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)
2188 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
2191 current = view->presentation_state;
2193 switch (event->keyval) {
2196 view->presentation_state =
2197 (view->presentation_state == EV_PRESENTATION_BLACK) ?
2198 EV_PRESENTATION_NORMAL : EV_PRESENTATION_BLACK;
2202 view->presentation_state =
2203 (view->presentation_state == EV_PRESENTATION_WHITE) ?
2204 EV_PRESENTATION_NORMAL : EV_PRESENTATION_WHITE;
2207 if (view->presentation_state == EV_PRESENTATION_BLACK ||
2208 view->presentation_state == EV_PRESENTATION_WHITE) {
2209 view->presentation_state = EV_PRESENTATION_NORMAL;
2213 if (current == view->presentation_state)
2214 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
2216 switch (view->presentation_state) {
2217 case EV_PRESENTATION_NORMAL:
2218 case EV_PRESENTATION_BLACK:
2219 gdk_window_set_background (widget->window,
2220 &widget->style->black);
2222 case EV_PRESENTATION_WHITE:
2223 gdk_window_set_background (widget->window,
2224 &widget->style->white);
2227 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
2230 gtk_widget_queue_draw (widget);
2235 ev_view_focus_in (GtkWidget *widget,
2236 GdkEventFocus *event)
2238 if (EV_VIEW (widget)->pixbuf_cache)
2239 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
2240 gtk_widget_queue_draw (widget);
2246 ev_view_focus_out (GtkWidget *widget,
2247 GdkEventFocus *event)
2249 if (EV_VIEW (widget)->pixbuf_cache)
2250 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
2251 gtk_widget_queue_draw (widget);
2257 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
2259 EvView *view = EV_VIEW (widget);
2261 ev_view_set_status (view, NULL);
2263 if (view->cursor == EV_VIEW_CURSOR_LINK ||
2264 view->cursor == EV_VIEW_CURSOR_IBEAM)
2265 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
2267 if (view->link_tooltip) {
2268 view->hovered_link = NULL;
2269 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
2276 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
2278 EvView *view = EV_VIEW (widget);
2280 handle_link_over_xy (view, event->x, event->y);
2286 ev_view_style_set (GtkWidget *widget,
2287 GtkStyle *old_style)
2289 if (EV_VIEW (widget)->pixbuf_cache)
2290 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
2292 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
2298 ev_gdk_color_to_rgb (const GdkColor *color)
2301 result = (0xff0000 | (color->red & 0xff00));
2303 result |= ((color->green & 0xff00) | (color->blue >> 8));
2308 draw_rubberband (GtkWidget *widget, GdkWindow *window,
2309 const GdkRectangle *rect, guchar alpha)
2313 GdkColor *fill_color_gdk;
2316 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
2317 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
2319 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
2320 rect->width, rect->height);
2321 gdk_pixbuf_fill (pixbuf, fill_color);
2323 gdk_draw_pixbuf (window, NULL, pixbuf,
2325 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
2326 rect->width, rect->height,
2327 GDK_RGB_DITHER_NONE,
2330 g_object_unref (pixbuf);
2332 gc = gdk_gc_new (window);
2333 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
2334 gdk_draw_rectangle (window, gc, FALSE,
2335 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
2338 g_object_unref (gc);
2340 gdk_color_free (fill_color_gdk);
2345 highlight_find_results (EvView *view, int page)
2347 EvDocumentFind *find;
2350 g_return_if_fail (EV_IS_DOCUMENT_FIND (view->document));
2352 find = EV_DOCUMENT_FIND (view->document);
2354 results = ev_document_find_get_n_results (find, page);
2356 for (i = 0; i < results; i++) {
2357 EvRectangle rectangle;
2358 GdkRectangle view_rectangle;
2361 if (i == view->find_result && page == view->current_page) {
2367 ev_document_find_get_result (find, page, i, &rectangle);
2368 doc_rect_to_view_rect (view, page, &rectangle, &view_rectangle);
2369 draw_rubberband (GTK_WIDGET (view), GTK_WIDGET(view)->window,
2370 &view_rectangle, alpha);
2375 draw_loading_text (EvView *view,
2376 GdkRectangle *page_area,
2377 GdkRectangle *expose_area)
2379 PangoLayout *layout;
2380 PangoFontDescription *font_desc;
2381 PangoRectangle logical_rect;
2385 /* Don't annoy users with loading messages during presentations.
2386 * FIXME: Temporary "workaround" for
2387 * http://bugzilla.gnome.org/show_bug.cgi?id=320352 */
2388 if (view->presentation)
2391 const char *loading_text = _("Loading...");
2393 ev_document_doc_mutex_lock ();
2395 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
2397 font_desc = pango_font_description_new ();
2400 /* We set the font to be 10 points, get the size, and scale appropriately */
2401 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
2402 pango_layout_set_font_description (layout, font_desc);
2403 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2405 /* Make sure we fit the middle of the page */
2406 target_width = MAX (page_area->width / 2, 1);
2407 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
2408 pango_font_description_set_size (font_desc, (int)real_scale);
2409 pango_layout_set_font_description (layout, font_desc);
2410 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2412 gtk_paint_layout (GTK_WIDGET (view)->style,
2413 GTK_WIDGET (view)->window,
