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)
2791 ev_view_get_max_page_size (view, &max_width, NULL);
2792 compute_border (view, max_width, max_width, &border);
2794 n_pages = ev_document_get_n_pages (view->document) + 1;
2796 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
2797 get_page_y_offset (view, n_pages, &requisition->height);
2799 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2800 requisition->width = 1;
2801 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2802 requisition->width = 1;
2803 /* FIXME: This could actually be set on one page docs or docs
2804 * with a strange aspect ratio. */
2805 /* requisition->height = 1;*/
2810 ev_view_size_request_continuous (EvView *view,
2811 GtkRequisition *requisition)
2817 ev_view_get_max_page_size (view, &max_width, NULL);
2818 n_pages = ev_document_get_n_pages (view->document);
2819 compute_border (view, max_width, max_width, &border);
2821 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
2822 get_page_y_offset (view, n_pages, &requisition->height);
2824 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2825 requisition->width = 1;
2826 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2827 requisition->width = 1;
2828 /* FIXME: This could actually be set on one page docs or docs
2829 * with a strange aspect ratio. */
2830 /* requisition->height = 1;*/
2835 ev_view_size_request_dual_page (EvView *view,
2836 GtkRequisition *requisition)
2841 /* Find the largest of the two. */
2842 ev_view_get_page_size (view,
2845 if (view->current_page + 1 < ev_document_get_n_pages (view->document)) {
2846 gint width_2, height_2;
2847 ev_view_get_page_size (view,
2848 view->current_page + 1,
2849 &width_2, &height_2);
2850 if (width_2 > width) {
2855 compute_border (view, width, height, &border);
2857 requisition->width = ((width + border.left + border.right) * 2) +
2858 (view->spacing * 3);
2859 requisition->height = (height + border.top + border.bottom) +
2860 (view->spacing * 2);
2862 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2863 requisition->width = 1;
2864 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2865 requisition->width = 1;
2866 requisition->height = 1;
2871 ev_view_size_request_single_page (EvView *view,
2872 GtkRequisition *requisition)
2877 ev_view_get_page_size (view, view->current_page, &width, &height);
2878 compute_border (view, width, height, &border);
2880 requisition->width = width + border.left + border.right + (2 * view->spacing);
2881 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2883 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2884 requisition->width = 1;
2885 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2886 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2887 requisition->width = 1;
2888 requisition->height = 1;
2893 ev_view_size_request (GtkWidget *widget,
2894 GtkRequisition *requisition)
2896 EvView *view = EV_VIEW (widget);
2898 if (view->document == NULL) {
2899 requisition->width = 1;
2900 requisition->height = 1;
2904 if (view->presentation) {
2905 requisition->width = 1;
2906 requisition->height = 1;
2910 if (view->continuous && view->dual_page)
2911 ev_view_size_request_continuous_dual_page (view, requisition);
2912 else if (view->continuous)
2913 ev_view_size_request_continuous (view, requisition);
2914 else if (view->dual_page)
2915 ev_view_size_request_dual_page (view, requisition);
2917 ev_view_size_request_single_page (view, requisition);
2921 ev_view_size_allocate (GtkWidget *widget,
2922 GtkAllocation *allocation)
2924 EvView *view = EV_VIEW (widget);
2925 GList *children, *l;
2926 gint root_x, root_y;
2928 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
2930 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2931 view->sizing_mode == EV_SIZING_BEST_FIT) {
2932 ev_view_zoom_for_size (view,
2934 allocation->height);
2935 ev_view_size_request (widget, &widget->requisition);
2938 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
2939 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
2942 view_update_range_and_current_page (view);
2944 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2945 view->pending_resize = FALSE;
2946 view->pending_point.x = 0;
2947 view->pending_point.y = 0;
2949 children = gtk_container_get_children (GTK_CONTAINER (widget));
2950 for (l = children; l && l->data; l = g_list_next (l)) {
2952 GdkRectangle view_area;
2953 GList *form_field_mapping;
2954 GtkAllocation child_allocation;
2955 GtkRequisition child_requisition;
2956 GtkWidget *child = (GtkWidget *)l->data;
2958 field = g_object_get_data (G_OBJECT (child), "form-field");
2962 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
2963 field->page->index);
2964 ev_view_get_area_from_mapping (view, field->page->index,
2968 gtk_widget_size_request (child, &child_requisition);
2969 if (child_requisition.width != view_area.width ||
2970 child_requisition.height != view_area.height)
2971 gtk_widget_set_size_request (child, view_area.width, view_area.height);
2973 gtk_container_child_get (GTK_CONTAINER (widget),
2975 "x", &child_allocation.x,
2976 "y", &child_allocation.y,
2978 if (child_allocation.x != view_area.x ||
2979 child_allocation.y != view_area.y) {
2980 gtk_layout_move (GTK_LAYOUT (widget), child, view_area.x, view_area.y);
2983 g_list_free (children);
2985 if (view->window_children)
2986 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2989 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
2990 EvViewWindowChild *child;
2991 EvRectangle doc_rect;
2992 GdkRectangle view_rect;
2994 child = (EvViewWindowChild *)l->data;
2996 doc_rect = *ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (child->window));
2998 doc_rect.x1 = child->orig_x;
2999 doc_rect.y1 = child->orig_y;
3001 doc_rect_to_view_rect (view, child->page, &doc_rect, &view_rect);
3002 view_rect.x -= view->scroll_x;
3003 view_rect.y -= view->scroll_y;
3005 if (view_rect.x != child->orig_x || view_rect.y != child->orig_y) {
3006 child->parent_x = root_x;
3007 child->parent_y = root_y;
3008 ev_view_window_child_move (view, child, view_rect.x + root_x, view_rect.y + root_y);
3014 ev_view_realize (GtkWidget *widget)
3016 EvView *view = EV_VIEW (widget);
3018 if (GTK_WIDGET_CLASS (ev_view_parent_class)->realize)
3019 (* GTK_WIDGET_CLASS (ev_view_parent_class)->realize) (widget);
3021 gdk_window_set_events (view->layout.bin_window,
3022 (gdk_window_get_events (view->layout.bin_window) |
3024 GDK_BUTTON_PRESS_MASK |
3025 GDK_BUTTON_RELEASE_MASK |
3027 GDK_KEY_PRESS_MASK |
3028 GDK_POINTER_MOTION_MASK |
3029 GDK_POINTER_MOTION_HINT_MASK |
3030 GDK_ENTER_NOTIFY_MASK |
3031 GDK_LEAVE_NOTIFY_MASK));
3033 if (view->presentation)
3034 gdk_window_set_background (view->layout.bin_window, &widget->style->black);
3036 gdk_window_set_background (view->layout.bin_window, &widget->style->mid [GTK_STATE_NORMAL]);
3038 on_adjustment_value_changed (NULL, view);
3042 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
3044 EvView *view = EV_VIEW (widget);
3047 state = event->state & gtk_accelerator_get_default_mod_mask ();
3049 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
3050 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
3051 if (event->direction == GDK_SCROLL_UP ||
3052 event->direction == GDK_SCROLL_LEFT) {
3053 if (ev_view_can_zoom_in (view)) {
3054 ev_view_zoom_in (view);
3057 if (ev_view_can_zoom_out (view)) {
3058 ev_view_zoom_out (view);
3065 view->jump_to_find_result = FALSE;
3067 /* Shift+Wheel scrolls the in the perpendicular direction */
3068 if (state & GDK_SHIFT_MASK) {
3069 if (event->direction == GDK_SCROLL_UP)
3070 event->direction = GDK_SCROLL_LEFT;
3071 else if (event->direction == GDK_SCROLL_LEFT)
3072 event->direction = GDK_SCROLL_UP;
3073 else if (event->direction == GDK_SCROLL_DOWN)
3074 event->direction = GDK_SCROLL_RIGHT;
3075 else if (event->direction == GDK_SCROLL_RIGHT)
3076 event->direction = GDK_SCROLL_DOWN;
3078 event->state &= ~GDK_SHIFT_MASK;
3079 state &= ~GDK_SHIFT_MASK;
3083 (view->presentation ||
3084 (view->sizing_mode == EV_SIZING_BEST_FIT && !view->continuous))) {
3085 switch (event->direction) {
3086 case GDK_SCROLL_DOWN:
3087 case GDK_SCROLL_RIGHT:
3088 ev_view_next_page (view);
3091 case GDK_SCROLL_LEFT:
3092 ev_view_previous_page (view);
3102 static EvViewSelection *
3103 find_selection_for_page (EvView *view,
3108 for (list = view->selection_info.selections; list != NULL; list = list->next) {
3109 EvViewSelection *selection;
3111 selection = (EvViewSelection *) list->data;
3113 if (selection->page == page)
3121 draw_end_presentation_page (EvView *view,
3122 GdkRectangle *page_area)
3124 PangoLayout *layout;
3125 PangoFontDescription *font_desc;
3127 const gchar *text = _("End of presentation. Press Escape to exit.");
3129 if (view->presentation_state != EV_PRESENTATION_END)
3132 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), NULL);
3133 markup = g_strdup_printf ("<span foreground=\"white\">%s</span>", text);
3134 pango_layout_set_markup (layout, markup, -1);
3137 font_desc = pango_font_description_new ();
3138 pango_font_description_set_size (font_desc, 16 * PANGO_SCALE);
3139 pango_layout_set_font_description (layout, font_desc);
3141 gtk_paint_layout (GTK_WIDGET (view)->style,
3142 view->layout.bin_window,
3143 GTK_WIDGET_STATE (view),
3152 pango_font_description_free (font_desc);
3153 g_object_unref (layout);
3157 ev_view_expose_event (GtkWidget *widget,
3158 GdkEventExpose *event)
3160 EvView *view = EV_VIEW (widget);
3164 if (view->animation) {
3165 if (ev_transition_animation_ready (view->animation)) {
3166 GdkRectangle page_area;
3169 if (get_page_extents (view, view->current_page, &page_area, &border)) {
3170 cr = gdk_cairo_create (view->layout.bin_window);
3172 /* normalize to x=0, y=0 */
3173 cairo_translate (cr, page_area.x, page_area.y);
3174 page_area.x = page_area.y = 0;
