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 scroll_to_current_page (EvView *view,
91 GtkOrientation orientation);
92 static void ev_view_set_scroll_adjustments (GtkLayout *layout,
93 GtkAdjustment *hadjustment,
94 GtkAdjustment *vadjustment);
95 static void view_update_range_and_current_page (EvView *view);
96 static void set_scroll_adjustment (EvView *view,
97 GtkOrientation orientation,
98 GtkAdjustment *adjustment);
99 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
101 GdkModifierType modifiers,
102 GtkScrollType scroll,
103 gboolean horizontal);
104 static void ensure_rectangle_is_visible (EvView *view,
107 /*** Geometry computations ***/
108 static void compute_border (EvView *view,
112 static void get_page_y_offset (EvView *view,
115 static gboolean get_page_extents (EvView *view,
117 GdkRectangle *page_area,
119 static void view_rect_to_doc_rect (EvView *view,
120 GdkRectangle *view_rect,
121 GdkRectangle *page_area,
122 EvRectangle *doc_rect);
123 static void doc_rect_to_view_rect (EvView *view,
125 EvRectangle *doc_rect,
126 GdkRectangle *view_rect);
127 static gboolean get_dual_even_left (EvView *view);
128 static void find_page_at_location (EvView *view,
134 static gboolean doc_point_to_view_point (EvView *view,
137 GdkPoint *view_point);
139 static EvLink * ev_view_get_link_at_location (EvView *view,
142 static char* tip_from_link (EvView *view,
145 static EvFormField *ev_view_get_form_field_at_location (EvView *view,
149 /*** Annotations ***/
150 static EvAnnotation *ev_view_get_annotation_at_location (EvView *view,
153 static void show_annotation_windows (EvView *view,
155 static void hide_annotation_windows (EvView *view,
157 /*** GtkWidget implementation ***/
158 static void ev_view_size_request_continuous_dual_page (EvView *view,
159 GtkRequisition *requisition);
160 static void ev_view_size_request_continuous (EvView *view,
161 GtkRequisition *requisition);
162 static void ev_view_size_request_dual_page (EvView *view,
163 GtkRequisition *requisition);
164 static void ev_view_size_request_single_page (EvView *view,
165 GtkRequisition *requisition);
166 static void ev_view_size_request (GtkWidget *widget,
167 GtkRequisition *requisition);
168 static void ev_view_size_allocate (GtkWidget *widget,
169 GtkAllocation *allocation);
170 static void ev_view_realize (GtkWidget *widget);
171 static gboolean ev_view_scroll_event (GtkWidget *widget,
172 GdkEventScroll *event);
173 static gboolean ev_view_expose_event (GtkWidget *widget,
174 GdkEventExpose *event);
175 static gboolean ev_view_popup_menu (GtkWidget *widget);
176 static gboolean ev_view_button_press_event (GtkWidget *widget,
177 GdkEventButton *event);
178 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
179 GdkEventMotion *event);
180 static gboolean ev_view_button_release_event (GtkWidget *widget,
181 GdkEventButton *event);
182 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
183 GdkEventCrossing *event);
184 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
185 GdkEventCrossing *event);
186 static void ev_view_style_set (GtkWidget *widget,
187 GtkStyle *old_style);
188 static void ev_view_remove_all (EvView *view);
190 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
193 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
194 static void draw_rubberband (GtkWidget *widget,
196 const GdkRectangle *rect,
198 static void highlight_find_results (EvView *view,
200 static void draw_one_page (EvView *view,
203 GdkRectangle *page_area,
205 GdkRectangle *expose_area,
206 gboolean *page_ready);
207 static void draw_loading_text (EvView *view,
208 GdkRectangle *page_area,
209 GdkRectangle *expose_area);
210 static void ev_view_reload_page (EvView *view,
215 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
218 static void ev_view_page_changed_cb (EvDocumentModel *model,
222 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
226 static void ev_view_finalize (GObject *object);
227 static void ev_view_destroy (GtkObject *object);
228 static void ev_view_set_property (GObject *object,
232 static void ev_view_get_property (GObject *object,
236 static void ev_view_class_init (EvViewClass *class);
237 static void ev_view_init (EvView *view);
239 /*** Zoom and sizing ***/
240 static double zoom_for_size_fit_width (gdouble doc_width,
244 static double zoom_for_size_fit_height (gdouble doc_width,
248 static double zoom_for_size_best_fit (gdouble doc_width,
252 static void ev_view_zoom_for_size (EvView *view,
255 static void ev_view_zoom_for_size_presentation (EvView *view,
258 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
261 static void ev_view_zoom_for_size_continuous (EvView *view,
264 static void ev_view_zoom_for_size_dual_page (EvView *view,
267 static void ev_view_zoom_for_size_single_page (EvView *view,
271 static GdkCursor* ev_view_create_invisible_cursor (void);
272 static void ev_view_set_cursor (EvView *view,
273 EvViewCursor new_cursor);
274 static void ev_view_handle_cursor_over_xy (EvView *view,
279 static gint ev_view_find_get_n_results (EvView *view,
281 static EvRectangle *ev_view_find_get_result (EvView *view,
284 static void jump_to_find_result (EvView *view);
285 static void jump_to_find_page (EvView *view,
286 EvViewFindDirection direction,
290 static void compute_selections (EvView *view,
291 EvSelectionStyle style,
294 static void clear_selection (EvView *view);
295 static void clear_link_selected (EvView *view);
296 static void selection_free (EvViewSelection *selection);
297 static char* get_selected_text (EvView *ev_view);
298 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
299 GtkSelectionData *selection_data,
302 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
304 static void ev_view_update_primary_selection (EvView *ev_view);
306 /*** Presentation ***/
307 static void ev_view_presentation_transition_start (EvView *ev_view);
308 static void ev_view_presentation_transition_stop (EvView *ev_view);
311 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_LAYOUT)
313 /* HeightToPage cache */
314 #define EV_HEIGHT_TO_PAGE_CACHE_KEY "ev-height-to-page-cache"
317 build_height_to_page (EvHeightToPageCache *cache,
318 EvDocument *document,
321 gboolean swap, uniform, dual_even_left;
323 double uniform_height, page_height, next_page_height;
325 gdouble u_width, u_height;
328 swap = (rotation == 90 || rotation == 270);
330 uniform = ev_document_is_page_size_uniform (document);
331 n_pages = ev_document_get_n_pages (document);
332 dual_even_left = (n_pages > 2);
334 g_free (cache->height_to_page);
335 g_free (cache->dual_height_to_page);
337 cache->rotation = rotation;
338 cache->height_to_page = g_new0 (gdouble, n_pages + 1);
339 cache->dual_height_to_page = g_new0 (gdouble, n_pages + 2);
342 ev_document_get_page_size (document, 0, &u_width, &u_height);
345 for (i = 0; i <= n_pages; i++) {
347 uniform_height = swap ? u_width : u_height;
348 cache->height_to_page[i] = i * uniform_height;
353 ev_document_get_page_size (document, i, &w, &h);
354 page_height = swap ? w : h;
358 cache->height_to_page[i] = saved_height;
359 saved_height += page_height;
363 if (dual_even_left && !uniform) {
366 ev_document_get_page_size (document, 0, &w, &h);
367 saved_height = swap ? w : h;
372 for (i = dual_even_left; i < n_pages + 2; i += 2) {
374 uniform_height = swap ? u_width : u_height;
375 cache->dual_height_to_page[i] = ((i + dual_even_left) / 2) * uniform_height;
376 if (i + 1 < n_pages + 2)
377 cache->dual_height_to_page[i + 1] = ((i + dual_even_left) / 2) * uniform_height;
379 if (i + 1 < n_pages) {
382 ev_document_get_page_size (document, i + 1, &w, &h);
383 next_page_height = swap ? w : h;
385 next_page_height = 0;
391 ev_document_get_page_size (document, i, &w, &h);
392 page_height = swap ? w : h;
397 if (i + 1 < n_pages + 2) {
398 cache->dual_height_to_page[i] = saved_height;
399 cache->dual_height_to_page[i + 1] = saved_height;
400 saved_height += MAX(page_height, next_page_height);
402 cache->dual_height_to_page[i] = saved_height;
409 ev_height_to_page_cache_get_height (EvHeightToPageCache *cache,
410 EvDocument *document,
414 gdouble *dual_height)
416 if (cache->rotation != rotation)
417 build_height_to_page (cache, document, rotation);
419 *height = cache->height_to_page[page];
420 *dual_height = cache->dual_height_to_page[page];
424 ev_height_to_page_cache_free (EvHeightToPageCache *cache)
426 if (cache->height_to_page) {
427 g_free (cache->height_to_page);
428 cache->height_to_page = NULL;
431 if (cache->dual_height_to_page) {
432 g_free (cache->dual_height_to_page);
433 cache->dual_height_to_page = NULL;
438 static EvHeightToPageCache *
439 ev_view_get_height_to_page_cache (EvView *view)
441 EvHeightToPageCache *cache;
446 cache = g_object_get_data (G_OBJECT (view->document), EV_HEIGHT_TO_PAGE_CACHE_KEY);
448 cache = g_new0 (EvHeightToPageCache, 1);
449 build_height_to_page (cache, view->document, view->rotation);
450 g_object_set_data_full (G_OBJECT (view->document),
451 EV_HEIGHT_TO_PAGE_CACHE_KEY,
453 (GDestroyNotify)ev_height_to_page_cache_free);
460 ev_view_get_height_to_page (EvView *view,
467 if (!view->height_to_page_cache)
470 ev_height_to_page_cache_get_height (view->height_to_page_cache,
476 *height = (gint)(h * view->scale + 0.5);
479 *dual_height = (gint)(dh * view->scale + 0.5);
483 scroll_to_current_page (EvView *view, GtkOrientation orientation)
487 if (view->document == NULL) {
491 doc_point_to_view_point (view, view->current_page, &view->pending_point, &view_point);
493 if (orientation == GTK_ORIENTATION_VERTICAL) {
494 view->pending_point.y = 0;
496 view->pending_point.x = 0;
499 if (orientation == GTK_ORIENTATION_VERTICAL) {
500 if (view->continuous) {
501 gtk_adjustment_clamp_page (view->vadjustment,
502 view_point.y - view->spacing / 2,
503 view_point.y + view->vadjustment->page_size);
505 gtk_adjustment_set_value (view->vadjustment,
507 view->vadjustment->lower,
508 view->vadjustment->upper -
509 view->vadjustment->page_size));
512 if (view->dual_page) {
513 gtk_adjustment_clamp_page (view->hadjustment,
515 view_point.x + view->hadjustment->page_size);
517 gtk_adjustment_set_value (view->hadjustment,
519 view->hadjustment->lower,
520 view->hadjustment->upper -
521 view->hadjustment->page_size));
527 view_set_adjustment_values (EvView *view,
528 GtkOrientation orientation)
530 GtkWidget *widget = GTK_WIDGET (view);
531 GtkAdjustment *adjustment;
538 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
539 requisition = widget->requisition.width;
540 allocation = widget->allocation.width;
541 adjustment = view->hadjustment;
543 requisition = widget->requisition.height;
544 allocation = widget->allocation.height;
545 adjustment = view->vadjustment;
552 switch (view->pending_scroll) {
553 case SCROLL_TO_KEEP_POSITION:
554 case SCROLL_TO_FIND_LOCATION:
555 factor = (adjustment->value) / adjustment->upper;
557 case SCROLL_TO_PAGE_POSITION:
559 case SCROLL_TO_CENTER:
560 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
564 adjustment->page_size = allocation;
565 adjustment->step_increment = allocation * 0.1;
566 adjustment->page_increment = allocation * 0.9;
567 adjustment->lower = 0;
568 adjustment->upper = MAX (allocation, requisition);
571 * We add 0.5 to the values before to average out our rounding errors.
573 switch (view->pending_scroll) {
574 case SCROLL_TO_KEEP_POSITION:
575 case SCROLL_TO_FIND_LOCATION:
576 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
577 gtk_adjustment_set_value (adjustment, (int)new_value);
579 case SCROLL_TO_PAGE_POSITION:
580 scroll_to_current_page (view, orientation);
582 case SCROLL_TO_CENTER:
583 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
584 0, adjustment->upper - adjustment->page_size);
585 gtk_adjustment_set_value (adjustment, (int)new_value);
589 gtk_adjustment_changed (adjustment);
593 view_update_range_and_current_page (EvView *view)
596 gint best_current_page = -1;
597 gint start = view->start_page;
598 gint end = view->end_page;
600 /* Presentation trumps all other modes */
601 if (view->presentation) {
602 view->start_page = view->current_page;
603 view->end_page = view->current_page;
604 } else if (view->continuous) {
605 GdkRectangle current_area, unused, page_area;
607 gboolean found = FALSE;
608 gint area_max = -1, area;
611 if (!(view->vadjustment && view->hadjustment))
614 current_area.x = view->hadjustment->value;
615 current_area.width = view->hadjustment->upper;
616 current_area.y = view->vadjustment->value;
617 current_area.height = view->vadjustment->page_size;
619 for (i = 0; i < ev_document_get_n_pages (view->document); i++) {
621 get_page_extents (view, i, &page_area, &border);
623 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
624 area = unused.width * unused.height;
628 view->start_page = i;
630 best_current_page = i;
632 if (area > area_max) {
633 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
638 } else if (found && view->current_page <= view->end_page) {
643 } else if (view->dual_page) {
644 if (view->current_page % 2 == get_dual_even_left (view)) {
645 view->start_page = view->current_page;
646 if (view->current_page + 1 < ev_document_get_n_pages (view->document))
647 view->end_page = view->start_page + 1;
649 view->end_page = view->start_page;
651 if (view->current_page < 1)
652 view->start_page = view->current_page;
654 view->start_page = view->current_page - 1;
655 view->end_page = view->current_page;
658 view->start_page = view->current_page;
659 view->end_page = view->current_page;
662 best_current_page = MAX (best_current_page, view->start_page);
663 current_page = ev_document_model_get_page (view->model);
665 if ((current_page != best_current_page) && (view->pending_scroll == SCROLL_TO_KEEP_POSITION)) {
666 view->current_page = best_current_page;
667 ev_document_model_set_page (view->model, best_current_page);
670 if (start != view->start_page || end != view->end_page) {
673 for (i = start; i < view->start_page; i++) {
674 hide_annotation_windows (view, i);
677 for (i = end; i > view->end_page; i--) {
678 hide_annotation_windows (view, i);
682 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
687 view->selection_info.selections);
691 set_scroll_adjustment (EvView *view,
692 GtkOrientation orientation,
693 GtkAdjustment *adjustment)
695 GtkAdjustment **to_set;
697 if (orientation == GTK_ORIENTATION_HORIZONTAL)
698 to_set = &view->hadjustment;
700 to_set = &view->vadjustment;
702 if (*to_set != adjustment) {
704 g_signal_handlers_disconnect_by_func (*to_set,
705 (gpointer) on_adjustment_value_changed,
707 g_object_unref (*to_set);
710 *to_set = adjustment;
711 view_set_adjustment_values (view, orientation);
714 g_object_ref (*to_set);
715 g_signal_connect (*to_set, "value_changed",
716 G_CALLBACK (on_adjustment_value_changed), view);
722 ev_view_set_scroll_adjustments (GtkLayout *layout,
723 GtkAdjustment *hadjustment,
724 GtkAdjustment *vadjustment)
726 EvView *view = EV_VIEW (layout);
728 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
729 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
731 on_adjustment_value_changed (NULL, view);
735 add_scroll_binding_keypad (GtkBindingSet *binding_set,
737 GdkModifierType modifiers,
738 GtkScrollType scroll,
741 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
743 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
744 "binding_activated", 2,
745 GTK_TYPE_SCROLL_TYPE, scroll,
746 G_TYPE_BOOLEAN, horizontal);
747 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
748 "binding_activated", 2,
749 GTK_TYPE_SCROLL_TYPE, scroll,
750 G_TYPE_BOOLEAN, horizontal);
754 ev_view_scroll (EvView *view,
755 GtkScrollType scroll,
758 GtkAdjustment *adjustment;
759 double value, increment;
760 gboolean first_page = FALSE;
761 gboolean last_page = FALSE;
763 view->jump_to_find_result = FALSE;
765 if (view->presentation || view->sizing_mode == EV_SIZING_BEST_FIT) {
767 case GTK_SCROLL_PAGE_BACKWARD:
768 case GTK_SCROLL_STEP_BACKWARD:
769 ev_view_previous_page (view);
771 case GTK_SCROLL_PAGE_FORWARD:
772 case GTK_SCROLL_STEP_FORWARD:
773 ev_view_next_page (view);
781 /* Assign values for increment and vertical adjustment */
782 adjustment = horizontal ? view->hadjustment : view->vadjustment;
783 increment = adjustment->page_size * 0.75;
784 value = adjustment->value;
786 /* Assign boolean for first and last page */
787 if (view->current_page == 0)
789 if (view->current_page == ev_document_get_n_pages (view->document) - 1)
793 case GTK_SCROLL_PAGE_BACKWARD:
794 /* Do not jump backwards if at the first page */
795 if (value == (adjustment->lower) && first_page) {
797 /* At the top of a page, assign the upper bound limit of previous page */
798 } else if (value == (adjustment->lower)) {
799 value = adjustment->upper - adjustment->page_size;
800 ev_view_previous_page (view);
801 /* Jump to the top */
803 value = MAX (value - increment, adjustment->lower);
806 case GTK_SCROLL_PAGE_FORWARD:
807 /* Do not jump forward if at the last page */
808 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
810 /* At the bottom of a page, assign the lower bound limit of next page */
811 } else if (value == (adjustment->upper - adjustment->page_size)) {
813 ev_view_next_page (view);
814 /* Jump to the bottom */
816 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
819 case GTK_SCROLL_STEP_BACKWARD:
820 value -= adjustment->step_increment;
822 case GTK_SCROLL_STEP_FORWARD:
823 value += adjustment->step_increment;
825 case GTK_SCROLL_STEP_DOWN:
826 value -= adjustment->step_increment / 10;
828 case GTK_SCROLL_STEP_UP:
829 value += adjustment->step_increment / 10;
835 value = CLAMP (value, adjustment->lower,
836 adjustment->upper - adjustment->page_size);
838 gtk_adjustment_set_value (adjustment, value);
844 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
846 GtkWidget *widget = GTK_WIDGET (view);
847 GtkAdjustment *adjustment;
850 view->pending_scroll = SCROLL_TO_FIND_LOCATION;
852 adjustment = view->vadjustment;
854 if (rect->y < adjustment->value) {
855 value = MAX (adjustment->lower, rect->y - MARGIN);
856 gtk_adjustment_set_value (view->vadjustment, value);
857 } else if (rect->y + rect->height >
858 adjustment->value + widget->allocation.height) {
859 value = MIN (adjustment->upper, rect->y + rect->height -
860 widget->allocation.height + MARGIN);
861 gtk_adjustment_set_value (view->vadjustment, value);
864 adjustment = view->hadjustment;
866 if (rect->x < adjustment->value) {
867 value = MAX (adjustment->lower, rect->x - MARGIN);
868 gtk_adjustment_set_value (view->hadjustment, value);
869 } else if (rect->x + rect->height >
870 adjustment->value + widget->allocation.width) {
871 value = MIN (adjustment->upper, rect->x + rect->width -
872 widget->allocation.width + MARGIN);
873 gtk_adjustment_set_value (view->hadjustment, value);
876 gtk_widget_queue_resize (GTK_WIDGET (view));
879 /*** Geometry computations ***/
882 compute_border (EvView *view, int width, int height, GtkBorder *border)
884 if (view->presentation) {
890 ev_document_misc_get_page_border_size (width, height, border);
895 _get_page_size_for_scale_and_rotation (EvDocument *document,
905 ev_document_get_page_size (document, page, &w, &h);
907 width = (gint)(w * scale + 0.5);
908 height = (gint)(h * scale + 0.5);
911 *page_width = (rotation == 0 || rotation == 180) ? width : height;
