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))
53 SIGNAL_BINDING_ACTIVATED,
57 SIGNAL_SELECTION_CHANGED,
60 SIGNAL_LAYERS_CHANGED,
78 static guint signals[N_SIGNALS];
83 } EvViewFindDirection;
85 #define ZOOM_IN_FACTOR 1.2
86 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
88 #define SCROLL_TIME 150
91 static void view_update_range_and_current_page (EvView *view);
92 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
94 GdkModifierType modifiers,
97 static void ensure_rectangle_is_visible (EvView *view,
100 /*** Geometry computations ***/
101 static void compute_border (EvView *view,
105 static void get_page_y_offset (EvView *view,
108 static void view_rect_to_doc_rect (EvView *view,
109 GdkRectangle *view_rect,
110 GdkRectangle *page_area,
111 EvRectangle *doc_rect);
112 static void doc_rect_to_view_rect (EvView *view,
114 EvRectangle *doc_rect,
115 GdkRectangle *view_rect);
116 static gboolean get_dual_even_left (EvView *view);
117 static void find_page_at_location (EvView *view,
123 static void doc_point_to_view_point (EvView *view,
126 GdkPoint *view_point);
128 static EvLink * ev_view_get_link_at_location (EvView *view,
131 static char* tip_from_link (EvView *view,
134 static EvFormField *ev_view_get_form_field_at_location (EvView *view,
138 /*** Annotations ***/
139 static EvAnnotation *ev_view_get_annotation_at_location (EvView *view,
142 static void show_annotation_windows (EvView *view,
144 static void hide_annotation_windows (EvView *view,
146 /*** GtkWidget implementation ***/
147 static void ev_view_size_request_continuous_dual_page (EvView *view,
148 GtkRequisition *requisition);
149 static void ev_view_size_request_continuous (EvView *view,
150 GtkRequisition *requisition);
151 static void ev_view_size_request_dual_page (EvView *view,
152 GtkRequisition *requisition);
153 static void ev_view_size_request_single_page (EvView *view,
154 GtkRequisition *requisition);
155 static void ev_view_size_request (GtkWidget *widget,
156 GtkRequisition *requisition);
157 static void ev_view_size_allocate (GtkWidget *widget,
158 GtkAllocation *allocation);
159 static gboolean ev_view_scroll_event (GtkWidget *widget,
160 GdkEventScroll *event);
161 static gboolean ev_view_draw (GtkWidget *widget,
163 static gboolean ev_view_popup_menu (GtkWidget *widget);
164 static gboolean ev_view_button_press_event (GtkWidget *widget,
165 GdkEventButton *event);
166 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
167 GdkEventMotion *event);
168 static gboolean ev_view_button_release_event (GtkWidget *widget,
169 GdkEventButton *event);
170 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
171 GdkEventCrossing *event);
172 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
173 GdkEventCrossing *event);
174 static void ev_view_style_updated (GtkWidget *widget);
175 static void ev_view_remove_all (EvView *view);
177 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
180 static void highlight_find_results (EvView *view,
183 static void highlight_forward_search_results (EvView *view,
186 static void focus_annotation (EvView *view,
190 static void draw_one_page (EvView *view,
193 GdkRectangle *page_area,
195 GdkRectangle *expose_area,
196 gboolean *page_ready);
197 static void show_loading_window (EvView *view);
198 static void hide_loading_window (EvView *view);
199 static void ev_view_reload_page (EvView *view,
201 cairo_region_t *region);
202 static void ev_view_loading_window_move (EvView *view);
205 static void ev_view_change_page (EvView *view,
207 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
208 cairo_region_t *region,
210 static void ev_view_page_changed_cb (EvDocumentModel *model,
214 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
218 static void ev_view_finalize (GObject *object);
219 static void ev_view_dispose (GObject *object);
220 static void ev_view_class_init (EvViewClass *class);
221 static void ev_view_init (EvView *view);
223 /*** Zoom and sizing ***/
224 static double zoom_for_size_fit_width (gdouble doc_width,
228 static double zoom_for_size_fit_height (gdouble doc_width,
232 static double zoom_for_size_best_fit (gdouble doc_width,
236 static void ev_view_zoom_for_size (EvView *view,
239 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
242 static void ev_view_zoom_for_size_continuous (EvView *view,
245 static void ev_view_zoom_for_size_dual_page (EvView *view,
248 static void ev_view_zoom_for_size_single_page (EvView *view,
252 static void ev_view_set_cursor (EvView *view,
253 EvViewCursor new_cursor);
254 static void ev_view_handle_cursor_over_xy (EvView *view,
259 static gint ev_view_find_get_n_results (EvView *view,
261 static EvRectangle *ev_view_find_get_result (EvView *view,
264 static void jump_to_find_result (EvView *view);
265 static void jump_to_find_page (EvView *view,
266 EvViewFindDirection direction,
269 static void compute_selections (EvView *view,
270 EvSelectionStyle style,
273 static void clear_selection (EvView *view);
274 static void clear_link_selected (EvView *view);
275 static void selection_free (EvViewSelection *selection);
276 static char* get_selected_text (EvView *ev_view);
277 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
278 GtkSelectionData *selection_data,
281 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
283 static void ev_view_update_primary_selection (EvView *ev_view);
285 G_DEFINE_TYPE_WITH_CODE (EvView, ev_view, GTK_TYPE_FIXED,
286 G_IMPLEMENT_INTERFACE (GTK_TYPE_SCROLLABLE, NULL))
288 /* HeightToPage cache */
289 #define EV_HEIGHT_TO_PAGE_CACHE_KEY "ev-height-to-page-cache"
292 build_height_to_page (EvHeightToPageCache *cache,
293 EvDocument *document,
296 gboolean swap, uniform, dual_even_left;
298 double uniform_height, page_height, next_page_height;
300 gdouble u_width, u_height;
303 swap = (rotation == 90 || rotation == 270);
305 uniform = ev_document_is_page_size_uniform (document);
306 n_pages = ev_document_get_n_pages (document);
307 dual_even_left = (n_pages > 2);
309 g_free (cache->height_to_page);
310 g_free (cache->dual_height_to_page);
312 cache->rotation = rotation;
313 cache->height_to_page = g_new0 (gdouble, n_pages + 1);
314 cache->dual_height_to_page = g_new0 (gdouble, n_pages + 2);
317 ev_document_get_page_size (document, 0, &u_width, &u_height);
320 for (i = 0; i <= n_pages; i++) {
322 uniform_height = swap ? u_width : u_height;
323 cache->height_to_page[i] = i * uniform_height;
328 ev_document_get_page_size (document, i, &w, &h);
329 page_height = swap ? w : h;
333 cache->height_to_page[i] = saved_height;
334 saved_height += page_height;
338 if (dual_even_left && !uniform) {
341 ev_document_get_page_size (document, 0, &w, &h);
342 saved_height = swap ? w : h;
347 for (i = dual_even_left; i < n_pages + 2; i += 2) {
349 uniform_height = swap ? u_width : u_height;
350 cache->dual_height_to_page[i] = ((i + dual_even_left) / 2) * uniform_height;
351 if (i + 1 < n_pages + 2)
352 cache->dual_height_to_page[i + 1] = ((i + dual_even_left) / 2) * uniform_height;
354 if (i + 1 < n_pages) {
357 ev_document_get_page_size (document, i + 1, &w, &h);
358 next_page_height = swap ? w : h;
360 next_page_height = 0;
366 ev_document_get_page_size (document, i, &w, &h);
367 page_height = swap ? w : h;
372 if (i + 1 < n_pages + 2) {
373 cache->dual_height_to_page[i] = saved_height;
374 cache->dual_height_to_page[i + 1] = saved_height;
375 saved_height += MAX(page_height, next_page_height);
377 cache->dual_height_to_page[i] = saved_height;
384 ev_height_to_page_cache_get_height (EvHeightToPageCache *cache,
385 EvDocument *document,
389 gdouble *dual_height)
391 if (cache->rotation != rotation)
392 build_height_to_page (cache, document, rotation);
394 *height = cache->height_to_page[page];
395 *dual_height = cache->dual_height_to_page[page];
399 ev_height_to_page_cache_free (EvHeightToPageCache *cache)
401 if (cache->height_to_page) {
402 g_free (cache->height_to_page);
403 cache->height_to_page = NULL;
406 if (cache->dual_height_to_page) {
407 g_free (cache->dual_height_to_page);
408 cache->dual_height_to_page = NULL;
413 static EvHeightToPageCache *
414 ev_view_get_height_to_page_cache (EvView *view)
416 EvHeightToPageCache *cache;
421 cache = g_object_get_data (G_OBJECT (view->document), EV_HEIGHT_TO_PAGE_CACHE_KEY);
423 cache = g_new0 (EvHeightToPageCache, 1);
424 build_height_to_page (cache, view->document, view->rotation);
425 g_object_set_data_full (G_OBJECT (view->document),
426 EV_HEIGHT_TO_PAGE_CACHE_KEY,
428 (GDestroyNotify)ev_height_to_page_cache_free);
435 ev_view_get_height_to_page (EvView *view,
442 if (!view->height_to_page_cache)
445 ev_height_to_page_cache_get_height (view->height_to_page_cache,
451 *height = (gint)(h * view->scale + 0.5);
454 *dual_height = (gint)(dh * view->scale + 0.5);
458 ev_view_get_scrollbar_size (EvView *view,
459 GtkOrientation orientation)
461 GtkWidget *widget = GTK_WIDGET (view);
463 GtkWidget *swindow = gtk_widget_get_parent (GTK_WIDGET (view));
464 GtkAllocation allocation;
468 if (!GTK_IS_SCROLLED_WINDOW (swindow))
471 gtk_widget_get_allocation (widget, &allocation);
473 if (orientation == GTK_ORIENTATION_VERTICAL) {
474 if (allocation.height >= view->requisition.height)
475 sb = gtk_scrolled_window_get_vscrollbar (GTK_SCROLLED_WINDOW (swindow));
479 if (allocation.width >= view->requisition.width)
480 sb = gtk_scrolled_window_get_hscrollbar (GTK_SCROLLED_WINDOW (swindow));
485 gtk_widget_style_get (swindow, "scrollbar_spacing", &spacing, NULL);
486 gtk_widget_get_preferred_size (sb, &req, NULL);
488 return (orientation == GTK_ORIENTATION_VERTICAL ? req.width : req.height) + spacing;
492 scroll_to_point (EvView *view,
495 GtkOrientation orientation)
498 gdouble upper, lower;
500 if (orientation == GTK_ORIENTATION_VERTICAL) {
501 page_size = gtk_adjustment_get_page_size (view->vadjustment);
502 upper = gtk_adjustment_get_upper (view->vadjustment);
503 lower = gtk_adjustment_get_lower (view->vadjustment);
505 if (view->continuous) {
506 gtk_adjustment_clamp_page (view->vadjustment,
507 y - view->spacing / 2,
510 gtk_adjustment_set_value (view->vadjustment,
511 CLAMP (y, lower, upper - page_size));
514 page_size = gtk_adjustment_get_page_size (view->hadjustment);
515 upper = gtk_adjustment_get_upper (view->hadjustment);
516 lower = gtk_adjustment_get_lower (view->hadjustment);
518 if (view->dual_page) {
519 gtk_adjustment_clamp_page (view->hadjustment, x,
522 gtk_adjustment_set_value (view->hadjustment,
523 CLAMP (x, lower, upper - page_size));
529 ev_view_scroll_to_page_position (EvView *view, GtkOrientation orientation)
536 if ((orientation == GTK_ORIENTATION_VERTICAL && view->pending_point.y == 0) ||
537 (orientation == GTK_ORIENTATION_HORIZONTAL && view->pending_point.x == 0)) {
538 GdkRectangle page_area;
541 ev_view_get_page_extents (view, view->current_page, &page_area, &border);
547 doc_point_to_view_point (view, view->current_page,
548 &view->pending_point, &view_point);
553 scroll_to_point (view, x, y, orientation);
557 ev_view_set_adjustment_values (EvView *view,
558 GtkOrientation orientation)
560 GtkWidget *widget = GTK_WIDGET (view);
561 GtkAdjustment *adjustment;
562 GtkAllocation allocation;
571 gtk_widget_get_allocation (widget, &allocation);
573 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
574 req_size = view->requisition.width;
575 alloc_size = allocation.width;
576 adjustment = view->hadjustment;
578 req_size = view->requisition.height;
579 alloc_size = allocation.height;
580 adjustment = view->vadjustment;
587 value = gtk_adjustment_get_value (adjustment);
588 upper = gtk_adjustment_get_upper (adjustment);
589 page_size = gtk_adjustment_get_page_size (adjustment);
591 switch (view->pending_scroll) {
592 case SCROLL_TO_KEEP_POSITION:
593 case SCROLL_TO_FIND_LOCATION:
594 factor = value / upper;
596 case SCROLL_TO_PAGE_POSITION:
598 case SCROLL_TO_CENTER:
599 factor = (value + page_size * 0.5) / upper;
603 upper = MAX (alloc_size, req_size);
604 page_size = alloc_size;
606 gtk_adjustment_set_page_size (adjustment, page_size);
607 gtk_adjustment_set_step_increment (adjustment, alloc_size * 0.1);
608 gtk_adjustment_set_page_increment (adjustment, alloc_size * 0.9);
609 gtk_adjustment_set_lower (adjustment, 0);
610 gtk_adjustment_set_upper (adjustment, upper);
613 * We add 0.5 to the values before to average out our rounding errors.
615 switch (view->pending_scroll) {
616 case SCROLL_TO_KEEP_POSITION:
617 case SCROLL_TO_FIND_LOCATION:
618 new_value = CLAMP (upper * factor + 0.5, 0, upper - page_size);
619 gtk_adjustment_set_value (adjustment, (int)new_value);
621 case SCROLL_TO_PAGE_POSITION:
622 ev_view_scroll_to_page_position (view, orientation);
624 case SCROLL_TO_CENTER:
625 new_value = CLAMP (upper * factor - page_size * 0.5 + 0.5,
626 0, upper - page_size);
627 gtk_adjustment_set_value (adjustment, (int)new_value);
631 gtk_adjustment_changed (adjustment);
635 view_update_range_and_current_page (EvView *view)
637 gint start = view->start_page;
638 gint end = view->end_page;
640 if (ev_document_get_n_pages (view->document) <= 0 ||
641 !ev_document_check_dimensions (view->document))
644 if (view->continuous) {
645 GdkRectangle current_area, unused, page_area;
647 gboolean found = FALSE;
648 gint area_max = -1, area;
649 gint best_current_page = -1;
652 if (!(view->vadjustment && view->hadjustment))
655 current_area.x = gtk_adjustment_get_value (view->hadjustment);
656 current_area.width = gtk_adjustment_get_page_size (view->hadjustment);
657 current_area.y = gtk_adjustment_get_value (view->vadjustment);
658 current_area.height = gtk_adjustment_get_page_size (view->vadjustment);
660 for (i = 0; i < ev_document_get_n_pages (view->document); i++) {
662 ev_view_get_page_extents (view, i, &page_area, &border);
664 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
665 area = unused.width * unused.height;
669 view->start_page = i;
671 best_current_page = i;
673 if (area > area_max) {
674 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
680 } else if (found && view->current_page <= view->end_page) {
681 if (view->dual_page && j < 1) {
682 /* In dual mode we stop searching
683 * after two consecutive non-visible pages.
