget), x, y);
2948 get_link_area (EvView *view,
2954 EvRectangle ev_rect;
2955 GList *link_mapping;
2957 gint x_offset = 0, y_offset = 0;
2959 x += view->scroll_x;
2960 y += view->scroll_y;
2962 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
2964 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
2965 ev_link_mapping_get_area (link_mapping, link, &ev_rect);
2967 doc_rect_to_view_rect (view, page, &ev_rect, area);
2968 area->y -= view->scroll_y;
2972 get_annot_area (EvView *view,
2975 EvAnnotation *annot,
2978 EvRectangle ev_rect;
2979 GList *annots_mapping;
2981 gint x_offset = 0, y_offset = 0;
2983 x += view->scroll_x;
2984 y += view->scroll_y;
2986 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
2988 annots_mapping = ev_pixbuf_cache_get_annots_mapping (view->pixbuf_cache, page);
2989 ev_annotation_mapping_get_area (annots_mapping, annot, &ev_rect);
2991 doc_rect_to_view_rect (view, page, &ev_rect, area);
2992 area->y -= view->scroll_y;
2996 ev_view_query_tooltip (GtkWidget *widget,
2999 gboolean keyboard_tip,
3000 GtkTooltip *tooltip)
3002 EvView *view = EV_VIEW (widget);
3004 EvAnnotation *annot;
3007 annot = ev_view_get_annotation_at_location (view, x, y);
3008 if (annot && annot->contents) {
3009 GdkRectangle annot_area;
3011 get_annot_area (view, x, y, annot, &annot_area);
3012 gtk_tooltip_set_text (tooltip, annot->contents);
3013 gtk_tooltip_set_tip_area (tooltip, &annot_area);
3018 link = ev_view_get_link_at_location (view, x, y);
3022 text = tip_from_link (view, link);
3023 if (text && g_utf8_validate (text, -1, NULL)) {
3024 GdkRectangle link_area;
3026 get_link_area (view, x, y, link, &link_area);
3027 gtk_tooltip_set_text (tooltip, text);
3028 gtk_tooltip_set_tip_area (tooltip, &link_area);
3036 start_selection_for_event (EvView *view,
3037 GdkEventButton *event)
3039 EvSelectionStyle style;
3041 clear_selection (view);
3043 view->selection_info.start.x = event->x + view->scroll_x;
3044 view->selection_info.start.y = event->y + view->scroll_y;
3046 switch (event->type) {
3047 case GDK_2BUTTON_PRESS:
3048 style = EV_SELECTION_STYLE_WORD;
3050 case GDK_3BUTTON_PRESS:
3051 style = EV_SELECTION_STYLE_LINE;
3054 style = EV_SELECTION_STYLE_GLYPH;
3058 view->selection_info.style = style;
3062 ev_view_button_press_event (GtkWidget *widget,
3063 GdkEventButton *event)
3065 EvView *view = EV_VIEW (widget);
3067 if (!view->document)
3070 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
3071 gtk_widget_grab_focus (widget);
3074 if (view->window_child_focus) {
3075 EvAnnotationWindow *window;
3076 EvAnnotation *annot;
3078 window = EV_ANNOTATION_WINDOW (view->window_child_focus->window);
3079 annot = ev_annotation_window_get_annotation (window);
3080 ev_annotation_window_ungrab_focus (window);
3081 ev_view_annotation_save (view, annot);
3082 view->window_child_focus = NULL;
3085 view->pressed_button = event->button;
3086 view->selection_info.in_drag = FALSE;
3088 if (view->scroll_info.autoscrolling)
3091 switch (event->button) {
3094 EvAnnotation *annot;
3097 if (EV_IS_SELECTION (view->document) && view->selection_info.selections) {
3098 if (event->type == GDK_3BUTTON_PRESS) {
3099 start_selection_for_event (view, event);
3100 } else if (location_in_selected_text (view,
3101 event->x + view->scroll_x,
3102 event->y + view->scroll_y)) {
3103 view->selection_info.in_drag = TRUE;
3105 start_selection_for_event (view, event);
3108 gtk_widget_queue_draw (widget);
3109 } else if ((annot = ev_view_get_annotation_at_location (view, event->x, event->y))) {
3110 ev_view_handle_annotation (view, annot, event->x, event->y);
3111 } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) {
3112 ev_view_remove_all (view);
3113 ev_view_handle_form_field (view, field, event->x, event->y);
3114 } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) &&
3115 (image = ev_view_get_image_at_location (view, event->x, event->y))) {
3116 if (view->image_dnd_info.image)
3117 g_object_unref (view->image_dnd_info.image);
3118 view->image_dnd_info.image = g_object_ref (image);
3119 view->image_dnd_info.in_drag = TRUE;
3121 view->image_dnd_info.start.x = event->x + view->scroll_x;
3122 view->image_dnd_info.start.y = event->y + view->scroll_y;
3124 ev_view_remove_all (view);
3126 if (EV_IS_SELECTION (view->document))
3127 start_selection_for_event (view, event);
3132 /* use root coordinates as reference point because
3133 * scrolling changes window relative coordinates */
3134 view->drag_info.start.x = event->x_root;
3135 view->drag_info.start.y = event->y_root;
3136 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
3137 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
3139 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
3143 view->scroll_info.start_y = event->y;
3144 return ev_view_do_popup_menu (view, event->x, event->y);
3151 ev_view_remove_all (EvView *view)
3153 GList *children, *child;
3155 children = gtk_container_get_children (GTK_CONTAINER (view));
3156 for (child = children; child && child->data; child = g_list_next (child)) {
3157 gtk_container_remove (GTK_CONTAINER (view),
3158 GTK_WIDGET (child->data));
3160 g_list_free (children);
3163 /*** Drag and Drop ***/
3165 ev_view_drag_data_get (GtkWidget *widget,
3166 GdkDragContext *context,
3167 GtkSelectionData *selection_data,
3171 EvView *view = EV_VIEW (widget);
3174 case TARGET_DND_TEXT:
3175 if (EV_IS_SELECTION (view->document) &&
3176 view->selection_info.selections) {
3179 text = get_selected_text (view);
3180 gtk_selection_data_set_text (selection_data,
3186 case TARGET_DND_IMAGE:
3187 if (view->image_dnd_info.image) {
3190 ev_document_doc_mutex_lock ();
3191 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3192 view->image_dnd_info.image);
3193 ev_document_doc_mutex_unlock ();
3195 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
3196 g_object_unref (pixbuf);
3199 case TARGET_DND_URI:
3200 if (view->image_dnd_info.image) {
3202 const gchar *tmp_uri;
3205 ev_document_doc_mutex_lock ();
3206 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3207 view->image_dnd_info.image);
3208 ev_document_doc_mutex_unlock ();
3210 tmp_uri = ev_image_save_tmp (view->image_dnd_info.image, pixbuf);
3211 g_object_unref (pixbuf);
3213 uris[0] = (gchar *)tmp_uri;
3215 gtk_selection_data_set_uris (selection_data, uris);
3221 ev_view_drag_motion (GtkWidget *widget,
3222 GdkDragContext *context,
3227 if (gtk_drag_get_source_widget (context) == widget)
3228 gdk_drag_status (context, 0, time);
3230 gdk_drag_status (context, context->suggested_action, time);
3236 selection_update_idle_cb (EvView *view)
3238 compute_selections (view,
3239 view->selection_info.style,
3240 &view->selection_info.start,
3242 view->selection_update_id = 0;
3247 selection_scroll_timeout_cb (EvView *view)
3249 gint x, y, shift = 0;
3250 GtkWidget *widget = GTK_WIDGET (view);
3252 gtk_widget_get_pointer (widget, &x, &y);
3254 if (y > widget->allocation.height) {
3255 shift = (y - widget->allocation.height) / 2;
3261 gtk_adjustment_set_value (view->vadjustment,
3262 CLAMP (view->vadjustment->value + shift,
3263 view->vadjustment->lower,
3264 view->vadjustment->upper -
3265 view->vadjustment->page_size));
3267 if (x > widget->allocation.width) {
3268 shift = (x - widget->allocation.width) / 2;
3274 gtk_adjustment_set_value (view->hadjustment,
3275 CLAMP (view->hadjustment->value + shift,
3276 view->hadjustment->lower,
3277 view->hadjustment->upper -
3278 view->hadjustment->page_size));
3284 ev_view_drag_update_momentum (EvView *view)
3287 if (!view->drag_info.in_drag)
3290 for (i = DRAG_HISTORY - 1; i > 0; i--) {
3291 view->drag_info.buffer[i].x = view->drag_info.buffer[i-1].x;
3292 view->drag_info.buffer[i].y = view->drag_info.buffer[i-1].y;
3295 /* Momentum is a moving average of 10ms granularity over
3296 * the last 100ms with each 10ms stored in buffer.
