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_button_press_event (GtkWidget *widget,
183 GdkEventButton *event);
184 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
185 GdkEventMotion *event);
186 static gboolean ev_view_button_release_event (GtkWidget *widget,
187 GdkEventButton *event);
188 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
189 GdkEventCrossing *event);
190 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
191 GdkEventCrossing *event);
192 static void ev_view_style_set (GtkWidget *widget,
193 GtkStyle *old_style);
195 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
198 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
199 static void draw_rubberband (GtkWidget *widget,
201 const GdkRectangle *rect,
203 static void highlight_find_results (EvView *view,
205 static void draw_one_page (EvView *view,
207 GdkRectangle *page_area,
209 GdkRectangle *expose_area);
212 static void find_changed_cb (EvDocument *document,
215 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
217 static void page_changed_cb (EvPageCache *page_cache,
220 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
224 static void ev_view_finalize (GObject *object);
225 static void ev_view_destroy (GtkObject *object);
226 static void ev_view_set_property (GObject *object,
230 static void ev_view_get_property (GObject *object,
234 static void ev_view_class_init (EvViewClass *class);
235 static void ev_view_init (EvView *view);
237 /*** Zoom and sizing ***/
238 static double zoom_for_size_fit_width (int doc_width,
243 static double zoom_for_size_fit_height (int doc_width,
248 static double zoom_for_size_best_fit (int doc_width,
254 static void ev_view_zoom_for_size_presentation (EvView *view,
257 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
262 static void ev_view_zoom_for_size_continuous (EvView *view,
267 static void ev_view_zoom_for_size_dual_page (EvView *view,
272 static void ev_view_zoom_for_size_single_page (EvView *view,
278 static GdkCursor* ev_view_create_invisible_cursor (void);
279 static void ev_view_set_cursor (EvView *view,
280 EvViewCursor new_cursor);
282 /*** Status messages ***/
283 static void ev_view_set_status (EvView *view,
284 const char *message);
285 static void update_find_status_message (EvView *view);
286 static void ev_view_set_find_status (EvView *view,
287 const char *message);
289 static void jump_to_find_result (EvView *view);
290 static void jump_to_find_page (EvView *view,
291 EvViewFindDirection direction);
294 static void compute_selections (EvView *view,
297 static void clear_selection (EvView *view);
298 static void selection_free (EvViewSelection *selection);
299 static char* get_selected_text (EvView *ev_view);
300 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
301 GtkSelectionData *selection_data,
304 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
306 static void ev_view_update_primary_selection (EvView *ev_view);
309 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_WIDGET)
312 scroll_to_current_page (EvView *view, GtkOrientation orientation)
316 if (view->document == NULL) {
320 doc_point_to_view_point (view, view->current_page, &view->pending_point, &view_point);
322 if (orientation == GTK_ORIENTATION_VERTICAL) {
323 view->pending_point.y = 0;
325 view->pending_point.x = 0;
328 if (orientation == GTK_ORIENTATION_VERTICAL) {
329 if (view->continuous) {
330 gtk_adjustment_clamp_page (view->vadjustment,
331 view_point.y - view->spacing,
332 view_point.y + view->vadjustment->page_size);
334 gtk_adjustment_set_value (view->vadjustment,
338 if (view->dual_page) {
339 gtk_adjustment_clamp_page (view->hadjustment,
341 view_point.x + view->hadjustment->page_size);
343 gtk_adjustment_set_value (view->hadjustment,
345 view->hadjustment->lower,
346 view->hadjustment->upper -
347 view->hadjustment->page_size));
353 view_set_adjustment_values (EvView *view,
354 GtkOrientation orientation)
356 GtkWidget *widget = GTK_WIDGET (view);
357 GtkAdjustment *adjustment;
364 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
365 requisition = widget->requisition.width;
366 allocation = widget->allocation.width;
367 adjustment = view->hadjustment;
369 requisition = widget->requisition.height;
370 allocation = widget->allocation.height;
371 adjustment = view->vadjustment;
378 switch (view->pending_scroll) {
379 case SCROLL_TO_KEEP_POSITION:
380 factor = (adjustment->value) / adjustment->upper;
382 case SCROLL_TO_PAGE_POSITION:
384 case SCROLL_TO_CENTER:
385 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
389 adjustment->page_size = allocation;
390 adjustment->step_increment = allocation * 0.1;
391 adjustment->page_increment = allocation * 0.9;
392 adjustment->lower = 0;
393 adjustment->upper = MAX (allocation, requisition);
396 * We add 0.5 to the values before to average out our rounding errors.
398 switch (view->pending_scroll) {
399 case SCROLL_TO_KEEP_POSITION:
400 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
401 gtk_adjustment_set_value (adjustment, (int)new_value);
403 case SCROLL_TO_PAGE_POSITION:
404 scroll_to_current_page (view, orientation);
406 case SCROLL_TO_CENTER:
407 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
408 0, adjustment->upper - adjustment->page_size);
409 gtk_adjustment_set_value (adjustment, (int)new_value);
413 gtk_adjustment_changed (adjustment);
417 view_update_range_and_current_page (EvView *view)
419 if (view->pending_scroll != SCROLL_TO_KEEP_POSITION)
422 /* Presentation trumps all other modes */
423 if (view->presentation) {
424 view->start_page = view->current_page;
425 view->end_page = view->current_page;
426 } else if (view->continuous) {
427 GdkRectangle current_area, unused, page_area;
430 gboolean found = FALSE;
433 if (!(view->vadjustment && view->hadjustment))
436 current_area.x = view->hadjustment->value;
437 current_area.width = view->hadjustment->upper;
438 current_area.y = view->vadjustment->value;
439 current_area.height = view->vadjustment->page_size;
441 for (i = 0; i < ev_page_cache_get_n_pages (view->page_cache); i++) {
443 get_page_extents (view, i, &page_area, &border);
445 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
447 view->start_page = i;
457 current_page = ev_page_cache_get_current_page (view->page_cache);
459 if (current_page < view->start_page || current_page > view->end_page) {
460 view->current_page = view->start_page;
461 ev_page_cache_set_current_page (view->page_cache, view->start_page);
464 if (view->dual_page) {
465 if (view->current_page % 2 == 0) {
466 view->start_page = view->current_page;
467 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache))
468 view->end_page = view->start_page + 1;
470 view->end_page = view->start_page;
472 view->start_page = view->current_page - 1;
473 view->end_page = view->current_page;
476 view->start_page = view->current_page;
477 view->end_page = view->current_page;
481 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
486 view->selection_info.selections);
490 set_scroll_adjustment (EvView *view,
491 GtkOrientation orientation,
492 GtkAdjustment *adjustment)
494 GtkAdjustment **to_set;
496 if (orientation == GTK_ORIENTATION_HORIZONTAL)
497 to_set = &view->hadjustment;
499 to_set = &view->vadjustment;
501 if (*to_set != adjustment) {
503 g_signal_handlers_disconnect_by_func (*to_set,
504 (gpointer) on_adjustment_value_changed,
506 g_object_unref (*to_set);
509 *to_set = adjustment;
510 view_set_adjustment_values (view, orientation);
513 g_object_ref (*to_set);
514 g_signal_connect (*to_set, "value_changed",
515 G_CALLBACK (on_adjustment_value_changed), view);
521 ev_view_set_scroll_adjustments (EvView *view,
522 GtkAdjustment *hadjustment,
523 GtkAdjustment *vadjustment)
525 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
526 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
528 on_adjustment_value_changed (NULL, view);
532 add_scroll_binding_keypad (GtkBindingSet *binding_set,
534 GtkScrollType scroll,
537 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
539 gtk_binding_entry_add_signal (binding_set, keyval, 0,
540 "binding_activated", 2,
541 GTK_TYPE_SCROLL_TYPE, scroll,
542 G_TYPE_BOOLEAN, horizontal);
543 gtk_binding_entry_add_signal (binding_set, keypad_keyval, 0,
544 "binding_activated", 2,
545 GTK_TYPE_SCROLL_TYPE, scroll,
546 G_TYPE_BOOLEAN, horizontal);
550 ev_view_scroll (EvView *view,
553 GtkAdjustment *adjustment;
554 double value, increment;
555 gboolean first_page = FALSE;
556 gboolean last_page = FALSE;
558 /* Assign values for increment and vertical adjustment */
559 adjustment = view->vadjustment;
560 increment = adjustment->page_size * 0.75;
561 value = adjustment->value;
563 /* Assign boolean for first and last page */
564 if (view->current_page == 0)
566 if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1)
570 case EV_SCROLL_PAGE_BACKWARD:
571 /* Do not jump backwards if at the first page */
572 if (value == (adjustment->lower) && first_page) {
574 /* At the top of a page, assign the upper bound limit of previous page */
575 } else if (value == (adjustment->lower)) {
576 value = adjustment->upper - adjustment->page_size;
577 ev_page_cache_set_current_page (view->page_cache, view->current_page - 1);
578 /* Jump to the top */
580 value = MAX (value - increment, adjustment->lower);
583 case EV_SCROLL_PAGE_FORWARD:
584 /* Do not jump forward if at the last page */
585 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
587 /* At the bottom of a page, assign the lower bound limit of next page */
588 } else if (value == (adjustment->upper - adjustment->page_size)) {
590 ev_page_cache_set_current_page (view->page_cache, view->current_page + 1);
591 /* Jump to the bottom */
593 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
600 gtk_adjustment_set_value (adjustment, value);
604 ev_view_binding_activated (EvView *view,
605 GtkScrollType scroll,
608 GtkAdjustment *adjustment;
611 if (view->presentation) {
613 case GTK_SCROLL_STEP_BACKWARD:
614 ev_view_previous_page (view);
616 case GTK_SCROLL_STEP_FORWARD:
617 ev_view_next_page (view);
626 adjustment = view->hadjustment;
628 adjustment = view->vadjustment;
631 value = adjustment->value;
634 case GTK_SCROLL_STEP_BACKWARD:
635 value -= adjustment->step_increment;
637 case GTK_SCROLL_STEP_FORWARD:
638 value += adjustment->step_increment;
644 value = CLAMP (value, adjustment->lower,
