1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
2 /* this file is part of evince, a gnome document viewer
4 * Copyright (C) 2004 Red Hat, Inc
6 * Evince is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Evince is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
27 #include <glib/gi18n-lib.h>
29 #include <gdk/gdkkeysyms.h>
31 #include "ev-mapping-list.h"
32 #include "ev-document-forms.h"
33 #include "ev-document-images.h"
34 #include "ev-document-links.h"
35 #include "ev-document-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 EvMappingList *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 EvMappingList *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 EvMappingList *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 EvMappingList *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 EvMappingList *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 EvMappingList *forms_mapping;
1969 state = ev_document_forms_form_field_button_get_state (EV_DOCUMENT_FORMS (view->document),
1972 /* FIXME: it actually depends on NoToggleToOff flags */
1973 if (field_button->type == EV_FORM_FIELD_BUTTON_RADIO &&
1974 state && field_button->state)
1977 field_region = ev_view_form_field_get_region (view, field);
1979 /* For radio buttons and checkbox buttons that are in a set
1980 * we need to update also the region for the current selected item
1982 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
1983 field->page->index);
1984 for (l = ev_mapping_list_get_list (forms_mapping); l; l = g_list_next (l)) {
1985 EvFormField *button = ((EvMapping *)(l->data))->data;
1986 cairo_region_t *button_region;
1988 if (button->id == field->id)
1991 /* FIXME: only buttons in the same group should be updated */
1992 if (!EV_IS_FORM_FIELD_BUTTON (button) ||
1993 EV_FORM_FIELD_BUTTON (button)->type != field_button->type ||
1994 EV_FORM_FIELD_BUTTON (button)->state != TRUE)
1997 button_region = ev_view_form_field_get_region (view, button);
1998 cairo_region_union (field_region, button_region);
1999 cairo_region_destroy (button_region);
2002 ev_document_forms_form_field_button_set_state (EV_DOCUMENT_FORMS (view->document),
2004 field_button->state = !state;
2009 ev_view_reload_page (view, field->page->index, field_region);
2010 cairo_region_destroy (field_region);
2016 ev_view_form_field_text_save (EvView *view,
2021 if (!view->document)
2024 field = g_object_get_data (G_OBJECT (widget), "form-field");
2026 if (field->changed) {
2027 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2028 cairo_region_t *field_region;
2030 field_region = ev_view_form_field_get_region (view, field);
2032 ev_document_forms_form_field_text_set_text (EV_DOCUMENT_FORMS (view->document),
2033 field, field_text->text);
2034 field->changed = FALSE;
2035 ev_view_reload_page (view, field->page->index, field_region);
2036 cairo_region_destroy (field_region);
2041 ev_view_form_field_text_changed (GtkWidget *widget,
2044 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2047 if (GTK_IS_ENTRY (widget)) {
2048 text = g_strdup (gtk_entry_get_text (GTK_ENTRY (widget)));
2049 } else if (GTK_IS_TEXT_BUFFER (widget)) {
2050 GtkTextIter start, end;
2052 gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (widget), &start, &end);
2053 text = gtk_text_buffer_get_text (GTK_TEXT_BUFFER (widget),
2054 &start, &end, FALSE);
2057 if (!field_text->text ||
2058 (field_text->text && g_ascii_strcasecmp (field_text->text, text) != 0)) {
2059 g_free (field_text->text);
2060 field_text->text = text;
2061 field->changed = TRUE;
2066 ev_view_form_field_text_create_widget (EvView *view,
2069 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2070 GtkWidget *text = NULL;
2073 txt = ev_document_forms_form_field_text_get_text (EV_DOCUMENT_FORMS (view->document),
2076 switch (field_text->type) {
2077 case EV_FORM_FIELD_TEXT_FILE_SELECT:
2079 case EV_FORM_FIELD_TEXT_NORMAL:
2080 text = gtk_entry_new ();
2081 gtk_entry_set_has_frame (GTK_ENTRY (text), FALSE);
2082 gtk_entry_set_max_length (GTK_ENTRY (text), field_text->max_len);
2083 gtk_entry_set_visibility (GTK_ENTRY (text), !field_text->is_password);
2086 gtk_entry_set_text (GTK_ENTRY (text), txt);
2090 g_signal_connect (text, "changed",
2091 G_CALLBACK (ev_view_form_field_text_changed),
2093 g_signal_connect_after (text, "activate",
2094 G_CALLBACK (ev_view_form_field_destroy),
2097 case EV_FORM_FIELD_TEXT_MULTILINE: {
2098 GtkTextBuffer *buffer;
2100 text = gtk_text_view_new ();
2101 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text));
2104 gtk_text_buffer_set_text (buffer, txt, -1);
2108 g_signal_connect (buffer, "changed",
2109 G_CALLBACK (ev_view_form_field_text_changed),
2115 g_object_weak_ref (G_OBJECT (text),
2116 (GWeakNotify)ev_view_form_field_text_save,
2123 ev_view_form_field_choice_save (EvView *view,
2128 if (!view->document)
2131 field = g_object_get_data (G_OBJECT (widget), "form-field");
2133 if (field->changed) {
2135 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2136 cairo_region_t *field_region;
2138 field_region = ev_view_form_field_get_region (view, field);
2140 if (field_choice->is_editable) {
2141 ev_document_forms_form_field_choice_set_text (EV_DOCUMENT_FORMS (view->document),
2142 field, field_choice->text);
2144 ev_document_forms_form_field_choice_unselect_all (EV_DOCUMENT_FORMS (view->document), field);
2145 for (l = field_choice->selected_items; l; l = g_list_next (l)) {
2146 ev_document_forms_form_field_choice_select_item (EV_DOCUMENT_FORMS (view->document),
2148 GPOINTER_TO_INT (l->data));
2151 field->changed = FALSE;
2152 ev_view_reload_page (view, field->page->index, field_region);
2153 cairo_region_destroy (field_region);
2158 ev_view_form_field_choice_changed (GtkWidget *widget,
2161 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2163 if (GTK_IS_COMBO_BOX (widget)) {
2166 item = gtk_combo_box_get_active (GTK_COMBO_BOX (widget));
2167 if (!field_choice->selected_items ||
2168 GPOINTER_TO_INT (field_choice->selected_items->data) != item) {
2169 g_list_free (field_choice->selected_items);
2170 field_choice->selected_items = NULL;
2171 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2172 GINT_TO_POINTER (item));
2173 field->changed = TRUE;
2176 if (GTK_IS_COMBO_BOX_ENTRY (widget)) {
2179 text = gtk_combo_box_get_active_text (GTK_COMBO_BOX (widget));
2180 if (!field_choice->text ||
2181 (field_choice->text && g_ascii_strcasecmp (field_choice->text, text) != 0)) {
2182 g_free (field_choice->text);
2183 field_choice->text = text;
2184 field->changed = TRUE;
2187 } else if (GTK_IS_TREE_SELECTION (widget)) {
2188 GtkTreeSelection *selection = GTK_TREE_SELECTION (widget);
2189 GtkTreeModel *model;
2192 items = gtk_tree_selection_get_selected_rows (selection, &model);
2193 g_list_free (field_choice->selected_items);
2194 field_choice->selected_items = NULL;
2196 for (l = items; l && l->data; l = g_list_next (l)) {
2198 GtkTreePath *path = (GtkTreePath *)l->data;
2201 gtk_tree_model_get_iter (model, &iter, path);
2202 gtk_tree_model_get (model, &iter, 1, &item, -1);
2204 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2205 GINT_TO_POINTER (item));
2207 gtk_tree_path_free (path);
2210 g_list_free (items);
2212 field->changed = TRUE;
2217 ev_view_form_field_choice_create_widget (EvView *view,
2220 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2222 GtkTreeModel *model;
2224 gint selected_item = 0;
2226 n_items = ev_document_forms_form_field_choice_get_n_items (EV_DOCUMENT_FORMS (view->document),
2228 model = GTK_TREE_MODEL (gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT));
2229 for (i = 0; i < n_items; i++) {
2233 item = ev_document_forms_form_field_choice_get_item (EV_DOCUMENT_FORMS (view->document),
2235 if (ev_document_forms_form_field_choice_is_item_selected (
2236 EV_DOCUMENT_FORMS (view->document), field, i)) {
2238 /* FIXME: we need a get_selected_items function in poppler */
2239 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2240 GINT_TO_POINTER (i));
2244 gtk_list_store_append (GTK_LIST_STORE (model), &iter);
2245 gtk_list_store_set (GTK_LIST_STORE (model), &iter,
2253 if (field_choice->type == EV_FORM_FIELD_CHOICE_LIST) {
2254 GtkCellRenderer *renderer;
2255 GtkWidget *tree_view;
2256 GtkTreeSelection *selection;
2258 tree_view = gtk_tree_view_new_with_model (model);
2259 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);
2261 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
2262 if (field_choice->multi_select) {
2263 gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
2266 /* TODO: set selected items */
2268 renderer = gtk_cell_renderer_text_new ();
2269 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
2275 choice = gtk_scrolled_window_new (NULL, NULL);
2276 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (choice),
2277 GTK_POLICY_AUTOMATIC,
2278 GTK_POLICY_AUTOMATIC);
2279 gtk_container_add (GTK_CONTAINER (choice), tree_view);
2280 gtk_widget_show (tree_view);
2282 g_signal_connect (selection, "changed",
2283 G_CALLBACK (ev_view_form_field_choice_changed),
2285 g_signal_connect_after (selection, "changed",
2286 G_CALLBACK (ev_view_form_field_destroy),
2288 } else if (field_choice->is_editable) { /* ComboBoxEntry */
2291 choice = gtk_combo_box_entry_new_with_model (model, 0);
2292 text = ev_document_forms_form_field_choice_get_text (EV_DOCUMENT_FORMS (view->document), field);
2294 gtk_entry_set_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (choice))), text);
2298 g_signal_connect (choice, "changed",
2299 G_CALLBACK (ev_view_form_field_choice_changed),
2301 g_signal_connect_after (gtk_bin_get_child (GTK_BIN (choice)),
2303 G_CALLBACK (ev_view_form_field_destroy),
2305 } else { /* ComboBoxText */
2306 GtkCellRenderer *renderer;
2308 choice = gtk_combo_box_new_with_model (model);
2309 renderer = gtk_cell_renderer_text_new ();
2310 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (choice),
2312 gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (choice),
2316 gtk_combo_box_set_active (GTK_COMBO_BOX (choice), selected_item);
2317 gtk_combo_box_popup (GTK_COMBO_BOX (choice));
2319 g_signal_connect (choice, "changed",
2320 G_CALLBACK (ev_view_form_field_choice_changed),
2322 g_signal_connect_after (choice, "changed",
2323 G_CALLBACK (ev_view_form_field_destroy),
2327 g_object_unref (model);
2329 g_object_weak_ref (G_OBJECT (choice),
2330 (GWeakNotify)ev_view_form_field_choice_save,
2337 ev_view_handle_form_field (EvView *view,
2342 GtkWidget *field_widget = NULL;
2343 EvMappingList *form_field_mapping;
2344 GdkRectangle view_area;
2346 if (field->is_read_only)
2349 if (EV_IS_FORM_FIELD_BUTTON (field)) {
2350 field_widget = ev_view_form_field_button_create_widget (view, field);
2351 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
2352 field_widget = ev_view_form_field_text_create_widget (view, field);
2353 } else if (EV_IS_FORM_FIELD_CHOICE (field)) {
2354 field_widget = ev_view_form_field_choice_create_widget (view, field);
2355 } else if (EV_IS_FORM_FIELD_SIGNATURE (field)) {
2359 /* Form field doesn't require a widget */
2363 g_object_set_data_full (G_OBJECT (field_widget), "form-field",
2364 g_object_ref (field),
2365 (GDestroyNotify)g_object_unref);
2367 form_field_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
2368 field->page->index);
2369 ev_view_get_area_from_mapping (view, field->page->index,
2373 gtk_layout_put (GTK_LAYOUT (view), field_widget, view_area.x, view_area.y);
2374 gtk_widget_show (field_widget);
2375 gtk_widget_grab_focus (field_widget);
2379 static EvViewWindowChild *
2380 ev_view_get_window_child (EvView *view,
2383 GList *children = view->window_children;
2386 EvViewWindowChild *child;
2388 child = (EvViewWindowChild *)children->data;
2389 children = children->next;
2391 if (child->window == window)
2399 ev_view_window_child_move (EvView *view,
2400 EvViewWindowChild *child,
2404 GtkAllocation allocation;
2407 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
2408 gtk_window_get_size (GTK_WINDOW (child->window), &width, &height);
2412 gtk_window_move (GTK_WINDOW (child->window),
2413 CLAMP (x, child->parent_x,
2414 child->parent_x + allocation.width - width),
2415 CLAMP (y, child->parent_y,
2416 child->parent_y + allocation.height - height));
2420 ev_view_window_child_move_with_parent (EvView *view,
2423 EvViewWindowChild *child;
2424 gint root_x, root_y;
2426 child = ev_view_get_window_child (view, window);
2427 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2429 if (root_x != child->parent_x || root_y != child->parent_y) {
2430 gint dest_x, dest_y;
2432 dest_x = child->x + (root_x - child->parent_x);
2433 dest_y = child->y + (root_y - child->parent_y);
2434 child->parent_x = root_x;
2435 child->parent_y = root_y;
2436 ev_view_window_child_move (view, child, dest_x, dest_y);
2439 if (child->visible && !gtk_widget_get_visible (window))
2440 gtk_widget_show (window);
