1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
2 /* this file is part of evince, a gnome document viewer
4 * Copyright (C) 2004 Red Hat, Inc
6 * Evince is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Evince is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
27 #include <glib/gi18n-lib.h>
29 #include <gdk/gdkkeysyms.h>
31 #include "ev-mapping.h"
32 #include "ev-document-forms.h"
33 #include "ev-document-images.h"
34 #include "ev-document-links.h"
35 #include "ev-document-misc.h"
36 #include "ev-document-transition.h"
37 #include "ev-pixbuf-cache.h"
38 #include "ev-transition-animation.h"
39 #include "ev-view-marshal.h"
40 #include "ev-document-annotations.h"
41 #include "ev-annotation-window.h"
43 #include "ev-view-accessible.h"
44 #include "ev-view-private.h"
45 #include "ev-view-type-builtins.h"
47 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
48 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
49 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
64 SIGNAL_BINDING_ACTIVATED,
77 static guint signals[N_SIGNALS];
82 } EvViewFindDirection;
84 #define ZOOM_IN_FACTOR 1.2
85 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
87 #define SCROLL_TIME 150
90 static void ev_view_set_scroll_adjustments (GtkLayout *layout,
91 GtkAdjustment *hadjustment,
92 GtkAdjustment *vadjustment);
93 static void view_update_range_and_current_page (EvView *view);
94 static void set_scroll_adjustment (EvView *view,
95 GtkOrientation orientation,
96 GtkAdjustment *adjustment);
97 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
99 GdkModifierType modifiers,
100 GtkScrollType scroll,
101 gboolean horizontal);
102 static void ensure_rectangle_is_visible (EvView *view,
105 /*** Geometry computations ***/
106 static void compute_border (EvView *view,
110 static void get_page_y_offset (EvView *view,
113 static gboolean get_page_extents (EvView *view,
115 GdkRectangle *page_area,
117 static void view_rect_to_doc_rect (EvView *view,
118 GdkRectangle *view_rect,
119 GdkRectangle *page_area,
120 EvRectangle *doc_rect);
121 static void doc_rect_to_view_rect (EvView *view,
123 EvRectangle *doc_rect,
124 GdkRectangle *view_rect);
125 static gboolean get_dual_even_left (EvView *view);
126 static void find_page_at_location (EvView *view,
132 static void doc_point_to_view_point (EvView *view,
135 GdkPoint *view_point);
137 static EvLink * ev_view_get_link_at_location (EvView *view,
140 static char* tip_from_link (EvView *view,
143 static EvFormField *ev_view_get_form_field_at_location (EvView *view,
147 /*** Annotations ***/
148 static EvAnnotation *ev_view_get_annotation_at_location (EvView *view,
151 static void show_annotation_windows (EvView *view,
153 static void hide_annotation_windows (EvView *view,
155 /*** GtkWidget implementation ***/
156 static void ev_view_size_request_continuous_dual_page (EvView *view,
157 GtkRequisition *requisition);
158 static void ev_view_size_request_continuous (EvView *view,
159 GtkRequisition *requisition);
160 static void ev_view_size_request_dual_page (EvView *view,
161 GtkRequisition *requisition);
162 static void ev_view_size_request_single_page (EvView *view,
163 GtkRequisition *requisition);
164 static void ev_view_size_request (GtkWidget *widget,
165 GtkRequisition *requisition);
166 static void ev_view_size_allocate (GtkWidget *widget,
167 GtkAllocation *allocation);
168 static void ev_view_realize (GtkWidget *widget);
169 static gboolean ev_view_scroll_event (GtkWidget *widget,
170 GdkEventScroll *event);
171 static gboolean ev_view_expose_event (GtkWidget *widget,
172 GdkEventExpose *event);
173 static gboolean ev_view_popup_menu (GtkWidget *widget);
174 static gboolean ev_view_button_press_event (GtkWidget *widget,
175 GdkEventButton *event);
176 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
177 GdkEventMotion *event);
178 static gboolean ev_view_button_release_event (GtkWidget *widget,
179 GdkEventButton *event);
180 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
181 GdkEventCrossing *event);
182 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
183 GdkEventCrossing *event);
184 static void ev_view_style_set (GtkWidget *widget,
185 GtkStyle *old_style);
186 static void ev_view_remove_all (EvView *view);
188 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
191 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
192 static void draw_rubberband (GtkWidget *widget,
194 const GdkRectangle *rect,
196 static void highlight_find_results (EvView *view,
198 static void draw_one_page (EvView *view,
201 GdkRectangle *page_area,
203 GdkRectangle *expose_area,
204 gboolean *page_ready);
205 static void draw_loading_text (EvView *view,
206 GdkRectangle *page_area,
207 GdkRectangle *expose_area);
208 static void ev_view_reload_page (EvView *view,
213 static void ev_view_change_page (EvView *view,
215 gboolean start_transition);
216 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
219 static void ev_view_page_changed_cb (EvDocumentModel *model,
223 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
227 static void ev_view_finalize (GObject *object);
228 static void ev_view_destroy (GtkObject *object);
229 static void ev_view_set_property (GObject *object,
233 static void ev_view_get_property (GObject *object,
237 static void ev_view_class_init (EvViewClass *class);
238 static void ev_view_init (EvView *view);
240 /*** Zoom and sizing ***/
241 static double zoom_for_size_fit_width (gdouble doc_width,
245 static double zoom_for_size_fit_height (gdouble doc_width,
249 static double zoom_for_size_best_fit (gdouble doc_width,
253 static void ev_view_zoom_for_size (EvView *view,
256 static void ev_view_zoom_for_size_presentation (EvView *view,
259 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
262 static void ev_view_zoom_for_size_continuous (EvView *view,
265 static void ev_view_zoom_for_size_dual_page (EvView *view,
268 static void ev_view_zoom_for_size_single_page (EvView *view,
272 static GdkCursor* ev_view_create_invisible_cursor (void);
273 static void ev_view_set_cursor (EvView *view,
274 EvViewCursor new_cursor);
275 static void ev_view_handle_cursor_over_xy (EvView *view,
280 static gint ev_view_find_get_n_results (EvView *view,
282 static EvRectangle *ev_view_find_get_result (EvView *view,
285 static void jump_to_find_result (EvView *view);
286 static void jump_to_find_page (EvView *view,
287 EvViewFindDirection direction,
291 static void compute_selections (EvView *view,
292 EvSelectionStyle style,
295 static void clear_selection (EvView *view);
296 static void clear_link_selected (EvView *view);
297 static void selection_free (EvViewSelection *selection);
298 static char* get_selected_text (EvView *ev_view);
299 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
300 GtkSelectionData *selection_data,
303 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
305 static void ev_view_update_primary_selection (EvView *ev_view);
307 /*** Presentation ***/
308 static void ev_view_presentation_transition_start (EvView *ev_view);
309 static void ev_view_presentation_transition_stop (EvView *ev_view);
312 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_LAYOUT)
314 /* HeightToPage cache */
315 #define EV_HEIGHT_TO_PAGE_CACHE_KEY "ev-height-to-page-cache"
318 build_height_to_page (EvHeightToPageCache *cache,
319 EvDocument *document,
322 gboolean swap, uniform, dual_even_left;
324 double uniform_height, page_height, next_page_height;
326 gdouble u_width, u_height;
329 swap = (rotation == 90 || rotation == 270);
331 uniform = ev_document_is_page_size_uniform (document);
332 n_pages = ev_document_get_n_pages (document);
333 dual_even_left = (n_pages > 2);
335 g_free (cache->height_to_page);
336 g_free (cache->dual_height_to_page);
338 cache->rotation = rotation;
339 cache->height_to_page = g_new0 (gdouble, n_pages + 1);
340 cache->dual_height_to_page = g_new0 (gdouble, n_pages + 2);
343 ev_document_get_page_size (document, 0, &u_width, &u_height);
346 for (i = 0; i <= n_pages; i++) {
348 uniform_height = swap ? u_width : u_height;
349 cache->height_to_page[i] = i * uniform_height;
354 ev_document_get_page_size (document, i, &w, &h);
355 page_height = swap ? w : h;
359 cache->height_to_page[i] = saved_height;
360 saved_height += page_height;
364 if (dual_even_left && !uniform) {
367 ev_document_get_page_size (document, 0, &w, &h);
368 saved_height = swap ? w : h;
373 for (i = dual_even_left; i < n_pages + 2; i += 2) {
375 uniform_height = swap ? u_width : u_height;
376 cache->dual_height_to_page[i] = ((i + dual_even_left) / 2) * uniform_height;
377 if (i + 1 < n_pages + 2)
378 cache->dual_height_to_page[i + 1] = ((i + dual_even_left) / 2) * uniform_height;
380 if (i + 1 < n_pages) {
383 ev_document_get_page_size (document, i + 1, &w, &h);
384 next_page_height = swap ? w : h;
386 next_page_height = 0;
392 ev_document_get_page_size (document, i, &w, &h);
393 page_height = swap ? w : h;
398 if (i + 1 < n_pages + 2) {
399 cache->dual_height_to_page[i] = saved_height;
400 cache->dual_height_to_page[i + 1] = saved_height;
401 saved_height += MAX(page_height, next_page_height);
403 cache->dual_height_to_page[i] = saved_height;
410 ev_height_to_page_cache_get_height (EvHeightToPageCache *cache,
411 EvDocument *document,
415 gdouble *dual_height)
417 if (cache->rotation != rotation)
418 build_height_to_page (cache, document, rotation);
420 *height = cache->height_to_page[page];
421 *dual_height = cache->dual_height_to_page[page];
425 ev_height_to_page_cache_free (EvHeightToPageCache *cache)
427 if (cache->height_to_page) {
428 g_free (cache->height_to_page);
429 cache->height_to_page = NULL;
432 if (cache->dual_height_to_page) {
433 g_free (cache->dual_height_to_page);
434 cache->dual_height_to_page = NULL;
439 static EvHeightToPageCache *
440 ev_view_get_height_to_page_cache (EvView *view)
442 EvHeightToPageCache *cache;
447 cache = g_object_get_data (G_OBJECT (view->document), EV_HEIGHT_TO_PAGE_CACHE_KEY);
449 cache = g_new0 (EvHeightToPageCache, 1);
450 build_height_to_page (cache, view->document, view->rotation);
451 g_object_set_data_full (G_OBJECT (view->document),
452 EV_HEIGHT_TO_PAGE_CACHE_KEY,
454 (GDestroyNotify)ev_height_to_page_cache_free);
461 ev_view_get_height_to_page (EvView *view,
468 if (!view->height_to_page_cache)
471 ev_height_to_page_cache_get_height (view->height_to_page_cache,
477 *height = (gint)(h * view->scale + 0.5);
480 *dual_height = (gint)(dh * view->scale + 0.5);
484 scroll_to_point (EvView *view,
487 GtkOrientation orientation)
489 if (orientation == GTK_ORIENTATION_VERTICAL) {
490 if (view->continuous) {
491 gtk_adjustment_clamp_page (view->vadjustment,
492 y - view->spacing / 2,
493 y + view->vadjustment->page_size);
495 gtk_adjustment_set_value (view->vadjustment,
497 view->vadjustment->lower,
498 view->vadjustment->upper -
499 view->vadjustment->page_size));
502 if (view->dual_page) {
503 gtk_adjustment_clamp_page (view->hadjustment, x,
504 x + view->hadjustment->page_size);
506 gtk_adjustment_set_value (view->hadjustment,
508 view->hadjustment->lower,
509 view->hadjustment->upper -
510 view->hadjustment->page_size));
516 ev_view_scroll_to_page_position (EvView *view, GtkOrientation orientation)
523 if ((orientation == GTK_ORIENTATION_VERTICAL && view->pending_point.y == 0) ||
524 (orientation == GTK_ORIENTATION_HORIZONTAL && view->pending_point.x == 0)) {
525 GdkRectangle page_area;
528 get_page_extents (view, view->current_page, &page_area, &border);
534 doc_point_to_view_point (view, view->current_page,
535 &view->pending_point, &view_point);
540 scroll_to_point (view, x, y, orientation);
544 view_set_adjustment_values (EvView *view,
545 GtkOrientation orientation)
547 GtkWidget *widget = GTK_WIDGET (view);
548 GtkAdjustment *adjustment;
555 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
556 requisition = widget->requisition.width;
557 allocation = widget->allocation.width;
558 adjustment = view->hadjustment;
560 requisition = widget->requisition.height;
561 allocation = widget->allocation.height;
562 adjustment = view->vadjustment;
569 switch (view->pending_scroll) {
570 case SCROLL_TO_KEEP_POSITION:
571 case SCROLL_TO_FIND_LOCATION:
572 factor = (adjustment->value) / adjustment->upper;
574 case SCROLL_TO_PAGE_POSITION:
576 case SCROLL_TO_CENTER:
577 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
581 adjustment->page_size = allocation;
582 adjustment->step_increment = allocation * 0.1;
583 adjustment->page_increment = allocation * 0.9;
584 adjustment->lower = 0;
585 adjustment->upper = MAX (allocation, requisition);
588 * We add 0.5 to the values before to average out our rounding errors.
590 switch (view->pending_scroll) {
591 case SCROLL_TO_KEEP_POSITION:
592 case SCROLL_TO_FIND_LOCATION:
593 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
594 gtk_adjustment_set_value (adjustment, (int)new_value);
596 case SCROLL_TO_PAGE_POSITION:
597 ev_view_scroll_to_page_position (view, orientation);
599 case SCROLL_TO_CENTER:
600 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
601 0, adjustment->upper - adjustment->page_size);
602 gtk_adjustment_set_value (adjustment, (int)new_value);
606 gtk_adjustment_changed (adjustment);
610 view_update_range_and_current_page (EvView *view)
613 gint best_current_page = -1;
614 gint start = view->start_page;
615 gint end = view->end_page;
617 /* Presentation trumps all other modes */
618 if (view->presentation) {
619 view->start_page = view->current_page;
620 view->end_page = view->current_page;
621 } else if (view->continuous) {
622 GdkRectangle current_area, unused, page_area;
624 gboolean found = FALSE;
625 gint area_max = -1, area;
628 if (!(view->vadjustment && view->hadjustment))
631 current_area.x = view->hadjustment->value;
632 current_area.width = view->hadjustment->upper;
633 current_area.y = view->vadjustment->value;
634 current_area.height = view->vadjustment->page_size;
636 for (i = 0; i < ev_document_get_n_pages (view->document); i++) {
638 get_page_extents (view, i, &page_area, &border);
640 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
641 area = unused.width * unused.height;
645 view->start_page = i;
647 best_current_page = i;
649 if (area > area_max) {
650 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
655 } else if (found && view->current_page <= view->end_page) {
660 } else if (view->dual_page) {
661 if (view->current_page % 2 == get_dual_even_left (view)) {
662 view->start_page = view->current_page;
663 if (view->current_page + 1 < ev_document_get_n_pages (view->document))
664 view->end_page = view->start_page + 1;
666 view->end_page = view->start_page;
668 if (view->current_page < 1)
669 view->start_page = view->current_page;
671 view->start_page = view->current_page - 1;
672 view->end_page = view->current_page;
675 view->start_page = view->current_page;
676 view->end_page = view->current_page;
679 best_current_page = MAX (best_current_page, view->start_page);
680 current_page = ev_document_model_get_page (view->model);
682 if ((current_page != best_current_page) && (view->pending_scroll == SCROLL_TO_KEEP_POSITION)) {
683 view->current_page = best_current_page;
684 ev_document_model_set_page (view->model, best_current_page);
687 if (start != view->start_page || end != view->end_page) {
690 for (i = start; i < view->start_page; i++) {
691 hide_annotation_windows (view, i);
694 for (i = end; i > view->end_page; i--) {
695 hide_annotation_windows (view, i);
699 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
704 view->selection_info.selections);
708 set_scroll_adjustment (EvView *view,
709 GtkOrientation orientation,
710 GtkAdjustment *adjustment)
712 GtkAdjustment **to_set;
714 if (orientation == GTK_ORIENTATION_HORIZONTAL)
715 to_set = &view->hadjustment;
717 to_set = &view->vadjustment;
719 if (*to_set != adjustment) {
721 g_signal_handlers_disconnect_by_func (*to_set,
722 (gpointer) on_adjustment_value_changed,
724 g_object_unref (*to_set);
727 *to_set = adjustment;
728 view_set_adjustment_values (view, orientation);
731 g_object_ref (*to_set);
732 g_signal_connect (*to_set, "value_changed",
733 G_CALLBACK (on_adjustment_value_changed), view);
739 ev_view_set_scroll_adjustments (GtkLayout *layout,
740 GtkAdjustment *hadjustment,
741 GtkAdjustment *vadjustment)
743 EvView *view = EV_VIEW (layout);
745 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
746 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
748 on_adjustment_value_changed (NULL, view);
752 add_scroll_binding_keypad (GtkBindingSet *binding_set,
754 GdkModifierType modifiers,
755 GtkScrollType scroll,
758 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
760 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
761 "binding_activated", 2,
762 GTK_TYPE_SCROLL_TYPE, scroll,
763 G_TYPE_BOOLEAN, horizontal);
764 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
765 "binding_activated", 2,
766 GTK_TYPE_SCROLL_TYPE, scroll,
767 G_TYPE_BOOLEAN, horizontal);
771 compute_scroll_increment (EvView *view,
772 GtkScrollType scroll)
774 GtkWidget *widget = GTK_WIDGET (view);
775 GtkAdjustment *adjustment = view->vadjustment;
776 GdkRegion *text_region, *region;
779 EvRectangle doc_rect;
780 GdkRectangle page_area;
784 gdouble fraction = 1.0;
786 if (scroll != GTK_SCROLL_PAGE_BACKWARD && scroll != GTK_SCROLL_PAGE_FORWARD)
787 return adjustment->page_size;
789 page = scroll == GTK_SCROLL_PAGE_BACKWARD ? view->start_page : view->end_page;
791 text_region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
792 if (!text_region || gdk_region_empty (text_region))
793 return adjustment->page_size;
795 get_page_extents (view, page, &page_area, &border);
796 rect.x = page_area.x + view->scroll_x;
797 rect.y = view->scroll_y + (scroll == GTK_SCROLL_PAGE_BACKWARD ? 5 : widget->allocation.height - 5);
798 rect.width = page_area.width;
800 view_rect_to_doc_rect (view, &rect, &page_area, &doc_rect);
802 /* Convert the doc rectangle into a GdkRectangle */
803 rect.x = doc_rect.x1;
804 rect.y = doc_rect.y1;
805 rect.width = doc_rect.x2 - doc_rect.x1;
806 rect.height = MAX (1, doc_rect.y2 - doc_rect.y1);
807 region = gdk_region_rectangle (&rect);
809 gdk_region_intersect (region, text_region);
810 gdk_region_get_rectangles (region, &recs, &n_recs);
811 gdk_region_destroy (region);
816 ev_page = ev_document_get_page (view->document, page);
817 rc = ev_render_context_new (ev_page, view->rotation, view->scale);
818 g_object_unref (ev_page);
819 /* Get the selection region to know the height of the line */
820 doc_rect.x1 = doc_rect.x2 = recs[0].x + 0.5;
821 doc_rect.y1 = doc_rect.y2 = recs[0].y + 0.5;
823 ev_document_doc_mutex_lock ();
824 region = ev_selection_get_selection_region (EV_SELECTION (view->document),
825 rc, EV_SELECTION_STYLE_LINE,
827 ev_document_doc_mutex_unlock ();
831 gdk_region_get_rectangles (region, &recs, &n_recs);
832 gdk_region_destroy (region);
834 fraction = 1 - (recs[0].height / adjustment->page_size);
839 return adjustment->page_size * fraction;
844 ev_view_scroll (EvView *view,
845 GtkScrollType scroll,
848 GtkAdjustment *adjustment;
849 double value, increment;
850 gboolean first_page = FALSE;
851 gboolean last_page = FALSE;
853 view->jump_to_find_result = FALSE;
855 if (view->presentation || view->sizing_mode == EV_SIZING_BEST_FIT) {
857 case GTK_SCROLL_PAGE_BACKWARD:
858 case GTK_SCROLL_STEP_BACKWARD:
859 ev_view_previous_page (view);
861 case GTK_SCROLL_PAGE_FORWARD:
862 case GTK_SCROLL_STEP_FORWARD:
863 ev_view_next_page (view);
871 /* Assign values for increment and vertical adjustment */
872 adjustment = horizontal ? view->hadjustment : view->vadjustment;
873 value = adjustment->value;
875 /* Assign boolean for first and last page */
876 if (view->current_page == 0)
878 if (view->current_page == ev_document_get_n_pages (view->document) - 1)
882 case GTK_SCROLL_PAGE_BACKWARD:
883 /* Do not jump backwards if at the first page */
884 if (value == (adjustment->lower) && first_page) {
886 /* At the top of a page, assign the upper bound limit of previous page */
887 } else if (value == (adjustment->lower)) {
