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.
24 #include <gtk/gtkalignment.h>
25 #include <glib/gi18n.h>
26 #include <gtk/gtkbindings.h>
27 #include <gtk/gtkselection.h>
28 #include <gtk/gtkclipboard.h>
29 #include <gdk/gdkkeysyms.h>
30 #include <libgnomevfs/gnome-vfs-utils.h>
32 #include "ev-marshal.h"
34 #include "ev-view-private.h"
36 #include "ev-selection.h"
37 #include "ev-document-links.h"
38 #include "ev-document-find.h"
39 #include "ev-document-misc.h"
41 #include "ev-job-queue.h"
42 #include "ev-page-cache.h"
43 #include "ev-pixbuf-cache.h"
44 #include "ev-tooltip.h"
46 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
47 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
48 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
66 SIGNAL_BINDING_ACTIVATED,
78 TARGET_TEXT_BUFFER_CONTENTS
81 static const GtkTargetEntry targets[] = {
82 { "STRING", 0, TARGET_STRING },
83 { "TEXT", 0, TARGET_TEXT },
84 { "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT },
85 { "UTF8_STRING", 0, TARGET_UTF8_STRING },
88 static guint signals[N_SIGNALS];
93 } EvViewFindDirection;
95 #define ZOOM_IN_FACTOR 1.2
96 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
98 #define MIN_SCALE 0.05409
101 #define SCROLL_TIME 150
104 static void scroll_to_current_page (EvView *view,
105 GtkOrientation orientation);
106 static void ev_view_set_scroll_adjustments (EvView *view,
107 GtkAdjustment *hadjustment,
108 GtkAdjustment *vadjustment);
109 static void view_update_range_and_current_page (EvView *view);
110 static void set_scroll_adjustment (EvView *view,
111 GtkOrientation orientation,
112 GtkAdjustment *adjustment);
113 static void ev_view_set_scroll_adjustments (EvView *view,
114 GtkAdjustment *hadjustment,
115 GtkAdjustment *vadjustment);
116 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
118 GdkModifierType modifiers,
120 gboolean horizontal);
121 static void ensure_rectangle_is_visible (EvView *view,
124 /*** Geometry computations ***/
125 static void compute_border (EvView *view,
129 static void get_page_y_offset (EvView *view,
133 static gboolean get_page_extents (EvView *view,
135 GdkRectangle *page_area,
137 static void view_rect_to_doc_rect (EvView *view,
138 GdkRectangle *view_rect,
139 GdkRectangle *page_area,
140 EvRectangle *doc_rect);
141 static void doc_rect_to_view_rect (EvView *view,
143 EvRectangle *doc_rect,
144 GdkRectangle *view_rect);
145 static void find_page_at_location (EvView *view,
151 static gboolean doc_point_to_view_point (EvView *view,
154 GdkPoint *view_point);
156 static EvLink * ev_view_get_link_at_location (EvView *view,
159 static char* tip_from_link (EvView *view,
161 static void handle_link_over_xy (EvView *view,
164 /*** GtkWidget implementation ***/
165 static void ev_view_size_request_continuous_dual_page (EvView *view,
166 GtkRequisition *requisition);
167 static void ev_view_size_request_continuous (EvView *view,
168 GtkRequisition *requisition);
169 static void ev_view_size_request_dual_page (EvView *view,
170 GtkRequisition *requisition);
171 static void ev_view_size_request_single_page (EvView *view,
172 GtkRequisition *requisition);
173 static void ev_view_size_request (GtkWidget *widget,
174 GtkRequisition *requisition);
175 static void ev_view_size_allocate (GtkWidget *widget,
176 GtkAllocation *allocation);
177 static void ev_view_realize (GtkWidget *widget);
178 static gboolean ev_view_scroll_event (GtkWidget *widget,
179 GdkEventScroll *event);
180 static gboolean ev_view_expose_event (GtkWidget *widget,
181 GdkEventExpose *event);
182 static gboolean ev_view_popup_menu (GtkWidget *widget);
183 static gboolean ev_view_button_press_event (GtkWidget *widget,
184 GdkEventButton *event);
185 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
186 GdkEventMotion *event);
187 static gboolean ev_view_button_release_event (GtkWidget *widget,
188 GdkEventButton *event);
189 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
190 GdkEventCrossing *event);
191 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
192 GdkEventCrossing *event);
193 static void ev_view_style_set (GtkWidget *widget,
194 GtkStyle *old_style);
196 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
199 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
200 static void draw_rubberband (GtkWidget *widget,
202 const GdkRectangle *rect,
204 static void highlight_find_results (EvView *view,
206 static void draw_one_page (EvView *view,
208 GdkRectangle *page_area,
210 GdkRectangle *expose_area,
211 gboolean *page_ready);
212 static void draw_loading_text (EvView *view,
213 GdkRectangle *page_area,
214 GdkRectangle *expose_area);
217 static void find_changed_cb (EvDocument *document,
220 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
222 static void page_changed_cb (EvPageCache *page_cache,
225 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
229 static void ev_view_finalize (GObject *object);
230 static void ev_view_destroy (GtkObject *object);
231 static void ev_view_set_property (GObject *object,
235 static void ev_view_get_property (GObject *object,
239 static void ev_view_class_init (EvViewClass *class);
240 static void ev_view_init (EvView *view);
242 /*** Zoom and sizing ***/
243 static double zoom_for_size_fit_width (int doc_width,
248 static double zoom_for_size_fit_height (int doc_width,
253 static double zoom_for_size_best_fit (int doc_width,
259 static void ev_view_zoom_for_size_presentation (EvView *view,
262 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
267 static void ev_view_zoom_for_size_continuous (EvView *view,
272 static void ev_view_zoom_for_size_dual_page (EvView *view,
277 static void ev_view_zoom_for_size_single_page (EvView *view,
283 static GdkCursor* ev_view_create_invisible_cursor (void);
284 static void ev_view_set_cursor (EvView *view,
285 EvViewCursor new_cursor);
287 /*** Status messages ***/
288 static void ev_view_set_status (EvView *view,
289 const char *message);
290 static void update_find_status_message (EvView *view,
292 static void ev_view_set_find_status (EvView *view,
293 const char *message);
295 static void jump_to_find_result (EvView *view);
296 static void jump_to_find_page (EvView *view,
297 EvViewFindDirection direction,
301 static void compute_selections (EvView *view,
304 static void clear_selection (EvView *view);
305 static void selection_free (EvViewSelection *selection);
306 static char* get_selected_text (EvView *ev_view);
307 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
308 GtkSelectionData *selection_data,
311 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
313 static void ev_view_update_primary_selection (EvView *ev_view);
316 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_WIDGET)
319 scroll_to_current_page (EvView *view, GtkOrientation orientation)
323 if (view->document == NULL) {
327 doc_point_to_view_point (view, view->current_page, &view->pending_point, &view_point);
329 if (orientation == GTK_ORIENTATION_VERTICAL) {
330 view->pending_point.y = 0;
332 view->pending_point.x = 0;
335 if (orientation == GTK_ORIENTATION_VERTICAL) {
336 if (view->continuous) {
337 gtk_adjustment_clamp_page (view->vadjustment,
338 view_point.y - view->spacing / 2,
339 view_point.y + view->vadjustment->page_size);
341 gtk_adjustment_set_value (view->vadjustment,
343 view->vadjustment->lower,
344 view->vadjustment->upper -
345 view->vadjustment->page_size));
348 if (view->dual_page) {
349 gtk_adjustment_clamp_page (view->hadjustment,
351 view_point.x + view->hadjustment->page_size);
353 gtk_adjustment_set_value (view->hadjustment,
355 view->hadjustment->lower,
356 view->hadjustment->upper -
357 view->hadjustment->page_size));
363 view_set_adjustment_values (EvView *view,
364 GtkOrientation orientation)
366 GtkWidget *widget = GTK_WIDGET (view);
367 GtkAdjustment *adjustment;
374 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
375 requisition = widget->requisition.width;
376 allocation = widget->allocation.width;
377 adjustment = view->hadjustment;
379 requisition = widget->requisition.height;
380 allocation = widget->allocation.height;
381 adjustment = view->vadjustment;
388 switch (view->pending_scroll) {
389 case SCROLL_TO_KEEP_POSITION:
390 case SCROLL_TO_FIND_LOCATION:
391 factor = (adjustment->value) / adjustment->upper;
393 case SCROLL_TO_PAGE_POSITION:
395 case SCROLL_TO_CENTER:
396 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
400 adjustment->page_size = allocation;
401 adjustment->step_increment = allocation * 0.1;
402 adjustment->page_increment = allocation * 0.9;
403 adjustment->lower = 0;
404 adjustment->upper = MAX (allocation, requisition);
407 * We add 0.5 to the values before to average out our rounding errors.
409 switch (view->pending_scroll) {
410 case SCROLL_TO_KEEP_POSITION:
411 case SCROLL_TO_FIND_LOCATION:
412 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
413 gtk_adjustment_set_value (adjustment, (int)new_value);
415 case SCROLL_TO_PAGE_POSITION:
416 scroll_to_current_page (view, orientation);
418 case SCROLL_TO_CENTER:
419 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
420 0, adjustment->upper - adjustment->page_size);
421 gtk_adjustment_set_value (adjustment, (int)new_value);
425 gtk_adjustment_changed (adjustment);
429 view_update_range_and_current_page (EvView *view)
432 gint best_current_page = -1;
434 /* Presentation trumps all other modes */
435 if (view->presentation) {
436 view->start_page = view->current_page;
437 view->end_page = view->current_page;
438 } else if (view->continuous) {
439 GdkRectangle current_area, unused, page_area;
441 gboolean found = FALSE;
442 gint area_max = -1, area;
445 if (!(view->vadjustment && view->hadjustment))
448 current_area.x = view->hadjustment->value;
449 current_area.width = view->hadjustment->upper;
450 current_area.y = view->vadjustment->value;
451 current_area.height = view->vadjustment->page_size;
453 for (i = 0; i < ev_page_cache_get_n_pages (view->page_cache); i++) {
455 get_page_extents (view, i, &page_area, &border);
457 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
458 area = unused.width * unused.height;
462 view->start_page = i;
464 best_current_page = i;
466 if (area > area_max) {
467 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
477 } else if (view->dual_page) {
478 if (view->current_page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) {
479 view->start_page = view->current_page;
480 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache))
481 view->end_page = view->start_page + 1;
483 view->end_page = view->start_page;
485 if (view->current_page < 1)
486 view->start_page = view->current_page;
488 view->start_page = view->current_page - 1;
489 view->end_page = view->current_page;
492 view->start_page = view->current_page;
493 view->end_page = view->current_page;
496 best_current_page = MAX (best_current_page, view->start_page);
497 current_page = ev_page_cache_get_current_page (view->page_cache);
499 if ((current_page != best_current_page) && (view->pending_scroll == SCROLL_TO_KEEP_POSITION)) {
500 view->current_page = best_current_page;
501 ev_page_cache_set_current_page (view->page_cache, best_current_page);
504 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
509 view->selection_info.selections);
513 set_scroll_adjustment (EvView *view,
514 GtkOrientation orientation,
515 GtkAdjustment *adjustment)
517 GtkAdjustment **to_set;
519 if (orientation == GTK_ORIENTATION_HORIZONTAL)
520 to_set = &view->hadjustment;
522 to_set = &view->vadjustment;
524 if (*to_set != adjustment) {
526 g_signal_handlers_disconnect_by_func (*to_set,
527 (gpointer) on_adjustment_value_changed,
529 g_object_unref (*to_set);
532 *to_set = adjustment;
533 view_set_adjustment_values (view, orientation);
536 g_object_ref (*to_set);
537 g_signal_connect (*to_set, "value_changed",
538 G_CALLBACK (on_adjustment_value_changed), view);
544 ev_view_set_scroll_adjustments (EvView *view,
545 GtkAdjustment *hadjustment,
546 GtkAdjustment *vadjustment)
548 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
549 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
551 on_adjustment_value_changed (NULL, view);
555 add_scroll_binding_keypad (GtkBindingSet *binding_set,
557 GdkModifierType modifiers,
561 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
563 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
564 "binding_activated", 2,
565 EV_TYPE_SCROLL_TYPE, scroll,
566 G_TYPE_BOOLEAN, horizontal);
567 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
568 "binding_activated", 2,
569 EV_TYPE_SCROLL_TYPE, scroll,
570 G_TYPE_BOOLEAN, horizontal);
574 ev_view_scroll (EvView *view,
578 GtkAdjustment *adjustment;
579 double value, increment;
580 gboolean first_page = FALSE;
581 gboolean last_page = FALSE;
583 view->jump_to_find_result = FALSE;
585 if (view->presentation || view->sizing_mode == EV_SIZING_BEST_FIT) {
587 case EV_SCROLL_PAGE_BACKWARD:
588 case EV_SCROLL_STEP_BACKWARD:
589 ev_view_previous_page (view);
591 case EV_SCROLL_PAGE_FORWARD:
592 case EV_SCROLL_STEP_FORWARD:
593 ev_view_next_page (view);
