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,
70 static guint signals[N_SIGNALS];
75 } EvViewFindDirection;
77 #define ZOOM_IN_FACTOR 1.2
78 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
80 #define SCROLL_TIME 150
83 static void ev_view_set_scroll_adjustments (GtkLayout *layout,
84 GtkAdjustment *hadjustment,
85 GtkAdjustment *vadjustment);
86 static void view_update_range_and_current_page (EvView *view);
87 static void set_scroll_adjustment (EvView *view,
88 GtkOrientation orientation,
89 GtkAdjustment *adjustment);
90 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
92 GdkModifierType modifiers,
95 static void ensure_rectangle_is_visible (EvView *view,
98 /*** Geometry computations ***/
99 static void compute_border (EvView *view,
103 static void get_page_y_offset (EvView *view,
106 static void view_rect_to_doc_rect (EvView *view,
107 GdkRectangle *view_rect,
108 GdkRectangle *page_area,
109 EvRectangle *doc_rect);
110 static void doc_rect_to_view_rect (EvView *view,
112 EvRectangle *doc_rect,
113 GdkRectangle *view_rect);
114 static gboolean get_dual_even_left (EvView *view);
115 static void find_page_at_location (EvView *view,
121 static void doc_point_to_view_point (EvView *view,
124 GdkPoint *view_point);
126 static EvLink * ev_view_get_link_at_location (EvView *view,
129 static char* tip_from_link (EvView *view,
132 static EvFormField *ev_view_get_form_field_at_location (EvView *view,
136 /*** Annotations ***/
137 static EvAnnotation *ev_view_get_annotation_at_location (EvView *view,
140 static void show_annotation_windows (EvView *view,
142 static void hide_annotation_windows (EvView *view,
144 /*** GtkWidget implementation ***/
145 static void ev_view_size_request_continuous_dual_page (EvView *view,
146 GtkRequisition *requisition);
147 static void ev_view_size_request_continuous (EvView *view,
148 GtkRequisition *requisition);
149 static void ev_view_size_request_dual_page (EvView *view,
150 GtkRequisition *requisition);
151 static void ev_view_size_request_single_page (EvView *view,
152 GtkRequisition *requisition);
153 static void ev_view_size_request (GtkWidget *widget,
154 GtkRequisition *requisition);
155 static void ev_view_size_allocate (GtkWidget *widget,
156 GtkAllocation *allocation);
157 static void ev_view_realize (GtkWidget *widget);
158 static gboolean ev_view_scroll_event (GtkWidget *widget,
159 GdkEventScroll *event);
160 #if GTK_CHECK_VERSION (2, 90, 8)
161 static gboolean ev_view_draw (GtkWidget *widget,
164 static gboolean ev_view_expose_event (GtkWidget *widget,
165 GdkEventExpose *event);
167 static gboolean ev_view_popup_menu (GtkWidget *widget);
168 static gboolean ev_view_button_press_event (GtkWidget *widget,
169 GdkEventButton *event);
170 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
171 GdkEventMotion *event);
172 static gboolean ev_view_button_release_event (GtkWidget *widget,
173 GdkEventButton *event);
174 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
175 GdkEventCrossing *event);
176 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
177 GdkEventCrossing *event);
178 static void ev_view_style_set (GtkWidget *widget,
179 GtkStyle *old_style);
180 static void ev_view_remove_all (EvView *view);
182 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
185 static void highlight_find_results (EvView *view,
188 static void highlight_forward_search_results (EvView *view,
191 static void focus_annotation (EvView *view,
195 static void draw_one_page (EvView *view,
198 GdkRectangle *page_area,
200 GdkRectangle *expose_area,
201 gboolean *page_ready);
202 static void show_loading_window (EvView *view);
203 static void hide_loading_window (EvView *view);
204 static void ev_view_reload_page (EvView *view,
206 cairo_region_t *region);
207 static void ev_view_loading_window_move (EvView *view);
210 static void ev_view_change_page (EvView *view,
212 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
213 cairo_region_t *region,
215 static void ev_view_page_changed_cb (EvDocumentModel *model,
219 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
223 static void ev_view_finalize (GObject *object);
224 static void ev_view_destroy (GtkObject *object);
225 static void ev_view_class_init (EvViewClass *class);
226 static void ev_view_init (EvView *view);
228 /*** Zoom and sizing ***/
229 static double zoom_for_size_fit_width (gdouble doc_width,
233 static double zoom_for_size_fit_height (gdouble doc_width,
237 static double zoom_for_size_best_fit (gdouble doc_width,
241 static void ev_view_zoom_for_size (EvView *view,
244 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
247 static void ev_view_zoom_for_size_continuous (EvView *view,
250 static void ev_view_zoom_for_size_dual_page (EvView *view,
253 static void ev_view_zoom_for_size_single_page (EvView *view,
257 static void ev_view_set_cursor (EvView *view,
258 EvViewCursor new_cursor);
259 static void ev_view_handle_cursor_over_xy (EvView *view,
264 static gint ev_view_find_get_n_results (EvView *view,
266 static EvRectangle *ev_view_find_get_result (EvView *view,
269 static void jump_to_find_result (EvView *view);
270 static void jump_to_find_page (EvView *view,
271 EvViewFindDirection direction,
274 static void compute_selections (EvView *view,
275 EvSelectionStyle style,
278 static void clear_selection (EvView *view);
279 static void clear_link_selected (EvView *view);
280 static void selection_free (EvViewSelection *selection);
281 static char* get_selected_text (EvView *ev_view);
282 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
283 GtkSelectionData *selection_data,
286 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
288 static void ev_view_update_primary_selection (EvView *ev_view);
290 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_LAYOUT)
292 /* HeightToPage cache */
293 #define EV_HEIGHT_TO_PAGE_CACHE_KEY "ev-height-to-page-cache"
296 build_height_to_page (EvHeightToPageCache *cache,
297 EvDocument *document,
300 gboolean swap, uniform, dual_even_left;
302 double uniform_height, page_height, next_page_height;
304 gdouble u_width, u_height;
307 swap = (rotation == 90 || rotation == 270);
309 uniform = ev_document_is_page_size_uniform (document);
310 n_pages = ev_document_get_n_pages (document);
311 dual_even_left = (n_pages > 2);
313 g_free (cache->height_to_page);
314 g_free (cache->dual_height_to_page);
316 cache->rotation = rotation;
317 cache->height_to_page = g_new0 (gdouble, n_pages + 1);
318 cache->dual_height_to_page = g_new0 (gdouble, n_pages + 2);
321 ev_document_get_page_size (document, 0, &u_width, &u_height);
324 for (i = 0; i <= n_pages; i++) {
326 uniform_height = swap ? u_width : u_height;
327 cache->height_to_page[i] = i * uniform_height;
332 ev_document_get_page_size (document, i, &w, &h);
333 page_height = swap ? w : h;
337 cache->height_to_page[i] = saved_height;
338 saved_height += page_height;
342 if (dual_even_left && !uniform) {
345 ev_document_get_page_size (document, 0, &w, &h);
346 saved_height = swap ? w : h;
351 for (i = dual_even_left; i < n_pages + 2; i += 2) {
353 uniform_height = swap ? u_width : u_height;
354 cache->dual_height_to_page[i] = ((i + dual_even_left) / 2) * uniform_height;
355 if (i + 1 < n_pages + 2)
356 cache->dual_height_to_page[i + 1] = ((i + dual_even_left) / 2) * uniform_height;
358 if (i + 1 < n_pages) {
361 ev_document_get_page_size (document, i + 1, &w, &h);
362 next_page_height = swap ? w : h;
364 next_page_height = 0;
370 ev_document_get_page_size (document, i, &w, &h);
371 page_height = swap ? w : h;
376 if (i + 1 < n_pages + 2) {
377 cache->dual_height_to_page[i] = saved_height;
378 cache->dual_height_to_page[i + 1] = saved_height;
379 saved_height += MAX(page_height, next_page_height);
381 cache->dual_height_to_page[i] = saved_height;
388 ev_height_to_page_cache_get_height (EvHeightToPageCache *cache,
389 EvDocument *document,
393 gdouble *dual_height)
395 if (cache->rotation != rotation)
396 build_height_to_page (cache, document, rotation);
398 *height = cache->height_to_page[page];
399 *dual_height = cache->dual_height_to_page[page];
403 ev_height_to_page_cache_free (EvHeightToPageCache *cache)
405 if (cache->height_to_page) {
406 g_free (cache->height_to_page);
407 cache->height_to_page = NULL;
410 if (cache->dual_height_to_page) {
411 g_free (cache->dual_height_to_page);
412 cache->dual_height_to_page = NULL;
417 static EvHeightToPageCache *
418 ev_view_get_height_to_page_cache (EvView *view)
420 EvHeightToPageCache *cache;
425 cache = g_object_get_data (G_OBJECT (view->document), EV_HEIGHT_TO_PAGE_CACHE_KEY);
427 cache = g_new0 (EvHeightToPageCache, 1);
428 build_height_to_page (cache, view->document, view->rotation);
429 g_object_set_data_full (G_OBJECT (view->document),
430 EV_HEIGHT_TO_PAGE_CACHE_KEY,
432 (GDestroyNotify)ev_height_to_page_cache_free);
439 ev_view_get_height_to_page (EvView *view,
446 if (!view->height_to_page_cache)
449 ev_height_to_page_cache_get_height (view->height_to_page_cache,
455 *height = (gint)(h * view->scale + 0.5);
458 *dual_height = (gint)(dh * view->scale + 0.5);
462 ev_view_get_scrollbar_size (EvView *view,
463 GtkOrientation orientation)
465 GtkWidget *widget = GTK_WIDGET (view);
467 GtkWidget *swindow = gtk_widget_get_parent (GTK_WIDGET (view));
468 GtkAllocation allocation;
472 if (!GTK_IS_SCROLLED_WINDOW (swindow))
475 gtk_widget_get_allocation (widget, &allocation);
477 if (orientation == GTK_ORIENTATION_VERTICAL) {
478 if (allocation.height >= view->requisition.height)
479 sb = gtk_scrolled_window_get_vscrollbar (GTK_SCROLLED_WINDOW (swindow));
483 if (allocation.width >= view->requisition.width)
484 sb = gtk_scrolled_window_get_hscrollbar (GTK_SCROLLED_WINDOW (swindow));
489 gtk_widget_style_get (swindow, "scrollbar_spacing", &spacing, NULL);
490 gtk_widget_size_request (sb, &req);
492 return (orientation == GTK_ORIENTATION_VERTICAL ? req.width : req.height) + spacing;
496 scroll_to_point (EvView *view,
499 GtkOrientation orientation)
502 gdouble upper, lower;
504 if (orientation == GTK_ORIENTATION_VERTICAL) {
505 page_size = gtk_adjustment_get_page_size (view->vadjustment);
506 upper = gtk_adjustment_get_upper (view->vadjustment);
507 lower = gtk_adjustment_get_lower (view->vadjustment);
509 if (view->continuous) {
510 gtk_adjustment_clamp_page (view->vadjustment,
511 y - view->spacing / 2,
514 gtk_adjustment_set_value (view->vadjustment,
515 CLAMP (y, lower, upper - page_size));
518 page_size = gtk_adjustment_get_page_size (view->hadjustment);
519 upper = gtk_adjustment_get_upper (view->hadjustment);
520 lower = gtk_adjustment_get_lower (view->hadjustment);
522 if (view->dual_page) {
523 gtk_adjustment_clamp_page (view->hadjustment, x,
526 gtk_adjustment_set_value (view->hadjustment,
527 CLAMP (x, lower, upper - page_size));
533 ev_view_scroll_to_page_position (EvView *view, GtkOrientation orientation)
540 if ((orientation == GTK_ORIENTATION_VERTICAL && view->pending_point.y == 0) ||
541 (orientation == GTK_ORIENTATION_HORIZONTAL && view->pending_point.x == 0)) {
542 GdkRectangle page_area;
545 ev_view_get_page_extents (view, view->current_page, &page_area, &border);
551 doc_point_to_view_point (view, view->current_page,
552 &view->pending_point, &view_point);
557 scroll_to_point (view, x, y, orientation);
561 view_set_adjustment_values (EvView *view,
562 GtkOrientation orientation)
564 GtkWidget *widget = GTK_WIDGET (view);
565 GtkAdjustment *adjustment;
566 GtkAllocation allocation;
575 gtk_widget_get_allocation (widget, &allocation);
577 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
578 req_size = view->requisition.width;
579 alloc_size = allocation.width;
580 adjustment = view->hadjustment;
582 req_size = view->requisition.height;
583 alloc_size = allocation.height;
584 adjustment = view->vadjustment;
591 value = gtk_adjustment_get_value (adjustment);
592 upper = gtk_adjustment_get_upper (adjustment);
593 page_size = gtk_adjustment_get_page_size (adjustment);
595 switch (view->pending_scroll) {
596 case SCROLL_TO_KEEP_POSITION:
597 case SCROLL_TO_FIND_LOCATION:
598 factor = value / upper;
600 case SCROLL_TO_PAGE_POSITION:
602 case SCROLL_TO_CENTER:
603 factor = (value + page_size * 0.5) / upper;
607 upper = MAX (alloc_size, req_size);
608 page_size = alloc_size;
610 gtk_adjustment_set_page_size (adjustment, page_size);
611 gtk_adjustment_set_step_increment (adjustment, alloc_size * 0.1);
612 gtk_adjustment_set_page_increment (adjustment, alloc_size * 0.9);
613 gtk_adjustment_set_lower (adjustment, 0);
614 gtk_adjustment_set_upper (adjustment, upper);
617 * We add 0.5 to the values before to average out our rounding errors.
619 switch (view->pending_scroll) {
620 case SCROLL_TO_KEEP_POSITION:
621 case SCROLL_TO_FIND_LOCATION:
622 new_value = CLAMP (upper * factor + 0.5, 0, upper - page_size);
623 gtk_adjustment_set_value (adjustment, (int)new_value);
625 case SCROLL_TO_PAGE_POSITION:
626 ev_view_scroll_to_page_position (view, orientation);
628 case SCROLL_TO_CENTER:
629 new_value = CLAMP (upper * factor - page_size * 0.5 + 0.5,
630 0, upper - page_size);
631 gtk_adjustment_set_value (adjustment, (int)new_value);
635 gtk_adjustment_changed (adjustment);
639 view_update_range_and_current_page (EvView *view)
641 gint start = view->start_page;
642 gint end = view->end_page;
644 if (ev_document_get_n_pages (view->document) <= 0 ||
645 !ev_document_check_dimensions (view->document))
648 if (view->continuous) {
649 GdkRectangle current_area, unused, page_area;
651 gboolean found = FALSE;
652 gint area_max = -1, area;
653 gint best_current_page = -1;
656 if (!(view->vadjustment && view->hadjustment))
659 current_area.x = gtk_adjustment_get_value (view->hadjustment);
660 current_area.width = gtk_adjustment_get_page_size (view->hadjustment);
661 current_area.y = gtk_adjustment_get_value (view->vadjustment);
662 current_area.height = gtk_adjustment_get_page_size (view->vadjustment);
664 for (i = 0; i < ev_document_get_n_pages (view->document); i++) {
666 ev_view_get_page_extents (view, i, &page_area, &border);
668 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
669 area = unused.width * unused.height;
673 view->start_page = i;
675 best_current_page = i;
677 if (area > area_max) {
678 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
684 } else if (found && view->current_page <= view->end_page) {
685 if (view->dual_page && j < 1) {
686 /* In dual mode we stop searching
687 * after two consecutive non-visible pages.