3299 view->drag_info.momentum.x = (view->drag_info.buffer[DRAG_HISTORY - 1].x - view->drag_info.buffer[0].x);
3300 view->drag_info.momentum.y = (view->drag_info.buffer[DRAG_HISTORY - 1].y - view->drag_info.buffer[0].y);
3306 ev_view_scroll_drag_release (EvView *view)
3308 gdouble dhadj_value, dvadj_value;
3309 gdouble oldhadjustment, oldvadjustment;
3311 view->drag_info.momentum.x /= 1.2;
3312 view->drag_info.momentum.y /= 1.2; /* Alter these constants to change "friction" */
3314 dhadj_value = view->hadjustment->page_size *
3315 (gdouble)view->drag_info.momentum.x / GTK_WIDGET (view)->allocation.width;
3316 dvadj_value = view->vadjustment->page_size *
3317 (gdouble)view->drag_info.momentum.y / GTK_WIDGET (view)->allocation.height;
3319 oldhadjustment = gtk_adjustment_get_value (view->hadjustment);
3320 oldvadjustment = gtk_adjustment_get_value (view->vadjustment);
3322 /* When we reach the edges, we need either to absorb some momentum and bounce by
3323 * multiplying it on -0.5 or stop scrolling by setting momentum to 0. */
3324 if (((oldhadjustment + dhadj_value) > (view->hadjustment->upper - view->hadjustment->page_size)) ||
3325 ((oldhadjustment + dhadj_value) < 0))
3326 view->drag_info.momentum.x = 0;
3327 if (((oldvadjustment + dvadj_value) > (view->vadjustment->upper - view->vadjustment->page_size)) ||
3328 ((oldvadjustment + dvadj_value) < 0))
3329 view->drag_info.momentum.y = 0;
3331 gtk_adjustment_set_value (view->hadjustment,
3332 MIN (oldhadjustment + dhadj_value,
3333 view->hadjustment->upper - view->hadjustment->page_size));
3334 gtk_adjustment_set_value (view->vadjustment,
3335 MIN (oldvadjustment + dvadj_value,
3336 view->vadjustment->upper - view->vadjustment->page_size));
3338 if (((view->drag_info.momentum.x < 1) && (view->drag_info.momentum.x > -1)) &&
3339 ((view->drag_info.momentum.y < 1) && (view->drag_info.momentum.y > -1)))
3346 ev_view_motion_notify_event (GtkWidget *widget,
3347 GdkEventMotion *event)
3349 EvView *view = EV_VIEW (widget);
3352 if (!view->document)
3356 if (event->is_hint || event->window != view->layout.bin_window) {
3357 gtk_widget_get_pointer (widget, &x, &y);
3363 if (view->scroll_info.autoscrolling) {
3364 view->scroll_info.last_y = y;
3368 if (view->selection_info.in_drag) {
3369 if (gtk_drag_check_threshold (widget,
3370 view->selection_info.start.x,
3371 view->selection_info.start.y,
3373 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3375 gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT);
3377 gtk_drag_begin (widget, target_list,
3379 1, (GdkEvent *)event);
3381 view->selection_info.in_drag = FALSE;
3383 gtk_target_list_unref (target_list);
3387 } else if (view->image_dnd_info.in_drag) {
3388 if (gtk_drag_check_threshold (widget,
3389 view->selection_info.start.x,
3390 view->selection_info.start.y,
3392 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3394 gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI);
3395 gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE);
3397 gtk_drag_begin (widget, target_list,
3399 1, (GdkEvent *)event);
3401 view->image_dnd_info.in_drag = FALSE;
3403 gtk_target_list_unref (target_list);
3409 switch (view->pressed_button) {
3411 /* For the Evince 0.4.x release, we limit selection to un-rotated
3414 if (view->rotation != 0)
3417 /* Schedule timeout to scroll during selection and additionally
3418 * scroll once to allow arbitrary speed. */
3419 if (!view->selection_scroll_id)
3420 view->selection_scroll_id = g_timeout_add (SCROLL_TIME,
3421 (GSourceFunc)selection_scroll_timeout_cb,
3424 selection_scroll_timeout_cb (view);
3426 view->selection_info.in_selection = TRUE;
3427 view->motion.x = x + view->scroll_x;
3428 view->motion.y = y + view->scroll_y;
3430 /* Queue an idle to handle the motion. We do this because
3431 * handling any selection events in the motion could be slower
3432 * than new motion events reach us. We always put it in the
3433 * idle to make sure we catch up and don't visibly lag the
3435 if (!view->selection_update_id)
3436 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
3440 if (!view->drag_info.in_drag) {
3444 start = gtk_drag_check_threshold (widget,
3445 view->drag_info.start.x,
3446 view->drag_info.start.y,
3449 view->drag_info.in_drag = start;
3450 view->drag_info.drag_timeout_id = g_timeout_add (10,
3451 (GSourceFunc)ev_view_drag_update_momentum, view);
3452 /* Set 100 to choose how long it takes to build up momentum */
3453 /* Clear out previous momentum info: */
3454 for (i = 0; i < DRAG_HISTORY; i++) {
3455 view->drag_info.buffer[i].x = event->x;
3456 view->drag_info.buffer[i].y = event->y;
3458 view->drag_info.momentum.x = 0;
3459 view->drag_info.momentum.y = 0;
3462 if (view->drag_info.in_drag) {
3464 gdouble dhadj_value, dvadj_value;
3466 view->drag_info.buffer[0].x = event->x;
3467 view->drag_info.buffer[0].y = event->y;
3469 dx = event->x_root - view->drag_info.start.x;
3470 dy = event->y_root - view->drag_info.start.y;
3472 dhadj_value = view->hadjustment->page_size *
3473 (gdouble)dx / widget->allocation.width;
3474 dvadj_value = view->vadjustment->page_size *
3475 (gdouble)dy / widget->allocation.height;
3477 /* clamp scrolling to visible area */
3478 gtk_adjustment_set_value (view->hadjustment,
3479 MIN(view->drag_info.hadj - dhadj_value,
3480 view->hadjustment->upper -
3481 view->hadjustment->page_size));
3482 gtk_adjustment_set_value (view->vadjustment,
3483 MIN(view->drag_info.vadj - dvadj_value,
3484 view->vadjustment->upper -
3485 view->vadjustment->page_size));
3492 ev_view_handle_cursor_over_xy (view, x, y);
3499 ev_view_button_release_event (GtkWidget *widget,
3500 GdkEventButton *event)
3502 EvView *view = EV_VIEW (widget);
3503 EvLink *link = NULL;
3505 view->image_dnd_info.in_drag = FALSE;
3507 if (view->scroll_info.autoscrolling) {
3508 ev_view_autoscroll_stop (view);
3509 view->pressed_button = -1;
3514 if (view->drag_info.in_drag) {
3515 view->drag_info.release_timeout_id =
3517 (GSourceFunc)ev_view_scroll_drag_release, view);
3520 if (view->document && !view->drag_info.in_drag && view->pressed_button != 3) {
3521 link = ev_view_get_link_at_location (view, event->x, event->y);
3524 view->drag_info.in_drag = FALSE;
3526 if (view->pressed_button == 2) {
3527 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3530 view->pressed_button = -1;
3532 if (view->selection_scroll_id) {
3533 g_source_remove (view->selection_scroll_id);
3534 view->selection_scroll_id = 0;
3536 if (view->selection_update_id) {
3537 g_source_remove (view->selection_update_id);
3538 view->selection_update_id = 0;
3541 if (!view->selection_info.in_selection &&
3542 view->selection_info.style != EV_SELECTION_STYLE_GLYPH) {
3543 compute_selections (view,
3544 view->selection_info.style,
3545 &(view->selection_info.start),
3546 &(view->selection_info.start));
3549 if (view->selection_info.selections) {
3550 clear_link_selected (view);
3551 ev_view_update_primary_selection (view);
3553 if (view->selection_info.in_drag) {
3554 clear_selection (view);
3555 gtk_widget_queue_draw (widget);
3558 view->selection_info.in_drag = FALSE;
3560 if (event->button == 2) {
3561 EvLinkAction *action;
3562 EvLinkActionType type;
3564 action = ev_link_get_action (link);
3568 type = ev_link_action_get_action_type (action);
3569 if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
3570 g_signal_emit (view,
3571 signals[SIGNAL_EXTERNAL_LINK],
3575 ev_view_handle_link (view, link);
3577 } else if (view->presentation) {
3578 switch (event->button) {
3580 ev_view_next_page (view);
3583 ev_view_previous_page (view);
3592 /* Cut and paste from gtkwindow.c */
3594 send_focus_change (GtkWidget *widget,
3597 GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE);
3599 g_object_ref (widget);
3602 GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
3604 GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
3606 fevent->focus_change.type = GDK_FOCUS_CHANGE;
3607 fevent->focus_change.window = g_object_ref (widget->window);
3608 fevent->focus_change.in = in;
3610 gtk_widget_event (widget, fevent);
3612 g_object_notify (G_OBJECT (widget), "has-focus");
3614 g_object_unref (widget);
3615 gdk_event_free (fevent);
3619 ev_view_goto_window_hide (EvView *view)
3621 /* send focus-in event */
3622 send_focus_change (view->goto_entry, FALSE);
3623 gtk_widget_hide (view->goto_window);
3624 gtk_entry_set_text (GTK_ENTRY (view->goto_entry), "");
3628 ev_view_goto_window_delete_event (GtkWidget *widget,
3632 ev_view_goto_window_hide (view);
3638 key_is_numeric (guint keyval)
3640 return ((keyval >= GDK_0 && keyval <= GDK_9) ||
3641 (keyval >= GDK_KP_0 && keyval <= GDK_KP_9));
3645 ev_view_goto_window_key_press_event (GtkWidget *widget,
3649 switch (event->keyval) {
3653 case GDK_ISO_Left_Tab:
3654 ev_view_goto_window_hide (view);
3663 if (!key_is_numeric (event->keyval))
3671 ev_view_goto_window_button_press_event (GtkWidget *widget,
3672 GdkEventButton *event,
3675 ev_view_goto_window_hide (view);
3681 ev_view_goto_entry_activate (GtkEntry *entry,
3687 text = gtk_entry_get_text (entry);
3688 page = atoi (text) - 1;
3690 ev_view_goto_window_hide (view);
3693 page < ev_page_cache_get_n_pages (view->page_cache))
3694 ev_page_cache_set_current_page (view->page_cache, page);
3698 ev_view_goto_window_create (EvView *view)
3700 GtkWidget *frame, *hbox, *toplevel, *label;
3702 toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view));
3704 if (view->goto_window) {
3705 if (GTK_WINDOW (toplevel)->group)
3706 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
3707 GTK_WINDOW (view->goto_window));
3708 else if (GTK_WINDOW (view->goto_window)->group)
3709 gtk_window_group_remove_window (GTK_WINDOW (view->goto_window)->group,
3710 GTK_WINDOW (view->goto_window));
3714 view->goto_window = gtk_window_new (GTK_WINDOW_POPUP);
3715 gtk_window_set_screen (GTK_WINDOW (view->goto_window),
3716 gtk_widget_get_screen (GTK_WIDGET (view)));
3718 if (GTK_WINDOW (toplevel)->group)
3719 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
3720 GTK_WINDOW (view->goto_window));
3722 gtk_window_set_modal (GTK_WINDOW (view->goto_window), TRUE);
3724 g_signal_connect (view->goto_window, "delete_event",
3725 G_CALLBACK (ev_view_goto_window_delete_event),
3727 g_signal_connect (view->goto_window, "key_press_event",
3728 G_CALLBACK (ev_view_goto_window_key_press_event),
