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 ev_view_get_scrollbar_size (EvView *view,
485 GtkOrientation orientation)
487 GtkWidget *widget = GTK_WIDGET (view);
489 GtkWidget *swindow = gtk_widget_get_parent (GTK_WIDGET (view));
493 if (!GTK_IS_SCROLLED_WINDOW (swindow))
496 if (orientation == GTK_ORIENTATION_VERTICAL) {
497 if (widget->allocation.height >= widget->requisition.height)
498 sb = gtk_scrolled_window_get_vscrollbar (GTK_SCROLLED_WINDOW (swindow));
502 if (widget->allocation.width >= widget->requisition.width)
503 sb = gtk_scrolled_window_get_hscrollbar (GTK_SCROLLED_WINDOW (swindow));
508 gtk_widget_style_get (swindow, "scrollbar_spacing", &spacing, NULL);
509 gtk_widget_size_request (sb, &req);
511 return (orientation == GTK_ORIENTATION_VERTICAL ? req.width : req.height) + spacing;
515 scroll_to_point (EvView *view,
518 GtkOrientation orientation)
520 if (orientation == GTK_ORIENTATION_VERTICAL) {
521 if (view->continuous) {
522 gtk_adjustment_clamp_page (view->vadjustment,
523 y - view->spacing / 2,
524 y + view->vadjustment->page_size);
526 gtk_adjustment_set_value (view->vadjustment,
528 view->vadjustment->lower,
529 view->vadjustment->upper -
530 view->vadjustment->page_size));
533 if (view->dual_page) {
534 gtk_adjustment_clamp_page (view->hadjustment, x,
535 x + view->hadjustment->page_size);
537 gtk_adjustment_set_value (view->hadjustment,
539 view->hadjustment->lower,
540 view->hadjustment->upper -
541 view->hadjustment->page_size));
547 ev_view_scroll_to_page_position (EvView *view, GtkOrientation orientation)
554 if ((orientation == GTK_ORIENTATION_VERTICAL && view->pending_point.y == 0) ||
555 (orientation == GTK_ORIENTATION_HORIZONTAL && view->pending_point.x == 0)) {
556 GdkRectangle page_area;
559 get_page_extents (view, view->current_page, &page_area, &border);
565 doc_point_to_view_point (view, view->current_page,
566 &view->pending_point, &view_point);
571 scroll_to_point (view, x, y, orientation);
575 view_set_adjustment_values (EvView *view,
576 GtkOrientation orientation)
578 GtkWidget *widget = GTK_WIDGET (view);
579 GtkAdjustment *adjustment;
586 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
587 requisition = widget->requisition.width;
588 allocation = widget->allocation.width;
589 adjustment = view->hadjustment;
591 requisition = widget->requisition.height;
592 allocation = widget->allocation.height;
593 adjustment = view->vadjustment;
600 switch (view->pending_scroll) {
601 case SCROLL_TO_KEEP_POSITION:
602 case SCROLL_TO_FIND_LOCATION:
603 factor = (adjustment->value) / adjustment->upper;
605 case SCROLL_TO_PAGE_POSITION:
607 case SCROLL_TO_CENTER:
608 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
612 adjustment->page_size = allocation;
613 adjustment->step_increment = allocation * 0.1;
614 adjustment->page_increment = allocation * 0.9;
615 adjustment->lower = 0;
616 adjustment->upper = MAX (allocation, requisition);
619 * We add 0.5 to the values before to average out our rounding errors.
621 switch (view->pending_scroll) {
622 case SCROLL_TO_KEEP_POSITION:
623 case SCROLL_TO_FIND_LOCATION:
624 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
625 gtk_adjustment_set_value (adjustment, (int)new_value);
627 case SCROLL_TO_PAGE_POSITION:
628 ev_view_scroll_to_page_position (view, orientation);
630 case SCROLL_TO_CENTER:
631 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
632 0, adjustment->upper - adjustment->page_size);
633 gtk_adjustment_set_value (adjustment, (int)new_value);
637 gtk_adjustment_changed (adjustment);
641 view_update_range_and_current_page (EvView *view)
643 gint start = view->start_page;
644 gint end = view->end_page;
646 /* Presentation trumps all other modes */
647 if (view->presentation) {
648 view->start_page = view->current_page;
649 view->end_page = view->current_page;
650 } else if (view->continuous) {
651 GdkRectangle current_area, unused, page_area;
653 gboolean found = FALSE;
654 gint area_max = -1, area;
655 gint best_current_page = -1;
658 if (!(view->vadjustment && view->hadjustment))
661 current_area.x = view->hadjustment->value;
662 current_area.width = view->hadjustment->page_size;
663 current_area.y = view->vadjustment->value;
664 current_area.height = view->vadjustment->page_size;
666 for (i = 0; i < ev_document_get_n_pages (view->document); i++) {
668 get_page_extents (view, i, &page_area, &border);
670 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
671 area = unused.width * unused.height;
675 view->start_page = i;
677 best_current_page = i;
679 if (area > area_max) {
680 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
686 } else if (found && view->current_page <= view->end_page) {
687 if (view->dual_page && j < 1) {
688 /* In dual mode we stop searching
689 * after two consecutive non-visible pages.
698 if (view->pending_scroll == SCROLL_TO_KEEP_POSITION) {
699 best_current_page = MAX (best_current_page, view->start_page);
701 if (view->current_page != best_current_page) {
702 view->current_page = best_current_page;
703 ev_document_model_set_page (view->model, best_current_page);
706 } else if (view->dual_page) {
707 if (view->current_page % 2 == get_dual_even_left (view)) {
708 view->start_page = view->current_page;
709 if (view->current_page + 1 < ev_document_get_n_pages (view->document))
710 view->end_page = view->start_page + 1;
712 view->end_page = view->start_page;
714 if (view->current_page < 1)
715 view->start_page = view->current_page;
717 view->start_page = view->current_page - 1;
718 view->end_page = view->current_page;
721 view->start_page = view->current_page;
722 view->end_page = view->current_page;
725 if (start != view->start_page || end != view->end_page) {
728 for (i = start; i < view->start_page; i++) {
729 hide_annotation_windows (view, i);
732 for (i = end; i > view->end_page; i--) {
733 hide_annotation_windows (view, i);
737 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
742 view->selection_info.selections);
744 if (ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page))
745 gtk_widget_queue_draw (GTK_WIDGET (view));
749 set_scroll_adjustment (EvView *view,
750 GtkOrientation orientation,
751 GtkAdjustment *adjustment)
753 GtkAdjustment **to_set;
755 if (orientation == GTK_ORIENTATION_HORIZONTAL)
756 to_set = &view->hadjustment;
758 to_set = &view->vadjustment;
760 if (*to_set != adjustment) {
762 g_signal_handlers_disconnect_by_func (*to_set,
763 (gpointer) on_adjustment_value_changed,
765 g_object_unref (*to_set);
768 *to_set = adjustment;
769 view_set_adjustment_values (view, orientation);
772 g_object_ref (*to_set);
773 g_signal_connect (*to_set, "value_changed",
774 G_CALLBACK (on_adjustment_value_changed), view);
780 ev_view_set_scroll_adjustments (GtkLayout *layout,
781 GtkAdjustment *hadjustment,
782 GtkAdjustment *vadjustment)
784 EvView *view = EV_VIEW (layout);
786 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
787 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
789 on_adjustment_value_changed (NULL, view);
793 add_scroll_binding_keypad (GtkBindingSet *binding_set,
795 GdkModifierType modifiers,
796 GtkScrollType scroll,
799 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
801 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
802 "binding_activated", 2,
803 GTK_TYPE_SCROLL_TYPE, scroll,
804 G_TYPE_BOOLEAN, horizontal);
805 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
806 "binding_activated", 2,
807 GTK_TYPE_SCROLL_TYPE, scroll,
808 G_TYPE_BOOLEAN, horizontal);
812 compute_scroll_increment (EvView *view,
813 GtkScrollType scroll)
815 GtkWidget *widget = GTK_WIDGET (view);
816 GtkAdjustment *adjustment = view->vadjustment;
817 GdkRegion *text_region, *region;
820 EvRectangle doc_rect;
821 GdkRectangle page_area;
825 gdouble fraction = 1.0;
827 if (scroll != GTK_SCROLL_PAGE_BACKWARD && scroll != GTK_SCROLL_PAGE_FORWARD)
828 return adjustment->page_size;
830 page = scroll == GTK_SCROLL_PAGE_BACKWARD ? view->start_page : view->end_page;
832 text_region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
833 if (!text_region || gdk_region_empty (text_region))
834 return adjustment->page_size;
836 get_page_extents (view, page, &page_area, &border);
837 rect.x = page_area.x + view->scroll_x;
838 rect.y = view->scroll_y + (scroll == GTK_SCROLL_PAGE_BACKWARD ? 5 : widget->allocation.height - 5);
839 rect.width = page_area.width;
841 view_rect_to_doc_rect (view, &rect, &page_area, &doc_rect);
843 /* Convert the doc rectangle into a GdkRectangle */
844 rect.x = doc_rect.x1;
845 rect.y = doc_rect.y1;
846 rect.width = doc_rect.x2 - doc_rect.x1;
847 rect.height = MAX (1, doc_rect.y2 - doc_rect.y1);
848 region = gdk_region_rectangle (&rect);
850 gdk_region_intersect (region, text_region);
851 gdk_region_get_rectangles (region, &recs, &n_recs);
852 gdk_region_destroy (region);
857 ev_page = ev_document_get_page (view->document, page);
858 rc = ev_render_context_new (ev_page, view->rotation, view->scale);
859 g_object_unref (ev_page);
860 /* Get the selection region to know the height of the line */
861 doc_rect.x1 = doc_rect.x2 = recs[0].x + 0.5;
862 doc_rect.y1 = doc_rect.y2 = recs[0].y + 0.5;
864 ev_document_doc_mutex_lock ();
865 region = ev_selection_get_selection_region (EV_SELECTION (view->document),
866 rc, EV_SELECTION_STYLE_LINE,
868 ev_document_doc_mutex_unlock ();
872 gdk_region_get_rectangles (region, &recs, &n_recs);
873 gdk_region_destroy (region);
875 fraction = 1 - (recs[0].height / adjustment->page_size);
880 return adjustment->page_size * fraction;
885 ev_view_scroll (EvView *view,
886 GtkScrollType scroll,
889 GtkAdjustment *adjustment;
890 double value, increment;
891 gboolean first_page = FALSE;
892 gboolean last_page = FALSE;
894 view->jump_to_find_result = FALSE;
896 if (view->presentation || view->sizing_mode == EV_SIZING_BEST_FIT) {
898 case GTK_SCROLL_PAGE_BACKWARD:
899 case GTK_SCROLL_STEP_BACKWARD:
900 ev_view_previous_page (view);
902 case GTK_SCROLL_PAGE_FORWARD:
903 case GTK_SCROLL_STEP_FORWARD:
904 ev_view_next_page (view);
912 /* Assign values for increment and vertical adjustment */
913 adjustment = horizontal ? view->hadjustment : view->vadjustment;
914 value = adjustment->value;
916 /* Assign boolean for first and last page */
917 if (view->current_page == 0)
919 if (view->current_page == ev_document_get_n_pages (view->document) - 1)
923 case GTK_SCROLL_PAGE_BACKWARD:
924 /* Do not jump backwards if at the first page */
925 if (value == (adjustment->lower) && first_page) {
927 /* At the top of a page, assign the upper bound limit of previous page */
928 } else if (value == (adjustment->lower)) {
929 value = adjustment->upper - adjustment->page_size;
930 ev_view_previous_page (view);
931 /* Jump to the top */
933 increment = compute_scroll_increment (view, GTK_SCROLL_PAGE_BACKWARD);
934 value = MAX (value - increment, adjustment->lower);
937 case GTK_SCROLL_PAGE_FORWARD:
938 /* Do not jump forward if at the last page */
939 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
941 /* At the bottom of a page, assign the lower bound limit of next page */
942 } else if (value == (adjustment->upper - adjustment->page_size)) {
944 ev_view_next_page (view);
945 /* Jump to the bottom */
947 increment = compute_scroll_increment (view, GTK_SCROLL_PAGE_FORWARD);
948 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
951 case GTK_SCROLL_STEP_BACKWARD:
952 value -= adjustment->step_increment;
954 case GTK_SCROLL_STEP_FORWARD:
955 value += adjustment->step_increment;
957 case GTK_SCROLL_STEP_DOWN:
958 value -= adjustment->step_increment / 10;
960 case GTK_SCROLL_STEP_UP:
961 value += adjustment->step_increment / 10;
967 value = CLAMP (value, adjustment->lower,
968 adjustment->upper - adjustment->page_size);
970 gtk_adjustment_set_value (adjustment, value);
976 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
978 GtkWidget *widget = GTK_WIDGET (view);
979 GtkAdjustment *adjustment;
982 view->pending_scroll = SCROLL_TO_FIND_LOCATION;
984 adjustment = view->vadjustment;
986 if (rect->y < adjustment->value) {
987 value = MAX (adjustment->lower, rect->y - MARGIN);
988 gtk_adjustment_set_value (view->vadjustment, value);
989 } else if (rect->y + rect->height >
990 adjustment->value + widget->allocation.height) {
991 value = MIN (adjustment->upper, rect->y + rect->height -
992 widget->allocation.height + MARGIN);
993 gtk_adjustment_set_value (view->vadjustment, value);
996 adjustment = view->hadjustment;
998 if (rect->x < adjustment->value) {
999 value = MAX (adjustment->lower, rect->x - MARGIN);
1000 gtk_adjustment_set_value (view->hadjustment, value);
1001 } else if (rect->x + rect->height >
1002 adjustment->value + widget->allocation.width) {
1003 value = MIN (adjustment->upper, rect->x + rect->width -
1004 widget->allocation.width + MARGIN);
1005 gtk_adjustment_set_value (view->hadjustment, value);
1008 gtk_widget_queue_resize (GTK_WIDGET (view));
1011 /*** Geometry computations ***/
1014 compute_border (EvView *view, int width, int height, GtkBorder *border)
1016 if (view->presentation) {
1022 ev_document_misc_get_page_border_size (width, height, border);
1027 _get_page_size_for_scale_and_rotation (EvDocument *document,
1037 ev_document_get_page_size (document, page, &w, &h);
1039 width = (gint)(w * scale + 0.5);
1040 height = (gint)(h * scale + 0.5);
1043 *page_width = (rotation == 0 || rotation == 180) ? width : height;
1045 *page_height = (rotation == 0 || rotation == 180) ? height : width;
1049 ev_view_get_page_size (EvView *view,
1054 _get_page_size_for_scale_and_rotation (view->document,
1063 ev_view_get_max_page_size (EvView *view,
1070 ev_document_get_max_page_size (view->document, &w, &h);
1072 width = (gint)(w * view->scale + 0.5);
1073 height = (gint)(h * view->scale + 0.5);
1076 *max_width = (view->rotation == 0 || view->rotation == 180) ? width : height;
1078 *max_height = (view->rotation == 0 || view->rotation == 180) ? height : width;
1082 get_page_y_offset (EvView *view, int page, int *y_offset)
1084 int max_width, offset;
1087 g_return_if_fail (y_offset != NULL);
1089 ev_view_get_max_page_size (view, &max_width, NULL);
1090 compute_border (view, max_width, max_width, &border);
1092 if (view->dual_page) {
1093 ev_view_get_height_to_page (view, page, NULL, &offset);
1094 offset += ((page + get_dual_even_left (view)) / 2 + 1) * view->spacing +
1095 ((page + get_dual_even_left (view)) / 2 ) * (border.top + border.bottom);
1097 ev_view_get_height_to_page (view, page, &offset, NULL);
1098 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
1106 get_page_extents (EvView *view,
1108 GdkRectangle *page_area,
1114 widget = GTK_WIDGET (view);
1116 /* Get the size of the page */
1117 ev_view_get_page_size (view, page, &width, &height);
1118 compute_border (view, width, height, border);
1119 page_area->width = width + border->left + border->right;
1120 page_area->height = height + border->top + border->bottom;
1122 if (view->presentation) {
1123 page_area->x = (MAX (0, widget->allocation.width - width))/2;
1124 page_area->y = (MAX (0, widget->allocation.height - height))/2;
1125 } else if (view->continuous) {
1129 ev_view_get_max_page_size (view, &max_width, NULL);
1130 max_width = max_width + border->left + border->right;
1131 /* Get the location of the bounding box */
1132 if (view->dual_page) {
1133 x = view->spacing + ((page % 2 == get_dual_even_left (view)) ? 0 : 1) * (max_width + view->spacing);
1134 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
1135 if (page % 2 == get_dual_even_left (view))
1136 x = x + (max_width - width - border->left - border->right);
1139 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
1142 get_page_y_offset (view, page, &y);
1148 if (view->dual_page) {
1149 gint width_2, height_2;
1150 gint max_width = width;
1151 gint max_height = height;
1152 GtkBorder overall_border;
1155 other_page = (page % 2 == get_dual_even_left (view)) ? page + 1: page - 1;
1157 /* First, we get the bounding box of the two pages */
1158 if (other_page < ev_document_get_n_pages (view->document)
1159 && (0 <= other_page)) {
1160 ev_view_get_page_size (view, other_page,
1161 &width_2, &height_2);
1162 if (width_2 > width)
1163 max_width = width_2;
1164 if (height_2 > height)
1165 max_height = height_2;
1167 compute_border (view, max_width, max_height, &overall_border);
1169 /* Find the offsets */
1173 /* Adjust for being the left or right page */
1174 if (page % 2 == get_dual_even_left (view))
1175 x = x + max_width - width;
1177 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
1179 y = y + (max_height - height)/2;
1181 /* Adjust for extra allocation */
1182 x = x + MAX (0, widget->allocation.width -
1183 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
1184 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
1189 /* Adjust for extra allocation */
1190 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
1191 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
1202 get_doc_page_size (EvView *view,
1209 ev_document_get_page_size (view->document, page, &w, &h);
1210 if (view->rotation == 0 || view->rotation == 180) {
1211 if (width) *width = w;
1212 if (height) *height = h;
1214 if (width) *width = h;
1215 if (height) *height = w;
1220 view_point_to_doc_point (EvView *view,
1221 GdkPoint *view_point,
1222 GdkRectangle *page_area,
1223 double *doc_point_x,
1224 double *doc_point_y)
1226 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
1227 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
1231 view_rect_to_doc_rect (EvView *view,
1232 GdkRectangle *view_rect,
1233 GdkRectangle *page_area,
1234 EvRectangle *doc_rect)
1236 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
1237 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
