1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
2 /* this file is part of evince, a gnome document viewer
4 * Copyright (C) 2004 Red Hat, Inc
6 * Evince is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Evince is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
23 #include <gtk/gtkalignment.h>
24 #include <glib/gi18n.h>
25 #include <gtk/gtkbindings.h>
26 #include <gtk/gtkselection.h>
27 #include <gtk/gtkclipboard.h>
28 #include <gdk/gdkkeysyms.h>
29 #include <libgnomevfs/gnome-vfs-utils.h>
31 #include "ev-marshal.h"
33 #include "ev-view-private.h"
35 #include "ev-selection.h"
36 #include "ev-document-find.h"
37 #include "ev-document-misc.h"
39 #include "ev-job-queue.h"
40 #include "ev-page-cache.h"
41 #include "ev-pixbuf-cache.h"
42 #include "ev-tooltip.h"
44 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
45 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
46 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
64 SIGNAL_BINDING_ACTIVATED,
76 TARGET_TEXT_BUFFER_CONTENTS
79 static const GtkTargetEntry targets[] = {
80 { "STRING", 0, TARGET_STRING },
81 { "TEXT", 0, TARGET_TEXT },
82 { "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT },
83 { "UTF8_STRING", 0, TARGET_UTF8_STRING },
86 static guint signals[N_SIGNALS];
91 } EvViewFindDirection;
93 #define ZOOM_IN_FACTOR 1.2
94 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
96 #define MIN_SCALE 0.05409
99 #define SCROLL_TIME 150
102 static void scroll_to_current_page (EvView *view,
103 GtkOrientation orientation);
104 static void ev_view_set_scroll_adjustments (EvView *view,
105 GtkAdjustment *hadjustment,
106 GtkAdjustment *vadjustment);
107 static void view_update_range_and_current_page (EvView *view);
108 static void set_scroll_adjustment (EvView *view,
109 GtkOrientation orientation,
110 GtkAdjustment *adjustment);
111 static void ev_view_set_scroll_adjustments (EvView *view,
112 GtkAdjustment *hadjustment,
113 GtkAdjustment *vadjustment);
114 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
116 GdkModifierType modifiers,
117 GtkScrollType scroll,
118 gboolean horizontal);
119 static void ev_view_binding_activated (EvView *view,
120 GtkScrollType scroll,
121 gboolean horizontal);
122 static void ensure_rectangle_is_visible (EvView *view,
125 /*** Geometry computations ***/
126 static void compute_border (EvView *view,
130 static void get_page_y_offset (EvView *view,
134 static gboolean get_page_extents (EvView *view,
136 GdkRectangle *page_area,
138 static void view_rect_to_doc_rect (EvView *view,
139 GdkRectangle *view_rect,
140 GdkRectangle *page_area,
141 EvRectangle *doc_rect);
142 static void doc_rect_to_view_rect (EvView *view,
144 EvRectangle *doc_rect,
145 GdkRectangle *view_rect);
146 static void find_page_at_location (EvView *view,
152 static gboolean doc_point_to_view_point (EvView *view,
155 GdkPoint *view_point);
157 static EvLink * ev_view_get_link_at_location (EvView *view,
160 static char* tip_from_link (EvView *view,
162 static void handle_link_over_xy (EvView *view,
165 /*** GtkWidget implementation ***/
166 static void ev_view_size_request_continuous_dual_page (EvView *view,
167 GtkRequisition *requisition);
168 static void ev_view_size_request_continuous (EvView *view,
169 GtkRequisition *requisition);
170 static void ev_view_size_request_dual_page (EvView *view,
171 GtkRequisition *requisition);
172 static void ev_view_size_request_single_page (EvView *view,
173 GtkRequisition *requisition);
174 static void ev_view_size_request (GtkWidget *widget,
175 GtkRequisition *requisition);
176 static void ev_view_size_allocate (GtkWidget *widget,
177 GtkAllocation *allocation);
178 static void ev_view_realize (GtkWidget *widget);
179 static gboolean ev_view_scroll_event (GtkWidget *widget,
180 GdkEventScroll *event);
181 static gboolean ev_view_expose_event (GtkWidget *widget,
182 GdkEventExpose *event);
183 static gboolean ev_view_popup_menu (GtkWidget *widget);
184 static gboolean ev_view_button_press_event (GtkWidget *widget,
185 GdkEventButton *event);
186 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
187 GdkEventMotion *event);
188 static gboolean ev_view_button_release_event (GtkWidget *widget,
189 GdkEventButton *event);
190 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
191 GdkEventCrossing *event);
192 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
193 GdkEventCrossing *event);
194 static void ev_view_style_set (GtkWidget *widget,
195 GtkStyle *old_style);
197 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
200 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
201 static void draw_rubberband (GtkWidget *widget,
203 const GdkRectangle *rect,
205 static void highlight_find_results (EvView *view,
207 static void draw_one_page (EvView *view,
209 GdkRectangle *page_area,
211 GdkRectangle *expose_area);
212 static void draw_loading_text (EvView *view,
213 GdkRectangle *page_area,
214 GdkRectangle *expose_area);
217 static void find_changed_cb (EvDocument *document,
220 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
222 static void page_changed_cb (EvPageCache *page_cache,
225 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
229 static void ev_view_finalize (GObject *object);
230 static void ev_view_destroy (GtkObject *object);
231 static void ev_view_set_property (GObject *object,
235 static void ev_view_get_property (GObject *object,
239 static void ev_view_class_init (EvViewClass *class);
240 static void ev_view_init (EvView *view);
242 /*** Zoom and sizing ***/
243 static double zoom_for_size_fit_width (int doc_width,
248 static double zoom_for_size_fit_height (int doc_width,
253 static double zoom_for_size_best_fit (int doc_width,
259 static void ev_view_zoom_for_size_presentation (EvView *view,
262 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
267 static void ev_view_zoom_for_size_continuous (EvView *view,
272 static void ev_view_zoom_for_size_dual_page (EvView *view,
277 static void ev_view_zoom_for_size_single_page (EvView *view,
283 static GdkCursor* ev_view_create_invisible_cursor (void);
284 static void ev_view_set_cursor (EvView *view,
285 EvViewCursor new_cursor);
287 /*** Status messages ***/
288 static void ev_view_set_status (EvView *view,
289 const char *message);
290 static void update_find_status_message (EvView *view,
292 static void ev_view_set_find_status (EvView *view,
293 const char *message);
295 static void jump_to_find_result (EvView *view);
296 static void jump_to_find_page (EvView *view,
297 EvViewFindDirection direction,
301 static void compute_selections (EvView *view,
304 static void clear_selection (EvView *view);
305 static void selection_free (EvViewSelection *selection);
306 static char* get_selected_text (EvView *ev_view);
307 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
308 GtkSelectionData *selection_data,
311 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
313 static void ev_view_update_primary_selection (EvView *ev_view);
316 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_WIDGET)
319 scroll_to_current_page (EvView *view, GtkOrientation orientation)
323 if (view->document == NULL) {
327 doc_point_to_view_point (view, view->current_page, &view->pending_point, &view_point);
329 if (orientation == GTK_ORIENTATION_VERTICAL) {
330 view->pending_point.y = 0;
332 view->pending_point.x = 0;
335 if (orientation == GTK_ORIENTATION_VERTICAL) {
336 if (view->continuous) {
337 gtk_adjustment_clamp_page (view->vadjustment,
338 view_point.y - view->spacing / 2,
339 view_point.y + view->vadjustment->page_size);
341 gtk_adjustment_set_value (view->vadjustment,
343 view->vadjustment->lower,
344 view->vadjustment->upper -
345 view->vadjustment->page_size));
348 if (view->dual_page) {
349 gtk_adjustment_clamp_page (view->hadjustment,
351 view_point.x + view->hadjustment->page_size);
353 gtk_adjustment_set_value (view->hadjustment,
355 view->hadjustment->lower,
356 view->hadjustment->upper -
357 view->hadjustment->page_size));
363 view_set_adjustment_values (EvView *view,
364 GtkOrientation orientation)
366 GtkWidget *widget = GTK_WIDGET (view);
367 GtkAdjustment *adjustment;
374 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
375 requisition = widget->requisition.width;
376 allocation = widget->allocation.width;
377 adjustment = view->hadjustment;
379 requisition = widget->requisition.height;
380 allocation = widget->allocation.height;
381 adjustment = view->vadjustment;
388 switch (view->pending_scroll) {
389 case SCROLL_TO_KEEP_POSITION:
390 factor = (adjustment->value) / adjustment->upper;
392 case SCROLL_TO_PAGE_POSITION:
394 case SCROLL_TO_CENTER:
395 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
399 adjustment->page_size = allocation;
400 adjustment->step_increment = allocation * 0.1;
401 adjustment->page_increment = allocation * 0.9;
402 adjustment->lower = 0;
403 adjustment->upper = MAX (allocation, requisition);
406 * We add 0.5 to the values before to average out our rounding errors.
