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))
1055 get_doc_point_from_offset (EvView *view,
1065 ev_page_cache_get_size (view->page_cache, page,
1070 x_offset = x_offset / view->scale;
1071 y_offset = y_offset / view->scale;
1073 if (view->rotation == 0) {
1076 } else if (view->rotation == 90) {
1078 y = width - x_offset;
1079 } else if (view->rotation == 180) {
1080 x = width - x_offset;
1081 y = height - y_offset;
1082 } else if (view->rotation == 270) {
1083 x = height - y_offset;
1086 g_assert_not_reached ();
1097 ev_view_get_link_at_location (EvView *view,
1102 gint x_offset = 0, y_offset = 0;
1103 gint x_new = 0, y_new = 0;
1104 GList *link_mapping;
1106 x += view->scroll_x;
1107 y += view->scroll_y;
1109 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1115 if (get_doc_point_from_offset (view, page, x_offset,
1116 y_offset, &x_new, &y_new) == FALSE)
1119 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1122 return ev_link_mapping_find (link_mapping, x_new, y_new);
1128 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1133 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - ev_link_dest_get_left (dest),
1134 ev_link_dest_get_bottom (dest) - ev_link_dest_get_top (dest),
1135 ev_view_get_width (view),
1136 ev_view_get_height (view), 0, 0);
1138 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1139 ev_view_set_zoom (view, zoom, FALSE);
1141 doc_point.x = ev_link_dest_get_left (dest);
1142 doc_point.y = ev_link_dest_get_top (dest);
1144 view->current_page = ev_link_dest_get_page (dest);
1145 view->pending_point = doc_point;
1146 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1148 gtk_widget_queue_resize (GTK_WIDGET (view));
1152 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1155 int doc_width, doc_height, page;
1158 page = ev_link_dest_get_page (dest);
1159 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1161 doc_point.x = ev_link_dest_get_left (dest);
1164 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1165 ev_view_get_width (view),
1166 ev_view_get_height (view), 0);
1168 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1169 ev_view_set_zoom (view, zoom, FALSE);
1171 view->current_page = page;
1172 view->pending_point = doc_point;
1173 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1175 gtk_widget_queue_resize (GTK_WIDGET (view));
1179 goto_fith_dest (EvView *view, EvLinkDest *dest)
1182 int doc_width, doc_height, page;
1185 page = ev_link_dest_get_page (dest);
1186 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1189 doc_point.y = ev_link_dest_get_top (dest);
1191 zoom = zoom_for_size_fit_width (doc_width, ev_link_dest_get_top (dest),
1192 ev_view_get_width (view),
1193 ev_view_get_height (view), 0);
1195 ev_view_set_sizing_mode (view, EV_SIZING_FIT_WIDTH);
1196 ev_view_set_zoom (view, zoom, FALSE);
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_fit_dest (EvView *view, EvLinkDest *dest)
1209 int doc_width, doc_height;
1212 page = ev_link_dest_get_page (dest);
1213 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1215 zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view),
1216 ev_view_get_height (view), 0, 0);
1218 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
1219 ev_view_set_zoom (view, zoom, FALSE);
1221 view->current_page = page;
1222 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1224 gtk_widget_queue_resize (GTK_WIDGET (view));
1228 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1234 zoom = ev_link_dest_get_zoom (dest);
1235 page = ev_link_dest_get_page (dest);
1238 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1239 ev_view_set_zoom (view, zoom, FALSE);
1242 doc_point.x = ev_link_dest_get_left (dest);
1243 doc_point.y = ev_link_dest_get_top (dest);
1245 view->current_page = page;
1246 view->pending_point = doc_point;
1247 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1249 gtk_widget_queue_resize (GTK_WIDGET (view));
1253 goto_dest (EvView *view, EvLinkDest *dest)
1255 EvLinkDestType type;
1258 page = ev_link_dest_get_page (dest);
1259 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1261 if (page < 0 || page >= n_pages)
1264 type = ev_link_dest_get_dest_type (dest);
1267 case EV_LINK_DEST_TYPE_PAGE:
1268 ev_page_cache_set_current_page (view->page_cache, page);
1270 case EV_LINK_DEST_TYPE_FIT:
1271 goto_fit_dest (view, dest);
1273 case EV_LINK_DEST_TYPE_FITH:
1274 goto_fith_dest (view, dest);
1276 case EV_LINK_DEST_TYPE_FITV:
1277 goto_fitv_dest (view, dest);
1279 case EV_LINK_DEST_TYPE_FITR:
1280 goto_fitr_dest (view, dest);
1282 case EV_LINK_DEST_TYPE_XYZ:
1283 goto_xyz_dest (view, dest);
1285 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1286 ev_page_cache_set_page_label (view->page_cache, ev_link_dest_get_page_label (dest));
1289 g_assert_not_reached ();
1294 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1296 EvLinkDestType type;
1298 type = ev_link_dest_get_dest_type (dest);
1300 if (type == EV_LINK_DEST_TYPE_NAMED) {
1302 const gchar *named_dest;
1304 named_dest = ev_link_dest_get_named_dest (dest);
1305 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1308 goto_dest (view, dest2);
1309 g_object_unref (dest2);
1315 goto_dest (view, dest);
1319 ev_view_handle_link (EvView *view, EvLink *link)
1321 EvLinkAction *action = NULL;
1322 EvLinkActionType type;
1324 action = ev_link_get_action (link);
1328 type = ev_link_action_get_action_type (action);
1331 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1334 dest = ev_link_action_get_dest (action);
1335 ev_view_goto_dest (view, dest);
1338 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1339 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1340 case EV_LINK_ACTION_TYPE_LAUNCH:
1341 case EV_LINK_ACTION_TYPE_NAMED:
1342 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1348 page_label_from_dest (EvView *view, EvLinkDest *dest)
1350 EvLinkDestType type;
1353 type = ev_link_dest_get_dest_type (dest);
1356 case EV_LINK_DEST_TYPE_NAMED: {
1358 const gchar *named_dest;
1360 named_dest = ev_link_dest_get_named_dest (dest);
1361 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1364 msg = ev_page_cache_get_page_label (view->page_cache,
1365 ev_link_dest_get_page (dest2));
1366 g_object_unref (dest2);
1372 msg = ev_page_cache_get_page_label (view->page_cache,
1373 ev_link_dest_get_page (dest));
1380 tip_from_action_named (EvLinkAction *action)
1382 const gchar *name = ev_link_action_get_name (action);
1384 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1385 return g_strdup (_("Go to first page"));
1386 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1387 return g_strdup (_("Go to previous page"));
1388 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1389 return g_strdup (_("Go to next page"));
1390 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1391 return g_strdup (_("Go to last page"));
1392 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1393 return g_strdup (_("Go to page"));
1394 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1395 return g_strdup (_("Find"));
1402 tip_from_link (EvView *view, EvLink *link)
1404 EvLinkAction *action;
1405 EvLinkActionType type;
1410 action = ev_link_get_action (link);
1411 title = ev_link_get_title (link);
1414 return title ? g_strdup (title) : NULL;
1416 type = ev_link_action_get_action_type (action);
1419 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1420 page_label = page_label_from_dest (view,
1421 ev_link_action_get_dest (action));
1422 msg = g_strdup_printf (_("Go to page %s"), page_label);
1423 g_free (page_label);
1425 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1427 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1428 ev_link_action_get_filename (action));
1430 msg = g_strdup_printf (_("Go to file “%s”"),
1431 ev_link_action_get_filename (action));
1435 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1436 msg = g_strdup (ev_link_action_get_uri (action));
1438 case EV_LINK_ACTION_TYPE_LAUNCH:
1439 msg = g_strdup_printf (_("Launch %s"),
1440 ev_link_action_get_filename (action));
1442 case EV_LINK_ACTION_TYPE_NAMED:
1443 msg = tip_from_action_named (action);
1447 msg = g_strdup (title);
1455 handle_link_over_xy (EvView *view, gint x, gint y)
1459 link = ev_view_get_link_at_location (view, x, y);
1461 if (view->link_tooltip == NULL) {
1462 view->link_tooltip = ev_tooltip_new (GTK_WIDGET (view));
1465 if (view->hovered_link != link) {
1466 view->hovered_link = link;
1467 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
1471 char *msg = tip_from_link (view, link);
1473 if (msg && g_utf8_validate (msg, -1, NULL)) {
1474 EvTooltip *tooltip = EV_TOOLTIP (view->link_tooltip);
1476 ev_tooltip_set_position (tooltip, x, y);
1477 ev_tooltip_set_text (tooltip, msg);
1478 ev_tooltip_activate (tooltip);
1482 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1483 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1484 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1486 ev_view_set_status (view, NULL);
1487 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1488 view->cursor == EV_VIEW_CURSOR_IBEAM)
1489 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1494 /*** GtkWidget implementation ***/
1497 ev_view_size_request_continuous_dual_page (EvView *view,
1498 GtkRequisition *requisition)
1504 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1505 view->scale, &max_width);
1506 compute_border (view, max_width, max_width, &border);
1508 n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1;
1510 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
