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 static gboolean ev_view_expose_event (GtkWidget *widget,
161 GdkEventExpose *event);
162 static gboolean ev_view_popup_menu (GtkWidget *widget);
163 static gboolean ev_view_button_press_event (GtkWidget *widget,
164 GdkEventButton *event);
165 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
166 GdkEventMotion *event);
167 static gboolean ev_view_button_release_event (GtkWidget *widget,
168 GdkEventButton *event);
169 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
170 GdkEventCrossing *event);
171 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
172 GdkEventCrossing *event);
173 static void ev_view_style_set (GtkWidget *widget,
174 GtkStyle *old_style);
175 static void ev_view_remove_all (EvView *view);
177 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
180 static void highlight_find_results (EvView *view,
182 static void highlight_forward_search_results (EvView *view,
184 static void focus_annotation (EvView *view,
187 static void draw_one_page (EvView *view,
190 GdkRectangle *page_area,
192 GdkRectangle *expose_area,
193 gboolean *page_ready);
194 static void show_loading_window (EvView *view);
195 static void hide_loading_window (EvView *view);
196 static void ev_view_reload_page (EvView *view,
198 cairo_region_t *region);
199 static void ev_view_loading_window_move (EvView *view);
202 static void ev_view_change_page (EvView *view,
204 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
205 cairo_region_t *region,
207 static void ev_view_page_changed_cb (EvDocumentModel *model,
211 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
215 static void ev_view_finalize (GObject *object);
216 static void ev_view_destroy (GtkObject *object);
217 static void ev_view_class_init (EvViewClass *class);
218 static void ev_view_init (EvView *view);
220 /*** Zoom and sizing ***/
221 static double zoom_for_size_fit_width (gdouble doc_width,
225 static double zoom_for_size_fit_height (gdouble doc_width,
229 static double zoom_for_size_best_fit (gdouble doc_width,
233 static void ev_view_zoom_for_size (EvView *view,
236 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
239 static void ev_view_zoom_for_size_continuous (EvView *view,
242 static void ev_view_zoom_for_size_dual_page (EvView *view,
245 static void ev_view_zoom_for_size_single_page (EvView *view,
249 static void ev_view_set_cursor (EvView *view,
250 EvViewCursor new_cursor);
251 static void ev_view_handle_cursor_over_xy (EvView *view,
256 static gint ev_view_find_get_n_results (EvView *view,
258 static EvRectangle *ev_view_find_get_result (EvView *view,
261 static void jump_to_find_result (EvView *view);
262 static void jump_to_find_page (EvView *view,
263 EvViewFindDirection direction,
266 static void compute_selections (EvView *view,
267 EvSelectionStyle style,
270 static void clear_selection (EvView *view);
271 static void clear_link_selected (EvView *view);
272 static void selection_free (EvViewSelection *selection);
273 static char* get_selected_text (EvView *ev_view);
274 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
275 GtkSelectionData *selection_data,
278 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
280 static void ev_view_update_primary_selection (EvView *ev_view);
282 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_LAYOUT)
284 /* HeightToPage cache */
285 #define EV_HEIGHT_TO_PAGE_CACHE_KEY "ev-height-to-page-cache"
288 build_height_to_page (EvHeightToPageCache *cache,
289 EvDocument *document,
292 gboolean swap, uniform, dual_even_left;
294 double uniform_height, page_height, next_page_height;
296 gdouble u_width, u_height;
299 swap = (rotation == 90 || rotation == 270);
301 uniform = ev_document_is_page_size_uniform (document);
302 n_pages = ev_document_get_n_pages (document);
303 dual_even_left = (n_pages > 2);
305 g_free (cache->height_to_page);
306 g_free (cache->dual_height_to_page);
308 cache->rotation = rotation;
309 cache->height_to_page = g_new0 (gdouble, n_pages + 1);
310 cache->dual_height_to_page = g_new0 (gdouble, n_pages + 2);
313 ev_document_get_page_size (document, 0, &u_width, &u_height);
316 for (i = 0; i <= n_pages; i++) {
318 uniform_height = swap ? u_width : u_height;
319 cache->height_to_page[i] = i * uniform_height;
324 ev_document_get_page_size (document, i, &w, &h);
325 page_height = swap ? w : h;
329 cache->height_to_page[i] = saved_height;
330 saved_height += page_height;
334 if (dual_even_left && !uniform) {
337 ev_document_get_page_size (document, 0, &w, &h);
338 saved_height = swap ? w : h;
343 for (i = dual_even_left; i < n_pages + 2; i += 2) {
345 uniform_height = swap ? u_width : u_height;
346 cache->dual_height_to_page[i] = ((i + dual_even_left) / 2) * uniform_height;
347 if (i + 1 < n_pages + 2)
348 cache->dual_height_to_page[i + 1] = ((i + dual_even_left) / 2) * uniform_height;
350 if (i + 1 < n_pages) {
353 ev_document_get_page_size (document, i + 1, &w, &h);
354 next_page_height = swap ? w : h;
356 next_page_height = 0;
362 ev_document_get_page_size (document, i, &w, &h);
363 page_height = swap ? w : h;
368 if (i + 1 < n_pages + 2) {
369 cache->dual_height_to_page[i] = saved_height;
370 cache->dual_height_to_page[i + 1] = saved_height;
371 saved_height += MAX(page_height, next_page_height);
373 cache->dual_height_to_page[i] = saved_height;
380 ev_height_to_page_cache_get_height (EvHeightToPageCache *cache,
381 EvDocument *document,
385 gdouble *dual_height)
387 if (cache->rotation != rotation)
388 build_height_to_page (cache, document, rotation);
390 *height = cache->height_to_page[page];
391 *dual_height = cache->dual_height_to_page[page];
395 ev_height_to_page_cache_free (EvHeightToPageCache *cache)
397 if (cache->height_to_page) {
398 g_free (cache->height_to_page);
399 cache->height_to_page = NULL;
402 if (cache->dual_height_to_page) {
403 g_free (cache->dual_height_to_page);
404 cache->dual_height_to_page = NULL;
409 static EvHeightToPageCache *
410 ev_view_get_height_to_page_cache (EvView *view)
412 EvHeightToPageCache *cache;
417 cache = g_object_get_data (G_OBJECT (view->document), EV_HEIGHT_TO_PAGE_CACHE_KEY);
419 cache = g_new0 (EvHeightToPageCache, 1);
420 build_height_to_page (cache, view->document, view->rotation);
421 g_object_set_data_full (G_OBJECT (view->document),
422 EV_HEIGHT_TO_PAGE_CACHE_KEY,
424 (GDestroyNotify)ev_height_to_page_cache_free);
431 ev_view_get_height_to_page (EvView *view,
438 if (!view->height_to_page_cache)
441 ev_height_to_page_cache_get_height (view->height_to_page_cache,
447 *height = (gint)(h * view->scale + 0.5);
450 *dual_height = (gint)(dh * view->scale + 0.5);
454 ev_view_get_scrollbar_size (EvView *view,
455 GtkOrientation orientation)
457 GtkWidget *widget = GTK_WIDGET (view);
459 GtkWidget *swindow = gtk_widget_get_parent (GTK_WIDGET (view));
460 GtkAllocation allocation;
464 if (!GTK_IS_SCROLLED_WINDOW (swindow))
467 gtk_widget_get_allocation (widget, &allocation);
469 if (orientation == GTK_ORIENTATION_VERTICAL) {
470 if (allocation.height >= view->requisition.height)
471 sb = gtk_scrolled_window_get_vscrollbar (GTK_SCROLLED_WINDOW (swindow));
475 if (allocation.width >= view->requisition.width)
476 sb = gtk_scrolled_window_get_hscrollbar (GTK_SCROLLED_WINDOW (swindow));
481 gtk_widget_style_get (swindow, "scrollbar_spacing", &spacing, NULL);
482 gtk_widget_size_request (sb, &req);
484 return (orientation == GTK_ORIENTATION_VERTICAL ? req.width : req.height) + spacing;
488 scroll_to_point (EvView *view,
491 GtkOrientation orientation)
494 gdouble upper, lower;
496 if (orientation == GTK_ORIENTATION_VERTICAL) {
497 page_size = gtk_adjustment_get_page_size (view->vadjustment);
498 upper = gtk_adjustment_get_upper (view->vadjustment);
499 lower = gtk_adjustment_get_lower (view->vadjustment);
501 if (view->continuous) {
502 gtk_adjustment_clamp_page (view->vadjustment,
503 y - view->spacing / 2,
506 gtk_adjustment_set_value (view->vadjustment,
507 CLAMP (y, lower, upper - page_size));
510 page_size = gtk_adjustment_get_page_size (view->hadjustment);
511 upper = gtk_adjustment_get_upper (view->hadjustment);
512 lower = gtk_adjustment_get_lower (view->hadjustment);
514 if (view->dual_page) {
515 gtk_adjustment_clamp_page (view->hadjustment, x,
518 gtk_adjustment_set_value (view->hadjustment,
519 CLAMP (x, lower, upper - page_size));
525 ev_view_scroll_to_page_position (EvView *view, GtkOrientation orientation)
532 if ((orientation == GTK_ORIENTATION_VERTICAL && view->pending_point.y == 0) ||
533 (orientation == GTK_ORIENTATION_HORIZONTAL && view->pending_point.x == 0)) {
534 GdkRectangle page_area;
537 ev_view_get_page_extents (view, view->current_page, &page_area, &border);
543 doc_point_to_view_point (view, view->current_page,
544 &view->pending_point, &view_point);
549 scroll_to_point (view, x, y, orientation);
553 view_set_adjustment_values (EvView *view,
554 GtkOrientation orientation)
556 GtkWidget *widget = GTK_WIDGET (view);
557 GtkAdjustment *adjustment;
558 GtkAllocation allocation;
567 gtk_widget_get_allocation (widget, &allocation);
569 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
570 req_size = view->requisition.width;
571 alloc_size = allocation.width;
572 adjustment = view->hadjustment;
574 req_size = view->requisition.height;
575 alloc_size = allocation.height;
576 adjustment = view->vadjustment;
583 value = gtk_adjustment_get_value (adjustment);
584 upper = gtk_adjustment_get_upper (adjustment);
585 page_size = gtk_adjustment_get_page_size (adjustment);
587 switch (view->pending_scroll) {
588 case SCROLL_TO_KEEP_POSITION:
589 case SCROLL_TO_FIND_LOCATION:
590 factor = value / upper;
592 case SCROLL_TO_PAGE_POSITION:
594 case SCROLL_TO_CENTER:
595 factor = (value + page_size * 0.5) / upper;
599 upper = MAX (alloc_size, req_size);
600 page_size = alloc_size;
602 gtk_adjustment_set_page_size (adjustment, page_size);
603 gtk_adjustment_set_step_increment (adjustment, alloc_size * 0.1);
604 gtk_adjustment_set_page_increment (adjustment, alloc_size * 0.9);
605 gtk_adjustment_set_lower (adjustment, 0);
606 gtk_adjustment_set_upper (adjustment, upper);
609 * We add 0.5 to the values before to average out our rounding errors.
611 switch (view->pending_scroll) {
612 case SCROLL_TO_KEEP_POSITION:
613 case SCROLL_TO_FIND_LOCATION:
614 new_value = CLAMP (upper * factor + 0.5, 0, upper - page_size);
615 gtk_adjustment_set_value (adjustment, (int)new_value);
617 case SCROLL_TO_PAGE_POSITION:
618 ev_view_scroll_to_page_position (view, orientation);
620 case SCROLL_TO_CENTER:
621 new_value = CLAMP (upper * factor - page_size * 0.5 + 0.5,
622 0, upper - page_size);
623 gtk_adjustment_set_value (adjustment, (int)new_value);
627 gtk_adjustment_changed (adjustment);
631 view_update_range_and_current_page (EvView *view)
633 gint start = view->start_page;
634 gint end = view->end_page;
636 if (ev_document_get_n_pages (view->document) <= 0 ||
637 !ev_document_check_dimensions (view->document))
640 if (view->continuous) {
641 GdkRectangle current_area, unused, page_area;
643 gboolean found = FALSE;
644 gint area_max = -1, area;
645 gint best_current_page = -1;
648 if (!(view->vadjustment && view->hadjustment))
651 current_area.x = gtk_adjustment_get_value (view->hadjustment);
652 current_area.width = gtk_adjustment_get_page_size (view->hadjustment);
653 current_area.y = gtk_adjustment_get_value (view->vadjustment);
654 current_area.height = gtk_adjustment_get_page_size (view->vadjustment);
656 for (i = 0; i < ev_document_get_n_pages (view->document); i++) {
658 ev_view_get_page_extents (view, i, &page_area, &border);
660 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
661 area = unused.width * unused.height;
665 view->start_page = i;
667 best_current_page = i;
669 if (area > area_max) {
670 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
676 } else if (found && view->current_page <= view->end_page) {
677 if (view->dual_page && j < 1) {
678 /* In dual mode we stop searching
679 * after two consecutive non-visible pages.
688 if (view->pending_scroll == SCROLL_TO_KEEP_POSITION) {
689 best_current_page = MAX (best_current_page, view->start_page);
691 if (view->current_page != best_current_page) {
692 view->current_page = best_current_page;
693 hide_loading_window (view);
694 ev_document_model_set_page (view->model, best_current_page);
697 } else if (view->dual_page) {
698 if (view->current_page % 2 == get_dual_even_left (view)) {
699 view->start_page = view->current_page;
700 if (view->current_page + 1 < ev_document_get_n_pages (view->document))
701 view->end_page = view->start_page + 1;
703 view->end_page = view->start_page;
705 if (view->current_page < 1)
706 view->start_page = view->current_page;
708 view->start_page = view->current_page - 1;
709 view->end_page = view->current_page;
712 view->start_page = view->current_page;
713 view->end_page = view->current_page;
716 if (view->start_page == -1 || view->end_page == -1)
719 if (start != view->start_page || end != view->end_page) {
722 for (i = start; i < view->start_page && start != -1; i++) {
723 hide_annotation_windows (view, i);
726 for (i = end; i > view->end_page && end != -1; i--) {
727 hide_annotation_windows (view, i);
731 ev_page_cache_set_page_range (view->page_cache,
734 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
737 view->selection_info.selections);
739 if (ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page))
740 gtk_widget_queue_draw (GTK_WIDGET (view));
744 set_scroll_adjustment (EvView *view,
745 GtkOrientation orientation,
746 GtkAdjustment *adjustment)
748 GtkAdjustment **to_set;
750 if (orientation == GTK_ORIENTATION_HORIZONTAL)
751 to_set = &view->hadjustment;
753 to_set = &view->vadjustment;
755 if (*to_set != adjustment) {
757 g_signal_handlers_disconnect_by_func (*to_set,
758 (gpointer) on_adjustment_value_changed,
760 g_object_unref (*to_set);
763 *to_set = adjustment;
764 view_set_adjustment_values (view, orientation);
767 g_object_ref (*to_set);
768 g_signal_connect (*to_set, "value_changed",
769 G_CALLBACK (on_adjustment_value_changed), view);
775 ev_view_set_scroll_adjustments (GtkLayout *layout,
776 GtkAdjustment *hadjustment,
777 GtkAdjustment *vadjustment)
779 EvView *view = EV_VIEW (layout);
781 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
782 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
784 on_adjustment_value_changed (NULL, view);
788 add_scroll_binding_keypad (GtkBindingSet *binding_set,
790 GdkModifierType modifiers,
791 GtkScrollType scroll,
794 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
796 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
797 "binding_activated", 2,
798 GTK_TYPE_SCROLL_TYPE, scroll,
799 G_TYPE_BOOLEAN, horizontal);
800 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
801 "binding_activated", 2,
802 GTK_TYPE_SCROLL_TYPE, scroll,
803 G_TYPE_BOOLEAN, horizontal);
807 compute_scroll_increment (EvView *view,
808 GtkScrollType scroll)
810 GtkWidget *widget = GTK_WIDGET (view);
811 GtkAdjustment *adjustment = view->vadjustment;
812 cairo_region_t *text_region, *region;
813 GtkAllocation allocation;
816 EvRectangle doc_rect;
817 GdkRectangle page_area;
819 gdouble fraction = 1.0;
821 if (scroll != GTK_SCROLL_PAGE_BACKWARD && scroll != GTK_SCROLL_PAGE_FORWARD)
822 return gtk_adjustment_get_page_size (adjustment);
824 page = scroll == GTK_SCROLL_PAGE_BACKWARD ? view->start_page : view->end_page;
826 text_region = ev_page_cache_get_text_mapping (view->page_cache, page);
827 if (!text_region || cairo_region_is_empty (text_region))
828 return gtk_adjustment_get_page_size (adjustment);
830 gtk_widget_get_allocation (widget, &allocation);
831 ev_view_get_page_extents (view, page, &page_area, &border);
832 rect.x = page_area.x + view->scroll_x;
833 rect.y = view->scroll_y + (scroll == GTK_SCROLL_PAGE_BACKWARD ? 5 : allocation.height - 5);
834 rect.width = page_area.width;
836 view_rect_to_doc_rect (view, &rect, &page_area, &doc_rect);
838 /* Convert the doc rectangle into a GdkRectangle */
839 rect.x = doc_rect.x1;
840 rect.y = doc_rect.y1;
841 rect.width = doc_rect.x2 - doc_rect.x1;
842 rect.height = MAX (1, doc_rect.y2 - doc_rect.y1);
843 region = cairo_region_create_rectangle (&rect);
845 cairo_region_intersect (region, text_region);
846 if (cairo_region_num_rectangles (region)) {
849 cairo_region_t *sel_region;
851 cairo_region_get_rectangle (region, 0, &rect);
852 ev_page = ev_document_get_page (view->document, page);
853 rc = ev_render_context_new (ev_page, view->rotation, view->scale);
854 g_object_unref (ev_page);
855 /* Get the selection region to know the height of the line */
856 doc_rect.x1 = doc_rect.x2 = rect.x + 0.5;
857 doc_rect.y1 = doc_rect.y2 = rect.y + 0.5;
859 ev_document_doc_mutex_lock ();
