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 GdkModifierType modifiers,
118 gboolean horizontal);
119 static void ensure_rectangle_is_visible (EvView *view,
122 /*** Geometry computations ***/
123 static void compute_border (EvView *view,
127 static void get_page_y_offset (EvView *view,
131 static gboolean get_page_extents (EvView *view,
133 GdkRectangle *page_area,
135 static void view_rect_to_doc_rect (EvView *view,
136 GdkRectangle *view_rect,
137 GdkRectangle *page_area,
138 EvRectangle *doc_rect);
139 static void doc_rect_to_view_rect (EvView *view,
141 EvRectangle *doc_rect,
142 GdkRectangle *view_rect);
143 static void find_page_at_location (EvView *view,
149 static gboolean doc_point_to_view_point (EvView *view,
152 GdkPoint *view_point);
154 static EvLink * ev_view_get_link_at_location (EvView *view,
157 static char* tip_from_link (EvView *view,
159 static void handle_link_over_xy (EvView *view,
162 /*** GtkWidget implementation ***/
163 static void ev_view_size_request_continuous_dual_page (EvView *view,
164 GtkRequisition *requisition);
165 static void ev_view_size_request_continuous (EvView *view,
166 GtkRequisition *requisition);
167 static void ev_view_size_request_dual_page (EvView *view,
168 GtkRequisition *requisition);
169 static void ev_view_size_request_single_page (EvView *view,
170 GtkRequisition *requisition);
171 static void ev_view_size_request (GtkWidget *widget,
172 GtkRequisition *requisition);
173 static void ev_view_size_allocate (GtkWidget *widget,
174 GtkAllocation *allocation);
175 static void ev_view_realize (GtkWidget *widget);
176 static gboolean ev_view_scroll_event (GtkWidget *widget,
177 GdkEventScroll *event);
178 static gboolean ev_view_expose_event (GtkWidget *widget,
179 GdkEventExpose *event);
180 static gboolean ev_view_popup_menu (GtkWidget *widget);
181 static gboolean ev_view_button_press_event (GtkWidget *widget,
182 GdkEventButton *event);
183 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
184 GdkEventMotion *event);
185 static gboolean ev_view_button_release_event (GtkWidget *widget,
186 GdkEventButton *event);
187 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
188 GdkEventCrossing *event);
189 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
190 GdkEventCrossing *event);
191 static void ev_view_style_set (GtkWidget *widget,
192 GtkStyle *old_style);
194 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
197 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
198 static void draw_rubberband (GtkWidget *widget,
200 const GdkRectangle *rect,
202 static void highlight_find_results (EvView *view,
204 static void draw_one_page (EvView *view,
206 GdkRectangle *page_area,
208 GdkRectangle *expose_area);
209 static void draw_loading_text (EvView *view,
210 GdkRectangle *page_area,
211 GdkRectangle *expose_area);
214 static void find_changed_cb (EvDocument *document,
217 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
219 static void page_changed_cb (EvPageCache *page_cache,
222 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
226 static void ev_view_finalize (GObject *object);
227 static void ev_view_destroy (GtkObject *object);
228 static void ev_view_set_property (GObject *object,
232 static void ev_view_get_property (GObject *object,
236 static void ev_view_class_init (EvViewClass *class);
237 static void ev_view_init (EvView *view);
239 /*** Zoom and sizing ***/
240 static double zoom_for_size_fit_width (int doc_width,
245 static double zoom_for_size_fit_height (int doc_width,
250 static double zoom_for_size_best_fit (int doc_width,
256 static void ev_view_zoom_for_size_presentation (EvView *view,
259 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
264 static void ev_view_zoom_for_size_continuous (EvView *view,
269 static void ev_view_zoom_for_size_dual_page (EvView *view,
274 static void ev_view_zoom_for_size_single_page (EvView *view,
280 static GdkCursor* ev_view_create_invisible_cursor (void);
