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)
613 gint best_current_page = -1;
614 gint start = view->start_page;
615 gint end = view->end_page;
617 /* Presentation trumps all other modes */
618 if (view->presentation) {
619 view->start_page = view->current_page;
620 view->end_page = view->current_page;
621 } else if (view->continuous) {
622 GdkRectangle current_area, unused, page_area;
624 gboolean found = FALSE;
625 gint area_max = -1, area;
628 if (!(view->vadjustment && view->hadjustment))
631 current_area.x = view->hadjustment->value;
632 current_area.width = view->hadjustment->upper;
633 current_area.y = view->vadjustment->value;
634 current_area.height = view->vadjustment->page_size;
636 for (i = 0; i < ev_document_get_n_pages (view->document); i++) {
638 get_page_extents (view, i, &page_area, &border);
640 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
641 area = unused.width * unused.height;
645 view->start_page = i;
647 best_current_page = i;
649 if (area > area_max) {
650 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
655 } else if (found && view->current_page <= view->end_page) {
660 } else if (view->dual_page) {
661 if (view->current_page % 2 == get_dual_even_left (view)) {
662 view->start_page = view->current_page;
663 if (view->current_page + 1 < ev_document_get_n_pages (view->document))
664 view->end_page = view->start_page + 1;
666 view->end_page = view->start_page;
668 if (view->current_page < 1)
669 view->start_page = view->current_page;
671 view->start_page = view->current_page - 1;
672 view->end_page = view->current_page;
675 view->start_page = view->current_page;
676 view->end_page = view->current_page;
679 best_current_page = MAX (best_current_page, view->start_page);
680 current_page = ev_document_model_get_page (view->model);
682 if ((current_page != best_current_page) && (view->pending_scroll == SCROLL_TO_KEEP_POSITION)) {
683 view->current_page = best_current_page;
684 ev_document_model_set_page (view->model, best_current_page);
687 if (start != view->start_page || end != view->end_page) {
690 for (i = start; i < view->start_page; i++) {
691 hide_annotation_windows (view, i);
694 for (i = end; i > view->end_page; i--) {
695 hide_annotation_windows (view, i);
699 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
704 view->selection_info.selections);
708 set_scroll_adjustment (EvView *view,
709 GtkOrientation orientation,
710 GtkAdjustment *adjustment)
712 GtkAdjustment **to_set;
714 if (orientation == GTK_ORIENTATION_HORIZONTAL)
715 to_set = &view->hadjustment;
717 to_set = &view->vadjustment;
719 if (*to_set != adjustment) {
721 g_signal_handlers_disconnect_by_func (*to_set,
722 (gpointer) on_adjustment_value_changed,
724 g_object_unref (*to_set);
727 *to_set = adjustment;
728 view_set_adjustment_values (view, orientation);
731 g_object_ref (*to_set);
732 g_signal_connect (*to_set, "value_changed",
733 G_CALLBACK (on_adjustment_value_changed), view);
739 ev_view_set_scroll_adjustments (GtkLayout *layout,
740 GtkAdjustment *hadjustment,
741 GtkAdjustment *vadjustment)
743 EvView *view = EV_VIEW (layout);
745 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
746 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
748 on_adjustment_value_changed (NULL, view);
752 add_scroll_binding_keypad (GtkBindingSet *binding_set,
754 GdkModifierType modifiers,
755 GtkScrollType scroll,
758 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
760 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
761 "binding_activated", 2,
762 GTK_TYPE_SCROLL_TYPE, scroll,
763 G_TYPE_BOOLEAN, horizontal);
764 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
765 "binding_activated", 2,
766 GTK_TYPE_SCROLL_TYPE, scroll,
767 G_TYPE_BOOLEAN, horizontal);
771 ev_view_scroll (EvView *view,
772 GtkScrollType scroll,
775 GtkAdjustment *adjustment;
776 double value, increment;
777 gboolean first_page = FALSE;
778 gboolean last_page = FALSE;
780 view->jump_to_find_result = FALSE;
782 if (view->presentation || view->sizing_mode == EV_SIZING_BEST_FIT) {
784 case GTK_SCROLL_PAGE_BACKWARD:
785 case GTK_SCROLL_STEP_BACKWARD:
786 ev_view_previous_page (view);
788 case GTK_SCROLL_PAGE_FORWARD:
789 case GTK_SCROLL_STEP_FORWARD:
790 ev_view_next_page (view);
798 /* Assign values for increment and vertical adjustment */
799 adjustment = horizontal ? view->hadjustment : view->vadjustment;
800 increment = adjustment->page_size * 0.75;
801 value = adjustment->value;
803 /* Assign boolean for first and last page */
804 if (view->current_page == 0)
806 if (view->current_page == ev_document_get_n_pages (view->document) - 1)
810 case GTK_SCROLL_PAGE_BACKWARD:
811 /* Do not jump backwards if at the first page */
812 if (value == (adjustment->lower) && first_page) {
814 /* At the top of a page, assign the upper bound limit of previous page */
815 } else if (value == (adjustment->lower)) {
816 value = adjustment->upper - adjustment->page_size;
817 ev_view_previous_page (view);
818 /* Jump to the top */
820 value = MAX (value - increment, adjustment->lower);
823 case GTK_SCROLL_PAGE_FORWARD:
824 /* Do not jump forward if at the last page */
825 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
827 /* At the bottom of a page, assign the lower bound limit of next page */
828 } else if (value == (adjustment->upper - adjustment->page_size)) {
830 ev_view_next_page (view);
831 /* Jump to the bottom */
833 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
836 case GTK_SCROLL_STEP_BACKWARD:
837 value -= adjustment->step_increment;
839 case GTK_SCROLL_STEP_FORWARD:
840 value += adjustment->step_increment;
842 case GTK_SCROLL_STEP_DOWN:
843 value -= adjustment->step_increment / 10;
845 case GTK_SCROLL_STEP_UP:
846 value += adjustment->step_increment / 10;
852 value = CLAMP (value, adjustment->lower,
853 adjustment->upper - adjustment->page_size);
855 gtk_adjustment_set_value (adjustment, value);
861 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
863 GtkWidget *widget = GTK_WIDGET (view);
864 GtkAdjustment *adjustment;
867 view->pending_scroll = SCROLL_TO_FIND_LOCATION;
869 adjustment = view->vadjustment;
871 if (rect->y < adjustment->value) {
872 value = MAX (adjustment->lower, rect->y - MARGIN);
873 gtk_adjustment_set_value (view->vadjustment, value);
874 } else if (rect->y + rect->height >
875 adjustment->value + widget->allocation.height) {
876 value = MIN (adjustment->upper, rect->y + rect->height -
877 widget->allocation.height + MARGIN);
878 gtk_adjustment_set_value (view->vadjustment, value);
881 adjustment = view->hadjustment;
883 if (rect->x < adjustment->value) {
884 value = MAX (adjustment->lower, rect->x - MARGIN);
885 gtk_adjustment_set_value (view->hadjustment, value);
886 } else if (rect->x + rect->height >
887 adjustment->value + widget->allocation.width) {
888 value = MIN (adjustment->upper, rect->x + rect->width -
889 widget->allocation.width + MARGIN);
890 gtk_adjustment_set_value (view->hadjustment, value);
893 gtk_widget_queue_resize (GTK_WIDGET (view));
896 /*** Geometry computations ***/
899 compute_border (EvView *view, int width, int height, GtkBorder *border)
901 if (view->presentation) {
907 ev_document_misc_get_page_border_size (width, height, border);
912 _get_page_size_for_scale_and_rotation (EvDocument *document,
922 ev_document_get_page_size (document, page, &w, &h);
924 width = (gint)(w * scale + 0.5);
925 height = (gint)(h * scale + 0.5);
928 *page_width = (rotation == 0 || rotation == 180) ? width : height;
930 *page_height = (rotation == 0 || rotation == 180) ? height : width;
934 ev_view_get_page_size (EvView *view,
939 _get_page_size_for_scale_and_rotation (view->document,
948 ev_view_get_max_page_size (EvView *view,
955 ev_document_get_max_page_size (view->document, &w, &h);
957 width = (gint)(w * view->scale + 0.5);
958 height = (gint)(h * view->scale + 0.5);
961 *max_width = (view->rotation == 0 || view->rotation == 180) ? width : height;
963 *max_height = (view->rotation == 0 || view->rotation == 180) ? height : width;
967 get_page_y_offset (EvView *view, int page, int *y_offset)
969 int max_width, offset;
972 g_return_if_fail (y_offset != NULL);
974 ev_view_get_max_page_size (view, &max_width, NULL);
975 compute_border (view, max_width, max_width, &border);
977 if (view->dual_page) {
978 ev_view_get_height_to_page (view, page, NULL, &offset);
979 offset += ((page + get_dual_even_left (view)) / 2 + 1) * view->spacing +
980 ((page + get_dual_even_left (view)) / 2 ) * (border.top + border.bottom);
982 ev_view_get_height_to_page (view, page, &offset, NULL);
983 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
991 get_page_extents (EvView *view,
993 GdkRectangle *page_area,
999 widget = GTK_WIDGET (view);
1001 /* Get the size of the page */
1002 ev_view_get_page_size (view, page, &width, &height);
1003 compute_border (view, width, height, border);
1004 page_area->width = width + border->left + border->right;
1005 page_area->height = height + border->top + border->bottom;
1007 if (view->presentation) {
1008 page_area->x = (MAX (0, widget->allocation.width - width))/2;
1009 page_area->y = (MAX (0, widget->allocation.height - height))/2;
1010 } else if (view->continuous) {
1014 ev_view_get_max_page_size (view, &max_width, NULL);
1015 max_width = max_width + border->left + border->right;
1016 /* Get the location of the bounding box */
1017 if (view->dual_page) {
1018 x = view->spacing + ((page % 2 == get_dual_even_left (view)) ? 0 : 1) * (max_width + view->spacing);
1019 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
1020 if (page % 2 == get_dual_even_left (view))
1021 x = x + (max_width - width - border->left - border->right);
1024 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
1027 get_page_y_offset (view, page, &y);
1033 if (view->dual_page) {
1034 gint width_2, height_2;
1035 gint max_width = width;
1036 gint max_height = height;
1037 GtkBorder overall_border;
1040 other_page = (page % 2 == get_dual_even_left (view)) ? page + 1: page - 1;
1042 /* First, we get the bounding box of the two pages */
1043 if (other_page < ev_document_get_n_pages (view->document)
1044 && (0 <= other_page)) {
1045 ev_view_get_page_size (view, other_page,
1046 &width_2, &height_2);
1047 if (width_2 > width)
1048 max_width = width_2;
1049 if (height_2 > height)
1050 max_height = height_2;
1052 compute_border (view, max_width, max_height, &overall_border);
1054 /* Find the offsets */
1058 /* Adjust for being the left or right page */
1059 if (page % 2 == get_dual_even_left (view))
1060 x = x + max_width - width;
1062 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
1064 y = y + (max_height - height)/2;
1066 /* Adjust for extra allocation */
1067 x = x + MAX (0, widget->allocation.width -
1068 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
1069 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
1074 /* Adjust for extra allocation */
1075 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
1076 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
1087 get_doc_page_size (EvView *view,
1094 ev_document_get_page_size (view->document, page, &w, &h);
1095 if (view->rotation == 0 || view->rotation == 180) {
1096 if (width) *width = w;
1097 if (height) *height = h;
1099 if (width) *width = h;
1100 if (height) *height = w;
1105 view_point_to_doc_point (EvView *view,
1106 GdkPoint *view_point,
1107 GdkRectangle *page_area,
1108 double *doc_point_x,
1109 double *doc_point_y)
1111 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
1112 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
1116 view_rect_to_doc_rect (EvView *view,
1117 GdkRectangle *view_rect,
1118 GdkRectangle *page_area,
1119 EvRectangle *doc_rect)
1121 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
1122 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
1123 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
1124 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
1128 doc_point_to_view_point (EvView *view,
1131 GdkPoint *view_point)
1133 GdkRectangle page_area;
1135 double x, y, view_x, view_y;
1136 gdouble width, height;
1138 get_doc_page_size (view, page, &width, &height);
1140 if (view->rotation == 0) {
1143 } else if (view->rotation == 90) {
1144 x = width - doc_point->y;
1146 } else if (view->rotation == 180) {
1147 x = width - doc_point->x;
1148 y = height - doc_point->y;
1149 } else if (view->rotation == 270) {
1151 y = height - doc_point->x;
1153 g_assert_not_reached ();
1156 get_page_extents (view, page, &page_area, &border);
1158 view_x = CLAMP (x * view->scale, 0, page_area.width);
1159 view_y = CLAMP (y * view->scale, 0, page_area.height);
1160 view_point->x = view_x + page_area.x;
1161 view_point->y = view_y + page_area.y;
1165 doc_rect_to_view_rect (EvView *view,
1167 EvRectangle *doc_rect,
1168 GdkRectangle *view_rect)
1170 GdkRectangle page_area;
1173 gdouble width, height;
1175 get_doc_page_size (view, page, &width, &height);
1177 if (view->rotation == 0) {
1180 w = doc_rect->x2 - doc_rect->x1;
1181 h = doc_rect->y2 - doc_rect->y1;
1182 } else if (view->rotation == 90) {
1183 x = width - doc_rect->y2;
1185 w = doc_rect->y2 - doc_rect->y1;
1186 h = doc_rect->x2 - doc_rect->x1;
1187 } else if (view->rotation == 180) {
1188 x = width - doc_rect->x2;
1189 y = height - doc_rect->y2;
1190 w = doc_rect->x2 - doc_rect->x1;
1191 h = doc_rect->y2 - doc_rect->y1;
1192 } else if (view->rotation == 270) {
1194 y = height - doc_rect->x2;
1195 w = doc_rect->y2 - doc_rect->y1;
1196 h = doc_rect->x2 - doc_rect->x1;
1198 g_assert_not_reached ();
1201 get_page_extents (view, page, &page_area, &border);
1203 view_rect->x = x * view->scale + page_area.x;
1204 view_rect->y = y * view->scale + page_area.y;
1205 view_rect->width = w * view->scale;
1206 view_rect->height = h * view->scale;
1210 get_dual_even_left (EvView *view)
1212 return (ev_document_get_n_pages (view->document) > 2);
1216 find_page_at_location (EvView *view,
1225 if (view->document == NULL)
1229 g_assert (x_offset);
1230 g_assert (y_offset);
1232 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
1233 GdkRectangle page_area;
1236 if (! get_page_extents (view, i, &page_area, &border))
1239 if ((x >= page_area.x + border.left) &&
1240 (x < page_area.x + page_area.width - border.right) &&
1241 (y >= page_area.y + border.top) &&
1242 (y < page_area.y + page_area.height - border.bottom)) {
1244 *x_offset = x - (page_area.x + border.left);
1245 *y_offset = y - (page_area.y + border.top);
1254 location_in_text (EvView *view,
1260 gint x_offset = 0, y_offset = 0;
1262 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1267 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
1270 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1276 ev_view_get_width (EvView *view)
1278 return GTK_WIDGET (view)->allocation.width;
1282 ev_view_get_height (EvView *view)
1284 return GTK_WIDGET (view)->allocation.height;
1288 location_in_selected_text (EvView *view,
1293 gint x_offset = 0, y_offset = 0;
1294 EvViewSelection *selection;
1297 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1298 selection = (EvViewSelection *)l->data;
1300 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1302 if (page != selection->page)
1305 if (selection->covered_region &&
1306 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1314 get_doc_point_from_offset (EvView *view,
1321 gdouble width, height;
1324 get_doc_page_size (view, page, &width, &height);
1326 x_offset = x_offset / view->scale;
1327 y_offset = y_offset / view->scale;
1329 if (view->rotation == 0) {
1332 } else if (view->rotation == 90) {
1334 y = width - x_offset;
1335 } else if (view->rotation == 180) {
1336 x = width - x_offset;
1337 y = height - y_offset;
1338 } else if (view->rotation == 270) {
1339 x = height - y_offset;
1342 g_assert_not_reached ();
1352 get_doc_point_from_location (EvView *view,
1359 gint x_offset = 0, y_offset = 0;
1361 x += view->scroll_x;
1362 y += view->scroll_y;
1363 find_page_at_location (view, x, y, page, &x_offset, &y_offset);
1367 return get_doc_point_from_offset (view, *page, x_offset, y_offset, x_new, y_new);
1371 ev_view_get_area_from_mapping (EvView *view,
1373 GList *mapping_list,
1379 mapping = ev_mapping_list_find (mapping_list, data);
