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-pixbuf-cache.h"
37 #include "ev-page-cache.h"
38 #include "ev-view-marshal.h"
39 #include "ev-document-annotations.h"
40 #include "ev-annotation-window.h"
42 #include "ev-view-accessible.h"
43 #include "ev-view-private.h"
44 #include "ev-view-type-builtins.h"
46 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
47 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
48 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
51 SIGNAL_BINDING_ACTIVATED,
55 SIGNAL_SELECTION_CHANGED,
65 static guint signals[N_SIGNALS];
70 } EvViewFindDirection;
72 #define ZOOM_IN_FACTOR 1.2
73 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
75 #define SCROLL_TIME 150
78 static void ev_view_set_scroll_adjustments (GtkLayout *layout,
79 GtkAdjustment *hadjustment,
80 GtkAdjustment *vadjustment);
81 static void view_update_range_and_current_page (EvView *view);
82 static void set_scroll_adjustment (EvView *view,
83 GtkOrientation orientation,
84 GtkAdjustment *adjustment);
85 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
87 GdkModifierType modifiers,
90 static void ensure_rectangle_is_visible (EvView *view,
93 /*** Geometry computations ***/
94 static void compute_border (EvView *view,
98 static void get_page_y_offset (EvView *view,
101 static gboolean get_page_extents (EvView *view,
103 GdkRectangle *page_area,
105 static void view_rect_to_doc_rect (EvView *view,
106 GdkRectangle *view_rect,
107 GdkRectangle *page_area,
108 EvRectangle *doc_rect);
109 static void doc_rect_to_view_rect (EvView *view,
111 EvRectangle *doc_rect,
112 GdkRectangle *view_rect);
113 static gboolean get_dual_even_left (EvView *view);
114 static void find_page_at_location (EvView *view,
120 static void doc_point_to_view_point (EvView *view,
123 GdkPoint *view_point);
125 static EvLink * ev_view_get_link_at_location (EvView *view,
128 static char* tip_from_link (EvView *view,
131 static EvFormField *ev_view_get_form_field_at_location (EvView *view,
135 /*** Annotations ***/
136 static EvAnnotation *ev_view_get_annotation_at_location (EvView *view,
139 static void show_annotation_windows (EvView *view,
141 static void hide_annotation_windows (EvView *view,
143 /*** GtkWidget implementation ***/
144 static void ev_view_size_request_continuous_dual_page (EvView *view,
145 GtkRequisition *requisition);
146 static void ev_view_size_request_continuous (EvView *view,
147 GtkRequisition *requisition);
148 static void ev_view_size_request_dual_page (EvView *view,
149 GtkRequisition *requisition);
150 static void ev_view_size_request_single_page (EvView *view,
151 GtkRequisition *requisition);
152 static void ev_view_size_request (GtkWidget *widget,
153 GtkRequisition *requisition);
154 static void ev_view_size_allocate (GtkWidget *widget,
155 GtkAllocation *allocation);
156 static void ev_view_realize (GtkWidget *widget);
157 static gboolean ev_view_scroll_event (GtkWidget *widget,
158 GdkEventScroll *event);
159 static gboolean ev_view_expose_event (GtkWidget *widget,
160 GdkEventExpose *event);
161 static gboolean ev_view_popup_menu (GtkWidget *widget);
162 static gboolean ev_view_button_press_event (GtkWidget *widget,
163 GdkEventButton *event);
164 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
165 GdkEventMotion *event);
166 static gboolean ev_view_button_release_event (GtkWidget *widget,
167 GdkEventButton *event);
168 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
169 GdkEventCrossing *event);
170 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
171 GdkEventCrossing *event);
172 static void ev_view_style_set (GtkWidget *widget,
173 GtkStyle *old_style);
174 static void ev_view_remove_all (EvView *view);
176 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
179 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
180 static void draw_rubberband (GtkWidget *widget,
182 const GdkRectangle *rect,
184 static void highlight_find_results (EvView *view,
186 static void draw_one_page (EvView *view,
189 GdkRectangle *page_area,
191 GdkRectangle *expose_area,
192 gboolean *page_ready);
193 static void draw_loading_text (EvView *view,
194 GdkRectangle *page_area,
195 GdkRectangle *expose_area);
196 static void ev_view_reload_page (EvView *view,
201 static void ev_view_change_page (EvView *view,
203 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
206 static void ev_view_page_changed_cb (EvDocumentModel *model,
210 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
214 static void ev_view_finalize (GObject *object);
215 static void ev_view_destroy (GtkObject *object);
216 static void ev_view_class_init (EvViewClass *class);
217 static void ev_view_init (EvView *view);
219 /*** Zoom and sizing ***/
220 static double zoom_for_size_fit_width (gdouble doc_width,
224 static double zoom_for_size_fit_height (gdouble doc_width,
228 static double zoom_for_size_best_fit (gdouble doc_width,
232 static void ev_view_zoom_for_size (EvView *view,
235 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
238 static void ev_view_zoom_for_size_continuous (EvView *view,
241 static void ev_view_zoom_for_size_dual_page (EvView *view,
244 static void ev_view_zoom_for_size_single_page (EvView *view,
248 static void ev_view_set_cursor (EvView *view,
249 EvViewCursor new_cursor);
250 static void ev_view_handle_cursor_over_xy (EvView *view,
255 static gint ev_view_find_get_n_results (EvView *view,
257 static EvRectangle *ev_view_find_get_result (EvView *view,
260 static void jump_to_find_result (EvView *view);
261 static void jump_to_find_page (EvView *view,
262 EvViewFindDirection direction,
266 static void compute_selections (EvView *view,
267 EvSelectionStyle style,
270 static void clear_selection (EvView *view);
271 static void clear_link_selected (EvView *view);
272 static void selection_free (EvViewSelection *selection);
273 static char* get_selected_text (EvView *ev_view);
274 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
275 GtkSelectionData *selection_data,
278 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
280 static void ev_view_update_primary_selection (EvView *ev_view);
282 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_LAYOUT)
284 /* HeightToPage cache */
285 #define EV_HEIGHT_TO_PAGE_CACHE_KEY "ev-height-to-page-cache"
288 build_height_to_page (EvHeightToPageCache *cache,
289 EvDocument *document,
292 gboolean swap, uniform, dual_even_left;
294 double uniform_height, page_height, next_page_height;
296 gdouble u_width, u_height;
299 swap = (rotation == 90 || rotation == 270);
301 uniform = ev_document_is_page_size_uniform (document);
302 n_pages = ev_document_get_n_pages (document);
303 dual_even_left = (n_pages > 2);
305 g_free (cache->height_to_page);
306 g_free (cache->dual_height_to_page);
308 cache->rotation = rotation;
309 cache->height_to_page = g_new0 (gdouble, n_pages + 1);
310 cache->dual_height_to_page = g_new0 (gdouble, n_pages + 2);
313 ev_document_get_page_size (document, 0, &u_width, &u_height);
316 for (i = 0; i <= n_pages; i++) {
318 uniform_height = swap ? u_width : u_height;
319 cache->height_to_page[i] = i * uniform_height;
324 ev_document_get_page_size (document, i, &w, &h);
325 page_height = swap ? w : h;
329 cache->height_to_page[i] = saved_height;
330 saved_height += page_height;
334 if (dual_even_left && !uniform) {
337 ev_document_get_page_size (document, 0, &w, &h);
338 saved_height = swap ? w : h;
343 for (i = dual_even_left; i < n_pages + 2; i += 2) {
345 uniform_height = swap ? u_width : u_height;
346 cache->dual_height_to_page[i] = ((i + dual_even_left) / 2) * uniform_height;
347 if (i + 1 < n_pages + 2)
348 cache->dual_height_to_page[i + 1] = ((i + dual_even_left) / 2) * uniform_height;
350 if (i + 1 < n_pages) {
353 ev_document_get_page_size (document, i + 1, &w, &h);
354 next_page_height = swap ? w : h;
356 next_page_height = 0;
362 ev_document_get_page_size (document, i, &w, &h);
363 page_height = swap ? w : h;
368 if (i + 1 < n_pages + 2) {
369 cache->dual_height_to_page[i] = saved_height;
370 cache->dual_height_to_page[i + 1] = saved_height;
371 saved_height += MAX(page_height, next_page_height);
373 cache->dual_height_to_page[i] = saved_height;
380 ev_height_to_page_cache_get_height (EvHeightToPageCache *cache,
381 EvDocument *document,
385 gdouble *dual_height)
387 if (cache->rotation != rotation)
388 build_height_to_page (cache, document, rotation);
390 *height = cache->height_to_page[page];
391 *dual_height = cache->dual_height_to_page[page];
395 ev_height_to_page_cache_free (EvHeightToPageCache *cache)
397 if (cache->height_to_page) {
398 g_free (cache->height_to_page);
399 cache->height_to_page = NULL;
402 if (cache->dual_height_to_page) {
403 g_free (cache->dual_height_to_page);
404 cache->dual_height_to_page = NULL;
409 static EvHeightToPageCache *
410 ev_view_get_height_to_page_cache (EvView *view)
412 EvHeightToPageCache *cache;
417 cache = g_object_get_data (G_OBJECT (view->document), EV_HEIGHT_TO_PAGE_CACHE_KEY);
419 cache = g_new0 (EvHeightToPageCache, 1);
420 build_height_to_page (cache, view->document, view->rotation);
421 g_object_set_data_full (G_OBJECT (view->document),
422 EV_HEIGHT_TO_PAGE_CACHE_KEY,
424 (GDestroyNotify)ev_height_to_page_cache_free);
431 ev_view_get_height_to_page (EvView *view,
438 if (!view->height_to_page_cache)
441 ev_height_to_page_cache_get_height (view->height_to_page_cache,
447 *height = (gint)(h * view->scale + 0.5);
450 *dual_height = (gint)(dh * view->scale + 0.5);
454 ev_view_get_scrollbar_size (EvView *view,
455 GtkOrientation orientation)
457 GtkWidget *widget = GTK_WIDGET (view);
459 GtkWidget *swindow = gtk_widget_get_parent (GTK_WIDGET (view));
463 if (!GTK_IS_SCROLLED_WINDOW (swindow))
466 if (orientation == GTK_ORIENTATION_VERTICAL) {
467 if (widget->allocation.height >= widget->requisition.height)
468 sb = gtk_scrolled_window_get_vscrollbar (GTK_SCROLLED_WINDOW (swindow));
472 if (widget->allocation.width >= widget->requisition.width)
473 sb = gtk_scrolled_window_get_hscrollbar (GTK_SCROLLED_WINDOW (swindow));
478 gtk_widget_style_get (swindow, "scrollbar_spacing", &spacing, NULL);
479 gtk_widget_size_request (sb, &req);
481 return (orientation == GTK_ORIENTATION_VERTICAL ? req.width : req.height) + spacing;
485 scroll_to_point (EvView *view,
488 GtkOrientation orientation)
490 if (orientation == GTK_ORIENTATION_VERTICAL) {
491 if (view->continuous) {
492 gtk_adjustment_clamp_page (view->vadjustment,
493 y - view->spacing / 2,
494 y + view->vadjustment->page_size);
496 gtk_adjustment_set_value (view->vadjustment,
498 view->vadjustment->lower,
499 view->vadjustment->upper -
500 view->vadjustment->page_size));
503 if (view->dual_page) {
504 gtk_adjustment_clamp_page (view->hadjustment, x,
505 x + view->hadjustment->page_size);
507 gtk_adjustment_set_value (view->hadjustment,
509 view->hadjustment->lower,
510 view->hadjustment->upper -
511 view->hadjustment->page_size));
517 ev_view_scroll_to_page_position (EvView *view, GtkOrientation orientation)
524 if ((orientation == GTK_ORIENTATION_VERTICAL && view->pending_point.y == 0) ||
525 (orientation == GTK_ORIENTATION_HORIZONTAL && view->pending_point.x == 0)) {
526 GdkRectangle page_area;
529 get_page_extents (view, view->current_page, &page_area, &border);
535 doc_point_to_view_point (view, view->current_page,
536 &view->pending_point, &view_point);
541 scroll_to_point (view, x, y, orientation);
545 view_set_adjustment_values (EvView *view,
546 GtkOrientation orientation)
548 GtkWidget *widget = GTK_WIDGET (view);
549 GtkAdjustment *adjustment;
556 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
557 requisition = widget->requisition.width;
558 allocation = widget->allocation.width;
559 adjustment = view->hadjustment;
561 requisition = widget->requisition.height;
562 allocation = widget->allocation.height;
563 adjustment = view->vadjustment;
570 switch (view->pending_scroll) {
571 case SCROLL_TO_KEEP_POSITION:
572 case SCROLL_TO_FIND_LOCATION:
573 factor = (adjustment->value) / adjustment->upper;
575 case SCROLL_TO_PAGE_POSITION:
577 case SCROLL_TO_CENTER:
578 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
582 adjustment->page_size = allocation;
583 adjustment->step_increment = allocation * 0.1;
584 adjustment->page_increment = allocation * 0.9;
585 adjustment->lower = 0;
586 adjustment->upper = MAX (allocation, requisition);
589 * We add 0.5 to the values before to average out our rounding errors.
591 switch (view->pending_scroll) {
592 case SCROLL_TO_KEEP_POSITION:
593 case SCROLL_TO_FIND_LOCATION:
594 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
595 gtk_adjustment_set_value (adjustment, (int)new_value);
597 case SCROLL_TO_PAGE_POSITION:
598 ev_view_scroll_to_page_position (view, orientation);
600 case SCROLL_TO_CENTER:
601 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
602 0, adjustment->upper - adjustment->page_size);
603 gtk_adjustment_set_value (adjustment, (int)new_value);
607 gtk_adjustment_changed (adjustment);
611 view_update_range_and_current_page (EvView *view)
613 gint start = view->start_page;
614 gint end = view->end_page;
616 if (ev_document_get_n_pages (view->document) <= 0 ||
617 !ev_document_check_dimensions (view->document))
620 if (view->continuous) {
621 GdkRectangle current_area, unused, page_area;
623 gboolean found = FALSE;
624 gint area_max = -1, area;
625 gint best_current_page = -1;
628 if (!(view->vadjustment && view->hadjustment))
631 current_area.x = view->hadjustment->value;
632 current_area.width = view->hadjustment->page_size;
633 current_area.y = view->vadjustment->value;
634 current_area.height = view->vadjustment->page_size;
636 for (i = 0; i < ev_document_get_n_pages (view->document); i++) {
638 get_page_extents (view, i, &page_area, &border);
640 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
641 area = unused.width * unused.height;
645 view->start_page = i;
647 best_current_page = i;
649 if (area > area_max) {
650 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
656 } else if (found && view->current_page <= view->end_page) {
657 if (view->dual_page && j < 1) {
658 /* In dual mode we stop searching
659 * after two consecutive non-visible pages.
