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-transition-animation.h"
39 #include "ev-view-marshal.h"
40 #include "ev-document-annotations.h"
41 #include "ev-annotation-window.h"
43 #include "ev-view-accessible.h"
44 #include "ev-view-private.h"
45 #include "ev-view-type-builtins.h"
47 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
48 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
49 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
64 SIGNAL_BINDING_ACTIVATED,
77 static guint signals[N_SIGNALS];
82 } EvViewFindDirection;
84 #define ZOOM_IN_FACTOR 1.2
85 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
87 #define SCROLL_TIME 150
90 static void ev_view_set_scroll_adjustments (GtkLayout *layout,
91 GtkAdjustment *hadjustment,
92 GtkAdjustment *vadjustment);
93 static void view_update_range_and_current_page (EvView *view);
94 static void set_scroll_adjustment (EvView *view,
95 GtkOrientation orientation,
96 GtkAdjustment *adjustment);
97 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
99 GdkModifierType modifiers,
100 GtkScrollType scroll,
101 gboolean horizontal);
102 static void ensure_rectangle_is_visible (EvView *view,
105 /*** Geometry computations ***/
106 static void compute_border (EvView *view,
110 static void get_page_y_offset (EvView *view,
113 static gboolean get_page_extents (EvView *view,
115 GdkRectangle *page_area,
117 static void view_rect_to_doc_rect (EvView *view,
118 GdkRectangle *view_rect,
119 GdkRectangle *page_area,
120 EvRectangle *doc_rect);
121 static void doc_rect_to_view_rect (EvView *view,
123 EvRectangle *doc_rect,
124 GdkRectangle *view_rect);
125 static gboolean get_dual_even_left (EvView *view);
126 static void find_page_at_location (EvView *view,
132 static void doc_point_to_view_point (EvView *view,
135 GdkPoint *view_point);
137 static EvLink * ev_view_get_link_at_location (EvView *view,
140 static char* tip_from_link (EvView *view,
143 static EvFormField *ev_view_get_form_field_at_location (EvView *view,
147 /*** Annotations ***/
148 static EvAnnotation *ev_view_get_annotation_at_location (EvView *view,
151 static void show_annotation_windows (EvView *view,
153 static void hide_annotation_windows (EvView *view,
155 /*** GtkWidget implementation ***/
156 static void ev_view_size_request_continuous_dual_page (EvView *view,
157 GtkRequisition *requisition);
158 static void ev_view_size_request_continuous (EvView *view,
159 GtkRequisition *requisition);
160 static void ev_view_size_request_dual_page (EvView *view,
161 GtkRequisition *requisition);
162 static void ev_view_size_request_single_page (EvView *view,
163 GtkRequisition *requisition);
164 static void ev_view_size_request (GtkWidget *widget,
165 GtkRequisition *requisition);
166 static void ev_view_size_allocate (GtkWidget *widget,
167 GtkAllocation *allocation);
168 static void ev_view_realize (GtkWidget *widget);
169 static gboolean ev_view_scroll_event (GtkWidget *widget,
170 GdkEventScroll *event);
171 static gboolean ev_view_expose_event (GtkWidget *widget,
172 GdkEventExpose *event);
173 static gboolean ev_view_popup_menu (GtkWidget *widget);
174 static gboolean ev_view_button_press_event (GtkWidget *widget,
175 GdkEventButton *event);
176 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
177 GdkEventMotion *event);
178 static gboolean ev_view_button_release_event (GtkWidget *widget,
179 GdkEventButton *event);
180 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
181 GdkEventCrossing *event);
182 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
183 GdkEventCrossing *event);
184 static void ev_view_style_set (GtkWidget *widget,
185 GtkStyle *old_style);
186 static void ev_view_remove_all (EvView *view);
188 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
191 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
192 static void draw_rubberband (GtkWidget *widget,
194 const GdkRectangle *rect,
196 static void highlight_find_results (EvView *view,
198 static void draw_one_page (EvView *view,
201 GdkRectangle *page_area,
203 GdkRectangle *expose_area,
204 gboolean *page_ready);
205 static void draw_loading_text (EvView *view,
206 GdkRectangle *page_area,
207 GdkRectangle *expose_area);
208 static void ev_view_reload_page (EvView *view,
213 static void ev_view_change_page (EvView *view,
215 gboolean start_transition);
216 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
219 static void ev_view_page_changed_cb (EvDocumentModel *model,
223 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
227 static void ev_view_finalize (GObject *object);
228 static void ev_view_destroy (GtkObject *object);
229 static void ev_view_set_property (GObject *object,
233 static void ev_view_get_property (GObject *object,
237 static void ev_view_class_init (EvViewClass *class);
238 static void ev_view_init (EvView *view);
240 /*** Zoom and sizing ***/
241 static double zoom_for_size_fit_width (gdouble doc_width,
245 static double zoom_for_size_fit_height (gdouble doc_width,
249 static double zoom_for_size_best_fit (gdouble doc_width,
253 static void ev_view_zoom_for_size (EvView *view,
256 static void ev_view_zoom_for_size_presentation (EvView *view,
259 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
262 static void ev_view_zoom_for_size_continuous (EvView *view,
265 static void ev_view_zoom_for_size_dual_page (EvView *view,
268 static void ev_view_zoom_for_size_single_page (EvView *view,
272 static GdkCursor* ev_view_create_invisible_cursor (void);
273 static void ev_view_set_cursor (EvView *view,
274 EvViewCursor new_cursor);
275 static void ev_view_handle_cursor_over_xy (EvView *view,
280 static gint ev_view_find_get_n_results (EvView *view,
282 static EvRectangle *ev_view_find_get_result (EvView *view,
285 static void jump_to_find_result (EvView *view);
286 static void jump_to_find_page (EvView *view,
287 EvViewFindDirection direction,
291 static void compute_selections (EvView *view,
292 EvSelectionStyle style,
295 static void clear_selection (EvView *view);
296 static void clear_link_selected (EvView *view);
297 static void selection_free (EvViewSelection *selection);
298 static char* get_selected_text (EvView *ev_view);
299 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
300 GtkSelectionData *selection_data,
303 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
305 static void ev_view_update_primary_selection (EvView *ev_view);
307 /*** Presentation ***/
308 static void ev_view_presentation_transition_start (EvView *ev_view);
309 static void ev_view_presentation_transition_stop (EvView *ev_view);
312 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_LAYOUT)
314 /* HeightToPage cache */
315 #define EV_HEIGHT_TO_PAGE_CACHE_KEY "ev-height-to-page-cache"
318 build_height_to_page (EvHeightToPageCache *cache,
319 EvDocument *document,
322 gboolean swap, uniform, dual_even_left;
324 double uniform_height, page_height, next_page_height;
326 gdouble u_width, u_height;
329 swap = (rotation == 90 || rotation == 270);
331 uniform = ev_document_is_page_size_uniform (document);
332 n_pages = ev_document_get_n_pages (document);
333 dual_even_left = (n_pages > 2);
335 g_free (cache->height_to_page);
336 g_free (cache->dual_height_to_page);
338 cache->rotation = rotation;
339 cache->height_to_page = g_new0 (gdouble, n_pages + 1);
340 cache->dual_height_to_page = g_new0 (gdouble, n_pages + 2);
343 ev_document_get_page_size (document, 0, &u_width, &u_height);
346 for (i = 0; i <= n_pages; i++) {
348 uniform_height = swap ? u_width : u_height;
349 cache->height_to_page[i] = i * uniform_height;
354 ev_document_get_page_size (document, i, &w, &h);
355 page_height = swap ? w : h;
359 cache->height_to_page[i] = saved_height;
360 saved_height += page_height;
364 if (dual_even_left && !uniform) {
367 ev_document_get_page_size (document, 0, &w, &h);
368 saved_height = swap ? w : h;
373 for (i = dual_even_left; i < n_pages + 2; i += 2) {
375 uniform_height = swap ? u_width : u_height;
376 cache->dual_height_to_page[i] = ((i + dual_even_left) / 2) * uniform_height;
377 if (i + 1 < n_pages + 2)
378 cache->dual_height_to_page[i + 1] = ((i + dual_even_left) / 2) * uniform_height;
380 if (i + 1 < n_pages) {
383 ev_document_get_page_size (document, i + 1, &w, &h);
384 next_page_height = swap ? w : h;
386 next_page_height = 0;
392 ev_document_get_page_size (document, i, &w, &h);
393 page_height = swap ? w : h;
398 if (i + 1 < n_pages + 2) {
399 cache->dual_height_to_page[i] = saved_height;
400 cache->dual_height_to_page[i + 1] = saved_height;
401 saved_height += MAX(page_height, next_page_height);
403 cache->dual_height_to_page[i] = saved_height;
410 ev_height_to_page_cache_get_height (EvHeightToPageCache *cache,
411 EvDocument *document,
415 gdouble *dual_height)
417 if (cache->rotation != rotation)
418 build_height_to_page (cache, document, rotation);
420 *height = cache->height_to_page[page];
421 *dual_height = cache->dual_height_to_page[page];
425 ev_height_to_page_cache_free (EvHeightToPageCache *cache)
427 if (cache->height_to_page) {
428 g_free (cache->height_to_page);
429 cache->height_to_page = NULL;
432 if (cache->dual_height_to_page) {
433 g_free (cache->dual_height_to_page);
434 cache->dual_height_to_page = NULL;
439 static EvHeightToPageCache *
440 ev_view_get_height_to_page_cache (EvView *view)
442 EvHeightToPageCache *cache;
447 cache = g_object_get_data (G_OBJECT (view->document), EV_HEIGHT_TO_PAGE_CACHE_KEY);
449 cache = g_new0 (EvHeightToPageCache, 1);
450 build_height_to_page (cache, view->document, view->rotation);
451 g_object_set_data_full (G_OBJECT (view->document),
452 EV_HEIGHT_TO_PAGE_CACHE_KEY,
454 (GDestroyNotify)ev_height_to_page_cache_free);
461 ev_view_get_height_to_page (EvView *view,
468 if (!view->height_to_page_cache)
471 ev_height_to_page_cache_get_height (view->height_to_page_cache,
477 *height = (gint)(h * view->scale + 0.5);
480 *dual_height = (gint)(dh * view->scale + 0.5);
484 scroll_to_point (EvView *view,
487 GtkOrientation orientation)
489 if (orientation == GTK_ORIENTATION_VERTICAL) {
490 if (view->continuous) {
491 gtk_adjustment_clamp_page (view->vadjustment,
492 y - view->spacing / 2,
493 y + view->vadjustment->page_size);
495 gtk_adjustment_set_value (view->vadjustment,
497 view->vadjustment->lower,
498 view->vadjustment->upper -
499 view->vadjustment->page_size));
502 if (view->dual_page) {
503 gtk_adjustment_clamp_page (view->hadjustment, x,
504 x + view->hadjustment->page_size);
506 gtk_adjustment_set_value (view->hadjustment,
508 view->hadjustment->lower,
509 view->hadjustment->upper -
510 view->hadjustment->page_size));
516 ev_view_scroll_to_page_position (EvView *view, GtkOrientation orientation)
523 if ((orientation == GTK_ORIENTATION_VERTICAL && view->pending_point.y == 0) ||
524 (orientation == GTK_ORIENTATION_HORIZONTAL && view->pending_point.x == 0)) {
525 GdkRectangle page_area;
528 get_page_extents (view, view->current_page, &page_area, &border);
534 doc_point_to_view_point (view, view->current_page,
535 &view->pending_point, &view_point);
540 scroll_to_point (view, x, y, orientation);
544 view_set_adjustment_values (EvView *view,
545 GtkOrientation orientation)
547 GtkWidget *widget = GTK_WIDGET (view);
548 GtkAdjustment *adjustment;
555 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
556 requisition = widget->requisition.width;
557 allocation = widget->allocation.width;
558 adjustment = view->hadjustment;
560 requisition = widget->requisition.height;
561 allocation = widget->allocation.height;
562 adjustment = view->vadjustment;
569 switch (view->pending_scroll) {
570 case SCROLL_TO_KEEP_POSITION:
571 case SCROLL_TO_FIND_LOCATION:
572 factor = (adjustment->value) / adjustment->upper;
574 case SCROLL_TO_PAGE_POSITION:
576 case SCROLL_TO_CENTER:
577 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
581 adjustment->page_size = allocation;
582 adjustment->step_increment = allocation * 0.1;
583 adjustment->page_increment = allocation * 0.9;
584 adjustment->lower = 0;
585 adjustment->upper = MAX (allocation, requisition);
588 * We add 0.5 to the values before to average out our rounding errors.
590 switch (view->pending_scroll) {
591 case SCROLL_TO_KEEP_POSITION:
592 case SCROLL_TO_FIND_LOCATION:
593 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
594 gtk_adjustment_set_value (adjustment, (int)new_value);
596 case SCROLL_TO_PAGE_POSITION:
597 ev_view_scroll_to_page_position (view, orientation);
599 case SCROLL_TO_CENTER:
600 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
601 0, adjustment->upper - adjustment->page_size);
602 gtk_adjustment_set_value (adjustment, (int)new_value);
606 gtk_adjustment_changed (adjustment);
610 view_update_range_and_current_page (EvView *view)
612 gint start = view->start_page;
613 gint end = view->end_page;
615 /* Presentation trumps all other modes */
616 if (view->presentation) {
617 view->start_page = view->current_page;
618 view->end_page = view->current_page;
619 } else if (view->continuous) {
620 GdkRectangle current_area, unused, page_area;
622 gboolean found = FALSE;
623 gint area_max = -1, area;
624 gint best_current_page = -1;
627 if (!(view->vadjustment && view->hadjustment))
630 current_area.x = view->hadjustment->value;
631 current_area.width = view->hadjustment->upper;
632 current_area.y = view->vadjustment->value;
633 current_area.height = view->vadjustment->page_size;
635 for (i = 0; i < ev_document_get_n_pages (view->document); i++) {
637 get_page_extents (view, i, &page_area, &border);
639 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
640 area = unused.width * unused.height;
644 view->start_page = i;
646 best_current_page = i;
648 if (area > area_max) {
649 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
654 } else if (found && view->current_page <= view->end_page) {
659 if (view->pending_scroll == SCROLL_TO_KEEP_POSITION) {
660 best_current_page = MAX (best_current_page, view->start_page);
662 if (view->current_page != best_current_page) {
663 view->current_page = best_current_page;
664 ev_document_model_set_page (view->model, best_current_page);
667 } else if (view->dual_page) {
668 if (view->current_page % 2 == get_dual_even_left (view)) {
669 view->start_page = view->current_page;
670 if (view->current_page + 1 < ev_document_get_n_pages (view->document))
671 view->end_page = view->start_page + 1;
673 view->end_page = view->start_page;
675 if (view->current_page < 1)
676 view->start_page = view->current_page;
678 view->start_page = view->current_page - 1;
679 view->end_page = view->current_page;
682 view->start_page = view->current_page;
683 view->end_page = view->current_page;
686 if (start != view->start_page || end != view->end_page) {
689 for (i = start; i < view->start_page; i++) {
690 hide_annotation_windows (view, i);
693 for (i = end; i > view->end_page; i--) {
694 hide_annotation_windows (view, i);
698 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
703 view->selection_info.selections);
707 set_scroll_adjustment (EvView *view,
708 GtkOrientation orientation,
709 GtkAdjustment *adjustment)
711 GtkAdjustment **to_set;
713 if (orientation == GTK_ORIENTATION_HORIZONTAL)
714 to_set = &view->hadjustment;
716 to_set = &view->vadjustment;
718 if (*to_set != adjustment) {
720 g_signal_handlers_disconnect_by_func (*to_set,
721 (gpointer) on_adjustment_value_changed,
723 g_object_unref (*to_set);
726 *to_set = adjustment;
727 view_set_adjustment_values (view, orientation);
730 g_object_ref (*to_set);
731 g_signal_connect (*to_set, "value_changed",
732 G_CALLBACK (on_adjustment_value_changed), view);
738 ev_view_set_scroll_adjustments (GtkLayout *layout,
739 GtkAdjustment *hadjustment,
740 GtkAdjustment *vadjustment)
742 EvView *view = EV_VIEW (layout);
744 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
745 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
747 on_adjustment_value_changed (NULL, view);
751 add_scroll_binding_keypad (GtkBindingSet *binding_set,
753 GdkModifierType modifiers,
754 GtkScrollType scroll,
757 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
759 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
760 "binding_activated", 2,
761 GTK_TYPE_SCROLL_TYPE, scroll,
762 G_TYPE_BOOLEAN, horizontal);
763 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
764 "binding_activated", 2,
765 GTK_TYPE_SCROLL_TYPE, scroll,
766 G_TYPE_BOOLEAN, horizontal);
770 compute_scroll_increment (EvView *view,
771 GtkScrollType scroll)
773 GtkWidget *widget = GTK_WIDGET (view);
774 GtkAdjustment *adjustment = view->vadjustment;
775 GdkRegion *text_region, *region;
778 EvRectangle doc_rect;
779 GdkRectangle page_area;
783 gdouble fraction = 1.0;
785 if (scroll != GTK_SCROLL_PAGE_BACKWARD && scroll != GTK_SCROLL_PAGE_FORWARD)
786 return adjustment->page_size;
788 page = scroll == GTK_SCROLL_PAGE_BACKWARD ? view->start_page : view->end_page;
790 text_region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
791 if (!text_region || gdk_region_empty (text_region))
792 return adjustment->page_size;
794 get_page_extents (view, page, &page_area, &border);
795 rect.x = page_area.x + view->scroll_x;
796 rect.y = view->scroll_y + (scroll == GTK_SCROLL_PAGE_BACKWARD ? 5 : widget->allocation.height - 5);
797 rect.width = page_area.width;
799 view_rect_to_doc_rect (view, &rect, &page_area, &doc_rect);
801 /* Convert the doc rectangle into a GdkRectangle */
802 rect.x = doc_rect.x1;
803 rect.y = doc_rect.y1;
804 rect.width = doc_rect.x2 - doc_rect.x1;
805 rect.height = MAX (1, doc_rect.y2 - doc_rect.y1);
806 region = gdk_region_rectangle (&rect);
808 gdk_region_intersect (region, text_region);
809 gdk_region_get_rectangles (region, &recs, &n_recs);
810 gdk_region_destroy (region);
815 ev_page = ev_document_get_page (view->document, page);
816 rc = ev_render_context_new (ev_page, view->rotation, view->scale);
817 g_object_unref (ev_page);
818 /* Get the selection region to know the height of the line */
819 doc_rect.x1 = doc_rect.x2 = recs[0].x + 0.5;
820 doc_rect.y1 = doc_rect.y2 = recs[0].y + 0.5;
822 ev_document_doc_mutex_lock ();
823 region = ev_selection_get_selection_region (EV_SELECTION (view->document),
824 rc, EV_SELECTION_STYLE_LINE,
826 ev_document_doc_mutex_unlock ();
830 gdk_region_get_rectangles (region, &recs, &n_recs);
831 gdk_region_destroy (region);
833 fraction = 1 - (recs[0].height / adjustment->page_size);
838 return adjustment->page_size * fraction;
843 ev_view_scroll (EvView *view,
844 GtkScrollType scroll,
847 GtkAdjustment *adjustment;
848 double value, increment;
849 gboolean first_page = FALSE;
850 gboolean last_page = FALSE;