2444 ev_view_window_child_put (EvView *view,
2452 EvViewWindowChild *child;
2453 gint root_x, root_y;
2455 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2458 child = g_new0 (EvViewWindowChild, 1);
2459 child->window = window;
2461 child->orig_x = orig_x;
2462 child->orig_y = orig_y;
2463 child->parent_x = root_x;
2464 child->parent_y = root_y;
2465 child->visible = ev_annotation_window_is_open (EV_ANNOTATION_WINDOW (window));
2466 ev_view_window_child_move (view, child, x + root_x, y + root_y);
2469 gtk_widget_show (window);
2471 gtk_widget_hide (window);
2473 view->window_children = g_list_append (view->window_children, child);
2476 static EvViewWindowChild *
2477 ev_view_find_window_child_for_annot (EvView *view,
2479 EvAnnotation *annot)
2481 GList *children = view->window_children;
2484 EvViewWindowChild *child;
2485 EvAnnotation *wannot;
2487 child = (EvViewWindowChild *)children->data;
2488 children = children->next;
2490 if (child->page != page)
2493 wannot = ev_annotation_window_get_annotation (EV_ANNOTATION_WINDOW (child->window));
2494 if (wannot == annot || strcmp (wannot->name, annot->name) == 0)
2502 ev_view_window_children_free (EvView *view)
2506 if (!view->window_children)
2509 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
2510 EvViewWindowChild *child;
2512 child = (EvViewWindowChild *)l->data;
2513 gtk_widget_destroy (GTK_WIDGET (child->window));
2516 g_list_free (view->window_children);
2517 view->window_children = NULL;
2518 view->window_child_focus = NULL;
2522 annotation_window_grab_focus (GtkWidget *widget,
2525 if (view->window_child_focus)
2526 ev_annotation_window_ungrab_focus (EV_ANNOTATION_WINDOW (view->window_child_focus->window));
2527 view->window_child_focus = ev_view_get_window_child (view, widget);
2531 annotation_window_closed (EvAnnotationWindow *window,
2534 EvViewWindowChild *child;
2536 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2537 child->visible = FALSE;
2541 annotation_window_moved (EvAnnotationWindow *window,
2546 EvViewWindowChild *child;
2547 GdkRectangle page_area;
2549 GdkRectangle view_rect;
2550 EvRectangle doc_rect;
2553 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2554 if (child->x == x && child->y == y)
2557 child->moved = TRUE;
2561 /* Window has been moved by the user,
2562 * we have to set a new origin in doc coords
2564 gtk_window_get_size (GTK_WINDOW (window), &width, &height);
2565 view_rect.x = (x - child->parent_x) + view->scroll_x;
2566 view_rect.y = (y - child->parent_y) + view->scroll_y;
2567 view_rect.width = width;
2568 view_rect.height = height;
2570 ev_view_get_page_extents (view, child->page, &page_area, &border);
2571 view_rect_to_doc_rect (view, &view_rect, &page_area, &doc_rect);
2572 child->orig_x = doc_rect.x1;
2573 child->orig_y = doc_rect.y1;
2577 ev_view_annotation_save (EvView *view,
2578 EvAnnotation *annot)
2580 if (!view->document)
2583 if (!annot->changed)
2586 ev_document_annotations_annotation_set_contents (EV_DOCUMENT_ANNOTATIONS (view->document),
2587 annot, annot->contents);
2588 annot->changed = FALSE;
2592 show_annotation_windows (EvView *view,
2595 EvMappingList *annots;
2599 parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
2601 annots = ev_page_cache_get_annot_mapping (view->page_cache, page);
2603 for (l = ev_mapping_list_get_list (annots); l && l->data; l = g_list_next (l)) {
2604 EvAnnotation *annot;
2605 EvViewWindowChild *child;
2607 EvRectangle *doc_rect;
2608 GdkRectangle view_rect;
2610 annot = ((EvMapping *)(l->data))->data;
2612 if (!EV_IS_ANNOTATION_MARKUP (annot))
2615 if (!ev_annotation_markup_has_popup (EV_ANNOTATION_MARKUP (annot)))
2618 window = g_object_get_data (G_OBJECT (annot), "popup");
2620 ev_view_window_child_move_with_parent (view, window);
2624 /* Look if we already have a popup for this annot */
2625 child = ev_view_find_window_child_for_annot (view, page, annot);
2626 window = child ? child->window : NULL;
2628 ev_annotation_window_set_annotation (EV_ANNOTATION_WINDOW (window), annot);
2629 g_object_set_data (G_OBJECT (annot), "popup", window);
2630 ev_view_window_child_move_with_parent (view, window);
2632 window = ev_annotation_window_new (annot, parent);
2633 g_signal_connect (window, "grab_focus",
2634 G_CALLBACK (annotation_window_grab_focus),
2636 g_signal_connect (window, "closed",
2637 G_CALLBACK (annotation_window_closed),
2639 g_signal_connect (window, "moved",
2640 G_CALLBACK (annotation_window_moved),
2642 g_object_set_data (G_OBJECT (annot), "popup", window);
2644 doc_rect = (EvRectangle *)ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (window));
2645 doc_rect_to_view_rect (view, page, doc_rect, &view_rect);
2646 view_rect.x -= view->scroll_x;
2647 view_rect.y -= view->scroll_y;
2649 ev_view_window_child_put (view, window, page,
2650 view_rect.x, view_rect.y,
2651 doc_rect->x1, doc_rect->y1);
2653 g_object_weak_ref (G_OBJECT (annot),
2654 (GWeakNotify)ev_view_annotation_save,
2661 hide_annotation_windows (EvView *view,
2664 EvMappingList *annots;
2667 annots = ev_page_cache_get_annot_mapping (view->page_cache, page);
2669 for (l = ev_mapping_list_get_list (annots); l && l->data; l = g_list_next (l)) {
2670 EvAnnotation *annot;
2673 annot = ((EvMapping *)(l->data))->data;
2675 if (!EV_IS_ANNOTATION_MARKUP (annot))
2678 window = g_object_get_data (G_OBJECT (annot), "popup");
2680 gtk_widget_hide (window);
2684 static EvAnnotation *
2685 ev_view_get_annotation_at_location (EvView *view,
2690 gint x_new = 0, y_new = 0;
2691 EvMappingList *annotations_mapping;
2693 if (!EV_IS_DOCUMENT_ANNOTATIONS (view->document))
2696 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
2699 annotations_mapping = ev_page_cache_get_annot_mapping (view->page_cache, page);
2701 if (annotations_mapping)
2702 return ev_mapping_list_get_data (annotations_mapping, x_new, y_new);
2708 ev_view_handle_annotation (EvView *view,
2709 EvAnnotation *annot,
2714 if (EV_IS_ANNOTATION_MARKUP (annot)) {
2717 window = g_object_get_data (G_OBJECT (annot), "popup");
2719 EvViewWindowChild *child;
2721 child = ev_view_get_window_child (view, window);
2722 if (!child->visible) {
2723 child->visible = TRUE;
2724 ev_view_window_child_move (view, child, child->x, child->y);
2725 gtk_widget_show (window);
2730 if (EV_IS_ANNOTATION_ATTACHMENT (annot)) {
2731 EvAttachment *attachment = EV_ANNOTATION_ATTACHMENT (annot)->attachment;
2734 GError *error = NULL;
2736 ev_attachment_open (attachment,
2737 gtk_widget_get_screen (GTK_WIDGET (view)),
2742 g_warning ("%s", error->message);
2743 g_error_free (error);
2750 ev_view_synctex_backward_search (EvView *view,
2755 gint x_new = 0, y_new = 0;
2758 if (!ev_document_has_synctex (view->document))
2761 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
2764 link = ev_document_synctex_backward_search (view->document, page, x_new, y_new);
2766 g_signal_emit (view, signals[SIGNAL_SYNC_SOURCE], 0, link);
2775 /*** GtkWidget implementation ***/
2778 ev_view_size_request_continuous_dual_page (EvView *view,
2779 GtkRequisition *requisition)
2783 n_pages = ev_document_get_n_pages (view->document) + 1;
2784 get_page_y_offset (view, n_pages, &requisition->height);
2786 switch (view->sizing_mode) {
2787 case EV_SIZING_FIT_WIDTH:
2788 case EV_SIZING_BEST_FIT:
2789 requisition->width = 1;
2792 case EV_SIZING_FREE: {
2796 ev_view_get_max_page_size (view, &max_width, NULL);
2797 compute_border (view, max_width, max_width, &border);
2798 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
2802 g_assert_not_reached ();
2807 ev_view_size_request_continuous (EvView *view,
2808 GtkRequisition *requisition)
2812 n_pages = ev_document_get_n_pages (view->document);
2813 get_page_y_offset (view, n_pages, &requisition->height);
2815 switch (view->sizing_mode) {
2816 case EV_SIZING_FIT_WIDTH:
2817 case EV_SIZING_BEST_FIT:
2818 requisition->width = 1;
2821 case EV_SIZING_FREE: {
2825 ev_view_get_max_page_size (view, &max_width, NULL);
2826 compute_border (view, max_width, max_width, &border);
2827 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
2831 g_assert_not_reached ();
2836 ev_view_size_request_dual_page (EvView *view,
2837 GtkRequisition *requisition)
2842 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2843 requisition->width = 1;
2844 requisition->height = 1;
2849 /* Find the largest of the two. */
2850 ev_view_get_page_size (view,
2853 if (view->current_page + 1 < ev_document_get_n_pages (view->document)) {
2854 gint width_2, height_2;
2855 ev_view_get_page_size (view,
2856 view->current_page + 1,
2857 &width_2, &height_2);
2858 if (width_2 > width) {
2863 compute_border (view, width, height, &border);
2865 requisition->width = view->sizing_mode == EV_SIZING_FIT_WIDTH ? 1 :
2866 ((width + border.left + border.right) * 2) + (view->spacing * 3);
2867 requisition->height = (height + border.top + border.bottom) + (view->spacing * 2);
2871 ev_view_size_request_single_page (EvView *view,
2872 GtkRequisition *requisition)
2877 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2878 requisition->width = 1;
2879 requisition->height = 1;
2884 ev_view_get_page_size (view, view->current_page, &width, &height);
2885 compute_border (view, width, height, &border);
2887 requisition->width = view->sizing_mode == EV_SIZING_FIT_WIDTH ? 1 :
2888 width + border.left + border.right + (2 * view->spacing);
2889 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2893 ev_view_size_request (GtkWidget *widget,
2894 GtkRequisition *requisition)
2896 EvView *view = EV_VIEW (widget);
2898 if (view->document == NULL) {
2899 view->requisition.width = 1;
2900 view->requisition.height = 1;
2902 *requisition = view->requisition;
2907 /* Get zoom for size here when not called from
2908 * ev_view_size_allocate()
2910 if (!view->internal_size_request &&
2911 (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2912 view->sizing_mode == EV_SIZING_BEST_FIT)) {
2913 GtkAllocation allocation;
2915 gtk_widget_get_allocation (widget, &allocation);
2916 ev_view_zoom_for_size (view,
2921 if (view->continuous && view->dual_page)
2922 ev_view_size_request_continuous_dual_page (view, &view->requisition);
2923 else if (view->continuous)
2924 ev_view_size_request_continuous (view, &view->requisition);
2925 else if (view->dual_page)
2926 ev_view_size_request_dual_page (view, &view->requisition);
2928 ev_view_size_request_single_page (view, &view->requisition);
2930 *requisition = view->requisition;
2934 ev_view_size_allocate (GtkWidget *widget,
2935 GtkAllocation *allocation)
2937 EvView *view = EV_VIEW (widget);
2938 GList *children, *l;
2939 gint root_x, root_y;
2941 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
2943 if (!view->document)
2946 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2947 view->sizing_mode == EV_SIZING_BEST_FIT) {
2950 ev_view_zoom_for_size (view,
2952 allocation->height);
2953 view->internal_size_request = TRUE;
2954 ev_view_size_request (widget, &req);
2955 view->internal_size_request = FALSE;
2958 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
2959 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
2962 view_update_range_and_current_page (view);
2964 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2965 view->pending_resize = FALSE;
2966 view->pending_point.x = 0;
2967 view->pending_point.y = 0;
2969 children = gtk_container_get_children (GTK_CONTAINER (widget));
2970 for (l = children; l && l->data; l = g_list_next (l)) {
2972 GdkRectangle view_area;
2973 EvMappingList *form_field_mapping;
2974 GtkAllocation child_allocation;
2975 GtkRequisition child_requisition;
2976 GtkWidget *child = (GtkWidget *)l->data;
2978 field = g_object_get_data (G_OBJECT (child), "form-field");
2982 form_field_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
2983 field->page->index);
2984 ev_view_get_area_from_mapping (view, field->page->index,
2988 gtk_widget_size_request (child, &child_requisition);
2989 if (child_requisition.width != view_area.width ||
2990 child_requisition.height != view_area.height)
2991 gtk_widget_set_size_request (child, view_area.width, view_area.height);
2993 gtk_container_child_get (GTK_CONTAINER (widget),
2995 "x", &child_allocation.x,
2996 "y", &child_allocation.y,
2998 if (child_allocation.x != view_area.x ||
2999 child_allocation.y != view_area.y) {
3000 gtk_layout_move (GTK_LAYOUT (widget), child, view_area.x, view_area.y);
3003 g_list_free (children);
3005 if (view->window_children)
3006 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
3009 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
3010 EvViewWindowChild *child;
3011 EvRectangle doc_rect;
3012 GdkRectangle view_rect;
3014 child = (EvViewWindowChild *)l->data;
3016 doc_rect = *ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (child->window));
3018 doc_rect.x1 = child->orig_x;
3019 doc_rect.y1 = child->orig_y;
