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-links.h"
37 #include "ev-document-find.h"
38 #include "ev-document-misc.h"
40 #include "ev-job-queue.h"
41 #include "ev-page-cache.h"
42 #include "ev-pixbuf-cache.h"
43 #include "ev-tooltip.h"
45 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
46 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
47 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
65 SIGNAL_BINDING_ACTIVATED,
77 TARGET_TEXT_BUFFER_CONTENTS
80 static const GtkTargetEntry targets[] = {
81 { "STRING", 0, TARGET_STRING },
82 { "TEXT", 0, TARGET_TEXT },
83 { "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT },
84 { "UTF8_STRING", 0, TARGET_UTF8_STRING },
87 static guint signals[N_SIGNALS];
92 } EvViewFindDirection;
94 #define ZOOM_IN_FACTOR 1.2
95 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
97 #define MIN_SCALE 0.05409
100 #define SCROLL_TIME 150
103 static void scroll_to_current_page (EvView *view,
104 GtkOrientation orientation);
105 static void ev_view_set_scroll_adjustments (EvView *view,
106 GtkAdjustment *hadjustment,
107 GtkAdjustment *vadjustment);
108 static void view_update_range_and_current_page (EvView *view);
109 static void set_scroll_adjustment (EvView *view,
110 GtkOrientation orientation,
111 GtkAdjustment *adjustment);
112 static void ev_view_set_scroll_adjustments (EvView *view,
113 GtkAdjustment *hadjustment,
114 GtkAdjustment *vadjustment);
115 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
117 GdkModifierType modifiers,
119 gboolean horizontal);
120 static void ensure_rectangle_is_visible (EvView *view,
123 /*** Geometry computations ***/
124 static void compute_border (EvView *view,
128 static void get_page_y_offset (EvView *view,
132 static gboolean get_page_extents (EvView *view,
134 GdkRectangle *page_area,
136 static void view_rect_to_doc_rect (EvView *view,
137 GdkRectangle *view_rect,
138 GdkRectangle *page_area,
139 EvRectangle *doc_rect);
140 static void doc_rect_to_view_rect (EvView *view,
142 EvRectangle *doc_rect,
143 GdkRectangle *view_rect);
144 static void find_page_at_location (EvView *view,
150 static gboolean doc_point_to_view_point (EvView *view,
153 GdkPoint *view_point);
155 static EvLink * ev_view_get_link_at_location (EvView *view,
158 static char* tip_from_link (EvView *view,
160 static void handle_link_over_xy (EvView *view,
163 /*** GtkWidget implementation ***/
164 static void ev_view_size_request_continuous_dual_page (EvView *view,
165 GtkRequisition *requisition);
166 static void ev_view_size_request_continuous (EvView *view,
167 GtkRequisition *requisition);
168 static void ev_view_size_request_dual_page (EvView *view,
169 GtkRequisition *requisition);
170 static void ev_view_size_request_single_page (EvView *view,
171 GtkRequisition *requisition);
172 static void ev_view_size_request (GtkWidget *widget,
173 GtkRequisition *requisition);
174 static void ev_view_size_allocate (GtkWidget *widget,
175 GtkAllocation *allocation);
176 static void ev_view_realize (GtkWidget *widget);
177 static gboolean ev_view_scroll_event (GtkWidget *widget,
178 GdkEventScroll *event);
179 static gboolean ev_view_expose_event (GtkWidget *widget,
180 GdkEventExpose *event);
181 static gboolean ev_view_popup_menu (GtkWidget *widget);
182 static gboolean ev_view_button_press_event (GtkWidget *widget,
183 GdkEventButton *event);
184 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
185 GdkEventMotion *event);
186 static gboolean ev_view_button_release_event (GtkWidget *widget,
187 GdkEventButton *event);
188 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
189 GdkEventCrossing *event);
190 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
191 GdkEventCrossing *event);
192 static void ev_view_style_set (GtkWidget *widget,
193 GtkStyle *old_style);
195 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
198 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
199 static void draw_rubberband (GtkWidget *widget,
201 const GdkRectangle *rect,
203 static void highlight_find_results (EvView *view,
205 static void draw_one_page (EvView *view,
207 GdkRectangle *page_area,
209 GdkRectangle *expose_area,
210 gboolean *page_ready);
211 static void draw_loading_text (EvView *view,
212 GdkRectangle *page_area,
213 GdkRectangle *expose_area);
216 static void find_changed_cb (EvDocument *document,
219 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
221 static void page_changed_cb (EvPageCache *page_cache,
224 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
228 static void ev_view_finalize (GObject *object);
229 static void ev_view_destroy (GtkObject *object);
230 static void ev_view_set_property (GObject *object,
234 static void ev_view_get_property (GObject *object,
238 static void ev_view_class_init (EvViewClass *class);
239 static void ev_view_init (EvView *view);
241 /*** Zoom and sizing ***/
242 static double zoom_for_size_fit_width (int doc_width,
247 static double zoom_for_size_fit_height (int doc_width,
252 static double zoom_for_size_best_fit (int doc_width,
258 static void ev_view_zoom_for_size_presentation (EvView *view,
261 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
266 static void ev_view_zoom_for_size_continuous (EvView *view,
271 static void ev_view_zoom_for_size_dual_page (EvView *view,
276 static void ev_view_zoom_for_size_single_page (EvView *view,
282 static GdkCursor* ev_view_create_invisible_cursor (void);
283 static void ev_view_set_cursor (EvView *view,
284 EvViewCursor new_cursor);
286 /*** Status messages ***/
287 static void ev_view_set_status (EvView *view,
288 const char *message);
289 static void update_find_status_message (EvView *view,
291 static void ev_view_set_find_status (EvView *view,
292 const char *message);
294 static void jump_to_find_result (EvView *view);
295 static void jump_to_find_page (EvView *view,
296 EvViewFindDirection direction,
300 static void compute_selections (EvView *view,
303 static void clear_selection (EvView *view);
304 static void selection_free (EvViewSelection *selection);
305 static char* get_selected_text (EvView *ev_view);
306 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
307 GtkSelectionData *selection_data,
310 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
312 static void ev_view_update_primary_selection (EvView *ev_view);
315 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_WIDGET)
318 scroll_to_current_page (EvView *view, GtkOrientation orientation)
322 if (view->document == NULL) {
326 doc_point_to_view_point (view, view->current_page, &view->pending_point, &view_point);
328 if (orientation == GTK_ORIENTATION_VERTICAL) {
329 view->pending_point.y = 0;
331 view->pending_point.x = 0;
334 if (orientation == GTK_ORIENTATION_VERTICAL) {
335 if (view->continuous) {
336 gtk_adjustment_clamp_page (view->vadjustment,
337 view_point.y - view->spacing / 2,
338 view_point.y + view->vadjustment->page_size);
340 gtk_adjustment_set_value (view->vadjustment,
342 view->vadjustment->lower,
343 view->vadjustment->upper -
344 view->vadjustment->page_size));
347 if (view->dual_page) {
348 gtk_adjustment_clamp_page (view->hadjustment,
350 view_point.x + view->hadjustment->page_size);
352 gtk_adjustment_set_value (view->hadjustment,
354 view->hadjustment->lower,
355 view->hadjustment->upper -
356 view->hadjustment->page_size));
362 view_set_adjustment_values (EvView *view,
363 GtkOrientation orientation)
365 GtkWidget *widget = GTK_WIDGET (view);
366 GtkAdjustment *adjustment;
373 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
374 requisition = widget->requisition.width;
375 allocation = widget->allocation.width;
376 adjustment = view->hadjustment;
378 requisition = widget->requisition.height;
379 allocation = widget->allocation.height;
380 adjustment = view->vadjustment;
387 switch (view->pending_scroll) {
388 case SCROLL_TO_KEEP_POSITION:
389 case SCROLL_TO_FIND_LOCATION:
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 case SCROLL_TO_FIND_LOCATION:
411 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
412 gtk_adjustment_set_value (adjustment, (int)new_value);
414 case SCROLL_TO_PAGE_POSITION:
415 scroll_to_current_page (view, orientation);
417 case SCROLL_TO_CENTER:
418 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
419 0, adjustment->upper - adjustment->page_size);
420 gtk_adjustment_set_value (adjustment, (int)new_value);
424 gtk_adjustment_changed (adjustment);
428 view_update_range_and_current_page (EvView *view)
431 gint best_current_page = -1;
433 /* Presentation trumps all other modes */
434 if (view->presentation) {
435 view->start_page = view->current_page;
436 view->end_page = view->current_page;
437 } else if (view->continuous) {
438 GdkRectangle current_area, unused, page_area;
440 gboolean found = FALSE;
441 gint area_max = -1, area;
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)) {
457 area = unused.width * unused.height;
461 view->start_page = i;
463 best_current_page = i;
465 if (area > area_max) {
466 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
476 } else if (view->dual_page) {
477 if (view->current_page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) {
478 view->start_page = view->current_page;
479 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache))
480 view->end_page = view->start_page + 1;
482 view->end_page = view->start_page;
484 if (view->current_page < 1)
485 view->start_page = view->current_page;
487 view->start_page = view->current_page - 1;
488 view->end_page = view->current_page;
491 view->start_page = view->current_page;
492 view->end_page = view->current_page;
495 best_current_page = MAX (best_current_page, view->start_page);
496 current_page = ev_page_cache_get_current_page (view->page_cache);
498 if ((current_page != best_current_page) && (view->pending_scroll == SCROLL_TO_KEEP_POSITION)) {
499 view->current_page = best_current_page;
500 ev_page_cache_set_current_page (view->page_cache, best_current_page);
503 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
508 view->selection_info.selections);
512 set_scroll_adjustment (EvView *view,
513 GtkOrientation orientation,
514 GtkAdjustment *adjustment)
516 GtkAdjustment **to_set;
518 if (orientation == GTK_ORIENTATION_HORIZONTAL)
519 to_set = &view->hadjustment;
521 to_set = &view->vadjustment;
523 if (*to_set != adjustment) {
525 g_signal_handlers_disconnect_by_func (*to_set,
526 (gpointer) on_adjustment_value_changed,
528 g_object_unref (*to_set);
531 *to_set = adjustment;
532 view_set_adjustment_values (view, orientation);
535 g_object_ref (*to_set);
536 g_signal_connect (*to_set, "value_changed",
537 G_CALLBACK (on_adjustment_value_changed), view);
543 ev_view_set_scroll_adjustments (EvView *view,
544 GtkAdjustment *hadjustment,
545 GtkAdjustment *vadjustment)
547 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
548 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
550 on_adjustment_value_changed (NULL, view);
554 add_scroll_binding_keypad (GtkBindingSet *binding_set,
556 GdkModifierType modifiers,
560 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
562 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
563 "binding_activated", 2,
564 EV_TYPE_SCROLL_TYPE, scroll,
565 G_TYPE_BOOLEAN, horizontal);
566 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
567 "binding_activated", 2,
568 EV_TYPE_SCROLL_TYPE, scroll,
569 G_TYPE_BOOLEAN, horizontal);
573 ev_view_scroll (EvView *view,
577 GtkAdjustment *adjustment;
578 double value, increment;
579 gboolean first_page = FALSE;
580 gboolean last_page = FALSE;
582 view->jump_to_find_result = FALSE;
584 if (view->presentation || view->sizing_mode == EV_SIZING_BEST_FIT) {
586 case EV_SCROLL_PAGE_BACKWARD:
587 case EV_SCROLL_STEP_BACKWARD:
588 ev_view_previous_page (view);
590 case EV_SCROLL_PAGE_FORWARD:
591 case EV_SCROLL_STEP_FORWARD:
592 ev_view_next_page (view);
600 /* Assign values for increment and vertical adjustment */
