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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, 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-document-transition.h"
37 #include "ev-pixbuf-cache.h"
38 #include "ev-page-cache.h"
39 #include "ev-transition-animation.h"
40 #include "ev-view-marshal.h"
41 #include "ev-document-annotations.h"
42 #include "ev-annotation-window.h"
44 #include "ev-view-accessible.h"
45 #include "ev-view-private.h"
46 #include "ev-view-type-builtins.h"
48 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
49 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
50 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
59 SIGNAL_BINDING_ACTIVATED,
72 static guint signals[N_SIGNALS];
77 } EvViewFindDirection;
79 #define ZOOM_IN_FACTOR 1.2
80 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
82 #define SCROLL_TIME 150
85 static void ev_view_set_scroll_adjustments (GtkLayout *layout,
86 GtkAdjustment *hadjustment,
87 GtkAdjustment *vadjustment);
88 static void view_update_range_and_current_page (EvView *view);
89 static void set_scroll_adjustment (EvView *view,
90 GtkOrientation orientation,
91 GtkAdjustment *adjustment);
92 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
94 GdkModifierType modifiers,
97 static void ensure_rectangle_is_visible (EvView *view,
100 /*** Geometry computations ***/
101 static void compute_border (EvView *view,
105 static void get_page_y_offset (EvView *view,
108 static gboolean get_page_extents (EvView *view,
110 GdkRectangle *page_area,
112 static void view_rect_to_doc_rect (EvView *view,
113 GdkRectangle *view_rect,
114 GdkRectangle *page_area,
115 EvRectangle *doc_rect);
116 static void doc_rect_to_view_rect (EvView *view,
118 EvRectangle *doc_rect,
119 GdkRectangle *view_rect);
120 static gboolean get_dual_even_left (EvView *view);
121 static void find_page_at_location (EvView *view,
127 static void doc_point_to_view_point (EvView *view,
130 GdkPoint *view_point);
132 static EvLink * ev_view_get_link_at_location (EvView *view,
135 static char* tip_from_link (EvView *view,
138 static EvFormField *ev_view_get_form_field_at_location (EvView *view,
142 /*** Annotations ***/
143 static EvAnnotation *ev_view_get_annotation_at_location (EvView *view,
146 static void show_annotation_windows (EvView *view,
148 static void hide_annotation_windows (EvView *view,
150 /*** GtkWidget implementation ***/
151 static void ev_view_size_request_continuous_dual_page (EvView *view,
152 GtkRequisition *requisition);
153 static void ev_view_size_request_continuous (EvView *view,
154 GtkRequisition *requisition);
155 static void ev_view_size_request_dual_page (EvView *view,
156 GtkRequisition *requisition);
157 static void ev_view_size_request_single_page (EvView *view,
158 GtkRequisition *requisition);
159 static void ev_view_size_request (GtkWidget *widget,
160 GtkRequisition *requisition);
161 static void ev_view_size_allocate (GtkWidget *widget,
162 GtkAllocation *allocation);
163 static void ev_view_realize (GtkWidget *widget);
164 static gboolean ev_view_scroll_event (GtkWidget *widget,
165 GdkEventScroll *event);
166 static gboolean ev_view_expose_event (GtkWidget *widget,
167 GdkEventExpose *event);
168 static gboolean ev_view_popup_menu (GtkWidget *widget);
169 static gboolean ev_view_button_press_event (GtkWidget *widget,
170 GdkEventButton *event);
171 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
172 GdkEventMotion *event);
173 static gboolean ev_view_button_release_event (GtkWidget *widget,
174 GdkEventButton *event);
175 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
176 GdkEventCrossing *event);
177 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
178 GdkEventCrossing *event);
179 static void ev_view_style_set (GtkWidget *widget,
180 GtkStyle *old_style);
181 static void ev_view_remove_all (EvView *view);
183 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
186 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
187 static void draw_rubberband (GtkWidget *widget,
189 const GdkRectangle *rect,
191 static void highlight_find_results (EvView *view,
193 static void draw_one_page (EvView *view,
196 GdkRectangle *page_area,
198 GdkRectangle *expose_area,
199 gboolean *page_ready);
200 static void draw_loading_text (EvView *view,
201 GdkRectangle *page_area,
202 GdkRectangle *expose_area);
203 static void ev_view_reload_page (EvView *view,
208 static void ev_view_change_page (EvView *view,
210 gboolean start_transition);
211 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
214 static void ev_view_page_changed_cb (EvDocumentModel *model,
218 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
222 static void ev_view_finalize (GObject *object);
223 static void ev_view_destroy (GtkObject *object);
224 static void ev_view_set_property (GObject *object,
228 static void ev_view_get_property (GObject *object,
232 static void ev_view_class_init (EvViewClass *class);
233 static void ev_view_init (EvView *view);
235 /*** Zoom and sizing ***/
236 static double zoom_for_size_fit_width (gdouble doc_width,
240 static double zoom_for_size_fit_height (gdouble doc_width,
244 static double zoom_for_size_best_fit (gdouble doc_width,
248 static void ev_view_zoom_for_size (EvView *view,
251 static void ev_view_zoom_for_size_presentation (EvView *view,
254 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
257 static void ev_view_zoom_for_size_continuous (EvView *view,
260 static void ev_view_zoom_for_size_dual_page (EvView *view,
263 static void ev_view_zoom_for_size_single_page (EvView *view,
267 static GdkCursor* ev_view_create_invisible_cursor (void);
268 static void ev_view_set_cursor (EvView *view,
269 EvViewCursor new_cursor);
270 static void ev_view_handle_cursor_over_xy (EvView *view,
275 static gint ev_view_find_get_n_results (EvView *view,
277 static EvRectangle *ev_view_find_get_result (EvView *view,
280 static void jump_to_find_result (EvView *view);
281 static void jump_to_find_page (EvView *view,
282 EvViewFindDirection direction,
286 static void compute_selections (EvView *view,
287 EvSelectionStyle style,
290 static void clear_selection (EvView *view);
291 static void clear_link_selected (EvView *view);
292 static void selection_free (EvViewSelection *selection);
293 static char* get_selected_text (EvView *ev_view);
294 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
295 GtkSelectionData *selection_data,
298 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
300 static void ev_view_update_primary_selection (EvView *ev_view);
302 /*** Presentation ***/
303 static void ev_view_presentation_transition_start (EvView *ev_view);
304 static void ev_view_presentation_transition_stop (EvView *ev_view);
307 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_LAYOUT)
309 /* HeightToPage cache */
310 #define EV_HEIGHT_TO_PAGE_CACHE_KEY "ev-height-to-page-cache"
313 build_height_to_page (EvHeightToPageCache *cache,
314 EvDocument *document,
317 gboolean swap, uniform, dual_even_left;
319 double uniform_height, page_height, next_page_height;
321 gdouble u_width, u_height;
324 swap = (rotation == 90 || rotation == 270);
326 uniform = ev_document_is_page_size_uniform (document);
327 n_pages = ev_document_get_n_pages (document);
328 dual_even_left = (n_pages > 2);
330 g_free (cache->height_to_page);
331 g_free (cache->dual_height_to_page);
333 cache->rotation = rotation;
334 cache->height_to_page = g_new0 (gdouble, n_pages + 1);
335 cache->dual_height_to_page = g_new0 (gdouble, n_pages + 2);
338 ev_document_get_page_size (document, 0, &u_width, &u_height);
341 for (i = 0; i <= n_pages; i++) {
343 uniform_height = swap ? u_width : u_height;
344 cache->height_to_page[i] = i * uniform_height;
349 ev_document_get_page_size (document, i, &w, &h);
350 page_height = swap ? w : h;
354 cache->height_to_page[i] = saved_height;
355 saved_height += page_height;
359 if (dual_even_left && !uniform) {
362 ev_document_get_page_size (document, 0, &w, &h);
363 saved_height = swap ? w : h;
368 for (i = dual_even_left; i < n_pages + 2; i += 2) {
370 uniform_height = swap ? u_width : u_height;
371 cache->dual_height_to_page[i] = ((i + dual_even_left) / 2) * uniform_height;
372 if (i + 1 < n_pages + 2)
373 cache->dual_height_to_page[i + 1] = ((i + dual_even_left) / 2) * uniform_height;
375 if (i + 1 < n_pages) {
378 ev_document_get_page_size (document, i + 1, &w, &h);
379 next_page_height = swap ? w : h;
381 next_page_height = 0;
387 ev_document_get_page_size (document, i, &w, &h);
388 page_height = swap ? w : h;
393 if (i + 1 < n_pages + 2) {
394 cache->dual_height_to_page[i] = saved_height;
395 cache->dual_height_to_page[i + 1] = saved_height;
396 saved_height += MAX(page_height, next_page_height);
398 cache->dual_height_to_page[i] = saved_height;
405 ev_height_to_page_cache_get_height (EvHeightToPageCache *cache,
406 EvDocument *document,
410 gdouble *dual_height)
412 if (cache->rotation != rotation)
413 build_height_to_page (cache, document, rotation);
415 *height = cache->height_to_page[page];
416 *dual_height = cache->dual_height_to_page[page];
420 ev_height_to_page_cache_free (EvHeightToPageCache *cache)
422 if (cache->height_to_page) {
423 g_free (cache->height_to_page);
424 cache->height_to_page = NULL;
427 if (cache->dual_height_to_page) {
428 g_free (cache->dual_height_to_page);
429 cache->dual_height_to_page = NULL;
434 static EvHeightToPageCache *
435 ev_view_get_height_to_page_cache (EvView *view)
437 EvHeightToPageCache *cache;
442 cache = g_object_get_data (G_OBJECT (view->document), EV_HEIGHT_TO_PAGE_CACHE_KEY);
444 cache = g_new0 (EvHeightToPageCache, 1);
445 build_height_to_page (cache, view->document, view->rotation);
446 g_object_set_data_full (G_OBJECT (view->document),
447 EV_HEIGHT_TO_PAGE_CACHE_KEY,
449 (GDestroyNotify)ev_height_to_page_cache_free);
456 ev_view_get_height_to_page (EvView *view,
463 if (!view->height_to_page_cache)
466 ev_height_to_page_cache_get_height (view->height_to_page_cache,
472 *height = (gint)(h * view->scale + 0.5);
475 *dual_height = (gint)(dh * view->scale + 0.5);
479 ev_view_get_scrollbar_size (EvView *view,
480 GtkOrientation orientation)
482 GtkWidget *widget = GTK_WIDGET (view);
484 GtkWidget *swindow = gtk_widget_get_parent (GTK_WIDGET (view));
488 if (!GTK_IS_SCROLLED_WINDOW (swindow))
491 if (orientation == GTK_ORIENTATION_VERTICAL) {
492 if (widget->allocation.height >= widget->requisition.height)
493 sb = gtk_scrolled_window_get_vscrollbar (GTK_SCROLLED_WINDOW (swindow));
497 if (widget->allocation.width >= widget->requisition.width)
498 sb = gtk_scrolled_window_get_hscrollbar (GTK_SCROLLED_WINDOW (swindow));
503 gtk_widget_style_get (swindow, "scrollbar_spacing", &spacing, NULL);
504 gtk_widget_size_request (sb, &req);
506 return (orientation == GTK_ORIENTATION_VERTICAL ? req.width : req.height) + spacing;
510 scroll_to_point (EvView *view,
513 GtkOrientation orientation)
515 if (orientation == GTK_ORIENTATION_VERTICAL) {
516 if (view->continuous) {
517 gtk_adjustment_clamp_page (view->vadjustment,
518 y - view->spacing / 2,
519 y + view->vadjustment->page_size);
521 gtk_adjustment_set_value (view->vadjustment,
523 view->vadjustment->lower,
524 view->vadjustment->upper -
525 view->vadjustment->page_size));
528 if (view->dual_page) {
529 gtk_adjustment_clamp_page (view->hadjustment, x,
530 x + view->hadjustment->page_size);
532 gtk_adjustment_set_value (view->hadjustment,
534 view->hadjustment->lower,
535 view->hadjustment->upper -
536 view->hadjustment->page_size));
542 ev_view_scroll_to_page_position (EvView *view, GtkOrientation orientation)
549 if ((orientation == GTK_ORIENTATION_VERTICAL && view->pending_point.y == 0) ||
550 (orientation == GTK_ORIENTATION_HORIZONTAL && view->pending_point.x == 0)) {
551 GdkRectangle page_area;
554 get_page_extents (view, view->current_page, &page_area, &border);
560 doc_point_to_view_point (view, view->current_page,
561 &view->pending_point, &view_point);
566 scroll_to_point (view, x, y, orientation);
570 view_set_adjustment_values (EvView *view,
571 GtkOrientation orientation)
573 GtkWidget *widget = GTK_WIDGET (view);
574 GtkAdjustment *adjustment;
581 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
582 requisition = widget->requisition.width;
583 allocation = widget->allocation.width;
584 adjustment = view->hadjustment;
586 requisition = widget->requisition.height;
587 allocation = widget->allocation.height;
588 adjustment = view->vadjustment;
595 switch (view->pending_scroll) {
596 case SCROLL_TO_KEEP_POSITION:
597 case SCROLL_TO_FIND_LOCATION:
598 factor = (adjustment->value) / adjustment->upper;
600 case SCROLL_TO_PAGE_POSITION:
602 case SCROLL_TO_CENTER:
603 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
607 adjustment->page_size = allocation;
608 adjustment->step_increment = allocation * 0.1;
609 adjustment->page_increment = allocation * 0.9;
610 adjustment->lower = 0;
611 adjustment->upper = MAX (allocation, requisition);
614 * We add 0.5 to the values before to average out our rounding errors.
616 switch (view->pending_scroll) {
617 case SCROLL_TO_KEEP_POSITION:
618 case SCROLL_TO_FIND_LOCATION:
619 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
620 gtk_adjustment_set_value (adjustment, (int)new_value);
622 case SCROLL_TO_PAGE_POSITION:
623 ev_view_scroll_to_page_position (view, orientation);
625 case SCROLL_TO_CENTER:
626 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
627 0, adjustment->upper - adjustment->page_size);
628 gtk_adjustment_set_value (adjustment, (int)new_value);
632 gtk_adjustment_changed (adjustment);
636 view_update_range_and_current_page (EvView *view)
638 gint start = view->start_page;
639 gint end = view->end_page;
641 /* Presentation trumps all other modes */
642 if (view->presentation) {
643 view->start_page = view->current_page;
644 view->end_page = view->current_page;
645 } else if (view->continuous) {
646 GdkRectangle current_area, unused, page_area;
648 gboolean found = FALSE;
649 gint area_max = -1, area;
650 gint best_current_page = -1;
653 if (!(view->vadjustment && view->hadjustment))
656 current_area.x = view->hadjustment->value;
657 current_area.width = view->hadjustment->page_size;
658 current_area.y = view->vadjustment->value;
659 current_area.height = view->vadjustment->page_size;
661 for (i = 0; i < ev_document_get_n_pages (view->document); i++) {
663 get_page_extents (view, i, &page_area, &border);
665 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
666 area = unused.width * unused.height;
670 view->start_page = i;
672 best_current_page = i;
674 if (area > area_max) {
675 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
681 } else if (found && view->current_page <= view->end_page) {
682 if (view->dual_page && j < 1) {
683 /* In dual mode we stop searching
684 * after two consecutive non-visible pages.
