1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
2 /* this file is part of evince, a gnome document viewer
4 * Copyright (C) 2004 Red Hat, Inc
6 * Evince is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Evince is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
23 #include <gtk/gtkalignment.h>
24 #include <glib/gi18n.h>
25 #include <gtk/gtkbindings.h>
26 #include <gtk/gtkselection.h>
27 #include <gtk/gtkclipboard.h>
28 #include <gdk/gdkkeysyms.h>
29 #include <libgnomevfs/gnome-vfs-utils.h>
31 #include "ev-marshal.h"
33 #include "ev-view-private.h"
35 #include "ev-selection.h"
36 #include "ev-document-find.h"
37 #include "ev-document-misc.h"
39 #include "ev-job-queue.h"
40 #include "ev-page-cache.h"
41 #include "ev-pixbuf-cache.h"
42 #include "ev-tooltip.h"
44 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
45 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
46 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
64 SIGNAL_BINDING_ACTIVATED,
76 TARGET_TEXT_BUFFER_CONTENTS
79 static const GtkTargetEntry targets[] = {
80 { "STRING", 0, TARGET_STRING },
81 { "TEXT", 0, TARGET_TEXT },
82 { "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT },
83 { "UTF8_STRING", 0, TARGET_UTF8_STRING },
86 static guint signals[N_SIGNALS];
91 } EvViewFindDirection;
93 #define ZOOM_IN_FACTOR 1.2
94 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
96 #define MIN_SCALE 0.05409
99 #define SCROLL_TIME 150
102 static void scroll_to_current_page (EvView *view,
103 GtkOrientation orientation);
104 static void ev_view_set_scroll_adjustments (EvView *view,
105 GtkAdjustment *hadjustment,
106 GtkAdjustment *vadjustment);
107 static void view_update_range_and_current_page (EvView *view);
108 static void set_scroll_adjustment (EvView *view,
109 GtkOrientation orientation,
110 GtkAdjustment *adjustment);
111 static void ev_view_set_scroll_adjustments (EvView *view,
112 GtkAdjustment *hadjustment,
113 GtkAdjustment *vadjustment);
114 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
116 GtkScrollType scroll,
117 gboolean horizontal);
118 static void ev_view_binding_activated (EvView *view,
119 GtkScrollType scroll,
120 gboolean horizontal);
121 static void ensure_rectangle_is_visible (EvView *view,
124 /*** Geometry computations ***/
125 static void compute_border (EvView *view,
129 static void get_page_y_offset (EvView *view,
133 static gboolean get_page_extents (EvView *view,
135 GdkRectangle *page_area,
137 static void view_rect_to_doc_rect (EvView *view,
138 GdkRectangle *view_rect,
139 GdkRectangle *page_area,
140 EvRectangle *doc_rect);
141 static void doc_rect_to_view_rect (EvView *view,
143 EvRectangle *doc_rect,
144 GdkRectangle *view_rect);
145 static void find_page_at_location (EvView *view,
151 static gboolean doc_point_to_view_point (EvView *view,
154 GdkPoint *view_point);
156 static EvLink * ev_view_get_link_at_location (EvView *view,
159 static char* tip_from_link (EvView *view,
161 static void handle_link_over_xy (EvView *view,
164 /*** GtkWidget implementation ***/
165 static void ev_view_size_request_continuous_dual_page (EvView *view,
166 GtkRequisition *requisition);
167 static void ev_view_size_request_continuous (EvView *view,
168 GtkRequisition *requisition);
169 static void ev_view_size_request_dual_page (EvView *view,
170 GtkRequisition *requisition);
171 static void ev_view_size_request_single_page (EvView *view,
172 GtkRequisition *requisition);
173 static void ev_view_size_request (GtkWidget *widget,
174 GtkRequisition *requisition);
175 static void ev_view_size_allocate (GtkWidget *widget,
176 GtkAllocation *allocation);
177 static void ev_view_realize (GtkWidget *widget);
178 static gboolean ev_view_scroll_event (GtkWidget *widget,
179 GdkEventScroll *event);
180 static gboolean ev_view_expose_event (GtkWidget *widget,
181 GdkEventExpose *event);
182 static gboolean ev_view_popup_menu (GtkWidget *widget);
183 static gboolean ev_view_button_press_event (GtkWidget *widget,
184 GdkEventButton *event);
185 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
186 GdkEventMotion *event);
187 static gboolean ev_view_button_release_event (GtkWidget *widget,
188 GdkEventButton *event);
189 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
190 GdkEventCrossing *event);
191 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
192 GdkEventCrossing *event);
193 static void ev_view_style_set (GtkWidget *widget,
194 GtkStyle *old_style);
196 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
199 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
200 static void draw_rubberband (GtkWidget *widget,
202 const GdkRectangle *rect,
204 static void highlight_find_results (EvView *view,
206 static void draw_one_page (EvView *view,
208 GdkRectangle *page_area,
210 GdkRectangle *expose_area);
213 static void find_changed_cb (EvDocument *document,
216 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
218 static void page_changed_cb (EvPageCache *page_cache,
221 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
225 static void ev_view_finalize (GObject *object);
226 static void ev_view_destroy (GtkObject *object);
227 static void ev_view_set_property (GObject *object,
231 static void ev_view_get_property (GObject *object,
235 static void ev_view_class_init (EvViewClass *class);
236 static void ev_view_init (EvView *view);
238 /*** Zoom and sizing ***/
239 static double zoom_for_size_fit_width (int doc_width,
244 static double zoom_for_size_fit_height (int doc_width,
249 static double zoom_for_size_best_fit (int doc_width,
255 static void ev_view_zoom_for_size_presentation (EvView *view,
258 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
263 static void ev_view_zoom_for_size_continuous (EvView *view,
268 static void ev_view_zoom_for_size_dual_page (EvView *view,
273 static void ev_view_zoom_for_size_single_page (EvView *view,
279 static GdkCursor* ev_view_create_invisible_cursor (void);
280 static void ev_view_set_cursor (EvView *view,
281 EvViewCursor new_cursor);
283 /*** Status messages ***/
284 static void ev_view_set_status (EvView *view,
285 const char *message);
286 static void update_find_status_message (EvView *view);
287 static void ev_view_set_find_status (EvView *view,
288 const char *message);
290 static void jump_to_find_result (EvView *view);
291 static void jump_to_find_page (EvView *view,
292 EvViewFindDirection direction);
295 static void compute_selections (EvView *view,
298 static void clear_selection (EvView *view);
299 static void selection_free (EvViewSelection *selection);
300 static char* get_selected_text (EvView *ev_view);
301 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
302 GtkSelectionData *selection_data,
305 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
307 static void ev_view_update_primary_selection (EvView *ev_view);
310 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_WIDGET)
313 scroll_to_current_page (EvView *view, GtkOrientation orientation)
317 if (view->document == NULL) {
321 doc_point_to_view_point (view, view->current_page, &view->pending_point, &view_point);
323 if (orientation == GTK_ORIENTATION_VERTICAL) {
324 view->pending_point.y = 0;
326 view->pending_point.x = 0;
329 if (orientation == GTK_ORIENTATION_VERTICAL) {
330 if (view->continuous) {
331 gtk_adjustment_clamp_page (view->vadjustment,
332 view_point.y - view->spacing / 2,
333 view_point.y + view->vadjustment->page_size);
335 gtk_adjustment_set_value (view->vadjustment,
337 view->vadjustment->lower,
338 view->vadjustment->upper -
339 view->vadjustment->page_size));
342 if (view->dual_page) {
343 gtk_adjustment_clamp_page (view->hadjustment,
345 view_point.x + view->hadjustment->page_size);
347 gtk_adjustment_set_value (view->hadjustment,
349 view->hadjustment->lower,
350 view->hadjustment->upper -
351 view->hadjustment->page_size));
357 view_set_adjustment_values (EvView *view,
358 GtkOrientation orientation)
360 GtkWidget *widget = GTK_WIDGET (view);
361 GtkAdjustment *adjustment;
368 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
369 requisition = widget->requisition.width;
370 allocation = widget->allocation.width;
371 adjustment = view->hadjustment;
373 requisition = widget->requisition.height;
374 allocation = widget->allocation.height;
375 adjustment = view->vadjustment;
382 switch (view->pending_scroll) {
383 case SCROLL_TO_KEEP_POSITION:
384 factor = (adjustment->value) / adjustment->upper;
386 case SCROLL_TO_PAGE_POSITION:
388 case SCROLL_TO_CENTER:
389 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
393 adjustment->page_size = allocation;
394 adjustment->step_increment = allocation * 0.1;
395 adjustment->page_increment = allocation * 0.9;
396 adjustment->lower = 0;
397 adjustment->upper = MAX (allocation, requisition);
400 * We add 0.5 to the values before to average out our rounding errors.