692 if (view->pending_scroll == SCROLL_TO_KEEP_POSITION) {
693 best_current_page = MAX (best_current_page, view->start_page);
695 if (view->current_page != best_current_page) {
696 view->current_page = best_current_page;
697 hide_loading_window (view);
698 ev_document_model_set_page (view->model, best_current_page);
701 } else if (view->dual_page) {
702 if (view->current_page % 2 == get_dual_even_left (view)) {
703 view->start_page = view->current_page;
704 if (view->current_page + 1 < ev_document_get_n_pages (view->document))
705 view->end_page = view->start_page + 1;
707 view->end_page = view->start_page;
709 if (view->current_page < 1)
710 view->start_page = view->current_page;
712 view->start_page = view->current_page - 1;
713 view->end_page = view->current_page;
716 view->start_page = view->current_page;
717 view->end_page = view->current_page;
720 if (view->start_page == -1 || view->end_page == -1)
723 if (start != view->start_page || end != view->end_page) {
726 for (i = start; i < view->start_page && start != -1; i++) {
727 hide_annotation_windows (view, i);
730 for (i = end; i > view->end_page && end != -1; i--) {
731 hide_annotation_windows (view, i);
735 ev_page_cache_set_page_range (view->page_cache,
738 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
741 view->selection_info.selections);
743 if (ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page))
744 gtk_widget_queue_draw (GTK_WIDGET (view));
748 ev_view_set_scroll_adjustment (EvView *view,
749 GtkOrientation orientation,
750 GtkAdjustment *adjustment)
752 GtkAdjustment **to_set;
753 const gchar *prop_name;
755 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
756 to_set = &view->hadjustment;
757 prop_name = "hadjustment";
759 to_set = &view->vadjustment;
760 prop_name = "vadjustment";
763 if (adjustment && adjustment == *to_set)
767 g_signal_handlers_disconnect_by_func (*to_set,
768 (gpointer) on_adjustment_value_changed,
770 g_object_unref (*to_set);
774 adjustment = gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
775 g_signal_connect (adjustment, "value_changed",
776 G_CALLBACK (on_adjustment_value_changed),
778 *to_set = g_object_ref_sink (adjustment);
779 ev_view_set_adjustment_values (view, orientation);
781 g_object_notify (G_OBJECT (view), prop_name);
785 add_scroll_binding_keypad (GtkBindingSet *binding_set,
787 GdkModifierType modifiers,
788 GtkScrollType scroll,
791 guint keypad_keyval = keyval - GDK_KEY_Left + GDK_KEY_KP_Left;
793 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
794 "binding_activated", 2,
795 GTK_TYPE_SCROLL_TYPE, scroll,
796 G_TYPE_BOOLEAN, horizontal);
797 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
798 "binding_activated", 2,
799 GTK_TYPE_SCROLL_TYPE, scroll,
800 G_TYPE_BOOLEAN, horizontal);
804 compute_scroll_increment (EvView *view,
805 GtkScrollType scroll)
807 GtkWidget *widget = GTK_WIDGET (view);
808 GtkAdjustment *adjustment = view->vadjustment;
809 cairo_region_t *text_region, *region;
810 GtkAllocation allocation;
813 EvRectangle doc_rect;
814 GdkRectangle page_area;
816 gdouble fraction = 1.0;
818 if (scroll != GTK_SCROLL_PAGE_BACKWARD && scroll != GTK_SCROLL_PAGE_FORWARD)
819 return gtk_adjustment_get_page_size (adjustment);
821 page = scroll == GTK_SCROLL_PAGE_BACKWARD ? view->start_page : view->end_page;
823 text_region = ev_page_cache_get_text_mapping (view->page_cache, page);
824 if (!text_region || cairo_region_is_empty (text_region))
825 return gtk_adjustment_get_page_size (adjustment);
827 gtk_widget_get_allocation (widget, &allocation);
828 ev_view_get_page_extents (view, page, &page_area, &border);
829 rect.x = page_area.x + view->scroll_x;
830 rect.y = view->scroll_y + (scroll == GTK_SCROLL_PAGE_BACKWARD ? 5 : allocation.height - 5);
831 rect.width = page_area.width;
833 view_rect_to_doc_rect (view, &rect, &page_area, &doc_rect);
835 /* Convert the doc rectangle into a GdkRectangle */
836 rect.x = doc_rect.x1;
837 rect.y = doc_rect.y1;
838 rect.width = doc_rect.x2 - doc_rect.x1;
839 rect.height = MAX (1, doc_rect.y2 - doc_rect.y1);
840 region = cairo_region_create_rectangle (&rect);
842 cairo_region_intersect (region, text_region);
843 if (cairo_region_num_rectangles (region)) {
846 cairo_region_t *sel_region;
848 cairo_region_get_rectangle (region, 0, &rect);
849 ev_page = ev_document_get_page (view->document, page);
850 rc = ev_render_context_new (ev_page, view->rotation, view->scale);
851 g_object_unref (ev_page);
852 /* Get the selection region to know the height of the line */
853 doc_rect.x1 = doc_rect.x2 = rect.x + 0.5;
854 doc_rect.y1 = doc_rect.y2 = rect.y + 0.5;
856 ev_document_doc_mutex_lock ();
857 sel_region = ev_selection_get_selection_region (EV_SELECTION (view->document),
858 rc, EV_SELECTION_STYLE_LINE,
860 ev_document_doc_mutex_unlock ();
864 if (cairo_region_num_rectangles (sel_region) > 0) {
865 cairo_region_get_rectangle (sel_region, 0, &rect);
866 fraction = 1 - (rect.height / gtk_adjustment_get_page_size (adjustment));
868 cairo_region_destroy (sel_region);
870 cairo_region_destroy (region);
872 return gtk_adjustment_get_page_size (adjustment) * fraction;
877 ev_view_scroll (EvView *view,
878 GtkScrollType scroll,
881 GtkAdjustment *adjustment;
882 double value, increment;
883 gdouble upper, lower;
885 gdouble step_increment;
886 gboolean first_page = FALSE;
887 gboolean last_page = FALSE;
889 view->jump_to_find_result = FALSE;
891 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
893 case GTK_SCROLL_PAGE_BACKWARD:
894 case GTK_SCROLL_STEP_BACKWARD:
895 ev_view_previous_page (view);
897 case GTK_SCROLL_PAGE_FORWARD:
898 case GTK_SCROLL_STEP_FORWARD:
899 ev_view_next_page (view);
907 /* Assign values for increment and vertical adjustment */
908 adjustment = horizontal ? view->hadjustment : view->vadjustment;
909 value = gtk_adjustment_get_value (adjustment);
910 upper = gtk_adjustment_get_upper (adjustment);
911 lower = gtk_adjustment_get_lower (adjustment);
912 page_size = gtk_adjustment_get_page_size (adjustment);
913 step_increment = gtk_adjustment_get_step_increment (adjustment);
915 /* Assign boolean for first and last page */
916 if (view->current_page == 0)
918 if (view->current_page == ev_document_get_n_pages (view->document) - 1)
922 case GTK_SCROLL_PAGE_BACKWARD:
923 /* Do not jump backwards if at the first page */
924 if (value == lower && first_page) {
926 /* At the top of a page, assign the upper bound limit of previous page */
927 } else if (value == lower) {
928 value = upper - page_size;
929 ev_view_previous_page (view);
930 /* Jump to the top */
932 increment = compute_scroll_increment (view, GTK_SCROLL_PAGE_BACKWARD);
933 value = MAX (value - increment, lower);
936 case GTK_SCROLL_PAGE_FORWARD:
937 /* Do not jump forward if at the last page */
938 if (value == (upper - page_size) && last_page) {
940 /* At the bottom of a page, assign the lower bound limit of next page */
941 } else if (value == (upper - page_size)) {
943 ev_view_next_page (view);
944 /* Jump to the bottom */
946 increment = compute_scroll_increment (view, GTK_SCROLL_PAGE_FORWARD);
947 value = MIN (value + increment, upper - page_size);
950 case GTK_SCROLL_STEP_BACKWARD:
951 value -= step_increment;
953 case GTK_SCROLL_STEP_FORWARD:
954 value += step_increment;
956 case GTK_SCROLL_STEP_DOWN:
957 value -= step_increment / 10;
959 case GTK_SCROLL_STEP_UP:
960 value += step_increment / 10;
966 value = CLAMP (value, lower, upper - page_size);
968 gtk_adjustment_set_value (adjustment, value);
974 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
976 GtkWidget *widget = GTK_WIDGET (view);
977 GtkAdjustment *adjustment;
978 GtkAllocation allocation;
982 view->pending_scroll = SCROLL_TO_FIND_LOCATION;
984 gtk_widget_get_allocation (widget, &allocation);
986 adjustment = view->vadjustment;
987 adj_value = gtk_adjustment_get_value (adjustment);
989 if (rect->y < adj_value) {
990 value = MAX (gtk_adjustment_get_lower (adjustment), rect->y - MARGIN);
991 gtk_adjustment_set_value (view->vadjustment, value);
992 } else if (rect->y + rect->height > adj_value + allocation.height) {
993 value = MIN (gtk_adjustment_get_upper (adjustment), rect->y + rect->height -
994 allocation.height + MARGIN);
995 gtk_adjustment_set_value (view->vadjustment, value);
998 adjustment = view->hadjustment;
999 adj_value = gtk_adjustment_get_value (adjustment);
1001 if (rect->x < adj_value) {
1002 value = MAX (gtk_adjustment_get_lower (adjustment), rect->x - MARGIN);
1003 gtk_adjustment_set_value (view->hadjustment, value);
1004 } else if (rect->x + rect->height > adj_value + allocation.width) {
1005 value = MIN (gtk_adjustment_get_upper (adjustment), rect->x + rect->width -
1006 allocation.width + MARGIN);
1007 gtk_adjustment_set_value (view->hadjustment, value);
1010 gtk_widget_queue_resize (GTK_WIDGET (view));
1013 /*** Geometry computations ***/
1016 compute_border (EvView *view, int width, int height, GtkBorder *border)
1018 ev_document_misc_get_page_border_size (width, height, border);
1022 _get_page_size_for_scale_and_rotation (EvDocument *document,
1032 ev_document_get_page_size (document, page, &w, &h);
1034 width = (gint)(w * scale + 0.5);
1035 height = (gint)(h * scale + 0.5);
1038 *page_width = (rotation == 0 || rotation == 180) ? width : height;
1040 *page_height = (rotation == 0 || rotation == 180) ? height : width;
1044 ev_view_get_page_size (EvView *view,
1049 _get_page_size_for_scale_and_rotation (view->document,
1058 ev_view_get_max_page_size (EvView *view,
1065 ev_document_get_max_page_size (view->document, &w, &h);
1067 width = (gint)(w * view->scale + 0.5);
1068 height = (gint)(h * view->scale + 0.5);
1071 *max_width = (view->rotation == 0 || view->rotation == 180) ? width : height;
1073 *max_height = (view->rotation == 0 || view->rotation == 180) ? height : width;
1077 get_page_y_offset (EvView *view, int page, int *y_offset)
1079 int max_width, offset;
1082 g_return_if_fail (y_offset != NULL);
1084 ev_view_get_max_page_size (view, &max_width, NULL);
1085 compute_border (view, max_width, max_width, &border);
1087 if (view->dual_page) {
1088 ev_view_get_height_to_page (view, page, NULL, &offset);
1089 offset += ((page + get_dual_even_left (view)) / 2 + 1) * view->spacing +
1090 ((page + get_dual_even_left (view)) / 2 ) * (border.top + border.bottom);
1092 ev_view_get_height_to_page (view, page, &offset, NULL);
1093 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
1101 ev_view_get_page_extents (EvView *view,
1103 GdkRectangle *page_area,
1108 GtkAllocation allocation;
1110 widget = GTK_WIDGET (view);
1111 gtk_widget_get_allocation (widget, &allocation);
1113 /* Get the size of the page */
1114 ev_view_get_page_size (view, page, &width, &height);
1115 compute_border (view, width, height, border);
1116 page_area->width = width + border->left + border->right;
1117 page_area->height = height + border->top + border->bottom;
1119 if (view->continuous) {
1123 ev_view_get_max_page_size (view, &max_width, NULL);
1124 max_width = max_width + border->left + border->right;
1125 /* Get the location of the bounding box */
1126 if (view->dual_page) {
1127 x = view->spacing + ((page % 2 == get_dual_even_left (view)) ? 0 : 1) * (max_width + view->spacing);
1128 x = x + MAX (0, allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
1129 if (page % 2 == get_dual_even_left (view))
1130 x = x + (max_width - width - border->left - border->right);
1133 x = x + MAX (0, allocation.width - (width + view->spacing * 2)) / 2;
1136 get_page_y_offset (view, page, &y);
1142 if (view->dual_page) {
1143 gint width_2, height_2;
1144 gint max_width = width;
1145 gint max_height = height;
1146 GtkBorder overall_border;
1149 other_page = (page % 2 == get_dual_even_left (view)) ? page + 1: page - 1;
1151 /* First, we get the bounding box of the two pages */
1152 if (other_page < ev_document_get_n_pages (view->document)
1153 && (0 <= other_page)) {
1154 ev_view_get_page_size (view, other_page,
1155 &width_2, &height_2);
1156 if (width_2 > width)
1157 max_width = width_2;
1158 if (height_2 > height)
1159 max_height = height_2;
1161 compute_border (view, max_width, max_height, &overall_border);
1163 /* Find the offsets */
1167 /* Adjust for being the left or right page */
1168 if (page % 2 == get_dual_even_left (view))
1169 x = x + max_width - width;
1171 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
1173 y = y + (max_height - height)/2;
1175 /* Adjust for extra allocation */
1176 x = x + MAX (0, allocation.width -
1177 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
1178 y = y + MAX (0, allocation.height - (height + view->spacing * 2))/2;
1183 /* Adjust for extra allocation */
1184 x = x + MAX (0, allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
1185 y = y + MAX (0, allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
1196 get_doc_page_size (EvView *view,
1203 ev_document_get_page_size (view->document, page, &w, &h);
1204 if (view->rotation == 0 || view->rotation == 180) {
1205 if (width) *width = w;
1206 if (height) *height = h;
1208 if (width) *width = h;
1209 if (height) *height = w;
1214 view_point_to_doc_point (EvView *view,
1215 GdkPoint *view_point,
1216 GdkRectangle *page_area,
1217 double *doc_point_x,
1218 double *doc_point_y)
1220 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
1221 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
1225 view_rect_to_doc_rect (EvView *view,
1226 GdkRectangle *view_rect,
1227 GdkRectangle *page_area,
1228 EvRectangle *doc_rect)
1230 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
1231 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
1232 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
1233 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
1237 doc_point_to_view_point (EvView *view,
1240 GdkPoint *view_point)
1242 GdkRectangle page_area;
1244 double x, y, view_x, view_y;
1245 gdouble width, height;
1247 get_doc_page_size (view, page, &width, &height);
1249 if (view->rotation == 0) {
1252 } else if (view->rotation == 90) {
1253 x = width - doc_point->y;
1255 } else if (view->rotation == 180) {
1256 x = width - doc_point->x;
1257 y = height - doc_point->y;
1258 } else if (view->rotation == 270) {
1260 y = height - doc_point->x;
1262 g_assert_not_reached ();
1265 ev_view_get_page_extents (view, page, &page_area, &border);
1267 view_x = CLAMP (x * view->scale, 0, page_area.width);
1268 view_y = CLAMP (y * view->scale, 0, page_area.height);
1269 view_point->x = view_x + page_area.x;
1270 view_point->y = view_y + page_area.y;
1274 doc_rect_to_view_rect (EvView *view,
1276 EvRectangle *doc_rect,
1277 GdkRectangle *view_rect)
1279 GdkRectangle page_area;
1282 gdouble width, height;
1284 get_doc_page_size (view, page, &width, &height);
1286 if (view->rotation == 0) {
1289 w = doc_rect->x2 - doc_rect->x1;
1290 h = doc_rect->y2 - doc_rect->y1;
1291 } else if (view->rotation == 90) {
1292 x = width - doc_rect->y2;
1294 w = doc_rect->y2 - doc_rect->y1;
1295 h = doc_rect->x2 - doc_rect->x1;
1296 } else if (view->rotation == 180) {
1297 x = width - doc_rect->x2;
1298 y = height - doc_rect->y2;
1299 w = doc_rect->x2 - doc_rect->x1;
1300 h = doc_rect->y2 - doc_rect->y1;
1301 } else if (view->rotation == 270) {
1303 y = height - doc_rect->x2;
1304 w = doc_rect->y2 - doc_rect->y1;
1305 h = doc_rect->x2 - doc_rect->x1;
1307 g_assert_not_reached ();
1310 ev_view_get_page_extents (view, page, &page_area, &border);
1312 view_rect->x = x * view->scale + page_area.x;
1313 view_rect->y = y * view->scale + page_area.y;
1314 view_rect->width = w * view->scale;
1315 view_rect->height = h * view->scale;
1319 get_dual_even_left (EvView *view)
1321 return (ev_document_get_n_pages (view->document) > 2);
1325 find_page_at_location (EvView *view,
1334 if (view->document == NULL)
1338 g_assert (x_offset);
1339 g_assert (y_offset);
1341 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
1342 GdkRectangle page_area;
1345 if (! ev_view_get_page_extents (view, i, &page_area, &border))
1348 if ((x >= page_area.x + border.left) &&
1349 (x < page_area.x + page_area.width - border.right) &&
1350 (y >= page_area.y + border.top) &&
1351 (y < page_area.y + page_area.height - border.bottom)) {
1353 *x_offset = x - (page_area.x + border.left);
1354 *y_offset = y - (page_area.y + border.top);
1363 location_in_text (EvView *view,
1367 cairo_region_t *region;
1369 gint x_offset = 0, y_offset = 0;
1371 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1376 region = ev_page_cache_get_text_mapping (view->page_cache, page);
1379 return cairo_region_contains_point (region, x_offset / view->scale, y_offset / view->scale);
1385 location_in_selected_text (EvView *view,
1390 gint x_offset = 0, y_offset = 0;
1391 EvViewSelection *selection;
1394 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1395 selection = (EvViewSelection *)l->data;
1397 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1399 if (page != selection->page)
1402 if (selection->covered_region &&
1403 cairo_region_contains_point (selection->covered_region, x_offset, y_offset))
1411 get_doc_point_from_offset (EvView *view,
1418 gdouble width, height;
1421 get_doc_page_size (view, page, &width, &height);
1423 x_offset = x_offset / view->scale;
1424 y_offset = y_offset / view->scale;
1426 if (view->rotation == 0) {
1429 } else if (view->rotation == 90) {
1431 y = width - x_offset;
1432 } else if (view->rotation == 180) {
1433 x = width - x_offset;
1434 y = height - y_offset;
1435 } else if (view->rotation == 270) {
1436 x = height - y_offset;
1439 g_assert_not_reached ();
1449 get_doc_point_from_location (EvView *view,
1456 gint x_offset = 0, y_offset = 0;
1458 x += view->scroll_x;
1459 y += view->scroll_y;
1460 find_page_at_location (view, x, y, page, &x_offset, &y_offset);
1464 return get_doc_point_from_offset (view, *page, x_offset, y_offset, x_new, y_new);