913 *page_height = (rotation == 0 || rotation == 180) ? height : width;
917 ev_view_get_page_size (EvView *view,
922 _get_page_size_for_scale_and_rotation (view->document,
931 ev_view_get_max_page_size (EvView *view,
938 ev_document_get_max_page_size (view->document, &w, &h);
940 width = (gint)(w * view->scale + 0.5);
941 height = (gint)(h * view->scale + 0.5);
944 *max_width = (view->rotation == 0 || view->rotation == 180) ? width : height;
946 *max_height = (view->rotation == 0 || view->rotation == 180) ? height : width;
950 get_page_y_offset (EvView *view, int page, int *y_offset)
952 int max_width, offset;
955 g_return_if_fail (y_offset != NULL);
957 ev_view_get_max_page_size (view, &max_width, NULL);
958 compute_border (view, max_width, max_width, &border);
960 if (view->dual_page) {
961 ev_view_get_height_to_page (view, page, NULL, &offset);
962 offset += ((page + get_dual_even_left (view)) / 2 + 1) * view->spacing +
963 ((page + get_dual_even_left (view)) / 2 ) * (border.top + border.bottom);
965 ev_view_get_height_to_page (view, page, &offset, NULL);
966 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
974 get_page_extents (EvView *view,
976 GdkRectangle *page_area,
982 widget = GTK_WIDGET (view);
984 /* Get the size of the page */
985 ev_view_get_page_size (view, page, &width, &height);
986 compute_border (view, width, height, border);
987 page_area->width = width + border->left + border->right;
988 page_area->height = height + border->top + border->bottom;
990 if (view->presentation) {
991 page_area->x = (MAX (0, widget->allocation.width - width))/2;
992 page_area->y = (MAX (0, widget->allocation.height - height))/2;
993 } else if (view->continuous) {
997 ev_view_get_max_page_size (view, &max_width, NULL);
998 max_width = max_width + border->left + border->right;
999 /* Get the location of the bounding box */
1000 if (view->dual_page) {
1001 x = view->spacing + ((page % 2 == get_dual_even_left (view)) ? 0 : 1) * (max_width + view->spacing);
1002 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
1003 if (page % 2 == get_dual_even_left (view))
1004 x = x + (max_width - width - border->left - border->right);
1007 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
1010 get_page_y_offset (view, page, &y);
1016 if (view->dual_page) {
1017 gint width_2, height_2;
1018 gint max_width = width;
1019 gint max_height = height;
1020 GtkBorder overall_border;
1023 other_page = (page % 2 == get_dual_even_left (view)) ? page + 1: page - 1;
1025 /* First, we get the bounding box of the two pages */
1026 if (other_page < ev_document_get_n_pages (view->document)
1027 && (0 <= other_page)) {
1028 ev_view_get_page_size (view, other_page,
1029 &width_2, &height_2);
1030 if (width_2 > width)
1031 max_width = width_2;
1032 if (height_2 > height)
1033 max_height = height_2;
1035 compute_border (view, max_width, max_height, &overall_border);
1037 /* Find the offsets */
1041 /* Adjust for being the left or right page */
1042 if (page % 2 == get_dual_even_left (view))
1043 x = x + max_width - width;
1045 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
1047 y = y + (max_height - height)/2;
1049 /* Adjust for extra allocation */
1050 x = x + MAX (0, widget->allocation.width -
1051 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
1052 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
1057 /* Adjust for extra allocation */
1058 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
1059 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
1070 get_doc_page_size (EvView *view,
1077 ev_document_get_page_size (view->document, page, &w, &h);
1078 if (view->rotation == 0 || view->rotation == 180) {
1079 if (width) *width = w;
1080 if (height) *height = h;
1082 if (width) *width = h;
1083 if (height) *height = w;
1088 view_point_to_doc_point (EvView *view,
1089 GdkPoint *view_point,
1090 GdkRectangle *page_area,
1091 double *doc_point_x,
1092 double *doc_point_y)
1094 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
1095 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
1099 view_rect_to_doc_rect (EvView *view,
1100 GdkRectangle *view_rect,
1101 GdkRectangle *page_area,
1102 EvRectangle *doc_rect)
1104 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
1105 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
1106 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
1107 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
1111 doc_point_to_view_point (EvView *view,
1114 GdkPoint *view_point)
1116 GdkRectangle page_area;
1118 double x, y, view_x, view_y;
1119 gdouble width, height;
1121 get_doc_page_size (view, page, &width, &height);
1123 if (view->rotation == 0) {
1126 } else if (view->rotation == 90) {
1127 x = width - doc_point->y;
1129 } else if (view->rotation == 180) {
1130 x = width - doc_point->x;
1131 y = height - doc_point->y;
1132 } else if (view->rotation == 270) {
1134 y = height - doc_point->x;
1136 g_assert_not_reached ();
1139 get_page_extents (view, page, &page_area, &border);
1141 view_x = x * view->scale;
1142 view_y = y * view->scale;
1143 view_point->x = view_x + page_area.x;
1144 view_point->y = view_y + page_area.y;
1146 return (view_x > 0 && view_x <= page_area.width &&
1147 view_y > 0 && view_y <= page_area.height);
1151 doc_rect_to_view_rect (EvView *view,
1153 EvRectangle *doc_rect,
1154 GdkRectangle *view_rect)
1156 GdkRectangle page_area;
1159 gdouble width, height;
1161 get_doc_page_size (view, page, &width, &height);
1163 if (view->rotation == 0) {
1166 w = doc_rect->x2 - doc_rect->x1;
1167 h = doc_rect->y2 - doc_rect->y1;
1168 } else if (view->rotation == 90) {
1169 x = width - doc_rect->y2;
1171 w = doc_rect->y2 - doc_rect->y1;
1172 h = doc_rect->x2 - doc_rect->x1;
1173 } else if (view->rotation == 180) {
1174 x = width - doc_rect->x2;
1175 y = height - doc_rect->y2;
1176 w = doc_rect->x2 - doc_rect->x1;
1177 h = doc_rect->y2 - doc_rect->y1;
1178 } else if (view->rotation == 270) {
1180 y = height - doc_rect->x2;
1181 w = doc_rect->y2 - doc_rect->y1;
1182 h = doc_rect->x2 - doc_rect->x1;
1184 g_assert_not_reached ();
1187 get_page_extents (view, page, &page_area, &border);
1189 view_rect->x = x * view->scale + page_area.x;
1190 view_rect->y = y * view->scale + page_area.y;
1191 view_rect->width = w * view->scale;
1192 view_rect->height = h * view->scale;
1196 get_dual_even_left (EvView *view)
1198 return (ev_document_get_n_pages (view->document) > 2);
1202 find_page_at_location (EvView *view,
1211 if (view->document == NULL)
1215 g_assert (x_offset);
1216 g_assert (y_offset);
1218 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
1219 GdkRectangle page_area;
1222 if (! get_page_extents (view, i, &page_area, &border))
1225 if ((x >= page_area.x + border.left) &&
1226 (x < page_area.x + page_area.width - border.right) &&
1227 (y >= page_area.y + border.top) &&
1228 (y < page_area.y + page_area.height - border.bottom)) {
1230 *x_offset = x - (page_area.x + border.left);
1231 *y_offset = y - (page_area.y + border.top);
1240 location_in_text (EvView *view,
1246 gint x_offset = 0, y_offset = 0;
1248 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1253 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
1256 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1262 ev_view_get_width (EvView *view)
1264 return GTK_WIDGET (view)->allocation.width;
1268 ev_view_get_height (EvView *view)
1270 return GTK_WIDGET (view)->allocation.height;
1274 location_in_selected_text (EvView *view,
1279 gint x_offset = 0, y_offset = 0;
1280 EvViewSelection *selection;
1283 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1284 selection = (EvViewSelection *)l->data;
1286 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1288 if (page != selection->page)
1291 if (selection->covered_region &&
1292 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1300 get_doc_point_from_offset (EvView *view,
1307 gdouble width, height;
1310 get_doc_page_size (view, page, &width, &height);
1312 x_offset = x_offset / view->scale;
1313 y_offset = y_offset / view->scale;
1315 if (view->rotation == 0) {
1318 } else if (view->rotation == 90) {
1320 y = width - x_offset;
1321 } else if (view->rotation == 180) {
1322 x = width - x_offset;
1323 y = height - y_offset;
1324 } else if (view->rotation == 270) {
1325 x = height - y_offset;
1328 g_assert_not_reached ();
1338 get_doc_point_from_location (EvView *view,
1345 gint x_offset = 0, y_offset = 0;
1347 x += view->scroll_x;
1348 y += view->scroll_y;
1349 find_page_at_location (view, x, y, page, &x_offset, &y_offset);
1353 return get_doc_point_from_offset (view, *page, x_offset, y_offset, x_new, y_new);
1357 ev_view_get_area_from_mapping (EvView *view,
1359 GList *mapping_list,
1365 mapping = ev_mapping_list_find (mapping_list, data);
1366 doc_rect_to_view_rect (view, page, &mapping->area, area);
1367 area->x -= view->scroll_x;
1368 area->y -= view->scroll_y;
1374 ev_view_get_link_at_location (EvView *view,
1379 gint x_new = 0, y_new = 0;
1380 GList *link_mapping;
1382 if (!EV_IS_DOCUMENT_LINKS (view->document))
1385 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1388 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1391 return ev_mapping_list_get_data (link_mapping, x_new, y_new);
1397 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1400 gdouble zoom, left, top;
1401 gboolean change_left, change_top;
1403 left = ev_link_dest_get_left (dest, &change_left);
1404 top = ev_link_dest_get_top (dest, &change_top);
1406 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - left,
1407 ev_link_dest_get_bottom (dest) - top,
1408 ev_view_get_width (view),
1409 ev_view_get_height (view));
1411 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1412 ev_document_model_set_scale (view->model, zoom);
1414 doc_point.x = change_left ? left : 0;
1415 doc_point.y = change_top ? top : 0;
1417 view->current_page = ev_link_dest_get_page (dest);
1418 if (change_left || change_top)
1419 view->pending_point = doc_point;
1420 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1422 gtk_widget_queue_resize (GTK_WIDGET (view));
1426 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1429 gdouble doc_width, doc_height;
1432 gboolean change_left;
1434 page = ev_link_dest_get_page (dest);
1435 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1437 left = ev_link_dest_get_left (dest, &change_left);
1438 doc_point.x = change_left ? left : 0;
1441 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1442 ev_view_get_width (view),
1443 ev_view_get_height (view));
1445 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1446 ev_document_model_set_scale (view->model, zoom);
1448 view->current_page = page;
1450 view->pending_point = doc_point;
1451 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1453 gtk_widget_queue_resize (GTK_WIDGET (view));
1457 goto_fith_dest (EvView *view, EvLinkDest *dest)
1460 gdouble doc_width, doc_height;
1463 gboolean change_top;
1465 page = ev_link_dest_get_page (dest);
1466 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1468 top = ev_link_dest_get_top (dest, &change_top);
1471 doc_point.y = change_top ? top : 0;
1473 zoom = zoom_for_size_fit_width (doc_width, top,
1474 ev_view_get_width (view),
1475 ev_view_get_height (view));
1477 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FIT_WIDTH);
1478 ev_document_model_set_scale (view->model, zoom);
1480 view->current_page = page;
1482 view->pending_point = doc_point;
1483 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1485 gtk_widget_queue_resize (GTK_WIDGET (view));
1489 goto_fit_dest (EvView *view, EvLinkDest *dest)
1492 gdouble doc_width, doc_height;
1495 page = ev_link_dest_get_page (dest);
1496 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1498 zoom = zoom_for_size_best_fit (doc_width, doc_height,
1499 ev_view_get_width (view),
1500 ev_view_get_height (view));
1502 ev_document_model_set_sizing_mode (view->model, EV_SIZING_BEST_FIT);
1503 ev_document_model_set_scale (view->model, zoom);
1505 view->current_page = page;
1506 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1508 gtk_widget_queue_resize (GTK_WIDGET (view));
1512 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1516 gdouble zoom, left, top;
1517 gboolean change_zoom, change_left, change_top;
1519 zoom = ev_link_dest_get_zoom (dest, &change_zoom);
1520 page = ev_link_dest_get_page (dest);
1522 if (change_zoom && zoom > 1) {
1523 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1524 ev_document_model_set_scale (view->model, zoom);
1527 left = ev_link_dest_get_left (dest, &change_left);
1528 top = ev_link_dest_get_top (dest, &change_top);
1530 doc_point.x = change_left ? left : 0;
1531 doc_point.y = change_top ? top : 0;
1533 view->current_page = page;
1534 if (change_left || change_top)
1535 view->pending_point = doc_point;
1536 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1538 gtk_widget_queue_resize (GTK_WIDGET (view));
1542 goto_dest (EvView *view, EvLinkDest *dest)
1544 EvLinkDestType type;
1545 int page, n_pages, current_page;
1547 page = ev_link_dest_get_page (dest);
1548 n_pages = ev_document_get_n_pages (view->document);
1550 if (page < 0 || page >= n_pages)
1553 current_page = view->current_page;
1555 type = ev_link_dest_get_dest_type (dest);
1558 case EV_LINK_DEST_TYPE_PAGE:
1559 ev_document_model_set_page (view->model, page);
1561 case EV_LINK_DEST_TYPE_FIT:
1562 goto_fit_dest (view, dest);
1564 case EV_LINK_DEST_TYPE_FITH:
1565 goto_fith_dest (view, dest);
1567 case EV_LINK_DEST_TYPE_FITV:
1568 goto_fitv_dest (view, dest);
1570 case EV_LINK_DEST_TYPE_FITR:
1571 goto_fitr_dest (view, dest);
1573 case EV_LINK_DEST_TYPE_XYZ:
1574 goto_xyz_dest (view, dest);
1576 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1577 ev_document_model_set_page_by_label (view->model, ev_link_dest_get_page_label (dest));
1580 g_assert_not_reached ();
1583 if (current_page != view->current_page)
1584 ev_document_model_set_page (view->model, view->current_page);
1588 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1590 EvLinkDestType type;
1592 type = ev_link_dest_get_dest_type (dest);
1594 if (type == EV_LINK_DEST_TYPE_NAMED) {
1596 const gchar *named_dest;
1598 named_dest = ev_link_dest_get_named_dest (dest);
1599 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1602 goto_dest (view, dest2);
1603 g_object_unref (dest2);
1609 goto_dest (view, dest);
1613 ev_view_handle_link (EvView *view, EvLink *link)
1615 EvLinkAction *action = NULL;
1616 EvLinkActionType type;
1618 action = ev_link_get_action (link);
1622 type = ev_link_action_get_action_type (action);
1625 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1628 g_signal_emit (view, signals[SIGNAL_HANDLE_LINK], 0, link);
1630 dest = ev_link_action_get_dest (action);
1631 ev_view_goto_dest (view, dest);
1634 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1635 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1636 case EV_LINK_ACTION_TYPE_LAUNCH:
1637 case EV_LINK_ACTION_TYPE_NAMED:
1638 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1644 ev_view_page_label_from_dest (EvView *view, EvLinkDest *dest)
1646 EvLinkDestType type;
1649 type = ev_link_dest_get_dest_type (dest);
1652 case EV_LINK_DEST_TYPE_NAMED: {
1654 const gchar *named_dest;
1656 named_dest = ev_link_dest_get_named_dest (dest);
1657 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1660 msg = ev_document_get_page_label (view->document,
1661 ev_link_dest_get_page (dest2));
1662 g_object_unref (dest2);
1667 case EV_LINK_DEST_TYPE_PAGE_LABEL: {
1668 msg = g_strdup (ev_link_dest_get_page_label (dest));
1672 msg = ev_document_get_page_label (view->document,
1673 ev_link_dest_get_page (dest));
1680 tip_from_action_named (EvLinkAction *action)
1682 const gchar *name = ev_link_action_get_name (action);
1684 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1685 return g_strdup (_("Go to first page"));
1686 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1687 return g_strdup (_("Go to previous page"));
1688 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1689 return g_strdup (_("Go to next page"));
1690 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1691 return g_strdup (_("Go to last page"));
1692 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1693 return g_strdup (_("Go to page"));
1694 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1695 return g_strdup (_("Find"));
1702 tip_from_link (EvView *view, EvLink *link)
1704 EvLinkAction *action;
1705 EvLinkActionType type;
1710 action = ev_link_get_action (link);
1711 title = ev_link_get_title (link);
1714 return title ? g_strdup (title) : NULL;
1716 type = ev_link_action_get_action_type (action);
1719 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1720 page_label = ev_view_page_label_from_dest (view,
1721 ev_link_action_get_dest (action));
1723 msg = g_strdup_printf (_("Go to page %s"), page_label);
1724 g_free (page_label);
1727 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1729 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1730 ev_link_action_get_filename (action));
1732 msg = g_strdup_printf (_("Go to file “%s”"),
1733 ev_link_action_get_filename (action));
1736 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1737 msg = g_strdup (ev_link_action_get_uri (action));
1739 case EV_LINK_ACTION_TYPE_LAUNCH:
1740 msg = g_strdup_printf (_("Launch %s"),
1741 ev_link_action_get_filename (action));
1743 case EV_LINK_ACTION_TYPE_NAMED:
1744 msg = tip_from_action_named (action);
1748 msg = g_strdup (title);
1756 ev_view_handle_cursor_over_xy (EvView *view, gint x, gint y)
1760 EvAnnotation *annot = NULL;
1762 if (view->cursor == EV_VIEW_CURSOR_HIDDEN)
1765 if (view->drag_info.in_drag) {
1766 if (view->cursor != EV_VIEW_CURSOR_DRAG)
1767 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1771 if (view->scroll_info.autoscrolling) {
1772 if (view->cursor != EV_VIEW_CURSOR_AUTOSCROLL)
1773 ev_view_set_cursor (view, EV_VIEW_CURSOR_AUTOSCROLL);
1777 link = ev_view_get_link_at_location (view, x, y);
1779 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1780 } else if ((field = ev_view_get_form_field_at_location (view, x, y))) {
1781 if (field->is_read_only) {
1782 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1783 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1784 view->cursor == EV_VIEW_CURSOR_DRAG)
1785 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1786 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
1787 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1789 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1791 } else if ((annot = ev_view_get_annotation_at_location (view, x, y))) {
1792 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1793 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1794 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1796 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1797 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1798 view->cursor == EV_VIEW_CURSOR_DRAG ||
1799 view->cursor == EV_VIEW_CURSOR_AUTOSCROLL)
1800 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1804 g_object_set (view, "has-tooltip", TRUE, NULL);
1809 ev_view_get_image_at_location (EvView *view,
1814 gint x_new = 0, y_new = 0;
1815 GList *image_mapping;
1817 if (!EV_IS_DOCUMENT_IMAGES (view->document))