408 switch (view->pending_scroll) {
409 case SCROLL_TO_KEEP_POSITION:
410 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
411 gtk_adjustment_set_value (adjustment, (int)new_value);
413 case SCROLL_TO_PAGE_POSITION:
414 scroll_to_current_page (view, orientation);
416 case SCROLL_TO_CENTER:
417 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
418 0, adjustment->upper - adjustment->page_size);
419 gtk_adjustment_set_value (adjustment, (int)new_value);
423 gtk_adjustment_changed (adjustment);
427 view_update_range_and_current_page (EvView *view)
431 if (view->pending_scroll != SCROLL_TO_KEEP_POSITION)
434 /* Presentation trumps all other modes */
435 if (view->presentation) {
436 view->start_page = view->current_page;
437 view->end_page = view->current_page;
438 } else if (view->continuous) {
439 GdkRectangle current_area, unused, page_area;
441 gboolean found = FALSE;
444 if (!(view->vadjustment && view->hadjustment))
447 current_area.x = view->hadjustment->value;
448 current_area.width = view->hadjustment->upper;
449 current_area.y = view->vadjustment->value;
450 current_area.height = view->vadjustment->page_size;
452 for (i = 0; i < ev_page_cache_get_n_pages (view->page_cache); i++) {
454 get_page_extents (view, i, &page_area, &border);
456 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
458 view->start_page = i;
469 if (view->dual_page) {
470 if (view->current_page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) {
471 view->start_page = view->current_page;
472 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache))
473 view->end_page = view->start_page + 1;
475 view->end_page = view->start_page;
477 if (view->current_page - 1 < 0)
478 view->start_page = view->current_page;
480 view->start_page = view->current_page - 1;
481 view->end_page = view->current_page;
484 view->start_page = view->current_page;
485 view->end_page = view->current_page;
490 current_page = ev_page_cache_get_current_page (view->page_cache);
492 if (current_page < view->start_page || current_page > view->end_page) {
493 ev_page_cache_set_current_page (view->page_cache, view->start_page);
496 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
501 view->selection_info.selections);
505 set_scroll_adjustment (EvView *view,
506 GtkOrientation orientation,
507 GtkAdjustment *adjustment)
509 GtkAdjustment **to_set;
511 if (orientation == GTK_ORIENTATION_HORIZONTAL)
512 to_set = &view->hadjustment;
514 to_set = &view->vadjustment;
516 if (*to_set != adjustment) {
518 g_signal_handlers_disconnect_by_func (*to_set,
519 (gpointer) on_adjustment_value_changed,
521 g_object_unref (*to_set);
524 *to_set = adjustment;
525 view_set_adjustment_values (view, orientation);
528 g_object_ref (*to_set);
529 g_signal_connect (*to_set, "value_changed",
530 G_CALLBACK (on_adjustment_value_changed), view);
536 ev_view_set_scroll_adjustments (EvView *view,
537 GtkAdjustment *hadjustment,
538 GtkAdjustment *vadjustment)
540 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
541 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
543 on_adjustment_value_changed (NULL, view);
547 add_scroll_binding_keypad (GtkBindingSet *binding_set,
549 GdkModifierType modifiers,
550 GtkScrollType scroll,
553 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
555 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
556 "binding_activated", 2,
557 GTK_TYPE_SCROLL_TYPE, scroll,
558 G_TYPE_BOOLEAN, horizontal);
559 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
560 "binding_activated", 2,
561 GTK_TYPE_SCROLL_TYPE, scroll,
562 G_TYPE_BOOLEAN, horizontal);
566 ev_view_scroll (EvView *view,
569 GtkAdjustment *adjustment;
570 double value, increment;
571 gboolean first_page = FALSE;
572 gboolean last_page = FALSE;
574 /* Assign values for increment and vertical adjustment */
575 adjustment = view->vadjustment;
576 increment = adjustment->page_size * 0.75;
577 value = adjustment->value;
579 /* Assign boolean for first and last page */
580 if (view->current_page == 0)
582 if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1)
586 case EV_SCROLL_PAGE_BACKWARD:
587 /* Do not jump backwards if at the first page */
588 if (value == (adjustment->lower) && first_page) {
590 /* At the top of a page, assign the upper bound limit of previous page */
591 } else if (value == (adjustment->lower)) {
592 value = adjustment->upper - adjustment->page_size;
593 ev_view_previous_page (view);
594 /* Jump to the top */
596 value = MAX (value - increment, adjustment->lower);
599 case EV_SCROLL_PAGE_FORWARD:
600 /* Do not jump forward if at the last page */
601 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
603 /* At the bottom of a page, assign the lower bound limit of next page */
604 } else if (value == (adjustment->upper - adjustment->page_size)) {
606 ev_view_next_page (view);
607 /* Jump to the bottom */
609 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
616 gtk_adjustment_set_value (adjustment, value);
620 ev_view_binding_activated (EvView *view,
621 GtkScrollType scroll,
624 GtkAdjustment *adjustment;
627 if (view->presentation) {
629 case GTK_SCROLL_STEP_BACKWARD:
630 ev_view_previous_page (view);
632 case GTK_SCROLL_STEP_FORWARD:
633 ev_view_next_page (view);
642 adjustment = view->hadjustment;
644 adjustment = view->vadjustment;
647 value = adjustment->value;
650 case GTK_SCROLL_STEP_BACKWARD:
651 value -= adjustment->step_increment;
653 case GTK_SCROLL_STEP_FORWARD:
654 value += adjustment->step_increment;
656 case GTK_SCROLL_STEP_DOWN:
657 value -= adjustment->step_increment/10;
659 case GTK_SCROLL_STEP_UP:
660 value += adjustment->step_increment/10;
666 value = CLAMP (value, adjustment->lower,
667 adjustment->upper - adjustment->page_size);
669 gtk_adjustment_set_value (adjustment, value);
675 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
677 GtkWidget *widget = GTK_WIDGET (view);
678 GtkAdjustment *adjustment;
681 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
683 adjustment = view->vadjustment;
685 if (rect->y < adjustment->value) {
686 value = MAX (adjustment->lower, rect->y - MARGIN);
687 gtk_adjustment_set_value (view->vadjustment, value);
688 } else if (rect->y + rect->height >
689 adjustment->value + widget->allocation.height) {
690 value = MIN (adjustment->upper, rect->y + rect->height -
691 widget->allocation.height + MARGIN);
692 gtk_adjustment_set_value (view->vadjustment, value);
695 adjustment = view->hadjustment;
697 if (rect->x < adjustment->value) {
698 value = MAX (adjustment->lower, rect->x - MARGIN);
699 gtk_adjustment_set_value (view->hadjustment, value);
700 } else if (rect->x + rect->height >
701 adjustment->value + widget->allocation.width) {
702 value = MIN (adjustment->upper, rect->x + rect->width -
703 widget->allocation.width + MARGIN);
704 gtk_adjustment_set_value (view->hadjustment, value);
708 /*** Geometry computations ***/
711 compute_border (EvView *view, int width, int height, GtkBorder *border)
713 if (view->presentation) {
719 ev_document_misc_get_page_border_size (width, height, border);
724 get_page_y_offset (EvView *view, int page, double zoom, int *y_offset)
726 int max_width, offset;
729 g_return_if_fail (y_offset != NULL);
731 ev_page_cache_get_max_width (view->page_cache, view->rotation, zoom, &max_width);
733 compute_border (view, max_width, max_width, &border);
735 if (view->dual_page) {
736 ev_page_cache_get_height_to_page (view->page_cache, page,
737 view->rotation, zoom, NULL, &offset);
738 offset += ((page + ev_page_cache_get_dual_even_left (view->page_cache)) / 2 + 1) * view->spacing + ((page + ev_page_cache_get_dual_even_left (view->page_cache)) / 2 ) * (border.top + border.bottom);
740 ev_page_cache_get_height_to_page (view->page_cache, page,
741 view->rotation, zoom, &offset, NULL);
742 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
750 get_page_extents (EvView *view,
752 GdkRectangle *page_area,
758 widget = GTK_WIDGET (view);
760 /* Get the size of the page */
761 ev_page_cache_get_size (view->page_cache, page,
765 compute_border (view, width, height, border);
766 page_area->width = width + border->left + border->right;
767 page_area->height = height + border->top + border->bottom;
769 if (view->presentation) {
770 page_area->x = (MAX (0, widget->allocation.width - width))/2;
771 page_area->y = (MAX (0, widget->allocation.height - height))/2;
772 } else if (view->continuous) {
776 ev_page_cache_get_max_width (view->page_cache, view->rotation,
777 view->scale, &max_width);
778 max_width = max_width + border->left + border->right;
779 /* Get the location of the bounding box */
780 if (view->dual_page) {
781 x = view->spacing + ((page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? 0 : 1) * (max_width + view->spacing);
782 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
783 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
784 x = x + (max_width - width - border->left - border->right);
787 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
790 get_page_y_offset (view, page, view->scale, &y);
796 if (view->dual_page) {
797 gint width_2, height_2;
798 gint max_width = width;
799 gint max_height = height;
800 GtkBorder overall_border;
803 other_page = (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? page + 1: page - 1;
805 /* First, we get the bounding box of the two pages */
806 if (other_page < ev_page_cache_get_n_pages (view->page_cache)
807 && (0 <= other_page)) {
808 ev_page_cache_get_size (view->page_cache,
812 &width_2, &height_2);
815 if (height_2 > height)
816 max_height = height_2;
818 compute_border (view, max_width, max_height, &overall_border);
820 /* Find the offsets */
824 /* Adjust for being the left or right page */
825 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
826 x = x + max_width - width;
828 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
830 y = y + (max_height - height)/2;
832 /* Adjust for extra allocation */
833 x = x + MAX (0, widget->allocation.width -
834 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
835 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
840 /* Adjust for extra allocation */
841 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
842 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
853 view_point_to_doc_point (EvView *view,
854 GdkPoint *view_point,
855 GdkRectangle *page_area,
859 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
860 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
864 view_rect_to_doc_rect (EvView *view,
865 GdkRectangle *view_rect,
866 GdkRectangle *page_area,
867 EvRectangle *doc_rect)
869 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
870 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
871 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
872 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