888 value = adjustment->upper - adjustment->page_size;
889 ev_view_previous_page (view);
890 /* Jump to the top */
892 increment = compute_scroll_increment (view, GTK_SCROLL_PAGE_BACKWARD);
893 value = MAX (value - increment, adjustment->lower);
896 case GTK_SCROLL_PAGE_FORWARD:
897 /* Do not jump forward if at the last page */
898 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
900 /* At the bottom of a page, assign the lower bound limit of next page */
901 } else if (value == (adjustment->upper - adjustment->page_size)) {
903 ev_view_next_page (view);
904 /* Jump to the bottom */
906 increment = compute_scroll_increment (view, GTK_SCROLL_PAGE_FORWARD);
907 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
910 case GTK_SCROLL_STEP_BACKWARD:
911 value -= adjustment->step_increment;
913 case GTK_SCROLL_STEP_FORWARD:
914 value += adjustment->step_increment;
916 case GTK_SCROLL_STEP_DOWN:
917 value -= adjustment->step_increment / 10;
919 case GTK_SCROLL_STEP_UP:
920 value += adjustment->step_increment / 10;
926 value = CLAMP (value, adjustment->lower,
927 adjustment->upper - adjustment->page_size);
929 gtk_adjustment_set_value (adjustment, value);
935 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
937 GtkWidget *widget = GTK_WIDGET (view);
938 GtkAdjustment *adjustment;
941 view->pending_scroll = SCROLL_TO_FIND_LOCATION;
943 adjustment = view->vadjustment;
945 if (rect->y < adjustment->value) {
946 value = MAX (adjustment->lower, rect->y - MARGIN);
947 gtk_adjustment_set_value (view->vadjustment, value);
948 } else if (rect->y + rect->height >
949 adjustment->value + widget->allocation.height) {
950 value = MIN (adjustment->upper, rect->y + rect->height -
951 widget->allocation.height + MARGIN);
952 gtk_adjustment_set_value (view->vadjustment, value);
955 adjustment = view->hadjustment;
957 if (rect->x < adjustment->value) {
958 value = MAX (adjustment->lower, rect->x - MARGIN);
959 gtk_adjustment_set_value (view->hadjustment, value);
960 } else if (rect->x + rect->height >
961 adjustment->value + widget->allocation.width) {
962 value = MIN (adjustment->upper, rect->x + rect->width -
963 widget->allocation.width + MARGIN);
964 gtk_adjustment_set_value (view->hadjustment, value);
967 gtk_widget_queue_resize (GTK_WIDGET (view));
970 /*** Geometry computations ***/
973 compute_border (EvView *view, int width, int height, GtkBorder *border)
975 if (view->presentation) {
981 ev_document_misc_get_page_border_size (width, height, border);
986 _get_page_size_for_scale_and_rotation (EvDocument *document,
996 ev_document_get_page_size (document, page, &w, &h);
998 width = (gint)(w * scale + 0.5);
999 height = (gint)(h * scale + 0.5);
1002 *page_width = (rotation == 0 || rotation == 180) ? width : height;
1004 *page_height = (rotation == 0 || rotation == 180) ? height : width;
1008 ev_view_get_page_size (EvView *view,
1013 _get_page_size_for_scale_and_rotation (view->document,
1022 ev_view_get_max_page_size (EvView *view,
1029 ev_document_get_max_page_size (view->document, &w, &h);
1031 width = (gint)(w * view->scale + 0.5);
1032 height = (gint)(h * view->scale + 0.5);
1035 *max_width = (view->rotation == 0 || view->rotation == 180) ? width : height;
1037 *max_height = (view->rotation == 0 || view->rotation == 180) ? height : width;
1041 get_page_y_offset (EvView *view, int page, int *y_offset)
1043 int max_width, offset;
1046 g_return_if_fail (y_offset != NULL);
1048 ev_view_get_max_page_size (view, &max_width, NULL);
1049 compute_border (view, max_width, max_width, &border);
1051 if (view->dual_page) {
1052 ev_view_get_height_to_page (view, page, NULL, &offset);
1053 offset += ((page + get_dual_even_left (view)) / 2 + 1) * view->spacing +
1054 ((page + get_dual_even_left (view)) / 2 ) * (border.top + border.bottom);
1056 ev_view_get_height_to_page (view, page, &offset, NULL);
1057 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
1065 get_page_extents (EvView *view,
1067 GdkRectangle *page_area,
1073 widget = GTK_WIDGET (view);
1075 /* Get the size of the page */
1076 ev_view_get_page_size (view, page, &width, &height);
1077 compute_border (view, width, height, border);
1078 page_area->width = width + border->left + border->right;
1079 page_area->height = height + border->top + border->bottom;
1081 if (view->presentation) {
1082 page_area->x = (MAX (0, widget->allocation.width - width))/2;
1083 page_area->y = (MAX (0, widget->allocation.height - height))/2;
1084 } else if (view->continuous) {
1088 ev_view_get_max_page_size (view, &max_width, NULL);
1089 max_width = max_width + border->left + border->right;
1090 /* Get the location of the bounding box */
1091 if (view->dual_page) {
1092 x = view->spacing + ((page % 2 == get_dual_even_left (view)) ? 0 : 1) * (max_width + view->spacing);
1093 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
1094 if (page % 2 == get_dual_even_left (view))
1095 x = x + (max_width - width - border->left - border->right);
1098 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
1101 get_page_y_offset (view, page, &y);
1107 if (view->dual_page) {
1108 gint width_2, height_2;
1109 gint max_width = width;
1110 gint max_height = height;
1111 GtkBorder overall_border;
1114 other_page = (page % 2 == get_dual_even_left (view)) ? page + 1: page - 1;
1116 /* First, we get the bounding box of the two pages */
1117 if (other_page < ev_document_get_n_pages (view->document)
1118 && (0 <= other_page)) {
1119 ev_view_get_page_size (view, other_page,
1120 &width_2, &height_2);
1121 if (width_2 > width)
1122 max_width = width_2;
1123 if (height_2 > height)
1124 max_height = height_2;
1126 compute_border (view, max_width, max_height, &overall_border);
1128 /* Find the offsets */
1132 /* Adjust for being the left or right page */
1133 if (page % 2 == get_dual_even_left (view))
1134 x = x + max_width - width;
1136 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
1138 y = y + (max_height - height)/2;
1140 /* Adjust for extra allocation */
1141 x = x + MAX (0, widget->allocation.width -
1142 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
1143 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
1148 /* Adjust for extra allocation */
1149 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
1150 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
1161 get_doc_page_size (EvView *view,
1168 ev_document_get_page_size (view->document, page, &w, &h);
1169 if (view->rotation == 0 || view->rotation == 180) {
1170 if (width) *width = w;
1171 if (height) *height = h;
1173 if (width) *width = h;
1174 if (height) *height = w;
1179 view_point_to_doc_point (EvView *view,
1180 GdkPoint *view_point,
1181 GdkRectangle *page_area,
1182 double *doc_point_x,
1183 double *doc_point_y)
1185 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
1186 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
1190 view_rect_to_doc_rect (EvView *view,
1191 GdkRectangle *view_rect,
1192 GdkRectangle *page_area,
1193 EvRectangle *doc_rect)
1195 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
1196 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
1197 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
1198 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
1202 doc_point_to_view_point (EvView *view,
1205 GdkPoint *view_point)
1207 GdkRectangle page_area;
1209 double x, y, view_x, view_y;
1210 gdouble width, height;
1212 get_doc_page_size (view, page, &width, &height);
1214 if (view->rotation == 0) {
1217 } else if (view->rotation == 90) {
1218 x = width - doc_point->y;
1220 } else if (view->rotation == 180) {
1221 x = width - doc_point->x;
1222 y = height - doc_point->y;
1223 } else if (view->rotation == 270) {
1225 y = height - doc_point->x;
1227 g_assert_not_reached ();
1230 get_page_extents (view, page, &page_area, &border);
1232 view_x = CLAMP (x * view->scale, 0, page_area.width);
1233 view_y = CLAMP (y * view->scale, 0, page_area.height);
1234 view_point->x = view_x + page_area.x;
1235 view_point->y = view_y + page_area.y;
1239 doc_rect_to_view_rect (EvView *view,
1241 EvRectangle *doc_rect,
1242 GdkRectangle *view_rect)
1244 GdkRectangle page_area;
1247 gdouble width, height;
1249 get_doc_page_size (view, page, &width, &height);
1251 if (view->rotation == 0) {
1254 w = doc_rect->x2 - doc_rect->x1;
1255 h = doc_rect->y2 - doc_rect->y1;
1256 } else if (view->rotation == 90) {
1257 x = width - doc_rect->y2;
1259 w = doc_rect->y2 - doc_rect->y1;
1260 h = doc_rect->x2 - doc_rect->x1;
1261 } else if (view->rotation == 180) {
1262 x = width - doc_rect->x2;
1263 y = height - doc_rect->y2;
1264 w = doc_rect->x2 - doc_rect->x1;
1265 h = doc_rect->y2 - doc_rect->y1;
1266 } else if (view->rotation == 270) {
1268 y = height - doc_rect->x2;
1269 w = doc_rect->y2 - doc_rect->y1;
1270 h = doc_rect->x2 - doc_rect->x1;
1272 g_assert_not_reached ();
1275 get_page_extents (view, page, &page_area, &border);
1277 view_rect->x = x * view->scale + page_area.x;
1278 view_rect->y = y * view->scale + page_area.y;
1279 view_rect->width = w * view->scale;
1280 view_rect->height = h * view->scale;
1284 get_dual_even_left (EvView *view)
1286 return (ev_document_get_n_pages (view->document) > 2);
1290 find_page_at_location (EvView *view,
1299 if (view->document == NULL)
1303 g_assert (x_offset);
1304 g_assert (y_offset);
1306 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
1307 GdkRectangle page_area;
1310 if (! get_page_extents (view, i, &page_area, &border))
1313 if ((x >= page_area.x + border.left) &&
1314 (x < page_area.x + page_area.width - border.right) &&
1315 (y >= page_area.y + border.top) &&
1316 (y < page_area.y + page_area.height - border.bottom)) {
1318 *x_offset = x - (page_area.x + border.left);
1319 *y_offset = y - (page_area.y + border.top);
1328 location_in_text (EvView *view,
1334 gint x_offset = 0, y_offset = 0;
1336 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1341 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
1344 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1350 ev_view_get_width (EvView *view)
1352 return GTK_WIDGET (view)->allocation.width;
1356 ev_view_get_height (EvView *view)
1358 return GTK_WIDGET (view)->allocation.height;
1362 location_in_selected_text (EvView *view,
1367 gint x_offset = 0, y_offset = 0;
1368 EvViewSelection *selection;
1371 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1372 selection = (EvViewSelection *)l->data;
1374 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1376 if (page != selection->page)
1379 if (selection->covered_region &&
1380 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1388 get_doc_point_from_offset (EvView *view,
1395 gdouble width, height;
1398 get_doc_page_size (view, page, &width, &height);
1400 x_offset = x_offset / view->scale;
1401 y_offset = y_offset / view->scale;
1403 if (view->rotation == 0) {
1406 } else if (view->rotation == 90) {
1408 y = width - x_offset;
1409 } else if (view->rotation == 180) {
1410 x = width - x_offset;
1411 y = height - y_offset;
1412 } else if (view->rotation == 270) {
1413 x = height - y_offset;
1416 g_assert_not_reached ();
1426 get_doc_point_from_location (EvView *view,
1433 gint x_offset = 0, y_offset = 0;
1435 x += view->scroll_x;
1436 y += view->scroll_y;
1437 find_page_at_location (view, x, y, page, &x_offset, &y_offset);
1441 return get_doc_point_from_offset (view, *page, x_offset, y_offset, x_new, y_new);
1445 ev_view_get_area_from_mapping (EvView *view,
1447 GList *mapping_list,
1453 mapping = ev_mapping_list_find (mapping_list, data);
1454 doc_rect_to_view_rect (view, page, &mapping->area, area);
1455 area->x -= view->scroll_x;
1456 area->y -= view->scroll_y;
1462 ev_view_get_link_at_location (EvView *view,
1467 gint x_new = 0, y_new = 0;
1468 GList *link_mapping;
1470 if (!EV_IS_DOCUMENT_LINKS (view->document))
1473 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1476 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1479 return ev_mapping_list_get_data (link_mapping, x_new, y_new);
1485 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1488 gdouble zoom, left, top;
1489 gboolean change_left, change_top;
1491 left = ev_link_dest_get_left (dest, &change_left);
1492 top = ev_link_dest_get_top (dest, &change_top);
1494 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - left,
1495 ev_link_dest_get_bottom (dest) - top,
1496 ev_view_get_width (view),
1497 ev_view_get_height (view));
1499 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1500 ev_document_model_set_scale (view->model, zoom);
1502 doc_point.x = change_left ? left : 0;
1503 doc_point.y = change_top ? top : 0;
1504 view->pending_point = doc_point;
1506 ev_view_change_page (view, ev_link_dest_get_page (dest), TRUE);
1510 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1513 gdouble doc_width, doc_height;
1516 gboolean change_left;
1518 page = ev_link_dest_get_page (dest);
1519 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1521 left = ev_link_dest_get_left (dest, &change_left);
1522 doc_point.x = change_left ? left : 0;
1525 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1526 ev_view_get_width (view),
1527 ev_view_get_height (view));
1529 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1530 ev_document_model_set_scale (view->model, zoom);
1532 view->pending_point = doc_point;
1534 ev_view_change_page (view, page, TRUE);
1538 goto_fith_dest (EvView *view, EvLinkDest *dest)
1541 gdouble doc_width, doc_height;
1544 gboolean change_top;
1546 page = ev_link_dest_get_page (dest);
1547 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1549 top = ev_link_dest_get_top (dest, &change_top);
1552 doc_point.y = change_top ? top : 0;
1554 zoom = zoom_for_size_fit_width (doc_width, top,
1555 ev_view_get_width (view),
1556 ev_view_get_height (view));
1558 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FIT_WIDTH);
1559 ev_document_model_set_scale (view->model, zoom);
1561 view->pending_point = doc_point;
1563 ev_view_change_page (view, page, TRUE);
1567 goto_fit_dest (EvView *view, EvLinkDest *dest)
1570 gdouble doc_width, doc_height;
1573 page = ev_link_dest_get_page (dest);
1574 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1576 zoom = zoom_for_size_best_fit (doc_width, doc_height,
1577 ev_view_get_width (view),
1578 ev_view_get_height (view));
1580 ev_document_model_set_sizing_mode (view->model, EV_SIZING_BEST_FIT);
1581 ev_document_model_set_scale (view->model, zoom);
1583 ev_view_change_page (view, page, TRUE);
1587 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1591 gdouble zoom, left, top;
1592 gboolean change_zoom, change_left, change_top;
1594 zoom = ev_link_dest_get_zoom (dest, &change_zoom);
1595 page = ev_link_dest_get_page (dest);
1597 if (change_zoom && zoom > 1) {
1598 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1599 ev_document_model_set_scale (view->model, zoom);
1602 left = ev_link_dest_get_left (dest, &change_left);
1603 top = ev_link_dest_get_top (dest, &change_top);
1605 doc_point.x = change_left ? left : 0;
1606 doc_point.y = change_top ? top : 0;
1607 view->pending_point = doc_point;
1609 ev_view_change_page (view, page, TRUE);
1613 goto_dest (EvView *view, EvLinkDest *dest)
1615 EvLinkDestType type;
1616 int page, n_pages, current_page;
1618 page = ev_link_dest_get_page (dest);
1619 n_pages = ev_document_get_n_pages (view->document);
1621 if (page < 0 || page >= n_pages)
1624 current_page = view->current_page;
1626 type = ev_link_dest_get_dest_type (dest);
1629 case EV_LINK_DEST_TYPE_PAGE:
1630 ev_document_model_set_page (view->model, page);
1632 case EV_LINK_DEST_TYPE_FIT:
1633 goto_fit_dest (view, dest);
1635 case EV_LINK_DEST_TYPE_FITH:
1636 goto_fith_dest (view, dest);
1638 case EV_LINK_DEST_TYPE_FITV:
1639 goto_fitv_dest (view, dest);
1641 case EV_LINK_DEST_TYPE_FITR:
1642 goto_fitr_dest (view, dest);
1644 case EV_LINK_DEST_TYPE_XYZ:
1645 goto_xyz_dest (view, dest);
1647 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1648 ev_document_model_set_page_by_label (view->model, ev_link_dest_get_page_label (dest));
1651 g_assert_not_reached ();
1654 if (current_page != view->current_page)
1655 ev_document_model_set_page (view->model, view->current_page);
1659 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1661 EvLinkDestType type;
1663 type = ev_link_dest_get_dest_type (dest);
1665 if (type == EV_LINK_DEST_TYPE_NAMED) {
1667 const gchar *named_dest;
1669 named_dest = ev_link_dest_get_named_dest (dest);
1670 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1673 goto_dest (view, dest2);
1674 g_object_unref (dest2);
1680 goto_dest (view, dest);
1684 ev_view_handle_link (EvView *view, EvLink *link)
1686 EvLinkAction *action = NULL;
1687 EvLinkActionType type;
1689 action = ev_link_get_action (link);
1693 type = ev_link_action_get_action_type (action);
1696 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1699 g_signal_emit (view, signals[SIGNAL_HANDLE_LINK], 0, link);
1701 dest = ev_link_action_get_dest (action);
1702 ev_view_goto_dest (view, dest);
1705 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1706 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1707 case EV_LINK_ACTION_TYPE_LAUNCH:
1708 case EV_LINK_ACTION_TYPE_NAMED:
1709 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1715 ev_view_page_label_from_dest (EvView *view, EvLinkDest *dest)
1717 EvLinkDestType type;
1720 type = ev_link_dest_get_dest_type (dest);
1723 case EV_LINK_DEST_TYPE_NAMED: {
1725 const gchar *named_dest;
1727 named_dest = ev_link_dest_get_named_dest (dest);
1728 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1731 msg = ev_document_get_page_label (view->document,
1732 ev_link_dest_get_page (dest2));
1733 g_object_unref (dest2);
1738 case EV_LINK_DEST_TYPE_PAGE_LABEL: {
1739 msg = g_strdup (ev_link_dest_get_page_label (dest));
1743 msg = ev_document_get_page_label (view->document,
1744 ev_link_dest_get_page (dest));
1751 tip_from_action_named (EvLinkAction *action)
1753 const gchar *name = ev_link_action_get_name (action);
1755 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1756 return g_strdup (_("Go to first page"));
1757 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1758 return g_strdup (_("Go to previous page"));
1759 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1760 return g_strdup (_("Go to next page"));
1761 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1762 return g_strdup (_("Go to last page"));
1763 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1764 return g_strdup (_("Go to page"));
1765 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1766 return g_strdup (_("Find"));
1773 tip_from_link (EvView *view, EvLink *link)
1775 EvLinkAction *action;
1776 EvLinkActionType type;
1781 action = ev_link_get_action (link);
1782 title = ev_link_get_title (link);
1785 return title ? g_strdup (title) : NULL;
1787 type = ev_link_action_get_action_type (action);
1790 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1791 page_label = ev_view_page_label_from_dest (view,
1792 ev_link_action_get_dest (action));
1794 msg = g_strdup_printf (_("Go to page %s"), page_label);
1795 g_free (page_label);
1798 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1800 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1801 ev_link_action_get_filename (action));
1803 msg = g_strdup_printf (_("Go to file “%s”"),
1804 ev_link_action_get_filename (action));
1807 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1808 msg = g_strdup (ev_link_action_get_uri (action));
1810 case EV_LINK_ACTION_TYPE_LAUNCH:
1811 msg = g_strdup_printf (_("Launch %s"),
1812 ev_link_action_get_filename (action));
1814 case EV_LINK_ACTION_TYPE_NAMED:
1815 msg = tip_from_action_named (action);
1819 msg = g_strdup (title);
1827 ev_view_handle_cursor_over_xy (EvView *view, gint x, gint y)
1831 EvAnnotation *annot = NULL;
1833 if (view->cursor == EV_VIEW_CURSOR_HIDDEN)
1836 if (view->drag_info.in_drag) {
1837 if (view->cursor != EV_VIEW_CURSOR_DRAG)
1838 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1842 if (view->scroll_info.autoscrolling) {
1843 if (view->cursor != EV_VIEW_CURSOR_AUTOSCROLL)
