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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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"
41 #include "ev-loading-window.h"
43 #include "ev-view-accessible.h"
44 #include "ev-view-private.h"
45 #include "ev-view-type-builtins.h"
47 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
48 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
49 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
52 SIGNAL_BINDING_ACTIVATED,
56 SIGNAL_SELECTION_CHANGED,
66 static guint signals[N_SIGNALS];
71 } EvViewFindDirection;
73 #define ZOOM_IN_FACTOR 1.2
74 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
76 #define SCROLL_TIME 150
79 static void ev_view_set_scroll_adjustments (GtkLayout *layout,
80 GtkAdjustment *hadjustment,
81 GtkAdjustment *vadjustment);
82 static void view_update_range_and_current_page (EvView *view);
83 static void set_scroll_adjustment (EvView *view,
84 GtkOrientation orientation,
85 GtkAdjustment *adjustment);
86 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
88 GdkModifierType modifiers,
91 static void ensure_rectangle_is_visible (EvView *view,
94 /*** Geometry computations ***/
95 static void compute_border (EvView *view,
99 static void get_page_y_offset (EvView *view,
102 static gboolean get_page_extents (EvView *view,
104 GdkRectangle *page_area,
106 static void view_rect_to_doc_rect (EvView *view,
107 GdkRectangle *view_rect,
108 GdkRectangle *page_area,
109 EvRectangle *doc_rect);
110 static void doc_rect_to_view_rect (EvView *view,
112 EvRectangle *doc_rect,
113 GdkRectangle *view_rect);
114 static gboolean get_dual_even_left (EvView *view);
115 static void find_page_at_location (EvView *view,
121 static void doc_point_to_view_point (EvView *view,
124 GdkPoint *view_point);
126 static EvLink * ev_view_get_link_at_location (EvView *view,
129 static char* tip_from_link (EvView *view,
132 static EvFormField *ev_view_get_form_field_at_location (EvView *view,
136 /*** Annotations ***/
137 static EvAnnotation *ev_view_get_annotation_at_location (EvView *view,
140 static void show_annotation_windows (EvView *view,
142 static void hide_annotation_windows (EvView *view,
144 /*** GtkWidget implementation ***/
145 static void ev_view_size_request_continuous_dual_page (EvView *view,
146 GtkRequisition *requisition);
147 static void ev_view_size_request_continuous (EvView *view,
148 GtkRequisition *requisition);
149 static void ev_view_size_request_dual_page (EvView *view,
150 GtkRequisition *requisition);
151 static void ev_view_size_request_single_page (EvView *view,
152 GtkRequisition *requisition);
153 static void ev_view_size_request (GtkWidget *widget,
154 GtkRequisition *requisition);
155 static void ev_view_size_allocate (GtkWidget *widget,
156 GtkAllocation *allocation);
157 static void ev_view_realize (GtkWidget *widget);
158 static gboolean ev_view_scroll_event (GtkWidget *widget,
159 GdkEventScroll *event);
160 static gboolean ev_view_expose_event (GtkWidget *widget,
161 GdkEventExpose *event);
162 static gboolean ev_view_popup_menu (GtkWidget *widget);
163 static gboolean ev_view_button_press_event (GtkWidget *widget,
164 GdkEventButton *event);
165 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
166 GdkEventMotion *event);
167 static gboolean ev_view_button_release_event (GtkWidget *widget,
168 GdkEventButton *event);
169 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
170 GdkEventCrossing *event);
171 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
172 GdkEventCrossing *event);
173 static void ev_view_style_set (GtkWidget *widget,
174 GtkStyle *old_style);
175 static void ev_view_remove_all (EvView *view);
177 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
180 static void highlight_find_results (EvView *view,
182 static void draw_one_page (EvView *view,
185 GdkRectangle *page_area,
187 GdkRectangle *expose_area,
188 gboolean *page_ready);
189 static void show_loading_window (EvView *view);
190 static void hide_loading_window (EvView *view);
191 static void ev_view_reload_page (EvView *view,
194 static void ev_view_loading_window_move (EvView *view);
197 static void ev_view_change_page (EvView *view,
199 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
202 static void ev_view_page_changed_cb (EvDocumentModel *model,
206 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
210 static void ev_view_finalize (GObject *object);
211 static void ev_view_destroy (GtkObject *object);
212 static void ev_view_class_init (EvViewClass *class);
213 static void ev_view_init (EvView *view);
215 /*** Zoom and sizing ***/
216 static double zoom_for_size_fit_width (gdouble doc_width,
220 static double zoom_for_size_fit_height (gdouble doc_width,
224 static double zoom_for_size_best_fit (gdouble doc_width,
228 static void ev_view_zoom_for_size (EvView *view,
231 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
234 static void ev_view_zoom_for_size_continuous (EvView *view,
237 static void ev_view_zoom_for_size_dual_page (EvView *view,
240 static void ev_view_zoom_for_size_single_page (EvView *view,
244 static void ev_view_set_cursor (EvView *view,
245 EvViewCursor new_cursor);
246 static void ev_view_handle_cursor_over_xy (EvView *view,
251 static gint ev_view_find_get_n_results (EvView *view,
253 static EvRectangle *ev_view_find_get_result (EvView *view,
256 static void jump_to_find_result (EvView *view);
257 static void jump_to_find_page (EvView *view,
258 EvViewFindDirection direction,
262 static void compute_selections (EvView *view,
263 EvSelectionStyle style,
266 static void clear_selection (EvView *view);
267 static void clear_link_selected (EvView *view);
268 static void selection_free (EvViewSelection *selection);
269 static char* get_selected_text (EvView *ev_view);
270 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
271 GtkSelectionData *selection_data,
274 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
276 static void ev_view_update_primary_selection (EvView *ev_view);
278 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_LAYOUT)
280 /* HeightToPage cache */
281 #define EV_HEIGHT_TO_PAGE_CACHE_KEY "ev-height-to-page-cache"
284 build_height_to_page (EvHeightToPageCache *cache,
285 EvDocument *document,
288 gboolean swap, uniform, dual_even_left;
290 double uniform_height, page_height, next_page_height;
292 gdouble u_width, u_height;
295 swap = (rotation == 90 || rotation == 270);
297 uniform = ev_document_is_page_size_uniform (document);
298 n_pages = ev_document_get_n_pages (document);
299 dual_even_left = (n_pages > 2);
301 g_free (cache->height_to_page);
302 g_free (cache->dual_height_to_page);
304 cache->rotation = rotation;
305 cache->height_to_page = g_new0 (gdouble, n_pages + 1);
306 cache->dual_height_to_page = g_new0 (gdouble, n_pages + 2);
309 ev_document_get_page_size (document, 0, &u_width, &u_height);
312 for (i = 0; i <= n_pages; i++) {
314 uniform_height = swap ? u_width : u_height;
315 cache->height_to_page[i] = i * uniform_height;
320 ev_document_get_page_size (document, i, &w, &h);
321 page_height = swap ? w : h;
325 cache->height_to_page[i] = saved_height;
326 saved_height += page_height;
330 if (dual_even_left && !uniform) {
333 ev_document_get_page_size (document, 0, &w, &h);
334 saved_height = swap ? w : h;
339 for (i = dual_even_left; i < n_pages + 2; i += 2) {
341 uniform_height = swap ? u_width : u_height;
342 cache->dual_height_to_page[i] = ((i + dual_even_left) / 2) * uniform_height;
343 if (i + 1 < n_pages + 2)
344 cache->dual_height_to_page[i + 1] = ((i + dual_even_left) / 2) * uniform_height;
346 if (i + 1 < n_pages) {
349 ev_document_get_page_size (document, i + 1, &w, &h);
350 next_page_height = swap ? w : h;
352 next_page_height = 0;
358 ev_document_get_page_size (document, i, &w, &h);
359 page_height = swap ? w : h;
364 if (i + 1 < n_pages + 2) {
365 cache->dual_height_to_page[i] = saved_height;
366 cache->dual_height_to_page[i + 1] = saved_height;
367 saved_height += MAX(page_height, next_page_height);
369 cache->dual_height_to_page[i] = saved_height;
376 ev_height_to_page_cache_get_height (EvHeightToPageCache *cache,
377 EvDocument *document,
381 gdouble *dual_height)
383 if (cache->rotation != rotation)
384 build_height_to_page (cache, document, rotation);
386 *height = cache->height_to_page[page];
387 *dual_height = cache->dual_height_to_page[page];
391 ev_height_to_page_cache_free (EvHeightToPageCache *cache)
393 if (cache->height_to_page) {
394 g_free (cache->height_to_page);
395 cache->height_to_page = NULL;
398 if (cache->dual_height_to_page) {
399 g_free (cache->dual_height_to_page);
400 cache->dual_height_to_page = NULL;
405 static EvHeightToPageCache *
406 ev_view_get_height_to_page_cache (EvView *view)
408 EvHeightToPageCache *cache;
413 cache = g_object_get_data (G_OBJECT (view->document), EV_HEIGHT_TO_PAGE_CACHE_KEY);
415 cache = g_new0 (EvHeightToPageCache, 1);
416 build_height_to_page (cache, view->document, view->rotation);
417 g_object_set_data_full (G_OBJECT (view->document),
418 EV_HEIGHT_TO_PAGE_CACHE_KEY,
420 (GDestroyNotify)ev_height_to_page_cache_free);
427 ev_view_get_height_to_page (EvView *view,
434 if (!view->height_to_page_cache)
437 ev_height_to_page_cache_get_height (view->height_to_page_cache,
443 *height = (gint)(h * view->scale + 0.5);
446 *dual_height = (gint)(dh * view->scale + 0.5);
450 ev_view_get_scrollbar_size (EvView *view,
451 GtkOrientation orientation)
453 GtkWidget *widget = GTK_WIDGET (view);
455 GtkWidget *swindow = gtk_widget_get_parent (GTK_WIDGET (view));
456 GtkAllocation allocation;
460 if (!GTK_IS_SCROLLED_WINDOW (swindow))
463 gtk_widget_get_allocation (widget, &allocation);
465 if (orientation == GTK_ORIENTATION_VERTICAL) {
466 if (allocation.height >= view->requisition.height)
467 sb = gtk_scrolled_window_get_vscrollbar (GTK_SCROLLED_WINDOW (swindow));
471 if (allocation.width >= view->requisition.width)
472 sb = gtk_scrolled_window_get_hscrollbar (GTK_SCROLLED_WINDOW (swindow));
477 gtk_widget_style_get (swindow, "scrollbar_spacing", &spacing, NULL);
478 gtk_widget_size_request (sb, &req);
480 return (orientation == GTK_ORIENTATION_VERTICAL ? req.width : req.height) + spacing;
484 scroll_to_point (EvView *view,
487 GtkOrientation orientation)
490 gdouble upper, lower;
492 if (orientation == GTK_ORIENTATION_VERTICAL) {
493 page_size = gtk_adjustment_get_page_size (view->vadjustment);
494 upper = gtk_adjustment_get_upper (view->vadjustment);
495 lower = gtk_adjustment_get_lower (view->vadjustment);
497 if (view->continuous) {
498 gtk_adjustment_clamp_page (view->vadjustment,
499 y - view->spacing / 2,
502 gtk_adjustment_set_value (view->vadjustment,
503 CLAMP (y, lower, upper - page_size));
506 page_size = gtk_adjustment_get_page_size (view->hadjustment);
507 upper = gtk_adjustment_get_upper (view->hadjustment);
508 lower = gtk_adjustment_get_lower (view->hadjustment);
510 if (view->dual_page) {
511 gtk_adjustment_clamp_page (view->hadjustment, x,
514 gtk_adjustment_set_value (view->hadjustment,
515 CLAMP (x, lower, upper - page_size));
521 ev_view_scroll_to_page_position (EvView *view, GtkOrientation orientation)
528 if ((orientation == GTK_ORIENTATION_VERTICAL && view->pending_point.y == 0) ||
529 (orientation == GTK_ORIENTATION_HORIZONTAL && view->pending_point.x == 0)) {
530 GdkRectangle page_area;
533 get_page_extents (view, view->current_page, &page_area, &border);
539 doc_point_to_view_point (view, view->current_page,
540 &view->pending_point, &view_point);
545 scroll_to_point (view, x, y, orientation);
549 view_set_adjustment_values (EvView *view,
550 GtkOrientation orientation)
552 GtkWidget *widget = GTK_WIDGET (view);
553 GtkAdjustment *adjustment;
554 GtkAllocation allocation;
563 gtk_widget_get_allocation (widget, &allocation);
565 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
566 req_size = view->requisition.width;
567 alloc_size = allocation.width;
568 adjustment = view->hadjustment;
570 req_size = view->requisition.height;
571 alloc_size = allocation.height;
572 adjustment = view->vadjustment;
579 value = gtk_adjustment_get_value (adjustment);
580 upper = gtk_adjustment_get_upper (adjustment);
581 page_size = gtk_adjustment_get_page_size (adjustment);
583 switch (view->pending_scroll) {
584 case SCROLL_TO_KEEP_POSITION:
585 case SCROLL_TO_FIND_LOCATION:
586 factor = value / upper;
588 case SCROLL_TO_PAGE_POSITION:
590 case SCROLL_TO_CENTER:
591 factor = (value + page_size * 0.5) / upper;
595 upper = MAX (alloc_size, req_size);
596 page_size = alloc_size;
598 gtk_adjustment_set_page_size (adjustment, page_size);
599 gtk_adjustment_set_step_increment (adjustment, alloc_size * 0.1);
600 gtk_adjustment_set_page_increment (adjustment, alloc_size * 0.9);
601 gtk_adjustment_set_lower (adjustment, 0);
602 gtk_adjustment_set_upper (adjustment, upper);
605 * We add 0.5 to the values before to average out our rounding errors.
607 switch (view->pending_scroll) {
608 case SCROLL_TO_KEEP_POSITION:
609 case SCROLL_TO_FIND_LOCATION:
610 new_value = CLAMP (upper * factor + 0.5, 0, upper - page_size);
611 gtk_adjustment_set_value (adjustment, (int)new_value);
613 case SCROLL_TO_PAGE_POSITION:
614 ev_view_scroll_to_page_position (view, orientation);
616 case SCROLL_TO_CENTER:
617 new_value = CLAMP (upper * factor - page_size * 0.5 + 0.5,
618 0, upper - page_size);
619 gtk_adjustment_set_value (adjustment, (int)new_value);
623 gtk_adjustment_changed (adjustment);
627 view_update_range_and_current_page (EvView *view)
629 gint start = view->start_page;
630 gint end = view->end_page;
632 if (ev_document_get_n_pages (view->document) <= 0 ||
633 !ev_document_check_dimensions (view->document))
636 if (view->continuous) {
637 GdkRectangle current_area, unused, page_area;
639 gboolean found = FALSE;
640 gint area_max = -1, area;
641 gint best_current_page = -1;
644 if (!(view->vadjustment && view->hadjustment))
647 current_area.x = gtk_adjustment_get_value (view->hadjustment);
648 current_area.width = gtk_adjustment_get_page_size (view->hadjustment);
649 current_area.y = gtk_adjustment_get_value (view->vadjustment);
650 current_area.height = gtk_adjustment_get_page_size (view->vadjustment);
652 for (i = 0; i < ev_document_get_n_pages (view->document); i++) {
654 get_page_extents (view, i, &page_area, &border);
656 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
657 area = unused.width * unused.height;
661 view->start_page = i;
663 best_current_page = i;
665 if (area > area_max) {
666 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
672 } else if (found && view->current_page <= view->end_page) {
673 if (view->dual_page && j < 1) {
674 /* In dual mode we stop searching
675 * after two consecutive non-visible pages.