693 if (view->pending_scroll == SCROLL_TO_KEEP_POSITION) {
694 best_current_page = MAX (best_current_page, view->start_page);
696 if (view->current_page != best_current_page) {
697 view->current_page = best_current_page;
698 ev_document_model_set_page (view->model, best_current_page);
701 } else if (view->dual_page) {
702 if (view->current_page % 2 == get_dual_even_left (view)) {
703 view->start_page = view->current_page;
704 if (view->current_page + 1 < ev_document_get_n_pages (view->document))
705 view->end_page = view->start_page + 1;
707 view->end_page = view->start_page;
709 if (view->current_page < 1)
710 view->start_page = view->current_page;
712 view->start_page = view->current_page - 1;
713 view->end_page = view->current_page;
716 view->start_page = view->current_page;
717 view->end_page = view->current_page;
720 if (start != view->start_page || end != view->end_page) {
723 for (i = start; i < view->start_page && start != -1; i++) {
724 hide_annotation_windows (view, i);
727 for (i = end; i > view->end_page && end != -1; i--) {
728 hide_annotation_windows (view, i);
732 ev_page_cache_set_page_range (view->page_cache,
735 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
740 view->selection_info.selections);
742 if (ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page))
743 gtk_widget_queue_draw (GTK_WIDGET (view));
747 set_scroll_adjustment (EvView *view,
748 GtkOrientation orientation,
749 GtkAdjustment *adjustment)
751 GtkAdjustment **to_set;
753 if (orientation == GTK_ORIENTATION_HORIZONTAL)
754 to_set = &view->hadjustment;
756 to_set = &view->vadjustment;
758 if (*to_set != adjustment) {
760 g_signal_handlers_disconnect_by_func (*to_set,
761 (gpointer) on_adjustment_value_changed,
763 g_object_unref (*to_set);
766 *to_set = adjustment;
767 view_set_adjustment_values (view, orientation);
770 g_object_ref (*to_set);
771 g_signal_connect (*to_set, "value_changed",
772 G_CALLBACK (on_adjustment_value_changed), view);
778 ev_view_set_scroll_adjustments (GtkLayout *layout,
779 GtkAdjustment *hadjustment,
780 GtkAdjustment *vadjustment)
782 EvView *view = EV_VIEW (layout);
784 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
785 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
787 on_adjustment_value_changed (NULL, view);
791 add_scroll_binding_keypad (GtkBindingSet *binding_set,
793 GdkModifierType modifiers,
794 GtkScrollType scroll,
797 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
799 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
800 "binding_activated", 2,
801 GTK_TYPE_SCROLL_TYPE, scroll,
802 G_TYPE_BOOLEAN, horizontal);
803 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
804 "binding_activated", 2,
805 GTK_TYPE_SCROLL_TYPE, scroll,
806 G_TYPE_BOOLEAN, horizontal);
810 compute_scroll_increment (EvView *view,
811 GtkScrollType scroll)
813 GtkWidget *widget = GTK_WIDGET (view);
814 GtkAdjustment *adjustment = view->vadjustment;
815 GdkRegion *text_region, *region;
818 EvRectangle doc_rect;
819 GdkRectangle page_area;
823 gdouble fraction = 1.0;
825 if (scroll != GTK_SCROLL_PAGE_BACKWARD && scroll != GTK_SCROLL_PAGE_FORWARD)
826 return adjustment->page_size;
828 page = scroll == GTK_SCROLL_PAGE_BACKWARD ? view->start_page : view->end_page;
830 text_region = ev_page_cache_get_text_mapping (view->page_cache, page);
831 if (!text_region || gdk_region_empty (text_region))
832 return adjustment->page_size;
834 get_page_extents (view, page, &page_area, &border);
835 rect.x = page_area.x + view->scroll_x;
836 rect.y = view->scroll_y + (scroll == GTK_SCROLL_PAGE_BACKWARD ? 5 : widget->allocation.height - 5);
837 rect.width = page_area.width;
839 view_rect_to_doc_rect (view, &rect, &page_area, &doc_rect);
841 /* Convert the doc rectangle into a GdkRectangle */
842 rect.x = doc_rect.x1;
843 rect.y = doc_rect.y1;
844 rect.width = doc_rect.x2 - doc_rect.x1;
845 rect.height = MAX (1, doc_rect.y2 - doc_rect.y1);
846 region = gdk_region_rectangle (&rect);
848 gdk_region_intersect (region, text_region);
849 gdk_region_get_rectangles (region, &recs, &n_recs);
850 gdk_region_destroy (region);
855 ev_page = ev_document_get_page (view->document, page);
856 rc = ev_render_context_new (ev_page, view->rotation, view->scale);
857 g_object_unref (ev_page);
858 /* Get the selection region to know the height of the line */
859 doc_rect.x1 = doc_rect.x2 = recs[0].x + 0.5;
860 doc_rect.y1 = doc_rect.y2 = recs[0].y + 0.5;
862 ev_document_doc_mutex_lock ();
863 region = ev_selection_get_selection_region (EV_SELECTION (view->document),
864 rc, EV_SELECTION_STYLE_LINE,
866 ev_document_doc_mutex_unlock ();
870 gdk_region_get_rectangles (region, &recs, &n_recs);
871 gdk_region_destroy (region);
873 fraction = 1 - (recs[0].height / adjustment->page_size);
878 return adjustment->page_size * fraction;
883 ev_view_scroll (EvView *view,
884 GtkScrollType scroll,
887 GtkAdjustment *adjustment;
888 double value, increment;
889 gboolean first_page = FALSE;
890 gboolean last_page = FALSE;
892 view->jump_to_find_result = FALSE;
894 if (view->presentation || view->sizing_mode == EV_SIZING_BEST_FIT) {
896 case GTK_SCROLL_PAGE_BACKWARD:
897 case GTK_SCROLL_STEP_BACKWARD:
898 ev_view_previous_page (view);
900 case GTK_SCROLL_PAGE_FORWARD:
901 case GTK_SCROLL_STEP_FORWARD:
902 ev_view_next_page (view);
910 /* Assign values for increment and vertical adjustment */
911 adjustment = horizontal ? view->hadjustment : view->vadjustment;
912 value = adjustment->value;
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 == (adjustment->lower) && first_page) {
925 /* At the top of a page, assign the upper bound limit of previous page */
926 } else if (value == (adjustment->lower)) {
927 value = adjustment->upper - adjustment->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, adjustment->lower);
935 case GTK_SCROLL_PAGE_FORWARD:
936 /* Do not jump forward if at the last page */
937 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
939 /* At the bottom of a page, assign the lower bound limit of next page */
940 } else if (value == (adjustment->upper - adjustment->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, adjustment->upper - adjustment->page_size);
949 case GTK_SCROLL_STEP_BACKWARD:
950 value -= adjustment->step_increment;
952 case GTK_SCROLL_STEP_FORWARD:
953 value += adjustment->step_increment;
955 case GTK_SCROLL_STEP_DOWN:
956 value -= adjustment->step_increment / 10;
958 case GTK_SCROLL_STEP_UP:
959 value += adjustment->step_increment / 10;
965 value = CLAMP (value, adjustment->lower,
966 adjustment->upper - adjustment->page_size);
968 gtk_adjustment_set_value (adjustment, value);
974 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
976 GtkWidget *widget = GTK_WIDGET (view);
977 GtkAdjustment *adjustment;
980 view->pending_scroll = SCROLL_TO_FIND_LOCATION;
982 adjustment = view->vadjustment;
984 if (rect->y < adjustment->value) {
985 value = MAX (adjustment->lower, rect->y - MARGIN);
986 gtk_adjustment_set_value (view->vadjustment, value);
987 } else if (rect->y + rect->height >
988 adjustment->value + widget->allocation.height) {
989 value = MIN (adjustment->upper, rect->y + rect->height -
990 widget->allocation.height + MARGIN);
991 gtk_adjustment_set_value (view->vadjustment, value);
994 adjustment = view->hadjustment;
996 if (rect->x < adjustment->value) {
997 value = MAX (adjustment->lower, rect->x - MARGIN);
998 gtk_adjustment_set_value (view->hadjustment, value);
999 } else if (rect->x + rect->height >
1000 adjustment->value + widget->allocation.width) {
1001 value = MIN (adjustment->upper, rect->x + rect->width -
1002 widget->allocation.width + MARGIN);
1003 gtk_adjustment_set_value (view->hadjustment, value);
1006 gtk_widget_queue_resize (GTK_WIDGET (view));
1009 /*** Geometry computations ***/
1012 compute_border (EvView *view, int width, int height, GtkBorder *border)
1014 if (view->presentation) {
1020 ev_document_misc_get_page_border_size (width, height, border);
1025 _get_page_size_for_scale_and_rotation (EvDocument *document,
1035 ev_document_get_page_size (document, page, &w, &h);
1037 width = (gint)(w * scale + 0.5);
1038 height = (gint)(h * scale + 0.5);
1041 *page_width = (rotation == 0 || rotation == 180) ? width : height;
1043 *page_height = (rotation == 0 || rotation == 180) ? height : width;
1047 ev_view_get_page_size (EvView *view,
1052 _get_page_size_for_scale_and_rotation (view->document,
1061 ev_view_get_max_page_size (EvView *view,
1068 ev_document_get_max_page_size (view->document, &w, &h);
1070 width = (gint)(w * view->scale + 0.5);
1071 height = (gint)(h * view->scale + 0.5);
1074 *max_width = (view->rotation == 0 || view->rotation == 180) ? width : height;
1076 *max_height = (view->rotation == 0 || view->rotation == 180) ? height : width;
1080 get_page_y_offset (EvView *view, int page, int *y_offset)
1082 int max_width, offset;
1085 g_return_if_fail (y_offset != NULL);
1087 ev_view_get_max_page_size (view, &max_width, NULL);
1088 compute_border (view, max_width, max_width, &border);
1090 if (view->dual_page) {
1091 ev_view_get_height_to_page (view, page, NULL, &offset);
1092 offset += ((page + get_dual_even_left (view)) / 2 + 1) * view->spacing +
1093 ((page + get_dual_even_left (view)) / 2 ) * (border.top + border.bottom);
1095 ev_view_get_height_to_page (view, page, &offset, NULL);
1096 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
1104 get_page_extents (EvView *view,
1106 GdkRectangle *page_area,
1112 widget = GTK_WIDGET (view);
1114 /* Get the size of the page */
1115 ev_view_get_page_size (view, page, &width, &height);
1116 compute_border (view, width, height, border);
1117 page_area->width = width + border->left + border->right;
1118 page_area->height = height + border->top + border->bottom;
1120 if (view->presentation) {
1121 page_area->x = (MAX (0, widget->allocation.width - width))/2;
1122 page_area->y = (MAX (0, widget->allocation.height - height))/2;
1123 } else if (view->continuous) {
1127 ev_view_get_max_page_size (view, &max_width, NULL);
1128 max_width = max_width + border->left + border->right;
1129 /* Get the location of the bounding box */
1130 if (view->dual_page) {
1131 x = view->spacing + ((page % 2 == get_dual_even_left (view)) ? 0 : 1) * (max_width + view->spacing);
1132 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
1133 if (page % 2 == get_dual_even_left (view))
1134 x = x + (max_width - width - border->left - border->right);
1137 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
1140 get_page_y_offset (view, page, &y);
1146 if (view->dual_page) {
1147 gint width_2, height_2;
1148 gint max_width = width;
1149 gint max_height = height;
1150 GtkBorder overall_border;
1153 other_page = (page % 2 == get_dual_even_left (view)) ? page + 1: page - 1;
1155 /* First, we get the bounding box of the two pages */
1156 if (other_page < ev_document_get_n_pages (view->document)
1157 && (0 <= other_page)) {
1158 ev_view_get_page_size (view, other_page,
1159 &width_2, &height_2);
1160 if (width_2 > width)
1161 max_width = width_2;
1162 if (height_2 > height)
1163 max_height = height_2;
1165 compute_border (view, max_width, max_height, &overall_border);
1167 /* Find the offsets */
1171 /* Adjust for being the left or right page */
1172 if (page % 2 == get_dual_even_left (view))
1173 x = x + max_width - width;
1175 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
1177 y = y + (max_height - height)/2;
1179 /* Adjust for extra allocation */
1180 x = x + MAX (0, widget->allocation.width -
1181 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
1182 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
1187 /* Adjust for extra allocation */
1188 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
1189 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
1200 get_doc_page_size (EvView *view,
1207 ev_document_get_page_size (view->document, page, &w, &h);
1208 if (view->rotation == 0 || view->rotation == 180) {
1209 if (width) *width = w;
1210 if (height) *height = h;
1212 if (width) *width = h;
1213 if (height) *height = w;
1218 view_point_to_doc_point (EvView *view,
1219 GdkPoint *view_point,
1220 GdkRectangle *page_area,
1221 double *doc_point_x,
1222 double *doc_point_y)
1224 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
1225 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
1229 view_rect_to_doc_rect (EvView *view,
1230 GdkRectangle *view_rect,
1231 GdkRectangle *page_area,
1232 EvRectangle *doc_rect)
1234 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
1235 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
1236 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
1237 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
1241 doc_point_to_view_point (EvView *view,
1244 GdkPoint *view_point)
1246 GdkRectangle page_area;
1248 double x, y, view_x, view_y;
1249 gdouble width, height;
1251 get_doc_page_size (view, page, &width, &height);
1253 if (view->rotation == 0) {
1256 } else if (view->rotation == 90) {
1257 x = width - doc_point->y;
1259 } else if (view->rotation == 180) {
1260 x = width - doc_point->x;
1261 y = height - doc_point->y;
1262 } else if (view->rotation == 270) {
1264 y = height - doc_point->x;
1266 g_assert_not_reached ();
1269 get_page_extents (view, page, &page_area, &border);
1271 view_x = CLAMP (x * view->scale, 0, page_area.width);
1272 view_y = CLAMP (y * view->scale, 0, page_area.height);
1273 view_point->x = view_x + page_area.x;
1274 view_point->y = view_y + page_area.y;
1278 doc_rect_to_view_rect (EvView *view,
1280 EvRectangle *doc_rect,
1281 GdkRectangle *view_rect)
1283 GdkRectangle page_area;
1286 gdouble width, height;
1288 get_doc_page_size (view, page, &width, &height);
1290 if (view->rotation == 0) {
1293 w = doc_rect->x2 - doc_rect->x1;
1294 h = doc_rect->y2 - doc_rect->y1;
1295 } else if (view->rotation == 90) {
1296 x = width - doc_rect->y2;
1298 w = doc_rect->y2 - doc_rect->y1;
1299 h = doc_rect->x2 - doc_rect->x1;
1300 } else if (view->rotation == 180) {
1301 x = width - doc_rect->x2;
1302 y = height - doc_rect->y2;
1303 w = doc_rect->x2 - doc_rect->x1;
1304 h = doc_rect->y2 - doc_rect->y1;
1305 } else if (view->rotation == 270) {
1307 y = height - doc_rect->x2;
1308 w = doc_rect->y2 - doc_rect->y1;
1309 h = doc_rect->x2 - doc_rect->x1;
1311 g_assert_not_reached ();
1314 get_page_extents (view, page, &page_area, &border);
1316 view_rect->x = x * view->scale + page_area.x;
1317 view_rect->y = y * view->scale + page_area.y;
1318 view_rect->width = w * view->scale;
1319 view_rect->height = h * view->scale;
1323 get_dual_even_left (EvView *view)
1325 return (ev_document_get_n_pages (view->document) > 2);
1329 find_page_at_location (EvView *view,
1338 if (view->document == NULL)
1342 g_assert (x_offset);
1343 g_assert (y_offset);
1345 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
1346 GdkRectangle page_area;
1349 if (! get_page_extents (view, i, &page_area, &border))
1352 if ((x >= page_area.x + border.left) &&
1353 (x < page_area.x + page_area.width - border.right) &&
1354 (y >= page_area.y + border.top) &&
1355 (y < page_area.y + page_area.height - border.bottom)) {
1357 *x_offset = x - (page_area.x + border.left);
1358 *y_offset = y - (page_area.y + border.top);
1367 location_in_text (EvView *view,
1373 gint x_offset = 0, y_offset = 0;
1375 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1380 region = ev_page_cache_get_text_mapping (view->page_cache, page);
1383 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1389 ev_view_get_width (EvView *view)
1391 return GTK_WIDGET (view)->allocation.width;
1395 ev_view_get_height (EvView *view)
1397 return GTK_WIDGET (view)->allocation.height;
1401 location_in_selected_text (EvView *view,
1406 gint x_offset = 0, y_offset = 0;
1407 EvViewSelection *selection;
1410 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1411 selection = (EvViewSelection *)l->data;
1413 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1415 if (page != selection->page)
1418 if (selection->covered_region &&
1419 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1427 get_doc_point_from_offset (EvView *view,
1434 gdouble width, height;
1437 get_doc_page_size (view, page, &width, &height);
1439 x_offset = x_offset / view->scale;
1440 y_offset = y_offset / view->scale;
1442 if (view->rotation == 0) {
1445 } else if (view->rotation == 90) {
1447 y = width - x_offset;
1448 } else if (view->rotation == 180) {
1449 x = width - x_offset;
1450 y = height - y_offset;
1451 } else if (view->rotation == 270) {
1452 x = height - y_offset;
1455 g_assert_not_reached ();
1465 get_doc_point_from_location (EvView *view,
1472 gint x_offset = 0, y_offset = 0;
1474 x += view->scroll_x;
1475 y += view->scroll_y;
1476 find_page_at_location (view, x, y, page, &x_offset, &y_offset);
1480 return get_doc_point_from_offset (view, *page, x_offset, y_offset, x_new, y_new);
1484 ev_view_get_area_from_mapping (EvView *view,
1486 GList *mapping_list,
1492 mapping = ev_mapping_list_find (mapping_list, data);
1493 doc_rect_to_view_rect (view, page, &mapping->area, area);
1494 area->x -= view->scroll_x;
1495 area->y -= view->scroll_y;
1501 ev_view_get_link_at_location (EvView *view,
1506 gint x_new = 0, y_new = 0;
1507 GList *link_mapping;
1509 if (!EV_IS_DOCUMENT_LINKS (view->document))
1512 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1515 link_mapping = ev_page_cache_get_link_mapping (view->page_cache, page);
1518 return ev_mapping_list_get_data (link_mapping, x_new, y_new);
1524 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1527 gdouble zoom, left, top;
1528 gboolean change_left, change_top;
1530 left = ev_link_dest_get_left (dest, &change_left);
1531 top = ev_link_dest_get_top (dest, &change_top);
1533 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - left,
1534 ev_link_dest_get_bottom (dest) - top,
1535 ev_view_get_width (view),
1536 ev_view_get_height (view));
1538 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1539 ev_document_model_set_scale (view->model, zoom);
1541 doc_point.x = change_left ? left : 0;
1542 doc_point.y = change_top ? top : 0;
1543 view->pending_point = doc_point;
1545 ev_view_change_page (view, ev_link_dest_get_page (dest), TRUE);
1549 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1552 gdouble doc_width, doc_height;
1555 gboolean change_left;
1557 page = ev_link_dest_get_page (dest);
1558 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1560 left = ev_link_dest_get_left (dest, &change_left);
1561 doc_point.x = change_left ? left : 0;
1564 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1565 ev_view_get_width (view),
1566 ev_view_get_height (view));
1568 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1569 ev_document_model_set_scale (view->model, zoom);
1571 view->pending_point = doc_point;
1573 ev_view_change_page (view, page, TRUE);
1577 goto_fith_dest (EvView *view, EvLinkDest *dest)
1580 gdouble doc_width, doc_height;
1583 gboolean change_top;
1585 page = ev_link_dest_get_page (dest);
1586 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1588 top = ev_link_dest_get_top (dest, &change_top);
1591 doc_point.y = change_top ? top : 0;
1593 zoom = zoom_for_size_fit_width (doc_width, top,
1594 ev_view_get_width (view),
1595 ev_view_get_height (view));
1597 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FIT_WIDTH);
1598 ev_document_model_set_scale (view->model, zoom);
1600 view->pending_point = doc_point;
1602 ev_view_change_page (view, page, TRUE);
1606 goto_fit_dest (EvView *view, EvLinkDest *dest)
1609 gdouble doc_width, doc_height;
1612 page = ev_link_dest_get_page (dest);
1613 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1615 zoom = zoom_for_size_best_fit (doc_width, doc_height,
1616 ev_view_get_width (view),
