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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
27 #include <glib/gi18n-lib.h>
29 #include <gdk/gdkkeysyms.h>
31 #include "ev-mapping-list.h"
32 #include "ev-document-forms.h"
33 #include "ev-document-images.h"
34 #include "ev-document-links.h"
35 #include "ev-document-layers.h"
36 #include "ev-document-misc.h"
37 #include "ev-pixbuf-cache.h"
38 #include "ev-page-cache.h"
39 #include "ev-view-marshal.h"
40 #include "ev-document-annotations.h"
41 #include "ev-annotation-window.h"
42 #include "ev-loading-window.h"
44 #include "ev-view-accessible.h"
45 #include "ev-view-private.h"
46 #include "ev-view-type-builtins.h"
48 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
49 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
50 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
51 #include <../gnome-games/libgames-support/games-debug.h>
54 SIGNAL_BINDING_ACTIVATED,
58 SIGNAL_SELECTION_CHANGED,
61 SIGNAL_LAYERS_CHANGED,
71 static guint signals[N_SIGNALS];
76 } EvViewFindDirection;
78 #define ZOOM_IN_FACTOR 1.2
79 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
81 #define SCROLL_TIME 150
84 static void ev_view_set_scroll_adjustments (GtkLayout *layout,
85 GtkAdjustment *hadjustment,
86 GtkAdjustment *vadjustment);
87 static void view_update_range_and_current_page (EvView *view);
88 static void set_scroll_adjustment (EvView *view,
89 GtkOrientation orientation,
90 GtkAdjustment *adjustment);
91 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
93 GdkModifierType modifiers,
96 static void ensure_rectangle_is_visible (EvView *view,
99 /*** Geometry computations ***/
100 static void compute_border (EvView *view,
104 static void get_page_y_offset (EvView *view,
107 static void view_rect_to_doc_rect (EvView *view,
108 GdkRectangle *view_rect,
109 GdkRectangle *page_area,
110 EvRectangle *doc_rect);
111 static void doc_rect_to_view_rect (EvView *view,
113 EvRectangle *doc_rect,
114 GdkRectangle *view_rect);
115 static gboolean get_dual_even_left (EvView *view);
116 static void find_page_at_location (EvView *view,
122 static void doc_point_to_view_point (EvView *view,
125 GdkPoint *view_point);
127 static EvLink * ev_view_get_link_at_location (EvView *view,
130 static char* tip_from_link (EvView *view,
133 static EvFormField *ev_view_get_form_field_at_location (EvView *view,
137 /*** Annotations ***/
138 static EvAnnotation *ev_view_get_annotation_at_location (EvView *view,
141 static void show_annotation_windows (EvView *view,
143 static void hide_annotation_windows (EvView *view,
145 /*** GtkWidget implementation ***/
146 static void ev_view_size_request_continuous_dual_page (EvView *view,
147 GtkRequisition *requisition);
148 static void ev_view_size_request_continuous (EvView *view,
149 GtkRequisition *requisition);
150 static void ev_view_size_request_dual_page (EvView *view,
151 GtkRequisition *requisition);
152 static void ev_view_size_request_single_page (EvView *view,
153 GtkRequisition *requisition);
154 static void ev_view_size_request (GtkWidget *widget,
155 GtkRequisition *requisition);
156 static void ev_view_size_allocate (GtkWidget *widget,
157 GtkAllocation *allocation);
158 static void ev_view_realize (GtkWidget *widget);
159 static gboolean ev_view_scroll_event (GtkWidget *widget,
160 GdkEventScroll *event);
161 #if GTK_CHECK_VERSION (2, 90, 8)
162 static gboolean ev_view_draw (GtkWidget *widget,
167 static gboolean ev_view_expose_event (GtkWidget *widget,
168 GdkEventExpose *event);
170 static gboolean ev_view_popup_menu (GtkWidget *widget);
171 static gboolean ev_view_button_press_event (GtkWidget *widget,
172 GdkEventButton *event);
173 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
174 GdkEventMotion *event);
175 static gboolean ev_view_button_release_event (GtkWidget *widget,
176 GdkEventButton *event);
177 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
178 GdkEventCrossing *event);
179 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
180 GdkEventCrossing *event);
181 static void ev_view_style_set (GtkWidget *widget,
182 GtkStyle *old_style);
183 static void ev_view_remove_all (EvView *view);
185 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
188 static void highlight_find_results (EvView *view,
191 static void highlight_forward_search_results (EvView *view,
194 static void focus_annotation (EvView *view,
198 static void draw_one_page (EvView *view,
201 GdkRectangle *page_area,
203 GdkRectangle *expose_area,
204 gboolean *page_ready);
205 static void show_loading_window (EvView *view);
206 static void hide_loading_window (EvView *view);
207 static void ev_view_reload_page (EvView *view,
209 cairo_region_t *region);
210 static void ev_view_loading_window_move (EvView *view);
213 static void ev_view_change_page (EvView *view,
215 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
216 cairo_region_t *region,
218 static void ev_view_page_changed_cb (EvDocumentModel *model,
222 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
226 static void ev_view_finalize (GObject *object);
227 static void ev_view_destroy (GtkObject *object);
228 static void ev_view_class_init (EvViewClass *class);
229 static void ev_view_init (EvView *view);
231 /*** Zoom and sizing ***/
232 static double zoom_for_size_fit_width (gdouble doc_width,
236 static double zoom_for_size_fit_height (gdouble doc_width,
240 static double zoom_for_size_best_fit (gdouble doc_width,
244 static void ev_view_zoom_for_size (EvView *view,
247 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
250 static void ev_view_zoom_for_size_continuous (EvView *view,
253 static void ev_view_zoom_for_size_dual_page (EvView *view,
256 static void ev_view_zoom_for_size_single_page (EvView *view,
260 static void ev_view_set_cursor (EvView *view,
261 EvViewCursor new_cursor);
262 static void ev_view_handle_cursor_over_xy (EvView *view,
267 static gint ev_view_find_get_n_results (EvView *view,
269 static EvRectangle *ev_view_find_get_result (EvView *view,
272 static void jump_to_find_result (EvView *view);
273 static void jump_to_find_page (EvView *view,
274 EvViewFindDirection direction,
277 static void compute_selections (EvView *view,
278 EvSelectionStyle style,
281 static void clear_selection (EvView *view);
282 static void clear_link_selected (EvView *view);
283 static void selection_free (EvViewSelection *selection);
284 static char* get_selected_text (EvView *ev_view);
285 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
286 GtkSelectionData *selection_data,
289 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
291 static void ev_view_update_primary_selection (EvView *ev_view);
293 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_LAYOUT)
295 /* HeightToPage cache */
296 #define EV_HEIGHT_TO_PAGE_CACHE_KEY "ev-height-to-page-cache"
299 build_height_to_page (EvHeightToPageCache *cache,
300 EvDocument *document,
303 gboolean swap, uniform, dual_even_left;
305 double uniform_height, page_height, next_page_height;
307 gdouble u_width, u_height;
310 swap = (rotation == 90 || rotation == 270);
312 uniform = ev_document_is_page_size_uniform (document);
313 n_pages = ev_document_get_n_pages (document);
314 dual_even_left = (n_pages > 2);
316 g_free (cache->height_to_page);
317 g_free (cache->dual_height_to_page);
319 cache->rotation = rotation;
320 cache->height_to_page = g_new0 (gdouble, n_pages + 1);
321 cache->dual_height_to_page = g_new0 (gdouble, n_pages + 2);
324 ev_document_get_page_size (document, 0, &u_width, &u_height);
327 for (i = 0; i <= n_pages; i++) {
329 uniform_height = swap ? u_width : u_height;
330 cache->height_to_page[i] = i * uniform_height;
335 ev_document_get_page_size (document, i, &w, &h);
336 page_height = swap ? w : h;
340 cache->height_to_page[i] = saved_height;
341 saved_height += page_height;
345 if (dual_even_left && !uniform) {
348 ev_document_get_page_size (document, 0, &w, &h);
349 saved_height = swap ? w : h;
354 for (i = dual_even_left; i < n_pages + 2; i += 2) {
356 uniform_height = swap ? u_width : u_height;
357 cache->dual_height_to_page[i] = ((i + dual_even_left) / 2) * uniform_height;
358 if (i + 1 < n_pages + 2)
359 cache->dual_height_to_page[i + 1] = ((i + dual_even_left) / 2) * uniform_height;
361 if (i + 1 < n_pages) {
364 ev_document_get_page_size (document, i + 1, &w, &h);
365 next_page_height = swap ? w : h;
367 next_page_height = 0;
373 ev_document_get_page_size (document, i, &w, &h);
374 page_height = swap ? w : h;
379 if (i + 1 < n_pages + 2) {
380 cache->dual_height_to_page[i] = saved_height;
381 cache->dual_height_to_page[i + 1] = saved_height;
382 saved_height += MAX(page_height, next_page_height);
384 cache->dual_height_to_page[i] = saved_height;
391 ev_height_to_page_cache_get_height (EvHeightToPageCache *cache,
392 EvDocument *document,
396 gdouble *dual_height)
398 if (cache->rotation != rotation)
399 build_height_to_page (cache, document, rotation);
401 *height = cache->height_to_page[page];
402 *dual_height = cache->dual_height_to_page[page];
406 ev_height_to_page_cache_free (EvHeightToPageCache *cache)
408 if (cache->height_to_page) {
409 g_free (cache->height_to_page);
410 cache->height_to_page = NULL;
413 if (cache->dual_height_to_page) {
414 g_free (cache->dual_height_to_page);
415 cache->dual_height_to_page = NULL;
420 static EvHeightToPageCache *
421 ev_view_get_height_to_page_cache (EvView *view)
423 EvHeightToPageCache *cache;
428 cache = g_object_get_data (G_OBJECT (view->document), EV_HEIGHT_TO_PAGE_CACHE_KEY);
430 cache = g_new0 (EvHeightToPageCache, 1);
431 build_height_to_page (cache, view->document, view->rotation);
432 g_object_set_data_full (G_OBJECT (view->document),
433 EV_HEIGHT_TO_PAGE_CACHE_KEY,
435 (GDestroyNotify)ev_height_to_page_cache_free);
442 ev_view_get_height_to_page (EvView *view,
449 if (!view->height_to_page_cache)
452 ev_height_to_page_cache_get_height (view->height_to_page_cache,
458 *height = (gint)(h * view->scale + 0.5);
461 *dual_height = (gint)(dh * view->scale + 0.5);
465 ev_view_get_scrollbar_size (EvView *view,
466 GtkOrientation orientation)
468 GtkWidget *widget = GTK_WIDGET (view);
470 GtkWidget *swindow = gtk_widget_get_parent (GTK_WIDGET (view));
471 GtkAllocation allocation;
475 if (!GTK_IS_SCROLLED_WINDOW (swindow))
478 gtk_widget_get_allocation (widget, &allocation);
480 if (orientation == GTK_ORIENTATION_VERTICAL) {
481 if (allocation.height >= view->requisition.height)
482 sb = gtk_scrolled_window_get_vscrollbar (GTK_SCROLLED_WINDOW (swindow));
486 if (allocation.width >= view->requisition.width)
487 sb = gtk_scrolled_window_get_hscrollbar (GTK_SCROLLED_WINDOW (swindow));
492 gtk_widget_style_get (swindow, "scrollbar_spacing", &spacing, NULL);
493 gtk_widget_size_request (sb, &req);
495 return (orientation == GTK_ORIENTATION_VERTICAL ? req.width : req.height) + spacing;
499 scroll_to_point (EvView *view,
502 GtkOrientation orientation)
505 gdouble upper, lower;
507 if (orientation == GTK_ORIENTATION_VERTICAL) {
508 page_size = gtk_adjustment_get_page_size (view->vadjustment);
509 upper = gtk_adjustment_get_upper (view->vadjustment);
510 lower = gtk_adjustment_get_lower (view->vadjustment);
512 if (view->continuous) {
513 gtk_adjustment_clamp_page (view->vadjustment,
514 y - view->spacing / 2,
517 gtk_adjustment_set_value (view->vadjustment,
518 CLAMP (y, lower, upper - page_size));
521 page_size = gtk_adjustment_get_page_size (view->hadjustment);
522 upper = gtk_adjustment_get_upper (view->hadjustment);
523 lower = gtk_adjustment_get_lower (view->hadjustment);
525 if (view->dual_page) {
526 gtk_adjustment_clamp_page (view->hadjustment, x,
529 gtk_adjustment_set_value (view->hadjustment,
530 CLAMP (x, lower, upper - page_size));
536 ev_view_scroll_to_page_position (EvView *view, GtkOrientation orientation)
543 if ((orientation == GTK_ORIENTATION_VERTICAL && view->pending_point.y == 0) ||
544 (orientation == GTK_ORIENTATION_HORIZONTAL && view->pending_point.x == 0)) {
545 GdkRectangle page_area;
548 ev_view_get_page_extents (view, view->current_page, &page_area, &border);
554 doc_point_to_view_point (view, view->current_page,
555 &view->pending_point, &view_point);
560 scroll_to_point (view, x, y, orientation);
564 view_set_adjustment_values (EvView *view,
565 GtkOrientation orientation)
567 GtkWidget *widget = GTK_WIDGET (view);
568 GtkAdjustment *adjustment;
569 GtkAllocation allocation;
578 gtk_widget_get_allocation (widget, &allocation);
580 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
581 req_size = view->requisition.width;
582 alloc_size = allocation.width;
583 adjustment = view->hadjustment;
585 req_size = view->requisition.height;
586 alloc_size = allocation.height;
587 adjustment = view->vadjustment;
594 value = gtk_adjustment_get_value (adjustment);
595 upper = gtk_adjustment_get_upper (adjustment);
596 page_size = gtk_adjustment_get_page_size (adjustment);
598 switch (view->pending_scroll) {
599 case SCROLL_TO_KEEP_POSITION:
600 case SCROLL_TO_FIND_LOCATION:
601 factor = value / upper;
603 case SCROLL_TO_PAGE_POSITION:
605 case SCROLL_TO_CENTER:
606 factor = (value + page_size * 0.5) / upper;
610 upper = MAX (alloc_size, req_size);
611 page_size = alloc_size;
613 gtk_adjustment_set_page_size (adjustment, page_size);
614 gtk_adjustment_set_step_increment (adjustment, alloc_size * 0.1);
615 gtk_adjustment_set_page_increment (adjustment, alloc_size * 0.9);
616 gtk_adjustment_set_lower (adjustment, 0);
617 gtk_adjustment_set_upper (adjustment, upper);
620 * We add 0.5 to the values before to average out our rounding errors.
622 switch (view->pending_scroll) {
623 case SCROLL_TO_KEEP_POSITION:
624 case SCROLL_TO_FIND_LOCATION:
625 new_value = CLAMP (upper * factor + 0.5, 0, upper - page_size);
626 gtk_adjustment_set_value (adjustment, (int)new_value);
628 case SCROLL_TO_PAGE_POSITION:
629 ev_view_scroll_to_page_position (view, orientation);
631 case SCROLL_TO_CENTER:
632 new_value = CLAMP (upper * factor - page_size * 0.5 + 0.5,
633 0, upper - page_size);
634 gtk_adjustment_set_value (adjustment, (int)new_value);
638 gtk_adjustment_changed (adjustment);
642 view_update_range_and_current_page (EvView *view)
644 gint start = view->start_page;
645 gint end = view->end_page;
647 if (ev_document_get_n_pages (view->document) <= 0 ||
648 !ev_document_check_dimensions (view->document))
651 if (view->continuous) {
652 GdkRectangle current_area, unused, page_area;
654 gboolean found = FALSE;
655 gint area_max = -1, area;
656 gint best_current_page = -1;
659 if (!(view->vadjustment && view->hadjustment))
662 current_area.x = gtk_adjustment_get_value (view->hadjustment);
663 current_area.width = gtk_adjustment_get_page_size (view->hadjustment);
664 current_area.y = gtk_adjustment_get_value (view->vadjustment);
665 current_area.height = gtk_adjustment_get_page_size (view->vadjustment);
667 for (i = 0; i < ev_document_get_n_pages (view->document); i++) {
669 ev_view_get_page_extents (view, i, &page_area, &border);
671 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
672 area = unused.width * unused.height;
676 view->start_page = i;
678 best_current_page = i;
680 if (area > area_max) {
681 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
687 } else if (found && view->current_page <= view->end_page) {
688 if (view->dual_page && j < 1) {
689 /* In dual mode we stop searching
690 * after two consecutive non-visible pages.
