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-page-cache.h"
38 #include "ev-pixbuf-cache.h"
39 #include "ev-transition-animation.h"
40 #include "ev-view-marshal.h"
41 #include "ev-document-annotations.h"
42 #include "ev-annotation-window.h"
44 #include "ev-view-accessible.h"
45 #include "ev-view-private.h"
46 #include "ev-view-type-builtins.h"
48 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
49 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
50 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
65 SIGNAL_BINDING_ACTIVATED,
78 static guint signals[N_SIGNALS];
83 } EvViewFindDirection;
85 #define ZOOM_IN_FACTOR 1.2
86 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
88 #define MIN_SCALE 0.05409
91 #define SCROLL_TIME 150
94 static void scroll_to_current_page (EvView *view,
95 GtkOrientation orientation);
96 static void ev_view_set_scroll_adjustments (GtkLayout *layout,
97 GtkAdjustment *hadjustment,
98 GtkAdjustment *vadjustment);
99 static void view_update_range_and_current_page (EvView *view);
100 static void set_scroll_adjustment (EvView *view,
101 GtkOrientation orientation,
102 GtkAdjustment *adjustment);
103 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
105 GdkModifierType modifiers,
106 GtkScrollType scroll,
107 gboolean horizontal);
108 static void ensure_rectangle_is_visible (EvView *view,
111 /*** Geometry computations ***/
112 static void compute_border (EvView *view,
116 static void get_page_y_offset (EvView *view,
119 static gboolean get_page_extents (EvView *view,
121 GdkRectangle *page_area,
123 static void view_rect_to_doc_rect (EvView *view,
124 GdkRectangle *view_rect,
125 GdkRectangle *page_area,
126 EvRectangle *doc_rect);
127 static void doc_rect_to_view_rect (EvView *view,
129 EvRectangle *doc_rect,
130 GdkRectangle *view_rect);
131 static gboolean get_dual_even_left (EvView *view);
132 static void find_page_at_location (EvView *view,
138 static gboolean doc_point_to_view_point (EvView *view,
141 GdkPoint *view_point);
143 static EvLink * ev_view_get_link_at_location (EvView *view,
146 static char* tip_from_link (EvView *view,
149 static EvFormField *ev_view_get_form_field_at_location (EvView *view,
153 /*** Annotations ***/
154 static EvAnnotation *ev_view_get_annotation_at_location (EvView *view,
157 static void show_annotation_windows (EvView *view,
159 static void hide_annotation_windows (EvView *view,
161 /*** GtkWidget implementation ***/
162 static void ev_view_size_request_continuous_dual_page (EvView *view,
163 GtkRequisition *requisition);
164 static void ev_view_size_request_continuous (EvView *view,
165 GtkRequisition *requisition);
166 static void ev_view_size_request_dual_page (EvView *view,
167 GtkRequisition *requisition);
168 static void ev_view_size_request_single_page (EvView *view,
169 GtkRequisition *requisition);
170 static void ev_view_size_request (GtkWidget *widget,
171 GtkRequisition *requisition);
172 static void ev_view_size_allocate (GtkWidget *widget,
173 GtkAllocation *allocation);
174 static void ev_view_realize (GtkWidget *widget);
175 static gboolean ev_view_scroll_event (GtkWidget *widget,
176 GdkEventScroll *event);
177 static gboolean ev_view_expose_event (GtkWidget *widget,
178 GdkEventExpose *event);
179 static gboolean ev_view_popup_menu (GtkWidget *widget);
180 static gboolean ev_view_button_press_event (GtkWidget *widget,
181 GdkEventButton *event);
182 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
183 GdkEventMotion *event);
184 static gboolean ev_view_button_release_event (GtkWidget *widget,
185 GdkEventButton *event);
186 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
187 GdkEventCrossing *event);
188 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
189 GdkEventCrossing *event);
190 static void ev_view_style_set (GtkWidget *widget,
191 GtkStyle *old_style);
192 static void ev_view_remove_all (EvView *view);
194 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
197 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
198 static void draw_rubberband (GtkWidget *widget,
200 const GdkRectangle *rect,
202 static void highlight_find_results (EvView *view,
204 static void draw_one_page (EvView *view,
207 GdkRectangle *page_area,
209 GdkRectangle *expose_area,
210 gboolean *page_ready);
211 static void draw_loading_text (EvView *view,
212 GdkRectangle *page_area,
213 GdkRectangle *expose_area);
214 static void ev_view_reload_page (EvView *view,
219 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
222 static void page_changed_cb (EvPageCache *page_cache,
225 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
229 static void ev_view_finalize (GObject *object);
230 static void ev_view_destroy (GtkObject *object);
231 static void ev_view_set_property (GObject *object,
235 static void ev_view_get_property (GObject *object,
239 static void ev_view_class_init (EvViewClass *class);
240 static void ev_view_init (EvView *view);
242 /*** Zoom and sizing ***/
243 static double zoom_for_size_fit_width (gdouble doc_width,
247 static double zoom_for_size_fit_height (gdouble doc_width,
251 static double zoom_for_size_best_fit (gdouble doc_width,
255 static void ev_view_zoom_for_size (EvView *view,
258 static void ev_view_zoom_for_size_presentation (EvView *view,
261 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
264 static void ev_view_zoom_for_size_continuous (EvView *view,
267 static void ev_view_zoom_for_size_dual_page (EvView *view,
270 static void ev_view_zoom_for_size_single_page (EvView *view,
274 static GdkCursor* ev_view_create_invisible_cursor (void);
275 static void ev_view_set_cursor (EvView *view,
276 EvViewCursor new_cursor);
277 static void ev_view_handle_cursor_over_xy (EvView *view,
282 static gint ev_view_find_get_n_results (EvView *view,
284 static EvRectangle *ev_view_find_get_result (EvView *view,
287 static void jump_to_find_result (EvView *view);
288 static void jump_to_find_page (EvView *view,
289 EvViewFindDirection direction,
293 static void compute_selections (EvView *view,
294 EvSelectionStyle style,
297 static void clear_selection (EvView *view);
298 static void clear_link_selected (EvView *view);
299 static void selection_free (EvViewSelection *selection);
300 static char* get_selected_text (EvView *ev_view);
301 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
302 GtkSelectionData *selection_data,
305 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
307 static void ev_view_update_primary_selection (EvView *ev_view);
309 /*** Presentation ***/
310 static void ev_view_presentation_transition_start (EvView *ev_view);
311 static void ev_view_presentation_transition_stop (EvView *ev_view);
314 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_LAYOUT)
316 /* HeightToPage cache */
317 #define EV_HEIGHT_TO_PAGE_CACHE_KEY "ev-height-to-page-cache"
320 build_height_to_page (EvHeightToPageCache *cache,
321 EvDocument *document,
324 gboolean swap, uniform, dual_even_left;
326 double uniform_height, page_height, next_page_height;
328 gdouble u_width, u_height;
331 swap = (rotation == 90 || rotation == 270);
333 uniform = ev_document_is_page_size_uniform (document);
334 n_pages = ev_document_get_n_pages (document);
335 dual_even_left = (n_pages > 2);
337 g_free (cache->height_to_page);
338 g_free (cache->dual_height_to_page);
340 cache->rotation = rotation;
341 cache->height_to_page = g_new0 (gdouble, n_pages + 1);
342 cache->dual_height_to_page = g_new0 (gdouble, n_pages + 2);
345 ev_document_get_page_size (document, 0, &u_width, &u_height);
348 for (i = 0; i <= n_pages; i++) {
350 uniform_height = swap ? u_width : u_height;
351 cache->height_to_page[i] = i * uniform_height;
356 ev_document_get_page_size (document, i, &w, &h);
357 page_height = swap ? w : h;
361 cache->height_to_page[i] = saved_height;
362 saved_height += page_height;
366 if (dual_even_left && !uniform) {
369 ev_document_get_page_size (document, 0, &w, &h);
370 saved_height = swap ? w : h;
375 for (i = dual_even_left; i < n_pages + 2; i += 2) {
377 uniform_height = swap ? u_width : u_height;
378 cache->dual_height_to_page[i] = ((i + dual_even_left) / 2) * uniform_height;
379 if (i + 1 < n_pages + 2)
380 cache->dual_height_to_page[i + 1] = ((i + dual_even_left) / 2) * uniform_height;
382 if (i + 1 < n_pages) {
385 ev_document_get_page_size (document, i + 1, &w, &h);
386 next_page_height = swap ? w : h;
388 next_page_height = 0;
394 ev_document_get_page_size (document, i, &w, &h);
395 page_height = swap ? w : h;
400 if (i + 1 < n_pages + 2) {
401 cache->dual_height_to_page[i] = saved_height;
402 cache->dual_height_to_page[i + 1] = saved_height;
403 saved_height += MAX(page_height, next_page_height);
405 cache->dual_height_to_page[i] = saved_height;
412 ev_height_to_page_cache_get_height (EvHeightToPageCache *cache,
413 EvDocument *document,
417 gdouble *dual_height)
419 if (cache->rotation != rotation)
420 build_height_to_page (cache, document, rotation);
422 *height = cache->height_to_page[page];
423 *dual_height = cache->dual_height_to_page[page];
427 ev_height_to_page_cache_free (EvHeightToPageCache *cache)
429 if (cache->height_to_page) {
430 g_free (cache->height_to_page);
431 cache->height_to_page = NULL;
434 if (cache->dual_height_to_page) {
435 g_free (cache->dual_height_to_page);
436 cache->dual_height_to_page = NULL;
441 static EvHeightToPageCache *
442 ev_view_get_height_to_page_cache (EvView *view)
444 EvHeightToPageCache *cache;
449 cache = g_object_get_data (G_OBJECT (view->document), EV_HEIGHT_TO_PAGE_CACHE_KEY);
451 cache = g_new0 (EvHeightToPageCache, 1);
452 build_height_to_page (cache, view->document, view->rotation);
453 g_object_set_data_full (G_OBJECT (view->document),
454 EV_HEIGHT_TO_PAGE_CACHE_KEY,
456 (GDestroyNotify)ev_height_to_page_cache_free);
463 ev_view_get_height_to_page (EvView *view,
470 if (!view->height_to_page_cache)
473 ev_height_to_page_cache_get_height (view->height_to_page_cache,
479 *height = (gint)(h * view->scale + 0.5);
482 *dual_height = (gint)(dh * view->scale + 0.5);
486 scroll_to_current_page (EvView *view, GtkOrientation orientation)
490 if (view->document == NULL) {
494 doc_point_to_view_point (view, view->current_page, &view->pending_point, &view_point);
496 if (orientation == GTK_ORIENTATION_VERTICAL) {
497 view->pending_point.y = 0;
499 view->pending_point.x = 0;
502 if (orientation == GTK_ORIENTATION_VERTICAL) {
503 if (view->continuous) {
504 gtk_adjustment_clamp_page (view->vadjustment,
505 view_point.y - view->spacing / 2,
506 view_point.y + view->vadjustment->page_size);
508 gtk_adjustment_set_value (view->vadjustment,
510 view->vadjustment->lower,
511 view->vadjustment->upper -
512 view->vadjustment->page_size));
515 if (view->dual_page) {
516 gtk_adjustment_clamp_page (view->hadjustment,
518 view_point.x + view->hadjustment->page_size);
520 gtk_adjustment_set_value (view->hadjustment,
522 view->hadjustment->lower,
523 view->hadjustment->upper -
524 view->hadjustment->page_size));
530 view_set_adjustment_values (EvView *view,
531 GtkOrientation orientation)
533 GtkWidget *widget = GTK_WIDGET (view);
534 GtkAdjustment *adjustment;
541 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
542 requisition = widget->requisition.width;
543 allocation = widget->allocation.width;
544 adjustment = view->hadjustment;
546 requisition = widget->requisition.height;
547 allocation = widget->allocation.height;
548 adjustment = view->vadjustment;
555 switch (view->pending_scroll) {
556 case SCROLL_TO_KEEP_POSITION:
557 case SCROLL_TO_FIND_LOCATION:
558 factor = (adjustment->value) / adjustment->upper;
560 case SCROLL_TO_PAGE_POSITION:
562 case SCROLL_TO_CENTER:
563 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
567 adjustment->page_size = allocation;
568 adjustment->step_increment = allocation * 0.1;
569 adjustment->page_increment = allocation * 0.9;
570 adjustment->lower = 0;
571 adjustment->upper = MAX (allocation, requisition);
574 * We add 0.5 to the values before to average out our rounding errors.
576 switch (view->pending_scroll) {
577 case SCROLL_TO_KEEP_POSITION:
578 case SCROLL_TO_FIND_LOCATION:
579 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
580 gtk_adjustment_set_value (adjustment, (int)new_value);
582 case SCROLL_TO_PAGE_POSITION:
583 scroll_to_current_page (view, orientation);
585 case SCROLL_TO_CENTER:
586 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
587 0, adjustment->upper - adjustment->page_size);
588 gtk_adjustment_set_value (adjustment, (int)new_value);
592 gtk_adjustment_changed (adjustment);
596 view_update_range_and_current_page (EvView *view)
599 gint best_current_page = -1;
600 gint start = view->start_page;
601 gint end = view->end_page;
603 /* Presentation trumps all other modes */
604 if (view->presentation) {
605 view->start_page = view->current_page;
606 view->end_page = view->current_page;
607 } else if (view->continuous) {
608 GdkRectangle current_area, unused, page_area;
610 gboolean found = FALSE;
611 gint area_max = -1, area;
614 if (!(view->vadjustment && view->hadjustment))
617 current_area.x = view->hadjustment->value;
618 current_area.width = view->hadjustment->upper;
619 current_area.y = view->vadjustment->value;
620 current_area.height = view->vadjustment->page_size;
622 for (i = 0; i < ev_document_get_n_pages (view->document); i++) {
624 get_page_extents (view, i, &page_area, &border);
626 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
627 area = unused.width * unused.height;
631 view->start_page = i;
633 best_current_page = i;
635 if (area > area_max) {
636 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
641 } else if (found && view->current_page <= view->end_page) {
646 } else if (view->dual_page) {
647 if (view->current_page % 2 == get_dual_even_left (view)) {
648 view->start_page = view->current_page;
649 if (view->current_page + 1 < ev_document_get_n_pages (view->document))
650 view->end_page = view->start_page + 1;
652 view->end_page = view->start_page;
654 if (view->current_page < 1)
655 view->start_page = view->current_page;
657 view->start_page = view->current_page - 1;
658 view->end_page = view->current_page;
661 view->start_page = view->current_page;
662 view->end_page = view->current_page;
665 best_current_page = MAX (best_current_page, view->start_page);
666 current_page = ev_page_cache_get_current_page (view->page_cache);
668 if ((current_page != best_current_page) && (view->pending_scroll == SCROLL_TO_KEEP_POSITION)) {
669 view->current_page = best_current_page;
670 ev_page_cache_set_current_page (view->page_cache, best_current_page);
673 if (start != view->start_page || end != view->end_page) {
676 for (i = start; i < view->start_page; i++) {
677 hide_annotation_windows (view, i);
680 for (i = end; i > view->end_page; i--) {
681 hide_annotation_windows (view, i);
685 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
690 view->selection_info.selections);
694 set_scroll_adjustment (EvView *view,
695 GtkOrientation orientation,
696 GtkAdjustment *adjustment)
698 GtkAdjustment **to_set;
700 if (orientation == GTK_ORIENTATION_HORIZONTAL)
701 to_set = &view->hadjustment;
703 to_set = &view->vadjustment;
705 if (*to_set != adjustment) {
707 g_signal_handlers_disconnect_by_func (*to_set,
708 (gpointer) on_adjustment_value_changed,
710 g_object_unref (*to_set);
713 *to_set = adjustment;
714 view_set_adjustment_values (view, orientation);
717 g_object_ref (*to_set);
718 g_signal_connect (*to_set, "value_changed",
719 G_CALLBACK (on_adjustment_value_changed), view);
725 ev_view_set_scroll_adjustments (GtkLayout *layout,
726 GtkAdjustment *hadjustment,
727 GtkAdjustment *vadjustment)
729 EvView *view = EV_VIEW (layout);
731 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
732 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
734 on_adjustment_value_changed (NULL, view);
738 add_scroll_binding_keypad (GtkBindingSet *binding_set,
740 GdkModifierType modifiers,
741 GtkScrollType scroll,
744 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
746 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
747 "binding_activated", 2,
748 GTK_TYPE_SCROLL_TYPE, scroll,
749 G_TYPE_BOOLEAN, horizontal);
750 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
751 "binding_activated", 2,
752 GTK_TYPE_SCROLL_TYPE, scroll,
753 G_TYPE_BOOLEAN, horizontal);
757 ev_view_scroll (EvView *view,
758 GtkScrollType scroll,
761 GtkAdjustment *adjustment;
762 double value, increment;
763 gboolean first_page = FALSE;
764 gboolean last_page = FALSE;
766 view->jump_to_find_result = FALSE;
768 if (view->presentation || view->sizing_mode == EV_SIZING_BEST_FIT) {
770 case GTK_SCROLL_PAGE_BACKWARD:
771 case GTK_SCROLL_STEP_BACKWARD:
772 ev_view_previous_page (view);
774 case GTK_SCROLL_PAGE_FORWARD:
775 case GTK_SCROLL_STEP_FORWARD:
776 ev_view_next_page (view);
784 /* Assign values for increment and vertical adjustment */
785 adjustment = horizontal ? view->hadjustment : view->vadjustment;
786 increment = adjustment->page_size * 0.75;
787 value = adjustment->value;
789 /* Assign boolean for first and last page */
790 if (view->current_page == 0)
792 if (view->current_page == ev_document_get_n_pages (view->document) - 1)
796 case GTK_SCROLL_PAGE_BACKWARD:
797 /* Do not jump backwards if at the first page */
798 if (value == (adjustment->lower) && first_page) {
800 /* At the top of a page, assign the upper bound limit of previous page */
801 } else if (value == (adjustment->lower)) {
802 value = adjustment->upper - adjustment->page_size;
803 ev_view_previous_page (view);
804 /* Jump to the top */
806 value = MAX (value - increment, adjustment->lower);
809 case GTK_SCROLL_PAGE_FORWARD:
810 /* Do not jump forward if at the last page */
811 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
813 /* At the bottom of a page, assign the lower bound limit of next page */
814 } else if (value == (adjustment->upper - adjustment->page_size)) {
816 ev_view_next_page (view);
817 /* Jump to the bottom */
819 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
822 case GTK_SCROLL_STEP_BACKWARD:
823 value -= adjustment->step_increment;
825 case GTK_SCROLL_STEP_FORWARD:
826 value += adjustment->step_increment;
828 case GTK_SCROLL_STEP_DOWN:
829 value -= adjustment->step_increment / 10;
831 case GTK_SCROLL_STEP_UP:
832 value += adjustment->step_increment / 10;
838 value = CLAMP (value, adjustment->lower,
839 adjustment->upper - adjustment->page_size);
841 gtk_adjustment_set_value (adjustment, value);
847 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
849 GtkWidget *widget = GTK_WIDGET (view);
850 GtkAdjustment *adjustment;
853 view->pending_scroll = SCROLL_TO_FIND_LOCATION;
855 adjustment = view->vadjustment;
857 if (rect->y < adjustment->value) {
858 value = MAX (adjustment->lower, rect->y - MARGIN);
859 gtk_adjustment_set_value (view->vadjustment, value);
860 } else if (rect->y + rect->height >
861 adjustment->value + widget->allocation.height) {
862 value = MIN (adjustment->upper, rect->y + rect->height -
863 widget->allocation.height + MARGIN);
864 gtk_adjustment_set_value (view->vadjustment, value);
867 adjustment = view->hadjustment;
869 if (rect->x < adjustment->value) {
870 value = MAX (adjustment->lower, rect->x - MARGIN);
871 gtk_adjustment_set_value (view->hadjustment, value);
872 } else if (rect->x + rect->height >
873 adjustment->value + widget->allocation.width) {
874 value = MIN (adjustment->upper, rect->x + rect->width -
875 widget->allocation.width + MARGIN);
876 gtk_adjustment_set_value (view->hadjustment, value);
879 gtk_widget_queue_resize (GTK_WIDGET (view));
882 /*** Geometry computations ***/
885 compute_border (EvView *view, int width, int height, GtkBorder *border)
887 if (view->presentation) {
893 ev_document_misc_get_page_border_size (width, height, border);
898 _get_page_size_for_scale_and_rotation (EvDocument *document,
908 ev_document_get_page_size (document, page, &w, &h);
910 width = (gint)(w * scale + 0.5);
911 height = (gint)(h * scale + 0.5);
914 *page_width = (rotation == 0 || rotation == 180) ? width : height;
916 *page_height = (rotation == 0 || rotation == 180) ? height : width;
920 ev_view_get_page_size (EvView *view,
925 _get_page_size_for_scale_and_rotation (view->document,
934 ev_view_get_max_page_size (EvView *view,
941 ev_document_get_max_page_size (view->document, &w, &h);
943 width = (gint)(w * view->scale + 0.5);
944 height = (gint)(h * view->scale + 0.5);
947 *max_width = (view->rotation == 0 || view->rotation == 180) ? width : height;
949 *max_height = (view->rotation == 0 || view->rotation == 180) ? height : width;
953 get_page_y_offset (EvView *view, int page, int *y_offset)
955 int max_width, offset;
958 g_return_if_fail (y_offset != NULL);
960 ev_view_get_max_page_size (view, &max_width, NULL);
961 compute_border (view, max_width, max_width, &border);
963 if (view->dual_page) {
964 ev_view_get_height_to_page (view, page, NULL, &offset);
965 offset += ((page + get_dual_even_left (view)) / 2 + 1) * view->spacing +
966 ((page + get_dual_even_left (view)) / 2 ) * (border.top + border.bottom);
968 ev_view_get_height_to_page (view, page, &offset, NULL);
969 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
977 get_page_extents (EvView *view,
979 GdkRectangle *page_area,
985 widget = GTK_WIDGET (view);
987 /* Get the size of the page */
988 ev_view_get_page_size (view, page, &width, &height);
989 compute_border (view, width, height, border);
990 page_area->width = width + border->left + border->right;
991 page_area->height = height + border->top + border->bottom;
993 if (view->presentation) {
994 page_area->x = (MAX (0, widget->allocation.width - width))/2;
995 page_area->y = (MAX (0, widget->allocation.height - height))/2;
996 } else if (view->continuous) {
1000 ev_view_get_max_page_size (view, &max_width, NULL);
1001 max_width = max_width + border->left + border->right;
1002 /* Get the location of the bounding box */
1003 if (view->dual_page) {
1004 x = view->spacing + ((page % 2 == get_dual_even_left (view)) ? 0 : 1) * (max_width + view->spacing);
1005 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
1006 if (page % 2 == get_dual_even_left (view))
1007 x = x + (max_width - width - border->left - border->right);
1010 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
1013 get_page_y_offset (view, page, &y);
1019 if (view->dual_page) {
1020 gint width_2, height_2;
1021 gint max_width = width;
1022 gint max_height = height;
1023 GtkBorder overall_border;
1026 other_page = (page % 2 == get_dual_even_left (view)) ? page + 1: page - 1;
1028 /* First, we get the bounding box of the two pages */
1029 if (other_page < ev_document_get_n_pages (view->document)
1030 && (0 <= other_page)) {
1031 ev_view_get_page_size (view, other_page,
1032 &width_2, &height_2);
1033 if (width_2 > width)
1034 max_width = width_2;
1035 if (height_2 > height)
1036 max_height = height_2;
1038 compute_border (view, max_width, max_height, &overall_border);
1040 /* Find the offsets */
1044 /* Adjust for being the left or right page */
1045 if (page % 2 == get_dual_even_left (view))
1046 x = x + max_width - width;
1048 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
1050 y = y + (max_height - height)/2;
1052 /* Adjust for extra allocation */
1053 x = x + MAX (0, widget->allocation.width -
1054 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
1055 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
1060 /* Adjust for extra allocation */
1061 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
1062 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
1073 get_doc_page_size (EvView *view,
1080 ev_document_get_page_size (view->document, page, &w, &h);
1081 if (view->rotation == 0 || view->rotation == 180) {
1082 if (width) *width = w;
1083 if (height) *height = h;
1085 if (width) *width = h;
1086 if (height) *height = w;
1091 view_point_to_doc_point (EvView *view,
1092 GdkPoint *view_point,
1093 GdkRectangle *page_area,
1094 double *doc_point_x,
1095 double *doc_point_y)
1097 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
1098 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
1102 view_rect_to_doc_rect (EvView *view,
1103 GdkRectangle *view_rect,
1104 GdkRectangle *page_area,
1105 EvRectangle *doc_rect)
1107 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
1108 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
1109 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
1110 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
1114 doc_point_to_view_point (EvView *view,
1117 GdkPoint *view_point)
1119 GdkRectangle page_area;
1121 double x, y, view_x, view_y;
1122 gdouble width, height;
1124 get_doc_page_size (view, page, &width, &height);
1126 if (view->rotation == 0) {
1129 } else if (view->rotation == 90) {
1130 x = width - doc_point->y;
1132 } else if (view->rotation == 180) {
1133 x = width - doc_point->x;
1134 y = height - doc_point->y;
1135 } else if (view->rotation == 270) {
1137 y = height - doc_point->x;
1139 g_assert_not_reached ();
1142 get_page_extents (view, page, &page_area, &border);
1144 view_x = x * view->scale;
1145 view_y = y * view->scale;
1146 view_point->x = view_x + page_area.x;
1147 view_point->y = view_y + page_area.y;
1149 return (view_x > 0 && view_x <= page_area.width &&
1150 view_y > 0 && view_y <= page_area.height);
1154 doc_rect_to_view_rect (EvView *view,
1156 EvRectangle *doc_rect,
1157 GdkRectangle *view_rect)
1159 GdkRectangle page_area;
1162 gdouble width, height;
1164 get_doc_page_size (view, page, &width, &height);
1166 if (view->rotation == 0) {
1169 w = doc_rect->x2 - doc_rect->x1;
1170 h = doc_rect->y2 - doc_rect->y1;
1171 } else if (view->rotation == 90) {
1172 x = width - doc_rect->y2;
1174 w = doc_rect->y2 - doc_rect->y1;
1175 h = doc_rect->x2 - doc_rect->x1;
1176 } else if (view->rotation == 180) {
1177 x = width - doc_rect->x2;
1178 y = height - doc_rect->y2;
1179 w = doc_rect->x2 - doc_rect->x1;
1180 h = doc_rect->y2 - doc_rect->y1;
1181 } else if (view->rotation == 270) {
1183 y = height - doc_rect->x2;
1184 w = doc_rect->y2 - doc_rect->y1;
1185 h = doc_rect->x2 - doc_rect->x1;
1187 g_assert_not_reached ();
1190 get_page_extents (view, page, &page_area, &border);
1192 view_rect->x = x * view->scale + page_area.x;
1193 view_rect->y = y * view->scale + page_area.y;
1194 view_rect->width = w * view->scale;
1195 view_rect->height = h * view->scale;
1199 get_dual_even_left (EvView *view)
1201 return (ev_document_get_n_pages (view->document) > 2);
1205 find_page_at_location (EvView *view,
1214 if (view->document == NULL)
1218 g_assert (x_offset);
1219 g_assert (y_offset);
1221 for (i = view->start_page; i <= view->end_page; i++) {
1222 GdkRectangle page_area;
1225 if (! get_page_extents (view, i, &page_area, &border))
1228 if ((x >= page_area.x + border.left) &&
1229 (x < page_area.x + page_area.width - border.right) &&
1230 (y >= page_area.y + border.top) &&
1231 (y < page_area.y + page_area.height - border.bottom)) {
1233 *x_offset = x - (page_area.x + border.left);
1234 *y_offset = y - (page_area.y + border.top);
1243 location_in_text (EvView *view,
1249 gint x_offset = 0, y_offset = 0;
1251 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1256 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
1259 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1265 ev_view_get_width (EvView *view)
1267 return GTK_WIDGET (view)->allocation.width;
1271 ev_view_get_height (EvView *view)
1273 return GTK_WIDGET (view)->allocation.height;
1277 location_in_selected_text (EvView *view,
1282 gint x_offset = 0, y_offset = 0;
1283 EvViewSelection *selection;
1286 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1287 selection = (EvViewSelection *)l->data;
1289 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1291 if (page != selection->page)
1294 if (selection->covered_region &&
1295 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1303 get_doc_point_from_offset (EvView *view,
1310 gdouble width, height;
1313 get_doc_page_size (view, page, &width, &height);
1315 x_offset = x_offset / view->scale;
1316 y_offset = y_offset / view->scale;
1318 if (view->rotation == 0) {
1321 } else if (view->rotation == 90) {
1323 y = width - x_offset;
1324 } else if (view->rotation == 180) {
1325 x = width - x_offset;
1326 y = height - y_offset;
1327 } else if (view->rotation == 270) {
1328 x = height - y_offset;
1331 g_assert_not_reached ();
1341 get_doc_point_from_location (EvView *view,
1348 gint x_offset = 0, y_offset = 0;
1350 x += view->scroll_x;
1351 y += view->scroll_y;
1352 find_page_at_location (view, x, y, page, &x_offset, &y_offset);
1356 return get_doc_point_from_offset (view, *page, x_offset, y_offset, x_new, y_new);
1360 ev_view_get_area_from_mapping (EvView *view,
1362 GList *mapping_list,
1368 mapping = ev_mapping_list_find (mapping_list, data);
1369 doc_rect_to_view_rect (view, page, &mapping->area, area);
1370 area->x -= view->scroll_x;
1371 area->y -= view->scroll_y;
1377 ev_view_get_link_at_location (EvView *view,
1382 gint x_new = 0, y_new = 0;
1383 GList *link_mapping;
1385 if (!EV_IS_DOCUMENT_LINKS (view->document))
1388 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1391 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1394 return ev_mapping_list_get_data (link_mapping, x_new, y_new);
1400 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1403 gdouble zoom, left, top;
1404 gboolean change_left, change_top;
1406 left = ev_link_dest_get_left (dest, &change_left);
1407 top = ev_link_dest_get_top (dest, &change_top);
1409 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - left,
1410 ev_link_dest_get_bottom (dest) - top,
1411 ev_view_get_width (view),
1412 ev_view_get_height (view));
1414 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1415 ev_view_set_zoom (view, zoom, FALSE);
1417 doc_point.x = change_left ? left : 0;
1418 doc_point.y = change_top ? top : 0;
1420 view->current_page = ev_link_dest_get_page (dest);
1421 if (change_left || change_top)
1422 view->pending_point = doc_point;
1423 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1425 gtk_widget_queue_resize (GTK_WIDGET (view));
1429 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1432 gdouble doc_width, doc_height;
1435 gboolean change_left;
1437 page = ev_link_dest_get_page (dest);
1438 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1440 left = ev_link_dest_get_left (dest, &change_left);
1441 doc_point.x = change_left ? left : 0;
1444 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1445 ev_view_get_width (view),
1446 ev_view_get_height (view));
1448 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1449 ev_view_set_zoom (view, zoom, FALSE);
1451 view->current_page = page;
1453 view->pending_point = doc_point;
1454 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1456 gtk_widget_queue_resize (GTK_WIDGET (view));
1460 goto_fith_dest (EvView *view, EvLinkDest *dest)
1463 gdouble doc_width, doc_height;
1466 gboolean change_top;
1468 page = ev_link_dest_get_page (dest);
1469 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1471 top = ev_link_dest_get_top (dest, &change_top);
1474 doc_point.y = change_top ? top : 0;
1476 zoom = zoom_for_size_fit_width (doc_width, top,
1477 ev_view_get_width (view),
1478 ev_view_get_height (view));
1480 ev_view_set_sizing_mode (view, EV_SIZING_FIT_WIDTH);
1481 ev_view_set_zoom (view, zoom, FALSE);
1483 view->current_page = page;
1485 view->pending_point = doc_point;
1486 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1488 gtk_widget_queue_resize (GTK_WIDGET (view));
1492 goto_fit_dest (EvView *view, EvLinkDest *dest)
1495 gdouble doc_width, doc_height;
1498 page = ev_link_dest_get_page (dest);
1499 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1501 zoom = zoom_for_size_best_fit (doc_width, doc_height,
1502 ev_view_get_width (view),
1503 ev_view_get_height (view));
1505 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
1506 ev_view_set_zoom (view, zoom, FALSE);
1508 view->current_page = page;
1509 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1511 gtk_widget_queue_resize (GTK_WIDGET (view));
1515 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1519 gdouble zoom, left, top;
1520 gboolean change_zoom, change_left, change_top;
1522 zoom = ev_link_dest_get_zoom (dest, &change_zoom);
1523 page = ev_link_dest_get_page (dest);
1525 if (change_zoom && zoom > 1) {
1526 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1527 ev_view_set_zoom (view, zoom, FALSE);
1530 left = ev_link_dest_get_left (dest, &change_left);
1531 top = ev_link_dest_get_top (dest, &change_top);
1533 doc_point.x = change_left ? left : 0;
1534 doc_point.y = change_top ? top : 0;
1536 view->current_page = page;
1537 if (change_left || change_top)
1538 view->pending_point = doc_point;
1539 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1541 gtk_widget_queue_resize (GTK_WIDGET (view));
1545 goto_dest (EvView *view, EvLinkDest *dest)
1547 EvLinkDestType type;
1548 int page, n_pages, current_page;
1550 page = ev_link_dest_get_page (dest);
1551 n_pages = ev_document_get_n_pages (view->document);
1553 if (page < 0 || page >= n_pages)
1556 current_page = view->current_page;
1558 type = ev_link_dest_get_dest_type (dest);
1561 case EV_LINK_DEST_TYPE_PAGE:
1562 ev_page_cache_set_current_page (view->page_cache, page);
1564 case EV_LINK_DEST_TYPE_FIT:
1565 goto_fit_dest (view, dest);
1567 case EV_LINK_DEST_TYPE_FITH:
1568 goto_fith_dest (view, dest);
1570 case EV_LINK_DEST_TYPE_FITV:
1571 goto_fitv_dest (view, dest);
1573 case EV_LINK_DEST_TYPE_FITR:
1574 goto_fitr_dest (view, dest);
1576 case EV_LINK_DEST_TYPE_XYZ:
1577 goto_xyz_dest (view, dest);
1579 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1580 ev_page_cache_set_page_label (view->page_cache, ev_link_dest_get_page_label (dest));
1583 g_assert_not_reached ();
1586 if (current_page != view->current_page)
1587 ev_page_cache_set_current_page (view->page_cache,
1588 view->current_page);
1592 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1594 EvLinkDestType type;
1596 type = ev_link_dest_get_dest_type (dest);
1598 if (type == EV_LINK_DEST_TYPE_NAMED) {
1600 const gchar *named_dest;
1602 named_dest = ev_link_dest_get_named_dest (dest);
1603 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1606 goto_dest (view, dest2);
1607 g_object_unref (dest2);
1613 goto_dest (view, dest);
1617 ev_view_handle_link (EvView *view, EvLink *link)
1619 EvLinkAction *action = NULL;
1620 EvLinkActionType type;
1622 action = ev_link_get_action (link);
1626 type = ev_link_action_get_action_type (action);
1629 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1632 g_signal_emit (view, signals[SIGNAL_HANDLE_LINK], 0, link);
1634 dest = ev_link_action_get_dest (action);
1635 ev_view_goto_dest (view, dest);
1638 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1639 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1640 case EV_LINK_ACTION_TYPE_LAUNCH:
1641 case EV_LINK_ACTION_TYPE_NAMED:
1642 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1648 ev_view_page_label_from_dest (EvView *view, EvLinkDest *dest)
1650 EvLinkDestType type;
1653 type = ev_link_dest_get_dest_type (dest);
1656 case EV_LINK_DEST_TYPE_NAMED: {
1658 const gchar *named_dest;
1660 named_dest = ev_link_dest_get_named_dest (dest);
1661 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1664 msg = ev_document_get_page_label (view->document,
1665 ev_link_dest_get_page (dest2));
1666 g_object_unref (dest2);
1671 case EV_LINK_DEST_TYPE_PAGE_LABEL: {
1672 msg = g_strdup (ev_link_dest_get_page_label (dest));
1676 msg = ev_document_get_page_label (view->document,
1677 ev_link_dest_get_page (dest));
1684 tip_from_action_named (EvLinkAction *action)
1686 const gchar *name = ev_link_action_get_name (action);
1688 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1689 return g_strdup (_("Go to first page"));
1690 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1691 return g_strdup (_("Go to previous page"));
1692 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1693 return g_strdup (_("Go to next page"));
1694 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1695 return g_strdup (_("Go to last page"));
1696 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1697 return g_strdup (_("Go to page"));
1698 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1699 return g_strdup (_("Find"));
1706 tip_from_link (EvView *view, EvLink *link)