860 sel_region = ev_selection_get_selection_region (EV_SELECTION (view->document),
861 rc, EV_SELECTION_STYLE_LINE,
863 ev_document_doc_mutex_unlock ();
867 if (cairo_region_num_rectangles (sel_region) > 0) {
868 cairo_region_get_rectangle (sel_region, 0, &rect);
869 fraction = 1 - (rect.height / gtk_adjustment_get_page_size (adjustment));
871 cairo_region_destroy (sel_region);
873 cairo_region_destroy (region);
875 return gtk_adjustment_get_page_size (adjustment) * fraction;
880 ev_view_scroll (EvView *view,
881 GtkScrollType scroll,
884 GtkAdjustment *adjustment;
885 double value, increment;
886 gdouble upper, lower;
888 gdouble step_increment;
889 gboolean first_page = FALSE;
890 gboolean last_page = FALSE;
892 view->jump_to_find_result = FALSE;
894 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
896 case GTK_SCROLL_PAGE_BACKWARD:
897 case GTK_SCROLL_STEP_BACKWARD:
898 ev_view_previous_page (view);
900 case GTK_SCROLL_PAGE_FORWARD:
901 case GTK_SCROLL_STEP_FORWARD:
902 ev_view_next_page (view);
910 /* Assign values for increment and vertical adjustment */
911 adjustment = horizontal ? view->hadjustment : view->vadjustment;
912 value = gtk_adjustment_get_value (adjustment);
913 upper = gtk_adjustment_get_upper (adjustment);
914 lower = gtk_adjustment_get_lower (adjustment);
915 page_size = gtk_adjustment_get_page_size (adjustment);
916 step_increment = gtk_adjustment_get_step_increment (adjustment);
918 /* Assign boolean for first and last page */
919 if (view->current_page == 0)
921 if (view->current_page == ev_document_get_n_pages (view->document) - 1)
925 case GTK_SCROLL_PAGE_BACKWARD:
926 /* Do not jump backwards if at the first page */
927 if (value == lower && first_page) {
929 /* At the top of a page, assign the upper bound limit of previous page */
930 } else if (value == lower) {
931 value = upper - page_size;
932 ev_view_previous_page (view);
933 /* Jump to the top */
935 increment = compute_scroll_increment (view, GTK_SCROLL_PAGE_BACKWARD);
936 value = MAX (value - increment, lower);
939 case GTK_SCROLL_PAGE_FORWARD:
940 /* Do not jump forward if at the last page */
941 if (value == (upper - page_size) && last_page) {
943 /* At the bottom of a page, assign the lower bound limit of next page */
944 } else if (value == (upper - page_size)) {
946 ev_view_next_page (view);
947 /* Jump to the bottom */
949 increment = compute_scroll_increment (view, GTK_SCROLL_PAGE_FORWARD);
950 value = MIN (value + increment, upper - page_size);
953 case GTK_SCROLL_STEP_BACKWARD:
954 value -= step_increment;
956 case GTK_SCROLL_STEP_FORWARD:
957 value += step_increment;
959 case GTK_SCROLL_STEP_DOWN:
960 value -= step_increment / 10;
962 case GTK_SCROLL_STEP_UP:
963 value += step_increment / 10;
969 value = CLAMP (value, lower, upper - page_size);
971 gtk_adjustment_set_value (adjustment, value);
977 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
979 GtkWidget *widget = GTK_WIDGET (view);
980 GtkAdjustment *adjustment;
981 GtkAllocation allocation;
985 view->pending_scroll = SCROLL_TO_FIND_LOCATION;
987 gtk_widget_get_allocation (widget, &allocation);
989 adjustment = view->vadjustment;
990 adj_value = gtk_adjustment_get_value (adjustment);
992 if (rect->y < adj_value) {
993 value = MAX (gtk_adjustment_get_lower (adjustment), rect->y - MARGIN);
994 gtk_adjustment_set_value (view->vadjustment, value);
995 } else if (rect->y + rect->height > adj_value + allocation.height) {
996 value = MIN (gtk_adjustment_get_upper (adjustment), rect->y + rect->height -
997 allocation.height + MARGIN);
998 gtk_adjustment_set_value (view->vadjustment, value);
1001 adjustment = view->hadjustment;
1002 adj_value = gtk_adjustment_get_value (adjustment);
1004 if (rect->x < adj_value) {
1005 value = MAX (gtk_adjustment_get_lower (adjustment), rect->x - MARGIN);
1006 gtk_adjustment_set_value (view->hadjustment, value);
1007 } else if (rect->x + rect->height > adj_value + allocation.width) {
1008 value = MIN (gtk_adjustment_get_upper (adjustment), rect->x + rect->width -
1009 allocation.width + MARGIN);
1010 gtk_adjustment_set_value (view->hadjustment, value);
1013 gtk_widget_queue_resize (GTK_WIDGET (view));
1016 /*** Geometry computations ***/
1019 compute_border (EvView *view, int width, int height, GtkBorder *border)
1021 ev_document_misc_get_page_border_size (width, height, border);
1025 _get_page_size_for_scale_and_rotation (EvDocument *document,
1035 ev_document_get_page_size (document, page, &w, &h);
1037 width = (gint)(w * scale + 0.5);
1038 height = (gint)(h * scale + 0.5);
1041 *page_width = (rotation == 0 || rotation == 180) ? width : height;
1043 *page_height = (rotation == 0 || rotation == 180) ? height : width;
1047 ev_view_get_page_size (EvView *view,
1052 _get_page_size_for_scale_and_rotation (view->document,
1061 ev_view_get_max_page_size (EvView *view,
1068 ev_document_get_max_page_size (view->document, &w, &h);
1070 width = (gint)(w * view->scale + 0.5);
1071 height = (gint)(h * view->scale + 0.5);
1074 *max_width = (view->rotation == 0 || view->rotation == 180) ? width : height;
1076 *max_height = (view->rotation == 0 || view->rotation == 180) ? height : width;
1080 get_page_y_offset (EvView *view, int page, int *y_offset)
1082 int max_width, offset;
1085 g_return_if_fail (y_offset != NULL);
1087 ev_view_get_max_page_size (view, &max_width, NULL);
1088 compute_border (view, max_width, max_width, &border);
1090 if (view->dual_page) {
1091 ev_view_get_height_to_page (view, page, NULL, &offset);
1092 offset += ((page + get_dual_even_left (view)) / 2 + 1) * view->spacing +
1093 ((page + get_dual_even_left (view)) / 2 ) * (border.top + border.bottom);
1095 ev_view_get_height_to_page (view, page, &offset, NULL);
1096 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
1104 ev_view_get_page_extents (EvView *view,
1106 GdkRectangle *page_area,
1111 GtkAllocation allocation;
1113 widget = GTK_WIDGET (view);
1114 gtk_widget_get_allocation (widget, &allocation);
1116 /* Get the size of the page */
1117 ev_view_get_page_size (view, page, &width, &height);
1118 compute_border (view, width, height, border);
1119 page_area->width = width + border->left + border->right;
1120 page_area->height = height + border->top + border->bottom;
1122 if (view->continuous) {
1126 ev_view_get_max_page_size (view, &max_width, NULL);
1127 max_width = max_width + border->left + border->right;
1128 /* Get the location of the bounding box */
1129 if (view->dual_page) {
1130 x = view->spacing + ((page % 2 == get_dual_even_left (view)) ? 0 : 1) * (max_width + view->spacing);
1131 x = x + MAX (0, allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
1132 if (page % 2 == get_dual_even_left (view))
1133 x = x + (max_width - width - border->left - border->right);
1136 x = x + MAX (0, allocation.width - (width + view->spacing * 2)) / 2;
1139 get_page_y_offset (view, page, &y);
1145 if (view->dual_page) {
1146 gint width_2, height_2;
1147 gint max_width = width;
1148 gint max_height = height;
1149 GtkBorder overall_border;
1152 other_page = (page % 2 == get_dual_even_left (view)) ? page + 1: page - 1;
1154 /* First, we get the bounding box of the two pages */
1155 if (other_page < ev_document_get_n_pages (view->document)
1156 && (0 <= other_page)) {
1157 ev_view_get_page_size (view, other_page,
1158 &width_2, &height_2);
1159 if (width_2 > width)
1160 max_width = width_2;
1161 if (height_2 > height)
1162 max_height = height_2;
1164 compute_border (view, max_width, max_height, &overall_border);
1166 /* Find the offsets */
1170 /* Adjust for being the left or right page */
1171 if (page % 2 == get_dual_even_left (view))
1172 x = x + max_width - width;
1174 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
1176 y = y + (max_height - height)/2;
1178 /* Adjust for extra allocation */
1179 x = x + MAX (0, allocation.width -
1180 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
1181 y = y + MAX (0, allocation.height - (height + view->spacing * 2))/2;
1186 /* Adjust for extra allocation */
1187 x = x + MAX (0, allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
1188 y = y + MAX (0, allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
1199 get_doc_page_size (EvView *view,
1206 ev_document_get_page_size (view->document, page, &w, &h);
1207 if (view->rotation == 0 || view->rotation == 180) {
1208 if (width) *width = w;
1209 if (height) *height = h;
1211 if (width) *width = h;
1212 if (height) *height = w;
1217 view_point_to_doc_point (EvView *view,
1218 GdkPoint *view_point,
1219 GdkRectangle *page_area,
1220 double *doc_point_x,
1221 double *doc_point_y)
1223 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
1224 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
1228 view_rect_to_doc_rect (EvView *view,
1229 GdkRectangle *view_rect,
1230 GdkRectangle *page_area,
1231 EvRectangle *doc_rect)
1233 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
1234 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
1235 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
1236 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
1240 doc_point_to_view_point (EvView *view,
1243 GdkPoint *view_point)
1245 GdkRectangle page_area;
1247 double x, y, view_x, view_y;
1248 gdouble width, height;
1250 get_doc_page_size (view, page, &width, &height);
1252 if (view->rotation == 0) {
1255 } else if (view->rotation == 90) {
1256 x = width - doc_point->y;
1258 } else if (view->rotation == 180) {
1259 x = width - doc_point->x;
1260 y = height - doc_point->y;
1261 } else if (view->rotation == 270) {
1263 y = height - doc_point->x;
1265 g_assert_not_reached ();
1268 ev_view_get_page_extents (view, page, &page_area, &border);
1270 view_x = CLAMP (x * view->scale, 0, page_area.width);
1271 view_y = CLAMP (y * view->scale, 0, page_area.height);
1272 view_point->x = view_x + page_area.x;
1273 view_point->y = view_y + page_area.y;
1277 doc_rect_to_view_rect (EvView *view,
1279 EvRectangle *doc_rect,
1280 GdkRectangle *view_rect)
1282 GdkRectangle page_area;
1285 gdouble width, height;
1287 get_doc_page_size (view, page, &width, &height);
1289 if (view->rotation == 0) {
1292 w = doc_rect->x2 - doc_rect->x1;
1293 h = doc_rect->y2 - doc_rect->y1;
1294 } else if (view->rotation == 90) {
1295 x = width - doc_rect->y2;
1297 w = doc_rect->y2 - doc_rect->y1;
1298 h = doc_rect->x2 - doc_rect->x1;
1299 } else if (view->rotation == 180) {
1300 x = width - doc_rect->x2;
1301 y = height - doc_rect->y2;
1302 w = doc_rect->x2 - doc_rect->x1;
1303 h = doc_rect->y2 - doc_rect->y1;
1304 } else if (view->rotation == 270) {
1306 y = height - doc_rect->x2;
1307 w = doc_rect->y2 - doc_rect->y1;
1308 h = doc_rect->x2 - doc_rect->x1;
1310 g_assert_not_reached ();
1313 ev_view_get_page_extents (view, page, &page_area, &border);
1315 view_rect->x = x * view->scale + page_area.x;
1316 view_rect->y = y * view->scale + page_area.y;
1317 view_rect->width = w * view->scale;
1318 view_rect->height = h * view->scale;
1322 get_dual_even_left (EvView *view)
1324 return (ev_document_get_n_pages (view->document) > 2);
1328 find_page_at_location (EvView *view,
1337 if (view->document == NULL)
1341 g_assert (x_offset);
1342 g_assert (y_offset);
1344 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
1345 GdkRectangle page_area;
1348 if (! ev_view_get_page_extents (view, i, &page_area, &border))
1351 if ((x >= page_area.x + border.left) &&
1352 (x < page_area.x + page_area.width - border.right) &&
1353 (y >= page_area.y + border.top) &&
1354 (y < page_area.y + page_area.height - border.bottom)) {
1356 *x_offset = x - (page_area.x + border.left);
1357 *y_offset = y - (page_area.y + border.top);
1366 location_in_text (EvView *view,
1370 cairo_region_t *region;
1372 gint x_offset = 0, y_offset = 0;
1374 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1379 region = ev_page_cache_get_text_mapping (view->page_cache, page);
1382 return cairo_region_contains_point (region, x_offset / view->scale, y_offset / view->scale);
1388 location_in_selected_text (EvView *view,
1393 gint x_offset = 0, y_offset = 0;
1394 EvViewSelection *selection;
1397 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1398 selection = (EvViewSelection *)l->data;
1400 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1402 if (page != selection->page)
1405 if (selection->covered_region &&
1406 cairo_region_contains_point (selection->covered_region, x_offset, y_offset))
1414 get_doc_point_from_offset (EvView *view,
1421 gdouble width, height;
1424 get_doc_page_size (view, page, &width, &height);
1426 x_offset = x_offset / view->scale;
1427 y_offset = y_offset / view->scale;
1429 if (view->rotation == 0) {
1432 } else if (view->rotation == 90) {
1434 y = width - x_offset;
1435 } else if (view->rotation == 180) {
1436 x = width - x_offset;
1437 y = height - y_offset;
1438 } else if (view->rotation == 270) {
1439 x = height - y_offset;
1442 g_assert_not_reached ();
1452 get_doc_point_from_location (EvView *view,
1459 gint x_offset = 0, y_offset = 0;
1461 x += view->scroll_x;
1462 y += view->scroll_y;
1463 find_page_at_location (view, x, y, page, &x_offset, &y_offset);
1467 return get_doc_point_from_offset (view, *page, x_offset, y_offset, x_new, y_new);
1471 ev_view_get_area_from_mapping (EvView *view,
1473 EvMappingList *mapping_list,
1479 mapping = ev_mapping_list_find (mapping_list, data);
1480 doc_rect_to_view_rect (view, page, &mapping->area, area);
1481 area->x -= view->scroll_x;
1482 area->y -= view->scroll_y;
1488 ev_view_get_link_at_location (EvView *view,
1493 gint x_new = 0, y_new = 0;
1494 EvMappingList *link_mapping;
1496 if (!EV_IS_DOCUMENT_LINKS (view->document))
1499 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1502 link_mapping = ev_page_cache_get_link_mapping (view->page_cache, page);
1505 return ev_mapping_list_get_data (link_mapping, x_new, y_new);
1511 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1514 gdouble zoom, left, top;
1515 gboolean change_left, change_top;
1516 GtkAllocation allocation;
1518 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1520 left = ev_link_dest_get_left (dest, &change_left);
1521 top = ev_link_dest_get_top (dest, &change_top);
1523 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - left,
1524 ev_link_dest_get_bottom (dest) - top,
1528 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1529 ev_document_model_set_scale (view->model, zoom);
1531 doc_point.x = change_left ? left : 0;
1532 doc_point.y = change_top ? top : 0;
1533 view->pending_point = doc_point;
1535 ev_view_change_page (view, ev_link_dest_get_page (dest));
1539 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1542 gdouble doc_width, doc_height;
1545 gboolean change_left;
1546 GtkAllocation allocation;
1548 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1550 page = ev_link_dest_get_page (dest);
1551 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1553 left = ev_link_dest_get_left (dest, &change_left);
1554 doc_point.x = change_left ? left : 0;
1557 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1561 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1562 ev_document_model_set_scale (view->model, zoom);
1564 view->pending_point = doc_point;
1566 ev_view_change_page (view, page);
1570 goto_fith_dest (EvView *view, EvLinkDest *dest)
1573 gdouble doc_width, doc_height;
1576 gboolean change_top;
1577 GtkAllocation allocation;
1579 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1581 page = ev_link_dest_get_page (dest);
1582 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1584 top = ev_link_dest_get_top (dest, &change_top);
1587 doc_point.y = change_top ? top : 0;
1589 zoom = zoom_for_size_fit_width (doc_width, top,
1593 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FIT_WIDTH);
1594 ev_document_model_set_scale (view->model, zoom);
1596 view->pending_point = doc_point;
1598 ev_view_change_page (view, page);
1602 goto_fit_dest (EvView *view, EvLinkDest *dest)
1605 gdouble doc_width, doc_height;
1607 GtkAllocation allocation;
1609 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1611 page = ev_link_dest_get_page (dest);
1612 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1614 zoom = zoom_for_size_best_fit (doc_width, doc_height,
1618 ev_document_model_set_sizing_mode (view->model, EV_SIZING_BEST_FIT);
1619 ev_document_model_set_scale (view->model, zoom);
1621 ev_view_change_page (view, page);
1625 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1629 gdouble zoom, left, top;
1630 gboolean change_zoom, change_left, change_top;
1632 zoom = ev_link_dest_get_zoom (dest, &change_zoom);
1633 page = ev_link_dest_get_page (dest);
1635 if (change_zoom && zoom > 1) {
1636 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1637 ev_document_model_set_scale (view->model, zoom);
1640 left = ev_link_dest_get_left (dest, &change_left);