402 switch (view->pending_scroll) {
403 case SCROLL_TO_KEEP_POSITION:
404 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
405 gtk_adjustment_set_value (adjustment, (int)new_value);
407 case SCROLL_TO_PAGE_POSITION:
408 scroll_to_current_page (view, orientation);
410 case SCROLL_TO_CENTER:
411 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
412 0, adjustment->upper - adjustment->page_size);
413 gtk_adjustment_set_value (adjustment, (int)new_value);
417 gtk_adjustment_changed (adjustment);
421 view_update_range_and_current_page (EvView *view)
423 if (view->pending_scroll != SCROLL_TO_KEEP_POSITION)
426 /* Presentation trumps all other modes */
427 if (view->presentation) {
428 view->start_page = view->current_page;
429 view->end_page = view->current_page;
430 } else if (view->continuous) {
431 GdkRectangle current_area, unused, page_area;
434 gboolean found = FALSE;
437 if (!(view->vadjustment && view->hadjustment))
440 current_area.x = view->hadjustment->value;
441 current_area.width = view->hadjustment->upper;
442 current_area.y = view->vadjustment->value;
443 current_area.height = view->vadjustment->page_size;
445 for (i = 0; i < ev_page_cache_get_n_pages (view->page_cache); i++) {
447 get_page_extents (view, i, &page_area, &border);
449 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
451 view->start_page = i;
461 current_page = ev_page_cache_get_current_page (view->page_cache);
463 if (current_page < view->start_page || current_page > view->end_page) {
464 view->current_page = view->start_page;
465 ev_page_cache_set_current_page (view->page_cache, view->start_page);
468 if (view->dual_page) {
469 if (view->current_page % 2 == 0) {
470 view->start_page = view->current_page;
471 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache))
472 view->end_page = view->start_page + 1;
474 view->end_page = view->start_page;
476 view->start_page = view->current_page - 1;
477 view->end_page = view->current_page;
480 view->start_page = view->current_page;
481 view->end_page = view->current_page;
485 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
490 view->selection_info.selections);
494 set_scroll_adjustment (EvView *view,
495 GtkOrientation orientation,
496 GtkAdjustment *adjustment)
498 GtkAdjustment **to_set;
500 if (orientation == GTK_ORIENTATION_HORIZONTAL)
501 to_set = &view->hadjustment;
503 to_set = &view->vadjustment;
505 if (*to_set != adjustment) {
507 g_signal_handlers_disconnect_by_func (*to_set,
508 (gpointer) on_adjustment_value_changed,
510 g_object_unref (*to_set);
513 *to_set = adjustment;
514 view_set_adjustment_values (view, orientation);
517 g_object_ref (*to_set);
518 g_signal_connect (*to_set, "value_changed",
519 G_CALLBACK (on_adjustment_value_changed), view);
525 ev_view_set_scroll_adjustments (EvView *view,
526 GtkAdjustment *hadjustment,
527 GtkAdjustment *vadjustment)
529 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
530 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
532 on_adjustment_value_changed (NULL, view);
536 add_scroll_binding_keypad (GtkBindingSet *binding_set,
538 GtkScrollType scroll,
541 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
543 gtk_binding_entry_add_signal (binding_set, keyval, 0,
544 "binding_activated", 2,
545 GTK_TYPE_SCROLL_TYPE, scroll,
546 G_TYPE_BOOLEAN, horizontal);
547 gtk_binding_entry_add_signal (binding_set, keypad_keyval, 0,
548 "binding_activated", 2,
549 GTK_TYPE_SCROLL_TYPE, scroll,
550 G_TYPE_BOOLEAN, horizontal);
554 ev_view_scroll (EvView *view,
557 GtkAdjustment *adjustment;
558 double value, increment;
559 gboolean first_page = FALSE;
560 gboolean last_page = FALSE;
562 /* Assign values for increment and vertical adjustment */
563 adjustment = view->vadjustment;
564 increment = adjustment->page_size * 0.75;
565 value = adjustment->value;
567 /* Assign boolean for first and last page */
568 if (view->current_page == 0)
570 if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1)
574 case EV_SCROLL_PAGE_BACKWARD:
575 /* Do not jump backwards if at the first page */
576 if (value == (adjustment->lower) && first_page) {
578 /* At the top of a page, assign the upper bound limit of previous page */
579 } else if (value == (adjustment->lower)) {
580 value = adjustment->upper - adjustment->page_size;
581 ev_page_cache_set_current_page (view->page_cache, view->current_page - 1);
582 /* Jump to the top */
584 value = MAX (value - increment, adjustment->lower);
587 case EV_SCROLL_PAGE_FORWARD:
588 /* Do not jump forward if at the last page */
589 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
591 /* At the bottom of a page, assign the lower bound limit of next page */
592 } else if (value == (adjustment->upper - adjustment->page_size)) {
594 ev_page_cache_set_current_page (view->page_cache, view->current_page + 1);
595 /* Jump to the bottom */
597 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
604 gtk_adjustment_set_value (adjustment, value);
608 ev_view_binding_activated (EvView *view,
609 GtkScrollType scroll,
612 GtkAdjustment *adjustment;
615 if (view->presentation) {
617 case GTK_SCROLL_STEP_BACKWARD:
618 ev_view_previous_page (view);
620 case GTK_SCROLL_STEP_FORWARD:
621 ev_view_next_page (view);
630 adjustment = view->hadjustment;
632 adjustment = view->vadjustment;
635 value = adjustment->value;
638 case GTK_SCROLL_STEP_BACKWARD:
639 value -= adjustment->step_increment;
641 case GTK_SCROLL_STEP_FORWARD:
642 value += adjustment->step_increment;
648 value = CLAMP (value, adjustment->lower,
649 adjustment->upper - adjustment->page_size);
651 gtk_adjustment_set_value (adjustment, value);
657 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
659 GtkWidget *widget = GTK_WIDGET (view);
660 GtkAdjustment *adjustment;
663 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
665 adjustment = view->vadjustment;
667 if (rect->y < adjustment->value) {
668 value = MAX (adjustment->lower, rect->y - MARGIN);
669 gtk_adjustment_set_value (view->vadjustment, value);
670 } else if (rect->y + rect->height >
671 adjustment->value + widget->allocation.height) {
672 value = MIN (adjustment->upper, rect->y + rect->height -
673 widget->allocation.height + MARGIN);
674 gtk_adjustment_set_value (view->vadjustment, value);
677 adjustment = view->hadjustment;
679 if (rect->x < adjustment->value) {
680 value = MAX (adjustment->lower, rect->x - MARGIN);
681 gtk_adjustment_set_value (view->hadjustment, value);
682 } else if (rect->x + rect->height >
683 adjustment->value + widget->allocation.width) {
684 value = MIN (adjustment->upper, rect->x + rect->width -
685 widget->allocation.width + MARGIN);
686 gtk_adjustment_set_value (view->hadjustment, value);
690 /*** Geometry computations ***/
693 compute_border (EvView *view, int width, int height, GtkBorder *border)
695 if (view->presentation) {
701 ev_document_misc_get_page_border_size (width, height, border);
706 get_page_y_offset (EvView *view, int page, double zoom, int *y_offset)
708 int max_width, offset;
711 g_return_if_fail (y_offset != NULL);
713 ev_page_cache_get_max_width (view->page_cache, view->rotation, zoom, &max_width);
715 compute_border (view, max_width, max_width, &border);
717 if (view->dual_page) {
718 ev_page_cache_get_height_to_page (view->page_cache, page,
719 view->rotation, zoom, NULL, &offset);
720 offset += (page / 2 + 1) * view->spacing + (page / 2) * (border.top + border.bottom);
722 ev_page_cache_get_height_to_page (view->page_cache, page,
723 view->rotation, zoom, &offset, NULL);
724 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
732 get_page_extents (EvView *view,
734 GdkRectangle *page_area,
740 widget = GTK_WIDGET (view);
742 /* Get the size of the page */
743 ev_page_cache_get_size (view->page_cache, page,
747 compute_border (view, width, height, border);
748 page_area->width = width + border->left + border->right;
749 page_area->height = height + border->top + border->bottom;
751 if (view->presentation) {
752 page_area->x = (MAX (0, widget->allocation.width - width))/2;
753 page_area->y = (MAX (0, widget->allocation.height - height))/2;
754 } else if (view->continuous) {
758 ev_page_cache_get_max_width (view->page_cache, view->rotation,
759 view->scale, &max_width);
760 max_width = max_width + border->left + border->right;
761 /* Get the location of the bounding box */
762 if (view->dual_page) {
763 x = view->spacing + (page % 2) * (max_width + view->spacing);
764 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
766 x = x + (max_width - width - border->left - border->right);
769 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
772 get_page_y_offset (view, page, view->scale, &y);
778 if (view->dual_page) {
779 gint width_2, height_2;
780 gint max_width = width;
781 gint max_height = height;
782 GtkBorder overall_border;
785 other_page = page ^ 1;
787 /* First, we get the bounding box of the two pages */
788 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
789 ev_page_cache_get_size (view->page_cache,
793 &width_2, &height_2);
796 if (height_2 > height)
797 max_height = height_2;
799 compute_border (view, max_width, max_height, &overall_border);
801 /* Find the offsets */
805 /* Adjust for being the left or right page */
807 x = x + max_width - width;
809 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
811 y = y + (max_height - height)/2;
813 /* Adjust for extra allocation */
814 x = x + MAX (0, widget->allocation.width -
815 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
816 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
821 /* Adjust for extra allocation */
822 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
823 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
834 view_point_to_doc_point (EvView *view,
835 GdkPoint *view_point,
836 GdkRectangle *page_area,
840 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
841 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
845 view_rect_to_doc_rect (EvView *view,
846 GdkRectangle *view_rect,
847 GdkRectangle *page_area,
848 EvRectangle *doc_rect)
850 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
851 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
852 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
853 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
857 doc_point_to_view_point (EvView *view,
860 GdkPoint *view_point)
862 GdkRectangle page_area;
864 double x, y, view_x, view_y;
867 ev_page_cache_get_size (view->page_cache, page,
872 if (view->rotation == 0) {
875 } else if (view->rotation == 90) {
876 x = width - doc_point->y;