668 if (view->pending_scroll == SCROLL_TO_KEEP_POSITION) {
669 best_current_page = MAX (best_current_page, view->start_page);
671 if (view->current_page != best_current_page) {
672 view->current_page = best_current_page;
673 ev_document_model_set_page (view->model, best_current_page);
676 } else if (view->dual_page) {
677 if (view->current_page % 2 == get_dual_even_left (view)) {
678 view->start_page = view->current_page;
679 if (view->current_page + 1 < ev_document_get_n_pages (view->document))
680 view->end_page = view->start_page + 1;
682 view->end_page = view->start_page;
684 if (view->current_page < 1)
685 view->start_page = view->current_page;
687 view->start_page = view->current_page - 1;
688 view->end_page = view->current_page;
691 view->start_page = view->current_page;
692 view->end_page = view->current_page;
695 if (start != view->start_page || end != view->end_page) {
698 for (i = start; i < view->start_page && start != -1; i++) {
699 hide_annotation_windows (view, i);
702 for (i = end; i > view->end_page && end != -1; i--) {
703 hide_annotation_windows (view, i);
707 ev_page_cache_set_page_range (view->page_cache,
710 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
715 view->selection_info.selections);
717 if (ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page))
718 gtk_widget_queue_draw (GTK_WIDGET (view));
722 set_scroll_adjustment (EvView *view,
723 GtkOrientation orientation,
724 GtkAdjustment *adjustment)
726 GtkAdjustment **to_set;
728 if (orientation == GTK_ORIENTATION_HORIZONTAL)
729 to_set = &view->hadjustment;
731 to_set = &view->vadjustment;
733 if (*to_set != adjustment) {
735 g_signal_handlers_disconnect_by_func (*to_set,
736 (gpointer) on_adjustment_value_changed,
738 g_object_unref (*to_set);
741 *to_set = adjustment;
742 view_set_adjustment_values (view, orientation);
745 g_object_ref (*to_set);
746 g_signal_connect (*to_set, "value_changed",
747 G_CALLBACK (on_adjustment_value_changed), view);
753 ev_view_set_scroll_adjustments (GtkLayout *layout,
754 GtkAdjustment *hadjustment,
755 GtkAdjustment *vadjustment)
757 EvView *view = EV_VIEW (layout);
759 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
760 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
762 on_adjustment_value_changed (NULL, view);
766 add_scroll_binding_keypad (GtkBindingSet *binding_set,
768 GdkModifierType modifiers,
769 GtkScrollType scroll,
772 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
774 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
775 "binding_activated", 2,
776 GTK_TYPE_SCROLL_TYPE, scroll,
777 G_TYPE_BOOLEAN, horizontal);
778 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
779 "binding_activated", 2,
780 GTK_TYPE_SCROLL_TYPE, scroll,
781 G_TYPE_BOOLEAN, horizontal);
785 compute_scroll_increment (EvView *view,
786 GtkScrollType scroll)
788 GtkWidget *widget = GTK_WIDGET (view);
789 GtkAdjustment *adjustment = view->vadjustment;
790 GdkRegion *text_region, *region;
793 EvRectangle doc_rect;
794 GdkRectangle page_area;
798 gdouble fraction = 1.0;
800 if (scroll != GTK_SCROLL_PAGE_BACKWARD && scroll != GTK_SCROLL_PAGE_FORWARD)
801 return adjustment->page_size;
803 page = scroll == GTK_SCROLL_PAGE_BACKWARD ? view->start_page : view->end_page;
805 text_region = ev_page_cache_get_text_mapping (view->page_cache, page);
806 if (!text_region || gdk_region_empty (text_region))
807 return adjustment->page_size;
809 get_page_extents (view, page, &page_area, &border);
810 rect.x = page_area.x + view->scroll_x;
811 rect.y = view->scroll_y + (scroll == GTK_SCROLL_PAGE_BACKWARD ? 5 : widget->allocation.height - 5);
812 rect.width = page_area.width;
814 view_rect_to_doc_rect (view, &rect, &page_area, &doc_rect);
816 /* Convert the doc rectangle into a GdkRectangle */
817 rect.x = doc_rect.x1;
818 rect.y = doc_rect.y1;
819 rect.width = doc_rect.x2 - doc_rect.x1;
820 rect.height = MAX (1, doc_rect.y2 - doc_rect.y1);
821 region = gdk_region_rectangle (&rect);
823 gdk_region_intersect (region, text_region);
824 gdk_region_get_rectangles (region, &recs, &n_recs);
825 gdk_region_destroy (region);
830 ev_page = ev_document_get_page (view->document, page);
831 rc = ev_render_context_new (ev_page, view->rotation, view->scale);
832 g_object_unref (ev_page);
833 /* Get the selection region to know the height of the line */
834 doc_rect.x1 = doc_rect.x2 = recs[0].x + 0.5;
835 doc_rect.y1 = doc_rect.y2 = recs[0].y + 0.5;
837 ev_document_doc_mutex_lock ();
838 region = ev_selection_get_selection_region (EV_SELECTION (view->document),
839 rc, EV_SELECTION_STYLE_LINE,
841 ev_document_doc_mutex_unlock ();
845 gdk_region_get_rectangles (region, &recs, &n_recs);
846 gdk_region_destroy (region);
848 fraction = 1 - (recs[0].height / adjustment->page_size);
853 return adjustment->page_size * fraction;
858 ev_view_scroll (EvView *view,
859 GtkScrollType scroll,
862 GtkAdjustment *adjustment;
863 double value, increment;
864 gboolean first_page = FALSE;
865 gboolean last_page = FALSE;
867 view->jump_to_find_result = FALSE;
869 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
871 case GTK_SCROLL_PAGE_BACKWARD:
872 case GTK_SCROLL_STEP_BACKWARD:
873 ev_view_previous_page (view);
875 case GTK_SCROLL_PAGE_FORWARD:
876 case GTK_SCROLL_STEP_FORWARD:
877 ev_view_next_page (view);
885 /* Assign values for increment and vertical adjustment */
886 adjustment = horizontal ? view->hadjustment : view->vadjustment;
887 value = adjustment->value;
889 /* Assign boolean for first and last page */
890 if (view->current_page == 0)
892 if (view->current_page == ev_document_get_n_pages (view->document) - 1)
896 case GTK_SCROLL_PAGE_BACKWARD:
897 /* Do not jump backwards if at the first page */
898 if (value == (adjustment->lower) && first_page) {
900 /* At the top of a page, assign the upper bound limit of previous page */
901 } else if (value == (adjustment->lower)) {
902 value = adjustment->upper - adjustment->page_size;
903 ev_view_previous_page (view);
904 /* Jump to the top */
906 increment = compute_scroll_increment (view, GTK_SCROLL_PAGE_BACKWARD);
907 value = MAX (value - increment, adjustment->lower);
910 case GTK_SCROLL_PAGE_FORWARD:
911 /* Do not jump forward if at the last page */
912 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
914 /* At the bottom of a page, assign the lower bound limit of next page */
915 } else if (value == (adjustment->upper - adjustment->page_size)) {
917 ev_view_next_page (view);
918 /* Jump to the bottom */
920 increment = compute_scroll_increment (view, GTK_SCROLL_PAGE_FORWARD);
921 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
924 case GTK_SCROLL_STEP_BACKWARD:
925 value -= adjustment->step_increment;
927 case GTK_SCROLL_STEP_FORWARD:
928 value += adjustment->step_increment;
930 case GTK_SCROLL_STEP_DOWN:
931 value -= adjustment->step_increment / 10;
933 case GTK_SCROLL_STEP_UP:
934 value += adjustment->step_increment / 10;
940 value = CLAMP (value, adjustment->lower,
941 adjustment->upper - adjustment->page_size);
943 gtk_adjustment_set_value (adjustment, value);
949 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
951 GtkWidget *widget = GTK_WIDGET (view);
952 GtkAdjustment *adjustment;
955 view->pending_scroll = SCROLL_TO_FIND_LOCATION;
957 adjustment = view->vadjustment;
959 if (rect->y < adjustment->value) {
960 value = MAX (adjustment->lower, rect->y - MARGIN);
961 gtk_adjustment_set_value (view->vadjustment, value);
962 } else if (rect->y + rect->height >
963 adjustment->value + widget->allocation.height) {
964 value = MIN (adjustment->upper, rect->y + rect->height -
965 widget->allocation.height + MARGIN);
966 gtk_adjustment_set_value (view->vadjustment, value);
969 adjustment = view->hadjustment;
971 if (rect->x < adjustment->value) {
972 value = MAX (adjustment->lower, rect->x - MARGIN);
973 gtk_adjustment_set_value (view->hadjustment, value);
974 } else if (rect->x + rect->height >
975 adjustment->value + widget->allocation.width) {
976 value = MIN (adjustment->upper, rect->x + rect->width -
977 widget->allocation.width + MARGIN);
978 gtk_adjustment_set_value (view->hadjustment, value);
981 gtk_widget_queue_resize (GTK_WIDGET (view));
984 /*** Geometry computations ***/
987 compute_border (EvView *view, int width, int height, GtkBorder *border)
989 ev_document_misc_get_page_border_size (width, height, border);
993 _get_page_size_for_scale_and_rotation (EvDocument *document,
1003 ev_document_get_page_size (document, page, &w, &h);
1005 width = (gint)(w * scale + 0.5);
1006 height = (gint)(h * scale + 0.5);
1009 *page_width = (rotation == 0 || rotation == 180) ? width : height;
1011 *page_height = (rotation == 0 || rotation == 180) ? height : width;
1015 ev_view_get_page_size (EvView *view,
1020 _get_page_size_for_scale_and_rotation (view->document,
1029 ev_view_get_max_page_size (EvView *view,
1036 ev_document_get_max_page_size (view->document, &w, &h);
1038 width = (gint)(w * view->scale + 0.5);
1039 height = (gint)(h * view->scale + 0.5);
1042 *max_width = (view->rotation == 0 || view->rotation == 180) ? width : height;
1044 *max_height = (view->rotation == 0 || view->rotation == 180) ? height : width;
1048 get_page_y_offset (EvView *view, int page, int *y_offset)
1050 int max_width, offset;
1053 g_return_if_fail (y_offset != NULL);
1055 ev_view_get_max_page_size (view, &max_width, NULL);
1056 compute_border (view, max_width, max_width, &border);
1058 if (view->dual_page) {
1059 ev_view_get_height_to_page (view, page, NULL, &offset);
1060 offset += ((page + get_dual_even_left (view)) / 2 + 1) * view->spacing +
1061 ((page + get_dual_even_left (view)) / 2 ) * (border.top + border.bottom);
1063 ev_view_get_height_to_page (view, page, &offset, NULL);
1064 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
1072 get_page_extents (EvView *view,
1074 GdkRectangle *page_area,
1080 widget = GTK_WIDGET (view);
1082 /* Get the size of the page */
1083 ev_view_get_page_size (view, page, &width, &height);
1084 compute_border (view, width, height, border);
1085 page_area->width = width + border->left + border->right;
1086 page_area->height = height + border->top + border->bottom;
1088 if (view->continuous) {
1092 ev_view_get_max_page_size (view, &max_width, NULL);
1093 max_width = max_width + border->left + border->right;
1094 /* Get the location of the bounding box */
1095 if (view->dual_page) {
1096 x = view->spacing + ((page % 2 == get_dual_even_left (view)) ? 0 : 1) * (max_width + view->spacing);
1097 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
1098 if (page % 2 == get_dual_even_left (view))
1099 x = x + (max_width - width - border->left - border->right);
1102 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
1105 get_page_y_offset (view, page, &y);
1111 if (view->dual_page) {
1112 gint width_2, height_2;
1113 gint max_width = width;
1114 gint max_height = height;
1115 GtkBorder overall_border;
1118 other_page = (page % 2 == get_dual_even_left (view)) ? page + 1: page - 1;
1120 /* First, we get the bounding box of the two pages */
1121 if (other_page < ev_document_get_n_pages (view->document)
1122 && (0 <= other_page)) {
1123 ev_view_get_page_size (view, other_page,
1124 &width_2, &height_2);
1125 if (width_2 > width)
1126 max_width = width_2;
1127 if (height_2 > height)
1128 max_height = height_2;
1130 compute_border (view, max_width, max_height, &overall_border);
1132 /* Find the offsets */
1136 /* Adjust for being the left or right page */
1137 if (page % 2 == get_dual_even_left (view))
1138 x = x + max_width - width;
1140 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
1142 y = y + (max_height - height)/2;
1144 /* Adjust for extra allocation */
1145 x = x + MAX (0, widget->allocation.width -
1146 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
1147 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
1152 /* Adjust for extra allocation */
1153 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
1154 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
1165 get_doc_page_size (EvView *view,
1172 ev_document_get_page_size (view->document, page, &w, &h);
1173 if (view->rotation == 0 || view->rotation == 180) {
1174 if (width) *width = w;
1175 if (height) *height = h;
1177 if (width) *width = h;
1178 if (height) *height = w;
1183 view_point_to_doc_point (EvView *view,
1184 GdkPoint *view_point,
1185 GdkRectangle *page_area,
1186 double *doc_point_x,
1187 double *doc_point_y)
1189 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
1190 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
1194 view_rect_to_doc_rect (EvView *view,
1195 GdkRectangle *view_rect,
1196 GdkRectangle *page_area,
1197 EvRectangle *doc_rect)
1199 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
1200 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
1201 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
1202 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
1206 doc_point_to_view_point (EvView *view,
1209 GdkPoint *view_point)
1211 GdkRectangle page_area;
1213 double x, y, view_x, view_y;
1214 gdouble width, height;
1216 get_doc_page_size (view, page, &width, &height);
1218 if (view->rotation == 0) {
1221 } else if (view->rotation == 90) {
1222 x = width - doc_point->y;
1224 } else if (view->rotation == 180) {
1225 x = width - doc_point->x;
1226 y = height - doc_point->y;
1227 } else if (view->rotation == 270) {
1229 y = height - doc_point->x;
1231 g_assert_not_reached ();
1234 get_page_extents (view, page, &page_area, &border);
1236 view_x = CLAMP (x * view->scale, 0, page_area.width);
1237 view_y = CLAMP (y * view->scale, 0, page_area.height);
1238 view_point->x = view_x + page_area.x;
1239 view_point->y = view_y + page_area.y;
1243 doc_rect_to_view_rect (EvView *view,
1245 EvRectangle *doc_rect,
1246 GdkRectangle *view_rect)
1248 GdkRectangle page_area;
1251 gdouble width, height;
1253 get_doc_page_size (view, page, &width, &height);
1255 if (view->rotation == 0) {
1258 w = doc_rect->x2 - doc_rect->x1;
1259 h = doc_rect->y2 - doc_rect->y1;
1260 } else if (view->rotation == 90) {
1261 x = width - doc_rect->y2;
1263 w = doc_rect->y2 - doc_rect->y1;
1264 h = doc_rect->x2 - doc_rect->x1;
1265 } else if (view->rotation == 180) {
1266 x = width - doc_rect->x2;
1267 y = height - doc_rect->y2;
1268 w = doc_rect->x2 - doc_rect->x1;
1269 h = doc_rect->y2 - doc_rect->y1;
1270 } else if (view->rotation == 270) {
1272 y = height - doc_rect->x2;
1273 w = doc_rect->y2 - doc_rect->y1;
1274 h = doc_rect->x2 - doc_rect->x1;
1276 g_assert_not_reached ();
1279 get_page_extents (view, page, &page_area, &border);
1281 view_rect->x = x * view->scale + page_area.x;
1282 view_rect->y = y * view->scale + page_area.y;
1283 view_rect->width = w * view->scale;
1284 view_rect->height = h * view->scale;
1288 get_dual_even_left (EvView *view)
1290 return (ev_document_get_n_pages (view->document) > 2);
1294 find_page_at_location (EvView *view,
1303 if (view->document == NULL)
1307 g_assert (x_offset);
1308 g_assert (y_offset);
1310 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
1311 GdkRectangle page_area;
1314 if (! get_page_extents (view, i, &page_area, &border))
1317 if ((x >= page_area.x + border.left) &&
1318 (x < page_area.x + page_area.width - border.right) &&
1319 (y >= page_area.y + border.top) &&
1320 (y < page_area.y + page_area.height - border.bottom)) {
1322 *x_offset = x - (page_area.x + border.left);
1323 *y_offset = y - (page_area.y + border.top);
1332 location_in_text (EvView *view,
1338 gint x_offset = 0, y_offset = 0;
1340 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1345 region = ev_page_cache_get_text_mapping (view->page_cache, page);
1348 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1354 ev_view_get_width (EvView *view)
1356 return GTK_WIDGET (view)->allocation.width;
1360 ev_view_get_height (EvView *view)
1362 return GTK_WIDGET (view)->allocation.height;
1366 location_in_selected_text (EvView *view,