1708 EvLinkAction *action;
1709 EvLinkActionType type;
1714 action = ev_link_get_action (link);
1715 title = ev_link_get_title (link);
1718 return title ? g_strdup (title) : NULL;
1720 type = ev_link_action_get_action_type (action);
1723 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1724 page_label = ev_view_page_label_from_dest (view,
1725 ev_link_action_get_dest (action));
1727 msg = g_strdup_printf (_("Go to page %s"), page_label);
1728 g_free (page_label);
1731 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1733 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1734 ev_link_action_get_filename (action));
1736 msg = g_strdup_printf (_("Go to file “%s”"),
1737 ev_link_action_get_filename (action));
1740 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1741 msg = g_strdup (ev_link_action_get_uri (action));
1743 case EV_LINK_ACTION_TYPE_LAUNCH:
1744 msg = g_strdup_printf (_("Launch %s"),
1745 ev_link_action_get_filename (action));
1747 case EV_LINK_ACTION_TYPE_NAMED:
1748 msg = tip_from_action_named (action);
1752 msg = g_strdup (title);
1760 ev_view_handle_cursor_over_xy (EvView *view, gint x, gint y)
1764 EvAnnotation *annot = NULL;
1766 if (view->cursor == EV_VIEW_CURSOR_HIDDEN)
1769 if (view->drag_info.in_drag) {
1770 if (view->cursor != EV_VIEW_CURSOR_DRAG)
1771 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1775 if (view->scroll_info.autoscrolling) {
1776 if (view->cursor != EV_VIEW_CURSOR_AUTOSCROLL)
1777 ev_view_set_cursor (view, EV_VIEW_CURSOR_AUTOSCROLL);
1781 link = ev_view_get_link_at_location (view, x, y);
1783 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1784 } else if ((field = ev_view_get_form_field_at_location (view, x, y))) {
1785 if (field->is_read_only) {
1786 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1787 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1788 view->cursor == EV_VIEW_CURSOR_DRAG)
1789 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1790 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
1791 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1793 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1795 } else if ((annot = ev_view_get_annotation_at_location (view, x, y))) {
1796 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1797 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1798 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1800 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1801 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1802 view->cursor == EV_VIEW_CURSOR_DRAG ||
1803 view->cursor == EV_VIEW_CURSOR_AUTOSCROLL)
1804 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1808 g_object_set (view, "has-tooltip", TRUE, NULL);
1813 ev_view_get_image_at_location (EvView *view,
1818 gint x_new = 0, y_new = 0;
1819 GList *image_mapping;
1821 if (!EV_IS_DOCUMENT_IMAGES (view->document))
1824 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1827 image_mapping = ev_pixbuf_cache_get_image_mapping (view->pixbuf_cache, page);
1830 return ev_mapping_list_get_data (image_mapping, x_new, y_new);
1836 static EvFormField *
1837 ev_view_get_form_field_at_location (EvView *view,
1842 gint x_new = 0, y_new = 0;
1843 GList *forms_mapping;
1845 if (!EV_IS_DOCUMENT_FORMS (view->document))
1848 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1851 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, page);
1854 return ev_mapping_list_get_data (forms_mapping, x_new, y_new);
1860 ev_view_form_field_get_region (EvView *view,
1863 GdkRectangle view_area;
1864 GList *forms_mapping;
1866 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
1867 field->page->index);
1868 ev_view_get_area_from_mapping (view, field->page->index,
1872 return gdk_region_rectangle (&view_area);
1876 ev_view_forms_remove_widgets (EvView *view)
1878 ev_view_remove_all (view);
1884 ev_view_form_field_destroy (GtkWidget *widget,
1887 g_idle_add ((GSourceFunc)ev_view_forms_remove_widgets, view);
1891 ev_view_form_field_button_create_widget (EvView *view,
1894 EvFormFieldButton *field_button = EV_FORM_FIELD_BUTTON (field);
1895 GdkRegion *field_region = NULL;
1897 switch (field_button->type) {
1898 case EV_FORM_FIELD_BUTTON_PUSH:
1900 case EV_FORM_FIELD_BUTTON_CHECK:
1901 case EV_FORM_FIELD_BUTTON_RADIO: {
1903 GList *forms_mapping, *l;
1905 state = ev_document_forms_form_field_button_get_state (EV_DOCUMENT_FORMS (view->document),
1908 /* FIXME: it actually depends on NoToggleToOff flags */
1909 if (field_button->type == EV_FORM_FIELD_BUTTON_RADIO &&
1910 state && field_button->state)
1913 field_region = ev_view_form_field_get_region (view, field);
1915 /* For radio buttons and checkbox buttons that are in a set
1916 * we need to update also the region for the current selected item
1918 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
1919 field->page->index);
1920 for (l = forms_mapping; l; l = g_list_next (l)) {
1921 EvFormField *button = ((EvMapping *)(l->data))->data;
1922 GdkRegion *button_region;
1924 if (button->id == field->id)
1927 /* FIXME: only buttons in the same group should be updated */
1928 if (!EV_IS_FORM_FIELD_BUTTON (button) ||
1929 EV_FORM_FIELD_BUTTON (button)->type != field_button->type ||
1930 EV_FORM_FIELD_BUTTON (button)->state != TRUE)
1933 button_region = ev_view_form_field_get_region (view, button);
1934 gdk_region_union (field_region, button_region);
1935 gdk_region_destroy (button_region);
1938 ev_document_forms_form_field_button_set_state (EV_DOCUMENT_FORMS (view->document),
1940 field_button->state = !state;
1945 ev_view_reload_page (view, field->page->index, field_region);
1946 gdk_region_destroy (field_region);
1952 ev_view_form_field_text_save (EvView *view,
1957 if (!view->document)
1960 field = g_object_get_data (G_OBJECT (widget), "form-field");
1962 if (field->changed) {
1963 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1964 GdkRegion *field_region;
1966 field_region = ev_view_form_field_get_region (view, field);
1968 ev_document_forms_form_field_text_set_text (EV_DOCUMENT_FORMS (view->document),
1969 field, field_text->text);
1970 field->changed = FALSE;
1971 ev_view_reload_page (view, field->page->index, field_region);
1972 gdk_region_destroy (field_region);
1977 ev_view_form_field_text_changed (GtkWidget *widget,
1980 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1983 if (GTK_IS_ENTRY (widget)) {
1984 text = g_strdup (gtk_entry_get_text (GTK_ENTRY (widget)));
1985 } else if (GTK_IS_TEXT_BUFFER (widget)) {
1986 GtkTextIter start, end;
1988 gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (widget), &start, &end);
1989 text = gtk_text_buffer_get_text (GTK_TEXT_BUFFER (widget),
1990 &start, &end, FALSE);
1993 if (!field_text->text ||
1994 (field_text->text && g_ascii_strcasecmp (field_text->text, text) != 0)) {
1995 g_free (field_text->text);
1996 field_text->text = text;
1997 field->changed = TRUE;
2002 ev_view_form_field_text_create_widget (EvView *view,
2005 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2006 GtkWidget *text = NULL;
2009 txt = ev_document_forms_form_field_text_get_text (EV_DOCUMENT_FORMS (view->document),
2012 switch (field_text->type) {
2013 case EV_FORM_FIELD_TEXT_FILE_SELECT:
2015 case EV_FORM_FIELD_TEXT_NORMAL:
2016 text = gtk_entry_new ();
2017 gtk_entry_set_has_frame (GTK_ENTRY (text), FALSE);
2018 gtk_entry_set_max_length (GTK_ENTRY (text), field_text->max_len);
2019 gtk_entry_set_visibility (GTK_ENTRY (text), !field_text->is_password);
2022 gtk_entry_set_text (GTK_ENTRY (text), txt);
2026 g_signal_connect (text, "changed",
2027 G_CALLBACK (ev_view_form_field_text_changed),
2029 g_signal_connect_after (text, "activate",
2030 G_CALLBACK (ev_view_form_field_destroy),
2033 case EV_FORM_FIELD_TEXT_MULTILINE: {
2034 GtkTextBuffer *buffer;
2036 text = gtk_text_view_new ();
2037 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text));
2040 gtk_text_buffer_set_text (buffer, txt, -1);
2044 g_signal_connect (buffer, "changed",
2045 G_CALLBACK (ev_view_form_field_text_changed),
2051 g_object_weak_ref (G_OBJECT (text),
2052 (GWeakNotify)ev_view_form_field_text_save,
2059 ev_view_form_field_choice_save (EvView *view,
2064 if (!view->document)
2067 field = g_object_get_data (G_OBJECT (widget), "form-field");
2069 if (field->changed) {
2071 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2072 GdkRegion *field_region;
2074 field_region = ev_view_form_field_get_region (view, field);
2076 if (field_choice->is_editable) {
2077 ev_document_forms_form_field_choice_set_text (EV_DOCUMENT_FORMS (view->document),
2078 field, field_choice->text);
2080 ev_document_forms_form_field_choice_unselect_all (EV_DOCUMENT_FORMS (view->document), field);
2081 for (l = field_choice->selected_items; l; l = g_list_next (l)) {
2082 ev_document_forms_form_field_choice_select_item (EV_DOCUMENT_FORMS (view->document),
2084 GPOINTER_TO_INT (l->data));
2087 field->changed = FALSE;
2088 ev_view_reload_page (view, field->page->index, field_region);
2089 gdk_region_destroy (field_region);
2094 ev_view_form_field_choice_changed (GtkWidget *widget,
2097 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2099 if (GTK_IS_COMBO_BOX (widget)) {
2102 item = gtk_combo_box_get_active (GTK_COMBO_BOX (widget));
2103 if (!field_choice->selected_items ||
2104 GPOINTER_TO_INT (field_choice->selected_items->data) != item) {
2105 g_list_free (field_choice->selected_items);
2106 field_choice->selected_items = NULL;
2107 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2108 GINT_TO_POINTER (item));
2109 field->changed = TRUE;
2112 if (GTK_IS_COMBO_BOX_ENTRY (widget)) {
2115 text = gtk_combo_box_get_active_text (GTK_COMBO_BOX (widget));
2116 if (!field_choice->text ||
2117 (field_choice->text && g_ascii_strcasecmp (field_choice->text, text) != 0)) {
2118 g_free (field_choice->text);
2119 field_choice->text = text;
2120 field->changed = TRUE;
2123 } else if (GTK_IS_TREE_SELECTION (widget)) {
2124 GtkTreeSelection *selection = GTK_TREE_SELECTION (widget);
2125 GtkTreeModel *model;
2128 items = gtk_tree_selection_get_selected_rows (selection, &model);
2129 g_list_free (field_choice->selected_items);
2130 field_choice->selected_items = NULL;
2132 for (l = items; l && l->data; l = g_list_next (l)) {
2134 GtkTreePath *path = (GtkTreePath *)l->data;
2137 gtk_tree_model_get_iter (model, &iter, path);
2138 gtk_tree_model_get (model, &iter, 1, &item, -1);
2140 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2141 GINT_TO_POINTER (item));
2143 gtk_tree_path_free (path);
2146 g_list_free (items);
2148 field->changed = TRUE;
2153 ev_view_form_field_choice_create_widget (EvView *view,
2156 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2158 GtkTreeModel *model;
2160 gint selected_item = 0;
2162 n_items = ev_document_forms_form_field_choice_get_n_items (EV_DOCUMENT_FORMS (view->document),
2164 model = GTK_TREE_MODEL (gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT));
2165 for (i = 0; i < n_items; i++) {
2169 item = ev_document_forms_form_field_choice_get_item (EV_DOCUMENT_FORMS (view->document),
2171 if (ev_document_forms_form_field_choice_is_item_selected (
2172 EV_DOCUMENT_FORMS (view->document), field, i)) {
2174 /* FIXME: we need a get_selected_items function in poppler */
2175 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2176 GINT_TO_POINTER (i));
2180 gtk_list_store_append (GTK_LIST_STORE (model), &iter);
2181 gtk_list_store_set (GTK_LIST_STORE (model), &iter,
2189 if (field_choice->type == EV_FORM_FIELD_CHOICE_LIST) {
2190 GtkCellRenderer *renderer;
2191 GtkWidget *tree_view;
2192 GtkTreeSelection *selection;
2194 tree_view = gtk_tree_view_new_with_model (model);
2195 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);
2197 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
2198 if (field_choice->multi_select) {
2199 gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
2202 /* TODO: set selected items */
2204 renderer = gtk_cell_renderer_text_new ();
2205 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
2211 choice = gtk_scrolled_window_new (NULL, NULL);
2212 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (choice),
2213 GTK_POLICY_AUTOMATIC,
2214 GTK_POLICY_AUTOMATIC);
2215 gtk_container_add (GTK_CONTAINER (choice), tree_view);
2216 gtk_widget_show (tree_view);
2218 g_signal_connect (selection, "changed",
2219 G_CALLBACK (ev_view_form_field_choice_changed),
2221 g_signal_connect_after (selection, "changed",
2222 G_CALLBACK (ev_view_form_field_destroy),
2224 } else if (field_choice->is_editable) { /* ComboBoxEntry */
2227 choice = gtk_combo_box_entry_new_with_model (model, 0);
2228 text = ev_document_forms_form_field_choice_get_text (EV_DOCUMENT_FORMS (view->document), field);
2230 gtk_entry_set_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (choice))), text);
2234 g_signal_connect (choice, "changed",
2235 G_CALLBACK (ev_view_form_field_choice_changed),
2237 g_signal_connect_after (GTK_BIN(choice)->child, "activate",
2238 G_CALLBACK (ev_view_form_field_destroy),
2240 } else { /* ComboBoxText */
2241 GtkCellRenderer *renderer;
2243 choice = gtk_combo_box_new_with_model (model);
2244 renderer = gtk_cell_renderer_text_new ();
2245 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (choice),
2247 gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (choice),
2251 gtk_combo_box_set_active (GTK_COMBO_BOX (choice), selected_item);
2252 gtk_combo_box_popup (GTK_COMBO_BOX (choice));
2254 g_signal_connect (choice, "changed",
2255 G_CALLBACK (ev_view_form_field_choice_changed),
2257 g_signal_connect_after (choice, "changed",
2258 G_CALLBACK (ev_view_form_field_destroy),
2262 g_object_unref (model);
2264 g_object_weak_ref (G_OBJECT (choice),
2265 (GWeakNotify)ev_view_form_field_choice_save,
2272 ev_view_handle_form_field (EvView *view,
2277 GtkWidget *field_widget = NULL;
2278 GList *form_field_mapping;
2279 GdkRectangle view_area;
2281 if (field->is_read_only)
2284 if (EV_IS_FORM_FIELD_BUTTON (field)) {
2285 field_widget = ev_view_form_field_button_create_widget (view, field);
2286 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
2287 field_widget = ev_view_form_field_text_create_widget (view, field);
2288 } else if (EV_IS_FORM_FIELD_CHOICE (field)) {
2289 field_widget = ev_view_form_field_choice_create_widget (view, field);
2290 } else if (EV_IS_FORM_FIELD_SIGNATURE (field)) {
2294 /* Form field doesn't require a widget */
2298 g_object_set_data_full (G_OBJECT (field_widget), "form-field",
2299 g_object_ref (field),
2300 (GDestroyNotify)g_object_unref);
2302 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, field->page->index);
2303 ev_view_get_area_from_mapping (view, field->page->index,
2307 gtk_layout_put (GTK_LAYOUT (view), field_widget, view_area.x, view_area.y);
2308 gtk_widget_show (field_widget);
2309 gtk_widget_grab_focus (field_widget);
2313 static EvViewWindowChild *
2314 ev_view_get_window_child (EvView *view,
2317 GList *children = view->window_children;
2320 EvViewWindowChild *child;
2322 child = (EvViewWindowChild *)children->data;
2323 children = children->next;
2325 if (child->window == window)
2333 ev_view_window_child_move (EvView *view,
2334 EvViewWindowChild *child,
2340 gtk_window_move (GTK_WINDOW (child->window),
2341 MAX (child->parent_x, x),
2342 MAX (child->parent_y, y));
2346 ev_view_window_child_move_with_parent (EvView *view,
2349 EvViewWindowChild *child;
2350 gint root_x, root_y;
2352 child = ev_view_get_window_child (view, window);
2353 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2355 if (root_x != child->parent_x || root_y != child->parent_y) {
2356 gint dest_x, dest_y;
2358 dest_x = child->x + (root_x - child->parent_x);
2359 dest_y = child->y + (root_y - child->parent_y);
2360 child->parent_x = root_x;
2361 child->parent_y = root_y;
2362 ev_view_window_child_move (view, child, dest_x, dest_y);
2365 if (child->visible && !GTK_WIDGET_VISIBLE (window))
2366 gtk_widget_show (window);
2370 ev_view_window_child_put (EvView *view,
2378 EvViewWindowChild *child;
2379 gint root_x, root_y;
2381 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2384 child = g_new0 (EvViewWindowChild, 1);
2385 child->window = window;
2387 child->orig_x = orig_x;
2388 child->orig_y = orig_y;
2389 child->parent_x = root_x;
2390 child->parent_y = root_y;
2391 child->visible = ev_annotation_window_is_open (EV_ANNOTATION_WINDOW (window));
2392 ev_view_window_child_move (view, child, x + root_x, y + root_y);
2395 gtk_widget_show (window);
2397 gtk_widget_hide (window);
2399 view->window_children = g_list_append (view->window_children, child);
2402 static EvViewWindowChild *
2403 ev_view_find_window_child_for_annot (EvView *view,
2405 EvAnnotation *annot)
2407 GList *children = view->window_children;
2410 EvViewWindowChild *child;
2411 EvAnnotation *wannot;
2413 child = (EvViewWindowChild *)children->data;
2414 children = children->next;
2416 if (child->page != page)
2419 wannot = ev_annotation_window_get_annotation (EV_ANNOTATION_WINDOW (child->window));
2420 if (wannot == annot || strcmp (wannot->name, annot->name) == 0)
2428 ev_view_window_children_free (EvView *view)
2432 if (!view->window_children)
2435 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
2436 EvViewWindowChild *child;
2438 child = (EvViewWindowChild *)l->data;
2439 gtk_widget_destroy (GTK_WIDGET (child->window));
2442 g_list_free (view->window_children);
2443 view->window_children = NULL;
2444 view->window_child_focus = NULL;
2448 annotation_window_grab_focus (GtkWidget *widget,
2451 if (view->window_child_focus)
2452 ev_annotation_window_ungrab_focus (EV_ANNOTATION_WINDOW (view->window_child_focus->window));
2453 view->window_child_focus = ev_view_get_window_child (view, widget);
2457 annotation_window_closed (EvAnnotationWindow *window,
2460 EvViewWindowChild *child;
2462 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2463 child->visible = FALSE;
2467 annotation_window_moved (EvAnnotationWindow *window,
2472 EvViewWindowChild *child;
2473 GdkRectangle page_area;
2475 GdkRectangle view_rect;
2476 EvRectangle doc_rect;
2479 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2480 if (child->x == x && child->y == y)
2483 child->moved = TRUE;
2487 /* Window has been moved by the user,
2488 * we have to set a new origin in doc coords
