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.h"
32 #include "ev-document-forms.h"
33 #include "ev-document-images.h"
34 #include "ev-document-links.h"
35 #include "ev-document-misc.h"
36 #include "ev-pixbuf-cache.h"
37 #include "ev-page-cache.h"
38 #include "ev-view-marshal.h"
39 #include "ev-document-annotations.h"
40 #include "ev-annotation-window.h"
41 #include "ev-loading-window.h"
43 #include "ev-view-accessible.h"
44 #include "ev-view-private.h"
45 #include "ev-view-type-builtins.h"
47 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
48 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
49 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
52 SIGNAL_BINDING_ACTIVATED,
56 SIGNAL_SELECTION_CHANGED,
67 static guint signals[N_SIGNALS];
72 } EvViewFindDirection;
74 #define ZOOM_IN_FACTOR 1.2
75 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
77 #define SCROLL_TIME 150
80 static void ev_view_set_scroll_adjustments (GtkLayout *layout,
81 GtkAdjustment *hadjustment,
82 GtkAdjustment *vadjustment);
83 static void view_update_range_and_current_page (EvView *view);
84 static void set_scroll_adjustment (EvView *view,
85 GtkOrientation orientation,
86 GtkAdjustment *adjustment);
87 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
89 GdkModifierType modifiers,
92 static void ensure_rectangle_is_visible (EvView *view,
95 /*** Geometry computations ***/
96 static void compute_border (EvView *view,
100 static void get_page_y_offset (EvView *view,
103 static void view_rect_to_doc_rect (EvView *view,
104 GdkRectangle *view_rect,
105 GdkRectangle *page_area,
106 EvRectangle *doc_rect);
107 static void doc_rect_to_view_rect (EvView *view,
109 EvRectangle *doc_rect,
110 GdkRectangle *view_rect);
111 static gboolean get_dual_even_left (EvView *view);
112 static void find_page_at_location (EvView *view,
118 static void doc_point_to_view_point (EvView *view,
121 GdkPoint *view_point);
123 static EvLink * ev_view_get_link_at_location (EvView *view,
126 static char* tip_from_link (EvView *view,
129 static EvFormField *ev_view_get_form_field_at_location (EvView *view,
133 /*** Annotations ***/
134 static EvAnnotation *ev_view_get_annotation_at_location (EvView *view,
137 static void show_annotation_windows (EvView *view,
139 static void hide_annotation_windows (EvView *view,
141 /*** GtkWidget implementation ***/
142 static void ev_view_size_request_continuous_dual_page (EvView *view,
143 GtkRequisition *requisition);
144 static void ev_view_size_request_continuous (EvView *view,
145 GtkRequisition *requisition);
146 static void ev_view_size_request_dual_page (EvView *view,
147 GtkRequisition *requisition);
148 static void ev_view_size_request_single_page (EvView *view,
149 GtkRequisition *requisition);
150 static void ev_view_size_request (GtkWidget *widget,
151 GtkRequisition *requisition);
152 static void ev_view_size_allocate (GtkWidget *widget,
153 GtkAllocation *allocation);
154 static void ev_view_realize (GtkWidget *widget);
155 static gboolean ev_view_scroll_event (GtkWidget *widget,
156 GdkEventScroll *event);
157 static gboolean ev_view_expose_event (GtkWidget *widget,
158 GdkEventExpose *event);
159 static gboolean ev_view_popup_menu (GtkWidget *widget);
160 static gboolean ev_view_button_press_event (GtkWidget *widget,
161 GdkEventButton *event);
162 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
163 GdkEventMotion *event);
164 static gboolean ev_view_button_release_event (GtkWidget *widget,
165 GdkEventButton *event);
166 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
167 GdkEventCrossing *event);
168 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
169 GdkEventCrossing *event);
170 static void ev_view_style_set (GtkWidget *widget,
171 GtkStyle *old_style);
172 static void ev_view_remove_all (EvView *view);
174 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
177 static void highlight_find_results (EvView *view,
179 static void highlight_forward_search_results (EvView *view,
181 static void draw_one_page (EvView *view,
184 GdkRectangle *page_area,
186 GdkRectangle *expose_area,
187 gboolean *page_ready);
188 static void show_loading_window (EvView *view);
189 static void hide_loading_window (EvView *view);
190 static void ev_view_reload_page (EvView *view,
192 cairo_region_t *region);
193 static void ev_view_loading_window_move (EvView *view);
196 static void ev_view_change_page (EvView *view,
198 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
199 cairo_region_t *region,
201 static void ev_view_page_changed_cb (EvDocumentModel *model,
205 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
209 static void ev_view_finalize (GObject *object);
210 static void ev_view_destroy (GtkObject *object);
211 static void ev_view_class_init (EvViewClass *class);
212 static void ev_view_init (EvView *view);
214 /*** Zoom and sizing ***/
215 static double zoom_for_size_fit_width (gdouble doc_width,
219 static double zoom_for_size_fit_height (gdouble doc_width,
223 static double zoom_for_size_best_fit (gdouble doc_width,
227 static void ev_view_zoom_for_size (EvView *view,
230 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
233 static void ev_view_zoom_for_size_continuous (EvView *view,
236 static void ev_view_zoom_for_size_dual_page (EvView *view,
239 static void ev_view_zoom_for_size_single_page (EvView *view,
243 static void ev_view_set_cursor (EvView *view,
244 EvViewCursor new_cursor);
245 static void ev_view_handle_cursor_over_xy (EvView *view,
250 static gint ev_view_find_get_n_results (EvView *view,
252 static EvRectangle *ev_view_find_get_result (EvView *view,
255 static void jump_to_find_result (EvView *view);
256 static void jump_to_find_page (EvView *view,
257 EvViewFindDirection direction,
260 static void compute_selections (EvView *view,
261 EvSelectionStyle style,
264 static void clear_selection (EvView *view);
265 static void clear_link_selected (EvView *view);
266 static void selection_free (EvViewSelection *selection);
267 static char* get_selected_text (EvView *ev_view);
268 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
269 GtkSelectionData *selection_data,
272 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
274 static void ev_view_update_primary_selection (EvView *ev_view);
276 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_LAYOUT)
278 /* HeightToPage cache */
279 #define EV_HEIGHT_TO_PAGE_CACHE_KEY "ev-height-to-page-cache"
282 build_height_to_page (EvHeightToPageCache *cache,
283 EvDocument *document,
286 gboolean swap, uniform, dual_even_left;
288 double uniform_height, page_height, next_page_height;
290 gdouble u_width, u_height;
293 swap = (rotation == 90 || rotation == 270);
295 uniform = ev_document_is_page_size_uniform (document);
296 n_pages = ev_document_get_n_pages (document);
297 dual_even_left = (n_pages > 2);
299 g_free (cache->height_to_page);
300 g_free (cache->dual_height_to_page);
302 cache->rotation = rotation;
303 cache->height_to_page = g_new0 (gdouble, n_pages + 1);
304 cache->dual_height_to_page = g_new0 (gdouble, n_pages + 2);
307 ev_document_get_page_size (document, 0, &u_width, &u_height);
310 for (i = 0; i <= n_pages; i++) {
312 uniform_height = swap ? u_width : u_height;
313 cache->height_to_page[i] = i * uniform_height;
318 ev_document_get_page_size (document, i, &w, &h);
319 page_height = swap ? w : h;
323 cache->height_to_page[i] = saved_height;
324 saved_height += page_height;
328 if (dual_even_left && !uniform) {
331 ev_document_get_page_size (document, 0, &w, &h);
332 saved_height = swap ? w : h;
337 for (i = dual_even_left; i < n_pages + 2; i += 2) {
339 uniform_height = swap ? u_width : u_height;
340 cache->dual_height_to_page[i] = ((i + dual_even_left) / 2) * uniform_height;
341 if (i + 1 < n_pages + 2)
342 cache->dual_height_to_page[i + 1] = ((i + dual_even_left) / 2) * uniform_height;
344 if (i + 1 < n_pages) {
347 ev_document_get_page_size (document, i + 1, &w, &h);
348 next_page_height = swap ? w : h;
350 next_page_height = 0;
356 ev_document_get_page_size (document, i, &w, &h);
357 page_height = swap ? w : h;
362 if (i + 1 < n_pages + 2) {
363 cache->dual_height_to_page[i] = saved_height;
364 cache->dual_height_to_page[i + 1] = saved_height;
365 saved_height += MAX(page_height, next_page_height);
367 cache->dual_height_to_page[i] = saved_height;
374 ev_height_to_page_cache_get_height (EvHeightToPageCache *cache,
375 EvDocument *document,
379 gdouble *dual_height)
381 if (cache->rotation != rotation)
382 build_height_to_page (cache, document, rotation);
384 *height = cache->height_to_page[page];
385 *dual_height = cache->dual_height_to_page[page];
389 ev_height_to_page_cache_free (EvHeightToPageCache *cache)
391 if (cache->height_to_page) {
392 g_free (cache->height_to_page);
393 cache->height_to_page = NULL;
396 if (cache->dual_height_to_page) {
397 g_free (cache->dual_height_to_page);
398 cache->dual_height_to_page = NULL;
403 static EvHeightToPageCache *
404 ev_view_get_height_to_page_cache (EvView *view)
406 EvHeightToPageCache *cache;
411 cache = g_object_get_data (G_OBJECT (view->document), EV_HEIGHT_TO_PAGE_CACHE_KEY);
413 cache = g_new0 (EvHeightToPageCache, 1);
414 build_height_to_page (cache, view->document, view->rotation);
415 g_object_set_data_full (G_OBJECT (view->document),
416 EV_HEIGHT_TO_PAGE_CACHE_KEY,
418 (GDestroyNotify)ev_height_to_page_cache_free);
425 ev_view_get_height_to_page (EvView *view,
432 if (!view->height_to_page_cache)
435 ev_height_to_page_cache_get_height (view->height_to_page_cache,
441 *height = (gint)(h * view->scale + 0.5);
444 *dual_height = (gint)(dh * view->scale + 0.5);
448 ev_view_get_scrollbar_size (EvView *view,
449 GtkOrientation orientation)
451 GtkWidget *widget = GTK_WIDGET (view);
453 GtkWidget *swindow = gtk_widget_get_parent (GTK_WIDGET (view));
454 GtkAllocation allocation;
458 if (!GTK_IS_SCROLLED_WINDOW (swindow))
461 gtk_widget_get_allocation (widget, &allocation);
463 if (orientation == GTK_ORIENTATION_VERTICAL) {
464 if (allocation.height >= view->requisition.height)
465 sb = gtk_scrolled_window_get_vscrollbar (GTK_SCROLLED_WINDOW (swindow));
469 if (allocation.width >= view->requisition.width)
470 sb = gtk_scrolled_window_get_hscrollbar (GTK_SCROLLED_WINDOW (swindow));
475 gtk_widget_style_get (swindow, "scrollbar_spacing", &spacing, NULL);
476 gtk_widget_size_request (sb, &req);
478 return (orientation == GTK_ORIENTATION_VERTICAL ? req.width : req.height) + spacing;
482 scroll_to_point (EvView *view,
485 GtkOrientation orientation)
488 gdouble upper, lower;
490 if (orientation == GTK_ORIENTATION_VERTICAL) {
491 page_size = gtk_adjustment_get_page_size (view->vadjustment);
492 upper = gtk_adjustment_get_upper (view->vadjustment);
493 lower = gtk_adjustment_get_lower (view->vadjustment);
495 if (view->continuous) {
496 gtk_adjustment_clamp_page (view->vadjustment,
497 y - view->spacing / 2,
500 gtk_adjustment_set_value (view->vadjustment,
501 CLAMP (y, lower, upper - page_size));
504 page_size = gtk_adjustment_get_page_size (view->hadjustment);
505 upper = gtk_adjustment_get_upper (view->hadjustment);
506 lower = gtk_adjustment_get_lower (view->hadjustment);
508 if (view->dual_page) {
509 gtk_adjustment_clamp_page (view->hadjustment, x,
512 gtk_adjustment_set_value (view->hadjustment,
513 CLAMP (x, lower, upper - page_size));
519 ev_view_scroll_to_page_position (EvView *view, GtkOrientation orientation)
526 if ((orientation == GTK_ORIENTATION_VERTICAL && view->pending_point.y == 0) ||
527 (orientation == GTK_ORIENTATION_HORIZONTAL && view->pending_point.x == 0)) {
528 GdkRectangle page_area;
531 ev_view_get_page_extents (view, view->current_page, &page_area, &border);
537 doc_point_to_view_point (view, view->current_page,
538 &view->pending_point, &view_point);
543 scroll_to_point (view, x, y, orientation);
547 view_set_adjustment_values (EvView *view,
548 GtkOrientation orientation)
550 GtkWidget *widget = GTK_WIDGET (view);
551 GtkAdjustment *adjustment;
552 GtkAllocation allocation;
561 gtk_widget_get_allocation (widget, &allocation);
563 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
564 req_size = view->requisition.width;
565 alloc_size = allocation.width;
566 adjustment = view->hadjustment;
568 req_size = view->requisition.height;
569 alloc_size = allocation.height;
570 adjustment = view->vadjustment;
577 value = gtk_adjustment_get_value (adjustment);
578 upper = gtk_adjustment_get_upper (adjustment);
579 page_size = gtk_adjustment_get_page_size (adjustment);
581 switch (view->pending_scroll) {
582 case SCROLL_TO_KEEP_POSITION:
583 case SCROLL_TO_FIND_LOCATION:
584 factor = value / upper;
586 case SCROLL_TO_PAGE_POSITION:
588 case SCROLL_TO_CENTER:
589 factor = (value + page_size * 0.5) / upper;
593 upper = MAX (alloc_size, req_size);
594 page_size = alloc_size;
596 gtk_adjustment_set_page_size (adjustment, page_size);
597 gtk_adjustment_set_step_increment (adjustment, alloc_size * 0.1);
598 gtk_adjustment_set_page_increment (adjustment, alloc_size * 0.9);
599 gtk_adjustment_set_lower (adjustment, 0);
600 gtk_adjustment_set_upper (adjustment, upper);
603 * We add 0.5 to the values before to average out our rounding errors.
605 switch (view->pending_scroll) {
606 case SCROLL_TO_KEEP_POSITION:
607 case SCROLL_TO_FIND_LOCATION:
608 new_value = CLAMP (upper * factor + 0.5, 0, upper - page_size);
609 gtk_adjustment_set_value (adjustment, (int)new_value);
611 case SCROLL_TO_PAGE_POSITION:
612 ev_view_scroll_to_page_position (view, orientation);
614 case SCROLL_TO_CENTER:
615 new_value = CLAMP (upper * factor - page_size * 0.5 + 0.5,
616 0, upper - page_size);
617 gtk_adjustment_set_value (adjustment, (int)new_value);
621 gtk_adjustment_changed (adjustment);
625 view_update_range_and_current_page (EvView *view)
627 gint start = view->start_page;
628 gint end = view->end_page;
630 if (ev_document_get_n_pages (view->document) <= 0 ||
631 !ev_document_check_dimensions (view->document))
634 if (view->continuous) {
635 GdkRectangle current_area, unused, page_area;
637 gboolean found = FALSE;
638 gint area_max = -1, area;
639 gint best_current_page = -1;
642 if (!(view->vadjustment && view->hadjustment))
645 current_area.x = gtk_adjustment_get_value (view->hadjustment);
646 current_area.width = gtk_adjustment_get_page_size (view->hadjustment);
647 current_area.y = gtk_adjustment_get_value (view->vadjustment);
648 current_area.height = gtk_adjustment_get_page_size (view->vadjustment);
650 for (i = 0; i < ev_document_get_n_pages (view->document); i++) {
652 ev_view_get_page_extents (view, i, &page_area, &border);
654 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
655 area = unused.width * unused.height;
659 view->start_page = i;
661 best_current_page = i;
663 if (area > area_max) {
664 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
670 } else if (found && view->current_page <= view->end_page) {
671 if (view->dual_page && j < 1) {
672 /* In dual mode we stop searching
673 * after two consecutive non-visible pages.