1641 top = ev_link_dest_get_top (dest, &change_top);
1643 doc_point.x = change_left ? left : 0;
1644 doc_point.y = change_top ? top : 0;
1645 view->pending_point = doc_point;
1647 ev_view_change_page (view, page);
1651 goto_dest (EvView *view, EvLinkDest *dest)
1653 EvLinkDestType type;
1654 int page, n_pages, current_page;
1656 page = ev_link_dest_get_page (dest);
1657 n_pages = ev_document_get_n_pages (view->document);
1659 if (page < 0 || page >= n_pages)
1662 current_page = view->current_page;
1664 type = ev_link_dest_get_dest_type (dest);
1667 case EV_LINK_DEST_TYPE_PAGE:
1668 ev_document_model_set_page (view->model, page);
1670 case EV_LINK_DEST_TYPE_FIT:
1671 goto_fit_dest (view, dest);
1673 case EV_LINK_DEST_TYPE_FITH:
1674 goto_fith_dest (view, dest);
1676 case EV_LINK_DEST_TYPE_FITV:
1677 goto_fitv_dest (view, dest);
1679 case EV_LINK_DEST_TYPE_FITR:
1680 goto_fitr_dest (view, dest);
1682 case EV_LINK_DEST_TYPE_XYZ:
1683 goto_xyz_dest (view, dest);
1685 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1686 ev_document_model_set_page_by_label (view->model, ev_link_dest_get_page_label (dest));
1689 g_assert_not_reached ();
1692 if (current_page != view->current_page)
1693 ev_document_model_set_page (view->model, view->current_page);
1697 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1699 EvLinkDestType type;
1701 type = ev_link_dest_get_dest_type (dest);
1703 if (type == EV_LINK_DEST_TYPE_NAMED) {
1705 const gchar *named_dest;
1707 named_dest = ev_link_dest_get_named_dest (dest);
1708 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1711 goto_dest (view, dest2);
1712 g_object_unref (dest2);
1718 goto_dest (view, dest);
1722 ev_view_handle_link (EvView *view, EvLink *link)
1724 EvLinkAction *action = NULL;
1725 EvLinkActionType type;
1727 action = ev_link_get_action (link);
1731 type = ev_link_action_get_action_type (action);
1734 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1737 g_signal_emit (view, signals[SIGNAL_HANDLE_LINK], 0, link);
1739 dest = ev_link_action_get_dest (action);
1740 ev_view_goto_dest (view, dest);
1743 case EV_LINK_ACTION_TYPE_LAYERS_STATE: {
1744 GList *show, *hide, *toggle;
1746 EvDocumentLayers *document_layers;
1748 document_layers = EV_DOCUMENT_LAYERS (view->document);
1750 show = ev_link_action_get_show_list (action);
1751 for (l = show; l; l = g_list_next (l)) {
1752 ev_document_layers_show_layer (document_layers, EV_LAYER (l->data));
1755 hide = ev_link_action_get_hide_list (action);
1756 for (l = hide; l; l = g_list_next (l)) {
1757 ev_document_layers_hide_layer (document_layers, EV_LAYER (l->data));
1760 toggle = ev_link_action_get_toggle_list (action);
1761 for (l = toggle; l; l = g_list_next (l)) {
1762 EvLayer *layer = EV_LAYER (l->data);
1764 if (ev_document_layers_layer_is_visible (document_layers, layer)) {
1765 ev_document_layers_hide_layer (document_layers, layer);
1767 ev_document_layers_show_layer (document_layers, layer);
1771 g_signal_emit (view, signals[SIGNAL_LAYERS_CHANGED], 0);
1772 ev_view_reload_page (view, view->current_page, NULL);
1775 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1776 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1777 case EV_LINK_ACTION_TYPE_LAUNCH:
1778 case EV_LINK_ACTION_TYPE_NAMED:
1779 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1785 tip_from_action_named (EvLinkAction *action)
1787 const gchar *name = ev_link_action_get_name (action);
1789 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1790 return g_strdup (_("Go to first page"));
1791 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1792 return g_strdup (_("Go to previous page"));
1793 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1794 return g_strdup (_("Go to next page"));
1795 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1796 return g_strdup (_("Go to last page"));
1797 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1798 return g_strdup (_("Go to page"));
1799 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1800 return g_strdup (_("Find"));
1807 tip_from_link (EvView *view, EvLink *link)
1809 EvLinkAction *action;
1810 EvLinkActionType type;
1815 action = ev_link_get_action (link);
1816 title = ev_link_get_title (link);
1819 return title ? g_strdup (title) : NULL;
1821 type = ev_link_action_get_action_type (action);
1824 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1825 page_label = ev_document_links_get_dest_page_label (EV_DOCUMENT_LINKS (view->document),
1826 ev_link_action_get_dest (action));
1828 msg = g_strdup_printf (_("Go to page %s"), page_label);
1829 g_free (page_label);
1832 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1834 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1835 ev_link_action_get_filename (action));
1837 msg = g_strdup_printf (_("Go to file “%s”"),
1838 ev_link_action_get_filename (action));
1841 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1842 msg = g_strdup (ev_link_action_get_uri (action));
1844 case EV_LINK_ACTION_TYPE_LAUNCH:
1845 msg = g_strdup_printf (_("Launch %s"),
1846 ev_link_action_get_filename (action));
1848 case EV_LINK_ACTION_TYPE_NAMED:
1849 msg = tip_from_action_named (action);
1853 msg = g_strdup (title);
1861 ev_view_handle_cursor_over_xy (EvView *view, gint x, gint y)
1865 EvAnnotation *annot = NULL;
1867 if (view->cursor == EV_VIEW_CURSOR_HIDDEN)
1870 if (view->adding_annot) {
1871 if (view->cursor != EV_VIEW_CURSOR_ADD)
1872 ev_view_set_cursor (view, EV_VIEW_CURSOR_ADD);
1876 if (view->drag_info.in_drag) {
1877 if (view->cursor != EV_VIEW_CURSOR_DRAG)
1878 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1882 if (view->scroll_info.autoscrolling) {
1883 if (view->cursor != EV_VIEW_CURSOR_AUTOSCROLL)
1884 ev_view_set_cursor (view, EV_VIEW_CURSOR_AUTOSCROLL);
1888 link = ev_view_get_link_at_location (view, x, y);
1890 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1891 } else if ((field = ev_view_get_form_field_at_location (view, x, y))) {
1892 if (field->is_read_only) {
1893 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1894 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1895 view->cursor == EV_VIEW_CURSOR_DRAG)
1896 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1897 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
1898 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1900 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1902 } else if ((annot = ev_view_get_annotation_at_location (view, x, y))) {
1903 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1904 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1905 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1907 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1908 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1909 view->cursor == EV_VIEW_CURSOR_DRAG ||
1910 view->cursor == EV_VIEW_CURSOR_AUTOSCROLL ||
1911 view->cursor == EV_VIEW_CURSOR_ADD)
1912 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1916 g_object_set (view, "has-tooltip", TRUE, NULL);
1921 ev_view_get_image_at_location (EvView *view,
1926 gint x_new = 0, y_new = 0;
1927 EvMappingList *image_mapping;
1929 if (!EV_IS_DOCUMENT_IMAGES (view->document))
1932 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1935 image_mapping = ev_page_cache_get_image_mapping (view->page_cache, page);
1938 return ev_mapping_list_get_data (image_mapping, x_new, y_new);
1944 static EvFormField *
1945 ev_view_get_form_field_at_location (EvView *view,
1950 gint x_new = 0, y_new = 0;
1951 EvMappingList *forms_mapping;
1953 if (!EV_IS_DOCUMENT_FORMS (view->document))
1956 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1959 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache, page);
1962 return ev_mapping_list_get_data (forms_mapping, x_new, y_new);
1967 static cairo_region_t *
1968 ev_view_form_field_get_region (EvView *view,
1971 GdkRectangle view_area;
1972 EvMappingList *forms_mapping;
1974 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
1975 field->page->index);
1976 ev_view_get_area_from_mapping (view, field->page->index,
1980 return cairo_region_create_rectangle (&view_area);
1984 ev_view_forms_remove_widgets (EvView *view)
1986 ev_view_remove_all (view);
1992 ev_view_form_field_destroy (GtkWidget *widget,
1995 g_idle_add ((GSourceFunc)ev_view_forms_remove_widgets, view);
1999 ev_view_form_field_button_create_widget (EvView *view,
2002 EvFormFieldButton *field_button = EV_FORM_FIELD_BUTTON (field);
2003 cairo_region_t *field_region = NULL;
2005 switch (field_button->type) {
2006 case EV_FORM_FIELD_BUTTON_PUSH:
2008 case EV_FORM_FIELD_BUTTON_CHECK:
2009 case EV_FORM_FIELD_BUTTON_RADIO: {
2011 EvMappingList *forms_mapping;
2014 state = ev_document_forms_form_field_button_get_state (EV_DOCUMENT_FORMS (view->document),
2017 /* FIXME: it actually depends on NoToggleToOff flags */
2018 if (field_button->type == EV_FORM_FIELD_BUTTON_RADIO &&
2019 state && field_button->state)
2022 field_region = ev_view_form_field_get_region (view, field);
2024 /* For radio buttons and checkbox buttons that are in a set
2025 * we need to update also the region for the current selected item
2027 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
2028 field->page->index);
2029 for (l = ev_mapping_list_get_list (forms_mapping); l; l = g_list_next (l)) {
2030 EvFormField *button = ((EvMapping *)(l->data))->data;
2031 cairo_region_t *button_region;
2033 if (button->id == field->id)
2036 /* FIXME: only buttons in the same group should be updated */
2037 if (!EV_IS_FORM_FIELD_BUTTON (button) ||
2038 EV_FORM_FIELD_BUTTON (button)->type != field_button->type ||
2039 EV_FORM_FIELD_BUTTON (button)->state != TRUE)
2042 button_region = ev_view_form_field_get_region (view, button);
2043 cairo_region_union (field_region, button_region);
2044 cairo_region_destroy (button_region);
2047 ev_document_forms_form_field_button_set_state (EV_DOCUMENT_FORMS (view->document),
2049 field_button->state = !state;
2054 ev_view_reload_page (view, field->page->index, field_region);
2055 cairo_region_destroy (field_region);
2061 ev_view_form_field_text_save (EvView *view,
2066 if (!view->document)
2069 field = g_object_get_data (G_OBJECT (widget), "form-field");
2071 if (field->changed) {
2072 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2073 cairo_region_t *field_region;
2075 field_region = ev_view_form_field_get_region (view, field);
2077 ev_document_forms_form_field_text_set_text (EV_DOCUMENT_FORMS (view->document),
2078 field, field_text->text);
2079 field->changed = FALSE;
2080 ev_view_reload_page (view, field->page->index, field_region);
2081 cairo_region_destroy (field_region);
2086 ev_view_form_field_text_changed (GtkWidget *widget,
2089 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2092 if (GTK_IS_ENTRY (widget)) {
2093 text = g_strdup (gtk_entry_get_text (GTK_ENTRY (widget)));
2094 } else if (GTK_IS_TEXT_BUFFER (widget)) {
2095 GtkTextIter start, end;
2097 gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (widget), &start, &end);
2098 text = gtk_text_buffer_get_text (GTK_TEXT_BUFFER (widget),
2099 &start, &end, FALSE);
2102 if (!field_text->text ||
2103 (field_text->text && g_ascii_strcasecmp (field_text->text, text) != 0)) {
2104 g_free (field_text->text);
2105 field_text->text = text;
2106 field->changed = TRUE;
2111 ev_view_form_field_text_create_widget (EvView *view,
2114 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2115 GtkWidget *text = NULL;
2118 txt = ev_document_forms_form_field_text_get_text (EV_DOCUMENT_FORMS (view->document),
2121 switch (field_text->type) {
2122 case EV_FORM_FIELD_TEXT_FILE_SELECT:
2124 case EV_FORM_FIELD_TEXT_NORMAL:
2125 text = gtk_entry_new ();
2126 gtk_entry_set_has_frame (GTK_ENTRY (text), FALSE);
2127 gtk_entry_set_max_length (GTK_ENTRY (text), field_text->max_len);
2128 gtk_entry_set_visibility (GTK_ENTRY (text), !field_text->is_password);
2131 gtk_entry_set_text (GTK_ENTRY (text), txt);
2135 g_signal_connect (text, "changed",
2136 G_CALLBACK (ev_view_form_field_text_changed),
2138 g_signal_connect_after (text, "activate",
2139 G_CALLBACK (ev_view_form_field_destroy),
2142 case EV_FORM_FIELD_TEXT_MULTILINE: {
2143 GtkTextBuffer *buffer;
2145 text = gtk_text_view_new ();
2146 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text));
2149 gtk_text_buffer_set_text (buffer, txt, -1);
2153 g_signal_connect (buffer, "changed",
2154 G_CALLBACK (ev_view_form_field_text_changed),
2160 g_object_weak_ref (G_OBJECT (text),
2161 (GWeakNotify)ev_view_form_field_text_save,
2168 ev_view_form_field_choice_save (EvView *view,
2173 if (!view->document)
2176 field = g_object_get_data (G_OBJECT (widget), "form-field");
2178 if (field->changed) {
2180 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2181 cairo_region_t *field_region;
2183 field_region = ev_view_form_field_get_region (view, field);
2185 if (field_choice->is_editable) {
2186 ev_document_forms_form_field_choice_set_text (EV_DOCUMENT_FORMS (view->document),
2187 field, field_choice->text);
2189 ev_document_forms_form_field_choice_unselect_all (EV_DOCUMENT_FORMS (view->document), field);
2190 for (l = field_choice->selected_items; l; l = g_list_next (l)) {
2191 ev_document_forms_form_field_choice_select_item (EV_DOCUMENT_FORMS (view->document),
2193 GPOINTER_TO_INT (l->data));
2196 field->changed = FALSE;
2197 ev_view_reload_page (view, field->page->index, field_region);
2198 cairo_region_destroy (field_region);
2203 ev_view_form_field_choice_changed (GtkWidget *widget,
2206 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2208 if (GTK_IS_COMBO_BOX (widget)) {
2211 item = gtk_combo_box_get_active (GTK_COMBO_BOX (widget));
2212 if (!field_choice->selected_items ||
2213 GPOINTER_TO_INT (field_choice->selected_items->data) != item) {
2214 g_list_free (field_choice->selected_items);
2215 field_choice->selected_items = NULL;
2216 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2217 GINT_TO_POINTER (item));
2218 field->changed = TRUE;
2221 if (GTK_IS_COMBO_BOX_ENTRY (widget)) {
2224 text = gtk_combo_box_get_active_text (GTK_COMBO_BOX (widget));
2225 if (!field_choice->text ||
2226 (field_choice->text && g_ascii_strcasecmp (field_choice->text, text) != 0)) {
2227 g_free (field_choice->text);
2228 field_choice->text = text;
2229 field->changed = TRUE;
2232 } else if (GTK_IS_TREE_SELECTION (widget)) {
2233 GtkTreeSelection *selection = GTK_TREE_SELECTION (widget);
2234 GtkTreeModel *model;
2237 items = gtk_tree_selection_get_selected_rows (selection, &model);
2238 g_list_free (field_choice->selected_items);
2239 field_choice->selected_items = NULL;
2241 for (l = items; l && l->data; l = g_list_next (l)) {
2243 GtkTreePath *path = (GtkTreePath *)l->data;
2246 gtk_tree_model_get_iter (model, &iter, path);
2247 gtk_tree_model_get (model, &iter, 1, &item, -1);
2249 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2250 GINT_TO_POINTER (item));
2252 gtk_tree_path_free (path);
2255 g_list_free (items);
2257 field->changed = TRUE;
2262 ev_view_form_field_choice_create_widget (EvView *view,
2265 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2267 GtkTreeModel *model;
2269 gint selected_item = 0;
2271 n_items = ev_document_forms_form_field_choice_get_n_items (EV_DOCUMENT_FORMS (view->document),
2273 model = GTK_TREE_MODEL (gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT));
2274 for (i = 0; i < n_items; i++) {
2278 item = ev_document_forms_form_field_choice_get_item (EV_DOCUMENT_FORMS (view->document),
2280 if (ev_document_forms_form_field_choice_is_item_selected (
2281 EV_DOCUMENT_FORMS (view->document), field, i)) {
2283 /* FIXME: we need a get_selected_items function in poppler */
2284 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2285 GINT_TO_POINTER (i));
2289 gtk_list_store_append (GTK_LIST_STORE (model), &iter);
2290 gtk_list_store_set (GTK_LIST_STORE (model), &iter,
2298 if (field_choice->type == EV_FORM_FIELD_CHOICE_LIST) {
2299 GtkCellRenderer *renderer;
2300 GtkWidget *tree_view;
2301 GtkTreeSelection *selection;
2303 tree_view = gtk_tree_view_new_with_model (model);
2304 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);
2306 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
2307 if (field_choice->multi_select) {
2308 gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
2311 /* TODO: set selected items */
2313 renderer = gtk_cell_renderer_text_new ();
2314 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
2320 choice = gtk_scrolled_window_new (NULL, NULL);
2321 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (choice),
2322 GTK_POLICY_AUTOMATIC,
2323 GTK_POLICY_AUTOMATIC);
2324 gtk_container_add (GTK_CONTAINER (choice), tree_view);
2325 gtk_widget_show (tree_view);
2327 g_signal_connect (selection, "changed",
2328 G_CALLBACK (ev_view_form_field_choice_changed),
