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 focus_annotation (EvView *view,
184 static void draw_one_page (EvView *view,
187 GdkRectangle *page_area,
189 GdkRectangle *expose_area,
190 gboolean *page_ready);
191 static void show_loading_window (EvView *view);
192 static void hide_loading_window (EvView *view);
193 static void ev_view_reload_page (EvView *view,
195 cairo_region_t *region);
196 static void ev_view_loading_window_move (EvView *view);
199 static void ev_view_change_page (EvView *view,
201 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
202 cairo_region_t *region,
204 static void ev_view_page_changed_cb (EvDocumentModel *model,
208 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
212 static void ev_view_finalize (GObject *object);
213 static void ev_view_destroy (GtkObject *object);
214 static void ev_view_class_init (EvViewClass *class);
215 static void ev_view_init (EvView *view);
217 /*** Zoom and sizing ***/
218 static double zoom_for_size_fit_width (gdouble doc_width,
222 static double zoom_for_size_fit_height (gdouble doc_width,
226 static double zoom_for_size_best_fit (gdouble doc_width,
230 static void ev_view_zoom_for_size (EvView *view,
233 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
236 static void ev_view_zoom_for_size_continuous (EvView *view,
239 static void ev_view_zoom_for_size_dual_page (EvView *view,
242 static void ev_view_zoom_for_size_single_page (EvView *view,
246 static void ev_view_set_cursor (EvView *view,
247 EvViewCursor new_cursor);
248 static void ev_view_handle_cursor_over_xy (EvView *view,
253 static gint ev_view_find_get_n_results (EvView *view,
255 static EvRectangle *ev_view_find_get_result (EvView *view,
258 static void jump_to_find_result (EvView *view);
259 static void jump_to_find_page (EvView *view,
260 EvViewFindDirection direction,
263 static void compute_selections (EvView *view,
264 EvSelectionStyle style,
267 static void clear_selection (EvView *view);
268 static void clear_link_selected (EvView *view);
269 static void selection_free (EvViewSelection *selection);
270 static char* get_selected_text (EvView *ev_view);
271 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
272 GtkSelectionData *selection_data,
275 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
277 static void ev_view_update_primary_selection (EvView *ev_view);
279 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_LAYOUT)
281 /* HeightToPage cache */
282 #define EV_HEIGHT_TO_PAGE_CACHE_KEY "ev-height-to-page-cache"
285 build_height_to_page (EvHeightToPageCache *cache,
286 EvDocument *document,
289 gboolean swap, uniform, dual_even_left;
291 double uniform_height, page_height, next_page_height;
293 gdouble u_width, u_height;
296 swap = (rotation == 90 || rotation == 270);
298 uniform = ev_document_is_page_size_uniform (document);
299 n_pages = ev_document_get_n_pages (document);
300 dual_even_left = (n_pages > 2);
302 g_free (cache->height_to_page);
303 g_free (cache->dual_height_to_page);
305 cache->rotation = rotation;
306 cache->height_to_page = g_new0 (gdouble, n_pages + 1);
307 cache->dual_height_to_page = g_new0 (gdouble, n_pages + 2);
310 ev_document_get_page_size (document, 0, &u_width, &u_height);
313 for (i = 0; i <= n_pages; i++) {
315 uniform_height = swap ? u_width : u_height;
316 cache->height_to_page[i] = i * uniform_height;
321 ev_document_get_page_size (document, i, &w, &h);
322 page_height = swap ? w : h;
326 cache->height_to_page[i] = saved_height;
327 saved_height += page_height;
331 if (dual_even_left && !uniform) {
334 ev_document_get_page_size (document, 0, &w, &h);
335 saved_height = swap ? w : h;
340 for (i = dual_even_left; i < n_pages + 2; i += 2) {
342 uniform_height = swap ? u_width : u_height;
343 cache->dual_height_to_page[i] = ((i + dual_even_left) / 2) * uniform_height;
344 if (i + 1 < n_pages + 2)
345 cache->dual_height_to_page[i + 1] = ((i + dual_even_left) / 2) * uniform_height;
347 if (i + 1 < n_pages) {
350 ev_document_get_page_size (document, i + 1, &w, &h);
351 next_page_height = swap ? w : h;
353 next_page_height = 0;
359 ev_document_get_page_size (document, i, &w, &h);
360 page_height = swap ? w : h;
365 if (i + 1 < n_pages + 2) {
366 cache->dual_height_to_page[i] = saved_height;
367 cache->dual_height_to_page[i + 1] = saved_height;
368 saved_height += MAX(page_height, next_page_height);
370 cache->dual_height_to_page[i] = saved_height;
377 ev_height_to_page_cache_get_height (EvHeightToPageCache *cache,
378 EvDocument *document,
382 gdouble *dual_height)
384 if (cache->rotation != rotation)
385 build_height_to_page (cache, document, rotation);
387 *height = cache->height_to_page[page];
388 *dual_height = cache->dual_height_to_page[page];
392 ev_height_to_page_cache_free (EvHeightToPageCache *cache)
394 if (cache->height_to_page) {
395 g_free (cache->height_to_page);
396 cache->height_to_page = NULL;
399 if (cache->dual_height_to_page) {
400 g_free (cache->dual_height_to_page);
401 cache->dual_height_to_page = NULL;
406 static EvHeightToPageCache *
407 ev_view_get_height_to_page_cache (EvView *view)
409 EvHeightToPageCache *cache;
414 cache = g_object_get_data (G_OBJECT (view->document), EV_HEIGHT_TO_PAGE_CACHE_KEY);
416 cache = g_new0 (EvHeightToPageCache, 1);
417 build_height_to_page (cache, view->document, view->rotation);
418 g_object_set_data_full (G_OBJECT (view->document),
419 EV_HEIGHT_TO_PAGE_CACHE_KEY,
421 (GDestroyNotify)ev_height_to_page_cache_free);
428 ev_view_get_height_to_page (EvView *view,
435 if (!view->height_to_page_cache)
438 ev_height_to_page_cache_get_height (view->height_to_page_cache,
444 *height = (gint)(h * view->scale + 0.5);
447 *dual_height = (gint)(dh * view->scale + 0.5);
451 ev_view_get_scrollbar_size (EvView *view,
452 GtkOrientation orientation)
454 GtkWidget *widget = GTK_WIDGET (view);
456 GtkWidget *swindow = gtk_widget_get_parent (GTK_WIDGET (view));
457 GtkAllocation allocation;
461 if (!GTK_IS_SCROLLED_WINDOW (swindow))
464 gtk_widget_get_allocation (widget, &allocation);
466 if (orientation == GTK_ORIENTATION_VERTICAL) {
467 if (allocation.height >= view->requisition.height)
468 sb = gtk_scrolled_window_get_vscrollbar (GTK_SCROLLED_WINDOW (swindow));
472 if (allocation.width >= view->requisition.width)
473 sb = gtk_scrolled_window_get_hscrollbar (GTK_SCROLLED_WINDOW (swindow));
478 gtk_widget_style_get (swindow, "scrollbar_spacing", &spacing, NULL);
479 gtk_widget_size_request (sb, &req);
481 return (orientation == GTK_ORIENTATION_VERTICAL ? req.width : req.height) + spacing;
485 scroll_to_point (EvView *view,
488 GtkOrientation orientation)
491 gdouble upper, lower;
493 if (orientation == GTK_ORIENTATION_VERTICAL) {
494 page_size = gtk_adjustment_get_page_size (view->vadjustment);
495 upper = gtk_adjustment_get_upper (view->vadjustment);
496 lower = gtk_adjustment_get_lower (view->vadjustment);
498 if (view->continuous) {
499 gtk_adjustment_clamp_page (view->vadjustment,
500 y - view->spacing / 2,
503 gtk_adjustment_set_value (view->vadjustment,
504 CLAMP (y, lower, upper - page_size));
507 page_size = gtk_adjustment_get_page_size (view->hadjustment);
508 upper = gtk_adjustment_get_upper (view->hadjustment);
509 lower = gtk_adjustment_get_lower (view->hadjustment);
511 if (view->dual_page) {
512 gtk_adjustment_clamp_page (view->hadjustment, x,
515 gtk_adjustment_set_value (view->hadjustment,
516 CLAMP (x, lower, upper - page_size));
522 ev_view_scroll_to_page_position (EvView *view, GtkOrientation orientation)
529 if ((orientation == GTK_ORIENTATION_VERTICAL && view->pending_point.y == 0) ||
530 (orientation == GTK_ORIENTATION_HORIZONTAL && view->pending_point.x == 0)) {
531 GdkRectangle page_area;
534 ev_view_get_page_extents (view, view->current_page, &page_area, &border);
540 doc_point_to_view_point (view, view->current_page,
541 &view->pending_point, &view_point);
546 scroll_to_point (view, x, y, orientation);
550 view_set_adjustment_values (EvView *view,
551 GtkOrientation orientation)
553 GtkWidget *widget = GTK_WIDGET (view);
554 GtkAdjustment *adjustment;
555 GtkAllocation allocation;
564 gtk_widget_get_allocation (widget, &allocation);
566 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
567 req_size = view->requisition.width;
568 alloc_size = allocation.width;
569 adjustment = view->hadjustment;
571 req_size = view->requisition.height;
572 alloc_size = allocation.height;
573 adjustment = view->vadjustment;
580 value = gtk_adjustment_get_value (adjustment);
581 upper = gtk_adjustment_get_upper (adjustment);
582 page_size = gtk_adjustment_get_page_size (adjustment);
584 switch (view->pending_scroll) {
585 case SCROLL_TO_KEEP_POSITION:
586 case SCROLL_TO_FIND_LOCATION:
587 factor = value / upper;
589 case SCROLL_TO_PAGE_POSITION:
591 case SCROLL_TO_CENTER:
592 factor = (value + page_size * 0.5) / upper;
596 upper = MAX (alloc_size, req_size);
597 page_size = alloc_size;
599 gtk_adjustment_set_page_size (adjustment, page_size);
600 gtk_adjustment_set_step_increment (adjustment, alloc_size * 0.1);
601 gtk_adjustment_set_page_increment (adjustment, alloc_size * 0.9);
602 gtk_adjustment_set_lower (adjustment, 0);
603 gtk_adjustment_set_upper (adjustment, upper);
606 * We add 0.5 to the values before to average out our rounding errors.
608 switch (view->pending_scroll) {
609 case SCROLL_TO_KEEP_POSITION:
610 case SCROLL_TO_FIND_LOCATION:
611 new_value = CLAMP (upper * factor + 0.5, 0, upper - page_size);
612 gtk_adjustment_set_value (adjustment, (int)new_value);
614 case SCROLL_TO_PAGE_POSITION:
615 ev_view_scroll_to_page_position (view, orientation);
617 case SCROLL_TO_CENTER:
618 new_value = CLAMP (upper * factor - page_size * 0.5 + 0.5,
619 0, upper - page_size);
620 gtk_adjustment_set_value (adjustment, (int)new_value);
624 gtk_adjustment_changed (adjustment);
628 view_update_range_and_current_page (EvView *view)
630 gint start = view->start_page;
631 gint end = view->end_page;
633 if (ev_document_get_n_pages (view->document) <= 0 ||
634 !ev_document_check_dimensions (view->document))
637 if (view->continuous) {
638 GdkRectangle current_area, unused, page_area;
640 gboolean found = FALSE;
641 gint area_max = -1, area;
642 gint best_current_page = -1;
645 if (!(view->vadjustment && view->hadjustment))
648 current_area.x = gtk_adjustment_get_value (view->hadjustment);
649 current_area.width = gtk_adjustment_get_page_size (view->hadjustment);
650 current_area.y = gtk_adjustment_get_value (view->vadjustment);
651 current_area.height = gtk_adjustment_get_page_size (view->vadjustment);
653 for (i = 0; i < ev_document_get_n_pages (view->document); i++) {
655 ev_view_get_page_extents (view, i, &page_area, &border);
657 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
658 area = unused.width * unused.height;
662 view->start_page = i;
664 best_current_page = i;
666 if (area > area_max) {
667 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
673 } else if (found && view->current_page <= view->end_page) {
674 if (view->dual_page && j < 1) {
675 /* In dual mode we stop searching
676 * after two consecutive non-visible pages.
685 if (view->pending_scroll == SCROLL_TO_KEEP_POSITION) {
686 best_current_page = MAX (best_current_page, view->start_page);
688 if (view->current_page != best_current_page) {
689 view->current_page = best_current_page;
690 hide_loading_window (view);
691 ev_document_model_set_page (view->model, best_current_page);
694 } else if (view->dual_page) {
695 if (view->current_page % 2 == get_dual_even_left (view)) {
696 view->start_page = view->current_page;
697 if (view->current_page + 1 < ev_document_get_n_pages (view->document))
698 view->end_page = view->start_page + 1;
700 view->end_page = view->start_page;
702 if (view->current_page < 1)
703 view->start_page = view->current_page;
705 view->start_page = view->current_page - 1;
706 view->end_page = view->current_page;
709 view->start_page = view->current_page;
710 view->end_page = view->current_page;
713 if (view->start_page == -1 || view->end_page == -1)
716 if (start != view->start_page || end != view->end_page) {
719 for (i = start; i < view->start_page && start != -1; i++) {
720 hide_annotation_windows (view, i);
723 for (i = end; i > view->end_page && end != -1; i--) {
724 hide_annotation_windows (view, i);
728 ev_page_cache_set_page_range (view->page_cache,
731 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
734 view->selection_info.selections);
736 if (ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page))
737 gtk_widget_queue_draw (GTK_WIDGET (view));
741 set_scroll_adjustment (EvView *view,
742 GtkOrientation orientation,
743 GtkAdjustment *adjustment)
745 GtkAdjustment **to_set;
747 if (orientation == GTK_ORIENTATION_HORIZONTAL)
748 to_set = &view->hadjustment;
750 to_set = &view->vadjustment;
752 if (*to_set != adjustment) {
754 g_signal_handlers_disconnect_by_func (*to_set,
755 (gpointer) on_adjustment_value_changed,
757 g_object_unref (*to_set);
760 *to_set = adjustment;
761 view_set_adjustment_values (view, orientation);
764 g_object_ref (*to_set);
765 g_signal_connect (*to_set, "value_changed",
766 G_CALLBACK (on_adjustment_value_changed), view);
772 ev_view_set_scroll_adjustments (GtkLayout *layout,
773 GtkAdjustment *hadjustment,
774 GtkAdjustment *vadjustment)
776 EvView *view = EV_VIEW (layout);
778 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
779 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
781 on_adjustment_value_changed (NULL, view);
785 add_scroll_binding_keypad (GtkBindingSet *binding_set,
787 GdkModifierType modifiers,
788 GtkScrollType scroll,
791 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
793 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
794 "binding_activated", 2,
795 GTK_TYPE_SCROLL_TYPE, scroll,
796 G_TYPE_BOOLEAN, horizontal);
797 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
798 "binding_activated", 2,
799 GTK_TYPE_SCROLL_TYPE, scroll,
800 G_TYPE_BOOLEAN, horizontal);
804 compute_scroll_increment (EvView *view,
805 GtkScrollType scroll)
807 GtkWidget *widget = GTK_WIDGET (view);
808 GtkAdjustment *adjustment = view->vadjustment;
809 cairo_region_t *text_region, *region;
810 GtkAllocation allocation;
813 EvRectangle doc_rect;
814 GdkRectangle page_area;
816 gdouble fraction = 1.0;
818 if (scroll != GTK_SCROLL_PAGE_BACKWARD && scroll != GTK_SCROLL_PAGE_FORWARD)
819 return gtk_adjustment_get_page_size (adjustment);
821 page = scroll == GTK_SCROLL_PAGE_BACKWARD ? view->start_page : view->end_page;
823 text_region = ev_page_cache_get_text_mapping (view->page_cache, page);
824 if (!text_region || cairo_region_is_empty (text_region))
825 return gtk_adjustment_get_page_size (adjustment);
827 gtk_widget_get_allocation (widget, &allocation);
828 ev_view_get_page_extents (view, page, &page_area, &border);
829 rect.x = page_area.x + view->scroll_x;
830 rect.y = view->scroll_y + (scroll == GTK_SCROLL_PAGE_BACKWARD ? 5 : allocation.height - 5);
831 rect.width = page_area.width;
833 view_rect_to_doc_rect (view, &rect, &page_area, &doc_rect);
835 /* Convert the doc rectangle into a GdkRectangle */
836 rect.x = doc_rect.x1;
837 rect.y = doc_rect.y1;
838 rect.width = doc_rect.x2 - doc_rect.x1;
839 rect.height = MAX (1, doc_rect.y2 - doc_rect.y1);
840 region = cairo_region_create_rectangle (&rect);
842 cairo_region_intersect (region, text_region);
843 if (cairo_region_num_rectangles (region)) {
846 cairo_region_t *sel_region;
848 cairo_region_get_rectangle (region, 0, &rect);
849 ev_page = ev_document_get_page (view->document, page);
850 rc = ev_render_context_new (ev_page, view->rotation, view->scale);
851 g_object_unref (ev_page);
852 /* Get the selection region to know the height of the line */
853 doc_rect.x1 = doc_rect.x2 = rect.x + 0.5;
854 doc_rect.y1 = doc_rect.y2 = rect.y + 0.5;
856 ev_document_doc_mutex_lock ();
857 sel_region = ev_selection_get_selection_region (EV_SELECTION (view->document),
858 rc, EV_SELECTION_STYLE_LINE,
860 ev_document_doc_mutex_unlock ();
864 if (cairo_region_num_rectangles (sel_region) > 0) {
865 cairo_region_get_rectangle (sel_region, 0, &rect);
866 fraction = 1 - (rect.height / gtk_adjustment_get_page_size (adjustment));