1371 gint x_offset = 0, y_offset = 0;
1372 EvViewSelection *selection;
1375 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1376 selection = (EvViewSelection *)l->data;
1378 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1380 if (page != selection->page)
1383 if (selection->covered_region &&
1384 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1392 get_doc_point_from_offset (EvView *view,
1399 gdouble width, height;
1402 get_doc_page_size (view, page, &width, &height);
1404 x_offset = x_offset / view->scale;
1405 y_offset = y_offset / view->scale;
1407 if (view->rotation == 0) {
1410 } else if (view->rotation == 90) {
1412 y = width - x_offset;
1413 } else if (view->rotation == 180) {
1414 x = width - x_offset;
1415 y = height - y_offset;
1416 } else if (view->rotation == 270) {
1417 x = height - y_offset;
1420 g_assert_not_reached ();
1430 get_doc_point_from_location (EvView *view,
1437 gint x_offset = 0, y_offset = 0;
1439 x += view->scroll_x;
1440 y += view->scroll_y;
1441 find_page_at_location (view, x, y, page, &x_offset, &y_offset);
1445 return get_doc_point_from_offset (view, *page, x_offset, y_offset, x_new, y_new);
1449 ev_view_get_area_from_mapping (EvView *view,
1451 GList *mapping_list,
1457 mapping = ev_mapping_list_find (mapping_list, data);
1458 doc_rect_to_view_rect (view, page, &mapping->area, area);
1459 area->x -= view->scroll_x;
1460 area->y -= view->scroll_y;
1466 ev_view_get_link_at_location (EvView *view,
1471 gint x_new = 0, y_new = 0;
1472 GList *link_mapping;
1474 if (!EV_IS_DOCUMENT_LINKS (view->document))
1477 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1480 link_mapping = ev_page_cache_get_link_mapping (view->page_cache, page);
1483 return ev_mapping_list_get_data (link_mapping, x_new, y_new);
1489 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1492 gdouble zoom, left, top;
1493 gboolean change_left, change_top;
1495 left = ev_link_dest_get_left (dest, &change_left);
1496 top = ev_link_dest_get_top (dest, &change_top);
1498 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - left,
1499 ev_link_dest_get_bottom (dest) - top,
1500 ev_view_get_width (view),
1501 ev_view_get_height (view));
1503 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1504 ev_document_model_set_scale (view->model, zoom);
1506 doc_point.x = change_left ? left : 0;
1507 doc_point.y = change_top ? top : 0;
1508 view->pending_point = doc_point;
1510 ev_view_change_page (view, ev_link_dest_get_page (dest));
1514 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1517 gdouble doc_width, doc_height;
1520 gboolean change_left;
1522 page = ev_link_dest_get_page (dest);
1523 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1525 left = ev_link_dest_get_left (dest, &change_left);
1526 doc_point.x = change_left ? left : 0;
1529 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1530 ev_view_get_width (view),
1531 ev_view_get_height (view));
1533 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1534 ev_document_model_set_scale (view->model, zoom);
1536 view->pending_point = doc_point;
1538 ev_view_change_page (view, page);
1542 goto_fith_dest (EvView *view, EvLinkDest *dest)
1545 gdouble doc_width, doc_height;
1548 gboolean change_top;
1550 page = ev_link_dest_get_page (dest);
1551 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1553 top = ev_link_dest_get_top (dest, &change_top);
1556 doc_point.y = change_top ? top : 0;
1558 zoom = zoom_for_size_fit_width (doc_width, top,
1559 ev_view_get_width (view),
1560 ev_view_get_height (view));
1562 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FIT_WIDTH);
1563 ev_document_model_set_scale (view->model, zoom);
1565 view->pending_point = doc_point;
1567 ev_view_change_page (view, page);
1571 goto_fit_dest (EvView *view, EvLinkDest *dest)
1574 gdouble doc_width, doc_height;
1577 page = ev_link_dest_get_page (dest);
1578 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1580 zoom = zoom_for_size_best_fit (doc_width, doc_height,
1581 ev_view_get_width (view),
1582 ev_view_get_height (view));
1584 ev_document_model_set_sizing_mode (view->model, EV_SIZING_BEST_FIT);
1585 ev_document_model_set_scale (view->model, zoom);
1587 ev_view_change_page (view, page);
1591 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1595 gdouble zoom, left, top;
1596 gboolean change_zoom, change_left, change_top;
1598 zoom = ev_link_dest_get_zoom (dest, &change_zoom);
1599 page = ev_link_dest_get_page (dest);
1601 if (change_zoom && zoom > 1) {
1602 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1603 ev_document_model_set_scale (view->model, zoom);
1606 left = ev_link_dest_get_left (dest, &change_left);
1607 top = ev_link_dest_get_top (dest, &change_top);
1609 doc_point.x = change_left ? left : 0;
1610 doc_point.y = change_top ? top : 0;
1611 view->pending_point = doc_point;
1613 ev_view_change_page (view, page);
1617 goto_dest (EvView *view, EvLinkDest *dest)
1619 EvLinkDestType type;
1620 int page, n_pages, current_page;
1622 page = ev_link_dest_get_page (dest);
1623 n_pages = ev_document_get_n_pages (view->document);
1625 if (page < 0 || page >= n_pages)
1628 current_page = view->current_page;
1630 type = ev_link_dest_get_dest_type (dest);
1633 case EV_LINK_DEST_TYPE_PAGE:
1634 ev_document_model_set_page (view->model, page);
1636 case EV_LINK_DEST_TYPE_FIT:
1637 goto_fit_dest (view, dest);
1639 case EV_LINK_DEST_TYPE_FITH:
1640 goto_fith_dest (view, dest);
1642 case EV_LINK_DEST_TYPE_FITV:
1643 goto_fitv_dest (view, dest);
1645 case EV_LINK_DEST_TYPE_FITR:
1646 goto_fitr_dest (view, dest);
1648 case EV_LINK_DEST_TYPE_XYZ:
1649 goto_xyz_dest (view, dest);
1651 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1652 ev_document_model_set_page_by_label (view->model, ev_link_dest_get_page_label (dest));
1655 g_assert_not_reached ();
1658 if (current_page != view->current_page)
1659 ev_document_model_set_page (view->model, view->current_page);
1663 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1665 EvLinkDestType type;
1667 type = ev_link_dest_get_dest_type (dest);
1669 if (type == EV_LINK_DEST_TYPE_NAMED) {
1671 const gchar *named_dest;
1673 named_dest = ev_link_dest_get_named_dest (dest);
1674 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1677 goto_dest (view, dest2);
1678 g_object_unref (dest2);
1684 goto_dest (view, dest);
1688 ev_view_handle_link (EvView *view, EvLink *link)
1690 EvLinkAction *action = NULL;
1691 EvLinkActionType type;
1693 action = ev_link_get_action (link);
1697 type = ev_link_action_get_action_type (action);
1700 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1703 g_signal_emit (view, signals[SIGNAL_HANDLE_LINK], 0, link);
1705 dest = ev_link_action_get_dest (action);
1706 ev_view_goto_dest (view, dest);
1709 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1710 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1711 case EV_LINK_ACTION_TYPE_LAUNCH:
1712 case EV_LINK_ACTION_TYPE_NAMED:
1713 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1719 tip_from_action_named (EvLinkAction *action)
1721 const gchar *name = ev_link_action_get_name (action);
1723 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1724 return g_strdup (_("Go to first page"));
1725 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1726 return g_strdup (_("Go to previous page"));
1727 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1728 return g_strdup (_("Go to next page"));
1729 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1730 return g_strdup (_("Go to last page"));
1731 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1732 return g_strdup (_("Go to page"));
1733 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1734 return g_strdup (_("Find"));
1741 tip_from_link (EvView *view, EvLink *link)
1743 EvLinkAction *action;
1744 EvLinkActionType type;
1749 action = ev_link_get_action (link);
1750 title = ev_link_get_title (link);
1753 return title ? g_strdup (title) : NULL;
1755 type = ev_link_action_get_action_type (action);
1758 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1759 page_label = ev_document_links_get_dest_page_label (EV_DOCUMENT_LINKS (view->document),
1760 ev_link_action_get_dest (action));
1762 msg = g_strdup_printf (_("Go to page %s"), page_label);
1763 g_free (page_label);
1766 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1768 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1769 ev_link_action_get_filename (action));
1771 msg = g_strdup_printf (_("Go to file “%s”"),
1772 ev_link_action_get_filename (action));
1775 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1776 msg = g_strdup (ev_link_action_get_uri (action));
1778 case EV_LINK_ACTION_TYPE_LAUNCH:
1779 msg = g_strdup_printf (_("Launch %s"),
1780 ev_link_action_get_filename (action));
1782 case EV_LINK_ACTION_TYPE_NAMED:
1783 msg = tip_from_action_named (action);
1787 msg = g_strdup (title);
1795 ev_view_handle_cursor_over_xy (EvView *view, gint x, gint y)
1799 EvAnnotation *annot = NULL;
1801 if (view->cursor == EV_VIEW_CURSOR_HIDDEN)
1804 if (view->drag_info.in_drag) {
1805 if (view->cursor != EV_VIEW_CURSOR_DRAG)
1806 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1810 if (view->scroll_info.autoscrolling) {
1811 if (view->cursor != EV_VIEW_CURSOR_AUTOSCROLL)
1812 ev_view_set_cursor (view, EV_VIEW_CURSOR_AUTOSCROLL);
1816 link = ev_view_get_link_at_location (view, x, y);
1818 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1819 } else if ((field = ev_view_get_form_field_at_location (view, x, y))) {
1820 if (field->is_read_only) {
1821 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1822 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1823 view->cursor == EV_VIEW_CURSOR_DRAG)
1824 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1825 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
1826 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1828 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1830 } else if ((annot = ev_view_get_annotation_at_location (view, x, y))) {
1831 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1832 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1833 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1835 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1836 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1837 view->cursor == EV_VIEW_CURSOR_DRAG ||
1838 view->cursor == EV_VIEW_CURSOR_AUTOSCROLL)
1839 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1843 g_object_set (view, "has-tooltip", TRUE, NULL);
1848 ev_view_get_image_at_location (EvView *view,
1853 gint x_new = 0, y_new = 0;
1854 GList *image_mapping;
1856 if (!EV_IS_DOCUMENT_IMAGES (view->document))
1859 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1862 image_mapping = ev_page_cache_get_image_mapping (view->page_cache, page);
1865 return ev_mapping_list_get_data (image_mapping, x_new, y_new);
1871 static EvFormField *
1872 ev_view_get_form_field_at_location (EvView *view,
1877 gint x_new = 0, y_new = 0;
1878 GList *forms_mapping;
1880 if (!EV_IS_DOCUMENT_FORMS (view->document))
1883 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1886 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache, page);
1889 return ev_mapping_list_get_data (forms_mapping, x_new, y_new);
1895 ev_view_form_field_get_region (EvView *view,
1898 GdkRectangle view_area;
1899 GList *forms_mapping;
1901 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
1902 field->page->index);
1903 ev_view_get_area_from_mapping (view, field->page->index,
1907 return gdk_region_rectangle (&view_area);
1911 ev_view_forms_remove_widgets (EvView *view)
1913 ev_view_remove_all (view);
1919 ev_view_form_field_destroy (GtkWidget *widget,
1922 g_idle_add ((GSourceFunc)ev_view_forms_remove_widgets, view);
1926 ev_view_form_field_button_create_widget (EvView *view,
1929 EvFormFieldButton *field_button = EV_FORM_FIELD_BUTTON (field);
1930 GdkRegion *field_region = NULL;
1932 switch (field_button->type) {
1933 case EV_FORM_FIELD_BUTTON_PUSH:
1935 case EV_FORM_FIELD_BUTTON_CHECK:
1936 case EV_FORM_FIELD_BUTTON_RADIO: {
1938 GList *forms_mapping, *l;
1940 state = ev_document_forms_form_field_button_get_state (EV_DOCUMENT_FORMS (view->document),
1943 /* FIXME: it actually depends on NoToggleToOff flags */
1944 if (field_button->type == EV_FORM_FIELD_BUTTON_RADIO &&
1945 state && field_button->state)
1948 field_region = ev_view_form_field_get_region (view, field);
1950 /* For radio buttons and checkbox buttons that are in a set
1951 * we need to update also the region for the current selected item
1953 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
1954 field->page->index);
1955 for (l = forms_mapping; l; l = g_list_next (l)) {
1956 EvFormField *button = ((EvMapping *)(l->data))->data;
1957 GdkRegion *button_region;
1959 if (button->id == field->id)
1962 /* FIXME: only buttons in the same group should be updated */
1963 if (!EV_IS_FORM_FIELD_BUTTON (button) ||
1964 EV_FORM_FIELD_BUTTON (button)->type != field_button->type ||
1965 EV_FORM_FIELD_BUTTON (button)->state != TRUE)
1968 button_region = ev_view_form_field_get_region (view, button);
1969 gdk_region_union (field_region, button_region);
1970 gdk_region_destroy (button_region);
1973 ev_document_forms_form_field_button_set_state (EV_DOCUMENT_FORMS (view->document),
1975 field_button->state = !state;
1980 ev_view_reload_page (view, field->page->index, field_region);
1981 gdk_region_destroy (field_region);
1987 ev_view_form_field_text_save (EvView *view,
1992 if (!view->document)
1995 field = g_object_get_data (G_OBJECT (widget), "form-field");
1997 if (field->changed) {
1998 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1999 GdkRegion *field_region;
2001 field_region = ev_view_form_field_get_region (view, field);
2003 ev_document_forms_form_field_text_set_text (EV_DOCUMENT_FORMS (view->document),
2004 field, field_text->text);
2005 field->changed = FALSE;
2006 ev_view_reload_page (view, field->page->index, field_region);
2007 gdk_region_destroy (field_region);
2012 ev_view_form_field_text_changed (GtkWidget *widget,
2015 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2018 if (GTK_IS_ENTRY (widget)) {
2019 text = g_strdup (gtk_entry_get_text (GTK_ENTRY (widget)));
2020 } else if (GTK_IS_TEXT_BUFFER (widget)) {
2021 GtkTextIter start, end;
2023 gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (widget), &start, &end);
2024 text = gtk_text_buffer_get_text (GTK_TEXT_BUFFER (widget),
2025 &start, &end, FALSE);
2028 if (!field_text->text ||
2029 (field_text->text && g_ascii_strcasecmp (field_text->text, text) != 0)) {
2030 g_free (field_text->text);
2031 field_text->text = text;
2032 field->changed = TRUE;
2037 ev_view_form_field_text_create_widget (EvView *view,
2040 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2041 GtkWidget *text = NULL;
2044 txt = ev_document_forms_form_field_text_get_text (EV_DOCUMENT_FORMS (view->document),
2047 switch (field_text->type) {
2048 case EV_FORM_FIELD_TEXT_FILE_SELECT:
2050 case EV_FORM_FIELD_TEXT_NORMAL:
2051 text = gtk_entry_new ();
2052 gtk_entry_set_has_frame (GTK_ENTRY (text), FALSE);
2053 gtk_entry_set_max_length (GTK_ENTRY (text), field_text->max_len);
2054 gtk_entry_set_visibility (GTK_ENTRY (text), !field_text->is_password);
2057 gtk_entry_set_text (GTK_ENTRY (text), txt);
2061 g_signal_connect (text, "changed",
2062 G_CALLBACK (ev_view_form_field_text_changed),
2064 g_signal_connect_after (text, "activate",
2065 G_CALLBACK (ev_view_form_field_destroy),
2068 case EV_FORM_FIELD_TEXT_MULTILINE: {
2069 GtkTextBuffer *buffer;
2071 text = gtk_text_view_new ();
2072 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text));
2075 gtk_text_buffer_set_text (buffer, txt, -1);
2079 g_signal_connect (buffer, "changed",
2080 G_CALLBACK (ev_view_form_field_text_changed),
2086 g_object_weak_ref (G_OBJECT (text),
2087 (GWeakNotify)ev_view_form_field_text_save,