1238 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
1239 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
1243 doc_point_to_view_point (EvView *view,
1246 GdkPoint *view_point)
1248 GdkRectangle page_area;
1250 double x, y, view_x, view_y;
1251 gdouble width, height;
1253 get_doc_page_size (view, page, &width, &height);
1255 if (view->rotation == 0) {
1258 } else if (view->rotation == 90) {
1259 x = width - doc_point->y;
1261 } else if (view->rotation == 180) {
1262 x = width - doc_point->x;
1263 y = height - doc_point->y;
1264 } else if (view->rotation == 270) {
1266 y = height - doc_point->x;
1268 g_assert_not_reached ();
1271 get_page_extents (view, page, &page_area, &border);
1273 view_x = CLAMP (x * view->scale, 0, page_area.width);
1274 view_y = CLAMP (y * view->scale, 0, page_area.height);
1275 view_point->x = view_x + page_area.x;
1276 view_point->y = view_y + page_area.y;
1280 doc_rect_to_view_rect (EvView *view,
1282 EvRectangle *doc_rect,
1283 GdkRectangle *view_rect)
1285 GdkRectangle page_area;
1288 gdouble width, height;
1290 get_doc_page_size (view, page, &width, &height);
1292 if (view->rotation == 0) {
1295 w = doc_rect->x2 - doc_rect->x1;
1296 h = doc_rect->y2 - doc_rect->y1;
1297 } else if (view->rotation == 90) {
1298 x = width - doc_rect->y2;
1300 w = doc_rect->y2 - doc_rect->y1;
1301 h = doc_rect->x2 - doc_rect->x1;
1302 } else if (view->rotation == 180) {
1303 x = width - doc_rect->x2;
1304 y = height - doc_rect->y2;
1305 w = doc_rect->x2 - doc_rect->x1;
1306 h = doc_rect->y2 - doc_rect->y1;
1307 } else if (view->rotation == 270) {
1309 y = height - doc_rect->x2;
1310 w = doc_rect->y2 - doc_rect->y1;
1311 h = doc_rect->x2 - doc_rect->x1;
1313 g_assert_not_reached ();
1316 get_page_extents (view, page, &page_area, &border);
1318 view_rect->x = x * view->scale + page_area.x;
1319 view_rect->y = y * view->scale + page_area.y;
1320 view_rect->width = w * view->scale;
1321 view_rect->height = h * view->scale;
1325 get_dual_even_left (EvView *view)
1327 return (ev_document_get_n_pages (view->document) > 2);
1331 find_page_at_location (EvView *view,
1340 if (view->document == NULL)
1344 g_assert (x_offset);
1345 g_assert (y_offset);
1347 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
1348 GdkRectangle page_area;
1351 if (! get_page_extents (view, i, &page_area, &border))
1354 if ((x >= page_area.x + border.left) &&
1355 (x < page_area.x + page_area.width - border.right) &&
1356 (y >= page_area.y + border.top) &&
1357 (y < page_area.y + page_area.height - border.bottom)) {
1359 *x_offset = x - (page_area.x + border.left);
1360 *y_offset = y - (page_area.y + border.top);
1369 location_in_text (EvView *view,
1375 gint x_offset = 0, y_offset = 0;
1377 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1382 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
1385 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1391 ev_view_get_width (EvView *view)
1393 return GTK_WIDGET (view)->allocation.width;
1397 ev_view_get_height (EvView *view)
1399 return GTK_WIDGET (view)->allocation.height;
1403 location_in_selected_text (EvView *view,
1408 gint x_offset = 0, y_offset = 0;
1409 EvViewSelection *selection;
1412 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1413 selection = (EvViewSelection *)l->data;
1415 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1417 if (page != selection->page)
1420 if (selection->covered_region &&
1421 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1429 get_doc_point_from_offset (EvView *view,
1436 gdouble width, height;
1439 get_doc_page_size (view, page, &width, &height);
1441 x_offset = x_offset / view->scale;
1442 y_offset = y_offset / view->scale;
1444 if (view->rotation == 0) {
1447 } else if (view->rotation == 90) {
1449 y = width - x_offset;
1450 } else if (view->rotation == 180) {
1451 x = width - x_offset;
1452 y = height - y_offset;
1453 } else if (view->rotation == 270) {
1454 x = height - y_offset;
1457 g_assert_not_reached ();
1467 get_doc_point_from_location (EvView *view,
1474 gint x_offset = 0, y_offset = 0;
1476 x += view->scroll_x;
1477 y += view->scroll_y;
1478 find_page_at_location (view, x, y, page, &x_offset, &y_offset);
1482 return get_doc_point_from_offset (view, *page, x_offset, y_offset, x_new, y_new);
1486 ev_view_get_area_from_mapping (EvView *view,
1488 GList *mapping_list,
1494 mapping = ev_mapping_list_find (mapping_list, data);
1495 doc_rect_to_view_rect (view, page, &mapping->area, area);
1496 area->x -= view->scroll_x;
1497 area->y -= view->scroll_y;
1503 ev_view_get_link_at_location (EvView *view,
1508 gint x_new = 0, y_new = 0;
1509 GList *link_mapping;
1511 if (!EV_IS_DOCUMENT_LINKS (view->document))
1514 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1517 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1520 return ev_mapping_list_get_data (link_mapping, x_new, y_new);
1526 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1529 gdouble zoom, left, top;
1530 gboolean change_left, change_top;
1532 left = ev_link_dest_get_left (dest, &change_left);
1533 top = ev_link_dest_get_top (dest, &change_top);
1535 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - left,
1536 ev_link_dest_get_bottom (dest) - top,
1537 ev_view_get_width (view),
1538 ev_view_get_height (view));
1540 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1541 ev_document_model_set_scale (view->model, zoom);
1543 doc_point.x = change_left ? left : 0;
1544 doc_point.y = change_top ? top : 0;
1545 view->pending_point = doc_point;
1547 ev_view_change_page (view, ev_link_dest_get_page (dest), TRUE);
1551 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1554 gdouble doc_width, doc_height;
1557 gboolean change_left;
1559 page = ev_link_dest_get_page (dest);
1560 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1562 left = ev_link_dest_get_left (dest, &change_left);
1563 doc_point.x = change_left ? left : 0;
1566 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1567 ev_view_get_width (view),
1568 ev_view_get_height (view));
1570 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1571 ev_document_model_set_scale (view->model, zoom);
1573 view->pending_point = doc_point;
1575 ev_view_change_page (view, page, TRUE);
1579 goto_fith_dest (EvView *view, EvLinkDest *dest)
1582 gdouble doc_width, doc_height;
1585 gboolean change_top;
1587 page = ev_link_dest_get_page (dest);
1588 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1590 top = ev_link_dest_get_top (dest, &change_top);
1593 doc_point.y = change_top ? top : 0;
1595 zoom = zoom_for_size_fit_width (doc_width, top,
1596 ev_view_get_width (view),
1597 ev_view_get_height (view));
1599 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FIT_WIDTH);
1600 ev_document_model_set_scale (view->model, zoom);
1602 view->pending_point = doc_point;
1604 ev_view_change_page (view, page, TRUE);
1608 goto_fit_dest (EvView *view, EvLinkDest *dest)
1611 gdouble doc_width, doc_height;
1614 page = ev_link_dest_get_page (dest);
1615 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1617 zoom = zoom_for_size_best_fit (doc_width, doc_height,
1618 ev_view_get_width (view),
1619 ev_view_get_height (view));
1621 ev_document_model_set_sizing_mode (view->model, EV_SIZING_BEST_FIT);
1622 ev_document_model_set_scale (view->model, zoom);
1624 ev_view_change_page (view, page, TRUE);
1628 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1632 gdouble zoom, left, top;
1633 gboolean change_zoom, change_left, change_top;
1635 zoom = ev_link_dest_get_zoom (dest, &change_zoom);
1636 page = ev_link_dest_get_page (dest);
1638 if (change_zoom && zoom > 1) {
1639 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1640 ev_document_model_set_scale (view->model, zoom);
1643 left = ev_link_dest_get_left (dest, &change_left);
1644 top = ev_link_dest_get_top (dest, &change_top);
1646 doc_point.x = change_left ? left : 0;
1647 doc_point.y = change_top ? top : 0;
1648 view->pending_point = doc_point;
1650 ev_view_change_page (view, page, TRUE);
1654 goto_dest (EvView *view, EvLinkDest *dest)
1656 EvLinkDestType type;
1657 int page, n_pages, current_page;
1659 page = ev_link_dest_get_page (dest);
1660 n_pages = ev_document_get_n_pages (view->document);
1662 if (page < 0 || page >= n_pages)
1665 current_page = view->current_page;
1667 type = ev_link_dest_get_dest_type (dest);
1670 case EV_LINK_DEST_TYPE_PAGE:
1671 ev_document_model_set_page (view->model, page);
1673 case EV_LINK_DEST_TYPE_FIT:
1674 goto_fit_dest (view, dest);
1676 case EV_LINK_DEST_TYPE_FITH:
1677 goto_fith_dest (view, dest);
1679 case EV_LINK_DEST_TYPE_FITV:
1680 goto_fitv_dest (view, dest);
1682 case EV_LINK_DEST_TYPE_FITR:
1683 goto_fitr_dest (view, dest);
1685 case EV_LINK_DEST_TYPE_XYZ:
1686 goto_xyz_dest (view, dest);
1688 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1689 ev_document_model_set_page_by_label (view->model, ev_link_dest_get_page_label (dest));
1692 g_assert_not_reached ();
1695 if (current_page != view->current_page)
1696 ev_document_model_set_page (view->model, view->current_page);
1700 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1702 EvLinkDestType type;
1704 type = ev_link_dest_get_dest_type (dest);
1706 if (type == EV_LINK_DEST_TYPE_NAMED) {
1708 const gchar *named_dest;
1710 named_dest = ev_link_dest_get_named_dest (dest);
1711 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1714 goto_dest (view, dest2);
1715 g_object_unref (dest2);
1721 goto_dest (view, dest);
1725 ev_view_handle_link (EvView *view, EvLink *link)
1727 EvLinkAction *action = NULL;
1728 EvLinkActionType type;
1730 action = ev_link_get_action (link);
1734 type = ev_link_action_get_action_type (action);
1737 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1740 g_signal_emit (view, signals[SIGNAL_HANDLE_LINK], 0, link);
1742 dest = ev_link_action_get_dest (action);
1743 ev_view_goto_dest (view, dest);
1746 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1747 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1748 case EV_LINK_ACTION_TYPE_LAUNCH:
1749 case EV_LINK_ACTION_TYPE_NAMED:
1750 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1756 ev_view_page_label_from_dest (EvView *view, EvLinkDest *dest)
1758 EvLinkDestType type;
1761 type = ev_link_dest_get_dest_type (dest);
1764 case EV_LINK_DEST_TYPE_NAMED: {
1766 const gchar *named_dest;
1768 named_dest = ev_link_dest_get_named_dest (dest);
1769 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1772 msg = ev_document_get_page_label (view->document,
1773 ev_link_dest_get_page (dest2));
1774 g_object_unref (dest2);
1779 case EV_LINK_DEST_TYPE_PAGE_LABEL: {
1780 msg = g_strdup (ev_link_dest_get_page_label (dest));
1784 msg = ev_document_get_page_label (view->document,
1785 ev_link_dest_get_page (dest));
1792 tip_from_action_named (EvLinkAction *action)
1794 const gchar *name = ev_link_action_get_name (action);
1796 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1797 return g_strdup (_("Go to first page"));
1798 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1799 return g_strdup (_("Go to previous page"));
1800 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1801 return g_strdup (_("Go to next page"));
1802 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1803 return g_strdup (_("Go to last page"));
1804 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1805 return g_strdup (_("Go to page"));
1806 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1807 return g_strdup (_("Find"));
1814 tip_from_link (EvView *view, EvLink *link)
1816 EvLinkAction *action;
1817 EvLinkActionType type;
1822 action = ev_link_get_action (link);
1823 title = ev_link_get_title (link);
1826 return title ? g_strdup (title) : NULL;
1828 type = ev_link_action_get_action_type (action);
1831 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1832 page_label = ev_view_page_label_from_dest (view,
1833 ev_link_action_get_dest (action));
1835 msg = g_strdup_printf (_("Go to page %s"), page_label);
1836 g_free (page_label);
1839 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1841 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1842 ev_link_action_get_filename (action));
1844 msg = g_strdup_printf (_("Go to file “%s”"),
1845 ev_link_action_get_filename (action));
1848 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1849 msg = g_strdup (ev_link_action_get_uri (action));
1851 case EV_LINK_ACTION_TYPE_LAUNCH:
1852 msg = g_strdup_printf (_("Launch %s"),
1853 ev_link_action_get_filename (action));
1855 case EV_LINK_ACTION_TYPE_NAMED:
1856 msg = tip_from_action_named (action);
1860 msg = g_strdup (title);
1868 ev_view_handle_cursor_over_xy (EvView *view, gint x, gint y)
1872 EvAnnotation *annot = NULL;
1874 if (view->cursor == EV_VIEW_CURSOR_HIDDEN)
1877 if (view->drag_info.in_drag) {
1878 if (view->cursor != EV_VIEW_CURSOR_DRAG)
1879 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1883 if (view->scroll_info.autoscrolling) {
1884 if (view->cursor != EV_VIEW_CURSOR_AUTOSCROLL)
1885 ev_view_set_cursor (view, EV_VIEW_CURSOR_AUTOSCROLL);
1889 link = ev_view_get_link_at_location (view, x, y);
1891 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1892 } else if ((field = ev_view_get_form_field_at_location (view, x, y))) {
1893 if (field->is_read_only) {
1894 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1895 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1896 view->cursor == EV_VIEW_CURSOR_DRAG)
1897 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1898 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
1899 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1901 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1903 } else if ((annot = ev_view_get_annotation_at_location (view, x, y))) {
1904 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1905 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1906 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1908 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1909 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1910 view->cursor == EV_VIEW_CURSOR_DRAG ||
1911 view->cursor == EV_VIEW_CURSOR_AUTOSCROLL)
1912 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1916 g_object_set (view, "has-tooltip", TRUE, NULL);
1921 ev_view_get_image_at_location (EvView *view,
1926 gint x_new = 0, y_new = 0;
1927 GList *image_mapping;
1929 if (!EV_IS_DOCUMENT_IMAGES (view->document))
1932 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1935 image_mapping = ev_pixbuf_cache_get_image_mapping (view->pixbuf_cache, page);
1938 return ev_mapping_list_get_data (image_mapping, x_new, y_new);
1944 static EvFormField *
1945 ev_view_get_form_field_at_location (EvView *view,
1950 gint x_new = 0, y_new = 0;
1951 GList *forms_mapping;
1953 if (!EV_IS_DOCUMENT_FORMS (view->document))
1956 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1959 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, page);
1962 return ev_mapping_list_get_data (forms_mapping, x_new, y_new);
1968 ev_view_form_field_get_region (EvView *view,
1971 GdkRectangle view_area;
1972 GList *forms_mapping;
1974 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
1975 field->page->index);
1976 ev_view_get_area_from_mapping (view, field->page->index,
1980 return gdk_region_rectangle (&view_area);
1984 ev_view_forms_remove_widgets (EvView *view)
1986 ev_view_remove_all (view);
1992 ev_view_form_field_destroy (GtkWidget *widget,
1995 g_idle_add ((GSourceFunc)ev_view_forms_remove_widgets, view);
1999 ev_view_form_field_button_create_widget (EvView *view,
2002 EvFormFieldButton *field_button = EV_FORM_FIELD_BUTTON (field);
2003 GdkRegion *field_region = NULL;
2005 switch (field_button->type) {
2006 case EV_FORM_FIELD_BUTTON_PUSH:
2008 case EV_FORM_FIELD_BUTTON_CHECK:
2009 case EV_FORM_FIELD_BUTTON_RADIO: {
2011 GList *forms_mapping, *l;
2013 state = ev_document_forms_form_field_button_get_state (EV_DOCUMENT_FORMS (view->document),
2016 /* FIXME: it actually depends on NoToggleToOff flags */
2017 if (field_button->type == EV_FORM_FIELD_BUTTON_RADIO &&
2018 state && field_button->state)
2021 field_region = ev_view_form_field_get_region (view, field);
2023 /* For radio buttons and checkbox buttons that are in a set
2024 * we need to update also the region for the current selected item
2026 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
2027 field->page->index);
2028 for (l = forms_mapping; l; l = g_list_next (l)) {
2029 EvFormField *button = ((EvMapping *)(l->data))->data;
2030 GdkRegion *button_region;
2032 if (button->id == field->id)
2035 /* FIXME: only buttons in the same group should be updated */
2036 if (!EV_IS_FORM_FIELD_BUTTON (button) ||
2037 EV_FORM_FIELD_BUTTON (button)->type != field_button->type ||
2038 EV_FORM_FIELD_BUTTON (button)->state != TRUE)
2041 button_region = ev_view_form_field_get_region (view, button);
2042 gdk_region_union (field_region, button_region);
2043 gdk_region_destroy (button_region);
2046 ev_document_forms_form_field_button_set_state (EV_DOCUMENT_FORMS (view->document),
2048 field_button->state = !state;
2053 ev_view_reload_page (view, field->page->index, field_region);
2054 gdk_region_destroy (field_region);
2060 ev_view_form_field_text_save (EvView *view,
2065 if (!view->document)
2068 field = g_object_get_data (G_OBJECT (widget), "form-field");
2070 if (field->changed) {
2071 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2072 GdkRegion *field_region;
2074 field_region = ev_view_form_field_get_region (view, field);
2076 ev_document_forms_form_field_text_set_text (EV_DOCUMENT_FORMS (view->document),
2077 field, field_text->text);
2078 field->changed = FALSE;
2079 ev_view_reload_page (view, field->page->index, field_region);
2080 gdk_region_destroy (field_region);