2490 gtk_window_get_size (GTK_WINDOW (window), &width, &height);
2491 view_rect.x = (x - child->parent_x) + view->scroll_x;
2492 view_rect.y = (y - child->parent_y) + view->scroll_y;
2493 view_rect.width = width;
2494 view_rect.height = height;
2496 get_page_extents (view, child->page, &page_area, &border);
2497 view_rect_to_doc_rect (view, &view_rect, &page_area, &doc_rect);
2498 child->orig_x = doc_rect.x1;
2499 child->orig_y = doc_rect.y1;
2503 ev_view_annotation_save (EvView *view,
2504 EvAnnotation *annot)
2506 if (!view->document)
2509 if (!annot->changed)
2512 ev_document_annotations_annotation_set_contents (EV_DOCUMENT_ANNOTATIONS (view->document),
2513 annot, annot->contents);
2514 annot->changed = FALSE;
2518 show_annotation_windows (EvView *view,
2524 parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
2526 annots = ev_pixbuf_cache_get_annots_mapping (view->pixbuf_cache, page);
2528 for (l = annots; l && l->data; l = g_list_next (l)) {
2529 EvAnnotation *annot;
2530 EvViewWindowChild *child;
2532 EvRectangle *doc_rect;
2533 GdkRectangle view_rect;
2535 annot = ((EvMapping *)(l->data))->data;
2537 if (!EV_IS_ANNOTATION_MARKUP (annot))
2540 if (!ev_annotation_markup_has_popup (EV_ANNOTATION_MARKUP (annot)))
2543 window = g_object_get_data (G_OBJECT (annot), "popup");
2545 ev_view_window_child_move_with_parent (view, window);
2549 /* Look if we already have a popup for this annot */
2550 child = ev_view_find_window_child_for_annot (view, page, annot);
2551 window = child ? child->window : NULL;
2553 ev_annotation_window_set_annotation (EV_ANNOTATION_WINDOW (window), annot);
2554 g_object_set_data (G_OBJECT (annot), "popup", window);
2555 ev_view_window_child_move_with_parent (view, window);
2557 window = ev_annotation_window_new (annot, parent);
2558 g_signal_connect (window, "grab_focus",
2559 G_CALLBACK (annotation_window_grab_focus),
2561 g_signal_connect (window, "closed",
2562 G_CALLBACK (annotation_window_closed),
2564 g_signal_connect (window, "moved",
2565 G_CALLBACK (annotation_window_moved),
2567 g_object_set_data (G_OBJECT (annot), "popup", window);
2569 doc_rect = (EvRectangle *)ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (window));
2570 doc_rect_to_view_rect (view, page, doc_rect, &view_rect);
2571 view_rect.x -= view->scroll_x;
2572 view_rect.y -= view->scroll_y;
2574 ev_view_window_child_put (view, window, page,
2575 view_rect.x, view_rect.y,
2576 doc_rect->x1, doc_rect->y1);
2578 g_object_weak_ref (G_OBJECT (annot),
2579 (GWeakNotify)ev_view_annotation_save,
2586 hide_annotation_windows (EvView *view,
2591 annots = ev_pixbuf_cache_get_annots_mapping (view->pixbuf_cache, page);
2593 for (l = annots; l && l->data; l = g_list_next (l)) {
2594 EvAnnotation *annot;
2597 annot = ((EvMapping *)(l->data))->data;
2599 if (!EV_IS_ANNOTATION_MARKUP (annot))
2602 window = g_object_get_data (G_OBJECT (annot), "popup");
2604 gtk_widget_hide (window);
2608 static EvAnnotation *
2609 ev_view_get_annotation_at_location (EvView *view,
2614 gint x_new = 0, y_new = 0;
2615 GList *annotations_mapping;
2617 if (!EV_IS_DOCUMENT_ANNOTATIONS (view->document))
2620 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
2623 annotations_mapping = ev_pixbuf_cache_get_annots_mapping (view->pixbuf_cache, page);
2625 if (annotations_mapping)
2626 return ev_mapping_list_get_data (annotations_mapping, x_new, y_new);
2632 ev_view_handle_annotation (EvView *view,
2633 EvAnnotation *annot,
2637 if (EV_IS_ANNOTATION_MARKUP (annot)) {
2640 window = g_object_get_data (G_OBJECT (annot), "popup");
2642 EvViewWindowChild *child;
2644 child = ev_view_get_window_child (view, window);
2645 if (!child->visible) {
2646 child->visible = TRUE;
2647 ev_view_window_child_move (view, child, child->x, child->y);
2648 gtk_widget_show (window);
2654 /*** GtkWidget implementation ***/
2657 ev_view_size_request_continuous_dual_page (EvView *view,
2658 GtkRequisition *requisition)
2664 ev_view_get_max_page_size (view, &max_width, NULL);
2665 compute_border (view, max_width, max_width, &border);
2667 n_pages = ev_document_get_n_pages (view->document) + 1;
2669 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
2670 get_page_y_offset (view, n_pages, &requisition->height);
2672 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2673 requisition->width = 1;
2674 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2675 requisition->width = 1;
2676 /* FIXME: This could actually be set on one page docs or docs
2677 * with a strange aspect ratio. */
2678 /* requisition->height = 1;*/
2683 ev_view_size_request_continuous (EvView *view,
2684 GtkRequisition *requisition)
2690 ev_view_get_max_page_size (view, &max_width, NULL);
2691 n_pages = ev_document_get_n_pages (view->document);
2692 compute_border (view, max_width, max_width, &border);
2694 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
2695 get_page_y_offset (view, n_pages, &requisition->height);
2697 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2698 requisition->width = 1;
2699 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2700 requisition->width = 1;
2701 /* FIXME: This could actually be set on one page docs or docs
2702 * with a strange aspect ratio. */
2703 /* requisition->height = 1;*/
2708 ev_view_size_request_dual_page (EvView *view,
2709 GtkRequisition *requisition)
2714 /* Find the largest of the two. */
2715 ev_view_get_page_size (view,
2718 if (view->current_page + 1 < ev_document_get_n_pages (view->document)) {
2719 gint width_2, height_2;
2720 ev_view_get_page_size (view,
2721 view->current_page + 1,
2722 &width_2, &height_2);
2723 if (width_2 > width) {
2728 compute_border (view, width, height, &border);
2730 requisition->width = ((width + border.left + border.right) * 2) +
2731 (view->spacing * 3);
2732 requisition->height = (height + border.top + border.bottom) +
2733 (view->spacing * 2);
2735 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2736 requisition->width = 1;
2737 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2738 requisition->width = 1;
2739 requisition->height = 1;
2744 ev_view_size_request_single_page (EvView *view,
2745 GtkRequisition *requisition)
2750 ev_view_get_page_size (view, view->current_page, &width, &height);
2751 compute_border (view, width, height, &border);
2753 requisition->width = width + border.left + border.right + (2 * view->spacing);
2754 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2756 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2757 requisition->width = 1;
2758 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2759 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2760 requisition->width = 1;
2761 requisition->height = 1;
2766 ev_view_size_request (GtkWidget *widget,
2767 GtkRequisition *requisition)
2769 EvView *view = EV_VIEW (widget);
2771 if (view->document == NULL) {
2772 requisition->width = 1;
2773 requisition->height = 1;
2777 if (view->presentation) {
2778 requisition->width = 1;
2779 requisition->height = 1;
2783 if (view->continuous && view->dual_page)
2784 ev_view_size_request_continuous_dual_page (view, requisition);
2785 else if (view->continuous)
2786 ev_view_size_request_continuous (view, requisition);
2787 else if (view->dual_page)
2788 ev_view_size_request_dual_page (view, requisition);
2790 ev_view_size_request_single_page (view, requisition);
2794 ev_view_size_allocate (GtkWidget *widget,
2795 GtkAllocation *allocation)
2797 EvView *view = EV_VIEW (widget);
2798 GList *children, *l;
2799 gint root_x, root_y;
2801 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
2803 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2804 view->sizing_mode == EV_SIZING_BEST_FIT) {
2805 ev_view_zoom_for_size (view,
2807 allocation->height);
2808 ev_view_size_request (widget, &widget->requisition);
2811 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
2812 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
2815 view_update_range_and_current_page (view);
2817 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2818 view->pending_resize = FALSE;
2820 children = gtk_container_get_children (GTK_CONTAINER (widget));
2821 for (l = children; l && l->data; l = g_list_next (l)) {
2823 GdkRectangle view_area;
2824 GList *form_field_mapping;
2825 GtkAllocation child_allocation;
2826 GtkRequisition child_requisition;
2827 GtkWidget *child = (GtkWidget *)l->data;
2829 field = g_object_get_data (G_OBJECT (child), "form-field");
2833 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
2834 field->page->index);
2835 ev_view_get_area_from_mapping (view, field->page->index,
2839 gtk_widget_size_request (child, &child_requisition);
2840 if (child_requisition.width != view_area.width ||
2841 child_requisition.height != view_area.height)
2842 gtk_widget_set_size_request (child, view_area.width, view_area.height);
2844 gtk_container_child_get (GTK_CONTAINER (widget),
2846 "x", &child_allocation.x,
2847 "y", &child_allocation.y,
2849 if (child_allocation.x != view_area.x ||
2850 child_allocation.y != view_area.y) {
2851 gtk_layout_move (GTK_LAYOUT (widget), child, view_area.x, view_area.y);
2854 g_list_free (children);
2856 if (view->window_children)
2857 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2860 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
2861 EvViewWindowChild *child;
2862 EvRectangle doc_rect;
2863 GdkRectangle view_rect;
2865 child = (EvViewWindowChild *)l->data;
2867 doc_rect = *ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (child->window));
2869 doc_rect.x1 = child->orig_x;
2870 doc_rect.y1 = child->orig_y;
2872 doc_rect_to_view_rect (view, child->page, &doc_rect, &view_rect);
2873 view_rect.x -= view->scroll_x;
2874 view_rect.y -= view->scroll_y;
2876 if (view_rect.x != child->orig_x || view_rect.y != child->orig_y) {
2877 child->parent_x = root_x;
2878 child->parent_y = root_y;
2879 ev_view_window_child_move (view, child, view_rect.x + root_x, view_rect.y + root_y);
2885 ev_view_realize (GtkWidget *widget)
2887 EvView *view = EV_VIEW (widget);
2889 if (GTK_WIDGET_CLASS (ev_view_parent_class)->realize)
2890 (* GTK_WIDGET_CLASS (ev_view_parent_class)->realize) (widget);
2892 gdk_window_set_events (view->layout.bin_window,
2893 (gdk_window_get_events (view->layout.bin_window) |
2895 GDK_BUTTON_PRESS_MASK |
2896 GDK_BUTTON_RELEASE_MASK |
2898 GDK_KEY_PRESS_MASK |
2899 GDK_POINTER_MOTION_MASK |
2900 GDK_POINTER_MOTION_HINT_MASK |
2901 GDK_ENTER_NOTIFY_MASK |
2902 GDK_LEAVE_NOTIFY_MASK));
2904 if (view->presentation)
2905 gdk_window_set_background (view->layout.bin_window, &widget->style->black);
2907 gdk_window_set_background (view->layout.bin_window, &widget->style->mid [GTK_STATE_NORMAL]);
2911 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
2913 EvView *view = EV_VIEW (widget);
2916 state = event->state & gtk_accelerator_get_default_mod_mask ();
2918 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
2919 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
2921 if (event->direction == GDK_SCROLL_UP ||
2922 event->direction == GDK_SCROLL_LEFT) {
2923 if (ev_view_can_zoom_in (view)) {
2924 ev_view_zoom_in (view);
2927 if (ev_view_can_zoom_out (view)) {
2928 ev_view_zoom_out (view);
2935 view->jump_to_find_result = FALSE;
2937 /* Shift+Wheel scrolls the in the perpendicular direction */
2938 if (state & GDK_SHIFT_MASK) {
2939 if (event->direction == GDK_SCROLL_UP)
2940 event->direction = GDK_SCROLL_LEFT;
2941 else if (event->direction == GDK_SCROLL_LEFT)
2942 event->direction = GDK_SCROLL_UP;
2943 else if (event->direction == GDK_SCROLL_DOWN)
2944 event->direction = GDK_SCROLL_RIGHT;
2945 else if (event->direction == GDK_SCROLL_RIGHT)
2946 event->direction = GDK_SCROLL_DOWN;
2948 event->state &= ~GDK_SHIFT_MASK;
2949 state &= ~GDK_SHIFT_MASK;
2953 (view->presentation ||
2954 (view->sizing_mode == EV_SIZING_BEST_FIT && !view->continuous))) {
2955 switch (event->direction) {
2956 case GDK_SCROLL_DOWN:
2957 case GDK_SCROLL_RIGHT:
2958 ev_view_next_page (view);
2961 case GDK_SCROLL_LEFT:
2962 ev_view_previous_page (view);
2972 static EvViewSelection *
2973 find_selection_for_page (EvView *view,
2978 for (list = view->selection_info.selections; list != NULL; list = list->next) {
2979 EvViewSelection *selection;
2981 selection = (EvViewSelection *) list->data;
2983 if (selection->page == page)
2991 draw_end_presentation_page (EvView *view,
2992 GdkRectangle *page_area)
2994 PangoLayout *layout;
2995 PangoFontDescription *font_desc;
2997 const gchar *text = _("End of presentation. Press Escape to exit.");
2999 if (view->presentation_state != EV_PRESENTATION_END)
3002 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), NULL);
3003 markup = g_strdup_printf ("<span foreground=\"white\">%s</span>", text);
3004 pango_layout_set_markup (layout, markup, -1);
3007 font_desc = pango_font_description_new ();
3008 pango_font_description_set_size (font_desc, 16 * PANGO_SCALE);
3009 pango_layout_set_font_description (layout, font_desc);
3011 gtk_paint_layout (GTK_WIDGET (view)->style,
3012 view->layout.bin_window,
3013 GTK_WIDGET_STATE (view),
3022 pango_font_description_free (font_desc);
3023 g_object_unref (layout);
3027 ev_view_expose_event (GtkWidget *widget,
3028 GdkEventExpose *event)
3030 EvView *view = EV_VIEW (widget);
3034 if (view->animation) {
3035 if (ev_transition_animation_ready (view->animation)) {
3036 GdkRectangle page_area;
3039 if (get_page_extents (view, view->current_page, &page_area, &border)) {
3040 cr = gdk_cairo_create (view->layout.bin_window);
3042 /* normalize to x=0, y=0 */
3043 cairo_translate (cr, page_area.x, page_area.y);
3044 page_area.x = page_area.y = 0;
3046 ev_transition_animation_paint (view->animation, cr, page_area);
3054 if (view->presentation) {
3055 switch (view->presentation_state) {
3056 case EV_PRESENTATION_END: {
3057 GdkRectangle area = {0};
3059 area.width = widget->allocation.width;
3060 area.height = widget->allocation.height;
3062 draw_end_presentation_page (view, &area);
3065 case EV_PRESENTATION_BLACK:
3066 case EV_PRESENTATION_WHITE:
3068 case EV_PRESENTATION_NORMAL:
3072 } else if (view->loading) {
3073 GdkRectangle area = {0};
3075 area.width = widget->allocation.width;
3076 area.height = widget->allocation.height;
3078 draw_loading_text (view,
3083 if (view->document == NULL)
3086 cr = gdk_cairo_create (view->layout.bin_window);
3088 for (i = view->start_page; i <= view->end_page; i++) {
3089 GdkRectangle page_area;
3091 gboolean page_ready = TRUE;
3093 if (!get_page_extents (view, i, &page_area, &border))
3096 page_area.x -= view->scroll_x;
3097 page_area.y -= view->scroll_y;
3099 draw_one_page (view, i, cr, &page_area, &border, &(event->area), &page_ready);
3101 if (page_ready && view->find_pages && view->highlight_find_results)
3102 highlight_find_results (view, i);
3103 if (page_ready && EV_IS_DOCUMENT_ANNOTATIONS (view->document))
3104 show_annotation_windows (view, i);
3109 if (GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event)
3110 (* GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) (widget, event);
3116 ev_view_do_popup_menu (EvView *view,
3123 image = ev_view_get_image_at_location (view, x, y);
3125 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, image);
3129 link = ev_view_get_link_at_location (view, x, y);
3131 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
3135 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, NULL);
3141 ev_view_popup_menu (GtkWidget *widget)
3145 gtk_widget_get_pointer (widget, &x, &y);
3146 return ev_view_do_popup_menu (EV_VIEW (widget), x, y);
3150 get_link_area (EvView *view,
3156 GList *link_mapping;
3158 gint x_offset = 0, y_offset = 0;
3160 x += view->scroll_x;
3161 y += view->scroll_y;
3163 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3165 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
3166 ev_view_get_area_from_mapping (view, page,
3172 get_annot_area (EvView *view,
3175 EvAnnotation *annot,
3178 GList *annots_mapping;
3180 gint x_offset = 0, y_offset = 0;
3182 x += view->scroll_x;
3183 y += view->scroll_y;
3185 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3187 annots_mapping = ev_pixbuf_cache_get_annots_mapping (view->pixbuf_cache, page);
3188 ev_view_get_area_from_mapping (view, page,
3194 ev_view_query_tooltip (GtkWidget *widget,
3197 gboolean keyboard_tip,
3198 GtkTooltip *tooltip)
3200 EvView *view = EV_VIEW (widget);
3202 EvAnnotation *annot;
3205 annot = ev_view_get_annotation_at_location (view, x, y);
3206 if (annot && annot->contents) {
3207 GdkRectangle annot_area;
3209 get_annot_area (view, x, y, annot, &annot_area);
3210 gtk_tooltip_set_text (tooltip, annot->contents);
3211 gtk_tooltip_set_tip_area (tooltip, &annot_area);
3216 link = ev_view_get_link_at_location (view, x, y);
3220 text = tip_from_link (view, link);
3221 if (text && g_utf8_validate (text, -1, NULL)) {
3222 GdkRectangle link_area;
3224 get_link_area (view, x, y, link, &link_area);
3225 gtk_tooltip_set_text (tooltip, text);
3226 gtk_tooltip_set_tip_area (tooltip, &link_area);
3234 start_selection_for_event (EvView *view,
3235 GdkEventButton *event)
3237 clear_selection (view);
3239 view->selection_info.start.x = event->x + view->scroll_x;
3240 view->selection_info.start.y = event->y + view->scroll_y;
3242 switch (event->type) {
3243 case GDK_2BUTTON_PRESS:
3244 view->selection_info.style = EV_SELECTION_STYLE_WORD;
3246 case GDK_3BUTTON_PRESS:
3247 view->selection_info.style = EV_SELECTION_STYLE_LINE;
3250 view->selection_info.style = EV_SELECTION_STYLE_GLYPH;
3254 /* In case of WORD or LINE, compute selections now */
3255 compute_selections (view,
3256 view->selection_info.style,
3257 &(view->selection_info.start),
3258 &(view->selection_info.start));
3262 ev_view_button_press_event (GtkWidget *widget,
3263 GdkEventButton *event)
3265 EvView *view = EV_VIEW (widget);
3267 if (!view->document)
3270 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
3271 gtk_widget_grab_focus (widget);
3274 if (view->window_child_focus) {
3275 EvAnnotationWindow *window;
3276 EvAnnotation *annot;
3278 window = EV_ANNOTATION_WINDOW (view->window_child_focus->window);
3279 annot = ev_annotation_window_get_annotation (window);
3280 ev_annotation_window_ungrab_focus (window);
