1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
2 /* this file is part of evince, a gnome document viewer
4 * Copyright (C) 2004 Red Hat, Inc
6 * Evince is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Evince is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
27 #include <glib/gi18n-lib.h>
29 #include <gdk/gdkkeysyms.h>
31 #include "ev-mapping.h"
32 #include "ev-document-forms.h"
33 #include "ev-document-images.h"
34 #include "ev-document-links.h"
35 #include "ev-document-misc.h"
36 #include "ev-pixbuf-cache.h"
37 #include "ev-page-cache.h"
38 #include "ev-view-marshal.h"
39 #include "ev-document-annotations.h"
40 #include "ev-annotation-window.h"
41 #include "ev-loading-window.h"
43 #include "ev-view-accessible.h"
44 #include "ev-view-private.h"
45 #include "ev-view-type-builtins.h"
47 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
48 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
49 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
52 SIGNAL_BINDING_ACTIVATED,
56 SIGNAL_SELECTION_CHANGED,
66 static guint signals[N_SIGNALS];
71 } EvViewFindDirection;
73 #define ZOOM_IN_FACTOR 1.2
74 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
76 #define SCROLL_TIME 150
79 static void ev_view_set_scroll_adjustments (GtkLayout *layout,
80 GtkAdjustment *hadjustment,
81 GtkAdjustment *vadjustment);
82 static void view_update_range_and_current_page (EvView *view);
83 static void set_scroll_adjustment (EvView *view,
84 GtkOrientation orientation,
85 GtkAdjustment *adjustment);
86 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
88 GdkModifierType modifiers,
91 static void ensure_rectangle_is_visible (EvView *view,
94 /*** Geometry computations ***/
95 static void compute_border (EvView *view,
99 static void get_page_y_offset (EvView *view,
102 static void view_rect_to_doc_rect (EvView *view,
103 GdkRectangle *view_rect,
104 GdkRectangle *page_area,
105 EvRectangle *doc_rect);
106 static void doc_rect_to_view_rect (EvView *view,
108 EvRectangle *doc_rect,
109 GdkRectangle *view_rect);
110 static gboolean get_dual_even_left (EvView *view);
111 static void find_page_at_location (EvView *view,
117 static void doc_point_to_view_point (EvView *view,
120 GdkPoint *view_point);
122 static EvLink * ev_view_get_link_at_location (EvView *view,
125 static char* tip_from_link (EvView *view,
128 static EvFormField *ev_view_get_form_field_at_location (EvView *view,
132 /*** Annotations ***/
133 static EvAnnotation *ev_view_get_annotation_at_location (EvView *view,
136 static void show_annotation_windows (EvView *view,
138 static void hide_annotation_windows (EvView *view,
140 /*** GtkWidget implementation ***/
141 static void ev_view_size_request_continuous_dual_page (EvView *view,
142 GtkRequisition *requisition);
143 static void ev_view_size_request_continuous (EvView *view,
144 GtkRequisition *requisition);
145 static void ev_view_size_request_dual_page (EvView *view,
146 GtkRequisition *requisition);
147 static void ev_view_size_request_single_page (EvView *view,
148 GtkRequisition *requisition);
149 static void ev_view_size_request (GtkWidget *widget,
150 GtkRequisition *requisition);
151 static void ev_view_size_allocate (GtkWidget *widget,
152 GtkAllocation *allocation);
153 static void ev_view_realize (GtkWidget *widget);
154 static gboolean ev_view_scroll_event (GtkWidget *widget,
155 GdkEventScroll *event);
156 static gboolean ev_view_expose_event (GtkWidget *widget,
157 GdkEventExpose *event);
158 static gboolean ev_view_popup_menu (GtkWidget *widget);
159 static gboolean ev_view_button_press_event (GtkWidget *widget,
160 GdkEventButton *event);
161 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
162 GdkEventMotion *event);
163 static gboolean ev_view_button_release_event (GtkWidget *widget,
164 GdkEventButton *event);
165 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
166 GdkEventCrossing *event);
167 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
168 GdkEventCrossing *event);
169 static void ev_view_style_set (GtkWidget *widget,
170 GtkStyle *old_style);
171 static void ev_view_remove_all (EvView *view);
173 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
176 static void highlight_find_results (EvView *view,
178 static void draw_one_page (EvView *view,
181 GdkRectangle *page_area,
183 GdkRectangle *expose_area,
184 gboolean *page_ready);
185 static void show_loading_window (EvView *view);
186 static void hide_loading_window (EvView *view);
187 static void ev_view_reload_page (EvView *view,
190 static void ev_view_loading_window_move (EvView *view);
193 static void ev_view_change_page (EvView *view,
195 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
198 static void ev_view_page_changed_cb (EvDocumentModel *model,
202 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
206 static void ev_view_finalize (GObject *object);
207 static void ev_view_destroy (GtkObject *object);
208 static void ev_view_class_init (EvViewClass *class);
209 static void ev_view_init (EvView *view);
211 /*** Zoom and sizing ***/
212 static double zoom_for_size_fit_width (gdouble doc_width,
216 static double zoom_for_size_fit_height (gdouble doc_width,
220 static double zoom_for_size_best_fit (gdouble doc_width,
224 static void ev_view_zoom_for_size (EvView *view,
227 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
230 static void ev_view_zoom_for_size_continuous (EvView *view,
233 static void ev_view_zoom_for_size_dual_page (EvView *view,
236 static void ev_view_zoom_for_size_single_page (EvView *view,
240 static void ev_view_set_cursor (EvView *view,
241 EvViewCursor new_cursor);
242 static void ev_view_handle_cursor_over_xy (EvView *view,
247 static gint ev_view_find_get_n_results (EvView *view,
249 static EvRectangle *ev_view_find_get_result (EvView *view,
252 static void jump_to_find_result (EvView *view);
253 static void jump_to_find_page (EvView *view,
254 EvViewFindDirection direction,
258 static void compute_selections (EvView *view,
259 EvSelectionStyle style,
262 static void clear_selection (EvView *view);
263 static void clear_link_selected (EvView *view);
264 static void selection_free (EvViewSelection *selection);
265 static char* get_selected_text (EvView *ev_view);
266 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
267 GtkSelectionData *selection_data,
270 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
272 static void ev_view_update_primary_selection (EvView *ev_view);
274 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_LAYOUT)
276 /* HeightToPage cache */
277 #define EV_HEIGHT_TO_PAGE_CACHE_KEY "ev-height-to-page-cache"
280 build_height_to_page (EvHeightToPageCache *cache,
281 EvDocument *document,
284 gboolean swap, uniform, dual_even_left;
286 double uniform_height, page_height, next_page_height;
288 gdouble u_width, u_height;
291 swap = (rotation == 90 || rotation == 270);
293 uniform = ev_document_is_page_size_uniform (document);
294 n_pages = ev_document_get_n_pages (document);
295 dual_even_left = (n_pages > 2);
297 g_free (cache->height_to_page);
298 g_free (cache->dual_height_to_page);
300 cache->rotation = rotation;
301 cache->height_to_page = g_new0 (gdouble, n_pages + 1);
302 cache->dual_height_to_page = g_new0 (gdouble, n_pages + 2);
305 ev_document_get_page_size (document, 0, &u_width, &u_height);
308 for (i = 0; i <= n_pages; i++) {
310 uniform_height = swap ? u_width : u_height;
311 cache->height_to_page[i] = i * uniform_height;
316 ev_document_get_page_size (document, i, &w, &h);
317 page_height = swap ? w : h;
321 cache->height_to_page[i] = saved_height;
322 saved_height += page_height;
326 if (dual_even_left && !uniform) {
329 ev_document_get_page_size (document, 0, &w, &h);
330 saved_height = swap ? w : h;
335 for (i = dual_even_left; i < n_pages + 2; i += 2) {
337 uniform_height = swap ? u_width : u_height;
338 cache->dual_height_to_page[i] = ((i + dual_even_left) / 2) * uniform_height;
339 if (i + 1 < n_pages + 2)
340 cache->dual_height_to_page[i + 1] = ((i + dual_even_left) / 2) * uniform_height;
342 if (i + 1 < n_pages) {
345 ev_document_get_page_size (document, i + 1, &w, &h);
346 next_page_height = swap ? w : h;
348 next_page_height = 0;
354 ev_document_get_page_size (document, i, &w, &h);
355 page_height = swap ? w : h;
360 if (i + 1 < n_pages + 2) {
361 cache->dual_height_to_page[i] = saved_height;
362 cache->dual_height_to_page[i + 1] = saved_height;
363 saved_height += MAX(page_height, next_page_height);
365 cache->dual_height_to_page[i] = saved_height;
372 ev_height_to_page_cache_get_height (EvHeightToPageCache *cache,
373 EvDocument *document,
377 gdouble *dual_height)
379 if (cache->rotation != rotation)
380 build_height_to_page (cache, document, rotation);
382 *height = cache->height_to_page[page];
383 *dual_height = cache->dual_height_to_page[page];
387 ev_height_to_page_cache_free (EvHeightToPageCache *cache)
389 if (cache->height_to_page) {
390 g_free (cache->height_to_page);
391 cache->height_to_page = NULL;
394 if (cache->dual_height_to_page) {
395 g_free (cache->dual_height_to_page);
396 cache->dual_height_to_page = NULL;
401 static EvHeightToPageCache *
402 ev_view_get_height_to_page_cache (EvView *view)
404 EvHeightToPageCache *cache;
409 cache = g_object_get_data (G_OBJECT (view->document), EV_HEIGHT_TO_PAGE_CACHE_KEY);
411 cache = g_new0 (EvHeightToPageCache, 1);
412 build_height_to_page (cache, view->document, view->rotation);
413 g_object_set_data_full (G_OBJECT (view->document),
414 EV_HEIGHT_TO_PAGE_CACHE_KEY,
416 (GDestroyNotify)ev_height_to_page_cache_free);
423 ev_view_get_height_to_page (EvView *view,
430 if (!view->height_to_page_cache)
433 ev_height_to_page_cache_get_height (view->height_to_page_cache,
439 *height = (gint)(h * view->scale + 0.5);
442 *dual_height = (gint)(dh * view->scale + 0.5);
446 ev_view_get_scrollbar_size (EvView *view,
447 GtkOrientation orientation)
449 GtkWidget *widget = GTK_WIDGET (view);
451 GtkWidget *swindow = gtk_widget_get_parent (GTK_WIDGET (view));
452 GtkAllocation allocation;
456 if (!GTK_IS_SCROLLED_WINDOW (swindow))
459 gtk_widget_get_allocation (widget, &allocation);
461 if (orientation == GTK_ORIENTATION_VERTICAL) {
462 if (allocation.height >= view->requisition.height)
463 sb = gtk_scrolled_window_get_vscrollbar (GTK_SCROLLED_WINDOW (swindow));
467 if (allocation.width >= view->requisition.width)
468 sb = gtk_scrolled_window_get_hscrollbar (GTK_SCROLLED_WINDOW (swindow));
473 gtk_widget_style_get (swindow, "scrollbar_spacing", &spacing, NULL);
474 gtk_widget_size_request (sb, &req);
476 return (orientation == GTK_ORIENTATION_VERTICAL ? req.width : req.height) + spacing;
480 scroll_to_point (EvView *view,
483 GtkOrientation orientation)
486 gdouble upper, lower;
488 if (orientation == GTK_ORIENTATION_VERTICAL) {
489 page_size = gtk_adjustment_get_page_size (view->vadjustment);
490 upper = gtk_adjustment_get_upper (view->vadjustment);
491 lower = gtk_adjustment_get_lower (view->vadjustment);
493 if (view->continuous) {
494 gtk_adjustment_clamp_page (view->vadjustment,
495 y - view->spacing / 2,
498 gtk_adjustment_set_value (view->vadjustment,
499 CLAMP (y, lower, upper - page_size));
502 page_size = gtk_adjustment_get_page_size (view->hadjustment);
503 upper = gtk_adjustment_get_upper (view->hadjustment);
504 lower = gtk_adjustment_get_lower (view->hadjustment);
506 if (view->dual_page) {
507 gtk_adjustment_clamp_page (view->hadjustment, x,
510 gtk_adjustment_set_value (view->hadjustment,
511 CLAMP (x, lower, upper - page_size));
517 ev_view_scroll_to_page_position (EvView *view, GtkOrientation orientation)
524 if ((orientation == GTK_ORIENTATION_VERTICAL && view->pending_point.y == 0) ||
525 (orientation == GTK_ORIENTATION_HORIZONTAL && view->pending_point.x == 0)) {
526 GdkRectangle page_area;
529 ev_view_get_page_extents (view, view->current_page, &page_area, &border);
535 doc_point_to_view_point (view, view->current_page,
536 &view->pending_point, &view_point);
541 scroll_to_point (view, x, y, orientation);
545 view_set_adjustment_values (EvView *view,
546 GtkOrientation orientation)
548 GtkWidget *widget = GTK_WIDGET (view);
549 GtkAdjustment *adjustment;
550 GtkAllocation allocation;
559 gtk_widget_get_allocation (widget, &allocation);
561 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
562 req_size = view->requisition.width;
563 alloc_size = allocation.width;
564 adjustment = view->hadjustment;
566 req_size = view->requisition.height;
567 alloc_size = allocation.height;
568 adjustment = view->vadjustment;
575 value = gtk_adjustment_get_value (adjustment);
576 upper = gtk_adjustment_get_upper (adjustment);
577 page_size = gtk_adjustment_get_page_size (adjustment);
579 switch (view->pending_scroll) {
580 case SCROLL_TO_KEEP_POSITION:
581 case SCROLL_TO_FIND_LOCATION:
582 factor = value / upper;
584 case SCROLL_TO_PAGE_POSITION:
586 case SCROLL_TO_CENTER:
587 factor = (value + page_size * 0.5) / upper;
591 upper = MAX (alloc_size, req_size);
592 page_size = alloc_size;
594 gtk_adjustment_set_page_size (adjustment, page_size);
595 gtk_adjustment_set_step_increment (adjustment, alloc_size * 0.1);
596 gtk_adjustment_set_page_increment (adjustment, alloc_size * 0.9);
597 gtk_adjustment_set_lower (adjustment, 0);
598 gtk_adjustment_set_upper (adjustment, upper);
601 * We add 0.5 to the values before to average out our rounding errors.
603 switch (view->pending_scroll) {
604 case SCROLL_TO_KEEP_POSITION:
605 case SCROLL_TO_FIND_LOCATION:
606 new_value = CLAMP (upper * factor + 0.5, 0, upper - page_size);
607 gtk_adjustment_set_value (adjustment, (int)new_value);
609 case SCROLL_TO_PAGE_POSITION:
610 ev_view_scroll_to_page_position (view, orientation);
612 case SCROLL_TO_CENTER:
613 new_value = CLAMP (upper * factor - page_size * 0.5 + 0.5,
614 0, upper - page_size);
615 gtk_adjustment_set_value (adjustment, (int)new_value);
619 gtk_adjustment_changed (adjustment);
623 view_update_range_and_current_page (EvView *view)
625 gint start = view->start_page;
626 gint end = view->end_page;
628 if (ev_document_get_n_pages (view->document) <= 0 ||
629 !ev_document_check_dimensions (view->document))
632 if (view->continuous) {
633 GdkRectangle current_area, unused, page_area;
635 gboolean found = FALSE;
636 gint area_max = -1, area;
637 gint best_current_page = -1;
640 if (!(view->vadjustment && view->hadjustment))
643 current_area.x = gtk_adjustment_get_value (view->hadjustment);
644 current_area.width = gtk_adjustment_get_page_size (view->hadjustment);
645 current_area.y = gtk_adjustment_get_value (view->vadjustment);
646 current_area.height = gtk_adjustment_get_page_size (view->vadjustment);
648 for (i = 0; i < ev_document_get_n_pages (view->document); i++) {
650 ev_view_get_page_extents (view, i, &page_area, &border);
652 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
653 area = unused.width * unused.height;
657 view->start_page = i;
659 best_current_page = i;
661 if (area > area_max) {
662 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
668 } else if (found && view->current_page <= view->end_page) {
669 if (view->dual_page && j < 1) {
670 /* In dual mode we stop searching
671 * after two consecutive non-visible pages.