645 adjustment->upper - adjustment->page_size);
647 gtk_adjustment_set_value (adjustment, value);
653 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
655 GtkWidget *widget = GTK_WIDGET (view);
656 GtkAdjustment *adjustment;
659 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
661 adjustment = view->vadjustment;
663 if (rect->y < adjustment->value) {
664 value = MAX (adjustment->lower, rect->y - MARGIN);
665 gtk_adjustment_set_value (view->vadjustment, value);
666 } else if (rect->y + rect->height >
667 adjustment->value + widget->allocation.height) {
668 value = MIN (adjustment->upper, rect->y + rect->height -
669 widget->allocation.height + MARGIN);
670 gtk_adjustment_set_value (view->vadjustment, value);
673 adjustment = view->hadjustment;
675 if (rect->x < adjustment->value) {
676 value = MAX (adjustment->lower, rect->x - MARGIN);
677 gtk_adjustment_set_value (view->hadjustment, value);
678 } else if (rect->x + rect->height >
679 adjustment->value + widget->allocation.width) {
680 value = MIN (adjustment->upper, rect->x + rect->width -
681 widget->allocation.width + MARGIN);
682 gtk_adjustment_set_value (view->hadjustment, value);
686 /*** Geometry computations ***/
689 compute_border (EvView *view, int width, int height, GtkBorder *border)
691 if (view->presentation) {
697 ev_document_misc_get_page_border_size (width, height, border);
702 get_page_y_offset (EvView *view, int page, double zoom, int *y_offset)
704 int max_width, offset;
707 g_return_if_fail (y_offset != NULL);
709 ev_page_cache_get_max_width (view->page_cache, view->rotation, zoom, &max_width);
711 compute_border (view, max_width, max_width, &border);
713 if (view->dual_page) {
714 ev_page_cache_get_height_to_page (view->page_cache, page,
715 view->rotation, zoom, NULL, &offset);
716 offset += (page / 2 + 1) * view->spacing + (page / 2) * (border.top + border.bottom);
718 ev_page_cache_get_height_to_page (view->page_cache, page,
719 view->rotation, zoom, &offset, NULL);
720 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
728 get_page_extents (EvView *view,
730 GdkRectangle *page_area,
736 widget = GTK_WIDGET (view);
738 /* Get the size of the page */
739 ev_page_cache_get_size (view->page_cache, page,
743 compute_border (view, width, height, border);
744 page_area->width = width + border->left + border->right;
745 page_area->height = height + border->top + border->bottom;
747 if (view->presentation) {
748 page_area->x = (MAX (0, widget->allocation.width - width))/2;
749 page_area->y = (MAX (0, widget->allocation.height - height))/2;
750 } else if (view->continuous) {
754 ev_page_cache_get_max_width (view->page_cache, view->rotation,
755 view->scale, &max_width);
756 max_width = max_width + border->left + border->right;
757 /* Get the location of the bounding box */
758 if (view->dual_page) {
759 x = view->spacing + (page % 2) * (max_width + view->spacing);
760 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
762 x = x + (max_width - width - border->left - border->right);
765 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
768 get_page_y_offset (view, page, view->scale, &y);
774 if (view->dual_page) {
775 gint width_2, height_2;
776 gint max_width = width;
777 gint max_height = height;
778 GtkBorder overall_border;
781 other_page = page ^ 1;
783 /* First, we get the bounding box of the two pages */
784 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
785 ev_page_cache_get_size (view->page_cache,
789 &width_2, &height_2);
792 if (height_2 > height)
793 max_height = height_2;
795 compute_border (view, max_width, max_height, &overall_border);
797 /* Find the offsets */
801 /* Adjust for being the left or right page */
803 x = x + max_width - width;
805 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
807 y = y + (max_height - height)/2;
809 /* Adjust for extra allocation */
810 x = x + MAX (0, widget->allocation.width -
811 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
812 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
817 /* Adjust for extra allocation */
818 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
819 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
830 view_point_to_doc_point (EvView *view,
831 GdkPoint *view_point,
832 GdkRectangle *page_area,
836 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
837 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
841 view_rect_to_doc_rect (EvView *view,
842 GdkRectangle *view_rect,
843 GdkRectangle *page_area,
844 EvRectangle *doc_rect)
846 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
847 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
848 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
849 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
853 doc_point_to_view_point (EvView *view,
856 GdkPoint *view_point)
858 GdkRectangle page_area;
860 double x, y, view_x, view_y;
863 ev_page_cache_get_size (view->page_cache, page,
868 if (view->rotation == 0) {
871 } else if (view->rotation == 90) {
872 x = width - doc_point->y;
874 } else if (view->rotation == 180) {
875 x = width - doc_point->x;
876 y = height - doc_point->y;
877 } else if (view->rotation == 270) {
879 y = height - doc_point->x;
881 g_assert_not_reached ();
884 get_page_extents (view, page, &page_area, &border);
886 view_x = x * view->scale;
887 view_y = y * view->scale;
888 view_point->x = view_x + page_area.x;
889 view_point->y = view_y + page_area.y;
891 return (view_x > 0 && view_x <= page_area.width &&
892 view_y > 0 && view_y <= page_area.height);
896 doc_rect_to_view_rect (EvView *view,
898 EvRectangle *doc_rect,
899 GdkRectangle *view_rect)
901 GdkRectangle page_area;
906 ev_page_cache_get_size (view->page_cache, page,
911 if (view->rotation == 0) {
914 w = doc_rect->x2 - doc_rect->x1;
915 h = doc_rect->y2 - doc_rect->y1;
916 } else if (view->rotation == 90) {
917 x = width - doc_rect->y2;
919 w = doc_rect->y2 - doc_rect->y1;
920 h = doc_rect->x2 - doc_rect->x1;
921 } else if (view->rotation == 180) {
922 x = width - doc_rect->x2;
923 y = height - doc_rect->y2;
924 w = doc_rect->x2 - doc_rect->x1;
925 h = doc_rect->y2 - doc_rect->y1;
926 } else if (view->rotation == 270) {
928 y = height - doc_rect->x2;
929 w = doc_rect->y2 - doc_rect->y1;
930 h = doc_rect->x2 - doc_rect->x1;
932 g_assert_not_reached ();
935 get_page_extents (view, page, &page_area, &border);
937 view_rect->x = x * view->scale + page_area.x;
938 view_rect->y = y * view->scale + page_area.y;
939 view_rect->width = w * view->scale;
940 view_rect->height = h * view->scale;
944 find_page_at_location (EvView *view,
953 if (view->document == NULL)
960 for (i = view->start_page; i <= view->end_page; i++) {
961 GdkRectangle page_area;
964 if (! get_page_extents (view, i, &page_area, &border))
967 if ((x >= page_area.x + border.left) &&
968 (x < page_area.x + page_area.width - border.right) &&
969 (y >= page_area.y + border.top) &&
970 (y < page_area.y + page_area.height - border.bottom)) {
972 *x_offset = x - (page_area.x + border.left);
973 *y_offset = y - (page_area.y + border.top);
982 location_in_text (EvView *view,
988 gint x_offset = 0, y_offset = 0;
990 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
995 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
998 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1004 ev_view_get_width (EvView *view)
1006 return GTK_WIDGET (view)->allocation.width;
1010 ev_view_get_height (EvView *view)
1012 return GTK_WIDGET (view)->allocation.height;
1016 location_in_selected_text (EvView *view,
1021 gint x_offset = 0, y_offset = 0;
1022 EvViewSelection *selection;
1025 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1026 selection = (EvViewSelection *)l->data;
1028 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1030 if (page != selection->page)
1033 if (selection->covered_region &&
1034 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1043 ev_view_get_link_at_location (EvView *view,
1048 gint x_offset = 0, y_offset = 0;
1049 GList *link_mapping;
1051 x += view->scroll_x;
1052 y += view->scroll_y;
1054 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1059 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1062 return ev_link_mapping_find (link_mapping, x_offset / view->scale, y_offset / view->scale);
1068 goto_fitr_link (EvView *view, EvLink *link)
1074 zoom = zoom_for_size_best_fit (ev_link_get_right (link) - ev_link_get_left (link),
1075 ev_link_get_top (link) - ev_link_get_bottom (link),
1076 ev_view_get_width (view),
1077 ev_view_get_height (view), 0, 0);
1079 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1080 ev_view_set_zoom (view, zoom, FALSE);
1082 page = ev_link_get_page (link);
1083 doc_point.x = ev_link_get_left (link);
1084 doc_point.y = ev_link_get_top (link);
1086 view->current_page = page;
1087 view->pending_point = doc_point;
1088 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1090 gtk_widget_queue_resize (GTK_WIDGET (view));
1094 goto_fitv_link (EvView *view, EvLink *link)
1097 int doc_width, doc_height, page;
1100 page = ev_link_get_page (link);
1101 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1103 doc_point.x = ev_link_get_left (link);
1106 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1107 ev_view_get_width (view),
1108 ev_view_get_height (view), 0);
1110 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1111 ev_view_set_zoom (view, zoom, FALSE);
1113 view->current_page = page;
1114 view->pending_point = doc_point;
1115 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1117 gtk_widget_queue_resize (GTK_WIDGET (view));
1121 goto_fith_link (EvView *view, EvLink *link)
1124 int doc_width, doc_height, page;
1127 page = ev_link_get_page (link);
1128 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1131 doc_point.y = doc_height - ev_link_get_top (link);
1133 zoom = zoom_for_size_fit_width (doc_width, ev_link_get_top (link),
1134 ev_view_get_width (view),
1135 ev_view_get_height (view), 0);
1137 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1138 ev_view_set_zoom (view, zoom, FALSE);
1140 view->current_page = page;
1141 view->pending_point = doc_point;
1142 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1144 gtk_widget_queue_resize (GTK_WIDGET (view));
1148 goto_fit_link (EvView *view, EvLink *link)
1151 int doc_width, doc_height;
1154 page = ev_link_get_page (link);