3281 ev_view_annotation_save (view, annot);
3282 view->window_child_focus = NULL;
3285 view->pressed_button = event->button;
3286 view->selection_info.in_drag = FALSE;
3288 if (view->scroll_info.autoscrolling)
3291 switch (event->button) {
3294 EvAnnotation *annot;
3297 if (EV_IS_SELECTION (view->document) && view->selection_info.selections) {
3298 if (event->type == GDK_3BUTTON_PRESS) {
3299 start_selection_for_event (view, event);
3300 } else if (location_in_selected_text (view,
3301 event->x + view->scroll_x,
3302 event->y + view->scroll_y)) {
3303 view->selection_info.in_drag = TRUE;
3305 start_selection_for_event (view, event);
3308 gtk_widget_queue_draw (widget);
3309 } else if ((annot = ev_view_get_annotation_at_location (view, event->x, event->y))) {
3310 ev_view_handle_annotation (view, annot, event->x, event->y);
3311 } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) {
3312 ev_view_remove_all (view);
3313 ev_view_handle_form_field (view, field, event->x, event->y);
3314 } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) &&
3315 (image = ev_view_get_image_at_location (view, event->x, event->y))) {
3316 if (view->image_dnd_info.image)
3317 g_object_unref (view->image_dnd_info.image);
3318 view->image_dnd_info.image = g_object_ref (image);
3319 view->image_dnd_info.in_drag = TRUE;
3321 view->image_dnd_info.start.x = event->x + view->scroll_x;
3322 view->image_dnd_info.start.y = event->y + view->scroll_y;
3324 ev_view_remove_all (view);
3326 if (EV_IS_SELECTION (view->document))
3327 start_selection_for_event (view, event);
3332 /* use root coordinates as reference point because
3333 * scrolling changes window relative coordinates */
3334 view->drag_info.start.x = event->x_root;
3335 view->drag_info.start.y = event->y_root;
3336 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
3337 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
3339 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
3343 view->scroll_info.start_y = event->y;
3344 return ev_view_do_popup_menu (view, event->x, event->y);
3351 ev_view_remove_all (EvView *view)
3353 GList *children, *child;
3355 children = gtk_container_get_children (GTK_CONTAINER (view));
3356 for (child = children; child && child->data; child = g_list_next (child)) {
3357 gtk_container_remove (GTK_CONTAINER (view),
3358 GTK_WIDGET (child->data));
3360 g_list_free (children);
3363 /*** Drag and Drop ***/
3365 ev_view_drag_data_get (GtkWidget *widget,
3366 GdkDragContext *context,
3367 GtkSelectionData *selection_data,
3371 EvView *view = EV_VIEW (widget);
3374 case TARGET_DND_TEXT:
3375 if (EV_IS_SELECTION (view->document) &&
3376 view->selection_info.selections) {
3379 text = get_selected_text (view);
3380 gtk_selection_data_set_text (selection_data,
3386 case TARGET_DND_IMAGE:
3387 if (view->image_dnd_info.image) {
3390 ev_document_doc_mutex_lock ();
3391 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3392 view->image_dnd_info.image);
3393 ev_document_doc_mutex_unlock ();
3395 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
3396 g_object_unref (pixbuf);
3399 case TARGET_DND_URI:
3400 if (view->image_dnd_info.image) {
3402 const gchar *tmp_uri;
3405 ev_document_doc_mutex_lock ();
3406 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3407 view->image_dnd_info.image);
3408 ev_document_doc_mutex_unlock ();
3410 tmp_uri = ev_image_save_tmp (view->image_dnd_info.image, pixbuf);
3411 g_object_unref (pixbuf);
3413 uris[0] = (gchar *)tmp_uri;
3415 gtk_selection_data_set_uris (selection_data, uris);
3421 ev_view_drag_motion (GtkWidget *widget,
3422 GdkDragContext *context,
3427 if (gtk_drag_get_source_widget (context) == widget)
3428 gdk_drag_status (context, 0, time);
3430 gdk_drag_status (context, context->suggested_action, time);
3436 selection_update_idle_cb (EvView *view)
3438 compute_selections (view,
3439 view->selection_info.style,
3440 &view->selection_info.start,
3442 view->selection_update_id = 0;
3447 selection_scroll_timeout_cb (EvView *view)
3449 gint x, y, shift = 0;
3450 GtkWidget *widget = GTK_WIDGET (view);
3452 gtk_widget_get_pointer (widget, &x, &y);
3454 if (y > widget->allocation.height) {
3455 shift = (y - widget->allocation.height) / 2;
3461 gtk_adjustment_set_value (view->vadjustment,
3462 CLAMP (view->vadjustment->value + shift,
3463 view->vadjustment->lower,
3464 view->vadjustment->upper -
3465 view->vadjustment->page_size));
3467 if (x > widget->allocation.width) {
3468 shift = (x - widget->allocation.width) / 2;
3474 gtk_adjustment_set_value (view->hadjustment,
3475 CLAMP (view->hadjustment->value + shift,
3476 view->hadjustment->lower,
3477 view->hadjustment->upper -
3478 view->hadjustment->page_size));
3484 ev_view_drag_update_momentum (EvView *view)
3487 if (!view->drag_info.in_drag)
3490 for (i = DRAG_HISTORY - 1; i > 0; i--) {
3491 view->drag_info.buffer[i].x = view->drag_info.buffer[i-1].x;
3492 view->drag_info.buffer[i].y = view->drag_info.buffer[i-1].y;
3495 /* Momentum is a moving average of 10ms granularity over
3496 * the last 100ms with each 10ms stored in buffer.
3499 view->drag_info.momentum.x = (view->drag_info.buffer[DRAG_HISTORY - 1].x - view->drag_info.buffer[0].x);
3500 view->drag_info.momentum.y = (view->drag_info.buffer[DRAG_HISTORY - 1].y - view->drag_info.buffer[0].y);
3506 ev_view_scroll_drag_release (EvView *view)
3508 gdouble dhadj_value, dvadj_value;
3509 gdouble oldhadjustment, oldvadjustment;
3511 view->drag_info.momentum.x /= 1.2;
3512 view->drag_info.momentum.y /= 1.2; /* Alter these constants to change "friction" */
3514 dhadj_value = view->hadjustment->page_size *
3515 (gdouble)view->drag_info.momentum.x / GTK_WIDGET (view)->allocation.width;
3516 dvadj_value = view->vadjustment->page_size *
3517 (gdouble)view->drag_info.momentum.y / GTK_WIDGET (view)->allocation.height;
3519 oldhadjustment = gtk_adjustment_get_value (view->hadjustment);
3520 oldvadjustment = gtk_adjustment_get_value (view->vadjustment);
3522 /* When we reach the edges, we need either to absorb some momentum and bounce by
3523 * multiplying it on -0.5 or stop scrolling by setting momentum to 0. */
3524 if (((oldhadjustment + dhadj_value) > (view->hadjustment->upper - view->hadjustment->page_size)) ||
3525 ((oldhadjustment + dhadj_value) < 0))
3526 view->drag_info.momentum.x = 0;
3527 if (((oldvadjustment + dvadj_value) > (view->vadjustment->upper - view->vadjustment->page_size)) ||
3528 ((oldvadjustment + dvadj_value) < 0))
3529 view->drag_info.momentum.y = 0;
3531 gtk_adjustment_set_value (view->hadjustment,
3532 MIN (oldhadjustment + dhadj_value,
3533 view->hadjustment->upper - view->hadjustment->page_size));
3534 gtk_adjustment_set_value (view->vadjustment,
3535 MIN (oldvadjustment + dvadj_value,
3536 view->vadjustment->upper - view->vadjustment->page_size));
3538 if (((view->drag_info.momentum.x < 1) && (view->drag_info.momentum.x > -1)) &&
3539 ((view->drag_info.momentum.y < 1) && (view->drag_info.momentum.y > -1)))
3546 ev_view_motion_notify_event (GtkWidget *widget,
3547 GdkEventMotion *event)
3549 EvView *view = EV_VIEW (widget);
3552 if (!view->document)
3556 if (event->is_hint || event->window != view->layout.bin_window) {
3557 gtk_widget_get_pointer (widget, &x, &y);
3563 if (view->scroll_info.autoscrolling) {
3564 view->scroll_info.last_y = y;
3568 if (view->selection_info.in_drag) {
3569 if (gtk_drag_check_threshold (widget,
3570 view->selection_info.start.x,
3571 view->selection_info.start.y,
3573 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3575 gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT);
3577 gtk_drag_begin (widget, target_list,
3579 1, (GdkEvent *)event);
3581 view->selection_info.in_drag = FALSE;
3583 gtk_target_list_unref (target_list);
3587 } else if (view->image_dnd_info.in_drag) {
3588 if (gtk_drag_check_threshold (widget,
3589 view->selection_info.start.x,
3590 view->selection_info.start.y,
3592 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3594 gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI);
3595 gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE);
3597 gtk_drag_begin (widget, target_list,
3599 1, (GdkEvent *)event);
3601 view->image_dnd_info.in_drag = FALSE;
3603 gtk_target_list_unref (target_list);
3609 switch (view->pressed_button) {
3611 /* For the Evince 0.4.x release, we limit selection to un-rotated
3614 if (view->rotation != 0)
3617 /* Schedule timeout to scroll during selection and additionally
3618 * scroll once to allow arbitrary speed. */
3619 if (!view->selection_scroll_id)
3620 view->selection_scroll_id = g_timeout_add (SCROLL_TIME,
3621 (GSourceFunc)selection_scroll_timeout_cb,
3624 selection_scroll_timeout_cb (view);
3626 view->selection_info.in_selection = TRUE;
3627 view->motion.x = x + view->scroll_x;
3628 view->motion.y = y + view->scroll_y;
3630 /* Queue an idle to handle the motion. We do this because
3631 * handling any selection events in the motion could be slower
3632 * than new motion events reach us. We always put it in the
3633 * idle to make sure we catch up and don't visibly lag the
3635 if (!view->selection_update_id)
3636 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
3640 if (!view->drag_info.in_drag) {
3644 start = gtk_drag_check_threshold (widget,
3645 view->drag_info.start.x,
3646 view->drag_info.start.y,
3649 view->drag_info.in_drag = start;
3650 view->drag_info.drag_timeout_id = g_timeout_add (10,
3651 (GSourceFunc)ev_view_drag_update_momentum, view);
3652 /* Set 100 to choose how long it takes to build up momentum */
3653 /* Clear out previous momentum info: */
3654 for (i = 0; i < DRAG_HISTORY; i++) {
3655 view->drag_info.buffer[i].x = event->x;
3656 view->drag_info.buffer[i].y = event->y;
3658 view->drag_info.momentum.x = 0;
3659 view->drag_info.momentum.y = 0;
3662 if (view->drag_info.in_drag) {
3664 gdouble dhadj_value, dvadj_value;
3666 view->drag_info.buffer[0].x = event->x;
3667 view->drag_info.buffer[0].y = event->y;
3669 dx = event->x_root - view->drag_info.start.x;
3670 dy = event->y_root - view->drag_info.start.y;
3672 dhadj_value = view->hadjustment->page_size *
3673 (gdouble)dx / widget->allocation.width;
3674 dvadj_value = view->vadjustment->page_size *
3675 (gdouble)dy / widget->allocation.height;
3677 /* clamp scrolling to visible area */
3678 gtk_adjustment_set_value (view->hadjustment,
3679 MIN(view->drag_info.hadj - dhadj_value,
3680 view->hadjustment->upper -
3681 view->hadjustment->page_size));
3682 gtk_adjustment_set_value (view->vadjustment,
3683 MIN(view->drag_info.vadj - dvadj_value,
3684 view->vadjustment->upper -
3685 view->vadjustment->page_size));
3692 ev_view_handle_cursor_over_xy (view, x, y);
3699 ev_view_button_release_event (GtkWidget *widget,
3700 GdkEventButton *event)
3702 EvView *view = EV_VIEW (widget);
3703 EvLink *link = NULL;
3705 view->image_dnd_info.in_drag = FALSE;
3707 if (view->scroll_info.autoscrolling) {
3708 ev_view_autoscroll_stop (view);
3709 view->pressed_button = -1;
3714 if (view->drag_info.in_drag) {
3715 view->drag_info.release_timeout_id =
3717 (GSourceFunc)ev_view_scroll_drag_release, view);
3720 if (view->document && !view->drag_info.in_drag && view->pressed_button != 3) {
3721 link = ev_view_get_link_at_location (view, event->x, event->y);
3724 view->drag_info.in_drag = FALSE;
3726 if (view->pressed_button == 2) {
3727 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3730 view->pressed_button = -1;
3732 if (view->selection_scroll_id) {
3733 g_source_remove (view->selection_scroll_id);
3734 view->selection_scroll_id = 0;
3736 if (view->selection_update_id) {
3737 g_source_remove (view->selection_update_id);
3738 view->selection_update_id = 0;
3741 if (view->selection_info.selections) {
3742 clear_link_selected (view);
3743 ev_view_update_primary_selection (view);
3745 if (view->selection_info.in_drag) {
3746 clear_selection (view);
3747 gtk_widget_queue_draw (widget);
3750 view->selection_info.in_drag = FALSE;
3752 if (event->button == 2) {
3753 EvLinkAction *action;
3754 EvLinkActionType type;
3756 action = ev_link_get_action (link);
3760 type = ev_link_action_get_action_type (action);
3761 if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
3762 g_signal_emit (view,
3763 signals[SIGNAL_EXTERNAL_LINK],
3767 ev_view_handle_link (view, link);
3769 } else if (view->presentation) {
3770 switch (event->button) {
3772 ev_view_next_page (view);
3775 ev_view_previous_page (view);
3784 /* Cut and paste from gtkwindow.c */
3786 send_focus_change (GtkWidget *widget,
3789 GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE);
3791 g_object_ref (widget);
3794 GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
3796 GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
3798 fevent->focus_change.type = GDK_FOCUS_CHANGE;
3799 fevent->focus_change.window = g_object_ref (widget->window);
3800 fevent->focus_change.in = in;
3802 gtk_widget_event (widget, fevent);
3804 g_object_notify (G_OBJECT (widget), "has-focus");
3806 g_object_unref (widget);
3807 gdk_event_free (fevent);
3811 ev_view_goto_window_hide (EvView *view)
3813 /* send focus-in event */
3814 send_focus_change (view->goto_entry, FALSE);
3815 gtk_widget_hide (view->goto_window);
3816 gtk_entry_set_text (GTK_ENTRY (view->goto_entry), "");
3820 ev_view_goto_window_delete_event (GtkWidget *widget,
3824 ev_view_goto_window_hide (view);
3830 key_is_numeric (guint keyval)
3832 return ((keyval >= GDK_0 && keyval <= GDK_9) ||
3833 (keyval >= GDK_KP_0 && keyval <= GDK_KP_9));
3837 ev_view_goto_window_key_press_event (GtkWidget *widget,
3841 switch (event->keyval) {
3845 case GDK_ISO_Left_Tab:
3846 ev_view_goto_window_hide (view);
3855 if (!key_is_numeric (event->keyval))
3863 ev_view_goto_window_button_press_event (GtkWidget *widget,
3864 GdkEventButton *event,
3867 ev_view_goto_window_hide (view);
3873 ev_view_goto_entry_activate (GtkEntry *entry,
3879 text = gtk_entry_get_text (entry);
3880 page = atoi (text) - 1;
3882 ev_view_goto_window_hide (view);
3884 if (page >= 0 && page < ev_document_get_n_pages (view->document))
3885 ev_page_cache_set_current_page (view->page_cache, page);
3889 ev_view_goto_window_create (EvView *view)
3891 GtkWidget *frame, *hbox, *toplevel, *label;
3893 toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view));
3895 if (view->goto_window) {
3896 if (GTK_WINDOW (toplevel)->group)
3897 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
3898 GTK_WINDOW (view->goto_window));
3899 else if (GTK_WINDOW (view->goto_window)->group)
3900 gtk_window_group_remove_window (GTK_WINDOW (view->goto_window)->group,
3901 GTK_WINDOW (view->goto_window));
3905 view->goto_window = gtk_window_new (GTK_WINDOW_POPUP);
3906 gtk_window_set_screen (GTK_WINDOW (view->goto_window),
3907 gtk_widget_get_screen (GTK_WIDGET (view)));
3909 if (GTK_WINDOW (toplevel)->group)
3910 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
3911 GTK_WINDOW (view->goto_window));
3913 gtk_window_set_modal (GTK_WINDOW (view->goto_window), TRUE);
3915 g_signal_connect (view->goto_window, "delete_event",
3916 G_CALLBACK (ev_view_goto_window_delete_event),
3918 g_signal_connect (view->goto_window, "key_press_event",
3919 G_CALLBACK (ev_view_goto_window_key_press_event),
3921 g_signal_connect (view->goto_window, "button_press_event",
3922 G_CALLBACK (ev_view_goto_window_button_press_event),
3925 frame = gtk_frame_new (NULL);
3926 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
3927 gtk_container_add (GTK_CONTAINER (view->goto_window), frame);
3928 gtk_widget_show (frame);
3930 hbox = gtk_hbox_new (FALSE, 0);
3931 gtk_container_set_border_width (GTK_CONTAINER (hbox), 3);
3932 gtk_container_add (GTK_CONTAINER (frame), hbox);
3933 gtk_widget_show (hbox);
3935 label = gtk_label_new(_("Jump to page:"));
3936 gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 3);
3937 gtk_widget_show (label);
3938 gtk_widget_realize (label);
3940 view->goto_entry = gtk_entry_new ();
3941 g_signal_connect (view->goto_entry, "activate",
3942 G_CALLBACK (ev_view_goto_entry_activate),
3944 gtk_box_pack_start (GTK_BOX (hbox), view->goto_entry, TRUE, TRUE, 0);
3945 gtk_widget_show (view->goto_entry);
3946 gtk_widget_realize (view->goto_entry);
3950 ev_view_goto_entry_grab_focus (EvView *view)
3952 GtkWidgetClass *entry_parent_class;
3954 entry_parent_class = g_type_class_peek_parent (GTK_ENTRY_GET_CLASS (view->goto_entry));
3955 (entry_parent_class->grab_focus) (view->goto_entry);
3957 send_focus_change (view->goto_entry, TRUE);
3961 ev_view_goto_window_send_key_event (EvView *view,
3964 GdkEventKey *new_event;
3967 /* Move goto window off screen */
3968 screen = gtk_widget_get_screen (GTK_WIDGET (view));
3969 gtk_window_move (GTK_WINDOW (view->goto_window),
3970 gdk_screen_get_width (screen) + 1,
3971 gdk_screen_get_height (screen) + 1);
3972 gtk_widget_show (view->goto_window);
3974 new_event = (GdkEventKey *) gdk_event_copy (event);
3975 g_object_unref (new_event->window);
3976 new_event->window = g_object_ref (view->goto_window->window);
3977 gtk_widget_realize (view->goto_window);
3979 gtk_widget_event (view->goto_window, (GdkEvent *)new_event);
3980 gdk_event_free ((GdkEvent *)new_event);
3981 gtk_widget_hide (view->goto_window);
3985 ev_view_key_press_event (GtkWidget *widget,
3988 EvView *view = EV_VIEW (widget);
3989 EvPresentationState current;
3991 if (!view->document)
3994 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
3995 /* Forward key events to current focused window child */
3996 if (view->window_child_focus) {
3997 GdkEventKey *new_event;
4000 new_event = (GdkEventKey *) gdk_event_copy ((GdkEvent *)event);
4001 g_object_unref (new_event->window);
4002 new_event->window = g_object_ref (view->window_child_focus->window->window);
4003 gtk_widget_realize (view->window_child_focus->window);
4004 handled = gtk_widget_event (view->window_child_focus->window, (GdkEvent *)new_event);
4005 gdk_event_free ((GdkEvent *)new_event);
4013 if (!view->presentation ||
4014 view->presentation_state == EV_PRESENTATION_END)
4015 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
4018 current = view->presentation_state;
4020 switch (event->keyval) {
4024 case GDK_KP_Decimal:
4025 view->presentation_state =
4026 (view->presentation_state == EV_PRESENTATION_BLACK) ?