1468 ev_view_get_area_from_mapping (EvView *view,
1470 EvMappingList *mapping_list,
1476 mapping = ev_mapping_list_find (mapping_list, data);
1477 doc_rect_to_view_rect (view, page, &mapping->area, area);
1478 area->x -= view->scroll_x;
1479 area->y -= view->scroll_y;
1485 ev_view_get_link_at_location (EvView *view,
1490 gint x_new = 0, y_new = 0;
1491 EvMappingList *link_mapping;
1493 if (!EV_IS_DOCUMENT_LINKS (view->document))
1496 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1499 link_mapping = ev_page_cache_get_link_mapping (view->page_cache, page);
1502 return ev_mapping_list_get_data (link_mapping, x_new, y_new);
1508 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1511 gdouble zoom, left, top;
1512 gboolean change_left, change_top;
1513 GtkAllocation allocation;
1515 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1517 left = ev_link_dest_get_left (dest, &change_left);
1518 top = ev_link_dest_get_top (dest, &change_top);
1520 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - left,
1521 ev_link_dest_get_bottom (dest) - top,
1525 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1526 ev_document_model_set_scale (view->model, zoom);
1528 doc_point.x = change_left ? left : 0;
1529 doc_point.y = change_top ? top : 0;
1530 view->pending_point = doc_point;
1532 ev_view_change_page (view, ev_link_dest_get_page (dest));
1536 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1539 gdouble doc_width, doc_height;
1542 gboolean change_left;
1543 GtkAllocation allocation;
1545 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1547 page = ev_link_dest_get_page (dest);
1548 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1550 left = ev_link_dest_get_left (dest, &change_left);
1551 doc_point.x = change_left ? left : 0;
1554 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1558 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1559 ev_document_model_set_scale (view->model, zoom);
1561 view->pending_point = doc_point;
1563 ev_view_change_page (view, page);
1567 goto_fith_dest (EvView *view, EvLinkDest *dest)
1570 gdouble doc_width, doc_height;
1573 gboolean change_top;
1574 GtkAllocation allocation;
1576 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1578 page = ev_link_dest_get_page (dest);
1579 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1581 top = ev_link_dest_get_top (dest, &change_top);
1584 doc_point.y = change_top ? top : 0;
1586 zoom = zoom_for_size_fit_width (doc_width, top,
1590 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FIT_WIDTH);
1591 ev_document_model_set_scale (view->model, zoom);
1593 view->pending_point = doc_point;
1595 ev_view_change_page (view, page);
1599 goto_fit_dest (EvView *view, EvLinkDest *dest)
1602 gdouble doc_width, doc_height;
1604 GtkAllocation allocation;
1606 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1608 page = ev_link_dest_get_page (dest);
1609 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1611 zoom = zoom_for_size_best_fit (doc_width, doc_height,
1615 ev_document_model_set_sizing_mode (view->model, EV_SIZING_BEST_FIT);
1616 ev_document_model_set_scale (view->model, zoom);
1618 ev_view_change_page (view, page);
1622 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1626 gdouble zoom, left, top;
1627 gboolean change_zoom, change_left, change_top;
1629 zoom = ev_link_dest_get_zoom (dest, &change_zoom);
1630 page = ev_link_dest_get_page (dest);
1632 if (change_zoom && zoom > 1) {
1633 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1634 ev_document_model_set_scale (view->model, zoom);
1637 left = ev_link_dest_get_left (dest, &change_left);
1638 top = ev_link_dest_get_top (dest, &change_top);
1640 doc_point.x = change_left ? left : 0;
1641 doc_point.y = change_top ? top : 0;
1642 view->pending_point = doc_point;
1644 ev_view_change_page (view, page);
1648 goto_dest (EvView *view, EvLinkDest *dest)
1650 EvLinkDestType type;
1651 int page, n_pages, current_page;
1653 page = ev_link_dest_get_page (dest);
1654 n_pages = ev_document_get_n_pages (view->document);
1656 if (page < 0 || page >= n_pages)
1659 current_page = view->current_page;
1661 type = ev_link_dest_get_dest_type (dest);
1664 case EV_LINK_DEST_TYPE_PAGE:
1665 ev_document_model_set_page (view->model, page);
1667 case EV_LINK_DEST_TYPE_FIT:
1668 goto_fit_dest (view, dest);
1670 case EV_LINK_DEST_TYPE_FITH:
1671 goto_fith_dest (view, dest);
1673 case EV_LINK_DEST_TYPE_FITV:
1674 goto_fitv_dest (view, dest);
1676 case EV_LINK_DEST_TYPE_FITR:
1677 goto_fitr_dest (view, dest);
1679 case EV_LINK_DEST_TYPE_XYZ:
1680 goto_xyz_dest (view, dest);
1682 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1683 ev_document_model_set_page_by_label (view->model, ev_link_dest_get_page_label (dest));
1686 g_assert_not_reached ();
1689 if (current_page != view->current_page)
1690 ev_document_model_set_page (view->model, view->current_page);
1694 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1696 EvLinkDestType type;
1698 type = ev_link_dest_get_dest_type (dest);
1700 if (type == EV_LINK_DEST_TYPE_NAMED) {
1702 const gchar *named_dest;
1704 named_dest = ev_link_dest_get_named_dest (dest);
1705 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1708 goto_dest (view, dest2);
1709 g_object_unref (dest2);
1715 goto_dest (view, dest);
1719 ev_view_handle_link (EvView *view, EvLink *link)
1721 EvLinkAction *action = NULL;
1722 EvLinkActionType type;
1724 action = ev_link_get_action (link);
1728 type = ev_link_action_get_action_type (action);
1731 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1734 g_signal_emit (view, signals[SIGNAL_HANDLE_LINK], 0, link);
1736 dest = ev_link_action_get_dest (action);
1737 ev_view_goto_dest (view, dest);
1740 case EV_LINK_ACTION_TYPE_LAYERS_STATE: {
1741 GList *show, *hide, *toggle;
1743 EvDocumentLayers *document_layers;
1745 document_layers = EV_DOCUMENT_LAYERS (view->document);
1747 show = ev_link_action_get_show_list (action);
1748 for (l = show; l; l = g_list_next (l)) {
1749 ev_document_layers_show_layer (document_layers, EV_LAYER (l->data));
1752 hide = ev_link_action_get_hide_list (action);
1753 for (l = hide; l; l = g_list_next (l)) {
1754 ev_document_layers_hide_layer (document_layers, EV_LAYER (l->data));
1757 toggle = ev_link_action_get_toggle_list (action);
1758 for (l = toggle; l; l = g_list_next (l)) {
1759 EvLayer *layer = EV_LAYER (l->data);
1761 if (ev_document_layers_layer_is_visible (document_layers, layer)) {
1762 ev_document_layers_hide_layer (document_layers, layer);
1764 ev_document_layers_show_layer (document_layers, layer);
1768 g_signal_emit (view, signals[SIGNAL_LAYERS_CHANGED], 0);
1769 ev_view_reload_page (view, view->current_page, NULL);
1772 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1773 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1774 case EV_LINK_ACTION_TYPE_LAUNCH:
1775 case EV_LINK_ACTION_TYPE_NAMED:
1776 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1782 tip_from_action_named (EvLinkAction *action)
1784 const gchar *name = ev_link_action_get_name (action);
1786 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1787 return g_strdup (_("Go to first page"));
1788 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1789 return g_strdup (_("Go to previous page"));
1790 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1791 return g_strdup (_("Go to next page"));
1792 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1793 return g_strdup (_("Go to last page"));
1794 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1795 return g_strdup (_("Go to page"));
1796 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1797 return g_strdup (_("Find"));
1804 tip_from_link (EvView *view, EvLink *link)
1806 EvLinkAction *action;
1807 EvLinkActionType type;
1812 action = ev_link_get_action (link);
1813 title = ev_link_get_title (link);
1816 return title ? g_strdup (title) : NULL;
1818 type = ev_link_action_get_action_type (action);
1821 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1822 page_label = ev_document_links_get_dest_page_label (EV_DOCUMENT_LINKS (view->document),
1823 ev_link_action_get_dest (action));
1825 msg = g_strdup_printf (_("Go to page %s"), page_label);
1826 g_free (page_label);
1829 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1831 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1832 ev_link_action_get_filename (action));
1834 msg = g_strdup_printf (_("Go to file “%s”"),
1835 ev_link_action_get_filename (action));
1838 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1839 msg = g_strdup (ev_link_action_get_uri (action));
1841 case EV_LINK_ACTION_TYPE_LAUNCH:
1842 msg = g_strdup_printf (_("Launch %s"),
1843 ev_link_action_get_filename (action));
1845 case EV_LINK_ACTION_TYPE_NAMED:
1846 msg = tip_from_action_named (action);
1850 msg = g_strdup (title);
1858 ev_view_handle_cursor_over_xy (EvView *view, gint x, gint y)
1862 EvAnnotation *annot = NULL;
1864 if (view->cursor == EV_VIEW_CURSOR_HIDDEN)
1867 if (view->adding_annot) {
1868 if (view->cursor != EV_VIEW_CURSOR_ADD)
1869 ev_view_set_cursor (view, EV_VIEW_CURSOR_ADD);
1873 if (view->drag_info.in_drag) {
1874 if (view->cursor != EV_VIEW_CURSOR_DRAG)
1875 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1879 if (view->scroll_info.autoscrolling) {
1880 if (view->cursor != EV_VIEW_CURSOR_AUTOSCROLL)
1881 ev_view_set_cursor (view, EV_VIEW_CURSOR_AUTOSCROLL);
1885 link = ev_view_get_link_at_location (view, x, y);
1887 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1888 } else if ((field = ev_view_get_form_field_at_location (view, x, y))) {
1889 if (field->is_read_only) {
1890 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1891 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1892 view->cursor == EV_VIEW_CURSOR_DRAG)
1893 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1894 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
1895 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1897 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1899 } else if ((annot = ev_view_get_annotation_at_location (view, x, y))) {
1900 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1901 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1902 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1904 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1905 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1906 view->cursor == EV_VIEW_CURSOR_DRAG ||
1907 view->cursor == EV_VIEW_CURSOR_AUTOSCROLL ||
1908 view->cursor == EV_VIEW_CURSOR_ADD)
1909 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1913 g_object_set (view, "has-tooltip", TRUE, NULL);
1918 ev_view_get_image_at_location (EvView *view,
1923 gint x_new = 0, y_new = 0;
1924 EvMappingList *image_mapping;
1926 if (!EV_IS_DOCUMENT_IMAGES (view->document))
1929 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1932 image_mapping = ev_page_cache_get_image_mapping (view->page_cache, page);
1935 return ev_mapping_list_get_data (image_mapping, x_new, y_new);
1941 static EvFormField *
1942 ev_view_get_form_field_at_location (EvView *view,
1947 gint x_new = 0, y_new = 0;
1948 EvMappingList *forms_mapping;
1950 if (!EV_IS_DOCUMENT_FORMS (view->document))
1953 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1956 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache, page);
1959 return ev_mapping_list_get_data (forms_mapping, x_new, y_new);
1964 static cairo_region_t *
1965 ev_view_form_field_get_region (EvView *view,
1968 GdkRectangle view_area;
1969 EvMappingList *forms_mapping;
1971 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
1972 field->page->index);
1973 ev_view_get_area_from_mapping (view, field->page->index,
1977 return cairo_region_create_rectangle (&view_area);
1981 ev_view_forms_remove_widgets (EvView *view)
1983 ev_view_remove_all (view);
1989 ev_view_form_field_destroy (GtkWidget *widget,
1992 g_idle_add ((GSourceFunc)ev_view_forms_remove_widgets, view);
1996 ev_view_form_field_button_create_widget (EvView *view,
1999 EvFormFieldButton *field_button = EV_FORM_FIELD_BUTTON (field);
2000 cairo_region_t *field_region = NULL;
2002 switch (field_button->type) {
2003 case EV_FORM_FIELD_BUTTON_PUSH:
2005 case EV_FORM_FIELD_BUTTON_CHECK:
2006 case EV_FORM_FIELD_BUTTON_RADIO: {
2008 EvMappingList *forms_mapping;
2011 state = ev_document_forms_form_field_button_get_state (EV_DOCUMENT_FORMS (view->document),
2014 /* FIXME: it actually depends on NoToggleToOff flags */
2015 if (field_button->type == EV_FORM_FIELD_BUTTON_RADIO &&
2016 state && field_button->state)
2019 field_region = ev_view_form_field_get_region (view, field);
2021 /* For radio buttons and checkbox buttons that are in a set
2022 * we need to update also the region for the current selected item
2024 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
2025 field->page->index);
2026 for (l = ev_mapping_list_get_list (forms_mapping); l; l = g_list_next (l)) {
2027 EvFormField *button = ((EvMapping *)(l->data))->data;
2028 cairo_region_t *button_region;
2030 if (button->id == field->id)
2033 /* FIXME: only buttons in the same group should be updated */
2034 if (!EV_IS_FORM_FIELD_BUTTON (button) ||
2035 EV_FORM_FIELD_BUTTON (button)->type != field_button->type ||
2036 EV_FORM_FIELD_BUTTON (button)->state != TRUE)
2039 button_region = ev_view_form_field_get_region (view, button);
2040 cairo_region_union (field_region, button_region);
2041 cairo_region_destroy (button_region);
2044 ev_document_forms_form_field_button_set_state (EV_DOCUMENT_FORMS (view->document),
2046 field_button->state = !state;
2051 ev_view_reload_page (view, field->page->index, field_region);
2052 cairo_region_destroy (field_region);
2058 ev_view_form_field_text_save (EvView *view,
2063 if (!view->document)
2066 field = g_object_get_data (G_OBJECT (widget), "form-field");
2068 if (field->changed) {
2069 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2070 cairo_region_t *field_region;
2072 field_region = ev_view_form_field_get_region (view, field);
2074 ev_document_forms_form_field_text_set_text (EV_DOCUMENT_FORMS (view->document),
2075 field, field_text->text);
2076 field->changed = FALSE;
2077 ev_view_reload_page (view, field->page->index, field_region);
2078 cairo_region_destroy (field_region);
2083 ev_view_form_field_text_changed (GtkWidget *widget,
2086 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2089 if (GTK_IS_ENTRY (widget)) {
2090 text = g_strdup (gtk_entry_get_text (GTK_ENTRY (widget)));
2091 } else if (GTK_IS_TEXT_BUFFER (widget)) {
2092 GtkTextIter start, end;
2094 gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (widget), &start, &end);
2095 text = gtk_text_buffer_get_text (GTK_TEXT_BUFFER (widget),
2096 &start, &end, FALSE);
2099 if (!field_text->text ||
2100 (field_text->text && g_ascii_strcasecmp (field_text->text, text) != 0)) {
2101 g_free (field_text->text);
2102 field_text->text = text;
2103 field->changed = TRUE;
2108 ev_view_form_field_text_create_widget (EvView *view,
2111 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2112 GtkWidget *text = NULL;
2115 txt = ev_document_forms_form_field_text_get_text (EV_DOCUMENT_FORMS (view->document),
2118 switch (field_text->type) {
2119 case EV_FORM_FIELD_TEXT_FILE_SELECT:
2121 case EV_FORM_FIELD_TEXT_NORMAL:
2122 text = gtk_entry_new ();
2123 gtk_entry_set_has_frame (GTK_ENTRY (text), FALSE);
2124 gtk_entry_set_max_length (GTK_ENTRY (text), field_text->max_len);
2125 gtk_entry_set_visibility (GTK_ENTRY (text), !field_text->is_password);
2128 gtk_entry_set_text (GTK_ENTRY (text), txt);
2132 g_signal_connect (text, "changed",
2133 G_CALLBACK (ev_view_form_field_text_changed),
2135 g_signal_connect_after (text, "activate",
2136 G_CALLBACK (ev_view_form_field_destroy),
2139 case EV_FORM_FIELD_TEXT_MULTILINE: {
2140 GtkTextBuffer *buffer;
2142 text = gtk_text_view_new ();
2143 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text));
2146 gtk_text_buffer_set_text (buffer, txt, -1);
2150 g_signal_connect (buffer, "changed",
2151 G_CALLBACK (ev_view_form_field_text_changed),
2157 g_object_weak_ref (G_OBJECT (text),
2158 (GWeakNotify)ev_view_form_field_text_save,
2165 ev_view_form_field_choice_save (EvView *view,
2170 if (!view->document)
2173 field = g_object_get_data (G_OBJECT (widget), "form-field");
2175 if (field->changed) {
2177 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2178 cairo_region_t *field_region;
2180 field_region = ev_view_form_field_get_region (view, field);
2182 if (field_choice->is_editable) {
2183 ev_document_forms_form_field_choice_set_text (EV_DOCUMENT_FORMS (view->document),
2184 field, field_choice->text);
2186 ev_document_forms_form_field_choice_unselect_all (EV_DOCUMENT_FORMS (view->document), field);
2187 for (l = field_choice->selected_items; l; l = g_list_next (l)) {
2188 ev_document_forms_form_field_choice_select_item (EV_DOCUMENT_FORMS (view->document),
2190 GPOINTER_TO_INT (l->data));
2193 field->changed = FALSE;
2194 ev_view_reload_page (view, field->page->index, field_region);
2195 cairo_region_destroy (field_region);
2200 ev_view_form_field_choice_changed (GtkWidget *widget,
2203 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2205 if (GTK_IS_COMBO_BOX (widget)) {
2208 item = gtk_combo_box_get_active (GTK_COMBO_BOX (widget));
2209 if (!field_choice->selected_items ||
2210 GPOINTER_TO_INT (field_choice->selected_items->data) != item) {
2211 g_list_free (field_choice->selected_items);
2212 field_choice->selected_items = NULL;
2213 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2214 GINT_TO_POINTER (item));
2215 field->changed = TRUE;
2218 if (gtk_combo_box_get_has_entry (GTK_COMBO_BOX (widget))) {
2221 text = gtk_entry_get_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (widget))));
2222 if (!field_choice->text ||
2223 (field_choice->text && g_ascii_strcasecmp (field_choice->text, text) != 0)) {
2224 g_free (field_choice->text);
