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-images.h"
39 #include "ev-document-find.h"
40 #include "ev-document-transition.h"
41 #include "ev-document-misc.h"
43 #include "ev-job-queue.h"
44 #include "ev-page-cache.h"
45 #include "ev-pixbuf-cache.h"
46 #include "ev-tooltip.h"
47 #include "ev-application.h"
49 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
50 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
51 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
69 SIGNAL_BINDING_ACTIVATED,
87 TARGET_TEXT_BUFFER_CONTENTS
90 static const GtkTargetEntry clipboard_targets[] = {
91 { "STRING", 0, TARGET_STRING },
92 { "TEXT", 0, TARGET_TEXT },
93 { "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT },
94 { "UTF8_STRING", 0, TARGET_UTF8_STRING },
97 static const GtkTargetEntry view_drop_targets[] = {
98 { "text/uri-list", 0, 0 }
101 static guint signals[N_SIGNALS];
106 } EvViewFindDirection;
108 #define ZOOM_IN_FACTOR 1.2
109 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
111 #define MIN_SCALE 0.05409
112 #define MAX_SCALE 4.0
114 #define SCROLL_TIME 150
117 static void scroll_to_current_page (EvView *view,
118 GtkOrientation orientation);
119 static void ev_view_set_scroll_adjustments (EvView *view,
120 GtkAdjustment *hadjustment,
121 GtkAdjustment *vadjustment);
122 static void view_update_range_and_current_page (EvView *view);
123 static void set_scroll_adjustment (EvView *view,
124 GtkOrientation orientation,
125 GtkAdjustment *adjustment);
126 static void ev_view_set_scroll_adjustments (EvView *view,
127 GtkAdjustment *hadjustment,
128 GtkAdjustment *vadjustment);
129 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
131 GdkModifierType modifiers,
133 gboolean horizontal);
134 static void ensure_rectangle_is_visible (EvView *view,
137 /*** Geometry computations ***/
138 static void compute_border (EvView *view,
142 static void get_page_y_offset (EvView *view,
146 static gboolean get_page_extents (EvView *view,
148 GdkRectangle *page_area,
150 static void view_rect_to_doc_rect (EvView *view,
151 GdkRectangle *view_rect,
152 GdkRectangle *page_area,
153 EvRectangle *doc_rect);
154 static void doc_rect_to_view_rect (EvView *view,
156 EvRectangle *doc_rect,
157 GdkRectangle *view_rect);
158 static void find_page_at_location (EvView *view,
164 static gboolean doc_point_to_view_point (EvView *view,
167 GdkPoint *view_point);
169 static EvLink * ev_view_get_link_at_location (EvView *view,
172 static char* tip_from_link (EvView *view,
174 static void handle_link_over_xy (EvView *view,
177 /*** GtkWidget implementation ***/
178 static void ev_view_size_request_continuous_dual_page (EvView *view,
179 GtkRequisition *requisition);
180 static void ev_view_size_request_continuous (EvView *view,
181 GtkRequisition *requisition);
182 static void ev_view_size_request_dual_page (EvView *view,
183 GtkRequisition *requisition);
184 static void ev_view_size_request_single_page (EvView *view,
185 GtkRequisition *requisition);
186 static void ev_view_size_request (GtkWidget *widget,
187 GtkRequisition *requisition);
188 static void ev_view_size_allocate (GtkWidget *widget,
189 GtkAllocation *allocation);
190 static void ev_view_realize (GtkWidget *widget);
191 static gboolean ev_view_scroll_event (GtkWidget *widget,
192 GdkEventScroll *event);
193 static gboolean ev_view_expose_event (GtkWidget *widget,
194 GdkEventExpose *event);
195 static gboolean ev_view_popup_menu (GtkWidget *widget);
196 static gboolean ev_view_button_press_event (GtkWidget *widget,
197 GdkEventButton *event);
198 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
199 GdkEventMotion *event);
200 static gboolean ev_view_button_release_event (GtkWidget *widget,
201 GdkEventButton *event);
202 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
203 GdkEventCrossing *event);
204 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
205 GdkEventCrossing *event);
206 static void ev_view_style_set (GtkWidget *widget,
207 GtkStyle *old_style);
209 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
212 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
213 static void draw_rubberband (GtkWidget *widget,
215 const GdkRectangle *rect,
217 static void highlight_find_results (EvView *view,
219 static void draw_one_page (EvView *view,
221 GdkRectangle *page_area,
223 GdkRectangle *expose_area,
224 gboolean *page_ready);
225 static void draw_loading_text (EvView *view,
226 GdkRectangle *page_area,
227 GdkRectangle *expose_area);
230 static void find_changed_cb (EvDocument *document,
233 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
235 static void page_changed_cb (EvPageCache *page_cache,
238 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
242 static void ev_view_finalize (GObject *object);
243 static void ev_view_destroy (GtkObject *object);
244 static void ev_view_set_property (GObject *object,
248 static void ev_view_get_property (GObject *object,
252 static void ev_view_class_init (EvViewClass *class);
253 static void ev_view_init (EvView *view);
255 /*** Zoom and sizing ***/
256 static double zoom_for_size_fit_width (int doc_width,
261 static double zoom_for_size_fit_height (int doc_width,
266 static double zoom_for_size_best_fit (int doc_width,
272 static void ev_view_zoom_for_size_presentation (EvView *view,
275 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
280 static void ev_view_zoom_for_size_continuous (EvView *view,
285 static void ev_view_zoom_for_size_dual_page (EvView *view,
290 static void ev_view_zoom_for_size_single_page (EvView *view,
296 static GdkCursor* ev_view_create_invisible_cursor (void);
297 static void ev_view_set_cursor (EvView *view,
298 EvViewCursor new_cursor);
300 /*** Status messages ***/
301 static void ev_view_set_status (EvView *view,
302 const char *message);
303 static void update_find_status_message (EvView *view,
305 static void ev_view_set_find_status (EvView *view,
306 const char *message);
308 static void jump_to_find_result (EvView *view);
309 static void jump_to_find_page (EvView *view,
310 EvViewFindDirection direction,
314 static void compute_selections (EvView *view,
317 static void clear_selection (EvView *view);
318 static void selection_free (EvViewSelection *selection);
319 static char* get_selected_text (EvView *ev_view);
320 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
321 GtkSelectionData *selection_data,
324 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
326 static void ev_view_update_primary_selection (EvView *ev_view);
328 /*** Presentation ***/
329 static void ev_view_presentation_transition_start (EvView *ev_view);
330 static void ev_view_presentation_transition_stop (EvView *ev_view);
333 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_WIDGET)
336 scroll_to_current_page (EvView *view, GtkOrientation orientation)
340 if (view->document == NULL) {
344 doc_point_to_view_point (view, view->current_page, &view->pending_point, &view_point);
346 if (orientation == GTK_ORIENTATION_VERTICAL) {
347 view->pending_point.y = 0;
349 view->pending_point.x = 0;
352 if (orientation == GTK_ORIENTATION_VERTICAL) {
353 if (view->continuous) {
354 gtk_adjustment_clamp_page (view->vadjustment,
355 view_point.y - view->spacing / 2,
356 view_point.y + view->vadjustment->page_size);
358 gtk_adjustment_set_value (view->vadjustment,
360 view->vadjustment->lower,
361 view->vadjustment->upper -
362 view->vadjustment->page_size));
365 if (view->dual_page) {
366 gtk_adjustment_clamp_page (view->hadjustment,
368 view_point.x + view->hadjustment->page_size);
370 gtk_adjustment_set_value (view->hadjustment,
372 view->hadjustment->lower,
373 view->hadjustment->upper -
374 view->hadjustment->page_size));
380 view_set_adjustment_values (EvView *view,
381 GtkOrientation orientation)
383 GtkWidget *widget = GTK_WIDGET (view);
384 GtkAdjustment *adjustment;
391 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
392 requisition = widget->requisition.width;
393 allocation = widget->allocation.width;
394 adjustment = view->hadjustment;
396 requisition = widget->requisition.height;
397 allocation = widget->allocation.height;
398 adjustment = view->vadjustment;
405 switch (view->pending_scroll) {
406 case SCROLL_TO_KEEP_POSITION:
407 case SCROLL_TO_FIND_LOCATION:
408 factor = (adjustment->value) / adjustment->upper;
410 case SCROLL_TO_PAGE_POSITION:
412 case SCROLL_TO_CENTER:
413 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
417 adjustment->page_size = allocation;
418 adjustment->step_increment = allocation * 0.1;
419 adjustment->page_increment = allocation * 0.9;
420 adjustment->lower = 0;
421 adjustment->upper = MAX (allocation, requisition);
424 * We add 0.5 to the values before to average out our rounding errors.
426 switch (view->pending_scroll) {
427 case SCROLL_TO_KEEP_POSITION:
428 case SCROLL_TO_FIND_LOCATION:
429 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
430 gtk_adjustment_set_value (adjustment, (int)new_value);
432 case SCROLL_TO_PAGE_POSITION:
433 scroll_to_current_page (view, orientation);
435 case SCROLL_TO_CENTER:
436 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
437 0, adjustment->upper - adjustment->page_size);
438 gtk_adjustment_set_value (adjustment, (int)new_value);
442 gtk_adjustment_changed (adjustment);
446 view_update_range_and_current_page (EvView *view)
449 gint best_current_page = -1;
451 /* Presentation trumps all other modes */
452 if (view->presentation) {
453 view->start_page = view->current_page;
454 view->end_page = view->current_page;
455 } else if (view->continuous) {
456 GdkRectangle current_area, unused, page_area;
458 gboolean found = FALSE;
459 gint area_max = -1, area;
462 if (!(view->vadjustment && view->hadjustment))
465 current_area.x = view->hadjustment->value;
466 current_area.width = view->hadjustment->upper;
467 current_area.y = view->vadjustment->value;
468 current_area.height = view->vadjustment->page_size;
470 for (i = 0; i < ev_page_cache_get_n_pages (view->page_cache); i++) {
472 get_page_extents (view, i, &page_area, &border);
474 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
475 area = unused.width * unused.height;
479 view->start_page = i;
481 best_current_page = i;
483 if (area > area_max) {
484 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
494 } else if (view->dual_page) {
495 if (view->current_page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) {
496 view->start_page = view->current_page;
497 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache))
498 view->end_page = view->start_page + 1;
500 view->end_page = view->start_page;
502 if (view->current_page < 1)
503 view->start_page = view->current_page;
505 view->start_page = view->current_page - 1;
506 view->end_page = view->current_page;
509 view->start_page = view->current_page;
510 view->end_page = view->current_page;
513 best_current_page = MAX (best_current_page, view->start_page);
514 current_page = ev_page_cache_get_current_page (view->page_cache);
516 if ((current_page != best_current_page) && (view->pending_scroll == SCROLL_TO_KEEP_POSITION)) {
517 view->current_page = best_current_page;
518 ev_page_cache_set_current_page (view->page_cache, best_current_page);
521 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
526 view->selection_info.selections);
530 set_scroll_adjustment (EvView *view,
531 GtkOrientation orientation,
532 GtkAdjustment *adjustment)
534 GtkAdjustment **to_set;
536 if (orientation == GTK_ORIENTATION_HORIZONTAL)
537 to_set = &view->hadjustment;
539 to_set = &view->vadjustment;
541 if (*to_set != adjustment) {
543 g_signal_handlers_disconnect_by_func (*to_set,
544 (gpointer) on_adjustment_value_changed,
546 g_object_unref (*to_set);
549 *to_set = adjustment;
550 view_set_adjustment_values (view, orientation);
553 g_object_ref (*to_set);
554 g_signal_connect (*to_set, "value_changed",
555 G_CALLBACK (on_adjustment_value_changed), view);
561 ev_view_set_scroll_adjustments (EvView *view,
562 GtkAdjustment *hadjustment,
563 GtkAdjustment *vadjustment)
565 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
566 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
568 on_adjustment_value_changed (NULL, view);
572 add_scroll_binding_keypad (GtkBindingSet *binding_set,
574 GdkModifierType modifiers,
578 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
580 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
581 "binding_activated", 2,
582 EV_TYPE_SCROLL_TYPE, scroll,
583 G_TYPE_BOOLEAN, horizontal);
584 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
585 "binding_activated", 2,
586 EV_TYPE_SCROLL_TYPE, scroll,
587 G_TYPE_BOOLEAN, horizontal);
591 ev_view_scroll (EvView *view,
595 GtkAdjustment *adjustment;
596 double value, increment;
597 gboolean first_page = FALSE;
598 gboolean last_page = FALSE;
600 view->jump_to_find_result = FALSE;
602 if (view->presentation || view->sizing_mode == EV_SIZING_BEST_FIT) {
604 case EV_SCROLL_PAGE_BACKWARD:
605 case EV_SCROLL_STEP_BACKWARD:
606 ev_view_previous_page (view);
608 case EV_SCROLL_PAGE_FORWARD:
609 case EV_SCROLL_STEP_FORWARD:
610 ev_view_next_page (view);
618 /* Assign values for increment and vertical adjustment */
619 adjustment = horizontal ? view->hadjustment : view->vadjustment;
620 increment = adjustment->page_size * 0.75;
621 value = adjustment->value;
623 /* Assign boolean for first and last page */
624 if (view->current_page == 0)
626 if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1)
630 case EV_SCROLL_PAGE_BACKWARD:
631 /* Do not jump backwards if at the first page */
632 if (value == (adjustment->lower) && first_page) {
634 /* At the top of a page, assign the upper bound limit of previous page */
635 } else if (value == (adjustment->lower)) {
636 value = adjustment->upper - adjustment->page_size;
637 ev_view_previous_page (view);
638 /* Jump to the top */
640 value = MAX (value - increment, adjustment->lower);
643 case EV_SCROLL_PAGE_FORWARD:
644 /* Do not jump forward if at the last page */