696 if (view->pending_scroll == SCROLL_TO_KEEP_POSITION) {
697 best_current_page = MAX (best_current_page, view->start_page);
699 if (view->current_page != best_current_page) {
700 view->current_page = best_current_page;
701 hide_loading_window (view);
702 ev_document_model_set_page (view->model, best_current_page);
705 } else if (view->dual_page) {
706 if (view->current_page % 2 == get_dual_even_left (view)) {
707 view->start_page = view->current_page;
708 if (view->current_page + 1 < ev_document_get_n_pages (view->document))
709 view->end_page = view->start_page + 1;
711 view->end_page = view->start_page;
713 if (view->current_page < 1)
714 view->start_page = view->current_page;
716 view->start_page = view->current_page - 1;
717 view->end_page = view->current_page;
720 view->start_page = view->current_page;
721 view->end_page = view->current_page;
724 if (view->start_page == -1 || view->end_page == -1)
727 if (start != view->start_page || end != view->end_page) {
730 for (i = start; i < view->start_page && start != -1; i++) {
731 hide_annotation_windows (view, i);
734 for (i = end; i > view->end_page && end != -1; i--) {
735 hide_annotation_windows (view, i);
739 ev_page_cache_set_page_range (view->page_cache,
742 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
745 view->selection_info.selections);
747 if (ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page))
748 gtk_widget_queue_draw (GTK_WIDGET (view));
752 set_scroll_adjustment (EvView *view,
753 GtkOrientation orientation,
754 GtkAdjustment *adjustment)
756 GtkAdjustment **to_set;
758 if (orientation == GTK_ORIENTATION_HORIZONTAL)
759 to_set = &view->hadjustment;
761 to_set = &view->vadjustment;
763 if (*to_set != adjustment) {
765 g_signal_handlers_disconnect_by_func (*to_set,
766 (gpointer) on_adjustment_value_changed,
768 g_object_unref (*to_set);
771 *to_set = adjustment;
772 view_set_adjustment_values (view, orientation);
775 g_object_ref (*to_set);
776 g_signal_connect (*to_set, "value_changed",
777 G_CALLBACK (on_adjustment_value_changed), view);
783 ev_view_set_scroll_adjustments (GtkLayout *layout,
784 GtkAdjustment *hadjustment,
785 GtkAdjustment *vadjustment)
787 EvView *view = EV_VIEW (layout);
789 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
790 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
792 on_adjustment_value_changed (NULL, view);
796 add_scroll_binding_keypad (GtkBindingSet *binding_set,
798 GdkModifierType modifiers,
799 GtkScrollType scroll,
802 guint keypad_keyval = keyval - GDK_KEY_Left + GDK_KEY_KP_Left;
804 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
805 "binding_activated", 2,
806 GTK_TYPE_SCROLL_TYPE, scroll,
807 G_TYPE_BOOLEAN, horizontal);
808 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
809 "binding_activated", 2,
810 GTK_TYPE_SCROLL_TYPE, scroll,
811 G_TYPE_BOOLEAN, horizontal);
815 compute_scroll_increment (EvView *view,
816 GtkScrollType scroll)
818 GtkWidget *widget = GTK_WIDGET (view);
819 GtkAdjustment *adjustment = view->vadjustment;
820 cairo_region_t *text_region, *region;
821 GtkAllocation allocation;
824 EvRectangle doc_rect;
825 GdkRectangle page_area;
827 gdouble fraction = 1.0;
829 if (scroll != GTK_SCROLL_PAGE_BACKWARD && scroll != GTK_SCROLL_PAGE_FORWARD)
830 return gtk_adjustment_get_page_size (adjustment);
832 page = scroll == GTK_SCROLL_PAGE_BACKWARD ? view->start_page : view->end_page;
834 text_region = ev_page_cache_get_text_mapping (view->page_cache, page);
835 if (!text_region || cairo_region_is_empty (text_region))
836 return gtk_adjustment_get_page_size (adjustment);
838 gtk_widget_get_allocation (widget, &allocation);
839 ev_view_get_page_extents (view, page, &page_area, &border);
840 rect.x = page_area.x + view->scroll_x;
841 rect.y = view->scroll_y + (scroll == GTK_SCROLL_PAGE_BACKWARD ? 5 : allocation.height - 5);
842 rect.width = page_area.width;
844 view_rect_to_doc_rect (view, &rect, &page_area, &doc_rect);
846 /* Convert the doc rectangle into a GdkRectangle */
847 rect.x = doc_rect.x1;
848 rect.y = doc_rect.y1;
849 rect.width = doc_rect.x2 - doc_rect.x1;
850 rect.height = MAX (1, doc_rect.y2 - doc_rect.y1);
851 region = cairo_region_create_rectangle (&rect);
853 cairo_region_intersect (region, text_region);
854 if (cairo_region_num_rectangles (region)) {
857 cairo_region_t *sel_region;
859 cairo_region_get_rectangle (region, 0, &rect);
860 ev_page = ev_document_get_page (view->document, page);
861 rc = ev_render_context_new (ev_page, view->rotation, view->scale);
862 g_object_unref (ev_page);
863 /* Get the selection region to know the height of the line */
864 doc_rect.x1 = doc_rect.x2 = rect.x + 0.5;
865 doc_rect.y1 = doc_rect.y2 = rect.y + 0.5;
867 ev_document_doc_mutex_lock ();
868 sel_region = ev_selection_get_selection_region (EV_SELECTION (view->document),
869 rc, EV_SELECTION_STYLE_LINE,
871 ev_document_doc_mutex_unlock ();
875 if (cairo_region_num_rectangles (sel_region) > 0) {
876 cairo_region_get_rectangle (sel_region, 0, &rect);
877 fraction = 1 - (rect.height / gtk_adjustment_get_page_size (adjustment));
879 cairo_region_destroy (sel_region);
881 cairo_region_destroy (region);
883 return gtk_adjustment_get_page_size (adjustment) * fraction;
888 ev_view_scroll (EvView *view,
889 GtkScrollType scroll,
892 GtkAdjustment *adjustment;
893 double value, increment;
894 gdouble upper, lower;
896 gdouble step_increment;
897 gboolean first_page = FALSE;
898 gboolean last_page = FALSE;
900 view->jump_to_find_result = FALSE;
902 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
904 case GTK_SCROLL_PAGE_BACKWARD:
905 case GTK_SCROLL_STEP_BACKWARD:
906 ev_view_previous_page (view);
908 case GTK_SCROLL_PAGE_FORWARD:
909 case GTK_SCROLL_STEP_FORWARD:
910 ev_view_next_page (view);
918 /* Assign values for increment and vertical adjustment */
919 adjustment = horizontal ? view->hadjustment : view->vadjustment;
920 value = gtk_adjustment_get_value (adjustment);
921 upper = gtk_adjustment_get_upper (adjustment);
922 lower = gtk_adjustment_get_lower (adjustment);
923 page_size = gtk_adjustment_get_page_size (adjustment);
924 step_increment = gtk_adjustment_get_step_increment (adjustment);
926 /* Assign boolean for first and last page */
927 if (view->current_page == 0)
929 if (view->current_page == ev_document_get_n_pages (view->document) - 1)
933 case GTK_SCROLL_PAGE_BACKWARD:
934 /* Do not jump backwards if at the first page */
935 if (value == lower && first_page) {
937 /* At the top of a page, assign the upper bound limit of previous page */
938 } else if (value == lower) {
939 value = upper - page_size;
940 ev_view_previous_page (view);
941 /* Jump to the top */
943 increment = compute_scroll_increment (view, GTK_SCROLL_PAGE_BACKWARD);
944 value = MAX (value - increment, lower);
947 case GTK_SCROLL_PAGE_FORWARD:
948 /* Do not jump forward if at the last page */
949 if (value == (upper - page_size) && last_page) {
951 /* At the bottom of a page, assign the lower bound limit of next page */
952 } else if (value == (upper - page_size)) {
954 ev_view_next_page (view);
955 /* Jump to the bottom */
957 increment = compute_scroll_increment (view, GTK_SCROLL_PAGE_FORWARD);
958 value = MIN (value + increment, upper - page_size);
961 case GTK_SCROLL_STEP_BACKWARD:
962 value -= step_increment;
964 case GTK_SCROLL_STEP_FORWARD:
965 value += step_increment;
967 case GTK_SCROLL_STEP_DOWN:
968 value -= step_increment / 10;
970 case GTK_SCROLL_STEP_UP:
971 value += step_increment / 10;
977 value = CLAMP (value, lower, upper - page_size);
979 gtk_adjustment_set_value (adjustment, value);
985 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
987 GtkWidget *widget = GTK_WIDGET (view);
988 GtkAdjustment *adjustment;
989 GtkAllocation allocation;
993 view->pending_scroll = SCROLL_TO_FIND_LOCATION;
995 gtk_widget_get_allocation (widget, &allocation);
997 adjustment = view->vadjustment;
998 adj_value = gtk_adjustment_get_value (adjustment);
1000 if (rect->y < adj_value) {
1001 value = MAX (gtk_adjustment_get_lower (adjustment), rect->y - MARGIN);
1002 gtk_adjustment_set_value (view->vadjustment, value);
1003 } else if (rect->y + rect->height > adj_value + allocation.height) {
1004 value = MIN (gtk_adjustment_get_upper (adjustment), rect->y + rect->height -
1005 allocation.height + MARGIN);
1006 gtk_adjustment_set_value (view->vadjustment, value);
1009 adjustment = view->hadjustment;
1010 adj_value = gtk_adjustment_get_value (adjustment);
1012 if (rect->x < adj_value) {
1013 value = MAX (gtk_adjustment_get_lower (adjustment), rect->x - MARGIN);
1014 gtk_adjustment_set_value (view->hadjustment, value);
1015 } else if (rect->x + rect->height > adj_value + allocation.width) {
1016 value = MIN (gtk_adjustment_get_upper (adjustment), rect->x + rect->width -
1017 allocation.width + MARGIN);
1018 gtk_adjustment_set_value (view->hadjustment, value);
1021 gtk_widget_queue_resize (GTK_WIDGET (view));
1024 /*** Geometry computations ***/
1027 compute_border (EvView *view, int width, int height, GtkBorder *border)
1029 ev_document_misc_get_page_border_size (width, height, border);
1033 _get_page_size_for_scale_and_rotation (EvDocument *document,
1043 ev_document_get_page_size (document, page, &w, &h);
1045 width = (gint)(w * scale + 0.5);
1046 height = (gint)(h * scale + 0.5);
1049 *page_width = (rotation == 0 || rotation == 180) ? width : height;
1051 *page_height = (rotation == 0 || rotation == 180) ? height : width;
1055 ev_view_get_page_size (EvView *view,
1060 _get_page_size_for_scale_and_rotation (view->document,
1069 ev_view_get_max_page_size (EvView *view,
1076 ev_document_get_max_page_size (view->document, &w, &h);
1078 width = (gint)(w * view->scale + 0.5);
1079 height = (gint)(h * view->scale + 0.5);
1082 *max_width = (view->rotation == 0 || view->rotation == 180) ? width : height;
1084 *max_height = (view->rotation == 0 || view->rotation == 180) ? height : width;
1088 get_page_y_offset (EvView *view, int page, int *y_offset)
1090 int max_width, offset;
1093 g_return_if_fail (y_offset != NULL);
1095 ev_view_get_max_page_size (view, &max_width, NULL);
1096 compute_border (view, max_width, max_width, &border);
1098 if (view->dual_page) {
1099 ev_view_get_height_to_page (view, page, NULL, &offset);
1100 offset += ((page + get_dual_even_left (view)) / 2 + 1) * view->spacing +
1101 ((page + get_dual_even_left (view)) / 2 ) * (border.top + border.bottom);
1103 ev_view_get_height_to_page (view, page, &offset, NULL);
1104 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
1112 ev_view_get_page_extents (EvView *view,
1114 GdkRectangle *page_area,
1119 GtkAllocation allocation;
1121 widget = GTK_WIDGET (view);
1122 gtk_widget_get_allocation (widget, &allocation);
1124 /* Get the size of the page */
1125 ev_view_get_page_size (view, page, &width, &height);
1126 compute_border (view, width, height, border);
1127 page_area->width = width + border->left + border->right;
1128 page_area->height = height + border->top + border->bottom;
1130 if (view->continuous) {
1134 ev_view_get_max_page_size (view, &max_width, NULL);
1135 max_width = max_width + border->left + border->right;
1136 /* Get the location of the bounding box */
1137 if (view->dual_page) {
1138 x = view->spacing + ((page % 2 == get_dual_even_left (view)) ? 0 : 1) * (max_width + view->spacing);
1139 x = x + MAX (0, allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
1140 if (page % 2 == get_dual_even_left (view))
1141 x = x + (max_width - width - border->left - border->right);
1144 x = x + MAX (0, allocation.width - (width + view->spacing * 2)) / 2;
1147 get_page_y_offset (view, page, &y);
1153 if (view->dual_page) {
1154 gint width_2, height_2;
1155 gint max_width = width;
1156 gint max_height = height;
1157 GtkBorder overall_border;
1160 other_page = (page % 2 == get_dual_even_left (view)) ? page + 1: page - 1;
1162 /* First, we get the bounding box of the two pages */
1163 if (other_page < ev_document_get_n_pages (view->document)
1164 && (0 <= other_page)) {
1165 ev_view_get_page_size (view, other_page,
1166 &width_2, &height_2);
1167 if (width_2 > width)
1168 max_width = width_2;
1169 if (height_2 > height)
1170 max_height = height_2;
1172 compute_border (view, max_width, max_height, &overall_border);
1174 /* Find the offsets */
1178 /* Adjust for being the left or right page */
1179 if (page % 2 == get_dual_even_left (view))
1180 x = x + max_width - width;
1182 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
1184 y = y + (max_height - height)/2;
1186 /* Adjust for extra allocation */
1187 x = x + MAX (0, allocation.width -
1188 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
1189 y = y + MAX (0, allocation.height - (height + view->spacing * 2))/2;
1194 /* Adjust for extra allocation */
1195 x = x + MAX (0, allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
1196 y = y + MAX (0, allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
1207 get_doc_page_size (EvView *view,
1214 ev_document_get_page_size (view->document, page, &w, &h);
1215 if (view->rotation == 0 || view->rotation == 180) {
1216 if (width) *width = w;
1217 if (height) *height = h;
1219 if (width) *width = h;
1220 if (height) *height = w;
1225 view_point_to_doc_point (EvView *view,
1226 GdkPoint *view_point,
1227 GdkRectangle *page_area,
1228 double *doc_point_x,
1229 double *doc_point_y)
1231 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
1232 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
1236 view_rect_to_doc_rect (EvView *view,
1237 GdkRectangle *view_rect,
1238 GdkRectangle *page_area,
1239 EvRectangle *doc_rect)
1241 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
1242 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
1243 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
1244 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
1248 doc_point_to_view_point (EvView *view,
1251 GdkPoint *view_point)
1253 GdkRectangle page_area;
1255 double x, y, view_x, view_y;
1256 gdouble width, height;
1258 get_doc_page_size (view, page, &width, &height);
1260 if (view->rotation == 0) {
1263 } else if (view->rotation == 90) {
1264 x = width - doc_point->y;
1266 } else if (view->rotation == 180) {
1267 x = width - doc_point->x;
1268 y = height - doc_point->y;
1269 } else if (view->rotation == 270) {
1271 y = height - doc_point->x;
1273 g_assert_not_reached ();
1276 ev_view_get_page_extents (view, page, &page_area, &border);
1278 view_x = CLAMP (x * view->scale, 0, page_area.width);
1279 view_y = CLAMP (y * view->scale, 0, page_area.height);
1280 view_point->x = view_x + page_area.x;
1281 view_point->y = view_y + page_area.y;
1285 doc_rect_to_view_rect (EvView *view,
1287 EvRectangle *doc_rect,
1288 GdkRectangle *view_rect)
1290 GdkRectangle page_area;
1293 gdouble width, height;
1295 get_doc_page_size (view, page, &width, &height);
1297 if (view->rotation == 0) {
1300 w = doc_rect->x2 - doc_rect->x1;
1301 h = doc_rect->y2 - doc_rect->y1;
1302 } else if (view->rotation == 90) {
1303 x = width - doc_rect->y2;
1305 w = doc_rect->y2 - doc_rect->y1;
1306 h = doc_rect->x2 - doc_rect->x1;
1307 } else if (view->rotation == 180) {
1308 x = width - doc_rect->x2;
1309 y = height - doc_rect->y2;
1310 w = doc_rect->x2 - doc_rect->x1;
1311 h = doc_rect->y2 - doc_rect->y1;
1312 } else if (view->rotation == 270) {
1314 y = height - doc_rect->x2;
1315 w = doc_rect->y2 - doc_rect->y1;
1316 h = doc_rect->x2 - doc_rect->x1;
1318 g_assert_not_reached ();
1321 ev_view_get_page_extents (view, page, &page_area, &border);
1323 view_rect->x = x * view->scale + page_area.x;
1324 view_rect->y = y * view->scale + page_area.y;
1325 view_rect->width = w * view->scale;
1326 view_rect->height = h * view->scale;
1330 get_dual_even_left (EvView *view)
1332 return (ev_document_get_n_pages (view->document) > 2);
1336 find_page_at_location (EvView *view,
1345 if (view->document == NULL)
1349 g_assert (x_offset);
1350 g_assert (y_offset);
1352 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
1353 GdkRectangle page_area;
1356 if (! ev_view_get_page_extents (view, i, &page_area, &border))
1359 if ((x >= page_area.x + border.left) &&
1360 (x < page_area.x + page_area.width - border.right) &&
1361 (y >= page_area.y + border.top) &&
1362 (y < page_area.y + page_area.height - border.bottom)) {
1364 *x_offset = x - (page_area.x + border.left);
1365 *y_offset = y - (page_area.y + border.top);
1374 location_in_text (EvView *view,
1378 cairo_region_t *region;
1380 gint x_offset = 0, y_offset = 0;
1382 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1387 region = ev_page_cache_get_text_mapping (view->page_cache, page);
1390 return cairo_region_contains_point (region, x_offset / view->scale, y_offset / view->scale);
1396 location_in_selected_text (EvView *view,
1401 gint x_offset = 0, y_offset = 0;
1402 EvViewSelection *selection;
1405 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1406 selection = (EvViewSelection *)l->data;
1408 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1410 if (page != selection->page)
1413 if (selection->covered_region &&
1414 cairo_region_contains_point (selection->covered_region, x_offset, y_offset))
1422 get_doc_point_from_offset (EvView *view,
1429 gdouble width, height;
1432 get_doc_page_size (view, page, &width, &height);
1434 x_offset = x_offset / view->scale;
1435 y_offset = y_offset / view->scale;
1437 if (view->rotation == 0) {
1440 } else if (view->rotation == 90) {
1442 y = width - x_offset;
1443 } else if (view->rotation == 180) {
1444 x = width - x_offset;
1445 y = height - y_offset;
1446 } else if (view->rotation == 270) {
1447 x = height - y_offset;
1450 g_assert_not_reached ();
1460 get_doc_point_from_location (EvView *view,
1467 gint x_offset = 0, y_offset = 0;
1469 x += view->scroll_x;
1470 y += view->scroll_y;
1471 find_page_at_location (view, x, y, page, &x_offset, &y_offset);
1475 return get_doc_point_from_offset (view, *page, x_offset, y_offset, x_new, y_new);
1479 ev_view_get_area_from_mapping (EvView *view,
1481 EvMappingList *mapping_list,
1487 mapping = ev_mapping_list_find (mapping_list, data);