601 adjustment = horizontal ? view->hadjustment : view->vadjustment;
602 increment = adjustment->page_size * 0.75;
603 value = adjustment->value;
605 /* Assign boolean for first and last page */
606 if (view->current_page == 0)
608 if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1)
612 case EV_SCROLL_PAGE_BACKWARD:
613 /* Do not jump backwards if at the first page */
614 if (value == (adjustment->lower) && first_page) {
616 /* At the top of a page, assign the upper bound limit of previous page */
617 } else if (value == (adjustment->lower)) {
618 value = adjustment->upper - adjustment->page_size;
619 ev_view_previous_page (view);
620 /* Jump to the top */
622 value = MAX (value - increment, adjustment->lower);
625 case EV_SCROLL_PAGE_FORWARD:
626 /* Do not jump forward if at the last page */
627 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
629 /* At the bottom of a page, assign the lower bound limit of next page */
630 } else if (value == (adjustment->upper - adjustment->page_size)) {
632 ev_view_next_page (view);
633 /* Jump to the bottom */
635 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
638 case EV_SCROLL_STEP_BACKWARD:
639 value -= adjustment->step_increment;
641 case EV_SCROLL_STEP_FORWARD:
642 value += adjustment->step_increment;
644 case EV_SCROLL_STEP_DOWN:
645 value -= adjustment->step_increment / 10;
647 case EV_SCROLL_STEP_UP:
648 value += adjustment->step_increment / 10;
654 value = CLAMP (value, adjustment->lower,
655 adjustment->upper - adjustment->page_size);
657 gtk_adjustment_set_value (adjustment, value);
663 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
665 GtkWidget *widget = GTK_WIDGET (view);
666 GtkAdjustment *adjustment;
669 view->pending_scroll = SCROLL_TO_FIND_LOCATION;
671 adjustment = view->vadjustment;
673 if (rect->y < adjustment->value) {
674 value = MAX (adjustment->lower, rect->y - MARGIN);
675 gtk_adjustment_set_value (view->vadjustment, value);
676 } else if (rect->y + rect->height >
677 adjustment->value + widget->allocation.height) {
678 value = MIN (adjustment->upper, rect->y + rect->height -
679 widget->allocation.height + MARGIN);
680 gtk_adjustment_set_value (view->vadjustment, value);
683 adjustment = view->hadjustment;
685 if (rect->x < adjustment->value) {
686 value = MAX (adjustment->lower, rect->x - MARGIN);
687 gtk_adjustment_set_value (view->hadjustment, value);
688 } else if (rect->x + rect->height >
689 adjustment->value + widget->allocation.width) {
690 value = MIN (adjustment->upper, rect->x + rect->width -
691 widget->allocation.width + MARGIN);
692 gtk_adjustment_set_value (view->hadjustment, value);
695 gtk_widget_queue_resize (GTK_WIDGET (view));
698 /*** Geometry computations ***/
701 compute_border (EvView *view, int width, int height, GtkBorder *border)
703 if (view->presentation) {
709 ev_document_misc_get_page_border_size (width, height, border);
714 get_page_y_offset (EvView *view, int page, double zoom, int *y_offset)
716 int max_width, offset;
719 g_return_if_fail (y_offset != NULL);
721 ev_page_cache_get_max_width (view->page_cache, view->rotation, zoom, &max_width);
723 compute_border (view, max_width, max_width, &border);
725 if (view->dual_page) {
726 ev_page_cache_get_height_to_page (view->page_cache, page,
727 view->rotation, zoom, NULL, &offset);
728 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);
730 ev_page_cache_get_height_to_page (view->page_cache, page,
731 view->rotation, zoom, &offset, NULL);
732 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
740 get_page_extents (EvView *view,
742 GdkRectangle *page_area,
748 widget = GTK_WIDGET (view);
750 /* Get the size of the page */
751 ev_page_cache_get_size (view->page_cache, page,
755 compute_border (view, width, height, border);
756 page_area->width = width + border->left + border->right;
757 page_area->height = height + border->top + border->bottom;
759 if (view->presentation) {
760 page_area->x = (MAX (0, widget->allocation.width - width))/2;
761 page_area->y = (MAX (0, widget->allocation.height - height))/2;
762 } else if (view->continuous) {
766 ev_page_cache_get_max_width (view->page_cache, view->rotation,
767 view->scale, &max_width);
768 max_width = max_width + border->left + border->right;
769 /* Get the location of the bounding box */
770 if (view->dual_page) {
771 x = view->spacing + ((page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? 0 : 1) * (max_width + view->spacing);
772 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
773 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
774 x = x + (max_width - width - border->left - border->right);
777 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
780 get_page_y_offset (view, page, view->scale, &y);
786 if (view->dual_page) {
787 gint width_2, height_2;
788 gint max_width = width;
789 gint max_height = height;
790 GtkBorder overall_border;
793 other_page = (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? page + 1: page - 1;
795 /* First, we get the bounding box of the two pages */
796 if (other_page < ev_page_cache_get_n_pages (view->page_cache)
797 && (0 <= other_page)) {
798 ev_page_cache_get_size (view->page_cache,
802 &width_2, &height_2);
805 if (height_2 > height)
806 max_height = height_2;
808 compute_border (view, max_width, max_height, &overall_border);
810 /* Find the offsets */
814 /* Adjust for being the left or right page */
815 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
816 x = x + max_width - width;
818 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
820 y = y + (max_height - height)/2;
822 /* Adjust for extra allocation */
823 x = x + MAX (0, widget->allocation.width -
824 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
825 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
830 /* Adjust for extra allocation */
831 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
832 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
843 view_point_to_doc_point (EvView *view,
844 GdkPoint *view_point,
845 GdkRectangle *page_area,
849 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
850 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
854 view_rect_to_doc_rect (EvView *view,
855 GdkRectangle *view_rect,
856 GdkRectangle *page_area,
857 EvRectangle *doc_rect)
859 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
860 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
861 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
862 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
866 doc_point_to_view_point (EvView *view,
869 GdkPoint *view_point)
871 GdkRectangle page_area;
873 double x, y, view_x, view_y;
876 ev_page_cache_get_size (view->page_cache, page,
881 if (view->rotation == 0) {
884 } else if (view->rotation == 90) {
885 x = width - doc_point->y;
887 } else if (view->rotation == 180) {
888 x = width - doc_point->x;
889 y = height - doc_point->y;
890 } else if (view->rotation == 270) {
892 y = height - doc_point->x;
894 g_assert_not_reached ();
897 get_page_extents (view, page, &page_area, &border);
899 view_x = x * view->scale;
900 view_y = y * view->scale;
901 view_point->x = view_x + page_area.x;
902 view_point->y = view_y + page_area.y;
904 return (view_x > 0 && view_x <= page_area.width &&
905 view_y > 0 && view_y <= page_area.height);
909 doc_rect_to_view_rect (EvView *view,
911 EvRectangle *doc_rect,
912 GdkRectangle *view_rect)
914 GdkRectangle page_area;
919 ev_page_cache_get_size (view->page_cache, page,
924 if (view->rotation == 0) {
927 w = doc_rect->x2 - doc_rect->x1;
928 h = doc_rect->y2 - doc_rect->y1;
929 } else if (view->rotation == 90) {
930 x = width - doc_rect->y2;
932 w = doc_rect->y2 - doc_rect->y1;
933 h = doc_rect->x2 - doc_rect->x1;
934 } else if (view->rotation == 180) {
935 x = width - doc_rect->x2;
936 y = height - doc_rect->y2;
937 w = doc_rect->x2 - doc_rect->x1;
938 h = doc_rect->y2 - doc_rect->y1;
939 } else if (view->rotation == 270) {
941 y = height - doc_rect->x2;
942 w = doc_rect->y2 - doc_rect->y1;
943 h = doc_rect->x2 - doc_rect->x1;
945 g_assert_not_reached ();
948 get_page_extents (view, page, &page_area, &border);
950 view_rect->x = x * view->scale + page_area.x;
951 view_rect->y = y * view->scale + page_area.y;
952 view_rect->width = w * view->scale;
953 view_rect->height = h * view->scale;
957 find_page_at_location (EvView *view,
966 if (view->document == NULL)
973 for (i = view->start_page; i <= view->end_page; i++) {
974 GdkRectangle page_area;
977 if (! get_page_extents (view, i, &page_area, &border))
980 if ((x >= page_area.x + border.left) &&
981 (x < page_area.x + page_area.width - border.right) &&
982 (y >= page_area.y + border.top) &&
983 (y < page_area.y + page_area.height - border.bottom)) {
985 *x_offset = x - (page_area.x + border.left);
986 *y_offset = y - (page_area.y + border.top);
995 location_in_text (EvView *view,
1001 gint x_offset = 0, y_offset = 0;
1003 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1008 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
1011 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1017 ev_view_get_width (EvView *view)
1019 return GTK_WIDGET (view)->allocation.width;
1023 ev_view_get_height (EvView *view)
1025 return GTK_WIDGET (view)->allocation.height;
1029 location_in_selected_text (EvView *view,
1034 gint x_offset = 0, y_offset = 0;
1035 EvViewSelection *selection;
1038 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1039 selection = (EvViewSelection *)l->data;
1041 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1043 if (page != selection->page)
1046 if (selection->covered_region &&
1047 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1056 ev_view_get_link_at_location (EvView *view,
1061 gint x_offset = 0, y_offset = 0;
1062 GList *link_mapping;
1064 x += view->scroll_x;
1065 y += view->scroll_y;
1067 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1072 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1075 return ev_link_mapping_find (link_mapping, x_offset / view->scale, y_offset / view->scale);
1081 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1086 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - ev_link_dest_get_left (dest),
1087 ev_link_dest_get_bottom (dest) - ev_link_dest_get_top (dest),
1088 ev_view_get_width (view),
1089 ev_view_get_height (view), 0, 0);
1091 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1092 ev_view_set_zoom (view, zoom, FALSE);
1094 doc_point.x = ev_link_dest_get_left (dest);
1095 doc_point.y = ev_link_dest_get_top (dest);
1097 view->current_page = ev_link_dest_get_page (dest);
1098 view->pending_point = doc_point;
1099 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1101 gtk_widget_queue_resize (GTK_WIDGET (view));
1105 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1108 int doc_width, doc_height, page;
1111 page = ev_link_dest_get_page (dest);
1112 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1114 doc_point.x = ev_link_dest_get_left (dest);
1117 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1118 ev_view_get_width (view),
1119 ev_view_get_height (view), 0);
1121 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1122 ev_view_set_zoom (view, zoom, FALSE);
1124 view->current_page = page;
1125 view->pending_point = doc_point;
1126 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1128 gtk_widget_queue_resize (GTK_WIDGET (view));
1132 goto_fith_dest (EvView *view, EvLinkDest *dest)
1135 int doc_width, doc_height, page;
1138 page = ev_link_dest_get_page (dest);
1139 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1142 doc_point.y = ev_link_dest_get_top (dest);
1144 zoom = zoom_for_size_fit_width (doc_width, ev_link_dest_get_top (dest),
1145 ev_view_get_width (view),
1146 ev_view_get_height (view), 0);
1148 ev_view_set_sizing_mode (view, EV_SIZING_FIT_WIDTH);
1149 ev_view_set_zoom (view, zoom, FALSE);
1151 view->current_page = page;
1152 view->pending_point = doc_point;