868 cairo_region_destroy (sel_region);
870 cairo_region_destroy (region);
872 return gtk_adjustment_get_page_size (adjustment) * fraction;
877 ev_view_scroll (EvView *view,
878 GtkScrollType scroll,
881 GtkAdjustment *adjustment;
882 double value, increment;
883 gdouble upper, lower;
885 gdouble step_increment;
886 gboolean first_page = FALSE;
887 gboolean last_page = FALSE;
889 view->jump_to_find_result = FALSE;
891 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
893 case GTK_SCROLL_PAGE_BACKWARD:
894 case GTK_SCROLL_STEP_BACKWARD:
895 ev_view_previous_page (view);
897 case GTK_SCROLL_PAGE_FORWARD:
898 case GTK_SCROLL_STEP_FORWARD:
899 ev_view_next_page (view);
907 /* Assign values for increment and vertical adjustment */
908 adjustment = horizontal ? view->hadjustment : view->vadjustment;
909 value = gtk_adjustment_get_value (adjustment);
910 upper = gtk_adjustment_get_upper (adjustment);
911 lower = gtk_adjustment_get_lower (adjustment);
912 page_size = gtk_adjustment_get_page_size (adjustment);
913 step_increment = gtk_adjustment_get_step_increment (adjustment);
915 /* Assign boolean for first and last page */
916 if (view->current_page == 0)
918 if (view->current_page == ev_document_get_n_pages (view->document) - 1)
922 case GTK_SCROLL_PAGE_BACKWARD:
923 /* Do not jump backwards if at the first page */
924 if (value == lower && first_page) {
926 /* At the top of a page, assign the upper bound limit of previous page */
927 } else if (value == lower) {
928 value = upper - page_size;
929 ev_view_previous_page (view);
930 /* Jump to the top */
932 increment = compute_scroll_increment (view, GTK_SCROLL_PAGE_BACKWARD);
933 value = MAX (value - increment, lower);
936 case GTK_SCROLL_PAGE_FORWARD:
937 /* Do not jump forward if at the last page */
938 if (value == (upper - page_size) && last_page) {
940 /* At the bottom of a page, assign the lower bound limit of next page */
941 } else if (value == (upper - page_size)) {
943 ev_view_next_page (view);
944 /* Jump to the bottom */
946 increment = compute_scroll_increment (view, GTK_SCROLL_PAGE_FORWARD);
947 value = MIN (value + increment, upper - page_size);
950 case GTK_SCROLL_STEP_BACKWARD:
951 value -= step_increment;
953 case GTK_SCROLL_STEP_FORWARD:
954 value += step_increment;
956 case GTK_SCROLL_STEP_DOWN:
957 value -= step_increment / 10;
959 case GTK_SCROLL_STEP_UP:
960 value += step_increment / 10;
966 value = CLAMP (value, lower, upper - page_size);
968 gtk_adjustment_set_value (adjustment, value);
974 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
976 GtkWidget *widget = GTK_WIDGET (view);
977 GtkAdjustment *adjustment;
978 GtkAllocation allocation;
982 view->pending_scroll = SCROLL_TO_FIND_LOCATION;
984 gtk_widget_get_allocation (widget, &allocation);
986 adjustment = view->vadjustment;
987 adj_value = gtk_adjustment_get_value (adjustment);
989 if (rect->y < adj_value) {
990 value = MAX (gtk_adjustment_get_lower (adjustment), rect->y - MARGIN);
991 gtk_adjustment_set_value (view->vadjustment, value);
992 } else if (rect->y + rect->height > adj_value + allocation.height) {
993 value = MIN (gtk_adjustment_get_upper (adjustment), rect->y + rect->height -
994 allocation.height + MARGIN);
995 gtk_adjustment_set_value (view->vadjustment, value);
998 adjustment = view->hadjustment;
999 adj_value = gtk_adjustment_get_value (adjustment);
1001 if (rect->x < adj_value) {
1002 value = MAX (gtk_adjustment_get_lower (adjustment), rect->x - MARGIN);
1003 gtk_adjustment_set_value (view->hadjustment, value);
1004 } else if (rect->x + rect->height > adj_value + allocation.width) {
1005 value = MIN (gtk_adjustment_get_upper (adjustment), rect->x + rect->width -
1006 allocation.width + MARGIN);
1007 gtk_adjustment_set_value (view->hadjustment, value);
1010 gtk_widget_queue_resize (GTK_WIDGET (view));
1013 /*** Geometry computations ***/
1016 compute_border (EvView *view, int width, int height, GtkBorder *border)
1018 ev_document_misc_get_page_border_size (width, height, border);
1022 _get_page_size_for_scale_and_rotation (EvDocument *document,
1032 ev_document_get_page_size (document, page, &w, &h);
1034 width = (gint)(w * scale + 0.5);
1035 height = (gint)(h * scale + 0.5);
1038 *page_width = (rotation == 0 || rotation == 180) ? width : height;
1040 *page_height = (rotation == 0 || rotation == 180) ? height : width;
1044 ev_view_get_page_size (EvView *view,
1049 _get_page_size_for_scale_and_rotation (view->document,
1058 ev_view_get_max_page_size (EvView *view,
1065 ev_document_get_max_page_size (view->document, &w, &h);
1067 width = (gint)(w * view->scale + 0.5);
1068 height = (gint)(h * view->scale + 0.5);
1071 *max_width = (view->rotation == 0 || view->rotation == 180) ? width : height;
1073 *max_height = (view->rotation == 0 || view->rotation == 180) ? height : width;
1077 get_page_y_offset (EvView *view, int page, int *y_offset)
1079 int max_width, offset;
1082 g_return_if_fail (y_offset != NULL);
1084 ev_view_get_max_page_size (view, &max_width, NULL);
1085 compute_border (view, max_width, max_width, &border);
1087 if (view->dual_page) {
1088 ev_view_get_height_to_page (view, page, NULL, &offset);
1089 offset += ((page + get_dual_even_left (view)) / 2 + 1) * view->spacing +
1090 ((page + get_dual_even_left (view)) / 2 ) * (border.top + border.bottom);
1092 ev_view_get_height_to_page (view, page, &offset, NULL);
1093 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
1101 ev_view_get_page_extents (EvView *view,
1103 GdkRectangle *page_area,
1108 GtkAllocation allocation;
1110 widget = GTK_WIDGET (view);
1111 gtk_widget_get_allocation (widget, &allocation);
1113 /* Get the size of the page */
1114 ev_view_get_page_size (view, page, &width, &height);
1115 compute_border (view, width, height, border);
1116 page_area->width = width + border->left + border->right;
1117 page_area->height = height + border->top + border->bottom;
1119 if (view->continuous) {
1123 ev_view_get_max_page_size (view, &max_width, NULL);
1124 max_width = max_width + border->left + border->right;
1125 /* Get the location of the bounding box */
1126 if (view->dual_page) {
1127 x = view->spacing + ((page % 2 == get_dual_even_left (view)) ? 0 : 1) * (max_width + view->spacing);
1128 x = x + MAX (0, allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
1129 if (page % 2 == get_dual_even_left (view))
1130 x = x + (max_width - width - border->left - border->right);
1133 x = x + MAX (0, allocation.width - (width + view->spacing * 2)) / 2;
1136 get_page_y_offset (view, page, &y);
1142 if (view->dual_page) {
1143 gint width_2, height_2;
1144 gint max_width = width;
1145 gint max_height = height;
1146 GtkBorder overall_border;
1149 other_page = (page % 2 == get_dual_even_left (view)) ? page + 1: page - 1;
1151 /* First, we get the bounding box of the two pages */
1152 if (other_page < ev_document_get_n_pages (view->document)
1153 && (0 <= other_page)) {
1154 ev_view_get_page_size (view, other_page,
1155 &width_2, &height_2);
1156 if (width_2 > width)
1157 max_width = width_2;
1158 if (height_2 > height)
1159 max_height = height_2;
1161 compute_border (view, max_width, max_height, &overall_border);
1163 /* Find the offsets */
1167 /* Adjust for being the left or right page */
1168 if (page % 2 == get_dual_even_left (view))
1169 x = x + max_width - width;
1171 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
1173 y = y + (max_height - height)/2;
1175 /* Adjust for extra allocation */
1176 x = x + MAX (0, allocation.width -
1177 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
1178 y = y + MAX (0, allocation.height - (height + view->spacing * 2))/2;
1183 /* Adjust for extra allocation */
1184 x = x + MAX (0, allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
1185 y = y + MAX (0, allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
1196 get_doc_page_size (EvView *view,
1203 ev_document_get_page_size (view->document, page, &w, &h);
1204 if (view->rotation == 0 || view->rotation == 180) {
1205 if (width) *width = w;
1206 if (height) *height = h;
1208 if (width) *width = h;
1209 if (height) *height = w;
1214 view_point_to_doc_point (EvView *view,
1215 GdkPoint *view_point,
1216 GdkRectangle *page_area,
1217 double *doc_point_x,
1218 double *doc_point_y)
1220 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
1221 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
1225 view_rect_to_doc_rect (EvView *view,
1226 GdkRectangle *view_rect,
1227 GdkRectangle *page_area,
1228 EvRectangle *doc_rect)
1230 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
1231 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
1232 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
1233 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
1237 doc_point_to_view_point (EvView *view,
1240 GdkPoint *view_point)
1242 GdkRectangle page_area;
1244 double x, y, view_x, view_y;
1245 gdouble width, height;
1247 get_doc_page_size (view, page, &width, &height);
1249 if (view->rotation == 0) {
1252 } else if (view->rotation == 90) {
1253 x = width - doc_point->y;
1255 } else if (view->rotation == 180) {
1256 x = width - doc_point->x;
1257 y = height - doc_point->y;
1258 } else if (view->rotation == 270) {
1260 y = height - doc_point->x;
1262 g_assert_not_reached ();
1265 ev_view_get_page_extents (view, page, &page_area, &border);
1267 view_x = CLAMP (x * view->scale, 0, page_area.width);
1268 view_y = CLAMP (y * view->scale, 0, page_area.height);
1269 view_point->x = view_x + page_area.x;
1270 view_point->y = view_y + page_area.y;
1274 doc_rect_to_view_rect (EvView *view,
1276 EvRectangle *doc_rect,
1277 GdkRectangle *view_rect)
1279 GdkRectangle page_area;
1282 gdouble width, height;
1284 get_doc_page_size (view, page, &width, &height);
1286 if (view->rotation == 0) {
1289 w = doc_rect->x2 - doc_rect->x1;
1290 h = doc_rect->y2 - doc_rect->y1;
1291 } else if (view->rotation == 90) {
1292 x = width - doc_rect->y2;
1294 w = doc_rect->y2 - doc_rect->y1;
1295 h = doc_rect->x2 - doc_rect->x1;
1296 } else if (view->rotation == 180) {
1297 x = width - doc_rect->x2;
1298 y = height - doc_rect->y2;
1299 w = doc_rect->x2 - doc_rect->x1;
1300 h = doc_rect->y2 - doc_rect->y1;
1301 } else if (view->rotation == 270) {
1303 y = height - doc_rect->x2;
1304 w = doc_rect->y2 - doc_rect->y1;
1305 h = doc_rect->x2 - doc_rect->x1;
1307 g_assert_not_reached ();
1310 ev_view_get_page_extents (view, page, &page_area, &border);
1312 view_rect->x = x * view->scale + page_area.x;
1313 view_rect->y = y * view->scale + page_area.y;
1314 view_rect->width = w * view->scale;
1315 view_rect->height = h * view->scale;
1319 get_dual_even_left (EvView *view)
1321 return (ev_document_get_n_pages (view->document) > 2);
1325 find_page_at_location (EvView *view,
1334 if (view->document == NULL)
1338 g_assert (x_offset);
1339 g_assert (y_offset);
1341 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
1342 GdkRectangle page_area;
1345 if (! ev_view_get_page_extents (view, i, &page_area, &border))
1348 if ((x >= page_area.x + border.left) &&
1349 (x < page_area.x + page_area.width - border.right) &&
1350 (y >= page_area.y + border.top) &&
1351 (y < page_area.y + page_area.height - border.bottom)) {
1353 *x_offset = x - (page_area.x + border.left);
1354 *y_offset = y - (page_area.y + border.top);
1363 location_in_text (EvView *view,
1367 cairo_region_t *region;
1369 gint x_offset = 0, y_offset = 0;
1371 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1376 region = ev_page_cache_get_text_mapping (view->page_cache, page);
1379 return cairo_region_contains_point (region, x_offset / view->scale, y_offset / view->scale);
1385 location_in_selected_text (EvView *view,
1390 gint x_offset = 0, y_offset = 0;
1391 EvViewSelection *selection;
1394 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1395 selection = (EvViewSelection *)l->data;
1397 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1399 if (page != selection->page)
1402 if (selection->covered_region &&
1403 cairo_region_contains_point (selection->covered_region, x_offset, y_offset))
1411 get_doc_point_from_offset (EvView *view,
1418 gdouble width, height;
1421 get_doc_page_size (view, page, &width, &height);
1423 x_offset = x_offset / view->scale;
1424 y_offset = y_offset / view->scale;
1426 if (view->rotation == 0) {
1429 } else if (view->rotation == 90) {
1431 y = width - x_offset;
1432 } else if (view->rotation == 180) {
1433 x = width - x_offset;
1434 y = height - y_offset;
1435 } else if (view->rotation == 270) {
1436 x = height - y_offset;
1439 g_assert_not_reached ();
1449 get_doc_point_from_location (EvView *view,
1456 gint x_offset = 0, y_offset = 0;
1458 x += view->scroll_x;
1459 y += view->scroll_y;
1460 find_page_at_location (view, x, y, page, &x_offset, &y_offset);
1464 return get_doc_point_from_offset (view, *page, x_offset, y_offset, x_new, y_new);
1468 ev_view_get_area_from_mapping (EvView *view,
1470 EvMappingList *mapping_list,
1476 mapping = ev_mapping_list_find (mapping_list, data);
1477 doc_rect_to_view_rect (view, page, &mapping->area, area);
1478 area->x -= view->scroll_x;
1479 area->y -= view->scroll_y;
1485 ev_view_get_link_at_location (EvView *view,
1490 gint x_new = 0, y_new = 0;
1491 EvMappingList *link_mapping;
1493 if (!EV_IS_DOCUMENT_LINKS (view->document))
1496 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1499 link_mapping = ev_page_cache_get_link_mapping (view->page_cache, page);
1502 return ev_mapping_list_get_data (link_mapping, x_new, y_new);
1508 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1511 gdouble zoom, left, top;
1512 gboolean change_left, change_top;
1513 GtkAllocation allocation;
1515 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1517 left = ev_link_dest_get_left (dest, &change_left);
1518 top = ev_link_dest_get_top (dest, &change_top);
1520 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - left,
1521 ev_link_dest_get_bottom (dest) - top,
1525 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1526 ev_document_model_set_scale (view->model, zoom);
1528 doc_point.x = change_left ? left : 0;
1529 doc_point.y = change_top ? top : 0;
1530 view->pending_point = doc_point;
1532 ev_view_change_page (view, ev_link_dest_get_page (dest));
1536 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1539 gdouble doc_width, doc_height;
1542 gboolean change_left;
1543 GtkAllocation allocation;
1545 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1547 page = ev_link_dest_get_page (dest);
1548 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1550 left = ev_link_dest_get_left (dest, &change_left);
1551 doc_point.x = change_left ? left : 0;
1554 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1558 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1559 ev_document_model_set_scale (view->model, zoom);
1561 view->pending_point = doc_point;
1563 ev_view_change_page (view, page);
1567 goto_fith_dest (EvView *view, EvLinkDest *dest)
1570 gdouble doc_width, doc_height;
1573 gboolean change_top;
1574 GtkAllocation allocation;
1576 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1578 page = ev_link_dest_get_page (dest);
1579 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1581 top = ev_link_dest_get_top (dest, &change_top);
1584 doc_point.y = change_top ? top : 0;
1586 zoom = zoom_for_size_fit_width (doc_width, top,
1590 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FIT_WIDTH);
1591 ev_document_model_set_scale (view->model, zoom);
1593 view->pending_point = doc_point;
1595 ev_view_change_page (view, page);
1599 goto_fit_dest (EvView *view, EvLinkDest *dest)
1602 gdouble doc_width, doc_height;
1604 GtkAllocation allocation;
1606 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1608 page = ev_link_dest_get_page (dest);
1609 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1611 zoom = zoom_for_size_best_fit (doc_width, doc_height,
1615 ev_document_model_set_sizing_mode (view->model, EV_SIZING_BEST_FIT);
1616 ev_document_model_set_scale (view->model, zoom);
1618 ev_view_change_page (view, page);
1622 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1626 gdouble zoom, left, top;
1627 gboolean change_zoom, change_left, change_top;
1629 zoom = ev_link_dest_get_zoom (dest, &change_zoom);