680 if (view->pending_scroll == SCROLL_TO_KEEP_POSITION) {
681 best_current_page = MAX (best_current_page, view->start_page);
683 if (view->current_page != best_current_page) {
684 view->current_page = best_current_page;
685 hide_loading_window (view);
686 ev_document_model_set_page (view->model, best_current_page);
689 } else if (view->dual_page) {
690 if (view->current_page % 2 == get_dual_even_left (view)) {
691 view->start_page = view->current_page;
692 if (view->current_page + 1 < ev_document_get_n_pages (view->document))
693 view->end_page = view->start_page + 1;
695 view->end_page = view->start_page;
697 if (view->current_page < 1)
698 view->start_page = view->current_page;
700 view->start_page = view->current_page - 1;
701 view->end_page = view->current_page;
704 view->start_page = view->current_page;
705 view->end_page = view->current_page;
708 if (view->start_page == -1 || view->end_page == -1)
711 if (start != view->start_page || end != view->end_page) {
714 for (i = start; i < view->start_page && start != -1; i++) {
715 hide_annotation_windows (view, i);
718 for (i = end; i > view->end_page && end != -1; i--) {
719 hide_annotation_windows (view, i);
723 ev_page_cache_set_page_range (view->page_cache,
726 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
729 view->selection_info.selections);
731 if (ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page))
732 gtk_widget_queue_draw (GTK_WIDGET (view));
736 set_scroll_adjustment (EvView *view,
737 GtkOrientation orientation,
738 GtkAdjustment *adjustment)
740 GtkAdjustment **to_set;
742 if (orientation == GTK_ORIENTATION_HORIZONTAL)
743 to_set = &view->hadjustment;
745 to_set = &view->vadjustment;
747 if (*to_set != adjustment) {
749 g_signal_handlers_disconnect_by_func (*to_set,
750 (gpointer) on_adjustment_value_changed,
752 g_object_unref (*to_set);
755 *to_set = adjustment;
756 view_set_adjustment_values (view, orientation);
759 g_object_ref (*to_set);
760 g_signal_connect (*to_set, "value_changed",
761 G_CALLBACK (on_adjustment_value_changed), view);
767 ev_view_set_scroll_adjustments (GtkLayout *layout,
768 GtkAdjustment *hadjustment,
769 GtkAdjustment *vadjustment)
771 EvView *view = EV_VIEW (layout);
773 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
774 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
776 on_adjustment_value_changed (NULL, view);
780 add_scroll_binding_keypad (GtkBindingSet *binding_set,
782 GdkModifierType modifiers,
783 GtkScrollType scroll,
786 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
788 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
789 "binding_activated", 2,
790 GTK_TYPE_SCROLL_TYPE, scroll,
791 G_TYPE_BOOLEAN, horizontal);
792 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
793 "binding_activated", 2,
794 GTK_TYPE_SCROLL_TYPE, scroll,
795 G_TYPE_BOOLEAN, horizontal);
799 compute_scroll_increment (EvView *view,
800 GtkScrollType scroll)
802 GtkWidget *widget = GTK_WIDGET (view);
803 GtkAdjustment *adjustment = view->vadjustment;
804 GdkRegion *text_region, *region;
805 GtkAllocation allocation;
808 EvRectangle doc_rect;
809 GdkRectangle page_area;
813 gdouble fraction = 1.0;
815 if (scroll != GTK_SCROLL_PAGE_BACKWARD && scroll != GTK_SCROLL_PAGE_FORWARD)
816 return gtk_adjustment_get_page_size (adjustment);
818 page = scroll == GTK_SCROLL_PAGE_BACKWARD ? view->start_page : view->end_page;
820 text_region = ev_page_cache_get_text_mapping (view->page_cache, page);
821 if (!text_region || gdk_region_empty (text_region))
822 return gtk_adjustment_get_page_size (adjustment);
824 gtk_widget_get_allocation (widget, &allocation);
825 ev_view_get_page_extents (view, page, &page_area, &border);
826 rect.x = page_area.x + view->scroll_x;
827 rect.y = view->scroll_y + (scroll == GTK_SCROLL_PAGE_BACKWARD ? 5 : allocation.height - 5);
828 rect.width = page_area.width;
830 view_rect_to_doc_rect (view, &rect, &page_area, &doc_rect);
832 /* Convert the doc rectangle into a GdkRectangle */
833 rect.x = doc_rect.x1;
834 rect.y = doc_rect.y1;
835 rect.width = doc_rect.x2 - doc_rect.x1;
836 rect.height = MAX (1, doc_rect.y2 - doc_rect.y1);
837 region = gdk_region_rectangle (&rect);
839 gdk_region_intersect (region, text_region);
840 gdk_region_get_rectangles (region, &recs, &n_recs);
841 gdk_region_destroy (region);
846 ev_page = ev_document_get_page (view->document, page);
847 rc = ev_render_context_new (ev_page, view->rotation, view->scale);
848 g_object_unref (ev_page);
849 /* Get the selection region to know the height of the line */
850 doc_rect.x1 = doc_rect.x2 = recs[0].x + 0.5;
851 doc_rect.y1 = doc_rect.y2 = recs[0].y + 0.5;
853 ev_document_doc_mutex_lock ();
854 region = ev_selection_get_selection_region (EV_SELECTION (view->document),
855 rc, EV_SELECTION_STYLE_LINE,
857 ev_document_doc_mutex_unlock ();
861 gdk_region_get_rectangles (region, &recs, &n_recs);
862 gdk_region_destroy (region);
864 fraction = 1 - (recs[0].height / gtk_adjustment_get_page_size (adjustment));
869 return gtk_adjustment_get_page_size (adjustment) * fraction;
874 ev_view_scroll (EvView *view,
875 GtkScrollType scroll,
878 GtkAdjustment *adjustment;
879 double value, increment;
880 gdouble upper, lower;
882 gdouble step_increment;
883 gboolean first_page = FALSE;
884 gboolean last_page = FALSE;
886 view->jump_to_find_result = FALSE;
888 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
890 case GTK_SCROLL_PAGE_BACKWARD:
891 case GTK_SCROLL_STEP_BACKWARD:
892 ev_view_previous_page (view);
894 case GTK_SCROLL_PAGE_FORWARD:
895 case GTK_SCROLL_STEP_FORWARD:
896 ev_view_next_page (view);
904 /* Assign values for increment and vertical adjustment */
905 adjustment = horizontal ? view->hadjustment : view->vadjustment;
906 value = gtk_adjustment_get_value (adjustment);
907 upper = gtk_adjustment_get_upper (adjustment);
908 lower = gtk_adjustment_get_lower (adjustment);
909 page_size = gtk_adjustment_get_page_size (adjustment);
910 step_increment = gtk_adjustment_get_step_increment (adjustment);
912 /* Assign boolean for first and last page */
913 if (view->current_page == 0)
915 if (view->current_page == ev_document_get_n_pages (view->document) - 1)
919 case GTK_SCROLL_PAGE_BACKWARD:
920 /* Do not jump backwards if at the first page */
921 if (value == lower && first_page) {
923 /* At the top of a page, assign the upper bound limit of previous page */
924 } else if (value == lower) {
925 value = upper - page_size;
926 ev_view_previous_page (view);
927 /* Jump to the top */
929 increment = compute_scroll_increment (view, GTK_SCROLL_PAGE_BACKWARD);
930 value = MAX (value - increment, lower);
933 case GTK_SCROLL_PAGE_FORWARD:
934 /* Do not jump forward if at the last page */
935 if (value == (upper - page_size) && last_page) {
937 /* At the bottom of a page, assign the lower bound limit of next page */
938 } else if (value == (upper - page_size)) {
940 ev_view_next_page (view);
941 /* Jump to the bottom */
943 increment = compute_scroll_increment (view, GTK_SCROLL_PAGE_FORWARD);
944 value = MIN (value + increment, upper - page_size);
947 case GTK_SCROLL_STEP_BACKWARD:
948 value -= step_increment;
950 case GTK_SCROLL_STEP_FORWARD:
951 value += step_increment;
953 case GTK_SCROLL_STEP_DOWN:
954 value -= step_increment / 10;
956 case GTK_SCROLL_STEP_UP:
957 value += step_increment / 10;
963 value = CLAMP (value, lower, upper - page_size);
965 gtk_adjustment_set_value (adjustment, value);
971 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
973 GtkWidget *widget = GTK_WIDGET (view);
974 GtkAdjustment *adjustment;
975 GtkAllocation allocation;
979 view->pending_scroll = SCROLL_TO_FIND_LOCATION;
981 gtk_widget_get_allocation (widget, &allocation);
983 adjustment = view->vadjustment;
984 adj_value = gtk_adjustment_get_value (adjustment);
986 if (rect->y < adj_value) {
987 value = MAX (gtk_adjustment_get_lower (adjustment), rect->y - MARGIN);
988 gtk_adjustment_set_value (view->vadjustment, value);
989 } else if (rect->y + rect->height > adj_value + allocation.height) {
990 value = MIN (gtk_adjustment_get_upper (adjustment), rect->y + rect->height -
991 allocation.height + MARGIN);
992 gtk_adjustment_set_value (view->vadjustment, value);
995 adjustment = view->hadjustment;
996 adj_value = gtk_adjustment_get_value (adjustment);
998 if (rect->x < adj_value) {
999 value = MAX (gtk_adjustment_get_lower (adjustment), rect->x - MARGIN);
1000 gtk_adjustment_set_value (view->hadjustment, value);
1001 } else if (rect->x + rect->height > adj_value + allocation.width) {
1002 value = MIN (gtk_adjustment_get_upper (adjustment), rect->x + rect->width -
1003 allocation.width + MARGIN);
1004 gtk_adjustment_set_value (view->hadjustment, value);
1007 gtk_widget_queue_resize (GTK_WIDGET (view));
1010 /*** Geometry computations ***/
1013 compute_border (EvView *view, int width, int height, GtkBorder *border)
1015 ev_document_misc_get_page_border_size (width, height, border);
1019 _get_page_size_for_scale_and_rotation (EvDocument *document,
1029 ev_document_get_page_size (document, page, &w, &h);
1031 width = (gint)(w * scale + 0.5);
1032 height = (gint)(h * scale + 0.5);
1035 *page_width = (rotation == 0 || rotation == 180) ? width : height;
1037 *page_height = (rotation == 0 || rotation == 180) ? height : width;
1041 ev_view_get_page_size (EvView *view,
1046 _get_page_size_for_scale_and_rotation (view->document,
1055 ev_view_get_max_page_size (EvView *view,
1062 ev_document_get_max_page_size (view->document, &w, &h);
1064 width = (gint)(w * view->scale + 0.5);
1065 height = (gint)(h * view->scale + 0.5);
1068 *max_width = (view->rotation == 0 || view->rotation == 180) ? width : height;
1070 *max_height = (view->rotation == 0 || view->rotation == 180) ? height : width;
1074 get_page_y_offset (EvView *view, int page, int *y_offset)
1076 int max_width, offset;
1079 g_return_if_fail (y_offset != NULL);
1081 ev_view_get_max_page_size (view, &max_width, NULL);
1082 compute_border (view, max_width, max_width, &border);
1084 if (view->dual_page) {
1085 ev_view_get_height_to_page (view, page, NULL, &offset);
1086 offset += ((page + get_dual_even_left (view)) / 2 + 1) * view->spacing +
1087 ((page + get_dual_even_left (view)) / 2 ) * (border.top + border.bottom);
1089 ev_view_get_height_to_page (view, page, &offset, NULL);
1090 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
1098 ev_view_get_page_extents (EvView *view,
1100 GdkRectangle *page_area,
1105 GtkAllocation allocation;
1107 widget = GTK_WIDGET (view);
1108 gtk_widget_get_allocation (widget, &allocation);
1110 /* Get the size of the page */
1111 ev_view_get_page_size (view, page, &width, &height);
1112 compute_border (view, width, height, border);
1113 page_area->width = width + border->left + border->right;
1114 page_area->height = height + border->top + border->bottom;
1116 if (view->continuous) {
1120 ev_view_get_max_page_size (view, &max_width, NULL);
1121 max_width = max_width + border->left + border->right;
1122 /* Get the location of the bounding box */
1123 if (view->dual_page) {
1124 x = view->spacing + ((page % 2 == get_dual_even_left (view)) ? 0 : 1) * (max_width + view->spacing);
1125 x = x + MAX (0, allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
1126 if (page % 2 == get_dual_even_left (view))
1127 x = x + (max_width - width - border->left - border->right);
1130 x = x + MAX (0, allocation.width - (width + view->spacing * 2)) / 2;
1133 get_page_y_offset (view, page, &y);
1139 if (view->dual_page) {
1140 gint width_2, height_2;
1141 gint max_width = width;
1142 gint max_height = height;
1143 GtkBorder overall_border;
1146 other_page = (page % 2 == get_dual_even_left (view)) ? page + 1: page - 1;
1148 /* First, we get the bounding box of the two pages */
1149 if (other_page < ev_document_get_n_pages (view->document)
1150 && (0 <= other_page)) {
1151 ev_view_get_page_size (view, other_page,
1152 &width_2, &height_2);
1153 if (width_2 > width)
1154 max_width = width_2;
1155 if (height_2 > height)
1156 max_height = height_2;
1158 compute_border (view, max_width, max_height, &overall_border);
1160 /* Find the offsets */
1164 /* Adjust for being the left or right page */
1165 if (page % 2 == get_dual_even_left (view))
1166 x = x + max_width - width;
1168 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
1170 y = y + (max_height - height)/2;
1172 /* Adjust for extra allocation */
1173 x = x + MAX (0, allocation.width -
1174 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
1175 y = y + MAX (0, allocation.height - (height + view->spacing * 2))/2;
1180 /* Adjust for extra allocation */
1181 x = x + MAX (0, allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
1182 y = y + MAX (0, allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
1193 get_doc_page_size (EvView *view,
1200 ev_document_get_page_size (view->document, page, &w, &h);
1201 if (view->rotation == 0 || view->rotation == 180) {
1202 if (width) *width = w;
1203 if (height) *height = h;
1205 if (width) *width = h;
1206 if (height) *height = w;
1211 view_point_to_doc_point (EvView *view,
1212 GdkPoint *view_point,
1213 GdkRectangle *page_area,
1214 double *doc_point_x,
1215 double *doc_point_y)
1217 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
1218 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
1222 view_rect_to_doc_rect (EvView *view,
1223 GdkRectangle *view_rect,
1224 GdkRectangle *page_area,
1225 EvRectangle *doc_rect)
1227 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
1228 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
1229 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
1230 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
1234 doc_point_to_view_point (EvView *view,
1237 GdkPoint *view_point)
1239 GdkRectangle page_area;
1241 double x, y, view_x, view_y;
1242 gdouble width, height;
1244 get_doc_page_size (view, page, &width, &height);
1246 if (view->rotation == 0) {
1249 } else if (view->rotation == 90) {
1250 x = width - doc_point->y;
1252 } else if (view->rotation == 180) {
1253 x = width - doc_point->x;
1254 y = height - doc_point->y;
1255 } else if (view->rotation == 270) {
1257 y = height - doc_point->x;
1259 g_assert_not_reached ();
1262 ev_view_get_page_extents (view, page, &page_area, &border);
1264 view_x = CLAMP (x * view->scale, 0, page_area.width);
1265 view_y = CLAMP (y * view->scale, 0, page_area.height);
1266 view_point->x = view_x + page_area.x;
1267 view_point->y = view_y + page_area.y;
1271 doc_rect_to_view_rect (EvView *view,
1273 EvRectangle *doc_rect,
1274 GdkRectangle *view_rect)
1276 GdkRectangle page_area;
1279 gdouble width, height;
1281 get_doc_page_size (view, page, &width, &height);
1283 if (view->rotation == 0) {
1286 w = doc_rect->x2 - doc_rect->x1;
1287 h = doc_rect->y2 - doc_rect->y1;
1288 } else if (view->rotation == 90) {
1289 x = width - doc_rect->y2;
1291 w = doc_rect->y2 - doc_rect->y1;
1292 h = doc_rect->x2 - doc_rect->x1;
1293 } else if (view->rotation == 180) {
1294 x = width - doc_rect->x2;
1295 y = height - doc_rect->y2;
1296 w = doc_rect->x2 - doc_rect->x1;
1297 h = doc_rect->y2 - doc_rect->y1;
1298 } else if (view->rotation == 270) {
1300 y = height - doc_rect->x2;
1301 w = doc_rect->y2 - doc_rect->y1;
1302 h = doc_rect->x2 - doc_rect->x1;
1304 g_assert_not_reached ();
1307 ev_view_get_page_extents (view, page, &page_area, &border);
1309 view_rect->x = x * view->scale + page_area.x;
1310 view_rect->y = y * view->scale + page_area.y;
1311 view_rect->width = w * view->scale;
1312 view_rect->height = h * view->scale;
1316 get_dual_even_left (EvView *view)
1318 return (ev_document_get_n_pages (view->document) > 2);
1322 find_page_at_location (EvView *view,
1331 if (view->document == NULL)
1335 g_assert (x_offset);
1336 g_assert (y_offset);
1338 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
1339 GdkRectangle page_area;
1342 if (! ev_view_get_page_extents (view, i, &page_area, &border))
1345 if ((x >= page_area.x + border.left) &&
1346 (x < page_area.x + page_area.width - border.right) &&
1347 (y >= page_area.y + border.top) &&
1348 (y < page_area.y + page_area.height - border.bottom)) {
1350 *x_offset = x - (page_area.x + border.left);
1351 *y_offset = y - (page_area.y + border.top);
1360 location_in_text (EvView *view,
1366 gint x_offset = 0, y_offset = 0;