876 doc_point_to_view_point (EvView *view,
879 GdkPoint *view_point)
881 GdkRectangle page_area;
883 double x, y, view_x, view_y;
886 ev_page_cache_get_size (view->page_cache, page,
891 if (view->rotation == 0) {
894 } else if (view->rotation == 90) {
895 x = width - doc_point->y;
897 } else if (view->rotation == 180) {
898 x = width - doc_point->x;
899 y = height - doc_point->y;
900 } else if (view->rotation == 270) {
902 y = height - doc_point->x;
904 g_assert_not_reached ();
907 get_page_extents (view, page, &page_area, &border);
909 view_x = x * view->scale;
910 view_y = y * view->scale;
911 view_point->x = view_x + page_area.x;
912 view_point->y = view_y + page_area.y;
914 return (view_x > 0 && view_x <= page_area.width &&
915 view_y > 0 && view_y <= page_area.height);
919 doc_rect_to_view_rect (EvView *view,
921 EvRectangle *doc_rect,
922 GdkRectangle *view_rect)
924 GdkRectangle page_area;
929 ev_page_cache_get_size (view->page_cache, page,
934 if (view->rotation == 0) {
937 w = doc_rect->x2 - doc_rect->x1;
938 h = doc_rect->y2 - doc_rect->y1;
939 } else if (view->rotation == 90) {
940 x = width - doc_rect->y2;
942 w = doc_rect->y2 - doc_rect->y1;
943 h = doc_rect->x2 - doc_rect->x1;
944 } else if (view->rotation == 180) {
945 x = width - doc_rect->x2;
946 y = height - doc_rect->y2;
947 w = doc_rect->x2 - doc_rect->x1;
948 h = doc_rect->y2 - doc_rect->y1;
949 } else if (view->rotation == 270) {
951 y = height - doc_rect->x2;
952 w = doc_rect->y2 - doc_rect->y1;
953 h = doc_rect->x2 - doc_rect->x1;
955 g_assert_not_reached ();
958 get_page_extents (view, page, &page_area, &border);
960 view_rect->x = x * view->scale + page_area.x;
961 view_rect->y = y * view->scale + page_area.y;
962 view_rect->width = w * view->scale;
963 view_rect->height = h * view->scale;
967 find_page_at_location (EvView *view,
976 if (view->document == NULL)
983 for (i = view->start_page; i <= view->end_page; i++) {
984 GdkRectangle page_area;
987 if (! get_page_extents (view, i, &page_area, &border))
990 if ((x >= page_area.x + border.left) &&
991 (x < page_area.x + page_area.width - border.right) &&
992 (y >= page_area.y + border.top) &&
993 (y < page_area.y + page_area.height - border.bottom)) {
995 *x_offset = x - (page_area.x + border.left);
996 *y_offset = y - (page_area.y + border.top);
1005 location_in_text (EvView *view,
1011 gint x_offset = 0, y_offset = 0;
1013 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1018 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
1021 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1027 ev_view_get_width (EvView *view)
1029 return GTK_WIDGET (view)->allocation.width;
1033 ev_view_get_height (EvView *view)
1035 return GTK_WIDGET (view)->allocation.height;
1039 location_in_selected_text (EvView *view,
1044 gint x_offset = 0, y_offset = 0;
1045 EvViewSelection *selection;
1048 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1049 selection = (EvViewSelection *)l->data;
1051 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1053 if (page != selection->page)
1056 if (selection->covered_region &&
1057 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1066 ev_view_get_link_at_location (EvView *view,
1071 gint x_offset = 0, y_offset = 0;
1072 GList *link_mapping;
1074 x += view->scroll_x;
1075 y += view->scroll_y;
1077 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1082 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1085 return ev_link_mapping_find (link_mapping, x_offset / view->scale, y_offset / view->scale);
1091 goto_fitr_link (EvView *view, EvLink *link)
1097 zoom = zoom_for_size_best_fit (ev_link_get_right (link) - ev_link_get_left (link),
1098 ev_link_get_top (link) - ev_link_get_bottom (link),
1099 ev_view_get_width (view),
1100 ev_view_get_height (view), 0, 0);
1102 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1103 ev_view_set_zoom (view, zoom, FALSE);
1105 page = ev_link_get_page (link);
1106 doc_point.x = ev_link_get_left (link);
1107 doc_point.y = ev_link_get_top (link);
1109 view->current_page = page;
1110 view->pending_point = doc_point;
1111 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1113 gtk_widget_queue_resize (GTK_WIDGET (view));
1117 goto_fitv_link (EvView *view, EvLink *link)
1120 int doc_width, doc_height, page;
1123 page = ev_link_get_page (link);
1124 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1126 doc_point.x = ev_link_get_left (link);
1129 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1130 ev_view_get_width (view),
1131 ev_view_get_height (view), 0);
1133 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1134 ev_view_set_zoom (view, zoom, FALSE);
1136 view->current_page = page;
1137 view->pending_point = doc_point;
1138 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1140 gtk_widget_queue_resize (GTK_WIDGET (view));
1144 goto_fith_link (EvView *view, EvLink *link)
1147 int doc_width, doc_height, page;
1150 page = ev_link_get_page (link);
1151 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1154 doc_point.y = doc_height - ev_link_get_top (link);
1156 zoom = zoom_for_size_fit_width (doc_width, ev_link_get_top (link),
1157 ev_view_get_width (view),
1158 ev_view_get_height (view), 0);
1160 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1161 ev_view_set_zoom (view, zoom, FALSE);
1163 view->current_page = page;
1164 view->pending_point = doc_point;
1165 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1167 gtk_widget_queue_resize (GTK_WIDGET (view));
1171 goto_fit_link (EvView *view, EvLink *link)
1174 int doc_width, doc_height;
1177 page = ev_link_get_page (link);
1178 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1180 zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view),
1181 ev_view_get_height (view), 0, 0);
1183 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1184 ev_view_set_zoom (view, zoom, FALSE);
1186 view->current_page = page;
1187 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1189 gtk_widget_queue_resize (GTK_WIDGET (view));
1193 goto_xyz_link (EvView *view, EvLink *link)
1199 zoom = ev_link_get_zoom (link);
1200 page = ev_link_get_page (link);
1201 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, NULL, &height);
1204 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1205 ev_view_set_zoom (view, zoom, FALSE);
1208 doc_point.x = ev_link_get_left (link);
1209 doc_point.y = height - ev_link_get_top (link);
1211 view->current_page = page;
1212 view->pending_point = doc_point;
1213 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1215 gtk_widget_queue_resize (GTK_WIDGET (view));
1219 ev_view_goto_link (EvView *view, EvLink *link)
1224 type = ev_link_get_link_type (link);
1227 case EV_LINK_TYPE_TITLE:
1229 case EV_LINK_TYPE_PAGE:
1230 page = ev_link_get_page (link);
1231 ev_page_cache_set_current_page (view->page_cache, page);
1233 case EV_LINK_TYPE_PAGE_FIT:
1234 goto_fit_link (view, link);
1236 case EV_LINK_TYPE_PAGE_FITH:
1237 goto_fith_link (view, link);
1239 case EV_LINK_TYPE_PAGE_FITV:
1240 goto_fitv_link (view, link);
1242 case EV_LINK_TYPE_PAGE_FITR:
1243 goto_fitr_link (view, link);
1245 case EV_LINK_TYPE_PAGE_XYZ:
1246 goto_xyz_link (view, link);
1248 case EV_LINK_TYPE_EXTERNAL_URI:
1249 case EV_LINK_TYPE_LAUNCH:
1250 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, link);
1256 tip_from_link (EvView *view, EvLink *link)
1262 type = ev_link_get_link_type (link);
1265 case EV_LINK_TYPE_TITLE:
1266 if (ev_link_get_title (link))
1267 msg = g_strdup (ev_link_get_title (link));
1269 case EV_LINK_TYPE_PAGE:
1270 case EV_LINK_TYPE_PAGE_XYZ:
1271 page_label = ev_page_cache_get_page_label (view->page_cache, ev_link_get_page (link));
1272 msg = g_strdup_printf (_("Go to page %s"), page_label);
1273 g_free (page_label);
1275 case EV_LINK_TYPE_EXTERNAL_URI:
1276 msg = g_strdup (ev_link_get_uri (link));
1286 handle_link_over_xy (EvView *view, gint x, gint y)
1290 link = ev_view_get_link_at_location (view, x, y);
1292 if (view->link_tooltip == NULL) {
1293 view->link_tooltip = ev_tooltip_new (GTK_WIDGET (view));
1296 if (view->hovered_link != link) {
1297 view->hovered_link = link;
1298 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
1302 char *msg = tip_from_link (view, link);
1304 if (msg && g_utf8_validate (msg, -1, NULL)) {
1305 EvTooltip *tooltip = EV_TOOLTIP (view->link_tooltip);
1307 ev_tooltip_set_position (tooltip, x, y);
1308 ev_tooltip_set_text (tooltip, msg);
1309 ev_tooltip_activate (tooltip);
1313 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1314 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1315 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1317 ev_view_set_status (view, NULL);
1318 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1319 view->cursor == EV_VIEW_CURSOR_IBEAM)
1320 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1325 /*** GtkWidget implementation ***/
1328 ev_view_size_request_continuous_dual_page (EvView *view,
1329 GtkRequisition *requisition)
1335 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1336 view->scale, &max_width);
1337 compute_border (view, max_width, max_width, &border);
1339 n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1;
1341 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
1342 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1344 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1345 requisition->width = 1;
1346 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1347 requisition->width = 1;
1348 /* FIXME: This could actually be set on one page docs or docs
1349 * with a strange aspect ratio. */
1350 /* requisition->height = 1;*/
1355 ev_view_size_request_continuous (EvView *view,
1356 GtkRequisition *requisition)
1363 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1364 view->scale, &max_width);
1365 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1366 compute_border (view, max_width, max_width, &border);
1368 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
1369 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1371 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1372 requisition->width = 1;
1373 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1374 requisition->width = 1;
1375 /* FIXME: This could actually be set on one page docs or docs
1376 * with a strange aspect ratio. */
1377 /* requisition->height = 1;*/
1382 ev_view_size_request_dual_page (EvView *view,
1383 GtkRequisition *requisition)
1388 /* Find the largest of the two. */
1389 ev_page_cache_get_size (view->page_cache,
1394 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) {
1395 gint width_2, height_2;
1396 ev_page_cache_get_size (view->page_cache,
1397 view->current_page + 1,
1400 &width_2, &height_2);
1401 if (width_2 > width) {
1406 compute_border (view, width, height, &border);