601 /* Assign values for increment and vertical adjustment */
602 adjustment = horizontal ? view->hadjustment : view->vadjustment;
603 increment = adjustment->page_size * 0.75;
604 value = adjustment->value;
606 /* Assign boolean for first and last page */
607 if (view->current_page == 0)
609 if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1)
613 case EV_SCROLL_PAGE_BACKWARD:
614 /* Do not jump backwards if at the first page */
615 if (value == (adjustment->lower) && first_page) {
617 /* At the top of a page, assign the upper bound limit of previous page */
618 } else if (value == (adjustment->lower)) {
619 value = adjustment->upper - adjustment->page_size;
620 ev_view_previous_page (view);
621 /* Jump to the top */
623 value = MAX (value - increment, adjustment->lower);
626 case EV_SCROLL_PAGE_FORWARD:
627 /* Do not jump forward if at the last page */
628 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
630 /* At the bottom of a page, assign the lower bound limit of next page */
631 } else if (value == (adjustment->upper - adjustment->page_size)) {
633 ev_view_next_page (view);
634 /* Jump to the bottom */
636 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
639 case EV_SCROLL_STEP_BACKWARD:
640 value -= adjustment->step_increment;
642 case EV_SCROLL_STEP_FORWARD:
643 value += adjustment->step_increment;
645 case EV_SCROLL_STEP_DOWN:
646 value -= adjustment->step_increment / 10;
648 case EV_SCROLL_STEP_UP:
649 value += adjustment->step_increment / 10;
655 value = CLAMP (value, adjustment->lower,
656 adjustment->upper - adjustment->page_size);
658 gtk_adjustment_set_value (adjustment, value);
664 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
666 GtkWidget *widget = GTK_WIDGET (view);
667 GtkAdjustment *adjustment;
670 view->pending_scroll = SCROLL_TO_FIND_LOCATION;
672 adjustment = view->vadjustment;
674 if (rect->y < adjustment->value) {
675 value = MAX (adjustment->lower, rect->y - MARGIN);
676 gtk_adjustment_set_value (view->vadjustment, value);
677 } else if (rect->y + rect->height >
678 adjustment->value + widget->allocation.height) {
679 value = MIN (adjustment->upper, rect->y + rect->height -
680 widget->allocation.height + MARGIN);
681 gtk_adjustment_set_value (view->vadjustment, value);
684 adjustment = view->hadjustment;
686 if (rect->x < adjustment->value) {
687 value = MAX (adjustment->lower, rect->x - MARGIN);
688 gtk_adjustment_set_value (view->hadjustment, value);
689 } else if (rect->x + rect->height >
690 adjustment->value + widget->allocation.width) {
691 value = MIN (adjustment->upper, rect->x + rect->width -
692 widget->allocation.width + MARGIN);
693 gtk_adjustment_set_value (view->hadjustment, value);
696 gtk_widget_queue_resize (GTK_WIDGET (view));
699 /*** Geometry computations ***/
702 compute_border (EvView *view, int width, int height, GtkBorder *border)
704 if (view->presentation) {
710 ev_document_misc_get_page_border_size (width, height, border);
715 get_page_y_offset (EvView *view, int page, double zoom, int *y_offset)
717 int max_width, offset;
720 g_return_if_fail (y_offset != NULL);
722 ev_page_cache_get_max_width (view->page_cache, view->rotation, zoom, &max_width);
724 compute_border (view, max_width, max_width, &border);
726 if (view->dual_page) {
727 ev_page_cache_get_height_to_page (view->page_cache, page,
728 view->rotation, zoom, NULL, &offset);
729 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);
731 ev_page_cache_get_height_to_page (view->page_cache, page,
732 view->rotation, zoom, &offset, NULL);
733 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
741 get_page_extents (EvView *view,
743 GdkRectangle *page_area,
749 widget = GTK_WIDGET (view);
751 /* Get the size of the page */
752 ev_page_cache_get_size (view->page_cache, page,
756 compute_border (view, width, height, border);
757 page_area->width = width + border->left + border->right;
758 page_area->height = height + border->top + border->bottom;
760 if (view->presentation) {
761 page_area->x = (MAX (0, widget->allocation.width - width))/2;
762 page_area->y = (MAX (0, widget->allocation.height - height))/2;
763 } else if (view->continuous) {
767 ev_page_cache_get_max_width (view->page_cache, view->rotation,
768 view->scale, &max_width);
769 max_width = max_width + border->left + border->right;
770 /* Get the location of the bounding box */
771 if (view->dual_page) {
772 x = view->spacing + ((page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? 0 : 1) * (max_width + view->spacing);
773 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
774 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
775 x = x + (max_width - width - border->left - border->right);
778 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
781 get_page_y_offset (view, page, view->scale, &y);
787 if (view->dual_page) {
788 gint width_2, height_2;
789 gint max_width = width;
790 gint max_height = height;
791 GtkBorder overall_border;
794 other_page = (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? page + 1: page - 1;
796 /* First, we get the bounding box of the two pages */
797 if (other_page < ev_page_cache_get_n_pages (view->page_cache)
798 && (0 <= other_page)) {
799 ev_page_cache_get_size (view->page_cache,
803 &width_2, &height_2);
806 if (height_2 > height)
807 max_height = height_2;
809 compute_border (view, max_width, max_height, &overall_border);
811 /* Find the offsets */
815 /* Adjust for being the left or right page */
816 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
817 x = x + max_width - width;
819 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
821 y = y + (max_height - height)/2;
823 /* Adjust for extra allocation */
824 x = x + MAX (0, widget->allocation.width -
825 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
826 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
831 /* Adjust for extra allocation */
832 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
833 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
844 view_point_to_doc_point (EvView *view,
845 GdkPoint *view_point,
846 GdkRectangle *page_area,
850 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
851 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
855 view_rect_to_doc_rect (EvView *view,
856 GdkRectangle *view_rect,
857 GdkRectangle *page_area,
858 EvRectangle *doc_rect)
860 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
861 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
862 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
863 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
867 doc_point_to_view_point (EvView *view,
870 GdkPoint *view_point)
872 GdkRectangle page_area;
874 double x, y, view_x, view_y;
877 ev_page_cache_get_size (view->page_cache, page,
882 if (view->rotation == 0) {
885 } else if (view->rotation == 90) {
886 x = width - doc_point->y;
888 } else if (view->rotation == 180) {
889 x = width - doc_point->x;
890 y = height - doc_point->y;
891 } else if (view->rotation == 270) {
893 y = height - doc_point->x;
895 g_assert_not_reached ();
898 get_page_extents (view, page, &page_area, &border);
900 view_x = x * view->scale;
901 view_y = y * view->scale;
902 view_point->x = view_x + page_area.x;
903 view_point->y = view_y + page_area.y;
905 return (view_x > 0 && view_x <= page_area.width &&
906 view_y > 0 && view_y <= page_area.height);
910 doc_rect_to_view_rect (EvView *view,
912 EvRectangle *doc_rect,
913 GdkRectangle *view_rect)
915 GdkRectangle page_area;
920 ev_page_cache_get_size (view->page_cache, page,
925 if (view->rotation == 0) {
928 w = doc_rect->x2 - doc_rect->x1;
929 h = doc_rect->y2 - doc_rect->y1;
930 } else if (view->rotation == 90) {
931 x = width - doc_rect->y2;
933 w = doc_rect->y2 - doc_rect->y1;
934 h = doc_rect->x2 - doc_rect->x1;
935 } else if (view->rotation == 180) {
936 x = width - doc_rect->x2;
937 y = height - doc_rect->y2;
938 w = doc_rect->x2 - doc_rect->x1;
939 h = doc_rect->y2 - doc_rect->y1;
940 } else if (view->rotation == 270) {
942 y = height - doc_rect->x2;
943 w = doc_rect->y2 - doc_rect->y1;
944 h = doc_rect->x2 - doc_rect->x1;
946 g_assert_not_reached ();
949 get_page_extents (view, page, &page_area, &border);
951 view_rect->x = x * view->scale + page_area.x;
952 view_rect->y = y * view->scale + page_area.y;
953 view_rect->width = w * view->scale;
954 view_rect->height = h * view->scale;
958 find_page_at_location (EvView *view,
967 if (view->document == NULL)
974 for (i = view->start_page; i <= view->end_page; i++) {
975 GdkRectangle page_area;
978 if (! get_page_extents (view, i, &page_area, &border))
981 if ((x >= page_area.x + border.left) &&
982 (x < page_area.x + page_area.width - border.right) &&
983 (y >= page_area.y + border.top) &&
984 (y < page_area.y + page_area.height - border.bottom)) {
986 *x_offset = x - (page_area.x + border.left);
987 *y_offset = y - (page_area.y + border.top);
996 location_in_text (EvView *view,
1002 gint x_offset = 0, y_offset = 0;
1004 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1009 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
1012 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1018 ev_view_get_width (EvView *view)
1020 return GTK_WIDGET (view)->allocation.width;
1024 ev_view_get_height (EvView *view)
1026 return GTK_WIDGET (view)->allocation.height;
1030 location_in_selected_text (EvView *view,
1035 gint x_offset = 0, y_offset = 0;
1036 EvViewSelection *selection;
1039 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1040 selection = (EvViewSelection *)l->data;
1042 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1044 if (page != selection->page)
1047 if (selection->covered_region &&
1048 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1056 get_doc_point_from_offset (EvView *view,
1066 ev_page_cache_get_size (view->page_cache, page,
1071 x_offset = x_offset / view->scale;
1072 y_offset = y_offset / view->scale;
1074 if (view->rotation == 0) {
1077 } else if (view->rotation == 90) {
1079 y = width - x_offset;
1080 } else if (view->rotation == 180) {
1081 x = width - x_offset;
1082 y = height - y_offset;
1083 } else if (view->rotation == 270) {
1084 x = height - y_offset;
1087 g_assert_not_reached ();
1098 ev_view_get_link_at_location (EvView *view,
1103 gint x_offset = 0, y_offset = 0;
1104 gint x_new = 0, y_new = 0;
1105 GList *link_mapping;
1107 x += view->scroll_x;
1108 y += view->scroll_y;
1110 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1116 if (get_doc_point_from_offset (view, page, x_offset,
1117 y_offset, &x_new, &y_new) == FALSE)
1120 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1123 return ev_link_mapping_find (link_mapping, x_new, y_new);
1129 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1134 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - ev_link_dest_get_left (dest),
1135 ev_link_dest_get_bottom (dest) - ev_link_dest_get_top (dest),
1136 ev_view_get_width (view),
1137 ev_view_get_height (view), 0, 0);
1139 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1140 ev_view_set_zoom (view, zoom, FALSE);
1142 doc_point.x = ev_link_dest_get_left (dest);
1143 doc_point.y = ev_link_dest_get_top (dest);
1145 view->current_page = ev_link_dest_get_page (dest);
1146 view->pending_point = doc_point;
1147 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1149 gtk_widget_queue_resize (GTK_WIDGET (view));
1153 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1156 int doc_width, doc_height, page;
1159 page = ev_link_dest_get_page (dest);
1160 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1162 doc_point.x = ev_link_dest_get_left (dest);
1165 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1166 ev_view_get_width (view),
1167 ev_view_get_height (view), 0);
1169 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1170 ev_view_set_zoom (view, zoom, FALSE);
1172 view->current_page = page;
1173 view->pending_point = doc_point;
1174 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1176 gtk_widget_queue_resize (GTK_WIDGET (view));
1180 goto_fith_dest (EvView *view, EvLinkDest *dest)
1183 int doc_width, doc_height, page;
1186 page = ev_link_dest_get_page (dest);
1187 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1190 doc_point.y = ev_link_dest_get_top (dest);
1192 zoom = zoom_for_size_fit_width (doc_width, ev_link_dest_get_top (dest),
1193 ev_view_get_width (view),
1194 ev_view_get_height (view), 0);
1196 ev_view_set_sizing_mode (view, EV_SIZING_FIT_WIDTH);
1197 ev_view_set_zoom (view, zoom, FALSE);
1199 view->current_page = page;
1200 view->pending_point = doc_point;
1201 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1203 gtk_widget_queue_resize (GTK_WIDGET (view));
1207 goto_fit_dest (EvView *view, EvLinkDest *dest)
1210 int doc_width, doc_height;
1213 page = ev_link_dest_get_page (dest);
1214 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1216 zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view),
1217 ev_view_get_height (view), 0, 0);
1219 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
1220 ev_view_set_zoom (view, zoom, FALSE);
1222 view->current_page = page;