1380 doc_rect_to_view_rect (view, page, &mapping->area, area);
1381 area->x -= view->scroll_x;
1382 area->y -= view->scroll_y;
1388 ev_view_get_link_at_location (EvView *view,
1393 gint x_new = 0, y_new = 0;
1394 GList *link_mapping;
1396 if (!EV_IS_DOCUMENT_LINKS (view->document))
1399 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1402 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1405 return ev_mapping_list_get_data (link_mapping, x_new, y_new);
1411 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1414 gdouble zoom, left, top;
1415 gboolean change_left, change_top;
1417 left = ev_link_dest_get_left (dest, &change_left);
1418 top = ev_link_dest_get_top (dest, &change_top);
1420 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - left,
1421 ev_link_dest_get_bottom (dest) - top,
1422 ev_view_get_width (view),
1423 ev_view_get_height (view));
1425 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1426 ev_document_model_set_scale (view->model, zoom);
1428 doc_point.x = change_left ? left : 0;
1429 doc_point.y = change_top ? top : 0;
1430 view->pending_point = doc_point;
1432 ev_view_change_page (view, ev_link_dest_get_page (dest), TRUE);
1436 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1439 gdouble doc_width, doc_height;
1442 gboolean change_left;
1444 page = ev_link_dest_get_page (dest);
1445 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1447 left = ev_link_dest_get_left (dest, &change_left);
1448 doc_point.x = change_left ? left : 0;
1451 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1452 ev_view_get_width (view),
1453 ev_view_get_height (view));
1455 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1456 ev_document_model_set_scale (view->model, zoom);
1458 view->pending_point = doc_point;
1460 ev_view_change_page (view, page, TRUE);
1464 goto_fith_dest (EvView *view, EvLinkDest *dest)
1467 gdouble doc_width, doc_height;
1470 gboolean change_top;
1472 page = ev_link_dest_get_page (dest);
1473 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1475 top = ev_link_dest_get_top (dest, &change_top);
1478 doc_point.y = change_top ? top : 0;
1480 zoom = zoom_for_size_fit_width (doc_width, top,
1481 ev_view_get_width (view),
1482 ev_view_get_height (view));
1484 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FIT_WIDTH);
1485 ev_document_model_set_scale (view->model, zoom);
1487 view->pending_point = doc_point;
1489 ev_view_change_page (view, page, TRUE);
1493 goto_fit_dest (EvView *view, EvLinkDest *dest)
1496 gdouble doc_width, doc_height;
1499 page = ev_link_dest_get_page (dest);
1500 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1502 zoom = zoom_for_size_best_fit (doc_width, doc_height,
1503 ev_view_get_width (view),
1504 ev_view_get_height (view));
1506 ev_document_model_set_sizing_mode (view->model, EV_SIZING_BEST_FIT);
1507 ev_document_model_set_scale (view->model, zoom);
1509 ev_view_change_page (view, page, TRUE);
1513 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1517 gdouble zoom, left, top;
1518 gboolean change_zoom, change_left, change_top;
1520 zoom = ev_link_dest_get_zoom (dest, &change_zoom);
1521 page = ev_link_dest_get_page (dest);
1523 if (change_zoom && zoom > 1) {
1524 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1525 ev_document_model_set_scale (view->model, zoom);
1528 left = ev_link_dest_get_left (dest, &change_left);
1529 top = ev_link_dest_get_top (dest, &change_top);
1531 doc_point.x = change_left ? left : 0;
1532 doc_point.y = change_top ? top : 0;
1533 view->pending_point = doc_point;
1535 ev_view_change_page (view, page, TRUE);
1539 goto_dest (EvView *view, EvLinkDest *dest)
1541 EvLinkDestType type;
1542 int page, n_pages, current_page;
1544 page = ev_link_dest_get_page (dest);
1545 n_pages = ev_document_get_n_pages (view->document);
1547 if (page < 0 || page >= n_pages)
1550 current_page = view->current_page;
1552 type = ev_link_dest_get_dest_type (dest);
1555 case EV_LINK_DEST_TYPE_PAGE:
1556 ev_document_model_set_page (view->model, page);
1558 case EV_LINK_DEST_TYPE_FIT:
1559 goto_fit_dest (view, dest);
1561 case EV_LINK_DEST_TYPE_FITH:
1562 goto_fith_dest (view, dest);
1564 case EV_LINK_DEST_TYPE_FITV:
1565 goto_fitv_dest (view, dest);
1567 case EV_LINK_DEST_TYPE_FITR:
1568 goto_fitr_dest (view, dest);
1570 case EV_LINK_DEST_TYPE_XYZ:
1571 goto_xyz_dest (view, dest);
1573 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1574 ev_document_model_set_page_by_label (view->model, ev_link_dest_get_page_label (dest));
1577 g_assert_not_reached ();
1580 if (current_page != view->current_page)
1581 ev_document_model_set_page (view->model, view->current_page);
1585 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1587 EvLinkDestType type;
1589 type = ev_link_dest_get_dest_type (dest);
1591 if (type == EV_LINK_DEST_TYPE_NAMED) {
1593 const gchar *named_dest;
1595 named_dest = ev_link_dest_get_named_dest (dest);
1596 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1599 goto_dest (view, dest2);
1600 g_object_unref (dest2);
1606 goto_dest (view, dest);
1610 ev_view_handle_link (EvView *view, EvLink *link)
1612 EvLinkAction *action = NULL;
1613 EvLinkActionType type;
1615 action = ev_link_get_action (link);
1619 type = ev_link_action_get_action_type (action);
1622 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1625 g_signal_emit (view, signals[SIGNAL_HANDLE_LINK], 0, link);
1627 dest = ev_link_action_get_dest (action);
1628 ev_view_goto_dest (view, dest);
1631 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1632 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1633 case EV_LINK_ACTION_TYPE_LAUNCH:
1634 case EV_LINK_ACTION_TYPE_NAMED:
1635 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1641 ev_view_page_label_from_dest (EvView *view, EvLinkDest *dest)
1643 EvLinkDestType type;
1646 type = ev_link_dest_get_dest_type (dest);
1649 case EV_LINK_DEST_TYPE_NAMED: {
1651 const gchar *named_dest;
1653 named_dest = ev_link_dest_get_named_dest (dest);
1654 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1657 msg = ev_document_get_page_label (view->document,
1658 ev_link_dest_get_page (dest2));
1659 g_object_unref (dest2);
1664 case EV_LINK_DEST_TYPE_PAGE_LABEL: {
1665 msg = g_strdup (ev_link_dest_get_page_label (dest));
1669 msg = ev_document_get_page_label (view->document,
1670 ev_link_dest_get_page (dest));
1677 tip_from_action_named (EvLinkAction *action)
1679 const gchar *name = ev_link_action_get_name (action);
1681 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1682 return g_strdup (_("Go to first page"));
1683 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1684 return g_strdup (_("Go to previous page"));
1685 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1686 return g_strdup (_("Go to next page"));
1687 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1688 return g_strdup (_("Go to last page"));
1689 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1690 return g_strdup (_("Go to page"));
1691 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1692 return g_strdup (_("Find"));
1699 tip_from_link (EvView *view, EvLink *link)
1701 EvLinkAction *action;
1702 EvLinkActionType type;
1707 action = ev_link_get_action (link);
1708 title = ev_link_get_title (link);
1711 return title ? g_strdup (title) : NULL;
1713 type = ev_link_action_get_action_type (action);
1716 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1717 page_label = ev_view_page_label_from_dest (view,
1718 ev_link_action_get_dest (action));
1720 msg = g_strdup_printf (_("Go to page %s"), page_label);
1721 g_free (page_label);
1724 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1726 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1727 ev_link_action_get_filename (action));
1729 msg = g_strdup_printf (_("Go to file “%s”"),
1730 ev_link_action_get_filename (action));
1733 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1734 msg = g_strdup (ev_link_action_get_uri (action));
1736 case EV_LINK_ACTION_TYPE_LAUNCH:
1737 msg = g_strdup_printf (_("Launch %s"),
1738 ev_link_action_get_filename (action));
1740 case EV_LINK_ACTION_TYPE_NAMED:
1741 msg = tip_from_action_named (action);
1745 msg = g_strdup (title);
1753 ev_view_handle_cursor_over_xy (EvView *view, gint x, gint y)
1757 EvAnnotation *annot = NULL;
1759 if (view->cursor == EV_VIEW_CURSOR_HIDDEN)
1762 if (view->drag_info.in_drag) {
1763 if (view->cursor != EV_VIEW_CURSOR_DRAG)
1764 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1768 if (view->scroll_info.autoscrolling) {
1769 if (view->cursor != EV_VIEW_CURSOR_AUTOSCROLL)
1770 ev_view_set_cursor (view, EV_VIEW_CURSOR_AUTOSCROLL);
1774 link = ev_view_get_link_at_location (view, x, y);
1776 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1777 } else if ((field = ev_view_get_form_field_at_location (view, x, y))) {
1778 if (field->is_read_only) {
1779 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1780 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1781 view->cursor == EV_VIEW_CURSOR_DRAG)
1782 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1783 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
1784 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1786 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1788 } else if ((annot = ev_view_get_annotation_at_location (view, x, y))) {
1789 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1790 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1791 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1793 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1794 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1795 view->cursor == EV_VIEW_CURSOR_DRAG ||
1796 view->cursor == EV_VIEW_CURSOR_AUTOSCROLL)
1797 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1801 g_object_set (view, "has-tooltip", TRUE, NULL);
1806 ev_view_get_image_at_location (EvView *view,
1811 gint x_new = 0, y_new = 0;
1812 GList *image_mapping;
1814 if (!EV_IS_DOCUMENT_IMAGES (view->document))
1817 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1820 image_mapping = ev_pixbuf_cache_get_image_mapping (view->pixbuf_cache, page);
1823 return ev_mapping_list_get_data (image_mapping, x_new, y_new);
1829 static EvFormField *
1830 ev_view_get_form_field_at_location (EvView *view,
1835 gint x_new = 0, y_new = 0;
1836 GList *forms_mapping;
1838 if (!EV_IS_DOCUMENT_FORMS (view->document))
1841 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1844 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, page);
1847 return ev_mapping_list_get_data (forms_mapping, x_new, y_new);
1853 ev_view_form_field_get_region (EvView *view,
1856 GdkRectangle view_area;
1857 GList *forms_mapping;
1859 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
1860 field->page->index);
1861 ev_view_get_area_from_mapping (view, field->page->index,
1865 return gdk_region_rectangle (&view_area);
1869 ev_view_forms_remove_widgets (EvView *view)
1871 ev_view_remove_all (view);
1877 ev_view_form_field_destroy (GtkWidget *widget,
1880 g_idle_add ((GSourceFunc)ev_view_forms_remove_widgets, view);
1884 ev_view_form_field_button_create_widget (EvView *view,
1887 EvFormFieldButton *field_button = EV_FORM_FIELD_BUTTON (field);
1888 GdkRegion *field_region = NULL;
1890 switch (field_button->type) {
1891 case EV_FORM_FIELD_BUTTON_PUSH:
1893 case EV_FORM_FIELD_BUTTON_CHECK:
1894 case EV_FORM_FIELD_BUTTON_RADIO: {
1896 GList *forms_mapping, *l;
1898 state = ev_document_forms_form_field_button_get_state (EV_DOCUMENT_FORMS (view->document),
1901 /* FIXME: it actually depends on NoToggleToOff flags */
1902 if (field_button->type == EV_FORM_FIELD_BUTTON_RADIO &&
1903 state && field_button->state)
1906 field_region = ev_view_form_field_get_region (view, field);
1908 /* For radio buttons and checkbox buttons that are in a set
1909 * we need to update also the region for the current selected item
1911 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
1912 field->page->index);
1913 for (l = forms_mapping; l; l = g_list_next (l)) {
1914 EvFormField *button = ((EvMapping *)(l->data))->data;
1915 GdkRegion *button_region;
1917 if (button->id == field->id)
1920 /* FIXME: only buttons in the same group should be updated */
1921 if (!EV_IS_FORM_FIELD_BUTTON (button) ||
1922 EV_FORM_FIELD_BUTTON (button)->type != field_button->type ||
1923 EV_FORM_FIELD_BUTTON (button)->state != TRUE)
1926 button_region = ev_view_form_field_get_region (view, button);
1927 gdk_region_union (field_region, button_region);
1928 gdk_region_destroy (button_region);
1931 ev_document_forms_form_field_button_set_state (EV_DOCUMENT_FORMS (view->document),
1933 field_button->state = !state;
1938 ev_view_reload_page (view, field->page->index, field_region);
1939 gdk_region_destroy (field_region);
1945 ev_view_form_field_text_save (EvView *view,
1950 if (!view->document)
1953 field = g_object_get_data (G_OBJECT (widget), "form-field");
1955 if (field->changed) {
1956 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1957 GdkRegion *field_region;
1959 field_region = ev_view_form_field_get_region (view, field);
1961 ev_document_forms_form_field_text_set_text (EV_DOCUMENT_FORMS (view->document),
1962 field, field_text->text);
1963 field->changed = FALSE;
1964 ev_view_reload_page (view, field->page->index, field_region);
1965 gdk_region_destroy (field_region);
1970 ev_view_form_field_text_changed (GtkWidget *widget,
1973 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1976 if (GTK_IS_ENTRY (widget)) {
1977 text = g_strdup (gtk_entry_get_text (GTK_ENTRY (widget)));
1978 } else if (GTK_IS_TEXT_BUFFER (widget)) {
1979 GtkTextIter start, end;
1981 gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (widget), &start, &end);
1982 text = gtk_text_buffer_get_text (GTK_TEXT_BUFFER (widget),
1983 &start, &end, FALSE);
1986 if (!field_text->text ||
1987 (field_text->text && g_ascii_strcasecmp (field_text->text, text) != 0)) {
1988 g_free (field_text->text);
1989 field_text->text = text;
1990 field->changed = TRUE;
1995 ev_view_form_field_text_create_widget (EvView *view,
1998 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1999 GtkWidget *text = NULL;
2002 txt = ev_document_forms_form_field_text_get_text (EV_DOCUMENT_FORMS (view->document),
2005 switch (field_text->type) {
2006 case EV_FORM_FIELD_TEXT_FILE_SELECT:
2008 case EV_FORM_FIELD_TEXT_NORMAL:
2009 text = gtk_entry_new ();
2010 gtk_entry_set_has_frame (GTK_ENTRY (text), FALSE);
2011 gtk_entry_set_max_length (GTK_ENTRY (text), field_text->max_len);
2012 gtk_entry_set_visibility (GTK_ENTRY (text), !field_text->is_password);
2015 gtk_entry_set_text (GTK_ENTRY (text), txt);
2019 g_signal_connect (text, "changed",
2020 G_CALLBACK (ev_view_form_field_text_changed),
2022 g_signal_connect_after (text, "activate",
2023 G_CALLBACK (ev_view_form_field_destroy),
2026 case EV_FORM_FIELD_TEXT_MULTILINE: {
2027 GtkTextBuffer *buffer;
2029 text = gtk_text_view_new ();
2030 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text));
2033 gtk_text_buffer_set_text (buffer, txt, -1);
2037 g_signal_connect (buffer, "changed",
2038 G_CALLBACK (ev_view_form_field_text_changed),
2044 g_object_weak_ref (G_OBJECT (text),
2045 (GWeakNotify)ev_view_form_field_text_save,
2052 ev_view_form_field_choice_save (EvView *view,
2057 if (!view->document)
2060 field = g_object_get_data (G_OBJECT (widget), "form-field");
2062 if (field->changed) {
2064 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2065 GdkRegion *field_region;
2067 field_region = ev_view_form_field_get_region (view, field);
2069 if (field_choice->is_editable) {
2070 ev_document_forms_form_field_choice_set_text (EV_DOCUMENT_FORMS (view->document),
2071 field, field_choice->text);
2073 ev_document_forms_form_field_choice_unselect_all (EV_DOCUMENT_FORMS (view->document), field);
2074 for (l = field_choice->selected_items; l; l = g_list_next (l)) {
2075 ev_document_forms_form_field_choice_select_item (EV_DOCUMENT_FORMS (view->document),
2077 GPOINTER_TO_INT (l->data));
2080 field->changed = FALSE;
2081 ev_view_reload_page (view, field->page->index, field_region);
2082 gdk_region_destroy (field_region);
2087 ev_view_form_field_choice_changed (GtkWidget *widget,
2090 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2092 if (GTK_IS_COMBO_BOX (widget)) {