2330 g_signal_connect_after (selection, "changed",
2331 G_CALLBACK (ev_view_form_field_destroy),
2333 } else if (field_choice->is_editable) { /* ComboBoxEntry */
2336 choice = gtk_combo_box_entry_new_with_model (model, 0);
2337 text = ev_document_forms_form_field_choice_get_text (EV_DOCUMENT_FORMS (view->document), field);
2339 gtk_entry_set_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (choice))), text);
2343 g_signal_connect (choice, "changed",
2344 G_CALLBACK (ev_view_form_field_choice_changed),
2346 g_signal_connect_after (gtk_bin_get_child (GTK_BIN (choice)),
2348 G_CALLBACK (ev_view_form_field_destroy),
2350 } else { /* ComboBoxText */
2351 GtkCellRenderer *renderer;
2353 choice = gtk_combo_box_new_with_model (model);
2354 renderer = gtk_cell_renderer_text_new ();
2355 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (choice),
2357 gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (choice),
2361 gtk_combo_box_set_active (GTK_COMBO_BOX (choice), selected_item);
2362 gtk_combo_box_popup (GTK_COMBO_BOX (choice));
2364 g_signal_connect (choice, "changed",
2365 G_CALLBACK (ev_view_form_field_choice_changed),
2367 g_signal_connect_after (choice, "changed",
2368 G_CALLBACK (ev_view_form_field_destroy),
2372 g_object_unref (model);
2374 g_object_weak_ref (G_OBJECT (choice),
2375 (GWeakNotify)ev_view_form_field_choice_save,
2382 ev_view_handle_form_field (EvView *view,
2387 GtkWidget *field_widget = NULL;
2388 EvMappingList *form_field_mapping;
2389 GdkRectangle view_area;
2391 if (field->is_read_only)
2394 if (EV_IS_FORM_FIELD_BUTTON (field)) {
2395 field_widget = ev_view_form_field_button_create_widget (view, field);
2396 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
2397 field_widget = ev_view_form_field_text_create_widget (view, field);
2398 } else if (EV_IS_FORM_FIELD_CHOICE (field)) {
2399 field_widget = ev_view_form_field_choice_create_widget (view, field);
2400 } else if (EV_IS_FORM_FIELD_SIGNATURE (field)) {
2404 /* Form field doesn't require a widget */
2408 g_object_set_data_full (G_OBJECT (field_widget), "form-field",
2409 g_object_ref (field),
2410 (GDestroyNotify)g_object_unref);
2412 form_field_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
2413 field->page->index);
2414 ev_view_get_area_from_mapping (view, field->page->index,
2418 gtk_layout_put (GTK_LAYOUT (view), field_widget, view_area.x, view_area.y);
2419 gtk_widget_show (field_widget);
2420 gtk_widget_grab_focus (field_widget);
2424 static EvViewWindowChild *
2425 ev_view_get_window_child (EvView *view,
2428 GList *children = view->window_children;
2431 EvViewWindowChild *child;
2433 child = (EvViewWindowChild *)children->data;
2434 children = children->next;
2436 if (child->window == window)
2444 ev_view_window_child_move (EvView *view,
2445 EvViewWindowChild *child,
2449 GtkAllocation allocation;
2452 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
2453 gtk_window_get_size (GTK_WINDOW (child->window), &width, &height);
2457 gtk_window_move (GTK_WINDOW (child->window),
2458 CLAMP (x, child->parent_x,
2459 child->parent_x + allocation.width - width),
2460 CLAMP (y, child->parent_y,
2461 child->parent_y + allocation.height - height));
2465 ev_view_window_child_move_with_parent (EvView *view,
2468 EvViewWindowChild *child;
2469 gint root_x, root_y;
2471 child = ev_view_get_window_child (view, window);
2472 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2474 if (root_x != child->parent_x || root_y != child->parent_y) {
2475 gint dest_x, dest_y;
2477 dest_x = child->x + (root_x - child->parent_x);
2478 dest_y = child->y + (root_y - child->parent_y);
2479 child->parent_x = root_x;
2480 child->parent_y = root_y;
2481 ev_view_window_child_move (view, child, dest_x, dest_y);
2484 if (child->visible && !gtk_widget_get_visible (window))
2485 gtk_widget_show (window);
2489 ev_view_window_child_put (EvView *view,
2497 EvViewWindowChild *child;
2498 gint root_x, root_y;
2500 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2503 child = g_new0 (EvViewWindowChild, 1);
2504 child->window = window;
2506 child->orig_x = orig_x;
2507 child->orig_y = orig_y;
2508 child->parent_x = root_x;
2509 child->parent_y = root_y;
2510 child->visible = ev_annotation_window_is_open (EV_ANNOTATION_WINDOW (window));
2511 ev_view_window_child_move (view, child, x + root_x, y + root_y);
2514 gtk_widget_show (window);
2516 gtk_widget_hide (window);
2518 view->window_children = g_list_append (view->window_children, child);
2521 static EvViewWindowChild *
2522 ev_view_find_window_child_for_annot (EvView *view,
2524 EvAnnotation *annot)
2526 GList *children = view->window_children;
2529 EvViewWindowChild *child;
2530 EvAnnotation *wannot;
2532 child = (EvViewWindowChild *)children->data;
2533 children = children->next;
2535 if (child->page != page)
2538 wannot = ev_annotation_window_get_annotation (EV_ANNOTATION_WINDOW (child->window));
2539 if (ev_annotation_equal (wannot, annot))
2547 ev_view_window_children_free (EvView *view)
2551 if (!view->window_children)
2554 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
2555 EvViewWindowChild *child;
2557 child = (EvViewWindowChild *)l->data;
2558 gtk_widget_destroy (GTK_WIDGET (child->window));
2561 g_list_free (view->window_children);
2562 view->window_children = NULL;
2563 view->window_child_focus = NULL;
2567 annotation_window_grab_focus (GtkWidget *widget,
2570 if (view->window_child_focus)
2571 ev_annotation_window_ungrab_focus (EV_ANNOTATION_WINDOW (view->window_child_focus->window));
2572 view->window_child_focus = ev_view_get_window_child (view, widget);
2576 annotation_window_closed (EvAnnotationWindow *window,
2579 EvViewWindowChild *child;
2581 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2582 child->visible = FALSE;
2586 annotation_window_moved (EvAnnotationWindow *window,
2591 EvViewWindowChild *child;
2592 GdkRectangle page_area;
2594 GdkRectangle view_rect;
2595 EvRectangle doc_rect;
2598 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2599 if (child->x == x && child->y == y)
2602 child->moved = TRUE;
2606 /* Window has been moved by the user,
2607 * we have to set a new origin in doc coords
2609 gtk_window_get_size (GTK_WINDOW (window), &width, &height);
2610 view_rect.x = (x - child->parent_x) + view->scroll_x;
2611 view_rect.y = (y - child->parent_y) + view->scroll_y;
2612 view_rect.width = width;
2613 view_rect.height = height;
2615 ev_view_get_page_extents (view, child->page, &page_area, &border);
2616 view_rect_to_doc_rect (view, &view_rect, &page_area, &doc_rect);
2617 child->orig_x = doc_rect.x1;
2618 child->orig_y = doc_rect.y1;
2622 ev_view_annotation_save_contents (EvView *view,
2624 EvAnnotation *annot)
2626 if (!view->document)
2629 ev_document_doc_mutex_lock ();
2630 ev_document_annotations_save_annotation (EV_DOCUMENT_ANNOTATIONS (view->document),
2631 annot, EV_ANNOTATIONS_SAVE_CONTENTS);
2632 ev_document_doc_mutex_unlock ();
2636 ev_view_create_annotation_window (EvView *view,
2637 EvAnnotation *annot,
2641 EvRectangle doc_rect;
2642 GdkRectangle view_rect;
2645 window = ev_annotation_window_new (annot, parent);
2646 g_signal_connect (window, "grab_focus",
2647 G_CALLBACK (annotation_window_grab_focus),
2649 g_signal_connect (window, "closed",
2650 G_CALLBACK (annotation_window_closed),
2652 g_signal_connect (window, "moved",
2653 G_CALLBACK (annotation_window_moved),
2655 g_signal_connect_swapped (annot, "notify::contents",
2656 G_CALLBACK (ev_view_annotation_save_contents),
2658 g_object_set_data (G_OBJECT (annot), "popup", window);
2660 page = ev_annotation_get_page_index (annot);
2661 ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (window), &doc_rect);
2662 doc_rect_to_view_rect (view, page, &doc_rect, &view_rect);
2663 view_rect.x -= view->scroll_x;
2664 view_rect.y -= view->scroll_y;
2666 ev_view_window_child_put (view, window, page,
2667 view_rect.x, view_rect.y,
2668 doc_rect.x1, doc_rect.y1);
2674 show_annotation_windows (EvView *view,
2677 EvMappingList *annots;
2681 parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
2683 annots = ev_page_cache_get_annot_mapping (view->page_cache, page);
2685 for (l = ev_mapping_list_get_list (annots); l && l->data; l = g_list_next (l)) {
2686 EvAnnotation *annot;
2687 EvViewWindowChild *child;
2690 annot = ((EvMapping *)(l->data))->data;
2692 if (!EV_IS_ANNOTATION_MARKUP (annot))
2695 if (!ev_annotation_markup_has_popup (EV_ANNOTATION_MARKUP (annot)))
2698 window = g_object_get_data (G_OBJECT (annot), "popup");
2700 ev_view_window_child_move_with_parent (view, window);
2704 /* Look if we already have a popup for this annot */
2705 child = ev_view_find_window_child_for_annot (view, page, annot);
2706 window = child ? child->window : NULL;
2708 ev_annotation_window_set_annotation (EV_ANNOTATION_WINDOW (window), annot);
2709 g_object_set_data (G_OBJECT (annot), "popup", window);
2710 ev_view_window_child_move_with_parent (view, window);
2712 ev_view_create_annotation_window (view, annot, parent);
2718 hide_annotation_windows (EvView *view,
2721 EvMappingList *annots;
2724 annots = ev_page_cache_get_annot_mapping (view->page_cache, page);
2726 for (l = ev_mapping_list_get_list (annots); l && l->data; l = g_list_next (l)) {
2727 EvAnnotation *annot;
2730 annot = ((EvMapping *)(l->data))->data;
2732 if (!EV_IS_ANNOTATION_MARKUP (annot))
2735 window = g_object_get_data (G_OBJECT (annot), "popup");
2737 gtk_widget_hide (window);
2741 static EvAnnotation *
2742 ev_view_get_annotation_at_location (EvView *view,
2747 gint x_new = 0, y_new = 0;
2748 EvMappingList *annotations_mapping;
2750 if (!EV_IS_DOCUMENT_ANNOTATIONS (view->document))
2753 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
2756 annotations_mapping = ev_page_cache_get_annot_mapping (view->page_cache, page);
2758 if (annotations_mapping)
2759 return ev_mapping_list_get_data (annotations_mapping, x_new, y_new);
2765 ev_view_annotation_show_popup_window (EvView *view,
2768 EvViewWindowChild *child;
2773 child = ev_view_get_window_child (view, window);
2774 if (!child->visible) {
2775 child->visible = TRUE;
2776 ev_view_window_child_move (view, child, child->x, child->y);
2777 gtk_widget_show (window);
2782 ev_view_handle_annotation (EvView *view,
2783 EvAnnotation *annot,
2788 if (EV_IS_ANNOTATION_MARKUP (annot)) {
2791 window = g_object_get_data (G_OBJECT (annot), "popup");
2792 ev_view_annotation_show_popup_window (view, window);
2795 if (EV_IS_ANNOTATION_ATTACHMENT (annot)) {
2796 EvAttachment *attachment;
2798 attachment = ev_annotation_attachment_get_attachment (EV_ANNOTATION_ATTACHMENT (annot));
2800 GError *error = NULL;
2802 ev_attachment_open (attachment,
2803 gtk_widget_get_screen (GTK_WIDGET (view)),
2808 g_warning ("%s", error->message);
2809 g_error_free (error);
2816 ev_view_create_annotation (EvView *view,
2817 EvAnnotationType annot_type,
2821 EvAnnotation *annot;
2823 GdkRectangle page_area;
2825 EvRectangle doc_rect, popup_rect;
2827 GdkColor color = { 0, 65535, 65535, 0 };
2828 GdkRectangle view_rect;
2829 cairo_region_t *region;
2833 ev_view_get_page_extents (view, view->current_page, &page_area, &border);
2834 view_point_to_doc_point (view, &point, &page_area,
2835 &doc_rect.x1, &doc_rect.y1);
2836 doc_rect.x2 = doc_rect.x1 + 24;
2837 doc_rect.y2 = doc_rect.y1 + 24;
2839 ev_document_doc_mutex_lock ();
2840 page = ev_document_get_page (view->document, view->current_page);
2841 switch (annot_type) {
2842 case EV_ANNOTATION_TYPE_TEXT:
2843 annot = ev_annotation_text_new (page);
2845 case EV_ANNOTATION_TYPE_ATTACHMENT:
2847 g_object_unref (page);
2848 ev_document_doc_mutex_unlock ();
2851 g_assert_not_reached ();
2853 g_object_unref (page);
2855 ev_annotation_set_color (annot, &color);
2857 if (EV_IS_ANNOTATION_MARKUP (annot)) {
2858 popup_rect.x1 = doc_rect.x2;
2859 popup_rect.x2 = popup_rect.x1 + 200;
2860 popup_rect.y1 = doc_rect.y2;
2861 popup_rect.y2 = popup_rect.y1 + 150;
2862 g_object_set (annot,
2863 "rectangle", &popup_rect,
2865 "popup_is_open", FALSE,
2866 "label", g_get_real_name (),
2870 ev_document_annotations_add_annotation (EV_DOCUMENT_ANNOTATIONS (view->document),
2872 ev_document_doc_mutex_unlock ();
2874 /* If the page didn't have annots, mark the cache as dirty */
2875 if (!ev_page_cache_get_annot_mapping (view->page_cache, view->current_page))
2876 ev_page_cache_mark_dirty (view->page_cache, view->current_page);
2878 if (EV_IS_ANNOTATION_MARKUP (annot)) {
2882 parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
2883 window = ev_view_create_annotation_window (view, annot, parent);
2885 /* Show the annot window the first time */
2886 ev_view_annotation_show_popup_window (view, window);
2889 doc_rect_to_view_rect (view, view->current_page, &doc_rect, &view_rect);
2890 view_rect.x -= view->scroll_x;
2891 view_rect.y -= view->scroll_y;
2892 region = cairo_region_create_rectangle (&view_rect);
2893 ev_view_reload_page (view, view->current_page, region);
2894 cairo_region_destroy (region);
2896 g_signal_emit (view, signals[SIGNAL_ANNOT_ADDED], 0, annot);
2900 ev_view_focus_annotation (EvView *view,
2901 EvMapping *annot_mapping)
2903 GdkRectangle view_rect;
2904 EvAnnotation *annot;
2907 if (!EV_IS_DOCUMENT_ANNOTATIONS (view->document))
2910 if (view->focus_annotation == annot_mapping)
2913 view->focus_annotation = annot_mapping;
2914 annot = (EvAnnotation *)annot_mapping->data;
2916 page = ev_annotation_get_page_index (annot);
2917 ev_document_model_set_page (view->model, page);
2919 doc_rect_to_view_rect (view, page,
2920 &annot_mapping->area, &view_rect);
2921 ensure_rectangle_is_visible (view, &view_rect);
2922 gtk_widget_queue_draw (GTK_WIDGET (view));
2926 ev_view_begin_add_annotation (EvView *view,
2927 EvAnnotationType annot_type)
2929 if (annot_type == EV_ANNOTATION_TYPE_UNKNOWN)
2932 if (view->adding_annot)
2935 view->adding_annot = TRUE;
2936 view->adding_annot_type = annot_type;
2937 ev_view_set_cursor (view, EV_VIEW_CURSOR_ADD);
2941 ev_view_cancel_add_annotation (EvView *view)
2945 if (!view->adding_annot)
2948 view->adding_annot = FALSE;
2949 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
2950 ev_view_handle_cursor_over_xy (view, x, y);
2954 ev_view_synctex_backward_search (EvView *view,
2959 gint x_new = 0, y_new = 0;
2962 if (!ev_document_has_synctex (view->document))
2965 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
2968 link = ev_document_synctex_backward_search (view->document, page, x_new, y_new);
2970 g_signal_emit (view, signals[SIGNAL_SYNC_SOURCE], 0, link);
2979 /*** GtkWidget implementation ***/
2982 ev_view_size_request_continuous_dual_page (EvView *view,
2983 GtkRequisition *requisition)
2987 n_pages = ev_document_get_n_pages (view->document) + 1;
2988 get_page_y_offset (view, n_pages, &requisition->height);
2990 switch (view->sizing_mode) {
2991 case EV_SIZING_FIT_WIDTH:
2992 case EV_SIZING_BEST_FIT:
2993 requisition->width = 1;
2996 case EV_SIZING_FREE: {
3000 ev_view_get_max_page_size (view, &max_width, NULL);
3001 compute_border (view, max_width, max_width, &border);
3002 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
3006 g_assert_not_reached ();
3011 ev_view_size_request_continuous (EvView *view,
3012 GtkRequisition *requisition)
3016 n_pages = ev_document_get_n_pages (view->document);
3017 get_page_y_offset (view, n_pages, &requisition->height);
3019 switch (view->sizing_mode) {
3020 case EV_SIZING_FIT_WIDTH:
3021 case EV_SIZING_BEST_FIT:
3022 requisition->width = 1;
3025 case EV_SIZING_FREE: {
3029 ev_view_get_max_page_size (view, &max_width, NULL);
3030 compute_border (view, max_width, max_width, &border);
3031 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
3035 g_assert_not_reached ();
3040 ev_view_size_request_dual_page (EvView *view,
3041 GtkRequisition *requisition)
3046 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
3047 requisition->width = 1;
3048 requisition->height = 1;
3053 /* Find the largest of the two. */
3054 ev_view_get_page_size (view,
3057 if (view->current_page + 1 < ev_document_get_n_pages (view->document)) {
3058 gint width_2, height_2;
3059 ev_view_get_page_size (view,
3060 view->current_page + 1,
3061 &width_2, &height_2);
3062 if (width_2 > width) {
3067 compute_border (view, width, height, &border);
3069 requisition->width = view->sizing_mode == EV_SIZING_FIT_WIDTH ? 1 :
3070 ((width + border.left + border.right) * 2) + (view->spacing * 3);
3071 requisition->height = (height + border.top + border.bottom) + (view->spacing * 2);
3075 ev_view_size_request_single_page (EvView *view,
3076 GtkRequisition *requisition)
3081 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
3082 requisition->width = 1;
3083 requisition->height = 1;
3088 ev_view_get_page_size (view, view->current_page, &width, &height);