1617 ev_view_get_height (view));
1619 ev_document_model_set_sizing_mode (view->model, EV_SIZING_BEST_FIT);
1620 ev_document_model_set_scale (view->model, zoom);
1622 ev_view_change_page (view, page, TRUE);
1626 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1630 gdouble zoom, left, top;
1631 gboolean change_zoom, change_left, change_top;
1633 zoom = ev_link_dest_get_zoom (dest, &change_zoom);
1634 page = ev_link_dest_get_page (dest);
1636 if (change_zoom && zoom > 1) {
1637 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1638 ev_document_model_set_scale (view->model, zoom);
1641 left = ev_link_dest_get_left (dest, &change_left);
1642 top = ev_link_dest_get_top (dest, &change_top);
1644 doc_point.x = change_left ? left : 0;
1645 doc_point.y = change_top ? top : 0;
1646 view->pending_point = doc_point;
1648 ev_view_change_page (view, page, TRUE);
1652 goto_dest (EvView *view, EvLinkDest *dest)
1654 EvLinkDestType type;
1655 int page, n_pages, current_page;
1657 page = ev_link_dest_get_page (dest);
1658 n_pages = ev_document_get_n_pages (view->document);
1660 if (page < 0 || page >= n_pages)
1663 current_page = view->current_page;
1665 type = ev_link_dest_get_dest_type (dest);
1668 case EV_LINK_DEST_TYPE_PAGE:
1669 ev_document_model_set_page (view->model, page);
1671 case EV_LINK_DEST_TYPE_FIT:
1672 goto_fit_dest (view, dest);
1674 case EV_LINK_DEST_TYPE_FITH:
1675 goto_fith_dest (view, dest);
1677 case EV_LINK_DEST_TYPE_FITV:
1678 goto_fitv_dest (view, dest);
1680 case EV_LINK_DEST_TYPE_FITR:
1681 goto_fitr_dest (view, dest);
1683 case EV_LINK_DEST_TYPE_XYZ:
1684 goto_xyz_dest (view, dest);
1686 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1687 ev_document_model_set_page_by_label (view->model, ev_link_dest_get_page_label (dest));
1690 g_assert_not_reached ();
1693 if (current_page != view->current_page)
1694 ev_document_model_set_page (view->model, view->current_page);
1698 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1700 EvLinkDestType type;
1702 type = ev_link_dest_get_dest_type (dest);
1704 if (type == EV_LINK_DEST_TYPE_NAMED) {
1706 const gchar *named_dest;
1708 named_dest = ev_link_dest_get_named_dest (dest);
1709 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1712 goto_dest (view, dest2);
1713 g_object_unref (dest2);
1719 goto_dest (view, dest);
1723 ev_view_handle_link (EvView *view, EvLink *link)
1725 EvLinkAction *action = NULL;
1726 EvLinkActionType type;
1728 action = ev_link_get_action (link);
1732 type = ev_link_action_get_action_type (action);
1735 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1738 g_signal_emit (view, signals[SIGNAL_HANDLE_LINK], 0, link);
1740 dest = ev_link_action_get_dest (action);
1741 ev_view_goto_dest (view, dest);
1744 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1745 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1746 case EV_LINK_ACTION_TYPE_LAUNCH:
1747 case EV_LINK_ACTION_TYPE_NAMED:
1748 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1754 ev_view_page_label_from_dest (EvView *view, EvLinkDest *dest)
1756 EvLinkDestType type;
1759 type = ev_link_dest_get_dest_type (dest);
1762 case EV_LINK_DEST_TYPE_NAMED: {
1764 const gchar *named_dest;
1766 named_dest = ev_link_dest_get_named_dest (dest);
1767 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1770 msg = ev_document_get_page_label (view->document,
1771 ev_link_dest_get_page (dest2));
1772 g_object_unref (dest2);
1777 case EV_LINK_DEST_TYPE_PAGE_LABEL: {
1778 msg = g_strdup (ev_link_dest_get_page_label (dest));
1782 msg = ev_document_get_page_label (view->document,
1783 ev_link_dest_get_page (dest));
1790 tip_from_action_named (EvLinkAction *action)
1792 const gchar *name = ev_link_action_get_name (action);
1794 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1795 return g_strdup (_("Go to first page"));
1796 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1797 return g_strdup (_("Go to previous page"));
1798 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1799 return g_strdup (_("Go to next page"));
1800 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1801 return g_strdup (_("Go to last page"));
1802 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1803 return g_strdup (_("Go to page"));
1804 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1805 return g_strdup (_("Find"));
1812 tip_from_link (EvView *view, EvLink *link)
1814 EvLinkAction *action;
1815 EvLinkActionType type;
1820 action = ev_link_get_action (link);
1821 title = ev_link_get_title (link);
1824 return title ? g_strdup (title) : NULL;
1826 type = ev_link_action_get_action_type (action);
1829 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1830 page_label = ev_view_page_label_from_dest (view,
1831 ev_link_action_get_dest (action));
1833 msg = g_strdup_printf (_("Go to page %s"), page_label);
1834 g_free (page_label);
1837 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1839 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1840 ev_link_action_get_filename (action));
1842 msg = g_strdup_printf (_("Go to file “%s”"),
1843 ev_link_action_get_filename (action));
1846 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1847 msg = g_strdup (ev_link_action_get_uri (action));
1849 case EV_LINK_ACTION_TYPE_LAUNCH:
1850 msg = g_strdup_printf (_("Launch %s"),
1851 ev_link_action_get_filename (action));
1853 case EV_LINK_ACTION_TYPE_NAMED:
1854 msg = tip_from_action_named (action);
1858 msg = g_strdup (title);
1866 ev_view_handle_cursor_over_xy (EvView *view, gint x, gint y)
1870 EvAnnotation *annot = NULL;
1872 if (view->cursor == EV_VIEW_CURSOR_HIDDEN)
1875 if (view->drag_info.in_drag) {
1876 if (view->cursor != EV_VIEW_CURSOR_DRAG)
1877 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1881 if (view->scroll_info.autoscrolling) {
1882 if (view->cursor != EV_VIEW_CURSOR_AUTOSCROLL)
1883 ev_view_set_cursor (view, EV_VIEW_CURSOR_AUTOSCROLL);
1887 link = ev_view_get_link_at_location (view, x, y);
1889 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1890 } else if ((field = ev_view_get_form_field_at_location (view, x, y))) {
1891 if (field->is_read_only) {
1892 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1893 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1894 view->cursor == EV_VIEW_CURSOR_DRAG)
1895 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1896 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
1897 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1899 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1901 } else if ((annot = ev_view_get_annotation_at_location (view, x, y))) {
1902 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1903 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1904 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1906 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1907 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1908 view->cursor == EV_VIEW_CURSOR_DRAG ||
1909 view->cursor == EV_VIEW_CURSOR_AUTOSCROLL)
1910 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1914 g_object_set (view, "has-tooltip", TRUE, NULL);
1919 ev_view_get_image_at_location (EvView *view,
1924 gint x_new = 0, y_new = 0;
1925 GList *image_mapping;
1927 if (!EV_IS_DOCUMENT_IMAGES (view->document))
1930 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1933 image_mapping = ev_page_cache_get_image_mapping (view->page_cache, page);
1936 return ev_mapping_list_get_data (image_mapping, x_new, y_new);
1942 static EvFormField *
1943 ev_view_get_form_field_at_location (EvView *view,
1948 gint x_new = 0, y_new = 0;
1949 GList *forms_mapping;
1951 if (!EV_IS_DOCUMENT_FORMS (view->document))
1954 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1957 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache, page);
1960 return ev_mapping_list_get_data (forms_mapping, x_new, y_new);
1966 ev_view_form_field_get_region (EvView *view,
1969 GdkRectangle view_area;
1970 GList *forms_mapping;
1972 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
1973 field->page->index);
1974 ev_view_get_area_from_mapping (view, field->page->index,
1978 return gdk_region_rectangle (&view_area);
1982 ev_view_forms_remove_widgets (EvView *view)
1984 ev_view_remove_all (view);
1990 ev_view_form_field_destroy (GtkWidget *widget,
1993 g_idle_add ((GSourceFunc)ev_view_forms_remove_widgets, view);
1997 ev_view_form_field_button_create_widget (EvView *view,
2000 EvFormFieldButton *field_button = EV_FORM_FIELD_BUTTON (field);
2001 GdkRegion *field_region = NULL;
2003 switch (field_button->type) {
2004 case EV_FORM_FIELD_BUTTON_PUSH:
2006 case EV_FORM_FIELD_BUTTON_CHECK:
2007 case EV_FORM_FIELD_BUTTON_RADIO: {
2009 GList *forms_mapping, *l;
2011 state = ev_document_forms_form_field_button_get_state (EV_DOCUMENT_FORMS (view->document),
2014 /* FIXME: it actually depends on NoToggleToOff flags */
2015 if (field_button->type == EV_FORM_FIELD_BUTTON_RADIO &&
2016 state && field_button->state)
2019 field_region = ev_view_form_field_get_region (view, field);
2021 /* For radio buttons and checkbox buttons that are in a set
2022 * we need to update also the region for the current selected item
2024 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
2025 field->page->index);
2026 for (l = forms_mapping; l; l = g_list_next (l)) {
2027 EvFormField *button = ((EvMapping *)(l->data))->data;
2028 GdkRegion *button_region;
2030 if (button->id == field->id)
2033 /* FIXME: only buttons in the same group should be updated */
2034 if (!EV_IS_FORM_FIELD_BUTTON (button) ||
2035 EV_FORM_FIELD_BUTTON (button)->type != field_button->type ||
2036 EV_FORM_FIELD_BUTTON (button)->state != TRUE)
2039 button_region = ev_view_form_field_get_region (view, button);
2040 gdk_region_union (field_region, button_region);
2041 gdk_region_destroy (button_region);
2044 ev_document_forms_form_field_button_set_state (EV_DOCUMENT_FORMS (view->document),
2046 field_button->state = !state;
2051 ev_view_reload_page (view, field->page->index, field_region);
2052 gdk_region_destroy (field_region);
2058 ev_view_form_field_text_save (EvView *view,
2063 if (!view->document)
2066 field = g_object_get_data (G_OBJECT (widget), "form-field");
2068 if (field->changed) {
2069 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2070 GdkRegion *field_region;
2072 field_region = ev_view_form_field_get_region (view, field);
2074 ev_document_forms_form_field_text_set_text (EV_DOCUMENT_FORMS (view->document),
2075 field, field_text->text);
2076 field->changed = FALSE;
2077 ev_view_reload_page (view, field->page->index, field_region);
2078 gdk_region_destroy (field_region);
2083 ev_view_form_field_text_changed (GtkWidget *widget,
2086 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2089 if (GTK_IS_ENTRY (widget)) {
2090 text = g_strdup (gtk_entry_get_text (GTK_ENTRY (widget)));
2091 } else if (GTK_IS_TEXT_BUFFER (widget)) {
2092 GtkTextIter start, end;
2094 gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (widget), &start, &end);
2095 text = gtk_text_buffer_get_text (GTK_TEXT_BUFFER (widget),
2096 &start, &end, FALSE);
2099 if (!field_text->text ||
2100 (field_text->text && g_ascii_strcasecmp (field_text->text, text) != 0)) {
2101 g_free (field_text->text);
2102 field_text->text = text;
2103 field->changed = TRUE;
2108 ev_view_form_field_text_create_widget (EvView *view,
2111 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2112 GtkWidget *text = NULL;
2115 txt = ev_document_forms_form_field_text_get_text (EV_DOCUMENT_FORMS (view->document),
2118 switch (field_text->type) {
2119 case EV_FORM_FIELD_TEXT_FILE_SELECT:
2121 case EV_FORM_FIELD_TEXT_NORMAL:
2122 text = gtk_entry_new ();
2123 gtk_entry_set_has_frame (GTK_ENTRY (text), FALSE);
2124 gtk_entry_set_max_length (GTK_ENTRY (text), field_text->max_len);
2125 gtk_entry_set_visibility (GTK_ENTRY (text), !field_text->is_password);
2128 gtk_entry_set_text (GTK_ENTRY (text), txt);
2132 g_signal_connect (text, "changed",
2133 G_CALLBACK (ev_view_form_field_text_changed),
2135 g_signal_connect_after (text, "activate",
2136 G_CALLBACK (ev_view_form_field_destroy),
2139 case EV_FORM_FIELD_TEXT_MULTILINE: {
2140 GtkTextBuffer *buffer;
2142 text = gtk_text_view_new ();
2143 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text));
2146 gtk_text_buffer_set_text (buffer, txt, -1);
2150 g_signal_connect (buffer, "changed",
2151 G_CALLBACK (ev_view_form_field_text_changed),
2157 g_object_weak_ref (G_OBJECT (text),
2158 (GWeakNotify)ev_view_form_field_text_save,
2165 ev_view_form_field_choice_save (EvView *view,
2170 if (!view->document)
2173 field = g_object_get_data (G_OBJECT (widget), "form-field");
2175 if (field->changed) {
2177 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2178 GdkRegion *field_region;
2180 field_region = ev_view_form_field_get_region (view, field);
2182 if (field_choice->is_editable) {
2183 ev_document_forms_form_field_choice_set_text (EV_DOCUMENT_FORMS (view->document),
2184 field, field_choice->text);
2186 ev_document_forms_form_field_choice_unselect_all (EV_DOCUMENT_FORMS (view->document), field);
2187 for (l = field_choice->selected_items; l; l = g_list_next (l)) {
2188 ev_document_forms_form_field_choice_select_item (EV_DOCUMENT_FORMS (view->document),
2190 GPOINTER_TO_INT (l->data));
2193 field->changed = FALSE;
2194 ev_view_reload_page (view, field->page->index, field_region);
2195 gdk_region_destroy (field_region);
2200 ev_view_form_field_choice_changed (GtkWidget *widget,
2203 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2205 if (GTK_IS_COMBO_BOX (widget)) {
2208 item = gtk_combo_box_get_active (GTK_COMBO_BOX (widget));
2209 if (!field_choice->selected_items ||
2210 GPOINTER_TO_INT (field_choice->selected_items->data) != item) {
2211 g_list_free (field_choice->selected_items);
2212 field_choice->selected_items = NULL;
2213 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2214 GINT_TO_POINTER (item));
2215 field->changed = TRUE;
2218 if (GTK_IS_COMBO_BOX_ENTRY (widget)) {
2221 text = gtk_combo_box_get_active_text (GTK_COMBO_BOX (widget));
2222 if (!field_choice->text ||
2223 (field_choice->text && g_ascii_strcasecmp (field_choice->text, text) != 0)) {
2224 g_free (field_choice->text);
2225 field_choice->text = text;
2226 field->changed = TRUE;
2229 } else if (GTK_IS_TREE_SELECTION (widget)) {
2230 GtkTreeSelection *selection = GTK_TREE_SELECTION (widget);
2231 GtkTreeModel *model;
2234 items = gtk_tree_selection_get_selected_rows (selection, &model);
2235 g_list_free (field_choice->selected_items);
2236 field_choice->selected_items = NULL;
2238 for (l = items; l && l->data; l = g_list_next (l)) {
2240 GtkTreePath *path = (GtkTreePath *)l->data;
2243 gtk_tree_model_get_iter (model, &iter, path);
2244 gtk_tree_model_get (model, &iter, 1, &item, -1);
2246 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2247 GINT_TO_POINTER (item));
2249 gtk_tree_path_free (path);
2252 g_list_free (items);
2254 field->changed = TRUE;
2259 ev_view_form_field_choice_create_widget (EvView *view,
2262 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2264 GtkTreeModel *model;
2266 gint selected_item = 0;
2268 n_items = ev_document_forms_form_field_choice_get_n_items (EV_DOCUMENT_FORMS (view->document),
2270 model = GTK_TREE_MODEL (gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT));
2271 for (i = 0; i < n_items; i++) {
2275 item = ev_document_forms_form_field_choice_get_item (EV_DOCUMENT_FORMS (view->document),
2277 if (ev_document_forms_form_field_choice_is_item_selected (
2278 EV_DOCUMENT_FORMS (view->document), field, i)) {
2280 /* FIXME: we need a get_selected_items function in poppler */
2281 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2282 GINT_TO_POINTER (i));
2286 gtk_list_store_append (GTK_LIST_STORE (model), &iter);
2287 gtk_list_store_set (GTK_LIST_STORE (model), &iter,
2295 if (field_choice->type == EV_FORM_FIELD_CHOICE_LIST) {
2296 GtkCellRenderer *renderer;
2297 GtkWidget *tree_view;
2298 GtkTreeSelection *selection;
2300 tree_view = gtk_tree_view_new_with_model (model);
2301 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);
2303 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
2304 if (field_choice->multi_select) {
2305 gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
2308 /* TODO: set selected items */
2310 renderer = gtk_cell_renderer_text_new ();
2311 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
2317 choice = gtk_scrolled_window_new (NULL, NULL);
2318 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (choice),
2319 GTK_POLICY_AUTOMATIC,
2320 GTK_POLICY_AUTOMATIC);
2321 gtk_container_add (GTK_CONTAINER (choice), tree_view);
2322 gtk_widget_show (tree_view);
2324 g_signal_connect (selection, "changed",
2325 G_CALLBACK (ev_view_form_field_choice_changed),
2327 g_signal_connect_after (selection, "changed",
2328 G_CALLBACK (ev_view_form_field_destroy),
2330 } else if (field_choice->is_editable) { /* ComboBoxEntry */
2333 choice = gtk_combo_box_entry_new_with_model (model, 0);
2334 text = ev_document_forms_form_field_choice_get_text (EV_DOCUMENT_FORMS (view->document), field);
2336 gtk_entry_set_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (choice))), text);
2340 g_signal_connect (choice, "changed",
2341 G_CALLBACK (ev_view_form_field_choice_changed),
2343 g_signal_connect_after (GTK_BIN(choice)->child, "activate",
2344 G_CALLBACK (ev_view_form_field_destroy),
2346 } else { /* ComboBoxText */
2347 GtkCellRenderer *renderer;
2349 choice = gtk_combo_box_new_with_model (model);
2350 renderer = gtk_cell_renderer_text_new ();
2351 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (choice),
2353 gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (choice),
2357 gtk_combo_box_set_active (GTK_COMBO_BOX (choice), selected_item);
2358 gtk_combo_box_popup (GTK_COMBO_BOX (choice));
2360 g_signal_connect (choice, "changed",
2361 G_CALLBACK (ev_view_form_field_choice_changed),
2363 g_signal_connect_after (choice, "changed",
2364 G_CALLBACK (ev_view_form_field_destroy),
2368 g_object_unref (model);
2370 g_object_weak_ref (G_OBJECT (choice),
2371 (GWeakNotify)ev_view_form_field_choice_save,
2378 ev_view_handle_form_field (EvView *view,
2383 GtkWidget *field_widget = NULL;
2384 GList *form_field_mapping;
2385 GdkRectangle view_area;
2387 if (field->is_read_only)
2390 if (EV_IS_FORM_FIELD_BUTTON (field)) {
2391 field_widget = ev_view_form_field_button_create_widget (view, field);
2392 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
2393 field_widget = ev_view_form_field_text_create_widget (view, field);
2394 } else if (EV_IS_FORM_FIELD_CHOICE (field)) {
2395 field_widget = ev_view_form_field_choice_create_widget (view, field);
2396 } else if (EV_IS_FORM_FIELD_SIGNATURE (field)) {
2400 /* Form field doesn't require a widget */
2404 g_object_set_data_full (G_OBJECT (field_widget), "form-field",
2405 g_object_ref (field),
2406 (GDestroyNotify)g_object_unref);
2408 form_field_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
2409 field->page->index);
2410 ev_view_get_area_from_mapping (view, field->page->index,
2414 gtk_layout_put (GTK_LAYOUT (view), field_widget, view_area.x, view_area.y);
2415 gtk_widget_show (field_widget);
2416 gtk_widget_grab_focus (field_widget);
2420 static EvViewWindowChild *
2421 ev_view_get_window_child (EvView *view,
2424 GList *children = view->window_children;
2427 EvViewWindowChild *child;
2429 child = (EvViewWindowChild *)children->data;
2430 children = children->next;
2432 if (child->window == window)
2440 ev_view_window_child_move (EvView *view,
2441 EvViewWindowChild *child,
2447 gtk_window_move (GTK_WINDOW (child->window),
2448 MAX (child->parent_x, x),
2449 MAX (child->parent_y, y));
2453 ev_view_window_child_move_with_parent (EvView *view,
2456 EvViewWindowChild *child;