1511 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1513 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1514 requisition->width = 1;
1515 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1516 requisition->width = 1;
1517 /* FIXME: This could actually be set on one page docs or docs
1518 * with a strange aspect ratio. */
1519 /* requisition->height = 1;*/
1524 ev_view_size_request_continuous (EvView *view,
1525 GtkRequisition *requisition)
1532 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1533 view->scale, &max_width);
1534 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1535 compute_border (view, max_width, max_width, &border);
1537 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
1538 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1540 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1541 requisition->width = 1;
1542 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1543 requisition->width = 1;
1544 /* FIXME: This could actually be set on one page docs or docs
1545 * with a strange aspect ratio. */
1546 /* requisition->height = 1;*/
1551 ev_view_size_request_dual_page (EvView *view,
1552 GtkRequisition *requisition)
1557 /* Find the largest of the two. */
1558 ev_page_cache_get_size (view->page_cache,
1563 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) {
1564 gint width_2, height_2;
1565 ev_page_cache_get_size (view->page_cache,
1566 view->current_page + 1,
1569 &width_2, &height_2);
1570 if (width_2 > width) {
1575 compute_border (view, width, height, &border);
1577 requisition->width = ((width + border.left + border.right) * 2) +
1578 (view->spacing * 3);
1579 requisition->height = (height + border.top + border.bottom) +
1580 (view->spacing * 2);
1582 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1583 requisition->width = 1;
1584 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1585 requisition->width = 1;
1586 requisition->height = 1;
1591 ev_view_size_request_single_page (EvView *view,
1592 GtkRequisition *requisition)
1597 ev_page_cache_get_size (view->page_cache,
1602 compute_border (view, width, height, &border);
1604 requisition->width = width + border.left + border.right + (2 * view->spacing);
1605 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1607 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1608 requisition->width = 1;
1609 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1610 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1611 requisition->width = 1;
1612 requisition->height = 1;
1617 ev_view_size_request (GtkWidget *widget,
1618 GtkRequisition *requisition)
1620 EvView *view = EV_VIEW (widget);
1622 if (view->document == NULL) {
1623 requisition->width = 1;
1624 requisition->height = 1;
1628 if (view->presentation) {
1629 requisition->width = 1;
1630 requisition->height = 1;
1634 if (view->continuous && view->dual_page)
1635 ev_view_size_request_continuous_dual_page (view, requisition);
1636 else if (view->continuous)
1637 ev_view_size_request_continuous (view, requisition);
1638 else if (view->dual_page)
1639 ev_view_size_request_dual_page (view, requisition);
1641 ev_view_size_request_single_page (view, requisition);
1645 ev_view_size_allocate (GtkWidget *widget,
1646 GtkAllocation *allocation)
1648 EvView *view = EV_VIEW (widget);
1650 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
1651 view->sizing_mode == EV_SIZING_BEST_FIT) {
1653 g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0);
1655 ev_view_size_request (widget, &widget->requisition);
1658 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
1659 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
1662 view_update_range_and_current_page (view);
1664 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
1665 view->pending_resize = FALSE;
1667 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
1671 ev_view_realize (GtkWidget *widget)
1673 EvView *view = EV_VIEW (widget);
1674 GdkWindowAttr attributes;
1676 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
1679 attributes.window_type = GDK_WINDOW_CHILD;
1680 attributes.wclass = GDK_INPUT_OUTPUT;
1681 attributes.visual = gtk_widget_get_visual (widget);
1682 attributes.colormap = gtk_widget_get_colormap (widget);
1684 attributes.x = widget->allocation.x;
1685 attributes.y = widget->allocation.y;
1686 attributes.width = widget->allocation.width;
1687 attributes.height = widget->allocation.height;
1688 attributes.event_mask = GDK_EXPOSURE_MASK |
1689 GDK_BUTTON_PRESS_MASK |
1690 GDK_BUTTON_RELEASE_MASK |
1692 GDK_KEY_PRESS_MASK |
1693 GDK_POINTER_MOTION_MASK |
1694 GDK_POINTER_MOTION_HINT_MASK |
1695 GDK_ENTER_NOTIFY_MASK |
1696 GDK_LEAVE_NOTIFY_MASK;
1698 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
1700 GDK_WA_X | GDK_WA_Y |
1703 gdk_window_set_user_data (widget->window, widget);
1704 widget->style = gtk_style_attach (widget->style, widget->window);
1706 if (view->presentation)
1707 gdk_window_set_background (widget->window, &widget->style->black);
1709 gdk_window_set_background (widget->window, &widget->style->mid [GTK_STATE_NORMAL]);
1713 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
1715 EvView *view = EV_VIEW (widget);
1718 state = event->state & gtk_accelerator_get_default_mod_mask ();
1720 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
1721 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1723 if (event->direction == GDK_SCROLL_UP ||
1724 event->direction == GDK_SCROLL_LEFT) {
1725 if (ev_view_can_zoom_in (view)) {
1726 ev_view_zoom_in (view);
1729 if (ev_view_can_zoom_out (view)) {
1730 ev_view_zoom_out (view);
1737 view->jump_to_find_result = FALSE;
1738 /* Shift+Wheel scrolls the in the perpendicular direction */
1739 if (state & GDK_SHIFT_MASK) {
1740 if (event->direction == GDK_SCROLL_UP)
1741 event->direction = GDK_SCROLL_LEFT;
1742 if (event->direction == GDK_SCROLL_LEFT)
1743 event->direction = GDK_SCROLL_UP;
1744 if (event->direction == GDK_SCROLL_DOWN)
1745 event->direction = GDK_SCROLL_RIGHT;
1746 if (event->direction == GDK_SCROLL_RIGHT)
1747 event->direction = GDK_SCROLL_DOWN;
1749 event->state &= ~GDK_SHIFT_MASK;
1750 state &= ~GDK_SHIFT_MASK;
1753 if (state == 0 && view->presentation) {
1754 switch (event->direction) {
1755 case GDK_SCROLL_DOWN:
1756 case GDK_SCROLL_RIGHT:
1757 ev_view_next_page (view);
1760 case GDK_SCROLL_LEFT:
1761 ev_view_previous_page (view);
1771 static EvViewSelection *
1772 find_selection_for_page (EvView *view,
1777 for (list = view->selection_info.selections; list != NULL; list = list->next) {
1778 EvViewSelection *selection;
1780 selection = (EvViewSelection *) list->data;
1782 if (selection->page == page)
1790 draw_end_presentation_page (EvView *view,
1791 GdkRectangle *page_area)
1793 PangoLayout *layout;
1794 PangoFontDescription *font_desc;
1796 const gchar *text = _("End of presentation, press Escape to exit.");
1798 if (view->presentation_state != EV_PRESENTATION_END)
1801 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), NULL);
1802 markup = g_strdup_printf ("<span foreground=\"white\">%s</span>", text);
1803 pango_layout_set_markup (layout, markup, -1);
1806 font_desc = pango_font_description_new ();
1807 pango_font_description_set_size (font_desc, 16 * PANGO_SCALE);
1808 pango_layout_set_font_description (layout, font_desc);
1810 gtk_paint_layout (GTK_WIDGET (view)->style,
1811 GTK_WIDGET (view)->window,
1812 GTK_WIDGET_STATE (view),
1821 pango_font_description_free (font_desc);
1822 g_object_unref (layout);
1826 ev_view_expose_event (GtkWidget *widget,
1827 GdkEventExpose *event)
1829 EvView *view = EV_VIEW (widget);
1832 if (view->presentation) {
1833 switch (view->presentation_state) {
1834 case EV_PRESENTATION_END: {
1835 GdkRectangle area = {0};
1837 area.width = widget->allocation.width;
1838 area.height = widget->allocation.height;
1840 draw_end_presentation_page (view, &area);
1843 case EV_PRESENTATION_BLACK:
1844 case EV_PRESENTATION_WHITE:
1846 case EV_PRESENTATION_NORMAL:
1852 if (view->loading) {
1853 GdkRectangle area = {0};
1855 area.width = widget->allocation.width;
1856 area.height = widget->allocation.height;
1858 draw_loading_text (view,
1863 if (view->document == NULL)
1866 for (i = view->start_page; i <= view->end_page; i++) {
1867 GdkRectangle page_area;
1869 gboolean page_ready = TRUE;
1871 if (!get_page_extents (view, i, &page_area, &border))
1874 page_area.x -= view->scroll_x;
1875 page_area.y -= view->scroll_y;
1877 draw_one_page (view, i, &page_area, &border, &(event->area), &page_ready);
1879 if (page_ready && EV_IS_DOCUMENT_FIND (view->document))
1880 highlight_find_results (view, i);
1887 ev_view_popup_menu (GtkWidget *widget)
1891 EvView *view = EV_VIEW (widget);
1893 gtk_widget_get_pointer (widget, &x, &y);
1894 link = ev_view_get_link_at_location (view, x, y);
1895 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
1900 ev_view_button_press_event (GtkWidget *widget,
1901 GdkEventButton *event)
1903 EvView *view = EV_VIEW (widget);
1906 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
1907 gtk_widget_grab_focus (widget);
1910 view->pressed_button = event->button;
1911 view->selection_info.in_drag = FALSE;
1913 switch (event->button) {
1915 if (view->selection_info.selections) {
1916 if (location_in_selected_text (view,
1917 event->x + view->scroll_x,
1918 event->y + view->scroll_y)) {
1919 view->selection_info.in_drag = TRUE;
1921 clear_selection (view);
1924 gtk_widget_queue_draw (widget);
1927 view->selection_info.start.x = event->x + view->scroll_x;
1928 view->selection_info.start.y = event->y + view->scroll_y;
1932 /* use root coordinates as reference point because
1933 * scrolling changes window relative coordinates */