852 view->jump_to_find_result = FALSE;
854 if (view->presentation || view->sizing_mode == EV_SIZING_BEST_FIT) {
856 case GTK_SCROLL_PAGE_BACKWARD:
857 case GTK_SCROLL_STEP_BACKWARD:
858 ev_view_previous_page (view);
860 case GTK_SCROLL_PAGE_FORWARD:
861 case GTK_SCROLL_STEP_FORWARD:
862 ev_view_next_page (view);
870 /* Assign values for increment and vertical adjustment */
871 adjustment = horizontal ? view->hadjustment : view->vadjustment;
872 value = adjustment->value;
874 /* Assign boolean for first and last page */
875 if (view->current_page == 0)
877 if (view->current_page == ev_document_get_n_pages (view->document) - 1)
881 case GTK_SCROLL_PAGE_BACKWARD:
882 /* Do not jump backwards if at the first page */
883 if (value == (adjustment->lower) && first_page) {
885 /* At the top of a page, assign the upper bound limit of previous page */
886 } else if (value == (adjustment->lower)) {
887 value = adjustment->upper - adjustment->page_size;
888 ev_view_previous_page (view);
889 /* Jump to the top */
891 increment = compute_scroll_increment (view, GTK_SCROLL_PAGE_BACKWARD);
892 value = MAX (value - increment, adjustment->lower);
895 case GTK_SCROLL_PAGE_FORWARD:
896 /* Do not jump forward if at the last page */
897 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
899 /* At the bottom of a page, assign the lower bound limit of next page */
900 } else if (value == (adjustment->upper - adjustment->page_size)) {
902 ev_view_next_page (view);
903 /* Jump to the bottom */
905 increment = compute_scroll_increment (view, GTK_SCROLL_PAGE_FORWARD);
906 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
909 case GTK_SCROLL_STEP_BACKWARD:
910 value -= adjustment->step_increment;
912 case GTK_SCROLL_STEP_FORWARD:
913 value += adjustment->step_increment;
915 case GTK_SCROLL_STEP_DOWN:
916 value -= adjustment->step_increment / 10;
918 case GTK_SCROLL_STEP_UP:
919 value += adjustment->step_increment / 10;
925 value = CLAMP (value, adjustment->lower,
926 adjustment->upper - adjustment->page_size);
928 gtk_adjustment_set_value (adjustment, value);
934 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
936 GtkWidget *widget = GTK_WIDGET (view);
937 GtkAdjustment *adjustment;
940 view->pending_scroll = SCROLL_TO_FIND_LOCATION;
942 adjustment = view->vadjustment;
944 if (rect->y < adjustment->value) {
945 value = MAX (adjustment->lower, rect->y - MARGIN);
946 gtk_adjustment_set_value (view->vadjustment, value);
947 } else if (rect->y + rect->height >
948 adjustment->value + widget->allocation.height) {
949 value = MIN (adjustment->upper, rect->y + rect->height -
950 widget->allocation.height + MARGIN);
951 gtk_adjustment_set_value (view->vadjustment, value);
954 adjustment = view->hadjustment;
956 if (rect->x < adjustment->value) {
957 value = MAX (adjustment->lower, rect->x - MARGIN);
958 gtk_adjustment_set_value (view->hadjustment, value);
959 } else if (rect->x + rect->height >
960 adjustment->value + widget->allocation.width) {
961 value = MIN (adjustment->upper, rect->x + rect->width -
962 widget->allocation.width + MARGIN);
963 gtk_adjustment_set_value (view->hadjustment, value);
966 gtk_widget_queue_resize (GTK_WIDGET (view));
969 /*** Geometry computations ***/
972 compute_border (EvView *view, int width, int height, GtkBorder *border)
974 if (view->presentation) {
980 ev_document_misc_get_page_border_size (width, height, border);
985 _get_page_size_for_scale_and_rotation (EvDocument *document,
995 ev_document_get_page_size (document, page, &w, &h);
997 width = (gint)(w * scale + 0.5);
998 height = (gint)(h * scale + 0.5);
1001 *page_width = (rotation == 0 || rotation == 180) ? width : height;
1003 *page_height = (rotation == 0 || rotation == 180) ? height : width;
1007 ev_view_get_page_size (EvView *view,
1012 _get_page_size_for_scale_and_rotation (view->document,
1021 ev_view_get_max_page_size (EvView *view,
1028 ev_document_get_max_page_size (view->document, &w, &h);
1030 width = (gint)(w * view->scale + 0.5);
1031 height = (gint)(h * view->scale + 0.5);
1034 *max_width = (view->rotation == 0 || view->rotation == 180) ? width : height;
1036 *max_height = (view->rotation == 0 || view->rotation == 180) ? height : width;
1040 get_page_y_offset (EvView *view, int page, int *y_offset)
1042 int max_width, offset;
1045 g_return_if_fail (y_offset != NULL);
1047 ev_view_get_max_page_size (view, &max_width, NULL);
1048 compute_border (view, max_width, max_width, &border);
1050 if (view->dual_page) {
1051 ev_view_get_height_to_page (view, page, NULL, &offset);
1052 offset += ((page + get_dual_even_left (view)) / 2 + 1) * view->spacing +
1053 ((page + get_dual_even_left (view)) / 2 ) * (border.top + border.bottom);
1055 ev_view_get_height_to_page (view, page, &offset, NULL);
1056 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
1064 get_page_extents (EvView *view,
1066 GdkRectangle *page_area,
1072 widget = GTK_WIDGET (view);
1074 /* Get the size of the page */
1075 ev_view_get_page_size (view, page, &width, &height);
1076 compute_border (view, width, height, border);
1077 page_area->width = width + border->left + border->right;
1078 page_area->height = height + border->top + border->bottom;
1080 if (view->presentation) {
1081 page_area->x = (MAX (0, widget->allocation.width - width))/2;
1082 page_area->y = (MAX (0, widget->allocation.height - height))/2;
1083 } else if (view->continuous) {
1087 ev_view_get_max_page_size (view, &max_width, NULL);
1088 max_width = max_width + border->left + border->right;
1089 /* Get the location of the bounding box */
1090 if (view->dual_page) {
1091 x = view->spacing + ((page % 2 == get_dual_even_left (view)) ? 0 : 1) * (max_width + view->spacing);
1092 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
1093 if (page % 2 == get_dual_even_left (view))
1094 x = x + (max_width - width - border->left - border->right);
1097 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
1100 get_page_y_offset (view, page, &y);
1106 if (view->dual_page) {
1107 gint width_2, height_2;
1108 gint max_width = width;
1109 gint max_height = height;
1110 GtkBorder overall_border;
1113 other_page = (page % 2 == get_dual_even_left (view)) ? page + 1: page - 1;
1115 /* First, we get the bounding box of the two pages */
1116 if (other_page < ev_document_get_n_pages (view->document)
1117 && (0 <= other_page)) {
1118 ev_view_get_page_size (view, other_page,
1119 &width_2, &height_2);
1120 if (width_2 > width)
1121 max_width = width_2;
1122 if (height_2 > height)
1123 max_height = height_2;
1125 compute_border (view, max_width, max_height, &overall_border);
1127 /* Find the offsets */
1131 /* Adjust for being the left or right page */
1132 if (page % 2 == get_dual_even_left (view))
1133 x = x + max_width - width;
1135 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
1137 y = y + (max_height - height)/2;
1139 /* Adjust for extra allocation */
1140 x = x + MAX (0, widget->allocation.width -
1141 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
1142 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
1147 /* Adjust for extra allocation */
1148 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
1149 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
1160 get_doc_page_size (EvView *view,
1167 ev_document_get_page_size (view->document, page, &w, &h);
1168 if (view->rotation == 0 || view->rotation == 180) {
1169 if (width) *width = w;
1170 if (height) *height = h;
1172 if (width) *width = h;
1173 if (height) *height = w;
1178 view_point_to_doc_point (EvView *view,
1179 GdkPoint *view_point,
1180 GdkRectangle *page_area,
1181 double *doc_point_x,
1182 double *doc_point_y)
1184 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
1185 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
1189 view_rect_to_doc_rect (EvView *view,
1190 GdkRectangle *view_rect,
1191 GdkRectangle *page_area,
1192 EvRectangle *doc_rect)
1194 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
1195 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
1196 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
1197 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
1201 doc_point_to_view_point (EvView *view,
1204 GdkPoint *view_point)
1206 GdkRectangle page_area;
1208 double x, y, view_x, view_y;
1209 gdouble width, height;
1211 get_doc_page_size (view, page, &width, &height);
1213 if (view->rotation == 0) {
1216 } else if (view->rotation == 90) {
1217 x = width - doc_point->y;
1219 } else if (view->rotation == 180) {
1220 x = width - doc_point->x;
1221 y = height - doc_point->y;
1222 } else if (view->rotation == 270) {
1224 y = height - doc_point->x;
1226 g_assert_not_reached ();
1229 get_page_extents (view, page, &page_area, &border);
1231 view_x = CLAMP (x * view->scale, 0, page_area.width);
1232 view_y = CLAMP (y * view->scale, 0, page_area.height);
1233 view_point->x = view_x + page_area.x;
1234 view_point->y = view_y + page_area.y;
1238 doc_rect_to_view_rect (EvView *view,
1240 EvRectangle *doc_rect,
1241 GdkRectangle *view_rect)
1243 GdkRectangle page_area;
1246 gdouble width, height;
1248 get_doc_page_size (view, page, &width, &height);
1250 if (view->rotation == 0) {
1253 w = doc_rect->x2 - doc_rect->x1;
1254 h = doc_rect->y2 - doc_rect->y1;
1255 } else if (view->rotation == 90) {
1256 x = width - doc_rect->y2;
1258 w = doc_rect->y2 - doc_rect->y1;
1259 h = doc_rect->x2 - doc_rect->x1;
1260 } else if (view->rotation == 180) {
1261 x = width - doc_rect->x2;
1262 y = height - doc_rect->y2;
1263 w = doc_rect->x2 - doc_rect->x1;
1264 h = doc_rect->y2 - doc_rect->y1;
1265 } else if (view->rotation == 270) {
1267 y = height - doc_rect->x2;
1268 w = doc_rect->y2 - doc_rect->y1;
1269 h = doc_rect->x2 - doc_rect->x1;
1271 g_assert_not_reached ();
1274 get_page_extents (view, page, &page_area, &border);
1276 view_rect->x = x * view->scale + page_area.x;
1277 view_rect->y = y * view->scale + page_area.y;
1278 view_rect->width = w * view->scale;
1279 view_rect->height = h * view->scale;
1283 get_dual_even_left (EvView *view)
1285 return (ev_document_get_n_pages (view->document) > 2);
1289 find_page_at_location (EvView *view,
1298 if (view->document == NULL)
1302 g_assert (x_offset);
1303 g_assert (y_offset);
1305 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
1306 GdkRectangle page_area;
1309 if (! get_page_extents (view, i, &page_area, &border))
1312 if ((x >= page_area.x + border.left) &&
1313 (x < page_area.x + page_area.width - border.right) &&
1314 (y >= page_area.y + border.top) &&
1315 (y < page_area.y + page_area.height - border.bottom)) {
1317 *x_offset = x - (page_area.x + border.left);
1318 *y_offset = y - (page_area.y + border.top);
1327 location_in_text (EvView *view,
1333 gint x_offset = 0, y_offset = 0;
1335 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1340 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
1343 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1349 ev_view_get_width (EvView *view)
1351 return GTK_WIDGET (view)->allocation.width;
1355 ev_view_get_height (EvView *view)
1357 return GTK_WIDGET (view)->allocation.height;
1361 location_in_selected_text (EvView *view,
1366 gint x_offset = 0, y_offset = 0;
1367 EvViewSelection *selection;
1370 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1371 selection = (EvViewSelection *)l->data;
1373 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1375 if (page != selection->page)
1378 if (selection->covered_region &&
1379 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1387 get_doc_point_from_offset (EvView *view,
1394 gdouble width, height;
1397 get_doc_page_size (view, page, &width, &height);
1399 x_offset = x_offset / view->scale;
1400 y_offset = y_offset / view->scale;
1402 if (view->rotation == 0) {
1405 } else if (view->rotation == 90) {
1407 y = width - x_offset;
1408 } else if (view->rotation == 180) {
1409 x = width - x_offset;
1410 y = height - y_offset;
1411 } else if (view->rotation == 270) {
1412 x = height - y_offset;
1415 g_assert_not_reached ();
1425 get_doc_point_from_location (EvView *view,
1432 gint x_offset = 0, y_offset = 0;
1434 x += view->scroll_x;
1435 y += view->scroll_y;
1436 find_page_at_location (view, x, y, page, &x_offset, &y_offset);
1440 return get_doc_point_from_offset (view, *page, x_offset, y_offset, x_new, y_new);
1444 ev_view_get_area_from_mapping (EvView *view,
1446 GList *mapping_list,
1452 mapping = ev_mapping_list_find (mapping_list, data);
1453 doc_rect_to_view_rect (view, page, &mapping->area, area);
1454 area->x -= view->scroll_x;
1455 area->y -= view->scroll_y;
1461 ev_view_get_link_at_location (EvView *view,
1466 gint x_new = 0, y_new = 0;
1467 GList *link_mapping;
1469 if (!EV_IS_DOCUMENT_LINKS (view->document))
1472 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1475 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1478 return ev_mapping_list_get_data (link_mapping, x_new, y_new);
1484 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1487 gdouble zoom, left, top;
1488 gboolean change_left, change_top;
1490 left = ev_link_dest_get_left (dest, &change_left);
1491 top = ev_link_dest_get_top (dest, &change_top);
1493 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - left,
1494 ev_link_dest_get_bottom (dest) - top,
1495 ev_view_get_width (view),
1496 ev_view_get_height (view));
1498 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1499 ev_document_model_set_scale (view->model, zoom);
1501 doc_point.x = change_left ? left : 0;
1502 doc_point.y = change_top ? top : 0;
1503 view->pending_point = doc_point;
1505 ev_view_change_page (view, ev_link_dest_get_page (dest), TRUE);
1509 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1512 gdouble doc_width, doc_height;
1515 gboolean change_left;
1517 page = ev_link_dest_get_page (dest);
1518 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1520 left = ev_link_dest_get_left (dest, &change_left);
1521 doc_point.x = change_left ? left : 0;
1524 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1525 ev_view_get_width (view),
1526 ev_view_get_height (view));
1528 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1529 ev_document_model_set_scale (view->model, zoom);
1531 view->pending_point = doc_point;
1533 ev_view_change_page (view, page, TRUE);
1537 goto_fith_dest (EvView *view, EvLinkDest *dest)
1540 gdouble doc_width, doc_height;
1543 gboolean change_top;
1545 page = ev_link_dest_get_page (dest);
1546 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1548 top = ev_link_dest_get_top (dest, &change_top);
1551 doc_point.y = change_top ? top : 0;
1553 zoom = zoom_for_size_fit_width (doc_width, top,
1554 ev_view_get_width (view),
1555 ev_view_get_height (view));
1557 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FIT_WIDTH);
1558 ev_document_model_set_scale (view->model, zoom);
1560 view->pending_point = doc_point;
1562 ev_view_change_page (view, page, TRUE);
1566 goto_fit_dest (EvView *view, EvLinkDest *dest)
1569 gdouble doc_width, doc_height;
1572 page = ev_link_dest_get_page (dest);
1573 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1575 zoom = zoom_for_size_best_fit (doc_width, doc_height,
1576 ev_view_get_width (view),
1577 ev_view_get_height (view));
1579 ev_document_model_set_sizing_mode (view->model, EV_SIZING_BEST_FIT);
1580 ev_document_model_set_scale (view->model, zoom);
1582 ev_view_change_page (view, page, TRUE);
1586 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1590 gdouble zoom, left, top;
1591 gboolean change_zoom, change_left, change_top;
1593 zoom = ev_link_dest_get_zoom (dest, &change_zoom);
1594 page = ev_link_dest_get_page (dest);
1596 if (change_zoom && zoom > 1) {
1597 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1598 ev_document_model_set_scale (view->model, zoom);
1601 left = ev_link_dest_get_left (dest, &change_left);
1602 top = ev_link_dest_get_top (dest, &change_top);
1604 doc_point.x = change_left ? left : 0;
1605 doc_point.y = change_top ? top : 0;
1606 view->pending_point = doc_point;
1608 ev_view_change_page (view, page, TRUE);
1612 goto_dest (EvView *view, EvLinkDest *dest)
1614 EvLinkDestType type;
1615 int page, n_pages, current_page;
1617 page = ev_link_dest_get_page (dest);
1618 n_pages = ev_document_get_n_pages (view->document);
1620 if (page < 0 || page >= n_pages)
1623 current_page = view->current_page;
1625 type = ev_link_dest_get_dest_type (dest);
1628 case EV_LINK_DEST_TYPE_PAGE:
1629 ev_document_model_set_page (view->model, page);
1631 case EV_LINK_DEST_TYPE_FIT:
1632 goto_fit_dest (view, dest);
1634 case EV_LINK_DEST_TYPE_FITH:
1635 goto_fith_dest (view, dest);
1637 case EV_LINK_DEST_TYPE_FITV:
1638 goto_fitv_dest (view, dest);
1640 case EV_LINK_DEST_TYPE_FITR:
1641 goto_fitr_dest (view, dest);
1643 case EV_LINK_DEST_TYPE_XYZ:
1644 goto_xyz_dest (view, dest);
1646 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1647 ev_document_model_set_page_by_label (view->model, ev_link_dest_get_page_label (dest));
1650 g_assert_not_reached ();
1653 if (current_page != view->current_page)
1654 ev_document_model_set_page (view->model, view->current_page);
1658 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1660 EvLinkDestType type;
1662 type = ev_link_dest_get_dest_type (dest);
1664 if (type == EV_LINK_DEST_TYPE_NAMED) {
1666 const gchar *named_dest;
1668 named_dest = ev_link_dest_get_named_dest (dest);
1669 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1672 goto_dest (view, dest2);
1673 g_object_unref (dest2);
1679 goto_dest (view, dest);
1683 ev_view_handle_link (EvView *view, EvLink *link)
1685 EvLinkAction *action = NULL;
1686 EvLinkActionType type;
1688 action = ev_link_get_action (link);
1692 type = ev_link_action_get_action_type (action);
1695 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1698 g_signal_emit (view, signals[SIGNAL_HANDLE_LINK], 0, link);
1700 dest = ev_link_action_get_dest (action);
1701 ev_view_goto_dest (view, dest);
1704 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1705 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1706 case EV_LINK_ACTION_TYPE_LAUNCH:
1707 case EV_LINK_ACTION_TYPE_NAMED:
1708 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1714 ev_view_page_label_from_dest (EvView *view, EvLinkDest *dest)
1716 EvLinkDestType type;
1719 type = ev_link_dest_get_dest_type (dest);
1722 case EV_LINK_DEST_TYPE_NAMED: {
1724 const gchar *named_dest;
1726 named_dest = ev_link_dest_get_named_dest (dest);
1727 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1730 msg = ev_document_get_page_label (view->document,
1731 ev_link_dest_get_page (dest2));
1732 g_object_unref (dest2);