1820 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1823 image_mapping = ev_pixbuf_cache_get_image_mapping (view->pixbuf_cache, page);
1826 return ev_mapping_list_get_data (image_mapping, x_new, y_new);
1832 static EvFormField *
1833 ev_view_get_form_field_at_location (EvView *view,
1838 gint x_new = 0, y_new = 0;
1839 GList *forms_mapping;
1841 if (!EV_IS_DOCUMENT_FORMS (view->document))
1844 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1847 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, page);
1850 return ev_mapping_list_get_data (forms_mapping, x_new, y_new);
1856 ev_view_form_field_get_region (EvView *view,
1859 GdkRectangle view_area;
1860 GList *forms_mapping;
1862 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
1863 field->page->index);
1864 ev_view_get_area_from_mapping (view, field->page->index,
1868 return gdk_region_rectangle (&view_area);
1872 ev_view_forms_remove_widgets (EvView *view)
1874 ev_view_remove_all (view);
1880 ev_view_form_field_destroy (GtkWidget *widget,
1883 g_idle_add ((GSourceFunc)ev_view_forms_remove_widgets, view);
1887 ev_view_form_field_button_create_widget (EvView *view,
1890 EvFormFieldButton *field_button = EV_FORM_FIELD_BUTTON (field);
1891 GdkRegion *field_region = NULL;
1893 switch (field_button->type) {
1894 case EV_FORM_FIELD_BUTTON_PUSH:
1896 case EV_FORM_FIELD_BUTTON_CHECK:
1897 case EV_FORM_FIELD_BUTTON_RADIO: {
1899 GList *forms_mapping, *l;
1901 state = ev_document_forms_form_field_button_get_state (EV_DOCUMENT_FORMS (view->document),
1904 /* FIXME: it actually depends on NoToggleToOff flags */
1905 if (field_button->type == EV_FORM_FIELD_BUTTON_RADIO &&
1906 state && field_button->state)
1909 field_region = ev_view_form_field_get_region (view, field);
1911 /* For radio buttons and checkbox buttons that are in a set
1912 * we need to update also the region for the current selected item
1914 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
1915 field->page->index);
1916 for (l = forms_mapping; l; l = g_list_next (l)) {
1917 EvFormField *button = ((EvMapping *)(l->data))->data;
1918 GdkRegion *button_region;
1920 if (button->id == field->id)
1923 /* FIXME: only buttons in the same group should be updated */
1924 if (!EV_IS_FORM_FIELD_BUTTON (button) ||
1925 EV_FORM_FIELD_BUTTON (button)->type != field_button->type ||
1926 EV_FORM_FIELD_BUTTON (button)->state != TRUE)
1929 button_region = ev_view_form_field_get_region (view, button);
1930 gdk_region_union (field_region, button_region);
1931 gdk_region_destroy (button_region);
1934 ev_document_forms_form_field_button_set_state (EV_DOCUMENT_FORMS (view->document),
1936 field_button->state = !state;
1941 ev_view_reload_page (view, field->page->index, field_region);
1942 gdk_region_destroy (field_region);
1948 ev_view_form_field_text_save (EvView *view,
1953 if (!view->document)
1956 field = g_object_get_data (G_OBJECT (widget), "form-field");
1958 if (field->changed) {
1959 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1960 GdkRegion *field_region;
1962 field_region = ev_view_form_field_get_region (view, field);
1964 ev_document_forms_form_field_text_set_text (EV_DOCUMENT_FORMS (view->document),
1965 field, field_text->text);
1966 field->changed = FALSE;
1967 ev_view_reload_page (view, field->page->index, field_region);
1968 gdk_region_destroy (field_region);
1973 ev_view_form_field_text_changed (GtkWidget *widget,
1976 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1979 if (GTK_IS_ENTRY (widget)) {
1980 text = g_strdup (gtk_entry_get_text (GTK_ENTRY (widget)));
1981 } else if (GTK_IS_TEXT_BUFFER (widget)) {
1982 GtkTextIter start, end;
1984 gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (widget), &start, &end);
1985 text = gtk_text_buffer_get_text (GTK_TEXT_BUFFER (widget),
1986 &start, &end, FALSE);
1989 if (!field_text->text ||
1990 (field_text->text && g_ascii_strcasecmp (field_text->text, text) != 0)) {
1991 g_free (field_text->text);
1992 field_text->text = text;
1993 field->changed = TRUE;
1998 ev_view_form_field_text_create_widget (EvView *view,
2001 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2002 GtkWidget *text = NULL;
2005 txt = ev_document_forms_form_field_text_get_text (EV_DOCUMENT_FORMS (view->document),
2008 switch (field_text->type) {
2009 case EV_FORM_FIELD_TEXT_FILE_SELECT:
2011 case EV_FORM_FIELD_TEXT_NORMAL:
2012 text = gtk_entry_new ();
2013 gtk_entry_set_has_frame (GTK_ENTRY (text), FALSE);
2014 gtk_entry_set_max_length (GTK_ENTRY (text), field_text->max_len);
2015 gtk_entry_set_visibility (GTK_ENTRY (text), !field_text->is_password);
2018 gtk_entry_set_text (GTK_ENTRY (text), txt);
2022 g_signal_connect (text, "changed",
2023 G_CALLBACK (ev_view_form_field_text_changed),
2025 g_signal_connect_after (text, "activate",
2026 G_CALLBACK (ev_view_form_field_destroy),
2029 case EV_FORM_FIELD_TEXT_MULTILINE: {
2030 GtkTextBuffer *buffer;
2032 text = gtk_text_view_new ();
2033 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text));
2036 gtk_text_buffer_set_text (buffer, txt, -1);
2040 g_signal_connect (buffer, "changed",
2041 G_CALLBACK (ev_view_form_field_text_changed),
2047 g_object_weak_ref (G_OBJECT (text),
2048 (GWeakNotify)ev_view_form_field_text_save,
2055 ev_view_form_field_choice_save (EvView *view,
2060 if (!view->document)
2063 field = g_object_get_data (G_OBJECT (widget), "form-field");
2065 if (field->changed) {
2067 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2068 GdkRegion *field_region;
2070 field_region = ev_view_form_field_get_region (view, field);
2072 if (field_choice->is_editable) {
2073 ev_document_forms_form_field_choice_set_text (EV_DOCUMENT_FORMS (view->document),
2074 field, field_choice->text);
2076 ev_document_forms_form_field_choice_unselect_all (EV_DOCUMENT_FORMS (view->document), field);
2077 for (l = field_choice->selected_items; l; l = g_list_next (l)) {
2078 ev_document_forms_form_field_choice_select_item (EV_DOCUMENT_FORMS (view->document),
2080 GPOINTER_TO_INT (l->data));
2083 field->changed = FALSE;
2084 ev_view_reload_page (view, field->page->index, field_region);
2085 gdk_region_destroy (field_region);
2090 ev_view_form_field_choice_changed (GtkWidget *widget,
2093 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2095 if (GTK_IS_COMBO_BOX (widget)) {
2098 item = gtk_combo_box_get_active (GTK_COMBO_BOX (widget));
2099 if (!field_choice->selected_items ||
2100 GPOINTER_TO_INT (field_choice->selected_items->data) != item) {
2101 g_list_free (field_choice->selected_items);
2102 field_choice->selected_items = NULL;
2103 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2104 GINT_TO_POINTER (item));
2105 field->changed = TRUE;
2108 if (GTK_IS_COMBO_BOX_ENTRY (widget)) {
2111 text = gtk_combo_box_get_active_text (GTK_COMBO_BOX (widget));
2112 if (!field_choice->text ||
2113 (field_choice->text && g_ascii_strcasecmp (field_choice->text, text) != 0)) {
2114 g_free (field_choice->text);
2115 field_choice->text = text;
2116 field->changed = TRUE;
2119 } else if (GTK_IS_TREE_SELECTION (widget)) {
2120 GtkTreeSelection *selection = GTK_TREE_SELECTION (widget);
2121 GtkTreeModel *model;
2124 items = gtk_tree_selection_get_selected_rows (selection, &model);
2125 g_list_free (field_choice->selected_items);
2126 field_choice->selected_items = NULL;
2128 for (l = items; l && l->data; l = g_list_next (l)) {
2130 GtkTreePath *path = (GtkTreePath *)l->data;
2133 gtk_tree_model_get_iter (model, &iter, path);
2134 gtk_tree_model_get (model, &iter, 1, &item, -1);
2136 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2137 GINT_TO_POINTER (item));
2139 gtk_tree_path_free (path);
2142 g_list_free (items);
2144 field->changed = TRUE;
2149 ev_view_form_field_choice_create_widget (EvView *view,
2152 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2154 GtkTreeModel *model;
2156 gint selected_item = 0;
2158 n_items = ev_document_forms_form_field_choice_get_n_items (EV_DOCUMENT_FORMS (view->document),
2160 model = GTK_TREE_MODEL (gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT));
2161 for (i = 0; i < n_items; i++) {
2165 item = ev_document_forms_form_field_choice_get_item (EV_DOCUMENT_FORMS (view->document),
2167 if (ev_document_forms_form_field_choice_is_item_selected (
2168 EV_DOCUMENT_FORMS (view->document), field, i)) {
2170 /* FIXME: we need a get_selected_items function in poppler */
2171 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2172 GINT_TO_POINTER (i));
2176 gtk_list_store_append (GTK_LIST_STORE (model), &iter);
2177 gtk_list_store_set (GTK_LIST_STORE (model), &iter,
2185 if (field_choice->type == EV_FORM_FIELD_CHOICE_LIST) {
2186 GtkCellRenderer *renderer;
2187 GtkWidget *tree_view;
2188 GtkTreeSelection *selection;
2190 tree_view = gtk_tree_view_new_with_model (model);
2191 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);
2193 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
2194 if (field_choice->multi_select) {
2195 gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
2198 /* TODO: set selected items */
2200 renderer = gtk_cell_renderer_text_new ();
2201 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
2207 choice = gtk_scrolled_window_new (NULL, NULL);
2208 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (choice),
2209 GTK_POLICY_AUTOMATIC,
2210 GTK_POLICY_AUTOMATIC);
2211 gtk_container_add (GTK_CONTAINER (choice), tree_view);
2212 gtk_widget_show (tree_view);
2214 g_signal_connect (selection, "changed",
2215 G_CALLBACK (ev_view_form_field_choice_changed),
2217 g_signal_connect_after (selection, "changed",
2218 G_CALLBACK (ev_view_form_field_destroy),
2220 } else if (field_choice->is_editable) { /* ComboBoxEntry */
2223 choice = gtk_combo_box_entry_new_with_model (model, 0);
2224 text = ev_document_forms_form_field_choice_get_text (EV_DOCUMENT_FORMS (view->document), field);
2226 gtk_entry_set_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (choice))), text);
2230 g_signal_connect (choice, "changed",
2231 G_CALLBACK (ev_view_form_field_choice_changed),
2233 g_signal_connect_after (GTK_BIN(choice)->child, "activate",
2234 G_CALLBACK (ev_view_form_field_destroy),
2236 } else { /* ComboBoxText */
2237 GtkCellRenderer *renderer;
2239 choice = gtk_combo_box_new_with_model (model);
2240 renderer = gtk_cell_renderer_text_new ();
2241 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (choice),
2243 gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (choice),
2247 gtk_combo_box_set_active (GTK_COMBO_BOX (choice), selected_item);
2248 gtk_combo_box_popup (GTK_COMBO_BOX (choice));
2250 g_signal_connect (choice, "changed",
2251 G_CALLBACK (ev_view_form_field_choice_changed),
2253 g_signal_connect_after (choice, "changed",
2254 G_CALLBACK (ev_view_form_field_destroy),
2258 g_object_unref (model);
2260 g_object_weak_ref (G_OBJECT (choice),
2261 (GWeakNotify)ev_view_form_field_choice_save,
2268 ev_view_handle_form_field (EvView *view,
2273 GtkWidget *field_widget = NULL;
2274 GList *form_field_mapping;
2275 GdkRectangle view_area;
2277 if (field->is_read_only)
2280 if (EV_IS_FORM_FIELD_BUTTON (field)) {
2281 field_widget = ev_view_form_field_button_create_widget (view, field);
2282 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
2283 field_widget = ev_view_form_field_text_create_widget (view, field);
2284 } else if (EV_IS_FORM_FIELD_CHOICE (field)) {
2285 field_widget = ev_view_form_field_choice_create_widget (view, field);
2286 } else if (EV_IS_FORM_FIELD_SIGNATURE (field)) {
2290 /* Form field doesn't require a widget */
2294 g_object_set_data_full (G_OBJECT (field_widget), "form-field",
2295 g_object_ref (field),
2296 (GDestroyNotify)g_object_unref);
2298 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, field->page->index);
2299 ev_view_get_area_from_mapping (view, field->page->index,
2303 gtk_layout_put (GTK_LAYOUT (view), field_widget, view_area.x, view_area.y);
2304 gtk_widget_show (field_widget);
2305 gtk_widget_grab_focus (field_widget);
2309 static EvViewWindowChild *
2310 ev_view_get_window_child (EvView *view,
2313 GList *children = view->window_children;
2316 EvViewWindowChild *child;
2318 child = (EvViewWindowChild *)children->data;
2319 children = children->next;
2321 if (child->window == window)
2329 ev_view_window_child_move (EvView *view,
2330 EvViewWindowChild *child,
2336 gtk_window_move (GTK_WINDOW (child->window),
2337 MAX (child->parent_x, x),
2338 MAX (child->parent_y, y));
2342 ev_view_window_child_move_with_parent (EvView *view,
2345 EvViewWindowChild *child;
2346 gint root_x, root_y;
2348 child = ev_view_get_window_child (view, window);
2349 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2351 if (root_x != child->parent_x || root_y != child->parent_y) {
2352 gint dest_x, dest_y;
2354 dest_x = child->x + (root_x - child->parent_x);
2355 dest_y = child->y + (root_y - child->parent_y);
2356 child->parent_x = root_x;
2357 child->parent_y = root_y;
2358 ev_view_window_child_move (view, child, dest_x, dest_y);
2361 if (child->visible && !GTK_WIDGET_VISIBLE (window))
2362 gtk_widget_show (window);
2366 ev_view_window_child_put (EvView *view,
2374 EvViewWindowChild *child;
2375 gint root_x, root_y;
2377 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2380 child = g_new0 (EvViewWindowChild, 1);
2381 child->window = window;
2383 child->orig_x = orig_x;
2384 child->orig_y = orig_y;
2385 child->parent_x = root_x;
2386 child->parent_y = root_y;
2387 child->visible = ev_annotation_window_is_open (EV_ANNOTATION_WINDOW (window));
2388 ev_view_window_child_move (view, child, x + root_x, y + root_y);
2391 gtk_widget_show (window);
2393 gtk_widget_hide (window);
2395 view->window_children = g_list_append (view->window_children, child);
2398 static EvViewWindowChild *
2399 ev_view_find_window_child_for_annot (EvView *view,
2401 EvAnnotation *annot)
2403 GList *children = view->window_children;
2406 EvViewWindowChild *child;
2407 EvAnnotation *wannot;
2409 child = (EvViewWindowChild *)children->data;
2410 children = children->next;
2412 if (child->page != page)
2415 wannot = ev_annotation_window_get_annotation (EV_ANNOTATION_WINDOW (child->window));
2416 if (wannot == annot || strcmp (wannot->name, annot->name) == 0)
2424 ev_view_window_children_free (EvView *view)
2428 if (!view->window_children)
2431 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
2432 EvViewWindowChild *child;
2434 child = (EvViewWindowChild *)l->data;
2435 gtk_widget_destroy (GTK_WIDGET (child->window));
2438 g_list_free (view->window_children);
2439 view->window_children = NULL;
2440 view->window_child_focus = NULL;
2444 annotation_window_grab_focus (GtkWidget *widget,
2447 if (view->window_child_focus)
2448 ev_annotation_window_ungrab_focus (EV_ANNOTATION_WINDOW (view->window_child_focus->window));
2449 view->window_child_focus = ev_view_get_window_child (view, widget);
2453 annotation_window_closed (EvAnnotationWindow *window,
2456 EvViewWindowChild *child;
2458 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2459 child->visible = FALSE;
2463 annotation_window_moved (EvAnnotationWindow *window,
2468 EvViewWindowChild *child;
2469 GdkRectangle page_area;
2471 GdkRectangle view_rect;
2472 EvRectangle doc_rect;
2475 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2476 if (child->x == x && child->y == y)
2479 child->moved = TRUE;
2483 /* Window has been moved by the user,
2484 * we have to set a new origin in doc coords
2486 gtk_window_get_size (GTK_WINDOW (window), &width, &height);
2487 view_rect.x = (x - child->parent_x) + view->scroll_x;
2488 view_rect.y = (y - child->parent_y) + view->scroll_y;
2489 view_rect.width = width;
2490 view_rect.height = height;
2492 get_page_extents (view, child->page, &page_area, &border);
2493 view_rect_to_doc_rect (view, &view_rect, &page_area, &doc_rect);
2494 child->orig_x = doc_rect.x1;
2495 child->orig_y = doc_rect.y1;
2499 ev_view_annotation_save (EvView *view,
2500 EvAnnotation *annot)
2502 if (!view->document)
2505 if (!annot->changed)
2508 ev_document_annotations_annotation_set_contents (EV_DOCUMENT_ANNOTATIONS (view->document),
2509 annot, annot->contents);
2510 annot->changed = FALSE;
2514 show_annotation_windows (EvView *view,
2520 parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
2522 annots = ev_pixbuf_cache_get_annots_mapping (view->pixbuf_cache, page);
2524 for (l = annots; l && l->data; l = g_list_next (l)) {
2525 EvAnnotation *annot;
2526 EvViewWindowChild *child;
2528 EvRectangle *doc_rect;
2529 GdkRectangle view_rect;
2531 annot = ((EvMapping *)(l->data))->data;
2533 if (!EV_IS_ANNOTATION_MARKUP (annot))
2536 if (!ev_annotation_markup_has_popup (EV_ANNOTATION_MARKUP (annot)))
2539 window = g_object_get_data (G_OBJECT (annot), "popup");
2541 ev_view_window_child_move_with_parent (view, window);
2545 /* Look if we already have a popup for this annot */
2546 child = ev_view_find_window_child_for_annot (view, page, annot);
2547 window = child ? child->window : NULL;
2549 ev_annotation_window_set_annotation (EV_ANNOTATION_WINDOW (window), annot);
2550 g_object_set_data (G_OBJECT (annot), "popup", window);
2551 ev_view_window_child_move_with_parent (view, window);
2553 window = ev_annotation_window_new (annot, parent);
2554 g_signal_connect (window, "grab_focus",
2555 G_CALLBACK (annotation_window_grab_focus),
2557 g_signal_connect (window, "closed",
2558 G_CALLBACK (annotation_window_closed),
2560 g_signal_connect (window, "moved",
2561 G_CALLBACK (annotation_window_moved),
2563 g_object_set_data (G_OBJECT (annot), "popup", window);
2565 doc_rect = (EvRectangle *)ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (window));
2566 doc_rect_to_view_rect (view, page, doc_rect, &view_rect);
2567 view_rect.x -= view->scroll_x;
2568 view_rect.y -= view->scroll_y;
2570 ev_view_window_child_put (view, window, page,
2571 view_rect.x, view_rect.y,
2572 doc_rect->x1, doc_rect->y1);
2574 g_object_weak_ref (G_OBJECT (annot),
2575 (GWeakNotify)ev_view_annotation_save,
2582 hide_annotation_windows (EvView *view,
2587 annots = ev_pixbuf_cache_get_annots_mapping (view->pixbuf_cache, page);
2589 for (l = annots; l && l->data; l = g_list_next (l)) {
2590 EvAnnotation *annot;
2593 annot = ((EvMapping *)(l->data))->data;
2595 if (!EV_IS_ANNOTATION_MARKUP (annot))
2598 window = g_object_get_data (G_OBJECT (annot), "popup");
2600 gtk_widget_hide (window);
2604 static EvAnnotation *
2605 ev_view_get_annotation_at_location (EvView *view,
2610 gint x_new = 0, y_new = 0;
2611 GList *annotations_mapping;
2613 if (!EV_IS_DOCUMENT_ANNOTATIONS (view->document))
2616 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
2619 annotations_mapping = ev_pixbuf_cache_get_annots_mapping (view->pixbuf_cache, page);
2621 if (annotations_mapping)
2622 return ev_mapping_list_get_data (annotations_mapping, x_new, y_new);
2628 ev_view_handle_annotation (EvView *view,
2629 EvAnnotation *annot,
2633 if (EV_IS_ANNOTATION_MARKUP (annot)) {
2636 window = g_object_get_data (G_OBJECT (annot), "popup");
2638 EvViewWindowChild *child;
2640 child = ev_view_get_window_child (view, window);
2641 if (!child->visible) {
2642 child->visible = TRUE;
2643 ev_view_window_child_move (view, child, child->x, child->y);
2644 gtk_widget_show (window);
2650 /*** GtkWidget implementation ***/
2653 ev_view_size_request_continuous_dual_page (EvView *view,
2654 GtkRequisition *requisition)
2660 ev_view_get_max_page_size (view, &max_width, NULL);
