1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
2 /* this file is part of evince, a gnome document viewer
4 * Copyright (C) 2004 Red Hat, Inc
6 * Evince is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Evince is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
27 #include <glib/gi18n-lib.h>
29 #include <gdk/gdkkeysyms.h>
31 #include "ev-mapping.h"
32 #include "ev-document-forms.h"
33 #include "ev-document-images.h"
34 #include "ev-document-links.h"
35 #include "ev-document-misc.h"
36 #include "ev-document-transition.h"
37 #include "ev-pixbuf-cache.h"
38 #include "ev-page-cache.h"
39 #include "ev-transition-animation.h"
40 #include "ev-view-marshal.h"
41 #include "ev-document-annotations.h"
42 #include "ev-annotation-window.h"
44 #include "ev-view-accessible.h"
45 #include "ev-view-private.h"
46 #include "ev-view-type-builtins.h"
48 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
49 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
50 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
59 SIGNAL_BINDING_ACTIVATED,
72 static guint signals[N_SIGNALS];
77 } EvViewFindDirection;
79 #define ZOOM_IN_FACTOR 1.2
80 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
82 #define SCROLL_TIME 150
85 static void ev_view_set_scroll_adjustments (GtkLayout *layout,
86 GtkAdjustment *hadjustment,
87 GtkAdjustment *vadjustment);
88 static void view_update_range_and_current_page (EvView *view);
89 static void set_scroll_adjustment (EvView *view,
90 GtkOrientation orientation,
91 GtkAdjustment *adjustment);
92 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
94 GdkModifierType modifiers,
97 static void ensure_rectangle_is_visible (EvView *view,
100 /*** Geometry computations ***/
101 static void compute_border (EvView *view,
105 static void get_page_y_offset (EvView *view,
108 static gboolean get_page_extents (EvView *view,
110 GdkRectangle *page_area,
112 static void view_rect_to_doc_rect (EvView *view,
113 GdkRectangle *view_rect,
114 GdkRectangle *page_area,
115 EvRectangle *doc_rect);
116 static void doc_rect_to_view_rect (EvView *view,
118 EvRectangle *doc_rect,
119 GdkRectangle *view_rect);
120 static gboolean get_dual_even_left (EvView *view);
121 static void find_page_at_location (EvView *view,
127 static void doc_point_to_view_point (EvView *view,
130 GdkPoint *view_point);
132 static EvLink * ev_view_get_link_at_location (EvView *view,
135 static char* tip_from_link (EvView *view,
138 static EvFormField *ev_view_get_form_field_at_location (EvView *view,
142 /*** Annotations ***/
143 static EvAnnotation *ev_view_get_annotation_at_location (EvView *view,
146 static void show_annotation_windows (EvView *view,
148 static void hide_annotation_windows (EvView *view,
150 /*** GtkWidget implementation ***/
151 static void ev_view_size_request_continuous_dual_page (EvView *view,
152 GtkRequisition *requisition);
153 static void ev_view_size_request_continuous (EvView *view,
154 GtkRequisition *requisition);
155 static void ev_view_size_request_dual_page (EvView *view,
156 GtkRequisition *requisition);
157 static void ev_view_size_request_single_page (EvView *view,
158 GtkRequisition *requisition);
159 static void ev_view_size_request (GtkWidget *widget,
160 GtkRequisition *requisition);
161 static void ev_view_size_allocate (GtkWidget *widget,
162 GtkAllocation *allocation);
163 static void ev_view_realize (GtkWidget *widget);
164 static gboolean ev_view_scroll_event (GtkWidget *widget,
165 GdkEventScroll *event);
166 static gboolean ev_view_expose_event (GtkWidget *widget,
167 GdkEventExpose *event);
168 static gboolean ev_view_popup_menu (GtkWidget *widget);
169 static gboolean ev_view_button_press_event (GtkWidget *widget,
170 GdkEventButton *event);
171 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
172 GdkEventMotion *event);
173 static gboolean ev_view_button_release_event (GtkWidget *widget,
174 GdkEventButton *event);
175 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
176 GdkEventCrossing *event);
177 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
178 GdkEventCrossing *event);
179 static void ev_view_style_set (GtkWidget *widget,
180 GtkStyle *old_style);
181 static void ev_view_remove_all (EvView *view);
183 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
186 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
187 static void draw_rubberband (GtkWidget *widget,
189 const GdkRectangle *rect,
191 static void highlight_find_results (EvView *view,
193 static void draw_one_page (EvView *view,
196 GdkRectangle *page_area,
198 GdkRectangle *expose_area,
199 gboolean *page_ready);
200 static void draw_loading_text (EvView *view,
201 GdkRectangle *page_area,
202 GdkRectangle *expose_area);
203 static void ev_view_reload_page (EvView *view,
208 static void ev_view_change_page (EvView *view,
210 gboolean start_transition);
211 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
214 static void ev_view_page_changed_cb (EvDocumentModel *model,
218 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
222 static void ev_view_finalize (GObject *object);
223 static void ev_view_destroy (GtkObject *object);
224 static void ev_view_set_property (GObject *object,
228 static void ev_view_get_property (GObject *object,
232 static void ev_view_class_init (EvViewClass *class);
233 static void ev_view_init (EvView *view);
235 /*** Zoom and sizing ***/
236 static double zoom_for_size_fit_width (gdouble doc_width,
240 static double zoom_for_size_fit_height (gdouble doc_width,
244 static double zoom_for_size_best_fit (gdouble doc_width,
248 static void ev_view_zoom_for_size (EvView *view,
251 static void ev_view_zoom_for_size_presentation (EvView *view,
254 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
257 static void ev_view_zoom_for_size_continuous (EvView *view,
260 static void ev_view_zoom_for_size_dual_page (EvView *view,
263 static void ev_view_zoom_for_size_single_page (EvView *view,
267 static GdkCursor* ev_view_create_invisible_cursor (void);
268 static void ev_view_set_cursor (EvView *view,
269 EvViewCursor new_cursor);
270 static void ev_view_handle_cursor_over_xy (EvView *view,
275 static gint ev_view_find_get_n_results (EvView *view,
277 static EvRectangle *ev_view_find_get_result (EvView *view,
280 static void jump_to_find_result (EvView *view);
281 static void jump_to_find_page (EvView *view,
282 EvViewFindDirection direction,
286 static void compute_selections (EvView *view,
287 EvSelectionStyle style,
290 static void clear_selection (EvView *view);
291 static void clear_link_selected (EvView *view);
292 static void selection_free (EvViewSelection *selection);
293 static char* get_selected_text (EvView *ev_view);
294 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
295 GtkSelectionData *selection_data,
298 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
300 static void ev_view_update_primary_selection (EvView *ev_view);
302 /*** Presentation ***/
303 static void ev_view_presentation_transition_start (EvView *ev_view);
304 static void ev_view_presentation_transition_stop (EvView *ev_view);
307 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_LAYOUT)
309 /* HeightToPage cache */
310 #define EV_HEIGHT_TO_PAGE_CACHE_KEY "ev-height-to-page-cache"
313 build_height_to_page (EvHeightToPageCache *cache,
314 EvDocument *document,
317 gboolean swap, uniform, dual_even_left;
319 double uniform_height, page_height, next_page_height;
321 gdouble u_width, u_height;
324 swap = (rotation == 90 || rotation == 270);
326 uniform = ev_document_is_page_size_uniform (document);
327 n_pages = ev_document_get_n_pages (document);
328 dual_even_left = (n_pages > 2);
330 g_free (cache->height_to_page);
331 g_free (cache->dual_height_to_page);
333 cache->rotation = rotation;
334 cache->height_to_page = g_new0 (gdouble, n_pages + 1);
335 cache->dual_height_to_page = g_new0 (gdouble, n_pages + 2);
338 ev_document_get_page_size (document, 0, &u_width, &u_height);
341 for (i = 0; i <= n_pages; i++) {
343 uniform_height = swap ? u_width : u_height;
344 cache->height_to_page[i] = i * uniform_height;
349 ev_document_get_page_size (document, i, &w, &h);
350 page_height = swap ? w : h;
354 cache->height_to_page[i] = saved_height;
355 saved_height += page_height;
359 if (dual_even_left && !uniform) {
362 ev_document_get_page_size (document, 0, &w, &h);
363 saved_height = swap ? w : h;
368 for (i = dual_even_left; i < n_pages + 2; i += 2) {
370 uniform_height = swap ? u_width : u_height;
371 cache->dual_height_to_page[i] = ((i + dual_even_left) / 2) * uniform_height;
372 if (i + 1 < n_pages + 2)
373 cache->dual_height_to_page[i + 1] = ((i + dual_even_left) / 2) * uniform_height;
375 if (i + 1 < n_pages) {
378 ev_document_get_page_size (document, i + 1, &w, &h);
379 next_page_height = swap ? w : h;
381 next_page_height = 0;
387 ev_document_get_page_size (document, i, &w, &h);
388 page_height = swap ? w : h;
393 if (i + 1 < n_pages + 2) {
394 cache->dual_height_to_page[i] = saved_height;
395 cache->dual_height_to_page[i + 1] = saved_height;
396 saved_height += MAX(page_height, next_page_height);
398 cache->dual_height_to_page[i] = saved_height;
405 ev_height_to_page_cache_get_height (EvHeightToPageCache *cache,
406 EvDocument *document,
410 gdouble *dual_height)
412 if (cache->rotation != rotation)
413 build_height_to_page (cache, document, rotation);
415 *height = cache->height_to_page[page];
416 *dual_height = cache->dual_height_to_page[page];
420 ev_height_to_page_cache_free (EvHeightToPageCache *cache)
422 if (cache->height_to_page) {
423 g_free (cache->height_to_page);
424 cache->height_to_page = NULL;
427 if (cache->dual_height_to_page) {
428 g_free (cache->dual_height_to_page);
429 cache->dual_height_to_page = NULL;
434 static EvHeightToPageCache *
435 ev_view_get_height_to_page_cache (EvView *view)
437 EvHeightToPageCache *cache;
442 cache = g_object_get_data (G_OBJECT (view->document), EV_HEIGHT_TO_PAGE_CACHE_KEY);
444 cache = g_new0 (EvHeightToPageCache, 1);
445 build_height_to_page (cache, view->document, view->rotation);
446 g_object_set_data_full (G_OBJECT (view->document),
447 EV_HEIGHT_TO_PAGE_CACHE_KEY,
449 (GDestroyNotify)ev_height_to_page_cache_free);
456 ev_view_get_height_to_page (EvView *view,
463 if (!view->height_to_page_cache)
466 ev_height_to_page_cache_get_height (view->height_to_page_cache,
472 *height = (gint)(h * view->scale + 0.5);
475 *dual_height = (gint)(dh * view->scale + 0.5);
479 ev_view_get_scrollbar_size (EvView *view,
480 GtkOrientation orientation)
482 GtkWidget *widget = GTK_WIDGET (view);
484 GtkWidget *swindow = gtk_widget_get_parent (GTK_WIDGET (view));
488 if (!GTK_IS_SCROLLED_WINDOW (swindow))
491 if (orientation == GTK_ORIENTATION_VERTICAL) {
492 if (widget->allocation.height >= widget->requisition.height)
493 sb = gtk_scrolled_window_get_vscrollbar (GTK_SCROLLED_WINDOW (swindow));
497 if (widget->allocation.width >= widget->requisition.width)
498 sb = gtk_scrolled_window_get_hscrollbar (GTK_SCROLLED_WINDOW (swindow));
503 gtk_widget_style_get (swindow, "scrollbar_spacing", &spacing, NULL);
504 gtk_widget_size_request (sb, &req);
506 return (orientation == GTK_ORIENTATION_VERTICAL ? req.width : req.height) + spacing;
510 scroll_to_point (EvView *view,
513 GtkOrientation orientation)
515 if (orientation == GTK_ORIENTATION_VERTICAL) {
516 if (view->continuous) {
517 gtk_adjustment_clamp_page (view->vadjustment,
518 y - view->spacing / 2,
519 y + view->vadjustment->page_size);
521 gtk_adjustment_set_value (view->vadjustment,
523 view->vadjustment->lower,
524 view->vadjustment->upper -
525 view->vadjustment->page_size));
528 if (view->dual_page) {
529 gtk_adjustment_clamp_page (view->hadjustment, x,
530 x + view->hadjustment->page_size);
532 gtk_adjustment_set_value (view->hadjustment,
534 view->hadjustment->lower,
535 view->hadjustment->upper -
536 view->hadjustment->page_size));
542 ev_view_scroll_to_page_position (EvView *view, GtkOrientation orientation)
549 if ((orientation == GTK_ORIENTATION_VERTICAL && view->pending_point.y == 0) ||
550 (orientation == GTK_ORIENTATION_HORIZONTAL && view->pending_point.x == 0)) {
551 GdkRectangle page_area;
554 get_page_extents (view, view->current_page, &page_area, &border);
560 doc_point_to_view_point (view, view->current_page,
561 &view->pending_point, &view_point);
566 scroll_to_point (view, x, y, orientation);
570 view_set_adjustment_values (EvView *view,
571 GtkOrientation orientation)
573 GtkWidget *widget = GTK_WIDGET (view);
574 GtkAdjustment *adjustment;
581 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
582 requisition = widget->requisition.width;
583 allocation = widget->allocation.width;
584 adjustment = view->hadjustment;
586 requisition = widget->requisition.height;
587 allocation = widget->allocation.height;
588 adjustment = view->vadjustment;
595 switch (view->pending_scroll) {
596 case SCROLL_TO_KEEP_POSITION:
597 case SCROLL_TO_FIND_LOCATION:
598 factor = (adjustment->value) / adjustment->upper;
600 case SCROLL_TO_PAGE_POSITION:
602 case SCROLL_TO_CENTER:
603 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
607 adjustment->page_size = allocation;
608 adjustment->step_increment = allocation * 0.1;
609 adjustment->page_increment = allocation * 0.9;
610 adjustment->lower = 0;
611 adjustment->upper = MAX (allocation, requisition);
614 * We add 0.5 to the values before to average out our rounding errors.
616 switch (view->pending_scroll) {
617 case SCROLL_TO_KEEP_POSITION:
618 case SCROLL_TO_FIND_LOCATION:
619 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
620 gtk_adjustment_set_value (adjustment, (int)new_value);
622 case SCROLL_TO_PAGE_POSITION:
623 ev_view_scroll_to_page_position (view, orientation);
625 case SCROLL_TO_CENTER:
626 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
627 0, adjustment->upper - adjustment->page_size);
628 gtk_adjustment_set_value (adjustment, (int)new_value);
632 gtk_adjustment_changed (adjustment);
636 view_update_range_and_current_page (EvView *view)
638 gint start = view->start_page;
639 gint end = view->end_page;
641 if (ev_document_get_n_pages (view->document) <= 0 ||
642 !ev_document_check_dimensions (view->document))
645 /* Presentation trumps all other modes */
646 if (view->presentation) {
647 view->start_page = view->current_page;
648 view->end_page = view->current_page;
649 } else if (view->continuous) {
650 GdkRectangle current_area, unused, page_area;
652 gboolean found = FALSE;
653 gint area_max = -1, area;
654 gint best_current_page = -1;
657 if (!(view->vadjustment && view->hadjustment))
660 current_area.x = view->hadjustment->value;
661 current_area.width = view->hadjustment->page_size;
662 current_area.y = view->vadjustment->value;
663 current_area.height = view->vadjustment->page_size;
665 for (i = 0; i < ev_document_get_n_pages (view->document); i++) {
667 get_page_extents (view, i, &page_area, &border);
669 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
670 area = unused.width * unused.height;
674 view->start_page = i;
676 best_current_page = i;
678 if (area > area_max) {
679 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
685 } else if (found && view->current_page <= view->end_page) {
686 if (view->dual_page && j < 1) {
687 /* In dual mode we stop searching
688 * after two consecutive non-visible pages.