2225 field_choice->text = g_strdup (text);
2226 field->changed = TRUE;
2229 } else if (GTK_IS_TREE_SELECTION (widget)) {
2230 GtkTreeSelection *selection = GTK_TREE_SELECTION (widget);
2231 GtkTreeModel *model;
2234 items = gtk_tree_selection_get_selected_rows (selection, &model);
2235 g_list_free (field_choice->selected_items);
2236 field_choice->selected_items = NULL;
2238 for (l = items; l && l->data; l = g_list_next (l)) {
2240 GtkTreePath *path = (GtkTreePath *)l->data;
2243 gtk_tree_model_get_iter (model, &iter, path);
2244 gtk_tree_model_get (model, &iter, 1, &item, -1);
2246 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2247 GINT_TO_POINTER (item));
2249 gtk_tree_path_free (path);
2252 g_list_free (items);
2254 field->changed = TRUE;
2259 ev_view_form_field_choice_create_widget (EvView *view,
2262 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2264 GtkTreeModel *model;
2266 gint selected_item = 0;
2268 n_items = ev_document_forms_form_field_choice_get_n_items (EV_DOCUMENT_FORMS (view->document),
2270 model = GTK_TREE_MODEL (gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT));
2271 for (i = 0; i < n_items; i++) {
2275 item = ev_document_forms_form_field_choice_get_item (EV_DOCUMENT_FORMS (view->document),
2277 if (ev_document_forms_form_field_choice_is_item_selected (
2278 EV_DOCUMENT_FORMS (view->document), field, i)) {
2280 /* FIXME: we need a get_selected_items function in poppler */
2281 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2282 GINT_TO_POINTER (i));
2286 gtk_list_store_append (GTK_LIST_STORE (model), &iter);
2287 gtk_list_store_set (GTK_LIST_STORE (model), &iter,
2295 if (field_choice->type == EV_FORM_FIELD_CHOICE_LIST) {
2296 GtkCellRenderer *renderer;
2297 GtkWidget *tree_view;
2298 GtkTreeSelection *selection;
2300 tree_view = gtk_tree_view_new_with_model (model);
2301 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);
2303 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
2304 if (field_choice->multi_select) {
2305 gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
2308 /* TODO: set selected items */
2310 renderer = gtk_cell_renderer_text_new ();
2311 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
2317 choice = gtk_scrolled_window_new (NULL, NULL);
2318 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (choice),
2319 GTK_POLICY_AUTOMATIC,
2320 GTK_POLICY_AUTOMATIC);
2321 gtk_container_add (GTK_CONTAINER (choice), tree_view);
2322 gtk_widget_show (tree_view);
2324 g_signal_connect (selection, "changed",
2325 G_CALLBACK (ev_view_form_field_choice_changed),
2327 g_signal_connect_after (selection, "changed",
2328 G_CALLBACK (ev_view_form_field_destroy),
2330 } else if (field_choice->is_editable) { /* ComboBoxEntry */
2333 /* FIXME once gtk bug 633050 is fixed */
2334 choice = g_object_new (GTK_TYPE_COMBO_BOX, "has-entry", TRUE, "model", model, NULL);
2336 text = ev_document_forms_form_field_choice_get_text (EV_DOCUMENT_FORMS (view->document), field);
2338 gtk_entry_set_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (choice))), text);
2342 g_signal_connect (choice, "changed",
2343 G_CALLBACK (ev_view_form_field_choice_changed),
2345 g_signal_connect_after (gtk_bin_get_child (GTK_BIN (choice)),
2347 G_CALLBACK (ev_view_form_field_destroy),
2349 } else { /* ComboBoxText */
2350 GtkCellRenderer *renderer;
2352 choice = gtk_combo_box_new_with_model (model);
2353 renderer = gtk_cell_renderer_text_new ();
2354 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (choice),
2356 gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (choice),
2360 gtk_combo_box_set_active (GTK_COMBO_BOX (choice), selected_item);
2361 gtk_combo_box_popup (GTK_COMBO_BOX (choice));
2363 g_signal_connect (choice, "changed",
2364 G_CALLBACK (ev_view_form_field_choice_changed),
2366 g_signal_connect_after (choice, "changed",
2367 G_CALLBACK (ev_view_form_field_destroy),
2371 g_object_unref (model);
2373 g_object_weak_ref (G_OBJECT (choice),
2374 (GWeakNotify)ev_view_form_field_choice_save,
2381 ev_view_handle_form_field (EvView *view,
2386 GtkWidget *field_widget = NULL;
2387 EvMappingList *form_field_mapping;
2388 GdkRectangle view_area;
2390 if (field->is_read_only)
2393 if (EV_IS_FORM_FIELD_BUTTON (field)) {
2394 field_widget = ev_view_form_field_button_create_widget (view, field);
2395 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
2396 field_widget = ev_view_form_field_text_create_widget (view, field);
2397 } else if (EV_IS_FORM_FIELD_CHOICE (field)) {
2398 field_widget = ev_view_form_field_choice_create_widget (view, field);
2399 } else if (EV_IS_FORM_FIELD_SIGNATURE (field)) {
2403 /* Form field doesn't require a widget */
2407 g_object_set_data_full (G_OBJECT (field_widget), "form-field",
2408 g_object_ref (field),
2409 (GDestroyNotify)g_object_unref);
2411 form_field_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
2412 field->page->index);
2413 ev_view_get_area_from_mapping (view, field->page->index,
2417 gtk_fixed_put (GTK_FIXED (view), field_widget, view_area.x, view_area.y);
2418 gtk_widget_show (field_widget);
2419 gtk_widget_grab_focus (field_widget);
2423 static EvViewWindowChild *
2424 ev_view_get_window_child (EvView *view,
2427 GList *children = view->window_children;
2430 EvViewWindowChild *child;
2432 child = (EvViewWindowChild *)children->data;
2433 children = children->next;
2435 if (child->window == window)
2443 ev_view_window_child_move (EvView *view,
2444 EvViewWindowChild *child,
2448 GtkAllocation allocation;
2451 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
2452 gtk_window_get_size (GTK_WINDOW (child->window), &width, &height);
2456 gtk_window_move (GTK_WINDOW (child->window),
2457 CLAMP (x, child->parent_x,
2458 child->parent_x + allocation.width - width),
2459 CLAMP (y, child->parent_y,
2460 child->parent_y + allocation.height - height));
2464 ev_view_window_child_move_with_parent (EvView *view,
2467 EvViewWindowChild *child;
2468 gint root_x, root_y;
2470 child = ev_view_get_window_child (view, window);
2471 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2473 if (root_x != child->parent_x || root_y != child->parent_y) {
2474 gint dest_x, dest_y;
2476 dest_x = child->x + (root_x - child->parent_x);
2477 dest_y = child->y + (root_y - child->parent_y);
2478 child->parent_x = root_x;
2479 child->parent_y = root_y;
2480 ev_view_window_child_move (view, child, dest_x, dest_y);
2483 if (child->visible && !gtk_widget_get_visible (window))
2484 gtk_widget_show (window);
2488 ev_view_window_child_put (EvView *view,
2496 EvViewWindowChild *child;
2497 gint root_x, root_y;
2499 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2502 child = g_new0 (EvViewWindowChild, 1);
2503 child->window = window;
2505 child->orig_x = orig_x;
2506 child->orig_y = orig_y;
2507 child->parent_x = root_x;
2508 child->parent_y = root_y;
2509 child->visible = ev_annotation_window_is_open (EV_ANNOTATION_WINDOW (window));
2510 ev_view_window_child_move (view, child, x + root_x, y + root_y);
2513 gtk_widget_show (window);
2515 gtk_widget_hide (window);
2517 view->window_children = g_list_append (view->window_children, child);
2520 static EvViewWindowChild *
2521 ev_view_find_window_child_for_annot (EvView *view,
2523 EvAnnotation *annot)
2525 GList *children = view->window_children;
2528 EvViewWindowChild *child;
2529 EvAnnotation *wannot;
2531 child = (EvViewWindowChild *)children->data;
2532 children = children->next;
2534 if (child->page != page)
2537 wannot = ev_annotation_window_get_annotation (EV_ANNOTATION_WINDOW (child->window));
2538 if (ev_annotation_equal (wannot, annot))
2546 ev_view_window_children_free (EvView *view)
2550 if (!view->window_children)
2553 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
2554 EvViewWindowChild *child;
2556 child = (EvViewWindowChild *)l->data;
2557 gtk_widget_destroy (GTK_WIDGET (child->window));
2560 g_list_free (view->window_children);
2561 view->window_children = NULL;
2562 view->window_child_focus = NULL;
2566 annotation_window_grab_focus (GtkWidget *widget,
2569 if (view->window_child_focus)
2570 ev_annotation_window_ungrab_focus (EV_ANNOTATION_WINDOW (view->window_child_focus->window));
2571 view->window_child_focus = ev_view_get_window_child (view, widget);
2575 annotation_window_closed (EvAnnotationWindow *window,
2578 EvViewWindowChild *child;
2580 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2581 child->visible = FALSE;
2585 annotation_window_moved (EvAnnotationWindow *window,
2590 EvViewWindowChild *child;
2591 GdkRectangle page_area;
2593 GdkRectangle view_rect;
2594 EvRectangle doc_rect;
2597 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2598 if (child->x == x && child->y == y)
2601 child->moved = TRUE;
2605 /* Window has been moved by the user,
2606 * we have to set a new origin in doc coords
2608 gtk_window_get_size (GTK_WINDOW (window), &width, &height);
2609 view_rect.x = (x - child->parent_x) + view->scroll_x;
2610 view_rect.y = (y - child->parent_y) + view->scroll_y;
2611 view_rect.width = width;
2612 view_rect.height = height;
2614 ev_view_get_page_extents (view, child->page, &page_area, &border);
2615 view_rect_to_doc_rect (view, &view_rect, &page_area, &doc_rect);
2616 child->orig_x = doc_rect.x1;
2617 child->orig_y = doc_rect.y1;
2621 ev_view_annotation_save_contents (EvView *view,
2623 EvAnnotation *annot)
2625 if (!view->document)
2628 ev_document_doc_mutex_lock ();
2629 ev_document_annotations_save_annotation (EV_DOCUMENT_ANNOTATIONS (view->document),
2630 annot, EV_ANNOTATIONS_SAVE_CONTENTS);
2631 ev_document_doc_mutex_unlock ();
2635 ev_view_create_annotation_window (EvView *view,
2636 EvAnnotation *annot,
2640 EvRectangle doc_rect;
2641 GdkRectangle view_rect;
2644 window = ev_annotation_window_new (annot, parent);
2645 g_signal_connect (window, "grab_focus",
2646 G_CALLBACK (annotation_window_grab_focus),
2648 g_signal_connect (window, "closed",
2649 G_CALLBACK (annotation_window_closed),
2651 g_signal_connect (window, "moved",
2652 G_CALLBACK (annotation_window_moved),
2654 g_signal_connect_swapped (annot, "notify::contents",
2655 G_CALLBACK (ev_view_annotation_save_contents),
2657 g_object_set_data (G_OBJECT (annot), "popup", window);
2659 page = ev_annotation_get_page_index (annot);
2660 ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (window), &doc_rect);
2661 doc_rect_to_view_rect (view, page, &doc_rect, &view_rect);
2662 view_rect.x -= view->scroll_x;
2663 view_rect.y -= view->scroll_y;
2665 ev_view_window_child_put (view, window, page,
2666 view_rect.x, view_rect.y,
2667 doc_rect.x1, doc_rect.y1);
2673 show_annotation_windows (EvView *view,
2676 EvMappingList *annots;
2680 parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
2682 annots = ev_page_cache_get_annot_mapping (view->page_cache, page);
2684 for (l = ev_mapping_list_get_list (annots); l && l->data; l = g_list_next (l)) {
2685 EvAnnotation *annot;
2686 EvViewWindowChild *child;
2689 annot = ((EvMapping *)(l->data))->data;
2691 if (!EV_IS_ANNOTATION_MARKUP (annot))
2694 if (!ev_annotation_markup_has_popup (EV_ANNOTATION_MARKUP (annot)))
2697 window = g_object_get_data (G_OBJECT (annot), "popup");
2699 ev_view_window_child_move_with_parent (view, window);
2703 /* Look if we already have a popup for this annot */
2704 child = ev_view_find_window_child_for_annot (view, page, annot);
2705 window = child ? child->window : NULL;
2707 ev_annotation_window_set_annotation (EV_ANNOTATION_WINDOW (window), annot);
2708 g_object_set_data (G_OBJECT (annot), "popup", window);
2709 ev_view_window_child_move_with_parent (view, window);
2711 ev_view_create_annotation_window (view, annot, parent);
2717 hide_annotation_windows (EvView *view,
2720 EvMappingList *annots;
2723 annots = ev_page_cache_get_annot_mapping (view->page_cache, page);
2725 for (l = ev_mapping_list_get_list (annots); l && l->data; l = g_list_next (l)) {
2726 EvAnnotation *annot;
2729 annot = ((EvMapping *)(l->data))->data;
2731 if (!EV_IS_ANNOTATION_MARKUP (annot))
2734 window = g_object_get_data (G_OBJECT (annot), "popup");
2736 gtk_widget_hide (window);
2740 static EvAnnotation *
2741 ev_view_get_annotation_at_location (EvView *view,
2746 gint x_new = 0, y_new = 0;
2747 EvMappingList *annotations_mapping;
2749 if (!EV_IS_DOCUMENT_ANNOTATIONS (view->document))
2752 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
2755 annotations_mapping = ev_page_cache_get_annot_mapping (view->page_cache, page);
2757 if (annotations_mapping)
2758 return ev_mapping_list_get_data (annotations_mapping, x_new, y_new);
2764 ev_view_annotation_show_popup_window (EvView *view,
2767 EvViewWindowChild *child;
2772 child = ev_view_get_window_child (view, window);
2773 if (!child->visible) {
2774 child->visible = TRUE;
2775 ev_view_window_child_move (view, child, child->x, child->y);
2776 gtk_widget_show (window);
2781 ev_view_handle_annotation (EvView *view,
2782 EvAnnotation *annot,
2787 if (EV_IS_ANNOTATION_MARKUP (annot)) {
2790 window = g_object_get_data (G_OBJECT (annot), "popup");
2791 ev_view_annotation_show_popup_window (view, window);
2794 if (EV_IS_ANNOTATION_ATTACHMENT (annot)) {
2795 EvAttachment *attachment;
2797 attachment = ev_annotation_attachment_get_attachment (EV_ANNOTATION_ATTACHMENT (annot));
2799 GError *error = NULL;
2801 ev_attachment_open (attachment,
2802 gtk_widget_get_screen (GTK_WIDGET (view)),
2807 g_warning ("%s", error->message);
2808 g_error_free (error);
2815 ev_view_create_annotation (EvView *view,
2816 EvAnnotationType annot_type,
2820 EvAnnotation *annot;
2822 GdkRectangle page_area;
2824 EvRectangle doc_rect, popup_rect;
2826 GdkColor color = { 0, 65535, 65535, 0 };
2827 GdkRectangle view_rect;
2828 cairo_region_t *region;
2832 ev_view_get_page_extents (view, view->current_page, &page_area, &border);
2833 view_point_to_doc_point (view, &point, &page_area,
2834 &doc_rect.x1, &doc_rect.y1);
2835 doc_rect.x2 = doc_rect.x1 + 24;
2836 doc_rect.y2 = doc_rect.y1 + 24;
2838 ev_document_doc_mutex_lock ();
2839 page = ev_document_get_page (view->document, view->current_page);
2840 switch (annot_type) {
2841 case EV_ANNOTATION_TYPE_TEXT:
2842 annot = ev_annotation_text_new (page);
2844 case EV_ANNOTATION_TYPE_ATTACHMENT:
2846 g_object_unref (page);
2847 ev_document_doc_mutex_unlock ();
2850 g_assert_not_reached ();
2852 g_object_unref (page);
2854 ev_annotation_set_color (annot, &color);
2856 if (EV_IS_ANNOTATION_MARKUP (annot)) {
2857 popup_rect.x1 = doc_rect.x2;
2858 popup_rect.x2 = popup_rect.x1 + 200;
2859 popup_rect.y1 = doc_rect.y2;
2860 popup_rect.y2 = popup_rect.y1 + 150;
2861 g_object_set (annot,
2862 "rectangle", &popup_rect,
2864 "popup_is_open", FALSE,
2865 "label", g_get_real_name (),
2869 ev_document_annotations_add_annotation (EV_DOCUMENT_ANNOTATIONS (view->document),
2871 ev_document_doc_mutex_unlock ();
2873 /* If the page didn't have annots, mark the cache as dirty */
2874 if (!ev_page_cache_get_annot_mapping (view->page_cache, view->current_page))
2875 ev_page_cache_mark_dirty (view->page_cache, view->current_page);
2877 if (EV_IS_ANNOTATION_MARKUP (annot)) {
2881 parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
2882 window = ev_view_create_annotation_window (view, annot, parent);
2884 /* Show the annot window the first time */
2885 ev_view_annotation_show_popup_window (view, window);
2888 doc_rect_to_view_rect (view, view->current_page, &doc_rect, &view_rect);
2889 view_rect.x -= view->scroll_x;
2890 view_rect.y -= view->scroll_y;
2891 region = cairo_region_create_rectangle (&view_rect);
2892 ev_view_reload_page (view, view->current_page, region);
2893 cairo_region_destroy (region);
2895 g_signal_emit (view, signals[SIGNAL_ANNOT_ADDED], 0, annot);
2899 ev_view_focus_annotation (EvView *view,
2900 EvMapping *annot_mapping)
2902 GdkRectangle view_rect;
2903 EvAnnotation *annot;
2906 if (!EV_IS_DOCUMENT_ANNOTATIONS (view->document))
2909 if (view->focus_annotation == annot_mapping)
2912 view->focus_annotation = annot_mapping;
2913 annot = (EvAnnotation *)annot_mapping->data;
2915 page = ev_annotation_get_page_index (annot);
2916 ev_document_model_set_page (view->model, page);
2918 doc_rect_to_view_rect (view, page,
2919 &annot_mapping->area, &view_rect);
2920 ensure_rectangle_is_visible (view, &view_rect);
2921 gtk_widget_queue_draw (GTK_WIDGET (view));
2925 ev_view_begin_add_annotation (EvView *view,
2926 EvAnnotationType annot_type)
2928 if (annot_type == EV_ANNOTATION_TYPE_UNKNOWN)
2931 if (view->adding_annot)
2934 view->adding_annot = TRUE;
2935 view->adding_annot_type = annot_type;
2936 ev_view_set_cursor (view, EV_VIEW_CURSOR_ADD);
2940 ev_view_cancel_add_annotation (EvView *view)
2944 if (!view->adding_annot)
2947 view->adding_annot = FALSE;
2948 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
2949 ev_view_handle_cursor_over_xy (view, x, y);
2953 ev_view_synctex_backward_search (EvView *view,
2958 gint x_new = 0, y_new = 0;
2961 if (!ev_document_has_synctex (view->document))
2964 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
2967 link = ev_document_synctex_backward_search (view->document, page, x_new, y_new);
2969 g_signal_emit (view, signals[SIGNAL_SYNC_SOURCE], 0, link);
2978 /*** GtkWidget implementation ***/
2981 ev_view_size_request_continuous_dual_page (EvView *view,
2982 GtkRequisition *requisition)
2986 n_pages = ev_document_get_n_pages (view->document) + 1;
2987 get_page_y_offset (view, n_pages, &requisition->height);
2989 switch (view->sizing_mode) {
2990 case EV_SIZING_FIT_WIDTH:
2991 case EV_SIZING_BEST_FIT:
2992 requisition->width = 1;
2995 case EV_SIZING_FREE: {
2999 ev_view_get_max_page_size (view, &max_width, NULL);
3000 compute_border (view, max_width, max_width, &border);
3001 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
3005 g_assert_not_reached ();
3010 ev_view_size_request_continuous (EvView *view,
3011 GtkRequisition *requisition)