1737 case EV_LINK_DEST_TYPE_PAGE_LABEL: {
1738 msg = g_strdup (ev_link_dest_get_page_label (dest));
1742 msg = ev_document_get_page_label (view->document,
1743 ev_link_dest_get_page (dest));
1750 tip_from_action_named (EvLinkAction *action)
1752 const gchar *name = ev_link_action_get_name (action);
1754 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1755 return g_strdup (_("Go to first page"));
1756 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1757 return g_strdup (_("Go to previous page"));
1758 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1759 return g_strdup (_("Go to next page"));
1760 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1761 return g_strdup (_("Go to last page"));
1762 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1763 return g_strdup (_("Go to page"));
1764 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1765 return g_strdup (_("Find"));
1772 tip_from_link (EvView *view, EvLink *link)
1774 EvLinkAction *action;
1775 EvLinkActionType type;
1780 action = ev_link_get_action (link);
1781 title = ev_link_get_title (link);
1784 return title ? g_strdup (title) : NULL;
1786 type = ev_link_action_get_action_type (action);
1789 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1790 page_label = ev_view_page_label_from_dest (view,
1791 ev_link_action_get_dest (action));
1793 msg = g_strdup_printf (_("Go to page %s"), page_label);
1794 g_free (page_label);
1797 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1799 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1800 ev_link_action_get_filename (action));
1802 msg = g_strdup_printf (_("Go to file “%s”"),
1803 ev_link_action_get_filename (action));
1806 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1807 msg = g_strdup (ev_link_action_get_uri (action));
1809 case EV_LINK_ACTION_TYPE_LAUNCH:
1810 msg = g_strdup_printf (_("Launch %s"),
1811 ev_link_action_get_filename (action));
1813 case EV_LINK_ACTION_TYPE_NAMED:
1814 msg = tip_from_action_named (action);
1818 msg = g_strdup (title);
1826 ev_view_handle_cursor_over_xy (EvView *view, gint x, gint y)
1830 EvAnnotation *annot = NULL;
1832 if (view->cursor == EV_VIEW_CURSOR_HIDDEN)
1835 if (view->drag_info.in_drag) {
1836 if (view->cursor != EV_VIEW_CURSOR_DRAG)
1837 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1841 if (view->scroll_info.autoscrolling) {
1842 if (view->cursor != EV_VIEW_CURSOR_AUTOSCROLL)
1843 ev_view_set_cursor (view, EV_VIEW_CURSOR_AUTOSCROLL);
1847 link = ev_view_get_link_at_location (view, x, y);
1849 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1850 } else if ((field = ev_view_get_form_field_at_location (view, x, y))) {
1851 if (field->is_read_only) {
1852 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1853 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1854 view->cursor == EV_VIEW_CURSOR_DRAG)
1855 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1856 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
1857 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1859 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1861 } else if ((annot = ev_view_get_annotation_at_location (view, x, y))) {
1862 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1863 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1864 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1866 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1867 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1868 view->cursor == EV_VIEW_CURSOR_DRAG ||
1869 view->cursor == EV_VIEW_CURSOR_AUTOSCROLL)
1870 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1874 g_object_set (view, "has-tooltip", TRUE, NULL);
1879 ev_view_get_image_at_location (EvView *view,
1884 gint x_new = 0, y_new = 0;
1885 GList *image_mapping;
1887 if (!EV_IS_DOCUMENT_IMAGES (view->document))
1890 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1893 image_mapping = ev_pixbuf_cache_get_image_mapping (view->pixbuf_cache, page);
1896 return ev_mapping_list_get_data (image_mapping, x_new, y_new);
1902 static EvFormField *
1903 ev_view_get_form_field_at_location (EvView *view,
1908 gint x_new = 0, y_new = 0;
1909 GList *forms_mapping;
1911 if (!EV_IS_DOCUMENT_FORMS (view->document))
1914 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1917 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, page);
1920 return ev_mapping_list_get_data (forms_mapping, x_new, y_new);
1926 ev_view_form_field_get_region (EvView *view,
1929 GdkRectangle view_area;
1930 GList *forms_mapping;
1932 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
1933 field->page->index);
1934 ev_view_get_area_from_mapping (view, field->page->index,
1938 return gdk_region_rectangle (&view_area);
1942 ev_view_forms_remove_widgets (EvView *view)
1944 ev_view_remove_all (view);
1950 ev_view_form_field_destroy (GtkWidget *widget,
1953 g_idle_add ((GSourceFunc)ev_view_forms_remove_widgets, view);
1957 ev_view_form_field_button_create_widget (EvView *view,
1960 EvFormFieldButton *field_button = EV_FORM_FIELD_BUTTON (field);
1961 GdkRegion *field_region = NULL;
1963 switch (field_button->type) {
1964 case EV_FORM_FIELD_BUTTON_PUSH:
1966 case EV_FORM_FIELD_BUTTON_CHECK:
1967 case EV_FORM_FIELD_BUTTON_RADIO: {
1969 GList *forms_mapping, *l;
1971 state = ev_document_forms_form_field_button_get_state (EV_DOCUMENT_FORMS (view->document),
1974 /* FIXME: it actually depends on NoToggleToOff flags */
1975 if (field_button->type == EV_FORM_FIELD_BUTTON_RADIO &&
1976 state && field_button->state)
1979 field_region = ev_view_form_field_get_region (view, field);
1981 /* For radio buttons and checkbox buttons that are in a set
1982 * we need to update also the region for the current selected item
1984 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
1985 field->page->index);
1986 for (l = forms_mapping; l; l = g_list_next (l)) {
1987 EvFormField *button = ((EvMapping *)(l->data))->data;
1988 GdkRegion *button_region;
1990 if (button->id == field->id)
1993 /* FIXME: only buttons in the same group should be updated */
1994 if (!EV_IS_FORM_FIELD_BUTTON (button) ||
1995 EV_FORM_FIELD_BUTTON (button)->type != field_button->type ||
1996 EV_FORM_FIELD_BUTTON (button)->state != TRUE)
1999 button_region = ev_view_form_field_get_region (view, button);
2000 gdk_region_union (field_region, button_region);
2001 gdk_region_destroy (button_region);
2004 ev_document_forms_form_field_button_set_state (EV_DOCUMENT_FORMS (view->document),
2006 field_button->state = !state;
2011 ev_view_reload_page (view, field->page->index, field_region);
2012 gdk_region_destroy (field_region);
2018 ev_view_form_field_text_save (EvView *view,
2023 if (!view->document)
2026 field = g_object_get_data (G_OBJECT (widget), "form-field");
2028 if (field->changed) {
2029 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2030 GdkRegion *field_region;
2032 field_region = ev_view_form_field_get_region (view, field);
2034 ev_document_forms_form_field_text_set_text (EV_DOCUMENT_FORMS (view->document),
2035 field, field_text->text);
2036 field->changed = FALSE;
2037 ev_view_reload_page (view, field->page->index, field_region);
2038 gdk_region_destroy (field_region);
2043 ev_view_form_field_text_changed (GtkWidget *widget,
2046 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2049 if (GTK_IS_ENTRY (widget)) {
2050 text = g_strdup (gtk_entry_get_text (GTK_ENTRY (widget)));
2051 } else if (GTK_IS_TEXT_BUFFER (widget)) {
2052 GtkTextIter start, end;
2054 gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (widget), &start, &end);
2055 text = gtk_text_buffer_get_text (GTK_TEXT_BUFFER (widget),
2056 &start, &end, FALSE);
2059 if (!field_text->text ||
2060 (field_text->text && g_ascii_strcasecmp (field_text->text, text) != 0)) {
2061 g_free (field_text->text);
2062 field_text->text = text;
2063 field->changed = TRUE;
2068 ev_view_form_field_text_create_widget (EvView *view,
2071 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2072 GtkWidget *text = NULL;
2075 txt = ev_document_forms_form_field_text_get_text (EV_DOCUMENT_FORMS (view->document),
2078 switch (field_text->type) {
2079 case EV_FORM_FIELD_TEXT_FILE_SELECT:
2081 case EV_FORM_FIELD_TEXT_NORMAL:
2082 text = gtk_entry_new ();
2083 gtk_entry_set_has_frame (GTK_ENTRY (text), FALSE);
2084 gtk_entry_set_max_length (GTK_ENTRY (text), field_text->max_len);
2085 gtk_entry_set_visibility (GTK_ENTRY (text), !field_text->is_password);
2088 gtk_entry_set_text (GTK_ENTRY (text), txt);
2092 g_signal_connect (text, "changed",
2093 G_CALLBACK (ev_view_form_field_text_changed),
2095 g_signal_connect_after (text, "activate",
2096 G_CALLBACK (ev_view_form_field_destroy),
2099 case EV_FORM_FIELD_TEXT_MULTILINE: {
2100 GtkTextBuffer *buffer;
2102 text = gtk_text_view_new ();
2103 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text));
2106 gtk_text_buffer_set_text (buffer, txt, -1);
2110 g_signal_connect (buffer, "changed",
2111 G_CALLBACK (ev_view_form_field_text_changed),
2117 g_object_weak_ref (G_OBJECT (text),
2118 (GWeakNotify)ev_view_form_field_text_save,
2125 ev_view_form_field_choice_save (EvView *view,
2130 if (!view->document)
2133 field = g_object_get_data (G_OBJECT (widget), "form-field");
2135 if (field->changed) {
2137 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2138 GdkRegion *field_region;
2140 field_region = ev_view_form_field_get_region (view, field);
2142 if (field_choice->is_editable) {
2143 ev_document_forms_form_field_choice_set_text (EV_DOCUMENT_FORMS (view->document),
2144 field, field_choice->text);
2146 ev_document_forms_form_field_choice_unselect_all (EV_DOCUMENT_FORMS (view->document), field);
2147 for (l = field_choice->selected_items; l; l = g_list_next (l)) {
2148 ev_document_forms_form_field_choice_select_item (EV_DOCUMENT_FORMS (view->document),
2150 GPOINTER_TO_INT (l->data));
2153 field->changed = FALSE;
2154 ev_view_reload_page (view, field->page->index, field_region);
2155 gdk_region_destroy (field_region);
2160 ev_view_form_field_choice_changed (GtkWidget *widget,
2163 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2165 if (GTK_IS_COMBO_BOX (widget)) {
2168 item = gtk_combo_box_get_active (GTK_COMBO_BOX (widget));
2169 if (!field_choice->selected_items ||
2170 GPOINTER_TO_INT (field_choice->selected_items->data) != item) {
2171 g_list_free (field_choice->selected_items);
2172 field_choice->selected_items = NULL;
2173 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2174 GINT_TO_POINTER (item));
2175 field->changed = TRUE;
2178 if (GTK_IS_COMBO_BOX_ENTRY (widget)) {
2181 text = gtk_combo_box_get_active_text (GTK_COMBO_BOX (widget));
2182 if (!field_choice->text ||
2183 (field_choice->text && g_ascii_strcasecmp (field_choice->text, text) != 0)) {
2184 g_free (field_choice->text);
2185 field_choice->text = text;
2186 field->changed = TRUE;
2189 } else if (GTK_IS_TREE_SELECTION (widget)) {
2190 GtkTreeSelection *selection = GTK_TREE_SELECTION (widget);
2191 GtkTreeModel *model;
2194 items = gtk_tree_selection_get_selected_rows (selection, &model);
2195 g_list_free (field_choice->selected_items);
2196 field_choice->selected_items = NULL;
2198 for (l = items; l && l->data; l = g_list_next (l)) {
2200 GtkTreePath *path = (GtkTreePath *)l->data;
2203 gtk_tree_model_get_iter (model, &iter, path);
2204 gtk_tree_model_get (model, &iter, 1, &item, -1);
2206 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2207 GINT_TO_POINTER (item));
2209 gtk_tree_path_free (path);
2212 g_list_free (items);
2214 field->changed = TRUE;
2219 ev_view_form_field_choice_create_widget (EvView *view,
2222 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2224 GtkTreeModel *model;
2226 gint selected_item = 0;
2228 n_items = ev_document_forms_form_field_choice_get_n_items (EV_DOCUMENT_FORMS (view->document),
2230 model = GTK_TREE_MODEL (gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT));
2231 for (i = 0; i < n_items; i++) {
2235 item = ev_document_forms_form_field_choice_get_item (EV_DOCUMENT_FORMS (view->document),
2237 if (ev_document_forms_form_field_choice_is_item_selected (
2238 EV_DOCUMENT_FORMS (view->document), field, i)) {
2240 /* FIXME: we need a get_selected_items function in poppler */
2241 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2242 GINT_TO_POINTER (i));
2246 gtk_list_store_append (GTK_LIST_STORE (model), &iter);
2247 gtk_list_store_set (GTK_LIST_STORE (model), &iter,
2255 if (field_choice->type == EV_FORM_FIELD_CHOICE_LIST) {
2256 GtkCellRenderer *renderer;
2257 GtkWidget *tree_view;
2258 GtkTreeSelection *selection;
2260 tree_view = gtk_tree_view_new_with_model (model);
2261 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);
2263 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
2264 if (field_choice->multi_select) {
2265 gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
2268 /* TODO: set selected items */
2270 renderer = gtk_cell_renderer_text_new ();
2271 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
2277 choice = gtk_scrolled_window_new (NULL, NULL);
2278 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (choice),
2279 GTK_POLICY_AUTOMATIC,
2280 GTK_POLICY_AUTOMATIC);
2281 gtk_container_add (GTK_CONTAINER (choice), tree_view);
2282 gtk_widget_show (tree_view);
2284 g_signal_connect (selection, "changed",
2285 G_CALLBACK (ev_view_form_field_choice_changed),
2287 g_signal_connect_after (selection, "changed",
2288 G_CALLBACK (ev_view_form_field_destroy),
2290 } else if (field_choice->is_editable) { /* ComboBoxEntry */
2293 choice = gtk_combo_box_entry_new_with_model (model, 0);
2294 text = ev_document_forms_form_field_choice_get_text (EV_DOCUMENT_FORMS (view->document), field);
2296 gtk_entry_set_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (choice))), text);
2300 g_signal_connect (choice, "changed",
2301 G_CALLBACK (ev_view_form_field_choice_changed),
2303 g_signal_connect_after (GTK_BIN(choice)->child, "activate",
2304 G_CALLBACK (ev_view_form_field_destroy),
2306 } else { /* ComboBoxText */
2307 GtkCellRenderer *renderer;
2309 choice = gtk_combo_box_new_with_model (model);
2310 renderer = gtk_cell_renderer_text_new ();
2311 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (choice),
2313 gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (choice),
2317 gtk_combo_box_set_active (GTK_COMBO_BOX (choice), selected_item);
2318 gtk_combo_box_popup (GTK_COMBO_BOX (choice));
2320 g_signal_connect (choice, "changed",
2321 G_CALLBACK (ev_view_form_field_choice_changed),
2323 g_signal_connect_after (choice, "changed",
2324 G_CALLBACK (ev_view_form_field_destroy),
2328 g_object_unref (model);
2330 g_object_weak_ref (G_OBJECT (choice),
2331 (GWeakNotify)ev_view_form_field_choice_save,
2338 ev_view_handle_form_field (EvView *view,
2343 GtkWidget *field_widget = NULL;
2344 GList *form_field_mapping;
2345 GdkRectangle view_area;
2347 if (field->is_read_only)
2350 if (EV_IS_FORM_FIELD_BUTTON (field)) {
2351 field_widget = ev_view_form_field_button_create_widget (view, field);
2352 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
2353 field_widget = ev_view_form_field_text_create_widget (view, field);
2354 } else if (EV_IS_FORM_FIELD_CHOICE (field)) {
2355 field_widget = ev_view_form_field_choice_create_widget (view, field);
2356 } else if (EV_IS_FORM_FIELD_SIGNATURE (field)) {
2360 /* Form field doesn't require a widget */
2364 g_object_set_data_full (G_OBJECT (field_widget), "form-field",
2365 g_object_ref (field),
2366 (GDestroyNotify)g_object_unref);
2368 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, field->page->index);
2369 ev_view_get_area_from_mapping (view, field->page->index,
2373 gtk_layout_put (GTK_LAYOUT (view), field_widget, view_area.x, view_area.y);
2374 gtk_widget_show (field_widget);
2375 gtk_widget_grab_focus (field_widget);
2379 static EvViewWindowChild *
2380 ev_view_get_window_child (EvView *view,
2383 GList *children = view->window_children;
2386 EvViewWindowChild *child;
2388 child = (EvViewWindowChild *)children->data;
2389 children = children->next;
2391 if (child->window == window)
2399 ev_view_window_child_move (EvView *view,
2400 EvViewWindowChild *child,
2406 gtk_window_move (GTK_WINDOW (child->window),
2407 MAX (child->parent_x, x),
2408 MAX (child->parent_y, y));
2412 ev_view_window_child_move_with_parent (EvView *view,
2415 EvViewWindowChild *child;
2416 gint root_x, root_y;
2418 child = ev_view_get_window_child (view, window);
2419 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2421 if (root_x != child->parent_x || root_y != child->parent_y) {
2422 gint dest_x, dest_y;
2424 dest_x = child->x + (root_x - child->parent_x);
2425 dest_y = child->y + (root_y - child->parent_y);
2426 child->parent_x = root_x;
2427 child->parent_y = root_y;
2428 ev_view_window_child_move (view, child, dest_x, dest_y);
2431 if (child->visible && !GTK_WIDGET_VISIBLE (window))
2432 gtk_widget_show (window);
2436 ev_view_window_child_put (EvView *view,
2444 EvViewWindowChild *child;
2445 gint root_x, root_y;
2447 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2450 child = g_new0 (EvViewWindowChild, 1);
2451 child->window = window;
2453 child->orig_x = orig_x;
2454 child->orig_y = orig_y;
2455 child->parent_x = root_x;
2456 child->parent_y = root_y;
2457 child->visible = ev_annotation_window_is_open (EV_ANNOTATION_WINDOW (window));
2458 ev_view_window_child_move (view, child, x + root_x, y + root_y);
2461 gtk_widget_show (window);
2463 gtk_widget_hide (window);
2465 view->window_children = g_list_append (view->window_children, child);
2468 static EvViewWindowChild *
2469 ev_view_find_window_child_for_annot (EvView *view,
2471 EvAnnotation *annot)
2473 GList *children = view->window_children;
2476 EvViewWindowChild *child;
2477 EvAnnotation *wannot;
2479 child = (EvViewWindowChild *)children->data;
2480 children = children->next;
2482 if (child->page != page)
2485 wannot = ev_annotation_window_get_annotation (EV_ANNOTATION_WINDOW (child->window));
2486 if (wannot == annot || strcmp (wannot->name, annot->name) == 0)
2494 ev_view_window_children_free (EvView *view)
2498 if (!view->window_children)
2501 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
2502 EvViewWindowChild *child;
2504 child = (EvViewWindowChild *)l->data;
2505 gtk_widget_destroy (GTK_WIDGET (child->window));
2508 g_list_free (view->window_children);
2509 view->window_children = NULL;
2510 view->window_child_focus = NULL;
2514 annotation_window_grab_focus (GtkWidget *widget,
2517 if (view->window_child_focus)
2518 ev_annotation_window_ungrab_focus (EV_ANNOTATION_WINDOW (view->window_child_focus->window));