1155 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1157 zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view),
1158 ev_view_get_height (view), 0, 0);
1160 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1161 ev_view_set_zoom (view, zoom, FALSE);
1163 view->current_page = page;
1164 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1166 gtk_widget_queue_resize (GTK_WIDGET (view));
1170 goto_xyz_link (EvView *view, EvLink *link)
1176 zoom = ev_link_get_zoom (link);
1177 page = ev_link_get_page (link);
1178 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, NULL, &height);
1181 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1182 ev_view_set_zoom (view, zoom, FALSE);
1185 doc_point.x = ev_link_get_left (link);
1186 doc_point.y = height - ev_link_get_top (link);
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 ev_view_goto_link (EvView *view, EvLink *link)
1201 type = ev_link_get_link_type (link);
1204 case EV_LINK_TYPE_TITLE:
1206 case EV_LINK_TYPE_PAGE:
1207 page = ev_link_get_page (link);
1208 ev_page_cache_set_current_page (view->page_cache, page);
1210 case EV_LINK_TYPE_PAGE_FIT:
1211 goto_fit_link (view, link);
1213 case EV_LINK_TYPE_PAGE_FITH:
1214 goto_fith_link (view, link);
1216 case EV_LINK_TYPE_PAGE_FITV:
1217 goto_fitv_link (view, link);
1219 case EV_LINK_TYPE_PAGE_FITR:
1220 goto_fitr_link (view, link);
1222 case EV_LINK_TYPE_PAGE_XYZ:
1223 goto_xyz_link (view, link);
1225 case EV_LINK_TYPE_EXTERNAL_URI:
1226 case EV_LINK_TYPE_LAUNCH:
1227 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, link);
1233 tip_from_link (EvView *view, EvLink *link)
1239 type = ev_link_get_link_type (link);
1242 case EV_LINK_TYPE_TITLE:
1243 if (ev_link_get_title (link))
1244 msg = g_strdup (ev_link_get_title (link));
1246 case EV_LINK_TYPE_PAGE:
1247 case EV_LINK_TYPE_PAGE_XYZ:
1248 page_label = ev_page_cache_get_page_label (view->page_cache, ev_link_get_page (link));
1249 msg = g_strdup_printf (_("Go to page %s"), page_label);
1250 g_free (page_label);
1252 case EV_LINK_TYPE_EXTERNAL_URI:
1253 msg = g_strdup (ev_link_get_uri (link));
1263 handle_link_over_xy (EvView *view, gint x, gint y)
1267 link = ev_view_get_link_at_location (view, x, y);
1269 if (view->link_tooltip == NULL) {
1270 view->link_tooltip = ev_tooltip_new (GTK_WIDGET (view));
1273 if (view->hovered_link != link) {
1274 view->hovered_link = link;
1275 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
1279 char *msg = tip_from_link (view, link);
1281 if (msg && g_utf8_validate (msg, -1, NULL)) {
1282 EvTooltip *tooltip = EV_TOOLTIP (view->link_tooltip);
1284 ev_tooltip_set_position (tooltip, x, y);
1285 ev_tooltip_set_text (tooltip, msg);
1286 ev_tooltip_activate (tooltip);
1290 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1291 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1292 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1294 ev_view_set_status (view, NULL);
1295 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1296 view->cursor == EV_VIEW_CURSOR_IBEAM)
1297 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1302 /*** GtkWidget implementation ***/
1305 ev_view_size_request_continuous_dual_page (EvView *view,
1306 GtkRequisition *requisition)
1312 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1313 view->scale, &max_width);
1314 compute_border (view, max_width, max_width, &border);
1316 n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1;
1318 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
1319 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1321 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1322 requisition->width = 1;
1323 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1324 requisition->width = 1;
1325 /* FIXME: This could actually be set on one page docs or docs
1326 * with a strange aspect ratio. */
1327 /* requisition->height = 1;*/
1332 ev_view_size_request_continuous (EvView *view,
1333 GtkRequisition *requisition)
1340 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1341 view->scale, &max_width);
1342 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1343 compute_border (view, max_width, max_width, &border);
1345 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
1346 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1348 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1349 requisition->width = 1;
1350 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1351 requisition->width = 1;
1352 /* FIXME: This could actually be set on one page docs or docs
1353 * with a strange aspect ratio. */
1354 /* requisition->height = 1;*/
1359 ev_view_size_request_dual_page (EvView *view,
1360 GtkRequisition *requisition)
1365 /* Find the largest of the two. */
1366 ev_page_cache_get_size (view->page_cache,
1371 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) {
1372 gint width_2, height_2;
1373 ev_page_cache_get_size (view->page_cache,
1374 view->current_page + 1,
1377 &width_2, &height_2);
1378 if (width_2 > width) {
1383 compute_border (view, width, height, &border);
1385 requisition->width = ((width + border.left + border.right) * 2) +
1386 (view->spacing * 3);
1387 requisition->height = (height + border.top + border.bottom) +
1388 (view->spacing * 2);
1390 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1391 requisition->width = 1;
1392 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1393 requisition->width = 1;
1394 requisition->height = 1;
1399 ev_view_size_request_single_page (EvView *view,
1400 GtkRequisition *requisition)
1405 ev_page_cache_get_size (view->page_cache,
1410 compute_border (view, width, height, &border);
1412 requisition->width = width + border.left + border.right + (2 * view->spacing);
1413 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1415 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1416 requisition->width = 1;
1417 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1418 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1419 requisition->width = 1;
1420 requisition->height = 1;
1425 ev_view_size_request (GtkWidget *widget,
1426 GtkRequisition *requisition)
1428 EvView *view = EV_VIEW (widget);
1430 if (view->document == NULL) {
1431 requisition->width = 1;
1432 requisition->height = 1;
1436 if (view->presentation) {
1437 requisition->width = 1;
1438 requisition->height = 1;
1442 if (view->continuous && view->dual_page)
1443 ev_view_size_request_continuous_dual_page (view, requisition);
1444 else if (view->continuous)
1445 ev_view_size_request_continuous (view, requisition);
1446 else if (view->dual_page)
1447 ev_view_size_request_dual_page (view, requisition);
1449 ev_view_size_request_single_page (view, requisition);
1453 ev_view_size_allocate (GtkWidget *widget,
1454 GtkAllocation *allocation)
1456 EvView *view = EV_VIEW (widget);
1458 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
1459 view->sizing_mode == EV_SIZING_BEST_FIT) {
1461 g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0);
1463 ev_view_size_request (widget, &widget->requisition);
1466 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
1467 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
1469 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
1470 view->pending_resize = FALSE;
1473 view_update_range_and_current_page (view);
1475 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
1479 ev_view_realize (GtkWidget *widget)
1481 EvView *view = EV_VIEW (widget);
1482 GdkWindowAttr attributes;
1484 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
1487 attributes.window_type = GDK_WINDOW_CHILD;
1488 attributes.wclass = GDK_INPUT_OUTPUT;
1489 attributes.visual = gtk_widget_get_visual (widget);
1490 attributes.colormap = gtk_widget_get_colormap (widget);
1492 attributes.x = widget->allocation.x;
1493 attributes.y = widget->allocation.y;
1494 attributes.width = widget->allocation.width;
1495 attributes.height = widget->allocation.height;
1496 attributes.event_mask = GDK_EXPOSURE_MASK |
1497 GDK_BUTTON_PRESS_MASK |
1498 GDK_BUTTON_RELEASE_MASK |
1500 GDK_KEY_PRESS_MASK |
1501 GDK_POINTER_MOTION_MASK |
1502 GDK_POINTER_MOTION_HINT_MASK |
1503 GDK_ENTER_NOTIFY_MASK |
1504 GDK_LEAVE_NOTIFY_MASK;
1506 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
1508 GDK_WA_X | GDK_WA_Y |
1511 gdk_window_set_user_data (widget->window, widget);
1512 widget->style = gtk_style_attach (widget->style, widget->window);
1514 if (view->presentation)
1515 gdk_window_set_background (widget->window, &widget->style->black);
1517 gdk_window_set_background (widget->window, &widget->style->mid [GTK_STATE_NORMAL]);
1521 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
1523 EvView *view = EV_VIEW (widget);
1526 state = event->state & gtk_accelerator_get_default_mod_mask ();
1528 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
1529 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1531 if (event->direction == GDK_SCROLL_UP ||
1532 event->direction == GDK_SCROLL_LEFT) {
1533 if (ev_view_can_zoom_in (view)) {
1534 ev_view_zoom_in (view);
1537 if (ev_view_can_zoom_out (view)) {
1538 ev_view_zoom_out (view);
1545 /* Shift+Wheel scrolls the in the perpendicular direction */
1546 if (state & GDK_SHIFT_MASK) {
1547 if (event->direction == GDK_SCROLL_UP)
1548 event->direction = GDK_SCROLL_LEFT;
1549 if (event->direction == GDK_SCROLL_LEFT)
1550 event->direction = GDK_SCROLL_UP;
1551 if (event->direction == GDK_SCROLL_DOWN)
1552 event->direction = GDK_SCROLL_RIGHT;
1553 if (event->direction == GDK_SCROLL_RIGHT)
1554 event->direction = GDK_SCROLL_DOWN;
1556 event->state &= ~GDK_SHIFT_MASK;
1557 state &= ~GDK_SHIFT_MASK;
1560 if (state == 0 && view->presentation) {
1561 switch (event->direction) {
1562 case GDK_SCROLL_DOWN:
1563 case GDK_SCROLL_RIGHT:
1564 ev_view_next_page (view);
1567 case GDK_SCROLL_LEFT:
1568 ev_view_previous_page (view);
1578 static EvViewSelection *
1579 find_selection_for_page (EvView *view,
1584 for (list = view->selection_info.selections; list != NULL; list = list->next) {
1585 EvViewSelection *selection;
1587 selection = (EvViewSelection *) list->data;
1589 if (selection->page == page)
1597 ev_view_expose_event (GtkWidget *widget,
1598 GdkEventExpose *event)
1600 EvView *view = EV_VIEW (widget);
1603 if (view->document == NULL)
1606 for (i = view->start_page; i <= view->end_page; i++) {
1607 GdkRectangle page_area;
1610 if (!get_page_extents (view, i, &page_area, &border))