3176 ev_transition_animation_paint (view->animation, cr, page_area);
3184 if (view->presentation) {
3185 switch (view->presentation_state) {
3186 case EV_PRESENTATION_END: {
3187 GdkRectangle area = {0};
3189 area.width = widget->allocation.width;
3190 area.height = widget->allocation.height;
3192 draw_end_presentation_page (view, &area);
3195 case EV_PRESENTATION_BLACK:
3196 case EV_PRESENTATION_WHITE:
3198 case EV_PRESENTATION_NORMAL:
3202 } else if (view->loading) {
3203 GdkRectangle area = {0};
3205 area.width = widget->allocation.width;
3206 area.height = widget->allocation.height;
3208 draw_loading_text (view,
3213 if (view->document == NULL)
3216 cr = gdk_cairo_create (view->layout.bin_window);
3218 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
3219 GdkRectangle page_area;
3221 gboolean page_ready = TRUE;
3223 if (!get_page_extents (view, i, &page_area, &border))
3226 page_area.x -= view->scroll_x;
3227 page_area.y -= view->scroll_y;
3229 draw_one_page (view, i, cr, &page_area, &border, &(event->area), &page_ready);
3231 if (page_ready && view->find_pages && view->highlight_find_results)
3232 highlight_find_results (view, i);
3233 if (page_ready && EV_IS_DOCUMENT_ANNOTATIONS (view->document))
3234 show_annotation_windows (view, i);
3239 if (GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event)
3240 (* GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) (widget, event);
3246 ev_view_do_popup_menu (EvView *view,
3252 EvAnnotation *annot;
3254 image = ev_view_get_image_at_location (view, x, y);
3256 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, image);
3260 link = ev_view_get_link_at_location (view, x, y);
3262 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
3266 annot = ev_view_get_annotation_at_location (view, x, y);
3268 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, annot);
3272 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, NULL);
3278 ev_view_popup_menu (GtkWidget *widget)
3282 gtk_widget_get_pointer (widget, &x, &y);
3283 return ev_view_do_popup_menu (EV_VIEW (widget), x, y);
3287 get_link_area (EvView *view,
3293 GList *link_mapping;
3295 gint x_offset = 0, y_offset = 0;
3297 x += view->scroll_x;
3298 y += view->scroll_y;
3300 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3302 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
3303 ev_view_get_area_from_mapping (view, page,
3309 get_annot_area (EvView *view,
3312 EvAnnotation *annot,
3315 GList *annots_mapping;
3317 gint x_offset = 0, y_offset = 0;
3319 x += view->scroll_x;
3320 y += view->scroll_y;
3322 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3324 annots_mapping = ev_pixbuf_cache_get_annots_mapping (view->pixbuf_cache, page);
3325 ev_view_get_area_from_mapping (view, page,
3331 ev_view_query_tooltip (GtkWidget *widget,
3334 gboolean keyboard_tip,
3335 GtkTooltip *tooltip)
3337 EvView *view = EV_VIEW (widget);
3339 EvAnnotation *annot;
3342 annot = ev_view_get_annotation_at_location (view, x, y);
3343 if (annot && annot->contents) {
3344 GdkRectangle annot_area;
3346 get_annot_area (view, x, y, annot, &annot_area);
3347 gtk_tooltip_set_text (tooltip, annot->contents);
3348 gtk_tooltip_set_tip_area (tooltip, &annot_area);
3353 link = ev_view_get_link_at_location (view, x, y);
3357 text = tip_from_link (view, link);
3358 if (text && g_utf8_validate (text, -1, NULL)) {
3359 GdkRectangle link_area;
3361 get_link_area (view, x, y, link, &link_area);
3362 gtk_tooltip_set_text (tooltip, text);
3363 gtk_tooltip_set_tip_area (tooltip, &link_area);
3371 start_selection_for_event (EvView *view,
3372 GdkEventButton *event)
3374 clear_selection (view);
3376 view->selection_info.start.x = event->x + view->scroll_x;
3377 view->selection_info.start.y = event->y + view->scroll_y;
3379 switch (event->type) {
3380 case GDK_2BUTTON_PRESS:
3381 view->selection_info.style = EV_SELECTION_STYLE_WORD;
3383 case GDK_3BUTTON_PRESS:
3384 view->selection_info.style = EV_SELECTION_STYLE_LINE;
3387 view->selection_info.style = EV_SELECTION_STYLE_GLYPH;
3391 /* In case of WORD or LINE, compute selections now */
3392 compute_selections (view,
3393 view->selection_info.style,
3394 &(view->selection_info.start),
3395 &(view->selection_info.start));
3399 ev_view_button_press_event (GtkWidget *widget,
3400 GdkEventButton *event)
3402 EvView *view = EV_VIEW (widget);
3404 if (!view->document)
3407 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
3408 gtk_widget_grab_focus (widget);
3411 if (view->window_child_focus) {
3412 EvAnnotationWindow *window;
3413 EvAnnotation *annot;
3415 window = EV_ANNOTATION_WINDOW (view->window_child_focus->window);
3416 annot = ev_annotation_window_get_annotation (window);
3417 ev_annotation_window_ungrab_focus (window);
3418 ev_view_annotation_save (view, annot);
3419 view->window_child_focus = NULL;
3422 view->pressed_button = event->button;
3423 view->selection_info.in_drag = FALSE;
3425 if (view->scroll_info.autoscrolling)
3428 switch (event->button) {
3431 EvAnnotation *annot;
3434 if (EV_IS_SELECTION (view->document) && view->selection_info.selections) {
3435 if (event->type == GDK_3BUTTON_PRESS) {
3436 start_selection_for_event (view, event);
3437 } else if (location_in_selected_text (view,
3438 event->x + view->scroll_x,
3439 event->y + view->scroll_y)) {
3440 view->selection_info.in_drag = TRUE;
3442 start_selection_for_event (view, event);
3445 gtk_widget_queue_draw (widget);
3446 } else if ((annot = ev_view_get_annotation_at_location (view, event->x, event->y))) {
3447 ev_view_handle_annotation (view, annot, event->x, event->y, event->time);
3448 } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) {
3449 ev_view_remove_all (view);
3450 ev_view_handle_form_field (view, field, event->x, event->y);
3451 } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) &&
3452 (image = ev_view_get_image_at_location (view, event->x, event->y))) {
3453 if (view->image_dnd_info.image)
3454 g_object_unref (view->image_dnd_info.image);
3455 view->image_dnd_info.image = g_object_ref (image);
3456 view->image_dnd_info.in_drag = TRUE;
3458 view->image_dnd_info.start.x = event->x + view->scroll_x;
3459 view->image_dnd_info.start.y = event->y + view->scroll_y;
3461 ev_view_remove_all (view);
3463 if (EV_IS_SELECTION (view->document))
3464 start_selection_for_event (view, event);
3469 /* use root coordinates as reference point because
3470 * scrolling changes window relative coordinates */
3471 view->drag_info.start.x = event->x_root;
3472 view->drag_info.start.y = event->y_root;
3473 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
3474 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
3476 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
3480 view->scroll_info.start_y = event->y;
3481 return ev_view_do_popup_menu (view, event->x, event->y);
3488 ev_view_remove_all (EvView *view)
3490 GList *children, *child;
3492 children = gtk_container_get_children (GTK_CONTAINER (view));
3493 for (child = children; child && child->data; child = g_list_next (child)) {
3494 gtk_container_remove (GTK_CONTAINER (view),
3495 GTK_WIDGET (child->data));
3497 g_list_free (children);
3500 /*** Drag and Drop ***/
3502 ev_view_drag_data_get (GtkWidget *widget,
3503 GdkDragContext *context,
3504 GtkSelectionData *selection_data,
3508 EvView *view = EV_VIEW (widget);
3511 case TARGET_DND_TEXT:
3512 if (EV_IS_SELECTION (view->document) &&
3513 view->selection_info.selections) {
3516 text = get_selected_text (view);
3517 gtk_selection_data_set_text (selection_data,
3523 case TARGET_DND_IMAGE:
3524 if (view->image_dnd_info.image) {
3527 ev_document_doc_mutex_lock ();
3528 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3529 view->image_dnd_info.image);
3530 ev_document_doc_mutex_unlock ();
3532 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
3533 g_object_unref (pixbuf);
3536 case TARGET_DND_URI:
3537 if (view->image_dnd_info.image) {
3539 const gchar *tmp_uri;
3542 ev_document_doc_mutex_lock ();
3543 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3544 view->image_dnd_info.image);
3545 ev_document_doc_mutex_unlock ();
3547 tmp_uri = ev_image_save_tmp (view->image_dnd_info.image, pixbuf);
3548 g_object_unref (pixbuf);
3550 uris[0] = (gchar *)tmp_uri;
3552 gtk_selection_data_set_uris (selection_data, uris);
3558 ev_view_drag_motion (GtkWidget *widget,
3559 GdkDragContext *context,
3564 if (gtk_drag_get_source_widget (context) == widget)
3565 gdk_drag_status (context, 0, time);
3567 gdk_drag_status (context, context->suggested_action, time);
3573 selection_update_idle_cb (EvView *view)
3575 compute_selections (view,
3576 view->selection_info.style,
3577 &view->selection_info.start,
3579 view->selection_update_id = 0;
3584 selection_scroll_timeout_cb (EvView *view)
3586 gint x, y, shift = 0;
3587 GtkWidget *widget = GTK_WIDGET (view);
3589 gtk_widget_get_pointer (widget, &x, &y);
3591 if (y > widget->allocation.height) {
3592 shift = (y - widget->allocation.height) / 2;
3598 gtk_adjustment_set_value (view->vadjustment,
3599 CLAMP (view->vadjustment->value + shift,
3600 view->vadjustment->lower,
3601 view->vadjustment->upper -
3602 view->vadjustment->page_size));
3604 if (x > widget->allocation.width) {
3605 shift = (x - widget->allocation.width) / 2;
3611 gtk_adjustment_set_value (view->hadjustment,
3612 CLAMP (view->hadjustment->value + shift,
3613 view->hadjustment->lower,
3614 view->hadjustment->upper -
3615 view->hadjustment->page_size));
3621 ev_view_drag_update_momentum (EvView *view)
3624 if (!view->drag_info.in_drag)
3627 for (i = DRAG_HISTORY - 1; i > 0; i--) {
3628 view->drag_info.buffer[i].x = view->drag_info.buffer[i-1].x;
3629 view->drag_info.buffer[i].y = view->drag_info.buffer[i-1].y;
3632 /* Momentum is a moving average of 10ms granularity over
3633 * the last 100ms with each 10ms stored in buffer.