2414 GTK_WIDGET_STATE (view),
2419 page_area->x + (target_width/2),
2420 page_area->y + (page_area->height - logical_rect.height) / 2,
2423 pango_font_description_free (font_desc);
2424 g_object_unref (layout);
2426 ev_document_doc_mutex_unlock ();
2430 draw_one_page (EvView *view,
2432 GdkRectangle *page_area,
2434 GdkRectangle *expose_area,
2435 gboolean *page_ready)
2438 GdkPixbuf *current_pixbuf;
2439 GdkRectangle overlap;
2440 GdkRectangle real_page_area;
2441 EvViewSelection *selection;
2444 g_assert (view->document);
2446 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
2449 current_page = ev_page_cache_get_current_page (view->page_cache);
2450 selection = find_selection_for_page (view, page);
2451 ev_page_cache_get_size (view->page_cache,
2452 page, view->rotation,
2455 /* Render the document itself */
2456 real_page_area = *page_area;
2458 real_page_area.x += border->left;
2459 real_page_area.y += border->top;
2460 real_page_area.width -= (border->left + border->right);
2461 real_page_area.height -= (border->top + border->bottom);
2464 ev_document_misc_paint_one_page (GTK_WIDGET(view)->window,
2467 page == current_page);
2469 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
2470 GdkPixbuf *selection_pixbuf = NULL;
2471 GdkPixbuf *scaled_image;
2472 GdkPixbuf *scaled_selection;
2474 current_pixbuf = ev_pixbuf_cache_get_pixbuf (view->pixbuf_cache, page);
2476 /* Get the selection pixbuf iff we have something to draw */
2477 if (current_pixbuf && view->selection_mode == EV_VIEW_SELECTION_TEXT && selection)
2478 selection_pixbuf = ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
2483 if (current_pixbuf == NULL)
2484 scaled_image = NULL;
2485 else if (width == gdk_pixbuf_get_width (current_pixbuf) &&
2486 height == gdk_pixbuf_get_height (current_pixbuf))
2487 scaled_image = g_object_ref (current_pixbuf);
2489 /* FIXME: We don't want to scale the whole area, just the right
2491 scaled_image = gdk_pixbuf_scale_simple (current_pixbuf,
2493 GDK_INTERP_NEAREST);
2495 if (selection_pixbuf == NULL)
2496 scaled_selection = NULL;
2497 else if (width == gdk_pixbuf_get_width (selection_pixbuf) &&
2498 height == gdk_pixbuf_get_height (selection_pixbuf))
2499 scaled_selection = g_object_ref (selection_pixbuf);
2501 /* FIXME: We don't want to scale the whole area, just the right
2503 scaled_selection = gdk_pixbuf_scale_simple (selection_pixbuf,
2505 GDK_INTERP_NEAREST);
2508 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2509 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2511 overlap.x - real_page_area.x,
2512 overlap.y - real_page_area.y,
2513 overlap.x, overlap.y,
2514 overlap.width, overlap.height,
2515 GDK_RGB_DITHER_NORMAL,
2517 g_object_unref (scaled_image);
2519 draw_loading_text (view,
2522 *page_ready = FALSE;
2525 if (scaled_selection) {
2526 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2527 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2529 overlap.x - real_page_area.x,
2530 overlap.y - real_page_area.y,
2531 overlap.x, overlap.y,
2532 overlap.width, overlap.height,
2533 GDK_RGB_DITHER_NORMAL,
2535 g_object_unref (scaled_selection);
2540 /*** GObject functions ***/
2543 ev_view_finalize (GObject *object)
2545 EvView *view = EV_VIEW (object);
2549 g_free (view->status);
2550 g_free (view->find_status);
2552 clear_selection (view);
2554 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
2558 ev_view_destroy (GtkObject *object)
2560 EvView *view = EV_VIEW (object);
2562 if (view->document) {
2563 g_object_unref (view->document);
2564 view->document = NULL;
2567 if (view->pixbuf_cache) {
2568 g_object_unref (view->pixbuf_cache);
2569 view->pixbuf_cache = NULL;
2572 if (view->link_tooltip) {
2573 gtk_widget_destroy (view->link_tooltip);
2574 view->link_tooltip = NULL;
2577 if (view->selection_scroll_id) {
2578 g_source_remove (view->selection_scroll_id);
2579 view->selection_scroll_id = 0;
2582 if (view->selection_update_id) {
2583 g_source_remove (view->selection_update_id);
2584 view->selection_update_id = 0;
2587 ev_view_set_scroll_adjustments (view, NULL, NULL);
2589 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
2593 ev_view_set_property (GObject *object,
2595 const GValue *value,
2598 EvView *view = EV_VIEW (object);
2601 case PROP_CONTINUOUS:
2602 ev_view_set_continuous (view, g_value_get_boolean (value));
2604 case PROP_DUAL_PAGE:
2605 ev_view_set_dual_page (view, g_value_get_boolean (value));
2607 case PROP_FULLSCREEN:
2608 ev_view_set_fullscreen (view, g_value_get_boolean (value));
2610 case PROP_PRESENTATION:
2611 ev_view_set_presentation (view, g_value_get_boolean (value));
2613 case PROP_SIZING_MODE:
2614 ev_view_set_sizing_mode (view, g_value_get_enum (value));
2617 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
2620 ev_view_set_rotation (view, g_value_get_int (value));
2623 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2628 ev_view_get_accessible (GtkWidget *widget)
2630 static gboolean first_time = TRUE;
2633 AtkObjectFactory *factory;
2634 AtkRegistry *registry;
2636 GType derived_atk_type;
2639 * Figure out whether accessibility is enabled by looking at the
2640 * type of the accessible object which would be created for
2641 * the parent type of EvView.