1613 page_area.x -= view->scroll_x;
1614 page_area.y -= view->scroll_y;
1616 draw_one_page (view, i, &page_area, &border, &(event->area));
1618 if (EV_IS_DOCUMENT_FIND (view->document))
1619 highlight_find_results (view, i);
1626 ev_view_button_press_event (GtkWidget *widget,
1627 GdkEventButton *event)
1629 EvView *view = EV_VIEW (widget);
1632 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
1633 gtk_widget_grab_focus (widget);
1636 view->pressed_button = event->button;
1637 view->selection_info.in_drag = FALSE;
1639 switch (event->button) {
1641 if (view->selection_info.selections) {
1642 if (location_in_selected_text (view,
1643 event->x + view->scroll_x,
1644 event->y + view->scroll_y)) {
1645 view->selection_info.in_drag = TRUE;
1647 clear_selection (view);
1650 gtk_widget_queue_draw (widget);
1653 view->selection_info.start.x = event->x + view->scroll_x;
1654 view->selection_info.start.y = event->y + view->scroll_y;
1658 /* use root coordinates as reference point because
1659 * scrolling changes window relative coordinates */
1660 view->drag_info.start.x = event->x_root;
1661 view->drag_info.start.y = event->y_root;
1662 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
1663 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
1665 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1669 link = ev_view_get_link_at_location (view, event->x, event->y);
1670 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
1678 ev_view_drag_data_get (GtkWidget *widget,
1679 GdkDragContext *context,
1680 GtkSelectionData *selection_data,
1684 EvView *view = EV_VIEW (widget);
1686 if (view->selection_info.selections &&
1687 ev_document_can_get_text (view->document)) {
1690 text = get_selected_text (view);
1692 gtk_selection_data_set_text (selection_data, text, strlen (text));
1699 selection_update_idle_cb (EvView *view)
1701 compute_selections (view, &view->selection_info.start, &view->motion);
1702 view->selection_update_id = 0;
1707 selection_scroll_timeout_cb (EvView *view)
1710 GtkWidget *widget = GTK_WIDGET (view);
1712 gtk_widget_get_pointer (widget, NULL, &y);
1714 if (y > widget->allocation.height) {
1715 shift = (y - widget->allocation.height) / 2;
1721 gtk_adjustment_set_value (view->vadjustment,
1722 CLAMP (view->vadjustment->value + shift,
1723 view->vadjustment->lower,
1724 view->vadjustment->upper -
1725 view->vadjustment->page_size));
1730 ev_view_motion_notify_event (GtkWidget *widget,
1731 GdkEventMotion *event)
1733 EvView *view = EV_VIEW (widget);
1736 if (!view->document)
1739 if (event->is_hint || event->window != widget->window) {
1740 gtk_widget_get_pointer (widget, &x, &y);
1746 if (view->selection_info.in_drag) {
1747 if (gtk_drag_check_threshold (widget,
1748 view->selection_info.start.x,
1749 view->selection_info.start.y,
1751 GdkDragContext *context;
1752 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
1754 gtk_target_list_add_text_targets (target_list, 0);
1756 context = gtk_drag_begin (widget, target_list,
1758 1, (GdkEvent *)event);
1760 view->selection_info.in_drag = FALSE;
1762 gtk_target_list_unref (target_list);
1768 /* For the Evince 0.4.x release, we limit selection to un-rotated
1771 if (view->pressed_button == 1 && view->rotation == 0) {
1773 /* Schedule timeout to scroll during selection and additionally
1774 * scroll once to allow arbitrary speed. */
1775 if (!view->selection_scroll_id)
1776 view->selection_scroll_id = g_timeout_add (SCROLL_TIME, (GSourceFunc)selection_scroll_timeout_cb, view);
1778 selection_scroll_timeout_cb (view);
1780 view->selection_info.in_selection = TRUE;
1781 view->motion.x = x + view->scroll_x;
1782 view->motion.y = y + view->scroll_y;
1784 /* Queue an idle to handle the motion. We do this because
1785 * handling any selection events in the motion could be slower
1786 * than new motion events reach us. We always put it in the
1787 * idle to make sure we catch up and don't visibly lag the
1789 if (!view->selection_update_id)
1790 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
1793 } else if (view->pressed_button == 2) {
1794 if (!view->drag_info.in_drag) {
1797 start = gtk_drag_check_threshold (widget,
1798 view->drag_info.start.x,
1799 view->drag_info.start.y,
1802 view->drag_info.in_drag = start;
1805 if (view->drag_info.in_drag) {
1807 gdouble dhadj_value, dvadj_value;
1809 dx = event->x_root - view->drag_info.start.x;
1810 dy = event->y_root - view->drag_info.start.y;
1812 dhadj_value = view->hadjustment->page_size *
1813 (gdouble)dx / widget->allocation.width;
1814 dvadj_value = view->vadjustment->page_size *
1815 (gdouble)dy / widget->allocation.height;
1817 /* clamp scrolling to visible area */
1818 gtk_adjustment_set_value (view->hadjustment,
1819 MIN(view->drag_info.hadj - dhadj_value,
1820 view->hadjustment->upper -
1821 view->hadjustment->page_size));
1822 gtk_adjustment_set_value (view->vadjustment,
1823 MIN(view->drag_info.vadj - dvadj_value,
1824 view->vadjustment->upper -
1825 view->vadjustment->page_size));
1829 /* For the Evince 0.4.x release, we limit links to un-rotated documents
1832 } else if (view->pressed_button <= 0 &&
1833 view->rotation == 0) {
1834 handle_link_over_xy (view, x, y);
1842 ev_view_button_release_event (GtkWidget *widget,
1843 GdkEventButton *event)
1845 EvView *view = EV_VIEW (widget);
1848 if (view->pressed_button == 2) {
1849 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1852 if (view->document) {
1853 link = ev_view_get_link_at_location (view, event->x, event->y);
1858 view->pressed_button = -1;
1859 view->drag_info.in_drag = FALSE;
1861 if (view->selection_scroll_id) {
1862 g_source_remove (view->selection_scroll_id);
1863 view->selection_scroll_id = 0;
1865 if (view->selection_update_id) {
1866 g_source_remove (view->selection_update_id);
1867 view->selection_update_id = 0;
1870 if (view->selection_info.selections) {
1871 ev_view_update_primary_selection (view);
1873 if (view->selection_info.in_drag) {
1874 clear_selection (view);
1875 gtk_widget_queue_draw (widget);
1878 view->selection_info.in_drag = FALSE;
1880 ev_view_goto_link (view, link);
1881 } else if (view->presentation) {
1882 switch (event->button) {
1884 ev_view_next_page (view);
1887 ev_view_previous_page (view);
1896 ev_view_focus_in (GtkWidget *widget,
1897 GdkEventFocus *event)
1899 if (EV_VIEW (widget)->pixbuf_cache)
1900 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
1901 gtk_widget_queue_draw (widget);
1907 ev_view_focus_out (GtkWidget *widget,
1908 GdkEventFocus *event)
1910 if (EV_VIEW (widget)->pixbuf_cache)
1911 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
1912 gtk_widget_queue_draw (widget);
1918 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
1920 EvView *view = EV_VIEW (widget);
1922 ev_view_set_status (view, NULL);
1924 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1925 view->cursor == EV_VIEW_CURSOR_IBEAM)
1926 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1928 if (view->link_tooltip) {
1929 view->hovered_link = NULL;
1930 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
1937 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
1939 EvView *view = EV_VIEW (widget);
1941 handle_link_over_xy (view, event->x, event->y);
1947 ev_view_style_set (GtkWidget *widget,
1948 GtkStyle *old_style)
1950 if (EV_VIEW (widget)->pixbuf_cache)
1951 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
1953 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
1959 ev_gdk_color_to_rgb (const GdkColor *color)
1962 result = (0xff0000 | (color->red & 0xff00));
1964 result |= ((color->green & 0xff00) | (color->blue >> 8));
1969 draw_rubberband (GtkWidget *widget, GdkWindow *window,
1970 const GdkRectangle *rect, guchar alpha)
1974 GdkColor *fill_color_gdk;
1977 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
1978 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
1980 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
1981 rect->width, rect->height);
1982 gdk_pixbuf_fill (pixbuf, fill_color);
1984 gdk_draw_pixbuf (window, NULL, pixbuf,
1986 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
1987 rect->width, rect->height,
1988 GDK_RGB_DITHER_NONE,
1991 g_object_unref (pixbuf);
1993 gc = gdk_gc_new (window);
1994 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
1995 gdk_draw_rectangle (window, gc, FALSE,
1996 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
1999 g_object_unref (gc);
2001 gdk_color_free (fill_color_gdk);
2006 highlight_find_results (EvView *view, int page)
2008 EvDocumentFind *find;
2011 g_return_if_fail (EV_IS_DOCUMENT_FIND (view->document));
2013 find = EV_DOCUMENT_FIND (view->document);
2015 results = ev_document_find_get_n_results (find, page);
2017 for (i = 0; i < results; i++) {
2018 EvRectangle rectangle;
2019 GdkRectangle view_rectangle;
2022 if (i == view->find_result && page == view->find_page) {
2028 ev_document_find_get_result (find, page, i, &rectangle);
2029 doc_rect_to_view_rect (view, page, &rectangle, &view_rectangle);
2030 draw_rubberband (GTK_WIDGET (view), GTK_WIDGET(view)->window,
2031 &view_rectangle, alpha);
2036 draw_loading_text (EvView *view,
2037 GdkRectangle *page_area,
2038 GdkRectangle *expose_area)
2040 PangoLayout *layout;
2041 PangoFontDescription *font_desc;
2042 PangoRectangle logical_rect;
2046 const char *loading_text = _("Loading...");
2048 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
2050 font_desc = pango_font_description_new ();
2053 /* We set the font to be 10 points, get the size, and scale appropriately */
2054 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
2055 pango_layout_set_font_description (layout, font_desc);
2056 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2058 /* Make sure we fit the middle of the page */
2059 target_width = MAX (page_area->width / 2, 1);
2060 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
2061 pango_font_description_set_size (font_desc, (int)real_scale);
2062 pango_layout_set_font_description (layout, font_desc);
2063 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2065 gtk_paint_layout (GTK_WIDGET (view)->style,
2066 GTK_WIDGET (view)->window,
2067 GTK_WIDGET_STATE (view),
2072 page_area->x + (target_width/2),
2073 page_area->y + (page_area->height - logical_rect.height) / 2,
2076 pango_font_description_free (font_desc);
2077 g_object_unref (layout);
2081 draw_one_page (EvView *view,