4027 EV_PRESENTATION_NORMAL : EV_PRESENTATION_BLACK;
4031 view->presentation_state =
4032 (view->presentation_state == EV_PRESENTATION_WHITE) ?
4033 EV_PRESENTATION_NORMAL : EV_PRESENTATION_WHITE;
4036 if (view->presentation_state == EV_PRESENTATION_BLACK ||
4037 view->presentation_state == EV_PRESENTATION_WHITE) {
4038 view->presentation_state = EV_PRESENTATION_NORMAL;
4042 if (current == view->presentation_state) {
4043 if (ev_document_get_n_pages (view->document) > 1 &&
4044 key_is_numeric (event->keyval)) {
4047 ev_view_goto_window_create (view);
4048 ev_view_goto_window_send_key_event (view, (GdkEvent *)event);
4049 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4050 gtk_window_move (GTK_WINDOW (view->goto_window), x, y);
4051 gtk_widget_show (view->goto_window);
4052 ev_view_goto_entry_grab_focus (view);
4057 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
4060 switch (view->presentation_state) {
4061 case EV_PRESENTATION_NORMAL:
4062 case EV_PRESENTATION_BLACK:
4063 gdk_window_set_background (view->layout.bin_window,
4064 &widget->style->black);
4066 case EV_PRESENTATION_WHITE:
4067 gdk_window_set_background (view->layout.bin_window,
4068 &widget->style->white);
4071 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
4074 gtk_widget_queue_draw (widget);
4079 ev_view_focus_in (GtkWidget *widget,
4080 GdkEventFocus *event)
4082 if (EV_VIEW (widget)->pixbuf_cache)
4083 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4084 gtk_widget_queue_draw (widget);
4090 ev_view_focus_out (GtkWidget *widget,
4091 GdkEventFocus *event)
4093 if (EV_VIEW (widget)->goto_window)
4094 ev_view_goto_window_hide (EV_VIEW (widget));
4096 if (EV_VIEW (widget)->pixbuf_cache)
4097 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4098 gtk_widget_queue_draw (widget);
4104 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
4106 EvView *view = EV_VIEW (widget);
4108 if (view->cursor != EV_VIEW_CURSOR_NORMAL)
4109 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
4115 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
4117 EvView *view = EV_VIEW (widget);
4119 ev_view_handle_cursor_over_xy (view, event->x, event->y);
4125 ev_view_style_set (GtkWidget *widget,
4126 GtkStyle *old_style)
4128 if (EV_VIEW (widget)->pixbuf_cache)
4129 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4131 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
4137 ev_gdk_color_to_rgb (const GdkColor *color)
4140 result = (0xff0000 | (color->red & 0xff00));
4142 result |= ((color->green & 0xff00) | (color->blue >> 8));
4147 draw_rubberband (GtkWidget *widget, GdkWindow *window,
4148 const GdkRectangle *rect, guchar alpha)
4152 GdkColor *fill_color_gdk;
4155 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
4156 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
4158 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
4159 rect->width, rect->height);
4160 gdk_pixbuf_fill (pixbuf, fill_color);
4162 gdk_draw_pixbuf (window, NULL, pixbuf,
4164 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
4165 rect->width, rect->height,
4166 GDK_RGB_DITHER_NONE,
4169 g_object_unref (pixbuf);
4171 gc = gdk_gc_new (window);
4172 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
4173 gdk_draw_rectangle (window, gc, FALSE,
4174 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
4177 g_object_unref (gc);
4179 gdk_color_free (fill_color_gdk);
4184 highlight_find_results (EvView *view, int page)
4186 gint i, n_results = 0;
4188 n_results = ev_view_find_get_n_results (view, page);
4190 for (i = 0; i < n_results; i++) {
4191 EvRectangle *rectangle;
4192 GdkRectangle view_rectangle;
4195 if (i == view->find_result && page == view->current_page) {
4201 rectangle = ev_view_find_get_result (view, page, i);
4202 doc_rect_to_view_rect (view, page, rectangle, &view_rectangle);
4203 draw_rubberband (GTK_WIDGET (view), view->layout.bin_window,
4204 &view_rectangle, alpha);
4209 draw_loading_text (EvView *view,
4210 GdkRectangle *page_area,
4211 GdkRectangle *expose_area)
4216 if (!view->loading_text) {
4217 const gchar *loading_text = _("Loading...");
4218 PangoLayout *layout;
4219 PangoFontDescription *font_desc;
4220 PangoRectangle logical_rect;
4224 ev_document_fc_mutex_lock ();
4226 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
4228 font_desc = pango_font_description_new ();
4230 /* We set the font to be 10 points, get the size, and scale appropriately */
4231 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
4232 pango_layout_set_font_description (layout, font_desc);
4233 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
4235 target_width = MAX (page_area->width / 2, 1);
4236 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
4237 pango_font_description_set_size (font_desc, (int)real_scale);
4238 pango_layout_set_font_description (layout, font_desc);
4239 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
4241 view->loading_text = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
4243 logical_rect.height);
4244 cr = cairo_create (view->loading_text);
4245 cairo_set_source_rgb (cr,
4249 pango_cairo_show_layout (cr, layout);
4252 pango_font_description_free (font_desc);
4253 g_object_unref (layout);
4255 ev_document_fc_mutex_unlock ();
4258 width = (page_area->width - cairo_image_surface_get_width (view->loading_text)) / 2;
4259 height = (page_area->height - cairo_image_surface_get_height (view->loading_text)) / 2;
4261 cr = gdk_cairo_create (view->layout.bin_window);
4262 cairo_translate (cr,
4263 page_area->x + width,
4264 page_area->y + height);
4265 cairo_set_source_surface (cr, view->loading_text, 0, 0);
4271 draw_one_page (EvView *view,
4274 GdkRectangle *page_area,
4276 GdkRectangle *expose_area,
4277 gboolean *page_ready)
4279 GdkRectangle overlap;
4280 GdkRectangle real_page_area;
4282 g_assert (view->document);
4284 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
4287 /* Render the document itself */
4288 real_page_area = *page_area;
4290 real_page_area.x += border->left;
4291 real_page_area.y += border->top;
4292 real_page_area.width -= (border->left + border->right);
4293 real_page_area.height -= (border->top + border->bottom);
4296 if (!view->presentation) {
4299 current_page = ev_page_cache_get_current_page (view->page_cache);
4300 ev_document_misc_paint_one_page (view->layout.bin_window,
4303 page == current_page);
4306 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
4308 gint page_width, page_height;
4309 cairo_surface_t *page_surface = NULL;
4310 gint selection_width, selection_height;
4311 cairo_surface_t *selection_surface = NULL;
4313 page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page);
4315 if (!page_surface) {
4316 if (!view->presentation) {
4317 draw_loading_text (view,
4322 *page_ready = FALSE;
4327 ev_view_get_page_size (view, page, &width, &height);
4329 page_width = cairo_image_surface_get_width (page_surface);
4330 page_height = cairo_image_surface_get_height (page_surface);
4333 cairo_translate (cr, overlap.x, overlap.y);
4335 if (width != page_width || height != page_height) {
4336 cairo_pattern_set_filter (cairo_get_source (cr),
4339 (gdouble)width / page_width,
4340 (gdouble)height / page_height);
4343 cairo_surface_set_device_offset (page_surface,
4344 overlap.x - real_page_area.x,
4345 overlap.y - real_page_area.y);
4346 cairo_set_source_surface (cr, page_surface, 0, 0);
4350 /* Get the selection pixbuf iff we have something to draw */
4351 if (find_selection_for_page (view, page) &&
4352 view->selection_mode == EV_VIEW_SELECTION_TEXT) {
4354 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
4360 if (!selection_surface) {
4364 selection_width = cairo_image_surface_get_width (selection_surface);
4365 selection_height = cairo_image_surface_get_height (selection_surface);
4368 cairo_translate (cr, overlap.x, overlap.y);
4370 if (width != selection_width || height != selection_height) {
4371 cairo_pattern_set_filter (cairo_get_source (cr),
4374 (gdouble)width / selection_width,
4375 (gdouble)height / selection_height);
4378 cairo_surface_set_device_offset (selection_surface,
4379 overlap.x - real_page_area.x,
4380 overlap.y - real_page_area.y);
4381 cairo_set_source_surface (cr, selection_surface, 0, 0);
4387 /*** GObject functions ***/
4390 ev_view_finalize (GObject *object)
4392 EvView *view = EV_VIEW (object);
4394 clear_selection (view);
4395 clear_link_selected (view);
4397 if (view->image_dnd_info.image)
4398 g_object_unref (view->image_dnd_info.image);
4399 view->image_dnd_info.image = NULL;
4401 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
4405 ev_view_destroy (GtkObject *object)
4407 EvView *view = EV_VIEW (object);
4409 if (view->document) {
4410 g_object_unref (view->document);
4411 view->document = NULL;
4414 if (view->pixbuf_cache) {
4415 g_object_unref (view->pixbuf_cache);
4416 view->pixbuf_cache = NULL;
4419 if (view->goto_window) {
4420 gtk_widget_destroy (view->goto_window);
4421 view->goto_window = NULL;
4422 view->goto_entry = NULL;
4425 ev_view_window_children_free (view);
4427 if (view->selection_scroll_id) {
4428 g_source_remove (view->selection_scroll_id);
4429 view->selection_scroll_id = 0;
4432 if (view->selection_update_id) {
4433 g_source_remove (view->selection_update_id);
4434 view->selection_update_id = 0;
4437 if (view->loading_text) {
4438 cairo_surface_destroy (view->loading_text);
4439 view->loading_text = NULL;
4442 if (view->scroll_info.timeout_id) {
4443 g_source_remove (view->scroll_info.timeout_id);
4444 view->scroll_info.timeout_id = 0;
4447 if (view->drag_info.drag_timeout_id) {
4448 g_source_remove (view->drag_info.drag_timeout_id);
4449 view->drag_info.drag_timeout_id = 0;
4452 if (view->drag_info.release_timeout_id) {
4453 g_source_remove (view->drag_info.release_timeout_id);
4454 view->drag_info.release_timeout_id = 0;
4457 ev_view_presentation_transition_stop (view);
4459 ev_view_set_scroll_adjustments (GTK_LAYOUT (view), NULL, NULL);
4461 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
4465 ev_view_set_property (GObject *object,
4467 const GValue *value,
4470 EvView *view = EV_VIEW (object);
4473 case PROP_CONTINUOUS:
4474 ev_view_set_continuous (view, g_value_get_boolean (value));
4476 case PROP_DUAL_PAGE:
4477 ev_view_set_dual_page (view, g_value_get_boolean (value));
4479 case PROP_FULLSCREEN:
4480 ev_view_set_fullscreen (view, g_value_get_boolean (value));
4482 case PROP_PRESENTATION:
4483 ev_view_set_presentation (view, g_value_get_boolean (value));
4485 case PROP_SIZING_MODE:
4486 ev_view_set_sizing_mode (view, g_value_get_enum (value));
4489 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
4492 ev_view_set_rotation (view, g_value_get_int (value));
4495 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
4500 ev_view_get_accessible (GtkWidget *widget)
4502 static gboolean first_time = TRUE;
4505 AtkObjectFactory *factory;
4506 AtkRegistry *registry;
4508 GType derived_atk_type;
4511 * Figure out whether accessibility is enabled by looking at the
4512 * type of the accessible object which would be created for
4513 * the parent type of EvView.
4515 derived_type = g_type_parent (EV_TYPE_VIEW);
4517 registry = atk_get_default_registry ();
4518 factory = atk_registry_get_factory (registry,
4520 derived_atk_type = atk_object_factory_get_accessible_type (factory);
4521 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
4522 atk_registry_set_factory_type (registry,
4524 ev_view_accessible_factory_get_type ());
4527 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
4531 ev_view_get_property (GObject *object,
4536 EvView *view = EV_VIEW (object);
4539 case PROP_CONTINUOUS:
4540 g_value_set_boolean (value, view->continuous);
4542 case PROP_DUAL_PAGE:
4543 g_value_set_boolean (value, view->dual_page);
4545 case PROP_FULLSCREEN:
4546 g_value_set_boolean (value, view->fullscreen);
4548 case PROP_PRESENTATION:
4549 g_value_set_boolean (value, view->presentation);
4551 case PROP_SIZING_MODE:
4552 g_value_set_enum (value, view->sizing_mode);
4555 g_value_set_double (value, view->scale);
4558 g_value_set_int (value, view->rotation);
4560 case PROP_HAS_SELECTION:
4561 g_value_set_boolean (value,
4562 view->selection_info.selections != NULL);
4565 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
4570 ev_view_class_init (EvViewClass *class)
4572 GObjectClass *object_class = G_OBJECT_CLASS (class);
4573 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
4574 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
4575 GtkLayoutClass *layout_class = GTK_LAYOUT_CLASS (class);
4576 GtkBindingSet *binding_set;
4578 object_class->finalize = ev_view_finalize;
4579 object_class->set_property = ev_view_set_property;
4580 object_class->get_property = ev_view_get_property;
4582 widget_class->expose_event = ev_view_expose_event;
4583 widget_class->button_press_event = ev_view_button_press_event;
4584 widget_class->motion_notify_event = ev_view_motion_notify_event;
4585 widget_class->button_release_event = ev_view_button_release_event;
4586 widget_class->key_press_event = ev_view_key_press_event;
4587 widget_class->focus_in_event = ev_view_focus_in;
4588 widget_class->focus_out_event = ev_view_focus_out;
4589 widget_class->get_accessible = ev_view_get_accessible;
4590 widget_class->size_request = ev_view_size_request;
4591 widget_class->size_allocate = ev_view_size_allocate;
4592 widget_class->realize = ev_view_realize;
4593 widget_class->scroll_event = ev_view_scroll_event;
4594 widget_class->enter_notify_event = ev_view_enter_notify_event;
4595 widget_class->leave_notify_event = ev_view_leave_notify_event;
4596 widget_class->style_set = ev_view_style_set;
4597 widget_class->drag_data_get = ev_view_drag_data_get;
4598 widget_class->drag_motion = ev_view_drag_motion;
4599 widget_class->popup_menu = ev_view_popup_menu;
4600 widget_class->query_tooltip = ev_view_query_tooltip;
4602 gtk_object_class->destroy = ev_view_destroy;
4604 layout_class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
4606 class->binding_activated = ev_view_scroll;
4608 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
4609 G_TYPE_FROM_CLASS (object_class),
4610 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4611 G_STRUCT_OFFSET (EvViewClass, binding_activated),
4613 ev_view_marshal_VOID__ENUM_BOOLEAN,
4615 GTK_TYPE_SCROLL_TYPE,
4617 signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link",
4618 G_TYPE_FROM_CLASS (object_class),
4619 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4620 G_STRUCT_OFFSET (EvViewClass, handle_link),
4622 g_cclosure_marshal_VOID__OBJECT,
4625 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
4626 G_TYPE_FROM_CLASS (object_class),
4627 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4628 G_STRUCT_OFFSET (EvViewClass, external_link),
4630 g_cclosure_marshal_VOID__OBJECT,
4633 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
4634 G_TYPE_FROM_CLASS (object_class),
4635 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4636 G_STRUCT_OFFSET (EvViewClass, popup_menu),
4638 g_cclosure_marshal_VOID__OBJECT,
4643 g_object_class_install_property (object_class,
4645 g_param_spec_boolean ("continuous",
4647 "Continuous scrolling mode",
4649 G_PARAM_READWRITE));
4651 g_object_class_install_property (object_class,
4653 g_param_spec_boolean ("dual-page",
4655 "Two pages visible at once",
4657 G_PARAM_READWRITE));
4658 g_object_class_install_property (object_class,
4660 g_param_spec_boolean ("fullscreen",
4662 "Draw page in a fullscreen fashion",
4664 G_PARAM_READWRITE));
4665 g_object_class_install_property (object_class,
4667 g_param_spec_boolean ("presentation",
4669 "Draw page in presentation mode",
4671 G_PARAM_READWRITE));
4673 g_object_class_install_property (object_class,
4675 g_param_spec_enum ("sizing-mode",
4678 EV_TYPE_SIZING_MODE,
4679 EV_SIZING_FIT_WIDTH,
4680 G_PARAM_READWRITE));
4682 g_object_class_install_property (object_class,
4684 g_param_spec_double ("zoom",
4690 G_PARAM_READWRITE));
4691 g_object_class_install_property (object_class,
4693 g_param_spec_double ("rotation",
4699 G_PARAM_READWRITE));
4700 g_object_class_install_property (object_class,
4702 g_param_spec_boolean ("has-selection",
4704 "The view has selections",
4708 binding_set = gtk_binding_set_by_class (class);
4710 add_scroll_binding_keypad (binding_set, GDK_Left, 0, GTK_SCROLL_STEP_BACKWARD, TRUE);
4711 add_scroll_binding_keypad (binding_set, GDK_Right, 0, GTK_SCROLL_STEP_FORWARD, TRUE);
4712 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, TRUE);
4713 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, TRUE);
4714 add_scroll_binding_keypad (binding_set, GDK_Up, 0, GTK_SCROLL_STEP_BACKWARD, FALSE);
4715 add_scroll_binding_keypad (binding_set, GDK_Down, 0, GTK_SCROLL_STEP_FORWARD, FALSE);
4716 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, FALSE);
4717 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, FALSE);
4718 gtk_binding_entry_add_signal (binding_set, GDK_H, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4719 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE);
4720 gtk_binding_entry_add_signal (binding_set, GDK_J, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4721 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE);
4722 gtk_binding_entry_add_signal (binding_set, GDK_K, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4723 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE);
4724 gtk_binding_entry_add_signal (binding_set, GDK_L, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4725 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE);
4730 ev_view_init (EvView *view)
4732 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
4734 view->start_page = -1;
4735 view->end_page = -1;
4738 view->current_page = 0;
4739 view->pressed_button = -1;
4740 view->cursor = EV_VIEW_CURSOR_NORMAL;
4741 view->drag_info.in_drag = FALSE;
4742 view->scroll_info.autoscrolling = FALSE;
4743 view->selection_info.selections = NULL;
4744 view->selection_info.in_selection = FALSE;
4745 view->selection_info.in_drag = FALSE;
4746 view->selection_mode = EV_VIEW_SELECTION_TEXT;
4747 view->continuous = TRUE;
4748 view->dual_page = FALSE;
4749 view->presentation = FALSE;
4750 view->presentation_state = EV_PRESENTATION_NORMAL;
4751 view->fullscreen = FALSE;
4752 view->sizing_mode = EV_SIZING_FIT_WIDTH;
4753 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4754 view->jump_to_find_result = TRUE;
4755 view->highlight_find_results = FALSE;
4757 gtk_layout_set_hadjustment (GTK_LAYOUT (view), NULL);
4758 gtk_layout_set_vadjustment (GTK_LAYOUT (view), NULL);
4764 ev_view_change_page (EvView *view,
4766 gboolean start_transition)
4770 view->current_page = new_page;
4771 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4773 if (view->presentation && start_transition)
4774 ev_view_presentation_transition_start (view);
4776 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4777 ev_view_handle_cursor_over_xy (view, x, y);
4779 gtk_widget_queue_resize (GTK_WIDGET (view));
4783 ev_view_transition_animation_finish (EvTransitionAnimation *animation,
4786 g_object_unref (view->animation);
4787 view->animation = NULL;
4788 ev_view_change_page (view, view->current_page, TRUE);
4792 * ev_view_transition_animation_cancel:
4793 * @animation: Animation to finish
4796 * Does almost the same as cancel, but without scheduling the transition.