2643 derived_type = g_type_parent (EV_TYPE_VIEW);
2645 registry = atk_get_default_registry ();
2646 factory = atk_registry_get_factory (registry,
2648 derived_atk_type = atk_object_factory_get_accessible_type (factory);
2649 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
2650 atk_registry_set_factory_type (registry,
2652 ev_view_accessible_factory_get_type ());
2655 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
2659 ev_view_get_property (GObject *object,
2664 EvView *view = EV_VIEW (object);
2668 g_value_set_string (value, view->status);
2670 case PROP_FIND_STATUS:
2671 g_value_set_string (value, view->status);
2673 case PROP_CONTINUOUS:
2674 g_value_set_boolean (value, view->continuous);
2676 case PROP_DUAL_PAGE:
2677 g_value_set_boolean (value, view->dual_page);
2679 case PROP_FULLSCREEN:
2680 g_value_set_boolean (value, view->fullscreen);
2682 case PROP_PRESENTATION:
2683 g_value_set_boolean (value, view->presentation);
2685 case PROP_SIZING_MODE:
2686 g_value_set_enum (value, view->sizing_mode);
2689 g_value_set_double (value, view->scale);
2692 g_value_set_int (value, view->rotation);
2694 case PROP_HAS_SELECTION:
2695 g_value_set_boolean (value,
2696 view->selection_info.selections != NULL);
2699 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2704 ev_view_class_init (EvViewClass *class)
2706 GObjectClass *object_class = G_OBJECT_CLASS (class);
2707 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
2708 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
2709 GtkBindingSet *binding_set;
2711 object_class->finalize = ev_view_finalize;
2712 object_class->set_property = ev_view_set_property;
2713 object_class->get_property = ev_view_get_property;
2715 widget_class->expose_event = ev_view_expose_event;
2716 widget_class->button_press_event = ev_view_button_press_event;
2717 widget_class->motion_notify_event = ev_view_motion_notify_event;
2718 widget_class->button_release_event = ev_view_button_release_event;
2719 widget_class->key_press_event = ev_view_key_press_event;
2720 widget_class->focus_in_event = ev_view_focus_in;
2721 widget_class->focus_out_event = ev_view_focus_out;
2722 widget_class->get_accessible = ev_view_get_accessible;
2723 widget_class->size_request = ev_view_size_request;
2724 widget_class->size_allocate = ev_view_size_allocate;
2725 widget_class->realize = ev_view_realize;
2726 widget_class->scroll_event = ev_view_scroll_event;
2727 widget_class->enter_notify_event = ev_view_enter_notify_event;
2728 widget_class->leave_notify_event = ev_view_leave_notify_event;
2729 widget_class->style_set = ev_view_style_set;
2730 widget_class->drag_data_get = ev_view_drag_data_get;
2731 widget_class->popup_menu = ev_view_popup_menu;
2732 gtk_object_class->destroy = ev_view_destroy;
2734 class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
2735 class->binding_activated = ev_view_scroll;
2737 widget_class->set_scroll_adjustments_signal =
2738 g_signal_new ("set-scroll-adjustments",
2739 G_OBJECT_CLASS_TYPE (object_class),
2740 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2741 G_STRUCT_OFFSET (EvViewClass, set_scroll_adjustments),
2743 ev_marshal_VOID__OBJECT_OBJECT,
2745 GTK_TYPE_ADJUSTMENT,
2746 GTK_TYPE_ADJUSTMENT);
2748 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
2749 G_TYPE_FROM_CLASS (object_class),
2750 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2751 G_STRUCT_OFFSET (EvViewClass, binding_activated),
2753 ev_marshal_VOID__ENUM_BOOLEAN,
2755 GTK_TYPE_SCROLL_TYPE,
2758 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
2759 G_TYPE_FROM_CLASS (object_class),
2760 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2761 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
2763 ev_marshal_VOID__VOID,
2764 G_TYPE_NONE, 0, G_TYPE_NONE);
2765 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
2766 G_TYPE_FROM_CLASS (object_class),
2767 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2768 G_STRUCT_OFFSET (EvViewClass, external_link),
2770 g_cclosure_marshal_VOID__OBJECT,
2773 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
2774 G_TYPE_FROM_CLASS (object_class),
2775 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2776 G_STRUCT_OFFSET (EvViewClass, popup_menu),
2778 g_cclosure_marshal_VOID__OBJECT,
2782 g_object_class_install_property (object_class,
2784 g_param_spec_string ("status",
2786 "The status message",
2790 g_object_class_install_property (object_class,
2792 g_param_spec_string ("find-status",
2793 "Find Status Message",
2794 "The find status message",
2798 g_object_class_install_property (object_class,
2800 g_param_spec_boolean ("continuous",
2802 "Continuous scrolling mode",
2804 G_PARAM_READWRITE));
2806 g_object_class_install_property (object_class,
2808 g_param_spec_boolean ("dual-page",
2810 "Two pages visible at once",
2812 G_PARAM_READWRITE));
2813 g_object_class_install_property (object_class,
2815 g_param_spec_boolean ("fullscreen",
2817 "Draw page in a fullscreen fashion",
2819 G_PARAM_READWRITE));
2820 g_object_class_install_property (object_class,
2822 g_param_spec_boolean ("presentation",
2824 "Draw page in presentation mode",
2826 G_PARAM_READWRITE));
2828 g_object_class_install_property (object_class,
2830 g_param_spec_enum ("sizing-mode",
2833 EV_TYPE_SIZING_MODE,
2834 EV_SIZING_FIT_WIDTH,
2835 G_PARAM_READWRITE));
2837 g_object_class_install_property (object_class,
2839 g_param_spec_double ("zoom",
2845 G_PARAM_READWRITE));
2846 g_object_class_install_property (object_class,
2848 g_param_spec_double ("rotation",
2854 G_PARAM_READWRITE));
2855 g_object_class_install_property (object_class,
2857 g_param_spec_boolean ("has-selection",
2859 "The view has selections",
2863 binding_set = gtk_binding_set_by_class (class);