684 if (view->pending_scroll == SCROLL_TO_KEEP_POSITION) {
685 best_current_page = MAX (best_current_page, view->start_page);
687 if (view->current_page != best_current_page) {
688 view->current_page = best_current_page;
689 hide_loading_window (view);
690 ev_document_model_set_page (view->model, best_current_page);
693 } else if (view->dual_page) {
694 if (view->current_page % 2 == get_dual_even_left (view)) {
695 view->start_page = view->current_page;
696 if (view->current_page + 1 < ev_document_get_n_pages (view->document))
697 view->end_page = view->start_page + 1;
699 view->end_page = view->start_page;
701 if (view->current_page < 1)
702 view->start_page = view->current_page;
704 view->start_page = view->current_page - 1;
705 view->end_page = view->current_page;
708 view->start_page = view->current_page;
709 view->end_page = view->current_page;
712 if (view->start_page == -1 || view->end_page == -1)
715 if (start != view->start_page || end != view->end_page) {
718 for (i = start; i < view->start_page && start != -1; i++) {
719 hide_annotation_windows (view, i);
722 for (i = end; i > view->end_page && end != -1; i--) {
723 hide_annotation_windows (view, i);
727 ev_page_cache_set_page_range (view->page_cache,
730 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
735 view->selection_info.selections);
737 if (ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page))
738 gtk_widget_queue_draw (GTK_WIDGET (view));
742 set_scroll_adjustment (EvView *view,
743 GtkOrientation orientation,
744 GtkAdjustment *adjustment)
746 GtkAdjustment **to_set;
748 if (orientation == GTK_ORIENTATION_HORIZONTAL)
749 to_set = &view->hadjustment;
751 to_set = &view->vadjustment;
753 if (*to_set != adjustment) {
755 g_signal_handlers_disconnect_by_func (*to_set,
756 (gpointer) on_adjustment_value_changed,
758 g_object_unref (*to_set);
761 *to_set = adjustment;
762 view_set_adjustment_values (view, orientation);
765 g_object_ref (*to_set);
766 g_signal_connect (*to_set, "value_changed",
767 G_CALLBACK (on_adjustment_value_changed), view);
773 ev_view_set_scroll_adjustments (GtkLayout *layout,
774 GtkAdjustment *hadjustment,
775 GtkAdjustment *vadjustment)
777 EvView *view = EV_VIEW (layout);
779 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
780 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
782 on_adjustment_value_changed (NULL, view);
786 add_scroll_binding_keypad (GtkBindingSet *binding_set,
788 GdkModifierType modifiers,
789 GtkScrollType scroll,
792 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
794 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
795 "binding_activated", 2,
796 GTK_TYPE_SCROLL_TYPE, scroll,
797 G_TYPE_BOOLEAN, horizontal);
798 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
799 "binding_activated", 2,
800 GTK_TYPE_SCROLL_TYPE, scroll,
801 G_TYPE_BOOLEAN, horizontal);
805 compute_scroll_increment (EvView *view,
806 GtkScrollType scroll)
808 GtkWidget *widget = GTK_WIDGET (view);
809 GtkAdjustment *adjustment = view->vadjustment;
810 GdkRegion *text_region, *region;
811 GtkAllocation allocation;
814 EvRectangle doc_rect;
815 GdkRectangle page_area;
819 gdouble fraction = 1.0;
821 if (scroll != GTK_SCROLL_PAGE_BACKWARD && scroll != GTK_SCROLL_PAGE_FORWARD)
822 return gtk_adjustment_get_page_size (adjustment);
824 page = scroll == GTK_SCROLL_PAGE_BACKWARD ? view->start_page : view->end_page;
826 text_region = ev_page_cache_get_text_mapping (view->page_cache, page);
827 if (!text_region || gdk_region_empty (text_region))
828 return gtk_adjustment_get_page_size (adjustment);
830 gtk_widget_get_allocation (widget, &allocation);
831 get_page_extents (view, page, &page_area, &border);
832 rect.x = page_area.x + view->scroll_x;
833 rect.y = view->scroll_y + (scroll == GTK_SCROLL_PAGE_BACKWARD ? 5 : allocation.height - 5);
834 rect.width = page_area.width;
836 view_rect_to_doc_rect (view, &rect, &page_area, &doc_rect);
838 /* Convert the doc rectangle into a GdkRectangle */
839 rect.x = doc_rect.x1;
840 rect.y = doc_rect.y1;
841 rect.width = doc_rect.x2 - doc_rect.x1;
842 rect.height = MAX (1, doc_rect.y2 - doc_rect.y1);
843 region = gdk_region_rectangle (&rect);
845 gdk_region_intersect (region, text_region);
846 gdk_region_get_rectangles (region, &recs, &n_recs);
847 gdk_region_destroy (region);
852 ev_page = ev_document_get_page (view->document, page);
853 rc = ev_render_context_new (ev_page, view->rotation, view->scale);
854 g_object_unref (ev_page);
855 /* Get the selection region to know the height of the line */
856 doc_rect.x1 = doc_rect.x2 = recs[0].x + 0.5;
857 doc_rect.y1 = doc_rect.y2 = recs[0].y + 0.5;
859 ev_document_doc_mutex_lock ();
860 region = ev_selection_get_selection_region (EV_SELECTION (view->document),
861 rc, EV_SELECTION_STYLE_LINE,
863 ev_document_doc_mutex_unlock ();
867 gdk_region_get_rectangles (region, &recs, &n_recs);
868 gdk_region_destroy (region);
870 fraction = 1 - (recs[0].height / gtk_adjustment_get_page_size (adjustment));
875 return gtk_adjustment_get_page_size (adjustment) * fraction;
880 ev_view_scroll (EvView *view,
881 GtkScrollType scroll,
884 GtkAdjustment *adjustment;
885 double value, increment;
886 gdouble upper, lower;
888 gdouble step_increment;
889 gboolean first_page = FALSE;
890 gboolean last_page = FALSE;
892 view->jump_to_find_result = FALSE;
894 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
896 case GTK_SCROLL_PAGE_BACKWARD:
897 case GTK_SCROLL_STEP_BACKWARD:
898 ev_view_previous_page (view);
900 case GTK_SCROLL_PAGE_FORWARD:
901 case GTK_SCROLL_STEP_FORWARD:
902 ev_view_next_page (view);
910 /* Assign values for increment and vertical adjustment */
911 adjustment = horizontal ? view->hadjustment : view->vadjustment;
912 value = gtk_adjustment_get_value (adjustment);
913 upper = gtk_adjustment_get_upper (adjustment);
914 lower = gtk_adjustment_get_lower (adjustment);
915 page_size = gtk_adjustment_get_page_size (adjustment);
916 step_increment = gtk_adjustment_get_step_increment (adjustment);
918 /* Assign boolean for first and last page */
919 if (view->current_page == 0)
921 if (view->current_page == ev_document_get_n_pages (view->document) - 1)
925 case GTK_SCROLL_PAGE_BACKWARD:
926 /* Do not jump backwards if at the first page */
927 if (value == lower && first_page) {
929 /* At the top of a page, assign the upper bound limit of previous page */
930 } else if (value == lower) {
931 value = upper - page_size;
932 ev_view_previous_page (view);
933 /* Jump to the top */
935 increment = compute_scroll_increment (view, GTK_SCROLL_PAGE_BACKWARD);
936 value = MAX (value - increment, lower);
939 case GTK_SCROLL_PAGE_FORWARD:
940 /* Do not jump forward if at the last page */
941 if (value == (upper - page_size) && last_page) {
943 /* At the bottom of a page, assign the lower bound limit of next page */
944 } else if (value == (upper - page_size)) {
946 ev_view_next_page (view);
947 /* Jump to the bottom */
949 increment = compute_scroll_increment (view, GTK_SCROLL_PAGE_FORWARD);
950 value = MIN (value + increment, upper - page_size);
953 case GTK_SCROLL_STEP_BACKWARD:
954 value -= step_increment;
956 case GTK_SCROLL_STEP_FORWARD:
957 value += step_increment;
959 case GTK_SCROLL_STEP_DOWN:
960 value -= step_increment / 10;
962 case GTK_SCROLL_STEP_UP:
963 value += step_increment / 10;
969 value = CLAMP (value, lower, upper - page_size);
971 gtk_adjustment_set_value (adjustment, value);
977 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
979 GtkWidget *widget = GTK_WIDGET (view);
980 GtkAdjustment *adjustment;
981 GtkAllocation allocation;
985 view->pending_scroll = SCROLL_TO_FIND_LOCATION;
987 gtk_widget_get_allocation (widget, &allocation);
989 adjustment = view->vadjustment;
990 adj_value = gtk_adjustment_get_value (adjustment);
992 if (rect->y < adj_value) {
993 value = MAX (gtk_adjustment_get_lower (adjustment), rect->y - MARGIN);
994 gtk_adjustment_set_value (view->vadjustment, value);
995 } else if (rect->y + rect->height > adj_value + allocation.height) {
996 value = MIN (gtk_adjustment_get_upper (adjustment), rect->y + rect->height -
997 allocation.height + MARGIN);
998 gtk_adjustment_set_value (view->vadjustment, value);
1001 adjustment = view->hadjustment;
1002 adj_value = gtk_adjustment_get_value (adjustment);
1004 if (rect->x < adj_value) {
1005 value = MAX (gtk_adjustment_get_lower (adjustment), rect->x - MARGIN);
1006 gtk_adjustment_set_value (view->hadjustment, value);
1007 } else if (rect->x + rect->height > adj_value + allocation.width) {
1008 value = MIN (gtk_adjustment_get_upper (adjustment), rect->x + rect->width -
1009 allocation.width + MARGIN);
1010 gtk_adjustment_set_value (view->hadjustment, value);
1013 gtk_widget_queue_resize (GTK_WIDGET (view));
1016 /*** Geometry computations ***/
1019 compute_border (EvView *view, int width, int height, GtkBorder *border)
1021 ev_document_misc_get_page_border_size (width, height, border);
1025 _get_page_size_for_scale_and_rotation (EvDocument *document,
1035 ev_document_get_page_size (document, page, &w, &h);
1037 width = (gint)(w * scale + 0.5);
1038 height = (gint)(h * scale + 0.5);
1041 *page_width = (rotation == 0 || rotation == 180) ? width : height;
1043 *page_height = (rotation == 0 || rotation == 180) ? height : width;
1047 ev_view_get_page_size (EvView *view,
1052 _get_page_size_for_scale_and_rotation (view->document,
1061 ev_view_get_max_page_size (EvView *view,
1068 ev_document_get_max_page_size (view->document, &w, &h);
1070 width = (gint)(w * view->scale + 0.5);
1071 height = (gint)(h * view->scale + 0.5);
1074 *max_width = (view->rotation == 0 || view->rotation == 180) ? width : height;
1076 *max_height = (view->rotation == 0 || view->rotation == 180) ? height : width;
1080 get_page_y_offset (EvView *view, int page, int *y_offset)
1082 int max_width, offset;
1085 g_return_if_fail (y_offset != NULL);
1087 ev_view_get_max_page_size (view, &max_width, NULL);
1088 compute_border (view, max_width, max_width, &border);
1090 if (view->dual_page) {
1091 ev_view_get_height_to_page (view, page, NULL, &offset);
1092 offset += ((page + get_dual_even_left (view)) / 2 + 1) * view->spacing +
1093 ((page + get_dual_even_left (view)) / 2 ) * (border.top + border.bottom);
1095 ev_view_get_height_to_page (view, page, &offset, NULL);
1096 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
1104 get_page_extents (EvView *view,
1106 GdkRectangle *page_area,
1111 GtkAllocation allocation;
1113 widget = GTK_WIDGET (view);
1114 gtk_widget_get_allocation (widget, &allocation);
1116 /* Get the size of the page */
1117 ev_view_get_page_size (view, page, &width, &height);
1118 compute_border (view, width, height, border);
1119 page_area->width = width + border->left + border->right;
1120 page_area->height = height + border->top + border->bottom;
1122 if (view->continuous) {
1126 ev_view_get_max_page_size (view, &max_width, NULL);
1127 max_width = max_width + border->left + border->right;
1128 /* Get the location of the bounding box */
1129 if (view->dual_page) {
1130 x = view->spacing + ((page % 2 == get_dual_even_left (view)) ? 0 : 1) * (max_width + view->spacing);
1131 x = x + MAX (0, allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
1132 if (page % 2 == get_dual_even_left (view))
1133 x = x + (max_width - width - border->left - border->right);
1136 x = x + MAX (0, allocation.width - (width + view->spacing * 2)) / 2;
1139 get_page_y_offset (view, page, &y);
1145 if (view->dual_page) {
1146 gint width_2, height_2;
1147 gint max_width = width;
1148 gint max_height = height;
1149 GtkBorder overall_border;
1152 other_page = (page % 2 == get_dual_even_left (view)) ? page + 1: page - 1;
1154 /* First, we get the bounding box of the two pages */
1155 if (other_page < ev_document_get_n_pages (view->document)
1156 && (0 <= other_page)) {
1157 ev_view_get_page_size (view, other_page,
1158 &width_2, &height_2);
1159 if (width_2 > width)
1160 max_width = width_2;
1161 if (height_2 > height)
1162 max_height = height_2;
1164 compute_border (view, max_width, max_height, &overall_border);
1166 /* Find the offsets */
1170 /* Adjust for being the left or right page */
1171 if (page % 2 == get_dual_even_left (view))
1172 x = x + max_width - width;
1174 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
1176 y = y + (max_height - height)/2;
1178 /* Adjust for extra allocation */
1179 x = x + MAX (0, allocation.width -
1180 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
1181 y = y + MAX (0, allocation.height - (height + view->spacing * 2))/2;
1186 /* Adjust for extra allocation */
1187 x = x + MAX (0, allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
1188 y = y + MAX (0, allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
1199 get_doc_page_size (EvView *view,
1206 ev_document_get_page_size (view->document, page, &w, &h);
1207 if (view->rotation == 0 || view->rotation == 180) {
1208 if (width) *width = w;
1209 if (height) *height = h;
1211 if (width) *width = h;
1212 if (height) *height = w;
1217 view_point_to_doc_point (EvView *view,
1218 GdkPoint *view_point,
1219 GdkRectangle *page_area,
1220 double *doc_point_x,
1221 double *doc_point_y)
1223 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
1224 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
1228 view_rect_to_doc_rect (EvView *view,
1229 GdkRectangle *view_rect,
1230 GdkRectangle *page_area,
1231 EvRectangle *doc_rect)
1233 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
1234 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
1235 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
1236 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
1240 doc_point_to_view_point (EvView *view,
1243 GdkPoint *view_point)
1245 GdkRectangle page_area;
1247 double x, y, view_x, view_y;
1248 gdouble width, height;
1250 get_doc_page_size (view, page, &width, &height);
1252 if (view->rotation == 0) {
1255 } else if (view->rotation == 90) {
1256 x = width - doc_point->y;
1258 } else if (view->rotation == 180) {
1259 x = width - doc_point->x;
1260 y = height - doc_point->y;
1261 } else if (view->rotation == 270) {
1263 y = height - doc_point->x;
1265 g_assert_not_reached ();
1268 get_page_extents (view, page, &page_area, &border);
1270 view_x = CLAMP (x * view->scale, 0, page_area.width);
1271 view_y = CLAMP (y * view->scale, 0, page_area.height);
1272 view_point->x = view_x + page_area.x;
1273 view_point->y = view_y + page_area.y;
1277 doc_rect_to_view_rect (EvView *view,
1279 EvRectangle *doc_rect,
1280 GdkRectangle *view_rect)
1282 GdkRectangle page_area;
1285 gdouble width, height;
1287 get_doc_page_size (view, page, &width, &height);
1289 if (view->rotation == 0) {
1292 w = doc_rect->x2 - doc_rect->x1;
1293 h = doc_rect->y2 - doc_rect->y1;
1294 } else if (view->rotation == 90) {
1295 x = width - doc_rect->y2;
1297 w = doc_rect->y2 - doc_rect->y1;
1298 h = doc_rect->x2 - doc_rect->x1;
1299 } else if (view->rotation == 180) {
1300 x = width - doc_rect->x2;
1301 y = height - doc_rect->y2;
1302 w = doc_rect->x2 - doc_rect->x1;
1303 h = doc_rect->y2 - doc_rect->y1;
1304 } else if (view->rotation == 270) {
1306 y = height - doc_rect->x2;
1307 w = doc_rect->y2 - doc_rect->y1;
1308 h = doc_rect->x2 - doc_rect->x1;
1310 g_assert_not_reached ();
1313 get_page_extents (view, page, &page_area, &border);
1315 view_rect->x = x * view->scale + page_area.x;
1316 view_rect->y = y * view->scale + page_area.y;
1317 view_rect->width = w * view->scale;
1318 view_rect->height = h * view->scale;
1322 get_dual_even_left (EvView *view)
1324 return (ev_document_get_n_pages (view->document) > 2);
1328 find_page_at_location (EvView *view,
1337 if (view->document == NULL)
1341 g_assert (x_offset);
1342 g_assert (y_offset);
1344 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
1345 GdkRectangle page_area;
1348 if (! get_page_extents (view, i, &page_area, &border))
1351 if ((x >= page_area.x + border.left) &&
1352 (x < page_area.x + page_area.width - border.right) &&
1353 (y >= page_area.y + border.top) &&
1354 (y < page_area.y + page_area.height - border.bottom)) {
1356 *x_offset = x - (page_area.x + border.left);
1357 *y_offset = y - (page_area.y + border.top);
1366 location_in_text (EvView *view,
1372 gint x_offset = 0, y_offset = 0;