2094 ev_view_form_field_choice_save (EvView *view,
2099 if (!view->document)
2102 field = g_object_get_data (G_OBJECT (widget), "form-field");
2104 if (field->changed) {
2106 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2107 GdkRegion *field_region;
2109 field_region = ev_view_form_field_get_region (view, field);
2111 if (field_choice->is_editable) {
2112 ev_document_forms_form_field_choice_set_text (EV_DOCUMENT_FORMS (view->document),
2113 field, field_choice->text);
2115 ev_document_forms_form_field_choice_unselect_all (EV_DOCUMENT_FORMS (view->document), field);
2116 for (l = field_choice->selected_items; l; l = g_list_next (l)) {
2117 ev_document_forms_form_field_choice_select_item (EV_DOCUMENT_FORMS (view->document),
2119 GPOINTER_TO_INT (l->data));
2122 field->changed = FALSE;
2123 ev_view_reload_page (view, field->page->index, field_region);
2124 gdk_region_destroy (field_region);
2129 ev_view_form_field_choice_changed (GtkWidget *widget,
2132 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2134 if (GTK_IS_COMBO_BOX (widget)) {
2137 item = gtk_combo_box_get_active (GTK_COMBO_BOX (widget));
2138 if (!field_choice->selected_items ||
2139 GPOINTER_TO_INT (field_choice->selected_items->data) != item) {
2140 g_list_free (field_choice->selected_items);
2141 field_choice->selected_items = NULL;
2142 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2143 GINT_TO_POINTER (item));
2144 field->changed = TRUE;
2147 if (GTK_IS_COMBO_BOX_ENTRY (widget)) {
2150 text = gtk_combo_box_get_active_text (GTK_COMBO_BOX (widget));
2151 if (!field_choice->text ||
2152 (field_choice->text && g_ascii_strcasecmp (field_choice->text, text) != 0)) {
2153 g_free (field_choice->text);
2154 field_choice->text = text;
2155 field->changed = TRUE;
2158 } else if (GTK_IS_TREE_SELECTION (widget)) {
2159 GtkTreeSelection *selection = GTK_TREE_SELECTION (widget);
2160 GtkTreeModel *model;
2163 items = gtk_tree_selection_get_selected_rows (selection, &model);
2164 g_list_free (field_choice->selected_items);
2165 field_choice->selected_items = NULL;
2167 for (l = items; l && l->data; l = g_list_next (l)) {
2169 GtkTreePath *path = (GtkTreePath *)l->data;
2172 gtk_tree_model_get_iter (model, &iter, path);
2173 gtk_tree_model_get (model, &iter, 1, &item, -1);
2175 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2176 GINT_TO_POINTER (item));
2178 gtk_tree_path_free (path);
2181 g_list_free (items);
2183 field->changed = TRUE;
2188 ev_view_form_field_choice_create_widget (EvView *view,
2191 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2193 GtkTreeModel *model;
2195 gint selected_item = 0;
2197 n_items = ev_document_forms_form_field_choice_get_n_items (EV_DOCUMENT_FORMS (view->document),
2199 model = GTK_TREE_MODEL (gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT));
2200 for (i = 0; i < n_items; i++) {
2204 item = ev_document_forms_form_field_choice_get_item (EV_DOCUMENT_FORMS (view->document),
2206 if (ev_document_forms_form_field_choice_is_item_selected (
2207 EV_DOCUMENT_FORMS (view->document), field, i)) {
2209 /* FIXME: we need a get_selected_items function in poppler */
2210 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2211 GINT_TO_POINTER (i));
2215 gtk_list_store_append (GTK_LIST_STORE (model), &iter);
2216 gtk_list_store_set (GTK_LIST_STORE (model), &iter,
2224 if (field_choice->type == EV_FORM_FIELD_CHOICE_LIST) {
2225 GtkCellRenderer *renderer;
2226 GtkWidget *tree_view;
2227 GtkTreeSelection *selection;
2229 tree_view = gtk_tree_view_new_with_model (model);
2230 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);
2232 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
2233 if (field_choice->multi_select) {
2234 gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
2237 /* TODO: set selected items */
2239 renderer = gtk_cell_renderer_text_new ();
2240 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
2246 choice = gtk_scrolled_window_new (NULL, NULL);
2247 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (choice),
2248 GTK_POLICY_AUTOMATIC,
2249 GTK_POLICY_AUTOMATIC);
2250 gtk_container_add (GTK_CONTAINER (choice), tree_view);
2251 gtk_widget_show (tree_view);
2253 g_signal_connect (selection, "changed",
2254 G_CALLBACK (ev_view_form_field_choice_changed),
2256 g_signal_connect_after (selection, "changed",
2257 G_CALLBACK (ev_view_form_field_destroy),
2259 } else if (field_choice->is_editable) { /* ComboBoxEntry */
2262 choice = gtk_combo_box_entry_new_with_model (model, 0);
2263 text = ev_document_forms_form_field_choice_get_text (EV_DOCUMENT_FORMS (view->document), field);
2265 gtk_entry_set_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (choice))), text);
2269 g_signal_connect (choice, "changed",
2270 G_CALLBACK (ev_view_form_field_choice_changed),
2272 g_signal_connect_after (GTK_BIN(choice)->child, "activate",
2273 G_CALLBACK (ev_view_form_field_destroy),
2275 } else { /* ComboBoxText */
2276 GtkCellRenderer *renderer;
2278 choice = gtk_combo_box_new_with_model (model);
2279 renderer = gtk_cell_renderer_text_new ();
2280 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (choice),
2282 gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (choice),
2286 gtk_combo_box_set_active (GTK_COMBO_BOX (choice), selected_item);
2287 gtk_combo_box_popup (GTK_COMBO_BOX (choice));
2289 g_signal_connect (choice, "changed",
2290 G_CALLBACK (ev_view_form_field_choice_changed),
2292 g_signal_connect_after (choice, "changed",
2293 G_CALLBACK (ev_view_form_field_destroy),
2297 g_object_unref (model);
2299 g_object_weak_ref (G_OBJECT (choice),
2300 (GWeakNotify)ev_view_form_field_choice_save,
2307 ev_view_handle_form_field (EvView *view,
2312 GtkWidget *field_widget = NULL;
2313 GList *form_field_mapping;
2314 GdkRectangle view_area;
2316 if (field->is_read_only)
2319 if (EV_IS_FORM_FIELD_BUTTON (field)) {
2320 field_widget = ev_view_form_field_button_create_widget (view, field);
2321 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
2322 field_widget = ev_view_form_field_text_create_widget (view, field);
2323 } else if (EV_IS_FORM_FIELD_CHOICE (field)) {
2324 field_widget = ev_view_form_field_choice_create_widget (view, field);
2325 } else if (EV_IS_FORM_FIELD_SIGNATURE (field)) {
2329 /* Form field doesn't require a widget */
2333 g_object_set_data_full (G_OBJECT (field_widget), "form-field",
2334 g_object_ref (field),
2335 (GDestroyNotify)g_object_unref);
2337 form_field_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
2338 field->page->index);
2339 ev_view_get_area_from_mapping (view, field->page->index,
2343 gtk_layout_put (GTK_LAYOUT (view), field_widget, view_area.x, view_area.y);
2344 gtk_widget_show (field_widget);
2345 gtk_widget_grab_focus (field_widget);
2349 static EvViewWindowChild *
2350 ev_view_get_window_child (EvView *view,
2353 GList *children = view->window_children;
2356 EvViewWindowChild *child;
2358 child = (EvViewWindowChild *)children->data;
2359 children = children->next;
2361 if (child->window == window)
2369 ev_view_window_child_move (EvView *view,
2370 EvViewWindowChild *child,
2376 gtk_window_move (GTK_WINDOW (child->window),
2377 MAX (child->parent_x, x),
2378 MAX (child->parent_y, y));
2382 ev_view_window_child_move_with_parent (EvView *view,
2385 EvViewWindowChild *child;
2386 gint root_x, root_y;
2388 child = ev_view_get_window_child (view, window);
2389 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2391 if (root_x != child->parent_x || root_y != child->parent_y) {
2392 gint dest_x, dest_y;
2394 dest_x = child->x + (root_x - child->parent_x);
2395 dest_y = child->y + (root_y - child->parent_y);
2396 child->parent_x = root_x;
2397 child->parent_y = root_y;
2398 ev_view_window_child_move (view, child, dest_x, dest_y);
2401 if (child->visible && !GTK_WIDGET_VISIBLE (window))
2402 gtk_widget_show (window);
2406 ev_view_window_child_put (EvView *view,
2414 EvViewWindowChild *child;
2415 gint root_x, root_y;
2417 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2420 child = g_new0 (EvViewWindowChild, 1);
2421 child->window = window;
2423 child->orig_x = orig_x;
2424 child->orig_y = orig_y;
2425 child->parent_x = root_x;
2426 child->parent_y = root_y;
2427 child->visible = ev_annotation_window_is_open (EV_ANNOTATION_WINDOW (window));
2428 ev_view_window_child_move (view, child, x + root_x, y + root_y);
2431 gtk_widget_show (window);
2433 gtk_widget_hide (window);
2435 view->window_children = g_list_append (view->window_children, child);
2438 static EvViewWindowChild *
2439 ev_view_find_window_child_for_annot (EvView *view,
2441 EvAnnotation *annot)
2443 GList *children = view->window_children;
2446 EvViewWindowChild *child;
2447 EvAnnotation *wannot;
2449 child = (EvViewWindowChild *)children->data;
2450 children = children->next;
2452 if (child->page != page)
2455 wannot = ev_annotation_window_get_annotation (EV_ANNOTATION_WINDOW (child->window));
2456 if (wannot == annot || strcmp (wannot->name, annot->name) == 0)
2464 ev_view_window_children_free (EvView *view)
2468 if (!view->window_children)
2471 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
2472 EvViewWindowChild *child;
2474 child = (EvViewWindowChild *)l->data;
2475 gtk_widget_destroy (GTK_WIDGET (child->window));
2478 g_list_free (view->window_children);
2479 view->window_children = NULL;
2480 view->window_child_focus = NULL;
2484 annotation_window_grab_focus (GtkWidget *widget,
2487 if (view->window_child_focus)
2488 ev_annotation_window_ungrab_focus (EV_ANNOTATION_WINDOW (view->window_child_focus->window));
2489 view->window_child_focus = ev_view_get_window_child (view, widget);
2493 annotation_window_closed (EvAnnotationWindow *window,
2496 EvViewWindowChild *child;
2498 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2499 child->visible = FALSE;
2503 annotation_window_moved (EvAnnotationWindow *window,
2508 EvViewWindowChild *child;
2509 GdkRectangle page_area;
2511 GdkRectangle view_rect;
2512 EvRectangle doc_rect;
2515 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2516 if (child->x == x && child->y == y)
2519 child->moved = TRUE;
2523 /* Window has been moved by the user,
2524 * we have to set a new origin in doc coords
2526 gtk_window_get_size (GTK_WINDOW (window), &width, &height);
2527 view_rect.x = (x - child->parent_x) + view->scroll_x;
2528 view_rect.y = (y - child->parent_y) + view->scroll_y;
2529 view_rect.width = width;
2530 view_rect.height = height;
2532 get_page_extents (view, child->page, &page_area, &border);
2533 view_rect_to_doc_rect (view, &view_rect, &page_area, &doc_rect);
2534 child->orig_x = doc_rect.x1;
2535 child->orig_y = doc_rect.y1;
2539 ev_view_annotation_save (EvView *view,
2540 EvAnnotation *annot)
2542 if (!view->document)
2545 if (!annot->changed)
2548 ev_document_annotations_annotation_set_contents (EV_DOCUMENT_ANNOTATIONS (view->document),
2549 annot, annot->contents);
2550 annot->changed = FALSE;
2554 show_annotation_windows (EvView *view,
2560 parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
2562 annots = ev_page_cache_get_annot_mapping (view->page_cache, page);
2564 for (l = annots; l && l->data; l = g_list_next (l)) {
2565 EvAnnotation *annot;
2566 EvViewWindowChild *child;
2568 EvRectangle *doc_rect;
2569 GdkRectangle view_rect;
2571 annot = ((EvMapping *)(l->data))->data;
2573 if (!EV_IS_ANNOTATION_MARKUP (annot))
2576 if (!ev_annotation_markup_has_popup (EV_ANNOTATION_MARKUP (annot)))
2579 window = g_object_get_data (G_OBJECT (annot), "popup");
2581 ev_view_window_child_move_with_parent (view, window);
2585 /* Look if we already have a popup for this annot */
2586 child = ev_view_find_window_child_for_annot (view, page, annot);
2587 window = child ? child->window : NULL;
2589 ev_annotation_window_set_annotation (EV_ANNOTATION_WINDOW (window), annot);
2590 g_object_set_data (G_OBJECT (annot), "popup", window);
2591 ev_view_window_child_move_with_parent (view, window);
2593 window = ev_annotation_window_new (annot, parent);
2594 g_signal_connect (window, "grab_focus",
2595 G_CALLBACK (annotation_window_grab_focus),
2597 g_signal_connect (window, "closed",
2598 G_CALLBACK (annotation_window_closed),
2600 g_signal_connect (window, "moved",
2601 G_CALLBACK (annotation_window_moved),
2603 g_object_set_data (G_OBJECT (annot), "popup", window);
2605 doc_rect = (EvRectangle *)ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (window));
2606 doc_rect_to_view_rect (view, page, doc_rect, &view_rect);
2607 view_rect.x -= view->scroll_x;
2608 view_rect.y -= view->scroll_y;
2610 ev_view_window_child_put (view, window, page,
2611 view_rect.x, view_rect.y,
2612 doc_rect->x1, doc_rect->y1);
2614 g_object_weak_ref (G_OBJECT (annot),
2615 (GWeakNotify)ev_view_annotation_save,
2622 hide_annotation_windows (EvView *view,
2627 annots = ev_page_cache_get_annot_mapping (view->page_cache, page);
2629 for (l = annots; l && l->data; l = g_list_next (l)) {
2630 EvAnnotation *annot;
2633 annot = ((EvMapping *)(l->data))->data;
2635 if (!EV_IS_ANNOTATION_MARKUP (annot))
2638 window = g_object_get_data (G_OBJECT (annot), "popup");
2640 gtk_widget_hide (window);
2644 static EvAnnotation *
2645 ev_view_get_annotation_at_location (EvView *view,
2650 gint x_new = 0, y_new = 0;
2651 GList *annotations_mapping;
2653 if (!EV_IS_DOCUMENT_ANNOTATIONS (view->document))
2656 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
2659 annotations_mapping = ev_page_cache_get_annot_mapping (view->page_cache, page);
2661 if (annotations_mapping)
2662 return ev_mapping_list_get_data (annotations_mapping, x_new, y_new);
2668 ev_view_handle_annotation (EvView *view,
2669 EvAnnotation *annot,
2674 if (EV_IS_ANNOTATION_MARKUP (annot)) {
2677 window = g_object_get_data (G_OBJECT (annot), "popup");
2679 EvViewWindowChild *child;
2681 child = ev_view_get_window_child (view, window);
2682 if (!child->visible) {
2683 child->visible = TRUE;
2684 ev_view_window_child_move (view, child, child->x, child->y);
2685 gtk_widget_show (window);
2690 if (EV_IS_ANNOTATION_ATTACHMENT (annot)) {
2691 EvAttachment *attachment = EV_ANNOTATION_ATTACHMENT (annot)->attachment;
2694 GError *error = NULL;
2696 ev_attachment_open (attachment,
2697 gtk_widget_get_screen (GTK_WIDGET (view)),
2702 g_warning ("%s", error->message);
2703 g_error_free (error);
2709 /*** GtkWidget implementation ***/
2712 ev_view_size_request_continuous_dual_page (EvView *view,
2713 GtkRequisition *requisition)
2717 n_pages = ev_document_get_n_pages (view->document) + 1;
2718 get_page_y_offset (view, n_pages, &requisition->height);
2720 switch (view->sizing_mode) {
2721 case EV_SIZING_FIT_WIDTH:
2722 case EV_SIZING_BEST_FIT:
2723 requisition->width = 1;
2726 case EV_SIZING_FREE: {
2730 ev_view_get_max_page_size (view, &max_width, NULL);
2731 compute_border (view, max_width, max_width, &border);
2732 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
2736 g_assert_not_reached ();
2741 ev_view_size_request_continuous (EvView *view,
2742 GtkRequisition *requisition)
2746 n_pages = ev_document_get_n_pages (view->document);
2747 get_page_y_offset (view, n_pages, &requisition->height);
2749 switch (view->sizing_mode) {
2750 case EV_SIZING_FIT_WIDTH:
2751 case EV_SIZING_BEST_FIT:
2752 requisition->width = 1;
2755 case EV_SIZING_FREE: {
2759 ev_view_get_max_page_size (view, &max_width, NULL);
2760 compute_border (view, max_width, max_width, &border);
2761 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
2765 g_assert_not_reached ();
2770 ev_view_size_request_dual_page (EvView *view,
2771 GtkRequisition *requisition)
2776 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2777 requisition->width = 1;
2778 requisition->height = 1;
2783 /* Find the largest of the two. */
2784 ev_view_get_page_size (view,
2787 if (view->current_page + 1 < ev_document_get_n_pages (view->document)) {
2788 gint width_2, height_2;
2789 ev_view_get_page_size (view,