2865 add_scroll_binding_keypad (binding_set, GDK_Left, 0, EV_SCROLL_STEP_BACKWARD, TRUE);
2866 add_scroll_binding_keypad (binding_set, GDK_Right, 0, EV_SCROLL_STEP_FORWARD, TRUE);
2867 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, TRUE);
2868 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, TRUE);
2869 add_scroll_binding_keypad (binding_set, GDK_Up, 0, EV_SCROLL_STEP_BACKWARD, FALSE);
2870 add_scroll_binding_keypad (binding_set, GDK_Down, 0, EV_SCROLL_STEP_FORWARD, FALSE);
2871 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, FALSE);
2872 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, FALSE);
2876 ev_view_init (EvView *view)
2878 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
2882 view->current_page = 0;
2883 view->pressed_button = -1;
2884 view->cursor = EV_VIEW_CURSOR_NORMAL;
2885 view->drag_info.in_drag = FALSE;
2886 view->selection_info.selections = NULL;
2887 view->selection_info.in_selection = FALSE;
2888 view->selection_info.in_drag = FALSE;
2889 view->selection_mode = EV_VIEW_SELECTION_TEXT;
2890 view->continuous = TRUE;
2891 view->dual_page = FALSE;
2892 view->presentation = FALSE;
2893 view->presentation_state = EV_PRESENTATION_NORMAL;
2894 view->fullscreen = FALSE;
2895 view->sizing_mode = EV_SIZING_FIT_WIDTH;
2896 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2897 view->jump_to_find_result = TRUE;
2903 find_changed_cb (EvDocument *document, int page, EvView *view)
2908 percent = ev_document_find_get_progress
2909 (EV_DOCUMENT_FIND (view->document));
2910 n_pages = ev_page_cache_get_n_pages (view->page_cache);
2912 if (view->jump_to_find_result == TRUE) {
2913 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
2914 jump_to_find_result (view);
2916 update_find_status_message (view, percent * n_pages >= n_pages - 1 );
2917 if (view->current_page == page)
2918 gtk_widget_queue_draw (GTK_WIDGET (view));
2922 job_finished_cb (EvPixbufCache *pixbuf_cache,
2925 gtk_widget_queue_draw (GTK_WIDGET (view));
2929 page_changed_cb (EvPageCache *page_cache,
2933 if (view->current_page != new_page) {
2934 view->current_page = new_page;
2935 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2936 gtk_widget_queue_resize (GTK_WIDGET (view));
2938 gtk_widget_queue_draw (GTK_WIDGET (view));
2941 if (EV_IS_DOCUMENT_FIND (view->document)) {
2942 view->find_result = 0;
2943 update_find_status_message (view, TRUE);
2947 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
2952 if (! GTK_WIDGET_REALIZED (view))
2955 if (view->hadjustment) {
2956 dx = view->scroll_x - (int) view->hadjustment->value;
2957 view->scroll_x = (int) view->hadjustment->value;
2962 if (view->vadjustment) {
2963 dy = view->scroll_y - (int) view->vadjustment->value;
2964 view->scroll_y = (int) view->vadjustment->value;
2970 if (view->pending_resize)
2971 gtk_widget_queue_draw (GTK_WIDGET (view));
2973 gdk_window_scroll (GTK_WIDGET (view)->window, dx, dy);
2977 view_update_range_and_current_page (view);
2985 view = g_object_new (EV_TYPE_VIEW, NULL);
2991 setup_caches (EvView *view)
2993 view->page_cache = ev_page_cache_get (view->document);
2994 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
2995 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
2996 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
3000 clear_caches (EvView *view)
3002 if (view->pixbuf_cache) {
3003 g_object_unref (view->pixbuf_cache);
3004 view->pixbuf_cache = NULL;
3007 if (view->page_cache) {
3008 view->page_cache = NULL;
3013 ev_view_set_loading (EvView *view,
3016 view->loading = loading;
3017 gtk_widget_queue_draw (GTK_WIDGET (view));
3021 ev_view_set_document (EvView *view,
3022 EvDocument *document)
3024 g_return_if_fail (EV_IS_VIEW (view));
3026 view->loading = FALSE;
3028 if (document != view->document) {
3029 clear_caches (view);
3031 if (view->document) {
3032 g_signal_handlers_disconnect_by_func (view->document,
3035 g_object_unref (view->document);
3036 view->page_cache = NULL;
3040 view->document = document;
3041 view->find_result = 0;
3043 if (view->document) {
3044 g_object_ref (view->document);
3045 if (EV_IS_DOCUMENT_FIND (view->document)) {
3046 g_signal_connect (view->document,
3048 G_CALLBACK (find_changed_cb),
3052 setup_caches (view);
3055 gtk_widget_queue_resize (GTK_WIDGET (view));
3059 /*** Zoom and sizing mode ***/
3061 #define EPSILON 0.0000001
3063 ev_view_set_zoom (EvView *view,
3070 scale = view->scale * factor;
3074 scale = CLAMP (scale, MIN_SCALE, MAX_SCALE);
3076 if (ABS (view->scale - scale) < EPSILON)
3079 view->scale = scale;
3080 view->pending_resize = TRUE;
3082 gtk_widget_queue_resize (GTK_WIDGET (view));
3084 g_object_notify (G_OBJECT (view), "zoom");
3088 ev_view_get_zoom (EvView *view)
3094 ev_view_get_continuous (EvView *view)
3096 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3098 return view->continuous;
3102 ev_view_set_continuous (EvView *view,
3103 gboolean continuous)
3105 g_return_if_fail (EV_IS_VIEW (view));
3107 continuous = continuous != FALSE;
3109 if (view->continuous != continuous) {
3110 view->continuous = continuous;
3111 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
3112 gtk_widget_queue_resize (GTK_WIDGET (view));
3115 g_object_notify (G_OBJECT (view), "continuous");
3119 ev_view_get_dual_page (EvView *view)
3121 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3123 return view->dual_page;
3127 ev_view_set_dual_page (EvView *view,
3130 g_return_if_fail (EV_IS_VIEW (view));
3132 dual_page = dual_page != FALSE;
3134 if (view->dual_page == dual_page)
3137 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
3138 view->dual_page = dual_page;
3139 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
3140 * preload_cache_size to be 2 if dual_page is set.
