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>
31 #include "ev-marshal.h"
33 #include "ev-view-private.h"
35 #include "ev-selection.h"
36 #include "ev-document-links.h"
37 #include "ev-document-images.h"
38 #include "ev-document-find.h"
39 #include "ev-document-transition.h"
40 #include "ev-document-misc.h"
41 #include "ev-job-queue.h"
42 #include "ev-page-cache.h"
43 #include "ev-pixbuf-cache.h"
44 #include "ev-tooltip.h"
45 #include "ev-application.h"
47 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
48 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
49 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
67 SIGNAL_BINDING_ACTIVATED,
86 TARGET_TEXT_BUFFER_CONTENTS
89 static const GtkTargetEntry clipboard_targets[] = {
90 { "STRING", 0, TARGET_STRING },
91 { "TEXT", 0, TARGET_TEXT },
92 { "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT },
93 { "UTF8_STRING", 0, TARGET_UTF8_STRING },
96 static const GtkTargetEntry view_drop_targets[] = {
97 { "text/uri-list", 0, 0 }
100 static guint signals[N_SIGNALS];
105 } EvViewFindDirection;
107 #define ZOOM_IN_FACTOR 1.2
108 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
110 #define MIN_SCALE 0.05409
111 #define MAX_SCALE 4.0
113 #define SCROLL_TIME 150
116 static void scroll_to_current_page (EvView *view,
117 GtkOrientation orientation);
118 static void ev_view_set_scroll_adjustments (EvView *view,
119 GtkAdjustment *hadjustment,
120 GtkAdjustment *vadjustment);
121 static void view_update_range_and_current_page (EvView *view);
122 static void set_scroll_adjustment (EvView *view,
123 GtkOrientation orientation,
124 GtkAdjustment *adjustment);
125 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
127 GdkModifierType modifiers,
129 gboolean horizontal);
130 static void ensure_rectangle_is_visible (EvView *view,
133 /*** Geometry computations ***/
134 static void compute_border (EvView *view,
138 static void get_page_y_offset (EvView *view,
142 static gboolean get_page_extents (EvView *view,
144 GdkRectangle *page_area,
146 static void view_rect_to_doc_rect (EvView *view,
147 GdkRectangle *view_rect,
148 GdkRectangle *page_area,
149 EvRectangle *doc_rect);
150 static void doc_rect_to_view_rect (EvView *view,
152 EvRectangle *doc_rect,
153 GdkRectangle *view_rect);
154 static void find_page_at_location (EvView *view,
160 static gboolean doc_point_to_view_point (EvView *view,
163 GdkPoint *view_point);
165 static EvLink * ev_view_get_link_at_location (EvView *view,
168 static char* tip_from_link (EvView *view,
170 static void handle_link_over_xy (EvView *view,
173 /*** GtkWidget implementation ***/
174 static void ev_view_size_request_continuous_dual_page (EvView *view,
175 GtkRequisition *requisition);
176 static void ev_view_size_request_continuous (EvView *view,
177 GtkRequisition *requisition);
178 static void ev_view_size_request_dual_page (EvView *view,
179 GtkRequisition *requisition);
180 static void ev_view_size_request_single_page (EvView *view,
181 GtkRequisition *requisition);
182 static void ev_view_size_request (GtkWidget *widget,
183 GtkRequisition *requisition);
184 static void ev_view_size_allocate (GtkWidget *widget,
185 GtkAllocation *allocation);
186 static void ev_view_realize (GtkWidget *widget);
187 static gboolean ev_view_scroll_event (GtkWidget *widget,
188 GdkEventScroll *event);
189 static gboolean ev_view_expose_event (GtkWidget *widget,
190 GdkEventExpose *event);
191 static gboolean ev_view_popup_menu (GtkWidget *widget);
192 static gboolean ev_view_button_press_event (GtkWidget *widget,
193 GdkEventButton *event);
194 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
195 GdkEventMotion *event);
196 static gboolean ev_view_button_release_event (GtkWidget *widget,
197 GdkEventButton *event);
198 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
199 GdkEventCrossing *event);
200 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
201 GdkEventCrossing *event);
202 static void ev_view_style_set (GtkWidget *widget,
203 GtkStyle *old_style);
205 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
208 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
209 static void draw_rubberband (GtkWidget *widget,
211 const GdkRectangle *rect,
213 static void highlight_find_results (EvView *view,
215 static void draw_one_page (EvView *view,
217 GdkRectangle *page_area,
219 GdkRectangle *expose_area,
220 gboolean *page_ready);
221 static void draw_loading_text (EvView *view,
222 GdkRectangle *page_area,
223 GdkRectangle *expose_area);
226 static void find_changed_cb (EvDocument *document,
229 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
231 static void page_changed_cb (EvPageCache *page_cache,
234 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
238 static void ev_view_finalize (GObject *object);
239 static void ev_view_destroy (GtkObject *object);
240 static void ev_view_set_property (GObject *object,
244 static void ev_view_get_property (GObject *object,
248 static void ev_view_class_init (EvViewClass *class);
249 static void ev_view_init (EvView *view);
251 /*** Zoom and sizing ***/
252 static double zoom_for_size_fit_width (int doc_width,
257 static double zoom_for_size_fit_height (int doc_width,
262 static double zoom_for_size_best_fit (int doc_width,
268 static void ev_view_zoom_for_size_presentation (EvView *view,
271 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
276 static void ev_view_zoom_for_size_continuous (EvView *view,
281 static void ev_view_zoom_for_size_dual_page (EvView *view,
286 static void ev_view_zoom_for_size_single_page (EvView *view,
292 static GdkCursor* ev_view_create_invisible_cursor (void);
293 static void ev_view_set_cursor (EvView *view,
294 EvViewCursor new_cursor);
296 /*** Status messages ***/
297 static void ev_view_set_status (EvView *view,
298 const char *message);
299 static void update_find_status_message (EvView *view,
301 static void ev_view_set_find_status (EvView *view,
302 const char *message);
304 static void jump_to_find_result (EvView *view);
305 static void jump_to_find_page (EvView *view,
306 EvViewFindDirection direction,
310 static void compute_selections (EvView *view,
313 static void clear_selection (EvView *view);
314 static void selection_free (EvViewSelection *selection);
315 static char* get_selected_text (EvView *ev_view);
316 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
317 GtkSelectionData *selection_data,
320 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
322 static void ev_view_update_primary_selection (EvView *ev_view);
324 /*** Presentation ***/
325 static void ev_view_presentation_transition_start (EvView *ev_view);
326 static void ev_view_presentation_transition_stop (EvView *ev_view);
329 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_WIDGET)
332 scroll_to_current_page (EvView *view, GtkOrientation orientation)
336 if (view->document == NULL) {
340 doc_point_to_view_point (view, view->current_page, &view->pending_point, &view_point);
342 if (orientation == GTK_ORIENTATION_VERTICAL) {
343 view->pending_point.y = 0;
345 view->pending_point.x = 0;
348 if (orientation == GTK_ORIENTATION_VERTICAL) {
349 if (view->continuous) {
350 gtk_adjustment_clamp_page (view->vadjustment,
351 view_point.y - view->spacing / 2,
352 view_point.y + view->vadjustment->page_size);
354 gtk_adjustment_set_value (view->vadjustment,
356 view->vadjustment->lower,
357 view->vadjustment->upper -
358 view->vadjustment->page_size));
361 if (view->dual_page) {
362 gtk_adjustment_clamp_page (view->hadjustment,
364 view_point.x + view->hadjustment->page_size);
366 gtk_adjustment_set_value (view->hadjustment,
368 view->hadjustment->lower,
369 view->hadjustment->upper -
370 view->hadjustment->page_size));
376 view_set_adjustment_values (EvView *view,
377 GtkOrientation orientation)
379 GtkWidget *widget = GTK_WIDGET (view);
380 GtkAdjustment *adjustment;
387 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
388 requisition = widget->requisition.width;
389 allocation = widget->allocation.width;
390 adjustment = view->hadjustment;
392 requisition = widget->requisition.height;
393 allocation = widget->allocation.height;
394 adjustment = view->vadjustment;
401 switch (view->pending_scroll) {
402 case SCROLL_TO_KEEP_POSITION:
403 case SCROLL_TO_FIND_LOCATION:
404 factor = (adjustment->value) / adjustment->upper;
406 case SCROLL_TO_PAGE_POSITION:
408 case SCROLL_TO_CENTER:
409 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
413 adjustment->page_size = allocation;
414 adjustment->step_increment = allocation * 0.1;
415 adjustment->page_increment = allocation * 0.9;
416 adjustment->lower = 0;
417 adjustment->upper = MAX (allocation, requisition);
420 * We add 0.5 to the values before to average out our rounding errors.
422 switch (view->pending_scroll) {
423 case SCROLL_TO_KEEP_POSITION:
424 case SCROLL_TO_FIND_LOCATION:
425 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
426 gtk_adjustment_set_value (adjustment, (int)new_value);
428 case SCROLL_TO_PAGE_POSITION:
429 scroll_to_current_page (view, orientation);
431 case SCROLL_TO_CENTER:
432 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
433 0, adjustment->upper - adjustment->page_size);
434 gtk_adjustment_set_value (adjustment, (int)new_value);
438 gtk_adjustment_changed (adjustment);
442 view_update_range_and_current_page (EvView *view)
445 gint best_current_page = -1;
447 /* Presentation trumps all other modes */
448 if (view->presentation) {
449 view->start_page = view->current_page;
450 view->end_page = view->current_page;
451 } else if (view->continuous) {
452 GdkRectangle current_area, unused, page_area;
454 gboolean found = FALSE;
455 gint area_max = -1, area;
458 if (!(view->vadjustment && view->hadjustment))
461 current_area.x = view->hadjustment->value;
462 current_area.width = view->hadjustment->upper;
463 current_area.y = view->vadjustment->value;
464 current_area.height = view->vadjustment->page_size;
466 for (i = 0; i < ev_page_cache_get_n_pages (view->page_cache); i++) {
468 get_page_extents (view, i, &page_area, &border);
470 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
471 area = unused.width * unused.height;
475 view->start_page = i;
477 best_current_page = i;
479 if (area > area_max) {
480 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
490 } else if (view->dual_page) {
491 if (view->current_page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) {
492 view->start_page = view->current_page;
493 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache))
494 view->end_page = view->start_page + 1;
496 view->end_page = view->start_page;
498 if (view->current_page < 1)
499 view->start_page = view->current_page;
501 view->start_page = view->current_page - 1;
502 view->end_page = view->current_page;
505 view->start_page = view->current_page;
506 view->end_page = view->current_page;
509 best_current_page = MAX (best_current_page, view->start_page);
510 current_page = ev_page_cache_get_current_page (view->page_cache);
512 if ((current_page != best_current_page) && (view->pending_scroll == SCROLL_TO_KEEP_POSITION)) {
513 view->current_page = best_current_page;
514 ev_page_cache_set_current_page (view->page_cache, best_current_page);
517 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
522 view->selection_info.selections);
526 set_scroll_adjustment (EvView *view,
527 GtkOrientation orientation,
528 GtkAdjustment *adjustment)
530 GtkAdjustment **to_set;
532 if (orientation == GTK_ORIENTATION_HORIZONTAL)
533 to_set = &view->hadjustment;
535 to_set = &view->vadjustment;
537 if (*to_set != adjustment) {
539 g_signal_handlers_disconnect_by_func (*to_set,
540 (gpointer) on_adjustment_value_changed,
542 g_object_unref (*to_set);
545 *to_set = adjustment;
546 view_set_adjustment_values (view, orientation);
549 g_object_ref (*to_set);
550 g_signal_connect (*to_set, "value_changed",
551 G_CALLBACK (on_adjustment_value_changed), view);
557 ev_view_set_scroll_adjustments (EvView *view,
558 GtkAdjustment *hadjustment,
559 GtkAdjustment *vadjustment)
561 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
562 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
564 on_adjustment_value_changed (NULL, view);
568 add_scroll_binding_keypad (GtkBindingSet *binding_set,
570 GdkModifierType modifiers,
574 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
576 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
577 "binding_activated", 2,
578 EV_TYPE_SCROLL_TYPE, scroll,
579 G_TYPE_BOOLEAN, horizontal);
580 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
581 "binding_activated", 2,
582 EV_TYPE_SCROLL_TYPE, scroll,
583 G_TYPE_BOOLEAN, horizontal);
587 ev_view_scroll (EvView *view,
591 GtkAdjustment *adjustment;
592 double value, increment;
593 gboolean first_page = FALSE;
594 gboolean last_page = FALSE;
596 view->jump_to_find_result = FALSE;
598 if (view->presentation || view->sizing_mode == EV_SIZING_BEST_FIT) {
600 case EV_SCROLL_PAGE_BACKWARD:
601 case EV_SCROLL_STEP_BACKWARD:
602 ev_view_previous_page (view);
604 case EV_SCROLL_PAGE_FORWARD:
605 case EV_SCROLL_STEP_FORWARD:
606 ev_view_next_page (view);
614 /* Assign values for increment and vertical adjustment */
615 adjustment = horizontal ? view->hadjustment : view->vadjustment;
616 increment = adjustment->page_size * 0.75;
617 value = adjustment->value;
619 /* Assign boolean for first and last page */
620 if (view->current_page == 0)
622 if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1)
626 case EV_SCROLL_PAGE_BACKWARD:
627 /* Do not jump backwards if at the first page */
628 if (value == (adjustment->lower) && first_page) {
630 /* At the top of a page, assign the upper bound limit of previous page */
631 } else if (value == (adjustment->lower)) {
632 value = adjustment->upper - adjustment->page_size;