645 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
647 /* At the bottom of a page, assign the lower bound limit of next page */
648 } else if (value == (adjustment->upper - adjustment->page_size)) {
650 ev_view_next_page (view);
651 /* Jump to the bottom */
653 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
656 case EV_SCROLL_STEP_BACKWARD:
657 value -= adjustment->step_increment;
659 case EV_SCROLL_STEP_FORWARD:
660 value += adjustment->step_increment;
662 case EV_SCROLL_STEP_DOWN:
663 value -= adjustment->step_increment / 10;
665 case EV_SCROLL_STEP_UP:
666 value += adjustment->step_increment / 10;
672 value = CLAMP (value, adjustment->lower,
673 adjustment->upper - adjustment->page_size);
675 gtk_adjustment_set_value (adjustment, value);
681 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
683 GtkWidget *widget = GTK_WIDGET (view);
684 GtkAdjustment *adjustment;
687 view->pending_scroll = SCROLL_TO_FIND_LOCATION;
689 adjustment = view->vadjustment;
691 if (rect->y < adjustment->value) {
692 value = MAX (adjustment->lower, rect->y - MARGIN);
693 gtk_adjustment_set_value (view->vadjustment, value);
694 } else if (rect->y + rect->height >
695 adjustment->value + widget->allocation.height) {
696 value = MIN (adjustment->upper, rect->y + rect->height -
697 widget->allocation.height + MARGIN);
698 gtk_adjustment_set_value (view->vadjustment, value);
701 adjustment = view->hadjustment;
703 if (rect->x < adjustment->value) {
704 value = MAX (adjustment->lower, rect->x - MARGIN);
705 gtk_adjustment_set_value (view->hadjustment, value);
706 } else if (rect->x + rect->height >
707 adjustment->value + widget->allocation.width) {
708 value = MIN (adjustment->upper, rect->x + rect->width -
709 widget->allocation.width + MARGIN);
710 gtk_adjustment_set_value (view->hadjustment, value);
713 gtk_widget_queue_resize (GTK_WIDGET (view));
716 /*** Geometry computations ***/
719 compute_border (EvView *view, int width, int height, GtkBorder *border)
721 if (view->presentation) {
727 ev_document_misc_get_page_border_size (width, height, border);
732 get_page_y_offset (EvView *view, int page, double zoom, int *y_offset)
734 int max_width, offset;
737 g_return_if_fail (y_offset != NULL);
739 ev_page_cache_get_max_width (view->page_cache, view->rotation, zoom, &max_width);
741 compute_border (view, max_width, max_width, &border);
743 if (view->dual_page) {
744 ev_page_cache_get_height_to_page (view->page_cache, page,
745 view->rotation, zoom, NULL, &offset);
746 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);
748 ev_page_cache_get_height_to_page (view->page_cache, page,
749 view->rotation, zoom, &offset, NULL);
750 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
758 get_page_extents (EvView *view,
760 GdkRectangle *page_area,
766 widget = GTK_WIDGET (view);
768 /* Get the size of the page */
769 ev_page_cache_get_size (view->page_cache, page,
773 compute_border (view, width, height, border);
774 page_area->width = width + border->left + border->right;
775 page_area->height = height + border->top + border->bottom;
777 if (view->presentation) {
778 page_area->x = (MAX (0, widget->allocation.width - width))/2;
779 page_area->y = (MAX (0, widget->allocation.height - height))/2;
780 } else if (view->continuous) {
784 ev_page_cache_get_max_width (view->page_cache, view->rotation,
785 view->scale, &max_width);
786 max_width = max_width + border->left + border->right;
787 /* Get the location of the bounding box */
788 if (view->dual_page) {
789 x = view->spacing + ((page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? 0 : 1) * (max_width + view->spacing);
790 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
791 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
792 x = x + (max_width - width - border->left - border->right);
795 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
798 get_page_y_offset (view, page, view->scale, &y);
804 if (view->dual_page) {
805 gint width_2, height_2;
806 gint max_width = width;
807 gint max_height = height;
808 GtkBorder overall_border;
811 other_page = (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? page + 1: page - 1;
813 /* First, we get the bounding box of the two pages */
814 if (other_page < ev_page_cache_get_n_pages (view->page_cache)
815 && (0 <= other_page)) {
816 ev_page_cache_get_size (view->page_cache,
820 &width_2, &height_2);
823 if (height_2 > height)
824 max_height = height_2;
826 compute_border (view, max_width, max_height, &overall_border);
828 /* Find the offsets */
832 /* Adjust for being the left or right page */
833 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
834 x = x + max_width - width;
836 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
838 y = y + (max_height - height)/2;
840 /* Adjust for extra allocation */
841 x = x + MAX (0, widget->allocation.width -
842 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
843 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
848 /* Adjust for extra allocation */
849 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
850 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
861 view_point_to_doc_point (EvView *view,
862 GdkPoint *view_point,
863 GdkRectangle *page_area,
867 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
868 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
872 view_rect_to_doc_rect (EvView *view,
873 GdkRectangle *view_rect,
874 GdkRectangle *page_area,
875 EvRectangle *doc_rect)
877 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
878 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
879 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
880 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
884 doc_point_to_view_point (EvView *view,
887 GdkPoint *view_point)
889 GdkRectangle page_area;
891 double x, y, view_x, view_y;
894 ev_page_cache_get_size (view->page_cache, page,
899 if (view->rotation == 0) {
902 } else if (view->rotation == 90) {
903 x = width - doc_point->y;
905 } else if (view->rotation == 180) {
906 x = width - doc_point->x;
907 y = height - doc_point->y;
908 } else if (view->rotation == 270) {
910 y = height - doc_point->x;
912 g_assert_not_reached ();
915 get_page_extents (view, page, &page_area, &border);
917 view_x = x * view->scale;
918 view_y = y * view->scale;
919 view_point->x = view_x + page_area.x;
920 view_point->y = view_y + page_area.y;
922 return (view_x > 0 && view_x <= page_area.width &&
923 view_y > 0 && view_y <= page_area.height);
927 doc_rect_to_view_rect (EvView *view,
929 EvRectangle *doc_rect,
930 GdkRectangle *view_rect)
932 GdkRectangle page_area;
937 ev_page_cache_get_size (view->page_cache, page,
942 if (view->rotation == 0) {
945 w = doc_rect->x2 - doc_rect->x1;
946 h = doc_rect->y2 - doc_rect->y1;
947 } else if (view->rotation == 90) {
948 x = width - doc_rect->y2;
950 w = doc_rect->y2 - doc_rect->y1;
951 h = doc_rect->x2 - doc_rect->x1;
952 } else if (view->rotation == 180) {
953 x = width - doc_rect->x2;
954 y = height - doc_rect->y2;
955 w = doc_rect->x2 - doc_rect->x1;
956 h = doc_rect->y2 - doc_rect->y1;
957 } else if (view->rotation == 270) {
959 y = height - doc_rect->x2;
960 w = doc_rect->y2 - doc_rect->y1;
961 h = doc_rect->x2 - doc_rect->x1;
963 g_assert_not_reached ();
966 get_page_extents (view, page, &page_area, &border);
968 view_rect->x = x * view->scale + page_area.x;
969 view_rect->y = y * view->scale + page_area.y;
970 view_rect->width = w * view->scale;
971 view_rect->height = h * view->scale;
975 find_page_at_location (EvView *view,
984 if (view->document == NULL)
991 for (i = view->start_page; i <= view->end_page; i++) {
992 GdkRectangle page_area;
995 if (! get_page_extents (view, i, &page_area, &border))
998 if ((x >= page_area.x + border.left) &&
999 (x < page_area.x + page_area.width - border.right) &&
1000 (y >= page_area.y + border.top) &&
1001 (y < page_area.y + page_area.height - border.bottom)) {
1003 *x_offset = x - (page_area.x + border.left);
1004 *y_offset = y - (page_area.y + border.top);
1013 location_in_text (EvView *view,
1019 gint x_offset = 0, y_offset = 0;
1021 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1026 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
1029 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1035 ev_view_get_width (EvView *view)
1037 return GTK_WIDGET (view)->allocation.width;
1041 ev_view_get_height (EvView *view)
1043 return GTK_WIDGET (view)->allocation.height;
1047 location_in_selected_text (EvView *view,
1052 gint x_offset = 0, y_offset = 0;
1053 EvViewSelection *selection;
1056 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1057 selection = (EvViewSelection *)l->data;
1059 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1061 if (page != selection->page)
1064 if (selection->covered_region &&
1065 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1073 get_doc_point_from_offset (EvView *view,
1083 ev_page_cache_get_size (view->page_cache, page,
1088 x_offset = x_offset / view->scale;
1089 y_offset = y_offset / view->scale;
1091 if (view->rotation == 0) {
1094 } else if (view->rotation == 90) {
1096 y = width - x_offset;
1097 } else if (view->rotation == 180) {
1098 x = width - x_offset;
1099 y = height - y_offset;
1100 } else if (view->rotation == 270) {
1101 x = height - y_offset;
1104 g_assert_not_reached ();
1115 ev_view_get_link_at_location (EvView *view,
1120 gint x_offset = 0, y_offset = 0;
1121 gint x_new = 0, y_new = 0;
1122 GList *link_mapping;
1124 if (!EV_IS_DOCUMENT_LINKS (view->document))
1127 x += view->scroll_x;
1128 y += view->scroll_y;
1130 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1136 if (get_doc_point_from_offset (view, page, x_offset,
1137 y_offset, &x_new, &y_new) == FALSE)
1140 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1143 return ev_link_mapping_find (link_mapping, x_new, y_new);
1149 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1154 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - ev_link_dest_get_left (dest),
1155 ev_link_dest_get_bottom (dest) - ev_link_dest_get_top (dest),
1156 ev_view_get_width (view),
1157 ev_view_get_height (view), 0, 0);
1159 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1160 ev_view_set_zoom (view, zoom, FALSE);
1162 doc_point.x = ev_link_dest_get_left (dest);
1163 doc_point.y = ev_link_dest_get_top (dest);
1165 view->current_page = ev_link_dest_get_page (dest);
1166 view->pending_point = doc_point;
1167 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1169 gtk_widget_queue_resize (GTK_WIDGET (view));
1173 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1176 int doc_width, doc_height, page;
1179 page = ev_link_dest_get_page (dest);
1180 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1182 doc_point.x = ev_link_dest_get_left (dest);
1185 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1186 ev_view_get_width (view),
1187 ev_view_get_height (view), 0);
1189 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1190 ev_view_set_zoom (view, zoom, FALSE);
1192 view->current_page = page;
1193 view->pending_point = doc_point;
1194 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1196 gtk_widget_queue_resize (GTK_WIDGET (view));
1200 goto_fith_dest (EvView *view, EvLinkDest *dest)
1203 int doc_width, doc_height, page;
1206 page = ev_link_dest_get_page (dest);
1207 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1210 doc_point.y = ev_link_dest_get_top (dest);
1212 zoom = zoom_for_size_fit_width (doc_width, ev_link_dest_get_top (dest),
1213 ev_view_get_width (view),
1214 ev_view_get_height (view), 0);
1216 ev_view_set_sizing_mode (view, EV_SIZING_FIT_WIDTH);
1217 ev_view_set_zoom (view, zoom, FALSE);
1219 view->current_page = page;
1220 view->pending_point = doc_point;
1221 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1223 gtk_widget_queue_resize (GTK_WIDGET (view));
1227 goto_fit_dest (EvView *view, EvLinkDest *dest)
1230 int doc_width, doc_height;
1233 page = ev_link_dest_get_page (dest);
1234 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1236 zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view),
1237 ev_view_get_height (view), 0, 0);
1239 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
1240 ev_view_set_zoom (view, zoom, FALSE);
1242 view->current_page = page;
1243 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1245 gtk_widget_queue_resize (GTK_WIDGET (view));
1249 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1255 zoom = ev_link_dest_get_zoom (dest);
1256 page = ev_link_dest_get_page (dest);
1259 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1260 ev_view_set_zoom (view, zoom, FALSE);
1263 doc_point.x = ev_link_dest_get_left (dest);
1264 doc_point.y = ev_link_dest_get_top (dest);
1266 view->current_page = page;
1267 view->pending_point = doc_point;
1268 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1270 gtk_widget_queue_resize (GTK_WIDGET (view));
1274 goto_dest (EvView *view, EvLinkDest *dest)
1276 EvLinkDestType type;
1277 int page, n_pages, current_page;
1279 page = ev_link_dest_get_page (dest);
1280 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1282 if (page < 0 || page >= n_pages)
1285 current_page = view->current_page;
1287 type = ev_link_dest_get_dest_type (dest);
1290 case EV_LINK_DEST_TYPE_PAGE:
1291 ev_page_cache_set_current_page (view->page_cache, page);
1293 case EV_LINK_DEST_TYPE_FIT:
1294 goto_fit_dest (view, dest);
1296 case EV_LINK_DEST_TYPE_FITH:
1297 goto_fith_dest (view, dest);
1299 case EV_LINK_DEST_TYPE_FITV:
1300 goto_fitv_dest (view, dest);
1302 case EV_LINK_DEST_TYPE_FITR:
1303 goto_fitr_dest (view, dest);
1305 case EV_LINK_DEST_TYPE_XYZ:
1306 goto_xyz_dest (view, dest);
1308 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1309 ev_page_cache_set_page_label (view->page_cache, ev_link_dest_get_page_label (dest));
1312 g_assert_not_reached ();
1315 if (current_page != view->current_page)
1316 ev_page_cache_set_current_page (view->page_cache,