4800 ev_view_transition_animation_cancel (EvTransitionAnimation *animation,
4803 g_object_unref (view->animation);
4804 view->animation = NULL;
4805 ev_view_change_page (view, view->current_page, FALSE);
4809 ev_view_transition_animation_frame (EvTransitionAnimation *animation,
4813 gtk_widget_queue_draw (GTK_WIDGET (view));
4817 ev_view_presentation_animation_start (EvView *view,
4820 EvTransitionEffect *effect = NULL;
4821 cairo_surface_t *surface;
4823 if (EV_IS_DOCUMENT_TRANSITION (view->document))
4824 effect = ev_document_transition_get_effect (EV_DOCUMENT_TRANSITION (view->document),
4825 view->current_page);
4829 view->animation = ev_transition_animation_new (effect);
4831 surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page);
4832 ev_transition_animation_set_origin_surface (view->animation, surface);
4833 surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, new_page);
4835 ev_transition_animation_set_dest_surface (view->animation, surface);
4837 g_signal_connect (view->animation, "frame",
4838 G_CALLBACK (ev_view_transition_animation_frame), view);
4839 g_signal_connect (view->animation, "finished",
4840 G_CALLBACK (ev_view_transition_animation_finish), view);
4844 job_finished_cb (EvPixbufCache *pixbuf_cache,
4848 if (view->animation) {
4849 cairo_surface_t *surface;
4851 surface = ev_pixbuf_cache_get_surface (pixbuf_cache, view->current_page);
4852 ev_transition_animation_set_dest_surface (view->animation, surface);
4856 gdk_window_invalidate_region (view->layout.bin_window,
4859 gtk_widget_queue_draw (GTK_WIDGET (view));
4864 page_changed_cb (EvPageCache *page_cache,
4868 if (view->current_page != new_page) {
4869 if (view->presentation)
4870 ev_view_presentation_animation_start (view, new_page);
4872 ev_view_change_page (view, new_page, TRUE);
4874 gtk_widget_queue_draw (GTK_WIDGET (view));
4877 view->find_result = 0;
4881 on_adjustment_value_changed (GtkAdjustment *adjustment,
4886 GList *children, *l;
4888 if (! GTK_WIDGET_REALIZED (view))
4891 if (view->hadjustment) {
4892 dx = view->scroll_x - (int) view->hadjustment->value;
4893 view->scroll_x = (int) view->hadjustment->value;
4898 if (view->vadjustment) {
4899 dy = view->scroll_y - (int) view->vadjustment->value;
4900 view->scroll_y = (int) view->vadjustment->value;
4905 children = gtk_container_get_children (GTK_CONTAINER (view));
4906 for (l = children; l && l->data; l = g_list_next (l)) {
4907 gint child_x, child_y;
4908 GtkWidget *child = (GtkWidget *)l->data;
4910 gtk_container_child_get (GTK_CONTAINER (view),
4915 gtk_layout_move (GTK_LAYOUT (view), child, child_x + dx, child_y + dy);
4917 g_list_free (children);
4919 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
4920 EvViewWindowChild *child;
4922 child = (EvViewWindowChild *)l->data;
4924 ev_view_window_child_move (view, child, child->x + dx, child->y + dy);
4927 if (view->pending_resize)
4928 gtk_widget_queue_draw (GTK_WIDGET (view));
4930 gdk_window_scroll (view->layout.bin_window, dx, dy);
4932 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4933 ev_view_handle_cursor_over_xy (view, x, y);
4936 view_update_range_and_current_page (view);
4944 view = g_object_new (EV_TYPE_VIEW, NULL);
4950 setup_caches (EvView *view)
4952 view->page_cache = ev_page_cache_get (view->document);
4953 view->height_to_page_cache = ev_view_get_height_to_page_cache (view);
4954 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
4955 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
4956 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
4957 page_changed_cb (view->page_cache,
4958 ev_page_cache_get_current_page (view->page_cache),
4963 clear_caches (EvView *view)
4965 if (view->pixbuf_cache) {
4966 g_object_unref (view->pixbuf_cache);
4967 view->pixbuf_cache = NULL;
4970 if (view->page_cache) {
4971 view->page_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_set_document (EvView *view,
5058 EvDocument *document)
5060 g_return_if_fail (EV_IS_VIEW (view));
5062 view->loading = FALSE;
5064 if (document != view->document) {
5065 clear_caches (view);
5067 if (view->document) {
5068 g_object_unref (view->document);
5069 view->page_cache = NULL;
5072 view->document = document;
5073 view->find_result = 0;
5075 if (view->document) {
5076 g_object_ref (view->document);
5077 setup_caches (view);
5080 view_update_range_and_current_page (view);
5082 gtk_widget_queue_resize (GTK_WIDGET (view));
5087 ev_view_reload_page (EvView *view,
5091 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
5099 ev_view_reload (EvView *view)
5101 ev_pixbuf_cache_clear (view->pixbuf_cache);
5102 view_update_range_and_current_page (view);
5105 /*** Zoom and sizing mode ***/
5107 #define EPSILON 0.0000001
5109 ev_view_set_zoom (EvView *view,
5116 scale = view->scale * factor;
5120 scale = CLAMP (scale,
5121 view->sizing_mode == EV_SIZING_FREE ? view->min_scale : 0,
5124 if (scale == view->scale)
5127 if (ABS (view->scale - scale) < EPSILON)
5130 if (view->loading_text) {
5131 cairo_surface_destroy (view->loading_text);
5132 view->loading_text = NULL;
5135 view->scale = scale;
5136 view->pending_resize = TRUE;
5138 gtk_widget_queue_resize (GTK_WIDGET (view));
5140 g_object_notify (G_OBJECT (view), "zoom");
5144 ev_view_get_zoom (EvView *view)
5150 ev_view_set_screen_dpi (EvView *view,
5153 g_return_if_fail (EV_IS_VIEW (view));
5154 g_return_if_fail (dpi > 0);
5157 view->min_scale = MIN_SCALE * dpi / 72.0;
5158 view->max_scale = MAX_SCALE * dpi / 72.0;
5162 ev_view_get_continuous (EvView *view)
5164 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5166 return view->continuous;
5170 ev_view_set_continuous (EvView *view,
5171 gboolean continuous)
5173 g_return_if_fail (EV_IS_VIEW (view));
5175 continuous = continuous != FALSE;
5177 if (view->continuous != continuous) {
5178 view->continuous = continuous;
5179 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5180 gtk_widget_queue_resize (GTK_WIDGET (view));
5183 g_object_notify (G_OBJECT (view), "continuous");
5187 ev_view_get_dual_page (EvView *view)
5189 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5191 return view->dual_page;
5195 ev_view_set_dual_page (EvView *view,
5198 g_return_if_fail (EV_IS_VIEW (view));
5200 dual_page = dual_page != FALSE;
5202 if (view->dual_page == dual_page)
5205 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5206 view->dual_page = dual_page;
5207 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
5208 * preload_cache_size to be 2 if dual_page is set.
5210 gtk_widget_queue_resize (GTK_WIDGET (view));
5212 g_object_notify (G_OBJECT (view), "dual-page");
5216 ev_view_set_fullscreen (EvView *view,
5217 gboolean fullscreen)
5219 g_return_if_fail (EV_IS_VIEW (view));
5221 fullscreen = fullscreen != FALSE;
5223 if (view->fullscreen == fullscreen)
5226 view->fullscreen = fullscreen;
5227 gtk_widget_queue_resize (GTK_WIDGET (view));
5229 g_object_notify (G_OBJECT (view), "fullscreen");
5233 ev_view_get_fullscreen (EvView *view)
5235 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5237 return view->fullscreen;
5241 ev_view_set_presentation (EvView *view,
5242 gboolean presentation)
5244 g_return_if_fail (EV_IS_VIEW (view));
5246 presentation = presentation != FALSE;
5248 if (view->presentation == presentation)
5252 view->presentation_state = EV_PRESENTATION_NORMAL;
5254 view->presentation = presentation;
5255 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5258 view->sizing_mode_saved = view->sizing_mode;
5259 view->scale_saved = view->scale;
5260 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
5262 ev_view_set_sizing_mode (view, view->sizing_mode_saved);
5263 ev_view_set_zoom (view, view->scale_saved, FALSE);
5266 gtk_widget_queue_resize (GTK_WIDGET (view));
5269 ev_view_presentation_transition_start (view);
5271 ev_view_presentation_transition_stop (view);
5273 if (view->animation) {
5274 /* stop any running animation */
5275 ev_view_transition_animation_cancel (view->animation, view);
5279 if (GTK_WIDGET_REALIZED (view)) {
5280 if (view->presentation)
5281 gdk_window_set_background (view->layout.bin_window,
5282 >K_WIDGET (view)->style->black);
5284 gdk_window_set_background (view->layout.bin_window,
5285 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
5288 g_object_notify (G_OBJECT (view), "presentation");
5292 ev_view_get_presentation (EvView *view)
5294 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5296 return view->presentation;
5300 transition_next_page (EvView *view)
5302 ev_view_next_page (view);
5308 ev_view_presentation_transition_stop (EvView *view)
5310 if (view->trans_timeout_id > 0)
5311 g_source_remove (view->trans_timeout_id);
5312 view->trans_timeout_id = 0;
5316 ev_view_presentation_transition_start (EvView *view)
5320 if (!EV_IS_DOCUMENT_TRANSITION (view->document))
5323 ev_view_presentation_transition_stop (view);
5325 duration = ev_document_transition_get_page_duration (EV_DOCUMENT_TRANSITION (view->document),
5326 view->current_page);
5328 view->trans_timeout_id =
5329 g_timeout_add_seconds (duration,
5330 (GSourceFunc) transition_next_page,
5336 ev_view_set_sizing_mode (EvView *view,
5337 EvSizingMode sizing_mode)
5339 g_return_if_fail (EV_IS_VIEW (view));
5341 if (view->sizing_mode == sizing_mode)
5344 view->sizing_mode = sizing_mode;
5345 gtk_widget_queue_resize (GTK_WIDGET (view));
5347 g_object_notify (G_OBJECT (view), "sizing-mode");
5351 ev_view_get_sizing_mode (EvView *view)
5353 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
5355 return view->sizing_mode;
5359 ev_view_can_zoom_in (EvView *view)
5361 return view->scale * ZOOM_IN_FACTOR <= view->max_scale;
5365 ev_view_can_zoom_out (EvView *view)
5367 return view->scale * ZOOM_OUT_FACTOR >= view->min_scale;
5371 ev_view_zoom_in (EvView *view)
5373 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5375 if (view->presentation)
5378 view->pending_scroll = SCROLL_TO_CENTER;
5379 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
5383 ev_view_zoom_out (EvView *view)
5385 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5387 if (view->presentation)
5390 view->pending_scroll = SCROLL_TO_CENTER;
5391 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
5395 ev_view_rotate_right (EvView *view)
5397 int rotation = view->rotation + 90;
5399 if (rotation >= 360) {
5403 ev_view_set_rotation (view, rotation);
5407 ev_view_rotate_left (EvView *view)
5409 int rotation = view->rotation - 90;
5415 ev_view_set_rotation (view, rotation);
5419 ev_view_set_rotation (EvView *view, int rotation)
5421 view->rotation = rotation;
5423 if (view->pixbuf_cache) {
5424 ev_pixbuf_cache_clear (view->pixbuf_cache);
5425 gtk_widget_queue_resize (GTK_WIDGET (view));
5429 clear_selection (view);
5431 g_object_notify (G_OBJECT (view), "rotation");
5435 ev_view_get_rotation (EvView *view)
5437 return view->rotation;
5441 zoom_for_size_fit_width (gdouble doc_width,
5448 scale = (double)target_width / doc_width;
5450 if (doc_height * scale > target_height)
5451 scale = (double)target_width / doc_width;
5457 zoom_for_size_fit_height (gdouble doc_width,
5464 scale = (double)target_height / doc_height;
5466 if (doc_width * scale > target_width)
5467 scale = (double)target_height / doc_height;
5473 zoom_for_size_best_fit (gdouble doc_width,
5481 w_scale = (double)target_width / doc_width;
5482 h_scale = (double)target_height / doc_height;
5484 if (doc_height * w_scale > target_height)
5485 w_scale = (double)target_width / doc_width;
5486 if (doc_width * h_scale > target_width)
5487 h_scale = (double)target_height / doc_height;
5489 return MIN (w_scale, h_scale);
5494 ev_view_zoom_for_size_presentation (EvView *view,
5498 gdouble doc_width, doc_height;
5501 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5502 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5503 ev_view_set_zoom (view, scale, FALSE);
5507 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
5511 gdouble doc_width, doc_height;
5515 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5516 if (view->rotation == 90 || view->rotation == 270) {
5520 doc_width = doc_height;
5524 compute_border (view, doc_width, doc_height, &border);
5527 width -= (2 * (border.left + border.right) + 3 * view->spacing);
5528 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5530 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5531 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height);
5532 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5533 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5535 g_assert_not_reached ();
5537 ev_view_set_zoom (view, scale, FALSE);
5541 ev_view_zoom_for_size_continuous (EvView *view,
5545 gdouble doc_width, doc_height;
5549 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5550 if (view->rotation == 90 || view->rotation == 270) {
5554 doc_width = doc_height;
5558 compute_border (view, doc_width, doc_height, &border);
5560 width -= (border.left + border.right + 2 * view->spacing);
5561 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5563 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5564 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height);
5565 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5566 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5568 g_assert_not_reached ();
5570 ev_view_set_zoom (view, scale, FALSE);
5574 ev_view_zoom_for_size_dual_page (EvView *view,
5579 gdouble doc_width, doc_height;
5583 other_page = view->current_page ^ 1;
5585 /* Find the largest of the two. */
5586 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5587 if (other_page < ev_document_get_n_pages (view->document)) {
5588 gdouble width_2, height_2;
5590 get_doc_page_size (view, other_page, &width_2, &height_2);
5591 if (width_2 > doc_width)
5592 doc_width = width_2;
5593 if (height_2 > doc_height)
5594 doc_height = height_2;
5596 compute_border (view, width, height, &border);
5598 doc_width = doc_width * 2;
5599 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
5600 height -= (border.top + border.bottom + 2 * view->spacing);
5602 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5603 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height);
5604 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5605 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5607 g_assert_not_reached ();
5609 ev_view_set_zoom (view, scale, FALSE);
5613 ev_view_zoom_for_size_single_page (EvView *view,
5617 gdouble doc_width, doc_height;
5621 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5623 /* Get an approximate border */
5624 compute_border (view, width, height, &border);
5626 width -= (border.left + border.right + 2 * view->spacing);
5627 height -= (border.top + border.bottom + 2 * view->spacing);
5629 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5630 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height);
5631 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5632 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5634 g_assert_not_reached ();
5636 ev_view_set_zoom (view, scale, FALSE);
5640 ev_view_zoom_for_size (EvView *view,
5644 g_return_if_fail (EV_IS_VIEW (view));
5645 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
5646 view->sizing_mode == EV_SIZING_BEST_FIT);
5647 g_return_if_fail (width >= 0);
5648 g_return_if_fail (height >= 0);
5650 if (view->document == NULL)
5653 if (view->presentation)
5654 ev_view_zoom_for_size_presentation (view, width, height);
5655 else if (view->continuous && view->dual_page)
5656 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height);
5657 else if (view->continuous)
5658 ev_view_zoom_for_size_continuous (view, width, height);
5659 else if (view->dual_page)
5660 ev_view_zoom_for_size_dual_page (view, width, height);
5662 ev_view_zoom_for_size_single_page (view, width, height);
5667 ev_view_find_get_n_results (EvView *view, gint page)
5669 return view->find_pages ? g_list_length (view->find_pages[page]) : 0;
5672 static EvRectangle *
5673 ev_view_find_get_result (EvView *view, gint page, gint result)
5675 return view->find_pages ? (EvRectangle *) g_list_nth_data (view->find_pages[page], result) : NULL;
5679 jump_to_find_result (EvView *view)
5682 gint page = view->current_page;
5684 n_results = ev_view_find_get_n_results (view, page);
5686 if (n_results > 0 && view->find_result < n_results) {
5688 GdkRectangle view_rect;
5690 rect = ev_view_find_get_result (view, page, view->find_result);
5691 doc_rect_to_view_rect (view, page, rect, &view_rect);
5692 ensure_rectangle_is_visible (view, &view_rect);
5693 view->jump_to_find_result = FALSE;
5699 * @view: #EvView instance
5700 * @direction: Direction to look
5701 * @shift: Shift from current page
5703 * Jumps to the first page that has occurences of searched word.