878 } else if (view->rotation == 180) {
879 x = width - doc_point->x;
880 y = height - doc_point->y;
881 } else if (view->rotation == 270) {
883 y = height - doc_point->x;
885 g_assert_not_reached ();
888 get_page_extents (view, page, &page_area, &border);
890 view_x = x * view->scale;
891 view_y = y * view->scale;
892 view_point->x = view_x + page_area.x;
893 view_point->y = view_y + page_area.y;
895 return (view_x > 0 && view_x <= page_area.width &&
896 view_y > 0 && view_y <= page_area.height);
900 doc_rect_to_view_rect (EvView *view,
902 EvRectangle *doc_rect,
903 GdkRectangle *view_rect)
905 GdkRectangle page_area;
910 ev_page_cache_get_size (view->page_cache, page,
915 if (view->rotation == 0) {
918 w = doc_rect->x2 - doc_rect->x1;
919 h = doc_rect->y2 - doc_rect->y1;
920 } else if (view->rotation == 90) {
921 x = width - doc_rect->y2;
923 w = doc_rect->y2 - doc_rect->y1;
924 h = doc_rect->x2 - doc_rect->x1;
925 } else if (view->rotation == 180) {
926 x = width - doc_rect->x2;
927 y = height - doc_rect->y2;
928 w = doc_rect->x2 - doc_rect->x1;
929 h = doc_rect->y2 - doc_rect->y1;
930 } else if (view->rotation == 270) {
932 y = height - doc_rect->x2;
933 w = doc_rect->y2 - doc_rect->y1;
934 h = doc_rect->x2 - doc_rect->x1;
936 g_assert_not_reached ();
939 get_page_extents (view, page, &page_area, &border);
941 view_rect->x = x * view->scale + page_area.x;
942 view_rect->y = y * view->scale + page_area.y;
943 view_rect->width = w * view->scale;
944 view_rect->height = h * view->scale;
948 find_page_at_location (EvView *view,
957 if (view->document == NULL)
964 for (i = view->start_page; i <= view->end_page; i++) {
965 GdkRectangle page_area;
968 if (! get_page_extents (view, i, &page_area, &border))
971 if ((x >= page_area.x + border.left) &&
972 (x < page_area.x + page_area.width - border.right) &&
973 (y >= page_area.y + border.top) &&
974 (y < page_area.y + page_area.height - border.bottom)) {
976 *x_offset = x - (page_area.x + border.left);
977 *y_offset = y - (page_area.y + border.top);
986 location_in_text (EvView *view,
992 gint x_offset = 0, y_offset = 0;
994 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
999 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
1002 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1008 ev_view_get_width (EvView *view)
1010 return GTK_WIDGET (view)->allocation.width;
1014 ev_view_get_height (EvView *view)
1016 return GTK_WIDGET (view)->allocation.height;
1020 location_in_selected_text (EvView *view,
1025 gint x_offset = 0, y_offset = 0;
1026 EvViewSelection *selection;
1029 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1030 selection = (EvViewSelection *)l->data;
1032 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1034 if (page != selection->page)
1037 if (selection->covered_region &&
1038 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1047 ev_view_get_link_at_location (EvView *view,
1052 gint x_offset = 0, y_offset = 0;
1053 GList *link_mapping;
1055 x += view->scroll_x;
1056 y += view->scroll_y;
1058 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1063 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1066 return ev_link_mapping_find (link_mapping, x_offset / view->scale, y_offset / view->scale);
1072 goto_fitr_link (EvView *view, EvLink *link)
1078 zoom = zoom_for_size_best_fit (ev_link_get_right (link) - ev_link_get_left (link),
1079 ev_link_get_top (link) - ev_link_get_bottom (link),
1080 ev_view_get_width (view),
1081 ev_view_get_height (view), 0, 0);
1083 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1084 ev_view_set_zoom (view, zoom, FALSE);
1086 page = ev_link_get_page (link);
1087 doc_point.x = ev_link_get_left (link);
1088 doc_point.y = ev_link_get_top (link);
1090 view->current_page = page;
1091 view->pending_point = doc_point;
1092 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1094 gtk_widget_queue_resize (GTK_WIDGET (view));
1098 goto_fitv_link (EvView *view, EvLink *link)
1101 int doc_width, doc_height, page;
1104 page = ev_link_get_page (link);
1105 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1107 doc_point.x = ev_link_get_left (link);
1110 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1111 ev_view_get_width (view),
1112 ev_view_get_height (view), 0);
1114 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1115 ev_view_set_zoom (view, zoom, FALSE);
1117 view->current_page = page;
1118 view->pending_point = doc_point;
1119 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1121 gtk_widget_queue_resize (GTK_WIDGET (view));
1125 goto_fith_link (EvView *view, EvLink *link)
1128 int doc_width, doc_height, page;
1131 page = ev_link_get_page (link);
1132 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1135 doc_point.y = doc_height - ev_link_get_top (link);
1137 zoom = zoom_for_size_fit_width (doc_width, ev_link_get_top (link),
1138 ev_view_get_width (view),
1139 ev_view_get_height (view), 0);
1141 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1142 ev_view_set_zoom (view, zoom, FALSE);
1144 view->current_page = page;
1145 view->pending_point = doc_point;
1146 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1148 gtk_widget_queue_resize (GTK_WIDGET (view));
1152 goto_fit_link (EvView *view, EvLink *link)
1155 int doc_width, doc_height;
1158 page = ev_link_get_page (link);
1159 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1161 zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view),
1162 ev_view_get_height (view), 0, 0);
1164 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1165 ev_view_set_zoom (view, zoom, FALSE);
1167 view->current_page = page;
1168 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1170 gtk_widget_queue_resize (GTK_WIDGET (view));
1174 goto_xyz_link (EvView *view, EvLink *link)
1180 zoom = ev_link_get_zoom (link);
1181 page = ev_link_get_page (link);
1182 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, NULL, &height);
1185 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1186 ev_view_set_zoom (view, zoom, FALSE);
1189 doc_point.x = ev_link_get_left (link);
1190 doc_point.y = height - ev_link_get_top (link);
1192 view->current_page = page;
1193 view->pending_point = doc_point;
1194 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1196 gtk_widget_queue_resize (GTK_WIDGET (view));
1200 ev_view_goto_link (EvView *view, EvLink *link)
1205 type = ev_link_get_link_type (link);
1208 case EV_LINK_TYPE_TITLE:
1210 case EV_LINK_TYPE_PAGE:
1211 page = ev_link_get_page (link);
1212 ev_page_cache_set_current_page (view->page_cache, page);
1214 case EV_LINK_TYPE_PAGE_FIT:
1215 goto_fit_link (view, link);
1217 case EV_LINK_TYPE_PAGE_FITH:
1218 goto_fith_link (view, link);
1220 case EV_LINK_TYPE_PAGE_FITV:
1221 goto_fitv_link (view, link);
1223 case EV_LINK_TYPE_PAGE_FITR:
1224 goto_fitr_link (view, link);
1226 case EV_LINK_TYPE_PAGE_XYZ:
1227 goto_xyz_link (view, link);
1229 case EV_LINK_TYPE_EXTERNAL_URI:
1230 case EV_LINK_TYPE_LAUNCH:
1231 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, link);
1237 tip_from_link (EvView *view, EvLink *link)
1243 type = ev_link_get_link_type (link);
1246 case EV_LINK_TYPE_TITLE:
1247 if (ev_link_get_title (link))
1248 msg = g_strdup (ev_link_get_title (link));
1250 case EV_LINK_TYPE_PAGE:
1251 case EV_LINK_TYPE_PAGE_XYZ:
1252 page_label = ev_page_cache_get_page_label (view->page_cache, ev_link_get_page (link));
1253 msg = g_strdup_printf (_("Go to page %s"), page_label);
1254 g_free (page_label);
1256 case EV_LINK_TYPE_EXTERNAL_URI:
1257 msg = g_strdup (ev_link_get_uri (link));
1267 handle_link_over_xy (EvView *view, gint x, gint y)
1271 link = ev_view_get_link_at_location (view, x, y);
1273 if (view->link_tooltip == NULL) {
1274 view->link_tooltip = ev_tooltip_new (GTK_WIDGET (view));
1277 if (view->hovered_link != link) {
1278 view->hovered_link = link;
1279 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
1283 char *msg = tip_from_link (view, link);
1285 if (msg && g_utf8_validate (msg, -1, NULL)) {
1286 EvTooltip *tooltip = EV_TOOLTIP (view->link_tooltip);
1288 ev_tooltip_set_position (tooltip, x, y);
1289 ev_tooltip_set_text (tooltip, msg);
1290 ev_tooltip_activate (tooltip);
1294 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1295 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1296 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1298 ev_view_set_status (view, NULL);
1299 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1300 view->cursor == EV_VIEW_CURSOR_IBEAM)
1301 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1306 /*** GtkWidget implementation ***/
1309 ev_view_size_request_continuous_dual_page (EvView *view,
1310 GtkRequisition *requisition)
1316 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1317 view->scale, &max_width);
1318 compute_border (view, max_width, max_width, &border);
1320 n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1;
1322 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
1323 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1325 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1326 requisition->width = 1;
1327 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1328 requisition->width = 1;
1329 /* FIXME: This could actually be set on one page docs or docs
1330 * with a strange aspect ratio. */
1331 /* requisition->height = 1;*/
1336 ev_view_size_request_continuous (EvView *view,
1337 GtkRequisition *requisition)
1344 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1345 view->scale, &max_width);
1346 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1347 compute_border (view, max_width, max_width, &border);
1349 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
1350 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1352 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1353 requisition->width = 1;
1354 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1355 requisition->width = 1;
1356 /* FIXME: This could actually be set on one page docs or docs
1357 * with a strange aspect ratio. */
1358 /* requisition->height = 1;*/
1363 ev_view_size_request_dual_page (EvView *view,
1364 GtkRequisition *requisition)
1369 /* Find the largest of the two. */
1370 ev_page_cache_get_size (view->page_cache,
1375 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) {
1376 gint width_2, height_2;
1377 ev_page_cache_get_size (view->page_cache,
1378 view->current_page + 1,
1381 &width_2, &height_2);
1382 if (width_2 > width) {
1387 compute_border (view, width, height, &border);
1389 requisition->width = ((width + border.left + border.right) * 2) +