1153 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1155 gtk_widget_queue_resize (GTK_WIDGET (view));
1159 goto_fit_dest (EvView *view, EvLinkDest *dest)
1162 int doc_width, doc_height;
1165 page = ev_link_dest_get_page (dest);
1166 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1168 zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view),
1169 ev_view_get_height (view), 0, 0);
1171 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
1172 ev_view_set_zoom (view, zoom, FALSE);
1174 view->current_page = page;
1175 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1177 gtk_widget_queue_resize (GTK_WIDGET (view));
1181 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1187 zoom = ev_link_dest_get_zoom (dest);
1188 page = ev_link_dest_get_page (dest);
1191 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1192 ev_view_set_zoom (view, zoom, FALSE);
1195 doc_point.x = ev_link_dest_get_left (dest);
1196 doc_point.y = ev_link_dest_get_top (dest);
1198 view->current_page = page;
1199 view->pending_point = doc_point;
1200 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1202 gtk_widget_queue_resize (GTK_WIDGET (view));
1206 goto_dest (EvView *view, EvLinkDest *dest)
1208 EvLinkDestType type;
1211 page = ev_link_dest_get_page (dest);
1212 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1214 if (page < 0 || page >= n_pages)
1217 type = ev_link_dest_get_dest_type (dest);
1220 case EV_LINK_DEST_TYPE_PAGE:
1221 ev_page_cache_set_current_page (view->page_cache, page);
1223 case EV_LINK_DEST_TYPE_FIT:
1224 goto_fit_dest (view, dest);
1226 case EV_LINK_DEST_TYPE_FITH:
1227 goto_fith_dest (view, dest);
1229 case EV_LINK_DEST_TYPE_FITV:
1230 goto_fitv_dest (view, dest);
1232 case EV_LINK_DEST_TYPE_FITR:
1233 goto_fitr_dest (view, dest);
1235 case EV_LINK_DEST_TYPE_XYZ:
1236 goto_xyz_dest (view, dest);
1238 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1239 ev_page_cache_set_page_label (view->page_cache, ev_link_dest_get_page_label (dest));
1242 g_assert_not_reached ();
1247 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1249 EvLinkDestType type;
1251 type = ev_link_dest_get_dest_type (dest);
1253 if (type == EV_LINK_DEST_TYPE_NAMED) {
1255 const gchar *named_dest;
1257 named_dest = ev_link_dest_get_named_dest (dest);
1258 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1261 goto_dest (view, dest2);
1262 g_object_unref (dest2);
1268 goto_dest (view, dest);
1272 ev_view_handle_link (EvView *view, EvLink *link)
1274 EvLinkAction *action = NULL;
1275 EvLinkActionType type;
1277 action = ev_link_get_action (link);
1281 type = ev_link_action_get_action_type (action);
1284 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1287 dest = ev_link_action_get_dest (action);
1288 ev_view_goto_dest (view, dest);
1291 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1292 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1293 case EV_LINK_ACTION_TYPE_LAUNCH:
1294 case EV_LINK_ACTION_TYPE_NAMED:
1295 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1301 page_label_from_dest (EvView *view, EvLinkDest *dest)
1303 EvLinkDestType type;
1306 type = ev_link_dest_get_dest_type (dest);
1309 case EV_LINK_DEST_TYPE_NAMED: {
1311 const gchar *named_dest;
1313 named_dest = ev_link_dest_get_named_dest (dest);
1314 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1317 msg = ev_page_cache_get_page_label (view->page_cache,
1318 ev_link_dest_get_page (dest2));
1319 g_object_unref (dest2);
1325 msg = ev_page_cache_get_page_label (view->page_cache,
1326 ev_link_dest_get_page (dest));
1333 tip_from_action_named (EvLinkAction *action)
1335 const gchar *name = ev_link_action_get_name (action);
1337 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1338 return g_strdup (_("Go to first page"));
1339 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1340 return g_strdup (_("Go to previous page"));
1341 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1342 return g_strdup (_("Go to next page"));
1343 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1344 return g_strdup (_("Go to last page"));
1345 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1346 return g_strdup (_("Go to page"));
1347 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1348 return g_strdup (_("Find"));
1355 tip_from_link (EvView *view, EvLink *link)
1357 EvLinkAction *action;
1358 EvLinkActionType type;
1363 action = ev_link_get_action (link);
1364 title = ev_link_get_title (link);
1367 return title ? g_strdup (title) : NULL;
1369 type = ev_link_action_get_action_type (action);
1372 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1373 page_label = page_label_from_dest (view,
1374 ev_link_action_get_dest (action));
1375 msg = g_strdup_printf (_("Go to page %s"), page_label);
1376 g_free (page_label);
1378 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1380 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1381 ev_link_action_get_filename (action));
1383 msg = g_strdup_printf (_("Go to file “%s”"),
1384 ev_link_action_get_filename (action));
1388 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1389 msg = g_strdup (ev_link_action_get_uri (action));
1391 case EV_LINK_ACTION_TYPE_LAUNCH:
1392 msg = g_strdup_printf (_("Launch %s"),
1393 ev_link_action_get_filename (action));
1395 case EV_LINK_ACTION_TYPE_NAMED:
1396 msg = tip_from_action_named (action);
1400 msg = g_strdup (title);
1408 handle_link_over_xy (EvView *view, gint x, gint y)
1412 link = ev_view_get_link_at_location (view, x, y);
1414 if (view->link_tooltip == NULL) {
1415 view->link_tooltip = ev_tooltip_new (GTK_WIDGET (view));
1418 if (view->hovered_link != link) {
1419 view->hovered_link = link;
1420 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
1424 char *msg = tip_from_link (view, link);
1426 if (msg && g_utf8_validate (msg, -1, NULL)) {
1427 EvTooltip *tooltip = EV_TOOLTIP (view->link_tooltip);
1429 ev_tooltip_set_position (tooltip, x, y);
1430 ev_tooltip_set_text (tooltip, msg);
1431 ev_tooltip_activate (tooltip);
1435 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1436 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1437 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1439 ev_view_set_status (view, NULL);
1440 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1441 view->cursor == EV_VIEW_CURSOR_IBEAM)
1442 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1447 /*** GtkWidget implementation ***/
1450 ev_view_size_request_continuous_dual_page (EvView *view,
1451 GtkRequisition *requisition)
1457 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1458 view->scale, &max_width);
1459 compute_border (view, max_width, max_width, &border);
1461 n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1;
1463 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
1464 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1466 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1467 requisition->width = 1;
1468 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1469 requisition->width = 1;
1470 /* FIXME: This could actually be set on one page docs or docs
1471 * with a strange aspect ratio. */
1472 /* requisition->height = 1;*/
1477 ev_view_size_request_continuous (EvView *view,
1478 GtkRequisition *requisition)
1485 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1486 view->scale, &max_width);
1487 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1488 compute_border (view, max_width, max_width, &border);
1490 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
1491 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1493 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1494 requisition->width = 1;
1495 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1496 requisition->width = 1;
1497 /* FIXME: This could actually be set on one page docs or docs
1498 * with a strange aspect ratio. */
1499 /* requisition->height = 1;*/
1504 ev_view_size_request_dual_page (EvView *view,
1505 GtkRequisition *requisition)
1510 /* Find the largest of the two. */
1511 ev_page_cache_get_size (view->page_cache,
1516 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) {
1517 gint width_2, height_2;
1518 ev_page_cache_get_size (view->page_cache,
1519 view->current_page + 1,
1522 &width_2, &height_2);
1523 if (width_2 > width) {
1528 compute_border (view, width, height, &border);
1530 requisition->width = ((width + border.left + border.right) * 2) +
1531 (view->spacing * 3);
1532 requisition->height = (height + border.top + border.bottom) +
1533 (view->spacing * 2);
1535 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1536 requisition->width = 1;
1537 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1538 requisition->width = 1;
1539 requisition->height = 1;
1544 ev_view_size_request_single_page (EvView *view,
1545 GtkRequisition *requisition)
1550 ev_page_cache_get_size (view->page_cache,
1555 compute_border (view, width, height, &border);
1557 requisition->width = width + border.left + border.right + (2 * view->spacing);
1558 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1560 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1561 requisition->width = 1;
1562 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1563 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1564 requisition->width = 1;
1565 requisition->height = 1;
1570 ev_view_size_request (GtkWidget *widget,
1571 GtkRequisition *requisition)
1573 EvView *view = EV_VIEW (widget);
1575 if (view->document == NULL) {
1576 requisition->width = 1;
1577 requisition->height = 1;
1581 if (view->presentation) {
1582 requisition->width = 1;
1583 requisition->height = 1;
1587 if (view->continuous && view->dual_page)
1588 ev_view_size_request_continuous_dual_page (view, requisition);
1589 else if (view->continuous)
1590 ev_view_size_request_continuous (view, requisition);
1591 else if (view->dual_page)
1592 ev_view_size_request_dual_page (view, requisition);
1594 ev_view_size_request_single_page (view, requisition);
1598 ev_view_size_allocate (GtkWidget *widget,
1599 GtkAllocation *allocation)
1601 EvView *view = EV_VIEW (widget);
1603 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
1604 view->sizing_mode == EV_SIZING_BEST_FIT) {
1606 g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0);
1608 ev_view_size_request (widget, &widget->requisition);
1611 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
1612 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
1615 view_update_range_and_current_page (view);
1617 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
1618 view->pending_resize = FALSE;
1620 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
1624 ev_view_realize (GtkWidget *widget)
1626 EvView *view = EV_VIEW (widget);
1627 GdkWindowAttr attributes;
1629 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
1632 attributes.window_type = GDK_WINDOW_CHILD;
1633 attributes.wclass = GDK_INPUT_OUTPUT;
1634 attributes.visual = gtk_widget_get_visual (widget);
1635 attributes.colormap = gtk_widget_get_colormap (widget);
1637 attributes.x = widget->allocation.x;
1638 attributes.y = widget->allocation.y;
1639 attributes.width = widget->allocation.width;
1640 attributes.height = widget->allocation.height;
1641 attributes.event_mask = GDK_EXPOSURE_MASK |
1642 GDK_BUTTON_PRESS_MASK |
1643 GDK_BUTTON_RELEASE_MASK |
1645 GDK_KEY_PRESS_MASK |
1646 GDK_POINTER_MOTION_MASK |
1647 GDK_POINTER_MOTION_HINT_MASK |
1648 GDK_ENTER_NOTIFY_MASK |
1649 GDK_LEAVE_NOTIFY_MASK;
1651 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
1653 GDK_WA_X | GDK_WA_Y |
1656 gdk_window_set_user_data (widget->window, widget);
1657 widget->style = gtk_style_attach (widget->style, widget->window);
1659 if (view->presentation)
1660 gdk_window_set_background (widget->window, &widget->style->black);
1662 gdk_window_set_background (widget->window, &widget->style->mid [GTK_STATE_NORMAL]);
1666 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
1668 EvView *view = EV_VIEW (widget);