1934 view->drag_info.start.x = event->x_root;
1935 view->drag_info.start.y = event->y_root;
1936 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
1937 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
1939 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1943 link = ev_view_get_link_at_location (view, event->x, event->y);
1944 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
1952 ev_view_drag_data_get (GtkWidget *widget,
1953 GdkDragContext *context,
1954 GtkSelectionData *selection_data,
1958 EvView *view = EV_VIEW (widget);
1960 if (view->selection_info.selections &&
1961 ev_document_can_get_text (view->document)) {
1964 text = get_selected_text (view);
1966 gtk_selection_data_set_text (selection_data, text, strlen (text));
1973 selection_update_idle_cb (EvView *view)
1975 compute_selections (view, &view->selection_info.start, &view->motion);
1976 view->selection_update_id = 0;
1981 selection_scroll_timeout_cb (EvView *view)
1983 gint x, y, shift = 0;
1984 GtkWidget *widget = GTK_WIDGET (view);
1986 gtk_widget_get_pointer (widget, &x, &y);
1988 if (y > widget->allocation.height) {
1989 shift = (y - widget->allocation.height) / 2;
1995 gtk_adjustment_set_value (view->vadjustment,
1996 CLAMP (view->vadjustment->value + shift,
1997 view->vadjustment->lower,
1998 view->vadjustment->upper -
1999 view->vadjustment->page_size));
2001 if (x > widget->allocation.width) {
2002 shift = (x - widget->allocation.width) / 2;
2008 gtk_adjustment_set_value (view->hadjustment,
2009 CLAMP (view->hadjustment->value + shift,
2010 view->hadjustment->lower,
2011 view->hadjustment->upper -
2012 view->hadjustment->page_size));
2018 ev_view_motion_notify_event (GtkWidget *widget,
2019 GdkEventMotion *event)
2021 EvView *view = EV_VIEW (widget);
2024 if (!view->document)
2027 if (event->is_hint || event->window != widget->window) {
2028 gtk_widget_get_pointer (widget, &x, &y);
2034 if (view->selection_info.in_drag) {
2035 if (gtk_drag_check_threshold (widget,
2036 view->selection_info.start.x,
2037 view->selection_info.start.y,
2039 GdkDragContext *context;
2040 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
2042 gtk_target_list_add_text_targets (target_list, 0);
2044 context = gtk_drag_begin (widget, target_list,
2046 1, (GdkEvent *)event);
2048 view->selection_info.in_drag = FALSE;
2050 gtk_target_list_unref (target_list);
2056 /* For the Evince 0.4.x release, we limit selection to un-rotated
2059 if (view->pressed_button == 1 && view->rotation == 0) {
2061 /* Schedule timeout to scroll during selection and additionally
2062 * scroll once to allow arbitrary speed. */
2063 if (!view->selection_scroll_id)
2064 view->selection_scroll_id = g_timeout_add (SCROLL_TIME, (GSourceFunc)selection_scroll_timeout_cb, view);
2066 selection_scroll_timeout_cb (view);
2068 view->selection_info.in_selection = TRUE;
2069 view->motion.x = x + view->scroll_x;
2070 view->motion.y = y + view->scroll_y;
2072 /* Queue an idle to handle the motion. We do this because
2073 * handling any selection events in the motion could be slower
2074 * than new motion events reach us. We always put it in the
2075 * idle to make sure we catch up and don't visibly lag the
2077 if (!view->selection_update_id)
2078 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
2081 } else if (view->pressed_button == 2) {
2082 if (!view->drag_info.in_drag) {
2085 start = gtk_drag_check_threshold (widget,
2086 view->drag_info.start.x,
2087 view->drag_info.start.y,
2090 view->drag_info.in_drag = start;
2093 if (view->drag_info.in_drag) {
2095 gdouble dhadj_value, dvadj_value;
2097 dx = event->x_root - view->drag_info.start.x;
2098 dy = event->y_root - view->drag_info.start.y;
2100 dhadj_value = view->hadjustment->page_size *
2101 (gdouble)dx / widget->allocation.width;
2102 dvadj_value = view->vadjustment->page_size *
2103 (gdouble)dy / widget->allocation.height;
2105 /* clamp scrolling to visible area */
2106 gtk_adjustment_set_value (view->hadjustment,
2107 MIN(view->drag_info.hadj - dhadj_value,
2108 view->hadjustment->upper -
2109 view->hadjustment->page_size));
2110 gtk_adjustment_set_value (view->vadjustment,
2111 MIN(view->drag_info.vadj - dvadj_value,
2112 view->vadjustment->upper -
2113 view->vadjustment->page_size));
2117 } else if (view->pressed_button <= 0) {
2118 handle_link_over_xy (view, x, y);
2126 ev_view_button_release_event (GtkWidget *widget,
2127 GdkEventButton *event)
2129 EvView *view = EV_VIEW (widget);
2132 if (view->pressed_button == 2) {
2133 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
2136 if (view->document && view->pressed_button == 1) {
2137 link = ev_view_get_link_at_location (view, event->x, event->y);
2142 view->pressed_button = -1;
2143 view->drag_info.in_drag = FALSE;
2145 if (view->selection_scroll_id) {
2146 g_source_remove (view->selection_scroll_id);
2147 view->selection_scroll_id = 0;
2149 if (view->selection_update_id) {
2150 g_source_remove (view->selection_update_id);
2151 view->selection_update_id = 0;
2154 if (view->selection_info.selections) {
2155 ev_view_update_primary_selection (view);
2157 if (view->selection_info.in_drag) {
2158 clear_selection (view);
2159 gtk_widget_queue_draw (widget);
2162 view->selection_info.in_drag = FALSE;
2164 ev_view_handle_link (view, link);
2165 } else if (view->presentation) {
2166 switch (event->button) {
2168 ev_view_next_page (view);
2171 ev_view_previous_page (view);
2180 ev_view_key_press_event (GtkWidget *widget,
2183 EvView *view = EV_VIEW (widget);
2184 EvPresentationState current;
2186 if (!view->presentation ||
2187 view->presentation_state == EV_PRESENTATION_END)
2190 current = view->presentation_state;
2192 switch (event->keyval) {
2195 view->presentation_state =
2196 (view->presentation_state == EV_PRESENTATION_BLACK) ?
2197 EV_PRESENTATION_NORMAL : EV_PRESENTATION_BLACK;
2201 view->presentation_state =
2202 (view->presentation_state == EV_PRESENTATION_WHITE) ?
2203 EV_PRESENTATION_NORMAL : EV_PRESENTATION_WHITE;
2206 if (view->presentation_state == EV_PRESENTATION_BLACK ||
2207 view->presentation_state == EV_PRESENTATION_WHITE) {
2208 view->presentation_state = EV_PRESENTATION_NORMAL;
2212 if (current == view->presentation_state)
2215 switch (view->presentation_state) {
2216 case EV_PRESENTATION_NORMAL:
2217 case EV_PRESENTATION_BLACK:
2218 gdk_window_set_background (widget->window,
2219 &widget->style->black);
2221 case EV_PRESENTATION_WHITE:
2222 gdk_window_set_background (widget->window,
2223 &widget->style->white);
2229 gtk_widget_queue_draw (widget);
2234 ev_view_focus_in (GtkWidget *widget,
2235 GdkEventFocus *event)
2237 if (EV_VIEW (widget)->pixbuf_cache)
2238 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
2239 gtk_widget_queue_draw (widget);
2245 ev_view_focus_out (GtkWidget *widget,
2246 GdkEventFocus *event)
2248 if (EV_VIEW (widget)->pixbuf_cache)
2249 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
2250 gtk_widget_queue_draw (widget);
2256 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
2258 EvView *view = EV_VIEW (widget);
2260 ev_view_set_status (view, NULL);
2262 if (view->cursor == EV_VIEW_CURSOR_LINK ||
2263 view->cursor == EV_VIEW_CURSOR_IBEAM)
2264 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
2266 if (view->link_tooltip) {
2267 view->hovered_link = NULL;
2268 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
2275 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
2277 EvView *view = EV_VIEW (widget);
2279 handle_link_over_xy (view, event->x, event->y);
2285 ev_view_style_set (GtkWidget *widget,
2286 GtkStyle *old_style)
2288 if (EV_VIEW (widget)->pixbuf_cache)
2289 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
2291 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
2297 ev_gdk_color_to_rgb (const GdkColor *color)
2300 result = (0xff0000 | (color->red & 0xff00));
2302 result |= ((color->green & 0xff00) | (color->blue >> 8));
2307 draw_rubberband (GtkWidget *widget, GdkWindow *window,
2308 const GdkRectangle *rect, guchar alpha)
2312 GdkColor *fill_color_gdk;
2315 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
2316 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
2318 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
2319 rect->width, rect->height);
2320 gdk_pixbuf_fill (pixbuf, fill_color);
2322 gdk_draw_pixbuf (window, NULL, pixbuf,
2324 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
2325 rect->width, rect->height,
2326 GDK_RGB_DITHER_NONE,
2329 g_object_unref (pixbuf);
2331 gc = gdk_gc_new (window);
2332 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
2333 gdk_draw_rectangle (window, gc, FALSE,
2334 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
2337 g_object_unref (gc);
2339 gdk_color_free (fill_color_gdk);
2344 highlight_find_results (EvView *view, int page)
2346 EvDocumentFind *find;
2349 g_return_if_fail (EV_IS_DOCUMENT_FIND (view->document));
2351 find = EV_DOCUMENT_FIND (view->document);
2353 results = ev_document_find_get_n_results (find, page);
2355 for (i = 0; i < results; i++) {
2356 EvRectangle rectangle;
2357 GdkRectangle view_rectangle;
2360 if (i == view->find_result && page == view->current_page) {
2366 ev_document_find_get_result (find, page, i, &rectangle);
2367 doc_rect_to_view_rect (view, page, &rectangle, &view_rectangle);
2368 draw_rubberband (GTK_WIDGET (view), GTK_WIDGET(view)->window,
2369 &view_rectangle, alpha);
2374 draw_loading_text (EvView *view,
2375 GdkRectangle *page_area,
2376 GdkRectangle *expose_area)
2378 PangoLayout *layout;
2379 PangoFontDescription *font_desc;
2380 PangoRectangle logical_rect;
2384 /* Don't annoy users with loading messages during presentations.