281 static void ev_view_set_cursor (EvView *view,
282 EvViewCursor new_cursor);
284 /*** Status messages ***/
285 static void ev_view_set_status (EvView *view,
286 const char *message);
287 static void update_find_status_message (EvView *view,
289 static void ev_view_set_find_status (EvView *view,
290 const char *message);
292 static void jump_to_find_result (EvView *view);
293 static void jump_to_find_page (EvView *view,
294 EvViewFindDirection direction,
298 static void compute_selections (EvView *view,
301 static void clear_selection (EvView *view);
302 static void selection_free (EvViewSelection *selection);
303 static char* get_selected_text (EvView *ev_view);
304 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
305 GtkSelectionData *selection_data,
308 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
310 static void ev_view_update_primary_selection (EvView *ev_view);
313 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_WIDGET)
316 scroll_to_current_page (EvView *view, GtkOrientation orientation)
320 if (view->document == NULL) {
324 doc_point_to_view_point (view, view->current_page, &view->pending_point, &view_point);
326 if (orientation == GTK_ORIENTATION_VERTICAL) {
327 view->pending_point.y = 0;
329 view->pending_point.x = 0;
332 if (orientation == GTK_ORIENTATION_VERTICAL) {
333 if (view->continuous) {
334 gtk_adjustment_clamp_page (view->vadjustment,
335 view_point.y - view->spacing / 2,
336 view_point.y + view->vadjustment->page_size);
338 gtk_adjustment_set_value (view->vadjustment,
340 view->vadjustment->lower,
341 view->vadjustment->upper -
342 view->vadjustment->page_size));
345 if (view->dual_page) {
346 gtk_adjustment_clamp_page (view->hadjustment,
348 view_point.x + view->hadjustment->page_size);
350 gtk_adjustment_set_value (view->hadjustment,
352 view->hadjustment->lower,
353 view->hadjustment->upper -
354 view->hadjustment->page_size));
360 view_set_adjustment_values (EvView *view,
361 GtkOrientation orientation)
363 GtkWidget *widget = GTK_WIDGET (view);
364 GtkAdjustment *adjustment;
371 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
372 requisition = widget->requisition.width;
373 allocation = widget->allocation.width;
374 adjustment = view->hadjustment;
376 requisition = widget->requisition.height;
377 allocation = widget->allocation.height;
378 adjustment = view->vadjustment;
385 switch (view->pending_scroll) {
386 case SCROLL_TO_KEEP_POSITION:
387 factor = (adjustment->value) / adjustment->upper;
389 case SCROLL_TO_PAGE_POSITION:
391 case SCROLL_TO_CENTER:
392 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
396 adjustment->page_size = allocation;
397 adjustment->step_increment = allocation * 0.1;
398 adjustment->page_increment = allocation * 0.9;
399 adjustment->lower = 0;
400 adjustment->upper = MAX (allocation, requisition);
403 * We add 0.5 to the values before to average out our rounding errors.
405 switch (view->pending_scroll) {
406 case SCROLL_TO_KEEP_POSITION:
407 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
408 gtk_adjustment_set_value (adjustment, (int)new_value);
410 case SCROLL_TO_PAGE_POSITION:
411 scroll_to_current_page (view, orientation);
413 case SCROLL_TO_CENTER:
414 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
415 0, adjustment->upper - adjustment->page_size);
416 gtk_adjustment_set_value (adjustment, (int)new_value);
420 gtk_adjustment_changed (adjustment);
424 view_update_range_and_current_page (EvView *view)
428 if (view->pending_scroll != SCROLL_TO_KEEP_POSITION)
431 /* Presentation trumps all other modes */
432 if (view->presentation) {
433 view->start_page = view->current_page;
434 view->end_page = view->current_page;
435 } else if (view->continuous) {
436 GdkRectangle current_area, unused, page_area;
438 gboolean found = FALSE;
441 if (!(view->vadjustment && view->hadjustment))
444 current_area.x = view->hadjustment->value;
445 current_area.width = view->hadjustment->upper;
446 current_area.y = view->vadjustment->value;