2085 ev_view_form_field_text_changed (GtkWidget *widget,
2088 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2091 if (GTK_IS_ENTRY (widget)) {
2092 text = g_strdup (gtk_entry_get_text (GTK_ENTRY (widget)));
2093 } else if (GTK_IS_TEXT_BUFFER (widget)) {
2094 GtkTextIter start, end;
2096 gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (widget), &start, &end);
2097 text = gtk_text_buffer_get_text (GTK_TEXT_BUFFER (widget),
2098 &start, &end, FALSE);
2101 if (!field_text->text ||
2102 (field_text->text && g_ascii_strcasecmp (field_text->text, text) != 0)) {
2103 g_free (field_text->text);
2104 field_text->text = text;
2105 field->changed = TRUE;
2110 ev_view_form_field_text_create_widget (EvView *view,
2113 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2114 GtkWidget *text = NULL;
2117 txt = ev_document_forms_form_field_text_get_text (EV_DOCUMENT_FORMS (view->document),
2120 switch (field_text->type) {
2121 case EV_FORM_FIELD_TEXT_FILE_SELECT:
2123 case EV_FORM_FIELD_TEXT_NORMAL:
2124 text = gtk_entry_new ();
2125 gtk_entry_set_has_frame (GTK_ENTRY (text), FALSE);
2126 gtk_entry_set_max_length (GTK_ENTRY (text), field_text->max_len);
2127 gtk_entry_set_visibility (GTK_ENTRY (text), !field_text->is_password);
2130 gtk_entry_set_text (GTK_ENTRY (text), txt);
2134 g_signal_connect (text, "changed",
2135 G_CALLBACK (ev_view_form_field_text_changed),
2137 g_signal_connect_after (text, "activate",
2138 G_CALLBACK (ev_view_form_field_destroy),
2141 case EV_FORM_FIELD_TEXT_MULTILINE: {
2142 GtkTextBuffer *buffer;
2144 text = gtk_text_view_new ();
2145 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text));
2148 gtk_text_buffer_set_text (buffer, txt, -1);
2152 g_signal_connect (buffer, "changed",
2153 G_CALLBACK (ev_view_form_field_text_changed),
2159 g_object_weak_ref (G_OBJECT (text),
2160 (GWeakNotify)ev_view_form_field_text_save,
2167 ev_view_form_field_choice_save (EvView *view,
2172 if (!view->document)
2175 field = g_object_get_data (G_OBJECT (widget), "form-field");
2177 if (field->changed) {
2179 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2180 GdkRegion *field_region;
2182 field_region = ev_view_form_field_get_region (view, field);
2184 if (field_choice->is_editable) {
2185 ev_document_forms_form_field_choice_set_text (EV_DOCUMENT_FORMS (view->document),
2186 field, field_choice->text);
2188 ev_document_forms_form_field_choice_unselect_all (EV_DOCUMENT_FORMS (view->document), field);
2189 for (l = field_choice->selected_items; l; l = g_list_next (l)) {
2190 ev_document_forms_form_field_choice_select_item (EV_DOCUMENT_FORMS (view->document),
2192 GPOINTER_TO_INT (l->data));
2195 field->changed = FALSE;
2196 ev_view_reload_page (view, field->page->index, field_region);
2197 gdk_region_destroy (field_region);
2202 ev_view_form_field_choice_changed (GtkWidget *widget,
2205 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2207 if (GTK_IS_COMBO_BOX (widget)) {
2210 item = gtk_combo_box_get_active (GTK_COMBO_BOX (widget));
2211 if (!field_choice->selected_items ||
2212 GPOINTER_TO_INT (field_choice->selected_items->data) != item) {
2213 g_list_free (field_choice->selected_items);
2214 field_choice->selected_items = NULL;
2215 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2216 GINT_TO_POINTER (item));
2217 field->changed = TRUE;
2220 if (GTK_IS_COMBO_BOX_ENTRY (widget)) {
2223 text = gtk_combo_box_get_active_text (GTK_COMBO_BOX (widget));
2224 if (!field_choice->text ||
2225 (field_choice->text && g_ascii_strcasecmp (field_choice->text, text) != 0)) {
2226 g_free (field_choice->text);
2227 field_choice->text = text;
2228 field->changed = TRUE;
2231 } else if (GTK_IS_TREE_SELECTION (widget)) {
2232 GtkTreeSelection *selection = GTK_TREE_SELECTION (widget);
2233 GtkTreeModel *model;
2236 items = gtk_tree_selection_get_selected_rows (selection, &model);
2237 g_list_free (field_choice->selected_items);
2238 field_choice->selected_items = NULL;
2240 for (l = items; l && l->data; l = g_list_next (l)) {
2242 GtkTreePath *path = (GtkTreePath *)l->data;
2245 gtk_tree_model_get_iter (model, &iter, path);
2246 gtk_tree_model_get (model, &iter, 1, &item, -1);
2248 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2249 GINT_TO_POINTER (item));
2251 gtk_tree_path_free (path);
2254 g_list_free (items);
2256 field->changed = TRUE;
2261 ev_view_form_field_choice_create_widget (EvView *view,
2264 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2266 GtkTreeModel *model;
2268 gint selected_item = 0;
2270 n_items = ev_document_forms_form_field_choice_get_n_items (EV_DOCUMENT_FORMS (view->document),
2272 model = GTK_TREE_MODEL (gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT));
2273 for (i = 0; i < n_items; i++) {
2277 item = ev_document_forms_form_field_choice_get_item (EV_DOCUMENT_FORMS (view->document),
2279 if (ev_document_forms_form_field_choice_is_item_selected (
2280 EV_DOCUMENT_FORMS (view->document), field, i)) {
2282 /* FIXME: we need a get_selected_items function in poppler */
2283 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2284 GINT_TO_POINTER (i));
2288 gtk_list_store_append (GTK_LIST_STORE (model), &iter);
2289 gtk_list_store_set (GTK_LIST_STORE (model), &iter,
2297 if (field_choice->type == EV_FORM_FIELD_CHOICE_LIST) {
2298 GtkCellRenderer *renderer;
2299 GtkWidget *tree_view;
2300 GtkTreeSelection *selection;
2302 tree_view = gtk_tree_view_new_with_model (model);
2303 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);
2305 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
2306 if (field_choice->multi_select) {
2307 gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
2310 /* TODO: set selected items */
2312 renderer = gtk_cell_renderer_text_new ();
2313 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
2319 choice = gtk_scrolled_window_new (NULL, NULL);
2320 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (choice),
2321 GTK_POLICY_AUTOMATIC,
2322 GTK_POLICY_AUTOMATIC);
2323 gtk_container_add (GTK_CONTAINER (choice), tree_view);
2324 gtk_widget_show (tree_view);
2326 g_signal_connect (selection, "changed",
2327 G_CALLBACK (ev_view_form_field_choice_changed),
2329 g_signal_connect_after (selection, "changed",
2330 G_CALLBACK (ev_view_form_field_destroy),
2332 } else if (field_choice->is_editable) { /* ComboBoxEntry */
2335 choice = gtk_combo_box_entry_new_with_model (model, 0);
2336 text = ev_document_forms_form_field_choice_get_text (EV_DOCUMENT_FORMS (view->document), field);
2338 gtk_entry_set_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (choice))), text);
2342 g_signal_connect (choice, "changed",
2343 G_CALLBACK (ev_view_form_field_choice_changed),
2345 g_signal_connect_after (GTK_BIN(choice)->child, "activate",
2346 G_CALLBACK (ev_view_form_field_destroy),
2348 } else { /* ComboBoxText */
2349 GtkCellRenderer *renderer;
2351 choice = gtk_combo_box_new_with_model (model);
2352 renderer = gtk_cell_renderer_text_new ();
2353 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (choice),
2355 gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (choice),
2359 gtk_combo_box_set_active (GTK_COMBO_BOX (choice), selected_item);
2360 gtk_combo_box_popup (GTK_COMBO_BOX (choice));
2362 g_signal_connect (choice, "changed",
2363 G_CALLBACK (ev_view_form_field_choice_changed),
2365 g_signal_connect_after (choice, "changed",
2366 G_CALLBACK (ev_view_form_field_destroy),
2370 g_object_unref (model);
2372 g_object_weak_ref (G_OBJECT (choice),
2373 (GWeakNotify)ev_view_form_field_choice_save,
2380 ev_view_handle_form_field (EvView *view,
2385 GtkWidget *field_widget = NULL;
2386 GList *form_field_mapping;
2387 GdkRectangle view_area;
2389 if (field->is_read_only)
2392 if (EV_IS_FORM_FIELD_BUTTON (field)) {
2393 field_widget = ev_view_form_field_button_create_widget (view, field);
2394 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
2395 field_widget = ev_view_form_field_text_create_widget (view, field);
2396 } else if (EV_IS_FORM_FIELD_CHOICE (field)) {
2397 field_widget = ev_view_form_field_choice_create_widget (view, field);
2398 } else if (EV_IS_FORM_FIELD_SIGNATURE (field)) {
2402 /* Form field doesn't require a widget */
2406 g_object_set_data_full (G_OBJECT (field_widget), "form-field",
2407 g_object_ref (field),
2408 (GDestroyNotify)g_object_unref);
2410 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, field->page->index);
2411 ev_view_get_area_from_mapping (view, field->page->index,
2415 gtk_layout_put (GTK_LAYOUT (view), field_widget, view_area.x, view_area.y);
2416 gtk_widget_show (field_widget);
2417 gtk_widget_grab_focus (field_widget);
2421 static EvViewWindowChild *
2422 ev_view_get_window_child (EvView *view,
2425 GList *children = view->window_children;
2428 EvViewWindowChild *child;
2430 child = (EvViewWindowChild *)children->data;
2431 children = children->next;
2433 if (child->window == window)
2441 ev_view_window_child_move (EvView *view,
2442 EvViewWindowChild *child,
2448 gtk_window_move (GTK_WINDOW (child->window),
2449 MAX (child->parent_x, x),
2450 MAX (child->parent_y, y));
2454 ev_view_window_child_move_with_parent (EvView *view,
2457 EvViewWindowChild *child;
2458 gint root_x, root_y;
2460 child = ev_view_get_window_child (view, window);
2461 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2463 if (root_x != child->parent_x || root_y != child->parent_y) {
2464 gint dest_x, dest_y;
2466 dest_x = child->x + (root_x - child->parent_x);
2467 dest_y = child->y + (root_y - child->parent_y);
2468 child->parent_x = root_x;
2469 child->parent_y = root_y;
2470 ev_view_window_child_move (view, child, dest_x, dest_y);
2473 if (child->visible && !GTK_WIDGET_VISIBLE (window))
2474 gtk_widget_show (window);
2478 ev_view_window_child_put (EvView *view,
2486 EvViewWindowChild *child;
2487 gint root_x, root_y;
2489 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2492 child = g_new0 (EvViewWindowChild, 1);
2493 child->window = window;
2495 child->orig_x = orig_x;
2496 child->orig_y = orig_y;
2497 child->parent_x = root_x;
2498 child->parent_y = root_y;
2499 child->visible = ev_annotation_window_is_open (EV_ANNOTATION_WINDOW (window));
2500 ev_view_window_child_move (view, child, x + root_x, y + root_y);
2503 gtk_widget_show (window);
2505 gtk_widget_hide (window);
2507 view->window_children = g_list_append (view->window_children, child);
2510 static EvViewWindowChild *
2511 ev_view_find_window_child_for_annot (EvView *view,
2513 EvAnnotation *annot)
2515 GList *children = view->window_children;
2518 EvViewWindowChild *child;
2519 EvAnnotation *wannot;
2521 child = (EvViewWindowChild *)children->data;
2522 children = children->next;
2524 if (child->page != page)
2527 wannot = ev_annotation_window_get_annotation (EV_ANNOTATION_WINDOW (child->window));
2528 if (wannot == annot || strcmp (wannot->name, annot->name) == 0)
2536 ev_view_window_children_free (EvView *view)
2540 if (!view->window_children)
2543 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
2544 EvViewWindowChild *child;
2546 child = (EvViewWindowChild *)l->data;
2547 gtk_widget_destroy (GTK_WIDGET (child->window));
2550 g_list_free (view->window_children);
2551 view->window_children = NULL;
2552 view->window_child_focus = NULL;
2556 annotation_window_grab_focus (GtkWidget *widget,
2559 if (view->window_child_focus)
2560 ev_annotation_window_ungrab_focus (EV_ANNOTATION_WINDOW (view->window_child_focus->window));
2561 view->window_child_focus = ev_view_get_window_child (view, widget);
2565 annotation_window_closed (EvAnnotationWindow *window,
2568 EvViewWindowChild *child;
2570 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2571 child->visible = FALSE;
2575 annotation_window_moved (EvAnnotationWindow *window,
2580 EvViewWindowChild *child;
2581 GdkRectangle page_area;
2583 GdkRectangle view_rect;
2584 EvRectangle doc_rect;
2587 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2588 if (child->x == x && child->y == y)
2591 child->moved = TRUE;
2595 /* Window has been moved by the user,
2596 * we have to set a new origin in doc coords
2598 gtk_window_get_size (GTK_WINDOW (window), &width, &height);
2599 view_rect.x = (x - child->parent_x) + view->scroll_x;
2600 view_rect.y = (y - child->parent_y) + view->scroll_y;
2601 view_rect.width = width;
2602 view_rect.height = height;
2604 get_page_extents (view, child->page, &page_area, &border);
2605 view_rect_to_doc_rect (view, &view_rect, &page_area, &doc_rect);
2606 child->orig_x = doc_rect.x1;
2607 child->orig_y = doc_rect.y1;
2611 ev_view_annotation_save (EvView *view,
2612 EvAnnotation *annot)
2614 if (!view->document)
2617 if (!annot->changed)
2620 ev_document_annotations_annotation_set_contents (EV_DOCUMENT_ANNOTATIONS (view->document),
2621 annot, annot->contents);
2622 annot->changed = FALSE;
2626 show_annotation_windows (EvView *view,
2632 parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
2634 annots = ev_pixbuf_cache_get_annots_mapping (view->pixbuf_cache, page);
2636 for (l = annots; l && l->data; l = g_list_next (l)) {
2637 EvAnnotation *annot;
2638 EvViewWindowChild *child;
2640 EvRectangle *doc_rect;
2641 GdkRectangle view_rect;
2643 annot = ((EvMapping *)(l->data))->data;
2645 if (!EV_IS_ANNOTATION_MARKUP (annot))
2648 if (!ev_annotation_markup_has_popup (EV_ANNOTATION_MARKUP (annot)))
2651 window = g_object_get_data (G_OBJECT (annot), "popup");
2653 ev_view_window_child_move_with_parent (view, window);
2657 /* Look if we already have a popup for this annot */
2658 child = ev_view_find_window_child_for_annot (view, page, annot);
2659 window = child ? child->window : NULL;
2661 ev_annotation_window_set_annotation (EV_ANNOTATION_WINDOW (window), annot);
2662 g_object_set_data (G_OBJECT (annot), "popup", window);
2663 ev_view_window_child_move_with_parent (view, window);
2665 window = ev_annotation_window_new (annot, parent);
2666 g_signal_connect (window, "grab_focus",
2667 G_CALLBACK (annotation_window_grab_focus),
2669 g_signal_connect (window, "closed",
2670 G_CALLBACK (annotation_window_closed),
2672 g_signal_connect (window, "moved",
2673 G_CALLBACK (annotation_window_moved),
2675 g_object_set_data (G_OBJECT (annot), "popup", window);
2677 doc_rect = (EvRectangle *)ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (window));
2678 doc_rect_to_view_rect (view, page, doc_rect, &view_rect);
2679 view_rect.x -= view->scroll_x;
2680 view_rect.y -= view->scroll_y;
2682 ev_view_window_child_put (view, window, page,
2683 view_rect.x, view_rect.y,
2684 doc_rect->x1, doc_rect->y1);
2686 g_object_weak_ref (G_OBJECT (annot),
2687 (GWeakNotify)ev_view_annotation_save,
2694 hide_annotation_windows (EvView *view,
2699 annots = ev_pixbuf_cache_get_annots_mapping (view->pixbuf_cache, page);
2701 for (l = annots; l && l->data; l = g_list_next (l)) {
2702 EvAnnotation *annot;
2705 annot = ((EvMapping *)(l->data))->data;
2707 if (!EV_IS_ANNOTATION_MARKUP (annot))
2710 window = g_object_get_data (G_OBJECT (annot), "popup");
2712 gtk_widget_hide (window);
2716 static EvAnnotation *
2717 ev_view_get_annotation_at_location (EvView *view,
2722 gint x_new = 0, y_new = 0;
2723 GList *annotations_mapping;
2725 if (!EV_IS_DOCUMENT_ANNOTATIONS (view->document))
2728 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
2731 annotations_mapping = ev_pixbuf_cache_get_annots_mapping (view->pixbuf_cache, page);
2733 if (annotations_mapping)
2734 return ev_mapping_list_get_data (annotations_mapping, x_new, y_new);
2740 ev_view_handle_annotation (EvView *view,
2741 EvAnnotation *annot,
2746 if (EV_IS_ANNOTATION_MARKUP (annot)) {
2749 window = g_object_get_data (G_OBJECT (annot), "popup");
2751 EvViewWindowChild *child;
2753 child = ev_view_get_window_child (view, window);
2754 if (!child->visible) {
2755 child->visible = TRUE;
2756 ev_view_window_child_move (view, child, child->x, child->y);
2757 gtk_widget_show (window);
2762 if (EV_IS_ANNOTATION_ATTACHMENT (annot)) {
2763 EvAttachment *attachment = EV_ANNOTATION_ATTACHMENT (annot)->attachment;
2766 GError *error = NULL;
2768 ev_attachment_open (attachment,
2769 gtk_widget_get_screen (GTK_WIDGET (view)),
2774 g_warning ("%s", error->message);
2775 g_error_free (error);
2781 /*** GtkWidget implementation ***/
2784 ev_view_size_request_continuous_dual_page (EvView *view,
2785 GtkRequisition *requisition)
2789 n_pages = ev_document_get_n_pages (view->document) + 1;
2790 get_page_y_offset (view, n_pages, &requisition->height);
2792 switch (view->sizing_mode) {
2793 case EV_SIZING_FIT_WIDTH:
2794 case EV_SIZING_BEST_FIT:
2795 requisition->width = 1;
2798 case EV_SIZING_FREE: {
2802 ev_view_get_max_page_size (view, &max_width, NULL);
2803 compute_border (view, max_width, max_width, &border);
2804 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
2808 g_assert_not_reached ();
2813 ev_view_size_request_continuous (EvView *view,
2814 GtkRequisition *requisition)
2818 n_pages = ev_document_get_n_pages (view->document);
2819 get_page_y_offset (view, n_pages, &requisition->height);
2821 switch (view->sizing_mode) {
2822 case EV_SIZING_FIT_WIDTH:
2823 case EV_SIZING_BEST_FIT:
2824 requisition->width = 1;
2827 case EV_SIZING_FREE: {
2831 ev_view_get_max_page_size (view, &max_width, NULL);
2832 compute_border (view, max_width, max_width, &border);
2833 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
2837 g_assert_not_reached ();
2842 ev_view_size_request_dual_page (EvView *view,
2843 GtkRequisition *requisition)
2848 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2849 requisition->width = 1;
2850 requisition->height = 1;
2855 /* Find the largest of the two. */
2856 ev_view_get_page_size (view,
2859 if (view->current_page + 1 < ev_document_get_n_pages (view->document)) {
2860 gint width_2, height_2;
2861 ev_view_get_page_size (view,
2862 view->current_page + 1,