697 if (view->pending_scroll == SCROLL_TO_KEEP_POSITION) {
698 best_current_page = MAX (best_current_page, view->start_page);
700 if (view->current_page != best_current_page) {
701 view->current_page = best_current_page;
702 ev_document_model_set_page (view->model, best_current_page);
705 } else if (view->dual_page) {
706 if (view->current_page % 2 == get_dual_even_left (view)) {
707 view->start_page = view->current_page;
708 if (view->current_page + 1 < ev_document_get_n_pages (view->document))
709 view->end_page = view->start_page + 1;
711 view->end_page = view->start_page;
713 if (view->current_page < 1)
714 view->start_page = view->current_page;
716 view->start_page = view->current_page - 1;
717 view->end_page = view->current_page;
720 view->start_page = view->current_page;
721 view->end_page = view->current_page;
724 if (start != view->start_page || end != view->end_page) {
727 for (i = start; i < view->start_page && start != -1; i++) {
728 hide_annotation_windows (view, i);
731 for (i = end; i > view->end_page && end != -1; i--) {
732 hide_annotation_windows (view, i);
736 ev_page_cache_set_page_range (view->page_cache,
739 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
744 view->selection_info.selections);
746 if (ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page))
747 gtk_widget_queue_draw (GTK_WIDGET (view));
751 set_scroll_adjustment (EvView *view,
752 GtkOrientation orientation,
753 GtkAdjustment *adjustment)
755 GtkAdjustment **to_set;
757 if (orientation == GTK_ORIENTATION_HORIZONTAL)
758 to_set = &view->hadjustment;
760 to_set = &view->vadjustment;
762 if (*to_set != adjustment) {
764 g_signal_handlers_disconnect_by_func (*to_set,
765 (gpointer) on_adjustment_value_changed,
767 g_object_unref (*to_set);
770 *to_set = adjustment;
771 view_set_adjustment_values (view, orientation);
774 g_object_ref (*to_set);
775 g_signal_connect (*to_set, "value_changed",
776 G_CALLBACK (on_adjustment_value_changed), view);
782 ev_view_set_scroll_adjustments (GtkLayout *layout,
783 GtkAdjustment *hadjustment,
784 GtkAdjustment *vadjustment)
786 EvView *view = EV_VIEW (layout);
788 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
789 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
791 on_adjustment_value_changed (NULL, view);
795 add_scroll_binding_keypad (GtkBindingSet *binding_set,
797 GdkModifierType modifiers,
798 GtkScrollType scroll,
801 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
803 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
804 "binding_activated", 2,
805 GTK_TYPE_SCROLL_TYPE, scroll,
806 G_TYPE_BOOLEAN, horizontal);
807 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
808 "binding_activated", 2,
809 GTK_TYPE_SCROLL_TYPE, scroll,
810 G_TYPE_BOOLEAN, horizontal);
814 compute_scroll_increment (EvView *view,
815 GtkScrollType scroll)
817 GtkWidget *widget = GTK_WIDGET (view);
818 GtkAdjustment *adjustment = view->vadjustment;
819 GdkRegion *text_region, *region;
822 EvRectangle doc_rect;
823 GdkRectangle page_area;
827 gdouble fraction = 1.0;
829 if (scroll != GTK_SCROLL_PAGE_BACKWARD && scroll != GTK_SCROLL_PAGE_FORWARD)
830 return adjustment->page_size;
832 page = scroll == GTK_SCROLL_PAGE_BACKWARD ? view->start_page : view->end_page;
834 text_region = ev_page_cache_get_text_mapping (view->page_cache, page);
835 if (!text_region || gdk_region_empty (text_region))
836 return adjustment->page_size;
838 get_page_extents (view, page, &page_area, &border);
839 rect.x = page_area.x + view->scroll_x;
840 rect.y = view->scroll_y + (scroll == GTK_SCROLL_PAGE_BACKWARD ? 5 : widget->allocation.height - 5);
841 rect.width = page_area.width;
843 view_rect_to_doc_rect (view, &rect, &page_area, &doc_rect);
845 /* Convert the doc rectangle into a GdkRectangle */
846 rect.x = doc_rect.x1;
847 rect.y = doc_rect.y1;
848 rect.width = doc_rect.x2 - doc_rect.x1;
849 rect.height = MAX (1, doc_rect.y2 - doc_rect.y1);
850 region = gdk_region_rectangle (&rect);
852 gdk_region_intersect (region, text_region);
853 gdk_region_get_rectangles (region, &recs, &n_recs);
854 gdk_region_destroy (region);
859 ev_page = ev_document_get_page (view->document, page);
860 rc = ev_render_context_new (ev_page, view->rotation, view->scale);
861 g_object_unref (ev_page);
862 /* Get the selection region to know the height of the line */
863 doc_rect.x1 = doc_rect.x2 = recs[0].x + 0.5;
864 doc_rect.y1 = doc_rect.y2 = recs[0].y + 0.5;
866 ev_document_doc_mutex_lock ();
867 region = ev_selection_get_selection_region (EV_SELECTION (view->document),
868 rc, EV_SELECTION_STYLE_LINE,
870 ev_document_doc_mutex_unlock ();
874 gdk_region_get_rectangles (region, &recs, &n_recs);
875 gdk_region_destroy (region);
877 fraction = 1 - (recs[0].height / adjustment->page_size);
882 return adjustment->page_size * fraction;
887 ev_view_scroll (EvView *view,
888 GtkScrollType scroll,
891 GtkAdjustment *adjustment;
892 double value, increment;
893 gboolean first_page = FALSE;
894 gboolean last_page = FALSE;
896 view->jump_to_find_result = FALSE;
898 if (view->presentation || view->sizing_mode == EV_SIZING_BEST_FIT) {
900 case GTK_SCROLL_PAGE_BACKWARD:
901 case GTK_SCROLL_STEP_BACKWARD:
902 ev_view_previous_page (view);
904 case GTK_SCROLL_PAGE_FORWARD:
905 case GTK_SCROLL_STEP_FORWARD:
906 ev_view_next_page (view);
914 /* Assign values for increment and vertical adjustment */
915 adjustment = horizontal ? view->hadjustment : view->vadjustment;
916 value = adjustment->value;
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 == (adjustment->lower) && first_page) {
929 /* At the top of a page, assign the upper bound limit of previous page */
930 } else if (value == (adjustment->lower)) {
931 value = adjustment->upper - adjustment->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, adjustment->lower);
939 case GTK_SCROLL_PAGE_FORWARD:
940 /* Do not jump forward if at the last page */
941 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
943 /* At the bottom of a page, assign the lower bound limit of next page */
944 } else if (value == (adjustment->upper - adjustment->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, adjustment->upper - adjustment->page_size);
953 case GTK_SCROLL_STEP_BACKWARD:
954 value -= adjustment->step_increment;
956 case GTK_SCROLL_STEP_FORWARD:
957 value += adjustment->step_increment;
959 case GTK_SCROLL_STEP_DOWN:
960 value -= adjustment->step_increment / 10;
962 case GTK_SCROLL_STEP_UP:
963 value += adjustment->step_increment / 10;
969 value = CLAMP (value, adjustment->lower,
970 adjustment->upper - adjustment->page_size);
972 gtk_adjustment_set_value (adjustment, value);
978 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
980 GtkWidget *widget = GTK_WIDGET (view);
981 GtkAdjustment *adjustment;
984 view->pending_scroll = SCROLL_TO_FIND_LOCATION;
986 adjustment = view->vadjustment;
988 if (rect->y < adjustment->value) {
989 value = MAX (adjustment->lower, rect->y - MARGIN);
990 gtk_adjustment_set_value (view->vadjustment, value);
991 } else if (rect->y + rect->height >
992 adjustment->value + widget->allocation.height) {
993 value = MIN (adjustment->upper, rect->y + rect->height -
994 widget->allocation.height + MARGIN);
995 gtk_adjustment_set_value (view->vadjustment, value);
998 adjustment = view->hadjustment;
1000 if (rect->x < adjustment->value) {
1001 value = MAX (adjustment->lower, rect->x - MARGIN);
1002 gtk_adjustment_set_value (view->hadjustment, value);
1003 } else if (rect->x + rect->height >
1004 adjustment->value + widget->allocation.width) {
1005 value = MIN (adjustment->upper, rect->x + rect->width -
1006 widget->allocation.width + MARGIN);
1007 gtk_adjustment_set_value (view->hadjustment, value);
1010 gtk_widget_queue_resize (GTK_WIDGET (view));
1013 /*** Geometry computations ***/
1016 compute_border (EvView *view, int width, int height, GtkBorder *border)
1018 if (view->presentation) {
1024 ev_document_misc_get_page_border_size (width, height, border);
1029 _get_page_size_for_scale_and_rotation (EvDocument *document,
1039 ev_document_get_page_size (document, page, &w, &h);
1041 width = (gint)(w * scale + 0.5);
1042 height = (gint)(h * scale + 0.5);
1045 *page_width = (rotation == 0 || rotation == 180) ? width : height;
1047 *page_height = (rotation == 0 || rotation == 180) ? height : width;
1051 ev_view_get_page_size (EvView *view,
1056 _get_page_size_for_scale_and_rotation (view->document,
1065 ev_view_get_max_page_size (EvView *view,
1072 ev_document_get_max_page_size (view->document, &w, &h);
1074 width = (gint)(w * view->scale + 0.5);
1075 height = (gint)(h * view->scale + 0.5);
1078 *max_width = (view->rotation == 0 || view->rotation == 180) ? width : height;
1080 *max_height = (view->rotation == 0 || view->rotation == 180) ? height : width;
1084 get_page_y_offset (EvView *view, int page, int *y_offset)
1086 int max_width, offset;
1089 g_return_if_fail (y_offset != NULL);
1091 ev_view_get_max_page_size (view, &max_width, NULL);
1092 compute_border (view, max_width, max_width, &border);
1094 if (view->dual_page) {
1095 ev_view_get_height_to_page (view, page, NULL, &offset);
1096 offset += ((page + get_dual_even_left (view)) / 2 + 1) * view->spacing +
1097 ((page + get_dual_even_left (view)) / 2 ) * (border.top + border.bottom);
1099 ev_view_get_height_to_page (view, page, &offset, NULL);
1100 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
1108 get_page_extents (EvView *view,
1110 GdkRectangle *page_area,
1116 widget = GTK_WIDGET (view);
1118 /* Get the size of the page */
1119 ev_view_get_page_size (view, page, &width, &height);
1120 compute_border (view, width, height, border);
1121 page_area->width = width + border->left + border->right;
1122 page_area->height = height + border->top + border->bottom;
1124 if (view->presentation) {
1125 page_area->x = (MAX (0, widget->allocation.width - width))/2;
1126 page_area->y = (MAX (0, widget->allocation.height - height))/2;
1127 } else if (view->continuous) {
1131 ev_view_get_max_page_size (view, &max_width, NULL);
1132 max_width = max_width + border->left + border->right;
1133 /* Get the location of the bounding box */
1134 if (view->dual_page) {
1135 x = view->spacing + ((page % 2 == get_dual_even_left (view)) ? 0 : 1) * (max_width + view->spacing);
1136 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
1137 if (page % 2 == get_dual_even_left (view))
1138 x = x + (max_width - width - border->left - border->right);
1141 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
1144 get_page_y_offset (view, page, &y);
1150 if (view->dual_page) {
1151 gint width_2, height_2;
1152 gint max_width = width;
1153 gint max_height = height;
1154 GtkBorder overall_border;
1157 other_page = (page % 2 == get_dual_even_left (view)) ? page + 1: page - 1;
1159 /* First, we get the bounding box of the two pages */
1160 if (other_page < ev_document_get_n_pages (view->document)
1161 && (0 <= other_page)) {
1162 ev_view_get_page_size (view, other_page,
1163 &width_2, &height_2);
1164 if (width_2 > width)
1165 max_width = width_2;
1166 if (height_2 > height)
1167 max_height = height_2;
1169 compute_border (view, max_width, max_height, &overall_border);
1171 /* Find the offsets */
1175 /* Adjust for being the left or right page */
1176 if (page % 2 == get_dual_even_left (view))
1177 x = x + max_width - width;
1179 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
1181 y = y + (max_height - height)/2;
1183 /* Adjust for extra allocation */
1184 x = x + MAX (0, widget->allocation.width -
1185 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
1186 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
1191 /* Adjust for extra allocation */
1192 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
1193 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
1204 get_doc_page_size (EvView *view,
1211 ev_document_get_page_size (view->document, page, &w, &h);
1212 if (view->rotation == 0 || view->rotation == 180) {
1213 if (width) *width = w;
1214 if (height) *height = h;
1216 if (width) *width = h;
1217 if (height) *height = w;
1222 view_point_to_doc_point (EvView *view,
1223 GdkPoint *view_point,
1224 GdkRectangle *page_area,
1225 double *doc_point_x,
1226 double *doc_point_y)
1228 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
1229 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
1233 view_rect_to_doc_rect (EvView *view,
1234 GdkRectangle *view_rect,
1235 GdkRectangle *page_area,
1236 EvRectangle *doc_rect)
1238 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
1239 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
1240 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
1241 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
1245 doc_point_to_view_point (EvView *view,
1248 GdkPoint *view_point)
1250 GdkRectangle page_area;
1252 double x, y, view_x, view_y;
1253 gdouble width, height;
1255 get_doc_page_size (view, page, &width, &height);
1257 if (view->rotation == 0) {
1260 } else if (view->rotation == 90) {
1261 x = width - doc_point->y;
1263 } else if (view->rotation == 180) {
1264 x = width - doc_point->x;
1265 y = height - doc_point->y;
1266 } else if (view->rotation == 270) {
1268 y = height - doc_point->x;
1270 g_assert_not_reached ();
1273 get_page_extents (view, page, &page_area, &border);
1275 view_x = CLAMP (x * view->scale, 0, page_area.width);
1276 view_y = CLAMP (y * view->scale, 0, page_area.height);
1277 view_point->x = view_x + page_area.x;
1278 view_point->y = view_y + page_area.y;
1282 doc_rect_to_view_rect (EvView *view,
1284 EvRectangle *doc_rect,
1285 GdkRectangle *view_rect)
1287 GdkRectangle page_area;
1290 gdouble width, height;
1292 get_doc_page_size (view, page, &width, &height);
1294 if (view->rotation == 0) {
1297 w = doc_rect->x2 - doc_rect->x1;
1298 h = doc_rect->y2 - doc_rect->y1;
1299 } else if (view->rotation == 90) {
1300 x = width - doc_rect->y2;
1302 w = doc_rect->y2 - doc_rect->y1;
1303 h = doc_rect->x2 - doc_rect->x1;
1304 } else if (view->rotation == 180) {
1305 x = width - doc_rect->x2;
1306 y = height - doc_rect->y2;
1307 w = doc_rect->x2 - doc_rect->x1;
1308 h = doc_rect->y2 - doc_rect->y1;
1309 } else if (view->rotation == 270) {
1311 y = height - doc_rect->x2;
1312 w = doc_rect->y2 - doc_rect->y1;
1313 h = doc_rect->x2 - doc_rect->x1;
1315 g_assert_not_reached ();
1318 get_page_extents (view, page, &page_area, &border);
1320 view_rect->x = x * view->scale + page_area.x;
1321 view_rect->y = y * view->scale + page_area.y;
1322 view_rect->width = w * view->scale;
1323 view_rect->height = h * view->scale;
1327 get_dual_even_left (EvView *view)
1329 return (ev_document_get_n_pages (view->document) > 2);
1333 find_page_at_location (EvView *view,
1342 if (view->document == NULL)
1346 g_assert (x_offset);
1347 g_assert (y_offset);
1349 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
1350 GdkRectangle page_area;
1353 if (! get_page_extents (view, i, &page_area, &border))
1356 if ((x >= page_area.x + border.left) &&
1357 (x < page_area.x + page_area.width - border.right) &&
1358 (y >= page_area.y + border.top) &&
1359 (y < page_area.y + page_area.height - border.bottom)) {
1361 *x_offset = x - (page_area.x + border.left);
1362 *y_offset = y - (page_area.y + border.top);
1371 location_in_text (EvView *view,
1377 gint x_offset = 0, y_offset = 0;
1379 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1384 region = ev_page_cache_get_text_mapping (view->page_cache, page);
1387 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1393 ev_view_get_width (EvView *view)
1395 return GTK_WIDGET (view)->allocation.width;
1399 ev_view_get_height (EvView *view)
1401 return GTK_WIDGET (view)->allocation.height;
1405 location_in_selected_text (EvView *view,
1410 gint x_offset = 0, y_offset = 0;
1411 EvViewSelection *selection;
1414 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1415 selection = (EvViewSelection *)l->data;
1417 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1419 if (page != selection->page)
1422 if (selection->covered_region &&
1423 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1431 get_doc_point_from_offset (EvView *view,
1438 gdouble width, height;
1441 get_doc_page_size (view, page, &width, &height);
1443 x_offset = x_offset / view->scale;
1444 y_offset = y_offset / view->scale;
1446 if (view->rotation == 0) {
1449 } else if (view->rotation == 90) {
1451 y = width - x_offset;
1452 } else if (view->rotation == 180) {
1453 x = width - x_offset;
1454 y = height - y_offset;
1455 } else if (view->rotation == 270) {
1456 x = height - y_offset;
1459 g_assert_not_reached ();
1469 get_doc_point_from_location (EvView *view,
1476 gint x_offset = 0, y_offset = 0;
1478 x += view->scroll_x;
1479 y += view->scroll_y;
1480 find_page_at_location (view, x, y, page, &x_offset, &y_offset);
1484 return get_doc_point_from_offset (view, *page, x_offset, y_offset, x_new, y_new);
1488 ev_view_get_area_from_mapping (EvView *view,
1490 GList *mapping_list,
1496 mapping = ev_mapping_list_find (mapping_list, data);
1497 doc_rect_to_view_rect (view, page, &mapping->area, area);
1498 area->x -= view->scroll_x;
1499 area->y -= view->scroll_y;
1505 ev_view_get_link_at_location (EvView *view,
1510 gint x_new = 0, y_new = 0;
1511 GList *link_mapping;
1513 if (!EV_IS_DOCUMENT_LINKS (view->document))
1516 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1519 link_mapping = ev_page_cache_get_link_mapping (view->page_cache, page);
1522 return ev_mapping_list_get_data (link_mapping, x_new, y_new);
1528 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1531 gdouble zoom, left, top;
1532 gboolean change_left, change_top;
1534 left = ev_link_dest_get_left (dest, &change_left);
1535 top = ev_link_dest_get_top (dest, &change_top);
1537 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - left,
1538 ev_link_dest_get_bottom (dest) - top,
1539 ev_view_get_width (view),
1540 ev_view_get_height (view));
1542 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1543 ev_document_model_set_scale (view->model, zoom);
1545 doc_point.x = change_left ? left : 0;
1546 doc_point.y = change_top ? top : 0;
1547 view->pending_point = doc_point;
1549 ev_view_change_page (view, ev_link_dest_get_page (dest), TRUE);
1553 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1556 gdouble doc_width, doc_height;
1559 gboolean change_left;
1561 page = ev_link_dest_get_page (dest);
1562 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1564 left = ev_link_dest_get_left (dest, &change_left);
1565 doc_point.x = change_left ? left : 0;
1568 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1569 ev_view_get_width (view),
1570 ev_view_get_height (view));
1572 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1573 ev_document_model_set_scale (view->model, zoom);
1575 view->pending_point = doc_point;
1577 ev_view_change_page (view, page, TRUE);
1581 goto_fith_dest (EvView *view, EvLinkDest *dest)
1584 gdouble doc_width, doc_height;
1587 gboolean change_top;
1589 page = ev_link_dest_get_page (dest);
1590 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1592 top = ev_link_dest_get_top (dest, &change_top);
1595 doc_point.y = change_top ? top : 0;
1597 zoom = zoom_for_size_fit_width (doc_width, top,
1598 ev_view_get_width (view),
1599 ev_view_get_height (view));
1601 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FIT_WIDTH);
1602 ev_document_model_set_scale (view->model, zoom);
1604 view->pending_point = doc_point;
1606 ev_view_change_page (view, page, TRUE);
1610 goto_fit_dest (EvView *view, EvLinkDest *dest)
1613 gdouble doc_width, doc_height;
1616 page = ev_link_dest_get_page (dest);
1617 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1619 zoom = zoom_for_size_best_fit (doc_width, doc_height,
1620 ev_view_get_width (view),