2519 view->window_child_focus = ev_view_get_window_child (view, widget);
2523 annotation_window_closed (EvAnnotationWindow *window,
2526 EvViewWindowChild *child;
2528 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2529 child->visible = FALSE;
2533 annotation_window_moved (EvAnnotationWindow *window,
2538 EvViewWindowChild *child;
2539 GdkRectangle page_area;
2541 GdkRectangle view_rect;
2542 EvRectangle doc_rect;
2545 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2546 if (child->x == x && child->y == y)
2549 child->moved = TRUE;
2553 /* Window has been moved by the user,
2554 * we have to set a new origin in doc coords
2556 gtk_window_get_size (GTK_WINDOW (window), &width, &height);
2557 view_rect.x = (x - child->parent_x) + view->scroll_x;
2558 view_rect.y = (y - child->parent_y) + view->scroll_y;
2559 view_rect.width = width;
2560 view_rect.height = height;
2562 get_page_extents (view, child->page, &page_area, &border);
2563 view_rect_to_doc_rect (view, &view_rect, &page_area, &doc_rect);
2564 child->orig_x = doc_rect.x1;
2565 child->orig_y = doc_rect.y1;
2569 ev_view_annotation_save (EvView *view,
2570 EvAnnotation *annot)
2572 if (!view->document)
2575 if (!annot->changed)
2578 ev_document_annotations_annotation_set_contents (EV_DOCUMENT_ANNOTATIONS (view->document),
2579 annot, annot->contents);
2580 annot->changed = FALSE;
2584 show_annotation_windows (EvView *view,
2590 parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
2592 annots = ev_pixbuf_cache_get_annots_mapping (view->pixbuf_cache, page);
2594 for (l = annots; l && l->data; l = g_list_next (l)) {
2595 EvAnnotation *annot;
2596 EvViewWindowChild *child;
2598 EvRectangle *doc_rect;
2599 GdkRectangle view_rect;
2601 annot = ((EvMapping *)(l->data))->data;
2603 if (!EV_IS_ANNOTATION_MARKUP (annot))
2606 if (!ev_annotation_markup_has_popup (EV_ANNOTATION_MARKUP (annot)))
2609 window = g_object_get_data (G_OBJECT (annot), "popup");
2611 ev_view_window_child_move_with_parent (view, window);
2615 /* Look if we already have a popup for this annot */
2616 child = ev_view_find_window_child_for_annot (view, page, annot);
2617 window = child ? child->window : NULL;
2619 ev_annotation_window_set_annotation (EV_ANNOTATION_WINDOW (window), annot);
2620 g_object_set_data (G_OBJECT (annot), "popup", window);
2621 ev_view_window_child_move_with_parent (view, window);
2623 window = ev_annotation_window_new (annot, parent);
2624 g_signal_connect (window, "grab_focus",
2625 G_CALLBACK (annotation_window_grab_focus),
2627 g_signal_connect (window, "closed",
2628 G_CALLBACK (annotation_window_closed),
2630 g_signal_connect (window, "moved",
2631 G_CALLBACK (annotation_window_moved),
2633 g_object_set_data (G_OBJECT (annot), "popup", window);
2635 doc_rect = (EvRectangle *)ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (window));
2636 doc_rect_to_view_rect (view, page, doc_rect, &view_rect);
2637 view_rect.x -= view->scroll_x;
2638 view_rect.y -= view->scroll_y;
2640 ev_view_window_child_put (view, window, page,
2641 view_rect.x, view_rect.y,
2642 doc_rect->x1, doc_rect->y1);
2644 g_object_weak_ref (G_OBJECT (annot),
2645 (GWeakNotify)ev_view_annotation_save,
2652 hide_annotation_windows (EvView *view,
2657 annots = ev_pixbuf_cache_get_annots_mapping (view->pixbuf_cache, page);
2659 for (l = annots; l && l->data; l = g_list_next (l)) {
2660 EvAnnotation *annot;
2663 annot = ((EvMapping *)(l->data))->data;
2665 if (!EV_IS_ANNOTATION_MARKUP (annot))
2668 window = g_object_get_data (G_OBJECT (annot), "popup");
2670 gtk_widget_hide (window);
2674 static EvAnnotation *
2675 ev_view_get_annotation_at_location (EvView *view,
2680 gint x_new = 0, y_new = 0;
2681 GList *annotations_mapping;
2683 if (!EV_IS_DOCUMENT_ANNOTATIONS (view->document))
2686 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
2689 annotations_mapping = ev_pixbuf_cache_get_annots_mapping (view->pixbuf_cache, page);
2691 if (annotations_mapping)
2692 return ev_mapping_list_get_data (annotations_mapping, x_new, y_new);
2698 ev_view_handle_annotation (EvView *view,
2699 EvAnnotation *annot,
2703 if (EV_IS_ANNOTATION_MARKUP (annot)) {
2706 window = g_object_get_data (G_OBJECT (annot), "popup");
2708 EvViewWindowChild *child;
2710 child = ev_view_get_window_child (view, window);
2711 if (!child->visible) {
2712 child->visible = TRUE;
2713 ev_view_window_child_move (view, child, child->x, child->y);
2714 gtk_widget_show (window);
2720 /*** GtkWidget implementation ***/
2723 ev_view_size_request_continuous_dual_page (EvView *view,
2724 GtkRequisition *requisition)
2730 ev_view_get_max_page_size (view, &max_width, NULL);
2731 compute_border (view, max_width, max_width, &border);
2733 n_pages = ev_document_get_n_pages (view->document) + 1;
2735 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
2736 get_page_y_offset (view, n_pages, &requisition->height);
2738 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2739 requisition->width = 1;
2740 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2741 requisition->width = 1;
2742 /* FIXME: This could actually be set on one page docs or docs
2743 * with a strange aspect ratio. */
2744 /* requisition->height = 1;*/
2749 ev_view_size_request_continuous (EvView *view,
2750 GtkRequisition *requisition)
2756 ev_view_get_max_page_size (view, &max_width, NULL);
2757 n_pages = ev_document_get_n_pages (view->document);
2758 compute_border (view, max_width, max_width, &border);
2760 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
2761 get_page_y_offset (view, n_pages, &requisition->height);
2763 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2764 requisition->width = 1;
2765 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2766 requisition->width = 1;
2767 /* FIXME: This could actually be set on one page docs or docs
2768 * with a strange aspect ratio. */
2769 /* requisition->height = 1;*/
2774 ev_view_size_request_dual_page (EvView *view,
2775 GtkRequisition *requisition)
2780 /* Find the largest of the two. */
2781 ev_view_get_page_size (view,
2784 if (view->current_page + 1 < ev_document_get_n_pages (view->document)) {
2785 gint width_2, height_2;
2786 ev_view_get_page_size (view,
2787 view->current_page + 1,
2788 &width_2, &height_2);
2789 if (width_2 > width) {
2794 compute_border (view, width, height, &border);
2796 requisition->width = ((width + border.left + border.right) * 2) +
2797 (view->spacing * 3);
2798 requisition->height = (height + border.top + border.bottom) +
2799 (view->spacing * 2);
2801 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2802 requisition->width = 1;
2803 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2804 requisition->width = 1;
2805 requisition->height = 1;
2810 ev_view_size_request_single_page (EvView *view,
2811 GtkRequisition *requisition)
2816 ev_view_get_page_size (view, view->current_page, &width, &height);
2817 compute_border (view, width, height, &border);
2819 requisition->width = width + border.left + border.right + (2 * view->spacing);
2820 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2822 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2823 requisition->width = 1;
2824 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2825 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2826 requisition->width = 1;
2827 requisition->height = 1;
2832 ev_view_size_request (GtkWidget *widget,
2833 GtkRequisition *requisition)
2835 EvView *view = EV_VIEW (widget);
2837 if (view->document == NULL) {
2838 requisition->width = 1;
2839 requisition->height = 1;
2843 if (view->presentation) {
2844 requisition->width = 1;
2845 requisition->height = 1;
2849 if (view->continuous && view->dual_page)
2850 ev_view_size_request_continuous_dual_page (view, requisition);
2851 else if (view->continuous)
2852 ev_view_size_request_continuous (view, requisition);
2853 else if (view->dual_page)
2854 ev_view_size_request_dual_page (view, requisition);
2856 ev_view_size_request_single_page (view, requisition);
2860 ev_view_size_allocate (GtkWidget *widget,
2861 GtkAllocation *allocation)
2863 EvView *view = EV_VIEW (widget);
2864 GList *children, *l;
2865 gint root_x, root_y;
2867 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
2869 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2870 view->sizing_mode == EV_SIZING_BEST_FIT) {
2871 ev_view_zoom_for_size (view,
2873 allocation->height);
2874 ev_view_size_request (widget, &widget->requisition);
2877 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
2878 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
2881 view_update_range_and_current_page (view);
2883 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2884 view->pending_resize = FALSE;
2885 view->pending_point.x = 0;
2886 view->pending_point.y = 0;
2888 children = gtk_container_get_children (GTK_CONTAINER (widget));
2889 for (l = children; l && l->data; l = g_list_next (l)) {
2891 GdkRectangle view_area;
2892 GList *form_field_mapping;
2893 GtkAllocation child_allocation;
2894 GtkRequisition child_requisition;
2895 GtkWidget *child = (GtkWidget *)l->data;
2897 field = g_object_get_data (G_OBJECT (child), "form-field");
2901 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
2902 field->page->index);
2903 ev_view_get_area_from_mapping (view, field->page->index,
2907 gtk_widget_size_request (child, &child_requisition);
2908 if (child_requisition.width != view_area.width ||
2909 child_requisition.height != view_area.height)
2910 gtk_widget_set_size_request (child, view_area.width, view_area.height);
2912 gtk_container_child_get (GTK_CONTAINER (widget),
2914 "x", &child_allocation.x,
2915 "y", &child_allocation.y,
2917 if (child_allocation.x != view_area.x ||
2918 child_allocation.y != view_area.y) {
2919 gtk_layout_move (GTK_LAYOUT (widget), child, view_area.x, view_area.y);
2922 g_list_free (children);
2924 if (view->window_children)
2925 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2928 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
2929 EvViewWindowChild *child;
2930 EvRectangle doc_rect;
2931 GdkRectangle view_rect;
2933 child = (EvViewWindowChild *)l->data;
2935 doc_rect = *ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (child->window));
2937 doc_rect.x1 = child->orig_x;
2938 doc_rect.y1 = child->orig_y;
2940 doc_rect_to_view_rect (view, child->page, &doc_rect, &view_rect);
2941 view_rect.x -= view->scroll_x;
2942 view_rect.y -= view->scroll_y;
2944 if (view_rect.x != child->orig_x || view_rect.y != child->orig_y) {
2945 child->parent_x = root_x;
2946 child->parent_y = root_y;
2947 ev_view_window_child_move (view, child, view_rect.x + root_x, view_rect.y + root_y);
2953 ev_view_realize (GtkWidget *widget)
2955 EvView *view = EV_VIEW (widget);
2957 if (GTK_WIDGET_CLASS (ev_view_parent_class)->realize)
2958 (* GTK_WIDGET_CLASS (ev_view_parent_class)->realize) (widget);
2960 gdk_window_set_events (view->layout.bin_window,
2961 (gdk_window_get_events (view->layout.bin_window) |
2963 GDK_BUTTON_PRESS_MASK |
2964 GDK_BUTTON_RELEASE_MASK |
2966 GDK_KEY_PRESS_MASK |
2967 GDK_POINTER_MOTION_MASK |
2968 GDK_POINTER_MOTION_HINT_MASK |
2969 GDK_ENTER_NOTIFY_MASK |
2970 GDK_LEAVE_NOTIFY_MASK));
2972 if (view->presentation)
2973 gdk_window_set_background (view->layout.bin_window, &widget->style->black);
2975 gdk_window_set_background (view->layout.bin_window, &widget->style->mid [GTK_STATE_NORMAL]);
2977 on_adjustment_value_changed (NULL, view);
2981 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
2983 EvView *view = EV_VIEW (widget);
2986 state = event->state & gtk_accelerator_get_default_mod_mask ();
2988 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
2989 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
2991 if (event->direction == GDK_SCROLL_UP ||
2992 event->direction == GDK_SCROLL_LEFT) {
2993 if (ev_view_can_zoom_in (view)) {
2994 ev_view_zoom_in (view);
2997 if (ev_view_can_zoom_out (view)) {
2998 ev_view_zoom_out (view);
3005 view->jump_to_find_result = FALSE;
3007 /* Shift+Wheel scrolls the in the perpendicular direction */
3008 if (state & GDK_SHIFT_MASK) {
3009 if (event->direction == GDK_SCROLL_UP)
3010 event->direction = GDK_SCROLL_LEFT;
3011 else if (event->direction == GDK_SCROLL_LEFT)
3012 event->direction = GDK_SCROLL_UP;
3013 else if (event->direction == GDK_SCROLL_DOWN)
3014 event->direction = GDK_SCROLL_RIGHT;
3015 else if (event->direction == GDK_SCROLL_RIGHT)
3016 event->direction = GDK_SCROLL_DOWN;
3018 event->state &= ~GDK_SHIFT_MASK;
3019 state &= ~GDK_SHIFT_MASK;
3023 (view->presentation ||
3024 (view->sizing_mode == EV_SIZING_BEST_FIT && !view->continuous))) {
3025 switch (event->direction) {
3026 case GDK_SCROLL_DOWN:
3027 case GDK_SCROLL_RIGHT:
3028 ev_view_next_page (view);
3031 case GDK_SCROLL_LEFT:
3032 ev_view_previous_page (view);
3042 static EvViewSelection *
3043 find_selection_for_page (EvView *view,
3048 for (list = view->selection_info.selections; list != NULL; list = list->next) {
3049 EvViewSelection *selection;
3051 selection = (EvViewSelection *) list->data;
3053 if (selection->page == page)
3061 draw_end_presentation_page (EvView *view,
3062 GdkRectangle *page_area)
3064 PangoLayout *layout;
3065 PangoFontDescription *font_desc;
3067 const gchar *text = _("End of presentation. Press Escape to exit.");
3069 if (view->presentation_state != EV_PRESENTATION_END)
3072 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), NULL);
3073 markup = g_strdup_printf ("<span foreground=\"white\">%s</span>", text);
3074 pango_layout_set_markup (layout, markup, -1);
3077 font_desc = pango_font_description_new ();
3078 pango_font_description_set_size (font_desc, 16 * PANGO_SCALE);
3079 pango_layout_set_font_description (layout, font_desc);
3081 gtk_paint_layout (GTK_WIDGET (view)->style,
3082 view->layout.bin_window,
3083 GTK_WIDGET_STATE (view),
3092 pango_font_description_free (font_desc);
3093 g_object_unref (layout);
3097 ev_view_expose_event (GtkWidget *widget,
3098 GdkEventExpose *event)
3100 EvView *view = EV_VIEW (widget);
3104 if (view->animation) {
3105 if (ev_transition_animation_ready (view->animation)) {
3106 GdkRectangle page_area;
3109 if (get_page_extents (view, view->current_page, &page_area, &border)) {
3110 cr = gdk_cairo_create (view->layout.bin_window);
3112 /* normalize to x=0, y=0 */
3113 cairo_translate (cr, page_area.x, page_area.y);
3114 page_area.x = page_area.y = 0;
3116 ev_transition_animation_paint (view->animation, cr, page_area);
3124 if (view->presentation) {
3125 switch (view->presentation_state) {
3126 case EV_PRESENTATION_END: {
3127 GdkRectangle area = {0};
3129 area.width = widget->allocation.width;
3130 area.height = widget->allocation.height;
3132 draw_end_presentation_page (view, &area);
3135 case EV_PRESENTATION_BLACK:
3136 case EV_PRESENTATION_WHITE:
3138 case EV_PRESENTATION_NORMAL:
3142 } else if (view->loading) {
3143 GdkRectangle area = {0};
3145 area.width = widget->allocation.width;
3146 area.height = widget->allocation.height;
3148 draw_loading_text (view,
3153 if (view->document == NULL)
3156 cr = gdk_cairo_create (view->layout.bin_window);
3158 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
3159 GdkRectangle page_area;
3161 gboolean page_ready = TRUE;
3163 if (!get_page_extents (view, i, &page_area, &border))
3166 page_area.x -= view->scroll_x;
3167 page_area.y -= view->scroll_y;
3169 draw_one_page (view, i, cr, &page_area, &border, &(event->area), &page_ready);
3171 if (page_ready && view->find_pages && view->highlight_find_results)
3172 highlight_find_results (view, i);
3173 if (page_ready && EV_IS_DOCUMENT_ANNOTATIONS (view->document))
3174 show_annotation_windows (view, i);
3179 if (GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event)
3180 (* GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) (widget, event);
3186 ev_view_do_popup_menu (EvView *view,
3193 image = ev_view_get_image_at_location (view, x, y);
3195 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, image);
3199 link = ev_view_get_link_at_location (view, x, y);
3201 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
3205 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, NULL);
3211 ev_view_popup_menu (GtkWidget *widget)
3215 gtk_widget_get_pointer (widget, &x, &y);
3216 return ev_view_do_popup_menu (EV_VIEW (widget), x, y);
3220 get_link_area (EvView *view,
3226 GList *link_mapping;
3228 gint x_offset = 0, y_offset = 0;
3230 x += view->scroll_x;
3231 y += view->scroll_y;
3233 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3235 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
3236 ev_view_get_area_from_mapping (view, page,
3242 get_annot_area (EvView *view,
3245 EvAnnotation *annot,
3248 GList *annots_mapping;
3250 gint x_offset = 0, y_offset = 0;
3252 x += view->scroll_x;
3253 y += view->scroll_y;
3255 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3257 annots_mapping = ev_pixbuf_cache_get_annots_mapping (view->pixbuf_cache, page);
3258 ev_view_get_area_from_mapping (view, page,
3264 ev_view_query_tooltip (GtkWidget *widget,
3267 gboolean keyboard_tip,
3268 GtkTooltip *tooltip)
3270 EvView *view = EV_VIEW (widget);
3272 EvAnnotation *annot;
3275 annot = ev_view_get_annotation_at_location (view, x, y);
3276 if (annot && annot->contents) {
3277 GdkRectangle annot_area;
3279 get_annot_area (view, x, y, annot, &annot_area);
3280 gtk_tooltip_set_text (tooltip, annot->contents);
3281 gtk_tooltip_set_tip_area (tooltip, &annot_area);
3286 link = ev_view_get_link_at_location (view, x, y);
3290 text = tip_from_link (view, link);
3291 if (text && g_utf8_validate (text, -1, NULL)) {
3292 GdkRectangle link_area;
3294 get_link_area (view, x, y, link, &link_area);
3295 gtk_tooltip_set_text (tooltip, text);
3296 gtk_tooltip_set_tip_area (tooltip, &link_area);
3304 start_selection_for_event (EvView *view,
3305 GdkEventButton *event)
3307 clear_selection (view);
3309 view->selection_info.start.x = event->x + view->scroll_x;
3310 view->selection_info.start.y = event->y + view->scroll_y;
3312 switch (event->type) {
3313 case GDK_2BUTTON_PRESS:
3314 view->selection_info.style = EV_SELECTION_STYLE_WORD;
3316 case GDK_3BUTTON_PRESS:
3317 view->selection_info.style = EV_SELECTION_STYLE_LINE;
3320 view->selection_info.style = EV_SELECTION_STYLE_GLYPH;
3324 /* In case of WORD or LINE, compute selections now */
3325 compute_selections (view,
3326 view->selection_info.style,
3327 &(view->selection_info.start),
3328 &(view->selection_info.start));
3332 ev_view_button_press_event (GtkWidget *widget,
3333 GdkEventButton *event)
3335 EvView *view = EV_VIEW (widget);
3337 if (!view->document)