1368 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1373 region = ev_page_cache_get_text_mapping (view->page_cache, page);
1376 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1382 location_in_selected_text (EvView *view,
1387 gint x_offset = 0, y_offset = 0;
1388 EvViewSelection *selection;
1391 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1392 selection = (EvViewSelection *)l->data;
1394 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1396 if (page != selection->page)
1399 if (selection->covered_region &&
1400 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1408 get_doc_point_from_offset (EvView *view,
1415 gdouble width, height;
1418 get_doc_page_size (view, page, &width, &height);
1420 x_offset = x_offset / view->scale;
1421 y_offset = y_offset / view->scale;
1423 if (view->rotation == 0) {
1426 } else if (view->rotation == 90) {
1428 y = width - x_offset;
1429 } else if (view->rotation == 180) {
1430 x = width - x_offset;
1431 y = height - y_offset;
1432 } else if (view->rotation == 270) {
1433 x = height - y_offset;
1436 g_assert_not_reached ();
1446 get_doc_point_from_location (EvView *view,
1453 gint x_offset = 0, y_offset = 0;
1455 x += view->scroll_x;
1456 y += view->scroll_y;
1457 find_page_at_location (view, x, y, page, &x_offset, &y_offset);
1461 return get_doc_point_from_offset (view, *page, x_offset, y_offset, x_new, y_new);
1465 ev_view_get_area_from_mapping (EvView *view,
1467 GList *mapping_list,
1473 mapping = ev_mapping_list_find (mapping_list, data);
1474 doc_rect_to_view_rect (view, page, &mapping->area, area);
1475 area->x -= view->scroll_x;
1476 area->y -= view->scroll_y;
1482 ev_view_get_link_at_location (EvView *view,
1487 gint x_new = 0, y_new = 0;
1488 GList *link_mapping;
1490 if (!EV_IS_DOCUMENT_LINKS (view->document))
1493 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1496 link_mapping = ev_page_cache_get_link_mapping (view->page_cache, page);
1499 return ev_mapping_list_get_data (link_mapping, x_new, y_new);
1505 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1508 gdouble zoom, left, top;
1509 gboolean change_left, change_top;
1510 GtkAllocation allocation;
1512 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1514 left = ev_link_dest_get_left (dest, &change_left);
1515 top = ev_link_dest_get_top (dest, &change_top);
1517 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - left,
1518 ev_link_dest_get_bottom (dest) - top,
1522 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1523 ev_document_model_set_scale (view->model, zoom);
1525 doc_point.x = change_left ? left : 0;
1526 doc_point.y = change_top ? top : 0;
1527 view->pending_point = doc_point;
1529 ev_view_change_page (view, ev_link_dest_get_page (dest));
1533 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1536 gdouble doc_width, doc_height;
1539 gboolean change_left;
1540 GtkAllocation allocation;
1542 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1544 page = ev_link_dest_get_page (dest);
1545 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1547 left = ev_link_dest_get_left (dest, &change_left);
1548 doc_point.x = change_left ? left : 0;
1551 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1555 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1556 ev_document_model_set_scale (view->model, zoom);
1558 view->pending_point = doc_point;
1560 ev_view_change_page (view, page);
1564 goto_fith_dest (EvView *view, EvLinkDest *dest)
1567 gdouble doc_width, doc_height;
1570 gboolean change_top;
1571 GtkAllocation allocation;
1573 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1575 page = ev_link_dest_get_page (dest);
1576 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1578 top = ev_link_dest_get_top (dest, &change_top);
1581 doc_point.y = change_top ? top : 0;
1583 zoom = zoom_for_size_fit_width (doc_width, top,
1587 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FIT_WIDTH);
1588 ev_document_model_set_scale (view->model, zoom);
1590 view->pending_point = doc_point;
1592 ev_view_change_page (view, page);
1596 goto_fit_dest (EvView *view, EvLinkDest *dest)
1599 gdouble doc_width, doc_height;
1601 GtkAllocation allocation;
1603 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
1605 page = ev_link_dest_get_page (dest);
1606 ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
1608 zoom = zoom_for_size_best_fit (doc_width, doc_height,
1612 ev_document_model_set_sizing_mode (view->model, EV_SIZING_BEST_FIT);
1613 ev_document_model_set_scale (view->model, zoom);
1615 ev_view_change_page (view, page);
1619 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1623 gdouble zoom, left, top;
1624 gboolean change_zoom, change_left, change_top;
1626 zoom = ev_link_dest_get_zoom (dest, &change_zoom);
1627 page = ev_link_dest_get_page (dest);
1629 if (change_zoom && zoom > 1) {
1630 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
1631 ev_document_model_set_scale (view->model, zoom);
1634 left = ev_link_dest_get_left (dest, &change_left);
1635 top = ev_link_dest_get_top (dest, &change_top);
1637 doc_point.x = change_left ? left : 0;
1638 doc_point.y = change_top ? top : 0;
1639 view->pending_point = doc_point;
1641 ev_view_change_page (view, page);
1645 goto_dest (EvView *view, EvLinkDest *dest)
1647 EvLinkDestType type;
1648 int page, n_pages, current_page;
1650 page = ev_link_dest_get_page (dest);
1651 n_pages = ev_document_get_n_pages (view->document);
1653 if (page < 0 || page >= n_pages)
1656 current_page = view->current_page;
1658 type = ev_link_dest_get_dest_type (dest);
1661 case EV_LINK_DEST_TYPE_PAGE:
1662 ev_document_model_set_page (view->model, page);
1664 case EV_LINK_DEST_TYPE_FIT:
1665 goto_fit_dest (view, dest);
1667 case EV_LINK_DEST_TYPE_FITH:
1668 goto_fith_dest (view, dest);
1670 case EV_LINK_DEST_TYPE_FITV:
1671 goto_fitv_dest (view, dest);
1673 case EV_LINK_DEST_TYPE_FITR:
1674 goto_fitr_dest (view, dest);
1676 case EV_LINK_DEST_TYPE_XYZ:
1677 goto_xyz_dest (view, dest);
1679 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1680 ev_document_model_set_page_by_label (view->model, ev_link_dest_get_page_label (dest));
1683 g_assert_not_reached ();
1686 if (current_page != view->current_page)
1687 ev_document_model_set_page (view->model, view->current_page);
1691 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1693 EvLinkDestType type;
1695 type = ev_link_dest_get_dest_type (dest);
1697 if (type == EV_LINK_DEST_TYPE_NAMED) {
1699 const gchar *named_dest;
1701 named_dest = ev_link_dest_get_named_dest (dest);
1702 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1705 goto_dest (view, dest2);
1706 g_object_unref (dest2);
1712 goto_dest (view, dest);
1716 ev_view_handle_link (EvView *view, EvLink *link)
1718 EvLinkAction *action = NULL;
1719 EvLinkActionType type;
1721 action = ev_link_get_action (link);
1725 type = ev_link_action_get_action_type (action);
1728 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1731 g_signal_emit (view, signals[SIGNAL_HANDLE_LINK], 0, link);
1733 dest = ev_link_action_get_dest (action);
1734 ev_view_goto_dest (view, dest);
1737 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1738 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1739 case EV_LINK_ACTION_TYPE_LAUNCH:
1740 case EV_LINK_ACTION_TYPE_NAMED:
1741 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1747 tip_from_action_named (EvLinkAction *action)
1749 const gchar *name = ev_link_action_get_name (action);
1751 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1752 return g_strdup (_("Go to first page"));
1753 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1754 return g_strdup (_("Go to previous page"));
1755 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1756 return g_strdup (_("Go to next page"));
1757 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1758 return g_strdup (_("Go to last page"));
1759 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1760 return g_strdup (_("Go to page"));
1761 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1762 return g_strdup (_("Find"));
1769 tip_from_link (EvView *view, EvLink *link)
1771 EvLinkAction *action;
1772 EvLinkActionType type;
1777 action = ev_link_get_action (link);
1778 title = ev_link_get_title (link);
1781 return title ? g_strdup (title) : NULL;
1783 type = ev_link_action_get_action_type (action);
1786 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1787 page_label = ev_document_links_get_dest_page_label (EV_DOCUMENT_LINKS (view->document),
1788 ev_link_action_get_dest (action));
1790 msg = g_strdup_printf (_("Go to page %s"), page_label);
1791 g_free (page_label);
1794 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1796 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1797 ev_link_action_get_filename (action));
1799 msg = g_strdup_printf (_("Go to file “%s”"),
1800 ev_link_action_get_filename (action));
1803 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1804 msg = g_strdup (ev_link_action_get_uri (action));
1806 case EV_LINK_ACTION_TYPE_LAUNCH:
1807 msg = g_strdup_printf (_("Launch %s"),
1808 ev_link_action_get_filename (action));
1810 case EV_LINK_ACTION_TYPE_NAMED:
1811 msg = tip_from_action_named (action);
1815 msg = g_strdup (title);
1823 ev_view_handle_cursor_over_xy (EvView *view, gint x, gint y)
1827 EvAnnotation *annot = NULL;
1829 if (view->cursor == EV_VIEW_CURSOR_HIDDEN)
1832 if (view->drag_info.in_drag) {
1833 if (view->cursor != EV_VIEW_CURSOR_DRAG)
1834 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1838 if (view->scroll_info.autoscrolling) {
1839 if (view->cursor != EV_VIEW_CURSOR_AUTOSCROLL)
1840 ev_view_set_cursor (view, EV_VIEW_CURSOR_AUTOSCROLL);
1844 link = ev_view_get_link_at_location (view, x, y);
1846 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1847 } else if ((field = ev_view_get_form_field_at_location (view, x, y))) {
1848 if (field->is_read_only) {
1849 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1850 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1851 view->cursor == EV_VIEW_CURSOR_DRAG)
1852 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1853 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
1854 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1856 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1858 } else if ((annot = ev_view_get_annotation_at_location (view, x, y))) {
1859 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1860 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1861 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1863 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1864 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1865 view->cursor == EV_VIEW_CURSOR_DRAG ||
1866 view->cursor == EV_VIEW_CURSOR_AUTOSCROLL)
1867 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1871 g_object_set (view, "has-tooltip", TRUE, NULL);
1876 ev_view_get_image_at_location (EvView *view,
1881 gint x_new = 0, y_new = 0;
1882 GList *image_mapping;
1884 if (!EV_IS_DOCUMENT_IMAGES (view->document))
1887 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1890 image_mapping = ev_page_cache_get_image_mapping (view->page_cache, page);
1893 return ev_mapping_list_get_data (image_mapping, x_new, y_new);
1899 static EvFormField *
1900 ev_view_get_form_field_at_location (EvView *view,
1905 gint x_new = 0, y_new = 0;
1906 GList *forms_mapping;
1908 if (!EV_IS_DOCUMENT_FORMS (view->document))
1911 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
1914 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache, page);
1917 return ev_mapping_list_get_data (forms_mapping, x_new, y_new);
1923 ev_view_form_field_get_region (EvView *view,
1926 GdkRectangle view_area;
1927 GList *forms_mapping;
1929 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
1930 field->page->index);
1931 ev_view_get_area_from_mapping (view, field->page->index,
1935 return gdk_region_rectangle (&view_area);
1939 ev_view_forms_remove_widgets (EvView *view)
1941 ev_view_remove_all (view);
1947 ev_view_form_field_destroy (GtkWidget *widget,
1950 g_idle_add ((GSourceFunc)ev_view_forms_remove_widgets, view);
1954 ev_view_form_field_button_create_widget (EvView *view,
1957 EvFormFieldButton *field_button = EV_FORM_FIELD_BUTTON (field);
1958 GdkRegion *field_region = NULL;
1960 switch (field_button->type) {
1961 case EV_FORM_FIELD_BUTTON_PUSH:
1963 case EV_FORM_FIELD_BUTTON_CHECK:
1964 case EV_FORM_FIELD_BUTTON_RADIO: {
1966 GList *forms_mapping, *l;
1968 state = ev_document_forms_form_field_button_get_state (EV_DOCUMENT_FORMS (view->document),
1971 /* FIXME: it actually depends on NoToggleToOff flags */
1972 if (field_button->type == EV_FORM_FIELD_BUTTON_RADIO &&
1973 state && field_button->state)
1976 field_region = ev_view_form_field_get_region (view, field);
1978 /* For radio buttons and checkbox buttons that are in a set
1979 * we need to update also the region for the current selected item
1981 forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
1982 field->page->index);
1983 for (l = forms_mapping; l; l = g_list_next (l)) {
1984 EvFormField *button = ((EvMapping *)(l->data))->data;
1985 GdkRegion *button_region;
1987 if (button->id == field->id)
1990 /* FIXME: only buttons in the same group should be updated */
1991 if (!EV_IS_FORM_FIELD_BUTTON (button) ||
1992 EV_FORM_FIELD_BUTTON (button)->type != field_button->type ||
1993 EV_FORM_FIELD_BUTTON (button)->state != TRUE)
1996 button_region = ev_view_form_field_get_region (view, button);
1997 gdk_region_union (field_region, button_region);
1998 gdk_region_destroy (button_region);
2001 ev_document_forms_form_field_button_set_state (EV_DOCUMENT_FORMS (view->document),
2003 field_button->state = !state;
2008 ev_view_reload_page (view, field->page->index, field_region);
2009 gdk_region_destroy (field_region);
2015 ev_view_form_field_text_save (EvView *view,
2020 if (!view->document)
2023 field = g_object_get_data (G_OBJECT (widget), "form-field");
2025 if (field->changed) {
2026 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2027 GdkRegion *field_region;
2029 field_region = ev_view_form_field_get_region (view, field);
2031 ev_document_forms_form_field_text_set_text (EV_DOCUMENT_FORMS (view->document),
2032 field, field_text->text);
2033 field->changed = FALSE;
2034 ev_view_reload_page (view, field->page->index, field_region);
2035 gdk_region_destroy (field_region);
2040 ev_view_form_field_text_changed (GtkWidget *widget,
2043 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2046 if (GTK_IS_ENTRY (widget)) {
2047 text = g_strdup (gtk_entry_get_text (GTK_ENTRY (widget)));
2048 } else if (GTK_IS_TEXT_BUFFER (widget)) {
2049 GtkTextIter start, end;
2051 gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (widget), &start, &end);
2052 text = gtk_text_buffer_get_text (GTK_TEXT_BUFFER (widget),
2053 &start, &end, FALSE);
2056 if (!field_text->text ||
2057 (field_text->text && g_ascii_strcasecmp (field_text->text, text) != 0)) {
2058 g_free (field_text->text);
2059 field_text->text = text;
2060 field->changed = TRUE;
2065 ev_view_form_field_text_create_widget (EvView *view,
2068 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
2069 GtkWidget *text = NULL;
2072 txt = ev_document_forms_form_field_text_get_text (EV_DOCUMENT_FORMS (view->document),
2075 switch (field_text->type) {
2076 case EV_FORM_FIELD_TEXT_FILE_SELECT:
2078 case EV_FORM_FIELD_TEXT_NORMAL:
2079 text = gtk_entry_new ();
2080 gtk_entry_set_has_frame (GTK_ENTRY (text), FALSE);
2081 gtk_entry_set_max_length (GTK_ENTRY (text), field_text->max_len);
2082 gtk_entry_set_visibility (GTK_ENTRY (text), !field_text->is_password);
2085 gtk_entry_set_text (GTK_ENTRY (text), txt);
2089 g_signal_connect (text, "changed",
2090 G_CALLBACK (ev_view_form_field_text_changed),
2092 g_signal_connect_after (text, "activate",
2093 G_CALLBACK (ev_view_form_field_destroy),
2096 case EV_FORM_FIELD_TEXT_MULTILINE: {
2097 GtkTextBuffer *buffer;
2099 text = gtk_text_view_new ();
2100 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text));
2103 gtk_text_buffer_set_text (buffer, txt, -1);
2107 g_signal_connect (buffer, "changed",
2108 G_CALLBACK (ev_view_form_field_text_changed),
2114 g_object_weak_ref (G_OBJECT (text),
2115 (GWeakNotify)ev_view_form_field_text_save,
2122 ev_view_form_field_choice_save (EvView *view,
2127 if (!view->document)
2130 field = g_object_get_data (G_OBJECT (widget), "form-field");