699 if (view->pending_scroll == SCROLL_TO_KEEP_POSITION) {
700 best_current_page = MAX (best_current_page, view->start_page);
702 if (view->current_page != best_current_page) {
703 view->current_page = best_current_page;
704 hide_loading_window (view);
705 ev_document_model_set_page (view->model, best_current_page);
708 } else if (view->dual_page) {
709 if (view->current_page % 2 == get_dual_even_left (view)) {
710 view->start_page = view->current_page;
711 if (view->current_page + 1 < ev_document_get_n_pages (view->document))
712 view->end_page = view->start_page + 1;
714 view->end_page = view->start_page;
716 if (view->current_page < 1)
717 view->start_page = view->current_page;
719 view->start_page = view->current_page - 1;
720 view->end_page = view->current_page;
723 view->start_page = view->current_page;
724 view->end_page = view->current_page;
727 if (view->start_page == -1 || view->end_page == -1)
730 if (start != view->start_page || end != view->end_page) {
733 for (i = start; i < view->start_page && start != -1; i++) {
734 hide_annotation_windows (view, i);
737 for (i = end; i > view->end_page && end != -1; i--) {
738 hide_annotation_windows (view, i);
742 ev_page_cache_set_page_range (view->page_cache,
745 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
748 view->selection_info.selections);
750 if (ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page))
751 gtk_widget_queue_draw (GTK_WIDGET (view));
755 set_scroll_adjustment (EvView *view,
756 GtkOrientation orientation,
757 GtkAdjustment *adjustment)
759 GtkAdjustment **to_set;
761 if (orientation == GTK_ORIENTATION_HORIZONTAL)
762 to_set = &view->hadjustment;
764 to_set = &view->vadjustment;
766 if (*to_set != adjustment) {
768 g_signal_handlers_disconnect_by_func (*to_set,
769 (gpointer) on_adjustment_value_changed,
771 g_object_unref (*to_set);
774 *to_set = adjustment;
775 view_set_adjustment_values (view, orientation);
778 g_object_ref (*to_set);
779 g_signal_connect (*to_set, "value_changed",
780 G_CALLBACK (on_adjustment_value_changed), view);
786 ev_view_set_scroll_adjustments (GtkLayout *layout,
787 GtkAdjustment *hadjustment,
788 GtkAdjustment *vadjustment)
790 EvView *view = EV_VIEW (layout);
792 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
793 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
795 on_adjustment_value_changed (NULL, view);
799 add_scroll_binding_keypad (GtkBindingSet *binding_set,
801 GdkModifierType modifiers,
802 GtkScrollType scroll,
805 guint keypad_keyval = keyval - GDK_KEY_Left + GDK_KEY_KP_Left;
807 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
808 "binding_activated", 2,
809 GTK_TYPE_SCROLL_TYPE, scroll,
810 G_TYPE_BOOLEAN, horizontal);
811 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
812 "binding_activated", 2,
813 GTK_TYPE_SCROLL_TYPE, scroll,
814 G_TYPE_BOOLEAN, horizontal);
818 compute_scroll_increment (EvView *view,
819 GtkScrollType scroll)
821 GtkWidget *widget = GTK_WIDGET (view);
822 GtkAdjustment *adjustment = view->vadjustment;
823 cairo_region_t *text_region, *region;
824 GtkAllocation allocation;
827 EvRectangle doc_rect;
828 GdkRectangle page_area;
830 gdouble fraction = 1.0;
832 if (scroll != GTK_SCROLL_PAGE_BACKWARD && scroll != GTK_SCROLL_PAGE_FORWARD)
833 return gtk_adjustment_get_page_size (adjustment);
835 page = scroll == GTK_SCROLL_PAGE_BACKWARD ? view->start_page : view->end_page;
837 text_region = ev_page_cache_get_text_mapping (view->page_cache, page);
838 if (!text_region || cairo_region_is_empty (text_region))
839 return gtk_adjustment_get_page_size (adjustment);
841 gtk_widget_get_allocation (widget, &allocation);
842 ev_view_get_page_extents (view, page, &page_area, &border);
843 rect.x = page_area.x + view->scroll_x;
844 rect.y = view->scroll_y + (scroll == GTK_SCROLL_PAGE_BACKWARD ? 5 : allocation.height - 5);
845 rect.width = page_area.width;
847 view_rect_to_doc_rect (view, &rect, &page_area, &doc_rect);
849 /* Convert the doc rectangle into a GdkRectangle */
850 rect.x = doc_rect.x1;
851 rect.y = doc_rect.y1;
852 rect.width = doc_rect.x2 - doc_rect.x1;
853 rect.height = MAX (1, doc_rect.y2 - doc_rect.y1);
854 region = cairo_region_create_rectangle (&rect);
856 cairo_region_intersect (region, text_region);
857 if (cairo_region_num_rectangles (region)) {
860 cairo_region_t *sel_region;
862 cairo_region_get_rectangle (region, 0, &rect);
863 ev_page = ev_document_get_page (view->document, page);
864 rc = ev_render_context_new (ev_page, view->rotation, view->scale);
865 g_object_unref (ev_page);
866 /* Get the selection region to know the height of the line */
867 doc_rect.x1 = doc_rect.x2 = rect.x + 0.5;
868 doc_rect.y1 = doc_rect.y2 = rect.y + 0.5;
870 ev_document_doc_mutex_lock ();
871 sel_region = ev_selection_get_selection_region (EV_SELECTION (view->document),
872 rc, EV_SELECTION_STYLE_LINE,
874 ev_document_doc_mutex_unlock ();
878 if (cairo_region_num_rectangles (sel_region) > 0) {
879 cairo_region_get_rectangle (sel_region, 0, &rect);
880 fraction = 1 - (rect.height / gtk_adjustment_get_page_size (adjustment));
882 cairo_region_destroy (sel_region);
884 cairo_region_destroy (region);
886 return gtk_adjustment_get_page_size (adjustment) * fraction;
891 ev_view_scroll (EvView *view,
892 GtkScrollType scroll,
895 GtkAdjustment *adjustment;
896 double value, increment;
897 gdouble upper, lower;
899 gdouble step_increment;
900 gboolean first_page = FALSE;
901 gboolean last_page = FALSE;
903 view->jump_to_find_result = FALSE;
905 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
907 case GTK_SCROLL_PAGE_BACKWARD:
908 case GTK_SCROLL_STEP_BACKWARD:
909 ev_view_previous_page (view);
911 case GTK_SCROLL_PAGE_FORWARD:
912 case GTK_SCROLL_STEP_FORWARD:
913 ev_view_next_page (view);
921 /* Assign values for increment and vertical adjustment */
922 adjustment = horizontal ? view->hadjustment : view->vadjustment;
923 value = gtk_adjustment_get_value (adjustment);
924 upper = gtk_adjustment_get_upper (adjustment);
925 lower = gtk_adjustment_get_lower (adjustment);
926 page_size = gtk_adjustment_get_page_size (adjustment);
927 step_increment = gtk_adjustment_get_step_increment (adjustment);
929 /* Assign boolean for first and last page */
930 if (view->current_page == 0)
932 if (view->current_page == ev_document_get_n_pages (view->document) - 1)
936 case GTK_SCROLL_PAGE_BACKWARD:
937 /* Do not jump backwards if at the first page */
938 if (value == lower && first_page) {
940 /* At the top of a page, assign the upper bound limit of previous page */
941 } else if (value == lower) {
942 value = upper - page_size;
943 ev_view_previous_page (view);
944 /* Jump to the top */
946 increment = compute_scroll_increment (view, GTK_SCROLL_PAGE_BACKWARD);
947 value = MAX (value - increment, lower);
950 case GTK_SCROLL_PAGE_FORWARD:
951 /* Do not jump forward if at the last page */
952 if (value == (upper - page_size) && last_page) {
954 /* At the bottom of a page, assign the lower bound limit of next page */
955 } else if (value == (upper - page_size)) {
957 ev_view_next_page (view);
958 /* Jump to the bottom */
960 increment = compute_scroll_increment (view, GTK_SCROLL_PAGE_FORWARD);
961 value = MIN (value + increment, upper - page_size);
964 case GTK_SCROLL_STEP_BACKWARD:
965 value -= step_increment;
967 case GTK_SCROLL_STEP_FORWARD:
968 value += step_increment;
970 case GTK_SCROLL_STEP_DOWN:
971 value -= step_increment / 10;
973 case GTK_SCROLL_STEP_UP:
974 value += step_increment / 10;
980 value = CLAMP (value, lower, upper - page_size);
982 gtk_adjustment_set_value (adjustment, value);
988 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
990 GtkWidget *widget = GTK_WIDGET (view);
991 GtkAdjustment *adjustment;
992 GtkAllocation allocation;
996 view->pending_scroll = SCROLL_TO_FIND_LOCATION;
998 gtk_widget_get_allocation (widget, &allocation);
1000 adjustment = view->vadjustment;
1001 adj_value = gtk_adjustment_get_value (adjustment);
1003 if (rect->y < adj_value) {
1004 value = MAX (gtk_adjustment_get_lower (adjustment), rect->y - MARGIN);
1005 gtk_adjustment_set_value (view->vadjustment, value);
1006 } else if (rect->y + rect->height > adj_value + allocation.height) {
1007 value = MIN (gtk_adjustment_get_upper (adjustment), rect->y + rect->height -
1008 allocation.height + MARGIN);
1009 gtk_adjustment_set_value (view->vadjustment, value);
1012 adjustment = view->hadjustment;
1013 adj_value = gtk_adjustment_get_value (adjustment);
1015 if (rect->x < adj_value) {
1016 value = MAX (gtk_adjustment_get_lower (adjustment), rect->x - MARGIN);
1017 gtk_adjustment_set_value (view->hadjustment, value);
1018 } else if (rect->x + rect->height > adj_value + allocation.width) {
1019 value = MIN (gtk_adjustment_get_upper (adjustment), rect->x + rect->width -
1020 allocation.width + MARGIN);
1021 gtk_adjustment_set_value (view->hadjustment, value);
1024 gtk_widget_queue_resize (GTK_WIDGET (view));
1027 /*** Geometry computations ***/
1030 compute_border (EvView *view, int width, int height, GtkBorder *border)
1032 ev_document_misc_get_page_border_size (width, height, border);
1036 _get_page_size_for_scale_and_rotation (EvDocument *document,
1046 ev_document_get_page_size (document, page, &w, &h);
1048 width = (gint)(w * scale + 0.5);
1049 height = (gint)(h * scale + 0.5);
1052 *page_width = (rotation == 0 || rotation == 180) ? width : height;
1054 *page_height = (rotation == 0 || rotation == 180) ? height : width;
1058 ev_view_get_page_size (EvView *view,
1063 _get_page_size_for_scale_and_rotation (view->document,
1072 ev_view_get_max_page_size (EvView *view,
1079 ev_document_get_max_page_size (view->document, &w, &h);
1081 width = (gint)(w * view->scale + 0.5);
1082 height = (gint)(h * view->scale + 0.5);
1085 *max_width = (view->rotation == 0 || view->rotation == 180) ? width : height;
1087 *max_height = (view->rotation == 0 || view->rotation == 180) ? height : width;
1091 get_page_y_offset (EvView *view, int page, int *y_offset)
1093 int max_width, offset;
1096 g_return_if_fail (y_offset != NULL);
1098 ev_view_get_max_page_size (view, &max_width, NULL);
1099 compute_border (view, max_width, max_width, &border);
1101 if (view->dual_page) {
1102 ev_view_get_height_to_page (view, page, NULL, &offset);
1103 offset += ((page + get_dual_even_left (view)) / 2 + 1) * view->spacing +
1104 ((page + get_dual_even_left (view)) / 2 ) * (border.top + border.bottom);
1106 ev_view_get_height_to_page (view, page, &offset, NULL);
1107 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
1115 ev_view_get_page_extents (EvView *view,
1117 GdkRectangle *page_area,
1122 GtkAllocation allocation;
1124 widget = GTK_WIDGET (view);
1125 gtk_widget_get_allocation (widget, &allocation);
1127 /* Get the size of the page */
1128 ev_view_get_page_size (view, page, &width, &height);
1129 compute_border (view, width, height, border);
1130 page_area->width = width + border->left + border->right;
1131 page_area->height = height + border->top + border->bottom;
1133 if (view->continuous) {
1137 ev_view_get_max_page_size (view, &max_width, NULL);
1138 max_width = max_width + border->left + border->right;
1139 /* Get the location of the bounding box */
1140 if (view->dual_page) {
1141 x = view->spacing + ((page % 2 == get_dual_even_left (view)) ? 0 : 1) * (max_width + view->spacing);
1142 x = x + MAX (0, allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
1143 if (page % 2 == get_dual_even_left (view))
1144 x = x + (max_width - width - border->left - border->right);
1147 x = x + MAX (0, allocation.width - (width + view->spacing * 2)) / 2;
1150 get_page_y_offset (view, page, &y);
1156 if (view->dual_page) {
1157 gint width_2, height_2;
1158 gint max_width = width;
1159 gint max_height = height;
1160 GtkBorder overall_border;
1163 other_page = (page % 2 == get_dual_even_left (view)) ? page + 1: page - 1;
1165 /* First, we get the bounding box of the two pages */
1166 if (other_page < ev_document_get_n_pages (view->document)
1167 && (0 <= other_page)) {
1168 ev_view_get_page_size (view, other_page,
1169 &width_2, &height_2);
1170 if (width_2 > width)
1171 max_width = width_2;
1172 if (height_2 > height)
1173 max_height = height_2;
1175 compute_border (view, max_width, max_height, &overall_border);
1177 /* Find the offsets */
1181 /* Adjust for being the left or right page */
1182 if (page % 2 == get_dual_even_left (view))
1183 x = x + max_width - width;
1185 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
1187 y = y + (max_height - height)/2;
1189 /* Adjust for extra allocation */
1190 x = x + MAX (0, allocation.width -
1191 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
1192 y = y + MAX (0, allocation.height - (height + view->spacing * 2))/2;
1197 /* Adjust for extra allocation */
1198 x = x + MAX (0, allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
1199 y = y + MAX (0, allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
1210 get_doc_page_size (EvView *view,
1217 ev_document_get_page_size (view->document, page, &w, &h);
1218 if (view->rotation == 0 || view->rotation == 180) {
1219 if (width) *width = w;
1220 if (height) *height = h;
1222 if (width) *width = h;
1223 if (height) *height = w;
1228 view_point_to_doc_point (EvView *view,
1229 GdkPoint *view_point,
1230 GdkRectangle *page_area,
1231 double *doc_point_x,
1232 double *doc_point_y)
1234 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
1235 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
1239 view_rect_to_doc_rect (EvView *view,
1240 GdkRectangle *view_rect,
1241 GdkRectangle *page_area,
1242 EvRectangle *doc_rect)
1244 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
1245 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
1246 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
1247 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
1251 doc_point_to_view_point (EvView *view,
1254 GdkPoint *view_point)
1256 GdkRectangle page_area;
1258 double x, y, view_x, view_y;
1259 gdouble width, height;
1261 get_doc_page_size (view, page, &width, &height);
1263 if (view->rotation == 0) {
1266 } else if (view->rotation == 90) {
1267 x = width - doc_point->y;
1269 } else if (view->rotation == 180) {
1270 x = width - doc_point->x;
1271 y = height - doc_point->y;
1272 } else if (view->rotation == 270) {
1274 y = height - doc_point->x;
1276 g_assert_not_reached ();
1279 ev_view_get_page_extents (view, page, &page_area, &border);
1281 view_x = CLAMP (x * view->scale, 0, page_area.width);
1282 view_y = CLAMP (y * view->scale, 0, page_area.height);
1283 view_point->x = view_x + page_area.x;
1284 view_point->y = view_y + page_area.y;
1288 doc_rect_to_view_rect (EvView *view,
1290 EvRectangle *doc_rect,
1291 GdkRectangle *view_rect)
1293 GdkRectangle page_area;
1296 gdouble width, height;
1298 get_doc_page_size (view, page, &width, &height);
1300 if (view->rotation == 0) {
1303 w = doc_rect->x2 - doc_rect->x1;
1304 h = doc_rect->y2 - doc_rect->y1;
1305 } else if (view->rotation == 90) {
1306 x = width - doc_rect->y2;
1308 w = doc_rect->y2 - doc_rect->y1;
1309 h = doc_rect->x2 - doc_rect->x1;
1310 } else if (view->rotation == 180) {
1311 x = width - doc_rect->x2;
1312 y = height - doc_rect->y2;
1313 w = doc_rect->x2 - doc_rect->x1;
1314 h = doc_rect->y2 - doc_rect->y1;
1315 } else if (view->rotation == 270) {
1317 y = height - doc_rect->x2;
1318 w = doc_rect->y2 - doc_rect->y1;
1319 h = doc_rect->x2 - doc_rect->x1;
1321 g_assert_not_reached ();
1324 ev_view_get_page_extents (view, page, &page_area, &border);
1326 view_rect->x = x * view->scale + page_area.x;
1327 view_rect->y = y * view->scale + page_area.y;
1328 view_rect->width = w * view->scale;
1329 view_rect->height = h * view->scale;
1333 get_dual_even_left (EvView *view)
1335 return (ev_document_get_n_pages (view->document) > 2);
1339 find_page_at_location (EvView *view,
1348 if (view->document == NULL)
1352 g_assert (x_offset);
1353 g_assert (y_offset);
1355 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
1356 GdkRectangle page_area;
1359 if (! ev_view_get_page_extents (view, i, &page_area, &border))
1362 if ((x >= page_area.x + border.left) &&
1363 (x < page_area.x + page_area.width - border.right) &&
1364 (y >= page_area.y + border.top) &&
1365 (y < page_area.y + page_area.height - border.bottom)) {
1367 *x_offset = x - (page_area.x + border.left);
1368 *y_offset = y - (page_area.y + border.top);
1377 location_in_text (EvView *view,
1381 cairo_region_t *region;
1383 gint x_offset = 0, y_offset = 0;
1385 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1390 region = ev_page_cache_get_text_mapping (view->page_cache, page);
1393 return cairo_region_contains_point (region, x_offset / view->scale, y_offset / view->scale);
1399 location_in_selected_text (EvView *view,
1404 gint x_offset = 0, y_offset = 0;
1405 EvViewSelection *selection;
1408 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1409 selection = (EvViewSelection *)l->data;
1411 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1413 if (page != selection->page)
1416 if (selection->covered_region &&
1417 cairo_region_contains_point (selection->covered_region, x_offset, y_offset))
1425 get_doc_point_from_offset (EvView *view,
1432 gdouble width, height;
1435 get_doc_page_size (view, page, &width, &height);
1437 x_offset = x_offset / view->scale;
1438 y_offset = y_offset / view->scale;
1440 if (view->rotation == 0) {
1443 } else if (view->rotation == 90) {
1445 y = width - x_offset;
1446 } else if (view->rotation == 180) {
1447 x = width - x_offset;
1448 y = height - y_offset;
1449 } else if (view->rotation == 270) {
1450 x = height - y_offset;
1453 g_assert_not_reached ();
1463 get_doc_point_from_location (EvView *view,
1470 gint x_offset = 0, y_offset = 0;
1472 x += view->scroll_x;
1473 y += view->scroll_y;
1474 find_page_at_location (view, x, y, page, &x_offset, &y_offset);
1478 return get_doc_point_from_offset (view, *page, x_offset, y_offset, x_new, y_new);
1482 ev_view_get_area_from_mapping (EvView *view,
1484 EvMappingList *mapping_list,
1490 mapping = ev_mapping_list_find (mapping_list, data);
1491 doc_rect_to_view_rect (view, page, &mapping->area, area);