2083 GdkRectangle *page_area,
2085 GdkRectangle *expose_area)
2088 GdkPixbuf *current_pixbuf;
2089 GdkRectangle overlap;
2090 GdkRectangle real_page_area;
2091 EvViewSelection *selection;
2093 g_assert (view->document);
2094 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
2097 selection = find_selection_for_page (view, page);
2098 ev_page_cache_get_size (view->page_cache,
2099 page, view->rotation,
2102 /* Render the document itself */
2103 real_page_area = *page_area;
2105 real_page_area.x += border->left;
2106 real_page_area.y += border->top;
2107 real_page_area.width -= (border->left + border->right);
2108 real_page_area.height -= (border->top + border->bottom);
2110 ev_document_misc_paint_one_page (GTK_WIDGET(view)->window,
2114 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
2115 GdkPixbuf *selection_pixbuf = NULL;
2116 GdkPixbuf *scaled_image;
2117 GdkPixbuf *scaled_selection;
2119 current_pixbuf = ev_pixbuf_cache_get_pixbuf (view->pixbuf_cache, page);
2121 /* Get the selection pixbuf iff we have something to draw */
2122 if (current_pixbuf && view->selection_mode == EV_VIEW_SELECTION_TEXT && selection)
2123 selection_pixbuf = ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
2128 if (current_pixbuf == NULL)
2129 scaled_image = NULL;
2130 else if (width == gdk_pixbuf_get_width (current_pixbuf) &&
2131 height == gdk_pixbuf_get_height (current_pixbuf))
2132 scaled_image = g_object_ref (current_pixbuf);
2134 /* FIXME: We don't want to scale the whole area, just the right
2136 scaled_image = gdk_pixbuf_scale_simple (current_pixbuf,
2138 GDK_INTERP_NEAREST);
2140 if (selection_pixbuf == NULL)
2141 scaled_selection = NULL;
2142 else if (width == gdk_pixbuf_get_width (selection_pixbuf) &&
2143 height == gdk_pixbuf_get_height (selection_pixbuf))
2144 scaled_selection = g_object_ref (selection_pixbuf);
2146 /* FIXME: We don't want to scale the whole area, just the right
2148 scaled_selection = gdk_pixbuf_scale_simple (selection_pixbuf,
2150 GDK_INTERP_NEAREST);
2153 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2154 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2156 overlap.x - real_page_area.x,
2157 overlap.y - real_page_area.y,
2158 overlap.x, overlap.y,
2159 overlap.width, overlap.height,
2160 GDK_RGB_DITHER_NORMAL,
2162 g_object_unref (scaled_image);
2164 draw_loading_text (view,
2169 if (scaled_selection) {
2170 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2171 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2173 overlap.x - real_page_area.x,
2174 overlap.y - real_page_area.y,
2175 overlap.x, overlap.y,
2176 overlap.width, overlap.height,
2177 GDK_RGB_DITHER_NORMAL,
2179 g_object_unref (scaled_selection);
2184 /*** GObject functions ***/
2187 ev_view_finalize (GObject *object)
2189 EvView *view = EV_VIEW (object);
2193 g_free (view->status);
2194 g_free (view->find_status);
2196 clear_selection (view);
2198 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
2202 ev_view_destroy (GtkObject *object)
2204 EvView *view = EV_VIEW (object);
2206 if (view->document) {
2207 g_object_unref (view->document);
2208 view->document = NULL;
2211 if (view->pixbuf_cache) {
2212 g_object_unref (view->pixbuf_cache);
2213 view->pixbuf_cache = NULL;
2216 if (view->link_tooltip) {
2217 gtk_widget_destroy (view->link_tooltip);
2220 if (view->selection_scroll_id) {
2221 g_source_remove (view->selection_scroll_id);
2222 view->selection_scroll_id = 0;
2225 if (view->selection_update_id) {
2226 g_source_remove (view->selection_update_id);
2227 view->selection_update_id = 0;
2230 ev_view_set_scroll_adjustments (view, NULL, NULL);
2232 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
2236 ev_view_set_property (GObject *object,
2238 const GValue *value,
2241 EvView *view = EV_VIEW (object);
2245 case PROP_CONTINUOUS:
2246 ev_view_set_continuous (view, g_value_get_boolean (value));
2248 case PROP_DUAL_PAGE:
2249 ev_view_set_dual_page (view, g_value_get_boolean (value));
2251 case PROP_FULLSCREEN:
2252 ev_view_set_fullscreen (view, g_value_get_boolean (value));
2254 case PROP_PRESENTATION:
2255 ev_view_set_presentation (view, g_value_get_boolean (value));
2257 case PROP_SIZING_MODE:
2258 ev_view_set_sizing_mode (view, g_value_get_enum (value));
2261 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
2264 ev_view_set_rotation (view, g_value_get_int (value));
2267 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2272 ev_view_get_accessible (GtkWidget *widget)
2274 static gboolean first_time = TRUE;
2277 AtkObjectFactory *factory;
2278 AtkRegistry *registry;
2280 GType derived_atk_type;
2283 * Figure out whether accessibility is enabled by looking at the
2284 * type of the accessible object which would be created for
2285 * the parent type of EvView.
2287 derived_type = g_type_parent (EV_TYPE_VIEW);
2289 registry = atk_get_default_registry ();
2290 factory = atk_registry_get_factory (registry,
2292 derived_atk_type = atk_object_factory_get_accessible_type (factory);
2293 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
2294 atk_registry_set_factory_type (registry,
2296 ev_view_accessible_factory_get_type ());
2299 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
2303 ev_view_get_property (GObject *object,
2308 EvView *view = EV_VIEW (object);
2313 g_value_set_string (value, view->status);
2315 case PROP_FIND_STATUS:
2316 g_value_set_string (value, view->status);
2318 case PROP_CONTINUOUS:
2319 g_value_set_boolean (value, view->continuous);
2321 case PROP_DUAL_PAGE:
2322 g_value_set_boolean (value, view->dual_page);
2324 case PROP_FULLSCREEN:
2325 g_value_set_boolean (value, view->fullscreen);
2327 case PROP_PRESENTATION:
2328 g_value_set_boolean (value, view->presentation);
2330 case PROP_SIZING_MODE:
2331 g_value_set_enum (value, view->sizing_mode);
2334 g_value_set_double (value, view->scale);
2337 g_value_set_int (value, view->rotation);
2339 case PROP_HAS_SELECTION:
2340 g_value_set_boolean (value,
2341 view->selection_info.selections != NULL);
2344 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2349 ev_view_class_init (EvViewClass *class)
2351 GObjectClass *object_class = G_OBJECT_CLASS (class);
2352 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
2353 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
2354 GtkBindingSet *binding_set;
2356 object_class->finalize = ev_view_finalize;
2357 object_class->set_property = ev_view_set_property;
2358 object_class->get_property = ev_view_get_property;
2360 widget_class->expose_event = ev_view_expose_event;
2361 widget_class->button_press_event = ev_view_button_press_event;
2362 widget_class->motion_notify_event = ev_view_motion_notify_event;
2363 widget_class->button_release_event = ev_view_button_release_event;
2364 widget_class->focus_in_event = ev_view_focus_in;
2365 widget_class->focus_out_event = ev_view_focus_out;
2366 widget_class->get_accessible = ev_view_get_accessible;
2367 widget_class->size_request = ev_view_size_request;
2368 widget_class->size_allocate = ev_view_size_allocate;
2369 widget_class->realize = ev_view_realize;
2370 widget_class->scroll_event = ev_view_scroll_event;
2371 widget_class->enter_notify_event = ev_view_enter_notify_event;
2372 widget_class->leave_notify_event = ev_view_leave_notify_event;
2373 widget_class->style_set = ev_view_style_set;
2374 widget_class->drag_data_get = ev_view_drag_data_get;
2375 gtk_object_class->destroy = ev_view_destroy;
2377 class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
2378 class->binding_activated = ev_view_binding_activated;
2380 widget_class->set_scroll_adjustments_signal =
2381 g_signal_new ("set-scroll-adjustments",
2382 G_OBJECT_CLASS_TYPE (object_class),
2383 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2384 G_STRUCT_OFFSET (EvViewClass, set_scroll_adjustments),
2386 ev_marshal_VOID__OBJECT_OBJECT,
2388 GTK_TYPE_ADJUSTMENT,
2389 GTK_TYPE_ADJUSTMENT);
2391 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
2392 G_TYPE_FROM_CLASS (object_class),
2393 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2394 G_STRUCT_OFFSET (EvViewClass, binding_activated),
2396 ev_marshal_VOID__ENUM_BOOLEAN,
2398 GTK_TYPE_SCROLL_TYPE,
2401 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
2402 G_TYPE_FROM_CLASS (object_class),
2403 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2404 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
2406 ev_marshal_VOID__VOID,
2407 G_TYPE_NONE, 0, G_TYPE_NONE);
2408 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
2409 G_TYPE_FROM_CLASS (object_class),
2410 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2411 G_STRUCT_OFFSET (EvViewClass, external_link),
2413 g_cclosure_marshal_VOID__OBJECT,
2416 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
2417 G_TYPE_FROM_CLASS (object_class),
2418 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2419 G_STRUCT_OFFSET (EvViewClass, popup_menu),
2421 g_cclosure_marshal_VOID__OBJECT,
2425 g_object_class_install_property (object_class,
2427 g_param_spec_string ("status",
2429 "The status message",
2433 g_object_class_install_property (object_class,
2435 g_param_spec_string ("find-status",
2436 "Find Status Message",
2437 "The find status message",
2441 g_object_class_install_property (object_class,
2443 g_param_spec_boolean ("continuous",
2445 "Continuous scrolling mode",
2447 G_PARAM_READWRITE));
2449 g_object_class_install_property (object_class,
2451 g_param_spec_boolean ("dual-page",
2453 "Two pages visible at once",
2455 G_PARAM_READWRITE));
2456 g_object_class_install_property (object_class,
2458 g_param_spec_boolean ("fullscreen",
2460 "Draw page in a fullscreen fashion",
2462 G_PARAM_READWRITE));
2463 g_object_class_install_property (object_class,
2465 g_param_spec_boolean ("presentation",
2467 "Draw page in presentation mode",
2469 G_PARAM_READWRITE));
2471 g_object_class_install_property (object_class,
2473 g_param_spec_enum ("sizing-mode",
2476 EV_TYPE_SIZING_MODE,
2477 EV_SIZING_FIT_WIDTH,
2478 G_PARAM_READWRITE));
2480 g_object_class_install_property (object_class,
2482 g_param_spec_double ("zoom",
2488 G_PARAM_READWRITE));
2489 g_object_class_install_property (object_class,
2491 g_param_spec_double ("rotation",
2497 G_PARAM_READWRITE));
2498 g_object_class_install_property (object_class,
2500 g_param_spec_boolean ("has-selection",
2502 "The view has selections",