1844 ev_view_set_cursor (view, EV_VIEW_CURSOR_AUTOSCROLL);
1848 link = ev_view_get_link_at_location (view, x, y);
1850 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1851 } else if ((field = ev_view_get_form_field_at_location (view, x, y))) {
1852 if (field->is_read_only) {
1853 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1854 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1855 view->cursor == EV_VIEW_CURSOR_DRAG)
1856 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1857 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
1858 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1860 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1862 } else if ((annot = ev_view_get_annotation_at_location (view, x, y))) {
1863 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1864 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1865 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1867 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1868 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1869 view->cursor == EV_VIEW_CURSOR_DRAG ||
1870 view->cursor == EV_VIEW_CURSOR_AUTOSCROLL)
1871 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1875 g_object_set (view, "has-tooltip", TRUE, NULL);
1880 ev_view_get_image_at_location (EvView *view,
1885 gint x_new = 0, y_new = 0;
1886 GList *image_mapping;
1888 if (!EV_IS_DOCUMENT_IMAGES (view->document))
1891 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1894 image_mapping = ev_pixbuf_cache_get_image_mapping (view->pixbuf_cache, page);
1897 return ev_mapping_list_get_data (image_mapping, x_new, y_new);
1903 static EvFormField *
1904 ev_view_get_form_field_at_location (EvView *view,
1909 gint x_new = 0, y_new = 0;
1910 GList *forms_mapping;
1912 if (!EV_IS_DOCUMENT_FORMS (view->document))
1915 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1918 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, page);
1921 return ev_mapping_list_get_data (forms_mapping, x_new, y_new);
1927 ev_view_form_field_get_region (EvView *view,
1930 GdkRectangle view_area;
1931 GList *forms_mapping;
1933 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
1934 field->page->index);
1935 ev_view_get_area_from_mapping (view, field->page->index,
1939 return gdk_region_rectangle (&view_area);
1943 ev_view_forms_remove_widgets (EvView *view)
1945 ev_view_remove_all (view);
1951 ev_view_form_field_destroy (GtkWidget *widget,
1954 g_idle_add ((GSourceFunc)ev_view_forms_remove_widgets, view);
1958 ev_view_form_field_button_create_widget (EvView *view,
1961 EvFormFieldButton *field_button = EV_FORM_FIELD_BUTTON (field);
1962 GdkRegion *field_region = NULL;
1964 switch (field_button->type) {
1965 case EV_FORM_FIELD_BUTTON_PUSH:
1967 case EV_FORM_FIELD_BUTTON_CHECK:
1968 case EV_FORM_FIELD_BUTTON_RADIO: {
1970 GList *forms_mapping, *l;
1972 state = ev_document_forms_form_field_button_get_state (EV_DOCUMENT_FORMS (view->document),
1975 /* FIXME: it actually depends on NoToggleToOff flags */
1976 if (field_button->type == EV_FORM_FIELD_BUTTON_RADIO &&
1977 state && field_button->state)
1980 field_region = ev_view_form_field_get_region (view, field);
1982 /* For radio buttons and checkbox buttons that are in a set
1983 * we need to update also the region for the current selected item
1985 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
1986 field->page->index);
1987 for (l = forms_mapping; l; l = g_list_next (l)) {
1988 EvFormField *button = ((EvMapping *)(l->data))->data;
1989 GdkRegion *button_region;
1991 if (button->id == field->id)
1994 /* FIXME: only buttons in the same group should be updated */
1995 if (!EV_IS_FORM_FIELD_BUTTON (button) ||
1996 EV_FORM_FIELD_BUTTON (button)->type != field_button->type ||
1997 EV_FORM_FIELD_BUTTON (button)->state != TRUE)
2000 button_region = ev_view_form_field_get_region (view, button);
2001 gdk_region_union (field_region, button_region);
2002 gdk_region_destroy (button_region);
2005 ev_document_forms_form_field_button_set_state (EV_DOCUMENT_FORMS (view->document),
2007 field_button->state = !state;
2012 ev_view_reload_page (view, field->page->index, field_region);
2013 gdk_region_destroy (field_region);
2019 ev_view_form_field_text_save (EvView *view,
2024 if (!view->document)
2027 field = g_object_get_data (G_OBJECT (widget), "form-field");
2029 if (field->changed) {
2030 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2031 GdkRegion *field_region;
2033 field_region = ev_view_form_field_get_region (view, field);
2035 ev_document_forms_form_field_text_set_text (EV_DOCUMENT_FORMS (view->document),
2036 field, field_text->text);
2037 field->changed = FALSE;
2038 ev_view_reload_page (view, field->page->index, field_region);
2039 gdk_region_destroy (field_region);
2044 ev_view_form_field_text_changed (GtkWidget *widget,
2047 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2050 if (GTK_IS_ENTRY (widget)) {
2051 text = g_strdup (gtk_entry_get_text (GTK_ENTRY (widget)));
2052 } else if (GTK_IS_TEXT_BUFFER (widget)) {
2053 GtkTextIter start, end;
2055 gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (widget), &start, &end);
2056 text = gtk_text_buffer_get_text (GTK_TEXT_BUFFER (widget),
2057 &start, &end, FALSE);
2060 if (!field_text->text ||
2061 (field_text->text && g_ascii_strcasecmp (field_text->text, text) != 0)) {
2062 g_free (field_text->text);
2063 field_text->text = text;
2064 field->changed = TRUE;
2069 ev_view_form_field_text_create_widget (EvView *view,
2072 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2073 GtkWidget *text = NULL;
2076 txt = ev_document_forms_form_field_text_get_text (EV_DOCUMENT_FORMS (view->document),
2079 switch (field_text->type) {
2080 case EV_FORM_FIELD_TEXT_FILE_SELECT:
2082 case EV_FORM_FIELD_TEXT_NORMAL:
2083 text = gtk_entry_new ();
2084 gtk_entry_set_has_frame (GTK_ENTRY (text), FALSE);
2085 gtk_entry_set_max_length (GTK_ENTRY (text), field_text->max_len);
2086 gtk_entry_set_visibility (GTK_ENTRY (text), !field_text->is_password);
2089 gtk_entry_set_text (GTK_ENTRY (text), txt);
2093 g_signal_connect (text, "changed",
2094 G_CALLBACK (ev_view_form_field_text_changed),
2096 g_signal_connect_after (text, "activate",
2097 G_CALLBACK (ev_view_form_field_destroy),
2100 case EV_FORM_FIELD_TEXT_MULTILINE: {
2101 GtkTextBuffer *buffer;
2103 text = gtk_text_view_new ();
2104 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text));
2107 gtk_text_buffer_set_text (buffer, txt, -1);
2111 g_signal_connect (buffer, "changed",
2112 G_CALLBACK (ev_view_form_field_text_changed),
2118 g_object_weak_ref (G_OBJECT (text),
2119 (GWeakNotify)ev_view_form_field_text_save,
2126 ev_view_form_field_choice_save (EvView *view,
2131 if (!view->document)
2134 field = g_object_get_data (G_OBJECT (widget), "form-field");
2136 if (field->changed) {
2138 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2139 GdkRegion *field_region;
2141 field_region = ev_view_form_field_get_region (view, field);
2143 if (field_choice->is_editable) {
2144 ev_document_forms_form_field_choice_set_text (EV_DOCUMENT_FORMS (view->document),
2145 field, field_choice->text);
2147 ev_document_forms_form_field_choice_unselect_all (EV_DOCUMENT_FORMS (view->document), field);
2148 for (l = field_choice->selected_items; l; l = g_list_next (l)) {
2149 ev_document_forms_form_field_choice_select_item (EV_DOCUMENT_FORMS (view->document),
2151 GPOINTER_TO_INT (l->data));
2154 field->changed = FALSE;
2155 ev_view_reload_page (view, field->page->index, field_region);
2156 gdk_region_destroy (field_region);
2161 ev_view_form_field_choice_changed (GtkWidget *widget,
2164 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2166 if (GTK_IS_COMBO_BOX (widget)) {
2169 item = gtk_combo_box_get_active (GTK_COMBO_BOX (widget));
2170 if (!field_choice->selected_items ||
2171 GPOINTER_TO_INT (field_choice->selected_items->data) != item) {
2172 g_list_free (field_choice->selected_items);
2173 field_choice->selected_items = NULL;
2174 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2175 GINT_TO_POINTER (item));
2176 field->changed = TRUE;
2179 if (GTK_IS_COMBO_BOX_ENTRY (widget)) {
2182 text = gtk_combo_box_get_active_text (GTK_COMBO_BOX (widget));
2183 if (!field_choice->text ||
2184 (field_choice->text && g_ascii_strcasecmp (field_choice->text, text) != 0)) {
2185 g_free (field_choice->text);
2186 field_choice->text = text;
2187 field->changed = TRUE;
2190 } else if (GTK_IS_TREE_SELECTION (widget)) {
2191 GtkTreeSelection *selection = GTK_TREE_SELECTION (widget);
2192 GtkTreeModel *model;
2195 items = gtk_tree_selection_get_selected_rows (selection, &model);
2196 g_list_free (field_choice->selected_items);
2197 field_choice->selected_items = NULL;
2199 for (l = items; l && l->data; l = g_list_next (l)) {
2201 GtkTreePath *path = (GtkTreePath *)l->data;
2204 gtk_tree_model_get_iter (model, &iter, path);
2205 gtk_tree_model_get (model, &iter, 1, &item, -1);
2207 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2208 GINT_TO_POINTER (item));
2210 gtk_tree_path_free (path);
2213 g_list_free (items);
2215 field->changed = TRUE;
2220 ev_view_form_field_choice_create_widget (EvView *view,
2223 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2225 GtkTreeModel *model;
2227 gint selected_item = 0;
2229 n_items = ev_document_forms_form_field_choice_get_n_items (EV_DOCUMENT_FORMS (view->document),
2231 model = GTK_TREE_MODEL (gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT));
2232 for (i = 0; i < n_items; i++) {
2236 item = ev_document_forms_form_field_choice_get_item (EV_DOCUMENT_FORMS (view->document),
2238 if (ev_document_forms_form_field_choice_is_item_selected (
2239 EV_DOCUMENT_FORMS (view->document), field, i)) {
2241 /* FIXME: we need a get_selected_items function in poppler */
2242 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2243 GINT_TO_POINTER (i));
2247 gtk_list_store_append (GTK_LIST_STORE (model), &iter);
2248 gtk_list_store_set (GTK_LIST_STORE (model), &iter,
2256 if (field_choice->type == EV_FORM_FIELD_CHOICE_LIST) {
2257 GtkCellRenderer *renderer;
2258 GtkWidget *tree_view;
2259 GtkTreeSelection *selection;
2261 tree_view = gtk_tree_view_new_with_model (model);
2262 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);
2264 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
2265 if (field_choice->multi_select) {
2266 gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
2269 /* TODO: set selected items */
2271 renderer = gtk_cell_renderer_text_new ();
2272 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
2278 choice = gtk_scrolled_window_new (NULL, NULL);
2279 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (choice),
2280 GTK_POLICY_AUTOMATIC,
2281 GTK_POLICY_AUTOMATIC);
2282 gtk_container_add (GTK_CONTAINER (choice), tree_view);
2283 gtk_widget_show (tree_view);
2285 g_signal_connect (selection, "changed",
2286 G_CALLBACK (ev_view_form_field_choice_changed),
2288 g_signal_connect_after (selection, "changed",
2289 G_CALLBACK (ev_view_form_field_destroy),
2291 } else if (field_choice->is_editable) { /* ComboBoxEntry */
2294 choice = gtk_combo_box_entry_new_with_model (model, 0);
2295 text = ev_document_forms_form_field_choice_get_text (EV_DOCUMENT_FORMS (view->document), field);
2297 gtk_entry_set_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (choice))), text);
2301 g_signal_connect (choice, "changed",
2302 G_CALLBACK (ev_view_form_field_choice_changed),
2304 g_signal_connect_after (GTK_BIN(choice)->child, "activate",
2305 G_CALLBACK (ev_view_form_field_destroy),
2307 } else { /* ComboBoxText */
2308 GtkCellRenderer *renderer;
2310 choice = gtk_combo_box_new_with_model (model);
2311 renderer = gtk_cell_renderer_text_new ();
2312 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (choice),
2314 gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (choice),
2318 gtk_combo_box_set_active (GTK_COMBO_BOX (choice), selected_item);
2319 gtk_combo_box_popup (GTK_COMBO_BOX (choice));
2321 g_signal_connect (choice, "changed",
2322 G_CALLBACK (ev_view_form_field_choice_changed),
2324 g_signal_connect_after (choice, "changed",
2325 G_CALLBACK (ev_view_form_field_destroy),
2329 g_object_unref (model);
2331 g_object_weak_ref (G_OBJECT (choice),
2332 (GWeakNotify)ev_view_form_field_choice_save,
2339 ev_view_handle_form_field (EvView *view,
2344 GtkWidget *field_widget = NULL;
2345 GList *form_field_mapping;
2346 GdkRectangle view_area;
2348 if (field->is_read_only)
2351 if (EV_IS_FORM_FIELD_BUTTON (field)) {
2352 field_widget = ev_view_form_field_button_create_widget (view, field);
2353 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
2354 field_widget = ev_view_form_field_text_create_widget (view, field);
2355 } else if (EV_IS_FORM_FIELD_CHOICE (field)) {
2356 field_widget = ev_view_form_field_choice_create_widget (view, field);
2357 } else if (EV_IS_FORM_FIELD_SIGNATURE (field)) {
2361 /* Form field doesn't require a widget */
2365 g_object_set_data_full (G_OBJECT (field_widget), "form-field",
2366 g_object_ref (field),
2367 (GDestroyNotify)g_object_unref);
2369 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, field->page->index);
2370 ev_view_get_area_from_mapping (view, field->page->index,
2374 gtk_layout_put (GTK_LAYOUT (view), field_widget, view_area.x, view_area.y);
2375 gtk_widget_show (field_widget);
2376 gtk_widget_grab_focus (field_widget);
2380 static EvViewWindowChild *
2381 ev_view_get_window_child (EvView *view,
2384 GList *children = view->window_children;
2387 EvViewWindowChild *child;
2389 child = (EvViewWindowChild *)children->data;
2390 children = children->next;
2392 if (child->window == window)
2400 ev_view_window_child_move (EvView *view,
2401 EvViewWindowChild *child,
2407 gtk_window_move (GTK_WINDOW (child->window),
2408 MAX (child->parent_x, x),
2409 MAX (child->parent_y, y));
2413 ev_view_window_child_move_with_parent (EvView *view,
2416 EvViewWindowChild *child;
2417 gint root_x, root_y;
2419 child = ev_view_get_window_child (view, window);
2420 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2422 if (root_x != child->parent_x || root_y != child->parent_y) {
2423 gint dest_x, dest_y;
2425 dest_x = child->x + (root_x - child->parent_x);
2426 dest_y = child->y + (root_y - child->parent_y);
2427 child->parent_x = root_x;
2428 child->parent_y = root_y;
2429 ev_view_window_child_move (view, child, dest_x, dest_y);
2432 if (child->visible && !GTK_WIDGET_VISIBLE (window))
2433 gtk_widget_show (window);
2437 ev_view_window_child_put (EvView *view,
2445 EvViewWindowChild *child;
2446 gint root_x, root_y;
2448 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2451 child = g_new0 (EvViewWindowChild, 1);
2452 child->window = window;
2454 child->orig_x = orig_x;
2455 child->orig_y = orig_y;
2456 child->parent_x = root_x;
2457 child->parent_y = root_y;
2458 child->visible = ev_annotation_window_is_open (EV_ANNOTATION_WINDOW (window));
2459 ev_view_window_child_move (view, child, x + root_x, y + root_y);
2462 gtk_widget_show (window);
2464 gtk_widget_hide (window);
2466 view->window_children = g_list_append (view->window_children, child);
2469 static EvViewWindowChild *
2470 ev_view_find_window_child_for_annot (EvView *view,
2472 EvAnnotation *annot)
2474 GList *children = view->window_children;
2477 EvViewWindowChild *child;
2478 EvAnnotation *wannot;
2480 child = (EvViewWindowChild *)children->data;
2481 children = children->next;
2483 if (child->page != page)
2486 wannot = ev_annotation_window_get_annotation (EV_ANNOTATION_WINDOW (child->window));
2487 if (wannot == annot || strcmp (wannot->name, annot->name) == 0)
2495 ev_view_window_children_free (EvView *view)
2499 if (!view->window_children)
2502 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
2503 EvViewWindowChild *child;
2505 child = (EvViewWindowChild *)l->data;
2506 gtk_widget_destroy (GTK_WIDGET (child->window));
2509 g_list_free (view->window_children);
2510 view->window_children = NULL;
2511 view->window_child_focus = NULL;
2515 annotation_window_grab_focus (GtkWidget *widget,
2518 if (view->window_child_focus)
2519 ev_annotation_window_ungrab_focus (EV_ANNOTATION_WINDOW (view->window_child_focus->window));
2520 view->window_child_focus = ev_view_get_window_child (view, widget);
2524 annotation_window_closed (EvAnnotationWindow *window,
2527 EvViewWindowChild *child;
2529 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2530 child->visible = FALSE;
2534 annotation_window_moved (EvAnnotationWindow *window,
2539 EvViewWindowChild *child;
2540 GdkRectangle page_area;
2542 GdkRectangle view_rect;
2543 EvRectangle doc_rect;
2546 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2547 if (child->x == x && child->y == y)
2550 child->moved = TRUE;
2554 /* Window has been moved by the user,
2555 * we have to set a new origin in doc coords
2557 gtk_window_get_size (GTK_WINDOW (window), &width, &height);
2558 view_rect.x = (x - child->parent_x) + view->scroll_x;
2559 view_rect.y = (y - child->parent_y) + view->scroll_y;
2560 view_rect.width = width;
2561 view_rect.height = height;
2563 get_page_extents (view, child->page, &page_area, &border);
2564 view_rect_to_doc_rect (view, &view_rect, &page_area, &doc_rect);
2565 child->orig_x = doc_rect.x1;
2566 child->orig_y = doc_rect.y1;
2570 ev_view_annotation_save (EvView *view,
2571 EvAnnotation *annot)
2573 if (!view->document)
2576 if (!annot->changed)
2579 ev_document_annotations_annotation_set_contents (EV_DOCUMENT_ANNOTATIONS (view->document),
2580 annot, annot->contents);
2581 annot->changed = FALSE;
2585 show_annotation_windows (EvView *view,
2591 parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
2593 annots = ev_pixbuf_cache_get_annots_mapping (view->pixbuf_cache, page);
2595 for (l = annots; l && l->data; l = g_list_next (l)) {
2596 EvAnnotation *annot;
2597 EvViewWindowChild *child;
2599 EvRectangle *doc_rect;
2600 GdkRectangle view_rect;
2602 annot = ((EvMapping *)(l->data))->data;
2604 if (!EV_IS_ANNOTATION_MARKUP (annot))
2607 if (!ev_annotation_markup_has_popup (EV_ANNOTATION_MARKUP (annot)))
2610 window = g_object_get_data (G_OBJECT (annot), "popup");
2612 ev_view_window_child_move_with_parent (view, window);
2616 /* Look if we already have a popup for this annot */
2617 child = ev_view_find_window_child_for_annot (view, page, annot);
2618 window = child ? child->window : NULL;
2620 ev_annotation_window_set_annotation (EV_ANNOTATION_WINDOW (window), annot);
2621 g_object_set_data (G_OBJECT (annot), "popup", window);
2622 ev_view_window_child_move_with_parent (view, window);
2624 window = ev_annotation_window_new (annot, parent);
2625 g_signal_connect (window, "grab_focus",
2626 G_CALLBACK (annotation_window_grab_focus),
2628 g_signal_connect (window, "closed",
2629 G_CALLBACK (annotation_window_closed),
2631 g_signal_connect (window, "moved",
2632 G_CALLBACK (annotation_window_moved),
2634 g_object_set_data (G_OBJECT (annot), "popup", window);
2636 doc_rect = (EvRectangle *)ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (window));
2637 doc_rect_to_view_rect (view, page, doc_rect, &view_rect);
2638 view_rect.x -= view->scroll_x;
2639 view_rect.y -= view->scroll_y;
2641 ev_view_window_child_put (view, window, page,
2642 view_rect.x, view_rect.y,
2643 doc_rect->x1, doc_rect->y1);
2645 g_object_weak_ref (G_OBJECT (annot),
2646 (GWeakNotify)ev_view_annotation_save,
2653 hide_annotation_windows (EvView *view,
2658 annots = ev_pixbuf_cache_get_annots_mapping (view->pixbuf_cache, page);
2660 for (l = annots; l && l->data; l = g_list_next (l)) {
2661 EvAnnotation *annot;
2664 annot = ((EvMapping *)(l->data))->data;
2666 if (!EV_IS_ANNOTATION_MARKUP (annot))
2669 window = g_object_get_data (G_OBJECT (annot), "popup");
2671 gtk_widget_hide (window);
2675 static EvAnnotation *
2676 ev_view_get_annotation_at_location (EvView *view,
2681 gint x_new = 0, y_new = 0;
2682 GList *annotations_mapping;
2684 if (!EV_IS_DOCUMENT_ANNOTATIONS (view->document))
2687 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
2690 annotations_mapping = ev_pixbuf_cache_get_annots_mapping (view->pixbuf_cache, page);
2692 if (annotations_mapping)