3015 n_pages = ev_document_get_n_pages (view->document);
3016 get_page_y_offset (view, n_pages, &requisition->height);
3018 switch (view->sizing_mode) {
3019 case EV_SIZING_FIT_WIDTH:
3020 case EV_SIZING_BEST_FIT:
3021 requisition->width = 1;
3024 case EV_SIZING_FREE: {
3028 ev_view_get_max_page_size (view, &max_width, NULL);
3029 compute_border (view, max_width, max_width, &border);
3030 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
3034 g_assert_not_reached ();
3039 ev_view_size_request_dual_page (EvView *view,
3040 GtkRequisition *requisition)
3045 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
3046 requisition->width = 1;
3047 requisition->height = 1;
3052 /* Find the largest of the two. */
3053 ev_view_get_page_size (view,
3056 if (view->current_page + 1 < ev_document_get_n_pages (view->document)) {
3057 gint width_2, height_2;
3058 ev_view_get_page_size (view,
3059 view->current_page + 1,
3060 &width_2, &height_2);
3061 if (width_2 > width) {
3066 compute_border (view, width, height, &border);
3068 requisition->width = view->sizing_mode == EV_SIZING_FIT_WIDTH ? 1 :
3069 ((width + border.left + border.right) * 2) + (view->spacing * 3);
3070 requisition->height = (height + border.top + border.bottom) + (view->spacing * 2);
3074 ev_view_size_request_single_page (EvView *view,
3075 GtkRequisition *requisition)
3080 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
3081 requisition->width = 1;
3082 requisition->height = 1;
3087 ev_view_get_page_size (view, view->current_page, &width, &height);
3088 compute_border (view, width, height, &border);
3090 requisition->width = view->sizing_mode == EV_SIZING_FIT_WIDTH ? 1 :
3091 width + border.left + border.right + (2 * view->spacing);
3092 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
3096 ev_view_size_request (GtkWidget *widget,
3097 GtkRequisition *requisition)
3099 EvView *view = EV_VIEW (widget);
3101 if (view->document == NULL) {
3102 view->requisition.width = 1;
3103 view->requisition.height = 1;
3105 *requisition = view->requisition;
3110 /* Get zoom for size here when not called from
3111 * ev_view_size_allocate()
3113 if (!view->internal_size_request &&
3114 (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
3115 view->sizing_mode == EV_SIZING_BEST_FIT)) {
3116 GtkAllocation allocation;
3118 gtk_widget_get_allocation (widget, &allocation);
3119 ev_view_zoom_for_size (view,
3124 if (view->continuous && view->dual_page)
3125 ev_view_size_request_continuous_dual_page (view, &view->requisition);
3126 else if (view->continuous)
3127 ev_view_size_request_continuous (view, &view->requisition);
3128 else if (view->dual_page)
3129 ev_view_size_request_dual_page (view, &view->requisition);
3131 ev_view_size_request_single_page (view, &view->requisition);
3133 *requisition = view->requisition;
3137 ev_view_get_preferred_width (GtkWidget *widget,
3141 GtkRequisition requisition;
3143 ev_view_size_request (widget, &requisition);
3145 *minimum = *natural = requisition.width;
3149 ev_view_get_preferred_height (GtkWidget *widget,
3153 GtkRequisition requisition;
3155 ev_view_size_request (widget, &requisition);
3157 *minimum = *natural = requisition.height;
3161 ev_view_size_allocate (GtkWidget *widget,
3162 GtkAllocation *allocation)
3164 EvView *view = EV_VIEW (widget);
3165 GList *children, *l;
3166 gint root_x, root_y;
3168 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
3170 if (!view->document)
3173 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
3174 view->sizing_mode == EV_SIZING_BEST_FIT) {
3177 ev_view_zoom_for_size (view,
3179 allocation->height);
3180 view->internal_size_request = TRUE;
3181 ev_view_size_request (widget, &req);
3182 view->internal_size_request = FALSE;
3185 ev_view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
3186 ev_view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
3189 view_update_range_and_current_page (view);
3191 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
3192 view->pending_resize = FALSE;
3193 view->pending_point.x = 0;
3194 view->pending_point.y = 0;
3196 children = gtk_container_get_children (GTK_CONTAINER (widget));
3197 for (l = children; l && l->data; l = g_list_next (l)) {
3199 GdkRectangle view_area;
3200 EvMappingList *form_field_mapping;
3201 GtkAllocation child_allocation;
3202 GtkRequisition child_requisition;
3203 GtkWidget *child = (GtkWidget *)l->data;
3205 field = g_object_get_data (G_OBJECT (child), "form-field");
3209 form_field_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
3210 field->page->index);
3211 ev_view_get_area_from_mapping (view, field->page->index,
3215 gtk_widget_get_preferred_size (child, &child_requisition, NULL);
3216 if (child_requisition.width != view_area.width ||
3217 child_requisition.height != view_area.height)
3218 gtk_widget_set_size_request (child, view_area.width, view_area.height);
3220 gtk_container_child_get (GTK_CONTAINER (widget),
3222 "x", &child_allocation.x,
3223 "y", &child_allocation.y,
3225 if (child_allocation.x != view_area.x ||
3226 child_allocation.y != view_area.y) {
3227 gtk_fixed_move (GTK_FIXED (widget), child, view_area.x, view_area.y);
3230 g_list_free (children);
3232 if (view->window_children)
3233 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
3236 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
3237 EvViewWindowChild *child;
3238 EvRectangle doc_rect;
3239 GdkRectangle view_rect;
3241 child = (EvViewWindowChild *)l->data;
3243 ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (child->window), &doc_rect);
3245 doc_rect.x1 = child->orig_x;
3246 doc_rect.y1 = child->orig_y;
3248 doc_rect_to_view_rect (view, child->page, &doc_rect, &view_rect);
3249 view_rect.x -= view->scroll_x;
3250 view_rect.y -= view->scroll_y;
3252 if (view_rect.x != child->orig_x || view_rect.y != child->orig_y) {
3253 child->parent_x = root_x;
3254 child->parent_y = root_y;
3255 ev_view_window_child_move (view, child, view_rect.x + root_x, view_rect.y + root_y);
3261 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
3263 EvView *view = EV_VIEW (widget);
3266 state = event->state & gtk_accelerator_get_default_mod_mask ();
3268 if (state == GDK_CONTROL_MASK) {
3269 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
3270 if (event->direction == GDK_SCROLL_UP ||
3271 event->direction == GDK_SCROLL_LEFT) {
3272 if (ev_view_can_zoom_in (view)) {
3273 ev_view_zoom_in (view);
3276 if (ev_view_can_zoom_out (view)) {
3277 ev_view_zoom_out (view);
3284 view->jump_to_find_result = FALSE;
3286 /* Shift+Wheel scrolls the in the perpendicular direction */
3287 if (state & GDK_SHIFT_MASK) {
3288 if (event->direction == GDK_SCROLL_UP)
3289 event->direction = GDK_SCROLL_LEFT;
3290 else if (event->direction == GDK_SCROLL_LEFT)
3291 event->direction = GDK_SCROLL_UP;
3292 else if (event->direction == GDK_SCROLL_DOWN)
3293 event->direction = GDK_SCROLL_RIGHT;
3294 else if (event->direction == GDK_SCROLL_RIGHT)
3295 event->direction = GDK_SCROLL_DOWN;
3297 event->state &= ~GDK_SHIFT_MASK;
3298 state &= ~GDK_SHIFT_MASK;
3301 if (state == 0 && view->sizing_mode == EV_SIZING_BEST_FIT && !view->continuous) {
3302 switch (event->direction) {
3303 case GDK_SCROLL_DOWN:
3304 case GDK_SCROLL_RIGHT:
3305 ev_view_next_page (view);
3308 case GDK_SCROLL_LEFT:
3309 ev_view_previous_page (view);
3319 static EvViewSelection *
3320 find_selection_for_page (EvView *view,
3325 for (list = view->selection_info.selections; list != NULL; list = list->next) {
3326 EvViewSelection *selection;
3328 selection = (EvViewSelection *) list->data;
3330 if (selection->page == page)
3338 ev_view_draw (GtkWidget *widget,
3341 EvView *view = EV_VIEW (widget);
3343 GdkRectangle clip_rect;
3345 if (view->loading) {
3346 show_loading_window (view);
3347 } else if (view->loading_window &&
3348 gtk_widget_get_visible (view->loading_window)) {
3349 ev_view_loading_window_move (view);
3352 if (view->document == NULL)
3355 if (!gdk_cairo_get_clip_rectangle (cr, &clip_rect))
3358 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
3359 GdkRectangle page_area;
3361 gboolean page_ready = TRUE;
3363 if (!ev_view_get_page_extents (view, i, &page_area, &border))
3366 page_area.x -= view->scroll_x;
3367 page_area.y -= view->scroll_y;
3369 draw_one_page (view, i, cr, &page_area, &border, &clip_rect, &page_ready);
3371 if (page_ready && view->find_pages && view->highlight_find_results)
3372 highlight_find_results (view, cr, i);
3373 if (page_ready && EV_IS_DOCUMENT_ANNOTATIONS (view->document))
3374 show_annotation_windows (view, i);
3375 if (page_ready && view->focus_annotation)
3376 focus_annotation (view, cr, i, &clip_rect);
3377 if (page_ready && view->synctex_result)
3378 highlight_forward_search_results (view, cr, i);
3381 if (GTK_WIDGET_CLASS (ev_view_parent_class)->draw)
3382 GTK_WIDGET_CLASS (ev_view_parent_class)->draw (widget, cr);
3388 ev_view_do_popup_menu (EvView *view,
3392 GList *items = NULL;
3395 EvAnnotation *annot;
3397 image = ev_view_get_image_at_location (view, x, y);
3399 items = g_list_prepend (items, image);
3401 link = ev_view_get_link_at_location (view, x, y);
3403 items = g_list_prepend (items, link);
3405 annot = ev_view_get_annotation_at_location (view, x, y);
3407 items = g_list_prepend (items, annot);
3409 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, items);
3411 g_list_free (items);
3417 ev_view_popup_menu (GtkWidget *widget)
3421 gtk_widget_get_pointer (widget, &x, &y);
3422 return ev_view_do_popup_menu (EV_VIEW (widget), x, y);
3426 get_link_area (EvView *view,
3432 EvMappingList *link_mapping;
3434 gint x_offset = 0, y_offset = 0;
3436 x += view->scroll_x;
3437 y += view->scroll_y;
3439 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3441 link_mapping = ev_page_cache_get_link_mapping (view->page_cache, page);
3442 ev_view_get_area_from_mapping (view, page,
3448 get_annot_area (EvView *view,
3451 EvAnnotation *annot,
3454 EvMappingList *annot_mapping;
3456 gint x_offset = 0, y_offset = 0;
3458 x += view->scroll_x;
3459 y += view->scroll_y;
3461 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3463 annot_mapping = ev_page_cache_get_annot_mapping (view->page_cache, page);
3464 ev_view_get_area_from_mapping (view, page,
3470 ev_view_query_tooltip (GtkWidget *widget,
3473 gboolean keyboard_tip,
3474 GtkTooltip *tooltip)
3476 EvView *view = EV_VIEW (widget);
3478 EvAnnotation *annot;
3481 annot = ev_view_get_annotation_at_location (view, x, y);
3483 const gchar *contents;
3485 if ((contents = ev_annotation_get_contents (annot))) {
3486 GdkRectangle annot_area;
3488 get_annot_area (view, x, y, annot, &annot_area);
3489 gtk_tooltip_set_text (tooltip, contents);
3490 gtk_tooltip_set_tip_area (tooltip, &annot_area);
3496 link = ev_view_get_link_at_location (view, x, y);
3500 text = tip_from_link (view, link);
3501 if (text && g_utf8_validate (text, -1, NULL)) {
3502 GdkRectangle link_area;
3504 get_link_area (view, x, y, link, &link_area);
3505 gtk_tooltip_set_text (tooltip, text);
3506 gtk_tooltip_set_tip_area (tooltip, &link_area);
3517 start_selection_for_event (EvView *view,
3518 GdkEventButton *event)
3520 clear_selection (view);
3522 view->selection_info.start.x = event->x + view->scroll_x;
3523 view->selection_info.start.y = event->y + view->scroll_y;
3525 switch (event->type) {
3526 case GDK_2BUTTON_PRESS:
3527 view->selection_info.style = EV_SELECTION_STYLE_WORD;
3529 case GDK_3BUTTON_PRESS:
3530 view->selection_info.style = EV_SELECTION_STYLE_LINE;
3533 view->selection_info.style = EV_SELECTION_STYLE_GLYPH;
3537 /* In case of WORD or LINE, compute selections now */
3538 compute_selections (view,
3539 view->selection_info.style,
3540 &(view->selection_info.start),
3541 &(view->selection_info.start));
3545 ev_view_button_press_event (GtkWidget *widget,
3546 GdkEventButton *event)
3548 EvView *view = EV_VIEW (widget);
3550 if (!view->document)
3553 if (!gtk_widget_has_focus (widget)) {
3554 gtk_widget_grab_focus (widget);
3557 if (view->window_child_focus) {
3558 EvAnnotationWindow *window;
3559 EvAnnotation *annot;
3561 window = EV_ANNOTATION_WINDOW (view->window_child_focus->window);
3562 annot = ev_annotation_window_get_annotation (window);
3563 ev_annotation_window_ungrab_focus (window);
3564 view->window_child_focus = NULL;
3567 view->pressed_button = event->button;
3568 view->selection_info.in_drag = FALSE;
3570 if (view->adding_annot)
3573 if (view->scroll_info.autoscrolling)
3576 switch (event->button) {
3579 EvAnnotation *annot;
3582 if (event->state & GDK_CONTROL_MASK)
3583 return ev_view_synctex_backward_search (view, event->x , event->y);
3585 if (EV_IS_SELECTION (view->document) && view->selection_info.selections) {
3586 if (event->type == GDK_3BUTTON_PRESS) {
3587 start_selection_for_event (view, event);
3588 } else if (location_in_selected_text (view,
3589 event->x + view->scroll_x,
3590 event->y + view->scroll_y)) {
3591 view->selection_info.in_drag = TRUE;
3593 start_selection_for_event (view, event);
3596 gtk_widget_queue_draw (widget);
3597 } else if ((annot = ev_view_get_annotation_at_location (view, event->x, event->y))) {
3598 ev_view_handle_annotation (view, annot, event->x, event->y, event->time);
3599 } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) {
3600 ev_view_remove_all (view);
3601 ev_view_handle_form_field (view, field, event->x, event->y);
3602 } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) &&
3603 (image = ev_view_get_image_at_location (view, event->x, event->y))) {
3604 if (view->image_dnd_info.image)
3605 g_object_unref (view->image_dnd_info.image);
3606 view->image_dnd_info.image = g_object_ref (image);
3607 view->image_dnd_info.in_drag = TRUE;
3609 view->image_dnd_info.start.x = event->x + view->scroll_x;
3610 view->image_dnd_info.start.y = event->y + view->scroll_y;
3612 ev_view_remove_all (view);
3614 if (view->synctex_result) {
3615 g_free (view->synctex_result);
3616 view->synctex_result = NULL;
3617 gtk_widget_queue_draw (widget);
3620 if (view->focus_annotation)
3621 view->focus_annotation = NULL;
3623 if (EV_IS_SELECTION (view->document))
3624 start_selection_for_event (view, event);
3629 /* use root coordinates as reference point because
3630 * scrolling changes window relative coordinates */
3631 view->drag_info.start.x = event->x_root;
3632 view->drag_info.start.y = event->y_root;
3633 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
3634 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
3636 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
3640 view->scroll_info.start_y = event->y;
3641 return ev_view_do_popup_menu (view, event->x, event->y);
3648 ev_view_remove_all (EvView *view)
3650 GList *children, *child;
3652 children = gtk_container_get_children (GTK_CONTAINER (view));
3653 for (child = children; child && child->data; child = g_list_next (child)) {
3654 gtk_container_remove (GTK_CONTAINER (view),
3655 GTK_WIDGET (child->data));
3657 g_list_free (children);
3660 /*** Drag and Drop ***/
3662 ev_view_drag_data_get (GtkWidget *widget,
3663 GdkDragContext *context,
3664 GtkSelectionData *selection_data,
3668 EvView *view = EV_VIEW (widget);
3671 case TARGET_DND_TEXT:
3672 if (EV_IS_SELECTION (view->document) &&
3673 view->selection_info.selections) {
3676 text = get_selected_text (view);
3677 gtk_selection_data_set_text (selection_data,
3683 case TARGET_DND_IMAGE:
3684 if (view->image_dnd_info.image) {
3687 ev_document_doc_mutex_lock ();
3688 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3689 view->image_dnd_info.image);
3690 ev_document_doc_mutex_unlock ();
3692 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
3693 g_object_unref (pixbuf);
3696 case TARGET_DND_URI:
3697 if (view->image_dnd_info.image) {
3699 const gchar *tmp_uri;
3702 ev_document_doc_mutex_lock ();
3703 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3704 view->image_dnd_info.image);
3705 ev_document_doc_mutex_unlock ();
3707 tmp_uri = ev_image_save_tmp (view->image_dnd_info.image, pixbuf);
3708 g_object_unref (pixbuf);
3710 uris[0] = (gchar *)tmp_uri;
3712 gtk_selection_data_set_uris (selection_data, uris);
3718 ev_view_drag_motion (GtkWidget *widget,
3719 GdkDragContext *context,
3724 if (gtk_drag_get_source_widget (context) == widget)
3725 gdk_drag_status (context, 0, time);
3727 gdk_drag_status (context, gdk_drag_context_get_suggested_action (context), time);
3733 selection_update_idle_cb (EvView *view)
3735 compute_selections (view,
3736 view->selection_info.style,
3737 &view->selection_info.start,
3739 view->selection_update_id = 0;
3744 selection_scroll_timeout_cb (EvView *view)
3746 gint x, y, shift = 0;
3747 GtkWidget *widget = GTK_WIDGET (view);
3748 GtkAllocation allocation;
3750 gtk_widget_get_allocation (widget, &allocation);
3751 gtk_widget_get_pointer (widget, &x, &y);
3753 if (y > allocation.height) {
3754 shift = (y - allocation.height) / 2;
3760 gtk_adjustment_set_value (view->vadjustment,
3761 CLAMP (gtk_adjustment_get_value (view->vadjustment) + shift,
3762 gtk_adjustment_get_lower (view->vadjustment),
3763 gtk_adjustment_get_upper (view->vadjustment) -
3764 gtk_adjustment_get_page_size (view->vadjustment)));
3766 if (x > allocation.width) {
3767 shift = (x - allocation.width) / 2;
3773 gtk_adjustment_set_value (view->hadjustment,
3774 CLAMP (gtk_adjustment_get_value (view->hadjustment) + shift,
3775 gtk_adjustment_get_lower (view->hadjustment),
3776 gtk_adjustment_get_upper (view->hadjustment) -
3777 gtk_adjustment_get_page_size (view->hadjustment)));
3783 ev_view_drag_update_momentum (EvView *view)
3786 if (!view->drag_info.in_drag)
3789 for (i = DRAG_HISTORY - 1; i > 0; i--) {
3790 view->drag_info.buffer[i].x = view->drag_info.buffer[i-1].x;
3791 view->drag_info.buffer[i].y = view->drag_info.buffer[i-1].y;
3794 /* Momentum is a moving average of 10ms granularity over
3795 * the last 100ms with each 10ms stored in buffer.