2506 binding_set = gtk_binding_set_by_class (class);
2508 add_scroll_binding_keypad (binding_set, GDK_Left, GTK_SCROLL_STEP_BACKWARD, TRUE);
2509 add_scroll_binding_keypad (binding_set, GDK_Right, GTK_SCROLL_STEP_FORWARD, TRUE);
2510 add_scroll_binding_keypad (binding_set, GDK_Up, GTK_SCROLL_STEP_BACKWARD, FALSE);
2511 add_scroll_binding_keypad (binding_set, GDK_Down, GTK_SCROLL_STEP_FORWARD, FALSE);
2515 ev_view_init (EvView *view)
2517 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
2521 view->current_page = 0;
2522 view->pressed_button = -1;
2523 view->cursor = EV_VIEW_CURSOR_NORMAL;
2524 view->drag_info.in_drag = FALSE;
2525 view->selection_info.selections = NULL;
2526 view->selection_info.in_selection = FALSE;
2527 view->selection_info.in_drag = FALSE;
2528 view->selection_mode = EV_VIEW_SELECTION_TEXT;
2529 view->continuous = TRUE;
2530 view->dual_page = FALSE;
2531 view->presentation = FALSE;
2532 view->fullscreen = FALSE;
2533 view->sizing_mode = EV_SIZING_FIT_WIDTH;
2534 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2540 find_changed_cb (EvDocument *document, int page, EvView *view)
2542 jump_to_find_page (view, EV_VIEW_FIND_NEXT);
2543 jump_to_find_result (view);
2544 update_find_status_message (view);
2546 if (view->current_page == page)
2547 gtk_widget_queue_draw (GTK_WIDGET (view));
2551 job_finished_cb (EvPixbufCache *pixbuf_cache,
2554 gtk_widget_queue_draw (GTK_WIDGET (view));
2558 page_changed_cb (EvPageCache *page_cache,
2562 if (view->current_page != new_page) {
2564 view->current_page = new_page;
2565 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2566 gtk_widget_queue_resize (GTK_WIDGET (view));
2568 if (EV_IS_DOCUMENT_FIND (view->document)) {
2569 view->find_page = new_page;
2570 view->find_result = 0;
2571 update_find_status_message (view);
2576 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
2581 if (! GTK_WIDGET_REALIZED (view))
2584 if (view->hadjustment) {
2585 dx = view->scroll_x - (int) view->hadjustment->value;
2586 view->scroll_x = (int) view->hadjustment->value;
2591 if (view->vadjustment) {
2592 dy = view->scroll_y - (int) view->vadjustment->value;
2593 view->scroll_y = (int) view->vadjustment->value;
2599 if (view->pending_resize)
2600 gtk_widget_queue_draw (GTK_WIDGET (view));
2602 gdk_window_scroll (GTK_WIDGET (view)->window, dx, dy);
2606 view_update_range_and_current_page (view);
2614 view = g_object_new (EV_TYPE_VIEW, NULL);
2620 setup_caches (EvView *view)
2622 view->page_cache = ev_page_cache_get (view->document);
2623 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
2624 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
2625 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
2629 clear_caches (EvView *view)
2631 if (view->pixbuf_cache) {
2632 g_object_unref (view->pixbuf_cache);
2633 view->pixbuf_cache = NULL;
2636 if (view->page_cache) {
2637 view->page_cache = NULL;
2642 ev_view_set_document (EvView *view,
2643 EvDocument *document)
2645 g_return_if_fail (EV_IS_VIEW (view));
2647 if (document != view->document) {
2648 clear_caches (view);
2650 if (view->document) {
2651 g_signal_handlers_disconnect_by_func (view->document,
2654 g_object_unref (view->document);
2655 view->page_cache = NULL;
2659 view->document = document;
2660 view->find_page = 0;
2661 view->find_result = 0;
2663 if (view->document) {
2664 g_object_ref (view->document);
2665 if (EV_IS_DOCUMENT_FIND (view->document)) {
2666 g_signal_connect (view->document,
2668 G_CALLBACK (find_changed_cb),
2672 setup_caches (view);
2675 gtk_widget_queue_resize (GTK_WIDGET (view));
2679 /*** Zoom and sizing mode ***/
2681 #define EPSILON 0.0000001
2683 ev_view_set_zoom (EvView *view,
2690 scale = view->scale * factor;
2694 scale = CLAMP (scale, MIN_SCALE, MAX_SCALE);
2696 if (ABS (view->scale - scale) < EPSILON)
2699 view->scale = scale;
2700 view->pending_resize = TRUE;
2702 gtk_widget_queue_resize (GTK_WIDGET (view));
2704 g_object_notify (G_OBJECT (view), "zoom");
2708 ev_view_get_zoom (EvView *view)
2714 ev_view_get_continuous (EvView *view)
2716 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2718 return view->continuous;
2722 ev_view_set_continuous (EvView *view,
2723 gboolean continuous)
2725 g_return_if_fail (EV_IS_VIEW (view));
2727 continuous = continuous != FALSE;
2729 if (view->continuous != continuous) {
2730 view->continuous = continuous;
2731 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2732 gtk_widget_queue_resize (GTK_WIDGET (view));
2735 g_object_notify (G_OBJECT (view), "continuous");
2739 ev_view_get_dual_page (EvView *view)
2741 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2743 return view->dual_page;
2747 ev_view_set_dual_page (EvView *view,
2750 g_return_if_fail (EV_IS_VIEW (view));
2752 dual_page = dual_page != FALSE;
2754 if (view->dual_page == dual_page)
2757 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2758 view->dual_page = dual_page;
2759 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
2760 * preload_cache_size to be 2 if dual_page is set.
2762 gtk_widget_queue_resize (GTK_WIDGET (view));
2764 g_object_notify (G_OBJECT (view), "dual-page");
2768 ev_view_set_fullscreen (EvView *view,
2769 gboolean fullscreen)
2771 g_return_if_fail (EV_IS_VIEW (view));
2773 fullscreen = fullscreen != FALSE;
2775 if (view->fullscreen == fullscreen)
2778 view->fullscreen = fullscreen;
2779 gtk_widget_queue_resize (GTK_WIDGET (view));
2781 g_object_notify (G_OBJECT (view), "fullscreen");
2785 ev_view_get_fullscreen (EvView *view)
2787 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2789 return view->fullscreen;
2793 ev_view_set_presentation (EvView *view,
2794 gboolean presentation)
2796 g_return_if_fail (EV_IS_VIEW (view));
2798 presentation = presentation != FALSE;
2800 if (view->presentation == presentation)
2803 view->presentation = presentation;
2804 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2805 gtk_widget_queue_resize (GTK_WIDGET (view));
2807 if (GTK_WIDGET_REALIZED (view)) {
2808 if (view->presentation)
2809 gdk_window_set_background (GTK_WIDGET(view)->window,
2810 >K_WIDGET (view)->style->black);
2812 gdk_window_set_background (GTK_WIDGET(view)->window,
2813 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
2817 g_object_notify (G_OBJECT (view), "presentation");
2821 ev_view_get_presentation (EvView *view)
2823 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2825 return view->presentation;
2829 ev_view_set_sizing_mode (EvView *view,
2830 EvSizingMode sizing_mode)
2832 g_return_if_fail (EV_IS_VIEW (view));
2834 if (view->sizing_mode == sizing_mode)
2837 view->sizing_mode = sizing_mode;
2838 gtk_widget_queue_resize (GTK_WIDGET (view));
2840 g_object_notify (G_OBJECT (view), "sizing-mode");
2844 ev_view_get_sizing_mode (EvView *view)
2846 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
2848 return view->sizing_mode;
2852 ev_view_can_zoom_in (EvView *view)
2854 return view->scale * ZOOM_IN_FACTOR <= MAX_SCALE;
2858 ev_view_can_zoom_out (EvView *view)
2860 return view->scale * ZOOM_OUT_FACTOR >= MIN_SCALE;
2864 ev_view_zoom_in (EvView *view)
2866 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
2868 view->pending_scroll = SCROLL_TO_CENTER;
2869 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
2873 ev_view_zoom_out (EvView *view)
2875 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
2877 view->pending_scroll = SCROLL_TO_CENTER;
2878 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
2882 ev_view_rotate_right (EvView *view)
2884 int rotation = view->rotation + 90;
2886 if (rotation >= 360) {
2890 ev_view_set_rotation (view, rotation);
2894 ev_view_rotate_left (EvView *view)
2896 int rotation = view->rotation - 90;
2902 ev_view_set_rotation (view, rotation);
2906 ev_view_set_rotation (EvView *view, int rotation)
2908 view->rotation = rotation;
2910 if (view->pixbuf_cache) {
2911 ev_pixbuf_cache_clear (view->pixbuf_cache);
2912 gtk_widget_queue_resize (GTK_WIDGET (view));
2916 clear_selection (view);
2918 g_object_notify (G_OBJECT (view), "rotation");
2922 ev_view_get_rotation (EvView *view)
2924 return view->rotation;
2928 zoom_for_size_fit_width (int doc_width,
2936 scale = (double)target_width / doc_width;
2938 if (doc_height * scale > target_height)
2939 scale = (double) (target_width - vsb_width) / doc_width;
2945 zoom_for_size_fit_height (int doc_width,
2953 scale = (double)target_height / doc_height;
2955 if (doc_width * scale > target_width)
2956 scale = (double) (target_height - vsb_height) / doc_height;
2962 zoom_for_size_best_fit (int doc_width,
2972 w_scale = (double)target_width / doc_width;
2973 h_scale = (double)target_height / doc_height;
2975 if (doc_height * w_scale > target_height)
2976 w_scale = (double) (target_width - vsb_width) / doc_width;
2977 if (doc_width * h_scale > target_width)
2978 h_scale = (double) (target_height - hsb_width) / doc_height;
2980 return MIN (w_scale, h_scale);
2985 ev_view_zoom_for_size_presentation (EvView *view,
2989 int doc_width, doc_height;
2992 ev_page_cache_get_size (view->page_cache,
2998 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
2999 ev_view_set_zoom (view, scale, FALSE);
3003 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
3009 int doc_width, doc_height;
3013 ev_page_cache_get_max_width (view->page_cache,
3017 ev_page_cache_get_max_height (view->page_cache,
3021 compute_border (view, doc_width, doc_height, &border);
3023 doc_width = doc_width * 2;
3024 width -= (2 * (border.left + border.right) + 3 * view->spacing);
3025 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3027 /* FIXME: We really need to calculate the overall height here, not the
3028 * page height. We assume there's always a vertical scrollbar for
3029 * now. We need to fix this. */
3030 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3031 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3032 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3033 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3035 g_assert_not_reached ();
3037 ev_view_set_zoom (view, scale, FALSE);
3041 ev_view_zoom_for_size_continuous (EvView *view,
3047 int doc_width, doc_height;
3051 ev_page_cache_get_max_width (view->page_cache,
3055 ev_page_cache_get_max_height (view->page_cache,
3059 compute_border (view, doc_width, doc_height, &border);
3061 width -= (border.left + border.right + 2 * view->spacing);