682 if (view->pending_scroll == SCROLL_TO_KEEP_POSITION) {
683 best_current_page = MAX (best_current_page, view->start_page);
685 if (view->current_page != best_current_page) {
686 view->current_page = best_current_page;
687 hide_loading_window (view);
688 ev_document_model_set_page (view->model, best_current_page);
691 } else if (view->dual_page) {
692 if (view->current_page % 2 == get_dual_even_left (view)) {
693 view->start_page = view->current_page;
694 if (view->current_page + 1 < ev_document_get_n_pages (view->document))
695 view->end_page = view->start_page + 1;
697 view->end_page = view->start_page;
699 if (view->current_page < 1)
700 view->start_page = view->current_page;
702 view->start_page = view->current_page - 1;
703 view->end_page = view->current_page;
706 view->start_page = view->current_page;
707 view->end_page = view->current_page;
710 if (view->start_page == -1 || view->end_page == -1)
713 if (start != view->start_page || end != view->end_page) {
716 for (i = start; i < view->start_page && start != -1; i++) {
717 hide_annotation_windows (view, i);
720 for (i = end; i > view->end_page && end != -1; i--) {
721 hide_annotation_windows (view, i);
725 ev_page_cache_set_page_range (view->page_cache,
728 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
731 view->selection_info.selections);
733 if (ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page))
734 gtk_widget_queue_draw (GTK_WIDGET (view));
738 set_scroll_adjustment (EvView *view,
739 GtkOrientation orientation,
740 GtkAdjustment *adjustment)
742 GtkAdjustment **to_set;
744 if (orientation == GTK_ORIENTATION_HORIZONTAL)
745 to_set = &view->hadjustment;
747 to_set = &view->vadjustment;
749 if (*to_set != adjustment) {
751 g_signal_handlers_disconnect_by_func (*to_set,
752 (gpointer) on_adjustment_value_changed,
754 g_object_unref (*to_set);
757 *to_set = adjustment;
758 view_set_adjustment_values (view, orientation);
761 g_object_ref (*to_set);
762 g_signal_connect (*to_set, "value_changed",
763 G_CALLBACK (on_adjustment_value_changed), view);
769 ev_view_set_scroll_adjustments (GtkLayout *layout,
770 GtkAdjustment *hadjustment,
771 GtkAdjustment *vadjustment)
773 EvView *view = EV_VIEW (layout);
775 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
776 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
778 on_adjustment_value_changed (NULL, view);
782 add_scroll_binding_keypad (GtkBindingSet *binding_set,
784 GdkModifierType modifiers,
785 GtkScrollType scroll,
788 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
790 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
791 "binding_activated", 2,
792 GTK_TYPE_SCROLL_TYPE, scroll,
793 G_TYPE_BOOLEAN, horizontal);
794 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
795 "binding_activated", 2,
796 GTK_TYPE_SCROLL_TYPE, scroll,
797 G_TYPE_BOOLEAN, horizontal);
801 compute_scroll_increment (EvView *view,
802 GtkScrollType scroll)
804 GtkWidget *widget = GTK_WIDGET (view);
805 GtkAdjustment *adjustment = view->vadjustment;
806 cairo_region_t *text_region, *region;
807 GtkAllocation allocation;
810 EvRectangle doc_rect;
811 GdkRectangle page_area;
813 gdouble fraction = 1.0;
815 if (scroll != GTK_SCROLL_PAGE_BACKWARD && scroll != GTK_SCROLL_PAGE_FORWARD)
816 return gtk_adjustment_get_page_size (adjustment);
818 page = scroll == GTK_SCROLL_PAGE_BACKWARD ? view->start_page : view->end_page;
820 text_region = ev_page_cache_get_text_mapping (view->page_cache, page);
821 if (!text_region || cairo_region_is_empty (text_region))
822 return gtk_adjustment_get_page_size (adjustment);
824 gtk_widget_get_allocation (widget, &allocation);
825 ev_view_get_page_extents (view, page, &page_area, &border);
826 rect.x = page_area.x + view->scroll_x;
827 rect.y = view->scroll_y + (scroll == GTK_SCROLL_PAGE_BACKWARD ? 5 : allocation.height - 5);
828 rect.width = page_area.width;
830 view_rect_to_doc_rect (view, &rect, &page_area, &doc_rect);
832 /* Convert the doc rectangle into a GdkRectangle */
833 rect.x = doc_rect.x1;
834 rect.y = doc_rect.y1;
835 rect.width = doc_rect.x2 - doc_rect.x1;
836 rect.height = MAX (1, doc_rect.y2 - doc_rect.y1);
837 region = cairo_region_create_rectangle (&rect);
839 cairo_region_intersect (region, text_region);
840 if (cairo_region_num_rectangles (region)) {
843 cairo_region_t *sel_region;
845 cairo_region_get_rectangle (region, 0, &rect);
846 ev_page = ev_document_get_page (view->document, page);
847 rc = ev_render_context_new (ev_page, view->rotation, view->scale);
848 g_object_unref (ev_page);
849 /* Get the selection region to know the height of the line */
850 doc_rect.x1 = doc_rect.x2 = rect.x + 0.5;
851 doc_rect.y1 = doc_rect.y2 = rect.y + 0.5;
853 ev_document_doc_mutex_lock ();
854 sel_region = ev_selection_get_selection_region (EV_SELECTION (view->document),
855 rc, EV_SELECTION_STYLE_LINE,
857 ev_document_doc_mutex_unlock ();
861 if (cairo_region_num_rectangles (sel_region) > 0) {
862 cairo_region_get_rectangle (sel_region, 0, &rect);
863 fraction = 1 - (rect.height / gtk_adjustment_get_page_size (adjustment));
865 cairo_region_destroy (sel_region);
867 cairo_region_destroy (region);
869 return gtk_adjustment_get_page_size (adjustment) * fraction;
874 ev_view_scroll (EvView *view,
875 GtkScrollType scroll,
878 GtkAdjustment *adjustment;
879 double value, increment;
880 gdouble upper, lower;
882 gdouble step_increment;
883 gboolean first_page = FALSE;
884 gboolean last_page = FALSE;
886 view->jump_to_find_result = FALSE;
888 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
890 case GTK_SCROLL_PAGE_BACKWARD:
891 case GTK_SCROLL_STEP_BACKWARD:
892 ev_view_previous_page (view);
894 case GTK_SCROLL_PAGE_FORWARD:
895 case GTK_SCROLL_STEP_FORWARD:
896 ev_view_next_page (view);
904 /* Assign values for increment and vertical adjustment */
905 adjustment = horizontal ? view->hadjustment : view->vadjustment;
906 value = gtk_adjustment_get_value (adjustment);
907 upper = gtk_adjustment_get_upper (adjustment);
908 lower = gtk_adjustment_get_lower (adjustment);
909 page_size = gtk_adjustment_get_page_size (adjustment);
910 step_increment = gtk_adjustment_get_step_increment (adjustment);
912 /* Assign boolean for first and last page */
913 if (view->current_page == 0)
915 if (view->current_page == ev_document_get_n_pages (view->document) - 1)
919 case GTK_SCROLL_PAGE_BACKWARD:
920 /* Do not jump backwards if at the first page */
921 if (value == lower && first_page) {
923 /* At the top of a page, assign the upper bound limit of previous page */
924 } else if (value == lower) {
925 value = upper - page_size;
926 ev_view_previous_page (view);
927 /* Jump to the top */
929 increment = compute_scroll_increment (view, GTK_SCROLL_PAGE_BACKWARD);
930 value = MAX (value - increment, lower);
933 case GTK_SCROLL_PAGE_FORWARD:
934 /* Do not jump forward if at the last page */
935 if (value == (upper - page_size) && last_page) {
937 /* At the bottom of a page, assign the lower bound limit of next page */
938 } else if (value == (upper - page_size)) {
940 ev_view_next_page (view);
941 /* Jump to the bottom */
943 increment = compute_scroll_increment (view, GTK_SCROLL_PAGE_FORWARD);
944 value = MIN (value + increment, upper - page_size);
947 case GTK_SCROLL_STEP_BACKWARD:
948 value -= step_increment;
950 case GTK_SCROLL_STEP_FORWARD:
951 value += step_increment;
953 case GTK_SCROLL_STEP_DOWN:
954 value -= step_increment / 10;
956 case GTK_SCROLL_STEP_UP:
957 value += step_increment / 10;
963 value = CLAMP (value, lower, upper - page_size);
965 gtk_adjustment_set_value (adjustment, value);
971 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
973 GtkWidget *widget = GTK_WIDGET (view);
974 GtkAdjustment *adjustment;
975 GtkAllocation allocation;
979 view->pending_scroll = SCROLL_TO_FIND_LOCATION;
981 gtk_widget_get_allocation (widget, &allocation);
983 adjustment = view->vadjustment;
984 adj_value = gtk_adjustment_get_value (adjustment);
986 if (rect->y < adj_value) {
987 value = MAX (gtk_adjustment_get_lower (adjustment), rect->y - MARGIN);
988 gtk_adjustment_set_value (view->vadjustment, value);
989 } else if (rect->y + rect->height > adj_value + allocation.height) {
990 value = MIN (gtk_adjustment_get_upper (adjustment), rect->y + rect->height -
991 allocation.height + MARGIN);
992 gtk_adjustment_set_value (view->vadjustment, value);
995 adjustment = view->hadjustment;
996 adj_value = gtk_adjustment_get_value (adjustment);
998 if (rect->x < adj_value) {
999 value = MAX (gtk_adjustment_get_lower (adjustment), rect->x - MARGIN);
1000 gtk_adjustment_set_value (view->hadjustment, value);
1001 } else if (rect->x + rect->height > adj_value + allocation.width) {
1002 value = MIN (gtk_adjustment_get_upper (adjustment), rect->x + rect->width -
1003 allocation.width + MARGIN);
1004 gtk_adjustment_set_value (view->hadjustment, value);
1007 gtk_widget_queue_resize (GTK_WIDGET (view));
1010 /*** Geometry computations ***/
1013 compute_border (EvView *view, int width, int height, GtkBorder *border)
1015 ev_document_misc_get_page_border_size (width, height, border);
1019 _get_page_size_for_scale_and_rotation (EvDocument *document,
1029 ev_document_get_page_size (document, page, &w, &h);
1031 width = (gint)(w * scale + 0.5);
1032 height = (gint)(h * scale + 0.5);
1035 *page_width = (rotation == 0 || rotation == 180) ? width : height;
1037 *page_height = (rotation == 0 || rotation == 180) ? height : width;
1041 ev_view_get_page_size (EvView *view,
1046 _get_page_size_for_scale_and_rotation (view->document,
1055 ev_view_get_max_page_size (EvView *view,
1062 ev_document_get_max_page_size (view->document, &w, &h);
1064 width = (gint)(w * view->scale + 0.5);
1065 height = (gint)(h * view->scale + 0.5);
1068 *max_width = (view->rotation == 0 || view->rotation == 180) ? width : height;
1070 *max_height = (view->rotation == 0 || view->rotation == 180) ? height : width;
1074 get_page_y_offset (EvView *view, int page, int *y_offset)
1076 int max_width, offset;
1079 g_return_if_fail (y_offset != NULL);
1081 ev_view_get_max_page_size (view, &max_width, NULL);
1082 compute_border (view, max_width, max_width, &border);
1084 if (view->dual_page) {
1085 ev_view_get_height_to_page (view, page, NULL, &offset);
1086 offset += ((page + get_dual_even_left (view)) / 2 + 1) * view->spacing +
1087 ((page + get_dual_even_left (view)) / 2 ) * (border.top + border.bottom);
1089 ev_view_get_height_to_page (view, page, &offset, NULL);
1090 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
1098 ev_view_get_page_extents (EvView *view,
1100 GdkRectangle *page_area,
1105 GtkAllocation allocation;
1107 widget = GTK_WIDGET (view);
1108 gtk_widget_get_allocation (widget, &allocation);
1110 /* Get the size of the page */
1111 ev_view_get_page_size (view, page, &width, &height);
1112 compute_border (view, width, height, border);
1113 page_area->width = width + border->left + border->right;
1114 page_area->height = height + border->top + border->bottom;
1116 if (view->continuous) {
1120 ev_view_get_max_page_size (view, &max_width, NULL);
1121 max_width = max_width + border->left + border->right;
1122 /* Get the location of the bounding box */
1123 if (view->dual_page) {
1124 x = view->spacing + ((page % 2 == get_dual_even_left (view)) ? 0 : 1) * (max_width + view->spacing);
1125 x = x + MAX (0, allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
1126 if (page % 2 == get_dual_even_left (view))
1127 x = x + (max_width - width - border->left - border->right);
1130 x = x + MAX (0, allocation.width - (width + view->spacing * 2)) / 2;
1133 get_page_y_offset (view, page, &y);
1139 if (view->dual_page) {
1140 gint width_2, height_2;
1141 gint max_width = width;
1142 gint max_height = height;
1143 GtkBorder overall_border;
1146 other_page = (page % 2 == get_dual_even_left (view)) ? page + 1: page - 1;
1148 /* First, we get the bounding box of the two pages */
1149 if (other_page < ev_document_get_n_pages (view->document)
1150 && (0 <= other_page)) {
1151 ev_view_get_page_size (view, other_page,
1152 &width_2, &height_2);
1153 if (width_2 > width)
1154 max_width = width_2;
1155 if (height_2 > height)
1156 max_height = height_2;
1158 compute_border (view, max_width, max_height, &overall_border);
1160 /* Find the offsets */
1164 /* Adjust for being the left or right page */
1165 if (page % 2 == get_dual_even_left (view))
1166 x = x + max_width - width;
1168 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
1170 y = y + (max_height - height)/2;
1172 /* Adjust for extra allocation */
1173 x = x + MAX (0, allocation.width -
1174 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
1175 y = y + MAX (0, allocation.height - (height + view->spacing * 2))/2;
1180 /* Adjust for extra allocation */
1181 x = x + MAX (0, allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
1182 y = y + MAX (0, allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
1193 get_doc_page_size (EvView *view,
1200 ev_document_get_page_size (view->document, page, &w, &h);
1201 if (view->rotation == 0 || view->rotation == 180) {
1202 if (width) *width = w;
1203 if (height) *height = h;
1205 if (width) *width = h;
1206 if (height) *height = w;
1211 view_point_to_doc_point (EvView *view,
1212 GdkPoint *view_point,
1213 GdkRectangle *page_area,
1214 double *doc_point_x,
1215 double *doc_point_y)
1217 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
1218 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
1222 view_rect_to_doc_rect (EvView *view,
1223 GdkRectangle *view_rect,
1224 GdkRectangle *page_area,
1225 EvRectangle *doc_rect)
1227 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
1228 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
1229 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
1230 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
1234 doc_point_to_view_point (EvView *view,
1237 GdkPoint *view_point)
1239 GdkRectangle page_area;
1241 double x, y, view_x, view_y;
1242 gdouble width, height;
1244 get_doc_page_size (view, page, &width, &height);
1246 if (view->rotation == 0) {
1249 } else if (view->rotation == 90) {
1250 x = width - doc_point->y;
1252 } else if (view->rotation == 180) {
1253 x = width - doc_point->x;
1254 y = height - doc_point->y;
1255 } else if (view->rotation == 270) {
1257 y = height - doc_point->x;
1259 g_assert_not_reached ();
1262 ev_view_get_page_extents (view, page, &page_area, &border);
1264 view_x = CLAMP (x * view->scale, 0, page_area.width);
1265 view_y = CLAMP (y * view->scale, 0, page_area.height);
1266 view_point->x = view_x + page_area.x;
1267 view_point->y = view_y + page_area.y;
1271 doc_rect_to_view_rect (EvView *view,
1273 EvRectangle *doc_rect,
1274 GdkRectangle *view_rect)
1276 GdkRectangle page_area;
1279 gdouble width, height;
1281 get_doc_page_size (view, page, &width, &height);
1283 if (view->rotation == 0) {
1286 w = doc_rect->x2 - doc_rect->x1;
1287 h = doc_rect->y2 - doc_rect->y1;
1288 } else if (view->rotation == 90) {
1289 x = width - doc_rect->y2;
1291 w = doc_rect->y2 - doc_rect->y1;
1292 h = doc_rect->x2 - doc_rect->x1;
1293 } else if (view->rotation == 180) {
1294 x = width - doc_rect->x2;
1295 y = height - doc_rect->y2;
1296 w = doc_rect->x2 - doc_rect->x1;
1297 h = doc_rect->y2 - doc_rect->y1;
1298 } else if (view->rotation == 270) {
1300 y = height - doc_rect->x2;
1301 w = doc_rect->y2 - doc_rect->y1;
1302 h = doc_rect->x2 - doc_rect->x1;
1304 g_assert_not_reached ();
1307 ev_view_get_page_extents (view, page, &page_area, &border);
1309 view_rect->x = x * view->scale + page_area.x;
1310 view_rect->y = y * view->scale + page_area.y;
1311 view_rect->width = w * view->scale;
1312 view_rect->height = h * view->scale;
1316 get_dual_even_left (EvView *view)
1318 return (ev_document_get_n_pages (view->document) > 2);
1322 find_page_at_location (EvView *view,
1331 if (view->document == NULL)
1335 g_assert (x_offset);
1336 g_assert (y_offset);
1338 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
1339 GdkRectangle page_area;
1342 if (! ev_view_get_page_extents (view, i, &page_area, &border))
1345 if ((x >= page_area.x + border.left) &&
1346 (x < page_area.x + page_area.width - border.right) &&
1347 (y >= page_area.y + border.top) &&
1348 (y < page_area.y + page_area.height - border.bottom)) {
1350 *x_offset = x - (page_area.x + border.left);
1351 *y_offset = y - (page_area.y + border.top);
1360 location_in_text (EvView *view,
1364 cairo_region_t *region;
1366 gint x_offset = 0, y_offset = 0;
1368 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1373 region = ev_page_cache_get_text_mapping (view->page_cache, page);