2863 &width_2, &height_2);
2864 if (width_2 > width) {
2869 compute_border (view, width, height, &border);
2871 requisition->width = view->sizing_mode == EV_SIZING_FIT_WIDTH ? 1 :
2872 ((width + border.left + border.right) * 2) + (view->spacing * 3);
2873 requisition->height = (height + border.top + border.bottom) + (view->spacing * 2);
2877 ev_view_size_request_single_page (EvView *view,
2878 GtkRequisition *requisition)
2883 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2884 requisition->width = 1;
2885 requisition->height = 1;
2890 ev_view_get_page_size (view, view->current_page, &width, &height);
2891 compute_border (view, width, height, &border);
2893 requisition->width = view->sizing_mode == EV_SIZING_FIT_WIDTH ? 1 :
2894 width + border.left + border.right + (2 * view->spacing);
2895 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2899 ev_view_size_request (GtkWidget *widget,
2900 GtkRequisition *requisition)
2902 EvView *view = EV_VIEW (widget);
2904 if (view->document == NULL) {
2905 requisition->width = 1;
2906 requisition->height = 1;
2910 if (view->presentation) {
2911 requisition->width = 1;
2912 requisition->height = 1;
2916 if (view->continuous && view->dual_page)
2917 ev_view_size_request_continuous_dual_page (view, requisition);
2918 else if (view->continuous)
2919 ev_view_size_request_continuous (view, requisition);
2920 else if (view->dual_page)
2921 ev_view_size_request_dual_page (view, requisition);
2923 ev_view_size_request_single_page (view, requisition);
2927 ev_view_size_allocate (GtkWidget *widget,
2928 GtkAllocation *allocation)
2930 EvView *view = EV_VIEW (widget);
2931 GList *children, *l;
2932 gint root_x, root_y;
2934 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
2936 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2937 view->sizing_mode == EV_SIZING_BEST_FIT) {
2938 ev_view_zoom_for_size (view,
2940 allocation->height);
2941 ev_view_size_request (widget, &widget->requisition);
2944 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
2945 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
2948 view_update_range_and_current_page (view);
2950 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2951 view->pending_resize = FALSE;
2952 view->pending_point.x = 0;
2953 view->pending_point.y = 0;
2955 children = gtk_container_get_children (GTK_CONTAINER (widget));
2956 for (l = children; l && l->data; l = g_list_next (l)) {
2958 GdkRectangle view_area;
2959 GList *form_field_mapping;
2960 GtkAllocation child_allocation;
2961 GtkRequisition child_requisition;
2962 GtkWidget *child = (GtkWidget *)l->data;
2964 field = g_object_get_data (G_OBJECT (child), "form-field");
2968 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
2969 field->page->index);
2970 ev_view_get_area_from_mapping (view, field->page->index,
2974 gtk_widget_size_request (child, &child_requisition);
2975 if (child_requisition.width != view_area.width ||
2976 child_requisition.height != view_area.height)
2977 gtk_widget_set_size_request (child, view_area.width, view_area.height);
2979 gtk_container_child_get (GTK_CONTAINER (widget),
2981 "x", &child_allocation.x,
2982 "y", &child_allocation.y,
2984 if (child_allocation.x != view_area.x ||
2985 child_allocation.y != view_area.y) {
2986 gtk_layout_move (GTK_LAYOUT (widget), child, view_area.x, view_area.y);
2989 g_list_free (children);
2991 if (view->window_children)
2992 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2995 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
2996 EvViewWindowChild *child;
2997 EvRectangle doc_rect;
2998 GdkRectangle view_rect;
3000 child = (EvViewWindowChild *)l->data;
3002 doc_rect = *ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (child->window));
3004 doc_rect.x1 = child->orig_x;
3005 doc_rect.y1 = child->orig_y;
3007 doc_rect_to_view_rect (view, child->page, &doc_rect, &view_rect);
3008 view_rect.x -= view->scroll_x;
3009 view_rect.y -= view->scroll_y;
3011 if (view_rect.x != child->orig_x || view_rect.y != child->orig_y) {
3012 child->parent_x = root_x;
3013 child->parent_y = root_y;
3014 ev_view_window_child_move (view, child, view_rect.x + root_x, view_rect.y + root_y);
3020 ev_view_realize (GtkWidget *widget)
3022 EvView *view = EV_VIEW (widget);
3024 if (GTK_WIDGET_CLASS (ev_view_parent_class)->realize)
3025 (* GTK_WIDGET_CLASS (ev_view_parent_class)->realize) (widget);
3027 gdk_window_set_events (view->layout.bin_window,
3028 (gdk_window_get_events (view->layout.bin_window) |
3030 GDK_BUTTON_PRESS_MASK |
3031 GDK_BUTTON_RELEASE_MASK |
3033 GDK_KEY_PRESS_MASK |
3034 GDK_POINTER_MOTION_MASK |
3035 GDK_POINTER_MOTION_HINT_MASK |
3036 GDK_ENTER_NOTIFY_MASK |
3037 GDK_LEAVE_NOTIFY_MASK));
3039 if (view->presentation)
3040 gdk_window_set_background (view->layout.bin_window, &widget->style->black);
3042 gdk_window_set_background (view->layout.bin_window, &widget->style->mid [GTK_STATE_NORMAL]);
3044 on_adjustment_value_changed (NULL, view);
3048 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
3050 EvView *view = EV_VIEW (widget);
3053 state = event->state & gtk_accelerator_get_default_mod_mask ();
3055 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
3056 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
3057 if (event->direction == GDK_SCROLL_UP ||
3058 event->direction == GDK_SCROLL_LEFT) {
3059 if (ev_view_can_zoom_in (view)) {
3060 ev_view_zoom_in (view);
3063 if (ev_view_can_zoom_out (view)) {
3064 ev_view_zoom_out (view);
3071 view->jump_to_find_result = FALSE;
3073 /* Shift+Wheel scrolls the in the perpendicular direction */
3074 if (state & GDK_SHIFT_MASK) {
3075 if (event->direction == GDK_SCROLL_UP)
3076 event->direction = GDK_SCROLL_LEFT;
3077 else if (event->direction == GDK_SCROLL_LEFT)
3078 event->direction = GDK_SCROLL_UP;
3079 else if (event->direction == GDK_SCROLL_DOWN)
3080 event->direction = GDK_SCROLL_RIGHT;
3081 else if (event->direction == GDK_SCROLL_RIGHT)
3082 event->direction = GDK_SCROLL_DOWN;
3084 event->state &= ~GDK_SHIFT_MASK;
3085 state &= ~GDK_SHIFT_MASK;
3089 (view->presentation ||
3090 (view->sizing_mode == EV_SIZING_BEST_FIT && !view->continuous))) {
3091 switch (event->direction) {
3092 case GDK_SCROLL_DOWN:
3093 case GDK_SCROLL_RIGHT:
3094 ev_view_next_page (view);
3097 case GDK_SCROLL_LEFT:
3098 ev_view_previous_page (view);
3108 static EvViewSelection *
3109 find_selection_for_page (EvView *view,
3114 for (list = view->selection_info.selections; list != NULL; list = list->next) {
3115 EvViewSelection *selection;
3117 selection = (EvViewSelection *) list->data;
3119 if (selection->page == page)
3127 draw_end_presentation_page (EvView *view,
3128 GdkRectangle *page_area)
3130 PangoLayout *layout;
3131 PangoFontDescription *font_desc;
3133 const gchar *text = _("End of presentation. Press Escape to exit.");
3135 if (view->presentation_state != EV_PRESENTATION_END)
3138 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), NULL);
3139 markup = g_strdup_printf ("<span foreground=\"white\">%s</span>", text);
3140 pango_layout_set_markup (layout, markup, -1);
3143 font_desc = pango_font_description_new ();
3144 pango_font_description_set_size (font_desc, 16 * PANGO_SCALE);
3145 pango_layout_set_font_description (layout, font_desc);
3147 gtk_paint_layout (GTK_WIDGET (view)->style,
3148 view->layout.bin_window,
3149 GTK_WIDGET_STATE (view),
3158 pango_font_description_free (font_desc);
3159 g_object_unref (layout);
3163 ev_view_expose_event (GtkWidget *widget,
3164 GdkEventExpose *event)
3166 EvView *view = EV_VIEW (widget);
3170 if (view->animation) {
3171 if (ev_transition_animation_ready (view->animation)) {
3172 GdkRectangle page_area;
3175 if (get_page_extents (view, view->current_page, &page_area, &border)) {
3176 cr = gdk_cairo_create (view->layout.bin_window);
3178 /* normalize to x=0, y=0 */
3179 cairo_translate (cr, page_area.x, page_area.y);
3180 page_area.x = page_area.y = 0;
3182 ev_transition_animation_paint (view->animation, cr, page_area);
3190 if (view->presentation) {
3191 switch (view->presentation_state) {
3192 case EV_PRESENTATION_END: {
3193 GdkRectangle area = {0};
3195 area.width = widget->allocation.width;
3196 area.height = widget->allocation.height;
3198 draw_end_presentation_page (view, &area);
3201 case EV_PRESENTATION_BLACK:
3202 case EV_PRESENTATION_WHITE:
3204 case EV_PRESENTATION_NORMAL:
3208 } else if (view->loading) {
3209 GdkRectangle area = {0};
3211 area.width = widget->allocation.width;
3212 area.height = widget->allocation.height;
3214 draw_loading_text (view,
3219 if (view->document == NULL)
3222 cr = gdk_cairo_create (view->layout.bin_window);
3224 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
3225 GdkRectangle page_area;
3227 gboolean page_ready = TRUE;
3229 if (!get_page_extents (view, i, &page_area, &border))
3232 page_area.x -= view->scroll_x;
3233 page_area.y -= view->scroll_y;
3235 draw_one_page (view, i, cr, &page_area, &border, &(event->area), &page_ready);
3237 if (page_ready && view->find_pages && view->highlight_find_results)
3238 highlight_find_results (view, i);
3239 if (page_ready && EV_IS_DOCUMENT_ANNOTATIONS (view->document))
3240 show_annotation_windows (view, i);
3245 if (GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event)
3246 (* GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) (widget, event);
3252 ev_view_do_popup_menu (EvView *view,
3258 EvAnnotation *annot;
3260 image = ev_view_get_image_at_location (view, x, y);
3262 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, image);
3266 link = ev_view_get_link_at_location (view, x, y);
3268 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
3272 annot = ev_view_get_annotation_at_location (view, x, y);
3274 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, annot);
3278 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, NULL);
3284 ev_view_popup_menu (GtkWidget *widget)
3288 gtk_widget_get_pointer (widget, &x, &y);
3289 return ev_view_do_popup_menu (EV_VIEW (widget), x, y);
3293 get_link_area (EvView *view,
3299 GList *link_mapping;
3301 gint x_offset = 0, y_offset = 0;
3303 x += view->scroll_x;
3304 y += view->scroll_y;
3306 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3308 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
3309 ev_view_get_area_from_mapping (view, page,
3315 get_annot_area (EvView *view,
3318 EvAnnotation *annot,
3321 GList *annots_mapping;
3323 gint x_offset = 0, y_offset = 0;
3325 x += view->scroll_x;
3326 y += view->scroll_y;
3328 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3330 annots_mapping = ev_pixbuf_cache_get_annots_mapping (view->pixbuf_cache, page);
3331 ev_view_get_area_from_mapping (view, page,
3337 ev_view_query_tooltip (GtkWidget *widget,
3340 gboolean keyboard_tip,
3341 GtkTooltip *tooltip)
3343 EvView *view = EV_VIEW (widget);
3345 EvAnnotation *annot;
3348 annot = ev_view_get_annotation_at_location (view, x, y);
3349 if (annot && annot->contents) {
3350 GdkRectangle annot_area;
3352 get_annot_area (view, x, y, annot, &annot_area);
3353 gtk_tooltip_set_text (tooltip, annot->contents);
3354 gtk_tooltip_set_tip_area (tooltip, &annot_area);
3359 link = ev_view_get_link_at_location (view, x, y);
3363 text = tip_from_link (view, link);
3364 if (text && g_utf8_validate (text, -1, NULL)) {
3365 GdkRectangle link_area;
3367 get_link_area (view, x, y, link, &link_area);
3368 gtk_tooltip_set_text (tooltip, text);
3369 gtk_tooltip_set_tip_area (tooltip, &link_area);
3377 start_selection_for_event (EvView *view,
3378 GdkEventButton *event)
3380 clear_selection (view);
3382 view->selection_info.start.x = event->x + view->scroll_x;
3383 view->selection_info.start.y = event->y + view->scroll_y;
3385 switch (event->type) {
3386 case GDK_2BUTTON_PRESS:
3387 view->selection_info.style = EV_SELECTION_STYLE_WORD;
3389 case GDK_3BUTTON_PRESS:
3390 view->selection_info.style = EV_SELECTION_STYLE_LINE;
3393 view->selection_info.style = EV_SELECTION_STYLE_GLYPH;
3397 /* In case of WORD or LINE, compute selections now */
3398 compute_selections (view,
3399 view->selection_info.style,
3400 &(view->selection_info.start),
3401 &(view->selection_info.start));
3405 ev_view_button_press_event (GtkWidget *widget,
3406 GdkEventButton *event)
3408 EvView *view = EV_VIEW (widget);
3410 if (!view->document)
3413 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
3414 gtk_widget_grab_focus (widget);
3417 if (view->window_child_focus) {
3418 EvAnnotationWindow *window;
3419 EvAnnotation *annot;
3421 window = EV_ANNOTATION_WINDOW (view->window_child_focus->window);
3422 annot = ev_annotation_window_get_annotation (window);
3423 ev_annotation_window_ungrab_focus (window);
3424 ev_view_annotation_save (view, annot);
3425 view->window_child_focus = NULL;
3428 view->pressed_button = event->button;
3429 view->selection_info.in_drag = FALSE;
3431 if (view->scroll_info.autoscrolling)
3434 switch (event->button) {
3437 EvAnnotation *annot;
3440 if (EV_IS_SELECTION (view->document) && view->selection_info.selections) {
3441 if (event->type == GDK_3BUTTON_PRESS) {
3442 start_selection_for_event (view, event);
3443 } else if (location_in_selected_text (view,
3444 event->x + view->scroll_x,
3445 event->y + view->scroll_y)) {
3446 view->selection_info.in_drag = TRUE;
3448 start_selection_for_event (view, event);
3451 gtk_widget_queue_draw (widget);
3452 } else if ((annot = ev_view_get_annotation_at_location (view, event->x, event->y))) {
3453 ev_view_handle_annotation (view, annot, event->x, event->y, event->time);
3454 } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) {
3455 ev_view_remove_all (view);
3456 ev_view_handle_form_field (view, field, event->x, event->y);
3457 } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) &&
3458 (image = ev_view_get_image_at_location (view, event->x, event->y))) {
3459 if (view->image_dnd_info.image)
3460 g_object_unref (view->image_dnd_info.image);
3461 view->image_dnd_info.image = g_object_ref (image);
3462 view->image_dnd_info.in_drag = TRUE;
3464 view->image_dnd_info.start.x = event->x + view->scroll_x;
3465 view->image_dnd_info.start.y = event->y + view->scroll_y;
3467 ev_view_remove_all (view);
3469 if (EV_IS_SELECTION (view->document))
3470 start_selection_for_event (view, event);
3475 /* use root coordinates as reference point because
3476 * scrolling changes window relative coordinates */
3477 view->drag_info.start.x = event->x_root;
3478 view->drag_info.start.y = event->y_root;
3479 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
3480 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
3482 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
3486 view->scroll_info.start_y = event->y;
3487 return ev_view_do_popup_menu (view, event->x, event->y);
3494 ev_view_remove_all (EvView *view)
3496 GList *children, *child;
3498 children = gtk_container_get_children (GTK_CONTAINER (view));
3499 for (child = children; child && child->data; child = g_list_next (child)) {
3500 gtk_container_remove (GTK_CONTAINER (view),
3501 GTK_WIDGET (child->data));
3503 g_list_free (children);
3506 /*** Drag and Drop ***/
3508 ev_view_drag_data_get (GtkWidget *widget,
3509 GdkDragContext *context,
3510 GtkSelectionData *selection_data,
3514 EvView *view = EV_VIEW (widget);
3517 case TARGET_DND_TEXT:
3518 if (EV_IS_SELECTION (view->document) &&
3519 view->selection_info.selections) {
3522 text = get_selected_text (view);
3523 gtk_selection_data_set_text (selection_data,
3529 case TARGET_DND_IMAGE:
3530 if (view->image_dnd_info.image) {
3533 ev_document_doc_mutex_lock ();
3534 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3535 view->image_dnd_info.image);
3536 ev_document_doc_mutex_unlock ();
3538 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
3539 g_object_unref (pixbuf);
3542 case TARGET_DND_URI:
3543 if (view->image_dnd_info.image) {
3545 const gchar *tmp_uri;
3548 ev_document_doc_mutex_lock ();
3549 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3550 view->image_dnd_info.image);
3551 ev_document_doc_mutex_unlock ();
3553 tmp_uri = ev_image_save_tmp (view->image_dnd_info.image, pixbuf);
3554 g_object_unref (pixbuf);
3556 uris[0] = (gchar *)tmp_uri;
3558 gtk_selection_data_set_uris (selection_data, uris);
3564 ev_view_drag_motion (GtkWidget *widget,
3565 GdkDragContext *context,
3570 if (gtk_drag_get_source_widget (context) == widget)
3571 gdk_drag_status (context, 0, time);
3573 gdk_drag_status (context, context->suggested_action, time);
3579 selection_update_idle_cb (EvView *view)
3581 compute_selections (view,
3582 view->selection_info.style,
3583 &view->selection_info.start,
3585 view->selection_update_id = 0;
3590 selection_scroll_timeout_cb (EvView *view)
3592 gint x, y, shift = 0;
3593 GtkWidget *widget = GTK_WIDGET (view);
3595 gtk_widget_get_pointer (widget, &x, &y);
3597 if (y > widget->allocation.height) {
3598 shift = (y - widget->allocation.height) / 2;
3604 gtk_adjustment_set_value (view->vadjustment,
3605 CLAMP (view->vadjustment->value + shift,
3606 view->vadjustment->lower,
3607 view->vadjustment->upper -
3608 view->vadjustment->page_size));
3610 if (x > widget->allocation.width) {
3611 shift = (x - widget->allocation.width) / 2;
3617 gtk_adjustment_set_value (view->hadjustment,
3618 CLAMP (view->hadjustment->value + shift,
3619 view->hadjustment->lower,
3620 view->hadjustment->upper -
3621 view->hadjustment->page_size));
3627 ev_view_drag_update_momentum (EvView *view)
3630 if (!view->drag_info.in_drag)
3633 for (i = DRAG_HISTORY - 1; i > 0; i--) {
3634 view->drag_info.buffer[i].x = view->drag_info.buffer[i-1].x;
3635 view->drag_info.buffer[i].y = view->drag_info.buffer[i-1].y;
3638 /* Momentum is a moving average of 10ms granularity over
3639 * the last 100ms with each 10ms stored in buffer.