1408 requisition->width = ((width + border.left + border.right) * 2) +
1409 (view->spacing * 3);
1410 requisition->height = (height + border.top + border.bottom) +
1411 (view->spacing * 2);
1413 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1414 requisition->width = 1;
1415 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1416 requisition->width = 1;
1417 requisition->height = 1;
1422 ev_view_size_request_single_page (EvView *view,
1423 GtkRequisition *requisition)
1428 ev_page_cache_get_size (view->page_cache,
1433 compute_border (view, width, height, &border);
1435 requisition->width = width + border.left + border.right + (2 * view->spacing);
1436 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1438 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1439 requisition->width = 1;
1440 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1441 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1442 requisition->width = 1;
1443 requisition->height = 1;
1448 ev_view_size_request (GtkWidget *widget,
1449 GtkRequisition *requisition)
1451 EvView *view = EV_VIEW (widget);
1453 if (view->document == NULL) {
1454 requisition->width = 1;
1455 requisition->height = 1;
1459 if (view->presentation) {
1460 requisition->width = 1;
1461 requisition->height = 1;
1465 if (view->continuous && view->dual_page)
1466 ev_view_size_request_continuous_dual_page (view, requisition);
1467 else if (view->continuous)
1468 ev_view_size_request_continuous (view, requisition);
1469 else if (view->dual_page)
1470 ev_view_size_request_dual_page (view, requisition);
1472 ev_view_size_request_single_page (view, requisition);
1476 ev_view_size_allocate (GtkWidget *widget,
1477 GtkAllocation *allocation)
1479 EvView *view = EV_VIEW (widget);
1481 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
1482 view->sizing_mode == EV_SIZING_BEST_FIT) {
1484 g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0);
1486 ev_view_size_request (widget, &widget->requisition);
1489 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
1490 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
1492 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
1493 view->pending_resize = FALSE;
1496 view_update_range_and_current_page (view);
1498 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
1502 ev_view_realize (GtkWidget *widget)
1504 EvView *view = EV_VIEW (widget);
1505 GdkWindowAttr attributes;
1507 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
1510 attributes.window_type = GDK_WINDOW_CHILD;
1511 attributes.wclass = GDK_INPUT_OUTPUT;
1512 attributes.visual = gtk_widget_get_visual (widget);
1513 attributes.colormap = gtk_widget_get_colormap (widget);
1515 attributes.x = widget->allocation.x;
1516 attributes.y = widget->allocation.y;
1517 attributes.width = widget->allocation.width;
1518 attributes.height = widget->allocation.height;
1519 attributes.event_mask = GDK_EXPOSURE_MASK |
1520 GDK_BUTTON_PRESS_MASK |
1521 GDK_BUTTON_RELEASE_MASK |
1523 GDK_KEY_PRESS_MASK |
1524 GDK_POINTER_MOTION_MASK |
1525 GDK_POINTER_MOTION_HINT_MASK |
1526 GDK_ENTER_NOTIFY_MASK |
1527 GDK_LEAVE_NOTIFY_MASK;
1529 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
1531 GDK_WA_X | GDK_WA_Y |
1534 gdk_window_set_user_data (widget->window, widget);
1535 widget->style = gtk_style_attach (widget->style, widget->window);
1537 if (view->presentation)
1538 gdk_window_set_background (widget->window, &widget->style->black);
1540 gdk_window_set_background (widget->window, &widget->style->mid [GTK_STATE_NORMAL]);
1544 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
1546 EvView *view = EV_VIEW (widget);
1549 state = event->state & gtk_accelerator_get_default_mod_mask ();
1551 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
1552 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1554 if (event->direction == GDK_SCROLL_UP ||
1555 event->direction == GDK_SCROLL_LEFT) {
1556 if (ev_view_can_zoom_in (view)) {
1557 ev_view_zoom_in (view);
1560 if (ev_view_can_zoom_out (view)) {
1561 ev_view_zoom_out (view);
1568 /* Shift+Wheel scrolls the in the perpendicular direction */
1569 if (state & GDK_SHIFT_MASK) {
1570 if (event->direction == GDK_SCROLL_UP)
1571 event->direction = GDK_SCROLL_LEFT;
1572 if (event->direction == GDK_SCROLL_LEFT)
1573 event->direction = GDK_SCROLL_UP;
1574 if (event->direction == GDK_SCROLL_DOWN)
1575 event->direction = GDK_SCROLL_RIGHT;
1576 if (event->direction == GDK_SCROLL_RIGHT)
1577 event->direction = GDK_SCROLL_DOWN;
1579 event->state &= ~GDK_SHIFT_MASK;
1580 state &= ~GDK_SHIFT_MASK;
1583 if (state == 0 && view->presentation) {
1584 switch (event->direction) {
1585 case GDK_SCROLL_DOWN:
1586 case GDK_SCROLL_RIGHT:
1587 ev_view_next_page (view);
1590 case GDK_SCROLL_LEFT:
1591 ev_view_previous_page (view);
1601 static EvViewSelection *
1602 find_selection_for_page (EvView *view,
1607 for (list = view->selection_info.selections; list != NULL; list = list->next) {
1608 EvViewSelection *selection;
1610 selection = (EvViewSelection *) list->data;
1612 if (selection->page == page)
1620 ev_view_expose_event (GtkWidget *widget,
1621 GdkEventExpose *event)
1623 EvView *view = EV_VIEW (widget);
1626 if (view->loading) {
1627 draw_loading_text (view,
1628 &(widget->allocation),
1632 if (view->document == NULL)
1635 for (i = view->start_page; i <= view->end_page; i++) {
1636 GdkRectangle page_area;
1639 if (!get_page_extents (view, i, &page_area, &border))
1642 page_area.x -= view->scroll_x;
1643 page_area.y -= view->scroll_y;
1645 draw_one_page (view, i, &page_area, &border, &(event->area));
1647 if (EV_IS_DOCUMENT_FIND (view->document))
1648 highlight_find_results (view, i);
1655 ev_view_popup_menu (GtkWidget *widget)
1659 EvView *view = EV_VIEW (widget);
1661 gtk_widget_get_pointer (widget, &x, &y);
1662 link = ev_view_get_link_at_location (view, x, y);
1663 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
1668 ev_view_button_press_event (GtkWidget *widget,
1669 GdkEventButton *event)
1671 EvView *view = EV_VIEW (widget);
1674 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
1675 gtk_widget_grab_focus (widget);
1678 view->pressed_button = event->button;
1679 view->selection_info.in_drag = FALSE;
1681 switch (event->button) {
1683 if (view->selection_info.selections) {
1684 if (location_in_selected_text (view,
1685 event->x + view->scroll_x,
1686 event->y + view->scroll_y)) {
1687 view->selection_info.in_drag = TRUE;
1689 clear_selection (view);
1692 gtk_widget_queue_draw (widget);
1695 view->selection_info.start.x = event->x + view->scroll_x;
1696 view->selection_info.start.y = event->y + view->scroll_y;
1700 /* use root coordinates as reference point because
1701 * scrolling changes window relative coordinates */
1702 view->drag_info.start.x = event->x_root;
1703 view->drag_info.start.y = event->y_root;
1704 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
1705 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
1707 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1711 link = ev_view_get_link_at_location (view, event->x, event->y);
1712 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
1720 ev_view_drag_data_get (GtkWidget *widget,
1721 GdkDragContext *context,
1722 GtkSelectionData *selection_data,
1726 EvView *view = EV_VIEW (widget);
1728 if (view->selection_info.selections &&
1729 ev_document_can_get_text (view->document)) {
1732 text = get_selected_text (view);
1734 gtk_selection_data_set_text (selection_data, text, strlen (text));
1741 selection_update_idle_cb (EvView *view)
1743 compute_selections (view, &view->selection_info.start, &view->motion);
1744 view->selection_update_id = 0;
1749 selection_scroll_timeout_cb (EvView *view)
1751 gint x, y, shift = 0;
1752 GtkWidget *widget = GTK_WIDGET (view);
1754 gtk_widget_get_pointer (widget, &x, &y);
1756 if (y > widget->allocation.height) {
1757 shift = (y - widget->allocation.height) / 2;
1763 gtk_adjustment_set_value (view->vadjustment,
1764 CLAMP (view->vadjustment->value + shift,
1765 view->vadjustment->lower,
1766 view->vadjustment->upper -
1767 view->vadjustment->page_size));
1769 if (x > widget->allocation.width) {
1770 shift = (x - widget->allocation.width) / 2;
1776 gtk_adjustment_set_value (view->hadjustment,
1777 CLAMP (view->hadjustment->value + shift,
1778 view->hadjustment->lower,
1779 view->hadjustment->upper -
1780 view->hadjustment->page_size));
1786 ev_view_motion_notify_event (GtkWidget *widget,
1787 GdkEventMotion *event)
1789 EvView *view = EV_VIEW (widget);
1792 if (!view->document)
1795 if (event->is_hint || event->window != widget->window) {
1796 gtk_widget_get_pointer (widget, &x, &y);
1802 if (view->selection_info.in_drag) {
1803 if (gtk_drag_check_threshold (widget,
1804 view->selection_info.start.x,
1805 view->selection_info.start.y,
1807 GdkDragContext *context;
1808 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
1810 gtk_target_list_add_text_targets (target_list, 0);
1812 context = gtk_drag_begin (widget, target_list,
1814 1, (GdkEvent *)event);
1816 view->selection_info.in_drag = FALSE;
1818 gtk_target_list_unref (target_list);
1824 /* For the Evince 0.4.x release, we limit selection to un-rotated
1827 if (view->pressed_button == 1 && view->rotation == 0) {
1829 /* Schedule timeout to scroll during selection and additionally
1830 * scroll once to allow arbitrary speed. */
1831 if (!view->selection_scroll_id)
1832 view->selection_scroll_id = g_timeout_add (SCROLL_TIME, (GSourceFunc)selection_scroll_timeout_cb, view);
1834 selection_scroll_timeout_cb (view);
1836 view->selection_info.in_selection = TRUE;
1837 view->motion.x = x + view->scroll_x;
1838 view->motion.y = y + view->scroll_y;
1840 /* Queue an idle to handle the motion. We do this because
1841 * handling any selection events in the motion could be slower
1842 * than new motion events reach us. We always put it in the
1843 * idle to make sure we catch up and don't visibly lag the
1845 if (!view->selection_update_id)
1846 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
1849 } else if (view->pressed_button == 2) {
1850 if (!view->drag_info.in_drag) {
1853 start = gtk_drag_check_threshold (widget,
1854 view->drag_info.start.x,
1855 view->drag_info.start.y,
1858 view->drag_info.in_drag = start;
1861 if (view->drag_info.in_drag) {
1863 gdouble dhadj_value, dvadj_value;
1865 dx = event->x_root - view->drag_info.start.x;
1866 dy = event->y_root - view->drag_info.start.y;
1868 dhadj_value = view->hadjustment->page_size *
1869 (gdouble)dx / widget->allocation.width;
1870 dvadj_value = view->vadjustment->page_size *
1871 (gdouble)dy / widget->allocation.height;
1873 /* clamp scrolling to visible area */
1874 gtk_adjustment_set_value (view->hadjustment,
1875 MIN(view->drag_info.hadj - dhadj_value,
1876 view->hadjustment->upper -