2693 return ev_mapping_list_get_data (annotations_mapping, x_new, y_new);
2699 ev_view_handle_annotation (EvView *view,
2700 EvAnnotation *annot,
2704 if (EV_IS_ANNOTATION_MARKUP (annot)) {
2707 window = g_object_get_data (G_OBJECT (annot), "popup");
2709 EvViewWindowChild *child;
2711 child = ev_view_get_window_child (view, window);
2712 if (!child->visible) {
2713 child->visible = TRUE;
2714 ev_view_window_child_move (view, child, child->x, child->y);
2715 gtk_widget_show (window);
2721 /*** GtkWidget implementation ***/
2724 ev_view_size_request_continuous_dual_page (EvView *view,
2725 GtkRequisition *requisition)
2731 ev_view_get_max_page_size (view, &max_width, NULL);
2732 compute_border (view, max_width, max_width, &border);
2734 n_pages = ev_document_get_n_pages (view->document) + 1;
2736 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
2737 get_page_y_offset (view, n_pages, &requisition->height);
2739 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2740 requisition->width = 1;
2741 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2742 requisition->width = 1;
2743 /* FIXME: This could actually be set on one page docs or docs
2744 * with a strange aspect ratio. */
2745 /* requisition->height = 1;*/
2750 ev_view_size_request_continuous (EvView *view,
2751 GtkRequisition *requisition)
2757 ev_view_get_max_page_size (view, &max_width, NULL);
2758 n_pages = ev_document_get_n_pages (view->document);
2759 compute_border (view, max_width, max_width, &border);
2761 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
2762 get_page_y_offset (view, n_pages, &requisition->height);
2764 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2765 requisition->width = 1;
2766 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2767 requisition->width = 1;
2768 /* FIXME: This could actually be set on one page docs or docs
2769 * with a strange aspect ratio. */
2770 /* requisition->height = 1;*/
2775 ev_view_size_request_dual_page (EvView *view,
2776 GtkRequisition *requisition)
2781 /* Find the largest of the two. */
2782 ev_view_get_page_size (view,
2785 if (view->current_page + 1 < ev_document_get_n_pages (view->document)) {
2786 gint width_2, height_2;
2787 ev_view_get_page_size (view,
2788 view->current_page + 1,
2789 &width_2, &height_2);
2790 if (width_2 > width) {
2795 compute_border (view, width, height, &border);
2797 requisition->width = ((width + border.left + border.right) * 2) +
2798 (view->spacing * 3);
2799 requisition->height = (height + border.top + border.bottom) +
2800 (view->spacing * 2);
2802 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2803 requisition->width = 1;
2804 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2805 requisition->width = 1;
2806 requisition->height = 1;
2811 ev_view_size_request_single_page (EvView *view,
2812 GtkRequisition *requisition)
2817 ev_view_get_page_size (view, view->current_page, &width, &height);
2818 compute_border (view, width, height, &border);
2820 requisition->width = width + border.left + border.right + (2 * view->spacing);
2821 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2823 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2824 requisition->width = 1;
2825 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2826 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2827 requisition->width = 1;
2828 requisition->height = 1;
2833 ev_view_size_request (GtkWidget *widget,
2834 GtkRequisition *requisition)
2836 EvView *view = EV_VIEW (widget);
2838 if (view->document == NULL) {
2839 requisition->width = 1;
2840 requisition->height = 1;
2844 if (view->presentation) {
2845 requisition->width = 1;
2846 requisition->height = 1;
2850 if (view->continuous && view->dual_page)
2851 ev_view_size_request_continuous_dual_page (view, requisition);
2852 else if (view->continuous)
2853 ev_view_size_request_continuous (view, requisition);
2854 else if (view->dual_page)
2855 ev_view_size_request_dual_page (view, requisition);
2857 ev_view_size_request_single_page (view, requisition);
2861 ev_view_size_allocate (GtkWidget *widget,
2862 GtkAllocation *allocation)
2864 EvView *view = EV_VIEW (widget);
2865 GList *children, *l;
2866 gint root_x, root_y;
2868 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
2870 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2871 view->sizing_mode == EV_SIZING_BEST_FIT) {
2872 ev_view_zoom_for_size (view,
2874 allocation->height);
2875 ev_view_size_request (widget, &widget->requisition);
2878 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
2879 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
2882 view_update_range_and_current_page (view);
2884 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2885 view->pending_resize = FALSE;
2886 view->pending_point.x = 0;
2887 view->pending_point.y = 0;
2889 children = gtk_container_get_children (GTK_CONTAINER (widget));
2890 for (l = children; l && l->data; l = g_list_next (l)) {
2892 GdkRectangle view_area;
2893 GList *form_field_mapping;
2894 GtkAllocation child_allocation;
2895 GtkRequisition child_requisition;
2896 GtkWidget *child = (GtkWidget *)l->data;
2898 field = g_object_get_data (G_OBJECT (child), "form-field");
2902 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
2903 field->page->index);
2904 ev_view_get_area_from_mapping (view, field->page->index,
2908 gtk_widget_size_request (child, &child_requisition);
2909 if (child_requisition.width != view_area.width ||
2910 child_requisition.height != view_area.height)
2911 gtk_widget_set_size_request (child, view_area.width, view_area.height);
2913 gtk_container_child_get (GTK_CONTAINER (widget),
2915 "x", &child_allocation.x,
2916 "y", &child_allocation.y,
2918 if (child_allocation.x != view_area.x ||
2919 child_allocation.y != view_area.y) {
2920 gtk_layout_move (GTK_LAYOUT (widget), child, view_area.x, view_area.y);
2923 g_list_free (children);
2925 if (view->window_children)
2926 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2929 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
2930 EvViewWindowChild *child;
2931 EvRectangle doc_rect;
2932 GdkRectangle view_rect;
2934 child = (EvViewWindowChild *)l->data;
2936 doc_rect = *ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (child->window));
2938 doc_rect.x1 = child->orig_x;
2939 doc_rect.y1 = child->orig_y;
2941 doc_rect_to_view_rect (view, child->page, &doc_rect, &view_rect);
2942 view_rect.x -= view->scroll_x;
2943 view_rect.y -= view->scroll_y;
2945 if (view_rect.x != child->orig_x || view_rect.y != child->orig_y) {
2946 child->parent_x = root_x;
2947 child->parent_y = root_y;
2948 ev_view_window_child_move (view, child, view_rect.x + root_x, view_rect.y + root_y);
2954 ev_view_realize (GtkWidget *widget)
2956 EvView *view = EV_VIEW (widget);
2958 if (GTK_WIDGET_CLASS (ev_view_parent_class)->realize)
2959 (* GTK_WIDGET_CLASS (ev_view_parent_class)->realize) (widget);
2961 gdk_window_set_events (view->layout.bin_window,
2962 (gdk_window_get_events (view->layout.bin_window) |
2964 GDK_BUTTON_PRESS_MASK |
2965 GDK_BUTTON_RELEASE_MASK |
2967 GDK_KEY_PRESS_MASK |
2968 GDK_POINTER_MOTION_MASK |
2969 GDK_POINTER_MOTION_HINT_MASK |
2970 GDK_ENTER_NOTIFY_MASK |
2971 GDK_LEAVE_NOTIFY_MASK));
2973 if (view->presentation)
2974 gdk_window_set_background (view->layout.bin_window, &widget->style->black);
2976 gdk_window_set_background (view->layout.bin_window, &widget->style->mid [GTK_STATE_NORMAL]);
2978 on_adjustment_value_changed (NULL, view);
2982 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
2984 EvView *view = EV_VIEW (widget);
2987 state = event->state & gtk_accelerator_get_default_mod_mask ();
2989 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
2990 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
2992 if (event->direction == GDK_SCROLL_UP ||
2993 event->direction == GDK_SCROLL_LEFT) {
2994 if (ev_view_can_zoom_in (view)) {
2995 ev_view_zoom_in (view);
2998 if (ev_view_can_zoom_out (view)) {
2999 ev_view_zoom_out (view);
3006 view->jump_to_find_result = FALSE;
3008 /* Shift+Wheel scrolls the in the perpendicular direction */
3009 if (state & GDK_SHIFT_MASK) {
3010 if (event->direction == GDK_SCROLL_UP)
3011 event->direction = GDK_SCROLL_LEFT;
3012 else if (event->direction == GDK_SCROLL_LEFT)
3013 event->direction = GDK_SCROLL_UP;
3014 else if (event->direction == GDK_SCROLL_DOWN)
3015 event->direction = GDK_SCROLL_RIGHT;
3016 else if (event->direction == GDK_SCROLL_RIGHT)
3017 event->direction = GDK_SCROLL_DOWN;
3019 event->state &= ~GDK_SHIFT_MASK;
3020 state &= ~GDK_SHIFT_MASK;
3024 (view->presentation ||
3025 (view->sizing_mode == EV_SIZING_BEST_FIT && !view->continuous))) {
3026 switch (event->direction) {
3027 case GDK_SCROLL_DOWN:
3028 case GDK_SCROLL_RIGHT:
3029 ev_view_next_page (view);
3032 case GDK_SCROLL_LEFT:
3033 ev_view_previous_page (view);
3043 static EvViewSelection *
3044 find_selection_for_page (EvView *view,
3049 for (list = view->selection_info.selections; list != NULL; list = list->next) {
3050 EvViewSelection *selection;
3052 selection = (EvViewSelection *) list->data;
3054 if (selection->page == page)
3062 draw_end_presentation_page (EvView *view,
3063 GdkRectangle *page_area)
3065 PangoLayout *layout;
3066 PangoFontDescription *font_desc;
3068 const gchar *text = _("End of presentation. Press Escape to exit.");
3070 if (view->presentation_state != EV_PRESENTATION_END)
3073 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), NULL);
3074 markup = g_strdup_printf ("<span foreground=\"white\">%s</span>", text);
3075 pango_layout_set_markup (layout, markup, -1);
3078 font_desc = pango_font_description_new ();
3079 pango_font_description_set_size (font_desc, 16 * PANGO_SCALE);
3080 pango_layout_set_font_description (layout, font_desc);
3082 gtk_paint_layout (GTK_WIDGET (view)->style,
3083 view->layout.bin_window,
3084 GTK_WIDGET_STATE (view),
3093 pango_font_description_free (font_desc);
3094 g_object_unref (layout);
3098 ev_view_expose_event (GtkWidget *widget,
3099 GdkEventExpose *event)
3101 EvView *view = EV_VIEW (widget);
3105 if (view->animation) {
3106 if (ev_transition_animation_ready (view->animation)) {
3107 GdkRectangle page_area;
3110 if (get_page_extents (view, view->current_page, &page_area, &border)) {
3111 cr = gdk_cairo_create (view->layout.bin_window);
3113 /* normalize to x=0, y=0 */
3114 cairo_translate (cr, page_area.x, page_area.y);
3115 page_area.x = page_area.y = 0;
3117 ev_transition_animation_paint (view->animation, cr, page_area);
3125 if (view->presentation) {
3126 switch (view->presentation_state) {
3127 case EV_PRESENTATION_END: {
3128 GdkRectangle area = {0};
3130 area.width = widget->allocation.width;
3131 area.height = widget->allocation.height;
3133 draw_end_presentation_page (view, &area);
3136 case EV_PRESENTATION_BLACK:
3137 case EV_PRESENTATION_WHITE:
3139 case EV_PRESENTATION_NORMAL:
3143 } else if (view->loading) {
3144 GdkRectangle area = {0};
3146 area.width = widget->allocation.width;
3147 area.height = widget->allocation.height;
3149 draw_loading_text (view,
3154 if (view->document == NULL)
3157 cr = gdk_cairo_create (view->layout.bin_window);
3159 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
3160 GdkRectangle page_area;
3162 gboolean page_ready = TRUE;
3164 if (!get_page_extents (view, i, &page_area, &border))
3167 page_area.x -= view->scroll_x;
3168 page_area.y -= view->scroll_y;
3170 draw_one_page (view, i, cr, &page_area, &border, &(event->area), &page_ready);
3172 if (page_ready && view->find_pages && view->highlight_find_results)
3173 highlight_find_results (view, i);
3174 if (page_ready && EV_IS_DOCUMENT_ANNOTATIONS (view->document))
3175 show_annotation_windows (view, i);
3180 if (GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event)
3181 (* GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) (widget, event);
3187 ev_view_do_popup_menu (EvView *view,
3194 image = ev_view_get_image_at_location (view, x, y);
3196 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, image);
3200 link = ev_view_get_link_at_location (view, x, y);
3202 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
3206 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, NULL);
3212 ev_view_popup_menu (GtkWidget *widget)
3216 gtk_widget_get_pointer (widget, &x, &y);
3217 return ev_view_do_popup_menu (EV_VIEW (widget), x, y);
3221 get_link_area (EvView *view,
3227 GList *link_mapping;
3229 gint x_offset = 0, y_offset = 0;
3231 x += view->scroll_x;
3232 y += view->scroll_y;
3234 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3236 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
3237 ev_view_get_area_from_mapping (view, page,
3243 get_annot_area (EvView *view,
3246 EvAnnotation *annot,
3249 GList *annots_mapping;
3251 gint x_offset = 0, y_offset = 0;
3253 x += view->scroll_x;
3254 y += view->scroll_y;
3256 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3258 annots_mapping = ev_pixbuf_cache_get_annots_mapping (view->pixbuf_cache, page);
3259 ev_view_get_area_from_mapping (view, page,
3265 ev_view_query_tooltip (GtkWidget *widget,
3268 gboolean keyboard_tip,
3269 GtkTooltip *tooltip)
3271 EvView *view = EV_VIEW (widget);
3273 EvAnnotation *annot;
3276 annot = ev_view_get_annotation_at_location (view, x, y);
3277 if (annot && annot->contents) {
3278 GdkRectangle annot_area;
3280 get_annot_area (view, x, y, annot, &annot_area);
3281 gtk_tooltip_set_text (tooltip, annot->contents);
3282 gtk_tooltip_set_tip_area (tooltip, &annot_area);
3287 link = ev_view_get_link_at_location (view, x, y);
3291 text = tip_from_link (view, link);
3292 if (text && g_utf8_validate (text, -1, NULL)) {
3293 GdkRectangle link_area;
3295 get_link_area (view, x, y, link, &link_area);
3296 gtk_tooltip_set_text (tooltip, text);
3297 gtk_tooltip_set_tip_area (tooltip, &link_area);
3305 start_selection_for_event (EvView *view,
3306 GdkEventButton *event)
3308 clear_selection (view);
3310 view->selection_info.start.x = event->x + view->scroll_x;
3311 view->selection_info.start.y = event->y + view->scroll_y;
3313 switch (event->type) {
3314 case GDK_2BUTTON_PRESS:
3315 view->selection_info.style = EV_SELECTION_STYLE_WORD;
3317 case GDK_3BUTTON_PRESS:
3318 view->selection_info.style = EV_SELECTION_STYLE_LINE;
3321 view->selection_info.style = EV_SELECTION_STYLE_GLYPH;
3325 /* In case of WORD or LINE, compute selections now */
3326 compute_selections (view,
3327 view->selection_info.style,
3328 &(view->selection_info.start),
3329 &(view->selection_info.start));
3333 ev_view_button_press_event (GtkWidget *widget,
3334 GdkEventButton *event)
3336 EvView *view = EV_VIEW (widget);
3338 if (!view->document)
3341 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
3342 gtk_widget_grab_focus (widget);
3345 if (view->window_child_focus) {
3346 EvAnnotationWindow *window;
3347 EvAnnotation *annot;
3349 window = EV_ANNOTATION_WINDOW (view->window_child_focus->window);
3350 annot = ev_annotation_window_get_annotation (window);
3351 ev_annotation_window_ungrab_focus (window);
3352 ev_view_annotation_save (view, annot);
3353 view->window_child_focus = NULL;
3356 view->pressed_button = event->button;
3357 view->selection_info.in_drag = FALSE;
3359 if (view->scroll_info.autoscrolling)
3362 switch (event->button) {
3365 EvAnnotation *annot;
3368 if (EV_IS_SELECTION (view->document) && view->selection_info.selections) {
3369 if (event->type == GDK_3BUTTON_PRESS) {
3370 start_selection_for_event (view, event);
3371 } else if (location_in_selected_text (view,
3372 event->x + view->scroll_x,
3373 event->y + view->scroll_y)) {
3374 view->selection_info.in_drag = TRUE;
3376 start_selection_for_event (view, event);
3379 gtk_widget_queue_draw (widget);
3380 } else if ((annot = ev_view_get_annotation_at_location (view, event->x, event->y))) {
3381 ev_view_handle_annotation (view, annot, event->x, event->y);
3382 } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) {
3383 ev_view_remove_all (view);
3384 ev_view_handle_form_field (view, field, event->x, event->y);
3385 } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) &&
3386 (image = ev_view_get_image_at_location (view, event->x, event->y))) {
3387 if (view->image_dnd_info.image)
3388 g_object_unref (view->image_dnd_info.image);
3389 view->image_dnd_info.image = g_object_ref (image);
3390 view->image_dnd_info.in_drag = TRUE;
3392 view->image_dnd_info.start.x = event->x + view->scroll_x;
3393 view->image_dnd_info.start.y = event->y + view->scroll_y;
3395 ev_view_remove_all (view);
3397 if (EV_IS_SELECTION (view->document))
3398 start_selection_for_event (view, event);
3403 /* use root coordinates as reference point because
3404 * scrolling changes window relative coordinates */
3405 view->drag_info.start.x = event->x_root;
3406 view->drag_info.start.y = event->y_root;
3407 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
3408 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
3410 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
3414 view->scroll_info.start_y = event->y;
3415 return ev_view_do_popup_menu (view, event->x, event->y);
3422 ev_view_remove_all (EvView *view)
3424 GList *children, *child;
3426 children = gtk_container_get_children (GTK_CONTAINER (view));
3427 for (child = children; child && child->data; child = g_list_next (child)) {
3428 gtk_container_remove (GTK_CONTAINER (view),
3429 GTK_WIDGET (child->data));
3431 g_list_free (children);
3434 /*** Drag and Drop ***/
3436 ev_view_drag_data_get (GtkWidget *widget,
3437 GdkDragContext *context,
3438 GtkSelectionData *selection_data,
3442 EvView *view = EV_VIEW (widget);
3445 case TARGET_DND_TEXT:
3446 if (EV_IS_SELECTION (view->document) &&
3447 view->selection_info.selections) {
3450 text = get_selected_text (view);
3451 gtk_selection_data_set_text (selection_data,
3457 case TARGET_DND_IMAGE:
3458 if (view->image_dnd_info.image) {
3461 ev_document_doc_mutex_lock ();
3462 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3463 view->image_dnd_info.image);
3464 ev_document_doc_mutex_unlock ();
3466 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
3467 g_object_unref (pixbuf);
3470 case TARGET_DND_URI:
3471 if (view->image_dnd_info.image) {
3473 const gchar *tmp_uri;
3476 ev_document_doc_mutex_lock ();
3477 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3478 view->image_dnd_info.image);
3479 ev_document_doc_mutex_unlock ();
3481 tmp_uri = ev_image_save_tmp (view->image_dnd_info.image, pixbuf);
3482 g_object_unref (pixbuf);
3484 uris[0] = (gchar *)tmp_uri;
3486 gtk_selection_data_set_uris (selection_data, uris);
3492 ev_view_drag_motion (GtkWidget *widget,
3493 GdkDragContext *context,
3498 if (gtk_drag_get_source_widget (context) == widget)
3499 gdk_drag_status (context, 0, time);
3501 gdk_drag_status (context, context->suggested_action, time);
3507 selection_update_idle_cb (EvView *view)
3509 compute_selections (view,
3510 view->selection_info.style,
3511 &view->selection_info.start,
3513 view->selection_update_id = 0;
3518 selection_scroll_timeout_cb (EvView *view)
3520 gint x, y, shift = 0;
3521 GtkWidget *widget = GTK_WIDGET (view);
3523 gtk_widget_get_pointer (widget, &x, &y);
3525 if (y > widget->allocation.height) {
3526 shift = (y - widget->allocation.height) / 2;
3532 gtk_adjustment_set_value (view->vadjustment,
3533 CLAMP (view->vadjustment->value + shift,
3534 view->vadjustment->lower,
3535 view->vadjustment->upper -
3536 view->vadjustment->page_size));
3538 if (x > widget->allocation.width) {
3539 shift = (x - widget->allocation.width) / 2;
3545 gtk_adjustment_set_value (view->hadjustment,
3546 CLAMP (view->hadjustment->value + shift,
3547 view->hadjustment->lower,
3548 view->hadjustment->upper -
3549 view->hadjustment->page_size));
3555 ev_view_drag_update_momentum (EvView *view)
3558 if (!view->drag_info.in_drag)
3561 for (i = DRAG_HISTORY - 1; i > 0; i--) {
3562 view->drag_info.buffer[i].x = view->drag_info.buffer[i-1].x;
3563 view->drag_info.buffer[i].y = view->drag_info.buffer[i-1].y;
3566 /* Momentum is a moving average of 10ms granularity over
3567 * the last 100ms with each 10ms stored in buffer.