1488 doc_rect_to_view_rect (view, page, &mapping->area, area);
1489 area->x -= view->scroll_x;
1490 area->y -= view->scroll_y;
1496 ev_view_get_link_at_location (EvView *view,
1501 gint x_new = 0, y_new = 0;
1502 EvMappingList *link_mapping;
1504 if (!EV_IS_DOCUMENT_LINKS (view->document))
1507 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1510 link_mapping = ev_page_cache_get_link_mapping (view->page_cache, page);
1513 return ev_mapping_list_get_data (link_mapping, x_new, y_new);
1519 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1522 gdouble zoom, left, top;
1523 gboolean change_left, change_top;
1524 GtkAllocation allocation;
1526 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1528 left = ev_link_dest_get_left (dest, &change_left);
1529 top = ev_link_dest_get_top (dest, &change_top);
1531 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - left,
1532 ev_link_dest_get_bottom (dest) - top,
1536 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1537 ev_document_model_set_scale (view->model, zoom);
1539 doc_point.x = change_left ? left : 0;
1540 doc_point.y = change_top ? top : 0;
1541 view->pending_point = doc_point;
1543 ev_view_change_page (view, ev_link_dest_get_page (dest));
1547 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1550 gdouble doc_width, doc_height;
1553 gboolean change_left;
1554 GtkAllocation allocation;
1556 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1558 page = ev_link_dest_get_page (dest);
1559 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1561 left = ev_link_dest_get_left (dest, &change_left);
1562 doc_point.x = change_left ? left : 0;
1565 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1569 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1570 ev_document_model_set_scale (view->model, zoom);
1572 view->pending_point = doc_point;
1574 ev_view_change_page (view, page);
1578 goto_fith_dest (EvView *view, EvLinkDest *dest)
1581 gdouble doc_width, doc_height;
1584 gboolean change_top;
1585 GtkAllocation allocation;
1587 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1589 page = ev_link_dest_get_page (dest);
1590 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1592 top = ev_link_dest_get_top (dest, &change_top);
1595 doc_point.y = change_top ? top : 0;
1597 zoom = zoom_for_size_fit_width (doc_width, top,
1601 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FIT_WIDTH);
1602 ev_document_model_set_scale (view->model, zoom);
1604 view->pending_point = doc_point;
1606 ev_view_change_page (view, page);
1610 goto_fit_dest (EvView *view, EvLinkDest *dest)
1613 gdouble doc_width, doc_height;
1615 GtkAllocation allocation;
1617 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1619 page = ev_link_dest_get_page (dest);
1620 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1622 zoom = zoom_for_size_best_fit (doc_width, doc_height,
1626 ev_document_model_set_sizing_mode (view->model, EV_SIZING_BEST_FIT);
1627 ev_document_model_set_scale (view->model, zoom);
1629 ev_view_change_page (view, page);
1633 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1637 gdouble zoom, left, top;
1638 gboolean change_zoom, change_left, change_top;
1640 zoom = ev_link_dest_get_zoom (dest, &change_zoom);
1641 page = ev_link_dest_get_page (dest);
1643 if (change_zoom && zoom > 1) {
1644 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1645 ev_document_model_set_scale (view->model, zoom);
1648 left = ev_link_dest_get_left (dest, &change_left);
1649 top = ev_link_dest_get_top (dest, &change_top);
1651 doc_point.x = change_left ? left : 0;
1652 doc_point.y = change_top ? top : 0;
1653 view->pending_point = doc_point;
1655 ev_view_change_page (view, page);
1659 goto_dest (EvView *view, EvLinkDest *dest)
1661 EvLinkDestType type;
1662 int page, n_pages, current_page;
1664 page = ev_link_dest_get_page (dest);
1665 n_pages = ev_document_get_n_pages (view->document);
1667 if (page < 0 || page >= n_pages)
1670 current_page = view->current_page;
1672 type = ev_link_dest_get_dest_type (dest);
1675 case EV_LINK_DEST_TYPE_PAGE:
1676 ev_document_model_set_page (view->model, page);
1678 case EV_LINK_DEST_TYPE_FIT:
1679 goto_fit_dest (view, dest);
1681 case EV_LINK_DEST_TYPE_FITH:
1682 goto_fith_dest (view, dest);
1684 case EV_LINK_DEST_TYPE_FITV:
1685 goto_fitv_dest (view, dest);
1687 case EV_LINK_DEST_TYPE_FITR:
1688 goto_fitr_dest (view, dest);
1690 case EV_LINK_DEST_TYPE_XYZ:
1691 goto_xyz_dest (view, dest);
1693 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1694 ev_document_model_set_page_by_label (view->model, ev_link_dest_get_page_label (dest));
1697 g_assert_not_reached ();
1700 if (current_page != view->current_page)
1701 ev_document_model_set_page (view->model, view->current_page);
1705 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1707 EvLinkDestType type;
1709 type = ev_link_dest_get_dest_type (dest);
1711 if (type == EV_LINK_DEST_TYPE_NAMED) {
1713 const gchar *named_dest;
1715 named_dest = ev_link_dest_get_named_dest (dest);
1716 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1719 goto_dest (view, dest2);
1720 g_object_unref (dest2);
1726 goto_dest (view, dest);
1730 ev_view_handle_link (EvView *view, EvLink *link)
1732 EvLinkAction *action = NULL;
1733 EvLinkActionType type;
1735 action = ev_link_get_action (link);
1739 type = ev_link_action_get_action_type (action);
1742 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1745 g_signal_emit (view, signals[SIGNAL_HANDLE_LINK], 0, link);
1747 dest = ev_link_action_get_dest (action);
1748 ev_view_goto_dest (view, dest);
1751 case EV_LINK_ACTION_TYPE_LAYERS_STATE: {
1752 GList *show, *hide, *toggle;
1754 EvDocumentLayers *document_layers;
1756 document_layers = EV_DOCUMENT_LAYERS (view->document);
1758 show = ev_link_action_get_show_list (action);
1759 for (l = show; l; l = g_list_next (l)) {
1760 ev_document_layers_show_layer (document_layers, EV_LAYER (l->data));
1763 hide = ev_link_action_get_hide_list (action);
1764 for (l = hide; l; l = g_list_next (l)) {
1765 ev_document_layers_hide_layer (document_layers, EV_LAYER (l->data));
1768 toggle = ev_link_action_get_toggle_list (action);
1769 for (l = toggle; l; l = g_list_next (l)) {
1770 EvLayer *layer = EV_LAYER (l->data);
1772 if (ev_document_layers_layer_is_visible (document_layers, layer)) {
1773 ev_document_layers_hide_layer (document_layers, layer);
1775 ev_document_layers_show_layer (document_layers, layer);
1779 g_signal_emit (view, signals[SIGNAL_LAYERS_CHANGED], 0);
1780 ev_view_reload_page (view, view->current_page, NULL);
1783 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1784 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1785 case EV_LINK_ACTION_TYPE_LAUNCH:
1786 case EV_LINK_ACTION_TYPE_NAMED:
1787 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1793 tip_from_action_named (EvLinkAction *action)
1795 const gchar *name = ev_link_action_get_name (action);
1797 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1798 return g_strdup (_("Go to first page"));
1799 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1800 return g_strdup (_("Go to previous page"));
1801 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1802 return g_strdup (_("Go to next page"));
1803 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1804 return g_strdup (_("Go to last page"));
1805 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1806 return g_strdup (_("Go to page"));
1807 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1808 return g_strdup (_("Find"));
1815 tip_from_link (EvView *view, EvLink *link)
1817 EvLinkAction *action;
1818 EvLinkActionType type;
1823 action = ev_link_get_action (link);
1824 title = ev_link_get_title (link);
1827 return title ? g_strdup (title) : NULL;
1829 type = ev_link_action_get_action_type (action);
1832 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1833 page_label = ev_document_links_get_dest_page_label (EV_DOCUMENT_LINKS (view->document),
1834 ev_link_action_get_dest (action));
1836 msg = g_strdup_printf (_("Go to page %s"), page_label);
1837 g_free (page_label);
1840 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1842 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1843 ev_link_action_get_filename (action));
1845 msg = g_strdup_printf (_("Go to file “%s”"),
1846 ev_link_action_get_filename (action));
1849 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1850 msg = g_strdup (ev_link_action_get_uri (action));
1852 case EV_LINK_ACTION_TYPE_LAUNCH:
1853 msg = g_strdup_printf (_("Launch %s"),
1854 ev_link_action_get_filename (action));
1856 case EV_LINK_ACTION_TYPE_NAMED:
1857 msg = tip_from_action_named (action);
1861 msg = g_strdup (title);
1869 ev_view_handle_cursor_over_xy (EvView *view, gint x, gint y)
1873 EvAnnotation *annot = NULL;
1875 if (view->cursor == EV_VIEW_CURSOR_HIDDEN)
1878 if (view->adding_annot) {
1879 if (view->cursor != EV_VIEW_CURSOR_ADD)
1880 ev_view_set_cursor (view, EV_VIEW_CURSOR_ADD);
1884 if (view->drag_info.in_drag) {
1885 if (view->cursor != EV_VIEW_CURSOR_DRAG)
1886 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1890 if (view->scroll_info.autoscrolling) {
1891 if (view->cursor != EV_VIEW_CURSOR_AUTOSCROLL)
1892 ev_view_set_cursor (view, EV_VIEW_CURSOR_AUTOSCROLL);
1896 link = ev_view_get_link_at_location (view, x, y);
1898 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1899 } else if ((field = ev_view_get_form_field_at_location (view, x, y))) {
1900 if (field->is_read_only) {
1901 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1902 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1903 view->cursor == EV_VIEW_CURSOR_DRAG)
1904 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1905 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
1906 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1908 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1910 } else if ((annot = ev_view_get_annotation_at_location (view, x, y))) {
1911 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1912 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1913 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1915 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1916 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1917 view->cursor == EV_VIEW_CURSOR_DRAG ||
1918 view->cursor == EV_VIEW_CURSOR_AUTOSCROLL ||
1919 view->cursor == EV_VIEW_CURSOR_ADD)
1920 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1924 g_object_set (view, "has-tooltip", TRUE, NULL);
1929 ev_view_get_image_at_location (EvView *view,
1934 gint x_new = 0, y_new = 0;
1935 EvMappingList *image_mapping;
1937 if (!EV_IS_DOCUMENT_IMAGES (view->document))
1940 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1943 image_mapping = ev_page_cache_get_image_mapping (view->page_cache, page);
1946 return ev_mapping_list_get_data (image_mapping, x_new, y_new);
1952 static EvFormField *
1953 ev_view_get_form_field_at_location (EvView *view,
1958 gint x_new = 0, y_new = 0;
1959 EvMappingList *forms_mapping;
1961 if (!EV_IS_DOCUMENT_FORMS (view->document))
1964 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1967 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache, page);
1970 return ev_mapping_list_get_data (forms_mapping, x_new, y_new);
1975 static cairo_region_t *
1976 ev_view_form_field_get_region (EvView *view,
1979 GdkRectangle view_area;
1980 EvMappingList *forms_mapping;
1982 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
1983 field->page->index);
1984 ev_view_get_area_from_mapping (view, field->page->index,
1988 return cairo_region_create_rectangle (&view_area);
1992 ev_view_forms_remove_widgets (EvView *view)
1994 ev_view_remove_all (view);
2000 ev_view_form_field_destroy (GtkWidget *widget,
2003 g_idle_add ((GSourceFunc)ev_view_forms_remove_widgets, view);
2007 ev_view_form_field_button_create_widget (EvView *view,
2010 EvFormFieldButton *field_button = EV_FORM_FIELD_BUTTON (field);
2011 cairo_region_t *field_region = NULL;
2013 switch (field_button->type) {
2014 case EV_FORM_FIELD_BUTTON_PUSH:
2016 case EV_FORM_FIELD_BUTTON_CHECK:
2017 case EV_FORM_FIELD_BUTTON_RADIO: {
2019 EvMappingList *forms_mapping;
2022 state = ev_document_forms_form_field_button_get_state (EV_DOCUMENT_FORMS (view->document),
2025 /* FIXME: it actually depends on NoToggleToOff flags */
2026 if (field_button->type == EV_FORM_FIELD_BUTTON_RADIO &&
2027 state && field_button->state)
2030 field_region = ev_view_form_field_get_region (view, field);
2032 /* For radio buttons and checkbox buttons that are in a set
2033 * we need to update also the region for the current selected item
2035 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
2036 field->page->index);
2037 for (l = ev_mapping_list_get_list (forms_mapping); l; l = g_list_next (l)) {
2038 EvFormField *button = ((EvMapping *)(l->data))->data;
2039 cairo_region_t *button_region;
2041 if (button->id == field->id)
2044 /* FIXME: only buttons in the same group should be updated */
2045 if (!EV_IS_FORM_FIELD_BUTTON (button) ||
2046 EV_FORM_FIELD_BUTTON (button)->type != field_button->type ||
2047 EV_FORM_FIELD_BUTTON (button)->state != TRUE)
2050 button_region = ev_view_form_field_get_region (view, button);
2051 cairo_region_union (field_region, button_region);
2052 cairo_region_destroy (button_region);
2055 ev_document_forms_form_field_button_set_state (EV_DOCUMENT_FORMS (view->document),
2057 field_button->state = !state;
2062 ev_view_reload_page (view, field->page->index, field_region);
2063 cairo_region_destroy (field_region);
2069 ev_view_form_field_text_save (EvView *view,
2074 if (!view->document)
2077 field = g_object_get_data (G_OBJECT (widget), "form-field");
2079 if (field->changed) {
2080 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2081 cairo_region_t *field_region;
2083 field_region = ev_view_form_field_get_region (view, field);
2085 ev_document_forms_form_field_text_set_text (EV_DOCUMENT_FORMS (view->document),
2086 field, field_text->text);
2087 field->changed = FALSE;
2088 ev_view_reload_page (view, field->page->index, field_region);
2089 cairo_region_destroy (field_region);
2094 ev_view_form_field_text_changed (GtkWidget *widget,
2097 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2100 if (GTK_IS_ENTRY (widget)) {
2101 text = g_strdup (gtk_entry_get_text (GTK_ENTRY (widget)));
2102 } else if (GTK_IS_TEXT_BUFFER (widget)) {
2103 GtkTextIter start, end;
2105 gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (widget), &start, &end);
2106 text = gtk_text_buffer_get_text (GTK_TEXT_BUFFER (widget),
2107 &start, &end, FALSE);
2110 if (!field_text->text ||
2111 (field_text->text && g_ascii_strcasecmp (field_text->text, text) != 0)) {
2112 g_free (field_text->text);
2113 field_text->text = text;
2114 field->changed = TRUE;
2119 ev_view_form_field_text_create_widget (EvView *view,
2122 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2123 GtkWidget *text = NULL;
2126 txt = ev_document_forms_form_field_text_get_text (EV_DOCUMENT_FORMS (view->document),
2129 switch (field_text->type) {
2130 case EV_FORM_FIELD_TEXT_FILE_SELECT:
2132 case EV_FORM_FIELD_TEXT_NORMAL:
2133 text = gtk_entry_new ();
2134 gtk_entry_set_has_frame (GTK_ENTRY (text), FALSE);
2135 gtk_entry_set_max_length (GTK_ENTRY (text), field_text->max_len);
2136 gtk_entry_set_visibility (GTK_ENTRY (text), !field_text->is_password);
2139 gtk_entry_set_text (GTK_ENTRY (text), txt);
2143 g_signal_connect (text, "changed",
2144 G_CALLBACK (ev_view_form_field_text_changed),
2146 g_signal_connect_after (text, "activate",
2147 G_CALLBACK (ev_view_form_field_destroy),
2150 case EV_FORM_FIELD_TEXT_MULTILINE: {
2151 GtkTextBuffer *buffer;
2153 text = gtk_text_view_new ();
2154 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text));
2157 gtk_text_buffer_set_text (buffer, txt, -1);
2161 g_signal_connect (buffer, "changed",
2162 G_CALLBACK (ev_view_form_field_text_changed),
2168 g_object_weak_ref (G_OBJECT (text),
2169 (GWeakNotify)ev_view_form_field_text_save,
2176 ev_view_form_field_choice_save (EvView *view,
2181 if (!view->document)
2184 field = g_object_get_data (G_OBJECT (widget), "form-field");
2186 if (field->changed) {
2188 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2189 cairo_region_t *field_region;
2191 field_region = ev_view_form_field_get_region (view, field);
2193 if (field_choice->is_editable) {
2194 ev_document_forms_form_field_choice_set_text (EV_DOCUMENT_FORMS (view->document),
2195 field, field_choice->text);
2197 ev_document_forms_form_field_choice_unselect_all (EV_DOCUMENT_FORMS (view->document), field);
2198 for (l = field_choice->selected_items; l; l = g_list_next (l)) {
2199 ev_document_forms_form_field_choice_select_item (EV_DOCUMENT_FORMS (view->document),
2201 GPOINTER_TO_INT (l->data));
2204 field->changed = FALSE;
2205 ev_view_reload_page (view, field->page->index, field_region);
2206 cairo_region_destroy (field_region);
2211 ev_view_form_field_choice_changed (GtkWidget *widget,
2214 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2216 if (GTK_IS_COMBO_BOX (widget)) {
2219 item = gtk_combo_box_get_active (GTK_COMBO_BOX (widget));
2220 if (!field_choice->selected_items ||
2221 GPOINTER_TO_INT (field_choice->selected_items->data) != item) {
2222 g_list_free (field_choice->selected_items);
2223 field_choice->selected_items = NULL;
2224 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2225 GINT_TO_POINTER (item));
2226 field->changed = TRUE;
2229 if (GTK_IS_COMBO_BOX_ENTRY (widget)) {
2232 text = gtk_combo_box_get_active_text (GTK_COMBO_BOX (widget));
2233 if (!field_choice->text ||
2234 (field_choice->text && g_ascii_strcasecmp (field_choice->text, text) != 0)) {
2235 g_free (field_choice->text);
2236 field_choice->text = text;
2237 field->changed = TRUE;
2240 } else if (GTK_IS_TREE_SELECTION (widget)) {
2241 GtkTreeSelection *selection = GTK_TREE_SELECTION (widget);
2242 GtkTreeModel *model;
2245 items = gtk_tree_selection_get_selected_rows (selection, &model);
2246 g_list_free (field_choice->selected_items);
2247 field_choice->selected_items = NULL;
2249 for (l = items; l && l->data; l = g_list_next (l)) {