2095 item = gtk_combo_box_get_active (GTK_COMBO_BOX (widget));
2096 if (!field_choice->selected_items ||
2097 GPOINTER_TO_INT (field_choice->selected_items->data) != item) {
2098 g_list_free (field_choice->selected_items);
2099 field_choice->selected_items = NULL;
2100 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2101 GINT_TO_POINTER (item));
2102 field->changed = TRUE;
2105 if (GTK_IS_COMBO_BOX_ENTRY (widget)) {
2108 text = gtk_combo_box_get_active_text (GTK_COMBO_BOX (widget));
2109 if (!field_choice->text ||
2110 (field_choice->text && g_ascii_strcasecmp (field_choice->text, text) != 0)) {
2111 g_free (field_choice->text);
2112 field_choice->text = text;
2113 field->changed = TRUE;
2116 } else if (GTK_IS_TREE_SELECTION (widget)) {
2117 GtkTreeSelection *selection = GTK_TREE_SELECTION (widget);
2118 GtkTreeModel *model;
2121 items = gtk_tree_selection_get_selected_rows (selection, &model);
2122 g_list_free (field_choice->selected_items);
2123 field_choice->selected_items = NULL;
2125 for (l = items; l && l->data; l = g_list_next (l)) {
2127 GtkTreePath *path = (GtkTreePath *)l->data;
2130 gtk_tree_model_get_iter (model, &iter, path);
2131 gtk_tree_model_get (model, &iter, 1, &item, -1);
2133 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2134 GINT_TO_POINTER (item));
2136 gtk_tree_path_free (path);
2139 g_list_free (items);
2141 field->changed = TRUE;
2146 ev_view_form_field_choice_create_widget (EvView *view,
2149 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2151 GtkTreeModel *model;
2153 gint selected_item = 0;
2155 n_items = ev_document_forms_form_field_choice_get_n_items (EV_DOCUMENT_FORMS (view->document),
2157 model = GTK_TREE_MODEL (gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT));
2158 for (i = 0; i < n_items; i++) {
2162 item = ev_document_forms_form_field_choice_get_item (EV_DOCUMENT_FORMS (view->document),
2164 if (ev_document_forms_form_field_choice_is_item_selected (
2165 EV_DOCUMENT_FORMS (view->document), field, i)) {
2167 /* FIXME: we need a get_selected_items function in poppler */
2168 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2169 GINT_TO_POINTER (i));
2173 gtk_list_store_append (GTK_LIST_STORE (model), &iter);
2174 gtk_list_store_set (GTK_LIST_STORE (model), &iter,
2182 if (field_choice->type == EV_FORM_FIELD_CHOICE_LIST) {
2183 GtkCellRenderer *renderer;
2184 GtkWidget *tree_view;
2185 GtkTreeSelection *selection;
2187 tree_view = gtk_tree_view_new_with_model (model);
2188 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);
2190 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
2191 if (field_choice->multi_select) {
2192 gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
2195 /* TODO: set selected items */
2197 renderer = gtk_cell_renderer_text_new ();
2198 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
2204 choice = gtk_scrolled_window_new (NULL, NULL);
2205 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (choice),
2206 GTK_POLICY_AUTOMATIC,
2207 GTK_POLICY_AUTOMATIC);
2208 gtk_container_add (GTK_CONTAINER (choice), tree_view);
2209 gtk_widget_show (tree_view);
2211 g_signal_connect (selection, "changed",
2212 G_CALLBACK (ev_view_form_field_choice_changed),
2214 g_signal_connect_after (selection, "changed",
2215 G_CALLBACK (ev_view_form_field_destroy),
2217 } else if (field_choice->is_editable) { /* ComboBoxEntry */
2220 choice = gtk_combo_box_entry_new_with_model (model, 0);
2221 text = ev_document_forms_form_field_choice_get_text (EV_DOCUMENT_FORMS (view->document), field);
2223 gtk_entry_set_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (choice))), text);
2227 g_signal_connect (choice, "changed",
2228 G_CALLBACK (ev_view_form_field_choice_changed),
2230 g_signal_connect_after (GTK_BIN(choice)->child, "activate",
2231 G_CALLBACK (ev_view_form_field_destroy),
2233 } else { /* ComboBoxText */
2234 GtkCellRenderer *renderer;
2236 choice = gtk_combo_box_new_with_model (model);
2237 renderer = gtk_cell_renderer_text_new ();
2238 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (choice),
2240 gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (choice),
2244 gtk_combo_box_set_active (GTK_COMBO_BOX (choice), selected_item);
2245 gtk_combo_box_popup (GTK_COMBO_BOX (choice));
2247 g_signal_connect (choice, "changed",
2248 G_CALLBACK (ev_view_form_field_choice_changed),
2250 g_signal_connect_after (choice, "changed",
2251 G_CALLBACK (ev_view_form_field_destroy),
2255 g_object_unref (model);
2257 g_object_weak_ref (G_OBJECT (choice),
2258 (GWeakNotify)ev_view_form_field_choice_save,
2265 ev_view_handle_form_field (EvView *view,
2270 GtkWidget *field_widget = NULL;
2271 GList *form_field_mapping;
2272 GdkRectangle view_area;
2274 if (field->is_read_only)
2277 if (EV_IS_FORM_FIELD_BUTTON (field)) {
2278 field_widget = ev_view_form_field_button_create_widget (view, field);
2279 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
2280 field_widget = ev_view_form_field_text_create_widget (view, field);
2281 } else if (EV_IS_FORM_FIELD_CHOICE (field)) {
2282 field_widget = ev_view_form_field_choice_create_widget (view, field);
2283 } else if (EV_IS_FORM_FIELD_SIGNATURE (field)) {
2287 /* Form field doesn't require a widget */
2291 g_object_set_data_full (G_OBJECT (field_widget), "form-field",
2292 g_object_ref (field),
2293 (GDestroyNotify)g_object_unref);
2295 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, field->page->index);
2296 ev_view_get_area_from_mapping (view, field->page->index,
2300 gtk_layout_put (GTK_LAYOUT (view), field_widget, view_area.x, view_area.y);
2301 gtk_widget_show (field_widget);
2302 gtk_widget_grab_focus (field_widget);
2306 static EvViewWindowChild *
2307 ev_view_get_window_child (EvView *view,
2310 GList *children = view->window_children;
2313 EvViewWindowChild *child;
2315 child = (EvViewWindowChild *)children->data;
2316 children = children->next;
2318 if (child->window == window)
2326 ev_view_window_child_move (EvView *view,
2327 EvViewWindowChild *child,
2333 gtk_window_move (GTK_WINDOW (child->window),
2334 MAX (child->parent_x, x),
2335 MAX (child->parent_y, y));
2339 ev_view_window_child_move_with_parent (EvView *view,
2342 EvViewWindowChild *child;
2343 gint root_x, root_y;
2345 child = ev_view_get_window_child (view, window);
2346 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2348 if (root_x != child->parent_x || root_y != child->parent_y) {
2349 gint dest_x, dest_y;
2351 dest_x = child->x + (root_x - child->parent_x);
2352 dest_y = child->y + (root_y - child->parent_y);
2353 child->parent_x = root_x;
2354 child->parent_y = root_y;
2355 ev_view_window_child_move (view, child, dest_x, dest_y);
2358 if (child->visible && !GTK_WIDGET_VISIBLE (window))
2359 gtk_widget_show (window);
2363 ev_view_window_child_put (EvView *view,
2371 EvViewWindowChild *child;
2372 gint root_x, root_y;
2374 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2377 child = g_new0 (EvViewWindowChild, 1);
2378 child->window = window;
2380 child->orig_x = orig_x;
2381 child->orig_y = orig_y;
2382 child->parent_x = root_x;
2383 child->parent_y = root_y;
2384 child->visible = ev_annotation_window_is_open (EV_ANNOTATION_WINDOW (window));
2385 ev_view_window_child_move (view, child, x + root_x, y + root_y);
2388 gtk_widget_show (window);
2390 gtk_widget_hide (window);
2392 view->window_children = g_list_append (view->window_children, child);
2395 static EvViewWindowChild *
2396 ev_view_find_window_child_for_annot (EvView *view,
2398 EvAnnotation *annot)
2400 GList *children = view->window_children;
2403 EvViewWindowChild *child;
2404 EvAnnotation *wannot;
2406 child = (EvViewWindowChild *)children->data;
2407 children = children->next;
2409 if (child->page != page)
2412 wannot = ev_annotation_window_get_annotation (EV_ANNOTATION_WINDOW (child->window));
2413 if (wannot == annot || strcmp (wannot->name, annot->name) == 0)
2421 ev_view_window_children_free (EvView *view)
2425 if (!view->window_children)
2428 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
2429 EvViewWindowChild *child;
2431 child = (EvViewWindowChild *)l->data;
2432 gtk_widget_destroy (GTK_WIDGET (child->window));
2435 g_list_free (view->window_children);
2436 view->window_children = NULL;
2437 view->window_child_focus = NULL;
2441 annotation_window_grab_focus (GtkWidget *widget,
2444 if (view->window_child_focus)
2445 ev_annotation_window_ungrab_focus (EV_ANNOTATION_WINDOW (view->window_child_focus->window));
2446 view->window_child_focus = ev_view_get_window_child (view, widget);
2450 annotation_window_closed (EvAnnotationWindow *window,
2453 EvViewWindowChild *child;
2455 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2456 child->visible = FALSE;
2460 annotation_window_moved (EvAnnotationWindow *window,
2465 EvViewWindowChild *child;
2466 GdkRectangle page_area;
2468 GdkRectangle view_rect;
2469 EvRectangle doc_rect;
2472 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2473 if (child->x == x && child->y == y)
2476 child->moved = TRUE;
2480 /* Window has been moved by the user,
2481 * we have to set a new origin in doc coords
2483 gtk_window_get_size (GTK_WINDOW (window), &width, &height);
2484 view_rect.x = (x - child->parent_x) + view->scroll_x;
2485 view_rect.y = (y - child->parent_y) + view->scroll_y;
2486 view_rect.width = width;
2487 view_rect.height = height;
2489 get_page_extents (view, child->page, &page_area, &border);
2490 view_rect_to_doc_rect (view, &view_rect, &page_area, &doc_rect);
2491 child->orig_x = doc_rect.x1;
2492 child->orig_y = doc_rect.y1;
2496 ev_view_annotation_save (EvView *view,
2497 EvAnnotation *annot)
2499 if (!view->document)
2502 if (!annot->changed)
2505 ev_document_annotations_annotation_set_contents (EV_DOCUMENT_ANNOTATIONS (view->document),
2506 annot, annot->contents);
2507 annot->changed = FALSE;
2511 show_annotation_windows (EvView *view,
2517 parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
2519 annots = ev_pixbuf_cache_get_annots_mapping (view->pixbuf_cache, page);
2521 for (l = annots; l && l->data; l = g_list_next (l)) {
2522 EvAnnotation *annot;
2523 EvViewWindowChild *child;
2525 EvRectangle *doc_rect;
2526 GdkRectangle view_rect;
2528 annot = ((EvMapping *)(l->data))->data;
2530 if (!EV_IS_ANNOTATION_MARKUP (annot))
2533 if (!ev_annotation_markup_has_popup (EV_ANNOTATION_MARKUP (annot)))
2536 window = g_object_get_data (G_OBJECT (annot), "popup");
2538 ev_view_window_child_move_with_parent (view, window);
2542 /* Look if we already have a popup for this annot */
2543 child = ev_view_find_window_child_for_annot (view, page, annot);
2544 window = child ? child->window : NULL;
2546 ev_annotation_window_set_annotation (EV_ANNOTATION_WINDOW (window), annot);
2547 g_object_set_data (G_OBJECT (annot), "popup", window);
2548 ev_view_window_child_move_with_parent (view, window);
2550 window = ev_annotation_window_new (annot, parent);
2551 g_signal_connect (window, "grab_focus",
2552 G_CALLBACK (annotation_window_grab_focus),
2554 g_signal_connect (window, "closed",
2555 G_CALLBACK (annotation_window_closed),
2557 g_signal_connect (window, "moved",
2558 G_CALLBACK (annotation_window_moved),
2560 g_object_set_data (G_OBJECT (annot), "popup", window);
2562 doc_rect = (EvRectangle *)ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (window));
2563 doc_rect_to_view_rect (view, page, doc_rect, &view_rect);
2564 view_rect.x -= view->scroll_x;
2565 view_rect.y -= view->scroll_y;
2567 ev_view_window_child_put (view, window, page,
2568 view_rect.x, view_rect.y,
2569 doc_rect->x1, doc_rect->y1);
2571 g_object_weak_ref (G_OBJECT (annot),
2572 (GWeakNotify)ev_view_annotation_save,
2579 hide_annotation_windows (EvView *view,
2584 annots = ev_pixbuf_cache_get_annots_mapping (view->pixbuf_cache, page);
2586 for (l = annots; l && l->data; l = g_list_next (l)) {
2587 EvAnnotation *annot;
2590 annot = ((EvMapping *)(l->data))->data;
2592 if (!EV_IS_ANNOTATION_MARKUP (annot))
2595 window = g_object_get_data (G_OBJECT (annot), "popup");
2597 gtk_widget_hide (window);
2601 static EvAnnotation *
2602 ev_view_get_annotation_at_location (EvView *view,
2607 gint x_new = 0, y_new = 0;
2608 GList *annotations_mapping;
2610 if (!EV_IS_DOCUMENT_ANNOTATIONS (view->document))
2613 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
2616 annotations_mapping = ev_pixbuf_cache_get_annots_mapping (view->pixbuf_cache, page);
2618 if (annotations_mapping)
2619 return ev_mapping_list_get_data (annotations_mapping, x_new, y_new);
2625 ev_view_handle_annotation (EvView *view,
2626 EvAnnotation *annot,
2630 if (EV_IS_ANNOTATION_MARKUP (annot)) {
2633 window = g_object_get_data (G_OBJECT (annot), "popup");
2635 EvViewWindowChild *child;
2637 child = ev_view_get_window_child (view, window);
2638 if (!child->visible) {
2639 child->visible = TRUE;
2640 ev_view_window_child_move (view, child, child->x, child->y);
2641 gtk_widget_show (window);
2647 /*** GtkWidget implementation ***/
2650 ev_view_size_request_continuous_dual_page (EvView *view,
2651 GtkRequisition *requisition)
2657 ev_view_get_max_page_size (view, &max_width, NULL);
2658 compute_border (view, max_width, max_width, &border);
2660 n_pages = ev_document_get_n_pages (view->document) + 1;
2662 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
2663 get_page_y_offset (view, n_pages, &requisition->height);
2665 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2666 requisition->width = 1;
2667 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2668 requisition->width = 1;
2669 /* FIXME: This could actually be set on one page docs or docs
2670 * with a strange aspect ratio. */
2671 /* requisition->height = 1;*/
2676 ev_view_size_request_continuous (EvView *view,
2677 GtkRequisition *requisition)
2683 ev_view_get_max_page_size (view, &max_width, NULL);
2684 n_pages = ev_document_get_n_pages (view->document);
2685 compute_border (view, max_width, max_width, &border);
2687 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
2688 get_page_y_offset (view, n_pages, &requisition->height);
2690 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2691 requisition->width = 1;
2692 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2693 requisition->width = 1;
2694 /* FIXME: This could actually be set on one page docs or docs
2695 * with a strange aspect ratio. */
2696 /* requisition->height = 1;*/
2701 ev_view_size_request_dual_page (EvView *view,
2702 GtkRequisition *requisition)
2707 /* Find the largest of the two. */
2708 ev_view_get_page_size (view,
2711 if (view->current_page + 1 < ev_document_get_n_pages (view->document)) {
2712 gint width_2, height_2;
2713 ev_view_get_page_size (view,
2714 view->current_page + 1,
2715 &width_2, &height_2);
2716 if (width_2 > width) {
2721 compute_border (view, width, height, &border);
2723 requisition->width = ((width + border.left + border.right) * 2) +
2724 (view->spacing * 3);
2725 requisition->height = (height + border.top + border.bottom) +
2726 (view->spacing * 2);
2728 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2729 requisition->width = 1;
2730 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2731 requisition->width = 1;
2732 requisition->height = 1;
2737 ev_view_size_request_single_page (EvView *view,
2738 GtkRequisition *requisition)
2743 ev_view_get_page_size (view, view->current_page, &width, &height);
2744 compute_border (view, width, height, &border);
2746 requisition->width = width + border.left + border.right + (2 * view->spacing);
2747 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2749 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2750 requisition->width = 1;
2751 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2752 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2753 requisition->width = 1;
2754 requisition->height = 1;
2759 ev_view_size_request (GtkWidget *widget,
2760 GtkRequisition *requisition)
2762 EvView *view = EV_VIEW (widget);
2764 if (view->document == NULL) {
2765 requisition->width = 1;
2766 requisition->height = 1;
2770 if (view->presentation) {
2771 requisition->width = 1;
2772 requisition->height = 1;
2776 if (view->continuous && view->dual_page)
2777 ev_view_size_request_continuous_dual_page (view, requisition);
2778 else if (view->continuous)