3089 compute_border (view, width, height, &border);
3091 requisition->width = view->sizing_mode == EV_SIZING_FIT_WIDTH ? 1 :
3092 width + border.left + border.right + (2 * view->spacing);
3093 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
3097 ev_view_size_request (GtkWidget *widget,
3098 GtkRequisition *requisition)
3100 EvView *view = EV_VIEW (widget);
3102 if (view->document == NULL) {
3103 view->requisition.width = 1;
3104 view->requisition.height = 1;
3106 *requisition = view->requisition;
3111 /* Get zoom for size here when not called from
3112 * ev_view_size_allocate()
3114 if (!view->internal_size_request &&
3115 (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
3116 view->sizing_mode == EV_SIZING_BEST_FIT)) {
3117 GtkAllocation allocation;
3119 gtk_widget_get_allocation (widget, &allocation);
3120 ev_view_zoom_for_size (view,
3125 if (view->continuous && view->dual_page)
3126 ev_view_size_request_continuous_dual_page (view, &view->requisition);
3127 else if (view->continuous)
3128 ev_view_size_request_continuous (view, &view->requisition);
3129 else if (view->dual_page)
3130 ev_view_size_request_dual_page (view, &view->requisition);
3132 ev_view_size_request_single_page (view, &view->requisition);
3134 *requisition = view->requisition;
3138 ev_view_size_allocate (GtkWidget *widget,
3139 GtkAllocation *allocation)
3141 EvView *view = EV_VIEW (widget);
3142 GList *children, *l;
3143 gint root_x, root_y;
3145 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
3147 if (!view->document)
3150 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
3151 view->sizing_mode == EV_SIZING_BEST_FIT) {
3154 ev_view_zoom_for_size (view,
3156 allocation->height);
3157 view->internal_size_request = TRUE;
3158 ev_view_size_request (widget, &req);
3159 view->internal_size_request = FALSE;
3162 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
3163 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
3166 view_update_range_and_current_page (view);
3168 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
3169 view->pending_resize = FALSE;
3170 view->pending_point.x = 0;
3171 view->pending_point.y = 0;
3173 children = gtk_container_get_children (GTK_CONTAINER (widget));
3174 for (l = children; l && l->data; l = g_list_next (l)) {
3176 GdkRectangle view_area;
3177 EvMappingList *form_field_mapping;
3178 GtkAllocation child_allocation;
3179 GtkRequisition child_requisition;
3180 GtkWidget *child = (GtkWidget *)l->data;
3182 field = g_object_get_data (G_OBJECT (child), "form-field");
3186 form_field_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
3187 field->page->index);
3188 ev_view_get_area_from_mapping (view, field->page->index,
3192 gtk_widget_size_request (child, &child_requisition);
3193 if (child_requisition.width != view_area.width ||
3194 child_requisition.height != view_area.height)
3195 gtk_widget_set_size_request (child, view_area.width, view_area.height);
3197 gtk_container_child_get (GTK_CONTAINER (widget),
3199 "x", &child_allocation.x,
3200 "y", &child_allocation.y,
3202 if (child_allocation.x != view_area.x ||
3203 child_allocation.y != view_area.y) {
3204 gtk_layout_move (GTK_LAYOUT (widget), child, view_area.x, view_area.y);
3207 g_list_free (children);
3209 if (view->window_children)
3210 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
3213 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
3214 EvViewWindowChild *child;
3215 EvRectangle doc_rect;
3216 GdkRectangle view_rect;
3218 child = (EvViewWindowChild *)l->data;
3220 ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (child->window), &doc_rect);
3222 doc_rect.x1 = child->orig_x;
3223 doc_rect.y1 = child->orig_y;
3225 doc_rect_to_view_rect (view, child->page, &doc_rect, &view_rect);
3226 view_rect.x -= view->scroll_x;
3227 view_rect.y -= view->scroll_y;
3229 if (view_rect.x != child->orig_x || view_rect.y != child->orig_y) {
3230 child->parent_x = root_x;
3231 child->parent_y = root_y;
3232 ev_view_window_child_move (view, child, view_rect.x + root_x, view_rect.y + root_y);
3238 ev_view_realize (GtkWidget *widget)
3240 EvView *view = EV_VIEW (widget);
3241 GdkWindow *bin_window;
3244 if (GTK_WIDGET_CLASS (ev_view_parent_class)->realize)
3245 (* GTK_WIDGET_CLASS (ev_view_parent_class)->realize) (widget);
3247 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
3248 gdk_window_set_events (bin_window,
3249 (gdk_window_get_events (bin_window) |
3251 GDK_BUTTON_PRESS_MASK |
3252 GDK_BUTTON_RELEASE_MASK |
3254 GDK_KEY_PRESS_MASK |
3255 GDK_POINTER_MOTION_MASK |
3256 GDK_POINTER_MOTION_HINT_MASK |
3257 GDK_ENTER_NOTIFY_MASK |
3258 GDK_LEAVE_NOTIFY_MASK));
3260 style = gtk_widget_get_style (widget);
3261 gdk_window_set_background (bin_window, &style->mid[GTK_STATE_NORMAL]);
3263 on_adjustment_value_changed (NULL, view);
3267 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
3269 EvView *view = EV_VIEW (widget);
3272 state = event->state & gtk_accelerator_get_default_mod_mask ();
3274 if (state == GDK_CONTROL_MASK) {
3275 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
3276 if (event->direction == GDK_SCROLL_UP ||
3277 event->direction == GDK_SCROLL_LEFT) {
3278 if (ev_view_can_zoom_in (view)) {
3279 ev_view_zoom_in (view);
3282 if (ev_view_can_zoom_out (view)) {
3283 ev_view_zoom_out (view);
3290 view->jump_to_find_result = FALSE;
3292 /* Shift+Wheel scrolls the in the perpendicular direction */
3293 if (state & GDK_SHIFT_MASK) {
3294 if (event->direction == GDK_SCROLL_UP)
3295 event->direction = GDK_SCROLL_LEFT;
3296 else if (event->direction == GDK_SCROLL_LEFT)
3297 event->direction = GDK_SCROLL_UP;
3298 else if (event->direction == GDK_SCROLL_DOWN)
3299 event->direction = GDK_SCROLL_RIGHT;
3300 else if (event->direction == GDK_SCROLL_RIGHT)
3301 event->direction = GDK_SCROLL_DOWN;
3303 event->state &= ~GDK_SHIFT_MASK;
3304 state &= ~GDK_SHIFT_MASK;
3307 if (state == 0 && view->sizing_mode == EV_SIZING_BEST_FIT && !view->continuous) {
3308 switch (event->direction) {
3309 case GDK_SCROLL_DOWN:
3310 case GDK_SCROLL_RIGHT:
3311 ev_view_next_page (view);
3314 case GDK_SCROLL_LEFT:
3315 ev_view_previous_page (view);
3325 static EvViewSelection *
3326 find_selection_for_page (EvView *view,
3331 for (list = view->selection_info.selections; list != NULL; list = list->next) {
3332 EvViewSelection *selection;
3334 selection = (EvViewSelection *) list->data;
3336 if (selection->page == page)
3344 ev_view_expose_event (GtkWidget *widget,
3345 GdkEventExpose *event)
3347 EvView *view = EV_VIEW (widget);
3348 GdkWindow *bin_window;
3352 if (view->loading) {
3353 show_loading_window (view);
3354 } else if (view->loading_window &&
3355 gtk_widget_get_visible (view->loading_window)) {
3356 ev_view_loading_window_move (view);
3359 if (view->document == NULL)
3362 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
3363 cr = gdk_cairo_create (bin_window);
3365 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
3366 GdkRectangle page_area;
3368 gboolean page_ready = TRUE;
3370 if (!ev_view_get_page_extents (view, i, &page_area, &border))
3373 page_area.x -= view->scroll_x;
3374 page_area.y -= view->scroll_y;
3376 draw_one_page (view, i, cr, &page_area, &border, &(event->area), &page_ready);
3378 if (page_ready && view->find_pages && view->highlight_find_results)
3379 highlight_find_results (view, i);
3380 if (page_ready && EV_IS_DOCUMENT_ANNOTATIONS (view->document))
3381 show_annotation_windows (view, i);
3382 if (page_ready && view->focus_annotation)
3383 focus_annotation (view, i, &event->area);
3384 if (page_ready && view->synctex_result)
3385 highlight_forward_search_results (view, i);
3390 if (GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event)
3391 (* GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) (widget, event);
3397 ev_view_do_popup_menu (EvView *view,
3401 GList *items = NULL;
3404 EvAnnotation *annot;
3406 image = ev_view_get_image_at_location (view, x, y);
3408 items = g_list_prepend (items, image);
3410 link = ev_view_get_link_at_location (view, x, y);
3412 items = g_list_prepend (items, link);
3414 annot = ev_view_get_annotation_at_location (view, x, y);
3416 items = g_list_prepend (items, annot);
3418 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, items);
3420 g_list_free (items);
3426 ev_view_popup_menu (GtkWidget *widget)
3430 gtk_widget_get_pointer (widget, &x, &y);
3431 return ev_view_do_popup_menu (EV_VIEW (widget), x, y);
3435 get_link_area (EvView *view,
3441 EvMappingList *link_mapping;
3443 gint x_offset = 0, y_offset = 0;
3445 x += view->scroll_x;
3446 y += view->scroll_y;
3448 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3450 link_mapping = ev_page_cache_get_link_mapping (view->page_cache, page);
3451 ev_view_get_area_from_mapping (view, page,
3457 get_annot_area (EvView *view,
3460 EvAnnotation *annot,
3463 EvMappingList *annot_mapping;
3465 gint x_offset = 0, y_offset = 0;
3467 x += view->scroll_x;
3468 y += view->scroll_y;
3470 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3472 annot_mapping = ev_page_cache_get_annot_mapping (view->page_cache, page);
3473 ev_view_get_area_from_mapping (view, page,
3479 ev_view_query_tooltip (GtkWidget *widget,
3482 gboolean keyboard_tip,
3483 GtkTooltip *tooltip)
3485 EvView *view = EV_VIEW (widget);
3487 EvAnnotation *annot;
3490 annot = ev_view_get_annotation_at_location (view, x, y);
3492 const gchar *contents;
3494 if ((contents = ev_annotation_get_contents (annot))) {
3495 GdkRectangle annot_area;
3497 get_annot_area (view, x, y, annot, &annot_area);
3498 gtk_tooltip_set_text (tooltip, contents);
3499 gtk_tooltip_set_tip_area (tooltip, &annot_area);
3505 link = ev_view_get_link_at_location (view, x, y);
3509 text = tip_from_link (view, link);
3510 if (text && g_utf8_validate (text, -1, NULL)) {
3511 GdkRectangle link_area;
3513 get_link_area (view, x, y, link, &link_area);
3514 gtk_tooltip_set_text (tooltip, text);
3515 gtk_tooltip_set_tip_area (tooltip, &link_area);
3526 start_selection_for_event (EvView *view,
3527 GdkEventButton *event)
3529 clear_selection (view);
3531 view->selection_info.start.x = event->x + view->scroll_x;
3532 view->selection_info.start.y = event->y + view->scroll_y;
3534 switch (event->type) {
3535 case GDK_2BUTTON_PRESS:
3536 view->selection_info.style = EV_SELECTION_STYLE_WORD;
3538 case GDK_3BUTTON_PRESS:
3539 view->selection_info.style = EV_SELECTION_STYLE_LINE;
3542 view->selection_info.style = EV_SELECTION_STYLE_GLYPH;
3546 /* In case of WORD or LINE, compute selections now */
3547 compute_selections (view,
3548 view->selection_info.style,
3549 &(view->selection_info.start),
3550 &(view->selection_info.start));
3554 ev_view_button_press_event (GtkWidget *widget,
3555 GdkEventButton *event)
3557 EvView *view = EV_VIEW (widget);
3559 if (!view->document)
3562 if (!gtk_widget_has_focus (widget)) {
3563 gtk_widget_grab_focus (widget);
3566 if (view->window_child_focus) {
3567 EvAnnotationWindow *window;
3568 EvAnnotation *annot;
3570 window = EV_ANNOTATION_WINDOW (view->window_child_focus->window);
3571 annot = ev_annotation_window_get_annotation (window);
3572 ev_annotation_window_ungrab_focus (window);
3573 view->window_child_focus = NULL;
3576 view->pressed_button = event->button;
3577 view->selection_info.in_drag = FALSE;
3579 if (view->adding_annot)
3582 if (view->scroll_info.autoscrolling)
3585 switch (event->button) {
3588 EvAnnotation *annot;
3591 if (event->state & GDK_CONTROL_MASK)
3592 return ev_view_synctex_backward_search (view, event->x , event->y);
3594 if (EV_IS_SELECTION (view->document) && view->selection_info.selections) {
3595 if (event->type == GDK_3BUTTON_PRESS) {
3596 start_selection_for_event (view, event);
3597 } else if (location_in_selected_text (view,
3598 event->x + view->scroll_x,
3599 event->y + view->scroll_y)) {
3600 view->selection_info.in_drag = TRUE;
3602 start_selection_for_event (view, event);
3605 gtk_widget_queue_draw (widget);
3606 } else if ((annot = ev_view_get_annotation_at_location (view, event->x, event->y))) {
3607 ev_view_handle_annotation (view, annot, event->x, event->y, event->time);
3608 } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) {
3609 ev_view_remove_all (view);
3610 ev_view_handle_form_field (view, field, event->x, event->y);
3611 } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) &&
3612 (image = ev_view_get_image_at_location (view, event->x, event->y))) {
3613 if (view->image_dnd_info.image)
3614 g_object_unref (view->image_dnd_info.image);
3615 view->image_dnd_info.image = g_object_ref (image);
3616 view->image_dnd_info.in_drag = TRUE;
3618 view->image_dnd_info.start.x = event->x + view->scroll_x;
3619 view->image_dnd_info.start.y = event->y + view->scroll_y;
3621 ev_view_remove_all (view);
3623 if (view->synctex_result) {
3624 g_free (view->synctex_result);
3625 view->synctex_result = NULL;
3626 gtk_widget_queue_draw (widget);
3629 if (view->focus_annotation)
3630 view->focus_annotation = NULL;
3632 if (EV_IS_SELECTION (view->document))
3633 start_selection_for_event (view, event);
3638 /* use root coordinates as reference point because
3639 * scrolling changes window relative coordinates */
3640 view->drag_info.start.x = event->x_root;
3641 view->drag_info.start.y = event->y_root;
3642 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
3643 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
3645 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
3649 view->scroll_info.start_y = event->y;
3650 return ev_view_do_popup_menu (view, event->x, event->y);
3657 ev_view_remove_all (EvView *view)
3659 GList *children, *child;
3661 children = gtk_container_get_children (GTK_CONTAINER (view));
3662 for (child = children; child && child->data; child = g_list_next (child)) {
3663 gtk_container_remove (GTK_CONTAINER (view),
3664 GTK_WIDGET (child->data));
3666 g_list_free (children);
3669 /*** Drag and Drop ***/
3671 ev_view_drag_data_get (GtkWidget *widget,
3672 GdkDragContext *context,
3673 GtkSelectionData *selection_data,
3677 EvView *view = EV_VIEW (widget);
3680 case TARGET_DND_TEXT:
3681 if (EV_IS_SELECTION (view->document) &&
3682 view->selection_info.selections) {
3685 text = get_selected_text (view);
3686 gtk_selection_data_set_text (selection_data,
3692 case TARGET_DND_IMAGE:
3693 if (view->image_dnd_info.image) {
3696 ev_document_doc_mutex_lock ();
3697 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3698 view->image_dnd_info.image);
3699 ev_document_doc_mutex_unlock ();
3701 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
3702 g_object_unref (pixbuf);
3705 case TARGET_DND_URI:
3706 if (view->image_dnd_info.image) {
3708 const gchar *tmp_uri;
3711 ev_document_doc_mutex_lock ();
3712 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3713 view->image_dnd_info.image);
3714 ev_document_doc_mutex_unlock ();
3716 tmp_uri = ev_image_save_tmp (view->image_dnd_info.image, pixbuf);
3717 g_object_unref (pixbuf);
3719 uris[0] = (gchar *)tmp_uri;
3721 gtk_selection_data_set_uris (selection_data, uris);
3727 ev_view_drag_motion (GtkWidget *widget,
3728 GdkDragContext *context,
3733 if (gtk_drag_get_source_widget (context) == widget)
3734 gdk_drag_status (context, 0, time);
3736 gdk_drag_status (context, gdk_drag_context_get_suggested_action (context), time);
3742 selection_update_idle_cb (EvView *view)
3744 compute_selections (view,
3745 view->selection_info.style,
3746 &view->selection_info.start,
3748 view->selection_update_id = 0;
3753 selection_scroll_timeout_cb (EvView *view)
3755 gint x, y, shift = 0;
3756 GtkWidget *widget = GTK_WIDGET (view);
3757 GtkAllocation allocation;
3759 gtk_widget_get_allocation (widget, &allocation);
3760 gtk_widget_get_pointer (widget, &x, &y);
3762 if (y > allocation.height) {
3763 shift = (y - allocation.height) / 2;
3769 gtk_adjustment_set_value (view->vadjustment,
3770 CLAMP (gtk_adjustment_get_value (view->vadjustment) + shift,
3771 gtk_adjustment_get_lower (view->vadjustment),
3772 gtk_adjustment_get_upper (view->vadjustment) -
3773 gtk_adjustment_get_page_size (view->vadjustment)));
3775 if (x > allocation.width) {
3776 shift = (x - allocation.width) / 2;
3782 gtk_adjustment_set_value (view->hadjustment,
3783 CLAMP (gtk_adjustment_get_value (view->hadjustment) + shift,
3784 gtk_adjustment_get_lower (view->hadjustment),
3785 gtk_adjustment_get_upper (view->hadjustment) -
3786 gtk_adjustment_get_page_size (view->hadjustment)));
3792 ev_view_drag_update_momentum (EvView *view)
3795 if (!view->drag_info.in_drag)
3798 for (i = DRAG_HISTORY - 1; i > 0; i--) {
3799 view->drag_info.buffer[i].x = view->drag_info.buffer[i-1].x;
3800 view->drag_info.buffer[i].y = view->drag_info.buffer[i-1].y;
3803 /* Momentum is a moving average of 10ms granularity over
3804 * the last 100ms with each 10ms stored in buffer.