1376 return cairo_region_contains_point (region, x_offset / view->scale, y_offset / view->scale);
1382 location_in_selected_text (EvView *view,
1387 gint x_offset = 0, y_offset = 0;
1388 EvViewSelection *selection;
1391 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1392 selection = (EvViewSelection *)l->data;
1394 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1396 if (page != selection->page)
1399 if (selection->covered_region &&
1400 cairo_region_contains_point (selection->covered_region, x_offset, y_offset))
1408 get_doc_point_from_offset (EvView *view,
1415 gdouble width, height;
1418 get_doc_page_size (view, page, &width, &height);
1420 x_offset = x_offset / view->scale;
1421 y_offset = y_offset / view->scale;
1423 if (view->rotation == 0) {
1426 } else if (view->rotation == 90) {
1428 y = width - x_offset;
1429 } else if (view->rotation == 180) {
1430 x = width - x_offset;
1431 y = height - y_offset;
1432 } else if (view->rotation == 270) {
1433 x = height - y_offset;
1436 g_assert_not_reached ();
1446 get_doc_point_from_location (EvView *view,
1453 gint x_offset = 0, y_offset = 0;
1455 x += view->scroll_x;
1456 y += view->scroll_y;
1457 find_page_at_location (view, x, y, page, &x_offset, &y_offset);
1461 return get_doc_point_from_offset (view, *page, x_offset, y_offset, x_new, y_new);
1465 ev_view_get_area_from_mapping (EvView *view,
1467 GList *mapping_list,
1473 mapping = ev_mapping_list_find (mapping_list, data);
1474 doc_rect_to_view_rect (view, page, &mapping->area, area);
1475 area->x -= view->scroll_x;
1476 area->y -= view->scroll_y;
1482 ev_view_get_link_at_location (EvView *view,
1487 gint x_new = 0, y_new = 0;
1488 GList *link_mapping;
1490 if (!EV_IS_DOCUMENT_LINKS (view->document))
1493 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1496 link_mapping = ev_page_cache_get_link_mapping (view->page_cache, page);
1499 return ev_mapping_list_get_data (link_mapping, x_new, y_new);
1505 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1508 gdouble zoom, left, top;
1509 gboolean change_left, change_top;
1510 GtkAllocation allocation;
1512 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1514 left = ev_link_dest_get_left (dest, &change_left);
1515 top = ev_link_dest_get_top (dest, &change_top);
1517 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - left,
1518 ev_link_dest_get_bottom (dest) - top,
1522 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1523 ev_document_model_set_scale (view->model, zoom);
1525 doc_point.x = change_left ? left : 0;
1526 doc_point.y = change_top ? top : 0;
1527 view->pending_point = doc_point;
1529 ev_view_change_page (view, ev_link_dest_get_page (dest));
1533 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1536 gdouble doc_width, doc_height;
1539 gboolean change_left;
1540 GtkAllocation allocation;
1542 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1544 page = ev_link_dest_get_page (dest);
1545 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1547 left = ev_link_dest_get_left (dest, &change_left);
1548 doc_point.x = change_left ? left : 0;
1551 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1555 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1556 ev_document_model_set_scale (view->model, zoom);
1558 view->pending_point = doc_point;
1560 ev_view_change_page (view, page);
1564 goto_fith_dest (EvView *view, EvLinkDest *dest)
1567 gdouble doc_width, doc_height;
1570 gboolean change_top;
1571 GtkAllocation allocation;
1573 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1575 page = ev_link_dest_get_page (dest);
1576 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1578 top = ev_link_dest_get_top (dest, &change_top);
1581 doc_point.y = change_top ? top : 0;
1583 zoom = zoom_for_size_fit_width (doc_width, top,
1587 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FIT_WIDTH);
1588 ev_document_model_set_scale (view->model, zoom);
1590 view->pending_point = doc_point;
1592 ev_view_change_page (view, page);
1596 goto_fit_dest (EvView *view, EvLinkDest *dest)
1599 gdouble doc_width, doc_height;
1601 GtkAllocation allocation;
1603 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1605 page = ev_link_dest_get_page (dest);
1606 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1608 zoom = zoom_for_size_best_fit (doc_width, doc_height,
1612 ev_document_model_set_sizing_mode (view->model, EV_SIZING_BEST_FIT);
1613 ev_document_model_set_scale (view->model, zoom);
1615 ev_view_change_page (view, page);
1619 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1623 gdouble zoom, left, top;
1624 gboolean change_zoom, change_left, change_top;
1626 zoom = ev_link_dest_get_zoom (dest, &change_zoom);
1627 page = ev_link_dest_get_page (dest);
1629 if (change_zoom && zoom > 1) {
1630 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1631 ev_document_model_set_scale (view->model, zoom);
1634 left = ev_link_dest_get_left (dest, &change_left);
1635 top = ev_link_dest_get_top (dest, &change_top);
1637 doc_point.x = change_left ? left : 0;
1638 doc_point.y = change_top ? top : 0;
1639 view->pending_point = doc_point;
1641 ev_view_change_page (view, page);
1645 goto_dest (EvView *view, EvLinkDest *dest)
1647 EvLinkDestType type;
1648 int page, n_pages, current_page;
1650 page = ev_link_dest_get_page (dest);
1651 n_pages = ev_document_get_n_pages (view->document);
1653 if (page < 0 || page >= n_pages)
1656 current_page = view->current_page;
1658 type = ev_link_dest_get_dest_type (dest);
1661 case EV_LINK_DEST_TYPE_PAGE:
1662 ev_document_model_set_page (view->model, page);
1664 case EV_LINK_DEST_TYPE_FIT:
1665 goto_fit_dest (view, dest);
1667 case EV_LINK_DEST_TYPE_FITH:
1668 goto_fith_dest (view, dest);
1670 case EV_LINK_DEST_TYPE_FITV:
1671 goto_fitv_dest (view, dest);
1673 case EV_LINK_DEST_TYPE_FITR:
1674 goto_fitr_dest (view, dest);
1676 case EV_LINK_DEST_TYPE_XYZ:
1677 goto_xyz_dest (view, dest);
1679 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1680 ev_document_model_set_page_by_label (view->model, ev_link_dest_get_page_label (dest));
1683 g_assert_not_reached ();
1686 if (current_page != view->current_page)
1687 ev_document_model_set_page (view->model, view->current_page);
1691 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1693 EvLinkDestType type;
1695 type = ev_link_dest_get_dest_type (dest);
1697 if (type == EV_LINK_DEST_TYPE_NAMED) {
1699 const gchar *named_dest;
1701 named_dest = ev_link_dest_get_named_dest (dest);
1702 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1705 goto_dest (view, dest2);
1706 g_object_unref (dest2);
1712 goto_dest (view, dest);
1716 ev_view_handle_link (EvView *view, EvLink *link)
1718 EvLinkAction *action = NULL;
1719 EvLinkActionType type;
1721 action = ev_link_get_action (link);
1725 type = ev_link_action_get_action_type (action);
1728 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1731 g_signal_emit (view, signals[SIGNAL_HANDLE_LINK], 0, link);
1733 dest = ev_link_action_get_dest (action);
1734 ev_view_goto_dest (view, dest);
1737 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1738 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1739 case EV_LINK_ACTION_TYPE_LAUNCH:
1740 case EV_LINK_ACTION_TYPE_NAMED:
1741 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1747 tip_from_action_named (EvLinkAction *action)
1749 const gchar *name = ev_link_action_get_name (action);
1751 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1752 return g_strdup (_("Go to first page"));
1753 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1754 return g_strdup (_("Go to previous page"));
1755 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1756 return g_strdup (_("Go to next page"));
1757 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1758 return g_strdup (_("Go to last page"));
1759 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1760 return g_strdup (_("Go to page"));
1761 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1762 return g_strdup (_("Find"));
1769 tip_from_link (EvView *view, EvLink *link)
1771 EvLinkAction *action;
1772 EvLinkActionType type;
1777 action = ev_link_get_action (link);
1778 title = ev_link_get_title (link);
1781 return title ? g_strdup (title) : NULL;
1783 type = ev_link_action_get_action_type (action);
1786 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1787 page_label = ev_document_links_get_dest_page_label (EV_DOCUMENT_LINKS (view->document),
1788 ev_link_action_get_dest (action));
1790 msg = g_strdup_printf (_("Go to page %s"), page_label);
1791 g_free (page_label);
1794 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1796 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1797 ev_link_action_get_filename (action));
1799 msg = g_strdup_printf (_("Go to file “%s”"),
1800 ev_link_action_get_filename (action));
1803 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1804 msg = g_strdup (ev_link_action_get_uri (action));
1806 case EV_LINK_ACTION_TYPE_LAUNCH:
1807 msg = g_strdup_printf (_("Launch %s"),
1808 ev_link_action_get_filename (action));
1810 case EV_LINK_ACTION_TYPE_NAMED:
1811 msg = tip_from_action_named (action);
1815 msg = g_strdup (title);
1823 ev_view_handle_cursor_over_xy (EvView *view, gint x, gint y)
1827 EvAnnotation *annot = NULL;
1829 if (view->cursor == EV_VIEW_CURSOR_HIDDEN)
1832 if (view->drag_info.in_drag) {
1833 if (view->cursor != EV_VIEW_CURSOR_DRAG)
1834 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1838 if (view->scroll_info.autoscrolling) {
1839 if (view->cursor != EV_VIEW_CURSOR_AUTOSCROLL)
1840 ev_view_set_cursor (view, EV_VIEW_CURSOR_AUTOSCROLL);
1844 link = ev_view_get_link_at_location (view, x, y);
1846 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1847 } else if ((field = ev_view_get_form_field_at_location (view, x, y))) {
1848 if (field->is_read_only) {
1849 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1850 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1851 view->cursor == EV_VIEW_CURSOR_DRAG)
1852 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1853 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
1854 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1856 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1858 } else if ((annot = ev_view_get_annotation_at_location (view, x, y))) {
1859 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1860 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1861 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1863 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1864 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1865 view->cursor == EV_VIEW_CURSOR_DRAG ||
1866 view->cursor == EV_VIEW_CURSOR_AUTOSCROLL)
1867 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1871 g_object_set (view, "has-tooltip", TRUE, NULL);
1876 ev_view_get_image_at_location (EvView *view,
1881 gint x_new = 0, y_new = 0;
1882 GList *image_mapping;
1884 if (!EV_IS_DOCUMENT_IMAGES (view->document))
1887 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1890 image_mapping = ev_page_cache_get_image_mapping (view->page_cache, page);
1893 return ev_mapping_list_get_data (image_mapping, x_new, y_new);
1899 static EvFormField *
1900 ev_view_get_form_field_at_location (EvView *view,
1905 gint x_new = 0, y_new = 0;
1906 GList *forms_mapping;
1908 if (!EV_IS_DOCUMENT_FORMS (view->document))
1911 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1914 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache, page);
1917 return ev_mapping_list_get_data (forms_mapping, x_new, y_new);
1922 static cairo_region_t *
1923 ev_view_form_field_get_region (EvView *view,
1926 GdkRectangle view_area;
1927 GList *forms_mapping;
1929 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
1930 field->page->index);
1931 ev_view_get_area_from_mapping (view, field->page->index,
1935 return cairo_region_create_rectangle (&view_area);
1939 ev_view_forms_remove_widgets (EvView *view)
1941 ev_view_remove_all (view);
1947 ev_view_form_field_destroy (GtkWidget *widget,
1950 g_idle_add ((GSourceFunc)ev_view_forms_remove_widgets, view);
1954 ev_view_form_field_button_create_widget (EvView *view,
1957 EvFormFieldButton *field_button = EV_FORM_FIELD_BUTTON (field);
1958 cairo_region_t *field_region = NULL;
1960 switch (field_button->type) {
1961 case EV_FORM_FIELD_BUTTON_PUSH:
1963 case EV_FORM_FIELD_BUTTON_CHECK:
1964 case EV_FORM_FIELD_BUTTON_RADIO: {
1966 GList *forms_mapping, *l;
1968 state = ev_document_forms_form_field_button_get_state (EV_DOCUMENT_FORMS (view->document),
1971 /* FIXME: it actually depends on NoToggleToOff flags */
1972 if (field_button->type == EV_FORM_FIELD_BUTTON_RADIO &&
1973 state && field_button->state)
1976 field_region = ev_view_form_field_get_region (view, field);
1978 /* For radio buttons and checkbox buttons that are in a set
1979 * we need to update also the region for the current selected item
1981 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
1982 field->page->index);
1983 for (l = forms_mapping; l; l = g_list_next (l)) {
1984 EvFormField *button = ((EvMapping *)(l->data))->data;
1985 cairo_region_t *button_region;
1987 if (button->id == field->id)
1990 /* FIXME: only buttons in the same group should be updated */
1991 if (!EV_IS_FORM_FIELD_BUTTON (button) ||
1992 EV_FORM_FIELD_BUTTON (button)->type != field_button->type ||
1993 EV_FORM_FIELD_BUTTON (button)->state != TRUE)
1996 button_region = ev_view_form_field_get_region (view, button);
1997 cairo_region_union (field_region, button_region);
1998 cairo_region_destroy (button_region);
2001 ev_document_forms_form_field_button_set_state (EV_DOCUMENT_FORMS (view->document),
2003 field_button->state = !state;
2008 ev_view_reload_page (view, field->page->index, field_region);
2009 cairo_region_destroy (field_region);
2015 ev_view_form_field_text_save (EvView *view,
2020 if (!view->document)
2023 field = g_object_get_data (G_OBJECT (widget), "form-field");
2025 if (field->changed) {
2026 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2027 cairo_region_t *field_region;
2029 field_region = ev_view_form_field_get_region (view, field);
2031 ev_document_forms_form_field_text_set_text (EV_DOCUMENT_FORMS (view->document),
2032 field, field_text->text);
2033 field->changed = FALSE;
2034 ev_view_reload_page (view, field->page->index, field_region);
2035 cairo_region_destroy (field_region);
2040 ev_view_form_field_text_changed (GtkWidget *widget,
2043 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2046 if (GTK_IS_ENTRY (widget)) {
2047 text = g_strdup (gtk_entry_get_text (GTK_ENTRY (widget)));
2048 } else if (GTK_IS_TEXT_BUFFER (widget)) {
2049 GtkTextIter start, end;
2051 gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (widget), &start, &end);
2052 text = gtk_text_buffer_get_text (GTK_TEXT_BUFFER (widget),
2053 &start, &end, FALSE);
2056 if (!field_text->text ||
2057 (field_text->text && g_ascii_strcasecmp (field_text->text, text) != 0)) {
2058 g_free (field_text->text);
2059 field_text->text = text;
2060 field->changed = TRUE;
2065 ev_view_form_field_text_create_widget (EvView *view,
2068 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2069 GtkWidget *text = NULL;
2072 txt = ev_document_forms_form_field_text_get_text (EV_DOCUMENT_FORMS (view->document),
2075 switch (field_text->type) {
2076 case EV_FORM_FIELD_TEXT_FILE_SELECT:
2078 case EV_FORM_FIELD_TEXT_NORMAL:
2079 text = gtk_entry_new ();
2080 gtk_entry_set_has_frame (GTK_ENTRY (text), FALSE);
2081 gtk_entry_set_max_length (GTK_ENTRY (text), field_text->max_len);
2082 gtk_entry_set_visibility (GTK_ENTRY (text), !field_text->is_password);
2085 gtk_entry_set_text (GTK_ENTRY (text), txt);
2089 g_signal_connect (text, "changed",
2090 G_CALLBACK (ev_view_form_field_text_changed),
2092 g_signal_connect_after (text, "activate",
2093 G_CALLBACK (ev_view_form_field_destroy),
2096 case EV_FORM_FIELD_TEXT_MULTILINE: {
2097 GtkTextBuffer *buffer;
2099 text = gtk_text_view_new ();
2100 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text));
2103 gtk_text_buffer_set_text (buffer, txt, -1);
2107 g_signal_connect (buffer, "changed",
2108 G_CALLBACK (ev_view_form_field_text_changed),
2114 g_object_weak_ref (G_OBJECT (text),
2115 (GWeakNotify)ev_view_form_field_text_save,
2122 ev_view_form_field_choice_save (EvView *view,
2127 if (!view->document)
2130 field = g_object_get_data (G_OBJECT (widget), "form-field");
2132 if (field->changed) {
2134 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2135 cairo_region_t *field_region;
2137 field_region = ev_view_form_field_get_region (view, field);
2139 if (field_choice->is_editable) {
2140 ev_document_forms_form_field_choice_set_text (EV_DOCUMENT_FORMS (view->document),