1374 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1379 region = ev_page_cache_get_text_mapping (view->page_cache, page);
1382 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1388 location_in_selected_text (EvView *view,
1393 gint x_offset = 0, y_offset = 0;
1394 EvViewSelection *selection;
1397 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1398 selection = (EvViewSelection *)l->data;
1400 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1402 if (page != selection->page)
1405 if (selection->covered_region &&
1406 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1414 get_doc_point_from_offset (EvView *view,
1421 gdouble width, height;
1424 get_doc_page_size (view, page, &width, &height);
1426 x_offset = x_offset / view->scale;
1427 y_offset = y_offset / view->scale;
1429 if (view->rotation == 0) {
1432 } else if (view->rotation == 90) {
1434 y = width - x_offset;
1435 } else if (view->rotation == 180) {
1436 x = width - x_offset;
1437 y = height - y_offset;
1438 } else if (view->rotation == 270) {
1439 x = height - y_offset;
1442 g_assert_not_reached ();
1452 get_doc_point_from_location (EvView *view,
1459 gint x_offset = 0, y_offset = 0;
1461 x += view->scroll_x;
1462 y += view->scroll_y;
1463 find_page_at_location (view, x, y, page, &x_offset, &y_offset);
1467 return get_doc_point_from_offset (view, *page, x_offset, y_offset, x_new, y_new);
1471 ev_view_get_area_from_mapping (EvView *view,
1473 GList *mapping_list,
1479 mapping = ev_mapping_list_find (mapping_list, data);
1480 doc_rect_to_view_rect (view, page, &mapping->area, area);
1481 area->x -= view->scroll_x;
1482 area->y -= view->scroll_y;
1488 ev_view_get_link_at_location (EvView *view,
1493 gint x_new = 0, y_new = 0;
1494 GList *link_mapping;
1496 if (!EV_IS_DOCUMENT_LINKS (view->document))
1499 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1502 link_mapping = ev_page_cache_get_link_mapping (view->page_cache, page);
1505 return ev_mapping_list_get_data (link_mapping, x_new, y_new);
1511 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1514 gdouble zoom, left, top;
1515 gboolean change_left, change_top;
1516 GtkAllocation allocation;
1518 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1520 left = ev_link_dest_get_left (dest, &change_left);
1521 top = ev_link_dest_get_top (dest, &change_top);
1523 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - left,
1524 ev_link_dest_get_bottom (dest) - top,
1528 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1529 ev_document_model_set_scale (view->model, zoom);
1531 doc_point.x = change_left ? left : 0;
1532 doc_point.y = change_top ? top : 0;
1533 view->pending_point = doc_point;
1535 ev_view_change_page (view, ev_link_dest_get_page (dest));
1539 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1542 gdouble doc_width, doc_height;
1545 gboolean change_left;
1546 GtkAllocation allocation;
1548 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1550 page = ev_link_dest_get_page (dest);
1551 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1553 left = ev_link_dest_get_left (dest, &change_left);
1554 doc_point.x = change_left ? left : 0;
1557 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1561 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1562 ev_document_model_set_scale (view->model, zoom);
1564 view->pending_point = doc_point;
1566 ev_view_change_page (view, page);
1570 goto_fith_dest (EvView *view, EvLinkDest *dest)
1573 gdouble doc_width, doc_height;
1576 gboolean change_top;
1577 GtkAllocation allocation;
1579 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1581 page = ev_link_dest_get_page (dest);
1582 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1584 top = ev_link_dest_get_top (dest, &change_top);
1587 doc_point.y = change_top ? top : 0;
1589 zoom = zoom_for_size_fit_width (doc_width, top,
1593 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FIT_WIDTH);
1594 ev_document_model_set_scale (view->model, zoom);
1596 view->pending_point = doc_point;
1598 ev_view_change_page (view, page);
1602 goto_fit_dest (EvView *view, EvLinkDest *dest)
1605 gdouble doc_width, doc_height;
1607 GtkAllocation allocation;
1609 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1611 page = ev_link_dest_get_page (dest);
1612 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1614 zoom = zoom_for_size_best_fit (doc_width, doc_height,
1618 ev_document_model_set_sizing_mode (view->model, EV_SIZING_BEST_FIT);
1619 ev_document_model_set_scale (view->model, zoom);
1621 ev_view_change_page (view, page);
1625 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1629 gdouble zoom, left, top;
1630 gboolean change_zoom, change_left, change_top;
1632 zoom = ev_link_dest_get_zoom (dest, &change_zoom);
1633 page = ev_link_dest_get_page (dest);
1635 if (change_zoom && zoom > 1) {
1636 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1637 ev_document_model_set_scale (view->model, zoom);
1640 left = ev_link_dest_get_left (dest, &change_left);
1641 top = ev_link_dest_get_top (dest, &change_top);
1643 doc_point.x = change_left ? left : 0;
1644 doc_point.y = change_top ? top : 0;
1645 view->pending_point = doc_point;
1647 ev_view_change_page (view, page);
1651 goto_dest (EvView *view, EvLinkDest *dest)
1653 EvLinkDestType type;
1654 int page, n_pages, current_page;
1656 page = ev_link_dest_get_page (dest);
1657 n_pages = ev_document_get_n_pages (view->document);
1659 if (page < 0 || page >= n_pages)
1662 current_page = view->current_page;
1664 type = ev_link_dest_get_dest_type (dest);
1667 case EV_LINK_DEST_TYPE_PAGE:
1668 ev_document_model_set_page (view->model, page);
1670 case EV_LINK_DEST_TYPE_FIT:
1671 goto_fit_dest (view, dest);
1673 case EV_LINK_DEST_TYPE_FITH:
1674 goto_fith_dest (view, dest);
1676 case EV_LINK_DEST_TYPE_FITV:
1677 goto_fitv_dest (view, dest);
1679 case EV_LINK_DEST_TYPE_FITR:
1680 goto_fitr_dest (view, dest);
1682 case EV_LINK_DEST_TYPE_XYZ:
1683 goto_xyz_dest (view, dest);
1685 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1686 ev_document_model_set_page_by_label (view->model, ev_link_dest_get_page_label (dest));
1689 g_assert_not_reached ();
1692 if (current_page != view->current_page)
1693 ev_document_model_set_page (view->model, view->current_page);
1697 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1699 EvLinkDestType type;
1701 type = ev_link_dest_get_dest_type (dest);
1703 if (type == EV_LINK_DEST_TYPE_NAMED) {
1705 const gchar *named_dest;
1707 named_dest = ev_link_dest_get_named_dest (dest);
1708 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1711 goto_dest (view, dest2);
1712 g_object_unref (dest2);
1718 goto_dest (view, dest);
1722 ev_view_handle_link (EvView *view, EvLink *link)
1724 EvLinkAction *action = NULL;
1725 EvLinkActionType type;
1727 action = ev_link_get_action (link);
1731 type = ev_link_action_get_action_type (action);
1734 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1737 g_signal_emit (view, signals[SIGNAL_HANDLE_LINK], 0, link);
1739 dest = ev_link_action_get_dest (action);
1740 ev_view_goto_dest (view, dest);
1743 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1744 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1745 case EV_LINK_ACTION_TYPE_LAUNCH:
1746 case EV_LINK_ACTION_TYPE_NAMED:
1747 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1753 tip_from_action_named (EvLinkAction *action)
1755 const gchar *name = ev_link_action_get_name (action);
1757 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1758 return g_strdup (_("Go to first page"));
1759 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1760 return g_strdup (_("Go to previous page"));
1761 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1762 return g_strdup (_("Go to next page"));
1763 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1764 return g_strdup (_("Go to last page"));
1765 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1766 return g_strdup (_("Go to page"));
1767 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1768 return g_strdup (_("Find"));
1775 tip_from_link (EvView *view, EvLink *link)
1777 EvLinkAction *action;
1778 EvLinkActionType type;
1783 action = ev_link_get_action (link);
1784 title = ev_link_get_title (link);
1787 return title ? g_strdup (title) : NULL;
1789 type = ev_link_action_get_action_type (action);
1792 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1793 page_label = ev_document_links_get_dest_page_label (EV_DOCUMENT_LINKS (view->document),
1794 ev_link_action_get_dest (action));
1796 msg = g_strdup_printf (_("Go to page %s"), page_label);
1797 g_free (page_label);
1800 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1802 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1803 ev_link_action_get_filename (action));
1805 msg = g_strdup_printf (_("Go to file “%s”"),
1806 ev_link_action_get_filename (action));
1809 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1810 msg = g_strdup (ev_link_action_get_uri (action));
1812 case EV_LINK_ACTION_TYPE_LAUNCH:
1813 msg = g_strdup_printf (_("Launch %s"),
1814 ev_link_action_get_filename (action));
1816 case EV_LINK_ACTION_TYPE_NAMED:
1817 msg = tip_from_action_named (action);
1821 msg = g_strdup (title);
1829 ev_view_handle_cursor_over_xy (EvView *view, gint x, gint y)
1833 EvAnnotation *annot = NULL;
1835 if (view->cursor == EV_VIEW_CURSOR_HIDDEN)
1838 if (view->drag_info.in_drag) {
1839 if (view->cursor != EV_VIEW_CURSOR_DRAG)
1840 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1844 if (view->scroll_info.autoscrolling) {
1845 if (view->cursor != EV_VIEW_CURSOR_AUTOSCROLL)
1846 ev_view_set_cursor (view, EV_VIEW_CURSOR_AUTOSCROLL);
1850 link = ev_view_get_link_at_location (view, x, y);
1852 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1853 } else if ((field = ev_view_get_form_field_at_location (view, x, y))) {
1854 if (field->is_read_only) {
1855 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1856 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1857 view->cursor == EV_VIEW_CURSOR_DRAG)
1858 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1859 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
1860 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1862 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1864 } else if ((annot = ev_view_get_annotation_at_location (view, x, y))) {
1865 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1866 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1867 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1869 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1870 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1871 view->cursor == EV_VIEW_CURSOR_DRAG ||
1872 view->cursor == EV_VIEW_CURSOR_AUTOSCROLL)
1873 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1877 g_object_set (view, "has-tooltip", TRUE, NULL);
1882 ev_view_get_image_at_location (EvView *view,
1887 gint x_new = 0, y_new = 0;
1888 GList *image_mapping;
1890 if (!EV_IS_DOCUMENT_IMAGES (view->document))
1893 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1896 image_mapping = ev_page_cache_get_image_mapping (view->page_cache, page);
1899 return ev_mapping_list_get_data (image_mapping, x_new, y_new);
1905 static EvFormField *
1906 ev_view_get_form_field_at_location (EvView *view,
1911 gint x_new = 0, y_new = 0;
1912 GList *forms_mapping;
1914 if (!EV_IS_DOCUMENT_FORMS (view->document))
1917 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1920 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache, page);
1923 return ev_mapping_list_get_data (forms_mapping, x_new, y_new);
1929 ev_view_form_field_get_region (EvView *view,
1932 GdkRectangle view_area;
1933 GList *forms_mapping;
1935 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
1936 field->page->index);
1937 ev_view_get_area_from_mapping (view, field->page->index,
1941 return gdk_region_rectangle (&view_area);
1945 ev_view_forms_remove_widgets (EvView *view)
1947 ev_view_remove_all (view);
1953 ev_view_form_field_destroy (GtkWidget *widget,
1956 g_idle_add ((GSourceFunc)ev_view_forms_remove_widgets, view);
1960 ev_view_form_field_button_create_widget (EvView *view,
1963 EvFormFieldButton *field_button = EV_FORM_FIELD_BUTTON (field);
1964 GdkRegion *field_region = NULL;
1966 switch (field_button->type) {
1967 case EV_FORM_FIELD_BUTTON_PUSH:
1969 case EV_FORM_FIELD_BUTTON_CHECK:
1970 case EV_FORM_FIELD_BUTTON_RADIO: {
1972 GList *forms_mapping, *l;
1974 state = ev_document_forms_form_field_button_get_state (EV_DOCUMENT_FORMS (view->document),
1977 /* FIXME: it actually depends on NoToggleToOff flags */
1978 if (field_button->type == EV_FORM_FIELD_BUTTON_RADIO &&
1979 state && field_button->state)
1982 field_region = ev_view_form_field_get_region (view, field);
1984 /* For radio buttons and checkbox buttons that are in a set
1985 * we need to update also the region for the current selected item
1987 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
1988 field->page->index);
1989 for (l = forms_mapping; l; l = g_list_next (l)) {
1990 EvFormField *button = ((EvMapping *)(l->data))->data;
1991 GdkRegion *button_region;
1993 if (button->id == field->id)
1996 /* FIXME: only buttons in the same group should be updated */
1997 if (!EV_IS_FORM_FIELD_BUTTON (button) ||
1998 EV_FORM_FIELD_BUTTON (button)->type != field_button->type ||
1999 EV_FORM_FIELD_BUTTON (button)->state != TRUE)
2002 button_region = ev_view_form_field_get_region (view, button);
2003 gdk_region_union (field_region, button_region);
2004 gdk_region_destroy (button_region);
2007 ev_document_forms_form_field_button_set_state (EV_DOCUMENT_FORMS (view->document),
2009 field_button->state = !state;
2014 ev_view_reload_page (view, field->page->index, field_region);
2015 gdk_region_destroy (field_region);
2021 ev_view_form_field_text_save (EvView *view,
2026 if (!view->document)
2029 field = g_object_get_data (G_OBJECT (widget), "form-field");
2031 if (field->changed) {
2032 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2033 GdkRegion *field_region;
2035 field_region = ev_view_form_field_get_region (view, field);
2037 ev_document_forms_form_field_text_set_text (EV_DOCUMENT_FORMS (view->document),
2038 field, field_text->text);
2039 field->changed = FALSE;
2040 ev_view_reload_page (view, field->page->index, field_region);
2041 gdk_region_destroy (field_region);
2046 ev_view_form_field_text_changed (GtkWidget *widget,
2049 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2052 if (GTK_IS_ENTRY (widget)) {
2053 text = g_strdup (gtk_entry_get_text (GTK_ENTRY (widget)));
2054 } else if (GTK_IS_TEXT_BUFFER (widget)) {
2055 GtkTextIter start, end;
2057 gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (widget), &start, &end);
2058 text = gtk_text_buffer_get_text (GTK_TEXT_BUFFER (widget),
2059 &start, &end, FALSE);
2062 if (!field_text->text ||
2063 (field_text->text && g_ascii_strcasecmp (field_text->text, text) != 0)) {
2064 g_free (field_text->text);
2065 field_text->text = text;
2066 field->changed = TRUE;
2071 ev_view_form_field_text_create_widget (EvView *view,
2074 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2075 GtkWidget *text = NULL;
2078 txt = ev_document_forms_form_field_text_get_text (EV_DOCUMENT_FORMS (view->document),
2081 switch (field_text->type) {
2082 case EV_FORM_FIELD_TEXT_FILE_SELECT:
2084 case EV_FORM_FIELD_TEXT_NORMAL:
2085 text = gtk_entry_new ();
2086 gtk_entry_set_has_frame (GTK_ENTRY (text), FALSE);
2087 gtk_entry_set_max_length (GTK_ENTRY (text), field_text->max_len);
2088 gtk_entry_set_visibility (GTK_ENTRY (text), !field_text->is_password);
2091 gtk_entry_set_text (GTK_ENTRY (text), txt);
2095 g_signal_connect (text, "changed",
2096 G_CALLBACK (ev_view_form_field_text_changed),
2098 g_signal_connect_after (text, "activate",
2099 G_CALLBACK (ev_view_form_field_destroy),
2102 case EV_FORM_FIELD_TEXT_MULTILINE: {
2103 GtkTextBuffer *buffer;
2105 text = gtk_text_view_new ();
2106 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text));
2109 gtk_text_buffer_set_text (buffer, txt, -1);
2113 g_signal_connect (buffer, "changed",
2114 G_CALLBACK (ev_view_form_field_text_changed),
2120 g_object_weak_ref (G_OBJECT (text),
2121 (GWeakNotify)ev_view_form_field_text_save,
2128 ev_view_form_field_choice_save (EvView *view,
2133 if (!view->document)