2661 compute_border (view, max_width, max_width, &border);
2663 n_pages = ev_document_get_n_pages (view->document) + 1;
2665 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
2666 get_page_y_offset (view, n_pages, &requisition->height);
2668 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2669 requisition->width = 1;
2670 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2671 requisition->width = 1;
2672 /* FIXME: This could actually be set on one page docs or docs
2673 * with a strange aspect ratio. */
2674 /* requisition->height = 1;*/
2679 ev_view_size_request_continuous (EvView *view,
2680 GtkRequisition *requisition)
2686 ev_view_get_max_page_size (view, &max_width, NULL);
2687 n_pages = ev_document_get_n_pages (view->document);
2688 compute_border (view, max_width, max_width, &border);
2690 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
2691 get_page_y_offset (view, n_pages, &requisition->height);
2693 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2694 requisition->width = 1;
2695 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2696 requisition->width = 1;
2697 /* FIXME: This could actually be set on one page docs or docs
2698 * with a strange aspect ratio. */
2699 /* requisition->height = 1;*/
2704 ev_view_size_request_dual_page (EvView *view,
2705 GtkRequisition *requisition)
2710 /* Find the largest of the two. */
2711 ev_view_get_page_size (view,
2714 if (view->current_page + 1 < ev_document_get_n_pages (view->document)) {
2715 gint width_2, height_2;
2716 ev_view_get_page_size (view,
2717 view->current_page + 1,
2718 &width_2, &height_2);
2719 if (width_2 > width) {
2724 compute_border (view, width, height, &border);
2726 requisition->width = ((width + border.left + border.right) * 2) +
2727 (view->spacing * 3);
2728 requisition->height = (height + border.top + border.bottom) +
2729 (view->spacing * 2);
2731 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2732 requisition->width = 1;
2733 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2734 requisition->width = 1;
2735 requisition->height = 1;
2740 ev_view_size_request_single_page (EvView *view,
2741 GtkRequisition *requisition)
2746 ev_view_get_page_size (view, view->current_page, &width, &height);
2747 compute_border (view, width, height, &border);
2749 requisition->width = width + border.left + border.right + (2 * view->spacing);
2750 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2752 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2753 requisition->width = 1;
2754 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2755 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2756 requisition->width = 1;
2757 requisition->height = 1;
2762 ev_view_size_request (GtkWidget *widget,
2763 GtkRequisition *requisition)
2765 EvView *view = EV_VIEW (widget);
2767 if (view->document == NULL) {
2768 requisition->width = 1;
2769 requisition->height = 1;
2773 if (view->presentation) {
2774 requisition->width = 1;
2775 requisition->height = 1;
2779 if (view->continuous && view->dual_page)
2780 ev_view_size_request_continuous_dual_page (view, requisition);
2781 else if (view->continuous)
2782 ev_view_size_request_continuous (view, requisition);
2783 else if (view->dual_page)
2784 ev_view_size_request_dual_page (view, requisition);
2786 ev_view_size_request_single_page (view, requisition);
2790 ev_view_size_allocate (GtkWidget *widget,
2791 GtkAllocation *allocation)
2793 EvView *view = EV_VIEW (widget);
2794 GList *children, *l;
2795 gint root_x, root_y;
2797 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
2799 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2800 view->sizing_mode == EV_SIZING_BEST_FIT) {
2801 ev_view_zoom_for_size (view,
2803 allocation->height);
2804 ev_view_size_request (widget, &widget->requisition);
2807 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
2808 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
2811 view_update_range_and_current_page (view);
2813 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2814 view->pending_resize = FALSE;
2816 children = gtk_container_get_children (GTK_CONTAINER (widget));
2817 for (l = children; l && l->data; l = g_list_next (l)) {
2819 GdkRectangle view_area;
2820 GList *form_field_mapping;
2821 GtkAllocation child_allocation;
2822 GtkRequisition child_requisition;
2823 GtkWidget *child = (GtkWidget *)l->data;
2825 field = g_object_get_data (G_OBJECT (child), "form-field");
2829 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
2830 field->page->index);
2831 ev_view_get_area_from_mapping (view, field->page->index,
2835 gtk_widget_size_request (child, &child_requisition);
2836 if (child_requisition.width != view_area.width ||
2837 child_requisition.height != view_area.height)
2838 gtk_widget_set_size_request (child, view_area.width, view_area.height);
2840 gtk_container_child_get (GTK_CONTAINER (widget),
2842 "x", &child_allocation.x,
2843 "y", &child_allocation.y,
2845 if (child_allocation.x != view_area.x ||
2846 child_allocation.y != view_area.y) {
2847 gtk_layout_move (GTK_LAYOUT (widget), child, view_area.x, view_area.y);
2850 g_list_free (children);
2852 if (view->window_children)
2853 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2856 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
2857 EvViewWindowChild *child;
2858 EvRectangle doc_rect;
2859 GdkRectangle view_rect;
2861 child = (EvViewWindowChild *)l->data;
2863 doc_rect = *ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (child->window));
2865 doc_rect.x1 = child->orig_x;
2866 doc_rect.y1 = child->orig_y;
2868 doc_rect_to_view_rect (view, child->page, &doc_rect, &view_rect);
2869 view_rect.x -= view->scroll_x;
2870 view_rect.y -= view->scroll_y;
2872 if (view_rect.x != child->orig_x || view_rect.y != child->orig_y) {
2873 child->parent_x = root_x;
2874 child->parent_y = root_y;
2875 ev_view_window_child_move (view, child, view_rect.x + root_x, view_rect.y + root_y);
2881 ev_view_realize (GtkWidget *widget)
2883 EvView *view = EV_VIEW (widget);
2885 if (GTK_WIDGET_CLASS (ev_view_parent_class)->realize)
2886 (* GTK_WIDGET_CLASS (ev_view_parent_class)->realize) (widget);
2888 gdk_window_set_events (view->layout.bin_window,
2889 (gdk_window_get_events (view->layout.bin_window) |
2891 GDK_BUTTON_PRESS_MASK |
2892 GDK_BUTTON_RELEASE_MASK |
2894 GDK_KEY_PRESS_MASK |
2895 GDK_POINTER_MOTION_MASK |
2896 GDK_POINTER_MOTION_HINT_MASK |
2897 GDK_ENTER_NOTIFY_MASK |
2898 GDK_LEAVE_NOTIFY_MASK));
2900 if (view->presentation)
2901 gdk_window_set_background (view->layout.bin_window, &widget->style->black);
2903 gdk_window_set_background (view->layout.bin_window, &widget->style->mid [GTK_STATE_NORMAL]);
2905 on_adjustment_value_changed (NULL, view);
2909 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
2911 EvView *view = EV_VIEW (widget);
2914 state = event->state & gtk_accelerator_get_default_mod_mask ();
2916 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
2917 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
2919 if (event->direction == GDK_SCROLL_UP ||
2920 event->direction == GDK_SCROLL_LEFT) {
2921 if (ev_view_can_zoom_in (view)) {
2922 ev_view_zoom_in (view);
2925 if (ev_view_can_zoom_out (view)) {
2926 ev_view_zoom_out (view);
2933 view->jump_to_find_result = FALSE;
2935 /* Shift+Wheel scrolls the in the perpendicular direction */
2936 if (state & GDK_SHIFT_MASK) {
2937 if (event->direction == GDK_SCROLL_UP)
2938 event->direction = GDK_SCROLL_LEFT;
2939 else if (event->direction == GDK_SCROLL_LEFT)
2940 event->direction = GDK_SCROLL_UP;
2941 else if (event->direction == GDK_SCROLL_DOWN)
2942 event->direction = GDK_SCROLL_RIGHT;
2943 else if (event->direction == GDK_SCROLL_RIGHT)
2944 event->direction = GDK_SCROLL_DOWN;
2946 event->state &= ~GDK_SHIFT_MASK;
2947 state &= ~GDK_SHIFT_MASK;
2951 (view->presentation ||
2952 (view->sizing_mode == EV_SIZING_BEST_FIT && !view->continuous))) {
2953 switch (event->direction) {
2954 case GDK_SCROLL_DOWN:
2955 case GDK_SCROLL_RIGHT:
2956 ev_view_next_page (view);
2959 case GDK_SCROLL_LEFT:
2960 ev_view_previous_page (view);
2970 static EvViewSelection *
2971 find_selection_for_page (EvView *view,
2976 for (list = view->selection_info.selections; list != NULL; list = list->next) {
2977 EvViewSelection *selection;
2979 selection = (EvViewSelection *) list->data;
2981 if (selection->page == page)
2989 draw_end_presentation_page (EvView *view,
2990 GdkRectangle *page_area)
2992 PangoLayout *layout;
2993 PangoFontDescription *font_desc;
2995 const gchar *text = _("End of presentation. Press Escape to exit.");
2997 if (view->presentation_state != EV_PRESENTATION_END)
3000 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), NULL);
3001 markup = g_strdup_printf ("<span foreground=\"white\">%s</span>", text);
3002 pango_layout_set_markup (layout, markup, -1);
3005 font_desc = pango_font_description_new ();
3006 pango_font_description_set_size (font_desc, 16 * PANGO_SCALE);
3007 pango_layout_set_font_description (layout, font_desc);
3009 gtk_paint_layout (GTK_WIDGET (view)->style,
3010 view->layout.bin_window,
3011 GTK_WIDGET_STATE (view),
3020 pango_font_description_free (font_desc);
3021 g_object_unref (layout);
3025 ev_view_expose_event (GtkWidget *widget,
3026 GdkEventExpose *event)
3028 EvView *view = EV_VIEW (widget);
3032 if (view->animation) {
3033 if (ev_transition_animation_ready (view->animation)) {
3034 GdkRectangle page_area;
3037 if (get_page_extents (view, view->current_page, &page_area, &border)) {
3038 cr = gdk_cairo_create (view->layout.bin_window);
3040 /* normalize to x=0, y=0 */
3041 cairo_translate (cr, page_area.x, page_area.y);
3042 page_area.x = page_area.y = 0;
3044 ev_transition_animation_paint (view->animation, cr, page_area);
3052 if (view->presentation) {
3053 switch (view->presentation_state) {
3054 case EV_PRESENTATION_END: {
3055 GdkRectangle area = {0};
3057 area.width = widget->allocation.width;
3058 area.height = widget->allocation.height;
3060 draw_end_presentation_page (view, &area);
3063 case EV_PRESENTATION_BLACK:
3064 case EV_PRESENTATION_WHITE:
3066 case EV_PRESENTATION_NORMAL:
3070 } else if (view->loading) {
3071 GdkRectangle area = {0};
3073 area.width = widget->allocation.width;
3074 area.height = widget->allocation.height;
3076 draw_loading_text (view,
3081 if (view->document == NULL)
3084 cr = gdk_cairo_create (view->layout.bin_window);
3086 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
3087 GdkRectangle page_area;
3089 gboolean page_ready = TRUE;
3091 if (!get_page_extents (view, i, &page_area, &border))
3094 page_area.x -= view->scroll_x;
3095 page_area.y -= view->scroll_y;
3097 draw_one_page (view, i, cr, &page_area, &border, &(event->area), &page_ready);
3099 if (page_ready && view->find_pages && view->highlight_find_results)
3100 highlight_find_results (view, i);
3101 if (page_ready && EV_IS_DOCUMENT_ANNOTATIONS (view->document))
3102 show_annotation_windows (view, i);
3107 if (GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event)
3108 (* GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) (widget, event);
3114 ev_view_do_popup_menu (EvView *view,
3121 image = ev_view_get_image_at_location (view, x, y);
3123 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, image);
3127 link = ev_view_get_link_at_location (view, x, y);
3129 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
3133 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, NULL);
3139 ev_view_popup_menu (GtkWidget *widget)
3143 gtk_widget_get_pointer (widget, &x, &y);
3144 return ev_view_do_popup_menu (EV_VIEW (widget), x, y);
3148 get_link_area (EvView *view,
3154 GList *link_mapping;
3156 gint x_offset = 0, y_offset = 0;
3158 x += view->scroll_x;
3159 y += view->scroll_y;
3161 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3163 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
3164 ev_view_get_area_from_mapping (view, page,
3170 get_annot_area (EvView *view,
3173 EvAnnotation *annot,
3176 GList *annots_mapping;
3178 gint x_offset = 0, y_offset = 0;
3180 x += view->scroll_x;
3181 y += view->scroll_y;
3183 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3185 annots_mapping = ev_pixbuf_cache_get_annots_mapping (view->pixbuf_cache, page);
3186 ev_view_get_area_from_mapping (view, page,
3192 ev_view_query_tooltip (GtkWidget *widget,
3195 gboolean keyboard_tip,
3196 GtkTooltip *tooltip)
3198 EvView *view = EV_VIEW (widget);
3200 EvAnnotation *annot;
3203 annot = ev_view_get_annotation_at_location (view, x, y);
3204 if (annot && annot->contents) {
3205 GdkRectangle annot_area;
3207 get_annot_area (view, x, y, annot, &annot_area);
3208 gtk_tooltip_set_text (tooltip, annot->contents);
3209 gtk_tooltip_set_tip_area (tooltip, &annot_area);
3214 link = ev_view_get_link_at_location (view, x, y);
3218 text = tip_from_link (view, link);
3219 if (text && g_utf8_validate (text, -1, NULL)) {
3220 GdkRectangle link_area;
3222 get_link_area (view, x, y, link, &link_area);
3223 gtk_tooltip_set_text (tooltip, text);
3224 gtk_tooltip_set_tip_area (tooltip, &link_area);
3232 start_selection_for_event (EvView *view,
3233 GdkEventButton *event)
3235 clear_selection (view);
3237 view->selection_info.start.x = event->x + view->scroll_x;
3238 view->selection_info.start.y = event->y + view->scroll_y;
3240 switch (event->type) {
3241 case GDK_2BUTTON_PRESS:
3242 view->selection_info.style = EV_SELECTION_STYLE_WORD;
3244 case GDK_3BUTTON_PRESS:
3245 view->selection_info.style = EV_SELECTION_STYLE_LINE;
3248 view->selection_info.style = EV_SELECTION_STYLE_GLYPH;
3252 /* In case of WORD or LINE, compute selections now */
3253 compute_selections (view,
3254 view->selection_info.style,
3255 &(view->selection_info.start),
3256 &(view->selection_info.start));
3260 ev_view_button_press_event (GtkWidget *widget,
3261 GdkEventButton *event)
3263 EvView *view = EV_VIEW (widget);
3265 if (!view->document)
3268 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
3269 gtk_widget_grab_focus (widget);
3272 if (view->window_child_focus) {
3273 EvAnnotationWindow *window;
3274 EvAnnotation *annot;
3276 window = EV_ANNOTATION_WINDOW (view->window_child_focus->window);
3277 annot = ev_annotation_window_get_annotation (window);
3278 ev_annotation_window_ungrab_focus (window);
3279 ev_view_annotation_save (view, annot);
3280 view->window_child_focus = NULL;
3283 view->pressed_button = event->button;
3284 view->selection_info.in_drag = FALSE;
3286 if (view->scroll_info.autoscrolling)
3289 switch (event->button) {
3292 EvAnnotation *annot;
3295 if (EV_IS_SELECTION (view->document) && view->selection_info.selections) {
3296 if (event->type == GDK_3BUTTON_PRESS) {
3297 start_selection_for_event (view, event);
3298 } else if (location_in_selected_text (view,
3299 event->x + view->scroll_x,
3300 event->y + view->scroll_y)) {
3301 view->selection_info.in_drag = TRUE;
3303 start_selection_for_event (view, event);
3306 gtk_widget_queue_draw (widget);
3307 } else if ((annot = ev_view_get_annotation_at_location (view, event->x, event->y))) {
3308 ev_view_handle_annotation (view, annot, event->x, event->y);
3309 } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) {
3310 ev_view_remove_all (view);
3311 ev_view_handle_form_field (view, field, event->x, event->y);
3312 } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) &&
3313 (image = ev_view_get_image_at_location (view, event->x, event->y))) {
3314 if (view->image_dnd_info.image)
3315 g_object_unref (view->image_dnd_info.image);
3316 view->image_dnd_info.image = g_object_ref (image);
3317 view->image_dnd_info.in_drag = TRUE;
3319 view->image_dnd_info.start.x = event->x + view->scroll_x;
3320 view->image_dnd_info.start.y = event->y + view->scroll_y;
3322 ev_view_remove_all (view);
3324 if (EV_IS_SELECTION (view->document))
3325 start_selection_for_event (view, event);
3330 /* use root coordinates as reference point because
3331 * scrolling changes window relative coordinates */
3332 view->drag_info.start.x = event->x_root;
3333 view->drag_info.start.y = event->y_root;
3334 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
3335 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
3337 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
3341 view->scroll_info.start_y = event->y;
3342 return ev_view_do_popup_menu (view, event->x, event->y);
3349 ev_view_remove_all (EvView *view)
3351 GList *children, *child;
3353 children = gtk_container_get_children (GTK_CONTAINER (view));
3354 for (child = children; child && child->data; child = g_list_next (child)) {
3355 gtk_container_remove (GTK_CONTAINER (view),
3356 GTK_WIDGET (child->data));
3358 g_list_free (children);
3361 /*** Drag and Drop ***/
3363 ev_view_drag_data_get (GtkWidget *widget,
3364 GdkDragContext *context,
3365 GtkSelectionData *selection_data,
3369 EvView *view = EV_VIEW (widget);
3372 case TARGET_DND_TEXT:
3373 if (EV_IS_SELECTION (view->document) &&
3374 view->selection_info.selections) {
3377 text = get_selected_text (view);
3378 gtk_selection_data_set_text (selection_data,
3384 case TARGET_DND_IMAGE:
3385 if (view->image_dnd_info.image) {
3388 ev_document_doc_mutex_lock ();
3389 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3390 view->image_dnd_info.image);
3391 ev_document_doc_mutex_unlock ();
3393 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
3394 g_object_unref (pixbuf);
3397 case TARGET_DND_URI:
3398 if (view->image_dnd_info.image) {
3400 const gchar *tmp_uri;
3403 ev_document_doc_mutex_lock ();
3404 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3405 view->image_dnd_info.image);
3406 ev_document_doc_mutex_unlock ();
3408 tmp_uri = ev_image_save_tmp (view->image_dnd_info.image, pixbuf);
3409 g_object_unref (pixbuf);
3411 uris[0] = (gchar *)tmp_uri;
3413 gtk_selection_data_set_uris (selection_data, uris);
3419 ev_view_drag_motion (GtkWidget *widget,
3420 GdkDragContext *context,
3425 if (gtk_drag_get_source_widget (context) == widget)
3426 gdk_drag_status (context, 0, time);
3428 gdk_drag_status (context, context->suggested_action, time);
3434 selection_update_idle_cb (EvView *view)
3436 compute_selections (view,
3437 view->selection_info.style,
3438 &view->selection_info.start,
3440 view->selection_update_id = 0;
3445 selection_scroll_timeout_cb (EvView *view)
3447 gint x, y, shift = 0;
3448 GtkWidget *widget = GTK_WIDGET (view);
3450 gtk_widget_get_pointer (widget, &x, &y);
3452 if (y > widget->allocation.height) {
3453 shift = (y - widget->allocation.height) / 2;
3459 gtk_adjustment_set_value (view->vadjustment,
3460 CLAMP (view->vadjustment->value + shift,
3461 view->vadjustment->lower,
3462 view->vadjustment->upper -
3463 view->vadjustment->page_size));
3465 if (x > widget->allocation.width) {
3466 shift = (x - widget->allocation.width) / 2;
3472 gtk_adjustment_set_value (view->hadjustment,
3473 CLAMP (view->hadjustment->value + shift,
3474 view->hadjustment->lower,
3475 view->hadjustment->upper -
3476 view->hadjustment->page_size));
3482 ev_view_drag_update_momentum (EvView *view)
3485 if (!view->drag_info.in_drag)
3488 for (i = DRAG_HISTORY - 1; i > 0; i--) {
3489 view->drag_info.buffer[i].x = view->drag_info.buffer[i-1].x;
3490 view->drag_info.buffer[i].y = view->drag_info.buffer[i-1].y;
3493 /* Momentum is a moving average of 10ms granularity over
3494 * the last 100ms with each 10ms stored in buffer.