2385 * FIXME: Temporary "workaround" for
2386 * http://bugzilla.gnome.org/show_bug.cgi?id=320352 */
2387 if (view->presentation)
2390 const char *loading_text = _("Loading...");
2392 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
2394 font_desc = pango_font_description_new ();
2397 /* We set the font to be 10 points, get the size, and scale appropriately */
2398 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
2399 pango_layout_set_font_description (layout, font_desc);
2400 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2402 /* Make sure we fit the middle of the page */
2403 target_width = MAX (page_area->width / 2, 1);
2404 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
2405 pango_font_description_set_size (font_desc, (int)real_scale);
2406 pango_layout_set_font_description (layout, font_desc);
2407 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2409 gtk_paint_layout (GTK_WIDGET (view)->style,
2410 GTK_WIDGET (view)->window,
2411 GTK_WIDGET_STATE (view),
2416 page_area->x + (target_width/2),
2417 page_area->y + (page_area->height - logical_rect.height) / 2,
2420 pango_font_description_free (font_desc);
2421 g_object_unref (layout);
2425 draw_one_page (EvView *view,
2427 GdkRectangle *page_area,
2429 GdkRectangle *expose_area,
2430 gboolean *page_ready)
2433 GdkPixbuf *current_pixbuf;
2434 GdkRectangle overlap;
2435 GdkRectangle real_page_area;
2436 EvViewSelection *selection;
2439 g_assert (view->document);
2441 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
2444 current_page = ev_page_cache_get_current_page (view->page_cache);
2445 selection = find_selection_for_page (view, page);
2446 ev_page_cache_get_size (view->page_cache,
2447 page, view->rotation,
2450 /* Render the document itself */
2451 real_page_area = *page_area;
2453 real_page_area.x += border->left;
2454 real_page_area.y += border->top;
2455 real_page_area.width -= (border->left + border->right);
2456 real_page_area.height -= (border->top + border->bottom);
2459 ev_document_misc_paint_one_page (GTK_WIDGET(view)->window,
2462 page == current_page);
2464 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
2465 GdkPixbuf *selection_pixbuf = NULL;
2466 GdkPixbuf *scaled_image;
2467 GdkPixbuf *scaled_selection;
2469 current_pixbuf = ev_pixbuf_cache_get_pixbuf (view->pixbuf_cache, page);
2471 /* Get the selection pixbuf iff we have something to draw */
2472 if (current_pixbuf && view->selection_mode == EV_VIEW_SELECTION_TEXT && selection)
2473 selection_pixbuf = ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
2478 if (current_pixbuf == NULL)
2479 scaled_image = NULL;
2480 else if (width == gdk_pixbuf_get_width (current_pixbuf) &&
2481 height == gdk_pixbuf_get_height (current_pixbuf))
2482 scaled_image = g_object_ref (current_pixbuf);
2484 /* FIXME: We don't want to scale the whole area, just the right
2486 scaled_image = gdk_pixbuf_scale_simple (current_pixbuf,
2488 GDK_INTERP_NEAREST);
2490 if (selection_pixbuf == NULL)
2491 scaled_selection = NULL;
2492 else if (width == gdk_pixbuf_get_width (selection_pixbuf) &&
2493 height == gdk_pixbuf_get_height (selection_pixbuf))
2494 scaled_selection = g_object_ref (selection_pixbuf);
2496 /* FIXME: We don't want to scale the whole area, just the right
2498 scaled_selection = gdk_pixbuf_scale_simple (selection_pixbuf,
2500 GDK_INTERP_NEAREST);
2503 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2504 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2506 overlap.x - real_page_area.x,
2507 overlap.y - real_page_area.y,
2508 overlap.x, overlap.y,
2509 overlap.width, overlap.height,
2510 GDK_RGB_DITHER_NORMAL,
2512 g_object_unref (scaled_image);
2514 draw_loading_text (view,
2517 *page_ready = FALSE;
2520 if (scaled_selection) {
2521 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2522 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2524 overlap.x - real_page_area.x,
2525 overlap.y - real_page_area.y,
2526 overlap.x, overlap.y,
2527 overlap.width, overlap.height,
2528 GDK_RGB_DITHER_NORMAL,
2530 g_object_unref (scaled_selection);
2535 /*** GObject functions ***/
2538 ev_view_finalize (GObject *object)
2540 EvView *view = EV_VIEW (object);
2544 g_free (view->status);
2545 g_free (view->find_status);
2547 clear_selection (view);
2549 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
2553 ev_view_destroy (GtkObject *object)
2555 EvView *view = EV_VIEW (object);
2557 if (view->document) {
2558 g_object_unref (view->document);
2559 view->document = NULL;
2562 if (view->pixbuf_cache) {
2563 g_object_unref (view->pixbuf_cache);
2564 view->pixbuf_cache = NULL;
2567 if (view->link_tooltip) {
2568 gtk_widget_destroy (view->link_tooltip);
2569 view->link_tooltip = NULL;
2572 if (view->selection_scroll_id) {
2573 g_source_remove (view->selection_scroll_id);
2574 view->selection_scroll_id = 0;
2577 if (view->selection_update_id) {
2578 g_source_remove (view->selection_update_id);
2579 view->selection_update_id = 0;
2582 ev_view_set_scroll_adjustments (view, NULL, NULL);
2584 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
2588 ev_view_set_property (GObject *object,
2590 const GValue *value,
2593 EvView *view = EV_VIEW (object);
2596 case PROP_CONTINUOUS:
2597 ev_view_set_continuous (view, g_value_get_boolean (value));
2599 case PROP_DUAL_PAGE:
2600 ev_view_set_dual_page (view, g_value_get_boolean (value));
2602 case PROP_FULLSCREEN:
2603 ev_view_set_fullscreen (view, g_value_get_boolean (value));
2605 case PROP_PRESENTATION:
2606 ev_view_set_presentation (view, g_value_get_boolean (value));
2608 case PROP_SIZING_MODE:
2609 ev_view_set_sizing_mode (view, g_value_get_enum (value));
2612 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
2615 ev_view_set_rotation (view, g_value_get_int (value));
2618 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2623 ev_view_get_accessible (GtkWidget *widget)
2625 static gboolean first_time = TRUE;
2628 AtkObjectFactory *factory;
2629 AtkRegistry *registry;
2631 GType derived_atk_type;
2634 * Figure out whether accessibility is enabled by looking at the
2635 * type of the accessible object which would be created for
2636 * the parent type of EvView.