2457 gint root_x, root_y;
2459 child = ev_view_get_window_child (view, window);
2460 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2462 if (root_x != child->parent_x || root_y != child->parent_y) {
2463 gint dest_x, dest_y;
2465 dest_x = child->x + (root_x - child->parent_x);
2466 dest_y = child->y + (root_y - child->parent_y);
2467 child->parent_x = root_x;
2468 child->parent_y = root_y;
2469 ev_view_window_child_move (view, child, dest_x, dest_y);
2472 if (child->visible && !GTK_WIDGET_VISIBLE (window))
2473 gtk_widget_show (window);
2477 ev_view_window_child_put (EvView *view,
2485 EvViewWindowChild *child;
2486 gint root_x, root_y;
2488 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2491 child = g_new0 (EvViewWindowChild, 1);
2492 child->window = window;
2494 child->orig_x = orig_x;
2495 child->orig_y = orig_y;
2496 child->parent_x = root_x;
2497 child->parent_y = root_y;
2498 child->visible = ev_annotation_window_is_open (EV_ANNOTATION_WINDOW (window));
2499 ev_view_window_child_move (view, child, x + root_x, y + root_y);
2502 gtk_widget_show (window);
2504 gtk_widget_hide (window);
2506 view->window_children = g_list_append (view->window_children, child);
2509 static EvViewWindowChild *
2510 ev_view_find_window_child_for_annot (EvView *view,
2512 EvAnnotation *annot)
2514 GList *children = view->window_children;
2517 EvViewWindowChild *child;
2518 EvAnnotation *wannot;
2520 child = (EvViewWindowChild *)children->data;
2521 children = children->next;
2523 if (child->page != page)
2526 wannot = ev_annotation_window_get_annotation (EV_ANNOTATION_WINDOW (child->window));
2527 if (wannot == annot || strcmp (wannot->name, annot->name) == 0)
2535 ev_view_window_children_free (EvView *view)
2539 if (!view->window_children)
2542 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
2543 EvViewWindowChild *child;
2545 child = (EvViewWindowChild *)l->data;
2546 gtk_widget_destroy (GTK_WIDGET (child->window));
2549 g_list_free (view->window_children);
2550 view->window_children = NULL;
2551 view->window_child_focus = NULL;
2555 annotation_window_grab_focus (GtkWidget *widget,
2558 if (view->window_child_focus)
2559 ev_annotation_window_ungrab_focus (EV_ANNOTATION_WINDOW (view->window_child_focus->window));
2560 view->window_child_focus = ev_view_get_window_child (view, widget);
2564 annotation_window_closed (EvAnnotationWindow *window,
2567 EvViewWindowChild *child;
2569 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2570 child->visible = FALSE;
2574 annotation_window_moved (EvAnnotationWindow *window,
2579 EvViewWindowChild *child;
2580 GdkRectangle page_area;
2582 GdkRectangle view_rect;
2583 EvRectangle doc_rect;
2586 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2587 if (child->x == x && child->y == y)
2590 child->moved = TRUE;
2594 /* Window has been moved by the user,
2595 * we have to set a new origin in doc coords
2597 gtk_window_get_size (GTK_WINDOW (window), &width, &height);
2598 view_rect.x = (x - child->parent_x) + view->scroll_x;
2599 view_rect.y = (y - child->parent_y) + view->scroll_y;
2600 view_rect.width = width;
2601 view_rect.height = height;
2603 get_page_extents (view, child->page, &page_area, &border);
2604 view_rect_to_doc_rect (view, &view_rect, &page_area, &doc_rect);
2605 child->orig_x = doc_rect.x1;
2606 child->orig_y = doc_rect.y1;
2610 ev_view_annotation_save (EvView *view,
2611 EvAnnotation *annot)
2613 if (!view->document)
2616 if (!annot->changed)
2619 ev_document_annotations_annotation_set_contents (EV_DOCUMENT_ANNOTATIONS (view->document),
2620 annot, annot->contents);
2621 annot->changed = FALSE;
2625 show_annotation_windows (EvView *view,
2631 parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
2633 annots = ev_page_cache_get_annot_mapping (view->page_cache, page);
2635 for (l = annots; l && l->data; l = g_list_next (l)) {
2636 EvAnnotation *annot;
2637 EvViewWindowChild *child;
2639 EvRectangle *doc_rect;
2640 GdkRectangle view_rect;
2642 annot = ((EvMapping *)(l->data))->data;
2644 if (!EV_IS_ANNOTATION_MARKUP (annot))
2647 if (!ev_annotation_markup_has_popup (EV_ANNOTATION_MARKUP (annot)))
2650 window = g_object_get_data (G_OBJECT (annot), "popup");
2652 ev_view_window_child_move_with_parent (view, window);
2656 /* Look if we already have a popup for this annot */
2657 child = ev_view_find_window_child_for_annot (view, page, annot);
2658 window = child ? child->window : NULL;
2660 ev_annotation_window_set_annotation (EV_ANNOTATION_WINDOW (window), annot);
2661 g_object_set_data (G_OBJECT (annot), "popup", window);
2662 ev_view_window_child_move_with_parent (view, window);
2664 window = ev_annotation_window_new (annot, parent);
2665 g_signal_connect (window, "grab_focus",
2666 G_CALLBACK (annotation_window_grab_focus),
2668 g_signal_connect (window, "closed",
2669 G_CALLBACK (annotation_window_closed),
2671 g_signal_connect (window, "moved",
2672 G_CALLBACK (annotation_window_moved),
2674 g_object_set_data (G_OBJECT (annot), "popup", window);
2676 doc_rect = (EvRectangle *)ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (window));
2677 doc_rect_to_view_rect (view, page, doc_rect, &view_rect);
2678 view_rect.x -= view->scroll_x;
2679 view_rect.y -= view->scroll_y;
2681 ev_view_window_child_put (view, window, page,
2682 view_rect.x, view_rect.y,
2683 doc_rect->x1, doc_rect->y1);
2685 g_object_weak_ref (G_OBJECT (annot),
2686 (GWeakNotify)ev_view_annotation_save,
2693 hide_annotation_windows (EvView *view,
2698 annots = ev_page_cache_get_annot_mapping (view->page_cache, page);
2700 for (l = annots; l && l->data; l = g_list_next (l)) {
2701 EvAnnotation *annot;
2704 annot = ((EvMapping *)(l->data))->data;
2706 if (!EV_IS_ANNOTATION_MARKUP (annot))
2709 window = g_object_get_data (G_OBJECT (annot), "popup");
2711 gtk_widget_hide (window);
2715 static EvAnnotation *
2716 ev_view_get_annotation_at_location (EvView *view,
2721 gint x_new = 0, y_new = 0;
2722 GList *annotations_mapping;
2724 if (!EV_IS_DOCUMENT_ANNOTATIONS (view->document))
2727 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
2730 annotations_mapping = ev_page_cache_get_annot_mapping (view->page_cache, page);
2732 if (annotations_mapping)
2733 return ev_mapping_list_get_data (annotations_mapping, x_new, y_new);
2739 ev_view_handle_annotation (EvView *view,
2740 EvAnnotation *annot,
2745 if (EV_IS_ANNOTATION_MARKUP (annot)) {
2748 window = g_object_get_data (G_OBJECT (annot), "popup");
2750 EvViewWindowChild *child;
2752 child = ev_view_get_window_child (view, window);
2753 if (!child->visible) {
2754 child->visible = TRUE;
2755 ev_view_window_child_move (view, child, child->x, child->y);
2756 gtk_widget_show (window);
2761 if (EV_IS_ANNOTATION_ATTACHMENT (annot)) {
2762 EvAttachment *attachment = EV_ANNOTATION_ATTACHMENT (annot)->attachment;
2765 GError *error = NULL;
2767 ev_attachment_open (attachment,
2768 gtk_widget_get_screen (GTK_WIDGET (view)),
2773 g_warning ("%s", error->message);
2774 g_error_free (error);
2780 /*** GtkWidget implementation ***/
2783 ev_view_size_request_continuous_dual_page (EvView *view,
2784 GtkRequisition *requisition)
2788 n_pages = ev_document_get_n_pages (view->document) + 1;
2789 get_page_y_offset (view, n_pages, &requisition->height);
2791 switch (view->sizing_mode) {
2792 case EV_SIZING_FIT_WIDTH:
2793 case EV_SIZING_BEST_FIT:
2794 requisition->width = 1;
2797 case EV_SIZING_FREE: {
2801 ev_view_get_max_page_size (view, &max_width, NULL);
2802 compute_border (view, max_width, max_width, &border);
2803 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
2807 g_assert_not_reached ();
2812 ev_view_size_request_continuous (EvView *view,
2813 GtkRequisition *requisition)
2817 n_pages = ev_document_get_n_pages (view->document);
2818 get_page_y_offset (view, n_pages, &requisition->height);
2820 switch (view->sizing_mode) {
2821 case EV_SIZING_FIT_WIDTH:
2822 case EV_SIZING_BEST_FIT:
2823 requisition->width = 1;
2826 case EV_SIZING_FREE: {
2830 ev_view_get_max_page_size (view, &max_width, NULL);
2831 compute_border (view, max_width, max_width, &border);
2832 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
2836 g_assert_not_reached ();
2841 ev_view_size_request_dual_page (EvView *view,
2842 GtkRequisition *requisition)
2847 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2848 requisition->width = 1;
2849 requisition->height = 1;
2854 /* Find the largest of the two. */
2855 ev_view_get_page_size (view,
2858 if (view->current_page + 1 < ev_document_get_n_pages (view->document)) {
2859 gint width_2, height_2;
2860 ev_view_get_page_size (view,
2861 view->current_page + 1,
2862 &width_2, &height_2);
2863 if (width_2 > width) {
2868 compute_border (view, width, height, &border);
2870 requisition->width = view->sizing_mode == EV_SIZING_FIT_WIDTH ? 1 :
2871 ((width + border.left + border.right) * 2) + (view->spacing * 3);
2872 requisition->height = (height + border.top + border.bottom) + (view->spacing * 2);
2876 ev_view_size_request_single_page (EvView *view,
2877 GtkRequisition *requisition)
2882 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2883 requisition->width = 1;
2884 requisition->height = 1;
2889 ev_view_get_page_size (view, view->current_page, &width, &height);
2890 compute_border (view, width, height, &border);
2892 requisition->width = view->sizing_mode == EV_SIZING_FIT_WIDTH ? 1 :
2893 width + border.left + border.right + (2 * view->spacing);
2894 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2898 ev_view_size_request (GtkWidget *widget,
2899 GtkRequisition *requisition)
2901 EvView *view = EV_VIEW (widget);
2903 if (view->document == NULL) {
2904 requisition->width = 1;
2905 requisition->height = 1;
2909 if (view->presentation) {
2910 requisition->width = 1;
2911 requisition->height = 1;
2915 if (view->continuous && view->dual_page)
2916 ev_view_size_request_continuous_dual_page (view, requisition);
2917 else if (view->continuous)
2918 ev_view_size_request_continuous (view, requisition);
2919 else if (view->dual_page)
2920 ev_view_size_request_dual_page (view, requisition);
2922 ev_view_size_request_single_page (view, requisition);
2926 ev_view_size_allocate (GtkWidget *widget,
2927 GtkAllocation *allocation)
2929 EvView *view = EV_VIEW (widget);
2930 GList *children, *l;
2931 gint root_x, root_y;
2933 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
2935 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2936 view->sizing_mode == EV_SIZING_BEST_FIT) {
2937 ev_view_zoom_for_size (view,
2939 allocation->height);
2940 ev_view_size_request (widget, &widget->requisition);
2943 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
2944 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
2947 view_update_range_and_current_page (view);
2949 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2950 view->pending_resize = FALSE;
2951 view->pending_point.x = 0;
2952 view->pending_point.y = 0;
2954 children = gtk_container_get_children (GTK_CONTAINER (widget));
2955 for (l = children; l && l->data; l = g_list_next (l)) {
2957 GdkRectangle view_area;
2958 GList *form_field_mapping;
2959 GtkAllocation child_allocation;
2960 GtkRequisition child_requisition;
2961 GtkWidget *child = (GtkWidget *)l->data;
2963 field = g_object_get_data (G_OBJECT (child), "form-field");
2967 form_field_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
2968 field->page->index);
2969 ev_view_get_area_from_mapping (view, field->page->index,
2973 gtk_widget_size_request (child, &child_requisition);
2974 if (child_requisition.width != view_area.width ||
2975 child_requisition.height != view_area.height)
2976 gtk_widget_set_size_request (child, view_area.width, view_area.height);
2978 gtk_container_child_get (GTK_CONTAINER (widget),
2980 "x", &child_allocation.x,
2981 "y", &child_allocation.y,
2983 if (child_allocation.x != view_area.x ||
2984 child_allocation.y != view_area.y) {
2985 gtk_layout_move (GTK_LAYOUT (widget), child, view_area.x, view_area.y);
2988 g_list_free (children);
2990 if (view->window_children)
2991 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2994 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
2995 EvViewWindowChild *child;
2996 EvRectangle doc_rect;
2997 GdkRectangle view_rect;
2999 child = (EvViewWindowChild *)l->data;
3001 doc_rect = *ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (child->window));
3003 doc_rect.x1 = child->orig_x;
3004 doc_rect.y1 = child->orig_y;
3006 doc_rect_to_view_rect (view, child->page, &doc_rect, &view_rect);
3007 view_rect.x -= view->scroll_x;
3008 view_rect.y -= view->scroll_y;
3010 if (view_rect.x != child->orig_x || view_rect.y != child->orig_y) {
3011 child->parent_x = root_x;
3012 child->parent_y = root_y;
3013 ev_view_window_child_move (view, child, view_rect.x + root_x, view_rect.y + root_y);
3019 ev_view_realize (GtkWidget *widget)
3021 EvView *view = EV_VIEW (widget);
3023 if (GTK_WIDGET_CLASS (ev_view_parent_class)->realize)
3024 (* GTK_WIDGET_CLASS (ev_view_parent_class)->realize) (widget);
3026 gdk_window_set_events (view->layout.bin_window,
3027 (gdk_window_get_events (view->layout.bin_window) |
3029 GDK_BUTTON_PRESS_MASK |
3030 GDK_BUTTON_RELEASE_MASK |
3032 GDK_KEY_PRESS_MASK |
3033 GDK_POINTER_MOTION_MASK |
3034 GDK_POINTER_MOTION_HINT_MASK |
3035 GDK_ENTER_NOTIFY_MASK |
3036 GDK_LEAVE_NOTIFY_MASK));
3038 if (view->presentation)
3039 gdk_window_set_background (view->layout.bin_window, &widget->style->black);
3041 gdk_window_set_background (view->layout.bin_window, &widget->style->mid [GTK_STATE_NORMAL]);
3043 on_adjustment_value_changed (NULL, view);
3047 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
3049 EvView *view = EV_VIEW (widget);
3052 state = event->state & gtk_accelerator_get_default_mod_mask ();
3054 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
3055 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
3056 if (event->direction == GDK_SCROLL_UP ||
3057 event->direction == GDK_SCROLL_LEFT) {
3058 if (ev_view_can_zoom_in (view)) {
3059 ev_view_zoom_in (view);
3062 if (ev_view_can_zoom_out (view)) {
3063 ev_view_zoom_out (view);
3070 view->jump_to_find_result = FALSE;
3072 /* Shift+Wheel scrolls the in the perpendicular direction */
3073 if (state & GDK_SHIFT_MASK) {
3074 if (event->direction == GDK_SCROLL_UP)
3075 event->direction = GDK_SCROLL_LEFT;
3076 else if (event->direction == GDK_SCROLL_LEFT)
3077 event->direction = GDK_SCROLL_UP;
3078 else if (event->direction == GDK_SCROLL_DOWN)
3079 event->direction = GDK_SCROLL_RIGHT;
3080 else if (event->direction == GDK_SCROLL_RIGHT)
3081 event->direction = GDK_SCROLL_DOWN;
3083 event->state &= ~GDK_SHIFT_MASK;
3084 state &= ~GDK_SHIFT_MASK;
3088 (view->presentation ||
3089 (view->sizing_mode == EV_SIZING_BEST_FIT && !view->continuous))) {
3090 switch (event->direction) {
3091 case GDK_SCROLL_DOWN:
3092 case GDK_SCROLL_RIGHT:
3093 ev_view_next_page (view);
3096 case GDK_SCROLL_LEFT:
3097 ev_view_previous_page (view);
3107 static EvViewSelection *
3108 find_selection_for_page (EvView *view,
3113 for (list = view->selection_info.selections; list != NULL; list = list->next) {
3114 EvViewSelection *selection;
3116 selection = (EvViewSelection *) list->data;
3118 if (selection->page == page)
3126 draw_end_presentation_page (EvView *view,
3127 GdkRectangle *page_area)
3129 PangoLayout *layout;
3130 PangoFontDescription *font_desc;
3132 const gchar *text = _("End of presentation. Press Escape to exit.");
3134 if (view->presentation_state != EV_PRESENTATION_END)
3137 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), NULL);
3138 markup = g_strdup_printf ("<span foreground=\"white\">%s</span>", text);
3139 pango_layout_set_markup (layout, markup, -1);
3142 font_desc = pango_font_description_new ();
3143 pango_font_description_set_size (font_desc, 16 * PANGO_SCALE);
3144 pango_layout_set_font_description (layout, font_desc);
3146 gtk_paint_layout (GTK_WIDGET (view)->style,
3147 view->layout.bin_window,
3148 GTK_WIDGET_STATE (view),
3157 pango_font_description_free (font_desc);
3158 g_object_unref (layout);
3162 ev_view_expose_event (GtkWidget *widget,
3163 GdkEventExpose *event)
3165 EvView *view = EV_VIEW (widget);
3169 if (view->animation) {
3170 if (ev_transition_animation_ready (view->animation)) {
3171 GdkRectangle page_area;
3174 if (get_page_extents (view, view->current_page, &page_area, &border)) {
3175 cr = gdk_cairo_create (view->layout.bin_window);
3177 /* normalize to x=0, y=0 */
3178 cairo_translate (cr, page_area.x, page_area.y);
3179 page_area.x = page_area.y = 0;
3181 ev_transition_animation_paint (view->animation, cr, page_area);
3189 if (view->presentation) {
3190 switch (view->presentation_state) {
3191 case EV_PRESENTATION_END: {
3192 GdkRectangle area = {0};
3194 area.width = widget->allocation.width;
3195 area.height = widget->allocation.height;
3197 draw_end_presentation_page (view, &area);
3200 case EV_PRESENTATION_BLACK:
3201 case EV_PRESENTATION_WHITE:
3203 case EV_PRESENTATION_NORMAL:
3207 } else if (view->loading) {
3208 GdkRectangle area = {0};
3210 area.width = widget->allocation.width;
3211 area.height = widget->allocation.height;
3213 draw_loading_text (view,
3218 if (view->document == NULL)
3221 cr = gdk_cairo_create (view->layout.bin_window);
3223 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
3224 GdkRectangle page_area;
3226 gboolean page_ready = TRUE;
3228 if (!get_page_extents (view, i, &page_area, &border))
3231 page_area.x -= view->scroll_x;
3232 page_area.y -= view->scroll_y;
3234 draw_one_page (view, i, cr, &page_area, &border, &(event->area), &page_ready);
3236 if (page_ready && view->find_pages && view->highlight_find_results)
3237 highlight_find_results (view, i);
3238 if (page_ready && EV_IS_DOCUMENT_ANNOTATIONS (view->document))
3239 show_annotation_windows (view, i);
3244 if (GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event)
3245 (* GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) (widget, event);
3251 ev_view_do_popup_menu (EvView *view,
3257 EvAnnotation *annot;
3259 image = ev_view_get_image_at_location (view, x, y);
3261 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, image);
3265 link = ev_view_get_link_at_location (view, x, y);
3267 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
3271 annot = ev_view_get_annotation_at_location (view, x, y);
3273 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, annot);
3277 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, NULL);
3283 ev_view_popup_menu (GtkWidget *widget)
3287 gtk_widget_get_pointer (widget, &x, &y);
3288 return ev_view_do_popup_menu (EV_VIEW (widget), x, y);
3292 get_link_area (EvView *view,
3298 GList *link_mapping;
3300 gint x_offset = 0, y_offset = 0;
3302 x += view->scroll_x;
3303 y += view->scroll_y;
3305 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3307 link_mapping = ev_page_cache_get_link_mapping (view->page_cache, page);
3308 ev_view_get_area_from_mapping (view, page,
3314 get_annot_area (EvView *view,
3317 EvAnnotation *annot,
3320 GList *annot_mapping;
3322 gint x_offset = 0, y_offset = 0;
3324 x += view->scroll_x;
3325 y += view->scroll_y;
3327 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3329 annot_mapping = ev_page_cache_get_annot_mapping (view->page_cache, page);
3330 ev_view_get_area_from_mapping (view, page,
3336 ev_view_query_tooltip (GtkWidget *widget,
3339 gboolean keyboard_tip,
3340 GtkTooltip *tooltip)
3342 EvView *view = EV_VIEW (widget);
3344 EvAnnotation *annot;
3347 annot = ev_view_get_annotation_at_location (view, x, y);
3348 if (annot && annot->contents) {
3349 GdkRectangle annot_area;
3351 get_annot_area (view, x, y, annot, &annot_area);
3352 gtk_tooltip_set_text (tooltip, annot->contents);
3353 gtk_tooltip_set_tip_area (tooltip, &annot_area);