2132 if (field->changed) {
2134 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2135 GdkRegion *field_region;
2137 field_region = ev_view_form_field_get_region (view, field);
2139 if (field_choice->is_editable) {
2140 ev_document_forms_form_field_choice_set_text (EV_DOCUMENT_FORMS (view->document),
2141 field, field_choice->text);
2143 ev_document_forms_form_field_choice_unselect_all (EV_DOCUMENT_FORMS (view->document), field);
2144 for (l = field_choice->selected_items; l; l = g_list_next (l)) {
2145 ev_document_forms_form_field_choice_select_item (EV_DOCUMENT_FORMS (view->document),
2147 GPOINTER_TO_INT (l->data));
2150 field->changed = FALSE;
2151 ev_view_reload_page (view, field->page->index, field_region);
2152 gdk_region_destroy (field_region);
2157 ev_view_form_field_choice_changed (GtkWidget *widget,
2160 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2162 if (GTK_IS_COMBO_BOX (widget)) {
2165 item = gtk_combo_box_get_active (GTK_COMBO_BOX (widget));
2166 if (!field_choice->selected_items ||
2167 GPOINTER_TO_INT (field_choice->selected_items->data) != item) {
2168 g_list_free (field_choice->selected_items);
2169 field_choice->selected_items = NULL;
2170 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2171 GINT_TO_POINTER (item));
2172 field->changed = TRUE;
2175 if (GTK_IS_COMBO_BOX_ENTRY (widget)) {
2178 text = gtk_combo_box_get_active_text (GTK_COMBO_BOX (widget));
2179 if (!field_choice->text ||
2180 (field_choice->text && g_ascii_strcasecmp (field_choice->text, text) != 0)) {
2181 g_free (field_choice->text);
2182 field_choice->text = text;
2183 field->changed = TRUE;
2186 } else if (GTK_IS_TREE_SELECTION (widget)) {
2187 GtkTreeSelection *selection = GTK_TREE_SELECTION (widget);
2188 GtkTreeModel *model;
2191 items = gtk_tree_selection_get_selected_rows (selection, &model);
2192 g_list_free (field_choice->selected_items);
2193 field_choice->selected_items = NULL;
2195 for (l = items; l && l->data; l = g_list_next (l)) {
2197 GtkTreePath *path = (GtkTreePath *)l->data;
2200 gtk_tree_model_get_iter (model, &iter, path);
2201 gtk_tree_model_get (model, &iter, 1, &item, -1);
2203 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2204 GINT_TO_POINTER (item));
2206 gtk_tree_path_free (path);
2209 g_list_free (items);
2211 field->changed = TRUE;
2216 ev_view_form_field_choice_create_widget (EvView *view,
2219 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
2221 GtkTreeModel *model;
2223 gint selected_item = 0;
2225 n_items = ev_document_forms_form_field_choice_get_n_items (EV_DOCUMENT_FORMS (view->document),
2227 model = GTK_TREE_MODEL (gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT));
2228 for (i = 0; i < n_items; i++) {
2232 item = ev_document_forms_form_field_choice_get_item (EV_DOCUMENT_FORMS (view->document),
2234 if (ev_document_forms_form_field_choice_is_item_selected (
2235 EV_DOCUMENT_FORMS (view->document), field, i)) {
2237 /* FIXME: we need a get_selected_items function in poppler */
2238 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
2239 GINT_TO_POINTER (i));
2243 gtk_list_store_append (GTK_LIST_STORE (model), &iter);
2244 gtk_list_store_set (GTK_LIST_STORE (model), &iter,
2252 if (field_choice->type == EV_FORM_FIELD_CHOICE_LIST) {
2253 GtkCellRenderer *renderer;
2254 GtkWidget *tree_view;
2255 GtkTreeSelection *selection;
2257 tree_view = gtk_tree_view_new_with_model (model);
2258 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);
2260 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
2261 if (field_choice->multi_select) {
2262 gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
2265 /* TODO: set selected items */
2267 renderer = gtk_cell_renderer_text_new ();
2268 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
2274 choice = gtk_scrolled_window_new (NULL, NULL);
2275 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (choice),
2276 GTK_POLICY_AUTOMATIC,
2277 GTK_POLICY_AUTOMATIC);
2278 gtk_container_add (GTK_CONTAINER (choice), tree_view);
2279 gtk_widget_show (tree_view);
2281 g_signal_connect (selection, "changed",
2282 G_CALLBACK (ev_view_form_field_choice_changed),
2284 g_signal_connect_after (selection, "changed",
2285 G_CALLBACK (ev_view_form_field_destroy),
2287 } else if (field_choice->is_editable) { /* ComboBoxEntry */
2290 choice = gtk_combo_box_entry_new_with_model (model, 0);
2291 text = ev_document_forms_form_field_choice_get_text (EV_DOCUMENT_FORMS (view->document), field);
2293 gtk_entry_set_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (choice))), text);
2297 g_signal_connect (choice, "changed",
2298 G_CALLBACK (ev_view_form_field_choice_changed),
2300 g_signal_connect_after (gtk_bin_get_child (GTK_BIN (choice)),
2302 G_CALLBACK (ev_view_form_field_destroy),
2304 } else { /* ComboBoxText */
2305 GtkCellRenderer *renderer;
2307 choice = gtk_combo_box_new_with_model (model);
2308 renderer = gtk_cell_renderer_text_new ();
2309 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (choice),
2311 gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (choice),
2315 gtk_combo_box_set_active (GTK_COMBO_BOX (choice), selected_item);
2316 gtk_combo_box_popup (GTK_COMBO_BOX (choice));
2318 g_signal_connect (choice, "changed",
2319 G_CALLBACK (ev_view_form_field_choice_changed),
2321 g_signal_connect_after (choice, "changed",
2322 G_CALLBACK (ev_view_form_field_destroy),
2326 g_object_unref (model);
2328 g_object_weak_ref (G_OBJECT (choice),
2329 (GWeakNotify)ev_view_form_field_choice_save,
2336 ev_view_handle_form_field (EvView *view,
2341 GtkWidget *field_widget = NULL;
2342 GList *form_field_mapping;
2343 GdkRectangle view_area;
2345 if (field->is_read_only)
2348 if (EV_IS_FORM_FIELD_BUTTON (field)) {
2349 field_widget = ev_view_form_field_button_create_widget (view, field);
2350 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
2351 field_widget = ev_view_form_field_text_create_widget (view, field);
2352 } else if (EV_IS_FORM_FIELD_CHOICE (field)) {
2353 field_widget = ev_view_form_field_choice_create_widget (view, field);
2354 } else if (EV_IS_FORM_FIELD_SIGNATURE (field)) {
2358 /* Form field doesn't require a widget */
2362 g_object_set_data_full (G_OBJECT (field_widget), "form-field",
2363 g_object_ref (field),
2364 (GDestroyNotify)g_object_unref);
2366 form_field_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
2367 field->page->index);
2368 ev_view_get_area_from_mapping (view, field->page->index,
2372 gtk_layout_put (GTK_LAYOUT (view), field_widget, view_area.x, view_area.y);
2373 gtk_widget_show (field_widget);
2374 gtk_widget_grab_focus (field_widget);
2378 static EvViewWindowChild *
2379 ev_view_get_window_child (EvView *view,
2382 GList *children = view->window_children;
2385 EvViewWindowChild *child;
2387 child = (EvViewWindowChild *)children->data;
2388 children = children->next;
2390 if (child->window == window)
2398 ev_view_window_child_move (EvView *view,
2399 EvViewWindowChild *child,
2405 gtk_window_move (GTK_WINDOW (child->window),
2406 MAX (child->parent_x, x),
2407 MAX (child->parent_y, y));
2411 ev_view_window_child_move_with_parent (EvView *view,
2414 EvViewWindowChild *child;
2415 gint root_x, root_y;
2417 child = ev_view_get_window_child (view, window);
2418 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2420 if (root_x != child->parent_x || root_y != child->parent_y) {
2421 gint dest_x, dest_y;
2423 dest_x = child->x + (root_x - child->parent_x);
2424 dest_y = child->y + (root_y - child->parent_y);
2425 child->parent_x = root_x;
2426 child->parent_y = root_y;
2427 ev_view_window_child_move (view, child, dest_x, dest_y);
2430 if (child->visible && !gtk_widget_get_visible (window))
2431 gtk_widget_show (window);
2435 ev_view_window_child_put (EvView *view,
2443 EvViewWindowChild *child;
2444 gint root_x, root_y;
2446 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2449 child = g_new0 (EvViewWindowChild, 1);
2450 child->window = window;
2452 child->orig_x = orig_x;
2453 child->orig_y = orig_y;
2454 child->parent_x = root_x;
2455 child->parent_y = root_y;
2456 child->visible = ev_annotation_window_is_open (EV_ANNOTATION_WINDOW (window));
2457 ev_view_window_child_move (view, child, x + root_x, y + root_y);
2460 gtk_widget_show (window);
2462 gtk_widget_hide (window);
2464 view->window_children = g_list_append (view->window_children, child);
2467 static EvViewWindowChild *
2468 ev_view_find_window_child_for_annot (EvView *view,
2470 EvAnnotation *annot)
2472 GList *children = view->window_children;
2475 EvViewWindowChild *child;
2476 EvAnnotation *wannot;
2478 child = (EvViewWindowChild *)children->data;
2479 children = children->next;
2481 if (child->page != page)
2484 wannot = ev_annotation_window_get_annotation (EV_ANNOTATION_WINDOW (child->window));
2485 if (wannot == annot || strcmp (wannot->name, annot->name) == 0)
2493 ev_view_window_children_free (EvView *view)
2497 if (!view->window_children)
2500 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
2501 EvViewWindowChild *child;
2503 child = (EvViewWindowChild *)l->data;
2504 gtk_widget_destroy (GTK_WIDGET (child->window));
2507 g_list_free (view->window_children);
2508 view->window_children = NULL;
2509 view->window_child_focus = NULL;
2513 annotation_window_grab_focus (GtkWidget *widget,
2516 if (view->window_child_focus)
2517 ev_annotation_window_ungrab_focus (EV_ANNOTATION_WINDOW (view->window_child_focus->window));
2518 view->window_child_focus = ev_view_get_window_child (view, widget);
2522 annotation_window_closed (EvAnnotationWindow *window,
2525 EvViewWindowChild *child;
2527 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2528 child->visible = FALSE;
2532 annotation_window_moved (EvAnnotationWindow *window,
2537 EvViewWindowChild *child;
2538 GdkRectangle page_area;
2540 GdkRectangle view_rect;
2541 EvRectangle doc_rect;
2544 child = ev_view_get_window_child (view, GTK_WIDGET (window));
2545 if (child->x == x && child->y == y)
2548 child->moved = TRUE;
2552 /* Window has been moved by the user,
2553 * we have to set a new origin in doc coords
2555 gtk_window_get_size (GTK_WINDOW (window), &width, &height);
2556 view_rect.x = (x - child->parent_x) + view->scroll_x;
2557 view_rect.y = (y - child->parent_y) + view->scroll_y;
2558 view_rect.width = width;
2559 view_rect.height = height;
2561 ev_view_get_page_extents (view, child->page, &page_area, &border);
2562 view_rect_to_doc_rect (view, &view_rect, &page_area, &doc_rect);
2563 child->orig_x = doc_rect.x1;
2564 child->orig_y = doc_rect.y1;
2568 ev_view_annotation_save (EvView *view,
2569 EvAnnotation *annot)
2571 if (!view->document)
2574 if (!annot->changed)
2577 ev_document_annotations_annotation_set_contents (EV_DOCUMENT_ANNOTATIONS (view->document),
2578 annot, annot->contents);
2579 annot->changed = FALSE;
2583 show_annotation_windows (EvView *view,
2589 parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
2591 annots = ev_page_cache_get_annot_mapping (view->page_cache, page);
2593 for (l = annots; l && l->data; l = g_list_next (l)) {
2594 EvAnnotation *annot;
2595 EvViewWindowChild *child;
2597 EvRectangle *doc_rect;
2598 GdkRectangle view_rect;
2600 annot = ((EvMapping *)(l->data))->data;
2602 if (!EV_IS_ANNOTATION_MARKUP (annot))
2605 if (!ev_annotation_markup_has_popup (EV_ANNOTATION_MARKUP (annot)))
2608 window = g_object_get_data (G_OBJECT (annot), "popup");
2610 ev_view_window_child_move_with_parent (view, window);
2614 /* Look if we already have a popup for this annot */
2615 child = ev_view_find_window_child_for_annot (view, page, annot);
2616 window = child ? child->window : NULL;
2618 ev_annotation_window_set_annotation (EV_ANNOTATION_WINDOW (window), annot);
2619 g_object_set_data (G_OBJECT (annot), "popup", window);
2620 ev_view_window_child_move_with_parent (view, window);
2622 window = ev_annotation_window_new (annot, parent);
2623 g_signal_connect (window, "grab_focus",
2624 G_CALLBACK (annotation_window_grab_focus),
2626 g_signal_connect (window, "closed",
2627 G_CALLBACK (annotation_window_closed),
2629 g_signal_connect (window, "moved",
2630 G_CALLBACK (annotation_window_moved),
2632 g_object_set_data (G_OBJECT (annot), "popup", window);
2634 doc_rect = (EvRectangle *)ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (window));
2635 doc_rect_to_view_rect (view, page, doc_rect, &view_rect);
2636 view_rect.x -= view->scroll_x;
2637 view_rect.y -= view->scroll_y;
2639 ev_view_window_child_put (view, window, page,
2640 view_rect.x, view_rect.y,
2641 doc_rect->x1, doc_rect->y1);
2643 g_object_weak_ref (G_OBJECT (annot),
2644 (GWeakNotify)ev_view_annotation_save,
2651 hide_annotation_windows (EvView *view,
2656 annots = ev_page_cache_get_annot_mapping (view->page_cache, page);
2658 for (l = annots; l && l->data; l = g_list_next (l)) {
2659 EvAnnotation *annot;
2662 annot = ((EvMapping *)(l->data))->data;
2664 if (!EV_IS_ANNOTATION_MARKUP (annot))
2667 window = g_object_get_data (G_OBJECT (annot), "popup");
2669 gtk_widget_hide (window);
2673 static EvAnnotation *
2674 ev_view_get_annotation_at_location (EvView *view,
2679 gint x_new = 0, y_new = 0;
2680 GList *annotations_mapping;
2682 if (!EV_IS_DOCUMENT_ANNOTATIONS (view->document))
2685 if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
2688 annotations_mapping = ev_page_cache_get_annot_mapping (view->page_cache, page);
2690 if (annotations_mapping)
2691 return ev_mapping_list_get_data (annotations_mapping, x_new, y_new);
2697 ev_view_handle_annotation (EvView *view,
2698 EvAnnotation *annot,
2703 if (EV_IS_ANNOTATION_MARKUP (annot)) {
2706 window = g_object_get_data (G_OBJECT (annot), "popup");
2708 EvViewWindowChild *child;
2710 child = ev_view_get_window_child (view, window);
2711 if (!child->visible) {
2712 child->visible = TRUE;
2713 ev_view_window_child_move (view, child, child->x, child->y);
2714 gtk_widget_show (window);
2719 if (EV_IS_ANNOTATION_ATTACHMENT (annot)) {
2720 EvAttachment *attachment = EV_ANNOTATION_ATTACHMENT (annot)->attachment;
2723 GError *error = NULL;
2725 ev_attachment_open (attachment,
2726 gtk_widget_get_screen (GTK_WIDGET (view)),
2731 g_warning ("%s", error->message);
2732 g_error_free (error);
2738 /*** GtkWidget implementation ***/
2741 ev_view_size_request_continuous_dual_page (EvView *view,
2742 GtkRequisition *requisition)
2746 n_pages = ev_document_get_n_pages (view->document) + 1;
2747 get_page_y_offset (view, n_pages, &requisition->height);
2749 switch (view->sizing_mode) {
2750 case EV_SIZING_FIT_WIDTH:
2751 case EV_SIZING_BEST_FIT:
2752 requisition->width = 1;
2755 case EV_SIZING_FREE: {
2759 ev_view_get_max_page_size (view, &max_width, NULL);
2760 compute_border (view, max_width, max_width, &border);
2761 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
2765 g_assert_not_reached ();
2770 ev_view_size_request_continuous (EvView *view,
2771 GtkRequisition *requisition)
2775 n_pages = ev_document_get_n_pages (view->document);
2776 get_page_y_offset (view, n_pages, &requisition->height);
2778 switch (view->sizing_mode) {
2779 case EV_SIZING_FIT_WIDTH:
2780 case EV_SIZING_BEST_FIT:
2781 requisition->width = 1;
2784 case EV_SIZING_FREE: {
2788 ev_view_get_max_page_size (view, &max_width, NULL);
2789 compute_border (view, max_width, max_width, &border);
2790 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
2794 g_assert_not_reached ();
2799 ev_view_size_request_dual_page (EvView *view,
2800 GtkRequisition *requisition)
2805 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2806 requisition->width = 1;
2807 requisition->height = 1;
2812 /* Find the largest of the two. */
2813 ev_view_get_page_size (view,
2816 if (view->current_page + 1 < ev_document_get_n_pages (view->document)) {
2817 gint width_2, height_2;
2818 ev_view_get_page_size (view,
2819 view->current_page + 1,
2820 &width_2, &height_2);
2821 if (width_2 > width) {
2826 compute_border (view, width, height, &border);
2828 requisition->width = view->sizing_mode == EV_SIZING_FIT_WIDTH ? 1 :
2829 ((width + border.left + border.right) * 2) + (view->spacing * 3);
2830 requisition->height = (height + border.top + border.bottom) + (view->spacing * 2);
2834 ev_view_size_request_single_page (EvView *view,
2835 GtkRequisition *requisition)
2840 if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2841 requisition->width = 1;