3730 g_signal_connect (view->goto_window, "button_press_event",
3731 G_CALLBACK (ev_view_goto_window_button_press_event),
3734 frame = gtk_frame_new (NULL);
3735 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
3736 gtk_container_add (GTK_CONTAINER (view->goto_window), frame);
3737 gtk_widget_show (frame);
3739 hbox = gtk_hbox_new (FALSE, 0);
3740 gtk_container_set_border_width (GTK_CONTAINER (hbox), 3);
3741 gtk_container_add (GTK_CONTAINER (frame), hbox);
3742 gtk_widget_show (hbox);
3744 label = gtk_label_new(_("Jump to page:"));
3745 gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 3);
3746 gtk_widget_show (label);
3747 gtk_widget_realize (label);
3749 view->goto_entry = gtk_entry_new ();
3750 g_signal_connect (view->goto_entry, "activate",
3751 G_CALLBACK (ev_view_goto_entry_activate),
3753 gtk_box_pack_start (GTK_BOX (hbox), view->goto_entry, TRUE, TRUE, 0);
3754 gtk_widget_show (view->goto_entry);
3755 gtk_widget_realize (view->goto_entry);
3759 ev_view_goto_entry_grab_focus (EvView *view)
3761 GtkWidgetClass *entry_parent_class;
3763 entry_parent_class = g_type_class_peek_parent (GTK_ENTRY_GET_CLASS (view->goto_entry));
3764 (entry_parent_class->grab_focus) (view->goto_entry);
3766 send_focus_change (view->goto_entry, TRUE);
3770 ev_view_goto_window_send_key_event (EvView *view,
3773 GdkEventKey *new_event;
3776 /* Move goto window off screen */
3777 screen = gtk_widget_get_screen (GTK_WIDGET (view));
3778 gtk_window_move (GTK_WINDOW (view->goto_window),
3779 gdk_screen_get_width (screen) + 1,
3780 gdk_screen_get_height (screen) + 1);
3781 gtk_widget_show (view->goto_window);
3783 new_event = (GdkEventKey *) gdk_event_copy (event);
3784 g_object_unref (new_event->window);
3785 new_event->window = g_object_ref (view->goto_window->window);
3786 gtk_widget_realize (view->goto_window);
3788 gtk_widget_event (view->goto_window, (GdkEvent *)new_event);
3789 gdk_event_free ((GdkEvent *)new_event);
3790 gtk_widget_hide (view->goto_window);
3794 ev_view_key_press_event (GtkWidget *widget,
3797 EvView *view = EV_VIEW (widget);
3798 EvPresentationState current;
3800 if (!view->document)
3803 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
3804 /* Forward key events to current focused window child */
3805 if (view->window_child_focus) {
3806 GdkEventKey *new_event;
3809 new_event = (GdkEventKey *) gdk_event_copy ((GdkEvent *)event);
3810 g_object_unref (new_event->window);
3811 new_event->window = g_object_ref (view->window_child_focus->window->window);
3812 gtk_widget_realize (view->window_child_focus->window);
3813 handled = gtk_widget_event (view->window_child_focus->window, (GdkEvent *)new_event);
3814 gdk_event_free ((GdkEvent *)new_event);
3822 if (!view->presentation ||
3823 view->presentation_state == EV_PRESENTATION_END)
3824 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3827 current = view->presentation_state;
3829 switch (event->keyval) {
3833 case GDK_KP_Decimal:
3834 view->presentation_state =
3835 (view->presentation_state == EV_PRESENTATION_BLACK) ?
3836 EV_PRESENTATION_NORMAL : EV_PRESENTATION_BLACK;
3840 view->presentation_state =
3841 (view->presentation_state == EV_PRESENTATION_WHITE) ?
3842 EV_PRESENTATION_NORMAL : EV_PRESENTATION_WHITE;
3845 if (view->presentation_state == EV_PRESENTATION_BLACK ||
3846 view->presentation_state == EV_PRESENTATION_WHITE) {
3847 view->presentation_state = EV_PRESENTATION_NORMAL;
3851 if (current == view->presentation_state) {
3852 if (ev_page_cache_get_n_pages (view->page_cache) > 1 &&
3853 key_is_numeric (event->keyval)) {
3856 ev_view_goto_window_create (view);
3857 ev_view_goto_window_send_key_event (view, (GdkEvent *)event);
3858 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
3859 gtk_window_move (GTK_WINDOW (view->goto_window), x, y);
3860 gtk_widget_show (view->goto_window);
3861 ev_view_goto_entry_grab_focus (view);
3866 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3869 switch (view->presentation_state) {
3870 case EV_PRESENTATION_NORMAL:
3871 case EV_PRESENTATION_BLACK:
3872 gdk_window_set_background (view->layout.bin_window,
3873 &widget->style->black);
3875 case EV_PRESENTATION_WHITE:
3876 gdk_window_set_background (view->layout.bin_window,
3877 &widget->style->white);
3880 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3883 gtk_widget_queue_draw (widget);
3888 ev_view_focus_in (GtkWidget *widget,
3889 GdkEventFocus *event)
3891 if (EV_VIEW (widget)->pixbuf_cache)
3892 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3893 gtk_widget_queue_draw (widget);
3899 ev_view_focus_out (GtkWidget *widget,
3900 GdkEventFocus *event)
3902 if (EV_VIEW (widget)->goto_window)
3903 ev_view_goto_window_hide (EV_VIEW (widget));
3905 if (EV_VIEW (widget)->pixbuf_cache)
3906 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3907 gtk_widget_queue_draw (widget);
3913 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3915 EvView *view = EV_VIEW (widget);
3917 if (view->cursor != EV_VIEW_CURSOR_NORMAL)
3918 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
3924 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3926 EvView *view = EV_VIEW (widget);
3928 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3934 ev_view_style_set (GtkWidget *widget,
3935 GtkStyle *old_style)
3937 if (EV_VIEW (widget)->pixbuf_cache)
3938 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3940 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
3946 ev_gdk_color_to_rgb (const GdkColor *color)
3949 result = (0xff0000 | (color->red & 0xff00));
3951 result |= ((color->green & 0xff00) | (color->blue >> 8));
3956 draw_rubberband (GtkWidget *widget, GdkWindow *window,
3957 const GdkRectangle *rect, guchar alpha)
3961 GdkColor *fill_color_gdk;
3964 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
3965 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
3967 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
3968 rect->width, rect->height);
3969 gdk_pixbuf_fill (pixbuf, fill_color);
3971 gdk_draw_pixbuf (window, NULL, pixbuf,
3973 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
3974 rect->width, rect->height,
3975 GDK_RGB_DITHER_NONE,
3978 g_object_unref (pixbuf);
3980 gc = gdk_gc_new (window);
3981 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
3982 gdk_draw_rectangle (window, gc, FALSE,
3983 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
3986 g_object_unref (gc);
3988 gdk_color_free (fill_color_gdk);
3993 highlight_find_results (EvView *view, int page)
3995 gint i, n_results = 0;
3997 n_results = ev_view_find_get_n_results (view, page);
3999 for (i = 0; i < n_results; i++) {
4000 EvRectangle *rectangle;
4001 GdkRectangle view_rectangle;
4004 if (i == view->find_result && page == view->current_page) {
4010 rectangle = ev_view_find_get_result (view, page, i);
4011 doc_rect_to_view_rect (view, page, rectangle, &view_rectangle);
4012 draw_rubberband (GTK_WIDGET (view), view->layout.bin_window,
4013 &view_rectangle, alpha);
4018 draw_loading_text (EvView *view,
4019 GdkRectangle *page_area,
4020 GdkRectangle *expose_area)
4025 if (!view->loading_text) {
4026 const gchar *loading_text = _("Loading...");
4027 PangoLayout *layout;
4028 PangoFontDescription *font_desc;
4029 PangoRectangle logical_rect;
4033 ev_document_fc_mutex_lock ();
4035 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
4037 font_desc = pango_font_description_new ();
4039 /* We set the font to be 10 points, get the size, and scale appropriately */
4040 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
4041 pango_layout_set_font_description (layout, font_desc);
4042 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
4044 target_width = MAX (page_area->width / 2, 1);
4045 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
4046 pango_font_description_set_size (font_desc, (int)real_scale);
4047 pango_layout_set_font_description (layout, font_desc);
4048 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
4050 view->loading_text = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
4052 logical_rect.height);
4053 cr = cairo_create (view->loading_text);
4054 cairo_set_source_rgb (cr,
4058 pango_cairo_show_layout (cr, layout);
4061 pango_font_description_free (font_desc);
4062 g_object_unref (layout);
4064 ev_document_fc_mutex_unlock ();
4067 width = (page_area->width - cairo_image_surface_get_width (view->loading_text)) / 2;
4068 height = (page_area->height - cairo_image_surface_get_height (view->loading_text)) / 2;
4070 cr = gdk_cairo_create (view->layout.bin_window);
4071 cairo_translate (cr,
4072 page_area->x + width,
4073 page_area->y + height);
4074 cairo_set_source_surface (cr, view->loading_text, 0, 0);
4080 draw_one_page (EvView *view,
4083 GdkRectangle *page_area,
4085 GdkRectangle *expose_area,
4086 gboolean *page_ready)
4088 GdkRectangle overlap;
4089 GdkRectangle real_page_area;
4091 g_assert (view->document);
4093 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
4096 /* Render the document itself */
4097 real_page_area = *page_area;
4099 real_page_area.x += border->left;
4100 real_page_area.y += border->top;
4101 real_page_area.width -= (border->left + border->right);
4102 real_page_area.height -= (border->top + border->bottom);
4105 if (!view->presentation) {
4108 current_page = ev_page_cache_get_current_page (view->page_cache);
4109 ev_document_misc_paint_one_page (view->layout.bin_window,
4112 page == current_page);
4115 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
4117 gint page_width, page_height;
4118 cairo_surface_t *page_surface = NULL;
4119 gint selection_width, selection_height;
4120 cairo_surface_t *selection_surface = NULL;
4122 page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page);
4124 if (!page_surface) {
4125 if (!view->presentation) {
4126 draw_loading_text (view,
4131 *page_ready = FALSE;
4136 ev_page_cache_get_size (view->page_cache,
4137 page, view->rotation,
4141 page_width = cairo_image_surface_get_width (page_surface);
4142 page_height = cairo_image_surface_get_height (page_surface);
4145 cairo_translate (cr, overlap.x, overlap.y);
4147 if (width != page_width || height != page_height) {
4148 cairo_pattern_set_filter (cairo_get_source (cr),
4151 (gdouble)width / page_width,
4152 (gdouble)height / page_height);
4155 cairo_surface_set_device_offset (page_surface,
4156 overlap.x - real_page_area.x,