1877 view->hadjustment->page_size));
1878 gtk_adjustment_set_value (view->vadjustment,
1879 MIN(view->drag_info.vadj - dvadj_value,
1880 view->vadjustment->upper -
1881 view->vadjustment->page_size));
1885 /* For the Evince 0.4.x release, we limit links to un-rotated documents
1888 } else if (view->pressed_button <= 0 &&
1889 view->rotation == 0) {
1890 handle_link_over_xy (view, x, y);
1898 ev_view_button_release_event (GtkWidget *widget,
1899 GdkEventButton *event)
1901 EvView *view = EV_VIEW (widget);
1904 if (view->pressed_button == 2) {
1905 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1908 if (view->document) {
1909 link = ev_view_get_link_at_location (view, event->x, event->y);
1914 view->pressed_button = -1;
1915 view->drag_info.in_drag = FALSE;
1917 if (view->selection_scroll_id) {
1918 g_source_remove (view->selection_scroll_id);
1919 view->selection_scroll_id = 0;
1921 if (view->selection_update_id) {
1922 g_source_remove (view->selection_update_id);
1923 view->selection_update_id = 0;
1926 if (view->selection_info.selections) {
1927 ev_view_update_primary_selection (view);
1929 if (view->selection_info.in_drag) {
1930 clear_selection (view);
1931 gtk_widget_queue_draw (widget);
1934 view->selection_info.in_drag = FALSE;
1936 ev_view_goto_link (view, link);
1937 } else if (view->presentation) {
1938 switch (event->button) {
1940 ev_view_next_page (view);
1943 ev_view_previous_page (view);
1952 ev_view_focus_in (GtkWidget *widget,
1953 GdkEventFocus *event)
1955 if (EV_VIEW (widget)->pixbuf_cache)
1956 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
1957 gtk_widget_queue_draw (widget);
1963 ev_view_focus_out (GtkWidget *widget,
1964 GdkEventFocus *event)
1966 if (EV_VIEW (widget)->pixbuf_cache)
1967 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
1968 gtk_widget_queue_draw (widget);
1974 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
1976 EvView *view = EV_VIEW (widget);
1978 ev_view_set_status (view, NULL);
1980 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1981 view->cursor == EV_VIEW_CURSOR_IBEAM)
1982 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1984 if (view->link_tooltip) {
1985 view->hovered_link = NULL;
1986 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
1993 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
1995 EvView *view = EV_VIEW (widget);
1997 handle_link_over_xy (view, event->x, event->y);
2003 ev_view_style_set (GtkWidget *widget,
2004 GtkStyle *old_style)
2006 if (EV_VIEW (widget)->pixbuf_cache)
2007 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
2009 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
2015 ev_gdk_color_to_rgb (const GdkColor *color)
2018 result = (0xff0000 | (color->red & 0xff00));
2020 result |= ((color->green & 0xff00) | (color->blue >> 8));
2025 draw_rubberband (GtkWidget *widget, GdkWindow *window,
2026 const GdkRectangle *rect, guchar alpha)
2030 GdkColor *fill_color_gdk;
2033 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
2034 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
2036 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
2037 rect->width, rect->height);
2038 gdk_pixbuf_fill (pixbuf, fill_color);
2040 gdk_draw_pixbuf (window, NULL, pixbuf,
2042 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
2043 rect->width, rect->height,
2044 GDK_RGB_DITHER_NONE,
2047 g_object_unref (pixbuf);
2049 gc = gdk_gc_new (window);
2050 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
2051 gdk_draw_rectangle (window, gc, FALSE,
2052 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
2055 g_object_unref (gc);
2057 gdk_color_free (fill_color_gdk);
2062 highlight_find_results (EvView *view, int page)
2064 EvDocumentFind *find;
2067 g_return_if_fail (EV_IS_DOCUMENT_FIND (view->document));
2069 find = EV_DOCUMENT_FIND (view->document);
2071 results = ev_document_find_get_n_results (find, page);
2073 for (i = 0; i < results; i++) {
2074 EvRectangle rectangle;
2075 GdkRectangle view_rectangle;
2078 if (i == view->find_result && page == view->current_page) {
2084 ev_document_find_get_result (find, page, i, &rectangle);
2085 doc_rect_to_view_rect (view, page, &rectangle, &view_rectangle);
2086 draw_rubberband (GTK_WIDGET (view), GTK_WIDGET(view)->window,
2087 &view_rectangle, alpha);
2092 draw_loading_text (EvView *view,
2093 GdkRectangle *page_area,
2094 GdkRectangle *expose_area)
2096 PangoLayout *layout;
2097 PangoFontDescription *font_desc;
2098 PangoRectangle logical_rect;
2102 const char *loading_text = _("Loading...");
2104 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
2106 font_desc = pango_font_description_new ();
2109 /* We set the font to be 10 points, get the size, and scale appropriately */
2110 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
2111 pango_layout_set_font_description (layout, font_desc);
2112 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2114 /* Make sure we fit the middle of the page */
2115 target_width = MAX (page_area->width / 2, 1);
2116 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
2117 pango_font_description_set_size (font_desc, (int)real_scale);
2118 pango_layout_set_font_description (layout, font_desc);
2119 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2121 gtk_paint_layout (GTK_WIDGET (view)->style,
2122 GTK_WIDGET (view)->window,
2123 GTK_WIDGET_STATE (view),
2128 page_area->x + (target_width/2),
2129 page_area->y + (page_area->height - logical_rect.height) / 2,
2132 pango_font_description_free (font_desc);
2133 g_object_unref (layout);
2137 draw_one_page (EvView *view,
2139 GdkRectangle *page_area,
2141 GdkRectangle *expose_area)
2144 GdkPixbuf *current_pixbuf;
2145 GdkRectangle overlap;
2146 GdkRectangle real_page_area;
2147 EvViewSelection *selection;
2149 g_assert (view->document);
2150 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
2153 selection = find_selection_for_page (view, page);
2154 ev_page_cache_get_size (view->page_cache,
2155 page, view->rotation,
2158 /* Render the document itself */
2159 real_page_area = *page_area;
2161 real_page_area.x += border->left;
2162 real_page_area.y += border->top;
2163 real_page_area.width -= (border->left + border->right);
2164 real_page_area.height -= (border->top + border->bottom);
2166 ev_document_misc_paint_one_page (GTK_WIDGET(view)->window,
2170 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
2171 GdkPixbuf *selection_pixbuf = NULL;
2172 GdkPixbuf *scaled_image;
2173 GdkPixbuf *scaled_selection;
2175 current_pixbuf = ev_pixbuf_cache_get_pixbuf (view->pixbuf_cache, page);
2177 /* Get the selection pixbuf iff we have something to draw */
2178 if (current_pixbuf && view->selection_mode == EV_VIEW_SELECTION_TEXT && selection)
2179 selection_pixbuf = ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
2184 if (current_pixbuf == NULL)
2185 scaled_image = NULL;
2186 else if (width == gdk_pixbuf_get_width (current_pixbuf) &&
2187 height == gdk_pixbuf_get_height (current_pixbuf))
2188 scaled_image = g_object_ref (current_pixbuf);
2190 /* FIXME: We don't want to scale the whole area, just the right
2192 scaled_image = gdk_pixbuf_scale_simple (current_pixbuf,
2194 GDK_INTERP_NEAREST);
2196 if (selection_pixbuf == NULL)
2197 scaled_selection = NULL;
2198 else if (width == gdk_pixbuf_get_width (selection_pixbuf) &&
2199 height == gdk_pixbuf_get_height (selection_pixbuf))
2200 scaled_selection = g_object_ref (selection_pixbuf);
2202 /* FIXME: We don't want to scale the whole area, just the right
2204 scaled_selection = gdk_pixbuf_scale_simple (selection_pixbuf,
2206 GDK_INTERP_NEAREST);
2209 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2210 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2212 overlap.x - real_page_area.x,
2213 overlap.y - real_page_area.y,
2214 overlap.x, overlap.y,
2215 overlap.width, overlap.height,
2216 GDK_RGB_DITHER_NORMAL,
2218 g_object_unref (scaled_image);
2220 draw_loading_text (view,
2225 if (scaled_selection) {
2226 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2227 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2229 overlap.x - real_page_area.x,
2230 overlap.y - real_page_area.y,
2231 overlap.x, overlap.y,
2232 overlap.width, overlap.height,
2233 GDK_RGB_DITHER_NORMAL,
2235 g_object_unref (scaled_selection);
2240 /*** GObject functions ***/
2243 ev_view_finalize (GObject *object)
2245 EvView *view = EV_VIEW (object);
2249 g_free (view->status);
2250 g_free (view->find_status);
2252 clear_selection (view);
2254 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
2258 ev_view_destroy (GtkObject *object)
2260 EvView *view = EV_VIEW (object);
2262 if (view->document) {
2263 g_object_unref (view->document);
2264 view->document = NULL;
2267 if (view->pixbuf_cache) {
2268 g_object_unref (view->pixbuf_cache);
2269 view->pixbuf_cache = NULL;
2272 if (view->link_tooltip) {
2273 gtk_widget_destroy (view->link_tooltip);
2276 if (view->selection_scroll_id) {
2277 g_source_remove (view->selection_scroll_id);
2278 view->selection_scroll_id = 0;
2281 if (view->selection_update_id) {
2282 g_source_remove (view->selection_update_id);
2283 view->selection_update_id = 0;
2286 ev_view_set_scroll_adjustments (view, NULL, NULL);
2288 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
2292 ev_view_set_property (GObject *object,
2294 const GValue *value,
2297 EvView *view = EV_VIEW (object);
2301 case PROP_CONTINUOUS:
2302 ev_view_set_continuous (view, g_value_get_boolean (value));
2304 case PROP_DUAL_PAGE:
2305 ev_view_set_dual_page (view, g_value_get_boolean (value));
2307 case PROP_FULLSCREEN:
2308 ev_view_set_fullscreen (view, g_value_get_boolean (value));
2310 case PROP_PRESENTATION:
2311 ev_view_set_presentation (view, g_value_get_boolean (value));
2313 case PROP_SIZING_MODE:
2314 ev_view_set_sizing_mode (view, g_value_get_enum (value));
2317 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
2320 ev_view_set_rotation (view, g_value_get_int (value));
2323 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2328 ev_view_get_accessible (GtkWidget *widget)
2330 static gboolean first_time = TRUE;
2333 AtkObjectFactory *factory;
2334 AtkRegistry *registry;
2336 GType derived_atk_type;
2339 * Figure out whether accessibility is enabled by looking at the
2340 * type of the accessible object which would be created for
2341 * the parent type of EvView.
2343 derived_type = g_type_parent (EV_TYPE_VIEW);
2345 registry = atk_get_default_registry ();
2346 factory = atk_registry_get_factory (registry,
2348 derived_atk_type = atk_object_factory_get_accessible_type (factory);
2349 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
2350 atk_registry_set_factory_type (registry,
2352 ev_view_accessible_factory_get_type ());
2355 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