2638 derived_type = g_type_parent (EV_TYPE_VIEW);
2640 registry = atk_get_default_registry ();
2641 factory = atk_registry_get_factory (registry,
2643 derived_atk_type = atk_object_factory_get_accessible_type (factory);
2644 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
2645 atk_registry_set_factory_type (registry,
2647 ev_view_accessible_factory_get_type ());
2650 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
2654 ev_view_get_property (GObject *object,
2659 EvView *view = EV_VIEW (object);
2663 g_value_set_string (value, view->status);
2665 case PROP_FIND_STATUS:
2666 g_value_set_string (value, view->status);
2668 case PROP_CONTINUOUS:
2669 g_value_set_boolean (value, view->continuous);
2671 case PROP_DUAL_PAGE:
2672 g_value_set_boolean (value, view->dual_page);
2674 case PROP_FULLSCREEN:
2675 g_value_set_boolean (value, view->fullscreen);
2677 case PROP_PRESENTATION:
2678 g_value_set_boolean (value, view->presentation);
2680 case PROP_SIZING_MODE:
2681 g_value_set_enum (value, view->sizing_mode);
2684 g_value_set_double (value, view->scale);
2687 g_value_set_int (value, view->rotation);
2689 case PROP_HAS_SELECTION:
2690 g_value_set_boolean (value,
2691 view->selection_info.selections != NULL);
2694 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2699 ev_view_class_init (EvViewClass *class)
2701 GObjectClass *object_class = G_OBJECT_CLASS (class);
2702 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
2703 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
2704 GtkBindingSet *binding_set;
2706 object_class->finalize = ev_view_finalize;
2707 object_class->set_property = ev_view_set_property;
2708 object_class->get_property = ev_view_get_property;
2710 widget_class->expose_event = ev_view_expose_event;
2711 widget_class->button_press_event = ev_view_button_press_event;
2712 widget_class->motion_notify_event = ev_view_motion_notify_event;
2713 widget_class->button_release_event = ev_view_button_release_event;
2714 widget_class->key_press_event = ev_view_key_press_event;
2715 widget_class->focus_in_event = ev_view_focus_in;
2716 widget_class->focus_out_event = ev_view_focus_out;
2717 widget_class->get_accessible = ev_view_get_accessible;
2718 widget_class->size_request = ev_view_size_request;
2719 widget_class->size_allocate = ev_view_size_allocate;
2720 widget_class->realize = ev_view_realize;
2721 widget_class->scroll_event = ev_view_scroll_event;
2722 widget_class->enter_notify_event = ev_view_enter_notify_event;
2723 widget_class->leave_notify_event = ev_view_leave_notify_event;
2724 widget_class->style_set = ev_view_style_set;
2725 widget_class->drag_data_get = ev_view_drag_data_get;
2726 widget_class->popup_menu = ev_view_popup_menu;
2727 gtk_object_class->destroy = ev_view_destroy;
2729 class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
2730 class->binding_activated = ev_view_scroll;
2732 widget_class->set_scroll_adjustments_signal =
2733 g_signal_new ("set-scroll-adjustments",
2734 G_OBJECT_CLASS_TYPE (object_class),
2735 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2736 G_STRUCT_OFFSET (EvViewClass, set_scroll_adjustments),
2738 ev_marshal_VOID__OBJECT_OBJECT,
2740 GTK_TYPE_ADJUSTMENT,
2741 GTK_TYPE_ADJUSTMENT);
2743 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
2744 G_TYPE_FROM_CLASS (object_class),
2745 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2746 G_STRUCT_OFFSET (EvViewClass, binding_activated),
2748 ev_marshal_VOID__ENUM_BOOLEAN,
2750 GTK_TYPE_SCROLL_TYPE,
2753 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
2754 G_TYPE_FROM_CLASS (object_class),
2755 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2756 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
2758 ev_marshal_VOID__VOID,
2759 G_TYPE_NONE, 0, G_TYPE_NONE);
2760 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
2761 G_TYPE_FROM_CLASS (object_class),
2762 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2763 G_STRUCT_OFFSET (EvViewClass, external_link),
2765 g_cclosure_marshal_VOID__OBJECT,
2768 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
2769 G_TYPE_FROM_CLASS (object_class),
2770 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2771 G_STRUCT_OFFSET (EvViewClass, popup_menu),
2773 g_cclosure_marshal_VOID__OBJECT,
2777 g_object_class_install_property (object_class,
2779 g_param_spec_string ("status",
2781 "The status message",
2785 g_object_class_install_property (object_class,
2787 g_param_spec_string ("find-status",
2788 "Find Status Message",
2789 "The find status message",
2793 g_object_class_install_property (object_class,
2795 g_param_spec_boolean ("continuous",
2797 "Continuous scrolling mode",
2799 G_PARAM_READWRITE));
2801 g_object_class_install_property (object_class,
2803 g_param_spec_boolean ("dual-page",
2805 "Two pages visible at once",
2807 G_PARAM_READWRITE));
2808 g_object_class_install_property (object_class,
2810 g_param_spec_boolean ("fullscreen",
2812 "Draw page in a fullscreen fashion",
2814 G_PARAM_READWRITE));
2815 g_object_class_install_property (object_class,
2817 g_param_spec_boolean ("presentation",
2819 "Draw page in presentation mode",
2821 G_PARAM_READWRITE));
2823 g_object_class_install_property (object_class,
2825 g_param_spec_enum ("sizing-mode",
2828 EV_TYPE_SIZING_MODE,
2829 EV_SIZING_FIT_WIDTH,
2830 G_PARAM_READWRITE));
2832 g_object_class_install_property (object_class,
2834 g_param_spec_double ("zoom",
2840 G_PARAM_READWRITE));
2841 g_object_class_install_property (object_class,
2843 g_param_spec_double ("rotation",
2849 G_PARAM_READWRITE));
2850 g_object_class_install_property (object_class,
2852 g_param_spec_boolean ("has-selection",
2854 "The view has selections",
2858 binding_set = gtk_binding_set_by_class (class);
2860 add_scroll_binding_keypad (binding_set, GDK_Left, 0, EV_SCROLL_STEP_BACKWARD, TRUE);
2861 add_scroll_binding_keypad (binding_set, GDK_Right, 0, EV_SCROLL_STEP_FORWARD, TRUE);
2862 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, TRUE);
2863 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, TRUE);
2864 add_scroll_binding_keypad (binding_set, GDK_Up, 0, EV_SCROLL_STEP_BACKWARD, FALSE);
2865 add_scroll_binding_keypad (binding_set, GDK_Down, 0, EV_SCROLL_STEP_FORWARD, FALSE);
2866 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, FALSE);
2867 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, FALSE);
2871 ev_view_init (EvView *view)
2873 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
2877 view->current_page = 0;
2878 view->pressed_button = -1;
2879 view->cursor = EV_VIEW_CURSOR_NORMAL;
2880 view->drag_info.in_drag = FALSE;
2881 view->selection_info.selections = NULL;
2882 view->selection_info.in_selection = FALSE;
2883 view->selection_info.in_drag = FALSE;
2884 view->selection_mode = EV_VIEW_SELECTION_TEXT;
2885 view->continuous = TRUE;
2886 view->dual_page = FALSE;
2887 view->presentation = FALSE;
2888 view->presentation_state = EV_PRESENTATION_NORMAL;
2889 view->fullscreen = FALSE;
2890 view->sizing_mode = EV_SIZING_FIT_WIDTH;
2891 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2892 view->jump_to_find_result = TRUE;
2898 find_changed_cb (EvDocument *document, int page, EvView *view)
2903 percent = ev_document_find_get_progress
2904 (EV_DOCUMENT_FIND (view->document));
2905 n_pages = ev_page_cache_get_n_pages (view->page_cache);
2907 if (view->jump_to_find_result == TRUE) {
2908 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
2909 jump_to_find_result (view);
2911 update_find_status_message (view, percent * n_pages >= n_pages - 1 );
2912 if (view->current_page == page)
2913 gtk_widget_queue_draw (GTK_WIDGET (view));
2917 job_finished_cb (EvPixbufCache *pixbuf_cache,
2920 gtk_widget_queue_draw (GTK_WIDGET (view));
2924 page_changed_cb (EvPageCache *page_cache,
2928 if (view->current_page != new_page) {
2929 view->current_page = new_page;
2930 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2931 gtk_widget_queue_resize (GTK_WIDGET (view));
2933 gtk_widget_queue_draw (GTK_WIDGET (view));
2936 if (EV_IS_DOCUMENT_FIND (view->document)) {
2937 view->find_result = 0;
2938 update_find_status_message (view, TRUE);
2942 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
2947 if (! GTK_WIDGET_REALIZED (view))
2950 if (view->hadjustment) {
2951 dx = view->scroll_x - (int) view->hadjustment->value;
2952 view->scroll_x = (int) view->hadjustment->value;
2957 if (view->vadjustment) {
2958 dy = view->scroll_y - (int) view->vadjustment->value;
2959 view->scroll_y = (int) view->vadjustment->value;
2965 if (view->pending_resize)
2966 gtk_widget_queue_draw (GTK_WIDGET (view));
2968 gdk_window_scroll (GTK_WIDGET (view)->window, dx, dy);
2972 view_update_range_and_current_page (view);
2980 view = g_object_new (EV_TYPE_VIEW, NULL);
2986 setup_caches (EvView *view)
2988 view->page_cache = ev_page_cache_get (view->document);
2989 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
2990 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
2991 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
2995 clear_caches (EvView *view)
2997 if (view->pixbuf_cache) {
2998 g_object_unref (view->pixbuf_cache);
2999 view->pixbuf_cache = NULL;
3002 if (view->page_cache) {
3003 view->page_cache = NULL;
3008 ev_view_set_loading (EvView *view,
3011 view->loading = loading;
3012 gtk_widget_queue_draw (GTK_WIDGET (view));
3016 ev_view_set_document (EvView *view,
3017 EvDocument *document)
3019 g_return_if_fail (EV_IS_VIEW (view));
3021 view->loading = FALSE;
3023 if (document != view->document) {
3024 clear_caches (view);
3026 if (view->document) {
3027 g_signal_handlers_disconnect_by_func (view->document,
3030 g_object_unref (view->document);
3031 view->page_cache = NULL;
3035 view->document = document;
3036 view->find_result = 0;
3038 if (view->document) {
3039 g_object_ref (view->document);
3040 if (EV_IS_DOCUMENT_FIND (view->document)) {
3041 g_signal_connect (view->document,
3043 G_CALLBACK (find_changed_cb),
3047 setup_caches (view);
3050 gtk_widget_queue_resize (GTK_WIDGET (view));
3054 /*** Zoom and sizing mode ***/
3056 #define EPSILON 0.0000001
3058 ev_view_set_zoom (EvView *view,
3065 scale = view->scale * factor;
3069 scale = CLAMP (scale, MIN_SCALE, MAX_SCALE);
3071 if (ABS (view->scale - scale) < EPSILON)
3074 view->scale = scale;
3075 view->pending_resize = TRUE;
3077 gtk_widget_queue_resize (GTK_WIDGET (view));
3079 g_object_notify (G_OBJECT (view), "zoom");
3083 ev_view_get_zoom (EvView *view)
3089 ev_view_get_continuous (EvView *view)
3091 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3093 return view->continuous;
3097 ev_view_set_continuous (EvView *view,
3098 gboolean continuous)
3100 g_return_if_fail (EV_IS_VIEW (view));
3102 continuous = continuous != FALSE;
3104 if (view->continuous != continuous) {
3105 view->continuous = continuous;
3106 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
3107 gtk_widget_queue_resize (GTK_WIDGET (view));
3110 g_object_notify (G_OBJECT (view), "continuous");
3114 ev_view_get_dual_page (EvView *view)
3116 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3118 return view->dual_page;
3122 ev_view_set_dual_page (EvView *view,
3125 g_return_if_fail (EV_IS_VIEW (view));
3127 dual_page = dual_page != FALSE;
3129 if (view->dual_page == dual_page)
3132 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
3133 view->dual_page = dual_page;
3134 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
3135 * preload_cache_size to be 2 if dual_page is set.