1621 ev_view_get_height (view));
1623 ev_document_model_set_sizing_mode (view->model, EV_SIZING_BEST_FIT);
1624 ev_document_model_set_scale (view->model, zoom);
1626 ev_view_change_page (view, page, TRUE);
1630 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1634 gdouble zoom, left, top;
1635 gboolean change_zoom, change_left, change_top;
1637 zoom = ev_link_dest_get_zoom (dest, &change_zoom);
1638 page = ev_link_dest_get_page (dest);
1640 if (change_zoom && zoom > 1) {
1641 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1642 ev_document_model_set_scale (view->model, zoom);
1645 left = ev_link_dest_get_left (dest, &change_left);
1646 top = ev_link_dest_get_top (dest, &change_top);
1648 doc_point.x = change_left ? left : 0;
1649 doc_point.y = change_top ? top : 0;
1650 view->pending_point = doc_point;
1652 ev_view_change_page (view, page, TRUE);
1656 goto_dest (EvView *view, EvLinkDest *dest)
1658 EvLinkDestType type;
1659 int page, n_pages, current_page;
1661 page = ev_link_dest_get_page (dest);
1662 n_pages = ev_document_get_n_pages (view->document);
1664 if (page < 0 || page >= n_pages)
1667 current_page = view->current_page;
1669 type = ev_link_dest_get_dest_type (dest);
1672 case EV_LINK_DEST_TYPE_PAGE:
1673 ev_document_model_set_page (view->model, page);
1675 case EV_LINK_DEST_TYPE_FIT:
1676 goto_fit_dest (view, dest);
1678 case EV_LINK_DEST_TYPE_FITH:
1679 goto_fith_dest (view, dest);
1681 case EV_LINK_DEST_TYPE_FITV:
1682 goto_fitv_dest (view, dest);
1684 case EV_LINK_DEST_TYPE_FITR:
1685 goto_fitr_dest (view, dest);
1687 case EV_LINK_DEST_TYPE_XYZ:
1688 goto_xyz_dest (view, dest);
1690 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1691 ev_document_model_set_page_by_label (view->model, ev_link_dest_get_page_label (dest));
1694 g_assert_not_reached ();
1697 if (current_page != view->current_page)
1698 ev_document_model_set_page (view->model, view->current_page);
1702 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1704 EvLinkDestType type;
1706 type = ev_link_dest_get_dest_type (dest);
1708 if (type == EV_LINK_DEST_TYPE_NAMED) {
1710 const gchar *named_dest;
1712 named_dest = ev_link_dest_get_named_dest (dest);
1713 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1716 goto_dest (view, dest2);
1717 g_object_unref (dest2);
1723 goto_dest (view, dest);
1727 ev_view_handle_link (EvView *view, EvLink *link)
1729 EvLinkAction *action = NULL;
1730 EvLinkActionType type;
1732 action = ev_link_get_action (link);
1736 type = ev_link_action_get_action_type (action);
1739 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1742 g_signal_emit (view, signals[SIGNAL_HANDLE_LINK], 0, link);
1744 dest = ev_link_action_get_dest (action);
1745 ev_view_goto_dest (view, dest);
1748 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1749 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1750 case EV_LINK_ACTION_TYPE_LAUNCH:
1751 case EV_LINK_ACTION_TYPE_NAMED:
1752 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1758 ev_view_page_label_from_dest (EvView *view, EvLinkDest *dest)
1760 EvLinkDestType type;
1763 type = ev_link_dest_get_dest_type (dest);
1766 case EV_LINK_DEST_TYPE_NAMED: {
1768 const gchar *named_dest;
1770 named_dest = ev_link_dest_get_named_dest (dest);
1771 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1774 msg = ev_document_get_page_label (view->document,
1775 ev_link_dest_get_page (dest2));
1776 g_object_unref (dest2);
1781 case EV_LINK_DEST_TYPE_PAGE_LABEL: {
1782 msg = g_strdup (ev_link_dest_get_page_label (dest));
1786 msg = ev_document_get_page_label (view->document,
1787 ev_link_dest_get_page (dest));
1794 tip_from_action_named (EvLinkAction *action)
1796 const gchar *name = ev_link_action_get_name (action);
1798 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1799 return g_strdup (_("Go to first page"));
1800 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1801 return g_strdup (_("Go to previous page"));
1802 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1803 return g_strdup (_("Go to next page"));
1804 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1805 return g_strdup (_("Go to last page"));
1806 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1807 return g_strdup (_("Go to page"));
1808 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1809 return g_strdup (_("Find"));
1816 tip_from_link (EvView *view, EvLink *link)
1818 EvLinkAction *action;
1819 EvLinkActionType type;
1824 action = ev_link_get_action (link);
1825 title = ev_link_get_title (link);
1828 return title ? g_strdup (title) : NULL;
1830 type = ev_link_action_get_action_type (action);
1833 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1834 page_label = ev_view_page_label_from_dest (view,
1835 ev_link_action_get_dest (action));
1837 msg = g_strdup_printf (_("Go to page %s"), page_label);
1838 g_free (page_label);
1841 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1843 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1844 ev_link_action_get_filename (action));
1846 msg = g_strdup_printf (_("Go to file “%s”"),
1847 ev_link_action_get_filename (action));
1850 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1851 msg = g_strdup (ev_link_action_get_uri (action));
1853 case EV_LINK_ACTION_TYPE_LAUNCH:
1854 msg = g_strdup_printf (_("Launch %s"),
1855 ev_link_action_get_filename (action));
1857 case EV_LINK_ACTION_TYPE_NAMED:
1858 msg = tip_from_action_named (action);
1862 msg = g_strdup (title);
1870 ev_view_handle_cursor_over_xy (EvView *view, gint x, gint y)
1874 EvAnnotation *annot = NULL;
1876 if (view->cursor == EV_VIEW_CURSOR_HIDDEN)
1879 if (view->drag_info.in_drag) {
1880 if (view->cursor != EV_VIEW_CURSOR_DRAG)
1881 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1885 if (view->scroll_info.autoscrolling) {
1886 if (view->cursor != EV_VIEW_CURSOR_AUTOSCROLL)
1887 ev_view_set_cursor (view, EV_VIEW_CURSOR_AUTOSCROLL);
1891 link = ev_view_get_link_at_location (view, x, y);
1893 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1894 } else if ((field = ev_view_get_form_field_at_location (view, x, y))) {
1895 if (field->is_read_only) {
1896 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1897 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1898 view->cursor == EV_VIEW_CURSOR_DRAG)
1899 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1900 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
1901 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1903 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1905 } else if ((annot = ev_view_get_annotation_at_location (view, x, y))) {
1906 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1907 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1908 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1910 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1911 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1912 view->cursor == EV_VIEW_CURSOR_DRAG ||
1913 view->cursor == EV_VIEW_CURSOR_AUTOSCROLL)
1914 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1918 g_object_set (view, "has-tooltip", TRUE, NULL);
1923 ev_view_get_image_at_location (EvView *view,
1928 gint x_new = 0, y_new = 0;
1929 GList *image_mapping;
1931 if (!EV_IS_DOCUMENT_IMAGES (view->document))
1934 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1937 image_mapping = ev_page_cache_get_image_mapping (view->page_cache, page);
1940 return ev_mapping_list_get_data (image_mapping, x_new, y_new);
1946 static EvFormField *
1947 ev_view_get_form_field_at_location (EvView *view,
1952 gint x_new = 0, y_new = 0;
1953 GList *forms_mapping;
1955 if (!EV_IS_DOCUMENT_FORMS (view->document))
1958 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1961 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache, page);
1964 return ev_mapping_list_get_data (forms_mapping, x_new, y_new);
1970 ev_view_form_field_get_region (EvView *view,
1973 GdkRectangle view_area;
1974 GList *forms_mapping;
1976 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
1977 field->page->index);
1978 ev_view_get_area_from_mapping (view, field->page->index,
1982 return gdk_region_rectangle (&view_area);
1986 ev_view_forms_remove_widgets (EvView *view)
1988 ev_view_remove_all (view);
1994 ev_view_form_field_destroy (GtkWidget *widget,
1997 g_idle_add ((GSourceFunc)ev_view_forms_remove_widgets, view);
2001 ev_view_form_field_button_create_widget (EvView *view,
2004 EvFormFieldButton *field_button = EV_FORM_FIELD_BUTTON (field);
2005 GdkRegion *field_region = NULL;
2007 switch (field_button->type) {
2008 case EV_FORM_FIELD_BUTTON_PUSH:
2010 case EV_FORM_FIELD_BUTTON_CHECK:
2011 case EV_FORM_FIELD_BUTTON_RADIO: {
2013 GList *forms_mapping, *l;
2015 state = ev_document_forms_form_field_button_get_state (EV_DOCUMENT_FORMS (view->document),
2018 /* FIXME: it actually depends on NoToggleToOff flags */
2019 if (field_button->type == EV_FORM_FIELD_BUTTON_RADIO &&
2020 state && field_button->state)
2023 field_region = ev_view_form_field_get_region (view, field);
2025 /* For radio buttons and checkbox buttons that are in a set
2026 * we need to update also the region for the current selected item
2028 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
2029 field->page->index);
2030 for (l = forms_mapping; l; l = g_list_next (l)) {
2031 EvFormField *button = ((EvMapping *)(l->data))->data;
2032 GdkRegion *button_region;
2034 if (button->id == field->id)
2037 /* FIXME: only buttons in the same group should be updated */
2038 if (!EV_IS_FORM_FIELD_BUTTON (button) ||
2039 EV_FORM_FIELD_BUTTON (button)->type != field_button->type ||
2040 EV_FORM_FIELD_BUTTON (button)->state != TRUE)
2043 button_region = ev_view_form_field_get_region (view, button);
2044 gdk_region_union (field_region, button_region);
2045 gdk_region_destroy (button_region);
2048 ev_document_forms_form_field_button_set_state (EV_DOCUMENT_FORMS (view->document),
2050 field_button->state = !state;
2055 ev_view_reload_page (view, field->page->index, field_region);
2056 gdk_region_destroy (field_region);
2062 ev_view_form_field_text_save (EvView *view,
2067 if (!view->document)
2070 field = g_object_get_data (G_OBJECT (widget), "form-field");
2072 if (field->changed) {
2073 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2074 GdkRegion *field_region;
2076 field_region = ev_view_form_field_get_region (view, field);
2078 ev_document_forms_form_field_text_set_text (EV_DOCUMENT_FORMS (view->document),
2079 field, field_text->text);
2080 field->changed = FALSE;
2081 ev_view_reload_page (view, field->page->index, field_region);
2082 gdk_region_destroy (field_region);
2087 ev_view_form_field_text_changed (GtkWidget *widget,
2090 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2093 if (GTK_IS_ENTRY (widget)) {
2094 text = g_strdup (gtk_entry_get_text (GTK_ENTRY (widget)));
2095 } else if (GTK_IS_TEXT_BUFFER (widget)) {
2096 GtkTextIter start, end;
2098 gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (widget), &start, &end);
2099 text = gtk_text_buffer_get_text (GTK_TEXT_BUFFER (widget),
2100 &start, &end, FALSE);
2103 if (!field_text->text ||
2104 (field_text->text && g_ascii_strcasecmp (field_text->text, text) != 0)) {
2105 g_free (field_text->text);
2106 field_text->text = text;
2107 field->changed = TRUE;
2112 ev_view_form_field_text_create_widget (EvView *view,
2115 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2116 GtkWidget *text = NULL;
2119 txt = ev_document_forms_form_field_text_get_text (EV_DOCUMENT_FORMS (view->document),
2122 switch (field_text->type) {
2123 case EV_FORM_FIELD_TEXT_FILE_SELECT:
2125 case EV_FORM_FIELD_TEXT_NORMAL:
2126 text = gtk_entry_new ();
2127 gtk_entry_set_has_frame (GTK_ENTRY (text), FALSE);
2128 gtk_entry_set_max_length (GTK_ENTRY (text), field_text->max_len);
2129 gtk_entry_set_visibility (GTK_ENTRY (text), !field_text->is_password);
2132 gtk_entry_set_text (GTK_ENTRY (text), txt);
2136 g_signal_connect (text, "changed",
2137 G_CALLBACK (ev_view_form_field_text_changed),
2139 g_signal_connect_after (text, "activate",
2140 G_CALLBACK (ev_view_form_field_destroy),
2143 case EV_FORM_FIELD_TEXT_MULTILINE: {
2144 GtkTextBuffer *buffer;
2146 text = gtk_text_view_new ();
2147 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text));
2150 gtk_text_buffer_set_text (buffer, txt, -1);
2154 g_signal_connect (buffer, "changed",
2155 G_CALLBACK (ev_view_form_field_text_changed),
2161 g_object_weak_ref (G_OBJECT (text),
2162 (GWeakNotify)ev_view_form_field_text_save,
2169 ev_view_form_field_choice_save (EvView *view,
2174 if (!view->document)
2177 field = g_object_get_data (G_OBJECT (widget), "form-field");
2179 if (field->changed) {
2181 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2182 GdkRegion *field_region;
2184 field_region = ev_view_form_field_get_region (view, field);
2186 if (field_choice->is_editable) {
2187 ev_document_forms_form_field_choice_set_text (EV_DOCUMENT_FORMS (view->document),
2188 field, field_choice->text);
2190 ev_document_forms_form_field_choice_unselect_all (EV_DOCUMENT_FORMS (view->document), field);
2191 for (l = field_choice->selected_items; l; l = g_list_next (l)) {
2192 ev_document_forms_form_field_choice_select_item (EV_DOCUMENT_FORMS (view->document),
2194 GPOINTER_TO_INT (l->data));
2197 field->changed = FALSE;
2198 ev_view_reload_page (view, field->page->index, field_region);
2199 gdk_region_destroy (field_region);
2204 ev_view_form_field_choice_changed (GtkWidget *widget,
2207 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2209 if (GTK_IS_COMBO_BOX (widget)) {
2212 item = gtk_combo_box_get_active (GTK_COMBO_BOX (widget));
2213 if (!field_choice->selected_items ||
2214 GPOINTER_TO_INT (field_choice->selected_items->data) != item) {
2215 g_list_free (field_choice->selected_items);
2216 field_choice->selected_items = NULL;
2217 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2218 GINT_TO_POINTER (item));
2219 field->changed = TRUE;
2222 if (GTK_IS_COMBO_BOX_ENTRY (widget)) {
2225 text = gtk_combo_box_get_active_text (GTK_COMBO_BOX (widget));
2226 if (!field_choice->text ||
2227 (field_choice->text && g_ascii_strcasecmp (field_choice->text, text) != 0)) {
2228 g_free (field_choice->text);
2229 field_choice->text = text;
2230 field->changed = TRUE;
2233 } else if (GTK_IS_TREE_SELECTION (widget)) {
2234 GtkTreeSelection *selection = GTK_TREE_SELECTION (widget);
2235 GtkTreeModel *model;
2238 items = gtk_tree_selection_get_selected_rows (selection, &model);
2239 g_list_free (field_choice->selected_items);
2240 field_choice->selected_items = NULL;
2242 for (l = items; l && l->data; l = g_list_next (l)) {
2244 GtkTreePath *path = (GtkTreePath *)l->data;
2247 gtk_tree_model_get_iter (model, &iter, path);
2248 gtk_tree_model_get (model, &iter, 1, &item, -1);
2250 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2251 GINT_TO_POINTER (item));
2253 gtk_tree_path_free (path);
2256 g_list_free (items);
2258 field->changed = TRUE;
2263 ev_view_form_field_choice_create_widget (EvView *view,
2266 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2268 GtkTreeModel *model;
2270 gint selected_item = 0;
2272 n_items = ev_document_forms_form_field_choice_get_n_items (EV_DOCUMENT_FORMS (view->document),
2274 model = GTK_TREE_MODEL (gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT));
2275 for (i = 0; i < n_items; i++) {
2279 item = ev_document_forms_form_field_choice_get_item (EV_DOCUMENT_FORMS (view->document),
2281 if (ev_document_forms_form_field_choice_is_item_selected (
2282 EV_DOCUMENT_FORMS (view->document), field, i)) {
2284 /* FIXME: we need a get_selected_items function in poppler */
2285 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2286 GINT_TO_POINTER (i));
2290 gtk_list_store_append (GTK_LIST_STORE (model), &iter);
2291 gtk_list_store_set (GTK_LIST_STORE (model), &iter,
2299 if (field_choice->type == EV_FORM_FIELD_CHOICE_LIST) {
2300 GtkCellRenderer *renderer;
2301 GtkWidget *tree_view;
2302 GtkTreeSelection *selection;
2304 tree_view = gtk_tree_view_new_with_model (model);
2305 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);
2307 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
2308 if (field_choice->multi_select) {
2309 gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
2312 /* TODO: set selected items */
2314 renderer = gtk_cell_renderer_text_new ();
2315 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
2321 choice = gtk_scrolled_window_new (NULL, NULL);
2322 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (choice),
2323 GTK_POLICY_AUTOMATIC,
2324 GTK_POLICY_AUTOMATIC);
2325 gtk_container_add (GTK_CONTAINER (choice), tree_view);
2326 gtk_widget_show (tree_view);
2328 g_signal_connect (selection, "changed",
2329 G_CALLBACK (ev_view_form_field_choice_changed),
2331 g_signal_connect_after (selection, "changed",
2332 G_CALLBACK (ev_view_form_field_destroy),
2334 } else if (field_choice->is_editable) { /* ComboBoxEntry */
2337 choice = gtk_combo_box_entry_new_with_model (model, 0);
2338 text = ev_document_forms_form_field_choice_get_text (EV_DOCUMENT_FORMS (view->document), field);
2340 gtk_entry_set_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (choice))), text);
2344 g_signal_connect (choice, "changed",
2345 G_CALLBACK (ev_view_form_field_choice_changed),
2347 g_signal_connect_after (GTK_BIN(choice)->child, "activate",
2348 G_CALLBACK (ev_view_form_field_destroy),
2350 } else { /* ComboBoxText */
2351 GtkCellRenderer *renderer;
2353 choice = gtk_combo_box_new_with_model (model);
2354 renderer = gtk_cell_renderer_text_new ();
2355 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (choice),
2357 gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (choice),
2361 gtk_combo_box_set_active (GTK_COMBO_BOX (choice), selected_item);
2362 gtk_combo_box_popup (GTK_COMBO_BOX (choice));
2364 g_signal_connect (choice, "changed",
2365 G_CALLBACK (ev_view_form_field_choice_changed),
2367 g_signal_connect_after (choice, "changed",
2368 G_CALLBACK (ev_view_form_field_destroy),
2372 g_object_unref (model);
2374 g_object_weak_ref (G_OBJECT (choice),
2375 (GWeakNotify)ev_view_form_field_choice_save,
2382 ev_view_handle_form_field (EvView *view,
2387 GtkWidget *field_widget = NULL;
2388 GList *form_field_mapping;
2389 GdkRectangle view_area;
2391 if (field->is_read_only)
2394 if (EV_IS_FORM_FIELD_BUTTON (field)) {
2395 field_widget = ev_view_form_field_button_create_widget (view, field);
2396 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
2397 field_widget = ev_view_form_field_text_create_widget (view, field);
2398 } else if (EV_IS_FORM_FIELD_CHOICE (field)) {
2399 field_widget = ev_view_form_field_choice_create_widget (view, field);
2400 } else if (EV_IS_FORM_FIELD_SIGNATURE (field)) {
2404 /* Form field doesn't require a widget */
2408 g_object_set_data_full (G_OBJECT (field_widget), "form-field",
2409 g_object_ref (field),
2410 (GDestroyNotify)g_object_unref);
2412 form_field_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
2413 field->page->index);
2414 ev_view_get_area_from_mapping (view, field->page->index,
2418 gtk_layout_put (GTK_LAYOUT (view), field_widget, view_area.x, view_area.y);
2419 gtk_widget_show (field_widget);
2420 gtk_widget_grab_focus (field_widget);
2424 static EvViewWindowChild *
2425 ev_view_get_window_child (EvView *view,
2428 GList *children = view->window_children;
2431 EvViewWindowChild *child;
2433 child = (EvViewWindowChild *)children->data;
2434 children = children->next;
2436 if (child->window == window)
2444 ev_view_window_child_move (EvView *view,
2445 EvViewWindowChild *child,
2451 gtk_window_move (GTK_WINDOW (child->window),
2452 MAX (child->parent_x, x),
2453 MAX (child->parent_y, y));
2457 ev_view_window_child_move_with_parent (EvView *view,
2460 EvViewWindowChild *child;