3340 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
3341 gtk_widget_grab_focus (widget);
3344 if (view->window_child_focus) {
3345 EvAnnotationWindow *window;
3346 EvAnnotation *annot;
3348 window = EV_ANNOTATION_WINDOW (view->window_child_focus->window);
3349 annot = ev_annotation_window_get_annotation (window);
3350 ev_annotation_window_ungrab_focus (window);
3351 ev_view_annotation_save (view, annot);
3352 view->window_child_focus = NULL;
3355 view->pressed_button = event->button;
3356 view->selection_info.in_drag = FALSE;
3358 if (view->scroll_info.autoscrolling)
3361 switch (event->button) {
3364 EvAnnotation *annot;
3367 if (EV_IS_SELECTION (view->document) && view->selection_info.selections) {
3368 if (event->type == GDK_3BUTTON_PRESS) {
3369 start_selection_for_event (view, event);
3370 } else if (location_in_selected_text (view,
3371 event->x + view->scroll_x,
3372 event->y + view->scroll_y)) {
3373 view->selection_info.in_drag = TRUE;
3375 start_selection_for_event (view, event);
3378 gtk_widget_queue_draw (widget);
3379 } else if ((annot = ev_view_get_annotation_at_location (view, event->x, event->y))) {
3380 ev_view_handle_annotation (view, annot, event->x, event->y);
3381 } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) {
3382 ev_view_remove_all (view);
3383 ev_view_handle_form_field (view, field, event->x, event->y);
3384 } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) &&
3385 (image = ev_view_get_image_at_location (view, event->x, event->y))) {
3386 if (view->image_dnd_info.image)
3387 g_object_unref (view->image_dnd_info.image);
3388 view->image_dnd_info.image = g_object_ref (image);
3389 view->image_dnd_info.in_drag = TRUE;
3391 view->image_dnd_info.start.x = event->x + view->scroll_x;
3392 view->image_dnd_info.start.y = event->y + view->scroll_y;
3394 ev_view_remove_all (view);
3396 if (EV_IS_SELECTION (view->document))
3397 start_selection_for_event (view, event);
3402 /* use root coordinates as reference point because
3403 * scrolling changes window relative coordinates */
3404 view->drag_info.start.x = event->x_root;
3405 view->drag_info.start.y = event->y_root;
3406 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
3407 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
3409 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
3413 view->scroll_info.start_y = event->y;
3414 return ev_view_do_popup_menu (view, event->x, event->y);
3421 ev_view_remove_all (EvView *view)
3423 GList *children, *child;
3425 children = gtk_container_get_children (GTK_CONTAINER (view));
3426 for (child = children; child && child->data; child = g_list_next (child)) {
3427 gtk_container_remove (GTK_CONTAINER (view),
3428 GTK_WIDGET (child->data));
3430 g_list_free (children);
3433 /*** Drag and Drop ***/
3435 ev_view_drag_data_get (GtkWidget *widget,
3436 GdkDragContext *context,
3437 GtkSelectionData *selection_data,
3441 EvView *view = EV_VIEW (widget);
3444 case TARGET_DND_TEXT:
3445 if (EV_IS_SELECTION (view->document) &&
3446 view->selection_info.selections) {
3449 text = get_selected_text (view);
3450 gtk_selection_data_set_text (selection_data,
3456 case TARGET_DND_IMAGE:
3457 if (view->image_dnd_info.image) {
3460 ev_document_doc_mutex_lock ();
3461 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3462 view->image_dnd_info.image);
3463 ev_document_doc_mutex_unlock ();
3465 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
3466 g_object_unref (pixbuf);
3469 case TARGET_DND_URI:
3470 if (view->image_dnd_info.image) {
3472 const gchar *tmp_uri;
3475 ev_document_doc_mutex_lock ();
3476 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3477 view->image_dnd_info.image);
3478 ev_document_doc_mutex_unlock ();
3480 tmp_uri = ev_image_save_tmp (view->image_dnd_info.image, pixbuf);
3481 g_object_unref (pixbuf);
3483 uris[0] = (gchar *)tmp_uri;
3485 gtk_selection_data_set_uris (selection_data, uris);
3491 ev_view_drag_motion (GtkWidget *widget,
3492 GdkDragContext *context,
3497 if (gtk_drag_get_source_widget (context) == widget)
3498 gdk_drag_status (context, 0, time);
3500 gdk_drag_status (context, context->suggested_action, time);
3506 selection_update_idle_cb (EvView *view)
3508 compute_selections (view,
3509 view->selection_info.style,
3510 &view->selection_info.start,
3512 view->selection_update_id = 0;
3517 selection_scroll_timeout_cb (EvView *view)
3519 gint x, y, shift = 0;
3520 GtkWidget *widget = GTK_WIDGET (view);
3522 gtk_widget_get_pointer (widget, &x, &y);
3524 if (y > widget->allocation.height) {
3525 shift = (y - widget->allocation.height) / 2;
3531 gtk_adjustment_set_value (view->vadjustment,
3532 CLAMP (view->vadjustment->value + shift,
3533 view->vadjustment->lower,
3534 view->vadjustment->upper -
3535 view->vadjustment->page_size));
3537 if (x > widget->allocation.width) {
3538 shift = (x - widget->allocation.width) / 2;
3544 gtk_adjustment_set_value (view->hadjustment,
3545 CLAMP (view->hadjustment->value + shift,
3546 view->hadjustment->lower,
3547 view->hadjustment->upper -
3548 view->hadjustment->page_size));
3554 ev_view_drag_update_momentum (EvView *view)
3557 if (!view->drag_info.in_drag)
3560 for (i = DRAG_HISTORY - 1; i > 0; i--) {
3561 view->drag_info.buffer[i].x = view->drag_info.buffer[i-1].x;
3562 view->drag_info.buffer[i].y = view->drag_info.buffer[i-1].y;
3565 /* Momentum is a moving average of 10ms granularity over
3566 * the last 100ms with each 10ms stored in buffer.
3569 view->drag_info.momentum.x = (view->drag_info.buffer[DRAG_HISTORY - 1].x - view->drag_info.buffer[0].x);
3570 view->drag_info.momentum.y = (view->drag_info.buffer[DRAG_HISTORY - 1].y - view->drag_info.buffer[0].y);
3576 ev_view_scroll_drag_release (EvView *view)
3578 gdouble dhadj_value, dvadj_value;
3579 gdouble oldhadjustment, oldvadjustment;
3581 view->drag_info.momentum.x /= 1.2;
3582 view->drag_info.momentum.y /= 1.2; /* Alter these constants to change "friction" */
3584 dhadj_value = view->hadjustment->page_size *
3585 (gdouble)view->drag_info.momentum.x / GTK_WIDGET (view)->allocation.width;
3586 dvadj_value = view->vadjustment->page_size *
3587 (gdouble)view->drag_info.momentum.y / GTK_WIDGET (view)->allocation.height;
3589 oldhadjustment = gtk_adjustment_get_value (view->hadjustment);
3590 oldvadjustment = gtk_adjustment_get_value (view->vadjustment);
3592 /* When we reach the edges, we need either to absorb some momentum and bounce by
3593 * multiplying it on -0.5 or stop scrolling by setting momentum to 0. */
3594 if (((oldhadjustment + dhadj_value) > (view->hadjustment->upper - view->hadjustment->page_size)) ||
3595 ((oldhadjustment + dhadj_value) < 0))
3596 view->drag_info.momentum.x = 0;
3597 if (((oldvadjustment + dvadj_value) > (view->vadjustment->upper - view->vadjustment->page_size)) ||
3598 ((oldvadjustment + dvadj_value) < 0))
3599 view->drag_info.momentum.y = 0;
3601 gtk_adjustment_set_value (view->hadjustment,
3602 MIN (oldhadjustment + dhadj_value,
3603 view->hadjustment->upper - view->hadjustment->page_size));
3604 gtk_adjustment_set_value (view->vadjustment,
3605 MIN (oldvadjustment + dvadj_value,
3606 view->vadjustment->upper - view->vadjustment->page_size));
3608 if (((view->drag_info.momentum.x < 1) && (view->drag_info.momentum.x > -1)) &&
3609 ((view->drag_info.momentum.y < 1) && (view->drag_info.momentum.y > -1)))
3616 ev_view_motion_notify_event (GtkWidget *widget,
3617 GdkEventMotion *event)
3619 EvView *view = EV_VIEW (widget);
3622 if (!view->document)
3626 if (event->is_hint || event->window != view->layout.bin_window) {
3627 gtk_widget_get_pointer (widget, &x, &y);
3633 if (view->scroll_info.autoscrolling) {
3634 view->scroll_info.last_y = y;
3638 if (view->selection_info.in_drag) {
3639 if (gtk_drag_check_threshold (widget,
3640 view->selection_info.start.x,
3641 view->selection_info.start.y,
3643 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3645 gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT);
3647 gtk_drag_begin (widget, target_list,
3649 1, (GdkEvent *)event);
3651 view->selection_info.in_drag = FALSE;
3653 gtk_target_list_unref (target_list);
3657 } else if (view->image_dnd_info.in_drag) {
3658 if (gtk_drag_check_threshold (widget,
3659 view->selection_info.start.x,
3660 view->selection_info.start.y,
3662 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3664 gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI);
3665 gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE);
3667 gtk_drag_begin (widget, target_list,
3669 1, (GdkEvent *)event);
3671 view->image_dnd_info.in_drag = FALSE;
3673 gtk_target_list_unref (target_list);
3679 switch (view->pressed_button) {
3681 /* For the Evince 0.4.x release, we limit selection to un-rotated
3684 if (view->rotation != 0)
3687 /* Schedule timeout to scroll during selection and additionally
3688 * scroll once to allow arbitrary speed. */
3689 if (!view->selection_scroll_id)
3690 view->selection_scroll_id = g_timeout_add (SCROLL_TIME,
3691 (GSourceFunc)selection_scroll_timeout_cb,
3694 selection_scroll_timeout_cb (view);
3696 view->selection_info.in_selection = TRUE;
3697 view->motion.x = x + view->scroll_x;
3698 view->motion.y = y + view->scroll_y;
3700 /* Queue an idle to handle the motion. We do this because
3701 * handling any selection events in the motion could be slower
3702 * than new motion events reach us. We always put it in the
3703 * idle to make sure we catch up and don't visibly lag the
3705 if (!view->selection_update_id)
3706 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
3710 if (!view->drag_info.in_drag) {
3714 start = gtk_drag_check_threshold (widget,
3715 view->drag_info.start.x,
3716 view->drag_info.start.y,
3719 view->drag_info.in_drag = start;
3720 view->drag_info.drag_timeout_id = g_timeout_add (10,
3721 (GSourceFunc)ev_view_drag_update_momentum, view);
3722 /* Set 100 to choose how long it takes to build up momentum */
3723 /* Clear out previous momentum info: */
3724 for (i = 0; i < DRAG_HISTORY; i++) {
3725 view->drag_info.buffer[i].x = event->x;
3726 view->drag_info.buffer[i].y = event->y;
3728 view->drag_info.momentum.x = 0;
3729 view->drag_info.momentum.y = 0;
3732 if (view->drag_info.in_drag) {
3734 gdouble dhadj_value, dvadj_value;
3736 view->drag_info.buffer[0].x = event->x;
3737 view->drag_info.buffer[0].y = event->y;
3739 dx = event->x_root - view->drag_info.start.x;
3740 dy = event->y_root - view->drag_info.start.y;
3742 dhadj_value = view->hadjustment->page_size *
3743 (gdouble)dx / widget->allocation.width;
3744 dvadj_value = view->vadjustment->page_size *
3745 (gdouble)dy / widget->allocation.height;
3747 /* clamp scrolling to visible area */
3748 gtk_adjustment_set_value (view->hadjustment,
3749 MIN(view->drag_info.hadj - dhadj_value,
3750 view->hadjustment->upper -
3751 view->hadjustment->page_size));
3752 gtk_adjustment_set_value (view->vadjustment,
3753 MIN(view->drag_info.vadj - dvadj_value,
3754 view->vadjustment->upper -
3755 view->vadjustment->page_size));
3762 ev_view_handle_cursor_over_xy (view, x, y);
3769 ev_view_button_release_event (GtkWidget *widget,
3770 GdkEventButton *event)
3772 EvView *view = EV_VIEW (widget);
3773 EvLink *link = NULL;
3775 view->image_dnd_info.in_drag = FALSE;
3777 if (view->scroll_info.autoscrolling) {
3778 ev_view_autoscroll_stop (view);
3779 view->pressed_button = -1;
3784 if (view->drag_info.in_drag) {
3785 view->drag_info.release_timeout_id =
3787 (GSourceFunc)ev_view_scroll_drag_release, view);
3790 if (view->document && !view->drag_info.in_drag && view->pressed_button != 3) {
3791 link = ev_view_get_link_at_location (view, event->x, event->y);
3794 view->drag_info.in_drag = FALSE;
3796 if (view->pressed_button == 2) {
3797 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3800 view->pressed_button = -1;
3802 if (view->selection_scroll_id) {
3803 g_source_remove (view->selection_scroll_id);
3804 view->selection_scroll_id = 0;
3806 if (view->selection_update_id) {
3807 g_source_remove (view->selection_update_id);
3808 view->selection_update_id = 0;
3811 if (view->selection_info.selections) {
3812 clear_link_selected (view);
3813 ev_view_update_primary_selection (view);
3815 if (view->selection_info.in_drag) {
3816 clear_selection (view);
3817 gtk_widget_queue_draw (widget);
3820 view->selection_info.in_drag = FALSE;
3822 if (event->button == 2) {
3823 EvLinkAction *action;
3824 EvLinkActionType type;
3826 action = ev_link_get_action (link);
3830 type = ev_link_action_get_action_type (action);
3831 if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
3832 g_signal_emit (view,
3833 signals[SIGNAL_EXTERNAL_LINK],
3837 ev_view_handle_link (view, link);
3839 } else if (view->presentation) {
3840 switch (event->button) {
3842 ev_view_next_page (view);
3845 ev_view_previous_page (view);
3854 /* Cut and paste from gtkwindow.c */
3856 send_focus_change (GtkWidget *widget,
3859 GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE);
3861 g_object_ref (widget);
3864 GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
3866 GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
3868 fevent->focus_change.type = GDK_FOCUS_CHANGE;
3869 fevent->focus_change.window = g_object_ref (widget->window);
3870 fevent->focus_change.in = in;
3872 gtk_widget_event (widget, fevent);
3874 g_object_notify (G_OBJECT (widget), "has-focus");
3876 g_object_unref (widget);
3877 gdk_event_free (fevent);
3881 ev_view_goto_window_hide (EvView *view)
3883 /* send focus-in event */
3884 send_focus_change (view->goto_entry, FALSE);
3885 gtk_widget_hide (view->goto_window);
3886 gtk_entry_set_text (GTK_ENTRY (view->goto_entry), "");
3890 ev_view_goto_window_delete_event (GtkWidget *widget,
3894 ev_view_goto_window_hide (view);
3900 key_is_numeric (guint keyval)
3902 return ((keyval >= GDK_0 && keyval <= GDK_9) ||
3903 (keyval >= GDK_KP_0 && keyval <= GDK_KP_9));
3907 ev_view_goto_window_key_press_event (GtkWidget *widget,
3911 switch (event->keyval) {
3915 case GDK_ISO_Left_Tab:
3916 ev_view_goto_window_hide (view);
3925 if (!key_is_numeric (event->keyval))
3933 ev_view_goto_window_button_press_event (GtkWidget *widget,
3934 GdkEventButton *event,
3937 ev_view_goto_window_hide (view);
3943 ev_view_goto_entry_activate (GtkEntry *entry,
3949 text = gtk_entry_get_text (entry);
3950 page = atoi (text) - 1;
3952 ev_view_goto_window_hide (view);
3954 if (page >= 0 && page < ev_document_get_n_pages (view->document)) {
3955 ev_document_model_set_page (view->model, page);
3960 ev_view_goto_window_create (EvView *view)
3962 GtkWidget *frame, *hbox, *toplevel, *label;
3964 toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view));
3966 if (view->goto_window) {
3967 if (GTK_WINDOW (toplevel)->group)
3968 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
3969 GTK_WINDOW (view->goto_window));
3970 else if (GTK_WINDOW (view->goto_window)->group)
3971 gtk_window_group_remove_window (GTK_WINDOW (view->goto_window)->group,
3972 GTK_WINDOW (view->goto_window));
3976 view->goto_window = gtk_window_new (GTK_WINDOW_POPUP);
3977 gtk_window_set_screen (GTK_WINDOW (view->goto_window),
3978 gtk_widget_get_screen (GTK_WIDGET (view)));
3980 if (GTK_WINDOW (toplevel)->group)
3981 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
3982 GTK_WINDOW (view->goto_window));
3984 gtk_window_set_modal (GTK_WINDOW (view->goto_window), TRUE);
3986 g_signal_connect (view->goto_window, "delete_event",
3987 G_CALLBACK (ev_view_goto_window_delete_event),
3989 g_signal_connect (view->goto_window, "key_press_event",
3990 G_CALLBACK (ev_view_goto_window_key_press_event),
3992 g_signal_connect (view->goto_window, "button_press_event",
3993 G_CALLBACK (ev_view_goto_window_button_press_event),
3996 frame = gtk_frame_new (NULL);
3997 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
3998 gtk_container_add (GTK_CONTAINER (view->goto_window), frame);
3999 gtk_widget_show (frame);
4001 hbox = gtk_hbox_new (FALSE, 0);
4002 gtk_container_set_border_width (GTK_CONTAINER (hbox), 3);
4003 gtk_container_add (GTK_CONTAINER (frame), hbox);
4004 gtk_widget_show (hbox);
4006 label = gtk_label_new(_("Jump to page:"));
4007 gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 3);
4008 gtk_widget_show (label);
4009 gtk_widget_realize (label);
4011 view->goto_entry = gtk_entry_new ();
4012 g_signal_connect (view->goto_entry, "activate",
4013 G_CALLBACK (ev_view_goto_entry_activate),
4015 gtk_box_pack_start (GTK_BOX (hbox), view->goto_entry, TRUE, TRUE, 0);
4016 gtk_widget_show (view->goto_entry);
4017 gtk_widget_realize (view->goto_entry);
4021 ev_view_goto_entry_grab_focus (EvView *view)
4023 GtkWidgetClass *entry_parent_class;
4025 entry_parent_class = g_type_class_peek_parent (GTK_ENTRY_GET_CLASS (view->goto_entry));
4026 (entry_parent_class->grab_focus) (view->goto_entry);
4028 send_focus_change (view->goto_entry, TRUE);
4032 ev_view_goto_window_send_key_event (EvView *view,
4035 GdkEventKey *new_event;
4038 /* Move goto window off screen */
4039 screen = gtk_widget_get_screen (GTK_WIDGET (view));
4040 gtk_window_move (GTK_WINDOW (view->goto_window),
4041 gdk_screen_get_width (screen) + 1,
4042 gdk_screen_get_height (screen) + 1);
4043 gtk_widget_show (view->goto_window);
4045 new_event = (GdkEventKey *) gdk_event_copy (event);
4046 g_object_unref (new_event->window);
4047 new_event->window = g_object_ref (view->goto_window->window);
4048 gtk_widget_realize (view->goto_window);
4050 gtk_widget_event (view->goto_window, (GdkEvent *)new_event);
4051 gdk_event_free ((GdkEvent *)new_event);
4052 gtk_widget_hide (view->goto_window);
4056 ev_view_key_press_event (GtkWidget *widget,
4059 EvView *view = EV_VIEW (widget);
4060 EvPresentationState current;
4062 if (!view->document)
4065 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
4066 /* Forward key events to current focused window child */
4067 if (view->window_child_focus) {
4068 GdkEventKey *new_event;
4071 new_event = (GdkEventKey *) gdk_event_copy ((GdkEvent *)event);
4072 g_object_unref (new_event->window);
4073 new_event->window = g_object_ref (view->window_child_focus->window->window);
4074 gtk_widget_realize (view->window_child_focus->window);
4075 handled = gtk_widget_event (view->window_child_focus->window, (GdkEvent *)new_event);
4076 gdk_event_free ((GdkEvent *)new_event);
4084 if (!view->presentation ||
4085 view->presentation_state == EV_PRESENTATION_END)
4086 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
4089 current = view->presentation_state;
4091 switch (event->keyval) {
4095 case GDK_KP_Decimal:
4096 view->presentation_state =
4097 (view->presentation_state == EV_PRESENTATION_BLACK) ?
