1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
2 /* this file is part of evince, a gnome document viewer
4 * Copyright (C) 2004 Red Hat, Inc
6 * Evince is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Evince is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
27 #include <glib/gi18n-lib.h>
29 #include <gdk/gdkkeysyms.h>
31 #include "ev-mapping.h"
32 #include "ev-document-forms.h"
33 #include "ev-document-images.h"
34 #include "ev-document-links.h"
35 #include "ev-document-misc.h"
36 #include "ev-pixbuf-cache.h"
37 #include "ev-page-cache.h"
38 #include "ev-view-marshal.h"
39 #include "ev-document-annotations.h"
40 #include "ev-annotation-window.h"
41 #include "ev-loading-window.h"
43 #include "ev-view-accessible.h"
44 #include "ev-view-private.h"
45 #include "ev-view-type-builtins.h"
47 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
48 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
49 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
52 SIGNAL_BINDING_ACTIVATED,
56 SIGNAL_SELECTION_CHANGED,
67 static guint signals[N_SIGNALS];
72 } EvViewFindDirection;
74 #define ZOOM_IN_FACTOR 1.2
75 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
77 #define SCROLL_TIME 150
80 static void ev_view_set_scroll_adjustments (GtkLayout *layout,
81 GtkAdjustment *hadjustment,
82 GtkAdjustment *vadjustment);
83 static void view_update_range_and_current_page (EvView *view);
84 static void set_scroll_adjustment (EvView *view,
85 GtkOrientation orientation,
86 GtkAdjustment *adjustment);
87 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
89 GdkModifierType modifiers,
92 static void ensure_rectangle_is_visible (EvView *view,
95 /*** Geometry computations ***/
96 static void compute_border (EvView *view,
100 static void get_page_y_offset (EvView *view,
103 static void view_rect_to_doc_rect (EvView *view,
104 GdkRectangle *view_rect,
105 GdkRectangle *page_area,
106 EvRectangle *doc_rect);
107 static void doc_rect_to_view_rect (EvView *view,
109 EvRectangle *doc_rect,
110 GdkRectangle *view_rect);
111 static gboolean get_dual_even_left (EvView *view);
112 static void find_page_at_location (EvView *view,
118 static void doc_point_to_view_point (EvView *view,
121 GdkPoint *view_point);
123 static EvLink * ev_view_get_link_at_location (EvView *view,
126 static char* tip_from_link (EvView *view,
129 static EvFormField *ev_view_get_form_field_at_location (EvView *view,
133 /*** Annotations ***/
134 static EvAnnotation *ev_view_get_annotation_at_location (EvView *view,
137 static void show_annotation_windows (EvView *view,
139 static void hide_annotation_windows (EvView *view,
141 /*** GtkWidget implementation ***/
142 static void ev_view_size_request_continuous_dual_page (EvView *view,
143 GtkRequisition *requisition);
144 static void ev_view_size_request_continuous (EvView *view,
145 GtkRequisition *requisition);
146 static void ev_view_size_request_dual_page (EvView *view,
147 GtkRequisition *requisition);
148 static void ev_view_size_request_single_page (EvView *view,
149 GtkRequisition *requisition);
150 static void ev_view_size_request (GtkWidget *widget,
151 GtkRequisition *requisition);
152 static void ev_view_size_allocate (GtkWidget *widget,
153 GtkAllocation *allocation);
154 static void ev_view_realize (GtkWidget *widget);
155 static gboolean ev_view_scroll_event (GtkWidget *widget,
156 GdkEventScroll *event);
157 static gboolean ev_view_expose_event (GtkWidget *widget,
158 GdkEventExpose *event);
159 static gboolean ev_view_popup_menu (GtkWidget *widget);
160 static gboolean ev_view_button_press_event (GtkWidget *widget,
161 GdkEventButton *event);
162 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
163 GdkEventMotion *event);
164 static gboolean ev_view_button_release_event (GtkWidget *widget,
165 GdkEventButton *event);
166 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
167 GdkEventCrossing *event);
168 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
169 GdkEventCrossing *event);
170 static void ev_view_style_set (GtkWidget *widget,
171 GtkStyle *old_style);
172 static void ev_view_remove_all (EvView *view);
174 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
177 static void highlight_find_results (EvView *view,
179 static void highlight_forward_search_results (EvView *view,
181 static void draw_one_page (EvView *view,
184 GdkRectangle *page_area,
186 GdkRectangle *expose_area,
187 gboolean *page_ready);
188 static void show_loading_window (EvView *view);
189 static void hide_loading_window (EvView *view);
190 static void ev_view_reload_page (EvView *view,
193 static void ev_view_loading_window_move (EvView *view);
196 static void ev_view_change_page (EvView *view,
198 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
201 static void ev_view_page_changed_cb (EvDocumentModel *model,
205 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
209 static void ev_view_finalize (GObject *object);
210 static void ev_view_destroy (GtkObject *object);
211 static void ev_view_class_init (EvViewClass *class);
212 static void ev_view_init (EvView *view);
214 /*** Zoom and sizing ***/
215 static double zoom_for_size_fit_width (gdouble doc_width,
219 static double zoom_for_size_fit_height (gdouble doc_width,
223 static double zoom_for_size_best_fit (gdouble doc_width,
227 static void ev_view_zoom_for_size (EvView *view,
230 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
233 static void ev_view_zoom_for_size_continuous (EvView *view,
236 static void ev_view_zoom_for_size_dual_page (EvView *view,
239 static void ev_view_zoom_for_size_single_page (EvView *view,
243 static void ev_view_set_cursor (EvView *view,
244 EvViewCursor new_cursor);
245 static void ev_view_handle_cursor_over_xy (EvView *view,
250 static gint ev_view_find_get_n_results (EvView *view,
252 static EvRectangle *ev_view_find_get_result (EvView *view,
255 static void jump_to_find_result (EvView *view);
256 static void jump_to_find_page (EvView *view,
257 EvViewFindDirection direction,
260 static void compute_selections (EvView *view,
261 EvSelectionStyle style,
264 static void clear_selection (EvView *view);
265 static void clear_link_selected (EvView *view);
266 static void selection_free (EvViewSelection *selection);
267 static char* get_selected_text (EvView *ev_view);
268 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
269 GtkSelectionData *selection_data,
272 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
274 static void ev_view_update_primary_selection (EvView *ev_view);
276 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_LAYOUT)
278 /* HeightToPage cache */
279 #define EV_HEIGHT_TO_PAGE_CACHE_KEY "ev-height-to-page-cache"
282 build_height_to_page (EvHeightToPageCache *cache,
283 EvDocument *document,
286 gboolean swap, uniform, dual_even_left;
288 double uniform_height, page_height, next_page_height;
290 gdouble u_width, u_height;
293 swap = (rotation == 90 || rotation == 270);
295 uniform = ev_document_is_page_size_uniform (document);
296 n_pages = ev_document_get_n_pages (document);
297 dual_even_left = (n_pages > 2);
299 g_free (cache->height_to_page);
300 g_free (cache->dual_height_to_page);
302 cache->rotation = rotation;
303 cache->height_to_page = g_new0 (gdouble, n_pages + 1);
304 cache->dual_height_to_page = g_new0 (gdouble, n_pages + 2);
307 ev_document_get_page_size (document, 0, &u_width, &u_height);
310 for (i = 0; i <= n_pages; i++) {
312 uniform_height = swap ? u_width : u_height;
313 cache->height_to_page[i] = i * uniform_height;
318 ev_document_get_page_size (document, i, &w, &h);
319 page_height = swap ? w : h;
323 cache->height_to_page[i] = saved_height;
324 saved_height += page_height;
328 if (dual_even_left && !uniform) {
331 ev_document_get_page_size (document, 0, &w, &h);
332 saved_height = swap ? w : h;
337 for (i = dual_even_left; i < n_pages + 2; i += 2) {
339 uniform_height = swap ? u_width : u_height;
340 cache->dual_height_to_page[i] = ((i + dual_even_left) / 2) * uniform_height;
341 if (i + 1 < n_pages + 2)
342 cache->dual_height_to_page[i + 1] = ((i + dual_even_left) / 2) * uniform_height;
344 if (i + 1 < n_pages) {
347 ev_document_get_page_size (document, i + 1, &w, &h);
348 next_page_height = swap ? w : h;
350 next_page_height = 0;
356 ev_document_get_page_size (document, i, &w, &h);
357 page_height = swap ? w : h;
362 if (i + 1 < n_pages + 2) {
363 cache->dual_height_to_page[i] = saved_height;
364 cache->dual_height_to_page[i + 1] = saved_height;
365 saved_height += MAX(page_height, next_page_height);
367 cache->dual_height_to_page[i] = saved_height;
374 ev_height_to_page_cache_get_height (EvHeightToPageCache *cache,
375 EvDocument *document,
379 gdouble *dual_height)
381 if (cache->rotation != rotation)
382 build_height_to_page (cache, document, rotation);
384 *height = cache->height_to_page[page];
385 *dual_height = cache->dual_height_to_page[page];
389 ev_height_to_page_cache_free (EvHeightToPageCache *cache)
391 if (cache->height_to_page) {
392 g_free (cache->height_to_page);
393 cache->height_to_page = NULL;
396 if (cache->dual_height_to_page) {
397 g_free (cache->dual_height_to_page);
398 cache->dual_height_to_page = NULL;
403 static EvHeightToPageCache *
404 ev_view_get_height_to_page_cache (EvView *view)
406 EvHeightToPageCache *cache;
411 cache = g_object_get_data (G_OBJECT (view->document), EV_HEIGHT_TO_PAGE_CACHE_KEY);
413 cache = g_new0 (EvHeightToPageCache, 1);
414 build_height_to_page (cache, view->document, view->rotation);
415 g_object_set_data_full (G_OBJECT (view->document),
416 EV_HEIGHT_TO_PAGE_CACHE_KEY,
418 (GDestroyNotify)ev_height_to_page_cache_free);
425 ev_view_get_height_to_page (EvView *view,
432 if (!view->height_to_page_cache)
435 ev_height_to_page_cache_get_height (view->height_to_page_cache,
441 *height = (gint)(h * view->scale + 0.5);
444 *dual_height = (gint)(dh * view->scale + 0.5);
448 ev_view_get_scrollbar_size (EvView *view,
449 GtkOrientation orientation)
451 GtkWidget *widget = GTK_WIDGET (view);
453 GtkWidget *swindow = gtk_widget_get_parent (GTK_WIDGET (view));
454 GtkAllocation allocation;
458 if (!GTK_IS_SCROLLED_WINDOW (swindow))
461 gtk_widget_get_allocation (widget, &allocation);
463 if (orientation == GTK_ORIENTATION_VERTICAL) {
464 if (allocation.height >= view->requisition.height)
465 sb = gtk_scrolled_window_get_vscrollbar (GTK_SCROLLED_WINDOW (swindow));
469 if (allocation.width >= view->requisition.width)
470 sb = gtk_scrolled_window_get_hscrollbar (GTK_SCROLLED_WINDOW (swindow));
475 gtk_widget_style_get (swindow, "scrollbar_spacing", &spacing, NULL);
476 gtk_widget_size_request (sb, &req);
478 return (orientation == GTK_ORIENTATION_VERTICAL ? req.width : req.height) + spacing;
482 scroll_to_point (EvView *view,
485 GtkOrientation orientation)
488 gdouble upper, lower;
490 if (orientation == GTK_ORIENTATION_VERTICAL) {
491 page_size = gtk_adjustment_get_page_size (view->vadjustment);
492 upper = gtk_adjustment_get_upper (view->vadjustment);
493 lower = gtk_adjustment_get_lower (view->vadjustment);
495 if (view->continuous) {
496 gtk_adjustment_clamp_page (view->vadjustment,
497 y - view->spacing / 2,
500 gtk_adjustment_set_value (view->vadjustment,
501 CLAMP (y, lower, upper - page_size));
504 page_size = gtk_adjustment_get_page_size (view->hadjustment);
505 upper = gtk_adjustment_get_upper (view->hadjustment);
506 lower = gtk_adjustment_get_lower (view->hadjustment);
508 if (view->dual_page) {
509 gtk_adjustment_clamp_page (view->hadjustment, x,
512 gtk_adjustment_set_value (view->hadjustment,
513 CLAMP (x, lower, upper - page_size));
519 ev_view_scroll_to_page_position (EvView *view, GtkOrientation orientation)
526 if ((orientation == GTK_ORIENTATION_VERTICAL && view->pending_point.y == 0) ||
527 (orientation == GTK_ORIENTATION_HORIZONTAL && view->pending_point.x == 0)) {
528 GdkRectangle page_area;
531 ev_view_get_page_extents (view, view->current_page, &page_area, &border);
537 doc_point_to_view_point (view, view->current_page,
538 &view->pending_point, &view_point);
543 scroll_to_point (view, x, y, orientation);
547 view_set_adjustment_values (EvView *view,
548 GtkOrientation orientation)
550 GtkWidget *widget = GTK_WIDGET (view);
551 GtkAdjustment *adjustment;
552 GtkAllocation allocation;
561 gtk_widget_get_allocation (widget, &allocation);
563 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
564 req_size = view->requisition.width;
565 alloc_size = allocation.width;
566 adjustment = view->hadjustment;
568 req_size = view->requisition.height;
569 alloc_size = allocation.height;
570 adjustment = view->vadjustment;
577 value = gtk_adjustment_get_value (adjustment);
578 upper = gtk_adjustment_get_upper (adjustment);
579 page_size = gtk_adjustment_get_page_size (adjustment);
581 switch (view->pending_scroll) {
582 case SCROLL_TO_KEEP_POSITION:
583 case SCROLL_TO_FIND_LOCATION:
584 factor = value / upper;
586 case SCROLL_TO_PAGE_POSITION:
588 case SCROLL_TO_CENTER:
589 factor = (value + page_size * 0.5) / upper;
593 upper = MAX (alloc_size, req_size);
594 page_size = alloc_size;
596 gtk_adjustment_set_page_size (adjustment, page_size);
597 gtk_adjustment_set_step_increment (adjustment, alloc_size * 0.1);
598 gtk_adjustment_set_page_increment (adjustment, alloc_size * 0.9);
599 gtk_adjustment_set_lower (adjustment, 0);
600 gtk_adjustment_set_upper (adjustment, upper);
603 * We add 0.5 to the values before to average out our rounding errors.
605 switch (view->pending_scroll) {
606 case SCROLL_TO_KEEP_POSITION:
607 case SCROLL_TO_FIND_LOCATION:
608 new_value = CLAMP (upper * factor + 0.5, 0, upper - page_size);
609 gtk_adjustment_set_value (adjustment, (int)new_value);
611 case SCROLL_TO_PAGE_POSITION:
612 ev_view_scroll_to_page_position (view, orientation);
614 case SCROLL_TO_CENTER:
615 new_value = CLAMP (upper * factor - page_size * 0.5 + 0.5,
616 0, upper - page_size);
617 gtk_adjustment_set_value (adjustment, (int)new_value);
621 gtk_adjustment_changed (adjustment);
625 view_update_range_and_current_page (EvView *view)
627 gint start = view->start_page;
628 gint end = view->end_page;
630 if (ev_document_get_n_pages (view->document) <= 0 ||
631 !ev_document_check_dimensions (view->document))
634 if (view->continuous) {
635 GdkRectangle current_area, unused, page_area;
637 gboolean found = FALSE;
638 gint area_max = -1, area;
639 gint best_current_page = -1;
642 if (!(view->vadjustment && view->hadjustment))
645 current_area.x = gtk_adjustment_get_value (view->hadjustment);
646 current_area.width = gtk_adjustment_get_page_size (view->hadjustment);
647 current_area.y = gtk_adjustment_get_value (view->vadjustment);
648 current_area.height = gtk_adjustment_get_page_size (view->vadjustment);
650 for (i = 0; i < ev_document_get_n_pages (view->document); i++) {
652 ev_view_get_page_extents (view, i, &page_area, &border);
654 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
655 area = unused.width * unused.height;
659 view->start_page = i;
661 best_current_page = i;
663 if (area > area_max) {
664 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
670 } else if (found && view->current_page <= view->end_page) {
671 if (view->dual_page && j < 1) {
672 /* In dual mode we stop searching
673 * after two consecutive non-visible pages.