3642 view->drag_info.momentum.x = (view->drag_info.buffer[DRAG_HISTORY - 1].x - view->drag_info.buffer[0].x);
3643 view->drag_info.momentum.y = (view->drag_info.buffer[DRAG_HISTORY - 1].y - view->drag_info.buffer[0].y);
3649 ev_view_scroll_drag_release (EvView *view)
3651 gdouble dhadj_value, dvadj_value;
3652 gdouble oldhadjustment, oldvadjustment;
3654 view->drag_info.momentum.x /= 1.2;
3655 view->drag_info.momentum.y /= 1.2; /* Alter these constants to change "friction" */
3657 dhadj_value = view->hadjustment->page_size *
3658 (gdouble)view->drag_info.momentum.x / GTK_WIDGET (view)->allocation.width;
3659 dvadj_value = view->vadjustment->page_size *
3660 (gdouble)view->drag_info.momentum.y / GTK_WIDGET (view)->allocation.height;
3662 oldhadjustment = gtk_adjustment_get_value (view->hadjustment);
3663 oldvadjustment = gtk_adjustment_get_value (view->vadjustment);
3665 /* When we reach the edges, we need either to absorb some momentum and bounce by
3666 * multiplying it on -0.5 or stop scrolling by setting momentum to 0. */
3667 if (((oldhadjustment + dhadj_value) > (view->hadjustment->upper - view->hadjustment->page_size)) ||
3668 ((oldhadjustment + dhadj_value) < 0))
3669 view->drag_info.momentum.x = 0;
3670 if (((oldvadjustment + dvadj_value) > (view->vadjustment->upper - view->vadjustment->page_size)) ||
3671 ((oldvadjustment + dvadj_value) < 0))
3672 view->drag_info.momentum.y = 0;
3674 gtk_adjustment_set_value (view->hadjustment,
3675 MIN (oldhadjustment + dhadj_value,
3676 view->hadjustment->upper - view->hadjustment->page_size));
3677 gtk_adjustment_set_value (view->vadjustment,
3678 MIN (oldvadjustment + dvadj_value,
3679 view->vadjustment->upper - view->vadjustment->page_size));
3681 if (((view->drag_info.momentum.x < 1) && (view->drag_info.momentum.x > -1)) &&
3682 ((view->drag_info.momentum.y < 1) && (view->drag_info.momentum.y > -1)))
3689 ev_view_motion_notify_event (GtkWidget *widget,
3690 GdkEventMotion *event)
3692 EvView *view = EV_VIEW (widget);
3695 if (!view->document)
3699 if (event->is_hint || event->window != view->layout.bin_window) {
3700 gtk_widget_get_pointer (widget, &x, &y);
3706 if (view->scroll_info.autoscrolling) {
3707 view->scroll_info.last_y = y;
3711 if (view->selection_info.in_drag) {
3712 if (gtk_drag_check_threshold (widget,
3713 view->selection_info.start.x,
3714 view->selection_info.start.y,
3716 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3718 gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT);
3720 gtk_drag_begin (widget, target_list,
3722 1, (GdkEvent *)event);
3724 view->selection_info.in_drag = FALSE;
3726 gtk_target_list_unref (target_list);
3730 } else if (view->image_dnd_info.in_drag) {
3731 if (gtk_drag_check_threshold (widget,
3732 view->selection_info.start.x,
3733 view->selection_info.start.y,
3735 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3737 gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI);
3738 gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE);
3740 gtk_drag_begin (widget, target_list,
3742 1, (GdkEvent *)event);
3744 view->image_dnd_info.in_drag = FALSE;
3746 gtk_target_list_unref (target_list);
3752 switch (view->pressed_button) {
3754 /* For the Evince 0.4.x release, we limit selection to un-rotated
3757 if (view->rotation != 0)
3760 /* Schedule timeout to scroll during selection and additionally
3761 * scroll once to allow arbitrary speed. */
3762 if (!view->selection_scroll_id)
3763 view->selection_scroll_id = g_timeout_add (SCROLL_TIME,
3764 (GSourceFunc)selection_scroll_timeout_cb,
3767 selection_scroll_timeout_cb (view);
3769 view->selection_info.in_selection = TRUE;
3770 view->motion.x = x + view->scroll_x;
3771 view->motion.y = y + view->scroll_y;
3773 /* Queue an idle to handle the motion. We do this because
3774 * handling any selection events in the motion could be slower
3775 * than new motion events reach us. We always put it in the
3776 * idle to make sure we catch up and don't visibly lag the
3778 if (!view->selection_update_id)
3779 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
3783 if (!view->drag_info.in_drag) {
3787 start = gtk_drag_check_threshold (widget,
3788 view->drag_info.start.x,
3789 view->drag_info.start.y,
3792 view->drag_info.in_drag = start;
3793 view->drag_info.drag_timeout_id = g_timeout_add (10,
3794 (GSourceFunc)ev_view_drag_update_momentum, view);
3795 /* Set 100 to choose how long it takes to build up momentum */
3796 /* Clear out previous momentum info: */
3797 for (i = 0; i < DRAG_HISTORY; i++) {
3798 view->drag_info.buffer[i].x = event->x;
3799 view->drag_info.buffer[i].y = event->y;
3801 view->drag_info.momentum.x = 0;
3802 view->drag_info.momentum.y = 0;
3805 if (view->drag_info.in_drag) {
3807 gdouble dhadj_value, dvadj_value;
3809 view->drag_info.buffer[0].x = event->x;
3810 view->drag_info.buffer[0].y = event->y;
3812 dx = event->x_root - view->drag_info.start.x;
3813 dy = event->y_root - view->drag_info.start.y;
3815 dhadj_value = view->hadjustment->page_size *
3816 (gdouble)dx / widget->allocation.width;
3817 dvadj_value = view->vadjustment->page_size *
3818 (gdouble)dy / widget->allocation.height;
3820 /* clamp scrolling to visible area */
3821 gtk_adjustment_set_value (view->hadjustment,
3822 MIN(view->drag_info.hadj - dhadj_value,
3823 view->hadjustment->upper -
3824 view->hadjustment->page_size));
3825 gtk_adjustment_set_value (view->vadjustment,
3826 MIN(view->drag_info.vadj - dvadj_value,
3827 view->vadjustment->upper -
3828 view->vadjustment->page_size));
3835 ev_view_handle_cursor_over_xy (view, x, y);
3842 ev_view_button_release_event (GtkWidget *widget,
3843 GdkEventButton *event)
3845 EvView *view = EV_VIEW (widget);
3846 EvLink *link = NULL;
3848 view->image_dnd_info.in_drag = FALSE;
3850 if (view->scroll_info.autoscrolling) {
3851 ev_view_autoscroll_stop (view);
3852 view->pressed_button = -1;
3857 if (view->drag_info.in_drag) {
3858 view->drag_info.release_timeout_id =
3860 (GSourceFunc)ev_view_scroll_drag_release, view);
3863 if (view->document && !view->drag_info.in_drag && view->pressed_button != 3) {
3864 link = ev_view_get_link_at_location (view, event->x, event->y);
3867 view->drag_info.in_drag = FALSE;
3869 if (view->pressed_button == 2) {
3870 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3873 view->pressed_button = -1;
3875 if (view->selection_scroll_id) {
3876 g_source_remove (view->selection_scroll_id);
3877 view->selection_scroll_id = 0;
3879 if (view->selection_update_id) {
3880 g_source_remove (view->selection_update_id);
3881 view->selection_update_id = 0;
3884 if (view->selection_info.selections) {
3885 clear_link_selected (view);
3886 ev_view_update_primary_selection (view);
3888 if (view->selection_info.in_drag) {
3889 clear_selection (view);
3890 gtk_widget_queue_draw (widget);
3893 view->selection_info.in_drag = FALSE;
3895 if (event->button == 2) {
3896 EvLinkAction *action;
3897 EvLinkActionType type;
3899 action = ev_link_get_action (link);
3903 type = ev_link_action_get_action_type (action);
3904 if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
3905 g_signal_emit (view,
3906 signals[SIGNAL_EXTERNAL_LINK],
3910 ev_view_handle_link (view, link);
3912 } else if (view->presentation) {
3913 switch (event->button) {
3915 ev_view_next_page (view);
3918 ev_view_previous_page (view);
3927 /* Cut and paste from gtkwindow.c */
3929 send_focus_change (GtkWidget *widget,
3932 GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE);
3934 g_object_ref (widget);
3937 GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
3939 GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
3941 fevent->focus_change.type = GDK_FOCUS_CHANGE;
3942 fevent->focus_change.window = g_object_ref (widget->window);
3943 fevent->focus_change.in = in;
3945 gtk_widget_event (widget, fevent);
3947 g_object_notify (G_OBJECT (widget), "has-focus");
3949 g_object_unref (widget);
3950 gdk_event_free (fevent);
3954 ev_view_goto_window_hide (EvView *view)
3956 /* send focus-in event */
3957 send_focus_change (view->goto_entry, FALSE);
3958 gtk_widget_hide (view->goto_window);
3959 gtk_entry_set_text (GTK_ENTRY (view->goto_entry), "");
3963 ev_view_goto_window_delete_event (GtkWidget *widget,
3967 ev_view_goto_window_hide (view);
3973 key_is_numeric (guint keyval)
3975 return ((keyval >= GDK_0 && keyval <= GDK_9) ||
3976 (keyval >= GDK_KP_0 && keyval <= GDK_KP_9));
3980 ev_view_goto_window_key_press_event (GtkWidget *widget,
3984 switch (event->keyval) {
3988 case GDK_ISO_Left_Tab:
3989 ev_view_goto_window_hide (view);
3998 if (!key_is_numeric (event->keyval))
4006 ev_view_goto_window_button_press_event (GtkWidget *widget,
4007 GdkEventButton *event,
4010 ev_view_goto_window_hide (view);
4016 ev_view_goto_entry_activate (GtkEntry *entry,
4022 text = gtk_entry_get_text (entry);
4023 page = atoi (text) - 1;
4025 ev_view_goto_window_hide (view);
4027 if (page >= 0 && page < ev_document_get_n_pages (view->document)) {
4028 ev_document_model_set_page (view->model, page);
4033 ev_view_goto_window_create (EvView *view)
4035 GtkWidget *frame, *hbox, *toplevel, *label;
4037 toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view));
4039 if (view->goto_window) {
4040 if (GTK_WINDOW (toplevel)->group)
4041 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
4042 GTK_WINDOW (view->goto_window));
4043 else if (GTK_WINDOW (view->goto_window)->group)
4044 gtk_window_group_remove_window (GTK_WINDOW (view->goto_window)->group,
4045 GTK_WINDOW (view->goto_window));
4049 view->goto_window = gtk_window_new (GTK_WINDOW_POPUP);
4050 gtk_window_set_screen (GTK_WINDOW (view->goto_window),
4051 gtk_widget_get_screen (GTK_WIDGET (view)));
4053 if (GTK_WINDOW (toplevel)->group)
4054 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
4055 GTK_WINDOW (view->goto_window));
4057 gtk_window_set_modal (GTK_WINDOW (view->goto_window), TRUE);
4059 g_signal_connect (view->goto_window, "delete_event",
4060 G_CALLBACK (ev_view_goto_window_delete_event),
4062 g_signal_connect (view->goto_window, "key_press_event",
4063 G_CALLBACK (ev_view_goto_window_key_press_event),
4065 g_signal_connect (view->goto_window, "button_press_event",
4066 G_CALLBACK (ev_view_goto_window_button_press_event),
4069 frame = gtk_frame_new (NULL);
4070 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
4071 gtk_container_add (GTK_CONTAINER (view->goto_window), frame);
4072 gtk_widget_show (frame);
4074 hbox = gtk_hbox_new (FALSE, 0);
4075 gtk_container_set_border_width (GTK_CONTAINER (hbox), 3);
4076 gtk_container_add (GTK_CONTAINER (frame), hbox);
4077 gtk_widget_show (hbox);
4079 label = gtk_label_new(_("Jump to page:"));
4080 gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 3);
4081 gtk_widget_show (label);
4082 gtk_widget_realize (label);
4084 view->goto_entry = gtk_entry_new ();
4085 g_signal_connect (view->goto_entry, "activate",
4086 G_CALLBACK (ev_view_goto_entry_activate),
4088 gtk_box_pack_start (GTK_BOX (hbox), view->goto_entry, TRUE, TRUE, 0);
4089 gtk_widget_show (view->goto_entry);
4090 gtk_widget_realize (view->goto_entry);
4094 ev_view_goto_entry_grab_focus (EvView *view)
4096 GtkWidgetClass *entry_parent_class;
4098 entry_parent_class = g_type_class_peek_parent (GTK_ENTRY_GET_CLASS (view->goto_entry));
4099 (entry_parent_class->grab_focus) (view->goto_entry);
4101 send_focus_change (view->goto_entry, TRUE);
4105 ev_view_goto_window_send_key_event (EvView *view,
4108 GdkEventKey *new_event;
4111 /* Move goto window off screen */
4112 screen = gtk_widget_get_screen (GTK_WIDGET (view));
4113 gtk_window_move (GTK_WINDOW (view->goto_window),
4114 gdk_screen_get_width (screen) + 1,
4115 gdk_screen_get_height (screen) + 1);
4116 gtk_widget_show (view->goto_window);
4118 new_event = (GdkEventKey *) gdk_event_copy (event);
4119 g_object_unref (new_event->window);
4120 new_event->window = g_object_ref (view->goto_window->window);
4121 gtk_widget_realize (view->goto_window);
4123 gtk_widget_event (view->goto_window, (GdkEvent *)new_event);
4124 gdk_event_free ((GdkEvent *)new_event);
4125 gtk_widget_hide (view->goto_window);
4129 ev_view_key_press_event (GtkWidget *widget,
4132 EvView *view = EV_VIEW (widget);
4133 EvPresentationState current;
4135 if (!view->document)
4138 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
4139 /* Forward key events to current focused window child */
4140 if (view->window_child_focus) {
4141 GdkEventKey *new_event;
4144 new_event = (GdkEventKey *) gdk_event_copy ((GdkEvent *)event);
4145 g_object_unref (new_event->window);
4146 new_event->window = g_object_ref (view->window_child_focus->window->window);
4147 gtk_widget_realize (view->window_child_focus->window);
4148 handled = gtk_widget_event (view->window_child_focus->window, (GdkEvent *)new_event);
4149 gdk_event_free ((GdkEvent *)new_event);
4157 if (!view->presentation ||
4158 view->presentation_state == EV_PRESENTATION_END)
4159 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
4162 current = view->presentation_state;
4164 switch (event->keyval) {
4168 case GDK_KP_Decimal:
4169 view->presentation_state =
4170 (view->presentation_state == EV_PRESENTATION_BLACK) ?
4171 EV_PRESENTATION_NORMAL : EV_PRESENTATION_BLACK;
4175 view->presentation_state =
4176 (view->presentation_state == EV_PRESENTATION_WHITE) ?