1317 view->current_page);
1321 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1323 EvLinkDestType type;
1325 type = ev_link_dest_get_dest_type (dest);
1327 if (type == EV_LINK_DEST_TYPE_NAMED) {
1329 const gchar *named_dest;
1331 named_dest = ev_link_dest_get_named_dest (dest);
1332 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1335 goto_dest (view, dest2);
1336 g_object_unref (dest2);
1342 goto_dest (view, dest);
1346 ev_view_handle_link (EvView *view, EvLink *link)
1348 EvLinkAction *action = NULL;
1349 EvLinkActionType type;
1351 action = ev_link_get_action (link);
1355 type = ev_link_action_get_action_type (action);
1358 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1361 dest = ev_link_action_get_dest (action);
1362 ev_view_goto_dest (view, dest);
1365 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1366 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1367 case EV_LINK_ACTION_TYPE_LAUNCH:
1368 case EV_LINK_ACTION_TYPE_NAMED:
1369 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1375 page_label_from_dest (EvView *view, EvLinkDest *dest)
1377 EvLinkDestType type;
1380 type = ev_link_dest_get_dest_type (dest);
1383 case EV_LINK_DEST_TYPE_NAMED: {
1385 const gchar *named_dest;
1387 named_dest = ev_link_dest_get_named_dest (dest);
1388 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1391 msg = ev_page_cache_get_page_label (view->page_cache,
1392 ev_link_dest_get_page (dest2));
1393 g_object_unref (dest2);
1399 msg = ev_page_cache_get_page_label (view->page_cache,
1400 ev_link_dest_get_page (dest));
1407 tip_from_action_named (EvLinkAction *action)
1409 const gchar *name = ev_link_action_get_name (action);
1411 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1412 return g_strdup (_("Go to first page"));
1413 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1414 return g_strdup (_("Go to previous page"));
1415 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1416 return g_strdup (_("Go to next page"));
1417 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1418 return g_strdup (_("Go to last page"));
1419 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1420 return g_strdup (_("Go to page"));
1421 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1422 return g_strdup (_("Find"));
1429 tip_from_link (EvView *view, EvLink *link)
1431 EvLinkAction *action;
1432 EvLinkActionType type;
1437 action = ev_link_get_action (link);
1438 title = ev_link_get_title (link);
1441 return title ? g_strdup (title) : NULL;
1443 type = ev_link_action_get_action_type (action);
1446 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1447 page_label = page_label_from_dest (view,
1448 ev_link_action_get_dest (action));
1449 msg = g_strdup_printf (_("Go to page %s"), page_label);
1450 g_free (page_label);
1452 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1454 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1455 ev_link_action_get_filename (action));
1457 msg = g_strdup_printf (_("Go to file “%s”"),
1458 ev_link_action_get_filename (action));
1462 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1463 msg = g_strdup (ev_link_action_get_uri (action));
1465 case EV_LINK_ACTION_TYPE_LAUNCH:
1466 msg = g_strdup_printf (_("Launch %s"),
1467 ev_link_action_get_filename (action));
1469 case EV_LINK_ACTION_TYPE_NAMED:
1470 msg = tip_from_action_named (action);
1474 msg = g_strdup (title);
1482 handle_link_over_xy (EvView *view, gint x, gint y)
1486 link = ev_view_get_link_at_location (view, x, y);
1488 if (view->link_tooltip == NULL) {
1489 view->link_tooltip = ev_tooltip_new (GTK_WIDGET (view));
1492 if (view->hovered_link != link) {
1493 view->hovered_link = link;
1494 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
1498 char *msg = tip_from_link (view, link);
1500 if (msg && g_utf8_validate (msg, -1, NULL)) {
1501 EvTooltip *tooltip = EV_TOOLTIP (view->link_tooltip);
1503 ev_tooltip_set_position (tooltip, x, y);
1504 ev_tooltip_set_text (tooltip, msg);
1505 ev_tooltip_activate (tooltip);
1509 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1510 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1511 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1513 ev_view_set_status (view, NULL);
1514 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1515 view->cursor == EV_VIEW_CURSOR_IBEAM)
1516 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1523 ev_view_get_image_at_location (EvView *view,
1528 gint x_offset = 0, y_offset = 0;
1529 gint x_new = 0, y_new = 0;
1530 GList *image_mapping;
1532 if (!EV_IS_DOCUMENT_IMAGES (view->document))
1535 x += view->scroll_x;
1536 y += view->scroll_y;
1538 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1543 if (get_doc_point_from_offset (view, page, x_offset,
1544 y_offset, &x_new, &y_new) == FALSE)
1547 image_mapping = ev_pixbuf_cache_get_image_mapping (view->pixbuf_cache, page);
1550 return ev_image_mapping_find (image_mapping, x_new, y_new);
1555 /*** GtkWidget implementation ***/
1558 ev_view_size_request_continuous_dual_page (EvView *view,
1559 GtkRequisition *requisition)
1565 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1566 view->scale, &max_width);
1567 compute_border (view, max_width, max_width, &border);
1569 n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1;
1571 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
1572 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1574 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1575 requisition->width = 1;
1576 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1577 requisition->width = 1;
1578 /* FIXME: This could actually be set on one page docs or docs
1579 * with a strange aspect ratio. */
1580 /* requisition->height = 1;*/
1585 ev_view_size_request_continuous (EvView *view,
1586 GtkRequisition *requisition)
1593 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1594 view->scale, &max_width);
1595 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1596 compute_border (view, max_width, max_width, &border);
1598 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
1599 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1601 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1602 requisition->width = 1;
1603 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1604 requisition->width = 1;
1605 /* FIXME: This could actually be set on one page docs or docs
1606 * with a strange aspect ratio. */
1607 /* requisition->height = 1;*/
1612 ev_view_size_request_dual_page (EvView *view,
1613 GtkRequisition *requisition)
1618 /* Find the largest of the two. */
1619 ev_page_cache_get_size (view->page_cache,
1624 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) {
1625 gint width_2, height_2;
1626 ev_page_cache_get_size (view->page_cache,
1627 view->current_page + 1,
1630 &width_2, &height_2);
1631 if (width_2 > width) {
1636 compute_border (view, width, height, &border);
1638 requisition->width = ((width + border.left + border.right) * 2) +
1639 (view->spacing * 3);
1640 requisition->height = (height + border.top + border.bottom) +
1641 (view->spacing * 2);
1643 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1644 requisition->width = 1;
1645 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1646 requisition->width = 1;
1647 requisition->height = 1;
1652 ev_view_size_request_single_page (EvView *view,
1653 GtkRequisition *requisition)
1658 ev_page_cache_get_size (view->page_cache,
1663 compute_border (view, width, height, &border);
1665 requisition->width = width + border.left + border.right + (2 * view->spacing);
1666 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1668 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1669 requisition->width = 1;
1670 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1671 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1672 requisition->width = 1;
1673 requisition->height = 1;
1678 ev_view_size_request (GtkWidget *widget,
1679 GtkRequisition *requisition)
1681 EvView *view = EV_VIEW (widget);
1683 if (view->document == NULL) {
1684 requisition->width = 1;
1685 requisition->height = 1;
1689 if (view->presentation) {
1690 requisition->width = 1;
1691 requisition->height = 1;
1695 if (view->continuous && view->dual_page)
1696 ev_view_size_request_continuous_dual_page (view, requisition);
1697 else if (view->continuous)
1698 ev_view_size_request_continuous (view, requisition);
1699 else if (view->dual_page)
1700 ev_view_size_request_dual_page (view, requisition);
1702 ev_view_size_request_single_page (view, requisition);
1706 ev_view_size_allocate (GtkWidget *widget,
1707 GtkAllocation *allocation)
1709 EvView *view = EV_VIEW (widget);
1711 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
1712 view->sizing_mode == EV_SIZING_BEST_FIT) {
1714 g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0);
1716 ev_view_size_request (widget, &widget->requisition);
1719 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
1720 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
1723 view_update_range_and_current_page (view);
1725 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
1726 view->pending_resize = FALSE;
1728 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
1732 ev_view_realize (GtkWidget *widget)
1734 EvView *view = EV_VIEW (widget);
1735 GdkWindowAttr attributes;
1737 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
1739 attributes.window_type = GDK_WINDOW_CHILD;
1740 attributes.wclass = GDK_INPUT_OUTPUT;
1741 attributes.visual = gtk_widget_get_visual (widget);
1742 attributes.colormap = gtk_widget_get_colormap (widget);
1744 attributes.x = widget->allocation.x;
1745 attributes.y = widget->allocation.y;
1746 attributes.width = widget->allocation.width;
1747 attributes.height = widget->allocation.height;
1748 attributes.event_mask = GDK_EXPOSURE_MASK |
1749 GDK_BUTTON_PRESS_MASK |
1750 GDK_BUTTON_RELEASE_MASK |
1752 GDK_KEY_PRESS_MASK |
1753 GDK_POINTER_MOTION_MASK |
1754 GDK_POINTER_MOTION_HINT_MASK |
1755 GDK_ENTER_NOTIFY_MASK |
1756 GDK_LEAVE_NOTIFY_MASK;
1758 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
1760 GDK_WA_X | GDK_WA_Y |
1763 gdk_window_set_user_data (widget->window, widget);
1764 widget->style = gtk_style_attach (widget->style, widget->window);
1766 if (view->presentation)
1767 gdk_window_set_background (widget->window, &widget->style->black);
1769 gdk_window_set_background (widget->window, &widget->style->mid [GTK_STATE_NORMAL]);
1773 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
1775 EvView *view = EV_VIEW (widget);
1778 state = event->state & gtk_accelerator_get_default_mod_mask ();
1780 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
1781 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1783 if (event->direction == GDK_SCROLL_UP ||
1784 event->direction == GDK_SCROLL_LEFT) {
1785 if (ev_view_can_zoom_in (view)) {
1786 ev_view_zoom_in (view);
1789 if (ev_view_can_zoom_out (view)) {
1790 ev_view_zoom_out (view);
1797 view->jump_to_find_result = FALSE;
1798 /* Shift+Wheel scrolls the in the perpendicular direction */
1799 if (state & GDK_SHIFT_MASK) {
1800 if (event->direction == GDK_SCROLL_UP)
1801 event->direction = GDK_SCROLL_LEFT;
1802 if (event->direction == GDK_SCROLL_LEFT)
1803 event->direction = GDK_SCROLL_UP;
1804 if (event->direction == GDK_SCROLL_DOWN)
1805 event->direction = GDK_SCROLL_RIGHT;
1806 if (event->direction == GDK_SCROLL_RIGHT)
1807 event->direction = GDK_SCROLL_DOWN;
1809 event->state &= ~GDK_SHIFT_MASK;
1810 state &= ~GDK_SHIFT_MASK;
1813 if (state == 0 && view->presentation) {
1814 switch (event->direction) {
1815 case GDK_SCROLL_DOWN:
1816 case GDK_SCROLL_RIGHT:
1817 ev_view_next_page (view);
1820 case GDK_SCROLL_LEFT:
1821 ev_view_previous_page (view);
1831 static EvViewSelection *
1832 find_selection_for_page (EvView *view,
1837 for (list = view->selection_info.selections; list != NULL; list = list->next) {
1838 EvViewSelection *selection;
1840 selection = (EvViewSelection *) list->data;
1842 if (selection->page == page)
1850 draw_end_presentation_page (EvView *view,
1851 GdkRectangle *page_area)
1853 PangoLayout *layout;
1854 PangoFontDescription *font_desc;
1856 const gchar *text = _("End of presentation. Press Escape to exit.");
1858 if (view->presentation_state != EV_PRESENTATION_END)
1861 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), NULL);
1862 markup = g_strdup_printf ("<span foreground=\"white\">%s</span>", text);
1863 pango_layout_set_markup (layout, markup, -1);
1866 font_desc = pango_font_description_new ();
1867 pango_font_description_set_size (font_desc, 16 * PANGO_SCALE);
1868 pango_layout_set_font_description (layout, font_desc);
1870 gtk_paint_layout (GTK_WIDGET (view)->style,
1871 GTK_WIDGET (view)->window,
1872 GTK_WIDGET_STATE (view),
1881 pango_font_description_free (font_desc);
1882 g_object_unref (layout);
1886 ev_view_expose_event (GtkWidget *widget,
1887 GdkEventExpose *event)
1889 EvView *view = EV_VIEW (widget);
1892 if (view->presentation) {
1893 switch (view->presentation_state) {
1894 case EV_PRESENTATION_END: {
1895 GdkRectangle area = {0};
1897 area.width = widget->allocation.width;
1898 area.height = widget->allocation.height;
1900 draw_end_presentation_page (view, &area);
1903 case EV_PRESENTATION_BLACK:
1904 case EV_PRESENTATION_WHITE:
1906 case EV_PRESENTATION_NORMAL:
1912 if (view->loading) {
1913 GdkRectangle area = {0};
1915 area.width = widget->allocation.width;
1916 area.height = widget->allocation.height;
1918 draw_loading_text (view,
1923 if (view->document == NULL)
1926 for (i = view->start_page; i <= view->end_page; i++) {
1927 GdkRectangle page_area;
1929 gboolean page_ready = TRUE;
1931 if (!get_page_extents (view, i, &page_area, &border))
1934 page_area.x -= view->scroll_x;
1935 page_area.y -= view->scroll_y;
1937 draw_one_page (view, i, &page_area, &border, &(event->area), &page_ready);
1939 if (page_ready && EV_IS_DOCUMENT_FIND (view->document))
1940 highlight_find_results (view, i);
1947 ev_view_do_popup_menu (EvView *view,