4157 overlap.y - real_page_area.y);
4158 cairo_set_source_surface (cr, page_surface, 0, 0);
4162 /* Get the selection pixbuf iff we have something to draw */
4163 if (find_selection_for_page (view, page) &&
4164 view->selection_mode == EV_VIEW_SELECTION_TEXT) {
4166 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
4172 if (!selection_surface) {
4176 selection_width = cairo_image_surface_get_width (selection_surface);
4177 selection_height = cairo_image_surface_get_height (selection_surface);
4180 cairo_translate (cr, overlap.x, overlap.y);
4182 if (width != selection_width || height != selection_height) {
4183 cairo_pattern_set_filter (cairo_get_source (cr),
4186 (gdouble)width / selection_width,
4187 (gdouble)height / selection_height);
4190 cairo_surface_set_device_offset (selection_surface,
4191 overlap.x - real_page_area.x,
4192 overlap.y - real_page_area.y);
4193 cairo_set_source_surface (cr, selection_surface, 0, 0);
4199 /*** GObject functions ***/
4202 ev_view_finalize (GObject *object)
4204 EvView *view = EV_VIEW (object);
4206 clear_selection (view);
4207 clear_link_selected (view);
4209 if (view->image_dnd_info.image)
4210 g_object_unref (view->image_dnd_info.image);
4211 view->image_dnd_info.image = NULL;
4213 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
4217 ev_view_destroy (GtkObject *object)
4219 EvView *view = EV_VIEW (object);
4221 if (view->document) {
4222 g_object_unref (view->document);
4223 view->document = NULL;
4226 if (view->pixbuf_cache) {
4227 g_object_unref (view->pixbuf_cache);
4228 view->pixbuf_cache = NULL;
4231 if (view->goto_window) {
4232 gtk_widget_destroy (view->goto_window);
4233 view->goto_window = NULL;
4234 view->goto_entry = NULL;
4237 ev_view_window_children_free (view);
4239 if (view->selection_scroll_id) {
4240 g_source_remove (view->selection_scroll_id);
4241 view->selection_scroll_id = 0;
4244 if (view->selection_update_id) {
4245 g_source_remove (view->selection_update_id);
4246 view->selection_update_id = 0;
4249 if (view->loading_text) {
4250 cairo_surface_destroy (view->loading_text);
4251 view->loading_text = NULL;
4254 if (view->scroll_info.timeout_id) {
4255 g_source_remove (view->scroll_info.timeout_id);
4256 view->scroll_info.timeout_id = 0;
4259 if (view->drag_info.drag_timeout_id) {
4260 g_source_remove (view->drag_info.drag_timeout_id);
4261 view->drag_info.drag_timeout_id = 0;
4264 if (view->drag_info.release_timeout_id) {
4265 g_source_remove (view->drag_info.release_timeout_id);
4266 view->drag_info.release_timeout_id = 0;
4269 ev_view_presentation_transition_stop (view);
4271 ev_view_set_scroll_adjustments (GTK_LAYOUT (view), NULL, NULL);
4273 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
4277 ev_view_set_property (GObject *object,
4279 const GValue *value,
4282 EvView *view = EV_VIEW (object);
4285 case PROP_CONTINUOUS:
4286 ev_view_set_continuous (view, g_value_get_boolean (value));
4288 case PROP_DUAL_PAGE:
4289 ev_view_set_dual_page (view, g_value_get_boolean (value));
4291 case PROP_FULLSCREEN:
4292 ev_view_set_fullscreen (view, g_value_get_boolean (value));
4294 case PROP_PRESENTATION:
4295 ev_view_set_presentation (view, g_value_get_boolean (value));
4297 case PROP_SIZING_MODE:
4298 ev_view_set_sizing_mode (view, g_value_get_enum (value));
4301 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
4304 ev_view_set_rotation (view, g_value_get_int (value));
4307 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
4312 ev_view_get_accessible (GtkWidget *widget)
4314 static gboolean first_time = TRUE;
4317 AtkObjectFactory *factory;
4318 AtkRegistry *registry;
4320 GType derived_atk_type;
4323 * Figure out whether accessibility is enabled by looking at the
4324 * type of the accessible object which would be created for
4325 * the parent type of EvView.
4327 derived_type = g_type_parent (EV_TYPE_VIEW);
4329 registry = atk_get_default_registry ();
4330 factory = atk_registry_get_factory (registry,
4332 derived_atk_type = atk_object_factory_get_accessible_type (factory);
4333 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
4334 atk_registry_set_factory_type (registry,
4336 ev_view_accessible_factory_get_type ());
4339 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
4343 ev_view_get_property (GObject *object,
4348 EvView *view = EV_VIEW (object);
4351 case PROP_CONTINUOUS:
4352 g_value_set_boolean (value, view->continuous);
4354 case PROP_DUAL_PAGE:
4355 g_value_set_boolean (value, view->dual_page);
4357 case PROP_FULLSCREEN:
4358 g_value_set_boolean (value, view->fullscreen);
4360 case PROP_PRESENTATION:
4361 g_value_set_boolean (value, view->presentation);
4363 case PROP_SIZING_MODE:
4364 g_value_set_enum (value, view->sizing_mode);
4367 g_value_set_double (value, view->scale);
4370 g_value_set_int (value, view->rotation);
4372 case PROP_HAS_SELECTION:
4373 g_value_set_boolean (value,
4374 view->selection_info.selections != NULL);
4377 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
4382 ev_view_class_init (EvViewClass *class)
4384 GObjectClass *object_class = G_OBJECT_CLASS (class);
4385 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
4386 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
4387 GtkLayoutClass *layout_class = GTK_LAYOUT_CLASS (class);
4388 GtkBindingSet *binding_set;
4390 object_class->finalize = ev_view_finalize;
4391 object_class->set_property = ev_view_set_property;
4392 object_class->get_property = ev_view_get_property;
4394 widget_class->expose_event = ev_view_expose_event;
4395 widget_class->button_press_event = ev_view_button_press_event;
4396 widget_class->motion_notify_event = ev_view_motion_notify_event;
4397 widget_class->button_release_event = ev_view_button_release_event;
4398 widget_class->key_press_event = ev_view_key_press_event;
4399 widget_class->focus_in_event = ev_view_focus_in;
4400 widget_class->focus_out_event = ev_view_focus_out;
4401 widget_class->get_accessible = ev_view_get_accessible;
4402 widget_class->size_request = ev_view_size_request;
4403 widget_class->size_allocate = ev_view_size_allocate;
4404 widget_class->realize = ev_view_realize;
4405 widget_class->scroll_event = ev_view_scroll_event;
4406 widget_class->enter_notify_event = ev_view_enter_notify_event;
4407 widget_class->leave_notify_event = ev_view_leave_notify_event;
4408 widget_class->style_set = ev_view_style_set;
4409 widget_class->drag_data_get = ev_view_drag_data_get;
4410 widget_class->drag_motion = ev_view_drag_motion;
4411 widget_class->popup_menu = ev_view_popup_menu;
4412 widget_class->query_tooltip = ev_view_query_tooltip;
4414 gtk_object_class->destroy = ev_view_destroy;
4416 layout_class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
4418 class->binding_activated = ev_view_scroll;
4420 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
4421 G_TYPE_FROM_CLASS (object_class),
4422 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4423 G_STRUCT_OFFSET (EvViewClass, binding_activated),
4425 ev_view_marshal_VOID__ENUM_BOOLEAN,
4427 GTK_TYPE_SCROLL_TYPE,
4430 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
4431 G_TYPE_FROM_CLASS (object_class),
4432 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4433 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
4435 g_cclosure_marshal_VOID__VOID,
4436 G_TYPE_NONE, 0, G_TYPE_NONE);
4437 signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link",
4438 G_TYPE_FROM_CLASS (object_class),
4439 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4440 G_STRUCT_OFFSET (EvViewClass, handle_link),
4442 g_cclosure_marshal_VOID__OBJECT,
4445 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
4446 G_TYPE_FROM_CLASS (object_class),
4447 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4448 G_STRUCT_OFFSET (EvViewClass, external_link),
4450 g_cclosure_marshal_VOID__OBJECT,
4453 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
4454 G_TYPE_FROM_CLASS (object_class),
4455 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4456 G_STRUCT_OFFSET (EvViewClass, popup_menu),
4458 g_cclosure_marshal_VOID__OBJECT,
4463 g_object_class_install_property (object_class,
4465 g_param_spec_boolean ("continuous",
4467 "Continuous scrolling mode",
4469 G_PARAM_READWRITE));
4471 g_object_class_install_property (object_class,
4473 g_param_spec_boolean ("dual-page",
4475 "Two pages visible at once",
4477 G_PARAM_READWRITE));
4478 g_object_class_install_property (object_class,
4480 g_param_spec_boolean ("fullscreen",
4482 "Draw page in a fullscreen fashion",
4484 G_PARAM_READWRITE));
4485 g_object_class_install_property (object_class,
4487 g_param_spec_boolean ("presentation",
4489 "Draw page in presentation mode",
4491 G_PARAM_READWRITE));
4493 g_object_class_install_property (object_class,
4495 g_param_spec_enum ("sizing-mode",
4498 EV_TYPE_SIZING_MODE,
4499 EV_SIZING_FIT_WIDTH,
4500 G_PARAM_READWRITE));
4502 g_object_class_install_property (object_class,
4504 g_param_spec_double ("zoom",
4510 G_PARAM_READWRITE));
4511 g_object_class_install_property (object_class,
4513 g_param_spec_double ("rotation",
4519 G_PARAM_READWRITE));
4520 g_object_class_install_property (object_class,
4522 g_param_spec_boolean ("has-selection",
4524 "The view has selections",
4528 binding_set = gtk_binding_set_by_class (class);
4530 add_scroll_binding_keypad (binding_set, GDK_Left, 0, GTK_SCROLL_STEP_BACKWARD, TRUE);
4531 add_scroll_binding_keypad (binding_set, GDK_Right, 0, GTK_SCROLL_STEP_FORWARD, TRUE);
4532 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, TRUE);
4533 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, TRUE);
4534 add_scroll_binding_keypad (binding_set, GDK_Up, 0, GTK_SCROLL_STEP_BACKWARD, FALSE);
4535 add_scroll_binding_keypad (binding_set, GDK_Down, 0, GTK_SCROLL_STEP_FORWARD, FALSE);
4536 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, FALSE);
4537 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, FALSE);
4538 gtk_binding_entry_add_signal (binding_set, GDK_H, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4539 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE);
4540 gtk_binding_entry_add_signal (binding_set, GDK_J, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4541 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE);
4542 gtk_binding_entry_add_signal (binding_set, GDK_K, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4543 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE);