1671 state = event->state & gtk_accelerator_get_default_mod_mask ();
1673 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
1674 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1676 if (event->direction == GDK_SCROLL_UP ||
1677 event->direction == GDK_SCROLL_LEFT) {
1678 if (ev_view_can_zoom_in (view)) {
1679 ev_view_zoom_in (view);
1682 if (ev_view_can_zoom_out (view)) {
1683 ev_view_zoom_out (view);
1690 view->jump_to_find_result = FALSE;
1691 /* Shift+Wheel scrolls the in the perpendicular direction */
1692 if (state & GDK_SHIFT_MASK) {
1693 if (event->direction == GDK_SCROLL_UP)
1694 event->direction = GDK_SCROLL_LEFT;
1695 if (event->direction == GDK_SCROLL_LEFT)
1696 event->direction = GDK_SCROLL_UP;
1697 if (event->direction == GDK_SCROLL_DOWN)
1698 event->direction = GDK_SCROLL_RIGHT;
1699 if (event->direction == GDK_SCROLL_RIGHT)
1700 event->direction = GDK_SCROLL_DOWN;
1702 event->state &= ~GDK_SHIFT_MASK;
1703 state &= ~GDK_SHIFT_MASK;
1706 if (state == 0 && view->presentation) {
1707 switch (event->direction) {
1708 case GDK_SCROLL_DOWN:
1709 case GDK_SCROLL_RIGHT:
1710 ev_view_next_page (view);
1713 case GDK_SCROLL_LEFT:
1714 ev_view_previous_page (view);
1724 static EvViewSelection *
1725 find_selection_for_page (EvView *view,
1730 for (list = view->selection_info.selections; list != NULL; list = list->next) {
1731 EvViewSelection *selection;
1733 selection = (EvViewSelection *) list->data;
1735 if (selection->page == page)
1743 ev_view_expose_event (GtkWidget *widget,
1744 GdkEventExpose *event)
1746 EvView *view = EV_VIEW (widget);
1749 if (view->loading) {
1750 GdkRectangle area = {0};
1752 area.width = widget->allocation.width;
1753 area.height = widget->allocation.height;
1755 draw_loading_text (view,
1760 if (view->document == NULL)
1763 for (i = view->start_page; i <= view->end_page; i++) {
1764 GdkRectangle page_area;
1766 gboolean page_ready = TRUE;
1768 if (!get_page_extents (view, i, &page_area, &border))
1771 page_area.x -= view->scroll_x;
1772 page_area.y -= view->scroll_y;
1774 draw_one_page (view, i, &page_area, &border, &(event->area), &page_ready);
1776 if (page_ready && EV_IS_DOCUMENT_FIND (view->document))
1777 highlight_find_results (view, i);
1784 ev_view_popup_menu (GtkWidget *widget)
1788 EvView *view = EV_VIEW (widget);
1790 gtk_widget_get_pointer (widget, &x, &y);
1791 link = ev_view_get_link_at_location (view, x, y);
1792 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
1797 ev_view_button_press_event (GtkWidget *widget,
1798 GdkEventButton *event)
1800 EvView *view = EV_VIEW (widget);
1803 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
1804 gtk_widget_grab_focus (widget);
1807 view->pressed_button = event->button;
1808 view->selection_info.in_drag = FALSE;
1810 switch (event->button) {
1812 if (view->selection_info.selections) {
1813 if (location_in_selected_text (view,
1814 event->x + view->scroll_x,
1815 event->y + view->scroll_y)) {
1816 view->selection_info.in_drag = TRUE;
1818 clear_selection (view);
1821 gtk_widget_queue_draw (widget);
1824 view->selection_info.start.x = event->x + view->scroll_x;
1825 view->selection_info.start.y = event->y + view->scroll_y;
1829 /* use root coordinates as reference point because
1830 * scrolling changes window relative coordinates */
1831 view->drag_info.start.x = event->x_root;
1832 view->drag_info.start.y = event->y_root;
1833 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
1834 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
1836 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1840 link = ev_view_get_link_at_location (view, event->x, event->y);
1841 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
1849 ev_view_drag_data_get (GtkWidget *widget,
1850 GdkDragContext *context,
1851 GtkSelectionData *selection_data,
1855 EvView *view = EV_VIEW (widget);
1857 if (view->selection_info.selections &&
1858 ev_document_can_get_text (view->document)) {
1861 text = get_selected_text (view);
1863 gtk_selection_data_set_text (selection_data, text, strlen (text));
1870 selection_update_idle_cb (EvView *view)
1872 compute_selections (view, &view->selection_info.start, &view->motion);
1873 view->selection_update_id = 0;
1878 selection_scroll_timeout_cb (EvView *view)
1880 gint x, y, shift = 0;
1881 GtkWidget *widget = GTK_WIDGET (view);
1883 gtk_widget_get_pointer (widget, &x, &y);
1885 if (y > widget->allocation.height) {
1886 shift = (y - widget->allocation.height) / 2;
1892 gtk_adjustment_set_value (view->vadjustment,
1893 CLAMP (view->vadjustment->value + shift,
1894 view->vadjustment->lower,
1895 view->vadjustment->upper -
1896 view->vadjustment->page_size));
1898 if (x > widget->allocation.width) {
1899 shift = (x - widget->allocation.width) / 2;
1905 gtk_adjustment_set_value (view->hadjustment,
1906 CLAMP (view->hadjustment->value + shift,
1907 view->hadjustment->lower,
1908 view->hadjustment->upper -
1909 view->hadjustment->page_size));
1915 ev_view_motion_notify_event (GtkWidget *widget,
1916 GdkEventMotion *event)
1918 EvView *view = EV_VIEW (widget);
1921 if (!view->document)
1924 if (event->is_hint || event->window != widget->window) {
1925 gtk_widget_get_pointer (widget, &x, &y);
1931 if (view->selection_info.in_drag) {
1932 if (gtk_drag_check_threshold (widget,
1933 view->selection_info.start.x,
1934 view->selection_info.start.y,
1936 GdkDragContext *context;
1937 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
1939 gtk_target_list_add_text_targets (target_list, 0);
1941 context = gtk_drag_begin (widget, target_list,
1943 1, (GdkEvent *)event);
1945 view->selection_info.in_drag = FALSE;
1947 gtk_target_list_unref (target_list);
1953 /* For the Evince 0.4.x release, we limit selection to un-rotated
1956 if (view->pressed_button == 1 && view->rotation == 0) {
1958 /* Schedule timeout to scroll during selection and additionally
1959 * scroll once to allow arbitrary speed. */
1960 if (!view->selection_scroll_id)
1961 view->selection_scroll_id = g_timeout_add (SCROLL_TIME, (GSourceFunc)selection_scroll_timeout_cb, view);
1963 selection_scroll_timeout_cb (view);
1965 view->selection_info.in_selection = TRUE;
1966 view->motion.x = x + view->scroll_x;
1967 view->motion.y = y + view->scroll_y;
1969 /* Queue an idle to handle the motion. We do this because
1970 * handling any selection events in the motion could be slower
1971 * than new motion events reach us. We always put it in the
1972 * idle to make sure we catch up and don't visibly lag the
1974 if (!view->selection_update_id)
1975 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
1978 } else if (view->pressed_button == 2) {
1979 if (!view->drag_info.in_drag) {
1982 start = gtk_drag_check_threshold (widget,
1983 view->drag_info.start.x,
1984 view->drag_info.start.y,
1987 view->drag_info.in_drag = start;
1990 if (view->drag_info.in_drag) {
1992 gdouble dhadj_value, dvadj_value;
1994 dx = event->x_root - view->drag_info.start.x;
1995 dy = event->y_root - view->drag_info.start.y;
1997 dhadj_value = view->hadjustment->page_size *
1998 (gdouble)dx / widget->allocation.width;
1999 dvadj_value = view->vadjustment->page_size *
2000 (gdouble)dy / widget->allocation.height;
2002 /* clamp scrolling to visible area */
2003 gtk_adjustment_set_value (view->hadjustment,
2004 MIN(view->drag_info.hadj - dhadj_value,
2005 view->hadjustment->upper -
2006 view->hadjustment->page_size));
2007 gtk_adjustment_set_value (view->vadjustment,
2008 MIN(view->drag_info.vadj - dvadj_value,
2009 view->vadjustment->upper -
2010 view->vadjustment->page_size));
2014 /* For the Evince 0.4.x release, we limit links to un-rotated documents
2017 } else if (view->pressed_button <= 0 &&
2018 view->rotation == 0) {
2019 handle_link_over_xy (view, x, y);
2027 ev_view_button_release_event (GtkWidget *widget,
2028 GdkEventButton *event)
2030 EvView *view = EV_VIEW (widget);
2033 if (view->pressed_button == 2) {
2034 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
2037 if (view->document && view->pressed_button == 1) {
2038 link = ev_view_get_link_at_location (view, event->x, event->y);
2043 view->pressed_button = -1;
2044 view->drag_info.in_drag = FALSE;
2046 if (view->selection_scroll_id) {
2047 g_source_remove (view->selection_scroll_id);
2048 view->selection_scroll_id = 0;
2050 if (view->selection_update_id) {
2051 g_source_remove (view->selection_update_id);
2052 view->selection_update_id = 0;
2055 if (view->selection_info.selections) {
2056 ev_view_update_primary_selection (view);
2058 if (view->selection_info.in_drag) {
2059 clear_selection (view);
2060 gtk_widget_queue_draw (widget);
2063 view->selection_info.in_drag = FALSE;
2065 ev_view_handle_link (view, link);
2066 } else if (view->presentation) {
2067 switch (event->button) {
2069 ev_view_next_page (view);
2072 ev_view_previous_page (view);
2081 ev_view_focus_in (GtkWidget *widget,
2082 GdkEventFocus *event)
2084 if (EV_VIEW (widget)->pixbuf_cache)
2085 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
2086 gtk_widget_queue_draw (widget);
2092 ev_view_focus_out (GtkWidget *widget,
2093 GdkEventFocus *event)
2095 if (EV_VIEW (widget)->pixbuf_cache)
2096 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
2097 gtk_widget_queue_draw (widget);
2103 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
2105 EvView *view = EV_VIEW (widget);
2107 ev_view_set_status (view, NULL);
2109 if (view->cursor == EV_VIEW_CURSOR_LINK ||
2110 view->cursor == EV_VIEW_CURSOR_IBEAM)
2111 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
2113 if (view->link_tooltip) {
2114 view->hovered_link = NULL;
2115 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
2122 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
2124 EvView *view = EV_VIEW (widget);
2126 handle_link_over_xy (view, event->x, event->y);
2132 ev_view_style_set (GtkWidget *widget,
2133 GtkStyle *old_style)
2135 if (EV_VIEW (widget)->pixbuf_cache)
2136 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
2138 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
2144 ev_gdk_color_to_rgb (const GdkColor *color)
2147 result = (0xff0000 | (color->red & 0xff00));
2149 result |= ((color->green & 0xff00) | (color->blue >> 8));
2154 draw_rubberband (GtkWidget *widget, GdkWindow *window,
2155 const GdkRectangle *rect, guchar alpha)
2159 GdkColor *fill_color_gdk;
2162 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
2163 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
2165 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
2166 rect->width, rect->height);
2167 gdk_pixbuf_fill (pixbuf, fill_color);
2169 gdk_draw_pixbuf (window, NULL, pixbuf,
2171 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
2172 rect->width, rect->height,
2173 GDK_RGB_DITHER_NONE,
2176 g_object_unref (pixbuf);
2178 gc = gdk_gc_new (window);
2179 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
2180 gdk_draw_rectangle (window, gc, FALSE,
2181 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
2184 g_object_unref (gc);
2186 gdk_color_free (fill_color_gdk);
2191 highlight_find_results (EvView *view, int page)
2193 EvDocumentFind *find;
2196 g_return_if_fail (EV_IS_DOCUMENT_FIND (view->document));
2198 find = EV_DOCUMENT_FIND (view->document);
2200 results = ev_document_find_get_n_results (find, page);
2202 for (i = 0; i < results; i++) {
2203 EvRectangle rectangle;
2204 GdkRectangle view_rectangle;
2207 if (i == view->find_result && page == view->current_page) {
2213 ev_document_find_get_result (find, page, i, &rectangle);
2214 doc_rect_to_view_rect (view, page, &rectangle, &view_rectangle);
2215 draw_rubberband (GTK_WIDGET (view), GTK_WIDGET(view)->window,
2216 &view_rectangle, alpha);
2221 draw_loading_text (EvView *view,
2222 GdkRectangle *page_area,
2223 GdkRectangle *expose_area)
2225 PangoLayout *layout;
2226 PangoFontDescription *font_desc;
2227 PangoRectangle logical_rect;
2231 /* Don't annoy users with loading messages during presentations.