1954 image = ev_view_get_image_at_location (view, x, y);
1956 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, image);
1960 link = ev_view_get_link_at_location (view, x, y);
1962 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
1966 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, NULL);
1972 ev_view_popup_menu (GtkWidget *widget)
1976 gtk_widget_get_pointer (widget, &x, &y);
1977 return ev_view_do_popup_menu (EV_VIEW (widget), x, y);
1981 ev_view_button_press_event (GtkWidget *widget,
1982 GdkEventButton *event)
1984 EvView *view = EV_VIEW (widget);
1986 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
1987 gtk_widget_grab_focus (widget);
1990 view->pressed_button = event->button;
1991 view->selection_info.in_drag = FALSE;
1993 switch (event->button) {
1997 if (view->selection_info.selections) {
1998 if (location_in_selected_text (view,
1999 event->x + view->scroll_x,
2000 event->y + view->scroll_y)) {
2001 view->selection_info.in_drag = TRUE;
2003 clear_selection (view);
2006 gtk_widget_queue_draw (widget);
2007 } else if ((image = ev_view_get_image_at_location (view, event->x, event->y))) {
2008 if (view->image_dnd_info.image)
2009 g_object_unref (view->image_dnd_info.image);
2010 view->image_dnd_info.image = g_object_ref (image);
2011 view->image_dnd_info.in_drag = TRUE;
2013 view->image_dnd_info.start.x = event->x + view->scroll_x;
2014 view->image_dnd_info.start.y = event->y + view->scroll_y;
2017 view->selection_info.start.x = event->x + view->scroll_x;
2018 view->selection_info.start.y = event->y + view->scroll_y;
2022 /* use root coordinates as reference point because
2023 * scrolling changes window relative coordinates */
2024 view->drag_info.start.x = event->x_root;
2025 view->drag_info.start.y = event->y_root;
2026 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
2027 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
2029 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
2033 return ev_view_do_popup_menu (view, event->x, event->y);
2039 /*** Drag and Drop ***/
2041 ev_view_drag_data_get (GtkWidget *widget,
2042 GdkDragContext *context,
2043 GtkSelectionData *selection_data,
2047 EvView *view = EV_VIEW (widget);
2050 case TARGET_DND_TEXT:
2051 if (view->selection_info.selections &&
2052 ev_document_can_get_text (view->document)) {
2055 text = get_selected_text (view);
2057 gtk_selection_data_set_text (selection_data,
2064 case TARGET_DND_IMAGE:
2065 if (view->image_dnd_info.image) {
2068 pixbuf = ev_image_get_pixbuf (view->image_dnd_info.image);
2069 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
2072 case TARGET_DND_URI:
2073 if (view->image_dnd_info.image) {
2074 const gchar *tmp_uri;
2077 tmp_uri = ev_image_save_tmp (view->image_dnd_info.image);
2079 uris = g_new0 (gchar *, 2);
2080 uris[0] = (gchar *)tmp_uri;
2082 gtk_selection_data_set_uris (selection_data, uris);
2084 /* g_free instead of g_strfreev since tmp_uri is const */
2091 ev_view_drag_motion (GtkWidget *widget,
2092 GdkDragContext *context,
2097 if (gtk_drag_get_source_widget (context) == widget)
2098 gdk_drag_status (context, 0, time);
2100 gdk_drag_status (context, context->suggested_action, time);
2106 ev_view_drag_data_received (GtkWidget *widget,
2107 GdkDragContext *context,
2110 GtkSelectionData *selection_data,
2116 GSList *uri_list = NULL;
2118 uris = gtk_selection_data_get_uris (selection_data);
2120 gtk_drag_finish (context, FALSE, FALSE, time);
2124 for (i = 0; uris[i]; i++) {
2125 uri_list = g_slist_prepend (uri_list, (gpointer) uris[i]);
2128 ev_application_open_uri_list (EV_APP, uri_list,
2129 gtk_widget_get_screen (widget),
2131 gtk_drag_finish (context, TRUE, FALSE, time);
2134 g_slist_free (uri_list);
2139 selection_update_idle_cb (EvView *view)
2141 compute_selections (view, &view->selection_info.start, &view->motion);
2142 view->selection_update_id = 0;
2147 selection_scroll_timeout_cb (EvView *view)
2149 gint x, y, shift = 0;
2150 GtkWidget *widget = GTK_WIDGET (view);
2152 gtk_widget_get_pointer (widget, &x, &y);
2154 if (y > widget->allocation.height) {
2155 shift = (y - widget->allocation.height) / 2;
2161 gtk_adjustment_set_value (view->vadjustment,
2162 CLAMP (view->vadjustment->value + shift,
2163 view->vadjustment->lower,
2164 view->vadjustment->upper -
2165 view->vadjustment->page_size));
2167 if (x > widget->allocation.width) {
2168 shift = (x - widget->allocation.width) / 2;
2174 gtk_adjustment_set_value (view->hadjustment,
2175 CLAMP (view->hadjustment->value + shift,
2176 view->hadjustment->lower,
2177 view->hadjustment->upper -
2178 view->hadjustment->page_size));
2184 ev_view_motion_notify_event (GtkWidget *widget,
2185 GdkEventMotion *event)
2187 EvView *view = EV_VIEW (widget);
2190 if (!view->document)
2193 if (event->is_hint || event->window != widget->window) {
2194 gtk_widget_get_pointer (widget, &x, &y);
2200 if (view->selection_info.in_drag) {
2201 if (gtk_drag_check_threshold (widget,
2202 view->selection_info.start.x,
2203 view->selection_info.start.y,
2205 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
2207 gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT);
2209 gtk_drag_begin (widget, target_list,
2211 1, (GdkEvent *)event);
2213 view->selection_info.in_drag = FALSE;
2215 gtk_target_list_unref (target_list);
2219 } else if (view->image_dnd_info.in_drag) {
2220 if (gtk_drag_check_threshold (widget,
2221 view->selection_info.start.x,
2222 view->selection_info.start.y,
2224 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
2226 gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI);
2227 gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE);
2229 gtk_drag_begin (widget, target_list,
2231 1, (GdkEvent *)event);
2233 view->image_dnd_info.in_drag = FALSE;
2235 gtk_target_list_unref (target_list);
2241 /* For the Evince 0.4.x release, we limit selection to un-rotated
2244 if (view->pressed_button == 1 && view->rotation == 0) {
2246 /* Schedule timeout to scroll during selection and additionally
2247 * scroll once to allow arbitrary speed. */
2248 if (!view->selection_scroll_id)
2249 view->selection_scroll_id = g_timeout_add (SCROLL_TIME, (GSourceFunc)selection_scroll_timeout_cb, view);
2251 selection_scroll_timeout_cb (view);
2253 view->selection_info.in_selection = TRUE;
2254 view->motion.x = x + view->scroll_x;
2255 view->motion.y = y + view->scroll_y;
2257 /* Queue an idle to handle the motion. We do this because
2258 * handling any selection events in the motion could be slower
2259 * than new motion events reach us. We always put it in the
2260 * idle to make sure we catch up and don't visibly lag the
2262 if (!view->selection_update_id)
2263 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
2266 } else if (view->pressed_button == 2) {
2267 if (!view->drag_info.in_drag) {
2270 start = gtk_drag_check_threshold (widget,
2271 view->drag_info.start.x,
2272 view->drag_info.start.y,
2275 view->drag_info.in_drag = start;
2278 if (view->drag_info.in_drag) {
2280 gdouble dhadj_value, dvadj_value;
2282 dx = event->x_root - view->drag_info.start.x;
2283 dy = event->y_root - view->drag_info.start.y;
2285 dhadj_value = view->hadjustment->page_size *
2286 (gdouble)dx / widget->allocation.width;
2287 dvadj_value = view->vadjustment->page_size *
2288 (gdouble)dy / widget->allocation.height;
2290 /* clamp scrolling to visible area */
2291 gtk_adjustment_set_value (view->hadjustment,
2292 MIN(view->drag_info.hadj - dhadj_value,
2293 view->hadjustment->upper -
2294 view->hadjustment->page_size));
2295 gtk_adjustment_set_value (view->vadjustment,
2296 MIN(view->drag_info.vadj - dvadj_value,
2297 view->vadjustment->upper -
2298 view->vadjustment->page_size));
2302 } else if (view->pressed_button <= 0) {
2303 handle_link_over_xy (view, x, y);
2311 ev_view_button_release_event (GtkWidget *widget,
2312 GdkEventButton *event)
2314 EvView *view = EV_VIEW (widget);
2317 if (view->pressed_button == 2) {
2318 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
2321 if (view->document && view->pressed_button == 1) {
2322 link = ev_view_get_link_at_location (view, event->x, event->y);
2327 view->pressed_button = -1;
2328 view->drag_info.in_drag = FALSE;
2329 view->image_dnd_info.in_drag = FALSE;
2331 if (view->selection_scroll_id) {
2332 g_source_remove (view->selection_scroll_id);
2333 view->selection_scroll_id = 0;
2335 if (view->selection_update_id) {
2336 g_source_remove (view->selection_update_id);
2337 view->selection_update_id = 0;
2340 if (view->selection_info.selections) {
2341 ev_view_update_primary_selection (view);
2343 if (view->selection_info.in_drag) {
2344 clear_selection (view);
2345 gtk_widget_queue_draw (widget);
2348 view->selection_info.in_drag = FALSE;
2350 ev_view_handle_link (view, link);
2351 } else if (view->presentation) {
2352 switch (event->button) {
2354 ev_view_next_page (view);
2357 ev_view_previous_page (view);
2366 /* Cut and paste from gtkwindow.c */
2368 send_focus_change (GtkWidget *widget,
2371 GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE);
2373 g_object_ref (widget);
2376 GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
2378 GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
2380 fevent->focus_change.type = GDK_FOCUS_CHANGE;
2381 fevent->focus_change.window = g_object_ref (widget->window);
2382 fevent->focus_change.in = in;
2384 gtk_widget_event (widget, fevent);
2386 g_object_notify (G_OBJECT (widget), "has-focus");
2388 g_object_unref (widget);
2389 gdk_event_free (fevent);
2393 ev_view_goto_window_hide (EvView *view)
2395 /* send focus-in event */
2396 send_focus_change (view->goto_entry, FALSE);
2397 gtk_widget_hide (view->goto_window);
2398 gtk_entry_set_text (GTK_ENTRY (view->goto_entry), "");
2402 ev_view_goto_window_delete_event (GtkWidget *widget,
2406 ev_view_goto_window_hide (view);
2412 key_is_numeric (guint keyval)
2414 return ((keyval >= GDK_0 && keyval <= GDK_9) ||
2415 (keyval >= GDK_KP_0 && keyval <= GDK_KP_9));
2419 ev_view_goto_window_key_press_event (GtkWidget *widget,
2423 switch (event->keyval) {
2427 case GDK_ISO_Left_Tab:
2428 ev_view_goto_window_hide (view);
2435 if (!key_is_numeric (event->keyval))
2443 ev_view_goto_window_button_press_event (GtkWidget *widget,
2444 GdkEventButton *event,
2447 ev_view_goto_window_hide (view);
2453 ev_view_goto_entry_activate (GtkEntry *entry,
2459 text = gtk_entry_get_text (entry);
2460 page = atoi (text) - 1;
2462 ev_view_goto_window_hide (view);
2465 page < ev_page_cache_get_n_pages (view->page_cache))
2466 ev_page_cache_set_current_page (view->page_cache, page);
2470 ev_view_goto_window_create (EvView *view)
2472 GtkWidget *frame, *hbox, *toplevel, *label;
2474 toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view));
2476 if (view->goto_window) {
2477 if (GTK_WINDOW (toplevel)->group)
2478 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
2479 GTK_WINDOW (view->goto_window));
2480 else if (GTK_WINDOW (view->goto_window)->group)
2481 gtk_window_group_remove_window (GTK_WINDOW (view->goto_window)->group,
2482 GTK_WINDOW (view->goto_window));
2486 view->goto_window = gtk_window_new (GTK_WINDOW_POPUP);
2488 if (GTK_WINDOW (toplevel)->group)
2489 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
2490 GTK_WINDOW (view->goto_window));
2492 gtk_window_set_modal (GTK_WINDOW (view->goto_window), TRUE);
2494 g_signal_connect (view->goto_window, "delete_event",
2495 G_CALLBACK (ev_view_goto_window_delete_event),
2497 g_signal_connect (view->goto_window, "key_press_event",
2498 G_CALLBACK (ev_view_goto_window_key_press_event),
2500 g_signal_connect (view->goto_window, "button_press_event",
2501 G_CALLBACK (ev_view_goto_window_button_press_event),
2504 frame = gtk_frame_new (NULL);
2505 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
2506 gtk_container_add (GTK_CONTAINER (view->goto_window), frame);
2507 gtk_widget_show (frame);
2509 hbox = gtk_hbox_new (FALSE, 0);
2510 gtk_container_set_border_width (GTK_CONTAINER (hbox), 3);
2511 gtk_container_add (GTK_CONTAINER (frame), hbox);
2512 gtk_widget_show (hbox);
2514 label = gtk_label_new(_("Jump to page:"));
2515 gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 3);
2516 gtk_widget_show (label);
2517 gtk_widget_realize (label);
2519 view->goto_entry = gtk_entry_new ();
2520 g_signal_connect (view->goto_entry, "activate",
2521 G_CALLBACK (ev_view_goto_entry_activate),
2523 gtk_box_pack_start_defaults (GTK_BOX (hbox), view->goto_entry);
2524 gtk_widget_show (view->goto_entry);
2525 gtk_widget_realize (view->goto_entry);
2529 ev_view_goto_entry_grab_focus (EvView *view)
2531 GtkWidgetClass *entry_parent_class;
2533 entry_parent_class = g_type_class_peek_parent (GTK_ENTRY_GET_CLASS (view->goto_entry));
2534 (entry_parent_class->grab_focus) (view->goto_entry);
2536 send_focus_change (view->goto_entry, TRUE);
2540 ev_view_goto_window_send_key_event (EvView *view,
2543 GdkEventKey *new_event;
2546 /* Move goto window off screen */
2547 screen = gtk_widget_get_screen (GTK_WIDGET (view));
2548 gtk_window_move (GTK_WINDOW (view->goto_window),
2549 gdk_screen_get_width (screen) + 1,
2550 gdk_screen_get_height (screen) + 1);
2551 gtk_widget_show (view->goto_window);
2553 new_event = (GdkEventKey *) gdk_event_copy (event);
2554 g_object_unref (new_event->window);
2555 new_event->window = g_object_ref (view->goto_window->window);
2556 gtk_widget_realize (view->goto_window);
2558 gtk_widget_event (view->goto_window, (GdkEvent *)new_event);
2559 gdk_event_free ((GdkEvent *)new_event);
2560 gtk_widget_hide (view->goto_window);
2564 ev_view_key_press_event (GtkWidget *widget,
2567 EvView *view = EV_VIEW (widget);
2568 EvPresentationState current;
2570 if (!view->presentation ||
2571 view->presentation_state == EV_PRESENTATION_END)
2572 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
2575 current = view->presentation_state;
2577 switch (event->keyval) {
2580 view->presentation_state =
2581 (view->presentation_state == EV_PRESENTATION_BLACK) ?