3021 doc_rect_to_view_rect (view, child->page, &doc_rect, &view_rect);
3022 view_rect.x -= view->scroll_x;
3023 view_rect.y -= view->scroll_y;
3025 if (view_rect.x != child->orig_x || view_rect.y != child->orig_y) {
3026 child->parent_x = root_x;
3027 child->parent_y = root_y;
3028 ev_view_window_child_move (view, child, view_rect.x + root_x, view_rect.y + root_y);
3034 ev_view_realize (GtkWidget *widget)
3036 EvView *view = EV_VIEW (widget);
3037 GdkWindow *bin_window;
3040 if (GTK_WIDGET_CLASS (ev_view_parent_class)->realize)
3041 (* GTK_WIDGET_CLASS (ev_view_parent_class)->realize) (widget);
3043 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
3044 gdk_window_set_events (bin_window,
3045 (gdk_window_get_events (bin_window) |
3047 GDK_BUTTON_PRESS_MASK |
3048 GDK_BUTTON_RELEASE_MASK |
3050 GDK_KEY_PRESS_MASK |
3051 GDK_POINTER_MOTION_MASK |
3052 GDK_POINTER_MOTION_HINT_MASK |
3053 GDK_ENTER_NOTIFY_MASK |
3054 GDK_LEAVE_NOTIFY_MASK));
3056 style = gtk_widget_get_style (widget);
3057 gdk_window_set_background (bin_window, &style->mid[GTK_STATE_NORMAL]);
3059 on_adjustment_value_changed (NULL, view);
3063 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
3065 EvView *view = EV_VIEW (widget);
3068 state = event->state & gtk_accelerator_get_default_mod_mask ();
3070 if (state == GDK_CONTROL_MASK) {
3071 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
3072 if (event->direction == GDK_SCROLL_UP ||
3073 event->direction == GDK_SCROLL_LEFT) {
3074 if (ev_view_can_zoom_in (view)) {
3075 ev_view_zoom_in (view);
3078 if (ev_view_can_zoom_out (view)) {
3079 ev_view_zoom_out (view);
3086 view->jump_to_find_result = FALSE;
3088 /* Shift+Wheel scrolls the in the perpendicular direction */
3089 if (state & GDK_SHIFT_MASK) {
3090 if (event->direction == GDK_SCROLL_UP)
3091 event->direction = GDK_SCROLL_LEFT;
3092 else if (event->direction == GDK_SCROLL_LEFT)
3093 event->direction = GDK_SCROLL_UP;
3094 else if (event->direction == GDK_SCROLL_DOWN)
3095 event->direction = GDK_SCROLL_RIGHT;
3096 else if (event->direction == GDK_SCROLL_RIGHT)
3097 event->direction = GDK_SCROLL_DOWN;
3099 event->state &= ~GDK_SHIFT_MASK;
3100 state &= ~GDK_SHIFT_MASK;
3103 if (state == 0 && view->sizing_mode == EV_SIZING_BEST_FIT && !view->continuous) {
3104 switch (event->direction) {
3105 case GDK_SCROLL_DOWN:
3106 case GDK_SCROLL_RIGHT:
3107 ev_view_next_page (view);
3110 case GDK_SCROLL_LEFT:
3111 ev_view_previous_page (view);
3121 static EvViewSelection *
3122 find_selection_for_page (EvView *view,
3127 for (list = view->selection_info.selections; list != NULL; list = list->next) {
3128 EvViewSelection *selection;
3130 selection = (EvViewSelection *) list->data;
3132 if (selection->page == page)
3140 ev_view_expose_event (GtkWidget *widget,
3141 GdkEventExpose *event)
3143 EvView *view = EV_VIEW (widget);
3144 GdkWindow *bin_window;
3148 if (view->loading) {
3149 show_loading_window (view);
3150 } else if (view->loading_window &&
3151 gtk_widget_get_visible (view->loading_window)) {
3152 ev_view_loading_window_move (view);
3155 if (view->document == NULL)
3158 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
3159 cr = gdk_cairo_create (bin_window);
3161 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
3162 GdkRectangle page_area;
3164 gboolean page_ready = TRUE;
3166 if (!ev_view_get_page_extents (view, i, &page_area, &border))
3169 page_area.x -= view->scroll_x;
3170 page_area.y -= view->scroll_y;
3172 draw_one_page (view, i, cr, &page_area, &border, &(event->area), &page_ready);
3174 if (page_ready && view->find_pages && view->highlight_find_results)
3175 highlight_find_results (view, i);
3176 if (page_ready && EV_IS_DOCUMENT_ANNOTATIONS (view->document))
3177 show_annotation_windows (view, i);
3178 if (page_ready && view->synctex_result)
3179 highlight_forward_search_results (view, i);
3184 if (GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event)
3185 (* GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) (widget, event);
3191 ev_view_do_popup_menu (EvView *view,
3195 GList *items = NULL;
3198 EvAnnotation *annot;
3200 image = ev_view_get_image_at_location (view, x, y);
3202 items = g_list_prepend (items, image);
3204 link = ev_view_get_link_at_location (view, x, y);
3206 items = g_list_prepend (items, link);
3208 annot = ev_view_get_annotation_at_location (view, x, y);
3210 items = g_list_prepend (items, annot);
3212 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, items);
3214 g_list_free (items);
3220 ev_view_popup_menu (GtkWidget *widget)
3224 gtk_widget_get_pointer (widget, &x, &y);
3225 return ev_view_do_popup_menu (EV_VIEW (widget), x, y);
3229 get_link_area (EvView *view,
3235 EvMappingList *link_mapping;
3237 gint x_offset = 0, y_offset = 0;
3239 x += view->scroll_x;
3240 y += view->scroll_y;
3242 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3244 link_mapping = ev_page_cache_get_link_mapping (view->page_cache, page);
3245 ev_view_get_area_from_mapping (view, page,
3251 get_annot_area (EvView *view,
3254 EvAnnotation *annot,
3257 EvMappingList *annot_mapping;
3259 gint x_offset = 0, y_offset = 0;
3261 x += view->scroll_x;
3262 y += view->scroll_y;
3264 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3266 annot_mapping = ev_page_cache_get_annot_mapping (view->page_cache, page);
3267 ev_view_get_area_from_mapping (view, page,
3273 ev_view_query_tooltip (GtkWidget *widget,
3276 gboolean keyboard_tip,
3277 GtkTooltip *tooltip)
3279 EvView *view = EV_VIEW (widget);
3281 EvAnnotation *annot;
3284 annot = ev_view_get_annotation_at_location (view, x, y);
3285 if (annot && annot->contents) {
3286 GdkRectangle annot_area;
3288 get_annot_area (view, x, y, annot, &annot_area);
3289 gtk_tooltip_set_text (tooltip, annot->contents);
3290 gtk_tooltip_set_tip_area (tooltip, &annot_area);
3295 link = ev_view_get_link_at_location (view, x, y);
3299 text = tip_from_link (view, link);
3300 if (text && g_utf8_validate (text, -1, NULL)) {
3301 GdkRectangle link_area;
3303 get_link_area (view, x, y, link, &link_area);
3304 gtk_tooltip_set_text (tooltip, text);
3305 gtk_tooltip_set_tip_area (tooltip, &link_area);
3313 start_selection_for_event (EvView *view,
3314 GdkEventButton *event)
3316 clear_selection (view);
3318 view->selection_info.start.x = event->x + view->scroll_x;
3319 view->selection_info.start.y = event->y + view->scroll_y;
3321 switch (event->type) {
3322 case GDK_2BUTTON_PRESS:
3323 view->selection_info.style = EV_SELECTION_STYLE_WORD;
3325 case GDK_3BUTTON_PRESS:
3326 view->selection_info.style = EV_SELECTION_STYLE_LINE;
3329 view->selection_info.style = EV_SELECTION_STYLE_GLYPH;
3333 /* In case of WORD or LINE, compute selections now */
3334 compute_selections (view,
3335 view->selection_info.style,
3336 &(view->selection_info.start),
3337 &(view->selection_info.start));
3341 ev_view_button_press_event (GtkWidget *widget,
3342 GdkEventButton *event)
3344 EvView *view = EV_VIEW (widget);
3346 if (!view->document)
3349 if (!gtk_widget_has_focus (widget)) {
3350 gtk_widget_grab_focus (widget);
3353 if (view->window_child_focus) {
3354 EvAnnotationWindow *window;
3355 EvAnnotation *annot;
3357 window = EV_ANNOTATION_WINDOW (view->window_child_focus->window);
3358 annot = ev_annotation_window_get_annotation (window);
3359 ev_annotation_window_ungrab_focus (window);
3360 ev_view_annotation_save (view, annot);
3361 view->window_child_focus = NULL;
3364 view->pressed_button = event->button;
3365 view->selection_info.in_drag = FALSE;
3367 if (view->scroll_info.autoscrolling)
3370 switch (event->button) {
3373 EvAnnotation *annot;
3376 if (event->state & GDK_CONTROL_MASK)
3377 return ev_view_synctex_backward_search (view, event->x , event->y);
3379 if (EV_IS_SELECTION (view->document) && view->selection_info.selections) {
3380 if (event->type == GDK_3BUTTON_PRESS) {
3381 start_selection_for_event (view, event);
3382 } else if (location_in_selected_text (view,
3383 event->x + view->scroll_x,
3384 event->y + view->scroll_y)) {
3385 view->selection_info.in_drag = TRUE;
3387 start_selection_for_event (view, event);
3390 gtk_widget_queue_draw (widget);
3391 } else if ((annot = ev_view_get_annotation_at_location (view, event->x, event->y))) {
3392 ev_view_handle_annotation (view, annot, event->x, event->y, event->time);
3393 } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) {
3394 ev_view_remove_all (view);
3395 ev_view_handle_form_field (view, field, event->x, event->y);
3396 } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) &&
3397 (image = ev_view_get_image_at_location (view, event->x, event->y))) {
3398 if (view->image_dnd_info.image)
3399 g_object_unref (view->image_dnd_info.image);
3400 view->image_dnd_info.image = g_object_ref (image);
3401 view->image_dnd_info.in_drag = TRUE;
3403 view->image_dnd_info.start.x = event->x + view->scroll_x;
3404 view->image_dnd_info.start.y = event->y + view->scroll_y;
3406 ev_view_remove_all (view);
3408 if (view->synctex_result) {
3409 g_free (view->synctex_result);
3410 view->synctex_result = NULL;
3411 gtk_widget_queue_draw (widget);
3414 if (EV_IS_SELECTION (view->document))
3415 start_selection_for_event (view, event);
3420 /* use root coordinates as reference point because
3421 * scrolling changes window relative coordinates */
3422 view->drag_info.start.x = event->x_root;
3423 view->drag_info.start.y = event->y_root;
3424 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
3425 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
3427 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
3431 view->scroll_info.start_y = event->y;
3432 return ev_view_do_popup_menu (view, event->x, event->y);
3439 ev_view_remove_all (EvView *view)
3441 GList *children, *child;
3443 children = gtk_container_get_children (GTK_CONTAINER (view));
3444 for (child = children; child && child->data; child = g_list_next (child)) {
3445 gtk_container_remove (GTK_CONTAINER (view),
3446 GTK_WIDGET (child->data));
3448 g_list_free (children);
3451 /*** Drag and Drop ***/
3453 ev_view_drag_data_get (GtkWidget *widget,
3454 GdkDragContext *context,
3455 GtkSelectionData *selection_data,
3459 EvView *view = EV_VIEW (widget);
3462 case TARGET_DND_TEXT:
3463 if (EV_IS_SELECTION (view->document) &&
3464 view->selection_info.selections) {
3467 text = get_selected_text (view);
3468 gtk_selection_data_set_text (selection_data,
3474 case TARGET_DND_IMAGE:
3475 if (view->image_dnd_info.image) {
3478 ev_document_doc_mutex_lock ();
3479 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3480 view->image_dnd_info.image);
3481 ev_document_doc_mutex_unlock ();
3483 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
3484 g_object_unref (pixbuf);
3487 case TARGET_DND_URI:
3488 if (view->image_dnd_info.image) {
3490 const gchar *tmp_uri;
3493 ev_document_doc_mutex_lock ();
3494 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3495 view->image_dnd_info.image);
3496 ev_document_doc_mutex_unlock ();
3498 tmp_uri = ev_image_save_tmp (view->image_dnd_info.image, pixbuf);
3499 g_object_unref (pixbuf);
3501 uris[0] = (gchar *)tmp_uri;
3503 gtk_selection_data_set_uris (selection_data, uris);
3509 ev_view_drag_motion (GtkWidget *widget,
3510 GdkDragContext *context,
3515 if (gtk_drag_get_source_widget (context) == widget)
3516 gdk_drag_status (context, 0, time);
3518 gdk_drag_status (context, gdk_drag_context_get_suggested_action (context), time);
3524 selection_update_idle_cb (EvView *view)
3526 compute_selections (view,
3527 view->selection_info.style,
3528 &view->selection_info.start,
3530 view->selection_update_id = 0;
3535 selection_scroll_timeout_cb (EvView *view)
3537 gint x, y, shift = 0;
3538 GtkWidget *widget = GTK_WIDGET (view);
3539 GtkAllocation allocation;
3541 gtk_widget_get_allocation (widget, &allocation);
3542 gtk_widget_get_pointer (widget, &x, &y);
3544 if (y > allocation.height) {
3545 shift = (y - allocation.height) / 2;
3551 gtk_adjustment_set_value (view->vadjustment,
3552 CLAMP (gtk_adjustment_get_value (view->vadjustment) + shift,
3553 gtk_adjustment_get_lower (view->vadjustment),
3554 gtk_adjustment_get_upper (view->vadjustment) -
3555 gtk_adjustment_get_page_size (view->vadjustment)));
3557 if (x > allocation.width) {
3558 shift = (x - allocation.width) / 2;
3564 gtk_adjustment_set_value (view->hadjustment,
3565 CLAMP (gtk_adjustment_get_value (view->hadjustment) + shift,
3566 gtk_adjustment_get_lower (view->hadjustment),
3567 gtk_adjustment_get_upper (view->hadjustment) -
3568 gtk_adjustment_get_page_size (view->hadjustment)));
3574 ev_view_drag_update_momentum (EvView *view)
3577 if (!view->drag_info.in_drag)
3580 for (i = DRAG_HISTORY - 1; i > 0; i--) {
3581 view->drag_info.buffer[i].x = view->drag_info.buffer[i-1].x;
3582 view->drag_info.buffer[i].y = view->drag_info.buffer[i-1].y;
3585 /* Momentum is a moving average of 10ms granularity over
3586 * the last 100ms with each 10ms stored in buffer.