4098 EV_PRESENTATION_NORMAL : EV_PRESENTATION_BLACK;
4102 view->presentation_state =
4103 (view->presentation_state == EV_PRESENTATION_WHITE) ?
4104 EV_PRESENTATION_NORMAL : EV_PRESENTATION_WHITE;
4107 if (view->presentation_state == EV_PRESENTATION_BLACK ||
4108 view->presentation_state == EV_PRESENTATION_WHITE) {
4109 view->presentation_state = EV_PRESENTATION_NORMAL;
4113 if (current == view->presentation_state) {
4114 if (ev_document_get_n_pages (view->document) > 1 &&
4115 key_is_numeric (event->keyval)) {
4118 ev_view_goto_window_create (view);
4119 ev_view_goto_window_send_key_event (view, (GdkEvent *)event);
4120 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4121 gtk_window_move (GTK_WINDOW (view->goto_window), x, y);
4122 gtk_widget_show (view->goto_window);
4123 ev_view_goto_entry_grab_focus (view);
4128 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
4131 switch (view->presentation_state) {
4132 case EV_PRESENTATION_NORMAL:
4133 case EV_PRESENTATION_BLACK:
4134 gdk_window_set_background (view->layout.bin_window,
4135 &widget->style->black);
4137 case EV_PRESENTATION_WHITE:
4138 gdk_window_set_background (view->layout.bin_window,
4139 &widget->style->white);
4142 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
4145 gtk_widget_queue_draw (widget);
4150 ev_view_focus_in (GtkWidget *widget,
4151 GdkEventFocus *event)
4153 if (EV_VIEW (widget)->pixbuf_cache)
4154 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4155 gtk_widget_queue_draw (widget);
4161 ev_view_focus_out (GtkWidget *widget,
4162 GdkEventFocus *event)
4164 if (EV_VIEW (widget)->goto_window)
4165 ev_view_goto_window_hide (EV_VIEW (widget));
4167 if (EV_VIEW (widget)->pixbuf_cache)
4168 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4169 gtk_widget_queue_draw (widget);
4175 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
4177 EvView *view = EV_VIEW (widget);
4179 if (view->cursor != EV_VIEW_CURSOR_NORMAL)
4180 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
4186 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
4188 EvView *view = EV_VIEW (widget);
4190 ev_view_handle_cursor_over_xy (view, event->x, event->y);
4196 ev_view_style_set (GtkWidget *widget,
4197 GtkStyle *old_style)
4199 if (EV_VIEW (widget)->pixbuf_cache)
4200 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4202 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
4208 ev_gdk_color_to_rgb (const GdkColor *color)
4211 result = (0xff0000 | (color->red & 0xff00));
4213 result |= ((color->green & 0xff00) | (color->blue >> 8));
4218 draw_rubberband (GtkWidget *widget, GdkWindow *window,
4219 const GdkRectangle *rect, guchar alpha)
4223 GdkColor *fill_color_gdk;
4226 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
4227 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
4229 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
4230 rect->width, rect->height);
4231 gdk_pixbuf_fill (pixbuf, fill_color);
4233 gdk_draw_pixbuf (window, NULL, pixbuf,
4235 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
4236 rect->width, rect->height,
4237 GDK_RGB_DITHER_NONE,
4240 g_object_unref (pixbuf);
4242 gc = gdk_gc_new (window);
4243 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
4244 gdk_draw_rectangle (window, gc, FALSE,
4245 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
4248 g_object_unref (gc);
4250 gdk_color_free (fill_color_gdk);
4255 highlight_find_results (EvView *view, int page)
4257 gint i, n_results = 0;
4259 n_results = ev_view_find_get_n_results (view, page);
4261 for (i = 0; i < n_results; i++) {
4262 EvRectangle *rectangle;
4263 GdkRectangle view_rectangle;
4266 if (i == view->find_result && page == view->current_page) {
4272 rectangle = ev_view_find_get_result (view, page, i);
4273 doc_rect_to_view_rect (view, page, rectangle, &view_rectangle);
4274 draw_rubberband (GTK_WIDGET (view), view->layout.bin_window,
4275 &view_rectangle, alpha);
4280 draw_loading_text (EvView *view,
4281 GdkRectangle *page_area,
4282 GdkRectangle *expose_area)
4287 if (!view->loading_text) {
4288 const gchar *loading_text = _("Loading...");
4289 PangoLayout *layout;
4290 PangoFontDescription *font_desc;
4291 PangoRectangle logical_rect;
4295 ev_document_fc_mutex_lock ();
4297 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
4299 font_desc = pango_font_description_new ();
4301 /* We set the font to be 10 points, get the size, and scale appropriately */
4302 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
4303 pango_layout_set_font_description (layout, font_desc);
4304 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
4306 target_width = MAX (page_area->width / 2, 1);
4307 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
4308 pango_font_description_set_size (font_desc, (int)real_scale);
4309 pango_layout_set_font_description (layout, font_desc);
4310 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
4312 view->loading_text = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
4314 logical_rect.height);
4315 cr = cairo_create (view->loading_text);
4316 cairo_set_source_rgb (cr,
4320 pango_cairo_show_layout (cr, layout);
4323 pango_font_description_free (font_desc);
4324 g_object_unref (layout);
4326 ev_document_fc_mutex_unlock ();
4329 width = (page_area->width - cairo_image_surface_get_width (view->loading_text)) / 2;
4330 height = (page_area->height - cairo_image_surface_get_height (view->loading_text)) / 2;
4332 cr = gdk_cairo_create (view->layout.bin_window);
4333 cairo_translate (cr,
4334 page_area->x + width,
4335 page_area->y + height);
4336 cairo_set_source_surface (cr, view->loading_text, 0, 0);
4342 draw_one_page (EvView *view,
4345 GdkRectangle *page_area,
4347 GdkRectangle *expose_area,
4348 gboolean *page_ready)
4350 GdkRectangle overlap;
4351 GdkRectangle real_page_area;
4353 g_assert (view->document);
4355 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
4358 /* Render the document itself */
4359 real_page_area = *page_area;
4361 real_page_area.x += border->left;
4362 real_page_area.y += border->top;
4363 real_page_area.width -= (border->left + border->right);
4364 real_page_area.height -= (border->top + border->bottom);
4367 if (!view->presentation) {
4370 current_page = ev_document_model_get_page (view->model);
4371 ev_document_misc_paint_one_page (view->layout.bin_window,
4374 page == current_page);
4377 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
4379 gint page_width, page_height;
4380 cairo_surface_t *page_surface = NULL;
4381 gint selection_width, selection_height;
4382 cairo_surface_t *selection_surface = NULL;
4384 page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page);
4386 if (!page_surface) {
4387 if (!view->presentation) {
4388 draw_loading_text (view,
4393 *page_ready = FALSE;
4398 ev_view_get_page_size (view, page, &width, &height);
4400 page_width = cairo_image_surface_get_width (page_surface);
4401 page_height = cairo_image_surface_get_height (page_surface);
4404 cairo_translate (cr, overlap.x, overlap.y);
4406 if (width != page_width || height != page_height) {
4407 cairo_pattern_set_filter (cairo_get_source (cr),
4410 (gdouble)width / page_width,
4411 (gdouble)height / page_height);
4414 cairo_surface_set_device_offset (page_surface,
4415 overlap.x - real_page_area.x,
4416 overlap.y - real_page_area.y);
4417 cairo_set_source_surface (cr, page_surface, 0, 0);
4421 /* Get the selection pixbuf iff we have something to draw */
4422 if (find_selection_for_page (view, page) &&
4423 view->selection_mode == EV_VIEW_SELECTION_TEXT) {
4425 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
4431 if (!selection_surface) {
4435 selection_width = cairo_image_surface_get_width (selection_surface);
4436 selection_height = cairo_image_surface_get_height (selection_surface);
4439 cairo_translate (cr, overlap.x, overlap.y);
4441 if (width != selection_width || height != selection_height) {
4442 cairo_pattern_set_filter (cairo_get_source (cr),
4445 (gdouble)width / selection_width,
4446 (gdouble)height / selection_height);
4449 cairo_surface_set_device_offset (selection_surface,
4450 overlap.x - real_page_area.x,
4451 overlap.y - real_page_area.y);
4452 cairo_set_source_surface (cr, selection_surface, 0, 0);
4458 /*** GObject functions ***/
4461 ev_view_finalize (GObject *object)
4463 EvView *view = EV_VIEW (object);
4465 clear_selection (view);
4466 clear_link_selected (view);
4468 if (view->image_dnd_info.image)
4469 g_object_unref (view->image_dnd_info.image);
4470 view->image_dnd_info.image = NULL;
4472 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
4476 ev_view_destroy (GtkObject *object)
4478 EvView *view = EV_VIEW (object);
4481 g_object_unref (view->model);
4485 if (view->document) {
4486 g_object_unref (view->document);
4487 view->document = NULL;
4490 if (view->pixbuf_cache) {
4491 g_object_unref (view->pixbuf_cache);
4492 view->pixbuf_cache = NULL;
4495 if (view->goto_window) {
4496 gtk_widget_destroy (view->goto_window);
4497 view->goto_window = NULL;
4498 view->goto_entry = NULL;
4501 ev_view_window_children_free (view);
4503 if (view->selection_scroll_id) {
4504 g_source_remove (view->selection_scroll_id);
4505 view->selection_scroll_id = 0;
4508 if (view->selection_update_id) {
4509 g_source_remove (view->selection_update_id);
4510 view->selection_update_id = 0;
4513 if (view->loading_text) {
4514 cairo_surface_destroy (view->loading_text);
4515 view->loading_text = NULL;
4518 if (view->scroll_info.timeout_id) {
4519 g_source_remove (view->scroll_info.timeout_id);
4520 view->scroll_info.timeout_id = 0;
4523 if (view->drag_info.drag_timeout_id) {
4524 g_source_remove (view->drag_info.drag_timeout_id);
4525 view->drag_info.drag_timeout_id = 0;
4528 if (view->drag_info.release_timeout_id) {
4529 g_source_remove (view->drag_info.release_timeout_id);
4530 view->drag_info.release_timeout_id = 0;
4533 ev_view_presentation_transition_stop (view);
4535 ev_view_set_scroll_adjustments (GTK_LAYOUT (view), NULL, NULL);
4537 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
4541 ev_view_set_property (GObject *object,
4543 const GValue *value,
4546 EvView *view = EV_VIEW (object);
4549 case PROP_CONTINUOUS:
4550 ev_view_set_continuous (view, g_value_get_boolean (value));
4552 case PROP_DUAL_PAGE:
4553 ev_view_set_dual_page (view, g_value_get_boolean (value));
4555 case PROP_FULLSCREEN:
4556 ev_view_set_fullscreen (view, g_value_get_boolean (value));
4558 case PROP_PRESENTATION:
4559 ev_view_set_presentation (view, g_value_get_boolean (value));
4561 case PROP_SIZING_MODE:
4562 ev_view_set_sizing_mode (view, g_value_get_enum (value));
4565 ev_view_set_zoom (view, g_value_get_double (value));
4568 ev_view_set_rotation (view, g_value_get_int (value));
4571 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
4576 ev_view_get_accessible (GtkWidget *widget)
4578 static gboolean first_time = TRUE;
4581 AtkObjectFactory *factory;
4582 AtkRegistry *registry;
4584 GType derived_atk_type;
4587 * Figure out whether accessibility is enabled by looking at the
4588 * type of the accessible object which would be created for
4589 * the parent type of EvView.
4591 derived_type = g_type_parent (EV_TYPE_VIEW);
4593 registry = atk_get_default_registry ();
4594 factory = atk_registry_get_factory (registry,
4596 derived_atk_type = atk_object_factory_get_accessible_type (factory);
4597 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
4598 atk_registry_set_factory_type (registry,
4600 ev_view_accessible_factory_get_type ());
4603 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
4607 ev_view_get_property (GObject *object,
4612 EvView *view = EV_VIEW (object);
4615 case PROP_CONTINUOUS:
4616 g_value_set_boolean (value, view->continuous);
4618 case PROP_DUAL_PAGE:
4619 g_value_set_boolean (value, view->dual_page);
4621 case PROP_FULLSCREEN:
4622 g_value_set_boolean (value, view->fullscreen);
4624 case PROP_PRESENTATION:
4625 g_value_set_boolean (value, view->presentation);
4627 case PROP_SIZING_MODE:
4628 g_value_set_enum (value, view->sizing_mode);
4631 g_value_set_double (value, view->scale);
4634 g_value_set_int (value, view->rotation);
4636 case PROP_HAS_SELECTION:
4637 g_value_set_boolean (value,
4638 view->selection_info.selections != NULL);
4641 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
4646 ev_view_class_init (EvViewClass *class)
4648 GObjectClass *object_class = G_OBJECT_CLASS (class);
4649 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
4650 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
4651 GtkLayoutClass *layout_class = GTK_LAYOUT_CLASS (class);
4652 GtkBindingSet *binding_set;
4654 object_class->finalize = ev_view_finalize;
4655 object_class->set_property = ev_view_set_property;
4656 object_class->get_property = ev_view_get_property;
4658 widget_class->expose_event = ev_view_expose_event;
4659 widget_class->button_press_event = ev_view_button_press_event;
4660 widget_class->motion_notify_event = ev_view_motion_notify_event;
4661 widget_class->button_release_event = ev_view_button_release_event;
4662 widget_class->key_press_event = ev_view_key_press_event;
4663 widget_class->focus_in_event = ev_view_focus_in;
4664 widget_class->focus_out_event = ev_view_focus_out;
4665 widget_class->get_accessible = ev_view_get_accessible;
4666 widget_class->size_request = ev_view_size_request;
4667 widget_class->size_allocate = ev_view_size_allocate;
4668 widget_class->realize = ev_view_realize;
4669 widget_class->scroll_event = ev_view_scroll_event;
4670 widget_class->enter_notify_event = ev_view_enter_notify_event;
4671 widget_class->leave_notify_event = ev_view_leave_notify_event;
4672 widget_class->style_set = ev_view_style_set;
4673 widget_class->drag_data_get = ev_view_drag_data_get;
4674 widget_class->drag_motion = ev_view_drag_motion;
4675 widget_class->popup_menu = ev_view_popup_menu;
4676 widget_class->query_tooltip = ev_view_query_tooltip;
4678 gtk_object_class->destroy = ev_view_destroy;
4680 layout_class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
4682 class->binding_activated = ev_view_scroll;
4684 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
4685 G_TYPE_FROM_CLASS (object_class),
4686 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4687 G_STRUCT_OFFSET (EvViewClass, binding_activated),
4689 ev_view_marshal_VOID__ENUM_BOOLEAN,
4691 GTK_TYPE_SCROLL_TYPE,
4693 signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link",
4694 G_TYPE_FROM_CLASS (object_class),
4695 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4696 G_STRUCT_OFFSET (EvViewClass, handle_link),
4698 g_cclosure_marshal_VOID__OBJECT,
4701 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
4702 G_TYPE_FROM_CLASS (object_class),
4703 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4704 G_STRUCT_OFFSET (EvViewClass, external_link),
4706 g_cclosure_marshal_VOID__OBJECT,
4709 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
4710 G_TYPE_FROM_CLASS (object_class),
4711 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4712 G_STRUCT_OFFSET (EvViewClass, popup_menu),
4714 g_cclosure_marshal_VOID__OBJECT,
4719 g_object_class_install_property (object_class,
4721 g_param_spec_boolean ("continuous",
4723 "Continuous scrolling mode",
4725 G_PARAM_READWRITE));
4727 g_object_class_install_property (object_class,
4729 g_param_spec_boolean ("dual-page",
4731 "Two pages visible at once",
4733 G_PARAM_READWRITE));
4734 g_object_class_install_property (object_class,
4736 g_param_spec_boolean ("fullscreen",
4738 "Draw page in a fullscreen fashion",
4740 G_PARAM_READWRITE));
4741 g_object_class_install_property (object_class,
4743 g_param_spec_boolean ("presentation",
4745 "Draw page in presentation mode",
4747 G_PARAM_READWRITE));
4749 g_object_class_install_property (object_class,
4751 g_param_spec_enum ("sizing-mode",
4754 EV_TYPE_SIZING_MODE,
4755 EV_SIZING_FIT_WIDTH,
4756 G_PARAM_READWRITE));
4758 g_object_class_install_property (object_class,
4760 g_param_spec_double ("zoom",
4766 G_PARAM_READWRITE));
4767 g_object_class_install_property (object_class,
4769 g_param_spec_double ("rotation",
4775 G_PARAM_READWRITE));
4777 g_object_class_install_property (object_class,
4779 g_param_spec_boolean ("has-selection",
4781 "The view has selections",
4785 binding_set = gtk_binding_set_by_class (class);
4787 add_scroll_binding_keypad (binding_set, GDK_Left, 0, GTK_SCROLL_STEP_BACKWARD, TRUE);
4788 add_scroll_binding_keypad (binding_set, GDK_Right, 0, GTK_SCROLL_STEP_FORWARD, TRUE);
4789 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, TRUE);
4790 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, TRUE);
4791 add_scroll_binding_keypad (binding_set, GDK_Up, 0, GTK_SCROLL_STEP_BACKWARD, FALSE);
4792 add_scroll_binding_keypad (binding_set, GDK_Down, 0, GTK_SCROLL_STEP_FORWARD, FALSE);
4793 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, FALSE);
4794 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, FALSE);
4795 gtk_binding_entry_add_signal (binding_set, GDK_H, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4796 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE);
4797 gtk_binding_entry_add_signal (binding_set, GDK_J, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4798 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE);
4799 gtk_binding_entry_add_signal (binding_set, GDK_K, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4800 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE);
4801 gtk_binding_entry_add_signal (binding_set, GDK_L, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4802 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE);
4807 ev_view_init (EvView *view)
4809 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
4811 view->start_page = -1;
4812 view->end_page = -1;
4815 view->current_page = 0;
4816 view->pressed_button = -1;
4817 view->cursor = EV_VIEW_CURSOR_NORMAL;
4818 view->drag_info.in_drag = FALSE;
4819 view->scroll_info.autoscrolling = FALSE;
4820 view->selection_info.selections = NULL;
4821 view->selection_info.in_selection = FALSE;
4822 view->selection_info.in_drag = FALSE;
4823 view->selection_mode = EV_VIEW_SELECTION_TEXT;
4824 view->continuous = TRUE;
4825 view->dual_page = FALSE;
4826 view->presentation = FALSE;
4827 view->presentation_state = EV_PRESENTATION_NORMAL;
4828 view->fullscreen = FALSE;
4829 view->sizing_mode = EV_SIZING_FIT_WIDTH;
4830 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4831 view->jump_to_find_result = TRUE;
4832 view->highlight_find_results = FALSE;
4834 gtk_layout_set_hadjustment (GTK_LAYOUT (view), NULL);
4835 gtk_layout_set_vadjustment (GTK_LAYOUT (view), NULL);
4841 ev_view_change_page (EvView *view,
4843 gboolean start_transition)
4847 view->current_page = new_page;
4848 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4850 if (view->presentation && start_transition)
4851 ev_view_presentation_transition_start (view);
4853 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4854 ev_view_handle_cursor_over_xy (view, x, y);
4856 gtk_widget_queue_resize (GTK_WIDGET (view));
4860 ev_view_transition_animation_finish (EvTransitionAnimation *animation,
4863 g_object_unref (view->animation);
4864 view->animation = NULL;
4865 ev_view_change_page (view, view->current_page, TRUE);
4869 * ev_view_transition_animation_cancel:
4870 * @animation: Animation to finish
4873 * Does almost the same as cancel, but without scheduling the transition.