2232 * FIXME: Temporary "workaround" for
2233 * http://bugzilla.gnome.org/show_bug.cgi?id=320352 */
2234 if (view->presentation)
2237 const char *loading_text = _("Loading...");
2239 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
2241 font_desc = pango_font_description_new ();
2244 /* We set the font to be 10 points, get the size, and scale appropriately */
2245 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
2246 pango_layout_set_font_description (layout, font_desc);
2247 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2249 /* Make sure we fit the middle of the page */
2250 target_width = MAX (page_area->width / 2, 1);
2251 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
2252 pango_font_description_set_size (font_desc, (int)real_scale);
2253 pango_layout_set_font_description (layout, font_desc);
2254 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2256 gtk_paint_layout (GTK_WIDGET (view)->style,
2257 GTK_WIDGET (view)->window,
2258 GTK_WIDGET_STATE (view),
2263 page_area->x + (target_width/2),
2264 page_area->y + (page_area->height - logical_rect.height) / 2,
2267 pango_font_description_free (font_desc);
2268 g_object_unref (layout);
2272 draw_one_page (EvView *view,
2274 GdkRectangle *page_area,
2276 GdkRectangle *expose_area,
2277 gboolean *page_ready)
2280 GdkPixbuf *current_pixbuf;
2281 GdkRectangle overlap;
2282 GdkRectangle real_page_area;
2283 EvViewSelection *selection;
2286 g_assert (view->document);
2288 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
2291 current_page = ev_page_cache_get_current_page (view->page_cache);
2292 selection = find_selection_for_page (view, page);
2293 ev_page_cache_get_size (view->page_cache,
2294 page, view->rotation,
2297 /* Render the document itself */
2298 real_page_area = *page_area;
2300 real_page_area.x += border->left;
2301 real_page_area.y += border->top;
2302 real_page_area.width -= (border->left + border->right);
2303 real_page_area.height -= (border->top + border->bottom);
2306 ev_document_misc_paint_one_page (GTK_WIDGET(view)->window,
2309 page == current_page);
2311 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
2312 GdkPixbuf *selection_pixbuf = NULL;
2313 GdkPixbuf *scaled_image;
2314 GdkPixbuf *scaled_selection;
2316 current_pixbuf = ev_pixbuf_cache_get_pixbuf (view->pixbuf_cache, page);
2318 /* Get the selection pixbuf iff we have something to draw */
2319 if (current_pixbuf && view->selection_mode == EV_VIEW_SELECTION_TEXT && selection)
2320 selection_pixbuf = ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
2325 if (current_pixbuf == NULL)
2326 scaled_image = NULL;
2327 else if (width == gdk_pixbuf_get_width (current_pixbuf) &&
2328 height == gdk_pixbuf_get_height (current_pixbuf))
2329 scaled_image = g_object_ref (current_pixbuf);
2331 /* FIXME: We don't want to scale the whole area, just the right
2333 scaled_image = gdk_pixbuf_scale_simple (current_pixbuf,
2335 GDK_INTERP_NEAREST);
2337 if (selection_pixbuf == NULL)
2338 scaled_selection = NULL;
2339 else if (width == gdk_pixbuf_get_width (selection_pixbuf) &&
2340 height == gdk_pixbuf_get_height (selection_pixbuf))
2341 scaled_selection = g_object_ref (selection_pixbuf);
2343 /* FIXME: We don't want to scale the whole area, just the right
2345 scaled_selection = gdk_pixbuf_scale_simple (selection_pixbuf,
2347 GDK_INTERP_NEAREST);
2350 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2351 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2353 overlap.x - real_page_area.x,
2354 overlap.y - real_page_area.y,
2355 overlap.x, overlap.y,
2356 overlap.width, overlap.height,
2357 GDK_RGB_DITHER_NORMAL,
2359 g_object_unref (scaled_image);
2361 draw_loading_text (view,
2364 *page_ready = FALSE;
2367 if (scaled_selection) {
2368 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2369 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2371 overlap.x - real_page_area.x,
2372 overlap.y - real_page_area.y,
2373 overlap.x, overlap.y,
2374 overlap.width, overlap.height,
2375 GDK_RGB_DITHER_NORMAL,
2377 g_object_unref (scaled_selection);
2382 /*** GObject functions ***/
2385 ev_view_finalize (GObject *object)
2387 EvView *view = EV_VIEW (object);
2391 g_free (view->status);
2392 g_free (view->find_status);
2394 clear_selection (view);
2396 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
2400 ev_view_destroy (GtkObject *object)
2402 EvView *view = EV_VIEW (object);
2404 if (view->document) {
2405 g_object_unref (view->document);
2406 view->document = NULL;
2409 if (view->pixbuf_cache) {
2410 g_object_unref (view->pixbuf_cache);
2411 view->pixbuf_cache = NULL;
2414 if (view->link_tooltip) {
2415 gtk_widget_destroy (view->link_tooltip);
2416 view->link_tooltip = NULL;
2419 if (view->selection_scroll_id) {
2420 g_source_remove (view->selection_scroll_id);
2421 view->selection_scroll_id = 0;
2424 if (view->selection_update_id) {
2425 g_source_remove (view->selection_update_id);
2426 view->selection_update_id = 0;
2429 ev_view_set_scroll_adjustments (view, NULL, NULL);
2431 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
2435 ev_view_set_property (GObject *object,
2437 const GValue *value,
2440 EvView *view = EV_VIEW (object);
2443 case PROP_CONTINUOUS:
2444 ev_view_set_continuous (view, g_value_get_boolean (value));
2446 case PROP_DUAL_PAGE:
2447 ev_view_set_dual_page (view, g_value_get_boolean (value));
2449 case PROP_FULLSCREEN:
2450 ev_view_set_fullscreen (view, g_value_get_boolean (value));
2452 case PROP_PRESENTATION:
2453 ev_view_set_presentation (view, g_value_get_boolean (value));
2455 case PROP_SIZING_MODE:
2456 ev_view_set_sizing_mode (view, g_value_get_enum (value));
2459 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
2462 ev_view_set_rotation (view, g_value_get_int (value));
2465 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2470 ev_view_get_accessible (GtkWidget *widget)
2472 static gboolean first_time = TRUE;
2475 AtkObjectFactory *factory;
2476 AtkRegistry *registry;
2478 GType derived_atk_type;
2481 * Figure out whether accessibility is enabled by looking at the
2482 * type of the accessible object which would be created for
2483 * the parent type of EvView.
2485 derived_type = g_type_parent (EV_TYPE_VIEW);
2487 registry = atk_get_default_registry ();
2488 factory = atk_registry_get_factory (registry,
2490 derived_atk_type = atk_object_factory_get_accessible_type (factory);
2491 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
2492 atk_registry_set_factory_type (registry,
2494 ev_view_accessible_factory_get_type ());
2497 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
2501 ev_view_get_property (GObject *object,
2506 EvView *view = EV_VIEW (object);
2510 g_value_set_string (value, view->status);
2512 case PROP_FIND_STATUS:
2513 g_value_set_string (value, view->status);
2515 case PROP_CONTINUOUS:
2516 g_value_set_boolean (value, view->continuous);
2518 case PROP_DUAL_PAGE:
2519 g_value_set_boolean (value, view->dual_page);
2521 case PROP_FULLSCREEN:
2522 g_value_set_boolean (value, view->fullscreen);
2524 case PROP_PRESENTATION:
2525 g_value_set_boolean (value, view->presentation);
2527 case PROP_SIZING_MODE:
2528 g_value_set_enum (value, view->sizing_mode);
2531 g_value_set_double (value, view->scale);
2534 g_value_set_int (value, view->rotation);
2536 case PROP_HAS_SELECTION:
2537 g_value_set_boolean (value,
2538 view->selection_info.selections != NULL);
2541 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2546 ev_view_class_init (EvViewClass *class)
2548 GObjectClass *object_class = G_OBJECT_CLASS (class);
2549 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
2550 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
2551 GtkBindingSet *binding_set;
2553 object_class->finalize = ev_view_finalize;
2554 object_class->set_property = ev_view_set_property;
2555 object_class->get_property = ev_view_get_property;
2557 widget_class->expose_event = ev_view_expose_event;
2558 widget_class->button_press_event = ev_view_button_press_event;
2559 widget_class->motion_notify_event = ev_view_motion_notify_event;
2560 widget_class->button_release_event = ev_view_button_release_event;
2561 widget_class->focus_in_event = ev_view_focus_in;
2562 widget_class->focus_out_event = ev_view_focus_out;
2563 widget_class->get_accessible = ev_view_get_accessible;
2564 widget_class->size_request = ev_view_size_request;
2565 widget_class->size_allocate = ev_view_size_allocate;
2566 widget_class->realize = ev_view_realize;
2567 widget_class->scroll_event = ev_view_scroll_event;
2568 widget_class->enter_notify_event = ev_view_enter_notify_event;
2569 widget_class->leave_notify_event = ev_view_leave_notify_event;
2570 widget_class->style_set = ev_view_style_set;
2571 widget_class->drag_data_get = ev_view_drag_data_get;