3589 view->drag_info.momentum.x = (view->drag_info.buffer[DRAG_HISTORY - 1].x - view->drag_info.buffer[0].x);
3590 view->drag_info.momentum.y = (view->drag_info.buffer[DRAG_HISTORY - 1].y - view->drag_info.buffer[0].y);
3596 ev_view_scroll_drag_release (EvView *view)
3598 gdouble dhadj_value, dvadj_value;
3599 gdouble oldhadjustment, oldvadjustment;
3600 gdouble h_page_size, v_page_size;
3601 gdouble h_upper, v_upper;
3602 GtkAllocation allocation;
3604 view->drag_info.momentum.x /= 1.2;
3605 view->drag_info.momentum.y /= 1.2; /* Alter these constants to change "friction" */
3607 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
3609 h_page_size = gtk_adjustment_get_page_size (view->hadjustment);
3610 v_page_size = gtk_adjustment_get_page_size (view->vadjustment);
3612 dhadj_value = h_page_size *
3613 (gdouble)view->drag_info.momentum.x / allocation.width;
3614 dvadj_value = v_page_size *
3615 (gdouble)view->drag_info.momentum.y / allocation.height;
3617 oldhadjustment = gtk_adjustment_get_value (view->hadjustment);
3618 oldvadjustment = gtk_adjustment_get_value (view->vadjustment);
3620 h_upper = gtk_adjustment_get_upper (view->hadjustment);
3621 v_upper = gtk_adjustment_get_upper (view->vadjustment);
3623 /* When we reach the edges, we need either to absorb some momentum and bounce by
3624 * multiplying it on -0.5 or stop scrolling by setting momentum to 0. */
3625 if (((oldhadjustment + dhadj_value) > (h_upper - h_page_size)) ||
3626 ((oldhadjustment + dhadj_value) < 0))
3627 view->drag_info.momentum.x = 0;
3628 if (((oldvadjustment + dvadj_value) > (v_upper - v_page_size)) ||
3629 ((oldvadjustment + dvadj_value) < 0))
3630 view->drag_info.momentum.y = 0;
3632 gtk_adjustment_set_value (view->hadjustment,
3633 MIN (oldhadjustment + dhadj_value,
3634 h_upper - h_page_size));
3635 gtk_adjustment_set_value (view->vadjustment,
3636 MIN (oldvadjustment + dvadj_value,
3637 v_upper - v_page_size));
3639 if (((view->drag_info.momentum.x < 1) && (view->drag_info.momentum.x > -1)) &&
3640 ((view->drag_info.momentum.y < 1) && (view->drag_info.momentum.y > -1)))
3647 ev_view_motion_notify_event (GtkWidget *widget,
3648 GdkEventMotion *event)
3650 EvView *view = EV_VIEW (widget);
3651 GdkWindow *bin_window;
3654 if (!view->document)
3657 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
3659 if (event->is_hint || event->window != bin_window) {
3660 gtk_widget_get_pointer (widget, &x, &y);
3666 if (view->scroll_info.autoscrolling) {
3667 view->scroll_info.last_y = y;
3671 if (view->selection_info.in_drag) {
3672 if (gtk_drag_check_threshold (widget,
3673 view->selection_info.start.x,
3674 view->selection_info.start.y,
3676 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3678 gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT);
3680 gtk_drag_begin (widget, target_list,
3682 1, (GdkEvent *)event);
3684 view->selection_info.in_drag = FALSE;
3686 gtk_target_list_unref (target_list);
3690 } else if (view->image_dnd_info.in_drag) {
3691 if (gtk_drag_check_threshold (widget,
3692 view->selection_info.start.x,
3693 view->selection_info.start.y,
3695 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3697 gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI);
3698 gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE);
3700 gtk_drag_begin (widget, target_list,
3702 1, (GdkEvent *)event);
3704 view->image_dnd_info.in_drag = FALSE;
3706 gtk_target_list_unref (target_list);
3712 switch (view->pressed_button) {
3714 /* For the Evince 0.4.x release, we limit selection to un-rotated
3717 if (view->rotation != 0)
3720 /* Schedule timeout to scroll during selection and additionally
3721 * scroll once to allow arbitrary speed. */
3722 if (!view->selection_scroll_id)
3723 view->selection_scroll_id = g_timeout_add (SCROLL_TIME,
3724 (GSourceFunc)selection_scroll_timeout_cb,
3727 selection_scroll_timeout_cb (view);
3729 view->selection_info.in_selection = TRUE;
3730 view->motion.x = x + view->scroll_x;
3731 view->motion.y = y + view->scroll_y;
3733 /* Queue an idle to handle the motion. We do this because
3734 * handling any selection events in the motion could be slower
3735 * than new motion events reach us. We always put it in the
3736 * idle to make sure we catch up and don't visibly lag the
3738 if (!view->selection_update_id)
3739 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
3743 if (!view->drag_info.in_drag) {
3747 start = gtk_drag_check_threshold (widget,
3748 view->drag_info.start.x,
3749 view->drag_info.start.y,
3752 view->drag_info.in_drag = start;
3753 view->drag_info.drag_timeout_id = g_timeout_add (10,
3754 (GSourceFunc)ev_view_drag_update_momentum, view);
3755 /* Set 100 to choose how long it takes to build up momentum */
3756 /* Clear out previous momentum info: */
3757 for (i = 0; i < DRAG_HISTORY; i++) {
3758 view->drag_info.buffer[i].x = event->x;
3759 view->drag_info.buffer[i].y = event->y;
3761 view->drag_info.momentum.x = 0;
3762 view->drag_info.momentum.y = 0;
3765 if (view->drag_info.in_drag) {
3767 gdouble dhadj_value, dvadj_value;
3768 GtkAllocation allocation;
3770 view->drag_info.buffer[0].x = event->x;
3771 view->drag_info.buffer[0].y = event->y;
3773 dx = event->x_root - view->drag_info.start.x;
3774 dy = event->y_root - view->drag_info.start.y;
3776 gtk_widget_get_allocation (widget, &allocation);
3778 dhadj_value = gtk_adjustment_get_page_size (view->hadjustment) *
3779 (gdouble)dx / allocation.width;
3780 dvadj_value = gtk_adjustment_get_page_size (view->vadjustment) *
3781 (gdouble)dy / allocation.height;
3783 /* clamp scrolling to visible area */
3784 gtk_adjustment_set_value (view->hadjustment,
3785 MIN (view->drag_info.hadj - dhadj_value,
3786 gtk_adjustment_get_upper (view->hadjustment) -
3787 gtk_adjustment_get_page_size (view->hadjustment)));
3788 gtk_adjustment_set_value (view->vadjustment,
3789 MIN (view->drag_info.vadj - dvadj_value,
3790 gtk_adjustment_get_upper (view->vadjustment) -
3791 gtk_adjustment_get_page_size (view->vadjustment)));
3798 ev_view_handle_cursor_over_xy (view, x, y);
3805 ev_view_button_release_event (GtkWidget *widget,
3806 GdkEventButton *event)
3808 EvView *view = EV_VIEW (widget);
3809 EvLink *link = NULL;
3811 view->image_dnd_info.in_drag = FALSE;
3813 if (view->scroll_info.autoscrolling) {
3814 ev_view_autoscroll_stop (view);
3815 view->pressed_button = -1;
3820 if (view->drag_info.in_drag) {
3821 view->drag_info.release_timeout_id =
3823 (GSourceFunc)ev_view_scroll_drag_release, view);
3826 if (view->document && !view->drag_info.in_drag && view->pressed_button != 3) {
3827 link = ev_view_get_link_at_location (view, event->x, event->y);
3830 view->drag_info.in_drag = FALSE;
3832 if (view->pressed_button == 2) {
3833 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3836 view->pressed_button = -1;
3838 if (view->selection_scroll_id) {
3839 g_source_remove (view->selection_scroll_id);
3840 view->selection_scroll_id = 0;
3842 if (view->selection_update_id) {
3843 g_source_remove (view->selection_update_id);
3844 view->selection_update_id = 0;
3847 if (view->selection_info.selections) {
3848 clear_link_selected (view);
3849 ev_view_update_primary_selection (view);
3851 if (view->selection_info.in_drag) {
3852 clear_selection (view);
3853 gtk_widget_queue_draw (widget);
3856 view->selection_info.in_drag = FALSE;
3858 if (event->button == 2) {
3859 EvLinkAction *action;
3860 EvLinkActionType type;
3862 action = ev_link_get_action (link);
3866 type = ev_link_action_get_action_type (action);
3867 if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
3868 g_signal_emit (view,
3869 signals[SIGNAL_EXTERNAL_LINK],
3873 ev_view_handle_link (view, link);
3881 ev_view_key_press_event (GtkWidget *widget,
3884 EvView *view = EV_VIEW (widget);
3886 if (!view->document)
3889 if (!gtk_widget_has_focus (widget)) {
3890 /* Forward key events to current focused window child */
3891 if (view->window_child_focus) {
3892 GdkEventKey *new_event;
3895 new_event = (GdkEventKey *) gdk_event_copy ((GdkEvent *)event);
3896 g_object_unref (new_event->window);
3897 new_event->window = gtk_widget_get_window (view->window_child_focus->window);
3898 if (new_event->window)
3899 g_object_ref (new_event->window);
3900 gtk_widget_realize (view->window_child_focus->window);
3901 handled = gtk_widget_event (view->window_child_focus->window, (GdkEvent *)new_event);
3902 gdk_event_free ((GdkEvent *)new_event);
3910 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3914 ev_view_focus_in (GtkWidget *widget,
3915 GdkEventFocus *event)
3917 if (EV_VIEW (widget)->pixbuf_cache)
3918 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3919 gtk_widget_queue_draw (widget);
3925 ev_view_focus_out (GtkWidget *widget,
3926 GdkEventFocus *event)
3928 if (EV_VIEW (widget)->pixbuf_cache)
3929 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3930 gtk_widget_queue_draw (widget);
3936 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3938 EvView *view = EV_VIEW (widget);