633 ev_view_previous_page (view);
634 /* Jump to the top */
636 value = MAX (value - increment, adjustment->lower);
639 case EV_SCROLL_PAGE_FORWARD:
640 /* Do not jump forward if at the last page */
641 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
643 /* At the bottom of a page, assign the lower bound limit of next page */
644 } else if (value == (adjustment->upper - adjustment->page_size)) {
646 ev_view_next_page (view);
647 /* Jump to the bottom */
649 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
652 case EV_SCROLL_STEP_BACKWARD:
653 value -= adjustment->step_increment;
655 case EV_SCROLL_STEP_FORWARD:
656 value += adjustment->step_increment;
658 case EV_SCROLL_STEP_DOWN:
659 value -= adjustment->step_increment / 10;
661 case EV_SCROLL_STEP_UP:
662 value += adjustment->step_increment / 10;
668 value = CLAMP (value, adjustment->lower,
669 adjustment->upper - adjustment->page_size);
671 gtk_adjustment_set_value (adjustment, value);
677 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
679 GtkWidget *widget = GTK_WIDGET (view);
680 GtkAdjustment *adjustment;
683 view->pending_scroll = SCROLL_TO_FIND_LOCATION;
685 adjustment = view->vadjustment;
687 if (rect->y < adjustment->value) {
688 value = MAX (adjustment->lower, rect->y - MARGIN);
689 gtk_adjustment_set_value (view->vadjustment, value);
690 } else if (rect->y + rect->height >
691 adjustment->value + widget->allocation.height) {
692 value = MIN (adjustment->upper, rect->y + rect->height -
693 widget->allocation.height + MARGIN);
694 gtk_adjustment_set_value (view->vadjustment, value);
697 adjustment = view->hadjustment;
699 if (rect->x < adjustment->value) {
700 value = MAX (adjustment->lower, rect->x - MARGIN);
701 gtk_adjustment_set_value (view->hadjustment, value);
702 } else if (rect->x + rect->height >
703 adjustment->value + widget->allocation.width) {
704 value = MIN (adjustment->upper, rect->x + rect->width -
705 widget->allocation.width + MARGIN);
706 gtk_adjustment_set_value (view->hadjustment, value);
709 gtk_widget_queue_resize (GTK_WIDGET (view));
712 /*** Geometry computations ***/
715 compute_border (EvView *view, int width, int height, GtkBorder *border)
717 if (view->presentation) {
723 ev_document_misc_get_page_border_size (width, height, border);
728 get_page_y_offset (EvView *view, int page, double zoom, int *y_offset)
730 int max_width, offset;
733 g_return_if_fail (y_offset != NULL);
735 ev_page_cache_get_max_width (view->page_cache, view->rotation, zoom, &max_width);
737 compute_border (view, max_width, max_width, &border);
739 if (view->dual_page) {
740 ev_page_cache_get_height_to_page (view->page_cache, page,
741 view->rotation, zoom, NULL, &offset);
742 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);
744 ev_page_cache_get_height_to_page (view->page_cache, page,
745 view->rotation, zoom, &offset, NULL);
746 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
754 get_page_extents (EvView *view,
756 GdkRectangle *page_area,
762 widget = GTK_WIDGET (view);
764 /* Get the size of the page */
765 ev_page_cache_get_size (view->page_cache, page,
769 compute_border (view, width, height, border);
770 page_area->width = width + border->left + border->right;
771 page_area->height = height + border->top + border->bottom;
773 if (view->presentation) {
774 page_area->x = (MAX (0, widget->allocation.width - width))/2;
775 page_area->y = (MAX (0, widget->allocation.height - height))/2;
776 } else if (view->continuous) {
780 ev_page_cache_get_max_width (view->page_cache, view->rotation,
781 view->scale, &max_width);
782 max_width = max_width + border->left + border->right;
783 /* Get the location of the bounding box */
784 if (view->dual_page) {
785 x = view->spacing + ((page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? 0 : 1) * (max_width + view->spacing);
786 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
787 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
788 x = x + (max_width - width - border->left - border->right);
791 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
794 get_page_y_offset (view, page, view->scale, &y);
800 if (view->dual_page) {
801 gint width_2, height_2;
802 gint max_width = width;
803 gint max_height = height;
804 GtkBorder overall_border;
807 other_page = (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? page + 1: page - 1;
809 /* First, we get the bounding box of the two pages */
810 if (other_page < ev_page_cache_get_n_pages (view->page_cache)
811 && (0 <= other_page)) {
812 ev_page_cache_get_size (view->page_cache,
816 &width_2, &height_2);
819 if (height_2 > height)
820 max_height = height_2;
822 compute_border (view, max_width, max_height, &overall_border);
824 /* Find the offsets */
828 /* Adjust for being the left or right page */
829 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
830 x = x + max_width - width;
832 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
834 y = y + (max_height - height)/2;
836 /* Adjust for extra allocation */
837 x = x + MAX (0, widget->allocation.width -
838 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
839 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
844 /* Adjust for extra allocation */
845 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
846 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
857 view_point_to_doc_point (EvView *view,
858 GdkPoint *view_point,
859 GdkRectangle *page_area,
863 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
864 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
868 view_rect_to_doc_rect (EvView *view,
869 GdkRectangle *view_rect,
870 GdkRectangle *page_area,
871 EvRectangle *doc_rect)
873 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
874 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
875 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
876 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
880 doc_point_to_view_point (EvView *view,
883 GdkPoint *view_point)
885 GdkRectangle page_area;
887 double x, y, view_x, view_y;
890 ev_page_cache_get_size (view->page_cache, page,
895 if (view->rotation == 0) {
898 } else if (view->rotation == 90) {
899 x = width - doc_point->y;
901 } else if (view->rotation == 180) {
902 x = width - doc_point->x;
903 y = height - doc_point->y;
904 } else if (view->rotation == 270) {
906 y = height - doc_point->x;
908 g_assert_not_reached ();
911 get_page_extents (view, page, &page_area, &border);
913 view_x = x * view->scale;
914 view_y = y * view->scale;
915 view_point->x = view_x + page_area.x;
916 view_point->y = view_y + page_area.y;
918 return (view_x > 0 && view_x <= page_area.width &&
919 view_y > 0 && view_y <= page_area.height);
923 doc_rect_to_view_rect (EvView *view,
925 EvRectangle *doc_rect,
926 GdkRectangle *view_rect)
928 GdkRectangle page_area;
933 ev_page_cache_get_size (view->page_cache, page,
938 if (view->rotation == 0) {
941 w = doc_rect->x2 - doc_rect->x1;
942 h = doc_rect->y2 - doc_rect->y1;
943 } else if (view->rotation == 90) {
944 x = width - doc_rect->y2;
946 w = doc_rect->y2 - doc_rect->y1;
947 h = doc_rect->x2 - doc_rect->x1;
948 } else if (view->rotation == 180) {
949 x = width - doc_rect->x2;
950 y = height - doc_rect->y2;
951 w = doc_rect->x2 - doc_rect->x1;
952 h = doc_rect->y2 - doc_rect->y1;
953 } else if (view->rotation == 270) {
955 y = height - doc_rect->x2;
956 w = doc_rect->y2 - doc_rect->y1;
957 h = doc_rect->x2 - doc_rect->x1;
959 g_assert_not_reached ();
962 get_page_extents (view, page, &page_area, &border);
964 view_rect->x = x * view->scale + page_area.x;
965 view_rect->y = y * view->scale + page_area.y;
966 view_rect->width = w * view->scale;
967 view_rect->height = h * view->scale;
971 find_page_at_location (EvView *view,
980 if (view->document == NULL)
987 for (i = view->start_page; i <= view->end_page; i++) {
988 GdkRectangle page_area;
991 if (! get_page_extents (view, i, &page_area, &border))
994 if ((x >= page_area.x + border.left) &&
995 (x < page_area.x + page_area.width - border.right) &&
996 (y >= page_area.y + border.top) &&
997 (y < page_area.y + page_area.height - border.bottom)) {
999 *x_offset = x - (page_area.x + border.left);
1000 *y_offset = y - (page_area.y + border.top);
1009 location_in_text (EvView *view,
1015 gint x_offset = 0, y_offset = 0;
1017 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1022 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
1025 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1031 ev_view_get_width (EvView *view)
1033 return GTK_WIDGET (view)->allocation.width;
1037 ev_view_get_height (EvView *view)
1039 return GTK_WIDGET (view)->allocation.height;
1043 location_in_selected_text (EvView *view,
1048 gint x_offset = 0, y_offset = 0;
1049 EvViewSelection *selection;
1052 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1053 selection = (EvViewSelection *)l->data;
1055 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1057 if (page != selection->page)
1060 if (selection->covered_region &&
1061 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1069 get_doc_point_from_offset (EvView *view,
1079 ev_page_cache_get_size (view->page_cache, page,
1084 x_offset = x_offset / view->scale;
1085 y_offset = y_offset / view->scale;
1087 if (view->rotation == 0) {
1090 } else if (view->rotation == 90) {
1092 y = width - x_offset;
1093 } else if (view->rotation == 180) {
1094 x = width - x_offset;
1095 y = height - y_offset;
1096 } else if (view->rotation == 270) {
1097 x = height - y_offset;
1100 g_assert_not_reached ();
1111 ev_view_get_link_at_location (EvView *view,
1116 gint x_offset = 0, y_offset = 0;
1117 gint x_new = 0, y_new = 0;
1118 GList *link_mapping;
1120 if (!EV_IS_DOCUMENT_LINKS (view->document))
1123 x += view->scroll_x;
1124 y += view->scroll_y;
1126 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1132 if (get_doc_point_from_offset (view, page, x_offset,
1133 y_offset, &x_new, &y_new) == FALSE)
1136 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1139 return ev_link_mapping_find (link_mapping, x_new, y_new);
1145 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1150 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - ev_link_dest_get_left (dest),
1151 ev_link_dest_get_bottom (dest) - ev_link_dest_get_top (dest),
1152 ev_view_get_width (view),
1153 ev_view_get_height (view), 0, 0);
1155 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1156 ev_view_set_zoom (view, zoom, FALSE);
1158 doc_point.x = ev_link_dest_get_left (dest);
1159 doc_point.y = ev_link_dest_get_top (dest);
1161 view->current_page = ev_link_dest_get_page (dest);
1162 view->pending_point = doc_point;
1163 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1165 gtk_widget_queue_resize (GTK_WIDGET (view));
1169 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1172 int doc_width, doc_height, page;
1175 page = ev_link_dest_get_page (dest);
1176 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1178 doc_point.x = ev_link_dest_get_left (dest);
1181 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1182 ev_view_get_width (view),
1183 ev_view_get_height (view), 0);
1185 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1186 ev_view_set_zoom (view, zoom, FALSE);
1188 view->current_page = page;
1189 view->pending_point = doc_point;
1190 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1192 gtk_widget_queue_resize (GTK_WIDGET (view));
1196 goto_fith_dest (EvView *view, EvLinkDest *dest)
1199 int doc_width, doc_height, page;
1202 page = ev_link_dest_get_page (dest);
1203 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1206 doc_point.y = ev_link_dest_get_top (dest);
1208 zoom = zoom_for_size_fit_width (doc_width, ev_link_dest_get_top (dest),
1209 ev_view_get_width (view),
1210 ev_view_get_height (view), 0);
1212 ev_view_set_sizing_mode (view, EV_SIZING_FIT_WIDTH);
1213 ev_view_set_zoom (view, zoom, FALSE);
1215 view->current_page = page;
1216 view->pending_point = doc_point;
1217 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1219 gtk_widget_queue_resize (GTK_WIDGET (view));
1223 goto_fit_dest (EvView *view, EvLinkDest *dest)
1226 int doc_width, doc_height;
1229 page = ev_link_dest_get_page (dest);
1230 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1232 zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view),
1233 ev_view_get_height (view), 0, 0);
1235 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
1236 ev_view_set_zoom (view, zoom, FALSE);
1238 view->current_page = page;
1239 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1241 gtk_widget_queue_resize (GTK_WIDGET (view));
1245 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1251 zoom = ev_link_dest_get_zoom (dest);
1252 page = ev_link_dest_get_page (dest);
1255 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1256 ev_view_set_zoom (view, zoom, FALSE);
1259 doc_point.x = ev_link_dest_get_left (dest);
1260 doc_point.y = ev_link_dest_get_top (dest);
1262 view->current_page = page;
1263 view->pending_point = doc_point;
1264 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1266 gtk_widget_queue_resize (GTK_WIDGET (view));
1270 goto_dest (EvView *view, EvLinkDest *dest)
1272 EvLinkDestType type;
1273 int page, n_pages, current_page;
1275 page = ev_link_dest_get_page (dest);
1276 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1278 if (page < 0 || page >= n_pages)
1281 current_page = view->current_page;
1283 type = ev_link_dest_get_dest_type (dest);
1286 case EV_LINK_DEST_TYPE_PAGE:
1287 ev_page_cache_set_current_page (view->page_cache, page);
1289 case EV_LINK_DEST_TYPE_FIT:
1290 goto_fit_dest (view, dest);
1292 case EV_LINK_DEST_TYPE_FITH:
1293 goto_fith_dest (view, dest);
1295 case EV_LINK_DEST_TYPE_FITV:
1296 goto_fitv_dest (view, dest);
1298 case EV_LINK_DEST_TYPE_FITR:
1299 goto_fitr_dest (view, dest);
1301 case EV_LINK_DEST_TYPE_XYZ:
1302 goto_xyz_dest (view, dest);
1304 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1305 ev_page_cache_set_page_label (view->page_cache, ev_link_dest_get_page_label (dest));
1308 g_assert_not_reached ();
1311 if (current_page != view->current_page)
1312 ev_page_cache_set_current_page (view->page_cache,
1313 view->current_page);
1317 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1319 EvLinkDestType type;
1321 type = ev_link_dest_get_dest_type (dest);
1323 if (type == EV_LINK_DEST_TYPE_NAMED) {
1325 const gchar *named_dest;
1327 named_dest = ev_link_dest_get_named_dest (dest);
1328 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1331 goto_dest (view, dest2);
1332 g_object_unref (dest2);
1338 goto_dest (view, dest);
1342 ev_view_handle_link (EvView *view, EvLink *link)
1344 EvLinkAction *action = NULL;
1345 EvLinkActionType type;
1347 action = ev_link_get_action (link);
1351 type = ev_link_action_get_action_type (action);
1354 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1357 g_signal_emit (view, signals[SIGNAL_HANDLE_LINK], 0, link);
1359 dest = ev_link_action_get_dest (action);
1360 ev_view_goto_dest (view, dest);
1363 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1364 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1365 case EV_LINK_ACTION_TYPE_LAUNCH:
1366 case EV_LINK_ACTION_TYPE_NAMED:
1367 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1373 ev_view_page_label_from_dest (EvView *view, EvLinkDest *dest)
1375 EvLinkDestType type;
1378 type = ev_link_dest_get_dest_type (dest);
1381 case EV_LINK_DEST_TYPE_NAMED: {
1383 const gchar *named_dest;
1385 named_dest = ev_link_dest_get_named_dest (dest);
1386 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1389 msg = ev_page_cache_get_page_label (view->page_cache,
1390 ev_link_dest_get_page (dest2));
1391 g_object_unref (dest2);
1396 case EV_LINK_DEST_TYPE_PAGE_LABEL: {
1397 msg = g_strdup (ev_link_dest_get_page_label (dest));
1401 msg = ev_page_cache_get_page_label (view->page_cache,
1402 ev_link_dest_get_page (dest));
1409 tip_from_action_named (EvLinkAction *action)
1411 const gchar *name = ev_link_action_get_name (action);
1413 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1414 return g_strdup (_("Go to first page"));
1415 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1416 return g_strdup (_("Go to previous page"));
1417 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1418 return g_strdup (_("Go to next page"));
1419 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1420 return g_strdup (_("Go to last page"));
1421 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1422 return g_strdup (_("Go to page"));
1423 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1424 return g_strdup (_("Find"));
1431 tip_from_link (EvView *view, EvLink *link)
1433 EvLinkAction *action;
1434 EvLinkActionType type;
1439 action = ev_link_get_action (link);
1440 title = ev_link_get_title (link);
1443 return title ? g_strdup (title) : NULL;
1445 type = ev_link_action_get_action_type (action);
1448 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1449 page_label = ev_view_page_label_from_dest (view,
1450 ev_link_action_get_dest (action));
1451 msg = g_strdup_printf (_("Go to page %s"), page_label);
1452 g_free (page_label);
1454 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1456 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1457 ev_link_action_get_filename (action));
1459 msg = g_strdup_printf (_("Go to file “%s”"),
1460 ev_link_action_get_filename (action));
1464 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1465 msg = g_strdup (ev_link_action_get_uri (action));
1467 case EV_LINK_ACTION_TYPE_LAUNCH:
1468 msg = g_strdup_printf (_("Launch %s"),
1469 ev_link_action_get_filename (action));
1471 case EV_LINK_ACTION_TYPE_NAMED:
1472 msg = tip_from_action_named (action);
1476 msg = g_strdup (title);
1484 handle_link_over_xy (EvView *view, gint x, gint y)
1488 link = ev_view_get_link_at_location (view, x, y);
1490 if (view->link_tooltip == NULL) {
1491 view->link_tooltip = ev_tooltip_new (GTK_WIDGET (view));
1494 if (view->hovered_link != link) {
1495 view->hovered_link = link;
1496 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
1500 char *msg = tip_from_link (view, link);
1502 if (msg && g_utf8_validate (msg, -1, NULL)) {
1503 EvTooltip *tooltip = EV_TOOLTIP (view->link_tooltip);
1505 ev_tooltip_set_position (tooltip, x, y);
1506 ev_tooltip_set_text (tooltip, msg);
1507 ev_tooltip_activate (tooltip);
1511 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1512 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1513 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1515 ev_view_set_status (view, NULL);
1516 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1517 view->cursor == EV_VIEW_CURSOR_IBEAM)
1518 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1525 ev_view_get_image_at_location (EvView *view,
1530 gint x_offset = 0, y_offset = 0;
1531 gint x_new = 0, y_new = 0;
1532 GList *image_mapping;
1534 if (!EV_IS_DOCUMENT_IMAGES (view->document))
1537 x += view->scroll_x;
1538 y += view->scroll_y;
1540 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1545 if (get_doc_point_from_offset (view, page, x_offset,
1546 y_offset, &x_new, &y_new) == FALSE)
1549 image_mapping = ev_pixbuf_cache_get_image_mapping (view->pixbuf_cache, page);
1552 return ev_image_mapping_find (image_mapping, x_new, y_new);
1557 /*** GtkWidget implementation ***/
1560 ev_view_size_request_continuous_dual_page (EvView *view,
1561 GtkRequisition *requisition)
1567 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1568 view->scale, &max_width);
1569 compute_border (view, max_width, max_width, &border);
1571 n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1;
1573 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
1574 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1576 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1577 requisition->width = 1;
1578 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1579 requisition->width = 1;
1580 /* FIXME: This could actually be set on one page docs or docs
1581 * with a strange aspect ratio. */
1582 /* requisition->height = 1;*/
1587 ev_view_size_request_continuous (EvView *view,
1588 GtkRequisition *requisition)
1595 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1596 view->scale, &max_width);
1597 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1598 compute_border (view, max_width, max_width, &border);
1600 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
1601 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1603 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1604 requisition->width = 1;
1605 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1606 requisition->width = 1;
1607 /* FIXME: This could actually be set on one page docs or docs
1608 * with a strange aspect ratio. */
1609 /* requisition->height = 1;*/
1614 ev_view_size_request_dual_page (EvView *view,
1615 GtkRequisition *requisition)
1620 /* Find the largest of the two. */
1621 ev_page_cache_get_size (view->page_cache,
1626 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) {
1627 gint width_2, height_2;
1628 ev_page_cache_get_size (view->page_cache,
1629 view->current_page + 1,
1632 &width_2, &height_2);
1633 if (width_2 > width) {
1638 compute_border (view, width, height, &border);
1640 requisition->width = ((width + border.left + border.right) * 2) +
1641 (view->spacing * 3);
1642 requisition->height = (height + border.top + border.bottom) +
1643 (view->spacing * 2);
1645 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1646 requisition->width = 1;
1647 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1648 requisition->width = 1;
1649 requisition->height = 1;
1654 ev_view_size_request_single_page (EvView *view,
1655 GtkRequisition *requisition)
1660 ev_page_cache_get_size (view->page_cache,
1665 compute_border (view, width, height, &border);
1667 requisition->width = width + border.left + border.right + (2 * view->spacing);
1668 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1670 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1671 requisition->width = 1;
1672 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1673 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1674 requisition->width = 1;
1675 requisition->height = 1;
1680 ev_view_size_request (GtkWidget *widget,
1681 GtkRequisition *requisition)
1683 EvView *view = EV_VIEW (widget);
1685 if (view->document == NULL) {
1686 requisition->width = 1;
1687 requisition->height = 1;
1691 if (view->presentation) {
1692 requisition->width = 1;
1693 requisition->height = 1;
1697 if (view->continuous && view->dual_page)
1698 ev_view_size_request_continuous_dual_page (view, requisition);
1699 else if (view->continuous)
1700 ev_view_size_request_continuous (view, requisition);
1701 else if (view->dual_page)
1702 ev_view_size_request_dual_page (view, requisition);
1704 ev_view_size_request_single_page (view, requisition);
1708 ev_view_size_allocate (GtkWidget *widget,
1709 GtkAllocation *allocation)
1711 EvView *view = EV_VIEW (widget);
1713 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
1715 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
1716 view->sizing_mode == EV_SIZING_BEST_FIT) {
1718 g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0);
1720 ev_view_size_request (widget, &widget->requisition);
1723 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
1724 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
1727 view_update_range_and_current_page (view);
1729 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
1730 view->pending_resize = FALSE;
1734 ev_view_realize (GtkWidget *widget)
1736 EvView *view = EV_VIEW (widget);
1737 GdkWindowAttr attributes;
1739 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
1741 attributes.window_type = GDK_WINDOW_CHILD;
1742 attributes.wclass = GDK_INPUT_OUTPUT;
1743 attributes.visual = gtk_widget_get_visual (widget);
1744 attributes.colormap = gtk_widget_get_colormap (widget);
1746 attributes.x = widget->allocation.x;
1747 attributes.y = widget->allocation.y;
1748 attributes.width = widget->allocation.width;
1749 attributes.height = widget->allocation.height;
1750 attributes.event_mask = GDK_EXPOSURE_MASK |
1751 GDK_BUTTON_PRESS_MASK |
1752 GDK_BUTTON_RELEASE_MASK |
1754 GDK_KEY_PRESS_MASK |
1755 GDK_POINTER_MOTION_MASK |
1756 GDK_POINTER_MOTION_HINT_MASK |
1757 GDK_ENTER_NOTIFY_MASK |
1758 GDK_LEAVE_NOTIFY_MASK;
1760 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
1762 GDK_WA_X | GDK_WA_Y |
1765 gdk_window_set_user_data (widget->window, widget);
1766 widget->style = gtk_style_attach (widget->style, widget->window);
1768 if (view->presentation)
1769 gdk_window_set_background (widget->window, &widget->style->black);
1771 gdk_window_set_background (widget->window, &widget->style->mid [GTK_STATE_NORMAL]);
1775 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
1777 EvView *view = EV_VIEW (widget);
1780 state = event->state & gtk_accelerator_get_default_mod_mask ();
1782 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
1783 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1785 if (event->direction == GDK_SCROLL_UP ||
1786 event->direction == GDK_SCROLL_LEFT) {
1787 if (ev_view_can_zoom_in (view)) {
1788 ev_view_zoom_in (view);
1791 if (ev_view_can_zoom_out (view)) {
1792 ev_view_zoom_out (view);
1799 view->jump_to_find_result = FALSE;
1800 /* Shift+Wheel scrolls the in the perpendicular direction */
1801 if (state & GDK_SHIFT_MASK) {
1802 if (event->direction == GDK_SCROLL_UP)
1803 event->direction = GDK_SCROLL_LEFT;
1804 if (event->direction == GDK_SCROLL_LEFT)
1805 event->direction = GDK_SCROLL_UP;
1806 if (event->direction == GDK_SCROLL_DOWN)
1807 event->direction = GDK_SCROLL_RIGHT;
1808 if (event->direction == GDK_SCROLL_RIGHT)
1809 event->direction = GDK_SCROLL_DOWN;
1811 event->state &= ~GDK_SHIFT_MASK;
1812 state &= ~GDK_SHIFT_MASK;
1815 if (state == 0 && view->presentation) {
1816 switch (event->direction) {
1817 case GDK_SCROLL_DOWN:
1818 case GDK_SCROLL_RIGHT:
1819 ev_view_next_page (view);
1822 case GDK_SCROLL_LEFT:
1823 ev_view_previous_page (view);
1833 static EvViewSelection *
1834 find_selection_for_page (EvView *view,
1839 for (list = view->selection_info.selections; list != NULL; list = list->next) {
1840 EvViewSelection *selection;
1842 selection = (EvViewSelection *) list->data;
1844 if (selection->page == page)
1852 draw_end_presentation_page (EvView *view,
1853 GdkRectangle *page_area)
1855 PangoLayout *layout;
1856 PangoFontDescription *font_desc;
1858 const gchar *text = _("End of presentation. Press Escape to exit.");
1860 if (view->presentation_state != EV_PRESENTATION_END)
1863 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), NULL);
1864 markup = g_strdup_printf ("<span foreground=\"white\">%s</span>", text);
1865 pango_layout_set_markup (layout, markup, -1);
1868 font_desc = pango_font_description_new ();
1869 pango_font_description_set_size (font_desc, 16 * PANGO_SCALE);
1870 pango_layout_set_font_description (layout, font_desc);
1872 gtk_paint_layout (GTK_WIDGET (view)->style,
1873 GTK_WIDGET (view)->window,
1874 GTK_WIDGET_STATE (view),
1883 pango_font_description_free (font_desc);
1884 g_object_unref (layout);
1888 ev_view_expose_event (GtkWidget *widget,
1889 GdkEventExpose *event)
1891 EvView *view = EV_VIEW (widget);
1894 if (view->presentation) {
1895 switch (view->presentation_state) {
1896 case EV_PRESENTATION_END: {
1897 GdkRectangle area = {0};
1899 area.width = widget->allocation.width;
1900 area.height = widget->allocation.height;
1902 draw_end_presentation_page (view, &area);
1905 case EV_PRESENTATION_BLACK:
1906 case EV_PRESENTATION_WHITE:
1908 case EV_PRESENTATION_NORMAL:
1912 } else 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 (!view->document)
1989 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
1990 gtk_widget_grab_focus (widget);
1993 view->pressed_button = event->button;
1994 view->selection_info.in_drag = FALSE;
1996 switch (event->button) {
2000 if (view->selection_info.selections) {
2001 if (location_in_selected_text (view,
2002 event->x + view->scroll_x,
2003 event->y + view->scroll_y)) {
2004 view->selection_info.in_drag = TRUE;
2006 clear_selection (view);
2009 gtk_widget_queue_draw (widget);
2010 } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) &&
2011 (image = ev_view_get_image_at_location (view, event->x, event->y))) {
2012 if (view->image_dnd_info.image)
2013 g_object_unref (view->image_dnd_info.image);
2014 view->image_dnd_info.image = g_object_ref (image);
2015 view->image_dnd_info.in_drag = TRUE;
2017 view->image_dnd_info.start.x = event->x + view->scroll_x;
2018 view->image_dnd_info.start.y = event->y + view->scroll_y;
2021 view->selection_info.start.x = event->x + view->scroll_x;
2022 view->selection_info.start.y = event->y + view->scroll_y;
2026 /* use root coordinates as reference point because
2027 * scrolling changes window relative coordinates */
2028 view->drag_info.start.x = event->x_root;
2029 view->drag_info.start.y = event->y_root;
2030 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
2031 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
2033 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
2037 return ev_view_do_popup_menu (view, event->x, event->y);
2043 /*** Drag and Drop ***/
2045 ev_view_drag_data_get (GtkWidget *widget,
2046 GdkDragContext *context,
2047 GtkSelectionData *selection_data,
2051 EvView *view = EV_VIEW (widget);
2054 case TARGET_DND_TEXT:
2055 if (view->selection_info.selections &&
2056 ev_document_can_get_text (view->document)) {
2059 text = get_selected_text (view);
2061 gtk_selection_data_set_text (selection_data,
2068 case TARGET_DND_IMAGE:
2069 if (view->image_dnd_info.image) {
2072 pixbuf = ev_image_get_pixbuf (view->image_dnd_info.image);
2073 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
2076 case TARGET_DND_URI:
2077 if (view->image_dnd_info.image) {
2078 const gchar *tmp_uri;
2081 tmp_uri = ev_image_save_tmp (view->image_dnd_info.image);
2083 uris = g_new0 (gchar *, 2);
2084 uris[0] = (gchar *)tmp_uri;
2086 gtk_selection_data_set_uris (selection_data, uris);
2088 /* g_free instead of g_strfreev since tmp_uri is const */
2095 ev_view_drag_motion (GtkWidget *widget,
2096 GdkDragContext *context,
2101 if (gtk_drag_get_source_widget (context) == widget)
2102 gdk_drag_status (context, 0, time);
2104 gdk_drag_status (context, context->suggested_action, time);
2110 ev_view_drag_data_received (GtkWidget *widget,
2111 GdkDragContext *context,
2114 GtkSelectionData *selection_data,
2120 GSList *uri_list = NULL;
2122 uris = gtk_selection_data_get_uris (selection_data);
2124 gtk_drag_finish (context, FALSE, FALSE, time);
2128 for (i = 0; uris[i]; i++) {
2129 uri_list = g_slist_prepend (uri_list, (gpointer) uris[i]);
2132 ev_application_open_uri_list (EV_APP, uri_list,
2133 gtk_widget_get_screen (widget),
2135 gtk_drag_finish (context, TRUE, FALSE, time);
2138 g_slist_free (uri_list);
2143 selection_update_idle_cb (EvView *view)
2145 compute_selections (view, &view->selection_info.start, &view->motion);
2146 view->selection_update_id = 0;
2151 selection_scroll_timeout_cb (EvView *view)
2153 gint x, y, shift = 0;
2154 GtkWidget *widget = GTK_WIDGET (view);
2156 gtk_widget_get_pointer (widget, &x, &y);
2158 if (y > widget->allocation.height) {
2159 shift = (y - widget->allocation.height) / 2;
2165 gtk_adjustment_set_value (view->vadjustment,
2166 CLAMP (view->vadjustment->value + shift,
2167 view->vadjustment->lower,
2168 view->vadjustment->upper -
2169 view->vadjustment->page_size));
2171 if (x > widget->allocation.width) {
2172 shift = (x - widget->allocation.width) / 2;
2178 gtk_adjustment_set_value (view->hadjustment,
2179 CLAMP (view->hadjustment->value + shift,
2180 view->hadjustment->lower,
2181 view->hadjustment->upper -
2182 view->hadjustment->page_size));
2188 ev_view_motion_notify_event (GtkWidget *widget,
2189 GdkEventMotion *event)
2191 EvView *view = EV_VIEW (widget);
2194 if (!view->document)
2197 if (event->is_hint || event->window != widget->window) {
2198 gtk_widget_get_pointer (widget, &x, &y);
2204 if (view->selection_info.in_drag) {
2205 if (gtk_drag_check_threshold (widget,
2206 view->selection_info.start.x,
2207 view->selection_info.start.y,
2209 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
2211 gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT);
2213 gtk_drag_begin (widget, target_list,
2215 1, (GdkEvent *)event);
2217 view->selection_info.in_drag = FALSE;
2219 gtk_target_list_unref (target_list);
2223 } else if (view->image_dnd_info.in_drag) {
2224 if (gtk_drag_check_threshold (widget,
2225 view->selection_info.start.x,
2226 view->selection_info.start.y,
2228 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
2230 gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI);
2231 gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE);
2233 gtk_drag_begin (widget, target_list,
2235 1, (GdkEvent *)event);
2237 view->image_dnd_info.in_drag = FALSE;
2239 gtk_target_list_unref (target_list);
2245 /* For the Evince 0.4.x release, we limit selection to un-rotated
2248 if (view->pressed_button == 1 && view->rotation == 0) {
2250 /* Schedule timeout to scroll during selection and additionally
2251 * scroll once to allow arbitrary speed. */
2252 if (!view->selection_scroll_id)
2253 view->selection_scroll_id = g_timeout_add (SCROLL_TIME, (GSourceFunc)selection_scroll_timeout_cb, view);
2255 selection_scroll_timeout_cb (view);
2257 view->selection_info.in_selection = TRUE;
2258 view->motion.x = x + view->scroll_x;
2259 view->motion.y = y + view->scroll_y;
2261 /* Queue an idle to handle the motion. We do this because
2262 * handling any selection events in the motion could be slower
2263 * than new motion events reach us. We always put it in the
2264 * idle to make sure we catch up and don't visibly lag the
2266 if (!view->selection_update_id)
2267 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
2270 } else if (view->pressed_button == 2) {
2271 if (!view->drag_info.in_drag) {
2274 start = gtk_drag_check_threshold (widget,
2275 view->drag_info.start.x,
2276 view->drag_info.start.y,
2279 view->drag_info.in_drag = start;
2282 if (view->drag_info.in_drag) {
2284 gdouble dhadj_value, dvadj_value;
2286 dx = event->x_root - view->drag_info.start.x;
2287 dy = event->y_root - view->drag_info.start.y;
2289 dhadj_value = view->hadjustment->page_size *
2290 (gdouble)dx / widget->allocation.width;
2291 dvadj_value = view->vadjustment->page_size *
2292 (gdouble)dy / widget->allocation.height;
2294 /* clamp scrolling to visible area */
2295 gtk_adjustment_set_value (view->hadjustment,
2296 MIN(view->drag_info.hadj - dhadj_value,
2297 view->hadjustment->upper -
2298 view->hadjustment->page_size));
2299 gtk_adjustment_set_value (view->vadjustment,
2300 MIN(view->drag_info.vadj - dvadj_value,
2301 view->vadjustment->upper -
2302 view->vadjustment->page_size));
2306 } else if (view->pressed_button <= 0) {
2307 handle_link_over_xy (view, x, y);
2315 ev_view_button_release_event (GtkWidget *widget,
2316 GdkEventButton *event)
2318 EvView *view = EV_VIEW (widget);
2321 if (view->pressed_button == 2) {
2322 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
2325 if (view->document && view->pressed_button != 3) {
2326 link = ev_view_get_link_at_location (view, event->x, event->y);
2331 view->pressed_button = -1;
2332 view->drag_info.in_drag = FALSE;
2333 view->image_dnd_info.in_drag = FALSE;
2335 if (view->selection_scroll_id) {
2336 g_source_remove (view->selection_scroll_id);
2337 view->selection_scroll_id = 0;
2339 if (view->selection_update_id) {
2340 g_source_remove (view->selection_update_id);
2341 view->selection_update_id = 0;
2344 if (view->selection_info.selections) {
2345 ev_view_update_primary_selection (view);
2347 if (view->selection_info.in_drag) {
2348 clear_selection (view);
2349 gtk_widget_queue_draw (widget);
2352 view->selection_info.in_drag = FALSE;
2354 if (event->button == 2) {
2355 EvLinkAction *action;
2356 EvLinkActionType type;
2358 action = ev_link_get_action (link);
2362 type = ev_link_action_get_action_type (action);
2363 if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
2364 g_signal_emit (view,
2365 signals[SIGNAL_EXTERNAL_LINK],
2369 ev_view_handle_link (view, link);
2371 } else if (view->presentation) {
2372 switch (event->button) {
2374 ev_view_next_page (view);
2377 ev_view_previous_page (view);
2386 /* Cut and paste from gtkwindow.c */
2388 send_focus_change (GtkWidget *widget,
2391 GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE);
2393 g_object_ref (widget);
2396 GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
2398 GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
2400 fevent->focus_change.type = GDK_FOCUS_CHANGE;
2401 fevent->focus_change.window = g_object_ref (widget->window);
2402 fevent->focus_change.in = in;
2404 gtk_widget_event (widget, fevent);
2406 g_object_notify (G_OBJECT (widget), "has-focus");
2408 g_object_unref (widget);
2409 gdk_event_free (fevent);
2413 ev_view_goto_window_hide (EvView *view)
2415 /* send focus-in event */
2416 send_focus_change (view->goto_entry, FALSE);
2417 gtk_widget_hide (view->goto_window);
2418 gtk_entry_set_text (GTK_ENTRY (view->goto_entry), "");
2422 ev_view_goto_window_delete_event (GtkWidget *widget,
2426 ev_view_goto_window_hide (view);
2432 key_is_numeric (guint keyval)
2434 return ((keyval >= GDK_0 && keyval <= GDK_9) ||
2435 (keyval >= GDK_KP_0 && keyval <= GDK_KP_9));
2439 ev_view_goto_window_key_press_event (GtkWidget *widget,
2443 switch (event->keyval) {
2447 case GDK_ISO_Left_Tab:
2448 ev_view_goto_window_hide (view);
2457 if (!key_is_numeric (event->keyval))
2465 ev_view_goto_window_button_press_event (GtkWidget *widget,
2466 GdkEventButton *event,
2469 ev_view_goto_window_hide (view);
2475 ev_view_goto_entry_activate (GtkEntry *entry,
2481 text = gtk_entry_get_text (entry);
2482 page = atoi (text) - 1;
2484 ev_view_goto_window_hide (view);
2487 page < ev_page_cache_get_n_pages (view->page_cache))
2488 ev_page_cache_set_current_page (view->page_cache, page);
2492 ev_view_goto_window_create (EvView *view)
2494 GtkWidget *frame, *hbox, *toplevel, *label;
2496 toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view));
2498 if (view->goto_window) {
2499 if (GTK_WINDOW (toplevel)->group)
2500 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
2501 GTK_WINDOW (view->goto_window));
2502 else if (GTK_WINDOW (view->goto_window)->group)
2503 gtk_window_group_remove_window (GTK_WINDOW (view->goto_window)->group,
2504 GTK_WINDOW (view->goto_window));
2508 view->goto_window = gtk_window_new (GTK_WINDOW_POPUP);
2510 if (GTK_WINDOW (toplevel)->group)
2511 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
2512 GTK_WINDOW (view->goto_window));
2514 gtk_window_set_modal (GTK_WINDOW (view->goto_window), TRUE);
2516 g_signal_connect (view->goto_window, "delete_event",
2517 G_CALLBACK (ev_view_goto_window_delete_event),
2519 g_signal_connect (view->goto_window, "key_press_event",
2520 G_CALLBACK (ev_view_goto_window_key_press_event),
2522 g_signal_connect (view->goto_window, "button_press_event",
2523 G_CALLBACK (ev_view_goto_window_button_press_event),
2526 frame = gtk_frame_new (NULL);
2527 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
2528 gtk_container_add (GTK_CONTAINER (view->goto_window), frame);
2529 gtk_widget_show (frame);
2531 hbox = gtk_hbox_new (FALSE, 0);
2532 gtk_container_set_border_width (GTK_CONTAINER (hbox), 3);
2533 gtk_container_add (GTK_CONTAINER (frame), hbox);
2534 gtk_widget_show (hbox);
2536 label = gtk_label_new(_("Jump to page:"));
2537 gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 3);
2538 gtk_widget_show (label);
2539 gtk_widget_realize (label);
2541 view->goto_entry = gtk_entry_new ();
2542 g_signal_connect (view->goto_entry, "activate",
2543 G_CALLBACK (ev_view_goto_entry_activate),
2545 gtk_box_pack_start_defaults (GTK_BOX (hbox), view->goto_entry);
2546 gtk_widget_show (view->goto_entry);
2547 gtk_widget_realize (view->goto_entry);
2551 ev_view_goto_entry_grab_focus (EvView *view)
2553 GtkWidgetClass *entry_parent_class;
2555 entry_parent_class = g_type_class_peek_parent (GTK_ENTRY_GET_CLASS (view->goto_entry));
2556 (entry_parent_class->grab_focus) (view->goto_entry);
2558 send_focus_change (view->goto_entry, TRUE);
2562 ev_view_goto_window_send_key_event (EvView *view,
2565 GdkEventKey *new_event;
2568 /* Move goto window off screen */
2569 screen = gtk_widget_get_screen (GTK_WIDGET (view));
2570 gtk_window_move (GTK_WINDOW (view->goto_window),
2571 gdk_screen_get_width (screen) + 1,
2572 gdk_screen_get_height (screen) + 1);
2573 gtk_widget_show (view->goto_window);
2575 new_event = (GdkEventKey *) gdk_event_copy (event);
2576 g_object_unref (new_event->window);
2577 new_event->window = g_object_ref (view->goto_window->window);
2578 gtk_widget_realize (view->goto_window);
2580 gtk_widget_event (view->goto_window, (GdkEvent *)new_event);
2581 gdk_event_free ((GdkEvent *)new_event);
2582 gtk_widget_hide (view->goto_window);
2586 ev_view_key_press_event (GtkWidget *widget,
2589 EvView *view = EV_VIEW (widget);
2590 EvPresentationState current;
2592 if (!view->document)
2595 if (!view->presentation ||
2596 view->presentation_state == EV_PRESENTATION_END)
2597 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
2600 current = view->presentation_state;
2602 switch (event->keyval) {
2605 view->presentation_state =
2606 (view->presentation_state == EV_PRESENTATION_BLACK) ?