2136 field = g_object_get_data (G_OBJECT (widget), "form-field");
2138 if (field->changed) {
2140 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2141 GdkRegion *field_region;
2143 field_region = ev_view_form_field_get_region (view, field);
2145 if (field_choice->is_editable) {
2146 ev_document_forms_form_field_choice_set_text (EV_DOCUMENT_FORMS (view->document),
2147 field, field_choice->text);
2149 ev_document_forms_form_field_choice_unselect_all (EV_DOCUMENT_FORMS (view->document), field);
2150 for (l = field_choice->selected_items; l; l = g_list_next (l)) {
2151 ev_document_forms_form_field_choice_select_item (EV_DOCUMENT_FORMS (view->document),
2153 GPOINTER_TO_INT (l->data));
2156 field->changed = FALSE;
2157 ev_view_reload_page (view, field->page->index, field_region);
2158 gdk_region_destroy (field_region);
2163 ev_view_form_field_choice_changed (GtkWidget *widget,
2166 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2168 if (GTK_IS_COMBO_BOX (widget)) {
2171 item = gtk_combo_box_get_active (GTK_COMBO_BOX (widget));
2172 if (!field_choice->selected_items ||
2173 GPOINTER_TO_INT (field_choice->selected_items->data) != item) {
2174 g_list_free (field_choice->selected_items);
2175 field_choice->selected_items = NULL;
2176 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2177 GINT_TO_POINTER (item));
2178 field->changed = TRUE;
2181 if (GTK_IS_COMBO_BOX_ENTRY (widget)) {
2184 text = gtk_combo_box_get_active_text (GTK_COMBO_BOX (widget));
2185 if (!field_choice->text ||
2186 (field_choice->text && g_ascii_strcasecmp (field_choice->text, text) != 0)) {
2187 g_free (field_choice->text);
2188 field_choice->text = text;
2189 field->changed = TRUE;
2192 } else if (GTK_IS_TREE_SELECTION (widget)) {
2193 GtkTreeSelection *selection = GTK_TREE_SELECTION (widget);
2194 GtkTreeModel *model;
2197 items = gtk_tree_selection_get_selected_rows (selection, &model);
2198 g_list_free (field_choice->selected_items);
2199 field_choice->selected_items = NULL;
2201 for (l = items; l && l->data; l = g_list_next (l)) {
2203 GtkTreePath *path = (GtkTreePath *)l->data;
2206 gtk_tree_model_get_iter (model, &iter, path);
2207 gtk_tree_model_get (model, &iter, 1, &item, -1);
2209 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2210 GINT_TO_POINTER (item));
2212 gtk_tree_path_free (path);
2215 g_list_free (items);
2217 field->changed = TRUE;
2222 ev_view_form_field_choice_create_widget (EvView *view,
2225 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2227 GtkTreeModel *model;
2229 gint selected_item = 0;
2231 n_items = ev_document_forms_form_field_choice_get_n_items (EV_DOCUMENT_FORMS (view->document),
2233 model = GTK_TREE_MODEL (gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT));
2234 for (i = 0; i < n_items; i++) {
2238 item = ev_document_forms_form_field_choice_get_item (EV_DOCUMENT_FORMS (view->document),
2240 if (ev_document_forms_form_field_choice_is_item_selected (
2241 EV_DOCUMENT_FORMS (view->document), field, i)) {
2243 /* FIXME: we need a get_selected_items function in poppler */
2244 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2245 GINT_TO_POINTER (i));
2249 gtk_list_store_append (GTK_LIST_STORE (model), &iter);
2250 gtk_list_store_set (GTK_LIST_STORE (model), &iter,
2258 if (field_choice->type == EV_FORM_FIELD_CHOICE_LIST) {
2259 GtkCellRenderer *renderer;
2260 GtkWidget *tree_view;
2261 GtkTreeSelection *selection;
2263 tree_view = gtk_tree_view_new_with_model (model);
2264 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);
2266 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
2267 if (field_choice->multi_select) {
2268 gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
2271 /* TODO: set selected items */
2273 renderer = gtk_cell_renderer_text_new ();
2274 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
2280 choice = gtk_scrolled_window_new (NULL, NULL);
2281 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (choice),
2282 GTK_POLICY_AUTOMATIC,
2283 GTK_POLICY_AUTOMATIC);
2284 gtk_container_add (GTK_CONTAINER (choice), tree_view);
2285 gtk_widget_show (tree_view);
2287 g_signal_connect (selection, "changed",
2288 G_CALLBACK (ev_view_form_field_choice_changed),
2290 g_signal_connect_after (selection, "changed",
2291 G_CALLBACK (ev_view_form_field_destroy),
2293 } else if (field_choice->is_editable) { /* ComboBoxEntry */
2296 choice = gtk_combo_box_entry_new_with_model (model, 0);
2297 text = ev_document_forms_form_field_choice_get_text (EV_DOCUMENT_FORMS (view->document), field);
2299 gtk_entry_set_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (choice))), text);
2303 g_signal_connect (choice, "changed",
2304 G_CALLBACK (ev_view_form_field_choice_changed),
2306 g_signal_connect_after (gtk_bin_get_child (GTK_BIN (choice)),
2308 G_CALLBACK (ev_view_form_field_destroy),
2310 } else { /* ComboBoxText */
2311 GtkCellRenderer *renderer;
2313 choice = gtk_combo_box_new_with_model (model);
2314 renderer = gtk_cell_renderer_text_new ();
2315 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (choice),
2317 gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (choice),
2321 gtk_combo_box_set_active (GTK_COMBO_BOX (choice), selected_item);
2322 gtk_combo_box_popup (GTK_COMBO_BOX (choice));
2324 g_signal_connect (choice, "changed",
2325 G_CALLBACK (ev_view_form_field_choice_changed),
2327 g_signal_connect_after (choice, "changed",
2328 G_CALLBACK (ev_view_form_field_destroy),
2332 g_object_unref (model);
2334 g_object_weak_ref (G_OBJECT (choice),
2335 (GWeakNotify)ev_view_form_field_choice_save,
2342 ev_view_handle_form_field (EvView *view,
2347 GtkWidget *field_widget = NULL;
2348 GList *form_field_mapping;
2349 GdkRectangle view_area;
2351 if (field->is_read_only)
2354 if (EV_IS_FORM_FIELD_BUTTON (field)) {
2355 field_widget = ev_view_form_field_button_create_widget (view, field);
2356 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
2357 field_widget = ev_view_form_field_text_create_widget (view, field);
2358 } else if (EV_IS_FORM_FIELD_CHOICE (field)) {
2359 field_widget = ev_view_form_field_choice_create_widget (view, field);
2360 } else if (EV_IS_FORM_FIELD_SIGNATURE (field)) {
2364 /* Form field doesn't require a widget */
2368 g_object_set_data_full (G_OBJECT (field_widget), "form-field",
2369 g_object_ref (field),
2370 (GDestroyNotify)g_object_unref);
2372 form_field_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
2373 field->page->index);
2374 ev_view_get_area_from_mapping (view, field->page->index,
2378 gtk_layout_put (GTK_LAYOUT (view), field_widget, view_area.x, view_area.y);
2379 gtk_widget_show (field_widget);
2380 gtk_widget_grab_focus (field_widget);
2384 static EvViewWindowChild *
2385 ev_view_get_window_child (EvView *view,
2388 GList *children = view->window_children;
2391 EvViewWindowChild *child;
2393 child = (EvViewWindowChild *)children->data;
2394 children = children->next;
2396 if (child->window == window)
2404 ev_view_window_child_move (EvView *view,
2405 EvViewWindowChild *child,
2411 gtk_window_move (GTK_WINDOW (child->window),
2412 MAX (child->parent_x, x),
2413 MAX (child->parent_y, y));
2417 ev_view_window_child_move_with_parent (EvView *view,
2420 EvViewWindowChild *child;
2421 gint root_x, root_y;
2423 child = ev_view_get_window_child (view, window);
2424 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2426 if (root_x != child->parent_x || root_y != child->parent_y) {
2427 gint dest_x, dest_y;
2429 dest_x = child->x + (root_x - child->parent_x);
2430 dest_y = child->y + (root_y - child->parent_y);
2431 child->parent_x = root_x;
2432 child->parent_y = root_y;
2433 ev_view_window_child_move (view, child, dest_x, dest_y);
2436 if (child->visible && !gtk_widget_get_visible (window))
2437 gtk_widget_show (window);
2441 ev_view_window_child_put (EvView *view,
2449 EvViewWindowChild *child;
2450 gint root_x, root_y;
2452 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2455 child = g_new0 (EvViewWindowChild, 1);
2456 child->window = window;
2458 child->orig_x = orig_x;
2459 child->orig_y = orig_y;
2460 child->parent_x = root_x;
2461 child->parent_y = root_y;
2462 child->visible = ev_annotation_window_is_open (EV_ANNOTATION_WINDOW (window));
2463 ev_view_window_child_move (view, child, x + root_x, y + root_y);
2466 gtk_widget_show (window);
2468 gtk_widget_hide (window);
2470 view->window_children = g_list_append (view->window_children, child);
2473 static EvViewWindowChild *
2474 ev_view_find_window_child_for_annot (EvView *view,
2476 EvAnnotation *annot)
2478 GList *children = view->window_children;
2481 EvViewWindowChild *child;
2482 EvAnnotation *wannot;
2484 child = (EvViewWindowChild *)children->data;
2485 children = children->next;
2487 if (child->page != page)
2490 wannot = ev_annotation_window_get_annotation (EV_ANNOTATION_WINDOW (child->window));
2491 if (wannot == annot || strcmp (wannot->name, annot->name) == 0)
2499 ev_view_window_children_free (EvView *view)
2503 if (!view->window_children)
2506 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
2507 EvViewWindowChild *child;
2509 child = (EvViewWindowChild *)l->data;
2510 gtk_widget_destroy (GTK_WIDGET (child->window));
2513 g_list_free (view->window_children);
2514 view->window_children = NULL;
2515 view->window_child_focus = NULL;
2519 annotation_window_grab_focus (GtkWidget *widget,
2522 if (view->window_child_focus)
2523 ev_annotation_window_ungrab_focus (EV_ANNOTATION_WINDOW (view->window_child_focus->window));
2524 view->window_child_focus = ev_view_get_window_child (view, widget);
2528 annotation_window_closed (EvAnnotationWindow *window,
2531 EvViewWindowChild *child;
2533 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2534 child->visible = FALSE;
2538 annotation_window_moved (EvAnnotationWindow *window,
2543 EvViewWindowChild *child;
2544 GdkRectangle page_area;
2546 GdkRectangle view_rect;
2547 EvRectangle doc_rect;
2550 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2551 if (child->x == x && child->y == y)
2554 child->moved = TRUE;
2558 /* Window has been moved by the user,
2559 * we have to set a new origin in doc coords
2561 gtk_window_get_size (GTK_WINDOW (window), &width, &height);
2562 view_rect.x = (x - child->parent_x) + view->scroll_x;
2563 view_rect.y = (y - child->parent_y) + view->scroll_y;
2564 view_rect.width = width;
2565 view_rect.height = height;
2567 get_page_extents (view, child->page, &page_area, &border);
2568 view_rect_to_doc_rect (view, &view_rect, &page_area, &doc_rect);
2569 child->orig_x = doc_rect.x1;
2570 child->orig_y = doc_rect.y1;
2574 ev_view_annotation_save (EvView *view,
2575 EvAnnotation *annot)
2577 if (!view->document)
2580 if (!annot->changed)
2583 ev_document_annotations_annotation_set_contents (EV_DOCUMENT_ANNOTATIONS (view->document),
2584 annot, annot->contents);
2585 annot->changed = FALSE;
2589 show_annotation_windows (EvView *view,
2595 parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
2597 annots = ev_page_cache_get_annot_mapping (view->page_cache, page);
2599 for (l = annots; l && l->data; l = g_list_next (l)) {
2600 EvAnnotation *annot;
2601 EvViewWindowChild *child;
2603 EvRectangle *doc_rect;
2604 GdkRectangle view_rect;
2606 annot = ((EvMapping *)(l->data))->data;
2608 if (!EV_IS_ANNOTATION_MARKUP (annot))
2611 if (!ev_annotation_markup_has_popup (EV_ANNOTATION_MARKUP (annot)))
2614 window = g_object_get_data (G_OBJECT (annot), "popup");
2616 ev_view_window_child_move_with_parent (view, window);
2620 /* Look if we already have a popup for this annot */
2621 child = ev_view_find_window_child_for_annot (view, page, annot);
2622 window = child ? child->window : NULL;
2624 ev_annotation_window_set_annotation (EV_ANNOTATION_WINDOW (window), annot);
2625 g_object_set_data (G_OBJECT (annot), "popup", window);
2626 ev_view_window_child_move_with_parent (view, window);
2628 window = ev_annotation_window_new (annot, parent);
2629 g_signal_connect (window, "grab_focus",
2630 G_CALLBACK (annotation_window_grab_focus),
2632 g_signal_connect (window, "closed",
2633 G_CALLBACK (annotation_window_closed),
2635 g_signal_connect (window, "moved",
2636 G_CALLBACK (annotation_window_moved),
2638 g_object_set_data (G_OBJECT (annot), "popup", window);
2640 doc_rect = (EvRectangle *)ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (window));
2641 doc_rect_to_view_rect (view, page, doc_rect, &view_rect);
2642 view_rect.x -= view->scroll_x;
2643 view_rect.y -= view->scroll_y;
2645 ev_view_window_child_put (view, window, page,
2646 view_rect.x, view_rect.y,
2647 doc_rect->x1, doc_rect->y1);
2649 g_object_weak_ref (G_OBJECT (annot),
2650 (GWeakNotify)ev_view_annotation_save,
2657 hide_annotation_windows (EvView *view,
2662 annots = ev_page_cache_get_annot_mapping (view->page_cache, page);
2664 for (l = annots; l && l->data; l = g_list_next (l)) {
2665 EvAnnotation *annot;
2668 annot = ((EvMapping *)(l->data))->data;
2670 if (!EV_IS_ANNOTATION_MARKUP (annot))
2673 window = g_object_get_data (G_OBJECT (annot), "popup");
2675 gtk_widget_hide (window);
2679 static EvAnnotation *
2680 ev_view_get_annotation_at_location (EvView *view,
2685 gint x_new = 0, y_new = 0;
2686 GList *annotations_mapping;
2688 if (!EV_IS_DOCUMENT_ANNOTATIONS (view->document))
2691 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
2694 annotations_mapping = ev_page_cache_get_annot_mapping (view->page_cache, page);
2696 if (annotations_mapping)
2697 return ev_mapping_list_get_data (annotations_mapping, x_new, y_new);
2703 ev_view_handle_annotation (EvView *view,
2704 EvAnnotation *annot,
2709 if (EV_IS_ANNOTATION_MARKUP (annot)) {
2712 window = g_object_get_data (G_OBJECT (annot), "popup");
2714 EvViewWindowChild *child;
2716 child = ev_view_get_window_child (view, window);
2717 if (!child->visible) {
2718 child->visible = TRUE;
2719 ev_view_window_child_move (view, child, child->x, child->y);
2720 gtk_widget_show (window);
2725 if (EV_IS_ANNOTATION_ATTACHMENT (annot)) {
2726 EvAttachment *attachment = EV_ANNOTATION_ATTACHMENT (annot)->attachment;
2729 GError *error = NULL;
2731 ev_attachment_open (attachment,
2732 gtk_widget_get_screen (GTK_WIDGET (view)),
2737 g_warning ("%s", error->message);
2738 g_error_free (error);
2744 /*** GtkWidget implementation ***/
2747 ev_view_size_request_continuous_dual_page (EvView *view,
2748 GtkRequisition *requisition)
2752 n_pages = ev_document_get_n_pages (view->document) + 1;
2753 get_page_y_offset (view, n_pages, &requisition->height);
2755 switch (view->sizing_mode) {
2756 case EV_SIZING_FIT_WIDTH:
2757 case EV_SIZING_BEST_FIT:
2758 requisition->width = 1;
2761 case EV_SIZING_FREE: {
2765 ev_view_get_max_page_size (view, &max_width, NULL);
2766 compute_border (view, max_width, max_width, &border);
2767 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
2771 g_assert_not_reached ();
2776 ev_view_size_request_continuous (EvView *view,
2777 GtkRequisition *requisition)
2781 n_pages = ev_document_get_n_pages (view->document);
2782 get_page_y_offset (view, n_pages, &requisition->height);
2784 switch (view->sizing_mode) {
2785 case EV_SIZING_FIT_WIDTH:
2786 case EV_SIZING_BEST_FIT:
2787 requisition->width = 1;
2790 case EV_SIZING_FREE: {
2794 ev_view_get_max_page_size (view, &max_width, NULL);
2795 compute_border (view, max_width, max_width, &border);
2796 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
2800 g_assert_not_reached ();
2805 ev_view_size_request_dual_page (EvView *view,
2806 GtkRequisition *requisition)
2811 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2812 requisition->width = 1;
2813 requisition->height = 1;
2818 /* Find the largest of the two. */
2819 ev_view_get_page_size (view,
2822 if (view->current_page + 1 < ev_document_get_n_pages (view->document)) {
2823 gint width_2, height_2;
2824 ev_view_get_page_size (view,
2825 view->current_page + 1,
2826 &width_2, &height_2);
2827 if (width_2 > width) {
2832 compute_border (view, width, height, &border);
2834 requisition->width = view->sizing_mode == EV_SIZING_FIT_WIDTH ? 1 :
2835 ((width + border.left + border.right) * 2) + (view->spacing * 3);
2836 requisition->height = (height + border.top + border.bottom) + (view->spacing * 2);
2840 ev_view_size_request_single_page (EvView *view,
2841 GtkRequisition *requisition)
2846 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2847 requisition->width = 1;