2572 widget_class->popup_menu = ev_view_popup_menu;
2573 gtk_object_class->destroy = ev_view_destroy;
2575 class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
2576 class->binding_activated = ev_view_scroll;
2578 widget_class->set_scroll_adjustments_signal =
2579 g_signal_new ("set-scroll-adjustments",
2580 G_OBJECT_CLASS_TYPE (object_class),
2581 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2582 G_STRUCT_OFFSET (EvViewClass, set_scroll_adjustments),
2584 ev_marshal_VOID__OBJECT_OBJECT,
2586 GTK_TYPE_ADJUSTMENT,
2587 GTK_TYPE_ADJUSTMENT);
2589 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
2590 G_TYPE_FROM_CLASS (object_class),
2591 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2592 G_STRUCT_OFFSET (EvViewClass, binding_activated),
2594 ev_marshal_VOID__ENUM_BOOLEAN,
2596 GTK_TYPE_SCROLL_TYPE,
2599 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
2600 G_TYPE_FROM_CLASS (object_class),
2601 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2602 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
2604 ev_marshal_VOID__VOID,
2605 G_TYPE_NONE, 0, G_TYPE_NONE);
2606 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
2607 G_TYPE_FROM_CLASS (object_class),
2608 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2609 G_STRUCT_OFFSET (EvViewClass, external_link),
2611 g_cclosure_marshal_VOID__OBJECT,
2614 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
2615 G_TYPE_FROM_CLASS (object_class),
2616 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2617 G_STRUCT_OFFSET (EvViewClass, popup_menu),
2619 g_cclosure_marshal_VOID__OBJECT,
2623 g_object_class_install_property (object_class,
2625 g_param_spec_string ("status",
2627 "The status message",
2631 g_object_class_install_property (object_class,
2633 g_param_spec_string ("find-status",
2634 "Find Status Message",
2635 "The find status message",
2639 g_object_class_install_property (object_class,
2641 g_param_spec_boolean ("continuous",
2643 "Continuous scrolling mode",
2645 G_PARAM_READWRITE));
2647 g_object_class_install_property (object_class,
2649 g_param_spec_boolean ("dual-page",
2651 "Two pages visible at once",
2653 G_PARAM_READWRITE));
2654 g_object_class_install_property (object_class,
2656 g_param_spec_boolean ("fullscreen",
2658 "Draw page in a fullscreen fashion",
2660 G_PARAM_READWRITE));
2661 g_object_class_install_property (object_class,
2663 g_param_spec_boolean ("presentation",
2665 "Draw page in presentation mode",
2667 G_PARAM_READWRITE));
2669 g_object_class_install_property (object_class,
2671 g_param_spec_enum ("sizing-mode",
2674 EV_TYPE_SIZING_MODE,
2675 EV_SIZING_FIT_WIDTH,
2676 G_PARAM_READWRITE));
2678 g_object_class_install_property (object_class,
2680 g_param_spec_double ("zoom",
2686 G_PARAM_READWRITE));
2687 g_object_class_install_property (object_class,
2689 g_param_spec_double ("rotation",
2695 G_PARAM_READWRITE));
2696 g_object_class_install_property (object_class,
2698 g_param_spec_boolean ("has-selection",
2700 "The view has selections",
2704 binding_set = gtk_binding_set_by_class (class);
2706 add_scroll_binding_keypad (binding_set, GDK_Left, 0, EV_SCROLL_STEP_BACKWARD, TRUE);
2707 add_scroll_binding_keypad (binding_set, GDK_Right, 0, EV_SCROLL_STEP_FORWARD, TRUE);
2708 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, TRUE);
2709 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, TRUE);
2710 add_scroll_binding_keypad (binding_set, GDK_Up, 0, EV_SCROLL_STEP_BACKWARD, FALSE);
2711 add_scroll_binding_keypad (binding_set, GDK_Down, 0, EV_SCROLL_STEP_FORWARD, FALSE);
2712 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, FALSE);
2713 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, FALSE);
2717 ev_view_init (EvView *view)
2719 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
2723 view->current_page = 0;
2724 view->pressed_button = -1;
2725 view->cursor = EV_VIEW_CURSOR_NORMAL;
2726 view->drag_info.in_drag = FALSE;
2727 view->selection_info.selections = NULL;
2728 view->selection_info.in_selection = FALSE;
2729 view->selection_info.in_drag = FALSE;
2730 view->selection_mode = EV_VIEW_SELECTION_TEXT;
2731 view->continuous = TRUE;
2732 view->dual_page = FALSE;
2733 view->presentation = FALSE;
2734 view->fullscreen = FALSE;
2735 view->sizing_mode = EV_SIZING_FIT_WIDTH;
2736 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2737 view->jump_to_find_result = TRUE;
2743 find_changed_cb (EvDocument *document, int page, EvView *view)
2748 percent = ev_document_find_get_progress
2749 (EV_DOCUMENT_FIND (view->document));
2750 n_pages = ev_page_cache_get_n_pages (view->page_cache);
2752 if (view->jump_to_find_result == TRUE) {
2753 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
2754 jump_to_find_result (view);
2756 update_find_status_message (view, percent * n_pages >= n_pages - 1 );
2757 if (view->current_page == page)
2758 gtk_widget_queue_draw (GTK_WIDGET (view));
2762 job_finished_cb (EvPixbufCache *pixbuf_cache,
2765 gtk_widget_queue_draw (GTK_WIDGET (view));
2769 page_changed_cb (EvPageCache *page_cache,
2773 if (view->current_page != new_page) {
2774 view->current_page = new_page;
2775 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2776 gtk_widget_queue_resize (GTK_WIDGET (view));
2778 gtk_widget_queue_draw (GTK_WIDGET (view));
2781 if (EV_IS_DOCUMENT_FIND (view->document)) {
2782 view->find_result = 0;
2783 update_find_status_message (view, TRUE);
2787 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
2792 if (! GTK_WIDGET_REALIZED (view))
2795 if (view->hadjustment) {
2796 dx = view->scroll_x - (int) view->hadjustment->value;
2797 view->scroll_x = (int) view->hadjustment->value;
2802 if (view->vadjustment) {
2803 dy = view->scroll_y - (int) view->vadjustment->value;
2804 view->scroll_y = (int) view->vadjustment->value;
2810 if (view->pending_resize)
2811 gtk_widget_queue_draw (GTK_WIDGET (view));
2813 gdk_window_scroll (GTK_WIDGET (view)->window, dx, dy);
2817 view_update_range_and_current_page (view);
2825 view = g_object_new (EV_TYPE_VIEW, NULL);
2831 setup_caches (EvView *view)
2833 view->page_cache = ev_page_cache_get (view->document);
2834 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
2835 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
2836 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
2840 clear_caches (EvView *view)
2842 if (view->pixbuf_cache) {
2843 g_object_unref (view->pixbuf_cache);
2844 view->pixbuf_cache = NULL;
2847 if (view->page_cache) {
2848 view->page_cache = NULL;
2853 ev_view_set_loading (EvView *view,
2856 view->loading = loading;
2857 gtk_widget_queue_draw (GTK_WIDGET (view));
2861 ev_view_set_document (EvView *view,
2862 EvDocument *document)
2864 g_return_if_fail (EV_IS_VIEW (view));
2866 view->loading = FALSE;
2868 if (document != view->document) {
2869 clear_caches (view);
2871 if (view->document) {
2872 g_signal_handlers_disconnect_by_func (view->document,
2875 g_object_unref (view->document);
2876 view->page_cache = NULL;
2880 view->document = document;
2881 view->find_result = 0;
2883 if (view->document) {
2884 g_object_ref (view->document);
2885 if (EV_IS_DOCUMENT_FIND (view->document)) {
2886 g_signal_connect (view->document,
2888 G_CALLBACK (find_changed_cb),
2892 setup_caches (view);
2895 gtk_widget_queue_resize (GTK_WIDGET (view));
2899 /*** Zoom and sizing mode ***/
2901 #define EPSILON 0.0000001
2903 ev_view_set_zoom (EvView *view,
2910 scale = view->scale * factor;
2914 scale = CLAMP (scale, MIN_SCALE, MAX_SCALE);
2916 if (ABS (view->scale - scale) < EPSILON)
2919 view->scale = scale;
2920 view->pending_resize = TRUE;
2922 gtk_widget_queue_resize (GTK_WIDGET (view));
2924 g_object_notify (G_OBJECT (view), "zoom");
2928 ev_view_get_zoom (EvView *view)
2934 ev_view_get_continuous (EvView *view)
2936 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2938 return view->continuous;
2942 ev_view_set_continuous (EvView *view,
2943 gboolean continuous)
2945 g_return_if_fail (EV_IS_VIEW (view));
2947 continuous = continuous != FALSE;
2949 if (view->continuous != continuous) {
2950 view->continuous = continuous;
2951 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2952 gtk_widget_queue_resize (GTK_WIDGET (view));
2955 g_object_notify (G_OBJECT (view), "continuous");
2959 ev_view_get_dual_page (EvView *view)
2961 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2963 return view->dual_page;
2967 ev_view_set_dual_page (EvView *view,
2970 g_return_if_fail (EV_IS_VIEW (view));
2972 dual_page = dual_page != FALSE;
2974 if (view->dual_page == dual_page)
2977 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2978 view->dual_page = dual_page;
2979 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
2980 * preload_cache_size to be 2 if dual_page is set.