1492 area->x -= view->scroll_x;
1493 area->y -= view->scroll_y;
1499 ev_view_get_link_at_location (EvView *view,
1504 gint x_new = 0, y_new = 0;
1505 EvMappingList *link_mapping;
1507 if (!EV_IS_DOCUMENT_LINKS (view->document))
1510 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1513 link_mapping = ev_page_cache_get_link_mapping (view->page_cache, page);
1516 return ev_mapping_list_get_data (link_mapping, x_new, y_new);
1522 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1525 gdouble zoom, left, top;
1526 gboolean change_left, change_top;
1527 GtkAllocation allocation;
1529 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1531 left = ev_link_dest_get_left (dest, &change_left);
1532 top = ev_link_dest_get_top (dest, &change_top);
1534 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - left,
1535 ev_link_dest_get_bottom (dest) - top,
1539 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1540 ev_document_model_set_scale (view->model, zoom);
1542 doc_point.x = change_left ? left : 0;
1543 doc_point.y = change_top ? top : 0;
1544 view->pending_point = doc_point;
1546 ev_view_change_page (view, ev_link_dest_get_page (dest));
1550 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1553 gdouble doc_width, doc_height;
1556 gboolean change_left;
1557 GtkAllocation allocation;
1559 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1561 page = ev_link_dest_get_page (dest);
1562 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1564 left = ev_link_dest_get_left (dest, &change_left);
1565 doc_point.x = change_left ? left : 0;
1568 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1572 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1573 ev_document_model_set_scale (view->model, zoom);
1575 view->pending_point = doc_point;
1577 ev_view_change_page (view, page);
1581 goto_fith_dest (EvView *view, EvLinkDest *dest)
1584 gdouble doc_width, doc_height;
1587 gboolean change_top;
1588 GtkAllocation allocation;
1590 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1592 page = ev_link_dest_get_page (dest);
1593 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1595 top = ev_link_dest_get_top (dest, &change_top);
1598 doc_point.y = change_top ? top : 0;
1600 zoom = zoom_for_size_fit_width (doc_width, top,
1604 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FIT_WIDTH);
1605 ev_document_model_set_scale (view->model, zoom);
1607 view->pending_point = doc_point;
1609 ev_view_change_page (view, page);
1613 goto_fit_dest (EvView *view, EvLinkDest *dest)
1616 gdouble doc_width, doc_height;
1618 GtkAllocation allocation;
1620 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1622 page = ev_link_dest_get_page (dest);
1623 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1625 zoom = zoom_for_size_best_fit (doc_width, doc_height,
1629 ev_document_model_set_sizing_mode (view->model, EV_SIZING_BEST_FIT);
1630 ev_document_model_set_scale (view->model, zoom);
1632 ev_view_change_page (view, page);
1636 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1640 gdouble zoom, left, top;
1641 gboolean change_zoom, change_left, change_top;
1643 zoom = ev_link_dest_get_zoom (dest, &change_zoom);
1644 page = ev_link_dest_get_page (dest);
1646 if (change_zoom && zoom > 1) {
1647 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1648 ev_document_model_set_scale (view->model, zoom);
1651 left = ev_link_dest_get_left (dest, &change_left);
1652 top = ev_link_dest_get_top (dest, &change_top);
1654 doc_point.x = change_left ? left : 0;
1655 doc_point.y = change_top ? top : 0;
1656 view->pending_point = doc_point;
1658 ev_view_change_page (view, page);
1662 goto_dest (EvView *view, EvLinkDest *dest)
1664 EvLinkDestType type;
1665 int page, n_pages, current_page;
1667 page = ev_link_dest_get_page (dest);
1668 n_pages = ev_document_get_n_pages (view->document);
1670 if (page < 0 || page >= n_pages)
1673 current_page = view->current_page;
1675 type = ev_link_dest_get_dest_type (dest);
1678 case EV_LINK_DEST_TYPE_PAGE:
1679 ev_document_model_set_page (view->model, page);
1681 case EV_LINK_DEST_TYPE_FIT:
1682 goto_fit_dest (view, dest);
1684 case EV_LINK_DEST_TYPE_FITH:
1685 goto_fith_dest (view, dest);
1687 case EV_LINK_DEST_TYPE_FITV:
1688 goto_fitv_dest (view, dest);
1690 case EV_LINK_DEST_TYPE_FITR:
1691 goto_fitr_dest (view, dest);
1693 case EV_LINK_DEST_TYPE_XYZ:
1694 goto_xyz_dest (view, dest);
1696 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1697 ev_document_model_set_page_by_label (view->model, ev_link_dest_get_page_label (dest));
1700 g_assert_not_reached ();
1703 if (current_page != view->current_page)
1704 ev_document_model_set_page (view->model, view->current_page);
1708 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1710 EvLinkDestType type;
1712 type = ev_link_dest_get_dest_type (dest);
1714 if (type == EV_LINK_DEST_TYPE_NAMED) {
1716 const gchar *named_dest;
1718 named_dest = ev_link_dest_get_named_dest (dest);
1719 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1722 goto_dest (view, dest2);
1723 g_object_unref (dest2);
1729 goto_dest (view, dest);
1733 ev_view_handle_link (EvView *view, EvLink *link)
1735 EvLinkAction *action = NULL;
1736 EvLinkActionType type;
1738 action = ev_link_get_action (link);
1742 type = ev_link_action_get_action_type (action);
1745 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1748 g_signal_emit (view, signals[SIGNAL_HANDLE_LINK], 0, link);
1750 dest = ev_link_action_get_dest (action);
1751 ev_view_goto_dest (view, dest);
1754 case EV_LINK_ACTION_TYPE_LAYERS_STATE: {
1755 GList *show, *hide, *toggle;
1757 EvDocumentLayers *document_layers;
1759 document_layers = EV_DOCUMENT_LAYERS (view->document);
1761 show = ev_link_action_get_show_list (action);
1762 for (l = show; l; l = g_list_next (l)) {
1763 ev_document_layers_show_layer (document_layers, EV_LAYER (l->data));
1766 hide = ev_link_action_get_hide_list (action);
1767 for (l = hide; l; l = g_list_next (l)) {
1768 ev_document_layers_hide_layer (document_layers, EV_LAYER (l->data));
1771 toggle = ev_link_action_get_toggle_list (action);
1772 for (l = toggle; l; l = g_list_next (l)) {
1773 EvLayer *layer = EV_LAYER (l->data);
1775 if (ev_document_layers_layer_is_visible (document_layers, layer)) {
1776 ev_document_layers_hide_layer (document_layers, layer);
1778 ev_document_layers_show_layer (document_layers, layer);
1782 g_signal_emit (view, signals[SIGNAL_LAYERS_CHANGED], 0);
1783 ev_view_reload_page (view, view->current_page, NULL);
1786 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1787 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1788 case EV_LINK_ACTION_TYPE_LAUNCH:
1789 case EV_LINK_ACTION_TYPE_NAMED:
1790 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1796 tip_from_action_named (EvLinkAction *action)
1798 const gchar *name = ev_link_action_get_name (action);
1800 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1801 return g_strdup (_("Go to first page"));
1802 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1803 return g_strdup (_("Go to previous page"));
1804 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1805 return g_strdup (_("Go to next page"));
1806 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1807 return g_strdup (_("Go to last page"));
1808 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1809 return g_strdup (_("Go to page"));
1810 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1811 return g_strdup (_("Find"));
1818 tip_from_link (EvView *view, EvLink *link)
1820 EvLinkAction *action;
1821 EvLinkActionType type;
1826 action = ev_link_get_action (link);
1827 title = ev_link_get_title (link);
1830 return title ? g_strdup (title) : NULL;
1832 type = ev_link_action_get_action_type (action);
1835 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1836 page_label = ev_document_links_get_dest_page_label (EV_DOCUMENT_LINKS (view->document),
1837 ev_link_action_get_dest (action));
1839 msg = g_strdup_printf (_("Go to page %s"), page_label);
1840 g_free (page_label);
1843 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1845 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1846 ev_link_action_get_filename (action));
1848 msg = g_strdup_printf (_("Go to file “%s”"),
1849 ev_link_action_get_filename (action));
1852 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1853 msg = g_strdup (ev_link_action_get_uri (action));
1855 case EV_LINK_ACTION_TYPE_LAUNCH:
1856 msg = g_strdup_printf (_("Launch %s"),
1857 ev_link_action_get_filename (action));
1859 case EV_LINK_ACTION_TYPE_NAMED:
1860 msg = tip_from_action_named (action);
1864 msg = g_strdup (title);
1872 ev_view_handle_cursor_over_xy (EvView *view, gint x, gint y)
1876 EvAnnotation *annot = NULL;
1878 if (view->cursor == EV_VIEW_CURSOR_HIDDEN)
1881 if (view->adding_annot) {
1882 if (view->cursor != EV_VIEW_CURSOR_ADD)
1883 ev_view_set_cursor (view, EV_VIEW_CURSOR_ADD);
1887 if (view->drag_info.in_drag) {
1888 if (view->cursor != EV_VIEW_CURSOR_DRAG)
1889 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1893 if (view->scroll_info.autoscrolling) {
1894 if (view->cursor != EV_VIEW_CURSOR_AUTOSCROLL)
1895 ev_view_set_cursor (view, EV_VIEW_CURSOR_AUTOSCROLL);
1899 link = ev_view_get_link_at_location (view, x, y);
1901 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1902 } else if ((field = ev_view_get_form_field_at_location (view, x, y))) {
1903 if (field->is_read_only) {
1904 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1905 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1906 view->cursor == EV_VIEW_CURSOR_DRAG)
1907 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1908 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
1909 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1911 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1913 } else if ((annot = ev_view_get_annotation_at_location (view, x, y))) {
1914 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1915 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1916 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1918 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1919 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1920 view->cursor == EV_VIEW_CURSOR_DRAG ||
1921 view->cursor == EV_VIEW_CURSOR_AUTOSCROLL ||
1922 view->cursor == EV_VIEW_CURSOR_ADD)
1923 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1927 g_object_set (view, "has-tooltip", TRUE, NULL);
1932 ev_view_get_image_at_location (EvView *view,
1937 gint x_new = 0, y_new = 0;
1938 EvMappingList *image_mapping;
1940 if (!EV_IS_DOCUMENT_IMAGES (view->document))
1943 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1946 image_mapping = ev_page_cache_get_image_mapping (view->page_cache, page);
1949 return ev_mapping_list_get_data (image_mapping, x_new, y_new);
1955 static EvFormField *
1956 ev_view_get_form_field_at_location (EvView *view,
1961 gint x_new = 0, y_new = 0;
1962 EvMappingList *forms_mapping;
1964 if (!EV_IS_DOCUMENT_FORMS (view->document))
1967 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1970 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache, page);
1973 return ev_mapping_list_get_data (forms_mapping, x_new, y_new);
1978 static cairo_region_t *
1979 ev_view_form_field_get_region (EvView *view,
1982 GdkRectangle view_area;
1983 EvMappingList *forms_mapping;
1985 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
1986 field->page->index);
1987 ev_view_get_area_from_mapping (view, field->page->index,
1991 return cairo_region_create_rectangle (&view_area);
1995 ev_view_forms_remove_widgets (EvView *view)
1997 ev_view_remove_all (view);
2003 ev_view_form_field_destroy (GtkWidget *widget,
2006 g_idle_add ((GSourceFunc)ev_view_forms_remove_widgets, view);
2010 ev_view_form_field_button_create_widget (EvView *view,
2013 EvFormFieldButton *field_button = EV_FORM_FIELD_BUTTON (field);
2014 cairo_region_t *field_region = NULL;
2016 switch (field_button->type) {
2017 case EV_FORM_FIELD_BUTTON_PUSH:
2019 case EV_FORM_FIELD_BUTTON_CHECK:
2020 case EV_FORM_FIELD_BUTTON_RADIO: {
2022 EvMappingList *forms_mapping;
2025 state = ev_document_forms_form_field_button_get_state (EV_DOCUMENT_FORMS (view->document),
2028 /* FIXME: it actually depends on NoToggleToOff flags */
2029 if (field_button->type == EV_FORM_FIELD_BUTTON_RADIO &&
2030 state && field_button->state)
2033 field_region = ev_view_form_field_get_region (view, field);
2035 /* For radio buttons and checkbox buttons that are in a set
2036 * we need to update also the region for the current selected item
2038 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
2039 field->page->index);
2040 for (l = ev_mapping_list_get_list (forms_mapping); l; l = g_list_next (l)) {
2041 EvFormField *button = ((EvMapping *)(l->data))->data;
2042 cairo_region_t *button_region;
2044 if (button->id == field->id)
2047 /* FIXME: only buttons in the same group should be updated */
2048 if (!EV_IS_FORM_FIELD_BUTTON (button) ||
2049 EV_FORM_FIELD_BUTTON (button)->type != field_button->type ||
2050 EV_FORM_FIELD_BUTTON (button)->state != TRUE)
2053 button_region = ev_view_form_field_get_region (view, button);
2054 cairo_region_union (field_region, button_region);
2055 cairo_region_destroy (button_region);
2058 ev_document_forms_form_field_button_set_state (EV_DOCUMENT_FORMS (view->document),
2060 field_button->state = !state;
2065 ev_view_reload_page (view, field->page->index, field_region);
2066 cairo_region_destroy (field_region);
2072 ev_view_form_field_text_save (EvView *view,
2077 if (!view->document)
2080 field = g_object_get_data (G_OBJECT (widget), "form-field");
2082 if (field->changed) {
2083 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2084 cairo_region_t *field_region;
2086 field_region = ev_view_form_field_get_region (view, field);
2088 ev_document_forms_form_field_text_set_text (EV_DOCUMENT_FORMS (view->document),
2089 field, field_text->text);
2090 field->changed = FALSE;
2091 ev_view_reload_page (view, field->page->index, field_region);
2092 cairo_region_destroy (field_region);
2097 ev_view_form_field_text_changed (GtkWidget *widget,
2100 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2103 if (GTK_IS_ENTRY (widget)) {
2104 text = g_strdup (gtk_entry_get_text (GTK_ENTRY (widget)));
2105 } else if (GTK_IS_TEXT_BUFFER (widget)) {
2106 GtkTextIter start, end;
2108 gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (widget), &start, &end);
2109 text = gtk_text_buffer_get_text (GTK_TEXT_BUFFER (widget),
2110 &start, &end, FALSE);
2113 if (!field_text->text ||
2114 (field_text->text && g_ascii_strcasecmp (field_text->text, text) != 0)) {
2115 g_free (field_text->text);
2116 field_text->text = text;
2117 field->changed = TRUE;
2122 ev_view_form_field_text_create_widget (EvView *view,
2125 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2126 GtkWidget *text = NULL;
2129 txt = ev_document_forms_form_field_text_get_text (EV_DOCUMENT_FORMS (view->document),
2132 switch (field_text->type) {
2133 case EV_FORM_FIELD_TEXT_FILE_SELECT:
2135 case EV_FORM_FIELD_TEXT_NORMAL:
2136 text = gtk_entry_new ();
2137 gtk_entry_set_has_frame (GTK_ENTRY (text), FALSE);
2138 gtk_entry_set_max_length (GTK_ENTRY (text), field_text->max_len);
2139 gtk_entry_set_visibility (GTK_ENTRY (text), !field_text->is_password);
2142 gtk_entry_set_text (GTK_ENTRY (text), txt);
2146 g_signal_connect (text, "changed",
2147 G_CALLBACK (ev_view_form_field_text_changed),
2149 g_signal_connect_after (text, "activate",
2150 G_CALLBACK (ev_view_form_field_destroy),
2153 case EV_FORM_FIELD_TEXT_MULTILINE: {
2154 GtkTextBuffer *buffer;
2156 text = gtk_text_view_new ();
2157 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text));
2160 gtk_text_buffer_set_text (buffer, txt, -1);
2164 g_signal_connect (buffer, "changed",
2165 G_CALLBACK (ev_view_form_field_text_changed),
2171 g_object_weak_ref (G_OBJECT (text),
2172 (GWeakNotify)ev_view_form_field_text_save,
2179 ev_view_form_field_choice_save (EvView *view,
2184 if (!view->document)
2187 field = g_object_get_data (G_OBJECT (widget), "form-field");
2189 if (field->changed) {
2191 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2192 cairo_region_t *field_region;
2194 field_region = ev_view_form_field_get_region (view, field);
2196 if (field_choice->is_editable) {
2197 ev_document_forms_form_field_choice_set_text (EV_DOCUMENT_FORMS (view->document),
2198 field, field_choice->text);
2200 ev_document_forms_form_field_choice_unselect_all (EV_DOCUMENT_FORMS (view->document), field);
2201 for (l = field_choice->selected_items; l; l = g_list_next (l)) {
2202 ev_document_forms_form_field_choice_select_item (EV_DOCUMENT_FORMS (view->document),
2204 GPOINTER_TO_INT (l->data));
2207 field->changed = FALSE;
2208 ev_view_reload_page (view, field->page->index, field_region);
2209 cairo_region_destroy (field_region);
2214 ev_view_form_field_choice_changed (GtkWidget *widget,
2217 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2219 if (GTK_IS_COMBO_BOX (widget)) {
2222 item = gtk_combo_box_get_active (GTK_COMBO_BOX (widget));
2223 if (!field_choice->selected_items ||
2224 GPOINTER_TO_INT (field_choice->selected_items->data) != item) {
2225 g_list_free (field_choice->selected_items);
2226 field_choice->selected_items = NULL;
2227 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2228 GINT_TO_POINTER (item));
2229 field->changed = TRUE;
2232 if (GTK_IS_COMBO_BOX_ENTRY (widget)) {
2235 text = gtk_combo_box_get_active_text (GTK_COMBO_BOX (widget));
2236 if (!field_choice->text ||
2237 (field_choice->text && g_ascii_strcasecmp (field_choice->text, text) != 0)) {
2238 g_free (field_choice->text);
2239 field_choice->text = text;
2240 field->changed = TRUE;
2243 } else if (GTK_IS_TREE_SELECTION (widget)) {
2244 GtkTreeSelection *selection = GTK_TREE_SELECTION (widget);
2245 GtkTreeModel *model;
2248 items = gtk_tree_selection_get_selected_rows (selection, &model);
2249 g_list_free (field_choice->selected_items);
2250 field_choice->selected_items = NULL;
2252 for (l = items; l && l->data; l = g_list_next (l)) {
2254 GtkTreePath *path = (GtkTreePath *)l->data;