1630 page = ev_link_dest_get_page (dest);
1632 if (change_zoom && zoom > 1) {
1633 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1634 ev_document_model_set_scale (view->model, zoom);
1637 left = ev_link_dest_get_left (dest, &change_left);
1638 top = ev_link_dest_get_top (dest, &change_top);
1640 doc_point.x = change_left ? left : 0;
1641 doc_point.y = change_top ? top : 0;
1642 view->pending_point = doc_point;
1644 ev_view_change_page (view, page);
1648 goto_dest (EvView *view, EvLinkDest *dest)
1650 EvLinkDestType type;
1651 int page, n_pages, current_page;
1653 page = ev_link_dest_get_page (dest);
1654 n_pages = ev_document_get_n_pages (view->document);
1656 if (page < 0 || page >= n_pages)
1659 current_page = view->current_page;
1661 type = ev_link_dest_get_dest_type (dest);
1664 case EV_LINK_DEST_TYPE_PAGE:
1665 ev_document_model_set_page (view->model, page);
1667 case EV_LINK_DEST_TYPE_FIT:
1668 goto_fit_dest (view, dest);
1670 case EV_LINK_DEST_TYPE_FITH:
1671 goto_fith_dest (view, dest);
1673 case EV_LINK_DEST_TYPE_FITV:
1674 goto_fitv_dest (view, dest);
1676 case EV_LINK_DEST_TYPE_FITR:
1677 goto_fitr_dest (view, dest);
1679 case EV_LINK_DEST_TYPE_XYZ:
1680 goto_xyz_dest (view, dest);
1682 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1683 ev_document_model_set_page_by_label (view->model, ev_link_dest_get_page_label (dest));
1686 g_assert_not_reached ();
1689 if (current_page != view->current_page)
1690 ev_document_model_set_page (view->model, view->current_page);
1694 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1696 EvLinkDestType type;
1698 type = ev_link_dest_get_dest_type (dest);
1700 if (type == EV_LINK_DEST_TYPE_NAMED) {
1702 const gchar *named_dest;
1704 named_dest = ev_link_dest_get_named_dest (dest);
1705 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1708 goto_dest (view, dest2);
1709 g_object_unref (dest2);
1715 goto_dest (view, dest);
1719 ev_view_handle_link (EvView *view, EvLink *link)
1721 EvLinkAction *action = NULL;
1722 EvLinkActionType type;
1724 action = ev_link_get_action (link);
1728 type = ev_link_action_get_action_type (action);
1731 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1734 g_signal_emit (view, signals[SIGNAL_HANDLE_LINK], 0, link);
1736 dest = ev_link_action_get_dest (action);
1737 ev_view_goto_dest (view, dest);
1740 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1741 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1742 case EV_LINK_ACTION_TYPE_LAUNCH:
1743 case EV_LINK_ACTION_TYPE_NAMED:
1744 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1750 tip_from_action_named (EvLinkAction *action)
1752 const gchar *name = ev_link_action_get_name (action);
1754 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1755 return g_strdup (_("Go to first page"));
1756 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1757 return g_strdup (_("Go to previous page"));
1758 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1759 return g_strdup (_("Go to next page"));
1760 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1761 return g_strdup (_("Go to last page"));
1762 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1763 return g_strdup (_("Go to page"));
1764 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1765 return g_strdup (_("Find"));
1772 tip_from_link (EvView *view, EvLink *link)
1774 EvLinkAction *action;
1775 EvLinkActionType type;
1780 action = ev_link_get_action (link);
1781 title = ev_link_get_title (link);
1784 return title ? g_strdup (title) : NULL;
1786 type = ev_link_action_get_action_type (action);
1789 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1790 page_label = ev_document_links_get_dest_page_label (EV_DOCUMENT_LINKS (view->document),
1791 ev_link_action_get_dest (action));
1793 msg = g_strdup_printf (_("Go to page %s"), page_label);
1794 g_free (page_label);
1797 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1799 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1800 ev_link_action_get_filename (action));
1802 msg = g_strdup_printf (_("Go to file “%s”"),
1803 ev_link_action_get_filename (action));
1806 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1807 msg = g_strdup (ev_link_action_get_uri (action));
1809 case EV_LINK_ACTION_TYPE_LAUNCH:
1810 msg = g_strdup_printf (_("Launch %s"),
1811 ev_link_action_get_filename (action));
1813 case EV_LINK_ACTION_TYPE_NAMED:
1814 msg = tip_from_action_named (action);
1818 msg = g_strdup (title);
1826 ev_view_handle_cursor_over_xy (EvView *view, gint x, gint y)
1830 EvAnnotation *annot = NULL;
1832 if (view->cursor == EV_VIEW_CURSOR_HIDDEN)
1835 if (view->drag_info.in_drag) {
1836 if (view->cursor != EV_VIEW_CURSOR_DRAG)
1837 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1841 if (view->scroll_info.autoscrolling) {
1842 if (view->cursor != EV_VIEW_CURSOR_AUTOSCROLL)
1843 ev_view_set_cursor (view, EV_VIEW_CURSOR_AUTOSCROLL);
1847 link = ev_view_get_link_at_location (view, x, y);
1849 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1850 } else if ((field = ev_view_get_form_field_at_location (view, x, y))) {
1851 if (field->is_read_only) {
1852 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1853 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1854 view->cursor == EV_VIEW_CURSOR_DRAG)
1855 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1856 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
1857 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1859 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1861 } else if ((annot = ev_view_get_annotation_at_location (view, x, y))) {
1862 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1863 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1864 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1866 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1867 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1868 view->cursor == EV_VIEW_CURSOR_DRAG ||
1869 view->cursor == EV_VIEW_CURSOR_AUTOSCROLL)
1870 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1874 g_object_set (view, "has-tooltip", TRUE, NULL);
1879 ev_view_get_image_at_location (EvView *view,
1884 gint x_new = 0, y_new = 0;
1885 EvMappingList *image_mapping;
1887 if (!EV_IS_DOCUMENT_IMAGES (view->document))
1890 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1893 image_mapping = ev_page_cache_get_image_mapping (view->page_cache, page);
1896 return ev_mapping_list_get_data (image_mapping, x_new, y_new);
1902 static EvFormField *
1903 ev_view_get_form_field_at_location (EvView *view,
1908 gint x_new = 0, y_new = 0;
1909 EvMappingList *forms_mapping;
1911 if (!EV_IS_DOCUMENT_FORMS (view->document))
1914 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1917 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache, page);
1920 return ev_mapping_list_get_data (forms_mapping, x_new, y_new);
1925 static cairo_region_t *
1926 ev_view_form_field_get_region (EvView *view,
1929 GdkRectangle view_area;
1930 EvMappingList *forms_mapping;
1932 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
1933 field->page->index);
1934 ev_view_get_area_from_mapping (view, field->page->index,
1938 return cairo_region_create_rectangle (&view_area);
1942 ev_view_forms_remove_widgets (EvView *view)
1944 ev_view_remove_all (view);
1950 ev_view_form_field_destroy (GtkWidget *widget,
1953 g_idle_add ((GSourceFunc)ev_view_forms_remove_widgets, view);
1957 ev_view_form_field_button_create_widget (EvView *view,
1960 EvFormFieldButton *field_button = EV_FORM_FIELD_BUTTON (field);
1961 cairo_region_t *field_region = NULL;
1963 switch (field_button->type) {
1964 case EV_FORM_FIELD_BUTTON_PUSH:
1966 case EV_FORM_FIELD_BUTTON_CHECK:
1967 case EV_FORM_FIELD_BUTTON_RADIO: {
1969 EvMappingList *forms_mapping;
1972 state = ev_document_forms_form_field_button_get_state (EV_DOCUMENT_FORMS (view->document),
1975 /* FIXME: it actually depends on NoToggleToOff flags */
1976 if (field_button->type == EV_FORM_FIELD_BUTTON_RADIO &&
1977 state && field_button->state)
1980 field_region = ev_view_form_field_get_region (view, field);
1982 /* For radio buttons and checkbox buttons that are in a set
1983 * we need to update also the region for the current selected item
1985 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
1986 field->page->index);
1987 for (l = ev_mapping_list_get_list (forms_mapping); l; l = g_list_next (l)) {
1988 EvFormField *button = ((EvMapping *)(l->data))->data;
1989 cairo_region_t *button_region;
1991 if (button->id == field->id)
1994 /* FIXME: only buttons in the same group should be updated */
1995 if (!EV_IS_FORM_FIELD_BUTTON (button) ||
1996 EV_FORM_FIELD_BUTTON (button)->type != field_button->type ||
1997 EV_FORM_FIELD_BUTTON (button)->state != TRUE)
2000 button_region = ev_view_form_field_get_region (view, button);
2001 cairo_region_union (field_region, button_region);
2002 cairo_region_destroy (button_region);
2005 ev_document_forms_form_field_button_set_state (EV_DOCUMENT_FORMS (view->document),
2007 field_button->state = !state;
2012 ev_view_reload_page (view, field->page->index, field_region);
2013 cairo_region_destroy (field_region);
2019 ev_view_form_field_text_save (EvView *view,
2024 if (!view->document)
2027 field = g_object_get_data (G_OBJECT (widget), "form-field");
2029 if (field->changed) {
2030 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2031 cairo_region_t *field_region;
2033 field_region = ev_view_form_field_get_region (view, field);
2035 ev_document_forms_form_field_text_set_text (EV_DOCUMENT_FORMS (view->document),
2036 field, field_text->text);
2037 field->changed = FALSE;
2038 ev_view_reload_page (view, field->page->index, field_region);
2039 cairo_region_destroy (field_region);
2044 ev_view_form_field_text_changed (GtkWidget *widget,
2047 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2050 if (GTK_IS_ENTRY (widget)) {
2051 text = g_strdup (gtk_entry_get_text (GTK_ENTRY (widget)));
2052 } else if (GTK_IS_TEXT_BUFFER (widget)) {
2053 GtkTextIter start, end;
2055 gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (widget), &start, &end);
2056 text = gtk_text_buffer_get_text (GTK_TEXT_BUFFER (widget),
2057 &start, &end, FALSE);
2060 if (!field_text->text ||
2061 (field_text->text && g_ascii_strcasecmp (field_text->text, text) != 0)) {
2062 g_free (field_text->text);
2063 field_text->text = text;
2064 field->changed = TRUE;
2069 ev_view_form_field_text_create_widget (EvView *view,
2072 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2073 GtkWidget *text = NULL;
2076 txt = ev_document_forms_form_field_text_get_text (EV_DOCUMENT_FORMS (view->document),
2079 switch (field_text->type) {
2080 case EV_FORM_FIELD_TEXT_FILE_SELECT:
2082 case EV_FORM_FIELD_TEXT_NORMAL:
2083 text = gtk_entry_new ();
2084 gtk_entry_set_has_frame (GTK_ENTRY (text), FALSE);
2085 gtk_entry_set_max_length (GTK_ENTRY (text), field_text->max_len);
2086 gtk_entry_set_visibility (GTK_ENTRY (text), !field_text->is_password);
2089 gtk_entry_set_text (GTK_ENTRY (text), txt);
2093 g_signal_connect (text, "changed",
2094 G_CALLBACK (ev_view_form_field_text_changed),
2096 g_signal_connect_after (text, "activate",
2097 G_CALLBACK (ev_view_form_field_destroy),
2100 case EV_FORM_FIELD_TEXT_MULTILINE: {
2101 GtkTextBuffer *buffer;
2103 text = gtk_text_view_new ();
2104 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text));
2107 gtk_text_buffer_set_text (buffer, txt, -1);
2111 g_signal_connect (buffer, "changed",
2112 G_CALLBACK (ev_view_form_field_text_changed),
2118 g_object_weak_ref (G_OBJECT (text),
2119 (GWeakNotify)ev_view_form_field_text_save,
2126 ev_view_form_field_choice_save (EvView *view,
2131 if (!view->document)
2134 field = g_object_get_data (G_OBJECT (widget), "form-field");
2136 if (field->changed) {
2138 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2139 cairo_region_t *field_region;
2141 field_region = ev_view_form_field_get_region (view, field);
2143 if (field_choice->is_editable) {
2144 ev_document_forms_form_field_choice_set_text (EV_DOCUMENT_FORMS (view->document),
2145 field, field_choice->text);
2147 ev_document_forms_form_field_choice_unselect_all (EV_DOCUMENT_FORMS (view->document), field);
2148 for (l = field_choice->selected_items; l; l = g_list_next (l)) {
2149 ev_document_forms_form_field_choice_select_item (EV_DOCUMENT_FORMS (view->document),
2151 GPOINTER_TO_INT (l->data));
2154 field->changed = FALSE;
2155 ev_view_reload_page (view, field->page->index, field_region);
2156 cairo_region_destroy (field_region);
2161 ev_view_form_field_choice_changed (GtkWidget *widget,
2164 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2166 if (GTK_IS_COMBO_BOX (widget)) {
2169 item = gtk_combo_box_get_active (GTK_COMBO_BOX (widget));
2170 if (!field_choice->selected_items ||
2171 GPOINTER_TO_INT (field_choice->selected_items->data) != item) {
2172 g_list_free (field_choice->selected_items);
2173 field_choice->selected_items = NULL;
2174 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2175 GINT_TO_POINTER (item));
2176 field->changed = TRUE;
2179 if (GTK_IS_COMBO_BOX_ENTRY (widget)) {
2182 text = gtk_combo_box_get_active_text (GTK_COMBO_BOX (widget));
2183 if (!field_choice->text ||
2184 (field_choice->text && g_ascii_strcasecmp (field_choice->text, text) != 0)) {
2185 g_free (field_choice->text);
2186 field_choice->text = text;
2187 field->changed = TRUE;
2190 } else if (GTK_IS_TREE_SELECTION (widget)) {
2191 GtkTreeSelection *selection = GTK_TREE_SELECTION (widget);
2192 GtkTreeModel *model;
2195 items = gtk_tree_selection_get_selected_rows (selection, &model);
2196 g_list_free (field_choice->selected_items);
2197 field_choice->selected_items = NULL;
2199 for (l = items; l && l->data; l = g_list_next (l)) {
2201 GtkTreePath *path = (GtkTreePath *)l->data;
2204 gtk_tree_model_get_iter (model, &iter, path);
2205 gtk_tree_model_get (model, &iter, 1, &item, -1);
2207 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2208 GINT_TO_POINTER (item));
2210 gtk_tree_path_free (path);
2213 g_list_free (items);
2215 field->changed = TRUE;
2220 ev_view_form_field_choice_create_widget (EvView *view,
2223 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2225 GtkTreeModel *model;
2227 gint selected_item = 0;
2229 n_items = ev_document_forms_form_field_choice_get_n_items (EV_DOCUMENT_FORMS (view->document),
2231 model = GTK_TREE_MODEL (gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT));
2232 for (i = 0; i < n_items; i++) {
2236 item = ev_document_forms_form_field_choice_get_item (EV_DOCUMENT_FORMS (view->document),
2238 if (ev_document_forms_form_field_choice_is_item_selected (
2239 EV_DOCUMENT_FORMS (view->document), field, i)) {
2241 /* FIXME: we need a get_selected_items function in poppler */
2242 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2243 GINT_TO_POINTER (i));
2247 gtk_list_store_append (GTK_LIST_STORE (model), &iter);
2248 gtk_list_store_set (GTK_LIST_STORE (model), &iter,
2256 if (field_choice->type == EV_FORM_FIELD_CHOICE_LIST) {
2257 GtkCellRenderer *renderer;
2258 GtkWidget *tree_view;
2259 GtkTreeSelection *selection;
2261 tree_view = gtk_tree_view_new_with_model (model);
2262 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);
2264 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
2265 if (field_choice->multi_select) {
2266 gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
2269 /* TODO: set selected items */
2271 renderer = gtk_cell_renderer_text_new ();
2272 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
2278 choice = gtk_scrolled_window_new (NULL, NULL);
2279 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (choice),
2280 GTK_POLICY_AUTOMATIC,
2281 GTK_POLICY_AUTOMATIC);
2282 gtk_container_add (GTK_CONTAINER (choice), tree_view);
2283 gtk_widget_show (tree_view);
2285 g_signal_connect (selection, "changed",
2286 G_CALLBACK (ev_view_form_field_choice_changed),
2288 g_signal_connect_after (selection, "changed",
2289 G_CALLBACK (ev_view_form_field_destroy),
2291 } else if (field_choice->is_editable) { /* ComboBoxEntry */
2294 choice = gtk_combo_box_entry_new_with_model (model, 0);
2295 text = ev_document_forms_form_field_choice_get_text (EV_DOCUMENT_FORMS (view->document), field);