3807 view->drag_info.momentum.x = (view->drag_info.buffer[DRAG_HISTORY - 1].x - view->drag_info.buffer[0].x);
3808 view->drag_info.momentum.y = (view->drag_info.buffer[DRAG_HISTORY - 1].y - view->drag_info.buffer[0].y);
3814 ev_view_scroll_drag_release (EvView *view)
3816 gdouble dhadj_value, dvadj_value;
3817 gdouble oldhadjustment, oldvadjustment;
3818 gdouble h_page_size, v_page_size;
3819 gdouble h_upper, v_upper;
3820 GtkAllocation allocation;
3822 view->drag_info.momentum.x /= 1.2;
3823 view->drag_info.momentum.y /= 1.2; /* Alter these constants to change "friction" */
3825 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
3827 h_page_size = gtk_adjustment_get_page_size (view->hadjustment);
3828 v_page_size = gtk_adjustment_get_page_size (view->vadjustment);
3830 dhadj_value = h_page_size *
3831 (gdouble)view->drag_info.momentum.x / allocation.width;
3832 dvadj_value = v_page_size *
3833 (gdouble)view->drag_info.momentum.y / allocation.height;
3835 oldhadjustment = gtk_adjustment_get_value (view->hadjustment);
3836 oldvadjustment = gtk_adjustment_get_value (view->vadjustment);
3838 h_upper = gtk_adjustment_get_upper (view->hadjustment);
3839 v_upper = gtk_adjustment_get_upper (view->vadjustment);
3841 /* When we reach the edges, we need either to absorb some momentum and bounce by
3842 * multiplying it on -0.5 or stop scrolling by setting momentum to 0. */
3843 if (((oldhadjustment + dhadj_value) > (h_upper - h_page_size)) ||
3844 ((oldhadjustment + dhadj_value) < 0))
3845 view->drag_info.momentum.x = 0;
3846 if (((oldvadjustment + dvadj_value) > (v_upper - v_page_size)) ||
3847 ((oldvadjustment + dvadj_value) < 0))
3848 view->drag_info.momentum.y = 0;
3850 gtk_adjustment_set_value (view->hadjustment,
3851 MIN (oldhadjustment + dhadj_value,
3852 h_upper - h_page_size));
3853 gtk_adjustment_set_value (view->vadjustment,
3854 MIN (oldvadjustment + dvadj_value,
3855 v_upper - v_page_size));
3857 if (((view->drag_info.momentum.x < 1) && (view->drag_info.momentum.x > -1)) &&
3858 ((view->drag_info.momentum.y < 1) && (view->drag_info.momentum.y > -1)))
3865 ev_view_motion_notify_event (GtkWidget *widget,
3866 GdkEventMotion *event)
3868 EvView *view = EV_VIEW (widget);
3869 GdkWindow *bin_window;
3872 if (!view->document)
3875 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
3877 if (event->is_hint || event->window != bin_window) {
3878 gtk_widget_get_pointer (widget, &x, &y);
3884 if (view->scroll_info.autoscrolling) {
3885 view->scroll_info.last_y = y;
3889 if (view->selection_info.in_drag) {
3890 if (gtk_drag_check_threshold (widget,
3891 view->selection_info.start.x,
3892 view->selection_info.start.y,
3894 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3896 gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT);
3898 gtk_drag_begin (widget, target_list,
3900 1, (GdkEvent *)event);
3902 view->selection_info.in_drag = FALSE;
3904 gtk_target_list_unref (target_list);
3908 } else if (view->image_dnd_info.in_drag) {
3909 if (gtk_drag_check_threshold (widget,
3910 view->selection_info.start.x,
3911 view->selection_info.start.y,
3913 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3915 gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI);
3916 gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE);
3918 gtk_drag_begin (widget, target_list,
3920 1, (GdkEvent *)event);
3922 view->image_dnd_info.in_drag = FALSE;
3924 gtk_target_list_unref (target_list);
3930 switch (view->pressed_button) {
3932 /* For the Evince 0.4.x release, we limit selection to un-rotated
3935 if (view->rotation != 0)
3938 /* Schedule timeout to scroll during selection and additionally
3939 * scroll once to allow arbitrary speed. */
3940 if (!view->selection_scroll_id)
3941 view->selection_scroll_id = g_timeout_add (SCROLL_TIME,
3942 (GSourceFunc)selection_scroll_timeout_cb,
3945 selection_scroll_timeout_cb (view);
3947 view->selection_info.in_selection = TRUE;
3948 view->motion.x = x + view->scroll_x;
3949 view->motion.y = y + view->scroll_y;
3951 /* Queue an idle to handle the motion. We do this because
3952 * handling any selection events in the motion could be slower
3953 * than new motion events reach us. We always put it in the
3954 * idle to make sure we catch up and don't visibly lag the
3956 if (!view->selection_update_id)
3957 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
3961 if (!view->drag_info.in_drag) {
3965 start = gtk_drag_check_threshold (widget,
3966 view->drag_info.start.x,
3967 view->drag_info.start.y,
3970 view->drag_info.in_drag = start;
3971 view->drag_info.drag_timeout_id = g_timeout_add (10,
3972 (GSourceFunc)ev_view_drag_update_momentum, view);
3973 /* Set 100 to choose how long it takes to build up momentum */
3974 /* Clear out previous momentum info: */
3975 for (i = 0; i < DRAG_HISTORY; i++) {
3976 view->drag_info.buffer[i].x = event->x;
3977 view->drag_info.buffer[i].y = event->y;
3979 view->drag_info.momentum.x = 0;
3980 view->drag_info.momentum.y = 0;
3983 if (view->drag_info.in_drag) {
3985 gdouble dhadj_value, dvadj_value;
3986 GtkAllocation allocation;
3988 view->drag_info.buffer[0].x = event->x;
3989 view->drag_info.buffer[0].y = event->y;
3991 dx = event->x_root - view->drag_info.start.x;
3992 dy = event->y_root - view->drag_info.start.y;
3994 gtk_widget_get_allocation (widget, &allocation);
3996 dhadj_value = gtk_adjustment_get_page_size (view->hadjustment) *
3997 (gdouble)dx / allocation.width;
3998 dvadj_value = gtk_adjustment_get_page_size (view->vadjustment) *
3999 (gdouble)dy / allocation.height;
4001 /* clamp scrolling to visible area */
4002 gtk_adjustment_set_value (view->hadjustment,
4003 MIN (view->drag_info.hadj - dhadj_value,
4004 gtk_adjustment_get_upper (view->hadjustment) -
4005 gtk_adjustment_get_page_size (view->hadjustment)));
4006 gtk_adjustment_set_value (view->vadjustment,
4007 MIN (view->drag_info.vadj - dvadj_value,
4008 gtk_adjustment_get_upper (view->vadjustment) -
4009 gtk_adjustment_get_page_size (view->vadjustment)));
4016 ev_view_handle_cursor_over_xy (view, x, y);
4023 ev_view_button_release_event (GtkWidget *widget,
4024 GdkEventButton *event)
4026 EvView *view = EV_VIEW (widget);
4027 EvLink *link = NULL;
4029 view->image_dnd_info.in_drag = FALSE;
4031 if (view->scroll_info.autoscrolling) {
4032 ev_view_autoscroll_stop (view);
4033 view->pressed_button = -1;
4038 if (view->pressed_button == 1 && event->state & GDK_CONTROL_MASK) {
4039 view->pressed_button = -1;
4043 if (view->drag_info.in_drag) {
4044 view->drag_info.release_timeout_id =
4046 (GSourceFunc)ev_view_scroll_drag_release, view);
4049 if (view->document && !view->drag_info.in_drag && view->pressed_button != 3) {
4050 link = ev_view_get_link_at_location (view, event->x, event->y);
4053 view->drag_info.in_drag = FALSE;
4055 if (view->adding_annot && view->pressed_button == 1) {
4056 view->adding_annot = FALSE;
4057 ev_view_handle_cursor_over_xy (view, event->x, event->y);
4058 view->pressed_button = -1;
4060 ev_view_create_annotation (view,
4061 view->adding_annot_type,
4062 event->x + view->scroll_x,
4063 event->y + view->scroll_y);
4068 if (view->pressed_button == 2) {
4069 ev_view_handle_cursor_over_xy (view, event->x, event->y);
4072 view->pressed_button = -1;
4074 if (view->selection_scroll_id) {
4075 g_source_remove (view->selection_scroll_id);
4076 view->selection_scroll_id = 0;
4078 if (view->selection_update_id) {
4079 g_source_remove (view->selection_update_id);
4080 view->selection_update_id = 0;
4083 if (view->selection_info.selections) {
4084 clear_link_selected (view);
4085 ev_view_update_primary_selection (view);
4087 if (view->selection_info.in_drag) {
4088 clear_selection (view);
4089 gtk_widget_queue_draw (widget);
4092 view->selection_info.in_drag = FALSE;
4094 if (event->button == 2) {
4095 EvLinkAction *action;
4096 EvLinkActionType type;
4098 action = ev_link_get_action (link);
4102 type = ev_link_action_get_action_type (action);
4103 if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
4104 g_signal_emit (view,
4105 signals[SIGNAL_EXTERNAL_LINK],
4109 ev_view_handle_link (view, link);
4117 ev_view_key_press_event (GtkWidget *widget,
4120 EvView *view = EV_VIEW (widget);
4122 if (!view->document)
4125 if (!gtk_widget_has_focus (widget)) {
4126 /* Forward key events to current focused window child */
4127 if (view->window_child_focus) {
4128 GdkEventKey *new_event;
4131 new_event = (GdkEventKey *) gdk_event_copy ((GdkEvent *)event);
4132 g_object_unref (new_event->window);
4133 new_event->window = gtk_widget_get_window (view->window_child_focus->window);
4134 if (new_event->window)
4135 g_object_ref (new_event->window);
4136 gtk_widget_realize (view->window_child_focus->window);
4137 handled = gtk_widget_event (view->window_child_focus->window, (GdkEvent *)new_event);
4138 gdk_event_free ((GdkEvent *)new_event);
4146 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
4150 ev_view_focus_in (GtkWidget *widget,
4151 GdkEventFocus *event)
4153 if (EV_VIEW (widget)->pixbuf_cache)
4154 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4155 gtk_widget_queue_draw (widget);
4161 ev_view_focus_out (GtkWidget *widget,
4162 GdkEventFocus *event)
4164 if (EV_VIEW (widget)->pixbuf_cache)
4165 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4166 gtk_widget_queue_draw (widget);
4172 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
4174 EvView *view = EV_VIEW (widget);
4176 if (view->cursor != EV_VIEW_CURSOR_NORMAL)
4177 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
4183 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
4185 EvView *view = EV_VIEW (widget);
4187 ev_view_handle_cursor_over_xy (view, event->x, event->y);
4193 ev_view_style_set (GtkWidget *widget,
4194 GtkStyle *old_style)
4196 if (EV_VIEW (widget)->pixbuf_cache)
4197 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4199 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
4205 draw_rubberband (EvView *view,
4207 const GdkRectangle *rect,
4211 GdkColor *fill_color_gdk;
4215 style = gtk_widget_get_style (GTK_WIDGET (view));
4216 fill_color_gdk = gdk_color_copy (&style->base[GTK_STATE_SELECTED]);
4217 r = fill_color_gdk->red / 65535.;
4218 g = fill_color_gdk->green / 65535.;
4219 b = fill_color_gdk->blue / 65535.;
4221 cr = gdk_cairo_create (window);
4223 cairo_set_source_rgba (cr, r, g, b, alpha);
4224 cairo_rectangle (cr,
4225 rect->x - view->scroll_x,
4226 rect->y - view->scroll_y,
4227 rect->width, rect->height);
4228 cairo_fill_preserve (cr);
4230 cairo_set_line_width (cr, 0.5);
4231 cairo_set_source_rgb (cr, r, g, b);
4236 gdk_color_free (fill_color_gdk);
4241 highlight_find_results (EvView *view, int page)
4243 gint i, n_results = 0;
4244 GdkWindow *bin_window;
4246 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
4248 n_results = ev_view_find_get_n_results (view, page);
4250 for (i = 0; i < n_results; i++) {
4251 EvRectangle *rectangle;
4252 GdkRectangle view_rectangle;
4255 if (i == view->find_result && page == view->current_page) {
4261 rectangle = ev_view_find_get_result (view, page, i);
4262 doc_rect_to_view_rect (view, page, rectangle, &view_rectangle);
4263 draw_rubberband (view, bin_window, &view_rectangle, alpha);
4268 highlight_forward_search_results (EvView *view, int page)
4270 GdkWindow *bin_window;
4273 EvMapping *mapping = view->synctex_result;
4275 if (GPOINTER_TO_INT (mapping->data) != page)
4278 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
4279 doc_rect_to_view_rect (view, page, &mapping->area, &rect);
4281 cr = gdk_cairo_create (bin_window);
4282 cairo_set_source_rgb (cr, 1., 0., 0.);
4283 cairo_rectangle (cr,
4284 rect.x - view->scroll_x,
4285 rect.y - view->scroll_y,
4286 rect.width, rect.height);
4292 focus_annotation (EvView *view,
4296 GtkWidget *widget = GTK_WIDGET (view);
4298 EvMapping *mapping = view->focus_annotation;
4299 EvAnnotation *annot = (EvAnnotation *)mapping->data;
4301 if (ev_annotation_get_page_index (annot) != page)
4304 doc_rect_to_view_rect (view, page, &mapping->area, &rect);
4305 gtk_paint_focus (gtk_widget_get_style (widget),
4306 gtk_layout_get_bin_window (GTK_LAYOUT (view)),
4307 gtk_widget_get_state (widget),
4309 rect.x - view->scroll_x,
4310 rect.y - view->scroll_y,
4311 rect.width + 1, rect.height + 1);
4315 ev_view_loading_window_move (EvView *view)
4317 GtkWidget *widget = GTK_WIDGET (view);
4318 EvLoadingWindow *window = EV_LOADING_WINDOW (view->loading_window);
4319 gint root_x, root_y;
4321 GtkAllocation allocation;
4323 gtk_widget_get_allocation (widget, &allocation);
4324 gdk_window_get_origin (gtk_widget_get_window (widget), &root_x, &root_y);
4325 ev_loading_window_get_size (window, &window_width, NULL);
4327 root_x += allocation.width - window_width - 10;
4330 ev_loading_window_move (window, root_x, root_y);
4334 show_loading_window_cb (EvView *view)
4336 if (!view->loading_window) {
4340 parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
4341 view->loading_window = ev_loading_window_new (parent);
4343 /* Show the window off screen to get a valid size asap */
4344 screen = gtk_widget_get_screen (GTK_WIDGET (view));
4345 gtk_window_move (GTK_WINDOW (view->loading_window),
4346 gdk_screen_get_width (screen) + 1,
4347 gdk_screen_get_height (screen) + 1);
4348 gtk_widget_show (view->loading_window);
4351 ev_view_loading_window_move (view);
4353 gtk_widget_show (view->loading_window);
4355 view->loading_timeout = 0;
4361 show_loading_window (EvView *view)
4363 if (view->loading_window && gtk_widget_get_visible (view->loading_window)) {
4364 ev_view_loading_window_move (view);
4368 if (!view->loading_timeout) {
4369 view->loading_timeout =
4370 g_timeout_add_full (G_PRIORITY_LOW,
4371 0.5, (GSourceFunc)show_loading_window_cb,
4377 hide_loading_window (EvView *view)
4379 if (view->loading_timeout) {
4380 g_source_remove (view->loading_timeout);
4381 view->loading_timeout = 0;
4384 if (view->loading_window && gtk_widget_get_visible (view->loading_window)) {
4385 gtk_widget_hide (view->loading_window);
4390 draw_one_page (EvView *view,
4393 GdkRectangle *page_area,
4395 GdkRectangle *expose_area,
4396 gboolean *page_ready)
4398 GdkRectangle overlap;
4399 GdkRectangle real_page_area;
4401 gboolean inverted_colors;
4403 g_assert (view->document);
4405 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
4408 /* Render the document itself */
4409 real_page_area = *page_area;
4411 real_page_area.x += border->left;
4412 real_page_area.y += border->top;
4413 real_page_area.width -= (border->left + border->right);
4414 real_page_area.height -= (border->top + border->bottom);
4417 current_page = ev_document_model_get_page (view->model);
4418 inverted_colors = ev_document_model_get_inverted_colors (view->model);
4419 ev_document_misc_paint_one_page (cr,
4422 page == current_page,
4425 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
4427 gint page_width, page_height;
4428 cairo_surface_t *page_surface = NULL;
4429 gint selection_width, selection_height;
4430 cairo_surface_t *selection_surface = NULL;
4432 page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page);
4434 if (!page_surface) {
4435 if (page == current_page)
4436 show_loading_window (view);
4438 *page_ready = FALSE;
4443 if (page == current_page)
4444 hide_loading_window (view);
4446 ev_view_get_page_size (view, page, &width, &height);
4448 page_width = cairo_image_surface_get_width (page_surface);
4449 page_height = cairo_image_surface_get_height (page_surface);
4452 cairo_translate (cr, overlap.x, overlap.y);
4454 if (width != page_width || height != page_height) {
4455 cairo_pattern_set_filter (cairo_get_source (cr),
4458 (gdouble)width / page_width,
4459 (gdouble)height / page_height);
4462 cairo_surface_set_device_offset (page_surface,
4463 overlap.x - real_page_area.x,
4464 overlap.y - real_page_area.y);
4465 cairo_set_source_surface (cr, page_surface, 0, 0);
4469 /* Get the selection pixbuf iff we have something to draw */
4470 if (find_selection_for_page (view, page) &&
4471 view->selection_mode == EV_VIEW_SELECTION_TEXT) {
4473 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
4479 if (!selection_surface) {
4483 selection_width = cairo_image_surface_get_width (selection_surface);
4484 selection_height = cairo_image_surface_get_height (selection_surface);
4487 cairo_translate (cr, overlap.x, overlap.y);
4489 if (width != selection_width || height != selection_height) {
4490 cairo_pattern_set_filter (cairo_get_source (cr),
4493 (gdouble)width / selection_width,
4494 (gdouble)height / selection_height);
4497 cairo_surface_set_device_offset (selection_surface,
4498 overlap.x - real_page_area.x,
4499 overlap.y - real_page_area.y);
4501 cairo_set_source_surface (cr, selection_surface, 0, 0);
4507 /*** GObject functions ***/
4510 ev_view_finalize (GObject *object)
4512 EvView *view = EV_VIEW (object);
4514 clear_selection (view);
4515 clear_link_selected (view);
4517 if (view->synctex_result) {
4518 g_free (view->synctex_result);
4519 view->synctex_result = NULL;
4522 if (view->image_dnd_info.image)
4523 g_object_unref (view->image_dnd_info.image);
4524 view->image_dnd_info.image = NULL;
4526 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
4530 ev_view_destroy (GtkObject *object)
4532 EvView *view = EV_VIEW (object);
4535 g_object_unref (view->model);
4539 if (view->pixbuf_cache) {
4540 g_object_unref (view->pixbuf_cache);
4541 view->pixbuf_cache = NULL;
4544 if (view->document) {
4545 g_object_unref (view->document);
4546 view->document = NULL;
4549 if (view->page_cache) {
4550 g_object_unref (view->page_cache);
4551 view->page_cache = NULL;
4554 ev_view_window_children_free (view);
4556 if (view->selection_scroll_id) {
4557 g_source_remove (view->selection_scroll_id);
4558 view->selection_scroll_id = 0;
4561 if (view->selection_update_id) {
4562 g_source_remove (view->selection_update_id);
4563 view->selection_update_id = 0;
4566 if (view->scroll_info.timeout_id) {
4567 g_source_remove (view->scroll_info.timeout_id);
4568 view->scroll_info.timeout_id = 0;
4571 if (view->drag_info.drag_timeout_id) {
4572 g_source_remove (view->drag_info.drag_timeout_id);
4573 view->drag_info.drag_timeout_id = 0;
4576 if (view->drag_info.release_timeout_id) {
4577 g_source_remove (view->drag_info.release_timeout_id);
4578 view->drag_info.release_timeout_id = 0;
4581 if (view->loading_timeout) {
4582 g_source_remove (view->loading_timeout);
4583 view->loading_timeout = 0;
4586 ev_view_set_scroll_adjustments (GTK_LAYOUT (view), NULL, NULL);
4588 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
4592 ev_view_get_accessible (GtkWidget *widget)
4594 static gboolean first_time = TRUE;
4597 AtkObjectFactory *factory;
4598 AtkRegistry *registry;
4600 GType derived_atk_type;
4603 * Figure out whether accessibility is enabled by looking at the
4604 * type of the accessible object which would be created for
4605 * the parent type of EvView.