2461 gint root_x, root_y;
2463 child = ev_view_get_window_child (view, window);
2464 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2466 if (root_x != child->parent_x || root_y != child->parent_y) {
2467 gint dest_x, dest_y;
2469 dest_x = child->x + (root_x - child->parent_x);
2470 dest_y = child->y + (root_y - child->parent_y);
2471 child->parent_x = root_x;
2472 child->parent_y = root_y;
2473 ev_view_window_child_move (view, child, dest_x, dest_y);
2476 if (child->visible && !GTK_WIDGET_VISIBLE (window))
2477 gtk_widget_show (window);
2481 ev_view_window_child_put (EvView *view,
2489 EvViewWindowChild *child;
2490 gint root_x, root_y;
2492 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2495 child = g_new0 (EvViewWindowChild, 1);
2496 child->window = window;
2498 child->orig_x = orig_x;
2499 child->orig_y = orig_y;
2500 child->parent_x = root_x;
2501 child->parent_y = root_y;
2502 child->visible = ev_annotation_window_is_open (EV_ANNOTATION_WINDOW (window));
2503 ev_view_window_child_move (view, child, x + root_x, y + root_y);
2506 gtk_widget_show (window);
2508 gtk_widget_hide (window);
2510 view->window_children = g_list_append (view->window_children, child);
2513 static EvViewWindowChild *
2514 ev_view_find_window_child_for_annot (EvView *view,
2516 EvAnnotation *annot)
2518 GList *children = view->window_children;
2521 EvViewWindowChild *child;
2522 EvAnnotation *wannot;
2524 child = (EvViewWindowChild *)children->data;
2525 children = children->next;
2527 if (child->page != page)
2530 wannot = ev_annotation_window_get_annotation (EV_ANNOTATION_WINDOW (child->window));
2531 if (wannot == annot || strcmp (wannot->name, annot->name) == 0)
2539 ev_view_window_children_free (EvView *view)
2543 if (!view->window_children)
2546 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
2547 EvViewWindowChild *child;
2549 child = (EvViewWindowChild *)l->data;
2550 gtk_widget_destroy (GTK_WIDGET (child->window));
2553 g_list_free (view->window_children);
2554 view->window_children = NULL;
2555 view->window_child_focus = NULL;
2559 annotation_window_grab_focus (GtkWidget *widget,
2562 if (view->window_child_focus)
2563 ev_annotation_window_ungrab_focus (EV_ANNOTATION_WINDOW (view->window_child_focus->window));
2564 view->window_child_focus = ev_view_get_window_child (view, widget);
2568 annotation_window_closed (EvAnnotationWindow *window,
2571 EvViewWindowChild *child;
2573 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2574 child->visible = FALSE;
2578 annotation_window_moved (EvAnnotationWindow *window,
2583 EvViewWindowChild *child;
2584 GdkRectangle page_area;
2586 GdkRectangle view_rect;
2587 EvRectangle doc_rect;
2590 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2591 if (child->x == x && child->y == y)
2594 child->moved = TRUE;
2598 /* Window has been moved by the user,
2599 * we have to set a new origin in doc coords
2601 gtk_window_get_size (GTK_WINDOW (window), &width, &height);
2602 view_rect.x = (x - child->parent_x) + view->scroll_x;
2603 view_rect.y = (y - child->parent_y) + view->scroll_y;
2604 view_rect.width = width;
2605 view_rect.height = height;
2607 get_page_extents (view, child->page, &page_area, &border);
2608 view_rect_to_doc_rect (view, &view_rect, &page_area, &doc_rect);
2609 child->orig_x = doc_rect.x1;
2610 child->orig_y = doc_rect.y1;
2614 ev_view_annotation_save (EvView *view,
2615 EvAnnotation *annot)
2617 if (!view->document)
2620 if (!annot->changed)
2623 ev_document_annotations_annotation_set_contents (EV_DOCUMENT_ANNOTATIONS (view->document),
2624 annot, annot->contents);
2625 annot->changed = FALSE;
2629 show_annotation_windows (EvView *view,
2635 parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
2637 annots = ev_page_cache_get_annot_mapping (view->page_cache, page);
2639 for (l = annots; l && l->data; l = g_list_next (l)) {
2640 EvAnnotation *annot;
2641 EvViewWindowChild *child;
2643 EvRectangle *doc_rect;
2644 GdkRectangle view_rect;
2646 annot = ((EvMapping *)(l->data))->data;
2648 if (!EV_IS_ANNOTATION_MARKUP (annot))
2651 if (!ev_annotation_markup_has_popup (EV_ANNOTATION_MARKUP (annot)))
2654 window = g_object_get_data (G_OBJECT (annot), "popup");
2656 ev_view_window_child_move_with_parent (view, window);
2660 /* Look if we already have a popup for this annot */
2661 child = ev_view_find_window_child_for_annot (view, page, annot);
2662 window = child ? child->window : NULL;
2664 ev_annotation_window_set_annotation (EV_ANNOTATION_WINDOW (window), annot);
2665 g_object_set_data (G_OBJECT (annot), "popup", window);
2666 ev_view_window_child_move_with_parent (view, window);
2668 window = ev_annotation_window_new (annot, parent);
2669 g_signal_connect (window, "grab_focus",
2670 G_CALLBACK (annotation_window_grab_focus),
2672 g_signal_connect (window, "closed",
2673 G_CALLBACK (annotation_window_closed),
2675 g_signal_connect (window, "moved",
2676 G_CALLBACK (annotation_window_moved),
2678 g_object_set_data (G_OBJECT (annot), "popup", window);
2680 doc_rect = (EvRectangle *)ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (window));
2681 doc_rect_to_view_rect (view, page, doc_rect, &view_rect);
2682 view_rect.x -= view->scroll_x;
2683 view_rect.y -= view->scroll_y;
2685 ev_view_window_child_put (view, window, page,
2686 view_rect.x, view_rect.y,
2687 doc_rect->x1, doc_rect->y1);
2689 g_object_weak_ref (G_OBJECT (annot),
2690 (GWeakNotify)ev_view_annotation_save,
2697 hide_annotation_windows (EvView *view,
2702 annots = ev_page_cache_get_annot_mapping (view->page_cache, page);
2704 for (l = annots; l && l->data; l = g_list_next (l)) {
2705 EvAnnotation *annot;
2708 annot = ((EvMapping *)(l->data))->data;
2710 if (!EV_IS_ANNOTATION_MARKUP (annot))
2713 window = g_object_get_data (G_OBJECT (annot), "popup");
2715 gtk_widget_hide (window);
2719 static EvAnnotation *
2720 ev_view_get_annotation_at_location (EvView *view,
2725 gint x_new = 0, y_new = 0;
2726 GList *annotations_mapping;
2728 if (!EV_IS_DOCUMENT_ANNOTATIONS (view->document))
2731 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
2734 annotations_mapping = ev_page_cache_get_annot_mapping (view->page_cache, page);
2736 if (annotations_mapping)
2737 return ev_mapping_list_get_data (annotations_mapping, x_new, y_new);
2743 ev_view_handle_annotation (EvView *view,
2744 EvAnnotation *annot,
2749 if (EV_IS_ANNOTATION_MARKUP (annot)) {
2752 window = g_object_get_data (G_OBJECT (annot), "popup");
2754 EvViewWindowChild *child;
2756 child = ev_view_get_window_child (view, window);
2757 if (!child->visible) {
2758 child->visible = TRUE;
2759 ev_view_window_child_move (view, child, child->x, child->y);
2760 gtk_widget_show (window);
2765 if (EV_IS_ANNOTATION_ATTACHMENT (annot)) {
2766 EvAttachment *attachment = EV_ANNOTATION_ATTACHMENT (annot)->attachment;
2769 GError *error = NULL;
2771 ev_attachment_open (attachment,
2772 gtk_widget_get_screen (GTK_WIDGET (view)),
2777 g_warning ("%s", error->message);
2778 g_error_free (error);
2784 /*** GtkWidget implementation ***/
2787 ev_view_size_request_continuous_dual_page (EvView *view,
2788 GtkRequisition *requisition)
2792 n_pages = ev_document_get_n_pages (view->document) + 1;
2793 get_page_y_offset (view, n_pages, &requisition->height);
2795 switch (view->sizing_mode) {
2796 case EV_SIZING_FIT_WIDTH:
2797 case EV_SIZING_BEST_FIT:
2798 requisition->width = 1;
2801 case EV_SIZING_FREE: {
2805 ev_view_get_max_page_size (view, &max_width, NULL);
2806 compute_border (view, max_width, max_width, &border);
2807 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
2811 g_assert_not_reached ();
2816 ev_view_size_request_continuous (EvView *view,
2817 GtkRequisition *requisition)
2821 n_pages = ev_document_get_n_pages (view->document);
2822 get_page_y_offset (view, n_pages, &requisition->height);
2824 switch (view->sizing_mode) {
2825 case EV_SIZING_FIT_WIDTH:
2826 case EV_SIZING_BEST_FIT:
2827 requisition->width = 1;
2830 case EV_SIZING_FREE: {
2834 ev_view_get_max_page_size (view, &max_width, NULL);
2835 compute_border (view, max_width, max_width, &border);
2836 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
2840 g_assert_not_reached ();
2845 ev_view_size_request_dual_page (EvView *view,
2846 GtkRequisition *requisition)
2851 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2852 requisition->width = 1;
2853 requisition->height = 1;
2858 /* Find the largest of the two. */
2859 ev_view_get_page_size (view,
2862 if (view->current_page + 1 < ev_document_get_n_pages (view->document)) {
2863 gint width_2, height_2;
2864 ev_view_get_page_size (view,
2865 view->current_page + 1,
2866 &width_2, &height_2);
2867 if (width_2 > width) {
2872 compute_border (view, width, height, &border);
2874 requisition->width = view->sizing_mode == EV_SIZING_FIT_WIDTH ? 1 :
2875 ((width + border.left + border.right) * 2) + (view->spacing * 3);
2876 requisition->height = (height + border.top + border.bottom) + (view->spacing * 2);
2880 ev_view_size_request_single_page (EvView *view,
2881 GtkRequisition *requisition)
2886 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2887 requisition->width = 1;
2888 requisition->height = 1;
2893 ev_view_get_page_size (view, view->current_page, &width, &height);
2894 compute_border (view, width, height, &border);
2896 requisition->width = view->sizing_mode == EV_SIZING_FIT_WIDTH ? 1 :
2897 width + border.left + border.right + (2 * view->spacing);
2898 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2902 ev_view_size_request (GtkWidget *widget,
2903 GtkRequisition *requisition)
2905 EvView *view = EV_VIEW (widget);
2907 if (view->document == NULL) {
2908 requisition->width = 1;
2909 requisition->height = 1;
2913 if (view->presentation) {
2914 requisition->width = 1;
2915 requisition->height = 1;
2919 if (view->continuous && view->dual_page)
2920 ev_view_size_request_continuous_dual_page (view, requisition);
2921 else if (view->continuous)
2922 ev_view_size_request_continuous (view, requisition);
2923 else if (view->dual_page)
2924 ev_view_size_request_dual_page (view, requisition);
2926 ev_view_size_request_single_page (view, requisition);
2930 ev_view_size_allocate (GtkWidget *widget,
2931 GtkAllocation *allocation)
2933 EvView *view = EV_VIEW (widget);
2934 GList *children, *l;
2935 gint root_x, root_y;
2937 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
2939 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2940 view->sizing_mode == EV_SIZING_BEST_FIT) {
2941 ev_view_zoom_for_size (view,
2943 allocation->height);
2944 ev_view_size_request (widget, &widget->requisition);
2947 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
2948 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
2951 view_update_range_and_current_page (view);
2953 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2954 view->pending_resize = FALSE;
2955 view->pending_point.x = 0;
2956 view->pending_point.y = 0;
2958 children = gtk_container_get_children (GTK_CONTAINER (widget));
2959 for (l = children; l && l->data; l = g_list_next (l)) {
2961 GdkRectangle view_area;
2962 GList *form_field_mapping;
2963 GtkAllocation child_allocation;
2964 GtkRequisition child_requisition;
2965 GtkWidget *child = (GtkWidget *)l->data;
2967 field = g_object_get_data (G_OBJECT (child), "form-field");
2971 form_field_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
2972 field->page->index);
2973 ev_view_get_area_from_mapping (view, field->page->index,
2977 gtk_widget_size_request (child, &child_requisition);
2978 if (child_requisition.width != view_area.width ||
2979 child_requisition.height != view_area.height)
2980 gtk_widget_set_size_request (child, view_area.width, view_area.height);
2982 gtk_container_child_get (GTK_CONTAINER (widget),
2984 "x", &child_allocation.x,
2985 "y", &child_allocation.y,
2987 if (child_allocation.x != view_area.x ||
2988 child_allocation.y != view_area.y) {
2989 gtk_layout_move (GTK_LAYOUT (widget), child, view_area.x, view_area.y);
2992 g_list_free (children);
2994 if (view->window_children)
2995 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2998 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
2999 EvViewWindowChild *child;
3000 EvRectangle doc_rect;
3001 GdkRectangle view_rect;
3003 child = (EvViewWindowChild *)l->data;
3005 doc_rect = *ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (child->window));
3007 doc_rect.x1 = child->orig_x;
3008 doc_rect.y1 = child->orig_y;
3010 doc_rect_to_view_rect (view, child->page, &doc_rect, &view_rect);
3011 view_rect.x -= view->scroll_x;
3012 view_rect.y -= view->scroll_y;
3014 if (view_rect.x != child->orig_x || view_rect.y != child->orig_y) {
3015 child->parent_x = root_x;
3016 child->parent_y = root_y;
3017 ev_view_window_child_move (view, child, view_rect.x + root_x, view_rect.y + root_y);
3023 ev_view_realize (GtkWidget *widget)
3025 EvView *view = EV_VIEW (widget);
3027 if (GTK_WIDGET_CLASS (ev_view_parent_class)->realize)
3028 (* GTK_WIDGET_CLASS (ev_view_parent_class)->realize) (widget);
3030 gdk_window_set_events (view->layout.bin_window,
3031 (gdk_window_get_events (view->layout.bin_window) |
3033 GDK_BUTTON_PRESS_MASK |
3034 GDK_BUTTON_RELEASE_MASK |
3036 GDK_KEY_PRESS_MASK |
3037 GDK_POINTER_MOTION_MASK |
3038 GDK_POINTER_MOTION_HINT_MASK |
3039 GDK_ENTER_NOTIFY_MASK |
3040 GDK_LEAVE_NOTIFY_MASK));
3042 if (view->presentation)
3043 gdk_window_set_background (view->layout.bin_window, &widget->style->black);
3045 gdk_window_set_background (view->layout.bin_window, &widget->style->mid [GTK_STATE_NORMAL]);
3047 on_adjustment_value_changed (NULL, view);
3051 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
3053 EvView *view = EV_VIEW (widget);
3056 state = event->state & gtk_accelerator_get_default_mod_mask ();
3058 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
3059 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
3060 if (event->direction == GDK_SCROLL_UP ||
3061 event->direction == GDK_SCROLL_LEFT) {
3062 if (ev_view_can_zoom_in (view)) {
3063 ev_view_zoom_in (view);
3066 if (ev_view_can_zoom_out (view)) {
3067 ev_view_zoom_out (view);
3074 view->jump_to_find_result = FALSE;
3076 /* Shift+Wheel scrolls the in the perpendicular direction */
3077 if (state & GDK_SHIFT_MASK) {
3078 if (event->direction == GDK_SCROLL_UP)
3079 event->direction = GDK_SCROLL_LEFT;
3080 else if (event->direction == GDK_SCROLL_LEFT)
3081 event->direction = GDK_SCROLL_UP;
3082 else if (event->direction == GDK_SCROLL_DOWN)
3083 event->direction = GDK_SCROLL_RIGHT;
3084 else if (event->direction == GDK_SCROLL_RIGHT)
3085 event->direction = GDK_SCROLL_DOWN;
3087 event->state &= ~GDK_SHIFT_MASK;
3088 state &= ~GDK_SHIFT_MASK;
3092 (view->presentation ||
3093 (view->sizing_mode == EV_SIZING_BEST_FIT && !view->continuous))) {
3094 switch (event->direction) {
3095 case GDK_SCROLL_DOWN:
3096 case GDK_SCROLL_RIGHT:
3097 ev_view_next_page (view);
3100 case GDK_SCROLL_LEFT:
3101 ev_view_previous_page (view);
3111 static EvViewSelection *
3112 find_selection_for_page (EvView *view,
3117 for (list = view->selection_info.selections; list != NULL; list = list->next) {
3118 EvViewSelection *selection;
3120 selection = (EvViewSelection *) list->data;
3122 if (selection->page == page)
3130 draw_end_presentation_page (EvView *view,
3131 GdkRectangle *page_area)
3133 PangoLayout *layout;
3134 PangoFontDescription *font_desc;
3136 const gchar *text = _("End of presentation. Press Escape to exit.");
3138 if (view->presentation_state != EV_PRESENTATION_END)
3141 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), NULL);
3142 markup = g_strdup_printf ("<span foreground=\"white\">%s</span>", text);
3143 pango_layout_set_markup (layout, markup, -1);
3146 font_desc = pango_font_description_new ();
3147 pango_font_description_set_size (font_desc, 16 * PANGO_SCALE);
3148 pango_layout_set_font_description (layout, font_desc);
3150 gtk_paint_layout (GTK_WIDGET (view)->style,
3151 view->layout.bin_window,
3152 GTK_WIDGET_STATE (view),
3161 pango_font_description_free (font_desc);
3162 g_object_unref (layout);
3166 ev_view_expose_event (GtkWidget *widget,
3167 GdkEventExpose *event)
3169 EvView *view = EV_VIEW (widget);
3173 if (view->animation) {
3174 if (ev_transition_animation_ready (view->animation)) {
3175 GdkRectangle page_area;
3178 if (get_page_extents (view, view->current_page, &page_area, &border)) {
3179 cr = gdk_cairo_create (view->layout.bin_window);
3181 /* normalize to x=0, y=0 */
3182 cairo_translate (cr, page_area.x, page_area.y);
3183 page_area.x = page_area.y = 0;
3185 ev_transition_animation_paint (view->animation, cr, page_area);
3193 if (view->presentation) {
3194 switch (view->presentation_state) {
3195 case EV_PRESENTATION_END: {
3196 GdkRectangle area = {0};
3198 area.width = widget->allocation.width;
3199 area.height = widget->allocation.height;
3201 draw_end_presentation_page (view, &area);
3204 case EV_PRESENTATION_BLACK:
3205 case EV_PRESENTATION_WHITE:
3207 case EV_PRESENTATION_NORMAL:
3211 } else if (view->loading) {
3212 GdkRectangle area = {0};
3214 area.width = widget->allocation.width;
3215 area.height = widget->allocation.height;
3217 draw_loading_text (view,
3222 if (view->document == NULL)
3225 cr = gdk_cairo_create (view->layout.bin_window);
3227 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
3228 GdkRectangle page_area;
3230 gboolean page_ready = TRUE;
3232 if (!get_page_extents (view, i, &page_area, &border))
3235 page_area.x -= view->scroll_x;
3236 page_area.y -= view->scroll_y;
3238 draw_one_page (view, i, cr, &page_area, &border, &(event->area), &page_ready);
3240 if (page_ready && view->find_pages && view->highlight_find_results)
3241 highlight_find_results (view, i);
3242 if (page_ready && EV_IS_DOCUMENT_ANNOTATIONS (view->document))
3243 show_annotation_windows (view, i);
3248 if (GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event)
3249 (* GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) (widget, event);
3255 ev_view_do_popup_menu (EvView *view,
3261 EvAnnotation *annot;
3263 image = ev_view_get_image_at_location (view, x, y);
3265 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, image);
3269 link = ev_view_get_link_at_location (view, x, y);
3271 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
3275 annot = ev_view_get_annotation_at_location (view, x, y);
3277 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, annot);
3281 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, NULL);
3287 ev_view_popup_menu (GtkWidget *widget)
3291 gtk_widget_get_pointer (widget, &x, &y);
3292 return ev_view_do_popup_menu (EV_VIEW (widget), x, y);
3296 get_link_area (EvView *view,
3302 GList *link_mapping;
3304 gint x_offset = 0, y_offset = 0;
3306 x += view->scroll_x;
3307 y += view->scroll_y;
3309 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3311 link_mapping = ev_page_cache_get_link_mapping (view->page_cache, page);
3312 ev_view_get_area_from_mapping (view, page,
3318 get_annot_area (EvView *view,
3321 EvAnnotation *annot,
3324 GList *annot_mapping;
3326 gint x_offset = 0, y_offset = 0;
3328 x += view->scroll_x;
3329 y += view->scroll_y;
3331 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3333 annot_mapping = ev_page_cache_get_annot_mapping (view->page_cache, page);
3334 ev_view_get_area_from_mapping (view, page,
3340 ev_view_query_tooltip (GtkWidget *widget,
3343 gboolean keyboard_tip,
3344 GtkTooltip *tooltip)
3346 EvView *view = EV_VIEW (widget);
3348 EvAnnotation *annot;
3351 annot = ev_view_get_annotation_at_location (view, x, y);
3352 if (annot && annot->contents) {
3353 GdkRectangle annot_area;
3355 get_annot_area (view, x, y, annot, &annot_area);
3356 gtk_tooltip_set_text (tooltip, annot->contents);
3357 gtk_tooltip_set_tip_area (tooltip, &annot_area);