3497 view->drag_info.momentum.x = (view->drag_info.buffer[DRAG_HISTORY - 1].x - view->drag_info.buffer[0].x);
3498 view->drag_info.momentum.y = (view->drag_info.buffer[DRAG_HISTORY - 1].y - view->drag_info.buffer[0].y);
3504 ev_view_scroll_drag_release (EvView *view)
3506 gdouble dhadj_value, dvadj_value;
3507 gdouble oldhadjustment, oldvadjustment;
3509 view->drag_info.momentum.x /= 1.2;
3510 view->drag_info.momentum.y /= 1.2; /* Alter these constants to change "friction" */
3512 dhadj_value = view->hadjustment->page_size *
3513 (gdouble)view->drag_info.momentum.x / GTK_WIDGET (view)->allocation.width;
3514 dvadj_value = view->vadjustment->page_size *
3515 (gdouble)view->drag_info.momentum.y / GTK_WIDGET (view)->allocation.height;
3517 oldhadjustment = gtk_adjustment_get_value (view->hadjustment);
3518 oldvadjustment = gtk_adjustment_get_value (view->vadjustment);
3520 /* When we reach the edges, we need either to absorb some momentum and bounce by
3521 * multiplying it on -0.5 or stop scrolling by setting momentum to 0. */
3522 if (((oldhadjustment + dhadj_value) > (view->hadjustment->upper - view->hadjustment->page_size)) ||
3523 ((oldhadjustment + dhadj_value) < 0))
3524 view->drag_info.momentum.x = 0;
3525 if (((oldvadjustment + dvadj_value) > (view->vadjustment->upper - view->vadjustment->page_size)) ||
3526 ((oldvadjustment + dvadj_value) < 0))
3527 view->drag_info.momentum.y = 0;
3529 gtk_adjustment_set_value (view->hadjustment,
3530 MIN (oldhadjustment + dhadj_value,
3531 view->hadjustment->upper - view->hadjustment->page_size));
3532 gtk_adjustment_set_value (view->vadjustment,
3533 MIN (oldvadjustment + dvadj_value,
3534 view->vadjustment->upper - view->vadjustment->page_size));
3536 if (((view->drag_info.momentum.x < 1) && (view->drag_info.momentum.x > -1)) &&
3537 ((view->drag_info.momentum.y < 1) && (view->drag_info.momentum.y > -1)))
3544 ev_view_motion_notify_event (GtkWidget *widget,
3545 GdkEventMotion *event)
3547 EvView *view = EV_VIEW (widget);
3550 if (!view->document)
3554 if (event->is_hint || event->window != view->layout.bin_window) {
3555 gtk_widget_get_pointer (widget, &x, &y);
3561 if (view->scroll_info.autoscrolling) {
3562 view->scroll_info.last_y = y;
3566 if (view->selection_info.in_drag) {
3567 if (gtk_drag_check_threshold (widget,
3568 view->selection_info.start.x,
3569 view->selection_info.start.y,
3571 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3573 gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT);
3575 gtk_drag_begin (widget, target_list,
3577 1, (GdkEvent *)event);
3579 view->selection_info.in_drag = FALSE;
3581 gtk_target_list_unref (target_list);
3585 } else if (view->image_dnd_info.in_drag) {
3586 if (gtk_drag_check_threshold (widget,
3587 view->selection_info.start.x,
3588 view->selection_info.start.y,
3590 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3592 gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI);
3593 gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE);
3595 gtk_drag_begin (widget, target_list,
3597 1, (GdkEvent *)event);
3599 view->image_dnd_info.in_drag = FALSE;
3601 gtk_target_list_unref (target_list);
3607 switch (view->pressed_button) {
3609 /* For the Evince 0.4.x release, we limit selection to un-rotated
3612 if (view->rotation != 0)
3615 /* Schedule timeout to scroll during selection and additionally
3616 * scroll once to allow arbitrary speed. */
3617 if (!view->selection_scroll_id)
3618 view->selection_scroll_id = g_timeout_add (SCROLL_TIME,
3619 (GSourceFunc)selection_scroll_timeout_cb,
3622 selection_scroll_timeout_cb (view);
3624 view->selection_info.in_selection = TRUE;
3625 view->motion.x = x + view->scroll_x;
3626 view->motion.y = y + view->scroll_y;
3628 /* Queue an idle to handle the motion. We do this because
3629 * handling any selection events in the motion could be slower
3630 * than new motion events reach us. We always put it in the
3631 * idle to make sure we catch up and don't visibly lag the
3633 if (!view->selection_update_id)
3634 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
3638 if (!view->drag_info.in_drag) {
3642 start = gtk_drag_check_threshold (widget,
3643 view->drag_info.start.x,
3644 view->drag_info.start.y,
3647 view->drag_info.in_drag = start;
3648 view->drag_info.drag_timeout_id = g_timeout_add (10,
3649 (GSourceFunc)ev_view_drag_update_momentum, view);
3650 /* Set 100 to choose how long it takes to build up momentum */
3651 /* Clear out previous momentum info: */
3652 for (i = 0; i < DRAG_HISTORY; i++) {
3653 view->drag_info.buffer[i].x = event->x;
3654 view->drag_info.buffer[i].y = event->y;
3656 view->drag_info.momentum.x = 0;
3657 view->drag_info.momentum.y = 0;
3660 if (view->drag_info.in_drag) {
3662 gdouble dhadj_value, dvadj_value;
3664 view->drag_info.buffer[0].x = event->x;
3665 view->drag_info.buffer[0].y = event->y;
3667 dx = event->x_root - view->drag_info.start.x;
3668 dy = event->y_root - view->drag_info.start.y;
3670 dhadj_value = view->hadjustment->page_size *
3671 (gdouble)dx / widget->allocation.width;
3672 dvadj_value = view->vadjustment->page_size *
3673 (gdouble)dy / widget->allocation.height;
3675 /* clamp scrolling to visible area */
3676 gtk_adjustment_set_value (view->hadjustment,
3677 MIN(view->drag_info.hadj - dhadj_value,
3678 view->hadjustment->upper -
3679 view->hadjustment->page_size));
3680 gtk_adjustment_set_value (view->vadjustment,
3681 MIN(view->drag_info.vadj - dvadj_value,
3682 view->vadjustment->upper -
3683 view->vadjustment->page_size));
3690 ev_view_handle_cursor_over_xy (view, x, y);
3697 ev_view_button_release_event (GtkWidget *widget,
3698 GdkEventButton *event)
3700 EvView *view = EV_VIEW (widget);
3701 EvLink *link = NULL;
3703 view->image_dnd_info.in_drag = FALSE;
3705 if (view->scroll_info.autoscrolling) {
3706 ev_view_autoscroll_stop (view);
3707 view->pressed_button = -1;
3712 if (view->drag_info.in_drag) {
3713 view->drag_info.release_timeout_id =
3715 (GSourceFunc)ev_view_scroll_drag_release, view);
3718 if (view->document && !view->drag_info.in_drag && view->pressed_button != 3) {
3719 link = ev_view_get_link_at_location (view, event->x, event->y);
3722 view->drag_info.in_drag = FALSE;
3724 if (view->pressed_button == 2) {
3725 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3728 view->pressed_button = -1;
3730 if (view->selection_scroll_id) {
3731 g_source_remove (view->selection_scroll_id);
3732 view->selection_scroll_id = 0;
3734 if (view->selection_update_id) {
3735 g_source_remove (view->selection_update_id);
3736 view->selection_update_id = 0;
3739 if (view->selection_info.selections) {
3740 clear_link_selected (view);
3741 ev_view_update_primary_selection (view);
3743 if (view->selection_info.in_drag) {
3744 clear_selection (view);
3745 gtk_widget_queue_draw (widget);
3748 view->selection_info.in_drag = FALSE;
3750 if (event->button == 2) {
3751 EvLinkAction *action;
3752 EvLinkActionType type;
3754 action = ev_link_get_action (link);
3758 type = ev_link_action_get_action_type (action);
3759 if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
3760 g_signal_emit (view,
3761 signals[SIGNAL_EXTERNAL_LINK],
3765 ev_view_handle_link (view, link);
3767 } else if (view->presentation) {
3768 switch (event->button) {
3770 ev_view_next_page (view);
3773 ev_view_previous_page (view);
3782 /* Cut and paste from gtkwindow.c */
3784 send_focus_change (GtkWidget *widget,
3787 GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE);
3789 g_object_ref (widget);
3792 GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
3794 GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
3796 fevent->focus_change.type = GDK_FOCUS_CHANGE;
3797 fevent->focus_change.window = g_object_ref (widget->window);
3798 fevent->focus_change.in = in;
3800 gtk_widget_event (widget, fevent);
3802 g_object_notify (G_OBJECT (widget), "has-focus");
3804 g_object_unref (widget);
3805 gdk_event_free (fevent);
3809 ev_view_goto_window_hide (EvView *view)
3811 /* send focus-in event */
3812 send_focus_change (view->goto_entry, FALSE);
3813 gtk_widget_hide (view->goto_window);
3814 gtk_entry_set_text (GTK_ENTRY (view->goto_entry), "");
3818 ev_view_goto_window_delete_event (GtkWidget *widget,
3822 ev_view_goto_window_hide (view);
3828 key_is_numeric (guint keyval)
3830 return ((keyval >= GDK_0 && keyval <= GDK_9) ||
3831 (keyval >= GDK_KP_0 && keyval <= GDK_KP_9));
3835 ev_view_goto_window_key_press_event (GtkWidget *widget,
3839 switch (event->keyval) {
3843 case GDK_ISO_Left_Tab:
3844 ev_view_goto_window_hide (view);
3853 if (!key_is_numeric (event->keyval))
3861 ev_view_goto_window_button_press_event (GtkWidget *widget,
3862 GdkEventButton *event,
3865 ev_view_goto_window_hide (view);
3871 ev_view_goto_entry_activate (GtkEntry *entry,
3877 text = gtk_entry_get_text (entry);
3878 page = atoi (text) - 1;
3880 ev_view_goto_window_hide (view);
3882 if (page >= 0 && page < ev_document_get_n_pages (view->document)) {
3883 ev_document_model_set_page (view->model, page);
3888 ev_view_goto_window_create (EvView *view)
3890 GtkWidget *frame, *hbox, *toplevel, *label;
3892 toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view));
3894 if (view->goto_window) {
3895 if (GTK_WINDOW (toplevel)->group)
3896 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
3897 GTK_WINDOW (view->goto_window));
3898 else if (GTK_WINDOW (view->goto_window)->group)
3899 gtk_window_group_remove_window (GTK_WINDOW (view->goto_window)->group,
3900 GTK_WINDOW (view->goto_window));
3904 view->goto_window = gtk_window_new (GTK_WINDOW_POPUP);
3905 gtk_window_set_screen (GTK_WINDOW (view->goto_window),
3906 gtk_widget_get_screen (GTK_WIDGET (view)));
3908 if (GTK_WINDOW (toplevel)->group)
3909 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
3910 GTK_WINDOW (view->goto_window));
3912 gtk_window_set_modal (GTK_WINDOW (view->goto_window), TRUE);
3914 g_signal_connect (view->goto_window, "delete_event",
3915 G_CALLBACK (ev_view_goto_window_delete_event),
3917 g_signal_connect (view->goto_window, "key_press_event",
3918 G_CALLBACK (ev_view_goto_window_key_press_event),
3920 g_signal_connect (view->goto_window, "button_press_event",
3921 G_CALLBACK (ev_view_goto_window_button_press_event),
3924 frame = gtk_frame_new (NULL);
3925 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
3926 gtk_container_add (GTK_CONTAINER (view->goto_window), frame);
3927 gtk_widget_show (frame);
3929 hbox = gtk_hbox_new (FALSE, 0);
3930 gtk_container_set_border_width (GTK_CONTAINER (hbox), 3);
3931 gtk_container_add (GTK_CONTAINER (frame), hbox);
3932 gtk_widget_show (hbox);
3934 label = gtk_label_new(_("Jump to page:"));
3935 gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 3);
3936 gtk_widget_show (label);
3937 gtk_widget_realize (label);
3939 view->goto_entry = gtk_entry_new ();
3940 g_signal_connect (view->goto_entry, "activate",
3941 G_CALLBACK (ev_view_goto_entry_activate),
3943 gtk_box_pack_start (GTK_BOX (hbox), view->goto_entry, TRUE, TRUE, 0);
3944 gtk_widget_show (view->goto_entry);
3945 gtk_widget_realize (view->goto_entry);
3949 ev_view_goto_entry_grab_focus (EvView *view)
3951 GtkWidgetClass *entry_parent_class;
3953 entry_parent_class = g_type_class_peek_parent (GTK_ENTRY_GET_CLASS (view->goto_entry));
3954 (entry_parent_class->grab_focus) (view->goto_entry);
3956 send_focus_change (view->goto_entry, TRUE);
3960 ev_view_goto_window_send_key_event (EvView *view,
3963 GdkEventKey *new_event;
3966 /* Move goto window off screen */
3967 screen = gtk_widget_get_screen (GTK_WIDGET (view));
3968 gtk_window_move (GTK_WINDOW (view->goto_window),
3969 gdk_screen_get_width (screen) + 1,
3970 gdk_screen_get_height (screen) + 1);
3971 gtk_widget_show (view->goto_window);
3973 new_event = (GdkEventKey *) gdk_event_copy (event);
3974 g_object_unref (new_event->window);
3975 new_event->window = g_object_ref (view->goto_window->window);
3976 gtk_widget_realize (view->goto_window);
3978 gtk_widget_event (view->goto_window, (GdkEvent *)new_event);
3979 gdk_event_free ((GdkEvent *)new_event);
3980 gtk_widget_hide (view->goto_window);
3984 ev_view_key_press_event (GtkWidget *widget,
3987 EvView *view = EV_VIEW (widget);
3988 EvPresentationState current;
3990 if (!view->document)
3993 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
3994 /* Forward key events to current focused window child */
3995 if (view->window_child_focus) {
3996 GdkEventKey *new_event;
3999 new_event = (GdkEventKey *) gdk_event_copy ((GdkEvent *)event);
4000 g_object_unref (new_event->window);
4001 new_event->window = g_object_ref (view->window_child_focus->window->window);
4002 gtk_widget_realize (view->window_child_focus->window);
4003 handled = gtk_widget_event (view->window_child_focus->window, (GdkEvent *)new_event);
4004 gdk_event_free ((GdkEvent *)new_event);
4012 if (!view->presentation ||
4013 view->presentation_state == EV_PRESENTATION_END)
4014 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
4017 current = view->presentation_state;
4019 switch (event->keyval) {
4023 case GDK_KP_Decimal:
4024 view->presentation_state =
4025 (view->presentation_state == EV_PRESENTATION_BLACK) ?
4026 EV_PRESENTATION_NORMAL : EV_PRESENTATION_BLACK;
4030 view->presentation_state =
4031 (view->presentation_state == EV_PRESENTATION_WHITE) ?