2848 requisition->height = 1;
2853 ev_view_get_page_size (view, view->current_page, &width, &height);
2854 compute_border (view, width, height, &border);
2856 requisition->width = view->sizing_mode == EV_SIZING_FIT_WIDTH ? 1 :
2857 width + border.left + border.right + (2 * view->spacing);
2858 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2862 ev_view_size_request (GtkWidget *widget,
2863 GtkRequisition *requisition)
2865 EvView *view = EV_VIEW (widget);
2867 if (view->document == NULL) {
2868 view->requisition.width = 1;
2869 view->requisition.height = 1;
2871 *requisition = view->requisition;
2876 /* Get zoom for size here when not called from
2877 * ev_view_size_allocate()
2879 if (!view->internal_size_request &&
2880 (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2881 view->sizing_mode == EV_SIZING_BEST_FIT)) {
2882 GtkAllocation allocation;
2884 gtk_widget_get_allocation (widget, &allocation);
2885 ev_view_zoom_for_size (view,
2890 if (view->continuous && view->dual_page)
2891 ev_view_size_request_continuous_dual_page (view, &view->requisition);
2892 else if (view->continuous)
2893 ev_view_size_request_continuous (view, &view->requisition);
2894 else if (view->dual_page)
2895 ev_view_size_request_dual_page (view, &view->requisition);
2897 ev_view_size_request_single_page (view, &view->requisition);
2899 *requisition = view->requisition;
2903 ev_view_size_allocate (GtkWidget *widget,
2904 GtkAllocation *allocation)
2906 EvView *view = EV_VIEW (widget);
2907 GList *children, *l;
2908 gint root_x, root_y;
2910 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
2912 if (!view->document)
2915 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2916 view->sizing_mode == EV_SIZING_BEST_FIT) {
2919 ev_view_zoom_for_size (view,
2921 allocation->height);
2922 view->internal_size_request = TRUE;
2923 ev_view_size_request (widget, &req);
2924 view->internal_size_request = FALSE;
2927 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
2928 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
2931 view_update_range_and_current_page (view);
2933 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2934 view->pending_resize = FALSE;
2935 view->pending_point.x = 0;
2936 view->pending_point.y = 0;
2938 children = gtk_container_get_children (GTK_CONTAINER (widget));
2939 for (l = children; l && l->data; l = g_list_next (l)) {
2941 GdkRectangle view_area;
2942 GList *form_field_mapping;
2943 GtkAllocation child_allocation;
2944 GtkRequisition child_requisition;
2945 GtkWidget *child = (GtkWidget *)l->data;
2947 field = g_object_get_data (G_OBJECT (child), "form-field");
2951 form_field_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
2952 field->page->index);
2953 ev_view_get_area_from_mapping (view, field->page->index,
2957 gtk_widget_size_request (child, &child_requisition);
2958 if (child_requisition.width != view_area.width ||
2959 child_requisition.height != view_area.height)
2960 gtk_widget_set_size_request (child, view_area.width, view_area.height);
2962 gtk_container_child_get (GTK_CONTAINER (widget),
2964 "x", &child_allocation.x,
2965 "y", &child_allocation.y,
2967 if (child_allocation.x != view_area.x ||
2968 child_allocation.y != view_area.y) {
2969 gtk_layout_move (GTK_LAYOUT (widget), child, view_area.x, view_area.y);
2972 g_list_free (children);
2974 if (view->window_children)
2975 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2978 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
2979 EvViewWindowChild *child;
2980 EvRectangle doc_rect;
2981 GdkRectangle view_rect;
2983 child = (EvViewWindowChild *)l->data;
2985 doc_rect = *ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (child->window));
2987 doc_rect.x1 = child->orig_x;
2988 doc_rect.y1 = child->orig_y;
2990 doc_rect_to_view_rect (view, child->page, &doc_rect, &view_rect);
2991 view_rect.x -= view->scroll_x;
2992 view_rect.y -= view->scroll_y;
2994 if (view_rect.x != child->orig_x || view_rect.y != child->orig_y) {
2995 child->parent_x = root_x;
2996 child->parent_y = root_y;
2997 ev_view_window_child_move (view, child, view_rect.x + root_x, view_rect.y + root_y);
3003 ev_view_realize (GtkWidget *widget)
3005 EvView *view = EV_VIEW (widget);
3006 GdkWindow *bin_window;
3009 if (GTK_WIDGET_CLASS (ev_view_parent_class)->realize)
3010 (* GTK_WIDGET_CLASS (ev_view_parent_class)->realize) (widget);
3012 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
3013 gdk_window_set_events (bin_window,
3014 (gdk_window_get_events (bin_window) |
3016 GDK_BUTTON_PRESS_MASK |
3017 GDK_BUTTON_RELEASE_MASK |
3019 GDK_KEY_PRESS_MASK |
3020 GDK_POINTER_MOTION_MASK |
3021 GDK_POINTER_MOTION_HINT_MASK |
3022 GDK_ENTER_NOTIFY_MASK |
3023 GDK_LEAVE_NOTIFY_MASK));
3025 style = gtk_widget_get_style (widget);
3026 gdk_window_set_background (bin_window, &style->mid[GTK_STATE_NORMAL]);
3028 on_adjustment_value_changed (NULL, view);
3032 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
3034 EvView *view = EV_VIEW (widget);
3037 state = event->state & gtk_accelerator_get_default_mod_mask ();
3039 if (state == GDK_CONTROL_MASK) {
3040 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
3041 if (event->direction == GDK_SCROLL_UP ||
3042 event->direction == GDK_SCROLL_LEFT) {
3043 if (ev_view_can_zoom_in (view)) {
3044 ev_view_zoom_in (view);
3047 if (ev_view_can_zoom_out (view)) {
3048 ev_view_zoom_out (view);
3055 view->jump_to_find_result = FALSE;
3057 /* Shift+Wheel scrolls the in the perpendicular direction */
3058 if (state & GDK_SHIFT_MASK) {
3059 if (event->direction == GDK_SCROLL_UP)
3060 event->direction = GDK_SCROLL_LEFT;
3061 else if (event->direction == GDK_SCROLL_LEFT)
3062 event->direction = GDK_SCROLL_UP;
3063 else if (event->direction == GDK_SCROLL_DOWN)
3064 event->direction = GDK_SCROLL_RIGHT;
3065 else if (event->direction == GDK_SCROLL_RIGHT)
3066 event->direction = GDK_SCROLL_DOWN;
3068 event->state &= ~GDK_SHIFT_MASK;
3069 state &= ~GDK_SHIFT_MASK;
3072 if (state == 0 && view->sizing_mode == EV_SIZING_BEST_FIT && !view->continuous) {
3073 switch (event->direction) {
3074 case GDK_SCROLL_DOWN:
3075 case GDK_SCROLL_RIGHT:
3076 ev_view_next_page (view);
3079 case GDK_SCROLL_LEFT:
3080 ev_view_previous_page (view);
3090 static EvViewSelection *
3091 find_selection_for_page (EvView *view,
3096 for (list = view->selection_info.selections; list != NULL; list = list->next) {
3097 EvViewSelection *selection;
3099 selection = (EvViewSelection *) list->data;
3101 if (selection->page == page)
3109 ev_view_expose_event (GtkWidget *widget,
3110 GdkEventExpose *event)
3112 EvView *view = EV_VIEW (widget);
3113 GdkWindow *bin_window;
3117 if (view->loading) {
3118 show_loading_window (view);
3119 } else if (view->loading_window &&
3120 gtk_widget_get_visible (view->loading_window)) {
3121 ev_view_loading_window_move (view);
3124 if (view->document == NULL)
3127 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
3128 cr = gdk_cairo_create (bin_window);
3130 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
3131 GdkRectangle page_area;
3133 gboolean page_ready = TRUE;
3135 if (!get_page_extents (view, i, &page_area, &border))
3138 page_area.x -= view->scroll_x;
3139 page_area.y -= view->scroll_y;
3141 draw_one_page (view, i, cr, &page_area, &border, &(event->area), &page_ready);
3143 if (page_ready && view->find_pages && view->highlight_find_results)
3144 highlight_find_results (view, i);
3145 if (page_ready && EV_IS_DOCUMENT_ANNOTATIONS (view->document))
3146 show_annotation_windows (view, i);
3151 if (GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event)
3152 (* GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) (widget, event);
3158 ev_view_do_popup_menu (EvView *view,
3162 GList *items = NULL;
3165 EvAnnotation *annot;
3167 image = ev_view_get_image_at_location (view, x, y);
3169 items = g_list_prepend (items, image);
3171 link = ev_view_get_link_at_location (view, x, y);
3173 items = g_list_prepend (items, link);
3175 annot = ev_view_get_annotation_at_location (view, x, y);
3177 items = g_list_prepend (items, annot);
3179 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, items);
3181 g_list_free (items);
3187 ev_view_popup_menu (GtkWidget *widget)
3191 gtk_widget_get_pointer (widget, &x, &y);
3192 return ev_view_do_popup_menu (EV_VIEW (widget), x, y);
3196 get_link_area (EvView *view,
3202 GList *link_mapping;
3204 gint x_offset = 0, y_offset = 0;
3206 x += view->scroll_x;
3207 y += view->scroll_y;
3209 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3211 link_mapping = ev_page_cache_get_link_mapping (view->page_cache, page);
3212 ev_view_get_area_from_mapping (view, page,
3218 get_annot_area (EvView *view,
3221 EvAnnotation *annot,
3224 GList *annot_mapping;
3226 gint x_offset = 0, y_offset = 0;
3228 x += view->scroll_x;
3229 y += view->scroll_y;
3231 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3233 annot_mapping = ev_page_cache_get_annot_mapping (view->page_cache, page);
3234 ev_view_get_area_from_mapping (view, page,
3240 ev_view_query_tooltip (GtkWidget *widget,
3243 gboolean keyboard_tip,
3244 GtkTooltip *tooltip)
3246 EvView *view = EV_VIEW (widget);
3248 EvAnnotation *annot;
3251 annot = ev_view_get_annotation_at_location (view, x, y);
3252 if (annot && annot->contents) {
3253 GdkRectangle annot_area;
3255 get_annot_area (view, x, y, annot, &annot_area);
3256 gtk_tooltip_set_text (tooltip, annot->contents);
3257 gtk_tooltip_set_tip_area (tooltip, &annot_area);
3262 link = ev_view_get_link_at_location (view, x, y);
3266 text = tip_from_link (view, link);
3267 if (text && g_utf8_validate (text, -1, NULL)) {
3268 GdkRectangle link_area;
3270 get_link_area (view, x, y, link, &link_area);
3271 gtk_tooltip_set_text (tooltip, text);
3272 gtk_tooltip_set_tip_area (tooltip, &link_area);
3280 start_selection_for_event (EvView *view,
3281 GdkEventButton *event)
3283 clear_selection (view);
3285 view->selection_info.start.x = event->x + view->scroll_x;
3286 view->selection_info.start.y = event->y + view->scroll_y;
3288 switch (event->type) {
3289 case GDK_2BUTTON_PRESS:
3290 view->selection_info.style = EV_SELECTION_STYLE_WORD;
3292 case GDK_3BUTTON_PRESS:
3293 view->selection_info.style = EV_SELECTION_STYLE_LINE;
3296 view->selection_info.style = EV_SELECTION_STYLE_GLYPH;
3300 /* In case of WORD or LINE, compute selections now */
3301 compute_selections (view,
3302 view->selection_info.style,
3303 &(view->selection_info.start),
3304 &(view->selection_info.start));
3308 ev_view_button_press_event (GtkWidget *widget,
3309 GdkEventButton *event)
3311 EvView *view = EV_VIEW (widget);
3313 if (!view->document)
3316 if (!gtk_widget_has_focus (widget)) {
3317 gtk_widget_grab_focus (widget);
3320 if (view->window_child_focus) {
3321 EvAnnotationWindow *window;
3322 EvAnnotation *annot;
3324 window = EV_ANNOTATION_WINDOW (view->window_child_focus->window);
3325 annot = ev_annotation_window_get_annotation (window);
3326 ev_annotation_window_ungrab_focus (window);
3327 ev_view_annotation_save (view, annot);
3328 view->window_child_focus = NULL;
3331 view->pressed_button = event->button;
3332 view->selection_info.in_drag = FALSE;
3334 if (view->scroll_info.autoscrolling)
3337 switch (event->button) {
3340 EvAnnotation *annot;
3343 if (EV_IS_SELECTION (view->document) && view->selection_info.selections) {
3344 if (event->type == GDK_3BUTTON_PRESS) {
3345 start_selection_for_event (view, event);
3346 } else if (location_in_selected_text (view,
3347 event->x + view->scroll_x,
3348 event->y + view->scroll_y)) {
3349 view->selection_info.in_drag = TRUE;
3351 start_selection_for_event (view, event);
3354 gtk_widget_queue_draw (widget);
3355 } else if ((annot = ev_view_get_annotation_at_location (view, event->x, event->y))) {
3356 ev_view_handle_annotation (view, annot, event->x, event->y, event->time);
3357 } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) {
3358 ev_view_remove_all (view);
3359 ev_view_handle_form_field (view, field, event->x, event->y);
3360 } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) &&
3361 (image = ev_view_get_image_at_location (view, event->x, event->y))) {
3362 if (view->image_dnd_info.image)
3363 g_object_unref (view->image_dnd_info.image);
3364 view->image_dnd_info.image = g_object_ref (image);
3365 view->image_dnd_info.in_drag = TRUE;
3367 view->image_dnd_info.start.x = event->x + view->scroll_x;
3368 view->image_dnd_info.start.y = event->y + view->scroll_y;
3370 ev_view_remove_all (view);
3372 if (EV_IS_SELECTION (view->document))
3373 start_selection_for_event (view, event);
3378 /* use root coordinates as reference point because
3379 * scrolling changes window relative coordinates */
3380 view->drag_info.start.x = event->x_root;
3381 view->drag_info.start.y = event->y_root;
3382 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
3383 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
3385 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
3389 view->scroll_info.start_y = event->y;
3390 return ev_view_do_popup_menu (view, event->x, event->y);
3397 ev_view_remove_all (EvView *view)
3399 GList *children, *child;
3401 children = gtk_container_get_children (GTK_CONTAINER (view));
3402 for (child = children; child && child->data; child = g_list_next (child)) {
3403 gtk_container_remove (GTK_CONTAINER (view),
3404 GTK_WIDGET (child->data));
3406 g_list_free (children);
3409 /*** Drag and Drop ***/
3411 ev_view_drag_data_get (GtkWidget *widget,
3412 GdkDragContext *context,
3413 GtkSelectionData *selection_data,
3417 EvView *view = EV_VIEW (widget);
3420 case TARGET_DND_TEXT:
3421 if (EV_IS_SELECTION (view->document) &&
3422 view->selection_info.selections) {
3425 text = get_selected_text (view);
3426 gtk_selection_data_set_text (selection_data,
3432 case TARGET_DND_IMAGE:
3433 if (view->image_dnd_info.image) {
3436 ev_document_doc_mutex_lock ();
3437 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3438 view->image_dnd_info.image);
3439 ev_document_doc_mutex_unlock ();
3441 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
3442 g_object_unref (pixbuf);
3445 case TARGET_DND_URI:
3446 if (view->image_dnd_info.image) {
3448 const gchar *tmp_uri;
3451 ev_document_doc_mutex_lock ();
3452 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3453 view->image_dnd_info.image);
3454 ev_document_doc_mutex_unlock ();
3456 tmp_uri = ev_image_save_tmp (view->image_dnd_info.image, pixbuf);
3457 g_object_unref (pixbuf);
3459 uris[0] = (gchar *)tmp_uri;
3461 gtk_selection_data_set_uris (selection_data, uris);
3467 ev_view_drag_motion (GtkWidget *widget,
3468 GdkDragContext *context,
3473 if (gtk_drag_get_source_widget (context) == widget)
3474 gdk_drag_status (context, 0, time);
3476 gdk_drag_status (context, context->suggested_action, time);
3482 selection_update_idle_cb (EvView *view)
3484 compute_selections (view,
3485 view->selection_info.style,
3486 &view->selection_info.start,
3488 view->selection_update_id = 0;
3493 selection_scroll_timeout_cb (EvView *view)
3495 gint x, y, shift = 0;
3496 GtkWidget *widget = GTK_WIDGET (view);
3497 GtkAllocation allocation;
3499 gtk_widget_get_allocation (widget, &allocation);
3500 gtk_widget_get_pointer (widget, &x, &y);
3502 if (y > allocation.height) {
3503 shift = (y - allocation.height) / 2;
3509 gtk_adjustment_set_value (view->vadjustment,
3510 CLAMP (gtk_adjustment_get_value (view->vadjustment) + shift,
3511 gtk_adjustment_get_lower (view->vadjustment),
3512 gtk_adjustment_get_upper (view->vadjustment) -
3513 gtk_adjustment_get_page_size (view->vadjustment)));
3515 if (x > allocation.width) {
3516 shift = (x - allocation.width) / 2;
3522 gtk_adjustment_set_value (view->hadjustment,
3523 CLAMP (gtk_adjustment_get_value (view->hadjustment) + shift,
3524 gtk_adjustment_get_lower (view->hadjustment),
3525 gtk_adjustment_get_upper (view->hadjustment) -
3526 gtk_adjustment_get_page_size (view->hadjustment)));
3532 ev_view_drag_update_momentum (EvView *view)
3535 if (!view->drag_info.in_drag)
3538 for (i = DRAG_HISTORY - 1; i > 0; i--) {
3539 view->drag_info.buffer[i].x = view->drag_info.buffer[i-1].x;
3540 view->drag_info.buffer[i].y = view->drag_info.buffer[i-1].y;
3543 /* Momentum is a moving average of 10ms granularity over
3544 * the last 100ms with each 10ms stored in buffer.