3062 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3064 /* FIXME: We really need to calculate the overall height here, not the
3065 * page height. We assume there's always a vertical scrollbar for
3066 * now. We need to fix this. */
3067 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3068 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3069 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3070 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3072 g_assert_not_reached ();
3074 ev_view_set_zoom (view, scale, FALSE);
3078 ev_view_zoom_for_size_dual_page (EvView *view,
3085 gint doc_width, doc_height;
3089 other_page = view->current_page ^ 1;
3091 /* Find the largest of the two. */
3092 ev_page_cache_get_size (view->page_cache,
3096 &doc_width, &doc_height);
3098 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
3099 gint width_2, height_2;
3100 ev_page_cache_get_size (view->page_cache,
3104 &width_2, &height_2);
3105 if (width_2 > doc_width)
3106 doc_width = width_2;
3107 if (height_2 > doc_height)
3108 doc_height = height_2;
3110 compute_border (view, doc_width, doc_height, &border);
3112 doc_width = doc_width * 2;
3113 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
3114 height -= (border.top + border.bottom + 2 * view->spacing);
3116 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3117 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3118 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3119 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3121 g_assert_not_reached ();
3123 ev_view_set_zoom (view, scale, FALSE);
3127 ev_view_zoom_for_size_single_page (EvView *view,
3133 int doc_width, doc_height;
3137 ev_page_cache_get_size (view->page_cache,
3143 /* Get an approximate border */
3144 compute_border (view, width, height, &border);
3146 width -= (border.left + border.right + 2 * view->spacing);
3147 height -= (border.top + border.bottom + 2 * view->spacing);
3149 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3150 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3151 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3152 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3154 g_assert_not_reached ();
3156 ev_view_set_zoom (view, scale, FALSE);
3160 ev_view_set_zoom_for_size (EvView *view,
3166 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
3167 view->sizing_mode == EV_SIZING_BEST_FIT);
3168 g_return_if_fail (width >= 0);
3169 g_return_if_fail (height >= 0);
3171 if (view->document == NULL)
3174 if (view->presentation)
3175 ev_view_zoom_for_size_presentation (view, width, height);
3176 else if (view->continuous && view->dual_page)
3177 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
3178 else if (view->continuous)
3179 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
3180 else if (view->dual_page)
3181 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
3183 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
3186 /*** Status text messages ***/
3189 ev_view_get_status (EvView *view)
3191 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3193 return view->status;
3197 ev_view_set_status (EvView *view, const char *message)
3199 g_return_if_fail (EV_IS_VIEW (view));
3201 if (message != view->status) {
3202 g_free (view->status);
3203 view->status = g_strdup (message);
3204 g_object_notify (G_OBJECT (view), "status");
3209 update_find_status_message (EvView *view)
3213 if (view->current_page == view->find_page) {
3216 results = ev_document_find_get_n_results
3217 (EV_DOCUMENT_FIND (view->document),
3218 view->current_page);
3219 /* TRANS: Sometimes this could be better translated as
3220 "%d hit(s) on this page". Therefore this string
3221 contains plural cases. */
3222 message = g_strdup_printf (ngettext ("%d found on this page",
3223 "%d found on this page",
3229 percent = ev_document_find_get_progress
3230 (EV_DOCUMENT_FIND (view->document));
3231 if (percent >= (1.0 - 1e-10)) {
3232 message = g_strdup (_("Not found"));
3234 message = g_strdup_printf (_("%3d%% remaining to search"),
3235 (int) ((1.0 - percent) * 100));
3239 ev_view_set_find_status (view, message);
3244 ev_view_get_find_status (EvView *view)
3246 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3248 return view->find_status;
3252 ev_view_set_find_status (EvView *view, const char *message)
3254 g_return_if_fail (EV_IS_VIEW (view));
3256 g_free (view->find_status);
3257 view->find_status = g_strdup (message);
3258 g_object_notify (G_OBJECT (view), "find-status");
3264 jump_to_find_result (EvView *view)
3266 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3268 GdkRectangle view_rect;
3270 int page = view->find_page;
3272 n_results = ev_document_find_get_n_results (find, page);
3274 if (n_results > 0 && view->find_result < n_results) {
3275 ev_document_find_get_result
3276 (find, page, view->find_result, &rect);
3278 doc_rect_to_view_rect (view, page, &rect, &view_rect);
3279 ensure_rectangle_is_visible (view, &view_rect);
3284 jump_to_find_page (EvView *view, EvViewFindDirection direction)
3288 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3290 for (i = 0; i < n_pages; i++) {
3294 if (direction == EV_VIEW_FIND_NEXT)
3295 page = view->find_page + i;
3297 page = view->find_page - i;
3300 if (page >= n_pages) {
3301 page = page - n_pages;
3304 page = page + n_pages;
3306 has_results = ev_document_find_page_has_results
3307 (EV_DOCUMENT_FIND (view->document), page);
3308 if (has_results == -1) {
3309 view->find_page = page;
3311 } else if (has_results == 1) {
3312 ev_page_cache_set_current_page (view->page_cache, page);
3319 ev_view_can_find_next (EvView *view)
3321 if (EV_IS_DOCUMENT_FIND (view->document)) {
3322 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3325 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3326 for (i = 0; i < n_pages; i++) {
3327 if (ev_document_find_get_n_results (find, i) > 0) {
3337 ev_view_find_next (EvView *view)
3339 int n_results, n_pages;
3340 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3342 n_results = ev_document_find_get_n_results (find, view->current_page);
3344 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3346 view->find_result++;
3348 if (view->find_result >= n_results) {
3350 view->find_result = 0;
3352 if (view->find_page >= n_pages) {
3353 view->find_page = 0;
3356 jump_to_find_page (view, EV_VIEW_FIND_NEXT);
3357 jump_to_find_result (view);
3359 jump_to_find_result (view);
3360 gtk_widget_queue_draw (GTK_WIDGET (view));
3365 ev_view_find_previous (EvView *view)
3367 int n_results, n_pages;
3368 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3369 EvPageCache *page_cache;
3371 page_cache = ev_page_cache_get (view->document);
3373 n_results = ev_document_find_get_n_results (find, view->current_page);
3375 n_pages = ev_page_cache_get_n_pages (page_cache);
3377 view->find_result--;
3379 if (view->find_result < 0) {
3382 if (view->find_page < 0) {
3383 view->find_page = n_pages - 1;
3386 jump_to_find_page (view, EV_VIEW_FIND_PREV);
3387 view->find_result = ev_document_find_get_n_results (find, view->current_page) - 1;
3388 jump_to_find_result (view);
3390 jump_to_find_result (view);
3391 gtk_widget_queue_draw (GTK_WIDGET (view));
3395 /*** Selections ***/
3397 /* compute_new_selection_rect/text calculates the area currently selected by
3398 * view_rect. each handles a different mode;
3401 compute_new_selection_rect (EvView *view,
3405 GdkRectangle view_rect;
3409 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
3411 view_rect.x = MIN (start->x, stop->x);
3412 view_rect.y = MIN (start->y, stop->y);
3413 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
3414 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
3416 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3418 for (i = 0; i < n_pages; i++) {
3419 GdkRectangle page_area;
3422 if (get_page_extents (view, i, &page_area, &border)) {
3423 GdkRectangle overlap;
3425 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
3426 EvViewSelection *selection;
3428 selection = g_new0 (EvViewSelection, 1);
3429 selection->page = i;
3430 view_rect_to_doc_rect (view, &overlap, &page_area,
3431 &(selection->rect));
3433 list = g_list_append (list, selection);
3442 gdk_rectangle_point_in (GdkRectangle *rectangle,
3445 return rectangle->x <= point->x &&
3446 rectangle->y <= point->y &&
3447 point->x < rectangle->x + rectangle->width &&
3448 point->y < rectangle->y + rectangle->height;
3452 compute_new_selection_text (EvView *view,
3456 int n_pages, i, first, last;
3458 EvViewSelection *selection;
3460 int start_page, end_page;
3462 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
3464 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3466 /* First figure out the range of pages the selection
3470 if (view->continuous) {
3473 } else if (view->dual_page) {
3474 start_page = view->start_page;
3475 end_page = view->end_page + 1;
3477 start_page = view->current_page;
3478 end_page = view->current_page + 1;
3481 for (i = start_page; i < end_page; i++) {
3482 GdkRectangle page_area;
3485 get_page_extents (view, i, &page_area, &border);
3486 if (gdk_rectangle_point_in (&page_area, start) ||
3487 gdk_rectangle_point_in (&page_area, stop)) {
3488 if (first == n_pages)
3497 /* Now create a list of EvViewSelection's for the affected
3498 * pages. This could be an empty list, a list of just one
3499 * page or a number of pages.*/
3500 for (i = first; i < last + 1; i++) {
3501 GdkRectangle page_area;
3505 ev_page_cache_get_size (view->page_cache, i,
3507 1.0, &width, &height);
3509 selection = g_new0 (EvViewSelection, 1);
3510 selection->page = i;
3511 selection->rect.x1 = selection->rect.y1 = 0;
3512 selection->rect.x2 = width;
3513 selection->rect.y2 = height;
3515 get_page_extents (view, i, &page_area, &border);
3517 if (gdk_rectangle_point_in (&page_area, start))
3523 view_point_to_doc_point (view, point, &page_area,
3524 &selection->rect.x1,
3525 &selection->rect.y1);
3527 /* If the selection is contained within just one page,
3528 * make sure we don't write 'start' into both points
3529 * in selection->rect. */
3534 view_point_to_doc_point (view, point, &page_area,
3535 &selection->rect.x2,
3536 &selection->rect.y2);
3538 list = g_list_append (list, selection);
3544 /* This function takes the newly calculated list, and figures out which regions
3545 * have changed. It then queues a redraw approporiately.