1390 (view->spacing * 3);
1391 requisition->height = (height + border.top + border.bottom) +
1392 (view->spacing * 2);
1394 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1395 requisition->width = 1;
1396 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1397 requisition->width = 1;
1398 requisition->height = 1;
1403 ev_view_size_request_single_page (EvView *view,
1404 GtkRequisition *requisition)
1409 ev_page_cache_get_size (view->page_cache,
1414 compute_border (view, width, height, &border);
1416 requisition->width = width + border.left + border.right + (2 * view->spacing);
1417 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1419 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1420 requisition->width = 1;
1421 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1422 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1423 requisition->width = 1;
1424 requisition->height = 1;
1429 ev_view_size_request (GtkWidget *widget,
1430 GtkRequisition *requisition)
1432 EvView *view = EV_VIEW (widget);
1434 if (view->document == NULL) {
1435 requisition->width = 1;
1436 requisition->height = 1;
1440 if (view->presentation) {
1441 requisition->width = 1;
1442 requisition->height = 1;
1446 if (view->continuous && view->dual_page)
1447 ev_view_size_request_continuous_dual_page (view, requisition);
1448 else if (view->continuous)
1449 ev_view_size_request_continuous (view, requisition);
1450 else if (view->dual_page)
1451 ev_view_size_request_dual_page (view, requisition);
1453 ev_view_size_request_single_page (view, requisition);
1457 ev_view_size_allocate (GtkWidget *widget,
1458 GtkAllocation *allocation)
1460 EvView *view = EV_VIEW (widget);
1462 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
1463 view->sizing_mode == EV_SIZING_BEST_FIT) {
1465 g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0);
1467 ev_view_size_request (widget, &widget->requisition);
1470 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
1471 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
1473 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
1474 view->pending_resize = FALSE;
1477 view_update_range_and_current_page (view);
1479 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
1483 ev_view_realize (GtkWidget *widget)
1485 EvView *view = EV_VIEW (widget);
1486 GdkWindowAttr attributes;
1488 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
1491 attributes.window_type = GDK_WINDOW_CHILD;
1492 attributes.wclass = GDK_INPUT_OUTPUT;
1493 attributes.visual = gtk_widget_get_visual (widget);
1494 attributes.colormap = gtk_widget_get_colormap (widget);
1496 attributes.x = widget->allocation.x;
1497 attributes.y = widget->allocation.y;
1498 attributes.width = widget->allocation.width;
1499 attributes.height = widget->allocation.height;
1500 attributes.event_mask = GDK_EXPOSURE_MASK |
1501 GDK_BUTTON_PRESS_MASK |
1502 GDK_BUTTON_RELEASE_MASK |
1504 GDK_KEY_PRESS_MASK |
1505 GDK_POINTER_MOTION_MASK |
1506 GDK_POINTER_MOTION_HINT_MASK |
1507 GDK_ENTER_NOTIFY_MASK |
1508 GDK_LEAVE_NOTIFY_MASK;
1510 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
1512 GDK_WA_X | GDK_WA_Y |
1515 gdk_window_set_user_data (widget->window, widget);
1516 widget->style = gtk_style_attach (widget->style, widget->window);
1518 if (view->presentation)
1519 gdk_window_set_background (widget->window, &widget->style->black);
1521 gdk_window_set_background (widget->window, &widget->style->mid [GTK_STATE_NORMAL]);
1525 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
1527 EvView *view = EV_VIEW (widget);
1530 state = event->state & gtk_accelerator_get_default_mod_mask ();
1532 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
1533 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1535 if (event->direction == GDK_SCROLL_UP ||
1536 event->direction == GDK_SCROLL_LEFT) {
1537 if (ev_view_can_zoom_in (view)) {
1538 ev_view_zoom_in (view);
1541 if (ev_view_can_zoom_out (view)) {
1542 ev_view_zoom_out (view);
1549 /* Shift+Wheel scrolls the in the perpendicular direction */
1550 if (state & GDK_SHIFT_MASK) {
1551 if (event->direction == GDK_SCROLL_UP)
1552 event->direction = GDK_SCROLL_LEFT;
1553 if (event->direction == GDK_SCROLL_LEFT)
1554 event->direction = GDK_SCROLL_UP;
1555 if (event->direction == GDK_SCROLL_DOWN)
1556 event->direction = GDK_SCROLL_RIGHT;
1557 if (event->direction == GDK_SCROLL_RIGHT)
1558 event->direction = GDK_SCROLL_DOWN;
1560 event->state &= ~GDK_SHIFT_MASK;
1561 state &= ~GDK_SHIFT_MASK;
1564 if (state == 0 && view->presentation) {
1565 switch (event->direction) {
1566 case GDK_SCROLL_DOWN:
1567 case GDK_SCROLL_RIGHT:
1568 ev_view_next_page (view);
1571 case GDK_SCROLL_LEFT:
1572 ev_view_previous_page (view);
1582 static EvViewSelection *
1583 find_selection_for_page (EvView *view,
1588 for (list = view->selection_info.selections; list != NULL; list = list->next) {
1589 EvViewSelection *selection;
1591 selection = (EvViewSelection *) list->data;
1593 if (selection->page == page)
1601 ev_view_expose_event (GtkWidget *widget,
1602 GdkEventExpose *event)
1604 EvView *view = EV_VIEW (widget);
1607 if (view->document == NULL)
1610 for (i = view->start_page; i <= view->end_page; i++) {
1611 GdkRectangle page_area;
1614 if (!get_page_extents (view, i, &page_area, &border))
1617 page_area.x -= view->scroll_x;
1618 page_area.y -= view->scroll_y;
1620 draw_one_page (view, i, &page_area, &border, &(event->area));
1622 if (EV_IS_DOCUMENT_FIND (view->document))
1623 highlight_find_results (view, i);
1630 ev_view_popup_menu (GtkWidget *widget)
1634 EvView *view = EV_VIEW (widget);
1636 gtk_widget_get_pointer (widget, &x, &y);
1637 link = ev_view_get_link_at_location (view, x, y);
1638 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
1643 ev_view_button_press_event (GtkWidget *widget,
1644 GdkEventButton *event)
1646 EvView *view = EV_VIEW (widget);
1649 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
1650 gtk_widget_grab_focus (widget);
1653 view->pressed_button = event->button;
1654 view->selection_info.in_drag = FALSE;
1656 switch (event->button) {
1658 if (view->selection_info.selections) {
1659 if (location_in_selected_text (view,
1660 event->x + view->scroll_x,
1661 event->y + view->scroll_y)) {
1662 view->selection_info.in_drag = TRUE;
1664 clear_selection (view);
1667 gtk_widget_queue_draw (widget);
1670 view->selection_info.start.x = event->x + view->scroll_x;
1671 view->selection_info.start.y = event->y + view->scroll_y;
1675 /* use root coordinates as reference point because
1676 * scrolling changes window relative coordinates */
1677 view->drag_info.start.x = event->x_root;
1678 view->drag_info.start.y = event->y_root;
1679 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
1680 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
1682 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1686 link = ev_view_get_link_at_location (view, event->x, event->y);
1687 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
1695 ev_view_drag_data_get (GtkWidget *widget,
1696 GdkDragContext *context,
1697 GtkSelectionData *selection_data,
1701 EvView *view = EV_VIEW (widget);
1703 if (view->selection_info.selections &&
1704 ev_document_can_get_text (view->document)) {
1707 text = get_selected_text (view);
1709 gtk_selection_data_set_text (selection_data, text, strlen (text));
1716 selection_update_idle_cb (EvView *view)
1718 compute_selections (view, &view->selection_info.start, &view->motion);
1719 view->selection_update_id = 0;
1724 selection_scroll_timeout_cb (EvView *view)
1726 gint x, y, shift = 0;
1727 GtkWidget *widget = GTK_WIDGET (view);
1729 gtk_widget_get_pointer (widget, &x, &y);
1731 if (y > widget->allocation.height) {
1732 shift = (y - widget->allocation.height) / 2;
1738 gtk_adjustment_set_value (view->vadjustment,
1739 CLAMP (view->vadjustment->value + shift,
1740 view->vadjustment->lower,
1741 view->vadjustment->upper -
1742 view->vadjustment->page_size));
1744 if (x > widget->allocation.width) {
1745 shift = (x - widget->allocation.width) / 2;
1751 gtk_adjustment_set_value (view->hadjustment,
1752 CLAMP (view->hadjustment->value + shift,
1753 view->hadjustment->lower,
1754 view->hadjustment->upper -
1755 view->hadjustment->page_size));
1761 ev_view_motion_notify_event (GtkWidget *widget,
1762 GdkEventMotion *event)
1764 EvView *view = EV_VIEW (widget);
1767 if (!view->document)
1770 if (event->is_hint || event->window != widget->window) {
1771 gtk_widget_get_pointer (widget, &x, &y);
1777 if (view->selection_info.in_drag) {
1778 if (gtk_drag_check_threshold (widget,
1779 view->selection_info.start.x,
1780 view->selection_info.start.y,
1782 GdkDragContext *context;
1783 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
1785 gtk_target_list_add_text_targets (target_list, 0);
1787 context = gtk_drag_begin (widget, target_list,
1789 1, (GdkEvent *)event);
1791 view->selection_info.in_drag = FALSE;
1793 gtk_target_list_unref (target_list);
1799 /* For the Evince 0.4.x release, we limit selection to un-rotated
1802 if (view->pressed_button == 1 && view->rotation == 0) {
1804 /* Schedule timeout to scroll during selection and additionally
1805 * scroll once to allow arbitrary speed. */
1806 if (!view->selection_scroll_id)
1807 view->selection_scroll_id = g_timeout_add (SCROLL_TIME, (GSourceFunc)selection_scroll_timeout_cb, view);
1809 selection_scroll_timeout_cb (view);
1811 view->selection_info.in_selection = TRUE;
1812 view->motion.x = x + view->scroll_x;
1813 view->motion.y = y + view->scroll_y;
1815 /* Queue an idle to handle the motion. We do this because
1816 * handling any selection events in the motion could be slower
1817 * than new motion events reach us. We always put it in the
1818 * idle to make sure we catch up and don't visibly lag the
1820 if (!view->selection_update_id)
1821 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
1824 } else if (view->pressed_button == 2) {
1825 if (!view->drag_info.in_drag) {
1828 start = gtk_drag_check_threshold (widget,
1829 view->drag_info.start.x,
1830 view->drag_info.start.y,
1833 view->drag_info.in_drag = start;
1836 if (view->drag_info.in_drag) {
1838 gdouble dhadj_value, dvadj_value;
1840 dx = event->x_root - view->drag_info.start.x;
1841 dy = event->y_root - view->drag_info.start.y;
1843 dhadj_value = view->hadjustment->page_size *
1844 (gdouble)dx / widget->allocation.width;
1845 dvadj_value = view->vadjustment->page_size *
1846 (gdouble)dy / widget->allocation.height;
1848 /* clamp scrolling to visible area */
1849 gtk_adjustment_set_value (view->hadjustment,