447 current_area.height = view->vadjustment->page_size;
449 for (i = 0; i < ev_page_cache_get_n_pages (view->page_cache); i++) {
451 get_page_extents (view, i, &page_area, &border);
453 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
455 view->start_page = i;
466 if (view->dual_page) {
467 if (view->current_page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) {
468 view->start_page = view->current_page;
469 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache))
470 view->end_page = view->start_page + 1;
472 view->end_page = view->start_page;
474 if (view->current_page - 1 < 0)
475 view->start_page = view->current_page;
477 view->start_page = view->current_page - 1;
478 view->end_page = view->current_page;
481 view->start_page = view->current_page;
482 view->end_page = view->current_page;
487 current_page = ev_page_cache_get_current_page (view->page_cache);
489 if (current_page < view->start_page || current_page > view->end_page) {
490 ev_page_cache_set_current_page (view->page_cache, view->start_page);
493 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
498 view->selection_info.selections);
502 set_scroll_adjustment (EvView *view,
503 GtkOrientation orientation,
504 GtkAdjustment *adjustment)
506 GtkAdjustment **to_set;
508 if (orientation == GTK_ORIENTATION_HORIZONTAL)
509 to_set = &view->hadjustment;
511 to_set = &view->vadjustment;
513 if (*to_set != adjustment) {
515 g_signal_handlers_disconnect_by_func (*to_set,
516 (gpointer) on_adjustment_value_changed,
518 g_object_unref (*to_set);
521 *to_set = adjustment;
522 view_set_adjustment_values (view, orientation);
525 g_object_ref (*to_set);
526 g_signal_connect (*to_set, "value_changed",
527 G_CALLBACK (on_adjustment_value_changed), view);
533 ev_view_set_scroll_adjustments (EvView *view,
534 GtkAdjustment *hadjustment,
535 GtkAdjustment *vadjustment)
537 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
538 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
540 on_adjustment_value_changed (NULL, view);
544 add_scroll_binding_keypad (GtkBindingSet *binding_set,
546 GdkModifierType modifiers,
550 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
552 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
553 "binding_activated", 2,
554 EV_TYPE_SCROLL_TYPE, scroll,
555 G_TYPE_BOOLEAN, horizontal);
556 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
557 "binding_activated", 2,
558 EV_TYPE_SCROLL_TYPE, scroll,
559 G_TYPE_BOOLEAN, horizontal);
563 ev_view_scroll (EvView *view,
567 GtkAdjustment *adjustment;
568 double value, increment;
569 gboolean first_page = FALSE;
570 gboolean last_page = FALSE;
572 view->jump_to_find_result = FALSE;
574 if (view->presentation) {
576 case EV_SCROLL_STEP_BACKWARD:
577 ev_view_previous_page (view);
579 case EV_SCROLL_STEP_FORWARD:
580 ev_view_next_page (view);
588 /* Assign values for increment and vertical adjustment */
589 adjustment = horizontal ? view->hadjustment : view->vadjustment;
590 increment = adjustment->page_size * 0.75;
591 value = adjustment->value;
593 /* Assign boolean for first and last page */
594 if (view->current_page == 0)
596 if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1)
600 case EV_SCROLL_PAGE_BACKWARD:
601 /* Do not jump backwards if at the first page */
602 if (value == (adjustment->lower) && first_page) {
604 /* At the top of a page, assign the upper bound limit of previous page */
605 } else if (value == (adjustment->lower)) {
606 value = adjustment->upper - adjustment->page_size;
607 ev_view_previous_page (view);
608 /* Jump to the top */
610 value = MAX (value - increment, adjustment->lower);
613 case EV_SCROLL_PAGE_FORWARD:
614 /* Do not jump forward if at the last page */
615 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
617 /* At the bottom of a page, assign the lower bound limit of next page */
618 } else if (value == (adjustment->upper - adjustment->page_size)) {
620 ev_view_next_page (view);