3137 gtk_widget_queue_resize (GTK_WIDGET (view));
3139 g_object_notify (G_OBJECT (view), "dual-page");
3143 ev_view_set_fullscreen (EvView *view,
3144 gboolean fullscreen)
3146 g_return_if_fail (EV_IS_VIEW (view));
3148 fullscreen = fullscreen != FALSE;
3150 if (view->fullscreen == fullscreen)
3153 view->fullscreen = fullscreen;
3154 gtk_widget_queue_resize (GTK_WIDGET (view));
3156 g_object_notify (G_OBJECT (view), "fullscreen");
3160 ev_view_get_fullscreen (EvView *view)
3162 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3164 return view->fullscreen;
3168 ev_view_set_presentation (EvView *view,
3169 gboolean presentation)
3171 g_return_if_fail (EV_IS_VIEW (view));
3173 presentation = presentation != FALSE;
3175 if (view->presentation == presentation)
3179 view->presentation_state = EV_PRESENTATION_NORMAL;
3181 view->presentation = presentation;
3182 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
3183 gtk_widget_queue_resize (GTK_WIDGET (view));
3185 if (GTK_WIDGET_REALIZED (view)) {
3186 if (view->presentation)
3187 gdk_window_set_background (GTK_WIDGET(view)->window,
3188 >K_WIDGET (view)->style->black);
3190 gdk_window_set_background (GTK_WIDGET(view)->window,
3191 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
3194 g_object_notify (G_OBJECT (view), "presentation");
3198 ev_view_get_presentation (EvView *view)
3200 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3202 return view->presentation;
3206 ev_view_set_sizing_mode (EvView *view,
3207 EvSizingMode sizing_mode)
3209 g_return_if_fail (EV_IS_VIEW (view));
3211 if (view->sizing_mode == sizing_mode)
3214 view->sizing_mode = sizing_mode;
3215 gtk_widget_queue_resize (GTK_WIDGET (view));
3217 g_object_notify (G_OBJECT (view), "sizing-mode");
3221 ev_view_get_sizing_mode (EvView *view)
3223 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
3225 return view->sizing_mode;
3229 ev_view_can_zoom_in (EvView *view)
3231 return view->scale * ZOOM_IN_FACTOR <= MAX_SCALE;
3235 ev_view_can_zoom_out (EvView *view)
3237 return view->scale * ZOOM_OUT_FACTOR >= MIN_SCALE;
3241 ev_view_zoom_in (EvView *view)
3243 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
3245 view->pending_scroll = SCROLL_TO_CENTER;
3246 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
3250 ev_view_zoom_out (EvView *view)
3252 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
3254 view->pending_scroll = SCROLL_TO_CENTER;
3255 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
3259 ev_view_rotate_right (EvView *view)
3261 int rotation = view->rotation + 90;
3263 if (rotation >= 360) {
3267 ev_view_set_rotation (view, rotation);
3271 ev_view_rotate_left (EvView *view)
3273 int rotation = view->rotation - 90;
3279 ev_view_set_rotation (view, rotation);
3283 ev_view_set_rotation (EvView *view, int rotation)
3285 view->rotation = rotation;
3287 if (view->pixbuf_cache) {
3288 ev_pixbuf_cache_clear (view->pixbuf_cache);
3289 gtk_widget_queue_resize (GTK_WIDGET (view));
3293 clear_selection (view);
3295 g_object_notify (G_OBJECT (view), "rotation");
3299 ev_view_get_rotation (EvView *view)
3301 return view->rotation;
3305 zoom_for_size_fit_width (int doc_width,
3313 scale = (double)target_width / doc_width;
3315 if (doc_height * scale > target_height)
3316 scale = (double) (target_width - vsb_width) / doc_width;
3322 zoom_for_size_fit_height (int doc_width,
3330 scale = (double)target_height / doc_height;
3332 if (doc_width * scale > target_width)
3333 scale = (double) (target_height - vsb_height) / doc_height;
3339 zoom_for_size_best_fit (int doc_width,
3349 w_scale = (double)target_width / doc_width;
3350 h_scale = (double)target_height / doc_height;
3352 if (doc_height * w_scale > target_height)
3353 w_scale = (double) (target_width - vsb_width) / doc_width;
3354 if (doc_width * h_scale > target_width)
3355 h_scale = (double) (target_height - hsb_width) / doc_height;
3357 return MIN (w_scale, h_scale);
3362 ev_view_zoom_for_size_presentation (EvView *view,
3366 int doc_width, doc_height;
3369 ev_page_cache_get_size (view->page_cache,
3375 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
3376 ev_view_set_zoom (view, scale, FALSE);
3380 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
3386 int doc_width, doc_height;
3390 ev_page_cache_get_max_width (view->page_cache,
3394 ev_page_cache_get_max_height (view->page_cache,
3398 compute_border (view, doc_width, doc_height, &border);
3400 doc_width = doc_width * 2;
3401 width -= (2 * (border.left + border.right) + 3 * view->spacing);
3402 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3404 /* FIXME: We really need to calculate the overall height here, not the
3405 * page height. We assume there's always a vertical scrollbar for
3406 * now. We need to fix this. */
3407 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3408 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3409 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3410 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3412 g_assert_not_reached ();
3414 ev_view_set_zoom (view, scale, FALSE);
3418 ev_view_zoom_for_size_continuous (EvView *view,
3424 int doc_width, doc_height;
3428 ev_page_cache_get_max_width (view->page_cache,
3432 ev_page_cache_get_max_height (view->page_cache,
3436 compute_border (view, doc_width, doc_height, &border);
3438 width -= (border.left + border.right + 2 * view->spacing);
3439 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3441 /* FIXME: We really need to calculate the overall height here, not the
3442 * page height. We assume there's always a vertical scrollbar for
3443 * now. We need to fix this. */
3444 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3445 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3446 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3447 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3449 g_assert_not_reached ();
3451 ev_view_set_zoom (view, scale, FALSE);
3455 ev_view_zoom_for_size_dual_page (EvView *view,
3462 gint doc_width, doc_height;
3466 other_page = view->current_page ^ 1;
3468 /* Find the largest of the two. */
3469 ev_page_cache_get_size (view->page_cache,
3473 &doc_width, &doc_height);
3475 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
3476 gint width_2, height_2;
3477 ev_page_cache_get_size (view->page_cache,
3481 &width_2, &height_2);
3482 if (width_2 > doc_width)
3483 doc_width = width_2;
3484 if (height_2 > doc_height)
3485 doc_height = height_2;
3487 compute_border (view, doc_width, doc_height, &border);
3489 doc_width = doc_width * 2;
3490 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
3491 height -= (border.top + border.bottom + 2 * view->spacing);
3493 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3494 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3495 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3496 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3498 g_assert_not_reached ();
3500 ev_view_set_zoom (view, scale, FALSE);
3504 ev_view_zoom_for_size_single_page (EvView *view,
3510 int doc_width, doc_height;
3514 ev_page_cache_get_size (view->page_cache,
3520 /* Get an approximate border */
3521 compute_border (view, width, height, &border);
3523 width -= (border.left + border.right + 2 * view->spacing);
3524 height -= (border.top + border.bottom + 2 * view->spacing);
3526 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3527 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3528 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3529 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3531 g_assert_not_reached ();
3533 ev_view_set_zoom (view, scale, FALSE);
3537 ev_view_set_zoom_for_size (EvView *view,
3543 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
3544 view->sizing_mode == EV_SIZING_BEST_FIT);
3545 g_return_if_fail (width >= 0);
3546 g_return_if_fail (height >= 0);
3548 if (view->document == NULL)
3551 if (view->presentation)
3552 ev_view_zoom_for_size_presentation (view, width, height);
3553 else if (view->continuous && view->dual_page)
3554 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
3555 else if (view->continuous)
3556 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
3557 else if (view->dual_page)
3558 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
3560 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
3563 /*** Status text messages ***/
3566 ev_view_get_status (EvView *view)
3568 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3570 return view->status;
3574 ev_view_set_status (EvView *view, const char *message)
3576 g_return_if_fail (EV_IS_VIEW (view));
3578 if (message != view->status) {
3579 g_free (view->status);
3580 view->status = g_strdup (message);
3581 g_object_notify (G_OBJECT (view), "status");
3586 update_find_status_message (EvView *view, gboolean this_page)
3593 results = ev_document_find_get_n_results
3594 (EV_DOCUMENT_FIND (view->document),
3595 view->current_page);
3596 /* TRANS: Sometimes this could be better translated as
3597 "%d hit(s) on this page". Therefore this string
3598 contains plural cases. */
3599 message = g_strdup_printf (ngettext ("%d found on this page",
3600 "%d found on this page",
3606 percent = ev_document_find_get_progress
3607 (EV_DOCUMENT_FIND (view->document));
3608 message = g_strdup_printf (_("%3d%% remaining to search"),
3609 (int) ((1.0 - percent) * 100));
3612 ev_view_set_find_status (view, message);
3617 ev_view_get_find_status (EvView *view)
3619 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3621 return view->find_status;
3625 ev_view_set_find_status (EvView *view, const char *message)
3627 g_return_if_fail (EV_IS_VIEW (view));
3629 g_free (view->find_status);
3630 view->find_status = g_strdup (message);
3631 g_object_notify (G_OBJECT (view), "find-status");
3637 jump_to_find_result (EvView *view)
3639 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3641 GdkRectangle view_rect;
3643 int page = view->current_page;
3645 n_results = ev_document_find_get_n_results (find, page);
3647 if (n_results > 0 && view->find_result < n_results) {
3648 ev_document_find_get_result
3649 (find, page, view->find_result, &rect);
3651 doc_rect_to_view_rect (view, page, &rect, &view_rect);
3652 ensure_rectangle_is_visible (view, &view_rect);
3658 * @view: #EvView instance
3659 * @direction: Direction to look
3660 * @shift: Shift from current page
3662 * Jumps to the first page that has occurences of searched word.