1223 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1225 gtk_widget_queue_resize (GTK_WIDGET (view));
1229 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1235 zoom = ev_link_dest_get_zoom (dest);
1236 page = ev_link_dest_get_page (dest);
1239 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1240 ev_view_set_zoom (view, zoom, FALSE);
1243 doc_point.x = ev_link_dest_get_left (dest);
1244 doc_point.y = ev_link_dest_get_top (dest);
1246 view->current_page = page;
1247 view->pending_point = doc_point;
1248 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1250 gtk_widget_queue_resize (GTK_WIDGET (view));
1254 goto_dest (EvView *view, EvLinkDest *dest)
1256 EvLinkDestType type;
1259 page = ev_link_dest_get_page (dest);
1260 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1262 if (page < 0 || page >= n_pages)
1265 type = ev_link_dest_get_dest_type (dest);
1268 case EV_LINK_DEST_TYPE_PAGE:
1269 ev_page_cache_set_current_page (view->page_cache, page);
1271 case EV_LINK_DEST_TYPE_FIT:
1272 goto_fit_dest (view, dest);
1274 case EV_LINK_DEST_TYPE_FITH:
1275 goto_fith_dest (view, dest);
1277 case EV_LINK_DEST_TYPE_FITV:
1278 goto_fitv_dest (view, dest);
1280 case EV_LINK_DEST_TYPE_FITR:
1281 goto_fitr_dest (view, dest);
1283 case EV_LINK_DEST_TYPE_XYZ:
1284 goto_xyz_dest (view, dest);
1286 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1287 ev_page_cache_set_page_label (view->page_cache, ev_link_dest_get_page_label (dest));
1290 g_assert_not_reached ();
1295 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1297 EvLinkDestType type;
1299 type = ev_link_dest_get_dest_type (dest);
1301 if (type == EV_LINK_DEST_TYPE_NAMED) {
1303 const gchar *named_dest;
1305 named_dest = ev_link_dest_get_named_dest (dest);
1306 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1309 goto_dest (view, dest2);
1310 g_object_unref (dest2);
1316 goto_dest (view, dest);
1320 ev_view_handle_link (EvView *view, EvLink *link)
1322 EvLinkAction *action = NULL;
1323 EvLinkActionType type;
1325 action = ev_link_get_action (link);
1329 type = ev_link_action_get_action_type (action);
1332 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1335 dest = ev_link_action_get_dest (action);
1336 ev_view_goto_dest (view, dest);
1339 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1340 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1341 case EV_LINK_ACTION_TYPE_LAUNCH:
1342 case EV_LINK_ACTION_TYPE_NAMED:
1343 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1349 page_label_from_dest (EvView *view, EvLinkDest *dest)
1351 EvLinkDestType type;
1354 type = ev_link_dest_get_dest_type (dest);
1357 case EV_LINK_DEST_TYPE_NAMED: {
1359 const gchar *named_dest;
1361 named_dest = ev_link_dest_get_named_dest (dest);
1362 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1365 msg = ev_page_cache_get_page_label (view->page_cache,
1366 ev_link_dest_get_page (dest2));
1367 g_object_unref (dest2);
1373 msg = ev_page_cache_get_page_label (view->page_cache,
1374 ev_link_dest_get_page (dest));
1381 tip_from_action_named (EvLinkAction *action)
1383 const gchar *name = ev_link_action_get_name (action);
1385 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1386 return g_strdup (_("Go to first page"));
1387 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1388 return g_strdup (_("Go to previous page"));
1389 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1390 return g_strdup (_("Go to next page"));
1391 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1392 return g_strdup (_("Go to last page"));
1393 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1394 return g_strdup (_("Go to page"));
1395 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1396 return g_strdup (_("Find"));
1403 tip_from_link (EvView *view, EvLink *link)
1405 EvLinkAction *action;
1406 EvLinkActionType type;
1411 action = ev_link_get_action (link);
1412 title = ev_link_get_title (link);
1415 return title ? g_strdup (title) : NULL;
1417 type = ev_link_action_get_action_type (action);
1420 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1421 page_label = page_label_from_dest (view,
1422 ev_link_action_get_dest (action));
1423 msg = g_strdup_printf (_("Go to page %s"), page_label);
1424 g_free (page_label);
1426 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1428 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1429 ev_link_action_get_filename (action));
1431 msg = g_strdup_printf (_("Go to file “%s”"),
1432 ev_link_action_get_filename (action));
1436 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1437 msg = g_strdup (ev_link_action_get_uri (action));
1439 case EV_LINK_ACTION_TYPE_LAUNCH:
1440 msg = g_strdup_printf (_("Launch %s"),
1441 ev_link_action_get_filename (action));
1443 case EV_LINK_ACTION_TYPE_NAMED:
1444 msg = tip_from_action_named (action);
1448 msg = g_strdup (title);
1456 handle_link_over_xy (EvView *view, gint x, gint y)
1460 link = ev_view_get_link_at_location (view, x, y);
1462 if (view->link_tooltip == NULL) {
1463 view->link_tooltip = ev_tooltip_new (GTK_WIDGET (view));
1466 if (view->hovered_link != link) {
1467 view->hovered_link = link;
1468 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
1472 char *msg = tip_from_link (view, link);
1474 if (msg && g_utf8_validate (msg, -1, NULL)) {
1475 EvTooltip *tooltip = EV_TOOLTIP (view->link_tooltip);
1477 ev_tooltip_set_position (tooltip, x, y);
1478 ev_tooltip_set_text (tooltip, msg);
1479 ev_tooltip_activate (tooltip);
1483 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1484 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1485 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1487 ev_view_set_status (view, NULL);
1488 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1489 view->cursor == EV_VIEW_CURSOR_IBEAM)
1490 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1495 /*** GtkWidget implementation ***/
1498 ev_view_size_request_continuous_dual_page (EvView *view,
1499 GtkRequisition *requisition)
1505 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1506 view->scale, &max_width);
1507 compute_border (view, max_width, max_width, &border);
1509 n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1;
1511 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
1512 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1514 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1515 requisition->width = 1;
1516 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1517 requisition->width = 1;
1518 /* FIXME: This could actually be set on one page docs or docs
1519 * with a strange aspect ratio. */
1520 /* requisition->height = 1;*/
1525 ev_view_size_request_continuous (EvView *view,
1526 GtkRequisition *requisition)
1533 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1534 view->scale, &max_width);
1535 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1536 compute_border (view, max_width, max_width, &border);
1538 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
1539 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1541 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1542 requisition->width = 1;
1543 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1544 requisition->width = 1;
1545 /* FIXME: This could actually be set on one page docs or docs
1546 * with a strange aspect ratio. */
1547 /* requisition->height = 1;*/
1552 ev_view_size_request_dual_page (EvView *view,
1553 GtkRequisition *requisition)
1558 /* Find the largest of the two. */
1559 ev_page_cache_get_size (view->page_cache,
1564 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) {
1565 gint width_2, height_2;
1566 ev_page_cache_get_size (view->page_cache,
1567 view->current_page + 1,
1570 &width_2, &height_2);
1571 if (width_2 > width) {
1576 compute_border (view, width, height, &border);
1578 requisition->width = ((width + border.left + border.right) * 2) +
1579 (view->spacing * 3);
1580 requisition->height = (height + border.top + border.bottom) +
1581 (view->spacing * 2);
1583 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1584 requisition->width = 1;
1585 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1586 requisition->width = 1;
1587 requisition->height = 1;
1592 ev_view_size_request_single_page (EvView *view,
1593 GtkRequisition *requisition)
1598 ev_page_cache_get_size (view->page_cache,
1603 compute_border (view, width, height, &border);
1605 requisition->width = width + border.left + border.right + (2 * view->spacing);
1606 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1608 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1609 requisition->width = 1;
1610 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1611 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1612 requisition->width = 1;
1613 requisition->height = 1;
1618 ev_view_size_request (GtkWidget *widget,
1619 GtkRequisition *requisition)
1621 EvView *view = EV_VIEW (widget);
1623 if (view->document == NULL) {
1624 requisition->width = 1;
1625 requisition->height = 1;
1629 if (view->presentation) {
1630 requisition->width = 1;
1631 requisition->height = 1;
1635 if (view->continuous && view->dual_page)
1636 ev_view_size_request_continuous_dual_page (view, requisition);
1637 else if (view->continuous)
1638 ev_view_size_request_continuous (view, requisition);
1639 else if (view->dual_page)
1640 ev_view_size_request_dual_page (view, requisition);
1642 ev_view_size_request_single_page (view, requisition);
1646 ev_view_size_allocate (GtkWidget *widget,
1647 GtkAllocation *allocation)
1649 EvView *view = EV_VIEW (widget);
1651 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
1652 view->sizing_mode == EV_SIZING_BEST_FIT) {
1654 g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0);
1656 ev_view_size_request (widget, &widget->requisition);
1659 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
1660 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
1663 view_update_range_and_current_page (view);
1665 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
1666 view->pending_resize = FALSE;
1668 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
1672 ev_view_realize (GtkWidget *widget)
1674 EvView *view = EV_VIEW (widget);
1675 GdkWindowAttr attributes;
1677 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
1680 attributes.window_type = GDK_WINDOW_CHILD;
1681 attributes.wclass = GDK_INPUT_OUTPUT;
1682 attributes.visual = gtk_widget_get_visual (widget);
1683 attributes.colormap = gtk_widget_get_colormap (widget);
1685 attributes.x = widget->allocation.x;
1686 attributes.y = widget->allocation.y;
1687 attributes.width = widget->allocation.width;
1688 attributes.height = widget->allocation.height;
1689 attributes.event_mask = GDK_EXPOSURE_MASK |
1690 GDK_BUTTON_PRESS_MASK |
1691 GDK_BUTTON_RELEASE_MASK |
1693 GDK_KEY_PRESS_MASK |
1694 GDK_POINTER_MOTION_MASK |
1695 GDK_POINTER_MOTION_HINT_MASK |
1696 GDK_ENTER_NOTIFY_MASK |
1697 GDK_LEAVE_NOTIFY_MASK;
1699 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
1701 GDK_WA_X | GDK_WA_Y |
1704 gdk_window_set_user_data (widget->window, widget);
1705 widget->style = gtk_style_attach (widget->style, widget->window);
1707 if (view->presentation)
1708 gdk_window_set_background (widget->window, &widget->style->black);
1710 gdk_window_set_background (widget->window, &widget->style->mid [GTK_STATE_NORMAL]);
1714 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
1716 EvView *view = EV_VIEW (widget);
1719 state = event->state & gtk_accelerator_get_default_mod_mask ();
1721 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
1722 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1724 if (event->direction == GDK_SCROLL_UP ||
1725 event->direction == GDK_SCROLL_LEFT) {
1726 if (ev_view_can_zoom_in (view)) {
1727 ev_view_zoom_in (view);
1730 if (ev_view_can_zoom_out (view)) {
1731 ev_view_zoom_out (view);
1738 view->jump_to_find_result = FALSE;
1739 /* Shift+Wheel scrolls the in the perpendicular direction */
1740 if (state & GDK_SHIFT_MASK) {
1741 if (event->direction == GDK_SCROLL_UP)
1742 event->direction = GDK_SCROLL_LEFT;
1743 if (event->direction == GDK_SCROLL_LEFT)
1744 event->direction = GDK_SCROLL_UP;
1745 if (event->direction == GDK_SCROLL_DOWN)
1746 event->direction = GDK_SCROLL_RIGHT;
1747 if (event->direction == GDK_SCROLL_RIGHT)
1748 event->direction = GDK_SCROLL_DOWN;
1750 event->state &= ~GDK_SHIFT_MASK;
1751 state &= ~GDK_SHIFT_MASK;
1754 if (state == 0 && view->presentation) {
1755 switch (event->direction) {
1756 case GDK_SCROLL_DOWN:
1757 case GDK_SCROLL_RIGHT:
1758 ev_view_next_page (view);
1761 case GDK_SCROLL_LEFT:
1762 ev_view_previous_page (view);
1772 static EvViewSelection *
1773 find_selection_for_page (EvView *view,
1778 for (list = view->selection_info.selections; list != NULL; list = list->next) {
1779 EvViewSelection *selection;
1781 selection = (EvViewSelection *) list->data;
1783 if (selection->page == page)
1791 draw_end_presentation_page (EvView *view,
1792 GdkRectangle *page_area)
1794 PangoLayout *layout;
1795 PangoFontDescription *font_desc;
1797 const gchar *text = _("End of presentation. Press Escape to exit.");