3142 gtk_widget_queue_resize (GTK_WIDGET (view));
3144 g_object_notify (G_OBJECT (view), "dual-page");
3148 ev_view_set_fullscreen (EvView *view,
3149 gboolean fullscreen)
3151 g_return_if_fail (EV_IS_VIEW (view));
3153 fullscreen = fullscreen != FALSE;
3155 if (view->fullscreen == fullscreen)
3158 view->fullscreen = fullscreen;
3159 gtk_widget_queue_resize (GTK_WIDGET (view));
3161 g_object_notify (G_OBJECT (view), "fullscreen");
3165 ev_view_get_fullscreen (EvView *view)
3167 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3169 return view->fullscreen;
3173 ev_view_set_presentation (EvView *view,
3174 gboolean presentation)
3176 g_return_if_fail (EV_IS_VIEW (view));
3178 presentation = presentation != FALSE;
3180 if (view->presentation == presentation)
3184 view->presentation_state = EV_PRESENTATION_NORMAL;
3186 view->presentation = presentation;
3187 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
3188 gtk_widget_queue_resize (GTK_WIDGET (view));
3190 if (GTK_WIDGET_REALIZED (view)) {
3191 if (view->presentation)
3192 gdk_window_set_background (GTK_WIDGET(view)->window,
3193 >K_WIDGET (view)->style->black);
3195 gdk_window_set_background (GTK_WIDGET(view)->window,
3196 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
3199 g_object_notify (G_OBJECT (view), "presentation");
3203 ev_view_get_presentation (EvView *view)
3205 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3207 return view->presentation;
3211 ev_view_set_sizing_mode (EvView *view,
3212 EvSizingMode sizing_mode)
3214 g_return_if_fail (EV_IS_VIEW (view));
3216 if (view->sizing_mode == sizing_mode)
3219 view->sizing_mode = sizing_mode;
3220 gtk_widget_queue_resize (GTK_WIDGET (view));
3222 g_object_notify (G_OBJECT (view), "sizing-mode");
3226 ev_view_get_sizing_mode (EvView *view)
3228 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
3230 return view->sizing_mode;
3234 ev_view_can_zoom_in (EvView *view)
3236 return view->scale * ZOOM_IN_FACTOR <= MAX_SCALE;
3240 ev_view_can_zoom_out (EvView *view)
3242 return view->scale * ZOOM_OUT_FACTOR >= MIN_SCALE;
3246 ev_view_zoom_in (EvView *view)
3248 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
3250 view->pending_scroll = SCROLL_TO_CENTER;
3251 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
3255 ev_view_zoom_out (EvView *view)
3257 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
3259 view->pending_scroll = SCROLL_TO_CENTER;
3260 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
3264 ev_view_rotate_right (EvView *view)
3266 int rotation = view->rotation + 90;
3268 if (rotation >= 360) {
3272 ev_view_set_rotation (view, rotation);
3276 ev_view_rotate_left (EvView *view)
3278 int rotation = view->rotation - 90;
3284 ev_view_set_rotation (view, rotation);
3288 ev_view_set_rotation (EvView *view, int rotation)
3290 view->rotation = rotation;
3292 if (view->pixbuf_cache) {
3293 ev_pixbuf_cache_clear (view->pixbuf_cache);
3294 gtk_widget_queue_resize (GTK_WIDGET (view));
3298 clear_selection (view);
3300 g_object_notify (G_OBJECT (view), "rotation");
3304 ev_view_get_rotation (EvView *view)
3306 return view->rotation;
3310 zoom_for_size_fit_width (int doc_width,
3318 scale = (double)target_width / doc_width;
3320 if (doc_height * scale > target_height)
3321 scale = (double) (target_width - vsb_width) / doc_width;
3327 zoom_for_size_fit_height (int doc_width,
3335 scale = (double)target_height / doc_height;
3337 if (doc_width * scale > target_width)
3338 scale = (double) (target_height - vsb_height) / doc_height;
3344 zoom_for_size_best_fit (int doc_width,
3354 w_scale = (double)target_width / doc_width;
3355 h_scale = (double)target_height / doc_height;
3357 if (doc_height * w_scale > target_height)
3358 w_scale = (double) (target_width - vsb_width) / doc_width;
3359 if (doc_width * h_scale > target_width)
3360 h_scale = (double) (target_height - hsb_width) / doc_height;
3362 return MIN (w_scale, h_scale);
3367 ev_view_zoom_for_size_presentation (EvView *view,
3371 int doc_width, doc_height;
3374 ev_page_cache_get_size (view->page_cache,
3380 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
3381 ev_view_set_zoom (view, scale, FALSE);
3385 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
3391 int doc_width, doc_height;
3395 ev_page_cache_get_max_width (view->page_cache,
3399 ev_page_cache_get_max_height (view->page_cache,
3403 compute_border (view, doc_width, doc_height, &border);
3405 doc_width = doc_width * 2;
3406 width -= (2 * (border.left + border.right) + 3 * view->spacing);
3407 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3409 /* FIXME: We really need to calculate the overall height here, not the
3410 * page height. We assume there's always a vertical scrollbar for
3411 * now. We need to fix this. */
3412 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3413 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3414 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3415 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3417 g_assert_not_reached ();
3419 ev_view_set_zoom (view, scale, FALSE);
3423 ev_view_zoom_for_size_continuous (EvView *view,
3429 int doc_width, doc_height;
3433 ev_page_cache_get_max_width (view->page_cache,
3437 ev_page_cache_get_max_height (view->page_cache,
3441 compute_border (view, doc_width, doc_height, &border);
3443 width -= (border.left + border.right + 2 * view->spacing);
3444 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3446 /* FIXME: We really need to calculate the overall height here, not the
3447 * page height. We assume there's always a vertical scrollbar for
3448 * now. We need to fix this. */
3449 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3450 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3451 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3452 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3454 g_assert_not_reached ();
3456 ev_view_set_zoom (view, scale, FALSE);
3460 ev_view_zoom_for_size_dual_page (EvView *view,
3467 gint doc_width, doc_height;
3471 other_page = view->current_page ^ 1;
3473 /* Find the largest of the two. */
3474 ev_page_cache_get_size (view->page_cache,
3478 &doc_width, &doc_height);
3480 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
3481 gint width_2, height_2;
3482 ev_page_cache_get_size (view->page_cache,
3486 &width_2, &height_2);
3487 if (width_2 > doc_width)
3488 doc_width = width_2;
3489 if (height_2 > doc_height)
3490 doc_height = height_2;
3492 compute_border (view, doc_width, doc_height, &border);
3494 doc_width = doc_width * 2;
3495 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
3496 height -= (border.top + border.bottom + 2 * view->spacing);
3498 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3499 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3500 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3501 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3503 g_assert_not_reached ();
3505 ev_view_set_zoom (view, scale, FALSE);
3509 ev_view_zoom_for_size_single_page (EvView *view,
3515 int doc_width, doc_height;
3519 ev_page_cache_get_size (view->page_cache,
3525 /* Get an approximate border */
3526 compute_border (view, width, height, &border);
3528 width -= (border.left + border.right + 2 * view->spacing);
3529 height -= (border.top + border.bottom + 2 * view->spacing);
3531 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3532 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3533 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3534 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3536 g_assert_not_reached ();
3538 ev_view_set_zoom (view, scale, FALSE);
3542 ev_view_set_zoom_for_size (EvView *view,
3548 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
3549 view->sizing_mode == EV_SIZING_BEST_FIT);
3550 g_return_if_fail (width >= 0);
3551 g_return_if_fail (height >= 0);
3553 if (view->document == NULL)
3556 if (view->presentation)
3557 ev_view_zoom_for_size_presentation (view, width, height);
3558 else if (view->continuous && view->dual_page)
3559 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
3560 else if (view->continuous)