2141 field, field_choice->text);
2143 ev_document_forms_form_field_choice_unselect_all (EV_DOCUMENT_FORMS (view->document), field);
2144 for (l = field_choice->selected_items; l; l = g_list_next (l)) {
2145 ev_document_forms_form_field_choice_select_item (EV_DOCUMENT_FORMS (view->document),
2147 GPOINTER_TO_INT (l->data));
2150 field->changed = FALSE;
2151 ev_view_reload_page (view, field->page->index, field_region);
2152 cairo_region_destroy (field_region);
2157 ev_view_form_field_choice_changed (GtkWidget *widget,
2160 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2162 if (GTK_IS_COMBO_BOX (widget)) {
2165 item = gtk_combo_box_get_active (GTK_COMBO_BOX (widget));
2166 if (!field_choice->selected_items ||
2167 GPOINTER_TO_INT (field_choice->selected_items->data) != item) {
2168 g_list_free (field_choice->selected_items);
2169 field_choice->selected_items = NULL;
2170 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2171 GINT_TO_POINTER (item));
2172 field->changed = TRUE;
2175 if (GTK_IS_COMBO_BOX_ENTRY (widget)) {
2178 text = gtk_combo_box_get_active_text (GTK_COMBO_BOX (widget));
2179 if (!field_choice->text ||
2180 (field_choice->text && g_ascii_strcasecmp (field_choice->text, text) != 0)) {
2181 g_free (field_choice->text);
2182 field_choice->text = text;
2183 field->changed = TRUE;
2186 } else if (GTK_IS_TREE_SELECTION (widget)) {
2187 GtkTreeSelection *selection = GTK_TREE_SELECTION (widget);
2188 GtkTreeModel *model;
2191 items = gtk_tree_selection_get_selected_rows (selection, &model);
2192 g_list_free (field_choice->selected_items);
2193 field_choice->selected_items = NULL;
2195 for (l = items; l && l->data; l = g_list_next (l)) {
2197 GtkTreePath *path = (GtkTreePath *)l->data;
2200 gtk_tree_model_get_iter (model, &iter, path);
2201 gtk_tree_model_get (model, &iter, 1, &item, -1);
2203 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2204 GINT_TO_POINTER (item));
2206 gtk_tree_path_free (path);
2209 g_list_free (items);
2211 field->changed = TRUE;
2216 ev_view_form_field_choice_create_widget (EvView *view,
2219 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2221 GtkTreeModel *model;
2223 gint selected_item = 0;
2225 n_items = ev_document_forms_form_field_choice_get_n_items (EV_DOCUMENT_FORMS (view->document),
2227 model = GTK_TREE_MODEL (gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT));
2228 for (i = 0; i < n_items; i++) {
2232 item = ev_document_forms_form_field_choice_get_item (EV_DOCUMENT_FORMS (view->document),
2234 if (ev_document_forms_form_field_choice_is_item_selected (
2235 EV_DOCUMENT_FORMS (view->document), field, i)) {
2237 /* FIXME: we need a get_selected_items function in poppler */
2238 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2239 GINT_TO_POINTER (i));
2243 gtk_list_store_append (GTK_LIST_STORE (model), &iter);
2244 gtk_list_store_set (GTK_LIST_STORE (model), &iter,
2252 if (field_choice->type == EV_FORM_FIELD_CHOICE_LIST) {
2253 GtkCellRenderer *renderer;
2254 GtkWidget *tree_view;
2255 GtkTreeSelection *selection;
2257 tree_view = gtk_tree_view_new_with_model (model);
2258 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);
2260 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
2261 if (field_choice->multi_select) {
2262 gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
2265 /* TODO: set selected items */
2267 renderer = gtk_cell_renderer_text_new ();
2268 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
2274 choice = gtk_scrolled_window_new (NULL, NULL);
2275 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (choice),
2276 GTK_POLICY_AUTOMATIC,
2277 GTK_POLICY_AUTOMATIC);
2278 gtk_container_add (GTK_CONTAINER (choice), tree_view);
2279 gtk_widget_show (tree_view);
2281 g_signal_connect (selection, "changed",
2282 G_CALLBACK (ev_view_form_field_choice_changed),
2284 g_signal_connect_after (selection, "changed",
2285 G_CALLBACK (ev_view_form_field_destroy),
2287 } else if (field_choice->is_editable) { /* ComboBoxEntry */
2290 choice = gtk_combo_box_entry_new_with_model (model, 0);
2291 text = ev_document_forms_form_field_choice_get_text (EV_DOCUMENT_FORMS (view->document), field);
2293 gtk_entry_set_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (choice))), text);
2297 g_signal_connect (choice, "changed",
2298 G_CALLBACK (ev_view_form_field_choice_changed),
2300 g_signal_connect_after (gtk_bin_get_child (GTK_BIN (choice)),
2302 G_CALLBACK (ev_view_form_field_destroy),
2304 } else { /* ComboBoxText */
2305 GtkCellRenderer *renderer;
2307 choice = gtk_combo_box_new_with_model (model);
2308 renderer = gtk_cell_renderer_text_new ();
2309 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (choice),
2311 gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (choice),
2315 gtk_combo_box_set_active (GTK_COMBO_BOX (choice), selected_item);
2316 gtk_combo_box_popup (GTK_COMBO_BOX (choice));
2318 g_signal_connect (choice, "changed",
2319 G_CALLBACK (ev_view_form_field_choice_changed),
2321 g_signal_connect_after (choice, "changed",
2322 G_CALLBACK (ev_view_form_field_destroy),
2326 g_object_unref (model);
2328 g_object_weak_ref (G_OBJECT (choice),
2329 (GWeakNotify)ev_view_form_field_choice_save,
2336 ev_view_handle_form_field (EvView *view,
2341 GtkWidget *field_widget = NULL;
2342 GList *form_field_mapping;
2343 GdkRectangle view_area;
2345 if (field->is_read_only)
2348 if (EV_IS_FORM_FIELD_BUTTON (field)) {
2349 field_widget = ev_view_form_field_button_create_widget (view, field);
2350 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
2351 field_widget = ev_view_form_field_text_create_widget (view, field);
2352 } else if (EV_IS_FORM_FIELD_CHOICE (field)) {
2353 field_widget = ev_view_form_field_choice_create_widget (view, field);
2354 } else if (EV_IS_FORM_FIELD_SIGNATURE (field)) {
2358 /* Form field doesn't require a widget */
2362 g_object_set_data_full (G_OBJECT (field_widget), "form-field",
2363 g_object_ref (field),
2364 (GDestroyNotify)g_object_unref);
2366 form_field_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
2367 field->page->index);
2368 ev_view_get_area_from_mapping (view, field->page->index,
2372 gtk_layout_put (GTK_LAYOUT (view), field_widget, view_area.x, view_area.y);
2373 gtk_widget_show (field_widget);
2374 gtk_widget_grab_focus (field_widget);
2378 static EvViewWindowChild *
2379 ev_view_get_window_child (EvView *view,
2382 GList *children = view->window_children;
2385 EvViewWindowChild *child;
2387 child = (EvViewWindowChild *)children->data;
2388 children = children->next;
2390 if (child->window == window)
2398 ev_view_window_child_move (EvView *view,
2399 EvViewWindowChild *child,
2403 GtkAllocation allocation;
2406 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
2407 gtk_window_get_size (GTK_WINDOW (child->window), &width, &height);
2411 gtk_window_move (GTK_WINDOW (child->window),
2412 CLAMP (x, child->parent_x,
2413 child->parent_x + allocation.width - width),
2414 CLAMP (y, child->parent_y,
2415 child->parent_y + allocation.height - height));
2419 ev_view_window_child_move_with_parent (EvView *view,
2422 EvViewWindowChild *child;
2423 gint root_x, root_y;
2425 child = ev_view_get_window_child (view, window);
2426 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2428 if (root_x != child->parent_x || root_y != child->parent_y) {
2429 gint dest_x, dest_y;
2431 dest_x = child->x + (root_x - child->parent_x);
2432 dest_y = child->y + (root_y - child->parent_y);
2433 child->parent_x = root_x;
2434 child->parent_y = root_y;
2435 ev_view_window_child_move (view, child, dest_x, dest_y);
2438 if (child->visible && !gtk_widget_get_visible (window))
2439 gtk_widget_show (window);
2443 ev_view_window_child_put (EvView *view,
2451 EvViewWindowChild *child;
2452 gint root_x, root_y;
2454 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2457 child = g_new0 (EvViewWindowChild, 1);
2458 child->window = window;
2460 child->orig_x = orig_x;
2461 child->orig_y = orig_y;
2462 child->parent_x = root_x;
2463 child->parent_y = root_y;
2464 child->visible = ev_annotation_window_is_open (EV_ANNOTATION_WINDOW (window));
2465 ev_view_window_child_move (view, child, x + root_x, y + root_y);
2468 gtk_widget_show (window);
2470 gtk_widget_hide (window);
2472 view->window_children = g_list_append (view->window_children, child);
2475 static EvViewWindowChild *
2476 ev_view_find_window_child_for_annot (EvView *view,
2478 EvAnnotation *annot)
2480 GList *children = view->window_children;
2483 EvViewWindowChild *child;
2484 EvAnnotation *wannot;
2486 child = (EvViewWindowChild *)children->data;
2487 children = children->next;
2489 if (child->page != page)
2492 wannot = ev_annotation_window_get_annotation (EV_ANNOTATION_WINDOW (child->window));
2493 if (wannot == annot || strcmp (wannot->name, annot->name) == 0)
2501 ev_view_window_children_free (EvView *view)
2505 if (!view->window_children)
2508 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
2509 EvViewWindowChild *child;
2511 child = (EvViewWindowChild *)l->data;
2512 gtk_widget_destroy (GTK_WIDGET (child->window));
2515 g_list_free (view->window_children);
2516 view->window_children = NULL;
2517 view->window_child_focus = NULL;
2521 annotation_window_grab_focus (GtkWidget *widget,
2524 if (view->window_child_focus)
2525 ev_annotation_window_ungrab_focus (EV_ANNOTATION_WINDOW (view->window_child_focus->window));
2526 view->window_child_focus = ev_view_get_window_child (view, widget);
2530 annotation_window_closed (EvAnnotationWindow *window,
2533 EvViewWindowChild *child;
2535 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2536 child->visible = FALSE;
2540 annotation_window_moved (EvAnnotationWindow *window,
2545 EvViewWindowChild *child;
2546 GdkRectangle page_area;
2548 GdkRectangle view_rect;
2549 EvRectangle doc_rect;
2552 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2553 if (child->x == x && child->y == y)
2556 child->moved = TRUE;
2560 /* Window has been moved by the user,
2561 * we have to set a new origin in doc coords
2563 gtk_window_get_size (GTK_WINDOW (window), &width, &height);
2564 view_rect.x = (x - child->parent_x) + view->scroll_x;
2565 view_rect.y = (y - child->parent_y) + view->scroll_y;
2566 view_rect.width = width;
2567 view_rect.height = height;
2569 ev_view_get_page_extents (view, child->page, &page_area, &border);
2570 view_rect_to_doc_rect (view, &view_rect, &page_area, &doc_rect);
2571 child->orig_x = doc_rect.x1;
2572 child->orig_y = doc_rect.y1;
2576 ev_view_annotation_save (EvView *view,
2577 EvAnnotation *annot)
2579 if (!view->document)
2582 if (!annot->changed)
2585 ev_document_annotations_annotation_set_contents (EV_DOCUMENT_ANNOTATIONS (view->document),
2586 annot, annot->contents);
2587 annot->changed = FALSE;
2591 show_annotation_windows (EvView *view,
2597 parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
2599 annots = ev_page_cache_get_annot_mapping (view->page_cache, page);
2601 for (l = annots; l && l->data; l = g_list_next (l)) {
2602 EvAnnotation *annot;
2603 EvViewWindowChild *child;
2605 EvRectangle *doc_rect;
2606 GdkRectangle view_rect;
2608 annot = ((EvMapping *)(l->data))->data;
2610 if (!EV_IS_ANNOTATION_MARKUP (annot))
2613 if (!ev_annotation_markup_has_popup (EV_ANNOTATION_MARKUP (annot)))
2616 window = g_object_get_data (G_OBJECT (annot), "popup");
2618 ev_view_window_child_move_with_parent (view, window);
2622 /* Look if we already have a popup for this annot */
2623 child = ev_view_find_window_child_for_annot (view, page, annot);
2624 window = child ? child->window : NULL;
2626 ev_annotation_window_set_annotation (EV_ANNOTATION_WINDOW (window), annot);
2627 g_object_set_data (G_OBJECT (annot), "popup", window);
2628 ev_view_window_child_move_with_parent (view, window);
2630 window = ev_annotation_window_new (annot, parent);
2631 g_signal_connect (window, "grab_focus",
2632 G_CALLBACK (annotation_window_grab_focus),
2634 g_signal_connect (window, "closed",
2635 G_CALLBACK (annotation_window_closed),
2637 g_signal_connect (window, "moved",
2638 G_CALLBACK (annotation_window_moved),
2640 g_object_set_data (G_OBJECT (annot), "popup", window);
2642 doc_rect = (EvRectangle *)ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (window));
2643 doc_rect_to_view_rect (view, page, doc_rect, &view_rect);
2644 view_rect.x -= view->scroll_x;
2645 view_rect.y -= view->scroll_y;
2647 ev_view_window_child_put (view, window, page,
2648 view_rect.x, view_rect.y,
2649 doc_rect->x1, doc_rect->y1);
2651 g_object_weak_ref (G_OBJECT (annot),
2652 (GWeakNotify)ev_view_annotation_save,
2659 hide_annotation_windows (EvView *view,
2664 annots = ev_page_cache_get_annot_mapping (view->page_cache, page);
2666 for (l = annots; l && l->data; l = g_list_next (l)) {
2667 EvAnnotation *annot;
2670 annot = ((EvMapping *)(l->data))->data;
2672 if (!EV_IS_ANNOTATION_MARKUP (annot))
2675 window = g_object_get_data (G_OBJECT (annot), "popup");
2677 gtk_widget_hide (window);
2681 static EvAnnotation *
2682 ev_view_get_annotation_at_location (EvView *view,
2687 gint x_new = 0, y_new = 0;
2688 GList *annotations_mapping;
2690 if (!EV_IS_DOCUMENT_ANNOTATIONS (view->document))
2693 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
2696 annotations_mapping = ev_page_cache_get_annot_mapping (view->page_cache, page);
2698 if (annotations_mapping)
2699 return ev_mapping_list_get_data (annotations_mapping, x_new, y_new);
2705 ev_view_handle_annotation (EvView *view,
2706 EvAnnotation *annot,
2711 if (EV_IS_ANNOTATION_MARKUP (annot)) {
2714 window = g_object_get_data (G_OBJECT (annot), "popup");
2716 EvViewWindowChild *child;
2718 child = ev_view_get_window_child (view, window);
2719 if (!child->visible) {
2720 child->visible = TRUE;
2721 ev_view_window_child_move (view, child, child->x, child->y);
2722 gtk_widget_show (window);
2727 if (EV_IS_ANNOTATION_ATTACHMENT (annot)) {
2728 EvAttachment *attachment = EV_ANNOTATION_ATTACHMENT (annot)->attachment;
2731 GError *error = NULL;
2733 ev_attachment_open (attachment,
2734 gtk_widget_get_screen (GTK_WIDGET (view)),
2739 g_warning ("%s", error->message);
2740 g_error_free (error);
2747 ev_view_synctex_backward_search (EvView *view,
2752 gint x_new = 0, y_new = 0;
2755 if (!ev_document_has_synctex (view->document))
2758 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
2761 link = ev_document_synctex_backward_search (view->document, page, x_new, y_new);
2763 g_signal_emit (view, signals[SIGNAL_SYNC_SOURCE], 0, link);
2772 /*** GtkWidget implementation ***/
2775 ev_view_size_request_continuous_dual_page (EvView *view,
2776 GtkRequisition *requisition)
2780 n_pages = ev_document_get_n_pages (view->document) + 1;
2781 get_page_y_offset (view, n_pages, &requisition->height);
2783 switch (view->sizing_mode) {
2784 case EV_SIZING_FIT_WIDTH:
2785 case EV_SIZING_BEST_FIT:
2786 requisition->width = 1;
2789 case EV_SIZING_FREE: {
2793 ev_view_get_max_page_size (view, &max_width, NULL);
2794 compute_border (view, max_width, max_width, &border);
2795 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
2799 g_assert_not_reached ();
2804 ev_view_size_request_continuous (EvView *view,
2805 GtkRequisition *requisition)
2809 n_pages = ev_document_get_n_pages (view->document);
2810 get_page_y_offset (view, n_pages, &requisition->height);
2812 switch (view->sizing_mode) {
2813 case EV_SIZING_FIT_WIDTH:
2814 case EV_SIZING_BEST_FIT:
2815 requisition->width = 1;
2818 case EV_SIZING_FREE: {
2822 ev_view_get_max_page_size (view, &max_width, NULL);
2823 compute_border (view, max_width, max_width, &border);
2824 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
2828 g_assert_not_reached ();
2833 ev_view_size_request_dual_page (EvView *view,
2834 GtkRequisition *requisition)
2839 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2840 requisition->width = 1;
2841 requisition->height = 1;
2846 /* Find the largest of the two. */
2847 ev_view_get_page_size (view,
2850 if (view->current_page + 1 < ev_document_get_n_pages (view->document)) {
2851 gint width_2, height_2;
2852 ev_view_get_page_size (view,
2853 view->current_page + 1,
2854 &width_2, &height_2);
2855 if (width_2 > width) {
2860 compute_border (view, width, height, &border);
2862 requisition->width = view->sizing_mode == EV_SIZING_FIT_WIDTH ? 1 :
2863 ((width + border.left + border.right) * 2) + (view->spacing * 3);
2864 requisition->height = (height + border.top + border.bottom) + (view->spacing * 2);
2868 ev_view_size_request_single_page (EvView *view,
2869 GtkRequisition *requisition)
2874 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2875 requisition->width = 1;
2876 requisition->height = 1;