2779 ev_view_size_request_continuous (view, requisition);
2780 else if (view->dual_page)
2781 ev_view_size_request_dual_page (view, requisition);
2783 ev_view_size_request_single_page (view, requisition);
2787 ev_view_size_allocate (GtkWidget *widget,
2788 GtkAllocation *allocation)
2790 EvView *view = EV_VIEW (widget);
2791 GList *children, *l;
2792 gint root_x, root_y;
2794 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
2796 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2797 view->sizing_mode == EV_SIZING_BEST_FIT) {
2798 ev_view_zoom_for_size (view,
2800 allocation->height);
2801 ev_view_size_request (widget, &widget->requisition);
2804 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
2805 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
2808 view_update_range_and_current_page (view);
2810 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2811 view->pending_resize = FALSE;
2812 view->pending_point.x = 0;
2813 view->pending_point.y = 0;
2815 children = gtk_container_get_children (GTK_CONTAINER (widget));
2816 for (l = children; l && l->data; l = g_list_next (l)) {
2818 GdkRectangle view_area;
2819 GList *form_field_mapping;
2820 GtkAllocation child_allocation;
2821 GtkRequisition child_requisition;
2822 GtkWidget *child = (GtkWidget *)l->data;
2824 field = g_object_get_data (G_OBJECT (child), "form-field");
2828 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
2829 field->page->index);
2830 ev_view_get_area_from_mapping (view, field->page->index,
2834 gtk_widget_size_request (child, &child_requisition);
2835 if (child_requisition.width != view_area.width ||
2836 child_requisition.height != view_area.height)
2837 gtk_widget_set_size_request (child, view_area.width, view_area.height);
2839 gtk_container_child_get (GTK_CONTAINER (widget),
2841 "x", &child_allocation.x,
2842 "y", &child_allocation.y,
2844 if (child_allocation.x != view_area.x ||
2845 child_allocation.y != view_area.y) {
2846 gtk_layout_move (GTK_LAYOUT (widget), child, view_area.x, view_area.y);
2849 g_list_free (children);
2851 if (view->window_children)
2852 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2855 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
2856 EvViewWindowChild *child;
2857 EvRectangle doc_rect;
2858 GdkRectangle view_rect;
2860 child = (EvViewWindowChild *)l->data;
2862 doc_rect = *ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (child->window));
2864 doc_rect.x1 = child->orig_x;
2865 doc_rect.y1 = child->orig_y;
2867 doc_rect_to_view_rect (view, child->page, &doc_rect, &view_rect);
2868 view_rect.x -= view->scroll_x;
2869 view_rect.y -= view->scroll_y;
2871 if (view_rect.x != child->orig_x || view_rect.y != child->orig_y) {
2872 child->parent_x = root_x;
2873 child->parent_y = root_y;
2874 ev_view_window_child_move (view, child, view_rect.x + root_x, view_rect.y + root_y);
2880 ev_view_realize (GtkWidget *widget)
2882 EvView *view = EV_VIEW (widget);
2884 if (GTK_WIDGET_CLASS (ev_view_parent_class)->realize)
2885 (* GTK_WIDGET_CLASS (ev_view_parent_class)->realize) (widget);
2887 gdk_window_set_events (view->layout.bin_window,
2888 (gdk_window_get_events (view->layout.bin_window) |
2890 GDK_BUTTON_PRESS_MASK |
2891 GDK_BUTTON_RELEASE_MASK |
2893 GDK_KEY_PRESS_MASK |
2894 GDK_POINTER_MOTION_MASK |
2895 GDK_POINTER_MOTION_HINT_MASK |
2896 GDK_ENTER_NOTIFY_MASK |
2897 GDK_LEAVE_NOTIFY_MASK));
2899 if (view->presentation)
2900 gdk_window_set_background (view->layout.bin_window, &widget->style->black);
2902 gdk_window_set_background (view->layout.bin_window, &widget->style->mid [GTK_STATE_NORMAL]);
2904 on_adjustment_value_changed (NULL, view);
2908 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
2910 EvView *view = EV_VIEW (widget);
2913 state = event->state & gtk_accelerator_get_default_mod_mask ();
2915 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
2916 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
2918 if (event->direction == GDK_SCROLL_UP ||
2919 event->direction == GDK_SCROLL_LEFT) {
2920 if (ev_view_can_zoom_in (view)) {
2921 ev_view_zoom_in (view);
2924 if (ev_view_can_zoom_out (view)) {
2925 ev_view_zoom_out (view);
2932 view->jump_to_find_result = FALSE;
2934 /* Shift+Wheel scrolls the in the perpendicular direction */
2935 if (state & GDK_SHIFT_MASK) {
2936 if (event->direction == GDK_SCROLL_UP)
2937 event->direction = GDK_SCROLL_LEFT;
2938 else if (event->direction == GDK_SCROLL_LEFT)
2939 event->direction = GDK_SCROLL_UP;
2940 else if (event->direction == GDK_SCROLL_DOWN)
2941 event->direction = GDK_SCROLL_RIGHT;
2942 else if (event->direction == GDK_SCROLL_RIGHT)
2943 event->direction = GDK_SCROLL_DOWN;
2945 event->state &= ~GDK_SHIFT_MASK;
2946 state &= ~GDK_SHIFT_MASK;
2950 (view->presentation ||
2951 (view->sizing_mode == EV_SIZING_BEST_FIT && !view->continuous))) {
2952 switch (event->direction) {
2953 case GDK_SCROLL_DOWN:
2954 case GDK_SCROLL_RIGHT:
2955 ev_view_next_page (view);
2958 case GDK_SCROLL_LEFT:
2959 ev_view_previous_page (view);
2969 static EvViewSelection *
2970 find_selection_for_page (EvView *view,
2975 for (list = view->selection_info.selections; list != NULL; list = list->next) {
2976 EvViewSelection *selection;
2978 selection = (EvViewSelection *) list->data;
2980 if (selection->page == page)
2988 draw_end_presentation_page (EvView *view,
2989 GdkRectangle *page_area)
2991 PangoLayout *layout;
2992 PangoFontDescription *font_desc;
2994 const gchar *text = _("End of presentation. Press Escape to exit.");
2996 if (view->presentation_state != EV_PRESENTATION_END)
2999 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), NULL);
3000 markup = g_strdup_printf ("<span foreground=\"white\">%s</span>", text);
3001 pango_layout_set_markup (layout, markup, -1);
3004 font_desc = pango_font_description_new ();
3005 pango_font_description_set_size (font_desc, 16 * PANGO_SCALE);
3006 pango_layout_set_font_description (layout, font_desc);
3008 gtk_paint_layout (GTK_WIDGET (view)->style,
3009 view->layout.bin_window,
3010 GTK_WIDGET_STATE (view),
3019 pango_font_description_free (font_desc);
3020 g_object_unref (layout);
3024 ev_view_expose_event (GtkWidget *widget,
3025 GdkEventExpose *event)
3027 EvView *view = EV_VIEW (widget);
3031 if (view->animation) {
3032 if (ev_transition_animation_ready (view->animation)) {
3033 GdkRectangle page_area;
3036 if (get_page_extents (view, view->current_page, &page_area, &border)) {
3037 cr = gdk_cairo_create (view->layout.bin_window);
3039 /* normalize to x=0, y=0 */
3040 cairo_translate (cr, page_area.x, page_area.y);
3041 page_area.x = page_area.y = 0;
3043 ev_transition_animation_paint (view->animation, cr, page_area);
3051 if (view->presentation) {
3052 switch (view->presentation_state) {
3053 case EV_PRESENTATION_END: {
3054 GdkRectangle area = {0};
3056 area.width = widget->allocation.width;
3057 area.height = widget->allocation.height;
3059 draw_end_presentation_page (view, &area);
3062 case EV_PRESENTATION_BLACK:
3063 case EV_PRESENTATION_WHITE:
3065 case EV_PRESENTATION_NORMAL:
3069 } else if (view->loading) {
3070 GdkRectangle area = {0};
3072 area.width = widget->allocation.width;
3073 area.height = widget->allocation.height;
3075 draw_loading_text (view,
3080 if (view->document == NULL)
3083 cr = gdk_cairo_create (view->layout.bin_window);
3085 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
3086 GdkRectangle page_area;
3088 gboolean page_ready = TRUE;
3090 if (!get_page_extents (view, i, &page_area, &border))
3093 page_area.x -= view->scroll_x;
3094 page_area.y -= view->scroll_y;
3096 draw_one_page (view, i, cr, &page_area, &border, &(event->area), &page_ready);
3098 if (page_ready && view->find_pages && view->highlight_find_results)
3099 highlight_find_results (view, i);
3100 if (page_ready && EV_IS_DOCUMENT_ANNOTATIONS (view->document))
3101 show_annotation_windows (view, i);
3106 if (GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event)
3107 (* GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) (widget, event);
3113 ev_view_do_popup_menu (EvView *view,
3120 image = ev_view_get_image_at_location (view, x, y);
3122 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, image);
3126 link = ev_view_get_link_at_location (view, x, y);
3128 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
3132 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, NULL);
3138 ev_view_popup_menu (GtkWidget *widget)
3142 gtk_widget_get_pointer (widget, &x, &y);
3143 return ev_view_do_popup_menu (EV_VIEW (widget), x, y);
3147 get_link_area (EvView *view,
3153 GList *link_mapping;
3155 gint x_offset = 0, y_offset = 0;
3157 x += view->scroll_x;
3158 y += view->scroll_y;
3160 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3162 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
3163 ev_view_get_area_from_mapping (view, page,
3169 get_annot_area (EvView *view,
3172 EvAnnotation *annot,
3175 GList *annots_mapping;
3177 gint x_offset = 0, y_offset = 0;
3179 x += view->scroll_x;
3180 y += view->scroll_y;
3182 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3184 annots_mapping = ev_pixbuf_cache_get_annots_mapping (view->pixbuf_cache, page);
3185 ev_view_get_area_from_mapping (view, page,
3191 ev_view_query_tooltip (GtkWidget *widget,
3194 gboolean keyboard_tip,
3195 GtkTooltip *tooltip)
3197 EvView *view = EV_VIEW (widget);
3199 EvAnnotation *annot;
3202 annot = ev_view_get_annotation_at_location (view, x, y);
3203 if (annot && annot->contents) {
3204 GdkRectangle annot_area;
3206 get_annot_area (view, x, y, annot, &annot_area);
3207 gtk_tooltip_set_text (tooltip, annot->contents);
3208 gtk_tooltip_set_tip_area (tooltip, &annot_area);
3213 link = ev_view_get_link_at_location (view, x, y);
3217 text = tip_from_link (view, link);
3218 if (text && g_utf8_validate (text, -1, NULL)) {
3219 GdkRectangle link_area;
3221 get_link_area (view, x, y, link, &link_area);
3222 gtk_tooltip_set_text (tooltip, text);
3223 gtk_tooltip_set_tip_area (tooltip, &link_area);
3231 start_selection_for_event (EvView *view,
3232 GdkEventButton *event)
3234 clear_selection (view);
3236 view->selection_info.start.x = event->x + view->scroll_x;
3237 view->selection_info.start.y = event->y + view->scroll_y;
3239 switch (event->type) {
3240 case GDK_2BUTTON_PRESS:
3241 view->selection_info.style = EV_SELECTION_STYLE_WORD;
3243 case GDK_3BUTTON_PRESS:
3244 view->selection_info.style = EV_SELECTION_STYLE_LINE;
3247 view->selection_info.style = EV_SELECTION_STYLE_GLYPH;
3251 /* In case of WORD or LINE, compute selections now */
3252 compute_selections (view,
3253 view->selection_info.style,
3254 &(view->selection_info.start),
3255 &(view->selection_info.start));
3259 ev_view_button_press_event (GtkWidget *widget,
3260 GdkEventButton *event)
3262 EvView *view = EV_VIEW (widget);
3264 if (!view->document)
3267 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
3268 gtk_widget_grab_focus (widget);
3271 if (view->window_child_focus) {
3272 EvAnnotationWindow *window;
3273 EvAnnotation *annot;
3275 window = EV_ANNOTATION_WINDOW (view->window_child_focus->window);
3276 annot = ev_annotation_window_get_annotation (window);
3277 ev_annotation_window_ungrab_focus (window);
3278 ev_view_annotation_save (view, annot);
3279 view->window_child_focus = NULL;
3282 view->pressed_button = event->button;
3283 view->selection_info.in_drag = FALSE;
3285 if (view->scroll_info.autoscrolling)
3288 switch (event->button) {
3291 EvAnnotation *annot;
3294 if (EV_IS_SELECTION (view->document) && view->selection_info.selections) {
3295 if (event->type == GDK_3BUTTON_PRESS) {
3296 start_selection_for_event (view, event);
3297 } else if (location_in_selected_text (view,
3298 event->x + view->scroll_x,
3299 event->y + view->scroll_y)) {
3300 view->selection_info.in_drag = TRUE;
3302 start_selection_for_event (view, event);
3305 gtk_widget_queue_draw (widget);
3306 } else if ((annot = ev_view_get_annotation_at_location (view, event->x, event->y))) {
3307 ev_view_handle_annotation (view, annot, event->x, event->y);
3308 } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) {
3309 ev_view_remove_all (view);
3310 ev_view_handle_form_field (view, field, event->x, event->y);
3311 } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) &&
3312 (image = ev_view_get_image_at_location (view, event->x, event->y))) {
3313 if (view->image_dnd_info.image)
3314 g_object_unref (view->image_dnd_info.image);
3315 view->image_dnd_info.image = g_object_ref (image);
3316 view->image_dnd_info.in_drag = TRUE;
3318 view->image_dnd_info.start.x = event->x + view->scroll_x;
3319 view->image_dnd_info.start.y = event->y + view->scroll_y;
3321 ev_view_remove_all (view);
3323 if (EV_IS_SELECTION (view->document))
3324 start_selection_for_event (view, event);
3329 /* use root coordinates as reference point because
3330 * scrolling changes window relative coordinates */
3331 view->drag_info.start.x = event->x_root;
3332 view->drag_info.start.y = event->y_root;
3333 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
3334 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
3336 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
3340 view->scroll_info.start_y = event->y;
3341 return ev_view_do_popup_menu (view, event->x, event->y);
3348 ev_view_remove_all (EvView *view)
3350 GList *children, *child;
3352 children = gtk_container_get_children (GTK_CONTAINER (view));
3353 for (child = children; child && child->data; child = g_list_next (child)) {
3354 gtk_container_remove (GTK_CONTAINER (view),
3355 GTK_WIDGET (child->data));
3357 g_list_free (children);
3360 /*** Drag and Drop ***/
3362 ev_view_drag_data_get (GtkWidget *widget,
3363 GdkDragContext *context,
3364 GtkSelectionData *selection_data,
3368 EvView *view = EV_VIEW (widget);
3371 case TARGET_DND_TEXT:
3372 if (EV_IS_SELECTION (view->document) &&
3373 view->selection_info.selections) {
3376 text = get_selected_text (view);
3377 gtk_selection_data_set_text (selection_data,
3383 case TARGET_DND_IMAGE:
3384 if (view->image_dnd_info.image) {
3387 ev_document_doc_mutex_lock ();
3388 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3389 view->image_dnd_info.image);
3390 ev_document_doc_mutex_unlock ();
3392 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
3393 g_object_unref (pixbuf);
3396 case TARGET_DND_URI:
3397 if (view->image_dnd_info.image) {
3399 const gchar *tmp_uri;
3402 ev_document_doc_mutex_lock ();
3403 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3404 view->image_dnd_info.image);
3405 ev_document_doc_mutex_unlock ();
3407 tmp_uri = ev_image_save_tmp (view->image_dnd_info.image, pixbuf);
3408 g_object_unref (pixbuf);
3410 uris[0] = (gchar *)tmp_uri;
3412 gtk_selection_data_set_uris (selection_data, uris);
3418 ev_view_drag_motion (GtkWidget *widget,
3419 GdkDragContext *context,
3424 if (gtk_drag_get_source_widget (context) == widget)
3425 gdk_drag_status (context, 0, time);
3427 gdk_drag_status (context, context->suggested_action, time);
3433 selection_update_idle_cb (EvView *view)
3435 compute_selections (view,
3436 view->selection_info.style,
3437 &view->selection_info.start,
3439 view->selection_update_id = 0;
3444 selection_scroll_timeout_cb (EvView *view)
3446 gint x, y, shift = 0;
3447 GtkWidget *widget = GTK_WIDGET (view);
3449 gtk_widget_get_pointer (widget, &x, &y);
3451 if (y > widget->allocation.height) {
3452 shift = (y - widget->allocation.height) / 2;
3458 gtk_adjustment_set_value (view->vadjustment,
3459 CLAMP (view->vadjustment->value + shift,
3460 view->vadjustment->lower,
3461 view->vadjustment->upper -
3462 view->vadjustment->page_size));
3464 if (x > widget->allocation.width) {
3465 shift = (x - widget->allocation.width) / 2;
3471 gtk_adjustment_set_value (view->hadjustment,
3472 CLAMP (view->hadjustment->value + shift,
3473 view->hadjustment->lower,
3474 view->hadjustment->upper -
3475 view->hadjustment->page_size));
3481 ev_view_drag_update_momentum (EvView *view)
3484 if (!view->drag_info.in_drag)
3487 for (i = DRAG_HISTORY - 1; i > 0; i--) {
3488 view->drag_info.buffer[i].x = view->drag_info.buffer[i-1].x;
3489 view->drag_info.buffer[i].y = view->drag_info.buffer[i-1].y;
3492 /* Momentum is a moving average of 10ms granularity over
3493 * the last 100ms with each 10ms stored in buffer.