2842 requisition->height = 1;
2847 ev_view_get_page_size (view, view->current_page, &width, &height);
2848 compute_border (view, width, height, &border);
2850 requisition->width = view->sizing_mode == EV_SIZING_FIT_WIDTH ? 1 :
2851 width + border.left + border.right + (2 * view->spacing);
2852 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2856 ev_view_size_request (GtkWidget *widget,
2857 GtkRequisition *requisition)
2859 EvView *view = EV_VIEW (widget);
2861 if (view->document == NULL) {
2862 view->requisition.width = 1;
2863 view->requisition.height = 1;
2865 *requisition = view->requisition;
2870 /* Get zoom for size here when not called from
2871 * ev_view_size_allocate()
2873 if (!view->internal_size_request &&
2874 (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2875 view->sizing_mode == EV_SIZING_BEST_FIT)) {
2876 GtkAllocation allocation;
2878 gtk_widget_get_allocation (widget, &allocation);
2879 ev_view_zoom_for_size (view,
2884 if (view->continuous && view->dual_page)
2885 ev_view_size_request_continuous_dual_page (view, &view->requisition);
2886 else if (view->continuous)
2887 ev_view_size_request_continuous (view, &view->requisition);
2888 else if (view->dual_page)
2889 ev_view_size_request_dual_page (view, &view->requisition);
2891 ev_view_size_request_single_page (view, &view->requisition);
2893 *requisition = view->requisition;
2897 ev_view_size_allocate (GtkWidget *widget,
2898 GtkAllocation *allocation)
2900 EvView *view = EV_VIEW (widget);
2901 GList *children, *l;
2902 gint root_x, root_y;
2904 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
2906 if (!view->document)
2909 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2910 view->sizing_mode == EV_SIZING_BEST_FIT) {
2913 ev_view_zoom_for_size (view,
2915 allocation->height);
2916 view->internal_size_request = TRUE;
2917 ev_view_size_request (widget, &req);
2918 view->internal_size_request = FALSE;
2921 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
2922 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
2925 view_update_range_and_current_page (view);
2927 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2928 view->pending_resize = FALSE;
2929 view->pending_point.x = 0;
2930 view->pending_point.y = 0;
2932 children = gtk_container_get_children (GTK_CONTAINER (widget));
2933 for (l = children; l && l->data; l = g_list_next (l)) {
2935 GdkRectangle view_area;
2936 GList *form_field_mapping;
2937 GtkAllocation child_allocation;
2938 GtkRequisition child_requisition;
2939 GtkWidget *child = (GtkWidget *)l->data;
2941 field = g_object_get_data (G_OBJECT (child), "form-field");
2945 form_field_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
2946 field->page->index);
2947 ev_view_get_area_from_mapping (view, field->page->index,
2951 gtk_widget_size_request (child, &child_requisition);
2952 if (child_requisition.width != view_area.width ||
2953 child_requisition.height != view_area.height)
2954 gtk_widget_set_size_request (child, view_area.width, view_area.height);
2956 gtk_container_child_get (GTK_CONTAINER (widget),
2958 "x", &child_allocation.x,
2959 "y", &child_allocation.y,
2961 if (child_allocation.x != view_area.x ||
2962 child_allocation.y != view_area.y) {
2963 gtk_layout_move (GTK_LAYOUT (widget), child, view_area.x, view_area.y);
2966 g_list_free (children);
2968 if (view->window_children)
2969 gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
2972 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
2973 EvViewWindowChild *child;
2974 EvRectangle doc_rect;
2975 GdkRectangle view_rect;
2977 child = (EvViewWindowChild *)l->data;
2979 doc_rect = *ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (child->window));
2981 doc_rect.x1 = child->orig_x;
2982 doc_rect.y1 = child->orig_y;
2984 doc_rect_to_view_rect (view, child->page, &doc_rect, &view_rect);
2985 view_rect.x -= view->scroll_x;
2986 view_rect.y -= view->scroll_y;
2988 if (view_rect.x != child->orig_x || view_rect.y != child->orig_y) {
2989 child->parent_x = root_x;
2990 child->parent_y = root_y;
2991 ev_view_window_child_move (view, child, view_rect.x + root_x, view_rect.y + root_y);
2997 ev_view_realize (GtkWidget *widget)
2999 EvView *view = EV_VIEW (widget);
3000 GdkWindow *bin_window;
3003 if (GTK_WIDGET_CLASS (ev_view_parent_class)->realize)
3004 (* GTK_WIDGET_CLASS (ev_view_parent_class)->realize) (widget);
3006 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
3007 gdk_window_set_events (bin_window,
3008 (gdk_window_get_events (bin_window) |
3010 GDK_BUTTON_PRESS_MASK |
3011 GDK_BUTTON_RELEASE_MASK |
3013 GDK_KEY_PRESS_MASK |
3014 GDK_POINTER_MOTION_MASK |
3015 GDK_POINTER_MOTION_HINT_MASK |
3016 GDK_ENTER_NOTIFY_MASK |
3017 GDK_LEAVE_NOTIFY_MASK));
3019 style = gtk_widget_get_style (widget);
3020 gdk_window_set_background (bin_window, &style->mid[GTK_STATE_NORMAL]);
3022 on_adjustment_value_changed (NULL, view);
3026 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
3028 EvView *view = EV_VIEW (widget);
3031 state = event->state & gtk_accelerator_get_default_mod_mask ();
3033 if (state == GDK_CONTROL_MASK) {
3034 ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
3035 if (event->direction == GDK_SCROLL_UP ||
3036 event->direction == GDK_SCROLL_LEFT) {
3037 if (ev_view_can_zoom_in (view)) {
3038 ev_view_zoom_in (view);
3041 if (ev_view_can_zoom_out (view)) {
3042 ev_view_zoom_out (view);
3049 view->jump_to_find_result = FALSE;
3051 /* Shift+Wheel scrolls the in the perpendicular direction */
3052 if (state & GDK_SHIFT_MASK) {
3053 if (event->direction == GDK_SCROLL_UP)
3054 event->direction = GDK_SCROLL_LEFT;
3055 else if (event->direction == GDK_SCROLL_LEFT)
3056 event->direction = GDK_SCROLL_UP;
3057 else if (event->direction == GDK_SCROLL_DOWN)
3058 event->direction = GDK_SCROLL_RIGHT;
3059 else if (event->direction == GDK_SCROLL_RIGHT)
3060 event->direction = GDK_SCROLL_DOWN;
3062 event->state &= ~GDK_SHIFT_MASK;
3063 state &= ~GDK_SHIFT_MASK;
3066 if (state == 0 && view->sizing_mode == EV_SIZING_BEST_FIT && !view->continuous) {
3067 switch (event->direction) {
3068 case GDK_SCROLL_DOWN:
3069 case GDK_SCROLL_RIGHT:
3070 ev_view_next_page (view);
3073 case GDK_SCROLL_LEFT:
3074 ev_view_previous_page (view);
3084 static EvViewSelection *
3085 find_selection_for_page (EvView *view,
3090 for (list = view->selection_info.selections; list != NULL; list = list->next) {
3091 EvViewSelection *selection;
3093 selection = (EvViewSelection *) list->data;
3095 if (selection->page == page)
3103 ev_view_expose_event (GtkWidget *widget,
3104 GdkEventExpose *event)
3106 EvView *view = EV_VIEW (widget);
3107 GdkWindow *bin_window;
3111 if (view->loading) {
3112 show_loading_window (view);
3113 } else if (view->loading_window &&
3114 gtk_widget_get_visible (view->loading_window)) {
3115 ev_view_loading_window_move (view);
3118 if (view->document == NULL)
3121 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
3122 cr = gdk_cairo_create (bin_window);
3124 for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
3125 GdkRectangle page_area;
3127 gboolean page_ready = TRUE;
3129 if (!ev_view_get_page_extents (view, i, &page_area, &border))
3132 page_area.x -= view->scroll_x;
3133 page_area.y -= view->scroll_y;
3135 draw_one_page (view, i, cr, &page_area, &border, &(event->area), &page_ready);
3137 if (page_ready && view->find_pages && view->highlight_find_results)
3138 highlight_find_results (view, i);
3139 if (page_ready && EV_IS_DOCUMENT_ANNOTATIONS (view->document))
3140 show_annotation_windows (view, i);
3145 if (GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event)
3146 (* GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) (widget, event);
3152 ev_view_do_popup_menu (EvView *view,
3156 GList *items = NULL;
3159 EvAnnotation *annot;
3161 image = ev_view_get_image_at_location (view, x, y);
3163 items = g_list_prepend (items, image);
3165 link = ev_view_get_link_at_location (view, x, y);
3167 items = g_list_prepend (items, link);
3169 annot = ev_view_get_annotation_at_location (view, x, y);
3171 items = g_list_prepend (items, annot);
3173 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, items);
3175 g_list_free (items);
3181 ev_view_popup_menu (GtkWidget *widget)
3185 gtk_widget_get_pointer (widget, &x, &y);
3186 return ev_view_do_popup_menu (EV_VIEW (widget), x, y);
3190 get_link_area (EvView *view,
3196 GList *link_mapping;
3198 gint x_offset = 0, y_offset = 0;
3200 x += view->scroll_x;
3201 y += view->scroll_y;
3203 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3205 link_mapping = ev_page_cache_get_link_mapping (view->page_cache, page);
3206 ev_view_get_area_from_mapping (view, page,
3212 get_annot_area (EvView *view,
3215 EvAnnotation *annot,
3218 GList *annot_mapping;
3220 gint x_offset = 0, y_offset = 0;
3222 x += view->scroll_x;
3223 y += view->scroll_y;
3225 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
3227 annot_mapping = ev_page_cache_get_annot_mapping (view->page_cache, page);
3228 ev_view_get_area_from_mapping (view, page,
3234 ev_view_query_tooltip (GtkWidget *widget,
3237 gboolean keyboard_tip,
3238 GtkTooltip *tooltip)
3240 EvView *view = EV_VIEW (widget);
3242 EvAnnotation *annot;
3245 annot = ev_view_get_annotation_at_location (view, x, y);
3246 if (annot && annot->contents) {
3247 GdkRectangle annot_area;
3249 get_annot_area (view, x, y, annot, &annot_area);
3250 gtk_tooltip_set_text (tooltip, annot->contents);
3251 gtk_tooltip_set_tip_area (tooltip, &annot_area);
3256 link = ev_view_get_link_at_location (view, x, y);
3260 text = tip_from_link (view, link);
3261 if (text && g_utf8_validate (text, -1, NULL)) {
3262 GdkRectangle link_area;
3264 get_link_area (view, x, y, link, &link_area);
3265 gtk_tooltip_set_text (tooltip, text);
3266 gtk_tooltip_set_tip_area (tooltip, &link_area);
3274 start_selection_for_event (EvView *view,
3275 GdkEventButton *event)
3277 clear_selection (view);
3279 view->selection_info.start.x = event->x + view->scroll_x;
3280 view->selection_info.start.y = event->y + view->scroll_y;
3282 switch (event->type) {
3283 case GDK_2BUTTON_PRESS:
3284 view->selection_info.style = EV_SELECTION_STYLE_WORD;
3286 case GDK_3BUTTON_PRESS:
3287 view->selection_info.style = EV_SELECTION_STYLE_LINE;
3290 view->selection_info.style = EV_SELECTION_STYLE_GLYPH;
3294 /* In case of WORD or LINE, compute selections now */
3295 compute_selections (view,
3296 view->selection_info.style,
3297 &(view->selection_info.start),
3298 &(view->selection_info.start));
3302 ev_view_button_press_event (GtkWidget *widget,
3303 GdkEventButton *event)
3305 EvView *view = EV_VIEW (widget);
3307 if (!view->document)
3310 if (!gtk_widget_has_focus (widget)) {
3311 gtk_widget_grab_focus (widget);
3314 if (view->window_child_focus) {
3315 EvAnnotationWindow *window;
3316 EvAnnotation *annot;
3318 window = EV_ANNOTATION_WINDOW (view->window_child_focus->window);
3319 annot = ev_annotation_window_get_annotation (window);
3320 ev_annotation_window_ungrab_focus (window);
3321 ev_view_annotation_save (view, annot);
3322 view->window_child_focus = NULL;
3325 view->pressed_button = event->button;
3326 view->selection_info.in_drag = FALSE;
3328 if (view->scroll_info.autoscrolling)
3331 switch (event->button) {
3334 EvAnnotation *annot;
3337 if (EV_IS_SELECTION (view->document) && view->selection_info.selections) {
3338 if (event->type == GDK_3BUTTON_PRESS) {
3339 start_selection_for_event (view, event);
3340 } else if (location_in_selected_text (view,
3341 event->x + view->scroll_x,
3342 event->y + view->scroll_y)) {
3343 view->selection_info.in_drag = TRUE;
3345 start_selection_for_event (view, event);
3348 gtk_widget_queue_draw (widget);
3349 } else if ((annot = ev_view_get_annotation_at_location (view, event->x, event->y))) {
3350 ev_view_handle_annotation (view, annot, event->x, event->y, event->time);
3351 } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) {
3352 ev_view_remove_all (view);
3353 ev_view_handle_form_field (view, field, event->x, event->y);
3354 } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) &&
3355 (image = ev_view_get_image_at_location (view, event->x, event->y))) {
3356 if (view->image_dnd_info.image)
3357 g_object_unref (view->image_dnd_info.image);
3358 view->image_dnd_info.image = g_object_ref (image);
3359 view->image_dnd_info.in_drag = TRUE;
3361 view->image_dnd_info.start.x = event->x + view->scroll_x;
3362 view->image_dnd_info.start.y = event->y + view->scroll_y;
3364 ev_view_remove_all (view);
3366 if (EV_IS_SELECTION (view->document))
3367 start_selection_for_event (view, event);
3372 /* use root coordinates as reference point because
3373 * scrolling changes window relative coordinates */
3374 view->drag_info.start.x = event->x_root;
3375 view->drag_info.start.y = event->y_root;
3376 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
3377 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
3379 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
3383 view->scroll_info.start_y = event->y;
3384 return ev_view_do_popup_menu (view, event->x, event->y);
3391 ev_view_remove_all (EvView *view)
3393 GList *children, *child;
3395 children = gtk_container_get_children (GTK_CONTAINER (view));
3396 for (child = children; child && child->data; child = g_list_next (child)) {
3397 gtk_container_remove (GTK_CONTAINER (view),
3398 GTK_WIDGET (child->data));
3400 g_list_free (children);
3403 /*** Drag and Drop ***/
3405 ev_view_drag_data_get (GtkWidget *widget,
3406 GdkDragContext *context,
3407 GtkSelectionData *selection_data,
3411 EvView *view = EV_VIEW (widget);
3414 case TARGET_DND_TEXT:
3415 if (EV_IS_SELECTION (view->document) &&
3416 view->selection_info.selections) {
3419 text = get_selected_text (view);
3420 gtk_selection_data_set_text (selection_data,
3426 case TARGET_DND_IMAGE:
3427 if (view->image_dnd_info.image) {
3430 ev_document_doc_mutex_lock ();
3431 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3432 view->image_dnd_info.image);
3433 ev_document_doc_mutex_unlock ();
3435 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
3436 g_object_unref (pixbuf);
3439 case TARGET_DND_URI:
3440 if (view->image_dnd_info.image) {
3442 const gchar *tmp_uri;
3445 ev_document_doc_mutex_lock ();
3446 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
3447 view->image_dnd_info.image);
3448 ev_document_doc_mutex_unlock ();
3450 tmp_uri = ev_image_save_tmp (view->image_dnd_info.image, pixbuf);
3451 g_object_unref (pixbuf);
3453 uris[0] = (gchar *)tmp_uri;
3455 gtk_selection_data_set_uris (selection_data, uris);
3461 ev_view_drag_motion (GtkWidget *widget,
3462 GdkDragContext *context,
3467 if (gtk_drag_get_source_widget (context) == widget)
3468 gdk_drag_status (context, 0, time);
3470 gdk_drag_status (context, gdk_drag_context_get_suggested_action (context), time);
3476 selection_update_idle_cb (EvView *view)
3478 compute_selections (view,
3479 view->selection_info.style,
3480 &view->selection_info.start,
3482 view->selection_update_id = 0;
3487 selection_scroll_timeout_cb (EvView *view)
3489 gint x, y, shift = 0;
3490 GtkWidget *widget = GTK_WIDGET (view);
3491 GtkAllocation allocation;
3493 gtk_widget_get_allocation (widget, &allocation);
3494 gtk_widget_get_pointer (widget, &x, &y);
3496 if (y > allocation.height) {
3497 shift = (y - allocation.height) / 2;
3503 gtk_adjustment_set_value (view->vadjustment,
3504 CLAMP (gtk_adjustment_get_value (view->vadjustment) + shift,
3505 gtk_adjustment_get_lower (view->vadjustment),
3506 gtk_adjustment_get_upper (view->vadjustment) -
3507 gtk_adjustment_get_page_size (view->vadjustment)));
3509 if (x > allocation.width) {
3510 shift = (x - allocation.width) / 2;
3516 gtk_adjustment_set_value (view->hadjustment,
3517 CLAMP (gtk_adjustment_get_value (view->hadjustment) + shift,
3518 gtk_adjustment_get_lower (view->hadjustment),
3519 gtk_adjustment_get_upper (view->hadjustment) -
3520 gtk_adjustment_get_page_size (view->hadjustment)));
3526 ev_view_drag_update_momentum (EvView *view)
3529 if (!view->drag_info.in_drag)
3532 for (i = DRAG_HISTORY - 1; i > 0; i--) {
3533 view->drag_info.buffer[i].x = view->drag_info.buffer[i-1].x;
3534 view->drag_info.buffer[i].y = view->drag_info.buffer[i-1].y;
3537 /* Momentum is a moving average of 10ms granularity over
3538 * the last 100ms with each 10ms stored in buffer.