2297 gtk_entry_set_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (choice))), text);
2301 g_signal_connect (choice, "changed",
2302 G_CALLBACK (ev_view_form_field_choice_changed),
2304 g_signal_connect_after (gtk_bin_get_child (GTK_BIN (choice)),
2306 G_CALLBACK (ev_view_form_field_destroy),
2308 } else { /* ComboBoxText */
2309 GtkCellRenderer *renderer;
2311 choice = gtk_combo_box_new_with_model (model);
2312 renderer = gtk_cell_renderer_text_new ();
2313 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (choice),
2315 gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (choice),
2319 gtk_combo_box_set_active (GTK_COMBO_BOX (choice), selected_item);
2320 gtk_combo_box_popup (GTK_COMBO_BOX (choice));
2322 g_signal_connect (choice, "changed",
2323 G_CALLBACK (ev_view_form_field_choice_changed),
2325 g_signal_connect_after (choice, "changed",
2326 G_CALLBACK (ev_view_form_field_destroy),
2330 g_object_unref (model);
2332 g_object_weak_ref (G_OBJECT (choice),
2333 (GWeakNotify)ev_view_form_field_choice_save,
2340 ev_view_handle_form_field (EvView *view,
2345 GtkWidget *field_widget = NULL;
2346 EvMappingList *form_field_mapping;
2347 GdkRectangle view_area;
2349 if (field->is_read_only)
2352 if (EV_IS_FORM_FIELD_BUTTON (field)) {
2353 field_widget = ev_view_form_field_button_create_widget (view, field);
2354 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
2355 field_widget = ev_view_form_field_text_create_widget (view, field);
2356 } else if (EV_IS_FORM_FIELD_CHOICE (field)) {
2357 field_widget = ev_view_form_field_choice_create_widget (view, field);
2358 } else if (EV_IS_FORM_FIELD_SIGNATURE (field)) {
2362 /* Form field doesn't require a widget */
2366 g_object_set_data_full (G_OBJECT (field_widget), "form-field",
2367 g_object_ref (field),
2368 (GDestroyNotify)g_object_unref);
2370 form_field_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
2371 field->page->index);
2372 ev_view_get_area_from_mapping (view, field->page->index,
2376 gtk_layout_put (GTK_LAYOUT (view), field_widget, view_area.x, view_area.y);
2377 gtk_widget_show (field_widget);
2378 gtk_widget_grab_focus (field_widget);
2382 static EvViewWindowChild *
2383 ev_view_get_window_child (EvView *view,
2386 GList *children = view->window_children;
2389 EvViewWindowChild *child;
2391 child = (EvViewWindowChild *)children->data;
2392 children = children->next;
2394 if (child->window == window)
2402 ev_view_window_child_move (EvView *view,
2403 EvViewWindowChild *child,
2407 GtkAllocation allocation;
2410 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
2411 gtk_window_get_size (GTK_WINDOW (child->window), &width, &height);
2415 gtk_window_move (GTK_WINDOW (child->window),
2416 CLAMP (x, child->parent_x,
2417 child->parent_x + allocation.width - width),
2418 CLAMP (y, child->parent_y,
2419 child->parent_y + allocation.height - height));
2423 ev_view_window_child_move_with_parent (EvView *view,
2426 EvViewWindowChild *child;
2427 gint root_x, root_y;
2429 child = ev_view_get_window_child (view, window);
2430 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2432 if (root_x != child->parent_x || root_y != child->parent_y) {
2433 gint dest_x, dest_y;
2435 dest_x = child->x + (root_x - child->parent_x);
2436 dest_y = child->y + (root_y - child->parent_y);
2437 child->parent_x = root_x;
2438 child->parent_y = root_y;
2439 ev_view_window_child_move (view, child, dest_x, dest_y);
2442 if (child->visible && !gtk_widget_get_visible (window))
2443 gtk_widget_show (window);
2447 ev_view_window_child_put (EvView *view,
2455 EvViewWindowChild *child;
2456 gint root_x, root_y;
2458 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2461 child = g_new0 (EvViewWindowChild, 1);
2462 child->window = window;
2464 child->orig_x = orig_x;
2465 child->orig_y = orig_y;
2466 child->parent_x = root_x;
2467 child->parent_y = root_y;
2468 child->visible = ev_annotation_window_is_open (EV_ANNOTATION_WINDOW (window));
2469 ev_view_window_child_move (view, child, x + root_x, y + root_y);
2472 gtk_widget_show (window);
2474 gtk_widget_hide (window);
2476 view->window_children = g_list_append (view->window_children, child);
2479 static EvViewWindowChild *
2480 ev_view_find_window_child_for_annot (EvView *view,
2482 EvAnnotation *annot)
2484 GList *children = view->window_children;
2487 EvViewWindowChild *child;
2488 EvAnnotation *wannot;
2490 child = (EvViewWindowChild *)children->data;
2491 children = children->next;
2493 if (child->page != page)
2496 wannot = ev_annotation_window_get_annotation (EV_ANNOTATION_WINDOW (child->window));
2497 if (wannot == annot || strcmp (wannot->name, annot->name) == 0)
2505 ev_view_window_children_free (EvView *view)
2509 if (!view->window_children)
2512 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
2513 EvViewWindowChild *child;
2515 child = (EvViewWindowChild *)l->data;
2516 gtk_widget_destroy (GTK_WIDGET (child->window));
2519 g_list_free (view->window_children);
2520 view->window_children = NULL;
2521 view->window_child_focus = NULL;
2525 annotation_window_grab_focus (GtkWidget *widget,
2528 if (view->window_child_focus)
2529 ev_annotation_window_ungrab_focus (EV_ANNOTATION_WINDOW (view->window_child_focus->window));
2530 view->window_child_focus = ev_view_get_window_child (view, widget);
2534 annotation_window_closed (EvAnnotationWindow *window,
2537 EvViewWindowChild *child;
2539 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2540 child->visible = FALSE;
2544 annotation_window_moved (EvAnnotationWindow *window,
2549 EvViewWindowChild *child;
2550 GdkRectangle page_area;
2552 GdkRectangle view_rect;
2553 EvRectangle doc_rect;
2556 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2557 if (child->x == x && child->y == y)
2560 child->moved = TRUE;
2564 /* Window has been moved by the user,
2565 * we have to set a new origin in doc coords
2567 gtk_window_get_size (GTK_WINDOW (window), &width, &height);
2568 view_rect.x = (x - child->parent_x) + view->scroll_x;
2569 view_rect.y = (y - child->parent_y) + view->scroll_y;
2570 view_rect.width = width;
2571 view_rect.height = height;
2573 ev_view_get_page_extents (view, child->page, &page_area, &border);
2574 view_rect_to_doc_rect (view, &view_rect, &page_area, &doc_rect);
2575 child->orig_x = doc_rect.x1;
2576 child->orig_y = doc_rect.y1;
2580 ev_view_annotation_save (EvView *view,
2581 EvAnnotation *annot)
2583 if (!view->document)
2586 if (!annot->changed)
2589 ev_document_annotations_annotation_set_contents (EV_DOCUMENT_ANNOTATIONS (view->document),
2590 annot, annot->contents);
2591 annot->changed = FALSE;
2595 show_annotation_windows (EvView *view,
2598 EvMappingList *annots;
2602 parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
2604 annots = ev_page_cache_get_annot_mapping (view->page_cache, page);
2606 for (l = ev_mapping_list_get_list (annots); l && l->data; l = g_list_next (l)) {
2607 EvAnnotation *annot;
2608 EvViewWindowChild *child;
2610 EvRectangle *doc_rect;
2611 GdkRectangle view_rect;
2613 annot = ((EvMapping *)(l->data))->data;
2615 if (!EV_IS_ANNOTATION_MARKUP (annot))
2618 if (!ev_annotation_markup_has_popup (EV_ANNOTATION_MARKUP (annot)))
2621 window = g_object_get_data (G_OBJECT (annot), "popup");
2623 ev_view_window_child_move_with_parent (view, window);
2627 /* Look if we already have a popup for this annot */
2628 child = ev_view_find_window_child_for_annot (view, page, annot);
2629 window = child ? child->window : NULL;
2631 ev_annotation_window_set_annotation (EV_ANNOTATION_WINDOW (window), annot);
2632 g_object_set_data (G_OBJECT (annot), "popup", window);
2633 ev_view_window_child_move_with_parent (view, window);
2635 window = ev_annotation_window_new (annot, parent);
2636 g_signal_connect (window, "grab_focus",
2637 G_CALLBACK (annotation_window_grab_focus),
2639 g_signal_connect (window, "closed",
2640 G_CALLBACK (annotation_window_closed),
2642 g_signal_connect (window, "moved",
2643 G_CALLBACK (annotation_window_moved),
2645 g_object_set_data (G_OBJECT (annot), "popup", window);
2647 doc_rect = (EvRectangle *)ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (window));
2648 doc_rect_to_view_rect (view, page, doc_rect, &view_rect);
2649 view_rect.x -= view->scroll_x;
2650 view_rect.y -= view->scroll_y;
2652 ev_view_window_child_put (view, window, page,
2653 view_rect.x, view_rect.y,
2654 doc_rect->x1, doc_rect->y1);
2656 g_object_weak_ref (G_OBJECT (annot),
2657 (GWeakNotify)ev_view_annotation_save,
2664 hide_annotation_windows (EvView *view,
2667 EvMappingList *annots;
2670 annots = ev_page_cache_get_annot_mapping (view->page_cache, page);
2672 for (l = ev_mapping_list_get_list (annots); l && l->data; l = g_list_next (l)) {
2673 EvAnnotation *annot;
2676 annot = ((EvMapping *)(l->data))->data;
2678 if (!EV_IS_ANNOTATION_MARKUP (annot))
2681 window = g_object_get_data (G_OBJECT (annot), "popup");
2683 gtk_widget_hide (window);
2687 static EvAnnotation *
2688 ev_view_get_annotation_at_location (EvView *view,
2693 gint x_new = 0, y_new = 0;
2694 EvMappingList *annotations_mapping;
2696 if (!EV_IS_DOCUMENT_ANNOTATIONS (view->document))
2699 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
2702 annotations_mapping = ev_page_cache_get_annot_mapping (view->page_cache, page);
2704 if (annotations_mapping)
2705 return ev_mapping_list_get_data (annotations_mapping, x_new, y_new);
2711 ev_view_handle_annotation (EvView *view,
2712 EvAnnotation *annot,
2717 if (EV_IS_ANNOTATION_MARKUP (annot)) {
2720 window = g_object_get_data (G_OBJECT (annot), "popup");
2722 EvViewWindowChild *child;
2724 child = ev_view_get_window_child (view, window);
2725 if (!child->visible) {
2726 child->visible = TRUE;
2727 ev_view_window_child_move (view, child, child->x, child->y);
2728 gtk_widget_show (window);
2733 if (EV_IS_ANNOTATION_ATTACHMENT (annot)) {
2734 EvAttachment *attachment = EV_ANNOTATION_ATTACHMENT (annot)->attachment;
2737 GError *error = NULL;
2739 ev_attachment_open (attachment,
2740 gtk_widget_get_screen (GTK_WIDGET (view)),
2745 g_warning ("%s", error->message);
2746 g_error_free (error);
2753 ev_view_focus_annotation (EvView *view,
2754 EvMapping *annot_mapping)
2756 GdkRectangle view_rect;
2757 EvAnnotation *annot;
2759 if (!EV_IS_DOCUMENT_ANNOTATIONS (view->document))
2762 if (view->focus_annotation == annot_mapping)
2765 view->focus_annotation = annot_mapping;
2766 annot = (EvAnnotation *)annot_mapping->data;
2768 ev_document_model_set_page (view->model, annot->page->index);
2770 doc_rect_to_view_rect (view, annot->page->index,
2771 &annot_mapping->area, &view_rect);
2772 ensure_rectangle_is_visible (view, &view_rect);
2773 gtk_widget_queue_draw (GTK_WIDGET (view));
2777 ev_view_synctex_backward_search (EvView *view,
2782 gint x_new = 0, y_new = 0;
2785 if (!ev_document_has_synctex (view->document))
2788 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
2791 link = ev_document_synctex_backward_search (view->document, page, x_new, y_new);
2793 g_signal_emit (view, signals[SIGNAL_SYNC_SOURCE], 0, link);
2802 /*** GtkWidget implementation ***/
2805 ev_view_size_request_continuous_dual_page (EvView *view,
2806 GtkRequisition *requisition)
2810 n_pages = ev_document_get_n_pages (view->document) + 1;
2811 get_page_y_offset (view, n_pages, &requisition->height);
2813 switch (view->sizing_mode) {
2814 case EV_SIZING_FIT_WIDTH:
2815 case EV_SIZING_BEST_FIT:
2816 requisition->width = 1;
2819 case EV_SIZING_FREE: {
2823 ev_view_get_max_page_size (view, &max_width, NULL);
2824 compute_border (view, max_width, max_width, &border);
2825 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
2829 g_assert_not_reached ();
2834 ev_view_size_request_continuous (EvView *view,
2835 GtkRequisition *requisition)
2839 n_pages = ev_document_get_n_pages (view->document);
2840 get_page_y_offset (view, n_pages, &requisition->height);
2842 switch (view->sizing_mode) {
2843 case EV_SIZING_FIT_WIDTH:
2844 case EV_SIZING_BEST_FIT:
2845 requisition->width = 1;
2848 case EV_SIZING_FREE: {
2852 ev_view_get_max_page_size (view, &max_width, NULL);
2853 compute_border (view, max_width, max_width, &border);
2854 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
2858 g_assert_not_reached ();
2863 ev_view_size_request_dual_page (EvView *view,
2864 GtkRequisition *requisition)
2869 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2870 requisition->width = 1;
2871 requisition->height = 1;
2876 /* Find the largest of the two. */
2877 ev_view_get_page_size (view,
2880 if (view->current_page + 1 < ev_document_get_n_pages (view->document)) {
2881 gint width_2, height_2;
2882 ev_view_get_page_size (view,
2883 view->current_page + 1,
2884 &width_2, &height_2);
2885 if (width_2 > width) {
2890 compute_border (view, width, height, &border);
2892 requisition->width = view->sizing_mode == EV_SIZING_FIT_WIDTH ? 1 :
2893 ((width + border.left + border.right) * 2) + (view->spacing * 3);
2894 requisition->height = (height + border.top + border.bottom) + (view->spacing * 2);
2898 ev_view_size_request_single_page (EvView *view,
2899 GtkRequisition *requisition)
2904 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2905 requisition->width = 1;
2906 requisition->height = 1;
2911 ev_view_get_page_size (view, view->current_page, &width, &height);
2912 compute_border (view, width, height, &border);
2914 requisition->width = view->sizing_mode == EV_SIZING_FIT_WIDTH ? 1 :
2915 width + border.left + border.right + (2 * view->spacing);
2916 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2920 ev_view_size_request (GtkWidget *widget,
2921 GtkRequisition *requisition)
2923 EvView *view = EV_VIEW (widget);
2925 if (view->document == NULL) {
2926 view->requisition.width = 1;
2927 view->requisition.height = 1;
2929 *requisition = view->requisition;
2934 /* Get zoom for size here when not called from
2935 * ev_view_size_allocate()
2937 if (!view->internal_size_request &&
2938 (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2939 view->sizing_mode == EV_SIZING_BEST_FIT)) {
2940 GtkAllocation allocation;
2942 gtk_widget_get_allocation (widget, &allocation);
2943 ev_view_zoom_for_size (view,
2948 if (view->continuous && view->dual_page)
2949 ev_view_size_request_continuous_dual_page (view, &view->requisition);
2950 else if (view->continuous)
2951 ev_view_size_request_continuous (view, &view->requisition);
2952 else if (view->dual_page)
2953 ev_view_size_request_dual_page (view, &view->requisition);
2955 ev_view_size_request_single_page (view, &view->requisition);
2957 *requisition = view->requisition;
2961 ev_view_size_allocate (GtkWidget *widget,
2962 GtkAllocation *allocation)
2964 EvView *view = EV_VIEW (widget);
2965 GList *children, *l;
2966 gint root_x, root_y;
2968 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
2970 if (!view->document)
2973 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2974 view->sizing_mode == EV_SIZING_BEST_FIT) {
2977 ev_view_zoom_for_size (view,
2979 allocation->height);
2980 view->internal_size_request = TRUE;
2981 ev_view_size_request (widget, &req);
2982 view->internal_size_request = FALSE;
2985 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
2986 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
2989 view_update_range_and_current_page (view);
2991 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2992 view->pending_resize = FALSE;
2993 view->pending_point.x = 0;
2994 view->pending_point.y = 0;
2996 children = gtk_container_get_children (GTK_CONTAINER (widget));
2997 for (l = children; l && l->data; l = g_list_next (l)) {
2999 GdkRectangle view_area;
3000 EvMappingList *form_field_mapping;
3001 GtkAllocation child_allocation;
3002 GtkRequisition child_requisition;
3003 GtkWidget *child = (GtkWidget *)l->data;
3005 field = g_object_get_data (G_OBJECT (child), "form-field");
3009 form_field_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
3010 field->page->index);
3011 ev_view_get_area_from_mapping (view, field->page->index,
3015 gtk_widget_size_request (child, &child_requisition);
3016 if (child_requisition.width != view_area.width ||
3017 child_requisition.height != view_area.height)