2881 ev_view_get_page_size (view, view->current_page, &width, &height);
2882 compute_border (view, width, height, &border);
2884 requisition->width = view->sizing_mode == EV_SIZING_FIT_WIDTH ? 1 :
2885 width + border.left + border.right + (2 * view->spacing);
2886 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2890 ev_view_size_request (GtkWidget *widget,
2891 GtkRequisition *requisition)
2893 EvView *view = EV_VIEW (widget);
2895 if (view->document == NULL) {
2896 view->requisition.width = 1;
2897 view->requisition.height = 1;
2899 *requisition = view->requisition;
2904 /* Get zoom for size here when not called from
2905 * ev_view_size_allocate()
2907 if (!view->internal_size_request &&
2908 (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2909 view->sizing_mode == EV_SIZING_BEST_FIT)) {
2910 GtkAllocation allocation;
2912 gtk_widget_get_allocation (widget, &allocation);
2913 ev_view_zoom_for_size (view,
2918 if (view->continuous && view->dual_page)
2919 ev_view_size_request_continuous_dual_page (view, &view->requisition);
2920 else if (view->continuous)
2921 ev_view_size_request_continuous (view, &view->requisition);
2922 else if (view->dual_page)
2923 ev_view_size_request_dual_page (view, &view->requisition);
2925 ev_view_size_request_single_page (view, &view->requisition);
2927 *requisition = view->requisition;
2931 ev_view_size_allocate (GtkWidget *widget,
2932 GtkAllocation *allocation)
2934 EvView *view = EV_VIEW (widget);
2935 GList *children, *l;
2936 gint root_x, root_y;
2938 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
2940 if (!view->document)
2943 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2944 view->sizing_mode == EV_SIZING_BEST_FIT) {
2947 ev_view_zoom_for_size (view,
2949 allocation->height);
2950 view->internal_size_request = TRUE;
2951 ev_view_size_request (widget, &req);
2952 view->internal_size_request = FALSE;
2955 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
2956 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
2959 view_update_range_and_current_page (view);
2961 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2962 view->pending_resize = FALSE;
2963 view->pending_point.x = 0;
2964 view->pending_point.y = 0;
2966 children = gtk_container_get_children (GTK_CONTAINER (widget));
2967 for (l = children; l && l->data; l = g_list_next (l)) {
2969 GdkRectangle view_area;
2970 GList *form_field_mapping;
2971 GtkAllocation child_allocation;
2972 GtkRequisition child_requisition;
2973 GtkWidget *child = (GtkWidget *)l->data;
2975 field = g_object_get_data (G_OBJECT (child), "form-field");
2979 form_field_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
2980 field->page->index);
2981 ev_view_get_area_from_mapping (view, field->page->index,
2985 gtk_widget_size_request (child, &child_requisition);
2986 if (child_requisition.width != view_area.width ||
2987 child_requisition.height != view_area.height)
2988 gtk_widget_set_size_request (child, view_area.width, view_area.height);
2990 gtk_container_child_get (GTK_CONTAINER (widget),
2992 "x", &child_allocation.x,
2993 "y", &child_allocation.y,
2995 if (child_allocation.x != view_area.x ||
2996 child_allocation.y != view_area.y) {
2997 gtk_layout_move (GTK_LAYOUT (widget), child, view_area.x, view_area.y);
3000 g_list_free (children);
3002 if (view->window_children)
3003 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
3006 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
3007 EvViewWindowChild *child;
3008 EvRectangle doc_rect;
3009 GdkRectangle view_rect;
3011 child = (EvViewWindowChild *)l->data;
3013 doc_rect = *ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (child->window));
3015 doc_rect.x1 = child->orig_x;
3016 doc_rect.y1 = child->orig_y;
3018 doc_rect_to_view_rect (view, child->page, &doc_rect, &view_rect);
3019 view_rect.x -= view->scroll_x;
3020 view_rect.y -= view->scroll_y;
3022 if (view_rect.x != child->orig_x || view_rect.y != child->orig_y) {
3023 child->parent_x = root_x;
3024 child->parent_y = root_y;
3025 ev_view_window_child_move (view, child, view_rect.x + root_x, view_rect.y + root_y);
3031 ev_view_realize (GtkWidget *widget)
3033 EvView *view = EV_VIEW (widget);
3034 GdkWindow *bin_window;
3037 if (GTK_WIDGET_CLASS (ev_view_parent_class)->realize)
3038 (* GTK_WIDGET_CLASS (ev_view_parent_class)->realize) (widget);
3040 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
3041 gdk_window_set_events (bin_window,
3042 (gdk_window_get_events (bin_window) |
3044 GDK_BUTTON_PRESS_MASK |
3045 GDK_BUTTON_RELEASE_MASK |
3047 GDK_KEY_PRESS_MASK |
3048 GDK_POINTER_MOTION_MASK |
3049 GDK_POINTER_MOTION_HINT_MASK |
3050 GDK_ENTER_NOTIFY_MASK |
3051 GDK_LEAVE_NOTIFY_MASK));
3053 style = gtk_widget_get_style (widget);
3054 gdk_window_set_background (bin_window, &style->mid[GTK_STATE_NORMAL]);
3056 on_adjustment_value_changed (NULL, view);
3060 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
3062 EvView *view = EV_VIEW (widget);
3065 state = event->state & gtk_accelerator_get_default_mod_mask ();
3067 if (state == GDK_CONTROL_MASK) {
3068 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
3069 if (event->direction == GDK_SCROLL_UP ||
3070 event->direction == GDK_SCROLL_LEFT) {
3071 if (ev_view_can_zoom_in (view)) {
3072 ev_view_zoom_in (view);
3075 if (ev_view_can_zoom_out (view)) {
3076 ev_view_zoom_out (view);
3083 view->jump_to_find_result = FALSE;
3085 /* Shift+Wheel scrolls the in the perpendicular direction */
3086 if (state & GDK_SHIFT_MASK) {
3087 if (event->direction == GDK_SCROLL_UP)
3088 event->direction = GDK_SCROLL_LEFT;
3089 else if (event->direction == GDK_SCROLL_LEFT)
3090 event->direction = GDK_SCROLL_UP;
3091 else if (event->direction == GDK_SCROLL_DOWN)
3092 event->direction = GDK_SCROLL_RIGHT;
3093 else if (event->direction == GDK_SCROLL_RIGHT)
3094 event->direction = GDK_SCROLL_DOWN;
3096 event->state &= ~GDK_SHIFT_MASK;
3097 state &= ~GDK_SHIFT_MASK;
3100 if (state == 0 && view->sizing_mode == EV_SIZING_BEST_FIT && !view->continuous) {
3101 switch (event->direction) {
3102 case GDK_SCROLL_DOWN:
3103 case GDK_SCROLL_RIGHT:
3104 ev_view_next_page (view);
3107 case GDK_SCROLL_LEFT:
3108 ev_view_previous_page (view);
3118 static EvViewSelection *
3119 find_selection_for_page (EvView *view,
3124 for (list = view->selection_info.selections; list != NULL; list = list->next) {
3125 EvViewSelection *selection;
3127 selection = (EvViewSelection *) list->data;
3129 if (selection->page == page)
3137 ev_view_expose_event (GtkWidget *widget,
3138 GdkEventExpose *event)
3140 EvView *view = EV_VIEW (widget);
3141 GdkWindow *bin_window;
3145 if (view->loading) {
3146 show_loading_window (view);
3147 } else if (view->loading_window &&
3148 gtk_widget_get_visible (view->loading_window)) {
3149 ev_view_loading_window_move (view);
3152 if (view->document == NULL)
3155 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
3156 cr = gdk_cairo_create (bin_window);
3158 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
3159 GdkRectangle page_area;
3161 gboolean page_ready = TRUE;
3163 if (!ev_view_get_page_extents (view, i, &page_area, &border))
3166 page_area.x -= view->scroll_x;
3167 page_area.y -= view->scroll_y;
3169 draw_one_page (view, i, cr, &page_area, &border, &(event->area), &page_ready);
3171 if (page_ready && view->find_pages && view->highlight_find_results)
3172 highlight_find_results (view, i);
3173 if (page_ready && EV_IS_DOCUMENT_ANNOTATIONS (view->document))
3174 show_annotation_windows (view, i);
3175 if (page_ready && view->synctex_result)
3176 highlight_forward_search_results (view, i);
3181 if (GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event)
3182 (* GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) (widget, event);
3188 ev_view_do_popup_menu (EvView *view,
3192 GList *items = NULL;
3195 EvAnnotation *annot;
3197 image = ev_view_get_image_at_location (view, x, y);
3199 items = g_list_prepend (items, image);
3201 link = ev_view_get_link_at_location (view, x, y);
3203 items = g_list_prepend (items, link);
3205 annot = ev_view_get_annotation_at_location (view, x, y);
3207 items = g_list_prepend (items, annot);
3209 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, items);
3211 g_list_free (items);
3217 ev_view_popup_menu (GtkWidget *widget)
3221 gtk_widget_get_pointer (widget, &x, &y);
3222 return ev_view_do_popup_menu (EV_VIEW (widget), x, y);
3226 get_link_area (EvView *view,
3232 GList *link_mapping;
3234 gint x_offset = 0, y_offset = 0;
3236 x += view->scroll_x;
3237 y += view->scroll_y;
3239 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3241 link_mapping = ev_page_cache_get_link_mapping (view->page_cache, page);
3242 ev_view_get_area_from_mapping (view, page,
3248 get_annot_area (EvView *view,
3251 EvAnnotation *annot,
3254 GList *annot_mapping;
3256 gint x_offset = 0, y_offset = 0;
3258 x += view->scroll_x;
3259 y += view->scroll_y;
3261 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3263 annot_mapping = ev_page_cache_get_annot_mapping (view->page_cache, page);
3264 ev_view_get_area_from_mapping (view, page,
3270 ev_view_query_tooltip (GtkWidget *widget,
3273 gboolean keyboard_tip,
3274 GtkTooltip *tooltip)
3276 EvView *view = EV_VIEW (widget);
3278 EvAnnotation *annot;
3281 annot = ev_view_get_annotation_at_location (view, x, y);
3282 if (annot && annot->contents) {
3283 GdkRectangle annot_area;
3285 get_annot_area (view, x, y, annot, &annot_area);
3286 gtk_tooltip_set_text (tooltip, annot->contents);
3287 gtk_tooltip_set_tip_area (tooltip, &annot_area);
3292 link = ev_view_get_link_at_location (view, x, y);
3296 text = tip_from_link (view, link);
3297 if (text && g_utf8_validate (text, -1, NULL)) {
3298 GdkRectangle link_area;
3300 get_link_area (view, x, y, link, &link_area);
3301 gtk_tooltip_set_text (tooltip, text);
3302 gtk_tooltip_set_tip_area (tooltip, &link_area);
3310 start_selection_for_event (EvView *view,
3311 GdkEventButton *event)
3313 clear_selection (view);
3315 view->selection_info.start.x = event->x + view->scroll_x;
3316 view->selection_info.start.y = event->y + view->scroll_y;
3318 switch (event->type) {
3319 case GDK_2BUTTON_PRESS:
3320 view->selection_info.style = EV_SELECTION_STYLE_WORD;
3322 case GDK_3BUTTON_PRESS:
3323 view->selection_info.style = EV_SELECTION_STYLE_LINE;
3326 view->selection_info.style = EV_SELECTION_STYLE_GLYPH;
3330 /* In case of WORD or LINE, compute selections now */
3331 compute_selections (view,
3332 view->selection_info.style,
3333 &(view->selection_info.start),
3334 &(view->selection_info.start));
3338 ev_view_button_press_event (GtkWidget *widget,
3339 GdkEventButton *event)
3341 EvView *view = EV_VIEW (widget);
3343 if (!view->document)
3346 if (!gtk_widget_has_focus (widget)) {
3347 gtk_widget_grab_focus (widget);
3350 if (view->window_child_focus) {
3351 EvAnnotationWindow *window;
3352 EvAnnotation *annot;
3354 window = EV_ANNOTATION_WINDOW (view->window_child_focus->window);
3355 annot = ev_annotation_window_get_annotation (window);
3356 ev_annotation_window_ungrab_focus (window);
3357 ev_view_annotation_save (view, annot);
3358 view->window_child_focus = NULL;
3361 view->pressed_button = event->button;
3362 view->selection_info.in_drag = FALSE;
3364 if (view->scroll_info.autoscrolling)
3367 switch (event->button) {
3370 EvAnnotation *annot;
3373 if (event->state & GDK_CONTROL_MASK)
3374 return ev_view_synctex_backward_search (view, event->x , event->y);
3376 if (EV_IS_SELECTION (view->document) && view->selection_info.selections) {
3377 if (event->type == GDK_3BUTTON_PRESS) {
3378 start_selection_for_event (view, event);
3379 } else if (location_in_selected_text (view,
3380 event->x + view->scroll_x,
3381 event->y + view->scroll_y)) {
3382 view->selection_info.in_drag = TRUE;
3384 start_selection_for_event (view, event);
3387 gtk_widget_queue_draw (widget);
3388 } else if ((annot = ev_view_get_annotation_at_location (view, event->x, event->y))) {
3389 ev_view_handle_annotation (view, annot, event->x, event->y, event->time);
3390 } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) {
3391 ev_view_remove_all (view);
3392 ev_view_handle_form_field (view, field, event->x, event->y);
3393 } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) &&
3394 (image = ev_view_get_image_at_location (view, event->x, event->y))) {
3395 if (view->image_dnd_info.image)
3396 g_object_unref (view->image_dnd_info.image);
3397 view->image_dnd_info.image = g_object_ref (image);
3398 view->image_dnd_info.in_drag = TRUE;
3400 view->image_dnd_info.start.x = event->x + view->scroll_x;
3401 view->image_dnd_info.start.y = event->y + view->scroll_y;
3403 ev_view_remove_all (view);
3405 if (view->synctex_result) {
3406 g_free (view->synctex_result);
3407 view->synctex_result = NULL;
3408 gtk_widget_queue_draw (widget);
3411 if (EV_IS_SELECTION (view->document))
3412 start_selection_for_event (view, event);
3417 /* use root coordinates as reference point because
3418 * scrolling changes window relative coordinates */
3419 view->drag_info.start.x = event->x_root;
3420 view->drag_info.start.y = event->y_root;
3421 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
3422 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
3424 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
3428 view->scroll_info.start_y = event->y;
3429 return ev_view_do_popup_menu (view, event->x, event->y);
3436 ev_view_remove_all (EvView *view)
3438 GList *children, *child;
3440 children = gtk_container_get_children (GTK_CONTAINER (view));
3441 for (child = children; child && child->data; child = g_list_next (child)) {
3442 gtk_container_remove (GTK_CONTAINER (view),
3443 GTK_WIDGET (child->data));
3445 g_list_free (children);
3448 /*** Drag and Drop ***/
3450 ev_view_drag_data_get (GtkWidget *widget,
3451 GdkDragContext *context,
3452 GtkSelectionData *selection_data,
3456 EvView *view = EV_VIEW (widget);
3459 case TARGET_DND_TEXT:
3460 if (EV_IS_SELECTION (view->document) &&
3461 view->selection_info.selections) {
3464 text = get_selected_text (view);
3465 gtk_selection_data_set_text (selection_data,
3471 case TARGET_DND_IMAGE:
3472 if (view->image_dnd_info.image) {
3475 ev_document_doc_mutex_lock ();
3476 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3477 view->image_dnd_info.image);
3478 ev_document_doc_mutex_unlock ();
3480 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
3481 g_object_unref (pixbuf);
3484 case TARGET_DND_URI:
3485 if (view->image_dnd_info.image) {
3487 const gchar *tmp_uri;
3490 ev_document_doc_mutex_lock ();
3491 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3492 view->image_dnd_info.image);
3493 ev_document_doc_mutex_unlock ();
3495 tmp_uri = ev_image_save_tmp (view->image_dnd_info.image, pixbuf);
3496 g_object_unref (pixbuf);
3498 uris[0] = (gchar *)tmp_uri;
3500 gtk_selection_data_set_uris (selection_data, uris);
3506 ev_view_drag_motion (GtkWidget *widget,
3507 GdkDragContext *context,
3512 if (gtk_drag_get_source_widget (context) == widget)
3513 gdk_drag_status (context, 0, time);
3515 gdk_drag_status (context, gdk_drag_context_get_suggested_action (context), time);
3521 selection_update_idle_cb (EvView *view)
3523 compute_selections (view,
3524 view->selection_info.style,
3525 &view->selection_info.start,
3527 view->selection_update_id = 0;
3532 selection_scroll_timeout_cb (EvView *view)
3534 gint x, y, shift = 0;
3535 GtkWidget *widget = GTK_WIDGET (view);
3536 GtkAllocation allocation;
3538 gtk_widget_get_allocation (widget, &allocation);
3539 gtk_widget_get_pointer (widget, &x, &y);
3541 if (y > allocation.height) {
3542 shift = (y - allocation.height) / 2;
3548 gtk_adjustment_set_value (view->vadjustment,
3549 CLAMP (gtk_adjustment_get_value (view->vadjustment) + shift,
3550 gtk_adjustment_get_lower (view->vadjustment),
3551 gtk_adjustment_get_upper (view->vadjustment) -
3552 gtk_adjustment_get_page_size (view->vadjustment)));
3554 if (x > allocation.width) {
3555 shift = (x - allocation.width) / 2;
3561 gtk_adjustment_set_value (view->hadjustment,
3562 CLAMP (gtk_adjustment_get_value (view->hadjustment) + shift,
3563 gtk_adjustment_get_lower (view->hadjustment),
3564 gtk_adjustment_get_upper (view->hadjustment) -
3565 gtk_adjustment_get_page_size (view->hadjustment)));
3571 ev_view_drag_update_momentum (EvView *view)
3574 if (!view->drag_info.in_drag)
3577 for (i = DRAG_HISTORY - 1; i > 0; i--) {
3578 view->drag_info.buffer[i].x = view->drag_info.buffer[i-1].x;
3579 view->drag_info.buffer[i].y = view->drag_info.buffer[i-1].y;
3582 /* Momentum is a moving average of 10ms granularity over
3583 * the last 100ms with each 10ms stored in buffer.