3541 view->drag_info.momentum.x = (view->drag_info.buffer[DRAG_HISTORY - 1].x - view->drag_info.buffer[0].x);
3542 view->drag_info.momentum.y = (view->drag_info.buffer[DRAG_HISTORY - 1].y - view->drag_info.buffer[0].y);
3548 ev_view_scroll_drag_release (EvView *view)
3550 gdouble dhadj_value, dvadj_value;
3551 gdouble oldhadjustment, oldvadjustment;
3552 gdouble h_page_size, v_page_size;
3553 gdouble h_upper, v_upper;
3554 GtkAllocation allocation;
3556 view->drag_info.momentum.x /= 1.2;
3557 view->drag_info.momentum.y /= 1.2; /* Alter these constants to change "friction" */
3559 gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
3561 h_page_size = gtk_adjustment_get_page_size (view->hadjustment);
3562 v_page_size = gtk_adjustment_get_page_size (view->vadjustment);
3564 dhadj_value = h_page_size *
3565 (gdouble)view->drag_info.momentum.x / allocation.width;
3566 dvadj_value = v_page_size *
3567 (gdouble)view->drag_info.momentum.y / allocation.height;
3569 oldhadjustment = gtk_adjustment_get_value (view->hadjustment);
3570 oldvadjustment = gtk_adjustment_get_value (view->vadjustment);
3572 h_upper = gtk_adjustment_get_upper (view->hadjustment);
3573 v_upper = gtk_adjustment_get_upper (view->vadjustment);
3575 /* When we reach the edges, we need either to absorb some momentum and bounce by
3576 * multiplying it on -0.5 or stop scrolling by setting momentum to 0. */
3577 if (((oldhadjustment + dhadj_value) > (h_upper - h_page_size)) ||
3578 ((oldhadjustment + dhadj_value) < 0))
3579 view->drag_info.momentum.x = 0;
3580 if (((oldvadjustment + dvadj_value) > (v_upper - v_page_size)) ||
3581 ((oldvadjustment + dvadj_value) < 0))
3582 view->drag_info.momentum.y = 0;
3584 gtk_adjustment_set_value (view->hadjustment,
3585 MIN (oldhadjustment + dhadj_value,
3586 h_upper - h_page_size));
3587 gtk_adjustment_set_value (view->vadjustment,
3588 MIN (oldvadjustment + dvadj_value,
3589 v_upper - v_page_size));
3591 if (((view->drag_info.momentum.x < 1) && (view->drag_info.momentum.x > -1)) &&
3592 ((view->drag_info.momentum.y < 1) && (view->drag_info.momentum.y > -1)))
3599 ev_view_motion_notify_event (GtkWidget *widget,
3600 GdkEventMotion *event)
3602 EvView *view = EV_VIEW (widget);
3603 GdkWindow *bin_window;
3606 if (!view->document)
3609 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
3611 if (event->is_hint || event->window != bin_window) {
3612 gtk_widget_get_pointer (widget, &x, &y);
3618 if (view->scroll_info.autoscrolling) {
3619 view->scroll_info.last_y = y;
3623 if (view->selection_info.in_drag) {
3624 if (gtk_drag_check_threshold (widget,
3625 view->selection_info.start.x,
3626 view->selection_info.start.y,
3628 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3630 gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT);
3632 gtk_drag_begin (widget, target_list,
3634 1, (GdkEvent *)event);
3636 view->selection_info.in_drag = FALSE;
3638 gtk_target_list_unref (target_list);
3642 } else if (view->image_dnd_info.in_drag) {
3643 if (gtk_drag_check_threshold (widget,
3644 view->selection_info.start.x,
3645 view->selection_info.start.y,
3647 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3649 gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI);
3650 gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE);
3652 gtk_drag_begin (widget, target_list,
3654 1, (GdkEvent *)event);
3656 view->image_dnd_info.in_drag = FALSE;
3658 gtk_target_list_unref (target_list);
3664 switch (view->pressed_button) {
3666 /* For the Evince 0.4.x release, we limit selection to un-rotated
3669 if (view->rotation != 0)
3672 /* Schedule timeout to scroll during selection and additionally
3673 * scroll once to allow arbitrary speed. */
3674 if (!view->selection_scroll_id)
3675 view->selection_scroll_id = g_timeout_add (SCROLL_TIME,
3676 (GSourceFunc)selection_scroll_timeout_cb,
3679 selection_scroll_timeout_cb (view);
3681 view->selection_info.in_selection = TRUE;
3682 view->motion.x = x + view->scroll_x;
3683 view->motion.y = y + view->scroll_y;
3685 /* Queue an idle to handle the motion. We do this because
3686 * handling any selection events in the motion could be slower
3687 * than new motion events reach us. We always put it in the
3688 * idle to make sure we catch up and don't visibly lag the
3690 if (!view->selection_update_id)
3691 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
3695 if (!view->drag_info.in_drag) {
3699 start = gtk_drag_check_threshold (widget,
3700 view->drag_info.start.x,
3701 view->drag_info.start.y,
3704 view->drag_info.in_drag = start;
3705 view->drag_info.drag_timeout_id = g_timeout_add (10,
3706 (GSourceFunc)ev_view_drag_update_momentum, view);
3707 /* Set 100 to choose how long it takes to build up momentum */
3708 /* Clear out previous momentum info: */
3709 for (i = 0; i < DRAG_HISTORY; i++) {
3710 view->drag_info.buffer[i].x = event->x;
3711 view->drag_info.buffer[i].y = event->y;
3713 view->drag_info.momentum.x = 0;
3714 view->drag_info.momentum.y = 0;
3717 if (view->drag_info.in_drag) {
3719 gdouble dhadj_value, dvadj_value;
3720 GtkAllocation allocation;
3722 view->drag_info.buffer[0].x = event->x;
3723 view->drag_info.buffer[0].y = event->y;
3725 dx = event->x_root - view->drag_info.start.x;
3726 dy = event->y_root - view->drag_info.start.y;
3728 gtk_widget_get_allocation (widget, &allocation);
3730 dhadj_value = gtk_adjustment_get_page_size (view->hadjustment) *
3731 (gdouble)dx / allocation.width;
3732 dvadj_value = gtk_adjustment_get_page_size (view->vadjustment) *
3733 (gdouble)dy / allocation.height;
3735 /* clamp scrolling to visible area */
3736 gtk_adjustment_set_value (view->hadjustment,
3737 MIN (view->drag_info.hadj - dhadj_value,
3738 gtk_adjustment_get_upper (view->hadjustment) -
3739 gtk_adjustment_get_page_size (view->hadjustment)));
3740 gtk_adjustment_set_value (view->vadjustment,
3741 MIN (view->drag_info.vadj - dvadj_value,
3742 gtk_adjustment_get_upper (view->vadjustment) -
3743 gtk_adjustment_get_page_size (view->vadjustment)));
3750 ev_view_handle_cursor_over_xy (view, x, y);
3757 ev_view_button_release_event (GtkWidget *widget,
3758 GdkEventButton *event)
3760 EvView *view = EV_VIEW (widget);
3761 EvLink *link = NULL;
3763 view->image_dnd_info.in_drag = FALSE;
3765 if (view->scroll_info.autoscrolling) {
3766 ev_view_autoscroll_stop (view);
3767 view->pressed_button = -1;
3772 if (view->drag_info.in_drag) {
3773 view->drag_info.release_timeout_id =
3775 (GSourceFunc)ev_view_scroll_drag_release, view);
3778 if (view->document && !view->drag_info.in_drag && view->pressed_button != 3) {
3779 link = ev_view_get_link_at_location (view, event->x, event->y);
3782 view->drag_info.in_drag = FALSE;
3784 if (view->pressed_button == 2) {
3785 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3788 view->pressed_button = -1;
3790 if (view->selection_scroll_id) {
3791 g_source_remove (view->selection_scroll_id);
3792 view->selection_scroll_id = 0;
3794 if (view->selection_update_id) {
3795 g_source_remove (view->selection_update_id);
3796 view->selection_update_id = 0;
3799 if (view->selection_info.selections) {
3800 clear_link_selected (view);
3801 ev_view_update_primary_selection (view);
3803 if (view->selection_info.in_drag) {
3804 clear_selection (view);
3805 gtk_widget_queue_draw (widget);
3808 view->selection_info.in_drag = FALSE;
3810 if (event->button == 2) {
3811 EvLinkAction *action;
3812 EvLinkActionType type;
3814 action = ev_link_get_action (link);
3818 type = ev_link_action_get_action_type (action);
3819 if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
3820 g_signal_emit (view,
3821 signals[SIGNAL_EXTERNAL_LINK],
3825 ev_view_handle_link (view, link);
3833 ev_view_key_press_event (GtkWidget *widget,
3836 EvView *view = EV_VIEW (widget);
3838 if (!view->document)
3841 if (!gtk_widget_has_focus (widget)) {
3842 /* Forward key events to current focused window child */
3843 if (view->window_child_focus) {
3844 GdkEventKey *new_event;
3847 new_event = (GdkEventKey *) gdk_event_copy ((GdkEvent *)event);
3848 g_object_unref (new_event->window);
3849 new_event->window = gtk_widget_get_window (view->window_child_focus->window);
3850 if (new_event->window)
3851 g_object_ref (new_event->window);
3852 gtk_widget_realize (view->window_child_focus->window);
3853 handled = gtk_widget_event (view->window_child_focus->window, (GdkEvent *)new_event);
3854 gdk_event_free ((GdkEvent *)new_event);
3862 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3866 ev_view_focus_in (GtkWidget *widget,
3867 GdkEventFocus *event)
3869 if (EV_VIEW (widget)->pixbuf_cache)
3870 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3871 gtk_widget_queue_draw (widget);
3877 ev_view_focus_out (GtkWidget *widget,
3878 GdkEventFocus *event)
3880 if (EV_VIEW (widget)->pixbuf_cache)
3881 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3882 gtk_widget_queue_draw (widget);
3888 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3890 EvView *view = EV_VIEW (widget);
3892 if (view->cursor != EV_VIEW_CURSOR_NORMAL)
3893 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
3899 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3901 EvView *view = EV_VIEW (widget);
3903 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3909 ev_view_style_set (GtkWidget *widget,
3910 GtkStyle *old_style)
3912 if (EV_VIEW (widget)->pixbuf_cache)
3913 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3915 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
3921 draw_rubberband (EvView *view,
3923 const GdkRectangle *rect,
3927 GdkColor *fill_color_gdk;
3931 style = gtk_widget_get_style (GTK_WIDGET (view));
3932 fill_color_gdk = gdk_color_copy (&style->base[GTK_STATE_SELECTED]);
3933 r = fill_color_gdk->red / 65535.;
3934 g = fill_color_gdk->green / 65535.;
3935 b = fill_color_gdk->blue / 65535.;
3937 cr = gdk_cairo_create (window);
3939 cairo_set_source_rgba (cr, r, g, b, alpha);
3940 cairo_rectangle (cr,
3941 rect->x - view->scroll_x,
3942 rect->y - view->scroll_y,
3943 rect->width, rect->height);
3944 cairo_fill_preserve (cr);
3946 cairo_set_line_width (cr, 0.5);
3947 cairo_set_source_rgb (cr, r, g, b);
3952 gdk_color_free (fill_color_gdk);
3957 highlight_find_results (EvView *view, int page)
3959 gint i, n_results = 0;
3960 GdkWindow *bin_window;
3962 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
3964 n_results = ev_view_find_get_n_results (view, page);
3966 for (i = 0; i < n_results; i++) {
3967 EvRectangle *rectangle;
3968 GdkRectangle view_rectangle;
3971 if (i == view->find_result && page == view->current_page) {
3977 rectangle = ev_view_find_get_result (view, page, i);
3978 doc_rect_to_view_rect (view, page, rectangle, &view_rectangle);
3979 draw_rubberband (view, bin_window, &view_rectangle, alpha);
3984 ev_view_loading_window_move (EvView *view)
3986 GtkWidget *widget = GTK_WIDGET (view);
3987 EvLoadingWindow *window = EV_LOADING_WINDOW (view->loading_window);
3988 gint root_x, root_y;
3990 GtkAllocation allocation;
3992 gtk_widget_get_allocation (widget, &allocation);
3993 gdk_window_get_origin (gtk_widget_get_window (widget), &root_x, &root_y);
3994 ev_loading_window_get_size (window, &window_width, NULL);
3996 root_x += allocation.width - window_width - 10;
3999 ev_loading_window_move (window, root_x, root_y);
4003 show_loading_window_cb (EvView *view)
4005 if (!view->loading_window) {
4009 parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
4010 view->loading_window = ev_loading_window_new (parent);
4012 /* Show the window off screen to get a valid size asap */
4013 screen = gtk_widget_get_screen (GTK_WIDGET (view));
4014 gtk_window_move (GTK_WINDOW (view->loading_window),
4015 gdk_screen_get_width (screen) + 1,
4016 gdk_screen_get_height (screen) + 1);
4017 gtk_widget_show (view->loading_window);
4020 ev_view_loading_window_move (view);
4022 gtk_widget_show (view->loading_window);
4024 view->loading_timeout = 0;
4030 show_loading_window (EvView *view)
4032 if (view->loading_window && gtk_widget_get_visible (view->loading_window)) {
4033 ev_view_loading_window_move (view);
4037 if (!view->loading_timeout) {
4038 view->loading_timeout =
4039 g_timeout_add_full (G_PRIORITY_LOW,
4040 0.5, (GSourceFunc)show_loading_window_cb,
4046 hide_loading_window (EvView *view)
4048 if (view->loading_timeout) {
4049 g_source_remove (view->loading_timeout);
4050 view->loading_timeout = 0;
4053 if (view->loading_window && gtk_widget_get_visible (view->loading_window)) {
4054 gtk_widget_hide (view->loading_window);
4059 draw_one_page (EvView *view,
4062 GdkRectangle *page_area,
4064 GdkRectangle *expose_area,
4065 gboolean *page_ready)
4067 GdkWindow *bin_window;
4068 GdkRectangle overlap;
4069 GdkRectangle real_page_area;
4071 gboolean inverted_colors;
4073 g_assert (view->document);
4075 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
4078 /* Render the document itself */
4079 real_page_area = *page_area;
4081 real_page_area.x += border->left;
4082 real_page_area.y += border->top;
4083 real_page_area.width -= (border->left + border->right);
4084 real_page_area.height -= (border->top + border->bottom);
4087 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
4088 current_page = ev_document_model_get_page (view->model);
4089 inverted_colors = ev_document_model_get_inverted_colors (view->model);
4090 ev_document_misc_paint_one_page (bin_window,
4093 page == current_page,
4096 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
4098 gint page_width, page_height;
4099 cairo_surface_t *page_surface = NULL;
4100 gint selection_width, selection_height;
4101 cairo_surface_t *selection_surface = NULL;
4103 page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page);
4105 if (!page_surface) {
4106 if (page == current_page)
4107 show_loading_window (view);
4109 *page_ready = FALSE;
4114 if (page == current_page)
4115 hide_loading_window (view);
4117 ev_view_get_page_size (view, page, &width, &height);
4119 page_width = cairo_image_surface_get_width (page_surface);
4120 page_height = cairo_image_surface_get_height (page_surface);
4123 cairo_translate (cr, overlap.x, overlap.y);
4125 if (width != page_width || height != page_height) {
4126 cairo_pattern_set_filter (cairo_get_source (cr),
4129 (gdouble)width / page_width,
4130 (gdouble)height / page_height);
4133 cairo_surface_set_device_offset (page_surface,
4134 overlap.x - real_page_area.x,
4135 overlap.y - real_page_area.y);
4136 cairo_set_source_surface (cr, page_surface, 0, 0);
4140 /* Get the selection pixbuf iff we have something to draw */
4141 if (find_selection_for_page (view, page) &&
4142 view->selection_mode == EV_VIEW_SELECTION_TEXT) {
4144 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
4150 if (!selection_surface) {
4154 selection_width = cairo_image_surface_get_width (selection_surface);
4155 selection_height = cairo_image_surface_get_height (selection_surface);
4158 cairo_translate (cr, overlap.x, overlap.y);
4160 if (width != selection_width || height != selection_height) {
4161 cairo_pattern_set_filter (cairo_get_source (cr),
4164 (gdouble)width / selection_width,
4165 (gdouble)height / selection_height);
4168 cairo_surface_set_device_offset (selection_surface,
4169 overlap.x - real_page_area.x,
4170 overlap.y - real_page_area.y);
4171 cairo_set_source_surface (cr, selection_surface, 0, 0);
4177 /*** GObject functions ***/
4180 ev_view_finalize (GObject *object)
4182 EvView *view = EV_VIEW (object);
4184 clear_selection (view);
4185 clear_link_selected (view);
4187 if (view->image_dnd_info.image)
4188 g_object_unref (view->image_dnd_info.image);
4189 view->image_dnd_info.image = NULL;
4191 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
4195 ev_view_destroy (GtkObject *object)
4197 EvView *view = EV_VIEW (object);
4200 g_object_unref (view->model);
4204 if (view->pixbuf_cache) {
4205 g_object_unref (view->pixbuf_cache);
4206 view->pixbuf_cache = NULL;
4209 if (view->document) {
4210 g_object_unref (view->document);
4211 view->document = NULL;
4214 if (view->page_cache) {
4215 g_object_unref (view->page_cache);
4216 view->page_cache = NULL;
4219 ev_view_window_children_free (view);
4221 if (view->selection_scroll_id) {
4222 g_source_remove (view->selection_scroll_id);
4223 view->selection_scroll_id = 0;
4226 if (view->selection_update_id) {
4227 g_source_remove (view->selection_update_id);
4228 view->selection_update_id = 0;
4231 if (view->scroll_info.timeout_id) {
4232 g_source_remove (view->scroll_info.timeout_id);
4233 view->scroll_info.timeout_id = 0;
4236 if (view->drag_info.drag_timeout_id) {
4237 g_source_remove (view->drag_info.drag_timeout_id);
4238 view->drag_info.drag_timeout_id = 0;
4241 if (view->drag_info.release_timeout_id) {
4242 g_source_remove (view->drag_info.release_timeout_id);
4243 view->drag_info.release_timeout_id = 0;
4246 if (view->loading_timeout) {
4247 g_source_remove (view->loading_timeout);
4248 view->loading_timeout = 0;
4251 ev_view_set_scroll_adjustments (GTK_LAYOUT (view), NULL, NULL);
4253 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
4257 ev_view_get_accessible (GtkWidget *widget)
4259 static gboolean first_time = TRUE;
4262 AtkObjectFactory *factory;
4263 AtkRegistry *registry;
4265 GType derived_atk_type;
4268 * Figure out whether accessibility is enabled by looking at the
4269 * type of the accessible object which would be created for
4270 * the parent type of EvView.