682 if (view->pending_scroll == SCROLL_TO_KEEP_POSITION) {
683 best_current_page = MAX (best_current_page, view->start_page);
685 if (view->current_page != best_current_page) {
686 view->current_page = best_current_page;
687 hide_loading_window (view);
688 ev_document_model_set_page (view->model, best_current_page);
691 } else if (view->dual_page) {
692 if (view->current_page % 2 == get_dual_even_left (view)) {
693 view->start_page = view->current_page;
694 if (view->current_page + 1 < ev_document_get_n_pages (view->document))
695 view->end_page = view->start_page + 1;
697 view->end_page = view->start_page;
699 if (view->current_page < 1)
700 view->start_page = view->current_page;
702 view->start_page = view->current_page - 1;
703 view->end_page = view->current_page;
706 view->start_page = view->current_page;
707 view->end_page = view->current_page;
710 if (view->start_page == -1 || view->end_page == -1)
713 if (start != view->start_page || end != view->end_page) {
716 for (i = start; i < view->start_page && start != -1; i++) {
717 hide_annotation_windows (view, i);
720 for (i = end; i > view->end_page && end != -1; i--) {
721 hide_annotation_windows (view, i);
725 ev_page_cache_set_page_range (view->page_cache,
728 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
731 view->selection_info.selections);
733 if (ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page))
734 gtk_widget_queue_draw (GTK_WIDGET (view));
738 set_scroll_adjustment (EvView *view,
739 GtkOrientation orientation,
740 GtkAdjustment *adjustment)
742 GtkAdjustment **to_set;
744 if (orientation == GTK_ORIENTATION_HORIZONTAL)
745 to_set = &view->hadjustment;
747 to_set = &view->vadjustment;
749 if (*to_set != adjustment) {
751 g_signal_handlers_disconnect_by_func (*to_set,
752 (gpointer) on_adjustment_value_changed,
754 g_object_unref (*to_set);
757 *to_set = adjustment;
758 view_set_adjustment_values (view, orientation);
761 g_object_ref (*to_set);
762 g_signal_connect (*to_set, "value_changed",
763 G_CALLBACK (on_adjustment_value_changed), view);
769 ev_view_set_scroll_adjustments (GtkLayout *layout,
770 GtkAdjustment *hadjustment,
771 GtkAdjustment *vadjustment)
773 EvView *view = EV_VIEW (layout);
775 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
776 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
778 on_adjustment_value_changed (NULL, view);
782 add_scroll_binding_keypad (GtkBindingSet *binding_set,
784 GdkModifierType modifiers,
785 GtkScrollType scroll,
788 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
790 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
791 "binding_activated", 2,
792 GTK_TYPE_SCROLL_TYPE, scroll,
793 G_TYPE_BOOLEAN, horizontal);
794 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
795 "binding_activated", 2,
796 GTK_TYPE_SCROLL_TYPE, scroll,
797 G_TYPE_BOOLEAN, horizontal);
801 compute_scroll_increment (EvView *view,
802 GtkScrollType scroll)
804 GtkWidget *widget = GTK_WIDGET (view);
805 GtkAdjustment *adjustment = view->vadjustment;
806 GdkRegion *text_region, *region;
807 GtkAllocation allocation;
810 EvRectangle doc_rect;
811 GdkRectangle page_area;
815 gdouble fraction = 1.0;
817 if (scroll != GTK_SCROLL_PAGE_BACKWARD && scroll != GTK_SCROLL_PAGE_FORWARD)
818 return gtk_adjustment_get_page_size (adjustment);
820 page = scroll == GTK_SCROLL_PAGE_BACKWARD ? view->start_page : view->end_page;
822 text_region = ev_page_cache_get_text_mapping (view->page_cache, page);
823 if (!text_region || gdk_region_empty (text_region))
824 return gtk_adjustment_get_page_size (adjustment);
826 gtk_widget_get_allocation (widget, &allocation);
827 ev_view_get_page_extents (view, page, &page_area, &border);
828 rect.x = page_area.x + view->scroll_x;
829 rect.y = view->scroll_y + (scroll == GTK_SCROLL_PAGE_BACKWARD ? 5 : allocation.height - 5);
830 rect.width = page_area.width;
832 view_rect_to_doc_rect (view, &rect, &page_area, &doc_rect);
834 /* Convert the doc rectangle into a GdkRectangle */
835 rect.x = doc_rect.x1;
836 rect.y = doc_rect.y1;
837 rect.width = doc_rect.x2 - doc_rect.x1;
838 rect.height = MAX (1, doc_rect.y2 - doc_rect.y1);
839 region = gdk_region_rectangle (&rect);
841 gdk_region_intersect (region, text_region);
842 gdk_region_get_rectangles (region, &recs, &n_recs);
843 gdk_region_destroy (region);
848 ev_page = ev_document_get_page (view->document, page);
849 rc = ev_render_context_new (ev_page, view->rotation, view->scale);
850 g_object_unref (ev_page);
851 /* Get the selection region to know the height of the line */
852 doc_rect.x1 = doc_rect.x2 = recs[0].x + 0.5;
853 doc_rect.y1 = doc_rect.y2 = recs[0].y + 0.5;
855 ev_document_doc_mutex_lock ();
856 region = ev_selection_get_selection_region (EV_SELECTION (view->document),
857 rc, EV_SELECTION_STYLE_LINE,
859 ev_document_doc_mutex_unlock ();
863 gdk_region_get_rectangles (region, &recs, &n_recs);
864 gdk_region_destroy (region);
866 fraction = 1 - (recs[0].height / gtk_adjustment_get_page_size (adjustment));
871 return gtk_adjustment_get_page_size (adjustment) * fraction;
876 ev_view_scroll (EvView *view,
877 GtkScrollType scroll,
880 GtkAdjustment *adjustment;
881 double value, increment;
882 gdouble upper, lower;
884 gdouble step_increment;
885 gboolean first_page = FALSE;
886 gboolean last_page = FALSE;
888 view->jump_to_find_result = FALSE;
890 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
892 case GTK_SCROLL_PAGE_BACKWARD:
893 case GTK_SCROLL_STEP_BACKWARD:
894 ev_view_previous_page (view);
896 case GTK_SCROLL_PAGE_FORWARD:
897 case GTK_SCROLL_STEP_FORWARD:
898 ev_view_next_page (view);
906 /* Assign values for increment and vertical adjustment */
907 adjustment = horizontal ? view->hadjustment : view->vadjustment;
908 value = gtk_adjustment_get_value (adjustment);
909 upper = gtk_adjustment_get_upper (adjustment);
910 lower = gtk_adjustment_get_lower (adjustment);
911 page_size = gtk_adjustment_get_page_size (adjustment);
912 step_increment = gtk_adjustment_get_step_increment (adjustment);
914 /* Assign boolean for first and last page */
915 if (view->current_page == 0)
917 if (view->current_page == ev_document_get_n_pages (view->document) - 1)
921 case GTK_SCROLL_PAGE_BACKWARD:
922 /* Do not jump backwards if at the first page */
923 if (value == lower && first_page) {
925 /* At the top of a page, assign the upper bound limit of previous page */
926 } else if (value == lower) {
927 value = upper - page_size;
928 ev_view_previous_page (view);
929 /* Jump to the top */
931 increment = compute_scroll_increment (view, GTK_SCROLL_PAGE_BACKWARD);
932 value = MAX (value - increment, lower);
935 case GTK_SCROLL_PAGE_FORWARD:
936 /* Do not jump forward if at the last page */
937 if (value == (upper - page_size) && last_page) {
939 /* At the bottom of a page, assign the lower bound limit of next page */
940 } else if (value == (upper - page_size)) {
942 ev_view_next_page (view);
943 /* Jump to the bottom */
945 increment = compute_scroll_increment (view, GTK_SCROLL_PAGE_FORWARD);
946 value = MIN (value + increment, upper - page_size);
949 case GTK_SCROLL_STEP_BACKWARD:
950 value -= step_increment;
952 case GTK_SCROLL_STEP_FORWARD:
953 value += step_increment;
955 case GTK_SCROLL_STEP_DOWN:
956 value -= step_increment / 10;
958 case GTK_SCROLL_STEP_UP:
959 value += step_increment / 10;
965 value = CLAMP (value, lower, upper - page_size);
967 gtk_adjustment_set_value (adjustment, value);
973 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
975 GtkWidget *widget = GTK_WIDGET (view);
976 GtkAdjustment *adjustment;
977 GtkAllocation allocation;
981 view->pending_scroll = SCROLL_TO_FIND_LOCATION;
983 gtk_widget_get_allocation (widget, &allocation);
985 adjustment = view->vadjustment;
986 adj_value = gtk_adjustment_get_value (adjustment);
988 if (rect->y < adj_value) {
989 value = MAX (gtk_adjustment_get_lower (adjustment), rect->y - MARGIN);
990 gtk_adjustment_set_value (view->vadjustment, value);
991 } else if (rect->y + rect->height > adj_value + allocation.height) {
992 value = MIN (gtk_adjustment_get_upper (adjustment), rect->y + rect->height -
993 allocation.height + MARGIN);
994 gtk_adjustment_set_value (view->vadjustment, value);
997 adjustment = view->hadjustment;
998 adj_value = gtk_adjustment_get_value (adjustment);
1000 if (rect->x < adj_value) {
1001 value = MAX (gtk_adjustment_get_lower (adjustment), rect->x - MARGIN);
1002 gtk_adjustment_set_value (view->hadjustment, value);
1003 } else if (rect->x + rect->height > adj_value + allocation.width) {
1004 value = MIN (gtk_adjustment_get_upper (adjustment), rect->x + rect->width -
1005 allocation.width + MARGIN);
1006 gtk_adjustment_set_value (view->hadjustment, value);
1009 gtk_widget_queue_resize (GTK_WIDGET (view));
1012 /*** Geometry computations ***/
1015 compute_border (EvView *view, int width, int height, GtkBorder *border)
1017 ev_document_misc_get_page_border_size (width, height, border);
1021 _get_page_size_for_scale_and_rotation (EvDocument *document,
1031 ev_document_get_page_size (document, page, &w, &h);
1033 width = (gint)(w * scale + 0.5);
1034 height = (gint)(h * scale + 0.5);
1037 *page_width = (rotation == 0 || rotation == 180) ? width : height;
1039 *page_height = (rotation == 0 || rotation == 180) ? height : width;
1043 ev_view_get_page_size (EvView *view,
1048 _get_page_size_for_scale_and_rotation (view->document,
1057 ev_view_get_max_page_size (EvView *view,
1064 ev_document_get_max_page_size (view->document, &w, &h);
1066 width = (gint)(w * view->scale + 0.5);
1067 height = (gint)(h * view->scale + 0.5);
1070 *max_width = (view->rotation == 0 || view->rotation == 180) ? width : height;
1072 *max_height = (view->rotation == 0 || view->rotation == 180) ? height : width;
1076 get_page_y_offset (EvView *view, int page, int *y_offset)
1078 int max_width, offset;
1081 g_return_if_fail (y_offset != NULL);
1083 ev_view_get_max_page_size (view, &max_width, NULL);
1084 compute_border (view, max_width, max_width, &border);
1086 if (view->dual_page) {
1087 ev_view_get_height_to_page (view, page, NULL, &offset);
1088 offset += ((page + get_dual_even_left (view)) / 2 + 1) * view->spacing +
1089 ((page + get_dual_even_left (view)) / 2 ) * (border.top + border.bottom);
1091 ev_view_get_height_to_page (view, page, &offset, NULL);
1092 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
1100 ev_view_get_page_extents (EvView *view,
1102 GdkRectangle *page_area,
1107 GtkAllocation allocation;
1109 widget = GTK_WIDGET (view);
1110 gtk_widget_get_allocation (widget, &allocation);
1112 /* Get the size of the page */
1113 ev_view_get_page_size (view, page, &width, &height);
1114 compute_border (view, width, height, border);
1115 page_area->width = width + border->left + border->right;
1116 page_area->height = height + border->top + border->bottom;
1118 if (view->continuous) {
1122 ev_view_get_max_page_size (view, &max_width, NULL);
1123 max_width = max_width + border->left + border->right;
1124 /* Get the location of the bounding box */
1125 if (view->dual_page) {
1126 x = view->spacing + ((page % 2 == get_dual_even_left (view)) ? 0 : 1) * (max_width + view->spacing);
1127 x = x + MAX (0, allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
1128 if (page % 2 == get_dual_even_left (view))
1129 x = x + (max_width - width - border->left - border->right);
1132 x = x + MAX (0, allocation.width - (width + view->spacing * 2)) / 2;
1135 get_page_y_offset (view, page, &y);
1141 if (view->dual_page) {
1142 gint width_2, height_2;
1143 gint max_width = width;
1144 gint max_height = height;
1145 GtkBorder overall_border;
1148 other_page = (page % 2 == get_dual_even_left (view)) ? page + 1: page - 1;
1150 /* First, we get the bounding box of the two pages */
1151 if (other_page < ev_document_get_n_pages (view->document)
1152 && (0 <= other_page)) {
1153 ev_view_get_page_size (view, other_page,
1154 &width_2, &height_2);
1155 if (width_2 > width)
1156 max_width = width_2;
1157 if (height_2 > height)
1158 max_height = height_2;
1160 compute_border (view, max_width, max_height, &overall_border);
1162 /* Find the offsets */
1166 /* Adjust for being the left or right page */
1167 if (page % 2 == get_dual_even_left (view))
1168 x = x + max_width - width;
1170 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
1172 y = y + (max_height - height)/2;
1174 /* Adjust for extra allocation */
1175 x = x + MAX (0, allocation.width -
1176 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
1177 y = y + MAX (0, allocation.height - (height + view->spacing * 2))/2;
1182 /* Adjust for extra allocation */
1183 x = x + MAX (0, allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
1184 y = y + MAX (0, allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
1195 get_doc_page_size (EvView *view,
1202 ev_document_get_page_size (view->document, page, &w, &h);
1203 if (view->rotation == 0 || view->rotation == 180) {
1204 if (width) *width = w;
1205 if (height) *height = h;
1207 if (width) *width = h;
1208 if (height) *height = w;
1213 view_point_to_doc_point (EvView *view,
1214 GdkPoint *view_point,
1215 GdkRectangle *page_area,
1216 double *doc_point_x,
1217 double *doc_point_y)
1219 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
1220 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
1224 view_rect_to_doc_rect (EvView *view,
1225 GdkRectangle *view_rect,
1226 GdkRectangle *page_area,
1227 EvRectangle *doc_rect)
1229 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
1230 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
1231 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
1232 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
1236 doc_point_to_view_point (EvView *view,
1239 GdkPoint *view_point)
1241 GdkRectangle page_area;
1243 double x, y, view_x, view_y;
1244 gdouble width, height;
1246 get_doc_page_size (view, page, &width, &height);
1248 if (view->rotation == 0) {
1251 } else if (view->rotation == 90) {
1252 x = width - doc_point->y;
1254 } else if (view->rotation == 180) {
1255 x = width - doc_point->x;
1256 y = height - doc_point->y;
1257 } else if (view->rotation == 270) {
1259 y = height - doc_point->x;
1261 g_assert_not_reached ();
1264 ev_view_get_page_extents (view, page, &page_area, &border);
1266 view_x = CLAMP (x * view->scale, 0, page_area.width);
1267 view_y = CLAMP (y * view->scale, 0, page_area.height);
1268 view_point->x = view_x + page_area.x;
1269 view_point->y = view_y + page_area.y;
1273 doc_rect_to_view_rect (EvView *view,
1275 EvRectangle *doc_rect,
1276 GdkRectangle *view_rect)
1278 GdkRectangle page_area;
1281 gdouble width, height;
1283 get_doc_page_size (view, page, &width, &height);
1285 if (view->rotation == 0) {
1288 w = doc_rect->x2 - doc_rect->x1;
1289 h = doc_rect->y2 - doc_rect->y1;
1290 } else if (view->rotation == 90) {
1291 x = width - doc_rect->y2;
1293 w = doc_rect->y2 - doc_rect->y1;
1294 h = doc_rect->x2 - doc_rect->x1;
1295 } else if (view->rotation == 180) {
1296 x = width - doc_rect->x2;
1297 y = height - doc_rect->y2;
1298 w = doc_rect->x2 - doc_rect->x1;
1299 h = doc_rect->y2 - doc_rect->y1;
1300 } else if (view->rotation == 270) {
1302 y = height - doc_rect->x2;
1303 w = doc_rect->y2 - doc_rect->y1;
1304 h = doc_rect->x2 - doc_rect->x1;
1306 g_assert_not_reached ();
1309 ev_view_get_page_extents (view, page, &page_area, &border);
1311 view_rect->x = x * view->scale + page_area.x;
1312 view_rect->y = y * view->scale + page_area.y;
1313 view_rect->width = w * view->scale;
1314 view_rect->height = h * view->scale;
1318 get_dual_even_left (EvView *view)
1320 return (ev_document_get_n_pages (view->document) > 2);
1324 find_page_at_location (EvView *view,
1333 if (view->document == NULL)
1337 g_assert (x_offset);
1338 g_assert (y_offset);
1340 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
1341 GdkRectangle page_area;
1344 if (! ev_view_get_page_extents (view, i, &page_area, &border))
1347 if ((x >= page_area.x + border.left) &&
1348 (x < page_area.x + page_area.width - border.right) &&
1349 (y >= page_area.y + border.top) &&
1350 (y < page_area.y + page_area.height - border.bottom)) {
1352 *x_offset = x - (page_area.x + border.left);
1353 *y_offset = y - (page_area.y + border.top);
1362 location_in_text (EvView *view,
1368 gint x_offset = 0, y_offset = 0;
1370 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1375 region = ev_page_cache_get_text_mapping (view->page_cache, page);
1378 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1384 location_in_selected_text (EvView *view,