3547 view->drag_info.momentum.x = (view->drag_info.buffer[DRAG_HISTORY - 1].x - view->drag_info.buffer[0].x);
3548 view->drag_info.momentum.y = (view->drag_info.buffer[DRAG_HISTORY - 1].y - view->drag_info.buffer[0].y);
3554 ev_view_scroll_drag_release (EvView *view)
3556 gdouble dhadj_value, dvadj_value;
3557 gdouble oldhadjustment, oldvadjustment;
3558 gdouble h_page_size, v_page_size;
3559 gdouble h_upper, v_upper;
3560 GtkAllocation allocation;
3562 view->drag_info.momentum.x /= 1.2;
3563 view->drag_info.momentum.y /= 1.2; /* Alter these constants to change "friction" */
3565 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
3567 h_page_size = gtk_adjustment_get_page_size (view->hadjustment);
3568 v_page_size = gtk_adjustment_get_page_size (view->vadjustment);
3570 dhadj_value = h_page_size *
3571 (gdouble)view->drag_info.momentum.x / allocation.width;
3572 dvadj_value = v_page_size *
3573 (gdouble)view->drag_info.momentum.y / allocation.height;
3575 oldhadjustment = gtk_adjustment_get_value (view->hadjustment);
3576 oldvadjustment = gtk_adjustment_get_value (view->vadjustment);
3578 h_upper = gtk_adjustment_get_upper (view->hadjustment);
3579 v_upper = gtk_adjustment_get_upper (view->vadjustment);
3581 /* When we reach the edges, we need either to absorb some momentum and bounce by
3582 * multiplying it on -0.5 or stop scrolling by setting momentum to 0. */
3583 if (((oldhadjustment + dhadj_value) > (h_upper - h_page_size)) ||
3584 ((oldhadjustment + dhadj_value) < 0))
3585 view->drag_info.momentum.x = 0;
3586 if (((oldvadjustment + dvadj_value) > (v_upper - v_page_size)) ||
3587 ((oldvadjustment + dvadj_value) < 0))
3588 view->drag_info.momentum.y = 0;
3590 gtk_adjustment_set_value (view->hadjustment,
3591 MIN (oldhadjustment + dhadj_value,
3592 h_upper - h_page_size));
3593 gtk_adjustment_set_value (view->vadjustment,
3594 MIN (oldvadjustment + dvadj_value,
3595 v_upper - v_page_size));
3597 if (((view->drag_info.momentum.x < 1) && (view->drag_info.momentum.x > -1)) &&
3598 ((view->drag_info.momentum.y < 1) && (view->drag_info.momentum.y > -1)))
3605 ev_view_motion_notify_event (GtkWidget *widget,
3606 GdkEventMotion *event)
3608 EvView *view = EV_VIEW (widget);
3609 GdkWindow *bin_window;
3612 if (!view->document)
3615 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
3617 if (event->is_hint || event->window != bin_window) {
3618 gtk_widget_get_pointer (widget, &x, &y);
3624 if (view->scroll_info.autoscrolling) {
3625 view->scroll_info.last_y = y;
3629 if (view->selection_info.in_drag) {
3630 if (gtk_drag_check_threshold (widget,
3631 view->selection_info.start.x,
3632 view->selection_info.start.y,
3634 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3636 gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT);
3638 gtk_drag_begin (widget, target_list,
3640 1, (GdkEvent *)event);
3642 view->selection_info.in_drag = FALSE;
3644 gtk_target_list_unref (target_list);
3648 } else if (view->image_dnd_info.in_drag) {
3649 if (gtk_drag_check_threshold (widget,
3650 view->selection_info.start.x,
3651 view->selection_info.start.y,
3653 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3655 gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI);
3656 gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE);
3658 gtk_drag_begin (widget, target_list,
3660 1, (GdkEvent *)event);
3662 view->image_dnd_info.in_drag = FALSE;
3664 gtk_target_list_unref (target_list);
3670 switch (view->pressed_button) {
3672 /* For the Evince 0.4.x release, we limit selection to un-rotated
3675 if (view->rotation != 0)
3678 /* Schedule timeout to scroll during selection and additionally
3679 * scroll once to allow arbitrary speed. */
3680 if (!view->selection_scroll_id)
3681 view->selection_scroll_id = g_timeout_add (SCROLL_TIME,
3682 (GSourceFunc)selection_scroll_timeout_cb,
3685 selection_scroll_timeout_cb (view);
3687 view->selection_info.in_selection = TRUE;
3688 view->motion.x = x + view->scroll_x;
3689 view->motion.y = y + view->scroll_y;
3691 /* Queue an idle to handle the motion. We do this because
3692 * handling any selection events in the motion could be slower
3693 * than new motion events reach us. We always put it in the
3694 * idle to make sure we catch up and don't visibly lag the
3696 if (!view->selection_update_id)
3697 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
3701 if (!view->drag_info.in_drag) {
3705 start = gtk_drag_check_threshold (widget,
3706 view->drag_info.start.x,
3707 view->drag_info.start.y,
3710 view->drag_info.in_drag = start;
3711 view->drag_info.drag_timeout_id = g_timeout_add (10,
3712 (GSourceFunc)ev_view_drag_update_momentum, view);
3713 /* Set 100 to choose how long it takes to build up momentum */
3714 /* Clear out previous momentum info: */
3715 for (i = 0; i < DRAG_HISTORY; i++) {
3716 view->drag_info.buffer[i].x = event->x;
3717 view->drag_info.buffer[i].y = event->y;
3719 view->drag_info.momentum.x = 0;
3720 view->drag_info.momentum.y = 0;
3723 if (view->drag_info.in_drag) {
3725 gdouble dhadj_value, dvadj_value;
3726 GtkAllocation allocation;
3728 view->drag_info.buffer[0].x = event->x;
3729 view->drag_info.buffer[0].y = event->y;
3731 dx = event->x_root - view->drag_info.start.x;
3732 dy = event->y_root - view->drag_info.start.y;
3734 gtk_widget_get_allocation (widget, &allocation);
3736 dhadj_value = gtk_adjustment_get_page_size (view->hadjustment) *
3737 (gdouble)dx / allocation.width;
3738 dvadj_value = gtk_adjustment_get_page_size (view->vadjustment) *
3739 (gdouble)dy / allocation.height;
3741 /* clamp scrolling to visible area */
3742 gtk_adjustment_set_value (view->hadjustment,
3743 MIN (view->drag_info.hadj - dhadj_value,
3744 gtk_adjustment_get_upper (view->hadjustment) -
3745 gtk_adjustment_get_page_size (view->hadjustment)));
3746 gtk_adjustment_set_value (view->vadjustment,
3747 MIN (view->drag_info.vadj - dvadj_value,
3748 gtk_adjustment_get_upper (view->vadjustment) -
3749 gtk_adjustment_get_page_size (view->vadjustment)));
3756 ev_view_handle_cursor_over_xy (view, x, y);
3763 ev_view_button_release_event (GtkWidget *widget,
3764 GdkEventButton *event)
3766 EvView *view = EV_VIEW (widget);
3767 EvLink *link = NULL;
3769 view->image_dnd_info.in_drag = FALSE;
3771 if (view->scroll_info.autoscrolling) {
3772 ev_view_autoscroll_stop (view);
3773 view->pressed_button = -1;
3778 if (view->drag_info.in_drag) {
3779 view->drag_info.release_timeout_id =
3781 (GSourceFunc)ev_view_scroll_drag_release, view);
3784 if (view->document && !view->drag_info.in_drag && view->pressed_button != 3) {
3785 link = ev_view_get_link_at_location (view, event->x, event->y);
3788 view->drag_info.in_drag = FALSE;
3790 if (view->pressed_button == 2) {
3791 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3794 view->pressed_button = -1;
3796 if (view->selection_scroll_id) {
3797 g_source_remove (view->selection_scroll_id);
3798 view->selection_scroll_id = 0;
3800 if (view->selection_update_id) {
3801 g_source_remove (view->selection_update_id);
3802 view->selection_update_id = 0;
3805 if (view->selection_info.selections) {
3806 clear_link_selected (view);
3807 ev_view_update_primary_selection (view);
3809 if (view->selection_info.in_drag) {
3810 clear_selection (view);
3811 gtk_widget_queue_draw (widget);
3814 view->selection_info.in_drag = FALSE;
3816 if (event->button == 2) {
3817 EvLinkAction *action;
3818 EvLinkActionType type;
3820 action = ev_link_get_action (link);
3824 type = ev_link_action_get_action_type (action);
3825 if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
3826 g_signal_emit (view,
3827 signals[SIGNAL_EXTERNAL_LINK],
3831 ev_view_handle_link (view, link);
3839 ev_view_key_press_event (GtkWidget *widget,
3842 EvView *view = EV_VIEW (widget);
3844 if (!view->document)
3847 if (!gtk_widget_has_focus (widget)) {
3848 /* Forward key events to current focused window child */
3849 if (view->window_child_focus) {
3850 GdkEventKey *new_event;
3853 new_event = (GdkEventKey *) gdk_event_copy ((GdkEvent *)event);
3854 g_object_unref (new_event->window);
3855 new_event->window = gtk_widget_get_window (view->window_child_focus->window);
3856 if (new_event->window)
3857 g_object_ref (new_event->window);
3858 gtk_widget_realize (view->window_child_focus->window);
3859 handled = gtk_widget_event (view->window_child_focus->window, (GdkEvent *)new_event);
3860 gdk_event_free ((GdkEvent *)new_event);
3868 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3872 ev_view_focus_in (GtkWidget *widget,
3873 GdkEventFocus *event)
3875 if (EV_VIEW (widget)->pixbuf_cache)
3876 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3877 gtk_widget_queue_draw (widget);
3883 ev_view_focus_out (GtkWidget *widget,
3884 GdkEventFocus *event)
3886 if (EV_VIEW (widget)->pixbuf_cache)
3887 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3888 gtk_widget_queue_draw (widget);
3894 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3896 EvView *view = EV_VIEW (widget);
3898 if (view->cursor != EV_VIEW_CURSOR_NORMAL)
3899 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
3905 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3907 EvView *view = EV_VIEW (widget);
3909 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3915 ev_view_style_set (GtkWidget *widget,
3916 GtkStyle *old_style)
3918 if (EV_VIEW (widget)->pixbuf_cache)
3919 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3921 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
3927 draw_rubberband (EvView *view,
3929 const GdkRectangle *rect,
3933 GdkColor *fill_color_gdk;
3937 style = gtk_widget_get_style (GTK_WIDGET (view));
3938 fill_color_gdk = gdk_color_copy (&style->base[GTK_STATE_SELECTED]);
3939 r = fill_color_gdk->red / 65535.;
3940 g = fill_color_gdk->green / 65535.;
3941 b = fill_color_gdk->blue / 65535.;
3943 cr = gdk_cairo_create (window);
3945 cairo_set_source_rgba (cr, r, g, b, alpha);
3946 cairo_rectangle (cr,
3947 rect->x - view->scroll_x,
3948 rect->y - view->scroll_y,
3949 rect->width, rect->height);
3950 cairo_fill_preserve (cr);
3952 cairo_set_line_width (cr, 0.5);
3953 cairo_set_source_rgb (cr, r, g, b);
3958 gdk_color_free (fill_color_gdk);
3963 highlight_find_results (EvView *view, int page)
3965 gint i, n_results = 0;
3966 GdkWindow *bin_window;
3968 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
3970 n_results = ev_view_find_get_n_results (view, page);
3972 for (i = 0; i < n_results; i++) {
3973 EvRectangle *rectangle;
3974 GdkRectangle view_rectangle;
3977 if (i == view->find_result && page == view->current_page) {
3983 rectangle = ev_view_find_get_result (view, page, i);
3984 doc_rect_to_view_rect (view, page, rectangle, &view_rectangle);
3985 draw_rubberband (view, bin_window, &view_rectangle, alpha);
3990 ev_view_loading_window_move (EvView *view)
3992 GtkWidget *widget = GTK_WIDGET (view);
3993 EvLoadingWindow *window = EV_LOADING_WINDOW (view->loading_window);
3994 gint root_x, root_y;
3996 GtkAllocation allocation;
3998 gtk_widget_get_allocation (widget, &allocation);
3999 gdk_window_get_origin (gtk_widget_get_window (widget), &root_x, &root_y);
4000 ev_loading_window_get_size (window, &window_width, NULL);
4002 root_x += allocation.width - window_width - 10;
4005 ev_loading_window_move (window, root_x, root_y);
4009 show_loading_window_cb (EvView *view)
4011 if (!view->loading_window) {
4015 parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
4016 view->loading_window = ev_loading_window_new (parent);
4018 /* Show the window off screen to get a valid size asap */
4019 screen = gtk_widget_get_screen (GTK_WIDGET (view));
4020 gtk_window_move (GTK_WINDOW (view->loading_window),
4021 gdk_screen_get_width (screen) + 1,
4022 gdk_screen_get_height (screen) + 1);
4023 gtk_widget_show (view->loading_window);
4026 ev_view_loading_window_move (view);
4028 gtk_widget_show (view->loading_window);
4030 view->loading_timeout = 0;
4036 show_loading_window (EvView *view)
4038 if (view->loading_window && gtk_widget_get_visible (view->loading_window)) {
4039 ev_view_loading_window_move (view);
4043 if (!view->loading_timeout) {
4044 view->loading_timeout =
4045 g_timeout_add_full (G_PRIORITY_LOW,
4046 0.5, (GSourceFunc)show_loading_window_cb,
4052 hide_loading_window (EvView *view)
4054 if (view->loading_timeout) {
4055 g_source_remove (view->loading_timeout);
4056 view->loading_timeout = 0;
4059 if (view->loading_window && gtk_widget_get_visible (view->loading_window)) {
4060 gtk_widget_hide (view->loading_window);
4065 draw_one_page (EvView *view,
4068 GdkRectangle *page_area,
4070 GdkRectangle *expose_area,
4071 gboolean *page_ready)
4073 GdkWindow *bin_window;
4074 GdkRectangle overlap;
4075 GdkRectangle real_page_area;
4077 gboolean inverted_colors;
4079 g_assert (view->document);
4081 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
4084 /* Render the document itself */
4085 real_page_area = *page_area;
4087 real_page_area.x += border->left;
4088 real_page_area.y += border->top;
4089 real_page_area.width -= (border->left + border->right);
4090 real_page_area.height -= (border->top + border->bottom);
4093 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
4094 current_page = ev_document_model_get_page (view->model);
4095 inverted_colors = ev_document_model_get_inverted_colors (view->model);
4096 ev_document_misc_paint_one_page (bin_window,
4099 page == current_page,
4102 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
4104 gint page_width, page_height;
4105 cairo_surface_t *page_surface = NULL;
4106 gint selection_width, selection_height;
4107 cairo_surface_t *selection_surface = NULL;
4109 page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page);
4111 if (!page_surface) {
4112 if (page == current_page)
4113 show_loading_window (view);
4115 *page_ready = FALSE;
4120 if (page == current_page)
4121 hide_loading_window (view);
4123 ev_view_get_page_size (view, page, &width, &height);
4125 page_width = cairo_image_surface_get_width (page_surface);
4126 page_height = cairo_image_surface_get_height (page_surface);
4129 cairo_translate (cr, overlap.x, overlap.y);
4131 if (width != page_width || height != page_height) {
4132 cairo_pattern_set_filter (cairo_get_source (cr),
4135 (gdouble)width / page_width,
4136 (gdouble)height / page_height);
4139 cairo_surface_set_device_offset (page_surface,
4140 overlap.x - real_page_area.x,
4141 overlap.y - real_page_area.y);
4142 cairo_set_source_surface (cr, page_surface, 0, 0);
4146 /* Get the selection pixbuf iff we have something to draw */
4147 if (find_selection_for_page (view, page) &&
4148 view->selection_mode == EV_VIEW_SELECTION_TEXT) {
4150 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
4156 if (!selection_surface) {
4160 selection_width = cairo_image_surface_get_width (selection_surface);
4161 selection_height = cairo_image_surface_get_height (selection_surface);
4164 cairo_translate (cr, overlap.x, overlap.y);
4166 if (width != selection_width || height != selection_height) {
4167 cairo_pattern_set_filter (cairo_get_source (cr),
4170 (gdouble)width / selection_width,
4171 (gdouble)height / selection_height);
4174 cairo_surface_set_device_offset (selection_surface,
4175 overlap.x - real_page_area.x,
4176 overlap.y - real_page_area.y);
4177 cairo_set_source_surface (cr, selection_surface, 0, 0);
4183 /*** GObject functions ***/
4186 ev_view_finalize (GObject *object)
4188 EvView *view = EV_VIEW (object);
4190 clear_selection (view);
4191 clear_link_selected (view);
4193 if (view->image_dnd_info.image)
4194 g_object_unref (view->image_dnd_info.image);
4195 view->image_dnd_info.image = NULL;
4197 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
4201 ev_view_destroy (GtkObject *object)
4203 EvView *view = EV_VIEW (object);
4206 g_object_unref (view->model);
4210 if (view->pixbuf_cache) {
4211 g_object_unref (view->pixbuf_cache);
4212 view->pixbuf_cache = NULL;
4215 if (view->document) {
4216 g_object_unref (view->document);
4217 view->document = NULL;
4220 if (view->page_cache) {
4221 g_object_unref (view->page_cache);
4222 view->page_cache = NULL;
4225 ev_view_window_children_free (view);
4227 if (view->selection_scroll_id) {
4228 g_source_remove (view->selection_scroll_id);
4229 view->selection_scroll_id = 0;
4232 if (view->selection_update_id) {
4233 g_source_remove (view->selection_update_id);
4234 view->selection_update_id = 0;
4237 if (view->scroll_info.timeout_id) {
4238 g_source_remove (view->scroll_info.timeout_id);
4239 view->scroll_info.timeout_id = 0;
4242 if (view->drag_info.drag_timeout_id) {
4243 g_source_remove (view->drag_info.drag_timeout_id);
4244 view->drag_info.drag_timeout_id = 0;
4247 if (view->drag_info.release_timeout_id) {
4248 g_source_remove (view->drag_info.release_timeout_id);
4249 view->drag_info.release_timeout_id = 0;
4252 if (view->loading_timeout) {
4253 g_source_remove (view->loading_timeout);
4254 view->loading_timeout = 0;
4257 ev_view_set_scroll_adjustments (GTK_LAYOUT (view), NULL, NULL);
4259 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
4263 ev_view_get_accessible (GtkWidget *widget)
4265 static gboolean first_time = TRUE;
4268 AtkObjectFactory *factory;
4269 AtkRegistry *registry;
4271 GType derived_atk_type;
4274 * Figure out whether accessibility is enabled by looking at the
4275 * type of the accessible object which would be created for
4276 * the parent type of EvView.