2257 gtk_tree_model_get_iter (model, &iter, path);
2258 gtk_tree_model_get (model, &iter, 1, &item, -1);
2260 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2261 GINT_TO_POINTER (item));
2263 gtk_tree_path_free (path);
2266 g_list_free (items);
2268 field->changed = TRUE;
2273 ev_view_form_field_choice_create_widget (EvView *view,
2276 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2278 GtkTreeModel *model;
2280 gint selected_item = 0;
2282 n_items = ev_document_forms_form_field_choice_get_n_items (EV_DOCUMENT_FORMS (view->document),
2284 model = GTK_TREE_MODEL (gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT));
2285 for (i = 0; i < n_items; i++) {
2289 item = ev_document_forms_form_field_choice_get_item (EV_DOCUMENT_FORMS (view->document),
2291 if (ev_document_forms_form_field_choice_is_item_selected (
2292 EV_DOCUMENT_FORMS (view->document), field, i)) {
2294 /* FIXME: we need a get_selected_items function in poppler */
2295 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2296 GINT_TO_POINTER (i));
2300 gtk_list_store_append (GTK_LIST_STORE (model), &iter);
2301 gtk_list_store_set (GTK_LIST_STORE (model), &iter,
2309 if (field_choice->type == EV_FORM_FIELD_CHOICE_LIST) {
2310 GtkCellRenderer *renderer;
2311 GtkWidget *tree_view;
2312 GtkTreeSelection *selection;
2314 tree_view = gtk_tree_view_new_with_model (model);
2315 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);
2317 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
2318 if (field_choice->multi_select) {
2319 gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
2322 /* TODO: set selected items */
2324 renderer = gtk_cell_renderer_text_new ();
2325 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
2331 choice = gtk_scrolled_window_new (NULL, NULL);
2332 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (choice),
2333 GTK_POLICY_AUTOMATIC,
2334 GTK_POLICY_AUTOMATIC);
2335 gtk_container_add (GTK_CONTAINER (choice), tree_view);
2336 gtk_widget_show (tree_view);
2338 g_signal_connect (selection, "changed",
2339 G_CALLBACK (ev_view_form_field_choice_changed),
2341 g_signal_connect_after (selection, "changed",
2342 G_CALLBACK (ev_view_form_field_destroy),
2344 } else if (field_choice->is_editable) { /* ComboBoxEntry */
2347 choice = gtk_combo_box_entry_new_with_model (model, 0);
2348 text = ev_document_forms_form_field_choice_get_text (EV_DOCUMENT_FORMS (view->document), field);
2350 gtk_entry_set_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (choice))), text);
2354 g_signal_connect (choice, "changed",
2355 G_CALLBACK (ev_view_form_field_choice_changed),
2357 g_signal_connect_after (gtk_bin_get_child (GTK_BIN (choice)),
2359 G_CALLBACK (ev_view_form_field_destroy),
2361 } else { /* ComboBoxText */
2362 GtkCellRenderer *renderer;
2364 choice = gtk_combo_box_new_with_model (model);
2365 renderer = gtk_cell_renderer_text_new ();
2366 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (choice),
2368 gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (choice),
2372 gtk_combo_box_set_active (GTK_COMBO_BOX (choice), selected_item);
2373 gtk_combo_box_popup (GTK_COMBO_BOX (choice));
2375 g_signal_connect (choice, "changed",
2376 G_CALLBACK (ev_view_form_field_choice_changed),
2378 g_signal_connect_after (choice, "changed",
2379 G_CALLBACK (ev_view_form_field_destroy),
2383 g_object_unref (model);
2385 g_object_weak_ref (G_OBJECT (choice),
2386 (GWeakNotify)ev_view_form_field_choice_save,
2393 ev_view_handle_form_field (EvView *view,
2398 GtkWidget *field_widget = NULL;
2399 EvMappingList *form_field_mapping;
2400 GdkRectangle view_area;
2402 if (field->is_read_only)
2405 if (EV_IS_FORM_FIELD_BUTTON (field)) {
2406 field_widget = ev_view_form_field_button_create_widget (view, field);
2407 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
2408 field_widget = ev_view_form_field_text_create_widget (view, field);
2409 } else if (EV_IS_FORM_FIELD_CHOICE (field)) {
2410 field_widget = ev_view_form_field_choice_create_widget (view, field);
2411 } else if (EV_IS_FORM_FIELD_SIGNATURE (field)) {
2415 /* Form field doesn't require a widget */
2419 g_object_set_data_full (G_OBJECT (field_widget), "form-field",
2420 g_object_ref (field),
2421 (GDestroyNotify)g_object_unref);
2423 form_field_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
2424 field->page->index);
2425 ev_view_get_area_from_mapping (view, field->page->index,
2429 gtk_layout_put (GTK_LAYOUT (view), field_widget, view_area.x, view_area.y);
2430 gtk_widget_show (field_widget);
2431 gtk_widget_grab_focus (field_widget);
2435 static EvViewWindowChild *
2436 ev_view_get_window_child (EvView *view,
2439 GList *children = view->window_children;
2442 EvViewWindowChild *child;
2444 child = (EvViewWindowChild *)children->data;
2445 children = children->next;
2447 if (child->window == window)
2455 ev_view_window_child_move (EvView *view,
2456 EvViewWindowChild *child,
2460 GtkAllocation allocation;
2463 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
2464 gtk_window_get_size (GTK_WINDOW (child->window), &width, &height);
2468 gtk_window_move (GTK_WINDOW (child->window),
2469 CLAMP (x, child->parent_x,
2470 child->parent_x + allocation.width - width),
2471 CLAMP (y, child->parent_y,
2472 child->parent_y + allocation.height - height));
2476 ev_view_window_child_move_with_parent (EvView *view,
2479 EvViewWindowChild *child;
2480 gint root_x, root_y;
2482 child = ev_view_get_window_child (view, window);
2483 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2485 if (root_x != child->parent_x || root_y != child->parent_y) {
2486 gint dest_x, dest_y;
2488 dest_x = child->x + (root_x - child->parent_x);
2489 dest_y = child->y + (root_y - child->parent_y);
2490 child->parent_x = root_x;
2491 child->parent_y = root_y;
2492 ev_view_window_child_move (view, child, dest_x, dest_y);
2495 if (child->visible && !gtk_widget_get_visible (window))
2496 gtk_widget_show (window);
2500 ev_view_window_child_put (EvView *view,
2508 EvViewWindowChild *child;
2509 gint root_x, root_y;
2511 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2514 child = g_new0 (EvViewWindowChild, 1);
2515 child->window = window;
2517 child->orig_x = orig_x;
2518 child->orig_y = orig_y;
2519 child->parent_x = root_x;
2520 child->parent_y = root_y;
2521 child->visible = ev_annotation_window_is_open (EV_ANNOTATION_WINDOW (window));
2522 ev_view_window_child_move (view, child, x + root_x, y + root_y);
2525 gtk_widget_show (window);
2527 gtk_widget_hide (window);
2529 view->window_children = g_list_append (view->window_children, child);
2532 static EvViewWindowChild *
2533 ev_view_find_window_child_for_annot (EvView *view,
2535 EvAnnotation *annot)
2537 GList *children = view->window_children;
2540 EvViewWindowChild *child;
2541 EvAnnotation *wannot;
2543 child = (EvViewWindowChild *)children->data;
2544 children = children->next;
2546 if (child->page != page)
2549 wannot = ev_annotation_window_get_annotation (EV_ANNOTATION_WINDOW (child->window));
2550 if (ev_annotation_equal (wannot, annot))
2558 ev_view_window_children_free (EvView *view)
2562 if (!view->window_children)
2565 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
2566 EvViewWindowChild *child;
2568 child = (EvViewWindowChild *)l->data;
2569 gtk_widget_destroy (GTK_WIDGET (child->window));
2572 g_list_free (view->window_children);
2573 view->window_children = NULL;
2574 view->window_child_focus = NULL;
2578 annotation_window_grab_focus (GtkWidget *widget,
2581 if (view->window_child_focus)
2582 ev_annotation_window_ungrab_focus (EV_ANNOTATION_WINDOW (view->window_child_focus->window));
2583 view->window_child_focus = ev_view_get_window_child (view, widget);
2587 annotation_window_closed (EvAnnotationWindow *window,
2590 EvViewWindowChild *child;
2592 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2593 child->visible = FALSE;
2597 annotation_window_moved (EvAnnotationWindow *window,
2602 EvViewWindowChild *child;
2603 GdkRectangle page_area;
2605 GdkRectangle view_rect;
2606 EvRectangle doc_rect;
2609 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2610 if (child->x == x && child->y == y)
2613 child->moved = TRUE;
2617 /* Window has been moved by the user,
2618 * we have to set a new origin in doc coords
2620 gtk_window_get_size (GTK_WINDOW (window), &width, &height);
2621 view_rect.x = (x - child->parent_x) + view->scroll_x;
2622 view_rect.y = (y - child->parent_y) + view->scroll_y;
2623 view_rect.width = width;
2624 view_rect.height = height;
2626 ev_view_get_page_extents (view, child->page, &page_area, &border);
2627 view_rect_to_doc_rect (view, &view_rect, &page_area, &doc_rect);
2628 child->orig_x = doc_rect.x1;
2629 child->orig_y = doc_rect.y1;
2633 ev_view_annotation_save_contents (EvView *view,
2635 EvAnnotation *annot)
2637 if (!view->document)
2640 ev_document_doc_mutex_lock ();
2641 ev_document_annotations_save_annotation (EV_DOCUMENT_ANNOTATIONS (view->document),
2642 annot, EV_ANNOTATIONS_SAVE_CONTENTS);
2643 ev_document_doc_mutex_unlock ();
2647 ev_view_create_annotation_window (EvView *view,
2648 EvAnnotation *annot,
2652 EvRectangle doc_rect;
2653 GdkRectangle view_rect;
2656 window = ev_annotation_window_new (annot, parent);
2657 g_signal_connect (window, "grab_focus",
2658 G_CALLBACK (annotation_window_grab_focus),
2660 g_signal_connect (window, "closed",
2661 G_CALLBACK (annotation_window_closed),
2663 g_signal_connect (window, "moved",
2664 G_CALLBACK (annotation_window_moved),
2666 g_signal_connect_swapped (annot, "notify::contents",
2667 G_CALLBACK (ev_view_annotation_save_contents),
2669 g_object_set_data (G_OBJECT (annot), "popup", window);
2671 page = ev_annotation_get_page_index (annot);
2672 ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (window), &doc_rect);
2673 doc_rect_to_view_rect (view, page, &doc_rect, &view_rect);
2674 view_rect.x -= view->scroll_x;
2675 view_rect.y -= view->scroll_y;
2677 ev_view_window_child_put (view, window, page,
2678 view_rect.x, view_rect.y,
2679 doc_rect.x1, doc_rect.y1);
2685 show_annotation_windows (EvView *view,
2688 EvMappingList *annots;
2692 parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
2694 annots = ev_page_cache_get_annot_mapping (view->page_cache, page);
2696 for (l = ev_mapping_list_get_list (annots); l && l->data; l = g_list_next (l)) {
2697 EvAnnotation *annot;
2698 EvViewWindowChild *child;
2701 annot = ((EvMapping *)(l->data))->data;
2703 if (!EV_IS_ANNOTATION_MARKUP (annot))
2706 if (!ev_annotation_markup_has_popup (EV_ANNOTATION_MARKUP (annot)))
2709 window = g_object_get_data (G_OBJECT (annot), "popup");
2711 ev_view_window_child_move_with_parent (view, window);
2715 /* Look if we already have a popup for this annot */
2716 child = ev_view_find_window_child_for_annot (view, page, annot);
2717 window = child ? child->window : NULL;
2719 ev_annotation_window_set_annotation (EV_ANNOTATION_WINDOW (window), annot);
2720 g_object_set_data (G_OBJECT (annot), "popup", window);
2721 ev_view_window_child_move_with_parent (view, window);
2723 ev_view_create_annotation_window (view, annot, parent);
2729 hide_annotation_windows (EvView *view,
2732 EvMappingList *annots;
2735 annots = ev_page_cache_get_annot_mapping (view->page_cache, page);
2737 for (l = ev_mapping_list_get_list (annots); l && l->data; l = g_list_next (l)) {
2738 EvAnnotation *annot;
2741 annot = ((EvMapping *)(l->data))->data;
2743 if (!EV_IS_ANNOTATION_MARKUP (annot))
2746 window = g_object_get_data (G_OBJECT (annot), "popup");
2748 gtk_widget_hide (window);
2752 static EvAnnotation *
2753 ev_view_get_annotation_at_location (EvView *view,
2758 gint x_new = 0, y_new = 0;
2759 EvMappingList *annotations_mapping;
2761 if (!EV_IS_DOCUMENT_ANNOTATIONS (view->document))
2764 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
2767 annotations_mapping = ev_page_cache_get_annot_mapping (view->page_cache, page);
2769 if (annotations_mapping)
2770 return ev_mapping_list_get_data (annotations_mapping, x_new, y_new);
2776 ev_view_annotation_show_popup_window (EvView *view,
2779 EvViewWindowChild *child;
2784 child = ev_view_get_window_child (view, window);
2785 if (!child->visible) {
2786 child->visible = TRUE;
2787 ev_view_window_child_move (view, child, child->x, child->y);
2788 gtk_widget_show (window);
2793 ev_view_handle_annotation (EvView *view,
2794 EvAnnotation *annot,
2799 if (EV_IS_ANNOTATION_MARKUP (annot)) {
2802 window = g_object_get_data (G_OBJECT (annot), "popup");
2803 ev_view_annotation_show_popup_window (view, window);
2806 if (EV_IS_ANNOTATION_ATTACHMENT (annot)) {
2807 EvAttachment *attachment;
2809 attachment = ev_annotation_attachment_get_attachment (EV_ANNOTATION_ATTACHMENT (annot));
2811 GError *error = NULL;
2813 ev_attachment_open (attachment,
2814 gtk_widget_get_screen (GTK_WIDGET (view)),
2819 g_warning ("%s", error->message);
2820 g_error_free (error);
2827 ev_view_create_annotation (EvView *view,
2828 EvAnnotationType annot_type,
2832 EvAnnotation *annot;
2834 GdkRectangle page_area;
2836 EvRectangle doc_rect, popup_rect;
2838 GdkColor color = { 0, 65535, 65535, 0 };
2839 GdkRectangle view_rect;
2840 cairo_region_t *region;
2844 ev_view_get_page_extents (view, view->current_page, &page_area, &border);
2845 view_point_to_doc_point (view, &point, &page_area,
2846 &doc_rect.x1, &doc_rect.y1);
2847 doc_rect.x2 = doc_rect.x1 + 24;
2848 doc_rect.y2 = doc_rect.y1 + 24;
2850 ev_document_doc_mutex_lock ();
2851 page = ev_document_get_page (view->document, view->current_page);
2852 switch (annot_type) {
2853 case EV_ANNOTATION_TYPE_TEXT:
2854 annot = ev_annotation_text_new (page);
2856 case EV_ANNOTATION_TYPE_ATTACHMENT:
2858 g_object_unref (page);
2859 ev_document_doc_mutex_unlock ();
2862 g_assert_not_reached ();
2864 g_object_unref (page);
2866 ev_annotation_set_color (annot, &color);
2868 if (EV_IS_ANNOTATION_MARKUP (annot)) {
2869 popup_rect.x1 = doc_rect.x2;
2870 popup_rect.x2 = popup_rect.x1 + 200;
2871 popup_rect.y1 = doc_rect.y2;
2872 popup_rect.y2 = popup_rect.y1 + 150;
2873 g_object_set (annot,
2874 "rectangle", &popup_rect,
2876 "popup_is_open", FALSE,
2877 "label", g_get_real_name (),
2881 ev_document_annotations_add_annotation (EV_DOCUMENT_ANNOTATIONS (view->document),
2883 ev_document_doc_mutex_unlock ();
2885 /* If the page didn't have annots, mark the cache as dirty */
2886 if (!ev_page_cache_get_annot_mapping (view->page_cache, view->current_page))
2887 ev_page_cache_mark_dirty (view->page_cache, view->current_page);
2889 if (EV_IS_ANNOTATION_MARKUP (annot)) {
2893 parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
2894 window = ev_view_create_annotation_window (view, annot, parent);
2896 /* Show the annot window the first time */
2897 ev_view_annotation_show_popup_window (view, window);
2900 doc_rect_to_view_rect (view, view->current_page, &doc_rect, &view_rect);
2901 view_rect.x -= view->scroll_x;
2902 view_rect.y -= view->scroll_y;
2903 region = cairo_region_create_rectangle (&view_rect);
2904 ev_view_reload_page (view, view->current_page, region);
2905 cairo_region_destroy (region);
2907 g_signal_emit (view, signals[SIGNAL_ANNOT_ADDED], 0, annot);
2911 ev_view_focus_annotation (EvView *view,
2912 EvMapping *annot_mapping)
2914 GdkRectangle view_rect;
2915 EvAnnotation *annot;
2918 if (!EV_IS_DOCUMENT_ANNOTATIONS (view->document))
2921 if (view->focus_annotation == annot_mapping)
2924 view->focus_annotation = annot_mapping;
2925 annot = (EvAnnotation *)annot_mapping->data;
2927 page = ev_annotation_get_page_index (annot);
2928 ev_document_model_set_page (view->model, page);
2930 doc_rect_to_view_rect (view, page,
2931 &annot_mapping->area, &view_rect);
2932 ensure_rectangle_is_visible (view, &view_rect);
2933 gtk_widget_queue_draw (GTK_WIDGET (view));
2937 ev_view_begin_add_annotation (EvView *view,
2938 EvAnnotationType annot_type)
2940 if (annot_type == EV_ANNOTATION_TYPE_UNKNOWN)
2943 if (view->adding_annot)
2946 view->adding_annot = TRUE;
2947 view->adding_annot_type = annot_type;
2948 ev_view_set_cursor (view, EV_VIEW_CURSOR_ADD);
2952 ev_view_cancel_add_annotation (EvView *view)
2956 if (!view->adding_annot)
2959 view->adding_annot = FALSE;
2960 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
2961 ev_view_handle_cursor_over_xy (view, x, y);
2965 ev_view_synctex_backward_search (EvView *view,
2970 gint x_new = 0, y_new = 0;
2973 if (!ev_document_has_synctex (view->document))
2976 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
2979 link = ev_document_synctex_backward_search (view->document, page, x_new, y_new);
2981 g_signal_emit (view, signals[SIGNAL_SYNC_SOURCE], 0, link);
2990 /*** GtkWidget implementation ***/
2993 ev_view_size_request_continuous_dual_page (EvView *view,
2994 GtkRequisition *requisition)
2998 n_pages = ev_document_get_n_pages (view->document) + 1;
2999 get_page_y_offset (view, n_pages, &requisition->height);
3001 switch (view->sizing_mode) {
3002 case EV_SIZING_FIT_WIDTH:
3003 case EV_SIZING_BEST_FIT:
3004 requisition->width = 1;
3007 case EV_SIZING_FREE: {
3011 ev_view_get_max_page_size (view, &max_width, NULL);
3012 compute_border (view, max_width, max_width, &border);
3013 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
3017 g_assert_not_reached ();
3022 ev_view_size_request_continuous (EvView *view,
3023 GtkRequisition *requisition)
3027 n_pages = ev_document_get_n_pages (view->document);
3028 get_page_y_offset (view, n_pages, &requisition->height);
3030 switch (view->sizing_mode) {
3031 case EV_SIZING_FIT_WIDTH:
3032 case EV_SIZING_BEST_FIT:
3033 requisition->width = 1;
3036 case EV_SIZING_FREE: {
3040 ev_view_get_max_page_size (view, &max_width, NULL);
3041 compute_border (view, max_width, max_width, &border);
3042 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
3046 g_assert_not_reached ();
3051 ev_view_size_request_dual_page (EvView *view,
3052 GtkRequisition *requisition)
3057 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
3058 requisition->width = 1;
3059 requisition->height = 1;
3064 /* Find the largest of the two. */
3065 ev_view_get_page_size (view,
3068 if (view->current_page + 1 < ev_document_get_n_pages (view->document)) {
3069 gint width_2, height_2;