2359 ev_view_get_property (GObject *object,
2364 EvView *view = EV_VIEW (object);
2369 g_value_set_string (value, view->status);
2371 case PROP_FIND_STATUS:
2372 g_value_set_string (value, view->status);
2374 case PROP_CONTINUOUS:
2375 g_value_set_boolean (value, view->continuous);
2377 case PROP_DUAL_PAGE:
2378 g_value_set_boolean (value, view->dual_page);
2380 case PROP_FULLSCREEN:
2381 g_value_set_boolean (value, view->fullscreen);
2383 case PROP_PRESENTATION:
2384 g_value_set_boolean (value, view->presentation);
2386 case PROP_SIZING_MODE:
2387 g_value_set_enum (value, view->sizing_mode);
2390 g_value_set_double (value, view->scale);
2393 g_value_set_int (value, view->rotation);
2395 case PROP_HAS_SELECTION:
2396 g_value_set_boolean (value,
2397 view->selection_info.selections != NULL);
2400 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2405 ev_view_class_init (EvViewClass *class)
2407 GObjectClass *object_class = G_OBJECT_CLASS (class);
2408 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
2409 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
2410 GtkBindingSet *binding_set;
2412 object_class->finalize = ev_view_finalize;
2413 object_class->set_property = ev_view_set_property;
2414 object_class->get_property = ev_view_get_property;
2416 widget_class->expose_event = ev_view_expose_event;
2417 widget_class->button_press_event = ev_view_button_press_event;
2418 widget_class->motion_notify_event = ev_view_motion_notify_event;
2419 widget_class->button_release_event = ev_view_button_release_event;
2420 widget_class->focus_in_event = ev_view_focus_in;
2421 widget_class->focus_out_event = ev_view_focus_out;
2422 widget_class->get_accessible = ev_view_get_accessible;
2423 widget_class->size_request = ev_view_size_request;
2424 widget_class->size_allocate = ev_view_size_allocate;
2425 widget_class->realize = ev_view_realize;
2426 widget_class->scroll_event = ev_view_scroll_event;
2427 widget_class->enter_notify_event = ev_view_enter_notify_event;
2428 widget_class->leave_notify_event = ev_view_leave_notify_event;
2429 widget_class->style_set = ev_view_style_set;
2430 widget_class->drag_data_get = ev_view_drag_data_get;
2431 widget_class->popup_menu = ev_view_popup_menu;
2432 gtk_object_class->destroy = ev_view_destroy;
2434 class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
2435 class->binding_activated = ev_view_binding_activated;
2437 widget_class->set_scroll_adjustments_signal =
2438 g_signal_new ("set-scroll-adjustments",
2439 G_OBJECT_CLASS_TYPE (object_class),
2440 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2441 G_STRUCT_OFFSET (EvViewClass, set_scroll_adjustments),
2443 ev_marshal_VOID__OBJECT_OBJECT,
2445 GTK_TYPE_ADJUSTMENT,
2446 GTK_TYPE_ADJUSTMENT);
2448 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
2449 G_TYPE_FROM_CLASS (object_class),
2450 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2451 G_STRUCT_OFFSET (EvViewClass, binding_activated),
2453 ev_marshal_VOID__ENUM_BOOLEAN,
2455 GTK_TYPE_SCROLL_TYPE,
2458 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
2459 G_TYPE_FROM_CLASS (object_class),
2460 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2461 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
2463 ev_marshal_VOID__VOID,
2464 G_TYPE_NONE, 0, G_TYPE_NONE);
2465 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
2466 G_TYPE_FROM_CLASS (object_class),
2467 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2468 G_STRUCT_OFFSET (EvViewClass, external_link),
2470 g_cclosure_marshal_VOID__OBJECT,
2473 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
2474 G_TYPE_FROM_CLASS (object_class),
2475 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2476 G_STRUCT_OFFSET (EvViewClass, popup_menu),
2478 g_cclosure_marshal_VOID__OBJECT,
2482 g_object_class_install_property (object_class,
2484 g_param_spec_string ("status",
2486 "The status message",
2490 g_object_class_install_property (object_class,
2492 g_param_spec_string ("find-status",
2493 "Find Status Message",
2494 "The find status message",
2498 g_object_class_install_property (object_class,
2500 g_param_spec_boolean ("continuous",
2502 "Continuous scrolling mode",
2504 G_PARAM_READWRITE));
2506 g_object_class_install_property (object_class,
2508 g_param_spec_boolean ("dual-page",
2510 "Two pages visible at once",
2512 G_PARAM_READWRITE));
2513 g_object_class_install_property (object_class,
2515 g_param_spec_boolean ("fullscreen",
2517 "Draw page in a fullscreen fashion",
2519 G_PARAM_READWRITE));
2520 g_object_class_install_property (object_class,
2522 g_param_spec_boolean ("presentation",
2524 "Draw page in presentation mode",
2526 G_PARAM_READWRITE));
2528 g_object_class_install_property (object_class,
2530 g_param_spec_enum ("sizing-mode",
2533 EV_TYPE_SIZING_MODE,
2534 EV_SIZING_FIT_WIDTH,
2535 G_PARAM_READWRITE));
2537 g_object_class_install_property (object_class,
2539 g_param_spec_double ("zoom",
2545 G_PARAM_READWRITE));
2546 g_object_class_install_property (object_class,
2548 g_param_spec_double ("rotation",
2554 G_PARAM_READWRITE));
2555 g_object_class_install_property (object_class,
2557 g_param_spec_boolean ("has-selection",
2559 "The view has selections",
2563 binding_set = gtk_binding_set_by_class (class);
2565 add_scroll_binding_keypad (binding_set, GDK_Left, 0, GTK_SCROLL_STEP_BACKWARD, TRUE);
2566 add_scroll_binding_keypad (binding_set, GDK_Right, 0, GTK_SCROLL_STEP_FORWARD, TRUE);
2567 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, TRUE);
2568 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, TRUE);
2569 add_scroll_binding_keypad (binding_set, GDK_Up, 0, GTK_SCROLL_STEP_BACKWARD, FALSE);
2570 add_scroll_binding_keypad (binding_set, GDK_Down, 0, GTK_SCROLL_STEP_FORWARD, FALSE);
2571 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, FALSE);
2572 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, FALSE);
2576 ev_view_init (EvView *view)
2578 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
2582 view->current_page = 0;
2583 view->pressed_button = -1;
2584 view->cursor = EV_VIEW_CURSOR_NORMAL;
2585 view->drag_info.in_drag = FALSE;
2586 view->selection_info.selections = NULL;
2587 view->selection_info.in_selection = FALSE;
2588 view->selection_info.in_drag = FALSE;
2589 view->selection_mode = EV_VIEW_SELECTION_TEXT;
2590 view->continuous = TRUE;
2591 view->dual_page = FALSE;
2592 view->presentation = FALSE;
2593 view->fullscreen = FALSE;
2594 view->sizing_mode = EV_SIZING_FIT_WIDTH;
2595 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2601 find_changed_cb (EvDocument *document, int page, EvView *view)
2606 percent = ev_document_find_get_progress
2607 (EV_DOCUMENT_FIND (view->document));
2608 n_pages = ev_page_cache_get_n_pages (view->page_cache);
2609 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
2610 jump_to_find_result (view);
2611 update_find_status_message (view, percent * n_pages >= n_pages - 1 );
2612 if (view->current_page == page)
2613 gtk_widget_queue_draw (GTK_WIDGET (view));
2617 job_finished_cb (EvPixbufCache *pixbuf_cache,
2620 gtk_widget_queue_draw (GTK_WIDGET (view));
2624 page_changed_cb (EvPageCache *page_cache,
2628 if (view->current_page != new_page) {
2630 view->current_page = new_page;
2631 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2632 gtk_widget_queue_resize (GTK_WIDGET (view));
2634 if (EV_IS_DOCUMENT_FIND (view->document)) {
2635 view->find_result = 0;
2636 update_find_status_message (view, TRUE);
2641 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
2646 if (! GTK_WIDGET_REALIZED (view))
2649 if (view->hadjustment) {
2650 dx = view->scroll_x - (int) view->hadjustment->value;
2651 view->scroll_x = (int) view->hadjustment->value;
2656 if (view->vadjustment) {
2657 dy = view->scroll_y - (int) view->vadjustment->value;
2658 view->scroll_y = (int) view->vadjustment->value;
2664 if (view->pending_resize)
2665 gtk_widget_queue_draw (GTK_WIDGET (view));
2667 gdk_window_scroll (GTK_WIDGET (view)->window, dx, dy);
2671 view_update_range_and_current_page (view);
2679 view = g_object_new (EV_TYPE_VIEW, NULL);
2685 setup_caches (EvView *view)
2687 view->page_cache = ev_page_cache_get (view->document);
2688 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
2689 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
2690 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
2694 clear_caches (EvView *view)
2696 if (view->pixbuf_cache) {
2697 g_object_unref (view->pixbuf_cache);
2698 view->pixbuf_cache = NULL;
2701 if (view->page_cache) {
2702 view->page_cache = NULL;
2707 ev_view_set_loading (EvView *view,
2710 view->loading = loading;
2711 gtk_widget_queue_draw (GTK_WIDGET (view));
2715 ev_view_set_document (EvView *view,
2716 EvDocument *document)
2718 g_return_if_fail (EV_IS_VIEW (view));
2720 view->loading = FALSE;
2722 if (document != view->document) {
2723 clear_caches (view);
2725 if (view->document) {
2726 g_signal_handlers_disconnect_by_func (view->document,
2729 g_object_unref (view->document);
2730 view->page_cache = NULL;
2734 view->document = document;
2735 view->find_result = 0;
2737 if (view->document) {
2738 g_object_ref (view->document);
2739 if (EV_IS_DOCUMENT_FIND (view->document)) {
2740 g_signal_connect (view->document,
2742 G_CALLBACK (find_changed_cb),
2746 setup_caches (view);
2749 gtk_widget_queue_resize (GTK_WIDGET (view));
2753 /*** Zoom and sizing mode ***/
2755 #define EPSILON 0.0000001
2757 ev_view_set_zoom (EvView *view,
2764 scale = view->scale * factor;
2768 scale = CLAMP (scale, MIN_SCALE, MAX_SCALE);
2770 if (ABS (view->scale - scale) < EPSILON)
2773 view->scale = scale;
2774 view->pending_resize = TRUE;
2776 gtk_widget_queue_resize (GTK_WIDGET (view));
2778 g_object_notify (G_OBJECT (view), "zoom");
2782 ev_view_get_zoom (EvView *view)
2788 ev_view_get_continuous (EvView *view)
2790 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2792 return view->continuous;
2796 ev_view_set_continuous (EvView *view,
2797 gboolean continuous)
2799 g_return_if_fail (EV_IS_VIEW (view));
2801 continuous = continuous != FALSE;
2803 if (view->continuous != continuous) {
2804 view->continuous = continuous;
2805 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2806 gtk_widget_queue_resize (GTK_WIDGET (view));
2809 g_object_notify (G_OBJECT (view), "continuous");
2813 ev_view_get_dual_page (EvView *view)
2815 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2817 return view->dual_page;
2821 ev_view_set_dual_page (EvView *view,
2824 g_return_if_fail (EV_IS_VIEW (view));
2826 dual_page = dual_page != FALSE;
2828 if (view->dual_page == dual_page)
2831 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2832 view->dual_page = dual_page;
2833 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
2834 * preload_cache_size to be 2 if dual_page is set.