2790 view->current_page + 1,
2791 &width_2, &height_2);
2792 if (width_2 > width) {
2797 compute_border (view, width, height, &border);
2799 requisition->width = view->sizing_mode == EV_SIZING_FIT_WIDTH ? 1 :
2800 ((width + border.left + border.right) * 2) + (view->spacing * 3);
2801 requisition->height = (height + border.top + border.bottom) + (view->spacing * 2);
2805 ev_view_size_request_single_page (EvView *view,
2806 GtkRequisition *requisition)
2811 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2812 requisition->width = 1;
2813 requisition->height = 1;
2818 ev_view_get_page_size (view, view->current_page, &width, &height);
2819 compute_border (view, width, height, &border);
2821 requisition->width = view->sizing_mode == EV_SIZING_FIT_WIDTH ? 1 :
2822 width + border.left + border.right + (2 * view->spacing);
2823 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2827 ev_view_size_request (GtkWidget *widget,
2828 GtkRequisition *requisition)
2830 EvView *view = EV_VIEW (widget);
2832 if (view->document == NULL) {
2833 requisition->width = 1;
2834 requisition->height = 1;
2838 if (view->continuous && view->dual_page)
2839 ev_view_size_request_continuous_dual_page (view, requisition);
2840 else if (view->continuous)
2841 ev_view_size_request_continuous (view, requisition);
2842 else if (view->dual_page)
2843 ev_view_size_request_dual_page (view, requisition);
2845 ev_view_size_request_single_page (view, requisition);
2849 ev_view_size_allocate (GtkWidget *widget,
2850 GtkAllocation *allocation)
2852 EvView *view = EV_VIEW (widget);
2853 GList *children, *l;
2854 gint root_x, root_y;
2856 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
2858 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2859 view->sizing_mode == EV_SIZING_BEST_FIT) {
2860 ev_view_zoom_for_size (view,
2862 allocation->height);
2863 ev_view_size_request (widget, &widget->requisition);
2866 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
2867 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
2870 view_update_range_and_current_page (view);
2872 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2873 view->pending_resize = FALSE;
2874 view->pending_point.x = 0;
2875 view->pending_point.y = 0;
2877 children = gtk_container_get_children (GTK_CONTAINER (widget));
2878 for (l = children; l && l->data; l = g_list_next (l)) {
2880 GdkRectangle view_area;
2881 GList *form_field_mapping;
2882 GtkAllocation child_allocation;
2883 GtkRequisition child_requisition;
2884 GtkWidget *child = (GtkWidget *)l->data;
2886 field = g_object_get_data (G_OBJECT (child), "form-field");
2890 form_field_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
2891 field->page->index);
2892 ev_view_get_area_from_mapping (view, field->page->index,
2896 gtk_widget_size_request (child, &child_requisition);
2897 if (child_requisition.width != view_area.width ||
2898 child_requisition.height != view_area.height)
2899 gtk_widget_set_size_request (child, view_area.width, view_area.height);
2901 gtk_container_child_get (GTK_CONTAINER (widget),
2903 "x", &child_allocation.x,
2904 "y", &child_allocation.y,
2906 if (child_allocation.x != view_area.x ||
2907 child_allocation.y != view_area.y) {
2908 gtk_layout_move (GTK_LAYOUT (widget), child, view_area.x, view_area.y);
2911 g_list_free (children);
2913 if (view->window_children)
2914 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2917 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
2918 EvViewWindowChild *child;
2919 EvRectangle doc_rect;
2920 GdkRectangle view_rect;
2922 child = (EvViewWindowChild *)l->data;
2924 doc_rect = *ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (child->window));
2926 doc_rect.x1 = child->orig_x;
2927 doc_rect.y1 = child->orig_y;
2929 doc_rect_to_view_rect (view, child->page, &doc_rect, &view_rect);
2930 view_rect.x -= view->scroll_x;
2931 view_rect.y -= view->scroll_y;
2933 if (view_rect.x != child->orig_x || view_rect.y != child->orig_y) {
2934 child->parent_x = root_x;
2935 child->parent_y = root_y;
2936 ev_view_window_child_move (view, child, view_rect.x + root_x, view_rect.y + root_y);
2942 ev_view_realize (GtkWidget *widget)
2944 EvView *view = EV_VIEW (widget);
2946 if (GTK_WIDGET_CLASS (ev_view_parent_class)->realize)
2947 (* GTK_WIDGET_CLASS (ev_view_parent_class)->realize) (widget);
2949 gdk_window_set_events (view->layout.bin_window,
2950 (gdk_window_get_events (view->layout.bin_window) |
2952 GDK_BUTTON_PRESS_MASK |
2953 GDK_BUTTON_RELEASE_MASK |
2955 GDK_KEY_PRESS_MASK |
2956 GDK_POINTER_MOTION_MASK |
2957 GDK_POINTER_MOTION_HINT_MASK |
2958 GDK_ENTER_NOTIFY_MASK |
2959 GDK_LEAVE_NOTIFY_MASK));
2961 gdk_window_set_background (view->layout.bin_window, &widget->style->mid [GTK_STATE_NORMAL]);
2963 on_adjustment_value_changed (NULL, view);
2967 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
2969 EvView *view = EV_VIEW (widget);
2972 state = event->state & gtk_accelerator_get_default_mod_mask ();
2974 if (state == GDK_CONTROL_MASK) {
2975 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
2976 if (event->direction == GDK_SCROLL_UP ||
2977 event->direction == GDK_SCROLL_LEFT) {
2978 if (ev_view_can_zoom_in (view)) {
2979 ev_view_zoom_in (view);
2982 if (ev_view_can_zoom_out (view)) {
2983 ev_view_zoom_out (view);
2990 view->jump_to_find_result = FALSE;
2992 /* Shift+Wheel scrolls the in the perpendicular direction */
2993 if (state & GDK_SHIFT_MASK) {
2994 if (event->direction == GDK_SCROLL_UP)
2995 event->direction = GDK_SCROLL_LEFT;
2996 else if (event->direction == GDK_SCROLL_LEFT)
2997 event->direction = GDK_SCROLL_UP;
2998 else if (event->direction == GDK_SCROLL_DOWN)
2999 event->direction = GDK_SCROLL_RIGHT;
3000 else if (event->direction == GDK_SCROLL_RIGHT)
3001 event->direction = GDK_SCROLL_DOWN;
3003 event->state &= ~GDK_SHIFT_MASK;
3004 state &= ~GDK_SHIFT_MASK;
3007 if (state == 0 && view->sizing_mode == EV_SIZING_BEST_FIT && !view->continuous) {
3008 switch (event->direction) {
3009 case GDK_SCROLL_DOWN:
3010 case GDK_SCROLL_RIGHT:
3011 ev_view_next_page (view);
3014 case GDK_SCROLL_LEFT:
3015 ev_view_previous_page (view);
3025 static EvViewSelection *
3026 find_selection_for_page (EvView *view,
3031 for (list = view->selection_info.selections; list != NULL; list = list->next) {
3032 EvViewSelection *selection;
3034 selection = (EvViewSelection *) list->data;
3036 if (selection->page == page)
3044 ev_view_expose_event (GtkWidget *widget,
3045 GdkEventExpose *event)
3047 EvView *view = EV_VIEW (widget);
3051 if (view->loading) {
3052 GdkRectangle area = {0};
3054 area.width = widget->allocation.width;
3055 area.height = widget->allocation.height;
3057 draw_loading_text (view,
3062 if (view->document == NULL)
3065 cr = gdk_cairo_create (view->layout.bin_window);
3067 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
3068 GdkRectangle page_area;
3070 gboolean page_ready = TRUE;
3072 if (!get_page_extents (view, i, &page_area, &border))
3075 page_area.x -= view->scroll_x;
3076 page_area.y -= view->scroll_y;
3078 draw_one_page (view, i, cr, &page_area, &border, &(event->area), &page_ready);
3080 if (page_ready && view->find_pages && view->highlight_find_results)
3081 highlight_find_results (view, i);
3082 if (page_ready && EV_IS_DOCUMENT_ANNOTATIONS (view->document))
3083 show_annotation_windows (view, i);
3088 if (GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event)
3089 (* GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) (widget, event);
3095 ev_view_do_popup_menu (EvView *view,
3101 EvAnnotation *annot;
3103 image = ev_view_get_image_at_location (view, x, y);
3105 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, image);
3109 link = ev_view_get_link_at_location (view, x, y);
3111 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
3115 annot = ev_view_get_annotation_at_location (view, x, y);
3117 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, annot);
3121 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, NULL);
3127 ev_view_popup_menu (GtkWidget *widget)
3131 gtk_widget_get_pointer (widget, &x, &y);
3132 return ev_view_do_popup_menu (EV_VIEW (widget), x, y);
3136 get_link_area (EvView *view,
3142 GList *link_mapping;
3144 gint x_offset = 0, y_offset = 0;
3146 x += view->scroll_x;
3147 y += view->scroll_y;
3149 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3151 link_mapping = ev_page_cache_get_link_mapping (view->page_cache, page);
3152 ev_view_get_area_from_mapping (view, page,
3158 get_annot_area (EvView *view,
3161 EvAnnotation *annot,
3164 GList *annot_mapping;
3166 gint x_offset = 0, y_offset = 0;
3168 x += view->scroll_x;
3169 y += view->scroll_y;
3171 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3173 annot_mapping = ev_page_cache_get_annot_mapping (view->page_cache, page);
3174 ev_view_get_area_from_mapping (view, page,
3180 ev_view_query_tooltip (GtkWidget *widget,
3183 gboolean keyboard_tip,
3184 GtkTooltip *tooltip)
3186 EvView *view = EV_VIEW (widget);
3188 EvAnnotation *annot;
3191 annot = ev_view_get_annotation_at_location (view, x, y);
3192 if (annot && annot->contents) {
3193 GdkRectangle annot_area;
3195 get_annot_area (view, x, y, annot, &annot_area);
3196 gtk_tooltip_set_text (tooltip, annot->contents);
3197 gtk_tooltip_set_tip_area (tooltip, &annot_area);
3202 link = ev_view_get_link_at_location (view, x, y);
3206 text = tip_from_link (view, link);
3207 if (text && g_utf8_validate (text, -1, NULL)) {
3208 GdkRectangle link_area;
3210 get_link_area (view, x, y, link, &link_area);
3211 gtk_tooltip_set_text (tooltip, text);
3212 gtk_tooltip_set_tip_area (tooltip, &link_area);
3220 start_selection_for_event (EvView *view,
3221 GdkEventButton *event)
3223 clear_selection (view);
3225 view->selection_info.start.x = event->x + view->scroll_x;
3226 view->selection_info.start.y = event->y + view->scroll_y;
3228 switch (event->type) {
3229 case GDK_2BUTTON_PRESS:
3230 view->selection_info.style = EV_SELECTION_STYLE_WORD;
3232 case GDK_3BUTTON_PRESS:
3233 view->selection_info.style = EV_SELECTION_STYLE_LINE;
3236 view->selection_info.style = EV_SELECTION_STYLE_GLYPH;
3240 /* In case of WORD or LINE, compute selections now */
3241 compute_selections (view,
3242 view->selection_info.style,
3243 &(view->selection_info.start),
3244 &(view->selection_info.start));
3248 ev_view_button_press_event (GtkWidget *widget,
3249 GdkEventButton *event)
3251 EvView *view = EV_VIEW (widget);
3253 if (!view->document)
3256 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
3257 gtk_widget_grab_focus (widget);
3260 if (view->window_child_focus) {
3261 EvAnnotationWindow *window;
3262 EvAnnotation *annot;
3264 window = EV_ANNOTATION_WINDOW (view->window_child_focus->window);
3265 annot = ev_annotation_window_get_annotation (window);
3266 ev_annotation_window_ungrab_focus (window);
3267 ev_view_annotation_save (view, annot);
3268 view->window_child_focus = NULL;
3271 view->pressed_button = event->button;
3272 view->selection_info.in_drag = FALSE;
3274 if (view->scroll_info.autoscrolling)
3277 switch (event->button) {
3280 EvAnnotation *annot;
3283 if (EV_IS_SELECTION (view->document) && view->selection_info.selections) {
3284 if (event->type == GDK_3BUTTON_PRESS) {
3285 start_selection_for_event (view, event);
3286 } else if (location_in_selected_text (view,
3287 event->x + view->scroll_x,
3288 event->y + view->scroll_y)) {
3289 view->selection_info.in_drag = TRUE;
3291 start_selection_for_event (view, event);
3294 gtk_widget_queue_draw (widget);
3295 } else if ((annot = ev_view_get_annotation_at_location (view, event->x, event->y))) {
3296 ev_view_handle_annotation (view, annot, event->x, event->y, event->time);
3297 } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) {
3298 ev_view_remove_all (view);
3299 ev_view_handle_form_field (view, field, event->x, event->y);
3300 } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) &&
3301 (image = ev_view_get_image_at_location (view, event->x, event->y))) {
3302 if (view->image_dnd_info.image)
3303 g_object_unref (view->image_dnd_info.image);
3304 view->image_dnd_info.image = g_object_ref (image);
3305 view->image_dnd_info.in_drag = TRUE;
3307 view->image_dnd_info.start.x = event->x + view->scroll_x;
3308 view->image_dnd_info.start.y = event->y + view->scroll_y;
3310 ev_view_remove_all (view);
3312 if (EV_IS_SELECTION (view->document))
3313 start_selection_for_event (view, event);
3318 /* use root coordinates as reference point because
3319 * scrolling changes window relative coordinates */
3320 view->drag_info.start.x = event->x_root;
3321 view->drag_info.start.y = event->y_root;
3322 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
3323 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
3325 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
3329 view->scroll_info.start_y = event->y;
3330 return ev_view_do_popup_menu (view, event->x, event->y);
3337 ev_view_remove_all (EvView *view)
3339 GList *children, *child;
3341 children = gtk_container_get_children (GTK_CONTAINER (view));
3342 for (child = children; child && child->data; child = g_list_next (child)) {
3343 gtk_container_remove (GTK_CONTAINER (view),
3344 GTK_WIDGET (child->data));
3346 g_list_free (children);
3349 /*** Drag and Drop ***/
3351 ev_view_drag_data_get (GtkWidget *widget,
3352 GdkDragContext *context,
3353 GtkSelectionData *selection_data,
3357 EvView *view = EV_VIEW (widget);
3360 case TARGET_DND_TEXT:
3361 if (EV_IS_SELECTION (view->document) &&
3362 view->selection_info.selections) {
3365 text = get_selected_text (view);
3366 gtk_selection_data_set_text (selection_data,
3372 case TARGET_DND_IMAGE:
3373 if (view->image_dnd_info.image) {
3376 ev_document_doc_mutex_lock ();
3377 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3378 view->image_dnd_info.image);
3379 ev_document_doc_mutex_unlock ();
3381 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
3382 g_object_unref (pixbuf);
3385 case TARGET_DND_URI:
3386 if (view->image_dnd_info.image) {
3388 const gchar *tmp_uri;
3391 ev_document_doc_mutex_lock ();
3392 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3393 view->image_dnd_info.image);
3394 ev_document_doc_mutex_unlock ();
3396 tmp_uri = ev_image_save_tmp (view->image_dnd_info.image, pixbuf);
3397 g_object_unref (pixbuf);
3399 uris[0] = (gchar *)tmp_uri;
3401 gtk_selection_data_set_uris (selection_data, uris);
3407 ev_view_drag_motion (GtkWidget *widget,
3408 GdkDragContext *context,
3413 if (gtk_drag_get_source_widget (context) == widget)
3414 gdk_drag_status (context, 0, time);
3416 gdk_drag_status (context, context->suggested_action, time);
3422 selection_update_idle_cb (EvView *view)
3424 compute_selections (view,
3425 view->selection_info.style,
3426 &view->selection_info.start,
3428 view->selection_update_id = 0;
3433 selection_scroll_timeout_cb (EvView *view)
3435 gint x, y, shift = 0;
3436 GtkWidget *widget = GTK_WIDGET (view);
3438 gtk_widget_get_pointer (widget, &x, &y);
3440 if (y > widget->allocation.height) {
3441 shift = (y - widget->allocation.height) / 2;
3447 gtk_adjustment_set_value (view->vadjustment,
3448 CLAMP (view->vadjustment->value + shift,
3449 view->vadjustment->lower,
3450 view->vadjustment->upper -
3451 view->vadjustment->page_size));
3453 if (x > widget->allocation.width) {
3454 shift = (x - widget->allocation.width) / 2;
3460 gtk_adjustment_set_value (view->hadjustment,
3461 CLAMP (view->hadjustment->value + shift,
3462 view->hadjustment->lower,
3463 view->hadjustment->upper -
3464 view->hadjustment->page_size));
3470 ev_view_drag_update_momentum (EvView *view)
3473 if (!view->drag_info.in_drag)
3476 for (i = DRAG_HISTORY - 1; i > 0; i--) {
3477 view->drag_info.buffer[i].x = view->drag_info.buffer[i-1].x;
3478 view->drag_info.buffer[i].y = view->drag_info.buffer[i-1].y;
3481 /* Momentum is a moving average of 10ms granularity over
3482 * the last 100ms with each 10ms stored in buffer.