1389 gint x_offset = 0, y_offset = 0;
1390 EvViewSelection *selection;
1393 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1394 selection = (EvViewSelection *)l->data;
1396 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1398 if (page != selection->page)
1401 if (selection->covered_region &&
1402 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1410 get_doc_point_from_offset (EvView *view,
1417 gdouble width, height;
1420 get_doc_page_size (view, page, &width, &height);
1422 x_offset = x_offset / view->scale;
1423 y_offset = y_offset / view->scale;
1425 if (view->rotation == 0) {
1428 } else if (view->rotation == 90) {
1430 y = width - x_offset;
1431 } else if (view->rotation == 180) {
1432 x = width - x_offset;
1433 y = height - y_offset;
1434 } else if (view->rotation == 270) {
1435 x = height - y_offset;
1438 g_assert_not_reached ();
1448 get_doc_point_from_location (EvView *view,
1455 gint x_offset = 0, y_offset = 0;
1457 x += view->scroll_x;
1458 y += view->scroll_y;
1459 find_page_at_location (view, x, y, page, &x_offset, &y_offset);
1463 return get_doc_point_from_offset (view, *page, x_offset, y_offset, x_new, y_new);
1467 ev_view_get_area_from_mapping (EvView *view,
1469 GList *mapping_list,
1475 mapping = ev_mapping_list_find (mapping_list, data);
1476 doc_rect_to_view_rect (view, page, &mapping->area, area);
1477 area->x -= view->scroll_x;
1478 area->y -= view->scroll_y;
1484 ev_view_get_link_at_location (EvView *view,
1489 gint x_new = 0, y_new = 0;
1490 GList *link_mapping;
1492 if (!EV_IS_DOCUMENT_LINKS (view->document))
1495 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1498 link_mapping = ev_page_cache_get_link_mapping (view->page_cache, page);
1501 return ev_mapping_list_get_data (link_mapping, x_new, y_new);
1507 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1510 gdouble zoom, left, top;
1511 gboolean change_left, change_top;
1512 GtkAllocation allocation;
1514 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1516 left = ev_link_dest_get_left (dest, &change_left);
1517 top = ev_link_dest_get_top (dest, &change_top);
1519 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - left,
1520 ev_link_dest_get_bottom (dest) - top,
1524 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1525 ev_document_model_set_scale (view->model, zoom);
1527 doc_point.x = change_left ? left : 0;
1528 doc_point.y = change_top ? top : 0;
1529 view->pending_point = doc_point;
1531 ev_view_change_page (view, ev_link_dest_get_page (dest));
1535 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1538 gdouble doc_width, doc_height;
1541 gboolean change_left;
1542 GtkAllocation allocation;
1544 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1546 page = ev_link_dest_get_page (dest);
1547 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1549 left = ev_link_dest_get_left (dest, &change_left);
1550 doc_point.x = change_left ? left : 0;
1553 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1557 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1558 ev_document_model_set_scale (view->model, zoom);
1560 view->pending_point = doc_point;
1562 ev_view_change_page (view, page);
1566 goto_fith_dest (EvView *view, EvLinkDest *dest)
1569 gdouble doc_width, doc_height;
1572 gboolean change_top;
1573 GtkAllocation allocation;
1575 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1577 page = ev_link_dest_get_page (dest);
1578 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1580 top = ev_link_dest_get_top (dest, &change_top);
1583 doc_point.y = change_top ? top : 0;
1585 zoom = zoom_for_size_fit_width (doc_width, top,
1589 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FIT_WIDTH);
1590 ev_document_model_set_scale (view->model, zoom);
1592 view->pending_point = doc_point;
1594 ev_view_change_page (view, page);
1598 goto_fit_dest (EvView *view, EvLinkDest *dest)
1601 gdouble doc_width, doc_height;
1603 GtkAllocation allocation;
1605 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1607 page = ev_link_dest_get_page (dest);
1608 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1610 zoom = zoom_for_size_best_fit (doc_width, doc_height,
1614 ev_document_model_set_sizing_mode (view->model, EV_SIZING_BEST_FIT);
1615 ev_document_model_set_scale (view->model, zoom);
1617 ev_view_change_page (view, page);
1621 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1625 gdouble zoom, left, top;
1626 gboolean change_zoom, change_left, change_top;
1628 zoom = ev_link_dest_get_zoom (dest, &change_zoom);
1629 page = ev_link_dest_get_page (dest);
1631 if (change_zoom && zoom > 1) {
1632 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1633 ev_document_model_set_scale (view->model, zoom);
1636 left = ev_link_dest_get_left (dest, &change_left);
1637 top = ev_link_dest_get_top (dest, &change_top);
1639 doc_point.x = change_left ? left : 0;
1640 doc_point.y = change_top ? top : 0;
1641 view->pending_point = doc_point;
1643 ev_view_change_page (view, page);
1647 goto_dest (EvView *view, EvLinkDest *dest)
1649 EvLinkDestType type;
1650 int page, n_pages, current_page;
1652 page = ev_link_dest_get_page (dest);
1653 n_pages = ev_document_get_n_pages (view->document);
1655 if (page < 0 || page >= n_pages)
1658 current_page = view->current_page;
1660 type = ev_link_dest_get_dest_type (dest);
1663 case EV_LINK_DEST_TYPE_PAGE:
1664 ev_document_model_set_page (view->model, page);
1666 case EV_LINK_DEST_TYPE_FIT:
1667 goto_fit_dest (view, dest);
1669 case EV_LINK_DEST_TYPE_FITH:
1670 goto_fith_dest (view, dest);
1672 case EV_LINK_DEST_TYPE_FITV:
1673 goto_fitv_dest (view, dest);
1675 case EV_LINK_DEST_TYPE_FITR:
1676 goto_fitr_dest (view, dest);
1678 case EV_LINK_DEST_TYPE_XYZ:
1679 goto_xyz_dest (view, dest);
1681 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1682 ev_document_model_set_page_by_label (view->model, ev_link_dest_get_page_label (dest));
1685 g_assert_not_reached ();
1688 if (current_page != view->current_page)
1689 ev_document_model_set_page (view->model, view->current_page);
1693 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1695 EvLinkDestType type;
1697 type = ev_link_dest_get_dest_type (dest);
1699 if (type == EV_LINK_DEST_TYPE_NAMED) {
1701 const gchar *named_dest;
1703 named_dest = ev_link_dest_get_named_dest (dest);
1704 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1707 goto_dest (view, dest2);
1708 g_object_unref (dest2);
1714 goto_dest (view, dest);
1718 ev_view_handle_link (EvView *view, EvLink *link)
1720 EvLinkAction *action = NULL;
1721 EvLinkActionType type;
1723 action = ev_link_get_action (link);
1727 type = ev_link_action_get_action_type (action);
1730 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1733 g_signal_emit (view, signals[SIGNAL_HANDLE_LINK], 0, link);
1735 dest = ev_link_action_get_dest (action);
1736 ev_view_goto_dest (view, dest);
1739 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1740 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1741 case EV_LINK_ACTION_TYPE_LAUNCH:
1742 case EV_LINK_ACTION_TYPE_NAMED:
1743 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1749 tip_from_action_named (EvLinkAction *action)
1751 const gchar *name = ev_link_action_get_name (action);
1753 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1754 return g_strdup (_("Go to first page"));
1755 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1756 return g_strdup (_("Go to previous page"));
1757 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1758 return g_strdup (_("Go to next page"));
1759 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1760 return g_strdup (_("Go to last page"));
1761 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1762 return g_strdup (_("Go to page"));
1763 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1764 return g_strdup (_("Find"));
1771 tip_from_link (EvView *view, EvLink *link)
1773 EvLinkAction *action;
1774 EvLinkActionType type;
1779 action = ev_link_get_action (link);
1780 title = ev_link_get_title (link);
1783 return title ? g_strdup (title) : NULL;
1785 type = ev_link_action_get_action_type (action);
1788 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1789 page_label = ev_document_links_get_dest_page_label (EV_DOCUMENT_LINKS (view->document),
1790 ev_link_action_get_dest (action));
1792 msg = g_strdup_printf (_("Go to page %s"), page_label);
1793 g_free (page_label);
1796 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1798 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1799 ev_link_action_get_filename (action));
1801 msg = g_strdup_printf (_("Go to file “%s”"),
1802 ev_link_action_get_filename (action));
1805 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1806 msg = g_strdup (ev_link_action_get_uri (action));
1808 case EV_LINK_ACTION_TYPE_LAUNCH:
1809 msg = g_strdup_printf (_("Launch %s"),
1810 ev_link_action_get_filename (action));
1812 case EV_LINK_ACTION_TYPE_NAMED:
1813 msg = tip_from_action_named (action);
1817 msg = g_strdup (title);
1825 ev_view_handle_cursor_over_xy (EvView *view, gint x, gint y)
1829 EvAnnotation *annot = NULL;
1831 if (view->cursor == EV_VIEW_CURSOR_HIDDEN)
1834 if (view->drag_info.in_drag) {
1835 if (view->cursor != EV_VIEW_CURSOR_DRAG)
1836 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1840 if (view->scroll_info.autoscrolling) {
1841 if (view->cursor != EV_VIEW_CURSOR_AUTOSCROLL)
1842 ev_view_set_cursor (view, EV_VIEW_CURSOR_AUTOSCROLL);
1846 link = ev_view_get_link_at_location (view, x, y);
1848 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1849 } else if ((field = ev_view_get_form_field_at_location (view, x, y))) {
1850 if (field->is_read_only) {
1851 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1852 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1853 view->cursor == EV_VIEW_CURSOR_DRAG)
1854 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1855 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
1856 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1858 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1860 } else if ((annot = ev_view_get_annotation_at_location (view, x, y))) {
1861 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1862 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1863 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1865 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1866 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1867 view->cursor == EV_VIEW_CURSOR_DRAG ||
1868 view->cursor == EV_VIEW_CURSOR_AUTOSCROLL)
1869 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1873 g_object_set (view, "has-tooltip", TRUE, NULL);
1878 ev_view_get_image_at_location (EvView *view,
1883 gint x_new = 0, y_new = 0;
1884 GList *image_mapping;
1886 if (!EV_IS_DOCUMENT_IMAGES (view->document))
1889 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1892 image_mapping = ev_page_cache_get_image_mapping (view->page_cache, page);
1895 return ev_mapping_list_get_data (image_mapping, x_new, y_new);
1901 static EvFormField *
1902 ev_view_get_form_field_at_location (EvView *view,
1907 gint x_new = 0, y_new = 0;
1908 GList *forms_mapping;
1910 if (!EV_IS_DOCUMENT_FORMS (view->document))
1913 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1916 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache, page);
1919 return ev_mapping_list_get_data (forms_mapping, x_new, y_new);
1925 ev_view_form_field_get_region (EvView *view,
1928 GdkRectangle view_area;
1929 GList *forms_mapping;
1931 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
1932 field->page->index);
1933 ev_view_get_area_from_mapping (view, field->page->index,
1937 return gdk_region_rectangle (&view_area);
1941 ev_view_forms_remove_widgets (EvView *view)
1943 ev_view_remove_all (view);
1949 ev_view_form_field_destroy (GtkWidget *widget,
1952 g_idle_add ((GSourceFunc)ev_view_forms_remove_widgets, view);
1956 ev_view_form_field_button_create_widget (EvView *view,
1959 EvFormFieldButton *field_button = EV_FORM_FIELD_BUTTON (field);
1960 GdkRegion *field_region = NULL;
1962 switch (field_button->type) {
1963 case EV_FORM_FIELD_BUTTON_PUSH:
1965 case EV_FORM_FIELD_BUTTON_CHECK:
1966 case EV_FORM_FIELD_BUTTON_RADIO: {
1968 GList *forms_mapping, *l;
1970 state = ev_document_forms_form_field_button_get_state (EV_DOCUMENT_FORMS (view->document),
1973 /* FIXME: it actually depends on NoToggleToOff flags */
1974 if (field_button->type == EV_FORM_FIELD_BUTTON_RADIO &&
1975 state && field_button->state)
1978 field_region = ev_view_form_field_get_region (view, field);
1980 /* For radio buttons and checkbox buttons that are in a set
1981 * we need to update also the region for the current selected item
1983 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
1984 field->page->index);
1985 for (l = forms_mapping; l; l = g_list_next (l)) {
1986 EvFormField *button = ((EvMapping *)(l->data))->data;
1987 GdkRegion *button_region;
1989 if (button->id == field->id)
1992 /* FIXME: only buttons in the same group should be updated */
1993 if (!EV_IS_FORM_FIELD_BUTTON (button) ||
1994 EV_FORM_FIELD_BUTTON (button)->type != field_button->type ||
1995 EV_FORM_FIELD_BUTTON (button)->state != TRUE)
1998 button_region = ev_view_form_field_get_region (view, button);
1999 gdk_region_union (field_region, button_region);
2000 gdk_region_destroy (button_region);
2003 ev_document_forms_form_field_button_set_state (EV_DOCUMENT_FORMS (view->document),
2005 field_button->state = !state;
2010 ev_view_reload_page (view, field->page->index, field_region);
2011 gdk_region_destroy (field_region);
2017 ev_view_form_field_text_save (EvView *view,
2022 if (!view->document)
2025 field = g_object_get_data (G_OBJECT (widget), "form-field");
2027 if (field->changed) {
2028 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2029 GdkRegion *field_region;
2031 field_region = ev_view_form_field_get_region (view, field);
2033 ev_document_forms_form_field_text_set_text (EV_DOCUMENT_FORMS (view->document),
2034 field, field_text->text);
2035 field->changed = FALSE;
2036 ev_view_reload_page (view, field->page->index, field_region);
2037 gdk_region_destroy (field_region);
2042 ev_view_form_field_text_changed (GtkWidget *widget,
2045 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2048 if (GTK_IS_ENTRY (widget)) {
2049 text = g_strdup (gtk_entry_get_text (GTK_ENTRY (widget)));
2050 } else if (GTK_IS_TEXT_BUFFER (widget)) {
2051 GtkTextIter start, end;
2053 gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (widget), &start, &end);
2054 text = gtk_text_buffer_get_text (GTK_TEXT_BUFFER (widget),
2055 &start, &end, FALSE);
2058 if (!field_text->text ||
2059 (field_text->text && g_ascii_strcasecmp (field_text->text, text) != 0)) {
2060 g_free (field_text->text);
2061 field_text->text = text;
2062 field->changed = TRUE;
2067 ev_view_form_field_text_create_widget (EvView *view,
2070 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2071 GtkWidget *text = NULL;
2074 txt = ev_document_forms_form_field_text_get_text (EV_DOCUMENT_FORMS (view->document),
2077 switch (field_text->type) {
2078 case EV_FORM_FIELD_TEXT_FILE_SELECT:
2080 case EV_FORM_FIELD_TEXT_NORMAL:
2081 text = gtk_entry_new ();
2082 gtk_entry_set_has_frame (GTK_ENTRY (text), FALSE);
2083 gtk_entry_set_max_length (GTK_ENTRY (text), field_text->max_len);
2084 gtk_entry_set_visibility (GTK_ENTRY (text), !field_text->is_password);
2087 gtk_entry_set_text (GTK_ENTRY (text), txt);
2091 g_signal_connect (text, "changed",
2092 G_CALLBACK (ev_view_form_field_text_changed),
2094 g_signal_connect_after (text, "activate",
2095 G_CALLBACK (ev_view_form_field_destroy),
2098 case EV_FORM_FIELD_TEXT_MULTILINE: {
2099 GtkTextBuffer *buffer;
2101 text = gtk_text_view_new ();
2102 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text));
2105 gtk_text_buffer_set_text (buffer, txt, -1);
2109 g_signal_connect (buffer, "changed",
2110 G_CALLBACK (ev_view_form_field_text_changed),
2116 g_object_weak_ref (G_OBJECT (text),
2117 (GWeakNotify)ev_view_form_field_text_save,
2124 ev_view_form_field_choice_save (EvView *view,
2129 if (!view->document)
2132 field = g_object_get_data (G_OBJECT (widget), "form-field");
2134 if (field->changed) {
2136 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2137 GdkRegion *field_region;
2139 field_region = ev_view_form_field_get_region (view, field);
2141 if (field_choice->is_editable) {
2142 ev_document_forms_form_field_choice_set_text (EV_DOCUMENT_FORMS (view->document),