2251 GtkTreePath *path = (GtkTreePath *)l->data;
2254 gtk_tree_model_get_iter (model, &iter, path);
2255 gtk_tree_model_get (model, &iter, 1, &item, -1);
2257 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2258 GINT_TO_POINTER (item));
2260 gtk_tree_path_free (path);
2263 g_list_free (items);
2265 field->changed = TRUE;
2270 ev_view_form_field_choice_create_widget (EvView *view,
2273 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2275 GtkTreeModel *model;
2277 gint selected_item = 0;
2279 n_items = ev_document_forms_form_field_choice_get_n_items (EV_DOCUMENT_FORMS (view->document),
2281 model = GTK_TREE_MODEL (gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT));
2282 for (i = 0; i < n_items; i++) {
2286 item = ev_document_forms_form_field_choice_get_item (EV_DOCUMENT_FORMS (view->document),
2288 if (ev_document_forms_form_field_choice_is_item_selected (
2289 EV_DOCUMENT_FORMS (view->document), field, i)) {
2291 /* FIXME: we need a get_selected_items function in poppler */
2292 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2293 GINT_TO_POINTER (i));
2297 gtk_list_store_append (GTK_LIST_STORE (model), &iter);
2298 gtk_list_store_set (GTK_LIST_STORE (model), &iter,
2306 if (field_choice->type == EV_FORM_FIELD_CHOICE_LIST) {
2307 GtkCellRenderer *renderer;
2308 GtkWidget *tree_view;
2309 GtkTreeSelection *selection;
2311 tree_view = gtk_tree_view_new_with_model (model);
2312 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);
2314 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
2315 if (field_choice->multi_select) {
2316 gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
2319 /* TODO: set selected items */
2321 renderer = gtk_cell_renderer_text_new ();
2322 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
2328 choice = gtk_scrolled_window_new (NULL, NULL);
2329 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (choice),
2330 GTK_POLICY_AUTOMATIC,
2331 GTK_POLICY_AUTOMATIC);
2332 gtk_container_add (GTK_CONTAINER (choice), tree_view);
2333 gtk_widget_show (tree_view);
2335 g_signal_connect (selection, "changed",
2336 G_CALLBACK (ev_view_form_field_choice_changed),
2338 g_signal_connect_after (selection, "changed",
2339 G_CALLBACK (ev_view_form_field_destroy),
2341 } else if (field_choice->is_editable) { /* ComboBoxEntry */
2344 choice = gtk_combo_box_entry_new_with_model (model, 0);
2345 text = ev_document_forms_form_field_choice_get_text (EV_DOCUMENT_FORMS (view->document), field);
2347 gtk_entry_set_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (choice))), text);
2351 g_signal_connect (choice, "changed",
2352 G_CALLBACK (ev_view_form_field_choice_changed),
2354 g_signal_connect_after (gtk_bin_get_child (GTK_BIN (choice)),
2356 G_CALLBACK (ev_view_form_field_destroy),
2358 } else { /* ComboBoxText */
2359 GtkCellRenderer *renderer;
2361 choice = gtk_combo_box_new_with_model (model);
2362 renderer = gtk_cell_renderer_text_new ();
2363 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (choice),
2365 gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (choice),
2369 gtk_combo_box_set_active (GTK_COMBO_BOX (choice), selected_item);
2370 gtk_combo_box_popup (GTK_COMBO_BOX (choice));
2372 g_signal_connect (choice, "changed",
2373 G_CALLBACK (ev_view_form_field_choice_changed),
2375 g_signal_connect_after (choice, "changed",
2376 G_CALLBACK (ev_view_form_field_destroy),
2380 g_object_unref (model);
2382 g_object_weak_ref (G_OBJECT (choice),
2383 (GWeakNotify)ev_view_form_field_choice_save,
2390 ev_view_handle_form_field (EvView *view,
2395 GtkWidget *field_widget = NULL;
2396 EvMappingList *form_field_mapping;
2397 GdkRectangle view_area;
2399 if (field->is_read_only)
2402 if (EV_IS_FORM_FIELD_BUTTON (field)) {
2403 field_widget = ev_view_form_field_button_create_widget (view, field);
2404 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
2405 field_widget = ev_view_form_field_text_create_widget (view, field);
2406 } else if (EV_IS_FORM_FIELD_CHOICE (field)) {
2407 field_widget = ev_view_form_field_choice_create_widget (view, field);
2408 } else if (EV_IS_FORM_FIELD_SIGNATURE (field)) {
2412 /* Form field doesn't require a widget */
2416 g_object_set_data_full (G_OBJECT (field_widget), "form-field",
2417 g_object_ref (field),
2418 (GDestroyNotify)g_object_unref);
2420 form_field_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
2421 field->page->index);
2422 ev_view_get_area_from_mapping (view, field->page->index,
2426 gtk_layout_put (GTK_LAYOUT (view), field_widget, view_area.x, view_area.y);
2427 gtk_widget_show (field_widget);
2428 gtk_widget_grab_focus (field_widget);
2432 static EvViewWindowChild *
2433 ev_view_get_window_child (EvView *view,
2436 GList *children = view->window_children;
2439 EvViewWindowChild *child;
2441 child = (EvViewWindowChild *)children->data;
2442 children = children->next;
2444 if (child->window == window)
2452 ev_view_window_child_move (EvView *view,
2453 EvViewWindowChild *child,
2457 GtkAllocation allocation;
2460 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
2461 gtk_window_get_size (GTK_WINDOW (child->window), &width, &height);
2465 gtk_window_move (GTK_WINDOW (child->window),
2466 CLAMP (x, child->parent_x,
2467 child->parent_x + allocation.width - width),
2468 CLAMP (y, child->parent_y,
2469 child->parent_y + allocation.height - height));
2473 ev_view_window_child_move_with_parent (EvView *view,
2476 EvViewWindowChild *child;
2477 gint root_x, root_y;
2479 child = ev_view_get_window_child (view, window);
2480 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2482 if (root_x != child->parent_x || root_y != child->parent_y) {
2483 gint dest_x, dest_y;
2485 dest_x = child->x + (root_x - child->parent_x);
2486 dest_y = child->y + (root_y - child->parent_y);
2487 child->parent_x = root_x;
2488 child->parent_y = root_y;
2489 ev_view_window_child_move (view, child, dest_x, dest_y);
2492 if (child->visible && !gtk_widget_get_visible (window))
2493 gtk_widget_show (window);
2497 ev_view_window_child_put (EvView *view,
2505 EvViewWindowChild *child;
2506 gint root_x, root_y;
2508 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2511 child = g_new0 (EvViewWindowChild, 1);
2512 child->window = window;
2514 child->orig_x = orig_x;
2515 child->orig_y = orig_y;
2516 child->parent_x = root_x;
2517 child->parent_y = root_y;
2518 child->visible = ev_annotation_window_is_open (EV_ANNOTATION_WINDOW (window));
2519 ev_view_window_child_move (view, child, x + root_x, y + root_y);
2522 gtk_widget_show (window);
2524 gtk_widget_hide (window);
2526 view->window_children = g_list_append (view->window_children, child);
2529 static EvViewWindowChild *
2530 ev_view_find_window_child_for_annot (EvView *view,
2532 EvAnnotation *annot)
2534 GList *children = view->window_children;
2537 EvViewWindowChild *child;
2538 EvAnnotation *wannot;
2540 child = (EvViewWindowChild *)children->data;
2541 children = children->next;
2543 if (child->page != page)
2546 wannot = ev_annotation_window_get_annotation (EV_ANNOTATION_WINDOW (child->window));
2547 if (ev_annotation_equal (wannot, annot))
2555 ev_view_window_children_free (EvView *view)
2559 if (!view->window_children)
2562 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
2563 EvViewWindowChild *child;
2565 child = (EvViewWindowChild *)l->data;
2566 gtk_widget_destroy (GTK_WIDGET (child->window));
2569 g_list_free (view->window_children);
2570 view->window_children = NULL;
2571 view->window_child_focus = NULL;
2575 annotation_window_grab_focus (GtkWidget *widget,
2578 if (view->window_child_focus)
2579 ev_annotation_window_ungrab_focus (EV_ANNOTATION_WINDOW (view->window_child_focus->window));
2580 view->window_child_focus = ev_view_get_window_child (view, widget);
2584 annotation_window_closed (EvAnnotationWindow *window,
2587 EvViewWindowChild *child;
2589 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2590 child->visible = FALSE;
2594 annotation_window_moved (EvAnnotationWindow *window,
2599 EvViewWindowChild *child;
2600 GdkRectangle page_area;
2602 GdkRectangle view_rect;
2603 EvRectangle doc_rect;
2606 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2607 if (child->x == x && child->y == y)
2610 child->moved = TRUE;
2614 /* Window has been moved by the user,
2615 * we have to set a new origin in doc coords
2617 gtk_window_get_size (GTK_WINDOW (window), &width, &height);
2618 view_rect.x = (x - child->parent_x) + view->scroll_x;
2619 view_rect.y = (y - child->parent_y) + view->scroll_y;
2620 view_rect.width = width;
2621 view_rect.height = height;
2623 ev_view_get_page_extents (view, child->page, &page_area, &border);
2624 view_rect_to_doc_rect (view, &view_rect, &page_area, &doc_rect);
2625 child->orig_x = doc_rect.x1;
2626 child->orig_y = doc_rect.y1;
2630 ev_view_annotation_save_contents (EvView *view,
2632 EvAnnotation *annot)
2634 if (!view->document)
2637 ev_document_doc_mutex_lock ();
2638 ev_document_annotations_save_annotation (EV_DOCUMENT_ANNOTATIONS (view->document),
2639 annot, EV_ANNOTATIONS_SAVE_CONTENTS);
2640 ev_document_doc_mutex_unlock ();
2644 ev_view_create_annotation_window (EvView *view,
2645 EvAnnotation *annot,
2649 EvRectangle doc_rect;
2650 GdkRectangle view_rect;
2653 window = ev_annotation_window_new (annot, parent);
2654 g_signal_connect (window, "grab_focus",
2655 G_CALLBACK (annotation_window_grab_focus),
2657 g_signal_connect (window, "closed",
2658 G_CALLBACK (annotation_window_closed),
2660 g_signal_connect (window, "moved",
2661 G_CALLBACK (annotation_window_moved),
2663 g_signal_connect_swapped (annot, "notify::contents",
2664 G_CALLBACK (ev_view_annotation_save_contents),
2666 g_object_set_data (G_OBJECT (annot), "popup", window);
2668 page = ev_annotation_get_page_index (annot);
2669 ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (window), &doc_rect);
2670 doc_rect_to_view_rect (view, page, &doc_rect, &view_rect);
2671 view_rect.x -= view->scroll_x;
2672 view_rect.y -= view->scroll_y;
2674 ev_view_window_child_put (view, window, page,
2675 view_rect.x, view_rect.y,
2676 doc_rect.x1, doc_rect.y1);
2682 show_annotation_windows (EvView *view,
2685 EvMappingList *annots;
2689 parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
2691 annots = ev_page_cache_get_annot_mapping (view->page_cache, page);
2693 for (l = ev_mapping_list_get_list (annots); l && l->data; l = g_list_next (l)) {
2694 EvAnnotation *annot;
2695 EvViewWindowChild *child;
2698 annot = ((EvMapping *)(l->data))->data;
2700 if (!EV_IS_ANNOTATION_MARKUP (annot))
2703 if (!ev_annotation_markup_has_popup (EV_ANNOTATION_MARKUP (annot)))
2706 window = g_object_get_data (G_OBJECT (annot), "popup");
2708 ev_view_window_child_move_with_parent (view, window);
2712 /* Look if we already have a popup for this annot */
2713 child = ev_view_find_window_child_for_annot (view, page, annot);
2714 window = child ? child->window : NULL;
2716 ev_annotation_window_set_annotation (EV_ANNOTATION_WINDOW (window), annot);
2717 g_object_set_data (G_OBJECT (annot), "popup", window);
2718 ev_view_window_child_move_with_parent (view, window);
2720 ev_view_create_annotation_window (view, annot, parent);
2726 hide_annotation_windows (EvView *view,
2729 EvMappingList *annots;
2732 annots = ev_page_cache_get_annot_mapping (view->page_cache, page);
2734 for (l = ev_mapping_list_get_list (annots); l && l->data; l = g_list_next (l)) {
2735 EvAnnotation *annot;
2738 annot = ((EvMapping *)(l->data))->data;
2740 if (!EV_IS_ANNOTATION_MARKUP (annot))
2743 window = g_object_get_data (G_OBJECT (annot), "popup");
2745 gtk_widget_hide (window);
2749 static EvAnnotation *
2750 ev_view_get_annotation_at_location (EvView *view,
2755 gint x_new = 0, y_new = 0;
2756 EvMappingList *annotations_mapping;
2758 if (!EV_IS_DOCUMENT_ANNOTATIONS (view->document))
2761 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
2764 annotations_mapping = ev_page_cache_get_annot_mapping (view->page_cache, page);
2766 if (annotations_mapping)
2767 return ev_mapping_list_get_data (annotations_mapping, x_new, y_new);
2773 ev_view_annotation_show_popup_window (EvView *view,
2776 EvViewWindowChild *child;
2781 child = ev_view_get_window_child (view, window);
2782 if (!child->visible) {
2783 child->visible = TRUE;
2784 ev_view_window_child_move (view, child, child->x, child->y);
2785 gtk_widget_show (window);
2790 ev_view_handle_annotation (EvView *view,
2791 EvAnnotation *annot,
2796 if (EV_IS_ANNOTATION_MARKUP (annot)) {
2799 window = g_object_get_data (G_OBJECT (annot), "popup");
2800 ev_view_annotation_show_popup_window (view, window);
2803 if (EV_IS_ANNOTATION_ATTACHMENT (annot)) {
2804 EvAttachment *attachment;
2806 attachment = ev_annotation_attachment_get_attachment (EV_ANNOTATION_ATTACHMENT (annot));
2808 GError *error = NULL;
2810 ev_attachment_open (attachment,
2811 gtk_widget_get_screen (GTK_WIDGET (view)),
2816 g_warning ("%s", error->message);
2817 g_error_free (error);
2824 ev_view_create_annotation (EvView *view,
2825 EvAnnotationType annot_type,
2829 EvAnnotation *annot;
2831 GdkRectangle page_area;
2833 EvRectangle doc_rect, popup_rect;
2835 GdkColor color = { 0, 65535, 65535, 0 };
2836 GdkRectangle view_rect;
2837 cairo_region_t *region;
2841 ev_view_get_page_extents (view, view->current_page, &page_area, &border);
2842 view_point_to_doc_point (view, &point, &page_area,
2843 &doc_rect.x1, &doc_rect.y1);
2844 doc_rect.x2 = doc_rect.x1 + 24;
2845 doc_rect.y2 = doc_rect.y1 + 24;
2847 ev_document_doc_mutex_lock ();
2848 page = ev_document_get_page (view->document, view->current_page);
2849 switch (annot_type) {
2850 case EV_ANNOTATION_TYPE_TEXT:
2851 annot = ev_annotation_text_new (page);
2853 case EV_ANNOTATION_TYPE_ATTACHMENT:
2855 g_object_unref (page);
2856 ev_document_doc_mutex_unlock ();
2859 g_assert_not_reached ();
2861 g_object_unref (page);
2863 ev_annotation_set_color (annot, &color);
2865 if (EV_IS_ANNOTATION_MARKUP (annot)) {
2866 popup_rect.x1 = doc_rect.x2;
2867 popup_rect.x2 = popup_rect.x1 + 200;
2868 popup_rect.y1 = doc_rect.y2;
2869 popup_rect.y2 = popup_rect.y1 + 150;
2870 g_object_set (annot,
2871 "rectangle", &popup_rect,
2873 "popup_is_open", FALSE,
2874 "label", g_get_real_name (),
2878 ev_document_annotations_add_annotation (EV_DOCUMENT_ANNOTATIONS (view->document),
2880 ev_document_doc_mutex_unlock ();
2882 /* If the page didn't have annots, mark the cache as dirty */
2883 if (!ev_page_cache_get_annot_mapping (view->page_cache, view->current_page))
2884 ev_page_cache_mark_dirty (view->page_cache, view->current_page);
2886 if (EV_IS_ANNOTATION_MARKUP (annot)) {
2890 parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
2891 window = ev_view_create_annotation_window (view, annot, parent);
2893 /* Show the annot window the first time */
2894 ev_view_annotation_show_popup_window (view, window);
2897 doc_rect_to_view_rect (view, view->current_page, &doc_rect, &view_rect);
2898 view_rect.x -= view->scroll_x;
2899 view_rect.y -= view->scroll_y;
2900 region = cairo_region_create_rectangle (&view_rect);
2901 ev_view_reload_page (view, view->current_page, region);
2902 cairo_region_destroy (region);
2904 g_signal_emit (view, signals[SIGNAL_ANNOT_ADDED], 0, annot);
2908 ev_view_focus_annotation (EvView *view,
2909 EvMapping *annot_mapping)
2911 GdkRectangle view_rect;
2912 EvAnnotation *annot;
2915 if (!EV_IS_DOCUMENT_ANNOTATIONS (view->document))
2918 if (view->focus_annotation == annot_mapping)
2921 view->focus_annotation = annot_mapping;
2922 annot = (EvAnnotation *)annot_mapping->data;
2924 page = ev_annotation_get_page_index (annot);
2925 ev_document_model_set_page (view->model, page);
2927 doc_rect_to_view_rect (view, page,
2928 &annot_mapping->area, &view_rect);
2929 ensure_rectangle_is_visible (view, &view_rect);
2930 gtk_widget_queue_draw (GTK_WIDGET (view));
2934 ev_view_begin_add_annotation (EvView *view,
2935 EvAnnotationType annot_type)
2937 if (annot_type == EV_ANNOTATION_TYPE_UNKNOWN)
2940 if (view->adding_annot)
2943 view->adding_annot = TRUE;
2944 view->adding_annot_type = annot_type;
2945 ev_view_set_cursor (view, EV_VIEW_CURSOR_ADD);
2949 ev_view_cancel_add_annotation (EvView *view)
2953 if (!view->adding_annot)
2956 view->adding_annot = FALSE;
2957 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
2958 ev_view_handle_cursor_over_xy (view, x, y);
2962 ev_view_synctex_backward_search (EvView *view,
2967 gint x_new = 0, y_new = 0;
2970 if (!ev_document_has_synctex (view->document))
2973 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
2976 link = ev_document_synctex_backward_search (view->document, page, x_new, y_new);
2978 g_signal_emit (view, signals[SIGNAL_SYNC_SOURCE], 0, link);
2987 /*** GtkWidget implementation ***/
2990 ev_view_size_request_continuous_dual_page (EvView *view,
2991 GtkRequisition *requisition)
2995 n_pages = ev_document_get_n_pages (view->document) + 1;
2996 get_page_y_offset (view, n_pages, &requisition->height);
2998 switch (view->sizing_mode) {
2999 case EV_SIZING_FIT_WIDTH:
3000 case EV_SIZING_BEST_FIT:
3001 requisition->width = 1;
3004 case EV_SIZING_FREE: {
3008 ev_view_get_max_page_size (view, &max_width, NULL);
3009 compute_border (view, max_width, max_width, &border);
3010 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
3014 g_assert_not_reached ();
3019 ev_view_size_request_continuous (EvView *view,
3020 GtkRequisition *requisition)
3024 n_pages = ev_document_get_n_pages (view->document);
3025 get_page_y_offset (view, n_pages, &requisition->height);
3027 switch (view->sizing_mode) {
3028 case EV_SIZING_FIT_WIDTH:
3029 case EV_SIZING_BEST_FIT:
3030 requisition->width = 1;
3033 case EV_SIZING_FREE: {
3037 ev_view_get_max_page_size (view, &max_width, NULL);
3038 compute_border (view, max_width, max_width, &border);
3039 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
3043 g_assert_not_reached ();
3048 ev_view_size_request_dual_page (EvView *view,
3049 GtkRequisition *requisition)
3054 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
3055 requisition->width = 1;
3056 requisition->height = 1;
3061 /* Find the largest of the two. */
3062 ev_view_get_page_size (view,