3663 * Uses a direction where to look and a shift from current page.
3667 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
3671 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3673 for (i = 0; i < n_pages; i++) {
3677 if (direction == EV_VIEW_FIND_NEXT)
3678 page = view->current_page + i;
3680 page = view->current_page - i;
3683 if (page >= n_pages) {
3684 page = page - n_pages;
3687 page = page + n_pages;
3689 has_results = ev_document_find_page_has_results
3690 (EV_DOCUMENT_FIND (view->document), page);
3691 if (has_results == -1) {
3693 } else if (has_results == 1) {
3694 ev_page_cache_set_current_page (view->page_cache, page);
3701 ev_view_can_find_next (EvView *view)
3703 if (EV_IS_DOCUMENT_FIND (view->document)) {
3704 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3707 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3708 for (i = 0; i < n_pages; i++) {
3709 if (ev_document_find_get_n_results (find, i) > 0) {
3719 ev_view_find_next (EvView *view)
3721 int n_results, n_pages;
3722 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3724 n_results = ev_document_find_get_n_results (find, view->current_page);
3726 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3728 view->find_result++;
3730 if (view->find_result >= n_results) {
3732 view->find_result = 0;
3733 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
3734 jump_to_find_result (view);
3736 jump_to_find_result (view);
3737 gtk_widget_queue_draw (GTK_WIDGET (view));
3742 ev_view_can_find_previous (EvView *view)
3744 if (EV_IS_DOCUMENT_FIND (view->document)) {
3745 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3748 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3749 for (i = n_pages - 1; i >= 0; i--) {
3750 if (ev_document_find_get_n_results (find, i) > 0) {
3759 ev_view_find_previous (EvView *view)
3761 int n_results, n_pages;
3762 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3763 EvPageCache *page_cache;
3765 page_cache = ev_page_cache_get (view->document);
3767 n_results = ev_document_find_get_n_results (find, view->current_page);
3769 n_pages = ev_page_cache_get_n_pages (page_cache);
3771 view->find_result--;
3773 if (view->find_result < 0) {
3775 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
3776 view->find_result = ev_document_find_get_n_results (find, view->current_page) - 1;
3777 jump_to_find_result (view);
3779 jump_to_find_result (view);
3780 gtk_widget_queue_draw (GTK_WIDGET (view));
3784 void ev_view_search_changed (EvView *view)
3786 /* search string has changed, focus on new search result */
3787 view->jump_to_find_result = TRUE;
3790 /*** Selections ***/
3792 /* compute_new_selection_rect/text calculates the area currently selected by
3793 * view_rect. each handles a different mode;
3796 compute_new_selection_rect (EvView *view,
3800 GdkRectangle view_rect;
3804 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
3806 view_rect.x = MIN (start->x, stop->x);
3807 view_rect.y = MIN (start->y, stop->y);
3808 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
3809 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
3811 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3813 for (i = 0; i < n_pages; i++) {
3814 GdkRectangle page_area;
3817 if (get_page_extents (view, i, &page_area, &border)) {
3818 GdkRectangle overlap;
3820 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
3821 EvViewSelection *selection;
3823 selection = g_new0 (EvViewSelection, 1);
3824 selection->page = i;
3825 view_rect_to_doc_rect (view, &overlap, &page_area,
3826 &(selection->rect));
3828 list = g_list_append (list, selection);
3837 gdk_rectangle_point_in (GdkRectangle *rectangle,
3840 return rectangle->x <= point->x &&
3841 rectangle->y <= point->y &&
3842 point->x < rectangle->x + rectangle->width &&
3843 point->y < rectangle->y + rectangle->height;
3847 compute_new_selection_text (EvView *view,
3851 int n_pages, i, first, last;
3853 EvViewSelection *selection;
3855 int start_page, end_page;
3857 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
3859 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3861 /* First figure out the range of pages the selection
3865 if (view->continuous) {
3868 } else if (view->dual_page) {
3869 start_page = view->start_page;
3870 end_page = view->end_page + 1;
3872 start_page = view->current_page;
3873 end_page = view->current_page + 1;
3876 for (i = start_page; i < end_page; i++) {
3877 GdkRectangle page_area;
3880 get_page_extents (view, i, &page_area, &border);
3881 if (gdk_rectangle_point_in (&page_area, start) ||
3882 gdk_rectangle_point_in (&page_area, stop)) {
3883 if (first == n_pages)
3892 /* Now create a list of EvViewSelection's for the affected
3893 * pages. This could be an empty list, a list of just one
3894 * page or a number of pages.*/
3895 for (i = first; i < last + 1; i++) {
3896 GdkRectangle page_area;
3900 ev_page_cache_get_size (view->page_cache, i,
3902 1.0, &width, &height);
3904 selection = g_new0 (EvViewSelection, 1);
3905 selection->page = i;
3906 selection->rect.x1 = selection->rect.y1 = 0;
3907 selection->rect.x2 = width;
3908 selection->rect.y2 = height;
3910 get_page_extents (view, i, &page_area, &border);
3912 if (gdk_rectangle_point_in (&page_area, start))
3918 view_point_to_doc_point (view, point, &page_area,
3919 &selection->rect.x1,
3920 &selection->rect.y1);
3922 /* If the selection is contained within just one page,
3923 * make sure we don't write 'start' into both points
3924 * in selection->rect. */
3929 view_point_to_doc_point (view, point, &page_area,
3930 &selection->rect.x2,
3931 &selection->rect.y2);
3933 list = g_list_append (list, selection);
3939 /* This function takes the newly calculated list, and figures out which regions
3940 * have changed. It then queues a redraw approporiately.
3943 merge_selection_region (EvView *view,
3947 GList *new_list_ptr, *old_list_ptr;
3949 /* Update the selection */
3950 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
3951 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
3952 view->selection_info.selections = new_list;
3953 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
3954 g_object_notify (G_OBJECT (view), "has-selection");
3956 new_list_ptr = new_list;
3957 old_list_ptr = old_list;
3959 while (new_list_ptr || old_list_ptr) {
3960 EvViewSelection *old_sel, *new_sel;
3962 GdkRegion *region = NULL;
3964 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
3965 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
3967 /* Assume that the lists are in order, and we run through them
3968 * comparing them, one page at a time. We come out with the
3969 * first page we see. */
3970 if (new_sel && old_sel) {
3971 if (new_sel->page < old_sel->page) {
3972 new_list_ptr = new_list_ptr->next;
3974 } else if (new_sel->page > old_sel->page) {
3975 old_list_ptr = old_list_ptr->next;
3978 new_list_ptr = new_list_ptr->next;
3979 old_list_ptr = old_list_ptr->next;
3981 } else if (new_sel) {
3982 new_list_ptr = new_list_ptr->next;
3983 } else if (old_sel) {
3984 old_list_ptr = old_list_ptr->next;
3987 g_assert (new_sel || old_sel);
3989 /* is the page we're looking at on the screen?*/
3990 cur_page = new_sel ? new_sel->page : old_sel->page;
3991 if (cur_page < view->start_page || cur_page > view->end_page)
3994 /* seed the cache with a new page. We are going to need the new
3997 GdkRegion *tmp_region = NULL;
3998 ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
4003 new_sel->covered_region = gdk_region_copy (tmp_region);
4007 /* Now we figure out what needs redrawing */
4008 if (old_sel && new_sel) {
4009 if (old_sel->covered_region &&
4010 new_sel->covered_region) {
4011 /* We only want to redraw the areas that have
4012 * changed, so we xor the old and new regions
4013 * and redraw if it's different */
4014 region = gdk_region_copy (old_sel->covered_region);
4015 gdk_region_xor (region, new_sel->covered_region);
4016 if (gdk_region_empty (region)) {
4017 gdk_region_destroy (region);
4020 } else if (old_sel->covered_region) {
4021 region = gdk_region_copy (old_sel->covered_region);
4022 } else if (new_sel->covered_region) {
4023 region = gdk_region_copy (new_sel->covered_region);
4025 } else if (old_sel && !new_sel) {
4026 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
4027 region = gdk_region_copy (old_sel->covered_region);
4029 } else if (!old_sel && new_sel) {
4030 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
4031 region = gdk_region_copy (new_sel->covered_region);
4034 g_assert_not_reached ();
4037 /* Redraw the damaged region! */
4039 GdkRectangle page_area;
4042 get_page_extents (view, cur_page, &page_area, &border);
4043 gdk_region_offset (region,
4044 page_area.x + border.left - view->scroll_x,
4045 page_area.y + border.top - view->scroll_y);
4046 gdk_window_invalidate_region (GTK_WIDGET (view)->window, region, TRUE);
4047 gdk_region_destroy (region);
4051 /* Free the old list, now that we're done with it. */
4052 g_list_foreach (old_list, (GFunc) selection_free, NULL);
4056 compute_selections (EvView *view,
4062 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
4063 list = compute_new_selection_rect (view, start, stop);
4065 list = compute_new_selection_text (view, start, stop);
4066 merge_selection_region (view, list);
4069 /* Free's the selection. It's up to the caller to queue redraws if needed.