3485 view->drag_info.momentum.x = (view->drag_info.buffer[DRAG_HISTORY - 1].x - view->drag_info.buffer[0].x);
3486 view->drag_info.momentum.y = (view->drag_info.buffer[DRAG_HISTORY - 1].y - view->drag_info.buffer[0].y);
3492 ev_view_scroll_drag_release (EvView *view)
3494 gdouble dhadj_value, dvadj_value;
3495 gdouble oldhadjustment, oldvadjustment;
3497 view->drag_info.momentum.x /= 1.2;
3498 view->drag_info.momentum.y /= 1.2; /* Alter these constants to change "friction" */
3500 dhadj_value = view->hadjustment->page_size *
3501 (gdouble)view->drag_info.momentum.x / GTK_WIDGET (view)->allocation.width;
3502 dvadj_value = view->vadjustment->page_size *
3503 (gdouble)view->drag_info.momentum.y / GTK_WIDGET (view)->allocation.height;
3505 oldhadjustment = gtk_adjustment_get_value (view->hadjustment);
3506 oldvadjustment = gtk_adjustment_get_value (view->vadjustment);
3508 /* When we reach the edges, we need either to absorb some momentum and bounce by
3509 * multiplying it on -0.5 or stop scrolling by setting momentum to 0. */
3510 if (((oldhadjustment + dhadj_value) > (view->hadjustment->upper - view->hadjustment->page_size)) ||
3511 ((oldhadjustment + dhadj_value) < 0))
3512 view->drag_info.momentum.x = 0;
3513 if (((oldvadjustment + dvadj_value) > (view->vadjustment->upper - view->vadjustment->page_size)) ||
3514 ((oldvadjustment + dvadj_value) < 0))
3515 view->drag_info.momentum.y = 0;
3517 gtk_adjustment_set_value (view->hadjustment,
3518 MIN (oldhadjustment + dhadj_value,
3519 view->hadjustment->upper - view->hadjustment->page_size));
3520 gtk_adjustment_set_value (view->vadjustment,
3521 MIN (oldvadjustment + dvadj_value,
3522 view->vadjustment->upper - view->vadjustment->page_size));
3524 if (((view->drag_info.momentum.x < 1) && (view->drag_info.momentum.x > -1)) &&
3525 ((view->drag_info.momentum.y < 1) && (view->drag_info.momentum.y > -1)))
3532 ev_view_motion_notify_event (GtkWidget *widget,
3533 GdkEventMotion *event)
3535 EvView *view = EV_VIEW (widget);
3538 if (!view->document)
3541 if (event->is_hint || event->window != view->layout.bin_window) {
3542 gtk_widget_get_pointer (widget, &x, &y);
3548 if (view->scroll_info.autoscrolling) {
3549 view->scroll_info.last_y = y;
3553 if (view->selection_info.in_drag) {
3554 if (gtk_drag_check_threshold (widget,
3555 view->selection_info.start.x,
3556 view->selection_info.start.y,
3558 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3560 gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT);
3562 gtk_drag_begin (widget, target_list,
3564 1, (GdkEvent *)event);
3566 view->selection_info.in_drag = FALSE;
3568 gtk_target_list_unref (target_list);
3572 } else if (view->image_dnd_info.in_drag) {
3573 if (gtk_drag_check_threshold (widget,
3574 view->selection_info.start.x,
3575 view->selection_info.start.y,
3577 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3579 gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI);
3580 gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE);
3582 gtk_drag_begin (widget, target_list,
3584 1, (GdkEvent *)event);
3586 view->image_dnd_info.in_drag = FALSE;
3588 gtk_target_list_unref (target_list);
3594 switch (view->pressed_button) {
3596 /* For the Evince 0.4.x release, we limit selection to un-rotated
3599 if (view->rotation != 0)
3602 /* Schedule timeout to scroll during selection and additionally
3603 * scroll once to allow arbitrary speed. */
3604 if (!view->selection_scroll_id)
3605 view->selection_scroll_id = g_timeout_add (SCROLL_TIME,
3606 (GSourceFunc)selection_scroll_timeout_cb,
3609 selection_scroll_timeout_cb (view);
3611 view->selection_info.in_selection = TRUE;
3612 view->motion.x = x + view->scroll_x;
3613 view->motion.y = y + view->scroll_y;
3615 /* Queue an idle to handle the motion. We do this because
3616 * handling any selection events in the motion could be slower
3617 * than new motion events reach us. We always put it in the
3618 * idle to make sure we catch up and don't visibly lag the
3620 if (!view->selection_update_id)
3621 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
3625 if (!view->drag_info.in_drag) {
3629 start = gtk_drag_check_threshold (widget,
3630 view->drag_info.start.x,
3631 view->drag_info.start.y,
3634 view->drag_info.in_drag = start;
3635 view->drag_info.drag_timeout_id = g_timeout_add (10,
3636 (GSourceFunc)ev_view_drag_update_momentum, view);
3637 /* Set 100 to choose how long it takes to build up momentum */
3638 /* Clear out previous momentum info: */
3639 for (i = 0; i < DRAG_HISTORY; i++) {
3640 view->drag_info.buffer[i].x = event->x;
3641 view->drag_info.buffer[i].y = event->y;
3643 view->drag_info.momentum.x = 0;
3644 view->drag_info.momentum.y = 0;
3647 if (view->drag_info.in_drag) {
3649 gdouble dhadj_value, dvadj_value;
3651 view->drag_info.buffer[0].x = event->x;
3652 view->drag_info.buffer[0].y = event->y;
3654 dx = event->x_root - view->drag_info.start.x;
3655 dy = event->y_root - view->drag_info.start.y;
3657 dhadj_value = view->hadjustment->page_size *
3658 (gdouble)dx / widget->allocation.width;
3659 dvadj_value = view->vadjustment->page_size *
3660 (gdouble)dy / widget->allocation.height;
3662 /* clamp scrolling to visible area */
3663 gtk_adjustment_set_value (view->hadjustment,
3664 MIN(view->drag_info.hadj - dhadj_value,
3665 view->hadjustment->upper -
3666 view->hadjustment->page_size));
3667 gtk_adjustment_set_value (view->vadjustment,
3668 MIN(view->drag_info.vadj - dvadj_value,
3669 view->vadjustment->upper -
3670 view->vadjustment->page_size));
3677 ev_view_handle_cursor_over_xy (view, x, y);
3684 ev_view_button_release_event (GtkWidget *widget,
3685 GdkEventButton *event)
3687 EvView *view = EV_VIEW (widget);
3688 EvLink *link = NULL;
3690 view->image_dnd_info.in_drag = FALSE;
3692 if (view->scroll_info.autoscrolling) {
3693 ev_view_autoscroll_stop (view);
3694 view->pressed_button = -1;
3699 if (view->drag_info.in_drag) {
3700 view->drag_info.release_timeout_id =
3702 (GSourceFunc)ev_view_scroll_drag_release, view);
3705 if (view->document && !view->drag_info.in_drag && view->pressed_button != 3) {
3706 link = ev_view_get_link_at_location (view, event->x, event->y);
3709 view->drag_info.in_drag = FALSE;
3711 if (view->pressed_button == 2) {
3712 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3715 view->pressed_button = -1;
3717 if (view->selection_scroll_id) {
3718 g_source_remove (view->selection_scroll_id);
3719 view->selection_scroll_id = 0;
3721 if (view->selection_update_id) {
3722 g_source_remove (view->selection_update_id);
3723 view->selection_update_id = 0;
3726 if (view->selection_info.selections) {
3727 clear_link_selected (view);
3728 ev_view_update_primary_selection (view);
3730 if (view->selection_info.in_drag) {
3731 clear_selection (view);
3732 gtk_widget_queue_draw (widget);
3735 view->selection_info.in_drag = FALSE;
3737 if (event->button == 2) {
3738 EvLinkAction *action;
3739 EvLinkActionType type;
3741 action = ev_link_get_action (link);
3745 type = ev_link_action_get_action_type (action);
3746 if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
3747 g_signal_emit (view,
3748 signals[SIGNAL_EXTERNAL_LINK],
3752 ev_view_handle_link (view, link);
3760 ev_view_key_press_event (GtkWidget *widget,
3763 EvView *view = EV_VIEW (widget);
3765 if (!view->document)
3768 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
3769 /* Forward key events to current focused window child */
3770 if (view->window_child_focus) {
3771 GdkEventKey *new_event;
3774 new_event = (GdkEventKey *) gdk_event_copy ((GdkEvent *)event);
3775 g_object_unref (new_event->window);
3776 new_event->window = g_object_ref (view->window_child_focus->window->window);
3777 gtk_widget_realize (view->window_child_focus->window);
3778 handled = gtk_widget_event (view->window_child_focus->window, (GdkEvent *)new_event);
3779 gdk_event_free ((GdkEvent *)new_event);
3787 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3791 ev_view_focus_in (GtkWidget *widget,
3792 GdkEventFocus *event)
3794 if (EV_VIEW (widget)->pixbuf_cache)
3795 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3796 gtk_widget_queue_draw (widget);
3802 ev_view_focus_out (GtkWidget *widget,
3803 GdkEventFocus *event)
3805 if (EV_VIEW (widget)->pixbuf_cache)
3806 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3807 gtk_widget_queue_draw (widget);
3813 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3815 EvView *view = EV_VIEW (widget);
3817 if (view->cursor != EV_VIEW_CURSOR_NORMAL)
3818 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
3824 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3826 EvView *view = EV_VIEW (widget);
3828 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3834 ev_view_style_set (GtkWidget *widget,
3835 GtkStyle *old_style)
3837 if (EV_VIEW (widget)->pixbuf_cache)
3838 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3840 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
3846 ev_gdk_color_to_rgb (const GdkColor *color)
3849 result = (0xff0000 | (color->red & 0xff00));
3851 result |= ((color->green & 0xff00) | (color->blue >> 8));
3856 draw_rubberband (GtkWidget *widget, GdkWindow *window,
3857 const GdkRectangle *rect, guchar alpha)
3861 GdkColor *fill_color_gdk;
3864 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
3865 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
3867 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
3868 rect->width, rect->height);
3869 gdk_pixbuf_fill (pixbuf, fill_color);
3871 gdk_draw_pixbuf (window, NULL, pixbuf,
3873 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
3874 rect->width, rect->height,
3875 GDK_RGB_DITHER_NONE,
3878 g_object_unref (pixbuf);
3880 gc = gdk_gc_new (window);
3881 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
3882 gdk_draw_rectangle (window, gc, FALSE,
3883 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
3886 g_object_unref (gc);
3888 gdk_color_free (fill_color_gdk);
3893 highlight_find_results (EvView *view, int page)
3895 gint i, n_results = 0;
3897 n_results = ev_view_find_get_n_results (view, page);
3899 for (i = 0; i < n_results; i++) {
3900 EvRectangle *rectangle;
3901 GdkRectangle view_rectangle;
3904 if (i == view->find_result && page == view->current_page) {
3910 rectangle = ev_view_find_get_result (view, page, i);
3911 doc_rect_to_view_rect (view, page, rectangle, &view_rectangle);
3912 draw_rubberband (GTK_WIDGET (view), view->layout.bin_window,
3913 &view_rectangle, alpha);
3918 draw_loading_text (EvView *view,
3919 GdkRectangle *page_area,
3920 GdkRectangle *expose_area)
3925 if (!view->loading_text) {
3926 const gchar *loading_text = _("Loading...");
3927 PangoLayout *layout;
3928 PangoFontDescription *font_desc;
3929 PangoRectangle logical_rect;
3933 ev_document_fc_mutex_lock ();
3935 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
3937 font_desc = pango_font_description_new ();
3939 /* We set the font to be 10 points, get the size, and scale appropriately */
3940 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
3941 pango_layout_set_font_description (layout, font_desc);
3942 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
3944 target_width = MAX (page_area->width / 2, 1);
3945 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
3946 pango_font_description_set_size (font_desc, (int)real_scale);
3947 pango_layout_set_font_description (layout, font_desc);
3948 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
3950 view->loading_text = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
3952 logical_rect.height);
3953 cr = cairo_create (view->loading_text);
3954 cairo_set_source_rgb (cr,
3958 pango_cairo_show_layout (cr, layout);
3961 pango_font_description_free (font_desc);
3962 g_object_unref (layout);
3964 ev_document_fc_mutex_unlock ();
3967 width = (page_area->width - cairo_image_surface_get_width (view->loading_text)) / 2;
3968 height = (page_area->height - cairo_image_surface_get_height (view->loading_text)) / 2;
3970 cr = gdk_cairo_create (view->layout.bin_window);
3971 cairo_translate (cr,
3972 page_area->x + width,
3973 page_area->y + height);
3974 cairo_set_source_surface (cr, view->loading_text, 0, 0);
3980 draw_one_page (EvView *view,
3983 GdkRectangle *page_area,
3985 GdkRectangle *expose_area,
3986 gboolean *page_ready)
3988 GdkRectangle overlap;
3989 GdkRectangle real_page_area;
3992 g_assert (view->document);
3994 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
3997 /* Render the document itself */
3998 real_page_area = *page_area;
4000 real_page_area.x += border->left;
4001 real_page_area.y += border->top;
4002 real_page_area.width -= (border->left + border->right);
4003 real_page_area.height -= (border->top + border->bottom);
4006 current_page = ev_document_model_get_page (view->model);
4007 ev_document_misc_paint_one_page (view->layout.bin_window,
4010 page == current_page);
4012 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
4014 gint page_width, page_height;
4015 cairo_surface_t *page_surface = NULL;
4016 gint selection_width, selection_height;
4017 cairo_surface_t *selection_surface = NULL;
4019 page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page);
4021 if (!page_surface) {
4022 draw_loading_text (view,
4026 *page_ready = FALSE;
4031 ev_view_get_page_size (view, page, &width, &height);
4033 page_width = cairo_image_surface_get_width (page_surface);
4034 page_height = cairo_image_surface_get_height (page_surface);
4037 cairo_translate (cr, overlap.x, overlap.y);
4039 if (width != page_width || height != page_height) {
4040 cairo_pattern_set_filter (cairo_get_source (cr),
4043 (gdouble)width / page_width,
4044 (gdouble)height / page_height);
4047 cairo_surface_set_device_offset (page_surface,
4048 overlap.x - real_page_area.x,
4049 overlap.y - real_page_area.y);
4050 cairo_set_source_surface (cr, page_surface, 0, 0);
4054 /* Get the selection pixbuf iff we have something to draw */
4055 if (find_selection_for_page (view, page) &&
4056 view->selection_mode == EV_VIEW_SELECTION_TEXT) {
4058 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
4064 if (!selection_surface) {
4068 selection_width = cairo_image_surface_get_width (selection_surface);
4069 selection_height = cairo_image_surface_get_height (selection_surface);
4072 cairo_translate (cr, overlap.x, overlap.y);
4074 if (width != selection_width || height != selection_height) {
4075 cairo_pattern_set_filter (cairo_get_source (cr),
4078 (gdouble)width / selection_width,
4079 (gdouble)height / selection_height);
4082 cairo_surface_set_device_offset (selection_surface,
4083 overlap.x - real_page_area.x,
4084 overlap.y - real_page_area.y);
4085 cairo_set_source_surface (cr, selection_surface, 0, 0);
4091 /*** GObject functions ***/
4094 ev_view_finalize (GObject *object)
4096 EvView *view = EV_VIEW (object);
4098 clear_selection (view);
4099 clear_link_selected (view);
4101 if (view->image_dnd_info.image)
4102 g_object_unref (view->image_dnd_info.image);
4103 view->image_dnd_info.image = NULL;
4105 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
4109 ev_view_destroy (GtkObject *object)
4111 EvView *view = EV_VIEW (object);
4114 g_object_unref (view->model);
4118 if (view->pixbuf_cache) {
4119 g_object_unref (view->pixbuf_cache);
4120 view->pixbuf_cache = NULL;
4123 if (view->document) {
4124 g_object_unref (view->document);
4125 view->document = NULL;
4128 if (view->page_cache) {
4129 g_object_unref (view->page_cache);
4130 view->page_cache = NULL;
4133 ev_view_window_children_free (view);
4135 if (view->selection_scroll_id) {
4136 g_source_remove (view->selection_scroll_id);
4137 view->selection_scroll_id = 0;
4140 if (view->selection_update_id) {
4141 g_source_remove (view->selection_update_id);
4142 view->selection_update_id = 0;
4145 if (view->loading_text) {
4146 cairo_surface_destroy (view->loading_text);
4147 view->loading_text = NULL;
4150 if (view->scroll_info.timeout_id) {
4151 g_source_remove (view->scroll_info.timeout_id);
4152 view->scroll_info.timeout_id = 0;
4155 if (view->drag_info.drag_timeout_id) {
4156 g_source_remove (view->drag_info.drag_timeout_id);
4157 view->drag_info.drag_timeout_id = 0;
4160 if (view->drag_info.release_timeout_id) {
4161 g_source_remove (view->drag_info.release_timeout_id);
4162 view->drag_info.release_timeout_id = 0;
4165 ev_view_set_scroll_adjustments (GTK_LAYOUT (view), NULL, NULL);
4167 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
4171 ev_view_get_accessible (GtkWidget *widget)
4173 static gboolean first_time = TRUE;
4176 AtkObjectFactory *factory;
4177 AtkRegistry *registry;
4179 GType derived_atk_type;
4182 * Figure out whether accessibility is enabled by looking at the
4183 * type of the accessible object which would be created for
4184 * the parent type of EvView.