3065 if (view->current_page + 1 < ev_document_get_n_pages (view->document)) {
3066 gint width_2, height_2;
3067 ev_view_get_page_size (view,
3068 view->current_page + 1,
3069 &width_2, &height_2);
3070 if (width_2 > width) {
3075 compute_border (view, width, height, &border);
3077 requisition->width = view->sizing_mode == EV_SIZING_FIT_WIDTH ? 1 :
3078 ((width + border.left + border.right) * 2) + (view->spacing * 3);
3079 requisition->height = (height + border.top + border.bottom) + (view->spacing * 2);
3083 ev_view_size_request_single_page (EvView *view,
3084 GtkRequisition *requisition)
3089 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
3090 requisition->width = 1;
3091 requisition->height = 1;
3096 ev_view_get_page_size (view, view->current_page, &width, &height);
3097 compute_border (view, width, height, &border);
3099 requisition->width = view->sizing_mode == EV_SIZING_FIT_WIDTH ? 1 :
3100 width + border.left + border.right + (2 * view->spacing);
3101 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
3105 ev_view_size_request (GtkWidget *widget,
3106 GtkRequisition *requisition)
3108 EvView *view = EV_VIEW (widget);
3110 if (view->document == NULL) {
3111 view->requisition.width = 1;
3112 view->requisition.height = 1;
3114 *requisition = view->requisition;
3119 /* Get zoom for size here when not called from
3120 * ev_view_size_allocate()
3122 if (!view->internal_size_request &&
3123 (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
3124 view->sizing_mode == EV_SIZING_BEST_FIT)) {
3125 GtkAllocation allocation;
3127 gtk_widget_get_allocation (widget, &allocation);
3128 ev_view_zoom_for_size (view,
3133 if (view->continuous && view->dual_page)
3134 ev_view_size_request_continuous_dual_page (view, &view->requisition);
3135 else if (view->continuous)
3136 ev_view_size_request_continuous (view, &view->requisition);
3137 else if (view->dual_page)
3138 ev_view_size_request_dual_page (view, &view->requisition);
3140 ev_view_size_request_single_page (view, &view->requisition);
3142 *requisition = view->requisition;
3146 ev_view_size_allocate (GtkWidget *widget,
3147 GtkAllocation *allocation)
3149 EvView *view = EV_VIEW (widget);
3150 GList *children, *l;
3151 gint root_x, root_y;
3153 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
3155 if (!view->document)
3158 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
3159 view->sizing_mode == EV_SIZING_BEST_FIT) {
3162 ev_view_zoom_for_size (view,
3164 allocation->height);
3165 view->internal_size_request = TRUE;
3166 ev_view_size_request (widget, &req);
3167 view->internal_size_request = FALSE;
3170 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
3171 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
3174 view_update_range_and_current_page (view);
3176 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
3177 view->pending_resize = FALSE;
3178 view->pending_point.x = 0;
3179 view->pending_point.y = 0;
3181 children = gtk_container_get_children (GTK_CONTAINER (widget));
3182 for (l = children; l && l->data; l = g_list_next (l)) {
3184 GdkRectangle view_area;
3185 EvMappingList *form_field_mapping;
3186 GtkAllocation child_allocation;
3187 GtkRequisition child_requisition;
3188 GtkWidget *child = (GtkWidget *)l->data;
3190 field = g_object_get_data (G_OBJECT (child), "form-field");
3194 form_field_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
3195 field->page->index);
3196 ev_view_get_area_from_mapping (view, field->page->index,
3200 gtk_widget_size_request (child, &child_requisition);
3201 if (child_requisition.width != view_area.width ||
3202 child_requisition.height != view_area.height)
3203 gtk_widget_set_size_request (child, view_area.width, view_area.height);
3205 gtk_container_child_get (GTK_CONTAINER (widget),
3207 "x", &child_allocation.x,
3208 "y", &child_allocation.y,
3210 if (child_allocation.x != view_area.x ||
3211 child_allocation.y != view_area.y) {
3212 gtk_layout_move (GTK_LAYOUT (widget), child, view_area.x, view_area.y);
3215 g_list_free (children);
3217 if (view->window_children)
3218 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
3221 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
3222 EvViewWindowChild *child;
3223 EvRectangle doc_rect;
3224 GdkRectangle view_rect;
3226 child = (EvViewWindowChild *)l->data;
3228 ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (child->window), &doc_rect);
3230 doc_rect.x1 = child->orig_x;
3231 doc_rect.y1 = child->orig_y;
3233 doc_rect_to_view_rect (view, child->page, &doc_rect, &view_rect);
3234 view_rect.x -= view->scroll_x;
3235 view_rect.y -= view->scroll_y;
3237 if (view_rect.x != child->orig_x || view_rect.y != child->orig_y) {
3238 child->parent_x = root_x;
3239 child->parent_y = root_y;
3240 ev_view_window_child_move (view, child, view_rect.x + root_x, view_rect.y + root_y);
3246 ev_view_realize (GtkWidget *widget)
3248 EvView *view = EV_VIEW (widget);
3249 GdkWindow *bin_window;
3252 if (GTK_WIDGET_CLASS (ev_view_parent_class)->realize)
3253 (* GTK_WIDGET_CLASS (ev_view_parent_class)->realize) (widget);
3255 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
3256 gdk_window_set_events (bin_window,
3257 (gdk_window_get_events (bin_window) |
3259 GDK_BUTTON_PRESS_MASK |
3260 GDK_BUTTON_RELEASE_MASK |
3262 GDK_KEY_PRESS_MASK |
3263 GDK_POINTER_MOTION_MASK |
3264 GDK_POINTER_MOTION_HINT_MASK |
3265 GDK_ENTER_NOTIFY_MASK |
3266 GDK_LEAVE_NOTIFY_MASK));
3268 style = gtk_widget_get_style (widget);
3269 gdk_window_set_background (bin_window, &style->mid[GTK_STATE_NORMAL]);
3271 on_adjustment_value_changed (NULL, view);
3275 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
3277 EvView *view = EV_VIEW (widget);
3280 state = event->state & gtk_accelerator_get_default_mod_mask ();
3282 if (state == GDK_CONTROL_MASK) {
3283 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
3284 if (event->direction == GDK_SCROLL_UP ||
3285 event->direction == GDK_SCROLL_LEFT) {
3286 if (ev_view_can_zoom_in (view)) {
3287 ev_view_zoom_in (view);
3290 if (ev_view_can_zoom_out (view)) {
3291 ev_view_zoom_out (view);
3298 view->jump_to_find_result = FALSE;
3300 /* Shift+Wheel scrolls the in the perpendicular direction */
3301 if (state & GDK_SHIFT_MASK) {
3302 if (event->direction == GDK_SCROLL_UP)
3303 event->direction = GDK_SCROLL_LEFT;
3304 else if (event->direction == GDK_SCROLL_LEFT)
3305 event->direction = GDK_SCROLL_UP;
3306 else if (event->direction == GDK_SCROLL_DOWN)
3307 event->direction = GDK_SCROLL_RIGHT;
3308 else if (event->direction == GDK_SCROLL_RIGHT)
3309 event->direction = GDK_SCROLL_DOWN;
3311 event->state &= ~GDK_SHIFT_MASK;
3312 state &= ~GDK_SHIFT_MASK;
3315 if (state == 0 && view->sizing_mode == EV_SIZING_BEST_FIT && !view->continuous) {
3316 switch (event->direction) {
3317 case GDK_SCROLL_DOWN:
3318 case GDK_SCROLL_RIGHT:
3319 ev_view_next_page (view);
3322 case GDK_SCROLL_LEFT:
3323 ev_view_previous_page (view);
3333 static EvViewSelection *
3334 find_selection_for_page (EvView *view,
3339 for (list = view->selection_info.selections; list != NULL; list = list->next) {
3340 EvViewSelection *selection;
3342 selection = (EvViewSelection *) list->data;
3344 if (selection->page == page)
3351 #if GTK_CHECK_VERSION (2, 90, 8)
3353 ev_view_draw (GtkWidget *widget,
3357 ev_view_expose_event (GtkWidget *widget,
3358 GdkEventExpose *event)
3361 EvView *view = EV_VIEW (widget);
3363 #if GTK_CHECK_VERSION (2, 90, 8)
3364 cairo_rectangle_int_t clip_rect;
3365 GdkRectangle *area = &clip_rect;
3367 GdkWindow *bin_window;
3369 GdkRectangle *area = &event->area;
3372 if (view->loading) {
3373 show_loading_window (view);
3374 } else if (view->loading_window &&
3375 gtk_widget_get_visible (view->loading_window)) {
3376 ev_view_loading_window_move (view);
3379 if (view->document == NULL)
3382 #if GTK_CHECK_VERSION (2, 90, 8)
3383 if (!gdk_cairo_get_clip_rectangle (cr, &clip_rect))
3386 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
3387 cr = gdk_cairo_create (bin_window);
3390 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
3391 GdkRectangle page_area;
3393 gboolean page_ready = TRUE;
3395 if (!ev_view_get_page_extents (view, i, &page_area, &border))
3398 page_area.x -= view->scroll_x;
3399 page_area.y -= view->scroll_y;
3401 draw_one_page (view, i, cr, &page_area, &border, area, &page_ready);
3403 if (page_ready && view->find_pages && view->highlight_find_results)
3404 highlight_find_results (view, cr, i);
3405 if (page_ready && EV_IS_DOCUMENT_ANNOTATIONS (view->document))
3406 show_annotation_windows (view, i);
3407 if (page_ready && view->focus_annotation)
3408 #if GTK_CHECK_VERSION (2, 90, 8)
3409 focus_annotation (view, cr, i, &clip_rect);
3411 focus_annotation (view, cr, i, &event->area);
3413 if (page_ready && view->synctex_result)
3414 highlight_forward_search_results (view, cr, i);
3417 #if GTK_CHECK_VERSION (2, 90, 8)
3418 if (GTK_WIDGET_CLASS (ev_view_parent_class)->draw)
3419 GTK_WIDGET_CLASS (ev_view_parent_class)->draw (widget, cr);
3423 if (GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event)
3424 (* GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) (widget, event);
3431 ev_view_do_popup_menu (EvView *view,
3435 GList *items = NULL;
3438 EvAnnotation *annot;
3440 image = ev_view_get_image_at_location (view, x, y);
3442 items = g_list_prepend (items, image);
3444 link = ev_view_get_link_at_location (view, x, y);
3446 items = g_list_prepend (items, link);
3448 annot = ev_view_get_annotation_at_location (view, x, y);
3450 items = g_list_prepend (items, annot);
3452 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, items);
3454 g_list_free (items);
3460 ev_view_popup_menu (GtkWidget *widget)
3464 gtk_widget_get_pointer (widget, &x, &y);
3465 return ev_view_do_popup_menu (EV_VIEW (widget), x, y);
3469 get_link_area (EvView *view,
3475 EvMappingList *link_mapping;
3477 gint x_offset = 0, y_offset = 0;
3479 x += view->scroll_x;
3480 y += view->scroll_y;
3482 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3484 link_mapping = ev_page_cache_get_link_mapping (view->page_cache, page);
3485 ev_view_get_area_from_mapping (view, page,
3491 get_annot_area (EvView *view,
3494 EvAnnotation *annot,
3497 EvMappingList *annot_mapping;
3499 gint x_offset = 0, y_offset = 0;
3501 x += view->scroll_x;
3502 y += view->scroll_y;
3504 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3506 annot_mapping = ev_page_cache_get_annot_mapping (view->page_cache, page);
3507 ev_view_get_area_from_mapping (view, page,
3513 ev_view_query_tooltip (GtkWidget *widget,
3516 gboolean keyboard_tip,
3517 GtkTooltip *tooltip)
3519 EvView *view = EV_VIEW (widget);
3521 EvAnnotation *annot;
3524 annot = ev_view_get_annotation_at_location (view, x, y);
3526 const gchar *contents;
3528 if ((contents = ev_annotation_get_contents (annot))) {
3529 GdkRectangle annot_area;
3531 get_annot_area (view, x, y, annot, &annot_area);
3532 gtk_tooltip_set_text (tooltip, contents);
3533 gtk_tooltip_set_tip_area (tooltip, &annot_area);
3539 link = ev_view_get_link_at_location (view, x, y);
3543 text = tip_from_link (view, link);
3544 if (text && g_utf8_validate (text, -1, NULL)) {
3545 GdkRectangle link_area;
3547 get_link_area (view, x, y, link, &link_area);
3548 gtk_tooltip_set_text (tooltip, text);
3549 gtk_tooltip_set_tip_area (tooltip, &link_area);
3560 start_selection_for_event (EvView *view,
3561 GdkEventButton *event)
3563 clear_selection (view);
3565 view->selection_info.start.x = event->x + view->scroll_x;
3566 view->selection_info.start.y = event->y + view->scroll_y;
3568 switch (event->type) {
3569 case GDK_2BUTTON_PRESS:
3570 view->selection_info.style = EV_SELECTION_STYLE_WORD;
3572 case GDK_3BUTTON_PRESS:
3573 view->selection_info.style = EV_SELECTION_STYLE_LINE;
3576 view->selection_info.style = EV_SELECTION_STYLE_GLYPH;
3580 /* In case of WORD or LINE, compute selections now */
3581 compute_selections (view,
3582 view->selection_info.style,
3583 &(view->selection_info.start),
3584 &(view->selection_info.start));
3588 ev_view_button_press_event (GtkWidget *widget,
3589 GdkEventButton *event)
3591 EvView *view = EV_VIEW (widget);
3593 if (!view->document)
3596 if (!gtk_widget_has_focus (widget)) {
3597 gtk_widget_grab_focus (widget);
3600 if (view->window_child_focus) {
3601 EvAnnotationWindow *window;
3602 EvAnnotation *annot;
3604 window = EV_ANNOTATION_WINDOW (view->window_child_focus->window);
3605 annot = ev_annotation_window_get_annotation (window);
3606 ev_annotation_window_ungrab_focus (window);
3607 view->window_child_focus = NULL;
3610 view->pressed_button = event->button;
3611 view->selection_info.in_drag = FALSE;
3613 if (view->adding_annot)
3616 if (view->scroll_info.autoscrolling)
3619 switch (event->button) {
3622 EvAnnotation *annot;
3625 if (event->state & GDK_CONTROL_MASK)
3626 return ev_view_synctex_backward_search (view, event->x , event->y);
3628 if (EV_IS_SELECTION (view->document) && view->selection_info.selections) {
3629 if (event->type == GDK_3BUTTON_PRESS) {
3630 start_selection_for_event (view, event);
3631 } else if (location_in_selected_text (view,
3632 event->x + view->scroll_x,
3633 event->y + view->scroll_y)) {
3634 view->selection_info.in_drag = TRUE;
3636 start_selection_for_event (view, event);
3639 gtk_widget_queue_draw (widget);
3640 } else if ((annot = ev_view_get_annotation_at_location (view, event->x, event->y))) {
3641 ev_view_handle_annotation (view, annot, event->x, event->y, event->time);
3642 } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) {
3643 ev_view_remove_all (view);
3644 ev_view_handle_form_field (view, field, event->x, event->y);
3645 } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) &&
3646 (image = ev_view_get_image_at_location (view, event->x, event->y))) {
3647 if (view->image_dnd_info.image)
3648 g_object_unref (view->image_dnd_info.image);
3649 view->image_dnd_info.image = g_object_ref (image);
3650 view->image_dnd_info.in_drag = TRUE;
3652 view->image_dnd_info.start.x = event->x + view->scroll_x;
3653 view->image_dnd_info.start.y = event->y + view->scroll_y;
3655 ev_view_remove_all (view);
3657 if (view->synctex_result) {
3658 g_free (view->synctex_result);
3659 view->synctex_result = NULL;
3660 gtk_widget_queue_draw (widget);
3663 if (view->focus_annotation)
3664 view->focus_annotation = NULL;
3666 if (EV_IS_SELECTION (view->document))
3667 start_selection_for_event (view, event);
3672 /* use root coordinates as reference point because
3673 * scrolling changes window relative coordinates */
3674 view->drag_info.start.x = event->x_root;
3675 view->drag_info.start.y = event->y_root;
3676 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
3677 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
3679 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
3683 view->scroll_info.start_y = event->y;
3684 return ev_view_do_popup_menu (view, event->x, event->y);
3691 ev_view_remove_all (EvView *view)
3693 GList *children, *child;
3695 children = gtk_container_get_children (GTK_CONTAINER (view));
3696 for (child = children; child && child->data; child = g_list_next (child)) {
3697 gtk_container_remove (GTK_CONTAINER (view),
3698 GTK_WIDGET (child->data));
3700 g_list_free (children);
3703 /*** Drag and Drop ***/
3705 ev_view_drag_data_get (GtkWidget *widget,
3706 GdkDragContext *context,
3707 GtkSelectionData *selection_data,
3711 EvView *view = EV_VIEW (widget);
3714 case TARGET_DND_TEXT:
3715 if (EV_IS_SELECTION (view->document) &&
3716 view->selection_info.selections) {
3719 text = get_selected_text (view);
3720 gtk_selection_data_set_text (selection_data,
3726 case TARGET_DND_IMAGE:
3727 if (view->image_dnd_info.image) {
3730 ev_document_doc_mutex_lock ();
3731 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3732 view->image_dnd_info.image);
3733 ev_document_doc_mutex_unlock ();
3735 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
3736 g_object_unref (pixbuf);
3739 case TARGET_DND_URI:
3740 if (view->image_dnd_info.image) {
3742 const gchar *tmp_uri;
3745 ev_document_doc_mutex_lock ();
3746 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3747 view->image_dnd_info.image);
3748 ev_document_doc_mutex_unlock ();
3750 tmp_uri = ev_image_save_tmp (view->image_dnd_info.image, pixbuf);
3751 g_object_unref (pixbuf);
3753 uris[0] = (gchar *)tmp_uri;
3755 gtk_selection_data_set_uris (selection_data, uris);
3761 ev_view_drag_motion (GtkWidget *widget,
3762 GdkDragContext *context,
3767 if (gtk_drag_get_source_widget (context) == widget)
3768 gdk_drag_status (context, 0, time);
3770 gdk_drag_status (context, gdk_drag_context_get_suggested_action (context), time);
3776 selection_update_idle_cb (EvView *view)
3778 compute_selections (view,
3779 view->selection_info.style,
3780 &view->selection_info.start,
3782 view->selection_update_id = 0;
3787 selection_scroll_timeout_cb (EvView *view)
3789 gint x, y, shift = 0;
3790 GtkWidget *widget = GTK_WIDGET (view);
3791 GtkAllocation allocation;
3793 gtk_widget_get_allocation (widget, &allocation);
3794 gtk_widget_get_pointer (widget, &x, &y);
3796 if (y > allocation.height) {
3797 shift = (y - allocation.height) / 2;
3803 gtk_adjustment_set_value (view->vadjustment,
3804 CLAMP (gtk_adjustment_get_value (view->vadjustment) + shift,
3805 gtk_adjustment_get_lower (view->vadjustment),
3806 gtk_adjustment_get_upper (view->vadjustment) -
3807 gtk_adjustment_get_page_size (view->vadjustment)));
3809 if (x > allocation.width) {
3810 shift = (x - allocation.width) / 2;
3816 gtk_adjustment_set_value (view->hadjustment,
3817 CLAMP (gtk_adjustment_get_value (view->hadjustment) + shift,
3818 gtk_adjustment_get_lower (view->hadjustment),
3819 gtk_adjustment_get_upper (view->hadjustment) -
3820 gtk_adjustment_get_page_size (view->hadjustment)));
3826 ev_view_drag_update_momentum (EvView *view)
3829 if (!view->drag_info.in_drag)
3832 for (i = DRAG_HISTORY - 1; i > 0; i--) {
3833 view->drag_info.buffer[i].x = view->drag_info.buffer[i-1].x;
3834 view->drag_info.buffer[i].y = view->drag_info.buffer[i-1].y;
3837 /* Momentum is a moving average of 10ms granularity over
3838 * the last 100ms with each 10ms stored in buffer.