2143 field, field_choice->text);
2145 ev_document_forms_form_field_choice_unselect_all (EV_DOCUMENT_FORMS (view->document), field);
2146 for (l = field_choice->selected_items; l; l = g_list_next (l)) {
2147 ev_document_forms_form_field_choice_select_item (EV_DOCUMENT_FORMS (view->document),
2149 GPOINTER_TO_INT (l->data));
2152 field->changed = FALSE;
2153 ev_view_reload_page (view, field->page->index, field_region);
2154 gdk_region_destroy (field_region);
2159 ev_view_form_field_choice_changed (GtkWidget *widget,
2162 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2164 if (GTK_IS_COMBO_BOX (widget)) {
2167 item = gtk_combo_box_get_active (GTK_COMBO_BOX (widget));
2168 if (!field_choice->selected_items ||
2169 GPOINTER_TO_INT (field_choice->selected_items->data) != item) {
2170 g_list_free (field_choice->selected_items);
2171 field_choice->selected_items = NULL;
2172 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2173 GINT_TO_POINTER (item));
2174 field->changed = TRUE;
2177 if (GTK_IS_COMBO_BOX_ENTRY (widget)) {
2180 text = gtk_combo_box_get_active_text (GTK_COMBO_BOX (widget));
2181 if (!field_choice->text ||
2182 (field_choice->text && g_ascii_strcasecmp (field_choice->text, text) != 0)) {
2183 g_free (field_choice->text);
2184 field_choice->text = text;
2185 field->changed = TRUE;
2188 } else if (GTK_IS_TREE_SELECTION (widget)) {
2189 GtkTreeSelection *selection = GTK_TREE_SELECTION (widget);
2190 GtkTreeModel *model;
2193 items = gtk_tree_selection_get_selected_rows (selection, &model);
2194 g_list_free (field_choice->selected_items);
2195 field_choice->selected_items = NULL;
2197 for (l = items; l && l->data; l = g_list_next (l)) {
2199 GtkTreePath *path = (GtkTreePath *)l->data;
2202 gtk_tree_model_get_iter (model, &iter, path);
2203 gtk_tree_model_get (model, &iter, 1, &item, -1);
2205 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2206 GINT_TO_POINTER (item));
2208 gtk_tree_path_free (path);
2211 g_list_free (items);
2213 field->changed = TRUE;
2218 ev_view_form_field_choice_create_widget (EvView *view,
2221 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2223 GtkTreeModel *model;
2225 gint selected_item = 0;
2227 n_items = ev_document_forms_form_field_choice_get_n_items (EV_DOCUMENT_FORMS (view->document),
2229 model = GTK_TREE_MODEL (gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT));
2230 for (i = 0; i < n_items; i++) {
2234 item = ev_document_forms_form_field_choice_get_item (EV_DOCUMENT_FORMS (view->document),
2236 if (ev_document_forms_form_field_choice_is_item_selected (
2237 EV_DOCUMENT_FORMS (view->document), field, i)) {
2239 /* FIXME: we need a get_selected_items function in poppler */
2240 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2241 GINT_TO_POINTER (i));
2245 gtk_list_store_append (GTK_LIST_STORE (model), &iter);
2246 gtk_list_store_set (GTK_LIST_STORE (model), &iter,
2254 if (field_choice->type == EV_FORM_FIELD_CHOICE_LIST) {
2255 GtkCellRenderer *renderer;
2256 GtkWidget *tree_view;
2257 GtkTreeSelection *selection;
2259 tree_view = gtk_tree_view_new_with_model (model);
2260 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);
2262 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
2263 if (field_choice->multi_select) {
2264 gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
2267 /* TODO: set selected items */
2269 renderer = gtk_cell_renderer_text_new ();
2270 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
2276 choice = gtk_scrolled_window_new (NULL, NULL);
2277 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (choice),
2278 GTK_POLICY_AUTOMATIC,
2279 GTK_POLICY_AUTOMATIC);
2280 gtk_container_add (GTK_CONTAINER (choice), tree_view);
2281 gtk_widget_show (tree_view);
2283 g_signal_connect (selection, "changed",
2284 G_CALLBACK (ev_view_form_field_choice_changed),
2286 g_signal_connect_after (selection, "changed",
2287 G_CALLBACK (ev_view_form_field_destroy),
2289 } else if (field_choice->is_editable) { /* ComboBoxEntry */
2292 choice = gtk_combo_box_entry_new_with_model (model, 0);
2293 text = ev_document_forms_form_field_choice_get_text (EV_DOCUMENT_FORMS (view->document), field);
2295 gtk_entry_set_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (choice))), text);
2299 g_signal_connect (choice, "changed",
2300 G_CALLBACK (ev_view_form_field_choice_changed),
2302 g_signal_connect_after (gtk_bin_get_child (GTK_BIN (choice)),
2304 G_CALLBACK (ev_view_form_field_destroy),
2306 } else { /* ComboBoxText */
2307 GtkCellRenderer *renderer;
2309 choice = gtk_combo_box_new_with_model (model);
2310 renderer = gtk_cell_renderer_text_new ();
2311 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (choice),
2313 gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (choice),
2317 gtk_combo_box_set_active (GTK_COMBO_BOX (choice), selected_item);
2318 gtk_combo_box_popup (GTK_COMBO_BOX (choice));
2320 g_signal_connect (choice, "changed",
2321 G_CALLBACK (ev_view_form_field_choice_changed),
2323 g_signal_connect_after (choice, "changed",
2324 G_CALLBACK (ev_view_form_field_destroy),
2328 g_object_unref (model);
2330 g_object_weak_ref (G_OBJECT (choice),
2331 (GWeakNotify)ev_view_form_field_choice_save,
2338 ev_view_handle_form_field (EvView *view,
2343 GtkWidget *field_widget = NULL;
2344 GList *form_field_mapping;
2345 GdkRectangle view_area;
2347 if (field->is_read_only)
2350 if (EV_IS_FORM_FIELD_BUTTON (field)) {
2351 field_widget = ev_view_form_field_button_create_widget (view, field);
2352 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
2353 field_widget = ev_view_form_field_text_create_widget (view, field);
2354 } else if (EV_IS_FORM_FIELD_CHOICE (field)) {
2355 field_widget = ev_view_form_field_choice_create_widget (view, field);
2356 } else if (EV_IS_FORM_FIELD_SIGNATURE (field)) {
2360 /* Form field doesn't require a widget */
2364 g_object_set_data_full (G_OBJECT (field_widget), "form-field",
2365 g_object_ref (field),
2366 (GDestroyNotify)g_object_unref);
2368 form_field_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
2369 field->page->index);
2370 ev_view_get_area_from_mapping (view, field->page->index,
2374 gtk_layout_put (GTK_LAYOUT (view), field_widget, view_area.x, view_area.y);
2375 gtk_widget_show (field_widget);
2376 gtk_widget_grab_focus (field_widget);
2380 static EvViewWindowChild *
2381 ev_view_get_window_child (EvView *view,
2384 GList *children = view->window_children;
2387 EvViewWindowChild *child;
2389 child = (EvViewWindowChild *)children->data;
2390 children = children->next;
2392 if (child->window == window)
2400 ev_view_window_child_move (EvView *view,
2401 EvViewWindowChild *child,
2407 gtk_window_move (GTK_WINDOW (child->window),
2408 MAX (child->parent_x, x),
2409 MAX (child->parent_y, y));
2413 ev_view_window_child_move_with_parent (EvView *view,
2416 EvViewWindowChild *child;
2417 gint root_x, root_y;
2419 child = ev_view_get_window_child (view, window);
2420 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2422 if (root_x != child->parent_x || root_y != child->parent_y) {
2423 gint dest_x, dest_y;
2425 dest_x = child->x + (root_x - child->parent_x);
2426 dest_y = child->y + (root_y - child->parent_y);
2427 child->parent_x = root_x;
2428 child->parent_y = root_y;
2429 ev_view_window_child_move (view, child, dest_x, dest_y);
2432 if (child->visible && !gtk_widget_get_visible (window))
2433 gtk_widget_show (window);
2437 ev_view_window_child_put (EvView *view,
2445 EvViewWindowChild *child;
2446 gint root_x, root_y;
2448 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2451 child = g_new0 (EvViewWindowChild, 1);
2452 child->window = window;
2454 child->orig_x = orig_x;
2455 child->orig_y = orig_y;
2456 child->parent_x = root_x;
2457 child->parent_y = root_y;
2458 child->visible = ev_annotation_window_is_open (EV_ANNOTATION_WINDOW (window));
2459 ev_view_window_child_move (view, child, x + root_x, y + root_y);
2462 gtk_widget_show (window);
2464 gtk_widget_hide (window);
2466 view->window_children = g_list_append (view->window_children, child);
2469 static EvViewWindowChild *
2470 ev_view_find_window_child_for_annot (EvView *view,
2472 EvAnnotation *annot)
2474 GList *children = view->window_children;
2477 EvViewWindowChild *child;
2478 EvAnnotation *wannot;
2480 child = (EvViewWindowChild *)children->data;
2481 children = children->next;
2483 if (child->page != page)
2486 wannot = ev_annotation_window_get_annotation (EV_ANNOTATION_WINDOW (child->window));
2487 if (wannot == annot || strcmp (wannot->name, annot->name) == 0)
2495 ev_view_window_children_free (EvView *view)
2499 if (!view->window_children)
2502 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
2503 EvViewWindowChild *child;
2505 child = (EvViewWindowChild *)l->data;
2506 gtk_widget_destroy (GTK_WIDGET (child->window));
2509 g_list_free (view->window_children);
2510 view->window_children = NULL;
2511 view->window_child_focus = NULL;
2515 annotation_window_grab_focus (GtkWidget *widget,
2518 if (view->window_child_focus)
2519 ev_annotation_window_ungrab_focus (EV_ANNOTATION_WINDOW (view->window_child_focus->window));
2520 view->window_child_focus = ev_view_get_window_child (view, widget);
2524 annotation_window_closed (EvAnnotationWindow *window,
2527 EvViewWindowChild *child;
2529 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2530 child->visible = FALSE;
2534 annotation_window_moved (EvAnnotationWindow *window,
2539 EvViewWindowChild *child;
2540 GdkRectangle page_area;
2542 GdkRectangle view_rect;
2543 EvRectangle doc_rect;
2546 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2547 if (child->x == x && child->y == y)
2550 child->moved = TRUE;
2554 /* Window has been moved by the user,
2555 * we have to set a new origin in doc coords
2557 gtk_window_get_size (GTK_WINDOW (window), &width, &height);
2558 view_rect.x = (x - child->parent_x) + view->scroll_x;
2559 view_rect.y = (y - child->parent_y) + view->scroll_y;
2560 view_rect.width = width;
2561 view_rect.height = height;
2563 ev_view_get_page_extents (view, child->page, &page_area, &border);
2564 view_rect_to_doc_rect (view, &view_rect, &page_area, &doc_rect);
2565 child->orig_x = doc_rect.x1;
2566 child->orig_y = doc_rect.y1;
2570 ev_view_annotation_save (EvView *view,
2571 EvAnnotation *annot)
2573 if (!view->document)
2576 if (!annot->changed)
2579 ev_document_annotations_annotation_set_contents (EV_DOCUMENT_ANNOTATIONS (view->document),
2580 annot, annot->contents);
2581 annot->changed = FALSE;
2585 show_annotation_windows (EvView *view,
2591 parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
2593 annots = ev_page_cache_get_annot_mapping (view->page_cache, page);
2595 for (l = annots; l && l->data; l = g_list_next (l)) {
2596 EvAnnotation *annot;
2597 EvViewWindowChild *child;
2599 EvRectangle *doc_rect;
2600 GdkRectangle view_rect;
2602 annot = ((EvMapping *)(l->data))->data;
2604 if (!EV_IS_ANNOTATION_MARKUP (annot))
2607 if (!ev_annotation_markup_has_popup (EV_ANNOTATION_MARKUP (annot)))
2610 window = g_object_get_data (G_OBJECT (annot), "popup");
2612 ev_view_window_child_move_with_parent (view, window);
2616 /* Look if we already have a popup for this annot */
2617 child = ev_view_find_window_child_for_annot (view, page, annot);
2618 window = child ? child->window : NULL;
2620 ev_annotation_window_set_annotation (EV_ANNOTATION_WINDOW (window), annot);
2621 g_object_set_data (G_OBJECT (annot), "popup", window);
2622 ev_view_window_child_move_with_parent (view, window);
2624 window = ev_annotation_window_new (annot, parent);
2625 g_signal_connect (window, "grab_focus",
2626 G_CALLBACK (annotation_window_grab_focus),
2628 g_signal_connect (window, "closed",
2629 G_CALLBACK (annotation_window_closed),
2631 g_signal_connect (window, "moved",
2632 G_CALLBACK (annotation_window_moved),
2634 g_object_set_data (G_OBJECT (annot), "popup", window);
2636 doc_rect = (EvRectangle *)ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (window));
2637 doc_rect_to_view_rect (view, page, doc_rect, &view_rect);
2638 view_rect.x -= view->scroll_x;
2639 view_rect.y -= view->scroll_y;
2641 ev_view_window_child_put (view, window, page,
2642 view_rect.x, view_rect.y,
2643 doc_rect->x1, doc_rect->y1);
2645 g_object_weak_ref (G_OBJECT (annot),
2646 (GWeakNotify)ev_view_annotation_save,
2653 hide_annotation_windows (EvView *view,
2658 annots = ev_page_cache_get_annot_mapping (view->page_cache, page);
2660 for (l = annots; l && l->data; l = g_list_next (l)) {
2661 EvAnnotation *annot;
2664 annot = ((EvMapping *)(l->data))->data;
2666 if (!EV_IS_ANNOTATION_MARKUP (annot))
2669 window = g_object_get_data (G_OBJECT (annot), "popup");
2671 gtk_widget_hide (window);
2675 static EvAnnotation *
2676 ev_view_get_annotation_at_location (EvView *view,
2681 gint x_new = 0, y_new = 0;
2682 GList *annotations_mapping;
2684 if (!EV_IS_DOCUMENT_ANNOTATIONS (view->document))
2687 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
2690 annotations_mapping = ev_page_cache_get_annot_mapping (view->page_cache, page);
2692 if (annotations_mapping)
2693 return ev_mapping_list_get_data (annotations_mapping, x_new, y_new);
2699 ev_view_handle_annotation (EvView *view,
2700 EvAnnotation *annot,
2705 if (EV_IS_ANNOTATION_MARKUP (annot)) {
2708 window = g_object_get_data (G_OBJECT (annot), "popup");
2710 EvViewWindowChild *child;
2712 child = ev_view_get_window_child (view, window);
2713 if (!child->visible) {
2714 child->visible = TRUE;
2715 ev_view_window_child_move (view, child, child->x, child->y);
2716 gtk_widget_show (window);
2721 if (EV_IS_ANNOTATION_ATTACHMENT (annot)) {
2722 EvAttachment *attachment = EV_ANNOTATION_ATTACHMENT (annot)->attachment;
2725 GError *error = NULL;
2727 ev_attachment_open (attachment,
2728 gtk_widget_get_screen (GTK_WIDGET (view)),
2733 g_warning ("%s", error->message);
2734 g_error_free (error);
2741 ev_view_synctex_backward_search (EvView *view,
2746 gint x_new = 0, y_new = 0;
2749 if (!ev_document_has_synctex (view->document))
2752 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
2755 link = ev_document_synctex_backward_search (view->document, page, x_new, y_new);
2757 g_signal_emit (view, signals[SIGNAL_SYNC_SOURCE], 0, link);
2766 /*** GtkWidget implementation ***/
2769 ev_view_size_request_continuous_dual_page (EvView *view,
2770 GtkRequisition *requisition)
2774 n_pages = ev_document_get_n_pages (view->document) + 1;
2775 get_page_y_offset (view, n_pages, &requisition->height);
2777 switch (view->sizing_mode) {
2778 case EV_SIZING_FIT_WIDTH:
2779 case EV_SIZING_BEST_FIT:
2780 requisition->width = 1;
2783 case EV_SIZING_FREE: {
2787 ev_view_get_max_page_size (view, &max_width, NULL);
2788 compute_border (view, max_width, max_width, &border);
2789 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
2793 g_assert_not_reached ();
2798 ev_view_size_request_continuous (EvView *view,
2799 GtkRequisition *requisition)
2803 n_pages = ev_document_get_n_pages (view->document);
2804 get_page_y_offset (view, n_pages, &requisition->height);
2806 switch (view->sizing_mode) {
2807 case EV_SIZING_FIT_WIDTH:
2808 case EV_SIZING_BEST_FIT:
2809 requisition->width = 1;
2812 case EV_SIZING_FREE: {
2816 ev_view_get_max_page_size (view, &max_width, NULL);
2817 compute_border (view, max_width, max_width, &border);
2818 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
2822 g_assert_not_reached ();
2827 ev_view_size_request_dual_page (EvView *view,
2828 GtkRequisition *requisition)
2833 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2834 requisition->width = 1;
2835 requisition->height = 1;
2840 /* Find the largest of the two. */
2841 ev_view_get_page_size (view,
2844 if (view->current_page + 1 < ev_document_get_n_pages (view->document)) {
2845 gint width_2, height_2;
2846 ev_view_get_page_size (view,
2847 view->current_page + 1,
2848 &width_2, &height_2);
2849 if (width_2 > width) {
2854 compute_border (view, width, height, &border);
2856 requisition->width = view->sizing_mode == EV_SIZING_FIT_WIDTH ? 1 :
2857 ((width + border.left + border.right) * 2) + (view->spacing * 3);
2858 requisition->height = (height + border.top + border.bottom) + (view->spacing * 2);
2862 ev_view_size_request_single_page (EvView *view,
2863 GtkRequisition *requisition)
2868 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2869 requisition->width = 1;
2870 requisition->height = 1;
2875 ev_view_get_page_size (view, view->current_page, &width, &height);
2876 compute_border (view, width, height, &border);