2982 gtk_widget_queue_resize (GTK_WIDGET (view));
2984 g_object_notify (G_OBJECT (view), "dual-page");
2988 ev_view_set_fullscreen (EvView *view,
2989 gboolean fullscreen)
2991 g_return_if_fail (EV_IS_VIEW (view));
2993 fullscreen = fullscreen != FALSE;
2995 if (view->fullscreen == fullscreen)
2998 view->fullscreen = fullscreen;
2999 gtk_widget_queue_resize (GTK_WIDGET (view));
3001 g_object_notify (G_OBJECT (view), "fullscreen");
3005 ev_view_get_fullscreen (EvView *view)
3007 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3009 return view->fullscreen;
3013 ev_view_set_presentation (EvView *view,
3014 gboolean presentation)
3016 g_return_if_fail (EV_IS_VIEW (view));
3018 presentation = presentation != FALSE;
3020 if (view->presentation == presentation)
3023 view->presentation = presentation;
3024 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
3025 gtk_widget_queue_resize (GTK_WIDGET (view));
3027 if (GTK_WIDGET_REALIZED (view)) {
3028 if (view->presentation)
3029 gdk_window_set_background (GTK_WIDGET(view)->window,
3030 >K_WIDGET (view)->style->black);
3032 gdk_window_set_background (GTK_WIDGET(view)->window,
3033 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
3037 g_object_notify (G_OBJECT (view), "presentation");
3041 ev_view_get_presentation (EvView *view)
3043 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3045 return view->presentation;
3049 ev_view_set_sizing_mode (EvView *view,
3050 EvSizingMode sizing_mode)
3052 g_return_if_fail (EV_IS_VIEW (view));
3054 if (view->sizing_mode == sizing_mode)
3057 view->sizing_mode = sizing_mode;
3058 gtk_widget_queue_resize (GTK_WIDGET (view));
3060 g_object_notify (G_OBJECT (view), "sizing-mode");
3064 ev_view_get_sizing_mode (EvView *view)
3066 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
3068 return view->sizing_mode;
3072 ev_view_can_zoom_in (EvView *view)
3074 return view->scale * ZOOM_IN_FACTOR <= MAX_SCALE;
3078 ev_view_can_zoom_out (EvView *view)
3080 return view->scale * ZOOM_OUT_FACTOR >= MIN_SCALE;
3084 ev_view_zoom_in (EvView *view)
3086 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
3088 view->pending_scroll = SCROLL_TO_CENTER;
3089 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
3093 ev_view_zoom_out (EvView *view)
3095 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
3097 view->pending_scroll = SCROLL_TO_CENTER;
3098 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
3102 ev_view_rotate_right (EvView *view)
3104 int rotation = view->rotation + 90;
3106 if (rotation >= 360) {
3110 ev_view_set_rotation (view, rotation);
3114 ev_view_rotate_left (EvView *view)
3116 int rotation = view->rotation - 90;
3122 ev_view_set_rotation (view, rotation);
3126 ev_view_set_rotation (EvView *view, int rotation)
3128 view->rotation = rotation;
3130 if (view->pixbuf_cache) {
3131 ev_pixbuf_cache_clear (view->pixbuf_cache);
3132 gtk_widget_queue_resize (GTK_WIDGET (view));
3136 clear_selection (view);
3138 g_object_notify (G_OBJECT (view), "rotation");
3142 ev_view_get_rotation (EvView *view)
3144 return view->rotation;
3148 zoom_for_size_fit_width (int doc_width,
3156 scale = (double)target_width / doc_width;
3158 if (doc_height * scale > target_height)
3159 scale = (double) (target_width - vsb_width) / doc_width;
3165 zoom_for_size_fit_height (int doc_width,
3173 scale = (double)target_height / doc_height;
3175 if (doc_width * scale > target_width)
3176 scale = (double) (target_height - vsb_height) / doc_height;
3182 zoom_for_size_best_fit (int doc_width,
3192 w_scale = (double)target_width / doc_width;
3193 h_scale = (double)target_height / doc_height;
3195 if (doc_height * w_scale > target_height)
3196 w_scale = (double) (target_width - vsb_width) / doc_width;
3197 if (doc_width * h_scale > target_width)
3198 h_scale = (double) (target_height - hsb_width) / doc_height;
3200 return MIN (w_scale, h_scale);
3205 ev_view_zoom_for_size_presentation (EvView *view,
3209 int doc_width, doc_height;
3212 ev_page_cache_get_size (view->page_cache,
3218 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
3219 ev_view_set_zoom (view, scale, FALSE);
3223 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
3229 int doc_width, doc_height;
3233 ev_page_cache_get_max_width (view->page_cache,
3237 ev_page_cache_get_max_height (view->page_cache,
3241 compute_border (view, doc_width, doc_height, &border);
3243 doc_width = doc_width * 2;
3244 width -= (2 * (border.left + border.right) + 3 * view->spacing);
3245 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3247 /* FIXME: We really need to calculate the overall height here, not the
3248 * page height. We assume there's always a vertical scrollbar for
3249 * now. We need to fix this. */
3250 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3251 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3252 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3253 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3255 g_assert_not_reached ();
3257 ev_view_set_zoom (view, scale, FALSE);
3261 ev_view_zoom_for_size_continuous (EvView *view,
3267 int doc_width, doc_height;
3271 ev_page_cache_get_max_width (view->page_cache,
3275 ev_page_cache_get_max_height (view->page_cache,
3279 compute_border (view, doc_width, doc_height, &border);
3281 width -= (border.left + border.right + 2 * view->spacing);
3282 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3284 /* FIXME: We really need to calculate the overall height here, not the
3285 * page height. We assume there's always a vertical scrollbar for
3286 * now. We need to fix this. */
3287 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3288 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3289 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3290 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3292 g_assert_not_reached ();
3294 ev_view_set_zoom (view, scale, FALSE);
3298 ev_view_zoom_for_size_dual_page (EvView *view,
3305 gint doc_width, doc_height;
3309 other_page = view->current_page ^ 1;
3311 /* Find the largest of the two. */
3312 ev_page_cache_get_size (view->page_cache,
3316 &doc_width, &doc_height);
3318 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
3319 gint width_2, height_2;
3320 ev_page_cache_get_size (view->page_cache,
3324 &width_2, &height_2);
3325 if (width_2 > doc_width)
3326 doc_width = width_2;
3327 if (height_2 > doc_height)
3328 doc_height = height_2;
3330 compute_border (view, doc_width, doc_height, &border);
3332 doc_width = doc_width * 2;
3333 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
3334 height -= (border.top + border.bottom + 2 * view->spacing);
3336 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3337 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3338 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3339 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3341 g_assert_not_reached ();
3343 ev_view_set_zoom (view, scale, FALSE);
3347 ev_view_zoom_for_size_single_page (EvView *view,
3353 int doc_width, doc_height;
3357 ev_page_cache_get_size (view->page_cache,
3363 /* Get an approximate border */
3364 compute_border (view, width, height, &border);
3366 width -= (border.left + border.right + 2 * view->spacing);
3367 height -= (border.top + border.bottom + 2 * view->spacing);
3369 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3370 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3371 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3372 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3374 g_assert_not_reached ();
3376 ev_view_set_zoom (view, scale, FALSE);
3380 ev_view_set_zoom_for_size (EvView *view,
3386 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
3387 view->sizing_mode == EV_SIZING_BEST_FIT);
3388 g_return_if_fail (width >= 0);
3389 g_return_if_fail (height >= 0);
3391 if (view->document == NULL)
3394 if (view->presentation)
3395 ev_view_zoom_for_size_presentation (view, width, height);
3396 else if (view->continuous && view->dual_page)
3397 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
3398 else if (view->continuous)
3399 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
3400 else if (view->dual_page)
3401 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
3403 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
3406 /*** Status text messages ***/
3409 ev_view_get_status (EvView *view)
3411 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3413 return view->status;
3417 ev_view_set_status (EvView *view, const char *message)
3419 g_return_if_fail (EV_IS_VIEW (view));
3421 if (message != view->status) {
3422 g_free (view->status);
3423 view->status = g_strdup (message);
3424 g_object_notify (G_OBJECT (view), "status");
3429 update_find_status_message (EvView *view, gboolean this_page)
3436 results = ev_document_find_get_n_results
3437 (EV_DOCUMENT_FIND (view->document),
3438 view->current_page);
3439 /* TRANS: Sometimes this could be better translated as
3440 "%d hit(s) on this page". Therefore this string
3441 contains plural cases. */
3442 message = g_strdup_printf (ngettext ("%d found on this page",
3443 "%d found on this page",
3449 percent = ev_document_find_get_progress
3450 (EV_DOCUMENT_FIND (view->document));
3451 message = g_strdup_printf (_("%3d%% remaining to search"),
3452 (int) ((1.0 - percent) * 100));
3455 ev_view_set_find_status (view, message);
3460 ev_view_get_find_status (EvView *view)
3462 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3464 return view->find_status;
3468 ev_view_set_find_status (EvView *view, const char *message)
3470 g_return_if_fail (EV_IS_VIEW (view));
3472 g_free (view->find_status);
3473 view->find_status = g_strdup (message);
3474 g_object_notify (G_OBJECT (view), "find-status");
3480 jump_to_find_result (EvView *view)
3482 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3484 GdkRectangle view_rect;
3486 int page = view->current_page;
3488 n_results = ev_document_find_get_n_results (find, page);
3490 if (n_results > 0 && view->find_result < n_results) {
3491 ev_document_find_get_result
3492 (find, page, view->find_result, &rect);
3494 doc_rect_to_view_rect (view, page, &rect, &view_rect);
3495 ensure_rectangle_is_visible (view, &view_rect);
3501 * @view: #EvView instance
3502 * @direction: Direction to look
3503 * @shift: Shift from current page
3505 * Jumps to the first page that has occurences of searched word.
3506 * Uses a direction where to look and a shift from current page.
3510 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
3514 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3516 for (i = 0; i < n_pages; i++) {
3520 if (direction == EV_VIEW_FIND_NEXT)
3521 page = view->current_page + i;
3523 page = view->current_page - i;
3526 if (page >= n_pages) {
3527 page = page - n_pages;
3530 page = page + n_pages;
3532 has_results = ev_document_find_page_has_results
3533 (EV_DOCUMENT_FIND (view->document), page);
3534 if (has_results == -1) {
3536 } else if (has_results == 1) {
3537 ev_page_cache_set_current_page (view->page_cache, page);
3544 ev_view_can_find_next (EvView *view)
3546 if (EV_IS_DOCUMENT_FIND (view->document)) {
3547 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3550 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3551 for (i = 0; i < n_pages; i++) {
3552 if (ev_document_find_get_n_results (find, i) > 0) {
3562 ev_view_find_next (EvView *view)
3564 int n_results, n_pages;
3565 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3567 n_results = ev_document_find_get_n_results (find, view->current_page);
3569 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3571 view->find_result++;
3573 if (view->find_result >= n_results) {
3575 view->find_result = 0;
3576 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
3577 jump_to_find_result (view);
3579 jump_to_find_result (view);
3580 gtk_widget_queue_draw (GTK_WIDGET (view));
3585 ev_view_can_find_previous (EvView *view)
3587 if (EV_IS_DOCUMENT_FIND (view->document)) {
3588 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3591 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3592 for (i = n_pages - 1; i >= 0; i--) {
3593 if (ev_document_find_get_n_results (find, i) > 0) {
3602 ev_view_find_previous (EvView *view)
3604 int n_results, n_pages;
3605 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3606 EvPageCache *page_cache;
3608 page_cache = ev_page_cache_get (view->document);
3610 n_results = ev_document_find_get_n_results (find, view->current_page);
3612 n_pages = ev_page_cache_get_n_pages (page_cache);
3614 view->find_result--;
3616 if (view->find_result < 0) {
3618 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
3619 view->find_result = ev_document_find_get_n_results (find, view->current_page) - 1;
3620 jump_to_find_result (view);
3622 jump_to_find_result (view);
3623 gtk_widget_queue_draw (GTK_WIDGET (view));
3627 void ev_view_search_changed (EvView *view)
3629 /* search string has changed, focus on new search result */
3630 view->jump_to_find_result = TRUE;
3633 /*** Selections ***/
3635 /* compute_new_selection_rect/text calculates the area currently selected by
3636 * view_rect. each handles a different mode;
3639 compute_new_selection_rect (EvView *view,
3643 GdkRectangle view_rect;
3647 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
3649 view_rect.x = MIN (start->x, stop->x);
3650 view_rect.y = MIN (start->y, stop->y);
3651 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
3652 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
3654 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3656 for (i = 0; i < n_pages; i++) {
3657 GdkRectangle page_area;
3660 if (get_page_extents (view, i, &page_area, &border)) {
3661 GdkRectangle overlap;
3663 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
3664 EvViewSelection *selection;
3666 selection = g_new0 (EvViewSelection, 1);
3667 selection->page = i;
3668 view_rect_to_doc_rect (view, &overlap, &page_area,
3669 &(selection->rect));
3671 list = g_list_append (list, selection);
3680 gdk_rectangle_point_in (GdkRectangle *rectangle,
3683 return rectangle->x <= point->x &&
3684 rectangle->y <= point->y &&
3685 point->x < rectangle->x + rectangle->width &&
3686 point->y < rectangle->y + rectangle->height;
3690 compute_new_selection_text (EvView *view,
3694 int n_pages, i, first, last;
3696 EvViewSelection *selection;
3698 int start_page, end_page;
3700 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
3702 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3704 /* First figure out the range of pages the selection
3708 if (view->continuous) {
3711 } else if (view->dual_page) {
3712 start_page = view->start_page;
3713 end_page = view->end_page + 1;
3715 start_page = view->current_page;
3716 end_page = view->current_page + 1;
3719 for (i = start_page; i < end_page; i++) {
3720 GdkRectangle page_area;
3723 get_page_extents (view, i, &page_area, &border);
3724 if (gdk_rectangle_point_in (&page_area, start) ||
3725 gdk_rectangle_point_in (&page_area, stop)) {
3726 if (first == n_pages)
3735 /* Now create a list of EvViewSelection's for the affected
3736 * pages. This could be an empty list, a list of just one
3737 * page or a number of pages.*/
3738 for (i = first; i < last + 1; i++) {
3739 GdkRectangle page_area;
3743 ev_page_cache_get_size (view->page_cache, i,
3745 1.0, &width, &height);
3747 selection = g_new0 (EvViewSelection, 1);
3748 selection->page = i;
3749 selection->rect.x1 = selection->rect.y1 = 0;
3750 selection->rect.x2 = width;
3751 selection->rect.y2 = height;
3753 get_page_extents (view, i, &page_area, &border);
3755 if (gdk_rectangle_point_in (&page_area, start))
3761 view_point_to_doc_point (view, point, &page_area,
3762 &selection->rect.x1,
3763 &selection->rect.y1);
3765 /* If the selection is contained within just one page,
3766 * make sure we don't write 'start' into both points
3767 * in selection->rect. */
3772 view_point_to_doc_point (view, point, &page_area,
3773 &selection->rect.x2,
3774 &selection->rect.y2);
3776 list = g_list_append (list, selection);
3782 /* This function takes the newly calculated list, and figures out which regions
3783 * have changed. It then queues a redraw approporiately.