3798 view->drag_info.momentum.x = (view->drag_info.buffer[DRAG_HISTORY - 1].x - view->drag_info.buffer[0].x);
3799 view->drag_info.momentum.y = (view->drag_info.buffer[DRAG_HISTORY - 1].y - view->drag_info.buffer[0].y);
3805 ev_view_scroll_drag_release (EvView *view)
3807 gdouble dhadj_value, dvadj_value;
3808 gdouble oldhadjustment, oldvadjustment;
3809 gdouble h_page_size, v_page_size;
3810 gdouble h_upper, v_upper;
3811 GtkAllocation allocation;
3813 view->drag_info.momentum.x /= 1.2;
3814 view->drag_info.momentum.y /= 1.2; /* Alter these constants to change "friction" */
3816 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
3818 h_page_size = gtk_adjustment_get_page_size (view->hadjustment);
3819 v_page_size = gtk_adjustment_get_page_size (view->vadjustment);
3821 dhadj_value = h_page_size *
3822 (gdouble)view->drag_info.momentum.x / allocation.width;
3823 dvadj_value = v_page_size *
3824 (gdouble)view->drag_info.momentum.y / allocation.height;
3826 oldhadjustment = gtk_adjustment_get_value (view->hadjustment);
3827 oldvadjustment = gtk_adjustment_get_value (view->vadjustment);
3829 h_upper = gtk_adjustment_get_upper (view->hadjustment);
3830 v_upper = gtk_adjustment_get_upper (view->vadjustment);
3832 /* When we reach the edges, we need either to absorb some momentum and bounce by
3833 * multiplying it on -0.5 or stop scrolling by setting momentum to 0. */
3834 if (((oldhadjustment + dhadj_value) > (h_upper - h_page_size)) ||
3835 ((oldhadjustment + dhadj_value) < 0))
3836 view->drag_info.momentum.x = 0;
3837 if (((oldvadjustment + dvadj_value) > (v_upper - v_page_size)) ||
3838 ((oldvadjustment + dvadj_value) < 0))
3839 view->drag_info.momentum.y = 0;
3841 gtk_adjustment_set_value (view->hadjustment,
3842 MIN (oldhadjustment + dhadj_value,
3843 h_upper - h_page_size));
3844 gtk_adjustment_set_value (view->vadjustment,
3845 MIN (oldvadjustment + dvadj_value,
3846 v_upper - v_page_size));
3848 if (((view->drag_info.momentum.x < 1) && (view->drag_info.momentum.x > -1)) &&
3849 ((view->drag_info.momentum.y < 1) && (view->drag_info.momentum.y > -1)))
3856 ev_view_motion_notify_event (GtkWidget *widget,
3857 GdkEventMotion *event)
3859 EvView *view = EV_VIEW (widget);
3863 if (!view->document)
3866 window = gtk_widget_get_window (widget);
3868 if (event->is_hint || event->window != window) {
3869 gtk_widget_get_pointer (widget, &x, &y);
3875 if (view->scroll_info.autoscrolling) {
3876 view->scroll_info.last_y = y;
3880 if (view->selection_info.in_drag) {
3881 if (gtk_drag_check_threshold (widget,
3882 view->selection_info.start.x,
3883 view->selection_info.start.y,
3885 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3887 gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT);
3889 gtk_drag_begin (widget, target_list,
3891 1, (GdkEvent *)event);
3893 view->selection_info.in_drag = FALSE;
3895 gtk_target_list_unref (target_list);
3899 } else if (view->image_dnd_info.in_drag) {
3900 if (gtk_drag_check_threshold (widget,
3901 view->selection_info.start.x,
3902 view->selection_info.start.y,
3904 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3906 gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI);
3907 gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE);
3909 gtk_drag_begin (widget, target_list,
3911 1, (GdkEvent *)event);
3913 view->image_dnd_info.in_drag = FALSE;
3915 gtk_target_list_unref (target_list);
3921 switch (view->pressed_button) {
3923 /* For the Evince 0.4.x release, we limit selection to un-rotated
3926 if (view->rotation != 0)
3929 /* Schedule timeout to scroll during selection and additionally
3930 * scroll once to allow arbitrary speed. */
3931 if (!view->selection_scroll_id)
3932 view->selection_scroll_id = g_timeout_add (SCROLL_TIME,
3933 (GSourceFunc)selection_scroll_timeout_cb,
3936 selection_scroll_timeout_cb (view);
3938 view->selection_info.in_selection = TRUE;
3939 view->motion.x = x + view->scroll_x;
3940 view->motion.y = y + view->scroll_y;
3942 /* Queue an idle to handle the motion. We do this because
3943 * handling any selection events in the motion could be slower
3944 * than new motion events reach us. We always put it in the
3945 * idle to make sure we catch up and don't visibly lag the
3947 if (!view->selection_update_id)
3948 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
3952 if (!view->drag_info.in_drag) {
3956 start = gtk_drag_check_threshold (widget,
3957 view->drag_info.start.x,
3958 view->drag_info.start.y,
3961 view->drag_info.in_drag = start;
3962 view->drag_info.drag_timeout_id = g_timeout_add (10,
3963 (GSourceFunc)ev_view_drag_update_momentum, view);
3964 /* Set 100 to choose how long it takes to build up momentum */
3965 /* Clear out previous momentum info: */
3966 for (i = 0; i < DRAG_HISTORY; i++) {
3967 view->drag_info.buffer[i].x = event->x;
3968 view->drag_info.buffer[i].y = event->y;
3970 view->drag_info.momentum.x = 0;
3971 view->drag_info.momentum.y = 0;
3974 if (view->drag_info.in_drag) {
3976 gdouble dhadj_value, dvadj_value;
3977 GtkAllocation allocation;
3979 view->drag_info.buffer[0].x = event->x;
3980 view->drag_info.buffer[0].y = event->y;
3982 dx = event->x_root - view->drag_info.start.x;
3983 dy = event->y_root - view->drag_info.start.y;
3985 gtk_widget_get_allocation (widget, &allocation);
3987 dhadj_value = gtk_adjustment_get_page_size (view->hadjustment) *
3988 (gdouble)dx / allocation.width;
3989 dvadj_value = gtk_adjustment_get_page_size (view->vadjustment) *
3990 (gdouble)dy / allocation.height;
3992 /* clamp scrolling to visible area */
3993 gtk_adjustment_set_value (view->hadjustment,
3994 MIN (view->drag_info.hadj - dhadj_value,
3995 gtk_adjustment_get_upper (view->hadjustment) -
3996 gtk_adjustment_get_page_size (view->hadjustment)));
3997 gtk_adjustment_set_value (view->vadjustment,
3998 MIN (view->drag_info.vadj - dvadj_value,
3999 gtk_adjustment_get_upper (view->vadjustment) -
4000 gtk_adjustment_get_page_size (view->vadjustment)));
4007 ev_view_handle_cursor_over_xy (view, x, y);
4014 ev_view_button_release_event (GtkWidget *widget,
4015 GdkEventButton *event)
4017 EvView *view = EV_VIEW (widget);
4018 EvLink *link = NULL;
4020 view->image_dnd_info.in_drag = FALSE;
4022 if (view->scroll_info.autoscrolling) {
4023 ev_view_autoscroll_stop (view);
4024 view->pressed_button = -1;
4029 if (view->pressed_button == 1 && event->state & GDK_CONTROL_MASK) {
4030 view->pressed_button = -1;
4034 if (view->drag_info.in_drag) {
4035 view->drag_info.release_timeout_id =
4037 (GSourceFunc)ev_view_scroll_drag_release, view);
4040 if (view->document && !view->drag_info.in_drag && view->pressed_button != 3) {
4041 link = ev_view_get_link_at_location (view, event->x, event->y);
4044 view->drag_info.in_drag = FALSE;
4046 if (view->adding_annot && view->pressed_button == 1) {
4047 view->adding_annot = FALSE;
4048 ev_view_handle_cursor_over_xy (view, event->x, event->y);
4049 view->pressed_button = -1;
4051 ev_view_create_annotation (view,
4052 view->adding_annot_type,
4053 event->x + view->scroll_x,
4054 event->y + view->scroll_y);
4059 if (view->pressed_button == 2) {
4060 ev_view_handle_cursor_over_xy (view, event->x, event->y);
4063 view->pressed_button = -1;
4065 if (view->selection_scroll_id) {
4066 g_source_remove (view->selection_scroll_id);
4067 view->selection_scroll_id = 0;
4069 if (view->selection_update_id) {
4070 g_source_remove (view->selection_update_id);
4071 view->selection_update_id = 0;
4074 if (view->selection_info.selections) {
4075 clear_link_selected (view);
4076 ev_view_update_primary_selection (view);
4078 if (view->selection_info.in_drag) {
4079 clear_selection (view);
4080 gtk_widget_queue_draw (widget);
4083 view->selection_info.in_drag = FALSE;
4085 if (event->button == 2) {
4086 EvLinkAction *action;
4087 EvLinkActionType type;
4089 action = ev_link_get_action (link);
4093 type = ev_link_action_get_action_type (action);
4094 if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
4095 g_signal_emit (view,
4096 signals[SIGNAL_EXTERNAL_LINK],
4100 ev_view_handle_link (view, link);
4108 ev_view_key_press_event (GtkWidget *widget,
4111 EvView *view = EV_VIEW (widget);
4113 if (!view->document)
4116 if (!gtk_widget_has_focus (widget)) {
4117 /* Forward key events to current focused window child */
4118 if (view->window_child_focus) {
4119 GdkEventKey *new_event;
4122 new_event = (GdkEventKey *) gdk_event_copy ((GdkEvent *)event);
4123 g_object_unref (new_event->window);
4124 new_event->window = gtk_widget_get_window (view->window_child_focus->window);
4125 if (new_event->window)
4126 g_object_ref (new_event->window);
4127 gtk_widget_realize (view->window_child_focus->window);
4128 handled = gtk_widget_event (view->window_child_focus->window, (GdkEvent *)new_event);
4129 gdk_event_free ((GdkEvent *)new_event);
4137 return gtk_bindings_activate_event (G_OBJECT (widget), event);
4141 ev_view_focus_in (GtkWidget *widget,
4142 GdkEventFocus *event)
4144 if (EV_VIEW (widget)->pixbuf_cache)
4145 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4146 gtk_widget_queue_draw (widget);
4152 ev_view_focus_out (GtkWidget *widget,
4153 GdkEventFocus *event)
4155 if (EV_VIEW (widget)->pixbuf_cache)
4156 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4157 gtk_widget_queue_draw (widget);
4163 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
4165 EvView *view = EV_VIEW (widget);
4167 if (view->cursor != EV_VIEW_CURSOR_NORMAL)
4168 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
4174 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
4176 EvView *view = EV_VIEW (widget);
4178 ev_view_handle_cursor_over_xy (view, event->x, event->y);
4184 ev_view_style_updated (GtkWidget *widget)
4186 if (EV_VIEW (widget)->pixbuf_cache)
4187 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4189 GTK_WIDGET_CLASS (ev_view_parent_class)->style_updated (widget);
4195 draw_rubberband (EvView *view,
4197 const GdkRectangle *rect,
4200 GtkStyleContext *context;
4203 context = gtk_widget_get_style_context (GTK_WIDGET (view));
4204 gtk_style_context_get_background_color (context, GTK_STATE_FLAG_SELECTED, &color);
4207 cairo_set_source_rgba (cr, color.red, color.green, color.blue, alpha);
4208 cairo_rectangle (cr,
4209 rect->x - view->scroll_x,
4210 rect->y - view->scroll_y,
4211 rect->width, rect->height);
4212 cairo_fill_preserve (cr);
4214 cairo_set_line_width (cr, 0.5);
4215 cairo_set_source_rgb (cr, color.red, color.green, color.blue);
4223 highlight_find_results (EvView *view,
4227 gint i, n_results = 0;
4228 n_results = ev_view_find_get_n_results (view, page);
4230 for (i = 0; i < n_results; i++) {
4231 EvRectangle *rectangle;
4232 GdkRectangle view_rectangle;
4235 if (i == view->find_result && page == view->current_page) {
4241 rectangle = ev_view_find_get_result (view, page, i);
4242 doc_rect_to_view_rect (view, page, rectangle, &view_rectangle);
4243 draw_rubberband (view, cr, &view_rectangle, alpha);
4248 highlight_forward_search_results (EvView *view,
4253 EvMapping *mapping = view->synctex_result;
4255 if (GPOINTER_TO_INT (mapping->data) != page)
4258 doc_rect_to_view_rect (view, page, &mapping->area, &rect);
4261 cairo_set_source_rgb (cr, 1., 0., 0.);
4262 cairo_rectangle (cr,
4263 rect.x - view->scroll_x,
4264 rect.y - view->scroll_y,
4265 rect.width, rect.height);
4271 focus_annotation (EvView *view,
4276 GtkWidget *widget = GTK_WIDGET (view);
4278 EvMapping *mapping = view->focus_annotation;
4279 EvAnnotation *annot = (EvAnnotation *)mapping->data;
4281 if (ev_annotation_get_page_index (annot) != page)
4284 doc_rect_to_view_rect (view, page, &mapping->area, &rect);
4286 gtk_render_focus (gtk_widget_get_style_context (widget),
4288 rect.x - view->scroll_x,
4289 rect.y - view->scroll_y,
4290 rect.width + 1, rect.height + 1);
4294 ev_view_loading_window_move (EvView *view)
4296 GtkWidget *widget = GTK_WIDGET (view);
4297 EvLoadingWindow *window = EV_LOADING_WINDOW (view->loading_window);
4298 gint root_x, root_y;
4300 GtkAllocation allocation;
4302 gtk_widget_get_allocation (widget, &allocation);
4303 gdk_window_get_origin (gtk_widget_get_window (widget), &root_x, &root_y);
4304 ev_loading_window_get_size (window, &window_width, NULL);
4306 root_x += allocation.width - window_width - 10;
4309 ev_loading_window_move (window, root_x, root_y);
4313 show_loading_window_cb (EvView *view)
4315 if (!view->loading_window) {
4319 parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
4320 view->loading_window = ev_loading_window_new (parent);
4322 /* Show the window off screen to get a valid size asap */
4323 screen = gtk_widget_get_screen (GTK_WIDGET (view));
4324 gtk_window_move (GTK_WINDOW (view->loading_window),
4325 gdk_screen_get_width (screen) + 1,
4326 gdk_screen_get_height (screen) + 1);
4327 gtk_widget_show (view->loading_window);
4330 ev_view_loading_window_move (view);
4332 gtk_widget_show (view->loading_window);
4334 view->loading_timeout = 0;
4340 show_loading_window (EvView *view)
4342 if (view->loading_window && gtk_widget_get_visible (view->loading_window)) {
4343 ev_view_loading_window_move (view);
4347 if (!view->loading_timeout) {
4348 view->loading_timeout =
4349 g_timeout_add_full (G_PRIORITY_LOW,
4350 0.5, (GSourceFunc)show_loading_window_cb,
4356 hide_loading_window (EvView *view)
4358 if (view->loading_timeout) {
4359 g_source_remove (view->loading_timeout);
4360 view->loading_timeout = 0;
4363 if (view->loading_window && gtk_widget_get_visible (view->loading_window)) {
4364 gtk_widget_hide (view->loading_window);
4369 draw_one_page (EvView *view,
4372 GdkRectangle *page_area,
4374 GdkRectangle *expose_area,
4375 gboolean *page_ready)
4377 GdkRectangle overlap;
4378 GdkRectangle real_page_area;
4380 gboolean inverted_colors;
4382 g_assert (view->document);
4384 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
4387 /* Render the document itself */
4388 real_page_area = *page_area;
4390 real_page_area.x += border->left;
4391 real_page_area.y += border->top;
4392 real_page_area.width -= (border->left + border->right);
4393 real_page_area.height -= (border->top + border->bottom);
4396 current_page = ev_document_model_get_page (view->model);
4397 inverted_colors = ev_document_model_get_inverted_colors (view->model);
4398 ev_document_misc_paint_one_page (cr,
4401 page == current_page,
4404 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
4406 gint page_width, page_height;
4407 cairo_surface_t *page_surface = NULL;
4408 gint selection_width, selection_height;
4409 cairo_surface_t *selection_surface = NULL;
4411 page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page);
4413 if (!page_surface) {
4414 if (page == current_page)
4415 show_loading_window (view);
4417 *page_ready = FALSE;
4422 if (page == current_page)
4423 hide_loading_window (view);
4425 ev_view_get_page_size (view, page, &width, &height);
4427 page_width = cairo_image_surface_get_width (page_surface);
4428 page_height = cairo_image_surface_get_height (page_surface);
4431 cairo_translate (cr, overlap.x, overlap.y);
4433 if (width != page_width || height != page_height) {
4434 cairo_pattern_set_filter (cairo_get_source (cr),
4437 (gdouble)width / page_width,
4438 (gdouble)height / page_height);
4441 cairo_surface_set_device_offset (page_surface,
4442 overlap.x - real_page_area.x,
4443 overlap.y - real_page_area.y);
4444 cairo_set_source_surface (cr, page_surface, 0, 0);
4448 /* Get the selection pixbuf iff we have something to draw */
4449 if (find_selection_for_page (view, page) &&
4450 view->selection_mode == EV_VIEW_SELECTION_TEXT) {
4452 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
4458 if (!selection_surface) {
4462 selection_width = cairo_image_surface_get_width (selection_surface);
4463 selection_height = cairo_image_surface_get_height (selection_surface);
4466 cairo_translate (cr, overlap.x, overlap.y);
4468 if (width != selection_width || height != selection_height) {
4469 cairo_pattern_set_filter (cairo_get_source (cr),
4472 (gdouble)width / selection_width,
4473 (gdouble)height / selection_height);
4476 cairo_surface_set_device_offset (selection_surface,
4477 overlap.x - real_page_area.x,
4478 overlap.y - real_page_area.y);
4480 cairo_set_source_surface (cr, selection_surface, 0, 0);
4486 /*** GObject functions ***/
4489 ev_view_finalize (GObject *object)
4491 EvView *view = EV_VIEW (object);
4493 clear_selection (view);
4494 clear_link_selected (view);
4496 if (view->synctex_result) {
4497 g_free (view->synctex_result);
4498 view->synctex_result = NULL;
4501 if (view->image_dnd_info.image)
4502 g_object_unref (view->image_dnd_info.image);
4503 view->image_dnd_info.image = NULL;
4505 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
4509 ev_view_dispose (GObject *object)
4511 EvView *view = EV_VIEW (object);
4514 g_object_unref (view->model);
4518 if (view->pixbuf_cache) {
4519 g_object_unref (view->pixbuf_cache);
4520 view->pixbuf_cache = NULL;
4523 if (view->document) {
4524 g_object_unref (view->document);
4525 view->document = NULL;
4528 if (view->page_cache) {
4529 g_object_unref (view->page_cache);
4530 view->page_cache = NULL;
4533 ev_view_window_children_free (view);
4535 if (view->selection_scroll_id) {
4536 g_source_remove (view->selection_scroll_id);
4537 view->selection_scroll_id = 0;
4540 if (view->selection_update_id) {
4541 g_source_remove (view->selection_update_id);
4542 view->selection_update_id = 0;
4545 if (view->scroll_info.timeout_id) {
4546 g_source_remove (view->scroll_info.timeout_id);
4547 view->scroll_info.timeout_id = 0;
4550 if (view->drag_info.drag_timeout_id) {
4551 g_source_remove (view->drag_info.drag_timeout_id);
4552 view->drag_info.drag_timeout_id = 0;
4555 if (view->drag_info.release_timeout_id) {
4556 g_source_remove (view->drag_info.release_timeout_id);
4557 view->drag_info.release_timeout_id = 0;
4560 if (view->loading_timeout) {
4561 g_source_remove (view->loading_timeout);
4562 view->loading_timeout = 0;
4565 gtk_scrollable_set_hadjustment (GTK_SCROLLABLE (view), NULL);
4566 gtk_scrollable_set_vadjustment (GTK_SCROLLABLE (view), NULL);
4568 G_OBJECT_CLASS (ev_view_parent_class)->dispose (object);
4572 ev_view_get_property (GObject *object,
4577 EvView *view = EV_VIEW (object);
4580 case PROP_HADJUSTMENT:
4581 g_value_set_object (value, view->hadjustment);
4583 case PROP_VADJUSTMENT:
4584 g_value_set_object (value, view->vadjustment);
4586 case PROP_HSCROLL_POLICY:
4587 g_value_set_enum (value, view->hscroll_policy);
4589 case PROP_VSCROLL_POLICY:
4590 g_value_set_enum (value, view->vscroll_policy);
4593 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
4599 ev_view_set_property (GObject *object,
4601 const GValue *value,
4604 EvView *view = EV_VIEW (object);
4607 case PROP_HADJUSTMENT:
4608 ev_view_set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL,
4609 (GtkAdjustment *) g_value_get_object (value));
4611 case PROP_VADJUSTMENT:
4612 ev_view_set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL,
4613 (GtkAdjustment *) g_value_get_object (value));
4615 case PROP_HSCROLL_POLICY:
4616 view->hscroll_policy = g_value_get_enum (value);
4617 gtk_widget_queue_resize (GTK_WIDGET (view));
4619 case PROP_VSCROLL_POLICY:
4620 view->vscroll_policy = g_value_get_enum (value);
4621 gtk_widget_queue_resize (GTK_WIDGET (view));
4624 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
4630 ev_view_get_accessible (GtkWidget *widget)
4632 static gboolean first_time = TRUE;
4635 AtkObjectFactory *factory;
4636 AtkRegistry *registry;
4638 GType derived_atk_type;
4641 * Figure out whether accessibility is enabled by looking at the
4642 * type of the accessible object which would be created for
4643 * the parent type of EvView.