3070 ev_view_get_page_size (view,
3071 view->current_page + 1,
3072 &width_2, &height_2);
3073 if (width_2 > width) {
3078 compute_border (view, width, height, &border);
3080 requisition->width = view->sizing_mode == EV_SIZING_FIT_WIDTH ? 1 :
3081 ((width + border.left + border.right) * 2) + (view->spacing * 3);
3082 requisition->height = (height + border.top + border.bottom) + (view->spacing * 2);
3086 ev_view_size_request_single_page (EvView *view,
3087 GtkRequisition *requisition)
3092 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
3093 requisition->width = 1;
3094 requisition->height = 1;
3099 ev_view_get_page_size (view, view->current_page, &width, &height);
3100 compute_border (view, width, height, &border);
3102 requisition->width = view->sizing_mode == EV_SIZING_FIT_WIDTH ? 1 :
3103 width + border.left + border.right + (2 * view->spacing);
3104 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
3108 ev_view_size_request (GtkWidget *widget,
3109 GtkRequisition *requisition)
3111 EvView *view = EV_VIEW (widget);
3113 if (view->document == NULL) {
3114 view->requisition.width = 1;
3115 view->requisition.height = 1;
3117 *requisition = view->requisition;
3122 /* Get zoom for size here when not called from
3123 * ev_view_size_allocate()
3125 if (!view->internal_size_request &&
3126 (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
3127 view->sizing_mode == EV_SIZING_BEST_FIT)) {
3128 GtkAllocation allocation;
3130 gtk_widget_get_allocation (widget, &allocation);
3131 ev_view_zoom_for_size (view,
3136 if (view->continuous && view->dual_page)
3137 ev_view_size_request_continuous_dual_page (view, &view->requisition);
3138 else if (view->continuous)
3139 ev_view_size_request_continuous (view, &view->requisition);
3140 else if (view->dual_page)
3141 ev_view_size_request_dual_page (view, &view->requisition);
3143 ev_view_size_request_single_page (view, &view->requisition);
3145 *requisition = view->requisition;
3149 ev_view_size_allocate (GtkWidget *widget,
3150 GtkAllocation *allocation)
3152 EvView *view = EV_VIEW (widget);
3153 GList *children, *l;
3154 gint root_x, root_y;
3156 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
3158 if (!view->document)
3161 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
3162 view->sizing_mode == EV_SIZING_BEST_FIT) {
3165 ev_view_zoom_for_size (view,
3167 allocation->height);
3168 view->internal_size_request = TRUE;
3169 ev_view_size_request (widget, &req);
3170 view->internal_size_request = FALSE;
3173 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
3174 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
3177 view_update_range_and_current_page (view);
3179 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
3180 view->pending_resize = FALSE;
3181 view->pending_point.x = 0;
3182 view->pending_point.y = 0;
3184 children = gtk_container_get_children (GTK_CONTAINER (widget));
3185 for (l = children; l && l->data; l = g_list_next (l)) {
3187 GdkRectangle view_area;
3188 EvMappingList *form_field_mapping;
3189 GtkAllocation child_allocation;
3190 GtkRequisition child_requisition;
3191 GtkWidget *child = (GtkWidget *)l->data;
3193 field = g_object_get_data (G_OBJECT (child), "form-field");
3197 form_field_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
3198 field->page->index);
3199 ev_view_get_area_from_mapping (view, field->page->index,
3203 gtk_widget_size_request (child, &child_requisition);
3204 if (child_requisition.width != view_area.width ||
3205 child_requisition.height != view_area.height)
3206 gtk_widget_set_size_request (child, view_area.width, view_area.height);
3208 gtk_container_child_get (GTK_CONTAINER (widget),
3210 "x", &child_allocation.x,
3211 "y", &child_allocation.y,
3213 if (child_allocation.x != view_area.x ||
3214 child_allocation.y != view_area.y) {
3215 gtk_layout_move (GTK_LAYOUT (widget), child, view_area.x, view_area.y);
3218 g_list_free (children);
3220 if (view->window_children)
3221 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
3224 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
3225 EvViewWindowChild *child;
3226 EvRectangle doc_rect;
3227 GdkRectangle view_rect;
3229 child = (EvViewWindowChild *)l->data;
3231 ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (child->window), &doc_rect);
3233 doc_rect.x1 = child->orig_x;
3234 doc_rect.y1 = child->orig_y;
3236 doc_rect_to_view_rect (view, child->page, &doc_rect, &view_rect);
3237 view_rect.x -= view->scroll_x;
3238 view_rect.y -= view->scroll_y;
3240 if (view_rect.x != child->orig_x || view_rect.y != child->orig_y) {
3241 child->parent_x = root_x;
3242 child->parent_y = root_y;
3243 ev_view_window_child_move (view, child, view_rect.x + root_x, view_rect.y + root_y);
3249 ev_view_realize (GtkWidget *widget)
3251 EvView *view = EV_VIEW (widget);
3252 GdkWindow *bin_window;
3255 if (GTK_WIDGET_CLASS (ev_view_parent_class)->realize)
3256 (* GTK_WIDGET_CLASS (ev_view_parent_class)->realize) (widget);
3258 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
3259 gdk_window_set_events (bin_window,
3260 (gdk_window_get_events (bin_window) |
3262 GDK_BUTTON_PRESS_MASK |
3263 GDK_BUTTON_RELEASE_MASK |
3265 GDK_KEY_PRESS_MASK |
3266 GDK_POINTER_MOTION_MASK |
3267 GDK_POINTER_MOTION_HINT_MASK |
3268 GDK_ENTER_NOTIFY_MASK |
3269 GDK_LEAVE_NOTIFY_MASK));
3271 style = gtk_widget_get_style (widget);
3272 gdk_window_set_background (bin_window, &style->mid[GTK_STATE_NORMAL]);
3274 on_adjustment_value_changed (NULL, view);
3278 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
3280 EvView *view = EV_VIEW (widget);
3283 state = event->state & gtk_accelerator_get_default_mod_mask ();
3285 if (state == GDK_CONTROL_MASK) {
3286 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
3287 if (event->direction == GDK_SCROLL_UP ||
3288 event->direction == GDK_SCROLL_LEFT) {
3289 if (ev_view_can_zoom_in (view)) {
3290 ev_view_zoom_in (view);
3293 if (ev_view_can_zoom_out (view)) {
3294 ev_view_zoom_out (view);
3301 view->jump_to_find_result = FALSE;
3303 /* Shift+Wheel scrolls the in the perpendicular direction */
3304 if (state & GDK_SHIFT_MASK) {
3305 if (event->direction == GDK_SCROLL_UP)
3306 event->direction = GDK_SCROLL_LEFT;
3307 else if (event->direction == GDK_SCROLL_LEFT)
3308 event->direction = GDK_SCROLL_UP;
3309 else if (event->direction == GDK_SCROLL_DOWN)
3310 event->direction = GDK_SCROLL_RIGHT;
3311 else if (event->direction == GDK_SCROLL_RIGHT)
3312 event->direction = GDK_SCROLL_DOWN;
3314 event->state &= ~GDK_SHIFT_MASK;
3315 state &= ~GDK_SHIFT_MASK;
3318 if (state == 0 && view->sizing_mode == EV_SIZING_BEST_FIT && !view->continuous) {
3319 switch (event->direction) {
3320 case GDK_SCROLL_DOWN:
3321 case GDK_SCROLL_RIGHT:
3322 ev_view_next_page (view);
3325 case GDK_SCROLL_LEFT:
3326 ev_view_previous_page (view);
3336 static EvViewSelection *
3337 find_selection_for_page (EvView *view,
3342 for (list = view->selection_info.selections; list != NULL; list = list->next) {
3343 EvViewSelection *selection;
3345 selection = (EvViewSelection *) list->data;
3347 if (selection->page == page)
3354 #if GTK_CHECK_VERSION (2, 90, 8)
3356 ev_view_draw (GtkWidget *widget,
3358 int draw_width G_GNUC_UNUSED,
3359 int draw_height G_GNUC_UNUSED)
3362 ev_view_expose_event (GtkWidget *widget,
3363 GdkEventExpose *event)
3366 EvView *view = EV_VIEW (widget);
3368 #if GTK_CHECK_VERSION (2, 90, 8)
3369 cairo_rectangle_int_t clip_rect;
3370 GdkRectangle *area = &clip_rect;
3372 GdkWindow *bin_window;
3374 GdkRectangle *area = &event->area;
3377 if (view->loading) {
3378 show_loading_window (view);
3379 } else if (view->loading_window &&
3380 gtk_widget_get_visible (view->loading_window)) {
3381 ev_view_loading_window_move (view);
3384 if (view->document == NULL)
3387 #if GTK_CHECK_VERSION (2, 90, 8)
3388 if (!gdk_cairo_get_clip_rectangle (cr, &clip_rect))
3391 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
3392 cr = gdk_cairo_create (bin_window);
3395 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
3396 GdkRectangle page_area;
3398 gboolean page_ready = TRUE;
3400 if (!ev_view_get_page_extents (view, i, &page_area, &border))
3403 page_area.x -= view->scroll_x;
3404 page_area.y -= view->scroll_y;
3406 draw_one_page (view, i, cr, &page_area, &border, area, &page_ready);
3408 if (page_ready && view->find_pages && view->highlight_find_results)
3409 highlight_find_results (view, cr, i);
3410 if (page_ready && EV_IS_DOCUMENT_ANNOTATIONS (view->document))
3411 show_annotation_windows (view, i);
3412 if (page_ready && view->focus_annotation)
3413 #if GTK_CHECK_VERSION (2, 90, 8)
3414 focus_annotation (view, cr, i, &clip_rect);
3416 focus_annotation (view, cr, i, &event->area);
3418 if (page_ready && view->synctex_result)
3419 highlight_forward_search_results (view, cr, i);
3422 #if GTK_CHECK_VERSION (2, 90, 8)
3423 if (GTK_WIDGET_CLASS (ev_view_parent_class)->draw)
3424 GTK_WIDGET_CLASS (ev_view_parent_class)->draw (widget, cr, draw_width, draw_height);
3428 if (GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event)
3429 (* GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) (widget, event);
3436 ev_view_do_popup_menu (EvView *view,
3440 GList *items = NULL;
3443 EvAnnotation *annot;
3445 image = ev_view_get_image_at_location (view, x, y);
3447 items = g_list_prepend (items, image);
3449 link = ev_view_get_link_at_location (view, x, y);
3451 items = g_list_prepend (items, link);
3453 annot = ev_view_get_annotation_at_location (view, x, y);
3455 items = g_list_prepend (items, annot);
3457 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, items);
3459 g_list_free (items);
3465 ev_view_popup_menu (GtkWidget *widget)
3469 gtk_widget_get_pointer (widget, &x, &y);
3470 return ev_view_do_popup_menu (EV_VIEW (widget), x, y);
3474 get_link_area (EvView *view,
3480 EvMappingList *link_mapping;
3482 gint x_offset = 0, y_offset = 0;
3484 x += view->scroll_x;
3485 y += view->scroll_y;
3487 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3489 link_mapping = ev_page_cache_get_link_mapping (view->page_cache, page);
3490 ev_view_get_area_from_mapping (view, page,
3496 get_annot_area (EvView *view,
3499 EvAnnotation *annot,
3502 EvMappingList *annot_mapping;
3504 gint x_offset = 0, y_offset = 0;
3506 x += view->scroll_x;
3507 y += view->scroll_y;
3509 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3511 annot_mapping = ev_page_cache_get_annot_mapping (view->page_cache, page);
3512 ev_view_get_area_from_mapping (view, page,
3518 ev_view_query_tooltip (GtkWidget *widget,
3521 gboolean keyboard_tip,
3522 GtkTooltip *tooltip)
3524 EvView *view = EV_VIEW (widget);
3526 EvAnnotation *annot;
3529 annot = ev_view_get_annotation_at_location (view, x, y);
3531 const gchar *contents;
3533 if ((contents = ev_annotation_get_contents (annot))) {
3534 GdkRectangle annot_area;
3536 get_annot_area (view, x, y, annot, &annot_area);
3537 gtk_tooltip_set_text (tooltip, contents);
3538 gtk_tooltip_set_tip_area (tooltip, &annot_area);
3544 link = ev_view_get_link_at_location (view, x, y);
3548 text = tip_from_link (view, link);
3549 if (text && g_utf8_validate (text, -1, NULL)) {
3550 GdkRectangle link_area;
3552 get_link_area (view, x, y, link, &link_area);
3553 gtk_tooltip_set_text (tooltip, text);
3554 gtk_tooltip_set_tip_area (tooltip, &link_area);
3565 start_selection_for_event (EvView *view,
3566 GdkEventButton *event)
3568 clear_selection (view);
3570 view->selection_info.start.x = event->x + view->scroll_x;
3571 view->selection_info.start.y = event->y + view->scroll_y;
3573 switch (event->type) {
3574 case GDK_2BUTTON_PRESS:
3575 view->selection_info.style = EV_SELECTION_STYLE_WORD;
3577 case GDK_3BUTTON_PRESS:
3578 view->selection_info.style = EV_SELECTION_STYLE_LINE;
3581 view->selection_info.style = EV_SELECTION_STYLE_GLYPH;
3585 /* In case of WORD or LINE, compute selections now */
3586 compute_selections (view,
3587 view->selection_info.style,
3588 &(view->selection_info.start),
3589 &(view->selection_info.start));
3593 ev_view_button_press_event (GtkWidget *widget,
3594 GdkEventButton *event)
3596 EvView *view = EV_VIEW (widget);
3598 if (!view->document)
3601 if (!gtk_widget_has_focus (widget)) {
3602 gtk_widget_grab_focus (widget);
3605 if (view->window_child_focus) {
3606 EvAnnotationWindow *window;
3607 EvAnnotation *annot;
3609 window = EV_ANNOTATION_WINDOW (view->window_child_focus->window);
3610 annot = ev_annotation_window_get_annotation (window);
3611 ev_annotation_window_ungrab_focus (window);
3612 view->window_child_focus = NULL;
3615 view->pressed_button = event->button;
3616 view->selection_info.in_drag = FALSE;
3618 if (view->adding_annot)
3621 if (view->scroll_info.autoscrolling)
3624 switch (event->button) {
3627 EvAnnotation *annot;
3630 if (event->state & GDK_CONTROL_MASK)
3631 return ev_view_synctex_backward_search (view, event->x , event->y);
3633 if (EV_IS_SELECTION (view->document) && view->selection_info.selections) {
3634 if (event->type == GDK_3BUTTON_PRESS) {
3635 start_selection_for_event (view, event);
3636 } else if (location_in_selected_text (view,
3637 event->x + view->scroll_x,
3638 event->y + view->scroll_y)) {
3639 view->selection_info.in_drag = TRUE;
3641 start_selection_for_event (view, event);
3644 gtk_widget_queue_draw (widget);
3645 } else if ((annot = ev_view_get_annotation_at_location (view, event->x, event->y))) {
3646 ev_view_handle_annotation (view, annot, event->x, event->y, event->time);
3647 } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) {
3648 ev_view_remove_all (view);
3649 ev_view_handle_form_field (view, field, event->x, event->y);
3650 } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) &&
3651 (image = ev_view_get_image_at_location (view, event->x, event->y))) {
3652 if (view->image_dnd_info.image)
3653 g_object_unref (view->image_dnd_info.image);
3654 view->image_dnd_info.image = g_object_ref (image);
3655 view->image_dnd_info.in_drag = TRUE;
3657 view->image_dnd_info.start.x = event->x + view->scroll_x;
3658 view->image_dnd_info.start.y = event->y + view->scroll_y;
3660 ev_view_remove_all (view);
3662 if (view->synctex_result) {
3663 g_free (view->synctex_result);
3664 view->synctex_result = NULL;
3665 gtk_widget_queue_draw (widget);
3668 if (view->focus_annotation)
3669 view->focus_annotation = NULL;
3671 if (EV_IS_SELECTION (view->document))
3672 start_selection_for_event (view, event);
3677 /* use root coordinates as reference point because
3678 * scrolling changes window relative coordinates */
3679 view->drag_info.start.x = event->x_root;
3680 view->drag_info.start.y = event->y_root;
3681 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
3682 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
3684 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
3688 view->scroll_info.start_y = event->y;
3689 return ev_view_do_popup_menu (view, event->x, event->y);
3696 ev_view_remove_all (EvView *view)
3698 GList *children, *child;
3700 children = gtk_container_get_children (GTK_CONTAINER (view));
3701 for (child = children; child && child->data; child = g_list_next (child)) {
3702 gtk_container_remove (GTK_CONTAINER (view),
3703 GTK_WIDGET (child->data));
3705 g_list_free (children);
3708 /*** Drag and Drop ***/
3710 ev_view_drag_data_get (GtkWidget *widget,
3711 GdkDragContext *context,
3712 GtkSelectionData *selection_data,
3716 EvView *view = EV_VIEW (widget);
3719 case TARGET_DND_TEXT:
3720 if (EV_IS_SELECTION (view->document) &&
3721 view->selection_info.selections) {
3724 text = get_selected_text (view);
3725 gtk_selection_data_set_text (selection_data,
3731 case TARGET_DND_IMAGE:
3732 if (view->image_dnd_info.image) {
3735 ev_document_doc_mutex_lock ();
3736 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3737 view->image_dnd_info.image);
3738 ev_document_doc_mutex_unlock ();
3740 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
3741 g_object_unref (pixbuf);
3744 case TARGET_DND_URI:
3745 if (view->image_dnd_info.image) {
3747 const gchar *tmp_uri;
3750 ev_document_doc_mutex_lock ();
3751 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3752 view->image_dnd_info.image);
3753 ev_document_doc_mutex_unlock ();
3755 tmp_uri = ev_image_save_tmp (view->image_dnd_info.image, pixbuf);
3756 g_object_unref (pixbuf);
3758 uris[0] = (gchar *)tmp_uri;
3760 gtk_selection_data_set_uris (selection_data, uris);
3766 ev_view_drag_motion (GtkWidget *widget,
3767 GdkDragContext *context,
3772 if (gtk_drag_get_source_widget (context) == widget)
3773 gdk_drag_status (context, 0, time);
3775 gdk_drag_status (context, gdk_drag_context_get_suggested_action (context), time);
3781 selection_update_idle_cb (EvView *view)
3783 compute_selections (view,
3784 view->selection_info.style,
3785 &view->selection_info.start,
3787 view->selection_update_id = 0;
3792 selection_scroll_timeout_cb (EvView *view)
3794 gint x, y, shift = 0;
3795 GtkWidget *widget = GTK_WIDGET (view);
3796 GtkAllocation allocation;
3798 gtk_widget_get_allocation (widget, &allocation);
3799 gtk_widget_get_pointer (widget, &x, &y);
3801 if (y > allocation.height) {
3802 shift = (y - allocation.height) / 2;
3808 gtk_adjustment_set_value (view->vadjustment,
3809 CLAMP (gtk_adjustment_get_value (view->vadjustment) + shift,
3810 gtk_adjustment_get_lower (view->vadjustment),
3811 gtk_adjustment_get_upper (view->vadjustment) -
3812 gtk_adjustment_get_page_size (view->vadjustment)));
3814 if (x > allocation.width) {
3815 shift = (x - allocation.width) / 2;
3821 gtk_adjustment_set_value (view->hadjustment,
3822 CLAMP (gtk_adjustment_get_value (view->hadjustment) + shift,
3823 gtk_adjustment_get_lower (view->hadjustment),
3824 gtk_adjustment_get_upper (view->hadjustment) -
3825 gtk_adjustment_get_page_size (view->hadjustment)));
3831 ev_view_drag_update_momentum (EvView *view)
3834 if (!view->drag_info.in_drag)
3837 for (i = DRAG_HISTORY - 1; i > 0; i--) {
3838 view->drag_info.buffer[i].x = view->drag_info.buffer[i-1].x;
3839 view->drag_info.buffer[i].y = view->drag_info.buffer[i-1].y;
3842 /* Momentum is a moving average of 10ms granularity over
3843 * the last 100ms with each 10ms stored in buffer.