1850 MIN(view->drag_info.hadj - dhadj_value,
1851 view->hadjustment->upper -
1852 view->hadjustment->page_size));
1853 gtk_adjustment_set_value (view->vadjustment,
1854 MIN(view->drag_info.vadj - dvadj_value,
1855 view->vadjustment->upper -
1856 view->vadjustment->page_size));
1860 /* For the Evince 0.4.x release, we limit links to un-rotated documents
1863 } else if (view->pressed_button <= 0 &&
1864 view->rotation == 0) {
1865 handle_link_over_xy (view, x, y);
1873 ev_view_button_release_event (GtkWidget *widget,
1874 GdkEventButton *event)
1876 EvView *view = EV_VIEW (widget);
1879 if (view->pressed_button == 2) {
1880 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1883 if (view->document) {
1884 link = ev_view_get_link_at_location (view, event->x, event->y);
1889 view->pressed_button = -1;
1890 view->drag_info.in_drag = FALSE;
1892 if (view->selection_scroll_id) {
1893 g_source_remove (view->selection_scroll_id);
1894 view->selection_scroll_id = 0;
1896 if (view->selection_update_id) {
1897 g_source_remove (view->selection_update_id);
1898 view->selection_update_id = 0;
1901 if (view->selection_info.selections) {
1902 ev_view_update_primary_selection (view);
1904 if (view->selection_info.in_drag) {
1905 clear_selection (view);
1906 gtk_widget_queue_draw (widget);
1909 view->selection_info.in_drag = FALSE;
1911 ev_view_goto_link (view, link);
1912 } else if (view->presentation) {
1913 switch (event->button) {
1915 ev_view_next_page (view);
1918 ev_view_previous_page (view);
1927 ev_view_focus_in (GtkWidget *widget,
1928 GdkEventFocus *event)
1930 if (EV_VIEW (widget)->pixbuf_cache)
1931 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
1932 gtk_widget_queue_draw (widget);
1938 ev_view_focus_out (GtkWidget *widget,
1939 GdkEventFocus *event)
1941 if (EV_VIEW (widget)->pixbuf_cache)
1942 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
1943 gtk_widget_queue_draw (widget);
1949 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
1951 EvView *view = EV_VIEW (widget);
1953 ev_view_set_status (view, NULL);
1955 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1956 view->cursor == EV_VIEW_CURSOR_IBEAM)
1957 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1959 if (view->link_tooltip) {
1960 view->hovered_link = NULL;
1961 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
1968 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
1970 EvView *view = EV_VIEW (widget);
1972 handle_link_over_xy (view, event->x, event->y);
1978 ev_view_style_set (GtkWidget *widget,
1979 GtkStyle *old_style)
1981 if (EV_VIEW (widget)->pixbuf_cache)
1982 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
1984 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
1990 ev_gdk_color_to_rgb (const GdkColor *color)
1993 result = (0xff0000 | (color->red & 0xff00));
1995 result |= ((color->green & 0xff00) | (color->blue >> 8));
2000 draw_rubberband (GtkWidget *widget, GdkWindow *window,
2001 const GdkRectangle *rect, guchar alpha)
2005 GdkColor *fill_color_gdk;
2008 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
2009 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
2011 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
2012 rect->width, rect->height);
2013 gdk_pixbuf_fill (pixbuf, fill_color);
2015 gdk_draw_pixbuf (window, NULL, pixbuf,
2017 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
2018 rect->width, rect->height,
2019 GDK_RGB_DITHER_NONE,
2022 g_object_unref (pixbuf);
2024 gc = gdk_gc_new (window);
2025 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
2026 gdk_draw_rectangle (window, gc, FALSE,
2027 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
2030 g_object_unref (gc);
2032 gdk_color_free (fill_color_gdk);
2037 highlight_find_results (EvView *view, int page)
2039 EvDocumentFind *find;
2042 g_return_if_fail (EV_IS_DOCUMENT_FIND (view->document));
2044 find = EV_DOCUMENT_FIND (view->document);
2046 results = ev_document_find_get_n_results (find, page);
2048 for (i = 0; i < results; i++) {
2049 EvRectangle rectangle;
2050 GdkRectangle view_rectangle;
2053 if (i == view->find_result && page == view->find_page) {
2059 ev_document_find_get_result (find, page, i, &rectangle);
2060 doc_rect_to_view_rect (view, page, &rectangle, &view_rectangle);
2061 draw_rubberband (GTK_WIDGET (view), GTK_WIDGET(view)->window,
2062 &view_rectangle, alpha);
2067 draw_loading_text (EvView *view,
2068 GdkRectangle *page_area,
2069 GdkRectangle *expose_area)
2071 PangoLayout *layout;
2072 PangoFontDescription *font_desc;
2073 PangoRectangle logical_rect;
2077 const char *loading_text = _("Loading...");
2079 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
2081 font_desc = pango_font_description_new ();
2084 /* We set the font to be 10 points, get the size, and scale appropriately */
2085 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
2086 pango_layout_set_font_description (layout, font_desc);
2087 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2089 /* Make sure we fit the middle of the page */
2090 target_width = MAX (page_area->width / 2, 1);
2091 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
2092 pango_font_description_set_size (font_desc, (int)real_scale);
2093 pango_layout_set_font_description (layout, font_desc);
2094 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2096 gtk_paint_layout (GTK_WIDGET (view)->style,
2097 GTK_WIDGET (view)->window,
2098 GTK_WIDGET_STATE (view),
2103 page_area->x + (target_width/2),
2104 page_area->y + (page_area->height - logical_rect.height) / 2,
2107 pango_font_description_free (font_desc);
2108 g_object_unref (layout);
2112 draw_one_page (EvView *view,
2114 GdkRectangle *page_area,
2116 GdkRectangle *expose_area)
2119 GdkPixbuf *current_pixbuf;
2120 GdkRectangle overlap;
2121 GdkRectangle real_page_area;
2122 EvViewSelection *selection;
2124 g_assert (view->document);
2125 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
2128 selection = find_selection_for_page (view, page);
2129 ev_page_cache_get_size (view->page_cache,
2130 page, view->rotation,
2133 /* Render the document itself */
2134 real_page_area = *page_area;
2136 real_page_area.x += border->left;
2137 real_page_area.y += border->top;
2138 real_page_area.width -= (border->left + border->right);
2139 real_page_area.height -= (border->top + border->bottom);
2141 ev_document_misc_paint_one_page (GTK_WIDGET(view)->window,
2145 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
2146 GdkPixbuf *selection_pixbuf = NULL;
2147 GdkPixbuf *scaled_image;
2148 GdkPixbuf *scaled_selection;
2150 current_pixbuf = ev_pixbuf_cache_get_pixbuf (view->pixbuf_cache, page);
2152 /* Get the selection pixbuf iff we have something to draw */
2153 if (current_pixbuf && view->selection_mode == EV_VIEW_SELECTION_TEXT && selection)
2154 selection_pixbuf = ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
2159 if (current_pixbuf == NULL)
2160 scaled_image = NULL;
2161 else if (width == gdk_pixbuf_get_width (current_pixbuf) &&
2162 height == gdk_pixbuf_get_height (current_pixbuf))
2163 scaled_image = g_object_ref (current_pixbuf);
2165 /* FIXME: We don't want to scale the whole area, just the right
2167 scaled_image = gdk_pixbuf_scale_simple (current_pixbuf,
2169 GDK_INTERP_NEAREST);
2171 if (selection_pixbuf == NULL)
2172 scaled_selection = NULL;
2173 else if (width == gdk_pixbuf_get_width (selection_pixbuf) &&
2174 height == gdk_pixbuf_get_height (selection_pixbuf))
2175 scaled_selection = g_object_ref (selection_pixbuf);
2177 /* FIXME: We don't want to scale the whole area, just the right
2179 scaled_selection = gdk_pixbuf_scale_simple (selection_pixbuf,
2181 GDK_INTERP_NEAREST);
2184 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2185 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2187 overlap.x - real_page_area.x,
2188 overlap.y - real_page_area.y,
2189 overlap.x, overlap.y,
2190 overlap.width, overlap.height,
2191 GDK_RGB_DITHER_NORMAL,
2193 g_object_unref (scaled_image);
2195 draw_loading_text (view,
2200 if (scaled_selection) {
2201 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2202 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2204 overlap.x - real_page_area.x,
2205 overlap.y - real_page_area.y,
2206 overlap.x, overlap.y,
2207 overlap.width, overlap.height,
2208 GDK_RGB_DITHER_NORMAL,
2210 g_object_unref (scaled_selection);
2215 /*** GObject functions ***/
2218 ev_view_finalize (GObject *object)
2220 EvView *view = EV_VIEW (object);
2224 g_free (view->status);
2225 g_free (view->find_status);
2227 clear_selection (view);
2229 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
2233 ev_view_destroy (GtkObject *object)
2235 EvView *view = EV_VIEW (object);
2237 if (view->document) {
2238 g_object_unref (view->document);
2239 view->document = NULL;
2242 if (view->pixbuf_cache) {
2243 g_object_unref (view->pixbuf_cache);
2244 view->pixbuf_cache = NULL;
2247 if (view->link_tooltip) {
2248 gtk_widget_destroy (view->link_tooltip);
2251 if (view->selection_scroll_id) {
2252 g_source_remove (view->selection_scroll_id);
2253 view->selection_scroll_id = 0;
2256 if (view->selection_update_id) {
2257 g_source_remove (view->selection_update_id);
2258 view->selection_update_id = 0;
2261 ev_view_set_scroll_adjustments (view, NULL, NULL);
2263 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
2267 ev_view_set_property (GObject *object,
2269 const GValue *value,
2272 EvView *view = EV_VIEW (object);
2276 case PROP_CONTINUOUS:
2277 ev_view_set_continuous (view, g_value_get_boolean (value));
2279 case PROP_DUAL_PAGE:
2280 ev_view_set_dual_page (view, g_value_get_boolean (value));
2282 case PROP_FULLSCREEN:
2283 ev_view_set_fullscreen (view, g_value_get_boolean (value));
2285 case PROP_PRESENTATION:
2286 ev_view_set_presentation (view, g_value_get_boolean (value));
2288 case PROP_SIZING_MODE:
2289 ev_view_set_sizing_mode (view, g_value_get_enum (value));
2292 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
2295 ev_view_set_rotation (view, g_value_get_int (value));
2298 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2303 ev_view_get_accessible (GtkWidget *widget)
2305 static gboolean first_time = TRUE;
2308 AtkObjectFactory *factory;
2309 AtkRegistry *registry;
2311 GType derived_atk_type;
2314 * Figure out whether accessibility is enabled by looking at the
2315 * type of the accessible object which would be created for
2316 * the parent type of EvView.
2318 derived_type = g_type_parent (EV_TYPE_VIEW);
2320 registry = atk_get_default_registry ();