2582 EV_PRESENTATION_NORMAL : EV_PRESENTATION_BLACK;
2586 view->presentation_state =
2587 (view->presentation_state == EV_PRESENTATION_WHITE) ?
2588 EV_PRESENTATION_NORMAL : EV_PRESENTATION_WHITE;
2591 if (view->presentation_state == EV_PRESENTATION_BLACK ||
2592 view->presentation_state == EV_PRESENTATION_WHITE) {
2593 view->presentation_state = EV_PRESENTATION_NORMAL;
2597 if (current == view->presentation_state) {
2598 if (ev_page_cache_get_n_pages (view->page_cache) > 1 &&
2599 key_is_numeric (event->keyval)) {
2602 ev_view_goto_window_create (view);
2603 ev_view_goto_window_send_key_event (view, (GdkEvent *)event);
2604 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
2605 gtk_window_move (GTK_WINDOW (view->goto_window), x, y);
2606 gtk_widget_show (view->goto_window);
2607 ev_view_goto_entry_grab_focus (view);
2612 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
2615 switch (view->presentation_state) {
2616 case EV_PRESENTATION_NORMAL:
2617 case EV_PRESENTATION_BLACK:
2618 gdk_window_set_background (widget->window,
2619 &widget->style->black);
2621 case EV_PRESENTATION_WHITE:
2622 gdk_window_set_background (widget->window,
2623 &widget->style->white);
2626 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
2629 gtk_widget_queue_draw (widget);
2634 ev_view_focus_in (GtkWidget *widget,
2635 GdkEventFocus *event)
2637 if (EV_VIEW (widget)->pixbuf_cache)
2638 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
2639 gtk_widget_queue_draw (widget);
2645 ev_view_focus_out (GtkWidget *widget,
2646 GdkEventFocus *event)
2648 if (EV_VIEW (widget)->goto_window)
2649 ev_view_goto_window_hide (EV_VIEW (widget));
2651 if (EV_VIEW (widget)->pixbuf_cache)
2652 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
2653 gtk_widget_queue_draw (widget);
2659 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
2661 EvView *view = EV_VIEW (widget);
2663 ev_view_set_status (view, NULL);
2665 if (view->cursor == EV_VIEW_CURSOR_LINK ||
2666 view->cursor == EV_VIEW_CURSOR_IBEAM)
2667 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
2669 if (view->link_tooltip) {
2670 view->hovered_link = NULL;
2671 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
2678 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
2680 EvView *view = EV_VIEW (widget);
2682 handle_link_over_xy (view, event->x, event->y);
2688 ev_view_style_set (GtkWidget *widget,
2689 GtkStyle *old_style)
2691 if (EV_VIEW (widget)->pixbuf_cache)
2692 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
2694 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
2700 ev_gdk_color_to_rgb (const GdkColor *color)
2703 result = (0xff0000 | (color->red & 0xff00));
2705 result |= ((color->green & 0xff00) | (color->blue >> 8));
2710 draw_rubberband (GtkWidget *widget, GdkWindow *window,
2711 const GdkRectangle *rect, guchar alpha)
2715 GdkColor *fill_color_gdk;
2718 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
2719 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
2721 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
2722 rect->width, rect->height);
2723 gdk_pixbuf_fill (pixbuf, fill_color);
2725 gdk_draw_pixbuf (window, NULL, pixbuf,
2727 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
2728 rect->width, rect->height,
2729 GDK_RGB_DITHER_NONE,
2732 g_object_unref (pixbuf);
2734 gc = gdk_gc_new (window);
2735 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
2736 gdk_draw_rectangle (window, gc, FALSE,
2737 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
2740 g_object_unref (gc);
2742 gdk_color_free (fill_color_gdk);
2747 highlight_find_results (EvView *view, int page)
2749 EvDocumentFind *find;
2752 g_return_if_fail (EV_IS_DOCUMENT_FIND (view->document));
2754 find = EV_DOCUMENT_FIND (view->document);
2756 results = ev_document_find_get_n_results (find, page);
2758 for (i = 0; i < results; i++) {
2759 EvRectangle rectangle;
2760 GdkRectangle view_rectangle;
2763 if (i == view->find_result && page == view->current_page) {
2769 ev_document_find_get_result (find, page, i, &rectangle);
2770 doc_rect_to_view_rect (view, page, &rectangle, &view_rectangle);
2771 draw_rubberband (GTK_WIDGET (view), GTK_WIDGET(view)->window,
2772 &view_rectangle, alpha);
2777 draw_loading_text (EvView *view,
2778 GdkRectangle *page_area,
2779 GdkRectangle *expose_area)
2781 const char *loading_text;
2782 PangoLayout *layout;
2783 PangoFontDescription *font_desc;
2784 PangoRectangle logical_rect;
2788 /* Don't annoy users with loading messages during presentations.
2789 * FIXME: Temporary "workaround" for
2790 * http://bugzilla.gnome.org/show_bug.cgi?id=320352 */
2791 if (view->presentation)
2794 loading_text = _("Loading...");
2796 ev_document_fc_mutex_lock ();
2798 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
2800 font_desc = pango_font_description_new ();
2803 /* We set the font to be 10 points, get the size, and scale appropriately */
2804 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
2805 pango_layout_set_font_description (layout, font_desc);
2806 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2808 /* Make sure we fit the middle of the page */
2809 target_width = MAX (page_area->width / 2, 1);
2810 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
2811 pango_font_description_set_size (font_desc, (int)real_scale);
2812 pango_layout_set_font_description (layout, font_desc);
2813 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2815 gtk_paint_layout (GTK_WIDGET (view)->style,
2816 GTK_WIDGET (view)->window,
2817 GTK_WIDGET_STATE (view),
2822 page_area->x + (target_width/2),
2823 page_area->y + (page_area->height - logical_rect.height) / 2,
2826 pango_font_description_free (font_desc);
2827 g_object_unref (layout);
2829 ev_document_fc_mutex_unlock ();
2833 draw_one_page (EvView *view,
2835 GdkRectangle *page_area,
2837 GdkRectangle *expose_area,
2838 gboolean *page_ready)
2841 GdkPixbuf *current_pixbuf;
2842 GdkRectangle overlap;
2843 GdkRectangle real_page_area;
2844 EvViewSelection *selection;
2847 g_assert (view->document);
2849 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
2852 current_page = ev_page_cache_get_current_page (view->page_cache);
2853 selection = find_selection_for_page (view, page);
2854 ev_page_cache_get_size (view->page_cache,
2855 page, view->rotation,
2858 /* Render the document itself */
2859 real_page_area = *page_area;
2861 real_page_area.x += border->left;
2862 real_page_area.y += border->top;
2863 real_page_area.width -= (border->left + border->right);
2864 real_page_area.height -= (border->top + border->bottom);
2867 ev_document_misc_paint_one_page (GTK_WIDGET(view)->window,
2870 page == current_page);
2872 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
2873 GdkPixbuf *selection_pixbuf = NULL;
2874 GdkPixbuf *scaled_image;
2875 GdkPixbuf *scaled_selection;
2877 current_pixbuf = ev_pixbuf_cache_get_pixbuf (view->pixbuf_cache, page);
2879 /* Get the selection pixbuf iff we have something to draw */
2880 if (current_pixbuf && view->selection_mode == EV_VIEW_SELECTION_TEXT && selection)
2881 selection_pixbuf = ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
2886 if (current_pixbuf == NULL)
2887 scaled_image = NULL;
2888 else if (width == gdk_pixbuf_get_width (current_pixbuf) &&
2889 height == gdk_pixbuf_get_height (current_pixbuf))
2890 scaled_image = g_object_ref (current_pixbuf);
2892 /* FIXME: We don't want to scale the whole area, just the right
2894 scaled_image = gdk_pixbuf_scale_simple (current_pixbuf,
2896 GDK_INTERP_NEAREST);
2898 if (selection_pixbuf == NULL)
2899 scaled_selection = NULL;
2900 else if (width == gdk_pixbuf_get_width (selection_pixbuf) &&
2901 height == gdk_pixbuf_get_height (selection_pixbuf))
2902 scaled_selection = g_object_ref (selection_pixbuf);
2904 /* FIXME: We don't want to scale the whole area, just the right
2906 scaled_selection = gdk_pixbuf_scale_simple (selection_pixbuf,
2908 GDK_INTERP_NEAREST);
2911 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2912 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2914 overlap.x - real_page_area.x,
2915 overlap.y - real_page_area.y,
2916 overlap.x, overlap.y,
2917 overlap.width, overlap.height,
2918 GDK_RGB_DITHER_NORMAL,
2920 g_object_unref (scaled_image);
2922 draw_loading_text (view,
2925 *page_ready = FALSE;
2928 if (scaled_selection) {
2929 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2930 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2932 overlap.x - real_page_area.x,
2933 overlap.y - real_page_area.y,
2934 overlap.x, overlap.y,
2935 overlap.width, overlap.height,
2936 GDK_RGB_DITHER_NORMAL,
2938 g_object_unref (scaled_selection);
2943 /*** GObject functions ***/
2946 ev_view_finalize (GObject *object)
2948 EvView *view = EV_VIEW (object);
2952 g_free (view->status);
2953 g_free (view->find_status);
2955 clear_selection (view);
2957 if (view->image_dnd_info.image)
2958 g_object_unref (view->image_dnd_info.image);
2959 view->image_dnd_info.image = NULL;
2961 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
2965 ev_view_destroy (GtkObject *object)
2967 EvView *view = EV_VIEW (object);
2969 if (view->document) {
2970 g_object_unref (view->document);
2971 view->document = NULL;
2974 if (view->pixbuf_cache) {
2975 g_object_unref (view->pixbuf_cache);
2976 view->pixbuf_cache = NULL;
2979 if (view->link_tooltip) {
2980 gtk_widget_destroy (view->link_tooltip);
2981 view->link_tooltip = NULL;
2984 if (view->goto_window) {
2985 gtk_widget_destroy (view->goto_window);
2986 view->goto_window = NULL;
2987 view->goto_entry = NULL;
2990 if (view->selection_scroll_id) {
2991 g_source_remove (view->selection_scroll_id);
2992 view->selection_scroll_id = 0;
2995 if (view->selection_update_id) {
2996 g_source_remove (view->selection_update_id);
2997 view->selection_update_id = 0;
3000 ev_view_presentation_transition_stop (view);
3002 ev_view_set_scroll_adjustments (view, NULL, NULL);
3004 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
3008 ev_view_set_property (GObject *object,
3010 const GValue *value,
3013 EvView *view = EV_VIEW (object);
3016 case PROP_CONTINUOUS:
3017 ev_view_set_continuous (view, g_value_get_boolean (value));
3019 case PROP_DUAL_PAGE:
3020 ev_view_set_dual_page (view, g_value_get_boolean (value));
3022 case PROP_FULLSCREEN:
3023 ev_view_set_fullscreen (view, g_value_get_boolean (value));
3025 case PROP_PRESENTATION:
3026 ev_view_set_presentation (view, g_value_get_boolean (value));
3028 case PROP_SIZING_MODE:
3029 ev_view_set_sizing_mode (view, g_value_get_enum (value));
3032 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
3035 ev_view_set_rotation (view, g_value_get_int (value));
3038 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
3043 ev_view_get_accessible (GtkWidget *widget)
3045 static gboolean first_time = TRUE;
3048 AtkObjectFactory *factory;
3049 AtkRegistry *registry;
3051 GType derived_atk_type;
3054 * Figure out whether accessibility is enabled by looking at the
3055 * type of the accessible object which would be created for
3056 * the parent type of EvView.