3570 view->drag_info.momentum.x = (view->drag_info.buffer[DRAG_HISTORY - 1].x - view->drag_info.buffer[0].x);
3571 view->drag_info.momentum.y = (view->drag_info.buffer[DRAG_HISTORY - 1].y - view->drag_info.buffer[0].y);
3577 ev_view_scroll_drag_release (EvView *view)
3579 gdouble dhadj_value, dvadj_value;
3580 gdouble oldhadjustment, oldvadjustment;
3582 view->drag_info.momentum.x /= 1.2;
3583 view->drag_info.momentum.y /= 1.2; /* Alter these constants to change "friction" */
3585 dhadj_value = view->hadjustment->page_size *
3586 (gdouble)view->drag_info.momentum.x / GTK_WIDGET (view)->allocation.width;
3587 dvadj_value = view->vadjustment->page_size *
3588 (gdouble)view->drag_info.momentum.y / GTK_WIDGET (view)->allocation.height;
3590 oldhadjustment = gtk_adjustment_get_value (view->hadjustment);
3591 oldvadjustment = gtk_adjustment_get_value (view->vadjustment);
3593 /* When we reach the edges, we need either to absorb some momentum and bounce by
3594 * multiplying it on -0.5 or stop scrolling by setting momentum to 0. */
3595 if (((oldhadjustment + dhadj_value) > (view->hadjustment->upper - view->hadjustment->page_size)) ||
3596 ((oldhadjustment + dhadj_value) < 0))
3597 view->drag_info.momentum.x = 0;
3598 if (((oldvadjustment + dvadj_value) > (view->vadjustment->upper - view->vadjustment->page_size)) ||
3599 ((oldvadjustment + dvadj_value) < 0))
3600 view->drag_info.momentum.y = 0;
3602 gtk_adjustment_set_value (view->hadjustment,
3603 MIN (oldhadjustment + dhadj_value,
3604 view->hadjustment->upper - view->hadjustment->page_size));
3605 gtk_adjustment_set_value (view->vadjustment,
3606 MIN (oldvadjustment + dvadj_value,
3607 view->vadjustment->upper - view->vadjustment->page_size));
3609 if (((view->drag_info.momentum.x < 1) && (view->drag_info.momentum.x > -1)) &&
3610 ((view->drag_info.momentum.y < 1) && (view->drag_info.momentum.y > -1)))
3617 ev_view_motion_notify_event (GtkWidget *widget,
3618 GdkEventMotion *event)
3620 EvView *view = EV_VIEW (widget);
3623 if (!view->document)
3627 if (event->is_hint || event->window != view->layout.bin_window) {
3628 gtk_widget_get_pointer (widget, &x, &y);
3634 if (view->scroll_info.autoscrolling) {
3635 view->scroll_info.last_y = y;
3639 if (view->selection_info.in_drag) {
3640 if (gtk_drag_check_threshold (widget,
3641 view->selection_info.start.x,
3642 view->selection_info.start.y,
3644 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3646 gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT);
3648 gtk_drag_begin (widget, target_list,
3650 1, (GdkEvent *)event);
3652 view->selection_info.in_drag = FALSE;
3654 gtk_target_list_unref (target_list);
3658 } else if (view->image_dnd_info.in_drag) {
3659 if (gtk_drag_check_threshold (widget,
3660 view->selection_info.start.x,
3661 view->selection_info.start.y,
3663 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3665 gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI);
3666 gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE);
3668 gtk_drag_begin (widget, target_list,
3670 1, (GdkEvent *)event);
3672 view->image_dnd_info.in_drag = FALSE;
3674 gtk_target_list_unref (target_list);
3680 switch (view->pressed_button) {
3682 /* For the Evince 0.4.x release, we limit selection to un-rotated
3685 if (view->rotation != 0)
3688 /* Schedule timeout to scroll during selection and additionally
3689 * scroll once to allow arbitrary speed. */
3690 if (!view->selection_scroll_id)
3691 view->selection_scroll_id = g_timeout_add (SCROLL_TIME,
3692 (GSourceFunc)selection_scroll_timeout_cb,
3695 selection_scroll_timeout_cb (view);
3697 view->selection_info.in_selection = TRUE;
3698 view->motion.x = x + view->scroll_x;
3699 view->motion.y = y + view->scroll_y;
3701 /* Queue an idle to handle the motion. We do this because
3702 * handling any selection events in the motion could be slower
3703 * than new motion events reach us. We always put it in the
3704 * idle to make sure we catch up and don't visibly lag the
3706 if (!view->selection_update_id)
3707 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
3711 if (!view->drag_info.in_drag) {
3715 start = gtk_drag_check_threshold (widget,
3716 view->drag_info.start.x,
3717 view->drag_info.start.y,
3720 view->drag_info.in_drag = start;
3721 view->drag_info.drag_timeout_id = g_timeout_add (10,
3722 (GSourceFunc)ev_view_drag_update_momentum, view);
3723 /* Set 100 to choose how long it takes to build up momentum */
3724 /* Clear out previous momentum info: */
3725 for (i = 0; i < DRAG_HISTORY; i++) {
3726 view->drag_info.buffer[i].x = event->x;
3727 view->drag_info.buffer[i].y = event->y;
3729 view->drag_info.momentum.x = 0;
3730 view->drag_info.momentum.y = 0;
3733 if (view->drag_info.in_drag) {
3735 gdouble dhadj_value, dvadj_value;
3737 view->drag_info.buffer[0].x = event->x;
3738 view->drag_info.buffer[0].y = event->y;
3740 dx = event->x_root - view->drag_info.start.x;
3741 dy = event->y_root - view->drag_info.start.y;
3743 dhadj_value = view->hadjustment->page_size *
3744 (gdouble)dx / widget->allocation.width;
3745 dvadj_value = view->vadjustment->page_size *
3746 (gdouble)dy / widget->allocation.height;
3748 /* clamp scrolling to visible area */
3749 gtk_adjustment_set_value (view->hadjustment,
3750 MIN(view->drag_info.hadj - dhadj_value,
3751 view->hadjustment->upper -
3752 view->hadjustment->page_size));
3753 gtk_adjustment_set_value (view->vadjustment,
3754 MIN(view->drag_info.vadj - dvadj_value,
3755 view->vadjustment->upper -
3756 view->vadjustment->page_size));
3763 ev_view_handle_cursor_over_xy (view, x, y);
3770 ev_view_button_release_event (GtkWidget *widget,
3771 GdkEventButton *event)
3773 EvView *view = EV_VIEW (widget);
3774 EvLink *link = NULL;
3776 view->image_dnd_info.in_drag = FALSE;
3778 if (view->scroll_info.autoscrolling) {
3779 ev_view_autoscroll_stop (view);
3780 view->pressed_button = -1;
3785 if (view->drag_info.in_drag) {
3786 view->drag_info.release_timeout_id =
3788 (GSourceFunc)ev_view_scroll_drag_release, view);
3791 if (view->document && !view->drag_info.in_drag && view->pressed_button != 3) {
3792 link = ev_view_get_link_at_location (view, event->x, event->y);
3795 view->drag_info.in_drag = FALSE;
3797 if (view->pressed_button == 2) {
3798 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3801 view->pressed_button = -1;
3803 if (view->selection_scroll_id) {
3804 g_source_remove (view->selection_scroll_id);
3805 view->selection_scroll_id = 0;
3807 if (view->selection_update_id) {
3808 g_source_remove (view->selection_update_id);
3809 view->selection_update_id = 0;
3812 if (view->selection_info.selections) {
3813 clear_link_selected (view);
3814 ev_view_update_primary_selection (view);
3816 if (view->selection_info.in_drag) {
3817 clear_selection (view);
3818 gtk_widget_queue_draw (widget);
3821 view->selection_info.in_drag = FALSE;
3823 if (event->button == 2) {
3824 EvLinkAction *action;
3825 EvLinkActionType type;
3827 action = ev_link_get_action (link);
3831 type = ev_link_action_get_action_type (action);
3832 if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
3833 g_signal_emit (view,
3834 signals[SIGNAL_EXTERNAL_LINK],
3838 ev_view_handle_link (view, link);
3840 } else if (view->presentation) {
3841 switch (event->button) {
3843 ev_view_next_page (view);
3846 ev_view_previous_page (view);
3855 /* Cut and paste from gtkwindow.c */
3857 send_focus_change (GtkWidget *widget,
3860 GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE);
3862 g_object_ref (widget);
3865 GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
3867 GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
3869 fevent->focus_change.type = GDK_FOCUS_CHANGE;
3870 fevent->focus_change.window = g_object_ref (widget->window);
3871 fevent->focus_change.in = in;
3873 gtk_widget_event (widget, fevent);
3875 g_object_notify (G_OBJECT (widget), "has-focus");
3877 g_object_unref (widget);
3878 gdk_event_free (fevent);
3882 ev_view_goto_window_hide (EvView *view)
3884 /* send focus-in event */
3885 send_focus_change (view->goto_entry, FALSE);
3886 gtk_widget_hide (view->goto_window);
3887 gtk_entry_set_text (GTK_ENTRY (view->goto_entry), "");
3891 ev_view_goto_window_delete_event (GtkWidget *widget,
3895 ev_view_goto_window_hide (view);
3901 key_is_numeric (guint keyval)
3903 return ((keyval >= GDK_0 && keyval <= GDK_9) ||
3904 (keyval >= GDK_KP_0 && keyval <= GDK_KP_9));
3908 ev_view_goto_window_key_press_event (GtkWidget *widget,
3912 switch (event->keyval) {
3916 case GDK_ISO_Left_Tab:
3917 ev_view_goto_window_hide (view);
3926 if (!key_is_numeric (event->keyval))
3934 ev_view_goto_window_button_press_event (GtkWidget *widget,
3935 GdkEventButton *event,
3938 ev_view_goto_window_hide (view);
3944 ev_view_goto_entry_activate (GtkEntry *entry,
3950 text = gtk_entry_get_text (entry);
3951 page = atoi (text) - 1;
3953 ev_view_goto_window_hide (view);
3955 if (page >= 0 && page < ev_document_get_n_pages (view->document)) {
3956 ev_document_model_set_page (view->model, page);
3961 ev_view_goto_window_create (EvView *view)
3963 GtkWidget *frame, *hbox, *toplevel, *label;
3965 toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view));
3967 if (view->goto_window) {
3968 if (GTK_WINDOW (toplevel)->group)
3969 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
3970 GTK_WINDOW (view->goto_window));
3971 else if (GTK_WINDOW (view->goto_window)->group)
3972 gtk_window_group_remove_window (GTK_WINDOW (view->goto_window)->group,
3973 GTK_WINDOW (view->goto_window));
3977 view->goto_window = gtk_window_new (GTK_WINDOW_POPUP);
3978 gtk_window_set_screen (GTK_WINDOW (view->goto_window),
3979 gtk_widget_get_screen (GTK_WIDGET (view)));
3981 if (GTK_WINDOW (toplevel)->group)
3982 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
3983 GTK_WINDOW (view->goto_window));
3985 gtk_window_set_modal (GTK_WINDOW (view->goto_window), TRUE);
3987 g_signal_connect (view->goto_window, "delete_event",
3988 G_CALLBACK (ev_view_goto_window_delete_event),
3990 g_signal_connect (view->goto_window, "key_press_event",
3991 G_CALLBACK (ev_view_goto_window_key_press_event),
3993 g_signal_connect (view->goto_window, "button_press_event",
3994 G_CALLBACK (ev_view_goto_window_button_press_event),
3997 frame = gtk_frame_new (NULL);
3998 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
3999 gtk_container_add (GTK_CONTAINER (view->goto_window), frame);
4000 gtk_widget_show (frame);
4002 hbox = gtk_hbox_new (FALSE, 0);
4003 gtk_container_set_border_width (GTK_CONTAINER (hbox), 3);
4004 gtk_container_add (GTK_CONTAINER (frame), hbox);
4005 gtk_widget_show (hbox);
4007 label = gtk_label_new(_("Jump to page:"));
4008 gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 3);
4009 gtk_widget_show (label);
4010 gtk_widget_realize (label);
4012 view->goto_entry = gtk_entry_new ();
4013 g_signal_connect (view->goto_entry, "activate",
4014 G_CALLBACK (ev_view_goto_entry_activate),
4016 gtk_box_pack_start (GTK_BOX (hbox), view->goto_entry, TRUE, TRUE, 0);
4017 gtk_widget_show (view->goto_entry);
4018 gtk_widget_realize (view->goto_entry);
4022 ev_view_goto_entry_grab_focus (EvView *view)
4024 GtkWidgetClass *entry_parent_class;
4026 entry_parent_class = g_type_class_peek_parent (GTK_ENTRY_GET_CLASS (view->goto_entry));
4027 (entry_parent_class->grab_focus) (view->goto_entry);
4029 send_focus_change (view->goto_entry, TRUE);
4033 ev_view_goto_window_send_key_event (EvView *view,
4036 GdkEventKey *new_event;
4039 /* Move goto window off screen */
4040 screen = gtk_widget_get_screen (GTK_WIDGET (view));
4041 gtk_window_move (GTK_WINDOW (view->goto_window),
4042 gdk_screen_get_width (screen) + 1,
4043 gdk_screen_get_height (screen) + 1);
4044 gtk_widget_show (view->goto_window);
4046 new_event = (GdkEventKey *) gdk_event_copy (event);
4047 g_object_unref (new_event->window);
4048 new_event->window = g_object_ref (view->goto_window->window);
4049 gtk_widget_realize (view->goto_window);
4051 gtk_widget_event (view->goto_window, (GdkEvent *)new_event);
4052 gdk_event_free ((GdkEvent *)new_event);
4053 gtk_widget_hide (view->goto_window);
4057 ev_view_key_press_event (GtkWidget *widget,
4060 EvView *view = EV_VIEW (widget);
4061 EvPresentationState current;
4063 if (!view->document)
4066 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
4067 /* Forward key events to current focused window child */
4068 if (view->window_child_focus) {
4069 GdkEventKey *new_event;
4072 new_event = (GdkEventKey *) gdk_event_copy ((GdkEvent *)event);
4073 g_object_unref (new_event->window);
4074 new_event->window = g_object_ref (view->window_child_focus->window->window);
4075 gtk_widget_realize (view->window_child_focus->window);
4076 handled = gtk_widget_event (view->window_child_focus->window, (GdkEvent *)new_event);
4077 gdk_event_free ((GdkEvent *)new_event);
4085 if (!view->presentation ||
4086 view->presentation_state == EV_PRESENTATION_END)
4087 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
4090 current = view->presentation_state;
4092 switch (event->keyval) {
4096 case GDK_KP_Decimal:
4097 view->presentation_state =
4098 (view->presentation_state == EV_PRESENTATION_BLACK) ?