3358 link = ev_view_get_link_at_location (view, x, y);
3362 text = tip_from_link (view, link);
3363 if (text && g_utf8_validate (text, -1, NULL)) {
3364 GdkRectangle link_area;
3366 get_link_area (view, x, y, link, &link_area);
3367 gtk_tooltip_set_text (tooltip, text);
3368 gtk_tooltip_set_tip_area (tooltip, &link_area);
3376 start_selection_for_event (EvView *view,
3377 GdkEventButton *event)
3379 clear_selection (view);
3381 view->selection_info.start.x = event->x + view->scroll_x;
3382 view->selection_info.start.y = event->y + view->scroll_y;
3384 switch (event->type) {
3385 case GDK_2BUTTON_PRESS:
3386 view->selection_info.style = EV_SELECTION_STYLE_WORD;
3388 case GDK_3BUTTON_PRESS:
3389 view->selection_info.style = EV_SELECTION_STYLE_LINE;
3392 view->selection_info.style = EV_SELECTION_STYLE_GLYPH;
3396 /* In case of WORD or LINE, compute selections now */
3397 compute_selections (view,
3398 view->selection_info.style,
3399 &(view->selection_info.start),
3400 &(view->selection_info.start));
3404 ev_view_button_press_event (GtkWidget *widget,
3405 GdkEventButton *event)
3407 EvView *view = EV_VIEW (widget);
3409 if (!view->document)
3412 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
3413 gtk_widget_grab_focus (widget);
3416 if (view->window_child_focus) {
3417 EvAnnotationWindow *window;
3418 EvAnnotation *annot;
3420 window = EV_ANNOTATION_WINDOW (view->window_child_focus->window);
3421 annot = ev_annotation_window_get_annotation (window);
3422 ev_annotation_window_ungrab_focus (window);
3423 ev_view_annotation_save (view, annot);
3424 view->window_child_focus = NULL;
3427 view->pressed_button = event->button;
3428 view->selection_info.in_drag = FALSE;
3430 if (view->scroll_info.autoscrolling)
3433 switch (event->button) {
3436 EvAnnotation *annot;
3439 if (EV_IS_SELECTION (view->document) && view->selection_info.selections) {
3440 if (event->type == GDK_3BUTTON_PRESS) {
3441 start_selection_for_event (view, event);
3442 } else if (location_in_selected_text (view,
3443 event->x + view->scroll_x,
3444 event->y + view->scroll_y)) {
3445 view->selection_info.in_drag = TRUE;
3447 start_selection_for_event (view, event);
3450 gtk_widget_queue_draw (widget);
3451 } else if ((annot = ev_view_get_annotation_at_location (view, event->x, event->y))) {
3452 ev_view_handle_annotation (view, annot, event->x, event->y, event->time);
3453 } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) {
3454 ev_view_remove_all (view);
3455 ev_view_handle_form_field (view, field, event->x, event->y);
3456 } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) &&
3457 (image = ev_view_get_image_at_location (view, event->x, event->y))) {
3458 if (view->image_dnd_info.image)
3459 g_object_unref (view->image_dnd_info.image);
3460 view->image_dnd_info.image = g_object_ref (image);
3461 view->image_dnd_info.in_drag = TRUE;
3463 view->image_dnd_info.start.x = event->x + view->scroll_x;
3464 view->image_dnd_info.start.y = event->y + view->scroll_y;
3466 ev_view_remove_all (view);
3468 if (EV_IS_SELECTION (view->document))
3469 start_selection_for_event (view, event);
3474 /* use root coordinates as reference point because
3475 * scrolling changes window relative coordinates */
3476 view->drag_info.start.x = event->x_root;
3477 view->drag_info.start.y = event->y_root;
3478 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
3479 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
3481 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
3485 view->scroll_info.start_y = event->y;
3486 return ev_view_do_popup_menu (view, event->x, event->y);
3493 ev_view_remove_all (EvView *view)
3495 GList *children, *child;
3497 children = gtk_container_get_children (GTK_CONTAINER (view));
3498 for (child = children; child && child->data; child = g_list_next (child)) {
3499 gtk_container_remove (GTK_CONTAINER (view),
3500 GTK_WIDGET (child->data));
3502 g_list_free (children);
3505 /*** Drag and Drop ***/
3507 ev_view_drag_data_get (GtkWidget *widget,
3508 GdkDragContext *context,
3509 GtkSelectionData *selection_data,
3513 EvView *view = EV_VIEW (widget);
3516 case TARGET_DND_TEXT:
3517 if (EV_IS_SELECTION (view->document) &&
3518 view->selection_info.selections) {
3521 text = get_selected_text (view);
3522 gtk_selection_data_set_text (selection_data,
3528 case TARGET_DND_IMAGE:
3529 if (view->image_dnd_info.image) {
3532 ev_document_doc_mutex_lock ();
3533 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3534 view->image_dnd_info.image);
3535 ev_document_doc_mutex_unlock ();
3537 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
3538 g_object_unref (pixbuf);
3541 case TARGET_DND_URI:
3542 if (view->image_dnd_info.image) {
3544 const gchar *tmp_uri;
3547 ev_document_doc_mutex_lock ();
3548 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3549 view->image_dnd_info.image);
3550 ev_document_doc_mutex_unlock ();
3552 tmp_uri = ev_image_save_tmp (view->image_dnd_info.image, pixbuf);
3553 g_object_unref (pixbuf);
3555 uris[0] = (gchar *)tmp_uri;
3557 gtk_selection_data_set_uris (selection_data, uris);
3563 ev_view_drag_motion (GtkWidget *widget,
3564 GdkDragContext *context,
3569 if (gtk_drag_get_source_widget (context) == widget)
3570 gdk_drag_status (context, 0, time);
3572 gdk_drag_status (context, context->suggested_action, time);
3578 selection_update_idle_cb (EvView *view)
3580 compute_selections (view,
3581 view->selection_info.style,
3582 &view->selection_info.start,
3584 view->selection_update_id = 0;
3589 selection_scroll_timeout_cb (EvView *view)
3591 gint x, y, shift = 0;
3592 GtkWidget *widget = GTK_WIDGET (view);
3594 gtk_widget_get_pointer (widget, &x, &y);
3596 if (y > widget->allocation.height) {
3597 shift = (y - widget->allocation.height) / 2;
3603 gtk_adjustment_set_value (view->vadjustment,
3604 CLAMP (view->vadjustment->value + shift,
3605 view->vadjustment->lower,
3606 view->vadjustment->upper -
3607 view->vadjustment->page_size));
3609 if (x > widget->allocation.width) {
3610 shift = (x - widget->allocation.width) / 2;
3616 gtk_adjustment_set_value (view->hadjustment,
3617 CLAMP (view->hadjustment->value + shift,
3618 view->hadjustment->lower,
3619 view->hadjustment->upper -
3620 view->hadjustment->page_size));
3626 ev_view_drag_update_momentum (EvView *view)
3629 if (!view->drag_info.in_drag)
3632 for (i = DRAG_HISTORY - 1; i > 0; i--) {
3633 view->drag_info.buffer[i].x = view->drag_info.buffer[i-1].x;
3634 view->drag_info.buffer[i].y = view->drag_info.buffer[i-1].y;
3637 /* Momentum is a moving average of 10ms granularity over
3638 * the last 100ms with each 10ms stored in buffer.
3641 view->drag_info.momentum.x = (view->drag_info.buffer[DRAG_HISTORY - 1].x - view->drag_info.buffer[0].x);
3642 view->drag_info.momentum.y = (view->drag_info.buffer[DRAG_HISTORY - 1].y - view->drag_info.buffer[0].y);
3648 ev_view_scroll_drag_release (EvView *view)
3650 gdouble dhadj_value, dvadj_value;
3651 gdouble oldhadjustment, oldvadjustment;
3653 view->drag_info.momentum.x /= 1.2;
3654 view->drag_info.momentum.y /= 1.2; /* Alter these constants to change "friction" */
3656 dhadj_value = view->hadjustment->page_size *
3657 (gdouble)view->drag_info.momentum.x / GTK_WIDGET (view)->allocation.width;
3658 dvadj_value = view->vadjustment->page_size *
3659 (gdouble)view->drag_info.momentum.y / GTK_WIDGET (view)->allocation.height;
3661 oldhadjustment = gtk_adjustment_get_value (view->hadjustment);
3662 oldvadjustment = gtk_adjustment_get_value (view->vadjustment);
3664 /* When we reach the edges, we need either to absorb some momentum and bounce by
3665 * multiplying it on -0.5 or stop scrolling by setting momentum to 0. */
3666 if (((oldhadjustment + dhadj_value) > (view->hadjustment->upper - view->hadjustment->page_size)) ||
3667 ((oldhadjustment + dhadj_value) < 0))
3668 view->drag_info.momentum.x = 0;
3669 if (((oldvadjustment + dvadj_value) > (view->vadjustment->upper - view->vadjustment->page_size)) ||
3670 ((oldvadjustment + dvadj_value) < 0))
3671 view->drag_info.momentum.y = 0;
3673 gtk_adjustment_set_value (view->hadjustment,
3674 MIN (oldhadjustment + dhadj_value,
3675 view->hadjustment->upper - view->hadjustment->page_size));
3676 gtk_adjustment_set_value (view->vadjustment,
3677 MIN (oldvadjustment + dvadj_value,
3678 view->vadjustment->upper - view->vadjustment->page_size));
3680 if (((view->drag_info.momentum.x < 1) && (view->drag_info.momentum.x > -1)) &&
3681 ((view->drag_info.momentum.y < 1) && (view->drag_info.momentum.y > -1)))
3688 ev_view_motion_notify_event (GtkWidget *widget,
3689 GdkEventMotion *event)
3691 EvView *view = EV_VIEW (widget);
3694 if (!view->document)
3698 if (event->is_hint || event->window != view->layout.bin_window) {
3699 gtk_widget_get_pointer (widget, &x, &y);
3705 if (view->scroll_info.autoscrolling) {
3706 view->scroll_info.last_y = y;
3710 if (view->selection_info.in_drag) {
3711 if (gtk_drag_check_threshold (widget,
3712 view->selection_info.start.x,
3713 view->selection_info.start.y,
3715 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3717 gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT);
3719 gtk_drag_begin (widget, target_list,
3721 1, (GdkEvent *)event);
3723 view->selection_info.in_drag = FALSE;
3725 gtk_target_list_unref (target_list);
3729 } else if (view->image_dnd_info.in_drag) {
3730 if (gtk_drag_check_threshold (widget,
3731 view->selection_info.start.x,
3732 view->selection_info.start.y,
3734 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3736 gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI);
3737 gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE);
3739 gtk_drag_begin (widget, target_list,
3741 1, (GdkEvent *)event);
3743 view->image_dnd_info.in_drag = FALSE;
3745 gtk_target_list_unref (target_list);
3751 switch (view->pressed_button) {
3753 /* For the Evince 0.4.x release, we limit selection to un-rotated
3756 if (view->rotation != 0)
3759 /* Schedule timeout to scroll during selection and additionally
3760 * scroll once to allow arbitrary speed. */
3761 if (!view->selection_scroll_id)
3762 view->selection_scroll_id = g_timeout_add (SCROLL_TIME,
3763 (GSourceFunc)selection_scroll_timeout_cb,
3766 selection_scroll_timeout_cb (view);
3768 view->selection_info.in_selection = TRUE;
3769 view->motion.x = x + view->scroll_x;
3770 view->motion.y = y + view->scroll_y;
3772 /* Queue an idle to handle the motion. We do this because
3773 * handling any selection events in the motion could be slower
3774 * than new motion events reach us. We always put it in the
3775 * idle to make sure we catch up and don't visibly lag the
3777 if (!view->selection_update_id)
3778 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
3782 if (!view->drag_info.in_drag) {
3786 start = gtk_drag_check_threshold (widget,
3787 view->drag_info.start.x,
3788 view->drag_info.start.y,
3791 view->drag_info.in_drag = start;
3792 view->drag_info.drag_timeout_id = g_timeout_add (10,
3793 (GSourceFunc)ev_view_drag_update_momentum, view);
3794 /* Set 100 to choose how long it takes to build up momentum */
3795 /* Clear out previous momentum info: */
3796 for (i = 0; i < DRAG_HISTORY; i++) {
3797 view->drag_info.buffer[i].x = event->x;
3798 view->drag_info.buffer[i].y = event->y;
3800 view->drag_info.momentum.x = 0;
3801 view->drag_info.momentum.y = 0;
3804 if (view->drag_info.in_drag) {
3806 gdouble dhadj_value, dvadj_value;
3808 view->drag_info.buffer[0].x = event->x;
3809 view->drag_info.buffer[0].y = event->y;
3811 dx = event->x_root - view->drag_info.start.x;
3812 dy = event->y_root - view->drag_info.start.y;
3814 dhadj_value = view->hadjustment->page_size *
3815 (gdouble)dx / widget->allocation.width;
3816 dvadj_value = view->vadjustment->page_size *
3817 (gdouble)dy / widget->allocation.height;
3819 /* clamp scrolling to visible area */
3820 gtk_adjustment_set_value (view->hadjustment,
3821 MIN(view->drag_info.hadj - dhadj_value,
3822 view->hadjustment->upper -
3823 view->hadjustment->page_size));
3824 gtk_adjustment_set_value (view->vadjustment,
3825 MIN(view->drag_info.vadj - dvadj_value,
3826 view->vadjustment->upper -
3827 view->vadjustment->page_size));
3834 ev_view_handle_cursor_over_xy (view, x, y);
3841 ev_view_button_release_event (GtkWidget *widget,
3842 GdkEventButton *event)
3844 EvView *view = EV_VIEW (widget);
3845 EvLink *link = NULL;
3847 view->image_dnd_info.in_drag = FALSE;
3849 if (view->scroll_info.autoscrolling) {
3850 ev_view_autoscroll_stop (view);
3851 view->pressed_button = -1;
3856 if (view->drag_info.in_drag) {
3857 view->drag_info.release_timeout_id =
3859 (GSourceFunc)ev_view_scroll_drag_release, view);
3862 if (view->document && !view->drag_info.in_drag && view->pressed_button != 3) {
3863 link = ev_view_get_link_at_location (view, event->x, event->y);
3866 view->drag_info.in_drag = FALSE;
3868 if (view->pressed_button == 2) {
3869 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3872 view->pressed_button = -1;
3874 if (view->selection_scroll_id) {
3875 g_source_remove (view->selection_scroll_id);
3876 view->selection_scroll_id = 0;
3878 if (view->selection_update_id) {
3879 g_source_remove (view->selection_update_id);
3880 view->selection_update_id = 0;
3883 if (view->selection_info.selections) {
3884 clear_link_selected (view);
3885 ev_view_update_primary_selection (view);
3887 if (view->selection_info.in_drag) {
3888 clear_selection (view);
3889 gtk_widget_queue_draw (widget);
3892 view->selection_info.in_drag = FALSE;
3894 if (event->button == 2) {
3895 EvLinkAction *action;
3896 EvLinkActionType type;
3898 action = ev_link_get_action (link);
3902 type = ev_link_action_get_action_type (action);
3903 if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
3904 g_signal_emit (view,
3905 signals[SIGNAL_EXTERNAL_LINK],
3909 ev_view_handle_link (view, link);
3911 } else if (view->presentation) {
3912 switch (event->button) {
3914 ev_view_next_page (view);
3917 ev_view_previous_page (view);
3926 /* Cut and paste from gtkwindow.c */
3928 send_focus_change (GtkWidget *widget,
3931 GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE);
3933 g_object_ref (widget);
3936 GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
3938 GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
3940 fevent->focus_change.type = GDK_FOCUS_CHANGE;
3941 fevent->focus_change.window = g_object_ref (widget->window);
3942 fevent->focus_change.in = in;
3944 gtk_widget_event (widget, fevent);
3946 g_object_notify (G_OBJECT (widget), "has-focus");
3948 g_object_unref (widget);
3949 gdk_event_free (fevent);
3953 ev_view_goto_window_hide (EvView *view)
3955 /* send focus-in event */
3956 send_focus_change (view->goto_entry, FALSE);
3957 gtk_widget_hide (view->goto_window);
3958 gtk_entry_set_text (GTK_ENTRY (view->goto_entry), "");
3962 ev_view_goto_window_delete_event (GtkWidget *widget,
3966 ev_view_goto_window_hide (view);
3972 key_is_numeric (guint keyval)
3974 return ((keyval >= GDK_0 && keyval <= GDK_9) ||
3975 (keyval >= GDK_KP_0 && keyval <= GDK_KP_9));
3979 ev_view_goto_window_key_press_event (GtkWidget *widget,
3983 switch (event->keyval) {
3987 case GDK_ISO_Left_Tab:
3988 ev_view_goto_window_hide (view);
3997 if (!key_is_numeric (event->keyval))
4005 ev_view_goto_window_button_press_event (GtkWidget *widget,
4006 GdkEventButton *event,
4009 ev_view_goto_window_hide (view);
4015 ev_view_goto_entry_activate (GtkEntry *entry,
4021 text = gtk_entry_get_text (entry);
4022 page = atoi (text) - 1;
4024 ev_view_goto_window_hide (view);
4026 if (page >= 0 && page < ev_document_get_n_pages (view->document)) {
4027 ev_document_model_set_page (view->model, page);
4032 ev_view_goto_window_create (EvView *view)
4034 GtkWidget *frame, *hbox, *toplevel, *label;
4036 toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view));
4038 if (view->goto_window) {
4039 if (GTK_WINDOW (toplevel)->group)
4040 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
4041 GTK_WINDOW (view->goto_window));
4042 else if (GTK_WINDOW (view->goto_window)->group)
4043 gtk_window_group_remove_window (GTK_WINDOW (view->goto_window)->group,
4044 GTK_WINDOW (view->goto_window));
4048 view->goto_window = gtk_window_new (GTK_WINDOW_POPUP);
4049 gtk_window_set_screen (GTK_WINDOW (view->goto_window),
4050 gtk_widget_get_screen (GTK_WIDGET (view)));
4052 if (GTK_WINDOW (toplevel)->group)
4053 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
4054 GTK_WINDOW (view->goto_window));
4056 gtk_window_set_modal (GTK_WINDOW (view->goto_window), TRUE);
4058 g_signal_connect (view->goto_window, "delete_event",
4059 G_CALLBACK (ev_view_goto_window_delete_event),
4061 g_signal_connect (view->goto_window, "key_press_event",
4062 G_CALLBACK (ev_view_goto_window_key_press_event),
4064 g_signal_connect (view->goto_window, "button_press_event",
4065 G_CALLBACK (ev_view_goto_window_button_press_event),
4068 frame = gtk_frame_new (NULL);
4069 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
4070 gtk_container_add (GTK_CONTAINER (view->goto_window), frame);
4071 gtk_widget_show (frame);
4073 hbox = gtk_hbox_new (FALSE, 0);
4074 gtk_container_set_border_width (GTK_CONTAINER (hbox), 3);
4075 gtk_container_add (GTK_CONTAINER (frame), hbox);
4076 gtk_widget_show (hbox);
4078 label = gtk_label_new(_("Jump to page:"));
4079 gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 3);
4080 gtk_widget_show (label);
4081 gtk_widget_realize (label);
4083 view->goto_entry = gtk_entry_new ();
4084 g_signal_connect (view->goto_entry, "activate",
4085 G_CALLBACK (ev_view_goto_entry_activate),
4087 gtk_box_pack_start (GTK_BOX (hbox), view->goto_entry, TRUE, TRUE, 0);
4088 gtk_widget_show (view->goto_entry);
4089 gtk_widget_realize (view->goto_entry);
4093 ev_view_goto_entry_grab_focus (EvView *view)
4095 GtkWidgetClass *entry_parent_class;
4097 entry_parent_class = g_type_class_peek_parent (GTK_ENTRY_GET_CLASS (view->goto_entry));
4098 (entry_parent_class->grab_focus) (view->goto_entry);
4100 send_focus_change (view->goto_entry, TRUE);
4104 ev_view_goto_window_send_key_event (EvView *view,
4107 GdkEventKey *new_event;
4110 /* Move goto window off screen */
4111 screen = gtk_widget_get_screen (GTK_WIDGET (view));
4112 gtk_window_move (GTK_WINDOW (view->goto_window),
4113 gdk_screen_get_width (screen) + 1,
4114 gdk_screen_get_height (screen) + 1);
4115 gtk_widget_show (view->goto_window);
4117 new_event = (GdkEventKey *) gdk_event_copy (event);
4118 g_object_unref (new_event->window);
4119 new_event->window = g_object_ref (view->goto_window->window);
4120 gtk_widget_realize (view->goto_window);
4122 gtk_widget_event (view->goto_window, (GdkEvent *)new_event);
4123 gdk_event_free ((GdkEvent *)new_event);
4124 gtk_widget_hide (view->goto_window);
4128 ev_view_key_press_event (GtkWidget *widget,
4131 EvView *view = EV_VIEW (widget);
4132 EvPresentationState current;
4134 if (!view->document)
4137 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
4138 /* Forward key events to current focused window child */
4139 if (view->window_child_focus) {
4140 GdkEventKey *new_event;
4143 new_event = (GdkEventKey *) gdk_event_copy ((GdkEvent *)event);
4144 g_object_unref (new_event->window);
4145 new_event->window = g_object_ref (view->window_child_focus->window->window);
4146 gtk_widget_realize (view->window_child_focus->window);
4147 handled = gtk_widget_event (view->window_child_focus->window, (GdkEvent *)new_event);
4148 gdk_event_free ((GdkEvent *)new_event);
4156 if (!view->presentation ||
4157 view->presentation_state == EV_PRESENTATION_END)
4158 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
4161 current = view->presentation_state;
4163 switch (event->keyval) {
4167 case GDK_KP_Decimal:
4168 view->presentation_state =
4169 (view->presentation_state == EV_PRESENTATION_BLACK) ?