3636 view->drag_info.momentum.x = (view->drag_info.buffer[DRAG_HISTORY - 1].x - view->drag_info.buffer[0].x);
3637 view->drag_info.momentum.y = (view->drag_info.buffer[DRAG_HISTORY - 1].y - view->drag_info.buffer[0].y);
3643 ev_view_scroll_drag_release (EvView *view)
3645 gdouble dhadj_value, dvadj_value;
3646 gdouble oldhadjustment, oldvadjustment;
3648 view->drag_info.momentum.x /= 1.2;
3649 view->drag_info.momentum.y /= 1.2; /* Alter these constants to change "friction" */
3651 dhadj_value = view->hadjustment->page_size *
3652 (gdouble)view->drag_info.momentum.x / GTK_WIDGET (view)->allocation.width;
3653 dvadj_value = view->vadjustment->page_size *
3654 (gdouble)view->drag_info.momentum.y / GTK_WIDGET (view)->allocation.height;
3656 oldhadjustment = gtk_adjustment_get_value (view->hadjustment);
3657 oldvadjustment = gtk_adjustment_get_value (view->vadjustment);
3659 /* When we reach the edges, we need either to absorb some momentum and bounce by
3660 * multiplying it on -0.5 or stop scrolling by setting momentum to 0. */
3661 if (((oldhadjustment + dhadj_value) > (view->hadjustment->upper - view->hadjustment->page_size)) ||
3662 ((oldhadjustment + dhadj_value) < 0))
3663 view->drag_info.momentum.x = 0;
3664 if (((oldvadjustment + dvadj_value) > (view->vadjustment->upper - view->vadjustment->page_size)) ||
3665 ((oldvadjustment + dvadj_value) < 0))
3666 view->drag_info.momentum.y = 0;
3668 gtk_adjustment_set_value (view->hadjustment,
3669 MIN (oldhadjustment + dhadj_value,
3670 view->hadjustment->upper - view->hadjustment->page_size));
3671 gtk_adjustment_set_value (view->vadjustment,
3672 MIN (oldvadjustment + dvadj_value,
3673 view->vadjustment->upper - view->vadjustment->page_size));
3675 if (((view->drag_info.momentum.x < 1) && (view->drag_info.momentum.x > -1)) &&
3676 ((view->drag_info.momentum.y < 1) && (view->drag_info.momentum.y > -1)))
3683 ev_view_motion_notify_event (GtkWidget *widget,
3684 GdkEventMotion *event)
3686 EvView *view = EV_VIEW (widget);
3689 if (!view->document)
3693 if (event->is_hint || event->window != view->layout.bin_window) {
3694 gtk_widget_get_pointer (widget, &x, &y);
3700 if (view->scroll_info.autoscrolling) {
3701 view->scroll_info.last_y = y;
3705 if (view->selection_info.in_drag) {
3706 if (gtk_drag_check_threshold (widget,
3707 view->selection_info.start.x,
3708 view->selection_info.start.y,
3710 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3712 gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT);
3714 gtk_drag_begin (widget, target_list,
3716 1, (GdkEvent *)event);
3718 view->selection_info.in_drag = FALSE;
3720 gtk_target_list_unref (target_list);
3724 } else if (view->image_dnd_info.in_drag) {
3725 if (gtk_drag_check_threshold (widget,
3726 view->selection_info.start.x,
3727 view->selection_info.start.y,
3729 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3731 gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI);
3732 gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE);
3734 gtk_drag_begin (widget, target_list,
3736 1, (GdkEvent *)event);
3738 view->image_dnd_info.in_drag = FALSE;
3740 gtk_target_list_unref (target_list);
3746 switch (view->pressed_button) {
3748 /* For the Evince 0.4.x release, we limit selection to un-rotated
3751 if (view->rotation != 0)
3754 /* Schedule timeout to scroll during selection and additionally
3755 * scroll once to allow arbitrary speed. */
3756 if (!view->selection_scroll_id)
3757 view->selection_scroll_id = g_timeout_add (SCROLL_TIME,
3758 (GSourceFunc)selection_scroll_timeout_cb,
3761 selection_scroll_timeout_cb (view);
3763 view->selection_info.in_selection = TRUE;
3764 view->motion.x = x + view->scroll_x;
3765 view->motion.y = y + view->scroll_y;
3767 /* Queue an idle to handle the motion. We do this because
3768 * handling any selection events in the motion could be slower
3769 * than new motion events reach us. We always put it in the
3770 * idle to make sure we catch up and don't visibly lag the
3772 if (!view->selection_update_id)
3773 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
3777 if (!view->drag_info.in_drag) {
3781 start = gtk_drag_check_threshold (widget,
3782 view->drag_info.start.x,
3783 view->drag_info.start.y,
3786 view->drag_info.in_drag = start;
3787 view->drag_info.drag_timeout_id = g_timeout_add (10,
3788 (GSourceFunc)ev_view_drag_update_momentum, view);
3789 /* Set 100 to choose how long it takes to build up momentum */
3790 /* Clear out previous momentum info: */
3791 for (i = 0; i < DRAG_HISTORY; i++) {
3792 view->drag_info.buffer[i].x = event->x;
3793 view->drag_info.buffer[i].y = event->y;
3795 view->drag_info.momentum.x = 0;
3796 view->drag_info.momentum.y = 0;
3799 if (view->drag_info.in_drag) {
3801 gdouble dhadj_value, dvadj_value;
3803 view->drag_info.buffer[0].x = event->x;
3804 view->drag_info.buffer[0].y = event->y;
3806 dx = event->x_root - view->drag_info.start.x;
3807 dy = event->y_root - view->drag_info.start.y;
3809 dhadj_value = view->hadjustment->page_size *
3810 (gdouble)dx / widget->allocation.width;
3811 dvadj_value = view->vadjustment->page_size *
3812 (gdouble)dy / widget->allocation.height;
3814 /* clamp scrolling to visible area */
3815 gtk_adjustment_set_value (view->hadjustment,
3816 MIN(view->drag_info.hadj - dhadj_value,
3817 view->hadjustment->upper -
3818 view->hadjustment->page_size));
3819 gtk_adjustment_set_value (view->vadjustment,
3820 MIN(view->drag_info.vadj - dvadj_value,
3821 view->vadjustment->upper -
3822 view->vadjustment->page_size));
3829 ev_view_handle_cursor_over_xy (view, x, y);
3836 ev_view_button_release_event (GtkWidget *widget,
3837 GdkEventButton *event)
3839 EvView *view = EV_VIEW (widget);
3840 EvLink *link = NULL;
3842 view->image_dnd_info.in_drag = FALSE;
3844 if (view->scroll_info.autoscrolling) {
3845 ev_view_autoscroll_stop (view);
3846 view->pressed_button = -1;
3851 if (view->drag_info.in_drag) {
3852 view->drag_info.release_timeout_id =
3854 (GSourceFunc)ev_view_scroll_drag_release, view);
3857 if (view->document && !view->drag_info.in_drag && view->pressed_button != 3) {
3858 link = ev_view_get_link_at_location (view, event->x, event->y);
3861 view->drag_info.in_drag = FALSE;
3863 if (view->pressed_button == 2) {
3864 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3867 view->pressed_button = -1;
3869 if (view->selection_scroll_id) {
3870 g_source_remove (view->selection_scroll_id);
3871 view->selection_scroll_id = 0;
3873 if (view->selection_update_id) {
3874 g_source_remove (view->selection_update_id);
3875 view->selection_update_id = 0;
3878 if (view->selection_info.selections) {
3879 clear_link_selected (view);
3880 ev_view_update_primary_selection (view);
3882 if (view->selection_info.in_drag) {
3883 clear_selection (view);
3884 gtk_widget_queue_draw (widget);
3887 view->selection_info.in_drag = FALSE;
3889 if (event->button == 2) {
3890 EvLinkAction *action;
3891 EvLinkActionType type;
3893 action = ev_link_get_action (link);
3897 type = ev_link_action_get_action_type (action);
3898 if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
3899 g_signal_emit (view,
3900 signals[SIGNAL_EXTERNAL_LINK],
3904 ev_view_handle_link (view, link);
3906 } else if (view->presentation) {
3907 switch (event->button) {
3909 ev_view_next_page (view);
3912 ev_view_previous_page (view);
3921 /* Cut and paste from gtkwindow.c */
3923 send_focus_change (GtkWidget *widget,
3926 GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE);
3928 g_object_ref (widget);
3931 GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
3933 GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
3935 fevent->focus_change.type = GDK_FOCUS_CHANGE;
3936 fevent->focus_change.window = g_object_ref (widget->window);
3937 fevent->focus_change.in = in;
3939 gtk_widget_event (widget, fevent);
3941 g_object_notify (G_OBJECT (widget), "has-focus");
3943 g_object_unref (widget);
3944 gdk_event_free (fevent);
3948 ev_view_goto_window_hide (EvView *view)
3950 /* send focus-in event */
3951 send_focus_change (view->goto_entry, FALSE);
3952 gtk_widget_hide (view->goto_window);
3953 gtk_entry_set_text (GTK_ENTRY (view->goto_entry), "");
3957 ev_view_goto_window_delete_event (GtkWidget *widget,
3961 ev_view_goto_window_hide (view);
3967 key_is_numeric (guint keyval)
3969 return ((keyval >= GDK_0 && keyval <= GDK_9) ||
3970 (keyval >= GDK_KP_0 && keyval <= GDK_KP_9));
3974 ev_view_goto_window_key_press_event (GtkWidget *widget,
3978 switch (event->keyval) {
3982 case GDK_ISO_Left_Tab:
3983 ev_view_goto_window_hide (view);
3992 if (!key_is_numeric (event->keyval))
4000 ev_view_goto_window_button_press_event (GtkWidget *widget,
4001 GdkEventButton *event,
4004 ev_view_goto_window_hide (view);
4010 ev_view_goto_entry_activate (GtkEntry *entry,
4016 text = gtk_entry_get_text (entry);
4017 page = atoi (text) - 1;
4019 ev_view_goto_window_hide (view);
4021 if (page >= 0 && page < ev_document_get_n_pages (view->document)) {
4022 ev_document_model_set_page (view->model, page);
4027 ev_view_goto_window_create (EvView *view)
4029 GtkWidget *frame, *hbox, *toplevel, *label;
4031 toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view));
4033 if (view->goto_window) {
4034 if (GTK_WINDOW (toplevel)->group)
4035 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
4036 GTK_WINDOW (view->goto_window));
4037 else if (GTK_WINDOW (view->goto_window)->group)
4038 gtk_window_group_remove_window (GTK_WINDOW (view->goto_window)->group,
4039 GTK_WINDOW (view->goto_window));
4043 view->goto_window = gtk_window_new (GTK_WINDOW_POPUP);
4044 gtk_window_set_screen (GTK_WINDOW (view->goto_window),
4045 gtk_widget_get_screen (GTK_WIDGET (view)));
4047 if (GTK_WINDOW (toplevel)->group)
4048 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
4049 GTK_WINDOW (view->goto_window));
4051 gtk_window_set_modal (GTK_WINDOW (view->goto_window), TRUE);
4053 g_signal_connect (view->goto_window, "delete_event",
4054 G_CALLBACK (ev_view_goto_window_delete_event),
4056 g_signal_connect (view->goto_window, "key_press_event",
4057 G_CALLBACK (ev_view_goto_window_key_press_event),
4059 g_signal_connect (view->goto_window, "button_press_event",
4060 G_CALLBACK (ev_view_goto_window_button_press_event),
4063 frame = gtk_frame_new (NULL);
4064 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
4065 gtk_container_add (GTK_CONTAINER (view->goto_window), frame);
4066 gtk_widget_show (frame);
4068 hbox = gtk_hbox_new (FALSE, 0);
4069 gtk_container_set_border_width (GTK_CONTAINER (hbox), 3);
4070 gtk_container_add (GTK_CONTAINER (frame), hbox);
4071 gtk_widget_show (hbox);
4073 label = gtk_label_new(_("Jump to page:"));
4074 gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 3);
4075 gtk_widget_show (label);
4076 gtk_widget_realize (label);
4078 view->goto_entry = gtk_entry_new ();
4079 g_signal_connect (view->goto_entry, "activate",
4080 G_CALLBACK (ev_view_goto_entry_activate),
4082 gtk_box_pack_start (GTK_BOX (hbox), view->goto_entry, TRUE, TRUE, 0);
4083 gtk_widget_show (view->goto_entry);
4084 gtk_widget_realize (view->goto_entry);
4088 ev_view_goto_entry_grab_focus (EvView *view)
4090 GtkWidgetClass *entry_parent_class;
4092 entry_parent_class = g_type_class_peek_parent (GTK_ENTRY_GET_CLASS (view->goto_entry));
4093 (entry_parent_class->grab_focus) (view->goto_entry);
4095 send_focus_change (view->goto_entry, TRUE);
4099 ev_view_goto_window_send_key_event (EvView *view,
4102 GdkEventKey *new_event;
4105 /* Move goto window off screen */
4106 screen = gtk_widget_get_screen (GTK_WIDGET (view));
4107 gtk_window_move (GTK_WINDOW (view->goto_window),
4108 gdk_screen_get_width (screen) + 1,
4109 gdk_screen_get_height (screen) + 1);
4110 gtk_widget_show (view->goto_window);
4112 new_event = (GdkEventKey *) gdk_event_copy (event);
4113 g_object_unref (new_event->window);
4114 new_event->window = g_object_ref (view->goto_window->window);
4115 gtk_widget_realize (view->goto_window);
4117 gtk_widget_event (view->goto_window, (GdkEvent *)new_event);
4118 gdk_event_free ((GdkEvent *)new_event);
4119 gtk_widget_hide (view->goto_window);
4123 ev_view_key_press_event (GtkWidget *widget,
4126 EvView *view = EV_VIEW (widget);
4127 EvPresentationState current;
4129 if (!view->document)
4132 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
4133 /* Forward key events to current focused window child */
4134 if (view->window_child_focus) {
4135 GdkEventKey *new_event;
4138 new_event = (GdkEventKey *) gdk_event_copy ((GdkEvent *)event);
4139 g_object_unref (new_event->window);
4140 new_event->window = g_object_ref (view->window_child_focus->window->window);
4141 gtk_widget_realize (view->window_child_focus->window);
4142 handled = gtk_widget_event (view->window_child_focus->window, (GdkEvent *)new_event);
4143 gdk_event_free ((GdkEvent *)new_event);
4151 if (!view->presentation ||
4152 view->presentation_state == EV_PRESENTATION_END)
4153 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
4156 current = view->presentation_state;
4158 switch (event->keyval) {
4162 case GDK_KP_Decimal:
4163 view->presentation_state =
4164 (view->presentation_state == EV_PRESENTATION_BLACK) ?
4165 EV_PRESENTATION_NORMAL : EV_PRESENTATION_BLACK;
4169 view->presentation_state =
4170 (view->presentation_state == EV_PRESENTATION_WHITE) ?