3586 view->drag_info.momentum.x = (view->drag_info.buffer[DRAG_HISTORY - 1].x - view->drag_info.buffer[0].x);
3587 view->drag_info.momentum.y = (view->drag_info.buffer[DRAG_HISTORY - 1].y - view->drag_info.buffer[0].y);
3593 ev_view_scroll_drag_release (EvView *view)
3595 gdouble dhadj_value, dvadj_value;
3596 gdouble oldhadjustment, oldvadjustment;
3597 gdouble h_page_size, v_page_size;
3598 gdouble h_upper, v_upper;
3599 GtkAllocation allocation;
3601 view->drag_info.momentum.x /= 1.2;
3602 view->drag_info.momentum.y /= 1.2; /* Alter these constants to change "friction" */
3604 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
3606 h_page_size = gtk_adjustment_get_page_size (view->hadjustment);
3607 v_page_size = gtk_adjustment_get_page_size (view->vadjustment);
3609 dhadj_value = h_page_size *
3610 (gdouble)view->drag_info.momentum.x / allocation.width;
3611 dvadj_value = v_page_size *
3612 (gdouble)view->drag_info.momentum.y / allocation.height;
3614 oldhadjustment = gtk_adjustment_get_value (view->hadjustment);
3615 oldvadjustment = gtk_adjustment_get_value (view->vadjustment);
3617 h_upper = gtk_adjustment_get_upper (view->hadjustment);
3618 v_upper = gtk_adjustment_get_upper (view->vadjustment);
3620 /* When we reach the edges, we need either to absorb some momentum and bounce by
3621 * multiplying it on -0.5 or stop scrolling by setting momentum to 0. */
3622 if (((oldhadjustment + dhadj_value) > (h_upper - h_page_size)) ||
3623 ((oldhadjustment + dhadj_value) < 0))
3624 view->drag_info.momentum.x = 0;
3625 if (((oldvadjustment + dvadj_value) > (v_upper - v_page_size)) ||
3626 ((oldvadjustment + dvadj_value) < 0))
3627 view->drag_info.momentum.y = 0;
3629 gtk_adjustment_set_value (view->hadjustment,
3630 MIN (oldhadjustment + dhadj_value,
3631 h_upper - h_page_size));
3632 gtk_adjustment_set_value (view->vadjustment,
3633 MIN (oldvadjustment + dvadj_value,
3634 v_upper - v_page_size));
3636 if (((view->drag_info.momentum.x < 1) && (view->drag_info.momentum.x > -1)) &&
3637 ((view->drag_info.momentum.y < 1) && (view->drag_info.momentum.y > -1)))
3644 ev_view_motion_notify_event (GtkWidget *widget,
3645 GdkEventMotion *event)
3647 EvView *view = EV_VIEW (widget);
3648 GdkWindow *bin_window;
3651 if (!view->document)
3654 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
3656 if (event->is_hint || event->window != bin_window) {
3657 gtk_widget_get_pointer (widget, &x, &y);
3663 if (view->scroll_info.autoscrolling) {
3664 view->scroll_info.last_y = y;
3668 if (view->selection_info.in_drag) {
3669 if (gtk_drag_check_threshold (widget,
3670 view->selection_info.start.x,
3671 view->selection_info.start.y,
3673 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3675 gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT);
3677 gtk_drag_begin (widget, target_list,
3679 1, (GdkEvent *)event);
3681 view->selection_info.in_drag = FALSE;
3683 gtk_target_list_unref (target_list);
3687 } else if (view->image_dnd_info.in_drag) {
3688 if (gtk_drag_check_threshold (widget,
3689 view->selection_info.start.x,
3690 view->selection_info.start.y,
3692 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3694 gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI);
3695 gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE);
3697 gtk_drag_begin (widget, target_list,
3699 1, (GdkEvent *)event);
3701 view->image_dnd_info.in_drag = FALSE;
3703 gtk_target_list_unref (target_list);
3709 switch (view->pressed_button) {
3711 /* For the Evince 0.4.x release, we limit selection to un-rotated
3714 if (view->rotation != 0)
3717 /* Schedule timeout to scroll during selection and additionally
3718 * scroll once to allow arbitrary speed. */
3719 if (!view->selection_scroll_id)
3720 view->selection_scroll_id = g_timeout_add (SCROLL_TIME,
3721 (GSourceFunc)selection_scroll_timeout_cb,
3724 selection_scroll_timeout_cb (view);
3726 view->selection_info.in_selection = TRUE;
3727 view->motion.x = x + view->scroll_x;
3728 view->motion.y = y + view->scroll_y;
3730 /* Queue an idle to handle the motion. We do this because
3731 * handling any selection events in the motion could be slower
3732 * than new motion events reach us. We always put it in the
3733 * idle to make sure we catch up and don't visibly lag the
3735 if (!view->selection_update_id)
3736 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
3740 if (!view->drag_info.in_drag) {
3744 start = gtk_drag_check_threshold (widget,
3745 view->drag_info.start.x,
3746 view->drag_info.start.y,
3749 view->drag_info.in_drag = start;
3750 view->drag_info.drag_timeout_id = g_timeout_add (10,
3751 (GSourceFunc)ev_view_drag_update_momentum, view);
3752 /* Set 100 to choose how long it takes to build up momentum */
3753 /* Clear out previous momentum info: */
3754 for (i = 0; i < DRAG_HISTORY; i++) {
3755 view->drag_info.buffer[i].x = event->x;
3756 view->drag_info.buffer[i].y = event->y;
3758 view->drag_info.momentum.x = 0;
3759 view->drag_info.momentum.y = 0;
3762 if (view->drag_info.in_drag) {
3764 gdouble dhadj_value, dvadj_value;
3765 GtkAllocation allocation;
3767 view->drag_info.buffer[0].x = event->x;
3768 view->drag_info.buffer[0].y = event->y;
3770 dx = event->x_root - view->drag_info.start.x;
3771 dy = event->y_root - view->drag_info.start.y;
3773 gtk_widget_get_allocation (widget, &allocation);
3775 dhadj_value = gtk_adjustment_get_page_size (view->hadjustment) *
3776 (gdouble)dx / allocation.width;
3777 dvadj_value = gtk_adjustment_get_page_size (view->vadjustment) *
3778 (gdouble)dy / allocation.height;
3780 /* clamp scrolling to visible area */
3781 gtk_adjustment_set_value (view->hadjustment,
3782 MIN (view->drag_info.hadj - dhadj_value,
3783 gtk_adjustment_get_upper (view->hadjustment) -
3784 gtk_adjustment_get_page_size (view->hadjustment)));
3785 gtk_adjustment_set_value (view->vadjustment,
3786 MIN (view->drag_info.vadj - dvadj_value,
3787 gtk_adjustment_get_upper (view->vadjustment) -
3788 gtk_adjustment_get_page_size (view->vadjustment)));
3795 ev_view_handle_cursor_over_xy (view, x, y);
3802 ev_view_button_release_event (GtkWidget *widget,
3803 GdkEventButton *event)
3805 EvView *view = EV_VIEW (widget);
3806 EvLink *link = NULL;
3808 view->image_dnd_info.in_drag = FALSE;
3810 if (view->scroll_info.autoscrolling) {
3811 ev_view_autoscroll_stop (view);
3812 view->pressed_button = -1;
3817 if (view->drag_info.in_drag) {
3818 view->drag_info.release_timeout_id =
3820 (GSourceFunc)ev_view_scroll_drag_release, view);
3823 if (view->document && !view->drag_info.in_drag && view->pressed_button != 3) {
3824 link = ev_view_get_link_at_location (view, event->x, event->y);
3827 view->drag_info.in_drag = FALSE;
3829 if (view->pressed_button == 2) {
3830 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3833 view->pressed_button = -1;
3835 if (view->selection_scroll_id) {
3836 g_source_remove (view->selection_scroll_id);
3837 view->selection_scroll_id = 0;
3839 if (view->selection_update_id) {
3840 g_source_remove (view->selection_update_id);
3841 view->selection_update_id = 0;
3844 if (view->selection_info.selections) {
3845 clear_link_selected (view);
3846 ev_view_update_primary_selection (view);
3848 if (view->selection_info.in_drag) {
3849 clear_selection (view);
3850 gtk_widget_queue_draw (widget);
3853 view->selection_info.in_drag = FALSE;
3855 if (event->button == 2) {
3856 EvLinkAction *action;
3857 EvLinkActionType type;
3859 action = ev_link_get_action (link);
3863 type = ev_link_action_get_action_type (action);
3864 if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
3865 g_signal_emit (view,
3866 signals[SIGNAL_EXTERNAL_LINK],
3870 ev_view_handle_link (view, link);
3878 ev_view_key_press_event (GtkWidget *widget,
3881 EvView *view = EV_VIEW (widget);
3883 if (!view->document)
3886 if (!gtk_widget_has_focus (widget)) {
3887 /* Forward key events to current focused window child */
3888 if (view->window_child_focus) {
3889 GdkEventKey *new_event;
3892 new_event = (GdkEventKey *) gdk_event_copy ((GdkEvent *)event);
3893 g_object_unref (new_event->window);
3894 new_event->window = gtk_widget_get_window (view->window_child_focus->window);
3895 if (new_event->window)
3896 g_object_ref (new_event->window);
3897 gtk_widget_realize (view->window_child_focus->window);
3898 handled = gtk_widget_event (view->window_child_focus->window, (GdkEvent *)new_event);
3899 gdk_event_free ((GdkEvent *)new_event);
3907 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3911 ev_view_focus_in (GtkWidget *widget,
3912 GdkEventFocus *event)
3914 if (EV_VIEW (widget)->pixbuf_cache)
3915 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3916 gtk_widget_queue_draw (widget);
3922 ev_view_focus_out (GtkWidget *widget,
3923 GdkEventFocus *event)
3925 if (EV_VIEW (widget)->pixbuf_cache)
3926 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3927 gtk_widget_queue_draw (widget);
3933 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3935 EvView *view = EV_VIEW (widget);
3937 if (view->cursor != EV_VIEW_CURSOR_NORMAL)
3938 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
3944 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3946 EvView *view = EV_VIEW (widget);
3948 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3954 ev_view_style_set (GtkWidget *widget,
3955 GtkStyle *old_style)
3957 if (EV_VIEW (widget)->pixbuf_cache)
3958 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3960 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
3966 draw_rubberband (EvView *view,
3968 const GdkRectangle *rect,
3972 GdkColor *fill_color_gdk;
3976 style = gtk_widget_get_style (GTK_WIDGET (view));
3977 fill_color_gdk = gdk_color_copy (&style->base[GTK_STATE_SELECTED]);
3978 r = fill_color_gdk->red / 65535.;
3979 g = fill_color_gdk->green / 65535.;
3980 b = fill_color_gdk->blue / 65535.;
3982 cr = gdk_cairo_create (window);
3984 cairo_set_source_rgba (cr, r, g, b, alpha);
3985 cairo_rectangle (cr,
3986 rect->x - view->scroll_x,
3987 rect->y - view->scroll_y,
3988 rect->width, rect->height);
3989 cairo_fill_preserve (cr);
3991 cairo_set_line_width (cr, 0.5);
3992 cairo_set_source_rgb (cr, r, g, b);
3997 gdk_color_free (fill_color_gdk);
4002 highlight_find_results (EvView *view, int page)
4004 gint i, n_results = 0;
4005 GdkWindow *bin_window;
4007 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
4009 n_results = ev_view_find_get_n_results (view, page);
4011 for (i = 0; i < n_results; i++) {
4012 EvRectangle *rectangle;
4013 GdkRectangle view_rectangle;
4016 if (i == view->find_result && page == view->current_page) {
4022 rectangle = ev_view_find_get_result (view, page, i);
4023 doc_rect_to_view_rect (view, page, rectangle, &view_rectangle);
4024 draw_rubberband (view, bin_window, &view_rectangle, alpha);
4029 highlight_forward_search_results (EvView *view, int page)
4031 GdkWindow *bin_window;
4034 EvMapping *mapping = view->synctex_result;
4036 if (GPOINTER_TO_INT (mapping->data) != page)
4039 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
4040 doc_rect_to_view_rect (view, page, &mapping->area, &rect);
4042 cr = gdk_cairo_create (bin_window);
4043 cairo_set_source_rgb (cr, 1., 0., 0.);
4044 cairo_rectangle (cr,
4045 rect.x - view->scroll_x,
4046 rect.y - view->scroll_y,
4047 rect.width, rect.height);
4053 ev_view_loading_window_move (EvView *view)
4055 GtkWidget *widget = GTK_WIDGET (view);
4056 EvLoadingWindow *window = EV_LOADING_WINDOW (view->loading_window);
4057 gint root_x, root_y;
4059 GtkAllocation allocation;
4061 gtk_widget_get_allocation (widget, &allocation);
4062 gdk_window_get_origin (gtk_widget_get_window (widget), &root_x, &root_y);
4063 ev_loading_window_get_size (window, &window_width, NULL);
4065 root_x += allocation.width - window_width - 10;
4068 ev_loading_window_move (window, root_x, root_y);
4072 show_loading_window_cb (EvView *view)
4074 if (!view->loading_window) {
4078 parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
4079 view->loading_window = ev_loading_window_new (parent);
4081 /* Show the window off screen to get a valid size asap */
4082 screen = gtk_widget_get_screen (GTK_WIDGET (view));
4083 gtk_window_move (GTK_WINDOW (view->loading_window),
4084 gdk_screen_get_width (screen) + 1,
4085 gdk_screen_get_height (screen) + 1);
4086 gtk_widget_show (view->loading_window);
4089 ev_view_loading_window_move (view);
4091 gtk_widget_show (view->loading_window);
4093 view->loading_timeout = 0;
4099 show_loading_window (EvView *view)
4101 if (view->loading_window && gtk_widget_get_visible (view->loading_window)) {
4102 ev_view_loading_window_move (view);
4106 if (!view->loading_timeout) {
4107 view->loading_timeout =
4108 g_timeout_add_full (G_PRIORITY_LOW,
4109 0.5, (GSourceFunc)show_loading_window_cb,
4115 hide_loading_window (EvView *view)
4117 if (view->loading_timeout) {
4118 g_source_remove (view->loading_timeout);
4119 view->loading_timeout = 0;
4122 if (view->loading_window && gtk_widget_get_visible (view->loading_window)) {
4123 gtk_widget_hide (view->loading_window);
4128 draw_one_page (EvView *view,
4131 GdkRectangle *page_area,
4133 GdkRectangle *expose_area,
4134 gboolean *page_ready)
4136 GdkWindow *bin_window;
4137 GdkRectangle overlap;
4138 GdkRectangle real_page_area;
4140 gboolean inverted_colors;
4142 g_assert (view->document);
4144 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
4147 /* Render the document itself */
4148 real_page_area = *page_area;
4150 real_page_area.x += border->left;
4151 real_page_area.y += border->top;
4152 real_page_area.width -= (border->left + border->right);
4153 real_page_area.height -= (border->top + border->bottom);
4156 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
4157 current_page = ev_document_model_get_page (view->model);
4158 inverted_colors = ev_document_model_get_inverted_colors (view->model);
4159 ev_document_misc_paint_one_page (bin_window,
4162 page == current_page,
4165 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
4167 gint page_width, page_height;
4168 cairo_surface_t *page_surface = NULL;
4169 gint selection_width, selection_height;
4170 cairo_surface_t *selection_surface = NULL;
4172 page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page);
4174 if (!page_surface) {
4175 if (page == current_page)
4176 show_loading_window (view);
4178 *page_ready = FALSE;
4183 if (page == current_page)
4184 hide_loading_window (view);
4186 ev_view_get_page_size (view, page, &width, &height);
4188 page_width = cairo_image_surface_get_width (page_surface);
4189 page_height = cairo_image_surface_get_height (page_surface);
4192 cairo_translate (cr, overlap.x, overlap.y);
4194 if (width != page_width || height != page_height) {
4195 cairo_pattern_set_filter (cairo_get_source (cr),
4198 (gdouble)width / page_width,
4199 (gdouble)height / page_height);
4202 cairo_surface_set_device_offset (page_surface,
4203 overlap.x - real_page_area.x,
4204 overlap.y - real_page_area.y);
4205 cairo_set_source_surface (cr, page_surface, 0, 0);
4209 /* Get the selection pixbuf iff we have something to draw */
4210 if (find_selection_for_page (view, page) &&
4211 view->selection_mode == EV_VIEW_SELECTION_TEXT) {
4213 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
4219 if (!selection_surface) {
4223 selection_width = cairo_image_surface_get_width (selection_surface);
4224 selection_height = cairo_image_surface_get_height (selection_surface);
4227 cairo_translate (cr, overlap.x, overlap.y);
4229 if (width != selection_width || height != selection_height) {
4230 cairo_pattern_set_filter (cairo_get_source (cr),
4233 (gdouble)width / selection_width,
4234 (gdouble)height / selection_height);
4237 cairo_surface_set_device_offset (selection_surface,
4238 overlap.x - real_page_area.x,
4239 overlap.y - real_page_area.y);
4241 cairo_set_source_surface (cr, selection_surface, 0, 0);
4247 /*** GObject functions ***/
4250 ev_view_finalize (GObject *object)
4252 EvView *view = EV_VIEW (object);
4254 clear_selection (view);
4255 clear_link_selected (view);
4257 if (view->synctex_result) {
4258 g_free (view->synctex_result);
4259 view->synctex_result = NULL;
4262 if (view->image_dnd_info.image)
4263 g_object_unref (view->image_dnd_info.image);
4264 view->image_dnd_info.image = NULL;
4266 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
4270 ev_view_destroy (GtkObject *object)
4272 EvView *view = EV_VIEW (object);
4275 g_object_unref (view->model);
4279 if (view->pixbuf_cache) {
4280 g_object_unref (view->pixbuf_cache);
4281 view->pixbuf_cache = NULL;
4284 if (view->document) {
4285 g_object_unref (view->document);
4286 view->document = NULL;
4289 if (view->page_cache) {
4290 g_object_unref (view->page_cache);
4291 view->page_cache = NULL;
4294 ev_view_window_children_free (view);
4296 if (view->selection_scroll_id) {
4297 g_source_remove (view->selection_scroll_id);
4298 view->selection_scroll_id = 0;
4301 if (view->selection_update_id) {
4302 g_source_remove (view->selection_update_id);
4303 view->selection_update_id = 0;
4306 if (view->scroll_info.timeout_id) {
4307 g_source_remove (view->scroll_info.timeout_id);
4308 view->scroll_info.timeout_id = 0;
4311 if (view->drag_info.drag_timeout_id) {
4312 g_source_remove (view->drag_info.drag_timeout_id);
4313 view->drag_info.drag_timeout_id = 0;
4316 if (view->drag_info.release_timeout_id) {
4317 g_source_remove (view->drag_info.release_timeout_id);
4318 view->drag_info.release_timeout_id = 0;
4321 if (view->loading_timeout) {
4322 g_source_remove (view->loading_timeout);
4323 view->loading_timeout = 0;
4326 ev_view_set_scroll_adjustments (GTK_LAYOUT (view), NULL, NULL);
4328 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
4332 ev_view_get_accessible (GtkWidget *widget)
4334 static gboolean first_time = TRUE;
4337 AtkObjectFactory *factory;
4338 AtkRegistry *registry;
4340 GType derived_atk_type;
4343 * Figure out whether accessibility is enabled by looking at the
4344 * type of the accessible object which would be created for
4345 * the parent type of EvView.