3018 gtk_widget_set_size_request (child, view_area.width, view_area.height);
3020 gtk_container_child_get (GTK_CONTAINER (widget),
3022 "x", &child_allocation.x,
3023 "y", &child_allocation.y,
3025 if (child_allocation.x != view_area.x ||
3026 child_allocation.y != view_area.y) {
3027 gtk_layout_move (GTK_LAYOUT (widget), child, view_area.x, view_area.y);
3030 g_list_free (children);
3032 if (view->window_children)
3033 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
3036 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
3037 EvViewWindowChild *child;
3038 EvRectangle doc_rect;
3039 GdkRectangle view_rect;
3041 child = (EvViewWindowChild *)l->data;
3043 doc_rect = *ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (child->window));
3045 doc_rect.x1 = child->orig_x;
3046 doc_rect.y1 = child->orig_y;
3048 doc_rect_to_view_rect (view, child->page, &doc_rect, &view_rect);
3049 view_rect.x -= view->scroll_x;
3050 view_rect.y -= view->scroll_y;
3052 if (view_rect.x != child->orig_x || view_rect.y != child->orig_y) {
3053 child->parent_x = root_x;
3054 child->parent_y = root_y;
3055 ev_view_window_child_move (view, child, view_rect.x + root_x, view_rect.y + root_y);
3061 ev_view_realize (GtkWidget *widget)
3063 EvView *view = EV_VIEW (widget);
3064 GdkWindow *bin_window;
3067 if (GTK_WIDGET_CLASS (ev_view_parent_class)->realize)
3068 (* GTK_WIDGET_CLASS (ev_view_parent_class)->realize) (widget);
3070 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
3071 gdk_window_set_events (bin_window,
3072 (gdk_window_get_events (bin_window) |
3074 GDK_BUTTON_PRESS_MASK |
3075 GDK_BUTTON_RELEASE_MASK |
3077 GDK_KEY_PRESS_MASK |
3078 GDK_POINTER_MOTION_MASK |
3079 GDK_POINTER_MOTION_HINT_MASK |
3080 GDK_ENTER_NOTIFY_MASK |
3081 GDK_LEAVE_NOTIFY_MASK));
3083 style = gtk_widget_get_style (widget);
3084 gdk_window_set_background (bin_window, &style->mid[GTK_STATE_NORMAL]);
3086 on_adjustment_value_changed (NULL, view);
3090 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
3092 EvView *view = EV_VIEW (widget);
3095 state = event->state & gtk_accelerator_get_default_mod_mask ();
3097 if (state == GDK_CONTROL_MASK) {
3098 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
3099 if (event->direction == GDK_SCROLL_UP ||
3100 event->direction == GDK_SCROLL_LEFT) {
3101 if (ev_view_can_zoom_in (view)) {
3102 ev_view_zoom_in (view);
3105 if (ev_view_can_zoom_out (view)) {
3106 ev_view_zoom_out (view);
3113 view->jump_to_find_result = FALSE;
3115 /* Shift+Wheel scrolls the in the perpendicular direction */
3116 if (state & GDK_SHIFT_MASK) {
3117 if (event->direction == GDK_SCROLL_UP)
3118 event->direction = GDK_SCROLL_LEFT;
3119 else if (event->direction == GDK_SCROLL_LEFT)
3120 event->direction = GDK_SCROLL_UP;
3121 else if (event->direction == GDK_SCROLL_DOWN)
3122 event->direction = GDK_SCROLL_RIGHT;
3123 else if (event->direction == GDK_SCROLL_RIGHT)
3124 event->direction = GDK_SCROLL_DOWN;
3126 event->state &= ~GDK_SHIFT_MASK;
3127 state &= ~GDK_SHIFT_MASK;
3130 if (state == 0 && view->sizing_mode == EV_SIZING_BEST_FIT && !view->continuous) {
3131 switch (event->direction) {
3132 case GDK_SCROLL_DOWN:
3133 case GDK_SCROLL_RIGHT:
3134 ev_view_next_page (view);
3137 case GDK_SCROLL_LEFT:
3138 ev_view_previous_page (view);
3148 static EvViewSelection *
3149 find_selection_for_page (EvView *view,
3154 for (list = view->selection_info.selections; list != NULL; list = list->next) {
3155 EvViewSelection *selection;
3157 selection = (EvViewSelection *) list->data;
3159 if (selection->page == page)
3167 ev_view_expose_event (GtkWidget *widget,
3168 GdkEventExpose *event)
3170 EvView *view = EV_VIEW (widget);
3171 GdkWindow *bin_window;
3175 if (view->loading) {
3176 show_loading_window (view);
3177 } else if (view->loading_window &&
3178 gtk_widget_get_visible (view->loading_window)) {
3179 ev_view_loading_window_move (view);
3182 if (view->document == NULL)
3185 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
3186 cr = gdk_cairo_create (bin_window);
3188 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
3189 GdkRectangle page_area;
3191 gboolean page_ready = TRUE;
3193 if (!ev_view_get_page_extents (view, i, &page_area, &border))
3196 page_area.x -= view->scroll_x;
3197 page_area.y -= view->scroll_y;
3199 draw_one_page (view, i, cr, &page_area, &border, &(event->area), &page_ready);
3201 if (page_ready && view->find_pages && view->highlight_find_results)
3202 highlight_find_results (view, i);
3203 if (page_ready && EV_IS_DOCUMENT_ANNOTATIONS (view->document))
3204 show_annotation_windows (view, i);
3205 if (page_ready && view->focus_annotation)
3206 focus_annotation (view, i, &event->area);
3207 if (page_ready && view->synctex_result)
3208 highlight_forward_search_results (view, i);
3213 if (GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event)
3214 (* GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) (widget, event);
3220 ev_view_do_popup_menu (EvView *view,
3224 GList *items = NULL;
3227 EvAnnotation *annot;
3229 image = ev_view_get_image_at_location (view, x, y);
3231 items = g_list_prepend (items, image);
3233 link = ev_view_get_link_at_location (view, x, y);
3235 items = g_list_prepend (items, link);
3237 annot = ev_view_get_annotation_at_location (view, x, y);
3239 items = g_list_prepend (items, annot);
3241 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, items);
3243 g_list_free (items);
3249 ev_view_popup_menu (GtkWidget *widget)
3253 gtk_widget_get_pointer (widget, &x, &y);
3254 return ev_view_do_popup_menu (EV_VIEW (widget), x, y);
3258 get_link_area (EvView *view,
3264 EvMappingList *link_mapping;
3266 gint x_offset = 0, y_offset = 0;
3268 x += view->scroll_x;
3269 y += view->scroll_y;
3271 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3273 link_mapping = ev_page_cache_get_link_mapping (view->page_cache, page);
3274 ev_view_get_area_from_mapping (view, page,
3280 get_annot_area (EvView *view,
3283 EvAnnotation *annot,
3286 EvMappingList *annot_mapping;
3288 gint x_offset = 0, y_offset = 0;
3290 x += view->scroll_x;
3291 y += view->scroll_y;
3293 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3295 annot_mapping = ev_page_cache_get_annot_mapping (view->page_cache, page);
3296 ev_view_get_area_from_mapping (view, page,
3302 ev_view_query_tooltip (GtkWidget *widget,
3305 gboolean keyboard_tip,
3306 GtkTooltip *tooltip)
3308 EvView *view = EV_VIEW (widget);
3310 EvAnnotation *annot;
3313 annot = ev_view_get_annotation_at_location (view, x, y);
3314 if (annot && annot->contents) {
3315 GdkRectangle annot_area;
3317 get_annot_area (view, x, y, annot, &annot_area);
3318 gtk_tooltip_set_text (tooltip, annot->contents);
3319 gtk_tooltip_set_tip_area (tooltip, &annot_area);
3324 link = ev_view_get_link_at_location (view, x, y);
3328 text = tip_from_link (view, link);
3329 if (text && g_utf8_validate (text, -1, NULL)) {
3330 GdkRectangle link_area;
3332 get_link_area (view, x, y, link, &link_area);
3333 gtk_tooltip_set_text (tooltip, text);
3334 gtk_tooltip_set_tip_area (tooltip, &link_area);
3342 start_selection_for_event (EvView *view,
3343 GdkEventButton *event)
3345 clear_selection (view);
3347 view->selection_info.start.x = event->x + view->scroll_x;
3348 view->selection_info.start.y = event->y + view->scroll_y;
3350 switch (event->type) {
3351 case GDK_2BUTTON_PRESS:
3352 view->selection_info.style = EV_SELECTION_STYLE_WORD;
3354 case GDK_3BUTTON_PRESS:
3355 view->selection_info.style = EV_SELECTION_STYLE_LINE;
3358 view->selection_info.style = EV_SELECTION_STYLE_GLYPH;
3362 /* In case of WORD or LINE, compute selections now */
3363 compute_selections (view,
3364 view->selection_info.style,
3365 &(view->selection_info.start),
3366 &(view->selection_info.start));
3370 ev_view_button_press_event (GtkWidget *widget,
3371 GdkEventButton *event)
3373 EvView *view = EV_VIEW (widget);
3375 if (!view->document)
3378 if (!gtk_widget_has_focus (widget)) {
3379 gtk_widget_grab_focus (widget);
3382 if (view->window_child_focus) {
3383 EvAnnotationWindow *window;
3384 EvAnnotation *annot;
3386 window = EV_ANNOTATION_WINDOW (view->window_child_focus->window);
3387 annot = ev_annotation_window_get_annotation (window);
3388 ev_annotation_window_ungrab_focus (window);
3389 ev_view_annotation_save (view, annot);
3390 view->window_child_focus = NULL;
3393 view->pressed_button = event->button;
3394 view->selection_info.in_drag = FALSE;
3396 if (view->scroll_info.autoscrolling)
3399 switch (event->button) {
3402 EvAnnotation *annot;
3405 if (event->state & GDK_CONTROL_MASK)
3406 return ev_view_synctex_backward_search (view, event->x , event->y);
3408 if (EV_IS_SELECTION (view->document) && view->selection_info.selections) {
3409 if (event->type == GDK_3BUTTON_PRESS) {
3410 start_selection_for_event (view, event);
3411 } else if (location_in_selected_text (view,
3412 event->x + view->scroll_x,
3413 event->y + view->scroll_y)) {
3414 view->selection_info.in_drag = TRUE;
3416 start_selection_for_event (view, event);
3419 gtk_widget_queue_draw (widget);
3420 } else if ((annot = ev_view_get_annotation_at_location (view, event->x, event->y))) {
3421 ev_view_handle_annotation (view, annot, event->x, event->y, event->time);
3422 } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) {
3423 ev_view_remove_all (view);
3424 ev_view_handle_form_field (view, field, event->x, event->y);
3425 } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) &&
3426 (image = ev_view_get_image_at_location (view, event->x, event->y))) {
3427 if (view->image_dnd_info.image)
3428 g_object_unref (view->image_dnd_info.image);
3429 view->image_dnd_info.image = g_object_ref (image);
3430 view->image_dnd_info.in_drag = TRUE;
3432 view->image_dnd_info.start.x = event->x + view->scroll_x;
3433 view->image_dnd_info.start.y = event->y + view->scroll_y;
3435 ev_view_remove_all (view);
3437 if (view->synctex_result) {
3438 g_free (view->synctex_result);
3439 view->synctex_result = NULL;
3440 gtk_widget_queue_draw (widget);
3443 if (view->focus_annotation)
3444 view->focus_annotation = NULL;
3446 if (EV_IS_SELECTION (view->document))
3447 start_selection_for_event (view, event);
3452 /* use root coordinates as reference point because
3453 * scrolling changes window relative coordinates */
3454 view->drag_info.start.x = event->x_root;
3455 view->drag_info.start.y = event->y_root;
3456 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
3457 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
3459 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
3463 view->scroll_info.start_y = event->y;
3464 return ev_view_do_popup_menu (view, event->x, event->y);
3471 ev_view_remove_all (EvView *view)
3473 GList *children, *child;
3475 children = gtk_container_get_children (GTK_CONTAINER (view));
3476 for (child = children; child && child->data; child = g_list_next (child)) {
3477 gtk_container_remove (GTK_CONTAINER (view),
3478 GTK_WIDGET (child->data));
3480 g_list_free (children);
3483 /*** Drag and Drop ***/
3485 ev_view_drag_data_get (GtkWidget *widget,
3486 GdkDragContext *context,
3487 GtkSelectionData *selection_data,
3491 EvView *view = EV_VIEW (widget);
3494 case TARGET_DND_TEXT:
3495 if (EV_IS_SELECTION (view->document) &&
3496 view->selection_info.selections) {
3499 text = get_selected_text (view);
3500 gtk_selection_data_set_text (selection_data,
3506 case TARGET_DND_IMAGE:
3507 if (view->image_dnd_info.image) {
3510 ev_document_doc_mutex_lock ();
3511 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3512 view->image_dnd_info.image);
3513 ev_document_doc_mutex_unlock ();
3515 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
3516 g_object_unref (pixbuf);
3519 case TARGET_DND_URI:
3520 if (view->image_dnd_info.image) {
3522 const gchar *tmp_uri;
3525 ev_document_doc_mutex_lock ();
3526 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3527 view->image_dnd_info.image);
3528 ev_document_doc_mutex_unlock ();
3530 tmp_uri = ev_image_save_tmp (view->image_dnd_info.image, pixbuf);
3531 g_object_unref (pixbuf);
3533 uris[0] = (gchar *)tmp_uri;
3535 gtk_selection_data_set_uris (selection_data, uris);
3541 ev_view_drag_motion (GtkWidget *widget,
3542 GdkDragContext *context,
3547 if (gtk_drag_get_source_widget (context) == widget)
3548 gdk_drag_status (context, 0, time);
3550 gdk_drag_status (context, gdk_drag_context_get_suggested_action (context), time);
3556 selection_update_idle_cb (EvView *view)
3558 compute_selections (view,
3559 view->selection_info.style,
3560 &view->selection_info.start,
3562 view->selection_update_id = 0;
3567 selection_scroll_timeout_cb (EvView *view)
3569 gint x, y, shift = 0;
3570 GtkWidget *widget = GTK_WIDGET (view);
3571 GtkAllocation allocation;
3573 gtk_widget_get_allocation (widget, &allocation);
3574 gtk_widget_get_pointer (widget, &x, &y);
3576 if (y > allocation.height) {
3577 shift = (y - allocation.height) / 2;
3583 gtk_adjustment_set_value (view->vadjustment,
3584 CLAMP (gtk_adjustment_get_value (view->vadjustment) + shift,
3585 gtk_adjustment_get_lower (view->vadjustment),
3586 gtk_adjustment_get_upper (view->vadjustment) -
3587 gtk_adjustment_get_page_size (view->vadjustment)));
3589 if (x > allocation.width) {
3590 shift = (x - allocation.width) / 2;
3596 gtk_adjustment_set_value (view->hadjustment,
3597 CLAMP (gtk_adjustment_get_value (view->hadjustment) + shift,
3598 gtk_adjustment_get_lower (view->hadjustment),
3599 gtk_adjustment_get_upper (view->hadjustment) -
3600 gtk_adjustment_get_page_size (view->hadjustment)));
3606 ev_view_drag_update_momentum (EvView *view)
3609 if (!view->drag_info.in_drag)
3612 for (i = DRAG_HISTORY - 1; i > 0; i--) {
3613 view->drag_info.buffer[i].x = view->drag_info.buffer[i-1].x;
3614 view->drag_info.buffer[i].y = view->drag_info.buffer[i-1].y;
3617 /* Momentum is a moving average of 10ms granularity over
3618 * the last 100ms with each 10ms stored in buffer.
3621 view->drag_info.momentum.x = (view->drag_info.buffer[DRAG_HISTORY - 1].x - view->drag_info.buffer[0].x);
3622 view->drag_info.momentum.y = (view->drag_info.buffer[DRAG_HISTORY - 1].y - view->drag_info.buffer[0].y);
3628 ev_view_scroll_drag_release (EvView *view)
3630 gdouble dhadj_value, dvadj_value;
3631 gdouble oldhadjustment, oldvadjustment;
3632 gdouble h_page_size, v_page_size;
3633 gdouble h_upper, v_upper;
3634 GtkAllocation allocation;
3636 view->drag_info.momentum.x /= 1.2;
3637 view->drag_info.momentum.y /= 1.2; /* Alter these constants to change "friction" */
3639 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
3641 h_page_size = gtk_adjustment_get_page_size (view->hadjustment);
3642 v_page_size = gtk_adjustment_get_page_size (view->vadjustment);
3644 dhadj_value = h_page_size *
3645 (gdouble)view->drag_info.momentum.x / allocation.width;
3646 dvadj_value = v_page_size *
3647 (gdouble)view->drag_info.momentum.y / allocation.height;
3649 oldhadjustment = gtk_adjustment_get_value (view->hadjustment);
3650 oldvadjustment = gtk_adjustment_get_value (view->vadjustment);
3652 h_upper = gtk_adjustment_get_upper (view->hadjustment);
3653 v_upper = gtk_adjustment_get_upper (view->vadjustment);
3655 /* When we reach the edges, we need either to absorb some momentum and bounce by
3656 * multiplying it on -0.5 or stop scrolling by setting momentum to 0. */
3657 if (((oldhadjustment + dhadj_value) > (h_upper - h_page_size)) ||
3658 ((oldhadjustment + dhadj_value) < 0))
3659 view->drag_info.momentum.x = 0;
3660 if (((oldvadjustment + dvadj_value) > (v_upper - v_page_size)) ||
3661 ((oldvadjustment + dvadj_value) < 0))
3662 view->drag_info.momentum.y = 0;
3664 gtk_adjustment_set_value (view->hadjustment,
3665 MIN (oldhadjustment + dhadj_value,
3666 h_upper - h_page_size));
3667 gtk_adjustment_set_value (view->vadjustment,
3668 MIN (oldvadjustment + dvadj_value,
3669 v_upper - v_page_size));
3671 if (((view->drag_info.momentum.x < 1) && (view->drag_info.momentum.x > -1)) &&
3672 ((view->drag_info.momentum.y < 1) && (view->drag_info.momentum.y > -1)))
3679 ev_view_motion_notify_event (GtkWidget *widget,
3680 GdkEventMotion *event)
3682 EvView *view = EV_VIEW (widget);
3683 GdkWindow *bin_window;
3686 if (!view->document)
3689 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