4072 selection_free (EvViewSelection *selection)
4074 if (selection->covered_region)
4075 gdk_region_destroy (selection->covered_region);
4080 clear_selection (EvView *view)
4082 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
4083 view->selection_info.selections = NULL;
4084 view->selection_info.in_selection = FALSE;
4085 g_object_notify (G_OBJECT (view), "has-selection");
4090 ev_view_select_all (EvView *view)
4094 /* Disable selection on rotated pages for the 0.4.0 series */
4095 if (view->rotation != 0)
4098 clear_selection (view);
4100 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4101 for (i = 0; i < n_pages; i++) {
4103 EvViewSelection *selection;
4105 ev_page_cache_get_size (view->page_cache,
4108 1.0, &width, &height);
4110 selection = g_new0 (EvViewSelection, 1);
4111 selection->page = i;
4112 selection->rect.x1 = selection->rect.y1 = 0;
4113 selection->rect.x2 = width;
4114 selection->rect.y2 = height;
4116 view->selection_info.selections = g_list_append (view->selection_info.selections, selection);
4119 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, view->selection_info.selections);
4120 g_object_notify (G_OBJECT (view), "has-selection");
4121 gtk_widget_queue_draw (GTK_WIDGET (view));
4125 ev_view_get_has_selection (EvView *view)
4127 return view->selection_info.selections != NULL;
4131 get_selected_text (EvView *ev_view)
4136 text = g_string_new (NULL);
4138 ev_document_doc_mutex_lock ();
4140 for (l = ev_view->selection_info.selections; l != NULL; l = l->next) {
4141 EvViewSelection *selection = (EvViewSelection *)l->data;
4144 tmp = ev_document_get_text (ev_view->document,
4147 g_string_append (text, tmp);
4151 ev_document_doc_mutex_unlock ();
4153 return g_string_free (text, FALSE);
4157 ev_view_copy (EvView *ev_view)
4159 GtkClipboard *clipboard;
4162 if (!ev_document_can_get_text (ev_view->document)) {
4166 text = get_selected_text (ev_view);
4167 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
4168 GDK_SELECTION_CLIPBOARD);
4169 gtk_clipboard_set_text (clipboard, text, -1);
4174 ev_view_primary_get_cb (GtkClipboard *clipboard,
4175 GtkSelectionData *selection_data,
4179 EvView *ev_view = EV_VIEW (data);
4182 if (!ev_document_can_get_text (ev_view->document)) {
4186 text = get_selected_text (ev_view);
4187 gtk_selection_data_set_text (selection_data, text, -1);
4192 ev_view_primary_clear_cb (GtkClipboard *clipboard,
4195 EvView *view = EV_VIEW (data);
4197 clear_selection (view);
4201 ev_view_update_primary_selection (EvView *ev_view)
4203 GtkClipboard *clipboard;
4205 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
4206 GDK_SELECTION_PRIMARY);
4208 if (ev_view->selection_info.selections) {
4209 if (!gtk_clipboard_set_with_owner (clipboard,
4211 G_N_ELEMENTS (targets),
4212 ev_view_primary_get_cb,
4213 ev_view_primary_clear_cb,
4214 G_OBJECT (ev_view)))
4215 ev_view_primary_clear_cb (clipboard, ev_view);
4217 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
4218 gtk_clipboard_clear (clipboard);
4222 /*** Cursor operations ***/
4225 ev_view_create_invisible_cursor(void)
4228 GdkColor black = { 0, 0, 0, 0 };
4229 static char bits[] = { 0x00 };
4231 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
4233 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
4237 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
4239 GdkCursor *cursor = NULL;
4240 GdkDisplay *display;
4243 if (view->cursor == new_cursor) {
4247 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
4248 display = gtk_widget_get_display (widget);
4249 view->cursor = new_cursor;
4251 switch (new_cursor) {
4252 case EV_VIEW_CURSOR_NORMAL:
4253 gdk_window_set_cursor (widget->window, NULL);
4255 case EV_VIEW_CURSOR_IBEAM:
4256 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
4258 case EV_VIEW_CURSOR_LINK:
4259 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
4261 case EV_VIEW_CURSOR_WAIT:
4262 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
4264 case EV_VIEW_CURSOR_HIDDEN:
4265 cursor = ev_view_create_invisible_cursor ();
4267 case EV_VIEW_CURSOR_DRAG:
4268 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
4273 gdk_window_set_cursor (widget->window, cursor);
4274 gdk_cursor_unref (cursor);
4280 ev_view_hide_cursor (EvView *view)
4282 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
4286 ev_view_show_cursor (EvView *view)
4288 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
4292 ev_view_reset_presentation_state (EvView *view)
4294 if (!view->presentation ||
4295 view->presentation_state == EV_PRESENTATION_NORMAL)
4298 view->presentation_state = EV_PRESENTATION_NORMAL;
4299 gdk_window_set_background (GTK_WIDGET (view)->window,
4300 >K_WIDGET (view)->style->black);
4301 gtk_widget_queue_draw (GTK_WIDGET (view));
4305 ev_view_next_page (EvView *view)
4309 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4311 if (!view->page_cache)
4314 ev_view_reset_presentation_state (view);
4316 page = ev_page_cache_get_current_page (view->page_cache);
4317 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4319 if (view->dual_page && !view->presentation)
4324 if (page < n_pages) {
4325 ev_page_cache_set_current_page (view->page_cache, page);
4327 } else if (view->presentation && page == n_pages) {
4328 view->presentation_state = EV_PRESENTATION_END;
4329 gtk_widget_queue_draw (GTK_WIDGET (view));
4331 } else if (view->dual_page && page == n_pages) {
4332 ev_page_cache_set_current_page (view->page_cache, page - 1);
4340 ev_view_previous_page (EvView *view)
4344 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4346 if (!view->page_cache)
4349 if (view->presentation &&
4350 view->presentation_state == EV_PRESENTATION_END) {
4351 ev_view_reset_presentation_state (view);
4355 ev_view_reset_presentation_state (view);
4357 page = ev_page_cache_get_current_page (view->page_cache);
4359 if (view->dual_page && !view->presentation)
4365 ev_page_cache_set_current_page (view->page_cache, page);
4367 } else if (ev_view_get_dual_page (view) && page == -1) {
4368 ev_page_cache_set_current_page (view->page_cache, 0);
4375 /*** Enum description for usage in signal ***/
4378 ev_sizing_mode_get_type (void)
4380 static GType etype = 0;
4382 static const GEnumValue values[] = {
4383 { EV_SIZING_FIT_WIDTH, "EV_SIZING_FIT_WIDTH", "fit-width" },
4384 { EV_SIZING_BEST_FIT, "EV_SIZING_BEST_FIT", "best-fit" },
4385 { EV_SIZING_FREE, "EV_SIZING_FREE", "free" },
4388 etype = g_enum_register_static ("EvSizingMode", values);
4394 ev_scroll_type_get_type (void)
4396 static GType etype = 0;
4398 static const GEnumValue values[] = {
4399 { EV_SCROLL_PAGE_FORWARD, "EV_SCROLL_PAGE_FORWARD", "scroll-page-forward" },
4400 { EV_SCROLL_PAGE_BACKWARD, "EV_SCROLL_PAGE_BACKWARD", "scroll-page-backward" },
4401 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
4402 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
4403 { EV_SCROLL_STEP_UP, "EV_SCROLL_STEP_UP", "scroll-step-up" },
4404 { EV_SCROLL_STEP_DOWN, "EV_SCROLL_STEP_DOWN", "scroll-step-down" },
4407 etype = g_enum_register_static ("EvScrollType", values);