4099 EV_PRESENTATION_NORMAL : EV_PRESENTATION_BLACK;
4103 view->presentation_state =
4104 (view->presentation_state == EV_PRESENTATION_WHITE) ?
4105 EV_PRESENTATION_NORMAL : EV_PRESENTATION_WHITE;
4108 if (view->presentation_state == EV_PRESENTATION_BLACK ||
4109 view->presentation_state == EV_PRESENTATION_WHITE) {
4110 view->presentation_state = EV_PRESENTATION_NORMAL;
4114 if (current == view->presentation_state) {
4115 if (ev_document_get_n_pages (view->document) > 1 &&
4116 key_is_numeric (event->keyval)) {
4119 ev_view_goto_window_create (view);
4120 ev_view_goto_window_send_key_event (view, (GdkEvent *)event);
4121 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4122 gtk_window_move (GTK_WINDOW (view->goto_window), x, y);
4123 gtk_widget_show (view->goto_window);
4124 ev_view_goto_entry_grab_focus (view);
4129 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
4132 switch (view->presentation_state) {
4133 case EV_PRESENTATION_NORMAL:
4134 case EV_PRESENTATION_BLACK:
4135 gdk_window_set_background (view->layout.bin_window,
4136 &widget->style->black);
4138 case EV_PRESENTATION_WHITE:
4139 gdk_window_set_background (view->layout.bin_window,
4140 &widget->style->white);
4143 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
4146 gtk_widget_queue_draw (widget);
4151 ev_view_focus_in (GtkWidget *widget,
4152 GdkEventFocus *event)
4154 if (EV_VIEW (widget)->pixbuf_cache)
4155 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4156 gtk_widget_queue_draw (widget);
4162 ev_view_focus_out (GtkWidget *widget,
4163 GdkEventFocus *event)
4165 if (EV_VIEW (widget)->goto_window)
4166 ev_view_goto_window_hide (EV_VIEW (widget));
4168 if (EV_VIEW (widget)->pixbuf_cache)
4169 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4170 gtk_widget_queue_draw (widget);
4176 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
4178 EvView *view = EV_VIEW (widget);
4180 if (view->cursor != EV_VIEW_CURSOR_NORMAL)
4181 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
4187 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
4189 EvView *view = EV_VIEW (widget);
4191 ev_view_handle_cursor_over_xy (view, event->x, event->y);
4197 ev_view_style_set (GtkWidget *widget,
4198 GtkStyle *old_style)
4200 if (EV_VIEW (widget)->pixbuf_cache)
4201 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4203 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
4209 ev_gdk_color_to_rgb (const GdkColor *color)
4212 result = (0xff0000 | (color->red & 0xff00));
4214 result |= ((color->green & 0xff00) | (color->blue >> 8));
4219 draw_rubberband (GtkWidget *widget, GdkWindow *window,
4220 const GdkRectangle *rect, guchar alpha)
4224 GdkColor *fill_color_gdk;
4227 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
4228 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
4230 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
4231 rect->width, rect->height);
4232 gdk_pixbuf_fill (pixbuf, fill_color);
4234 gdk_draw_pixbuf (window, NULL, pixbuf,
4236 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
4237 rect->width, rect->height,
4238 GDK_RGB_DITHER_NONE,
4241 g_object_unref (pixbuf);
4243 gc = gdk_gc_new (window);
4244 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
4245 gdk_draw_rectangle (window, gc, FALSE,
4246 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
4249 g_object_unref (gc);
4251 gdk_color_free (fill_color_gdk);
4256 highlight_find_results (EvView *view, int page)
4258 gint i, n_results = 0;
4260 n_results = ev_view_find_get_n_results (view, page);
4262 for (i = 0; i < n_results; i++) {
4263 EvRectangle *rectangle;
4264 GdkRectangle view_rectangle;
4267 if (i == view->find_result && page == view->current_page) {
4273 rectangle = ev_view_find_get_result (view, page, i);
4274 doc_rect_to_view_rect (view, page, rectangle, &view_rectangle);
4275 draw_rubberband (GTK_WIDGET (view), view->layout.bin_window,
4276 &view_rectangle, alpha);
4281 draw_loading_text (EvView *view,
4282 GdkRectangle *page_area,
4283 GdkRectangle *expose_area)
4288 if (!view->loading_text) {
4289 const gchar *loading_text = _("Loading...");
4290 PangoLayout *layout;
4291 PangoFontDescription *font_desc;
4292 PangoRectangle logical_rect;
4296 ev_document_fc_mutex_lock ();
4298 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
4300 font_desc = pango_font_description_new ();
4302 /* We set the font to be 10 points, get the size, and scale appropriately */
4303 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
4304 pango_layout_set_font_description (layout, font_desc);
4305 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
4307 target_width = MAX (page_area->width / 2, 1);
4308 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
4309 pango_font_description_set_size (font_desc, (int)real_scale);
4310 pango_layout_set_font_description (layout, font_desc);
4311 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
4313 view->loading_text = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
4315 logical_rect.height);
4316 cr = cairo_create (view->loading_text);
4317 cairo_set_source_rgb (cr,
4321 pango_cairo_show_layout (cr, layout);
4324 pango_font_description_free (font_desc);
4325 g_object_unref (layout);
4327 ev_document_fc_mutex_unlock ();
4330 width = (page_area->width - cairo_image_surface_get_width (view->loading_text)) / 2;
4331 height = (page_area->height - cairo_image_surface_get_height (view->loading_text)) / 2;
4333 cr = gdk_cairo_create (view->layout.bin_window);
4334 cairo_translate (cr,
4335 page_area->x + width,
4336 page_area->y + height);
4337 cairo_set_source_surface (cr, view->loading_text, 0, 0);
4343 draw_one_page (EvView *view,
4346 GdkRectangle *page_area,
4348 GdkRectangle *expose_area,
4349 gboolean *page_ready)
4351 GdkRectangle overlap;
4352 GdkRectangle real_page_area;
4354 g_assert (view->document);
4356 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
4359 /* Render the document itself */
4360 real_page_area = *page_area;
4362 real_page_area.x += border->left;
4363 real_page_area.y += border->top;
4364 real_page_area.width -= (border->left + border->right);
4365 real_page_area.height -= (border->top + border->bottom);
4368 if (!view->presentation) {
4371 current_page = ev_document_model_get_page (view->model);
4372 ev_document_misc_paint_one_page (view->layout.bin_window,
4375 page == current_page);
4378 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
4380 gint page_width, page_height;
4381 cairo_surface_t *page_surface = NULL;
4382 gint selection_width, selection_height;
4383 cairo_surface_t *selection_surface = NULL;
4385 page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page);
4387 if (!page_surface) {
4388 if (!view->presentation) {
4389 draw_loading_text (view,
4394 *page_ready = FALSE;
4399 ev_view_get_page_size (view, page, &width, &height);
4401 page_width = cairo_image_surface_get_width (page_surface);
4402 page_height = cairo_image_surface_get_height (page_surface);
4405 cairo_translate (cr, overlap.x, overlap.y);
4407 if (width != page_width || height != page_height) {
4408 cairo_pattern_set_filter (cairo_get_source (cr),
4411 (gdouble)width / page_width,
4412 (gdouble)height / page_height);
4415 cairo_surface_set_device_offset (page_surface,
4416 overlap.x - real_page_area.x,
4417 overlap.y - real_page_area.y);
4418 cairo_set_source_surface (cr, page_surface, 0, 0);
4422 /* Get the selection pixbuf iff we have something to draw */
4423 if (find_selection_for_page (view, page) &&
4424 view->selection_mode == EV_VIEW_SELECTION_TEXT) {
4426 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
4432 if (!selection_surface) {
4436 selection_width = cairo_image_surface_get_width (selection_surface);
4437 selection_height = cairo_image_surface_get_height (selection_surface);
4440 cairo_translate (cr, overlap.x, overlap.y);
4442 if (width != selection_width || height != selection_height) {
4443 cairo_pattern_set_filter (cairo_get_source (cr),
4446 (gdouble)width / selection_width,
4447 (gdouble)height / selection_height);
4450 cairo_surface_set_device_offset (selection_surface,
4451 overlap.x - real_page_area.x,
4452 overlap.y - real_page_area.y);
4453 cairo_set_source_surface (cr, selection_surface, 0, 0);
4459 /*** GObject functions ***/
4462 ev_view_finalize (GObject *object)
4464 EvView *view = EV_VIEW (object);
4466 clear_selection (view);
4467 clear_link_selected (view);
4469 if (view->image_dnd_info.image)
4470 g_object_unref (view->image_dnd_info.image);
4471 view->image_dnd_info.image = NULL;
4473 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
4477 ev_view_destroy (GtkObject *object)
4479 EvView *view = EV_VIEW (object);
4482 g_object_unref (view->model);
4486 if (view->document) {
4487 g_object_unref (view->document);
4488 view->document = NULL;
4491 if (view->pixbuf_cache) {
4492 g_object_unref (view->pixbuf_cache);
4493 view->pixbuf_cache = NULL;
4496 if (view->goto_window) {
4497 gtk_widget_destroy (view->goto_window);
4498 view->goto_window = NULL;
4499 view->goto_entry = NULL;
4502 ev_view_window_children_free (view);
4504 if (view->selection_scroll_id) {
4505 g_source_remove (view->selection_scroll_id);
4506 view->selection_scroll_id = 0;
4509 if (view->selection_update_id) {
4510 g_source_remove (view->selection_update_id);
4511 view->selection_update_id = 0;
4514 if (view->loading_text) {
4515 cairo_surface_destroy (view->loading_text);
4516 view->loading_text = NULL;
4519 if (view->scroll_info.timeout_id) {
4520 g_source_remove (view->scroll_info.timeout_id);
4521 view->scroll_info.timeout_id = 0;
4524 if (view->drag_info.drag_timeout_id) {
4525 g_source_remove (view->drag_info.drag_timeout_id);
4526 view->drag_info.drag_timeout_id = 0;
4529 if (view->drag_info.release_timeout_id) {
4530 g_source_remove (view->drag_info.release_timeout_id);
4531 view->drag_info.release_timeout_id = 0;
4534 ev_view_presentation_transition_stop (view);
4536 ev_view_set_scroll_adjustments (GTK_LAYOUT (view), NULL, NULL);
4538 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
4542 ev_view_set_property (GObject *object,
4544 const GValue *value,
4547 EvView *view = EV_VIEW (object);
4550 case PROP_CONTINUOUS:
4551 ev_view_set_continuous (view, g_value_get_boolean (value));
4553 case PROP_DUAL_PAGE:
4554 ev_view_set_dual_page (view, g_value_get_boolean (value));
4556 case PROP_FULLSCREEN:
4557 ev_view_set_fullscreen (view, g_value_get_boolean (value));
4559 case PROP_PRESENTATION:
4560 ev_view_set_presentation (view, g_value_get_boolean (value));
4562 case PROP_SIZING_MODE:
4563 ev_view_set_sizing_mode (view, g_value_get_enum (value));
4566 ev_view_set_zoom (view, g_value_get_double (value));
4569 ev_view_set_rotation (view, g_value_get_int (value));
4572 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
4577 ev_view_get_accessible (GtkWidget *widget)
4579 static gboolean first_time = TRUE;
4582 AtkObjectFactory *factory;
4583 AtkRegistry *registry;
4585 GType derived_atk_type;
4588 * Figure out whether accessibility is enabled by looking at the
4589 * type of the accessible object which would be created for
4590 * the parent type of EvView.
4592 derived_type = g_type_parent (EV_TYPE_VIEW);
4594 registry = atk_get_default_registry ();
4595 factory = atk_registry_get_factory (registry,
4597 derived_atk_type = atk_object_factory_get_accessible_type (factory);
4598 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
4599 atk_registry_set_factory_type (registry,
4601 ev_view_accessible_factory_get_type ());
4604 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
4608 ev_view_get_property (GObject *object,
4613 EvView *view = EV_VIEW (object);
4616 case PROP_CONTINUOUS:
4617 g_value_set_boolean (value, view->continuous);
4619 case PROP_DUAL_PAGE:
4620 g_value_set_boolean (value, view->dual_page);
4622 case PROP_FULLSCREEN:
4623 g_value_set_boolean (value, view->fullscreen);
4625 case PROP_PRESENTATION:
4626 g_value_set_boolean (value, view->presentation);
4628 case PROP_SIZING_MODE:
4629 g_value_set_enum (value, view->sizing_mode);
4632 g_value_set_double (value, view->scale);
4635 g_value_set_int (value, view->rotation);
4637 case PROP_HAS_SELECTION:
4638 g_value_set_boolean (value,
4639 view->selection_info.selections != NULL);
4642 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
4647 ev_view_class_init (EvViewClass *class)
4649 GObjectClass *object_class = G_OBJECT_CLASS (class);
4650 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
4651 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
4652 GtkLayoutClass *layout_class = GTK_LAYOUT_CLASS (class);
4653 GtkBindingSet *binding_set;
4655 object_class->finalize = ev_view_finalize;
4656 object_class->set_property = ev_view_set_property;
4657 object_class->get_property = ev_view_get_property;
4659 widget_class->expose_event = ev_view_expose_event;
4660 widget_class->button_press_event = ev_view_button_press_event;
4661 widget_class->motion_notify_event = ev_view_motion_notify_event;
4662 widget_class->button_release_event = ev_view_button_release_event;
4663 widget_class->key_press_event = ev_view_key_press_event;
4664 widget_class->focus_in_event = ev_view_focus_in;
4665 widget_class->focus_out_event = ev_view_focus_out;
4666 widget_class->get_accessible = ev_view_get_accessible;
4667 widget_class->size_request = ev_view_size_request;
4668 widget_class->size_allocate = ev_view_size_allocate;
4669 widget_class->realize = ev_view_realize;
4670 widget_class->scroll_event = ev_view_scroll_event;
4671 widget_class->enter_notify_event = ev_view_enter_notify_event;
4672 widget_class->leave_notify_event = ev_view_leave_notify_event;
4673 widget_class->style_set = ev_view_style_set;
4674 widget_class->drag_data_get = ev_view_drag_data_get;
4675 widget_class->drag_motion = ev_view_drag_motion;
4676 widget_class->popup_menu = ev_view_popup_menu;
4677 widget_class->query_tooltip = ev_view_query_tooltip;
4679 gtk_object_class->destroy = ev_view_destroy;
4681 layout_class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
4683 class->binding_activated = ev_view_scroll;
4685 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
4686 G_TYPE_FROM_CLASS (object_class),
4687 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4688 G_STRUCT_OFFSET (EvViewClass, binding_activated),
4690 ev_view_marshal_VOID__ENUM_BOOLEAN,
4692 GTK_TYPE_SCROLL_TYPE,
4694 signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link",
4695 G_TYPE_FROM_CLASS (object_class),
4696 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4697 G_STRUCT_OFFSET (EvViewClass, handle_link),
4699 g_cclosure_marshal_VOID__OBJECT,
4702 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
4703 G_TYPE_FROM_CLASS (object_class),
4704 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4705 G_STRUCT_OFFSET (EvViewClass, external_link),
4707 g_cclosure_marshal_VOID__OBJECT,
4710 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
4711 G_TYPE_FROM_CLASS (object_class),
4712 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4713 G_STRUCT_OFFSET (EvViewClass, popup_menu),
4715 g_cclosure_marshal_VOID__OBJECT,
4720 g_object_class_install_property (object_class,
4722 g_param_spec_boolean ("continuous",
4724 "Continuous scrolling mode",
4726 G_PARAM_READWRITE));
4728 g_object_class_install_property (object_class,
4730 g_param_spec_boolean ("dual-page",
4732 "Two pages visible at once",
4734 G_PARAM_READWRITE));
4735 g_object_class_install_property (object_class,
4737 g_param_spec_boolean ("fullscreen",
4739 "Draw page in a fullscreen fashion",
4741 G_PARAM_READWRITE));
4742 g_object_class_install_property (object_class,
4744 g_param_spec_boolean ("presentation",
4746 "Draw page in presentation mode",
4748 G_PARAM_READWRITE));
4750 g_object_class_install_property (object_class,
4752 g_param_spec_enum ("sizing-mode",
4755 EV_TYPE_SIZING_MODE,
4756 EV_SIZING_FIT_WIDTH,
4757 G_PARAM_READWRITE));
4759 g_object_class_install_property (object_class,
4761 g_param_spec_double ("zoom",
4767 G_PARAM_READWRITE));
4768 g_object_class_install_property (object_class,
4770 g_param_spec_double ("rotation",
4776 G_PARAM_READWRITE));
4778 g_object_class_install_property (object_class,
4780 g_param_spec_boolean ("has-selection",
4782 "The view has selections",
4786 binding_set = gtk_binding_set_by_class (class);
4788 add_scroll_binding_keypad (binding_set, GDK_Left, 0, GTK_SCROLL_STEP_BACKWARD, TRUE);
4789 add_scroll_binding_keypad (binding_set, GDK_Right, 0, GTK_SCROLL_STEP_FORWARD, TRUE);
4790 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, TRUE);
4791 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, TRUE);
4792 add_scroll_binding_keypad (binding_set, GDK_Up, 0, GTK_SCROLL_STEP_BACKWARD, FALSE);
4793 add_scroll_binding_keypad (binding_set, GDK_Down, 0, GTK_SCROLL_STEP_FORWARD, FALSE);
4794 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, FALSE);
4795 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, FALSE);
4796 gtk_binding_entry_add_signal (binding_set, GDK_H, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4797 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE);
4798 gtk_binding_entry_add_signal (binding_set, GDK_J, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4799 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE);
4800 gtk_binding_entry_add_signal (binding_set, GDK_K, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4801 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE);
4802 gtk_binding_entry_add_signal (binding_set, GDK_L, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4803 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE);
4808 ev_view_init (EvView *view)
4810 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
4812 view->start_page = -1;
4813 view->end_page = -1;
4816 view->current_page = 0;
4817 view->pressed_button = -1;
4818 view->cursor = EV_VIEW_CURSOR_NORMAL;
4819 view->drag_info.in_drag = FALSE;
4820 view->scroll_info.autoscrolling = FALSE;
4821 view->selection_info.selections = NULL;
4822 view->selection_info.in_selection = FALSE;
4823 view->selection_info.in_drag = FALSE;
4824 view->selection_mode = EV_VIEW_SELECTION_TEXT;
4825 view->continuous = TRUE;
4826 view->dual_page = FALSE;
4827 view->presentation = FALSE;
4828 view->presentation_state = EV_PRESENTATION_NORMAL;
4829 view->fullscreen = FALSE;
4830 view->sizing_mode = EV_SIZING_FIT_WIDTH;
4831 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4832 view->jump_to_find_result = TRUE;
4833 view->highlight_find_results = FALSE;
4835 gtk_layout_set_hadjustment (GTK_LAYOUT (view), NULL);
4836 gtk_layout_set_vadjustment (GTK_LAYOUT (view), NULL);
4842 ev_view_change_page (EvView *view,
4844 gboolean start_transition)
4848 view->current_page = new_page;
4849 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4851 if (view->presentation && start_transition)
4852 ev_view_presentation_transition_start (view);
4854 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4855 ev_view_handle_cursor_over_xy (view, x, y);
4857 gtk_widget_queue_resize (GTK_WIDGET (view));
4861 ev_view_transition_animation_finish (EvTransitionAnimation *animation,
4864 g_object_unref (view->animation);
4865 view->animation = NULL;
4866 ev_view_change_page (view, view->current_page, TRUE);
4870 * ev_view_transition_animation_cancel:
4871 * @animation: Animation to finish
4874 * Does almost the same as cancel, but without scheduling the transition.