4544 gtk_binding_entry_add_signal (binding_set, GDK_L, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4545 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE);
4550 ev_view_init (EvView *view)
4552 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
4554 view->start_page = -1;
4555 view->end_page = -1;
4558 view->current_page = 0;
4559 view->pressed_button = -1;
4560 view->cursor = EV_VIEW_CURSOR_NORMAL;
4561 view->drag_info.in_drag = FALSE;
4562 view->scroll_info.autoscrolling = FALSE;
4563 view->selection_info.selections = NULL;
4564 view->selection_info.in_selection = FALSE;
4565 view->selection_info.in_drag = FALSE;
4566 view->selection_mode = EV_VIEW_SELECTION_TEXT;
4567 view->continuous = TRUE;
4568 view->dual_page = FALSE;
4569 view->presentation = FALSE;
4570 view->presentation_state = EV_PRESENTATION_NORMAL;
4571 view->fullscreen = FALSE;
4572 view->sizing_mode = EV_SIZING_FIT_WIDTH;
4573 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4574 view->jump_to_find_result = TRUE;
4575 view->highlight_find_results = FALSE;
4577 gtk_layout_set_hadjustment (GTK_LAYOUT (view), NULL);
4578 gtk_layout_set_vadjustment (GTK_LAYOUT (view), NULL);
4584 ev_view_change_page (EvView *view,
4586 gboolean start_transition)
4590 view->current_page = new_page;
4591 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4593 if (view->presentation && start_transition)
4594 ev_view_presentation_transition_start (view);
4596 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4597 ev_view_handle_cursor_over_xy (view, x, y);
4599 gtk_widget_queue_resize (GTK_WIDGET (view));
4603 ev_view_transition_animation_finish (EvTransitionAnimation *animation,
4606 g_object_unref (view->animation);
4607 view->animation = NULL;
4608 ev_view_change_page (view, view->current_page, TRUE);
4612 * ev_view_transition_animation_cancel:
4613 * @animation: Animation to finish
4616 * Does almost the same as cancel, but without scheduling the transition.
4620 ev_view_transition_animation_cancel (EvTransitionAnimation *animation,
4623 g_object_unref (view->animation);
4624 view->animation = NULL;
4625 ev_view_change_page (view, view->current_page, FALSE);
4629 ev_view_transition_animation_frame (EvTransitionAnimation *animation,
4633 gtk_widget_queue_draw (GTK_WIDGET (view));
4637 ev_view_presentation_animation_start (EvView *view,
4640 EvTransitionEffect *effect = NULL;
4641 cairo_surface_t *surface;
4643 if (EV_IS_DOCUMENT_TRANSITION (view->document))
4644 effect = ev_document_transition_get_effect (EV_DOCUMENT_TRANSITION (view->document),
4645 view->current_page);
4649 surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page);
4650 view->animation = ev_transition_animation_new (effect);
4651 ev_transition_animation_set_origin_surface (view->animation, surface);
4653 g_signal_connect (view->animation, "frame",
4654 G_CALLBACK (ev_view_transition_animation_frame), view);
4655 g_signal_connect (view->animation, "finished",
4656 G_CALLBACK (ev_view_transition_animation_finish), view);
4660 job_finished_cb (EvPixbufCache *pixbuf_cache,
4664 if (view->animation) {
4665 cairo_surface_t *surface;
4667 surface = ev_pixbuf_cache_get_surface (pixbuf_cache, view->current_page);
4668 ev_transition_animation_set_dest_surface (view->animation, surface);
4672 gdk_window_invalidate_region (view->layout.bin_window,
4675 gtk_widget_queue_draw (GTK_WIDGET (view));
4680 page_changed_cb (EvPageCache *page_cache,
4684 if (view->current_page != new_page) {
4685 if (view->presentation)
4686 ev_view_presentation_animation_start (view, new_page);
4688 ev_view_change_page (view, new_page, TRUE);
4690 gtk_widget_queue_draw (GTK_WIDGET (view));
4693 view->find_result = 0;
4697 on_adjustment_value_changed (GtkAdjustment *adjustment,
4702 GList *children, *l;
4704 if (! GTK_WIDGET_REALIZED (view))
4707 if (view->hadjustment) {
4708 dx = view->scroll_x - (int) view->hadjustment->value;
4709 view->scroll_x = (int) view->hadjustment->value;
4714 if (view->vadjustment) {
4715 dy = view->scroll_y - (int) view->vadjustment->value;
4716 view->scroll_y = (int) view->vadjustment->value;
4721 children = gtk_container_get_children (GTK_CONTAINER (view));
4722 for (l = children; l && l->data; l = g_list_next (l)) {
4723 gint child_x, child_y;
4724 GtkWidget *child = (GtkWidget *)l->data;
4726 gtk_container_child_get (GTK_CONTAINER (view),
4731 gtk_layout_move (GTK_LAYOUT (view), child, child_x + dx, child_y + dy);
4733 g_list_free (children);
4735 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
4736 EvViewWindowChild *child;
4738 child = (EvViewWindowChild *)l->data;
4740 ev_view_window_child_move (view, child, child->x + dx, child->y + dy);
4743 if (view->pending_resize)
4744 gtk_widget_queue_draw (GTK_WIDGET (view));
4746 gdk_window_scroll (view->layout.bin_window, dx, dy);
4748 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4749 ev_view_handle_cursor_over_xy (view, x, y);
4752 view_update_range_and_current_page (view);
4760 view = g_object_new (EV_TYPE_VIEW, NULL);
4766 setup_caches (EvView *view)
4768 view->page_cache = ev_page_cache_get (view->document);
4769 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
4770 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
4771 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
4772 page_changed_cb (view->page_cache,
4773 ev_page_cache_get_current_page (view->page_cache),
4778 clear_caches (EvView *view)
4780 if (view->pixbuf_cache) {
4781 g_object_unref (view->pixbuf_cache);
4782 view->pixbuf_cache = NULL;
4785 if (view->page_cache) {
4786 view->page_cache = NULL;
4791 ev_view_set_loading (EvView *view,
4794 view->loading = loading;
4795 gtk_widget_queue_draw (GTK_WIDGET (view));
4799 ev_view_autoscroll_cb (EvView *view)
4801 gdouble speed, value;
4803 /* If the user stops autoscrolling, autoscrolling will be
4804 * set to false but the timeout will continue; stop the timeout: */
4805 if (!view->scroll_info.autoscrolling) {
4806 view->scroll_info.timeout_id = 0;
4810 if (view->scroll_info.last_y > view->scroll_info.start_y &&
4811 (view->scroll_info.last_y < view->scroll_info.start_y))
4814 /* Replace 100 with your speed of choice: The lower the faster.
4815 * Replace 3 with another speed of choice: The higher, the faster it accelerated
4816 * based on the distance of the starting point from the mouse
4817 * (All also effected by the timeout interval of this callback) */
4819 if (view->scroll_info.start_y > view->scroll_info.last_y)
4820 speed = -pow ((((gdouble)view->scroll_info.start_y - view->scroll_info.last_y) / 100), 3);
4822 speed = pow ((((gdouble)view->scroll_info.last_y - view->scroll_info.start_y) / 100), 3);
4824 value = gtk_adjustment_get_value (view->vadjustment);
4825 value = CLAMP (value + speed, 0, view->vadjustment->upper - view->vadjustment->page_size);
4826 gtk_adjustment_set_value (view->vadjustment, value);
4833 ev_view_autoscroll_start (EvView *view)
4837 g_return_if_fail (EV_IS_VIEW (view));
4839 if (view->scroll_info.autoscrolling)
4842 view->scroll_info.autoscrolling = TRUE;
4843 view->scroll_info.timeout_id =
4844 g_timeout_add (20, (GSourceFunc)ev_view_autoscroll_cb,
4847 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4848 ev_view_handle_cursor_over_xy (view, x, y);
4852 ev_view_autoscroll_stop (EvView *view)
4856 g_return_if_fail (EV_IS_VIEW (view));
4858 if (!view->scroll_info.autoscrolling)
4861 view->scroll_info.autoscrolling = FALSE;
4862 if (view->scroll_info.timeout_id) {
4863 g_source_remove (view->scroll_info.timeout_id);
4864 view->scroll_info.timeout_id = 0;
4867 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4868 ev_view_handle_cursor_over_xy (view, x, y);
4872 ev_view_set_document (EvView *view,
4873 EvDocument *document)
4875 g_return_if_fail (EV_IS_VIEW (view));
4877 view->loading = FALSE;
4879 if (document != view->document) {
4880 clear_caches (view);
4882 if (view->document) {
4883 g_object_unref (view->document);
4884 view->page_cache = NULL;
4887 view->document = document;
4888 view->find_result = 0;
4890 if (view->document) {
4891 g_object_ref (view->document);
4892 setup_caches (view);
4895 view_update_range_and_current_page (view);
4897 gtk_widget_queue_resize (GTK_WIDGET (view));
4902 ev_view_reload_page (EvView *view,
4906 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
4914 ev_view_reload (EvView *view)
4916 ev_pixbuf_cache_clear (view->pixbuf_cache);
4917 view_update_range_and_current_page (view);
4920 /*** Zoom and sizing mode ***/
4922 #define EPSILON 0.0000001
4924 ev_view_set_zoom (EvView *view,
4931 scale = view->scale * factor;
4935 scale = CLAMP (scale,
4936 view->sizing_mode == EV_SIZING_FREE ? view->min_scale : 0,
4939 if (scale == view->scale)
4942 if (ABS (view->scale - scale) < EPSILON)
4945 if (view->loading_text) {
4946 cairo_surface_destroy (view->loading_text);
4947 view->loading_text = NULL;
4950 view->scale = scale;
4951 view->pending_resize = TRUE;
4953 gtk_widget_queue_resize (GTK_WIDGET (view));
4955 g_object_notify (G_OBJECT (view), "zoom");
4959 ev_view_get_zoom (EvView *view)
4965 ev_view_set_screen_dpi (EvView *view,
4968 g_return_if_fail (EV_IS_VIEW (view));
4969 g_return_if_fail (dpi > 0);
4972 view->min_scale = MIN_SCALE * dpi / 72.0;
4973 view->max_scale = MAX_SCALE * dpi / 72.0;
4977 ev_view_get_continuous (EvView *view)
4979 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4981 return view->continuous;
4985 ev_view_set_continuous (EvView *view,
4986 gboolean continuous)
4988 g_return_if_fail (EV_IS_VIEW (view));
4990 continuous = continuous != FALSE;
4992 if (view->continuous != continuous) {
4993 view->continuous = continuous;
4994 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4995 gtk_widget_queue_resize (GTK_WIDGET (view));
4998 g_object_notify (G_OBJECT (view), "continuous");
5002 ev_view_get_dual_page (EvView *view)
5004 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5006 return view->dual_page;
5010 ev_view_set_dual_page (EvView *view,
5013 g_return_if_fail (EV_IS_VIEW (view));
5015 dual_page = dual_page != FALSE;
5017 if (view->dual_page == dual_page)
5020 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5021 view->dual_page = dual_page;
5022 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
5023 * preload_cache_size to be 2 if dual_page is set.