4186 derived_type = g_type_parent (EV_TYPE_VIEW);
4188 registry = atk_get_default_registry ();
4189 factory = atk_registry_get_factory (registry,
4191 derived_atk_type = atk_object_factory_get_accessible_type (factory);
4192 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
4193 atk_registry_set_factory_type (registry,
4195 ev_view_accessible_factory_get_type ());
4198 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
4202 ev_view_class_init (EvViewClass *class)
4204 GObjectClass *object_class = G_OBJECT_CLASS (class);
4205 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
4206 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
4207 GtkLayoutClass *layout_class = GTK_LAYOUT_CLASS (class);
4208 GtkBindingSet *binding_set;
4210 object_class->finalize = ev_view_finalize;
4212 widget_class->expose_event = ev_view_expose_event;
4213 widget_class->button_press_event = ev_view_button_press_event;
4214 widget_class->motion_notify_event = ev_view_motion_notify_event;
4215 widget_class->button_release_event = ev_view_button_release_event;
4216 widget_class->key_press_event = ev_view_key_press_event;
4217 widget_class->focus_in_event = ev_view_focus_in;
4218 widget_class->focus_out_event = ev_view_focus_out;
4219 widget_class->get_accessible = ev_view_get_accessible;
4220 widget_class->size_request = ev_view_size_request;
4221 widget_class->size_allocate = ev_view_size_allocate;
4222 widget_class->realize = ev_view_realize;
4223 widget_class->scroll_event = ev_view_scroll_event;
4224 widget_class->enter_notify_event = ev_view_enter_notify_event;
4225 widget_class->leave_notify_event = ev_view_leave_notify_event;
4226 widget_class->style_set = ev_view_style_set;
4227 widget_class->drag_data_get = ev_view_drag_data_get;
4228 widget_class->drag_motion = ev_view_drag_motion;
4229 widget_class->popup_menu = ev_view_popup_menu;
4230 widget_class->query_tooltip = ev_view_query_tooltip;
4232 gtk_object_class->destroy = ev_view_destroy;
4234 layout_class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
4236 class->binding_activated = ev_view_scroll;
4238 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
4239 G_TYPE_FROM_CLASS (object_class),
4240 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4241 G_STRUCT_OFFSET (EvViewClass, binding_activated),
4243 ev_view_marshal_VOID__ENUM_BOOLEAN,
4245 GTK_TYPE_SCROLL_TYPE,
4247 signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link",
4248 G_TYPE_FROM_CLASS (object_class),
4249 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4250 G_STRUCT_OFFSET (EvViewClass, handle_link),
4252 g_cclosure_marshal_VOID__OBJECT,
4255 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
4256 G_TYPE_FROM_CLASS (object_class),
4257 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4258 G_STRUCT_OFFSET (EvViewClass, external_link),
4260 g_cclosure_marshal_VOID__OBJECT,
4263 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
4264 G_TYPE_FROM_CLASS (object_class),
4265 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4266 G_STRUCT_OFFSET (EvViewClass, popup_menu),
4268 g_cclosure_marshal_VOID__OBJECT,
4271 signals[SIGNAL_SELECTION_CHANGED] = g_signal_new ("selection-changed",
4272 G_TYPE_FROM_CLASS (object_class),
4273 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4274 G_STRUCT_OFFSET (EvViewClass, selection_changed),
4276 g_cclosure_marshal_VOID__VOID,
4280 binding_set = gtk_binding_set_by_class (class);
4282 add_scroll_binding_keypad (binding_set, GDK_Left, 0, GTK_SCROLL_STEP_BACKWARD, TRUE);
4283 add_scroll_binding_keypad (binding_set, GDK_Right, 0, GTK_SCROLL_STEP_FORWARD, TRUE);
4284 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, TRUE);
4285 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, TRUE);
4286 add_scroll_binding_keypad (binding_set, GDK_Up, 0, GTK_SCROLL_STEP_BACKWARD, FALSE);
4287 add_scroll_binding_keypad (binding_set, GDK_Down, 0, GTK_SCROLL_STEP_FORWARD, FALSE);
4288 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, FALSE);
4289 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, FALSE);
4290 gtk_binding_entry_add_signal (binding_set, GDK_H, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4291 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE);
4292 gtk_binding_entry_add_signal (binding_set, GDK_J, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4293 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE);
4294 gtk_binding_entry_add_signal (binding_set, GDK_K, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4295 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE);
4296 gtk_binding_entry_add_signal (binding_set, GDK_L, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4297 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE);
4302 ev_view_init (EvView *view)
4304 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
4306 view->start_page = -1;
4307 view->end_page = -1;
4310 view->current_page = 0;
4311 view->pressed_button = -1;
4312 view->cursor = EV_VIEW_CURSOR_NORMAL;
4313 view->drag_info.in_drag = FALSE;
4314 view->scroll_info.autoscrolling = FALSE;
4315 view->selection_info.selections = NULL;
4316 view->selection_info.in_selection = FALSE;
4317 view->selection_info.in_drag = FALSE;
4318 view->selection_mode = EV_VIEW_SELECTION_TEXT;
4319 view->continuous = TRUE;
4320 view->dual_page = FALSE;
4321 view->fullscreen = FALSE;
4322 view->sizing_mode = EV_SIZING_FIT_WIDTH;
4323 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4324 view->jump_to_find_result = TRUE;
4325 view->highlight_find_results = FALSE;
4327 gtk_layout_set_hadjustment (GTK_LAYOUT (view), NULL);
4328 gtk_layout_set_vadjustment (GTK_LAYOUT (view), NULL);
4334 ev_view_change_page (EvView *view,
4339 view->current_page = new_page;
4340 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4342 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4343 ev_view_handle_cursor_over_xy (view, x, y);
4345 gtk_widget_queue_resize (GTK_WIDGET (view));
4349 job_finished_cb (EvPixbufCache *pixbuf_cache,
4354 gdk_window_invalidate_region (view->layout.bin_window,
4357 gtk_widget_queue_draw (GTK_WIDGET (view));
4362 ev_view_page_changed_cb (EvDocumentModel *model,
4367 if (!view->document)
4370 if (view->current_page != new_page) {
4371 ev_view_change_page (view, new_page);
4373 gtk_widget_queue_draw (GTK_WIDGET (view));
4376 view->find_result = 0;
4380 on_adjustment_value_changed (GtkAdjustment *adjustment,
4385 GList *children, *l;
4387 if (! GTK_WIDGET_REALIZED (view))
4390 if (view->hadjustment) {
4391 dx = view->scroll_x - (int) view->hadjustment->value;
4392 view->scroll_x = (int) view->hadjustment->value;
4397 if (view->vadjustment) {
4398 dy = view->scroll_y - (int) view->vadjustment->value;
4399 view->scroll_y = (int) view->vadjustment->value;
4404 children = gtk_container_get_children (GTK_CONTAINER (view));
4405 for (l = children; l && l->data; l = g_list_next (l)) {
4406 gint child_x, child_y;
4407 GtkWidget *child = (GtkWidget *)l->data;
4409 gtk_container_child_get (GTK_CONTAINER (view),
4414 gtk_layout_move (GTK_LAYOUT (view), child, child_x + dx, child_y + dy);
4416 g_list_free (children);
4418 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
4419 EvViewWindowChild *child;
4421 child = (EvViewWindowChild *)l->data;
4423 ev_view_window_child_move (view, child, child->x + dx, child->y + dy);
4426 if (view->pending_resize)
4427 gtk_widget_queue_draw (GTK_WIDGET (view));
4429 gdk_window_scroll (view->layout.bin_window, dx, dy);
4431 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4432 ev_view_handle_cursor_over_xy (view, x, y);
4435 view_update_range_and_current_page (view);
4443 view = g_object_new (EV_TYPE_VIEW, NULL);
4449 setup_caches (EvView *view)
4451 gboolean inverted_colors;
4453 view->height_to_page_cache = ev_view_get_height_to_page_cache (view);
4454 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
4455 view->page_cache = ev_page_cache_new (view->document);
4456 inverted_colors = ev_document_model_get_inverted_colors (view->model);
4457 ev_pixbuf_cache_set_inverted_colors (view->pixbuf_cache, inverted_colors);
4458 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
4462 clear_caches (EvView *view)
4464 if (view->pixbuf_cache) {
4465 g_object_unref (view->pixbuf_cache);
4466 view->pixbuf_cache = NULL;
4469 if (view->page_cache) {
4470 g_object_unref (view->page_cache);
4471 view->page_cache = NULL;
4476 ev_view_set_loading (EvView *view,
4479 view->loading = loading;
4480 gtk_widget_queue_draw (GTK_WIDGET (view));
4484 ev_view_autoscroll_cb (EvView *view)
4486 gdouble speed, value;
4488 /* If the user stops autoscrolling, autoscrolling will be
4489 * set to false but the timeout will continue; stop the timeout: */
4490 if (!view->scroll_info.autoscrolling) {
4491 view->scroll_info.timeout_id = 0;
4495 if (view->scroll_info.last_y > view->scroll_info.start_y &&
4496 (view->scroll_info.last_y < view->scroll_info.start_y))
4499 /* Replace 100 with your speed of choice: The lower the faster.
4500 * Replace 3 with another speed of choice: The higher, the faster it accelerated
4501 * based on the distance of the starting point from the mouse
4502 * (All also effected by the timeout interval of this callback) */
4504 if (view->scroll_info.start_y > view->scroll_info.last_y)
4505 speed = -pow ((((gdouble)view->scroll_info.start_y - view->scroll_info.last_y) / 100), 3);
4507 speed = pow ((((gdouble)view->scroll_info.last_y - view->scroll_info.start_y) / 100), 3);
4509 value = gtk_adjustment_get_value (view->vadjustment);
4510 value = CLAMP (value + speed, 0, view->vadjustment->upper - view->vadjustment->page_size);
4511 gtk_adjustment_set_value (view->vadjustment, value);
4518 ev_view_autoscroll_start (EvView *view)
4522 g_return_if_fail (EV_IS_VIEW (view));
4524 if (view->scroll_info.autoscrolling)
4527 view->scroll_info.autoscrolling = TRUE;
4528 view->scroll_info.timeout_id =
4529 g_timeout_add (20, (GSourceFunc)ev_view_autoscroll_cb,
4532 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4533 ev_view_handle_cursor_over_xy (view, x, y);
4537 ev_view_autoscroll_stop (EvView *view)
4541 g_return_if_fail (EV_IS_VIEW (view));
4543 if (!view->scroll_info.autoscrolling)
4546 view->scroll_info.autoscrolling = FALSE;
4547 if (view->scroll_info.timeout_id) {
4548 g_source_remove (view->scroll_info.timeout_id);
4549 view->scroll_info.timeout_id = 0;
4552 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4553 ev_view_handle_cursor_over_xy (view, x, y);
4557 ev_view_document_changed_cb (EvDocumentModel *model,
4561 EvDocument *document = ev_document_model_get_document (model);
4563 view->loading = FALSE;
4565 if (document != view->document) {
4568 clear_caches (view);
4570 if (view->document) {
4571 g_object_unref (view->document);
4574 view->document = document;
4575 view->find_result = 0;
4577 if (view->document) {
4578 g_object_ref (view->document);
4579 setup_caches (view);
4582 current_page = ev_document_model_get_page (model);
4583 if (view->current_page != current_page) {
4584 ev_view_change_page (view, current_page);
4586 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4587 gtk_widget_queue_resize (GTK_WIDGET (view));
4593 ev_view_rotation_changed_cb (EvDocumentModel *model,
4597 gint rotation = ev_document_model_get_rotation (model);
4599 view->rotation = rotation;
4601 if (view->pixbuf_cache) {
4602 ev_pixbuf_cache_clear (view->pixbuf_cache);
4603 if (!ev_document_is_page_size_uniform (view->document))
4604 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4605 gtk_widget_queue_resize (GTK_WIDGET (view));
4608 ev_view_remove_all (view);
4611 clear_selection (view);
4615 ev_view_inverted_colors_changed_cb (EvDocumentModel *model,
4619 if (view->pixbuf_cache) {
4620 gboolean inverted_colors;
4622 inverted_colors = ev_document_model_get_inverted_colors (model);
4623 ev_pixbuf_cache_set_inverted_colors (view->pixbuf_cache, inverted_colors);
4624 gtk_widget_queue_draw (GTK_WIDGET (view));
4629 ev_view_sizing_mode_changed_cb (EvDocumentModel *model,
4633 EvSizingMode mode = ev_document_model_get_sizing_mode (model);
4635 view->sizing_mode = mode;
4636 if (mode != EV_SIZING_FREE)
4637 gtk_widget_queue_resize (GTK_WIDGET (view));
4640 #define EPSILON 0.0000001
4642 ev_view_scale_changed_cb (EvDocumentModel *model,
4646 gdouble scale = ev_document_model_get_scale (model);
4648 if (ABS (view->scale - scale) < EPSILON)
4651 if (view->loading_text) {
4652 cairo_surface_destroy (view->loading_text);
4653 view->loading_text = NULL;
4656 view->scale = scale;
4658 view->pending_resize = TRUE;
4659 if (view->sizing_mode == EV_SIZING_FREE)
4660 gtk_widget_queue_resize (GTK_WIDGET (view));
4664 ev_view_continuous_changed_cb (EvDocumentModel *model,
4668 gboolean continuous = ev_document_model_get_continuous (model);
4670 view->continuous = continuous;
4671 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4672 gtk_widget_queue_resize (GTK_WIDGET (view));
4676 ev_view_dual_page_changed_cb (EvDocumentModel *model,
4680 gboolean dual_page = ev_document_model_get_dual_page (model);
4682 view->dual_page = dual_page;
4683 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4684 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
4685 * preload_cache_size to be 2 if dual_page is set.
4687 gtk_widget_queue_resize (GTK_WIDGET (view));
4691 ev_view_fullscreen_changed_cb (EvDocumentModel *model,
4695 gboolean fullscreen = ev_document_model_get_fullscreen (model);
4697 view->fullscreen = fullscreen;
4698 gtk_widget_queue_resize (GTK_WIDGET (view));
4702 ev_view_set_model (EvView *view,
4703 EvDocumentModel *model)
4705 g_return_if_fail (EV_IS_VIEW (view));
4706 g_return_if_fail (EV_IS_DOCUMENT_MODEL (model));
4708 if (model == view->model)
4712 g_signal_handlers_disconnect_by_func (view->model,
4713 ev_view_document_changed_cb,
4715 g_signal_handlers_disconnect_by_func (view->model,
4716 ev_view_page_changed_cb,
4718 g_object_unref (view->model);
4720 view->model = g_object_ref (model);
4722 /* Initialize view from model */
4723 view->rotation = ev_document_model_get_rotation (view->model);
4724 view->sizing_mode = ev_document_model_get_sizing_mode (view->model);
4725 view->scale = ev_document_model_get_scale (view->model);
4726 view->continuous = ev_document_model_get_continuous (view->model);
4727 view->dual_page = ev_document_model_get_dual_page (view->model);
4728 view->fullscreen = ev_document_model_get_fullscreen (view->model);
4729 ev_view_document_changed_cb (view->model, NULL, view);
4731 g_signal_connect (view->model, "notify::document",
4732 G_CALLBACK (ev_view_document_changed_cb),
4734 g_signal_connect (view->model, "notify::rotation",
4735 G_CALLBACK (ev_view_rotation_changed_cb),
4737 g_signal_connect (view->model, "notify::inverted-colors",
4738 G_CALLBACK (ev_view_inverted_colors_changed_cb),
4740 g_signal_connect (view->model, "notify::sizing-mode",
4741 G_CALLBACK (ev_view_sizing_mode_changed_cb),
4743 g_signal_connect (view->model, "notify::scale",
4744 G_CALLBACK (ev_view_scale_changed_cb),
4746 g_signal_connect (view->model, "notify::continuous",
4747 G_CALLBACK (ev_view_continuous_changed_cb),
4749 g_signal_connect (view->model, "notify::dual-page",
4750 G_CALLBACK (ev_view_dual_page_changed_cb),
4752 g_signal_connect (view->model, "notify::fullscreen",
4753 G_CALLBACK (ev_view_fullscreen_changed_cb),
4755 g_signal_connect (view->model, "page-changed",
4756 G_CALLBACK (ev_view_page_changed_cb),
4761 ev_view_reload_page (EvView *view,
4765 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
4773 ev_view_reload (EvView *view)
4775 ev_pixbuf_cache_clear (view->pixbuf_cache);
4776 view_update_range_and_current_page (view);
4779 /*** Zoom and sizing mode ***/
4782 ev_view_can_zoom_in (EvView *view)
4784 return view->scale * ZOOM_IN_FACTOR <= ev_document_model_get_max_scale (view->model);
4788 ev_view_can_zoom_out (EvView *view)
4790 return view->scale * ZOOM_OUT_FACTOR >= ev_document_model_get_min_scale (view->model);
4794 ev_view_zoom_in (EvView *view)
4798 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
4800 view->pending_scroll = SCROLL_TO_CENTER;
4801 scale = ev_document_model_get_scale (view->model) * ZOOM_IN_FACTOR;
4802 ev_document_model_set_scale (view->model, scale);
4806 ev_view_zoom_out (EvView *view)
4810 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
4812 view->pending_scroll = SCROLL_TO_CENTER;
4813 scale = ev_document_model_get_scale (view->model) * ZOOM_OUT_FACTOR;
4814 ev_document_model_set_scale (view->model, scale);
4818 zoom_for_size_fit_width (gdouble doc_width,
4823 return (double)target_width / doc_width;
4827 zoom_for_size_fit_height (gdouble doc_width,
4832 return (double)target_height / doc_height;
4836 zoom_for_size_best_fit (gdouble doc_width,
4844 w_scale = (double)target_width / doc_width;
4845 h_scale = (double)target_height / doc_height;
4847 return MIN (w_scale, h_scale);
4851 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
4855 gdouble doc_width, doc_height;
4859 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
4860 if (view->rotation == 90 || view->rotation == 270) {
4864 doc_width = doc_height;
4868 compute_border (view, doc_width, doc_height, &border);
4871 width -= (2 * (border.left + border.right) + 3 * view->spacing);
4872 height -= (border.top + border.bottom + 2 * view->spacing - 1);
4874 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
4877 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
4878 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
4879 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4880 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
4882 g_assert_not_reached ();
4884 ev_document_model_set_scale (view->model, scale);
4888 ev_view_zoom_for_size_continuous (EvView *view,
4892 gdouble doc_width, doc_height;
4896 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
4897 if (view->rotation == 90 || view->rotation == 270) {
4901 doc_width = doc_height;
4905 compute_border (view, doc_width, doc_height, &border);
4907 width -= (border.left + border.right + 2 * view->spacing);
4908 height -= (border.top + border.bottom + 2 * view->spacing - 1);
4910 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
4913 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
4914 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
4915 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4916 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
4918 g_assert_not_reached ();
4920 ev_document_model_set_scale (view->model, scale);
4924 ev_view_zoom_for_size_dual_page (EvView *view,
4929 gdouble doc_width, doc_height;
4933 other_page = view->current_page ^ 1;
4935 /* Find the largest of the two. */
4936 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
4937 if (other_page < ev_document_get_n_pages (view->document)) {
4938 gdouble width_2, height_2;
4940 get_doc_page_size (view, other_page, &width_2, &height_2);
4941 if (width_2 > doc_width)
4942 doc_width = width_2;
4943 if (height_2 > doc_height)
4944 doc_height = height_2;
4946 compute_border (view, width, height, &border);
4948 doc_width = doc_width * 2;
4949 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
4950 height -= (border.top + border.bottom + 2 * view->spacing);
4952 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
4955 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
4956 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
4957 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4958 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
4960 g_assert_not_reached ();
4962 ev_document_model_set_scale (view->model, scale);
4966 ev_view_zoom_for_size_single_page (EvView *view,
4970 gdouble doc_width, doc_height;
4974 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
4976 /* Get an approximate border */
4977 compute_border (view, width, height, &border);
4979 width -= (border.left + border.right + 2 * view->spacing);
4980 height -= (border.top + border.bottom + 2 * view->spacing);
4982 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
4985 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
4986 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
4987 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4988 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
4990 g_assert_not_reached ();
4992 ev_document_model_set_scale (view->model, scale);
4996 ev_view_zoom_for_size (EvView *view,
5000 g_return_if_fail (EV_IS_VIEW (view));
5001 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
5002 view->sizing_mode == EV_SIZING_BEST_FIT);
5003 g_return_if_fail (width >= 0);
5004 g_return_if_fail (height >= 0);
5006 if (view->document == NULL)
5009 if (view->continuous && view->dual_page)
5010 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height);
5011 else if (view->continuous)
5012 ev_view_zoom_for_size_continuous (view, width, height);
5013 else if (view->dual_page)
5014 ev_view_zoom_for_size_dual_page (view, width, height);
5016 ev_view_zoom_for_size_single_page (view, width, height);
5021 ev_view_find_get_n_results (EvView *view, gint page)
5023 return view->find_pages ? g_list_length (view->find_pages[page]) : 0;
5026 static EvRectangle *
5027 ev_view_find_get_result (EvView *view, gint page, gint result)
5029 return view->find_pages ? (EvRectangle *) g_list_nth_data (view->find_pages[page], result) : NULL;
5033 jump_to_find_result (EvView *view)
5036 gint page = view->current_page;
5038 n_results = ev_view_find_get_n_results (view, page);
5040 if (n_results > 0 && view->find_result < n_results) {
5042 GdkRectangle view_rect;
5044 rect = ev_view_find_get_result (view, page, view->find_result);
5045 doc_rect_to_view_rect (view, page, rect, &view_rect);
5046 ensure_rectangle_is_visible (view, &view_rect);
5047 view->jump_to_find_result = FALSE;
5053 * @view: #EvView instance
5054 * @direction: Direction to look
5055 * @shift: Shift from current page
5057 * Jumps to the first page that has occurences of searched word.