3548 merge_selection_region (EvView *view,
3552 GList *new_list_ptr, *old_list_ptr;
3554 /* Update the selection */
3555 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
3556 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
3557 view->selection_info.selections = new_list;
3558 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
3559 g_object_notify (G_OBJECT (view), "has-selection");
3561 new_list_ptr = new_list;
3562 old_list_ptr = old_list;
3564 while (new_list_ptr || old_list_ptr) {
3565 EvViewSelection *old_sel, *new_sel;
3567 GdkRegion *region = NULL;
3569 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
3570 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
3572 /* Assume that the lists are in order, and we run through them
3573 * comparing them, one page at a time. We come out with the
3574 * first page we see. */
3575 if (new_sel && old_sel) {
3576 if (new_sel->page < old_sel->page) {
3577 new_list_ptr = new_list_ptr->next;
3579 } else if (new_sel->page > old_sel->page) {
3580 old_list_ptr = old_list_ptr->next;
3583 new_list_ptr = new_list_ptr->next;
3584 old_list_ptr = old_list_ptr->next;
3586 } else if (new_sel) {
3587 new_list_ptr = new_list_ptr->next;
3588 } else if (old_sel) {
3589 old_list_ptr = old_list_ptr->next;
3592 g_assert (new_sel || old_sel);
3594 /* is the page we're looking at on the screen?*/
3595 cur_page = new_sel ? new_sel->page : old_sel->page;
3596 if (cur_page < view->start_page || cur_page > view->end_page)
3599 /* seed the cache with a new page. We are going to need the new
3602 GdkRegion *tmp_region = NULL;
3603 ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
3608 new_sel->covered_region = gdk_region_copy (tmp_region);
3612 /* Now we figure out what needs redrawing */
3613 if (old_sel && new_sel) {
3614 if (old_sel->covered_region &&
3615 new_sel->covered_region) {
3616 /* We only want to redraw the areas that have
3617 * changed, so we xor the old and new regions
3618 * and redraw if it's different */
3619 region = gdk_region_copy (old_sel->covered_region);
3620 gdk_region_xor (region, new_sel->covered_region);
3621 if (gdk_region_empty (region)) {
3622 gdk_region_destroy (region);
3625 } else if (old_sel->covered_region) {
3626 region = gdk_region_copy (old_sel->covered_region);
3627 } else if (new_sel->covered_region) {
3628 region = gdk_region_copy (new_sel->covered_region);
3630 } else if (old_sel && !new_sel) {
3631 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
3632 region = gdk_region_copy (old_sel->covered_region);
3634 } else if (!old_sel && new_sel) {
3635 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
3636 region = gdk_region_copy (new_sel->covered_region);
3639 g_assert_not_reached ();
3642 /* Redraw the damaged region! */
3644 GdkRectangle page_area;
3647 get_page_extents (view, cur_page, &page_area, &border);
3648 gdk_region_offset (region,
3649 page_area.x + border.left - view->scroll_x,
3650 page_area.y + border.top - view->scroll_y);
3651 gdk_window_invalidate_region (GTK_WIDGET (view)->window, region, TRUE);
3652 gdk_region_destroy (region);
3656 /* Free the old list, now that we're done with it. */
3657 g_list_foreach (old_list, (GFunc) selection_free, NULL);
3661 compute_selections (EvView *view,
3667 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
3668 list = compute_new_selection_rect (view, start, stop);
3670 list = compute_new_selection_text (view, start, stop);
3671 merge_selection_region (view, list);
3674 /* Free's the selection. It's up to the caller to queue redraws if needed.
3677 selection_free (EvViewSelection *selection)
3679 if (selection->covered_region)
3680 gdk_region_destroy (selection->covered_region);
3685 clear_selection (EvView *view)
3687 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
3688 view->selection_info.selections = NULL;
3689 view->selection_info.in_selection = FALSE;
3690 g_object_notify (G_OBJECT (view), "has-selection");
3695 ev_view_select_all (EvView *view)
3699 /* Disable selection on rotated pages for the 0.4.0 series */
3700 if (view->rotation != 0)
3703 clear_selection (view);
3705 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3706 for (i = 0; i < n_pages; i++) {
3708 EvViewSelection *selection;
3710 ev_page_cache_get_size (view->page_cache,
3713 1.0, &width, &height);
3715 selection = g_new0 (EvViewSelection, 1);
3716 selection->page = i;
3717 selection->rect.x1 = selection->rect.y1 = 0;
3718 selection->rect.x2 = width;
3719 selection->rect.y2 = height;
3721 view->selection_info.selections = g_list_append (view->selection_info.selections, selection);
3724 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, view->selection_info.selections);
3725 g_object_notify (G_OBJECT (view), "has-selection");
3726 gtk_widget_queue_draw (GTK_WIDGET (view));
3730 ev_view_get_has_selection (EvView *view)
3732 return view->selection_info.selections != NULL;
3736 get_selected_text (EvView *ev_view)
3741 text = g_string_new (NULL);
3743 ev_document_doc_mutex_lock ();
3745 for (l = ev_view->selection_info.selections; l != NULL; l = l->next) {
3746 EvViewSelection *selection = (EvViewSelection *)l->data;
3749 tmp = ev_document_get_text (ev_view->document,
3752 g_string_append (text, tmp);
3756 ev_document_doc_mutex_unlock ();
3758 return g_string_free (text, FALSE);
3762 ev_view_copy (EvView *ev_view)
3764 GtkClipboard *clipboard;
3767 if (!ev_document_can_get_text (ev_view->document)) {
3771 text = get_selected_text (ev_view);
3772 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
3773 GDK_SELECTION_CLIPBOARD);
3774 gtk_clipboard_set_text (clipboard, text, -1);
3779 ev_view_primary_get_cb (GtkClipboard *clipboard,
3780 GtkSelectionData *selection_data,
3784 EvView *ev_view = EV_VIEW (data);
3787 if (!ev_document_can_get_text (ev_view->document)) {
3791 text = get_selected_text (ev_view);
3792 gtk_selection_data_set_text (selection_data, text, -1);
3797 ev_view_primary_clear_cb (GtkClipboard *clipboard,
3800 EvView *view = EV_VIEW (data);
3802 clear_selection (view);
3806 ev_view_update_primary_selection (EvView *ev_view)
3808 GtkClipboard *clipboard;
3810 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
3811 GDK_SELECTION_PRIMARY);
3813 if (ev_view->selection_info.selections) {
3814 if (!gtk_clipboard_set_with_owner (clipboard,
3816 G_N_ELEMENTS (targets),
3817 ev_view_primary_get_cb,
3818 ev_view_primary_clear_cb,
3819 G_OBJECT (ev_view)))
3820 ev_view_primary_clear_cb (clipboard, ev_view);
3822 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
3823 gtk_clipboard_clear (clipboard);
3827 /*** Cursor operations ***/
3830 ev_view_create_invisible_cursor(void)
3833 GdkColor black = { 0, 0, 0, 0 };
3834 static char bits[] = { 0x00 };
3836 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
3838 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
3842 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
3844 GdkCursor *cursor = NULL;
3845 GdkDisplay *display;
3848 if (view->cursor == new_cursor) {
3852 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
3853 display = gtk_widget_get_display (widget);
3854 view->cursor = new_cursor;
3856 switch (new_cursor) {
3857 case EV_VIEW_CURSOR_NORMAL:
3858 gdk_window_set_cursor (widget->window, NULL);
3860 case EV_VIEW_CURSOR_IBEAM:
3861 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
3863 case EV_VIEW_CURSOR_LINK:
3864 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
3866 case EV_VIEW_CURSOR_WAIT:
3867 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
3869 case EV_VIEW_CURSOR_HIDDEN:
3870 cursor = ev_view_create_invisible_cursor ();
3872 case EV_VIEW_CURSOR_DRAG:
3873 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
3878 gdk_window_set_cursor (widget->window, cursor);
3879 gdk_cursor_unref (cursor);
3885 ev_view_hide_cursor (EvView *view)
3887 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
3891 ev_view_show_cursor (EvView *view)
3893 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
3897 ev_view_next_page (EvView *view)
3901 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3903 page = ev_page_cache_get_current_page (view->page_cache);
3904 page = ev_view_get_dual_page (view) ? page + 2 : page + 1;
3906 if (page < ev_page_cache_get_n_pages (view->page_cache)) {
3907 ev_page_cache_set_current_page (view->page_cache, page);
3915 ev_view_previous_page (EvView *view)
3919 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3921 page = ev_page_cache_get_current_page (view->page_cache);
3922 page = ev_view_get_dual_page (view) ? page - 2 : page - 1;
3925 ev_page_cache_set_current_page (view->page_cache, page);
3932 /*** Enum description for usage in signal ***/
3935 ev_sizing_mode_get_type (void)
3937 static GType etype = 0;
3939 static const GEnumValue values[] = {
3940 { EV_SIZING_FIT_WIDTH, "EV_SIZING_FIT_WIDTH", "fit-width" },
3941 { EV_SIZING_BEST_FIT, "EV_SIZING_BEST_FIT", "best-fit" },
3942 { EV_SIZING_FREE, "EV_SIZING_FREE", "free" },
3945 etype = g_enum_register_static ("EvSizingMode", values);