3786 merge_selection_region (EvView *view,
3790 GList *new_list_ptr, *old_list_ptr;
3792 /* Update the selection */
3793 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
3794 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
3795 view->selection_info.selections = new_list;
3796 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
3797 g_object_notify (G_OBJECT (view), "has-selection");
3799 new_list_ptr = new_list;
3800 old_list_ptr = old_list;
3802 while (new_list_ptr || old_list_ptr) {
3803 EvViewSelection *old_sel, *new_sel;
3805 GdkRegion *region = NULL;
3807 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
3808 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
3810 /* Assume that the lists are in order, and we run through them
3811 * comparing them, one page at a time. We come out with the
3812 * first page we see. */
3813 if (new_sel && old_sel) {
3814 if (new_sel->page < old_sel->page) {
3815 new_list_ptr = new_list_ptr->next;
3817 } else if (new_sel->page > old_sel->page) {
3818 old_list_ptr = old_list_ptr->next;
3821 new_list_ptr = new_list_ptr->next;
3822 old_list_ptr = old_list_ptr->next;
3824 } else if (new_sel) {
3825 new_list_ptr = new_list_ptr->next;
3826 } else if (old_sel) {
3827 old_list_ptr = old_list_ptr->next;
3830 g_assert (new_sel || old_sel);
3832 /* is the page we're looking at on the screen?*/
3833 cur_page = new_sel ? new_sel->page : old_sel->page;
3834 if (cur_page < view->start_page || cur_page > view->end_page)
3837 /* seed the cache with a new page. We are going to need the new
3840 GdkRegion *tmp_region = NULL;
3841 ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
3846 new_sel->covered_region = gdk_region_copy (tmp_region);
3850 /* Now we figure out what needs redrawing */
3851 if (old_sel && new_sel) {
3852 if (old_sel->covered_region &&
3853 new_sel->covered_region) {
3854 /* We only want to redraw the areas that have
3855 * changed, so we xor the old and new regions
3856 * and redraw if it's different */
3857 region = gdk_region_copy (old_sel->covered_region);
3858 gdk_region_xor (region, new_sel->covered_region);
3859 if (gdk_region_empty (region)) {
3860 gdk_region_destroy (region);
3863 } else if (old_sel->covered_region) {
3864 region = gdk_region_copy (old_sel->covered_region);
3865 } else if (new_sel->covered_region) {
3866 region = gdk_region_copy (new_sel->covered_region);
3868 } else if (old_sel && !new_sel) {
3869 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
3870 region = gdk_region_copy (old_sel->covered_region);
3872 } else if (!old_sel && new_sel) {
3873 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
3874 region = gdk_region_copy (new_sel->covered_region);
3877 g_assert_not_reached ();
3880 /* Redraw the damaged region! */
3882 GdkRectangle page_area;
3885 get_page_extents (view, cur_page, &page_area, &border);
3886 gdk_region_offset (region,
3887 page_area.x + border.left - view->scroll_x,
3888 page_area.y + border.top - view->scroll_y);
3889 gdk_window_invalidate_region (GTK_WIDGET (view)->window, region, TRUE);
3890 gdk_region_destroy (region);
3894 /* Free the old list, now that we're done with it. */
3895 g_list_foreach (old_list, (GFunc) selection_free, NULL);
3899 compute_selections (EvView *view,
3905 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
3906 list = compute_new_selection_rect (view, start, stop);
3908 list = compute_new_selection_text (view, start, stop);
3909 merge_selection_region (view, list);
3912 /* Free's the selection. It's up to the caller to queue redraws if needed.
3915 selection_free (EvViewSelection *selection)
3917 if (selection->covered_region)
3918 gdk_region_destroy (selection->covered_region);
3923 clear_selection (EvView *view)
3925 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
3926 view->selection_info.selections = NULL;
3927 view->selection_info.in_selection = FALSE;
3928 g_object_notify (G_OBJECT (view), "has-selection");
3933 ev_view_select_all (EvView *view)
3937 /* Disable selection on rotated pages for the 0.4.0 series */
3938 if (view->rotation != 0)
3941 clear_selection (view);
3943 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3944 for (i = 0; i < n_pages; i++) {
3946 EvViewSelection *selection;
3948 ev_page_cache_get_size (view->page_cache,
3951 1.0, &width, &height);
3953 selection = g_new0 (EvViewSelection, 1);
3954 selection->page = i;
3955 selection->rect.x1 = selection->rect.y1 = 0;
3956 selection->rect.x2 = width;
3957 selection->rect.y2 = height;
3959 view->selection_info.selections = g_list_append (view->selection_info.selections, selection);
3962 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, view->selection_info.selections);
3963 g_object_notify (G_OBJECT (view), "has-selection");
3964 gtk_widget_queue_draw (GTK_WIDGET (view));
3968 ev_view_get_has_selection (EvView *view)
3970 return view->selection_info.selections != NULL;
3974 get_selected_text (EvView *ev_view)
3979 text = g_string_new (NULL);
3981 ev_document_doc_mutex_lock ();
3983 for (l = ev_view->selection_info.selections; l != NULL; l = l->next) {
3984 EvViewSelection *selection = (EvViewSelection *)l->data;
3987 tmp = ev_document_get_text (ev_view->document,
3990 g_string_append (text, tmp);
3994 ev_document_doc_mutex_unlock ();
3996 return g_string_free (text, FALSE);
4000 ev_view_copy (EvView *ev_view)
4002 GtkClipboard *clipboard;
4005 if (!ev_document_can_get_text (ev_view->document)) {
4009 text = get_selected_text (ev_view);
4010 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
4011 GDK_SELECTION_CLIPBOARD);
4012 gtk_clipboard_set_text (clipboard, text, -1);
4017 ev_view_primary_get_cb (GtkClipboard *clipboard,
4018 GtkSelectionData *selection_data,
4022 EvView *ev_view = EV_VIEW (data);
4025 if (!ev_document_can_get_text (ev_view->document)) {
4029 text = get_selected_text (ev_view);
4030 gtk_selection_data_set_text (selection_data, text, -1);
4035 ev_view_primary_clear_cb (GtkClipboard *clipboard,
4038 EvView *view = EV_VIEW (data);
4040 clear_selection (view);
4044 ev_view_update_primary_selection (EvView *ev_view)
4046 GtkClipboard *clipboard;
4048 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
4049 GDK_SELECTION_PRIMARY);
4051 if (ev_view->selection_info.selections) {
4052 if (!gtk_clipboard_set_with_owner (clipboard,
4054 G_N_ELEMENTS (targets),
4055 ev_view_primary_get_cb,
4056 ev_view_primary_clear_cb,
4057 G_OBJECT (ev_view)))
4058 ev_view_primary_clear_cb (clipboard, ev_view);
4060 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
4061 gtk_clipboard_clear (clipboard);
4065 /*** Cursor operations ***/
4068 ev_view_create_invisible_cursor(void)
4071 GdkColor black = { 0, 0, 0, 0 };
4072 static char bits[] = { 0x00 };
4074 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
4076 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
4080 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
4082 GdkCursor *cursor = NULL;
4083 GdkDisplay *display;
4086 if (view->cursor == new_cursor) {
4090 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
4091 display = gtk_widget_get_display (widget);
4092 view->cursor = new_cursor;
4094 switch (new_cursor) {
4095 case EV_VIEW_CURSOR_NORMAL:
4096 gdk_window_set_cursor (widget->window, NULL);
4098 case EV_VIEW_CURSOR_IBEAM:
4099 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
4101 case EV_VIEW_CURSOR_LINK:
4102 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
4104 case EV_VIEW_CURSOR_WAIT:
4105 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
4107 case EV_VIEW_CURSOR_HIDDEN:
4108 cursor = ev_view_create_invisible_cursor ();
4110 case EV_VIEW_CURSOR_DRAG:
4111 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
4116 gdk_window_set_cursor (widget->window, cursor);
4117 gdk_cursor_unref (cursor);
4123 ev_view_hide_cursor (EvView *view)
4125 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
4129 ev_view_show_cursor (EvView *view)
4131 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
4135 ev_view_next_page (EvView *view)
4139 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4141 if (!view->page_cache)
4144 page = ev_page_cache_get_current_page (view->page_cache);
4146 if (view->dual_page && !view->presentation)
4151 if (page < ev_page_cache_get_n_pages (view->page_cache)) {
4152 ev_page_cache_set_current_page (view->page_cache, page);
4154 } else if (ev_view_get_dual_page (view) && page == ev_page_cache_get_n_pages (view->page_cache)) {
4155 ev_page_cache_set_current_page (view->page_cache, page - 1);
4163 ev_view_previous_page (EvView *view)
4167 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4169 if (!view->page_cache)
4172 page = ev_page_cache_get_current_page (view->page_cache);
4174 if (view->dual_page && !view->presentation)
4180 ev_page_cache_set_current_page (view->page_cache, page);
4182 } else if (ev_view_get_dual_page (view) && page == -1) {
4183 ev_page_cache_set_current_page (view->page_cache, 0);
4190 /*** Enum description for usage in signal ***/
4193 ev_sizing_mode_get_type (void)
4195 static GType etype = 0;
4197 static const GEnumValue values[] = {
4198 { EV_SIZING_FIT_WIDTH, "EV_SIZING_FIT_WIDTH", "fit-width" },
4199 { EV_SIZING_BEST_FIT, "EV_SIZING_BEST_FIT", "best-fit" },
4200 { EV_SIZING_FREE, "EV_SIZING_FREE", "free" },
4203 etype = g_enum_register_static ("EvSizingMode", values);
4209 ev_scroll_type_get_type (void)
4211 static GType etype = 0;
4213 static const GEnumValue values[] = {
4214 { EV_SCROLL_PAGE_FORWARD, "EV_SCROLL_PAGE_FORWARD", "scroll-page-forward" },
4215 { EV_SCROLL_PAGE_BACKWARD, "EV_SCROLL_PAGE_BACKWARD", "scroll-page-backward" },
4216 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
4217 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
4218 { EV_SCROLL_STEP_UP, "EV_SCROLL_STEP_UP", "scroll-step-up" },
4219 { EV_SCROLL_STEP_DOWN, "EV_SCROLL_STEP_DOWN", "scroll-step-down" },
4222 etype = g_enum_register_static ("EvScrollType", values);