621 /* Jump to the bottom */
623 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
626 case EV_SCROLL_STEP_BACKWARD:
627 value -= adjustment->step_increment;
629 case EV_SCROLL_STEP_FORWARD:
630 value += adjustment->step_increment;
632 case EV_SCROLL_STEP_DOWN:
633 value -= adjustment->step_increment / 10;
635 case EV_SCROLL_STEP_UP:
636 value += adjustment->step_increment / 10;
642 value = CLAMP (value, adjustment->lower,
643 adjustment->upper - adjustment->page_size);
645 gtk_adjustment_set_value (adjustment, value);
652 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
654 GtkWidget *widget = GTK_WIDGET (view);
655 GtkAdjustment *adjustment;
658 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
660 adjustment = view->vadjustment;
662 if (rect->y < adjustment->value) {
663 value = MAX (adjustment->lower, rect->y - MARGIN);
664 gtk_adjustment_set_value (view->vadjustment, value);
665 } else if (rect->y + rect->height >
666 adjustment->value + widget->allocation.height) {
667 value = MIN (adjustment->upper, rect->y + rect->height -
668 widget->allocation.height + MARGIN);
669 gtk_adjustment_set_value (view->vadjustment, value);
672 adjustment = view->hadjustment;
674 if (rect->x < adjustment->value) {
675 value = MAX (adjustment->lower, rect->x - MARGIN);
676 gtk_adjustment_set_value (view->hadjustment, value);
677 } else if (rect->x + rect->height >
678 adjustment->value + widget->allocation.width) {
679 value = MIN (adjustment->upper, rect->x + rect->width -
680 widget->allocation.width + MARGIN);
681 gtk_adjustment_set_value (view->hadjustment, value);
685 /*** Geometry computations ***/
688 compute_border (EvView *view, int width, int height, GtkBorder *border)
690 if (view->presentation) {
696 ev_document_misc_get_page_border_size (width, height, border);
701 get_page_y_offset (EvView *view, int page, double zoom, int *y_offset)
703 int max_width, offset;
706 g_return_if_fail (y_offset != NULL);
708 ev_page_cache_get_max_width (view->page_cache, view->rotation, zoom, &max_width);
710 compute_border (view, max_width, max_width, &border);
712 if (view->dual_page) {
713 ev_page_cache_get_height_to_page (view->page_cache, page,
714 view->rotation, zoom, NULL, &offset);
715 offset += ((page + ev_page_cache_get_dual_even_left (view->page_cache)) / 2 + 1) * view->spacing + ((page + ev_page_cache_get_dual_even_left (view->page_cache)) / 2 ) * (border.top + border.bottom);
717 ev_page_cache_get_height_to_page (view->page_cache, page,
718 view->rotation, zoom, &offset, NULL);
719 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
727 get_page_extents (EvView *view,
729 GdkRectangle *page_area,
735 widget = GTK_WIDGET (view);
737 /* Get the size of the page */
738 ev_page_cache_get_size (view->page_cache, page,
742 compute_border (view, width, height, border);
743 page_area->width = width + border->left + border->right;
744 page_area->height = height + border->top + border->bottom;
746 if (view->presentation) {
747 page_area->x = (MAX (0, widget->allocation.width - width))/2;
748 page_area->y = (MAX (0, widget->allocation.height - height))/2;
749 } else if (view->continuous) {
753 ev_page_cache_get_max_width (view->page_cache, view->rotation,
754 view->scale, &max_width);
755 max_width = max_width + border->left + border->right;
756 /* Get the location of the bounding box */
757 if (view->dual_page) {
758 x = view->spacing + ((page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? 0 : 1) * (max_width + view->spacing);
759 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
760 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
761 x = x + (max_width - width - border->left - border->right);
764 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
767 get_page_y_offset (view, page, view->scale, &y);
773 if (view->dual_page) {
774 gint width_2, height_2;
775 gint max_width = width;
776 gint max_height = height;
777 GtkBorder overall_border;
780 other_page = (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? page + 1: page - 1;