4607 derived_type = g_type_parent (EV_TYPE_VIEW);
4609 registry = atk_get_default_registry ();
4610 factory = atk_registry_get_factory (registry,
4612 derived_atk_type = atk_object_factory_get_accessible_type (factory);
4613 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE)) {
4614 atk_registry_set_factory_type (registry,
4616 ev_view_accessible_factory_get_type ());
4617 EV_VIEW (widget)->a11y_enabled = TRUE;
4621 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
4625 ev_view_class_init (EvViewClass *class)
4627 GObjectClass *object_class = G_OBJECT_CLASS (class);
4628 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
4629 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
4630 GtkLayoutClass *layout_class = GTK_LAYOUT_CLASS (class);
4631 GtkBindingSet *binding_set;
4633 object_class->finalize = ev_view_finalize;
4635 widget_class->expose_event = ev_view_expose_event;
4636 widget_class->button_press_event = ev_view_button_press_event;
4637 widget_class->motion_notify_event = ev_view_motion_notify_event;
4638 widget_class->button_release_event = ev_view_button_release_event;
4639 widget_class->key_press_event = ev_view_key_press_event;
4640 widget_class->focus_in_event = ev_view_focus_in;
4641 widget_class->focus_out_event = ev_view_focus_out;
4642 widget_class->get_accessible = ev_view_get_accessible;
4643 widget_class->size_request = ev_view_size_request;
4644 widget_class->size_allocate = ev_view_size_allocate;
4645 widget_class->realize = ev_view_realize;
4646 widget_class->scroll_event = ev_view_scroll_event;
4647 widget_class->enter_notify_event = ev_view_enter_notify_event;
4648 widget_class->leave_notify_event = ev_view_leave_notify_event;
4649 widget_class->style_set = ev_view_style_set;
4650 widget_class->drag_data_get = ev_view_drag_data_get;
4651 widget_class->drag_motion = ev_view_drag_motion;
4652 widget_class->popup_menu = ev_view_popup_menu;
4653 widget_class->query_tooltip = ev_view_query_tooltip;
4655 gtk_object_class->destroy = ev_view_destroy;
4657 layout_class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
4659 class->binding_activated = ev_view_scroll;
4661 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
4662 G_TYPE_FROM_CLASS (object_class),
4663 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4664 G_STRUCT_OFFSET (EvViewClass, binding_activated),
4666 ev_view_marshal_VOID__ENUM_BOOLEAN,
4668 GTK_TYPE_SCROLL_TYPE,
4670 signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link",
4671 G_TYPE_FROM_CLASS (object_class),
4672 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4673 G_STRUCT_OFFSET (EvViewClass, handle_link),
4675 g_cclosure_marshal_VOID__OBJECT,
4678 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
4679 G_TYPE_FROM_CLASS (object_class),
4680 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4681 G_STRUCT_OFFSET (EvViewClass, external_link),
4683 g_cclosure_marshal_VOID__OBJECT,
4686 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
4687 G_TYPE_FROM_CLASS (object_class),
4688 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4689 G_STRUCT_OFFSET (EvViewClass, popup_menu),
4691 g_cclosure_marshal_VOID__POINTER,
4694 signals[SIGNAL_SELECTION_CHANGED] = g_signal_new ("selection-changed",
4695 G_TYPE_FROM_CLASS (object_class),
4696 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4697 G_STRUCT_OFFSET (EvViewClass, selection_changed),
4699 g_cclosure_marshal_VOID__VOID,
4702 signals[SIGNAL_SYNC_SOURCE] = g_signal_new ("sync-source",
4703 G_TYPE_FROM_CLASS (object_class),
4704 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4705 G_STRUCT_OFFSET (EvViewClass, sync_source),
4707 g_cclosure_marshal_VOID__POINTER,
4710 signals[SIGNAL_ANNOT_ADDED] = g_signal_new ("annot-added",
4711 G_TYPE_FROM_CLASS (object_class),
4712 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4713 G_STRUCT_OFFSET (EvViewClass, annot_added),
4715 g_cclosure_marshal_VOID__OBJECT,
4717 EV_TYPE_ANNOTATION);
4718 signals[SIGNAL_LAYERS_CHANGED] = g_signal_new ("layers-changed",
4719 G_TYPE_FROM_CLASS (object_class),
4720 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4721 G_STRUCT_OFFSET (EvViewClass, layers_changed),
4723 g_cclosure_marshal_VOID__VOID,
4727 binding_set = gtk_binding_set_by_class (class);
4729 add_scroll_binding_keypad (binding_set, GDK_Left, 0, GTK_SCROLL_STEP_BACKWARD, TRUE);
4730 add_scroll_binding_keypad (binding_set, GDK_Right, 0, GTK_SCROLL_STEP_FORWARD, TRUE);
4731 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, TRUE);
4732 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, TRUE);
4733 add_scroll_binding_keypad (binding_set, GDK_Up, 0, GTK_SCROLL_STEP_BACKWARD, FALSE);
4734 add_scroll_binding_keypad (binding_set, GDK_Down, 0, GTK_SCROLL_STEP_FORWARD, FALSE);
4735 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, FALSE);
4736 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, FALSE);
4737 gtk_binding_entry_add_signal (binding_set, GDK_H, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4738 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE);
4739 gtk_binding_entry_add_signal (binding_set, GDK_J, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4740 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE);
4741 gtk_binding_entry_add_signal (binding_set, GDK_K, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4742 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE);
4743 gtk_binding_entry_add_signal (binding_set, GDK_L, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4744 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE);
4749 ev_view_init (EvView *view)
4751 gtk_widget_set_can_focus (GTK_WIDGET (view), TRUE);
4753 view->start_page = -1;
4754 view->end_page = -1;
4757 view->current_page = 0;
4758 view->pressed_button = -1;
4759 view->cursor = EV_VIEW_CURSOR_NORMAL;
4760 view->drag_info.in_drag = FALSE;
4761 view->scroll_info.autoscrolling = FALSE;
4762 view->selection_info.selections = NULL;
4763 view->selection_info.in_selection = FALSE;
4764 view->selection_info.in_drag = FALSE;
4765 view->selection_mode = EV_VIEW_SELECTION_TEXT;
4766 view->continuous = TRUE;
4767 view->dual_page = FALSE;
4768 view->fullscreen = FALSE;
4769 view->sizing_mode = EV_SIZING_FIT_WIDTH;
4770 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4771 view->jump_to_find_result = TRUE;
4772 view->highlight_find_results = FALSE;
4774 gtk_layout_set_hadjustment (GTK_LAYOUT (view), NULL);
4775 gtk_layout_set_vadjustment (GTK_LAYOUT (view), NULL);
4781 ev_view_change_page (EvView *view,
4786 view->current_page = new_page;
4787 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4789 hide_loading_window (view);
4791 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4792 ev_view_handle_cursor_over_xy (view, x, y);
4794 gtk_widget_queue_resize (GTK_WIDGET (view));
4798 job_finished_cb (EvPixbufCache *pixbuf_cache,
4799 cairo_region_t *region,
4803 GdkWindow *bin_window;
4805 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
4806 #if GTK_CHECK_VERSION(2, 90, 5)
4807 gdk_window_invalidate_region (bin_window, region, TRUE);
4810 GdkRegion *gdk_region = gdk_region_new ();
4811 guint n_recs = cairo_region_num_rectangles (region);
4814 for (i = 0; i < n_recs; i++) {
4815 cairo_rectangle_int_t rect;
4817 cairo_region_get_rectangle (region, i, &rect);
4818 gdk_region_union_with_rect (gdk_region, (GdkRectangle *)&rect);
4820 gdk_window_invalidate_region (bin_window, gdk_region, TRUE);
4821 gdk_region_destroy (gdk_region);
4825 gtk_widget_queue_draw (GTK_WIDGET (view));
4830 ev_view_page_changed_cb (EvDocumentModel *model,
4835 if (!view->document)
4838 if (view->current_page != new_page) {
4839 ev_view_change_page (view, new_page);
4841 gtk_widget_queue_draw (GTK_WIDGET (view));
4844 view->find_result = 0;
4848 on_adjustment_value_changed (GtkAdjustment *adjustment,
4854 GList *children, *l;
4856 if (!gtk_widget_get_realized (GTK_WIDGET (view)))
4859 if (view->hadjustment) {
4860 value = (gint) gtk_adjustment_get_value (view->hadjustment);
4861 dx = view->scroll_x - value;
4862 view->scroll_x = value;
4867 if (view->vadjustment) {
4868 value = (gint) gtk_adjustment_get_value (view->vadjustment);
4869 dy = view->scroll_y - value;
4870 view->scroll_y = value;
4875 children = gtk_container_get_children (GTK_CONTAINER (view));
4876 for (l = children; l && l->data; l = g_list_next (l)) {
4877 gint child_x, child_y;
4878 GtkWidget *child = (GtkWidget *)l->data;
4880 gtk_container_child_get (GTK_CONTAINER (view),
4885 gtk_layout_move (GTK_LAYOUT (view), child, child_x + dx, child_y + dy);
4887 g_list_free (children);
4889 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
4890 EvViewWindowChild *child;
4892 child = (EvViewWindowChild *)l->data;
4894 ev_view_window_child_move (view, child, child->x + dx, child->y + dy);
4897 if (view->pending_resize) {
4898 gtk_widget_queue_draw (GTK_WIDGET (view));
4900 GdkWindow *bin_window;
4902 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
4903 gdk_window_scroll (bin_window, dx, dy);
4906 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4907 ev_view_handle_cursor_over_xy (view, x, y);
4910 view_update_range_and_current_page (view);
4918 view = g_object_new (EV_TYPE_VIEW, NULL);
4924 setup_caches (EvView *view)
4926 gboolean inverted_colors;
4928 view->height_to_page_cache = ev_view_get_height_to_page_cache (view);
4929 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->model, view->pixbuf_cache_size);
4930 view->page_cache = ev_page_cache_new (view->document);
4931 if (view->a11y_enabled) {
4932 EvJobPageDataFlags flags = ev_page_cache_get_flags (view->page_cache);
4934 ev_page_cache_set_flags (view->page_cache,
4936 EV_PAGE_DATA_INCLUDE_TEXT_LAYOUT |
4937 EV_PAGE_DATA_INCLUDE_TEXT);
4939 inverted_colors = ev_document_model_get_inverted_colors (view->model);
4940 ev_pixbuf_cache_set_inverted_colors (view->pixbuf_cache, inverted_colors);
4941 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
4945 clear_caches (EvView *view)
4947 if (view->pixbuf_cache) {
4948 g_object_unref (view->pixbuf_cache);
4949 view->pixbuf_cache = NULL;
4952 if (view->page_cache) {
4953 g_object_unref (view->page_cache);
4954 view->page_cache = NULL;
4959 * ev_view_set_page_cache_size:
4963 * Sets the maximum size in bytes that will be used to cache
4964 * rendered pages. Use 0 to disable caching rendered pages.
4966 * Note that this limit doesn't affect the current visible page range,
4967 * which will always be rendered. In order to limit the total memory used
4968 * you have to use ev_document_model_set_max_scale() too.
4972 ev_view_set_page_cache_size (EvView *view,
4975 if (view->pixbuf_cache_size == cache_size)
4978 view->pixbuf_cache_size = cache_size;
4979 if (view->pixbuf_cache)
4980 ev_pixbuf_cache_set_max_size (view->pixbuf_cache, cache_size);
4984 ev_view_set_loading (EvView *view,
4987 if (view->loading && !loading)
4988 hide_loading_window (view);
4989 view->loading = loading;
4990 gtk_widget_queue_draw (GTK_WIDGET (view));
4994 ev_view_autoscroll_cb (EvView *view)
4996 gdouble speed, value;
4998 /* If the user stops autoscrolling, autoscrolling will be
4999 * set to false but the timeout will continue; stop the timeout: */
5000 if (!view->scroll_info.autoscrolling) {
5001 view->scroll_info.timeout_id = 0;
5005 if (view->scroll_info.last_y > view->scroll_info.start_y &&
5006 (view->scroll_info.last_y < view->scroll_info.start_y))
5009 /* Replace 100 with your speed of choice: The lower the faster.
5010 * Replace 3 with another speed of choice: The higher, the faster it accelerated
5011 * based on the distance of the starting point from the mouse
5012 * (All also effected by the timeout interval of this callback) */
5014 if (view->scroll_info.start_y > view->scroll_info.last_y)
5015 speed = -pow ((((gdouble)view->scroll_info.start_y - view->scroll_info.last_y) / 100), 3);
5017 speed = pow ((((gdouble)view->scroll_info.last_y - view->scroll_info.start_y) / 100), 3);
5019 value = gtk_adjustment_get_value (view->vadjustment);
5020 value = CLAMP (value + speed, 0,
5021 gtk_adjustment_get_upper (view->vadjustment) -
5022 gtk_adjustment_get_page_size (view->vadjustment));
5023 gtk_adjustment_set_value (view->vadjustment, value);
5030 ev_view_autoscroll_start (EvView *view)
5034 g_return_if_fail (EV_IS_VIEW (view));
5036 if (view->scroll_info.autoscrolling)
5039 view->scroll_info.autoscrolling = TRUE;
5040 view->scroll_info.timeout_id =
5041 g_timeout_add (20, (GSourceFunc)ev_view_autoscroll_cb,
5044 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
5045 ev_view_handle_cursor_over_xy (view, x, y);
5049 ev_view_autoscroll_stop (EvView *view)
5053 g_return_if_fail (EV_IS_VIEW (view));
5055 if (!view->scroll_info.autoscrolling)
5058 view->scroll_info.autoscrolling = FALSE;
5059 if (view->scroll_info.timeout_id) {
5060 g_source_remove (view->scroll_info.timeout_id);
5061 view->scroll_info.timeout_id = 0;
5064 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
5065 ev_view_handle_cursor_over_xy (view, x, y);
5069 ev_view_document_changed_cb (EvDocumentModel *model,
5073 EvDocument *document = ev_document_model_get_document (model);
5075 if (document != view->document) {
5078 clear_caches (view);
5080 if (view->document) {
5081 g_object_unref (view->document);
5084 view->document = document;
5085 view->find_result = 0;
5087 if (view->document) {
5088 view->loading = FALSE;
5089 g_object_ref (view->document);
5090 setup_caches (view);
5093 current_page = ev_document_model_get_page (model);
5094 if (view->current_page != current_page) {
5095 ev_view_change_page (view, current_page);
5097 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
5098 gtk_widget_queue_resize (GTK_WIDGET (view));
5104 ev_view_rotation_changed_cb (EvDocumentModel *model,
5108 gint rotation = ev_document_model_get_rotation (model);
5110 view->rotation = rotation;
5112 if (view->pixbuf_cache) {
5113 ev_pixbuf_cache_clear (view->pixbuf_cache);
5114 if (!ev_document_is_page_size_uniform (view->document))
5115 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5116 gtk_widget_queue_resize (GTK_WIDGET (view));
5119 ev_view_remove_all (view);
5122 clear_selection (view);
5126 ev_view_inverted_colors_changed_cb (EvDocumentModel *model,
5130 if (view->pixbuf_cache) {
5131 gboolean inverted_colors;
5133 inverted_colors = ev_document_model_get_inverted_colors (model);
5134 ev_pixbuf_cache_set_inverted_colors (view->pixbuf_cache, inverted_colors);
5135 gtk_widget_queue_draw (GTK_WIDGET (view));
5140 ev_view_sizing_mode_changed_cb (EvDocumentModel *model,
5144 EvSizingMode mode = ev_document_model_get_sizing_mode (model);
5146 view->sizing_mode = mode;
5147 if (mode != EV_SIZING_FREE)
5148 gtk_widget_queue_resize (GTK_WIDGET (view));
5151 #define EPSILON 0.0000001
5153 ev_view_scale_changed_cb (EvDocumentModel *model,
5157 gdouble scale = ev_document_model_get_scale (model);
5159 if (ABS (view->scale - scale) < EPSILON)
5162 view->scale = scale;
5164 view->pending_resize = TRUE;
5165 if (view->sizing_mode == EV_SIZING_FREE)
5166 gtk_widget_queue_resize (GTK_WIDGET (view));
5170 ev_view_continuous_changed_cb (EvDocumentModel *model,
5174 gboolean continuous = ev_document_model_get_continuous (model);
5176 view->continuous = continuous;
5177 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5178 gtk_widget_queue_resize (GTK_WIDGET (view));
5182 ev_view_dual_page_changed_cb (EvDocumentModel *model,
5186 gboolean dual_page = ev_document_model_get_dual_page (model);
5188 view->dual_page = dual_page;
5189 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5190 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
5191 * preload_cache_size to be 2 if dual_page is set.
5193 gtk_widget_queue_resize (GTK_WIDGET (view));
5197 ev_view_fullscreen_changed_cb (EvDocumentModel *model,
5201 gboolean fullscreen = ev_document_model_get_fullscreen (model);
5203 view->fullscreen = fullscreen;
5204 gtk_widget_queue_resize (GTK_WIDGET (view));
5208 ev_view_set_model (EvView *view,
5209 EvDocumentModel *model)
5211 g_return_if_fail (EV_IS_VIEW (view));
5212 g_return_if_fail (EV_IS_DOCUMENT_MODEL (model));
5214 if (model == view->model)
5218 g_signal_handlers_disconnect_by_func (view->model,
5219 ev_view_document_changed_cb,
5221 g_signal_handlers_disconnect_by_func (view->model,
5222 ev_view_page_changed_cb,
5224 g_object_unref (view->model);
5226 view->model = g_object_ref (model);
5228 /* Initialize view from model */
5229 view->rotation = ev_document_model_get_rotation (view->model);
5230 view->sizing_mode = ev_document_model_get_sizing_mode (view->model);
5231 view->scale = ev_document_model_get_scale (view->model);
5232 view->continuous = ev_document_model_get_continuous (view->model);
5233 view->dual_page = ev_document_model_get_dual_page (view->model);
5234 view->fullscreen = ev_document_model_get_fullscreen (view->model);
5235 ev_view_document_changed_cb (view->model, NULL, view);
5237 g_signal_connect (view->model, "notify::document",
5238 G_CALLBACK (ev_view_document_changed_cb),
5240 g_signal_connect (view->model, "notify::rotation",
5241 G_CALLBACK (ev_view_rotation_changed_cb),
5243 g_signal_connect (view->model, "notify::inverted-colors",
5244 G_CALLBACK (ev_view_inverted_colors_changed_cb),
5246 g_signal_connect (view->model, "notify::sizing-mode",
5247 G_CALLBACK (ev_view_sizing_mode_changed_cb),
5249 g_signal_connect (view->model, "notify::scale",
5250 G_CALLBACK (ev_view_scale_changed_cb),
5252 g_signal_connect (view->model, "notify::continuous",
5253 G_CALLBACK (ev_view_continuous_changed_cb),
5255 g_signal_connect (view->model, "notify::dual-page",
5256 G_CALLBACK (ev_view_dual_page_changed_cb),
5258 g_signal_connect (view->model, "notify::fullscreen",
5259 G_CALLBACK (ev_view_fullscreen_changed_cb),
5261 g_signal_connect (view->model, "page-changed",
5262 G_CALLBACK (ev_view_page_changed_cb),
5267 ev_view_reload_page (EvView *view,
5269 cairo_region_t *region)
5271 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
5279 ev_view_reload (EvView *view)
5281 ev_pixbuf_cache_clear (view->pixbuf_cache);
5282 view_update_range_and_current_page (view);
5285 /*** Zoom and sizing mode ***/
5288 ev_view_can_zoom_in (EvView *view)
5290 return view->scale * ZOOM_IN_FACTOR <= ev_document_model_get_max_scale (view->model);
5294 ev_view_can_zoom_out (EvView *view)
5296 return view->scale * ZOOM_OUT_FACTOR >= ev_document_model_get_min_scale (view->model);
5300 ev_view_zoom_in (EvView *view)
5304 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5306 view->pending_scroll = SCROLL_TO_CENTER;
5307 scale = ev_document_model_get_scale (view->model) * ZOOM_IN_FACTOR;
5308 ev_document_model_set_scale (view->model, scale);
5312 ev_view_zoom_out (EvView *view)
5316 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5318 view->pending_scroll = SCROLL_TO_CENTER;
5319 scale = ev_document_model_get_scale (view->model) * ZOOM_OUT_FACTOR;
5320 ev_document_model_set_scale (view->model, scale);
5324 zoom_for_size_fit_width (gdouble doc_width,
5329 return (double)target_width / doc_width;
5333 zoom_for_size_fit_height (gdouble doc_width,
5338 return (double)target_height / doc_height;
5342 zoom_for_size_best_fit (gdouble doc_width,
5350 w_scale = (double)target_width / doc_width;
5351 h_scale = (double)target_height / doc_height;
5353 return MIN (w_scale, h_scale);
5357 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
5361 gdouble doc_width, doc_height;
5366 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5367 if (view->rotation == 90 || view->rotation == 270) {
5371 doc_width = doc_height;
5375 compute_border (view, doc_width, doc_height, &border);
5378 width -= (2 * (border.left + border.right) + 3 * view->spacing);
5379 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5381 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5383 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5384 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5385 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5386 scale = zoom_for_size_best_fit (doc_width, doc_height, width - sb_size, height);
5388 g_assert_not_reached ();
5390 ev_document_model_set_scale (view->model, scale);
5394 ev_view_zoom_for_size_continuous (EvView *view,
5398 gdouble doc_width, doc_height;
5403 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5404 if (view->rotation == 90 || view->rotation == 270) {
5408 doc_width = doc_height;
5412 compute_border (view, doc_width, doc_height, &border);
5414 width -= (border.left + border.right + 2 * view->spacing);
5415 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5417 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5419 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5420 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5421 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5422 scale = zoom_for_size_best_fit (doc_width, doc_height, width - sb_size, height);
5424 g_assert_not_reached ();
5426 ev_document_model_set_scale (view->model, scale);
5430 ev_view_zoom_for_size_dual_page (EvView *view,
5435 gdouble doc_width, doc_height;
5439 other_page = view->current_page ^ 1;
5441 /* Find the largest of the two. */
5442 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5443 if (other_page < ev_document_get_n_pages (view->document)) {
5444 gdouble width_2, height_2;
5446 get_doc_page_size (view, other_page, &width_2, &height_2);
5447 if (width_2 > doc_width)
5448 doc_width = width_2;
5449 if (height_2 > doc_height)
5450 doc_height = height_2;
5452 compute_border (view, width, height, &border);
5454 doc_width = doc_width * 2;
5455 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
5456 height -= (border.top + border.bottom + 2 * view->spacing);
5458 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5461 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5462 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5463 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5464 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5466 g_assert_not_reached ();
5468 ev_document_model_set_scale (view->model, scale);
5472 ev_view_zoom_for_size_single_page (EvView *view,
5476 gdouble doc_width, doc_height;
5480 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5482 /* Get an approximate border */
5483 compute_border (view, width, height, &border);
5485 width -= (border.left + border.right + 2 * view->spacing);
5486 height -= (border.top + border.bottom + 2 * view->spacing);
5488 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5491 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5492 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5493 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5494 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5496 g_assert_not_reached ();
5498 ev_document_model_set_scale (view->model, scale);
5502 ev_view_zoom_for_size (EvView *view,
5506 g_return_if_fail (EV_IS_VIEW (view));
5507 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
5508 view->sizing_mode == EV_SIZING_BEST_FIT);
5509 g_return_if_fail (width >= 0);
5510 g_return_if_fail (height >= 0);
5512 if (view->document == NULL)
5515 if (view->continuous && view->dual_page)
5516 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height);
5517 else if (view->continuous)
5518 ev_view_zoom_for_size_continuous (view, width, height);
5519 else if (view->dual_page)
5520 ev_view_zoom_for_size_dual_page (view, width, height);
5522 ev_view_zoom_for_size_single_page (view, width, height);
5527 ev_view_find_get_n_results (EvView *view, gint page)
5529 return view->find_pages ? g_list_length (view->find_pages[page]) : 0;
5532 static EvRectangle *
5533 ev_view_find_get_result (EvView *view, gint page, gint result)
5535 return view->find_pages ? (EvRectangle *) g_list_nth_data (view->find_pages[page], result) : NULL;
5539 jump_to_find_result (EvView *view)
5542 gint page = view->current_page;
5544 n_results = ev_view_find_get_n_results (view, page);
5546 if (n_results > 0 && view->find_result < n_results) {
5548 GdkRectangle view_rect;
5550 rect = ev_view_find_get_result (view, page, view->find_result);
5551 doc_rect_to_view_rect (view, page, rect, &view_rect);
5552 ensure_rectangle_is_visible (view, &view_rect);
5553 view->jump_to_find_result = FALSE;
5559 * @view: #EvView instance
5560 * @direction: Direction to look
5561 * @shift: Shift from current page
5563 * Jumps to the first page that has occurences of searched word.