4347 derived_type = g_type_parent (EV_TYPE_VIEW);
4349 registry = atk_get_default_registry ();
4350 factory = atk_registry_get_factory (registry,
4352 derived_atk_type = atk_object_factory_get_accessible_type (factory);
4353 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
4354 atk_registry_set_factory_type (registry,
4356 ev_view_accessible_factory_get_type ());
4359 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
4363 ev_view_class_init (EvViewClass *class)
4365 GObjectClass *object_class = G_OBJECT_CLASS (class);
4366 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
4367 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
4368 GtkLayoutClass *layout_class = GTK_LAYOUT_CLASS (class);
4369 GtkBindingSet *binding_set;
4371 object_class->finalize = ev_view_finalize;
4373 widget_class->expose_event = ev_view_expose_event;
4374 widget_class->button_press_event = ev_view_button_press_event;
4375 widget_class->motion_notify_event = ev_view_motion_notify_event;
4376 widget_class->button_release_event = ev_view_button_release_event;
4377 widget_class->key_press_event = ev_view_key_press_event;
4378 widget_class->focus_in_event = ev_view_focus_in;
4379 widget_class->focus_out_event = ev_view_focus_out;
4380 widget_class->get_accessible = ev_view_get_accessible;
4381 widget_class->size_request = ev_view_size_request;
4382 widget_class->size_allocate = ev_view_size_allocate;
4383 widget_class->realize = ev_view_realize;
4384 widget_class->scroll_event = ev_view_scroll_event;
4385 widget_class->enter_notify_event = ev_view_enter_notify_event;
4386 widget_class->leave_notify_event = ev_view_leave_notify_event;
4387 widget_class->style_set = ev_view_style_set;
4388 widget_class->drag_data_get = ev_view_drag_data_get;
4389 widget_class->drag_motion = ev_view_drag_motion;
4390 widget_class->popup_menu = ev_view_popup_menu;
4391 widget_class->query_tooltip = ev_view_query_tooltip;
4393 gtk_object_class->destroy = ev_view_destroy;
4395 layout_class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
4397 class->binding_activated = ev_view_scroll;
4399 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
4400 G_TYPE_FROM_CLASS (object_class),
4401 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4402 G_STRUCT_OFFSET (EvViewClass, binding_activated),
4404 ev_view_marshal_VOID__ENUM_BOOLEAN,
4406 GTK_TYPE_SCROLL_TYPE,
4408 signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link",
4409 G_TYPE_FROM_CLASS (object_class),
4410 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4411 G_STRUCT_OFFSET (EvViewClass, handle_link),
4413 g_cclosure_marshal_VOID__OBJECT,
4416 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
4417 G_TYPE_FROM_CLASS (object_class),
4418 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4419 G_STRUCT_OFFSET (EvViewClass, external_link),
4421 g_cclosure_marshal_VOID__OBJECT,
4424 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
4425 G_TYPE_FROM_CLASS (object_class),
4426 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4427 G_STRUCT_OFFSET (EvViewClass, popup_menu),
4429 g_cclosure_marshal_VOID__POINTER,
4432 signals[SIGNAL_SELECTION_CHANGED] = g_signal_new ("selection-changed",
4433 G_TYPE_FROM_CLASS (object_class),
4434 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4435 G_STRUCT_OFFSET (EvViewClass, selection_changed),
4437 g_cclosure_marshal_VOID__VOID,
4440 signals[SIGNAL_SYNC_SOURCE] = g_signal_new ("sync-source",
4441 G_TYPE_FROM_CLASS (object_class),
4442 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4443 G_STRUCT_OFFSET (EvViewClass, sync_source),
4445 g_cclosure_marshal_VOID__POINTER,
4449 binding_set = gtk_binding_set_by_class (class);
4451 add_scroll_binding_keypad (binding_set, GDK_Left, 0, GTK_SCROLL_STEP_BACKWARD, TRUE);
4452 add_scroll_binding_keypad (binding_set, GDK_Right, 0, GTK_SCROLL_STEP_FORWARD, TRUE);
4453 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, TRUE);
4454 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, TRUE);
4455 add_scroll_binding_keypad (binding_set, GDK_Up, 0, GTK_SCROLL_STEP_BACKWARD, FALSE);
4456 add_scroll_binding_keypad (binding_set, GDK_Down, 0, GTK_SCROLL_STEP_FORWARD, FALSE);
4457 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, FALSE);
4458 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, FALSE);
4459 gtk_binding_entry_add_signal (binding_set, GDK_H, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4460 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE);
4461 gtk_binding_entry_add_signal (binding_set, GDK_J, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4462 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE);
4463 gtk_binding_entry_add_signal (binding_set, GDK_K, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4464 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE);
4465 gtk_binding_entry_add_signal (binding_set, GDK_L, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4466 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE);
4471 ev_view_init (EvView *view)
4473 gtk_widget_set_can_focus (GTK_WIDGET (view), TRUE);
4475 view->start_page = -1;
4476 view->end_page = -1;
4479 view->current_page = 0;
4480 view->pressed_button = -1;
4481 view->cursor = EV_VIEW_CURSOR_NORMAL;
4482 view->drag_info.in_drag = FALSE;
4483 view->scroll_info.autoscrolling = FALSE;
4484 view->selection_info.selections = NULL;
4485 view->selection_info.in_selection = FALSE;
4486 view->selection_info.in_drag = FALSE;
4487 view->selection_mode = EV_VIEW_SELECTION_TEXT;
4488 view->continuous = TRUE;
4489 view->dual_page = FALSE;
4490 view->fullscreen = FALSE;
4491 view->sizing_mode = EV_SIZING_FIT_WIDTH;
4492 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4493 view->jump_to_find_result = TRUE;
4494 view->highlight_find_results = FALSE;
4496 gtk_layout_set_hadjustment (GTK_LAYOUT (view), NULL);
4497 gtk_layout_set_vadjustment (GTK_LAYOUT (view), NULL);
4503 ev_view_change_page (EvView *view,
4508 view->current_page = new_page;
4509 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4511 hide_loading_window (view);
4513 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4514 ev_view_handle_cursor_over_xy (view, x, y);
4516 gtk_widget_queue_resize (GTK_WIDGET (view));
4520 job_finished_cb (EvPixbufCache *pixbuf_cache,
4521 cairo_region_t *region,
4525 GdkWindow *bin_window;
4527 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
4528 gdk_window_invalidate_region (bin_window, region, TRUE);
4530 gtk_widget_queue_draw (GTK_WIDGET (view));
4535 ev_view_page_changed_cb (EvDocumentModel *model,
4540 if (!view->document)
4543 if (view->current_page != new_page) {
4544 ev_view_change_page (view, new_page);
4546 gtk_widget_queue_draw (GTK_WIDGET (view));
4549 view->find_result = 0;
4553 on_adjustment_value_changed (GtkAdjustment *adjustment,
4559 GList *children, *l;
4561 if (!gtk_widget_get_realized (GTK_WIDGET (view)))
4564 if (view->hadjustment) {
4565 value = (gint) gtk_adjustment_get_value (view->hadjustment);
4566 dx = view->scroll_x - value;
4567 view->scroll_x = value;
4572 if (view->vadjustment) {
4573 value = (gint) gtk_adjustment_get_value (view->vadjustment);
4574 dy = view->scroll_y - value;
4575 view->scroll_y = value;
4580 children = gtk_container_get_children (GTK_CONTAINER (view));
4581 for (l = children; l && l->data; l = g_list_next (l)) {
4582 gint child_x, child_y;
4583 GtkWidget *child = (GtkWidget *)l->data;
4585 gtk_container_child_get (GTK_CONTAINER (view),
4590 gtk_layout_move (GTK_LAYOUT (view), child, child_x + dx, child_y + dy);
4592 g_list_free (children);
4594 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
4595 EvViewWindowChild *child;
4597 child = (EvViewWindowChild *)l->data;
4599 ev_view_window_child_move (view, child, child->x + dx, child->y + dy);
4602 if (view->pending_resize) {
4603 gtk_widget_queue_draw (GTK_WIDGET (view));
4605 GdkWindow *bin_window;
4607 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
4608 gdk_window_scroll (bin_window, dx, dy);
4611 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4612 ev_view_handle_cursor_over_xy (view, x, y);
4615 view_update_range_and_current_page (view);
4623 view = g_object_new (EV_TYPE_VIEW, NULL);
4629 setup_caches (EvView *view)
4631 gboolean inverted_colors;
4633 view->height_to_page_cache = ev_view_get_height_to_page_cache (view);
4634 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->model, view->pixbuf_cache_size);
4635 view->page_cache = ev_page_cache_new (view->document);
4636 inverted_colors = ev_document_model_get_inverted_colors (view->model);
4637 ev_pixbuf_cache_set_inverted_colors (view->pixbuf_cache, inverted_colors);
4638 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
4642 clear_caches (EvView *view)
4644 if (view->pixbuf_cache) {
4645 g_object_unref (view->pixbuf_cache);
4646 view->pixbuf_cache = NULL;
4649 if (view->page_cache) {
4650 g_object_unref (view->page_cache);
4651 view->page_cache = NULL;
4656 * ev_view_set_page_cache_size:
4660 * Sets the maximum size in bytes that will be used to cache
4661 * rendered pages. Use 0 to disable caching rendered pages.
4663 * Note that this limit doesn't affect the current visible page range,
4664 * which will always be rendered. In order to limit the total memory used
4665 * you have to use ev_document_model_set_max_scale() too.
4669 ev_view_set_page_cache_size (EvView *view,
4672 if (view->pixbuf_cache_size == cache_size)
4675 view->pixbuf_cache_size = cache_size;
4676 if (view->pixbuf_cache)
4677 ev_pixbuf_cache_set_max_size (view->pixbuf_cache, cache_size);
4681 ev_view_set_loading (EvView *view,
4684 if (view->loading && !loading)
4685 hide_loading_window (view);
4686 view->loading = loading;
4687 gtk_widget_queue_draw (GTK_WIDGET (view));
4691 ev_view_autoscroll_cb (EvView *view)
4693 gdouble speed, value;
4695 /* If the user stops autoscrolling, autoscrolling will be
4696 * set to false but the timeout will continue; stop the timeout: */
4697 if (!view->scroll_info.autoscrolling) {
4698 view->scroll_info.timeout_id = 0;
4702 if (view->scroll_info.last_y > view->scroll_info.start_y &&
4703 (view->scroll_info.last_y < view->scroll_info.start_y))
4706 /* Replace 100 with your speed of choice: The lower the faster.
4707 * Replace 3 with another speed of choice: The higher, the faster it accelerated
4708 * based on the distance of the starting point from the mouse
4709 * (All also effected by the timeout interval of this callback) */
4711 if (view->scroll_info.start_y > view->scroll_info.last_y)
4712 speed = -pow ((((gdouble)view->scroll_info.start_y - view->scroll_info.last_y) / 100), 3);
4714 speed = pow ((((gdouble)view->scroll_info.last_y - view->scroll_info.start_y) / 100), 3);
4716 value = gtk_adjustment_get_value (view->vadjustment);
4717 value = CLAMP (value + speed, 0,
4718 gtk_adjustment_get_upper (view->vadjustment) -
4719 gtk_adjustment_get_page_size (view->vadjustment));
4720 gtk_adjustment_set_value (view->vadjustment, value);
4727 ev_view_autoscroll_start (EvView *view)
4731 g_return_if_fail (EV_IS_VIEW (view));
4733 if (view->scroll_info.autoscrolling)
4736 view->scroll_info.autoscrolling = TRUE;
4737 view->scroll_info.timeout_id =
4738 g_timeout_add (20, (GSourceFunc)ev_view_autoscroll_cb,
4741 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4742 ev_view_handle_cursor_over_xy (view, x, y);
4746 ev_view_autoscroll_stop (EvView *view)
4750 g_return_if_fail (EV_IS_VIEW (view));
4752 if (!view->scroll_info.autoscrolling)
4755 view->scroll_info.autoscrolling = FALSE;
4756 if (view->scroll_info.timeout_id) {
4757 g_source_remove (view->scroll_info.timeout_id);
4758 view->scroll_info.timeout_id = 0;
4761 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4762 ev_view_handle_cursor_over_xy (view, x, y);
4766 ev_view_document_changed_cb (EvDocumentModel *model,
4770 EvDocument *document = ev_document_model_get_document (model);
4772 if (document != view->document) {
4775 clear_caches (view);
4777 if (view->document) {
4778 g_object_unref (view->document);
4781 view->document = document;
4782 view->find_result = 0;
4784 if (view->document) {
4785 view->loading = FALSE;
4786 g_object_ref (view->document);
4787 setup_caches (view);
4790 current_page = ev_document_model_get_page (model);
4791 if (view->current_page != current_page) {
4792 ev_view_change_page (view, current_page);
4794 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4795 gtk_widget_queue_resize (GTK_WIDGET (view));
4801 ev_view_rotation_changed_cb (EvDocumentModel *model,
4805 gint rotation = ev_document_model_get_rotation (model);
4807 view->rotation = rotation;
4809 if (view->pixbuf_cache) {
4810 ev_pixbuf_cache_clear (view->pixbuf_cache);
4811 if (!ev_document_is_page_size_uniform (view->document))
4812 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4813 gtk_widget_queue_resize (GTK_WIDGET (view));
4816 ev_view_remove_all (view);
4819 clear_selection (view);
4823 ev_view_inverted_colors_changed_cb (EvDocumentModel *model,
4827 if (view->pixbuf_cache) {
4828 gboolean inverted_colors;
4830 inverted_colors = ev_document_model_get_inverted_colors (model);
4831 ev_pixbuf_cache_set_inverted_colors (view->pixbuf_cache, inverted_colors);
4832 gtk_widget_queue_draw (GTK_WIDGET (view));
4837 ev_view_sizing_mode_changed_cb (EvDocumentModel *model,
4841 EvSizingMode mode = ev_document_model_get_sizing_mode (model);
4843 view->sizing_mode = mode;
4844 if (mode != EV_SIZING_FREE)
4845 gtk_widget_queue_resize (GTK_WIDGET (view));
4848 #define EPSILON 0.0000001
4850 ev_view_scale_changed_cb (EvDocumentModel *model,
4854 gdouble scale = ev_document_model_get_scale (model);
4856 if (ABS (view->scale - scale) < EPSILON)
4859 view->scale = scale;
4861 view->pending_resize = TRUE;
4862 if (view->sizing_mode == EV_SIZING_FREE)
4863 gtk_widget_queue_resize (GTK_WIDGET (view));
4867 ev_view_continuous_changed_cb (EvDocumentModel *model,
4871 gboolean continuous = ev_document_model_get_continuous (model);
4873 view->continuous = continuous;
4874 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4875 gtk_widget_queue_resize (GTK_WIDGET (view));
4879 ev_view_dual_page_changed_cb (EvDocumentModel *model,
4883 gboolean dual_page = ev_document_model_get_dual_page (model);
4885 view->dual_page = dual_page;
4886 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4887 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
4888 * preload_cache_size to be 2 if dual_page is set.
4890 gtk_widget_queue_resize (GTK_WIDGET (view));
4894 ev_view_fullscreen_changed_cb (EvDocumentModel *model,
4898 gboolean fullscreen = ev_document_model_get_fullscreen (model);
4900 view->fullscreen = fullscreen;
4901 gtk_widget_queue_resize (GTK_WIDGET (view));
4905 ev_view_set_model (EvView *view,
4906 EvDocumentModel *model)
4908 g_return_if_fail (EV_IS_VIEW (view));
4909 g_return_if_fail (EV_IS_DOCUMENT_MODEL (model));
4911 if (model == view->model)
4915 g_signal_handlers_disconnect_by_func (view->model,
4916 ev_view_document_changed_cb,
4918 g_signal_handlers_disconnect_by_func (view->model,
4919 ev_view_page_changed_cb,
4921 g_object_unref (view->model);
4923 view->model = g_object_ref (model);
4925 /* Initialize view from model */
4926 view->rotation = ev_document_model_get_rotation (view->model);
4927 view->sizing_mode = ev_document_model_get_sizing_mode (view->model);
4928 view->scale = ev_document_model_get_scale (view->model);
4929 view->continuous = ev_document_model_get_continuous (view->model);
4930 view->dual_page = ev_document_model_get_dual_page (view->model);
4931 view->fullscreen = ev_document_model_get_fullscreen (view->model);
4932 ev_view_document_changed_cb (view->model, NULL, view);
4934 g_signal_connect (view->model, "notify::document",
4935 G_CALLBACK (ev_view_document_changed_cb),
4937 g_signal_connect (view->model, "notify::rotation",
4938 G_CALLBACK (ev_view_rotation_changed_cb),
4940 g_signal_connect (view->model, "notify::inverted-colors",
4941 G_CALLBACK (ev_view_inverted_colors_changed_cb),
4943 g_signal_connect (view->model, "notify::sizing-mode",
4944 G_CALLBACK (ev_view_sizing_mode_changed_cb),
4946 g_signal_connect (view->model, "notify::scale",
4947 G_CALLBACK (ev_view_scale_changed_cb),
4949 g_signal_connect (view->model, "notify::continuous",
4950 G_CALLBACK (ev_view_continuous_changed_cb),
4952 g_signal_connect (view->model, "notify::dual-page",
4953 G_CALLBACK (ev_view_dual_page_changed_cb),
4955 g_signal_connect (view->model, "notify::fullscreen",
4956 G_CALLBACK (ev_view_fullscreen_changed_cb),
4958 g_signal_connect (view->model, "page-changed",
4959 G_CALLBACK (ev_view_page_changed_cb),
4964 ev_view_reload_page (EvView *view,
4966 cairo_region_t *region)
4968 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
4976 ev_view_reload (EvView *view)
4978 ev_pixbuf_cache_clear (view->pixbuf_cache);
4979 view_update_range_and_current_page (view);
4982 /*** Zoom and sizing mode ***/
4985 ev_view_can_zoom_in (EvView *view)
4987 return view->scale * ZOOM_IN_FACTOR <= ev_document_model_get_max_scale (view->model);
4991 ev_view_can_zoom_out (EvView *view)
4993 return view->scale * ZOOM_OUT_FACTOR >= ev_document_model_get_min_scale (view->model);
4997 ev_view_zoom_in (EvView *view)
5001 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5003 view->pending_scroll = SCROLL_TO_CENTER;
5004 scale = ev_document_model_get_scale (view->model) * ZOOM_IN_FACTOR;
5005 ev_document_model_set_scale (view->model, scale);
5009 ev_view_zoom_out (EvView *view)
5013 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5015 view->pending_scroll = SCROLL_TO_CENTER;
5016 scale = ev_document_model_get_scale (view->model) * ZOOM_OUT_FACTOR;
5017 ev_document_model_set_scale (view->model, scale);
5021 zoom_for_size_fit_width (gdouble doc_width,
5026 return (double)target_width / doc_width;
5030 zoom_for_size_fit_height (gdouble doc_width,
5035 return (double)target_height / doc_height;
5039 zoom_for_size_best_fit (gdouble doc_width,
5047 w_scale = (double)target_width / doc_width;
5048 h_scale = (double)target_height / doc_height;
5050 return MIN (w_scale, h_scale);
5054 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
5058 gdouble doc_width, doc_height;
5063 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5064 if (view->rotation == 90 || view->rotation == 270) {
5068 doc_width = doc_height;
5072 compute_border (view, doc_width, doc_height, &border);
5075 width -= (2 * (border.left + border.right) + 3 * view->spacing);
5076 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5078 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5080 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5081 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5082 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5083 scale = zoom_for_size_best_fit (doc_width, doc_height, width - sb_size, height);
5085 g_assert_not_reached ();
5087 ev_document_model_set_scale (view->model, scale);
5091 ev_view_zoom_for_size_continuous (EvView *view,
5095 gdouble doc_width, doc_height;
5100 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5101 if (view->rotation == 90 || view->rotation == 270) {
5105 doc_width = doc_height;
5109 compute_border (view, doc_width, doc_height, &border);
5111 width -= (border.left + border.right + 2 * view->spacing);
5112 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5114 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5116 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5117 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5118 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5119 scale = zoom_for_size_best_fit (doc_width, doc_height, width - sb_size, height);
5121 g_assert_not_reached ();
5123 ev_document_model_set_scale (view->model, scale);
5127 ev_view_zoom_for_size_dual_page (EvView *view,
5132 gdouble doc_width, doc_height;
5136 other_page = view->current_page ^ 1;
5138 /* Find the largest of the two. */
5139 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5140 if (other_page < ev_document_get_n_pages (view->document)) {
5141 gdouble width_2, height_2;
5143 get_doc_page_size (view, other_page, &width_2, &height_2);
5144 if (width_2 > doc_width)
5145 doc_width = width_2;
5146 if (height_2 > doc_height)
5147 doc_height = height_2;
5149 compute_border (view, width, height, &border);
5151 doc_width = doc_width * 2;
5152 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
5153 height -= (border.top + border.bottom + 2 * view->spacing);
5155 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5158 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5159 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5160 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5161 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5163 g_assert_not_reached ();
5165 ev_document_model_set_scale (view->model, scale);
5169 ev_view_zoom_for_size_single_page (EvView *view,
5173 gdouble doc_width, doc_height;
5177 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5179 /* Get an approximate border */
5180 compute_border (view, width, height, &border);
5182 width -= (border.left + border.right + 2 * view->spacing);
5183 height -= (border.top + border.bottom + 2 * view->spacing);
5185 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5188 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5189 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5190 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5191 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5193 g_assert_not_reached ();
5195 ev_document_model_set_scale (view->model, scale);
5199 ev_view_zoom_for_size (EvView *view,
5203 g_return_if_fail (EV_IS_VIEW (view));
5204 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
5205 view->sizing_mode == EV_SIZING_BEST_FIT);
5206 g_return_if_fail (width >= 0);
5207 g_return_if_fail (height >= 0);
5209 if (view->document == NULL)
5212 if (view->continuous && view->dual_page)
5213 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height);
5214 else if (view->continuous)
5215 ev_view_zoom_for_size_continuous (view, width, height);
5216 else if (view->dual_page)
5217 ev_view_zoom_for_size_dual_page (view, width, height);
5219 ev_view_zoom_for_size_single_page (view, width, height);
5224 ev_view_find_get_n_results (EvView *view, gint page)
5226 return view->find_pages ? g_list_length (view->find_pages[page]) : 0;
5229 static EvRectangle *
5230 ev_view_find_get_result (EvView *view, gint page, gint result)
5232 return view->find_pages ? (EvRectangle *) g_list_nth_data (view->find_pages[page], result) : NULL;
5236 jump_to_find_result (EvView *view)
5239 gint page = view->current_page;
5241 n_results = ev_view_find_get_n_results (view, page);
5243 if (n_results > 0 && view->find_result < n_results) {
5245 GdkRectangle view_rect;
5247 rect = ev_view_find_get_result (view, page, view->find_result);
5248 doc_rect_to_view_rect (view, page, rect, &view_rect);
5249 ensure_rectangle_is_visible (view, &view_rect);
5250 view->jump_to_find_result = FALSE;
5256 * @view: #EvView instance
5257 * @direction: Direction to look
5258 * @shift: Shift from current page
5260 * Jumps to the first page that has occurences of searched word.