2878 requisition->width = view->sizing_mode == EV_SIZING_FIT_WIDTH ? 1 :
2879 width + border.left + border.right + (2 * view->spacing);
2880 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2884 ev_view_size_request (GtkWidget *widget,
2885 GtkRequisition *requisition)
2887 EvView *view = EV_VIEW (widget);
2889 if (view->document == NULL) {
2890 view->requisition.width = 1;
2891 view->requisition.height = 1;
2893 *requisition = view->requisition;
2898 /* Get zoom for size here when not called from
2899 * ev_view_size_allocate()
2901 if (!view->internal_size_request &&
2902 (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2903 view->sizing_mode == EV_SIZING_BEST_FIT)) {
2904 GtkAllocation allocation;
2906 gtk_widget_get_allocation (widget, &allocation);
2907 ev_view_zoom_for_size (view,
2912 if (view->continuous && view->dual_page)
2913 ev_view_size_request_continuous_dual_page (view, &view->requisition);
2914 else if (view->continuous)
2915 ev_view_size_request_continuous (view, &view->requisition);
2916 else if (view->dual_page)
2917 ev_view_size_request_dual_page (view, &view->requisition);
2919 ev_view_size_request_single_page (view, &view->requisition);
2921 *requisition = view->requisition;
2925 ev_view_size_allocate (GtkWidget *widget,
2926 GtkAllocation *allocation)
2928 EvView *view = EV_VIEW (widget);
2929 GList *children, *l;
2930 gint root_x, root_y;
2932 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
2934 if (!view->document)
2937 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2938 view->sizing_mode == EV_SIZING_BEST_FIT) {
2941 ev_view_zoom_for_size (view,
2943 allocation->height);
2944 view->internal_size_request = TRUE;
2945 ev_view_size_request (widget, &req);
2946 view->internal_size_request = FALSE;
2949 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
2950 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
2953 view_update_range_and_current_page (view);
2955 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2956 view->pending_resize = FALSE;
2957 view->pending_point.x = 0;
2958 view->pending_point.y = 0;
2960 children = gtk_container_get_children (GTK_CONTAINER (widget));
2961 for (l = children; l && l->data; l = g_list_next (l)) {
2963 GdkRectangle view_area;
2964 GList *form_field_mapping;
2965 GtkAllocation child_allocation;
2966 GtkRequisition child_requisition;
2967 GtkWidget *child = (GtkWidget *)l->data;
2969 field = g_object_get_data (G_OBJECT (child), "form-field");
2973 form_field_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
2974 field->page->index);
2975 ev_view_get_area_from_mapping (view, field->page->index,
2979 gtk_widget_size_request (child, &child_requisition);
2980 if (child_requisition.width != view_area.width ||
2981 child_requisition.height != view_area.height)
2982 gtk_widget_set_size_request (child, view_area.width, view_area.height);
2984 gtk_container_child_get (GTK_CONTAINER (widget),
2986 "x", &child_allocation.x,
2987 "y", &child_allocation.y,
2989 if (child_allocation.x != view_area.x ||
2990 child_allocation.y != view_area.y) {
2991 gtk_layout_move (GTK_LAYOUT (widget), child, view_area.x, view_area.y);
2994 g_list_free (children);
2996 if (view->window_children)
2997 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
3000 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
3001 EvViewWindowChild *child;
3002 EvRectangle doc_rect;
3003 GdkRectangle view_rect;
3005 child = (EvViewWindowChild *)l->data;
3007 doc_rect = *ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (child->window));
3009 doc_rect.x1 = child->orig_x;
3010 doc_rect.y1 = child->orig_y;
3012 doc_rect_to_view_rect (view, child->page, &doc_rect, &view_rect);
3013 view_rect.x -= view->scroll_x;
3014 view_rect.y -= view->scroll_y;
3016 if (view_rect.x != child->orig_x || view_rect.y != child->orig_y) {
3017 child->parent_x = root_x;
3018 child->parent_y = root_y;
3019 ev_view_window_child_move (view, child, view_rect.x + root_x, view_rect.y + root_y);
3025 ev_view_realize (GtkWidget *widget)
3027 EvView *view = EV_VIEW (widget);
3028 GdkWindow *bin_window;
3031 if (GTK_WIDGET_CLASS (ev_view_parent_class)->realize)
3032 (* GTK_WIDGET_CLASS (ev_view_parent_class)->realize) (widget);
3034 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
3035 gdk_window_set_events (bin_window,
3036 (gdk_window_get_events (bin_window) |
3038 GDK_BUTTON_PRESS_MASK |
3039 GDK_BUTTON_RELEASE_MASK |
3041 GDK_KEY_PRESS_MASK |
3042 GDK_POINTER_MOTION_MASK |
3043 GDK_POINTER_MOTION_HINT_MASK |
3044 GDK_ENTER_NOTIFY_MASK |
3045 GDK_LEAVE_NOTIFY_MASK));
3047 style = gtk_widget_get_style (widget);
3048 gdk_window_set_background (bin_window, &style->mid[GTK_STATE_NORMAL]);
3050 on_adjustment_value_changed (NULL, view);
3054 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
3056 EvView *view = EV_VIEW (widget);
3059 state = event->state & gtk_accelerator_get_default_mod_mask ();
3061 if (state == GDK_CONTROL_MASK) {
3062 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
3063 if (event->direction == GDK_SCROLL_UP ||
3064 event->direction == GDK_SCROLL_LEFT) {
3065 if (ev_view_can_zoom_in (view)) {
3066 ev_view_zoom_in (view);
3069 if (ev_view_can_zoom_out (view)) {
3070 ev_view_zoom_out (view);
3077 view->jump_to_find_result = FALSE;
3079 /* Shift+Wheel scrolls the in the perpendicular direction */
3080 if (state & GDK_SHIFT_MASK) {
3081 if (event->direction == GDK_SCROLL_UP)
3082 event->direction = GDK_SCROLL_LEFT;
3083 else if (event->direction == GDK_SCROLL_LEFT)
3084 event->direction = GDK_SCROLL_UP;
3085 else if (event->direction == GDK_SCROLL_DOWN)
3086 event->direction = GDK_SCROLL_RIGHT;
3087 else if (event->direction == GDK_SCROLL_RIGHT)
3088 event->direction = GDK_SCROLL_DOWN;
3090 event->state &= ~GDK_SHIFT_MASK;
3091 state &= ~GDK_SHIFT_MASK;
3094 if (state == 0 && view->sizing_mode == EV_SIZING_BEST_FIT && !view->continuous) {
3095 switch (event->direction) {
3096 case GDK_SCROLL_DOWN:
3097 case GDK_SCROLL_RIGHT:
3098 ev_view_next_page (view);
3101 case GDK_SCROLL_LEFT:
3102 ev_view_previous_page (view);
3112 static EvViewSelection *
3113 find_selection_for_page (EvView *view,
3118 for (list = view->selection_info.selections; list != NULL; list = list->next) {
3119 EvViewSelection *selection;
3121 selection = (EvViewSelection *) list->data;
3123 if (selection->page == page)
3131 ev_view_expose_event (GtkWidget *widget,
3132 GdkEventExpose *event)
3134 EvView *view = EV_VIEW (widget);
3135 GdkWindow *bin_window;
3139 if (view->loading) {
3140 show_loading_window (view);
3141 } else if (view->loading_window &&
3142 gtk_widget_get_visible (view->loading_window)) {
3143 ev_view_loading_window_move (view);
3146 if (view->document == NULL)
3149 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
3150 cr = gdk_cairo_create (bin_window);
3152 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
3153 GdkRectangle page_area;
3155 gboolean page_ready = TRUE;
3157 if (!ev_view_get_page_extents (view, i, &page_area, &border))
3160 page_area.x -= view->scroll_x;
3161 page_area.y -= view->scroll_y;
3163 draw_one_page (view, i, cr, &page_area, &border, &(event->area), &page_ready);
3165 if (page_ready && view->find_pages && view->highlight_find_results)
3166 highlight_find_results (view, i);
3167 if (page_ready && EV_IS_DOCUMENT_ANNOTATIONS (view->document))
3168 show_annotation_windows (view, i);
3169 if (page_ready && view->synctex_result)
3170 highlight_forward_search_results (view, i);
3175 if (GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event)
3176 (* GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) (widget, event);
3182 ev_view_do_popup_menu (EvView *view,
3186 GList *items = NULL;
3189 EvAnnotation *annot;
3191 image = ev_view_get_image_at_location (view, x, y);
3193 items = g_list_prepend (items, image);
3195 link = ev_view_get_link_at_location (view, x, y);
3197 items = g_list_prepend (items, link);
3199 annot = ev_view_get_annotation_at_location (view, x, y);
3201 items = g_list_prepend (items, annot);
3203 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, items);
3205 g_list_free (items);
3211 ev_view_popup_menu (GtkWidget *widget)
3215 gtk_widget_get_pointer (widget, &x, &y);
3216 return ev_view_do_popup_menu (EV_VIEW (widget), x, y);
3220 get_link_area (EvView *view,
3226 GList *link_mapping;
3228 gint x_offset = 0, y_offset = 0;
3230 x += view->scroll_x;
3231 y += view->scroll_y;
3233 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3235 link_mapping = ev_page_cache_get_link_mapping (view->page_cache, page);
3236 ev_view_get_area_from_mapping (view, page,
3242 get_annot_area (EvView *view,
3245 EvAnnotation *annot,
3248 GList *annot_mapping;
3250 gint x_offset = 0, y_offset = 0;
3252 x += view->scroll_x;
3253 y += view->scroll_y;
3255 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3257 annot_mapping = ev_page_cache_get_annot_mapping (view->page_cache, page);
3258 ev_view_get_area_from_mapping (view, page,
3264 ev_view_query_tooltip (GtkWidget *widget,
3267 gboolean keyboard_tip,
3268 GtkTooltip *tooltip)
3270 EvView *view = EV_VIEW (widget);
3272 EvAnnotation *annot;
3275 annot = ev_view_get_annotation_at_location (view, x, y);
3276 if (annot && annot->contents) {
3277 GdkRectangle annot_area;
3279 get_annot_area (view, x, y, annot, &annot_area);
3280 gtk_tooltip_set_text (tooltip, annot->contents);
3281 gtk_tooltip_set_tip_area (tooltip, &annot_area);
3286 link = ev_view_get_link_at_location (view, x, y);
3290 text = tip_from_link (view, link);
3291 if (text && g_utf8_validate (text, -1, NULL)) {
3292 GdkRectangle link_area;
3294 get_link_area (view, x, y, link, &link_area);
3295 gtk_tooltip_set_text (tooltip, text);
3296 gtk_tooltip_set_tip_area (tooltip, &link_area);
3304 start_selection_for_event (EvView *view,
3305 GdkEventButton *event)
3307 clear_selection (view);
3309 view->selection_info.start.x = event->x + view->scroll_x;
3310 view->selection_info.start.y = event->y + view->scroll_y;
3312 switch (event->type) {
3313 case GDK_2BUTTON_PRESS:
3314 view->selection_info.style = EV_SELECTION_STYLE_WORD;
3316 case GDK_3BUTTON_PRESS:
3317 view->selection_info.style = EV_SELECTION_STYLE_LINE;
3320 view->selection_info.style = EV_SELECTION_STYLE_GLYPH;
3324 /* In case of WORD or LINE, compute selections now */
3325 compute_selections (view,
3326 view->selection_info.style,
3327 &(view->selection_info.start),
3328 &(view->selection_info.start));
3332 ev_view_button_press_event (GtkWidget *widget,
3333 GdkEventButton *event)
3335 EvView *view = EV_VIEW (widget);
3337 if (!view->document)
3340 if (!gtk_widget_has_focus (widget)) {
3341 gtk_widget_grab_focus (widget);
3344 if (view->window_child_focus) {
3345 EvAnnotationWindow *window;
3346 EvAnnotation *annot;
3348 window = EV_ANNOTATION_WINDOW (view->window_child_focus->window);
3349 annot = ev_annotation_window_get_annotation (window);
3350 ev_annotation_window_ungrab_focus (window);
3351 ev_view_annotation_save (view, annot);
3352 view->window_child_focus = NULL;
3355 view->pressed_button = event->button;
3356 view->selection_info.in_drag = FALSE;
3358 if (view->scroll_info.autoscrolling)
3361 switch (event->button) {
3364 EvAnnotation *annot;
3367 if (event->state & GDK_CONTROL_MASK)
3368 return ev_view_synctex_backward_search (view, event->x , event->y);
3370 if (EV_IS_SELECTION (view->document) && view->selection_info.selections) {
3371 if (event->type == GDK_3BUTTON_PRESS) {
3372 start_selection_for_event (view, event);
3373 } else if (location_in_selected_text (view,
3374 event->x + view->scroll_x,
3375 event->y + view->scroll_y)) {
3376 view->selection_info.in_drag = TRUE;
3378 start_selection_for_event (view, event);
3381 gtk_widget_queue_draw (widget);
3382 } else if ((annot = ev_view_get_annotation_at_location (view, event->x, event->y))) {
3383 ev_view_handle_annotation (view, annot, event->x, event->y, event->time);
3384 } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) {
3385 ev_view_remove_all (view);
3386 ev_view_handle_form_field (view, field, event->x, event->y);
3387 } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) &&
3388 (image = ev_view_get_image_at_location (view, event->x, event->y))) {
3389 if (view->image_dnd_info.image)
3390 g_object_unref (view->image_dnd_info.image);
3391 view->image_dnd_info.image = g_object_ref (image);
3392 view->image_dnd_info.in_drag = TRUE;
3394 view->image_dnd_info.start.x = event->x + view->scroll_x;
3395 view->image_dnd_info.start.y = event->y + view->scroll_y;
3397 ev_view_remove_all (view);
3399 if (view->synctex_result) {
3400 g_free (view->synctex_result);
3401 view->synctex_result = NULL;
3402 gtk_widget_queue_draw (widget);
3405 if (EV_IS_SELECTION (view->document))
3406 start_selection_for_event (view, event);
3411 /* use root coordinates as reference point because
3412 * scrolling changes window relative coordinates */
3413 view->drag_info.start.x = event->x_root;
3414 view->drag_info.start.y = event->y_root;
3415 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
3416 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
3418 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
3422 view->scroll_info.start_y = event->y;
3423 return ev_view_do_popup_menu (view, event->x, event->y);
3430 ev_view_remove_all (EvView *view)
3432 GList *children, *child;
3434 children = gtk_container_get_children (GTK_CONTAINER (view));
3435 for (child = children; child && child->data; child = g_list_next (child)) {
3436 gtk_container_remove (GTK_CONTAINER (view),
3437 GTK_WIDGET (child->data));
3439 g_list_free (children);
3442 /*** Drag and Drop ***/
3444 ev_view_drag_data_get (GtkWidget *widget,
3445 GdkDragContext *context,
3446 GtkSelectionData *selection_data,
3450 EvView *view = EV_VIEW (widget);
3453 case TARGET_DND_TEXT:
3454 if (EV_IS_SELECTION (view->document) &&
3455 view->selection_info.selections) {
3458 text = get_selected_text (view);
3459 gtk_selection_data_set_text (selection_data,
3465 case TARGET_DND_IMAGE:
3466 if (view->image_dnd_info.image) {
3469 ev_document_doc_mutex_lock ();
3470 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3471 view->image_dnd_info.image);
3472 ev_document_doc_mutex_unlock ();
3474 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
3475 g_object_unref (pixbuf);
3478 case TARGET_DND_URI:
3479 if (view->image_dnd_info.image) {
3481 const gchar *tmp_uri;
3484 ev_document_doc_mutex_lock ();
3485 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3486 view->image_dnd_info.image);
3487 ev_document_doc_mutex_unlock ();
3489 tmp_uri = ev_image_save_tmp (view->image_dnd_info.image, pixbuf);
3490 g_object_unref (pixbuf);
3492 uris[0] = (gchar *)tmp_uri;
3494 gtk_selection_data_set_uris (selection_data, uris);
3500 ev_view_drag_motion (GtkWidget *widget,
3501 GdkDragContext *context,
3506 if (gtk_drag_get_source_widget (context) == widget)
3507 gdk_drag_status (context, 0, time);
3509 gdk_drag_status (context, gdk_drag_context_get_suggested_action (context), time);
3515 selection_update_idle_cb (EvView *view)
3517 compute_selections (view,
3518 view->selection_info.style,
3519 &view->selection_info.start,
3521 view->selection_update_id = 0;
3526 selection_scroll_timeout_cb (EvView *view)
3528 gint x, y, shift = 0;
3529 GtkWidget *widget = GTK_WIDGET (view);
3530 GtkAllocation allocation;
3532 gtk_widget_get_allocation (widget, &allocation);
3533 gtk_widget_get_pointer (widget, &x, &y);
3535 if (y > allocation.height) {
3536 shift = (y - allocation.height) / 2;
3542 gtk_adjustment_set_value (view->vadjustment,
3543 CLAMP (gtk_adjustment_get_value (view->vadjustment) + shift,
3544 gtk_adjustment_get_lower (view->vadjustment),
3545 gtk_adjustment_get_upper (view->vadjustment) -
3546 gtk_adjustment_get_page_size (view->vadjustment)));
3548 if (x > allocation.width) {
3549 shift = (x - allocation.width) / 2;
3555 gtk_adjustment_set_value (view->hadjustment,
3556 CLAMP (gtk_adjustment_get_value (view->hadjustment) + shift,
3557 gtk_adjustment_get_lower (view->hadjustment),
3558 gtk_adjustment_get_upper (view->hadjustment) -
3559 gtk_adjustment_get_page_size (view->hadjustment)));
3565 ev_view_drag_update_momentum (EvView *view)
3568 if (!view->drag_info.in_drag)
3571 for (i = DRAG_HISTORY - 1; i > 0; i--) {
3572 view->drag_info.buffer[i].x = view->drag_info.buffer[i-1].x;
3573 view->drag_info.buffer[i].y = view->drag_info.buffer[i-1].y;
3576 /* Momentum is a moving average of 10ms granularity over
3577 * the last 100ms with each 10ms stored in buffer.