4032 EV_PRESENTATION_NORMAL : EV_PRESENTATION_WHITE;
4035 if (view->presentation_state == EV_PRESENTATION_BLACK ||
4036 view->presentation_state == EV_PRESENTATION_WHITE) {
4037 view->presentation_state = EV_PRESENTATION_NORMAL;
4041 if (current == view->presentation_state) {
4042 if (ev_document_get_n_pages (view->document) > 1 &&
4043 key_is_numeric (event->keyval)) {
4046 ev_view_goto_window_create (view);
4047 ev_view_goto_window_send_key_event (view, (GdkEvent *)event);
4048 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4049 gtk_window_move (GTK_WINDOW (view->goto_window), x, y);
4050 gtk_widget_show (view->goto_window);
4051 ev_view_goto_entry_grab_focus (view);
4056 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
4059 switch (view->presentation_state) {
4060 case EV_PRESENTATION_NORMAL:
4061 case EV_PRESENTATION_BLACK:
4062 gdk_window_set_background (view->layout.bin_window,
4063 &widget->style->black);
4065 case EV_PRESENTATION_WHITE:
4066 gdk_window_set_background (view->layout.bin_window,
4067 &widget->style->white);
4070 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
4073 gtk_widget_queue_draw (widget);
4078 ev_view_focus_in (GtkWidget *widget,
4079 GdkEventFocus *event)
4081 if (EV_VIEW (widget)->pixbuf_cache)
4082 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4083 gtk_widget_queue_draw (widget);
4089 ev_view_focus_out (GtkWidget *widget,
4090 GdkEventFocus *event)
4092 if (EV_VIEW (widget)->goto_window)
4093 ev_view_goto_window_hide (EV_VIEW (widget));
4095 if (EV_VIEW (widget)->pixbuf_cache)
4096 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4097 gtk_widget_queue_draw (widget);
4103 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
4105 EvView *view = EV_VIEW (widget);
4107 if (view->cursor != EV_VIEW_CURSOR_NORMAL)
4108 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
4114 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
4116 EvView *view = EV_VIEW (widget);
4118 ev_view_handle_cursor_over_xy (view, event->x, event->y);
4124 ev_view_style_set (GtkWidget *widget,
4125 GtkStyle *old_style)
4127 if (EV_VIEW (widget)->pixbuf_cache)
4128 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4130 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
4136 ev_gdk_color_to_rgb (const GdkColor *color)
4139 result = (0xff0000 | (color->red & 0xff00));
4141 result |= ((color->green & 0xff00) | (color->blue >> 8));
4146 draw_rubberband (GtkWidget *widget, GdkWindow *window,
4147 const GdkRectangle *rect, guchar alpha)
4151 GdkColor *fill_color_gdk;
4154 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
4155 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
4157 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
4158 rect->width, rect->height);
4159 gdk_pixbuf_fill (pixbuf, fill_color);
4161 gdk_draw_pixbuf (window, NULL, pixbuf,
4163 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
4164 rect->width, rect->height,
4165 GDK_RGB_DITHER_NONE,
4168 g_object_unref (pixbuf);
4170 gc = gdk_gc_new (window);
4171 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
4172 gdk_draw_rectangle (window, gc, FALSE,
4173 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
4176 g_object_unref (gc);
4178 gdk_color_free (fill_color_gdk);
4183 highlight_find_results (EvView *view, int page)
4185 gint i, n_results = 0;
4187 n_results = ev_view_find_get_n_results (view, page);
4189 for (i = 0; i < n_results; i++) {
4190 EvRectangle *rectangle;
4191 GdkRectangle view_rectangle;
4194 if (i == view->find_result && page == view->current_page) {
4200 rectangle = ev_view_find_get_result (view, page, i);
4201 doc_rect_to_view_rect (view, page, rectangle, &view_rectangle);
4202 draw_rubberband (GTK_WIDGET (view), view->layout.bin_window,
4203 &view_rectangle, alpha);
4208 draw_loading_text (EvView *view,
4209 GdkRectangle *page_area,
4210 GdkRectangle *expose_area)
4215 if (!view->loading_text) {
4216 const gchar *loading_text = _("Loading...");
4217 PangoLayout *layout;
4218 PangoFontDescription *font_desc;
4219 PangoRectangle logical_rect;
4223 ev_document_fc_mutex_lock ();
4225 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
4227 font_desc = pango_font_description_new ();
4229 /* We set the font to be 10 points, get the size, and scale appropriately */
4230 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
4231 pango_layout_set_font_description (layout, font_desc);
4232 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
4234 target_width = MAX (page_area->width / 2, 1);
4235 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
4236 pango_font_description_set_size (font_desc, (int)real_scale);
4237 pango_layout_set_font_description (layout, font_desc);
4238 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
4240 view->loading_text = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
4242 logical_rect.height);
4243 cr = cairo_create (view->loading_text);
4244 cairo_set_source_rgb (cr,
4248 pango_cairo_show_layout (cr, layout);
4251 pango_font_description_free (font_desc);
4252 g_object_unref (layout);
4254 ev_document_fc_mutex_unlock ();
4257 width = (page_area->width - cairo_image_surface_get_width (view->loading_text)) / 2;
4258 height = (page_area->height - cairo_image_surface_get_height (view->loading_text)) / 2;
4260 cr = gdk_cairo_create (view->layout.bin_window);
4261 cairo_translate (cr,
4262 page_area->x + width,
4263 page_area->y + height);
4264 cairo_set_source_surface (cr, view->loading_text, 0, 0);
4270 draw_one_page (EvView *view,
4273 GdkRectangle *page_area,
4275 GdkRectangle *expose_area,
4276 gboolean *page_ready)
4278 GdkRectangle overlap;
4279 GdkRectangle real_page_area;
4281 g_assert (view->document);
4283 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
4286 /* Render the document itself */
4287 real_page_area = *page_area;
4289 real_page_area.x += border->left;
4290 real_page_area.y += border->top;
4291 real_page_area.width -= (border->left + border->right);
4292 real_page_area.height -= (border->top + border->bottom);
4295 if (!view->presentation) {
4298 current_page = ev_document_model_get_page (view->model);
4299 ev_document_misc_paint_one_page (view->layout.bin_window,
4302 page == current_page);
4305 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
4307 gint page_width, page_height;
4308 cairo_surface_t *page_surface = NULL;
4309 gint selection_width, selection_height;
4310 cairo_surface_t *selection_surface = NULL;
4312 page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page);
4314 if (!page_surface) {
4315 if (!view->presentation) {
4316 draw_loading_text (view,
4321 *page_ready = FALSE;
4326 ev_view_get_page_size (view, page, &width, &height);
4328 page_width = cairo_image_surface_get_width (page_surface);
4329 page_height = cairo_image_surface_get_height (page_surface);
4332 cairo_translate (cr, overlap.x, overlap.y);
4334 if (width != page_width || height != page_height) {
4335 cairo_pattern_set_filter (cairo_get_source (cr),
4338 (gdouble)width / page_width,
4339 (gdouble)height / page_height);
4342 cairo_surface_set_device_offset (page_surface,
4343 overlap.x - real_page_area.x,
4344 overlap.y - real_page_area.y);
4345 cairo_set_source_surface (cr, page_surface, 0, 0);
4349 /* Get the selection pixbuf iff we have something to draw */
4350 if (find_selection_for_page (view, page) &&
4351 view->selection_mode == EV_VIEW_SELECTION_TEXT) {
4353 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
4359 if (!selection_surface) {
4363 selection_width = cairo_image_surface_get_width (selection_surface);
4364 selection_height = cairo_image_surface_get_height (selection_surface);
4367 cairo_translate (cr, overlap.x, overlap.y);
4369 if (width != selection_width || height != selection_height) {
4370 cairo_pattern_set_filter (cairo_get_source (cr),
4373 (gdouble)width / selection_width,
4374 (gdouble)height / selection_height);
4377 cairo_surface_set_device_offset (selection_surface,
4378 overlap.x - real_page_area.x,
4379 overlap.y - real_page_area.y);
4380 cairo_set_source_surface (cr, selection_surface, 0, 0);
4386 /*** GObject functions ***/
4389 ev_view_finalize (GObject *object)
4391 EvView *view = EV_VIEW (object);
4393 clear_selection (view);
4394 clear_link_selected (view);
4396 if (view->image_dnd_info.image)
4397 g_object_unref (view->image_dnd_info.image);
4398 view->image_dnd_info.image = NULL;
4400 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
4404 ev_view_destroy (GtkObject *object)
4406 EvView *view = EV_VIEW (object);
4409 g_object_unref (view->model);
4413 if (view->document) {
4414 g_object_unref (view->document);
4415 view->document = NULL;
4418 if (view->pixbuf_cache) {
4419 g_object_unref (view->pixbuf_cache);
4420 view->pixbuf_cache = NULL;
4423 if (view->goto_window) {
4424 gtk_widget_destroy (view->goto_window);
4425 view->goto_window = NULL;
4426 view->goto_entry = NULL;
4429 ev_view_window_children_free (view);
4431 if (view->selection_scroll_id) {
4432 g_source_remove (view->selection_scroll_id);
4433 view->selection_scroll_id = 0;
4436 if (view->selection_update_id) {
4437 g_source_remove (view->selection_update_id);
4438 view->selection_update_id = 0;
4441 if (view->loading_text) {
4442 cairo_surface_destroy (view->loading_text);
4443 view->loading_text = NULL;
4446 if (view->scroll_info.timeout_id) {
4447 g_source_remove (view->scroll_info.timeout_id);
4448 view->scroll_info.timeout_id = 0;
4451 if (view->drag_info.drag_timeout_id) {
4452 g_source_remove (view->drag_info.drag_timeout_id);
4453 view->drag_info.drag_timeout_id = 0;
4456 if (view->drag_info.release_timeout_id) {
4457 g_source_remove (view->drag_info.release_timeout_id);
4458 view->drag_info.release_timeout_id = 0;
4461 ev_view_presentation_transition_stop (view);
4463 ev_view_set_scroll_adjustments (GTK_LAYOUT (view), NULL, NULL);
4465 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
4469 ev_view_set_property (GObject *object,
4471 const GValue *value,
4474 EvView *view = EV_VIEW (object);
4477 case PROP_CONTINUOUS:
4478 ev_view_set_continuous (view, g_value_get_boolean (value));
4480 case PROP_DUAL_PAGE:
4481 ev_view_set_dual_page (view, g_value_get_boolean (value));
4483 case PROP_FULLSCREEN:
4484 ev_view_set_fullscreen (view, g_value_get_boolean (value));
4486 case PROP_PRESENTATION:
4487 ev_view_set_presentation (view, g_value_get_boolean (value));
4489 case PROP_SIZING_MODE:
4490 ev_view_set_sizing_mode (view, g_value_get_enum (value));
4493 ev_view_set_zoom (view, g_value_get_double (value));
4496 ev_view_set_rotation (view, g_value_get_int (value));
4499 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
4504 ev_view_get_accessible (GtkWidget *widget)
4506 static gboolean first_time = TRUE;
4509 AtkObjectFactory *factory;
4510 AtkRegistry *registry;
4512 GType derived_atk_type;
4515 * Figure out whether accessibility is enabled by looking at the
4516 * type of the accessible object which would be created for
4517 * the parent type of EvView.
4519 derived_type = g_type_parent (EV_TYPE_VIEW);
4521 registry = atk_get_default_registry ();
4522 factory = atk_registry_get_factory (registry,
4524 derived_atk_type = atk_object_factory_get_accessible_type (factory);
4525 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
4526 atk_registry_set_factory_type (registry,
4528 ev_view_accessible_factory_get_type ());
4531 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
4535 ev_view_get_property (GObject *object,
4540 EvView *view = EV_VIEW (object);
4543 case PROP_CONTINUOUS:
4544 g_value_set_boolean (value, view->continuous);
4546 case PROP_DUAL_PAGE:
4547 g_value_set_boolean (value, view->dual_page);
4549 case PROP_FULLSCREEN:
4550 g_value_set_boolean (value, view->fullscreen);
4552 case PROP_PRESENTATION:
4553 g_value_set_boolean (value, view->presentation);
4555 case PROP_SIZING_MODE:
4556 g_value_set_enum (value, view->sizing_mode);
4559 g_value_set_double (value, view->scale);
4562 g_value_set_int (value, view->rotation);
4564 case PROP_HAS_SELECTION:
4565 g_value_set_boolean (value,
4566 view->selection_info.selections != NULL);
4569 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
4574 ev_view_class_init (EvViewClass *class)
4576 GObjectClass *object_class = G_OBJECT_CLASS (class);
4577 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
4578 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
4579 GtkLayoutClass *layout_class = GTK_LAYOUT_CLASS (class);
4580 GtkBindingSet *binding_set;
4582 object_class->finalize = ev_view_finalize;
4583 object_class->set_property = ev_view_set_property;
4584 object_class->get_property = ev_view_get_property;
4586 widget_class->expose_event = ev_view_expose_event;
4587 widget_class->button_press_event = ev_view_button_press_event;
4588 widget_class->motion_notify_event = ev_view_motion_notify_event;
4589 widget_class->button_release_event = ev_view_button_release_event;
4590 widget_class->key_press_event = ev_view_key_press_event;
4591 widget_class->focus_in_event = ev_view_focus_in;
4592 widget_class->focus_out_event = ev_view_focus_out;
4593 widget_class->get_accessible = ev_view_get_accessible;
4594 widget_class->size_request = ev_view_size_request;
4595 widget_class->size_allocate = ev_view_size_allocate;
4596 widget_class->realize = ev_view_realize;
4597 widget_class->scroll_event = ev_view_scroll_event;
4598 widget_class->enter_notify_event = ev_view_enter_notify_event;
4599 widget_class->leave_notify_event = ev_view_leave_notify_event;
4600 widget_class->style_set = ev_view_style_set;
4601 widget_class->drag_data_get = ev_view_drag_data_get;
4602 widget_class->drag_motion = ev_view_drag_motion;
4603 widget_class->popup_menu = ev_view_popup_menu;
4604 widget_class->query_tooltip = ev_view_query_tooltip;
4606 gtk_object_class->destroy = ev_view_destroy;
4608 layout_class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
4610 class->binding_activated = ev_view_scroll;
4612 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
4613 G_TYPE_FROM_CLASS (object_class),
4614 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4615 G_STRUCT_OFFSET (EvViewClass, binding_activated),
4617 ev_view_marshal_VOID__ENUM_BOOLEAN,
4619 GTK_TYPE_SCROLL_TYPE,
4621 signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link",
4622 G_TYPE_FROM_CLASS (object_class),
4623 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4624 G_STRUCT_OFFSET (EvViewClass, handle_link),
4626 g_cclosure_marshal_VOID__OBJECT,
4629 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
4630 G_TYPE_FROM_CLASS (object_class),
4631 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4632 G_STRUCT_OFFSET (EvViewClass, external_link),
4634 g_cclosure_marshal_VOID__OBJECT,
4637 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
4638 G_TYPE_FROM_CLASS (object_class),
4639 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4640 G_STRUCT_OFFSET (EvViewClass, popup_menu),
4642 g_cclosure_marshal_VOID__OBJECT,
4647 g_object_class_install_property (object_class,
4649 g_param_spec_boolean ("continuous",
4651 "Continuous scrolling mode",
4653 G_PARAM_READWRITE));
4655 g_object_class_install_property (object_class,
4657 g_param_spec_boolean ("dual-page",
4659 "Two pages visible at once",
4661 G_PARAM_READWRITE));
4662 g_object_class_install_property (object_class,
4664 g_param_spec_boolean ("fullscreen",
4666 "Draw page in a fullscreen fashion",
4668 G_PARAM_READWRITE));
4669 g_object_class_install_property (object_class,
4671 g_param_spec_boolean ("presentation",
4673 "Draw page in presentation mode",
4675 G_PARAM_READWRITE));
4677 g_object_class_install_property (object_class,
4679 g_param_spec_enum ("sizing-mode",
4682 EV_TYPE_SIZING_MODE,
4683 EV_SIZING_FIT_WIDTH,
4684 G_PARAM_READWRITE));
4686 g_object_class_install_property (object_class,
4688 g_param_spec_double ("zoom",
4694 G_PARAM_READWRITE));
4695 g_object_class_install_property (object_class,
4697 g_param_spec_double ("rotation",
4703 G_PARAM_READWRITE));
4705 g_object_class_install_property (object_class,
4707 g_param_spec_boolean ("has-selection",
4709 "The view has selections",
4713 binding_set = gtk_binding_set_by_class (class);
4715 add_scroll_binding_keypad (binding_set, GDK_Left, 0, GTK_SCROLL_STEP_BACKWARD, TRUE);
4716 add_scroll_binding_keypad (binding_set, GDK_Right, 0, GTK_SCROLL_STEP_FORWARD, TRUE);
4717 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, TRUE);
4718 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, TRUE);
4719 add_scroll_binding_keypad (binding_set, GDK_Up, 0, GTK_SCROLL_STEP_BACKWARD, FALSE);
4720 add_scroll_binding_keypad (binding_set, GDK_Down, 0, GTK_SCROLL_STEP_FORWARD, FALSE);
4721 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, FALSE);
4722 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, FALSE);
4723 gtk_binding_entry_add_signal (binding_set, GDK_H, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4724 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE);
4725 gtk_binding_entry_add_signal (binding_set, GDK_J, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4726 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE);
4727 gtk_binding_entry_add_signal (binding_set, GDK_K, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4728 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE);
4729 gtk_binding_entry_add_signal (binding_set, GDK_L, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4730 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE);
4735 ev_view_init (EvView *view)
4737 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
4739 view->start_page = -1;
4740 view->end_page = -1;
4743 view->current_page = 0;
4744 view->pressed_button = -1;
4745 view->cursor = EV_VIEW_CURSOR_NORMAL;
4746 view->drag_info.in_drag = FALSE;
4747 view->scroll_info.autoscrolling = FALSE;
4748 view->selection_info.selections = NULL;
4749 view->selection_info.in_selection = FALSE;
4750 view->selection_info.in_drag = FALSE;
4751 view->selection_mode = EV_VIEW_SELECTION_TEXT;
4752 view->continuous = TRUE;
4753 view->dual_page = FALSE;
4754 view->presentation = FALSE;
4755 view->presentation_state = EV_PRESENTATION_NORMAL;
4756 view->fullscreen = FALSE;
4757 view->sizing_mode = EV_SIZING_FIT_WIDTH;
4758 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4759 view->jump_to_find_result = TRUE;
4760 view->highlight_find_results = FALSE;
4762 gtk_layout_set_hadjustment (GTK_LAYOUT (view), NULL);
4763 gtk_layout_set_vadjustment (GTK_LAYOUT (view), NULL);
4769 ev_view_change_page (EvView *view,
4771 gboolean start_transition)
4775 view->current_page = new_page;
4776 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4778 if (view->presentation && start_transition)
4779 ev_view_presentation_transition_start (view);
4781 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4782 ev_view_handle_cursor_over_xy (view, x, y);
4784 gtk_widget_queue_resize (GTK_WIDGET (view));
4788 ev_view_transition_animation_finish (EvTransitionAnimation *animation,
4791 g_object_unref (view->animation);
4792 view->animation = NULL;
4793 ev_view_change_page (view, view->current_page, TRUE);
4797 * ev_view_transition_animation_cancel:
4798 * @animation: Animation to finish
4801 * Does almost the same as cancel, but without scheduling the transition.