2607 EV_PRESENTATION_NORMAL : EV_PRESENTATION_BLACK;
2611 view->presentation_state =
2612 (view->presentation_state == EV_PRESENTATION_WHITE) ?
2613 EV_PRESENTATION_NORMAL : EV_PRESENTATION_WHITE;
2616 if (view->presentation_state == EV_PRESENTATION_BLACK ||
2617 view->presentation_state == EV_PRESENTATION_WHITE) {
2618 view->presentation_state = EV_PRESENTATION_NORMAL;
2622 if (current == view->presentation_state) {
2623 if (ev_page_cache_get_n_pages (view->page_cache) > 1 &&
2624 key_is_numeric (event->keyval)) {
2627 ev_view_goto_window_create (view);
2628 ev_view_goto_window_send_key_event (view, (GdkEvent *)event);
2629 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
2630 gtk_window_move (GTK_WINDOW (view->goto_window), x, y);
2631 gtk_widget_show (view->goto_window);
2632 ev_view_goto_entry_grab_focus (view);
2637 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
2640 switch (view->presentation_state) {
2641 case EV_PRESENTATION_NORMAL:
2642 case EV_PRESENTATION_BLACK:
2643 gdk_window_set_background (widget->window,
2644 &widget->style->black);
2646 case EV_PRESENTATION_WHITE:
2647 gdk_window_set_background (widget->window,
2648 &widget->style->white);
2651 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
2654 gtk_widget_queue_draw (widget);
2659 ev_view_focus_in (GtkWidget *widget,
2660 GdkEventFocus *event)
2662 if (EV_VIEW (widget)->pixbuf_cache)
2663 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
2664 gtk_widget_queue_draw (widget);
2670 ev_view_focus_out (GtkWidget *widget,
2671 GdkEventFocus *event)
2673 if (EV_VIEW (widget)->goto_window)
2674 ev_view_goto_window_hide (EV_VIEW (widget));
2676 if (EV_VIEW (widget)->pixbuf_cache)
2677 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
2678 gtk_widget_queue_draw (widget);
2684 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
2686 EvView *view = EV_VIEW (widget);
2688 ev_view_set_status (view, NULL);
2690 if (view->cursor == EV_VIEW_CURSOR_LINK ||
2691 view->cursor == EV_VIEW_CURSOR_IBEAM)
2692 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
2694 if (view->link_tooltip) {
2695 view->hovered_link = NULL;
2696 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
2703 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
2705 EvView *view = EV_VIEW (widget);
2707 handle_link_over_xy (view, event->x, event->y);
2713 ev_view_style_set (GtkWidget *widget,
2714 GtkStyle *old_style)
2716 if (EV_VIEW (widget)->pixbuf_cache)
2717 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
2719 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
2725 ev_gdk_color_to_rgb (const GdkColor *color)
2728 result = (0xff0000 | (color->red & 0xff00));
2730 result |= ((color->green & 0xff00) | (color->blue >> 8));
2735 draw_rubberband (GtkWidget *widget, GdkWindow *window,
2736 const GdkRectangle *rect, guchar alpha)
2740 GdkColor *fill_color_gdk;
2743 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
2744 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
2746 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
2747 rect->width, rect->height);
2748 gdk_pixbuf_fill (pixbuf, fill_color);
2750 gdk_draw_pixbuf (window, NULL, pixbuf,
2752 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
2753 rect->width, rect->height,
2754 GDK_RGB_DITHER_NONE,
2757 g_object_unref (pixbuf);
2759 gc = gdk_gc_new (window);
2760 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
2761 gdk_draw_rectangle (window, gc, FALSE,
2762 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
2765 g_object_unref (gc);
2767 gdk_color_free (fill_color_gdk);
2772 highlight_find_results (EvView *view, int page)
2774 EvDocumentFind *find;
2777 g_return_if_fail (EV_IS_DOCUMENT_FIND (view->document));
2779 find = EV_DOCUMENT_FIND (view->document);
2781 results = ev_document_find_get_n_results (find, page);
2783 for (i = 0; i < results; i++) {
2784 EvRectangle rectangle;
2785 GdkRectangle view_rectangle;
2788 if (i == view->find_result && page == view->current_page) {
2794 ev_document_find_get_result (find, page, i, &rectangle);
2795 doc_rect_to_view_rect (view, page, &rectangle, &view_rectangle);
2796 draw_rubberband (GTK_WIDGET (view), GTK_WIDGET(view)->window,
2797 &view_rectangle, alpha);
2802 draw_loading_text (EvView *view,
2803 GdkRectangle *page_area,
2804 GdkRectangle *expose_area)
2809 /* Don't annoy users with loading messages during presentations.
2810 * FIXME: Temporary "workaround" for
2811 * http://bugzilla.gnome.org/show_bug.cgi?id=320352 */
2812 if (view->presentation)
2815 if (!view->loading_text) {
2816 const gchar *loading_text;
2817 PangoLayout *layout;
2818 PangoFontDescription *font_desc;
2819 PangoRectangle logical_rect;
2823 loading_text = _("Loading...");
2825 ev_document_fc_mutex_lock ();
2827 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
2829 font_desc = pango_font_description_new ();
2831 /* We set the font to be 10 points, get the size, and scale appropriately */
2832 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
2833 pango_layout_set_font_description (layout, font_desc);
2834 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2836 /* Make sure we fit the middle of the page */
2837 target_width = MAX (page_area->width / 2, 1);
2838 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
2839 pango_font_description_set_size (font_desc, (int)real_scale);
2840 pango_layout_set_font_description (layout, font_desc);
2841 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2843 view->loading_text = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
2845 logical_rect.height);
2846 cr = cairo_create (view->loading_text);
2847 cairo_set_source_rgb (cr,
2851 pango_cairo_show_layout (cr, layout);
2854 pango_font_description_free (font_desc);
2855 g_object_unref (layout);
2857 ev_document_fc_mutex_unlock ();
2860 width = cairo_image_surface_get_width (view->loading_text) / 2;
2861 height = (page_area->height - cairo_image_surface_get_height (view->loading_text)) / 2;
2863 cr = gdk_cairo_create (GTK_WIDGET (view)->window);
2864 cairo_set_source_surface (cr, view->loading_text,
2865 page_area->x + width,
2866 page_area->y + height);
2872 draw_one_page (EvView *view,
2874 GdkRectangle *page_area,
2876 GdkRectangle *expose_area,
2877 gboolean *page_ready)
2880 GdkPixbuf *current_pixbuf;
2881 GdkRectangle overlap;
2882 GdkRectangle real_page_area;
2883 EvViewSelection *selection;
2886 g_assert (view->document);
2888 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
2891 current_page = ev_page_cache_get_current_page (view->page_cache);
2892 selection = find_selection_for_page (view, page);
2893 ev_page_cache_get_size (view->page_cache,
2894 page, view->rotation,
2897 /* Render the document itself */
2898 real_page_area = *page_area;
2900 real_page_area.x += border->left;
2901 real_page_area.y += border->top;
2902 real_page_area.width -= (border->left + border->right);
2903 real_page_area.height -= (border->top + border->bottom);
2906 if (!view->presentation) {
2907 ev_document_misc_paint_one_page (GTK_WIDGET(view)->window,
2910 page == current_page);
2913 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
2914 GdkPixbuf *selection_pixbuf = NULL;
2915 GdkPixbuf *scaled_image;
2916 GdkPixbuf *scaled_selection;
2918 current_pixbuf = ev_pixbuf_cache_get_pixbuf (view->pixbuf_cache, page);
2920 /* Get the selection pixbuf iff we have something to draw */
2921 if (current_pixbuf && view->selection_mode == EV_VIEW_SELECTION_TEXT && selection)
2922 selection_pixbuf = ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
2927 if (current_pixbuf == NULL)
2928 scaled_image = NULL;
2929 else if (width == gdk_pixbuf_get_width (current_pixbuf) &&
2930 height == gdk_pixbuf_get_height (current_pixbuf))
2931 scaled_image = g_object_ref (current_pixbuf);
2933 /* FIXME: We don't want to scale the whole area, just the right
2935 scaled_image = gdk_pixbuf_scale_simple (current_pixbuf,
2937 GDK_INTERP_NEAREST);
2939 if (selection_pixbuf == NULL)
2940 scaled_selection = NULL;
2941 else if (width == gdk_pixbuf_get_width (selection_pixbuf) &&
2942 height == gdk_pixbuf_get_height (selection_pixbuf))
2943 scaled_selection = g_object_ref (selection_pixbuf);
2945 /* FIXME: We don't want to scale the whole area, just the right
2947 scaled_selection = gdk_pixbuf_scale_simple (selection_pixbuf,
2949 GDK_INTERP_NEAREST);
2952 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2953 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2955 overlap.x - real_page_area.x,
2956 overlap.y - real_page_area.y,
2957 overlap.x, overlap.y,
2958 overlap.width, overlap.height,
2959 GDK_RGB_DITHER_NORMAL,
2961 g_object_unref (scaled_image);
2963 draw_loading_text (view,
2966 *page_ready = FALSE;
2969 if (scaled_selection) {
2970 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2971 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2973 overlap.x - real_page_area.x,
2974 overlap.y - real_page_area.y,
2975 overlap.x, overlap.y,
2976 overlap.width, overlap.height,
2977 GDK_RGB_DITHER_NORMAL,
2979 g_object_unref (scaled_selection);
2984 /*** GObject functions ***/
2987 ev_view_finalize (GObject *object)
2989 EvView *view = EV_VIEW (object);
2991 g_free (view->status);
2992 g_free (view->find_status);
2994 clear_selection (view);
2996 if (view->image_dnd_info.image)
2997 g_object_unref (view->image_dnd_info.image);
2998 view->image_dnd_info.image = NULL;
3000 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
3004 ev_view_destroy (GtkObject *object)
3006 EvView *view = EV_VIEW (object);
3008 if (view->document) {
3009 g_object_unref (view->document);
3010 view->document = NULL;
3013 if (view->pixbuf_cache) {
3014 g_object_unref (view->pixbuf_cache);
3015 view->pixbuf_cache = NULL;
3018 if (view->link_tooltip) {
3019 gtk_widget_destroy (view->link_tooltip);
3020 view->link_tooltip = NULL;
3023 if (view->goto_window) {
3024 gtk_widget_destroy (view->goto_window);
3025 view->goto_window = NULL;
3026 view->goto_entry = NULL;
3029 if (view->selection_scroll_id) {
3030 g_source_remove (view->selection_scroll_id);
3031 view->selection_scroll_id = 0;
3034 if (view->selection_update_id) {
3035 g_source_remove (view->selection_update_id);
3036 view->selection_update_id = 0;
3039 if (view->loading_text) {
3040 cairo_surface_destroy (view->loading_text);
3041 view->loading_text = NULL;
3044 ev_view_presentation_transition_stop (view);
3046 ev_view_set_scroll_adjustments (view, NULL, NULL);
3048 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
3052 ev_view_set_property (GObject *object,
3054 const GValue *value,
3057 EvView *view = EV_VIEW (object);
3060 case PROP_CONTINUOUS:
3061 ev_view_set_continuous (view, g_value_get_boolean (value));
3063 case PROP_DUAL_PAGE:
3064 ev_view_set_dual_page (view, g_value_get_boolean (value));
3066 case PROP_FULLSCREEN:
3067 ev_view_set_fullscreen (view, g_value_get_boolean (value));
3069 case PROP_PRESENTATION:
3070 ev_view_set_presentation (view, g_value_get_boolean (value));
3072 case PROP_SIZING_MODE:
3073 ev_view_set_sizing_mode (view, g_value_get_enum (value));
3076 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
3079 ev_view_set_rotation (view, g_value_get_int (value));
3082 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
3087 ev_view_get_accessible (GtkWidget *widget)
3089 static gboolean first_time = TRUE;
3092 AtkObjectFactory *factory;
3093 AtkRegistry *registry;
3095 GType derived_atk_type;
3098 * Figure out whether accessibility is enabled by looking at the
3099 * type of the accessible object which would be created for
3100 * the parent type of EvView.