1799 if (view->presentation_state != EV_PRESENTATION_END)
1802 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), NULL);
1803 markup = g_strdup_printf ("<span foreground=\"white\">%s</span>", text);
1804 pango_layout_set_markup (layout, markup, -1);
1807 font_desc = pango_font_description_new ();
1808 pango_font_description_set_size (font_desc, 16 * PANGO_SCALE);
1809 pango_layout_set_font_description (layout, font_desc);
1811 gtk_paint_layout (GTK_WIDGET (view)->style,
1812 GTK_WIDGET (view)->window,
1813 GTK_WIDGET_STATE (view),
1822 pango_font_description_free (font_desc);
1823 g_object_unref (layout);
1827 ev_view_expose_event (GtkWidget *widget,
1828 GdkEventExpose *event)
1830 EvView *view = EV_VIEW (widget);
1833 if (view->presentation) {
1834 switch (view->presentation_state) {
1835 case EV_PRESENTATION_END: {
1836 GdkRectangle area = {0};
1838 area.width = widget->allocation.width;
1839 area.height = widget->allocation.height;
1841 draw_end_presentation_page (view, &area);
1844 case EV_PRESENTATION_BLACK:
1845 case EV_PRESENTATION_WHITE:
1847 case EV_PRESENTATION_NORMAL:
1853 if (view->loading) {
1854 GdkRectangle area = {0};
1856 area.width = widget->allocation.width;
1857 area.height = widget->allocation.height;
1859 draw_loading_text (view,
1864 if (view->document == NULL)
1867 for (i = view->start_page; i <= view->end_page; i++) {
1868 GdkRectangle page_area;
1870 gboolean page_ready = TRUE;
1872 if (!get_page_extents (view, i, &page_area, &border))
1875 page_area.x -= view->scroll_x;
1876 page_area.y -= view->scroll_y;
1878 draw_one_page (view, i, &page_area, &border, &(event->area), &page_ready);
1880 if (page_ready && EV_IS_DOCUMENT_FIND (view->document))
1881 highlight_find_results (view, i);
1888 ev_view_popup_menu (GtkWidget *widget)
1892 EvView *view = EV_VIEW (widget);
1894 gtk_widget_get_pointer (widget, &x, &y);
1895 link = ev_view_get_link_at_location (view, x, y);
1896 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
1901 ev_view_button_press_event (GtkWidget *widget,
1902 GdkEventButton *event)
1904 EvView *view = EV_VIEW (widget);
1907 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
1908 gtk_widget_grab_focus (widget);
1911 view->pressed_button = event->button;
1912 view->selection_info.in_drag = FALSE;
1914 switch (event->button) {
1916 if (view->selection_info.selections) {
1917 if (location_in_selected_text (view,
1918 event->x + view->scroll_x,
1919 event->y + view->scroll_y)) {
1920 view->selection_info.in_drag = TRUE;
1922 clear_selection (view);
1925 gtk_widget_queue_draw (widget);
1928 view->selection_info.start.x = event->x + view->scroll_x;
1929 view->selection_info.start.y = event->y + view->scroll_y;
1933 /* use root coordinates as reference point because
1934 * scrolling changes window relative coordinates */
1935 view->drag_info.start.x = event->x_root;
1936 view->drag_info.start.y = event->y_root;
1937 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
1938 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
1940 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1944 link = ev_view_get_link_at_location (view, event->x, event->y);
1945 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
1953 ev_view_drag_data_get (GtkWidget *widget,
1954 GdkDragContext *context,
1955 GtkSelectionData *selection_data,
1959 EvView *view = EV_VIEW (widget);
1961 if (view->selection_info.selections &&
1962 ev_document_can_get_text (view->document)) {
1965 text = get_selected_text (view);
1967 gtk_selection_data_set_text (selection_data, text, strlen (text));
1974 selection_update_idle_cb (EvView *view)
1976 compute_selections (view, &view->selection_info.start, &view->motion);
1977 view->selection_update_id = 0;
1982 selection_scroll_timeout_cb (EvView *view)
1984 gint x, y, shift = 0;
1985 GtkWidget *widget = GTK_WIDGET (view);
1987 gtk_widget_get_pointer (widget, &x, &y);
1989 if (y > widget->allocation.height) {
1990 shift = (y - widget->allocation.height) / 2;
1996 gtk_adjustment_set_value (view->vadjustment,
1997 CLAMP (view->vadjustment->value + shift,
1998 view->vadjustment->lower,
1999 view->vadjustment->upper -
2000 view->vadjustment->page_size));
2002 if (x > widget->allocation.width) {
2003 shift = (x - widget->allocation.width) / 2;
2009 gtk_adjustment_set_value (view->hadjustment,
2010 CLAMP (view->hadjustment->value + shift,
2011 view->hadjustment->lower,
2012 view->hadjustment->upper -
2013 view->hadjustment->page_size));
2019 ev_view_motion_notify_event (GtkWidget *widget,
2020 GdkEventMotion *event)
2022 EvView *view = EV_VIEW (widget);
2025 if (!view->document)
2028 if (event->is_hint || event->window != widget->window) {
2029 gtk_widget_get_pointer (widget, &x, &y);
2035 if (view->selection_info.in_drag) {
2036 if (gtk_drag_check_threshold (widget,
2037 view->selection_info.start.x,
2038 view->selection_info.start.y,
2040 GdkDragContext *context;
2041 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
2043 gtk_target_list_add_text_targets (target_list, 0);
2045 context = gtk_drag_begin (widget, target_list,
2047 1, (GdkEvent *)event);
2049 view->selection_info.in_drag = FALSE;
2051 gtk_target_list_unref (target_list);
2057 /* For the Evince 0.4.x release, we limit selection to un-rotated
2060 if (view->pressed_button == 1 && view->rotation == 0) {
2062 /* Schedule timeout to scroll during selection and additionally
2063 * scroll once to allow arbitrary speed. */
2064 if (!view->selection_scroll_id)
2065 view->selection_scroll_id = g_timeout_add (SCROLL_TIME, (GSourceFunc)selection_scroll_timeout_cb, view);
2067 selection_scroll_timeout_cb (view);
2069 view->selection_info.in_selection = TRUE;
2070 view->motion.x = x + view->scroll_x;
2071 view->motion.y = y + view->scroll_y;
2073 /* Queue an idle to handle the motion. We do this because
2074 * handling any selection events in the motion could be slower
2075 * than new motion events reach us. We always put it in the
2076 * idle to make sure we catch up and don't visibly lag the
2078 if (!view->selection_update_id)
2079 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
2082 } else if (view->pressed_button == 2) {
2083 if (!view->drag_info.in_drag) {
2086 start = gtk_drag_check_threshold (widget,
2087 view->drag_info.start.x,
2088 view->drag_info.start.y,
2091 view->drag_info.in_drag = start;
2094 if (view->drag_info.in_drag) {
2096 gdouble dhadj_value, dvadj_value;
2098 dx = event->x_root - view->drag_info.start.x;
2099 dy = event->y_root - view->drag_info.start.y;
2101 dhadj_value = view->hadjustment->page_size *
2102 (gdouble)dx / widget->allocation.width;
2103 dvadj_value = view->vadjustment->page_size *
2104 (gdouble)dy / widget->allocation.height;
2106 /* clamp scrolling to visible area */
2107 gtk_adjustment_set_value (view->hadjustment,
2108 MIN(view->drag_info.hadj - dhadj_value,
2109 view->hadjustment->upper -
2110 view->hadjustment->page_size));
2111 gtk_adjustment_set_value (view->vadjustment,
2112 MIN(view->drag_info.vadj - dvadj_value,
2113 view->vadjustment->upper -
2114 view->vadjustment->page_size));
2118 } else if (view->pressed_button <= 0) {
2119 handle_link_over_xy (view, x, y);
2127 ev_view_button_release_event (GtkWidget *widget,
2128 GdkEventButton *event)
2130 EvView *view = EV_VIEW (widget);
2133 if (view->pressed_button == 2) {
2134 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
2137 if (view->document && view->pressed_button == 1) {
2138 link = ev_view_get_link_at_location (view, event->x, event->y);
2143 view->pressed_button = -1;
2144 view->drag_info.in_drag = FALSE;
2146 if (view->selection_scroll_id) {
2147 g_source_remove (view->selection_scroll_id);
2148 view->selection_scroll_id = 0;
2150 if (view->selection_update_id) {
2151 g_source_remove (view->selection_update_id);
2152 view->selection_update_id = 0;
2155 if (view->selection_info.selections) {
2156 ev_view_update_primary_selection (view);
2158 if (view->selection_info.in_drag) {
2159 clear_selection (view);
2160 gtk_widget_queue_draw (widget);
2163 view->selection_info.in_drag = FALSE;
2165 ev_view_handle_link (view, link);
2166 } else if (view->presentation) {
2167 switch (event->button) {
2169 ev_view_next_page (view);
2172 ev_view_previous_page (view);
2181 /* Cut and paste from gtkwindow.c */
2183 send_focus_change (GtkWidget *widget,
2186 GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE);
2188 g_object_ref (widget);
2191 GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
2193 GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
2195 fevent->focus_change.type = GDK_FOCUS_CHANGE;
2196 fevent->focus_change.window = g_object_ref (widget->window);
2197 fevent->focus_change.in = in;
2199 gtk_widget_event (widget, fevent);
2201 g_object_notify (G_OBJECT (widget), "has-focus");
2203 g_object_unref (widget);
2204 gdk_event_free (fevent);
2208 ev_view_goto_window_hide (EvView *view)
2210 /* send focus-in event */
2211 send_focus_change (view->goto_entry, FALSE);
2212 gtk_widget_hide (view->goto_window);
2213 gtk_entry_set_text (GTK_ENTRY (view->goto_entry), "");
2217 ev_view_goto_window_delete_event (GtkWidget *widget,
2221 ev_view_goto_window_hide (view);
2227 key_is_numeric (guint keyval)
2229 return ((keyval >= GDK_0 && keyval <= GDK_9) ||
2230 (keyval >= GDK_KP_0 && keyval <= GDK_KP_9));
2234 ev_view_goto_window_key_press_event (GtkWidget *widget,
2238 switch (event->keyval) {
2242 case GDK_ISO_Left_Tab:
2243 ev_view_goto_window_hide (view);
2250 if (!key_is_numeric (event->keyval))
2258 ev_view_goto_window_button_press_event (GtkWidget *widget,
2259 GdkEventButton *event,
2262 ev_view_goto_window_hide (view);
2268 ev_view_goto_entry_activate (GtkEntry *entry,
2274 text = gtk_entry_get_text (entry);
2275 page = atoi (text) - 1;
2277 ev_view_goto_window_hide (view);
2280 page < ev_page_cache_get_n_pages (view->page_cache))
2281 ev_page_cache_set_current_page (view->page_cache, page);
2285 ev_view_goto_window_create (EvView *view)
2287 GtkWidget *frame, *vbox, *toplevel;
2289 toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view));
2291 if (view->goto_window) {
2292 if (GTK_WINDOW (toplevel)->group)
2293 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
2294 GTK_WINDOW (view->goto_window));
2295 else if (GTK_WINDOW (view->goto_window)->group)
2296 gtk_window_group_remove_window (GTK_WINDOW (view->goto_window)->group,
2297 GTK_WINDOW (view->goto_window));
2301 view->goto_window = gtk_window_new (GTK_WINDOW_POPUP);
2303 if (GTK_WINDOW (toplevel)->group)
2304 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
2305 GTK_WINDOW (view->goto_window));
2307 gtk_window_set_modal (GTK_WINDOW (view->goto_window), TRUE);
2309 g_signal_connect (view->goto_window, "delete_event",
2310 G_CALLBACK (ev_view_goto_window_delete_event),
2312 g_signal_connect (view->goto_window, "key_press_event",
2313 G_CALLBACK (ev_view_goto_window_key_press_event),
2315 g_signal_connect (view->goto_window, "button_press_event",
2316 G_CALLBACK (ev_view_goto_window_button_press_event),
2319 frame = gtk_frame_new (NULL);
2320 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
2321 gtk_container_add (GTK_CONTAINER (view->goto_window), frame);
2322 gtk_widget_show (frame);
2324 vbox = gtk_vbox_new (FALSE, 0);
2325 gtk_container_set_border_width (GTK_CONTAINER (vbox), 3);
2326 gtk_container_add (GTK_CONTAINER (frame), vbox);
2327 gtk_widget_show (vbox);
2329 view->goto_entry = gtk_entry_new ();
2330 g_signal_connect (view->goto_entry, "activate",
2331 G_CALLBACK (ev_view_goto_entry_activate),
2333 gtk_container_add (GTK_CONTAINER (vbox), view->goto_entry);
2334 gtk_widget_show (view->goto_entry);
2335 gtk_widget_realize (view->goto_entry);
2339 ev_view_goto_entry_grab_focus (EvView *view)
2341 GtkWidgetClass *entry_parent_class;
2343 entry_parent_class = g_type_class_peek_parent (GTK_ENTRY_GET_CLASS (view->goto_entry));
2344 (entry_parent_class->grab_focus) (view->goto_entry);
2346 send_focus_change (view->goto_entry, TRUE);
2350 ev_view_goto_window_send_key_event (EvView *view,
2353 GdkEventKey *new_event;
2356 /* Move goto window off screen */
2357 screen = gtk_widget_get_screen (GTK_WIDGET (view));
2358 gtk_window_move (GTK_WINDOW (view->goto_window),
2359 gdk_screen_get_width (screen) + 1,
2360 gdk_screen_get_height (screen) + 1);
2361 gtk_widget_show (view->goto_window);
2363 new_event = (GdkEventKey *) gdk_event_copy (event);
2364 g_object_unref (new_event->window);
2365 new_event->window = g_object_ref (view->goto_window->window);
2366 gtk_widget_realize (view->goto_window);
2368 gtk_widget_event (view->goto_window, (GdkEvent *)new_event);
2369 gdk_event_free ((GdkEvent *)new_event);
2370 gtk_widget_hide (view->goto_window);
2374 ev_view_key_press_event (GtkWidget *widget,
2377 EvView *view = EV_VIEW (widget);
2378 EvPresentationState current;
2380 if (!view->presentation ||
2381 view->presentation_state == EV_PRESENTATION_END)
2382 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
2385 current = view->presentation_state;
2387 switch (event->keyval) {
2390 view->presentation_state =
2391 (view->presentation_state == EV_PRESENTATION_BLACK) ?