4170 EV_PRESENTATION_NORMAL : EV_PRESENTATION_BLACK;
4174 view->presentation_state =
4175 (view->presentation_state == EV_PRESENTATION_WHITE) ?
4176 EV_PRESENTATION_NORMAL : EV_PRESENTATION_WHITE;
4179 if (view->presentation_state == EV_PRESENTATION_BLACK ||
4180 view->presentation_state == EV_PRESENTATION_WHITE) {
4181 view->presentation_state = EV_PRESENTATION_NORMAL;
4185 if (current == view->presentation_state) {
4186 if (ev_document_get_n_pages (view->document) > 1 &&
4187 key_is_numeric (event->keyval)) {
4190 ev_view_goto_window_create (view);
4191 ev_view_goto_window_send_key_event (view, (GdkEvent *)event);
4192 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4193 gtk_window_move (GTK_WINDOW (view->goto_window), x, y);
4194 gtk_widget_show (view->goto_window);
4195 ev_view_goto_entry_grab_focus (view);
4200 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
4203 switch (view->presentation_state) {
4204 case EV_PRESENTATION_NORMAL:
4205 case EV_PRESENTATION_BLACK:
4206 gdk_window_set_background (view->layout.bin_window,
4207 &widget->style->black);
4209 case EV_PRESENTATION_WHITE:
4210 gdk_window_set_background (view->layout.bin_window,
4211 &widget->style->white);
4214 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
4217 gtk_widget_queue_draw (widget);
4222 ev_view_focus_in (GtkWidget *widget,
4223 GdkEventFocus *event)
4225 if (EV_VIEW (widget)->pixbuf_cache)
4226 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4227 gtk_widget_queue_draw (widget);
4233 ev_view_focus_out (GtkWidget *widget,
4234 GdkEventFocus *event)
4236 if (EV_VIEW (widget)->goto_window)
4237 ev_view_goto_window_hide (EV_VIEW (widget));
4239 if (EV_VIEW (widget)->pixbuf_cache)
4240 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4241 gtk_widget_queue_draw (widget);
4247 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
4249 EvView *view = EV_VIEW (widget);
4251 if (view->cursor != EV_VIEW_CURSOR_NORMAL)
4252 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
4258 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
4260 EvView *view = EV_VIEW (widget);
4262 ev_view_handle_cursor_over_xy (view, event->x, event->y);
4268 ev_view_style_set (GtkWidget *widget,
4269 GtkStyle *old_style)
4271 if (EV_VIEW (widget)->pixbuf_cache)
4272 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4274 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
4280 ev_gdk_color_to_rgb (const GdkColor *color)
4283 result = (0xff0000 | (color->red & 0xff00));
4285 result |= ((color->green & 0xff00) | (color->blue >> 8));
4290 draw_rubberband (GtkWidget *widget, GdkWindow *window,
4291 const GdkRectangle *rect, guchar alpha)
4295 GdkColor *fill_color_gdk;
4298 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
4299 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
4301 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
4302 rect->width, rect->height);
4303 gdk_pixbuf_fill (pixbuf, fill_color);
4305 gdk_draw_pixbuf (window, NULL, pixbuf,
4307 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
4308 rect->width, rect->height,
4309 GDK_RGB_DITHER_NONE,
4312 g_object_unref (pixbuf);
4314 gc = gdk_gc_new (window);
4315 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
4316 gdk_draw_rectangle (window, gc, FALSE,
4317 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
4320 g_object_unref (gc);
4322 gdk_color_free (fill_color_gdk);
4327 highlight_find_results (EvView *view, int page)
4329 gint i, n_results = 0;
4331 n_results = ev_view_find_get_n_results (view, page);
4333 for (i = 0; i < n_results; i++) {
4334 EvRectangle *rectangle;
4335 GdkRectangle view_rectangle;
4338 if (i == view->find_result && page == view->current_page) {
4344 rectangle = ev_view_find_get_result (view, page, i);
4345 doc_rect_to_view_rect (view, page, rectangle, &view_rectangle);
4346 draw_rubberband (GTK_WIDGET (view), view->layout.bin_window,
4347 &view_rectangle, alpha);
4352 draw_loading_text (EvView *view,
4353 GdkRectangle *page_area,
4354 GdkRectangle *expose_area)
4359 if (!view->loading_text) {
4360 const gchar *loading_text = _("Loading...");
4361 PangoLayout *layout;
4362 PangoFontDescription *font_desc;
4363 PangoRectangle logical_rect;
4367 ev_document_fc_mutex_lock ();
4369 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
4371 font_desc = pango_font_description_new ();
4373 /* We set the font to be 10 points, get the size, and scale appropriately */
4374 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
4375 pango_layout_set_font_description (layout, font_desc);
4376 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
4378 target_width = MAX (page_area->width / 2, 1);
4379 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
4380 pango_font_description_set_size (font_desc, (int)real_scale);
4381 pango_layout_set_font_description (layout, font_desc);
4382 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
4384 view->loading_text = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
4386 logical_rect.height);
4387 cr = cairo_create (view->loading_text);
4388 cairo_set_source_rgb (cr,
4392 pango_cairo_show_layout (cr, layout);
4395 pango_font_description_free (font_desc);
4396 g_object_unref (layout);
4398 ev_document_fc_mutex_unlock ();
4401 width = (page_area->width - cairo_image_surface_get_width (view->loading_text)) / 2;
4402 height = (page_area->height - cairo_image_surface_get_height (view->loading_text)) / 2;
4404 cr = gdk_cairo_create (view->layout.bin_window);
4405 cairo_translate (cr,
4406 page_area->x + width,
4407 page_area->y + height);
4408 cairo_set_source_surface (cr, view->loading_text, 0, 0);
4414 draw_one_page (EvView *view,
4417 GdkRectangle *page_area,
4419 GdkRectangle *expose_area,
4420 gboolean *page_ready)
4422 GdkRectangle overlap;
4423 GdkRectangle real_page_area;
4425 g_assert (view->document);
4427 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
4430 /* Render the document itself */
4431 real_page_area = *page_area;
4433 real_page_area.x += border->left;
4434 real_page_area.y += border->top;
4435 real_page_area.width -= (border->left + border->right);
4436 real_page_area.height -= (border->top + border->bottom);
4439 if (!view->presentation) {
4442 current_page = ev_document_model_get_page (view->model);
4443 ev_document_misc_paint_one_page (view->layout.bin_window,
4446 page == current_page);
4449 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
4451 gint page_width, page_height;
4452 cairo_surface_t *page_surface = NULL;
4453 gint selection_width, selection_height;
4454 cairo_surface_t *selection_surface = NULL;
4456 page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page);
4458 if (!page_surface) {
4459 if (!view->presentation) {
4460 draw_loading_text (view,
4465 *page_ready = FALSE;
4470 ev_view_get_page_size (view, page, &width, &height);
4472 page_width = cairo_image_surface_get_width (page_surface);
4473 page_height = cairo_image_surface_get_height (page_surface);
4476 cairo_translate (cr, overlap.x, overlap.y);
4478 if (width != page_width || height != page_height) {
4479 cairo_pattern_set_filter (cairo_get_source (cr),
4482 (gdouble)width / page_width,
4483 (gdouble)height / page_height);
4486 cairo_surface_set_device_offset (page_surface,
4487 overlap.x - real_page_area.x,
4488 overlap.y - real_page_area.y);
4489 cairo_set_source_surface (cr, page_surface, 0, 0);
4493 /* Get the selection pixbuf iff we have something to draw */
4494 if (find_selection_for_page (view, page) &&
4495 view->selection_mode == EV_VIEW_SELECTION_TEXT) {
4497 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
4503 if (!selection_surface) {
4507 selection_width = cairo_image_surface_get_width (selection_surface);
4508 selection_height = cairo_image_surface_get_height (selection_surface);
4511 cairo_translate (cr, overlap.x, overlap.y);
4513 if (width != selection_width || height != selection_height) {
4514 cairo_pattern_set_filter (cairo_get_source (cr),
4517 (gdouble)width / selection_width,
4518 (gdouble)height / selection_height);
4521 cairo_surface_set_device_offset (selection_surface,
4522 overlap.x - real_page_area.x,
4523 overlap.y - real_page_area.y);
4524 cairo_set_source_surface (cr, selection_surface, 0, 0);
4530 /*** GObject functions ***/
4533 ev_view_finalize (GObject *object)
4535 EvView *view = EV_VIEW (object);
4537 clear_selection (view);
4538 clear_link_selected (view);
4540 if (view->image_dnd_info.image)
4541 g_object_unref (view->image_dnd_info.image);
4542 view->image_dnd_info.image = NULL;
4544 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
4548 ev_view_destroy (GtkObject *object)
4550 EvView *view = EV_VIEW (object);
4553 g_object_unref (view->model);
4557 if (view->pixbuf_cache) {
4558 g_object_unref (view->pixbuf_cache);
4559 view->pixbuf_cache = NULL;
4562 if (view->document) {
4563 g_object_unref (view->document);
4564 view->document = NULL;
4567 if (view->page_cache) {
4568 g_object_unref (view->page_cache);
4569 view->page_cache = NULL;
4572 if (view->goto_window) {
4573 gtk_widget_destroy (view->goto_window);
4574 view->goto_window = NULL;
4575 view->goto_entry = NULL;
4578 ev_view_window_children_free (view);
4580 if (view->selection_scroll_id) {
4581 g_source_remove (view->selection_scroll_id);
4582 view->selection_scroll_id = 0;
4585 if (view->selection_update_id) {
4586 g_source_remove (view->selection_update_id);
4587 view->selection_update_id = 0;
4590 if (view->loading_text) {
4591 cairo_surface_destroy (view->loading_text);
4592 view->loading_text = NULL;
4595 if (view->scroll_info.timeout_id) {
4596 g_source_remove (view->scroll_info.timeout_id);
4597 view->scroll_info.timeout_id = 0;
4600 if (view->drag_info.drag_timeout_id) {
4601 g_source_remove (view->drag_info.drag_timeout_id);
4602 view->drag_info.drag_timeout_id = 0;
4605 if (view->drag_info.release_timeout_id) {
4606 g_source_remove (view->drag_info.release_timeout_id);
4607 view->drag_info.release_timeout_id = 0;
4610 ev_view_presentation_transition_stop (view);
4612 ev_view_set_scroll_adjustments (GTK_LAYOUT (view), NULL, NULL);
4614 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
4618 ev_view_set_property (GObject *object,
4620 const GValue *value,
4623 EvView *view = EV_VIEW (object);
4626 case PROP_PRESENTATION:
4627 ev_view_set_presentation (view, g_value_get_boolean (value));
4630 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
4635 ev_view_get_accessible (GtkWidget *widget)
4637 static gboolean first_time = TRUE;
4640 AtkObjectFactory *factory;
4641 AtkRegistry *registry;
4643 GType derived_atk_type;
4646 * Figure out whether accessibility is enabled by looking at the
4647 * type of the accessible object which would be created for
4648 * the parent type of EvView.
4650 derived_type = g_type_parent (EV_TYPE_VIEW);
4652 registry = atk_get_default_registry ();
4653 factory = atk_registry_get_factory (registry,
4655 derived_atk_type = atk_object_factory_get_accessible_type (factory);
4656 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
4657 atk_registry_set_factory_type (registry,
4659 ev_view_accessible_factory_get_type ());
4662 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
4666 ev_view_get_property (GObject *object,
4671 EvView *view = EV_VIEW (object);
4674 case PROP_PRESENTATION:
4675 g_value_set_boolean (value, view->presentation);
4677 case PROP_HAS_SELECTION:
4678 g_value_set_boolean (value,
4679 view->selection_info.selections != NULL);
4682 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
4687 ev_view_class_init (EvViewClass *class)
4689 GObjectClass *object_class = G_OBJECT_CLASS (class);
4690 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
4691 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
4692 GtkLayoutClass *layout_class = GTK_LAYOUT_CLASS (class);
4693 GtkBindingSet *binding_set;
4695 object_class->finalize = ev_view_finalize;
4696 object_class->set_property = ev_view_set_property;
4697 object_class->get_property = ev_view_get_property;
4699 widget_class->expose_event = ev_view_expose_event;
4700 widget_class->button_press_event = ev_view_button_press_event;
4701 widget_class->motion_notify_event = ev_view_motion_notify_event;
4702 widget_class->button_release_event = ev_view_button_release_event;
4703 widget_class->key_press_event = ev_view_key_press_event;
4704 widget_class->focus_in_event = ev_view_focus_in;
4705 widget_class->focus_out_event = ev_view_focus_out;
4706 widget_class->get_accessible = ev_view_get_accessible;
4707 widget_class->size_request = ev_view_size_request;
4708 widget_class->size_allocate = ev_view_size_allocate;
4709 widget_class->realize = ev_view_realize;
4710 widget_class->scroll_event = ev_view_scroll_event;
4711 widget_class->enter_notify_event = ev_view_enter_notify_event;
4712 widget_class->leave_notify_event = ev_view_leave_notify_event;
4713 widget_class->style_set = ev_view_style_set;
4714 widget_class->drag_data_get = ev_view_drag_data_get;
4715 widget_class->drag_motion = ev_view_drag_motion;
4716 widget_class->popup_menu = ev_view_popup_menu;
4717 widget_class->query_tooltip = ev_view_query_tooltip;
4719 gtk_object_class->destroy = ev_view_destroy;
4721 layout_class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
4723 class->binding_activated = ev_view_scroll;
4725 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
4726 G_TYPE_FROM_CLASS (object_class),
4727 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4728 G_STRUCT_OFFSET (EvViewClass, binding_activated),
4730 ev_view_marshal_VOID__ENUM_BOOLEAN,
4732 GTK_TYPE_SCROLL_TYPE,
4734 signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link",
4735 G_TYPE_FROM_CLASS (object_class),
4736 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4737 G_STRUCT_OFFSET (EvViewClass, handle_link),
4739 g_cclosure_marshal_VOID__OBJECT,
4742 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
4743 G_TYPE_FROM_CLASS (object_class),
4744 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4745 G_STRUCT_OFFSET (EvViewClass, external_link),
4747 g_cclosure_marshal_VOID__OBJECT,
4750 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
4751 G_TYPE_FROM_CLASS (object_class),
4752 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4753 G_STRUCT_OFFSET (EvViewClass, popup_menu),
4755 g_cclosure_marshal_VOID__OBJECT,
4760 g_object_class_install_property (object_class,
4762 g_param_spec_boolean ("presentation",
4764 "Draw page in presentation mode",
4766 G_PARAM_READWRITE));
4767 g_object_class_install_property (object_class,
4769 g_param_spec_boolean ("has-selection",
4771 "The view has selections",
4775 binding_set = gtk_binding_set_by_class (class);
4777 add_scroll_binding_keypad (binding_set, GDK_Left, 0, GTK_SCROLL_STEP_BACKWARD, TRUE);
4778 add_scroll_binding_keypad (binding_set, GDK_Right, 0, GTK_SCROLL_STEP_FORWARD, TRUE);
4779 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, TRUE);
4780 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, TRUE);
4781 add_scroll_binding_keypad (binding_set, GDK_Up, 0, GTK_SCROLL_STEP_BACKWARD, FALSE);
4782 add_scroll_binding_keypad (binding_set, GDK_Down, 0, GTK_SCROLL_STEP_FORWARD, FALSE);
4783 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, FALSE);
4784 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, FALSE);
4785 gtk_binding_entry_add_signal (binding_set, GDK_H, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4786 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE);
4787 gtk_binding_entry_add_signal (binding_set, GDK_J, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4788 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE);
4789 gtk_binding_entry_add_signal (binding_set, GDK_K, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4790 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE);
4791 gtk_binding_entry_add_signal (binding_set, GDK_L, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4792 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE);
4797 ev_view_init (EvView *view)
4799 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
4801 view->start_page = -1;
4802 view->end_page = -1;
4805 view->current_page = 0;
4806 view->pressed_button = -1;
4807 view->cursor = EV_VIEW_CURSOR_NORMAL;
4808 view->drag_info.in_drag = FALSE;
4809 view->scroll_info.autoscrolling = FALSE;
4810 view->selection_info.selections = NULL;
4811 view->selection_info.in_selection = FALSE;
4812 view->selection_info.in_drag = FALSE;
4813 view->selection_mode = EV_VIEW_SELECTION_TEXT;
4814 view->continuous = TRUE;
4815 view->dual_page = FALSE;
4816 view->presentation = FALSE;
4817 view->presentation_state = EV_PRESENTATION_NORMAL;
4818 view->fullscreen = FALSE;
4819 view->sizing_mode = EV_SIZING_FIT_WIDTH;
4820 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4821 view->jump_to_find_result = TRUE;
4822 view->highlight_find_results = FALSE;
4824 gtk_layout_set_hadjustment (GTK_LAYOUT (view), NULL);
4825 gtk_layout_set_vadjustment (GTK_LAYOUT (view), NULL);
4831 ev_view_change_page (EvView *view,
4833 gboolean start_transition)
4837 view->current_page = new_page;
4838 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4840 if (view->presentation && start_transition)
4841 ev_view_presentation_transition_start (view);
4843 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4844 ev_view_handle_cursor_over_xy (view, x, y);
4846 gtk_widget_queue_resize (GTK_WIDGET (view));
4850 ev_view_transition_animation_finish (EvTransitionAnimation *animation,
4853 g_object_unref (view->animation);
4854 view->animation = NULL;
4855 ev_view_change_page (view, view->current_page, TRUE);
4859 * ev_view_transition_animation_cancel:
4860 * @animation: Animation to finish
4863 * Does almost the same as cancel, but without scheduling the transition.