3580 view->drag_info.momentum.x = (view->drag_info.buffer[DRAG_HISTORY - 1].x - view->drag_info.buffer[0].x);
3581 view->drag_info.momentum.y = (view->drag_info.buffer[DRAG_HISTORY - 1].y - view->drag_info.buffer[0].y);
3587 ev_view_scroll_drag_release (EvView *view)
3589 gdouble dhadj_value, dvadj_value;
3590 gdouble oldhadjustment, oldvadjustment;
3591 gdouble h_page_size, v_page_size;
3592 gdouble h_upper, v_upper;
3593 GtkAllocation allocation;
3595 view->drag_info.momentum.x /= 1.2;
3596 view->drag_info.momentum.y /= 1.2; /* Alter these constants to change "friction" */
3598 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
3600 h_page_size = gtk_adjustment_get_page_size (view->hadjustment);
3601 v_page_size = gtk_adjustment_get_page_size (view->vadjustment);
3603 dhadj_value = h_page_size *
3604 (gdouble)view->drag_info.momentum.x / allocation.width;
3605 dvadj_value = v_page_size *
3606 (gdouble)view->drag_info.momentum.y / allocation.height;
3608 oldhadjustment = gtk_adjustment_get_value (view->hadjustment);
3609 oldvadjustment = gtk_adjustment_get_value (view->vadjustment);
3611 h_upper = gtk_adjustment_get_upper (view->hadjustment);
3612 v_upper = gtk_adjustment_get_upper (view->vadjustment);
3614 /* When we reach the edges, we need either to absorb some momentum and bounce by
3615 * multiplying it on -0.5 or stop scrolling by setting momentum to 0. */
3616 if (((oldhadjustment + dhadj_value) > (h_upper - h_page_size)) ||
3617 ((oldhadjustment + dhadj_value) < 0))
3618 view->drag_info.momentum.x = 0;
3619 if (((oldvadjustment + dvadj_value) > (v_upper - v_page_size)) ||
3620 ((oldvadjustment + dvadj_value) < 0))
3621 view->drag_info.momentum.y = 0;
3623 gtk_adjustment_set_value (view->hadjustment,
3624 MIN (oldhadjustment + dhadj_value,
3625 h_upper - h_page_size));
3626 gtk_adjustment_set_value (view->vadjustment,
3627 MIN (oldvadjustment + dvadj_value,
3628 v_upper - v_page_size));
3630 if (((view->drag_info.momentum.x < 1) && (view->drag_info.momentum.x > -1)) &&
3631 ((view->drag_info.momentum.y < 1) && (view->drag_info.momentum.y > -1)))
3638 ev_view_motion_notify_event (GtkWidget *widget,
3639 GdkEventMotion *event)
3641 EvView *view = EV_VIEW (widget);
3642 GdkWindow *bin_window;
3645 if (!view->document)
3648 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
3650 if (event->is_hint || event->window != bin_window) {
3651 gtk_widget_get_pointer (widget, &x, &y);
3657 if (view->scroll_info.autoscrolling) {
3658 view->scroll_info.last_y = y;
3662 if (view->selection_info.in_drag) {
3663 if (gtk_drag_check_threshold (widget,
3664 view->selection_info.start.x,
3665 view->selection_info.start.y,
3667 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3669 gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT);
3671 gtk_drag_begin (widget, target_list,
3673 1, (GdkEvent *)event);
3675 view->selection_info.in_drag = FALSE;
3677 gtk_target_list_unref (target_list);
3681 } else if (view->image_dnd_info.in_drag) {
3682 if (gtk_drag_check_threshold (widget,
3683 view->selection_info.start.x,
3684 view->selection_info.start.y,
3686 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3688 gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI);
3689 gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE);
3691 gtk_drag_begin (widget, target_list,
3693 1, (GdkEvent *)event);
3695 view->image_dnd_info.in_drag = FALSE;
3697 gtk_target_list_unref (target_list);
3703 switch (view->pressed_button) {
3705 /* For the Evince 0.4.x release, we limit selection to un-rotated
3708 if (view->rotation != 0)
3711 /* Schedule timeout to scroll during selection and additionally
3712 * scroll once to allow arbitrary speed. */
3713 if (!view->selection_scroll_id)
3714 view->selection_scroll_id = g_timeout_add (SCROLL_TIME,
3715 (GSourceFunc)selection_scroll_timeout_cb,
3718 selection_scroll_timeout_cb (view);
3720 view->selection_info.in_selection = TRUE;
3721 view->motion.x = x + view->scroll_x;
3722 view->motion.y = y + view->scroll_y;
3724 /* Queue an idle to handle the motion. We do this because
3725 * handling any selection events in the motion could be slower
3726 * than new motion events reach us. We always put it in the
3727 * idle to make sure we catch up and don't visibly lag the
3729 if (!view->selection_update_id)
3730 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
3734 if (!view->drag_info.in_drag) {
3738 start = gtk_drag_check_threshold (widget,
3739 view->drag_info.start.x,
3740 view->drag_info.start.y,
3743 view->drag_info.in_drag = start;
3744 view->drag_info.drag_timeout_id = g_timeout_add (10,
3745 (GSourceFunc)ev_view_drag_update_momentum, view);
3746 /* Set 100 to choose how long it takes to build up momentum */
3747 /* Clear out previous momentum info: */
3748 for (i = 0; i < DRAG_HISTORY; i++) {
3749 view->drag_info.buffer[i].x = event->x;
3750 view->drag_info.buffer[i].y = event->y;
3752 view->drag_info.momentum.x = 0;
3753 view->drag_info.momentum.y = 0;
3756 if (view->drag_info.in_drag) {
3758 gdouble dhadj_value, dvadj_value;
3759 GtkAllocation allocation;
3761 view->drag_info.buffer[0].x = event->x;
3762 view->drag_info.buffer[0].y = event->y;
3764 dx = event->x_root - view->drag_info.start.x;
3765 dy = event->y_root - view->drag_info.start.y;
3767 gtk_widget_get_allocation (widget, &allocation);
3769 dhadj_value = gtk_adjustment_get_page_size (view->hadjustment) *
3770 (gdouble)dx / allocation.width;
3771 dvadj_value = gtk_adjustment_get_page_size (view->vadjustment) *
3772 (gdouble)dy / allocation.height;
3774 /* clamp scrolling to visible area */
3775 gtk_adjustment_set_value (view->hadjustment,
3776 MIN (view->drag_info.hadj - dhadj_value,
3777 gtk_adjustment_get_upper (view->hadjustment) -
3778 gtk_adjustment_get_page_size (view->hadjustment)));
3779 gtk_adjustment_set_value (view->vadjustment,
3780 MIN (view->drag_info.vadj - dvadj_value,
3781 gtk_adjustment_get_upper (view->vadjustment) -
3782 gtk_adjustment_get_page_size (view->vadjustment)));
3789 ev_view_handle_cursor_over_xy (view, x, y);
3796 ev_view_button_release_event (GtkWidget *widget,
3797 GdkEventButton *event)
3799 EvView *view = EV_VIEW (widget);
3800 EvLink *link = NULL;
3802 view->image_dnd_info.in_drag = FALSE;
3804 if (view->scroll_info.autoscrolling) {
3805 ev_view_autoscroll_stop (view);
3806 view->pressed_button = -1;
3811 if (view->drag_info.in_drag) {
3812 view->drag_info.release_timeout_id =
3814 (GSourceFunc)ev_view_scroll_drag_release, view);
3817 if (view->document && !view->drag_info.in_drag && view->pressed_button != 3) {
3818 link = ev_view_get_link_at_location (view, event->x, event->y);
3821 view->drag_info.in_drag = FALSE;
3823 if (view->pressed_button == 2) {
3824 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3827 view->pressed_button = -1;
3829 if (view->selection_scroll_id) {
3830 g_source_remove (view->selection_scroll_id);
3831 view->selection_scroll_id = 0;
3833 if (view->selection_update_id) {
3834 g_source_remove (view->selection_update_id);
3835 view->selection_update_id = 0;
3838 if (view->selection_info.selections) {
3839 clear_link_selected (view);
3840 ev_view_update_primary_selection (view);
3842 if (view->selection_info.in_drag) {
3843 clear_selection (view);
3844 gtk_widget_queue_draw (widget);
3847 view->selection_info.in_drag = FALSE;
3849 if (event->button == 2) {
3850 EvLinkAction *action;
3851 EvLinkActionType type;
3853 action = ev_link_get_action (link);
3857 type = ev_link_action_get_action_type (action);
3858 if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
3859 g_signal_emit (view,
3860 signals[SIGNAL_EXTERNAL_LINK],
3864 ev_view_handle_link (view, link);
3872 ev_view_key_press_event (GtkWidget *widget,
3875 EvView *view = EV_VIEW (widget);
3877 if (!view->document)
3880 if (!gtk_widget_has_focus (widget)) {
3881 /* Forward key events to current focused window child */
3882 if (view->window_child_focus) {
3883 GdkEventKey *new_event;
3886 new_event = (GdkEventKey *) gdk_event_copy ((GdkEvent *)event);
3887 g_object_unref (new_event->window);
3888 new_event->window = gtk_widget_get_window (view->window_child_focus->window);
3889 if (new_event->window)
3890 g_object_ref (new_event->window);
3891 gtk_widget_realize (view->window_child_focus->window);
3892 handled = gtk_widget_event (view->window_child_focus->window, (GdkEvent *)new_event);
3893 gdk_event_free ((GdkEvent *)new_event);
3901 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3905 ev_view_focus_in (GtkWidget *widget,
3906 GdkEventFocus *event)
3908 if (EV_VIEW (widget)->pixbuf_cache)
3909 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3910 gtk_widget_queue_draw (widget);
3916 ev_view_focus_out (GtkWidget *widget,
3917 GdkEventFocus *event)
3919 if (EV_VIEW (widget)->pixbuf_cache)
3920 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3921 gtk_widget_queue_draw (widget);
3927 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3929 EvView *view = EV_VIEW (widget);
3931 if (view->cursor != EV_VIEW_CURSOR_NORMAL)
3932 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
3938 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3940 EvView *view = EV_VIEW (widget);
3942 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3948 ev_view_style_set (GtkWidget *widget,
3949 GtkStyle *old_style)
3951 if (EV_VIEW (widget)->pixbuf_cache)
3952 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3954 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
3960 draw_rubberband (EvView *view,
3962 const GdkRectangle *rect,
3966 GdkColor *fill_color_gdk;
3970 style = gtk_widget_get_style (GTK_WIDGET (view));
3971 fill_color_gdk = gdk_color_copy (&style->base[GTK_STATE_SELECTED]);
3972 r = fill_color_gdk->red / 65535.;
3973 g = fill_color_gdk->green / 65535.;
3974 b = fill_color_gdk->blue / 65535.;
3976 cr = gdk_cairo_create (window);
3978 cairo_set_source_rgba (cr, r, g, b, alpha);
3979 cairo_rectangle (cr,
3980 rect->x - view->scroll_x,
3981 rect->y - view->scroll_y,
3982 rect->width, rect->height);
3983 cairo_fill_preserve (cr);
3985 cairo_set_line_width (cr, 0.5);
3986 cairo_set_source_rgb (cr, r, g, b);
3991 gdk_color_free (fill_color_gdk);
3996 highlight_find_results (EvView *view, int page)
3998 gint i, n_results = 0;
3999 GdkWindow *bin_window;
4001 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
4003 n_results = ev_view_find_get_n_results (view, page);
4005 for (i = 0; i < n_results; i++) {
4006 EvRectangle *rectangle;
4007 GdkRectangle view_rectangle;
4010 if (i == view->find_result && page == view->current_page) {
4016 rectangle = ev_view_find_get_result (view, page, i);
4017 doc_rect_to_view_rect (view, page, rectangle, &view_rectangle);
4018 draw_rubberband (view, bin_window, &view_rectangle, alpha);
4023 highlight_forward_search_results (EvView *view, int page)
4025 GdkWindow *bin_window;
4028 EvMapping *mapping = view->synctex_result;
4030 if (GPOINTER_TO_INT (mapping->data) != page)
4033 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
4034 doc_rect_to_view_rect (view, page, &mapping->area, &rect);
4036 cr = gdk_cairo_create (bin_window);
4037 cairo_set_source_rgb (cr, 1., 0., 0.);
4038 cairo_rectangle (cr,
4039 rect.x - view->scroll_x,
4040 rect.y - view->scroll_y,
4041 rect.width, rect.height);
4047 ev_view_loading_window_move (EvView *view)
4049 GtkWidget *widget = GTK_WIDGET (view);
4050 EvLoadingWindow *window = EV_LOADING_WINDOW (view->loading_window);
4051 gint root_x, root_y;
4053 GtkAllocation allocation;
4055 gtk_widget_get_allocation (widget, &allocation);
4056 gdk_window_get_origin (gtk_widget_get_window (widget), &root_x, &root_y);
4057 ev_loading_window_get_size (window, &window_width, NULL);
4059 root_x += allocation.width - window_width - 10;
4062 ev_loading_window_move (window, root_x, root_y);
4066 show_loading_window_cb (EvView *view)
4068 if (!view->loading_window) {
4072 parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
4073 view->loading_window = ev_loading_window_new (parent);
4075 /* Show the window off screen to get a valid size asap */
4076 screen = gtk_widget_get_screen (GTK_WIDGET (view));
4077 gtk_window_move (GTK_WINDOW (view->loading_window),
4078 gdk_screen_get_width (screen) + 1,
4079 gdk_screen_get_height (screen) + 1);
4080 gtk_widget_show (view->loading_window);
4083 ev_view_loading_window_move (view);
4085 gtk_widget_show (view->loading_window);
4087 view->loading_timeout = 0;
4093 show_loading_window (EvView *view)
4095 if (view->loading_window && gtk_widget_get_visible (view->loading_window)) {
4096 ev_view_loading_window_move (view);
4100 if (!view->loading_timeout) {
4101 view->loading_timeout =
4102 g_timeout_add_full (G_PRIORITY_LOW,
4103 0.5, (GSourceFunc)show_loading_window_cb,
4109 hide_loading_window (EvView *view)
4111 if (view->loading_timeout) {
4112 g_source_remove (view->loading_timeout);
4113 view->loading_timeout = 0;
4116 if (view->loading_window && gtk_widget_get_visible (view->loading_window)) {
4117 gtk_widget_hide (view->loading_window);
4122 draw_one_page (EvView *view,
4125 GdkRectangle *page_area,
4127 GdkRectangle *expose_area,
4128 gboolean *page_ready)
4130 GdkWindow *bin_window;
4131 GdkRectangle overlap;
4132 GdkRectangle real_page_area;
4134 gboolean inverted_colors;
4136 g_assert (view->document);
4138 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
4141 /* Render the document itself */
4142 real_page_area = *page_area;
4144 real_page_area.x += border->left;
4145 real_page_area.y += border->top;
4146 real_page_area.width -= (border->left + border->right);
4147 real_page_area.height -= (border->top + border->bottom);
4150 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
4151 current_page = ev_document_model_get_page (view->model);
4152 inverted_colors = ev_document_model_get_inverted_colors (view->model);
4153 ev_document_misc_paint_one_page (bin_window,
4156 page == current_page,
4159 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
4161 gint page_width, page_height;
4162 cairo_surface_t *page_surface = NULL;
4163 gint selection_width, selection_height;
4164 cairo_surface_t *selection_surface = NULL;
4166 page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page);
4168 if (!page_surface) {
4169 if (page == current_page)
4170 show_loading_window (view);
4172 *page_ready = FALSE;
4177 if (page == current_page)
4178 hide_loading_window (view);
4180 ev_view_get_page_size (view, page, &width, &height);
4182 page_width = cairo_image_surface_get_width (page_surface);
4183 page_height = cairo_image_surface_get_height (page_surface);
4186 cairo_translate (cr, overlap.x, overlap.y);
4188 if (width != page_width || height != page_height) {
4189 cairo_pattern_set_filter (cairo_get_source (cr),
4192 (gdouble)width / page_width,
4193 (gdouble)height / page_height);
4196 cairo_surface_set_device_offset (page_surface,
4197 overlap.x - real_page_area.x,
4198 overlap.y - real_page_area.y);
4199 cairo_set_source_surface (cr, page_surface, 0, 0);
4203 /* Get the selection pixbuf iff we have something to draw */
4204 if (find_selection_for_page (view, page) &&
4205 view->selection_mode == EV_VIEW_SELECTION_TEXT) {
4207 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
4213 if (!selection_surface) {
4217 selection_width = cairo_image_surface_get_width (selection_surface);
4218 selection_height = cairo_image_surface_get_height (selection_surface);
4221 cairo_translate (cr, overlap.x, overlap.y);
4223 if (width != selection_width || height != selection_height) {
4224 cairo_pattern_set_filter (cairo_get_source (cr),
4227 (gdouble)width / selection_width,
4228 (gdouble)height / selection_height);
4231 cairo_surface_set_device_offset (selection_surface,
4232 overlap.x - real_page_area.x,
4233 overlap.y - real_page_area.y);
4234 cairo_set_source_surface (cr, selection_surface, 0, 0);
4240 /*** GObject functions ***/
4243 ev_view_finalize (GObject *object)
4245 EvView *view = EV_VIEW (object);
4247 clear_selection (view);
4248 clear_link_selected (view);
4250 if (view->synctex_result) {
4251 g_free (view->synctex_result);
4252 view->synctex_result = NULL;
4255 if (view->image_dnd_info.image)
4256 g_object_unref (view->image_dnd_info.image);
4257 view->image_dnd_info.image = NULL;
4259 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
4263 ev_view_destroy (GtkObject *object)
4265 EvView *view = EV_VIEW (object);
4268 g_object_unref (view->model);
4272 if (view->pixbuf_cache) {
4273 g_object_unref (view->pixbuf_cache);
4274 view->pixbuf_cache = NULL;
4277 if (view->document) {
4278 g_object_unref (view->document);
4279 view->document = NULL;
4282 if (view->page_cache) {
4283 g_object_unref (view->page_cache);
4284 view->page_cache = NULL;
4287 ev_view_window_children_free (view);
4289 if (view->selection_scroll_id) {
4290 g_source_remove (view->selection_scroll_id);
4291 view->selection_scroll_id = 0;
4294 if (view->selection_update_id) {
4295 g_source_remove (view->selection_update_id);
4296 view->selection_update_id = 0;
4299 if (view->scroll_info.timeout_id) {
4300 g_source_remove (view->scroll_info.timeout_id);
4301 view->scroll_info.timeout_id = 0;
4304 if (view->drag_info.drag_timeout_id) {
4305 g_source_remove (view->drag_info.drag_timeout_id);
4306 view->drag_info.drag_timeout_id = 0;
4309 if (view->drag_info.release_timeout_id) {
4310 g_source_remove (view->drag_info.release_timeout_id);
4311 view->drag_info.release_timeout_id = 0;
4314 if (view->loading_timeout) {
4315 g_source_remove (view->loading_timeout);
4316 view->loading_timeout = 0;
4319 ev_view_set_scroll_adjustments (GTK_LAYOUT (view), NULL, NULL);
4321 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
4325 ev_view_get_accessible (GtkWidget *widget)
4327 static gboolean first_time = TRUE;
4330 AtkObjectFactory *factory;
4331 AtkRegistry *registry;
4333 GType derived_atk_type;
4336 * Figure out whether accessibility is enabled by looking at the
4337 * type of the accessible object which would be created for
4338 * the parent type of EvView.