3102 derived_type = g_type_parent (EV_TYPE_VIEW);
3104 registry = atk_get_default_registry ();
3105 factory = atk_registry_get_factory (registry,
3107 derived_atk_type = atk_object_factory_get_accessible_type (factory);
3108 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
3109 atk_registry_set_factory_type (registry,
3111 ev_view_accessible_factory_get_type ());
3114 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
3118 ev_view_get_property (GObject *object,
3123 EvView *view = EV_VIEW (object);
3127 g_value_set_string (value, view->status);
3129 case PROP_FIND_STATUS:
3130 g_value_set_string (value, view->status);
3132 case PROP_CONTINUOUS:
3133 g_value_set_boolean (value, view->continuous);
3135 case PROP_DUAL_PAGE:
3136 g_value_set_boolean (value, view->dual_page);
3138 case PROP_FULLSCREEN:
3139 g_value_set_boolean (value, view->fullscreen);
3141 case PROP_PRESENTATION:
3142 g_value_set_boolean (value, view->presentation);
3144 case PROP_SIZING_MODE:
3145 g_value_set_enum (value, view->sizing_mode);
3148 g_value_set_double (value, view->scale);
3151 g_value_set_int (value, view->rotation);
3153 case PROP_HAS_SELECTION:
3154 g_value_set_boolean (value,
3155 view->selection_info.selections != NULL);
3158 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
3163 ev_view_class_init (EvViewClass *class)
3165 GObjectClass *object_class = G_OBJECT_CLASS (class);
3166 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
3167 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
3168 GtkBindingSet *binding_set;
3170 object_class->finalize = ev_view_finalize;
3171 object_class->set_property = ev_view_set_property;
3172 object_class->get_property = ev_view_get_property;
3174 widget_class->expose_event = ev_view_expose_event;
3175 widget_class->button_press_event = ev_view_button_press_event;
3176 widget_class->motion_notify_event = ev_view_motion_notify_event;
3177 widget_class->button_release_event = ev_view_button_release_event;
3178 widget_class->key_press_event = ev_view_key_press_event;
3179 widget_class->focus_in_event = ev_view_focus_in;
3180 widget_class->focus_out_event = ev_view_focus_out;
3181 widget_class->get_accessible = ev_view_get_accessible;
3182 widget_class->size_request = ev_view_size_request;
3183 widget_class->size_allocate = ev_view_size_allocate;
3184 widget_class->realize = ev_view_realize;
3185 widget_class->scroll_event = ev_view_scroll_event;
3186 widget_class->enter_notify_event = ev_view_enter_notify_event;
3187 widget_class->leave_notify_event = ev_view_leave_notify_event;
3188 widget_class->style_set = ev_view_style_set;
3189 widget_class->drag_data_get = ev_view_drag_data_get;
3190 widget_class->drag_motion = ev_view_drag_motion;
3191 widget_class->drag_data_received = ev_view_drag_data_received;
3192 widget_class->popup_menu = ev_view_popup_menu;
3193 gtk_object_class->destroy = ev_view_destroy;
3195 class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
3196 class->binding_activated = ev_view_scroll;
3198 widget_class->set_scroll_adjustments_signal =
3199 g_signal_new ("set-scroll-adjustments",
3200 G_OBJECT_CLASS_TYPE (object_class),
3201 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3202 G_STRUCT_OFFSET (EvViewClass, set_scroll_adjustments),
3204 ev_marshal_VOID__OBJECT_OBJECT,
3206 GTK_TYPE_ADJUSTMENT,
3207 GTK_TYPE_ADJUSTMENT);
3209 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
3210 G_TYPE_FROM_CLASS (object_class),
3211 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3212 G_STRUCT_OFFSET (EvViewClass, binding_activated),
3214 ev_marshal_VOID__ENUM_BOOLEAN,
3216 GTK_TYPE_SCROLL_TYPE,
3219 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
3220 G_TYPE_FROM_CLASS (object_class),
3221 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3222 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
3224 ev_marshal_VOID__VOID,
3225 G_TYPE_NONE, 0, G_TYPE_NONE);
3226 signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link",
3227 G_TYPE_FROM_CLASS (object_class),
3228 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3229 G_STRUCT_OFFSET (EvViewClass, handle_link),
3231 g_cclosure_marshal_VOID__OBJECT,
3234 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
3235 G_TYPE_FROM_CLASS (object_class),
3236 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3237 G_STRUCT_OFFSET (EvViewClass, external_link),
3239 g_cclosure_marshal_VOID__OBJECT,
3242 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
3243 G_TYPE_FROM_CLASS (object_class),
3244 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3245 G_STRUCT_OFFSET (EvViewClass, popup_menu),
3247 g_cclosure_marshal_VOID__OBJECT,
3251 g_object_class_install_property (object_class,
3253 g_param_spec_string ("status",
3255 "The status message",
3259 g_object_class_install_property (object_class,
3261 g_param_spec_string ("find-status",
3262 "Find Status Message",
3263 "The find status message",
3267 g_object_class_install_property (object_class,
3269 g_param_spec_boolean ("continuous",
3271 "Continuous scrolling mode",
3273 G_PARAM_READWRITE));
3275 g_object_class_install_property (object_class,
3277 g_param_spec_boolean ("dual-page",
3279 "Two pages visible at once",
3281 G_PARAM_READWRITE));
3282 g_object_class_install_property (object_class,
3284 g_param_spec_boolean ("fullscreen",
3286 "Draw page in a fullscreen fashion",
3288 G_PARAM_READWRITE));
3289 g_object_class_install_property (object_class,
3291 g_param_spec_boolean ("presentation",
3293 "Draw page in presentation mode",
3295 G_PARAM_READWRITE));
3297 g_object_class_install_property (object_class,
3299 g_param_spec_enum ("sizing-mode",
3302 EV_TYPE_SIZING_MODE,
3303 EV_SIZING_FIT_WIDTH,
3304 G_PARAM_READWRITE));
3306 g_object_class_install_property (object_class,
3308 g_param_spec_double ("zoom",
3314 G_PARAM_READWRITE));
3315 g_object_class_install_property (object_class,
3317 g_param_spec_double ("rotation",
3323 G_PARAM_READWRITE));
3324 g_object_class_install_property (object_class,
3326 g_param_spec_boolean ("has-selection",
3328 "The view has selections",
3332 binding_set = gtk_binding_set_by_class (class);
3334 add_scroll_binding_keypad (binding_set, GDK_Left, 0, EV_SCROLL_STEP_BACKWARD, TRUE);
3335 add_scroll_binding_keypad (binding_set, GDK_Right, 0, EV_SCROLL_STEP_FORWARD, TRUE);
3336 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, TRUE);
3337 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, TRUE);
3338 add_scroll_binding_keypad (binding_set, GDK_Up, 0, EV_SCROLL_STEP_BACKWARD, FALSE);
3339 add_scroll_binding_keypad (binding_set, GDK_Down, 0, EV_SCROLL_STEP_FORWARD, FALSE);
3340 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, FALSE);
3341 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, FALSE);
3345 ev_view_init (EvView *view)
3347 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
3351 view->current_page = 0;
3352 view->pressed_button = -1;
3353 view->cursor = EV_VIEW_CURSOR_NORMAL;
3354 view->drag_info.in_drag = FALSE;
3355 view->selection_info.selections = NULL;
3356 view->selection_info.in_selection = FALSE;
3357 view->selection_info.in_drag = FALSE;
3358 view->selection_mode = EV_VIEW_SELECTION_TEXT;
3359 view->continuous = TRUE;
3360 view->dual_page = FALSE;
3361 view->presentation = FALSE;
3362 view->presentation_state = EV_PRESENTATION_NORMAL;
3363 view->fullscreen = FALSE;
3364 view->sizing_mode = EV_SIZING_FIT_WIDTH;
3365 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
3366 view->jump_to_find_result = TRUE;
3368 gtk_drag_dest_set (GTK_WIDGET (view),
3369 GTK_DEST_DEFAULT_ALL,
3371 G_N_ELEMENTS (view_drop_targets),
3378 find_changed_cb (EvDocument *document, int page, EvView *view)
3383 percent = ev_document_find_get_progress
3384 (EV_DOCUMENT_FIND (view->document));
3385 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3387 if (view->jump_to_find_result == TRUE) {
3388 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
3389 jump_to_find_result (view);
3391 update_find_status_message (view, percent * n_pages >= n_pages - 1 );
3392 if (view->current_page == page)
3393 gtk_widget_queue_draw (GTK_WIDGET (view));
3397 job_finished_cb (EvPixbufCache *pixbuf_cache,
3400 gtk_widget_queue_draw (GTK_WIDGET (view));
3404 page_changed_cb (EvPageCache *page_cache,
3408 if (view->current_page != new_page) {
3409 view->current_page = new_page;
3410 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
3411 if (view->presentation)
3412 ev_view_presentation_transition_start (view);
3413 gtk_widget_queue_resize (GTK_WIDGET (view));
3415 gtk_widget_queue_draw (GTK_WIDGET (view));
3418 if (EV_IS_DOCUMENT_FIND (view->document)) {
3419 view->find_result = 0;
3420 update_find_status_message (view, TRUE);
3424 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
3429 if (! GTK_WIDGET_REALIZED (view))
3432 if (view->hadjustment) {
3433 dx = view->scroll_x - (int) view->hadjustment->value;
3434 view->scroll_x = (int) view->hadjustment->value;
3439 if (view->vadjustment) {
3440 dy = view->scroll_y - (int) view->vadjustment->value;
3441 view->scroll_y = (int) view->vadjustment->value;
3447 if (view->pending_resize)
3448 gtk_widget_queue_draw (GTK_WIDGET (view));
3450 gdk_window_scroll (GTK_WIDGET (view)->window, dx, dy);
3454 view_update_range_and_current_page (view);
3462 view = g_object_new (EV_TYPE_VIEW, NULL);
3468 setup_caches (EvView *view)
3470 view->page_cache = ev_page_cache_get (view->document);
3471 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
3472 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
3473 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
3477 clear_caches (EvView *view)
3479 if (view->pixbuf_cache) {
3480 g_object_unref (view->pixbuf_cache);
3481 view->pixbuf_cache = NULL;
3484 if (view->page_cache) {
3485 view->page_cache = NULL;
3490 ev_view_set_loading (EvView *view,
3493 view->loading = loading;
3494 gtk_widget_queue_draw (GTK_WIDGET (view));
3498 ev_view_set_document (EvView *view,
3499 EvDocument *document)
3501 g_return_if_fail (EV_IS_VIEW (view));
3503 view->loading = FALSE;
3505 if (document != view->document) {
3506 clear_caches (view);
3508 if (view->document) {
3509 g_signal_handlers_disconnect_by_func (view->document,
3512 g_object_unref (view->document);
3513 view->page_cache = NULL;
3517 view->document = document;
3518 view->find_result = 0;
3520 if (view->document) {
3521 g_object_ref (view->document);
3522 if (EV_IS_DOCUMENT_FIND (view->document)) {
3523 g_signal_connect (view->document,
3525 G_CALLBACK (find_changed_cb),
3529 setup_caches (view);
3532 gtk_widget_queue_resize (GTK_WIDGET (view));
3536 /*** Zoom and sizing mode ***/
3538 #define EPSILON 0.0000001
3540 ev_view_set_zoom (EvView *view,
3547 scale = view->scale * factor;
3551 scale = CLAMP (scale, view->min_scale, view->max_scale);
3553 if (ABS (view->scale - scale) < EPSILON)
3556 if (view->loading_text) {
3557 cairo_surface_destroy (view->loading_text);
3558 view->loading_text = NULL;
3561 view->scale = scale;
3562 view->pending_resize = TRUE;
3564 gtk_widget_queue_resize (GTK_WIDGET (view));
3566 g_object_notify (G_OBJECT (view), "zoom");
3570 ev_view_get_zoom (EvView *view)
3576 ev_view_set_screen_dpi (EvView *view,
3579 g_return_if_fail (EV_IS_VIEW (view));
3580 g_return_if_fail (dpi > 0);
3583 view->min_scale = MIN_SCALE * dpi / 72.0;
3584 view->max_scale = MAX_SCALE * dpi / 72.0;
3588 ev_view_get_continuous (EvView *view)
3590 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3592 return view->continuous;
3596 ev_view_set_continuous (EvView *view,
3597 gboolean continuous)
3599 g_return_if_fail (EV_IS_VIEW (view));
3601 continuous = continuous != FALSE;
3603 if (view->continuous != continuous) {
3604 view->continuous = continuous;
3605 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
3606 gtk_widget_queue_resize (GTK_WIDGET (view));
3609 g_object_notify (G_OBJECT (view), "continuous");
3613 ev_view_get_dual_page (EvView *view)
3615 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3617 return view->dual_page;
3621 ev_view_set_dual_page (EvView *view,
3624 g_return_if_fail (EV_IS_VIEW (view));
3626 dual_page = dual_page != FALSE;
3628 if (view->dual_page == dual_page)
3631 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
3632 view->dual_page = dual_page;
3633 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
3634 * preload_cache_size to be 2 if dual_page is set.