4867 ev_view_transition_animation_cancel (EvTransitionAnimation *animation,
4870 g_object_unref (view->animation);
4871 view->animation = NULL;
4872 ev_view_change_page (view, view->current_page, FALSE);
4876 ev_view_transition_animation_frame (EvTransitionAnimation *animation,
4880 gtk_widget_queue_draw (GTK_WIDGET (view));
4884 ev_view_presentation_animation_start (EvView *view,
4887 EvTransitionEffect *effect = NULL;
4888 cairo_surface_t *surface;
4890 if (EV_IS_DOCUMENT_TRANSITION (view->document))
4891 effect = ev_document_transition_get_effect (EV_DOCUMENT_TRANSITION (view->document),
4892 view->current_page);
4896 view->animation = ev_transition_animation_new (effect);
4898 surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page);
4899 ev_transition_animation_set_origin_surface (view->animation, surface);
4900 surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, new_page);
4902 ev_transition_animation_set_dest_surface (view->animation, surface);
4904 g_signal_connect (view->animation, "frame",
4905 G_CALLBACK (ev_view_transition_animation_frame), view);
4906 g_signal_connect (view->animation, "finished",
4907 G_CALLBACK (ev_view_transition_animation_finish), view);
4911 job_finished_cb (EvPixbufCache *pixbuf_cache,
4915 if (view->animation) {
4916 cairo_surface_t *surface;
4918 surface = ev_pixbuf_cache_get_surface (pixbuf_cache, view->current_page);
4919 ev_transition_animation_set_dest_surface (view->animation, surface);
4923 gdk_window_invalidate_region (view->layout.bin_window,
4926 gtk_widget_queue_draw (GTK_WIDGET (view));
4931 ev_view_page_changed_cb (EvDocumentModel *model,
4936 if (!view->document)
4939 if (view->current_page != new_page) {
4940 if (view->presentation)
4941 ev_view_presentation_animation_start (view, new_page);
4943 ev_view_change_page (view, new_page, TRUE);
4945 gtk_widget_queue_draw (GTK_WIDGET (view));
4948 view->find_result = 0;
4952 on_adjustment_value_changed (GtkAdjustment *adjustment,
4957 GList *children, *l;
4959 if (! GTK_WIDGET_REALIZED (view))
4962 if (view->hadjustment) {
4963 dx = view->scroll_x - (int) view->hadjustment->value;
4964 view->scroll_x = (int) view->hadjustment->value;
4969 if (view->vadjustment) {
4970 dy = view->scroll_y - (int) view->vadjustment->value;
4971 view->scroll_y = (int) view->vadjustment->value;
4976 children = gtk_container_get_children (GTK_CONTAINER (view));
4977 for (l = children; l && l->data; l = g_list_next (l)) {
4978 gint child_x, child_y;
4979 GtkWidget *child = (GtkWidget *)l->data;
4981 gtk_container_child_get (GTK_CONTAINER (view),
4986 gtk_layout_move (GTK_LAYOUT (view), child, child_x + dx, child_y + dy);
4988 g_list_free (children);
4990 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
4991 EvViewWindowChild *child;
4993 child = (EvViewWindowChild *)l->data;
4995 ev_view_window_child_move (view, child, child->x + dx, child->y + dy);
4998 if (view->pending_resize)
4999 gtk_widget_queue_draw (GTK_WIDGET (view));
5001 gdk_window_scroll (view->layout.bin_window, dx, dy);
5003 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
5004 ev_view_handle_cursor_over_xy (view, x, y);
5007 view_update_range_and_current_page (view);
5015 view = g_object_new (EV_TYPE_VIEW, NULL);
5021 setup_caches (EvView *view)
5023 gboolean inverted_colors;
5025 view->height_to_page_cache = ev_view_get_height_to_page_cache (view);
5026 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
5027 view->page_cache = ev_page_cache_new (view->document);
5028 inverted_colors = ev_document_model_get_inverted_colors (view->model);
5029 ev_pixbuf_cache_set_inverted_colors (view->pixbuf_cache, inverted_colors);
5030 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
5034 clear_caches (EvView *view)
5036 if (view->pixbuf_cache) {
5037 g_object_unref (view->pixbuf_cache);
5038 view->pixbuf_cache = NULL;
5041 if (view->page_cache) {
5042 g_object_unref (view->page_cache);
5043 view->page_cache = NULL;
5048 ev_view_set_loading (EvView *view,
5051 view->loading = loading;
5052 gtk_widget_queue_draw (GTK_WIDGET (view));
5056 ev_view_autoscroll_cb (EvView *view)
5058 gdouble speed, value;
5060 /* If the user stops autoscrolling, autoscrolling will be
5061 * set to false but the timeout will continue; stop the timeout: */
5062 if (!view->scroll_info.autoscrolling) {
5063 view->scroll_info.timeout_id = 0;
5067 if (view->scroll_info.last_y > view->scroll_info.start_y &&
5068 (view->scroll_info.last_y < view->scroll_info.start_y))
5071 /* Replace 100 with your speed of choice: The lower the faster.
5072 * Replace 3 with another speed of choice: The higher, the faster it accelerated
5073 * based on the distance of the starting point from the mouse
5074 * (All also effected by the timeout interval of this callback) */
5076 if (view->scroll_info.start_y > view->scroll_info.last_y)
5077 speed = -pow ((((gdouble)view->scroll_info.start_y - view->scroll_info.last_y) / 100), 3);
5079 speed = pow ((((gdouble)view->scroll_info.last_y - view->scroll_info.start_y) / 100), 3);
5081 value = gtk_adjustment_get_value (view->vadjustment);
5082 value = CLAMP (value + speed, 0, view->vadjustment->upper - view->vadjustment->page_size);
5083 gtk_adjustment_set_value (view->vadjustment, value);
5090 ev_view_autoscroll_start (EvView *view)
5094 g_return_if_fail (EV_IS_VIEW (view));
5096 if (view->scroll_info.autoscrolling)
5099 view->scroll_info.autoscrolling = TRUE;
5100 view->scroll_info.timeout_id =
5101 g_timeout_add (20, (GSourceFunc)ev_view_autoscroll_cb,
5104 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
5105 ev_view_handle_cursor_over_xy (view, x, y);
5109 ev_view_autoscroll_stop (EvView *view)
5113 g_return_if_fail (EV_IS_VIEW (view));
5115 if (!view->scroll_info.autoscrolling)
5118 view->scroll_info.autoscrolling = FALSE;
5119 if (view->scroll_info.timeout_id) {
5120 g_source_remove (view->scroll_info.timeout_id);
5121 view->scroll_info.timeout_id = 0;
5124 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
5125 ev_view_handle_cursor_over_xy (view, x, y);
5129 ev_view_document_changed_cb (EvDocumentModel *model,
5133 EvDocument *document = ev_document_model_get_document (model);
5135 view->loading = FALSE;
5137 if (document != view->document) {
5140 clear_caches (view);
5142 if (view->document) {
5143 g_object_unref (view->document);
5146 view->document = document;
5147 view->find_result = 0;
5149 if (view->document) {
5150 g_object_ref (view->document);
5151 setup_caches (view);
5154 current_page = ev_document_model_get_page (model);
5155 if (view->current_page != current_page) {
5156 ev_view_change_page (view, current_page, TRUE);
5158 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
5159 gtk_widget_queue_resize (GTK_WIDGET (view));
5165 ev_view_rotation_changed_cb (EvDocumentModel *model,
5169 gint rotation = ev_document_model_get_rotation (model);
5171 view->rotation = rotation;
5173 if (view->pixbuf_cache) {
5174 ev_pixbuf_cache_clear (view->pixbuf_cache);
5175 if (!ev_document_is_page_size_uniform (view->document))
5176 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5177 gtk_widget_queue_resize (GTK_WIDGET (view));
5180 ev_view_remove_all (view);
5183 clear_selection (view);
5187 ev_view_inverted_colors_changed_cb (EvDocumentModel *model,
5191 if (view->pixbuf_cache) {
5192 gboolean inverted_colors;
5194 inverted_colors = ev_document_model_get_inverted_colors (model);
5195 ev_pixbuf_cache_set_inverted_colors (view->pixbuf_cache, inverted_colors);
5196 gtk_widget_queue_draw (GTK_WIDGET (view));
5201 ev_view_sizing_mode_changed_cb (EvDocumentModel *model,
5205 EvSizingMode mode = ev_document_model_get_sizing_mode (model);
5207 view->sizing_mode = mode;
5208 if (mode != EV_SIZING_FREE)
5209 gtk_widget_queue_resize (GTK_WIDGET (view));
5212 #define EPSILON 0.0000001
5214 ev_view_scale_changed_cb (EvDocumentModel *model,
5218 gdouble scale = ev_document_model_get_scale (model);
5220 if (ABS (view->scale - scale) < EPSILON)
5223 if (view->loading_text) {
5224 cairo_surface_destroy (view->loading_text);
5225 view->loading_text = NULL;
5228 view->scale = scale;
5230 view->pending_resize = TRUE;
5231 if (view->sizing_mode == EV_SIZING_FREE)
5232 gtk_widget_queue_resize (GTK_WIDGET (view));
5236 ev_view_continuous_changed_cb (EvDocumentModel *model,
5240 gboolean continuous = ev_document_model_get_continuous (model);
5242 view->continuous = continuous;
5243 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5244 gtk_widget_queue_resize (GTK_WIDGET (view));
5248 ev_view_dual_page_changed_cb (EvDocumentModel *model,
5252 gboolean dual_page = ev_document_model_get_dual_page (model);
5254 view->dual_page = dual_page;
5255 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5256 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
5257 * preload_cache_size to be 2 if dual_page is set.
5259 gtk_widget_queue_resize (GTK_WIDGET (view));
5263 ev_view_fullscreen_changed_cb (EvDocumentModel *model,
5267 gboolean fullscreen = ev_document_model_get_fullscreen (model);
5269 view->fullscreen = fullscreen;
5270 gtk_widget_queue_resize (GTK_WIDGET (view));
5274 ev_view_set_model (EvView *view,
5275 EvDocumentModel *model)
5277 g_return_if_fail (EV_IS_VIEW (view));
5278 g_return_if_fail (EV_IS_DOCUMENT_MODEL (model));
5280 if (model == view->model)
5284 g_signal_handlers_disconnect_by_func (view->model,
5285 ev_view_document_changed_cb,
5287 g_signal_handlers_disconnect_by_func (view->model,
5288 ev_view_page_changed_cb,
5290 g_object_unref (view->model);
5292 view->model = g_object_ref (model);
5293 g_signal_connect (view->model, "notify::document",
5294 G_CALLBACK (ev_view_document_changed_cb),
5296 g_signal_connect (view->model, "notify::rotation",
5297 G_CALLBACK (ev_view_rotation_changed_cb),
5299 g_signal_connect (view->model, "notify::inverted-colors",
5300 G_CALLBACK (ev_view_inverted_colors_changed_cb),
5302 g_signal_connect (view->model, "notify::sizing-mode",
5303 G_CALLBACK (ev_view_sizing_mode_changed_cb),
5305 g_signal_connect (view->model, "notify::scale",
5306 G_CALLBACK (ev_view_scale_changed_cb),
5308 g_signal_connect (view->model, "notify::continuous",
5309 G_CALLBACK (ev_view_continuous_changed_cb),
5311 g_signal_connect (view->model, "notify::dual-page",
5312 G_CALLBACK (ev_view_dual_page_changed_cb),
5314 g_signal_connect (view->model, "notify::fullscreen",
5315 G_CALLBACK (ev_view_fullscreen_changed_cb),
5317 g_signal_connect (view->model, "page-changed",
5318 G_CALLBACK (ev_view_page_changed_cb),
5323 ev_view_reload_page (EvView *view,
5327 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
5335 ev_view_reload (EvView *view)
5337 ev_pixbuf_cache_clear (view->pixbuf_cache);
5338 view_update_range_and_current_page (view);
5342 ev_view_set_presentation (EvView *view,
5343 gboolean presentation)
5345 g_return_if_fail (EV_IS_VIEW (view));
5347 presentation = presentation != FALSE;
5349 if (view->presentation == presentation)
5353 view->presentation_state = EV_PRESENTATION_NORMAL;
5355 view->presentation = presentation;
5356 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5359 view->sizing_mode_saved = view->sizing_mode;
5360 view->scale_saved = view->scale;
5361 ev_document_model_set_sizing_mode (view->model, EV_SIZING_BEST_FIT);
5363 ev_document_model_set_sizing_mode (view->model, view->sizing_mode_saved);
5364 ev_document_model_set_scale (view->model, view->scale_saved);
5367 gtk_widget_queue_resize (GTK_WIDGET (view));
5370 ev_view_presentation_transition_start (view);
5372 ev_view_presentation_transition_stop (view);
5374 if (view->animation) {
5375 /* stop any running animation */
5376 ev_view_transition_animation_cancel (view->animation, view);
5380 if (GTK_WIDGET_REALIZED (view)) {
5381 if (view->presentation)
5382 gdk_window_set_background (view->layout.bin_window,
5383 >K_WIDGET (view)->style->black);
5385 gdk_window_set_background (view->layout.bin_window,
5386 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
5389 g_object_notify (G_OBJECT (view), "presentation");
5393 ev_view_get_presentation (EvView *view)
5395 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5397 return view->presentation;
5401 transition_next_page (EvView *view)
5403 ev_view_next_page (view);
5409 ev_view_presentation_transition_stop (EvView *view)
5411 if (view->trans_timeout_id > 0)
5412 g_source_remove (view->trans_timeout_id);
5413 view->trans_timeout_id = 0;
5417 ev_view_presentation_transition_start (EvView *view)
5421 if (!EV_IS_DOCUMENT_TRANSITION (view->document))
5424 ev_view_presentation_transition_stop (view);
5426 duration = ev_document_transition_get_page_duration (EV_DOCUMENT_TRANSITION (view->document),
5427 view->current_page);
5429 view->trans_timeout_id =
5430 g_timeout_add_seconds (duration,
5431 (GSourceFunc) transition_next_page,
5436 /*** Zoom and sizing mode ***/
5439 ev_view_can_zoom_in (EvView *view)
5441 return view->scale * ZOOM_IN_FACTOR <= ev_document_model_get_max_scale (view->model);
5445 ev_view_can_zoom_out (EvView *view)
5447 return view->scale * ZOOM_OUT_FACTOR >= ev_document_model_get_min_scale (view->model);
5451 ev_view_zoom_in (EvView *view)
5455 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5457 if (view->presentation)
5460 view->pending_scroll = SCROLL_TO_CENTER;
5461 scale = ev_document_model_get_scale (view->model) * ZOOM_IN_FACTOR;
5462 ev_document_model_set_scale (view->model, scale);
5466 ev_view_zoom_out (EvView *view)
5470 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5472 if (view->presentation)
5475 view->pending_scroll = SCROLL_TO_CENTER;
5476 scale = ev_document_model_get_scale (view->model) * ZOOM_OUT_FACTOR;
5477 ev_document_model_set_scale (view->model, scale);
5481 zoom_for_size_fit_width (gdouble doc_width,
5486 return (double)target_width / doc_width;
5490 zoom_for_size_fit_height (gdouble doc_width,
5495 return (double)target_height / doc_height;
5499 zoom_for_size_best_fit (gdouble doc_width,
5507 w_scale = (double)target_width / doc_width;
5508 h_scale = (double)target_height / doc_height;
5510 return MIN (w_scale, h_scale);
5515 ev_view_zoom_for_size_presentation (EvView *view,
5519 gdouble doc_width, doc_height;
5522 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5523 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5524 ev_document_model_set_scale (view->model, scale);
5528 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
5532 gdouble doc_width, doc_height;
5536 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5537 if (view->rotation == 90 || view->rotation == 270) {
5541 doc_width = doc_height;
5545 compute_border (view, doc_width, doc_height, &border);
5548 width -= (2 * (border.left + border.right) + 3 * view->spacing);
5549 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5551 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5554 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5555 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5556 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5557 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5559 g_assert_not_reached ();
5561 ev_document_model_set_scale (view->model, scale);
5565 ev_view_zoom_for_size_continuous (EvView *view,
5569 gdouble doc_width, doc_height;
5573 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5574 if (view->rotation == 90 || view->rotation == 270) {
5578 doc_width = doc_height;
5582 compute_border (view, doc_width, doc_height, &border);
5584 width -= (border.left + border.right + 2 * view->spacing);
5585 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5587 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5590 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5591 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5592 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5593 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5595 g_assert_not_reached ();
5597 ev_document_model_set_scale (view->model, scale);
5601 ev_view_zoom_for_size_dual_page (EvView *view,
5606 gdouble doc_width, doc_height;
5610 other_page = view->current_page ^ 1;
5612 /* Find the largest of the two. */
5613 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5614 if (other_page < ev_document_get_n_pages (view->document)) {
5615 gdouble width_2, height_2;
5617 get_doc_page_size (view, other_page, &width_2, &height_2);
5618 if (width_2 > doc_width)
5619 doc_width = width_2;
5620 if (height_2 > doc_height)
5621 doc_height = height_2;
5623 compute_border (view, width, height, &border);
5625 doc_width = doc_width * 2;
5626 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
5627 height -= (border.top + border.bottom + 2 * view->spacing);
5629 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5632 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5633 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5634 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5635 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5637 g_assert_not_reached ();
5639 ev_document_model_set_scale (view->model, scale);
5643 ev_view_zoom_for_size_single_page (EvView *view,
5647 gdouble doc_width, doc_height;
5651 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5653 /* Get an approximate border */
5654 compute_border (view, width, height, &border);
5656 width -= (border.left + border.right + 2 * view->spacing);
5657 height -= (border.top + border.bottom + 2 * view->spacing);
5659 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5662 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5663 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5664 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5665 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5667 g_assert_not_reached ();
5669 ev_document_model_set_scale (view->model, scale);
5673 ev_view_zoom_for_size (EvView *view,
5677 g_return_if_fail (EV_IS_VIEW (view));
5678 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
5679 view->sizing_mode == EV_SIZING_BEST_FIT);
5680 g_return_if_fail (width >= 0);
5681 g_return_if_fail (height >= 0);
5683 if (view->document == NULL)
5686 if (view->presentation)
5687 ev_view_zoom_for_size_presentation (view, width, height);
5688 else if (view->continuous && view->dual_page)
5689 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height);
5690 else if (view->continuous)
5691 ev_view_zoom_for_size_continuous (view, width, height);
5692 else if (view->dual_page)
5693 ev_view_zoom_for_size_dual_page (view, width, height);
5695 ev_view_zoom_for_size_single_page (view, width, height);
5700 ev_view_find_get_n_results (EvView *view, gint page)
5702 return view->find_pages ? g_list_length (view->find_pages[page]) : 0;
5705 static EvRectangle *
5706 ev_view_find_get_result (EvView *view, gint page, gint result)
5708 return view->find_pages ? (EvRectangle *) g_list_nth_data (view->find_pages[page], result) : NULL;
5712 jump_to_find_result (EvView *view)
5715 gint page = view->current_page;
5717 n_results = ev_view_find_get_n_results (view, page);
5719 if (n_results > 0 && view->find_result < n_results) {
5721 GdkRectangle view_rect;
5723 rect = ev_view_find_get_result (view, page, view->find_result);
5724 doc_rect_to_view_rect (view, page, rect, &view_rect);
5725 ensure_rectangle_is_visible (view, &view_rect);
5726 view->jump_to_find_result = FALSE;
5732 * @view: #EvView instance
5733 * @direction: Direction to look
5734 * @shift: Shift from current page
5736 * Jumps to the first page that has occurences of searched word.