3058 derived_type = g_type_parent (EV_TYPE_VIEW);
3060 registry = atk_get_default_registry ();
3061 factory = atk_registry_get_factory (registry,
3063 derived_atk_type = atk_object_factory_get_accessible_type (factory);
3064 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
3065 atk_registry_set_factory_type (registry,
3067 ev_view_accessible_factory_get_type ());
3070 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
3074 ev_view_get_property (GObject *object,
3079 EvView *view = EV_VIEW (object);
3083 g_value_set_string (value, view->status);
3085 case PROP_FIND_STATUS:
3086 g_value_set_string (value, view->status);
3088 case PROP_CONTINUOUS:
3089 g_value_set_boolean (value, view->continuous);
3091 case PROP_DUAL_PAGE:
3092 g_value_set_boolean (value, view->dual_page);
3094 case PROP_FULLSCREEN:
3095 g_value_set_boolean (value, view->fullscreen);
3097 case PROP_PRESENTATION:
3098 g_value_set_boolean (value, view->presentation);
3100 case PROP_SIZING_MODE:
3101 g_value_set_enum (value, view->sizing_mode);
3104 g_value_set_double (value, view->scale);
3107 g_value_set_int (value, view->rotation);
3109 case PROP_HAS_SELECTION:
3110 g_value_set_boolean (value,
3111 view->selection_info.selections != NULL);
3114 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
3119 ev_view_class_init (EvViewClass *class)
3121 GObjectClass *object_class = G_OBJECT_CLASS (class);
3122 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
3123 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
3124 GtkBindingSet *binding_set;
3126 object_class->finalize = ev_view_finalize;
3127 object_class->set_property = ev_view_set_property;
3128 object_class->get_property = ev_view_get_property;
3130 widget_class->expose_event = ev_view_expose_event;
3131 widget_class->button_press_event = ev_view_button_press_event;
3132 widget_class->motion_notify_event = ev_view_motion_notify_event;
3133 widget_class->button_release_event = ev_view_button_release_event;
3134 widget_class->key_press_event = ev_view_key_press_event;
3135 widget_class->focus_in_event = ev_view_focus_in;
3136 widget_class->focus_out_event = ev_view_focus_out;
3137 widget_class->get_accessible = ev_view_get_accessible;
3138 widget_class->size_request = ev_view_size_request;
3139 widget_class->size_allocate = ev_view_size_allocate;
3140 widget_class->realize = ev_view_realize;
3141 widget_class->scroll_event = ev_view_scroll_event;
3142 widget_class->enter_notify_event = ev_view_enter_notify_event;
3143 widget_class->leave_notify_event = ev_view_leave_notify_event;
3144 widget_class->style_set = ev_view_style_set;
3145 widget_class->drag_data_get = ev_view_drag_data_get;
3146 widget_class->drag_motion = ev_view_drag_motion;
3147 widget_class->drag_data_received = ev_view_drag_data_received;
3148 widget_class->popup_menu = ev_view_popup_menu;
3149 gtk_object_class->destroy = ev_view_destroy;
3151 class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
3152 class->binding_activated = ev_view_scroll;
3154 widget_class->set_scroll_adjustments_signal =
3155 g_signal_new ("set-scroll-adjustments",
3156 G_OBJECT_CLASS_TYPE (object_class),
3157 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3158 G_STRUCT_OFFSET (EvViewClass, set_scroll_adjustments),
3160 ev_marshal_VOID__OBJECT_OBJECT,
3162 GTK_TYPE_ADJUSTMENT,
3163 GTK_TYPE_ADJUSTMENT);
3165 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
3166 G_TYPE_FROM_CLASS (object_class),
3167 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3168 G_STRUCT_OFFSET (EvViewClass, binding_activated),
3170 ev_marshal_VOID__ENUM_BOOLEAN,
3172 GTK_TYPE_SCROLL_TYPE,
3175 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
3176 G_TYPE_FROM_CLASS (object_class),
3177 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3178 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
3180 ev_marshal_VOID__VOID,
3181 G_TYPE_NONE, 0, G_TYPE_NONE);
3182 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
3183 G_TYPE_FROM_CLASS (object_class),
3184 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3185 G_STRUCT_OFFSET (EvViewClass, external_link),
3187 g_cclosure_marshal_VOID__OBJECT,
3190 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
3191 G_TYPE_FROM_CLASS (object_class),
3192 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3193 G_STRUCT_OFFSET (EvViewClass, popup_menu),
3195 g_cclosure_marshal_VOID__OBJECT,
3199 g_object_class_install_property (object_class,
3201 g_param_spec_string ("status",
3203 "The status message",
3207 g_object_class_install_property (object_class,
3209 g_param_spec_string ("find-status",
3210 "Find Status Message",
3211 "The find status message",
3215 g_object_class_install_property (object_class,
3217 g_param_spec_boolean ("continuous",
3219 "Continuous scrolling mode",
3221 G_PARAM_READWRITE));
3223 g_object_class_install_property (object_class,
3225 g_param_spec_boolean ("dual-page",
3227 "Two pages visible at once",
3229 G_PARAM_READWRITE));
3230 g_object_class_install_property (object_class,
3232 g_param_spec_boolean ("fullscreen",
3234 "Draw page in a fullscreen fashion",
3236 G_PARAM_READWRITE));
3237 g_object_class_install_property (object_class,
3239 g_param_spec_boolean ("presentation",
3241 "Draw page in presentation mode",
3243 G_PARAM_READWRITE));
3245 g_object_class_install_property (object_class,
3247 g_param_spec_enum ("sizing-mode",
3250 EV_TYPE_SIZING_MODE,
3251 EV_SIZING_FIT_WIDTH,
3252 G_PARAM_READWRITE));
3254 g_object_class_install_property (object_class,
3256 g_param_spec_double ("zoom",
3262 G_PARAM_READWRITE));
3263 g_object_class_install_property (object_class,
3265 g_param_spec_double ("rotation",
3271 G_PARAM_READWRITE));
3272 g_object_class_install_property (object_class,
3274 g_param_spec_boolean ("has-selection",
3276 "The view has selections",
3280 binding_set = gtk_binding_set_by_class (class);
3282 add_scroll_binding_keypad (binding_set, GDK_Left, 0, EV_SCROLL_STEP_BACKWARD, TRUE);
3283 add_scroll_binding_keypad (binding_set, GDK_Right, 0, EV_SCROLL_STEP_FORWARD, TRUE);
3284 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, TRUE);
3285 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, TRUE);
3286 add_scroll_binding_keypad (binding_set, GDK_Up, 0, EV_SCROLL_STEP_BACKWARD, FALSE);
3287 add_scroll_binding_keypad (binding_set, GDK_Down, 0, EV_SCROLL_STEP_FORWARD, FALSE);
3288 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, FALSE);
3289 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, FALSE);
3293 ev_view_init (EvView *view)
3295 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
3299 view->current_page = 0;
3300 view->pressed_button = -1;
3301 view->cursor = EV_VIEW_CURSOR_NORMAL;
3302 view->drag_info.in_drag = FALSE;
3303 view->selection_info.selections = NULL;
3304 view->selection_info.in_selection = FALSE;
3305 view->selection_info.in_drag = FALSE;
3306 view->selection_mode = EV_VIEW_SELECTION_TEXT;
3307 view->continuous = TRUE;
3308 view->dual_page = FALSE;
3309 view->presentation = FALSE;
3310 view->presentation_state = EV_PRESENTATION_NORMAL;
3311 view->fullscreen = FALSE;
3312 view->sizing_mode = EV_SIZING_FIT_WIDTH;
3313 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
3314 view->jump_to_find_result = TRUE;
3316 gtk_drag_dest_set (GTK_WIDGET (view),
3317 GTK_DEST_DEFAULT_ALL,
3319 G_N_ELEMENTS (view_drop_targets),
3326 find_changed_cb (EvDocument *document, int page, EvView *view)
3331 percent = ev_document_find_get_progress
3332 (EV_DOCUMENT_FIND (view->document));
3333 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3335 if (view->jump_to_find_result == TRUE) {
3336 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
3337 jump_to_find_result (view);
3339 update_find_status_message (view, percent * n_pages >= n_pages - 1 );
3340 if (view->current_page == page)
3341 gtk_widget_queue_draw (GTK_WIDGET (view));
3345 job_finished_cb (EvPixbufCache *pixbuf_cache,
3348 gtk_widget_queue_draw (GTK_WIDGET (view));
3352 page_changed_cb (EvPageCache *page_cache,
3356 if (view->current_page != new_page) {
3357 view->current_page = new_page;
3358 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
3359 if (view->presentation)
3360 ev_view_presentation_transition_start (view);
3361 gtk_widget_queue_resize (GTK_WIDGET (view));
3363 gtk_widget_queue_draw (GTK_WIDGET (view));
3366 if (EV_IS_DOCUMENT_FIND (view->document)) {
3367 view->find_result = 0;
3368 update_find_status_message (view, TRUE);
3372 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
3377 if (! GTK_WIDGET_REALIZED (view))
3380 if (view->hadjustment) {
3381 dx = view->scroll_x - (int) view->hadjustment->value;
3382 view->scroll_x = (int) view->hadjustment->value;
3387 if (view->vadjustment) {
3388 dy = view->scroll_y - (int) view->vadjustment->value;
3389 view->scroll_y = (int) view->vadjustment->value;
3395 if (view->pending_resize)
3396 gtk_widget_queue_draw (GTK_WIDGET (view));
3398 gdk_window_scroll (GTK_WIDGET (view)->window, dx, dy);
3402 view_update_range_and_current_page (view);
3410 view = g_object_new (EV_TYPE_VIEW, NULL);
3416 setup_caches (EvView *view)
3418 view->page_cache = ev_page_cache_get (view->document);
3419 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
3420 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
3421 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
3425 clear_caches (EvView *view)
3427 if (view->pixbuf_cache) {
3428 g_object_unref (view->pixbuf_cache);
3429 view->pixbuf_cache = NULL;
3432 if (view->page_cache) {
3433 view->page_cache = NULL;
3438 ev_view_set_loading (EvView *view,
3441 view->loading = loading;
3442 gtk_widget_queue_draw (GTK_WIDGET (view));
3446 ev_view_set_document (EvView *view,
3447 EvDocument *document)
3449 g_return_if_fail (EV_IS_VIEW (view));
3451 view->loading = FALSE;
3453 if (document != view->document) {
3454 clear_caches (view);
3456 if (view->document) {
3457 g_signal_handlers_disconnect_by_func (view->document,
3460 g_object_unref (view->document);
3461 view->page_cache = NULL;
3465 view->document = document;
3466 view->find_result = 0;
3468 if (view->document) {
3469 g_object_ref (view->document);
3470 if (EV_IS_DOCUMENT_FIND (view->document)) {
3471 g_signal_connect (view->document,
3473 G_CALLBACK (find_changed_cb),
3477 setup_caches (view);
3480 gtk_widget_queue_resize (GTK_WIDGET (view));
3484 /*** Zoom and sizing mode ***/
3486 #define EPSILON 0.0000001
3488 ev_view_set_zoom (EvView *view,
3495 scale = view->scale * factor;
3499 scale = CLAMP (scale, MIN_SCALE, MAX_SCALE);
3501 if (ABS (view->scale - scale) < EPSILON)
3504 view->scale = scale;
3505 view->pending_resize = TRUE;
3507 gtk_widget_queue_resize (GTK_WIDGET (view));
3509 g_object_notify (G_OBJECT (view), "zoom");
3513 ev_view_get_zoom (EvView *view)
3519 ev_view_get_continuous (EvView *view)
3521 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3523 return view->continuous;
3527 ev_view_set_continuous (EvView *view,
3528 gboolean continuous)
3530 g_return_if_fail (EV_IS_VIEW (view));
3532 continuous = continuous != FALSE;
3534 if (view->continuous != continuous) {
3535 view->continuous = continuous;
3536 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
3537 gtk_widget_queue_resize (GTK_WIDGET (view));
3540 g_object_notify (G_OBJECT (view), "continuous");
3544 ev_view_get_dual_page (EvView *view)
3546 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3548 return view->dual_page;
3552 ev_view_set_dual_page (EvView *view,
3555 g_return_if_fail (EV_IS_VIEW (view));
3557 dual_page = dual_page != FALSE;
3559 if (view->dual_page == dual_page)
3562 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
3563 view->dual_page = dual_page;
3564 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
3565 * preload_cache_size to be 2 if dual_page is set.