4340 derived_type = g_type_parent (EV_TYPE_VIEW);
4342 registry = atk_get_default_registry ();
4343 factory = atk_registry_get_factory (registry,
4345 derived_atk_type = atk_object_factory_get_accessible_type (factory);
4346 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
4347 atk_registry_set_factory_type (registry,
4349 ev_view_accessible_factory_get_type ());
4352 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
4356 ev_view_class_init (EvViewClass *class)
4358 GObjectClass *object_class = G_OBJECT_CLASS (class);
4359 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
4360 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
4361 GtkLayoutClass *layout_class = GTK_LAYOUT_CLASS (class);
4362 GtkBindingSet *binding_set;
4364 object_class->finalize = ev_view_finalize;
4366 widget_class->expose_event = ev_view_expose_event;
4367 widget_class->button_press_event = ev_view_button_press_event;
4368 widget_class->motion_notify_event = ev_view_motion_notify_event;
4369 widget_class->button_release_event = ev_view_button_release_event;
4370 widget_class->key_press_event = ev_view_key_press_event;
4371 widget_class->focus_in_event = ev_view_focus_in;
4372 widget_class->focus_out_event = ev_view_focus_out;
4373 widget_class->get_accessible = ev_view_get_accessible;
4374 widget_class->size_request = ev_view_size_request;
4375 widget_class->size_allocate = ev_view_size_allocate;
4376 widget_class->realize = ev_view_realize;
4377 widget_class->scroll_event = ev_view_scroll_event;
4378 widget_class->enter_notify_event = ev_view_enter_notify_event;
4379 widget_class->leave_notify_event = ev_view_leave_notify_event;
4380 widget_class->style_set = ev_view_style_set;
4381 widget_class->drag_data_get = ev_view_drag_data_get;
4382 widget_class->drag_motion = ev_view_drag_motion;
4383 widget_class->popup_menu = ev_view_popup_menu;
4384 widget_class->query_tooltip = ev_view_query_tooltip;
4386 gtk_object_class->destroy = ev_view_destroy;
4388 layout_class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
4390 class->binding_activated = ev_view_scroll;
4392 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
4393 G_TYPE_FROM_CLASS (object_class),
4394 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4395 G_STRUCT_OFFSET (EvViewClass, binding_activated),
4397 ev_view_marshal_VOID__ENUM_BOOLEAN,
4399 GTK_TYPE_SCROLL_TYPE,
4401 signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link",
4402 G_TYPE_FROM_CLASS (object_class),
4403 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4404 G_STRUCT_OFFSET (EvViewClass, handle_link),
4406 g_cclosure_marshal_VOID__OBJECT,
4409 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
4410 G_TYPE_FROM_CLASS (object_class),
4411 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4412 G_STRUCT_OFFSET (EvViewClass, external_link),
4414 g_cclosure_marshal_VOID__OBJECT,
4417 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
4418 G_TYPE_FROM_CLASS (object_class),
4419 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4420 G_STRUCT_OFFSET (EvViewClass, popup_menu),
4422 g_cclosure_marshal_VOID__POINTER,
4425 signals[SIGNAL_SELECTION_CHANGED] = g_signal_new ("selection-changed",
4426 G_TYPE_FROM_CLASS (object_class),
4427 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4428 G_STRUCT_OFFSET (EvViewClass, selection_changed),
4430 g_cclosure_marshal_VOID__VOID,
4433 signals[SIGNAL_SYNC_SOURCE] = g_signal_new ("sync-source",
4434 G_TYPE_FROM_CLASS (object_class),
4435 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4436 G_STRUCT_OFFSET (EvViewClass, sync_source),
4438 g_cclosure_marshal_VOID__POINTER,
4442 binding_set = gtk_binding_set_by_class (class);
4444 add_scroll_binding_keypad (binding_set, GDK_Left, 0, GTK_SCROLL_STEP_BACKWARD, TRUE);
4445 add_scroll_binding_keypad (binding_set, GDK_Right, 0, GTK_SCROLL_STEP_FORWARD, TRUE);
4446 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, TRUE);
4447 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, TRUE);
4448 add_scroll_binding_keypad (binding_set, GDK_Up, 0, GTK_SCROLL_STEP_BACKWARD, FALSE);
4449 add_scroll_binding_keypad (binding_set, GDK_Down, 0, GTK_SCROLL_STEP_FORWARD, FALSE);
4450 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, FALSE);
4451 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, FALSE);
4452 gtk_binding_entry_add_signal (binding_set, GDK_H, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4453 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE);
4454 gtk_binding_entry_add_signal (binding_set, GDK_J, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4455 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE);
4456 gtk_binding_entry_add_signal (binding_set, GDK_K, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4457 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE);
4458 gtk_binding_entry_add_signal (binding_set, GDK_L, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4459 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE);
4464 ev_view_init (EvView *view)
4466 gtk_widget_set_can_focus (GTK_WIDGET (view), TRUE);
4468 view->start_page = -1;
4469 view->end_page = -1;
4472 view->current_page = 0;
4473 view->pressed_button = -1;
4474 view->cursor = EV_VIEW_CURSOR_NORMAL;
4475 view->drag_info.in_drag = FALSE;
4476 view->scroll_info.autoscrolling = FALSE;
4477 view->selection_info.selections = NULL;
4478 view->selection_info.in_selection = FALSE;
4479 view->selection_info.in_drag = FALSE;
4480 view->selection_mode = EV_VIEW_SELECTION_TEXT;
4481 view->continuous = TRUE;
4482 view->dual_page = FALSE;
4483 view->fullscreen = FALSE;
4484 view->sizing_mode = EV_SIZING_FIT_WIDTH;
4485 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4486 view->jump_to_find_result = TRUE;
4487 view->highlight_find_results = FALSE;
4489 gtk_layout_set_hadjustment (GTK_LAYOUT (view), NULL);
4490 gtk_layout_set_vadjustment (GTK_LAYOUT (view), NULL);
4496 ev_view_change_page (EvView *view,
4501 view->current_page = new_page;
4502 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4504 hide_loading_window (view);
4506 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4507 ev_view_handle_cursor_over_xy (view, x, y);
4509 gtk_widget_queue_resize (GTK_WIDGET (view));
4513 job_finished_cb (EvPixbufCache *pixbuf_cache,
4518 GdkWindow *bin_window;
4520 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
4521 gdk_window_invalidate_region (bin_window, region, TRUE);
4523 gtk_widget_queue_draw (GTK_WIDGET (view));
4528 ev_view_page_changed_cb (EvDocumentModel *model,
4533 if (!view->document)
4536 if (view->current_page != new_page) {
4537 ev_view_change_page (view, new_page);
4539 gtk_widget_queue_draw (GTK_WIDGET (view));
4542 view->find_result = 0;
4546 on_adjustment_value_changed (GtkAdjustment *adjustment,
4552 GList *children, *l;
4554 if (!gtk_widget_get_realized (GTK_WIDGET (view)))
4557 if (view->hadjustment) {
4558 value = (gint) gtk_adjustment_get_value (view->hadjustment);
4559 dx = view->scroll_x - value;
4560 view->scroll_x = value;
4565 if (view->vadjustment) {
4566 value = (gint) gtk_adjustment_get_value (view->vadjustment);
4567 dy = view->scroll_y - value;
4568 view->scroll_y = value;
4573 children = gtk_container_get_children (GTK_CONTAINER (view));
4574 for (l = children; l && l->data; l = g_list_next (l)) {
4575 gint child_x, child_y;
4576 GtkWidget *child = (GtkWidget *)l->data;
4578 gtk_container_child_get (GTK_CONTAINER (view),
4583 gtk_layout_move (GTK_LAYOUT (view), child, child_x + dx, child_y + dy);
4585 g_list_free (children);
4587 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
4588 EvViewWindowChild *child;
4590 child = (EvViewWindowChild *)l->data;
4592 ev_view_window_child_move (view, child, child->x + dx, child->y + dy);
4595 if (view->pending_resize) {
4596 gtk_widget_queue_draw (GTK_WIDGET (view));
4598 GdkWindow *bin_window;
4600 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
4601 gdk_window_scroll (bin_window, dx, dy);
4604 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4605 ev_view_handle_cursor_over_xy (view, x, y);
4608 view_update_range_and_current_page (view);
4616 view = g_object_new (EV_TYPE_VIEW, NULL);
4622 setup_caches (EvView *view)
4624 gboolean inverted_colors;
4626 view->height_to_page_cache = ev_view_get_height_to_page_cache (view);
4627 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->model, view->pixbuf_cache_size);
4628 view->page_cache = ev_page_cache_new (view->document);
4629 inverted_colors = ev_document_model_get_inverted_colors (view->model);
4630 ev_pixbuf_cache_set_inverted_colors (view->pixbuf_cache, inverted_colors);
4631 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
4635 clear_caches (EvView *view)
4637 if (view->pixbuf_cache) {
4638 g_object_unref (view->pixbuf_cache);
4639 view->pixbuf_cache = NULL;
4642 if (view->page_cache) {
4643 g_object_unref (view->page_cache);
4644 view->page_cache = NULL;
4649 * ev_view_set_page_cache_size:
4653 * Sets the maximum size in bytes that will be used to cache
4654 * rendered pages. Use 0 to disable caching rendered pages.
4656 * Note that this limit doesn't affect the current visible page range,
4657 * which will always be rendered. In order to limit the total memory used
4658 * you have to use ev_document_model_set_max_scale() too.
4662 ev_view_set_page_cache_size (EvView *view,
4665 if (view->pixbuf_cache_size == cache_size)
4668 view->pixbuf_cache_size = cache_size;
4669 if (view->pixbuf_cache)
4670 ev_pixbuf_cache_set_max_size (view->pixbuf_cache, cache_size);
4674 ev_view_set_loading (EvView *view,
4677 if (view->loading && !loading)
4678 hide_loading_window (view);
4679 view->loading = loading;
4680 gtk_widget_queue_draw (GTK_WIDGET (view));
4684 ev_view_autoscroll_cb (EvView *view)
4686 gdouble speed, value;
4688 /* If the user stops autoscrolling, autoscrolling will be
4689 * set to false but the timeout will continue; stop the timeout: */
4690 if (!view->scroll_info.autoscrolling) {
4691 view->scroll_info.timeout_id = 0;
4695 if (view->scroll_info.last_y > view->scroll_info.start_y &&
4696 (view->scroll_info.last_y < view->scroll_info.start_y))
4699 /* Replace 100 with your speed of choice: The lower the faster.
4700 * Replace 3 with another speed of choice: The higher, the faster it accelerated
4701 * based on the distance of the starting point from the mouse
4702 * (All also effected by the timeout interval of this callback) */
4704 if (view->scroll_info.start_y > view->scroll_info.last_y)
4705 speed = -pow ((((gdouble)view->scroll_info.start_y - view->scroll_info.last_y) / 100), 3);
4707 speed = pow ((((gdouble)view->scroll_info.last_y - view->scroll_info.start_y) / 100), 3);
4709 value = gtk_adjustment_get_value (view->vadjustment);
4710 value = CLAMP (value + speed, 0,
4711 gtk_adjustment_get_upper (view->vadjustment) -
4712 gtk_adjustment_get_page_size (view->vadjustment));
4713 gtk_adjustment_set_value (view->vadjustment, value);
4720 ev_view_autoscroll_start (EvView *view)
4724 g_return_if_fail (EV_IS_VIEW (view));
4726 if (view->scroll_info.autoscrolling)
4729 view->scroll_info.autoscrolling = TRUE;
4730 view->scroll_info.timeout_id =
4731 g_timeout_add (20, (GSourceFunc)ev_view_autoscroll_cb,
4734 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4735 ev_view_handle_cursor_over_xy (view, x, y);
4739 ev_view_autoscroll_stop (EvView *view)
4743 g_return_if_fail (EV_IS_VIEW (view));
4745 if (!view->scroll_info.autoscrolling)
4748 view->scroll_info.autoscrolling = FALSE;
4749 if (view->scroll_info.timeout_id) {
4750 g_source_remove (view->scroll_info.timeout_id);
4751 view->scroll_info.timeout_id = 0;
4754 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4755 ev_view_handle_cursor_over_xy (view, x, y);
4759 ev_view_document_changed_cb (EvDocumentModel *model,
4763 EvDocument *document = ev_document_model_get_document (model);
4765 if (document != view->document) {
4768 clear_caches (view);
4770 if (view->document) {
4771 g_object_unref (view->document);
4774 view->document = document;
4775 view->find_result = 0;
4777 if (view->document) {
4778 view->loading = FALSE;
4779 g_object_ref (view->document);
4780 setup_caches (view);
4783 current_page = ev_document_model_get_page (model);
4784 if (view->current_page != current_page) {
4785 ev_view_change_page (view, current_page);
4787 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4788 gtk_widget_queue_resize (GTK_WIDGET (view));
4794 ev_view_rotation_changed_cb (EvDocumentModel *model,
4798 gint rotation = ev_document_model_get_rotation (model);
4800 view->rotation = rotation;
4802 if (view->pixbuf_cache) {
4803 ev_pixbuf_cache_clear (view->pixbuf_cache);
4804 if (!ev_document_is_page_size_uniform (view->document))
4805 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4806 gtk_widget_queue_resize (GTK_WIDGET (view));
4809 ev_view_remove_all (view);
4812 clear_selection (view);
4816 ev_view_inverted_colors_changed_cb (EvDocumentModel *model,
4820 if (view->pixbuf_cache) {
4821 gboolean inverted_colors;
4823 inverted_colors = ev_document_model_get_inverted_colors (model);
4824 ev_pixbuf_cache_set_inverted_colors (view->pixbuf_cache, inverted_colors);
4825 gtk_widget_queue_draw (GTK_WIDGET (view));
4830 ev_view_sizing_mode_changed_cb (EvDocumentModel *model,
4834 EvSizingMode mode = ev_document_model_get_sizing_mode (model);
4836 view->sizing_mode = mode;
4837 if (mode != EV_SIZING_FREE)
4838 gtk_widget_queue_resize (GTK_WIDGET (view));
4841 #define EPSILON 0.0000001
4843 ev_view_scale_changed_cb (EvDocumentModel *model,
4847 gdouble scale = ev_document_model_get_scale (model);
4849 if (ABS (view->scale - scale) < EPSILON)
4852 view->scale = scale;
4854 view->pending_resize = TRUE;
4855 if (view->sizing_mode == EV_SIZING_FREE)
4856 gtk_widget_queue_resize (GTK_WIDGET (view));
4860 ev_view_continuous_changed_cb (EvDocumentModel *model,
4864 gboolean continuous = ev_document_model_get_continuous (model);
4866 view->continuous = continuous;
4867 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4868 gtk_widget_queue_resize (GTK_WIDGET (view));
4872 ev_view_dual_page_changed_cb (EvDocumentModel *model,
4876 gboolean dual_page = ev_document_model_get_dual_page (model);
4878 view->dual_page = dual_page;
4879 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4880 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
4881 * preload_cache_size to be 2 if dual_page is set.
4883 gtk_widget_queue_resize (GTK_WIDGET (view));
4887 ev_view_fullscreen_changed_cb (EvDocumentModel *model,
4891 gboolean fullscreen = ev_document_model_get_fullscreen (model);
4893 view->fullscreen = fullscreen;
4894 gtk_widget_queue_resize (GTK_WIDGET (view));
4898 ev_view_set_model (EvView *view,
4899 EvDocumentModel *model)
4901 g_return_if_fail (EV_IS_VIEW (view));
4902 g_return_if_fail (EV_IS_DOCUMENT_MODEL (model));
4904 if (model == view->model)
4908 g_signal_handlers_disconnect_by_func (view->model,
4909 ev_view_document_changed_cb,
4911 g_signal_handlers_disconnect_by_func (view->model,
4912 ev_view_page_changed_cb,
4914 g_object_unref (view->model);
4916 view->model = g_object_ref (model);
4918 /* Initialize view from model */
4919 view->rotation = ev_document_model_get_rotation (view->model);
4920 view->sizing_mode = ev_document_model_get_sizing_mode (view->model);
4921 view->scale = ev_document_model_get_scale (view->model);
4922 view->continuous = ev_document_model_get_continuous (view->model);
4923 view->dual_page = ev_document_model_get_dual_page (view->model);
4924 view->fullscreen = ev_document_model_get_fullscreen (view->model);
4925 ev_view_document_changed_cb (view->model, NULL, view);
4927 g_signal_connect (view->model, "notify::document",
4928 G_CALLBACK (ev_view_document_changed_cb),
4930 g_signal_connect (view->model, "notify::rotation",
4931 G_CALLBACK (ev_view_rotation_changed_cb),
4933 g_signal_connect (view->model, "notify::inverted-colors",
4934 G_CALLBACK (ev_view_inverted_colors_changed_cb),
4936 g_signal_connect (view->model, "notify::sizing-mode",
4937 G_CALLBACK (ev_view_sizing_mode_changed_cb),
4939 g_signal_connect (view->model, "notify::scale",
4940 G_CALLBACK (ev_view_scale_changed_cb),
4942 g_signal_connect (view->model, "notify::continuous",
4943 G_CALLBACK (ev_view_continuous_changed_cb),
4945 g_signal_connect (view->model, "notify::dual-page",
4946 G_CALLBACK (ev_view_dual_page_changed_cb),
4948 g_signal_connect (view->model, "notify::fullscreen",
4949 G_CALLBACK (ev_view_fullscreen_changed_cb),
4951 g_signal_connect (view->model, "page-changed",
4952 G_CALLBACK (ev_view_page_changed_cb),
4957 ev_view_reload_page (EvView *view,
4961 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
4969 ev_view_reload (EvView *view)
4971 ev_pixbuf_cache_clear (view->pixbuf_cache);
4972 view_update_range_and_current_page (view);
4975 /*** Zoom and sizing mode ***/
4978 ev_view_can_zoom_in (EvView *view)
4980 return view->scale * ZOOM_IN_FACTOR <= ev_document_model_get_max_scale (view->model);
4984 ev_view_can_zoom_out (EvView *view)
4986 return view->scale * ZOOM_OUT_FACTOR >= ev_document_model_get_min_scale (view->model);
4990 ev_view_zoom_in (EvView *view)
4994 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
4996 view->pending_scroll = SCROLL_TO_CENTER;
4997 scale = ev_document_model_get_scale (view->model) * ZOOM_IN_FACTOR;
4998 ev_document_model_set_scale (view->model, scale);
5002 ev_view_zoom_out (EvView *view)
5006 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5008 view->pending_scroll = SCROLL_TO_CENTER;
5009 scale = ev_document_model_get_scale (view->model) * ZOOM_OUT_FACTOR;
5010 ev_document_model_set_scale (view->model, scale);
5014 zoom_for_size_fit_width (gdouble doc_width,
5019 return (double)target_width / doc_width;
5023 zoom_for_size_fit_height (gdouble doc_width,
5028 return (double)target_height / doc_height;
5032 zoom_for_size_best_fit (gdouble doc_width,
5040 w_scale = (double)target_width / doc_width;
5041 h_scale = (double)target_height / doc_height;
5043 return MIN (w_scale, h_scale);
5047 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
5051 gdouble doc_width, doc_height;
5056 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5057 if (view->rotation == 90 || view->rotation == 270) {
5061 doc_width = doc_height;
5065 compute_border (view, doc_width, doc_height, &border);
5068 width -= (2 * (border.left + border.right) + 3 * view->spacing);
5069 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5071 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5073 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5074 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5075 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5076 scale = zoom_for_size_best_fit (doc_width, doc_height, width - sb_size, height);
5078 g_assert_not_reached ();
5080 ev_document_model_set_scale (view->model, scale);
5084 ev_view_zoom_for_size_continuous (EvView *view,
5088 gdouble doc_width, doc_height;
5093 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5094 if (view->rotation == 90 || view->rotation == 270) {
5098 doc_width = doc_height;
5102 compute_border (view, doc_width, doc_height, &border);
5104 width -= (border.left + border.right + 2 * view->spacing);
5105 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5107 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5109 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5110 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5111 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5112 scale = zoom_for_size_best_fit (doc_width, doc_height, width - sb_size, height);
5114 g_assert_not_reached ();
5116 ev_document_model_set_scale (view->model, scale);
5120 ev_view_zoom_for_size_dual_page (EvView *view,
5125 gdouble doc_width, doc_height;
5129 other_page = view->current_page ^ 1;
5131 /* Find the largest of the two. */
5132 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5133 if (other_page < ev_document_get_n_pages (view->document)) {
5134 gdouble width_2, height_2;
5136 get_doc_page_size (view, other_page, &width_2, &height_2);
5137 if (width_2 > doc_width)
5138 doc_width = width_2;
5139 if (height_2 > doc_height)
5140 doc_height = height_2;
5142 compute_border (view, width, height, &border);
5144 doc_width = doc_width * 2;
5145 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
5146 height -= (border.top + border.bottom + 2 * view->spacing);
5148 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5151 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5152 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5153 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5154 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5156 g_assert_not_reached ();
5158 ev_document_model_set_scale (view->model, scale);
5162 ev_view_zoom_for_size_single_page (EvView *view,
5166 gdouble doc_width, doc_height;
5170 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5172 /* Get an approximate border */
5173 compute_border (view, width, height, &border);
5175 width -= (border.left + border.right + 2 * view->spacing);
5176 height -= (border.top + border.bottom + 2 * view->spacing);
5178 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5181 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5182 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5183 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5184 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5186 g_assert_not_reached ();
5188 ev_document_model_set_scale (view->model, scale);
5192 ev_view_zoom_for_size (EvView *view,
5196 g_return_if_fail (EV_IS_VIEW (view));
5197 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
5198 view->sizing_mode == EV_SIZING_BEST_FIT);
5199 g_return_if_fail (width >= 0);
5200 g_return_if_fail (height >= 0);
5202 if (view->document == NULL)
5205 if (view->continuous && view->dual_page)
5206 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height);
5207 else if (view->continuous)
5208 ev_view_zoom_for_size_continuous (view, width, height);
5209 else if (view->dual_page)
5210 ev_view_zoom_for_size_dual_page (view, width, height);
5212 ev_view_zoom_for_size_single_page (view, width, height);
5217 ev_view_find_get_n_results (EvView *view, gint page)
5219 return view->find_pages ? g_list_length (view->find_pages[page]) : 0;
5222 static EvRectangle *
5223 ev_view_find_get_result (EvView *view, gint page, gint result)
5225 return view->find_pages ? (EvRectangle *) g_list_nth_data (view->find_pages[page], result) : NULL;
5229 jump_to_find_result (EvView *view)
5232 gint page = view->current_page;
5234 n_results = ev_view_find_get_n_results (view, page);
5236 if (n_results > 0 && view->find_result < n_results) {
5238 GdkRectangle view_rect;
5240 rect = ev_view_find_get_result (view, page, view->find_result);
5241 doc_rect_to_view_rect (view, page, rect, &view_rect);
5242 ensure_rectangle_is_visible (view, &view_rect);
5243 view->jump_to_find_result = FALSE;
5249 * @view: #EvView instance
5250 * @direction: Direction to look
5251 * @shift: Shift from current page
5253 * Jumps to the first page that has occurences of searched word.