5704 * Uses a direction where to look and a shift from current page.
5708 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
5712 n_pages = ev_document_get_n_pages (view->document);
5714 for (i = 0; i < n_pages; i++) {
5717 if (direction == EV_VIEW_FIND_NEXT)
5718 page = view->current_page + i;
5720 page = view->current_page - i;
5723 if (page >= n_pages) {
5724 page = page - n_pages;
5725 } else if (page < 0)
5726 page = page + n_pages;
5728 if (ev_view_find_get_n_results (view, page) > 0) {
5729 ev_page_cache_set_current_page (view->page_cache, page);
5736 ev_view_find_changed (EvView *view, GList **results, gint page)
5738 view->find_pages = results;
5740 if (view->jump_to_find_result == TRUE) {
5741 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
5742 jump_to_find_result (view);
5745 if (view->current_page == page)
5746 gtk_widget_queue_draw (GTK_WIDGET (view));
5750 ev_view_find_next (EvView *view)
5754 n_results = ev_view_find_get_n_results (view, view->current_page);
5755 view->find_result++;
5757 if (view->find_result >= n_results) {
5758 view->find_result = 0;
5759 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
5760 jump_to_find_result (view);
5762 jump_to_find_result (view);
5763 gtk_widget_queue_draw (GTK_WIDGET (view));
5768 ev_view_find_previous (EvView *view)
5770 view->find_result--;
5772 if (view->find_result < 0) {
5773 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
5774 view->find_result = MAX (0, ev_view_find_get_n_results (view, view->current_page) - 1);
5775 jump_to_find_result (view);
5777 jump_to_find_result (view);
5778 gtk_widget_queue_draw (GTK_WIDGET (view));
5783 ev_view_find_search_changed (EvView *view)
5785 /* search string has changed, focus on new search result */
5786 view->jump_to_find_result = TRUE;
5787 view->find_pages = NULL;
5791 ev_view_find_set_highlight_search (EvView *view, gboolean value)
5793 view->highlight_find_results = value;
5794 gtk_widget_queue_draw (GTK_WIDGET (view));
5798 ev_view_find_cancel (EvView *view)
5800 view->find_pages = NULL;
5803 /*** Selections ***/
5805 /* compute_new_selection_rect/text calculates the area currently selected by
5806 * view_rect. each handles a different mode;
5809 compute_new_selection_rect (EvView *view,
5813 GdkRectangle view_rect;
5817 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
5819 view_rect.x = MIN (start->x, stop->x);
5820 view_rect.y = MIN (start->y, stop->y);
5821 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
5822 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
5824 n_pages = ev_document_get_n_pages (view->document);
5826 for (i = 0; i < n_pages; i++) {
5827 GdkRectangle page_area;
5830 if (get_page_extents (view, i, &page_area, &border)) {
5831 GdkRectangle overlap;
5833 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
5834 EvViewSelection *selection;
5836 selection = g_new0 (EvViewSelection, 1);
5837 selection->page = i;
5838 view_rect_to_doc_rect (view, &overlap, &page_area,
5839 &(selection->rect));
5841 list = g_list_append (list, selection);
5850 gdk_rectangle_point_in (GdkRectangle *rectangle,
5853 return rectangle->x <= point->x &&
5854 rectangle->y <= point->y &&
5855 point->x < rectangle->x + rectangle->width &&
5856 point->y < rectangle->y + rectangle->height;
5860 compute_new_selection_text (EvView *view,
5861 EvSelectionStyle style,
5865 int n_pages, i, first, last;
5867 EvViewSelection *selection;
5868 gdouble width, height;
5869 int start_page, end_page;
5871 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
5873 n_pages = ev_document_get_n_pages (view->document);
5875 /* First figure out the range of pages the selection
5879 if (view->continuous) {
5882 } else if (view->dual_page) {
5883 start_page = view->start_page;
5884 end_page = view->end_page + 1;
5886 start_page = view->current_page;
5887 end_page = view->current_page + 1;
5890 for (i = start_page; i < end_page; i++) {
5891 GdkRectangle page_area;
5894 get_page_extents (view, i, &page_area, &border);
5895 if (gdk_rectangle_point_in (&page_area, start) ||
5896 gdk_rectangle_point_in (&page_area, stop)) {
5897 if (first == n_pages)
5904 /* Now create a list of EvViewSelection's for the affected
5905 * pages. This could be an empty list, a list of just one
5906 * page or a number of pages.*/
5907 for (i = first; i < last + 1; i++) {
5908 GdkRectangle page_area;
5912 get_doc_page_size (view, i, &width, &height);
5914 selection = g_new0 (EvViewSelection, 1);
5915 selection->page = i;
5916 selection->style = style;
5917 selection->rect.x1 = selection->rect.y1 = 0;
5918 selection->rect.x2 = width;
5919 selection->rect.y2 = height;
5921 get_page_extents (view, i, &page_area, &border);
5923 if (gdk_rectangle_point_in (&page_area, start))
5929 view_point_to_doc_point (view, point, &page_area,
5930 &selection->rect.x1,
5931 &selection->rect.y1);
5933 /* If the selection is contained within just one page,
5934 * make sure we don't write 'start' into both points
5935 * in selection->rect. */
5940 view_point_to_doc_point (view, point, &page_area,
5941 &selection->rect.x2,
5942 &selection->rect.y2);
5944 list = g_list_append (list, selection);
5950 /* This function takes the newly calculated list, and figures out which regions
5951 * have changed. It then queues a redraw approporiately.
5954 merge_selection_region (EvView *view,
5958 GList *new_list_ptr, *old_list_ptr;
5960 /* Update the selection */
5961 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
5962 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5963 g_list_free (view->selection_info.selections);
5964 view->selection_info.selections = new_list;
5965 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
5966 g_object_notify (G_OBJECT (view), "has-selection");
5968 new_list_ptr = new_list;
5969 old_list_ptr = old_list;
5971 while (new_list_ptr || old_list_ptr) {
5972 EvViewSelection *old_sel, *new_sel;
5974 GdkRegion *region = NULL;
5976 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
5977 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
5979 /* Assume that the lists are in order, and we run through them
5980 * comparing them, one page at a time. We come out with the
5981 * first page we see. */
5982 if (new_sel && old_sel) {
5983 if (new_sel->page < old_sel->page) {
5984 new_list_ptr = new_list_ptr->next;
5986 } else if (new_sel->page > old_sel->page) {
5987 old_list_ptr = old_list_ptr->next;
5990 new_list_ptr = new_list_ptr->next;
5991 old_list_ptr = old_list_ptr->next;
5993 } else if (new_sel) {
5994 new_list_ptr = new_list_ptr->next;
5995 } else if (old_sel) {
5996 old_list_ptr = old_list_ptr->next;
5999 g_assert (new_sel || old_sel);
6001 /* is the page we're looking at on the screen?*/
6002 cur_page = new_sel ? new_sel->page : old_sel->page;
6003 if (cur_page < view->start_page || cur_page > view->end_page)
6006 /* seed the cache with a new page. We are going to need the new
6009 GdkRegion *tmp_region = NULL;
6011 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
6017 new_sel->covered_region = gdk_region_copy (tmp_region);
6021 /* Now we figure out what needs redrawing */
6022 if (old_sel && new_sel) {
6023 if (old_sel->covered_region && new_sel->covered_region) {
6024 /* We only want to redraw the areas that have
6025 * changed, so we xor the old and new regions
6026 * and redraw if it's different */
6027 region = gdk_region_copy (old_sel->covered_region);
6028 gdk_region_xor (region, new_sel->covered_region);
6029 if (gdk_region_empty (region)) {
6030 gdk_region_destroy (region);
6033 } else if (old_sel->covered_region) {
6034 region = gdk_region_copy (old_sel->covered_region);
6035 } else if (new_sel->covered_region) {
6036 region = gdk_region_copy (new_sel->covered_region);
6038 } else if (old_sel && !new_sel) {
6039 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
6040 region = gdk_region_copy (old_sel->covered_region);
6042 } else if (!old_sel && new_sel) {
6043 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
6044 region = gdk_region_copy (new_sel->covered_region);
6047 g_assert_not_reached ();
6050 /* Redraw the damaged region! */
6052 GdkRectangle page_area;
6055 /* I don't know why but the region is smaller
6056 * than expected. This hack fixes it, I guess
6057 * 10 pixels more won't hurt
6059 gdk_region_shrink (region, -5, -5);
6061 get_page_extents (view, cur_page, &page_area, &border);
6062 gdk_region_offset (region,
6063 page_area.x + border.left - view->scroll_x,
6064 page_area.y + border.top - view->scroll_y);
6065 gdk_window_invalidate_region (view->layout.bin_window, region, TRUE);
6066 gdk_region_destroy (region);
6070 /* Free the old list, now that we're done with it. */
6071 g_list_foreach (old_list, (GFunc) selection_free, NULL);
6072 g_list_free (old_list);
6076 compute_selections (EvView *view,
6077 EvSelectionStyle style,
6083 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
6084 list = compute_new_selection_rect (view, start, stop);
6086 list = compute_new_selection_text (view, style, start, stop);
6087 merge_selection_region (view, list);
6090 /* Free's the selection. It's up to the caller to queue redraws if needed.
6093 selection_free (EvViewSelection *selection)
6095 if (selection->covered_region)
6096 gdk_region_destroy (selection->covered_region);
6101 clear_selection (EvView *view)
6103 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
6104 g_list_free (view->selection_info.selections);
6105 view->selection_info.selections = NULL;
6106 view->selection_info.in_selection = FALSE;
6107 if (view->pixbuf_cache)
6108 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
6109 g_object_notify (G_OBJECT (view), "has-selection");
6113 ev_view_select_all (EvView *view)
6115 GList *selections = NULL;
6118 /* Disable selection on rotated pages for the 0.4.0 series */
6119 if (view->rotation != 0)
6122 clear_selection (view);
6124 n_pages = ev_document_get_n_pages (view->document);
6125 for (i = 0; i < n_pages; i++) {
6126 gdouble width, height;
6127 EvViewSelection *selection;
6129 get_doc_page_size (view, i, &width, &height);
6131 selection = g_new0 (EvViewSelection, 1);
6132 selection->page = i;
6133 selection->style = EV_SELECTION_STYLE_GLYPH;
6134 selection->rect.x1 = selection->rect.y1 = 0;
6135 selection->rect.x2 = width;
6136 selection->rect.y2 = height;
6138 selections = g_list_append (selections, selection);
6141 merge_selection_region (view, selections);
6142 gtk_widget_queue_draw (GTK_WIDGET (view));
6146 ev_view_get_has_selection (EvView *view)
6148 return view->selection_info.selections != NULL;
6152 get_selected_text (EvView *view)
6156 gchar *normalized_text;
6157 EvRenderContext *rc;
6159 text = g_string_new (NULL);
6160 rc = ev_render_context_new (NULL, view->rotation, view->scale);
6162 ev_document_doc_mutex_lock ();
6164 for (l = view->selection_info.selections; l != NULL; l = l->next) {
6165 EvViewSelection *selection = (EvViewSelection *)l->data;
6169 page = ev_document_get_page (view->document, selection->page);
6170 ev_render_context_set_page (rc, page);
6171 g_object_unref (page);
6173 tmp = ev_selection_get_selected_text (EV_SELECTION (view->document),
6174 rc, selection->style,
6175 &(selection->rect));
6177 g_string_append (text, tmp);
6181 g_object_unref (rc);
6183 ev_document_doc_mutex_unlock ();
6185 normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC);
6186 g_string_free (text, TRUE);
6187 return normalized_text;
6191 ev_view_clipboard_copy (EvView *view,
6194 GtkClipboard *clipboard;
6196 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
6197 GDK_SELECTION_CLIPBOARD);
6198 gtk_clipboard_set_text (clipboard, text, -1);
6202 ev_view_copy (EvView *ev_view)
6206 if (!EV_IS_SELECTION (ev_view->document))
6209 text = get_selected_text (ev_view);
6210 ev_view_clipboard_copy (ev_view, text);
6215 ev_view_primary_get_cb (GtkClipboard *clipboard,
6216 GtkSelectionData *selection_data,
6220 EvView *ev_view = EV_VIEW (data);
6222 if (ev_view->link_selected) {
6223 gtk_selection_data_set_text (selection_data,
6224 ev_link_action_get_uri (ev_view->link_selected),
6226 } else if (EV_IS_SELECTION (ev_view->document) &&
6227 ev_view->selection_info.selections) {
6230 text = get_selected_text (ev_view);
6232 gtk_selection_data_set_text (selection_data, text, -1);
6239 ev_view_primary_clear_cb (GtkClipboard *clipboard,
6242 EvView *view = EV_VIEW (data);
6244 clear_selection (view);
6245 clear_link_selected (view);
6249 ev_view_update_primary_selection (EvView *ev_view)
6251 GtkClipboard *clipboard;
6253 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
6254 GDK_SELECTION_PRIMARY);
6256 if (ev_view->selection_info.selections || ev_view->link_selected) {
6257 GtkTargetList *target_list;
6258 GtkTargetEntry *targets;
6261 target_list = gtk_target_list_new (NULL, 0);
6262 gtk_target_list_add_text_targets (target_list, 0);
6263 targets = gtk_target_table_new_from_list (target_list, &n_targets);
6264 gtk_target_list_unref (target_list);
6266 if (!gtk_clipboard_set_with_owner (clipboard,
6268 ev_view_primary_get_cb,
6269 ev_view_primary_clear_cb,
6270 G_OBJECT (ev_view)))
6271 ev_view_primary_clear_cb (clipboard, ev_view);
6273 gtk_target_table_free (targets, n_targets);
6275 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
6276 gtk_clipboard_clear (clipboard);
6281 clear_link_selected (EvView *view)
6283 if (view->link_selected) {
6284 g_object_unref (view->link_selected);
6285 view->link_selected = NULL;
6290 ev_view_copy_link_address (EvView *view,
6291 EvLinkAction *action)
6293 clear_link_selected (view);
6295 ev_view_clipboard_copy (view, ev_link_action_get_uri (action));
6297 view->link_selected = g_object_ref (action);
6298 ev_view_update_primary_selection (view);
6301 /*** Cursor operations ***/
6304 ev_view_create_invisible_cursor(void)
6307 GdkColor black = { 0, 0, 0, 0 };
6308 static char bits[] = { 0x00 };
6310 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
6312 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
6316 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
6318 GdkCursor *cursor = NULL;
6319 GdkDisplay *display;
6322 if (view->cursor == new_cursor) {
6326 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
6327 display = gtk_widget_get_display (widget);
6328 view->cursor = new_cursor;
6330 switch (new_cursor) {
6331 case EV_VIEW_CURSOR_NORMAL:
6332 gdk_window_set_cursor (view->layout.bin_window, NULL);
6334 case EV_VIEW_CURSOR_IBEAM:
6335 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
6337 case EV_VIEW_CURSOR_LINK:
6338 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
6340 case EV_VIEW_CURSOR_WAIT:
6341 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
6343 case EV_VIEW_CURSOR_HIDDEN:
6344 cursor = ev_view_create_invisible_cursor ();
6346 case EV_VIEW_CURSOR_DRAG:
6347 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
6349 case EV_VIEW_CURSOR_AUTOSCROLL:
6350 cursor = gdk_cursor_new_for_display (display, GDK_DOUBLE_ARROW);
6355 gdk_window_set_cursor (view->layout.bin_window, cursor);
6356 gdk_cursor_unref (cursor);
6362 ev_view_hide_cursor (EvView *view)
6364 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
6368 ev_view_show_cursor (EvView *view)
6370 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
6374 ev_view_reset_presentation_state (EvView *view)
6376 if (!view->presentation ||
6377 view->presentation_state == EV_PRESENTATION_NORMAL)
6380 view->presentation_state = EV_PRESENTATION_NORMAL;
6381 gdk_window_set_background (view->layout.bin_window,
6382 >K_WIDGET (view)->style->black);
6383 gtk_widget_queue_draw (GTK_WIDGET (view));
6387 ev_view_next_page (EvView *view)
6391 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
6393 if (!view->page_cache)
6396 if (view->presentation &&
6397 (view->presentation_state == EV_PRESENTATION_BLACK ||
6398 view->presentation_state == EV_PRESENTATION_WHITE)) {
6399 ev_view_reset_presentation_state (view);
6403 if (view->animation) {
6404 ev_view_transition_animation_cancel (view->animation, view);
6407 ev_view_presentation_transition_stop (view);
6408 ev_view_reset_presentation_state (view);
6410 page = ev_page_cache_get_current_page (view->page_cache);
6411 n_pages = ev_document_get_n_pages (view->document);
6413 if (view->dual_page && !view->presentation)
6418 if (page < n_pages) {
6419 ev_page_cache_set_current_page (view->page_cache, page);
6421 } else if (view->presentation && page == n_pages) {
6422 view->presentation_state = EV_PRESENTATION_END;
6423 gtk_widget_queue_draw (GTK_WIDGET (view));
6425 } else if (view->dual_page && page == n_pages) {
6426 ev_page_cache_set_current_page (view->page_cache, page - 1);
6434 ev_view_previous_page (EvView *view)
6438 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
6440 if (!view->page_cache)
6443 if (view->presentation &&
6444 view->presentation_state == EV_PRESENTATION_END) {
6445 ev_view_reset_presentation_state (view);
6449 if (view->presentation &&
6450 (view->presentation_state == EV_PRESENTATION_BLACK ||
6451 view->presentation_state == EV_PRESENTATION_WHITE)) {
6452 ev_view_reset_presentation_state (view);
6456 if (view->animation) {
6457 ev_view_transition_animation_cancel (view->animation, view);
6460 ev_view_reset_presentation_state (view);
6462 page = ev_page_cache_get_current_page (view->page_cache);
6464 if (view->dual_page && !view->presentation)
6470 ev_page_cache_set_current_page (view->page_cache, page);
6472 } else if (ev_view_get_dual_page (view) && page == -1) {
6473 ev_page_cache_set_current_page (view->page_cache, 0);