4877 ev_view_transition_animation_cancel (EvTransitionAnimation *animation,
4880 g_object_unref (view->animation);
4881 view->animation = NULL;
4882 ev_view_change_page (view, view->current_page, FALSE);
4886 ev_view_transition_animation_frame (EvTransitionAnimation *animation,
4890 gtk_widget_queue_draw (GTK_WIDGET (view));
4894 ev_view_presentation_animation_start (EvView *view,
4897 EvTransitionEffect *effect = NULL;
4898 cairo_surface_t *surface;
4900 if (EV_IS_DOCUMENT_TRANSITION (view->document))
4901 effect = ev_document_transition_get_effect (EV_DOCUMENT_TRANSITION (view->document),
4902 view->current_page);
4906 view->animation = ev_transition_animation_new (effect);
4908 surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page);
4909 ev_transition_animation_set_origin_surface (view->animation, surface);
4910 surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, new_page);
4912 ev_transition_animation_set_dest_surface (view->animation, surface);
4914 g_signal_connect (view->animation, "frame",
4915 G_CALLBACK (ev_view_transition_animation_frame), view);
4916 g_signal_connect (view->animation, "finished",
4917 G_CALLBACK (ev_view_transition_animation_finish), view);
4921 job_finished_cb (EvPixbufCache *pixbuf_cache,
4925 if (view->animation) {
4926 cairo_surface_t *surface;
4928 surface = ev_pixbuf_cache_get_surface (pixbuf_cache, view->current_page);
4929 ev_transition_animation_set_dest_surface (view->animation, surface);
4933 gdk_window_invalidate_region (view->layout.bin_window,
4936 gtk_widget_queue_draw (GTK_WIDGET (view));
4941 ev_view_page_changed_cb (EvDocumentModel *model,
4946 if (!view->document)
4949 if (view->current_page != new_page) {
4950 if (view->presentation)
4951 ev_view_presentation_animation_start (view, new_page);
4953 ev_view_change_page (view, new_page, TRUE);
4955 gtk_widget_queue_draw (GTK_WIDGET (view));
4958 view->find_result = 0;
4962 on_adjustment_value_changed (GtkAdjustment *adjustment,
4967 GList *children, *l;
4969 if (! GTK_WIDGET_REALIZED (view))
4972 if (view->hadjustment) {
4973 dx = view->scroll_x - (int) view->hadjustment->value;
4974 view->scroll_x = (int) view->hadjustment->value;
4979 if (view->vadjustment) {
4980 dy = view->scroll_y - (int) view->vadjustment->value;
4981 view->scroll_y = (int) view->vadjustment->value;
4986 children = gtk_container_get_children (GTK_CONTAINER (view));
4987 for (l = children; l && l->data; l = g_list_next (l)) {
4988 gint child_x, child_y;
4989 GtkWidget *child = (GtkWidget *)l->data;
4991 gtk_container_child_get (GTK_CONTAINER (view),
4996 gtk_layout_move (GTK_LAYOUT (view), child, child_x + dx, child_y + dy);
4998 g_list_free (children);
5000 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
5001 EvViewWindowChild *child;
5003 child = (EvViewWindowChild *)l->data;
5005 ev_view_window_child_move (view, child, child->x + dx, child->y + dy);
5008 if (view->pending_resize)
5009 gtk_widget_queue_draw (GTK_WIDGET (view));
5011 gdk_window_scroll (view->layout.bin_window, dx, dy);
5013 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
5014 ev_view_handle_cursor_over_xy (view, x, y);
5017 view_update_range_and_current_page (view);
5025 view = g_object_new (EV_TYPE_VIEW, NULL);
5031 setup_caches (EvView *view)
5033 view->height_to_page_cache = ev_view_get_height_to_page_cache (view);
5034 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
5035 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
5039 clear_caches (EvView *view)
5041 if (view->pixbuf_cache) {
5042 g_object_unref (view->pixbuf_cache);
5043 view->pixbuf_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) {
5138 clear_caches (view);
5140 if (view->document) {
5141 g_object_unref (view->document);
5144 view->document = document;
5145 view->find_result = 0;
5147 if (view->document) {
5148 g_object_ref (view->document);
5149 setup_caches (view);
5152 ev_view_change_page (view,
5153 ev_document_model_get_page (model),
5159 ev_view_rotation_changed_cb (EvDocumentModel *model,
5163 gint rotation = ev_document_model_get_rotation (model);
5165 ev_view_set_rotation (view, rotation);
5167 if (view->pixbuf_cache) {
5168 ev_pixbuf_cache_clear (view->pixbuf_cache);
5169 if (!ev_document_is_page_size_uniform (view->document))
5170 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5171 gtk_widget_queue_resize (GTK_WIDGET (view));
5174 ev_view_remove_all (view);
5177 clear_selection (view);
5181 ev_view_sizing_mode_changed_cb (EvDocumentModel *model,
5185 EvSizingMode mode = ev_document_model_get_sizing_mode (model);
5187 ev_view_set_sizing_mode (view, mode);
5189 if (mode != EV_SIZING_FREE)
5190 gtk_widget_queue_resize (GTK_WIDGET (view));
5193 #define EPSILON 0.0000001
5195 ev_view_scale_changed_cb (EvDocumentModel *model,
5199 gdouble scale = ev_document_model_get_scale (model);
5201 if (ABS (view->scale - scale) < EPSILON)
5204 if (view->loading_text) {
5205 cairo_surface_destroy (view->loading_text);
5206 view->loading_text = NULL;
5209 ev_view_set_zoom (view, scale);
5211 view->pending_resize = TRUE;
5212 gtk_widget_queue_resize (GTK_WIDGET (view));
5216 ev_view_continuous_changed_cb (EvDocumentModel *model,
5220 gboolean continuous = ev_document_model_get_continuous (model);
5222 ev_view_set_continuous (view, continuous);
5223 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5224 gtk_widget_queue_resize (GTK_WIDGET (view));
5228 ev_view_dual_page_changed_cb (EvDocumentModel *model,
5232 gboolean dual_page = ev_document_model_get_dual_page (model);
5234 ev_view_set_dual_page (view, dual_page);
5235 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5236 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
5237 * preload_cache_size to be 2 if dual_page is set.
5239 gtk_widget_queue_resize (GTK_WIDGET (view));
5243 ev_view_fullscreen_changed_cb (EvDocumentModel *model,
5247 gboolean fullscreen = ev_document_model_get_fullscreen (model);
5249 ev_view_set_fullscreen (view, fullscreen);
5250 gtk_widget_queue_resize (GTK_WIDGET (view));
5254 ev_view_set_model (EvView *view,
5255 EvDocumentModel *model)
5257 g_return_if_fail (EV_IS_VIEW (view));
5258 g_return_if_fail (EV_IS_DOCUMENT_MODEL (model));
5260 if (model == view->model)
5264 g_signal_handlers_disconnect_by_func (view->model,
5265 ev_view_document_changed_cb,
5267 g_signal_handlers_disconnect_by_func (view->model,
5268 ev_view_page_changed_cb,
5270 g_object_unref (view->model);
5272 view->model = g_object_ref (model);
5273 g_signal_connect (view->model, "notify::document",
5274 G_CALLBACK (ev_view_document_changed_cb),
5276 g_signal_connect (view->model, "notify::rotation",
5277 G_CALLBACK (ev_view_rotation_changed_cb),
5279 g_signal_connect (view->model, "notify::sizing-mode",
5280 G_CALLBACK (ev_view_sizing_mode_changed_cb),
5282 g_signal_connect (view->model, "notify::scale",
5283 G_CALLBACK (ev_view_scale_changed_cb),
5285 g_signal_connect (view->model, "notify::continuous",
5286 G_CALLBACK (ev_view_continuous_changed_cb),
5288 g_signal_connect (view->model, "notify::dual-page",
5289 G_CALLBACK (ev_view_dual_page_changed_cb),
5291 g_signal_connect (view->model, "notify::fullscreen",
5292 G_CALLBACK (ev_view_fullscreen_changed_cb),
5294 g_signal_connect (view->model, "page-changed",
5295 G_CALLBACK (ev_view_page_changed_cb),
5300 ev_view_reload_page (EvView *view,
5304 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
5312 ev_view_reload (EvView *view)
5314 ev_pixbuf_cache_clear (view->pixbuf_cache);
5315 view_update_range_and_current_page (view);
5318 /*** Zoom and sizing mode ***/
5321 ev_view_set_zoom (EvView *view,
5324 view->scale = scale;
5326 g_object_notify (G_OBJECT (view), "zoom");
5330 ev_view_get_zoom (EvView *view)
5336 ev_view_get_continuous (EvView *view)
5338 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5340 return view->continuous;
5344 ev_view_set_continuous (EvView *view,
5345 gboolean continuous)
5347 g_return_if_fail (EV_IS_VIEW (view));
5349 view->continuous = continuous;
5351 g_object_notify (G_OBJECT (view), "continuous");
5355 ev_view_get_dual_page (EvView *view)
5357 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5359 return view->dual_page;
5363 ev_view_set_dual_page (EvView *view,
5366 g_return_if_fail (EV_IS_VIEW (view));
5368 view->dual_page = dual_page;
5370 g_object_notify (G_OBJECT (view), "dual-page");
5374 ev_view_set_fullscreen (EvView *view,
5375 gboolean fullscreen)
5377 g_return_if_fail (EV_IS_VIEW (view));
5379 view->fullscreen = fullscreen;
5381 g_object_notify (G_OBJECT (view), "fullscreen");
5385 ev_view_get_fullscreen (EvView *view)
5387 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5389 return view->fullscreen;
5393 ev_view_set_presentation (EvView *view,
5394 gboolean presentation)
5396 g_return_if_fail (EV_IS_VIEW (view));
5398 presentation = presentation != FALSE;
5400 if (view->presentation == presentation)
5404 view->presentation_state = EV_PRESENTATION_NORMAL;
5406 view->presentation = presentation;
5407 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5410 view->sizing_mode_saved = view->sizing_mode;
5411 view->scale_saved = view->scale;
5412 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
5414 ev_document_model_set_sizing_mode (view->model, view->sizing_mode_saved);
5415 ev_document_model_set_scale (view->model, view->scale_saved);
5418 gtk_widget_queue_resize (GTK_WIDGET (view));
5421 ev_view_presentation_transition_start (view);
5423 ev_view_presentation_transition_stop (view);
5425 if (view->animation) {
5426 /* stop any running animation */
5427 ev_view_transition_animation_cancel (view->animation, view);
5431 if (GTK_WIDGET_REALIZED (view)) {
5432 if (view->presentation)
5433 gdk_window_set_background (view->layout.bin_window,
5434 >K_WIDGET (view)->style->black);
5436 gdk_window_set_background (view->layout.bin_window,
5437 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
5440 g_object_notify (G_OBJECT (view), "presentation");
5444 ev_view_get_presentation (EvView *view)
5446 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5448 return view->presentation;
5452 transition_next_page (EvView *view)
5454 ev_view_next_page (view);
5460 ev_view_presentation_transition_stop (EvView *view)
5462 if (view->trans_timeout_id > 0)
5463 g_source_remove (view->trans_timeout_id);
5464 view->trans_timeout_id = 0;
5468 ev_view_presentation_transition_start (EvView *view)
5472 if (!EV_IS_DOCUMENT_TRANSITION (view->document))
5475 ev_view_presentation_transition_stop (view);
5477 duration = ev_document_transition_get_page_duration (EV_DOCUMENT_TRANSITION (view->document),
5478 view->current_page);
5480 view->trans_timeout_id =
5481 g_timeout_add_seconds (duration,
5482 (GSourceFunc) transition_next_page,
5488 ev_view_set_sizing_mode (EvView *view,
5489 EvSizingMode sizing_mode)
5491 view->sizing_mode = sizing_mode;
5493 g_object_notify (G_OBJECT (view), "sizing-mode");
5497 ev_view_get_sizing_mode (EvView *view)
5499 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
5501 return view->sizing_mode;
5505 ev_view_can_zoom_in (EvView *view)
5507 return view->scale * ZOOM_IN_FACTOR <= ev_document_model_get_max_scale (view->model);
5511 ev_view_can_zoom_out (EvView *view)
5513 return view->scale * ZOOM_OUT_FACTOR >= ev_document_model_get_min_scale (view->model);
5517 ev_view_zoom_in (EvView *view)
5521 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5523 if (view->presentation)
5526 view->pending_scroll = SCROLL_TO_CENTER;
5527 scale = ev_document_model_get_scale (view->model) * ZOOM_IN_FACTOR;
5528 ev_document_model_set_scale (view->model, scale);
5532 ev_view_zoom_out (EvView *view)
5536 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5538 if (view->presentation)
5541 view->pending_scroll = SCROLL_TO_CENTER;
5542 scale = ev_document_model_get_scale (view->model) * ZOOM_OUT_FACTOR;
5543 ev_document_model_set_scale (view->model, scale);
5547 ev_view_set_rotation (EvView *view, int rotation)
5549 view->rotation = rotation;
5551 g_object_notify (G_OBJECT (view), "rotation");
5555 ev_view_get_rotation (EvView *view)
5557 return view->rotation;
5561 zoom_for_size_fit_width (gdouble doc_width,
5568 scale = (double)target_width / doc_width;
5570 if (doc_height * scale > target_height)
5571 scale = (double)target_width / doc_width;
5577 zoom_for_size_fit_height (gdouble doc_width,
5584 scale = (double)target_height / doc_height;
5586 if (doc_width * scale > target_width)
5587 scale = (double)target_height / doc_height;
5593 zoom_for_size_best_fit (gdouble doc_width,
5601 w_scale = (double)target_width / doc_width;
5602 h_scale = (double)target_height / doc_height;
5604 if (doc_height * w_scale > target_height)
5605 w_scale = (double)target_width / doc_width;
5606 if (doc_width * h_scale > target_width)
5607 h_scale = (double)target_height / doc_height;
5609 return MIN (w_scale, h_scale);
5614 ev_view_zoom_for_size_presentation (EvView *view,
5618 gdouble doc_width, doc_height;
5621 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5622 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5623 ev_document_model_set_scale (view->model, scale);
5627 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
5631 gdouble doc_width, doc_height;
5635 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5636 if (view->rotation == 90 || view->rotation == 270) {
5640 doc_width = doc_height;
5644 compute_border (view, doc_width, doc_height, &border);
5647 width -= (2 * (border.left + border.right) + 3 * view->spacing);
5648 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5650 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5651 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height);
5652 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5653 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5655 g_assert_not_reached ();
5657 ev_document_model_set_scale (view->model, scale);
5661 ev_view_zoom_for_size_continuous (EvView *view,
5665 gdouble doc_width, doc_height;
5669 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5670 if (view->rotation == 90 || view->rotation == 270) {
5674 doc_width = doc_height;
5678 compute_border (view, doc_width, doc_height, &border);
5680 width -= (border.left + border.right + 2 * view->spacing);
5681 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5683 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5684 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height);
5685 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5686 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5688 g_assert_not_reached ();
5690 ev_document_model_set_scale (view->model, scale);
5694 ev_view_zoom_for_size_dual_page (EvView *view,
5699 gdouble doc_width, doc_height;
5703 other_page = view->current_page ^ 1;
5705 /* Find the largest of the two. */
5706 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5707 if (other_page < ev_document_get_n_pages (view->document)) {
5708 gdouble width_2, height_2;
5710 get_doc_page_size (view, other_page, &width_2, &height_2);
5711 if (width_2 > doc_width)
5712 doc_width = width_2;
5713 if (height_2 > doc_height)
5714 doc_height = height_2;
5716 compute_border (view, width, height, &border);
5718 doc_width = doc_width * 2;
5719 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
5720 height -= (border.top + border.bottom + 2 * view->spacing);
5722 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5723 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height);
5724 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5725 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5727 g_assert_not_reached ();
5729 ev_document_model_set_scale (view->model, scale);
5733 ev_view_zoom_for_size_single_page (EvView *view,
5737 gdouble doc_width, doc_height;
5741 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5743 /* Get an approximate border */
5744 compute_border (view, width, height, &border);
5746 width -= (border.left + border.right + 2 * view->spacing);
5747 height -= (border.top + border.bottom + 2 * view->spacing);
5749 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5750 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height);
5751 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5752 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5754 g_assert_not_reached ();
5756 ev_document_model_set_scale (view->model, scale);
5760 ev_view_zoom_for_size (EvView *view,
5764 g_return_if_fail (EV_IS_VIEW (view));
5765 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
5766 view->sizing_mode == EV_SIZING_BEST_FIT);
5767 g_return_if_fail (width >= 0);
5768 g_return_if_fail (height >= 0);
5770 if (view->document == NULL)
5773 if (view->presentation)
5774 ev_view_zoom_for_size_presentation (view, width, height);
5775 else if (view->continuous && view->dual_page)
5776 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height);
5777 else if (view->continuous)
5778 ev_view_zoom_for_size_continuous (view, width, height);
5779 else if (view->dual_page)
5780 ev_view_zoom_for_size_dual_page (view, width, height);
5782 ev_view_zoom_for_size_single_page (view, width, height);
5787 ev_view_find_get_n_results (EvView *view, gint page)
5789 return view->find_pages ? g_list_length (view->find_pages[page]) : 0;
5792 static EvRectangle *
5793 ev_view_find_get_result (EvView *view, gint page, gint result)
5795 return view->find_pages ? (EvRectangle *) g_list_nth_data (view->find_pages[page], result) : NULL;
5799 jump_to_find_result (EvView *view)
5802 gint page = view->current_page;
5804 n_results = ev_view_find_get_n_results (view, page);
5806 if (n_results > 0 && view->find_result < n_results) {
5808 GdkRectangle view_rect;
5810 rect = ev_view_find_get_result (view, page, view->find_result);
5811 doc_rect_to_view_rect (view, page, rect, &view_rect);
5812 ensure_rectangle_is_visible (view, &view_rect);
5813 view->jump_to_find_result = FALSE;
5819 * @view: #EvView instance
5820 * @direction: Direction to look
5821 * @shift: Shift from current page
5823 * Jumps to the first page that has occurences of searched word.