4177 EV_PRESENTATION_NORMAL : EV_PRESENTATION_WHITE;
4180 if (view->presentation_state == EV_PRESENTATION_BLACK ||
4181 view->presentation_state == EV_PRESENTATION_WHITE) {
4182 view->presentation_state = EV_PRESENTATION_NORMAL;
4186 if (current == view->presentation_state) {
4187 if (ev_document_get_n_pages (view->document) > 1 &&
4188 key_is_numeric (event->keyval)) {
4191 ev_view_goto_window_create (view);
4192 ev_view_goto_window_send_key_event (view, (GdkEvent *)event);
4193 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4194 gtk_window_move (GTK_WINDOW (view->goto_window), x, y);
4195 gtk_widget_show (view->goto_window);
4196 ev_view_goto_entry_grab_focus (view);
4201 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
4204 switch (view->presentation_state) {
4205 case EV_PRESENTATION_NORMAL:
4206 case EV_PRESENTATION_BLACK:
4207 gdk_window_set_background (view->layout.bin_window,
4208 &widget->style->black);
4210 case EV_PRESENTATION_WHITE:
4211 gdk_window_set_background (view->layout.bin_window,
4212 &widget->style->white);
4215 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
4218 gtk_widget_queue_draw (widget);
4223 ev_view_focus_in (GtkWidget *widget,
4224 GdkEventFocus *event)
4226 if (EV_VIEW (widget)->pixbuf_cache)
4227 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4228 gtk_widget_queue_draw (widget);
4234 ev_view_focus_out (GtkWidget *widget,
4235 GdkEventFocus *event)
4237 if (EV_VIEW (widget)->goto_window)
4238 ev_view_goto_window_hide (EV_VIEW (widget));
4240 if (EV_VIEW (widget)->pixbuf_cache)
4241 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4242 gtk_widget_queue_draw (widget);
4248 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
4250 EvView *view = EV_VIEW (widget);
4252 if (view->cursor != EV_VIEW_CURSOR_NORMAL)
4253 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
4259 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
4261 EvView *view = EV_VIEW (widget);
4263 ev_view_handle_cursor_over_xy (view, event->x, event->y);
4269 ev_view_style_set (GtkWidget *widget,
4270 GtkStyle *old_style)
4272 if (EV_VIEW (widget)->pixbuf_cache)
4273 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4275 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
4281 ev_gdk_color_to_rgb (const GdkColor *color)
4284 result = (0xff0000 | (color->red & 0xff00));
4286 result |= ((color->green & 0xff00) | (color->blue >> 8));
4291 draw_rubberband (GtkWidget *widget, GdkWindow *window,
4292 const GdkRectangle *rect, guchar alpha)
4296 GdkColor *fill_color_gdk;
4299 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
4300 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
4302 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
4303 rect->width, rect->height);
4304 gdk_pixbuf_fill (pixbuf, fill_color);
4306 gdk_draw_pixbuf (window, NULL, pixbuf,
4308 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
4309 rect->width, rect->height,
4310 GDK_RGB_DITHER_NONE,
4313 g_object_unref (pixbuf);
4315 gc = gdk_gc_new (window);
4316 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
4317 gdk_draw_rectangle (window, gc, FALSE,
4318 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
4321 g_object_unref (gc);
4323 gdk_color_free (fill_color_gdk);
4328 highlight_find_results (EvView *view, int page)
4330 gint i, n_results = 0;
4332 n_results = ev_view_find_get_n_results (view, page);
4334 for (i = 0; i < n_results; i++) {
4335 EvRectangle *rectangle;
4336 GdkRectangle view_rectangle;
4339 if (i == view->find_result && page == view->current_page) {
4345 rectangle = ev_view_find_get_result (view, page, i);
4346 doc_rect_to_view_rect (view, page, rectangle, &view_rectangle);
4347 draw_rubberband (GTK_WIDGET (view), view->layout.bin_window,
4348 &view_rectangle, alpha);
4353 draw_loading_text (EvView *view,
4354 GdkRectangle *page_area,
4355 GdkRectangle *expose_area)
4360 if (!view->loading_text) {
4361 const gchar *loading_text = _("Loading...");
4362 PangoLayout *layout;
4363 PangoFontDescription *font_desc;
4364 PangoRectangle logical_rect;
4368 ev_document_fc_mutex_lock ();
4370 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
4372 font_desc = pango_font_description_new ();
4374 /* We set the font to be 10 points, get the size, and scale appropriately */
4375 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
4376 pango_layout_set_font_description (layout, font_desc);
4377 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
4379 target_width = MAX (page_area->width / 2, 1);
4380 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
4381 pango_font_description_set_size (font_desc, (int)real_scale);
4382 pango_layout_set_font_description (layout, font_desc);
4383 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
4385 view->loading_text = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
4387 logical_rect.height);
4388 cr = cairo_create (view->loading_text);
4389 cairo_set_source_rgb (cr,
4393 pango_cairo_show_layout (cr, layout);
4396 pango_font_description_free (font_desc);
4397 g_object_unref (layout);
4399 ev_document_fc_mutex_unlock ();
4402 width = (page_area->width - cairo_image_surface_get_width (view->loading_text)) / 2;
4403 height = (page_area->height - cairo_image_surface_get_height (view->loading_text)) / 2;
4405 cr = gdk_cairo_create (view->layout.bin_window);
4406 cairo_translate (cr,
4407 page_area->x + width,
4408 page_area->y + height);
4409 cairo_set_source_surface (cr, view->loading_text, 0, 0);
4415 draw_one_page (EvView *view,
4418 GdkRectangle *page_area,
4420 GdkRectangle *expose_area,
4421 gboolean *page_ready)
4423 GdkRectangle overlap;
4424 GdkRectangle real_page_area;
4426 g_assert (view->document);
4428 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
4431 /* Render the document itself */
4432 real_page_area = *page_area;
4434 real_page_area.x += border->left;
4435 real_page_area.y += border->top;
4436 real_page_area.width -= (border->left + border->right);
4437 real_page_area.height -= (border->top + border->bottom);
4440 if (!view->presentation) {
4443 current_page = ev_document_model_get_page (view->model);
4444 ev_document_misc_paint_one_page (view->layout.bin_window,
4447 page == current_page);
4450 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
4452 gint page_width, page_height;
4453 cairo_surface_t *page_surface = NULL;
4454 gint selection_width, selection_height;
4455 cairo_surface_t *selection_surface = NULL;
4457 page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page);
4459 if (!page_surface) {
4460 if (!view->presentation) {
4461 draw_loading_text (view,
4466 *page_ready = FALSE;
4471 ev_view_get_page_size (view, page, &width, &height);
4473 page_width = cairo_image_surface_get_width (page_surface);
4474 page_height = cairo_image_surface_get_height (page_surface);
4477 cairo_translate (cr, overlap.x, overlap.y);
4479 if (width != page_width || height != page_height) {
4480 cairo_pattern_set_filter (cairo_get_source (cr),
4483 (gdouble)width / page_width,
4484 (gdouble)height / page_height);
4487 cairo_surface_set_device_offset (page_surface,
4488 overlap.x - real_page_area.x,
4489 overlap.y - real_page_area.y);
4490 cairo_set_source_surface (cr, page_surface, 0, 0);
4494 /* Get the selection pixbuf iff we have something to draw */
4495 if (find_selection_for_page (view, page) &&
4496 view->selection_mode == EV_VIEW_SELECTION_TEXT) {
4498 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
4504 if (!selection_surface) {
4508 selection_width = cairo_image_surface_get_width (selection_surface);
4509 selection_height = cairo_image_surface_get_height (selection_surface);
4512 cairo_translate (cr, overlap.x, overlap.y);
4514 if (width != selection_width || height != selection_height) {
4515 cairo_pattern_set_filter (cairo_get_source (cr),
4518 (gdouble)width / selection_width,
4519 (gdouble)height / selection_height);
4522 cairo_surface_set_device_offset (selection_surface,
4523 overlap.x - real_page_area.x,
4524 overlap.y - real_page_area.y);
4525 cairo_set_source_surface (cr, selection_surface, 0, 0);
4531 /*** GObject functions ***/
4534 ev_view_finalize (GObject *object)
4536 EvView *view = EV_VIEW (object);
4538 clear_selection (view);
4539 clear_link_selected (view);
4541 if (view->image_dnd_info.image)
4542 g_object_unref (view->image_dnd_info.image);
4543 view->image_dnd_info.image = NULL;
4545 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
4549 ev_view_destroy (GtkObject *object)
4551 EvView *view = EV_VIEW (object);
4554 g_object_unref (view->model);
4558 if (view->document) {
4559 g_object_unref (view->document);
4560 view->document = NULL;
4563 if (view->pixbuf_cache) {
4564 g_object_unref (view->pixbuf_cache);
4565 view->pixbuf_cache = NULL;
4568 if (view->goto_window) {
4569 gtk_widget_destroy (view->goto_window);
4570 view->goto_window = NULL;
4571 view->goto_entry = NULL;
4574 ev_view_window_children_free (view);
4576 if (view->selection_scroll_id) {
4577 g_source_remove (view->selection_scroll_id);
4578 view->selection_scroll_id = 0;
4581 if (view->selection_update_id) {
4582 g_source_remove (view->selection_update_id);
4583 view->selection_update_id = 0;
4586 if (view->loading_text) {
4587 cairo_surface_destroy (view->loading_text);
4588 view->loading_text = NULL;
4591 if (view->scroll_info.timeout_id) {
4592 g_source_remove (view->scroll_info.timeout_id);
4593 view->scroll_info.timeout_id = 0;
4596 if (view->drag_info.drag_timeout_id) {
4597 g_source_remove (view->drag_info.drag_timeout_id);
4598 view->drag_info.drag_timeout_id = 0;
4601 if (view->drag_info.release_timeout_id) {
4602 g_source_remove (view->drag_info.release_timeout_id);
4603 view->drag_info.release_timeout_id = 0;
4606 ev_view_presentation_transition_stop (view);
4608 ev_view_set_scroll_adjustments (GTK_LAYOUT (view), NULL, NULL);
4610 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
4614 ev_view_set_property (GObject *object,
4616 const GValue *value,
4619 EvView *view = EV_VIEW (object);
4622 case PROP_CONTINUOUS:
4623 ev_view_set_continuous (view, g_value_get_boolean (value));
4625 case PROP_DUAL_PAGE:
4626 ev_view_set_dual_page (view, g_value_get_boolean (value));
4628 case PROP_FULLSCREEN:
4629 ev_view_set_fullscreen (view, g_value_get_boolean (value));
4631 case PROP_PRESENTATION:
4632 ev_view_set_presentation (view, g_value_get_boolean (value));
4634 case PROP_SIZING_MODE:
4635 ev_view_set_sizing_mode (view, g_value_get_enum (value));
4638 ev_view_set_zoom (view, g_value_get_double (value));
4641 ev_view_set_rotation (view, g_value_get_int (value));
4644 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
4649 ev_view_get_accessible (GtkWidget *widget)
4651 static gboolean first_time = TRUE;
4654 AtkObjectFactory *factory;
4655 AtkRegistry *registry;
4657 GType derived_atk_type;
4660 * Figure out whether accessibility is enabled by looking at the
4661 * type of the accessible object which would be created for
4662 * the parent type of EvView.
4664 derived_type = g_type_parent (EV_TYPE_VIEW);
4666 registry = atk_get_default_registry ();
4667 factory = atk_registry_get_factory (registry,
4669 derived_atk_type = atk_object_factory_get_accessible_type (factory);
4670 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
4671 atk_registry_set_factory_type (registry,
4673 ev_view_accessible_factory_get_type ());
4676 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
4680 ev_view_get_property (GObject *object,
4685 EvView *view = EV_VIEW (object);
4688 case PROP_CONTINUOUS:
4689 g_value_set_boolean (value, view->continuous);
4691 case PROP_DUAL_PAGE:
4692 g_value_set_boolean (value, view->dual_page);
4694 case PROP_FULLSCREEN:
4695 g_value_set_boolean (value, view->fullscreen);
4697 case PROP_PRESENTATION:
4698 g_value_set_boolean (value, view->presentation);
4700 case PROP_SIZING_MODE:
4701 g_value_set_enum (value, view->sizing_mode);
4704 g_value_set_double (value, view->scale);
4707 g_value_set_int (value, view->rotation);
4709 case PROP_HAS_SELECTION:
4710 g_value_set_boolean (value,
4711 view->selection_info.selections != NULL);
4714 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
4719 ev_view_class_init (EvViewClass *class)
4721 GObjectClass *object_class = G_OBJECT_CLASS (class);
4722 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
4723 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
4724 GtkLayoutClass *layout_class = GTK_LAYOUT_CLASS (class);
4725 GtkBindingSet *binding_set;
4727 object_class->finalize = ev_view_finalize;
4728 object_class->set_property = ev_view_set_property;
4729 object_class->get_property = ev_view_get_property;
4731 widget_class->expose_event = ev_view_expose_event;
4732 widget_class->button_press_event = ev_view_button_press_event;
4733 widget_class->motion_notify_event = ev_view_motion_notify_event;
4734 widget_class->button_release_event = ev_view_button_release_event;
4735 widget_class->key_press_event = ev_view_key_press_event;
4736 widget_class->focus_in_event = ev_view_focus_in;
4737 widget_class->focus_out_event = ev_view_focus_out;
4738 widget_class->get_accessible = ev_view_get_accessible;
4739 widget_class->size_request = ev_view_size_request;
4740 widget_class->size_allocate = ev_view_size_allocate;
4741 widget_class->realize = ev_view_realize;
4742 widget_class->scroll_event = ev_view_scroll_event;
4743 widget_class->enter_notify_event = ev_view_enter_notify_event;
4744 widget_class->leave_notify_event = ev_view_leave_notify_event;
4745 widget_class->style_set = ev_view_style_set;
4746 widget_class->drag_data_get = ev_view_drag_data_get;
4747 widget_class->drag_motion = ev_view_drag_motion;
4748 widget_class->popup_menu = ev_view_popup_menu;
4749 widget_class->query_tooltip = ev_view_query_tooltip;
4751 gtk_object_class->destroy = ev_view_destroy;
4753 layout_class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
4755 class->binding_activated = ev_view_scroll;
4757 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
4758 G_TYPE_FROM_CLASS (object_class),
4759 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4760 G_STRUCT_OFFSET (EvViewClass, binding_activated),
4762 ev_view_marshal_VOID__ENUM_BOOLEAN,
4764 GTK_TYPE_SCROLL_TYPE,
4766 signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link",
4767 G_TYPE_FROM_CLASS (object_class),
4768 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4769 G_STRUCT_OFFSET (EvViewClass, handle_link),
4771 g_cclosure_marshal_VOID__OBJECT,
4774 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
4775 G_TYPE_FROM_CLASS (object_class),
4776 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4777 G_STRUCT_OFFSET (EvViewClass, external_link),
4779 g_cclosure_marshal_VOID__OBJECT,
4782 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
4783 G_TYPE_FROM_CLASS (object_class),
4784 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4785 G_STRUCT_OFFSET (EvViewClass, popup_menu),
4787 g_cclosure_marshal_VOID__OBJECT,
4792 g_object_class_install_property (object_class,
4794 g_param_spec_boolean ("continuous",
4796 "Continuous scrolling mode",
4798 G_PARAM_READWRITE));
4800 g_object_class_install_property (object_class,
4802 g_param_spec_boolean ("dual-page",
4804 "Two pages visible at once",
4806 G_PARAM_READWRITE));
4807 g_object_class_install_property (object_class,
4809 g_param_spec_boolean ("fullscreen",
4811 "Draw page in a fullscreen fashion",
4813 G_PARAM_READWRITE));
4814 g_object_class_install_property (object_class,
4816 g_param_spec_boolean ("presentation",
4818 "Draw page in presentation mode",
4820 G_PARAM_READWRITE));
4822 g_object_class_install_property (object_class,
4824 g_param_spec_enum ("sizing-mode",
4827 EV_TYPE_SIZING_MODE,
4828 EV_SIZING_FIT_WIDTH,
4829 G_PARAM_READWRITE));
4831 g_object_class_install_property (object_class,
4833 g_param_spec_double ("zoom",
4839 G_PARAM_READWRITE));
4840 g_object_class_install_property (object_class,
4842 g_param_spec_double ("rotation",
4848 G_PARAM_READWRITE));
4850 g_object_class_install_property (object_class,
4852 g_param_spec_boolean ("has-selection",
4854 "The view has selections",
4858 binding_set = gtk_binding_set_by_class (class);
4860 add_scroll_binding_keypad (binding_set, GDK_Left, 0, GTK_SCROLL_STEP_BACKWARD, TRUE);
4861 add_scroll_binding_keypad (binding_set, GDK_Right, 0, GTK_SCROLL_STEP_FORWARD, TRUE);
4862 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, TRUE);
4863 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, TRUE);
4864 add_scroll_binding_keypad (binding_set, GDK_Up, 0, GTK_SCROLL_STEP_BACKWARD, FALSE);
4865 add_scroll_binding_keypad (binding_set, GDK_Down, 0, GTK_SCROLL_STEP_FORWARD, FALSE);
4866 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, FALSE);
4867 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, FALSE);
4868 gtk_binding_entry_add_signal (binding_set, GDK_H, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4869 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE);
4870 gtk_binding_entry_add_signal (binding_set, GDK_J, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4871 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE);
4872 gtk_binding_entry_add_signal (binding_set, GDK_K, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4873 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE);
4874 gtk_binding_entry_add_signal (binding_set, GDK_L, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4875 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE);
4880 ev_view_init (EvView *view)
4882 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
4884 view->start_page = -1;
4885 view->end_page = -1;
4888 view->current_page = 0;
4889 view->pressed_button = -1;
4890 view->cursor = EV_VIEW_CURSOR_NORMAL;
4891 view->drag_info.in_drag = FALSE;
4892 view->scroll_info.autoscrolling = FALSE;
4893 view->selection_info.selections = NULL;
4894 view->selection_info.in_selection = FALSE;
4895 view->selection_info.in_drag = FALSE;
4896 view->selection_mode = EV_VIEW_SELECTION_TEXT;
4897 view->continuous = TRUE;
4898 view->dual_page = FALSE;
4899 view->presentation = FALSE;
4900 view->presentation_state = EV_PRESENTATION_NORMAL;
4901 view->fullscreen = FALSE;
4902 view->sizing_mode = EV_SIZING_FIT_WIDTH;
4903 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4904 view->jump_to_find_result = TRUE;
4905 view->highlight_find_results = FALSE;
4907 gtk_layout_set_hadjustment (GTK_LAYOUT (view), NULL);
4908 gtk_layout_set_vadjustment (GTK_LAYOUT (view), NULL);
4914 ev_view_change_page (EvView *view,
4916 gboolean start_transition)
4920 view->current_page = new_page;
4921 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4923 if (view->presentation && start_transition)
4924 ev_view_presentation_transition_start (view);
4926 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4927 ev_view_handle_cursor_over_xy (view, x, y);
4929 gtk_widget_queue_resize (GTK_WIDGET (view));
4933 ev_view_transition_animation_finish (EvTransitionAnimation *animation,
4936 g_object_unref (view->animation);
4937 view->animation = NULL;
4938 ev_view_change_page (view, view->current_page, TRUE);
4942 * ev_view_transition_animation_cancel:
4943 * @animation: Animation to finish
4946 * Does almost the same as cancel, but without scheduling the transition.