4272 derived_type = g_type_parent (EV_TYPE_VIEW);
4274 registry = atk_get_default_registry ();
4275 factory = atk_registry_get_factory (registry,
4277 derived_atk_type = atk_object_factory_get_accessible_type (factory);
4278 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
4279 atk_registry_set_factory_type (registry,
4281 ev_view_accessible_factory_get_type ());
4284 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
4288 ev_view_class_init (EvViewClass *class)
4290 GObjectClass *object_class = G_OBJECT_CLASS (class);
4291 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
4292 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
4293 GtkLayoutClass *layout_class = GTK_LAYOUT_CLASS (class);
4294 GtkBindingSet *binding_set;
4296 object_class->finalize = ev_view_finalize;
4298 widget_class->expose_event = ev_view_expose_event;
4299 widget_class->button_press_event = ev_view_button_press_event;
4300 widget_class->motion_notify_event = ev_view_motion_notify_event;
4301 widget_class->button_release_event = ev_view_button_release_event;
4302 widget_class->key_press_event = ev_view_key_press_event;
4303 widget_class->focus_in_event = ev_view_focus_in;
4304 widget_class->focus_out_event = ev_view_focus_out;
4305 widget_class->get_accessible = ev_view_get_accessible;
4306 widget_class->size_request = ev_view_size_request;
4307 widget_class->size_allocate = ev_view_size_allocate;
4308 widget_class->realize = ev_view_realize;
4309 widget_class->scroll_event = ev_view_scroll_event;
4310 widget_class->enter_notify_event = ev_view_enter_notify_event;
4311 widget_class->leave_notify_event = ev_view_leave_notify_event;
4312 widget_class->style_set = ev_view_style_set;
4313 widget_class->drag_data_get = ev_view_drag_data_get;
4314 widget_class->drag_motion = ev_view_drag_motion;
4315 widget_class->popup_menu = ev_view_popup_menu;
4316 widget_class->query_tooltip = ev_view_query_tooltip;
4318 gtk_object_class->destroy = ev_view_destroy;
4320 layout_class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
4322 class->binding_activated = ev_view_scroll;
4324 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
4325 G_TYPE_FROM_CLASS (object_class),
4326 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4327 G_STRUCT_OFFSET (EvViewClass, binding_activated),
4329 ev_view_marshal_VOID__ENUM_BOOLEAN,
4331 GTK_TYPE_SCROLL_TYPE,
4333 signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link",
4334 G_TYPE_FROM_CLASS (object_class),
4335 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4336 G_STRUCT_OFFSET (EvViewClass, handle_link),
4338 g_cclosure_marshal_VOID__OBJECT,
4341 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
4342 G_TYPE_FROM_CLASS (object_class),
4343 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4344 G_STRUCT_OFFSET (EvViewClass, external_link),
4346 g_cclosure_marshal_VOID__OBJECT,
4349 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
4350 G_TYPE_FROM_CLASS (object_class),
4351 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4352 G_STRUCT_OFFSET (EvViewClass, popup_menu),
4354 g_cclosure_marshal_VOID__POINTER,
4357 signals[SIGNAL_SELECTION_CHANGED] = g_signal_new ("selection-changed",
4358 G_TYPE_FROM_CLASS (object_class),
4359 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4360 G_STRUCT_OFFSET (EvViewClass, selection_changed),
4362 g_cclosure_marshal_VOID__VOID,
4366 binding_set = gtk_binding_set_by_class (class);
4368 add_scroll_binding_keypad (binding_set, GDK_Left, 0, GTK_SCROLL_STEP_BACKWARD, TRUE);
4369 add_scroll_binding_keypad (binding_set, GDK_Right, 0, GTK_SCROLL_STEP_FORWARD, TRUE);
4370 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, TRUE);
4371 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, TRUE);
4372 add_scroll_binding_keypad (binding_set, GDK_Up, 0, GTK_SCROLL_STEP_BACKWARD, FALSE);
4373 add_scroll_binding_keypad (binding_set, GDK_Down, 0, GTK_SCROLL_STEP_FORWARD, FALSE);
4374 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, FALSE);
4375 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, FALSE);
4376 gtk_binding_entry_add_signal (binding_set, GDK_H, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4377 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE);
4378 gtk_binding_entry_add_signal (binding_set, GDK_J, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4379 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE);
4380 gtk_binding_entry_add_signal (binding_set, GDK_K, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4381 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE);
4382 gtk_binding_entry_add_signal (binding_set, GDK_L, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4383 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE);
4388 ev_view_init (EvView *view)
4390 gtk_widget_set_can_focus (GTK_WIDGET (view), TRUE);
4392 view->start_page = -1;
4393 view->end_page = -1;
4396 view->current_page = 0;
4397 view->pressed_button = -1;
4398 view->cursor = EV_VIEW_CURSOR_NORMAL;
4399 view->drag_info.in_drag = FALSE;
4400 view->scroll_info.autoscrolling = FALSE;
4401 view->selection_info.selections = NULL;
4402 view->selection_info.in_selection = FALSE;
4403 view->selection_info.in_drag = FALSE;
4404 view->selection_mode = EV_VIEW_SELECTION_TEXT;
4405 view->continuous = TRUE;
4406 view->dual_page = FALSE;
4407 view->fullscreen = FALSE;
4408 view->sizing_mode = EV_SIZING_FIT_WIDTH;
4409 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4410 view->jump_to_find_result = TRUE;
4411 view->highlight_find_results = FALSE;
4413 gtk_layout_set_hadjustment (GTK_LAYOUT (view), NULL);
4414 gtk_layout_set_vadjustment (GTK_LAYOUT (view), NULL);
4420 ev_view_change_page (EvView *view,
4425 view->current_page = new_page;
4426 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4428 hide_loading_window (view);
4430 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4431 ev_view_handle_cursor_over_xy (view, x, y);
4433 gtk_widget_queue_resize (GTK_WIDGET (view));
4437 job_finished_cb (EvPixbufCache *pixbuf_cache,
4442 GdkWindow *bin_window;
4444 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
4445 gdk_window_invalidate_region (bin_window, region, TRUE);
4447 gtk_widget_queue_draw (GTK_WIDGET (view));
4452 ev_view_page_changed_cb (EvDocumentModel *model,
4457 if (!view->document)
4460 if (view->current_page != new_page) {
4461 ev_view_change_page (view, new_page);
4463 gtk_widget_queue_draw (GTK_WIDGET (view));
4466 view->find_result = 0;
4470 on_adjustment_value_changed (GtkAdjustment *adjustment,
4476 GList *children, *l;
4478 if (!gtk_widget_get_realized (GTK_WIDGET (view)))
4481 if (view->hadjustment) {
4482 value = (gint) gtk_adjustment_get_value (view->hadjustment);
4483 dx = view->scroll_x - value;
4484 view->scroll_x = value;
4489 if (view->vadjustment) {
4490 value = (gint) gtk_adjustment_get_value (view->vadjustment);
4491 dy = view->scroll_y - value;
4492 view->scroll_y = value;
4497 children = gtk_container_get_children (GTK_CONTAINER (view));
4498 for (l = children; l && l->data; l = g_list_next (l)) {
4499 gint child_x, child_y;
4500 GtkWidget *child = (GtkWidget *)l->data;
4502 gtk_container_child_get (GTK_CONTAINER (view),
4507 gtk_layout_move (GTK_LAYOUT (view), child, child_x + dx, child_y + dy);
4509 g_list_free (children);
4511 for (l = view->window_children; l && l->data; l = g_list_next (l)) {
4512 EvViewWindowChild *child;
4514 child = (EvViewWindowChild *)l->data;
4516 ev_view_window_child_move (view, child, child->x + dx, child->y + dy);
4519 if (view->pending_resize) {
4520 gtk_widget_queue_draw (GTK_WIDGET (view));
4522 GdkWindow *bin_window;
4524 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
4525 gdk_window_scroll (bin_window, dx, dy);
4528 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4529 ev_view_handle_cursor_over_xy (view, x, y);
4532 view_update_range_and_current_page (view);
4540 view = g_object_new (EV_TYPE_VIEW, NULL);
4546 setup_caches (EvView *view)
4548 gboolean inverted_colors;
4550 view->height_to_page_cache = ev_view_get_height_to_page_cache (view);
4551 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->model, view->pixbuf_cache_size);
4552 view->page_cache = ev_page_cache_new (view->document);
4553 inverted_colors = ev_document_model_get_inverted_colors (view->model);
4554 ev_pixbuf_cache_set_inverted_colors (view->pixbuf_cache, inverted_colors);
4555 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
4559 clear_caches (EvView *view)
4561 if (view->pixbuf_cache) {
4562 g_object_unref (view->pixbuf_cache);
4563 view->pixbuf_cache = NULL;
4566 if (view->page_cache) {
4567 g_object_unref (view->page_cache);
4568 view->page_cache = NULL;
4573 * ev_view_set_page_cache_size:
4577 * Sets the maximum size in bytes that will be used to cache
4578 * rendered pages. Use 0 to disable caching rendered pages.
4580 * Note that this limit doesn't affect the current visible page range,
4581 * which will always be rendered. In order to limit the total memory used
4582 * you have to use ev_document_model_set_max_scale() too.
4586 ev_view_set_page_cache_size (EvView *view,
4589 if (view->pixbuf_cache_size == cache_size)
4592 view->pixbuf_cache_size = cache_size;
4593 if (view->pixbuf_cache)
4594 ev_pixbuf_cache_set_max_size (view->pixbuf_cache, cache_size);
4598 ev_view_set_loading (EvView *view,
4601 if (view->loading && !loading)
4602 hide_loading_window (view);
4603 view->loading = loading;
4604 gtk_widget_queue_draw (GTK_WIDGET (view));
4608 ev_view_autoscroll_cb (EvView *view)
4610 gdouble speed, value;
4612 /* If the user stops autoscrolling, autoscrolling will be
4613 * set to false but the timeout will continue; stop the timeout: */
4614 if (!view->scroll_info.autoscrolling) {
4615 view->scroll_info.timeout_id = 0;
4619 if (view->scroll_info.last_y > view->scroll_info.start_y &&
4620 (view->scroll_info.last_y < view->scroll_info.start_y))
4623 /* Replace 100 with your speed of choice: The lower the faster.
4624 * Replace 3 with another speed of choice: The higher, the faster it accelerated
4625 * based on the distance of the starting point from the mouse
4626 * (All also effected by the timeout interval of this callback) */
4628 if (view->scroll_info.start_y > view->scroll_info.last_y)
4629 speed = -pow ((((gdouble)view->scroll_info.start_y - view->scroll_info.last_y) / 100), 3);
4631 speed = pow ((((gdouble)view->scroll_info.last_y - view->scroll_info.start_y) / 100), 3);
4633 value = gtk_adjustment_get_value (view->vadjustment);
4634 value = CLAMP (value + speed, 0,
4635 gtk_adjustment_get_upper (view->vadjustment) -
4636 gtk_adjustment_get_page_size (view->vadjustment));
4637 gtk_adjustment_set_value (view->vadjustment, value);
4644 ev_view_autoscroll_start (EvView *view)
4648 g_return_if_fail (EV_IS_VIEW (view));
4650 if (view->scroll_info.autoscrolling)
4653 view->scroll_info.autoscrolling = TRUE;
4654 view->scroll_info.timeout_id =
4655 g_timeout_add (20, (GSourceFunc)ev_view_autoscroll_cb,
4658 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4659 ev_view_handle_cursor_over_xy (view, x, y);
4663 ev_view_autoscroll_stop (EvView *view)
4667 g_return_if_fail (EV_IS_VIEW (view));
4669 if (!view->scroll_info.autoscrolling)
4672 view->scroll_info.autoscrolling = FALSE;
4673 if (view->scroll_info.timeout_id) {
4674 g_source_remove (view->scroll_info.timeout_id);
4675 view->scroll_info.timeout_id = 0;
4678 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4679 ev_view_handle_cursor_over_xy (view, x, y);
4683 ev_view_document_changed_cb (EvDocumentModel *model,
4687 EvDocument *document = ev_document_model_get_document (model);
4689 if (document != view->document) {
4692 clear_caches (view);
4694 if (view->document) {
4695 g_object_unref (view->document);
4698 view->document = document;
4699 view->find_result = 0;
4701 if (view->document) {
4702 view->loading = FALSE;
4703 g_object_ref (view->document);
4704 setup_caches (view);
4707 current_page = ev_document_model_get_page (model);
4708 if (view->current_page != current_page) {
4709 ev_view_change_page (view, current_page);
4711 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4712 gtk_widget_queue_resize (GTK_WIDGET (view));
4718 ev_view_rotation_changed_cb (EvDocumentModel *model,
4722 gint rotation = ev_document_model_get_rotation (model);
4724 view->rotation = rotation;
4726 if (view->pixbuf_cache) {
4727 ev_pixbuf_cache_clear (view->pixbuf_cache);
4728 if (!ev_document_is_page_size_uniform (view->document))
4729 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4730 gtk_widget_queue_resize (GTK_WIDGET (view));
4733 ev_view_remove_all (view);
4736 clear_selection (view);
4740 ev_view_inverted_colors_changed_cb (EvDocumentModel *model,
4744 if (view->pixbuf_cache) {
4745 gboolean inverted_colors;
4747 inverted_colors = ev_document_model_get_inverted_colors (model);
4748 ev_pixbuf_cache_set_inverted_colors (view->pixbuf_cache, inverted_colors);
4749 gtk_widget_queue_draw (GTK_WIDGET (view));
4754 ev_view_sizing_mode_changed_cb (EvDocumentModel *model,
4758 EvSizingMode mode = ev_document_model_get_sizing_mode (model);
4760 view->sizing_mode = mode;
4761 if (mode != EV_SIZING_FREE)
4762 gtk_widget_queue_resize (GTK_WIDGET (view));
4765 #define EPSILON 0.0000001
4767 ev_view_scale_changed_cb (EvDocumentModel *model,
4771 gdouble scale = ev_document_model_get_scale (model);
4773 if (ABS (view->scale - scale) < EPSILON)
4776 view->scale = scale;
4778 view->pending_resize = TRUE;
4779 if (view->sizing_mode == EV_SIZING_FREE)
4780 gtk_widget_queue_resize (GTK_WIDGET (view));
4784 ev_view_continuous_changed_cb (EvDocumentModel *model,
4788 gboolean continuous = ev_document_model_get_continuous (model);
4790 view->continuous = continuous;
4791 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4792 gtk_widget_queue_resize (GTK_WIDGET (view));
4796 ev_view_dual_page_changed_cb (EvDocumentModel *model,
4800 gboolean dual_page = ev_document_model_get_dual_page (model);
4802 view->dual_page = dual_page;
4803 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4804 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
4805 * preload_cache_size to be 2 if dual_page is set.
4807 gtk_widget_queue_resize (GTK_WIDGET (view));
4811 ev_view_fullscreen_changed_cb (EvDocumentModel *model,
4815 gboolean fullscreen = ev_document_model_get_fullscreen (model);
4817 view->fullscreen = fullscreen;
4818 gtk_widget_queue_resize (GTK_WIDGET (view));
4822 ev_view_set_model (EvView *view,
4823 EvDocumentModel *model)
4825 g_return_if_fail (EV_IS_VIEW (view));
4826 g_return_if_fail (EV_IS_DOCUMENT_MODEL (model));
4828 if (model == view->model)
4832 g_signal_handlers_disconnect_by_func (view->model,
4833 ev_view_document_changed_cb,
4835 g_signal_handlers_disconnect_by_func (view->model,
4836 ev_view_page_changed_cb,
4838 g_object_unref (view->model);
4840 view->model = g_object_ref (model);
4842 /* Initialize view from model */
4843 view->rotation = ev_document_model_get_rotation (view->model);
4844 view->sizing_mode = ev_document_model_get_sizing_mode (view->model);
4845 view->scale = ev_document_model_get_scale (view->model);
4846 view->continuous = ev_document_model_get_continuous (view->model);
4847 view->dual_page = ev_document_model_get_dual_page (view->model);
4848 view->fullscreen = ev_document_model_get_fullscreen (view->model);
4849 ev_view_document_changed_cb (view->model, NULL, view);
4851 g_signal_connect (view->model, "notify::document",
4852 G_CALLBACK (ev_view_document_changed_cb),
4854 g_signal_connect (view->model, "notify::rotation",
4855 G_CALLBACK (ev_view_rotation_changed_cb),
4857 g_signal_connect (view->model, "notify::inverted-colors",
4858 G_CALLBACK (ev_view_inverted_colors_changed_cb),
4860 g_signal_connect (view->model, "notify::sizing-mode",
4861 G_CALLBACK (ev_view_sizing_mode_changed_cb),
4863 g_signal_connect (view->model, "notify::scale",
4864 G_CALLBACK (ev_view_scale_changed_cb),
4866 g_signal_connect (view->model, "notify::continuous",
4867 G_CALLBACK (ev_view_continuous_changed_cb),
4869 g_signal_connect (view->model, "notify::dual-page",
4870 G_CALLBACK (ev_view_dual_page_changed_cb),
4872 g_signal_connect (view->model, "notify::fullscreen",
4873 G_CALLBACK (ev_view_fullscreen_changed_cb),
4875 g_signal_connect (view->model, "page-changed",
4876 G_CALLBACK (ev_view_page_changed_cb),
4881 ev_view_reload_page (EvView *view,
4885 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
4893 ev_view_reload (EvView *view)
4895 ev_pixbuf_cache_clear (view->pixbuf_cache);
4896 view_update_range_and_current_page (view);
4899 /*** Zoom and sizing mode ***/
4902 ev_view_can_zoom_in (EvView *view)
4904 return view->scale * ZOOM_IN_FACTOR <= ev_document_model_get_max_scale (view->model);
4908 ev_view_can_zoom_out (EvView *view)
4910 return view->scale * ZOOM_OUT_FACTOR >= ev_document_model_get_min_scale (view->model);
4914 ev_view_zoom_in (EvView *view)
4918 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
4920 view->pending_scroll = SCROLL_TO_CENTER;
4921 scale = ev_document_model_get_scale (view->model) * ZOOM_IN_FACTOR;
4922 ev_document_model_set_scale (view->model, scale);
4926 ev_view_zoom_out (EvView *view)
4930 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
4932 view->pending_scroll = SCROLL_TO_CENTER;
4933 scale = ev_document_model_get_scale (view->model) * ZOOM_OUT_FACTOR;
4934 ev_document_model_set_scale (view->model, scale);
4938 zoom_for_size_fit_width (gdouble doc_width,
4943 return (double)target_width / doc_width;
4947 zoom_for_size_fit_height (gdouble doc_width,
4952 return (double)target_height / doc_height;
4956 zoom_for_size_best_fit (gdouble doc_width,
4964 w_scale = (double)target_width / doc_width;
4965 h_scale = (double)target_height / doc_height;
4967 return MIN (w_scale, h_scale);
4971 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
4975 gdouble doc_width, doc_height;
4980 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
4981 if (view->rotation == 90 || view->rotation == 270) {
4985 doc_width = doc_height;
4989 compute_border (view, doc_width, doc_height, &border);
4992 width -= (2 * (border.left + border.right) + 3 * view->spacing);
4993 height -= (border.top + border.bottom + 2 * view->spacing - 1);
4995 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
4997 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
4998 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
4999 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5000 scale = zoom_for_size_best_fit (doc_width, doc_height, width - sb_size, height);
5002 g_assert_not_reached ();
5004 ev_document_model_set_scale (view->model, scale);
5008 ev_view_zoom_for_size_continuous (EvView *view,
5012 gdouble doc_width, doc_height;
5017 ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
5018 if (view->rotation == 90 || view->rotation == 270) {
5022 doc_width = doc_height;
5026 compute_border (view, doc_width, doc_height, &border);
5028 width -= (border.left + border.right + 2 * view->spacing);
5029 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5031 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5033 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5034 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5035 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5036 scale = zoom_for_size_best_fit (doc_width, doc_height, width - sb_size, height);
5038 g_assert_not_reached ();
5040 ev_document_model_set_scale (view->model, scale);
5044 ev_view_zoom_for_size_dual_page (EvView *view,
5049 gdouble doc_width, doc_height;
5053 other_page = view->current_page ^ 1;
5055 /* Find the largest of the two. */
5056 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5057 if (other_page < ev_document_get_n_pages (view->document)) {
5058 gdouble width_2, height_2;
5060 get_doc_page_size (view, other_page, &width_2, &height_2);
5061 if (width_2 > doc_width)
5062 doc_width = width_2;
5063 if (height_2 > doc_height)
5064 doc_height = height_2;
5066 compute_border (view, width, height, &border);
5068 doc_width = doc_width * 2;
5069 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
5070 height -= (border.top + border.bottom + 2 * view->spacing);
5072 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5075 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5076 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5077 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5078 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5080 g_assert_not_reached ();
5082 ev_document_model_set_scale (view->model, scale);
5086 ev_view_zoom_for_size_single_page (EvView *view,
5090 gdouble doc_width, doc_height;
5094 get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
5096 /* Get an approximate border */
5097 compute_border (view, width, height, &border);
5099 width -= (border.left + border.right + 2 * view->spacing);
5100 height -= (border.top + border.bottom + 2 * view->spacing);
5102 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
5105 sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
5106 scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
5107 } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5108 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
5110 g_assert_not_reached ();
5112 ev_document_model_set_scale (view->model, scale);
5116 ev_view_zoom_for_size (EvView *view,
5120 g_return_if_fail (EV_IS_VIEW (view));
5121 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
5122 view->sizing_mode == EV_SIZING_BEST_FIT);
5123 g_return_if_fail (width >= 0);
5124 g_return_if_fail (height >= 0);
5126 if (view->document == NULL)
5129 if (view->continuous && view->dual_page)
5130 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height);
5131 else if (view->continuous)
5132 ev_view_zoom_for_size_continuous (view, width, height);
5133 else if (view->dual_page)
5134 ev_view_zoom_for_size_dual_page (view, width, height);
5136 ev_view_zoom_for_size_single_page (view, width, height);
5141 ev_view_find_get_n_results (EvView *view, gint page)
5143 return view->find_pages ? g_list_length (view->find_pages[page]) : 0;
5146 static EvRectangle *
5147 ev_view_find_get_result (EvView *view, gint page, gint result)
5149 return view->find_pages ? (EvRectangle *) g_list_nth_data (view->find_pages[page], result) : NULL;
5153 jump_to_find_result (EvView *view)
5156 gint page = view->current_page;
5158 n_results = ev_view_find_get_n_results (view, page);
5160 if (n_results > 0 && view->find_result < n_results) {
5162 GdkRectangle view_rect;
5164 rect = ev_view_find_get_result (view, page, view->find_result);
5165 doc_rect_to_view_rect (view, page, rect, &view_rect);
5166 ensure_rectangle_is_visible (view, &view_rect);
5167 view->jump_to_find_result = FALSE;
5173 * @view: #EvView instance
5174 * @direction: Direction to look
5175 * @shift: Shift from current page
5177 * Jumps to the first page that has occurences of searched word.