4278 derived_type = g_type_parent (EV_TYPE_VIEW);
4280 registry = atk_get_default_registry ();
4281 factory = atk_registry_get_factory (registry,
4283 derived_atk_type = atk_object_factory_get_accessible_type (factory);
4284 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
4285 atk_registry_set_factory_type (registry,
4287 ev_view_accessible_factory_get_type ());
4290 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
4294 ev_view_class_init (EvViewClass *class)
4296 GObjectClass *object_class = G_OBJECT_CLASS (class);
4297 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
4298 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
4299 GtkLayoutClass *layout_class = GTK_LAYOUT_CLASS (class);
4300 GtkBindingSet *binding_set;
4302 object_class->finalize = ev_view_finalize;
4304 widget_class->expose_event = ev_view_expose_event;
4305 widget_class->button_press_event = ev_view_button_press_event;
4306 widget_class->motion_notify_event = ev_view_motion_notify_event;
4307 widget_class->button_release_event = ev_view_button_release_event;
4308 widget_class->key_press_event = ev_view_key_press_event;
4309 widget_class->focus_in_event = ev_view_focus_in;
4310 widget_class->focus_out_event = ev_view_focus_out;
4311 widget_class->get_accessible = ev_view_get_accessible;
4312 widget_class->size_request = ev_view_size_request;
4313 widget_class->size_allocate = ev_view_size_allocate;
4314 widget_class->realize = ev_view_realize;
4315 widget_class->scroll_event = ev_view_scroll_event;
4316 widget_class->enter_notify_event = ev_view_enter_notify_event;
4317 widget_class->leave_notify_event = ev_view_leave_notify_event;
4318 widget_class->style_set = ev_view_style_set;
4319 widget_class->drag_data_get = ev_view_drag_data_get;
4320 widget_class->drag_motion = ev_view_drag_motion;
4321 widget_class->popup_menu = ev_view_popup_menu;
4322 widget_class->query_tooltip = ev_view_query_tooltip;
4324 gtk_object_class->destroy = ev_view_destroy;
4326 layout_class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
4328 class->binding_activated = ev_view_scroll;
4330 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
4331 G_TYPE_FROM_CLASS (object_class),
4332 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4333 G_STRUCT_OFFSET (EvViewClass, binding_activated),
4335 ev_view_marshal_VOID__ENUM_BOOLEAN,
4337 GTK_TYPE_SCROLL_TYPE,
4339 signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link",
4340 G_TYPE_FROM_CLASS (object_class),
4341 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4342 G_STRUCT_OFFSET (EvViewClass, handle_link),
4344 g_cclosure_marshal_VOID__OBJECT,
4347 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
4348 G_TYPE_FROM_CLASS (object_class),
4349 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4350 G_STRUCT_OFFSET (EvViewClass, external_link),
4352 g_cclosure_marshal_VOID__OBJECT,
4355 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
4356 G_TYPE_FROM_CLASS (object_class),
4357 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4358 G_STRUCT_OFFSET (EvViewClass, popup_menu),
4360 g_cclosure_marshal_VOID__POINTER,
4363 signals[SIGNAL_SELECTION_CHANGED] = g_signal_new ("selection-changed",
4364 G_TYPE_FROM_CLASS (object_class),
4365 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4366 G_STRUCT_OFFSET (EvViewClass, selection_changed),
4368 g_cclosure_marshal_VOID__VOID,
4372 binding_set = gtk_binding_set_by_class (class);
4374 add_scroll_binding_keypad (binding_set, GDK_Left, 0, GTK_SCROLL_STEP_BACKWARD, TRUE);
4375 add_scroll_binding_keypad (binding_set, GDK_Right, 0, GTK_SCROLL_STEP_FORWARD, TRUE);
4376 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, TRUE);
4377 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, TRUE);
4378 add_scroll_binding_keypad (binding_set, GDK_Up, 0, GTK_SCROLL_STEP_BACKWARD, FALSE);
4379 add_scroll_binding_keypad (binding_set, GDK_Down, 0, GTK_SCROLL_STEP_FORWARD, FALSE);
4380 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, FALSE);
4381 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, FALSE);
4382 gtk_binding_entry_add_signal (binding_set, GDK_H, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4383 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE);
4384 gtk_binding_entry_add_signal (binding_set, GDK_J, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4385 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE);
4386 gtk_binding_entry_add_signal (binding_set, GDK_K, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4387 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE);
4388 gtk_binding_entry_add_signal (binding_set, GDK_L, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4389 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE);
4394 ev_view_init (EvView *view)
4396 gtk_widget_set_can_focus (GTK_WIDGET (view), TRUE);
4398 view->start_page = -1;
4399 view->end_page = -1;
4402 view->current_page = 0;
4403 view->pressed_button = -1;
4404 view->cursor = EV_VIEW_CURSOR_NORMAL;
4405 view->drag_info.in_drag = FALSE;
4406 view->scroll_info.autoscrolling = FALSE;
4407 view->selection_info.selections = NULL;
4408 view->selection_info.in_selection = FALSE;
4409 view->selection_info.in_drag = FALSE;
4410 view->selection_mode = EV_VIEW_SELECTION_TEXT;
4411 view->continuous = TRUE;
4412 view->dual_page = FALSE;
4413 view->fullscreen = FALSE;
4414 view->sizing_mode = EV_SIZING_FIT_WIDTH;
4415 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4416 view->jump_to_find_result = TRUE;
4417 view->highlight_find_results = FALSE;
4419 gtk_layout_set_hadjustment (GTK_LAYOUT (view), NULL);
4420 gtk_layout_set_vadjustment (GTK_LAYOUT (view), NULL);
4426 ev_view_change_page (EvView *view,
4431 view->current_page = new_page;
4432 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4434 hide_loading_window (view);
4436 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4437 ev_view_handle_cursor_over_xy (view, x, y);
4439 gtk_widget_queue_resize (GTK_WIDGET (view));
4443 job_finished_cb (EvPixbufCache *pixbuf_cache,
4448 GdkWindow *bin_window;
4450 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
4451 gdk_window_invalidate_region (bin_window, region, TRUE);
4453 gtk_widget_queue_draw (GTK_WIDGET (view));
4458 ev_view_page_changed_cb (EvDocumentModel *model,
4463 if (!view->document)
4466 if (view->current_page != new_page) {
4467 ev_view_change_page (view, new_page);
4469 gtk_widget_queue_draw (GTK_WIDGET (view));
4472 view->find_result = 0;
4476 on_adjustment_value_changed (GtkAdjustment *adjustment,
4482 GList *children, *l;
4484 if (!gtk_widget_get_realized (GTK_WIDGET (view)))
4487 if (view->hadjustment) {
4488 value = (gint) gtk_adjustment_get_value (view->hadjustment);
4489 dx = view->scroll_x - value;
4490 view->scroll_x = value;
4495 if (view->vadjustment) {
4496 value = (gint) gtk_adjustment_get_value (view->vadjustment);
4497 dy = view->scroll_y - value;
4498 view->scroll_y = value;
4503 children = gtk_container_get_children (GTK_CONTAINER (view));
4504 for (l = children; l && l->data; l = g_list_next (l)) {
4505 gint child_x, child_y;
4506 GtkWidget *child = (GtkWidget *)l->data;
4508 gtk_container_child_get (GTK_CONTAINER (view),
4513 gtk_layout_move (GTK_LAYOUT (view), child, child_x + dx, child_y + dy);
4515 g_list_free (children);
4517 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
4518 EvViewWindowChild *child;
4520 child = (EvViewWindowChild *)l->data;
4522 ev_view_window_child_move (view, child, child->x + dx, child->y + dy);
4525 if (view->pending_resize) {
4526 gtk_widget_queue_draw (GTK_WIDGET (view));
4528 GdkWindow *bin_window;
4530 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
4531 gdk_window_scroll (bin_window, dx, dy);
4534 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4535 ev_view_handle_cursor_over_xy (view, x, y);
4538 view_update_range_and_current_page (view);
4546 view = g_object_new (EV_TYPE_VIEW, NULL);
4552 setup_caches (EvView *view)
4554 gboolean inverted_colors;
4556 view->height_to_page_cache = ev_view_get_height_to_page_cache (view);
4557 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->model, view->pixbuf_cache_size);
4558 view->page_cache = ev_page_cache_new (view->document);
4559 inverted_colors = ev_document_model_get_inverted_colors (view->model);
4560 ev_pixbuf_cache_set_inverted_colors (view->pixbuf_cache, inverted_colors);
4561 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
4565 clear_caches (EvView *view)
4567 if (view->pixbuf_cache) {
4568 g_object_unref (view->pixbuf_cache);
4569 view->pixbuf_cache = NULL;
4572 if (view->page_cache) {
4573 g_object_unref (view->page_cache);
4574 view->page_cache = NULL;
4579 * ev_view_set_page_cache_size:
4583 * Sets the maximum size in bytes that will be used to cache
4584 * rendered pages. Use 0 to disable caching rendered pages.
4586 * Note that this limit doesn't affect the current visible page range,
4587 * which will always be rendered. In order to limit the total memory used
4588 * you have to use ev_document_model_set_max_scale() too.
4592 ev_view_set_page_cache_size (EvView *view,
4595 if (view->pixbuf_cache_size == cache_size)
4598 view->pixbuf_cache_size = cache_size;
4599 if (view->pixbuf_cache)
4600 ev_pixbuf_cache_set_max_size (view->pixbuf_cache, cache_size);
4604 ev_view_set_loading (EvView *view,
4607 if (view->loading && !loading)
4608 hide_loading_window (view);
4609 view->loading = loading;
4610 gtk_widget_queue_draw (GTK_WIDGET (view));
4614 ev_view_autoscroll_cb (EvView *view)
4616 gdouble speed, value;
4618 /* If the user stops autoscrolling, autoscrolling will be
4619 * set to false but the timeout will continue; stop the timeout: */
4620 if (!view->scroll_info.autoscrolling) {
4621 view->scroll_info.timeout_id = 0;
4625 if (view->scroll_info.last_y > view->scroll_info.start_y &&
4626 (view->scroll_info.last_y < view->scroll_info.start_y))
4629 /* Replace 100 with your speed of choice: The lower the faster.
4630 * Replace 3 with another speed of choice: The higher, the faster it accelerated
4631 * based on the distance of the starting point from the mouse
4632 * (All also effected by the timeout interval of this callback) */
4634 if (view->scroll_info.start_y > view->scroll_info.last_y)
4635 speed = -pow ((((gdouble)view->scroll_info.start_y - view->scroll_info.last_y) / 100), 3);
4637 speed = pow ((((gdouble)view->scroll_info.last_y - view->scroll_info.start_y) / 100), 3);
4639 value = gtk_adjustment_get_value (view->vadjustment);
4640 value = CLAMP (value + speed, 0,
4641 gtk_adjustment_get_upper (view->vadjustment) -
4642 gtk_adjustment_get_page_size (view->vadjustment));
4643 gtk_adjustment_set_value (view->vadjustment, value);
4650 ev_view_autoscroll_start (EvView *view)
4654 g_return_if_fail (EV_IS_VIEW (view));
4656 if (view->scroll_info.autoscrolling)
4659 view->scroll_info.autoscrolling = TRUE;
4660 view->scroll_info.timeout_id =
4661 g_timeout_add (20, (GSourceFunc)ev_view_autoscroll_cb,
4664 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4665 ev_view_handle_cursor_over_xy (view, x, y);
4669 ev_view_autoscroll_stop (EvView *view)
4673 g_return_if_fail (EV_IS_VIEW (view));
4675 if (!view->scroll_info.autoscrolling)
4678 view->scroll_info.autoscrolling = FALSE;
4679 if (view->scroll_info.timeout_id) {
4680 g_source_remove (view->scroll_info.timeout_id);
4681 view->scroll_info.timeout_id = 0;
4684 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4685 ev_view_handle_cursor_over_xy (view, x, y);
4689 ev_view_document_changed_cb (EvDocumentModel *model,
4693 EvDocument *document = ev_document_model_get_document (model);
4695 if (document != view->document) {
4698 clear_caches (view);
4700 if (view->document) {
4701 g_object_unref (view->document);
4704 view->document = document;
4705 view->find_result = 0;
4707 if (view->document) {
4708 view->loading = FALSE;
4709 g_object_ref (view->document);
4710 setup_caches (view);
4713 current_page = ev_document_model_get_page (model);
4714 if (view->current_page != current_page) {
4715 ev_view_change_page (view, current_page);
4717 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4718 gtk_widget_queue_resize (GTK_WIDGET (view));
4724 ev_view_rotation_changed_cb (EvDocumentModel *model,
4728 gint rotation = ev_document_model_get_rotation (model);
4730 view->rotation = rotation;
4732 if (view->pixbuf_cache) {
4733 ev_pixbuf_cache_clear (view->pixbuf_cache);
4734 if (!ev_document_is_page_size_uniform (view->document))
4735 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4736 gtk_widget_queue_resize (GTK_WIDGET (view));
4739 ev_view_remove_all (view);
4742 clear_selection (view);
4746 ev_view_inverted_colors_changed_cb (EvDocumentModel *model,
4750 if (view->pixbuf_cache) {
4751 gboolean inverted_colors;
4753 inverted_colors = ev_document_model_get_inverted_colors (model);
4754 ev_pixbuf_cache_set_inverted_colors (view->pixbuf_cache, inverted_colors);
4755 gtk_widget_queue_draw (GTK_WIDGET (view));
4760 ev_view_sizing_mode_changed_cb (EvDocumentModel *model,
4764 EvSizingMode mode = ev_document_model_get_sizing_mode (model);
4766 view->sizing_mode = mode;
4767 if (mode != EV_SIZING_FREE)
4768 gtk_widget_queue_resize (GTK_WIDGET (view));
4771 #define EPSILON 0.0000001
4773 ev_view_scale_changed_cb (EvDocumentModel *model,
4777 gdouble scale = ev_document_model_get_scale (model);
4779 if (ABS (view->scale - scale) < EPSILON)
4782 view->scale = scale;
4784 view->pending_resize = TRUE;
4785 if (view->sizing_mode == EV_SIZING_FREE)
4786 gtk_widget_queue_resize (GTK_WIDGET (view));
4790 ev_view_continuous_changed_cb (EvDocumentModel *model,
4794 gboolean continuous = ev_document_model_get_continuous (model);
4796 view->continuous = continuous;
4797 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4798 gtk_widget_queue_resize (GTK_WIDGET (view));
4802 ev_view_dual_page_changed_cb (EvDocumentModel *model,
4806 gboolean dual_page = ev_document_model_get_dual_page (model);
4808 view->dual_page = dual_page;
4809 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4810 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
4811 * preload_cache_size to be 2 if dual_page is set.
4813 gtk_widget_queue_resize (GTK_WIDGET (view));
4817 ev_view_fullscreen_changed_cb (EvDocumentModel *model,
4821 gboolean fullscreen = ev_document_model_get_fullscreen (model);
4823 view->fullscreen = fullscreen;
4824 gtk_widget_queue_resize (GTK_WIDGET (view));
4828 ev_view_set_model (EvView *view,
4829 EvDocumentModel *model)
4831 g_return_if_fail (EV_IS_VIEW (view));
4832 g_return_if_fail (EV_IS_DOCUMENT_MODEL (model));
4834 if (model == view->model)
4838 g_signal_handlers_disconnect_by_func (view->model,
4839 ev_view_document_changed_cb,
4841 g_signal_handlers_disconnect_by_func (view->model,
4842 ev_view_page_changed_cb,
4844 g_object_unref (view->model);
4846 view->model = g_object_ref (model);
4848 /* Initialize view from model */
4849 view->rotation = ev_document_model_get_rotation (view->model);
4850 view->sizing_mode = ev_document_model_get_sizing_mode (view->model);
4851 view->scale = ev_document_model_get_scale (view->model);
4852 view->continuous = ev_document_model_get_continuous (view->model);
4853 view->dual_page = ev_document_model_get_dual_page (view->model);
4854 view->fullscreen = ev_document_model_get_fullscreen (view->model);
4855 ev_view_document_changed_cb (view->model, NULL, view);
4857 g_signal_connect (view->model, "notify::document",
4858 G_CALLBACK (ev_view_document_changed_cb),
4860 g_signal_connect (view->model, "notify::rotation",
4861 G_CALLBACK (ev_view_rotation_changed_cb),
4863 g_signal_connect (view->model, "notify::inverted-colors",
4864 G_CALLBACK (ev_view_inverted_colors_changed_cb),
4866 g_signal_connect (view->model, "notify::sizing-mode",
4867 G_CALLBACK (ev_view_sizing_mode_changed_cb),
4869 g_signal_connect (view->model, "notify::scale",
4870 G_CALLBACK (ev_view_scale_changed_cb),
4872 g_signal_connect (view->model, "notify::continuous",
4873 G_CALLBACK (ev_view_continuous_changed_cb),
4875 g_signal_connect (view->model, "notify::dual-page",
4876 G_CALLBACK (ev_view_dual_page_changed_cb),
4878 g_signal_connect (view->model, "notify::fullscreen",
4879 G_CALLBACK (ev_view_fullscreen_changed_cb),
4881 g_signal_connect (view->model, "page-changed",
4882 G_CALLBACK (ev_view_page_changed_cb),
4887 ev_view_reload_page (EvView *view,
4891 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
4899 ev_view_reload (EvView *view)
4901 ev_pixbuf_cache_clear (view->pixbuf_cache);
4902 view_update_range_and_current_page (view);
4905 /*** Zoom and sizing mode ***/
4908 ev_view_can_zoom_in (EvView *view)
4910 return view->scale * ZOOM_IN_FACTOR <= ev_document_model_get_max_scale (view->model);
4914 ev_view_can_zoom_out (EvView *view)
4916 return view->scale * ZOOM_OUT_FACTOR >= ev_document_model_get_min_scale (view->model);
4920 ev_view_zoom_in (EvView *view)
4924 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
4926 view->pending_scroll = SCROLL_TO_CENTER;
4927 scale = ev_document_model_get_scale (view->model) * ZOOM_IN_FACTOR;
4928 ev_document_model_set_scale (view->model, scale);
4932 ev_view_zoom_out (EvView *view)
4936 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
4938 view->pending_scroll = SCROLL_TO_CENTER;
4939 scale = ev_document_model_get_scale (view->model) * ZOOM_OUT_FACTOR;
4940 ev_document_model_set_scale (view->model, scale);
4944 zoom_for_size_fit_width (gdouble doc_width,
4949 return (double)target_width / doc_width;
4953 zoom_for_size_fit_height (gdouble doc_width,
4958 return (double)target_height / doc_height;
4962 zoom_for_size_best_fit (gdouble doc_width,
4970 w_scale = (double)target_width / doc_width;
4971 h_scale = (double)target_height / doc_height;
4973 return MIN (w_scale, h_scale);
4977 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
4981 gdouble doc_width, doc_height;
4986 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
4987 if (view->rotation == 90 || view->rotation == 270) {
4991 doc_width = doc_height;
4995 compute_border (view, doc_width, doc_height, &border);
4998 width -= (2 * (border.left + border.right) + 3 * view->spacing);
4999 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5001 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5003 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5004 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5005 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5006 scale = zoom_for_size_best_fit (doc_width, doc_height, width - sb_size, height);
5008 g_assert_not_reached ();
5010 ev_document_model_set_scale (view->model, scale);
5014 ev_view_zoom_for_size_continuous (EvView *view,
5018 gdouble doc_width, doc_height;
5023 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5024 if (view->rotation == 90 || view->rotation == 270) {
5028 doc_width = doc_height;
5032 compute_border (view, doc_width, doc_height, &border);
5034 width -= (border.left + border.right + 2 * view->spacing);
5035 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5037 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5039 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5040 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5041 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5042 scale = zoom_for_size_best_fit (doc_width, doc_height, width - sb_size, height);
5044 g_assert_not_reached ();
5046 ev_document_model_set_scale (view->model, scale);
5050 ev_view_zoom_for_size_dual_page (EvView *view,
5055 gdouble doc_width, doc_height;
5059 other_page = view->current_page ^ 1;
5061 /* Find the largest of the two. */
5062 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5063 if (other_page < ev_document_get_n_pages (view->document)) {
5064 gdouble width_2, height_2;
5066 get_doc_page_size (view, other_page, &width_2, &height_2);
5067 if (width_2 > doc_width)
5068 doc_width = width_2;
5069 if (height_2 > doc_height)
5070 doc_height = height_2;
5072 compute_border (view, width, height, &border);
5074 doc_width = doc_width * 2;
5075 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
5076 height -= (border.top + border.bottom + 2 * view->spacing);
5078 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5081 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5082 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5083 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5084 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5086 g_assert_not_reached ();
5088 ev_document_model_set_scale (view->model, scale);
5092 ev_view_zoom_for_size_single_page (EvView *view,
5096 gdouble doc_width, doc_height;
5100 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5102 /* Get an approximate border */
5103 compute_border (view, width, height, &border);
5105 width -= (border.left + border.right + 2 * view->spacing);
5106 height -= (border.top + border.bottom + 2 * view->spacing);
5108 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5111 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5112 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5113 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5114 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5116 g_assert_not_reached ();
5118 ev_document_model_set_scale (view->model, scale);
5122 ev_view_zoom_for_size (EvView *view,
5126 g_return_if_fail (EV_IS_VIEW (view));
5127 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
5128 view->sizing_mode == EV_SIZING_BEST_FIT);
5129 g_return_if_fail (width >= 0);
5130 g_return_if_fail (height >= 0);
5132 if (view->document == NULL)
5135 if (view->continuous && view->dual_page)
5136 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height);
5137 else if (view->continuous)
5138 ev_view_zoom_for_size_continuous (view, width, height);
5139 else if (view->dual_page)
5140 ev_view_zoom_for_size_dual_page (view, width, height);
5142 ev_view_zoom_for_size_single_page (view, width, height);
5147 ev_view_find_get_n_results (EvView *view, gint page)
5149 return view->find_pages ? g_list_length (view->find_pages[page]) : 0;
5152 static EvRectangle *
5153 ev_view_find_get_result (EvView *view, gint page, gint result)
5155 return view->find_pages ? (EvRectangle *) g_list_nth_data (view->find_pages[page], result) : NULL;
5159 jump_to_find_result (EvView *view)
5162 gint page = view->current_page;
5164 n_results = ev_view_find_get_n_results (view, page);
5166 if (n_results > 0 && view->find_result < n_results) {
5168 GdkRectangle view_rect;
5170 rect = ev_view_find_get_result (view, page, view->find_result);
5171 doc_rect_to_view_rect (view, page, rect, &view_rect);
5172 ensure_rectangle_is_visible (view, &view_rect);
5173 view->jump_to_find_result = FALSE;
5179 * @view: #EvView instance
5180 * @direction: Direction to look
5181 * @shift: Shift from current page
5183 * Jumps to the first page that has occurences of searched word.