3636 gtk_widget_queue_resize (GTK_WIDGET (view));
3638 g_object_notify (G_OBJECT (view), "dual-page");
3642 ev_view_set_fullscreen (EvView *view,
3643 gboolean fullscreen)
3645 g_return_if_fail (EV_IS_VIEW (view));
3647 fullscreen = fullscreen != FALSE;
3649 if (view->fullscreen == fullscreen)
3652 view->fullscreen = fullscreen;
3653 gtk_widget_queue_resize (GTK_WIDGET (view));
3655 g_object_notify (G_OBJECT (view), "fullscreen");
3659 ev_view_get_fullscreen (EvView *view)
3661 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3663 return view->fullscreen;
3667 ev_view_set_presentation (EvView *view,
3668 gboolean presentation)
3670 g_return_if_fail (EV_IS_VIEW (view));
3672 presentation = presentation != FALSE;
3674 if (view->presentation == presentation)
3678 view->presentation_state = EV_PRESENTATION_NORMAL;
3680 view->presentation = presentation;
3681 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
3684 view->sizing_mode_saved = view->sizing_mode;
3685 view->scale_saved = view->scale;
3686 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
3688 ev_view_set_sizing_mode (view, view->sizing_mode_saved);
3689 ev_view_set_zoom (view, view->scale_saved, FALSE);
3692 gtk_widget_queue_resize (GTK_WIDGET (view));
3695 ev_view_presentation_transition_start (view);
3697 ev_view_presentation_transition_stop (view);
3699 if (GTK_WIDGET_REALIZED (view)) {
3700 if (view->presentation)
3701 gdk_window_set_background (GTK_WIDGET(view)->window,
3702 >K_WIDGET (view)->style->black);
3704 gdk_window_set_background (GTK_WIDGET(view)->window,
3705 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
3708 g_object_notify (G_OBJECT (view), "presentation");
3712 ev_view_get_presentation (EvView *view)
3714 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3716 return view->presentation;
3720 transition_next_page (EvView *view)
3722 ev_view_next_page (view);
3728 ev_view_presentation_transition_stop (EvView *view)
3730 if (view->trans_timeout_id > 0)
3731 g_source_remove (view->trans_timeout_id);
3732 view->trans_timeout_id = 0;
3736 ev_view_presentation_transition_start (EvView *view)
3740 if (!EV_IS_DOCUMENT_TRANSITION (view->document))
3743 ev_view_presentation_transition_stop (view);
3745 duration = ev_document_transition_get_page_duration (EV_DOCUMENT_TRANSITION (view->document),
3746 view->current_page);
3748 view->trans_timeout_id = g_timeout_add (duration * 1000,
3749 (GSourceFunc) transition_next_page,
3754 ev_view_set_sizing_mode (EvView *view,
3755 EvSizingMode sizing_mode)
3757 g_return_if_fail (EV_IS_VIEW (view));
3759 if (view->sizing_mode == sizing_mode)
3762 view->sizing_mode = sizing_mode;
3763 gtk_widget_queue_resize (GTK_WIDGET (view));
3765 g_object_notify (G_OBJECT (view), "sizing-mode");
3769 ev_view_get_sizing_mode (EvView *view)
3771 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
3773 return view->sizing_mode;
3777 ev_view_can_zoom_in (EvView *view)
3779 return view->scale * ZOOM_IN_FACTOR <= view->max_scale;
3783 ev_view_can_zoom_out (EvView *view)
3785 return view->scale * ZOOM_OUT_FACTOR >= view->min_scale;
3789 ev_view_zoom_in (EvView *view)
3791 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
3793 if (view->presentation)
3796 view->pending_scroll = SCROLL_TO_CENTER;
3797 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
3801 ev_view_zoom_out (EvView *view)
3803 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
3805 if (view->presentation)
3808 view->pending_scroll = SCROLL_TO_CENTER;
3809 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
3813 ev_view_rotate_right (EvView *view)
3815 int rotation = view->rotation + 90;
3817 if (rotation >= 360) {
3821 ev_view_set_rotation (view, rotation);
3825 ev_view_rotate_left (EvView *view)
3827 int rotation = view->rotation - 90;
3833 ev_view_set_rotation (view, rotation);
3837 ev_view_set_rotation (EvView *view, int rotation)
3839 view->rotation = rotation;
3841 if (view->pixbuf_cache) {
3842 ev_pixbuf_cache_clear (view->pixbuf_cache);
3843 gtk_widget_queue_resize (GTK_WIDGET (view));
3847 clear_selection (view);
3849 g_object_notify (G_OBJECT (view), "rotation");
3853 ev_view_get_rotation (EvView *view)
3855 return view->rotation;
3859 zoom_for_size_fit_width (int doc_width,
3867 scale = (double)target_width / doc_width;
3869 if (doc_height * scale > target_height)
3870 scale = (double) (target_width - vsb_width) / doc_width;
3876 zoom_for_size_fit_height (int doc_width,
3884 scale = (double)target_height / doc_height;
3886 if (doc_width * scale > target_width)
3887 scale = (double) (target_height - vsb_height) / doc_height;
3893 zoom_for_size_best_fit (int doc_width,
3903 w_scale = (double)target_width / doc_width;
3904 h_scale = (double)target_height / doc_height;
3906 if (doc_height * w_scale > target_height)
3907 w_scale = (double) (target_width - vsb_width) / doc_width;
3908 if (doc_width * h_scale > target_width)
3909 h_scale = (double) (target_height - hsb_width) / doc_height;
3911 return MIN (w_scale, h_scale);
3916 ev_view_zoom_for_size_presentation (EvView *view,
3920 int doc_width, doc_height;
3923 ev_page_cache_get_size (view->page_cache,
3929 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
3930 ev_view_set_zoom (view, scale, FALSE);
3934 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
3940 int doc_width, doc_height;
3944 ev_page_cache_get_max_width (view->page_cache,
3948 ev_page_cache_get_max_height (view->page_cache,
3952 compute_border (view, doc_width, doc_height, &border);
3954 doc_width = doc_width * 2;
3955 width -= (2 * (border.left + border.right) + 3 * view->spacing);
3956 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3958 /* FIXME: We really need to calculate the overall height here, not the
3959 * page height. We assume there's always a vertical scrollbar for
3960 * now. We need to fix this. */
3961 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3962 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3963 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3964 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3966 g_assert_not_reached ();
3968 ev_view_set_zoom (view, scale, FALSE);
3972 ev_view_zoom_for_size_continuous (EvView *view,
3978 int doc_width, doc_height;
3982 ev_page_cache_get_max_width (view->page_cache,
3986 ev_page_cache_get_max_height (view->page_cache,
3990 compute_border (view, doc_width, doc_height, &border);
3992 width -= (border.left + border.right + 2 * view->spacing);
3993 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3995 /* FIXME: We really need to calculate the overall height here, not the
3996 * page height. We assume there's always a vertical scrollbar for
3997 * now. We need to fix this. */
3998 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3999 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
4000 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4001 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
4003 g_assert_not_reached ();
4005 ev_view_set_zoom (view, scale, FALSE);
4009 ev_view_zoom_for_size_dual_page (EvView *view,
4016 gint doc_width, doc_height;
4020 other_page = view->current_page ^ 1;
4022 /* Find the largest of the two. */
4023 ev_page_cache_get_size (view->page_cache,
4027 &doc_width, &doc_height);
4029 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
4030 gint width_2, height_2;
4031 ev_page_cache_get_size (view->page_cache,
4035 &width_2, &height_2);
4036 if (width_2 > doc_width)
4037 doc_width = width_2;
4038 if (height_2 > doc_height)
4039 doc_height = height_2;
4041 compute_border (view, doc_width, doc_height, &border);
4043 doc_width = doc_width * 2;
4044 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
4045 height -= (border.top + border.bottom + 2 * view->spacing);
4047 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
4048 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
4049 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4050 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
4052 g_assert_not_reached ();
4054 ev_view_set_zoom (view, scale, FALSE);
4058 ev_view_zoom_for_size_single_page (EvView *view,
4064 int doc_width, doc_height;
4068 ev_page_cache_get_size (view->page_cache,
4074 /* Get an approximate border */
4075 compute_border (view, width, height, &border);
4077 width -= (border.left + border.right + 2 * view->spacing);
4078 height -= (border.top + border.bottom + 2 * view->spacing);
4080 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
4081 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
4082 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4083 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
4085 g_assert_not_reached ();
4087 ev_view_set_zoom (view, scale, FALSE);
4091 ev_view_set_zoom_for_size (EvView *view,
4097 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
4098 view->sizing_mode == EV_SIZING_BEST_FIT);
4099 g_return_if_fail (width >= 0);
4100 g_return_if_fail (height >= 0);
4102 if (view->document == NULL)
4105 if (view->presentation)
4106 ev_view_zoom_for_size_presentation (view, width, height);
4107 else if (view->continuous && view->dual_page)
4108 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
4109 else if (view->continuous)
4110 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
4111 else if (view->dual_page)
4112 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
4114 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
4117 /*** Status text messages ***/
4120 ev_view_get_status (EvView *view)
4122 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
4124 return view->status;
4128 ev_view_set_status (EvView *view, const char *message)
4130 g_return_if_fail (EV_IS_VIEW (view));
4132 if (message != view->status) {
4133 g_free (view->status);
4134 view->status = g_strdup (message);
4135 g_object_notify (G_OBJECT (view), "status");
4140 update_find_status_message (EvView *view, gboolean this_page)
4147 results = ev_document_find_get_n_results
4148 (EV_DOCUMENT_FIND (view->document),
4149 view->current_page);
4150 /* TRANS: Sometimes this could be better translated as
4151 "%d hit(s) on this page". Therefore this string
4152 contains plural cases. */
4153 message = g_strdup_printf (ngettext ("%d found on this page",
4154 "%d found on this page",
4160 percent = ev_document_find_get_progress
4161 (EV_DOCUMENT_FIND (view->document));
4162 message = g_strdup_printf (_("%3d%% remaining to search"),
4163 (int) ((1.0 - percent) * 100));
4166 ev_view_set_find_status (view, message);
4171 ev_view_get_find_status (EvView *view)
4173 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
4175 return view->find_status;
4179 ev_view_set_find_status (EvView *view, const char *message)
4181 g_return_if_fail (EV_IS_VIEW (view));
4183 g_free (view->find_status);
4184 view->find_status = g_strdup (message);
4185 g_object_notify (G_OBJECT (view), "find-status");
4191 jump_to_find_result (EvView *view)
4193 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
4195 GdkRectangle view_rect;
4197 int page = view->current_page;
4199 n_results = ev_document_find_get_n_results (find, page);
4201 if (n_results > 0 && view->find_result < n_results) {
4202 ev_document_find_get_result
4203 (find, page, view->find_result, &rect);
4205 doc_rect_to_view_rect (view, page, &rect, &view_rect);
4206 ensure_rectangle_is_visible (view, &view_rect);
4212 * @view: #EvView instance
4213 * @direction: Direction to look
4214 * @shift: Shift from current page
4216 * Jumps to the first page that has occurences of searched word.
4217 * Uses a direction where to look and a shift from current page.
4221 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
4225 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4227 for (i = 0; i < n_pages; i++) {
4231 if (direction == EV_VIEW_FIND_NEXT)
4232 page = view->current_page + i;
4234 page = view->current_page - i;
4237 if (page >= n_pages) {
4238 page = page - n_pages;
4241 page = page + n_pages;
4243 has_results = ev_document_find_page_has_results
4244 (EV_DOCUMENT_FIND (view->document), page);
4245 if (has_results == -1) {
4247 } else if (has_results == 1) {
4248 ev_page_cache_set_current_page (view->page_cache, page);
4255 ev_view_can_find_next (EvView *view)
4257 if (EV_IS_DOCUMENT_FIND (view->document)) {
4258 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
4261 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4262 for (i = 0; i < n_pages; i++) {
4263 if (ev_document_find_get_n_results (find, i) > 0) {
4273 ev_view_find_next (EvView *view)
4275 int n_results, n_pages;
4276 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
4278 n_results = ev_document_find_get_n_results (find, view->current_page);
4280 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4282 view->find_result++;
4284 if (view->find_result >= n_results) {
4286 view->find_result = 0;
4287 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
4288 jump_to_find_result (view);
4290 jump_to_find_result (view);
4291 gtk_widget_queue_draw (GTK_WIDGET (view));
4296 ev_view_can_find_previous (EvView *view)
4298 if (EV_IS_DOCUMENT_FIND (view->document)) {
4299 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
4302 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4303 for (i = n_pages - 1; i >= 0; i--) {
4304 if (ev_document_find_get_n_results (find, i) > 0) {
4313 ev_view_find_previous (EvView *view)
4315 int n_results, n_pages;
4316 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
4317 EvPageCache *page_cache;
4319 page_cache = ev_page_cache_get (view->document);
4321 n_results = ev_document_find_get_n_results (find, view->current_page);
4323 n_pages = ev_page_cache_get_n_pages (page_cache);
4325 view->find_result--;
4327 if (view->find_result < 0) {
4329 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
4330 view->find_result = ev_document_find_get_n_results (find, view->current_page) - 1;
4331 jump_to_find_result (view);
4333 jump_to_find_result (view);
4334 gtk_widget_queue_draw (GTK_WIDGET (view));
4338 void ev_view_search_changed (EvView *view)
4340 /* search string has changed, focus on new search result */
4341 view->jump_to_find_result = TRUE;
4344 /*** Selections ***/
4346 /* compute_new_selection_rect/text calculates the area currently selected by
4347 * view_rect. each handles a different mode;
4350 compute_new_selection_rect (EvView *view,
4354 GdkRectangle view_rect;
4358 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
4360 view_rect.x = MIN (start->x, stop->x);
4361 view_rect.y = MIN (start->y, stop->y);
4362 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
4363 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
4365 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4367 for (i = 0; i < n_pages; i++) {
4368 GdkRectangle page_area;
4371 if (get_page_extents (view, i, &page_area, &border)) {
4372 GdkRectangle overlap;
4374 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
4375 EvViewSelection *selection;
4377 selection = g_new0 (EvViewSelection, 1);
4378 selection->page = i;
4379 view_rect_to_doc_rect (view, &overlap, &page_area,
4380 &(selection->rect));
4382 list = g_list_append (list, selection);
4391 gdk_rectangle_point_in (GdkRectangle *rectangle,
4394 return rectangle->x <= point->x &&
4395 rectangle->y <= point->y &&
4396 point->x < rectangle->x + rectangle->width &&
4397 point->y < rectangle->y + rectangle->height;
4401 compute_new_selection_text (EvView *view,
4405 int n_pages, i, first, last;
4407 EvViewSelection *selection;
4409 int start_page, end_page;
4411 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
4413 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4415 /* First figure out the range of pages the selection
4419 if (view->continuous) {
4422 } else if (view->dual_page) {
4423 start_page = view->start_page;
4424 end_page = view->end_page + 1;
4426 start_page = view->current_page;
4427 end_page = view->current_page + 1;
4430 for (i = start_page; i < end_page; i++) {
4431 GdkRectangle page_area;
4434 get_page_extents (view, i, &page_area, &border);
4435 if (gdk_rectangle_point_in (&page_area, start) ||
4436 gdk_rectangle_point_in (&page_area, stop)) {
4437 if (first == n_pages)
4446 /* Now create a list of EvViewSelection's for the affected
4447 * pages. This could be an empty list, a list of just one
4448 * page or a number of pages.*/
4449 for (i = first; i < last + 1; i++) {
4450 GdkRectangle page_area;
4454 ev_page_cache_get_size (view->page_cache, i,
4456 1.0, &width, &height);
4458 selection = g_new0 (EvViewSelection, 1);
4459 selection->page = i;
4460 selection->rect.x1 = selection->rect.y1 = 0;
4461 selection->rect.x2 = width;
4462 selection->rect.y2 = height;
4464 get_page_extents (view, i, &page_area, &border);
4466 if (gdk_rectangle_point_in (&page_area, start))
4472 view_point_to_doc_point (view, point, &page_area,
4473 &selection->rect.x1,
4474 &selection->rect.y1);
4476 /* If the selection is contained within just one page,
4477 * make sure we don't write 'start' into both points
4478 * in selection->rect. */
4483 view_point_to_doc_point (view, point, &page_area,
4484 &selection->rect.x2,
4485 &selection->rect.y2);
4487 list = g_list_append (list, selection);
4493 /* This function takes the newly calculated list, and figures out which regions
4494 * have changed. It then queues a redraw approporiately.