3841 view->drag_info.momentum.x = (view->drag_info.buffer[DRAG_HISTORY - 1].x - view->drag_info.buffer[0].x);
3842 view->drag_info.momentum.y = (view->drag_info.buffer[DRAG_HISTORY - 1].y - view->drag_info.buffer[0].y);
3848 ev_view_scroll_drag_release (EvView *view)
3850 gdouble dhadj_value, dvadj_value;
3851 gdouble oldhadjustment, oldvadjustment;
3852 gdouble h_page_size, v_page_size;
3853 gdouble h_upper, v_upper;
3854 GtkAllocation allocation;
3856 view->drag_info.momentum.x /= 1.2;
3857 view->drag_info.momentum.y /= 1.2; /* Alter these constants to change "friction" */
3859 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
3861 h_page_size = gtk_adjustment_get_page_size (view->hadjustment);
3862 v_page_size = gtk_adjustment_get_page_size (view->vadjustment);
3864 dhadj_value = h_page_size *
3865 (gdouble)view->drag_info.momentum.x / allocation.width;
3866 dvadj_value = v_page_size *
3867 (gdouble)view->drag_info.momentum.y / allocation.height;
3869 oldhadjustment = gtk_adjustment_get_value (view->hadjustment);
3870 oldvadjustment = gtk_adjustment_get_value (view->vadjustment);
3872 h_upper = gtk_adjustment_get_upper (view->hadjustment);
3873 v_upper = gtk_adjustment_get_upper (view->vadjustment);
3875 /* When we reach the edges, we need either to absorb some momentum and bounce by
3876 * multiplying it on -0.5 or stop scrolling by setting momentum to 0. */
3877 if (((oldhadjustment + dhadj_value) > (h_upper - h_page_size)) ||
3878 ((oldhadjustment + dhadj_value) < 0))
3879 view->drag_info.momentum.x = 0;
3880 if (((oldvadjustment + dvadj_value) > (v_upper - v_page_size)) ||
3881 ((oldvadjustment + dvadj_value) < 0))
3882 view->drag_info.momentum.y = 0;
3884 gtk_adjustment_set_value (view->hadjustment,
3885 MIN (oldhadjustment + dhadj_value,
3886 h_upper - h_page_size));
3887 gtk_adjustment_set_value (view->vadjustment,
3888 MIN (oldvadjustment + dvadj_value,
3889 v_upper - v_page_size));
3891 if (((view->drag_info.momentum.x < 1) && (view->drag_info.momentum.x > -1)) &&
3892 ((view->drag_info.momentum.y < 1) && (view->drag_info.momentum.y > -1)))
3899 ev_view_motion_notify_event (GtkWidget *widget,
3900 GdkEventMotion *event)
3902 EvView *view = EV_VIEW (widget);
3903 GdkWindow *bin_window;
3906 if (!view->document)
3909 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
3911 if (event->is_hint || event->window != bin_window) {
3912 gtk_widget_get_pointer (widget, &x, &y);
3918 if (view->scroll_info.autoscrolling) {
3919 view->scroll_info.last_y = y;
3923 if (view->selection_info.in_drag) {
3924 if (gtk_drag_check_threshold (widget,
3925 view->selection_info.start.x,
3926 view->selection_info.start.y,
3928 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3930 gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT);
3932 gtk_drag_begin (widget, target_list,
3934 1, (GdkEvent *)event);
3936 view->selection_info.in_drag = FALSE;
3938 gtk_target_list_unref (target_list);
3942 } else if (view->image_dnd_info.in_drag) {
3943 if (gtk_drag_check_threshold (widget,
3944 view->selection_info.start.x,
3945 view->selection_info.start.y,
3947 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3949 gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI);
3950 gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE);
3952 gtk_drag_begin (widget, target_list,
3954 1, (GdkEvent *)event);
3956 view->image_dnd_info.in_drag = FALSE;
3958 gtk_target_list_unref (target_list);
3964 switch (view->pressed_button) {
3966 /* For the Evince 0.4.x release, we limit selection to un-rotated
3969 if (view->rotation != 0)
3972 /* Schedule timeout to scroll during selection and additionally
3973 * scroll once to allow arbitrary speed. */
3974 if (!view->selection_scroll_id)
3975 view->selection_scroll_id = g_timeout_add (SCROLL_TIME,
3976 (GSourceFunc)selection_scroll_timeout_cb,
3979 selection_scroll_timeout_cb (view);
3981 view->selection_info.in_selection = TRUE;
3982 view->motion.x = x + view->scroll_x;
3983 view->motion.y = y + view->scroll_y;
3985 /* Queue an idle to handle the motion. We do this because
3986 * handling any selection events in the motion could be slower
3987 * than new motion events reach us. We always put it in the
3988 * idle to make sure we catch up and don't visibly lag the
3990 if (!view->selection_update_id)
3991 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
3995 if (!view->drag_info.in_drag) {
3999 start = gtk_drag_check_threshold (widget,
4000 view->drag_info.start.x,
4001 view->drag_info.start.y,
4004 view->drag_info.in_drag = start;
4005 view->drag_info.drag_timeout_id = g_timeout_add (10,
4006 (GSourceFunc)ev_view_drag_update_momentum, view);
4007 /* Set 100 to choose how long it takes to build up momentum */
4008 /* Clear out previous momentum info: */
4009 for (i = 0; i < DRAG_HISTORY; i++) {
4010 view->drag_info.buffer[i].x = event->x;
4011 view->drag_info.buffer[i].y = event->y;
4013 view->drag_info.momentum.x = 0;
4014 view->drag_info.momentum.y = 0;
4017 if (view->drag_info.in_drag) {
4019 gdouble dhadj_value, dvadj_value;
4020 GtkAllocation allocation;
4022 view->drag_info.buffer[0].x = event->x;
4023 view->drag_info.buffer[0].y = event->y;
4025 dx = event->x_root - view->drag_info.start.x;
4026 dy = event->y_root - view->drag_info.start.y;
4028 gtk_widget_get_allocation (widget, &allocation);
4030 dhadj_value = gtk_adjustment_get_page_size (view->hadjustment) *
4031 (gdouble)dx / allocation.width;
4032 dvadj_value = gtk_adjustment_get_page_size (view->vadjustment) *
4033 (gdouble)dy / allocation.height;
4035 /* clamp scrolling to visible area */
4036 gtk_adjustment_set_value (view->hadjustment,
4037 MIN (view->drag_info.hadj - dhadj_value,
4038 gtk_adjustment_get_upper (view->hadjustment) -
4039 gtk_adjustment_get_page_size (view->hadjustment)));
4040 gtk_adjustment_set_value (view->vadjustment,
4041 MIN (view->drag_info.vadj - dvadj_value,
4042 gtk_adjustment_get_upper (view->vadjustment) -
4043 gtk_adjustment_get_page_size (view->vadjustment)));
4050 ev_view_handle_cursor_over_xy (view, x, y);
4057 ev_view_button_release_event (GtkWidget *widget,
4058 GdkEventButton *event)
4060 EvView *view = EV_VIEW (widget);
4061 EvLink *link = NULL;
4063 view->image_dnd_info.in_drag = FALSE;
4065 if (view->scroll_info.autoscrolling) {
4066 ev_view_autoscroll_stop (view);
4067 view->pressed_button = -1;
4072 if (view->pressed_button == 1 && event->state & GDK_CONTROL_MASK) {
4073 view->pressed_button = -1;
4077 if (view->drag_info.in_drag) {
4078 view->drag_info.release_timeout_id =
4080 (GSourceFunc)ev_view_scroll_drag_release, view);
4083 if (view->document && !view->drag_info.in_drag && view->pressed_button != 3) {
4084 link = ev_view_get_link_at_location (view, event->x, event->y);
4087 view->drag_info.in_drag = FALSE;
4089 if (view->adding_annot && view->pressed_button == 1) {
4090 view->adding_annot = FALSE;
4091 ev_view_handle_cursor_over_xy (view, event->x, event->y);
4092 view->pressed_button = -1;
4094 ev_view_create_annotation (view,
4095 view->adding_annot_type,
4096 event->x + view->scroll_x,
4097 event->y + view->scroll_y);
4102 if (view->pressed_button == 2) {
4103 ev_view_handle_cursor_over_xy (view, event->x, event->y);
4106 view->pressed_button = -1;
4108 if (view->selection_scroll_id) {
4109 g_source_remove (view->selection_scroll_id);
4110 view->selection_scroll_id = 0;
4112 if (view->selection_update_id) {
4113 g_source_remove (view->selection_update_id);
4114 view->selection_update_id = 0;
4117 if (view->selection_info.selections) {
4118 clear_link_selected (view);
4119 ev_view_update_primary_selection (view);
4121 if (view->selection_info.in_drag) {
4122 clear_selection (view);
4123 gtk_widget_queue_draw (widget);
4126 view->selection_info.in_drag = FALSE;
4128 if (event->button == 2) {
4129 EvLinkAction *action;
4130 EvLinkActionType type;
4132 action = ev_link_get_action (link);
4136 type = ev_link_action_get_action_type (action);
4137 if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
4138 g_signal_emit (view,
4139 signals[SIGNAL_EXTERNAL_LINK],
4143 ev_view_handle_link (view, link);
4151 ev_view_key_press_event (GtkWidget *widget,
4154 EvView *view = EV_VIEW (widget);
4156 if (!view->document)
4159 if (!gtk_widget_has_focus (widget)) {
4160 /* Forward key events to current focused window child */
4161 if (view->window_child_focus) {
4162 GdkEventKey *new_event;
4165 new_event = (GdkEventKey *) gdk_event_copy ((GdkEvent *)event);
4166 g_object_unref (new_event->window);
4167 new_event->window = gtk_widget_get_window (view->window_child_focus->window);
4168 if (new_event->window)
4169 g_object_ref (new_event->window);
4170 gtk_widget_realize (view->window_child_focus->window);
4171 handled = gtk_widget_event (view->window_child_focus->window, (GdkEvent *)new_event);
4172 gdk_event_free ((GdkEvent *)new_event);
4180 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
4184 ev_view_focus_in (GtkWidget *widget,
4185 GdkEventFocus *event)
4187 if (EV_VIEW (widget)->pixbuf_cache)
4188 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4189 gtk_widget_queue_draw (widget);
4195 ev_view_focus_out (GtkWidget *widget,
4196 GdkEventFocus *event)
4198 if (EV_VIEW (widget)->pixbuf_cache)
4199 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4200 gtk_widget_queue_draw (widget);
4206 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
4208 EvView *view = EV_VIEW (widget);
4210 if (view->cursor != EV_VIEW_CURSOR_NORMAL)
4211 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
4217 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
4219 EvView *view = EV_VIEW (widget);
4221 ev_view_handle_cursor_over_xy (view, event->x, event->y);
4227 ev_view_style_set (GtkWidget *widget,
4228 GtkStyle *old_style)
4230 if (EV_VIEW (widget)->pixbuf_cache)
4231 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4233 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
4239 draw_rubberband (EvView *view,
4241 const GdkRectangle *rect,
4245 const GdkColor *fill_color_gdk;
4248 style = gtk_widget_get_style (GTK_WIDGET (view));
4249 fill_color_gdk = &style->base[GTK_STATE_SELECTED];
4250 r = fill_color_gdk->red / 65535.;
4251 g = fill_color_gdk->green / 65535.;
4252 b = fill_color_gdk->blue / 65535.;
4256 cairo_set_source_rgba (cr, r, g, b, alpha);
4257 cairo_rectangle (cr,
4258 rect->x - view->scroll_x,
4259 rect->y - view->scroll_y,
4260 rect->width, rect->height);
4261 cairo_fill_preserve (cr);
4263 cairo_set_line_width (cr, 0.5);
4264 cairo_set_source_rgb (cr, r, g, b);
4272 highlight_find_results (EvView *view,
4276 gint i, n_results = 0;
4277 n_results = ev_view_find_get_n_results (view, page);
4279 for (i = 0; i < n_results; i++) {
4280 EvRectangle *rectangle;
4281 GdkRectangle view_rectangle;
4284 if (i == view->find_result && page == view->current_page) {
4290 rectangle = ev_view_find_get_result (view, page, i);
4291 doc_rect_to_view_rect (view, page, rectangle, &view_rectangle);
4292 draw_rubberband (view, cr, &view_rectangle, alpha);
4297 highlight_forward_search_results (EvView *view,
4302 EvMapping *mapping = view->synctex_result;
4304 if (GPOINTER_TO_INT (mapping->data) != page)
4307 doc_rect_to_view_rect (view, page, &mapping->area, &rect);
4310 cairo_set_source_rgb (cr, 1., 0., 0.);
4311 cairo_rectangle (cr,
4312 rect.x - view->scroll_x,
4313 rect.y - view->scroll_y,
4314 rect.width, rect.height);
4320 focus_annotation (EvView *view,
4325 GtkWidget *widget = GTK_WIDGET (view);
4327 EvMapping *mapping = view->focus_annotation;
4328 EvAnnotation *annot = (EvAnnotation *)mapping->data;
4330 if (ev_annotation_get_page_index (annot) != page)
4333 doc_rect_to_view_rect (view, page, &mapping->area, &rect);
4334 #if GTK_CHECK_VERSION (2, 90, 8)
4335 gtk_paint_focus (gtk_widget_get_style (widget),
4337 gtk_widget_get_state (widget),
4339 rect.x - view->scroll_x,
4340 rect.y - view->scroll_y,
4341 rect.width + 1, rect.height + 1);
4343 gtk_paint_focus (gtk_widget_get_style (widget),
4344 gtk_layout_get_bin_window (GTK_LAYOUT (view)),
4345 gtk_widget_get_state (widget),
4347 rect.x - view->scroll_x,
4348 rect.y - view->scroll_y,
4349 rect.width + 1, rect.height + 1);
4354 ev_view_loading_window_move (EvView *view)
4356 GtkWidget *widget = GTK_WIDGET (view);
4357 EvLoadingWindow *window = EV_LOADING_WINDOW (view->loading_window);
4358 gint root_x, root_y;
4360 GtkAllocation allocation;
4362 gtk_widget_get_allocation (widget, &allocation);
4363 gdk_window_get_origin (gtk_widget_get_window (widget), &root_x, &root_y);
4364 ev_loading_window_get_size (window, &window_width, NULL);
4366 root_x += allocation.width - window_width - 10;
4369 ev_loading_window_move (window, root_x, root_y);
4373 show_loading_window_cb (EvView *view)
4375 if (!view->loading_window) {
4379 parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
4380 view->loading_window = ev_loading_window_new (parent);
4382 /* Show the window off screen to get a valid size asap */
4383 screen = gtk_widget_get_screen (GTK_WIDGET (view));
4384 gtk_window_move (GTK_WINDOW (view->loading_window),
4385 gdk_screen_get_width (screen) + 1,
4386 gdk_screen_get_height (screen) + 1);
4387 gtk_widget_show (view->loading_window);
4390 ev_view_loading_window_move (view);
4392 gtk_widget_show (view->loading_window);
4394 view->loading_timeout = 0;
4400 show_loading_window (EvView *view)
4402 if (view->loading_window && gtk_widget_get_visible (view->loading_window)) {
4403 ev_view_loading_window_move (view);
4407 if (!view->loading_timeout) {
4408 view->loading_timeout =
4409 g_timeout_add_full (G_PRIORITY_LOW,
4410 0.5, (GSourceFunc)show_loading_window_cb,
4416 hide_loading_window (EvView *view)
4418 if (view->loading_timeout) {
4419 g_source_remove (view->loading_timeout);
4420 view->loading_timeout = 0;
4423 if (view->loading_window && gtk_widget_get_visible (view->loading_window)) {
4424 gtk_widget_hide (view->loading_window);
4429 draw_one_page (EvView *view,
4432 GdkRectangle *page_area,
4434 GdkRectangle *expose_area,
4435 gboolean *page_ready)
4437 GdkRectangle overlap;
4438 GdkRectangle real_page_area;
4440 gboolean inverted_colors;
4442 g_assert (view->document);
4444 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
4447 /* Render the document itself */
4448 real_page_area = *page_area;
4450 real_page_area.x += border->left;
4451 real_page_area.y += border->top;
4452 real_page_area.width -= (border->left + border->right);
4453 real_page_area.height -= (border->top + border->bottom);
4456 current_page = ev_document_model_get_page (view->model);
4457 inverted_colors = ev_document_model_get_inverted_colors (view->model);
4458 ev_document_misc_paint_one_page (cr,
4461 page == current_page,
4464 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
4466 gint page_width, page_height;
4467 cairo_surface_t *page_surface = NULL;
4468 gint selection_width, selection_height;
4469 cairo_surface_t *selection_surface = NULL;
4471 page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page);
4473 if (!page_surface) {
4474 if (page == current_page)
4475 show_loading_window (view);
4477 *page_ready = FALSE;
4482 if (page == current_page)
4483 hide_loading_window (view);
4485 ev_view_get_page_size (view, page, &width, &height);
4487 page_width = cairo_image_surface_get_width (page_surface);
4488 page_height = cairo_image_surface_get_height (page_surface);
4491 cairo_translate (cr, overlap.x, overlap.y);
4493 if (width != page_width || height != page_height) {
4494 cairo_pattern_set_filter (cairo_get_source (cr),
4497 (gdouble)width / page_width,
4498 (gdouble)height / page_height);
4501 cairo_surface_set_device_offset (page_surface,
4502 overlap.x - real_page_area.x,
4503 overlap.y - real_page_area.y);
4504 cairo_set_source_surface (cr, page_surface, 0, 0);
4508 /* Get the selection pixbuf iff we have something to draw */
4509 if (find_selection_for_page (view, page) &&
4510 view->selection_mode == EV_VIEW_SELECTION_TEXT) {
4512 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
4518 if (!selection_surface) {
4522 selection_width = cairo_image_surface_get_width (selection_surface);
4523 selection_height = cairo_image_surface_get_height (selection_surface);
4526 cairo_translate (cr, overlap.x, overlap.y);
4528 if (width != selection_width || height != selection_height) {
4529 cairo_pattern_set_filter (cairo_get_source (cr),
4532 (gdouble)width / selection_width,
4533 (gdouble)height / selection_height);
4536 cairo_surface_set_device_offset (selection_surface,
4537 overlap.x - real_page_area.x,
4538 overlap.y - real_page_area.y);
4540 cairo_set_source_surface (cr, selection_surface, 0, 0);
4546 /*** GObject functions ***/
4549 ev_view_finalize (GObject *object)
4551 EvView *view = EV_VIEW (object);
4553 clear_selection (view);
4554 clear_link_selected (view);
4556 if (view->synctex_result) {
4557 g_free (view->synctex_result);
4558 view->synctex_result = NULL;
4561 if (view->image_dnd_info.image)
4562 g_object_unref (view->image_dnd_info.image);
4563 view->image_dnd_info.image = NULL;
4565 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
4569 ev_view_destroy (GtkObject *object)
4571 EvView *view = EV_VIEW (object);
4574 g_object_unref (view->model);
4578 if (view->pixbuf_cache) {
4579 g_object_unref (view->pixbuf_cache);
4580 view->pixbuf_cache = NULL;
4583 if (view->document) {
4584 g_object_unref (view->document);
4585 view->document = NULL;
4588 if (view->page_cache) {
4589 g_object_unref (view->page_cache);
4590 view->page_cache = NULL;
4593 ev_view_window_children_free (view);
4595 if (view->selection_scroll_id) {
4596 g_source_remove (view->selection_scroll_id);
4597 view->selection_scroll_id = 0;
4600 if (view->selection_update_id) {
4601 g_source_remove (view->selection_update_id);
4602 view->selection_update_id = 0;
4605 if (view->scroll_info.timeout_id) {
4606 g_source_remove (view->scroll_info.timeout_id);
4607 view->scroll_info.timeout_id = 0;
4610 if (view->drag_info.drag_timeout_id) {
4611 g_source_remove (view->drag_info.drag_timeout_id);
4612 view->drag_info.drag_timeout_id = 0;
4615 if (view->drag_info.release_timeout_id) {
4616 g_source_remove (view->drag_info.release_timeout_id);
4617 view->drag_info.release_timeout_id = 0;
4620 if (view->loading_timeout) {
4621 g_source_remove (view->loading_timeout);
4622 view->loading_timeout = 0;
4625 ev_view_set_scroll_adjustments (GTK_LAYOUT (view), NULL, NULL);
4627 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
4631 ev_view_get_accessible (GtkWidget *widget)
4633 static gboolean first_time = TRUE;
4636 AtkObjectFactory *factory;
4637 AtkRegistry *registry;
4639 GType derived_atk_type;
4642 * Figure out whether accessibility is enabled by looking at the
4643 * type of the accessible object which would be created for
4644 * the parent type of EvView.