782 /* First, we get the bounding box of the two pages */
783 if (other_page < ev_page_cache_get_n_pages (view->page_cache)
784 && (0 <= other_page)) {
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 */
802 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
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 view->jump_to_find_result = FALSE;
1546 /* Shift+Wheel scrolls the in the perpendicular direction */
1547 if (state & GDK_SHIFT_MASK) {
1548 if (event->direction == GDK_SCROLL_UP)
1549 event->direction = GDK_SCROLL_LEFT;
1550 if (event->direction == GDK_SCROLL_LEFT)
1551 event->direction = GDK_SCROLL_UP;
1552 if (event->direction == GDK_SCROLL_DOWN)
1553 event->direction = GDK_SCROLL_RIGHT;
1554 if (event->direction == GDK_SCROLL_RIGHT)
1555 event->direction = GDK_SCROLL_DOWN;
1557 event->state &= ~GDK_SHIFT_MASK;
1558 state &= ~GDK_SHIFT_MASK;
1561 if (state == 0 && view->presentation) {
1562 switch (event->direction) {
1563 case GDK_SCROLL_DOWN:
1564 case GDK_SCROLL_RIGHT:
1565 ev_view_next_page (view);
1568 case GDK_SCROLL_LEFT:
1569 ev_view_previous_page (view);
1579 static EvViewSelection *
1580 find_selection_for_page (EvView *view,
1585 for (list = view->selection_info.selections; list != NULL; list = list->next) {
1586 EvViewSelection *selection;
1588 selection = (EvViewSelection *) list->data;
1590 if (selection->page == page)
1598 ev_view_expose_event (GtkWidget *widget,
1599 GdkEventExpose *event)
1601 EvView *view = EV_VIEW (widget);
1604 if (view->loading) {
1605 draw_loading_text (view,
1606 &(widget->allocation),
1610 if (view->document == NULL)
1613 for (i = view->start_page; i <= view->end_page; i++) {
1614 GdkRectangle page_area;
1617 if (!get_page_extents (view, i, &page_area, &border))
1620 page_area.x -= view->scroll_x;
1621 page_area.y -= view->scroll_y;
1623 draw_one_page (view, i, &page_area, &border, &(event->area));
1625 if (EV_IS_DOCUMENT_FIND (view->document))
1626 highlight_find_results (view, i);
1633 ev_view_popup_menu (GtkWidget *widget)
1637 EvView *view = EV_VIEW (widget);
1639 gtk_widget_get_pointer (widget, &x, &y);
1640 link = ev_view_get_link_at_location (view, x, y);
1641 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
1646 ev_view_button_press_event (GtkWidget *widget,
1647 GdkEventButton *event)
1649 EvView *view = EV_VIEW (widget);
1652 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
1653 gtk_widget_grab_focus (widget);
1656 view->pressed_button = event->button;
1657 view->selection_info.in_drag = FALSE;
1659 switch (event->button) {
1661 if (view->selection_info.selections) {
1662 if (location_in_selected_text (view,
1663 event->x + view->scroll_x,
1664 event->y + view->scroll_y)) {
1665 view->selection_info.in_drag = TRUE;
1667 clear_selection (view);
1670 gtk_widget_queue_draw (widget);
1673 view->selection_info.start.x = event->x + view->scroll_x;
1674 view->selection_info.start.y = event->y + view->scroll_y;
1678 /* use root coordinates as reference point because
1679 * scrolling changes window relative coordinates */
1680 view->drag_info.start.x = event->x_root;
1681 view->drag_info.start.y = event->y_root;
1682 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
1683 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
1685 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1689 link = ev_view_get_link_at_location (view, event->x, event->y);
1690 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
1698 ev_view_drag_data_get (GtkWidget *widget,
1699 GdkDragContext *context,
1700 GtkSelectionData *selection_data,
1704 EvView *view = EV_VIEW (widget);
1706 if (view->selection_info.selections &&
1707 ev_document_can_get_text (view->document)) {
1710 text = get_selected_text (view);
1712 gtk_selection_data_set_text (selection_data, text, strlen (text));
1719 selection_update_idle_cb (EvView *view)
1721 compute_selections (view, &view->selection_info.start, &view->motion);