3496 view->drag_info.momentum.x = (view->drag_info.buffer[DRAG_HISTORY - 1].x - view->drag_info.buffer[0].x);
3497 view->drag_info.momentum.y = (view->drag_info.buffer[DRAG_HISTORY - 1].y - view->drag_info.buffer[0].y);
3503 ev_view_scroll_drag_release (EvView *view)
3505 gdouble dhadj_value, dvadj_value;
3506 gdouble oldhadjustment, oldvadjustment;
3508 view->drag_info.momentum.x /= 1.2;
3509 view->drag_info.momentum.y /= 1.2; /* Alter these constants to change "friction" */
3511 dhadj_value = view->hadjustment->page_size *
3512 (gdouble)view->drag_info.momentum.x / GTK_WIDGET (view)->allocation.width;
3513 dvadj_value = view->vadjustment->page_size *
3514 (gdouble)view->drag_info.momentum.y / GTK_WIDGET (view)->allocation.height;
3516 oldhadjustment = gtk_adjustment_get_value (view->hadjustment);
3517 oldvadjustment = gtk_adjustment_get_value (view->vadjustment);
3519 /* When we reach the edges, we need either to absorb some momentum and bounce by
3520 * multiplying it on -0.5 or stop scrolling by setting momentum to 0. */
3521 if (((oldhadjustment + dhadj_value) > (view->hadjustment->upper - view->hadjustment->page_size)) ||
3522 ((oldhadjustment + dhadj_value) < 0))
3523 view->drag_info.momentum.x = 0;
3524 if (((oldvadjustment + dvadj_value) > (view->vadjustment->upper - view->vadjustment->page_size)) ||
3525 ((oldvadjustment + dvadj_value) < 0))
3526 view->drag_info.momentum.y = 0;
3528 gtk_adjustment_set_value (view->hadjustment,
3529 MIN (oldhadjustment + dhadj_value,
3530 view->hadjustment->upper - view->hadjustment->page_size));
3531 gtk_adjustment_set_value (view->vadjustment,
3532 MIN (oldvadjustment + dvadj_value,
3533 view->vadjustment->upper - view->vadjustment->page_size));
3535 if (((view->drag_info.momentum.x < 1) && (view->drag_info.momentum.x > -1)) &&
3536 ((view->drag_info.momentum.y < 1) && (view->drag_info.momentum.y > -1)))
3543 ev_view_motion_notify_event (GtkWidget *widget,
3544 GdkEventMotion *event)
3546 EvView *view = EV_VIEW (widget);
3549 if (!view->document)
3553 if (event->is_hint || event->window != view->layout.bin_window) {
3554 gtk_widget_get_pointer (widget, &x, &y);
3560 if (view->scroll_info.autoscrolling) {
3561 view->scroll_info.last_y = y;
3565 if (view->selection_info.in_drag) {
3566 if (gtk_drag_check_threshold (widget,
3567 view->selection_info.start.x,
3568 view->selection_info.start.y,
3570 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3572 gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT);
3574 gtk_drag_begin (widget, target_list,
3576 1, (GdkEvent *)event);
3578 view->selection_info.in_drag = FALSE;
3580 gtk_target_list_unref (target_list);
3584 } else if (view->image_dnd_info.in_drag) {
3585 if (gtk_drag_check_threshold (widget,
3586 view->selection_info.start.x,
3587 view->selection_info.start.y,
3589 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3591 gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI);
3592 gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE);
3594 gtk_drag_begin (widget, target_list,
3596 1, (GdkEvent *)event);
3598 view->image_dnd_info.in_drag = FALSE;
3600 gtk_target_list_unref (target_list);
3606 switch (view->pressed_button) {
3608 /* For the Evince 0.4.x release, we limit selection to un-rotated
3611 if (view->rotation != 0)
3614 /* Schedule timeout to scroll during selection and additionally
3615 * scroll once to allow arbitrary speed. */
3616 if (!view->selection_scroll_id)
3617 view->selection_scroll_id = g_timeout_add (SCROLL_TIME,
3618 (GSourceFunc)selection_scroll_timeout_cb,
3621 selection_scroll_timeout_cb (view);
3623 view->selection_info.in_selection = TRUE;
3624 view->motion.x = x + view->scroll_x;
3625 view->motion.y = y + view->scroll_y;
3627 /* Queue an idle to handle the motion. We do this because
3628 * handling any selection events in the motion could be slower
3629 * than new motion events reach us. We always put it in the
3630 * idle to make sure we catch up and don't visibly lag the
3632 if (!view->selection_update_id)
3633 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
3637 if (!view->drag_info.in_drag) {
3641 start = gtk_drag_check_threshold (widget,
3642 view->drag_info.start.x,
3643 view->drag_info.start.y,
3646 view->drag_info.in_drag = start;
3647 view->drag_info.drag_timeout_id = g_timeout_add (10,
3648 (GSourceFunc)ev_view_drag_update_momentum, view);
3649 /* Set 100 to choose how long it takes to build up momentum */
3650 /* Clear out previous momentum info: */
3651 for (i = 0; i < DRAG_HISTORY; i++) {
3652 view->drag_info.buffer[i].x = event->x;
3653 view->drag_info.buffer[i].y = event->y;
3655 view->drag_info.momentum.x = 0;
3656 view->drag_info.momentum.y = 0;
3659 if (view->drag_info.in_drag) {
3661 gdouble dhadj_value, dvadj_value;
3663 view->drag_info.buffer[0].x = event->x;
3664 view->drag_info.buffer[0].y = event->y;
3666 dx = event->x_root - view->drag_info.start.x;
3667 dy = event->y_root - view->drag_info.start.y;
3669 dhadj_value = view->hadjustment->page_size *
3670 (gdouble)dx / widget->allocation.width;
3671 dvadj_value = view->vadjustment->page_size *
3672 (gdouble)dy / widget->allocation.height;
3674 /* clamp scrolling to visible area */
3675 gtk_adjustment_set_value (view->hadjustment,
3676 MIN(view->drag_info.hadj - dhadj_value,
3677 view->hadjustment->upper -
3678 view->hadjustment->page_size));
3679 gtk_adjustment_set_value (view->vadjustment,
3680 MIN(view->drag_info.vadj - dvadj_value,
3681 view->vadjustment->upper -
3682 view->vadjustment->page_size));
3689 ev_view_handle_cursor_over_xy (view, x, y);
3696 ev_view_button_release_event (GtkWidget *widget,
3697 GdkEventButton *event)
3699 EvView *view = EV_VIEW (widget);
3700 EvLink *link = NULL;
3702 view->image_dnd_info.in_drag = FALSE;
3704 if (view->scroll_info.autoscrolling) {
3705 ev_view_autoscroll_stop (view);
3706 view->pressed_button = -1;
3711 if (view->drag_info.in_drag) {
3712 view->drag_info.release_timeout_id =
3714 (GSourceFunc)ev_view_scroll_drag_release, view);
3717 if (view->document && !view->drag_info.in_drag && view->pressed_button != 3) {
3718 link = ev_view_get_link_at_location (view, event->x, event->y);
3721 view->drag_info.in_drag = FALSE;
3723 if (view->pressed_button == 2) {
3724 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3727 view->pressed_button = -1;
3729 if (view->selection_scroll_id) {
3730 g_source_remove (view->selection_scroll_id);
3731 view->selection_scroll_id = 0;
3733 if (view->selection_update_id) {
3734 g_source_remove (view->selection_update_id);
3735 view->selection_update_id = 0;
3738 if (view->selection_info.selections) {
3739 clear_link_selected (view);
3740 ev_view_update_primary_selection (view);
3742 if (view->selection_info.in_drag) {
3743 clear_selection (view);
3744 gtk_widget_queue_draw (widget);
3747 view->selection_info.in_drag = FALSE;
3749 if (event->button == 2) {
3750 EvLinkAction *action;
3751 EvLinkActionType type;
3753 action = ev_link_get_action (link);
3757 type = ev_link_action_get_action_type (action);
3758 if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
3759 g_signal_emit (view,
3760 signals[SIGNAL_EXTERNAL_LINK],
3764 ev_view_handle_link (view, link);
3766 } else if (view->presentation) {
3767 switch (event->button) {
3769 ev_view_next_page (view);
3772 ev_view_previous_page (view);
3781 /* Cut and paste from gtkwindow.c */
3783 send_focus_change (GtkWidget *widget,
3786 GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE);
3788 g_object_ref (widget);
3791 GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
3793 GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
3795 fevent->focus_change.type = GDK_FOCUS_CHANGE;
3796 fevent->focus_change.window = g_object_ref (widget->window);
3797 fevent->focus_change.in = in;
3799 gtk_widget_event (widget, fevent);
3801 g_object_notify (G_OBJECT (widget), "has-focus");
3803 g_object_unref (widget);
3804 gdk_event_free (fevent);
3808 ev_view_goto_window_hide (EvView *view)
3810 /* send focus-in event */
3811 send_focus_change (view->goto_entry, FALSE);
3812 gtk_widget_hide (view->goto_window);
3813 gtk_entry_set_text (GTK_ENTRY (view->goto_entry), "");
3817 ev_view_goto_window_delete_event (GtkWidget *widget,
3821 ev_view_goto_window_hide (view);
3827 key_is_numeric (guint keyval)
3829 return ((keyval >= GDK_0 && keyval <= GDK_9) ||
3830 (keyval >= GDK_KP_0 && keyval <= GDK_KP_9));
3834 ev_view_goto_window_key_press_event (GtkWidget *widget,
3838 switch (event->keyval) {
3842 case GDK_ISO_Left_Tab:
3843 ev_view_goto_window_hide (view);
3852 if (!key_is_numeric (event->keyval))
3860 ev_view_goto_window_button_press_event (GtkWidget *widget,
3861 GdkEventButton *event,
3864 ev_view_goto_window_hide (view);
3870 ev_view_goto_entry_activate (GtkEntry *entry,
3876 text = gtk_entry_get_text (entry);
3877 page = atoi (text) - 1;
3879 ev_view_goto_window_hide (view);
3881 if (page >= 0 && page < ev_document_get_n_pages (view->document)) {
3882 ev_document_model_set_page (view->model, page);
3887 ev_view_goto_window_create (EvView *view)
3889 GtkWidget *frame, *hbox, *toplevel, *label;
3891 toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view));
3893 if (view->goto_window) {
3894 if (GTK_WINDOW (toplevel)->group)
3895 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
3896 GTK_WINDOW (view->goto_window));
3897 else if (GTK_WINDOW (view->goto_window)->group)
3898 gtk_window_group_remove_window (GTK_WINDOW (view->goto_window)->group,
3899 GTK_WINDOW (view->goto_window));
3903 view->goto_window = gtk_window_new (GTK_WINDOW_POPUP);
3904 gtk_window_set_screen (GTK_WINDOW (view->goto_window),
3905 gtk_widget_get_screen (GTK_WIDGET (view)));
3907 if (GTK_WINDOW (toplevel)->group)
3908 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
3909 GTK_WINDOW (view->goto_window));
3911 gtk_window_set_modal (GTK_WINDOW (view->goto_window), TRUE);
3913 g_signal_connect (view->goto_window, "delete_event",
3914 G_CALLBACK (ev_view_goto_window_delete_event),
3916 g_signal_connect (view->goto_window, "key_press_event",
3917 G_CALLBACK (ev_view_goto_window_key_press_event),
3919 g_signal_connect (view->goto_window, "button_press_event",
3920 G_CALLBACK (ev_view_goto_window_button_press_event),
3923 frame = gtk_frame_new (NULL);
3924 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
3925 gtk_container_add (GTK_CONTAINER (view->goto_window), frame);
3926 gtk_widget_show (frame);
3928 hbox = gtk_hbox_new (FALSE, 0);
3929 gtk_container_set_border_width (GTK_CONTAINER (hbox), 3);
3930 gtk_container_add (GTK_CONTAINER (frame), hbox);
3931 gtk_widget_show (hbox);
3933 label = gtk_label_new(_("Jump to page:"));
3934 gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 3);
3935 gtk_widget_show (label);
3936 gtk_widget_realize (label);
3938 view->goto_entry = gtk_entry_new ();
3939 g_signal_connect (view->goto_entry, "activate",
3940 G_CALLBACK (ev_view_goto_entry_activate),
3942 gtk_box_pack_start (GTK_BOX (hbox), view->goto_entry, TRUE, TRUE, 0);
3943 gtk_widget_show (view->goto_entry);
3944 gtk_widget_realize (view->goto_entry);
3948 ev_view_goto_entry_grab_focus (EvView *view)
3950 GtkWidgetClass *entry_parent_class;
3952 entry_parent_class = g_type_class_peek_parent (GTK_ENTRY_GET_CLASS (view->goto_entry));
3953 (entry_parent_class->grab_focus) (view->goto_entry);
3955 send_focus_change (view->goto_entry, TRUE);
3959 ev_view_goto_window_send_key_event (EvView *view,
3962 GdkEventKey *new_event;
3965 /* Move goto window off screen */
3966 screen = gtk_widget_get_screen (GTK_WIDGET (view));
3967 gtk_window_move (GTK_WINDOW (view->goto_window),
3968 gdk_screen_get_width (screen) + 1,
3969 gdk_screen_get_height (screen) + 1);
3970 gtk_widget_show (view->goto_window);
3972 new_event = (GdkEventKey *) gdk_event_copy (event);
3973 g_object_unref (new_event->window);
3974 new_event->window = g_object_ref (view->goto_window->window);
3975 gtk_widget_realize (view->goto_window);
3977 gtk_widget_event (view->goto_window, (GdkEvent *)new_event);
3978 gdk_event_free ((GdkEvent *)new_event);
3979 gtk_widget_hide (view->goto_window);
3983 ev_view_key_press_event (GtkWidget *widget,
3986 EvView *view = EV_VIEW (widget);
3987 EvPresentationState current;
3989 if (!view->document)
3992 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
3993 /* Forward key events to current focused window child */
3994 if (view->window_child_focus) {
3995 GdkEventKey *new_event;
3998 new_event = (GdkEventKey *) gdk_event_copy ((GdkEvent *)event);
3999 g_object_unref (new_event->window);
4000 new_event->window = g_object_ref (view->window_child_focus->window->window);
4001 gtk_widget_realize (view->window_child_focus->window);
4002 handled = gtk_widget_event (view->window_child_focus->window, (GdkEvent *)new_event);
4003 gdk_event_free ((GdkEvent *)new_event);
4011 if (!view->presentation ||
4012 view->presentation_state == EV_PRESENTATION_END)
4013 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
4016 current = view->presentation_state;
4018 switch (event->keyval) {
4022 case GDK_KP_Decimal:
4023 view->presentation_state =
4024 (view->presentation_state == EV_PRESENTATION_BLACK) ?
4025 EV_PRESENTATION_NORMAL : EV_PRESENTATION_BLACK;
4029 view->presentation_state =
4030 (view->presentation_state == EV_PRESENTATION_WHITE) ?