4878 ev_view_transition_animation_cancel (EvTransitionAnimation *animation,
4881 g_object_unref (view->animation);
4882 view->animation = NULL;
4883 ev_view_change_page (view, view->current_page, FALSE);
4887 ev_view_transition_animation_frame (EvTransitionAnimation *animation,
4891 gtk_widget_queue_draw (GTK_WIDGET (view));
4895 ev_view_presentation_animation_start (EvView *view,
4898 EvTransitionEffect *effect = NULL;
4899 cairo_surface_t *surface;
4901 if (EV_IS_DOCUMENT_TRANSITION (view->document))
4902 effect = ev_document_transition_get_effect (EV_DOCUMENT_TRANSITION (view->document),
4903 view->current_page);
4907 view->animation = ev_transition_animation_new (effect);
4909 surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page);
4910 ev_transition_animation_set_origin_surface (view->animation, surface);
4911 surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, new_page);
4913 ev_transition_animation_set_dest_surface (view->animation, surface);
4915 g_signal_connect (view->animation, "frame",
4916 G_CALLBACK (ev_view_transition_animation_frame), view);
4917 g_signal_connect (view->animation, "finished",
4918 G_CALLBACK (ev_view_transition_animation_finish), view);
4922 job_finished_cb (EvPixbufCache *pixbuf_cache,
4926 if (view->animation) {
4927 cairo_surface_t *surface;
4929 surface = ev_pixbuf_cache_get_surface (pixbuf_cache, view->current_page);
4930 ev_transition_animation_set_dest_surface (view->animation, surface);
4934 gdk_window_invalidate_region (view->layout.bin_window,
4937 gtk_widget_queue_draw (GTK_WIDGET (view));
4942 ev_view_page_changed_cb (EvDocumentModel *model,
4947 if (!view->document)
4950 if (view->current_page != new_page) {
4951 if (view->presentation)
4952 ev_view_presentation_animation_start (view, new_page);
4954 ev_view_change_page (view, new_page, TRUE);
4956 gtk_widget_queue_draw (GTK_WIDGET (view));
4959 view->find_result = 0;
4963 on_adjustment_value_changed (GtkAdjustment *adjustment,
4968 GList *children, *l;
4970 if (! GTK_WIDGET_REALIZED (view))
4973 if (view->hadjustment) {
4974 dx = view->scroll_x - (int) view->hadjustment->value;
4975 view->scroll_x = (int) view->hadjustment->value;
4980 if (view->vadjustment) {
4981 dy = view->scroll_y - (int) view->vadjustment->value;
4982 view->scroll_y = (int) view->vadjustment->value;
4987 children = gtk_container_get_children (GTK_CONTAINER (view));
4988 for (l = children; l && l->data; l = g_list_next (l)) {
4989 gint child_x, child_y;
4990 GtkWidget *child = (GtkWidget *)l->data;
4992 gtk_container_child_get (GTK_CONTAINER (view),
4997 gtk_layout_move (GTK_LAYOUT (view), child, child_x + dx, child_y + dy);
4999 g_list_free (children);
5001 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
5002 EvViewWindowChild *child;
5004 child = (EvViewWindowChild *)l->data;
5006 ev_view_window_child_move (view, child, child->x + dx, child->y + dy);
5009 if (view->pending_resize)
5010 gtk_widget_queue_draw (GTK_WIDGET (view));
5012 gdk_window_scroll (view->layout.bin_window, dx, dy);
5014 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
5015 ev_view_handle_cursor_over_xy (view, x, y);
5018 view_update_range_and_current_page (view);
5026 view = g_object_new (EV_TYPE_VIEW, NULL);
5032 setup_caches (EvView *view)
5034 view->height_to_page_cache = ev_view_get_height_to_page_cache (view);
5035 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
5036 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
5040 clear_caches (EvView *view)
5042 if (view->pixbuf_cache) {
5043 g_object_unref (view->pixbuf_cache);
5044 view->pixbuf_cache = NULL;
5049 ev_view_set_loading (EvView *view,
5052 view->loading = loading;
5053 gtk_widget_queue_draw (GTK_WIDGET (view));
5057 ev_view_autoscroll_cb (EvView *view)
5059 gdouble speed, value;
5061 /* If the user stops autoscrolling, autoscrolling will be
5062 * set to false but the timeout will continue; stop the timeout: */
5063 if (!view->scroll_info.autoscrolling) {
5064 view->scroll_info.timeout_id = 0;
5068 if (view->scroll_info.last_y > view->scroll_info.start_y &&
5069 (view->scroll_info.last_y < view->scroll_info.start_y))
5072 /* Replace 100 with your speed of choice: The lower the faster.
5073 * Replace 3 with another speed of choice: The higher, the faster it accelerated
5074 * based on the distance of the starting point from the mouse
5075 * (All also effected by the timeout interval of this callback) */
5077 if (view->scroll_info.start_y > view->scroll_info.last_y)
5078 speed = -pow ((((gdouble)view->scroll_info.start_y - view->scroll_info.last_y) / 100), 3);
5080 speed = pow ((((gdouble)view->scroll_info.last_y - view->scroll_info.start_y) / 100), 3);
5082 value = gtk_adjustment_get_value (view->vadjustment);
5083 value = CLAMP (value + speed, 0, view->vadjustment->upper - view->vadjustment->page_size);
5084 gtk_adjustment_set_value (view->vadjustment, value);
5091 ev_view_autoscroll_start (EvView *view)
5095 g_return_if_fail (EV_IS_VIEW (view));
5097 if (view->scroll_info.autoscrolling)
5100 view->scroll_info.autoscrolling = TRUE;
5101 view->scroll_info.timeout_id =
5102 g_timeout_add (20, (GSourceFunc)ev_view_autoscroll_cb,
5105 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
5106 ev_view_handle_cursor_over_xy (view, x, y);
5110 ev_view_autoscroll_stop (EvView *view)
5114 g_return_if_fail (EV_IS_VIEW (view));
5116 if (!view->scroll_info.autoscrolling)
5119 view->scroll_info.autoscrolling = FALSE;
5120 if (view->scroll_info.timeout_id) {
5121 g_source_remove (view->scroll_info.timeout_id);
5122 view->scroll_info.timeout_id = 0;
5125 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
5126 ev_view_handle_cursor_over_xy (view, x, y);
5130 ev_view_document_changed_cb (EvDocumentModel *model,
5134 EvDocument *document = ev_document_model_get_document (model);
5136 view->loading = FALSE;
5138 if (document != view->document) {
5139 clear_caches (view);
5141 if (view->document) {
5142 g_object_unref (view->document);
5145 view->document = document;
5146 view->find_result = 0;
5148 if (view->document) {
5149 g_object_ref (view->document);
5150 setup_caches (view);
5153 ev_view_change_page (view,
5154 ev_document_model_get_page (model),
5160 ev_view_rotation_changed_cb (EvDocumentModel *model,
5164 gint rotation = ev_document_model_get_rotation (model);
5166 ev_view_set_rotation (view, rotation);
5168 if (view->pixbuf_cache) {
5169 ev_pixbuf_cache_clear (view->pixbuf_cache);
5170 if (!ev_document_is_page_size_uniform (view->document))
5171 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5172 gtk_widget_queue_resize (GTK_WIDGET (view));
5175 ev_view_remove_all (view);
5178 clear_selection (view);
5182 ev_view_sizing_mode_changed_cb (EvDocumentModel *model,
5186 EvSizingMode mode = ev_document_model_get_sizing_mode (model);
5188 ev_view_set_sizing_mode (view, mode);
5190 if (mode != EV_SIZING_FREE)
5191 gtk_widget_queue_resize (GTK_WIDGET (view));
5194 #define EPSILON 0.0000001
5196 ev_view_scale_changed_cb (EvDocumentModel *model,
5200 gdouble scale = ev_document_model_get_scale (model);
5202 if (ABS (view->scale - scale) < EPSILON)
5205 if (view->loading_text) {
5206 cairo_surface_destroy (view->loading_text);
5207 view->loading_text = NULL;
5210 ev_view_set_zoom (view, scale);
5212 view->pending_resize = TRUE;
5213 gtk_widget_queue_resize (GTK_WIDGET (view));
5217 ev_view_continuous_changed_cb (EvDocumentModel *model,
5221 gboolean continuous = ev_document_model_get_continuous (model);
5223 ev_view_set_continuous (view, continuous);
5224 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5225 gtk_widget_queue_resize (GTK_WIDGET (view));
5229 ev_view_dual_page_changed_cb (EvDocumentModel *model,
5233 gboolean dual_page = ev_document_model_get_dual_page (model);
5235 ev_view_set_dual_page (view, dual_page);
5236 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5237 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
5238 * preload_cache_size to be 2 if dual_page is set.
5240 gtk_widget_queue_resize (GTK_WIDGET (view));
5244 ev_view_fullscreen_changed_cb (EvDocumentModel *model,
5248 gboolean fullscreen = ev_document_model_get_fullscreen (model);
5250 ev_view_set_fullscreen (view, fullscreen);
5251 gtk_widget_queue_resize (GTK_WIDGET (view));
5255 ev_view_set_model (EvView *view,
5256 EvDocumentModel *model)
5258 g_return_if_fail (EV_IS_VIEW (view));
5259 g_return_if_fail (EV_IS_DOCUMENT_MODEL (model));
5261 if (model == view->model)
5265 g_signal_handlers_disconnect_by_func (view->model,
5266 ev_view_document_changed_cb,
5268 g_signal_handlers_disconnect_by_func (view->model,
5269 ev_view_page_changed_cb,
5271 g_object_unref (view->model);
5273 view->model = g_object_ref (model);
5274 g_signal_connect (view->model, "notify::document",
5275 G_CALLBACK (ev_view_document_changed_cb),
5277 g_signal_connect (view->model, "notify::rotation",
5278 G_CALLBACK (ev_view_rotation_changed_cb),
5280 g_signal_connect (view->model, "notify::sizing-mode",
5281 G_CALLBACK (ev_view_sizing_mode_changed_cb),
5283 g_signal_connect (view->model, "notify::scale",
5284 G_CALLBACK (ev_view_scale_changed_cb),
5286 g_signal_connect (view->model, "notify::continuous",
5287 G_CALLBACK (ev_view_continuous_changed_cb),
5289 g_signal_connect (view->model, "notify::dual-page",
5290 G_CALLBACK (ev_view_dual_page_changed_cb),
5292 g_signal_connect (view->model, "notify::fullscreen",
5293 G_CALLBACK (ev_view_fullscreen_changed_cb),
5295 g_signal_connect (view->model, "page-changed",
5296 G_CALLBACK (ev_view_page_changed_cb),
5301 ev_view_reload_page (EvView *view,
5305 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
5313 ev_view_reload (EvView *view)
5315 ev_pixbuf_cache_clear (view->pixbuf_cache);
5316 view_update_range_and_current_page (view);
5319 /*** Zoom and sizing mode ***/
5322 ev_view_set_zoom (EvView *view,
5325 view->scale = scale;
5327 g_object_notify (G_OBJECT (view), "zoom");
5331 ev_view_get_zoom (EvView *view)
5337 ev_view_get_continuous (EvView *view)
5339 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5341 return view->continuous;
5345 ev_view_set_continuous (EvView *view,
5346 gboolean continuous)
5348 g_return_if_fail (EV_IS_VIEW (view));
5350 view->continuous = continuous;
5352 g_object_notify (G_OBJECT (view), "continuous");
5356 ev_view_get_dual_page (EvView *view)
5358 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5360 return view->dual_page;
5364 ev_view_set_dual_page (EvView *view,
5367 g_return_if_fail (EV_IS_VIEW (view));
5369 view->dual_page = dual_page;
5371 g_object_notify (G_OBJECT (view), "dual-page");
5375 ev_view_set_fullscreen (EvView *view,
5376 gboolean fullscreen)
5378 g_return_if_fail (EV_IS_VIEW (view));
5380 view->fullscreen = fullscreen;
5382 g_object_notify (G_OBJECT (view), "fullscreen");
5386 ev_view_get_fullscreen (EvView *view)
5388 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5390 return view->fullscreen;
5394 ev_view_set_presentation (EvView *view,
5395 gboolean presentation)
5397 g_return_if_fail (EV_IS_VIEW (view));
5399 presentation = presentation != FALSE;
5401 if (view->presentation == presentation)
5405 view->presentation_state = EV_PRESENTATION_NORMAL;
5407 view->presentation = presentation;
5408 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5411 view->sizing_mode_saved = view->sizing_mode;
5412 view->scale_saved = view->scale;
5413 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
5415 ev_document_model_set_sizing_mode (view->model, view->sizing_mode_saved);
5416 ev_document_model_set_scale (view->model, view->scale_saved);
5419 gtk_widget_queue_resize (GTK_WIDGET (view));
5422 ev_view_presentation_transition_start (view);
5424 ev_view_presentation_transition_stop (view);
5426 if (view->animation) {
5427 /* stop any running animation */
5428 ev_view_transition_animation_cancel (view->animation, view);
5432 if (GTK_WIDGET_REALIZED (view)) {
5433 if (view->presentation)
5434 gdk_window_set_background (view->layout.bin_window,
5435 >K_WIDGET (view)->style->black);
5437 gdk_window_set_background (view->layout.bin_window,
5438 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
5441 g_object_notify (G_OBJECT (view), "presentation");
5445 ev_view_get_presentation (EvView *view)
5447 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5449 return view->presentation;
5453 transition_next_page (EvView *view)
5455 ev_view_next_page (view);
5461 ev_view_presentation_transition_stop (EvView *view)
5463 if (view->trans_timeout_id > 0)
5464 g_source_remove (view->trans_timeout_id);
5465 view->trans_timeout_id = 0;
5469 ev_view_presentation_transition_start (EvView *view)
5473 if (!EV_IS_DOCUMENT_TRANSITION (view->document))
5476 ev_view_presentation_transition_stop (view);
5478 duration = ev_document_transition_get_page_duration (EV_DOCUMENT_TRANSITION (view->document),
5479 view->current_page);
5481 view->trans_timeout_id =
5482 g_timeout_add_seconds (duration,
5483 (GSourceFunc) transition_next_page,
5489 ev_view_set_sizing_mode (EvView *view,
5490 EvSizingMode sizing_mode)
5492 view->sizing_mode = sizing_mode;
5494 g_object_notify (G_OBJECT (view), "sizing-mode");
5498 ev_view_get_sizing_mode (EvView *view)
5500 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
5502 return view->sizing_mode;
5506 ev_view_can_zoom_in (EvView *view)
5508 return view->scale * ZOOM_IN_FACTOR <= ev_document_model_get_max_scale (view->model);
5512 ev_view_can_zoom_out (EvView *view)
5514 return view->scale * ZOOM_OUT_FACTOR >= ev_document_model_get_min_scale (view->model);
5518 ev_view_zoom_in (EvView *view)
5522 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5524 if (view->presentation)
5527 view->pending_scroll = SCROLL_TO_CENTER;
5528 scale = ev_document_model_get_scale (view->model) * ZOOM_IN_FACTOR;
5529 ev_document_model_set_scale (view->model, scale);
5533 ev_view_zoom_out (EvView *view)
5537 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5539 if (view->presentation)
5542 view->pending_scroll = SCROLL_TO_CENTER;
5543 scale = ev_document_model_get_scale (view->model) * ZOOM_OUT_FACTOR;
5544 ev_document_model_set_scale (view->model, scale);
5548 ev_view_set_rotation (EvView *view, int rotation)
5550 view->rotation = rotation;
5552 g_object_notify (G_OBJECT (view), "rotation");
5556 ev_view_get_rotation (EvView *view)
5558 return view->rotation;
5562 zoom_for_size_fit_width (gdouble doc_width,
5569 scale = (double)target_width / doc_width;
5571 if (doc_height * scale > target_height)
5572 scale = (double)target_width / doc_width;
5578 zoom_for_size_fit_height (gdouble doc_width,
5585 scale = (double)target_height / doc_height;
5587 if (doc_width * scale > target_width)
5588 scale = (double)target_height / doc_height;
5594 zoom_for_size_best_fit (gdouble doc_width,
5602 w_scale = (double)target_width / doc_width;
5603 h_scale = (double)target_height / doc_height;
5605 if (doc_height * w_scale > target_height)
5606 w_scale = (double)target_width / doc_width;
5607 if (doc_width * h_scale > target_width)
5608 h_scale = (double)target_height / doc_height;
5610 return MIN (w_scale, h_scale);
5615 ev_view_zoom_for_size_presentation (EvView *view,
5619 gdouble doc_width, doc_height;
5622 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5623 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5624 ev_document_model_set_scale (view->model, scale);
5628 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
5632 gdouble doc_width, doc_height;
5636 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5637 if (view->rotation == 90 || view->rotation == 270) {
5641 doc_width = doc_height;
5645 compute_border (view, doc_width, doc_height, &border);
5648 width -= (2 * (border.left + border.right) + 3 * view->spacing);
5649 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5651 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5652 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height);
5653 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5654 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5656 g_assert_not_reached ();
5658 ev_document_model_set_scale (view->model, scale);
5662 ev_view_zoom_for_size_continuous (EvView *view,
5666 gdouble doc_width, doc_height;
5670 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5671 if (view->rotation == 90 || view->rotation == 270) {
5675 doc_width = doc_height;
5679 compute_border (view, doc_width, doc_height, &border);
5681 width -= (border.left + border.right + 2 * view->spacing);
5682 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5684 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5685 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height);
5686 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5687 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5689 g_assert_not_reached ();
5691 ev_document_model_set_scale (view->model, scale);
5695 ev_view_zoom_for_size_dual_page (EvView *view,
5700 gdouble doc_width, doc_height;
5704 other_page = view->current_page ^ 1;
5706 /* Find the largest of the two. */
5707 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5708 if (other_page < ev_document_get_n_pages (view->document)) {
5709 gdouble width_2, height_2;
5711 get_doc_page_size (view, other_page, &width_2, &height_2);
5712 if (width_2 > doc_width)
5713 doc_width = width_2;
5714 if (height_2 > doc_height)
5715 doc_height = height_2;
5717 compute_border (view, width, height, &border);
5719 doc_width = doc_width * 2;
5720 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
5721 height -= (border.top + border.bottom + 2 * view->spacing);
5723 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5724 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height);
5725 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5726 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5728 g_assert_not_reached ();
5730 ev_document_model_set_scale (view->model, scale);
5734 ev_view_zoom_for_size_single_page (EvView *view,
5738 gdouble doc_width, doc_height;
5742 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5744 /* Get an approximate border */
5745 compute_border (view, width, height, &border);
5747 width -= (border.left + border.right + 2 * view->spacing);
5748 height -= (border.top + border.bottom + 2 * view->spacing);
5750 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5751 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height);
5752 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5753 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5755 g_assert_not_reached ();
5757 ev_document_model_set_scale (view->model, scale);
5761 ev_view_zoom_for_size (EvView *view,
5765 g_return_if_fail (EV_IS_VIEW (view));
5766 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
5767 view->sizing_mode == EV_SIZING_BEST_FIT);
5768 g_return_if_fail (width >= 0);
5769 g_return_if_fail (height >= 0);
5771 if (view->document == NULL)
5774 if (view->presentation)
5775 ev_view_zoom_for_size_presentation (view, width, height);
5776 else if (view->continuous && view->dual_page)
5777 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height);
5778 else if (view->continuous)
5779 ev_view_zoom_for_size_continuous (view, width, height);
5780 else if (view->dual_page)
5781 ev_view_zoom_for_size_dual_page (view, width, height);
5783 ev_view_zoom_for_size_single_page (view, width, height);
5788 ev_view_find_get_n_results (EvView *view, gint page)
5790 return view->find_pages ? g_list_length (view->find_pages[page]) : 0;
5793 static EvRectangle *
5794 ev_view_find_get_result (EvView *view, gint page, gint result)
5796 return view->find_pages ? (EvRectangle *) g_list_nth_data (view->find_pages[page], result) : NULL;
5800 jump_to_find_result (EvView *view)
5803 gint page = view->current_page;
5805 n_results = ev_view_find_get_n_results (view, page);
5807 if (n_results > 0 && view->find_result < n_results) {
5809 GdkRectangle view_rect;
5811 rect = ev_view_find_get_result (view, page, view->find_result);
5812 doc_rect_to_view_rect (view, page, rect, &view_rect);
5813 ensure_rectangle_is_visible (view, &view_rect);
5814 view->jump_to_find_result = FALSE;
5820 * @view: #EvView instance
5821 * @direction: Direction to look
5822 * @shift: Shift from current page
5824 * Jumps to the first page that has occurences of searched word.