2392 EV_PRESENTATION_NORMAL : EV_PRESENTATION_BLACK;
2396 view->presentation_state =
2397 (view->presentation_state == EV_PRESENTATION_WHITE) ?
2398 EV_PRESENTATION_NORMAL : EV_PRESENTATION_WHITE;
2401 if (view->presentation_state == EV_PRESENTATION_BLACK ||
2402 view->presentation_state == EV_PRESENTATION_WHITE) {
2403 view->presentation_state = EV_PRESENTATION_NORMAL;
2407 if (current == view->presentation_state) {
2408 if (ev_page_cache_get_n_pages (view->page_cache) > 1 &&
2409 key_is_numeric (event->keyval)) {
2412 ev_view_goto_window_create (view);
2413 ev_view_goto_window_send_key_event (view, (GdkEvent *)event);
2414 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
2415 gtk_window_move (GTK_WINDOW (view->goto_window), x, y);
2416 gtk_widget_show (view->goto_window);
2417 ev_view_goto_entry_grab_focus (view);
2422 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
2425 switch (view->presentation_state) {
2426 case EV_PRESENTATION_NORMAL:
2427 case EV_PRESENTATION_BLACK:
2428 gdk_window_set_background (widget->window,
2429 &widget->style->black);
2431 case EV_PRESENTATION_WHITE:
2432 gdk_window_set_background (widget->window,
2433 &widget->style->white);
2436 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
2439 gtk_widget_queue_draw (widget);
2444 ev_view_focus_in (GtkWidget *widget,
2445 GdkEventFocus *event)
2447 if (EV_VIEW (widget)->pixbuf_cache)
2448 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
2449 gtk_widget_queue_draw (widget);
2455 ev_view_focus_out (GtkWidget *widget,
2456 GdkEventFocus *event)
2458 if (EV_VIEW (widget)->goto_window)
2459 ev_view_goto_window_hide (EV_VIEW (widget));
2461 if (EV_VIEW (widget)->pixbuf_cache)
2462 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
2463 gtk_widget_queue_draw (widget);
2469 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
2471 EvView *view = EV_VIEW (widget);
2473 ev_view_set_status (view, NULL);
2475 if (view->cursor == EV_VIEW_CURSOR_LINK ||
2476 view->cursor == EV_VIEW_CURSOR_IBEAM)
2477 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
2479 if (view->link_tooltip) {
2480 view->hovered_link = NULL;
2481 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
2488 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
2490 EvView *view = EV_VIEW (widget);
2492 handle_link_over_xy (view, event->x, event->y);
2498 ev_view_style_set (GtkWidget *widget,
2499 GtkStyle *old_style)
2501 if (EV_VIEW (widget)->pixbuf_cache)
2502 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
2504 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
2510 ev_gdk_color_to_rgb (const GdkColor *color)
2513 result = (0xff0000 | (color->red & 0xff00));
2515 result |= ((color->green & 0xff00) | (color->blue >> 8));
2520 draw_rubberband (GtkWidget *widget, GdkWindow *window,
2521 const GdkRectangle *rect, guchar alpha)
2525 GdkColor *fill_color_gdk;
2528 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
2529 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
2531 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
2532 rect->width, rect->height);
2533 gdk_pixbuf_fill (pixbuf, fill_color);
2535 gdk_draw_pixbuf (window, NULL, pixbuf,
2537 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
2538 rect->width, rect->height,
2539 GDK_RGB_DITHER_NONE,
2542 g_object_unref (pixbuf);
2544 gc = gdk_gc_new (window);
2545 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
2546 gdk_draw_rectangle (window, gc, FALSE,
2547 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
2550 g_object_unref (gc);
2552 gdk_color_free (fill_color_gdk);
2557 highlight_find_results (EvView *view, int page)
2559 EvDocumentFind *find;
2562 g_return_if_fail (EV_IS_DOCUMENT_FIND (view->document));
2564 find = EV_DOCUMENT_FIND (view->document);
2566 results = ev_document_find_get_n_results (find, page);
2568 for (i = 0; i < results; i++) {
2569 EvRectangle rectangle;
2570 GdkRectangle view_rectangle;
2573 if (i == view->find_result && page == view->current_page) {
2579 ev_document_find_get_result (find, page, i, &rectangle);
2580 doc_rect_to_view_rect (view, page, &rectangle, &view_rectangle);
2581 draw_rubberband (GTK_WIDGET (view), GTK_WIDGET(view)->window,
2582 &view_rectangle, alpha);
2587 draw_loading_text (EvView *view,
2588 GdkRectangle *page_area,
2589 GdkRectangle *expose_area)
2591 const char *loading_text;
2592 PangoLayout *layout;
2593 PangoFontDescription *font_desc;
2594 PangoRectangle logical_rect;
2598 /* Don't annoy users with loading messages during presentations.
2599 * FIXME: Temporary "workaround" for
2600 * http://bugzilla.gnome.org/show_bug.cgi?id=320352 */
2601 if (view->presentation)
2604 loading_text = _("Loading...");
2606 ev_document_fc_mutex_lock ();
2608 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
2610 font_desc = pango_font_description_new ();
2613 /* We set the font to be 10 points, get the size, and scale appropriately */
2614 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
2615 pango_layout_set_font_description (layout, font_desc);
2616 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2618 /* Make sure we fit the middle of the page */
2619 target_width = MAX (page_area->width / 2, 1);
2620 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
2621 pango_font_description_set_size (font_desc, (int)real_scale);
2622 pango_layout_set_font_description (layout, font_desc);
2623 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2625 gtk_paint_layout (GTK_WIDGET (view)->style,
2626 GTK_WIDGET (view)->window,
2627 GTK_WIDGET_STATE (view),
2632 page_area->x + (target_width/2),
2633 page_area->y + (page_area->height - logical_rect.height) / 2,
2636 pango_font_description_free (font_desc);
2637 g_object_unref (layout);
2639 ev_document_fc_mutex_unlock ();
2643 draw_one_page (EvView *view,
2645 GdkRectangle *page_area,
2647 GdkRectangle *expose_area,
2648 gboolean *page_ready)
2651 GdkPixbuf *current_pixbuf;
2652 GdkRectangle overlap;
2653 GdkRectangle real_page_area;
2654 EvViewSelection *selection;
2657 g_assert (view->document);
2659 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
2662 current_page = ev_page_cache_get_current_page (view->page_cache);
2663 selection = find_selection_for_page (view, page);
2664 ev_page_cache_get_size (view->page_cache,
2665 page, view->rotation,
2668 /* Render the document itself */
2669 real_page_area = *page_area;
2671 real_page_area.x += border->left;
2672 real_page_area.y += border->top;
2673 real_page_area.width -= (border->left + border->right);
2674 real_page_area.height -= (border->top + border->bottom);
2677 ev_document_misc_paint_one_page (GTK_WIDGET(view)->window,
2680 page == current_page);
2682 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
2683 GdkPixbuf *selection_pixbuf = NULL;
2684 GdkPixbuf *scaled_image;
2685 GdkPixbuf *scaled_selection;
2687 current_pixbuf = ev_pixbuf_cache_get_pixbuf (view->pixbuf_cache, page);
2689 /* Get the selection pixbuf iff we have something to draw */
2690 if (current_pixbuf && view->selection_mode == EV_VIEW_SELECTION_TEXT && selection)
2691 selection_pixbuf = ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
2696 if (current_pixbuf == NULL)
2697 scaled_image = NULL;
2698 else if (width == gdk_pixbuf_get_width (current_pixbuf) &&
2699 height == gdk_pixbuf_get_height (current_pixbuf))
2700 scaled_image = g_object_ref (current_pixbuf);
2702 /* FIXME: We don't want to scale the whole area, just the right
2704 scaled_image = gdk_pixbuf_scale_simple (current_pixbuf,
2706 GDK_INTERP_NEAREST);
2708 if (selection_pixbuf == NULL)
2709 scaled_selection = NULL;
2710 else if (width == gdk_pixbuf_get_width (selection_pixbuf) &&
2711 height == gdk_pixbuf_get_height (selection_pixbuf))
2712 scaled_selection = g_object_ref (selection_pixbuf);
2714 /* FIXME: We don't want to scale the whole area, just the right
2716 scaled_selection = gdk_pixbuf_scale_simple (selection_pixbuf,
2718 GDK_INTERP_NEAREST);
2721 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2722 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2724 overlap.x - real_page_area.x,
2725 overlap.y - real_page_area.y,
2726 overlap.x, overlap.y,
2727 overlap.width, overlap.height,
2728 GDK_RGB_DITHER_NORMAL,
2730 g_object_unref (scaled_image);
2732 draw_loading_text (view,
2735 *page_ready = FALSE;
2738 if (scaled_selection) {
2739 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2740 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2742 overlap.x - real_page_area.x,
2743 overlap.y - real_page_area.y,
2744 overlap.x, overlap.y,
2745 overlap.width, overlap.height,
2746 GDK_RGB_DITHER_NORMAL,
2748 g_object_unref (scaled_selection);
2753 /*** GObject functions ***/
2756 ev_view_finalize (GObject *object)
2758 EvView *view = EV_VIEW (object);
2762 g_free (view->status);
2763 g_free (view->find_status);
2765 clear_selection (view);
2767 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
2771 ev_view_destroy (GtkObject *object)
2773 EvView *view = EV_VIEW (object);
2775 if (view->document) {
2776 g_object_unref (view->document);
2777 view->document = NULL;
2780 if (view->pixbuf_cache) {
2781 g_object_unref (view->pixbuf_cache);
2782 view->pixbuf_cache = NULL;
2785 if (view->link_tooltip) {
2786 gtk_widget_destroy (view->link_tooltip);
2787 view->link_tooltip = NULL;
2790 if (view->goto_window) {
2791 gtk_widget_destroy (view->goto_window);
2792 view->goto_window = NULL;
2793 view->goto_entry = NULL;
2796 if (view->selection_scroll_id) {
2797 g_source_remove (view->selection_scroll_id);
2798 view->selection_scroll_id = 0;
2801 if (view->selection_update_id) {
2802 g_source_remove (view->selection_update_id);
2803 view->selection_update_id = 0;
2806 ev_view_set_scroll_adjustments (view, NULL, NULL);
2808 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
2812 ev_view_set_property (GObject *object,
2814 const GValue *value,
2817 EvView *view = EV_VIEW (object);
2820 case PROP_CONTINUOUS:
2821 ev_view_set_continuous (view, g_value_get_boolean (value));
2823 case PROP_DUAL_PAGE:
2824 ev_view_set_dual_page (view, g_value_get_boolean (value));
2826 case PROP_FULLSCREEN:
2827 ev_view_set_fullscreen (view, g_value_get_boolean (value));
2829 case PROP_PRESENTATION:
2830 ev_view_set_presentation (view, g_value_get_boolean (value));
2832 case PROP_SIZING_MODE:
2833 ev_view_set_sizing_mode (view, g_value_get_enum (value));
2836 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
2839 ev_view_set_rotation (view, g_value_get_int (value));
2842 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2847 ev_view_get_accessible (GtkWidget *widget)
2849 static gboolean first_time = TRUE;
2852 AtkObjectFactory *factory;
2853 AtkRegistry *registry;
2855 GType derived_atk_type;
2858 * Figure out whether accessibility is enabled by looking at the
2859 * type of the accessible object which would be created for
2860 * the parent type of EvView.