5058 * Uses a direction where to look and a shift from current page.
5062 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
5066 n_pages = ev_document_get_n_pages (view->document);
5068 for (i = 0; i < n_pages; i++) {
5071 if (direction == EV_VIEW_FIND_NEXT)
5072 page = view->current_page + i;
5074 page = view->current_page - i;
5077 if (page >= n_pages) {
5078 page = page - n_pages;
5079 } else if (page < 0)
5080 page = page + n_pages;
5082 if (ev_view_find_get_n_results (view, page) > 0) {
5083 ev_document_model_set_page (view->model, page);
5090 ev_view_find_changed (EvView *view, GList **results, gint page)
5092 view->find_pages = results;
5094 if (view->jump_to_find_result == TRUE) {
5095 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
5096 jump_to_find_result (view);
5099 if (view->current_page == page)
5100 gtk_widget_queue_draw (GTK_WIDGET (view));
5104 ev_view_find_next (EvView *view)
5108 n_results = ev_view_find_get_n_results (view, view->current_page);
5109 view->find_result++;
5111 if (view->find_result >= n_results) {
5112 view->find_result = 0;
5113 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
5114 jump_to_find_result (view);
5116 jump_to_find_result (view);
5117 gtk_widget_queue_draw (GTK_WIDGET (view));
5122 ev_view_find_previous (EvView *view)
5124 view->find_result--;
5126 if (view->find_result < 0) {
5127 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
5128 view->find_result = MAX (0, ev_view_find_get_n_results (view, view->current_page) - 1);
5129 jump_to_find_result (view);
5131 jump_to_find_result (view);
5132 gtk_widget_queue_draw (GTK_WIDGET (view));
5137 ev_view_find_search_changed (EvView *view)
5139 /* search string has changed, focus on new search result */
5140 view->jump_to_find_result = TRUE;
5141 view->find_pages = NULL;
5145 ev_view_find_set_highlight_search (EvView *view, gboolean value)
5147 view->highlight_find_results = value;
5148 gtk_widget_queue_draw (GTK_WIDGET (view));
5152 ev_view_find_cancel (EvView *view)
5154 view->find_pages = NULL;
5157 /*** Selections ***/
5159 /* compute_new_selection_rect/text calculates the area currently selected by
5160 * view_rect. each handles a different mode;
5163 compute_new_selection_rect (EvView *view,
5167 GdkRectangle view_rect;
5171 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
5173 view_rect.x = MIN (start->x, stop->x);
5174 view_rect.y = MIN (start->y, stop->y);
5175 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
5176 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
5178 n_pages = ev_document_get_n_pages (view->document);
5180 for (i = 0; i < n_pages; i++) {
5181 GdkRectangle page_area;
5184 if (get_page_extents (view, i, &page_area, &border)) {
5185 GdkRectangle overlap;
5187 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
5188 EvViewSelection *selection;
5190 selection = g_new0 (EvViewSelection, 1);
5191 selection->page = i;
5192 view_rect_to_doc_rect (view, &overlap, &page_area,
5193 &(selection->rect));
5195 list = g_list_append (list, selection);
5204 gdk_rectangle_point_in (GdkRectangle *rectangle,
5207 return rectangle->x <= point->x &&
5208 rectangle->y <= point->y &&
5209 point->x < rectangle->x + rectangle->width &&
5210 point->y < rectangle->y + rectangle->height;
5214 compute_new_selection_text (EvView *view,
5215 EvSelectionStyle style,
5219 int n_pages, i, first, last;
5221 EvViewSelection *selection;
5222 gdouble width, height;
5223 int start_page, end_page;
5225 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
5227 n_pages = ev_document_get_n_pages (view->document);
5229 /* First figure out the range of pages the selection
5233 if (view->continuous) {
5236 } else if (view->dual_page) {
5237 start_page = view->start_page;
5238 end_page = view->end_page + 1;
5240 start_page = view->current_page;
5241 end_page = view->current_page + 1;
5244 for (i = start_page; i < end_page; i++) {
5245 GdkRectangle page_area;
5248 get_page_extents (view, i, &page_area, &border);
5249 if (gdk_rectangle_point_in (&page_area, start) ||
5250 gdk_rectangle_point_in (&page_area, stop)) {
5251 if (first == n_pages)
5258 /* Now create a list of EvViewSelection's for the affected
5259 * pages. This could be an empty list, a list of just one
5260 * page or a number of pages.*/
5261 for (i = first; i < last + 1; i++) {
5262 GdkRectangle page_area;
5266 get_doc_page_size (view, i, &width, &height);
5268 selection = g_new0 (EvViewSelection, 1);
5269 selection->page = i;
5270 selection->style = style;
5271 selection->rect.x1 = selection->rect.y1 = 0;
5272 selection->rect.x2 = width;
5273 selection->rect.y2 = height;
5275 get_page_extents (view, i, &page_area, &border);
5277 if (gdk_rectangle_point_in (&page_area, start))
5283 view_point_to_doc_point (view, point, &page_area,
5284 &selection->rect.x1,
5285 &selection->rect.y1);
5287 /* If the selection is contained within just one page,
5288 * make sure we don't write 'start' into both points
5289 * in selection->rect. */
5294 view_point_to_doc_point (view, point, &page_area,
5295 &selection->rect.x2,
5296 &selection->rect.y2);
5298 list = g_list_append (list, selection);
5304 /* This function takes the newly calculated list, and figures out which regions
5305 * have changed. It then queues a redraw approporiately.
5308 merge_selection_region (EvView *view,
5312 GList *new_list_ptr, *old_list_ptr;
5314 /* Update the selection */
5315 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
5316 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5317 g_list_free (view->selection_info.selections);
5318 view->selection_info.selections = new_list;
5319 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
5320 g_signal_emit (view, signals[SIGNAL_SELECTION_CHANGED], 0, NULL);
5322 new_list_ptr = new_list;
5323 old_list_ptr = old_list;
5325 while (new_list_ptr || old_list_ptr) {
5326 EvViewSelection *old_sel, *new_sel;
5328 GdkRegion *region = NULL;
5330 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
5331 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
5333 /* Assume that the lists are in order, and we run through them
5334 * comparing them, one page at a time. We come out with the
5335 * first page we see. */
5336 if (new_sel && old_sel) {
5337 if (new_sel->page < old_sel->page) {
5338 new_list_ptr = new_list_ptr->next;
5340 } else if (new_sel->page > old_sel->page) {
5341 old_list_ptr = old_list_ptr->next;
5344 new_list_ptr = new_list_ptr->next;
5345 old_list_ptr = old_list_ptr->next;
5347 } else if (new_sel) {
5348 new_list_ptr = new_list_ptr->next;
5349 } else if (old_sel) {
5350 old_list_ptr = old_list_ptr->next;
5353 g_assert (new_sel || old_sel);
5355 /* is the page we're looking at on the screen?*/
5356 cur_page = new_sel ? new_sel->page : old_sel->page;
5357 if (cur_page < view->start_page || cur_page > view->end_page)
5360 /* seed the cache with a new page. We are going to need the new
5363 GdkRegion *tmp_region = NULL;
5365 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
5371 new_sel->covered_region = gdk_region_copy (tmp_region);
5375 /* Now we figure out what needs redrawing */
5376 if (old_sel && new_sel) {
5377 if (old_sel->covered_region && new_sel->covered_region) {
5378 /* We only want to redraw the areas that have
5379 * changed, so we xor the old and new regions
5380 * and redraw if it's different */
5381 region = gdk_region_copy (old_sel->covered_region);
5382 gdk_region_xor (region, new_sel->covered_region);
5383 if (gdk_region_empty (region)) {
5384 gdk_region_destroy (region);
5387 } else if (old_sel->covered_region) {
5388 region = gdk_region_copy (old_sel->covered_region);
5389 } else if (new_sel->covered_region) {
5390 region = gdk_region_copy (new_sel->covered_region);
5392 } else if (old_sel && !new_sel) {
5393 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
5394 region = gdk_region_copy (old_sel->covered_region);
5396 } else if (!old_sel && new_sel) {
5397 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
5398 region = gdk_region_copy (new_sel->covered_region);
5401 g_assert_not_reached ();
5404 /* Redraw the damaged region! */
5406 GdkRectangle page_area;
5409 /* I don't know why but the region is smaller
5410 * than expected. This hack fixes it, I guess
5411 * 10 pixels more won't hurt
5413 gdk_region_shrink (region, -5, -5);
5415 get_page_extents (view, cur_page, &page_area, &border);
5416 gdk_region_offset (region,
5417 page_area.x + border.left - view->scroll_x,
5418 page_area.y + border.top - view->scroll_y);
5419 gdk_window_invalidate_region (view->layout.bin_window, region, TRUE);
5420 gdk_region_destroy (region);
5424 /* Free the old list, now that we're done with it. */
5425 g_list_foreach (old_list, (GFunc) selection_free, NULL);
5426 g_list_free (old_list);
5430 compute_selections (EvView *view,
5431 EvSelectionStyle style,
5437 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
5438 list = compute_new_selection_rect (view, start, stop);
5440 list = compute_new_selection_text (view, style, start, stop);
5441 merge_selection_region (view, list);
5444 /* Free's the selection. It's up to the caller to queue redraws if needed.
5447 selection_free (EvViewSelection *selection)
5449 if (selection->covered_region)
5450 gdk_region_destroy (selection->covered_region);
5455 clear_selection (EvView *view)
5457 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5458 g_list_free (view->selection_info.selections);
5459 view->selection_info.selections = NULL;
5460 view->selection_info.in_selection = FALSE;
5461 if (view->pixbuf_cache)
5462 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
5463 g_signal_emit (view, signals[SIGNAL_SELECTION_CHANGED], 0, NULL);
5467 ev_view_select_all (EvView *view)
5469 GList *selections = NULL;
5472 /* Disable selection on rotated pages for the 0.4.0 series */
5473 if (view->rotation != 0)
5476 clear_selection (view);
5478 n_pages = ev_document_get_n_pages (view->document);
5479 for (i = 0; i < n_pages; i++) {
5480 gdouble width, height;
5481 EvViewSelection *selection;
5483 get_doc_page_size (view, i, &width, &height);
5485 selection = g_new0 (EvViewSelection, 1);
5486 selection->page = i;
5487 selection->style = EV_SELECTION_STYLE_GLYPH;
5488 selection->rect.x1 = selection->rect.y1 = 0;
5489 selection->rect.x2 = width;
5490 selection->rect.y2 = height;
5492 selections = g_list_append (selections, selection);
5495 merge_selection_region (view, selections);
5496 gtk_widget_queue_draw (GTK_WIDGET (view));
5500 ev_view_get_has_selection (EvView *view)
5502 return view->selection_info.selections != NULL;
5506 get_selected_text (EvView *view)
5510 gchar *normalized_text;
5511 EvRenderContext *rc;
5513 text = g_string_new (NULL);
5514 rc = ev_render_context_new (NULL, view->rotation, view->scale);
5516 ev_document_doc_mutex_lock ();
5518 for (l = view->selection_info.selections; l != NULL; l = l->next) {
5519 EvViewSelection *selection = (EvViewSelection *)l->data;
5523 page = ev_document_get_page (view->document, selection->page);
5524 ev_render_context_set_page (rc, page);
5525 g_object_unref (page);
5527 tmp = ev_selection_get_selected_text (EV_SELECTION (view->document),
5528 rc, selection->style,
5529 &(selection->rect));
5531 g_string_append (text, tmp);
5535 g_object_unref (rc);
5537 ev_document_doc_mutex_unlock ();
5539 normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC);
5540 g_string_free (text, TRUE);
5541 return normalized_text;
5545 ev_view_clipboard_copy (EvView *view,
5548 GtkClipboard *clipboard;
5550 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
5551 GDK_SELECTION_CLIPBOARD);
5552 gtk_clipboard_set_text (clipboard, text, -1);
5556 ev_view_copy (EvView *ev_view)
5560 if (!EV_IS_SELECTION (ev_view->document))
5563 text = get_selected_text (ev_view);
5564 ev_view_clipboard_copy (ev_view, text);
5569 ev_view_primary_get_cb (GtkClipboard *clipboard,
5570 GtkSelectionData *selection_data,
5574 EvView *ev_view = EV_VIEW (data);
5576 if (ev_view->link_selected) {
5577 gtk_selection_data_set_text (selection_data,
5578 ev_link_action_get_uri (ev_view->link_selected),
5580 } else if (EV_IS_SELECTION (ev_view->document) &&
5581 ev_view->selection_info.selections) {
5584 text = get_selected_text (ev_view);
5586 gtk_selection_data_set_text (selection_data, text, -1);
5593 ev_view_primary_clear_cb (GtkClipboard *clipboard,
5596 EvView *view = EV_VIEW (data);
5598 clear_selection (view);
5599 clear_link_selected (view);
5603 ev_view_update_primary_selection (EvView *ev_view)
5605 GtkClipboard *clipboard;
5607 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
5608 GDK_SELECTION_PRIMARY);
5610 if (ev_view->selection_info.selections || ev_view->link_selected) {
5611 GtkTargetList *target_list;
5612 GtkTargetEntry *targets;
5615 target_list = gtk_target_list_new (NULL, 0);
5616 gtk_target_list_add_text_targets (target_list, 0);
5617 targets = gtk_target_table_new_from_list (target_list, &n_targets);
5618 gtk_target_list_unref (target_list);
5620 if (!gtk_clipboard_set_with_owner (clipboard,
5622 ev_view_primary_get_cb,
5623 ev_view_primary_clear_cb,
5624 G_OBJECT (ev_view)))
5625 ev_view_primary_clear_cb (clipboard, ev_view);
5627 gtk_target_table_free (targets, n_targets);
5629 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
5630 gtk_clipboard_clear (clipboard);
5635 clear_link_selected (EvView *view)
5637 if (view->link_selected) {
5638 g_object_unref (view->link_selected);
5639 view->link_selected = NULL;
5644 ev_view_copy_link_address (EvView *view,
5645 EvLinkAction *action)
5647 clear_link_selected (view);
5649 ev_view_clipboard_copy (view, ev_link_action_get_uri (action));
5651 view->link_selected = g_object_ref (action);
5652 ev_view_update_primary_selection (view);
5655 /*** Cursor operations ***/
5657 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
5659 GdkCursor *cursor = NULL;
5662 if (view->cursor == new_cursor) {
5666 view->cursor = new_cursor;
5668 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
5669 cursor = ev_view_cursor_new (gtk_widget_get_display (widget), new_cursor);
5670 gdk_window_set_cursor (view->layout.bin_window, cursor);
5673 gdk_cursor_unref (cursor);
5677 ev_view_hide_cursor (EvView *view)
5679 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
5683 ev_view_show_cursor (EvView *view)
5685 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
5689 ev_view_next_page (EvView *view)
5693 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5695 if (!view->document)
5698 page = ev_document_model_get_page (view->model);
5699 n_pages = ev_document_get_n_pages (view->document);
5701 if (view->dual_page)
5706 if (page < n_pages) {
5707 ev_document_model_set_page (view->model, page);
5709 } else if (view->dual_page && page == n_pages) {
5710 ev_document_model_set_page (view->model, page - 1);
5718 ev_view_previous_page (EvView *view)
5722 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5724 if (!view->document)
5727 page = ev_document_model_get_page (view->model);
5729 if (view->dual_page)
5735 ev_document_model_set_page (view->model, page);
5737 } else if (view->dual_page && page == -1) {
5738 ev_document_model_set_page (view->model, 0);