5254 * Uses a direction where to look and a shift from current page.
5258 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
5262 n_pages = ev_document_get_n_pages (view->document);
5264 for (i = 0; i < n_pages; i++) {
5267 if (direction == EV_VIEW_FIND_NEXT)
5268 page = view->current_page + i;
5270 page = view->current_page - i;
5273 if (page >= n_pages) {
5274 page = page - n_pages;
5275 } else if (page < 0)
5276 page = page + n_pages;
5278 if (ev_view_find_get_n_results (view, page) > 0) {
5279 ev_document_model_set_page (view->model, page);
5286 ev_view_find_changed (EvView *view, GList **results, gint page)
5288 view->find_pages = results;
5290 if (view->jump_to_find_result == TRUE) {
5291 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
5292 jump_to_find_result (view);
5295 if (view->current_page == page)
5296 gtk_widget_queue_draw (GTK_WIDGET (view));
5300 ev_view_find_next (EvView *view)
5304 n_results = ev_view_find_get_n_results (view, view->current_page);
5305 view->find_result++;
5307 if (view->find_result >= n_results) {
5308 view->find_result = 0;
5309 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
5310 jump_to_find_result (view);
5312 jump_to_find_result (view);
5313 gtk_widget_queue_draw (GTK_WIDGET (view));
5318 ev_view_find_previous (EvView *view)
5320 view->find_result--;
5322 if (view->find_result < 0) {
5323 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
5324 view->find_result = MAX (0, ev_view_find_get_n_results (view, view->current_page) - 1);
5325 jump_to_find_result (view);
5327 jump_to_find_result (view);
5328 gtk_widget_queue_draw (GTK_WIDGET (view));
5333 ev_view_find_search_changed (EvView *view)
5335 /* search string has changed, focus on new search result */
5336 view->jump_to_find_result = TRUE;
5337 view->find_pages = NULL;
5341 ev_view_find_set_highlight_search (EvView *view, gboolean value)
5343 view->highlight_find_results = value;
5344 gtk_widget_queue_draw (GTK_WIDGET (view));
5348 ev_view_find_cancel (EvView *view)
5350 view->find_pages = NULL;
5355 ev_view_highlight_forward_search (EvView *view,
5360 GdkRectangle view_rect;
5362 if (!ev_document_has_synctex (view->document))
5365 mapping = ev_document_synctex_forward_search (view->document, link);
5369 if (view->synctex_result)
5370 g_free (view->synctex_result);
5371 view->synctex_result = mapping;
5373 page = GPOINTER_TO_INT (mapping->data);
5374 ev_document_model_set_page (view->model, page);
5376 doc_rect_to_view_rect (view, page, &mapping->area, &view_rect);
5377 ensure_rectangle_is_visible (view, &view_rect);
5378 gtk_widget_queue_draw (GTK_WIDGET (view));
5381 /*** Selections ***/
5383 /* compute_new_selection_rect/text calculates the area currently selected by
5384 * view_rect. each handles a different mode;
5387 compute_new_selection_rect (EvView *view,
5391 GdkRectangle view_rect;
5395 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
5397 view_rect.x = MIN (start->x, stop->x);
5398 view_rect.y = MIN (start->y, stop->y);
5399 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
5400 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
5402 n_pages = ev_document_get_n_pages (view->document);
5404 for (i = 0; i < n_pages; i++) {
5405 GdkRectangle page_area;
5408 if (ev_view_get_page_extents (view, i, &page_area, &border)) {
5409 GdkRectangle overlap;
5411 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
5412 EvViewSelection *selection;
5414 selection = g_new0 (EvViewSelection, 1);
5415 selection->page = i;
5416 view_rect_to_doc_rect (view, &overlap, &page_area,
5417 &(selection->rect));
5419 list = g_list_append (list, selection);
5428 gdk_rectangle_point_in (GdkRectangle *rectangle,
5431 return rectangle->x <= point->x &&
5432 rectangle->y <= point->y &&
5433 point->x < rectangle->x + rectangle->width &&
5434 point->y < rectangle->y + rectangle->height;
5438 compute_new_selection_text (EvView *view,
5439 EvSelectionStyle style,
5443 int n_pages, i, first, last;
5445 EvViewSelection *selection;
5446 gdouble width, height;
5447 int start_page, end_page;
5449 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
5451 n_pages = ev_document_get_n_pages (view->document);
5453 /* First figure out the range of pages the selection
5457 if (view->continuous) {
5460 } else if (view->dual_page) {
5461 start_page = view->start_page;
5462 end_page = view->end_page + 1;
5464 start_page = view->current_page;
5465 end_page = view->current_page + 1;
5468 for (i = start_page; i < end_page; i++) {
5469 GdkRectangle page_area;
5472 ev_view_get_page_extents (view, i, &page_area, &border);
5473 if (gdk_rectangle_point_in (&page_area, start) ||
5474 gdk_rectangle_point_in (&page_area, stop)) {
5475 if (first == n_pages)
5482 /* Now create a list of EvViewSelection's for the affected
5483 * pages. This could be an empty list, a list of just one
5484 * page or a number of pages.*/
5485 for (i = first; i < last + 1; i++) {
5486 GdkRectangle page_area;
5490 get_doc_page_size (view, i, &width, &height);
5492 selection = g_new0 (EvViewSelection, 1);
5493 selection->page = i;
5494 selection->style = style;
5495 selection->rect.x1 = selection->rect.y1 = 0;
5496 selection->rect.x2 = width;
5497 selection->rect.y2 = height;
5499 ev_view_get_page_extents (view, i, &page_area, &border);
5501 if (gdk_rectangle_point_in (&page_area, start))
5507 view_point_to_doc_point (view, point, &page_area,
5508 &selection->rect.x1,
5509 &selection->rect.y1);
5511 /* If the selection is contained within just one page,
5512 * make sure we don't write 'start' into both points
5513 * in selection->rect. */
5518 view_point_to_doc_point (view, point, &page_area,
5519 &selection->rect.x2,
5520 &selection->rect.y2);
5522 list = g_list_append (list, selection);
5528 /* This function takes the newly calculated list, and figures out which regions
5529 * have changed. It then queues a redraw approporiately.
5532 merge_selection_region (EvView *view,
5536 GList *new_list_ptr, *old_list_ptr;
5538 /* Update the selection */
5539 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
5540 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5541 g_list_free (view->selection_info.selections);
5542 view->selection_info.selections = new_list;
5543 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
5544 g_signal_emit (view, signals[SIGNAL_SELECTION_CHANGED], 0, NULL);
5546 new_list_ptr = new_list;
5547 old_list_ptr = old_list;
5549 while (new_list_ptr || old_list_ptr) {
5550 EvViewSelection *old_sel, *new_sel;
5552 GdkRegion *region = NULL;
5554 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
5555 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
5557 /* Assume that the lists are in order, and we run through them
5558 * comparing them, one page at a time. We come out with the
5559 * first page we see. */
5560 if (new_sel && old_sel) {
5561 if (new_sel->page < old_sel->page) {
5562 new_list_ptr = new_list_ptr->next;
5564 } else if (new_sel->page > old_sel->page) {
5565 old_list_ptr = old_list_ptr->next;
5568 new_list_ptr = new_list_ptr->next;
5569 old_list_ptr = old_list_ptr->next;
5571 } else if (new_sel) {
5572 new_list_ptr = new_list_ptr->next;
5573 } else if (old_sel) {
5574 old_list_ptr = old_list_ptr->next;
5577 g_assert (new_sel || old_sel);
5579 /* is the page we're looking at on the screen?*/
5580 cur_page = new_sel ? new_sel->page : old_sel->page;
5581 if (cur_page < view->start_page || cur_page > view->end_page)
5584 /* seed the cache with a new page. We are going to need the new
5587 GdkRegion *tmp_region = NULL;
5589 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
5594 if (tmp_region && !gdk_region_empty (tmp_region)) {
5595 new_sel->covered_region = gdk_region_copy (tmp_region);
5599 /* Now we figure out what needs redrawing */
5600 if (old_sel && new_sel) {
5601 if (old_sel->covered_region && new_sel->covered_region) {
5602 /* We only want to redraw the areas that have
5603 * changed, so we xor the old and new regions
5604 * and redraw if it's different */
5605 region = gdk_region_copy (old_sel->covered_region);
5606 gdk_region_xor (region, new_sel->covered_region);
5607 if (gdk_region_empty (region)) {
5608 gdk_region_destroy (region);
5611 } else if (old_sel->covered_region) {
5612 region = gdk_region_copy (old_sel->covered_region);
5613 } else if (new_sel->covered_region) {
5614 region = gdk_region_copy (new_sel->covered_region);
5616 } else if (old_sel && !new_sel) {
5617 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
5618 region = gdk_region_copy (old_sel->covered_region);
5620 } else if (!old_sel && new_sel) {
5621 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
5622 region = gdk_region_copy (new_sel->covered_region);
5625 g_assert_not_reached ();
5628 /* Redraw the damaged region! */
5630 GdkWindow *bin_window;
5631 GdkRectangle page_area;
5634 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
5636 /* I don't know why but the region is smaller
5637 * than expected. This hack fixes it, I guess
5638 * 10 pixels more won't hurt
5640 gdk_region_shrink (region, -5, -5);
5642 ev_view_get_page_extents (view, cur_page, &page_area, &border);
5643 gdk_region_offset (region,
5644 page_area.x + border.left - view->scroll_x,
5645 page_area.y + border.top - view->scroll_y);
5646 gdk_window_invalidate_region (bin_window, region, TRUE);
5647 gdk_region_destroy (region);
5651 /* Free the old list, now that we're done with it. */
5652 g_list_foreach (old_list, (GFunc) selection_free, NULL);
5653 g_list_free (old_list);
5657 compute_selections (EvView *view,
5658 EvSelectionStyle style,
5664 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
5665 list = compute_new_selection_rect (view, start, stop);
5667 list = compute_new_selection_text (view, style, start, stop);
5668 merge_selection_region (view, list);
5671 /* Free's the selection. It's up to the caller to queue redraws if needed.
5674 selection_free (EvViewSelection *selection)
5676 if (selection->covered_region)
5677 gdk_region_destroy (selection->covered_region);
5682 clear_selection (EvView *view)
5684 if (view->selection_info.selections) {
5685 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5686 g_list_free (view->selection_info.selections);
5687 view->selection_info.selections = NULL;
5689 g_signal_emit (view, signals[SIGNAL_SELECTION_CHANGED], 0, NULL);
5691 view->selection_info.in_selection = FALSE;
5692 if (view->pixbuf_cache)
5693 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
5697 ev_view_select_all (EvView *view)
5699 GList *selections = NULL;
5702 /* Disable selection on rotated pages for the 0.4.0 series */
5703 if (view->rotation != 0)
5706 clear_selection (view);
5708 n_pages = ev_document_get_n_pages (view->document);
5709 for (i = 0; i < n_pages; i++) {
5710 gdouble width, height;
5711 EvViewSelection *selection;
5713 get_doc_page_size (view, i, &width, &height);
5715 selection = g_new0 (EvViewSelection, 1);
5716 selection->page = i;
5717 selection->style = EV_SELECTION_STYLE_GLYPH;
5718 selection->rect.x1 = selection->rect.y1 = 0;
5719 selection->rect.x2 = width;
5720 selection->rect.y2 = height;
5722 selections = g_list_append (selections, selection);
5725 merge_selection_region (view, selections);
5726 gtk_widget_queue_draw (GTK_WIDGET (view));
5730 ev_view_get_has_selection (EvView *view)
5732 return view->selection_info.selections != NULL;
5736 get_selected_text (EvView *view)
5740 gchar *normalized_text;
5742 text = g_string_new (NULL);
5744 ev_document_doc_mutex_lock ();
5746 for (l = view->selection_info.selections; l != NULL; l = l->next) {
5747 EvViewSelection *selection = (EvViewSelection *)l->data;
5751 page = ev_document_get_page (view->document, selection->page);
5752 tmp = ev_selection_get_selected_text (EV_SELECTION (view->document),
5753 page, selection->style,
5754 &(selection->rect));
5755 g_object_unref (page);
5756 g_string_append (text, tmp);
5760 ev_document_doc_mutex_unlock ();
5762 normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC);
5763 g_string_free (text, TRUE);
5764 return normalized_text;
5768 ev_view_clipboard_copy (EvView *view,
5771 GtkClipboard *clipboard;
5773 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
5774 GDK_SELECTION_CLIPBOARD);
5775 gtk_clipboard_set_text (clipboard, text, -1);
5779 ev_view_copy (EvView *ev_view)
5783 if (!EV_IS_SELECTION (ev_view->document))
5786 text = get_selected_text (ev_view);
5787 ev_view_clipboard_copy (ev_view, text);
5792 ev_view_primary_get_cb (GtkClipboard *clipboard,
5793 GtkSelectionData *selection_data,
5797 EvView *ev_view = EV_VIEW (data);
5799 if (ev_view->link_selected) {
5800 gtk_selection_data_set_text (selection_data,
5801 ev_link_action_get_uri (ev_view->link_selected),
5803 } else if (EV_IS_SELECTION (ev_view->document) &&
5804 ev_view->selection_info.selections) {
5807 text = get_selected_text (ev_view);
5809 gtk_selection_data_set_text (selection_data, text, -1);
5816 ev_view_primary_clear_cb (GtkClipboard *clipboard,
5819 EvView *view = EV_VIEW (data);
5821 clear_selection (view);
5822 clear_link_selected (view);
5826 ev_view_update_primary_selection (EvView *ev_view)
5828 GtkClipboard *clipboard;
5830 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
5831 GDK_SELECTION_PRIMARY);
5833 if (ev_view->selection_info.selections || ev_view->link_selected) {
5834 GtkTargetList *target_list;
5835 GtkTargetEntry *targets;
5838 target_list = gtk_target_list_new (NULL, 0);
5839 gtk_target_list_add_text_targets (target_list, 0);
5840 targets = gtk_target_table_new_from_list (target_list, &n_targets);
5841 gtk_target_list_unref (target_list);
5843 if (!gtk_clipboard_set_with_owner (clipboard,
5845 ev_view_primary_get_cb,
5846 ev_view_primary_clear_cb,
5847 G_OBJECT (ev_view)))
5848 ev_view_primary_clear_cb (clipboard, ev_view);
5850 gtk_target_table_free (targets, n_targets);
5852 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
5853 gtk_clipboard_clear (clipboard);
5858 clear_link_selected (EvView *view)
5860 if (view->link_selected) {
5861 g_object_unref (view->link_selected);
5862 view->link_selected = NULL;
5867 ev_view_copy_link_address (EvView *view,
5868 EvLinkAction *action)
5870 clear_link_selected (view);
5872 ev_view_clipboard_copy (view, ev_link_action_get_uri (action));
5874 view->link_selected = g_object_ref (action);
5875 ev_view_update_primary_selection (view);
5878 /*** Cursor operations ***/
5880 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
5882 GdkCursor *cursor = NULL;
5884 GdkWindow *bin_window;
5886 if (view->cursor == new_cursor) {
5890 view->cursor = new_cursor;
5892 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
5893 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
5894 cursor = ev_view_cursor_new (gtk_widget_get_display (widget), new_cursor);
5895 gdk_window_set_cursor (bin_window, cursor);
5898 gdk_cursor_unref (cursor);
5902 ev_view_hide_cursor (EvView *view)
5904 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
5908 ev_view_show_cursor (EvView *view)
5910 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
5914 ev_view_next_page (EvView *view)
5918 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5920 if (!view->document)
5923 page = ev_document_model_get_page (view->model);
5924 n_pages = ev_document_get_n_pages (view->document);
5926 if (view->dual_page)
5931 if (page < n_pages) {
5932 ev_document_model_set_page (view->model, page);
5934 } else if (view->dual_page && page == n_pages) {
5935 ev_document_model_set_page (view->model, page - 1);
5943 ev_view_previous_page (EvView *view)
5947 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5949 if (!view->document)
5952 page = ev_document_model_get_page (view->model);
5954 if (view->dual_page)
5960 ev_document_model_set_page (view->model, page);
5962 } else if (view->dual_page && page == -1) {
5963 ev_document_model_set_page (view->model, 0);