5824 * Uses a direction where to look and a shift from current page.
5828 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
5832 n_pages = ev_document_get_n_pages (view->document);
5834 for (i = 0; i < n_pages; i++) {
5837 if (direction == EV_VIEW_FIND_NEXT)
5838 page = view->current_page + i;
5840 page = view->current_page - i;
5843 if (page >= n_pages) {
5844 page = page - n_pages;
5845 } else if (page < 0)
5846 page = page + n_pages;
5848 if (ev_view_find_get_n_results (view, page) > 0) {
5849 ev_document_model_set_page (view->model, page);
5856 ev_view_find_changed (EvView *view, GList **results, gint page)
5858 view->find_pages = results;
5860 if (view->jump_to_find_result == TRUE) {
5861 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
5862 jump_to_find_result (view);
5865 if (view->current_page == page)
5866 gtk_widget_queue_draw (GTK_WIDGET (view));
5870 ev_view_find_next (EvView *view)
5874 n_results = ev_view_find_get_n_results (view, view->current_page);
5875 view->find_result++;
5877 if (view->find_result >= n_results) {
5878 view->find_result = 0;
5879 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
5880 jump_to_find_result (view);
5882 jump_to_find_result (view);
5883 gtk_widget_queue_draw (GTK_WIDGET (view));
5888 ev_view_find_previous (EvView *view)
5890 view->find_result--;
5892 if (view->find_result < 0) {
5893 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
5894 view->find_result = MAX (0, ev_view_find_get_n_results (view, view->current_page) - 1);
5895 jump_to_find_result (view);
5897 jump_to_find_result (view);
5898 gtk_widget_queue_draw (GTK_WIDGET (view));
5903 ev_view_find_search_changed (EvView *view)
5905 /* search string has changed, focus on new search result */
5906 view->jump_to_find_result = TRUE;
5907 view->find_pages = NULL;
5911 ev_view_find_set_highlight_search (EvView *view, gboolean value)
5913 view->highlight_find_results = value;
5914 gtk_widget_queue_draw (GTK_WIDGET (view));
5918 ev_view_find_cancel (EvView *view)
5920 view->find_pages = NULL;
5923 /*** Selections ***/
5925 /* compute_new_selection_rect/text calculates the area currently selected by
5926 * view_rect. each handles a different mode;
5929 compute_new_selection_rect (EvView *view,
5933 GdkRectangle view_rect;
5937 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
5939 view_rect.x = MIN (start->x, stop->x);
5940 view_rect.y = MIN (start->y, stop->y);
5941 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
5942 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
5944 n_pages = ev_document_get_n_pages (view->document);
5946 for (i = 0; i < n_pages; i++) {
5947 GdkRectangle page_area;
5950 if (get_page_extents (view, i, &page_area, &border)) {
5951 GdkRectangle overlap;
5953 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
5954 EvViewSelection *selection;
5956 selection = g_new0 (EvViewSelection, 1);
5957 selection->page = i;
5958 view_rect_to_doc_rect (view, &overlap, &page_area,
5959 &(selection->rect));
5961 list = g_list_append (list, selection);
5970 gdk_rectangle_point_in (GdkRectangle *rectangle,
5973 return rectangle->x <= point->x &&
5974 rectangle->y <= point->y &&
5975 point->x < rectangle->x + rectangle->width &&
5976 point->y < rectangle->y + rectangle->height;
5980 compute_new_selection_text (EvView *view,
5981 EvSelectionStyle style,
5985 int n_pages, i, first, last;
5987 EvViewSelection *selection;
5988 gdouble width, height;
5989 int start_page, end_page;
5991 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
5993 n_pages = ev_document_get_n_pages (view->document);
5995 /* First figure out the range of pages the selection
5999 if (view->continuous) {
6002 } else if (view->dual_page) {
6003 start_page = view->start_page;
6004 end_page = view->end_page + 1;
6006 start_page = view->current_page;
6007 end_page = view->current_page + 1;
6010 for (i = start_page; i < end_page; i++) {
6011 GdkRectangle page_area;
6014 get_page_extents (view, i, &page_area, &border);
6015 if (gdk_rectangle_point_in (&page_area, start) ||
6016 gdk_rectangle_point_in (&page_area, stop)) {
6017 if (first == n_pages)
6024 /* Now create a list of EvViewSelection's for the affected
6025 * pages. This could be an empty list, a list of just one
6026 * page or a number of pages.*/
6027 for (i = first; i < last + 1; i++) {
6028 GdkRectangle page_area;
6032 get_doc_page_size (view, i, &width, &height);
6034 selection = g_new0 (EvViewSelection, 1);
6035 selection->page = i;
6036 selection->style = style;
6037 selection->rect.x1 = selection->rect.y1 = 0;
6038 selection->rect.x2 = width;
6039 selection->rect.y2 = height;
6041 get_page_extents (view, i, &page_area, &border);
6043 if (gdk_rectangle_point_in (&page_area, start))
6049 view_point_to_doc_point (view, point, &page_area,
6050 &selection->rect.x1,
6051 &selection->rect.y1);
6053 /* If the selection is contained within just one page,
6054 * make sure we don't write 'start' into both points
6055 * in selection->rect. */
6060 view_point_to_doc_point (view, point, &page_area,
6061 &selection->rect.x2,
6062 &selection->rect.y2);
6064 list = g_list_append (list, selection);
6070 /* This function takes the newly calculated list, and figures out which regions
6071 * have changed. It then queues a redraw approporiately.
6074 merge_selection_region (EvView *view,
6078 GList *new_list_ptr, *old_list_ptr;
6080 /* Update the selection */
6081 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
6082 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
6083 g_list_free (view->selection_info.selections);
6084 view->selection_info.selections = new_list;
6085 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
6086 g_object_notify (G_OBJECT (view), "has-selection");
6088 new_list_ptr = new_list;
6089 old_list_ptr = old_list;
6091 while (new_list_ptr || old_list_ptr) {
6092 EvViewSelection *old_sel, *new_sel;
6094 GdkRegion *region = NULL;
6096 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
6097 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
6099 /* Assume that the lists are in order, and we run through them
6100 * comparing them, one page at a time. We come out with the
6101 * first page we see. */
6102 if (new_sel && old_sel) {
6103 if (new_sel->page < old_sel->page) {
6104 new_list_ptr = new_list_ptr->next;
6106 } else if (new_sel->page > old_sel->page) {
6107 old_list_ptr = old_list_ptr->next;
6110 new_list_ptr = new_list_ptr->next;
6111 old_list_ptr = old_list_ptr->next;
6113 } else if (new_sel) {
6114 new_list_ptr = new_list_ptr->next;
6115 } else if (old_sel) {
6116 old_list_ptr = old_list_ptr->next;
6119 g_assert (new_sel || old_sel);
6121 /* is the page we're looking at on the screen?*/
6122 cur_page = new_sel ? new_sel->page : old_sel->page;
6123 if (cur_page < view->start_page || cur_page > view->end_page)
6126 /* seed the cache with a new page. We are going to need the new
6129 GdkRegion *tmp_region = NULL;
6131 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
6137 new_sel->covered_region = gdk_region_copy (tmp_region);
6141 /* Now we figure out what needs redrawing */
6142 if (old_sel && new_sel) {
6143 if (old_sel->covered_region && new_sel->covered_region) {
6144 /* We only want to redraw the areas that have
6145 * changed, so we xor the old and new regions
6146 * and redraw if it's different */
6147 region = gdk_region_copy (old_sel->covered_region);
6148 gdk_region_xor (region, new_sel->covered_region);
6149 if (gdk_region_empty (region)) {
6150 gdk_region_destroy (region);
6153 } else if (old_sel->covered_region) {
6154 region = gdk_region_copy (old_sel->covered_region);
6155 } else if (new_sel->covered_region) {
6156 region = gdk_region_copy (new_sel->covered_region);
6158 } else if (old_sel && !new_sel) {
6159 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
6160 region = gdk_region_copy (old_sel->covered_region);
6162 } else if (!old_sel && new_sel) {
6163 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
6164 region = gdk_region_copy (new_sel->covered_region);
6167 g_assert_not_reached ();
6170 /* Redraw the damaged region! */
6172 GdkRectangle page_area;
6175 /* I don't know why but the region is smaller
6176 * than expected. This hack fixes it, I guess
6177 * 10 pixels more won't hurt
6179 gdk_region_shrink (region, -5, -5);
6181 get_page_extents (view, cur_page, &page_area, &border);
6182 gdk_region_offset (region,
6183 page_area.x + border.left - view->scroll_x,
6184 page_area.y + border.top - view->scroll_y);
6185 gdk_window_invalidate_region (view->layout.bin_window, region, TRUE);
6186 gdk_region_destroy (region);
6190 /* Free the old list, now that we're done with it. */
6191 g_list_foreach (old_list, (GFunc) selection_free, NULL);
6192 g_list_free (old_list);
6196 compute_selections (EvView *view,
6197 EvSelectionStyle style,
6203 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
6204 list = compute_new_selection_rect (view, start, stop);
6206 list = compute_new_selection_text (view, style, start, stop);
6207 merge_selection_region (view, list);
6210 /* Free's the selection. It's up to the caller to queue redraws if needed.
6213 selection_free (EvViewSelection *selection)
6215 if (selection->covered_region)
6216 gdk_region_destroy (selection->covered_region);
6221 clear_selection (EvView *view)
6223 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
6224 g_list_free (view->selection_info.selections);
6225 view->selection_info.selections = NULL;
6226 view->selection_info.in_selection = FALSE;
6227 if (view->pixbuf_cache)
6228 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
6229 g_object_notify (G_OBJECT (view), "has-selection");
6233 ev_view_select_all (EvView *view)
6235 GList *selections = NULL;
6238 /* Disable selection on rotated pages for the 0.4.0 series */
6239 if (view->rotation != 0)
6242 clear_selection (view);
6244 n_pages = ev_document_get_n_pages (view->document);
6245 for (i = 0; i < n_pages; i++) {
6246 gdouble width, height;
6247 EvViewSelection *selection;
6249 get_doc_page_size (view, i, &width, &height);
6251 selection = g_new0 (EvViewSelection, 1);
6252 selection->page = i;
6253 selection->style = EV_SELECTION_STYLE_GLYPH;
6254 selection->rect.x1 = selection->rect.y1 = 0;
6255 selection->rect.x2 = width;
6256 selection->rect.y2 = height;
6258 selections = g_list_append (selections, selection);
6261 merge_selection_region (view, selections);
6262 gtk_widget_queue_draw (GTK_WIDGET (view));
6266 ev_view_get_has_selection (EvView *view)
6268 return view->selection_info.selections != NULL;
6272 get_selected_text (EvView *view)
6276 gchar *normalized_text;
6277 EvRenderContext *rc;
6279 text = g_string_new (NULL);
6280 rc = ev_render_context_new (NULL, view->rotation, view->scale);
6282 ev_document_doc_mutex_lock ();
6284 for (l = view->selection_info.selections; l != NULL; l = l->next) {
6285 EvViewSelection *selection = (EvViewSelection *)l->data;
6289 page = ev_document_get_page (view->document, selection->page);
6290 ev_render_context_set_page (rc, page);
6291 g_object_unref (page);
6293 tmp = ev_selection_get_selected_text (EV_SELECTION (view->document),
6294 rc, selection->style,
6295 &(selection->rect));
6297 g_string_append (text, tmp);
6301 g_object_unref (rc);
6303 ev_document_doc_mutex_unlock ();
6305 normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC);
6306 g_string_free (text, TRUE);
6307 return normalized_text;
6311 ev_view_clipboard_copy (EvView *view,
6314 GtkClipboard *clipboard;
6316 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
6317 GDK_SELECTION_CLIPBOARD);
6318 gtk_clipboard_set_text (clipboard, text, -1);
6322 ev_view_copy (EvView *ev_view)
6326 if (!EV_IS_SELECTION (ev_view->document))
6329 text = get_selected_text (ev_view);
6330 ev_view_clipboard_copy (ev_view, text);
6335 ev_view_primary_get_cb (GtkClipboard *clipboard,
6336 GtkSelectionData *selection_data,
6340 EvView *ev_view = EV_VIEW (data);
6342 if (ev_view->link_selected) {
6343 gtk_selection_data_set_text (selection_data,
6344 ev_link_action_get_uri (ev_view->link_selected),
6346 } else if (EV_IS_SELECTION (ev_view->document) &&
6347 ev_view->selection_info.selections) {
6350 text = get_selected_text (ev_view);
6352 gtk_selection_data_set_text (selection_data, text, -1);
6359 ev_view_primary_clear_cb (GtkClipboard *clipboard,
6362 EvView *view = EV_VIEW (data);
6364 clear_selection (view);
6365 clear_link_selected (view);
6369 ev_view_update_primary_selection (EvView *ev_view)
6371 GtkClipboard *clipboard;
6373 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
6374 GDK_SELECTION_PRIMARY);
6376 if (ev_view->selection_info.selections || ev_view->link_selected) {
6377 GtkTargetList *target_list;
6378 GtkTargetEntry *targets;
6381 target_list = gtk_target_list_new (NULL, 0);
6382 gtk_target_list_add_text_targets (target_list, 0);
6383 targets = gtk_target_table_new_from_list (target_list, &n_targets);
6384 gtk_target_list_unref (target_list);
6386 if (!gtk_clipboard_set_with_owner (clipboard,
6388 ev_view_primary_get_cb,
6389 ev_view_primary_clear_cb,
6390 G_OBJECT (ev_view)))
6391 ev_view_primary_clear_cb (clipboard, ev_view);
6393 gtk_target_table_free (targets, n_targets);
6395 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
6396 gtk_clipboard_clear (clipboard);
6401 clear_link_selected (EvView *view)
6403 if (view->link_selected) {
6404 g_object_unref (view->link_selected);
6405 view->link_selected = NULL;
6410 ev_view_copy_link_address (EvView *view,
6411 EvLinkAction *action)
6413 clear_link_selected (view);
6415 ev_view_clipboard_copy (view, ev_link_action_get_uri (action));
6417 view->link_selected = g_object_ref (action);
6418 ev_view_update_primary_selection (view);
6421 /*** Cursor operations ***/
6424 ev_view_create_invisible_cursor(void)
6427 GdkColor black = { 0, 0, 0, 0 };
6428 static char bits[] = { 0x00 };
6430 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
6432 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
6436 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
6438 GdkCursor *cursor = NULL;
6439 GdkDisplay *display;
6442 if (view->cursor == new_cursor) {
6446 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
6447 display = gtk_widget_get_display (widget);
6448 view->cursor = new_cursor;
6450 switch (new_cursor) {
6451 case EV_VIEW_CURSOR_NORMAL:
6452 gdk_window_set_cursor (view->layout.bin_window, NULL);
6454 case EV_VIEW_CURSOR_IBEAM:
6455 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
6457 case EV_VIEW_CURSOR_LINK:
6458 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
6460 case EV_VIEW_CURSOR_WAIT:
6461 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
6463 case EV_VIEW_CURSOR_HIDDEN:
6464 cursor = ev_view_create_invisible_cursor ();
6466 case EV_VIEW_CURSOR_DRAG:
6467 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
6469 case EV_VIEW_CURSOR_AUTOSCROLL:
6470 cursor = gdk_cursor_new_for_display (display, GDK_DOUBLE_ARROW);
6475 gdk_window_set_cursor (view->layout.bin_window, cursor);
6476 gdk_cursor_unref (cursor);
6482 ev_view_hide_cursor (EvView *view)
6484 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
6488 ev_view_show_cursor (EvView *view)
6490 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
6494 ev_view_reset_presentation_state (EvView *view)
6496 if (!view->presentation ||
6497 view->presentation_state == EV_PRESENTATION_NORMAL)
6500 view->presentation_state = EV_PRESENTATION_NORMAL;
6501 gdk_window_set_background (view->layout.bin_window,
6502 >K_WIDGET (view)->style->black);
6503 gtk_widget_queue_draw (GTK_WIDGET (view));
6507 ev_view_next_page (EvView *view)
6511 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
6513 if (!view->document)
6516 if (view->presentation &&
6517 (view->presentation_state == EV_PRESENTATION_BLACK ||
6518 view->presentation_state == EV_PRESENTATION_WHITE)) {
6519 ev_view_reset_presentation_state (view);
6523 if (view->animation) {
6524 ev_view_transition_animation_cancel (view->animation, view);
6527 ev_view_presentation_transition_stop (view);
6528 ev_view_reset_presentation_state (view);
6530 page = ev_document_model_get_page (view->model);
6531 n_pages = ev_document_get_n_pages (view->document);
6533 if (view->dual_page && !view->presentation)
6538 if (page < n_pages) {
6539 ev_document_model_set_page (view->model, page);
6541 } else if (view->presentation && page == n_pages) {
6542 view->presentation_state = EV_PRESENTATION_END;
6543 gtk_widget_queue_draw (GTK_WIDGET (view));
6545 } else if (view->dual_page && page == n_pages) {
6546 ev_document_model_set_page (view->model, page - 1);
6554 ev_view_previous_page (EvView *view)
6558 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
6560 if (!view->document)
6563 if (view->presentation &&
6564 view->presentation_state == EV_PRESENTATION_END) {
6565 ev_view_reset_presentation_state (view);
6569 if (view->presentation &&
6570 (view->presentation_state == EV_PRESENTATION_BLACK ||
6571 view->presentation_state == EV_PRESENTATION_WHITE)) {
6572 ev_view_reset_presentation_state (view);
6576 if (view->animation) {
6577 ev_view_transition_animation_cancel (view->animation, view);
6580 ev_view_reset_presentation_state (view);
6582 page = ev_document_model_get_page (view->model);
6584 if (view->dual_page && !view->presentation)
6590 ev_document_model_set_page (view->model, page);
6592 } else if (ev_view_get_dual_page (view) && page == -1) {
6593 ev_document_model_set_page (view->model, 0);