4171 EV_PRESENTATION_NORMAL : EV_PRESENTATION_WHITE;
4174 if (view->presentation_state == EV_PRESENTATION_BLACK ||
4175 view->presentation_state == EV_PRESENTATION_WHITE) {
4176 view->presentation_state = EV_PRESENTATION_NORMAL;
4180 if (current == view->presentation_state) {
4181 if (ev_document_get_n_pages (view->document) > 1 &&
4182 key_is_numeric (event->keyval)) {
4185 ev_view_goto_window_create (view);
4186 ev_view_goto_window_send_key_event (view, (GdkEvent *)event);
4187 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4188 gtk_window_move (GTK_WINDOW (view->goto_window), x, y);
4189 gtk_widget_show (view->goto_window);
4190 ev_view_goto_entry_grab_focus (view);
4195 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
4198 switch (view->presentation_state) {
4199 case EV_PRESENTATION_NORMAL:
4200 case EV_PRESENTATION_BLACK:
4201 gdk_window_set_background (view->layout.bin_window,
4202 &widget->style->black);
4204 case EV_PRESENTATION_WHITE:
4205 gdk_window_set_background (view->layout.bin_window,
4206 &widget->style->white);
4209 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
4212 gtk_widget_queue_draw (widget);
4217 ev_view_focus_in (GtkWidget *widget,
4218 GdkEventFocus *event)
4220 if (EV_VIEW (widget)->pixbuf_cache)
4221 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4222 gtk_widget_queue_draw (widget);
4228 ev_view_focus_out (GtkWidget *widget,
4229 GdkEventFocus *event)
4231 if (EV_VIEW (widget)->goto_window)
4232 ev_view_goto_window_hide (EV_VIEW (widget));
4234 if (EV_VIEW (widget)->pixbuf_cache)
4235 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4236 gtk_widget_queue_draw (widget);
4242 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
4244 EvView *view = EV_VIEW (widget);
4246 if (view->cursor != EV_VIEW_CURSOR_NORMAL)
4247 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
4253 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
4255 EvView *view = EV_VIEW (widget);
4257 ev_view_handle_cursor_over_xy (view, event->x, event->y);
4263 ev_view_style_set (GtkWidget *widget,
4264 GtkStyle *old_style)
4266 if (EV_VIEW (widget)->pixbuf_cache)
4267 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4269 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
4275 ev_gdk_color_to_rgb (const GdkColor *color)
4278 result = (0xff0000 | (color->red & 0xff00));
4280 result |= ((color->green & 0xff00) | (color->blue >> 8));
4285 draw_rubberband (GtkWidget *widget, GdkWindow *window,
4286 const GdkRectangle *rect, guchar alpha)
4290 GdkColor *fill_color_gdk;
4293 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
4294 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
4296 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
4297 rect->width, rect->height);
4298 gdk_pixbuf_fill (pixbuf, fill_color);
4300 gdk_draw_pixbuf (window, NULL, pixbuf,
4302 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
4303 rect->width, rect->height,
4304 GDK_RGB_DITHER_NONE,
4307 g_object_unref (pixbuf);
4309 gc = gdk_gc_new (window);
4310 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
4311 gdk_draw_rectangle (window, gc, FALSE,
4312 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
4315 g_object_unref (gc);
4317 gdk_color_free (fill_color_gdk);
4322 highlight_find_results (EvView *view, int page)
4324 gint i, n_results = 0;
4326 n_results = ev_view_find_get_n_results (view, page);
4328 for (i = 0; i < n_results; i++) {
4329 EvRectangle *rectangle;
4330 GdkRectangle view_rectangle;
4333 if (i == view->find_result && page == view->current_page) {
4339 rectangle = ev_view_find_get_result (view, page, i);
4340 doc_rect_to_view_rect (view, page, rectangle, &view_rectangle);
4341 draw_rubberband (GTK_WIDGET (view), view->layout.bin_window,
4342 &view_rectangle, alpha);
4347 draw_loading_text (EvView *view,
4348 GdkRectangle *page_area,
4349 GdkRectangle *expose_area)
4354 if (!view->loading_text) {
4355 const gchar *loading_text = _("Loading...");
4356 PangoLayout *layout;
4357 PangoFontDescription *font_desc;
4358 PangoRectangle logical_rect;
4362 ev_document_fc_mutex_lock ();
4364 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
4366 font_desc = pango_font_description_new ();
4368 /* We set the font to be 10 points, get the size, and scale appropriately */
4369 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
4370 pango_layout_set_font_description (layout, font_desc);
4371 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
4373 target_width = MAX (page_area->width / 2, 1);
4374 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
4375 pango_font_description_set_size (font_desc, (int)real_scale);
4376 pango_layout_set_font_description (layout, font_desc);
4377 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
4379 view->loading_text = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
4381 logical_rect.height);
4382 cr = cairo_create (view->loading_text);
4383 cairo_set_source_rgb (cr,
4387 pango_cairo_show_layout (cr, layout);
4390 pango_font_description_free (font_desc);
4391 g_object_unref (layout);
4393 ev_document_fc_mutex_unlock ();
4396 width = (page_area->width - cairo_image_surface_get_width (view->loading_text)) / 2;
4397 height = (page_area->height - cairo_image_surface_get_height (view->loading_text)) / 2;
4399 cr = gdk_cairo_create (view->layout.bin_window);
4400 cairo_translate (cr,
4401 page_area->x + width,
4402 page_area->y + height);
4403 cairo_set_source_surface (cr, view->loading_text, 0, 0);
4409 draw_one_page (EvView *view,
4412 GdkRectangle *page_area,
4414 GdkRectangle *expose_area,
4415 gboolean *page_ready)
4417 GdkRectangle overlap;
4418 GdkRectangle real_page_area;
4420 g_assert (view->document);
4422 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
4425 /* Render the document itself */
4426 real_page_area = *page_area;
4428 real_page_area.x += border->left;
4429 real_page_area.y += border->top;
4430 real_page_area.width -= (border->left + border->right);
4431 real_page_area.height -= (border->top + border->bottom);
4434 if (!view->presentation) {
4437 current_page = ev_document_model_get_page (view->model);
4438 ev_document_misc_paint_one_page (view->layout.bin_window,
4441 page == current_page);
4444 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
4446 gint page_width, page_height;
4447 cairo_surface_t *page_surface = NULL;
4448 gint selection_width, selection_height;
4449 cairo_surface_t *selection_surface = NULL;
4451 page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page);
4453 if (!page_surface) {
4454 if (!view->presentation) {
4455 draw_loading_text (view,
4460 *page_ready = FALSE;
4465 ev_view_get_page_size (view, page, &width, &height);
4467 page_width = cairo_image_surface_get_width (page_surface);
4468 page_height = cairo_image_surface_get_height (page_surface);
4471 cairo_translate (cr, overlap.x, overlap.y);
4473 if (width != page_width || height != page_height) {
4474 cairo_pattern_set_filter (cairo_get_source (cr),
4477 (gdouble)width / page_width,
4478 (gdouble)height / page_height);
4481 cairo_surface_set_device_offset (page_surface,
4482 overlap.x - real_page_area.x,
4483 overlap.y - real_page_area.y);
4484 cairo_set_source_surface (cr, page_surface, 0, 0);
4488 /* Get the selection pixbuf iff we have something to draw */
4489 if (find_selection_for_page (view, page) &&
4490 view->selection_mode == EV_VIEW_SELECTION_TEXT) {
4492 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
4498 if (!selection_surface) {
4502 selection_width = cairo_image_surface_get_width (selection_surface);
4503 selection_height = cairo_image_surface_get_height (selection_surface);
4506 cairo_translate (cr, overlap.x, overlap.y);
4508 if (width != selection_width || height != selection_height) {
4509 cairo_pattern_set_filter (cairo_get_source (cr),
4512 (gdouble)width / selection_width,
4513 (gdouble)height / selection_height);
4516 cairo_surface_set_device_offset (selection_surface,
4517 overlap.x - real_page_area.x,
4518 overlap.y - real_page_area.y);
4519 cairo_set_source_surface (cr, selection_surface, 0, 0);
4525 /*** GObject functions ***/
4528 ev_view_finalize (GObject *object)
4530 EvView *view = EV_VIEW (object);
4532 clear_selection (view);
4533 clear_link_selected (view);
4535 if (view->image_dnd_info.image)
4536 g_object_unref (view->image_dnd_info.image);
4537 view->image_dnd_info.image = NULL;
4539 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
4543 ev_view_destroy (GtkObject *object)
4545 EvView *view = EV_VIEW (object);
4548 g_object_unref (view->model);
4552 if (view->document) {
4553 g_object_unref (view->document);
4554 view->document = NULL;
4557 if (view->pixbuf_cache) {
4558 g_object_unref (view->pixbuf_cache);
4559 view->pixbuf_cache = NULL;
4562 if (view->goto_window) {
4563 gtk_widget_destroy (view->goto_window);
4564 view->goto_window = NULL;
4565 view->goto_entry = NULL;
4568 ev_view_window_children_free (view);
4570 if (view->selection_scroll_id) {
4571 g_source_remove (view->selection_scroll_id);
4572 view->selection_scroll_id = 0;
4575 if (view->selection_update_id) {
4576 g_source_remove (view->selection_update_id);
4577 view->selection_update_id = 0;
4580 if (view->loading_text) {
4581 cairo_surface_destroy (view->loading_text);
4582 view->loading_text = NULL;
4585 if (view->scroll_info.timeout_id) {
4586 g_source_remove (view->scroll_info.timeout_id);
4587 view->scroll_info.timeout_id = 0;
4590 if (view->drag_info.drag_timeout_id) {
4591 g_source_remove (view->drag_info.drag_timeout_id);
4592 view->drag_info.drag_timeout_id = 0;
4595 if (view->drag_info.release_timeout_id) {
4596 g_source_remove (view->drag_info.release_timeout_id);
4597 view->drag_info.release_timeout_id = 0;
4600 ev_view_presentation_transition_stop (view);
4602 ev_view_set_scroll_adjustments (GTK_LAYOUT (view), NULL, NULL);
4604 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
4608 ev_view_set_property (GObject *object,
4610 const GValue *value,
4613 EvView *view = EV_VIEW (object);
4616 case PROP_CONTINUOUS:
4617 ev_view_set_continuous (view, g_value_get_boolean (value));
4619 case PROP_DUAL_PAGE:
4620 ev_view_set_dual_page (view, g_value_get_boolean (value));
4622 case PROP_FULLSCREEN:
4623 ev_view_set_fullscreen (view, g_value_get_boolean (value));
4625 case PROP_PRESENTATION:
4626 ev_view_set_presentation (view, g_value_get_boolean (value));
4628 case PROP_SIZING_MODE:
4629 ev_view_set_sizing_mode (view, g_value_get_enum (value));
4632 ev_view_set_zoom (view, g_value_get_double (value));
4635 ev_view_set_rotation (view, g_value_get_int (value));
4638 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
4643 ev_view_get_accessible (GtkWidget *widget)
4645 static gboolean first_time = TRUE;
4648 AtkObjectFactory *factory;
4649 AtkRegistry *registry;
4651 GType derived_atk_type;
4654 * Figure out whether accessibility is enabled by looking at the
4655 * type of the accessible object which would be created for
4656 * the parent type of EvView.