5261 * Uses a direction where to look and a shift from current page.
5265 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
5269 n_pages = ev_document_get_n_pages (view->document);
5271 for (i = 0; i < n_pages; i++) {
5274 if (direction == EV_VIEW_FIND_NEXT)
5275 page = view->current_page + i;
5277 page = view->current_page - i;
5280 if (page >= n_pages) {
5281 page = page - n_pages;
5282 } else if (page < 0)
5283 page = page + n_pages;
5285 if (ev_view_find_get_n_results (view, page) > 0) {
5286 ev_document_model_set_page (view->model, page);
5293 ev_view_find_changed (EvView *view, GList **results, gint page)
5295 view->find_pages = results;
5297 if (view->jump_to_find_result == TRUE) {
5298 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
5299 jump_to_find_result (view);
5302 if (view->current_page == page)
5303 gtk_widget_queue_draw (GTK_WIDGET (view));
5307 ev_view_find_next (EvView *view)
5311 n_results = ev_view_find_get_n_results (view, view->current_page);
5312 view->find_result++;
5314 if (view->find_result >= n_results) {
5315 view->find_result = 0;
5316 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
5317 jump_to_find_result (view);
5319 jump_to_find_result (view);
5320 gtk_widget_queue_draw (GTK_WIDGET (view));
5325 ev_view_find_previous (EvView *view)
5327 view->find_result--;
5329 if (view->find_result < 0) {
5330 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
5331 view->find_result = MAX (0, ev_view_find_get_n_results (view, view->current_page) - 1);
5332 jump_to_find_result (view);
5334 jump_to_find_result (view);
5335 gtk_widget_queue_draw (GTK_WIDGET (view));
5340 ev_view_find_search_changed (EvView *view)
5342 /* search string has changed, focus on new search result */
5343 view->jump_to_find_result = TRUE;
5344 view->find_pages = NULL;
5348 ev_view_find_set_highlight_search (EvView *view, gboolean value)
5350 view->highlight_find_results = value;
5351 gtk_widget_queue_draw (GTK_WIDGET (view));
5355 ev_view_find_cancel (EvView *view)
5357 view->find_pages = NULL;
5362 ev_view_highlight_forward_search (EvView *view,
5367 GdkRectangle view_rect;
5369 if (!ev_document_has_synctex (view->document))
5372 mapping = ev_document_synctex_forward_search (view->document, link);
5376 if (view->synctex_result)
5377 g_free (view->synctex_result);
5378 view->synctex_result = mapping;
5380 page = GPOINTER_TO_INT (mapping->data);
5381 ev_document_model_set_page (view->model, page);
5383 doc_rect_to_view_rect (view, page, &mapping->area, &view_rect);
5384 ensure_rectangle_is_visible (view, &view_rect);
5385 gtk_widget_queue_draw (GTK_WIDGET (view));
5388 /*** Selections ***/
5390 /* compute_new_selection_rect/text calculates the area currently selected by
5391 * view_rect. each handles a different mode;
5394 compute_new_selection_rect (EvView *view,
5398 GdkRectangle view_rect;
5402 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
5404 view_rect.x = MIN (start->x, stop->x);
5405 view_rect.y = MIN (start->y, stop->y);
5406 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
5407 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
5409 n_pages = ev_document_get_n_pages (view->document);
5411 for (i = 0; i < n_pages; i++) {
5412 GdkRectangle page_area;
5415 if (ev_view_get_page_extents (view, i, &page_area, &border)) {
5416 GdkRectangle overlap;
5418 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
5419 EvViewSelection *selection;
5421 selection = g_new0 (EvViewSelection, 1);
5422 selection->page = i;
5423 view_rect_to_doc_rect (view, &overlap, &page_area,
5424 &(selection->rect));
5426 list = g_list_append (list, selection);
5435 gdk_rectangle_point_in (GdkRectangle *rectangle,
5438 return rectangle->x <= point->x &&
5439 rectangle->y <= point->y &&
5440 point->x < rectangle->x + rectangle->width &&
5441 point->y < rectangle->y + rectangle->height;
5445 compute_new_selection_text (EvView *view,
5446 EvSelectionStyle style,
5450 int n_pages, i, first, last;
5452 EvViewSelection *selection;
5453 gdouble width, height;
5454 int start_page, end_page;
5456 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
5458 n_pages = ev_document_get_n_pages (view->document);
5460 /* First figure out the range of pages the selection
5464 if (view->continuous) {
5467 } else if (view->dual_page) {
5468 start_page = view->start_page;
5469 end_page = view->end_page + 1;
5471 start_page = view->current_page;
5472 end_page = view->current_page + 1;
5475 for (i = start_page; i < end_page; i++) {
5476 GdkRectangle page_area;
5479 ev_view_get_page_extents (view, i, &page_area, &border);
5480 if (gdk_rectangle_point_in (&page_area, start) ||
5481 gdk_rectangle_point_in (&page_area, stop)) {
5482 if (first == n_pages)
5489 /* Now create a list of EvViewSelection's for the affected
5490 * pages. This could be an empty list, a list of just one
5491 * page or a number of pages.*/
5492 for (i = first; i < last + 1; i++) {
5493 GdkRectangle page_area;
5497 get_doc_page_size (view, i, &width, &height);
5499 selection = g_new0 (EvViewSelection, 1);
5500 selection->page = i;
5501 selection->style = style;
5502 selection->rect.x1 = selection->rect.y1 = 0;
5503 selection->rect.x2 = width;
5504 selection->rect.y2 = height;
5506 ev_view_get_page_extents (view, i, &page_area, &border);
5508 if (gdk_rectangle_point_in (&page_area, start))
5514 view_point_to_doc_point (view, point, &page_area,
5515 &selection->rect.x1,
5516 &selection->rect.y1);
5518 /* If the selection is contained within just one page,
5519 * make sure we don't write 'start' into both points
5520 * in selection->rect. */
5525 view_point_to_doc_point (view, point, &page_area,
5526 &selection->rect.x2,
5527 &selection->rect.y2);
5529 list = g_list_append (list, selection);
5535 /* This function takes the newly calculated list, and figures out which regions
5536 * have changed. It then queues a redraw approporiately.
5539 merge_selection_region (EvView *view,
5543 GList *new_list_ptr, *old_list_ptr;
5545 /* Update the selection */
5546 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
5547 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5548 g_list_free (view->selection_info.selections);
5549 view->selection_info.selections = new_list;
5550 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
5551 g_signal_emit (view, signals[SIGNAL_SELECTION_CHANGED], 0, NULL);
5553 new_list_ptr = new_list;
5554 old_list_ptr = old_list;
5556 while (new_list_ptr || old_list_ptr) {
5557 EvViewSelection *old_sel, *new_sel;
5559 cairo_region_t *region = NULL;
5561 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
5562 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
5564 /* Assume that the lists are in order, and we run through them
5565 * comparing them, one page at a time. We come out with the
5566 * first page we see. */
5567 if (new_sel && old_sel) {
5568 if (new_sel->page < old_sel->page) {
5569 new_list_ptr = new_list_ptr->next;
5571 } else if (new_sel->page > old_sel->page) {
5572 old_list_ptr = old_list_ptr->next;
5575 new_list_ptr = new_list_ptr->next;
5576 old_list_ptr = old_list_ptr->next;
5578 } else if (new_sel) {
5579 new_list_ptr = new_list_ptr->next;
5580 } else if (old_sel) {
5581 old_list_ptr = old_list_ptr->next;
5584 g_assert (new_sel || old_sel);
5586 /* is the page we're looking at on the screen?*/
5587 cur_page = new_sel ? new_sel->page : old_sel->page;
5588 if (cur_page < view->start_page || cur_page > view->end_page)
5591 /* seed the cache with a new page. We are going to need the new
5594 cairo_region_t *tmp_region = NULL;
5596 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
5601 if (tmp_region && !cairo_region_is_empty (tmp_region)) {
5602 new_sel->covered_region = cairo_region_reference (tmp_region);
5606 /* Now we figure out what needs redrawing */
5607 if (old_sel && new_sel) {
5608 if (old_sel->covered_region && new_sel->covered_region) {
5609 cairo_region_t *tbr;
5611 /* We only want to redraw the areas that have
5612 * changed, so we xor the old and new regions
5613 * and redraw if it's different */
5614 region = cairo_region_copy (old_sel->covered_region);
5615 tbr = cairo_region_copy (new_sel->covered_region);
5617 /* xor old_sel, new_sel*/
5618 cairo_region_subtract (tbr, region);
5619 cairo_region_subtract (region, new_sel->covered_region);
5620 cairo_region_union (region, tbr);
5621 cairo_region_destroy (tbr);
5623 if (cairo_region_is_empty (region)) {
5624 cairo_region_destroy (region);
5627 gint num_rectangles = cairo_region_num_rectangles (region);
5630 /* We need to make the damage region a little bigger
5631 * because the edges of the old selection might change
5633 cairo_region_get_rectangle (region, 0, &r);
5636 cairo_region_union_rectangle (region, &r);
5638 cairo_region_get_rectangle (region, num_rectangles - 1, &r);
5641 cairo_region_union_rectangle (region, &r);
5643 } else if (old_sel->covered_region) {
5644 region = cairo_region_copy (old_sel->covered_region);
5645 } else if (new_sel->covered_region) {
5646 region = cairo_region_copy (new_sel->covered_region);
5648 } else if (old_sel && !new_sel) {
5649 if (old_sel->covered_region && !cairo_region_is_empty (old_sel->covered_region)) {
5650 region = cairo_region_copy (old_sel->covered_region);
5652 } else if (!old_sel && new_sel) {
5653 if (new_sel->covered_region && !cairo_region_is_empty (new_sel->covered_region)) {
5654 region = cairo_region_copy (new_sel->covered_region);
5657 g_assert_not_reached ();
5660 /* Redraw the damaged region! */
5662 GdkWindow *bin_window;
5663 GdkRectangle page_area;
5666 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
5667 ev_view_get_page_extents (view, cur_page, &page_area, &border);
5668 cairo_region_translate (region,
5669 page_area.x + border.left - view->scroll_x,
5670 page_area.y + border.top - view->scroll_y);
5671 gdk_window_invalidate_region (bin_window, region, TRUE);
5672 cairo_region_destroy (region);
5676 /* Free the old list, now that we're done with it. */
5677 g_list_foreach (old_list, (GFunc) selection_free, NULL);
5678 g_list_free (old_list);
5682 compute_selections (EvView *view,
5683 EvSelectionStyle style,
5689 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
5690 list = compute_new_selection_rect (view, start, stop);
5692 list = compute_new_selection_text (view, style, start, stop);
5693 merge_selection_region (view, list);
5696 /* Free's the selection. It's up to the caller to queue redraws if needed.
5699 selection_free (EvViewSelection *selection)
5701 if (selection->covered_region)
5702 cairo_region_destroy (selection->covered_region);
5707 clear_selection (EvView *view)
5709 if (view->selection_info.selections) {
5710 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5711 g_list_free (view->selection_info.selections);
5712 view->selection_info.selections = NULL;
5714 g_signal_emit (view, signals[SIGNAL_SELECTION_CHANGED], 0, NULL);
5716 view->selection_info.in_selection = FALSE;
5717 if (view->pixbuf_cache)
5718 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
5722 ev_view_select_all (EvView *view)
5724 GList *selections = NULL;
5727 /* Disable selection on rotated pages for the 0.4.0 series */
5728 if (view->rotation != 0)
5731 clear_selection (view);
5733 n_pages = ev_document_get_n_pages (view->document);
5734 for (i = 0; i < n_pages; i++) {
5735 gdouble width, height;
5736 EvViewSelection *selection;
5738 get_doc_page_size (view, i, &width, &height);
5740 selection = g_new0 (EvViewSelection, 1);
5741 selection->page = i;
5742 selection->style = EV_SELECTION_STYLE_GLYPH;
5743 selection->rect.x1 = selection->rect.y1 = 0;
5744 selection->rect.x2 = width;
5745 selection->rect.y2 = height;
5747 selections = g_list_append (selections, selection);
5750 merge_selection_region (view, selections);
5751 gtk_widget_queue_draw (GTK_WIDGET (view));
5755 ev_view_get_has_selection (EvView *view)
5757 return view->selection_info.selections != NULL;
5761 get_selected_text (EvView *view)
5765 gchar *normalized_text;
5767 text = g_string_new (NULL);
5769 ev_document_doc_mutex_lock ();
5771 for (l = view->selection_info.selections; l != NULL; l = l->next) {
5772 EvViewSelection *selection = (EvViewSelection *)l->data;
5776 page = ev_document_get_page (view->document, selection->page);
5777 tmp = ev_selection_get_selected_text (EV_SELECTION (view->document),
5778 page, selection->style,
5779 &(selection->rect));
5780 g_object_unref (page);
5781 g_string_append (text, tmp);
5785 ev_document_doc_mutex_unlock ();
5787 normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC);
5788 g_string_free (text, TRUE);
5789 return normalized_text;
5793 ev_view_clipboard_copy (EvView *view,
5796 GtkClipboard *clipboard;
5798 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
5799 GDK_SELECTION_CLIPBOARD);
5800 gtk_clipboard_set_text (clipboard, text, -1);
5804 ev_view_copy (EvView *ev_view)
5808 if (!EV_IS_SELECTION (ev_view->document))
5811 text = get_selected_text (ev_view);
5812 ev_view_clipboard_copy (ev_view, text);
5817 ev_view_primary_get_cb (GtkClipboard *clipboard,
5818 GtkSelectionData *selection_data,
5822 EvView *ev_view = EV_VIEW (data);
5824 if (ev_view->link_selected) {
5825 gtk_selection_data_set_text (selection_data,
5826 ev_link_action_get_uri (ev_view->link_selected),
5828 } else if (EV_IS_SELECTION (ev_view->document) &&
5829 ev_view->selection_info.selections) {
5832 text = get_selected_text (ev_view);
5834 gtk_selection_data_set_text (selection_data, text, -1);
5841 ev_view_primary_clear_cb (GtkClipboard *clipboard,
5844 EvView *view = EV_VIEW (data);
5846 clear_selection (view);
5847 clear_link_selected (view);
5851 ev_view_update_primary_selection (EvView *ev_view)
5853 GtkClipboard *clipboard;
5855 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
5856 GDK_SELECTION_PRIMARY);
5858 if (ev_view->selection_info.selections || ev_view->link_selected) {
5859 GtkTargetList *target_list;
5860 GtkTargetEntry *targets;
5863 target_list = gtk_target_list_new (NULL, 0);
5864 gtk_target_list_add_text_targets (target_list, 0);
5865 targets = gtk_target_table_new_from_list (target_list, &n_targets);
5866 gtk_target_list_unref (target_list);
5868 if (!gtk_clipboard_set_with_owner (clipboard,
5870 ev_view_primary_get_cb,
5871 ev_view_primary_clear_cb,
5872 G_OBJECT (ev_view)))
5873 ev_view_primary_clear_cb (clipboard, ev_view);
5875 gtk_target_table_free (targets, n_targets);
5877 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
5878 gtk_clipboard_clear (clipboard);
5883 clear_link_selected (EvView *view)
5885 if (view->link_selected) {
5886 g_object_unref (view->link_selected);
5887 view->link_selected = NULL;
5892 ev_view_copy_link_address (EvView *view,
5893 EvLinkAction *action)
5895 clear_link_selected (view);
5897 ev_view_clipboard_copy (view, ev_link_action_get_uri (action));
5899 view->link_selected = g_object_ref (action);
5900 ev_view_update_primary_selection (view);
5903 /*** Cursor operations ***/
5905 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
5907 GdkCursor *cursor = NULL;
5909 GdkWindow *bin_window;
5911 if (view->cursor == new_cursor) {
5915 view->cursor = new_cursor;
5917 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
5918 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
5919 cursor = ev_view_cursor_new (gtk_widget_get_display (widget), new_cursor);
5920 gdk_window_set_cursor (bin_window, cursor);
5923 gdk_cursor_unref (cursor);
5927 ev_view_hide_cursor (EvView *view)
5929 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
5933 ev_view_show_cursor (EvView *view)
5935 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
5939 ev_view_next_page (EvView *view)
5943 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5945 if (!view->document)
5948 page = ev_document_model_get_page (view->model);
5949 n_pages = ev_document_get_n_pages (view->document);
5951 if (view->dual_page)
5956 if (page < n_pages) {
5957 ev_document_model_set_page (view->model, page);
5959 } else if (view->dual_page && page == n_pages) {
5960 ev_document_model_set_page (view->model, page - 1);
5968 ev_view_previous_page (EvView *view)
5972 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5974 if (!view->document)
5977 page = ev_document_model_get_page (view->model);
5979 if (view->dual_page)
5985 ev_document_model_set_page (view->model, page);
5987 } else if (view->dual_page && page == -1) {
5988 ev_document_model_set_page (view->model, 0);