4031 EV_PRESENTATION_NORMAL : EV_PRESENTATION_WHITE;
4034 if (view->presentation_state == EV_PRESENTATION_BLACK ||
4035 view->presentation_state == EV_PRESENTATION_WHITE) {
4036 view->presentation_state = EV_PRESENTATION_NORMAL;
4040 if (current == view->presentation_state) {
4041 if (ev_document_get_n_pages (view->document) > 1 &&
4042 key_is_numeric (event->keyval)) {
4045 ev_view_goto_window_create (view);
4046 ev_view_goto_window_send_key_event (view, (GdkEvent *)event);
4047 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4048 gtk_window_move (GTK_WINDOW (view->goto_window), x, y);
4049 gtk_widget_show (view->goto_window);
4050 ev_view_goto_entry_grab_focus (view);
4055 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
4058 switch (view->presentation_state) {
4059 case EV_PRESENTATION_NORMAL:
4060 case EV_PRESENTATION_BLACK:
4061 gdk_window_set_background (view->layout.bin_window,
4062 &widget->style->black);
4064 case EV_PRESENTATION_WHITE:
4065 gdk_window_set_background (view->layout.bin_window,
4066 &widget->style->white);
4069 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
4072 gtk_widget_queue_draw (widget);
4077 ev_view_focus_in (GtkWidget *widget,
4078 GdkEventFocus *event)
4080 if (EV_VIEW (widget)->pixbuf_cache)
4081 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4082 gtk_widget_queue_draw (widget);
4088 ev_view_focus_out (GtkWidget *widget,
4089 GdkEventFocus *event)
4091 if (EV_VIEW (widget)->goto_window)
4092 ev_view_goto_window_hide (EV_VIEW (widget));
4094 if (EV_VIEW (widget)->pixbuf_cache)
4095 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4096 gtk_widget_queue_draw (widget);
4102 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
4104 EvView *view = EV_VIEW (widget);
4106 if (view->cursor != EV_VIEW_CURSOR_NORMAL)
4107 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
4113 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
4115 EvView *view = EV_VIEW (widget);
4117 ev_view_handle_cursor_over_xy (view, event->x, event->y);
4123 ev_view_style_set (GtkWidget *widget,
4124 GtkStyle *old_style)
4126 if (EV_VIEW (widget)->pixbuf_cache)
4127 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4129 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
4135 ev_gdk_color_to_rgb (const GdkColor *color)
4138 result = (0xff0000 | (color->red & 0xff00));
4140 result |= ((color->green & 0xff00) | (color->blue >> 8));
4145 draw_rubberband (GtkWidget *widget, GdkWindow *window,
4146 const GdkRectangle *rect, guchar alpha)
4150 GdkColor *fill_color_gdk;
4153 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
4154 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
4156 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
4157 rect->width, rect->height);
4158 gdk_pixbuf_fill (pixbuf, fill_color);
4160 gdk_draw_pixbuf (window, NULL, pixbuf,
4162 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
4163 rect->width, rect->height,
4164 GDK_RGB_DITHER_NONE,
4167 g_object_unref (pixbuf);
4169 gc = gdk_gc_new (window);
4170 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
4171 gdk_draw_rectangle (window, gc, FALSE,
4172 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
4175 g_object_unref (gc);
4177 gdk_color_free (fill_color_gdk);
4182 highlight_find_results (EvView *view, int page)
4184 gint i, n_results = 0;
4186 n_results = ev_view_find_get_n_results (view, page);
4188 for (i = 0; i < n_results; i++) {
4189 EvRectangle *rectangle;
4190 GdkRectangle view_rectangle;
4193 if (i == view->find_result && page == view->current_page) {
4199 rectangle = ev_view_find_get_result (view, page, i);
4200 doc_rect_to_view_rect (view, page, rectangle, &view_rectangle);
4201 draw_rubberband (GTK_WIDGET (view), view->layout.bin_window,
4202 &view_rectangle, alpha);
4207 draw_loading_text (EvView *view,
4208 GdkRectangle *page_area,
4209 GdkRectangle *expose_area)
4214 if (!view->loading_text) {
4215 const gchar *loading_text = _("Loading...");
4216 PangoLayout *layout;
4217 PangoFontDescription *font_desc;
4218 PangoRectangle logical_rect;
4222 ev_document_fc_mutex_lock ();
4224 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
4226 font_desc = pango_font_description_new ();
4228 /* We set the font to be 10 points, get the size, and scale appropriately */
4229 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
4230 pango_layout_set_font_description (layout, font_desc);
4231 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
4233 target_width = MAX (page_area->width / 2, 1);
4234 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
4235 pango_font_description_set_size (font_desc, (int)real_scale);
4236 pango_layout_set_font_description (layout, font_desc);
4237 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
4239 view->loading_text = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
4241 logical_rect.height);
4242 cr = cairo_create (view->loading_text);
4243 cairo_set_source_rgb (cr,
4247 pango_cairo_show_layout (cr, layout);
4250 pango_font_description_free (font_desc);
4251 g_object_unref (layout);
4253 ev_document_fc_mutex_unlock ();
4256 width = (page_area->width - cairo_image_surface_get_width (view->loading_text)) / 2;
4257 height = (page_area->height - cairo_image_surface_get_height (view->loading_text)) / 2;
4259 cr = gdk_cairo_create (view->layout.bin_window);
4260 cairo_translate (cr,
4261 page_area->x + width,
4262 page_area->y + height);
4263 cairo_set_source_surface (cr, view->loading_text, 0, 0);
4269 draw_one_page (EvView *view,
4272 GdkRectangle *page_area,
4274 GdkRectangle *expose_area,
4275 gboolean *page_ready)
4277 GdkRectangle overlap;
4278 GdkRectangle real_page_area;
4280 g_assert (view->document);
4282 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
4285 /* Render the document itself */
4286 real_page_area = *page_area;
4288 real_page_area.x += border->left;
4289 real_page_area.y += border->top;
4290 real_page_area.width -= (border->left + border->right);
4291 real_page_area.height -= (border->top + border->bottom);
4294 if (!view->presentation) {
4297 current_page = ev_document_model_get_page (view->model);
4298 ev_document_misc_paint_one_page (view->layout.bin_window,
4301 page == current_page);
4304 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
4306 gint page_width, page_height;
4307 cairo_surface_t *page_surface = NULL;
4308 gint selection_width, selection_height;
4309 cairo_surface_t *selection_surface = NULL;
4311 page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page);
4313 if (!page_surface) {
4314 if (!view->presentation) {
4315 draw_loading_text (view,
4320 *page_ready = FALSE;
4325 ev_view_get_page_size (view, page, &width, &height);
4327 page_width = cairo_image_surface_get_width (page_surface);
4328 page_height = cairo_image_surface_get_height (page_surface);
4331 cairo_translate (cr, overlap.x, overlap.y);
4333 if (width != page_width || height != page_height) {
4334 cairo_pattern_set_filter (cairo_get_source (cr),
4337 (gdouble)width / page_width,
4338 (gdouble)height / page_height);
4341 cairo_surface_set_device_offset (page_surface,
4342 overlap.x - real_page_area.x,
4343 overlap.y - real_page_area.y);
4344 cairo_set_source_surface (cr, page_surface, 0, 0);
4348 /* Get the selection pixbuf iff we have something to draw */
4349 if (find_selection_for_page (view, page) &&
4350 view->selection_mode == EV_VIEW_SELECTION_TEXT) {
4352 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
4358 if (!selection_surface) {
4362 selection_width = cairo_image_surface_get_width (selection_surface);
4363 selection_height = cairo_image_surface_get_height (selection_surface);
4366 cairo_translate (cr, overlap.x, overlap.y);
4368 if (width != selection_width || height != selection_height) {
4369 cairo_pattern_set_filter (cairo_get_source (cr),
4372 (gdouble)width / selection_width,
4373 (gdouble)height / selection_height);
4376 cairo_surface_set_device_offset (selection_surface,
4377 overlap.x - real_page_area.x,
4378 overlap.y - real_page_area.y);
4379 cairo_set_source_surface (cr, selection_surface, 0, 0);
4385 /*** GObject functions ***/
4388 ev_view_finalize (GObject *object)
4390 EvView *view = EV_VIEW (object);
4392 clear_selection (view);
4393 clear_link_selected (view);
4395 if (view->image_dnd_info.image)
4396 g_object_unref (view->image_dnd_info.image);
4397 view->image_dnd_info.image = NULL;
4399 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
4403 ev_view_destroy (GtkObject *object)
4405 EvView *view = EV_VIEW (object);
4408 g_object_unref (view->model);
4412 if (view->document) {
4413 g_object_unref (view->document);
4414 view->document = NULL;
4417 if (view->pixbuf_cache) {
4418 g_object_unref (view->pixbuf_cache);
4419 view->pixbuf_cache = NULL;
4422 if (view->goto_window) {
4423 gtk_widget_destroy (view->goto_window);
4424 view->goto_window = NULL;
4425 view->goto_entry = NULL;
4428 ev_view_window_children_free (view);
4430 if (view->selection_scroll_id) {
4431 g_source_remove (view->selection_scroll_id);
4432 view->selection_scroll_id = 0;
4435 if (view->selection_update_id) {
4436 g_source_remove (view->selection_update_id);
4437 view->selection_update_id = 0;
4440 if (view->loading_text) {
4441 cairo_surface_destroy (view->loading_text);
4442 view->loading_text = NULL;
4445 if (view->scroll_info.timeout_id) {
4446 g_source_remove (view->scroll_info.timeout_id);
4447 view->scroll_info.timeout_id = 0;
4450 if (view->drag_info.drag_timeout_id) {
4451 g_source_remove (view->drag_info.drag_timeout_id);
4452 view->drag_info.drag_timeout_id = 0;
4455 if (view->drag_info.release_timeout_id) {
4456 g_source_remove (view->drag_info.release_timeout_id);
4457 view->drag_info.release_timeout_id = 0;
4460 ev_view_presentation_transition_stop (view);
4462 ev_view_set_scroll_adjustments (GTK_LAYOUT (view), NULL, NULL);
4464 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
4468 ev_view_set_property (GObject *object,
4470 const GValue *value,
4473 EvView *view = EV_VIEW (object);
4476 case PROP_CONTINUOUS:
4477 ev_view_set_continuous (view, g_value_get_boolean (value));
4479 case PROP_DUAL_PAGE:
4480 ev_view_set_dual_page (view, g_value_get_boolean (value));
4482 case PROP_FULLSCREEN:
4483 ev_view_set_fullscreen (view, g_value_get_boolean (value));
4485 case PROP_PRESENTATION:
4486 ev_view_set_presentation (view, g_value_get_boolean (value));
4488 case PROP_SIZING_MODE:
4489 ev_view_set_sizing_mode (view, g_value_get_enum (value));
4492 ev_view_set_zoom (view, g_value_get_double (value));
4495 ev_view_set_rotation (view, g_value_get_int (value));
4498 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
4503 ev_view_get_accessible (GtkWidget *widget)
4505 static gboolean first_time = TRUE;
4508 AtkObjectFactory *factory;
4509 AtkRegistry *registry;
4511 GType derived_atk_type;
4514 * Figure out whether accessibility is enabled by looking at the
4515 * type of the accessible object which would be created for
4516 * the parent type of EvView.
4518 derived_type = g_type_parent (EV_TYPE_VIEW);
4520 registry = atk_get_default_registry ();
4521 factory = atk_registry_get_factory (registry,
4523 derived_atk_type = atk_object_factory_get_accessible_type (factory);
4524 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
4525 atk_registry_set_factory_type (registry,
4527 ev_view_accessible_factory_get_type ());
4530 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
4534 ev_view_get_property (GObject *object,
4539 EvView *view = EV_VIEW (object);
4542 case PROP_CONTINUOUS:
4543 g_value_set_boolean (value, view->continuous);
4545 case PROP_DUAL_PAGE:
4546 g_value_set_boolean (value, view->dual_page);
4548 case PROP_FULLSCREEN:
4549 g_value_set_boolean (value, view->fullscreen);
4551 case PROP_PRESENTATION:
4552 g_value_set_boolean (value, view->presentation);
4554 case PROP_SIZING_MODE:
4555 g_value_set_enum (value, view->sizing_mode);
4558 g_value_set_double (value, view->scale);
4561 g_value_set_int (value, view->rotation);
4563 case PROP_HAS_SELECTION:
4564 g_value_set_boolean (value,
4565 view->selection_info.selections != NULL);
4568 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
4573 ev_view_class_init (EvViewClass *class)
4575 GObjectClass *object_class = G_OBJECT_CLASS (class);
4576 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
4577 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
4578 GtkLayoutClass *layout_class = GTK_LAYOUT_CLASS (class);
4579 GtkBindingSet *binding_set;
4581 object_class->finalize = ev_view_finalize;
4582 object_class->set_property = ev_view_set_property;
4583 object_class->get_property = ev_view_get_property;
4585 widget_class->expose_event = ev_view_expose_event;
4586 widget_class->button_press_event = ev_view_button_press_event;
4587 widget_class->motion_notify_event = ev_view_motion_notify_event;
4588 widget_class->button_release_event = ev_view_button_release_event;
4589 widget_class->key_press_event = ev_view_key_press_event;
4590 widget_class->focus_in_event = ev_view_focus_in;
4591 widget_class->focus_out_event = ev_view_focus_out;
4592 widget_class->get_accessible = ev_view_get_accessible;
4593 widget_class->size_request = ev_view_size_request;
4594 widget_class->size_allocate = ev_view_size_allocate;
4595 widget_class->realize = ev_view_realize;
4596 widget_class->scroll_event = ev_view_scroll_event;
4597 widget_class->enter_notify_event = ev_view_enter_notify_event;
4598 widget_class->leave_notify_event = ev_view_leave_notify_event;
4599 widget_class->style_set = ev_view_style_set;
4600 widget_class->drag_data_get = ev_view_drag_data_get;
4601 widget_class->drag_motion = ev_view_drag_motion;
4602 widget_class->popup_menu = ev_view_popup_menu;
4603 widget_class->query_tooltip = ev_view_query_tooltip;
4605 gtk_object_class->destroy = ev_view_destroy;
4607 layout_class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
4609 class->binding_activated = ev_view_scroll;
4611 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
4612 G_TYPE_FROM_CLASS (object_class),
4613 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4614 G_STRUCT_OFFSET (EvViewClass, binding_activated),
4616 ev_view_marshal_VOID__ENUM_BOOLEAN,
4618 GTK_TYPE_SCROLL_TYPE,
4620 signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link",
4621 G_TYPE_FROM_CLASS (object_class),
4622 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4623 G_STRUCT_OFFSET (EvViewClass, handle_link),
4625 g_cclosure_marshal_VOID__OBJECT,
4628 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
4629 G_TYPE_FROM_CLASS (object_class),
4630 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4631 G_STRUCT_OFFSET (EvViewClass, external_link),
4633 g_cclosure_marshal_VOID__OBJECT,
4636 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
4637 G_TYPE_FROM_CLASS (object_class),
4638 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4639 G_STRUCT_OFFSET (EvViewClass, popup_menu),
4641 g_cclosure_marshal_VOID__OBJECT,
4646 g_object_class_install_property (object_class,
4648 g_param_spec_boolean ("continuous",
4650 "Continuous scrolling mode",
4652 G_PARAM_READWRITE));
4654 g_object_class_install_property (object_class,
4656 g_param_spec_boolean ("dual-page",
4658 "Two pages visible at once",
4660 G_PARAM_READWRITE));
4661 g_object_class_install_property (object_class,
4663 g_param_spec_boolean ("fullscreen",
4665 "Draw page in a fullscreen fashion",
4667 G_PARAM_READWRITE));
4668 g_object_class_install_property (object_class,
4670 g_param_spec_boolean ("presentation",
4672 "Draw page in presentation mode",
4674 G_PARAM_READWRITE));
4676 g_object_class_install_property (object_class,
4678 g_param_spec_enum ("sizing-mode",
4681 EV_TYPE_SIZING_MODE,
4682 EV_SIZING_FIT_WIDTH,
4683 G_PARAM_READWRITE));
4685 g_object_class_install_property (object_class,
4687 g_param_spec_double ("zoom",
4693 G_PARAM_READWRITE));
4694 g_object_class_install_property (object_class,
4696 g_param_spec_double ("rotation",
4702 G_PARAM_READWRITE));
4704 g_object_class_install_property (object_class,
4706 g_param_spec_boolean ("has-selection",
4708 "The view has selections",
4712 binding_set = gtk_binding_set_by_class (class);
4714 add_scroll_binding_keypad (binding_set, GDK_Left, 0, GTK_SCROLL_STEP_BACKWARD, TRUE);
4715 add_scroll_binding_keypad (binding_set, GDK_Right, 0, GTK_SCROLL_STEP_FORWARD, TRUE);
4716 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, TRUE);
4717 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, TRUE);
4718 add_scroll_binding_keypad (binding_set, GDK_Up, 0, GTK_SCROLL_STEP_BACKWARD, FALSE);
4719 add_scroll_binding_keypad (binding_set, GDK_Down, 0, GTK_SCROLL_STEP_FORWARD, FALSE);
4720 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, FALSE);
4721 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, FALSE);
4722 gtk_binding_entry_add_signal (binding_set, GDK_H, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4723 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE);
4724 gtk_binding_entry_add_signal (binding_set, GDK_J, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4725 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE);
4726 gtk_binding_entry_add_signal (binding_set, GDK_K, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4727 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE);
4728 gtk_binding_entry_add_signal (binding_set, GDK_L, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4729 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE);
4734 ev_view_init (EvView *view)
4736 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
4738 view->start_page = -1;
4739 view->end_page = -1;
4742 view->current_page = 0;
4743 view->pressed_button = -1;
4744 view->cursor = EV_VIEW_CURSOR_NORMAL;
4745 view->drag_info.in_drag = FALSE;
4746 view->scroll_info.autoscrolling = FALSE;
4747 view->selection_info.selections = NULL;
4748 view->selection_info.in_selection = FALSE;
4749 view->selection_info.in_drag = FALSE;
4750 view->selection_mode = EV_VIEW_SELECTION_TEXT;
4751 view->continuous = TRUE;
4752 view->dual_page = FALSE;
4753 view->presentation = FALSE;
4754 view->presentation_state = EV_PRESENTATION_NORMAL;
4755 view->fullscreen = FALSE;
4756 view->sizing_mode = EV_SIZING_FIT_WIDTH;
4757 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4758 view->jump_to_find_result = TRUE;
4759 view->highlight_find_results = FALSE;
4761 gtk_layout_set_hadjustment (GTK_LAYOUT (view), NULL);
4762 gtk_layout_set_vadjustment (GTK_LAYOUT (view), NULL);
4768 ev_view_change_page (EvView *view,
4770 gboolean start_transition)
4774 view->current_page = new_page;
4775 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4777 if (view->presentation && start_transition)
4778 ev_view_presentation_transition_start (view);
4780 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4781 ev_view_handle_cursor_over_xy (view, x, y);
4783 gtk_widget_queue_resize (GTK_WIDGET (view));
4787 ev_view_transition_animation_finish (EvTransitionAnimation *animation,
4790 g_object_unref (view->animation);
4791 view->animation = NULL;
4792 ev_view_change_page (view, view->current_page, TRUE);
4796 * ev_view_transition_animation_cancel:
4797 * @animation: Animation to finish
4800 * Does almost the same as cancel, but without scheduling the transition.
4804 ev_view_transition_animation_cancel (EvTransitionAnimation *animation,
4807 g_object_unref (view->animation);
4808 view->animation = NULL;
4809 ev_view_change_page (view, view->current_page, FALSE);
4813 ev_view_transition_animation_frame (EvTransitionAnimation *animation,
4817 gtk_widget_queue_draw (GTK_WIDGET (view));
4821 ev_view_presentation_animation_start (EvView *view,
4824 EvTransitionEffect *effect = NULL;
4825 cairo_surface_t *surface;
4827 if (EV_IS_DOCUMENT_TRANSITION (view->document))
4828 effect = ev_document_transition_get_effect (EV_DOCUMENT_TRANSITION (view->document),
4829 view->current_page);
4833 view->animation = ev_transition_animation_new (effect);
4835 surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page);
4836 ev_transition_animation_set_origin_surface (view->animation, surface);
4837 surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, new_page);
4839 ev_transition_animation_set_dest_surface (view->animation, surface);
4841 g_signal_connect (view->animation, "frame",
4842 G_CALLBACK (ev_view_transition_animation_frame), view);
4843 g_signal_connect (view->animation, "finished",
4844 G_CALLBACK (ev_view_transition_animation_finish), view);
4848 job_finished_cb (EvPixbufCache *pixbuf_cache,
4852 if (view->animation) {
4853 cairo_surface_t *surface;
4855 surface = ev_pixbuf_cache_get_surface (pixbuf_cache, view->current_page);
4856 ev_transition_animation_set_dest_surface (view->animation, surface);
4860 gdk_window_invalidate_region (view->layout.bin_window,
4863 gtk_widget_queue_draw (GTK_WIDGET (view));
4868 ev_view_page_changed_cb (EvDocumentModel *model,
4873 if (!view->document)
4876 if (view->current_page != new_page) {
4877 if (view->presentation)
4878 ev_view_presentation_animation_start (view, new_page);
4880 ev_view_change_page (view, new_page, TRUE);
4882 gtk_widget_queue_draw (GTK_WIDGET (view));
4885 view->find_result = 0;
4889 on_adjustment_value_changed (GtkAdjustment *adjustment,
4894 GList *children, *l;
4896 if (! GTK_WIDGET_REALIZED (view))
4899 if (view->hadjustment) {
4900 dx = view->scroll_x - (int) view->hadjustment->value;
4901 view->scroll_x = (int) view->hadjustment->value;
4906 if (view->vadjustment) {
4907 dy = view->scroll_y - (int) view->vadjustment->value;
4908 view->scroll_y = (int) view->vadjustment->value;
4913 children = gtk_container_get_children (GTK_CONTAINER (view));
4914 for (l = children; l && l->data; l = g_list_next (l)) {
4915 gint child_x, child_y;
4916 GtkWidget *child = (GtkWidget *)l->data;
4918 gtk_container_child_get (GTK_CONTAINER (view),
4923 gtk_layout_move (GTK_LAYOUT (view), child, child_x + dx, child_y + dy);
4925 g_list_free (children);
4927 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
4928 EvViewWindowChild *child;
4930 child = (EvViewWindowChild *)l->data;
4932 ev_view_window_child_move (view, child, child->x + dx, child->y + dy);
4935 if (view->pending_resize)
4936 gtk_widget_queue_draw (GTK_WIDGET (view));
4938 gdk_window_scroll (view->layout.bin_window, dx, dy);
4940 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4941 ev_view_handle_cursor_over_xy (view, x, y);
4944 view_update_range_and_current_page (view);
4952 view = g_object_new (EV_TYPE_VIEW, NULL);
4958 setup_caches (EvView *view)
4960 view->height_to_page_cache = ev_view_get_height_to_page_cache (view);
4961 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
4962 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
4966 clear_caches (EvView *view)
4968 if (view->pixbuf_cache) {
4969 g_object_unref (view->pixbuf_cache);
4970 view->pixbuf_cache = NULL;
4975 ev_view_set_loading (EvView *view,
4978 view->loading = loading;
4979 gtk_widget_queue_draw (GTK_WIDGET (view));
4983 ev_view_autoscroll_cb (EvView *view)
4985 gdouble speed, value;
4987 /* If the user stops autoscrolling, autoscrolling will be
4988 * set to false but the timeout will continue; stop the timeout: */
4989 if (!view->scroll_info.autoscrolling) {
4990 view->scroll_info.timeout_id = 0;
4994 if (view->scroll_info.last_y > view->scroll_info.start_y &&
4995 (view->scroll_info.last_y < view->scroll_info.start_y))
4998 /* Replace 100 with your speed of choice: The lower the faster.