4645 derived_type = g_type_parent (EV_TYPE_VIEW);
4647 registry = atk_get_default_registry ();
4648 factory = atk_registry_get_factory (registry,
4650 derived_atk_type = atk_object_factory_get_accessible_type (factory);
4651 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE)) {
4652 atk_registry_set_factory_type (registry,
4654 ev_view_accessible_factory_get_type ());
4655 EV_VIEW (widget)->a11y_enabled = TRUE;
4659 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
4663 ev_view_class_init (EvViewClass *class)
4665 GObjectClass *object_class = G_OBJECT_CLASS (class);
4666 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
4667 GtkBindingSet *binding_set;
4669 object_class->get_property = ev_view_get_property;
4670 object_class->set_property = ev_view_set_property;
4671 object_class->dispose = ev_view_dispose;
4672 object_class->finalize = ev_view_finalize;
4674 widget_class->draw = ev_view_draw;
4675 widget_class->button_press_event = ev_view_button_press_event;
4676 widget_class->motion_notify_event = ev_view_motion_notify_event;
4677 widget_class->button_release_event = ev_view_button_release_event;
4678 widget_class->key_press_event = ev_view_key_press_event;
4679 widget_class->focus_in_event = ev_view_focus_in;
4680 widget_class->focus_out_event = ev_view_focus_out;
4681 widget_class->get_accessible = ev_view_get_accessible;
4682 widget_class->get_preferred_width = ev_view_get_preferred_width;
4683 widget_class->get_preferred_height = ev_view_get_preferred_height;
4684 widget_class->size_allocate = ev_view_size_allocate;
4685 widget_class->scroll_event = ev_view_scroll_event;
4686 widget_class->enter_notify_event = ev_view_enter_notify_event;
4687 widget_class->leave_notify_event = ev_view_leave_notify_event;
4688 widget_class->style_updated = ev_view_style_updated;
4689 widget_class->drag_data_get = ev_view_drag_data_get;
4690 widget_class->drag_motion = ev_view_drag_motion;
4691 widget_class->popup_menu = ev_view_popup_menu;
4692 widget_class->query_tooltip = ev_view_query_tooltip;
4694 class->binding_activated = ev_view_scroll;
4696 /* Scrollable interface */
4697 g_object_class_override_property (object_class, PROP_HADJUSTMENT, "hadjustment");
4698 g_object_class_override_property (object_class, PROP_VADJUSTMENT, "vadjustment");
4699 g_object_class_override_property (object_class, PROP_HSCROLL_POLICY, "hscroll-policy");
4700 g_object_class_override_property (object_class, PROP_VSCROLL_POLICY, "vscroll-policy");
4702 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
4703 G_TYPE_FROM_CLASS (object_class),
4704 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4705 G_STRUCT_OFFSET (EvViewClass, binding_activated),
4707 ev_view_marshal_VOID__ENUM_BOOLEAN,
4709 GTK_TYPE_SCROLL_TYPE,
4711 signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link",
4712 G_TYPE_FROM_CLASS (object_class),
4713 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4714 G_STRUCT_OFFSET (EvViewClass, handle_link),
4716 g_cclosure_marshal_VOID__OBJECT,
4719 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
4720 G_TYPE_FROM_CLASS (object_class),
4721 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4722 G_STRUCT_OFFSET (EvViewClass, external_link),
4724 g_cclosure_marshal_VOID__OBJECT,
4727 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
4728 G_TYPE_FROM_CLASS (object_class),
4729 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4730 G_STRUCT_OFFSET (EvViewClass, popup_menu),
4732 g_cclosure_marshal_VOID__POINTER,
4735 signals[SIGNAL_SELECTION_CHANGED] = g_signal_new ("selection-changed",
4736 G_TYPE_FROM_CLASS (object_class),
4737 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4738 G_STRUCT_OFFSET (EvViewClass, selection_changed),
4740 g_cclosure_marshal_VOID__VOID,
4743 signals[SIGNAL_SYNC_SOURCE] = g_signal_new ("sync-source",
4744 G_TYPE_FROM_CLASS (object_class),
4745 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4746 G_STRUCT_OFFSET (EvViewClass, sync_source),
4748 g_cclosure_marshal_VOID__POINTER,
4751 signals[SIGNAL_ANNOT_ADDED] = g_signal_new ("annot-added",
4752 G_TYPE_FROM_CLASS (object_class),
4753 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4754 G_STRUCT_OFFSET (EvViewClass, annot_added),
4756 g_cclosure_marshal_VOID__OBJECT,
4758 EV_TYPE_ANNOTATION);
4759 signals[SIGNAL_LAYERS_CHANGED] = g_signal_new ("layers-changed",
4760 G_TYPE_FROM_CLASS (object_class),
4761 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4762 G_STRUCT_OFFSET (EvViewClass, layers_changed),
4764 g_cclosure_marshal_VOID__VOID,
4768 binding_set = gtk_binding_set_by_class (class);
4770 add_scroll_binding_keypad (binding_set, GDK_KEY_Left, 0, GTK_SCROLL_STEP_BACKWARD, TRUE);
4771 add_scroll_binding_keypad (binding_set, GDK_KEY_Right, 0, GTK_SCROLL_STEP_FORWARD, TRUE);
4772 add_scroll_binding_keypad (binding_set, GDK_KEY_Left, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, TRUE);
4773 add_scroll_binding_keypad (binding_set, GDK_KEY_Right, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, TRUE);
4774 add_scroll_binding_keypad (binding_set, GDK_KEY_Up, 0, GTK_SCROLL_STEP_BACKWARD, FALSE);
4775 add_scroll_binding_keypad (binding_set, GDK_KEY_Down, 0, GTK_SCROLL_STEP_FORWARD, FALSE);
4776 add_scroll_binding_keypad (binding_set, GDK_KEY_Up, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, FALSE);
4777 add_scroll_binding_keypad (binding_set, GDK_KEY_Down, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, FALSE);
4778 gtk_binding_entry_add_signal (binding_set, GDK_KEY_H, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4779 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE);
4780 gtk_binding_entry_add_signal (binding_set, GDK_KEY_J, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4781 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE);
4782 gtk_binding_entry_add_signal (binding_set, GDK_KEY_K, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4783 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE);
4784 gtk_binding_entry_add_signal (binding_set, GDK_KEY_L, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4785 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE);
4790 ev_view_init (EvView *view)
4792 gtk_widget_set_has_window (GTK_WIDGET (view), TRUE);
4793 gtk_widget_set_can_focus (GTK_WIDGET (view), TRUE);
4794 gtk_widget_set_redraw_on_allocate (GTK_WIDGET (view), FALSE);
4795 gtk_container_set_resize_mode (GTK_CONTAINER (view), GTK_RESIZE_QUEUE);
4797 gtk_widget_set_events (GTK_WIDGET (view),
4799 GDK_BUTTON_PRESS_MASK |
4800 GDK_BUTTON_RELEASE_MASK |
4802 GDK_KEY_PRESS_MASK |
4803 GDK_POINTER_MOTION_MASK |
4804 GDK_POINTER_MOTION_HINT_MASK |
4805 GDK_ENTER_NOTIFY_MASK |
4806 GDK_LEAVE_NOTIFY_MASK);
4808 view->start_page = -1;
4809 view->end_page = -1;
4812 view->current_page = 0;
4813 view->pressed_button = -1;
4814 view->cursor = EV_VIEW_CURSOR_NORMAL;
4815 view->drag_info.in_drag = FALSE;
4816 view->scroll_info.autoscrolling = FALSE;
4817 view->selection_info.selections = NULL;
4818 view->selection_info.in_selection = FALSE;
4819 view->selection_info.in_drag = FALSE;
4820 view->selection_mode = EV_VIEW_SELECTION_TEXT;
4821 view->continuous = TRUE;
4822 view->dual_page = FALSE;
4823 view->fullscreen = FALSE;
4824 view->sizing_mode = EV_SIZING_FIT_WIDTH;
4825 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4826 view->jump_to_find_result = TRUE;
4827 view->highlight_find_results = FALSE;
4833 ev_view_change_page (EvView *view,
4838 view->current_page = new_page;
4839 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4841 hide_loading_window (view);
4843 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4844 ev_view_handle_cursor_over_xy (view, x, y);
4846 gtk_widget_queue_resize (GTK_WIDGET (view));
4850 job_finished_cb (EvPixbufCache *pixbuf_cache,
4851 cairo_region_t *region,
4855 gdk_window_invalidate_region (gtk_widget_get_window (GTK_WIDGET (view)), region, TRUE);
4857 gtk_widget_queue_draw (GTK_WIDGET (view));
4862 ev_view_page_changed_cb (EvDocumentModel *model,
4867 if (!view->document)
4870 if (view->current_page != new_page) {
4871 ev_view_change_page (view, new_page);
4873 gtk_widget_queue_draw (GTK_WIDGET (view));
4876 view->find_result = 0;
4880 on_adjustment_value_changed (GtkAdjustment *adjustment,
4886 GList *children, *l;
4888 if (!gtk_widget_get_realized (GTK_WIDGET (view)))
4891 if (view->hadjustment) {
4892 value = (gint) gtk_adjustment_get_value (view->hadjustment);
4893 dx = view->scroll_x - value;
4894 view->scroll_x = value;
4899 if (view->vadjustment) {
4900 value = (gint) gtk_adjustment_get_value (view->vadjustment);
4901 dy = view->scroll_y - value;
4902 view->scroll_y = value;
4907 children = gtk_container_get_children (GTK_CONTAINER (view));
4908 for (l = children; l && l->data; l = g_list_next (l)) {
4909 gint child_x, child_y;
4910 GtkWidget *child = (GtkWidget *)l->data;
4912 gtk_container_child_get (GTK_CONTAINER (view),
4917 gtk_fixed_move (GTK_FIXED (view), child, child_x + dx, child_y + dy);
4919 g_list_free (children);
4921 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
4922 EvViewWindowChild *child;
4924 child = (EvViewWindowChild *)l->data;
4926 ev_view_window_child_move (view, child, child->x + dx, child->y + dy);
4929 if (view->pending_resize) {
4930 gtk_widget_queue_draw (GTK_WIDGET (view));
4932 gdk_window_scroll (gtk_widget_get_window (GTK_WIDGET (view)), dx, dy);
4935 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4936 ev_view_handle_cursor_over_xy (view, x, y);
4939 view_update_range_and_current_page (view);
4947 view = g_object_new (EV_TYPE_VIEW, NULL);
4953 setup_caches (EvView *view)
4955 gboolean inverted_colors;
4957 view->height_to_page_cache = ev_view_get_height_to_page_cache (view);
4958 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->model, view->pixbuf_cache_size);
4959 view->page_cache = ev_page_cache_new (view->document);
4960 if (view->a11y_enabled) {
4961 EvJobPageDataFlags flags = ev_page_cache_get_flags (view->page_cache);
4963 ev_page_cache_set_flags (view->page_cache,
4965 EV_PAGE_DATA_INCLUDE_TEXT_LAYOUT |
4966 EV_PAGE_DATA_INCLUDE_TEXT);
4968 inverted_colors = ev_document_model_get_inverted_colors (view->model);
4969 ev_pixbuf_cache_set_inverted_colors (view->pixbuf_cache, inverted_colors);
4970 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
4974 clear_caches (EvView *view)
4976 if (view->pixbuf_cache) {
4977 g_object_unref (view->pixbuf_cache);
4978 view->pixbuf_cache = NULL;
4981 if (view->page_cache) {
4982 g_object_unref (view->page_cache);
4983 view->page_cache = NULL;
4988 * ev_view_set_page_cache_size:
4992 * Sets the maximum size in bytes that will be used to cache
4993 * rendered pages. Use 0 to disable caching rendered pages.
4995 * Note that this limit doesn't affect the current visible page range,
4996 * which will always be rendered. In order to limit the total memory used
4997 * you have to use ev_document_model_set_max_scale() too.
5001 ev_view_set_page_cache_size (EvView *view,
5004 if (view->pixbuf_cache_size == cache_size)
5007 view->pixbuf_cache_size = cache_size;
5008 if (view->pixbuf_cache)
5009 ev_pixbuf_cache_set_max_size (view->pixbuf_cache, cache_size);
5013 ev_view_set_loading (EvView *view,
5016 if (view->loading && !loading)
5017 hide_loading_window (view);
5018 view->loading = loading;
5019 gtk_widget_queue_draw (GTK_WIDGET (view));
5023 ev_view_autoscroll_cb (EvView *view)
5025 gdouble speed, value;
5027 /* If the user stops autoscrolling, autoscrolling will be
5028 * set to false but the timeout will continue; stop the timeout: */
5029 if (!view->scroll_info.autoscrolling) {
5030 view->scroll_info.timeout_id = 0;
5034 if (view->scroll_info.last_y > view->scroll_info.start_y &&
5035 (view->scroll_info.last_y < view->scroll_info.start_y))
5038 /* Replace 100 with your speed of choice: The lower the faster.
5039 * Replace 3 with another speed of choice: The higher, the faster it accelerated
5040 * based on the distance of the starting point from the mouse
5041 * (All also effected by the timeout interval of this callback) */
5043 if (view->scroll_info.start_y > view->scroll_info.last_y)
5044 speed = -pow ((((gdouble)view->scroll_info.start_y - view->scroll_info.last_y) / 100), 3);
5046 speed = pow ((((gdouble)view->scroll_info.last_y - view->scroll_info.start_y) / 100), 3);
5048 value = gtk_adjustment_get_value (view->vadjustment);
5049 value = CLAMP (value + speed, 0,
5050 gtk_adjustment_get_upper (view->vadjustment) -
5051 gtk_adjustment_get_page_size (view->vadjustment));
5052 gtk_adjustment_set_value (view->vadjustment, value);
5059 ev_view_autoscroll_start (EvView *view)
5063 g_return_if_fail (EV_IS_VIEW (view));
5065 if (view->scroll_info.autoscrolling)
5068 view->scroll_info.autoscrolling = TRUE;
5069 view->scroll_info.timeout_id =
5070 g_timeout_add (20, (GSourceFunc)ev_view_autoscroll_cb,
5073 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
5074 ev_view_handle_cursor_over_xy (view, x, y);
5078 ev_view_autoscroll_stop (EvView *view)
5082 g_return_if_fail (EV_IS_VIEW (view));
5084 if (!view->scroll_info.autoscrolling)
5087 view->scroll_info.autoscrolling = FALSE;
5088 if (view->scroll_info.timeout_id) {
5089 g_source_remove (view->scroll_info.timeout_id);
5090 view->scroll_info.timeout_id = 0;
5093 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
5094 ev_view_handle_cursor_over_xy (view, x, y);
5098 ev_view_document_changed_cb (EvDocumentModel *model,
5102 EvDocument *document = ev_document_model_get_document (model);
5104 if (document != view->document) {
5107 clear_caches (view);
5109 if (view->document) {
5110 g_object_unref (view->document);
5113 view->document = document;
5114 view->find_result = 0;
5116 if (view->document) {
5117 view->loading = FALSE;
5118 g_object_ref (view->document);
5119 setup_caches (view);
5122 current_page = ev_document_model_get_page (model);
5123 if (view->current_page != current_page) {
5124 ev_view_change_page (view, current_page);
5126 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
5127 gtk_widget_queue_resize (GTK_WIDGET (view));
5133 ev_view_rotation_changed_cb (EvDocumentModel *model,
5137 gint rotation = ev_document_model_get_rotation (model);
5139 view->rotation = rotation;
5141 if (view->pixbuf_cache) {
5142 ev_pixbuf_cache_clear (view->pixbuf_cache);
5143 if (!ev_document_is_page_size_uniform (view->document))
5144 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5145 gtk_widget_queue_resize (GTK_WIDGET (view));
5148 ev_view_remove_all (view);
5151 clear_selection (view);
5155 ev_view_inverted_colors_changed_cb (EvDocumentModel *model,
5159 if (view->pixbuf_cache) {
5160 gboolean inverted_colors;
5162 inverted_colors = ev_document_model_get_inverted_colors (model);
5163 ev_pixbuf_cache_set_inverted_colors (view->pixbuf_cache, inverted_colors);
5164 gtk_widget_queue_draw (GTK_WIDGET (view));
5169 ev_view_sizing_mode_changed_cb (EvDocumentModel *model,
5173 EvSizingMode mode = ev_document_model_get_sizing_mode (model);
5175 view->sizing_mode = mode;
5176 if (mode != EV_SIZING_FREE)
5177 gtk_widget_queue_resize (GTK_WIDGET (view));
5180 #define EPSILON 0.0000001
5182 ev_view_scale_changed_cb (EvDocumentModel *model,
5186 gdouble scale = ev_document_model_get_scale (model);
5188 if (ABS (view->scale - scale) < EPSILON)
5191 view->scale = scale;
5193 view->pending_resize = TRUE;
5194 if (view->sizing_mode == EV_SIZING_FREE)
5195 gtk_widget_queue_resize (GTK_WIDGET (view));
5199 ev_view_continuous_changed_cb (EvDocumentModel *model,
5203 gboolean continuous = ev_document_model_get_continuous (model);
5205 view->continuous = continuous;
5206 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5207 gtk_widget_queue_resize (GTK_WIDGET (view));
5211 ev_view_dual_page_changed_cb (EvDocumentModel *model,
5215 gboolean dual_page = ev_document_model_get_dual_page (model);
5217 view->dual_page = dual_page;
5218 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5219 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
5220 * preload_cache_size to be 2 if dual_page is set.
5222 gtk_widget_queue_resize (GTK_WIDGET (view));
5226 ev_view_fullscreen_changed_cb (EvDocumentModel *model,
5230 gboolean fullscreen = ev_document_model_get_fullscreen (model);
5232 view->fullscreen = fullscreen;
5233 gtk_widget_queue_resize (GTK_WIDGET (view));
5237 ev_view_set_model (EvView *view,
5238 EvDocumentModel *model)
5240 g_return_if_fail (EV_IS_VIEW (view));
5241 g_return_if_fail (EV_IS_DOCUMENT_MODEL (model));
5243 if (model == view->model)
5247 g_signal_handlers_disconnect_by_func (view->model,
5248 ev_view_document_changed_cb,
5250 g_signal_handlers_disconnect_by_func (view->model,
5251 ev_view_page_changed_cb,
5253 g_object_unref (view->model);
5255 view->model = g_object_ref (model);
5257 /* Initialize view from model */
5258 view->rotation = ev_document_model_get_rotation (view->model);
5259 view->sizing_mode = ev_document_model_get_sizing_mode (view->model);
5260 view->scale = ev_document_model_get_scale (view->model);
5261 view->continuous = ev_document_model_get_continuous (view->model);
5262 view->dual_page = ev_document_model_get_dual_page (view->model);
5263 view->fullscreen = ev_document_model_get_fullscreen (view->model);
5264 ev_view_document_changed_cb (view->model, NULL, view);
5266 g_signal_connect (view->model, "notify::document",
5267 G_CALLBACK (ev_view_document_changed_cb),
5269 g_signal_connect (view->model, "notify::rotation",
5270 G_CALLBACK (ev_view_rotation_changed_cb),
5272 g_signal_connect (view->model, "notify::inverted-colors",
5273 G_CALLBACK (ev_view_inverted_colors_changed_cb),
5275 g_signal_connect (view->model, "notify::sizing-mode",
5276 G_CALLBACK (ev_view_sizing_mode_changed_cb),
5278 g_signal_connect (view->model, "notify::scale",
5279 G_CALLBACK (ev_view_scale_changed_cb),
5281 g_signal_connect (view->model, "notify::continuous",
5282 G_CALLBACK (ev_view_continuous_changed_cb),
5284 g_signal_connect (view->model, "notify::dual-page",
5285 G_CALLBACK (ev_view_dual_page_changed_cb),
5287 g_signal_connect (view->model, "notify::fullscreen",
5288 G_CALLBACK (ev_view_fullscreen_changed_cb),
5290 g_signal_connect (view->model, "page-changed",
5291 G_CALLBACK (ev_view_page_changed_cb),
5296 ev_view_reload_page (EvView *view,
5298 cairo_region_t *region)
5300 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
5308 ev_view_reload (EvView *view)
5310 ev_pixbuf_cache_clear (view->pixbuf_cache);
5311 view_update_range_and_current_page (view);
5314 /*** Zoom and sizing mode ***/
5317 ev_view_can_zoom_in (EvView *view)
5319 return view->scale * ZOOM_IN_FACTOR <= ev_document_model_get_max_scale (view->model);
5323 ev_view_can_zoom_out (EvView *view)
5325 return view->scale * ZOOM_OUT_FACTOR >= ev_document_model_get_min_scale (view->model);
5329 ev_view_zoom_in (EvView *view)
5333 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5335 view->pending_scroll = SCROLL_TO_CENTER;
5336 scale = ev_document_model_get_scale (view->model) * ZOOM_IN_FACTOR;
5337 ev_document_model_set_scale (view->model, scale);
5341 ev_view_zoom_out (EvView *view)
5345 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5347 view->pending_scroll = SCROLL_TO_CENTER;
5348 scale = ev_document_model_get_scale (view->model) * ZOOM_OUT_FACTOR;
5349 ev_document_model_set_scale (view->model, scale);
5353 zoom_for_size_fit_width (gdouble doc_width,
5358 return (double)target_width / doc_width;
5362 zoom_for_size_fit_height (gdouble doc_width,
5367 return (double)target_height / doc_height;
5371 zoom_for_size_best_fit (gdouble doc_width,
5379 w_scale = (double)target_width / doc_width;
5380 h_scale = (double)target_height / doc_height;
5382 return MIN (w_scale, h_scale);
5386 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
5390 gdouble doc_width, doc_height;
5395 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5396 if (view->rotation == 90 || view->rotation == 270) {
5400 doc_width = doc_height;
5404 compute_border (view, doc_width, doc_height, &border);
5407 width -= (2 * (border.left + border.right) + 3 * view->spacing);
5408 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5410 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5412 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5413 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5414 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5415 scale = zoom_for_size_best_fit (doc_width, doc_height, width - sb_size, height);
5417 g_assert_not_reached ();
5419 ev_document_model_set_scale (view->model, scale);
5423 ev_view_zoom_for_size_continuous (EvView *view,
5427 gdouble doc_width, doc_height;
5432 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5433 if (view->rotation == 90 || view->rotation == 270) {
5437 doc_width = doc_height;
5441 compute_border (view, doc_width, doc_height, &border);
5443 width -= (border.left + border.right + 2 * view->spacing);
5444 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5446 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5448 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5449 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5450 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5451 scale = zoom_for_size_best_fit (doc_width, doc_height, width - sb_size, height);
5453 g_assert_not_reached ();
5455 ev_document_model_set_scale (view->model, scale);
5459 ev_view_zoom_for_size_dual_page (EvView *view,
5464 gdouble doc_width, doc_height;
5468 other_page = view->current_page ^ 1;
5470 /* Find the largest of the two. */
5471 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5472 if (other_page < ev_document_get_n_pages (view->document)) {
5473 gdouble width_2, height_2;
5475 get_doc_page_size (view, other_page, &width_2, &height_2);
5476 if (width_2 > doc_width)
5477 doc_width = width_2;
5478 if (height_2 > doc_height)
5479 doc_height = height_2;
5481 compute_border (view, width, height, &border);
5483 doc_width = doc_width * 2;
5484 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
5485 height -= (border.top + border.bottom + 2 * view->spacing);
5487 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5490 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5491 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5492 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5493 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5495 g_assert_not_reached ();
5497 ev_document_model_set_scale (view->model, scale);
5501 ev_view_zoom_for_size_single_page (EvView *view,
5505 gdouble doc_width, doc_height;
5509 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5511 /* Get an approximate border */
5512 compute_border (view, width, height, &border);
5514 width -= (border.left + border.right + 2 * view->spacing);
5515 height -= (border.top + border.bottom + 2 * view->spacing);
5517 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5520 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5521 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5522 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5523 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5525 g_assert_not_reached ();
5527 ev_document_model_set_scale (view->model, scale);
5531 ev_view_zoom_for_size (EvView *view,
5535 g_return_if_fail (EV_IS_VIEW (view));
5536 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
5537 view->sizing_mode == EV_SIZING_BEST_FIT);
5538 g_return_if_fail (width >= 0);
5539 g_return_if_fail (height >= 0);
5541 if (view->document == NULL)
5544 if (view->continuous && view->dual_page)
5545 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height);
5546 else if (view->continuous)
5547 ev_view_zoom_for_size_continuous (view, width, height);
5548 else if (view->dual_page)
5549 ev_view_zoom_for_size_dual_page (view, width, height);
5551 ev_view_zoom_for_size_single_page (view, width, height);
5556 ev_view_find_get_n_results (EvView *view, gint page)
5558 return view->find_pages ? g_list_length (view->find_pages[page]) : 0;
5561 static EvRectangle *
5562 ev_view_find_get_result (EvView *view, gint page, gint result)
5564 return view->find_pages ? (EvRectangle *) g_list_nth_data (view->find_pages[page], result) : NULL;
5568 jump_to_find_result (EvView *view)
5571 gint page = view->current_page;
5573 n_results = ev_view_find_get_n_results (view, page);
5575 if (n_results > 0 && view->find_result < n_results) {
5577 GdkRectangle view_rect;
5579 rect = ev_view_find_get_result (view, page, view->find_result);
5580 doc_rect_to_view_rect (view, page, rect, &view_rect);
5581 ensure_rectangle_is_visible (view, &view_rect);
5582 view->jump_to_find_result = FALSE;
5588 * @view: #EvView instance
5589 * @direction: Direction to look
5590 * @shift: Shift from current page
5592 * Jumps to the first page that has occurences of searched word.