4805 ev_view_transition_animation_cancel (EvTransitionAnimation *animation,
4808 g_object_unref (view->animation);
4809 view->animation = NULL;
4810 ev_view_change_page (view, view->current_page, FALSE);
4814 ev_view_transition_animation_frame (EvTransitionAnimation *animation,
4818 gtk_widget_queue_draw (GTK_WIDGET (view));
4822 ev_view_presentation_animation_start (EvView *view,
4825 EvTransitionEffect *effect = NULL;
4826 cairo_surface_t *surface;
4828 if (EV_IS_DOCUMENT_TRANSITION (view->document))
4829 effect = ev_document_transition_get_effect (EV_DOCUMENT_TRANSITION (view->document),
4830 view->current_page);
4834 view->animation = ev_transition_animation_new (effect);
4836 surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page);
4837 ev_transition_animation_set_origin_surface (view->animation, surface);
4838 surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, new_page);
4840 ev_transition_animation_set_dest_surface (view->animation, surface);
4842 g_signal_connect (view->animation, "frame",
4843 G_CALLBACK (ev_view_transition_animation_frame), view);
4844 g_signal_connect (view->animation, "finished",
4845 G_CALLBACK (ev_view_transition_animation_finish), view);
4849 job_finished_cb (EvPixbufCache *pixbuf_cache,
4853 if (view->animation) {
4854 cairo_surface_t *surface;
4856 surface = ev_pixbuf_cache_get_surface (pixbuf_cache, view->current_page);
4857 ev_transition_animation_set_dest_surface (view->animation, surface);
4861 gdk_window_invalidate_region (view->layout.bin_window,
4864 gtk_widget_queue_draw (GTK_WIDGET (view));
4869 ev_view_page_changed_cb (EvDocumentModel *model,
4874 if (!view->document)
4877 if (view->current_page != new_page) {
4878 if (view->presentation)
4879 ev_view_presentation_animation_start (view, new_page);
4881 ev_view_change_page (view, new_page, TRUE);
4883 gtk_widget_queue_draw (GTK_WIDGET (view));
4886 view->find_result = 0;
4890 on_adjustment_value_changed (GtkAdjustment *adjustment,
4895 GList *children, *l;
4897 if (! GTK_WIDGET_REALIZED (view))
4900 if (view->hadjustment) {
4901 dx = view->scroll_x - (int) view->hadjustment->value;
4902 view->scroll_x = (int) view->hadjustment->value;
4907 if (view->vadjustment) {
4908 dy = view->scroll_y - (int) view->vadjustment->value;
4909 view->scroll_y = (int) view->vadjustment->value;
4914 children = gtk_container_get_children (GTK_CONTAINER (view));
4915 for (l = children; l && l->data; l = g_list_next (l)) {
4916 gint child_x, child_y;
4917 GtkWidget *child = (GtkWidget *)l->data;
4919 gtk_container_child_get (GTK_CONTAINER (view),
4924 gtk_layout_move (GTK_LAYOUT (view), child, child_x + dx, child_y + dy);
4926 g_list_free (children);
4928 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
4929 EvViewWindowChild *child;
4931 child = (EvViewWindowChild *)l->data;
4933 ev_view_window_child_move (view, child, child->x + dx, child->y + dy);
4936 if (view->pending_resize)
4937 gtk_widget_queue_draw (GTK_WIDGET (view));
4939 gdk_window_scroll (view->layout.bin_window, dx, dy);
4941 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4942 ev_view_handle_cursor_over_xy (view, x, y);
4945 view_update_range_and_current_page (view);
4953 view = g_object_new (EV_TYPE_VIEW, NULL);
4959 setup_caches (EvView *view)
4961 view->height_to_page_cache = ev_view_get_height_to_page_cache (view);
4962 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
4963 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
4967 clear_caches (EvView *view)
4969 if (view->pixbuf_cache) {
4970 g_object_unref (view->pixbuf_cache);
4971 view->pixbuf_cache = NULL;
4976 ev_view_set_loading (EvView *view,
4979 view->loading = loading;
4980 gtk_widget_queue_draw (GTK_WIDGET (view));
4984 ev_view_autoscroll_cb (EvView *view)
4986 gdouble speed, value;
4988 /* If the user stops autoscrolling, autoscrolling will be
4989 * set to false but the timeout will continue; stop the timeout: */
4990 if (!view->scroll_info.autoscrolling) {
4991 view->scroll_info.timeout_id = 0;
4995 if (view->scroll_info.last_y > view->scroll_info.start_y &&
4996 (view->scroll_info.last_y < view->scroll_info.start_y))
4999 /* Replace 100 with your speed of choice: The lower the faster.
5000 * Replace 3 with another speed of choice: The higher, the faster it accelerated
5001 * based on the distance of the starting point from the mouse
5002 * (All also effected by the timeout interval of this callback) */
5004 if (view->scroll_info.start_y > view->scroll_info.last_y)
5005 speed = -pow ((((gdouble)view->scroll_info.start_y - view->scroll_info.last_y) / 100), 3);
5007 speed = pow ((((gdouble)view->scroll_info.last_y - view->scroll_info.start_y) / 100), 3);
5009 value = gtk_adjustment_get_value (view->vadjustment);
5010 value = CLAMP (value + speed, 0, view->vadjustment->upper - view->vadjustment->page_size);
5011 gtk_adjustment_set_value (view->vadjustment, value);
5018 ev_view_autoscroll_start (EvView *view)
5022 g_return_if_fail (EV_IS_VIEW (view));
5024 if (view->scroll_info.autoscrolling)
5027 view->scroll_info.autoscrolling = TRUE;
5028 view->scroll_info.timeout_id =
5029 g_timeout_add (20, (GSourceFunc)ev_view_autoscroll_cb,
5032 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
5033 ev_view_handle_cursor_over_xy (view, x, y);
5037 ev_view_autoscroll_stop (EvView *view)
5041 g_return_if_fail (EV_IS_VIEW (view));
5043 if (!view->scroll_info.autoscrolling)
5046 view->scroll_info.autoscrolling = FALSE;
5047 if (view->scroll_info.timeout_id) {
5048 g_source_remove (view->scroll_info.timeout_id);
5049 view->scroll_info.timeout_id = 0;
5052 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
5053 ev_view_handle_cursor_over_xy (view, x, y);
5057 ev_view_document_changed_cb (EvDocumentModel *model,
5061 EvDocument *document = ev_document_model_get_document (model);
5063 view->loading = FALSE;
5065 if (document != view->document) {
5066 clear_caches (view);
5068 if (view->document) {
5069 g_object_unref (view->document);
5072 view->document = document;
5073 view->find_result = 0;
5075 if (view->document) {
5076 g_object_ref (view->document);
5077 setup_caches (view);
5080 ev_view_change_page (view,
5081 ev_document_model_get_page (model),
5087 ev_view_rotation_changed_cb (EvDocumentModel *model,
5091 gint rotation = ev_document_model_get_rotation (model);
5093 ev_view_set_rotation (view, rotation);
5095 if (view->pixbuf_cache) {
5096 ev_pixbuf_cache_clear (view->pixbuf_cache);
5097 gtk_widget_queue_resize (GTK_WIDGET (view));
5101 clear_selection (view);
5105 ev_view_sizing_mode_changed_cb (EvDocumentModel *model,
5109 EvSizingMode mode = ev_document_model_get_sizing_mode (model);
5111 ev_view_set_sizing_mode (view, mode);
5113 if (mode != EV_SIZING_FREE)
5114 gtk_widget_queue_resize (GTK_WIDGET (view));
5117 #define EPSILON 0.0000001
5119 ev_view_scale_changed_cb (EvDocumentModel *model,
5123 gdouble scale = ev_document_model_get_scale (model);
5125 if (ABS (view->scale - scale) < EPSILON)
5128 if (view->loading_text) {
5129 cairo_surface_destroy (view->loading_text);
5130 view->loading_text = NULL;
5133 ev_view_set_zoom (view, scale);
5135 view->pending_resize = TRUE;
5136 gtk_widget_queue_resize (GTK_WIDGET (view));
5140 ev_view_set_model (EvView *view,
5141 EvDocumentModel *model)
5143 g_return_if_fail (EV_IS_VIEW (view));
5144 g_return_if_fail (EV_IS_DOCUMENT_MODEL (model));
5146 if (model == view->model)
5150 g_signal_handlers_disconnect_by_func (view->model,
5151 ev_view_document_changed_cb,
5153 g_signal_handlers_disconnect_by_func (view->model,
5154 ev_view_page_changed_cb,
5156 g_object_unref (view->model);
5158 view->model = g_object_ref (model);
5159 g_signal_connect (view->model, "notify::document",
5160 G_CALLBACK (ev_view_document_changed_cb),
5162 g_signal_connect (view->model, "notify::rotation",
5163 G_CALLBACK (ev_view_rotation_changed_cb),
5165 g_signal_connect (view->model, "notify::sizing-mode",
5166 G_CALLBACK (ev_view_sizing_mode_changed_cb),
5168 g_signal_connect (view->model, "notify::scale",
5169 G_CALLBACK (ev_view_scale_changed_cb),
5171 g_signal_connect (view->model, "page-changed",
5172 G_CALLBACK (ev_view_page_changed_cb),
5177 ev_view_reload_page (EvView *view,
5181 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
5189 ev_view_reload (EvView *view)
5191 ev_pixbuf_cache_clear (view->pixbuf_cache);
5192 view_update_range_and_current_page (view);
5195 /*** Zoom and sizing mode ***/
5198 ev_view_set_zoom (EvView *view,
5201 view->scale = scale;
5203 g_object_notify (G_OBJECT (view), "zoom");
5207 ev_view_get_zoom (EvView *view)
5213 ev_view_get_continuous (EvView *view)
5215 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5217 return view->continuous;
5221 ev_view_set_continuous (EvView *view,
5222 gboolean continuous)
5224 g_return_if_fail (EV_IS_VIEW (view));
5226 continuous = continuous != FALSE;
5228 if (view->continuous != continuous) {
5229 view->continuous = continuous;
5230 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5231 gtk_widget_queue_resize (GTK_WIDGET (view));
5234 g_object_notify (G_OBJECT (view), "continuous");
5238 ev_view_get_dual_page (EvView *view)
5240 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5242 return view->dual_page;
5246 ev_view_set_dual_page (EvView *view,
5249 g_return_if_fail (EV_IS_VIEW (view));
5251 dual_page = dual_page != FALSE;
5253 if (view->dual_page == dual_page)
5256 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5257 view->dual_page = dual_page;
5258 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
5259 * preload_cache_size to be 2 if dual_page is set.
5261 gtk_widget_queue_resize (GTK_WIDGET (view));
5263 g_object_notify (G_OBJECT (view), "dual-page");
5267 ev_view_set_fullscreen (EvView *view,
5268 gboolean fullscreen)
5270 g_return_if_fail (EV_IS_VIEW (view));
5272 fullscreen = fullscreen != FALSE;
5274 if (view->fullscreen == fullscreen)
5277 view->fullscreen = fullscreen;
5278 gtk_widget_queue_resize (GTK_WIDGET (view));
5280 g_object_notify (G_OBJECT (view), "fullscreen");
5284 ev_view_get_fullscreen (EvView *view)
5286 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5288 return view->fullscreen;
5292 ev_view_set_presentation (EvView *view,
5293 gboolean presentation)
5295 g_return_if_fail (EV_IS_VIEW (view));
5297 presentation = presentation != FALSE;
5299 if (view->presentation == presentation)
5303 view->presentation_state = EV_PRESENTATION_NORMAL;
5305 view->presentation = presentation;
5306 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5309 view->sizing_mode_saved = view->sizing_mode;
5310 view->scale_saved = view->scale;
5311 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
5313 ev_document_model_set_sizing_mode (view->model, view->sizing_mode_saved);
5314 ev_document_model_set_scale (view->model, view->scale_saved);
5317 gtk_widget_queue_resize (GTK_WIDGET (view));
5320 ev_view_presentation_transition_start (view);
5322 ev_view_presentation_transition_stop (view);
5324 if (view->animation) {
5325 /* stop any running animation */
5326 ev_view_transition_animation_cancel (view->animation, view);
5330 if (GTK_WIDGET_REALIZED (view)) {
5331 if (view->presentation)
5332 gdk_window_set_background (view->layout.bin_window,
5333 >K_WIDGET (view)->style->black);
5335 gdk_window_set_background (view->layout.bin_window,
5336 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
5339 g_object_notify (G_OBJECT (view), "presentation");
5343 ev_view_get_presentation (EvView *view)
5345 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5347 return view->presentation;
5351 transition_next_page (EvView *view)
5353 ev_view_next_page (view);
5359 ev_view_presentation_transition_stop (EvView *view)
5361 if (view->trans_timeout_id > 0)
5362 g_source_remove (view->trans_timeout_id);
5363 view->trans_timeout_id = 0;
5367 ev_view_presentation_transition_start (EvView *view)
5371 if (!EV_IS_DOCUMENT_TRANSITION (view->document))
5374 ev_view_presentation_transition_stop (view);
5376 duration = ev_document_transition_get_page_duration (EV_DOCUMENT_TRANSITION (view->document),
5377 view->current_page);
5379 view->trans_timeout_id =
5380 g_timeout_add_seconds (duration,
5381 (GSourceFunc) transition_next_page,
5387 ev_view_set_sizing_mode (EvView *view,
5388 EvSizingMode sizing_mode)
5390 view->sizing_mode = sizing_mode;
5392 g_object_notify (G_OBJECT (view), "sizing-mode");
5396 ev_view_get_sizing_mode (EvView *view)
5398 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
5400 return view->sizing_mode;
5404 ev_view_can_zoom_in (EvView *view)
5406 return view->scale * ZOOM_IN_FACTOR <= ev_document_model_get_max_scale (view->model);
5410 ev_view_can_zoom_out (EvView *view)
5412 return view->scale * ZOOM_OUT_FACTOR >= ev_document_model_get_min_scale (view->model);
5416 ev_view_zoom_in (EvView *view)
5420 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5422 if (view->presentation)
5425 view->pending_scroll = SCROLL_TO_CENTER;
5426 scale = ev_document_model_get_scale (view->model) * ZOOM_IN_FACTOR;
5427 ev_document_model_set_scale (view->model, scale);
5431 ev_view_zoom_out (EvView *view)
5435 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5437 if (view->presentation)
5440 view->pending_scroll = SCROLL_TO_CENTER;
5441 scale = ev_document_model_get_scale (view->model) * ZOOM_OUT_FACTOR;
5442 ev_document_model_set_scale (view->model, scale);
5446 ev_view_set_rotation (EvView *view, int rotation)
5448 view->rotation = rotation;
5450 g_object_notify (G_OBJECT (view), "rotation");
5454 ev_view_get_rotation (EvView *view)
5456 return view->rotation;
5460 zoom_for_size_fit_width (gdouble doc_width,
5467 scale = (double)target_width / doc_width;
5469 if (doc_height * scale > target_height)
5470 scale = (double)target_width / doc_width;
5476 zoom_for_size_fit_height (gdouble doc_width,
5483 scale = (double)target_height / doc_height;
5485 if (doc_width * scale > target_width)
5486 scale = (double)target_height / doc_height;
5492 zoom_for_size_best_fit (gdouble doc_width,
5500 w_scale = (double)target_width / doc_width;
5501 h_scale = (double)target_height / doc_height;
5503 if (doc_height * w_scale > target_height)
5504 w_scale = (double)target_width / doc_width;
5505 if (doc_width * h_scale > target_width)
5506 h_scale = (double)target_height / doc_height;
5508 return MIN (w_scale, h_scale);
5513 ev_view_zoom_for_size_presentation (EvView *view,
5517 gdouble doc_width, doc_height;
5520 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5521 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5522 ev_document_model_set_scale (view->model, scale);
5526 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
5530 gdouble doc_width, doc_height;
5534 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5535 if (view->rotation == 90 || view->rotation == 270) {
5539 doc_width = doc_height;
5543 compute_border (view, doc_width, doc_height, &border);
5546 width -= (2 * (border.left + border.right) + 3 * view->spacing);
5547 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5549 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5550 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height);
5551 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5552 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5554 g_assert_not_reached ();
5556 ev_document_model_set_scale (view->model, scale);
5560 ev_view_zoom_for_size_continuous (EvView *view,
5564 gdouble doc_width, doc_height;
5568 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5569 if (view->rotation == 90 || view->rotation == 270) {
5573 doc_width = doc_height;
5577 compute_border (view, doc_width, doc_height, &border);
5579 width -= (border.left + border.right + 2 * view->spacing);
5580 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5582 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5583 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height);
5584 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5585 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5587 g_assert_not_reached ();
5589 ev_document_model_set_scale (view->model, scale);
5593 ev_view_zoom_for_size_dual_page (EvView *view,
5598 gdouble doc_width, doc_height;
5602 other_page = view->current_page ^ 1;
5604 /* Find the largest of the two. */
5605 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5606 if (other_page < ev_document_get_n_pages (view->document)) {
5607 gdouble width_2, height_2;
5609 get_doc_page_size (view, other_page, &width_2, &height_2);
5610 if (width_2 > doc_width)
5611 doc_width = width_2;
5612 if (height_2 > doc_height)
5613 doc_height = height_2;
5615 compute_border (view, width, height, &border);
5617 doc_width = doc_width * 2;
5618 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
5619 height -= (border.top + border.bottom + 2 * view->spacing);
5621 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5622 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height);
5623 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5624 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5626 g_assert_not_reached ();
5628 ev_document_model_set_scale (view->model, scale);
5632 ev_view_zoom_for_size_single_page (EvView *view,
5636 gdouble doc_width, doc_height;
5640 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5642 /* Get an approximate border */
5643 compute_border (view, width, height, &border);
5645 width -= (border.left + border.right + 2 * view->spacing);
5646 height -= (border.top + border.bottom + 2 * view->spacing);
5648 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5649 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height);
5650 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5651 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5653 g_assert_not_reached ();
5655 ev_document_model_set_scale (view->model, scale);
5659 ev_view_zoom_for_size (EvView *view,
5663 g_return_if_fail (EV_IS_VIEW (view));
5664 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
5665 view->sizing_mode == EV_SIZING_BEST_FIT);
5666 g_return_if_fail (width >= 0);
5667 g_return_if_fail (height >= 0);
5669 if (view->document == NULL)
5672 if (view->presentation)
5673 ev_view_zoom_for_size_presentation (view, width, height);
5674 else if (view->continuous && view->dual_page)
5675 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height);
5676 else if (view->continuous)
5677 ev_view_zoom_for_size_continuous (view, width, height);
5678 else if (view->dual_page)
5679 ev_view_zoom_for_size_dual_page (view, width, height);
5681 ev_view_zoom_for_size_single_page (view, width, height);
5686 ev_view_find_get_n_results (EvView *view, gint page)
5688 return view->find_pages ? g_list_length (view->find_pages[page]) : 0;
5691 static EvRectangle *
5692 ev_view_find_get_result (EvView *view, gint page, gint result)
5694 return view->find_pages ? (EvRectangle *) g_list_nth_data (view->find_pages[page], result) : NULL;
5698 jump_to_find_result (EvView *view)
5701 gint page = view->current_page;
5703 n_results = ev_view_find_get_n_results (view, page);
5705 if (n_results > 0 && view->find_result < n_results) {
5707 GdkRectangle view_rect;
5709 rect = ev_view_find_get_result (view, page, view->find_result);
5710 doc_rect_to_view_rect (view, page, rect, &view_rect);
5711 ensure_rectangle_is_visible (view, &view_rect);
5712 view->jump_to_find_result = FALSE;
5718 * @view: #EvView instance
5719 * @direction: Direction to look
5720 * @shift: Shift from current page
5722 * Jumps to the first page that has occurences of searched word.