3362 link = ev_view_get_link_at_location (view, x, y);
3366 text = tip_from_link (view, link);
3367 if (text && g_utf8_validate (text, -1, NULL)) {
3368 GdkRectangle link_area;
3370 get_link_area (view, x, y, link, &link_area);
3371 gtk_tooltip_set_text (tooltip, text);
3372 gtk_tooltip_set_tip_area (tooltip, &link_area);
3380 start_selection_for_event (EvView *view,
3381 GdkEventButton *event)
3383 clear_selection (view);
3385 view->selection_info.start.x = event->x + view->scroll_x;
3386 view->selection_info.start.y = event->y + view->scroll_y;
3388 switch (event->type) {
3389 case GDK_2BUTTON_PRESS:
3390 view->selection_info.style = EV_SELECTION_STYLE_WORD;
3392 case GDK_3BUTTON_PRESS:
3393 view->selection_info.style = EV_SELECTION_STYLE_LINE;
3396 view->selection_info.style = EV_SELECTION_STYLE_GLYPH;
3400 /* In case of WORD or LINE, compute selections now */
3401 compute_selections (view,
3402 view->selection_info.style,
3403 &(view->selection_info.start),
3404 &(view->selection_info.start));
3408 ev_view_button_press_event (GtkWidget *widget,
3409 GdkEventButton *event)
3411 EvView *view = EV_VIEW (widget);
3413 if (!view->document)
3416 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
3417 gtk_widget_grab_focus (widget);
3420 if (view->window_child_focus) {
3421 EvAnnotationWindow *window;
3422 EvAnnotation *annot;
3424 window = EV_ANNOTATION_WINDOW (view->window_child_focus->window);
3425 annot = ev_annotation_window_get_annotation (window);
3426 ev_annotation_window_ungrab_focus (window);
3427 ev_view_annotation_save (view, annot);
3428 view->window_child_focus = NULL;
3431 view->pressed_button = event->button;
3432 view->selection_info.in_drag = FALSE;
3434 if (view->scroll_info.autoscrolling)
3437 switch (event->button) {
3440 EvAnnotation *annot;
3443 if (EV_IS_SELECTION (view->document) && view->selection_info.selections) {
3444 if (event->type == GDK_3BUTTON_PRESS) {
3445 start_selection_for_event (view, event);
3446 } else if (location_in_selected_text (view,
3447 event->x + view->scroll_x,
3448 event->y + view->scroll_y)) {
3449 view->selection_info.in_drag = TRUE;
3451 start_selection_for_event (view, event);
3454 gtk_widget_queue_draw (widget);
3455 } else if ((annot = ev_view_get_annotation_at_location (view, event->x, event->y))) {
3456 ev_view_handle_annotation (view, annot, event->x, event->y, event->time);
3457 } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) {
3458 ev_view_remove_all (view);
3459 ev_view_handle_form_field (view, field, event->x, event->y);
3460 } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) &&
3461 (image = ev_view_get_image_at_location (view, event->x, event->y))) {
3462 if (view->image_dnd_info.image)
3463 g_object_unref (view->image_dnd_info.image);
3464 view->image_dnd_info.image = g_object_ref (image);
3465 view->image_dnd_info.in_drag = TRUE;
3467 view->image_dnd_info.start.x = event->x + view->scroll_x;
3468 view->image_dnd_info.start.y = event->y + view->scroll_y;
3470 ev_view_remove_all (view);
3472 if (EV_IS_SELECTION (view->document))
3473 start_selection_for_event (view, event);
3478 /* use root coordinates as reference point because
3479 * scrolling changes window relative coordinates */
3480 view->drag_info.start.x = event->x_root;
3481 view->drag_info.start.y = event->y_root;
3482 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
3483 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
3485 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
3489 view->scroll_info.start_y = event->y;
3490 return ev_view_do_popup_menu (view, event->x, event->y);
3497 ev_view_remove_all (EvView *view)
3499 GList *children, *child;
3501 children = gtk_container_get_children (GTK_CONTAINER (view));
3502 for (child = children; child && child->data; child = g_list_next (child)) {
3503 gtk_container_remove (GTK_CONTAINER (view),
3504 GTK_WIDGET (child->data));
3506 g_list_free (children);
3509 /*** Drag and Drop ***/
3511 ev_view_drag_data_get (GtkWidget *widget,
3512 GdkDragContext *context,
3513 GtkSelectionData *selection_data,
3517 EvView *view = EV_VIEW (widget);
3520 case TARGET_DND_TEXT:
3521 if (EV_IS_SELECTION (view->document) &&
3522 view->selection_info.selections) {
3525 text = get_selected_text (view);
3526 gtk_selection_data_set_text (selection_data,
3532 case TARGET_DND_IMAGE:
3533 if (view->image_dnd_info.image) {
3536 ev_document_doc_mutex_lock ();
3537 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3538 view->image_dnd_info.image);
3539 ev_document_doc_mutex_unlock ();
3541 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
3542 g_object_unref (pixbuf);
3545 case TARGET_DND_URI:
3546 if (view->image_dnd_info.image) {
3548 const gchar *tmp_uri;
3551 ev_document_doc_mutex_lock ();
3552 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3553 view->image_dnd_info.image);
3554 ev_document_doc_mutex_unlock ();
3556 tmp_uri = ev_image_save_tmp (view->image_dnd_info.image, pixbuf);
3557 g_object_unref (pixbuf);
3559 uris[0] = (gchar *)tmp_uri;
3561 gtk_selection_data_set_uris (selection_data, uris);
3567 ev_view_drag_motion (GtkWidget *widget,
3568 GdkDragContext *context,
3573 if (gtk_drag_get_source_widget (context) == widget)
3574 gdk_drag_status (context, 0, time);
3576 gdk_drag_status (context, context->suggested_action, time);
3582 selection_update_idle_cb (EvView *view)
3584 compute_selections (view,
3585 view->selection_info.style,
3586 &view->selection_info.start,
3588 view->selection_update_id = 0;
3593 selection_scroll_timeout_cb (EvView *view)
3595 gint x, y, shift = 0;
3596 GtkWidget *widget = GTK_WIDGET (view);
3598 gtk_widget_get_pointer (widget, &x, &y);
3600 if (y > widget->allocation.height) {
3601 shift = (y - widget->allocation.height) / 2;
3607 gtk_adjustment_set_value (view->vadjustment,
3608 CLAMP (view->vadjustment->value + shift,
3609 view->vadjustment->lower,
3610 view->vadjustment->upper -
3611 view->vadjustment->page_size));
3613 if (x > widget->allocation.width) {
3614 shift = (x - widget->allocation.width) / 2;
3620 gtk_adjustment_set_value (view->hadjustment,
3621 CLAMP (view->hadjustment->value + shift,
3622 view->hadjustment->lower,
3623 view->hadjustment->upper -
3624 view->hadjustment->page_size));
3630 ev_view_drag_update_momentum (EvView *view)
3633 if (!view->drag_info.in_drag)
3636 for (i = DRAG_HISTORY - 1; i > 0; i--) {
3637 view->drag_info.buffer[i].x = view->drag_info.buffer[i-1].x;
3638 view->drag_info.buffer[i].y = view->drag_info.buffer[i-1].y;
3641 /* Momentum is a moving average of 10ms granularity over
3642 * the last 100ms with each 10ms stored in buffer.
3645 view->drag_info.momentum.x = (view->drag_info.buffer[DRAG_HISTORY - 1].x - view->drag_info.buffer[0].x);
3646 view->drag_info.momentum.y = (view->drag_info.buffer[DRAG_HISTORY - 1].y - view->drag_info.buffer[0].y);
3652 ev_view_scroll_drag_release (EvView *view)
3654 gdouble dhadj_value, dvadj_value;
3655 gdouble oldhadjustment, oldvadjustment;
3657 view->drag_info.momentum.x /= 1.2;
3658 view->drag_info.momentum.y /= 1.2; /* Alter these constants to change "friction" */
3660 dhadj_value = view->hadjustment->page_size *
3661 (gdouble)view->drag_info.momentum.x / GTK_WIDGET (view)->allocation.width;
3662 dvadj_value = view->vadjustment->page_size *
3663 (gdouble)view->drag_info.momentum.y / GTK_WIDGET (view)->allocation.height;
3665 oldhadjustment = gtk_adjustment_get_value (view->hadjustment);
3666 oldvadjustment = gtk_adjustment_get_value (view->vadjustment);
3668 /* When we reach the edges, we need either to absorb some momentum and bounce by
3669 * multiplying it on -0.5 or stop scrolling by setting momentum to 0. */
3670 if (((oldhadjustment + dhadj_value) > (view->hadjustment->upper - view->hadjustment->page_size)) ||
3671 ((oldhadjustment + dhadj_value) < 0))
3672 view->drag_info.momentum.x = 0;
3673 if (((oldvadjustment + dvadj_value) > (view->vadjustment->upper - view->vadjustment->page_size)) ||
3674 ((oldvadjustment + dvadj_value) < 0))
3675 view->drag_info.momentum.y = 0;
3677 gtk_adjustment_set_value (view->hadjustment,
3678 MIN (oldhadjustment + dhadj_value,
3679 view->hadjustment->upper - view->hadjustment->page_size));
3680 gtk_adjustment_set_value (view->vadjustment,
3681 MIN (oldvadjustment + dvadj_value,
3682 view->vadjustment->upper - view->vadjustment->page_size));
3684 if (((view->drag_info.momentum.x < 1) && (view->drag_info.momentum.x > -1)) &&
3685 ((view->drag_info.momentum.y < 1) && (view->drag_info.momentum.y > -1)))
3692 ev_view_motion_notify_event (GtkWidget *widget,
3693 GdkEventMotion *event)
3695 EvView *view = EV_VIEW (widget);
3698 if (!view->document)
3702 if (event->is_hint || event->window != view->layout.bin_window) {
3703 gtk_widget_get_pointer (widget, &x, &y);
3709 if (view->scroll_info.autoscrolling) {
3710 view->scroll_info.last_y = y;
3714 if (view->selection_info.in_drag) {
3715 if (gtk_drag_check_threshold (widget,
3716 view->selection_info.start.x,
3717 view->selection_info.start.y,
3719 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3721 gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT);
3723 gtk_drag_begin (widget, target_list,
3725 1, (GdkEvent *)event);
3727 view->selection_info.in_drag = FALSE;
3729 gtk_target_list_unref (target_list);
3733 } else if (view->image_dnd_info.in_drag) {
3734 if (gtk_drag_check_threshold (widget,
3735 view->selection_info.start.x,
3736 view->selection_info.start.y,
3738 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3740 gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI);
3741 gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE);
3743 gtk_drag_begin (widget, target_list,
3745 1, (GdkEvent *)event);
3747 view->image_dnd_info.in_drag = FALSE;
3749 gtk_target_list_unref (target_list);
3755 switch (view->pressed_button) {
3757 /* For the Evince 0.4.x release, we limit selection to un-rotated
3760 if (view->rotation != 0)
3763 /* Schedule timeout to scroll during selection and additionally
3764 * scroll once to allow arbitrary speed. */
3765 if (!view->selection_scroll_id)
3766 view->selection_scroll_id = g_timeout_add (SCROLL_TIME,
3767 (GSourceFunc)selection_scroll_timeout_cb,
3770 selection_scroll_timeout_cb (view);
3772 view->selection_info.in_selection = TRUE;
3773 view->motion.x = x + view->scroll_x;
3774 view->motion.y = y + view->scroll_y;
3776 /* Queue an idle to handle the motion. We do this because
3777 * handling any selection events in the motion could be slower
3778 * than new motion events reach us. We always put it in the
3779 * idle to make sure we catch up and don't visibly lag the
3781 if (!view->selection_update_id)
3782 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
3786 if (!view->drag_info.in_drag) {
3790 start = gtk_drag_check_threshold (widget,
3791 view->drag_info.start.x,
3792 view->drag_info.start.y,
3795 view->drag_info.in_drag = start;
3796 view->drag_info.drag_timeout_id = g_timeout_add (10,
3797 (GSourceFunc)ev_view_drag_update_momentum, view);
3798 /* Set 100 to choose how long it takes to build up momentum */
3799 /* Clear out previous momentum info: */
3800 for (i = 0; i < DRAG_HISTORY; i++) {
3801 view->drag_info.buffer[i].x = event->x;
3802 view->drag_info.buffer[i].y = event->y;
3804 view->drag_info.momentum.x = 0;
3805 view->drag_info.momentum.y = 0;
3808 if (view->drag_info.in_drag) {
3810 gdouble dhadj_value, dvadj_value;
3812 view->drag_info.buffer[0].x = event->x;
3813 view->drag_info.buffer[0].y = event->y;
3815 dx = event->x_root - view->drag_info.start.x;
3816 dy = event->y_root - view->drag_info.start.y;
3818 dhadj_value = view->hadjustment->page_size *
3819 (gdouble)dx / widget->allocation.width;
3820 dvadj_value = view->vadjustment->page_size *
3821 (gdouble)dy / widget->allocation.height;
3823 /* clamp scrolling to visible area */
3824 gtk_adjustment_set_value (view->hadjustment,
3825 MIN(view->drag_info.hadj - dhadj_value,
3826 view->hadjustment->upper -
3827 view->hadjustment->page_size));
3828 gtk_adjustment_set_value (view->vadjustment,
3829 MIN(view->drag_info.vadj - dvadj_value,
3830 view->vadjustment->upper -
3831 view->vadjustment->page_size));
3838 ev_view_handle_cursor_over_xy (view, x, y);
3845 ev_view_button_release_event (GtkWidget *widget,
3846 GdkEventButton *event)
3848 EvView *view = EV_VIEW (widget);
3849 EvLink *link = NULL;
3851 view->image_dnd_info.in_drag = FALSE;
3853 if (view->scroll_info.autoscrolling) {
3854 ev_view_autoscroll_stop (view);
3855 view->pressed_button = -1;
3860 if (view->drag_info.in_drag) {
3861 view->drag_info.release_timeout_id =
3863 (GSourceFunc)ev_view_scroll_drag_release, view);
3866 if (view->document && !view->drag_info.in_drag && view->pressed_button != 3) {
3867 link = ev_view_get_link_at_location (view, event->x, event->y);
3870 view->drag_info.in_drag = FALSE;
3872 if (view->pressed_button == 2) {
3873 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3876 view->pressed_button = -1;
3878 if (view->selection_scroll_id) {
3879 g_source_remove (view->selection_scroll_id);
3880 view->selection_scroll_id = 0;
3882 if (view->selection_update_id) {
3883 g_source_remove (view->selection_update_id);
3884 view->selection_update_id = 0;
3887 if (view->selection_info.selections) {
3888 clear_link_selected (view);
3889 ev_view_update_primary_selection (view);
3891 if (view->selection_info.in_drag) {
3892 clear_selection (view);
3893 gtk_widget_queue_draw (widget);
3896 view->selection_info.in_drag = FALSE;
3898 if (event->button == 2) {
3899 EvLinkAction *action;
3900 EvLinkActionType type;
3902 action = ev_link_get_action (link);
3906 type = ev_link_action_get_action_type (action);
3907 if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
3908 g_signal_emit (view,
3909 signals[SIGNAL_EXTERNAL_LINK],
3913 ev_view_handle_link (view, link);
3915 } else if (view->presentation) {
3916 switch (event->button) {
3918 ev_view_next_page (view);
3921 ev_view_previous_page (view);
3930 /* Cut and paste from gtkwindow.c */
3932 send_focus_change (GtkWidget *widget,
3935 GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE);
3937 g_object_ref (widget);
3940 GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
3942 GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
3944 fevent->focus_change.type = GDK_FOCUS_CHANGE;
3945 fevent->focus_change.window = g_object_ref (widget->window);
3946 fevent->focus_change.in = in;
3948 gtk_widget_event (widget, fevent);
3950 g_object_notify (G_OBJECT (widget), "has-focus");
3952 g_object_unref (widget);
3953 gdk_event_free (fevent);
3957 ev_view_goto_window_hide (EvView *view)
3959 /* send focus-in event */
3960 send_focus_change (view->goto_entry, FALSE);
3961 gtk_widget_hide (view->goto_window);
3962 gtk_entry_set_text (GTK_ENTRY (view->goto_entry), "");
3966 ev_view_goto_window_delete_event (GtkWidget *widget,
3970 ev_view_goto_window_hide (view);
3976 key_is_numeric (guint keyval)
3978 return ((keyval >= GDK_0 && keyval <= GDK_9) ||
3979 (keyval >= GDK_KP_0 && keyval <= GDK_KP_9));
3983 ev_view_goto_window_key_press_event (GtkWidget *widget,
3987 switch (event->keyval) {
3991 case GDK_ISO_Left_Tab:
3992 ev_view_goto_window_hide (view);
4001 if (!key_is_numeric (event->keyval))
4009 ev_view_goto_window_button_press_event (GtkWidget *widget,
4010 GdkEventButton *event,
4013 ev_view_goto_window_hide (view);
4019 ev_view_goto_entry_activate (GtkEntry *entry,
4025 text = gtk_entry_get_text (entry);
4026 page = atoi (text) - 1;
4028 ev_view_goto_window_hide (view);
4030 if (page >= 0 && page < ev_document_get_n_pages (view->document)) {
4031 ev_document_model_set_page (view->model, page);
4036 ev_view_goto_window_create (EvView *view)
4038 GtkWidget *frame, *hbox, *toplevel, *label;
4040 toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view));
4042 if (view->goto_window) {
4043 if (GTK_WINDOW (toplevel)->group)
4044 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
4045 GTK_WINDOW (view->goto_window));
4046 else if (GTK_WINDOW (view->goto_window)->group)
4047 gtk_window_group_remove_window (GTK_WINDOW (view->goto_window)->group,
4048 GTK_WINDOW (view->goto_window));
4052 view->goto_window = gtk_window_new (GTK_WINDOW_POPUP);
4053 gtk_window_set_screen (GTK_WINDOW (view->goto_window),
4054 gtk_widget_get_screen (GTK_WIDGET (view)));
4056 if (GTK_WINDOW (toplevel)->group)
4057 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
4058 GTK_WINDOW (view->goto_window));
4060 gtk_window_set_modal (GTK_WINDOW (view->goto_window), TRUE);
4062 g_signal_connect (view->goto_window, "delete_event",
4063 G_CALLBACK (ev_view_goto_window_delete_event),
4065 g_signal_connect (view->goto_window, "key_press_event",
4066 G_CALLBACK (ev_view_goto_window_key_press_event),
4068 g_signal_connect (view->goto_window, "button_press_event",
4069 G_CALLBACK (ev_view_goto_window_button_press_event),
4072 frame = gtk_frame_new (NULL);
4073 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
4074 gtk_container_add (GTK_CONTAINER (view->goto_window), frame);
4075 gtk_widget_show (frame);
4077 hbox = gtk_hbox_new (FALSE, 0);
4078 gtk_container_set_border_width (GTK_CONTAINER (hbox), 3);
4079 gtk_container_add (GTK_CONTAINER (frame), hbox);
4080 gtk_widget_show (hbox);
4082 label = gtk_label_new(_("Jump to page:"));
4083 gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 3);
4084 gtk_widget_show (label);
4085 gtk_widget_realize (label);
4087 view->goto_entry = gtk_entry_new ();
4088 g_signal_connect (view->goto_entry, "activate",
4089 G_CALLBACK (ev_view_goto_entry_activate),
4091 gtk_box_pack_start (GTK_BOX (hbox), view->goto_entry, TRUE, TRUE, 0);
4092 gtk_widget_show (view->goto_entry);
4093 gtk_widget_realize (view->goto_entry);
4097 ev_view_goto_entry_grab_focus (EvView *view)
4099 GtkWidgetClass *entry_parent_class;
4101 entry_parent_class = g_type_class_peek_parent (GTK_ENTRY_GET_CLASS (view->goto_entry));
4102 (entry_parent_class->grab_focus) (view->goto_entry);
4104 send_focus_change (view->goto_entry, TRUE);
4108 ev_view_goto_window_send_key_event (EvView *view,
4111 GdkEventKey *new_event;
4114 /* Move goto window off screen */
4115 screen = gtk_widget_get_screen (GTK_WIDGET (view));
4116 gtk_window_move (GTK_WINDOW (view->goto_window),
4117 gdk_screen_get_width (screen) + 1,
4118 gdk_screen_get_height (screen) + 1);
4119 gtk_widget_show (view->goto_window);
4121 new_event = (GdkEventKey *) gdk_event_copy (event);
4122 g_object_unref (new_event->window);
4123 new_event->window = g_object_ref (view->goto_window->window);
4124 gtk_widget_realize (view->goto_window);
4126 gtk_widget_event (view->goto_window, (GdkEvent *)new_event);
4127 gdk_event_free ((GdkEvent *)new_event);
4128 gtk_widget_hide (view->goto_window);
4132 ev_view_key_press_event (GtkWidget *widget,
4135 EvView *view = EV_VIEW (widget);
4136 EvPresentationState current;
4138 if (!view->document)
4141 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
4142 /* Forward key events to current focused window child */
4143 if (view->window_child_focus) {
4144 GdkEventKey *new_event;
4147 new_event = (GdkEventKey *) gdk_event_copy ((GdkEvent *)event);
4148 g_object_unref (new_event->window);
4149 new_event->window = g_object_ref (view->window_child_focus->window->window);
4150 gtk_widget_realize (view->window_child_focus->window);
4151 handled = gtk_widget_event (view->window_child_focus->window, (GdkEvent *)new_event);
4152 gdk_event_free ((GdkEvent *)new_event);
4160 if (!view->presentation ||
4161 view->presentation_state == EV_PRESENTATION_END)
4162 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
4165 current = view->presentation_state;
4167 switch (event->keyval) {
4171 case GDK_KP_Decimal:
4172 view->presentation_state =
4173 (view->presentation_state == EV_PRESENTATION_BLACK) ?