4950 ev_view_transition_animation_cancel (EvTransitionAnimation *animation,
4953 g_object_unref (view->animation);
4954 view->animation = NULL;
4955 ev_view_change_page (view, view->current_page, FALSE);
4959 ev_view_transition_animation_frame (EvTransitionAnimation *animation,
4963 gtk_widget_queue_draw (GTK_WIDGET (view));
4967 ev_view_presentation_animation_start (EvView *view,
4970 EvTransitionEffect *effect = NULL;
4971 cairo_surface_t *surface;
4973 if (EV_IS_DOCUMENT_TRANSITION (view->document))
4974 effect = ev_document_transition_get_effect (EV_DOCUMENT_TRANSITION (view->document),
4975 view->current_page);
4979 view->animation = ev_transition_animation_new (effect);
4981 surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page);
4982 ev_transition_animation_set_origin_surface (view->animation, surface);
4983 surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, new_page);
4985 ev_transition_animation_set_dest_surface (view->animation, surface);
4987 g_signal_connect (view->animation, "frame",
4988 G_CALLBACK (ev_view_transition_animation_frame), view);
4989 g_signal_connect (view->animation, "finished",
4990 G_CALLBACK (ev_view_transition_animation_finish), view);
4994 job_finished_cb (EvPixbufCache *pixbuf_cache,
4998 if (view->animation) {
4999 cairo_surface_t *surface;
5001 surface = ev_pixbuf_cache_get_surface (pixbuf_cache, view->current_page);
5002 ev_transition_animation_set_dest_surface (view->animation, surface);
5006 gdk_window_invalidate_region (view->layout.bin_window,
5009 gtk_widget_queue_draw (GTK_WIDGET (view));
5014 ev_view_page_changed_cb (EvDocumentModel *model,
5019 if (!view->document)
5022 if (view->current_page != new_page) {
5023 if (view->presentation)
5024 ev_view_presentation_animation_start (view, new_page);
5026 ev_view_change_page (view, new_page, TRUE);
5028 gtk_widget_queue_draw (GTK_WIDGET (view));
5031 view->find_result = 0;
5035 on_adjustment_value_changed (GtkAdjustment *adjustment,
5040 GList *children, *l;
5042 if (! GTK_WIDGET_REALIZED (view))
5045 if (view->hadjustment) {
5046 dx = view->scroll_x - (int) view->hadjustment->value;
5047 view->scroll_x = (int) view->hadjustment->value;
5052 if (view->vadjustment) {
5053 dy = view->scroll_y - (int) view->vadjustment->value;
5054 view->scroll_y = (int) view->vadjustment->value;
5059 children = gtk_container_get_children (GTK_CONTAINER (view));
5060 for (l = children; l && l->data; l = g_list_next (l)) {
5061 gint child_x, child_y;
5062 GtkWidget *child = (GtkWidget *)l->data;
5064 gtk_container_child_get (GTK_CONTAINER (view),
5069 gtk_layout_move (GTK_LAYOUT (view), child, child_x + dx, child_y + dy);
5071 g_list_free (children);
5073 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
5074 EvViewWindowChild *child;
5076 child = (EvViewWindowChild *)l->data;
5078 ev_view_window_child_move (view, child, child->x + dx, child->y + dy);
5081 if (view->pending_resize)
5082 gtk_widget_queue_draw (GTK_WIDGET (view));
5084 gdk_window_scroll (view->layout.bin_window, dx, dy);
5086 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
5087 ev_view_handle_cursor_over_xy (view, x, y);
5090 view_update_range_and_current_page (view);
5098 view = g_object_new (EV_TYPE_VIEW, NULL);
5104 setup_caches (EvView *view)
5106 gboolean inverted_colors;
5108 view->height_to_page_cache = ev_view_get_height_to_page_cache (view);
5109 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
5110 inverted_colors = ev_document_model_get_inverted_colors (view->model);
5111 ev_pixbuf_cache_set_inverted_colors (view->pixbuf_cache, inverted_colors);
5112 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
5116 clear_caches (EvView *view)
5118 if (view->pixbuf_cache) {
5119 g_object_unref (view->pixbuf_cache);
5120 view->pixbuf_cache = NULL;
5125 ev_view_set_loading (EvView *view,
5128 view->loading = loading;
5129 gtk_widget_queue_draw (GTK_WIDGET (view));
5133 ev_view_autoscroll_cb (EvView *view)
5135 gdouble speed, value;
5137 /* If the user stops autoscrolling, autoscrolling will be
5138 * set to false but the timeout will continue; stop the timeout: */
5139 if (!view->scroll_info.autoscrolling) {
5140 view->scroll_info.timeout_id = 0;
5144 if (view->scroll_info.last_y > view->scroll_info.start_y &&
5145 (view->scroll_info.last_y < view->scroll_info.start_y))
5148 /* Replace 100 with your speed of choice: The lower the faster.
5149 * Replace 3 with another speed of choice: The higher, the faster it accelerated
5150 * based on the distance of the starting point from the mouse
5151 * (All also effected by the timeout interval of this callback) */
5153 if (view->scroll_info.start_y > view->scroll_info.last_y)
5154 speed = -pow ((((gdouble)view->scroll_info.start_y - view->scroll_info.last_y) / 100), 3);
5156 speed = pow ((((gdouble)view->scroll_info.last_y - view->scroll_info.start_y) / 100), 3);
5158 value = gtk_adjustment_get_value (view->vadjustment);
5159 value = CLAMP (value + speed, 0, view->vadjustment->upper - view->vadjustment->page_size);
5160 gtk_adjustment_set_value (view->vadjustment, value);
5167 ev_view_autoscroll_start (EvView *view)
5171 g_return_if_fail (EV_IS_VIEW (view));
5173 if (view->scroll_info.autoscrolling)
5176 view->scroll_info.autoscrolling = TRUE;
5177 view->scroll_info.timeout_id =
5178 g_timeout_add (20, (GSourceFunc)ev_view_autoscroll_cb,
5181 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
5182 ev_view_handle_cursor_over_xy (view, x, y);
5186 ev_view_autoscroll_stop (EvView *view)
5190 g_return_if_fail (EV_IS_VIEW (view));
5192 if (!view->scroll_info.autoscrolling)
5195 view->scroll_info.autoscrolling = FALSE;
5196 if (view->scroll_info.timeout_id) {
5197 g_source_remove (view->scroll_info.timeout_id);
5198 view->scroll_info.timeout_id = 0;
5201 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
5202 ev_view_handle_cursor_over_xy (view, x, y);
5206 ev_view_document_changed_cb (EvDocumentModel *model,
5210 EvDocument *document = ev_document_model_get_document (model);
5212 view->loading = FALSE;
5214 if (document != view->document) {
5217 clear_caches (view);
5219 if (view->document) {
5220 g_object_unref (view->document);
5223 view->document = document;
5224 view->find_result = 0;
5226 if (view->document) {
5227 g_object_ref (view->document);
5228 setup_caches (view);
5231 current_page = ev_document_model_get_page (model);
5232 if (view->current_page != current_page) {
5233 ev_view_change_page (view, current_page, TRUE);
5235 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
5236 gtk_widget_queue_resize (GTK_WIDGET (view));
5242 ev_view_rotation_changed_cb (EvDocumentModel *model,
5246 gint rotation = ev_document_model_get_rotation (model);
5248 ev_view_set_rotation (view, rotation);
5250 if (view->pixbuf_cache) {
5251 ev_pixbuf_cache_clear (view->pixbuf_cache);
5252 if (!ev_document_is_page_size_uniform (view->document))
5253 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5254 gtk_widget_queue_resize (GTK_WIDGET (view));
5257 ev_view_remove_all (view);
5260 clear_selection (view);
5264 ev_view_inverted_colors_changed_cb (EvDocumentModel *model,
5268 if (view->pixbuf_cache) {
5269 gboolean inverted_colors;
5271 inverted_colors = ev_document_model_get_inverted_colors (model);
5272 ev_pixbuf_cache_set_inverted_colors (view->pixbuf_cache, inverted_colors);
5273 gtk_widget_queue_draw (GTK_WIDGET (view));
5278 ev_view_sizing_mode_changed_cb (EvDocumentModel *model,
5282 EvSizingMode mode = ev_document_model_get_sizing_mode (model);
5284 ev_view_set_sizing_mode (view, mode);
5286 if (mode != EV_SIZING_FREE)
5287 gtk_widget_queue_resize (GTK_WIDGET (view));
5290 #define EPSILON 0.0000001
5292 ev_view_scale_changed_cb (EvDocumentModel *model,
5296 gdouble scale = ev_document_model_get_scale (model);
5298 if (ABS (view->scale - scale) < EPSILON)
5301 if (view->loading_text) {
5302 cairo_surface_destroy (view->loading_text);
5303 view->loading_text = NULL;
5306 ev_view_set_zoom (view, scale);
5308 view->pending_resize = TRUE;
5309 if (view->sizing_mode == EV_SIZING_FREE)
5310 gtk_widget_queue_resize (GTK_WIDGET (view));
5314 ev_view_continuous_changed_cb (EvDocumentModel *model,
5318 gboolean continuous = ev_document_model_get_continuous (model);
5320 ev_view_set_continuous (view, continuous);
5321 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5322 gtk_widget_queue_resize (GTK_WIDGET (view));
5326 ev_view_dual_page_changed_cb (EvDocumentModel *model,
5330 gboolean dual_page = ev_document_model_get_dual_page (model);
5332 ev_view_set_dual_page (view, dual_page);
5333 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5334 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
5335 * preload_cache_size to be 2 if dual_page is set.
5337 gtk_widget_queue_resize (GTK_WIDGET (view));
5341 ev_view_fullscreen_changed_cb (EvDocumentModel *model,
5345 gboolean fullscreen = ev_document_model_get_fullscreen (model);
5347 ev_view_set_fullscreen (view, fullscreen);
5348 gtk_widget_queue_resize (GTK_WIDGET (view));
5352 ev_view_set_model (EvView *view,
5353 EvDocumentModel *model)
5355 g_return_if_fail (EV_IS_VIEW (view));
5356 g_return_if_fail (EV_IS_DOCUMENT_MODEL (model));
5358 if (model == view->model)
5362 g_signal_handlers_disconnect_by_func (view->model,
5363 ev_view_document_changed_cb,
5365 g_signal_handlers_disconnect_by_func (view->model,
5366 ev_view_page_changed_cb,
5368 g_object_unref (view->model);
5370 view->model = g_object_ref (model);
5371 g_signal_connect (view->model, "notify::document",
5372 G_CALLBACK (ev_view_document_changed_cb),
5374 g_signal_connect (view->model, "notify::rotation",
5375 G_CALLBACK (ev_view_rotation_changed_cb),
5377 g_signal_connect (view->model, "notify::inverted-colors",
5378 G_CALLBACK (ev_view_inverted_colors_changed_cb),
5380 g_signal_connect (view->model, "notify::sizing-mode",
5381 G_CALLBACK (ev_view_sizing_mode_changed_cb),
5383 g_signal_connect (view->model, "notify::scale",
5384 G_CALLBACK (ev_view_scale_changed_cb),
5386 g_signal_connect (view->model, "notify::continuous",
5387 G_CALLBACK (ev_view_continuous_changed_cb),
5389 g_signal_connect (view->model, "notify::dual-page",
5390 G_CALLBACK (ev_view_dual_page_changed_cb),
5392 g_signal_connect (view->model, "notify::fullscreen",
5393 G_CALLBACK (ev_view_fullscreen_changed_cb),
5395 g_signal_connect (view->model, "page-changed",
5396 G_CALLBACK (ev_view_page_changed_cb),
5401 ev_view_reload_page (EvView *view,
5405 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
5413 ev_view_reload (EvView *view)
5415 ev_pixbuf_cache_clear (view->pixbuf_cache);
5416 view_update_range_and_current_page (view);
5419 /*** Zoom and sizing mode ***/
5422 ev_view_set_zoom (EvView *view,
5425 view->scale = scale;
5427 g_object_notify (G_OBJECT (view), "zoom");
5431 ev_view_get_zoom (EvView *view)
5437 ev_view_get_continuous (EvView *view)
5439 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5441 return view->continuous;
5445 ev_view_set_continuous (EvView *view,
5446 gboolean continuous)
5448 g_return_if_fail (EV_IS_VIEW (view));
5450 view->continuous = continuous;
5452 g_object_notify (G_OBJECT (view), "continuous");
5456 ev_view_get_dual_page (EvView *view)
5458 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5460 return view->dual_page;
5464 ev_view_set_dual_page (EvView *view,
5467 g_return_if_fail (EV_IS_VIEW (view));
5469 view->dual_page = dual_page;
5471 g_object_notify (G_OBJECT (view), "dual-page");
5475 ev_view_set_fullscreen (EvView *view,
5476 gboolean fullscreen)
5478 g_return_if_fail (EV_IS_VIEW (view));
5480 view->fullscreen = fullscreen;
5482 g_object_notify (G_OBJECT (view), "fullscreen");
5486 ev_view_get_fullscreen (EvView *view)
5488 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5490 return view->fullscreen;
5494 ev_view_set_presentation (EvView *view,
5495 gboolean presentation)
5497 g_return_if_fail (EV_IS_VIEW (view));
5499 presentation = presentation != FALSE;
5501 if (view->presentation == presentation)
5505 view->presentation_state = EV_PRESENTATION_NORMAL;
5507 view->presentation = presentation;
5508 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5511 view->sizing_mode_saved = view->sizing_mode;
5512 view->scale_saved = view->scale;
5513 ev_document_model_set_sizing_mode (view->model, EV_SIZING_BEST_FIT);
5515 ev_document_model_set_sizing_mode (view->model, view->sizing_mode_saved);
5516 ev_document_model_set_scale (view->model, view->scale_saved);
5519 gtk_widget_queue_resize (GTK_WIDGET (view));
5522 ev_view_presentation_transition_start (view);
5524 ev_view_presentation_transition_stop (view);
5526 if (view->animation) {
5527 /* stop any running animation */
5528 ev_view_transition_animation_cancel (view->animation, view);
5532 if (GTK_WIDGET_REALIZED (view)) {
5533 if (view->presentation)
5534 gdk_window_set_background (view->layout.bin_window,
5535 >K_WIDGET (view)->style->black);
5537 gdk_window_set_background (view->layout.bin_window,
5538 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
5541 g_object_notify (G_OBJECT (view), "presentation");
5545 ev_view_get_presentation (EvView *view)
5547 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5549 return view->presentation;
5553 transition_next_page (EvView *view)
5555 ev_view_next_page (view);
5561 ev_view_presentation_transition_stop (EvView *view)
5563 if (view->trans_timeout_id > 0)
5564 g_source_remove (view->trans_timeout_id);
5565 view->trans_timeout_id = 0;
5569 ev_view_presentation_transition_start (EvView *view)
5573 if (!EV_IS_DOCUMENT_TRANSITION (view->document))
5576 ev_view_presentation_transition_stop (view);
5578 duration = ev_document_transition_get_page_duration (EV_DOCUMENT_TRANSITION (view->document),
5579 view->current_page);
5581 view->trans_timeout_id =
5582 g_timeout_add_seconds (duration,
5583 (GSourceFunc) transition_next_page,
5589 ev_view_set_sizing_mode (EvView *view,
5590 EvSizingMode sizing_mode)
5592 view->sizing_mode = sizing_mode;
5594 g_object_notify (G_OBJECT (view), "sizing-mode");
5598 ev_view_get_sizing_mode (EvView *view)
5600 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
5602 return view->sizing_mode;
5606 ev_view_can_zoom_in (EvView *view)
5608 return view->scale * ZOOM_IN_FACTOR <= ev_document_model_get_max_scale (view->model);
5612 ev_view_can_zoom_out (EvView *view)
5614 return view->scale * ZOOM_OUT_FACTOR >= ev_document_model_get_min_scale (view->model);
5618 ev_view_zoom_in (EvView *view)
5622 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5624 if (view->presentation)
5627 view->pending_scroll = SCROLL_TO_CENTER;
5628 scale = ev_document_model_get_scale (view->model) * ZOOM_IN_FACTOR;
5629 ev_document_model_set_scale (view->model, scale);
5633 ev_view_zoom_out (EvView *view)
5637 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5639 if (view->presentation)
5642 view->pending_scroll = SCROLL_TO_CENTER;
5643 scale = ev_document_model_get_scale (view->model) * ZOOM_OUT_FACTOR;
5644 ev_document_model_set_scale (view->model, scale);
5648 ev_view_set_rotation (EvView *view, int rotation)
5650 view->rotation = rotation;
5652 g_object_notify (G_OBJECT (view), "rotation");
5656 ev_view_get_rotation (EvView *view)
5658 return view->rotation;
5662 zoom_for_size_fit_width (gdouble doc_width,
5667 return (double)target_width / doc_width;
5671 zoom_for_size_fit_height (gdouble doc_width,
5676 return (double)target_height / doc_height;
5680 zoom_for_size_best_fit (gdouble doc_width,
5688 w_scale = (double)target_width / doc_width;
5689 h_scale = (double)target_height / doc_height;
5691 return MIN (w_scale, h_scale);
5696 ev_view_zoom_for_size_presentation (EvView *view,
5700 gdouble doc_width, doc_height;
5703 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5704 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5705 ev_document_model_set_scale (view->model, scale);
5709 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
5713 gdouble doc_width, doc_height;
5717 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5718 if (view->rotation == 90 || view->rotation == 270) {
5722 doc_width = doc_height;
5726 compute_border (view, doc_width, doc_height, &border);
5729 width -= (2 * (border.left + border.right) + 3 * view->spacing);
5730 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5732 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5735 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5736 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5737 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5738 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5740 g_assert_not_reached ();
5742 ev_document_model_set_scale (view->model, scale);
5746 ev_view_zoom_for_size_continuous (EvView *view,
5750 gdouble doc_width, doc_height;
5754 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5755 if (view->rotation == 90 || view->rotation == 270) {
5759 doc_width = doc_height;
5763 compute_border (view, doc_width, doc_height, &border);
5765 width -= (border.left + border.right + 2 * view->spacing);
5766 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5768 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5771 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5772 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5773 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5774 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5776 g_assert_not_reached ();
5778 ev_document_model_set_scale (view->model, scale);
5782 ev_view_zoom_for_size_dual_page (EvView *view,
5787 gdouble doc_width, doc_height;
5791 other_page = view->current_page ^ 1;
5793 /* Find the largest of the two. */
5794 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5795 if (other_page < ev_document_get_n_pages (view->document)) {
5796 gdouble width_2, height_2;
5798 get_doc_page_size (view, other_page, &width_2, &height_2);
5799 if (width_2 > doc_width)
5800 doc_width = width_2;
5801 if (height_2 > doc_height)
5802 doc_height = height_2;
5804 compute_border (view, width, height, &border);
5806 doc_width = doc_width * 2;
5807 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
5808 height -= (border.top + border.bottom + 2 * view->spacing);
5810 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5813 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5814 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5815 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5816 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5818 g_assert_not_reached ();
5820 ev_document_model_set_scale (view->model, scale);
5824 ev_view_zoom_for_size_single_page (EvView *view,
5828 gdouble doc_width, doc_height;
5832 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5834 /* Get an approximate border */
5835 compute_border (view, width, height, &border);
5837 width -= (border.left + border.right + 2 * view->spacing);
5838 height -= (border.top + border.bottom + 2 * view->spacing);
5840 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5843 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5844 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5845 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5846 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5848 g_assert_not_reached ();
5850 ev_document_model_set_scale (view->model, scale);
5854 ev_view_zoom_for_size (EvView *view,
5858 g_return_if_fail (EV_IS_VIEW (view));
5859 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
5860 view->sizing_mode == EV_SIZING_BEST_FIT);
5861 g_return_if_fail (width >= 0);
5862 g_return_if_fail (height >= 0);
5864 if (view->document == NULL)
5867 if (view->presentation)
5868 ev_view_zoom_for_size_presentation (view, width, height);
5869 else if (view->continuous && view->dual_page)
5870 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height);
5871 else if (view->continuous)
5872 ev_view_zoom_for_size_continuous (view, width, height);
5873 else if (view->dual_page)
5874 ev_view_zoom_for_size_dual_page (view, width, height);
5876 ev_view_zoom_for_size_single_page (view, width, height);
5881 ev_view_find_get_n_results (EvView *view, gint page)
5883 return view->find_pages ? g_list_length (view->find_pages[page]) : 0;
5886 static EvRectangle *
5887 ev_view_find_get_result (EvView *view, gint page, gint result)
5889 return view->find_pages ? (EvRectangle *) g_list_nth_data (view->find_pages[page], result) : NULL;
5893 jump_to_find_result (EvView *view)
5896 gint page = view->current_page;
5898 n_results = ev_view_find_get_n_results (view, page);
5900 if (n_results > 0 && view->find_result < n_results) {
5902 GdkRectangle view_rect;
5904 rect = ev_view_find_get_result (view, page, view->find_result);
5905 doc_rect_to_view_rect (view, page, rect, &view_rect);
5906 ensure_rectangle_is_visible (view, &view_rect);
5907 view->jump_to_find_result = FALSE;
5913 * @view: #EvView instance
5914 * @direction: Direction to look
5915 * @shift: Shift from current page
5917 * Jumps to the first page that has occurences of searched word.