5025 gtk_widget_queue_resize (GTK_WIDGET (view));
5027 g_object_notify (G_OBJECT (view), "dual-page");
5031 ev_view_set_fullscreen (EvView *view,
5032 gboolean fullscreen)
5034 g_return_if_fail (EV_IS_VIEW (view));
5036 fullscreen = fullscreen != FALSE;
5038 if (view->fullscreen == fullscreen)
5041 view->fullscreen = fullscreen;
5042 gtk_widget_queue_resize (GTK_WIDGET (view));
5044 g_object_notify (G_OBJECT (view), "fullscreen");
5048 ev_view_get_fullscreen (EvView *view)
5050 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5052 return view->fullscreen;
5056 ev_view_set_presentation (EvView *view,
5057 gboolean presentation)
5059 g_return_if_fail (EV_IS_VIEW (view));
5061 presentation = presentation != FALSE;
5063 if (view->presentation == presentation)
5067 view->presentation_state = EV_PRESENTATION_NORMAL;
5069 view->presentation = presentation;
5070 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5073 view->sizing_mode_saved = view->sizing_mode;
5074 view->scale_saved = view->scale;
5075 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
5077 ev_view_set_sizing_mode (view, view->sizing_mode_saved);
5078 ev_view_set_zoom (view, view->scale_saved, FALSE);
5081 gtk_widget_queue_resize (GTK_WIDGET (view));
5084 ev_view_presentation_transition_start (view);
5086 ev_view_presentation_transition_stop (view);
5088 if (view->animation) {
5089 /* stop any running animation */
5090 ev_view_transition_animation_cancel (view->animation, view);
5094 if (GTK_WIDGET_REALIZED (view)) {
5095 if (view->presentation)
5096 gdk_window_set_background (view->layout.bin_window,
5097 >K_WIDGET (view)->style->black);
5099 gdk_window_set_background (view->layout.bin_window,
5100 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
5103 g_object_notify (G_OBJECT (view), "presentation");
5107 ev_view_get_presentation (EvView *view)
5109 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5111 return view->presentation;
5115 transition_next_page (EvView *view)
5117 ev_view_next_page (view);
5123 ev_view_presentation_transition_stop (EvView *view)
5125 if (view->trans_timeout_id > 0)
5126 g_source_remove (view->trans_timeout_id);
5127 view->trans_timeout_id = 0;
5131 ev_view_presentation_transition_start (EvView *view)
5135 if (!EV_IS_DOCUMENT_TRANSITION (view->document))
5138 ev_view_presentation_transition_stop (view);
5140 duration = ev_document_transition_get_page_duration (EV_DOCUMENT_TRANSITION (view->document),
5141 view->current_page);
5143 view->trans_timeout_id =
5144 g_timeout_add_seconds (duration,
5145 (GSourceFunc) transition_next_page,
5151 ev_view_set_sizing_mode (EvView *view,
5152 EvSizingMode sizing_mode)
5154 g_return_if_fail (EV_IS_VIEW (view));
5156 if (view->sizing_mode == sizing_mode)
5159 view->sizing_mode = sizing_mode;
5160 gtk_widget_queue_resize (GTK_WIDGET (view));
5162 g_object_notify (G_OBJECT (view), "sizing-mode");
5166 ev_view_get_sizing_mode (EvView *view)
5168 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
5170 return view->sizing_mode;
5174 ev_view_can_zoom_in (EvView *view)
5176 return view->scale * ZOOM_IN_FACTOR <= view->max_scale;
5180 ev_view_can_zoom_out (EvView *view)
5182 return view->scale * ZOOM_OUT_FACTOR >= view->min_scale;
5186 ev_view_zoom_in (EvView *view)
5188 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5190 if (view->presentation)
5193 view->pending_scroll = SCROLL_TO_CENTER;
5194 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
5198 ev_view_zoom_out (EvView *view)
5200 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5202 if (view->presentation)
5205 view->pending_scroll = SCROLL_TO_CENTER;
5206 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
5210 ev_view_rotate_right (EvView *view)
5212 int rotation = view->rotation + 90;
5214 if (rotation >= 360) {
5218 ev_view_set_rotation (view, rotation);
5222 ev_view_rotate_left (EvView *view)
5224 int rotation = view->rotation - 90;
5230 ev_view_set_rotation (view, rotation);
5234 ev_view_set_rotation (EvView *view, int rotation)
5236 view->rotation = rotation;
5238 if (view->pixbuf_cache) {
5239 ev_pixbuf_cache_clear (view->pixbuf_cache);
5240 gtk_widget_queue_resize (GTK_WIDGET (view));
5244 clear_selection (view);
5246 g_object_notify (G_OBJECT (view), "rotation");
5250 ev_view_get_rotation (EvView *view)
5252 return view->rotation;
5256 zoom_for_size_fit_width (int doc_width,
5264 scale = (double)target_width / doc_width;
5266 if (doc_height * scale > target_height)
5267 scale = (double) (target_width - vsb_width) / doc_width;
5273 zoom_for_size_fit_height (int doc_width,
5281 scale = (double)target_height / doc_height;
5283 if (doc_width * scale > target_width)
5284 scale = (double) (target_height - vsb_height) / doc_height;
5290 zoom_for_size_best_fit (int doc_width,
5300 w_scale = (double)target_width / doc_width;
5301 h_scale = (double)target_height / doc_height;
5303 if (doc_height * w_scale > target_height)
5304 w_scale = (double) (target_width - vsb_width) / doc_width;
5305 if (doc_width * h_scale > target_width)
5306 h_scale = (double) (target_height - hsb_width) / doc_height;
5308 return MIN (w_scale, h_scale);
5313 ev_view_zoom_for_size_presentation (EvView *view,
5317 int doc_width, doc_height;
5320 ev_page_cache_get_size (view->page_cache,
5326 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
5327 ev_view_set_zoom (view, scale, FALSE);
5331 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
5337 int doc_width, doc_height;
5341 ev_page_cache_get_max_width (view->page_cache,
5345 ev_page_cache_get_max_height (view->page_cache,
5349 compute_border (view, doc_width, doc_height, &border);
5351 doc_width = doc_width * 2;
5352 width -= (2 * (border.left + border.right) + 3 * view->spacing);
5353 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5355 /* FIXME: We really need to calculate the overall height here, not the
5356 * page height. We assume there's always a vertical scrollbar for
5357 * now. We need to fix this. */
5358 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5359 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
5360 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5361 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
5363 g_assert_not_reached ();
5365 ev_view_set_zoom (view, scale, FALSE);
5369 ev_view_zoom_for_size_continuous (EvView *view,
5375 int doc_width, doc_height;
5379 ev_page_cache_get_max_width (view->page_cache,
5383 ev_page_cache_get_max_height (view->page_cache,
5387 compute_border (view, doc_width, doc_height, &border);
5389 width -= (border.left + border.right + 2 * view->spacing);
5390 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5392 /* FIXME: We really need to calculate the overall height here, not the
5393 * page height. We assume there's always a vertical scrollbar for
5394 * now. We need to fix this. */
5395 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5396 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
5397 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5398 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
5400 g_assert_not_reached ();
5402 ev_view_set_zoom (view, scale, FALSE);
5406 ev_view_zoom_for_size_dual_page (EvView *view,
5413 gint doc_width, doc_height;
5417 other_page = view->current_page ^ 1;
5419 /* Find the largest of the two. */
5420 ev_page_cache_get_size (view->page_cache,
5424 &doc_width, &doc_height);
5426 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
5427 gint width_2, height_2;
5428 ev_page_cache_get_size (view->page_cache,
5432 &width_2, &height_2);
5433 if (width_2 > doc_width)
5434 doc_width = width_2;
5435 if (height_2 > doc_height)
5436 doc_height = height_2;
5438 compute_border (view, doc_width, doc_height, &border);
5440 doc_width = doc_width * 2;
5441 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
5442 height -= (border.top + border.bottom + 2 * view->spacing);
5444 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5445 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
5446 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5447 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
5449 g_assert_not_reached ();
5451 ev_view_set_zoom (view, scale, FALSE);
5455 ev_view_zoom_for_size_single_page (EvView *view,
5461 int doc_width, doc_height;
5465 ev_page_cache_get_size (view->page_cache,
5471 /* Get an approximate border */
5472 compute_border (view, width, height, &border);
5474 width -= (border.left + border.right + 2 * view->spacing);
5475 height -= (border.top + border.bottom + 2 * view->spacing);
5477 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5478 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
5479 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5480 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
5482 g_assert_not_reached ();
5484 ev_view_set_zoom (view, scale, FALSE);
5488 ev_view_set_zoom_for_size (EvView *view,
5494 g_return_if_fail (EV_IS_VIEW (view));
5495 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
5496 view->sizing_mode == EV_SIZING_BEST_FIT);
5497 g_return_if_fail (width >= 0);
5498 g_return_if_fail (height >= 0);
5500 if (view->document == NULL)
5503 if (view->presentation)
5504 ev_view_zoom_for_size_presentation (view, width, height);
5505 else if (view->continuous && view->dual_page)
5506 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
5507 else if (view->continuous)
5508 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
5509 else if (view->dual_page)
5510 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
5512 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
5517 ev_view_find_get_n_results (EvView *view, gint page)
5519 return view->find_pages ? g_list_length (view->find_pages[page]) : 0;
5522 static EvRectangle *
5523 ev_view_find_get_result (EvView *view, gint page, gint result)
5525 return view->find_pages ? (EvRectangle *) g_list_nth_data (view->find_pages[page], result) : NULL;
5529 jump_to_find_result (EvView *view)
5532 gint page = view->current_page;
5534 n_results = ev_view_find_get_n_results (view, page);
5536 if (n_results > 0 && view->find_result < n_results) {
5538 GdkRectangle view_rect;
5540 rect = ev_view_find_get_result (view, page, view->find_result);
5541 doc_rect_to_view_rect (view, page, rect, &view_rect);
5542 ensure_rectangle_is_visible (view, &view_rect);
5543 view->jump_to_find_result = FALSE;
5549 * @view: #EvView instance
5550 * @direction: Direction to look
5551 * @shift: Shift from current page
5553 * Jumps to the first page that has occurences of searched word.