4174 EV_PRESENTATION_NORMAL : EV_PRESENTATION_BLACK;
4178 view->presentation_state =
4179 (view->presentation_state == EV_PRESENTATION_WHITE) ?
4180 EV_PRESENTATION_NORMAL : EV_PRESENTATION_WHITE;
4183 if (view->presentation_state == EV_PRESENTATION_BLACK ||
4184 view->presentation_state == EV_PRESENTATION_WHITE) {
4185 view->presentation_state = EV_PRESENTATION_NORMAL;
4189 if (current == view->presentation_state) {
4190 if (ev_document_get_n_pages (view->document) > 1 &&
4191 key_is_numeric (event->keyval)) {
4194 ev_view_goto_window_create (view);
4195 ev_view_goto_window_send_key_event (view, (GdkEvent *)event);
4196 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4197 gtk_window_move (GTK_WINDOW (view->goto_window), x, y);
4198 gtk_widget_show (view->goto_window);
4199 ev_view_goto_entry_grab_focus (view);
4204 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
4207 switch (view->presentation_state) {
4208 case EV_PRESENTATION_NORMAL:
4209 case EV_PRESENTATION_BLACK:
4210 gdk_window_set_background (view->layout.bin_window,
4211 &widget->style->black);
4213 case EV_PRESENTATION_WHITE:
4214 gdk_window_set_background (view->layout.bin_window,
4215 &widget->style->white);
4218 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
4221 gtk_widget_queue_draw (widget);
4226 ev_view_focus_in (GtkWidget *widget,
4227 GdkEventFocus *event)
4229 if (EV_VIEW (widget)->pixbuf_cache)
4230 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4231 gtk_widget_queue_draw (widget);
4237 ev_view_focus_out (GtkWidget *widget,
4238 GdkEventFocus *event)
4240 if (EV_VIEW (widget)->goto_window)
4241 ev_view_goto_window_hide (EV_VIEW (widget));
4243 if (EV_VIEW (widget)->pixbuf_cache)
4244 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4245 gtk_widget_queue_draw (widget);
4251 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
4253 EvView *view = EV_VIEW (widget);
4255 if (view->cursor != EV_VIEW_CURSOR_NORMAL)
4256 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
4262 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
4264 EvView *view = EV_VIEW (widget);
4266 ev_view_handle_cursor_over_xy (view, event->x, event->y);
4272 ev_view_style_set (GtkWidget *widget,
4273 GtkStyle *old_style)
4275 if (EV_VIEW (widget)->pixbuf_cache)
4276 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
4278 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
4284 ev_gdk_color_to_rgb (const GdkColor *color)
4287 result = (0xff0000 | (color->red & 0xff00));
4289 result |= ((color->green & 0xff00) | (color->blue >> 8));
4294 draw_rubberband (GtkWidget *widget, GdkWindow *window,
4295 const GdkRectangle *rect, guchar alpha)
4299 GdkColor *fill_color_gdk;
4302 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
4303 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
4305 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
4306 rect->width, rect->height);
4307 gdk_pixbuf_fill (pixbuf, fill_color);
4309 gdk_draw_pixbuf (window, NULL, pixbuf,
4311 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
4312 rect->width, rect->height,
4313 GDK_RGB_DITHER_NONE,
4316 g_object_unref (pixbuf);
4318 gc = gdk_gc_new (window);
4319 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
4320 gdk_draw_rectangle (window, gc, FALSE,
4321 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
4324 g_object_unref (gc);
4326 gdk_color_free (fill_color_gdk);
4331 highlight_find_results (EvView *view, int page)
4333 gint i, n_results = 0;
4335 n_results = ev_view_find_get_n_results (view, page);
4337 for (i = 0; i < n_results; i++) {
4338 EvRectangle *rectangle;
4339 GdkRectangle view_rectangle;
4342 if (i == view->find_result && page == view->current_page) {
4348 rectangle = ev_view_find_get_result (view, page, i);
4349 doc_rect_to_view_rect (view, page, rectangle, &view_rectangle);
4350 draw_rubberband (GTK_WIDGET (view), view->layout.bin_window,
4351 &view_rectangle, alpha);
4356 draw_loading_text (EvView *view,
4357 GdkRectangle *page_area,
4358 GdkRectangle *expose_area)
4363 if (!view->loading_text) {
4364 const gchar *loading_text = _("Loading...");
4365 PangoLayout *layout;
4366 PangoFontDescription *font_desc;
4367 PangoRectangle logical_rect;
4371 ev_document_fc_mutex_lock ();
4373 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
4375 font_desc = pango_font_description_new ();
4377 /* We set the font to be 10 points, get the size, and scale appropriately */
4378 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
4379 pango_layout_set_font_description (layout, font_desc);
4380 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
4382 target_width = MAX (page_area->width / 2, 1);
4383 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
4384 pango_font_description_set_size (font_desc, (int)real_scale);
4385 pango_layout_set_font_description (layout, font_desc);
4386 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
4388 view->loading_text = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
4390 logical_rect.height);
4391 cr = cairo_create (view->loading_text);
4392 cairo_set_source_rgb (cr,
4396 pango_cairo_show_layout (cr, layout);
4399 pango_font_description_free (font_desc);
4400 g_object_unref (layout);
4402 ev_document_fc_mutex_unlock ();
4405 width = (page_area->width - cairo_image_surface_get_width (view->loading_text)) / 2;
4406 height = (page_area->height - cairo_image_surface_get_height (view->loading_text)) / 2;
4408 cr = gdk_cairo_create (view->layout.bin_window);
4409 cairo_translate (cr,
4410 page_area->x + width,
4411 page_area->y + height);
4412 cairo_set_source_surface (cr, view->loading_text, 0, 0);
4418 draw_one_page (EvView *view,
4421 GdkRectangle *page_area,
4423 GdkRectangle *expose_area,
4424 gboolean *page_ready)
4426 GdkRectangle overlap;
4427 GdkRectangle real_page_area;
4429 g_assert (view->document);
4431 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
4434 /* Render the document itself */
4435 real_page_area = *page_area;
4437 real_page_area.x += border->left;
4438 real_page_area.y += border->top;
4439 real_page_area.width -= (border->left + border->right);
4440 real_page_area.height -= (border->top + border->bottom);
4443 if (!view->presentation) {
4446 current_page = ev_document_model_get_page (view->model);
4447 ev_document_misc_paint_one_page (view->layout.bin_window,
4450 page == current_page);
4453 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
4455 gint page_width, page_height;
4456 cairo_surface_t *page_surface = NULL;
4457 gint selection_width, selection_height;
4458 cairo_surface_t *selection_surface = NULL;
4460 page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page);
4462 if (!page_surface) {
4463 if (!view->presentation) {
4464 draw_loading_text (view,
4469 *page_ready = FALSE;
4474 ev_view_get_page_size (view, page, &width, &height);
4476 page_width = cairo_image_surface_get_width (page_surface);
4477 page_height = cairo_image_surface_get_height (page_surface);
4480 cairo_translate (cr, overlap.x, overlap.y);
4482 if (width != page_width || height != page_height) {
4483 cairo_pattern_set_filter (cairo_get_source (cr),
4486 (gdouble)width / page_width,
4487 (gdouble)height / page_height);
4490 cairo_surface_set_device_offset (page_surface,
4491 overlap.x - real_page_area.x,
4492 overlap.y - real_page_area.y);
4493 cairo_set_source_surface (cr, page_surface, 0, 0);
4497 /* Get the selection pixbuf iff we have something to draw */
4498 if (find_selection_for_page (view, page) &&
4499 view->selection_mode == EV_VIEW_SELECTION_TEXT) {
4501 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
4507 if (!selection_surface) {
4511 selection_width = cairo_image_surface_get_width (selection_surface);
4512 selection_height = cairo_image_surface_get_height (selection_surface);
4515 cairo_translate (cr, overlap.x, overlap.y);
4517 if (width != selection_width || height != selection_height) {
4518 cairo_pattern_set_filter (cairo_get_source (cr),
4521 (gdouble)width / selection_width,
4522 (gdouble)height / selection_height);
4525 cairo_surface_set_device_offset (selection_surface,
4526 overlap.x - real_page_area.x,
4527 overlap.y - real_page_area.y);
4528 cairo_set_source_surface (cr, selection_surface, 0, 0);
4534 /*** GObject functions ***/
4537 ev_view_finalize (GObject *object)
4539 EvView *view = EV_VIEW (object);
4541 clear_selection (view);
4542 clear_link_selected (view);
4544 if (view->image_dnd_info.image)
4545 g_object_unref (view->image_dnd_info.image);
4546 view->image_dnd_info.image = NULL;
4548 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
4552 ev_view_destroy (GtkObject *object)
4554 EvView *view = EV_VIEW (object);
4557 g_object_unref (view->model);
4561 if (view->pixbuf_cache) {
4562 g_object_unref (view->pixbuf_cache);
4563 view->pixbuf_cache = NULL;
4566 if (view->document) {
4567 g_object_unref (view->document);
4568 view->document = NULL;
4571 if (view->page_cache) {
4572 g_object_unref (view->page_cache);
4573 view->page_cache = NULL;
4576 if (view->goto_window) {
4577 gtk_widget_destroy (view->goto_window);
4578 view->goto_window = NULL;
4579 view->goto_entry = NULL;
4582 ev_view_window_children_free (view);
4584 if (view->selection_scroll_id) {
4585 g_source_remove (view->selection_scroll_id);
4586 view->selection_scroll_id = 0;
4589 if (view->selection_update_id) {
4590 g_source_remove (view->selection_update_id);
4591 view->selection_update_id = 0;
4594 if (view->loading_text) {
4595 cairo_surface_destroy (view->loading_text);
4596 view->loading_text = NULL;
4599 if (view->scroll_info.timeout_id) {
4600 g_source_remove (view->scroll_info.timeout_id);
4601 view->scroll_info.timeout_id = 0;
4604 if (view->drag_info.drag_timeout_id) {
4605 g_source_remove (view->drag_info.drag_timeout_id);
4606 view->drag_info.drag_timeout_id = 0;
4609 if (view->drag_info.release_timeout_id) {
4610 g_source_remove (view->drag_info.release_timeout_id);
4611 view->drag_info.release_timeout_id = 0;
4614 ev_view_presentation_transition_stop (view);
4616 ev_view_set_scroll_adjustments (GTK_LAYOUT (view), NULL, NULL);
4618 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
4622 ev_view_set_property (GObject *object,
4624 const GValue *value,
4627 EvView *view = EV_VIEW (object);
4630 case PROP_PRESENTATION:
4631 ev_view_set_presentation (view, g_value_get_boolean (value));
4634 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
4639 ev_view_get_accessible (GtkWidget *widget)
4641 static gboolean first_time = TRUE;
4644 AtkObjectFactory *factory;
4645 AtkRegistry *registry;
4647 GType derived_atk_type;
4650 * Figure out whether accessibility is enabled by looking at the
4651 * type of the accessible object which would be created for
4652 * the parent type of EvView.
4654 derived_type = g_type_parent (EV_TYPE_VIEW);
4656 registry = atk_get_default_registry ();
4657 factory = atk_registry_get_factory (registry,
4659 derived_atk_type = atk_object_factory_get_accessible_type (factory);
4660 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
4661 atk_registry_set_factory_type (registry,
4663 ev_view_accessible_factory_get_type ());
4666 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
4670 ev_view_get_property (GObject *object,
4675 EvView *view = EV_VIEW (object);
4678 case PROP_PRESENTATION:
4679 g_value_set_boolean (value, view->presentation);
4681 case PROP_HAS_SELECTION:
4682 g_value_set_boolean (value,
4683 view->selection_info.selections != NULL);
4686 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
4691 ev_view_class_init (EvViewClass *class)
4693 GObjectClass *object_class = G_OBJECT_CLASS (class);
4694 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
4695 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
4696 GtkLayoutClass *layout_class = GTK_LAYOUT_CLASS (class);
4697 GtkBindingSet *binding_set;
4699 object_class->finalize = ev_view_finalize;
4700 object_class->set_property = ev_view_set_property;
4701 object_class->get_property = ev_view_get_property;
4703 widget_class->expose_event = ev_view_expose_event;
4704 widget_class->button_press_event = ev_view_button_press_event;
4705 widget_class->motion_notify_event = ev_view_motion_notify_event;
4706 widget_class->button_release_event = ev_view_button_release_event;
4707 widget_class->key_press_event = ev_view_key_press_event;
4708 widget_class->focus_in_event = ev_view_focus_in;
4709 widget_class->focus_out_event = ev_view_focus_out;
4710 widget_class->get_accessible = ev_view_get_accessible;
4711 widget_class->size_request = ev_view_size_request;
4712 widget_class->size_allocate = ev_view_size_allocate;
4713 widget_class->realize = ev_view_realize;
4714 widget_class->scroll_event = ev_view_scroll_event;
4715 widget_class->enter_notify_event = ev_view_enter_notify_event;
4716 widget_class->leave_notify_event = ev_view_leave_notify_event;
4717 widget_class->style_set = ev_view_style_set;
4718 widget_class->drag_data_get = ev_view_drag_data_get;
4719 widget_class->drag_motion = ev_view_drag_motion;
4720 widget_class->popup_menu = ev_view_popup_menu;
4721 widget_class->query_tooltip = ev_view_query_tooltip;
4723 gtk_object_class->destroy = ev_view_destroy;
4725 layout_class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
4727 class->binding_activated = ev_view_scroll;
4729 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
4730 G_TYPE_FROM_CLASS (object_class),
4731 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4732 G_STRUCT_OFFSET (EvViewClass, binding_activated),
4734 ev_view_marshal_VOID__ENUM_BOOLEAN,
4736 GTK_TYPE_SCROLL_TYPE,
4738 signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link",
4739 G_TYPE_FROM_CLASS (object_class),
4740 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4741 G_STRUCT_OFFSET (EvViewClass, handle_link),
4743 g_cclosure_marshal_VOID__OBJECT,
4746 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
4747 G_TYPE_FROM_CLASS (object_class),
4748 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4749 G_STRUCT_OFFSET (EvViewClass, external_link),
4751 g_cclosure_marshal_VOID__OBJECT,
4754 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
4755 G_TYPE_FROM_CLASS (object_class),
4756 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4757 G_STRUCT_OFFSET (EvViewClass, popup_menu),
4759 g_cclosure_marshal_VOID__OBJECT,
4764 g_object_class_install_property (object_class,
4766 g_param_spec_boolean ("presentation",
4768 "Draw page in presentation mode",
4770 G_PARAM_READWRITE));
4771 g_object_class_install_property (object_class,
4773 g_param_spec_boolean ("has-selection",
4775 "The view has selections",
4779 binding_set = gtk_binding_set_by_class (class);
4781 add_scroll_binding_keypad (binding_set, GDK_Left, 0, GTK_SCROLL_STEP_BACKWARD, TRUE);
4782 add_scroll_binding_keypad (binding_set, GDK_Right, 0, GTK_SCROLL_STEP_FORWARD, TRUE);
4783 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, TRUE);
4784 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, TRUE);
4785 add_scroll_binding_keypad (binding_set, GDK_Up, 0, GTK_SCROLL_STEP_BACKWARD, FALSE);
4786 add_scroll_binding_keypad (binding_set, GDK_Down, 0, GTK_SCROLL_STEP_FORWARD, FALSE);
4787 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, FALSE);
4788 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, FALSE);
4789 gtk_binding_entry_add_signal (binding_set, GDK_H, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4790 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE);
4791 gtk_binding_entry_add_signal (binding_set, GDK_J, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4792 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE);
4793 gtk_binding_entry_add_signal (binding_set, GDK_K, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4794 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE);
4795 gtk_binding_entry_add_signal (binding_set, GDK_L, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4796 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE);
4801 ev_view_init (EvView *view)
4803 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
4805 view->start_page = -1;
4806 view->end_page = -1;
4809 view->current_page = 0;
4810 view->pressed_button = -1;
4811 view->cursor = EV_VIEW_CURSOR_NORMAL;
4812 view->drag_info.in_drag = FALSE;
4813 view->scroll_info.autoscrolling = FALSE;
4814 view->selection_info.selections = NULL;
4815 view->selection_info.in_selection = FALSE;
4816 view->selection_info.in_drag = FALSE;
4817 view->selection_mode = EV_VIEW_SELECTION_TEXT;
4818 view->continuous = TRUE;
4819 view->dual_page = FALSE;
4820 view->presentation = FALSE;
4821 view->presentation_state = EV_PRESENTATION_NORMAL;
4822 view->fullscreen = FALSE;
4823 view->sizing_mode = EV_SIZING_FIT_WIDTH;
4824 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4825 view->jump_to_find_result = TRUE;
4826 view->highlight_find_results = FALSE;
4828 gtk_layout_set_hadjustment (GTK_LAYOUT (view), NULL);
4829 gtk_layout_set_vadjustment (GTK_LAYOUT (view), NULL);
4835 ev_view_change_page (EvView *view,
4837 gboolean start_transition)
4841 view->current_page = new_page;
4842 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4844 if (view->presentation && start_transition)
4845 ev_view_presentation_transition_start (view);
4847 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4848 ev_view_handle_cursor_over_xy (view, x, y);
4850 gtk_widget_queue_resize (GTK_WIDGET (view));
4854 ev_view_transition_animation_finish (EvTransitionAnimation *animation,
4857 g_object_unref (view->animation);
4858 view->animation = NULL;
4859 ev_view_change_page (view, view->current_page, TRUE);
4863 * ev_view_transition_animation_cancel:
4864 * @animation: Animation to finish
4867 * Does almost the same as cancel, but without scheduling the transition.