3846 view->drag_info.momentum.x = (view->drag_info.buffer[DRAG_HISTORY - 1].x - view->drag_info.buffer[0].x);
3847 view->drag_info.momentum.y = (view->drag_info.buffer[DRAG_HISTORY - 1].y - view->drag_info.buffer[0].y);
3853 ev_view_scroll_drag_release (EvView *view)
3855 gdouble dhadj_value, dvadj_value;
3856 gdouble oldhadjustment, oldvadjustment;
3857 gdouble h_page_size, v_page_size;
3858 gdouble h_upper, v_upper;
3859 GtkAllocation allocation;
3861 view->drag_info.momentum.x /= 1.2;
3862 view->drag_info.momentum.y /= 1.2; /* Alter these constants to change "friction" */
3864 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
3866 h_page_size = gtk_adjustment_get_page_size (view->hadjustment);
3867 v_page_size = gtk_adjustment_get_page_size (view->vadjustment);
3869 dhadj_value = h_page_size *
3870 (gdouble)view->drag_info.momentum.x / allocation.width;
3871 dvadj_value = v_page_size *
3872 (gdouble)view->drag_info.momentum.y / allocation.height;
3874 oldhadjustment = gtk_adjustment_get_value (view->hadjustment);
3875 oldvadjustment = gtk_adjustment_get_value (view->vadjustment);
3877 h_upper = gtk_adjustment_get_upper (view->hadjustment);
3878 v_upper = gtk_adjustment_get_upper (view->vadjustment);
3880 /* When we reach the edges, we need either to absorb some momentum and bounce by
3881 * multiplying it on -0.5 or stop scrolling by setting momentum to 0. */
3882 if (((oldhadjustment + dhadj_value) > (h_upper - h_page_size)) ||
3883 ((oldhadjustment + dhadj_value) < 0))
3884 view->drag_info.momentum.x = 0;
3885 if (((oldvadjustment + dvadj_value) > (v_upper - v_page_size)) ||
3886 ((oldvadjustment + dvadj_value) < 0))
3887 view->drag_info.momentum.y = 0;
3889 gtk_adjustment_set_value (view->hadjustment,
3890 MIN (oldhadjustment + dhadj_value,
3891 h_upper - h_page_size));
3892 gtk_adjustment_set_value (view->vadjustment,
3893 MIN (oldvadjustment + dvadj_value,
3894 v_upper - v_page_size));
3896 if (((view->drag_info.momentum.x < 1) && (view->drag_info.momentum.x > -1)) &&
3897 ((view->drag_info.momentum.y < 1) && (view->drag_info.momentum.y > -1)))
3904 ev_view_motion_notify_event (GtkWidget *widget,
3905 GdkEventMotion *event)
3907 EvView *view = EV_VIEW (widget);
3908 GdkWindow *bin_window;
3911 if (!view->document)
3914 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
3916 if (event->is_hint || event->window != bin_window) {
3917 gtk_widget_get_pointer (widget, &x, &y);
3923 if (view->scroll_info.autoscrolling) {
3924 view->scroll_info.last_y = y;
3928 if (view->selection_info.in_drag) {
3929 if (gtk_drag_check_threshold (widget,
3930 view->selection_info.start.x,
3931 view->selection_info.start.y,
3933 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3935 gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT);
3937 gtk_drag_begin (widget, target_list,
3939 1, (GdkEvent *)event);
3941 view->selection_info.in_drag = FALSE;
3943 gtk_target_list_unref (target_list);
3947 } else if (view->image_dnd_info.in_drag) {
3948 if (gtk_drag_check_threshold (widget,
3949 view->selection_info.start.x,
3950 view->selection_info.start.y,
3952 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3954 gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI);
3955 gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE);
3957 gtk_drag_begin (widget, target_list,
3959 1, (GdkEvent *)event);
3961 view->image_dnd_info.in_drag = FALSE;
3963 gtk_target_list_unref (target_list);
3969 switch (view->pressed_button) {
3971 /* For the Evince 0.4.x release, we limit selection to un-rotated
3974 if (view->rotation != 0)
3977 /* Schedule timeout to scroll during selection and additionally
3978 * scroll once to allow arbitrary speed. */
3979 if (!view->selection_scroll_id)
3980 view->selection_scroll_id = g_timeout_add (SCROLL_TIME,
3981 (GSourceFunc)selection_scroll_timeout_cb,
3984 selection_scroll_timeout_cb (view);
3986 view->selection_info.in_selection = TRUE;
3987 view->motion.x = x + view->scroll_x;
3988 view->motion.y = y + view->scroll_y;
3990 /* Queue an idle to handle the motion. We do this because
3991 * handling any selection events in the motion could be slower
3992 * than new motion events reach us. We always put it in the
3993 * idle to make sure we catch up and don't visibly lag the
3995 if (!view->selection_update_id)
3996 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
4000 if (!view->drag_info.in_drag) {
4004 start = gtk_drag_check_threshold (widget,
4005 view->drag_info.start.x,
4006 view->drag_info.start.y,
4009 view->drag_info.in_drag = start;
4010 view->drag_info.drag_timeout_id = g_timeout_add (10,
4011 (GSourceFunc)ev_view_drag_update_momentum, view);
4012 /* Set 100 to choose how long it takes to build up momentum */
4013 /* Clear out previous momentum info: */
4014 for (i = 0; i < DRAG_HISTORY; i++) {
4015 view->drag_info.buffer[i].x = event->x;
4016 view->drag_info.buffer[i].y = event->y;
4018 view->drag_info.momentum.x = 0;
4019 view->drag_info.momentum.y = 0;
4022 if (view->drag_info.in_drag) {
4024 gdouble dhadj_value, dvadj_value;
4025 GtkAllocation allocation;
4027 view->drag_info.buffer[0].x = event->x;
4028 view->drag_info.buffer[0].y = event->y;
4030 dx = event->x_root - view->drag_info.start.x;
4031 dy = event->y_root - view->drag_info.start.y;
4033 gtk_widget_get_allocation (widget, &allocation);
4035 dhadj_value = gtk_adjustment_get_page_size (view->hadjustment) *
4036 (gdouble)dx / allocation.width;
4037 dvadj_value = gtk_adjustment_get_page_size (view->vadjustment) *
4038 (gdouble)dy / allocation.height;
4040 /* clamp scrolling to visible area */
4041 gtk_adjustment_set_value (view->hadjustment,
4042 MIN (view->drag_info.hadj - dhadj_value,
4043 gtk_adjustment_get_upper (view->hadjustment) -
4044 gtk_adjustment_get_page_size (view->hadjustment)));
4045 gtk_adjustment_set_value (view->vadjustment,
4046 MIN (view->drag_info.vadj - dvadj_value,
4047 gtk_adjustment_get_upper (view->vadjustment) -
4048 gtk_adjustment_get_page_size (view->vadjustment)));
4055 ev_view_handle_cursor_over_xy (view, x, y);
4062 ev_view_button_release_event (GtkWidget *widget,
4063 GdkEventButton *event)
4065 EvView *view = EV_VIEW (widget);
4066 EvLink *link = NULL;
4068 view->image_dnd_info.in_drag = FALSE;
4070 if (view->scroll_info.autoscrolling) {
4071 ev_view_autoscroll_stop (view);
4072 view->pressed_button = -1;
4077 if (view->pressed_button == 1 && event->state & GDK_CONTROL_MASK) {
4078 view->pressed_button = -1;
4082 if (view->drag_info.in_drag) {
4083 view->drag_info.release_timeout_id =
4085 (GSourceFunc)ev_view_scroll_drag_release, view);
4088 if (view->document && !view->drag_info.in_drag && view->pressed_button != 3) {
4089 link = ev_view_get_link_at_location (view, event->x, event->y);
4092 view->drag_info.in_drag = FALSE;
4094 if (view->adding_annot && view->pressed_button == 1) {
4095 view->adding_annot = FALSE;
4096 ev_view_handle_cursor_over_xy (view, event->x, event->y);
4097 view->pressed_button = -1;
4099 ev_view_create_annotation (view,
4100 view->adding_annot_type,
4101 event->x + view->scroll_x,
4102 event->y + view->scroll_y);
4107 if (view->pressed_button == 2) {
4108 ev_view_handle_cursor_over_xy (view, event->x, event->y);
4111 view->pressed_button = -1;
4113 if (view->selection_scroll_id) {
4114 g_source_remove (view->selection_scroll_id);
4115 view->selection_scroll_id = 0;
4117 if (view->selection_update_id) {
4118 g_source_remove (view->selection_update_id);
4119 view->selection_update_id = 0;
4122 if (view->selection_info.selections) {
4123 clear_link_selected (view);
4124 ev_view_update_primary_selection (view);
4126 if (view->selection_info.in_drag) {
4127 clear_selection (view);
4128 gtk_widget_queue_draw (widget);
4131 view->selection_info.in_drag = FALSE;
4133 if (event->button == 2) {
4134 EvLinkAction *action;
4135 EvLinkActionType type;
4137 action = ev_link_get_action (link);
4141 type = ev_link_action_get_action_type (action);
4142 if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
4143 g_signal_emit (view,
4144 signals[SIGNAL_EXTERNAL_LINK],
4148 ev_view_handle_link (view, link);
4156 ev_view_key_press_event (GtkWidget *widget,
4159 EvView *view = EV_VIEW (widget);
4161 if (!view->document)
4164 if (!gtk_widget_has_focus (widget)) {
4165 /* Forward key events to current focused window child */
4166 if (view->window_child_focus) {
4167 GdkEventKey *new_event;
4170 new_event = (GdkEventKey *) gdk_event_copy ((GdkEvent *)event);
4171 g_object_unref (new_event->window);
4172 new_event->window = gtk_widget_get_window (view->window_child_focus->window);
4173 if (new_event->window)
4174 g_object_ref (new_event->window);
4175 gtk_widget_realize (view->window_child_focus->window);
4176 handled = gtk_widget_event (view->window_child_focus->window, (GdkEvent *)new_event);
4177 gdk_event_free ((GdkEvent *)new_event);
4185 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
4189 ev_view_focus_in (GtkWidget *widget,
4190 GdkEventFocus *event)
4192 if (EV_VIEW (widget)->pixbuf_cache)
4193 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4194 gtk_widget_queue_draw (widget);
4200 ev_view_focus_out (GtkWidget *widget,
4201 GdkEventFocus *event)
4203 if (EV_VIEW (widget)->pixbuf_cache)
4204 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4205 gtk_widget_queue_draw (widget);
4211 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
4213 EvView *view = EV_VIEW (widget);
4215 if (view->cursor != EV_VIEW_CURSOR_NORMAL)
4216 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
4222 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
4224 EvView *view = EV_VIEW (widget);
4226 ev_view_handle_cursor_over_xy (view, event->x, event->y);
4232 ev_view_style_set (GtkWidget *widget,
4233 GtkStyle *old_style)
4235 if (EV_VIEW (widget)->pixbuf_cache)
4236 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4238 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
4244 draw_rubberband (EvView *view,
4246 const GdkRectangle *rect,
4250 const GdkColor *fill_color_gdk;
4253 style = gtk_widget_get_style (GTK_WIDGET (view));
4254 fill_color_gdk = &style->base[GTK_STATE_SELECTED];
4255 r = fill_color_gdk->red / 65535.;
4256 g = fill_color_gdk->green / 65535.;
4257 b = fill_color_gdk->blue / 65535.;
4261 cairo_set_source_rgba (cr, r, g, b, alpha);
4262 cairo_rectangle (cr,
4263 rect->x - view->scroll_x,
4264 rect->y - view->scroll_y,
4265 rect->width, rect->height);
4266 cairo_fill_preserve (cr);
4268 cairo_set_line_width (cr, 0.5);
4269 cairo_set_source_rgb (cr, r, g, b);
4277 highlight_find_results (EvView *view,
4281 gint i, n_results = 0;
4282 n_results = ev_view_find_get_n_results (view, page);
4284 for (i = 0; i < n_results; i++) {
4285 EvRectangle *rectangle;
4286 GdkRectangle view_rectangle;
4289 if (i == view->find_result && page == view->current_page) {
4295 rectangle = ev_view_find_get_result (view, page, i);
4296 doc_rect_to_view_rect (view, page, rectangle, &view_rectangle);
4297 draw_rubberband (view, cr, &view_rectangle, alpha);
4302 highlight_forward_search_results (EvView *view,
4307 EvMapping *mapping = view->synctex_result;
4309 if (GPOINTER_TO_INT (mapping->data) != page)
4312 doc_rect_to_view_rect (view, page, &mapping->area, &rect);
4315 cairo_set_source_rgb (cr, 1., 0., 0.);
4316 cairo_rectangle (cr,
4317 rect.x - view->scroll_x,
4318 rect.y - view->scroll_y,
4319 rect.width, rect.height);
4325 focus_annotation (EvView *view,
4330 GtkWidget *widget = GTK_WIDGET (view);
4332 EvMapping *mapping = view->focus_annotation;
4333 EvAnnotation *annot = (EvAnnotation *)mapping->data;
4335 if (ev_annotation_get_page_index (annot) != page)
4338 doc_rect_to_view_rect (view, page, &mapping->area, &rect);
4339 #if GTK_CHECK_VERSION (2, 90, 8)
4340 gtk_paint_focus (gtk_widget_get_style (widget),
4342 gtk_widget_get_state (widget),
4344 rect.x - view->scroll_x,
4345 rect.y - view->scroll_y,
4346 rect.width + 1, rect.height + 1);
4348 gtk_paint_focus (gtk_widget_get_style (widget),
4349 gtk_layout_get_bin_window (GTK_LAYOUT (view)),
4350 gtk_widget_get_state (widget),
4352 rect.x - view->scroll_x,
4353 rect.y - view->scroll_y,
4354 rect.width + 1, rect.height + 1);
4359 ev_view_loading_window_move (EvView *view)
4361 GtkWidget *widget = GTK_WIDGET (view);
4362 EvLoadingWindow *window = EV_LOADING_WINDOW (view->loading_window);
4363 gint root_x, root_y;
4365 GtkAllocation allocation;
4367 gtk_widget_get_allocation (widget, &allocation);
4368 gdk_window_get_origin (gtk_widget_get_window (widget), &root_x, &root_y);
4369 ev_loading_window_get_size (window, &window_width, NULL);
4371 root_x += allocation.width - window_width - 10;
4374 ev_loading_window_move (window, root_x, root_y);
4378 show_loading_window_cb (EvView *view)
4380 if (!view->loading_window) {
4384 parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
4385 view->loading_window = ev_loading_window_new (parent);
4387 /* Show the window off screen to get a valid size asap */
4388 screen = gtk_widget_get_screen (GTK_WIDGET (view));
4389 gtk_window_move (GTK_WINDOW (view->loading_window),
4390 gdk_screen_get_width (screen) + 1,
4391 gdk_screen_get_height (screen) + 1);
4392 gtk_widget_show (view->loading_window);
4395 ev_view_loading_window_move (view);
4397 gtk_widget_show (view->loading_window);
4399 view->loading_timeout = 0;
4405 show_loading_window (EvView *view)
4407 if (view->loading_window && gtk_widget_get_visible (view->loading_window)) {
4408 ev_view_loading_window_move (view);
4412 if (!view->loading_timeout) {
4413 view->loading_timeout =
4414 g_timeout_add_full (G_PRIORITY_LOW,
4415 0.5, (GSourceFunc)show_loading_window_cb,
4421 hide_loading_window (EvView *view)
4423 if (view->loading_timeout) {
4424 g_source_remove (view->loading_timeout);
4425 view->loading_timeout = 0;
4428 if (view->loading_window && gtk_widget_get_visible (view->loading_window)) {
4429 gtk_widget_hide (view->loading_window);
4434 draw_one_page (EvView *view,
4437 GdkRectangle *page_area,
4439 GdkRectangle *expose_area,
4440 gboolean *page_ready)
4442 GdkRectangle overlap;
4443 GdkRectangle real_page_area;
4445 gboolean inverted_colors;
4447 g_assert (view->document);
4449 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
4452 /* Render the document itself */
4453 real_page_area = *page_area;
4455 real_page_area.x += border->left;
4456 real_page_area.y += border->top;
4457 real_page_area.width -= (border->left + border->right);
4458 real_page_area.height -= (border->top + border->bottom);
4461 current_page = ev_document_model_get_page (view->model);
4462 inverted_colors = ev_document_model_get_inverted_colors (view->model);
4463 ev_document_misc_paint_one_page (cr,
4466 page == current_page,
4469 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
4471 gint page_width, page_height;
4472 cairo_surface_t *page_surface = NULL;
4473 gint selection_width, selection_height;
4474 cairo_surface_t *selection_surface = NULL;
4476 page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page);
4478 if (!page_surface) {
4479 if (page == current_page)
4480 show_loading_window (view);
4482 *page_ready = FALSE;
4487 if (page == current_page)
4488 hide_loading_window (view);
4490 ev_view_get_page_size (view, page, &width, &height);
4492 page_width = cairo_image_surface_get_width (page_surface);
4493 page_height = cairo_image_surface_get_height (page_surface);
4496 cairo_translate (cr, overlap.x, overlap.y);
4498 if (width != page_width || height != page_height) {
4499 cairo_pattern_set_filter (cairo_get_source (cr),
4502 (gdouble)width / page_width,
4503 (gdouble)height / page_height);
4506 cairo_surface_set_device_offset (page_surface,
4507 overlap.x - real_page_area.x,
4508 overlap.y - real_page_area.y);
4509 cairo_set_source_surface (cr, page_surface, 0, 0);
4513 /* Get the selection pixbuf iff we have something to draw */
4514 if (find_selection_for_page (view, page) &&
4515 view->selection_mode == EV_VIEW_SELECTION_TEXT) {
4517 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
4523 if (!selection_surface) {
4527 selection_width = cairo_image_surface_get_width (selection_surface);
4528 selection_height = cairo_image_surface_get_height (selection_surface);
4531 cairo_translate (cr, overlap.x, overlap.y);
4533 if (width != selection_width || height != selection_height) {
4534 cairo_pattern_set_filter (cairo_get_source (cr),
4537 (gdouble)width / selection_width,
4538 (gdouble)height / selection_height);
4541 cairo_surface_set_device_offset (selection_surface,
4542 overlap.x - real_page_area.x,
4543 overlap.y - real_page_area.y);
4545 cairo_set_source_surface (cr, selection_surface, 0, 0);
4551 /*** GObject functions ***/
4554 ev_view_finalize (GObject *object)
4556 EvView *view = EV_VIEW (object);
4558 clear_selection (view);
4559 clear_link_selected (view);
4561 if (view->synctex_result) {
4562 g_free (view->synctex_result);
4563 view->synctex_result = NULL;
4566 if (view->image_dnd_info.image)
4567 g_object_unref (view->image_dnd_info.image);
4568 view->image_dnd_info.image = NULL;
4570 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
4574 ev_view_destroy (GtkObject *object)
4576 EvView *view = EV_VIEW (object);
4579 g_object_unref (view->model);
4583 if (view->pixbuf_cache) {
4584 g_object_unref (view->pixbuf_cache);
4585 view->pixbuf_cache = NULL;
4588 if (view->document) {
4589 g_object_unref (view->document);
4590 view->document = NULL;
4593 if (view->page_cache) {
4594 g_object_unref (view->page_cache);
4595 view->page_cache = NULL;
4598 ev_view_window_children_free (view);
4600 if (view->selection_scroll_id) {
4601 g_source_remove (view->selection_scroll_id);
4602 view->selection_scroll_id = 0;
4605 if (view->selection_update_id) {
4606 g_source_remove (view->selection_update_id);
4607 view->selection_update_id = 0;
4610 if (view->scroll_info.timeout_id) {
4611 g_source_remove (view->scroll_info.timeout_id);
4612 view->scroll_info.timeout_id = 0;
4615 if (view->drag_info.drag_timeout_id) {
4616 g_source_remove (view->drag_info.drag_timeout_id);
4617 view->drag_info.drag_timeout_id = 0;
4620 if (view->drag_info.release_timeout_id) {
4621 g_source_remove (view->drag_info.release_timeout_id);
4622 view->drag_info.release_timeout_id = 0;
4625 if (view->loading_timeout) {
4626 g_source_remove (view->loading_timeout);
4627 view->loading_timeout = 0;
4630 ev_view_set_scroll_adjustments (GTK_LAYOUT (view), NULL, NULL);
4632 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
4636 ev_view_get_accessible (GtkWidget *widget)
4638 static gboolean first_time = TRUE;
4641 AtkObjectFactory *factory;
4642 AtkRegistry *registry;
4644 GType derived_atk_type;
4647 * Figure out whether accessibility is enabled by looking at the
4648 * type of the accessible object which would be created for
4649 * the parent type of EvView.