3940 if (view->cursor != EV_VIEW_CURSOR_NORMAL)
3941 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
3947 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3949 EvView *view = EV_VIEW (widget);
3951 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3957 ev_view_style_set (GtkWidget *widget,
3958 GtkStyle *old_style)
3960 if (EV_VIEW (widget)->pixbuf_cache)
3961 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3963 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
3969 draw_rubberband (EvView *view,
3971 const GdkRectangle *rect,
3975 GdkColor *fill_color_gdk;
3979 style = gtk_widget_get_style (GTK_WIDGET (view));
3980 fill_color_gdk = gdk_color_copy (&style->base[GTK_STATE_SELECTED]);
3981 r = fill_color_gdk->red / 65535.;
3982 g = fill_color_gdk->green / 65535.;
3983 b = fill_color_gdk->blue / 65535.;
3985 cr = gdk_cairo_create (window);
3987 cairo_set_source_rgba (cr, r, g, b, alpha);
3988 cairo_rectangle (cr,
3989 rect->x - view->scroll_x,
3990 rect->y - view->scroll_y,
3991 rect->width, rect->height);
3992 cairo_fill_preserve (cr);
3994 cairo_set_line_width (cr, 0.5);
3995 cairo_set_source_rgb (cr, r, g, b);
4000 gdk_color_free (fill_color_gdk);
4005 highlight_find_results (EvView *view, int page)
4007 gint i, n_results = 0;
4008 GdkWindow *bin_window;
4010 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
4012 n_results = ev_view_find_get_n_results (view, page);
4014 for (i = 0; i < n_results; i++) {
4015 EvRectangle *rectangle;
4016 GdkRectangle view_rectangle;
4019 if (i == view->find_result && page == view->current_page) {
4025 rectangle = ev_view_find_get_result (view, page, i);
4026 doc_rect_to_view_rect (view, page, rectangle, &view_rectangle);
4027 draw_rubberband (view, bin_window, &view_rectangle, alpha);
4032 highlight_forward_search_results (EvView *view, int page)
4034 GdkWindow *bin_window;
4037 EvMapping *mapping = view->synctex_result;
4039 if (GPOINTER_TO_INT (mapping->data) != page)
4042 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
4043 doc_rect_to_view_rect (view, page, &mapping->area, &rect);
4045 cr = gdk_cairo_create (bin_window);
4046 cairo_set_source_rgb (cr, 1., 0., 0.);
4047 cairo_rectangle (cr,
4048 rect.x - view->scroll_x,
4049 rect.y - view->scroll_y,
4050 rect.width, rect.height);
4056 ev_view_loading_window_move (EvView *view)
4058 GtkWidget *widget = GTK_WIDGET (view);
4059 EvLoadingWindow *window = EV_LOADING_WINDOW (view->loading_window);
4060 gint root_x, root_y;
4062 GtkAllocation allocation;
4064 gtk_widget_get_allocation (widget, &allocation);
4065 gdk_window_get_origin (gtk_widget_get_window (widget), &root_x, &root_y);
4066 ev_loading_window_get_size (window, &window_width, NULL);
4068 root_x += allocation.width - window_width - 10;
4071 ev_loading_window_move (window, root_x, root_y);
4075 show_loading_window_cb (EvView *view)
4077 if (!view->loading_window) {
4081 parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
4082 view->loading_window = ev_loading_window_new (parent);
4084 /* Show the window off screen to get a valid size asap */
4085 screen = gtk_widget_get_screen (GTK_WIDGET (view));
4086 gtk_window_move (GTK_WINDOW (view->loading_window),
4087 gdk_screen_get_width (screen) + 1,
4088 gdk_screen_get_height (screen) + 1);
4089 gtk_widget_show (view->loading_window);
4092 ev_view_loading_window_move (view);
4094 gtk_widget_show (view->loading_window);
4096 view->loading_timeout = 0;
4102 show_loading_window (EvView *view)
4104 if (view->loading_window && gtk_widget_get_visible (view->loading_window)) {
4105 ev_view_loading_window_move (view);
4109 if (!view->loading_timeout) {
4110 view->loading_timeout =
4111 g_timeout_add_full (G_PRIORITY_LOW,
4112 0.5, (GSourceFunc)show_loading_window_cb,
4118 hide_loading_window (EvView *view)
4120 if (view->loading_timeout) {
4121 g_source_remove (view->loading_timeout);
4122 view->loading_timeout = 0;
4125 if (view->loading_window && gtk_widget_get_visible (view->loading_window)) {
4126 gtk_widget_hide (view->loading_window);
4131 draw_one_page (EvView *view,
4134 GdkRectangle *page_area,
4136 GdkRectangle *expose_area,
4137 gboolean *page_ready)
4139 GdkWindow *bin_window;
4140 GdkRectangle overlap;
4141 GdkRectangle real_page_area;
4143 gboolean inverted_colors;
4145 g_assert (view->document);
4147 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
4150 /* Render the document itself */
4151 real_page_area = *page_area;
4153 real_page_area.x += border->left;
4154 real_page_area.y += border->top;
4155 real_page_area.width -= (border->left + border->right);
4156 real_page_area.height -= (border->top + border->bottom);
4159 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
4160 current_page = ev_document_model_get_page (view->model);
4161 inverted_colors = ev_document_model_get_inverted_colors (view->model);
4162 ev_document_misc_paint_one_page (bin_window,
4165 page == current_page,
4168 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
4170 gint page_width, page_height;
4171 cairo_surface_t *page_surface = NULL;
4172 gint selection_width, selection_height;
4173 cairo_surface_t *selection_surface = NULL;
4175 page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page);
4177 if (!page_surface) {
4178 if (page == current_page)
4179 show_loading_window (view);
4181 *page_ready = FALSE;
4186 if (page == current_page)
4187 hide_loading_window (view);
4189 ev_view_get_page_size (view, page, &width, &height);
4191 page_width = cairo_image_surface_get_width (page_surface);
4192 page_height = cairo_image_surface_get_height (page_surface);
4195 cairo_translate (cr, overlap.x, overlap.y);
4197 if (width != page_width || height != page_height) {
4198 cairo_pattern_set_filter (cairo_get_source (cr),
4201 (gdouble)width / page_width,
4202 (gdouble)height / page_height);
4205 cairo_surface_set_device_offset (page_surface,
4206 overlap.x - real_page_area.x,
4207 overlap.y - real_page_area.y);
4208 cairo_set_source_surface (cr, page_surface, 0, 0);
4212 /* Get the selection pixbuf iff we have something to draw */
4213 if (find_selection_for_page (view, page) &&
4214 view->selection_mode == EV_VIEW_SELECTION_TEXT) {
4216 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
4222 if (!selection_surface) {
4226 selection_width = cairo_image_surface_get_width (selection_surface);
4227 selection_height = cairo_image_surface_get_height (selection_surface);
4230 cairo_translate (cr, overlap.x, overlap.y);
4232 if (width != selection_width || height != selection_height) {
4233 cairo_pattern_set_filter (cairo_get_source (cr),
4236 (gdouble)width / selection_width,
4237 (gdouble)height / selection_height);
4240 cairo_surface_set_device_offset (selection_surface,
4241 overlap.x - real_page_area.x,
4242 overlap.y - real_page_area.y);
4244 cairo_set_source_surface (cr, selection_surface, 0, 0);
4250 /*** GObject functions ***/
4253 ev_view_finalize (GObject *object)
4255 EvView *view = EV_VIEW (object);
4257 clear_selection (view);
4258 clear_link_selected (view);
4260 if (view->synctex_result) {
4261 g_free (view->synctex_result);
4262 view->synctex_result = NULL;
4265 if (view->image_dnd_info.image)
4266 g_object_unref (view->image_dnd_info.image);
4267 view->image_dnd_info.image = NULL;
4269 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
4273 ev_view_destroy (GtkObject *object)
4275 EvView *view = EV_VIEW (object);
4278 g_object_unref (view->model);
4282 if (view->pixbuf_cache) {
4283 g_object_unref (view->pixbuf_cache);
4284 view->pixbuf_cache = NULL;
4287 if (view->document) {
4288 g_object_unref (view->document);
4289 view->document = NULL;
4292 if (view->page_cache) {
4293 g_object_unref (view->page_cache);
4294 view->page_cache = NULL;
4297 ev_view_window_children_free (view);
4299 if (view->selection_scroll_id) {
4300 g_source_remove (view->selection_scroll_id);
4301 view->selection_scroll_id = 0;
4304 if (view->selection_update_id) {
4305 g_source_remove (view->selection_update_id);
4306 view->selection_update_id = 0;
4309 if (view->scroll_info.timeout_id) {
4310 g_source_remove (view->scroll_info.timeout_id);
4311 view->scroll_info.timeout_id = 0;
4314 if (view->drag_info.drag_timeout_id) {
4315 g_source_remove (view->drag_info.drag_timeout_id);
4316 view->drag_info.drag_timeout_id = 0;
4319 if (view->drag_info.release_timeout_id) {
4320 g_source_remove (view->drag_info.release_timeout_id);
4321 view->drag_info.release_timeout_id = 0;
4324 if (view->loading_timeout) {
4325 g_source_remove (view->loading_timeout);
4326 view->loading_timeout = 0;
4329 ev_view_set_scroll_adjustments (GTK_LAYOUT (view), NULL, NULL);
4331 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
4335 ev_view_get_accessible (GtkWidget *widget)
4337 static gboolean first_time = TRUE;
4340 AtkObjectFactory *factory;
4341 AtkRegistry *registry;
4343 GType derived_atk_type;
4346 * Figure out whether accessibility is enabled by looking at the
4347 * type of the accessible object which would be created for
4348 * the parent type of EvView.