3567 gtk_widget_queue_resize (GTK_WIDGET (view));
3569 g_object_notify (G_OBJECT (view), "dual-page");
3573 ev_view_set_fullscreen (EvView *view,
3574 gboolean fullscreen)
3576 g_return_if_fail (EV_IS_VIEW (view));
3578 fullscreen = fullscreen != FALSE;
3580 if (view->fullscreen == fullscreen)
3583 view->fullscreen = fullscreen;
3584 gtk_widget_queue_resize (GTK_WIDGET (view));
3586 g_object_notify (G_OBJECT (view), "fullscreen");
3590 ev_view_get_fullscreen (EvView *view)
3592 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3594 return view->fullscreen;
3598 ev_view_set_presentation (EvView *view,
3599 gboolean presentation)
3601 g_return_if_fail (EV_IS_VIEW (view));
3603 presentation = presentation != FALSE;
3605 if (view->presentation == presentation)
3609 view->presentation_state = EV_PRESENTATION_NORMAL;
3611 view->presentation = presentation;
3612 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
3615 view->sizing_mode_saved = view->sizing_mode;
3616 view->scale_saved = view->scale;
3617 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
3619 ev_view_set_sizing_mode (view, view->sizing_mode_saved);
3620 ev_view_set_zoom (view, view->scale_saved, FALSE);
3623 gtk_widget_queue_resize (GTK_WIDGET (view));
3626 ev_view_presentation_transition_start (view);
3628 ev_view_presentation_transition_stop (view);
3630 if (GTK_WIDGET_REALIZED (view)) {
3631 if (view->presentation)
3632 gdk_window_set_background (GTK_WIDGET(view)->window,
3633 >K_WIDGET (view)->style->black);
3635 gdk_window_set_background (GTK_WIDGET(view)->window,
3636 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
3639 g_object_notify (G_OBJECT (view), "presentation");
3643 ev_view_get_presentation (EvView *view)
3645 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3647 return view->presentation;
3651 transition_next_page (EvView *view)
3653 ev_view_next_page (view);
3659 ev_view_presentation_transition_stop (EvView *view)
3661 if (view->trans_timeout_id > 0)
3662 g_source_remove (view->trans_timeout_id);
3663 view->trans_timeout_id = 0;
3667 ev_view_presentation_transition_start (EvView *view)
3671 if (!EV_IS_DOCUMENT_TRANSITION (view->document))
3674 ev_view_presentation_transition_stop (view);
3676 duration = ev_document_transition_get_page_duration (EV_DOCUMENT_TRANSITION (view->document),
3677 view->current_page);
3679 view->trans_timeout_id = g_timeout_add (duration * 1000,
3680 (GSourceFunc) transition_next_page,
3685 ev_view_set_sizing_mode (EvView *view,
3686 EvSizingMode sizing_mode)
3688 g_return_if_fail (EV_IS_VIEW (view));
3690 if (view->sizing_mode == sizing_mode)
3693 view->sizing_mode = sizing_mode;
3694 gtk_widget_queue_resize (GTK_WIDGET (view));
3696 g_object_notify (G_OBJECT (view), "sizing-mode");
3700 ev_view_get_sizing_mode (EvView *view)
3702 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
3704 return view->sizing_mode;
3708 ev_view_can_zoom_in (EvView *view)
3710 return view->scale * ZOOM_IN_FACTOR <= MAX_SCALE;
3714 ev_view_can_zoom_out (EvView *view)
3716 return view->scale * ZOOM_OUT_FACTOR >= MIN_SCALE;
3720 ev_view_zoom_in (EvView *view)
3722 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
3724 view->pending_scroll = SCROLL_TO_CENTER;
3725 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
3729 ev_view_zoom_out (EvView *view)
3731 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
3733 view->pending_scroll = SCROLL_TO_CENTER;
3734 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
3738 ev_view_rotate_right (EvView *view)
3740 int rotation = view->rotation + 90;
3742 if (rotation >= 360) {
3746 ev_view_set_rotation (view, rotation);
3750 ev_view_rotate_left (EvView *view)
3752 int rotation = view->rotation - 90;
3758 ev_view_set_rotation (view, rotation);
3762 ev_view_set_rotation (EvView *view, int rotation)
3764 view->rotation = rotation;
3766 if (view->pixbuf_cache) {
3767 ev_pixbuf_cache_clear (view->pixbuf_cache);
3768 gtk_widget_queue_resize (GTK_WIDGET (view));
3772 clear_selection (view);
3774 g_object_notify (G_OBJECT (view), "rotation");
3778 ev_view_get_rotation (EvView *view)
3780 return view->rotation;
3784 zoom_for_size_fit_width (int doc_width,
3792 scale = (double)target_width / doc_width;
3794 if (doc_height * scale > target_height)
3795 scale = (double) (target_width - vsb_width) / doc_width;
3801 zoom_for_size_fit_height (int doc_width,
3809 scale = (double)target_height / doc_height;
3811 if (doc_width * scale > target_width)
3812 scale = (double) (target_height - vsb_height) / doc_height;
3818 zoom_for_size_best_fit (int doc_width,
3828 w_scale = (double)target_width / doc_width;
3829 h_scale = (double)target_height / doc_height;
3831 if (doc_height * w_scale > target_height)
3832 w_scale = (double) (target_width - vsb_width) / doc_width;
3833 if (doc_width * h_scale > target_width)
3834 h_scale = (double) (target_height - hsb_width) / doc_height;
3836 return MIN (w_scale, h_scale);
3841 ev_view_zoom_for_size_presentation (EvView *view,
3845 int doc_width, doc_height;
3848 ev_page_cache_get_size (view->page_cache,
3854 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
3855 ev_view_set_zoom (view, scale, FALSE);
3859 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
3865 int doc_width, doc_height;
3869 ev_page_cache_get_max_width (view->page_cache,
3873 ev_page_cache_get_max_height (view->page_cache,
3877 compute_border (view, doc_width, doc_height, &border);
3879 doc_width = doc_width * 2;
3880 width -= (2 * (border.left + border.right) + 3 * view->spacing);
3881 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3883 /* FIXME: We really need to calculate the overall height here, not the
3884 * page height. We assume there's always a vertical scrollbar for
3885 * now. We need to fix this. */
3886 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3887 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3888 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3889 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3891 g_assert_not_reached ();
3893 ev_view_set_zoom (view, scale, FALSE);
3897 ev_view_zoom_for_size_continuous (EvView *view,
3903 int doc_width, doc_height;
3907 ev_page_cache_get_max_width (view->page_cache,
3911 ev_page_cache_get_max_height (view->page_cache,
3915 compute_border (view, doc_width, doc_height, &border);
3917 width -= (border.left + border.right + 2 * view->spacing);
3918 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3920 /* FIXME: We really need to calculate the overall height here, not the
3921 * page height. We assume there's always a vertical scrollbar for
3922 * now. We need to fix this. */
3923 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3924 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3925 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3926 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3928 g_assert_not_reached ();
3930 ev_view_set_zoom (view, scale, FALSE);
3934 ev_view_zoom_for_size_dual_page (EvView *view,
3941 gint doc_width, doc_height;
3945 other_page = view->current_page ^ 1;
3947 /* Find the largest of the two. */
3948 ev_page_cache_get_size (view->page_cache,
3952 &doc_width, &doc_height);
3954 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
3955 gint width_2, height_2;
3956 ev_page_cache_get_size (view->page_cache,
3960 &width_2, &height_2);
3961 if (width_2 > doc_width)
3962 doc_width = width_2;
3963 if (height_2 > doc_height)
3964 doc_height = height_2;
3966 compute_border (view, doc_width, doc_height, &border);
3968 doc_width = doc_width * 2;
3969 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
3970 height -= (border.top + border.bottom + 2 * view->spacing);
3972 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3973 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3974 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3975 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3977 g_assert_not_reached ();
3979 ev_view_set_zoom (view, scale, FALSE);
3983 ev_view_zoom_for_size_single_page (EvView *view,
3989 int doc_width, doc_height;
3993 ev_page_cache_get_size (view->page_cache,
3999 /* Get an approximate border */
4000 compute_border (view, width, height, &border);
4002 width -= (border.left + border.right + 2 * view->spacing);
4003 height -= (border.top + border.bottom + 2 * view->spacing);
4005 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
4006 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
4007 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4008 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
4010 g_assert_not_reached ();
4012 ev_view_set_zoom (view, scale, FALSE);
4016 ev_view_set_zoom_for_size (EvView *view,
4022 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
4023 view->sizing_mode == EV_SIZING_BEST_FIT);
4024 g_return_if_fail (width >= 0);
4025 g_return_if_fail (height >= 0);
4027 if (view->document == NULL)
4030 if (view->presentation)
4031 ev_view_zoom_for_size_presentation (view, width, height);
4032 else if (view->continuous && view->dual_page)
4033 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
4034 else if (view->continuous)
4035 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
4036 else if (view->dual_page)
4037 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
4039 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
4042 /*** Status text messages ***/
4045 ev_view_get_status (EvView *view)
4047 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
4049 return view->status;
4053 ev_view_set_status (EvView *view, const char *message)
4055 g_return_if_fail (EV_IS_VIEW (view));
4057 if (message != view->status) {
4058 g_free (view->status);
4059 view->status = g_strdup (message);
4060 g_object_notify (G_OBJECT (view), "status");
4065 update_find_status_message (EvView *view, gboolean this_page)
4072 results = ev_document_find_get_n_results
4073 (EV_DOCUMENT_FIND (view->document),
4074 view->current_page);
4075 /* TRANS: Sometimes this could be better translated as
4076 "%d hit(s) on this page". Therefore this string
4077 contains plural cases. */
4078 message = g_strdup_printf (ngettext ("%d found on this page",
4079 "%d found on this page",
4085 percent = ev_document_find_get_progress
4086 (EV_DOCUMENT_FIND (view->document));
4087 message = g_strdup_printf (_("%3d%% remaining to search"),
4088 (int) ((1.0 - percent) * 100));
4091 ev_view_set_find_status (view, message);
4096 ev_view_get_find_status (EvView *view)
4098 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
4100 return view->find_status;
4104 ev_view_set_find_status (EvView *view, const char *message)
4106 g_return_if_fail (EV_IS_VIEW (view));
4108 g_free (view->find_status);
4109 view->find_status = g_strdup (message);
4110 g_object_notify (G_OBJECT (view), "find-status");
4116 jump_to_find_result (EvView *view)
4118 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
4120 GdkRectangle view_rect;
4122 int page = view->current_page;
4124 n_results = ev_document_find_get_n_results (find, page);
4126 if (n_results > 0 && view->find_result < n_results) {
4127 ev_document_find_get_result
4128 (find, page, view->find_result, &rect);
4130 doc_rect_to_view_rect (view, page, &rect, &view_rect);
4131 ensure_rectangle_is_visible (view, &view_rect);
4137 * @view: #EvView instance
4138 * @direction: Direction to look
4139 * @shift: Shift from current page
4141 * Jumps to the first page that has occurences of searched word.
4142 * Uses a direction where to look and a shift from current page.
4146 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
4150 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4152 for (i = 0; i < n_pages; i++) {
4156 if (direction == EV_VIEW_FIND_NEXT)
4157 page = view->current_page + i;
4159 page = view->current_page - i;
4162 if (page >= n_pages) {
4163 page = page - n_pages;
4166 page = page + n_pages;
4168 has_results = ev_document_find_page_has_results
4169 (EV_DOCUMENT_FIND (view->document), page);
4170 if (has_results == -1) {
4172 } else if (has_results == 1) {
4173 ev_page_cache_set_current_page (view->page_cache, page);
4180 ev_view_can_find_next (EvView *view)
4182 if (EV_IS_DOCUMENT_FIND (view->document)) {
4183 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
4186 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4187 for (i = 0; i < n_pages; i++) {
4188 if (ev_document_find_get_n_results (find, i) > 0) {
4198 ev_view_find_next (EvView *view)
4200 int n_results, n_pages;
4201 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
4203 n_results = ev_document_find_get_n_results (find, view->current_page);
4205 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4207 view->find_result++;
4209 if (view->find_result >= n_results) {
4211 view->find_result = 0;
4212 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
4213 jump_to_find_result (view);
4215 jump_to_find_result (view);
4216 gtk_widget_queue_draw (GTK_WIDGET (view));
4221 ev_view_can_find_previous (EvView *view)
4223 if (EV_IS_DOCUMENT_FIND (view->document)) {
4224 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
4227 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4228 for (i = n_pages - 1; i >= 0; i--) {
4229 if (ev_document_find_get_n_results (find, i) > 0) {
4238 ev_view_find_previous (EvView *view)
4240 int n_results, n_pages;
4241 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
4242 EvPageCache *page_cache;
4244 page_cache = ev_page_cache_get (view->document);
4246 n_results = ev_document_find_get_n_results (find, view->current_page);
4248 n_pages = ev_page_cache_get_n_pages (page_cache);
4250 view->find_result--;
4252 if (view->find_result < 0) {
4254 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
4255 view->find_result = ev_document_find_get_n_results (find, view->current_page) - 1;
4256 jump_to_find_result (view);
4258 jump_to_find_result (view);
4259 gtk_widget_queue_draw (GTK_WIDGET (view));
4263 void ev_view_search_changed (EvView *view)
4265 /* search string has changed, focus on new search result */
4266 view->jump_to_find_result = TRUE;
4269 /*** Selections ***/
4271 /* compute_new_selection_rect/text calculates the area currently selected by
4272 * view_rect. each handles a different mode;
4275 compute_new_selection_rect (EvView *view,
4279 GdkRectangle view_rect;
4283 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
4285 view_rect.x = MIN (start->x, stop->x);
4286 view_rect.y = MIN (start->y, stop->y);
4287 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
4288 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
4290 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4292 for (i = 0; i < n_pages; i++) {
4293 GdkRectangle page_area;
4296 if (get_page_extents (view, i, &page_area, &border)) {
4297 GdkRectangle overlap;
4299 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
4300 EvViewSelection *selection;
4302 selection = g_new0 (EvViewSelection, 1);
4303 selection->page = i;
4304 view_rect_to_doc_rect (view, &overlap, &page_area,
4305 &(selection->rect));
4307 list = g_list_append (list, selection);
4316 gdk_rectangle_point_in (GdkRectangle *rectangle,
4319 return rectangle->x <= point->x &&
4320 rectangle->y <= point->y &&
4321 point->x < rectangle->x + rectangle->width &&
4322 point->y < rectangle->y + rectangle->height;
4326 compute_new_selection_text (EvView *view,
4330 int n_pages, i, first, last;
4332 EvViewSelection *selection;
4334 int start_page, end_page;
4336 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
4338 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4340 /* First figure out the range of pages the selection
4344 if (view->continuous) {
4347 } else if (view->dual_page) {
4348 start_page = view->start_page;
4349 end_page = view->end_page + 1;
4351 start_page = view->current_page;
4352 end_page = view->current_page + 1;
4355 for (i = start_page; i < end_page; i++) {
4356 GdkRectangle page_area;
4359 get_page_extents (view, i, &page_area, &border);
4360 if (gdk_rectangle_point_in (&page_area, start) ||
4361 gdk_rectangle_point_in (&page_area, stop)) {
4362 if (first == n_pages)
4371 /* Now create a list of EvViewSelection's for the affected
4372 * pages. This could be an empty list, a list of just one
4373 * page or a number of pages.*/
4374 for (i = first; i < last + 1; i++) {
4375 GdkRectangle page_area;
4379 ev_page_cache_get_size (view->page_cache, i,
4381 1.0, &width, &height);
4383 selection = g_new0 (EvViewSelection, 1);
4384 selection->page = i;
4385 selection->rect.x1 = selection->rect.y1 = 0;
4386 selection->rect.x2 = width;
4387 selection->rect.y2 = height;
4389 get_page_extents (view, i, &page_area, &border);
4391 if (gdk_rectangle_point_in (&page_area, start))
4397 view_point_to_doc_point (view, point, &page_area,
4398 &selection->rect.x1,
4399 &selection->rect.y1);
4401 /* If the selection is contained within just one page,
4402 * make sure we don't write 'start' into both points
4403 * in selection->rect. */
4408 view_point_to_doc_point (view, point, &page_area,
4409 &selection->rect.x2,
4410 &selection->rect.y2);
4412 list = g_list_append (list, selection);
4418 /* This function takes the newly calculated list, and figures out which regions
4419 * have changed. It then queues a redraw approporiately.