4658 derived_type = g_type_parent (EV_TYPE_VIEW);
4660 registry = atk_get_default_registry ();
4661 factory = atk_registry_get_factory (registry,
4663 derived_atk_type = atk_object_factory_get_accessible_type (factory);
4664 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
4665 atk_registry_set_factory_type (registry,
4667 ev_view_accessible_factory_get_type ());
4670 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
4674 ev_view_get_property (GObject *object,
4679 EvView *view = EV_VIEW (object);
4682 case PROP_CONTINUOUS:
4683 g_value_set_boolean (value, view->continuous);
4685 case PROP_DUAL_PAGE:
4686 g_value_set_boolean (value, view->dual_page);
4688 case PROP_FULLSCREEN:
4689 g_value_set_boolean (value, view->fullscreen);
4691 case PROP_PRESENTATION:
4692 g_value_set_boolean (value, view->presentation);
4694 case PROP_SIZING_MODE:
4695 g_value_set_enum (value, view->sizing_mode);
4698 g_value_set_double (value, view->scale);
4701 g_value_set_int (value, view->rotation);
4703 case PROP_HAS_SELECTION:
4704 g_value_set_boolean (value,
4705 view->selection_info.selections != NULL);
4708 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
4713 ev_view_class_init (EvViewClass *class)
4715 GObjectClass *object_class = G_OBJECT_CLASS (class);
4716 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
4717 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
4718 GtkLayoutClass *layout_class = GTK_LAYOUT_CLASS (class);
4719 GtkBindingSet *binding_set;
4721 object_class->finalize = ev_view_finalize;
4722 object_class->set_property = ev_view_set_property;
4723 object_class->get_property = ev_view_get_property;
4725 widget_class->expose_event = ev_view_expose_event;
4726 widget_class->button_press_event = ev_view_button_press_event;
4727 widget_class->motion_notify_event = ev_view_motion_notify_event;
4728 widget_class->button_release_event = ev_view_button_release_event;
4729 widget_class->key_press_event = ev_view_key_press_event;
4730 widget_class->focus_in_event = ev_view_focus_in;
4731 widget_class->focus_out_event = ev_view_focus_out;
4732 widget_class->get_accessible = ev_view_get_accessible;
4733 widget_class->size_request = ev_view_size_request;
4734 widget_class->size_allocate = ev_view_size_allocate;
4735 widget_class->realize = ev_view_realize;
4736 widget_class->scroll_event = ev_view_scroll_event;
4737 widget_class->enter_notify_event = ev_view_enter_notify_event;
4738 widget_class->leave_notify_event = ev_view_leave_notify_event;
4739 widget_class->style_set = ev_view_style_set;
4740 widget_class->drag_data_get = ev_view_drag_data_get;
4741 widget_class->drag_motion = ev_view_drag_motion;
4742 widget_class->popup_menu = ev_view_popup_menu;
4743 widget_class->query_tooltip = ev_view_query_tooltip;
4745 gtk_object_class->destroy = ev_view_destroy;
4747 layout_class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
4749 class->binding_activated = ev_view_scroll;
4751 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
4752 G_TYPE_FROM_CLASS (object_class),
4753 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4754 G_STRUCT_OFFSET (EvViewClass, binding_activated),
4756 ev_view_marshal_VOID__ENUM_BOOLEAN,
4758 GTK_TYPE_SCROLL_TYPE,
4760 signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link",
4761 G_TYPE_FROM_CLASS (object_class),
4762 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4763 G_STRUCT_OFFSET (EvViewClass, handle_link),
4765 g_cclosure_marshal_VOID__OBJECT,
4768 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
4769 G_TYPE_FROM_CLASS (object_class),
4770 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4771 G_STRUCT_OFFSET (EvViewClass, external_link),
4773 g_cclosure_marshal_VOID__OBJECT,
4776 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
4777 G_TYPE_FROM_CLASS (object_class),
4778 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4779 G_STRUCT_OFFSET (EvViewClass, popup_menu),
4781 g_cclosure_marshal_VOID__OBJECT,
4786 g_object_class_install_property (object_class,
4788 g_param_spec_boolean ("continuous",
4790 "Continuous scrolling mode",
4792 G_PARAM_READWRITE));
4794 g_object_class_install_property (object_class,
4796 g_param_spec_boolean ("dual-page",
4798 "Two pages visible at once",
4800 G_PARAM_READWRITE));
4801 g_object_class_install_property (object_class,
4803 g_param_spec_boolean ("fullscreen",
4805 "Draw page in a fullscreen fashion",
4807 G_PARAM_READWRITE));
4808 g_object_class_install_property (object_class,
4810 g_param_spec_boolean ("presentation",
4812 "Draw page in presentation mode",
4814 G_PARAM_READWRITE));
4816 g_object_class_install_property (object_class,
4818 g_param_spec_enum ("sizing-mode",
4821 EV_TYPE_SIZING_MODE,
4822 EV_SIZING_FIT_WIDTH,
4823 G_PARAM_READWRITE));
4825 g_object_class_install_property (object_class,
4827 g_param_spec_double ("zoom",
4833 G_PARAM_READWRITE));
4834 g_object_class_install_property (object_class,
4836 g_param_spec_double ("rotation",
4842 G_PARAM_READWRITE));
4844 g_object_class_install_property (object_class,
4846 g_param_spec_boolean ("has-selection",
4848 "The view has selections",
4852 binding_set = gtk_binding_set_by_class (class);
4854 add_scroll_binding_keypad (binding_set, GDK_Left, 0, GTK_SCROLL_STEP_BACKWARD, TRUE);
4855 add_scroll_binding_keypad (binding_set, GDK_Right, 0, GTK_SCROLL_STEP_FORWARD, TRUE);
4856 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, TRUE);
4857 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, TRUE);
4858 add_scroll_binding_keypad (binding_set, GDK_Up, 0, GTK_SCROLL_STEP_BACKWARD, FALSE);
4859 add_scroll_binding_keypad (binding_set, GDK_Down, 0, GTK_SCROLL_STEP_FORWARD, FALSE);
4860 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, FALSE);
4861 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, FALSE);
4862 gtk_binding_entry_add_signal (binding_set, GDK_H, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4863 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE);
4864 gtk_binding_entry_add_signal (binding_set, GDK_J, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4865 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE);
4866 gtk_binding_entry_add_signal (binding_set, GDK_K, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4867 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE);
4868 gtk_binding_entry_add_signal (binding_set, GDK_L, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4869 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE);
4874 ev_view_init (EvView *view)
4876 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
4878 view->start_page = -1;
4879 view->end_page = -1;
4882 view->current_page = 0;
4883 view->pressed_button = -1;
4884 view->cursor = EV_VIEW_CURSOR_NORMAL;
4885 view->drag_info.in_drag = FALSE;
4886 view->scroll_info.autoscrolling = FALSE;
4887 view->selection_info.selections = NULL;
4888 view->selection_info.in_selection = FALSE;
4889 view->selection_info.in_drag = FALSE;
4890 view->selection_mode = EV_VIEW_SELECTION_TEXT;
4891 view->continuous = TRUE;
4892 view->dual_page = FALSE;
4893 view->presentation = FALSE;
4894 view->presentation_state = EV_PRESENTATION_NORMAL;
4895 view->fullscreen = FALSE;
4896 view->sizing_mode = EV_SIZING_FIT_WIDTH;
4897 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4898 view->jump_to_find_result = TRUE;
4899 view->highlight_find_results = FALSE;
4901 gtk_layout_set_hadjustment (GTK_LAYOUT (view), NULL);
4902 gtk_layout_set_vadjustment (GTK_LAYOUT (view), NULL);
4908 ev_view_change_page (EvView *view,
4910 gboolean start_transition)
4914 view->current_page = new_page;
4915 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4917 if (view->presentation && start_transition)
4918 ev_view_presentation_transition_start (view);
4920 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4921 ev_view_handle_cursor_over_xy (view, x, y);
4923 gtk_widget_queue_resize (GTK_WIDGET (view));
4927 ev_view_transition_animation_finish (EvTransitionAnimation *animation,
4930 g_object_unref (view->animation);
4931 view->animation = NULL;
4932 ev_view_change_page (view, view->current_page, TRUE);
4936 * ev_view_transition_animation_cancel:
4937 * @animation: Animation to finish
4940 * Does almost the same as cancel, but without scheduling the transition.
4944 ev_view_transition_animation_cancel (EvTransitionAnimation *animation,
4947 g_object_unref (view->animation);
4948 view->animation = NULL;
4949 ev_view_change_page (view, view->current_page, FALSE);
4953 ev_view_transition_animation_frame (EvTransitionAnimation *animation,
4957 gtk_widget_queue_draw (GTK_WIDGET (view));
4961 ev_view_presentation_animation_start (EvView *view,
4964 EvTransitionEffect *effect = NULL;
4965 cairo_surface_t *surface;
4967 if (EV_IS_DOCUMENT_TRANSITION (view->document))
4968 effect = ev_document_transition_get_effect (EV_DOCUMENT_TRANSITION (view->document),
4969 view->current_page);
4973 view->animation = ev_transition_animation_new (effect);
4975 surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page);
4976 ev_transition_animation_set_origin_surface (view->animation, surface);
4977 surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, new_page);
4979 ev_transition_animation_set_dest_surface (view->animation, surface);
4981 g_signal_connect (view->animation, "frame",
4982 G_CALLBACK (ev_view_transition_animation_frame), view);
4983 g_signal_connect (view->animation, "finished",
4984 G_CALLBACK (ev_view_transition_animation_finish), view);
4988 job_finished_cb (EvPixbufCache *pixbuf_cache,
4992 if (view->animation) {
4993 cairo_surface_t *surface;
4995 surface = ev_pixbuf_cache_get_surface (pixbuf_cache, view->current_page);
4996 ev_transition_animation_set_dest_surface (view->animation, surface);
5000 gdk_window_invalidate_region (view->layout.bin_window,
5003 gtk_widget_queue_draw (GTK_WIDGET (view));
5008 ev_view_page_changed_cb (EvDocumentModel *model,
5013 if (!view->document)
5016 if (view->current_page != new_page) {
5017 if (view->presentation)
5018 ev_view_presentation_animation_start (view, new_page);
5020 ev_view_change_page (view, new_page, TRUE);
5022 gtk_widget_queue_draw (GTK_WIDGET (view));
5025 view->find_result = 0;
5029 on_adjustment_value_changed (GtkAdjustment *adjustment,
5034 GList *children, *l;
5036 if (! GTK_WIDGET_REALIZED (view))
5039 if (view->hadjustment) {
5040 dx = view->scroll_x - (int) view->hadjustment->value;
5041 view->scroll_x = (int) view->hadjustment->value;
5046 if (view->vadjustment) {
5047 dy = view->scroll_y - (int) view->vadjustment->value;
5048 view->scroll_y = (int) view->vadjustment->value;
5053 children = gtk_container_get_children (GTK_CONTAINER (view));
5054 for (l = children; l && l->data; l = g_list_next (l)) {
5055 gint child_x, child_y;
5056 GtkWidget *child = (GtkWidget *)l->data;
5058 gtk_container_child_get (GTK_CONTAINER (view),
5063 gtk_layout_move (GTK_LAYOUT (view), child, child_x + dx, child_y + dy);
5065 g_list_free (children);
5067 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
5068 EvViewWindowChild *child;
5070 child = (EvViewWindowChild *)l->data;
5072 ev_view_window_child_move (view, child, child->x + dx, child->y + dy);
5075 if (view->pending_resize)
5076 gtk_widget_queue_draw (GTK_WIDGET (view));
5078 gdk_window_scroll (view->layout.bin_window, dx, dy);
5080 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
5081 ev_view_handle_cursor_over_xy (view, x, y);
5084 view_update_range_and_current_page (view);
5092 view = g_object_new (EV_TYPE_VIEW, NULL);
5098 setup_caches (EvView *view)
5100 gboolean inverted_colors;
5102 view->height_to_page_cache = ev_view_get_height_to_page_cache (view);
5103 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
5104 inverted_colors = ev_document_model_get_inverted_colors (view->model);
5105 ev_pixbuf_cache_set_inverted_colors (view->pixbuf_cache, inverted_colors);
5106 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
5110 clear_caches (EvView *view)
5112 if (view->pixbuf_cache) {
5113 g_object_unref (view->pixbuf_cache);
5114 view->pixbuf_cache = NULL;
5119 ev_view_set_loading (EvView *view,
5122 view->loading = loading;
5123 gtk_widget_queue_draw (GTK_WIDGET (view));
5127 ev_view_autoscroll_cb (EvView *view)
5129 gdouble speed, value;
5131 /* If the user stops autoscrolling, autoscrolling will be
5132 * set to false but the timeout will continue; stop the timeout: */
5133 if (!view->scroll_info.autoscrolling) {
5134 view->scroll_info.timeout_id = 0;
5138 if (view->scroll_info.last_y > view->scroll_info.start_y &&
5139 (view->scroll_info.last_y < view->scroll_info.start_y))
5142 /* Replace 100 with your speed of choice: The lower the faster.