4350 derived_type = g_type_parent (EV_TYPE_VIEW);
4352 registry = atk_get_default_registry ();
4353 factory = atk_registry_get_factory (registry,
4355 derived_atk_type = atk_object_factory_get_accessible_type (factory);
4356 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
4357 atk_registry_set_factory_type (registry,
4359 ev_view_accessible_factory_get_type ());
4362 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
4366 ev_view_class_init (EvViewClass *class)
4368 GObjectClass *object_class = G_OBJECT_CLASS (class);
4369 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
4370 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
4371 GtkLayoutClass *layout_class = GTK_LAYOUT_CLASS (class);
4372 GtkBindingSet *binding_set;
4374 object_class->finalize = ev_view_finalize;
4376 widget_class->expose_event = ev_view_expose_event;
4377 widget_class->button_press_event = ev_view_button_press_event;
4378 widget_class->motion_notify_event = ev_view_motion_notify_event;
4379 widget_class->button_release_event = ev_view_button_release_event;
4380 widget_class->key_press_event = ev_view_key_press_event;
4381 widget_class->focus_in_event = ev_view_focus_in;
4382 widget_class->focus_out_event = ev_view_focus_out;
4383 widget_class->get_accessible = ev_view_get_accessible;
4384 widget_class->size_request = ev_view_size_request;
4385 widget_class->size_allocate = ev_view_size_allocate;
4386 widget_class->realize = ev_view_realize;
4387 widget_class->scroll_event = ev_view_scroll_event;
4388 widget_class->enter_notify_event = ev_view_enter_notify_event;
4389 widget_class->leave_notify_event = ev_view_leave_notify_event;
4390 widget_class->style_set = ev_view_style_set;
4391 widget_class->drag_data_get = ev_view_drag_data_get;
4392 widget_class->drag_motion = ev_view_drag_motion;
4393 widget_class->popup_menu = ev_view_popup_menu;
4394 widget_class->query_tooltip = ev_view_query_tooltip;
4396 gtk_object_class->destroy = ev_view_destroy;
4398 layout_class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
4400 class->binding_activated = ev_view_scroll;
4402 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
4403 G_TYPE_FROM_CLASS (object_class),
4404 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4405 G_STRUCT_OFFSET (EvViewClass, binding_activated),
4407 ev_view_marshal_VOID__ENUM_BOOLEAN,
4409 GTK_TYPE_SCROLL_TYPE,
4411 signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link",
4412 G_TYPE_FROM_CLASS (object_class),
4413 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4414 G_STRUCT_OFFSET (EvViewClass, handle_link),
4416 g_cclosure_marshal_VOID__OBJECT,
4419 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
4420 G_TYPE_FROM_CLASS (object_class),
4421 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4422 G_STRUCT_OFFSET (EvViewClass, external_link),
4424 g_cclosure_marshal_VOID__OBJECT,
4427 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
4428 G_TYPE_FROM_CLASS (object_class),
4429 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4430 G_STRUCT_OFFSET (EvViewClass, popup_menu),
4432 g_cclosure_marshal_VOID__POINTER,
4435 signals[SIGNAL_SELECTION_CHANGED] = g_signal_new ("selection-changed",
4436 G_TYPE_FROM_CLASS (object_class),
4437 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4438 G_STRUCT_OFFSET (EvViewClass, selection_changed),
4440 g_cclosure_marshal_VOID__VOID,
4443 signals[SIGNAL_SYNC_SOURCE] = g_signal_new ("sync-source",
4444 G_TYPE_FROM_CLASS (object_class),
4445 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4446 G_STRUCT_OFFSET (EvViewClass, sync_source),
4448 g_cclosure_marshal_VOID__POINTER,
4452 binding_set = gtk_binding_set_by_class (class);
4454 add_scroll_binding_keypad (binding_set, GDK_Left, 0, GTK_SCROLL_STEP_BACKWARD, TRUE);
4455 add_scroll_binding_keypad (binding_set, GDK_Right, 0, GTK_SCROLL_STEP_FORWARD, TRUE);
4456 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, TRUE);
4457 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, TRUE);
4458 add_scroll_binding_keypad (binding_set, GDK_Up, 0, GTK_SCROLL_STEP_BACKWARD, FALSE);
4459 add_scroll_binding_keypad (binding_set, GDK_Down, 0, GTK_SCROLL_STEP_FORWARD, FALSE);
4460 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, FALSE);
4461 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, FALSE);
4462 gtk_binding_entry_add_signal (binding_set, GDK_H, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4463 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE);
4464 gtk_binding_entry_add_signal (binding_set, GDK_J, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4465 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE);
4466 gtk_binding_entry_add_signal (binding_set, GDK_K, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4467 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE);
4468 gtk_binding_entry_add_signal (binding_set, GDK_L, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4469 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE);
4474 ev_view_init (EvView *view)
4476 gtk_widget_set_can_focus (GTK_WIDGET (view), TRUE);
4478 view->start_page = -1;
4479 view->end_page = -1;
4482 view->current_page = 0;
4483 view->pressed_button = -1;
4484 view->cursor = EV_VIEW_CURSOR_NORMAL;
4485 view->drag_info.in_drag = FALSE;
4486 view->scroll_info.autoscrolling = FALSE;
4487 view->selection_info.selections = NULL;
4488 view->selection_info.in_selection = FALSE;
4489 view->selection_info.in_drag = FALSE;
4490 view->selection_mode = EV_VIEW_SELECTION_TEXT;
4491 view->continuous = TRUE;
4492 view->dual_page = FALSE;
4493 view->fullscreen = FALSE;
4494 view->sizing_mode = EV_SIZING_FIT_WIDTH;
4495 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4496 view->jump_to_find_result = TRUE;
4497 view->highlight_find_results = FALSE;
4499 gtk_layout_set_hadjustment (GTK_LAYOUT (view), NULL);
4500 gtk_layout_set_vadjustment (GTK_LAYOUT (view), NULL);
4506 ev_view_change_page (EvView *view,
4511 view->current_page = new_page;
4512 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4514 hide_loading_window (view);
4516 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4517 ev_view_handle_cursor_over_xy (view, x, y);
4519 gtk_widget_queue_resize (GTK_WIDGET (view));
4523 job_finished_cb (EvPixbufCache *pixbuf_cache,
4524 cairo_region_t *region,
4528 GdkWindow *bin_window;
4530 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
4531 gdk_window_invalidate_region (bin_window, region, TRUE);
4533 gtk_widget_queue_draw (GTK_WIDGET (view));
4538 ev_view_page_changed_cb (EvDocumentModel *model,
4543 if (!view->document)
4546 if (view->current_page != new_page) {
4547 ev_view_change_page (view, new_page);
4549 gtk_widget_queue_draw (GTK_WIDGET (view));
4552 view->find_result = 0;
4556 on_adjustment_value_changed (GtkAdjustment *adjustment,
4562 GList *children, *l;
4564 if (!gtk_widget_get_realized (GTK_WIDGET (view)))
4567 if (view->hadjustment) {
4568 value = (gint) gtk_adjustment_get_value (view->hadjustment);
4569 dx = view->scroll_x - value;
4570 view->scroll_x = value;
4575 if (view->vadjustment) {
4576 value = (gint) gtk_adjustment_get_value (view->vadjustment);
4577 dy = view->scroll_y - value;
4578 view->scroll_y = value;
4583 children = gtk_container_get_children (GTK_CONTAINER (view));
4584 for (l = children; l && l->data; l = g_list_next (l)) {
4585 gint child_x, child_y;
4586 GtkWidget *child = (GtkWidget *)l->data;
4588 gtk_container_child_get (GTK_CONTAINER (view),
4593 gtk_layout_move (GTK_LAYOUT (view), child, child_x + dx, child_y + dy);
4595 g_list_free (children);
4597 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
4598 EvViewWindowChild *child;
4600 child = (EvViewWindowChild *)l->data;
4602 ev_view_window_child_move (view, child, child->x + dx, child->y + dy);
4605 if (view->pending_resize) {
4606 gtk_widget_queue_draw (GTK_WIDGET (view));
4608 GdkWindow *bin_window;
4610 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
4611 gdk_window_scroll (bin_window, dx, dy);
4614 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4615 ev_view_handle_cursor_over_xy (view, x, y);
4618 view_update_range_and_current_page (view);
4626 view = g_object_new (EV_TYPE_VIEW, NULL);
4632 setup_caches (EvView *view)
4634 gboolean inverted_colors;
4636 view->height_to_page_cache = ev_view_get_height_to_page_cache (view);
4637 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->model, view->pixbuf_cache_size);
4638 view->page_cache = ev_page_cache_new (view->document);
4639 inverted_colors = ev_document_model_get_inverted_colors (view->model);
4640 ev_pixbuf_cache_set_inverted_colors (view->pixbuf_cache, inverted_colors);
4641 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
4645 clear_caches (EvView *view)
4647 if (view->pixbuf_cache) {
4648 g_object_unref (view->pixbuf_cache);
4649 view->pixbuf_cache = NULL;
4652 if (view->page_cache) {
4653 g_object_unref (view->page_cache);
4654 view->page_cache = NULL;
4659 * ev_view_set_page_cache_size:
4663 * Sets the maximum size in bytes that will be used to cache
4664 * rendered pages. Use 0 to disable caching rendered pages.
4666 * Note that this limit doesn't affect the current visible page range,
4667 * which will always be rendered. In order to limit the total memory used
4668 * you have to use ev_document_model_set_max_scale() too.
4672 ev_view_set_page_cache_size (EvView *view,
4675 if (view->pixbuf_cache_size == cache_size)
4678 view->pixbuf_cache_size = cache_size;
4679 if (view->pixbuf_cache)
4680 ev_pixbuf_cache_set_max_size (view->pixbuf_cache, cache_size);
4684 ev_view_set_loading (EvView *view,
4687 if (view->loading && !loading)
4688 hide_loading_window (view);
4689 view->loading = loading;
4690 gtk_widget_queue_draw (GTK_WIDGET (view));
4694 ev_view_autoscroll_cb (EvView *view)
4696 gdouble speed, value;
4698 /* If the user stops autoscrolling, autoscrolling will be
4699 * set to false but the timeout will continue; stop the timeout: */
4700 if (!view->scroll_info.autoscrolling) {
4701 view->scroll_info.timeout_id = 0;
4705 if (view->scroll_info.last_y > view->scroll_info.start_y &&
4706 (view->scroll_info.last_y < view->scroll_info.start_y))
4709 /* Replace 100 with your speed of choice: The lower the faster.
4710 * Replace 3 with another speed of choice: The higher, the faster it accelerated
4711 * based on the distance of the starting point from the mouse
4712 * (All also effected by the timeout interval of this callback) */
4714 if (view->scroll_info.start_y > view->scroll_info.last_y)
4715 speed = -pow ((((gdouble)view->scroll_info.start_y - view->scroll_info.last_y) / 100), 3);
4717 speed = pow ((((gdouble)view->scroll_info.last_y - view->scroll_info.start_y) / 100), 3);
4719 value = gtk_adjustment_get_value (view->vadjustment);
4720 value = CLAMP (value + speed, 0,
4721 gtk_adjustment_get_upper (view->vadjustment) -
4722 gtk_adjustment_get_page_size (view->vadjustment));
4723 gtk_adjustment_set_value (view->vadjustment, value);
4730 ev_view_autoscroll_start (EvView *view)
4734 g_return_if_fail (EV_IS_VIEW (view));
4736 if (view->scroll_info.autoscrolling)
4739 view->scroll_info.autoscrolling = TRUE;
4740 view->scroll_info.timeout_id =
4741 g_timeout_add (20, (GSourceFunc)ev_view_autoscroll_cb,
4744 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4745 ev_view_handle_cursor_over_xy (view, x, y);
4749 ev_view_autoscroll_stop (EvView *view)
4753 g_return_if_fail (EV_IS_VIEW (view));
4755 if (!view->scroll_info.autoscrolling)
4758 view->scroll_info.autoscrolling = FALSE;
4759 if (view->scroll_info.timeout_id) {
4760 g_source_remove (view->scroll_info.timeout_id);
4761 view->scroll_info.timeout_id = 0;
4764 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4765 ev_view_handle_cursor_over_xy (view, x, y);
4769 ev_view_document_changed_cb (EvDocumentModel *model,
4773 EvDocument *document = ev_document_model_get_document (model);
4775 if (document != view->document) {
4778 clear_caches (view);
4780 if (view->document) {
4781 g_object_unref (view->document);
4784 view->document = document;
4785 view->find_result = 0;
4787 if (view->document) {
4788 view->loading = FALSE;
4789 g_object_ref (view->document);
4790 setup_caches (view);
4793 current_page = ev_document_model_get_page (model);
4794 if (view->current_page != current_page) {
4795 ev_view_change_page (view, current_page);
4797 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4798 gtk_widget_queue_resize (GTK_WIDGET (view));
4804 ev_view_rotation_changed_cb (EvDocumentModel *model,
4808 gint rotation = ev_document_model_get_rotation (model);
4810 view->rotation = rotation;
4812 if (view->pixbuf_cache) {
4813 ev_pixbuf_cache_clear (view->pixbuf_cache);
4814 if (!ev_document_is_page_size_uniform (view->document))
4815 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4816 gtk_widget_queue_resize (GTK_WIDGET (view));
4819 ev_view_remove_all (view);
4822 clear_selection (view);
4826 ev_view_inverted_colors_changed_cb (EvDocumentModel *model,
4830 if (view->pixbuf_cache) {
4831 gboolean inverted_colors;
4833 inverted_colors = ev_document_model_get_inverted_colors (model);
4834 ev_pixbuf_cache_set_inverted_colors (view->pixbuf_cache, inverted_colors);
4835 gtk_widget_queue_draw (GTK_WIDGET (view));
4840 ev_view_sizing_mode_changed_cb (EvDocumentModel *model,
4844 EvSizingMode mode = ev_document_model_get_sizing_mode (model);
4846 view->sizing_mode = mode;
4847 if (mode != EV_SIZING_FREE)
4848 gtk_widget_queue_resize (GTK_WIDGET (view));
4851 #define EPSILON 0.0000001
4853 ev_view_scale_changed_cb (EvDocumentModel *model,
4857 gdouble scale = ev_document_model_get_scale (model);
4859 if (ABS (view->scale - scale) < EPSILON)
4862 view->scale = scale;
4864 view->pending_resize = TRUE;
4865 if (view->sizing_mode == EV_SIZING_FREE)
4866 gtk_widget_queue_resize (GTK_WIDGET (view));
4870 ev_view_continuous_changed_cb (EvDocumentModel *model,
4874 gboolean continuous = ev_document_model_get_continuous (model);
4876 view->continuous = continuous;
4877 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4878 gtk_widget_queue_resize (GTK_WIDGET (view));
4882 ev_view_dual_page_changed_cb (EvDocumentModel *model,
4886 gboolean dual_page = ev_document_model_get_dual_page (model);
4888 view->dual_page = dual_page;
4889 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4890 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
4891 * preload_cache_size to be 2 if dual_page is set.