4497 merge_selection_region (EvView *view,
4501 GList *new_list_ptr, *old_list_ptr;
4503 /* Update the selection */
4504 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
4505 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
4506 view->selection_info.selections = new_list;
4507 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
4508 g_object_notify (G_OBJECT (view), "has-selection");
4510 new_list_ptr = new_list;
4511 old_list_ptr = old_list;
4513 while (new_list_ptr || old_list_ptr) {
4514 EvViewSelection *old_sel, *new_sel;
4516 GdkRegion *region = NULL;
4518 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
4519 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
4521 /* Assume that the lists are in order, and we run through them
4522 * comparing them, one page at a time. We come out with the
4523 * first page we see. */
4524 if (new_sel && old_sel) {
4525 if (new_sel->page < old_sel->page) {
4526 new_list_ptr = new_list_ptr->next;
4528 } else if (new_sel->page > old_sel->page) {
4529 old_list_ptr = old_list_ptr->next;
4532 new_list_ptr = new_list_ptr->next;
4533 old_list_ptr = old_list_ptr->next;
4535 } else if (new_sel) {
4536 new_list_ptr = new_list_ptr->next;
4537 } else if (old_sel) {
4538 old_list_ptr = old_list_ptr->next;
4541 g_assert (new_sel || old_sel);
4543 /* is the page we're looking at on the screen?*/
4544 cur_page = new_sel ? new_sel->page : old_sel->page;
4545 if (cur_page < view->start_page || cur_page > view->end_page)
4548 /* seed the cache with a new page. We are going to need the new
4551 GdkRegion *tmp_region = NULL;
4552 ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
4557 new_sel->covered_region = gdk_region_copy (tmp_region);
4561 /* Now we figure out what needs redrawing */
4562 if (old_sel && new_sel) {
4563 if (old_sel->covered_region &&
4564 new_sel->covered_region) {
4565 /* We only want to redraw the areas that have
4566 * changed, so we xor the old and new regions
4567 * and redraw if it's different */
4568 region = gdk_region_copy (old_sel->covered_region);
4569 gdk_region_xor (region, new_sel->covered_region);
4570 if (gdk_region_empty (region)) {
4571 gdk_region_destroy (region);
4574 } else if (old_sel->covered_region) {
4575 region = gdk_region_copy (old_sel->covered_region);
4576 } else if (new_sel->covered_region) {
4577 region = gdk_region_copy (new_sel->covered_region);
4579 } else if (old_sel && !new_sel) {
4580 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
4581 region = gdk_region_copy (old_sel->covered_region);
4583 } else if (!old_sel && new_sel) {
4584 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
4585 region = gdk_region_copy (new_sel->covered_region);
4588 g_assert_not_reached ();
4591 /* Redraw the damaged region! */
4593 GdkRectangle page_area;
4596 get_page_extents (view, cur_page, &page_area, &border);
4597 gdk_region_offset (region,
4598 page_area.x + border.left - view->scroll_x,
4599 page_area.y + border.top - view->scroll_y);
4600 gdk_window_invalidate_region (GTK_WIDGET (view)->window, region, TRUE);
4601 gdk_region_destroy (region);
4605 /* Free the old list, now that we're done with it. */
4606 g_list_foreach (old_list, (GFunc) selection_free, NULL);
4610 compute_selections (EvView *view,
4616 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
4617 list = compute_new_selection_rect (view, start, stop);
4619 list = compute_new_selection_text (view, start, stop);
4620 merge_selection_region (view, list);
4623 /* Free's the selection. It's up to the caller to queue redraws if needed.
4626 selection_free (EvViewSelection *selection)
4628 if (selection->covered_region)
4629 gdk_region_destroy (selection->covered_region);
4634 clear_selection (EvView *view)
4636 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
4637 view->selection_info.selections = NULL;
4638 view->selection_info.in_selection = FALSE;
4639 if (view->pixbuf_cache)
4640 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
4641 g_object_notify (G_OBJECT (view), "has-selection");
4646 ev_view_select_all (EvView *view)
4650 /* Disable selection on rotated pages for the 0.4.0 series */
4651 if (view->rotation != 0)
4654 clear_selection (view);
4656 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4657 for (i = 0; i < n_pages; i++) {
4659 EvViewSelection *selection;
4661 ev_page_cache_get_size (view->page_cache,
4664 1.0, &width, &height);
4666 selection = g_new0 (EvViewSelection, 1);
4667 selection->page = i;
4668 selection->rect.x1 = selection->rect.y1 = 0;
4669 selection->rect.x2 = width;
4670 selection->rect.y2 = height;
4672 view->selection_info.selections = g_list_append (view->selection_info.selections, selection);
4675 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, view->selection_info.selections);
4676 g_object_notify (G_OBJECT (view), "has-selection");
4677 gtk_widget_queue_draw (GTK_WIDGET (view));
4681 ev_view_get_has_selection (EvView *view)
4683 return view->selection_info.selections != NULL;
4687 get_selected_text (EvView *ev_view)
4691 gchar *normalized_text;
4693 text = g_string_new (NULL);
4695 ev_document_doc_mutex_lock ();
4697 for (l = ev_view->selection_info.selections; l != NULL; l = l->next) {
4698 EvViewSelection *selection = (EvViewSelection *)l->data;
4701 tmp = ev_document_get_text (ev_view->document,
4704 g_string_append (text, tmp);
4708 ev_document_doc_mutex_unlock ();
4710 normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC);
4711 g_string_free (text, TRUE);
4712 return normalized_text;
4716 ev_view_copy (EvView *ev_view)
4718 GtkClipboard *clipboard;
4721 if (!ev_document_can_get_text (ev_view->document)) {
4725 text = get_selected_text (ev_view);
4726 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
4727 GDK_SELECTION_CLIPBOARD);
4728 gtk_clipboard_set_text (clipboard, text, -1);
4733 ev_view_primary_get_cb (GtkClipboard *clipboard,
4734 GtkSelectionData *selection_data,
4738 EvView *ev_view = EV_VIEW (data);
4741 if (!ev_document_can_get_text (ev_view->document)) {
4745 text = get_selected_text (ev_view);
4747 gtk_selection_data_set_text (selection_data, text, -1);
4753 ev_view_primary_clear_cb (GtkClipboard *clipboard,
4756 EvView *view = EV_VIEW (data);
4758 clear_selection (view);
4762 ev_view_update_primary_selection (EvView *ev_view)
4764 GtkClipboard *clipboard;
4766 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
4767 GDK_SELECTION_PRIMARY);
4769 if (ev_view->selection_info.selections) {
4770 if (!gtk_clipboard_set_with_owner (clipboard,
4772 G_N_ELEMENTS (clipboard_targets),
4773 ev_view_primary_get_cb,
4774 ev_view_primary_clear_cb,
4775 G_OBJECT (ev_view)))
4776 ev_view_primary_clear_cb (clipboard, ev_view);
4778 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
4779 gtk_clipboard_clear (clipboard);
4783 /*** Cursor operations ***/
4786 ev_view_create_invisible_cursor(void)
4789 GdkColor black = { 0, 0, 0, 0 };
4790 static char bits[] = { 0x00 };
4792 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
4794 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
4798 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
4800 GdkCursor *cursor = NULL;
4801 GdkDisplay *display;
4804 if (view->cursor == new_cursor) {
4808 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
4809 display = gtk_widget_get_display (widget);
4810 view->cursor = new_cursor;
4812 switch (new_cursor) {
4813 case EV_VIEW_CURSOR_NORMAL:
4814 gdk_window_set_cursor (widget->window, NULL);
4816 case EV_VIEW_CURSOR_IBEAM:
4817 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
4819 case EV_VIEW_CURSOR_LINK:
4820 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
4822 case EV_VIEW_CURSOR_WAIT:
4823 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
4825 case EV_VIEW_CURSOR_HIDDEN:
4826 cursor = ev_view_create_invisible_cursor ();
4828 case EV_VIEW_CURSOR_DRAG:
4829 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
4834 gdk_window_set_cursor (widget->window, cursor);
4835 gdk_cursor_unref (cursor);
4841 ev_view_hide_cursor (EvView *view)
4843 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
4847 ev_view_show_cursor (EvView *view)
4849 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
4853 ev_view_reset_presentation_state (EvView *view)
4855 if (!view->presentation ||
4856 view->presentation_state == EV_PRESENTATION_NORMAL)
4859 view->presentation_state = EV_PRESENTATION_NORMAL;
4860 gdk_window_set_background (GTK_WIDGET (view)->window,
4861 >K_WIDGET (view)->style->black);
4862 gtk_widget_queue_draw (GTK_WIDGET (view));
4866 ev_view_next_page (EvView *view)
4870 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4872 if (!view->page_cache)
4875 ev_view_presentation_transition_stop (view);
4876 ev_view_reset_presentation_state (view);
4878 page = ev_page_cache_get_current_page (view->page_cache);
4879 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4881 if (view->dual_page && !view->presentation)
4886 if (page < n_pages) {
4887 ev_page_cache_set_current_page (view->page_cache, page);
4889 } else if (view->presentation && page == n_pages) {
4890 view->presentation_state = EV_PRESENTATION_END;
4891 gtk_widget_queue_draw (GTK_WIDGET (view));
4893 } else if (view->dual_page && page == n_pages) {
4894 ev_page_cache_set_current_page (view->page_cache, page - 1);
4902 ev_view_previous_page (EvView *view)
4906 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4908 if (!view->page_cache)
4911 if (view->presentation &&
4912 view->presentation_state == EV_PRESENTATION_END) {
4913 ev_view_reset_presentation_state (view);
4917 ev_view_reset_presentation_state (view);
4919 page = ev_page_cache_get_current_page (view->page_cache);
4921 if (view->dual_page && !view->presentation)
4927 ev_page_cache_set_current_page (view->page_cache, page);
4929 } else if (ev_view_get_dual_page (view) && page == -1) {
4930 ev_page_cache_set_current_page (view->page_cache, 0);
4937 /*** Enum description for usage in signal ***/
4940 ev_sizing_mode_get_type (void)
4942 static GType etype = 0;
4944 static const GEnumValue values[] = {
4945 { EV_SIZING_FIT_WIDTH, "EV_SIZING_FIT_WIDTH", "fit-width" },
4946 { EV_SIZING_BEST_FIT, "EV_SIZING_BEST_FIT", "best-fit" },
4947 { EV_SIZING_FREE, "EV_SIZING_FREE", "free" },
4950 etype = g_enum_register_static ("EvSizingMode", values);
4956 ev_scroll_type_get_type (void)
4958 static GType etype = 0;
4960 static const GEnumValue values[] = {
4961 { EV_SCROLL_PAGE_FORWARD, "EV_SCROLL_PAGE_FORWARD", "scroll-page-forward" },
4962 { EV_SCROLL_PAGE_BACKWARD, "EV_SCROLL_PAGE_BACKWARD", "scroll-page-backward" },
4963 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
4964 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
4965 { EV_SCROLL_STEP_UP, "EV_SCROLL_STEP_UP", "scroll-step-up" },
4966 { EV_SCROLL_STEP_DOWN, "EV_SCROLL_STEP_DOWN", "scroll-step-down" },
4969 etype = g_enum_register_static ("EvScrollType", values);