5554 * Uses a direction where to look and a shift from current page.
5558 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
5562 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5564 for (i = 0; i < n_pages; i++) {
5567 if (direction == EV_VIEW_FIND_NEXT)
5568 page = view->current_page + i;
5570 page = view->current_page - i;
5573 if (page >= n_pages) {
5574 page = page - n_pages;
5575 } else if (page < 0)
5576 page = page + n_pages;
5578 if (ev_view_find_get_n_results (view, page) > 0) {
5579 ev_page_cache_set_current_page (view->page_cache, page);
5586 ev_view_find_changed (EvView *view, GList **results, gint page)
5588 view->find_pages = results;
5590 if (view->jump_to_find_result == TRUE) {
5591 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
5592 jump_to_find_result (view);
5595 if (view->current_page == page)
5596 gtk_widget_queue_draw (GTK_WIDGET (view));
5600 ev_view_find_next (EvView *view)
5604 n_results = ev_view_find_get_n_results (view, view->current_page);
5605 view->find_result++;
5607 if (view->find_result >= n_results) {
5608 view->find_result = 0;
5609 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
5610 jump_to_find_result (view);
5612 jump_to_find_result (view);
5613 gtk_widget_queue_draw (GTK_WIDGET (view));
5618 ev_view_find_previous (EvView *view)
5620 view->find_result--;
5622 if (view->find_result < 0) {
5623 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
5624 view->find_result = MAX (0, ev_view_find_get_n_results (view, view->current_page) - 1);
5625 jump_to_find_result (view);
5627 jump_to_find_result (view);
5628 gtk_widget_queue_draw (GTK_WIDGET (view));
5633 ev_view_find_search_changed (EvView *view)
5635 /* search string has changed, focus on new search result */
5636 view->jump_to_find_result = TRUE;
5637 view->find_pages = NULL;
5641 ev_view_find_set_highlight_search (EvView *view, gboolean value)
5643 view->highlight_find_results = value;
5644 gtk_widget_queue_draw (GTK_WIDGET (view));
5648 ev_view_find_cancel (EvView *view)
5650 view->find_pages = NULL;
5653 /*** Selections ***/
5655 /* compute_new_selection_rect/text calculates the area currently selected by
5656 * view_rect. each handles a different mode;
5659 compute_new_selection_rect (EvView *view,
5663 GdkRectangle view_rect;
5667 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
5669 view_rect.x = MIN (start->x, stop->x);
5670 view_rect.y = MIN (start->y, stop->y);
5671 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
5672 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
5674 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5676 for (i = 0; i < n_pages; i++) {
5677 GdkRectangle page_area;
5680 if (get_page_extents (view, i, &page_area, &border)) {
5681 GdkRectangle overlap;
5683 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
5684 EvViewSelection *selection;
5686 selection = g_new0 (EvViewSelection, 1);
5687 selection->page = i;
5688 view_rect_to_doc_rect (view, &overlap, &page_area,
5689 &(selection->rect));
5691 list = g_list_append (list, selection);
5700 gdk_rectangle_point_in (GdkRectangle *rectangle,
5703 return rectangle->x <= point->x &&
5704 rectangle->y <= point->y &&
5705 point->x < rectangle->x + rectangle->width &&
5706 point->y < rectangle->y + rectangle->height;
5710 compute_new_selection_text (EvView *view,
5711 EvSelectionStyle style,
5715 int n_pages, i, first, last;
5717 EvViewSelection *selection;
5719 int start_page, end_page;
5721 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
5723 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5725 /* First figure out the range of pages the selection
5729 if (view->continuous) {
5732 } else if (view->dual_page) {
5733 start_page = view->start_page;
5734 end_page = view->end_page + 1;
5736 start_page = view->current_page;
5737 end_page = view->current_page + 1;
5740 for (i = start_page; i < end_page; i++) {
5741 GdkRectangle page_area;
5744 get_page_extents (view, i, &page_area, &border);
5745 if (gdk_rectangle_point_in (&page_area, start) ||
5746 gdk_rectangle_point_in (&page_area, stop)) {
5747 if (first == n_pages)
5754 /* Now create a list of EvViewSelection's for the affected
5755 * pages. This could be an empty list, a list of just one
5756 * page or a number of pages.*/
5757 for (i = first; i < last + 1; i++) {
5758 GdkRectangle page_area;
5762 ev_page_cache_get_size (view->page_cache, i,
5764 1.0, &width, &height);
5766 selection = g_new0 (EvViewSelection, 1);
5767 selection->page = i;
5768 selection->style = style;
5769 selection->rect.x1 = selection->rect.y1 = 0;
5770 selection->rect.x2 = width;
5771 selection->rect.y2 = height;
5773 get_page_extents (view, i, &page_area, &border);
5775 if (gdk_rectangle_point_in (&page_area, start))
5781 view_point_to_doc_point (view, point, &page_area,
5782 &selection->rect.x1,
5783 &selection->rect.y1);
5785 /* If the selection is contained within just one page,
5786 * make sure we don't write 'start' into both points
5787 * in selection->rect. */
5792 view_point_to_doc_point (view, point, &page_area,
5793 &selection->rect.x2,
5794 &selection->rect.y2);
5796 list = g_list_append (list, selection);
5802 /* This function takes the newly calculated list, and figures out which regions
5803 * have changed. It then queues a redraw approporiately.
5806 merge_selection_region (EvView *view,
5810 GList *new_list_ptr, *old_list_ptr;
5812 /* Update the selection */
5813 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
5814 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5815 g_list_free (view->selection_info.selections);
5816 view->selection_info.selections = new_list;
5817 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
5818 g_object_notify (G_OBJECT (view), "has-selection");
5820 new_list_ptr = new_list;
5821 old_list_ptr = old_list;
5823 while (new_list_ptr || old_list_ptr) {
5824 EvViewSelection *old_sel, *new_sel;
5826 GdkRegion *region = NULL;
5828 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
5829 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
5831 /* Assume that the lists are in order, and we run through them
5832 * comparing them, one page at a time. We come out with the
5833 * first page we see. */
5834 if (new_sel && old_sel) {
5835 if (new_sel->page < old_sel->page) {
5836 new_list_ptr = new_list_ptr->next;
5838 } else if (new_sel->page > old_sel->page) {
5839 old_list_ptr = old_list_ptr->next;
5842 new_list_ptr = new_list_ptr->next;
5843 old_list_ptr = old_list_ptr->next;
5845 } else if (new_sel) {
5846 new_list_ptr = new_list_ptr->next;
5847 } else if (old_sel) {
5848 old_list_ptr = old_list_ptr->next;
5851 g_assert (new_sel || old_sel);
5853 /* is the page we're looking at on the screen?*/
5854 cur_page = new_sel ? new_sel->page : old_sel->page;
5855 if (cur_page < view->start_page || cur_page > view->end_page)
5858 /* seed the cache with a new page. We are going to need the new
5861 GdkRegion *tmp_region = NULL;
5863 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
5869 new_sel->covered_region = gdk_region_copy (tmp_region);
5873 /* Now we figure out what needs redrawing */
5874 if (old_sel && new_sel) {
5875 if (old_sel->covered_region && new_sel->covered_region) {
5876 /* We only want to redraw the areas that have
5877 * changed, so we xor the old and new regions
5878 * and redraw if it's different */
5879 region = gdk_region_copy (old_sel->covered_region);
5880 gdk_region_xor (region, new_sel->covered_region);
5881 if (gdk_region_empty (region)) {
5882 gdk_region_destroy (region);
5885 } else if (old_sel->covered_region) {
5886 region = gdk_region_copy (old_sel->covered_region);
5887 } else if (new_sel->covered_region) {
5888 region = gdk_region_copy (new_sel->covered_region);
5890 } else if (old_sel && !new_sel) {
5891 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
5892 region = gdk_region_copy (old_sel->covered_region);
5894 } else if (!old_sel && new_sel) {
5895 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
5896 region = gdk_region_copy (new_sel->covered_region);
5899 g_assert_not_reached ();
5902 /* Redraw the damaged region! */
5904 GdkRectangle page_area;
5907 /* I don't know why but the region is smaller
5908 * than expected. This hack fixes it, I guess
5909 * 10 pixels more won't hurt
5911 gdk_region_shrink (region, -5, -5);
5913 get_page_extents (view, cur_page, &page_area, &border);
5914 gdk_region_offset (region,
5915 page_area.x + border.left - view->scroll_x,
5916 page_area.y + border.top - view->scroll_y);
5917 gdk_window_invalidate_region (view->layout.bin_window, region, TRUE);
5918 gdk_region_destroy (region);
5922 /* Free the old list, now that we're done with it. */
5923 g_list_foreach (old_list, (GFunc) selection_free, NULL);
5924 g_list_free (old_list);
5928 compute_selections (EvView *view,
5929 EvSelectionStyle style,
5935 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
5936 list = compute_new_selection_rect (view, start, stop);
5938 list = compute_new_selection_text (view, style, start, stop);
5939 merge_selection_region (view, list);
5942 /* Free's the selection. It's up to the caller to queue redraws if needed.