4646 derived_type = g_type_parent (EV_TYPE_VIEW);
4648 registry = atk_get_default_registry ();
4649 factory = atk_registry_get_factory (registry,
4651 derived_atk_type = atk_object_factory_get_accessible_type (factory);
4652 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE)) {
4653 atk_registry_set_factory_type (registry,
4655 ev_view_accessible_factory_get_type ());
4656 EV_VIEW (widget)->a11y_enabled = TRUE;
4660 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
4664 ev_view_class_init (EvViewClass *class)
4666 GObjectClass *object_class = G_OBJECT_CLASS (class);
4667 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
4668 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
4669 GtkLayoutClass *layout_class = GTK_LAYOUT_CLASS (class);
4670 GtkBindingSet *binding_set;
4672 object_class->finalize = ev_view_finalize;
4674 #if GTK_CHECK_VERSION (2, 90, 8)
4675 widget_class->draw = ev_view_draw;
4677 widget_class->expose_event = ev_view_expose_event;
4679 widget_class->button_press_event = ev_view_button_press_event;
4680 widget_class->motion_notify_event = ev_view_motion_notify_event;
4681 widget_class->button_release_event = ev_view_button_release_event;
4682 widget_class->key_press_event = ev_view_key_press_event;
4683 widget_class->focus_in_event = ev_view_focus_in;
4684 widget_class->focus_out_event = ev_view_focus_out;
4685 widget_class->get_accessible = ev_view_get_accessible;
4686 widget_class->size_request = ev_view_size_request;
4687 widget_class->size_allocate = ev_view_size_allocate;
4688 widget_class->realize = ev_view_realize;
4689 widget_class->scroll_event = ev_view_scroll_event;
4690 widget_class->enter_notify_event = ev_view_enter_notify_event;
4691 widget_class->leave_notify_event = ev_view_leave_notify_event;
4692 widget_class->style_set = ev_view_style_set;
4693 widget_class->drag_data_get = ev_view_drag_data_get;
4694 widget_class->drag_motion = ev_view_drag_motion;
4695 widget_class->popup_menu = ev_view_popup_menu;
4696 widget_class->query_tooltip = ev_view_query_tooltip;
4698 gtk_object_class->destroy = ev_view_destroy;
4700 layout_class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
4702 class->binding_activated = ev_view_scroll;
4704 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
4705 G_TYPE_FROM_CLASS (object_class),
4706 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4707 G_STRUCT_OFFSET (EvViewClass, binding_activated),
4709 ev_view_marshal_VOID__ENUM_BOOLEAN,
4711 GTK_TYPE_SCROLL_TYPE,
4713 signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link",
4714 G_TYPE_FROM_CLASS (object_class),
4715 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4716 G_STRUCT_OFFSET (EvViewClass, handle_link),
4718 g_cclosure_marshal_VOID__OBJECT,
4721 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
4722 G_TYPE_FROM_CLASS (object_class),
4723 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4724 G_STRUCT_OFFSET (EvViewClass, external_link),
4726 g_cclosure_marshal_VOID__OBJECT,
4729 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
4730 G_TYPE_FROM_CLASS (object_class),
4731 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4732 G_STRUCT_OFFSET (EvViewClass, popup_menu),
4734 g_cclosure_marshal_VOID__POINTER,
4737 signals[SIGNAL_SELECTION_CHANGED] = g_signal_new ("selection-changed",
4738 G_TYPE_FROM_CLASS (object_class),
4739 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4740 G_STRUCT_OFFSET (EvViewClass, selection_changed),
4742 g_cclosure_marshal_VOID__VOID,
4745 signals[SIGNAL_SYNC_SOURCE] = g_signal_new ("sync-source",
4746 G_TYPE_FROM_CLASS (object_class),
4747 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4748 G_STRUCT_OFFSET (EvViewClass, sync_source),
4750 g_cclosure_marshal_VOID__POINTER,
4753 signals[SIGNAL_ANNOT_ADDED] = g_signal_new ("annot-added",
4754 G_TYPE_FROM_CLASS (object_class),
4755 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4756 G_STRUCT_OFFSET (EvViewClass, annot_added),
4758 g_cclosure_marshal_VOID__OBJECT,
4760 EV_TYPE_ANNOTATION);
4761 signals[SIGNAL_LAYERS_CHANGED] = g_signal_new ("layers-changed",
4762 G_TYPE_FROM_CLASS (object_class),
4763 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4764 G_STRUCT_OFFSET (EvViewClass, layers_changed),
4766 g_cclosure_marshal_VOID__VOID,
4770 binding_set = gtk_binding_set_by_class (class);
4772 add_scroll_binding_keypad (binding_set, GDK_KEY_Left, 0, GTK_SCROLL_STEP_BACKWARD, TRUE);
4773 add_scroll_binding_keypad (binding_set, GDK_KEY_Right, 0, GTK_SCROLL_STEP_FORWARD, TRUE);
4774 add_scroll_binding_keypad (binding_set, GDK_KEY_Left, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, TRUE);
4775 add_scroll_binding_keypad (binding_set, GDK_KEY_Right, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, TRUE);
4776 add_scroll_binding_keypad (binding_set, GDK_KEY_Up, 0, GTK_SCROLL_STEP_BACKWARD, FALSE);
4777 add_scroll_binding_keypad (binding_set, GDK_KEY_Down, 0, GTK_SCROLL_STEP_FORWARD, FALSE);
4778 add_scroll_binding_keypad (binding_set, GDK_KEY_Up, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, FALSE);
4779 add_scroll_binding_keypad (binding_set, GDK_KEY_Down, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, FALSE);
4780 gtk_binding_entry_add_signal (binding_set, GDK_KEY_H, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4781 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE);
4782 gtk_binding_entry_add_signal (binding_set, GDK_KEY_J, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4783 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE);
4784 gtk_binding_entry_add_signal (binding_set, GDK_KEY_K, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4785 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE);
4786 gtk_binding_entry_add_signal (binding_set, GDK_KEY_L, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4787 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE);
4792 ev_view_init (EvView *view)
4794 gtk_widget_set_can_focus (GTK_WIDGET (view), TRUE);
4796 view->start_page = -1;
4797 view->end_page = -1;
4800 view->current_page = 0;
4801 view->pressed_button = -1;
4802 view->cursor = EV_VIEW_CURSOR_NORMAL;
4803 view->drag_info.in_drag = FALSE;
4804 view->scroll_info.autoscrolling = FALSE;
4805 view->selection_info.selections = NULL;
4806 view->selection_info.in_selection = FALSE;
4807 view->selection_info.in_drag = FALSE;
4808 view->selection_mode = EV_VIEW_SELECTION_TEXT;
4809 view->continuous = TRUE;
4810 view->dual_page = FALSE;
4811 view->fullscreen = FALSE;
4812 view->sizing_mode = EV_SIZING_FIT_WIDTH;
4813 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4814 view->jump_to_find_result = TRUE;
4815 view->highlight_find_results = FALSE;
4817 gtk_layout_set_hadjustment (GTK_LAYOUT (view), NULL);
4818 gtk_layout_set_vadjustment (GTK_LAYOUT (view), NULL);
4824 ev_view_change_page (EvView *view,
4829 view->current_page = new_page;
4830 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4832 hide_loading_window (view);
4834 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4835 ev_view_handle_cursor_over_xy (view, x, y);
4837 gtk_widget_queue_resize (GTK_WIDGET (view));
4841 job_finished_cb (EvPixbufCache *pixbuf_cache,
4842 cairo_region_t *region,
4846 GdkWindow *bin_window;
4848 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
4849 #if GTK_CHECK_VERSION(2, 90, 5)
4850 gdk_window_invalidate_region (bin_window, region, TRUE);
4853 GdkRegion *gdk_region = gdk_region_new ();
4854 guint n_recs = cairo_region_num_rectangles (region);
4857 for (i = 0; i < n_recs; i++) {
4858 cairo_rectangle_int_t rect;
4860 cairo_region_get_rectangle (region, i, &rect);
4861 gdk_region_union_with_rect (gdk_region, (GdkRectangle *)&rect);
4863 gdk_window_invalidate_region (bin_window, gdk_region, TRUE);
4864 gdk_region_destroy (gdk_region);
4868 gtk_widget_queue_draw (GTK_WIDGET (view));
4873 ev_view_page_changed_cb (EvDocumentModel *model,
4878 if (!view->document)
4881 if (view->current_page != new_page) {
4882 ev_view_change_page (view, new_page);
4884 gtk_widget_queue_draw (GTK_WIDGET (view));
4887 view->find_result = 0;
4891 on_adjustment_value_changed (GtkAdjustment *adjustment,
4897 GList *children, *l;
4899 if (!gtk_widget_get_realized (GTK_WIDGET (view)))
4902 if (view->hadjustment) {
4903 value = (gint) gtk_adjustment_get_value (view->hadjustment);
4904 dx = view->scroll_x - value;
4905 view->scroll_x = value;
4910 if (view->vadjustment) {
4911 value = (gint) gtk_adjustment_get_value (view->vadjustment);
4912 dy = view->scroll_y - value;
4913 view->scroll_y = value;
4918 children = gtk_container_get_children (GTK_CONTAINER (view));
4919 for (l = children; l && l->data; l = g_list_next (l)) {
4920 gint child_x, child_y;
4921 GtkWidget *child = (GtkWidget *)l->data;
4923 gtk_container_child_get (GTK_CONTAINER (view),
4928 gtk_layout_move (GTK_LAYOUT (view), child, child_x + dx, child_y + dy);
4930 g_list_free (children);
4932 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
4933 EvViewWindowChild *child;
4935 child = (EvViewWindowChild *)l->data;
4937 ev_view_window_child_move (view, child, child->x + dx, child->y + dy);
4940 if (view->pending_resize) {
4941 gtk_widget_queue_draw (GTK_WIDGET (view));
4943 GdkWindow *bin_window;
4945 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
4946 gdk_window_scroll (bin_window, dx, dy);
4949 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4950 ev_view_handle_cursor_over_xy (view, x, y);
4953 view_update_range_and_current_page (view);
4961 view = g_object_new (EV_TYPE_VIEW, NULL);
4967 setup_caches (EvView *view)
4969 gboolean inverted_colors;
4971 view->height_to_page_cache = ev_view_get_height_to_page_cache (view);
4972 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->model, view->pixbuf_cache_size);
4973 view->page_cache = ev_page_cache_new (view->document);
4974 if (view->a11y_enabled) {
4975 EvJobPageDataFlags flags = ev_page_cache_get_flags (view->page_cache);
4977 ev_page_cache_set_flags (view->page_cache,
4979 EV_PAGE_DATA_INCLUDE_TEXT_LAYOUT |
4980 EV_PAGE_DATA_INCLUDE_TEXT);
4982 inverted_colors = ev_document_model_get_inverted_colors (view->model);
4983 ev_pixbuf_cache_set_inverted_colors (view->pixbuf_cache, inverted_colors);
4984 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
4988 clear_caches (EvView *view)
4990 if (view->pixbuf_cache) {
4991 g_object_unref (view->pixbuf_cache);
4992 view->pixbuf_cache = NULL;
4995 if (view->page_cache) {
4996 g_object_unref (view->page_cache);
4997 view->page_cache = NULL;
5002 * ev_view_set_page_cache_size:
5006 * Sets the maximum size in bytes that will be used to cache
5007 * rendered pages. Use 0 to disable caching rendered pages.
5009 * Note that this limit doesn't affect the current visible page range,
5010 * which will always be rendered. In order to limit the total memory used
5011 * you have to use ev_document_model_set_max_scale() too.
5015 ev_view_set_page_cache_size (EvView *view,
5018 if (view->pixbuf_cache_size == cache_size)
5021 view->pixbuf_cache_size = cache_size;
5022 if (view->pixbuf_cache)
5023 ev_pixbuf_cache_set_max_size (view->pixbuf_cache, cache_size);
5027 ev_view_set_loading (EvView *view,
5030 if (view->loading && !loading)
5031 hide_loading_window (view);
5032 view->loading = loading;
5033 gtk_widget_queue_draw (GTK_WIDGET (view));
5037 ev_view_autoscroll_cb (EvView *view)
5039 gdouble speed, value;
5041 /* If the user stops autoscrolling, autoscrolling will be
5042 * set to false but the timeout will continue; stop the timeout: */
5043 if (!view->scroll_info.autoscrolling) {
5044 view->scroll_info.timeout_id = 0;
5048 if (view->scroll_info.last_y > view->scroll_info.start_y &&
5049 (view->scroll_info.last_y < view->scroll_info.start_y))
5052 /* Replace 100 with your speed of choice: The lower the faster.
5053 * Replace 3 with another speed of choice: The higher, the faster it accelerated
5054 * based on the distance of the starting point from the mouse
5055 * (All also effected by the timeout interval of this callback) */
5057 if (view->scroll_info.start_y > view->scroll_info.last_y)
5058 speed = -pow ((((gdouble)view->scroll_info.start_y - view->scroll_info.last_y) / 100), 3);
5060 speed = pow ((((gdouble)view->scroll_info.last_y - view->scroll_info.start_y) / 100), 3);
5062 value = gtk_adjustment_get_value (view->vadjustment);
5063 value = CLAMP (value + speed, 0,
5064 gtk_adjustment_get_upper (view->vadjustment) -
5065 gtk_adjustment_get_page_size (view->vadjustment));
5066 gtk_adjustment_set_value (view->vadjustment, value);
5073 ev_view_autoscroll_start (EvView *view)
5077 g_return_if_fail (EV_IS_VIEW (view));
5079 if (view->scroll_info.autoscrolling)
5082 view->scroll_info.autoscrolling = TRUE;
5083 view->scroll_info.timeout_id =
5084 g_timeout_add (20, (GSourceFunc)ev_view_autoscroll_cb,
5087 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
5088 ev_view_handle_cursor_over_xy (view, x, y);
5092 ev_view_autoscroll_stop (EvView *view)
5096 g_return_if_fail (EV_IS_VIEW (view));
5098 if (!view->scroll_info.autoscrolling)
5101 view->scroll_info.autoscrolling = FALSE;
5102 if (view->scroll_info.timeout_id) {
5103 g_source_remove (view->scroll_info.timeout_id);
5104 view->scroll_info.timeout_id = 0;
5107 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
5108 ev_view_handle_cursor_over_xy (view, x, y);
5112 ev_view_document_changed_cb (EvDocumentModel *model,
5116 EvDocument *document = ev_document_model_get_document (model);
5118 if (document != view->document) {
5121 clear_caches (view);
5123 if (view->document) {
5124 g_object_unref (view->document);
5127 view->document = document;
5128 view->find_result = 0;
5130 if (view->document) {
5131 view->loading = FALSE;
5132 g_object_ref (view->document);
5133 setup_caches (view);
5136 current_page = ev_document_model_get_page (model);
5137 if (view->current_page != current_page) {
5138 ev_view_change_page (view, current_page);
5140 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
5141 gtk_widget_queue_resize (GTK_WIDGET (view));
5147 ev_view_rotation_changed_cb (EvDocumentModel *model,
5151 gint rotation = ev_document_model_get_rotation (model);
5153 view->rotation = rotation;
5155 if (view->pixbuf_cache) {
5156 ev_pixbuf_cache_clear (view->pixbuf_cache);
5157 if (!ev_document_is_page_size_uniform (view->document))
5158 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5159 gtk_widget_queue_resize (GTK_WIDGET (view));
5162 ev_view_remove_all (view);
5165 clear_selection (view);
5169 ev_view_inverted_colors_changed_cb (EvDocumentModel *model,
5173 if (view->pixbuf_cache) {
5174 gboolean inverted_colors;
5176 inverted_colors = ev_document_model_get_inverted_colors (model);
5177 ev_pixbuf_cache_set_inverted_colors (view->pixbuf_cache, inverted_colors);
5178 gtk_widget_queue_draw (GTK_WIDGET (view));
5183 ev_view_sizing_mode_changed_cb (EvDocumentModel *model,
5187 EvSizingMode mode = ev_document_model_get_sizing_mode (model);
5189 view->sizing_mode = mode;
5190 if (mode != EV_SIZING_FREE)
5191 gtk_widget_queue_resize (GTK_WIDGET (view));
5194 #define EPSILON 0.0000001
5196 ev_view_scale_changed_cb (EvDocumentModel *model,
5200 gdouble scale = ev_document_model_get_scale (model);
5202 if (ABS (view->scale - scale) < EPSILON)
5205 view->scale = scale;
5207 view->pending_resize = TRUE;
5208 if (view->sizing_mode == EV_SIZING_FREE)
5209 gtk_widget_queue_resize (GTK_WIDGET (view));
5213 ev_view_continuous_changed_cb (EvDocumentModel *model,
5217 gboolean continuous = ev_document_model_get_continuous (model);
5219 view->continuous = continuous;
5220 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5221 gtk_widget_queue_resize (GTK_WIDGET (view));
5225 ev_view_dual_page_changed_cb (EvDocumentModel *model,
5229 gboolean dual_page = ev_document_model_get_dual_page (model);
5231 view->dual_page = dual_page;
5232 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5233 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
5234 * preload_cache_size to be 2 if dual_page is set.
5236 gtk_widget_queue_resize (GTK_WIDGET (view));
5240 ev_view_fullscreen_changed_cb (EvDocumentModel *model,
5244 gboolean fullscreen = ev_document_model_get_fullscreen (model);
5246 view->fullscreen = fullscreen;
5247 gtk_widget_queue_resize (GTK_WIDGET (view));
5251 ev_view_set_model (EvView *view,
5252 EvDocumentModel *model)
5254 g_return_if_fail (EV_IS_VIEW (view));
5255 g_return_if_fail (EV_IS_DOCUMENT_MODEL (model));
5257 if (model == view->model)
5261 g_signal_handlers_disconnect_by_func (view->model,
5262 ev_view_document_changed_cb,
5264 g_signal_handlers_disconnect_by_func (view->model,
5265 ev_view_page_changed_cb,
5267 g_object_unref (view->model);
5269 view->model = g_object_ref (model);
5271 /* Initialize view from model */
5272 view->rotation = ev_document_model_get_rotation (view->model);
5273 view->sizing_mode = ev_document_model_get_sizing_mode (view->model);
5274 view->scale = ev_document_model_get_scale (view->model);
5275 view->continuous = ev_document_model_get_continuous (view->model);
5276 view->dual_page = ev_document_model_get_dual_page (view->model);
5277 view->fullscreen = ev_document_model_get_fullscreen (view->model);
5278 ev_view_document_changed_cb (view->model, NULL, view);
5280 g_signal_connect (view->model, "notify::document",
5281 G_CALLBACK (ev_view_document_changed_cb),
5283 g_signal_connect (view->model, "notify::rotation",
5284 G_CALLBACK (ev_view_rotation_changed_cb),
5286 g_signal_connect (view->model, "notify::inverted-colors",
5287 G_CALLBACK (ev_view_inverted_colors_changed_cb),
5289 g_signal_connect (view->model, "notify::sizing-mode",
5290 G_CALLBACK (ev_view_sizing_mode_changed_cb),
5292 g_signal_connect (view->model, "notify::scale",
5293 G_CALLBACK (ev_view_scale_changed_cb),
5295 g_signal_connect (view->model, "notify::continuous",
5296 G_CALLBACK (ev_view_continuous_changed_cb),
5298 g_signal_connect (view->model, "notify::dual-page",
5299 G_CALLBACK (ev_view_dual_page_changed_cb),
5301 g_signal_connect (view->model, "notify::fullscreen",
5302 G_CALLBACK (ev_view_fullscreen_changed_cb),
5304 g_signal_connect (view->model, "page-changed",
5305 G_CALLBACK (ev_view_page_changed_cb),
5310 ev_view_reload_page (EvView *view,
5312 cairo_region_t *region)
5314 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
5322 ev_view_reload (EvView *view)
5324 ev_pixbuf_cache_clear (view->pixbuf_cache);
5325 view_update_range_and_current_page (view);
5328 /*** Zoom and sizing mode ***/
5331 ev_view_can_zoom_in (EvView *view)
5333 return view->scale * ZOOM_IN_FACTOR <= ev_document_model_get_max_scale (view->model);
5337 ev_view_can_zoom_out (EvView *view)
5339 return view->scale * ZOOM_OUT_FACTOR >= ev_document_model_get_min_scale (view->model);
5343 ev_view_zoom_in (EvView *view)
5347 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5349 view->pending_scroll = SCROLL_TO_CENTER;
5350 scale = ev_document_model_get_scale (view->model) * ZOOM_IN_FACTOR;
5351 ev_document_model_set_scale (view->model, scale);
5355 ev_view_zoom_out (EvView *view)
5359 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5361 view->pending_scroll = SCROLL_TO_CENTER;
5362 scale = ev_document_model_get_scale (view->model) * ZOOM_OUT_FACTOR;
5363 ev_document_model_set_scale (view->model, scale);
5367 zoom_for_size_fit_width (gdouble doc_width,
5372 return (double)target_width / doc_width;
5376 zoom_for_size_fit_height (gdouble doc_width,
5381 return (double)target_height / doc_height;
5385 zoom_for_size_best_fit (gdouble doc_width,
5393 w_scale = (double)target_width / doc_width;
5394 h_scale = (double)target_height / doc_height;
5396 return MIN (w_scale, h_scale);
5400 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
5404 gdouble doc_width, doc_height;
5409 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5410 if (view->rotation == 90 || view->rotation == 270) {
5414 doc_width = doc_height;
5418 compute_border (view, doc_width, doc_height, &border);
5421 width -= (2 * (border.left + border.right) + 3 * view->spacing);
5422 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5424 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5426 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5427 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5428 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5429 scale = zoom_for_size_best_fit (doc_width, doc_height, width - sb_size, height);
5431 g_assert_not_reached ();
5433 ev_document_model_set_scale (view->model, scale);
5437 ev_view_zoom_for_size_continuous (EvView *view,
5441 gdouble doc_width, doc_height;
5446 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5447 if (view->rotation == 90 || view->rotation == 270) {
5451 doc_width = doc_height;
5455 compute_border (view, doc_width, doc_height, &border);
5457 width -= (border.left + border.right + 2 * view->spacing);
5458 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5460 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5462 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5463 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5464 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5465 scale = zoom_for_size_best_fit (doc_width, doc_height, width - sb_size, height);
5467 g_assert_not_reached ();
5469 ev_document_model_set_scale (view->model, scale);
5473 ev_view_zoom_for_size_dual_page (EvView *view,
5478 gdouble doc_width, doc_height;
5482 other_page = view->current_page ^ 1;
5484 /* Find the largest of the two. */
5485 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5486 if (other_page < ev_document_get_n_pages (view->document)) {
5487 gdouble width_2, height_2;
5489 get_doc_page_size (view, other_page, &width_2, &height_2);
5490 if (width_2 > doc_width)
5491 doc_width = width_2;
5492 if (height_2 > doc_height)
5493 doc_height = height_2;
5495 compute_border (view, width, height, &border);
5497 doc_width = doc_width * 2;
5498 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
5499 height -= (border.top + border.bottom + 2 * view->spacing);
5501 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5504 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5505 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5506 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5507 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5509 g_assert_not_reached ();
5511 ev_document_model_set_scale (view->model, scale);
5515 ev_view_zoom_for_size_single_page (EvView *view,
5519 gdouble doc_width, doc_height;
5523 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5525 /* Get an approximate border */
5526 compute_border (view, width, height, &border);
5528 width -= (border.left + border.right + 2 * view->spacing);
5529 height -= (border.top + border.bottom + 2 * view->spacing);
5531 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5534 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5535 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5536 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5537 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5539 g_assert_not_reached ();
5541 ev_document_model_set_scale (view->model, scale);
5545 ev_view_zoom_for_size (EvView *view,
5549 g_return_if_fail (EV_IS_VIEW (view));
5550 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
5551 view->sizing_mode == EV_SIZING_BEST_FIT);
5552 g_return_if_fail (width >= 0);
5553 g_return_if_fail (height >= 0);
5555 if (view->document == NULL)
5558 if (view->continuous && view->dual_page)
5559 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height);
5560 else if (view->continuous)
5561 ev_view_zoom_for_size_continuous (view, width, height);
5562 else if (view->dual_page)
5563 ev_view_zoom_for_size_dual_page (view, width, height);
5565 ev_view_zoom_for_size_single_page (view, width, height);
5570 ev_view_find_get_n_results (EvView *view, gint page)
5572 return view->find_pages ? g_list_length (view->find_pages[page]) : 0;
5575 static EvRectangle *
5576 ev_view_find_get_result (EvView *view, gint page, gint result)
5578 return view->find_pages ? (EvRectangle *) g_list_nth_data (view->find_pages[page], result) : NULL;
5582 jump_to_find_result (EvView *view)
5585 gint page = view->current_page;
5587 n_results = ev_view_find_get_n_results (view, page);
5589 if (n_results > 0 && view->find_result < n_results) {
5591 GdkRectangle view_rect;
5593 rect = ev_view_find_get_result (view, page, view->find_result);
5594 doc_rect_to_view_rect (view, page, rect, &view_rect);
5595 ensure_rectangle_is_visible (view, &view_rect);
5596 view->jump_to_find_result = FALSE;
5602 * @view: #EvView instance
5603 * @direction: Direction to look
5604 * @shift: Shift from current page
5606 * Jumps to the first page that has occurences of searched word.