3561 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
3562 else if (view->dual_page)
3563 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
3565 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
3568 /*** Status text messages ***/
3571 ev_view_get_status (EvView *view)
3573 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3575 return view->status;
3579 ev_view_set_status (EvView *view, const char *message)
3581 g_return_if_fail (EV_IS_VIEW (view));
3583 if (message != view->status) {
3584 g_free (view->status);
3585 view->status = g_strdup (message);
3586 g_object_notify (G_OBJECT (view), "status");
3591 update_find_status_message (EvView *view, gboolean this_page)
3598 results = ev_document_find_get_n_results
3599 (EV_DOCUMENT_FIND (view->document),
3600 view->current_page);
3601 /* TRANS: Sometimes this could be better translated as
3602 "%d hit(s) on this page". Therefore this string
3603 contains plural cases. */
3604 message = g_strdup_printf (ngettext ("%d found on this page",
3605 "%d found on this page",
3611 percent = ev_document_find_get_progress
3612 (EV_DOCUMENT_FIND (view->document));
3613 message = g_strdup_printf (_("%3d%% remaining to search"),
3614 (int) ((1.0 - percent) * 100));
3617 ev_view_set_find_status (view, message);
3622 ev_view_get_find_status (EvView *view)
3624 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3626 return view->find_status;
3630 ev_view_set_find_status (EvView *view, const char *message)
3632 g_return_if_fail (EV_IS_VIEW (view));
3634 g_free (view->find_status);
3635 view->find_status = g_strdup (message);
3636 g_object_notify (G_OBJECT (view), "find-status");
3642 jump_to_find_result (EvView *view)
3644 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3646 GdkRectangle view_rect;
3648 int page = view->current_page;
3650 n_results = ev_document_find_get_n_results (find, page);
3652 if (n_results > 0 && view->find_result < n_results) {
3653 ev_document_find_get_result
3654 (find, page, view->find_result, &rect);
3656 doc_rect_to_view_rect (view, page, &rect, &view_rect);
3657 ensure_rectangle_is_visible (view, &view_rect);
3663 * @view: #EvView instance
3664 * @direction: Direction to look
3665 * @shift: Shift from current page
3667 * Jumps to the first page that has occurences of searched word.
3668 * Uses a direction where to look and a shift from current page.
3672 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
3676 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3678 for (i = 0; i < n_pages; i++) {
3682 if (direction == EV_VIEW_FIND_NEXT)
3683 page = view->current_page + i;
3685 page = view->current_page - i;
3688 if (page >= n_pages) {
3689 page = page - n_pages;
3692 page = page + n_pages;
3694 has_results = ev_document_find_page_has_results
3695 (EV_DOCUMENT_FIND (view->document), page);
3696 if (has_results == -1) {
3698 } else if (has_results == 1) {
3699 ev_page_cache_set_current_page (view->page_cache, page);
3706 ev_view_can_find_next (EvView *view)
3708 if (EV_IS_DOCUMENT_FIND (view->document)) {
3709 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3712 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3713 for (i = 0; i < n_pages; i++) {
3714 if (ev_document_find_get_n_results (find, i) > 0) {
3724 ev_view_find_next (EvView *view)
3726 int n_results, n_pages;
3727 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3729 n_results = ev_document_find_get_n_results (find, view->current_page);
3731 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3733 view->find_result++;
3735 if (view->find_result >= n_results) {
3737 view->find_result = 0;
3738 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
3739 jump_to_find_result (view);
3741 jump_to_find_result (view);
3742 gtk_widget_queue_draw (GTK_WIDGET (view));
3747 ev_view_can_find_previous (EvView *view)
3749 if (EV_IS_DOCUMENT_FIND (view->document)) {
3750 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3753 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3754 for (i = n_pages - 1; i >= 0; i--) {
3755 if (ev_document_find_get_n_results (find, i) > 0) {
3764 ev_view_find_previous (EvView *view)
3766 int n_results, n_pages;
3767 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3768 EvPageCache *page_cache;
3770 page_cache = ev_page_cache_get (view->document);
3772 n_results = ev_document_find_get_n_results (find, view->current_page);
3774 n_pages = ev_page_cache_get_n_pages (page_cache);
3776 view->find_result--;
3778 if (view->find_result < 0) {
3780 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
3781 view->find_result = ev_document_find_get_n_results (find, view->current_page) - 1;
3782 jump_to_find_result (view);
3784 jump_to_find_result (view);
3785 gtk_widget_queue_draw (GTK_WIDGET (view));
3789 void ev_view_search_changed (EvView *view)
3791 /* search string has changed, focus on new search result */
3792 view->jump_to_find_result = TRUE;
3795 /*** Selections ***/
3797 /* compute_new_selection_rect/text calculates the area currently selected by
3798 * view_rect. each handles a different mode;
3801 compute_new_selection_rect (EvView *view,
3805 GdkRectangle view_rect;
3809 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
3811 view_rect.x = MIN (start->x, stop->x);
3812 view_rect.y = MIN (start->y, stop->y);
3813 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
3814 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
3816 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3818 for (i = 0; i < n_pages; i++) {
3819 GdkRectangle page_area;
3822 if (get_page_extents (view, i, &page_area, &border)) {
3823 GdkRectangle overlap;
3825 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
3826 EvViewSelection *selection;
3828 selection = g_new0 (EvViewSelection, 1);
3829 selection->page = i;
3830 view_rect_to_doc_rect (view, &overlap, &page_area,
3831 &(selection->rect));
3833 list = g_list_append (list, selection);
3842 gdk_rectangle_point_in (GdkRectangle *rectangle,
3845 return rectangle->x <= point->x &&
3846 rectangle->y <= point->y &&
3847 point->x < rectangle->x + rectangle->width &&
3848 point->y < rectangle->y + rectangle->height;
3852 compute_new_selection_text (EvView *view,
3856 int n_pages, i, first, last;
3858 EvViewSelection *selection;
3860 int start_page, end_page;
3862 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
3864 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3866 /* First figure out the range of pages the selection
3870 if (view->continuous) {
3873 } else if (view->dual_page) {
3874 start_page = view->start_page;
3875 end_page = view->end_page + 1;
3877 start_page = view->current_page;
3878 end_page = view->current_page + 1;
3881 for (i = start_page; i < end_page; i++) {
3882 GdkRectangle page_area;
3885 get_page_extents (view, i, &page_area, &border);
3886 if (gdk_rectangle_point_in (&page_area, start) ||
3887 gdk_rectangle_point_in (&page_area, stop)) {
3888 if (first == n_pages)
3897 /* Now create a list of EvViewSelection's for the affected
3898 * pages. This could be an empty list, a list of just one
3899 * page or a number of pages.*/
3900 for (i = first; i < last + 1; i++) {
3901 GdkRectangle page_area;
3905 ev_page_cache_get_size (view->page_cache, i,
3907 1.0, &width, &height);
3909 selection = g_new0 (EvViewSelection, 1);
3910 selection->page = i;
3911 selection->rect.x1 = selection->rect.y1 = 0;
3912 selection->rect.x2 = width;
3913 selection->rect.y2 = height;
3915 get_page_extents (view, i, &page_area, &border);
3917 if (gdk_rectangle_point_in (&page_area, start))
3923 view_point_to_doc_point (view, point, &page_area,
3924 &selection->rect.x1,
3925 &selection->rect.y1);
3927 /* If the selection is contained within just one page,
3928 * make sure we don't write 'start' into both points
3929 * in selection->rect. */
3934 view_point_to_doc_point (view, point, &page_area,
3935 &selection->rect.x2,
3936 &selection->rect.y2);
3938 list = g_list_append (list, selection);
3944 /* This function takes the newly calculated list, and figures out which regions
3945 * have changed. It then queues a redraw approporiately.