4651 derived_type = g_type_parent (EV_TYPE_VIEW);
4653 registry = atk_get_default_registry ();
4654 factory = atk_registry_get_factory (registry,
4656 derived_atk_type = atk_object_factory_get_accessible_type (factory);
4657 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE)) {
4658 atk_registry_set_factory_type (registry,
4660 ev_view_accessible_factory_get_type ());
4661 EV_VIEW (widget)->a11y_enabled = TRUE;
4665 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
4669 ev_view_class_init (EvViewClass *class)
4671 GObjectClass *object_class = G_OBJECT_CLASS (class);
4672 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
4673 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
4674 GtkLayoutClass *layout_class = GTK_LAYOUT_CLASS (class);
4675 GtkBindingSet *binding_set;
4677 object_class->finalize = ev_view_finalize;
4679 #if GTK_CHECK_VERSION (2, 90, 8)
4680 widget_class->draw = ev_view_draw;
4682 widget_class->expose_event = ev_view_expose_event;
4684 widget_class->button_press_event = ev_view_button_press_event;
4685 widget_class->motion_notify_event = ev_view_motion_notify_event;
4686 widget_class->button_release_event = ev_view_button_release_event;
4687 widget_class->key_press_event = ev_view_key_press_event;
4688 widget_class->focus_in_event = ev_view_focus_in;
4689 widget_class->focus_out_event = ev_view_focus_out;
4690 widget_class->get_accessible = ev_view_get_accessible;
4691 widget_class->size_request = ev_view_size_request;
4692 widget_class->size_allocate = ev_view_size_allocate;
4693 widget_class->realize = ev_view_realize;
4694 widget_class->scroll_event = ev_view_scroll_event;
4695 widget_class->enter_notify_event = ev_view_enter_notify_event;
4696 widget_class->leave_notify_event = ev_view_leave_notify_event;
4697 widget_class->style_set = ev_view_style_set;
4698 widget_class->drag_data_get = ev_view_drag_data_get;
4699 widget_class->drag_motion = ev_view_drag_motion;
4700 widget_class->popup_menu = ev_view_popup_menu;
4701 widget_class->query_tooltip = ev_view_query_tooltip;
4703 gtk_object_class->destroy = ev_view_destroy;
4705 layout_class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
4707 class->binding_activated = ev_view_scroll;
4709 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
4710 G_TYPE_FROM_CLASS (object_class),
4711 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4712 G_STRUCT_OFFSET (EvViewClass, binding_activated),
4714 ev_view_marshal_VOID__ENUM_BOOLEAN,
4716 GTK_TYPE_SCROLL_TYPE,
4718 signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link",
4719 G_TYPE_FROM_CLASS (object_class),
4720 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4721 G_STRUCT_OFFSET (EvViewClass, handle_link),
4723 g_cclosure_marshal_VOID__OBJECT,
4726 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
4727 G_TYPE_FROM_CLASS (object_class),
4728 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4729 G_STRUCT_OFFSET (EvViewClass, external_link),
4731 g_cclosure_marshal_VOID__OBJECT,
4734 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
4735 G_TYPE_FROM_CLASS (object_class),
4736 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4737 G_STRUCT_OFFSET (EvViewClass, popup_menu),
4739 g_cclosure_marshal_VOID__POINTER,
4742 signals[SIGNAL_SELECTION_CHANGED] = g_signal_new ("selection-changed",
4743 G_TYPE_FROM_CLASS (object_class),
4744 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4745 G_STRUCT_OFFSET (EvViewClass, selection_changed),
4747 g_cclosure_marshal_VOID__VOID,
4750 signals[SIGNAL_SYNC_SOURCE] = g_signal_new ("sync-source",
4751 G_TYPE_FROM_CLASS (object_class),
4752 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4753 G_STRUCT_OFFSET (EvViewClass, sync_source),
4755 g_cclosure_marshal_VOID__POINTER,
4758 signals[SIGNAL_ANNOT_ADDED] = g_signal_new ("annot-added",
4759 G_TYPE_FROM_CLASS (object_class),
4760 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4761 G_STRUCT_OFFSET (EvViewClass, annot_added),
4763 g_cclosure_marshal_VOID__OBJECT,
4765 EV_TYPE_ANNOTATION);
4766 signals[SIGNAL_LAYERS_CHANGED] = g_signal_new ("layers-changed",
4767 G_TYPE_FROM_CLASS (object_class),
4768 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4769 G_STRUCT_OFFSET (EvViewClass, layers_changed),
4771 g_cclosure_marshal_VOID__VOID,
4775 binding_set = gtk_binding_set_by_class (class);
4777 add_scroll_binding_keypad (binding_set, GDK_KEY_Left, 0, GTK_SCROLL_STEP_BACKWARD, TRUE);
4778 add_scroll_binding_keypad (binding_set, GDK_KEY_Right, 0, GTK_SCROLL_STEP_FORWARD, TRUE);
4779 add_scroll_binding_keypad (binding_set, GDK_KEY_Left, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, TRUE);
4780 add_scroll_binding_keypad (binding_set, GDK_KEY_Right, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, TRUE);
4781 add_scroll_binding_keypad (binding_set, GDK_KEY_Up, 0, GTK_SCROLL_STEP_BACKWARD, FALSE);
4782 add_scroll_binding_keypad (binding_set, GDK_KEY_Down, 0, GTK_SCROLL_STEP_FORWARD, FALSE);
4783 add_scroll_binding_keypad (binding_set, GDK_KEY_Up, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, FALSE);
4784 add_scroll_binding_keypad (binding_set, GDK_KEY_Down, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, FALSE);
4785 gtk_binding_entry_add_signal (binding_set, GDK_KEY_H, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4786 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE);
4787 gtk_binding_entry_add_signal (binding_set, GDK_KEY_J, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4788 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE);
4789 gtk_binding_entry_add_signal (binding_set, GDK_KEY_K, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4790 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE);
4791 gtk_binding_entry_add_signal (binding_set, GDK_KEY_L, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4792 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE);
4797 ev_view_init (EvView *view)
4799 gtk_widget_set_can_focus (GTK_WIDGET (view), TRUE);
4801 view->start_page = -1;
4802 view->end_page = -1;
4805 view->current_page = 0;
4806 view->pressed_button = -1;
4807 view->cursor = EV_VIEW_CURSOR_NORMAL;
4808 view->drag_info.in_drag = FALSE;
4809 view->scroll_info.autoscrolling = FALSE;
4810 view->selection_info.selections = NULL;
4811 view->selection_info.in_selection = FALSE;
4812 view->selection_info.in_drag = FALSE;
4813 view->selection_mode = EV_VIEW_SELECTION_TEXT;
4814 view->continuous = TRUE;
4815 view->dual_page = FALSE;
4816 view->fullscreen = FALSE;
4817 view->sizing_mode = EV_SIZING_FIT_WIDTH;
4818 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4819 view->jump_to_find_result = TRUE;
4820 view->highlight_find_results = FALSE;
4822 gtk_layout_set_hadjustment (GTK_LAYOUT (view), NULL);
4823 gtk_layout_set_vadjustment (GTK_LAYOUT (view), NULL);
4829 ev_view_change_page (EvView *view,
4834 view->current_page = new_page;
4835 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4837 hide_loading_window (view);
4839 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4840 ev_view_handle_cursor_over_xy (view, x, y);
4842 gtk_widget_queue_resize (GTK_WIDGET (view));
4846 job_finished_cb (EvPixbufCache *pixbuf_cache,
4847 cairo_region_t *region,
4851 GdkWindow *bin_window;
4853 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
4854 #if GTK_CHECK_VERSION(2, 90, 5)
4855 gdk_window_invalidate_region (bin_window, region, TRUE);
4858 GdkRegion *gdk_region = gdk_region_new ();
4859 guint n_recs = cairo_region_num_rectangles (region);
4862 for (i = 0; i < n_recs; i++) {
4863 cairo_rectangle_int_t rect;
4865 cairo_region_get_rectangle (region, i, &rect);
4866 gdk_region_union_with_rect (gdk_region, (GdkRectangle *)&rect);
4868 gdk_window_invalidate_region (bin_window, gdk_region, TRUE);
4869 gdk_region_destroy (gdk_region);
4873 gtk_widget_queue_draw (GTK_WIDGET (view));
4878 ev_view_page_changed_cb (EvDocumentModel *model,
4883 if (!view->document)
4886 if (view->current_page != new_page) {
4887 ev_view_change_page (view, new_page);
4889 gtk_widget_queue_draw (GTK_WIDGET (view));
4892 view->find_result = 0;
4896 on_adjustment_value_changed (GtkAdjustment *adjustment,
4902 GList *children, *l;
4904 if (!gtk_widget_get_realized (GTK_WIDGET (view)))
4907 if (view->hadjustment) {
4908 value = (gint) gtk_adjustment_get_value (view->hadjustment);
4909 dx = view->scroll_x - value;
4910 view->scroll_x = value;
4915 if (view->vadjustment) {
4916 value = (gint) gtk_adjustment_get_value (view->vadjustment);
4917 dy = view->scroll_y - value;
4918 view->scroll_y = value;
4923 children = gtk_container_get_children (GTK_CONTAINER (view));
4924 for (l = children; l && l->data; l = g_list_next (l)) {
4925 gint child_x, child_y;
4926 GtkWidget *child = (GtkWidget *)l->data;
4928 gtk_container_child_get (GTK_CONTAINER (view),
4933 gtk_layout_move (GTK_LAYOUT (view), child, child_x + dx, child_y + dy);
4935 g_list_free (children);
4937 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
4938 EvViewWindowChild *child;
4940 child = (EvViewWindowChild *)l->data;
4942 ev_view_window_child_move (view, child, child->x + dx, child->y + dy);
4945 if (view->pending_resize) {
4946 gtk_widget_queue_draw (GTK_WIDGET (view));
4948 GdkWindow *bin_window;
4950 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
4951 gdk_window_scroll (bin_window, dx, dy);
4954 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4955 ev_view_handle_cursor_over_xy (view, x, y);
4958 view_update_range_and_current_page (view);
4966 view = g_object_new (EV_TYPE_VIEW, NULL);
4972 setup_caches (EvView *view)
4974 gboolean inverted_colors;
4976 view->height_to_page_cache = ev_view_get_height_to_page_cache (view);
4977 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->model, view->pixbuf_cache_size);
4978 view->page_cache = ev_page_cache_new (view->document);
4979 if (view->a11y_enabled) {
4980 EvJobPageDataFlags flags = ev_page_cache_get_flags (view->page_cache);
4982 ev_page_cache_set_flags (view->page_cache,
4984 EV_PAGE_DATA_INCLUDE_TEXT_LAYOUT |
4985 EV_PAGE_DATA_INCLUDE_TEXT);
4987 inverted_colors = ev_document_model_get_inverted_colors (view->model);
4988 ev_pixbuf_cache_set_inverted_colors (view->pixbuf_cache, inverted_colors);
4989 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
4993 clear_caches (EvView *view)
4995 if (view->pixbuf_cache) {
4996 g_object_unref (view->pixbuf_cache);
4997 view->pixbuf_cache = NULL;
5000 if (view->page_cache) {
5001 g_object_unref (view->page_cache);
5002 view->page_cache = NULL;
5007 * ev_view_set_page_cache_size:
5011 * Sets the maximum size in bytes that will be used to cache
5012 * rendered pages. Use 0 to disable caching rendered pages.
5014 * Note that this limit doesn't affect the current visible page range,
5015 * which will always be rendered. In order to limit the total memory used
5016 * you have to use ev_document_model_set_max_scale() too.
5020 ev_view_set_page_cache_size (EvView *view,
5023 if (view->pixbuf_cache_size == cache_size)
5026 view->pixbuf_cache_size = cache_size;
5027 if (view->pixbuf_cache)
5028 ev_pixbuf_cache_set_max_size (view->pixbuf_cache, cache_size);
5032 ev_view_set_loading (EvView *view,
5035 if (view->loading && !loading)
5036 hide_loading_window (view);
5037 view->loading = loading;
5038 gtk_widget_queue_draw (GTK_WIDGET (view));
5042 ev_view_autoscroll_cb (EvView *view)
5044 gdouble speed, value;
5046 /* If the user stops autoscrolling, autoscrolling will be
5047 * set to false but the timeout will continue; stop the timeout: */
5048 if (!view->scroll_info.autoscrolling) {
5049 view->scroll_info.timeout_id = 0;
5053 if (view->scroll_info.last_y > view->scroll_info.start_y &&
5054 (view->scroll_info.last_y < view->scroll_info.start_y))
5057 /* Replace 100 with your speed of choice: The lower the faster.
5058 * Replace 3 with another speed of choice: The higher, the faster it accelerated
5059 * based on the distance of the starting point from the mouse
5060 * (All also effected by the timeout interval of this callback) */
5062 if (view->scroll_info.start_y > view->scroll_info.last_y)
5063 speed = -pow ((((gdouble)view->scroll_info.start_y - view->scroll_info.last_y) / 100), 3);
5065 speed = pow ((((gdouble)view->scroll_info.last_y - view->scroll_info.start_y) / 100), 3);
5067 value = gtk_adjustment_get_value (view->vadjustment);
5068 value = CLAMP (value + speed, 0,
5069 gtk_adjustment_get_upper (view->vadjustment) -
5070 gtk_adjustment_get_page_size (view->vadjustment));
5071 gtk_adjustment_set_value (view->vadjustment, value);
5078 ev_view_autoscroll_start (EvView *view)
5082 g_return_if_fail (EV_IS_VIEW (view));
5084 if (view->scroll_info.autoscrolling)
5087 view->scroll_info.autoscrolling = TRUE;
5088 view->scroll_info.timeout_id =
5089 g_timeout_add (20, (GSourceFunc)ev_view_autoscroll_cb,
5092 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
5093 ev_view_handle_cursor_over_xy (view, x, y);
5097 ev_view_autoscroll_stop (EvView *view)
5101 g_return_if_fail (EV_IS_VIEW (view));
5103 if (!view->scroll_info.autoscrolling)
5106 view->scroll_info.autoscrolling = FALSE;
5107 if (view->scroll_info.timeout_id) {
5108 g_source_remove (view->scroll_info.timeout_id);
5109 view->scroll_info.timeout_id = 0;
5112 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
5113 ev_view_handle_cursor_over_xy (view, x, y);
5117 ev_view_document_changed_cb (EvDocumentModel *model,
5121 EvDocument *document = ev_document_model_get_document (model);
5123 if (document != view->document) {
5126 clear_caches (view);
5128 if (view->document) {
5129 g_object_unref (view->document);
5132 view->document = document;
5133 view->find_result = 0;
5135 if (view->document) {
5136 view->loading = FALSE;
5137 g_object_ref (view->document);
5138 setup_caches (view);
5141 current_page = ev_document_model_get_page (model);
5142 if (view->current_page != current_page) {
5143 ev_view_change_page (view, current_page);
5145 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
5146 gtk_widget_queue_resize (GTK_WIDGET (view));
5152 ev_view_rotation_changed_cb (EvDocumentModel *model,
5156 gint rotation = ev_document_model_get_rotation (model);
5158 view->rotation = rotation;
5160 if (view->pixbuf_cache) {
5161 ev_pixbuf_cache_clear (view->pixbuf_cache);
5162 if (!ev_document_is_page_size_uniform (view->document))
5163 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5164 gtk_widget_queue_resize (GTK_WIDGET (view));
5167 ev_view_remove_all (view);
5170 clear_selection (view);
5174 ev_view_inverted_colors_changed_cb (EvDocumentModel *model,
5178 if (view->pixbuf_cache) {
5179 gboolean inverted_colors;
5181 inverted_colors = ev_document_model_get_inverted_colors (model);
5182 ev_pixbuf_cache_set_inverted_colors (view->pixbuf_cache, inverted_colors);
5183 gtk_widget_queue_draw (GTK_WIDGET (view));
5188 ev_view_sizing_mode_changed_cb (EvDocumentModel *model,
5192 EvSizingMode mode = ev_document_model_get_sizing_mode (model);
5194 view->sizing_mode = mode;
5195 if (mode != EV_SIZING_FREE)
5196 gtk_widget_queue_resize (GTK_WIDGET (view));
5199 #define EPSILON 0.0000001
5201 ev_view_scale_changed_cb (EvDocumentModel *model,
5205 gdouble scale = ev_document_model_get_scale (model);
5207 if (ABS (view->scale - scale) < EPSILON)
5210 view->scale = scale;
5212 view->pending_resize = TRUE;
5213 if (view->sizing_mode == EV_SIZING_FREE)
5214 gtk_widget_queue_resize (GTK_WIDGET (view));
5218 ev_view_continuous_changed_cb (EvDocumentModel *model,
5222 gboolean continuous = ev_document_model_get_continuous (model);
5224 view->continuous = continuous;
5225 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5226 gtk_widget_queue_resize (GTK_WIDGET (view));
5230 ev_view_dual_page_changed_cb (EvDocumentModel *model,
5234 gboolean dual_page = ev_document_model_get_dual_page (model);
5236 view->dual_page = dual_page;
5237 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5238 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
5239 * preload_cache_size to be 2 if dual_page is set.
5241 gtk_widget_queue_resize (GTK_WIDGET (view));
5245 ev_view_fullscreen_changed_cb (EvDocumentModel *model,
5249 gboolean fullscreen = ev_document_model_get_fullscreen (model);
5251 view->fullscreen = fullscreen;
5252 gtk_widget_queue_resize (GTK_WIDGET (view));
5256 ev_view_set_model (EvView *view,
5257 EvDocumentModel *model)
5259 g_return_if_fail (EV_IS_VIEW (view));
5260 g_return_if_fail (EV_IS_DOCUMENT_MODEL (model));
5262 if (model == view->model)
5266 g_signal_handlers_disconnect_by_func (view->model,
5267 ev_view_document_changed_cb,
5269 g_signal_handlers_disconnect_by_func (view->model,
5270 ev_view_page_changed_cb,
5272 g_object_unref (view->model);
5274 view->model = g_object_ref (model);
5276 /* Initialize view from model */
5277 view->rotation = ev_document_model_get_rotation (view->model);
5278 view->sizing_mode = ev_document_model_get_sizing_mode (view->model);
5279 view->scale = ev_document_model_get_scale (view->model);
5280 view->continuous = ev_document_model_get_continuous (view->model);
5281 view->dual_page = ev_document_model_get_dual_page (view->model);
5282 view->fullscreen = ev_document_model_get_fullscreen (view->model);
5283 ev_view_document_changed_cb (view->model, NULL, view);
5285 g_signal_connect (view->model, "notify::document",
5286 G_CALLBACK (ev_view_document_changed_cb),
5288 g_signal_connect (view->model, "notify::rotation",
5289 G_CALLBACK (ev_view_rotation_changed_cb),
5291 g_signal_connect (view->model, "notify::inverted-colors",
5292 G_CALLBACK (ev_view_inverted_colors_changed_cb),
5294 g_signal_connect (view->model, "notify::sizing-mode",
5295 G_CALLBACK (ev_view_sizing_mode_changed_cb),
5297 g_signal_connect (view->model, "notify::scale",
5298 G_CALLBACK (ev_view_scale_changed_cb),
5300 g_signal_connect (view->model, "notify::continuous",
5301 G_CALLBACK (ev_view_continuous_changed_cb),
5303 g_signal_connect (view->model, "notify::dual-page",
5304 G_CALLBACK (ev_view_dual_page_changed_cb),
5306 g_signal_connect (view->model, "notify::fullscreen",
5307 G_CALLBACK (ev_view_fullscreen_changed_cb),
5309 g_signal_connect (view->model, "page-changed",
5310 G_CALLBACK (ev_view_page_changed_cb),
5315 ev_view_reload_page (EvView *view,
5317 cairo_region_t *region)
5319 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
5327 ev_view_reload (EvView *view)
5329 ev_pixbuf_cache_clear (view->pixbuf_cache);
5330 view_update_range_and_current_page (view);
5333 /*** Zoom and sizing mode ***/
5336 ev_view_can_zoom_in (EvView *view)
5338 return view->scale * ZOOM_IN_FACTOR <= ev_document_model_get_max_scale (view->model);
5342 ev_view_can_zoom_out (EvView *view)
5344 return view->scale * ZOOM_OUT_FACTOR >= ev_document_model_get_min_scale (view->model);
5348 ev_view_zoom_in (EvView *view)
5352 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5354 view->pending_scroll = SCROLL_TO_CENTER;
5355 scale = ev_document_model_get_scale (view->model) * ZOOM_IN_FACTOR;
5356 ev_document_model_set_scale (view->model, scale);
5360 ev_view_zoom_out (EvView *view)
5364 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5366 view->pending_scroll = SCROLL_TO_CENTER;
5367 scale = ev_document_model_get_scale (view->model) * ZOOM_OUT_FACTOR;
5368 ev_document_model_set_scale (view->model, scale);
5372 zoom_for_size_fit_width (gdouble doc_width,
5377 return (double)target_width / doc_width;
5381 zoom_for_size_fit_height (gdouble doc_width,
5386 return (double)target_height / doc_height;
5390 zoom_for_size_best_fit (gdouble doc_width,
5398 w_scale = (double)target_width / doc_width;
5399 h_scale = (double)target_height / doc_height;
5401 return MIN (w_scale, h_scale);
5405 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
5409 gdouble doc_width, doc_height;
5414 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5415 if (view->rotation == 90 || view->rotation == 270) {
5419 doc_width = doc_height;
5423 compute_border (view, doc_width, doc_height, &border);
5426 width -= (2 * (border.left + border.right) + 3 * view->spacing);
5427 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5429 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5431 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5432 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5433 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5434 scale = zoom_for_size_best_fit (doc_width, doc_height, width - sb_size, height);
5436 g_assert_not_reached ();
5438 ev_document_model_set_scale (view->model, scale);
5442 ev_view_zoom_for_size_continuous (EvView *view,
5446 gdouble doc_width, doc_height;
5451 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5452 if (view->rotation == 90 || view->rotation == 270) {
5456 doc_width = doc_height;
5460 compute_border (view, doc_width, doc_height, &border);
5462 width -= (border.left + border.right + 2 * view->spacing);
5463 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5465 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5467 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5468 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5469 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5470 scale = zoom_for_size_best_fit (doc_width, doc_height, width - sb_size, height);
5472 g_assert_not_reached ();
5474 ev_document_model_set_scale (view->model, scale);
5478 ev_view_zoom_for_size_dual_page (EvView *view,
5483 gdouble doc_width, doc_height;
5487 other_page = view->current_page ^ 1;
5489 /* Find the largest of the two. */
5490 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5491 if (other_page < ev_document_get_n_pages (view->document)) {
5492 gdouble width_2, height_2;
5494 get_doc_page_size (view, other_page, &width_2, &height_2);
5495 if (width_2 > doc_width)
5496 doc_width = width_2;
5497 if (height_2 > doc_height)
5498 doc_height = height_2;
5500 compute_border (view, width, height, &border);
5502 doc_width = doc_width * 2;
5503 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
5504 height -= (border.top + border.bottom + 2 * view->spacing);
5506 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5509 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5510 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5511 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5512 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5514 g_assert_not_reached ();
5516 ev_document_model_set_scale (view->model, scale);
5520 ev_view_zoom_for_size_single_page (EvView *view,
5524 gdouble doc_width, doc_height;
5528 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5530 /* Get an approximate border */
5531 compute_border (view, width, height, &border);
5533 width -= (border.left + border.right + 2 * view->spacing);
5534 height -= (border.top + border.bottom + 2 * view->spacing);
5536 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5539 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5540 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5541 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5542 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5544 g_assert_not_reached ();
5546 ev_document_model_set_scale (view->model, scale);
5550 ev_view_zoom_for_size (EvView *view,
5554 g_return_if_fail (EV_IS_VIEW (view));
5555 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
5556 view->sizing_mode == EV_SIZING_BEST_FIT);
5557 g_return_if_fail (width >= 0);
5558 g_return_if_fail (height >= 0);
5560 if (view->document == NULL)
5563 if (view->continuous && view->dual_page)
5564 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height);
5565 else if (view->continuous)
5566 ev_view_zoom_for_size_continuous (view, width, height);
5567 else if (view->dual_page)
5568 ev_view_zoom_for_size_dual_page (view, width, height);
5570 ev_view_zoom_for_size_single_page (view, width, height);
5575 ev_view_find_get_n_results (EvView *view, gint page)
5577 return view->find_pages ? g_list_length (view->find_pages[page]) : 0;
5580 static EvRectangle *
5581 ev_view_find_get_result (EvView *view, gint page, gint result)
5583 return view->find_pages ? (EvRectangle *) g_list_nth_data (view->find_pages[page], result) : NULL;
5587 jump_to_find_result (EvView *view)
5590 gint page = view->current_page;
5592 n_results = ev_view_find_get_n_results (view, page);
5594 if (n_results > 0 && view->find_result < n_results) {
5596 GdkRectangle view_rect;
5598 rect = ev_view_find_get_result (view, page, view->find_result);
5599 doc_rect_to_view_rect (view, page, rect, &view_rect);
5600 ensure_rectangle_is_visible (view, &view_rect);
5601 view->jump_to_find_result = FALSE;
5607 * @view: #EvView instance
5608 * @direction: Direction to look
5609 * @shift: Shift from current page
5611 * Jumps to the first page that has occurences of searched word.