5723 * Uses a direction where to look and a shift from current page.
5727 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
5731 n_pages = ev_document_get_n_pages (view->document);
5733 for (i = 0; i < n_pages; i++) {
5736 if (direction == EV_VIEW_FIND_NEXT)
5737 page = view->current_page + i;
5739 page = view->current_page - i;
5742 if (page >= n_pages) {
5743 page = page - n_pages;
5744 } else if (page < 0)
5745 page = page + n_pages;
5747 if (ev_view_find_get_n_results (view, page) > 0) {
5748 ev_document_model_set_page (view->model, page);
5755 ev_view_find_changed (EvView *view, GList **results, gint page)
5757 view->find_pages = results;
5759 if (view->jump_to_find_result == TRUE) {
5760 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
5761 jump_to_find_result (view);
5764 if (view->current_page == page)
5765 gtk_widget_queue_draw (GTK_WIDGET (view));
5769 ev_view_find_next (EvView *view)
5773 n_results = ev_view_find_get_n_results (view, view->current_page);
5774 view->find_result++;
5776 if (view->find_result >= n_results) {
5777 view->find_result = 0;
5778 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
5779 jump_to_find_result (view);
5781 jump_to_find_result (view);
5782 gtk_widget_queue_draw (GTK_WIDGET (view));
5787 ev_view_find_previous (EvView *view)
5789 view->find_result--;
5791 if (view->find_result < 0) {
5792 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
5793 view->find_result = MAX (0, ev_view_find_get_n_results (view, view->current_page) - 1);
5794 jump_to_find_result (view);
5796 jump_to_find_result (view);
5797 gtk_widget_queue_draw (GTK_WIDGET (view));
5802 ev_view_find_search_changed (EvView *view)
5804 /* search string has changed, focus on new search result */
5805 view->jump_to_find_result = TRUE;
5806 view->find_pages = NULL;
5810 ev_view_find_set_highlight_search (EvView *view, gboolean value)
5812 view->highlight_find_results = value;
5813 gtk_widget_queue_draw (GTK_WIDGET (view));
5817 ev_view_find_cancel (EvView *view)
5819 view->find_pages = NULL;
5822 /*** Selections ***/
5824 /* compute_new_selection_rect/text calculates the area currently selected by
5825 * view_rect. each handles a different mode;
5828 compute_new_selection_rect (EvView *view,
5832 GdkRectangle view_rect;
5836 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
5838 view_rect.x = MIN (start->x, stop->x);
5839 view_rect.y = MIN (start->y, stop->y);
5840 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
5841 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
5843 n_pages = ev_document_get_n_pages (view->document);
5845 for (i = 0; i < n_pages; i++) {
5846 GdkRectangle page_area;
5849 if (get_page_extents (view, i, &page_area, &border)) {
5850 GdkRectangle overlap;
5852 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
5853 EvViewSelection *selection;
5855 selection = g_new0 (EvViewSelection, 1);
5856 selection->page = i;
5857 view_rect_to_doc_rect (view, &overlap, &page_area,
5858 &(selection->rect));
5860 list = g_list_append (list, selection);
5869 gdk_rectangle_point_in (GdkRectangle *rectangle,
5872 return rectangle->x <= point->x &&
5873 rectangle->y <= point->y &&
5874 point->x < rectangle->x + rectangle->width &&
5875 point->y < rectangle->y + rectangle->height;
5879 compute_new_selection_text (EvView *view,
5880 EvSelectionStyle style,
5884 int n_pages, i, first, last;
5886 EvViewSelection *selection;
5887 gdouble width, height;
5888 int start_page, end_page;
5890 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
5892 n_pages = ev_document_get_n_pages (view->document);
5894 /* First figure out the range of pages the selection
5898 if (view->continuous) {
5901 } else if (view->dual_page) {
5902 start_page = view->start_page;
5903 end_page = view->end_page + 1;
5905 start_page = view->current_page;
5906 end_page = view->current_page + 1;
5909 for (i = start_page; i < end_page; i++) {
5910 GdkRectangle page_area;
5913 get_page_extents (view, i, &page_area, &border);
5914 if (gdk_rectangle_point_in (&page_area, start) ||
5915 gdk_rectangle_point_in (&page_area, stop)) {
5916 if (first == n_pages)
5923 /* Now create a list of EvViewSelection's for the affected
5924 * pages. This could be an empty list, a list of just one
5925 * page or a number of pages.*/
5926 for (i = first; i < last + 1; i++) {
5927 GdkRectangle page_area;
5931 get_doc_page_size (view, i, &width, &height);
5933 selection = g_new0 (EvViewSelection, 1);
5934 selection->page = i;
5935 selection->style = style;
5936 selection->rect.x1 = selection->rect.y1 = 0;
5937 selection->rect.x2 = width;
5938 selection->rect.y2 = height;
5940 get_page_extents (view, i, &page_area, &border);
5942 if (gdk_rectangle_point_in (&page_area, start))
5948 view_point_to_doc_point (view, point, &page_area,
5949 &selection->rect.x1,
5950 &selection->rect.y1);
5952 /* If the selection is contained within just one page,
5953 * make sure we don't write 'start' into both points
5954 * in selection->rect. */
5959 view_point_to_doc_point (view, point, &page_area,
5960 &selection->rect.x2,
5961 &selection->rect.y2);
5963 list = g_list_append (list, selection);
5969 /* This function takes the newly calculated list, and figures out which regions
5970 * have changed. It then queues a redraw approporiately.
5973 merge_selection_region (EvView *view,
5977 GList *new_list_ptr, *old_list_ptr;
5979 /* Update the selection */
5980 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
5981 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5982 g_list_free (view->selection_info.selections);
5983 view->selection_info.selections = new_list;
5984 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
5985 g_object_notify (G_OBJECT (view), "has-selection");
5987 new_list_ptr = new_list;
5988 old_list_ptr = old_list;
5990 while (new_list_ptr || old_list_ptr) {
5991 EvViewSelection *old_sel, *new_sel;
5993 GdkRegion *region = NULL;
5995 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
5996 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
5998 /* Assume that the lists are in order, and we run through them
5999 * comparing them, one page at a time. We come out with the
6000 * first page we see. */
6001 if (new_sel && old_sel) {
6002 if (new_sel->page < old_sel->page) {
6003 new_list_ptr = new_list_ptr->next;
6005 } else if (new_sel->page > old_sel->page) {
6006 old_list_ptr = old_list_ptr->next;
6009 new_list_ptr = new_list_ptr->next;
6010 old_list_ptr = old_list_ptr->next;
6012 } else if (new_sel) {
6013 new_list_ptr = new_list_ptr->next;
6014 } else if (old_sel) {
6015 old_list_ptr = old_list_ptr->next;
6018 g_assert (new_sel || old_sel);
6020 /* is the page we're looking at on the screen?*/
6021 cur_page = new_sel ? new_sel->page : old_sel->page;
6022 if (cur_page < view->start_page || cur_page > view->end_page)
6025 /* seed the cache with a new page. We are going to need the new
6028 GdkRegion *tmp_region = NULL;
6030 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
6036 new_sel->covered_region = gdk_region_copy (tmp_region);
6040 /* Now we figure out what needs redrawing */
6041 if (old_sel && new_sel) {
6042 if (old_sel->covered_region && new_sel->covered_region) {
6043 /* We only want to redraw the areas that have
6044 * changed, so we xor the old and new regions
6045 * and redraw if it's different */
6046 region = gdk_region_copy (old_sel->covered_region);
6047 gdk_region_xor (region, new_sel->covered_region);
6048 if (gdk_region_empty (region)) {
6049 gdk_region_destroy (region);
6052 } else if (old_sel->covered_region) {
6053 region = gdk_region_copy (old_sel->covered_region);
6054 } else if (new_sel->covered_region) {
6055 region = gdk_region_copy (new_sel->covered_region);
6057 } else if (old_sel && !new_sel) {
6058 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
6059 region = gdk_region_copy (old_sel->covered_region);
6061 } else if (!old_sel && new_sel) {
6062 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
6063 region = gdk_region_copy (new_sel->covered_region);
6066 g_assert_not_reached ();
6069 /* Redraw the damaged region! */
6071 GdkRectangle page_area;
6074 /* I don't know why but the region is smaller
6075 * than expected. This hack fixes it, I guess
6076 * 10 pixels more won't hurt
6078 gdk_region_shrink (region, -5, -5);
6080 get_page_extents (view, cur_page, &page_area, &border);
6081 gdk_region_offset (region,
6082 page_area.x + border.left - view->scroll_x,
6083 page_area.y + border.top - view->scroll_y);
6084 gdk_window_invalidate_region (view->layout.bin_window, region, TRUE);
6085 gdk_region_destroy (region);
6089 /* Free the old list, now that we're done with it. */
6090 g_list_foreach (old_list, (GFunc) selection_free, NULL);
6091 g_list_free (old_list);
6095 compute_selections (EvView *view,
6096 EvSelectionStyle style,
6102 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
6103 list = compute_new_selection_rect (view, start, stop);
6105 list = compute_new_selection_text (view, style, start, stop);
6106 merge_selection_region (view, list);
6109 /* Free's the selection. It's up to the caller to queue redraws if needed.
6112 selection_free (EvViewSelection *selection)
6114 if (selection->covered_region)
6115 gdk_region_destroy (selection->covered_region);
6120 clear_selection (EvView *view)
6122 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
6123 g_list_free (view->selection_info.selections);
6124 view->selection_info.selections = NULL;
6125 view->selection_info.in_selection = FALSE;
6126 if (view->pixbuf_cache)
6127 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
6128 g_object_notify (G_OBJECT (view), "has-selection");
6132 ev_view_select_all (EvView *view)
6134 GList *selections = NULL;
6137 /* Disable selection on rotated pages for the 0.4.0 series */
6138 if (view->rotation != 0)
6141 clear_selection (view);
6143 n_pages = ev_document_get_n_pages (view->document);
6144 for (i = 0; i < n_pages; i++) {
6145 gdouble width, height;
6146 EvViewSelection *selection;
6148 get_doc_page_size (view, i, &width, &height);
6150 selection = g_new0 (EvViewSelection, 1);
6151 selection->page = i;
6152 selection->style = EV_SELECTION_STYLE_GLYPH;
6153 selection->rect.x1 = selection->rect.y1 = 0;
6154 selection->rect.x2 = width;
6155 selection->rect.y2 = height;
6157 selections = g_list_append (selections, selection);
6160 merge_selection_region (view, selections);
6161 gtk_widget_queue_draw (GTK_WIDGET (view));
6165 ev_view_get_has_selection (EvView *view)
6167 return view->selection_info.selections != NULL;
6171 get_selected_text (EvView *view)
6175 gchar *normalized_text;
6176 EvRenderContext *rc;
6178 text = g_string_new (NULL);
6179 rc = ev_render_context_new (NULL, view->rotation, view->scale);
6181 ev_document_doc_mutex_lock ();
6183 for (l = view->selection_info.selections; l != NULL; l = l->next) {
6184 EvViewSelection *selection = (EvViewSelection *)l->data;
6188 page = ev_document_get_page (view->document, selection->page);
6189 ev_render_context_set_page (rc, page);
6190 g_object_unref (page);
6192 tmp = ev_selection_get_selected_text (EV_SELECTION (view->document),
6193 rc, selection->style,
6194 &(selection->rect));
6196 g_string_append (text, tmp);
6200 g_object_unref (rc);
6202 ev_document_doc_mutex_unlock ();
6204 normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC);
6205 g_string_free (text, TRUE);
6206 return normalized_text;
6210 ev_view_clipboard_copy (EvView *view,
6213 GtkClipboard *clipboard;
6215 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
6216 GDK_SELECTION_CLIPBOARD);
6217 gtk_clipboard_set_text (clipboard, text, -1);
6221 ev_view_copy (EvView *ev_view)
6225 if (!EV_IS_SELECTION (ev_view->document))
6228 text = get_selected_text (ev_view);
6229 ev_view_clipboard_copy (ev_view, text);
6234 ev_view_primary_get_cb (GtkClipboard *clipboard,
6235 GtkSelectionData *selection_data,
6239 EvView *ev_view = EV_VIEW (data);
6241 if (ev_view->link_selected) {
6242 gtk_selection_data_set_text (selection_data,
6243 ev_link_action_get_uri (ev_view->link_selected),
6245 } else if (EV_IS_SELECTION (ev_view->document) &&
6246 ev_view->selection_info.selections) {
6249 text = get_selected_text (ev_view);
6251 gtk_selection_data_set_text (selection_data, text, -1);
6258 ev_view_primary_clear_cb (GtkClipboard *clipboard,
6261 EvView *view = EV_VIEW (data);
6263 clear_selection (view);
6264 clear_link_selected (view);
6268 ev_view_update_primary_selection (EvView *ev_view)
6270 GtkClipboard *clipboard;
6272 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
6273 GDK_SELECTION_PRIMARY);
6275 if (ev_view->selection_info.selections || ev_view->link_selected) {
6276 GtkTargetList *target_list;
6277 GtkTargetEntry *targets;
6280 target_list = gtk_target_list_new (NULL, 0);
6281 gtk_target_list_add_text_targets (target_list, 0);
6282 targets = gtk_target_table_new_from_list (target_list, &n_targets);
6283 gtk_target_list_unref (target_list);
6285 if (!gtk_clipboard_set_with_owner (clipboard,
6287 ev_view_primary_get_cb,
6288 ev_view_primary_clear_cb,
6289 G_OBJECT (ev_view)))
6290 ev_view_primary_clear_cb (clipboard, ev_view);
6292 gtk_target_table_free (targets, n_targets);
6294 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
6295 gtk_clipboard_clear (clipboard);
6300 clear_link_selected (EvView *view)
6302 if (view->link_selected) {
6303 g_object_unref (view->link_selected);
6304 view->link_selected = NULL;
6309 ev_view_copy_link_address (EvView *view,
6310 EvLinkAction *action)
6312 clear_link_selected (view);
6314 ev_view_clipboard_copy (view, ev_link_action_get_uri (action));
6316 view->link_selected = g_object_ref (action);
6317 ev_view_update_primary_selection (view);
6320 /*** Cursor operations ***/
6323 ev_view_create_invisible_cursor(void)
6326 GdkColor black = { 0, 0, 0, 0 };
6327 static char bits[] = { 0x00 };
6329 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
6331 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
6335 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
6337 GdkCursor *cursor = NULL;
6338 GdkDisplay *display;
6341 if (view->cursor == new_cursor) {
6345 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
6346 display = gtk_widget_get_display (widget);
6347 view->cursor = new_cursor;
6349 switch (new_cursor) {
6350 case EV_VIEW_CURSOR_NORMAL:
6351 gdk_window_set_cursor (view->layout.bin_window, NULL);
6353 case EV_VIEW_CURSOR_IBEAM:
6354 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
6356 case EV_VIEW_CURSOR_LINK:
6357 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
6359 case EV_VIEW_CURSOR_WAIT:
6360 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
6362 case EV_VIEW_CURSOR_HIDDEN:
6363 cursor = ev_view_create_invisible_cursor ();
6365 case EV_VIEW_CURSOR_DRAG:
6366 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
6368 case EV_VIEW_CURSOR_AUTOSCROLL:
6369 cursor = gdk_cursor_new_for_display (display, GDK_DOUBLE_ARROW);
6374 gdk_window_set_cursor (view->layout.bin_window, cursor);
6375 gdk_cursor_unref (cursor);
6381 ev_view_hide_cursor (EvView *view)
6383 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
6387 ev_view_show_cursor (EvView *view)
6389 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
6393 ev_view_reset_presentation_state (EvView *view)
6395 if (!view->presentation ||
6396 view->presentation_state == EV_PRESENTATION_NORMAL)
6399 view->presentation_state = EV_PRESENTATION_NORMAL;
6400 gdk_window_set_background (view->layout.bin_window,
6401 >K_WIDGET (view)->style->black);
6402 gtk_widget_queue_draw (GTK_WIDGET (view));
6406 ev_view_next_page (EvView *view)
6410 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
6412 if (!view->document)
6415 if (view->presentation &&
6416 (view->presentation_state == EV_PRESENTATION_BLACK ||
6417 view->presentation_state == EV_PRESENTATION_WHITE)) {
6418 ev_view_reset_presentation_state (view);
6422 if (view->animation) {
6423 ev_view_transition_animation_cancel (view->animation, view);
6426 ev_view_presentation_transition_stop (view);
6427 ev_view_reset_presentation_state (view);
6429 page = ev_document_model_get_page (view->model);
6430 n_pages = ev_document_get_n_pages (view->document);
6432 if (view->dual_page && !view->presentation)
6437 if (page < n_pages) {
6438 ev_document_model_set_page (view->model, page);
6440 } else if (view->presentation && page == n_pages) {
6441 view->presentation_state = EV_PRESENTATION_END;
6442 gtk_widget_queue_draw (GTK_WIDGET (view));
6444 } else if (view->dual_page && page == n_pages) {
6445 ev_document_model_set_page (view->model, page - 1);
6453 ev_view_previous_page (EvView *view)
6457 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
6459 if (!view->document)
6462 if (view->presentation &&
6463 view->presentation_state == EV_PRESENTATION_END) {
6464 ev_view_reset_presentation_state (view);
6468 if (view->presentation &&
6469 (view->presentation_state == EV_PRESENTATION_BLACK ||
6470 view->presentation_state == EV_PRESENTATION_WHITE)) {
6471 ev_view_reset_presentation_state (view);
6475 if (view->animation) {
6476 ev_view_transition_animation_cancel (view->animation, view);
6479 ev_view_reset_presentation_state (view);
6481 page = ev_document_model_get_page (view->model);
6483 if (view->dual_page && !view->presentation)
6489 ev_document_model_set_page (view->model, page);
6491 } else if (ev_view_get_dual_page (view) && page == -1) {
6492 ev_document_model_set_page (view->model, 0);