3691 if (event->is_hint || event->window != bin_window) {
3692 gtk_widget_get_pointer (widget, &x, &y);
3698 if (view->scroll_info.autoscrolling) {
3699 view->scroll_info.last_y = y;
3703 if (view->selection_info.in_drag) {
3704 if (gtk_drag_check_threshold (widget,
3705 view->selection_info.start.x,
3706 view->selection_info.start.y,
3708 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3710 gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT);
3712 gtk_drag_begin (widget, target_list,
3714 1, (GdkEvent *)event);
3716 view->selection_info.in_drag = FALSE;
3718 gtk_target_list_unref (target_list);
3722 } else if (view->image_dnd_info.in_drag) {
3723 if (gtk_drag_check_threshold (widget,
3724 view->selection_info.start.x,
3725 view->selection_info.start.y,
3727 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3729 gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI);
3730 gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE);
3732 gtk_drag_begin (widget, target_list,
3734 1, (GdkEvent *)event);
3736 view->image_dnd_info.in_drag = FALSE;
3738 gtk_target_list_unref (target_list);
3744 switch (view->pressed_button) {
3746 /* For the Evince 0.4.x release, we limit selection to un-rotated
3749 if (view->rotation != 0)
3752 /* Schedule timeout to scroll during selection and additionally
3753 * scroll once to allow arbitrary speed. */
3754 if (!view->selection_scroll_id)
3755 view->selection_scroll_id = g_timeout_add (SCROLL_TIME,
3756 (GSourceFunc)selection_scroll_timeout_cb,
3759 selection_scroll_timeout_cb (view);
3761 view->selection_info.in_selection = TRUE;
3762 view->motion.x = x + view->scroll_x;
3763 view->motion.y = y + view->scroll_y;
3765 /* Queue an idle to handle the motion. We do this because
3766 * handling any selection events in the motion could be slower
3767 * than new motion events reach us. We always put it in the
3768 * idle to make sure we catch up and don't visibly lag the
3770 if (!view->selection_update_id)
3771 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
3775 if (!view->drag_info.in_drag) {
3779 start = gtk_drag_check_threshold (widget,
3780 view->drag_info.start.x,
3781 view->drag_info.start.y,
3784 view->drag_info.in_drag = start;
3785 view->drag_info.drag_timeout_id = g_timeout_add (10,
3786 (GSourceFunc)ev_view_drag_update_momentum, view);
3787 /* Set 100 to choose how long it takes to build up momentum */
3788 /* Clear out previous momentum info: */
3789 for (i = 0; i < DRAG_HISTORY; i++) {
3790 view->drag_info.buffer[i].x = event->x;
3791 view->drag_info.buffer[i].y = event->y;
3793 view->drag_info.momentum.x = 0;
3794 view->drag_info.momentum.y = 0;
3797 if (view->drag_info.in_drag) {
3799 gdouble dhadj_value, dvadj_value;
3800 GtkAllocation allocation;
3802 view->drag_info.buffer[0].x = event->x;
3803 view->drag_info.buffer[0].y = event->y;
3805 dx = event->x_root - view->drag_info.start.x;
3806 dy = event->y_root - view->drag_info.start.y;
3808 gtk_widget_get_allocation (widget, &allocation);
3810 dhadj_value = gtk_adjustment_get_page_size (view->hadjustment) *
3811 (gdouble)dx / allocation.width;
3812 dvadj_value = gtk_adjustment_get_page_size (view->vadjustment) *
3813 (gdouble)dy / allocation.height;
3815 /* clamp scrolling to visible area */
3816 gtk_adjustment_set_value (view->hadjustment,
3817 MIN (view->drag_info.hadj - dhadj_value,
3818 gtk_adjustment_get_upper (view->hadjustment) -
3819 gtk_adjustment_get_page_size (view->hadjustment)));
3820 gtk_adjustment_set_value (view->vadjustment,
3821 MIN (view->drag_info.vadj - dvadj_value,
3822 gtk_adjustment_get_upper (view->vadjustment) -
3823 gtk_adjustment_get_page_size (view->vadjustment)));
3830 ev_view_handle_cursor_over_xy (view, x, y);
3837 ev_view_button_release_event (GtkWidget *widget,
3838 GdkEventButton *event)
3840 EvView *view = EV_VIEW (widget);
3841 EvLink *link = NULL;
3843 view->image_dnd_info.in_drag = FALSE;
3845 if (view->scroll_info.autoscrolling) {
3846 ev_view_autoscroll_stop (view);
3847 view->pressed_button = -1;
3852 if (view->drag_info.in_drag) {
3853 view->drag_info.release_timeout_id =
3855 (GSourceFunc)ev_view_scroll_drag_release, view);
3858 if (view->document && !view->drag_info.in_drag && view->pressed_button != 3) {
3859 link = ev_view_get_link_at_location (view, event->x, event->y);
3862 view->drag_info.in_drag = FALSE;
3864 if (view->pressed_button == 2) {
3865 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3868 view->pressed_button = -1;
3870 if (view->selection_scroll_id) {
3871 g_source_remove (view->selection_scroll_id);
3872 view->selection_scroll_id = 0;
3874 if (view->selection_update_id) {
3875 g_source_remove (view->selection_update_id);
3876 view->selection_update_id = 0;
3879 if (view->selection_info.selections) {
3880 clear_link_selected (view);
3881 ev_view_update_primary_selection (view);
3883 if (view->selection_info.in_drag) {
3884 clear_selection (view);
3885 gtk_widget_queue_draw (widget);
3888 view->selection_info.in_drag = FALSE;
3890 if (event->button == 2) {
3891 EvLinkAction *action;
3892 EvLinkActionType type;
3894 action = ev_link_get_action (link);
3898 type = ev_link_action_get_action_type (action);
3899 if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
3900 g_signal_emit (view,
3901 signals[SIGNAL_EXTERNAL_LINK],
3905 ev_view_handle_link (view, link);
3913 ev_view_key_press_event (GtkWidget *widget,
3916 EvView *view = EV_VIEW (widget);
3918 if (!view->document)
3921 if (!gtk_widget_has_focus (widget)) {
3922 /* Forward key events to current focused window child */
3923 if (view->window_child_focus) {
3924 GdkEventKey *new_event;
3927 new_event = (GdkEventKey *) gdk_event_copy ((GdkEvent *)event);
3928 g_object_unref (new_event->window);
3929 new_event->window = gtk_widget_get_window (view->window_child_focus->window);
3930 if (new_event->window)
3931 g_object_ref (new_event->window);
3932 gtk_widget_realize (view->window_child_focus->window);
3933 handled = gtk_widget_event (view->window_child_focus->window, (GdkEvent *)new_event);
3934 gdk_event_free ((GdkEvent *)new_event);
3942 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3946 ev_view_focus_in (GtkWidget *widget,
3947 GdkEventFocus *event)
3949 if (EV_VIEW (widget)->pixbuf_cache)
3950 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3951 gtk_widget_queue_draw (widget);
3957 ev_view_focus_out (GtkWidget *widget,
3958 GdkEventFocus *event)
3960 if (EV_VIEW (widget)->pixbuf_cache)
3961 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3962 gtk_widget_queue_draw (widget);
3968 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3970 EvView *view = EV_VIEW (widget);
3972 if (view->cursor != EV_VIEW_CURSOR_NORMAL)
3973 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
3979 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3981 EvView *view = EV_VIEW (widget);
3983 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3989 ev_view_style_set (GtkWidget *widget,
3990 GtkStyle *old_style)
3992 if (EV_VIEW (widget)->pixbuf_cache)
3993 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3995 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
4001 draw_rubberband (EvView *view,
4003 const GdkRectangle *rect,
4007 GdkColor *fill_color_gdk;
4011 style = gtk_widget_get_style (GTK_WIDGET (view));
4012 fill_color_gdk = gdk_color_copy (&style->base[GTK_STATE_SELECTED]);
4013 r = fill_color_gdk->red / 65535.;
4014 g = fill_color_gdk->green / 65535.;
4015 b = fill_color_gdk->blue / 65535.;
4017 cr = gdk_cairo_create (window);
4019 cairo_set_source_rgba (cr, r, g, b, alpha);
4020 cairo_rectangle (cr,
4021 rect->x - view->scroll_x,
4022 rect->y - view->scroll_y,
4023 rect->width, rect->height);
4024 cairo_fill_preserve (cr);
4026 cairo_set_line_width (cr, 0.5);
4027 cairo_set_source_rgb (cr, r, g, b);
4032 gdk_color_free (fill_color_gdk);
4037 highlight_find_results (EvView *view, int page)
4039 gint i, n_results = 0;
4040 GdkWindow *bin_window;
4042 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
4044 n_results = ev_view_find_get_n_results (view, page);
4046 for (i = 0; i < n_results; i++) {
4047 EvRectangle *rectangle;
4048 GdkRectangle view_rectangle;
4051 if (i == view->find_result && page == view->current_page) {
4057 rectangle = ev_view_find_get_result (view, page, i);
4058 doc_rect_to_view_rect (view, page, rectangle, &view_rectangle);
4059 draw_rubberband (view, bin_window, &view_rectangle, alpha);
4064 highlight_forward_search_results (EvView *view, int page)
4066 GdkWindow *bin_window;
4069 EvMapping *mapping = view->synctex_result;
4071 if (GPOINTER_TO_INT (mapping->data) != page)
4074 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
4075 doc_rect_to_view_rect (view, page, &mapping->area, &rect);
4077 cr = gdk_cairo_create (bin_window);
4078 cairo_set_source_rgb (cr, 1., 0., 0.);
4079 cairo_rectangle (cr,
4080 rect.x - view->scroll_x,
4081 rect.y - view->scroll_y,
4082 rect.width, rect.height);
4088 focus_annotation (EvView *view,
4092 GtkWidget *widget = GTK_WIDGET (view);
4094 EvMapping *mapping = view->focus_annotation;
4095 EvAnnotation *annot = (EvAnnotation *)mapping->data;
4097 if (annot->page->index != page)
4100 doc_rect_to_view_rect (view, page, &mapping->area, &rect);
4101 gtk_paint_focus (gtk_widget_get_style (widget),
4102 gtk_layout_get_bin_window (GTK_LAYOUT (view)),
4103 gtk_widget_get_state (widget),
4105 rect.x - view->scroll_x,
4106 rect.y - view->scroll_y,
4107 rect.width + 1, rect.height + 1);
4111 ev_view_loading_window_move (EvView *view)
4113 GtkWidget *widget = GTK_WIDGET (view);
4114 EvLoadingWindow *window = EV_LOADING_WINDOW (view->loading_window);
4115 gint root_x, root_y;
4117 GtkAllocation allocation;
4119 gtk_widget_get_allocation (widget, &allocation);
4120 gdk_window_get_origin (gtk_widget_get_window (widget), &root_x, &root_y);
4121 ev_loading_window_get_size (window, &window_width, NULL);
4123 root_x += allocation.width - window_width - 10;
4126 ev_loading_window_move (window, root_x, root_y);
4130 show_loading_window_cb (EvView *view)
4132 if (!view->loading_window) {
4136 parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
4137 view->loading_window = ev_loading_window_new (parent);
4139 /* Show the window off screen to get a valid size asap */
4140 screen = gtk_widget_get_screen (GTK_WIDGET (view));
4141 gtk_window_move (GTK_WINDOW (view->loading_window),
4142 gdk_screen_get_width (screen) + 1,
4143 gdk_screen_get_height (screen) + 1);
4144 gtk_widget_show (view->loading_window);
4147 ev_view_loading_window_move (view);
4149 gtk_widget_show (view->loading_window);
4151 view->loading_timeout = 0;
4157 show_loading_window (EvView *view)
4159 if (view->loading_window && gtk_widget_get_visible (view->loading_window)) {
4160 ev_view_loading_window_move (view);
4164 if (!view->loading_timeout) {
4165 view->loading_timeout =
4166 g_timeout_add_full (G_PRIORITY_LOW,
4167 0.5, (GSourceFunc)show_loading_window_cb,
4173 hide_loading_window (EvView *view)
4175 if (view->loading_timeout) {
4176 g_source_remove (view->loading_timeout);
4177 view->loading_timeout = 0;
4180 if (view->loading_window && gtk_widget_get_visible (view->loading_window)) {
4181 gtk_widget_hide (view->loading_window);
4186 draw_one_page (EvView *view,
4189 GdkRectangle *page_area,
4191 GdkRectangle *expose_area,
4192 gboolean *page_ready)
4194 GdkWindow *bin_window;
4195 GdkRectangle overlap;
4196 GdkRectangle real_page_area;
4198 gboolean inverted_colors;
4200 g_assert (view->document);
4202 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
4205 /* Render the document itself */
4206 real_page_area = *page_area;
4208 real_page_area.x += border->left;
4209 real_page_area.y += border->top;
4210 real_page_area.width -= (border->left + border->right);
4211 real_page_area.height -= (border->top + border->bottom);
4214 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
4215 current_page = ev_document_model_get_page (view->model);
4216 inverted_colors = ev_document_model_get_inverted_colors (view->model);
4217 ev_document_misc_paint_one_page (cr,
4220 page == current_page,
4223 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
4225 gint page_width, page_height;
4226 cairo_surface_t *page_surface = NULL;
4227 gint selection_width, selection_height;
4228 cairo_surface_t *selection_surface = NULL;
4230 page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page);
4232 if (!page_surface) {
4233 if (page == current_page)
4234 show_loading_window (view);
4236 *page_ready = FALSE;
4241 if (page == current_page)
4242 hide_loading_window (view);
4244 ev_view_get_page_size (view, page, &width, &height);
4246 page_width = cairo_image_surface_get_width (page_surface);
4247 page_height = cairo_image_surface_get_height (page_surface);
4250 cairo_translate (cr, overlap.x, overlap.y);
4252 if (width != page_width || height != page_height) {
4253 cairo_pattern_set_filter (cairo_get_source (cr),
4256 (gdouble)width / page_width,
4257 (gdouble)height / page_height);
4260 cairo_surface_set_device_offset (page_surface,
4261 overlap.x - real_page_area.x,
4262 overlap.y - real_page_area.y);
4263 cairo_set_source_surface (cr, page_surface, 0, 0);
4267 /* Get the selection pixbuf iff we have something to draw */
4268 if (find_selection_for_page (view, page) &&
4269 view->selection_mode == EV_VIEW_SELECTION_TEXT) {
4271 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
4277 if (!selection_surface) {
4281 selection_width = cairo_image_surface_get_width (selection_surface);
4282 selection_height = cairo_image_surface_get_height (selection_surface);
4285 cairo_translate (cr, overlap.x, overlap.y);
4287 if (width != selection_width || height != selection_height) {
4288 cairo_pattern_set_filter (cairo_get_source (cr),
4291 (gdouble)width / selection_width,
4292 (gdouble)height / selection_height);
4295 cairo_surface_set_device_offset (selection_surface,
4296 overlap.x - real_page_area.x,
4297 overlap.y - real_page_area.y);
4299 cairo_set_source_surface (cr, selection_surface, 0, 0);
4305 /*** GObject functions ***/
4308 ev_view_finalize (GObject *object)
4310 EvView *view = EV_VIEW (object);
4312 clear_selection (view);
4313 clear_link_selected (view);
4315 if (view->synctex_result) {
4316 g_free (view->synctex_result);
4317 view->synctex_result = NULL;
4320 if (view->image_dnd_info.image)
4321 g_object_unref (view->image_dnd_info.image);
4322 view->image_dnd_info.image = NULL;
4324 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
4328 ev_view_destroy (GtkObject *object)
4330 EvView *view = EV_VIEW (object);
4333 g_object_unref (view->model);
4337 if (view->pixbuf_cache) {
4338 g_object_unref (view->pixbuf_cache);
4339 view->pixbuf_cache = NULL;
4342 if (view->document) {
4343 g_object_unref (view->document);
4344 view->document = NULL;
4347 if (view->page_cache) {
4348 g_object_unref (view->page_cache);
4349 view->page_cache = NULL;
4352 ev_view_window_children_free (view);
4354 if (view->selection_scroll_id) {
4355 g_source_remove (view->selection_scroll_id);
4356 view->selection_scroll_id = 0;
4359 if (view->selection_update_id) {
4360 g_source_remove (view->selection_update_id);
4361 view->selection_update_id = 0;
4364 if (view->scroll_info.timeout_id) {
4365 g_source_remove (view->scroll_info.timeout_id);
4366 view->scroll_info.timeout_id = 0;
4369 if (view->drag_info.drag_timeout_id) {
4370 g_source_remove (view->drag_info.drag_timeout_id);
4371 view->drag_info.drag_timeout_id = 0;
4374 if (view->drag_info.release_timeout_id) {
4375 g_source_remove (view->drag_info.release_timeout_id);
4376 view->drag_info.release_timeout_id = 0;
4379 if (view->loading_timeout) {
4380 g_source_remove (view->loading_timeout);
4381 view->loading_timeout = 0;
4384 ev_view_set_scroll_adjustments (GTK_LAYOUT (view), NULL, NULL);
4386 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
4390 ev_view_get_accessible (GtkWidget *widget)
4392 static gboolean first_time = TRUE;
4395 AtkObjectFactory *factory;
4396 AtkRegistry *registry;
4398 GType derived_atk_type;
4401 * Figure out whether accessibility is enabled by looking at the
4402 * type of the accessible object which would be created for
4403 * the parent type of EvView.