5918 * Uses a direction where to look and a shift from current page.
5922 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
5926 n_pages = ev_document_get_n_pages (view->document);
5928 for (i = 0; i < n_pages; i++) {
5931 if (direction == EV_VIEW_FIND_NEXT)
5932 page = view->current_page + i;
5934 page = view->current_page - i;
5937 if (page >= n_pages) {
5938 page = page - n_pages;
5939 } else if (page < 0)
5940 page = page + n_pages;
5942 if (ev_view_find_get_n_results (view, page) > 0) {
5943 ev_document_model_set_page (view->model, page);
5950 ev_view_find_changed (EvView *view, GList **results, gint page)
5952 view->find_pages = results;
5954 if (view->jump_to_find_result == TRUE) {
5955 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
5956 jump_to_find_result (view);
5959 if (view->current_page == page)
5960 gtk_widget_queue_draw (GTK_WIDGET (view));
5964 ev_view_find_next (EvView *view)
5968 n_results = ev_view_find_get_n_results (view, view->current_page);
5969 view->find_result++;
5971 if (view->find_result >= n_results) {
5972 view->find_result = 0;
5973 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
5974 jump_to_find_result (view);
5976 jump_to_find_result (view);
5977 gtk_widget_queue_draw (GTK_WIDGET (view));
5982 ev_view_find_previous (EvView *view)
5984 view->find_result--;
5986 if (view->find_result < 0) {
5987 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
5988 view->find_result = MAX (0, ev_view_find_get_n_results (view, view->current_page) - 1);
5989 jump_to_find_result (view);
5991 jump_to_find_result (view);
5992 gtk_widget_queue_draw (GTK_WIDGET (view));
5997 ev_view_find_search_changed (EvView *view)
5999 /* search string has changed, focus on new search result */
6000 view->jump_to_find_result = TRUE;
6001 view->find_pages = NULL;
6005 ev_view_find_set_highlight_search (EvView *view, gboolean value)
6007 view->highlight_find_results = value;
6008 gtk_widget_queue_draw (GTK_WIDGET (view));
6012 ev_view_find_cancel (EvView *view)
6014 view->find_pages = NULL;
6017 /*** Selections ***/
6019 /* compute_new_selection_rect/text calculates the area currently selected by
6020 * view_rect. each handles a different mode;
6023 compute_new_selection_rect (EvView *view,
6027 GdkRectangle view_rect;
6031 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
6033 view_rect.x = MIN (start->x, stop->x);
6034 view_rect.y = MIN (start->y, stop->y);
6035 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
6036 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
6038 n_pages = ev_document_get_n_pages (view->document);
6040 for (i = 0; i < n_pages; i++) {
6041 GdkRectangle page_area;
6044 if (get_page_extents (view, i, &page_area, &border)) {
6045 GdkRectangle overlap;
6047 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
6048 EvViewSelection *selection;
6050 selection = g_new0 (EvViewSelection, 1);
6051 selection->page = i;
6052 view_rect_to_doc_rect (view, &overlap, &page_area,
6053 &(selection->rect));
6055 list = g_list_append (list, selection);
6064 gdk_rectangle_point_in (GdkRectangle *rectangle,
6067 return rectangle->x <= point->x &&
6068 rectangle->y <= point->y &&
6069 point->x < rectangle->x + rectangle->width &&
6070 point->y < rectangle->y + rectangle->height;
6074 compute_new_selection_text (EvView *view,
6075 EvSelectionStyle style,
6079 int n_pages, i, first, last;
6081 EvViewSelection *selection;
6082 gdouble width, height;
6083 int start_page, end_page;
6085 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
6087 n_pages = ev_document_get_n_pages (view->document);
6089 /* First figure out the range of pages the selection
6093 if (view->continuous) {
6096 } else if (view->dual_page) {
6097 start_page = view->start_page;
6098 end_page = view->end_page + 1;
6100 start_page = view->current_page;
6101 end_page = view->current_page + 1;
6104 for (i = start_page; i < end_page; i++) {
6105 GdkRectangle page_area;
6108 get_page_extents (view, i, &page_area, &border);
6109 if (gdk_rectangle_point_in (&page_area, start) ||
6110 gdk_rectangle_point_in (&page_area, stop)) {
6111 if (first == n_pages)
6118 /* Now create a list of EvViewSelection's for the affected
6119 * pages. This could be an empty list, a list of just one
6120 * page or a number of pages.*/
6121 for (i = first; i < last + 1; i++) {
6122 GdkRectangle page_area;
6126 get_doc_page_size (view, i, &width, &height);
6128 selection = g_new0 (EvViewSelection, 1);
6129 selection->page = i;
6130 selection->style = style;
6131 selection->rect.x1 = selection->rect.y1 = 0;
6132 selection->rect.x2 = width;
6133 selection->rect.y2 = height;
6135 get_page_extents (view, i, &page_area, &border);
6137 if (gdk_rectangle_point_in (&page_area, start))
6143 view_point_to_doc_point (view, point, &page_area,
6144 &selection->rect.x1,
6145 &selection->rect.y1);
6147 /* If the selection is contained within just one page,
6148 * make sure we don't write 'start' into both points
6149 * in selection->rect. */
6154 view_point_to_doc_point (view, point, &page_area,
6155 &selection->rect.x2,
6156 &selection->rect.y2);
6158 list = g_list_append (list, selection);
6164 /* This function takes the newly calculated list, and figures out which regions
6165 * have changed. It then queues a redraw approporiately.
6168 merge_selection_region (EvView *view,
6172 GList *new_list_ptr, *old_list_ptr;
6174 /* Update the selection */
6175 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
6176 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
6177 g_list_free (view->selection_info.selections);
6178 view->selection_info.selections = new_list;
6179 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
6180 g_object_notify (G_OBJECT (view), "has-selection");
6182 new_list_ptr = new_list;
6183 old_list_ptr = old_list;
6185 while (new_list_ptr || old_list_ptr) {
6186 EvViewSelection *old_sel, *new_sel;
6188 GdkRegion *region = NULL;
6190 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
6191 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
6193 /* Assume that the lists are in order, and we run through them
6194 * comparing them, one page at a time. We come out with the
6195 * first page we see. */
6196 if (new_sel && old_sel) {
6197 if (new_sel->page < old_sel->page) {
6198 new_list_ptr = new_list_ptr->next;
6200 } else if (new_sel->page > old_sel->page) {
6201 old_list_ptr = old_list_ptr->next;
6204 new_list_ptr = new_list_ptr->next;
6205 old_list_ptr = old_list_ptr->next;
6207 } else if (new_sel) {
6208 new_list_ptr = new_list_ptr->next;
6209 } else if (old_sel) {
6210 old_list_ptr = old_list_ptr->next;
6213 g_assert (new_sel || old_sel);
6215 /* is the page we're looking at on the screen?*/
6216 cur_page = new_sel ? new_sel->page : old_sel->page;
6217 if (cur_page < view->start_page || cur_page > view->end_page)
6220 /* seed the cache with a new page. We are going to need the new
6223 GdkRegion *tmp_region = NULL;
6225 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
6231 new_sel->covered_region = gdk_region_copy (tmp_region);
6235 /* Now we figure out what needs redrawing */
6236 if (old_sel && new_sel) {
6237 if (old_sel->covered_region && new_sel->covered_region) {
6238 /* We only want to redraw the areas that have
6239 * changed, so we xor the old and new regions
6240 * and redraw if it's different */
6241 region = gdk_region_copy (old_sel->covered_region);
6242 gdk_region_xor (region, new_sel->covered_region);
6243 if (gdk_region_empty (region)) {
6244 gdk_region_destroy (region);
6247 } else if (old_sel->covered_region) {
6248 region = gdk_region_copy (old_sel->covered_region);
6249 } else if (new_sel->covered_region) {
6250 region = gdk_region_copy (new_sel->covered_region);
6252 } else if (old_sel && !new_sel) {
6253 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
6254 region = gdk_region_copy (old_sel->covered_region);
6256 } else if (!old_sel && new_sel) {
6257 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
6258 region = gdk_region_copy (new_sel->covered_region);
6261 g_assert_not_reached ();
6264 /* Redraw the damaged region! */
6266 GdkRectangle page_area;
6269 /* I don't know why but the region is smaller
6270 * than expected. This hack fixes it, I guess
6271 * 10 pixels more won't hurt
6273 gdk_region_shrink (region, -5, -5);
6275 get_page_extents (view, cur_page, &page_area, &border);
6276 gdk_region_offset (region,
6277 page_area.x + border.left - view->scroll_x,
6278 page_area.y + border.top - view->scroll_y);
6279 gdk_window_invalidate_region (view->layout.bin_window, region, TRUE);
6280 gdk_region_destroy (region);
6284 /* Free the old list, now that we're done with it. */
6285 g_list_foreach (old_list, (GFunc) selection_free, NULL);
6286 g_list_free (old_list);
6290 compute_selections (EvView *view,
6291 EvSelectionStyle style,
6297 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
6298 list = compute_new_selection_rect (view, start, stop);
6300 list = compute_new_selection_text (view, style, start, stop);
6301 merge_selection_region (view, list);
6304 /* Free's the selection. It's up to the caller to queue redraws if needed.
6307 selection_free (EvViewSelection *selection)
6309 if (selection->covered_region)
6310 gdk_region_destroy (selection->covered_region);
6315 clear_selection (EvView *view)
6317 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
6318 g_list_free (view->selection_info.selections);
6319 view->selection_info.selections = NULL;
6320 view->selection_info.in_selection = FALSE;
6321 if (view->pixbuf_cache)
6322 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
6323 g_object_notify (G_OBJECT (view), "has-selection");
6327 ev_view_select_all (EvView *view)
6329 GList *selections = NULL;
6332 /* Disable selection on rotated pages for the 0.4.0 series */
6333 if (view->rotation != 0)
6336 clear_selection (view);
6338 n_pages = ev_document_get_n_pages (view->document);
6339 for (i = 0; i < n_pages; i++) {
6340 gdouble width, height;
6341 EvViewSelection *selection;
6343 get_doc_page_size (view, i, &width, &height);
6345 selection = g_new0 (EvViewSelection, 1);
6346 selection->page = i;
6347 selection->style = EV_SELECTION_STYLE_GLYPH;
6348 selection->rect.x1 = selection->rect.y1 = 0;
6349 selection->rect.x2 = width;
6350 selection->rect.y2 = height;
6352 selections = g_list_append (selections, selection);
6355 merge_selection_region (view, selections);
6356 gtk_widget_queue_draw (GTK_WIDGET (view));
6360 ev_view_get_has_selection (EvView *view)
6362 return view->selection_info.selections != NULL;
6366 get_selected_text (EvView *view)
6370 gchar *normalized_text;
6371 EvRenderContext *rc;
6373 text = g_string_new (NULL);
6374 rc = ev_render_context_new (NULL, view->rotation, view->scale);
6376 ev_document_doc_mutex_lock ();
6378 for (l = view->selection_info.selections; l != NULL; l = l->next) {
6379 EvViewSelection *selection = (EvViewSelection *)l->data;
6383 page = ev_document_get_page (view->document, selection->page);
6384 ev_render_context_set_page (rc, page);
6385 g_object_unref (page);
6387 tmp = ev_selection_get_selected_text (EV_SELECTION (view->document),
6388 rc, selection->style,
6389 &(selection->rect));
6391 g_string_append (text, tmp);
6395 g_object_unref (rc);
6397 ev_document_doc_mutex_unlock ();
6399 normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC);
6400 g_string_free (text, TRUE);
6401 return normalized_text;
6405 ev_view_clipboard_copy (EvView *view,
6408 GtkClipboard *clipboard;
6410 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
6411 GDK_SELECTION_CLIPBOARD);
6412 gtk_clipboard_set_text (clipboard, text, -1);
6416 ev_view_copy (EvView *ev_view)
6420 if (!EV_IS_SELECTION (ev_view->document))
6423 text = get_selected_text (ev_view);
6424 ev_view_clipboard_copy (ev_view, text);
6429 ev_view_primary_get_cb (GtkClipboard *clipboard,
6430 GtkSelectionData *selection_data,
6434 EvView *ev_view = EV_VIEW (data);
6436 if (ev_view->link_selected) {
6437 gtk_selection_data_set_text (selection_data,
6438 ev_link_action_get_uri (ev_view->link_selected),
6440 } else if (EV_IS_SELECTION (ev_view->document) &&
6441 ev_view->selection_info.selections) {
6444 text = get_selected_text (ev_view);
6446 gtk_selection_data_set_text (selection_data, text, -1);
6453 ev_view_primary_clear_cb (GtkClipboard *clipboard,
6456 EvView *view = EV_VIEW (data);
6458 clear_selection (view);
6459 clear_link_selected (view);
6463 ev_view_update_primary_selection (EvView *ev_view)
6465 GtkClipboard *clipboard;
6467 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
6468 GDK_SELECTION_PRIMARY);
6470 if (ev_view->selection_info.selections || ev_view->link_selected) {
6471 GtkTargetList *target_list;
6472 GtkTargetEntry *targets;
6475 target_list = gtk_target_list_new (NULL, 0);
6476 gtk_target_list_add_text_targets (target_list, 0);
6477 targets = gtk_target_table_new_from_list (target_list, &n_targets);
6478 gtk_target_list_unref (target_list);
6480 if (!gtk_clipboard_set_with_owner (clipboard,
6482 ev_view_primary_get_cb,
6483 ev_view_primary_clear_cb,
6484 G_OBJECT (ev_view)))
6485 ev_view_primary_clear_cb (clipboard, ev_view);
6487 gtk_target_table_free (targets, n_targets);
6489 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
6490 gtk_clipboard_clear (clipboard);
6495 clear_link_selected (EvView *view)
6497 if (view->link_selected) {
6498 g_object_unref (view->link_selected);
6499 view->link_selected = NULL;
6504 ev_view_copy_link_address (EvView *view,
6505 EvLinkAction *action)
6507 clear_link_selected (view);
6509 ev_view_clipboard_copy (view, ev_link_action_get_uri (action));
6511 view->link_selected = g_object_ref (action);
6512 ev_view_update_primary_selection (view);
6515 /*** Cursor operations ***/
6518 ev_view_create_invisible_cursor(void)
6521 GdkColor black = { 0, 0, 0, 0 };
6522 static char bits[] = { 0x00 };
6524 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
6526 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
6530 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
6532 GdkCursor *cursor = NULL;
6533 GdkDisplay *display;
6536 if (view->cursor == new_cursor) {
6540 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
6541 display = gtk_widget_get_display (widget);
6542 view->cursor = new_cursor;
6544 switch (new_cursor) {
6545 case EV_VIEW_CURSOR_NORMAL:
6546 gdk_window_set_cursor (view->layout.bin_window, NULL);
6548 case EV_VIEW_CURSOR_IBEAM:
6549 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
6551 case EV_VIEW_CURSOR_LINK:
6552 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
6554 case EV_VIEW_CURSOR_WAIT:
6555 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
6557 case EV_VIEW_CURSOR_HIDDEN:
6558 cursor = ev_view_create_invisible_cursor ();
6560 case EV_VIEW_CURSOR_DRAG:
6561 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
6563 case EV_VIEW_CURSOR_AUTOSCROLL:
6564 cursor = gdk_cursor_new_for_display (display, GDK_DOUBLE_ARROW);
6569 gdk_window_set_cursor (view->layout.bin_window, cursor);
6570 gdk_cursor_unref (cursor);
6576 ev_view_hide_cursor (EvView *view)
6578 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
6582 ev_view_show_cursor (EvView *view)
6584 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
6588 ev_view_reset_presentation_state (EvView *view)
6590 if (!view->presentation ||
6591 view->presentation_state == EV_PRESENTATION_NORMAL)
6594 view->presentation_state = EV_PRESENTATION_NORMAL;
6595 gdk_window_set_background (view->layout.bin_window,
6596 >K_WIDGET (view)->style->black);
6597 gtk_widget_queue_draw (GTK_WIDGET (view));
6601 ev_view_next_page (EvView *view)
6605 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
6607 if (!view->document)
6610 if (view->presentation &&
6611 (view->presentation_state == EV_PRESENTATION_BLACK ||
6612 view->presentation_state == EV_PRESENTATION_WHITE)) {
6613 ev_view_reset_presentation_state (view);
6617 if (view->animation) {
6618 ev_view_transition_animation_cancel (view->animation, view);
6621 ev_view_presentation_transition_stop (view);
6622 ev_view_reset_presentation_state (view);
6624 page = ev_document_model_get_page (view->model);
6625 n_pages = ev_document_get_n_pages (view->document);
6627 if (view->dual_page && !view->presentation)
6632 if (page < n_pages) {
6633 ev_document_model_set_page (view->model, page);
6635 } else if (view->presentation && page == n_pages) {
6636 view->presentation_state = EV_PRESENTATION_END;
6637 gtk_widget_queue_draw (GTK_WIDGET (view));
6639 } else if (view->dual_page && page == n_pages) {
6640 ev_document_model_set_page (view->model, page - 1);
6648 ev_view_previous_page (EvView *view)
6652 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
6654 if (!view->document)
6657 if (view->presentation &&
6658 view->presentation_state == EV_PRESENTATION_END) {
6659 ev_view_reset_presentation_state (view);
6663 if (view->presentation &&
6664 (view->presentation_state == EV_PRESENTATION_BLACK ||
6665 view->presentation_state == EV_PRESENTATION_WHITE)) {
6666 ev_view_reset_presentation_state (view);
6670 if (view->animation) {
6671 ev_view_transition_animation_cancel (view->animation, view);
6674 ev_view_reset_presentation_state (view);
6676 page = ev_document_model_get_page (view->model);
6678 if (view->dual_page && !view->presentation)
6684 ev_document_model_set_page (view->model, page);
6686 } else if (ev_view_get_dual_page (view) && page == -1) {
6687 ev_document_model_set_page (view->model, 0);