5737 * Uses a direction where to look and a shift from current page.
5741 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
5745 n_pages = ev_document_get_n_pages (view->document);
5747 for (i = 0; i < n_pages; i++) {
5750 if (direction == EV_VIEW_FIND_NEXT)
5751 page = view->current_page + i;
5753 page = view->current_page - i;
5756 if (page >= n_pages) {
5757 page = page - n_pages;
5758 } else if (page < 0)
5759 page = page + n_pages;
5761 if (ev_view_find_get_n_results (view, page) > 0) {
5762 ev_document_model_set_page (view->model, page);
5769 ev_view_find_changed (EvView *view, GList **results, gint page)
5771 view->find_pages = results;
5773 if (view->jump_to_find_result == TRUE) {
5774 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
5775 jump_to_find_result (view);
5778 if (view->current_page == page)
5779 gtk_widget_queue_draw (GTK_WIDGET (view));
5783 ev_view_find_next (EvView *view)
5787 n_results = ev_view_find_get_n_results (view, view->current_page);
5788 view->find_result++;
5790 if (view->find_result >= n_results) {
5791 view->find_result = 0;
5792 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
5793 jump_to_find_result (view);
5795 jump_to_find_result (view);
5796 gtk_widget_queue_draw (GTK_WIDGET (view));
5801 ev_view_find_previous (EvView *view)
5803 view->find_result--;
5805 if (view->find_result < 0) {
5806 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
5807 view->find_result = MAX (0, ev_view_find_get_n_results (view, view->current_page) - 1);
5808 jump_to_find_result (view);
5810 jump_to_find_result (view);
5811 gtk_widget_queue_draw (GTK_WIDGET (view));
5816 ev_view_find_search_changed (EvView *view)
5818 /* search string has changed, focus on new search result */
5819 view->jump_to_find_result = TRUE;
5820 view->find_pages = NULL;
5824 ev_view_find_set_highlight_search (EvView *view, gboolean value)
5826 view->highlight_find_results = value;
5827 gtk_widget_queue_draw (GTK_WIDGET (view));
5831 ev_view_find_cancel (EvView *view)
5833 view->find_pages = NULL;
5836 /*** Selections ***/
5838 /* compute_new_selection_rect/text calculates the area currently selected by
5839 * view_rect. each handles a different mode;
5842 compute_new_selection_rect (EvView *view,
5846 GdkRectangle view_rect;
5850 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
5852 view_rect.x = MIN (start->x, stop->x);
5853 view_rect.y = MIN (start->y, stop->y);
5854 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
5855 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
5857 n_pages = ev_document_get_n_pages (view->document);
5859 for (i = 0; i < n_pages; i++) {
5860 GdkRectangle page_area;
5863 if (get_page_extents (view, i, &page_area, &border)) {
5864 GdkRectangle overlap;
5866 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
5867 EvViewSelection *selection;
5869 selection = g_new0 (EvViewSelection, 1);
5870 selection->page = i;
5871 view_rect_to_doc_rect (view, &overlap, &page_area,
5872 &(selection->rect));
5874 list = g_list_append (list, selection);
5883 gdk_rectangle_point_in (GdkRectangle *rectangle,
5886 return rectangle->x <= point->x &&
5887 rectangle->y <= point->y &&
5888 point->x < rectangle->x + rectangle->width &&
5889 point->y < rectangle->y + rectangle->height;
5893 compute_new_selection_text (EvView *view,
5894 EvSelectionStyle style,
5898 int n_pages, i, first, last;
5900 EvViewSelection *selection;
5901 gdouble width, height;
5902 int start_page, end_page;
5904 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
5906 n_pages = ev_document_get_n_pages (view->document);
5908 /* First figure out the range of pages the selection
5912 if (view->continuous) {
5915 } else if (view->dual_page) {
5916 start_page = view->start_page;
5917 end_page = view->end_page + 1;
5919 start_page = view->current_page;
5920 end_page = view->current_page + 1;
5923 for (i = start_page; i < end_page; i++) {
5924 GdkRectangle page_area;
5927 get_page_extents (view, i, &page_area, &border);
5928 if (gdk_rectangle_point_in (&page_area, start) ||
5929 gdk_rectangle_point_in (&page_area, stop)) {
5930 if (first == n_pages)
5937 /* Now create a list of EvViewSelection's for the affected
5938 * pages. This could be an empty list, a list of just one
5939 * page or a number of pages.*/
5940 for (i = first; i < last + 1; i++) {
5941 GdkRectangle page_area;
5945 get_doc_page_size (view, i, &width, &height);
5947 selection = g_new0 (EvViewSelection, 1);
5948 selection->page = i;
5949 selection->style = style;
5950 selection->rect.x1 = selection->rect.y1 = 0;
5951 selection->rect.x2 = width;
5952 selection->rect.y2 = height;
5954 get_page_extents (view, i, &page_area, &border);
5956 if (gdk_rectangle_point_in (&page_area, start))
5962 view_point_to_doc_point (view, point, &page_area,
5963 &selection->rect.x1,
5964 &selection->rect.y1);
5966 /* If the selection is contained within just one page,
5967 * make sure we don't write 'start' into both points
5968 * in selection->rect. */
5973 view_point_to_doc_point (view, point, &page_area,
5974 &selection->rect.x2,
5975 &selection->rect.y2);
5977 list = g_list_append (list, selection);
5983 /* This function takes the newly calculated list, and figures out which regions
5984 * have changed. It then queues a redraw approporiately.
5987 merge_selection_region (EvView *view,
5991 GList *new_list_ptr, *old_list_ptr;
5993 /* Update the selection */
5994 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
5995 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5996 g_list_free (view->selection_info.selections);
5997 view->selection_info.selections = new_list;
5998 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
5999 g_object_notify (G_OBJECT (view), "has-selection");
6001 new_list_ptr = new_list;
6002 old_list_ptr = old_list;
6004 while (new_list_ptr || old_list_ptr) {
6005 EvViewSelection *old_sel, *new_sel;
6007 GdkRegion *region = NULL;
6009 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
6010 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
6012 /* Assume that the lists are in order, and we run through them
6013 * comparing them, one page at a time. We come out with the
6014 * first page we see. */
6015 if (new_sel && old_sel) {
6016 if (new_sel->page < old_sel->page) {
6017 new_list_ptr = new_list_ptr->next;
6019 } else if (new_sel->page > old_sel->page) {
6020 old_list_ptr = old_list_ptr->next;
6023 new_list_ptr = new_list_ptr->next;
6024 old_list_ptr = old_list_ptr->next;
6026 } else if (new_sel) {
6027 new_list_ptr = new_list_ptr->next;
6028 } else if (old_sel) {
6029 old_list_ptr = old_list_ptr->next;
6032 g_assert (new_sel || old_sel);
6034 /* is the page we're looking at on the screen?*/
6035 cur_page = new_sel ? new_sel->page : old_sel->page;
6036 if (cur_page < view->start_page || cur_page > view->end_page)
6039 /* seed the cache with a new page. We are going to need the new
6042 GdkRegion *tmp_region = NULL;
6044 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
6050 new_sel->covered_region = gdk_region_copy (tmp_region);
6054 /* Now we figure out what needs redrawing */
6055 if (old_sel && new_sel) {
6056 if (old_sel->covered_region && new_sel->covered_region) {
6057 /* We only want to redraw the areas that have
6058 * changed, so we xor the old and new regions
6059 * and redraw if it's different */
6060 region = gdk_region_copy (old_sel->covered_region);
6061 gdk_region_xor (region, new_sel->covered_region);
6062 if (gdk_region_empty (region)) {
6063 gdk_region_destroy (region);
6066 } else if (old_sel->covered_region) {
6067 region = gdk_region_copy (old_sel->covered_region);
6068 } else if (new_sel->covered_region) {
6069 region = gdk_region_copy (new_sel->covered_region);
6071 } else if (old_sel && !new_sel) {
6072 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
6073 region = gdk_region_copy (old_sel->covered_region);
6075 } else if (!old_sel && new_sel) {
6076 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
6077 region = gdk_region_copy (new_sel->covered_region);
6080 g_assert_not_reached ();
6083 /* Redraw the damaged region! */
6085 GdkRectangle page_area;
6088 /* I don't know why but the region is smaller
6089 * than expected. This hack fixes it, I guess
6090 * 10 pixels more won't hurt
6092 gdk_region_shrink (region, -5, -5);
6094 get_page_extents (view, cur_page, &page_area, &border);
6095 gdk_region_offset (region,
6096 page_area.x + border.left - view->scroll_x,
6097 page_area.y + border.top - view->scroll_y);
6098 gdk_window_invalidate_region (view->layout.bin_window, region, TRUE);
6099 gdk_region_destroy (region);
6103 /* Free the old list, now that we're done with it. */
6104 g_list_foreach (old_list, (GFunc) selection_free, NULL);
6105 g_list_free (old_list);
6109 compute_selections (EvView *view,
6110 EvSelectionStyle style,
6116 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
6117 list = compute_new_selection_rect (view, start, stop);
6119 list = compute_new_selection_text (view, style, start, stop);
6120 merge_selection_region (view, list);
6123 /* Free's the selection. It's up to the caller to queue redraws if needed.
6126 selection_free (EvViewSelection *selection)
6128 if (selection->covered_region)
6129 gdk_region_destroy (selection->covered_region);
6134 clear_selection (EvView *view)
6136 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
6137 g_list_free (view->selection_info.selections);
6138 view->selection_info.selections = NULL;
6139 view->selection_info.in_selection = FALSE;
6140 if (view->pixbuf_cache)
6141 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
6142 g_object_notify (G_OBJECT (view), "has-selection");
6146 ev_view_select_all (EvView *view)
6148 GList *selections = NULL;
6151 /* Disable selection on rotated pages for the 0.4.0 series */
6152 if (view->rotation != 0)
6155 clear_selection (view);
6157 n_pages = ev_document_get_n_pages (view->document);
6158 for (i = 0; i < n_pages; i++) {
6159 gdouble width, height;
6160 EvViewSelection *selection;
6162 get_doc_page_size (view, i, &width, &height);
6164 selection = g_new0 (EvViewSelection, 1);
6165 selection->page = i;
6166 selection->style = EV_SELECTION_STYLE_GLYPH;
6167 selection->rect.x1 = selection->rect.y1 = 0;
6168 selection->rect.x2 = width;
6169 selection->rect.y2 = height;
6171 selections = g_list_append (selections, selection);
6174 merge_selection_region (view, selections);
6175 gtk_widget_queue_draw (GTK_WIDGET (view));
6179 ev_view_get_has_selection (EvView *view)
6181 return view->selection_info.selections != NULL;
6185 get_selected_text (EvView *view)
6189 gchar *normalized_text;
6190 EvRenderContext *rc;
6192 text = g_string_new (NULL);
6193 rc = ev_render_context_new (NULL, view->rotation, view->scale);
6195 ev_document_doc_mutex_lock ();
6197 for (l = view->selection_info.selections; l != NULL; l = l->next) {
6198 EvViewSelection *selection = (EvViewSelection *)l->data;
6202 page = ev_document_get_page (view->document, selection->page);
6203 ev_render_context_set_page (rc, page);
6204 g_object_unref (page);
6206 tmp = ev_selection_get_selected_text (EV_SELECTION (view->document),
6207 rc, selection->style,
6208 &(selection->rect));
6210 g_string_append (text, tmp);
6214 g_object_unref (rc);
6216 ev_document_doc_mutex_unlock ();
6218 normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC);
6219 g_string_free (text, TRUE);
6220 return normalized_text;
6224 ev_view_clipboard_copy (EvView *view,
6227 GtkClipboard *clipboard;
6229 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
6230 GDK_SELECTION_CLIPBOARD);
6231 gtk_clipboard_set_text (clipboard, text, -1);
6235 ev_view_copy (EvView *ev_view)
6239 if (!EV_IS_SELECTION (ev_view->document))
6242 text = get_selected_text (ev_view);
6243 ev_view_clipboard_copy (ev_view, text);
6248 ev_view_primary_get_cb (GtkClipboard *clipboard,
6249 GtkSelectionData *selection_data,
6253 EvView *ev_view = EV_VIEW (data);
6255 if (ev_view->link_selected) {
6256 gtk_selection_data_set_text (selection_data,
6257 ev_link_action_get_uri (ev_view->link_selected),
6259 } else if (EV_IS_SELECTION (ev_view->document) &&
6260 ev_view->selection_info.selections) {
6263 text = get_selected_text (ev_view);
6265 gtk_selection_data_set_text (selection_data, text, -1);
6272 ev_view_primary_clear_cb (GtkClipboard *clipboard,
6275 EvView *view = EV_VIEW (data);
6277 clear_selection (view);
6278 clear_link_selected (view);
6282 ev_view_update_primary_selection (EvView *ev_view)
6284 GtkClipboard *clipboard;
6286 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
6287 GDK_SELECTION_PRIMARY);
6289 if (ev_view->selection_info.selections || ev_view->link_selected) {
6290 GtkTargetList *target_list;
6291 GtkTargetEntry *targets;
6294 target_list = gtk_target_list_new (NULL, 0);
6295 gtk_target_list_add_text_targets (target_list, 0);
6296 targets = gtk_target_table_new_from_list (target_list, &n_targets);
6297 gtk_target_list_unref (target_list);
6299 if (!gtk_clipboard_set_with_owner (clipboard,
6301 ev_view_primary_get_cb,
6302 ev_view_primary_clear_cb,
6303 G_OBJECT (ev_view)))
6304 ev_view_primary_clear_cb (clipboard, ev_view);
6306 gtk_target_table_free (targets, n_targets);
6308 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
6309 gtk_clipboard_clear (clipboard);
6314 clear_link_selected (EvView *view)
6316 if (view->link_selected) {
6317 g_object_unref (view->link_selected);
6318 view->link_selected = NULL;
6323 ev_view_copy_link_address (EvView *view,
6324 EvLinkAction *action)
6326 clear_link_selected (view);
6328 ev_view_clipboard_copy (view, ev_link_action_get_uri (action));
6330 view->link_selected = g_object_ref (action);
6331 ev_view_update_primary_selection (view);
6334 /*** Cursor operations ***/
6337 ev_view_create_invisible_cursor(void)
6340 GdkColor black = { 0, 0, 0, 0 };
6341 static char bits[] = { 0x00 };
6343 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
6345 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
6349 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
6351 GdkCursor *cursor = NULL;
6352 GdkDisplay *display;
6355 if (view->cursor == new_cursor) {
6359 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
6360 display = gtk_widget_get_display (widget);
6361 view->cursor = new_cursor;
6363 switch (new_cursor) {
6364 case EV_VIEW_CURSOR_NORMAL:
6365 gdk_window_set_cursor (view->layout.bin_window, NULL);
6367 case EV_VIEW_CURSOR_IBEAM:
6368 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
6370 case EV_VIEW_CURSOR_LINK:
6371 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
6373 case EV_VIEW_CURSOR_WAIT:
6374 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
6376 case EV_VIEW_CURSOR_HIDDEN:
6377 cursor = ev_view_create_invisible_cursor ();
6379 case EV_VIEW_CURSOR_DRAG:
6380 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
6382 case EV_VIEW_CURSOR_AUTOSCROLL:
6383 cursor = gdk_cursor_new_for_display (display, GDK_DOUBLE_ARROW);
6388 gdk_window_set_cursor (view->layout.bin_window, cursor);
6389 gdk_cursor_unref (cursor);
6395 ev_view_hide_cursor (EvView *view)
6397 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
6401 ev_view_show_cursor (EvView *view)
6403 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
6407 ev_view_reset_presentation_state (EvView *view)
6409 if (!view->presentation ||
6410 view->presentation_state == EV_PRESENTATION_NORMAL)
6413 view->presentation_state = EV_PRESENTATION_NORMAL;
6414 gdk_window_set_background (view->layout.bin_window,
6415 >K_WIDGET (view)->style->black);
6416 gtk_widget_queue_draw (GTK_WIDGET (view));
6420 ev_view_next_page (EvView *view)
6424 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
6426 if (!view->document)
6429 if (view->presentation &&
6430 (view->presentation_state == EV_PRESENTATION_BLACK ||
6431 view->presentation_state == EV_PRESENTATION_WHITE)) {
6432 ev_view_reset_presentation_state (view);
6436 if (view->animation) {
6437 ev_view_transition_animation_cancel (view->animation, view);
6440 ev_view_presentation_transition_stop (view);
6441 ev_view_reset_presentation_state (view);
6443 page = ev_document_model_get_page (view->model);
6444 n_pages = ev_document_get_n_pages (view->document);
6446 if (view->dual_page && !view->presentation)
6451 if (page < n_pages) {
6452 ev_document_model_set_page (view->model, page);
6454 } else if (view->presentation && page == n_pages) {
6455 view->presentation_state = EV_PRESENTATION_END;
6456 gtk_widget_queue_draw (GTK_WIDGET (view));
6458 } else if (view->dual_page && page == n_pages) {
6459 ev_document_model_set_page (view->model, page - 1);
6467 ev_view_previous_page (EvView *view)
6471 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
6473 if (!view->document)
6476 if (view->presentation &&
6477 view->presentation_state == EV_PRESENTATION_END) {
6478 ev_view_reset_presentation_state (view);
6482 if (view->presentation &&
6483 (view->presentation_state == EV_PRESENTATION_BLACK ||
6484 view->presentation_state == EV_PRESENTATION_WHITE)) {
6485 ev_view_reset_presentation_state (view);
6489 if (view->animation) {
6490 ev_view_transition_animation_cancel (view->animation, view);
6493 ev_view_reset_presentation_state (view);
6495 page = ev_document_model_get_page (view->model);
6497 if (view->dual_page && !view->presentation)
6503 ev_document_model_set_page (view->model, page);
6505 } else if (view->dual_page && page == -1) {
6506 ev_document_model_set_page (view->model, 0);