4871 ev_view_transition_animation_cancel (EvTransitionAnimation *animation,
4874 g_object_unref (view->animation);
4875 view->animation = NULL;
4876 ev_view_change_page (view, view->current_page, FALSE);
4880 ev_view_transition_animation_frame (EvTransitionAnimation *animation,
4884 gtk_widget_queue_draw (GTK_WIDGET (view));
4888 ev_view_presentation_animation_start (EvView *view,
4891 EvTransitionEffect *effect = NULL;
4892 cairo_surface_t *surface;
4894 if (EV_IS_DOCUMENT_TRANSITION (view->document))
4895 effect = ev_document_transition_get_effect (EV_DOCUMENT_TRANSITION (view->document),
4896 view->current_page);
4900 view->animation = ev_transition_animation_new (effect);
4902 surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page);
4903 ev_transition_animation_set_origin_surface (view->animation, surface);
4904 surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, new_page);
4906 ev_transition_animation_set_dest_surface (view->animation, surface);
4908 g_signal_connect (view->animation, "frame",
4909 G_CALLBACK (ev_view_transition_animation_frame), view);
4910 g_signal_connect (view->animation, "finished",
4911 G_CALLBACK (ev_view_transition_animation_finish), view);
4915 job_finished_cb (EvPixbufCache *pixbuf_cache,
4919 if (view->animation) {
4920 cairo_surface_t *surface;
4922 surface = ev_pixbuf_cache_get_surface (pixbuf_cache, view->current_page);
4923 ev_transition_animation_set_dest_surface (view->animation, surface);
4927 gdk_window_invalidate_region (view->layout.bin_window,
4930 gtk_widget_queue_draw (GTK_WIDGET (view));
4935 ev_view_page_changed_cb (EvDocumentModel *model,
4940 if (!view->document)
4943 if (view->current_page != new_page) {
4944 if (view->presentation)
4945 ev_view_presentation_animation_start (view, new_page);
4947 ev_view_change_page (view, new_page, TRUE);
4949 gtk_widget_queue_draw (GTK_WIDGET (view));
4952 view->find_result = 0;
4956 on_adjustment_value_changed (GtkAdjustment *adjustment,
4961 GList *children, *l;
4963 if (! GTK_WIDGET_REALIZED (view))
4966 if (view->hadjustment) {
4967 dx = view->scroll_x - (int) view->hadjustment->value;
4968 view->scroll_x = (int) view->hadjustment->value;
4973 if (view->vadjustment) {
4974 dy = view->scroll_y - (int) view->vadjustment->value;
4975 view->scroll_y = (int) view->vadjustment->value;
4980 children = gtk_container_get_children (GTK_CONTAINER (view));
4981 for (l = children; l && l->data; l = g_list_next (l)) {
4982 gint child_x, child_y;
4983 GtkWidget *child = (GtkWidget *)l->data;
4985 gtk_container_child_get (GTK_CONTAINER (view),
4990 gtk_layout_move (GTK_LAYOUT (view), child, child_x + dx, child_y + dy);
4992 g_list_free (children);
4994 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
4995 EvViewWindowChild *child;
4997 child = (EvViewWindowChild *)l->data;
4999 ev_view_window_child_move (view, child, child->x + dx, child->y + dy);
5002 if (view->pending_resize)
5003 gtk_widget_queue_draw (GTK_WIDGET (view));
5005 gdk_window_scroll (view->layout.bin_window, dx, dy);
5007 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
5008 ev_view_handle_cursor_over_xy (view, x, y);
5011 view_update_range_and_current_page (view);
5019 view = g_object_new (EV_TYPE_VIEW, NULL);
5025 setup_caches (EvView *view)
5027 gboolean inverted_colors;
5029 view->height_to_page_cache = ev_view_get_height_to_page_cache (view);
5030 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
5031 view->page_cache = ev_page_cache_new (view->document);
5032 inverted_colors = ev_document_model_get_inverted_colors (view->model);
5033 ev_pixbuf_cache_set_inverted_colors (view->pixbuf_cache, inverted_colors);
5034 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
5038 clear_caches (EvView *view)
5040 if (view->pixbuf_cache) {
5041 g_object_unref (view->pixbuf_cache);
5042 view->pixbuf_cache = NULL;
5045 if (view->page_cache) {
5046 g_object_unref (view->page_cache);
5047 view->page_cache = NULL;
5052 ev_view_set_loading (EvView *view,
5055 view->loading = loading;
5056 gtk_widget_queue_draw (GTK_WIDGET (view));
5060 ev_view_autoscroll_cb (EvView *view)
5062 gdouble speed, value;
5064 /* If the user stops autoscrolling, autoscrolling will be
5065 * set to false but the timeout will continue; stop the timeout: */
5066 if (!view->scroll_info.autoscrolling) {
5067 view->scroll_info.timeout_id = 0;
5071 if (view->scroll_info.last_y > view->scroll_info.start_y &&
5072 (view->scroll_info.last_y < view->scroll_info.start_y))
5075 /* Replace 100 with your speed of choice: The lower the faster.
5076 * Replace 3 with another speed of choice: The higher, the faster it accelerated
5077 * based on the distance of the starting point from the mouse
5078 * (All also effected by the timeout interval of this callback) */
5080 if (view->scroll_info.start_y > view->scroll_info.last_y)
5081 speed = -pow ((((gdouble)view->scroll_info.start_y - view->scroll_info.last_y) / 100), 3);
5083 speed = pow ((((gdouble)view->scroll_info.last_y - view->scroll_info.start_y) / 100), 3);
5085 value = gtk_adjustment_get_value (view->vadjustment);
5086 value = CLAMP (value + speed, 0, view->vadjustment->upper - view->vadjustment->page_size);
5087 gtk_adjustment_set_value (view->vadjustment, value);
5094 ev_view_autoscroll_start (EvView *view)
5098 g_return_if_fail (EV_IS_VIEW (view));
5100 if (view->scroll_info.autoscrolling)
5103 view->scroll_info.autoscrolling = TRUE;
5104 view->scroll_info.timeout_id =
5105 g_timeout_add (20, (GSourceFunc)ev_view_autoscroll_cb,
5108 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
5109 ev_view_handle_cursor_over_xy (view, x, y);
5113 ev_view_autoscroll_stop (EvView *view)
5117 g_return_if_fail (EV_IS_VIEW (view));
5119 if (!view->scroll_info.autoscrolling)
5122 view->scroll_info.autoscrolling = FALSE;
5123 if (view->scroll_info.timeout_id) {
5124 g_source_remove (view->scroll_info.timeout_id);
5125 view->scroll_info.timeout_id = 0;
5128 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
5129 ev_view_handle_cursor_over_xy (view, x, y);
5133 ev_view_document_changed_cb (EvDocumentModel *model,
5137 EvDocument *document = ev_document_model_get_document (model);
5139 view->loading = FALSE;
5141 if (document != view->document) {
5144 clear_caches (view);
5146 if (view->document) {
5147 g_object_unref (view->document);
5150 view->document = document;
5151 view->find_result = 0;
5153 if (view->document) {
5154 g_object_ref (view->document);
5155 setup_caches (view);
5158 current_page = ev_document_model_get_page (model);
5159 if (view->current_page != current_page) {
5160 ev_view_change_page (view, current_page, TRUE);
5162 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
5163 gtk_widget_queue_resize (GTK_WIDGET (view));
5169 ev_view_rotation_changed_cb (EvDocumentModel *model,
5173 gint rotation = ev_document_model_get_rotation (model);
5175 view->rotation = rotation;
5177 if (view->pixbuf_cache) {
5178 ev_pixbuf_cache_clear (view->pixbuf_cache);
5179 if (!ev_document_is_page_size_uniform (view->document))
5180 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5181 gtk_widget_queue_resize (GTK_WIDGET (view));
5184 ev_view_remove_all (view);
5187 clear_selection (view);
5191 ev_view_inverted_colors_changed_cb (EvDocumentModel *model,
5195 if (view->pixbuf_cache) {
5196 gboolean inverted_colors;
5198 inverted_colors = ev_document_model_get_inverted_colors (model);
5199 ev_pixbuf_cache_set_inverted_colors (view->pixbuf_cache, inverted_colors);
5200 gtk_widget_queue_draw (GTK_WIDGET (view));
5205 ev_view_sizing_mode_changed_cb (EvDocumentModel *model,
5209 EvSizingMode mode = ev_document_model_get_sizing_mode (model);
5211 view->sizing_mode = mode;
5212 if (mode != EV_SIZING_FREE)
5213 gtk_widget_queue_resize (GTK_WIDGET (view));
5216 #define EPSILON 0.0000001
5218 ev_view_scale_changed_cb (EvDocumentModel *model,
5222 gdouble scale = ev_document_model_get_scale (model);
5224 if (ABS (view->scale - scale) < EPSILON)
5227 if (view->loading_text) {
5228 cairo_surface_destroy (view->loading_text);
5229 view->loading_text = NULL;
5232 view->scale = scale;
5234 view->pending_resize = TRUE;
5235 if (view->sizing_mode == EV_SIZING_FREE)
5236 gtk_widget_queue_resize (GTK_WIDGET (view));
5240 ev_view_continuous_changed_cb (EvDocumentModel *model,
5244 gboolean continuous = ev_document_model_get_continuous (model);
5246 view->continuous = continuous;
5247 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5248 gtk_widget_queue_resize (GTK_WIDGET (view));
5252 ev_view_dual_page_changed_cb (EvDocumentModel *model,
5256 gboolean dual_page = ev_document_model_get_dual_page (model);
5258 view->dual_page = dual_page;
5259 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5260 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
5261 * preload_cache_size to be 2 if dual_page is set.
5263 gtk_widget_queue_resize (GTK_WIDGET (view));
5267 ev_view_fullscreen_changed_cb (EvDocumentModel *model,
5271 gboolean fullscreen = ev_document_model_get_fullscreen (model);
5273 view->fullscreen = fullscreen;
5274 gtk_widget_queue_resize (GTK_WIDGET (view));
5278 ev_view_set_model (EvView *view,
5279 EvDocumentModel *model)
5281 g_return_if_fail (EV_IS_VIEW (view));
5282 g_return_if_fail (EV_IS_DOCUMENT_MODEL (model));
5284 if (model == view->model)
5288 g_signal_handlers_disconnect_by_func (view->model,
5289 ev_view_document_changed_cb,
5291 g_signal_handlers_disconnect_by_func (view->model,
5292 ev_view_page_changed_cb,
5294 g_object_unref (view->model);
5296 view->model = g_object_ref (model);
5297 g_signal_connect (view->model, "notify::document",
5298 G_CALLBACK (ev_view_document_changed_cb),
5300 g_signal_connect (view->model, "notify::rotation",
5301 G_CALLBACK (ev_view_rotation_changed_cb),
5303 g_signal_connect (view->model, "notify::inverted-colors",
5304 G_CALLBACK (ev_view_inverted_colors_changed_cb),
5306 g_signal_connect (view->model, "notify::sizing-mode",
5307 G_CALLBACK (ev_view_sizing_mode_changed_cb),
5309 g_signal_connect (view->model, "notify::scale",
5310 G_CALLBACK (ev_view_scale_changed_cb),
5312 g_signal_connect (view->model, "notify::continuous",
5313 G_CALLBACK (ev_view_continuous_changed_cb),
5315 g_signal_connect (view->model, "notify::dual-page",
5316 G_CALLBACK (ev_view_dual_page_changed_cb),
5318 g_signal_connect (view->model, "notify::fullscreen",
5319 G_CALLBACK (ev_view_fullscreen_changed_cb),
5321 g_signal_connect (view->model, "page-changed",
5322 G_CALLBACK (ev_view_page_changed_cb),
5327 ev_view_reload_page (EvView *view,
5331 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
5339 ev_view_reload (EvView *view)
5341 ev_pixbuf_cache_clear (view->pixbuf_cache);
5342 view_update_range_and_current_page (view);
5346 ev_view_set_presentation (EvView *view,
5347 gboolean presentation)
5349 g_return_if_fail (EV_IS_VIEW (view));
5351 presentation = presentation != FALSE;
5353 if (view->presentation == presentation)
5357 view->presentation_state = EV_PRESENTATION_NORMAL;
5359 view->presentation = presentation;
5360 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
5363 view->sizing_mode_saved = view->sizing_mode;
5364 view->scale_saved = view->scale;
5365 ev_document_model_set_sizing_mode (view->model, EV_SIZING_BEST_FIT);
5367 ev_document_model_set_sizing_mode (view->model, view->sizing_mode_saved);
5368 ev_document_model_set_scale (view->model, view->scale_saved);
5371 gtk_widget_queue_resize (GTK_WIDGET (view));
5374 ev_view_presentation_transition_start (view);
5376 ev_view_presentation_transition_stop (view);
5378 if (view->animation) {
5379 /* stop any running animation */
5380 ev_view_transition_animation_cancel (view->animation, view);
5384 if (GTK_WIDGET_REALIZED (view)) {
5385 if (view->presentation)
5386 gdk_window_set_background (view->layout.bin_window,
5387 >K_WIDGET (view)->style->black);
5389 gdk_window_set_background (view->layout.bin_window,
5390 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
5393 g_object_notify (G_OBJECT (view), "presentation");
5397 ev_view_get_presentation (EvView *view)
5399 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5401 return view->presentation;
5405 transition_next_page (EvView *view)
5407 ev_view_next_page (view);
5413 ev_view_presentation_transition_stop (EvView *view)
5415 if (view->trans_timeout_id > 0)
5416 g_source_remove (view->trans_timeout_id);
5417 view->trans_timeout_id = 0;
5421 ev_view_presentation_transition_start (EvView *view)
5425 if (!EV_IS_DOCUMENT_TRANSITION (view->document))
5428 ev_view_presentation_transition_stop (view);
5430 duration = ev_document_transition_get_page_duration (EV_DOCUMENT_TRANSITION (view->document),
5431 view->current_page);
5433 view->trans_timeout_id =
5434 g_timeout_add_seconds (duration,
5435 (GSourceFunc) transition_next_page,
5440 /*** Zoom and sizing mode ***/
5443 ev_view_can_zoom_in (EvView *view)
5445 return view->scale * ZOOM_IN_FACTOR <= ev_document_model_get_max_scale (view->model);
5449 ev_view_can_zoom_out (EvView *view)
5451 return view->scale * ZOOM_OUT_FACTOR >= ev_document_model_get_min_scale (view->model);
5455 ev_view_zoom_in (EvView *view)
5459 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5461 if (view->presentation)
5464 view->pending_scroll = SCROLL_TO_CENTER;
5465 scale = ev_document_model_get_scale (view->model) * ZOOM_IN_FACTOR;
5466 ev_document_model_set_scale (view->model, scale);
5470 ev_view_zoom_out (EvView *view)
5474 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
5476 if (view->presentation)
5479 view->pending_scroll = SCROLL_TO_CENTER;
5480 scale = ev_document_model_get_scale (view->model) * ZOOM_OUT_FACTOR;
5481 ev_document_model_set_scale (view->model, scale);
5485 zoom_for_size_fit_width (gdouble doc_width,
5490 return (double)target_width / doc_width;
5494 zoom_for_size_fit_height (gdouble doc_width,
5499 return (double)target_height / doc_height;
5503 zoom_for_size_best_fit (gdouble doc_width,
5511 w_scale = (double)target_width / doc_width;
5512 h_scale = (double)target_height / doc_height;
5514 return MIN (w_scale, h_scale);
5519 ev_view_zoom_for_size_presentation (EvView *view,
5523 gdouble doc_width, doc_height;
5526 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5527 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5528 ev_document_model_set_scale (view->model, scale);
5532 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
5536 gdouble doc_width, doc_height;
5540 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5541 if (view->rotation == 90 || view->rotation == 270) {
5545 doc_width = doc_height;
5549 compute_border (view, doc_width, doc_height, &border);
5552 width -= (2 * (border.left + border.right) + 3 * view->spacing);
5553 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5555 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5558 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5559 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5560 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5561 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5563 g_assert_not_reached ();
5565 ev_document_model_set_scale (view->model, scale);
5569 ev_view_zoom_for_size_continuous (EvView *view,
5573 gdouble doc_width, doc_height;
5577 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5578 if (view->rotation == 90 || view->rotation == 270) {
5582 doc_width = doc_height;
5586 compute_border (view, doc_width, doc_height, &border);
5588 width -= (border.left + border.right + 2 * view->spacing);
5589 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5591 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5594 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5595 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5596 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5597 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5599 g_assert_not_reached ();
5601 ev_document_model_set_scale (view->model, scale);
5605 ev_view_zoom_for_size_dual_page (EvView *view,
5610 gdouble doc_width, doc_height;
5614 other_page = view->current_page ^ 1;
5616 /* Find the largest of the two. */
5617 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5618 if (other_page < ev_document_get_n_pages (view->document)) {
5619 gdouble width_2, height_2;
5621 get_doc_page_size (view, other_page, &width_2, &height_2);
5622 if (width_2 > doc_width)
5623 doc_width = width_2;
5624 if (height_2 > doc_height)
5625 doc_height = height_2;
5627 compute_border (view, width, height, &border);
5629 doc_width = doc_width * 2;
5630 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
5631 height -= (border.top + border.bottom + 2 * view->spacing);
5633 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5636 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5637 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5638 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5639 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5641 g_assert_not_reached ();
5643 ev_document_model_set_scale (view->model, scale);
5647 ev_view_zoom_for_size_single_page (EvView *view,
5651 gdouble doc_width, doc_height;
5655 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5657 /* Get an approximate border */
5658 compute_border (view, width, height, &border);
5660 width -= (border.left + border.right + 2 * view->spacing);
5661 height -= (border.top + border.bottom + 2 * view->spacing);
5663 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5666 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5667 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5668 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5669 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5671 g_assert_not_reached ();
5673 ev_document_model_set_scale (view->model, scale);
5677 ev_view_zoom_for_size (EvView *view,
5681 g_return_if_fail (EV_IS_VIEW (view));
5682 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
5683 view->sizing_mode == EV_SIZING_BEST_FIT);
5684 g_return_if_fail (width >= 0);
5685 g_return_if_fail (height >= 0);
5687 if (view->document == NULL)
5690 if (view->presentation)
5691 ev_view_zoom_for_size_presentation (view, width, height);
5692 else if (view->continuous && view->dual_page)
5693 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height);
5694 else if (view->continuous)
5695 ev_view_zoom_for_size_continuous (view, width, height);
5696 else if (view->dual_page)
5697 ev_view_zoom_for_size_dual_page (view, width, height);
5699 ev_view_zoom_for_size_single_page (view, width, height);
5704 ev_view_find_get_n_results (EvView *view, gint page)
5706 return view->find_pages ? g_list_length (view->find_pages[page]) : 0;
5709 static EvRectangle *
5710 ev_view_find_get_result (EvView *view, gint page, gint result)
5712 return view->find_pages ? (EvRectangle *) g_list_nth_data (view->find_pages[page], result) : NULL;
5716 jump_to_find_result (EvView *view)
5719 gint page = view->current_page;
5721 n_results = ev_view_find_get_n_results (view, page);
5723 if (n_results > 0 && view->find_result < n_results) {
5725 GdkRectangle view_rect;
5727 rect = ev_view_find_get_result (view, page, view->find_result);
5728 doc_rect_to_view_rect (view, page, rect, &view_rect);
5729 ensure_rectangle_is_visible (view, &view_rect);
5730 view->jump_to_find_result = FALSE;
5736 * @view: #EvView instance
5737 * @direction: Direction to look
5738 * @shift: Shift from current page
5740 * Jumps to the first page that has occurences of searched word.