5612 * Uses a direction where to look and a shift from current page.
5616 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
5620 n_pages = ev_document_get_n_pages (view->document);
5622 for (i = 0; i < n_pages; i++) {
5625 if (direction == EV_VIEW_FIND_NEXT)
5626 page = view->current_page + i;
5628 page = view->current_page - i;
5631 if (page >= n_pages) {
5632 page = page - n_pages;
5633 } else if (page < 0)
5634 page = page + n_pages;
5636 if (ev_view_find_get_n_results (view, page) > 0) {
5637 ev_document_model_set_page (view->model, page);
5644 ev_view_find_changed (EvView *view, GList **results, gint page)
5646 view->find_pages = results;
5648 if (view->jump_to_find_result == TRUE) {
5649 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
5650 jump_to_find_result (view);
5653 if (view->current_page == page)
5654 gtk_widget_queue_draw (GTK_WIDGET (view));
5658 ev_view_find_next (EvView *view)
5662 n_results = ev_view_find_get_n_results (view, view->current_page);
5663 view->find_result++;
5665 if (view->find_result >= n_results) {
5666 view->find_result = 0;
5667 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
5668 jump_to_find_result (view);
5670 jump_to_find_result (view);
5671 gtk_widget_queue_draw (GTK_WIDGET (view));
5676 ev_view_find_previous (EvView *view)
5678 view->find_result--;
5680 if (view->find_result < 0) {
5681 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
5682 view->find_result = MAX (0, ev_view_find_get_n_results (view, view->current_page) - 1);
5683 jump_to_find_result (view);
5685 jump_to_find_result (view);
5686 gtk_widget_queue_draw (GTK_WIDGET (view));
5691 ev_view_find_search_changed (EvView *view)
5693 /* search string has changed, focus on new search result */
5694 view->jump_to_find_result = TRUE;
5695 view->find_pages = NULL;
5699 ev_view_find_set_highlight_search (EvView *view, gboolean value)
5701 view->highlight_find_results = value;
5702 gtk_widget_queue_draw (GTK_WIDGET (view));
5706 ev_view_find_cancel (EvView *view)
5708 view->find_pages = NULL;
5713 ev_view_highlight_forward_search (EvView *view,
5718 GdkRectangle view_rect;
5720 if (!ev_document_has_synctex (view->document))
5723 mapping = ev_document_synctex_forward_search (view->document, link);
5727 if (view->synctex_result)
5728 g_free (view->synctex_result);
5729 view->synctex_result = mapping;
5731 page = GPOINTER_TO_INT (mapping->data);
5732 ev_document_model_set_page (view->model, page);
5734 doc_rect_to_view_rect (view, page, &mapping->area, &view_rect);
5735 ensure_rectangle_is_visible (view, &view_rect);
5736 gtk_widget_queue_draw (GTK_WIDGET (view));
5739 /*** Selections ***/
5741 /* compute_new_selection_rect/text calculates the area currently selected by
5742 * view_rect. each handles a different mode;
5745 compute_new_selection_rect (EvView *view,
5749 GdkRectangle view_rect;
5753 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
5755 view_rect.x = MIN (start->x, stop->x);
5756 view_rect.y = MIN (start->y, stop->y);
5757 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
5758 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
5760 n_pages = ev_document_get_n_pages (view->document);
5762 for (i = 0; i < n_pages; i++) {
5763 GdkRectangle page_area;
5766 if (ev_view_get_page_extents (view, i, &page_area, &border)) {
5767 GdkRectangle overlap;
5769 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
5770 EvViewSelection *selection;
5772 selection = g_new0 (EvViewSelection, 1);
5773 selection->page = i;
5774 view_rect_to_doc_rect (view, &overlap, &page_area,
5775 &(selection->rect));
5777 list = g_list_append (list, selection);
5786 gdk_rectangle_point_in (GdkRectangle *rectangle,
5789 return rectangle->x <= point->x &&
5790 rectangle->y <= point->y &&
5791 point->x < rectangle->x + rectangle->width &&
5792 point->y < rectangle->y + rectangle->height;
5796 compute_new_selection_text (EvView *view,
5797 EvSelectionStyle style,
5801 int n_pages, i, first, last;
5803 EvViewSelection *selection;
5804 gdouble width, height;
5805 int start_page, end_page;
5807 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
5809 n_pages = ev_document_get_n_pages (view->document);
5811 /* First figure out the range of pages the selection
5815 if (view->continuous) {
5818 } else if (view->dual_page) {
5819 start_page = view->start_page;
5820 end_page = view->end_page + 1;
5822 start_page = view->current_page;
5823 end_page = view->current_page + 1;
5826 for (i = start_page; i < end_page; i++) {
5827 GdkRectangle page_area;
5830 ev_view_get_page_extents (view, i, &page_area, &border);
5831 if (gdk_rectangle_point_in (&page_area, start) ||
5832 gdk_rectangle_point_in (&page_area, stop)) {
5833 if (first == n_pages)
5840 /* Now create a list of EvViewSelection's for the affected
5841 * pages. This could be an empty list, a list of just one
5842 * page or a number of pages.*/
5843 for (i = first; i < last + 1; i++) {
5844 GdkRectangle page_area;
5848 get_doc_page_size (view, i, &width, &height);
5850 selection = g_new0 (EvViewSelection, 1);
5851 selection->page = i;
5852 selection->style = style;
5853 selection->rect.x1 = selection->rect.y1 = 0;
5854 selection->rect.x2 = width;
5855 selection->rect.y2 = height;
5857 ev_view_get_page_extents (view, i, &page_area, &border);
5859 if (gdk_rectangle_point_in (&page_area, start))
5865 view_point_to_doc_point (view, point, &page_area,
5866 &selection->rect.x1,
5867 &selection->rect.y1);
5869 /* If the selection is contained within just one page,
5870 * make sure we don't write 'start' into both points
5871 * in selection->rect. */
5876 view_point_to_doc_point (view, point, &page_area,
5877 &selection->rect.x2,
5878 &selection->rect.y2);
5880 list = g_list_append (list, selection);
5886 /* This function takes the newly calculated list, and figures out which regions
5887 * have changed. It then queues a redraw approporiately.
5890 merge_selection_region (EvView *view,
5894 GList *new_list_ptr, *old_list_ptr;
5896 /* Update the selection */
5897 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
5898 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5899 g_list_free (view->selection_info.selections);
5900 view->selection_info.selections = new_list;
5901 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
5902 g_signal_emit (view, signals[SIGNAL_SELECTION_CHANGED], 0, NULL);
5904 new_list_ptr = new_list;
5905 old_list_ptr = old_list;
5907 while (new_list_ptr || old_list_ptr) {
5908 EvViewSelection *old_sel, *new_sel;
5910 cairo_region_t *region = NULL;
5912 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
5913 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
5915 /* Assume that the lists are in order, and we run through them
5916 * comparing them, one page at a time. We come out with the
5917 * first page we see. */
5918 if (new_sel && old_sel) {
5919 if (new_sel->page < old_sel->page) {
5920 new_list_ptr = new_list_ptr->next;
5922 } else if (new_sel->page > old_sel->page) {
5923 old_list_ptr = old_list_ptr->next;
5926 new_list_ptr = new_list_ptr->next;
5927 old_list_ptr = old_list_ptr->next;
5929 } else if (new_sel) {
5930 new_list_ptr = new_list_ptr->next;
5931 } else if (old_sel) {
5932 old_list_ptr = old_list_ptr->next;
5935 g_assert (new_sel || old_sel);
5937 /* is the page we're looking at on the screen?*/
5938 cur_page = new_sel ? new_sel->page : old_sel->page;
5939 if (cur_page < view->start_page || cur_page > view->end_page)
5942 /* seed the cache with a new page. We are going to need the new
5945 cairo_region_t *tmp_region = NULL;
5947 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
5952 if (tmp_region && !cairo_region_is_empty (tmp_region)) {
5953 new_sel->covered_region = cairo_region_reference (tmp_region);
5957 /* Now we figure out what needs redrawing */
5958 if (old_sel && new_sel) {
5959 if (old_sel->covered_region && new_sel->covered_region) {
5960 /* We only want to redraw the areas that have
5961 * changed, so we xor the old and new regions
5962 * and redraw if it's different */
5963 region = cairo_region_copy (old_sel->covered_region);
5964 #if CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1, 9, 12)
5965 cairo_region_xor (region, new_sel->covered_region);
5967 cairo_region_t *tbr;
5968 tbr = cairo_region_copy (new_sel->covered_region);
5970 /* xor old_sel, new_sel*/
5971 cairo_region_subtract (tbr, region);
5972 cairo_region_subtract (region, new_sel->covered_region);
5973 cairo_region_union (region, tbr);
5974 cairo_region_destroy (tbr);
5977 if (cairo_region_is_empty (region)) {
5978 cairo_region_destroy (region);
5981 gint num_rectangles = cairo_region_num_rectangles (region);
5984 /* We need to make the damage region a little bigger
5985 * because the edges of the old selection might change
5987 cairo_region_get_rectangle (region, 0, &r);
5990 cairo_region_union_rectangle (region, &r);
5992 cairo_region_get_rectangle (region, num_rectangles - 1, &r);
5995 cairo_region_union_rectangle (region, &r);
5997 } else if (old_sel->covered_region) {
5998 region = cairo_region_copy (old_sel->covered_region);
5999 } else if (new_sel->covered_region) {
6000 region = cairo_region_copy (new_sel->covered_region);
6002 } else if (old_sel && !new_sel) {
6003 if (old_sel->covered_region && !cairo_region_is_empty (old_sel->covered_region)) {
6004 region = cairo_region_copy (old_sel->covered_region);
6006 } else if (!old_sel && new_sel) {
6007 if (new_sel->covered_region && !cairo_region_is_empty (new_sel->covered_region)) {
6008 region = cairo_region_copy (new_sel->covered_region);
6011 g_assert_not_reached ();
6014 /* Redraw the damaged region! */
6016 GdkWindow *bin_window;
6017 GdkRectangle page_area;
6020 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
6021 ev_view_get_page_extents (view, cur_page, &page_area, &border);
6022 cairo_region_translate (region,
6023 page_area.x + border.left - view->scroll_x,
6024 page_area.y + border.top - view->scroll_y);
6025 #if GTK_CHECK_VERSION(2, 90, 5)
6026 gdk_window_invalidate_region (bin_window, region, TRUE);
6029 GdkRegion *gdk_region = gdk_region_new ();
6030 guint n_recs = cairo_region_num_rectangles (region);
6033 for (i = 0; i < n_recs; i++) {
6034 cairo_rectangle_int_t rect;
6036 cairo_region_get_rectangle (region, i, &rect);
6037 gdk_region_union_with_rect (gdk_region, (GdkRectangle *)&rect);
6039 gdk_window_invalidate_region (bin_window, gdk_region, TRUE);
6040 gdk_region_destroy (gdk_region);
6043 cairo_region_destroy (region);
6047 /* Free the old list, now that we're done with it. */
6048 g_list_foreach (old_list, (GFunc) selection_free, NULL);
6049 g_list_free (old_list);
6053 compute_selections (EvView *view,
6054 EvSelectionStyle style,
6060 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
6061 list = compute_new_selection_rect (view, start, stop);
6063 list = compute_new_selection_text (view, style, start, stop);
6064 merge_selection_region (view, list);
6067 /* Free's the selection. It's up to the caller to queue redraws if needed.
6070 selection_free (EvViewSelection *selection)
6072 if (selection->covered_region)
6073 cairo_region_destroy (selection->covered_region);
6078 clear_selection (EvView *view)
6080 if (view->selection_info.selections) {
6081 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
6082 g_list_free (view->selection_info.selections);
6083 view->selection_info.selections = NULL;
6085 g_signal_emit (view, signals[SIGNAL_SELECTION_CHANGED], 0, NULL);
6087 view->selection_info.in_selection = FALSE;
6088 if (view->pixbuf_cache)
6089 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
6093 ev_view_select_all (EvView *view)
6095 GList *selections = NULL;
6098 /* Disable selection on rotated pages for the 0.4.0 series */
6099 if (view->rotation != 0)
6102 clear_selection (view);
6104 n_pages = ev_document_get_n_pages (view->document);
6105 for (i = 0; i < n_pages; i++) {
6106 gdouble width, height;
6107 EvViewSelection *selection;
6109 get_doc_page_size (view, i, &width, &height);
6111 selection = g_new0 (EvViewSelection, 1);
6112 selection->page = i;
6113 selection->style = EV_SELECTION_STYLE_GLYPH;
6114 selection->rect.x1 = selection->rect.y1 = 0;
6115 selection->rect.x2 = width;
6116 selection->rect.y2 = height;
6118 selections = g_list_append (selections, selection);
6121 merge_selection_region (view, selections);
6122 gtk_widget_queue_draw (GTK_WIDGET (view));
6126 ev_view_get_has_selection (EvView *view)
6128 return view->selection_info.selections != NULL;
6132 get_selected_text (EvView *view)
6136 gchar *normalized_text;
6138 text = g_string_new (NULL);
6140 ev_document_doc_mutex_lock ();
6142 for (l = view->selection_info.selections; l != NULL; l = l->next) {
6143 EvViewSelection *selection = (EvViewSelection *)l->data;
6147 page = ev_document_get_page (view->document, selection->page);
6148 tmp = ev_selection_get_selected_text (EV_SELECTION (view->document),
6149 page, selection->style,
6150 &(selection->rect));
6151 g_object_unref (page);
6152 g_string_append (text, tmp);
6156 ev_document_doc_mutex_unlock ();
6158 normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC);
6159 g_string_free (text, TRUE);
6160 return normalized_text;
6164 ev_view_clipboard_copy (EvView *view,
6167 GtkClipboard *clipboard;
6169 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
6170 GDK_SELECTION_CLIPBOARD);
6171 gtk_clipboard_set_text (clipboard, text, -1);
6175 ev_view_copy (EvView *ev_view)
6179 if (!EV_IS_SELECTION (ev_view->document))
6182 text = get_selected_text (ev_view);
6183 ev_view_clipboard_copy (ev_view, text);
6188 ev_view_primary_get_cb (GtkClipboard *clipboard,
6189 GtkSelectionData *selection_data,
6193 EvView *ev_view = EV_VIEW (data);
6195 if (ev_view->link_selected) {
6196 gtk_selection_data_set_text (selection_data,
6197 ev_link_action_get_uri (ev_view->link_selected),
6199 } else if (EV_IS_SELECTION (ev_view->document) &&
6200 ev_view->selection_info.selections) {
6203 text = get_selected_text (ev_view);
6205 gtk_selection_data_set_text (selection_data, text, -1);
6212 ev_view_primary_clear_cb (GtkClipboard *clipboard,
6215 EvView *view = EV_VIEW (data);
6217 clear_selection (view);
6218 clear_link_selected (view);
6222 ev_view_update_primary_selection (EvView *ev_view)
6224 GtkClipboard *clipboard;
6226 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
6227 GDK_SELECTION_PRIMARY);
6229 if (ev_view->selection_info.selections || ev_view->link_selected) {
6230 GtkTargetList *target_list;
6231 GtkTargetEntry *targets;
6234 target_list = gtk_target_list_new (NULL, 0);
6235 gtk_target_list_add_text_targets (target_list, 0);
6236 targets = gtk_target_table_new_from_list (target_list, &n_targets);
6237 gtk_target_list_unref (target_list);
6239 if (!gtk_clipboard_set_with_owner (clipboard,
6241 ev_view_primary_get_cb,
6242 ev_view_primary_clear_cb,
6243 G_OBJECT (ev_view)))
6244 ev_view_primary_clear_cb (clipboard, ev_view);
6246 gtk_target_table_free (targets, n_targets);
6248 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
6249 gtk_clipboard_clear (clipboard);
6254 clear_link_selected (EvView *view)
6256 if (view->link_selected) {
6257 g_object_unref (view->link_selected);
6258 view->link_selected = NULL;
6263 ev_view_copy_link_address (EvView *view,
6264 EvLinkAction *action)
6266 clear_link_selected (view);
6268 ev_view_clipboard_copy (view, ev_link_action_get_uri (action));
6270 view->link_selected = g_object_ref (action);
6271 ev_view_update_primary_selection (view);
6274 /*** Cursor operations ***/
6276 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
6278 GdkCursor *cursor = NULL;
6280 GdkWindow *bin_window;
6282 if (view->cursor == new_cursor) {
6286 view->cursor = new_cursor;
6288 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
6289 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
6290 cursor = ev_view_cursor_new (gtk_widget_get_display (widget), new_cursor);
6291 gdk_window_set_cursor (bin_window, cursor);
6294 gdk_cursor_unref (cursor);
6298 ev_view_hide_cursor (EvView *view)
6300 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
6304 ev_view_show_cursor (EvView *view)
6306 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
6310 ev_view_next_page (EvView *view)
6314 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
6316 if (!view->document)
6319 page = ev_document_model_get_page (view->model);
6320 n_pages = ev_document_get_n_pages (view->document);
6322 if (view->dual_page)
6327 if (page < n_pages) {
6328 ev_document_model_set_page (view->model, page);
6330 } else if (view->dual_page && page == n_pages) {
6331 ev_document_model_set_page (view->model, page - 1);
6339 ev_view_previous_page (EvView *view)
6343 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
6345 if (!view->document)
6348 page = ev_document_model_get_page (view->model);
6350 if (view->dual_page)
6356 ev_document_model_set_page (view->model, page);
6358 } else if (view->dual_page && page == -1) {
6359 ev_document_model_set_page (view->model, 0);