2321 factory = atk_registry_get_factory (registry,
2323 derived_atk_type = atk_object_factory_get_accessible_type (factory);
2324 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
2325 atk_registry_set_factory_type (registry,
2327 ev_view_accessible_factory_get_type ());
2330 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
2334 ev_view_get_property (GObject *object,
2339 EvView *view = EV_VIEW (object);
2344 g_value_set_string (value, view->status);
2346 case PROP_FIND_STATUS:
2347 g_value_set_string (value, view->status);
2349 case PROP_CONTINUOUS:
2350 g_value_set_boolean (value, view->continuous);
2352 case PROP_DUAL_PAGE:
2353 g_value_set_boolean (value, view->dual_page);
2355 case PROP_FULLSCREEN:
2356 g_value_set_boolean (value, view->fullscreen);
2358 case PROP_PRESENTATION:
2359 g_value_set_boolean (value, view->presentation);
2361 case PROP_SIZING_MODE:
2362 g_value_set_enum (value, view->sizing_mode);
2365 g_value_set_double (value, view->scale);
2368 g_value_set_int (value, view->rotation);
2370 case PROP_HAS_SELECTION:
2371 g_value_set_boolean (value,
2372 view->selection_info.selections != NULL);
2375 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2380 ev_view_class_init (EvViewClass *class)
2382 GObjectClass *object_class = G_OBJECT_CLASS (class);
2383 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
2384 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
2385 GtkBindingSet *binding_set;
2387 object_class->finalize = ev_view_finalize;
2388 object_class->set_property = ev_view_set_property;
2389 object_class->get_property = ev_view_get_property;
2391 widget_class->expose_event = ev_view_expose_event;
2392 widget_class->button_press_event = ev_view_button_press_event;
2393 widget_class->motion_notify_event = ev_view_motion_notify_event;
2394 widget_class->button_release_event = ev_view_button_release_event;
2395 widget_class->focus_in_event = ev_view_focus_in;
2396 widget_class->focus_out_event = ev_view_focus_out;
2397 widget_class->get_accessible = ev_view_get_accessible;
2398 widget_class->size_request = ev_view_size_request;
2399 widget_class->size_allocate = ev_view_size_allocate;
2400 widget_class->realize = ev_view_realize;
2401 widget_class->scroll_event = ev_view_scroll_event;
2402 widget_class->enter_notify_event = ev_view_enter_notify_event;
2403 widget_class->leave_notify_event = ev_view_leave_notify_event;
2404 widget_class->style_set = ev_view_style_set;
2405 widget_class->drag_data_get = ev_view_drag_data_get;
2406 widget_class->popup_menu = ev_view_popup_menu;
2407 gtk_object_class->destroy = ev_view_destroy;
2409 class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
2410 class->binding_activated = ev_view_binding_activated;
2412 widget_class->set_scroll_adjustments_signal =
2413 g_signal_new ("set-scroll-adjustments",
2414 G_OBJECT_CLASS_TYPE (object_class),
2415 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2416 G_STRUCT_OFFSET (EvViewClass, set_scroll_adjustments),
2418 ev_marshal_VOID__OBJECT_OBJECT,
2420 GTK_TYPE_ADJUSTMENT,
2421 GTK_TYPE_ADJUSTMENT);
2423 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
2424 G_TYPE_FROM_CLASS (object_class),
2425 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2426 G_STRUCT_OFFSET (EvViewClass, binding_activated),
2428 ev_marshal_VOID__ENUM_BOOLEAN,
2430 GTK_TYPE_SCROLL_TYPE,
2433 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
2434 G_TYPE_FROM_CLASS (object_class),
2435 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2436 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
2438 ev_marshal_VOID__VOID,
2439 G_TYPE_NONE, 0, G_TYPE_NONE);
2440 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
2441 G_TYPE_FROM_CLASS (object_class),
2442 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2443 G_STRUCT_OFFSET (EvViewClass, external_link),
2445 g_cclosure_marshal_VOID__OBJECT,
2448 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
2449 G_TYPE_FROM_CLASS (object_class),
2450 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2451 G_STRUCT_OFFSET (EvViewClass, popup_menu),
2453 g_cclosure_marshal_VOID__OBJECT,
2457 g_object_class_install_property (object_class,
2459 g_param_spec_string ("status",
2461 "The status message",
2465 g_object_class_install_property (object_class,
2467 g_param_spec_string ("find-status",
2468 "Find Status Message",
2469 "The find status message",
2473 g_object_class_install_property (object_class,
2475 g_param_spec_boolean ("continuous",
2477 "Continuous scrolling mode",
2479 G_PARAM_READWRITE));
2481 g_object_class_install_property (object_class,
2483 g_param_spec_boolean ("dual-page",
2485 "Two pages visible at once",
2487 G_PARAM_READWRITE));
2488 g_object_class_install_property (object_class,
2490 g_param_spec_boolean ("fullscreen",
2492 "Draw page in a fullscreen fashion",
2494 G_PARAM_READWRITE));
2495 g_object_class_install_property (object_class,
2497 g_param_spec_boolean ("presentation",
2499 "Draw page in presentation mode",
2501 G_PARAM_READWRITE));
2503 g_object_class_install_property (object_class,
2505 g_param_spec_enum ("sizing-mode",
2508 EV_TYPE_SIZING_MODE,
2509 EV_SIZING_FIT_WIDTH,
2510 G_PARAM_READWRITE));
2512 g_object_class_install_property (object_class,
2514 g_param_spec_double ("zoom",
2520 G_PARAM_READWRITE));
2521 g_object_class_install_property (object_class,
2523 g_param_spec_double ("rotation",
2529 G_PARAM_READWRITE));
2530 g_object_class_install_property (object_class,
2532 g_param_spec_boolean ("has-selection",
2534 "The view has selections",
2538 binding_set = gtk_binding_set_by_class (class);
2540 add_scroll_binding_keypad (binding_set, GDK_Left, GTK_SCROLL_STEP_BACKWARD, TRUE);
2541 add_scroll_binding_keypad (binding_set, GDK_Right, GTK_SCROLL_STEP_FORWARD, TRUE);
2542 add_scroll_binding_keypad (binding_set, GDK_Up, GTK_SCROLL_STEP_BACKWARD, FALSE);
2543 add_scroll_binding_keypad (binding_set, GDK_Down, GTK_SCROLL_STEP_FORWARD, FALSE);
2547 ev_view_init (EvView *view)
2549 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
2553 view->current_page = 0;
2554 view->pressed_button = -1;
2555 view->cursor = EV_VIEW_CURSOR_NORMAL;
2556 view->drag_info.in_drag = FALSE;
2557 view->selection_info.selections = NULL;
2558 view->selection_info.in_selection = FALSE;
2559 view->selection_info.in_drag = FALSE;
2560 view->selection_mode = EV_VIEW_SELECTION_TEXT;
2561 view->continuous = TRUE;
2562 view->dual_page = FALSE;
2563 view->presentation = FALSE;
2564 view->fullscreen = FALSE;
2565 view->sizing_mode = EV_SIZING_FIT_WIDTH;
2566 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2572 find_changed_cb (EvDocument *document, int page, EvView *view)
2574 jump_to_find_page (view, EV_VIEW_FIND_NEXT);
2575 jump_to_find_result (view);
2576 update_find_status_message (view);
2578 if (view->current_page == page)
2579 gtk_widget_queue_draw (GTK_WIDGET (view));
2583 job_finished_cb (EvPixbufCache *pixbuf_cache,
2586 gtk_widget_queue_draw (GTK_WIDGET (view));
2590 page_changed_cb (EvPageCache *page_cache,
2594 if (view->current_page != new_page) {
2596 view->current_page = new_page;
2597 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2598 gtk_widget_queue_resize (GTK_WIDGET (view));
2600 if (EV_IS_DOCUMENT_FIND (view->document)) {
2601 view->find_page = new_page;
2602 view->find_result = 0;
2603 update_find_status_message (view);
2608 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
2613 if (! GTK_WIDGET_REALIZED (view))
2616 if (view->hadjustment) {
2617 dx = view->scroll_x - (int) view->hadjustment->value;
2618 view->scroll_x = (int) view->hadjustment->value;
2623 if (view->vadjustment) {
2624 dy = view->scroll_y - (int) view->vadjustment->value;
2625 view->scroll_y = (int) view->vadjustment->value;
2631 if (view->pending_resize)
2632 gtk_widget_queue_draw (GTK_WIDGET (view));
2634 gdk_window_scroll (GTK_WIDGET (view)->window, dx, dy);
2638 view_update_range_and_current_page (view);
2646 view = g_object_new (EV_TYPE_VIEW, NULL);
2652 setup_caches (EvView *view)
2654 view->page_cache = ev_page_cache_get (view->document);
2655 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
2656 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
2657 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
2661 clear_caches (EvView *view)
2663 if (view->pixbuf_cache) {
2664 g_object_unref (view->pixbuf_cache);
2665 view->pixbuf_cache = NULL;
2668 if (view->page_cache) {
2669 view->page_cache = NULL;
2674 ev_view_set_document (EvView *view,
2675 EvDocument *document)
2677 g_return_if_fail (EV_IS_VIEW (view));
2679 if (document != view->document) {
2680 clear_caches (view);
2682 if (view->document) {
2683 g_signal_handlers_disconnect_by_func (view->document,
2686 g_object_unref (view->document);
2687 view->page_cache = NULL;
2691 view->document = document;
2692 view->find_page = 0;
2693 view->find_result = 0;
2695 if (view->document) {
2696 g_object_ref (view->document);
2697 if (EV_IS_DOCUMENT_FIND (view->document)) {
2698 g_signal_connect (view->document,
2700 G_CALLBACK (find_changed_cb),
2704 setup_caches (view);
2707 gtk_widget_queue_resize (GTK_WIDGET (view));
2711 /*** Zoom and sizing mode ***/
2713 #define EPSILON 0.0000001
2715 ev_view_set_zoom (EvView *view,
2722 scale = view->scale * factor;
2726 scale = CLAMP (scale, MIN_SCALE, MAX_SCALE);
2728 if (ABS (view->scale - scale) < EPSILON)
2731 view->scale = scale;
2732 view->pending_resize = TRUE;
2734 gtk_widget_queue_resize (GTK_WIDGET (view));
2736 g_object_notify (G_OBJECT (view), "zoom");
2740 ev_view_get_zoom (EvView *view)
2746 ev_view_get_continuous (EvView *view)
2748 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2750 return view->continuous;
2754 ev_view_set_continuous (EvView *view,
2755 gboolean continuous)
2757 g_return_if_fail (EV_IS_VIEW (view));
2759 continuous = continuous != FALSE;
2761 if (view->continuous != continuous) {
2762 view->continuous = continuous;
2763 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2764 gtk_widget_queue_resize (GTK_WIDGET (view));
2767 g_object_notify (G_OBJECT (view), "continuous");
2771 ev_view_get_dual_page (EvView *view)
2773 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2775 return view->dual_page;
2779 ev_view_set_dual_page (EvView *view,
2782 g_return_if_fail (EV_IS_VIEW (view));
2784 dual_page = dual_page != FALSE;
2786 if (view->dual_page == dual_page)
2789 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2790 view->dual_page = dual_page;
2791 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
2792 * preload_cache_size to be 2 if dual_page is set.