5143 * Replace 3 with another speed of choice: The higher, the faster it accelerated
5144 * based on the distance of the starting point from the mouse
5145 * (All also effected by the timeout interval of this callback) */
5147 if (view->scroll_info.start_y > view->scroll_info.last_y)
5148 speed = -pow ((((gdouble)view->scroll_info.start_y - view->scroll_info.last_y) / 100), 3);
5150 speed = pow ((((gdouble)view->scroll_info.last_y - view->scroll_info.start_y) / 100), 3);
5152 value = gtk_adjustment_get_value (view->vadjustment);
5153 value = CLAMP (value + speed, 0, view->vadjustment->upper - view->vadjustment->page_size);
5154 gtk_adjustment_set_value (view->vadjustment, value);
5161 ev_view_autoscroll_start (EvView *view)
5165 g_return_if_fail (EV_IS_VIEW (view));
5167 if (view->scroll_info.autoscrolling)
5170 view->scroll_info.autoscrolling = TRUE;
5171 view->scroll_info.timeout_id =
5172 g_timeout_add (20, (GSourceFunc)ev_view_autoscroll_cb,
5175 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
5176 ev_view_handle_cursor_over_xy (view, x, y);
5180 ev_view_autoscroll_stop (EvView *view)
5184 g_return_if_fail (EV_IS_VIEW (view));
5186 if (!view->scroll_info.autoscrolling)
5189 view->scroll_info.autoscrolling = FALSE;
5190 if (view->scroll_info.timeout_id) {
5191 g_source_remove (view->scroll_info.timeout_id);
5192 view->scroll_info.timeout_id = 0;
5195 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
5196 ev_view_handle_cursor_over_xy (view, x, y);
5200 ev_view_document_changed_cb (EvDocumentModel *model,
5204 EvDocument *document = ev_document_model_get_document (model);
5206 view->loading = FALSE;
5208 if (document != view->document) {
5211 clear_caches (view);
5213 if (view->document) {
5214 g_object_unref (view->document);
5217 view->document = document;
5218 view->find_result = 0;
5220 if (view->document) {
5221 g_object_ref (view->document);
5222 setup_caches (view);
5225 current_page = ev_document_model_get_page (model);
5226 if (view->current_page != current_page) {
5227 ev_view_change_page (view, current_page, TRUE);
5229 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
5230 gtk_widget_queue_resize (GTK_WIDGET (view));
5236 ev_view_rotation_changed_cb (EvDocumentModel *model,
5240 gint rotation = ev_document_model_get_rotation (model);
5242 ev_view_set_rotation (view, rotation);
5244 if (view->pixbuf_cache) {
5245 ev_pixbuf_cache_clear (view->pixbuf_cache);
5246 if (!ev_document_is_page_size_uniform (view->document))
5247 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5248 gtk_widget_queue_resize (GTK_WIDGET (view));
5251 ev_view_remove_all (view);
5254 clear_selection (view);
5258 ev_view_inverted_colors_changed_cb (EvDocumentModel *model,
5262 if (view->pixbuf_cache) {
5263 gboolean inverted_colors;
5265 inverted_colors = ev_document_model_get_inverted_colors (model);
5266 ev_pixbuf_cache_set_inverted_colors (view->pixbuf_cache, inverted_colors);
5267 gtk_widget_queue_resize (GTK_WIDGET (view));
5272 ev_view_sizing_mode_changed_cb (EvDocumentModel *model,
5276 EvSizingMode mode = ev_document_model_get_sizing_mode (model);
5278 ev_view_set_sizing_mode (view, mode);
5280 if (mode != EV_SIZING_FREE)
5281 gtk_widget_queue_resize (GTK_WIDGET (view));
5284 #define EPSILON 0.0000001
5286 ev_view_scale_changed_cb (EvDocumentModel *model,
5290 gdouble scale = ev_document_model_get_scale (model);
5292 if (ABS (view->scale - scale) < EPSILON)
5295 if (view->loading_text) {
5296 cairo_surface_destroy (view->loading_text);
5297 view->loading_text = NULL;
5300 ev_view_set_zoom (view, scale);
5302 view->pending_resize = TRUE;
5303 if (view->sizing_mode == EV_SIZING_FREE)
5304 gtk_widget_queue_resize (GTK_WIDGET (view));
5308 ev_view_continuous_changed_cb (EvDocumentModel *model,
5312 gboolean continuous = ev_document_model_get_continuous (model);
5314 ev_view_set_continuous (view, continuous);
5315 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5316 gtk_widget_queue_resize (GTK_WIDGET (view));
5320 ev_view_dual_page_changed_cb (EvDocumentModel *model,
5324 gboolean dual_page = ev_document_model_get_dual_page (model);
5326 ev_view_set_dual_page (view, dual_page);
5327 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5328 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
5329 * preload_cache_size to be 2 if dual_page is set.
5331 gtk_widget_queue_resize (GTK_WIDGET (view));
5335 ev_view_fullscreen_changed_cb (EvDocumentModel *model,
5339 gboolean fullscreen = ev_document_model_get_fullscreen (model);
5341 ev_view_set_fullscreen (view, fullscreen);
5342 gtk_widget_queue_resize (GTK_WIDGET (view));
5346 ev_view_set_model (EvView *view,
5347 EvDocumentModel *model)
5349 g_return_if_fail (EV_IS_VIEW (view));
5350 g_return_if_fail (EV_IS_DOCUMENT_MODEL (model));
5352 if (model == view->model)
5356 g_signal_handlers_disconnect_by_func (view->model,
5357 ev_view_document_changed_cb,
5359 g_signal_handlers_disconnect_by_func (view->model,
5360 ev_view_page_changed_cb,
5362 g_object_unref (view->model);
5364 view->model = g_object_ref (model);
5365 g_signal_connect (view->model, "notify::document",
5366 G_CALLBACK (ev_view_document_changed_cb),
5368 g_signal_connect (view->model, "notify::rotation",
5369 G_CALLBACK (ev_view_rotation_changed_cb),
5371 g_signal_connect (view->model, "notify::inverted-colors",
5372 G_CALLBACK (ev_view_inverted_colors_changed_cb),
5374 g_signal_connect (view->model, "notify::sizing-mode",
5375 G_CALLBACK (ev_view_sizing_mode_changed_cb),
5377 g_signal_connect (view->model, "notify::scale",
5378 G_CALLBACK (ev_view_scale_changed_cb),
5380 g_signal_connect (view->model, "notify::continuous",
5381 G_CALLBACK (ev_view_continuous_changed_cb),
5383 g_signal_connect (view->model, "notify::dual-page",
5384 G_CALLBACK (ev_view_dual_page_changed_cb),
5386 g_signal_connect (view->model, "notify::fullscreen",
5387 G_CALLBACK (ev_view_fullscreen_changed_cb),
5389 g_signal_connect (view->model, "page-changed",
5390 G_CALLBACK (ev_view_page_changed_cb),
5395 ev_view_reload_page (EvView *view,
5399 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
5407 ev_view_reload (EvView *view)
5409 ev_pixbuf_cache_clear (view->pixbuf_cache);
5410 view_update_range_and_current_page (view);
5413 /*** Zoom and sizing mode ***/
5416 ev_view_set_zoom (EvView *view,
5419 view->scale = scale;
5421 g_object_notify (G_OBJECT (view), "zoom");
5425 ev_view_get_zoom (EvView *view)
5431 ev_view_get_continuous (EvView *view)
5433 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5435 return view->continuous;
5439 ev_view_set_continuous (EvView *view,
5440 gboolean continuous)
5442 g_return_if_fail (EV_IS_VIEW (view));
5444 view->continuous = continuous;
5446 g_object_notify (G_OBJECT (view), "continuous");
5450 ev_view_get_dual_page (EvView *view)
5452 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5454 return view->dual_page;
5458 ev_view_set_dual_page (EvView *view,
5461 g_return_if_fail (EV_IS_VIEW (view));
5463 view->dual_page = dual_page;
5465 g_object_notify (G_OBJECT (view), "dual-page");
5469 ev_view_set_fullscreen (EvView *view,
5470 gboolean fullscreen)
5472 g_return_if_fail (EV_IS_VIEW (view));
5474 view->fullscreen = fullscreen;
5476 g_object_notify (G_OBJECT (view), "fullscreen");
5480 ev_view_get_fullscreen (EvView *view)
5482 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5484 return view->fullscreen;
5488 ev_view_set_presentation (EvView *view,
5489 gboolean presentation)
5491 g_return_if_fail (EV_IS_VIEW (view));
5493 presentation = presentation != FALSE;
5495 if (view->presentation == presentation)
5499 view->presentation_state = EV_PRESENTATION_NORMAL;
5501 view->presentation = presentation;
5502 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5505 view->sizing_mode_saved = view->sizing_mode;
5506 view->scale_saved = view->scale;
5507 ev_document_model_set_sizing_mode (view->model, EV_SIZING_BEST_FIT);
5509 ev_document_model_set_sizing_mode (view->model, view->sizing_mode_saved);
5510 ev_document_model_set_scale (view->model, view->scale_saved);
5513 gtk_widget_queue_resize (GTK_WIDGET (view));
5516 ev_view_presentation_transition_start (view);
5518 ev_view_presentation_transition_stop (view);
5520 if (view->animation) {
5521 /* stop any running animation */
5522 ev_view_transition_animation_cancel (view->animation, view);
5526 if (GTK_WIDGET_REALIZED (view)) {
5527 if (view->presentation)
5528 gdk_window_set_background (view->layout.bin_window,
5529 >K_WIDGET (view)->style->black);
5531 gdk_window_set_background (view->layout.bin_window,
5532 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
5535 g_object_notify (G_OBJECT (view), "presentation");
5539 ev_view_get_presentation (EvView *view)
5541 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5543 return view->presentation;
5547 transition_next_page (EvView *view)
5549 ev_view_next_page (view);
5555 ev_view_presentation_transition_stop (EvView *view)
5557 if (view->trans_timeout_id > 0)
5558 g_source_remove (view->trans_timeout_id);
5559 view->trans_timeout_id = 0;
5563 ev_view_presentation_transition_start (EvView *view)
5567 if (!EV_IS_DOCUMENT_TRANSITION (view->document))
5570 ev_view_presentation_transition_stop (view);
5572 duration = ev_document_transition_get_page_duration (EV_DOCUMENT_TRANSITION (view->document),
5573 view->current_page);
5575 view->trans_timeout_id =
5576 g_timeout_add_seconds (duration,
5577 (GSourceFunc) transition_next_page,
5583 ev_view_set_sizing_mode (EvView *view,
5584 EvSizingMode sizing_mode)
5586 view->sizing_mode = sizing_mode;
5588 g_object_notify (G_OBJECT (view), "sizing-mode");
5592 ev_view_get_sizing_mode (EvView *view)
5594 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
5596 return view->sizing_mode;
5600 ev_view_can_zoom_in (EvView *view)
5602 return view->scale * ZOOM_IN_FACTOR <= ev_document_model_get_max_scale (view->model);
5606 ev_view_can_zoom_out (EvView *view)
5608 return view->scale * ZOOM_OUT_FACTOR >= ev_document_model_get_min_scale (view->model);
5612 ev_view_zoom_in (EvView *view)
5616 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5618 if (view->presentation)
5621 view->pending_scroll = SCROLL_TO_CENTER;
5622 scale = ev_document_model_get_scale (view->model) * ZOOM_IN_FACTOR;
5623 ev_document_model_set_scale (view->model, scale);
5627 ev_view_zoom_out (EvView *view)
5631 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5633 if (view->presentation)
5636 view->pending_scroll = SCROLL_TO_CENTER;
5637 scale = ev_document_model_get_scale (view->model) * ZOOM_OUT_FACTOR;
5638 ev_document_model_set_scale (view->model, scale);
5642 ev_view_set_rotation (EvView *view, int rotation)
5644 view->rotation = rotation;
5646 g_object_notify (G_OBJECT (view), "rotation");
5650 ev_view_get_rotation (EvView *view)
5652 return view->rotation;
5656 zoom_for_size_fit_width (gdouble doc_width,
5663 scale = (double)target_width / doc_width;
5665 if (doc_height * scale > target_height)
5666 scale = (double)target_width / doc_width;
5672 zoom_for_size_fit_height (gdouble doc_width,
5679 scale = (double)target_height / doc_height;