5607 * Uses a direction where to look and a shift from current page.
5611 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
5615 n_pages = ev_document_get_n_pages (view->document);
5617 for (i = 0; i < n_pages; i++) {
5620 if (direction == EV_VIEW_FIND_NEXT)
5621 page = view->current_page + i;
5623 page = view->current_page - i;
5626 if (page >= n_pages) {
5627 page = page - n_pages;
5628 } else if (page < 0)
5629 page = page + n_pages;
5631 if (ev_view_find_get_n_results (view, page) > 0) {
5632 ev_document_model_set_page (view->model, page);
5639 ev_view_find_changed (EvView *view, GList **results, gint page)
5641 view->find_pages = results;
5643 if (view->jump_to_find_result == TRUE) {
5644 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
5645 jump_to_find_result (view);
5648 if (view->current_page == page)
5649 gtk_widget_queue_draw (GTK_WIDGET (view));
5653 ev_view_find_next (EvView *view)
5657 n_results = ev_view_find_get_n_results (view, view->current_page);
5658 view->find_result++;
5660 if (view->find_result >= n_results) {
5661 view->find_result = 0;
5662 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
5663 jump_to_find_result (view);
5665 jump_to_find_result (view);
5666 gtk_widget_queue_draw (GTK_WIDGET (view));
5671 ev_view_find_previous (EvView *view)
5673 view->find_result--;
5675 if (view->find_result < 0) {
5676 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
5677 view->find_result = MAX (0, ev_view_find_get_n_results (view, view->current_page) - 1);
5678 jump_to_find_result (view);
5680 jump_to_find_result (view);
5681 gtk_widget_queue_draw (GTK_WIDGET (view));
5686 ev_view_find_search_changed (EvView *view)
5688 /* search string has changed, focus on new search result */
5689 view->jump_to_find_result = TRUE;
5690 view->find_pages = NULL;
5694 ev_view_find_set_highlight_search (EvView *view, gboolean value)
5696 view->highlight_find_results = value;
5697 gtk_widget_queue_draw (GTK_WIDGET (view));
5701 ev_view_find_cancel (EvView *view)
5703 view->find_pages = NULL;
5708 ev_view_highlight_forward_search (EvView *view,
5713 GdkRectangle view_rect;
5715 if (!ev_document_has_synctex (view->document))
5718 mapping = ev_document_synctex_forward_search (view->document, link);
5722 if (view->synctex_result)
5723 g_free (view->synctex_result);
5724 view->synctex_result = mapping;
5726 page = GPOINTER_TO_INT (mapping->data);
5727 ev_document_model_set_page (view->model, page);
5729 doc_rect_to_view_rect (view, page, &mapping->area, &view_rect);
5730 ensure_rectangle_is_visible (view, &view_rect);
5731 gtk_widget_queue_draw (GTK_WIDGET (view));
5734 /*** Selections ***/
5736 /* compute_new_selection_rect/text calculates the area currently selected by
5737 * view_rect. each handles a different mode;
5740 compute_new_selection_rect (EvView *view,
5744 GdkRectangle view_rect;
5748 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
5750 view_rect.x = MIN (start->x, stop->x);
5751 view_rect.y = MIN (start->y, stop->y);
5752 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
5753 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
5755 n_pages = ev_document_get_n_pages (view->document);
5757 for (i = 0; i < n_pages; i++) {
5758 GdkRectangle page_area;
5761 if (ev_view_get_page_extents (view, i, &page_area, &border)) {
5762 GdkRectangle overlap;
5764 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
5765 EvViewSelection *selection;
5767 selection = g_new0 (EvViewSelection, 1);
5768 selection->page = i;
5769 view_rect_to_doc_rect (view, &overlap, &page_area,
5770 &(selection->rect));
5772 list = g_list_append (list, selection);
5781 gdk_rectangle_point_in (GdkRectangle *rectangle,
5784 return rectangle->x <= point->x &&
5785 rectangle->y <= point->y &&
5786 point->x < rectangle->x + rectangle->width &&
5787 point->y < rectangle->y + rectangle->height;
5791 compute_new_selection_text (EvView *view,
5792 EvSelectionStyle style,
5796 int n_pages, i, first, last;
5798 EvViewSelection *selection;
5799 gdouble width, height;
5800 int start_page, end_page;
5802 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
5804 n_pages = ev_document_get_n_pages (view->document);
5806 /* First figure out the range of pages the selection
5810 if (view->continuous) {
5813 } else if (view->dual_page) {
5814 start_page = view->start_page;
5815 end_page = view->end_page + 1;
5817 start_page = view->current_page;
5818 end_page = view->current_page + 1;
5821 for (i = start_page; i < end_page; i++) {
5822 GdkRectangle page_area;
5825 ev_view_get_page_extents (view, i, &page_area, &border);
5826 if (gdk_rectangle_point_in (&page_area, start) ||
5827 gdk_rectangle_point_in (&page_area, stop)) {
5828 if (first == n_pages)
5835 /* Now create a list of EvViewSelection's for the affected
5836 * pages. This could be an empty list, a list of just one
5837 * page or a number of pages.*/
5838 for (i = first; i < last + 1; i++) {
5839 GdkRectangle page_area;
5843 get_doc_page_size (view, i, &width, &height);
5845 selection = g_new0 (EvViewSelection, 1);
5846 selection->page = i;
5847 selection->style = style;
5848 selection->rect.x1 = selection->rect.y1 = 0;
5849 selection->rect.x2 = width;
5850 selection->rect.y2 = height;
5852 ev_view_get_page_extents (view, i, &page_area, &border);
5854 if (gdk_rectangle_point_in (&page_area, start))
5860 view_point_to_doc_point (view, point, &page_area,
5861 &selection->rect.x1,
5862 &selection->rect.y1);
5864 /* If the selection is contained within just one page,
5865 * make sure we don't write 'start' into both points
5866 * in selection->rect. */
5871 view_point_to_doc_point (view, point, &page_area,
5872 &selection->rect.x2,
5873 &selection->rect.y2);
5875 list = g_list_append (list, selection);
5881 /* This function takes the newly calculated list, and figures out which regions
5882 * have changed. It then queues a redraw approporiately.
5885 merge_selection_region (EvView *view,
5889 GList *new_list_ptr, *old_list_ptr;
5891 /* Update the selection */
5892 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
5893 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5894 g_list_free (view->selection_info.selections);
5895 view->selection_info.selections = new_list;
5896 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
5897 g_signal_emit (view, signals[SIGNAL_SELECTION_CHANGED], 0, NULL);
5899 new_list_ptr = new_list;
5900 old_list_ptr = old_list;
5902 while (new_list_ptr || old_list_ptr) {
5903 EvViewSelection *old_sel, *new_sel;
5905 cairo_region_t *region = NULL;
5907 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
5908 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
5910 /* Assume that the lists are in order, and we run through them
5911 * comparing them, one page at a time. We come out with the
5912 * first page we see. */
5913 if (new_sel && old_sel) {
5914 if (new_sel->page < old_sel->page) {
5915 new_list_ptr = new_list_ptr->next;
5917 } else if (new_sel->page > old_sel->page) {
5918 old_list_ptr = old_list_ptr->next;
5921 new_list_ptr = new_list_ptr->next;
5922 old_list_ptr = old_list_ptr->next;
5924 } else if (new_sel) {
5925 new_list_ptr = new_list_ptr->next;
5926 } else if (old_sel) {
5927 old_list_ptr = old_list_ptr->next;
5930 g_assert (new_sel || old_sel);
5932 /* is the page we're looking at on the screen?*/
5933 cur_page = new_sel ? new_sel->page : old_sel->page;
5934 if (cur_page < view->start_page || cur_page > view->end_page)
5937 /* seed the cache with a new page. We are going to need the new
5940 cairo_region_t *tmp_region = NULL;
5942 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
5947 if (tmp_region && !cairo_region_is_empty (tmp_region)) {
5948 new_sel->covered_region = cairo_region_reference (tmp_region);
5952 /* Now we figure out what needs redrawing */
5953 if (old_sel && new_sel) {
5954 if (old_sel->covered_region && new_sel->covered_region) {
5955 /* We only want to redraw the areas that have
5956 * changed, so we xor the old and new regions
5957 * and redraw if it's different */
5958 region = cairo_region_copy (old_sel->covered_region);
5959 #if CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1, 9, 12)
5960 cairo_region_xor (region, new_sel->covered_region);
5962 cairo_region_t *tbr;
5963 tbr = cairo_region_copy (new_sel->covered_region);
5965 /* xor old_sel, new_sel*/
5966 cairo_region_subtract (tbr, region);
5967 cairo_region_subtract (region, new_sel->covered_region);
5968 cairo_region_union (region, tbr);
5969 cairo_region_destroy (tbr);
5972 if (cairo_region_is_empty (region)) {
5973 cairo_region_destroy (region);
5976 gint num_rectangles = cairo_region_num_rectangles (region);
5979 /* We need to make the damage region a little bigger
5980 * because the edges of the old selection might change
5982 cairo_region_get_rectangle (region, 0, &r);
5985 cairo_region_union_rectangle (region, &r);
5987 cairo_region_get_rectangle (region, num_rectangles - 1, &r);
5990 cairo_region_union_rectangle (region, &r);
5992 } else if (old_sel->covered_region) {
5993 region = cairo_region_copy (old_sel->covered_region);
5994 } else if (new_sel->covered_region) {
5995 region = cairo_region_copy (new_sel->covered_region);
5997 } else if (old_sel && !new_sel) {
5998 if (old_sel->covered_region && !cairo_region_is_empty (old_sel->covered_region)) {
5999 region = cairo_region_copy (old_sel->covered_region);
6001 } else if (!old_sel && new_sel) {
6002 if (new_sel->covered_region && !cairo_region_is_empty (new_sel->covered_region)) {
6003 region = cairo_region_copy (new_sel->covered_region);
6006 g_assert_not_reached ();
6009 /* Redraw the damaged region! */
6011 GdkWindow *bin_window;
6012 GdkRectangle page_area;
6015 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
6016 ev_view_get_page_extents (view, cur_page, &page_area, &border);
6017 cairo_region_translate (region,
6018 page_area.x + border.left - view->scroll_x,
6019 page_area.y + border.top - view->scroll_y);
6020 #if GTK_CHECK_VERSION(2, 90, 5)
6021 gdk_window_invalidate_region (bin_window, region, TRUE);
6024 GdkRegion *gdk_region = gdk_region_new ();
6025 guint n_recs = cairo_region_num_rectangles (region);
6028 for (i = 0; i < n_recs; i++) {
6029 cairo_rectangle_int_t rect;
6031 cairo_region_get_rectangle (region, i, &rect);
6032 gdk_region_union_with_rect (gdk_region, (GdkRectangle *)&rect);
6034 gdk_window_invalidate_region (bin_window, gdk_region, TRUE);
6035 gdk_region_destroy (gdk_region);
6038 cairo_region_destroy (region);
6042 /* Free the old list, now that we're done with it. */
6043 g_list_foreach (old_list, (GFunc) selection_free, NULL);
6044 g_list_free (old_list);
6048 compute_selections (EvView *view,
6049 EvSelectionStyle style,
6055 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
6056 list = compute_new_selection_rect (view, start, stop);
6058 list = compute_new_selection_text (view, style, start, stop);
6059 merge_selection_region (view, list);
6062 /* Free's the selection. It's up to the caller to queue redraws if needed.
6065 selection_free (EvViewSelection *selection)
6067 if (selection->covered_region)
6068 cairo_region_destroy (selection->covered_region);
6073 clear_selection (EvView *view)
6075 if (view->selection_info.selections) {
6076 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
6077 g_list_free (view->selection_info.selections);
6078 view->selection_info.selections = NULL;
6080 g_signal_emit (view, signals[SIGNAL_SELECTION_CHANGED], 0, NULL);
6082 view->selection_info.in_selection = FALSE;
6083 if (view->pixbuf_cache)
6084 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
6088 ev_view_select_all (EvView *view)
6090 GList *selections = NULL;
6093 /* Disable selection on rotated pages for the 0.4.0 series */
6094 if (view->rotation != 0)
6097 clear_selection (view);
6099 n_pages = ev_document_get_n_pages (view->document);
6100 for (i = 0; i < n_pages; i++) {
6101 gdouble width, height;
6102 EvViewSelection *selection;
6104 get_doc_page_size (view, i, &width, &height);
6106 selection = g_new0 (EvViewSelection, 1);
6107 selection->page = i;
6108 selection->style = EV_SELECTION_STYLE_GLYPH;
6109 selection->rect.x1 = selection->rect.y1 = 0;
6110 selection->rect.x2 = width;
6111 selection->rect.y2 = height;
6113 selections = g_list_append (selections, selection);
6116 merge_selection_region (view, selections);
6117 gtk_widget_queue_draw (GTK_WIDGET (view));
6121 ev_view_get_has_selection (EvView *view)
6123 return view->selection_info.selections != NULL;
6127 get_selected_text (EvView *view)
6131 gchar *normalized_text;
6133 text = g_string_new (NULL);
6135 ev_document_doc_mutex_lock ();
6137 for (l = view->selection_info.selections; l != NULL; l = l->next) {
6138 EvViewSelection *selection = (EvViewSelection *)l->data;
6142 page = ev_document_get_page (view->document, selection->page);
6143 tmp = ev_selection_get_selected_text (EV_SELECTION (view->document),
6144 page, selection->style,
6145 &(selection->rect));
6146 g_object_unref (page);
6147 g_string_append (text, tmp);
6151 ev_document_doc_mutex_unlock ();
6153 normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC);
6154 g_string_free (text, TRUE);
6155 return normalized_text;
6159 ev_view_clipboard_copy (EvView *view,
6162 GtkClipboard *clipboard;
6164 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
6165 GDK_SELECTION_CLIPBOARD);
6166 gtk_clipboard_set_text (clipboard, text, -1);
6170 ev_view_copy (EvView *ev_view)
6174 if (!EV_IS_SELECTION (ev_view->document))
6177 text = get_selected_text (ev_view);
6178 ev_view_clipboard_copy (ev_view, text);
6183 ev_view_primary_get_cb (GtkClipboard *clipboard,
6184 GtkSelectionData *selection_data,
6188 EvView *ev_view = EV_VIEW (data);
6190 if (ev_view->link_selected) {
6191 gtk_selection_data_set_text (selection_data,
6192 ev_link_action_get_uri (ev_view->link_selected),
6194 } else if (EV_IS_SELECTION (ev_view->document) &&
6195 ev_view->selection_info.selections) {
6198 text = get_selected_text (ev_view);
6200 gtk_selection_data_set_text (selection_data, text, -1);
6207 ev_view_primary_clear_cb (GtkClipboard *clipboard,
6210 EvView *view = EV_VIEW (data);
6212 clear_selection (view);
6213 clear_link_selected (view);
6217 ev_view_update_primary_selection (EvView *ev_view)
6219 GtkClipboard *clipboard;
6221 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
6222 GDK_SELECTION_PRIMARY);
6224 if (ev_view->selection_info.selections || ev_view->link_selected) {
6225 GtkTargetList *target_list;
6226 GtkTargetEntry *targets;
6229 target_list = gtk_target_list_new (NULL, 0);
6230 gtk_target_list_add_text_targets (target_list, 0);
6231 targets = gtk_target_table_new_from_list (target_list, &n_targets);
6232 gtk_target_list_unref (target_list);
6234 if (!gtk_clipboard_set_with_owner (clipboard,
6236 ev_view_primary_get_cb,
6237 ev_view_primary_clear_cb,
6238 G_OBJECT (ev_view)))
6239 ev_view_primary_clear_cb (clipboard, ev_view);
6241 gtk_target_table_free (targets, n_targets);
6243 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
6244 gtk_clipboard_clear (clipboard);
6249 clear_link_selected (EvView *view)
6251 if (view->link_selected) {
6252 g_object_unref (view->link_selected);
6253 view->link_selected = NULL;
6258 ev_view_copy_link_address (EvView *view,
6259 EvLinkAction *action)
6261 clear_link_selected (view);
6263 ev_view_clipboard_copy (view, ev_link_action_get_uri (action));
6265 view->link_selected = g_object_ref (action);
6266 ev_view_update_primary_selection (view);
6269 /*** Cursor operations ***/
6271 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
6273 GdkCursor *cursor = NULL;
6275 GdkWindow *bin_window;
6277 if (view->cursor == new_cursor) {
6281 view->cursor = new_cursor;
6283 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
6284 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
6285 cursor = ev_view_cursor_new (gtk_widget_get_display (widget), new_cursor);
6286 gdk_window_set_cursor (bin_window, cursor);
6289 gdk_cursor_unref (cursor);
6293 ev_view_hide_cursor (EvView *view)
6295 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
6299 ev_view_show_cursor (EvView *view)
6301 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
6305 ev_view_next_page (EvView *view)
6309 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
6311 if (!view->document)
6314 page = ev_document_model_get_page (view->model);
6315 n_pages = ev_document_get_n_pages (view->document);
6317 if (view->dual_page)
6322 if (page < n_pages) {
6323 ev_document_model_set_page (view->model, page);
6325 } else if (view->dual_page && page == n_pages) {
6326 ev_document_model_set_page (view->model, page - 1);
6334 ev_view_previous_page (EvView *view)
6338 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
6340 if (!view->document)
6343 page = ev_document_model_get_page (view->model);
6345 if (view->dual_page)
6351 ev_document_model_set_page (view->model, page);
6353 } else if (view->dual_page && page == -1) {
6354 ev_document_model_set_page (view->model, 0);