5741 * Uses a direction where to look and a shift from current page.
5745 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
5749 n_pages = ev_document_get_n_pages (view->document);
5751 for (i = 0; i < n_pages; i++) {
5754 if (direction == EV_VIEW_FIND_NEXT)
5755 page = view->current_page + i;
5757 page = view->current_page - i;
5760 if (page >= n_pages) {
5761 page = page - n_pages;
5762 } else if (page < 0)
5763 page = page + n_pages;
5765 if (ev_view_find_get_n_results (view, page) > 0) {
5766 ev_document_model_set_page (view->model, page);
5773 ev_view_find_changed (EvView *view, GList **results, gint page)
5775 view->find_pages = results;
5777 if (view->jump_to_find_result == TRUE) {
5778 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
5779 jump_to_find_result (view);
5782 if (view->current_page == page)
5783 gtk_widget_queue_draw (GTK_WIDGET (view));
5787 ev_view_find_next (EvView *view)
5791 n_results = ev_view_find_get_n_results (view, view->current_page);
5792 view->find_result++;
5794 if (view->find_result >= n_results) {
5795 view->find_result = 0;
5796 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
5797 jump_to_find_result (view);
5799 jump_to_find_result (view);
5800 gtk_widget_queue_draw (GTK_WIDGET (view));
5805 ev_view_find_previous (EvView *view)
5807 view->find_result--;
5809 if (view->find_result < 0) {
5810 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
5811 view->find_result = MAX (0, ev_view_find_get_n_results (view, view->current_page) - 1);
5812 jump_to_find_result (view);
5814 jump_to_find_result (view);
5815 gtk_widget_queue_draw (GTK_WIDGET (view));
5820 ev_view_find_search_changed (EvView *view)
5822 /* search string has changed, focus on new search result */
5823 view->jump_to_find_result = TRUE;
5824 view->find_pages = NULL;
5828 ev_view_find_set_highlight_search (EvView *view, gboolean value)
5830 view->highlight_find_results = value;
5831 gtk_widget_queue_draw (GTK_WIDGET (view));
5835 ev_view_find_cancel (EvView *view)
5837 view->find_pages = NULL;
5840 /*** Selections ***/
5842 /* compute_new_selection_rect/text calculates the area currently selected by
5843 * view_rect. each handles a different mode;
5846 compute_new_selection_rect (EvView *view,
5850 GdkRectangle view_rect;
5854 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
5856 view_rect.x = MIN (start->x, stop->x);
5857 view_rect.y = MIN (start->y, stop->y);
5858 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
5859 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
5861 n_pages = ev_document_get_n_pages (view->document);
5863 for (i = 0; i < n_pages; i++) {
5864 GdkRectangle page_area;
5867 if (get_page_extents (view, i, &page_area, &border)) {
5868 GdkRectangle overlap;
5870 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
5871 EvViewSelection *selection;
5873 selection = g_new0 (EvViewSelection, 1);
5874 selection->page = i;
5875 view_rect_to_doc_rect (view, &overlap, &page_area,
5876 &(selection->rect));
5878 list = g_list_append (list, selection);
5887 gdk_rectangle_point_in (GdkRectangle *rectangle,
5890 return rectangle->x <= point->x &&
5891 rectangle->y <= point->y &&
5892 point->x < rectangle->x + rectangle->width &&
5893 point->y < rectangle->y + rectangle->height;
5897 compute_new_selection_text (EvView *view,
5898 EvSelectionStyle style,
5902 int n_pages, i, first, last;
5904 EvViewSelection *selection;
5905 gdouble width, height;
5906 int start_page, end_page;
5908 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
5910 n_pages = ev_document_get_n_pages (view->document);
5912 /* First figure out the range of pages the selection
5916 if (view->continuous) {
5919 } else if (view->dual_page) {
5920 start_page = view->start_page;
5921 end_page = view->end_page + 1;
5923 start_page = view->current_page;
5924 end_page = view->current_page + 1;
5927 for (i = start_page; i < end_page; i++) {
5928 GdkRectangle page_area;
5931 get_page_extents (view, i, &page_area, &border);
5932 if (gdk_rectangle_point_in (&page_area, start) ||
5933 gdk_rectangle_point_in (&page_area, stop)) {
5934 if (first == n_pages)
5941 /* Now create a list of EvViewSelection's for the affected
5942 * pages. This could be an empty list, a list of just one
5943 * page or a number of pages.*/
5944 for (i = first; i < last + 1; i++) {
5945 GdkRectangle page_area;
5949 get_doc_page_size (view, i, &width, &height);
5951 selection = g_new0 (EvViewSelection, 1);
5952 selection->page = i;
5953 selection->style = style;
5954 selection->rect.x1 = selection->rect.y1 = 0;
5955 selection->rect.x2 = width;
5956 selection->rect.y2 = height;
5958 get_page_extents (view, i, &page_area, &border);
5960 if (gdk_rectangle_point_in (&page_area, start))
5966 view_point_to_doc_point (view, point, &page_area,
5967 &selection->rect.x1,
5968 &selection->rect.y1);
5970 /* If the selection is contained within just one page,
5971 * make sure we don't write 'start' into both points
5972 * in selection->rect. */
5977 view_point_to_doc_point (view, point, &page_area,
5978 &selection->rect.x2,
5979 &selection->rect.y2);
5981 list = g_list_append (list, selection);
5987 /* This function takes the newly calculated list, and figures out which regions
5988 * have changed. It then queues a redraw approporiately.
5991 merge_selection_region (EvView *view,
5995 GList *new_list_ptr, *old_list_ptr;
5997 /* Update the selection */
5998 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
5999 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
6000 g_list_free (view->selection_info.selections);
6001 view->selection_info.selections = new_list;
6002 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
6003 g_object_notify (G_OBJECT (view), "has-selection");
6005 new_list_ptr = new_list;
6006 old_list_ptr = old_list;
6008 while (new_list_ptr || old_list_ptr) {
6009 EvViewSelection *old_sel, *new_sel;
6011 GdkRegion *region = NULL;
6013 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
6014 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
6016 /* Assume that the lists are in order, and we run through them
6017 * comparing them, one page at a time. We come out with the
6018 * first page we see. */
6019 if (new_sel && old_sel) {
6020 if (new_sel->page < old_sel->page) {
6021 new_list_ptr = new_list_ptr->next;
6023 } else if (new_sel->page > old_sel->page) {
6024 old_list_ptr = old_list_ptr->next;
6027 new_list_ptr = new_list_ptr->next;
6028 old_list_ptr = old_list_ptr->next;
6030 } else if (new_sel) {
6031 new_list_ptr = new_list_ptr->next;
6032 } else if (old_sel) {
6033 old_list_ptr = old_list_ptr->next;
6036 g_assert (new_sel || old_sel);
6038 /* is the page we're looking at on the screen?*/
6039 cur_page = new_sel ? new_sel->page : old_sel->page;
6040 if (cur_page < view->start_page || cur_page > view->end_page)
6043 /* seed the cache with a new page. We are going to need the new
6046 GdkRegion *tmp_region = NULL;
6048 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
6054 new_sel->covered_region = gdk_region_copy (tmp_region);
6058 /* Now we figure out what needs redrawing */
6059 if (old_sel && new_sel) {
6060 if (old_sel->covered_region && new_sel->covered_region) {
6061 /* We only want to redraw the areas that have
6062 * changed, so we xor the old and new regions
6063 * and redraw if it's different */
6064 region = gdk_region_copy (old_sel->covered_region);
6065 gdk_region_xor (region, new_sel->covered_region);
6066 if (gdk_region_empty (region)) {
6067 gdk_region_destroy (region);
6070 } else if (old_sel->covered_region) {
6071 region = gdk_region_copy (old_sel->covered_region);
6072 } else if (new_sel->covered_region) {
6073 region = gdk_region_copy (new_sel->covered_region);
6075 } else if (old_sel && !new_sel) {
6076 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
6077 region = gdk_region_copy (old_sel->covered_region);
6079 } else if (!old_sel && new_sel) {
6080 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
6081 region = gdk_region_copy (new_sel->covered_region);
6084 g_assert_not_reached ();
6087 /* Redraw the damaged region! */
6089 GdkRectangle page_area;
6092 /* I don't know why but the region is smaller
6093 * than expected. This hack fixes it, I guess
6094 * 10 pixels more won't hurt
6096 gdk_region_shrink (region, -5, -5);
6098 get_page_extents (view, cur_page, &page_area, &border);
6099 gdk_region_offset (region,
6100 page_area.x + border.left - view->scroll_x,
6101 page_area.y + border.top - view->scroll_y);
6102 gdk_window_invalidate_region (view->layout.bin_window, region, TRUE);
6103 gdk_region_destroy (region);
6107 /* Free the old list, now that we're done with it. */
6108 g_list_foreach (old_list, (GFunc) selection_free, NULL);
6109 g_list_free (old_list);
6113 compute_selections (EvView *view,
6114 EvSelectionStyle style,
6120 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
6121 list = compute_new_selection_rect (view, start, stop);
6123 list = compute_new_selection_text (view, style, start, stop);
6124 merge_selection_region (view, list);
6127 /* Free's the selection. It's up to the caller to queue redraws if needed.
6130 selection_free (EvViewSelection *selection)
6132 if (selection->covered_region)
6133 gdk_region_destroy (selection->covered_region);
6138 clear_selection (EvView *view)
6140 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
6141 g_list_free (view->selection_info.selections);
6142 view->selection_info.selections = NULL;
6143 view->selection_info.in_selection = FALSE;
6144 if (view->pixbuf_cache)
6145 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
6146 g_object_notify (G_OBJECT (view), "has-selection");
6150 ev_view_select_all (EvView *view)
6152 GList *selections = NULL;
6155 /* Disable selection on rotated pages for the 0.4.0 series */
6156 if (view->rotation != 0)
6159 clear_selection (view);
6161 n_pages = ev_document_get_n_pages (view->document);
6162 for (i = 0; i < n_pages; i++) {
6163 gdouble width, height;
6164 EvViewSelection *selection;
6166 get_doc_page_size (view, i, &width, &height);
6168 selection = g_new0 (EvViewSelection, 1);
6169 selection->page = i;
6170 selection->style = EV_SELECTION_STYLE_GLYPH;
6171 selection->rect.x1 = selection->rect.y1 = 0;
6172 selection->rect.x2 = width;
6173 selection->rect.y2 = height;
6175 selections = g_list_append (selections, selection);
6178 merge_selection_region (view, selections);
6179 gtk_widget_queue_draw (GTK_WIDGET (view));
6183 ev_view_get_has_selection (EvView *view)
6185 return view->selection_info.selections != NULL;
6189 get_selected_text (EvView *view)
6193 gchar *normalized_text;
6194 EvRenderContext *rc;
6196 text = g_string_new (NULL);
6197 rc = ev_render_context_new (NULL, view->rotation, view->scale);
6199 ev_document_doc_mutex_lock ();
6201 for (l = view->selection_info.selections; l != NULL; l = l->next) {
6202 EvViewSelection *selection = (EvViewSelection *)l->data;
6206 page = ev_document_get_page (view->document, selection->page);
6207 ev_render_context_set_page (rc, page);
6208 g_object_unref (page);
6210 tmp = ev_selection_get_selected_text (EV_SELECTION (view->document),
6211 rc, selection->style,
6212 &(selection->rect));
6214 g_string_append (text, tmp);
6218 g_object_unref (rc);
6220 ev_document_doc_mutex_unlock ();
6222 normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC);
6223 g_string_free (text, TRUE);
6224 return normalized_text;
6228 ev_view_clipboard_copy (EvView *view,
6231 GtkClipboard *clipboard;
6233 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
6234 GDK_SELECTION_CLIPBOARD);
6235 gtk_clipboard_set_text (clipboard, text, -1);
6239 ev_view_copy (EvView *ev_view)
6243 if (!EV_IS_SELECTION (ev_view->document))
6246 text = get_selected_text (ev_view);
6247 ev_view_clipboard_copy (ev_view, text);
6252 ev_view_primary_get_cb (GtkClipboard *clipboard,
6253 GtkSelectionData *selection_data,
6257 EvView *ev_view = EV_VIEW (data);
6259 if (ev_view->link_selected) {
6260 gtk_selection_data_set_text (selection_data,
6261 ev_link_action_get_uri (ev_view->link_selected),
6263 } else if (EV_IS_SELECTION (ev_view->document) &&
6264 ev_view->selection_info.selections) {
6267 text = get_selected_text (ev_view);
6269 gtk_selection_data_set_text (selection_data, text, -1);
6276 ev_view_primary_clear_cb (GtkClipboard *clipboard,
6279 EvView *view = EV_VIEW (data);
6281 clear_selection (view);
6282 clear_link_selected (view);
6286 ev_view_update_primary_selection (EvView *ev_view)
6288 GtkClipboard *clipboard;
6290 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
6291 GDK_SELECTION_PRIMARY);
6293 if (ev_view->selection_info.selections || ev_view->link_selected) {
6294 GtkTargetList *target_list;
6295 GtkTargetEntry *targets;
6298 target_list = gtk_target_list_new (NULL, 0);
6299 gtk_target_list_add_text_targets (target_list, 0);
6300 targets = gtk_target_table_new_from_list (target_list, &n_targets);
6301 gtk_target_list_unref (target_list);
6303 if (!gtk_clipboard_set_with_owner (clipboard,
6305 ev_view_primary_get_cb,
6306 ev_view_primary_clear_cb,
6307 G_OBJECT (ev_view)))
6308 ev_view_primary_clear_cb (clipboard, ev_view);
6310 gtk_target_table_free (targets, n_targets);
6312 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
6313 gtk_clipboard_clear (clipboard);
6318 clear_link_selected (EvView *view)
6320 if (view->link_selected) {
6321 g_object_unref (view->link_selected);
6322 view->link_selected = NULL;
6327 ev_view_copy_link_address (EvView *view,
6328 EvLinkAction *action)
6330 clear_link_selected (view);
6332 ev_view_clipboard_copy (view, ev_link_action_get_uri (action));
6334 view->link_selected = g_object_ref (action);
6335 ev_view_update_primary_selection (view);
6338 /*** Cursor operations ***/
6341 ev_view_create_invisible_cursor(void)
6344 GdkColor black = { 0, 0, 0, 0 };
6345 static char bits[] = { 0x00 };
6347 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
6349 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
6353 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
6355 GdkCursor *cursor = NULL;
6356 GdkDisplay *display;
6359 if (view->cursor == new_cursor) {
6363 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
6364 display = gtk_widget_get_display (widget);
6365 view->cursor = new_cursor;
6367 switch (new_cursor) {
6368 case EV_VIEW_CURSOR_NORMAL:
6369 gdk_window_set_cursor (view->layout.bin_window, NULL);
6371 case EV_VIEW_CURSOR_IBEAM:
6372 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
6374 case EV_VIEW_CURSOR_LINK:
6375 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
6377 case EV_VIEW_CURSOR_WAIT:
6378 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
6380 case EV_VIEW_CURSOR_HIDDEN:
6381 cursor = ev_view_create_invisible_cursor ();
6383 case EV_VIEW_CURSOR_DRAG:
6384 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
6386 case EV_VIEW_CURSOR_AUTOSCROLL:
6387 cursor = gdk_cursor_new_for_display (display, GDK_DOUBLE_ARROW);
6392 gdk_window_set_cursor (view->layout.bin_window, cursor);
6393 gdk_cursor_unref (cursor);
6399 ev_view_hide_cursor (EvView *view)
6401 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
6405 ev_view_show_cursor (EvView *view)
6407 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
6411 ev_view_reset_presentation_state (EvView *view)
6413 if (!view->presentation ||
6414 view->presentation_state == EV_PRESENTATION_NORMAL)
6417 view->presentation_state = EV_PRESENTATION_NORMAL;
6418 gdk_window_set_background (view->layout.bin_window,
6419 >K_WIDGET (view)->style->black);
6420 gtk_widget_queue_draw (GTK_WIDGET (view));
6424 ev_view_next_page (EvView *view)
6428 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
6430 if (!view->document)
6433 if (view->presentation &&
6434 (view->presentation_state == EV_PRESENTATION_BLACK ||
6435 view->presentation_state == EV_PRESENTATION_WHITE)) {
6436 ev_view_reset_presentation_state (view);
6440 if (view->animation) {
6441 ev_view_transition_animation_cancel (view->animation, view);
6444 ev_view_presentation_transition_stop (view);
6445 ev_view_reset_presentation_state (view);
6447 page = ev_document_model_get_page (view->model);
6448 n_pages = ev_document_get_n_pages (view->document);
6450 if (view->dual_page && !view->presentation)
6455 if (page < n_pages) {
6456 ev_document_model_set_page (view->model, page);
6458 } else if (view->presentation && page == n_pages) {
6459 view->presentation_state = EV_PRESENTATION_END;
6460 gtk_widget_queue_draw (GTK_WIDGET (view));
6462 } else if (view->dual_page && page == n_pages) {
6463 ev_document_model_set_page (view->model, page - 1);
6471 ev_view_previous_page (EvView *view)
6475 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
6477 if (!view->document)
6480 if (view->presentation &&
6481 view->presentation_state == EV_PRESENTATION_END) {
6482 ev_view_reset_presentation_state (view);
6486 if (view->presentation &&
6487 (view->presentation_state == EV_PRESENTATION_BLACK ||
6488 view->presentation_state == EV_PRESENTATION_WHITE)) {
6489 ev_view_reset_presentation_state (view);
6493 if (view->animation) {
6494 ev_view_transition_animation_cancel (view->animation, view);
6497 ev_view_reset_presentation_state (view);
6499 page = ev_document_model_get_page (view->model);
6501 if (view->dual_page && !view->presentation)
6507 ev_document_model_set_page (view->model, page);
6509 } else if (view->dual_page && page == -1) {
6510 ev_document_model_set_page (view->model, 0);