5681 if (doc_width * scale > target_width)
5682 scale = (double)target_height / doc_height;
5688 zoom_for_size_best_fit (gdouble doc_width,
5696 w_scale = (double)target_width / doc_width;
5697 h_scale = (double)target_height / doc_height;
5699 if (doc_height * w_scale > target_height)
5700 w_scale = (double)target_width / doc_width;
5701 if (doc_width * h_scale > target_width)
5702 h_scale = (double)target_height / doc_height;
5704 return MIN (w_scale, h_scale);
5709 ev_view_zoom_for_size_presentation (EvView *view,
5713 gdouble doc_width, doc_height;
5716 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5717 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5718 ev_document_model_set_scale (view->model, scale);
5722 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
5726 gdouble doc_width, doc_height;
5730 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5731 if (view->rotation == 90 || view->rotation == 270) {
5735 doc_width = doc_height;
5739 compute_border (view, doc_width, doc_height, &border);
5742 width -= (2 * (border.left + border.right) + 3 * view->spacing);
5743 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5745 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5748 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5749 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5750 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5751 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5753 g_assert_not_reached ();
5755 ev_document_model_set_scale (view->model, scale);
5759 ev_view_zoom_for_size_continuous (EvView *view,
5763 gdouble doc_width, doc_height;
5767 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5768 if (view->rotation == 90 || view->rotation == 270) {
5772 doc_width = doc_height;
5776 compute_border (view, doc_width, doc_height, &border);
5778 width -= (border.left + border.right + 2 * view->spacing);
5779 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5781 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5784 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5785 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5786 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5787 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5789 g_assert_not_reached ();
5791 ev_document_model_set_scale (view->model, scale);
5795 ev_view_zoom_for_size_dual_page (EvView *view,
5800 gdouble doc_width, doc_height;
5804 other_page = view->current_page ^ 1;
5806 /* Find the largest of the two. */
5807 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5808 if (other_page < ev_document_get_n_pages (view->document)) {
5809 gdouble width_2, height_2;
5811 get_doc_page_size (view, other_page, &width_2, &height_2);
5812 if (width_2 > doc_width)
5813 doc_width = width_2;
5814 if (height_2 > doc_height)
5815 doc_height = height_2;
5817 compute_border (view, width, height, &border);
5819 doc_width = doc_width * 2;
5820 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
5821 height -= (border.top + border.bottom + 2 * view->spacing);
5823 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5826 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5827 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5828 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5829 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5831 g_assert_not_reached ();
5833 ev_document_model_set_scale (view->model, scale);
5837 ev_view_zoom_for_size_single_page (EvView *view,
5841 gdouble doc_width, doc_height;
5845 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5847 /* Get an approximate border */
5848 compute_border (view, width, height, &border);
5850 width -= (border.left + border.right + 2 * view->spacing);
5851 height -= (border.top + border.bottom + 2 * view->spacing);
5853 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5856 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5857 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5858 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5859 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5861 g_assert_not_reached ();
5863 ev_document_model_set_scale (view->model, scale);
5867 ev_view_zoom_for_size (EvView *view,
5871 g_return_if_fail (EV_IS_VIEW (view));
5872 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
5873 view->sizing_mode == EV_SIZING_BEST_FIT);
5874 g_return_if_fail (width >= 0);
5875 g_return_if_fail (height >= 0);
5877 if (view->document == NULL)
5880 if (view->presentation)
5881 ev_view_zoom_for_size_presentation (view, width, height);
5882 else if (view->continuous && view->dual_page)
5883 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height);
5884 else if (view->continuous)
5885 ev_view_zoom_for_size_continuous (view, width, height);
5886 else if (view->dual_page)
5887 ev_view_zoom_for_size_dual_page (view, width, height);
5889 ev_view_zoom_for_size_single_page (view, width, height);
5894 ev_view_find_get_n_results (EvView *view, gint page)
5896 return view->find_pages ? g_list_length (view->find_pages[page]) : 0;
5899 static EvRectangle *
5900 ev_view_find_get_result (EvView *view, gint page, gint result)
5902 return view->find_pages ? (EvRectangle *) g_list_nth_data (view->find_pages[page], result) : NULL;
5906 jump_to_find_result (EvView *view)
5909 gint page = view->current_page;
5911 n_results = ev_view_find_get_n_results (view, page);
5913 if (n_results > 0 && view->find_result < n_results) {
5915 GdkRectangle view_rect;
5917 rect = ev_view_find_get_result (view, page, view->find_result);
5918 doc_rect_to_view_rect (view, page, rect, &view_rect);
5919 ensure_rectangle_is_visible (view, &view_rect);
5920 view->jump_to_find_result = FALSE;
5926 * @view: #EvView instance
5927 * @direction: Direction to look
5928 * @shift: Shift from current page
5930 * Jumps to the first page that has occurences of searched word.
5931 * Uses a direction where to look and a shift from current page.
5935 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
5939 n_pages = ev_document_get_n_pages (view->document);
5941 for (i = 0; i < n_pages; i++) {
5944 if (direction == EV_VIEW_FIND_NEXT)
5945 page = view->current_page + i;
5947 page = view->current_page - i;
5950 if (page >= n_pages) {
5951 page = page - n_pages;
5952 } else if (page < 0)
5953 page = page + n_pages;
5955 if (ev_view_find_get_n_results (view, page) > 0) {
5956 ev_document_model_set_page (view->model, page);
5963 ev_view_find_changed (EvView *view, GList **results, gint page)
5965 view->find_pages = results;
5967 if (view->jump_to_find_result == TRUE) {
5968 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
5969 jump_to_find_result (view);
5972 if (view->current_page == page)
5973 gtk_widget_queue_draw (GTK_WIDGET (view));
5977 ev_view_find_next (EvView *view)
5981 n_results = ev_view_find_get_n_results (view, view->current_page);
5982 view->find_result++;
5984 if (view->find_result >= n_results) {
5985 view->find_result = 0;
5986 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
5987 jump_to_find_result (view);
5989 jump_to_find_result (view);
5990 gtk_widget_queue_draw (GTK_WIDGET (view));
5995 ev_view_find_previous (EvView *view)
5997 view->find_result--;
5999 if (view->find_result < 0) {
6000 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
6001 view->find_result = MAX (0, ev_view_find_get_n_results (view, view->current_page) - 1);
6002 jump_to_find_result (view);
6004 jump_to_find_result (view);
6005 gtk_widget_queue_draw (GTK_WIDGET (view));
6010 ev_view_find_search_changed (EvView *view)
6012 /* search string has changed, focus on new search result */
6013 view->jump_to_find_result = TRUE;
6014 view->find_pages = NULL;
6018 ev_view_find_set_highlight_search (EvView *view, gboolean value)
6020 view->highlight_find_results = value;
6021 gtk_widget_queue_draw (GTK_WIDGET (view));
6025 ev_view_find_cancel (EvView *view)
6027 view->find_pages = NULL;
6030 /*** Selections ***/
6032 /* compute_new_selection_rect/text calculates the area currently selected by
6033 * view_rect. each handles a different mode;
6036 compute_new_selection_rect (EvView *view,
6040 GdkRectangle view_rect;
6044 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
6046 view_rect.x = MIN (start->x, stop->x);
6047 view_rect.y = MIN (start->y, stop->y);
6048 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
6049 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
6051 n_pages = ev_document_get_n_pages (view->document);
6053 for (i = 0; i < n_pages; i++) {
6054 GdkRectangle page_area;
6057 if (get_page_extents (view, i, &page_area, &border)) {
6058 GdkRectangle overlap;
6060 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
6061 EvViewSelection *selection;
6063 selection = g_new0 (EvViewSelection, 1);
6064 selection->page = i;
6065 view_rect_to_doc_rect (view, &overlap, &page_area,
6066 &(selection->rect));
6068 list = g_list_append (list, selection);
6077 gdk_rectangle_point_in (GdkRectangle *rectangle,
6080 return rectangle->x <= point->x &&
6081 rectangle->y <= point->y &&
6082 point->x < rectangle->x + rectangle->width &&
6083 point->y < rectangle->y + rectangle->height;
6087 compute_new_selection_text (EvView *view,
6088 EvSelectionStyle style,
6092 int n_pages, i, first, last;
6094 EvViewSelection *selection;
6095 gdouble width, height;
6096 int start_page, end_page;
6098 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
6100 n_pages = ev_document_get_n_pages (view->document);
6102 /* First figure out the range of pages the selection
6106 if (view->continuous) {
6109 } else if (view->dual_page) {
6110 start_page = view->start_page;
6111 end_page = view->end_page + 1;
6113 start_page = view->current_page;
6114 end_page = view->current_page + 1;
6117 for (i = start_page; i < end_page; i++) {
6118 GdkRectangle page_area;
6121 get_page_extents (view, i, &page_area, &border);
6122 if (gdk_rectangle_point_in (&page_area, start) ||
6123 gdk_rectangle_point_in (&page_area, stop)) {
6124 if (first == n_pages)
6131 /* Now create a list of EvViewSelection's for the affected
6132 * pages. This could be an empty list, a list of just one
6133 * page or a number of pages.*/
6134 for (i = first; i < last + 1; i++) {
6135 GdkRectangle page_area;
6139 get_doc_page_size (view, i, &width, &height);
6141 selection = g_new0 (EvViewSelection, 1);
6142 selection->page = i;
6143 selection->style = style;
6144 selection->rect.x1 = selection->rect.y1 = 0;
6145 selection->rect.x2 = width;
6146 selection->rect.y2 = height;
6148 get_page_extents (view, i, &page_area, &border);
6150 if (gdk_rectangle_point_in (&page_area, start))
6156 view_point_to_doc_point (view, point, &page_area,
6157 &selection->rect.x1,
6158 &selection->rect.y1);
6160 /* If the selection is contained within just one page,
6161 * make sure we don't write 'start' into both points
6162 * in selection->rect. */
6167 view_point_to_doc_point (view, point, &page_area,
6168 &selection->rect.x2,
6169 &selection->rect.y2);
6171 list = g_list_append (list, selection);
6177 /* This function takes the newly calculated list, and figures out which regions
6178 * have changed. It then queues a redraw approporiately.