4405 derived_type = g_type_parent (EV_TYPE_VIEW);
4407 registry = atk_get_default_registry ();
4408 factory = atk_registry_get_factory (registry,
4410 derived_atk_type = atk_object_factory_get_accessible_type (factory);
4411 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE)) {
4412 atk_registry_set_factory_type (registry,
4414 ev_view_accessible_factory_get_type ());
4415 EV_VIEW (widget)->a11y_enabled = TRUE;
4419 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
4423 ev_view_class_init (EvViewClass *class)
4425 GObjectClass *object_class = G_OBJECT_CLASS (class);
4426 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
4427 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
4428 GtkLayoutClass *layout_class = GTK_LAYOUT_CLASS (class);
4429 GtkBindingSet *binding_set;
4431 object_class->finalize = ev_view_finalize;
4433 widget_class->expose_event = ev_view_expose_event;
4434 widget_class->button_press_event = ev_view_button_press_event;
4435 widget_class->motion_notify_event = ev_view_motion_notify_event;
4436 widget_class->button_release_event = ev_view_button_release_event;
4437 widget_class->key_press_event = ev_view_key_press_event;
4438 widget_class->focus_in_event = ev_view_focus_in;
4439 widget_class->focus_out_event = ev_view_focus_out;
4440 widget_class->get_accessible = ev_view_get_accessible;
4441 widget_class->size_request = ev_view_size_request;
4442 widget_class->size_allocate = ev_view_size_allocate;
4443 widget_class->realize = ev_view_realize;
4444 widget_class->scroll_event = ev_view_scroll_event;
4445 widget_class->enter_notify_event = ev_view_enter_notify_event;
4446 widget_class->leave_notify_event = ev_view_leave_notify_event;
4447 widget_class->style_set = ev_view_style_set;
4448 widget_class->drag_data_get = ev_view_drag_data_get;
4449 widget_class->drag_motion = ev_view_drag_motion;
4450 widget_class->popup_menu = ev_view_popup_menu;
4451 widget_class->query_tooltip = ev_view_query_tooltip;
4453 gtk_object_class->destroy = ev_view_destroy;
4455 layout_class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
4457 class->binding_activated = ev_view_scroll;
4459 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
4460 G_TYPE_FROM_CLASS (object_class),
4461 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4462 G_STRUCT_OFFSET (EvViewClass, binding_activated),
4464 ev_view_marshal_VOID__ENUM_BOOLEAN,
4466 GTK_TYPE_SCROLL_TYPE,
4468 signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link",
4469 G_TYPE_FROM_CLASS (object_class),
4470 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4471 G_STRUCT_OFFSET (EvViewClass, handle_link),
4473 g_cclosure_marshal_VOID__OBJECT,
4476 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
4477 G_TYPE_FROM_CLASS (object_class),
4478 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4479 G_STRUCT_OFFSET (EvViewClass, external_link),
4481 g_cclosure_marshal_VOID__OBJECT,
4484 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
4485 G_TYPE_FROM_CLASS (object_class),
4486 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4487 G_STRUCT_OFFSET (EvViewClass, popup_menu),
4489 g_cclosure_marshal_VOID__POINTER,
4492 signals[SIGNAL_SELECTION_CHANGED] = g_signal_new ("selection-changed",
4493 G_TYPE_FROM_CLASS (object_class),
4494 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4495 G_STRUCT_OFFSET (EvViewClass, selection_changed),
4497 g_cclosure_marshal_VOID__VOID,
4500 signals[SIGNAL_SYNC_SOURCE] = g_signal_new ("sync-source",
4501 G_TYPE_FROM_CLASS (object_class),
4502 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4503 G_STRUCT_OFFSET (EvViewClass, sync_source),
4505 g_cclosure_marshal_VOID__POINTER,
4509 binding_set = gtk_binding_set_by_class (class);
4511 add_scroll_binding_keypad (binding_set, GDK_Left, 0, GTK_SCROLL_STEP_BACKWARD, TRUE);
4512 add_scroll_binding_keypad (binding_set, GDK_Right, 0, GTK_SCROLL_STEP_FORWARD, TRUE);
4513 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, TRUE);
4514 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, TRUE);
4515 add_scroll_binding_keypad (binding_set, GDK_Up, 0, GTK_SCROLL_STEP_BACKWARD, FALSE);
4516 add_scroll_binding_keypad (binding_set, GDK_Down, 0, GTK_SCROLL_STEP_FORWARD, FALSE);
4517 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, FALSE);
4518 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, FALSE);
4519 gtk_binding_entry_add_signal (binding_set, GDK_H, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4520 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE);
4521 gtk_binding_entry_add_signal (binding_set, GDK_J, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4522 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE);
4523 gtk_binding_entry_add_signal (binding_set, GDK_K, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4524 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE);
4525 gtk_binding_entry_add_signal (binding_set, GDK_L, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4526 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE);
4531 ev_view_init (EvView *view)
4533 gtk_widget_set_can_focus (GTK_WIDGET (view), TRUE);
4535 view->start_page = -1;
4536 view->end_page = -1;
4539 view->current_page = 0;
4540 view->pressed_button = -1;
4541 view->cursor = EV_VIEW_CURSOR_NORMAL;
4542 view->drag_info.in_drag = FALSE;
4543 view->scroll_info.autoscrolling = FALSE;
4544 view->selection_info.selections = NULL;
4545 view->selection_info.in_selection = FALSE;
4546 view->selection_info.in_drag = FALSE;
4547 view->selection_mode = EV_VIEW_SELECTION_TEXT;
4548 view->continuous = TRUE;
4549 view->dual_page = FALSE;
4550 view->fullscreen = FALSE;
4551 view->sizing_mode = EV_SIZING_FIT_WIDTH;
4552 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4553 view->jump_to_find_result = TRUE;
4554 view->highlight_find_results = FALSE;
4556 gtk_layout_set_hadjustment (GTK_LAYOUT (view), NULL);
4557 gtk_layout_set_vadjustment (GTK_LAYOUT (view), NULL);
4563 ev_view_change_page (EvView *view,
4568 view->current_page = new_page;
4569 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4571 hide_loading_window (view);
4573 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4574 ev_view_handle_cursor_over_xy (view, x, y);
4576 gtk_widget_queue_resize (GTK_WIDGET (view));
4580 job_finished_cb (EvPixbufCache *pixbuf_cache,
4581 cairo_region_t *region,
4585 GdkWindow *bin_window;
4587 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
4588 gdk_window_invalidate_region (bin_window, region, TRUE);
4590 gtk_widget_queue_draw (GTK_WIDGET (view));
4595 ev_view_page_changed_cb (EvDocumentModel *model,
4600 if (!view->document)
4603 if (view->current_page != new_page) {
4604 ev_view_change_page (view, new_page);
4606 gtk_widget_queue_draw (GTK_WIDGET (view));
4609 view->find_result = 0;
4613 on_adjustment_value_changed (GtkAdjustment *adjustment,
4619 GList *children, *l;
4621 if (!gtk_widget_get_realized (GTK_WIDGET (view)))
4624 if (view->hadjustment) {
4625 value = (gint) gtk_adjustment_get_value (view->hadjustment);
4626 dx = view->scroll_x - value;
4627 view->scroll_x = value;
4632 if (view->vadjustment) {
4633 value = (gint) gtk_adjustment_get_value (view->vadjustment);
4634 dy = view->scroll_y - value;
4635 view->scroll_y = value;
4640 children = gtk_container_get_children (GTK_CONTAINER (view));
4641 for (l = children; l && l->data; l = g_list_next (l)) {
4642 gint child_x, child_y;
4643 GtkWidget *child = (GtkWidget *)l->data;
4645 gtk_container_child_get (GTK_CONTAINER (view),
4650 gtk_layout_move (GTK_LAYOUT (view), child, child_x + dx, child_y + dy);
4652 g_list_free (children);
4654 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
4655 EvViewWindowChild *child;
4657 child = (EvViewWindowChild *)l->data;
4659 ev_view_window_child_move (view, child, child->x + dx, child->y + dy);
4662 if (view->pending_resize) {
4663 gtk_widget_queue_draw (GTK_WIDGET (view));
4665 GdkWindow *bin_window;
4667 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
4668 gdk_window_scroll (bin_window, dx, dy);
4671 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4672 ev_view_handle_cursor_over_xy (view, x, y);
4675 view_update_range_and_current_page (view);
4683 view = g_object_new (EV_TYPE_VIEW, NULL);
4689 setup_caches (EvView *view)
4691 gboolean inverted_colors;
4693 view->height_to_page_cache = ev_view_get_height_to_page_cache (view);
4694 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->model, view->pixbuf_cache_size);
4695 view->page_cache = ev_page_cache_new (view->document);
4696 if (view->a11y_enabled) {
4697 EvJobPageDataFlags flags = ev_page_cache_get_flags (view->page_cache);
4699 ev_page_cache_set_flags (view->page_cache,
4701 EV_PAGE_DATA_INCLUDE_TEXT_LAYOUT |
4702 EV_PAGE_DATA_INCLUDE_TEXT);
4704 inverted_colors = ev_document_model_get_inverted_colors (view->model);
4705 ev_pixbuf_cache_set_inverted_colors (view->pixbuf_cache, inverted_colors);
4706 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
4710 clear_caches (EvView *view)
4712 if (view->pixbuf_cache) {
4713 g_object_unref (view->pixbuf_cache);
4714 view->pixbuf_cache = NULL;
4717 if (view->page_cache) {
4718 g_object_unref (view->page_cache);
4719 view->page_cache = NULL;
4724 * ev_view_set_page_cache_size:
4728 * Sets the maximum size in bytes that will be used to cache
4729 * rendered pages. Use 0 to disable caching rendered pages.
4731 * Note that this limit doesn't affect the current visible page range,
4732 * which will always be rendered. In order to limit the total memory used
4733 * you have to use ev_document_model_set_max_scale() too.
4737 ev_view_set_page_cache_size (EvView *view,
4740 if (view->pixbuf_cache_size == cache_size)
4743 view->pixbuf_cache_size = cache_size;
4744 if (view->pixbuf_cache)
4745 ev_pixbuf_cache_set_max_size (view->pixbuf_cache, cache_size);
4749 ev_view_set_loading (EvView *view,
4752 if (view->loading && !loading)
4753 hide_loading_window (view);
4754 view->loading = loading;
4755 gtk_widget_queue_draw (GTK_WIDGET (view));
4759 ev_view_autoscroll_cb (EvView *view)
4761 gdouble speed, value;
4763 /* If the user stops autoscrolling, autoscrolling will be
4764 * set to false but the timeout will continue; stop the timeout: */
4765 if (!view->scroll_info.autoscrolling) {
4766 view->scroll_info.timeout_id = 0;
4770 if (view->scroll_info.last_y > view->scroll_info.start_y &&
4771 (view->scroll_info.last_y < view->scroll_info.start_y))
4774 /* Replace 100 with your speed of choice: The lower the faster.
4775 * Replace 3 with another speed of choice: The higher, the faster it accelerated
4776 * based on the distance of the starting point from the mouse
4777 * (All also effected by the timeout interval of this callback) */
4779 if (view->scroll_info.start_y > view->scroll_info.last_y)
4780 speed = -pow ((((gdouble)view->scroll_info.start_y - view->scroll_info.last_y) / 100), 3);
4782 speed = pow ((((gdouble)view->scroll_info.last_y - view->scroll_info.start_y) / 100), 3);
4784 value = gtk_adjustment_get_value (view->vadjustment);
4785 value = CLAMP (value + speed, 0,
4786 gtk_adjustment_get_upper (view->vadjustment) -
4787 gtk_adjustment_get_page_size (view->vadjustment));
4788 gtk_adjustment_set_value (view->vadjustment, value);
4795 ev_view_autoscroll_start (EvView *view)
4799 g_return_if_fail (EV_IS_VIEW (view));
4801 if (view->scroll_info.autoscrolling)
4804 view->scroll_info.autoscrolling = TRUE;
4805 view->scroll_info.timeout_id =
4806 g_timeout_add (20, (GSourceFunc)ev_view_autoscroll_cb,
4809 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4810 ev_view_handle_cursor_over_xy (view, x, y);
4814 ev_view_autoscroll_stop (EvView *view)
4818 g_return_if_fail (EV_IS_VIEW (view));
4820 if (!view->scroll_info.autoscrolling)
4823 view->scroll_info.autoscrolling = FALSE;
4824 if (view->scroll_info.timeout_id) {
4825 g_source_remove (view->scroll_info.timeout_id);
4826 view->scroll_info.timeout_id = 0;
4829 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4830 ev_view_handle_cursor_over_xy (view, x, y);
4834 ev_view_document_changed_cb (EvDocumentModel *model,
4838 EvDocument *document = ev_document_model_get_document (model);
4840 if (document != view->document) {
4843 clear_caches (view);
4845 if (view->document) {
4846 g_object_unref (view->document);
4849 view->document = document;
4850 view->find_result = 0;
4852 if (view->document) {
4853 view->loading = FALSE;
4854 g_object_ref (view->document);
4855 setup_caches (view);
4858 current_page = ev_document_model_get_page (model);
4859 if (view->current_page != current_page) {
4860 ev_view_change_page (view, current_page);
4862 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4863 gtk_widget_queue_resize (GTK_WIDGET (view));
4869 ev_view_rotation_changed_cb (EvDocumentModel *model,
4873 gint rotation = ev_document_model_get_rotation (model);
4875 view->rotation = rotation;
4877 if (view->pixbuf_cache) {
4878 ev_pixbuf_cache_clear (view->pixbuf_cache);
4879 if (!ev_document_is_page_size_uniform (view->document))
4880 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4881 gtk_widget_queue_resize (GTK_WIDGET (view));
4884 ev_view_remove_all (view);
4887 clear_selection (view);
4891 ev_view_inverted_colors_changed_cb (EvDocumentModel *model,
4895 if (view->pixbuf_cache) {
4896 gboolean inverted_colors;
4898 inverted_colors = ev_document_model_get_inverted_colors (model);
4899 ev_pixbuf_cache_set_inverted_colors (view->pixbuf_cache, inverted_colors);
4900 gtk_widget_queue_draw (GTK_WIDGET (view));
4905 ev_view_sizing_mode_changed_cb (EvDocumentModel *model,
4909 EvSizingMode mode = ev_document_model_get_sizing_mode (model);
4911 view->sizing_mode = mode;
4912 if (mode != EV_SIZING_FREE)
4913 gtk_widget_queue_resize (GTK_WIDGET (view));
4916 #define EPSILON 0.0000001
4918 ev_view_scale_changed_cb (EvDocumentModel *model,
4922 gdouble scale = ev_document_model_get_scale (model);
4924 if (ABS (view->scale - scale) < EPSILON)
4927 view->scale = scale;
4929 view->pending_resize = TRUE;
4930 if (view->sizing_mode == EV_SIZING_FREE)
4931 gtk_widget_queue_resize (GTK_WIDGET (view));
4935 ev_view_continuous_changed_cb (EvDocumentModel *model,
4939 gboolean continuous = ev_document_model_get_continuous (model);
4941 view->continuous = continuous;
4942 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4943 gtk_widget_queue_resize (GTK_WIDGET (view));
4947 ev_view_dual_page_changed_cb (EvDocumentModel *model,
4951 gboolean dual_page = ev_document_model_get_dual_page (model);
4953 view->dual_page = dual_page;
4954 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4955 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
4956 * preload_cache_size to be 2 if dual_page is set.
4958 gtk_widget_queue_resize (GTK_WIDGET (view));
4962 ev_view_fullscreen_changed_cb (EvDocumentModel *model,
4966 gboolean fullscreen = ev_document_model_get_fullscreen (model);
4968 view->fullscreen = fullscreen;
4969 gtk_widget_queue_resize (GTK_WIDGET (view));
4973 ev_view_set_model (EvView *view,
4974 EvDocumentModel *model)
4976 g_return_if_fail (EV_IS_VIEW (view));
4977 g_return_if_fail (EV_IS_DOCUMENT_MODEL (model));
4979 if (model == view->model)
4983 g_signal_handlers_disconnect_by_func (view->model,
4984 ev_view_document_changed_cb,
4986 g_signal_handlers_disconnect_by_func (view->model,
4987 ev_view_page_changed_cb,
4989 g_object_unref (view->model);
4991 view->model = g_object_ref (model);
4993 /* Initialize view from model */
4994 view->rotation = ev_document_model_get_rotation (view->model);
4995 view->sizing_mode = ev_document_model_get_sizing_mode (view->model);
4996 view->scale = ev_document_model_get_scale (view->model);
4997 view->continuous = ev_document_model_get_continuous (view->model);
4998 view->dual_page = ev_document_model_get_dual_page (view->model);
4999 view->fullscreen = ev_document_model_get_fullscreen (view->model);
5000 ev_view_document_changed_cb (view->model, NULL, view);
5002 g_signal_connect (view->model, "notify::document",
5003 G_CALLBACK (ev_view_document_changed_cb),
5005 g_signal_connect (view->model, "notify::rotation",
5006 G_CALLBACK (ev_view_rotation_changed_cb),
5008 g_signal_connect (view->model, "notify::inverted-colors",
5009 G_CALLBACK (ev_view_inverted_colors_changed_cb),
5011 g_signal_connect (view->model, "notify::sizing-mode",
5012 G_CALLBACK (ev_view_sizing_mode_changed_cb),
5014 g_signal_connect (view->model, "notify::scale",
5015 G_CALLBACK (ev_view_scale_changed_cb),
5017 g_signal_connect (view->model, "notify::continuous",
5018 G_CALLBACK (ev_view_continuous_changed_cb),
5020 g_signal_connect (view->model, "notify::dual-page",
5021 G_CALLBACK (ev_view_dual_page_changed_cb),
5023 g_signal_connect (view->model, "notify::fullscreen",
5024 G_CALLBACK (ev_view_fullscreen_changed_cb),
5026 g_signal_connect (view->model, "page-changed",
5027 G_CALLBACK (ev_view_page_changed_cb),
5032 ev_view_reload_page (EvView *view,
5034 cairo_region_t *region)
5036 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
5044 ev_view_reload (EvView *view)
5046 ev_pixbuf_cache_clear (view->pixbuf_cache);
5047 view_update_range_and_current_page (view);
5050 /*** Zoom and sizing mode ***/
5053 ev_view_can_zoom_in (EvView *view)
5055 return view->scale * ZOOM_IN_FACTOR <= ev_document_model_get_max_scale (view->model);
5059 ev_view_can_zoom_out (EvView *view)
5061 return view->scale * ZOOM_OUT_FACTOR >= ev_document_model_get_min_scale (view->model);
5065 ev_view_zoom_in (EvView *view)
5069 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5071 view->pending_scroll = SCROLL_TO_CENTER;
5072 scale = ev_document_model_get_scale (view->model) * ZOOM_IN_FACTOR;
5073 ev_document_model_set_scale (view->model, scale);
5077 ev_view_zoom_out (EvView *view)
5081 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5083 view->pending_scroll = SCROLL_TO_CENTER;
5084 scale = ev_document_model_get_scale (view->model) * ZOOM_OUT_FACTOR;
5085 ev_document_model_set_scale (view->model, scale);
5089 zoom_for_size_fit_width (gdouble doc_width,
5094 return (double)target_width / doc_width;
5098 zoom_for_size_fit_height (gdouble doc_width,
5103 return (double)target_height / doc_height;
5107 zoom_for_size_best_fit (gdouble doc_width,
5115 w_scale = (double)target_width / doc_width;
5116 h_scale = (double)target_height / doc_height;
5118 return MIN (w_scale, h_scale);
5122 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
5126 gdouble doc_width, doc_height;
5131 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5132 if (view->rotation == 90 || view->rotation == 270) {
5136 doc_width = doc_height;
5140 compute_border (view, doc_width, doc_height, &border);
5143 width -= (2 * (border.left + border.right) + 3 * view->spacing);
5144 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5146 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5148 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5149 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5150 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5151 scale = zoom_for_size_best_fit (doc_width, doc_height, width - sb_size, height);
5153 g_assert_not_reached ();
5155 ev_document_model_set_scale (view->model, scale);
5159 ev_view_zoom_for_size_continuous (EvView *view,
5163 gdouble doc_width, doc_height;
5168 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5169 if (view->rotation == 90 || view->rotation == 270) {
5173 doc_width = doc_height;
5177 compute_border (view, doc_width, doc_height, &border);
5179 width -= (border.left + border.right + 2 * view->spacing);
5180 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5182 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5184 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5185 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5186 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5187 scale = zoom_for_size_best_fit (doc_width, doc_height, width - sb_size, height);
5189 g_assert_not_reached ();
5191 ev_document_model_set_scale (view->model, scale);
5195 ev_view_zoom_for_size_dual_page (EvView *view,
5200 gdouble doc_width, doc_height;
5204 other_page = view->current_page ^ 1;
5206 /* Find the largest of the two. */
5207 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5208 if (other_page < ev_document_get_n_pages (view->document)) {
5209 gdouble width_2, height_2;
5211 get_doc_page_size (view, other_page, &width_2, &height_2);
5212 if (width_2 > doc_width)
5213 doc_width = width_2;
5214 if (height_2 > doc_height)
5215 doc_height = height_2;
5217 compute_border (view, width, height, &border);
5219 doc_width = doc_width * 2;
5220 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
5221 height -= (border.top + border.bottom + 2 * view->spacing);
5223 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5226 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5227 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5228 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5229 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5231 g_assert_not_reached ();
5233 ev_document_model_set_scale (view->model, scale);
5237 ev_view_zoom_for_size_single_page (EvView *view,
5241 gdouble doc_width, doc_height;
5245 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5247 /* Get an approximate border */
5248 compute_border (view, width, height, &border);
5250 width -= (border.left + border.right + 2 * view->spacing);
5251 height -= (border.top + border.bottom + 2 * view->spacing);
5253 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5256 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5257 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5258 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5259 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5261 g_assert_not_reached ();
5263 ev_document_model_set_scale (view->model, scale);
5267 ev_view_zoom_for_size (EvView *view,
5271 g_return_if_fail (EV_IS_VIEW (view));
5272 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
5273 view->sizing_mode == EV_SIZING_BEST_FIT);
5274 g_return_if_fail (width >= 0);
5275 g_return_if_fail (height >= 0);
5277 if (view->document == NULL)
5280 if (view->continuous && view->dual_page)
5281 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height);
5282 else if (view->continuous)
5283 ev_view_zoom_for_size_continuous (view, width, height);
5284 else if (view->dual_page)
5285 ev_view_zoom_for_size_dual_page (view, width, height);
5287 ev_view_zoom_for_size_single_page (view, width, height);
5292 ev_view_find_get_n_results (EvView *view, gint page)
5294 return view->find_pages ? g_list_length (view->find_pages[page]) : 0;
5297 static EvRectangle *
5298 ev_view_find_get_result (EvView *view, gint page, gint result)
5300 return view->find_pages ? (EvRectangle *) g_list_nth_data (view->find_pages[page], result) : NULL;
5304 jump_to_find_result (EvView *view)
5307 gint page = view->current_page;
5309 n_results = ev_view_find_get_n_results (view, page);
5311 if (n_results > 0 && view->find_result < n_results) {
5313 GdkRectangle view_rect;
5315 rect = ev_view_find_get_result (view, page, view->find_result);
5316 doc_rect_to_view_rect (view, page, rect, &view_rect);
5317 ensure_rectangle_is_visible (view, &view_rect);
5318 view->jump_to_find_result = FALSE;
5324 * @view: #EvView instance
5325 * @direction: Direction to look
5326 * @shift: Shift from current page
5328 * Jumps to the first page that has occurences of searched word.