5825 * Uses a direction where to look and a shift from current page.
5829 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
5833 n_pages = ev_document_get_n_pages (view->document);
5835 for (i = 0; i < n_pages; i++) {
5838 if (direction == EV_VIEW_FIND_NEXT)
5839 page = view->current_page + i;
5841 page = view->current_page - i;
5844 if (page >= n_pages) {
5845 page = page - n_pages;
5846 } else if (page < 0)
5847 page = page + n_pages;
5849 if (ev_view_find_get_n_results (view, page) > 0) {
5850 ev_document_model_set_page (view->model, page);
5857 ev_view_find_changed (EvView *view, GList **results, gint page)
5859 view->find_pages = results;
5861 if (view->jump_to_find_result == TRUE) {
5862 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
5863 jump_to_find_result (view);
5866 if (view->current_page == page)
5867 gtk_widget_queue_draw (GTK_WIDGET (view));
5871 ev_view_find_next (EvView *view)
5875 n_results = ev_view_find_get_n_results (view, view->current_page);
5876 view->find_result++;
5878 if (view->find_result >= n_results) {
5879 view->find_result = 0;
5880 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
5881 jump_to_find_result (view);
5883 jump_to_find_result (view);
5884 gtk_widget_queue_draw (GTK_WIDGET (view));
5889 ev_view_find_previous (EvView *view)
5891 view->find_result--;
5893 if (view->find_result < 0) {
5894 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
5895 view->find_result = MAX (0, ev_view_find_get_n_results (view, view->current_page) - 1);
5896 jump_to_find_result (view);
5898 jump_to_find_result (view);
5899 gtk_widget_queue_draw (GTK_WIDGET (view));
5904 ev_view_find_search_changed (EvView *view)
5906 /* search string has changed, focus on new search result */
5907 view->jump_to_find_result = TRUE;
5908 view->find_pages = NULL;
5912 ev_view_find_set_highlight_search (EvView *view, gboolean value)
5914 view->highlight_find_results = value;
5915 gtk_widget_queue_draw (GTK_WIDGET (view));
5919 ev_view_find_cancel (EvView *view)
5921 view->find_pages = NULL;
5924 /*** Selections ***/
5926 /* compute_new_selection_rect/text calculates the area currently selected by
5927 * view_rect. each handles a different mode;
5930 compute_new_selection_rect (EvView *view,
5934 GdkRectangle view_rect;
5938 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
5940 view_rect.x = MIN (start->x, stop->x);
5941 view_rect.y = MIN (start->y, stop->y);
5942 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
5943 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
5945 n_pages = ev_document_get_n_pages (view->document);
5947 for (i = 0; i < n_pages; i++) {
5948 GdkRectangle page_area;
5951 if (get_page_extents (view, i, &page_area, &border)) {
5952 GdkRectangle overlap;
5954 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
5955 EvViewSelection *selection;
5957 selection = g_new0 (EvViewSelection, 1);
5958 selection->page = i;
5959 view_rect_to_doc_rect (view, &overlap, &page_area,
5960 &(selection->rect));
5962 list = g_list_append (list, selection);
5971 gdk_rectangle_point_in (GdkRectangle *rectangle,
5974 return rectangle->x <= point->x &&
5975 rectangle->y <= point->y &&
5976 point->x < rectangle->x + rectangle->width &&
5977 point->y < rectangle->y + rectangle->height;
5981 compute_new_selection_text (EvView *view,
5982 EvSelectionStyle style,
5986 int n_pages, i, first, last;
5988 EvViewSelection *selection;
5989 gdouble width, height;
5990 int start_page, end_page;
5992 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
5994 n_pages = ev_document_get_n_pages (view->document);
5996 /* First figure out the range of pages the selection
6000 if (view->continuous) {
6003 } else if (view->dual_page) {
6004 start_page = view->start_page;
6005 end_page = view->end_page + 1;
6007 start_page = view->current_page;
6008 end_page = view->current_page + 1;
6011 for (i = start_page; i < end_page; i++) {
6012 GdkRectangle page_area;
6015 get_page_extents (view, i, &page_area, &border);
6016 if (gdk_rectangle_point_in (&page_area, start) ||
6017 gdk_rectangle_point_in (&page_area, stop)) {
6018 if (first == n_pages)
6025 /* Now create a list of EvViewSelection's for the affected
6026 * pages. This could be an empty list, a list of just one
6027 * page or a number of pages.*/
6028 for (i = first; i < last + 1; i++) {
6029 GdkRectangle page_area;
6033 get_doc_page_size (view, i, &width, &height);
6035 selection = g_new0 (EvViewSelection, 1);
6036 selection->page = i;
6037 selection->style = style;
6038 selection->rect.x1 = selection->rect.y1 = 0;
6039 selection->rect.x2 = width;
6040 selection->rect.y2 = height;
6042 get_page_extents (view, i, &page_area, &border);
6044 if (gdk_rectangle_point_in (&page_area, start))
6050 view_point_to_doc_point (view, point, &page_area,
6051 &selection->rect.x1,
6052 &selection->rect.y1);
6054 /* If the selection is contained within just one page,
6055 * make sure we don't write 'start' into both points
6056 * in selection->rect. */
6061 view_point_to_doc_point (view, point, &page_area,
6062 &selection->rect.x2,
6063 &selection->rect.y2);
6065 list = g_list_append (list, selection);
6071 /* This function takes the newly calculated list, and figures out which regions
6072 * have changed. It then queues a redraw approporiately.
6075 merge_selection_region (EvView *view,
6079 GList *new_list_ptr, *old_list_ptr;
6081 /* Update the selection */
6082 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
6083 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
6084 g_list_free (view->selection_info.selections);
6085 view->selection_info.selections = new_list;
6086 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
6087 g_object_notify (G_OBJECT (view), "has-selection");
6089 new_list_ptr = new_list;
6090 old_list_ptr = old_list;
6092 while (new_list_ptr || old_list_ptr) {
6093 EvViewSelection *old_sel, *new_sel;
6095 GdkRegion *region = NULL;
6097 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
6098 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
6100 /* Assume that the lists are in order, and we run through them
6101 * comparing them, one page at a time. We come out with the
6102 * first page we see. */
6103 if (new_sel && old_sel) {
6104 if (new_sel->page < old_sel->page) {
6105 new_list_ptr = new_list_ptr->next;
6107 } else if (new_sel->page > old_sel->page) {
6108 old_list_ptr = old_list_ptr->next;
6111 new_list_ptr = new_list_ptr->next;
6112 old_list_ptr = old_list_ptr->next;
6114 } else if (new_sel) {
6115 new_list_ptr = new_list_ptr->next;
6116 } else if (old_sel) {
6117 old_list_ptr = old_list_ptr->next;
6120 g_assert (new_sel || old_sel);
6122 /* is the page we're looking at on the screen?*/
6123 cur_page = new_sel ? new_sel->page : old_sel->page;
6124 if (cur_page < view->start_page || cur_page > view->end_page)
6127 /* seed the cache with a new page. We are going to need the new
6130 GdkRegion *tmp_region = NULL;
6132 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
6138 new_sel->covered_region = gdk_region_copy (tmp_region);
6142 /* Now we figure out what needs redrawing */
6143 if (old_sel && new_sel) {
6144 if (old_sel->covered_region && new_sel->covered_region) {
6145 /* We only want to redraw the areas that have
6146 * changed, so we xor the old and new regions
6147 * and redraw if it's different */
6148 region = gdk_region_copy (old_sel->covered_region);
6149 gdk_region_xor (region, new_sel->covered_region);
6150 if (gdk_region_empty (region)) {
6151 gdk_region_destroy (region);
6154 } else if (old_sel->covered_region) {
6155 region = gdk_region_copy (old_sel->covered_region);
6156 } else if (new_sel->covered_region) {
6157 region = gdk_region_copy (new_sel->covered_region);
6159 } else if (old_sel && !new_sel) {
6160 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
6161 region = gdk_region_copy (old_sel->covered_region);
6163 } else if (!old_sel && new_sel) {
6164 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
6165 region = gdk_region_copy (new_sel->covered_region);
6168 g_assert_not_reached ();
6171 /* Redraw the damaged region! */
6173 GdkRectangle page_area;
6176 /* I don't know why but the region is smaller
6177 * than expected. This hack fixes it, I guess
6178 * 10 pixels more won't hurt
6180 gdk_region_shrink (region, -5, -5);
6182 get_page_extents (view, cur_page, &page_area, &border);
6183 gdk_region_offset (region,
6184 page_area.x + border.left - view->scroll_x,
6185 page_area.y + border.top - view->scroll_y);
6186 gdk_window_invalidate_region (view->layout.bin_window, region, TRUE);
6187 gdk_region_destroy (region);
6191 /* Free the old list, now that we're done with it. */
6192 g_list_foreach (old_list, (GFunc) selection_free, NULL);
6193 g_list_free (old_list);
6197 compute_selections (EvView *view,
6198 EvSelectionStyle style,
6204 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
6205 list = compute_new_selection_rect (view, start, stop);
6207 list = compute_new_selection_text (view, style, start, stop);
6208 merge_selection_region (view, list);
6211 /* Free's the selection. It's up to the caller to queue redraws if needed.
6214 selection_free (EvViewSelection *selection)
6216 if (selection->covered_region)
6217 gdk_region_destroy (selection->covered_region);
6222 clear_selection (EvView *view)
6224 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
6225 g_list_free (view->selection_info.selections);
6226 view->selection_info.selections = NULL;
6227 view->selection_info.in_selection = FALSE;
6228 if (view->pixbuf_cache)
6229 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
6230 g_object_notify (G_OBJECT (view), "has-selection");
6234 ev_view_select_all (EvView *view)
6236 GList *selections = NULL;
6239 /* Disable selection on rotated pages for the 0.4.0 series */
6240 if (view->rotation != 0)
6243 clear_selection (view);
6245 n_pages = ev_document_get_n_pages (view->document);
6246 for (i = 0; i < n_pages; i++) {
6247 gdouble width, height;
6248 EvViewSelection *selection;
6250 get_doc_page_size (view, i, &width, &height);
6252 selection = g_new0 (EvViewSelection, 1);
6253 selection->page = i;
6254 selection->style = EV_SELECTION_STYLE_GLYPH;
6255 selection->rect.x1 = selection->rect.y1 = 0;
6256 selection->rect.x2 = width;
6257 selection->rect.y2 = height;
6259 selections = g_list_append (selections, selection);
6262 merge_selection_region (view, selections);
6263 gtk_widget_queue_draw (GTK_WIDGET (view));
6267 ev_view_get_has_selection (EvView *view)
6269 return view->selection_info.selections != NULL;
6273 get_selected_text (EvView *view)
6277 gchar *normalized_text;
6278 EvRenderContext *rc;
6280 text = g_string_new (NULL);
6281 rc = ev_render_context_new (NULL, view->rotation, view->scale);
6283 ev_document_doc_mutex_lock ();
6285 for (l = view->selection_info.selections; l != NULL; l = l->next) {
6286 EvViewSelection *selection = (EvViewSelection *)l->data;
6290 page = ev_document_get_page (view->document, selection->page);
6291 ev_render_context_set_page (rc, page);
6292 g_object_unref (page);
6294 tmp = ev_selection_get_selected_text (EV_SELECTION (view->document),
6295 rc, selection->style,
6296 &(selection->rect));
6298 g_string_append (text, tmp);
6302 g_object_unref (rc);
6304 ev_document_doc_mutex_unlock ();
6306 normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC);
6307 g_string_free (text, TRUE);
6308 return normalized_text;
6312 ev_view_clipboard_copy (EvView *view,
6315 GtkClipboard *clipboard;
6317 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
6318 GDK_SELECTION_CLIPBOARD);
6319 gtk_clipboard_set_text (clipboard, text, -1);
6323 ev_view_copy (EvView *ev_view)
6327 if (!EV_IS_SELECTION (ev_view->document))
6330 text = get_selected_text (ev_view);
6331 ev_view_clipboard_copy (ev_view, text);
6336 ev_view_primary_get_cb (GtkClipboard *clipboard,
6337 GtkSelectionData *selection_data,
6341 EvView *ev_view = EV_VIEW (data);
6343 if (ev_view->link_selected) {
6344 gtk_selection_data_set_text (selection_data,
6345 ev_link_action_get_uri (ev_view->link_selected),
6347 } else if (EV_IS_SELECTION (ev_view->document) &&
6348 ev_view->selection_info.selections) {
6351 text = get_selected_text (ev_view);
6353 gtk_selection_data_set_text (selection_data, text, -1);
6360 ev_view_primary_clear_cb (GtkClipboard *clipboard,
6363 EvView *view = EV_VIEW (data);
6365 clear_selection (view);
6366 clear_link_selected (view);
6370 ev_view_update_primary_selection (EvView *ev_view)
6372 GtkClipboard *clipboard;
6374 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
6375 GDK_SELECTION_PRIMARY);
6377 if (ev_view->selection_info.selections || ev_view->link_selected) {
6378 GtkTargetList *target_list;
6379 GtkTargetEntry *targets;
6382 target_list = gtk_target_list_new (NULL, 0);
6383 gtk_target_list_add_text_targets (target_list, 0);
6384 targets = gtk_target_table_new_from_list (target_list, &n_targets);
6385 gtk_target_list_unref (target_list);
6387 if (!gtk_clipboard_set_with_owner (clipboard,
6389 ev_view_primary_get_cb,
6390 ev_view_primary_clear_cb,
6391 G_OBJECT (ev_view)))
6392 ev_view_primary_clear_cb (clipboard, ev_view);
6394 gtk_target_table_free (targets, n_targets);
6396 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
6397 gtk_clipboard_clear (clipboard);
6402 clear_link_selected (EvView *view)
6404 if (view->link_selected) {
6405 g_object_unref (view->link_selected);
6406 view->link_selected = NULL;
6411 ev_view_copy_link_address (EvView *view,
6412 EvLinkAction *action)
6414 clear_link_selected (view);
6416 ev_view_clipboard_copy (view, ev_link_action_get_uri (action));
6418 view->link_selected = g_object_ref (action);
6419 ev_view_update_primary_selection (view);
6422 /*** Cursor operations ***/
6425 ev_view_create_invisible_cursor(void)
6428 GdkColor black = { 0, 0, 0, 0 };
6429 static char bits[] = { 0x00 };
6431 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
6433 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
6437 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
6439 GdkCursor *cursor = NULL;
6440 GdkDisplay *display;
6443 if (view->cursor == new_cursor) {
6447 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
6448 display = gtk_widget_get_display (widget);
6449 view->cursor = new_cursor;
6451 switch (new_cursor) {
6452 case EV_VIEW_CURSOR_NORMAL:
6453 gdk_window_set_cursor (view->layout.bin_window, NULL);
6455 case EV_VIEW_CURSOR_IBEAM:
6456 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
6458 case EV_VIEW_CURSOR_LINK:
6459 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
6461 case EV_VIEW_CURSOR_WAIT:
6462 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
6464 case EV_VIEW_CURSOR_HIDDEN:
6465 cursor = ev_view_create_invisible_cursor ();
6467 case EV_VIEW_CURSOR_DRAG:
6468 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
6470 case EV_VIEW_CURSOR_AUTOSCROLL:
6471 cursor = gdk_cursor_new_for_display (display, GDK_DOUBLE_ARROW);
6476 gdk_window_set_cursor (view->layout.bin_window, cursor);
6477 gdk_cursor_unref (cursor);
6483 ev_view_hide_cursor (EvView *view)
6485 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
6489 ev_view_show_cursor (EvView *view)
6491 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
6495 ev_view_reset_presentation_state (EvView *view)
6497 if (!view->presentation ||
6498 view->presentation_state == EV_PRESENTATION_NORMAL)
6501 view->presentation_state = EV_PRESENTATION_NORMAL;
6502 gdk_window_set_background (view->layout.bin_window,
6503 >K_WIDGET (view)->style->black);
6504 gtk_widget_queue_draw (GTK_WIDGET (view));
6508 ev_view_next_page (EvView *view)
6512 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
6514 if (!view->document)
6517 if (view->presentation &&
6518 (view->presentation_state == EV_PRESENTATION_BLACK ||
6519 view->presentation_state == EV_PRESENTATION_WHITE)) {
6520 ev_view_reset_presentation_state (view);
6524 if (view->animation) {
6525 ev_view_transition_animation_cancel (view->animation, view);
6528 ev_view_presentation_transition_stop (view);
6529 ev_view_reset_presentation_state (view);
6531 page = ev_document_model_get_page (view->model);
6532 n_pages = ev_document_get_n_pages (view->document);
6534 if (view->dual_page && !view->presentation)
6539 if (page < n_pages) {
6540 ev_document_model_set_page (view->model, page);
6542 } else if (view->presentation && page == n_pages) {
6543 view->presentation_state = EV_PRESENTATION_END;
6544 gtk_widget_queue_draw (GTK_WIDGET (view));
6546 } else if (view->dual_page && page == n_pages) {
6547 ev_document_model_set_page (view->model, page - 1);
6555 ev_view_previous_page (EvView *view)
6559 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
6561 if (!view->document)
6564 if (view->presentation &&
6565 view->presentation_state == EV_PRESENTATION_END) {
6566 ev_view_reset_presentation_state (view);
6570 if (view->presentation &&
6571 (view->presentation_state == EV_PRESENTATION_BLACK ||
6572 view->presentation_state == EV_PRESENTATION_WHITE)) {
6573 ev_view_reset_presentation_state (view);
6577 if (view->animation) {
6578 ev_view_transition_animation_cancel (view->animation, view);
6581 ev_view_reset_presentation_state (view);
6583 page = ev_document_model_get_page (view->model);
6585 if (view->dual_page && !view->presentation)
6591 ev_document_model_set_page (view->model, page);
6593 } else if (ev_view_get_dual_page (view) && page == -1) {
6594 ev_document_model_set_page (view->model, 0);