5184 * Uses a direction where to look and a shift from current page.
5188 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
5192 n_pages = ev_document_get_n_pages (view->document);
5194 for (i = 0; i < n_pages; i++) {
5197 if (direction == EV_VIEW_FIND_NEXT)
5198 page = view->current_page + i;
5200 page = view->current_page - i;
5203 if (page >= n_pages) {
5204 page = page - n_pages;
5205 } else if (page < 0)
5206 page = page + n_pages;
5208 if (ev_view_find_get_n_results (view, page) > 0) {
5209 ev_document_model_set_page (view->model, page);
5216 ev_view_find_changed (EvView *view, GList **results, gint page)
5218 view->find_pages = results;
5220 if (view->jump_to_find_result == TRUE) {
5221 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
5222 jump_to_find_result (view);
5225 if (view->current_page == page)
5226 gtk_widget_queue_draw (GTK_WIDGET (view));
5230 ev_view_find_next (EvView *view)
5234 n_results = ev_view_find_get_n_results (view, view->current_page);
5235 view->find_result++;
5237 if (view->find_result >= n_results) {
5238 view->find_result = 0;
5239 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
5240 jump_to_find_result (view);
5242 jump_to_find_result (view);
5243 gtk_widget_queue_draw (GTK_WIDGET (view));
5248 ev_view_find_previous (EvView *view)
5250 view->find_result--;
5252 if (view->find_result < 0) {
5253 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
5254 view->find_result = MAX (0, ev_view_find_get_n_results (view, view->current_page) - 1);
5255 jump_to_find_result (view);
5257 jump_to_find_result (view);
5258 gtk_widget_queue_draw (GTK_WIDGET (view));
5263 ev_view_find_search_changed (EvView *view)
5265 /* search string has changed, focus on new search result */
5266 view->jump_to_find_result = TRUE;
5267 view->find_pages = NULL;
5271 ev_view_find_set_highlight_search (EvView *view, gboolean value)
5273 view->highlight_find_results = value;
5274 gtk_widget_queue_draw (GTK_WIDGET (view));
5278 ev_view_find_cancel (EvView *view)
5280 view->find_pages = NULL;
5283 /*** Selections ***/
5285 /* compute_new_selection_rect/text calculates the area currently selected by
5286 * view_rect. each handles a different mode;
5289 compute_new_selection_rect (EvView *view,
5293 GdkRectangle view_rect;
5297 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
5299 view_rect.x = MIN (start->x, stop->x);
5300 view_rect.y = MIN (start->y, stop->y);
5301 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
5302 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
5304 n_pages = ev_document_get_n_pages (view->document);
5306 for (i = 0; i < n_pages; i++) {
5307 GdkRectangle page_area;
5310 if (get_page_extents (view, i, &page_area, &border)) {
5311 GdkRectangle overlap;
5313 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
5314 EvViewSelection *selection;
5316 selection = g_new0 (EvViewSelection, 1);
5317 selection->page = i;
5318 view_rect_to_doc_rect (view, &overlap, &page_area,
5319 &(selection->rect));
5321 list = g_list_append (list, selection);
5330 gdk_rectangle_point_in (GdkRectangle *rectangle,
5333 return rectangle->x <= point->x &&
5334 rectangle->y <= point->y &&
5335 point->x < rectangle->x + rectangle->width &&
5336 point->y < rectangle->y + rectangle->height;
5340 compute_new_selection_text (EvView *view,
5341 EvSelectionStyle style,
5345 int n_pages, i, first, last;
5347 EvViewSelection *selection;
5348 gdouble width, height;
5349 int start_page, end_page;
5351 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
5353 n_pages = ev_document_get_n_pages (view->document);
5355 /* First figure out the range of pages the selection
5359 if (view->continuous) {
5362 } else if (view->dual_page) {
5363 start_page = view->start_page;
5364 end_page = view->end_page + 1;
5366 start_page = view->current_page;
5367 end_page = view->current_page + 1;
5370 for (i = start_page; i < end_page; i++) {
5371 GdkRectangle page_area;
5374 get_page_extents (view, i, &page_area, &border);
5375 if (gdk_rectangle_point_in (&page_area, start) ||
5376 gdk_rectangle_point_in (&page_area, stop)) {
5377 if (first == n_pages)
5384 /* Now create a list of EvViewSelection's for the affected
5385 * pages. This could be an empty list, a list of just one
5386 * page or a number of pages.*/
5387 for (i = first; i < last + 1; i++) {
5388 GdkRectangle page_area;
5392 get_doc_page_size (view, i, &width, &height);
5394 selection = g_new0 (EvViewSelection, 1);
5395 selection->page = i;
5396 selection->style = style;
5397 selection->rect.x1 = selection->rect.y1 = 0;
5398 selection->rect.x2 = width;
5399 selection->rect.y2 = height;
5401 get_page_extents (view, i, &page_area, &border);
5403 if (gdk_rectangle_point_in (&page_area, start))
5409 view_point_to_doc_point (view, point, &page_area,
5410 &selection->rect.x1,
5411 &selection->rect.y1);
5413 /* If the selection is contained within just one page,
5414 * make sure we don't write 'start' into both points
5415 * in selection->rect. */
5420 view_point_to_doc_point (view, point, &page_area,
5421 &selection->rect.x2,
5422 &selection->rect.y2);
5424 list = g_list_append (list, selection);
5430 /* This function takes the newly calculated list, and figures out which regions
5431 * have changed. It then queues a redraw approporiately.
5434 merge_selection_region (EvView *view,
5438 GList *new_list_ptr, *old_list_ptr;
5440 /* Update the selection */
5441 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
5442 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5443 g_list_free (view->selection_info.selections);
5444 view->selection_info.selections = new_list;
5445 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
5446 g_signal_emit (view, signals[SIGNAL_SELECTION_CHANGED], 0, NULL);
5448 new_list_ptr = new_list;
5449 old_list_ptr = old_list;
5451 while (new_list_ptr || old_list_ptr) {
5452 EvViewSelection *old_sel, *new_sel;
5454 GdkRegion *region = NULL;
5456 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
5457 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
5459 /* Assume that the lists are in order, and we run through them
5460 * comparing them, one page at a time. We come out with the
5461 * first page we see. */
5462 if (new_sel && old_sel) {
5463 if (new_sel->page < old_sel->page) {
5464 new_list_ptr = new_list_ptr->next;
5466 } else if (new_sel->page > old_sel->page) {
5467 old_list_ptr = old_list_ptr->next;
5470 new_list_ptr = new_list_ptr->next;
5471 old_list_ptr = old_list_ptr->next;
5473 } else if (new_sel) {
5474 new_list_ptr = new_list_ptr->next;
5475 } else if (old_sel) {
5476 old_list_ptr = old_list_ptr->next;
5479 g_assert (new_sel || old_sel);
5481 /* is the page we're looking at on the screen?*/
5482 cur_page = new_sel ? new_sel->page : old_sel->page;
5483 if (cur_page < view->start_page || cur_page > view->end_page)
5486 /* seed the cache with a new page. We are going to need the new
5489 GdkRegion *tmp_region = NULL;
5491 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
5496 if (tmp_region && !gdk_region_empty (tmp_region)) {
5497 new_sel->covered_region = gdk_region_copy (tmp_region);
5501 /* Now we figure out what needs redrawing */
5502 if (old_sel && new_sel) {
5503 if (old_sel->covered_region && new_sel->covered_region) {
5504 /* We only want to redraw the areas that have
5505 * changed, so we xor the old and new regions
5506 * and redraw if it's different */
5507 region = gdk_region_copy (old_sel->covered_region);
5508 gdk_region_xor (region, new_sel->covered_region);
5509 if (gdk_region_empty (region)) {
5510 gdk_region_destroy (region);
5513 } else if (old_sel->covered_region) {
5514 region = gdk_region_copy (old_sel->covered_region);
5515 } else if (new_sel->covered_region) {
5516 region = gdk_region_copy (new_sel->covered_region);
5518 } else if (old_sel && !new_sel) {
5519 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
5520 region = gdk_region_copy (old_sel->covered_region);
5522 } else if (!old_sel && new_sel) {
5523 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
5524 region = gdk_region_copy (new_sel->covered_region);
5527 g_assert_not_reached ();
5530 /* Redraw the damaged region! */
5532 GdkWindow *bin_window;
5533 GdkRectangle page_area;
5536 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
5538 /* I don't know why but the region is smaller
5539 * than expected. This hack fixes it, I guess
5540 * 10 pixels more won't hurt
5542 gdk_region_shrink (region, -5, -5);
5544 get_page_extents (view, cur_page, &page_area, &border);
5545 gdk_region_offset (region,
5546 page_area.x + border.left - view->scroll_x,
5547 page_area.y + border.top - view->scroll_y);
5548 gdk_window_invalidate_region (bin_window, region, TRUE);
5549 gdk_region_destroy (region);
5553 /* Free the old list, now that we're done with it. */
5554 g_list_foreach (old_list, (GFunc) selection_free, NULL);
5555 g_list_free (old_list);
5559 compute_selections (EvView *view,
5560 EvSelectionStyle style,
5566 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
5567 list = compute_new_selection_rect (view, start, stop);
5569 list = compute_new_selection_text (view, style, start, stop);
5570 merge_selection_region (view, list);
5573 /* Free's the selection. It's up to the caller to queue redraws if needed.
5576 selection_free (EvViewSelection *selection)
5578 if (selection->covered_region)
5579 gdk_region_destroy (selection->covered_region);
5584 clear_selection (EvView *view)
5586 if (view->selection_info.selections) {
5587 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5588 g_list_free (view->selection_info.selections);
5589 view->selection_info.selections = NULL;
5591 g_signal_emit (view, signals[SIGNAL_SELECTION_CHANGED], 0, NULL);
5593 view->selection_info.in_selection = FALSE;
5594 if (view->pixbuf_cache)
5595 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
5599 ev_view_select_all (EvView *view)
5601 GList *selections = NULL;
5604 /* Disable selection on rotated pages for the 0.4.0 series */
5605 if (view->rotation != 0)
5608 clear_selection (view);
5610 n_pages = ev_document_get_n_pages (view->document);
5611 for (i = 0; i < n_pages; i++) {
5612 gdouble width, height;
5613 EvViewSelection *selection;
5615 get_doc_page_size (view, i, &width, &height);
5617 selection = g_new0 (EvViewSelection, 1);
5618 selection->page = i;
5619 selection->style = EV_SELECTION_STYLE_GLYPH;
5620 selection->rect.x1 = selection->rect.y1 = 0;
5621 selection->rect.x2 = width;
5622 selection->rect.y2 = height;
5624 selections = g_list_append (selections, selection);
5627 merge_selection_region (view, selections);
5628 gtk_widget_queue_draw (GTK_WIDGET (view));
5632 ev_view_get_has_selection (EvView *view)
5634 return view->selection_info.selections != NULL;
5638 get_selected_text (EvView *view)
5642 gchar *normalized_text;
5644 text = g_string_new (NULL);
5646 ev_document_doc_mutex_lock ();
5648 for (l = view->selection_info.selections; l != NULL; l = l->next) {
5649 EvViewSelection *selection = (EvViewSelection *)l->data;
5653 page = ev_document_get_page (view->document, selection->page);
5654 tmp = ev_selection_get_selected_text (EV_SELECTION (view->document),
5655 page, selection->style,
5656 &(selection->rect));
5657 g_object_unref (page);
5658 g_string_append (text, tmp);
5662 ev_document_doc_mutex_unlock ();
5664 normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC);
5665 g_string_free (text, TRUE);
5666 return normalized_text;
5670 ev_view_clipboard_copy (EvView *view,
5673 GtkClipboard *clipboard;
5675 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
5676 GDK_SELECTION_CLIPBOARD);
5677 gtk_clipboard_set_text (clipboard, text, -1);
5681 ev_view_copy (EvView *ev_view)
5685 if (!EV_IS_SELECTION (ev_view->document))
5688 text = get_selected_text (ev_view);
5689 ev_view_clipboard_copy (ev_view, text);
5694 ev_view_primary_get_cb (GtkClipboard *clipboard,
5695 GtkSelectionData *selection_data,
5699 EvView *ev_view = EV_VIEW (data);
5701 if (ev_view->link_selected) {
5702 gtk_selection_data_set_text (selection_data,
5703 ev_link_action_get_uri (ev_view->link_selected),
5705 } else if (EV_IS_SELECTION (ev_view->document) &&
5706 ev_view->selection_info.selections) {
5709 text = get_selected_text (ev_view);
5711 gtk_selection_data_set_text (selection_data, text, -1);
5718 ev_view_primary_clear_cb (GtkClipboard *clipboard,
5721 EvView *view = EV_VIEW (data);
5723 clear_selection (view);
5724 clear_link_selected (view);
5728 ev_view_update_primary_selection (EvView *ev_view)
5730 GtkClipboard *clipboard;
5732 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
5733 GDK_SELECTION_PRIMARY);
5735 if (ev_view->selection_info.selections || ev_view->link_selected) {
5736 GtkTargetList *target_list;
5737 GtkTargetEntry *targets;
5740 target_list = gtk_target_list_new (NULL, 0);
5741 gtk_target_list_add_text_targets (target_list, 0);
5742 targets = gtk_target_table_new_from_list (target_list, &n_targets);
5743 gtk_target_list_unref (target_list);
5745 if (!gtk_clipboard_set_with_owner (clipboard,
5747 ev_view_primary_get_cb,
5748 ev_view_primary_clear_cb,
5749 G_OBJECT (ev_view)))
5750 ev_view_primary_clear_cb (clipboard, ev_view);
5752 gtk_target_table_free (targets, n_targets);
5754 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
5755 gtk_clipboard_clear (clipboard);
5760 clear_link_selected (EvView *view)
5762 if (view->link_selected) {
5763 g_object_unref (view->link_selected);
5764 view->link_selected = NULL;
5769 ev_view_copy_link_address (EvView *view,
5770 EvLinkAction *action)
5772 clear_link_selected (view);
5774 ev_view_clipboard_copy (view, ev_link_action_get_uri (action));
5776 view->link_selected = g_object_ref (action);
5777 ev_view_update_primary_selection (view);
5780 /*** Cursor operations ***/
5782 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
5784 GdkCursor *cursor = NULL;
5786 GdkWindow *bin_window;
5788 if (view->cursor == new_cursor) {
5792 view->cursor = new_cursor;
5794 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
5795 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
5796 cursor = ev_view_cursor_new (gtk_widget_get_display (widget), new_cursor);
5797 gdk_window_set_cursor (bin_window, cursor);
5800 gdk_cursor_unref (cursor);
5804 ev_view_hide_cursor (EvView *view)
5806 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
5810 ev_view_show_cursor (EvView *view)
5812 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
5816 ev_view_next_page (EvView *view)
5820 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5822 if (!view->document)
5825 page = ev_document_model_get_page (view->model);
5826 n_pages = ev_document_get_n_pages (view->document);
5828 if (view->dual_page)
5833 if (page < n_pages) {
5834 ev_document_model_set_page (view->model, page);
5836 } else if (view->dual_page && page == n_pages) {
5837 ev_document_model_set_page (view->model, page - 1);
5845 ev_view_previous_page (EvView *view)
5849 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5851 if (!view->document)
5854 page = ev_document_model_get_page (view->model);
5856 if (view->dual_page)
5862 ev_document_model_set_page (view->model, page);
5864 } else if (view->dual_page && page == -1) {
5865 ev_document_model_set_page (view->model, 0);