2794 gtk_widget_queue_resize (GTK_WIDGET (view));
2796 g_object_notify (G_OBJECT (view), "dual-page");
2800 ev_view_set_fullscreen (EvView *view,
2801 gboolean fullscreen)
2803 g_return_if_fail (EV_IS_VIEW (view));
2805 fullscreen = fullscreen != FALSE;
2807 if (view->fullscreen == fullscreen)
2810 view->fullscreen = fullscreen;
2811 gtk_widget_queue_resize (GTK_WIDGET (view));
2813 g_object_notify (G_OBJECT (view), "fullscreen");
2817 ev_view_get_fullscreen (EvView *view)
2819 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2821 return view->fullscreen;
2825 ev_view_set_presentation (EvView *view,
2826 gboolean presentation)
2828 g_return_if_fail (EV_IS_VIEW (view));
2830 presentation = presentation != FALSE;
2832 if (view->presentation == presentation)
2835 view->presentation = presentation;
2836 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2837 gtk_widget_queue_resize (GTK_WIDGET (view));
2839 if (GTK_WIDGET_REALIZED (view)) {
2840 if (view->presentation)
2841 gdk_window_set_background (GTK_WIDGET(view)->window,
2842 >K_WIDGET (view)->style->black);
2844 gdk_window_set_background (GTK_WIDGET(view)->window,
2845 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
2849 g_object_notify (G_OBJECT (view), "presentation");
2853 ev_view_get_presentation (EvView *view)
2855 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2857 return view->presentation;
2861 ev_view_set_sizing_mode (EvView *view,
2862 EvSizingMode sizing_mode)
2864 g_return_if_fail (EV_IS_VIEW (view));
2866 if (view->sizing_mode == sizing_mode)
2869 view->sizing_mode = sizing_mode;
2870 gtk_widget_queue_resize (GTK_WIDGET (view));
2872 g_object_notify (G_OBJECT (view), "sizing-mode");
2876 ev_view_get_sizing_mode (EvView *view)
2878 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
2880 return view->sizing_mode;
2884 ev_view_can_zoom_in (EvView *view)
2886 return view->scale * ZOOM_IN_FACTOR <= MAX_SCALE;
2890 ev_view_can_zoom_out (EvView *view)
2892 return view->scale * ZOOM_OUT_FACTOR >= MIN_SCALE;
2896 ev_view_zoom_in (EvView *view)
2898 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
2900 view->pending_scroll = SCROLL_TO_CENTER;
2901 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
2905 ev_view_zoom_out (EvView *view)
2907 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
2909 view->pending_scroll = SCROLL_TO_CENTER;
2910 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
2914 ev_view_rotate_right (EvView *view)
2916 int rotation = view->rotation + 90;
2918 if (rotation >= 360) {
2922 ev_view_set_rotation (view, rotation);
2926 ev_view_rotate_left (EvView *view)
2928 int rotation = view->rotation - 90;
2934 ev_view_set_rotation (view, rotation);
2938 ev_view_set_rotation (EvView *view, int rotation)
2940 view->rotation = rotation;
2942 if (view->pixbuf_cache) {
2943 ev_pixbuf_cache_clear (view->pixbuf_cache);
2944 gtk_widget_queue_resize (GTK_WIDGET (view));
2948 clear_selection (view);
2950 g_object_notify (G_OBJECT (view), "rotation");
2954 ev_view_get_rotation (EvView *view)
2956 return view->rotation;
2960 zoom_for_size_fit_width (int doc_width,
2968 scale = (double)target_width / doc_width;
2970 if (doc_height * scale > target_height)
2971 scale = (double) (target_width - vsb_width) / doc_width;
2977 zoom_for_size_fit_height (int doc_width,
2985 scale = (double)target_height / doc_height;
2987 if (doc_width * scale > target_width)
2988 scale = (double) (target_height - vsb_height) / doc_height;
2994 zoom_for_size_best_fit (int doc_width,
3004 w_scale = (double)target_width / doc_width;
3005 h_scale = (double)target_height / doc_height;
3007 if (doc_height * w_scale > target_height)
3008 w_scale = (double) (target_width - vsb_width) / doc_width;
3009 if (doc_width * h_scale > target_width)
3010 h_scale = (double) (target_height - hsb_width) / doc_height;
3012 return MIN (w_scale, h_scale);
3017 ev_view_zoom_for_size_presentation (EvView *view,
3021 int doc_width, doc_height;
3024 ev_page_cache_get_size (view->page_cache,
3030 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
3031 ev_view_set_zoom (view, scale, FALSE);
3035 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
3041 int doc_width, doc_height;
3045 ev_page_cache_get_max_width (view->page_cache,
3049 ev_page_cache_get_max_height (view->page_cache,
3053 compute_border (view, doc_width, doc_height, &border);
3055 doc_width = doc_width * 2;
3056 width -= (2 * (border.left + border.right) + 3 * view->spacing);
3057 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3059 /* FIXME: We really need to calculate the overall height here, not the
3060 * page height. We assume there's always a vertical scrollbar for
3061 * now. We need to fix this. */
3062 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3063 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3064 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3065 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3067 g_assert_not_reached ();
3069 ev_view_set_zoom (view, scale, FALSE);
3073 ev_view_zoom_for_size_continuous (EvView *view,
3079 int doc_width, doc_height;
3083 ev_page_cache_get_max_width (view->page_cache,
3087 ev_page_cache_get_max_height (view->page_cache,
3091 compute_border (view, doc_width, doc_height, &border);
3093 width -= (border.left + border.right + 2 * view->spacing);
3094 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3096 /* FIXME: We really need to calculate the overall height here, not the
3097 * page height. We assume there's always a vertical scrollbar for
3098 * now. We need to fix this. */
3099 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3100 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3101 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3102 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3104 g_assert_not_reached ();
3106 ev_view_set_zoom (view, scale, FALSE);
3110 ev_view_zoom_for_size_dual_page (EvView *view,
3117 gint doc_width, doc_height;
3121 other_page = view->current_page ^ 1;
3123 /* Find the largest of the two. */
3124 ev_page_cache_get_size (view->page_cache,
3128 &doc_width, &doc_height);
3130 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
3131 gint width_2, height_2;
3132 ev_page_cache_get_size (view->page_cache,
3136 &width_2, &height_2);
3137 if (width_2 > doc_width)
3138 doc_width = width_2;
3139 if (height_2 > doc_height)
3140 doc_height = height_2;
3142 compute_border (view, doc_width, doc_height, &border);
3144 doc_width = doc_width * 2;
3145 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
3146 height -= (border.top + border.bottom + 2 * view->spacing);
3148 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3149 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3150 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3151 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3153 g_assert_not_reached ();
3155 ev_view_set_zoom (view, scale, FALSE);
3159 ev_view_zoom_for_size_single_page (EvView *view,
3165 int doc_width, doc_height;
3169 ev_page_cache_get_size (view->page_cache,
3175 /* Get an approximate border */
3176 compute_border (view, width, height, &border);
3178 width -= (border.left + border.right + 2 * view->spacing);
3179 height -= (border.top + border.bottom + 2 * view->spacing);
3181 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3182 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3183 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3184 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3186 g_assert_not_reached ();
3188 ev_view_set_zoom (view, scale, FALSE);
3192 ev_view_set_zoom_for_size (EvView *view,
3198 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
3199 view->sizing_mode == EV_SIZING_BEST_FIT);
3200 g_return_if_fail (width >= 0);
3201 g_return_if_fail (height >= 0);
3203 if (view->document == NULL)
3206 if (view->presentation)
3207 ev_view_zoom_for_size_presentation (view, width, height);
3208 else if (view->continuous && view->dual_page)
3209 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
3210 else if (view->continuous)
3211 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
3212 else if (view->dual_page)
3213 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
3215 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
3218 /*** Status text messages ***/
3221 ev_view_get_status (EvView *view)
3223 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3225 return view->status;
3229 ev_view_set_status (EvView *view, const char *message)
3231 g_return_if_fail (EV_IS_VIEW (view));
3233 if (message != view->status) {
3234 g_free (view->status);
3235 view->status = g_strdup (message);
3236 g_object_notify (G_OBJECT (view), "status");
3241 update_find_status_message (EvView *view)
3245 if (view->current_page == view->find_page) {
3248 results = ev_document_find_get_n_results
3249 (EV_DOCUMENT_FIND (view->document),
3250 view->current_page);
3251 /* TRANS: Sometimes this could be better translated as
3252 "%d hit(s) on this page". Therefore this string
3253 contains plural cases. */
3254 message = g_strdup_printf (ngettext ("%d found on this page",
3255 "%d found on this page",
3261 percent = ev_document_find_get_progress
3262 (EV_DOCUMENT_FIND (view->document));
3263 if (percent >= (1.0 - 1e-10)) {
3264 message = g_strdup (_("Not found"));
3266 message = g_strdup_printf (_("%3d%% remaining to search"),
3267 (int) ((1.0 - percent) * 100));
3271 ev_view_set_find_status (view, message);
3276 ev_view_get_find_status (EvView *view)
3278 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3280 return view->find_status;
3284 ev_view_set_find_status (EvView *view, const char *message)
3286 g_return_if_fail (EV_IS_VIEW (view));
3288 g_free (view->find_status);
3289 view->find_status = g_strdup (message);
3290 g_object_notify (G_OBJECT (view), "find-status");
3296 jump_to_find_result (EvView *view)
3298 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3300 GdkRectangle view_rect;
3302 int page = view->find_page;
3304 n_results = ev_document_find_get_n_results (find, page);
3306 if (n_results > 0 && view->find_result < n_results) {
3307 ev_document_find_get_result
3308 (find, page, view->find_result, &rect);
3310 doc_rect_to_view_rect (view, page, &rect, &view_rect);
3311 ensure_rectangle_is_visible (view, &view_rect);
3316 jump_to_find_page (EvView *view, EvViewFindDirection direction)
3320 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3322 for (i = 0; i < n_pages; i++) {
3326 if (direction == EV_VIEW_FIND_NEXT)
3327 page = view->find_page + i;
3329 page = view->find_page - i;
3332 if (page >= n_pages) {
3333 page = page - n_pages;
3336 page = page + n_pages;
3338 has_results = ev_document_find_page_has_results
3339 (EV_DOCUMENT_FIND (view->document), page);
3340 if (has_results == -1) {
3341 view->find_page = page;
3343 } else if (has_results == 1) {
3344 ev_page_cache_set_current_page (view->page_cache, page);
3351 ev_view_can_find_next (EvView *view)
3353 if (EV_IS_DOCUMENT_FIND (view->document)) {
3354 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3357 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3358 for (i = 0; i < n_pages; i++) {
3359 if (ev_document_find_get_n_results (find, i) > 0) {
3369 ev_view_find_next (EvView *view)
3371 int n_results, n_pages;
3372 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3374 n_results = ev_document_find_get_n_results (find, view->current_page);
3376 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3378 view->find_result++;
3380 if (view->find_result >= n_results) {
3382 view->find_result = 0;
3384 if (view->find_page >= n_pages) {
3385 view->find_page = 0;
3388 jump_to_find_page (view, EV_VIEW_FIND_NEXT);
3389 jump_to_find_result (view);
3391 jump_to_find_result (view);
3392 gtk_widget_queue_draw (GTK_WIDGET (view));
3397 ev_view_find_previous (EvView *view)
3399 int n_results, n_pages;
3400 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3401 EvPageCache *page_cache;
3403 page_cache = ev_page_cache_get (view->document);
3405 n_results = ev_document_find_get_n_results (find, view->current_page);
3407 n_pages = ev_page_cache_get_n_pages (page_cache);
3409 view->find_result--;
3411 if (view->find_result < 0) {
3414 if (view->find_page < 0) {
3415 view->find_page = n_pages - 1;
3418 jump_to_find_page (view, EV_VIEW_FIND_PREV);
3419 view->find_result = ev_document_find_get_n_results (find, view->current_page) - 1;
3420 jump_to_find_result (view);
3422 jump_to_find_result (view);
3423 gtk_widget_queue_draw (GTK_WIDGET (view));
3427 /*** Selections ***/
3429 /* compute_new_selection_rect/text calculates the area currently selected by
3430 * view_rect. each handles a different mode;
3433 compute_new_selection_rect (EvView *view,
3437 GdkRectangle view_rect;
3441 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
3443 view_rect.x = MIN (start->x, stop->x);
3444 view_rect.y = MIN (start->y, stop->y);
3445 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
3446 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
3448 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3450 for (i = 0; i < n_pages; i++) {
3451 GdkRectangle page_area;
3454 if (get_page_extents (view, i, &page_area, &border)) {
3455 GdkRectangle overlap;
3457 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
3458 EvViewSelection *selection;
3460 selection = g_new0 (EvViewSelection, 1);
3461 selection->page = i;
3462 view_rect_to_doc_rect (view, &overlap, &page_area,
3463 &(selection->rect));
3465 list = g_list_append (list, selection);
3474 gdk_rectangle_point_in (GdkRectangle *rectangle,
3477 return rectangle->x <= point->x &&
3478 rectangle->y <= point->y &&
3479 point->x < rectangle->x + rectangle->width &&
3480 point->y < rectangle->y + rectangle->height;
3484 compute_new_selection_text (EvView *view,
3488 int n_pages, i, first, last;
3490 EvViewSelection *selection;
3492 int start_page, end_page;
3494 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
3496 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3498 /* First figure out the range of pages the selection
3502 if (view->continuous) {
3505 } else if (view->dual_page) {
3506 start_page = view->start_page;
3507 end_page = view->end_page + 1;
3509 start_page = view->current_page;
3510 end_page = view->current_page + 1;
3513 for (i = start_page; i < end_page; i++) {
3514 GdkRectangle page_area;
3517 get_page_extents (view, i, &page_area, &border);
3518 if (gdk_rectangle_point_in (&page_area, start) ||
3519 gdk_rectangle_point_in (&page_area, stop)) {
3520 if (first == n_pages)
3529 /* Now create a list of EvViewSelection's for the affected
3530 * pages. This could be an empty list, a list of just one
3531 * page or a number of pages.*/
3532 for (i = first; i < last + 1; i++) {
3533 GdkRectangle page_area;
3537 ev_page_cache_get_size (view->page_cache, i,
3539 1.0, &width, &height);
3541 selection = g_new0 (EvViewSelection, 1);
3542 selection->page = i;
3543 selection->rect.x1 = selection->rect.y1 = 0;
3544 selection->rect.x2 = width;
3545 selection->rect.y2 = height;
3547 get_page_extents (view, i, &page_area, &border);
3549 if (gdk_rectangle_point_in (&page_area, start))
3555 view_point_to_doc_point (view, point, &page_area,
3556 &selection->rect.x1,
3557 &selection->rect.y1);
3559 /* If the selection is contained within just one page,
3560 * make sure we don't write 'start' into both points
3561 * in selection->rect. */
3566 view_point_to_doc_point (view, point, &page_area,
3567 &selection->rect.x2,
3568 &selection->rect.y2);
3570 list = g_list_append (list, selection);
3576 /* This function takes the newly calculated list, and figures out which regions
3577 * have changed. It then queues a redraw approporiately.