4893 gtk_widget_queue_resize (GTK_WIDGET (view));
4897 ev_view_fullscreen_changed_cb (EvDocumentModel *model,
4901 gboolean fullscreen = ev_document_model_get_fullscreen (model);
4903 view->fullscreen = fullscreen;
4904 gtk_widget_queue_resize (GTK_WIDGET (view));
4908 ev_view_set_model (EvView *view,
4909 EvDocumentModel *model)
4911 g_return_if_fail (EV_IS_VIEW (view));
4912 g_return_if_fail (EV_IS_DOCUMENT_MODEL (model));
4914 if (model == view->model)
4918 g_signal_handlers_disconnect_by_func (view->model,
4919 ev_view_document_changed_cb,
4921 g_signal_handlers_disconnect_by_func (view->model,
4922 ev_view_page_changed_cb,
4924 g_object_unref (view->model);
4926 view->model = g_object_ref (model);
4928 /* Initialize view from model */
4929 view->rotation = ev_document_model_get_rotation (view->model);
4930 view->sizing_mode = ev_document_model_get_sizing_mode (view->model);
4931 view->scale = ev_document_model_get_scale (view->model);
4932 view->continuous = ev_document_model_get_continuous (view->model);
4933 view->dual_page = ev_document_model_get_dual_page (view->model);
4934 view->fullscreen = ev_document_model_get_fullscreen (view->model);
4935 ev_view_document_changed_cb (view->model, NULL, view);
4937 g_signal_connect (view->model, "notify::document",
4938 G_CALLBACK (ev_view_document_changed_cb),
4940 g_signal_connect (view->model, "notify::rotation",
4941 G_CALLBACK (ev_view_rotation_changed_cb),
4943 g_signal_connect (view->model, "notify::inverted-colors",
4944 G_CALLBACK (ev_view_inverted_colors_changed_cb),
4946 g_signal_connect (view->model, "notify::sizing-mode",
4947 G_CALLBACK (ev_view_sizing_mode_changed_cb),
4949 g_signal_connect (view->model, "notify::scale",
4950 G_CALLBACK (ev_view_scale_changed_cb),
4952 g_signal_connect (view->model, "notify::continuous",
4953 G_CALLBACK (ev_view_continuous_changed_cb),
4955 g_signal_connect (view->model, "notify::dual-page",
4956 G_CALLBACK (ev_view_dual_page_changed_cb),
4958 g_signal_connect (view->model, "notify::fullscreen",
4959 G_CALLBACK (ev_view_fullscreen_changed_cb),
4961 g_signal_connect (view->model, "page-changed",
4962 G_CALLBACK (ev_view_page_changed_cb),
4967 ev_view_reload_page (EvView *view,
4969 cairo_region_t *region)
4971 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
4979 ev_view_reload (EvView *view)
4981 ev_pixbuf_cache_clear (view->pixbuf_cache);
4982 view_update_range_and_current_page (view);
4985 /*** Zoom and sizing mode ***/
4988 ev_view_can_zoom_in (EvView *view)
4990 return view->scale * ZOOM_IN_FACTOR <= ev_document_model_get_max_scale (view->model);
4994 ev_view_can_zoom_out (EvView *view)
4996 return view->scale * ZOOM_OUT_FACTOR >= ev_document_model_get_min_scale (view->model);
5000 ev_view_zoom_in (EvView *view)
5004 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5006 view->pending_scroll = SCROLL_TO_CENTER;
5007 scale = ev_document_model_get_scale (view->model) * ZOOM_IN_FACTOR;
5008 ev_document_model_set_scale (view->model, scale);
5012 ev_view_zoom_out (EvView *view)
5016 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5018 view->pending_scroll = SCROLL_TO_CENTER;
5019 scale = ev_document_model_get_scale (view->model) * ZOOM_OUT_FACTOR;
5020 ev_document_model_set_scale (view->model, scale);
5024 zoom_for_size_fit_width (gdouble doc_width,
5029 return (double)target_width / doc_width;
5033 zoom_for_size_fit_height (gdouble doc_width,
5038 return (double)target_height / doc_height;
5042 zoom_for_size_best_fit (gdouble doc_width,
5050 w_scale = (double)target_width / doc_width;
5051 h_scale = (double)target_height / doc_height;
5053 return MIN (w_scale, h_scale);
5057 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
5061 gdouble doc_width, doc_height;
5066 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5067 if (view->rotation == 90 || view->rotation == 270) {
5071 doc_width = doc_height;
5075 compute_border (view, doc_width, doc_height, &border);
5078 width -= (2 * (border.left + border.right) + 3 * view->spacing);
5079 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5081 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5083 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5084 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5085 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5086 scale = zoom_for_size_best_fit (doc_width, doc_height, width - sb_size, height);
5088 g_assert_not_reached ();
5090 ev_document_model_set_scale (view->model, scale);
5094 ev_view_zoom_for_size_continuous (EvView *view,
5098 gdouble doc_width, doc_height;
5103 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5104 if (view->rotation == 90 || view->rotation == 270) {
5108 doc_width = doc_height;
5112 compute_border (view, doc_width, doc_height, &border);
5114 width -= (border.left + border.right + 2 * view->spacing);
5115 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5117 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5119 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5120 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5121 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5122 scale = zoom_for_size_best_fit (doc_width, doc_height, width - sb_size, height);
5124 g_assert_not_reached ();
5126 ev_document_model_set_scale (view->model, scale);
5130 ev_view_zoom_for_size_dual_page (EvView *view,
5135 gdouble doc_width, doc_height;
5139 other_page = view->current_page ^ 1;
5141 /* Find the largest of the two. */
5142 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5143 if (other_page < ev_document_get_n_pages (view->document)) {
5144 gdouble width_2, height_2;
5146 get_doc_page_size (view, other_page, &width_2, &height_2);
5147 if (width_2 > doc_width)
5148 doc_width = width_2;
5149 if (height_2 > doc_height)
5150 doc_height = height_2;
5152 compute_border (view, width, height, &border);
5154 doc_width = doc_width * 2;
5155 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
5156 height -= (border.top + border.bottom + 2 * view->spacing);
5158 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5161 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5162 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5163 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5164 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5166 g_assert_not_reached ();
5168 ev_document_model_set_scale (view->model, scale);
5172 ev_view_zoom_for_size_single_page (EvView *view,
5176 gdouble doc_width, doc_height;
5180 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5182 /* Get an approximate border */
5183 compute_border (view, width, height, &border);
5185 width -= (border.left + border.right + 2 * view->spacing);
5186 height -= (border.top + border.bottom + 2 * view->spacing);
5188 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5191 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5192 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5193 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5194 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5196 g_assert_not_reached ();
5198 ev_document_model_set_scale (view->model, scale);
5202 ev_view_zoom_for_size (EvView *view,
5206 g_return_if_fail (EV_IS_VIEW (view));
5207 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
5208 view->sizing_mode == EV_SIZING_BEST_FIT);
5209 g_return_if_fail (width >= 0);
5210 g_return_if_fail (height >= 0);
5212 if (view->document == NULL)
5215 if (view->continuous && view->dual_page)
5216 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height);
5217 else if (view->continuous)
5218 ev_view_zoom_for_size_continuous (view, width, height);
5219 else if (view->dual_page)
5220 ev_view_zoom_for_size_dual_page (view, width, height);
5222 ev_view_zoom_for_size_single_page (view, width, height);
5227 ev_view_find_get_n_results (EvView *view, gint page)
5229 return view->find_pages ? g_list_length (view->find_pages[page]) : 0;
5232 static EvRectangle *
5233 ev_view_find_get_result (EvView *view, gint page, gint result)
5235 return view->find_pages ? (EvRectangle *) g_list_nth_data (view->find_pages[page], result) : NULL;
5239 jump_to_find_result (EvView *view)
5242 gint page = view->current_page;
5244 n_results = ev_view_find_get_n_results (view, page);
5246 if (n_results > 0 && view->find_result < n_results) {
5248 GdkRectangle view_rect;
5250 rect = ev_view_find_get_result (view, page, view->find_result);
5251 doc_rect_to_view_rect (view, page, rect, &view_rect);
5252 ensure_rectangle_is_visible (view, &view_rect);
5253 view->jump_to_find_result = FALSE;
5259 * @view: #EvView instance
5260 * @direction: Direction to look
5261 * @shift: Shift from current page
5263 * Jumps to the first page that has occurences of searched word.
5264 * Uses a direction where to look and a shift from current page.
5268 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
5272 n_pages = ev_document_get_n_pages (view->document);
5274 for (i = 0; i < n_pages; i++) {
5277 if (direction == EV_VIEW_FIND_NEXT)
5278 page = view->current_page + i;
5280 page = view->current_page - i;
5283 if (page >= n_pages) {
5284 page = page - n_pages;
5285 } else if (page < 0)
5286 page = page + n_pages;
5288 if (ev_view_find_get_n_results (view, page) > 0) {
5289 ev_document_model_set_page (view->model, page);
5296 ev_view_find_changed (EvView *view, GList **results, gint page)
5298 view->find_pages = results;
5300 if (view->jump_to_find_result == TRUE) {
5301 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
5302 jump_to_find_result (view);
5305 if (view->current_page == page)
5306 gtk_widget_queue_draw (GTK_WIDGET (view));
5310 ev_view_find_next (EvView *view)
5314 n_results = ev_view_find_get_n_results (view, view->current_page);
5315 view->find_result++;
5317 if (view->find_result >= n_results) {
5318 view->find_result = 0;
5319 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
5320 jump_to_find_result (view);
5322 jump_to_find_result (view);
5323 gtk_widget_queue_draw (GTK_WIDGET (view));
5328 ev_view_find_previous (EvView *view)
5330 view->find_result--;
5332 if (view->find_result < 0) {
5333 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
5334 view->find_result = MAX (0, ev_view_find_get_n_results (view, view->current_page) - 1);
5335 jump_to_find_result (view);
5337 jump_to_find_result (view);
5338 gtk_widget_queue_draw (GTK_WIDGET (view));
5343 ev_view_find_search_changed (EvView *view)
5345 /* search string has changed, focus on new search result */
5346 view->jump_to_find_result = TRUE;
5347 view->find_pages = NULL;
5351 ev_view_find_set_highlight_search (EvView *view, gboolean value)
5353 view->highlight_find_results = value;
5354 gtk_widget_queue_draw (GTK_WIDGET (view));
5358 ev_view_find_cancel (EvView *view)
5360 view->find_pages = NULL;
5365 ev_view_highlight_forward_search (EvView *view,
5370 GdkRectangle view_rect;
5372 if (!ev_document_has_synctex (view->document))
5375 mapping = ev_document_synctex_forward_search (view->document, link);
5379 if (view->synctex_result)
5380 g_free (view->synctex_result);
5381 view->synctex_result = mapping;
5383 page = GPOINTER_TO_INT (mapping->data);
5384 ev_document_model_set_page (view->model, page);
5386 doc_rect_to_view_rect (view, page, &mapping->area, &view_rect);
5387 ensure_rectangle_is_visible (view, &view_rect);
5388 gtk_widget_queue_draw (GTK_WIDGET (view));
5391 /*** Selections ***/
5393 /* compute_new_selection_rect/text calculates the area currently selected by
5394 * view_rect. each handles a different mode;
5397 compute_new_selection_rect (EvView *view,
5401 GdkRectangle view_rect;
5405 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
5407 view_rect.x = MIN (start->x, stop->x);
5408 view_rect.y = MIN (start->y, stop->y);
5409 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
5410 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
5412 n_pages = ev_document_get_n_pages (view->document);
5414 for (i = 0; i < n_pages; i++) {
5415 GdkRectangle page_area;
5418 if (ev_view_get_page_extents (view, i, &page_area, &border)) {
5419 GdkRectangle overlap;
5421 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
5422 EvViewSelection *selection;
5424 selection = g_new0 (EvViewSelection, 1);
5425 selection->page = i;
5426 view_rect_to_doc_rect (view, &overlap, &page_area,
5427 &(selection->rect));
5429 list = g_list_append (list, selection);
5438 gdk_rectangle_point_in (GdkRectangle *rectangle,
5441 return rectangle->x <= point->x &&
5442 rectangle->y <= point->y &&
5443 point->x < rectangle->x + rectangle->width &&
5444 point->y < rectangle->y + rectangle->height;
5448 compute_new_selection_text (EvView *view,
5449 EvSelectionStyle style,
5453 int n_pages, i, first, last;
5455 EvViewSelection *selection;
5456 gdouble width, height;
5457 int start_page, end_page;
5459 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
5461 n_pages = ev_document_get_n_pages (view->document);
5463 /* First figure out the range of pages the selection
5467 if (view->continuous) {
5470 } else if (view->dual_page) {
5471 start_page = view->start_page;
5472 end_page = view->end_page + 1;
5474 start_page = view->current_page;
5475 end_page = view->current_page + 1;
5478 for (i = start_page; i < end_page; i++) {
5479 GdkRectangle page_area;
5482 ev_view_get_page_extents (view, i, &page_area, &border);
5483 if (gdk_rectangle_point_in (&page_area, start) ||
5484 gdk_rectangle_point_in (&page_area, stop)) {
5485 if (first == n_pages)
5492 /* Now create a list of EvViewSelection's for the affected
5493 * pages. This could be an empty list, a list of just one
5494 * page or a number of pages.*/
5495 for (i = first; i < last + 1; i++) {
5496 GdkRectangle page_area;
5500 get_doc_page_size (view, i, &width, &height);
5502 selection = g_new0 (EvViewSelection, 1);
5503 selection->page = i;
5504 selection->style = style;
5505 selection->rect.x1 = selection->rect.y1 = 0;
5506 selection->rect.x2 = width;
5507 selection->rect.y2 = height;
5509 ev_view_get_page_extents (view, i, &page_area, &border);
5511 if (gdk_rectangle_point_in (&page_area, start))
5517 view_point_to_doc_point (view, point, &page_area,
5518 &selection->rect.x1,
5519 &selection->rect.y1);
5521 /* If the selection is contained within just one page,
5522 * make sure we don't write 'start' into both points
5523 * in selection->rect. */
5528 view_point_to_doc_point (view, point, &page_area,
5529 &selection->rect.x2,
5530 &selection->rect.y2);
5532 list = g_list_append (list, selection);
5538 /* This function takes the newly calculated list, and figures out which regions
5539 * have changed. It then queues a redraw approporiately.