5329 * Uses a direction where to look and a shift from current page.
5333 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
5337 n_pages = ev_document_get_n_pages (view->document);
5339 for (i = 0; i < n_pages; i++) {
5342 if (direction == EV_VIEW_FIND_NEXT)
5343 page = view->current_page + i;
5345 page = view->current_page - i;
5348 if (page >= n_pages) {
5349 page = page - n_pages;
5350 } else if (page < 0)
5351 page = page + n_pages;
5353 if (ev_view_find_get_n_results (view, page) > 0) {
5354 ev_document_model_set_page (view->model, page);
5361 ev_view_find_changed (EvView *view, GList **results, gint page)
5363 view->find_pages = results;
5365 if (view->jump_to_find_result == TRUE) {
5366 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
5367 jump_to_find_result (view);
5370 if (view->current_page == page)
5371 gtk_widget_queue_draw (GTK_WIDGET (view));
5375 ev_view_find_next (EvView *view)
5379 n_results = ev_view_find_get_n_results (view, view->current_page);
5380 view->find_result++;
5382 if (view->find_result >= n_results) {
5383 view->find_result = 0;
5384 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
5385 jump_to_find_result (view);
5387 jump_to_find_result (view);
5388 gtk_widget_queue_draw (GTK_WIDGET (view));
5393 ev_view_find_previous (EvView *view)
5395 view->find_result--;
5397 if (view->find_result < 0) {
5398 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
5399 view->find_result = MAX (0, ev_view_find_get_n_results (view, view->current_page) - 1);
5400 jump_to_find_result (view);
5402 jump_to_find_result (view);
5403 gtk_widget_queue_draw (GTK_WIDGET (view));
5408 ev_view_find_search_changed (EvView *view)
5410 /* search string has changed, focus on new search result */
5411 view->jump_to_find_result = TRUE;
5412 view->find_pages = NULL;
5416 ev_view_find_set_highlight_search (EvView *view, gboolean value)
5418 view->highlight_find_results = value;
5419 gtk_widget_queue_draw (GTK_WIDGET (view));
5423 ev_view_find_cancel (EvView *view)
5425 view->find_pages = NULL;
5430 ev_view_highlight_forward_search (EvView *view,
5435 GdkRectangle view_rect;
5437 if (!ev_document_has_synctex (view->document))
5440 mapping = ev_document_synctex_forward_search (view->document, link);
5444 if (view->synctex_result)
5445 g_free (view->synctex_result);
5446 view->synctex_result = mapping;
5448 page = GPOINTER_TO_INT (mapping->data);
5449 ev_document_model_set_page (view->model, page);
5451 doc_rect_to_view_rect (view, page, &mapping->area, &view_rect);
5452 ensure_rectangle_is_visible (view, &view_rect);
5453 gtk_widget_queue_draw (GTK_WIDGET (view));
5456 /*** Selections ***/
5458 /* compute_new_selection_rect/text calculates the area currently selected by
5459 * view_rect. each handles a different mode;
5462 compute_new_selection_rect (EvView *view,
5466 GdkRectangle view_rect;
5470 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
5472 view_rect.x = MIN (start->x, stop->x);
5473 view_rect.y = MIN (start->y, stop->y);
5474 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
5475 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
5477 n_pages = ev_document_get_n_pages (view->document);
5479 for (i = 0; i < n_pages; i++) {
5480 GdkRectangle page_area;
5483 if (ev_view_get_page_extents (view, i, &page_area, &border)) {
5484 GdkRectangle overlap;
5486 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
5487 EvViewSelection *selection;
5489 selection = g_new0 (EvViewSelection, 1);
5490 selection->page = i;
5491 view_rect_to_doc_rect (view, &overlap, &page_area,
5492 &(selection->rect));
5494 list = g_list_append (list, selection);
5503 gdk_rectangle_point_in (GdkRectangle *rectangle,
5506 return rectangle->x <= point->x &&
5507 rectangle->y <= point->y &&
5508 point->x < rectangle->x + rectangle->width &&
5509 point->y < rectangle->y + rectangle->height;
5513 compute_new_selection_text (EvView *view,
5514 EvSelectionStyle style,
5518 int n_pages, i, first, last;
5520 EvViewSelection *selection;
5521 gdouble width, height;
5522 int start_page, end_page;
5524 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
5526 n_pages = ev_document_get_n_pages (view->document);
5528 /* First figure out the range of pages the selection
5532 if (view->continuous) {
5535 } else if (view->dual_page) {
5536 start_page = view->start_page;
5537 end_page = view->end_page + 1;
5539 start_page = view->current_page;
5540 end_page = view->current_page + 1;
5543 for (i = start_page; i < end_page; i++) {
5544 GdkRectangle page_area;
5547 ev_view_get_page_extents (view, i, &page_area, &border);
5548 if (gdk_rectangle_point_in (&page_area, start) ||
5549 gdk_rectangle_point_in (&page_area, stop)) {
5550 if (first == n_pages)
5557 /* Now create a list of EvViewSelection's for the affected
5558 * pages. This could be an empty list, a list of just one
5559 * page or a number of pages.*/
5560 for (i = first; i < last + 1; i++) {
5561 GdkRectangle page_area;
5565 get_doc_page_size (view, i, &width, &height);
5567 selection = g_new0 (EvViewSelection, 1);
5568 selection->page = i;
5569 selection->style = style;
5570 selection->rect.x1 = selection->rect.y1 = 0;
5571 selection->rect.x2 = width;
5572 selection->rect.y2 = height;
5574 ev_view_get_page_extents (view, i, &page_area, &border);
5576 if (gdk_rectangle_point_in (&page_area, start))
5582 view_point_to_doc_point (view, point, &page_area,
5583 &selection->rect.x1,
5584 &selection->rect.y1);
5586 /* If the selection is contained within just one page,
5587 * make sure we don't write 'start' into both points
5588 * in selection->rect. */
5593 view_point_to_doc_point (view, point, &page_area,
5594 &selection->rect.x2,
5595 &selection->rect.y2);
5597 list = g_list_append (list, selection);
5603 /* This function takes the newly calculated list, and figures out which regions
5604 * have changed. It then queues a redraw approporiately.
5607 merge_selection_region (EvView *view,
5611 GList *new_list_ptr, *old_list_ptr;
5613 /* Update the selection */
5614 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
5615 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5616 g_list_free (view->selection_info.selections);
5617 view->selection_info.selections = new_list;
5618 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
5619 g_signal_emit (view, signals[SIGNAL_SELECTION_CHANGED], 0, NULL);
5621 new_list_ptr = new_list;
5622 old_list_ptr = old_list;
5624 while (new_list_ptr || old_list_ptr) {
5625 EvViewSelection *old_sel, *new_sel;
5627 cairo_region_t *region = NULL;
5629 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
5630 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
5632 /* Assume that the lists are in order, and we run through them
5633 * comparing them, one page at a time. We come out with the
5634 * first page we see. */
5635 if (new_sel && old_sel) {
5636 if (new_sel->page < old_sel->page) {
5637 new_list_ptr = new_list_ptr->next;
5639 } else if (new_sel->page > old_sel->page) {
5640 old_list_ptr = old_list_ptr->next;
5643 new_list_ptr = new_list_ptr->next;
5644 old_list_ptr = old_list_ptr->next;
5646 } else if (new_sel) {
5647 new_list_ptr = new_list_ptr->next;
5648 } else if (old_sel) {
5649 old_list_ptr = old_list_ptr->next;
5652 g_assert (new_sel || old_sel);
5654 /* is the page we're looking at on the screen?*/
5655 cur_page = new_sel ? new_sel->page : old_sel->page;
5656 if (cur_page < view->start_page || cur_page > view->end_page)
5659 /* seed the cache with a new page. We are going to need the new
5662 cairo_region_t *tmp_region = NULL;
5664 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
5669 if (tmp_region && !cairo_region_is_empty (tmp_region)) {
5670 new_sel->covered_region = cairo_region_reference (tmp_region);
5674 /* Now we figure out what needs redrawing */
5675 if (old_sel && new_sel) {
5676 if (old_sel->covered_region && new_sel->covered_region) {
5677 /* We only want to redraw the areas that have
5678 * changed, so we xor the old and new regions
5679 * and redraw if it's different */
5680 region = cairo_region_copy (old_sel->covered_region);
5681 #if CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1, 9, 12)
5682 cairo_region_xor (region, new_sel->covered_region);
5684 cairo_region_t *tbr;
5685 tbr = cairo_region_copy (new_sel->covered_region);
5687 /* xor old_sel, new_sel*/
5688 cairo_region_subtract (tbr, region);
5689 cairo_region_subtract (region, new_sel->covered_region);
5690 cairo_region_union (region, tbr);
5691 cairo_region_destroy (tbr);
5694 if (cairo_region_is_empty (region)) {
5695 cairo_region_destroy (region);
5698 gint num_rectangles = cairo_region_num_rectangles (region);
5701 /* We need to make the damage region a little bigger
5702 * because the edges of the old selection might change
5704 cairo_region_get_rectangle (region, 0, &r);
5707 cairo_region_union_rectangle (region, &r);
5709 cairo_region_get_rectangle (region, num_rectangles - 1, &r);
5712 cairo_region_union_rectangle (region, &r);
5714 } else if (old_sel->covered_region) {
5715 region = cairo_region_copy (old_sel->covered_region);
5716 } else if (new_sel->covered_region) {
5717 region = cairo_region_copy (new_sel->covered_region);
5719 } else if (old_sel && !new_sel) {
5720 if (old_sel->covered_region && !cairo_region_is_empty (old_sel->covered_region)) {
5721 region = cairo_region_copy (old_sel->covered_region);
5723 } else if (!old_sel && new_sel) {
5724 if (new_sel->covered_region && !cairo_region_is_empty (new_sel->covered_region)) {
5725 region = cairo_region_copy (new_sel->covered_region);
5728 g_assert_not_reached ();
5731 /* Redraw the damaged region! */
5733 GdkWindow *bin_window;
5734 GdkRectangle page_area;
5737 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
5738 ev_view_get_page_extents (view, cur_page, &page_area, &border);
5739 cairo_region_translate (region,
5740 page_area.x + border.left - view->scroll_x,
5741 page_area.y + border.top - view->scroll_y);
5742 gdk_window_invalidate_region (bin_window, region, TRUE);
5743 cairo_region_destroy (region);
5747 /* Free the old list, now that we're done with it. */
5748 g_list_foreach (old_list, (GFunc) selection_free, NULL);
5749 g_list_free (old_list);
5753 compute_selections (EvView *view,
5754 EvSelectionStyle style,
5760 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
5761 list = compute_new_selection_rect (view, start, stop);
5763 list = compute_new_selection_text (view, style, start, stop);
5764 merge_selection_region (view, list);
5767 /* Free's the selection. It's up to the caller to queue redraws if needed.
5770 selection_free (EvViewSelection *selection)
5772 if (selection->covered_region)
5773 cairo_region_destroy (selection->covered_region);
5778 clear_selection (EvView *view)
5780 if (view->selection_info.selections) {
5781 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5782 g_list_free (view->selection_info.selections);
5783 view->selection_info.selections = NULL;
5785 g_signal_emit (view, signals[SIGNAL_SELECTION_CHANGED], 0, NULL);
5787 view->selection_info.in_selection = FALSE;
5788 if (view->pixbuf_cache)
5789 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
5793 ev_view_select_all (EvView *view)
5795 GList *selections = NULL;
5798 /* Disable selection on rotated pages for the 0.4.0 series */
5799 if (view->rotation != 0)
5802 clear_selection (view);
5804 n_pages = ev_document_get_n_pages (view->document);
5805 for (i = 0; i < n_pages; i++) {
5806 gdouble width, height;
5807 EvViewSelection *selection;
5809 get_doc_page_size (view, i, &width, &height);
5811 selection = g_new0 (EvViewSelection, 1);
5812 selection->page = i;
5813 selection->style = EV_SELECTION_STYLE_GLYPH;
5814 selection->rect.x1 = selection->rect.y1 = 0;
5815 selection->rect.x2 = width;
5816 selection->rect.y2 = height;
5818 selections = g_list_append (selections, selection);
5821 merge_selection_region (view, selections);
5822 gtk_widget_queue_draw (GTK_WIDGET (view));
5826 ev_view_get_has_selection (EvView *view)
5828 return view->selection_info.selections != NULL;
5832 get_selected_text (EvView *view)
5836 gchar *normalized_text;
5838 text = g_string_new (NULL);
5840 ev_document_doc_mutex_lock ();
5842 for (l = view->selection_info.selections; l != NULL; l = l->next) {
5843 EvViewSelection *selection = (EvViewSelection *)l->data;
5847 page = ev_document_get_page (view->document, selection->page);
5848 tmp = ev_selection_get_selected_text (EV_SELECTION (view->document),
5849 page, selection->style,
5850 &(selection->rect));
5851 g_object_unref (page);
5852 g_string_append (text, tmp);
5856 ev_document_doc_mutex_unlock ();
5858 normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC);
5859 g_string_free (text, TRUE);
5860 return normalized_text;
5864 ev_view_clipboard_copy (EvView *view,
5867 GtkClipboard *clipboard;
5869 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
5870 GDK_SELECTION_CLIPBOARD);
5871 gtk_clipboard_set_text (clipboard, text, -1);
5875 ev_view_copy (EvView *ev_view)
5879 if (!EV_IS_SELECTION (ev_view->document))
5882 text = get_selected_text (ev_view);
5883 ev_view_clipboard_copy (ev_view, text);
5888 ev_view_primary_get_cb (GtkClipboard *clipboard,
5889 GtkSelectionData *selection_data,
5893 EvView *ev_view = EV_VIEW (data);
5895 if (ev_view->link_selected) {
5896 gtk_selection_data_set_text (selection_data,
5897 ev_link_action_get_uri (ev_view->link_selected),
5899 } else if (EV_IS_SELECTION (ev_view->document) &&
5900 ev_view->selection_info.selections) {
5903 text = get_selected_text (ev_view);
5905 gtk_selection_data_set_text (selection_data, text, -1);
5912 ev_view_primary_clear_cb (GtkClipboard *clipboard,
5915 EvView *view = EV_VIEW (data);
5917 clear_selection (view);
5918 clear_link_selected (view);
5922 ev_view_update_primary_selection (EvView *ev_view)
5924 GtkClipboard *clipboard;
5926 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
5927 GDK_SELECTION_PRIMARY);
5929 if (ev_view->selection_info.selections || ev_view->link_selected) {
5930 GtkTargetList *target_list;
5931 GtkTargetEntry *targets;
5934 target_list = gtk_target_list_new (NULL, 0);
5935 gtk_target_list_add_text_targets (target_list, 0);
5936 targets = gtk_target_table_new_from_list (target_list, &n_targets);
5937 gtk_target_list_unref (target_list);
5939 if (!gtk_clipboard_set_with_owner (clipboard,
5941 ev_view_primary_get_cb,
5942 ev_view_primary_clear_cb,
5943 G_OBJECT (ev_view)))
5944 ev_view_primary_clear_cb (clipboard, ev_view);
5946 gtk_target_table_free (targets, n_targets);
5948 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
5949 gtk_clipboard_clear (clipboard);
5954 clear_link_selected (EvView *view)
5956 if (view->link_selected) {
5957 g_object_unref (view->link_selected);
5958 view->link_selected = NULL;
5963 ev_view_copy_link_address (EvView *view,
5964 EvLinkAction *action)
5966 clear_link_selected (view);
5968 ev_view_clipboard_copy (view, ev_link_action_get_uri (action));
5970 view->link_selected = g_object_ref (action);
5971 ev_view_update_primary_selection (view);
5974 /*** Cursor operations ***/
5976 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
5978 GdkCursor *cursor = NULL;
5980 GdkWindow *bin_window;
5982 if (view->cursor == new_cursor) {
5986 view->cursor = new_cursor;
5988 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
5989 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
5990 cursor = ev_view_cursor_new (gtk_widget_get_display (widget), new_cursor);
5991 gdk_window_set_cursor (bin_window, cursor);
5994 gdk_cursor_unref (cursor);
5998 ev_view_hide_cursor (EvView *view)
6000 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
6004 ev_view_show_cursor (EvView *view)
6006 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
6010 ev_view_next_page (EvView *view)
6014 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
6016 if (!view->document)
6019 page = ev_document_model_get_page (view->model);
6020 n_pages = ev_document_get_n_pages (view->document);
6022 if (view->dual_page)
6027 if (page < n_pages) {
6028 ev_document_model_set_page (view->model, page);
6030 } else if (view->dual_page && page == n_pages) {
6031 ev_document_model_set_page (view->model, page - 1);
6039 ev_view_previous_page (EvView *view)
6043 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
6045 if (!view->document)
6048 page = ev_document_model_get_page (view->model);
6050 if (view->dual_page)
6056 ev_document_model_set_page (view->model, page);
6058 } else if (view->dual_page && page == -1) {
6059 ev_document_model_set_page (view->model, 0);