3580 merge_selection_region (EvView *view,
3584 GList *new_list_ptr, *old_list_ptr;
3586 /* Update the selection */
3587 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
3588 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
3589 view->selection_info.selections = new_list;
3590 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
3591 g_object_notify (G_OBJECT (view), "has-selection");
3593 new_list_ptr = new_list;
3594 old_list_ptr = old_list;
3596 while (new_list_ptr || old_list_ptr) {
3597 EvViewSelection *old_sel, *new_sel;
3599 GdkRegion *region = NULL;
3601 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
3602 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
3604 /* Assume that the lists are in order, and we run through them
3605 * comparing them, one page at a time. We come out with the
3606 * first page we see. */
3607 if (new_sel && old_sel) {
3608 if (new_sel->page < old_sel->page) {
3609 new_list_ptr = new_list_ptr->next;
3611 } else if (new_sel->page > old_sel->page) {
3612 old_list_ptr = old_list_ptr->next;
3615 new_list_ptr = new_list_ptr->next;
3616 old_list_ptr = old_list_ptr->next;
3618 } else if (new_sel) {
3619 new_list_ptr = new_list_ptr->next;
3620 } else if (old_sel) {
3621 old_list_ptr = old_list_ptr->next;
3624 g_assert (new_sel || old_sel);
3626 /* is the page we're looking at on the screen?*/
3627 cur_page = new_sel ? new_sel->page : old_sel->page;
3628 if (cur_page < view->start_page || cur_page > view->end_page)
3631 /* seed the cache with a new page. We are going to need the new
3634 GdkRegion *tmp_region = NULL;
3635 ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
3640 new_sel->covered_region = gdk_region_copy (tmp_region);
3644 /* Now we figure out what needs redrawing */
3645 if (old_sel && new_sel) {
3646 if (old_sel->covered_region &&
3647 new_sel->covered_region) {
3648 /* We only want to redraw the areas that have
3649 * changed, so we xor the old and new regions
3650 * and redraw if it's different */
3651 region = gdk_region_copy (old_sel->covered_region);
3652 gdk_region_xor (region, new_sel->covered_region);
3653 if (gdk_region_empty (region)) {
3654 gdk_region_destroy (region);
3657 } else if (old_sel->covered_region) {
3658 region = gdk_region_copy (old_sel->covered_region);
3659 } else if (new_sel->covered_region) {
3660 region = gdk_region_copy (new_sel->covered_region);
3662 } else if (old_sel && !new_sel) {
3663 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
3664 region = gdk_region_copy (old_sel->covered_region);
3666 } else if (!old_sel && new_sel) {
3667 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
3668 region = gdk_region_copy (new_sel->covered_region);
3671 g_assert_not_reached ();
3674 /* Redraw the damaged region! */
3676 GdkRectangle page_area;
3679 get_page_extents (view, cur_page, &page_area, &border);
3680 gdk_region_offset (region,
3681 page_area.x + border.left - view->scroll_x,
3682 page_area.y + border.top - view->scroll_y);
3683 gdk_window_invalidate_region (GTK_WIDGET (view)->window, region, TRUE);
3684 gdk_region_destroy (region);
3688 /* Free the old list, now that we're done with it. */
3689 g_list_foreach (old_list, (GFunc) selection_free, NULL);
3693 compute_selections (EvView *view,
3699 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
3700 list = compute_new_selection_rect (view, start, stop);
3702 list = compute_new_selection_text (view, start, stop);
3703 merge_selection_region (view, list);
3706 /* Free's the selection. It's up to the caller to queue redraws if needed.
3709 selection_free (EvViewSelection *selection)
3711 if (selection->covered_region)
3712 gdk_region_destroy (selection->covered_region);
3717 clear_selection (EvView *view)
3719 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
3720 view->selection_info.selections = NULL;
3721 view->selection_info.in_selection = FALSE;
3722 g_object_notify (G_OBJECT (view), "has-selection");
3727 ev_view_select_all (EvView *view)
3731 /* Disable selection on rotated pages for the 0.4.0 series */
3732 if (view->rotation != 0)
3735 clear_selection (view);
3737 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3738 for (i = 0; i < n_pages; i++) {
3740 EvViewSelection *selection;
3742 ev_page_cache_get_size (view->page_cache,
3745 1.0, &width, &height);
3747 selection = g_new0 (EvViewSelection, 1);
3748 selection->page = i;
3749 selection->rect.x1 = selection->rect.y1 = 0;
3750 selection->rect.x2 = width;
3751 selection->rect.y2 = height;
3753 view->selection_info.selections = g_list_append (view->selection_info.selections, selection);
3756 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, view->selection_info.selections);
3757 g_object_notify (G_OBJECT (view), "has-selection");
3758 gtk_widget_queue_draw (GTK_WIDGET (view));
3762 ev_view_get_has_selection (EvView *view)
3764 return view->selection_info.selections != NULL;
3768 get_selected_text (EvView *ev_view)
3773 text = g_string_new (NULL);
3775 ev_document_doc_mutex_lock ();
3777 for (l = ev_view->selection_info.selections; l != NULL; l = l->next) {
3778 EvViewSelection *selection = (EvViewSelection *)l->data;
3781 tmp = ev_document_get_text (ev_view->document,
3784 g_string_append (text, tmp);
3788 ev_document_doc_mutex_unlock ();
3790 return g_string_free (text, FALSE);
3794 ev_view_copy (EvView *ev_view)
3796 GtkClipboard *clipboard;
3799 if (!ev_document_can_get_text (ev_view->document)) {
3803 text = get_selected_text (ev_view);
3804 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
3805 GDK_SELECTION_CLIPBOARD);
3806 gtk_clipboard_set_text (clipboard, text, -1);
3811 ev_view_primary_get_cb (GtkClipboard *clipboard,
3812 GtkSelectionData *selection_data,
3816 EvView *ev_view = EV_VIEW (data);
3819 if (!ev_document_can_get_text (ev_view->document)) {
3823 text = get_selected_text (ev_view);
3824 gtk_selection_data_set_text (selection_data, text, -1);
3829 ev_view_primary_clear_cb (GtkClipboard *clipboard,
3832 EvView *view = EV_VIEW (data);
3834 clear_selection (view);
3838 ev_view_update_primary_selection (EvView *ev_view)
3840 GtkClipboard *clipboard;
3842 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
3843 GDK_SELECTION_PRIMARY);
3845 if (ev_view->selection_info.selections) {
3846 if (!gtk_clipboard_set_with_owner (clipboard,
3848 G_N_ELEMENTS (targets),
3849 ev_view_primary_get_cb,
3850 ev_view_primary_clear_cb,
3851 G_OBJECT (ev_view)))
3852 ev_view_primary_clear_cb (clipboard, ev_view);
3854 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
3855 gtk_clipboard_clear (clipboard);
3859 /*** Cursor operations ***/
3862 ev_view_create_invisible_cursor(void)
3865 GdkColor black = { 0, 0, 0, 0 };
3866 static char bits[] = { 0x00 };
3868 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
3870 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
3874 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
3876 GdkCursor *cursor = NULL;
3877 GdkDisplay *display;
3880 if (view->cursor == new_cursor) {
3884 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
3885 display = gtk_widget_get_display (widget);
3886 view->cursor = new_cursor;
3888 switch (new_cursor) {
3889 case EV_VIEW_CURSOR_NORMAL:
3890 gdk_window_set_cursor (widget->window, NULL);
3892 case EV_VIEW_CURSOR_IBEAM:
3893 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
3895 case EV_VIEW_CURSOR_LINK:
3896 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
3898 case EV_VIEW_CURSOR_WAIT:
3899 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
3901 case EV_VIEW_CURSOR_HIDDEN:
3902 cursor = ev_view_create_invisible_cursor ();
3904 case EV_VIEW_CURSOR_DRAG:
3905 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
3910 gdk_window_set_cursor (widget->window, cursor);
3911 gdk_cursor_unref (cursor);
3917 ev_view_hide_cursor (EvView *view)
3919 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
3923 ev_view_show_cursor (EvView *view)
3925 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
3929 ev_view_next_page (EvView *view)
3933 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3935 page = ev_page_cache_get_current_page (view->page_cache);
3936 page = ev_view_get_dual_page (view) ? page + 2 : page + 1;
3938 if (page < ev_page_cache_get_n_pages (view->page_cache)) {
3939 ev_page_cache_set_current_page (view->page_cache, page);
3947 ev_view_previous_page (EvView *view)
3951 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3953 page = ev_page_cache_get_current_page (view->page_cache);
3954 page = ev_view_get_dual_page (view) ? page - 2 : page - 1;
3957 ev_page_cache_set_current_page (view->page_cache, page);
3964 /*** Enum description for usage in signal ***/
3967 ev_sizing_mode_get_type (void)
3969 static GType etype = 0;
3971 static const GEnumValue values[] = {
3972 { EV_SIZING_FIT_WIDTH, "EV_SIZING_FIT_WIDTH", "fit-width" },
3973 { EV_SIZING_BEST_FIT, "EV_SIZING_BEST_FIT", "best-fit" },
3974 { EV_SIZING_FREE, "EV_SIZING_FREE", "free" },
3977 etype = g_enum_register_static ("EvSizingMode", values);