2862 derived_type = g_type_parent (EV_TYPE_VIEW);
2864 registry = atk_get_default_registry ();
2865 factory = atk_registry_get_factory (registry,
2867 derived_atk_type = atk_object_factory_get_accessible_type (factory);
2868 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
2869 atk_registry_set_factory_type (registry,
2871 ev_view_accessible_factory_get_type ());
2874 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
2878 ev_view_get_property (GObject *object,
2883 EvView *view = EV_VIEW (object);
2887 g_value_set_string (value, view->status);
2889 case PROP_FIND_STATUS:
2890 g_value_set_string (value, view->status);
2892 case PROP_CONTINUOUS:
2893 g_value_set_boolean (value, view->continuous);
2895 case PROP_DUAL_PAGE:
2896 g_value_set_boolean (value, view->dual_page);
2898 case PROP_FULLSCREEN:
2899 g_value_set_boolean (value, view->fullscreen);
2901 case PROP_PRESENTATION:
2902 g_value_set_boolean (value, view->presentation);
2904 case PROP_SIZING_MODE:
2905 g_value_set_enum (value, view->sizing_mode);
2908 g_value_set_double (value, view->scale);
2911 g_value_set_int (value, view->rotation);
2913 case PROP_HAS_SELECTION:
2914 g_value_set_boolean (value,
2915 view->selection_info.selections != NULL);
2918 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2923 ev_view_class_init (EvViewClass *class)
2925 GObjectClass *object_class = G_OBJECT_CLASS (class);
2926 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
2927 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
2928 GtkBindingSet *binding_set;
2930 object_class->finalize = ev_view_finalize;
2931 object_class->set_property = ev_view_set_property;
2932 object_class->get_property = ev_view_get_property;
2934 widget_class->expose_event = ev_view_expose_event;
2935 widget_class->button_press_event = ev_view_button_press_event;
2936 widget_class->motion_notify_event = ev_view_motion_notify_event;
2937 widget_class->button_release_event = ev_view_button_release_event;
2938 widget_class->key_press_event = ev_view_key_press_event;
2939 widget_class->focus_in_event = ev_view_focus_in;
2940 widget_class->focus_out_event = ev_view_focus_out;
2941 widget_class->get_accessible = ev_view_get_accessible;
2942 widget_class->size_request = ev_view_size_request;
2943 widget_class->size_allocate = ev_view_size_allocate;
2944 widget_class->realize = ev_view_realize;
2945 widget_class->scroll_event = ev_view_scroll_event;
2946 widget_class->enter_notify_event = ev_view_enter_notify_event;
2947 widget_class->leave_notify_event = ev_view_leave_notify_event;
2948 widget_class->style_set = ev_view_style_set;
2949 widget_class->drag_data_get = ev_view_drag_data_get;
2950 widget_class->popup_menu = ev_view_popup_menu;
2951 gtk_object_class->destroy = ev_view_destroy;
2953 class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
2954 class->binding_activated = ev_view_scroll;
2956 widget_class->set_scroll_adjustments_signal =
2957 g_signal_new ("set-scroll-adjustments",
2958 G_OBJECT_CLASS_TYPE (object_class),
2959 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2960 G_STRUCT_OFFSET (EvViewClass, set_scroll_adjustments),
2962 ev_marshal_VOID__OBJECT_OBJECT,
2964 GTK_TYPE_ADJUSTMENT,
2965 GTK_TYPE_ADJUSTMENT);
2967 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
2968 G_TYPE_FROM_CLASS (object_class),
2969 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2970 G_STRUCT_OFFSET (EvViewClass, binding_activated),
2972 ev_marshal_VOID__ENUM_BOOLEAN,
2974 GTK_TYPE_SCROLL_TYPE,
2977 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
2978 G_TYPE_FROM_CLASS (object_class),
2979 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2980 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
2982 ev_marshal_VOID__VOID,
2983 G_TYPE_NONE, 0, G_TYPE_NONE);
2984 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
2985 G_TYPE_FROM_CLASS (object_class),
2986 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2987 G_STRUCT_OFFSET (EvViewClass, external_link),
2989 g_cclosure_marshal_VOID__OBJECT,
2992 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
2993 G_TYPE_FROM_CLASS (object_class),
2994 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2995 G_STRUCT_OFFSET (EvViewClass, popup_menu),
2997 g_cclosure_marshal_VOID__OBJECT,
3001 g_object_class_install_property (object_class,
3003 g_param_spec_string ("status",
3005 "The status message",
3009 g_object_class_install_property (object_class,
3011 g_param_spec_string ("find-status",
3012 "Find Status Message",
3013 "The find status message",
3017 g_object_class_install_property (object_class,
3019 g_param_spec_boolean ("continuous",
3021 "Continuous scrolling mode",
3023 G_PARAM_READWRITE));
3025 g_object_class_install_property (object_class,
3027 g_param_spec_boolean ("dual-page",
3029 "Two pages visible at once",
3031 G_PARAM_READWRITE));
3032 g_object_class_install_property (object_class,
3034 g_param_spec_boolean ("fullscreen",
3036 "Draw page in a fullscreen fashion",
3038 G_PARAM_READWRITE));
3039 g_object_class_install_property (object_class,
3041 g_param_spec_boolean ("presentation",
3043 "Draw page in presentation mode",
3045 G_PARAM_READWRITE));
3047 g_object_class_install_property (object_class,
3049 g_param_spec_enum ("sizing-mode",
3052 EV_TYPE_SIZING_MODE,
3053 EV_SIZING_FIT_WIDTH,
3054 G_PARAM_READWRITE));
3056 g_object_class_install_property (object_class,
3058 g_param_spec_double ("zoom",
3064 G_PARAM_READWRITE));
3065 g_object_class_install_property (object_class,
3067 g_param_spec_double ("rotation",
3073 G_PARAM_READWRITE));
3074 g_object_class_install_property (object_class,
3076 g_param_spec_boolean ("has-selection",
3078 "The view has selections",
3082 binding_set = gtk_binding_set_by_class (class);
3084 add_scroll_binding_keypad (binding_set, GDK_Left, 0, EV_SCROLL_STEP_BACKWARD, TRUE);
3085 add_scroll_binding_keypad (binding_set, GDK_Right, 0, EV_SCROLL_STEP_FORWARD, TRUE);
3086 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, TRUE);
3087 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, TRUE);
3088 add_scroll_binding_keypad (binding_set, GDK_Up, 0, EV_SCROLL_STEP_BACKWARD, FALSE);
3089 add_scroll_binding_keypad (binding_set, GDK_Down, 0, EV_SCROLL_STEP_FORWARD, FALSE);
3090 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, FALSE);
3091 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, FALSE);
3095 ev_view_init (EvView *view)
3097 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
3101 view->current_page = 0;
3102 view->pressed_button = -1;
3103 view->cursor = EV_VIEW_CURSOR_NORMAL;
3104 view->drag_info.in_drag = FALSE;
3105 view->selection_info.selections = NULL;
3106 view->selection_info.in_selection = FALSE;
3107 view->selection_info.in_drag = FALSE;
3108 view->selection_mode = EV_VIEW_SELECTION_TEXT;
3109 view->continuous = TRUE;
3110 view->dual_page = FALSE;
3111 view->presentation = FALSE;
3112 view->presentation_state = EV_PRESENTATION_NORMAL;
3113 view->fullscreen = FALSE;
3114 view->sizing_mode = EV_SIZING_FIT_WIDTH;
3115 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
3116 view->jump_to_find_result = TRUE;
3122 find_changed_cb (EvDocument *document, int page, EvView *view)
3127 percent = ev_document_find_get_progress
3128 (EV_DOCUMENT_FIND (view->document));
3129 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3131 if (view->jump_to_find_result == TRUE) {
3132 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
3133 jump_to_find_result (view);
3135 update_find_status_message (view, percent * n_pages >= n_pages - 1 );
3136 if (view->current_page == page)
3137 gtk_widget_queue_draw (GTK_WIDGET (view));
3141 job_finished_cb (EvPixbufCache *pixbuf_cache,
3144 gtk_widget_queue_draw (GTK_WIDGET (view));
3148 page_changed_cb (EvPageCache *page_cache,
3152 if (view->current_page != new_page) {
3153 view->current_page = new_page;
3154 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
3155 gtk_widget_queue_resize (GTK_WIDGET (view));
3157 gtk_widget_queue_draw (GTK_WIDGET (view));
3160 if (EV_IS_DOCUMENT_FIND (view->document)) {
3161 view->find_result = 0;
3162 update_find_status_message (view, TRUE);
3166 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
3171 if (! GTK_WIDGET_REALIZED (view))
3174 if (view->hadjustment) {
3175 dx = view->scroll_x - (int) view->hadjustment->value;
3176 view->scroll_x = (int) view->hadjustment->value;
3181 if (view->vadjustment) {
3182 dy = view->scroll_y - (int) view->vadjustment->value;
3183 view->scroll_y = (int) view->vadjustment->value;
3189 if (view->pending_resize)
3190 gtk_widget_queue_draw (GTK_WIDGET (view));
3192 gdk_window_scroll (GTK_WIDGET (view)->window, dx, dy);
3196 view_update_range_and_current_page (view);
3204 view = g_object_new (EV_TYPE_VIEW, NULL);
3210 setup_caches (EvView *view)
3212 view->page_cache = ev_page_cache_get (view->document);
3213 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
3214 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
3215 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
3219 clear_caches (EvView *view)
3221 if (view->pixbuf_cache) {
3222 g_object_unref (view->pixbuf_cache);
3223 view->pixbuf_cache = NULL;
3226 if (view->page_cache) {
3227 view->page_cache = NULL;
3232 ev_view_set_loading (EvView *view,
3235 view->loading = loading;
3236 gtk_widget_queue_draw (GTK_WIDGET (view));
3240 ev_view_set_document (EvView *view,
3241 EvDocument *document)
3243 g_return_if_fail (EV_IS_VIEW (view));
3245 view->loading = FALSE;
3247 if (document != view->document) {
3248 clear_caches (view);
3250 if (view->document) {
3251 g_signal_handlers_disconnect_by_func (view->document,
3254 g_object_unref (view->document);
3255 view->page_cache = NULL;
3259 view->document = document;
3260 view->find_result = 0;
3262 if (view->document) {
3263 g_object_ref (view->document);
3264 if (EV_IS_DOCUMENT_FIND (view->document)) {
3265 g_signal_connect (view->document,
3267 G_CALLBACK (find_changed_cb),
3271 setup_caches (view);
3274 gtk_widget_queue_resize (GTK_WIDGET (view));
3278 /*** Zoom and sizing mode ***/
3280 #define EPSILON 0.0000001
3282 ev_view_set_zoom (EvView *view,
3289 scale = view->scale * factor;
3293 scale = CLAMP (scale, MIN_SCALE, MAX_SCALE);
3295 if (ABS (view->scale - scale) < EPSILON)
3298 view->scale = scale;
3299 view->pending_resize = TRUE;
3301 gtk_widget_queue_resize (GTK_WIDGET (view));
3303 g_object_notify (G_OBJECT (view), "zoom");
3307 ev_view_get_zoom (EvView *view)
3313 ev_view_get_continuous (EvView *view)
3315 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3317 return view->continuous;
3321 ev_view_set_continuous (EvView *view,
3322 gboolean continuous)
3324 g_return_if_fail (EV_IS_VIEW (view));
3326 continuous = continuous != FALSE;
3328 if (view->continuous != continuous) {
3329 view->continuous = continuous;
3330 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
3331 gtk_widget_queue_resize (GTK_WIDGET (view));
3334 g_object_notify (G_OBJECT (view), "continuous");
3338 ev_view_get_dual_page (EvView *view)
3340 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3342 return view->dual_page;
3346 ev_view_set_dual_page (EvView *view,
3349 g_return_if_fail (EV_IS_VIEW (view));
3351 dual_page = dual_page != FALSE;
3353 if (view->dual_page == dual_page)
3356 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
3357 view->dual_page = dual_page;
3358 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
3359 * preload_cache_size to be 2 if dual_page is set.