3948 merge_selection_region (EvView *view,
3952 GList *new_list_ptr, *old_list_ptr;
3954 /* Update the selection */
3955 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
3956 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
3957 view->selection_info.selections = new_list;
3958 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
3959 g_object_notify (G_OBJECT (view), "has-selection");
3961 new_list_ptr = new_list;
3962 old_list_ptr = old_list;
3964 while (new_list_ptr || old_list_ptr) {
3965 EvViewSelection *old_sel, *new_sel;
3967 GdkRegion *region = NULL;
3969 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
3970 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
3972 /* Assume that the lists are in order, and we run through them
3973 * comparing them, one page at a time. We come out with the
3974 * first page we see. */
3975 if (new_sel && old_sel) {
3976 if (new_sel->page < old_sel->page) {
3977 new_list_ptr = new_list_ptr->next;
3979 } else if (new_sel->page > old_sel->page) {
3980 old_list_ptr = old_list_ptr->next;
3983 new_list_ptr = new_list_ptr->next;
3984 old_list_ptr = old_list_ptr->next;
3986 } else if (new_sel) {
3987 new_list_ptr = new_list_ptr->next;
3988 } else if (old_sel) {
3989 old_list_ptr = old_list_ptr->next;
3992 g_assert (new_sel || old_sel);
3994 /* is the page we're looking at on the screen?*/
3995 cur_page = new_sel ? new_sel->page : old_sel->page;
3996 if (cur_page < view->start_page || cur_page > view->end_page)
3999 /* seed the cache with a new page. We are going to need the new
4002 GdkRegion *tmp_region = NULL;
4003 ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
4008 new_sel->covered_region = gdk_region_copy (tmp_region);
4012 /* Now we figure out what needs redrawing */
4013 if (old_sel && new_sel) {
4014 if (old_sel->covered_region &&
4015 new_sel->covered_region) {
4016 /* We only want to redraw the areas that have
4017 * changed, so we xor the old and new regions
4018 * and redraw if it's different */
4019 region = gdk_region_copy (old_sel->covered_region);
4020 gdk_region_xor (region, new_sel->covered_region);
4021 if (gdk_region_empty (region)) {
4022 gdk_region_destroy (region);
4025 } else if (old_sel->covered_region) {
4026 region = gdk_region_copy (old_sel->covered_region);
4027 } else if (new_sel->covered_region) {
4028 region = gdk_region_copy (new_sel->covered_region);
4030 } else if (old_sel && !new_sel) {
4031 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
4032 region = gdk_region_copy (old_sel->covered_region);
4034 } else if (!old_sel && new_sel) {
4035 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
4036 region = gdk_region_copy (new_sel->covered_region);
4039 g_assert_not_reached ();
4042 /* Redraw the damaged region! */
4044 GdkRectangle page_area;
4047 get_page_extents (view, cur_page, &page_area, &border);
4048 gdk_region_offset (region,
4049 page_area.x + border.left - view->scroll_x,
4050 page_area.y + border.top - view->scroll_y);
4051 gdk_window_invalidate_region (GTK_WIDGET (view)->window, region, TRUE);
4052 gdk_region_destroy (region);
4056 /* Free the old list, now that we're done with it. */
4057 g_list_foreach (old_list, (GFunc) selection_free, NULL);
4061 compute_selections (EvView *view,
4067 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
4068 list = compute_new_selection_rect (view, start, stop);
4070 list = compute_new_selection_text (view, start, stop);
4071 merge_selection_region (view, list);
4074 /* Free's the selection. It's up to the caller to queue redraws if needed.