5542 merge_selection_region (EvView *view,
5546 GList *new_list_ptr, *old_list_ptr;
5548 /* Update the selection */
5549 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
5550 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5551 g_list_free (view->selection_info.selections);
5552 view->selection_info.selections = new_list;
5553 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
5554 g_signal_emit (view, signals[SIGNAL_SELECTION_CHANGED], 0, NULL);
5556 new_list_ptr = new_list;
5557 old_list_ptr = old_list;
5559 while (new_list_ptr || old_list_ptr) {
5560 EvViewSelection *old_sel, *new_sel;
5562 cairo_region_t *region = NULL;
5564 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
5565 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
5567 /* Assume that the lists are in order, and we run through them
5568 * comparing them, one page at a time. We come out with the
5569 * first page we see. */
5570 if (new_sel && old_sel) {
5571 if (new_sel->page < old_sel->page) {
5572 new_list_ptr = new_list_ptr->next;
5574 } else if (new_sel->page > old_sel->page) {
5575 old_list_ptr = old_list_ptr->next;
5578 new_list_ptr = new_list_ptr->next;
5579 old_list_ptr = old_list_ptr->next;
5581 } else if (new_sel) {
5582 new_list_ptr = new_list_ptr->next;
5583 } else if (old_sel) {
5584 old_list_ptr = old_list_ptr->next;
5587 g_assert (new_sel || old_sel);
5589 /* is the page we're looking at on the screen?*/
5590 cur_page = new_sel ? new_sel->page : old_sel->page;
5591 if (cur_page < view->start_page || cur_page > view->end_page)
5594 /* seed the cache with a new page. We are going to need the new
5597 cairo_region_t *tmp_region = NULL;
5599 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
5604 if (tmp_region && !cairo_region_is_empty (tmp_region)) {
5605 new_sel->covered_region = cairo_region_reference (tmp_region);
5609 /* Now we figure out what needs redrawing */
5610 if (old_sel && new_sel) {
5611 if (old_sel->covered_region && new_sel->covered_region) {
5612 cairo_region_t *tbr;
5614 /* We only want to redraw the areas that have
5615 * changed, so we xor the old and new regions
5616 * and redraw if it's different */
5617 region = cairo_region_copy (old_sel->covered_region);
5618 tbr = cairo_region_copy (new_sel->covered_region);
5620 /* xor old_sel, new_sel*/
5621 cairo_region_subtract (tbr, region);
5622 cairo_region_subtract (region, new_sel->covered_region);
5623 cairo_region_union (region, tbr);
5624 cairo_region_destroy (tbr);
5626 if (cairo_region_is_empty (region)) {
5627 cairo_region_destroy (region);
5630 gint num_rectangles = cairo_region_num_rectangles (region);
5633 /* We need to make the damage region a little bigger
5634 * because the edges of the old selection might change
5636 cairo_region_get_rectangle (region, 0, &r);
5639 cairo_region_union_rectangle (region, &r);
5641 cairo_region_get_rectangle (region, num_rectangles - 1, &r);
5644 cairo_region_union_rectangle (region, &r);
5646 } else if (old_sel->covered_region) {
5647 region = cairo_region_copy (old_sel->covered_region);
5648 } else if (new_sel->covered_region) {
5649 region = cairo_region_copy (new_sel->covered_region);
5651 } else if (old_sel && !new_sel) {
5652 if (old_sel->covered_region && !cairo_region_is_empty (old_sel->covered_region)) {
5653 region = cairo_region_copy (old_sel->covered_region);
5655 } else if (!old_sel && new_sel) {
5656 if (new_sel->covered_region && !cairo_region_is_empty (new_sel->covered_region)) {
5657 region = cairo_region_copy (new_sel->covered_region);
5660 g_assert_not_reached ();
5663 /* Redraw the damaged region! */
5665 GdkWindow *bin_window;
5666 GdkRectangle page_area;
5669 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
5670 ev_view_get_page_extents (view, cur_page, &page_area, &border);
5671 cairo_region_translate (region,
5672 page_area.x + border.left - view->scroll_x,
5673 page_area.y + border.top - view->scroll_y);
5674 gdk_window_invalidate_region (bin_window, region, TRUE);
5675 cairo_region_destroy (region);
5679 /* Free the old list, now that we're done with it. */
5680 g_list_foreach (old_list, (GFunc) selection_free, NULL);
5681 g_list_free (old_list);
5685 compute_selections (EvView *view,
5686 EvSelectionStyle style,
5692 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
5693 list = compute_new_selection_rect (view, start, stop);
5695 list = compute_new_selection_text (view, style, start, stop);
5696 merge_selection_region (view, list);
5699 /* Free's the selection. It's up to the caller to queue redraws if needed.
5702 selection_free (EvViewSelection *selection)
5704 if (selection->covered_region)
5705 cairo_region_destroy (selection->covered_region);
5710 clear_selection (EvView *view)
5712 if (view->selection_info.selections) {
5713 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5714 g_list_free (view->selection_info.selections);
5715 view->selection_info.selections = NULL;
5717 g_signal_emit (view, signals[SIGNAL_SELECTION_CHANGED], 0, NULL);
5719 view->selection_info.in_selection = FALSE;
5720 if (view->pixbuf_cache)
5721 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
5725 ev_view_select_all (EvView *view)
5727 GList *selections = NULL;
5730 /* Disable selection on rotated pages for the 0.4.0 series */
5731 if (view->rotation != 0)
5734 clear_selection (view);
5736 n_pages = ev_document_get_n_pages (view->document);
5737 for (i = 0; i < n_pages; i++) {
5738 gdouble width, height;
5739 EvViewSelection *selection;
5741 get_doc_page_size (view, i, &width, &height);
5743 selection = g_new0 (EvViewSelection, 1);
5744 selection->page = i;
5745 selection->style = EV_SELECTION_STYLE_GLYPH;
5746 selection->rect.x1 = selection->rect.y1 = 0;
5747 selection->rect.x2 = width;
5748 selection->rect.y2 = height;
5750 selections = g_list_append (selections, selection);
5753 merge_selection_region (view, selections);
5754 gtk_widget_queue_draw (GTK_WIDGET (view));
5758 ev_view_get_has_selection (EvView *view)
5760 return view->selection_info.selections != NULL;
5764 get_selected_text (EvView *view)
5768 gchar *normalized_text;
5770 text = g_string_new (NULL);
5772 ev_document_doc_mutex_lock ();
5774 for (l = view->selection_info.selections; l != NULL; l = l->next) {
5775 EvViewSelection *selection = (EvViewSelection *)l->data;
5779 page = ev_document_get_page (view->document, selection->page);
5780 tmp = ev_selection_get_selected_text (EV_SELECTION (view->document),
5781 page, selection->style,
5782 &(selection->rect));
5783 g_object_unref (page);
5784 g_string_append (text, tmp);
5788 ev_document_doc_mutex_unlock ();
5790 normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC);
5791 g_string_free (text, TRUE);
5792 return normalized_text;
5796 ev_view_clipboard_copy (EvView *view,
5799 GtkClipboard *clipboard;
5801 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
5802 GDK_SELECTION_CLIPBOARD);
5803 gtk_clipboard_set_text (clipboard, text, -1);
5807 ev_view_copy (EvView *ev_view)
5811 if (!EV_IS_SELECTION (ev_view->document))
5814 text = get_selected_text (ev_view);
5815 ev_view_clipboard_copy (ev_view, text);
5820 ev_view_primary_get_cb (GtkClipboard *clipboard,
5821 GtkSelectionData *selection_data,
5825 EvView *ev_view = EV_VIEW (data);
5827 if (ev_view->link_selected) {
5828 gtk_selection_data_set_text (selection_data,
5829 ev_link_action_get_uri (ev_view->link_selected),
5831 } else if (EV_IS_SELECTION (ev_view->document) &&
5832 ev_view->selection_info.selections) {
5835 text = get_selected_text (ev_view);
5837 gtk_selection_data_set_text (selection_data, text, -1);
5844 ev_view_primary_clear_cb (GtkClipboard *clipboard,
5847 EvView *view = EV_VIEW (data);
5849 clear_selection (view);
5850 clear_link_selected (view);
5854 ev_view_update_primary_selection (EvView *ev_view)
5856 GtkClipboard *clipboard;
5858 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
5859 GDK_SELECTION_PRIMARY);
5861 if (ev_view->selection_info.selections || ev_view->link_selected) {
5862 GtkTargetList *target_list;
5863 GtkTargetEntry *targets;
5866 target_list = gtk_target_list_new (NULL, 0);
5867 gtk_target_list_add_text_targets (target_list, 0);
5868 targets = gtk_target_table_new_from_list (target_list, &n_targets);
5869 gtk_target_list_unref (target_list);
5871 if (!gtk_clipboard_set_with_owner (clipboard,
5873 ev_view_primary_get_cb,
5874 ev_view_primary_clear_cb,
5875 G_OBJECT (ev_view)))
5876 ev_view_primary_clear_cb (clipboard, ev_view);
5878 gtk_target_table_free (targets, n_targets);
5880 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
5881 gtk_clipboard_clear (clipboard);
5886 clear_link_selected (EvView *view)
5888 if (view->link_selected) {
5889 g_object_unref (view->link_selected);
5890 view->link_selected = NULL;
5895 ev_view_copy_link_address (EvView *view,
5896 EvLinkAction *action)
5898 clear_link_selected (view);
5900 ev_view_clipboard_copy (view, ev_link_action_get_uri (action));
5902 view->link_selected = g_object_ref (action);
5903 ev_view_update_primary_selection (view);
5906 /*** Cursor operations ***/
5908 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
5910 GdkCursor *cursor = NULL;
5912 GdkWindow *bin_window;
5914 if (view->cursor == new_cursor) {
5918 view->cursor = new_cursor;
5920 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
5921 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
5922 cursor = ev_view_cursor_new (gtk_widget_get_display (widget), new_cursor);
5923 gdk_window_set_cursor (bin_window, cursor);
5926 gdk_cursor_unref (cursor);
5930 ev_view_hide_cursor (EvView *view)
5932 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
5936 ev_view_show_cursor (EvView *view)
5938 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
5942 ev_view_next_page (EvView *view)
5946 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5948 if (!view->document)
5951 page = ev_document_model_get_page (view->model);
5952 n_pages = ev_document_get_n_pages (view->document);
5954 if (view->dual_page)
5959 if (page < n_pages) {
5960 ev_document_model_set_page (view->model, page);
5962 } else if (view->dual_page && page == n_pages) {
5963 ev_document_model_set_page (view->model, page - 1);
5971 ev_view_previous_page (EvView *view)
5975 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5977 if (!view->document)
5980 page = ev_document_model_get_page (view->model);
5982 if (view->dual_page)
5988 ev_document_model_set_page (view->model, page);
5990 } else if (view->dual_page && page == -1) {
5991 ev_document_model_set_page (view->model, 0);