3361 gtk_widget_queue_resize (GTK_WIDGET (view));
3363 g_object_notify (G_OBJECT (view), "dual-page");
3367 ev_view_set_fullscreen (EvView *view,
3368 gboolean fullscreen)
3370 g_return_if_fail (EV_IS_VIEW (view));
3372 fullscreen = fullscreen != FALSE;
3374 if (view->fullscreen == fullscreen)
3377 view->fullscreen = fullscreen;
3378 gtk_widget_queue_resize (GTK_WIDGET (view));
3380 g_object_notify (G_OBJECT (view), "fullscreen");
3384 ev_view_get_fullscreen (EvView *view)
3386 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3388 return view->fullscreen;
3392 ev_view_set_presentation (EvView *view,
3393 gboolean presentation)
3395 g_return_if_fail (EV_IS_VIEW (view));
3397 presentation = presentation != FALSE;
3399 if (view->presentation == presentation)
3403 view->presentation_state = EV_PRESENTATION_NORMAL;
3405 view->presentation = presentation;
3406 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
3407 gtk_widget_queue_resize (GTK_WIDGET (view));
3409 if (GTK_WIDGET_REALIZED (view)) {
3410 if (view->presentation)
3411 gdk_window_set_background (GTK_WIDGET(view)->window,
3412 >K_WIDGET (view)->style->black);
3414 gdk_window_set_background (GTK_WIDGET(view)->window,
3415 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
3418 g_object_notify (G_OBJECT (view), "presentation");
3422 ev_view_get_presentation (EvView *view)
3424 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3426 return view->presentation;
3430 ev_view_set_sizing_mode (EvView *view,
3431 EvSizingMode sizing_mode)
3433 g_return_if_fail (EV_IS_VIEW (view));
3435 if (view->sizing_mode == sizing_mode)
3438 view->sizing_mode = sizing_mode;
3439 gtk_widget_queue_resize (GTK_WIDGET (view));
3441 g_object_notify (G_OBJECT (view), "sizing-mode");
3445 ev_view_get_sizing_mode (EvView *view)
3447 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
3449 return view->sizing_mode;
3453 ev_view_can_zoom_in (EvView *view)
3455 return view->scale * ZOOM_IN_FACTOR <= MAX_SCALE;
3459 ev_view_can_zoom_out (EvView *view)
3461 return view->scale * ZOOM_OUT_FACTOR >= MIN_SCALE;
3465 ev_view_zoom_in (EvView *view)
3467 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
3469 view->pending_scroll = SCROLL_TO_CENTER;
3470 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
3474 ev_view_zoom_out (EvView *view)
3476 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
3478 view->pending_scroll = SCROLL_TO_CENTER;
3479 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
3483 ev_view_rotate_right (EvView *view)
3485 int rotation = view->rotation + 90;
3487 if (rotation >= 360) {
3491 ev_view_set_rotation (view, rotation);
3495 ev_view_rotate_left (EvView *view)
3497 int rotation = view->rotation - 90;
3503 ev_view_set_rotation (view, rotation);
3507 ev_view_set_rotation (EvView *view, int rotation)
3509 view->rotation = rotation;
3511 if (view->pixbuf_cache) {
3512 ev_pixbuf_cache_clear (view->pixbuf_cache);
3513 gtk_widget_queue_resize (GTK_WIDGET (view));
3517 clear_selection (view);
3519 g_object_notify (G_OBJECT (view), "rotation");
3523 ev_view_get_rotation (EvView *view)
3525 return view->rotation;
3529 zoom_for_size_fit_width (int doc_width,
3537 scale = (double)target_width / doc_width;
3539 if (doc_height * scale > target_height)
3540 scale = (double) (target_width - vsb_width) / doc_width;
3546 zoom_for_size_fit_height (int doc_width,
3554 scale = (double)target_height / doc_height;
3556 if (doc_width * scale > target_width)
3557 scale = (double) (target_height - vsb_height) / doc_height;
3563 zoom_for_size_best_fit (int doc_width,
3573 w_scale = (double)target_width / doc_width;
3574 h_scale = (double)target_height / doc_height;
3576 if (doc_height * w_scale > target_height)
3577 w_scale = (double) (target_width - vsb_width) / doc_width;
3578 if (doc_width * h_scale > target_width)
3579 h_scale = (double) (target_height - hsb_width) / doc_height;
3581 return MIN (w_scale, h_scale);
3586 ev_view_zoom_for_size_presentation (EvView *view,
3590 int doc_width, doc_height;
3593 ev_page_cache_get_size (view->page_cache,
3599 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
3600 ev_view_set_zoom (view, scale, FALSE);
3604 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
3610 int doc_width, doc_height;
3614 ev_page_cache_get_max_width (view->page_cache,
3618 ev_page_cache_get_max_height (view->page_cache,
3622 compute_border (view, doc_width, doc_height, &border);
3624 doc_width = doc_width * 2;
3625 width -= (2 * (border.left + border.right) + 3 * view->spacing);
3626 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3628 /* FIXME: We really need to calculate the overall height here, not the
3629 * page height. We assume there's always a vertical scrollbar for
3630 * now. We need to fix this. */
3631 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3632 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3633 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3634 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3636 g_assert_not_reached ();
3638 ev_view_set_zoom (view, scale, FALSE);
3642 ev_view_zoom_for_size_continuous (EvView *view,
3648 int doc_width, doc_height;
3652 ev_page_cache_get_max_width (view->page_cache,
3656 ev_page_cache_get_max_height (view->page_cache,
3660 compute_border (view, doc_width, doc_height, &border);
3662 width -= (border.left + border.right + 2 * view->spacing);
3663 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3665 /* FIXME: We really need to calculate the overall height here, not the
3666 * page height. We assume there's always a vertical scrollbar for
3667 * now. We need to fix this. */
3668 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3669 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3670 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3671 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3673 g_assert_not_reached ();
3675 ev_view_set_zoom (view, scale, FALSE);
3679 ev_view_zoom_for_size_dual_page (EvView *view,
3686 gint doc_width, doc_height;
3690 other_page = view->current_page ^ 1;
3692 /* Find the largest of the two. */
3693 ev_page_cache_get_size (view->page_cache,
3697 &doc_width, &doc_height);
3699 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
3700 gint width_2, height_2;
3701 ev_page_cache_get_size (view->page_cache,
3705 &width_2, &height_2);
3706 if (width_2 > doc_width)
3707 doc_width = width_2;
3708 if (height_2 > doc_height)
3709 doc_height = height_2;
3711 compute_border (view, doc_width, doc_height, &border);
3713 doc_width = doc_width * 2;
3714 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
3715 height -= (border.top + border.bottom + 2 * view->spacing);
3717 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3718 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3719 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3720 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3722 g_assert_not_reached ();
3724 ev_view_set_zoom (view, scale, FALSE);
3728 ev_view_zoom_for_size_single_page (EvView *view,
3734 int doc_width, doc_height;
3738 ev_page_cache_get_size (view->page_cache,
3744 /* Get an approximate border */
3745 compute_border (view, width, height, &border);
3747 width -= (border.left + border.right + 2 * view->spacing);
3748 height -= (border.top + border.bottom + 2 * view->spacing);
3750 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3751 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3752 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3753 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3755 g_assert_not_reached ();
3757 ev_view_set_zoom (view, scale, FALSE);
3761 ev_view_set_zoom_for_size (EvView *view,
3767 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
3768 view->sizing_mode == EV_SIZING_BEST_FIT);
3769 g_return_if_fail (width >= 0);
3770 g_return_if_fail (height >= 0);
3772 if (view->document == NULL)
3775 if (view->presentation)
3776 ev_view_zoom_for_size_presentation (view, width, height);
3777 else if (view->continuous && view->dual_page)
3778 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
3779 else if (view->continuous)
3780 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
3781 else if (view->dual_page)
3782 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
3784 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
3787 /*** Status text messages ***/
3790 ev_view_get_status (EvView *view)
3792 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3794 return view->status;
3798 ev_view_set_status (EvView *view, const char *message)
3800 g_return_if_fail (EV_IS_VIEW (view));
3802 if (message != view->status) {
3803 g_free (view->status);
3804 view->status = g_strdup (message);
3805 g_object_notify (G_OBJECT (view), "status");
3810 update_find_status_message (EvView *view, gboolean this_page)
3817 results = ev_document_find_get_n_results
3818 (EV_DOCUMENT_FIND (view->document),
3819 view->current_page);
3820 /* TRANS: Sometimes this could be better translated as
3821 "%d hit(s) on this page". Therefore this string
3822 contains plural cases. */
3823 message = g_strdup_printf (ngettext ("%d found on this page",
3824 "%d found on this page",
3830 percent = ev_document_find_get_progress
3831 (EV_DOCUMENT_FIND (view->document));
3832 message = g_strdup_printf (_("%3d%% remaining to search"),
3833 (int) ((1.0 - percent) * 100));
3836 ev_view_set_find_status (view, message);
3841 ev_view_get_find_status (EvView *view)
3843 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3845 return view->find_status;
3849 ev_view_set_find_status (EvView *view, const char *message)
3851 g_return_if_fail (EV_IS_VIEW (view));
3853 g_free (view->find_status);
3854 view->find_status = g_strdup (message);
3855 g_object_notify (G_OBJECT (view), "find-status");
3861 jump_to_find_result (EvView *view)
3863 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3865 GdkRectangle view_rect;
3867 int page = view->current_page;
3869 n_results = ev_document_find_get_n_results (find, page);
3871 if (n_results > 0 && view->find_result < n_results) {
3872 ev_document_find_get_result
3873 (find, page, view->find_result, &rect);
3875 doc_rect_to_view_rect (view, page, &rect, &view_rect);
3876 ensure_rectangle_is_visible (view, &view_rect);
3882 * @view: #EvView instance
3883 * @direction: Direction to look
3884 * @shift: Shift from current page
3886 * Jumps to the first page that has occurences of searched word.
3887 * Uses a direction where to look and a shift from current page.
3891 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
3895 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3897 for (i = 0; i < n_pages; i++) {
3901 if (direction == EV_VIEW_FIND_NEXT)
3902 page = view->current_page + i;
3904 page = view->current_page - i;
3907 if (page >= n_pages) {
3908 page = page - n_pages;
3911 page = page + n_pages;
3913 has_results = ev_document_find_page_has_results
3914 (EV_DOCUMENT_FIND (view->document), page);
3915 if (has_results == -1) {
3917 } else if (has_results == 1) {
3918 ev_page_cache_set_current_page (view->page_cache, page);
3925 ev_view_can_find_next (EvView *view)
3927 if (EV_IS_DOCUMENT_FIND (view->document)) {
3928 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3931 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3932 for (i = 0; i < n_pages; i++) {
3933 if (ev_document_find_get_n_results (find, i) > 0) {
3943 ev_view_find_next (EvView *view)
3945 int n_results, n_pages;
3946 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3948 n_results = ev_document_find_get_n_results (find, view->current_page);
3950 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3952 view->find_result++;
3954 if (view->find_result >= n_results) {
3956 view->find_result = 0;
3957 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
3958 jump_to_find_result (view);
3960 jump_to_find_result (view);
3961 gtk_widget_queue_draw (GTK_WIDGET (view));
3966 ev_view_can_find_previous (EvView *view)
3968 if (EV_IS_DOCUMENT_FIND (view->document)) {
3969 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3972 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3973 for (i = n_pages - 1; i >= 0; i--) {
3974 if (ev_document_find_get_n_results (find, i) > 0) {
3983 ev_view_find_previous (EvView *view)
3985 int n_results, n_pages;
3986 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3987 EvPageCache *page_cache;
3989 page_cache = ev_page_cache_get (view->document);
3991 n_results = ev_document_find_get_n_results (find, view->current_page);
3993 n_pages = ev_page_cache_get_n_pages (page_cache);
3995 view->find_result--;
3997 if (view->find_result < 0) {
3999 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
4000 view->find_result = ev_document_find_get_n_results (find, view->current_page) - 1;
4001 jump_to_find_result (view);
4003 jump_to_find_result (view);
4004 gtk_widget_queue_draw (GTK_WIDGET (view));
4008 void ev_view_search_changed (EvView *view)
4010 /* search string has changed, focus on new search result */
4011 view->jump_to_find_result = TRUE;
4014 /*** Selections ***/
4016 /* compute_new_selection_rect/text calculates the area currently selected by
4017 * view_rect. each handles a different mode;
4020 compute_new_selection_rect (EvView *view,
4024 GdkRectangle view_rect;
4028 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
4030 view_rect.x = MIN (start->x, stop->x);
4031 view_rect.y = MIN (start->y, stop->y);
4032 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
4033 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
4035 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4037 for (i = 0; i < n_pages; i++) {
4038 GdkRectangle page_area;
4041 if (get_page_extents (view, i, &page_area, &border)) {
4042 GdkRectangle overlap;
4044 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
4045 EvViewSelection *selection;
4047 selection = g_new0 (EvViewSelection, 1);
4048 selection->page = i;
4049 view_rect_to_doc_rect (view, &overlap, &page_area,
4050 &(selection->rect));
4052 list = g_list_append (list, selection);
4061 gdk_rectangle_point_in (GdkRectangle *rectangle,
4064 return rectangle->x <= point->x &&
4065 rectangle->y <= point->y &&
4066 point->x < rectangle->x + rectangle->width &&
4067 point->y < rectangle->y + rectangle->height;
4071 compute_new_selection_text (EvView *view,
4075 int n_pages, i, first, last;
4077 EvViewSelection *selection;
4079 int start_page, end_page;
4081 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
4083 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4085 /* First figure out the range of pages the selection
4089 if (view->continuous) {
4092 } else if (view->dual_page) {
4093 start_page = view->start_page;
4094 end_page = view->end_page + 1;
4096 start_page = view->current_page;
4097 end_page = view->current_page + 1;
4100 for (i = start_page; i < end_page; i++) {
4101 GdkRectangle page_area;
4104 get_page_extents (view, i, &page_area, &border);
4105 if (gdk_rectangle_point_in (&page_area, start) ||
4106 gdk_rectangle_point_in (&page_area, stop)) {
4107 if (first == n_pages)
4116 /* Now create a list of EvViewSelection's for the affected
4117 * pages. This could be an empty list, a list of just one
4118 * page or a number of pages.*/
4119 for (i = first; i < last + 1; i++) {
4120 GdkRectangle page_area;
4124 ev_page_cache_get_size (view->page_cache, i,
4126 1.0, &width, &height);
4128 selection = g_new0 (EvViewSelection, 1);
4129 selection->page = i;
4130 selection->rect.x1 = selection->rect.y1 = 0;
4131 selection->rect.x2 = width;
4132 selection->rect.y2 = height;
4134 get_page_extents (view, i, &page_area, &border);
4136 if (gdk_rectangle_point_in (&page_area, start))
4142 view_point_to_doc_point (view, point, &page_area,
4143 &selection->rect.x1,
4144 &selection->rect.y1);
4146 /* If the selection is contained within just one page,
4147 * make sure we don't write 'start' into both points
4148 * in selection->rect. */
4153 view_point_to_doc_point (view, point, &page_area,
4154 &selection->rect.x2,
4155 &selection->rect.y2);
4157 list = g_list_append (list, selection);
4163 /* This function takes the newly calculated list, and figures out which regions
4164 * have changed. It then queues a redraw approporiately.