5945 selection_free (EvViewSelection *selection)
5947 if (selection->covered_region)
5948 gdk_region_destroy (selection->covered_region);
5953 clear_selection (EvView *view)
5955 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5956 g_list_free (view->selection_info.selections);
5957 view->selection_info.selections = NULL;
5958 view->selection_info.in_selection = FALSE;
5959 if (view->pixbuf_cache)
5960 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
5961 g_object_notify (G_OBJECT (view), "has-selection");
5965 ev_view_select_all (EvView *view)
5967 GList *selections = NULL;
5970 /* Disable selection on rotated pages for the 0.4.0 series */
5971 if (view->rotation != 0)
5974 clear_selection (view);
5976 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5977 for (i = 0; i < n_pages; i++) {
5979 EvViewSelection *selection;
5981 ev_page_cache_get_size (view->page_cache,
5984 1.0, &width, &height);
5986 selection = g_new0 (EvViewSelection, 1);
5987 selection->page = i;
5988 selection->style = EV_SELECTION_STYLE_GLYPH;
5989 selection->rect.x1 = selection->rect.y1 = 0;
5990 selection->rect.x2 = width;
5991 selection->rect.y2 = height;
5993 selections = g_list_append (selections, selection);
5996 merge_selection_region (view, selections);
5997 gtk_widget_queue_draw (GTK_WIDGET (view));
6001 ev_view_get_has_selection (EvView *view)
6003 return view->selection_info.selections != NULL;
6007 get_selected_text (EvView *view)
6011 gchar *normalized_text;
6012 EvRenderContext *rc;
6014 text = g_string_new (NULL);
6015 rc = ev_render_context_new (NULL, view->rotation, view->scale);
6017 ev_document_doc_mutex_lock ();
6019 for (l = view->selection_info.selections; l != NULL; l = l->next) {
6020 EvViewSelection *selection = (EvViewSelection *)l->data;
6024 page = ev_document_get_page (view->document, selection->page);
6025 ev_render_context_set_page (rc, page);
6026 g_object_unref (page);
6028 tmp = ev_selection_get_selected_text (EV_SELECTION (view->document),
6029 rc, selection->style,
6030 &(selection->rect));
6032 g_string_append (text, tmp);
6036 g_object_unref (rc);
6038 ev_document_doc_mutex_unlock ();
6040 normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC);
6041 g_string_free (text, TRUE);
6042 return normalized_text;
6046 ev_view_clipboard_copy (EvView *view,
6049 GtkClipboard *clipboard;
6051 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
6052 GDK_SELECTION_CLIPBOARD);
6053 gtk_clipboard_set_text (clipboard, text, -1);
6057 ev_view_copy (EvView *ev_view)
6061 if (!EV_IS_SELECTION (ev_view->document))
6064 text = get_selected_text (ev_view);
6065 ev_view_clipboard_copy (ev_view, text);
6070 ev_view_primary_get_cb (GtkClipboard *clipboard,
6071 GtkSelectionData *selection_data,
6075 EvView *ev_view = EV_VIEW (data);
6077 if (ev_view->link_selected) {
6078 gtk_selection_data_set_text (selection_data,
6079 ev_link_action_get_uri (ev_view->link_selected),
6081 } else if (EV_IS_SELECTION (ev_view->document) &&
6082 ev_view->selection_info.selections) {
6085 text = get_selected_text (ev_view);
6087 gtk_selection_data_set_text (selection_data, text, -1);
6094 ev_view_primary_clear_cb (GtkClipboard *clipboard,
6097 EvView *view = EV_VIEW (data);
6099 clear_selection (view);
6100 clear_link_selected (view);
6104 ev_view_update_primary_selection (EvView *ev_view)
6106 GtkClipboard *clipboard;
6108 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
6109 GDK_SELECTION_PRIMARY);
6111 if (ev_view->selection_info.selections || ev_view->link_selected) {
6112 GtkTargetList *target_list;
6113 GtkTargetEntry *targets;
6116 target_list = gtk_target_list_new (NULL, 0);
6117 gtk_target_list_add_text_targets (target_list, 0);
6118 targets = gtk_target_table_new_from_list (target_list, &n_targets);
6119 gtk_target_list_unref (target_list);
6121 if (!gtk_clipboard_set_with_owner (clipboard,
6123 ev_view_primary_get_cb,
6124 ev_view_primary_clear_cb,
6125 G_OBJECT (ev_view)))
6126 ev_view_primary_clear_cb (clipboard, ev_view);
6128 gtk_target_table_free (targets, n_targets);
6130 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
6131 gtk_clipboard_clear (clipboard);
6136 clear_link_selected (EvView *view)
6138 if (view->link_selected) {
6139 g_object_unref (view->link_selected);
6140 view->link_selected = NULL;
6145 ev_view_copy_link_address (EvView *view,
6146 EvLinkAction *action)
6148 clear_link_selected (view);
6150 ev_view_clipboard_copy (view, ev_link_action_get_uri (action));
6152 view->link_selected = g_object_ref (action);
6153 ev_view_update_primary_selection (view);
6156 /*** Cursor operations ***/
6159 ev_view_create_invisible_cursor(void)
6162 GdkColor black = { 0, 0, 0, 0 };
6163 static char bits[] = { 0x00 };
6165 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
6167 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
6171 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
6173 GdkCursor *cursor = NULL;
6174 GdkDisplay *display;
6177 if (view->cursor == new_cursor) {
6181 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
6182 display = gtk_widget_get_display (widget);
6183 view->cursor = new_cursor;
6185 switch (new_cursor) {
6186 case EV_VIEW_CURSOR_NORMAL:
6187 gdk_window_set_cursor (view->layout.bin_window, NULL);
6189 case EV_VIEW_CURSOR_IBEAM:
6190 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
6192 case EV_VIEW_CURSOR_LINK:
6193 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
6195 case EV_VIEW_CURSOR_WAIT:
6196 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
6198 case EV_VIEW_CURSOR_HIDDEN:
6199 cursor = ev_view_create_invisible_cursor ();
6201 case EV_VIEW_CURSOR_DRAG:
6202 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
6204 case EV_VIEW_CURSOR_AUTOSCROLL:
6205 cursor = gdk_cursor_new_for_display (display, GDK_DOUBLE_ARROW);
6210 gdk_window_set_cursor (view->layout.bin_window, cursor);
6211 gdk_cursor_unref (cursor);
6217 ev_view_hide_cursor (EvView *view)
6219 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
6223 ev_view_show_cursor (EvView *view)
6225 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
6229 ev_view_reset_presentation_state (EvView *view)
6231 if (!view->presentation ||
6232 view->presentation_state == EV_PRESENTATION_NORMAL)
6235 view->presentation_state = EV_PRESENTATION_NORMAL;
6236 gdk_window_set_background (view->layout.bin_window,
6237 >K_WIDGET (view)->style->black);
6238 gtk_widget_queue_draw (GTK_WIDGET (view));
6242 ev_view_next_page (EvView *view)
6246 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
6248 if (!view->page_cache)
6251 if (view->presentation &&
6252 (view->presentation_state == EV_PRESENTATION_BLACK ||
6253 view->presentation_state == EV_PRESENTATION_WHITE)) {
6254 ev_view_reset_presentation_state (view);
6258 if (view->animation) {
6259 ev_view_transition_animation_cancel (view->animation, view);
6262 ev_view_presentation_transition_stop (view);
6263 ev_view_reset_presentation_state (view);
6265 page = ev_page_cache_get_current_page (view->page_cache);
6266 n_pages = ev_page_cache_get_n_pages (view->page_cache);
6268 if (view->dual_page && !view->presentation)
6273 if (page < n_pages) {
6274 ev_page_cache_set_current_page (view->page_cache, page);
6276 } else if (view->presentation && page == n_pages) {
6277 view->presentation_state = EV_PRESENTATION_END;
6278 gtk_widget_queue_draw (GTK_WIDGET (view));
6280 } else if (view->dual_page && page == n_pages) {
6281 ev_page_cache_set_current_page (view->page_cache, page - 1);
6289 ev_view_previous_page (EvView *view)
6293 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
6295 if (!view->page_cache)
6298 if (view->presentation &&
6299 view->presentation_state == EV_PRESENTATION_END) {
6300 ev_view_reset_presentation_state (view);
6304 if (view->presentation &&
6305 (view->presentation_state == EV_PRESENTATION_BLACK ||
6306 view->presentation_state == EV_PRESENTATION_WHITE)) {
6307 ev_view_reset_presentation_state (view);
6311 if (view->animation) {
6312 ev_view_transition_animation_cancel (view->animation, view);
6315 ev_view_reset_presentation_state (view);
6317 page = ev_page_cache_get_current_page (view->page_cache);
6319 if (view->dual_page && !view->presentation)
6325 ev_page_cache_set_current_page (view->page_cache, page);
6327 } else if (ev_view_get_dual_page (view) && page == -1) {
6328 ev_page_cache_set_current_page (view->page_cache, 0);