2836 gtk_widget_queue_resize (GTK_WIDGET (view));
2838 g_object_notify (G_OBJECT (view), "dual-page");
2842 ev_view_set_fullscreen (EvView *view,
2843 gboolean fullscreen)
2845 g_return_if_fail (EV_IS_VIEW (view));
2847 fullscreen = fullscreen != FALSE;
2849 if (view->fullscreen == fullscreen)
2852 view->fullscreen = fullscreen;
2853 gtk_widget_queue_resize (GTK_WIDGET (view));
2855 g_object_notify (G_OBJECT (view), "fullscreen");
2859 ev_view_get_fullscreen (EvView *view)
2861 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2863 return view->fullscreen;
2867 ev_view_set_presentation (EvView *view,
2868 gboolean presentation)
2870 g_return_if_fail (EV_IS_VIEW (view));
2872 presentation = presentation != FALSE;
2874 if (view->presentation == presentation)
2877 view->presentation = presentation;
2878 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2879 gtk_widget_queue_resize (GTK_WIDGET (view));
2881 if (GTK_WIDGET_REALIZED (view)) {
2882 if (view->presentation)
2883 gdk_window_set_background (GTK_WIDGET(view)->window,
2884 >K_WIDGET (view)->style->black);
2886 gdk_window_set_background (GTK_WIDGET(view)->window,
2887 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
2891 g_object_notify (G_OBJECT (view), "presentation");
2895 ev_view_get_presentation (EvView *view)
2897 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2899 return view->presentation;
2903 ev_view_set_sizing_mode (EvView *view,
2904 EvSizingMode sizing_mode)
2906 g_return_if_fail (EV_IS_VIEW (view));
2908 if (view->sizing_mode == sizing_mode)
2911 view->sizing_mode = sizing_mode;
2912 gtk_widget_queue_resize (GTK_WIDGET (view));
2914 g_object_notify (G_OBJECT (view), "sizing-mode");
2918 ev_view_get_sizing_mode (EvView *view)
2920 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
2922 return view->sizing_mode;
2926 ev_view_can_zoom_in (EvView *view)
2928 return view->scale * ZOOM_IN_FACTOR <= MAX_SCALE;
2932 ev_view_can_zoom_out (EvView *view)
2934 return view->scale * ZOOM_OUT_FACTOR >= MIN_SCALE;
2938 ev_view_zoom_in (EvView *view)
2940 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
2942 view->pending_scroll = SCROLL_TO_CENTER;
2943 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
2947 ev_view_zoom_out (EvView *view)
2949 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
2951 view->pending_scroll = SCROLL_TO_CENTER;
2952 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
2956 ev_view_rotate_right (EvView *view)
2958 int rotation = view->rotation + 90;
2960 if (rotation >= 360) {
2964 ev_view_set_rotation (view, rotation);
2968 ev_view_rotate_left (EvView *view)
2970 int rotation = view->rotation - 90;
2976 ev_view_set_rotation (view, rotation);
2980 ev_view_set_rotation (EvView *view, int rotation)
2982 view->rotation = rotation;
2984 if (view->pixbuf_cache) {
2985 ev_pixbuf_cache_clear (view->pixbuf_cache);
2986 gtk_widget_queue_resize (GTK_WIDGET (view));
2990 clear_selection (view);
2992 g_object_notify (G_OBJECT (view), "rotation");
2996 ev_view_get_rotation (EvView *view)
2998 return view->rotation;
3002 zoom_for_size_fit_width (int doc_width,
3010 scale = (double)target_width / doc_width;
3012 if (doc_height * scale > target_height)
3013 scale = (double) (target_width - vsb_width) / doc_width;
3019 zoom_for_size_fit_height (int doc_width,
3027 scale = (double)target_height / doc_height;
3029 if (doc_width * scale > target_width)
3030 scale = (double) (target_height - vsb_height) / doc_height;
3036 zoom_for_size_best_fit (int doc_width,
3046 w_scale = (double)target_width / doc_width;
3047 h_scale = (double)target_height / doc_height;
3049 if (doc_height * w_scale > target_height)
3050 w_scale = (double) (target_width - vsb_width) / doc_width;
3051 if (doc_width * h_scale > target_width)
3052 h_scale = (double) (target_height - hsb_width) / doc_height;
3054 return MIN (w_scale, h_scale);
3059 ev_view_zoom_for_size_presentation (EvView *view,
3063 int doc_width, doc_height;
3066 ev_page_cache_get_size (view->page_cache,
3072 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
3073 ev_view_set_zoom (view, scale, FALSE);
3077 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
3083 int doc_width, doc_height;
3087 ev_page_cache_get_max_width (view->page_cache,
3091 ev_page_cache_get_max_height (view->page_cache,
3095 compute_border (view, doc_width, doc_height, &border);
3097 doc_width = doc_width * 2;
3098 width -= (2 * (border.left + border.right) + 3 * view->spacing);
3099 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3101 /* FIXME: We really need to calculate the overall height here, not the
3102 * page height. We assume there's always a vertical scrollbar for
3103 * now. We need to fix this. */
3104 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3105 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3106 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3107 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3109 g_assert_not_reached ();
3111 ev_view_set_zoom (view, scale, FALSE);
3115 ev_view_zoom_for_size_continuous (EvView *view,
3121 int doc_width, doc_height;
3125 ev_page_cache_get_max_width (view->page_cache,
3129 ev_page_cache_get_max_height (view->page_cache,
3133 compute_border (view, doc_width, doc_height, &border);
3135 width -= (border.left + border.right + 2 * view->spacing);
3136 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3138 /* FIXME: We really need to calculate the overall height here, not the
3139 * page height. We assume there's always a vertical scrollbar for
3140 * now. We need to fix this. */
3141 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3142 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3143 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3144 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3146 g_assert_not_reached ();
3148 ev_view_set_zoom (view, scale, FALSE);
3152 ev_view_zoom_for_size_dual_page (EvView *view,
3159 gint doc_width, doc_height;
3163 other_page = view->current_page ^ 1;
3165 /* Find the largest of the two. */
3166 ev_page_cache_get_size (view->page_cache,
3170 &doc_width, &doc_height);
3172 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
3173 gint width_2, height_2;
3174 ev_page_cache_get_size (view->page_cache,
3178 &width_2, &height_2);
3179 if (width_2 > doc_width)
3180 doc_width = width_2;
3181 if (height_2 > doc_height)
3182 doc_height = height_2;
3184 compute_border (view, doc_width, doc_height, &border);
3186 doc_width = doc_width * 2;
3187 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
3188 height -= (border.top + border.bottom + 2 * view->spacing);
3190 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3191 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3192 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3193 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3195 g_assert_not_reached ();
3197 ev_view_set_zoom (view, scale, FALSE);
3201 ev_view_zoom_for_size_single_page (EvView *view,
3207 int doc_width, doc_height;
3211 ev_page_cache_get_size (view->page_cache,
3217 /* Get an approximate border */
3218 compute_border (view, width, height, &border);
3220 width -= (border.left + border.right + 2 * view->spacing);
3221 height -= (border.top + border.bottom + 2 * view->spacing);
3223 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3224 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3225 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3226 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3228 g_assert_not_reached ();
3230 ev_view_set_zoom (view, scale, FALSE);
3234 ev_view_set_zoom_for_size (EvView *view,
3240 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
3241 view->sizing_mode == EV_SIZING_BEST_FIT);
3242 g_return_if_fail (width >= 0);
3243 g_return_if_fail (height >= 0);
3245 if (view->document == NULL)
3248 if (view->presentation)
3249 ev_view_zoom_for_size_presentation (view, width, height);
3250 else if (view->continuous && view->dual_page)
3251 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
3252 else if (view->continuous)
3253 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
3254 else if (view->dual_page)
3255 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
3257 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
3260 /*** Status text messages ***/
3263 ev_view_get_status (EvView *view)
3265 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3267 return view->status;
3271 ev_view_set_status (EvView *view, const char *message)
3273 g_return_if_fail (EV_IS_VIEW (view));
3275 if (message != view->status) {
3276 g_free (view->status);
3277 view->status = g_strdup (message);
3278 g_object_notify (G_OBJECT (view), "status");
3283 update_find_status_message (EvView *view, gboolean this_page)
3290 results = ev_document_find_get_n_results
3291 (EV_DOCUMENT_FIND (view->document),
3292 view->current_page);
3293 /* TRANS: Sometimes this could be better translated as
3294 "%d hit(s) on this page". Therefore this string
3295 contains plural cases. */
3296 message = g_strdup_printf (ngettext ("%d found on this page",
3297 "%d found on this page",
3303 percent = ev_document_find_get_progress
3304 (EV_DOCUMENT_FIND (view->document));
3305 message = g_strdup_printf (_("%3d%% remaining to search"),
3306 (int) ((1.0 - percent) * 100));
3309 ev_view_set_find_status (view, message);
3314 ev_view_get_find_status (EvView *view)
3316 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3318 return view->find_status;
3322 ev_view_set_find_status (EvView *view, const char *message)
3324 g_return_if_fail (EV_IS_VIEW (view));
3326 g_free (view->find_status);
3327 view->find_status = g_strdup (message);
3328 g_object_notify (G_OBJECT (view), "find-status");
3334 jump_to_find_result (EvView *view)
3336 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3338 GdkRectangle view_rect;
3340 int page = view->current_page;
3342 n_results = ev_document_find_get_n_results (find, page);
3344 if (n_results > 0 && view->find_result < n_results) {
3345 ev_document_find_get_result
3346 (find, page, view->find_result, &rect);
3348 doc_rect_to_view_rect (view, page, &rect, &view_rect);
3349 ensure_rectangle_is_visible (view, &view_rect);
3355 * @view: #EvView instance
3356 * @direction: Direction to look
3357 * @shift: Shift from current page
3359 * Jumps to the first page that has occurences of searched word.
3360 * Uses a direction where to look and a shift from current page.
3364 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
3368 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3370 for (i = 0; i < n_pages; i++) {
3374 if (direction == EV_VIEW_FIND_NEXT)
3375 page = view->current_page + i;
3377 page = view->current_page - i;
3380 if (page >= n_pages) {
3381 page = page - n_pages;
3384 page = page + n_pages;
3386 has_results = ev_document_find_page_has_results
3387 (EV_DOCUMENT_FIND (view->document), page);
3388 if (has_results == -1) {
3390 } else if (has_results == 1) {
3391 ev_page_cache_set_current_page (view->page_cache, page);
3398 ev_view_can_find_next (EvView *view)
3400 if (EV_IS_DOCUMENT_FIND (view->document)) {
3401 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3404 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3405 for (i = 0; i < n_pages; i++) {
3406 if (ev_document_find_get_n_results (find, i) > 0) {
3416 ev_view_find_next (EvView *view)
3418 int n_results, n_pages;
3419 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3421 n_results = ev_document_find_get_n_results (find, view->current_page);
3423 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3425 view->find_result++;
3427 if (view->find_result >= n_results) {
3429 view->find_result = 0;
3430 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
3431 jump_to_find_result (view);
3433 jump_to_find_result (view);
3434 gtk_widget_queue_draw (GTK_WIDGET (view));
3439 ev_view_find_previous (EvView *view)
3441 int n_results, n_pages;
3442 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3443 EvPageCache *page_cache;
3445 page_cache = ev_page_cache_get (view->document);
3447 n_results = ev_document_find_get_n_results (find, view->current_page);
3449 n_pages = ev_page_cache_get_n_pages (page_cache);
3451 view->find_result--;
3453 if (view->find_result < 0) {
3455 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
3456 view->find_result = ev_document_find_get_n_results (find, view->current_page) - 1;
3457 jump_to_find_result (view);
3459 jump_to_find_result (view);
3460 gtk_widget_queue_draw (GTK_WIDGET (view));
3464 /*** Selections ***/
3466 /* compute_new_selection_rect/text calculates the area currently selected by
3467 * view_rect. each handles a different mode;
3470 compute_new_selection_rect (EvView *view,
3474 GdkRectangle view_rect;
3478 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
3480 view_rect.x = MIN (start->x, stop->x);
3481 view_rect.y = MIN (start->y, stop->y);
3482 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
3483 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
3485 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3487 for (i = 0; i < n_pages; i++) {
3488 GdkRectangle page_area;
3491 if (get_page_extents (view, i, &page_area, &border)) {
3492 GdkRectangle overlap;
3494 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
3495 EvViewSelection *selection;
3497 selection = g_new0 (EvViewSelection, 1);
3498 selection->page = i;
3499 view_rect_to_doc_rect (view, &overlap, &page_area,
3500 &(selection->rect));
3502 list = g_list_append (list, selection);
3511 gdk_rectangle_point_in (GdkRectangle *rectangle,
3514 return rectangle->x <= point->x &&
3515 rectangle->y <= point->y &&
3516 point->x < rectangle->x + rectangle->width &&
3517 point->y < rectangle->y + rectangle->height;
3521 compute_new_selection_text (EvView *view,
3525 int n_pages, i, first, last;
3527 EvViewSelection *selection;
3529 int start_page, end_page;
3531 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
3533 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3535 /* First figure out the range of pages the selection
3539 if (view->continuous) {
3542 } else if (view->dual_page) {
3543 start_page = view->start_page;
3544 end_page = view->end_page + 1;
3546 start_page = view->current_page;
3547 end_page = view->current_page + 1;
3550 for (i = start_page; i < end_page; i++) {
3551 GdkRectangle page_area;
3554 get_page_extents (view, i, &page_area, &border);
3555 if (gdk_rectangle_point_in (&page_area, start) ||
3556 gdk_rectangle_point_in (&page_area, stop)) {
3557 if (first == n_pages)
3566 /* Now create a list of EvViewSelection's for the affected
3567 * pages. This could be an empty list, a list of just one
3568 * page or a number of pages.*/
3569 for (i = first; i < last + 1; i++) {
3570 GdkRectangle page_area;
3574 ev_page_cache_get_size (view->page_cache, i,
3576 1.0, &width, &height);
3578 selection = g_new0 (EvViewSelection, 1);
3579 selection->page = i;
3580 selection->rect.x1 = selection->rect.y1 = 0;
3581 selection->rect.x2 = width;
3582 selection->rect.y2 = height;
3584 get_page_extents (view, i, &page_area, &border);
3586 if (gdk_rectangle_point_in (&page_area, start))
3592 view_point_to_doc_point (view, point, &page_area,
3593 &selection->rect.x1,
3594 &selection->rect.y1);
3596 /* If the selection is contained within just one page,
3597 * make sure we don't write 'start' into both points
3598 * in selection->rect. */
3603 view_point_to_doc_point (view, point, &page_area,
3604 &selection->rect.x2,
3605 &selection->rect.y2);
3607 list = g_list_append (list, selection);
3613 /* This function takes the newly calculated list, and figures out which regions
3614 * have changed. It then queues a redraw approporiately.