6181 merge_selection_region (EvView *view,
6185 GList *new_list_ptr, *old_list_ptr;
6187 /* Update the selection */
6188 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
6189 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
6190 g_list_free (view->selection_info.selections);
6191 view->selection_info.selections = new_list;
6192 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
6193 g_object_notify (G_OBJECT (view), "has-selection");
6195 new_list_ptr = new_list;
6196 old_list_ptr = old_list;
6198 while (new_list_ptr || old_list_ptr) {
6199 EvViewSelection *old_sel, *new_sel;
6201 GdkRegion *region = NULL;
6203 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
6204 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
6206 /* Assume that the lists are in order, and we run through them
6207 * comparing them, one page at a time. We come out with the
6208 * first page we see. */
6209 if (new_sel && old_sel) {
6210 if (new_sel->page < old_sel->page) {
6211 new_list_ptr = new_list_ptr->next;
6213 } else if (new_sel->page > old_sel->page) {
6214 old_list_ptr = old_list_ptr->next;
6217 new_list_ptr = new_list_ptr->next;
6218 old_list_ptr = old_list_ptr->next;
6220 } else if (new_sel) {
6221 new_list_ptr = new_list_ptr->next;
6222 } else if (old_sel) {
6223 old_list_ptr = old_list_ptr->next;
6226 g_assert (new_sel || old_sel);
6228 /* is the page we're looking at on the screen?*/
6229 cur_page = new_sel ? new_sel->page : old_sel->page;
6230 if (cur_page < view->start_page || cur_page > view->end_page)
6233 /* seed the cache with a new page. We are going to need the new
6236 GdkRegion *tmp_region = NULL;
6238 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
6244 new_sel->covered_region = gdk_region_copy (tmp_region);
6248 /* Now we figure out what needs redrawing */
6249 if (old_sel && new_sel) {
6250 if (old_sel->covered_region && new_sel->covered_region) {
6251 /* We only want to redraw the areas that have
6252 * changed, so we xor the old and new regions
6253 * and redraw if it's different */
6254 region = gdk_region_copy (old_sel->covered_region);
6255 gdk_region_xor (region, new_sel->covered_region);
6256 if (gdk_region_empty (region)) {
6257 gdk_region_destroy (region);
6260 } else if (old_sel->covered_region) {
6261 region = gdk_region_copy (old_sel->covered_region);
6262 } else if (new_sel->covered_region) {
6263 region = gdk_region_copy (new_sel->covered_region);
6265 } else if (old_sel && !new_sel) {
6266 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
6267 region = gdk_region_copy (old_sel->covered_region);
6269 } else if (!old_sel && new_sel) {
6270 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
6271 region = gdk_region_copy (new_sel->covered_region);
6274 g_assert_not_reached ();
6277 /* Redraw the damaged region! */
6279 GdkRectangle page_area;
6282 /* I don't know why but the region is smaller
6283 * than expected. This hack fixes it, I guess
6284 * 10 pixels more won't hurt
6286 gdk_region_shrink (region, -5, -5);
6288 get_page_extents (view, cur_page, &page_area, &border);
6289 gdk_region_offset (region,
6290 page_area.x + border.left - view->scroll_x,
6291 page_area.y + border.top - view->scroll_y);
6292 gdk_window_invalidate_region (view->layout.bin_window, region, TRUE);
6293 gdk_region_destroy (region);
6297 /* Free the old list, now that we're done with it. */
6298 g_list_foreach (old_list, (GFunc) selection_free, NULL);
6299 g_list_free (old_list);
6303 compute_selections (EvView *view,
6304 EvSelectionStyle style,
6310 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
6311 list = compute_new_selection_rect (view, start, stop);
6313 list = compute_new_selection_text (view, style, start, stop);
6314 merge_selection_region (view, list);
6317 /* Free's the selection. It's up to the caller to queue redraws if needed.
6320 selection_free (EvViewSelection *selection)
6322 if (selection->covered_region)
6323 gdk_region_destroy (selection->covered_region);
6328 clear_selection (EvView *view)
6330 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
6331 g_list_free (view->selection_info.selections);
6332 view->selection_info.selections = NULL;
6333 view->selection_info.in_selection = FALSE;
6334 if (view->pixbuf_cache)
6335 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
6336 g_object_notify (G_OBJECT (view), "has-selection");
6340 ev_view_select_all (EvView *view)
6342 GList *selections = NULL;
6345 /* Disable selection on rotated pages for the 0.4.0 series */
6346 if (view->rotation != 0)
6349 clear_selection (view);
6351 n_pages = ev_document_get_n_pages (view->document);
6352 for (i = 0; i < n_pages; i++) {
6353 gdouble width, height;
6354 EvViewSelection *selection;
6356 get_doc_page_size (view, i, &width, &height);
6358 selection = g_new0 (EvViewSelection, 1);
6359 selection->page = i;
6360 selection->style = EV_SELECTION_STYLE_GLYPH;
6361 selection->rect.x1 = selection->rect.y1 = 0;
6362 selection->rect.x2 = width;
6363 selection->rect.y2 = height;
6365 selections = g_list_append (selections, selection);
6368 merge_selection_region (view, selections);
6369 gtk_widget_queue_draw (GTK_WIDGET (view));
6373 ev_view_get_has_selection (EvView *view)
6375 return view->selection_info.selections != NULL;
6379 get_selected_text (EvView *view)
6383 gchar *normalized_text;
6384 EvRenderContext *rc;
6386 text = g_string_new (NULL);
6387 rc = ev_render_context_new (NULL, view->rotation, view->scale);
6389 ev_document_doc_mutex_lock ();
6391 for (l = view->selection_info.selections; l != NULL; l = l->next) {
6392 EvViewSelection *selection = (EvViewSelection *)l->data;
6396 page = ev_document_get_page (view->document, selection->page);
6397 ev_render_context_set_page (rc, page);
6398 g_object_unref (page);
6400 tmp = ev_selection_get_selected_text (EV_SELECTION (view->document),
6401 rc, selection->style,
6402 &(selection->rect));
6404 g_string_append (text, tmp);
6408 g_object_unref (rc);
6410 ev_document_doc_mutex_unlock ();
6412 normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC);
6413 g_string_free (text, TRUE);
6414 return normalized_text;
6418 ev_view_clipboard_copy (EvView *view,
6421 GtkClipboard *clipboard;
6423 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
6424 GDK_SELECTION_CLIPBOARD);
6425 gtk_clipboard_set_text (clipboard, text, -1);
6429 ev_view_copy (EvView *ev_view)
6433 if (!EV_IS_SELECTION (ev_view->document))
6436 text = get_selected_text (ev_view);
6437 ev_view_clipboard_copy (ev_view, text);
6442 ev_view_primary_get_cb (GtkClipboard *clipboard,
6443 GtkSelectionData *selection_data,
6447 EvView *ev_view = EV_VIEW (data);
6449 if (ev_view->link_selected) {
6450 gtk_selection_data_set_text (selection_data,
6451 ev_link_action_get_uri (ev_view->link_selected),
6453 } else if (EV_IS_SELECTION (ev_view->document) &&
6454 ev_view->selection_info.selections) {
6457 text = get_selected_text (ev_view);
6459 gtk_selection_data_set_text (selection_data, text, -1);
6466 ev_view_primary_clear_cb (GtkClipboard *clipboard,
6469 EvView *view = EV_VIEW (data);
6471 clear_selection (view);
6472 clear_link_selected (view);
6476 ev_view_update_primary_selection (EvView *ev_view)
6478 GtkClipboard *clipboard;
6480 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
6481 GDK_SELECTION_PRIMARY);
6483 if (ev_view->selection_info.selections || ev_view->link_selected) {
6484 GtkTargetList *target_list;
6485 GtkTargetEntry *targets;
6488 target_list = gtk_target_list_new (NULL, 0);
6489 gtk_target_list_add_text_targets (target_list, 0);
6490 targets = gtk_target_table_new_from_list (target_list, &n_targets);
6491 gtk_target_list_unref (target_list);
6493 if (!gtk_clipboard_set_with_owner (clipboard,
6495 ev_view_primary_get_cb,
6496 ev_view_primary_clear_cb,
6497 G_OBJECT (ev_view)))
6498 ev_view_primary_clear_cb (clipboard, ev_view);
6500 gtk_target_table_free (targets, n_targets);
6502 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
6503 gtk_clipboard_clear (clipboard);
6508 clear_link_selected (EvView *view)
6510 if (view->link_selected) {
6511 g_object_unref (view->link_selected);
6512 view->link_selected = NULL;
6517 ev_view_copy_link_address (EvView *view,
6518 EvLinkAction *action)
6520 clear_link_selected (view);
6522 ev_view_clipboard_copy (view, ev_link_action_get_uri (action));
6524 view->link_selected = g_object_ref (action);
6525 ev_view_update_primary_selection (view);
6528 /*** Cursor operations ***/
6531 ev_view_create_invisible_cursor(void)
6534 GdkColor black = { 0, 0, 0, 0 };
6535 static char bits[] = { 0x00 };
6537 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
6539 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
6543 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
6545 GdkCursor *cursor = NULL;
6546 GdkDisplay *display;
6549 if (view->cursor == new_cursor) {
6553 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
6554 display = gtk_widget_get_display (widget);
6555 view->cursor = new_cursor;
6557 switch (new_cursor) {
6558 case EV_VIEW_CURSOR_NORMAL:
6559 gdk_window_set_cursor (view->layout.bin_window, NULL);
6561 case EV_VIEW_CURSOR_IBEAM:
6562 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
6564 case EV_VIEW_CURSOR_LINK:
6565 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
6567 case EV_VIEW_CURSOR_WAIT:
6568 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
6570 case EV_VIEW_CURSOR_HIDDEN:
6571 cursor = ev_view_create_invisible_cursor ();
6573 case EV_VIEW_CURSOR_DRAG:
6574 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
6576 case EV_VIEW_CURSOR_AUTOSCROLL:
6577 cursor = gdk_cursor_new_for_display (display, GDK_DOUBLE_ARROW);
6582 gdk_window_set_cursor (view->layout.bin_window, cursor);
6583 gdk_cursor_unref (cursor);
6589 ev_view_hide_cursor (EvView *view)
6591 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
6595 ev_view_show_cursor (EvView *view)
6597 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
6601 ev_view_reset_presentation_state (EvView *view)
6603 if (!view->presentation ||
6604 view->presentation_state == EV_PRESENTATION_NORMAL)
6607 view->presentation_state = EV_PRESENTATION_NORMAL;
6608 gdk_window_set_background (view->layout.bin_window,
6609 >K_WIDGET (view)->style->black);
6610 gtk_widget_queue_draw (GTK_WIDGET (view));
6614 ev_view_next_page (EvView *view)
6618 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
6620 if (!view->document)
6623 if (view->presentation &&
6624 (view->presentation_state == EV_PRESENTATION_BLACK ||
6625 view->presentation_state == EV_PRESENTATION_WHITE)) {
6626 ev_view_reset_presentation_state (view);
6630 if (view->animation) {
6631 ev_view_transition_animation_cancel (view->animation, view);
6634 ev_view_presentation_transition_stop (view);
6635 ev_view_reset_presentation_state (view);
6637 page = ev_document_model_get_page (view->model);
6638 n_pages = ev_document_get_n_pages (view->document);
6640 if (view->dual_page && !view->presentation)
6645 if (page < n_pages) {
6646 ev_document_model_set_page (view->model, page);
6648 } else if (view->presentation && page == n_pages) {
6649 view->presentation_state = EV_PRESENTATION_END;
6650 gtk_widget_queue_draw (GTK_WIDGET (view));
6652 } else if (view->dual_page && page == n_pages) {
6653 ev_document_model_set_page (view->model, page - 1);
6661 ev_view_previous_page (EvView *view)
6665 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
6667 if (!view->document)
6670 if (view->presentation &&
6671 view->presentation_state == EV_PRESENTATION_END) {
6672 ev_view_reset_presentation_state (view);
6676 if (view->presentation &&
6677 (view->presentation_state == EV_PRESENTATION_BLACK ||
6678 view->presentation_state == EV_PRESENTATION_WHITE)) {
6679 ev_view_reset_presentation_state (view);
6683 if (view->animation) {
6684 ev_view_transition_animation_cancel (view->animation, view);
6687 ev_view_reset_presentation_state (view);
6689 page = ev_document_model_get_page (view->model);
6691 if (view->dual_page && !view->presentation)
6697 ev_document_model_set_page (view->model, page);
6699 } else if (ev_view_get_dual_page (view) && page == -1) {
6700 ev_document_model_set_page (view->model, 0);