5178 * Uses a direction where to look and a shift from current page.
5182 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
5186 n_pages = ev_document_get_n_pages (view->document);
5188 for (i = 0; i < n_pages; i++) {
5191 if (direction == EV_VIEW_FIND_NEXT)
5192 page = view->current_page + i;
5194 page = view->current_page - i;
5197 if (page >= n_pages) {
5198 page = page - n_pages;
5199 } else if (page < 0)
5200 page = page + n_pages;
5202 if (ev_view_find_get_n_results (view, page) > 0) {
5203 ev_document_model_set_page (view->model, page);
5210 ev_view_find_changed (EvView *view, GList **results, gint page)
5212 view->find_pages = results;
5214 if (view->jump_to_find_result == TRUE) {
5215 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
5216 jump_to_find_result (view);
5219 if (view->current_page == page)
5220 gtk_widget_queue_draw (GTK_WIDGET (view));
5224 ev_view_find_next (EvView *view)
5228 n_results = ev_view_find_get_n_results (view, view->current_page);
5229 view->find_result++;
5231 if (view->find_result >= n_results) {
5232 view->find_result = 0;
5233 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
5234 jump_to_find_result (view);
5236 jump_to_find_result (view);
5237 gtk_widget_queue_draw (GTK_WIDGET (view));
5242 ev_view_find_previous (EvView *view)
5244 view->find_result--;
5246 if (view->find_result < 0) {
5247 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
5248 view->find_result = MAX (0, ev_view_find_get_n_results (view, view->current_page) - 1);
5249 jump_to_find_result (view);
5251 jump_to_find_result (view);
5252 gtk_widget_queue_draw (GTK_WIDGET (view));
5257 ev_view_find_search_changed (EvView *view)
5259 /* search string has changed, focus on new search result */
5260 view->jump_to_find_result = TRUE;
5261 view->find_pages = NULL;
5265 ev_view_find_set_highlight_search (EvView *view, gboolean value)
5267 view->highlight_find_results = value;
5268 gtk_widget_queue_draw (GTK_WIDGET (view));
5272 ev_view_find_cancel (EvView *view)
5274 view->find_pages = NULL;
5277 /*** Selections ***/
5279 /* compute_new_selection_rect/text calculates the area currently selected by
5280 * view_rect. each handles a different mode;
5283 compute_new_selection_rect (EvView *view,
5287 GdkRectangle view_rect;
5291 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
5293 view_rect.x = MIN (start->x, stop->x);
5294 view_rect.y = MIN (start->y, stop->y);
5295 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
5296 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
5298 n_pages = ev_document_get_n_pages (view->document);
5300 for (i = 0; i < n_pages; i++) {
5301 GdkRectangle page_area;
5304 if (ev_view_get_page_extents (view, i, &page_area, &border)) {
5305 GdkRectangle overlap;
5307 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
5308 EvViewSelection *selection;
5310 selection = g_new0 (EvViewSelection, 1);
5311 selection->page = i;
5312 view_rect_to_doc_rect (view, &overlap, &page_area,
5313 &(selection->rect));
5315 list = g_list_append (list, selection);
5324 gdk_rectangle_point_in (GdkRectangle *rectangle,
5327 return rectangle->x <= point->x &&
5328 rectangle->y <= point->y &&
5329 point->x < rectangle->x + rectangle->width &&
5330 point->y < rectangle->y + rectangle->height;
5334 compute_new_selection_text (EvView *view,
5335 EvSelectionStyle style,
5339 int n_pages, i, first, last;
5341 EvViewSelection *selection;
5342 gdouble width, height;
5343 int start_page, end_page;
5345 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
5347 n_pages = ev_document_get_n_pages (view->document);
5349 /* First figure out the range of pages the selection
5353 if (view->continuous) {
5356 } else if (view->dual_page) {
5357 start_page = view->start_page;
5358 end_page = view->end_page + 1;
5360 start_page = view->current_page;
5361 end_page = view->current_page + 1;
5364 for (i = start_page; i < end_page; i++) {
5365 GdkRectangle page_area;
5368 ev_view_get_page_extents (view, i, &page_area, &border);
5369 if (gdk_rectangle_point_in (&page_area, start) ||
5370 gdk_rectangle_point_in (&page_area, stop)) {
5371 if (first == n_pages)
5378 /* Now create a list of EvViewSelection's for the affected
5379 * pages. This could be an empty list, a list of just one
5380 * page or a number of pages.*/
5381 for (i = first; i < last + 1; i++) {
5382 GdkRectangle page_area;
5386 get_doc_page_size (view, i, &width, &height);
5388 selection = g_new0 (EvViewSelection, 1);
5389 selection->page = i;
5390 selection->style = style;
5391 selection->rect.x1 = selection->rect.y1 = 0;
5392 selection->rect.x2 = width;
5393 selection->rect.y2 = height;
5395 ev_view_get_page_extents (view, i, &page_area, &border);
5397 if (gdk_rectangle_point_in (&page_area, start))
5403 view_point_to_doc_point (view, point, &page_area,
5404 &selection->rect.x1,
5405 &selection->rect.y1);
5407 /* If the selection is contained within just one page,
5408 * make sure we don't write 'start' into both points
5409 * in selection->rect. */
5414 view_point_to_doc_point (view, point, &page_area,
5415 &selection->rect.x2,
5416 &selection->rect.y2);
5418 list = g_list_append (list, selection);
5424 /* This function takes the newly calculated list, and figures out which regions
5425 * have changed. It then queues a redraw approporiately.
5428 merge_selection_region (EvView *view,
5432 GList *new_list_ptr, *old_list_ptr;
5434 /* Update the selection */
5435 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
5436 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5437 g_list_free (view->selection_info.selections);
5438 view->selection_info.selections = new_list;
5439 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
5440 g_signal_emit (view, signals[SIGNAL_SELECTION_CHANGED], 0, NULL);
5442 new_list_ptr = new_list;
5443 old_list_ptr = old_list;
5445 while (new_list_ptr || old_list_ptr) {
5446 EvViewSelection *old_sel, *new_sel;
5448 GdkRegion *region = NULL;
5450 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
5451 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
5453 /* Assume that the lists are in order, and we run through them
5454 * comparing them, one page at a time. We come out with the
5455 * first page we see. */
5456 if (new_sel && old_sel) {
5457 if (new_sel->page < old_sel->page) {
5458 new_list_ptr = new_list_ptr->next;
5460 } else if (new_sel->page > old_sel->page) {
5461 old_list_ptr = old_list_ptr->next;
5464 new_list_ptr = new_list_ptr->next;
5465 old_list_ptr = old_list_ptr->next;
5467 } else if (new_sel) {
5468 new_list_ptr = new_list_ptr->next;
5469 } else if (old_sel) {
5470 old_list_ptr = old_list_ptr->next;
5473 g_assert (new_sel || old_sel);
5475 /* is the page we're looking at on the screen?*/
5476 cur_page = new_sel ? new_sel->page : old_sel->page;
5477 if (cur_page < view->start_page || cur_page > view->end_page)
5480 /* seed the cache with a new page. We are going to need the new
5483 GdkRegion *tmp_region = NULL;
5485 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
5490 if (tmp_region && !gdk_region_empty (tmp_region)) {
5491 new_sel->covered_region = gdk_region_copy (tmp_region);
5495 /* Now we figure out what needs redrawing */
5496 if (old_sel && new_sel) {
5497 if (old_sel->covered_region && new_sel->covered_region) {
5498 /* We only want to redraw the areas that have
5499 * changed, so we xor the old and new regions
5500 * and redraw if it's different */
5501 region = gdk_region_copy (old_sel->covered_region);
5502 gdk_region_xor (region, new_sel->covered_region);
5503 if (gdk_region_empty (region)) {
5504 gdk_region_destroy (region);
5507 } else if (old_sel->covered_region) {
5508 region = gdk_region_copy (old_sel->covered_region);
5509 } else if (new_sel->covered_region) {
5510 region = gdk_region_copy (new_sel->covered_region);
5512 } else if (old_sel && !new_sel) {
5513 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
5514 region = gdk_region_copy (old_sel->covered_region);
5516 } else if (!old_sel && new_sel) {
5517 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
5518 region = gdk_region_copy (new_sel->covered_region);
5521 g_assert_not_reached ();
5524 /* Redraw the damaged region! */
5526 GdkWindow *bin_window;
5527 GdkRectangle page_area;
5530 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
5532 /* I don't know why but the region is smaller
5533 * than expected. This hack fixes it, I guess
5534 * 10 pixels more won't hurt
5536 gdk_region_shrink (region, -5, -5);
5538 ev_view_get_page_extents (view, cur_page, &page_area, &border);
5539 gdk_region_offset (region,
5540 page_area.x + border.left - view->scroll_x,
5541 page_area.y + border.top - view->scroll_y);
5542 gdk_window_invalidate_region (bin_window, region, TRUE);
5543 gdk_region_destroy (region);
5547 /* Free the old list, now that we're done with it. */
5548 g_list_foreach (old_list, (GFunc) selection_free, NULL);
5549 g_list_free (old_list);
5553 compute_selections (EvView *view,
5554 EvSelectionStyle style,
5560 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
5561 list = compute_new_selection_rect (view, start, stop);
5563 list = compute_new_selection_text (view, style, start, stop);
5564 merge_selection_region (view, list);
5567 /* Free's the selection. It's up to the caller to queue redraws if needed.
5570 selection_free (EvViewSelection *selection)
5572 if (selection->covered_region)
5573 gdk_region_destroy (selection->covered_region);
5578 clear_selection (EvView *view)
5580 if (view->selection_info.selections) {
5581 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5582 g_list_free (view->selection_info.selections);
5583 view->selection_info.selections = NULL;
5585 g_signal_emit (view, signals[SIGNAL_SELECTION_CHANGED], 0, NULL);
5587 view->selection_info.in_selection = FALSE;
5588 if (view->pixbuf_cache)
5589 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
5593 ev_view_select_all (EvView *view)
5595 GList *selections = NULL;
5598 /* Disable selection on rotated pages for the 0.4.0 series */
5599 if (view->rotation != 0)
5602 clear_selection (view);
5604 n_pages = ev_document_get_n_pages (view->document);
5605 for (i = 0; i < n_pages; i++) {
5606 gdouble width, height;
5607 EvViewSelection *selection;
5609 get_doc_page_size (view, i, &width, &height);
5611 selection = g_new0 (EvViewSelection, 1);
5612 selection->page = i;
5613 selection->style = EV_SELECTION_STYLE_GLYPH;
5614 selection->rect.x1 = selection->rect.y1 = 0;
5615 selection->rect.x2 = width;
5616 selection->rect.y2 = height;
5618 selections = g_list_append (selections, selection);
5621 merge_selection_region (view, selections);
5622 gtk_widget_queue_draw (GTK_WIDGET (view));
5626 ev_view_get_has_selection (EvView *view)
5628 return view->selection_info.selections != NULL;
5632 get_selected_text (EvView *view)
5636 gchar *normalized_text;
5638 text = g_string_new (NULL);
5640 ev_document_doc_mutex_lock ();
5642 for (l = view->selection_info.selections; l != NULL; l = l->next) {
5643 EvViewSelection *selection = (EvViewSelection *)l->data;
5647 page = ev_document_get_page (view->document, selection->page);
5648 tmp = ev_selection_get_selected_text (EV_SELECTION (view->document),
5649 page, selection->style,
5650 &(selection->rect));
5651 g_object_unref (page);
5652 g_string_append (text, tmp);
5656 ev_document_doc_mutex_unlock ();
5658 normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC);
5659 g_string_free (text, TRUE);
5660 return normalized_text;
5664 ev_view_clipboard_copy (EvView *view,
5667 GtkClipboard *clipboard;
5669 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
5670 GDK_SELECTION_CLIPBOARD);
5671 gtk_clipboard_set_text (clipboard, text, -1);
5675 ev_view_copy (EvView *ev_view)
5679 if (!EV_IS_SELECTION (ev_view->document))
5682 text = get_selected_text (ev_view);
5683 ev_view_clipboard_copy (ev_view, text);
5688 ev_view_primary_get_cb (GtkClipboard *clipboard,
5689 GtkSelectionData *selection_data,
5693 EvView *ev_view = EV_VIEW (data);
5695 if (ev_view->link_selected) {
5696 gtk_selection_data_set_text (selection_data,
5697 ev_link_action_get_uri (ev_view->link_selected),
5699 } else if (EV_IS_SELECTION (ev_view->document) &&
5700 ev_view->selection_info.selections) {
5703 text = get_selected_text (ev_view);
5705 gtk_selection_data_set_text (selection_data, text, -1);
5712 ev_view_primary_clear_cb (GtkClipboard *clipboard,
5715 EvView *view = EV_VIEW (data);
5717 clear_selection (view);
5718 clear_link_selected (view);
5722 ev_view_update_primary_selection (EvView *ev_view)
5724 GtkClipboard *clipboard;
5726 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
5727 GDK_SELECTION_PRIMARY);
5729 if (ev_view->selection_info.selections || ev_view->link_selected) {
5730 GtkTargetList *target_list;
5731 GtkTargetEntry *targets;
5734 target_list = gtk_target_list_new (NULL, 0);
5735 gtk_target_list_add_text_targets (target_list, 0);
5736 targets = gtk_target_table_new_from_list (target_list, &n_targets);
5737 gtk_target_list_unref (target_list);
5739 if (!gtk_clipboard_set_with_owner (clipboard,
5741 ev_view_primary_get_cb,
5742 ev_view_primary_clear_cb,
5743 G_OBJECT (ev_view)))
5744 ev_view_primary_clear_cb (clipboard, ev_view);
5746 gtk_target_table_free (targets, n_targets);
5748 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
5749 gtk_clipboard_clear (clipboard);
5754 clear_link_selected (EvView *view)
5756 if (view->link_selected) {
5757 g_object_unref (view->link_selected);
5758 view->link_selected = NULL;
5763 ev_view_copy_link_address (EvView *view,
5764 EvLinkAction *action)
5766 clear_link_selected (view);
5768 ev_view_clipboard_copy (view, ev_link_action_get_uri (action));
5770 view->link_selected = g_object_ref (action);
5771 ev_view_update_primary_selection (view);
5774 /*** Cursor operations ***/
5776 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
5778 GdkCursor *cursor = NULL;
5780 GdkWindow *bin_window;
5782 if (view->cursor == new_cursor) {
5786 view->cursor = new_cursor;
5788 bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
5789 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
5790 cursor = ev_view_cursor_new (gtk_widget_get_display (widget), new_cursor);
5791 gdk_window_set_cursor (bin_window, cursor);
5794 gdk_cursor_unref (cursor);
5798 ev_view_hide_cursor (EvView *view)
5800 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
5804 ev_view_show_cursor (EvView *view)
5806 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
5810 ev_view_next_page (EvView *view)
5814 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5816 if (!view->document)
5819 page = ev_document_model_get_page (view->model);
5820 n_pages = ev_document_get_n_pages (view->document);
5822 if (view->dual_page)
5827 if (page < n_pages) {
5828 ev_document_model_set_page (view->model, page);
5830 } else if (view->dual_page && page == n_pages) {
5831 ev_document_model_set_page (view->model, page - 1);
5839 ev_view_previous_page (EvView *view)
5843 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5845 if (!view->document)
5848 page = ev_document_model_get_page (view->model);
5850 if (view->dual_page)
5856 ev_document_model_set_page (view->model, page);
5858 } else if (view->dual_page && page == -1) {
5859 ev_document_model_set_page (view->model, 0);