4077 selection_free (EvViewSelection *selection)
4079 if (selection->covered_region)
4080 gdk_region_destroy (selection->covered_region);
4085 clear_selection (EvView *view)
4087 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
4088 view->selection_info.selections = NULL;
4089 view->selection_info.in_selection = FALSE;
4090 g_object_notify (G_OBJECT (view), "has-selection");
4095 ev_view_select_all (EvView *view)
4099 /* Disable selection on rotated pages for the 0.4.0 series */
4100 if (view->rotation != 0)
4103 clear_selection (view);
4105 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4106 for (i = 0; i < n_pages; i++) {
4108 EvViewSelection *selection;
4110 ev_page_cache_get_size (view->page_cache,
4113 1.0, &width, &height);
4115 selection = g_new0 (EvViewSelection, 1);
4116 selection->page = i;
4117 selection->rect.x1 = selection->rect.y1 = 0;
4118 selection->rect.x2 = width;
4119 selection->rect.y2 = height;
4121 view->selection_info.selections = g_list_append (view->selection_info.selections, selection);
4124 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, view->selection_info.selections);
4125 g_object_notify (G_OBJECT (view), "has-selection");
4126 gtk_widget_queue_draw (GTK_WIDGET (view));
4130 ev_view_get_has_selection (EvView *view)
4132 return view->selection_info.selections != NULL;
4136 get_selected_text (EvView *ev_view)
4141 text = g_string_new (NULL);
4143 ev_document_doc_mutex_lock ();
4145 for (l = ev_view->selection_info.selections; l != NULL; l = l->next) {
4146 EvViewSelection *selection = (EvViewSelection *)l->data;
4149 tmp = ev_document_get_text (ev_view->document,
4152 g_string_append (text, tmp);
4156 ev_document_doc_mutex_unlock ();
4158 return g_string_free (text, FALSE);
4162 ev_view_copy (EvView *ev_view)
4164 GtkClipboard *clipboard;
4167 if (!ev_document_can_get_text (ev_view->document)) {
4171 text = get_selected_text (ev_view);
4172 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
4173 GDK_SELECTION_CLIPBOARD);
4174 gtk_clipboard_set_text (clipboard, text, -1);
4179 ev_view_primary_get_cb (GtkClipboard *clipboard,
4180 GtkSelectionData *selection_data,
4184 EvView *ev_view = EV_VIEW (data);
4187 if (!ev_document_can_get_text (ev_view->document)) {
4191 text = get_selected_text (ev_view);
4192 gtk_selection_data_set_text (selection_data, text, -1);
4197 ev_view_primary_clear_cb (GtkClipboard *clipboard,
4200 EvView *view = EV_VIEW (data);
4202 clear_selection (view);
4206 ev_view_update_primary_selection (EvView *ev_view)
4208 GtkClipboard *clipboard;
4210 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
4211 GDK_SELECTION_PRIMARY);
4213 if (ev_view->selection_info.selections) {
4214 if (!gtk_clipboard_set_with_owner (clipboard,
4216 G_N_ELEMENTS (targets),
4217 ev_view_primary_get_cb,
4218 ev_view_primary_clear_cb,
4219 G_OBJECT (ev_view)))
4220 ev_view_primary_clear_cb (clipboard, ev_view);
4222 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
4223 gtk_clipboard_clear (clipboard);
4227 /*** Cursor operations ***/
4230 ev_view_create_invisible_cursor(void)
4233 GdkColor black = { 0, 0, 0, 0 };
4234 static char bits[] = { 0x00 };
4236 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
4238 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
4242 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
4244 GdkCursor *cursor = NULL;
4245 GdkDisplay *display;
4248 if (view->cursor == new_cursor) {
4252 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
4253 display = gtk_widget_get_display (widget);
4254 view->cursor = new_cursor;
4256 switch (new_cursor) {
4257 case EV_VIEW_CURSOR_NORMAL:
4258 gdk_window_set_cursor (widget->window, NULL);
4260 case EV_VIEW_CURSOR_IBEAM:
4261 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
4263 case EV_VIEW_CURSOR_LINK:
4264 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
4266 case EV_VIEW_CURSOR_WAIT:
4267 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
4269 case EV_VIEW_CURSOR_HIDDEN:
4270 cursor = ev_view_create_invisible_cursor ();
4272 case EV_VIEW_CURSOR_DRAG:
4273 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
4278 gdk_window_set_cursor (widget->window, cursor);
4279 gdk_cursor_unref (cursor);
4285 ev_view_hide_cursor (EvView *view)
4287 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
4291 ev_view_show_cursor (EvView *view)
4293 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
4297 ev_view_reset_presentation_state (EvView *view)
4299 if (!view->presentation ||
4300 view->presentation_state == EV_PRESENTATION_NORMAL)
4303 view->presentation_state = EV_PRESENTATION_NORMAL;
4304 gdk_window_set_background (GTK_WIDGET (view)->window,
4305 >K_WIDGET (view)->style->black);
4306 gtk_widget_queue_draw (GTK_WIDGET (view));
4310 ev_view_next_page (EvView *view)
4314 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4316 if (!view->page_cache)
4319 ev_view_reset_presentation_state (view);
4321 page = ev_page_cache_get_current_page (view->page_cache);
4322 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4324 if (view->dual_page && !view->presentation)
4329 if (page < n_pages) {
4330 ev_page_cache_set_current_page (view->page_cache, page);
4332 } else if (view->presentation && page == n_pages) {
4333 view->presentation_state = EV_PRESENTATION_END;
4334 gtk_widget_queue_draw (GTK_WIDGET (view));
4336 } else if (view->dual_page && page == n_pages) {
4337 ev_page_cache_set_current_page (view->page_cache, page - 1);
4345 ev_view_previous_page (EvView *view)
4349 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4351 if (!view->page_cache)
4354 if (view->presentation &&
4355 view->presentation_state == EV_PRESENTATION_END) {
4356 ev_view_reset_presentation_state (view);
4360 ev_view_reset_presentation_state (view);
4362 page = ev_page_cache_get_current_page (view->page_cache);
4364 if (view->dual_page && !view->presentation)
4370 ev_page_cache_set_current_page (view->page_cache, page);
4372 } else if (ev_view_get_dual_page (view) && page == -1) {
4373 ev_page_cache_set_current_page (view->page_cache, 0);
4380 /*** Enum description for usage in signal ***/
4383 ev_sizing_mode_get_type (void)
4385 static GType etype = 0;
4387 static const GEnumValue values[] = {
4388 { EV_SIZING_FIT_WIDTH, "EV_SIZING_FIT_WIDTH", "fit-width" },
4389 { EV_SIZING_BEST_FIT, "EV_SIZING_BEST_FIT", "best-fit" },
4390 { EV_SIZING_FREE, "EV_SIZING_FREE", "free" },
4393 etype = g_enum_register_static ("EvSizingMode", values);
4399 ev_scroll_type_get_type (void)
4401 static GType etype = 0;
4403 static const GEnumValue values[] = {
4404 { EV_SCROLL_PAGE_FORWARD, "EV_SCROLL_PAGE_FORWARD", "scroll-page-forward" },
4405 { EV_SCROLL_PAGE_BACKWARD, "EV_SCROLL_PAGE_BACKWARD", "scroll-page-backward" },
4406 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
4407 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
4408 { EV_SCROLL_STEP_UP, "EV_SCROLL_STEP_UP", "scroll-step-up" },
4409 { EV_SCROLL_STEP_DOWN, "EV_SCROLL_STEP_DOWN", "scroll-step-down" },
4412 etype = g_enum_register_static ("EvScrollType", values);