4422 merge_selection_region (EvView *view,
4426 GList *new_list_ptr, *old_list_ptr;
4428 /* Update the selection */
4429 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
4430 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
4431 view->selection_info.selections = new_list;
4432 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
4433 g_object_notify (G_OBJECT (view), "has-selection");
4435 new_list_ptr = new_list;
4436 old_list_ptr = old_list;
4438 while (new_list_ptr || old_list_ptr) {
4439 EvViewSelection *old_sel, *new_sel;
4441 GdkRegion *region = NULL;
4443 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
4444 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
4446 /* Assume that the lists are in order, and we run through them
4447 * comparing them, one page at a time. We come out with the
4448 * first page we see. */
4449 if (new_sel && old_sel) {
4450 if (new_sel->page < old_sel->page) {
4451 new_list_ptr = new_list_ptr->next;
4453 } else if (new_sel->page > old_sel->page) {
4454 old_list_ptr = old_list_ptr->next;
4457 new_list_ptr = new_list_ptr->next;
4458 old_list_ptr = old_list_ptr->next;
4460 } else if (new_sel) {
4461 new_list_ptr = new_list_ptr->next;
4462 } else if (old_sel) {
4463 old_list_ptr = old_list_ptr->next;
4466 g_assert (new_sel || old_sel);
4468 /* is the page we're looking at on the screen?*/
4469 cur_page = new_sel ? new_sel->page : old_sel->page;
4470 if (cur_page < view->start_page || cur_page > view->end_page)
4473 /* seed the cache with a new page. We are going to need the new
4476 GdkRegion *tmp_region = NULL;
4477 ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
4482 new_sel->covered_region = gdk_region_copy (tmp_region);
4486 /* Now we figure out what needs redrawing */
4487 if (old_sel && new_sel) {
4488 if (old_sel->covered_region &&
4489 new_sel->covered_region) {
4490 /* We only want to redraw the areas that have
4491 * changed, so we xor the old and new regions
4492 * and redraw if it's different */
4493 region = gdk_region_copy (old_sel->covered_region);
4494 gdk_region_xor (region, new_sel->covered_region);
4495 if (gdk_region_empty (region)) {
4496 gdk_region_destroy (region);
4499 } else if (old_sel->covered_region) {
4500 region = gdk_region_copy (old_sel->covered_region);
4501 } else if (new_sel->covered_region) {
4502 region = gdk_region_copy (new_sel->covered_region);
4504 } else if (old_sel && !new_sel) {
4505 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
4506 region = gdk_region_copy (old_sel->covered_region);
4508 } else if (!old_sel && new_sel) {
4509 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
4510 region = gdk_region_copy (new_sel->covered_region);
4513 g_assert_not_reached ();
4516 /* Redraw the damaged region! */
4518 GdkRectangle page_area;
4521 get_page_extents (view, cur_page, &page_area, &border);
4522 gdk_region_offset (region,
4523 page_area.x + border.left - view->scroll_x,
4524 page_area.y + border.top - view->scroll_y);
4525 gdk_window_invalidate_region (GTK_WIDGET (view)->window, region, TRUE);
4526 gdk_region_destroy (region);
4530 /* Free the old list, now that we're done with it. */
4531 g_list_foreach (old_list, (GFunc) selection_free, NULL);
4535 compute_selections (EvView *view,
4541 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
4542 list = compute_new_selection_rect (view, start, stop);
4544 list = compute_new_selection_text (view, start, stop);
4545 merge_selection_region (view, list);
4548 /* Free's the selection. It's up to the caller to queue redraws if needed.
4551 selection_free (EvViewSelection *selection)
4553 if (selection->covered_region)
4554 gdk_region_destroy (selection->covered_region);
4559 clear_selection (EvView *view)
4561 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
4562 view->selection_info.selections = NULL;
4563 view->selection_info.in_selection = FALSE;
4564 if (view->pixbuf_cache)
4565 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
4566 g_object_notify (G_OBJECT (view), "has-selection");
4571 ev_view_select_all (EvView *view)
4575 /* Disable selection on rotated pages for the 0.4.0 series */
4576 if (view->rotation != 0)
4579 clear_selection (view);
4581 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4582 for (i = 0; i < n_pages; i++) {
4584 EvViewSelection *selection;
4586 ev_page_cache_get_size (view->page_cache,
4589 1.0, &width, &height);
4591 selection = g_new0 (EvViewSelection, 1);
4592 selection->page = i;
4593 selection->rect.x1 = selection->rect.y1 = 0;
4594 selection->rect.x2 = width;
4595 selection->rect.y2 = height;
4597 view->selection_info.selections = g_list_append (view->selection_info.selections, selection);
4600 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, view->selection_info.selections);
4601 g_object_notify (G_OBJECT (view), "has-selection");
4602 gtk_widget_queue_draw (GTK_WIDGET (view));
4606 ev_view_get_has_selection (EvView *view)
4608 return view->selection_info.selections != NULL;
4612 get_selected_text (EvView *ev_view)
4617 text = g_string_new (NULL);
4619 ev_document_doc_mutex_lock ();
4621 for (l = ev_view->selection_info.selections; l != NULL; l = l->next) {
4622 EvViewSelection *selection = (EvViewSelection *)l->data;
4625 tmp = ev_document_get_text (ev_view->document,
4628 g_string_append (text, tmp);
4632 ev_document_doc_mutex_unlock ();
4634 return g_string_free (text, FALSE);
4638 ev_view_copy (EvView *ev_view)
4640 GtkClipboard *clipboard;
4643 if (!ev_document_can_get_text (ev_view->document)) {
4647 text = get_selected_text (ev_view);
4648 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
4649 GDK_SELECTION_CLIPBOARD);
4650 gtk_clipboard_set_text (clipboard, text, -1);
4655 ev_view_primary_get_cb (GtkClipboard *clipboard,
4656 GtkSelectionData *selection_data,
4660 EvView *ev_view = EV_VIEW (data);
4663 if (!ev_document_can_get_text (ev_view->document)) {
4667 text = get_selected_text (ev_view);
4668 gtk_selection_data_set_text (selection_data, text, -1);
4673 ev_view_primary_clear_cb (GtkClipboard *clipboard,
4676 EvView *view = EV_VIEW (data);
4678 clear_selection (view);
4682 ev_view_update_primary_selection (EvView *ev_view)
4684 GtkClipboard *clipboard;
4686 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
4687 GDK_SELECTION_PRIMARY);
4689 if (ev_view->selection_info.selections) {
4690 if (!gtk_clipboard_set_with_owner (clipboard,
4692 G_N_ELEMENTS (clipboard_targets),
4693 ev_view_primary_get_cb,
4694 ev_view_primary_clear_cb,
4695 G_OBJECT (ev_view)))
4696 ev_view_primary_clear_cb (clipboard, ev_view);
4698 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
4699 gtk_clipboard_clear (clipboard);
4703 /*** Cursor operations ***/
4706 ev_view_create_invisible_cursor(void)
4709 GdkColor black = { 0, 0, 0, 0 };
4710 static char bits[] = { 0x00 };
4712 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
4714 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
4718 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
4720 GdkCursor *cursor = NULL;
4721 GdkDisplay *display;
4724 if (view->cursor == new_cursor) {
4728 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
4729 display = gtk_widget_get_display (widget);
4730 view->cursor = new_cursor;
4732 switch (new_cursor) {
4733 case EV_VIEW_CURSOR_NORMAL:
4734 gdk_window_set_cursor (widget->window, NULL);
4736 case EV_VIEW_CURSOR_IBEAM:
4737 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
4739 case EV_VIEW_CURSOR_LINK:
4740 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
4742 case EV_VIEW_CURSOR_WAIT:
4743 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
4745 case EV_VIEW_CURSOR_HIDDEN:
4746 cursor = ev_view_create_invisible_cursor ();
4748 case EV_VIEW_CURSOR_DRAG:
4749 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
4754 gdk_window_set_cursor (widget->window, cursor);
4755 gdk_cursor_unref (cursor);
4761 ev_view_hide_cursor (EvView *view)
4763 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
4767 ev_view_show_cursor (EvView *view)
4769 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
4773 ev_view_reset_presentation_state (EvView *view)
4775 if (!view->presentation ||
4776 view->presentation_state == EV_PRESENTATION_NORMAL)
4779 view->presentation_state = EV_PRESENTATION_NORMAL;
4780 gdk_window_set_background (GTK_WIDGET (view)->window,
4781 >K_WIDGET (view)->style->black);
4782 gtk_widget_queue_draw (GTK_WIDGET (view));
4786 ev_view_next_page (EvView *view)
4790 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4792 if (!view->page_cache)
4795 ev_view_presentation_transition_stop (view);
4796 ev_view_reset_presentation_state (view);
4798 page = ev_page_cache_get_current_page (view->page_cache);
4799 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4801 if (view->dual_page && !view->presentation)
4806 if (page < n_pages) {
4807 ev_page_cache_set_current_page (view->page_cache, page);
4809 } else if (view->presentation && page == n_pages) {
4810 view->presentation_state = EV_PRESENTATION_END;
4811 gtk_widget_queue_draw (GTK_WIDGET (view));
4813 } else if (view->dual_page && page == n_pages) {
4814 ev_page_cache_set_current_page (view->page_cache, page - 1);
4822 ev_view_previous_page (EvView *view)
4826 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4828 if (!view->page_cache)
4831 if (view->presentation &&
4832 view->presentation_state == EV_PRESENTATION_END) {
4833 ev_view_reset_presentation_state (view);
4837 ev_view_reset_presentation_state (view);
4839 page = ev_page_cache_get_current_page (view->page_cache);
4841 if (view->dual_page && !view->presentation)
4847 ev_page_cache_set_current_page (view->page_cache, page);
4849 } else if (ev_view_get_dual_page (view) && page == -1) {
4850 ev_page_cache_set_current_page (view->page_cache, 0);
4857 /*** Enum description for usage in signal ***/
4860 ev_sizing_mode_get_type (void)
4862 static GType etype = 0;
4864 static const GEnumValue values[] = {
4865 { EV_SIZING_FIT_WIDTH, "EV_SIZING_FIT_WIDTH", "fit-width" },
4866 { EV_SIZING_BEST_FIT, "EV_SIZING_BEST_FIT", "best-fit" },
4867 { EV_SIZING_FREE, "EV_SIZING_FREE", "free" },
4870 etype = g_enum_register_static ("EvSizingMode", values);
4876 ev_scroll_type_get_type (void)
4878 static GType etype = 0;
4880 static const GEnumValue values[] = {
4881 { EV_SCROLL_PAGE_FORWARD, "EV_SCROLL_PAGE_FORWARD", "scroll-page-forward" },
4882 { EV_SCROLL_PAGE_BACKWARD, "EV_SCROLL_PAGE_BACKWARD", "scroll-page-backward" },
4883 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
4884 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
4885 { EV_SCROLL_STEP_UP, "EV_SCROLL_STEP_UP", "scroll-step-up" },
4886 { EV_SCROLL_STEP_DOWN, "EV_SCROLL_STEP_DOWN", "scroll-step-down" },
4889 etype = g_enum_register_static ("EvScrollType", values);