5593 * Uses a direction where to look and a shift from current page.
5597 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
5601 n_pages = ev_document_get_n_pages (view->document);
5603 for (i = 0; i < n_pages; i++) {
5606 if (direction == EV_VIEW_FIND_NEXT)
5607 page = view->current_page + i;
5609 page = view->current_page - i;
5612 if (page >= n_pages) {
5613 page = page - n_pages;
5614 } else if (page < 0)
5615 page = page + n_pages;
5617 if (ev_view_find_get_n_results (view, page) > 0) {
5618 ev_document_model_set_page (view->model, page);
5625 ev_view_find_changed (EvView *view, GList **results, gint page)
5627 view->find_pages = results;
5629 if (view->jump_to_find_result == TRUE) {
5630 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
5631 jump_to_find_result (view);
5634 if (view->current_page == page)
5635 gtk_widget_queue_draw (GTK_WIDGET (view));
5639 ev_view_find_next (EvView *view)
5643 n_results = ev_view_find_get_n_results (view, view->current_page);
5644 view->find_result++;
5646 if (view->find_result >= n_results) {
5647 view->find_result = 0;
5648 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
5649 jump_to_find_result (view);
5651 jump_to_find_result (view);
5652 gtk_widget_queue_draw (GTK_WIDGET (view));
5657 ev_view_find_previous (EvView *view)
5659 view->find_result--;
5661 if (view->find_result < 0) {
5662 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
5663 view->find_result = MAX (0, ev_view_find_get_n_results (view, view->current_page) - 1);
5664 jump_to_find_result (view);
5666 jump_to_find_result (view);
5667 gtk_widget_queue_draw (GTK_WIDGET (view));
5672 ev_view_find_search_changed (EvView *view)
5674 /* search string has changed, focus on new search result */
5675 view->jump_to_find_result = TRUE;
5676 view->find_pages = NULL;
5680 ev_view_find_set_highlight_search (EvView *view, gboolean value)
5682 view->highlight_find_results = value;
5683 gtk_widget_queue_draw (GTK_WIDGET (view));
5687 ev_view_find_cancel (EvView *view)
5689 view->find_pages = NULL;
5694 ev_view_highlight_forward_search (EvView *view,
5699 GdkRectangle view_rect;
5701 if (!ev_document_has_synctex (view->document))
5704 mapping = ev_document_synctex_forward_search (view->document, link);
5708 if (view->synctex_result)
5709 g_free (view->synctex_result);
5710 view->synctex_result = mapping;
5712 page = GPOINTER_TO_INT (mapping->data);
5713 ev_document_model_set_page (view->model, page);
5715 doc_rect_to_view_rect (view, page, &mapping->area, &view_rect);
5716 ensure_rectangle_is_visible (view, &view_rect);
5717 gtk_widget_queue_draw (GTK_WIDGET (view));
5720 /*** Selections ***/
5722 /* compute_new_selection_rect/text calculates the area currently selected by
5723 * view_rect. each handles a different mode;
5726 compute_new_selection_rect (EvView *view,
5730 GdkRectangle view_rect;
5734 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
5736 view_rect.x = MIN (start->x, stop->x);
5737 view_rect.y = MIN (start->y, stop->y);
5738 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
5739 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
5741 n_pages = ev_document_get_n_pages (view->document);
5743 for (i = 0; i < n_pages; i++) {
5744 GdkRectangle page_area;
5747 if (ev_view_get_page_extents (view, i, &page_area, &border)) {
5748 GdkRectangle overlap;
5750 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
5751 EvViewSelection *selection;
5753 selection = g_new0 (EvViewSelection, 1);
5754 selection->page = i;
5755 view_rect_to_doc_rect (view, &overlap, &page_area,
5756 &(selection->rect));
5758 list = g_list_append (list, selection);
5767 gdk_rectangle_point_in (GdkRectangle *rectangle,
5770 return rectangle->x <= point->x &&
5771 rectangle->y <= point->y &&
5772 point->x < rectangle->x + rectangle->width &&
5773 point->y < rectangle->y + rectangle->height;
5777 compute_new_selection_text (EvView *view,
5778 EvSelectionStyle style,
5782 int n_pages, i, first, last;
5784 EvViewSelection *selection;
5785 gdouble width, height;
5786 int start_page, end_page;
5788 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
5790 n_pages = ev_document_get_n_pages (view->document);
5792 /* First figure out the range of pages the selection
5796 if (view->continuous) {
5799 } else if (view->dual_page) {
5800 start_page = view->start_page;
5801 end_page = view->end_page + 1;
5803 start_page = view->current_page;
5804 end_page = view->current_page + 1;
5807 for (i = start_page; i < end_page; i++) {
5808 GdkRectangle page_area;
5811 ev_view_get_page_extents (view, i, &page_area, &border);
5812 if (gdk_rectangle_point_in (&page_area, start) ||
5813 gdk_rectangle_point_in (&page_area, stop)) {
5814 if (first == n_pages)
5821 /* Now create a list of EvViewSelection's for the affected
5822 * pages. This could be an empty list, a list of just one
5823 * page or a number of pages.*/
5824 for (i = first; i < last + 1; i++) {
5825 GdkRectangle page_area;
5829 get_doc_page_size (view, i, &width, &height);
5831 selection = g_new0 (EvViewSelection, 1);
5832 selection->page = i;
5833 selection->style = style;
5834 selection->rect.x1 = selection->rect.y1 = 0;
5835 selection->rect.x2 = width;
5836 selection->rect.y2 = height;
5838 ev_view_get_page_extents (view, i, &page_area, &border);
5840 if (gdk_rectangle_point_in (&page_area, start))
5846 view_point_to_doc_point (view, point, &page_area,
5847 &selection->rect.x1,
5848 &selection->rect.y1);
5850 /* If the selection is contained within just one page,
5851 * make sure we don't write 'start' into both points
5852 * in selection->rect. */
5857 view_point_to_doc_point (view, point, &page_area,
5858 &selection->rect.x2,
5859 &selection->rect.y2);
5861 list = g_list_append (list, selection);
5867 /* This function takes the newly calculated list, and figures out which regions
5868 * have changed. It then queues a redraw approporiately.
5871 merge_selection_region (EvView *view,
5875 GList *new_list_ptr, *old_list_ptr;
5877 /* Update the selection */
5878 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
5879 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5880 g_list_free (view->selection_info.selections);
5881 view->selection_info.selections = new_list;
5882 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
5883 g_signal_emit (view, signals[SIGNAL_SELECTION_CHANGED], 0, NULL);
5885 new_list_ptr = new_list;
5886 old_list_ptr = old_list;
5888 while (new_list_ptr || old_list_ptr) {
5889 EvViewSelection *old_sel, *new_sel;
5891 cairo_region_t *region = NULL;
5893 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
5894 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
5896 /* Assume that the lists are in order, and we run through them
5897 * comparing them, one page at a time. We come out with the
5898 * first page we see. */
5899 if (new_sel && old_sel) {
5900 if (new_sel->page < old_sel->page) {
5901 new_list_ptr = new_list_ptr->next;
5903 } else if (new_sel->page > old_sel->page) {
5904 old_list_ptr = old_list_ptr->next;
5907 new_list_ptr = new_list_ptr->next;
5908 old_list_ptr = old_list_ptr->next;
5910 } else if (new_sel) {
5911 new_list_ptr = new_list_ptr->next;
5912 } else if (old_sel) {
5913 old_list_ptr = old_list_ptr->next;
5916 g_assert (new_sel || old_sel);
5918 /* is the page we're looking at on the screen?*/
5919 cur_page = new_sel ? new_sel->page : old_sel->page;
5920 if (cur_page < view->start_page || cur_page > view->end_page)
5923 /* seed the cache with a new page. We are going to need the new
5926 cairo_region_t *tmp_region = NULL;
5928 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
5933 if (tmp_region && !cairo_region_is_empty (tmp_region)) {
5934 new_sel->covered_region = cairo_region_reference (tmp_region);
5938 /* Now we figure out what needs redrawing */
5939 if (old_sel && new_sel) {
5940 if (old_sel->covered_region && new_sel->covered_region) {
5941 /* We only want to redraw the areas that have
5942 * changed, so we xor the old and new regions
5943 * and redraw if it's different */
5944 region = cairo_region_copy (old_sel->covered_region);
5945 #if CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1, 9, 12)
5946 cairo_region_xor (region, new_sel->covered_region);
5948 cairo_region_t *tbr;
5949 tbr = cairo_region_copy (new_sel->covered_region);
5951 /* xor old_sel, new_sel*/
5952 cairo_region_subtract (tbr, region);
5953 cairo_region_subtract (region, new_sel->covered_region);
5954 cairo_region_union (region, tbr);
5955 cairo_region_destroy (tbr);
5958 if (cairo_region_is_empty (region)) {
5959 cairo_region_destroy (region);
5962 gint num_rectangles = cairo_region_num_rectangles (region);
5965 /* We need to make the damage region a little bigger
5966 * because the edges of the old selection might change
5968 cairo_region_get_rectangle (region, 0, &r);
5971 cairo_region_union_rectangle (region, &r);
5973 cairo_region_get_rectangle (region, num_rectangles - 1, &r);
5976 cairo_region_union_rectangle (region, &r);
5978 } else if (old_sel->covered_region) {
5979 region = cairo_region_copy (old_sel->covered_region);
5980 } else if (new_sel->covered_region) {
5981 region = cairo_region_copy (new_sel->covered_region);
5983 } else if (old_sel && !new_sel) {
5984 if (old_sel->covered_region && !cairo_region_is_empty (old_sel->covered_region)) {
5985 region = cairo_region_copy (old_sel->covered_region);
5987 } else if (!old_sel && new_sel) {
5988 if (new_sel->covered_region && !cairo_region_is_empty (new_sel->covered_region)) {
5989 region = cairo_region_copy (new_sel->covered_region);
5992 g_assert_not_reached ();
5995 /* Redraw the damaged region! */
5997 GdkRectangle page_area;
6000 ev_view_get_page_extents (view, cur_page, &page_area, &border);
6001 cairo_region_translate (region,
6002 page_area.x + border.left - view->scroll_x,
6003 page_area.y + border.top - view->scroll_y);
6004 gdk_window_invalidate_region (gtk_widget_get_window (GTK_WIDGET (view)), region, TRUE);
6005 cairo_region_destroy (region);
6009 /* Free the old list, now that we're done with it. */
6010 g_list_foreach (old_list, (GFunc) selection_free, NULL);
6011 g_list_free (old_list);
6015 compute_selections (EvView *view,
6016 EvSelectionStyle style,
6022 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
6023 list = compute_new_selection_rect (view, start, stop);
6025 list = compute_new_selection_text (view, style, start, stop);
6026 merge_selection_region (view, list);
6029 /* Free's the selection. It's up to the caller to queue redraws if needed.
6032 selection_free (EvViewSelection *selection)
6034 if (selection->covered_region)
6035 cairo_region_destroy (selection->covered_region);
6040 clear_selection (EvView *view)
6042 if (view->selection_info.selections) {
6043 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
6044 g_list_free (view->selection_info.selections);
6045 view->selection_info.selections = NULL;
6047 g_signal_emit (view, signals[SIGNAL_SELECTION_CHANGED], 0, NULL);
6049 view->selection_info.in_selection = FALSE;
6050 if (view->pixbuf_cache)
6051 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
6055 ev_view_select_all (EvView *view)
6057 GList *selections = NULL;
6060 /* Disable selection on rotated pages for the 0.4.0 series */
6061 if (view->rotation != 0)
6064 clear_selection (view);
6066 n_pages = ev_document_get_n_pages (view->document);
6067 for (i = 0; i < n_pages; i++) {
6068 gdouble width, height;
6069 EvViewSelection *selection;
6071 get_doc_page_size (view, i, &width, &height);
6073 selection = g_new0 (EvViewSelection, 1);
6074 selection->page = i;
6075 selection->style = EV_SELECTION_STYLE_GLYPH;
6076 selection->rect.x1 = selection->rect.y1 = 0;
6077 selection->rect.x2 = width;
6078 selection->rect.y2 = height;
6080 selections = g_list_append (selections, selection);
6083 merge_selection_region (view, selections);
6084 gtk_widget_queue_draw (GTK_WIDGET (view));
6088 ev_view_get_has_selection (EvView *view)
6090 return view->selection_info.selections != NULL;
6094 get_selected_text (EvView *view)
6098 gchar *normalized_text;
6100 text = g_string_new (NULL);
6102 ev_document_doc_mutex_lock ();
6104 for (l = view->selection_info.selections; l != NULL; l = l->next) {
6105 EvViewSelection *selection = (EvViewSelection *)l->data;
6109 page = ev_document_get_page (view->document, selection->page);
6110 tmp = ev_selection_get_selected_text (EV_SELECTION (view->document),
6111 page, selection->style,
6112 &(selection->rect));
6113 g_object_unref (page);
6114 g_string_append (text, tmp);
6118 ev_document_doc_mutex_unlock ();
6120 normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC);
6121 g_string_free (text, TRUE);
6122 return normalized_text;
6126 ev_view_clipboard_copy (EvView *view,
6129 GtkClipboard *clipboard;
6131 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
6132 GDK_SELECTION_CLIPBOARD);
6133 gtk_clipboard_set_text (clipboard, text, -1);
6137 ev_view_copy (EvView *ev_view)
6141 if (!EV_IS_SELECTION (ev_view->document))
6144 text = get_selected_text (ev_view);
6145 ev_view_clipboard_copy (ev_view, text);
6150 ev_view_primary_get_cb (GtkClipboard *clipboard,
6151 GtkSelectionData *selection_data,
6155 EvView *ev_view = EV_VIEW (data);
6157 if (ev_view->link_selected) {
6158 gtk_selection_data_set_text (selection_data,
6159 ev_link_action_get_uri (ev_view->link_selected),
6161 } else if (EV_IS_SELECTION (ev_view->document) &&
6162 ev_view->selection_info.selections) {
6165 text = get_selected_text (ev_view);
6167 gtk_selection_data_set_text (selection_data, text, -1);
6174 ev_view_primary_clear_cb (GtkClipboard *clipboard,
6177 EvView *view = EV_VIEW (data);
6179 clear_selection (view);
6180 clear_link_selected (view);
6184 ev_view_update_primary_selection (EvView *ev_view)
6186 GtkClipboard *clipboard;
6188 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
6189 GDK_SELECTION_PRIMARY);
6191 if (ev_view->selection_info.selections || ev_view->link_selected) {
6192 GtkTargetList *target_list;
6193 GtkTargetEntry *targets;
6196 target_list = gtk_target_list_new (NULL, 0);
6197 gtk_target_list_add_text_targets (target_list, 0);
6198 targets = gtk_target_table_new_from_list (target_list, &n_targets);
6199 gtk_target_list_unref (target_list);
6201 if (!gtk_clipboard_set_with_owner (clipboard,
6203 ev_view_primary_get_cb,
6204 ev_view_primary_clear_cb,
6205 G_OBJECT (ev_view)))
6206 ev_view_primary_clear_cb (clipboard, ev_view);
6208 gtk_target_table_free (targets, n_targets);
6210 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
6211 gtk_clipboard_clear (clipboard);
6216 clear_link_selected (EvView *view)
6218 if (view->link_selected) {
6219 g_object_unref (view->link_selected);
6220 view->link_selected = NULL;
6225 ev_view_copy_link_address (EvView *view,
6226 EvLinkAction *action)
6228 clear_link_selected (view);
6230 ev_view_clipboard_copy (view, ev_link_action_get_uri (action));
6232 view->link_selected = g_object_ref (action);
6233 ev_view_update_primary_selection (view);
6236 /*** Cursor operations ***/
6238 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
6240 GdkCursor *cursor = NULL;
6244 if (view->cursor == new_cursor) {
6248 view->cursor = new_cursor;
6250 window = gtk_widget_get_window (GTK_WIDGET (view));
6251 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
6252 cursor = ev_view_cursor_new (gtk_widget_get_display (widget), new_cursor);
6253 gdk_window_set_cursor (window, cursor);
6256 g_object_unref (cursor);
6260 ev_view_hide_cursor (EvView *view)
6262 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
6266 ev_view_show_cursor (EvView *view)
6268 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
6272 ev_view_next_page (EvView *view)
6276 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
6278 if (!view->document)
6281 page = ev_document_model_get_page (view->model);
6282 n_pages = ev_document_get_n_pages (view->document);
6284 if (view->dual_page)
6289 if (page < n_pages) {
6290 ev_document_model_set_page (view->model, page);
6292 } else if (view->dual_page && page == n_pages) {
6293 ev_document_model_set_page (view->model, page - 1);
6301 ev_view_previous_page (EvView *view)
6305 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
6307 if (!view->document)
6310 page = ev_document_model_get_page (view->model);
6312 if (view->dual_page)
6318 ev_document_model_set_page (view->model, page);
6320 } else if (view->dual_page && page == -1) {
6321 ev_document_model_set_page (view->model, 0);