4999 * Replace 3 with another speed of choice: The higher, the faster it accelerated
5000 * based on the distance of the starting point from the mouse
5001 * (All also effected by the timeout interval of this callback) */
5003 if (view->scroll_info.start_y > view->scroll_info.last_y)
5004 speed = -pow ((((gdouble)view->scroll_info.start_y - view->scroll_info.last_y) / 100), 3);
5006 speed = pow ((((gdouble)view->scroll_info.last_y - view->scroll_info.start_y) / 100), 3);
5008 value = gtk_adjustment_get_value (view->vadjustment);
5009 value = CLAMP (value + speed, 0, view->vadjustment->upper - view->vadjustment->page_size);
5010 gtk_adjustment_set_value (view->vadjustment, value);
5017 ev_view_autoscroll_start (EvView *view)
5021 g_return_if_fail (EV_IS_VIEW (view));
5023 if (view->scroll_info.autoscrolling)
5026 view->scroll_info.autoscrolling = TRUE;
5027 view->scroll_info.timeout_id =
5028 g_timeout_add (20, (GSourceFunc)ev_view_autoscroll_cb,
5031 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
5032 ev_view_handle_cursor_over_xy (view, x, y);
5036 ev_view_autoscroll_stop (EvView *view)
5040 g_return_if_fail (EV_IS_VIEW (view));
5042 if (!view->scroll_info.autoscrolling)
5045 view->scroll_info.autoscrolling = FALSE;
5046 if (view->scroll_info.timeout_id) {
5047 g_source_remove (view->scroll_info.timeout_id);
5048 view->scroll_info.timeout_id = 0;
5051 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
5052 ev_view_handle_cursor_over_xy (view, x, y);
5056 ev_view_document_changed_cb (EvDocumentModel *model,
5060 EvDocument *document = ev_document_model_get_document (model);
5062 view->loading = FALSE;
5064 if (document != view->document) {
5065 clear_caches (view);
5067 if (view->document) {
5068 g_object_unref (view->document);
5071 view->document = document;
5072 view->find_result = 0;
5074 if (view->document) {
5075 g_object_ref (view->document);
5076 setup_caches (view);
5079 ev_view_change_page (view,
5080 ev_document_model_get_page (model),
5086 ev_view_rotation_changed_cb (EvDocumentModel *model,
5090 gint rotation = ev_document_model_get_rotation (model);
5092 ev_view_set_rotation (view, rotation);
5094 if (view->pixbuf_cache) {
5095 ev_pixbuf_cache_clear (view->pixbuf_cache);
5096 if (!ev_document_is_page_size_uniform (view->document))
5097 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5098 gtk_widget_queue_resize (GTK_WIDGET (view));
5102 clear_selection (view);
5106 ev_view_sizing_mode_changed_cb (EvDocumentModel *model,
5110 EvSizingMode mode = ev_document_model_get_sizing_mode (model);
5112 ev_view_set_sizing_mode (view, mode);
5114 if (mode != EV_SIZING_FREE)
5115 gtk_widget_queue_resize (GTK_WIDGET (view));
5118 #define EPSILON 0.0000001
5120 ev_view_scale_changed_cb (EvDocumentModel *model,
5124 gdouble scale = ev_document_model_get_scale (model);
5126 if (ABS (view->scale - scale) < EPSILON)
5129 if (view->loading_text) {
5130 cairo_surface_destroy (view->loading_text);
5131 view->loading_text = NULL;
5134 ev_view_set_zoom (view, scale);
5136 view->pending_resize = TRUE;
5137 gtk_widget_queue_resize (GTK_WIDGET (view));
5141 ev_view_continuous_changed_cb (EvDocumentModel *model,
5145 gboolean continuous = ev_document_model_get_continuous (model);
5147 ev_view_set_continuous (view, continuous);
5148 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5149 gtk_widget_queue_resize (GTK_WIDGET (view));
5153 ev_view_dual_page_changed_cb (EvDocumentModel *model,
5157 gboolean dual_page = ev_document_model_get_dual_page (model);
5159 ev_view_set_dual_page (view, dual_page);
5160 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5161 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
5162 * preload_cache_size to be 2 if dual_page is set.
5164 gtk_widget_queue_resize (GTK_WIDGET (view));
5168 ev_view_fullscreen_changed_cb (EvDocumentModel *model,
5172 gboolean fullscreen = ev_document_model_get_fullscreen (model);
5174 ev_view_set_fullscreen (view, fullscreen);
5175 gtk_widget_queue_resize (GTK_WIDGET (view));
5179 ev_view_set_model (EvView *view,
5180 EvDocumentModel *model)
5182 g_return_if_fail (EV_IS_VIEW (view));
5183 g_return_if_fail (EV_IS_DOCUMENT_MODEL (model));
5185 if (model == view->model)
5189 g_signal_handlers_disconnect_by_func (view->model,
5190 ev_view_document_changed_cb,
5192 g_signal_handlers_disconnect_by_func (view->model,
5193 ev_view_page_changed_cb,
5195 g_object_unref (view->model);
5197 view->model = g_object_ref (model);
5198 g_signal_connect (view->model, "notify::document",
5199 G_CALLBACK (ev_view_document_changed_cb),
5201 g_signal_connect (view->model, "notify::rotation",
5202 G_CALLBACK (ev_view_rotation_changed_cb),
5204 g_signal_connect (view->model, "notify::sizing-mode",
5205 G_CALLBACK (ev_view_sizing_mode_changed_cb),
5207 g_signal_connect (view->model, "notify::scale",
5208 G_CALLBACK (ev_view_scale_changed_cb),
5210 g_signal_connect (view->model, "notify::continuous",
5211 G_CALLBACK (ev_view_continuous_changed_cb),
5213 g_signal_connect (view->model, "notify::dual-page",
5214 G_CALLBACK (ev_view_dual_page_changed_cb),
5216 g_signal_connect (view->model, "notify::fullscreen",
5217 G_CALLBACK (ev_view_fullscreen_changed_cb),
5219 g_signal_connect (view->model, "page-changed",
5220 G_CALLBACK (ev_view_page_changed_cb),
5225 ev_view_reload_page (EvView *view,
5229 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
5237 ev_view_reload (EvView *view)
5239 ev_pixbuf_cache_clear (view->pixbuf_cache);
5240 view_update_range_and_current_page (view);
5243 /*** Zoom and sizing mode ***/
5246 ev_view_set_zoom (EvView *view,
5249 view->scale = scale;
5251 g_object_notify (G_OBJECT (view), "zoom");
5255 ev_view_get_zoom (EvView *view)
5261 ev_view_get_continuous (EvView *view)
5263 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5265 return view->continuous;
5269 ev_view_set_continuous (EvView *view,
5270 gboolean continuous)
5272 g_return_if_fail (EV_IS_VIEW (view));
5274 view->continuous = continuous;
5276 g_object_notify (G_OBJECT (view), "continuous");
5280 ev_view_get_dual_page (EvView *view)
5282 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5284 return view->dual_page;
5288 ev_view_set_dual_page (EvView *view,
5291 g_return_if_fail (EV_IS_VIEW (view));
5293 view->dual_page = dual_page;
5295 g_object_notify (G_OBJECT (view), "dual-page");
5299 ev_view_set_fullscreen (EvView *view,
5300 gboolean fullscreen)
5302 g_return_if_fail (EV_IS_VIEW (view));
5304 view->fullscreen = fullscreen;
5306 g_object_notify (G_OBJECT (view), "fullscreen");
5310 ev_view_get_fullscreen (EvView *view)
5312 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5314 return view->fullscreen;
5318 ev_view_set_presentation (EvView *view,
5319 gboolean presentation)
5321 g_return_if_fail (EV_IS_VIEW (view));
5323 presentation = presentation != FALSE;
5325 if (view->presentation == presentation)
5329 view->presentation_state = EV_PRESENTATION_NORMAL;
5331 view->presentation = presentation;
5332 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5335 view->sizing_mode_saved = view->sizing_mode;
5336 view->scale_saved = view->scale;
5337 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
5339 ev_document_model_set_sizing_mode (view->model, view->sizing_mode_saved);
5340 ev_document_model_set_scale (view->model, view->scale_saved);
5343 gtk_widget_queue_resize (GTK_WIDGET (view));
5346 ev_view_presentation_transition_start (view);
5348 ev_view_presentation_transition_stop (view);
5350 if (view->animation) {
5351 /* stop any running animation */
5352 ev_view_transition_animation_cancel (view->animation, view);
5356 if (GTK_WIDGET_REALIZED (view)) {
5357 if (view->presentation)
5358 gdk_window_set_background (view->layout.bin_window,
5359 >K_WIDGET (view)->style->black);
5361 gdk_window_set_background (view->layout.bin_window,
5362 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
5365 g_object_notify (G_OBJECT (view), "presentation");
5369 ev_view_get_presentation (EvView *view)
5371 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5373 return view->presentation;
5377 transition_next_page (EvView *view)
5379 ev_view_next_page (view);
5385 ev_view_presentation_transition_stop (EvView *view)
5387 if (view->trans_timeout_id > 0)
5388 g_source_remove (view->trans_timeout_id);
5389 view->trans_timeout_id = 0;
5393 ev_view_presentation_transition_start (EvView *view)
5397 if (!EV_IS_DOCUMENT_TRANSITION (view->document))
5400 ev_view_presentation_transition_stop (view);
5402 duration = ev_document_transition_get_page_duration (EV_DOCUMENT_TRANSITION (view->document),
5403 view->current_page);
5405 view->trans_timeout_id =
5406 g_timeout_add_seconds (duration,
5407 (GSourceFunc) transition_next_page,
5413 ev_view_set_sizing_mode (EvView *view,
5414 EvSizingMode sizing_mode)
5416 view->sizing_mode = sizing_mode;
5418 g_object_notify (G_OBJECT (view), "sizing-mode");
5422 ev_view_get_sizing_mode (EvView *view)
5424 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
5426 return view->sizing_mode;
5430 ev_view_can_zoom_in (EvView *view)
5432 return view->scale * ZOOM_IN_FACTOR <= ev_document_model_get_max_scale (view->model);
5436 ev_view_can_zoom_out (EvView *view)
5438 return view->scale * ZOOM_OUT_FACTOR >= ev_document_model_get_min_scale (view->model);
5442 ev_view_zoom_in (EvView *view)
5446 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5448 if (view->presentation)
5451 view->pending_scroll = SCROLL_TO_CENTER;
5452 scale = ev_document_model_get_scale (view->model) * ZOOM_IN_FACTOR;
5453 ev_document_model_set_scale (view->model, scale);
5457 ev_view_zoom_out (EvView *view)
5461 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5463 if (view->presentation)
5466 view->pending_scroll = SCROLL_TO_CENTER;
5467 scale = ev_document_model_get_scale (view->model) * ZOOM_OUT_FACTOR;
5468 ev_document_model_set_scale (view->model, scale);
5472 ev_view_set_rotation (EvView *view, int rotation)
5474 view->rotation = rotation;
5476 g_object_notify (G_OBJECT (view), "rotation");
5480 ev_view_get_rotation (EvView *view)
5482 return view->rotation;
5486 zoom_for_size_fit_width (gdouble doc_width,
5493 scale = (double)target_width / doc_width;
5495 if (doc_height * scale > target_height)
5496 scale = (double)target_width / doc_width;
5502 zoom_for_size_fit_height (gdouble doc_width,
5509 scale = (double)target_height / doc_height;
5511 if (doc_width * scale > target_width)
5512 scale = (double)target_height / doc_height;
5518 zoom_for_size_best_fit (gdouble doc_width,
5526 w_scale = (double)target_width / doc_width;
5527 h_scale = (double)target_height / doc_height;
5529 if (doc_height * w_scale > target_height)
5530 w_scale = (double)target_width / doc_width;
5531 if (doc_width * h_scale > target_width)
5532 h_scale = (double)target_height / doc_height;
5534 return MIN (w_scale, h_scale);
5539 ev_view_zoom_for_size_presentation (EvView *view,
5543 gdouble doc_width, doc_height;
5546 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5547 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5548 ev_document_model_set_scale (view->model, scale);
5552 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
5556 gdouble doc_width, doc_height;
5560 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5561 if (view->rotation == 90 || view->rotation == 270) {
5565 doc_width = doc_height;
5569 compute_border (view, doc_width, doc_height, &border);
5572 width -= (2 * (border.left + border.right) + 3 * view->spacing);
5573 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5575 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5576 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height);
5577 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5578 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5580 g_assert_not_reached ();
5582 ev_document_model_set_scale (view->model, scale);
5586 ev_view_zoom_for_size_continuous (EvView *view,
5590 gdouble doc_width, doc_height;
5594 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5595 if (view->rotation == 90 || view->rotation == 270) {
5599 doc_width = doc_height;
5603 compute_border (view, doc_width, doc_height, &border);
5605 width -= (border.left + border.right + 2 * view->spacing);
5606 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5608 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5609 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height);
5610 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5611 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5613 g_assert_not_reached ();
5615 ev_document_model_set_scale (view->model, scale);
5619 ev_view_zoom_for_size_dual_page (EvView *view,
5624 gdouble doc_width, doc_height;
5628 other_page = view->current_page ^ 1;
5630 /* Find the largest of the two. */
5631 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5632 if (other_page < ev_document_get_n_pages (view->document)) {
5633 gdouble width_2, height_2;
5635 get_doc_page_size (view, other_page, &width_2, &height_2);
5636 if (width_2 > doc_width)
5637 doc_width = width_2;
5638 if (height_2 > doc_height)
5639 doc_height = height_2;
5641 compute_border (view, width, height, &border);
5643 doc_width = doc_width * 2;
5644 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
5645 height -= (border.top + border.bottom + 2 * view->spacing);
5647 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5648 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height);
5649 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5650 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5652 g_assert_not_reached ();
5654 ev_document_model_set_scale (view->model, scale);
5658 ev_view_zoom_for_size_single_page (EvView *view,
5662 gdouble doc_width, doc_height;
5666 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5668 /* Get an approximate border */
5669 compute_border (view, width, height, &border);
5671 width -= (border.left + border.right + 2 * view->spacing);
5672 height -= (border.top + border.bottom + 2 * view->spacing);
5674 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5675 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height);
5676 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5677 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5679 g_assert_not_reached ();
5681 ev_document_model_set_scale (view->model, scale);
5685 ev_view_zoom_for_size (EvView *view,
5689 g_return_if_fail (EV_IS_VIEW (view));
5690 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
5691 view->sizing_mode == EV_SIZING_BEST_FIT);
5692 g_return_if_fail (width >= 0);
5693 g_return_if_fail (height >= 0);
5695 if (view->document == NULL)
5698 if (view->presentation)
5699 ev_view_zoom_for_size_presentation (view, width, height);
5700 else if (view->continuous && view->dual_page)
5701 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height);
5702 else if (view->continuous)
5703 ev_view_zoom_for_size_continuous (view, width, height);
5704 else if (view->dual_page)
5705 ev_view_zoom_for_size_dual_page (view, width, height);
5707 ev_view_zoom_for_size_single_page (view, width, height);
5712 ev_view_find_get_n_results (EvView *view, gint page)
5714 return view->find_pages ? g_list_length (view->find_pages[page]) : 0;
5717 static EvRectangle *
5718 ev_view_find_get_result (EvView *view, gint page, gint result)
5720 return view->find_pages ? (EvRectangle *) g_list_nth_data (view->find_pages[page], result) : NULL;
5724 jump_to_find_result (EvView *view)
5727 gint page = view->current_page;
5729 n_results = ev_view_find_get_n_results (view, page);
5731 if (n_results > 0 && view->find_result < n_results) {
5733 GdkRectangle view_rect;
5735 rect = ev_view_find_get_result (view, page, view->find_result);
5736 doc_rect_to_view_rect (view, page, rect, &view_rect);
5737 ensure_rectangle_is_visible (view, &view_rect);
5738 view->jump_to_find_result = FALSE;
5744 * @view: #EvView instance
5745 * @direction: Direction to look
5746 * @shift: Shift from current page
5748 * Jumps to the first page that has occurences of searched word.
5749 * Uses a direction where to look and a shift from current page.