4167 merge_selection_region (EvView *view,
4171 GList *new_list_ptr, *old_list_ptr;
4173 /* Update the selection */
4174 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
4175 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
4176 view->selection_info.selections = new_list;
4177 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
4178 g_object_notify (G_OBJECT (view), "has-selection");
4180 new_list_ptr = new_list;
4181 old_list_ptr = old_list;
4183 while (new_list_ptr || old_list_ptr) {
4184 EvViewSelection *old_sel, *new_sel;
4186 GdkRegion *region = NULL;
4188 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
4189 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
4191 /* Assume that the lists are in order, and we run through them
4192 * comparing them, one page at a time. We come out with the
4193 * first page we see. */
4194 if (new_sel && old_sel) {
4195 if (new_sel->page < old_sel->page) {
4196 new_list_ptr = new_list_ptr->next;
4198 } else if (new_sel->page > old_sel->page) {
4199 old_list_ptr = old_list_ptr->next;
4202 new_list_ptr = new_list_ptr->next;
4203 old_list_ptr = old_list_ptr->next;
4205 } else if (new_sel) {
4206 new_list_ptr = new_list_ptr->next;
4207 } else if (old_sel) {
4208 old_list_ptr = old_list_ptr->next;
4211 g_assert (new_sel || old_sel);
4213 /* is the page we're looking at on the screen?*/
4214 cur_page = new_sel ? new_sel->page : old_sel->page;
4215 if (cur_page < view->start_page || cur_page > view->end_page)
4218 /* seed the cache with a new page. We are going to need the new
4221 GdkRegion *tmp_region = NULL;
4222 ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
4227 new_sel->covered_region = gdk_region_copy (tmp_region);
4231 /* Now we figure out what needs redrawing */
4232 if (old_sel && new_sel) {
4233 if (old_sel->covered_region &&
4234 new_sel->covered_region) {
4235 /* We only want to redraw the areas that have
4236 * changed, so we xor the old and new regions
4237 * and redraw if it's different */
4238 region = gdk_region_copy (old_sel->covered_region);
4239 gdk_region_xor (region, new_sel->covered_region);
4240 if (gdk_region_empty (region)) {
4241 gdk_region_destroy (region);
4244 } else if (old_sel->covered_region) {
4245 region = gdk_region_copy (old_sel->covered_region);
4246 } else if (new_sel->covered_region) {
4247 region = gdk_region_copy (new_sel->covered_region);
4249 } else if (old_sel && !new_sel) {
4250 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
4251 region = gdk_region_copy (old_sel->covered_region);
4253 } else if (!old_sel && new_sel) {
4254 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
4255 region = gdk_region_copy (new_sel->covered_region);
4258 g_assert_not_reached ();
4261 /* Redraw the damaged region! */
4263 GdkRectangle page_area;
4266 get_page_extents (view, cur_page, &page_area, &border);
4267 gdk_region_offset (region,
4268 page_area.x + border.left - view->scroll_x,
4269 page_area.y + border.top - view->scroll_y);
4270 gdk_window_invalidate_region (GTK_WIDGET (view)->window, region, TRUE);
4271 gdk_region_destroy (region);
4275 /* Free the old list, now that we're done with it. */
4276 g_list_foreach (old_list, (GFunc) selection_free, NULL);
4280 compute_selections (EvView *view,
4286 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
4287 list = compute_new_selection_rect (view, start, stop);
4289 list = compute_new_selection_text (view, start, stop);
4290 merge_selection_region (view, list);
4293 /* Free's the selection. It's up to the caller to queue redraws if needed.
4296 selection_free (EvViewSelection *selection)
4298 if (selection->covered_region)
4299 gdk_region_destroy (selection->covered_region);
4304 clear_selection (EvView *view)
4306 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
4307 view->selection_info.selections = NULL;
4308 view->selection_info.in_selection = FALSE;
4309 g_object_notify (G_OBJECT (view), "has-selection");
4314 ev_view_select_all (EvView *view)
4318 /* Disable selection on rotated pages for the 0.4.0 series */
4319 if (view->rotation != 0)
4322 clear_selection (view);
4324 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4325 for (i = 0; i < n_pages; i++) {
4327 EvViewSelection *selection;
4329 ev_page_cache_get_size (view->page_cache,
4332 1.0, &width, &height);
4334 selection = g_new0 (EvViewSelection, 1);
4335 selection->page = i;
4336 selection->rect.x1 = selection->rect.y1 = 0;
4337 selection->rect.x2 = width;
4338 selection->rect.y2 = height;
4340 view->selection_info.selections = g_list_append (view->selection_info.selections, selection);
4343 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, view->selection_info.selections);
4344 g_object_notify (G_OBJECT (view), "has-selection");
4345 gtk_widget_queue_draw (GTK_WIDGET (view));
4349 ev_view_get_has_selection (EvView *view)
4351 return view->selection_info.selections != NULL;
4355 get_selected_text (EvView *ev_view)
4360 text = g_string_new (NULL);
4362 ev_document_doc_mutex_lock ();
4364 for (l = ev_view->selection_info.selections; l != NULL; l = l->next) {
4365 EvViewSelection *selection = (EvViewSelection *)l->data;
4368 tmp = ev_document_get_text (ev_view->document,
4371 g_string_append (text, tmp);
4375 ev_document_doc_mutex_unlock ();
4377 return g_string_free (text, FALSE);
4381 ev_view_copy (EvView *ev_view)
4383 GtkClipboard *clipboard;
4386 if (!ev_document_can_get_text (ev_view->document)) {
4390 text = get_selected_text (ev_view);
4391 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
4392 GDK_SELECTION_CLIPBOARD);
4393 gtk_clipboard_set_text (clipboard, text, -1);
4398 ev_view_primary_get_cb (GtkClipboard *clipboard,
4399 GtkSelectionData *selection_data,
4403 EvView *ev_view = EV_VIEW (data);
4406 if (!ev_document_can_get_text (ev_view->document)) {
4410 text = get_selected_text (ev_view);
4411 gtk_selection_data_set_text (selection_data, text, -1);
4416 ev_view_primary_clear_cb (GtkClipboard *clipboard,
4419 EvView *view = EV_VIEW (data);
4421 clear_selection (view);
4425 ev_view_update_primary_selection (EvView *ev_view)
4427 GtkClipboard *clipboard;
4429 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
4430 GDK_SELECTION_PRIMARY);
4432 if (ev_view->selection_info.selections) {
4433 if (!gtk_clipboard_set_with_owner (clipboard,
4435 G_N_ELEMENTS (targets),
4436 ev_view_primary_get_cb,
4437 ev_view_primary_clear_cb,
4438 G_OBJECT (ev_view)))
4439 ev_view_primary_clear_cb (clipboard, ev_view);
4441 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
4442 gtk_clipboard_clear (clipboard);
4446 /*** Cursor operations ***/
4449 ev_view_create_invisible_cursor(void)
4452 GdkColor black = { 0, 0, 0, 0 };
4453 static char bits[] = { 0x00 };
4455 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
4457 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
4461 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
4463 GdkCursor *cursor = NULL;
4464 GdkDisplay *display;
4467 if (view->cursor == new_cursor) {
4471 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
4472 display = gtk_widget_get_display (widget);
4473 view->cursor = new_cursor;
4475 switch (new_cursor) {
4476 case EV_VIEW_CURSOR_NORMAL:
4477 gdk_window_set_cursor (widget->window, NULL);
4479 case EV_VIEW_CURSOR_IBEAM:
4480 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
4482 case EV_VIEW_CURSOR_LINK:
4483 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
4485 case EV_VIEW_CURSOR_WAIT:
4486 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
4488 case EV_VIEW_CURSOR_HIDDEN:
4489 cursor = ev_view_create_invisible_cursor ();
4491 case EV_VIEW_CURSOR_DRAG:
4492 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
4497 gdk_window_set_cursor (widget->window, cursor);
4498 gdk_cursor_unref (cursor);
4504 ev_view_hide_cursor (EvView *view)
4506 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
4510 ev_view_show_cursor (EvView *view)
4512 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
4516 ev_view_reset_presentation_state (EvView *view)
4518 if (!view->presentation ||
4519 view->presentation_state == EV_PRESENTATION_NORMAL)
4522 view->presentation_state = EV_PRESENTATION_NORMAL;
4523 gdk_window_set_background (GTK_WIDGET (view)->window,
4524 >K_WIDGET (view)->style->black);
4525 gtk_widget_queue_draw (GTK_WIDGET (view));
4529 ev_view_next_page (EvView *view)
4533 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4535 if (!view->page_cache)
4538 ev_view_reset_presentation_state (view);
4540 page = ev_page_cache_get_current_page (view->page_cache);
4541 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4543 if (view->dual_page && !view->presentation)
4548 if (page < n_pages) {
4549 ev_page_cache_set_current_page (view->page_cache, page);
4551 } else if (view->presentation && page == n_pages) {
4552 view->presentation_state = EV_PRESENTATION_END;
4553 gtk_widget_queue_draw (GTK_WIDGET (view));
4555 } else if (view->dual_page && page == n_pages) {
4556 ev_page_cache_set_current_page (view->page_cache, page - 1);
4564 ev_view_previous_page (EvView *view)
4568 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4570 if (!view->page_cache)
4573 if (view->presentation &&
4574 view->presentation_state == EV_PRESENTATION_END) {
4575 ev_view_reset_presentation_state (view);
4579 ev_view_reset_presentation_state (view);
4581 page = ev_page_cache_get_current_page (view->page_cache);
4583 if (view->dual_page && !view->presentation)
4589 ev_page_cache_set_current_page (view->page_cache, page);
4591 } else if (ev_view_get_dual_page (view) && page == -1) {
4592 ev_page_cache_set_current_page (view->page_cache, 0);
4599 /*** Enum description for usage in signal ***/
4602 ev_sizing_mode_get_type (void)
4604 static GType etype = 0;
4606 static const GEnumValue values[] = {
4607 { EV_SIZING_FIT_WIDTH, "EV_SIZING_FIT_WIDTH", "fit-width" },
4608 { EV_SIZING_BEST_FIT, "EV_SIZING_BEST_FIT", "best-fit" },
4609 { EV_SIZING_FREE, "EV_SIZING_FREE", "free" },
4612 etype = g_enum_register_static ("EvSizingMode", values);
4618 ev_scroll_type_get_type (void)
4620 static GType etype = 0;
4622 static const GEnumValue values[] = {
4623 { EV_SCROLL_PAGE_FORWARD, "EV_SCROLL_PAGE_FORWARD", "scroll-page-forward" },
4624 { EV_SCROLL_PAGE_BACKWARD, "EV_SCROLL_PAGE_BACKWARD", "scroll-page-backward" },
4625 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
4626 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
4627 { EV_SCROLL_STEP_UP, "EV_SCROLL_STEP_UP", "scroll-step-up" },
4628 { EV_SCROLL_STEP_DOWN, "EV_SCROLL_STEP_DOWN", "scroll-step-down" },
4631 etype = g_enum_register_static ("EvScrollType", values);