5564 * Uses a direction where to look and a shift from current page.
5568 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
5572 n_pages = ev_document_get_n_pages (view->document);
5574 for (i = 0; i < n_pages; i++) {
5577 if (direction == EV_VIEW_FIND_NEXT)
5578 page = view->current_page + i;
5580 page = view->current_page - i;
5583 if (page >= n_pages) {
5584 page = page - n_pages;
5585 } else if (page < 0)
5586 page = page + n_pages;
5588 if (ev_view_find_get_n_results (view, page) > 0) {
5589 ev_document_model_set_page (view->model, page);
5596 ev_view_find_changed (EvView *view, GList **results, gint page)
5598 view->find_pages = results;
5600 if (view->jump_to_find_result == TRUE) {
5601 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
5602 jump_to_find_result (view);
5605 if (view->current_page == page)
5606 gtk_widget_queue_draw (GTK_WIDGET (view));
5610 ev_view_find_next (EvView *view)
5614 n_results = ev_view_find_get_n_results (view, view->current_page);
5615 view->find_result++;
5617 if (view->find_result >= n_results) {
5618 view->find_result = 0;
5619 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
5620 jump_to_find_result (view);
5622 jump_to_find_result (view);
5623 gtk_widget_queue_draw (GTK_WIDGET (view));
5628 ev_view_find_previous (EvView *view)
5630 view->find_result--;
5632 if (view->find_result < 0) {
5633 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
5634 view->find_result = MAX (0, ev_view_find_get_n_results (view, view->current_page) - 1);
5635 jump_to_find_result (view);
5637 jump_to_find_result (view);
5638 gtk_widget_queue_draw (GTK_WIDGET (view));
5643 ev_view_find_search_changed (EvView *view)
5645 /* search string has changed, focus on new search result */
5646 view->jump_to_find_result = TRUE;
5647 view->find_pages = NULL;
5651 ev_view_find_set_highlight_search (EvView *view, gboolean value)
5653 view->highlight_find_results = value;
5654 gtk_widget_queue_draw (GTK_WIDGET (view));
5658 ev_view_find_cancel (EvView *view)
5660 view->find_pages = NULL;
5665 ev_view_highlight_forward_search (EvView *view,
5670 GdkRectangle view_rect;
5672 if (!ev_document_has_synctex (view->document))
5675 mapping = ev_document_synctex_forward_search (view->document, link);
5679 if (view->synctex_result)
5680 g_free (view->synctex_result);
5681 view->synctex_result = mapping;
5683 page = GPOINTER_TO_INT (mapping->data);
5684 ev_document_model_set_page (view->model, page);
5686 doc_rect_to_view_rect (view, page, &mapping->area, &view_rect);
5687 ensure_rectangle_is_visible (view, &view_rect);
5688 gtk_widget_queue_draw (GTK_WIDGET (view));
5691 /*** Selections ***/
5693 /* compute_new_selection_rect/text calculates the area currently selected by
5694 * view_rect. each handles a different mode;
5697 compute_new_selection_rect (EvView *view,
5701 GdkRectangle view_rect;
5705 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
5707 view_rect.x = MIN (start->x, stop->x);
5708 view_rect.y = MIN (start->y, stop->y);
5709 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
5710 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
5712 n_pages = ev_document_get_n_pages (view->document);
5714 for (i = 0; i < n_pages; i++) {
5715 GdkRectangle page_area;
5718 if (ev_view_get_page_extents (view, i, &page_area, &border)) {
5719 GdkRectangle overlap;
5721 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
5722 EvViewSelection *selection;
5724 selection = g_new0 (EvViewSelection, 1);
5725 selection->page = i;
5726 view_rect_to_doc_rect (view, &overlap, &page_area,
5727 &(selection->rect));
5729 list = g_list_append (list, selection);
5738 gdk_rectangle_point_in (GdkRectangle *rectangle,
5741 return rectangle->x <= point->x &&
5742 rectangle->y <= point->y &&
5743 point->x < rectangle->x + rectangle->width &&
5744 point->y < rectangle->y + rectangle->height;
5748 compute_new_selection_text (EvView *view,
5749 EvSelectionStyle style,
5753 int n_pages, i, first, last;
5755 EvViewSelection *selection;
5756 gdouble width, height;
5757 int start_page, end_page;
5759 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
5761 n_pages = ev_document_get_n_pages (view->document);
5763 /* First figure out the range of pages the selection
5767 if (view->continuous) {
5770 } else if (view->dual_page) {
5771 start_page = view->start_page;
5772 end_page = view->end_page + 1;
5774 start_page = view->current_page;
5775 end_page = view->current_page + 1;
5778 for (i = start_page; i < end_page; i++) {
5779 GdkRectangle page_area;
5782 ev_view_get_page_extents (view, i, &page_area, &border);
5783 if (gdk_rectangle_point_in (&page_area, start) ||
5784 gdk_rectangle_point_in (&page_area, stop)) {
5785 if (first == n_pages)
5792 /* Now create a list of EvViewSelection's for the affected
5793 * pages. This could be an empty list, a list of just one
5794 * page or a number of pages.*/
5795 for (i = first; i < last + 1; i++) {
5796 GdkRectangle page_area;
5800 get_doc_page_size (view, i, &width, &height);
5802 selection = g_new0 (EvViewSelection, 1);
5803 selection->page = i;
5804 selection->style = style;
5805 selection->rect.x1 = selection->rect.y1 = 0;
5806 selection->rect.x2 = width;
5807 selection->rect.y2 = height;
5809 ev_view_get_page_extents (view, i, &page_area, &border);
5811 if (gdk_rectangle_point_in (&page_area, start))
5817 view_point_to_doc_point (view, point, &page_area,
5818 &selection->rect.x1,
5819 &selection->rect.y1);
5821 /* If the selection is contained within just one page,
5822 * make sure we don't write 'start' into both points
5823 * in selection->rect. */
5828 view_point_to_doc_point (view, point, &page_area,
5829 &selection->rect.x2,
5830 &selection->rect.y2);
5832 list = g_list_append (list, selection);
5838 /* This function takes the newly calculated list, and figures out which regions
5839 * have changed. It then queues a redraw approporiately.
5842 merge_selection_region (EvView *view,
5846 GList *new_list_ptr, *old_list_ptr;
5848 /* Update the selection */
5849 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
5850 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5851 g_list_free (view->selection_info.selections);
5852 view->selection_info.selections = new_list;
5853 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
5854 g_signal_emit (view, signals[SIGNAL_SELECTION_CHANGED], 0, NULL);
5856 new_list_ptr = new_list;
5857 old_list_ptr = old_list;
5859 while (new_list_ptr || old_list_ptr) {
5860 EvViewSelection *old_sel, *new_sel;
5862 cairo_region_t *region = NULL;
5864 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
5865 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
5867 /* Assume that the lists are in order, and we run through them
5868 * comparing them, one page at a time. We come out with the
5869 * first page we see. */
5870 if (new_sel && old_sel) {
5871 if (new_sel->page < old_sel->page) {
5872 new_list_ptr = new_list_ptr->next;
5874 } else if (new_sel->page > old_sel->page) {
5875 old_list_ptr = old_list_ptr->next;
5878 new_list_ptr = new_list_ptr->next;
5879 old_list_ptr = old_list_ptr->next;
5881 } else if (new_sel) {
5882 new_list_ptr = new_list_ptr->next;
5883 } else if (old_sel) {
5884 old_list_ptr = old_list_ptr->next;
5887 g_assert (new_sel || old_sel);
5889 /* is the page we're looking at on the screen?*/
5890 cur_page = new_sel ? new_sel->page : old_sel->page;
5891 if (cur_page < view->start_page || cur_page > view->end_page)
5894 /* seed the cache with a new page. We are going to need the new
5897 cairo_region_t *tmp_region = NULL;
5899 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
5904 if (tmp_region && !cairo_region_is_empty (tmp_region)) {
5905 new_sel->covered_region = cairo_region_reference (tmp_region);
5909 /* Now we figure out what needs redrawing */
5910 if (old_sel && new_sel) {
5911 if (old_sel->covered_region && new_sel->covered_region) {
5912 /* We only want to redraw the areas that have
5913 * changed, so we xor the old and new regions
5914 * and redraw if it's different */
5915 region = cairo_region_copy (old_sel->covered_region);
5916 #if CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1, 9, 12)
5917 cairo_region_xor (region, new_sel->covered_region);
5919 cairo_region_t *tbr;
5920 tbr = cairo_region_copy (new_sel->covered_region);
5922 /* xor old_sel, new_sel*/
5923 cairo_region_subtract (tbr, region);
5924 cairo_region_subtract (region, new_sel->covered_region);
5925 cairo_region_union (region, tbr);
5926 cairo_region_destroy (tbr);
5929 if (cairo_region_is_empty (region)) {
5930 cairo_region_destroy (region);
5933 gint num_rectangles = cairo_region_num_rectangles (region);
5936 /* We need to make the damage region a little bigger
5937 * because the edges of the old selection might change
5939 cairo_region_get_rectangle (region, 0, &r);
5942 cairo_region_union_rectangle (region, &r);
5944 cairo_region_get_rectangle (region, num_rectangles - 1, &r);
5947 cairo_region_union_rectangle (region, &r);
5949 } else if (old_sel->covered_region) {
5950 region = cairo_region_copy (old_sel->covered_region);
5951 } else if (new_sel->covered_region) {
5952 region = cairo_region_copy (new_sel->covered_region);
5954 } else if (old_sel && !new_sel) {
5955 if (old_sel->covered_region && !cairo_region_is_empty (old_sel->covered_region)) {
5956 region = cairo_region_copy (old_sel->covered_region);
5958 } else if (!old_sel && new_sel) {
5959 if (new_sel->covered_region && !cairo_region_is_empty (new_sel->covered_region)) {
5960 region = cairo_region_copy (new_sel->covered_region);
5963 g_assert_not_reached ();
5966 /* Redraw the damaged region! */
5968 GdkWindow *bin_window;
5969 GdkRectangle page_area;
5972 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
5973 ev_view_get_page_extents (view, cur_page, &page_area, &border);
5974 cairo_region_translate (region,
5975 page_area.x + border.left - view->scroll_x,
5976 page_area.y + border.top - view->scroll_y);
5977 #if GTK_CHECK_VERSION(2, 90, 5)
5978 gdk_window_invalidate_region (bin_window, region, TRUE);
5981 GdkRegion *gdk_region = gdk_region_new ();
5982 guint n_recs = cairo_region_num_rectangles (region);
5985 for (i = 0; i < n_recs; i++) {
5986 cairo_rectangle_int_t rect;
5988 cairo_region_get_rectangle (region, i, &rect);
5989 gdk_region_union_with_rect (gdk_region, (GdkRectangle *)&rect);
5991 gdk_window_invalidate_region (bin_window, gdk_region, TRUE);
5992 gdk_region_destroy (gdk_region);
5995 cairo_region_destroy (region);
5999 /* Free the old list, now that we're done with it. */
6000 g_list_foreach (old_list, (GFunc) selection_free, NULL);
6001 g_list_free (old_list);
6005 compute_selections (EvView *view,
6006 EvSelectionStyle style,
6012 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
6013 list = compute_new_selection_rect (view, start, stop);
6015 list = compute_new_selection_text (view, style, start, stop);
6016 merge_selection_region (view, list);
6019 /* Free's the selection. It's up to the caller to queue redraws if needed.
6022 selection_free (EvViewSelection *selection)
6024 if (selection->covered_region)
6025 cairo_region_destroy (selection->covered_region);
6030 clear_selection (EvView *view)
6032 if (view->selection_info.selections) {
6033 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
6034 g_list_free (view->selection_info.selections);
6035 view->selection_info.selections = NULL;
6037 g_signal_emit (view, signals[SIGNAL_SELECTION_CHANGED], 0, NULL);
6039 view->selection_info.in_selection = FALSE;
6040 if (view->pixbuf_cache)
6041 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
6045 ev_view_select_all (EvView *view)
6047 GList *selections = NULL;
6050 /* Disable selection on rotated pages for the 0.4.0 series */
6051 if (view->rotation != 0)
6054 clear_selection (view);
6056 n_pages = ev_document_get_n_pages (view->document);
6057 for (i = 0; i < n_pages; i++) {
6058 gdouble width, height;
6059 EvViewSelection *selection;
6061 get_doc_page_size (view, i, &width, &height);
6063 selection = g_new0 (EvViewSelection, 1);
6064 selection->page = i;
6065 selection->style = EV_SELECTION_STYLE_GLYPH;
6066 selection->rect.x1 = selection->rect.y1 = 0;
6067 selection->rect.x2 = width;
6068 selection->rect.y2 = height;
6070 selections = g_list_append (selections, selection);
6073 merge_selection_region (view, selections);
6074 gtk_widget_queue_draw (GTK_WIDGET (view));
6078 ev_view_get_has_selection (EvView *view)
6080 return view->selection_info.selections != NULL;
6084 get_selected_text (EvView *view)
6088 gchar *normalized_text;
6090 text = g_string_new (NULL);
6092 ev_document_doc_mutex_lock ();
6094 for (l = view->selection_info.selections; l != NULL; l = l->next) {
6095 EvViewSelection *selection = (EvViewSelection *)l->data;
6099 page = ev_document_get_page (view->document, selection->page);
6100 tmp = ev_selection_get_selected_text (EV_SELECTION (view->document),
6101 page, selection->style,
6102 &(selection->rect));
6103 g_object_unref (page);
6104 g_string_append (text, tmp);
6108 ev_document_doc_mutex_unlock ();
6110 normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC);
6111 g_string_free (text, TRUE);
6112 return normalized_text;
6116 ev_view_clipboard_copy (EvView *view,
6119 GtkClipboard *clipboard;
6121 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
6122 GDK_SELECTION_CLIPBOARD);
6123 gtk_clipboard_set_text (clipboard, text, -1);
6127 ev_view_copy (EvView *ev_view)
6131 if (!EV_IS_SELECTION (ev_view->document))
6134 text = get_selected_text (ev_view);
6135 ev_view_clipboard_copy (ev_view, text);
6140 ev_view_primary_get_cb (GtkClipboard *clipboard,
6141 GtkSelectionData *selection_data,
6145 EvView *ev_view = EV_VIEW (data);
6147 if (ev_view->link_selected) {
6148 gtk_selection_data_set_text (selection_data,
6149 ev_link_action_get_uri (ev_view->link_selected),
6151 } else if (EV_IS_SELECTION (ev_view->document) &&
6152 ev_view->selection_info.selections) {
6155 text = get_selected_text (ev_view);
6157 gtk_selection_data_set_text (selection_data, text, -1);
6164 ev_view_primary_clear_cb (GtkClipboard *clipboard,
6167 EvView *view = EV_VIEW (data);
6169 clear_selection (view);
6170 clear_link_selected (view);
6174 ev_view_update_primary_selection (EvView *ev_view)
6176 GtkClipboard *clipboard;
6178 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
6179 GDK_SELECTION_PRIMARY);
6181 if (ev_view->selection_info.selections || ev_view->link_selected) {
6182 GtkTargetList *target_list;
6183 GtkTargetEntry *targets;
6186 target_list = gtk_target_list_new (NULL, 0);
6187 gtk_target_list_add_text_targets (target_list, 0);
6188 targets = gtk_target_table_new_from_list (target_list, &n_targets);
6189 gtk_target_list_unref (target_list);
6191 if (!gtk_clipboard_set_with_owner (clipboard,
6193 ev_view_primary_get_cb,
6194 ev_view_primary_clear_cb,
6195 G_OBJECT (ev_view)))
6196 ev_view_primary_clear_cb (clipboard, ev_view);
6198 gtk_target_table_free (targets, n_targets);
6200 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
6201 gtk_clipboard_clear (clipboard);
6206 clear_link_selected (EvView *view)
6208 if (view->link_selected) {
6209 g_object_unref (view->link_selected);
6210 view->link_selected = NULL;
6215 ev_view_copy_link_address (EvView *view,
6216 EvLinkAction *action)
6218 clear_link_selected (view);
6220 ev_view_clipboard_copy (view, ev_link_action_get_uri (action));
6222 view->link_selected = g_object_ref (action);
6223 ev_view_update_primary_selection (view);
6226 /*** Cursor operations ***/
6228 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
6230 GdkCursor *cursor = NULL;
6232 GdkWindow *bin_window;
6234 if (view->cursor == new_cursor) {
6238 view->cursor = new_cursor;
6240 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
6241 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
6242 cursor = ev_view_cursor_new (gtk_widget_get_display (widget), new_cursor);
6243 gdk_window_set_cursor (bin_window, cursor);
6246 gdk_cursor_unref (cursor);
6250 ev_view_hide_cursor (EvView *view)
6252 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
6256 ev_view_show_cursor (EvView *view)
6258 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
6262 ev_view_next_page (EvView *view)
6266 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
6268 if (!view->document)
6271 page = ev_document_model_get_page (view->model);
6272 n_pages = ev_document_get_n_pages (view->document);
6274 if (view->dual_page)
6279 if (page < n_pages) {
6280 ev_document_model_set_page (view->model, page);
6282 } else if (view->dual_page && page == n_pages) {
6283 ev_document_model_set_page (view->model, page - 1);
6291 ev_view_previous_page (EvView *view)
6295 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
6297 if (!view->document)
6300 page = ev_document_model_get_page (view->model);
6302 if (view->dual_page)
6308 ev_document_model_set_page (view->model, page);
6310 } else if (view->dual_page && page == -1) {
6311 ev_document_model_set_page (view->model, 0);