5753 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
5757 n_pages = ev_document_get_n_pages (view->document);
5759 for (i = 0; i < n_pages; i++) {
5762 if (direction == EV_VIEW_FIND_NEXT)
5763 page = view->current_page + i;
5765 page = view->current_page - i;
5768 if (page >= n_pages) {
5769 page = page - n_pages;
5770 } else if (page < 0)
5771 page = page + n_pages;
5773 if (ev_view_find_get_n_results (view, page) > 0) {
5774 ev_document_model_set_page (view->model, page);
5781 ev_view_find_changed (EvView *view, GList **results, gint page)
5783 view->find_pages = results;
5785 if (view->jump_to_find_result == TRUE) {
5786 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
5787 jump_to_find_result (view);
5790 if (view->current_page == page)
5791 gtk_widget_queue_draw (GTK_WIDGET (view));
5795 ev_view_find_next (EvView *view)
5799 n_results = ev_view_find_get_n_results (view, view->current_page);
5800 view->find_result++;
5802 if (view->find_result >= n_results) {
5803 view->find_result = 0;
5804 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
5805 jump_to_find_result (view);
5807 jump_to_find_result (view);
5808 gtk_widget_queue_draw (GTK_WIDGET (view));
5813 ev_view_find_previous (EvView *view)
5815 view->find_result--;
5817 if (view->find_result < 0) {
5818 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
5819 view->find_result = MAX (0, ev_view_find_get_n_results (view, view->current_page) - 1);
5820 jump_to_find_result (view);
5822 jump_to_find_result (view);
5823 gtk_widget_queue_draw (GTK_WIDGET (view));
5828 ev_view_find_search_changed (EvView *view)
5830 /* search string has changed, focus on new search result */
5831 view->jump_to_find_result = TRUE;
5832 view->find_pages = NULL;
5836 ev_view_find_set_highlight_search (EvView *view, gboolean value)
5838 view->highlight_find_results = value;
5839 gtk_widget_queue_draw (GTK_WIDGET (view));
5843 ev_view_find_cancel (EvView *view)
5845 view->find_pages = NULL;
5848 /*** Selections ***/
5850 /* compute_new_selection_rect/text calculates the area currently selected by
5851 * view_rect. each handles a different mode;
5854 compute_new_selection_rect (EvView *view,
5858 GdkRectangle view_rect;
5862 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
5864 view_rect.x = MIN (start->x, stop->x);
5865 view_rect.y = MIN (start->y, stop->y);
5866 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
5867 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
5869 n_pages = ev_document_get_n_pages (view->document);
5871 for (i = 0; i < n_pages; i++) {
5872 GdkRectangle page_area;
5875 if (get_page_extents (view, i, &page_area, &border)) {
5876 GdkRectangle overlap;
5878 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
5879 EvViewSelection *selection;
5881 selection = g_new0 (EvViewSelection, 1);
5882 selection->page = i;
5883 view_rect_to_doc_rect (view, &overlap, &page_area,
5884 &(selection->rect));
5886 list = g_list_append (list, selection);
5895 gdk_rectangle_point_in (GdkRectangle *rectangle,
5898 return rectangle->x <= point->x &&
5899 rectangle->y <= point->y &&
5900 point->x < rectangle->x + rectangle->width &&
5901 point->y < rectangle->y + rectangle->height;
5905 compute_new_selection_text (EvView *view,
5906 EvSelectionStyle style,
5910 int n_pages, i, first, last;
5912 EvViewSelection *selection;
5913 gdouble width, height;
5914 int start_page, end_page;
5916 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
5918 n_pages = ev_document_get_n_pages (view->document);
5920 /* First figure out the range of pages the selection
5924 if (view->continuous) {
5927 } else if (view->dual_page) {
5928 start_page = view->start_page;
5929 end_page = view->end_page + 1;
5931 start_page = view->current_page;
5932 end_page = view->current_page + 1;
5935 for (i = start_page; i < end_page; i++) {
5936 GdkRectangle page_area;
5939 get_page_extents (view, i, &page_area, &border);
5940 if (gdk_rectangle_point_in (&page_area, start) ||
5941 gdk_rectangle_point_in (&page_area, stop)) {
5942 if (first == n_pages)
5949 /* Now create a list of EvViewSelection's for the affected
5950 * pages. This could be an empty list, a list of just one
5951 * page or a number of pages.*/
5952 for (i = first; i < last + 1; i++) {
5953 GdkRectangle page_area;
5957 get_doc_page_size (view, i, &width, &height);
5959 selection = g_new0 (EvViewSelection, 1);
5960 selection->page = i;
5961 selection->style = style;
5962 selection->rect.x1 = selection->rect.y1 = 0;
5963 selection->rect.x2 = width;
5964 selection->rect.y2 = height;
5966 get_page_extents (view, i, &page_area, &border);
5968 if (gdk_rectangle_point_in (&page_area, start))
5974 view_point_to_doc_point (view, point, &page_area,
5975 &selection->rect.x1,
5976 &selection->rect.y1);
5978 /* If the selection is contained within just one page,
5979 * make sure we don't write 'start' into both points
5980 * in selection->rect. */
5985 view_point_to_doc_point (view, point, &page_area,
5986 &selection->rect.x2,
5987 &selection->rect.y2);
5989 list = g_list_append (list, selection);
5995 /* This function takes the newly calculated list, and figures out which regions
5996 * have changed. It then queues a redraw approporiately.
5999 merge_selection_region (EvView *view,
6003 GList *new_list_ptr, *old_list_ptr;
6005 /* Update the selection */
6006 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
6007 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
6008 g_list_free (view->selection_info.selections);
6009 view->selection_info.selections = new_list;
6010 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
6011 g_object_notify (G_OBJECT (view), "has-selection");
6013 new_list_ptr = new_list;
6014 old_list_ptr = old_list;
6016 while (new_list_ptr || old_list_ptr) {
6017 EvViewSelection *old_sel, *new_sel;
6019 GdkRegion *region = NULL;
6021 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
6022 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
6024 /* Assume that the lists are in order, and we run through them
6025 * comparing them, one page at a time. We come out with the
6026 * first page we see. */
6027 if (new_sel && old_sel) {
6028 if (new_sel->page < old_sel->page) {
6029 new_list_ptr = new_list_ptr->next;
6031 } else if (new_sel->page > old_sel->page) {
6032 old_list_ptr = old_list_ptr->next;
6035 new_list_ptr = new_list_ptr->next;
6036 old_list_ptr = old_list_ptr->next;
6038 } else if (new_sel) {
6039 new_list_ptr = new_list_ptr->next;
6040 } else if (old_sel) {
6041 old_list_ptr = old_list_ptr->next;
6044 g_assert (new_sel || old_sel);
6046 /* is the page we're looking at on the screen?*/
6047 cur_page = new_sel ? new_sel->page : old_sel->page;
6048 if (cur_page < view->start_page || cur_page > view->end_page)
6051 /* seed the cache with a new page. We are going to need the new
6054 GdkRegion *tmp_region = NULL;
6056 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
6062 new_sel->covered_region = gdk_region_copy (tmp_region);
6066 /* Now we figure out what needs redrawing */
6067 if (old_sel && new_sel) {
6068 if (old_sel->covered_region && new_sel->covered_region) {
6069 /* We only want to redraw the areas that have
6070 * changed, so we xor the old and new regions
6071 * and redraw if it's different */
6072 region = gdk_region_copy (old_sel->covered_region);
6073 gdk_region_xor (region, new_sel->covered_region);
6074 if (gdk_region_empty (region)) {
6075 gdk_region_destroy (region);
6078 } else if (old_sel->covered_region) {
6079 region = gdk_region_copy (old_sel->covered_region);
6080 } else if (new_sel->covered_region) {
6081 region = gdk_region_copy (new_sel->covered_region);
6083 } else if (old_sel && !new_sel) {
6084 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
6085 region = gdk_region_copy (old_sel->covered_region);
6087 } else if (!old_sel && new_sel) {
6088 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
6089 region = gdk_region_copy (new_sel->covered_region);
6092 g_assert_not_reached ();
6095 /* Redraw the damaged region! */
6097 GdkRectangle page_area;
6100 /* I don't know why but the region is smaller
6101 * than expected. This hack fixes it, I guess
6102 * 10 pixels more won't hurt
6104 gdk_region_shrink (region, -5, -5);
6106 get_page_extents (view, cur_page, &page_area, &border);
6107 gdk_region_offset (region,
6108 page_area.x + border.left - view->scroll_x,
6109 page_area.y + border.top - view->scroll_y);
6110 gdk_window_invalidate_region (view->layout.bin_window, region, TRUE);
6111 gdk_region_destroy (region);
6115 /* Free the old list, now that we're done with it. */
6116 g_list_foreach (old_list, (GFunc) selection_free, NULL);
6117 g_list_free (old_list);
6121 compute_selections (EvView *view,
6122 EvSelectionStyle style,
6128 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
6129 list = compute_new_selection_rect (view, start, stop);
6131 list = compute_new_selection_text (view, style, start, stop);
6132 merge_selection_region (view, list);
6135 /* Free's the selection. It's up to the caller to queue redraws if needed.
6138 selection_free (EvViewSelection *selection)
6140 if (selection->covered_region)
6141 gdk_region_destroy (selection->covered_region);
6146 clear_selection (EvView *view)
6148 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
6149 g_list_free (view->selection_info.selections);
6150 view->selection_info.selections = NULL;
6151 view->selection_info.in_selection = FALSE;
6152 if (view->pixbuf_cache)
6153 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
6154 g_object_notify (G_OBJECT (view), "has-selection");
6158 ev_view_select_all (EvView *view)
6160 GList *selections = NULL;
6163 /* Disable selection on rotated pages for the 0.4.0 series */
6164 if (view->rotation != 0)
6167 clear_selection (view);
6169 n_pages = ev_document_get_n_pages (view->document);
6170 for (i = 0; i < n_pages; i++) {
6171 gdouble width, height;
6172 EvViewSelection *selection;
6174 get_doc_page_size (view, i, &width, &height);
6176 selection = g_new0 (EvViewSelection, 1);
6177 selection->page = i;
6178 selection->style = EV_SELECTION_STYLE_GLYPH;
6179 selection->rect.x1 = selection->rect.y1 = 0;
6180 selection->rect.x2 = width;
6181 selection->rect.y2 = height;
6183 selections = g_list_append (selections, selection);
6186 merge_selection_region (view, selections);
6187 gtk_widget_queue_draw (GTK_WIDGET (view));
6191 ev_view_get_has_selection (EvView *view)
6193 return view->selection_info.selections != NULL;
6197 get_selected_text (EvView *view)
6201 gchar *normalized_text;
6202 EvRenderContext *rc;
6204 text = g_string_new (NULL);
6205 rc = ev_render_context_new (NULL, view->rotation, view->scale);
6207 ev_document_doc_mutex_lock ();
6209 for (l = view->selection_info.selections; l != NULL; l = l->next) {
6210 EvViewSelection *selection = (EvViewSelection *)l->data;
6214 page = ev_document_get_page (view->document, selection->page);
6215 ev_render_context_set_page (rc, page);
6216 g_object_unref (page);
6218 tmp = ev_selection_get_selected_text (EV_SELECTION (view->document),
6219 rc, selection->style,
6220 &(selection->rect));
6222 g_string_append (text, tmp);
6226 g_object_unref (rc);
6228 ev_document_doc_mutex_unlock ();
6230 normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC);
6231 g_string_free (text, TRUE);
6232 return normalized_text;
6236 ev_view_clipboard_copy (EvView *view,
6239 GtkClipboard *clipboard;
6241 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
6242 GDK_SELECTION_CLIPBOARD);
6243 gtk_clipboard_set_text (clipboard, text, -1);
6247 ev_view_copy (EvView *ev_view)
6251 if (!EV_IS_SELECTION (ev_view->document))
6254 text = get_selected_text (ev_view);
6255 ev_view_clipboard_copy (ev_view, text);
6260 ev_view_primary_get_cb (GtkClipboard *clipboard,
6261 GtkSelectionData *selection_data,
6265 EvView *ev_view = EV_VIEW (data);
6267 if (ev_view->link_selected) {
6268 gtk_selection_data_set_text (selection_data,
6269 ev_link_action_get_uri (ev_view->link_selected),
6271 } else if (EV_IS_SELECTION (ev_view->document) &&
6272 ev_view->selection_info.selections) {
6275 text = get_selected_text (ev_view);
6277 gtk_selection_data_set_text (selection_data, text, -1);
6284 ev_view_primary_clear_cb (GtkClipboard *clipboard,
6287 EvView *view = EV_VIEW (data);
6289 clear_selection (view);
6290 clear_link_selected (view);
6294 ev_view_update_primary_selection (EvView *ev_view)
6296 GtkClipboard *clipboard;
6298 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
6299 GDK_SELECTION_PRIMARY);
6301 if (ev_view->selection_info.selections || ev_view->link_selected) {
6302 GtkTargetList *target_list;
6303 GtkTargetEntry *targets;
6306 target_list = gtk_target_list_new (NULL, 0);
6307 gtk_target_list_add_text_targets (target_list, 0);
6308 targets = gtk_target_table_new_from_list (target_list, &n_targets);
6309 gtk_target_list_unref (target_list);
6311 if (!gtk_clipboard_set_with_owner (clipboard,
6313 ev_view_primary_get_cb,
6314 ev_view_primary_clear_cb,
6315 G_OBJECT (ev_view)))
6316 ev_view_primary_clear_cb (clipboard, ev_view);
6318 gtk_target_table_free (targets, n_targets);
6320 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
6321 gtk_clipboard_clear (clipboard);
6326 clear_link_selected (EvView *view)
6328 if (view->link_selected) {
6329 g_object_unref (view->link_selected);
6330 view->link_selected = NULL;
6335 ev_view_copy_link_address (EvView *view,
6336 EvLinkAction *action)
6338 clear_link_selected (view);
6340 ev_view_clipboard_copy (view, ev_link_action_get_uri (action));
6342 view->link_selected = g_object_ref (action);
6343 ev_view_update_primary_selection (view);
6346 /*** Cursor operations ***/
6349 ev_view_create_invisible_cursor(void)
6352 GdkColor black = { 0, 0, 0, 0 };
6353 static char bits[] = { 0x00 };
6355 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
6357 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
6361 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
6363 GdkCursor *cursor = NULL;
6364 GdkDisplay *display;
6367 if (view->cursor == new_cursor) {
6371 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
6372 display = gtk_widget_get_display (widget);
6373 view->cursor = new_cursor;
6375 switch (new_cursor) {
6376 case EV_VIEW_CURSOR_NORMAL:
6377 gdk_window_set_cursor (view->layout.bin_window, NULL);
6379 case EV_VIEW_CURSOR_IBEAM:
6380 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
6382 case EV_VIEW_CURSOR_LINK:
6383 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
6385 case EV_VIEW_CURSOR_WAIT:
6386 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
6388 case EV_VIEW_CURSOR_HIDDEN:
6389 cursor = ev_view_create_invisible_cursor ();
6391 case EV_VIEW_CURSOR_DRAG:
6392 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
6394 case EV_VIEW_CURSOR_AUTOSCROLL:
6395 cursor = gdk_cursor_new_for_display (display, GDK_DOUBLE_ARROW);
6400 gdk_window_set_cursor (view->layout.bin_window, cursor);
6401 gdk_cursor_unref (cursor);
6407 ev_view_hide_cursor (EvView *view)
6409 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
6413 ev_view_show_cursor (EvView *view)
6415 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
6419 ev_view_reset_presentation_state (EvView *view)
6421 if (!view->presentation ||
6422 view->presentation_state == EV_PRESENTATION_NORMAL)
6425 view->presentation_state = EV_PRESENTATION_NORMAL;
6426 gdk_window_set_background (view->layout.bin_window,
6427 >K_WIDGET (view)->style->black);
6428 gtk_widget_queue_draw (GTK_WIDGET (view));
6432 ev_view_next_page (EvView *view)
6436 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
6438 if (!view->document)
6441 if (view->presentation &&
6442 (view->presentation_state == EV_PRESENTATION_BLACK ||
6443 view->presentation_state == EV_PRESENTATION_WHITE)) {
6444 ev_view_reset_presentation_state (view);
6448 if (view->animation) {
6449 ev_view_transition_animation_cancel (view->animation, view);
6452 ev_view_presentation_transition_stop (view);
6453 ev_view_reset_presentation_state (view);
6455 page = ev_document_model_get_page (view->model);
6456 n_pages = ev_document_get_n_pages (view->document);
6458 if (view->dual_page && !view->presentation)
6463 if (page < n_pages) {
6464 ev_document_model_set_page (view->model, page);
6466 } else if (view->presentation && page == n_pages) {
6467 view->presentation_state = EV_PRESENTATION_END;
6468 gtk_widget_queue_draw (GTK_WIDGET (view));
6470 } else if (view->dual_page && page == n_pages) {
6471 ev_document_model_set_page (view->model, page - 1);
6479 ev_view_previous_page (EvView *view)
6483 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
6485 if (!view->document)
6488 if (view->presentation &&
6489 view->presentation_state == EV_PRESENTATION_END) {
6490 ev_view_reset_presentation_state (view);
6494 if (view->presentation &&
6495 (view->presentation_state == EV_PRESENTATION_BLACK ||
6496 view->presentation_state == EV_PRESENTATION_WHITE)) {
6497 ev_view_reset_presentation_state (view);
6501 if (view->animation) {
6502 ev_view_transition_animation_cancel (view->animation, view);
6505 ev_view_reset_presentation_state (view);
6507 page = ev_document_model_get_page (view->model);
6509 if (view->dual_page && !view->presentation)
6515 ev_document_model_set_page (view->model, page);
6517 } else if (ev_view_get_dual_page (view) && page == -1) {
6518 ev_document_model_set_page (view->model, 0);