3617 merge_selection_region (EvView *view,
3621 GList *new_list_ptr, *old_list_ptr;
3623 /* Update the selection */
3624 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
3625 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
3626 view->selection_info.selections = new_list;
3627 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
3628 g_object_notify (G_OBJECT (view), "has-selection");
3630 new_list_ptr = new_list;
3631 old_list_ptr = old_list;
3633 while (new_list_ptr || old_list_ptr) {
3634 EvViewSelection *old_sel, *new_sel;
3636 GdkRegion *region = NULL;
3638 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
3639 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
3641 /* Assume that the lists are in order, and we run through them
3642 * comparing them, one page at a time. We come out with the
3643 * first page we see. */
3644 if (new_sel && old_sel) {
3645 if (new_sel->page < old_sel->page) {
3646 new_list_ptr = new_list_ptr->next;
3648 } else if (new_sel->page > old_sel->page) {
3649 old_list_ptr = old_list_ptr->next;
3652 new_list_ptr = new_list_ptr->next;
3653 old_list_ptr = old_list_ptr->next;
3655 } else if (new_sel) {
3656 new_list_ptr = new_list_ptr->next;
3657 } else if (old_sel) {
3658 old_list_ptr = old_list_ptr->next;
3661 g_assert (new_sel || old_sel);
3663 /* is the page we're looking at on the screen?*/
3664 cur_page = new_sel ? new_sel->page : old_sel->page;
3665 if (cur_page < view->start_page || cur_page > view->end_page)
3668 /* seed the cache with a new page. We are going to need the new
3671 GdkRegion *tmp_region = NULL;
3672 ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
3677 new_sel->covered_region = gdk_region_copy (tmp_region);
3681 /* Now we figure out what needs redrawing */
3682 if (old_sel && new_sel) {
3683 if (old_sel->covered_region &&
3684 new_sel->covered_region) {
3685 /* We only want to redraw the areas that have
3686 * changed, so we xor the old and new regions
3687 * and redraw if it's different */
3688 region = gdk_region_copy (old_sel->covered_region);
3689 gdk_region_xor (region, new_sel->covered_region);
3690 if (gdk_region_empty (region)) {
3691 gdk_region_destroy (region);
3694 } else if (old_sel->covered_region) {
3695 region = gdk_region_copy (old_sel->covered_region);
3696 } else if (new_sel->covered_region) {
3697 region = gdk_region_copy (new_sel->covered_region);
3699 } else if (old_sel && !new_sel) {
3700 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
3701 region = gdk_region_copy (old_sel->covered_region);
3703 } else if (!old_sel && new_sel) {
3704 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
3705 region = gdk_region_copy (new_sel->covered_region);
3708 g_assert_not_reached ();
3711 /* Redraw the damaged region! */
3713 GdkRectangle page_area;
3716 get_page_extents (view, cur_page, &page_area, &border);
3717 gdk_region_offset (region,
3718 page_area.x + border.left - view->scroll_x,
3719 page_area.y + border.top - view->scroll_y);
3720 gdk_window_invalidate_region (GTK_WIDGET (view)->window, region, TRUE);
3721 gdk_region_destroy (region);
3725 /* Free the old list, now that we're done with it. */
3726 g_list_foreach (old_list, (GFunc) selection_free, NULL);
3730 compute_selections (EvView *view,
3736 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
3737 list = compute_new_selection_rect (view, start, stop);
3739 list = compute_new_selection_text (view, start, stop);
3740 merge_selection_region (view, list);
3743 /* Free's the selection. It's up to the caller to queue redraws if needed.
3746 selection_free (EvViewSelection *selection)
3748 if (selection->covered_region)
3749 gdk_region_destroy (selection->covered_region);
3754 clear_selection (EvView *view)
3756 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
3757 view->selection_info.selections = NULL;
3758 view->selection_info.in_selection = FALSE;
3759 g_object_notify (G_OBJECT (view), "has-selection");
3764 ev_view_select_all (EvView *view)
3768 /* Disable selection on rotated pages for the 0.4.0 series */
3769 if (view->rotation != 0)
3772 clear_selection (view);
3774 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3775 for (i = 0; i < n_pages; i++) {
3777 EvViewSelection *selection;
3779 ev_page_cache_get_size (view->page_cache,
3782 1.0, &width, &height);
3784 selection = g_new0 (EvViewSelection, 1);
3785 selection->page = i;
3786 selection->rect.x1 = selection->rect.y1 = 0;
3787 selection->rect.x2 = width;
3788 selection->rect.y2 = height;
3790 view->selection_info.selections = g_list_append (view->selection_info.selections, selection);
3793 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, view->selection_info.selections);
3794 g_object_notify (G_OBJECT (view), "has-selection");
3795 gtk_widget_queue_draw (GTK_WIDGET (view));
3799 ev_view_get_has_selection (EvView *view)
3801 return view->selection_info.selections != NULL;
3805 get_selected_text (EvView *ev_view)
3810 text = g_string_new (NULL);
3812 ev_document_doc_mutex_lock ();
3814 for (l = ev_view->selection_info.selections; l != NULL; l = l->next) {
3815 EvViewSelection *selection = (EvViewSelection *)l->data;
3818 tmp = ev_document_get_text (ev_view->document,
3821 g_string_append (text, tmp);
3825 ev_document_doc_mutex_unlock ();
3827 return g_string_free (text, FALSE);
3831 ev_view_copy (EvView *ev_view)
3833 GtkClipboard *clipboard;
3836 if (!ev_document_can_get_text (ev_view->document)) {
3840 text = get_selected_text (ev_view);
3841 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
3842 GDK_SELECTION_CLIPBOARD);
3843 gtk_clipboard_set_text (clipboard, text, -1);
3848 ev_view_primary_get_cb (GtkClipboard *clipboard,
3849 GtkSelectionData *selection_data,
3853 EvView *ev_view = EV_VIEW (data);
3856 if (!ev_document_can_get_text (ev_view->document)) {
3860 text = get_selected_text (ev_view);
3861 gtk_selection_data_set_text (selection_data, text, -1);
3866 ev_view_primary_clear_cb (GtkClipboard *clipboard,
3869 EvView *view = EV_VIEW (data);
3871 clear_selection (view);
3875 ev_view_update_primary_selection (EvView *ev_view)
3877 GtkClipboard *clipboard;
3879 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
3880 GDK_SELECTION_PRIMARY);
3882 if (ev_view->selection_info.selections) {
3883 if (!gtk_clipboard_set_with_owner (clipboard,
3885 G_N_ELEMENTS (targets),
3886 ev_view_primary_get_cb,
3887 ev_view_primary_clear_cb,
3888 G_OBJECT (ev_view)))
3889 ev_view_primary_clear_cb (clipboard, ev_view);
3891 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
3892 gtk_clipboard_clear (clipboard);
3896 /*** Cursor operations ***/
3899 ev_view_create_invisible_cursor(void)
3902 GdkColor black = { 0, 0, 0, 0 };
3903 static char bits[] = { 0x00 };
3905 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
3907 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
3911 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
3913 GdkCursor *cursor = NULL;
3914 GdkDisplay *display;
3917 if (view->cursor == new_cursor) {
3921 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
3922 display = gtk_widget_get_display (widget);
3923 view->cursor = new_cursor;
3925 switch (new_cursor) {
3926 case EV_VIEW_CURSOR_NORMAL:
3927 gdk_window_set_cursor (widget->window, NULL);
3929 case EV_VIEW_CURSOR_IBEAM:
3930 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
3932 case EV_VIEW_CURSOR_LINK:
3933 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
3935 case EV_VIEW_CURSOR_WAIT:
3936 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
3938 case EV_VIEW_CURSOR_HIDDEN:
3939 cursor = ev_view_create_invisible_cursor ();
3941 case EV_VIEW_CURSOR_DRAG:
3942 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
3947 gdk_window_set_cursor (widget->window, cursor);
3948 gdk_cursor_unref (cursor);
3954 ev_view_hide_cursor (EvView *view)
3956 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
3960 ev_view_show_cursor (EvView *view)
3962 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
3966 ev_view_next_page (EvView *view)
3970 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3972 page = ev_page_cache_get_current_page (view->page_cache);
3973 page = ev_view_get_dual_page (view) ? page + 2 : page + 1;
3975 if (page < ev_page_cache_get_n_pages (view->page_cache)) {
3976 ev_page_cache_set_current_page (view->page_cache, page);
3978 } else if (ev_view_get_dual_page (view) && page == ev_page_cache_get_n_pages (view->page_cache)) {
3979 ev_page_cache_set_current_page (view->page_cache, page - 1);
3987 ev_view_previous_page (EvView *view)
3991 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3993 page = ev_page_cache_get_current_page (view->page_cache);
3994 page = ev_view_get_dual_page (view) ? page - 2 : page - 1;
3997 ev_page_cache_set_current_page (view->page_cache, page);
3999 } else if (ev_view_get_dual_page (view) && page == -1) {
4000 ev_page_cache_set_current_page (view->page_cache, 0);
4007 /*** Enum description for usage in signal ***/
4010 ev_sizing_mode_get_type (void)
4012 static GType etype = 0;
4014 static const GEnumValue values[] = {
4015 { EV_SIZING_FIT_WIDTH, "EV_SIZING_FIT_WIDTH", "fit-width" },
4016 { EV_SIZING_BEST_FIT, "EV_SIZING_BEST_FIT", "best-fit" },
4017 { EV_SIZING_FREE, "EV_SIZING_FREE", "free" },
4020 etype = g_enum_register_static ("EvSizingMode", values);