1722 view->selection_update_id = 0;
1727 selection_scroll_timeout_cb (EvView *view)
1729 gint x, y, shift = 0;
1730 GtkWidget *widget = GTK_WIDGET (view);
1732 gtk_widget_get_pointer (widget, &x, &y);
1734 if (y > widget->allocation.height) {
1735 shift = (y - widget->allocation.height) / 2;
1741 gtk_adjustment_set_value (view->vadjustment,
1742 CLAMP (view->vadjustment->value + shift,
1743 view->vadjustment->lower,
1744 view->vadjustment->upper -
1745 view->vadjustment->page_size));
1747 if (x > widget->allocation.width) {
1748 shift = (x - widget->allocation.width) / 2;
1754 gtk_adjustment_set_value (view->hadjustment,
1755 CLAMP (view->hadjustment->value + shift,
1756 view->hadjustment->lower,
1757 view->hadjustment->upper -
1758 view->hadjustment->page_size));
1764 ev_view_motion_notify_event (GtkWidget *widget,
1765 GdkEventMotion *event)
1767 EvView *view = EV_VIEW (widget);
1770 if (!view->document)
1773 if (event->is_hint || event->window != widget->window) {
1774 gtk_widget_get_pointer (widget, &x, &y);
1780 if (view->selection_info.in_drag) {
1781 if (gtk_drag_check_threshold (widget,
1782 view->selection_info.start.x,
1783 view->selection_info.start.y,
1785 GdkDragContext *context;
1786 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
1788 gtk_target_list_add_text_targets (target_list, 0);
1790 context = gtk_drag_begin (widget, target_list,
1792 1, (GdkEvent *)event);
1794 view->selection_info.in_drag = FALSE;
1796 gtk_target_list_unref (target_list);
1802 /* For the Evince 0.4.x release, we limit selection to un-rotated
1805 if (view->pressed_button == 1 && view->rotation == 0) {
1807 /* Schedule timeout to scroll during selection and additionally
1808 * scroll once to allow arbitrary speed. */
1809 if (!view->selection_scroll_id)
1810 view->selection_scroll_id = g_timeout_add (SCROLL_TIME, (GSourceFunc)selection_scroll_timeout_cb, view);
1812 selection_scroll_timeout_cb (view);
1814 view->selection_info.in_selection = TRUE;
1815 view->motion.x = x + view->scroll_x;
1816 view->motion.y = y + view->scroll_y;
1818 /* Queue an idle to handle the motion. We do this because
1819 * handling any selection events in the motion could be slower
1820 * than new motion events reach us. We always put it in the
1821 * idle to make sure we catch up and don't visibly lag the
1823 if (!view->selection_update_id)
1824 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
1827 } else if (view->pressed_button == 2) {
1828 if (!view->drag_info.in_drag) {
1831 start = gtk_drag_check_threshold (widget,
1832 view->drag_info.start.x,
1833 view->drag_info.start.y,
1836 view->drag_info.in_drag = start;
1839 if (view->drag_info.in_drag) {
1841 gdouble dhadj_value, dvadj_value;
1843 dx = event->x_root - view->drag_info.start.x;
1844 dy = event->y_root - view->drag_info.start.y;
1846 dhadj_value = view->hadjustment->page_size *
1847 (gdouble)dx / widget->allocation.width;
1848 dvadj_value = view->vadjustment->page_size *
1849 (gdouble)dy / widget->allocation.height;
1851 /* clamp scrolling to visible area */
1852 gtk_adjustment_set_value (view->hadjustment,
1853 MIN(view->drag_info.hadj - dhadj_value,
1854 view->hadjustment->upper -
1855 view->hadjustment->page_size));
1856 gtk_adjustment_set_value (view->vadjustment,
1857 MIN(view->drag_info.vadj - dvadj_value,
1858 view->vadjustment->upper -
1859 view->vadjustment->page_size));
1863 /* For the Evince 0.4.x release, we limit links to un-rotated documents
1866 } else if (view->pressed_button <= 0 &&
1867 view->rotation == 0) {
1868 handle_link_over_xy (view, x, y);
1876 ev_view_button_release_event (GtkWidget *widget,
1877 GdkEventButton *event)
1879 EvView *view = EV_VIEW (widget);
1882 if (view->pressed_button == 2) {
1883 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1886 if (view->document) {
1887 link = ev_view_get_link_at_location (view, event->x, event->y);
1892 view->pressed_button = -1;
1893 view->drag_info.in_drag = FALSE;
1895 if (view->selection_scroll_id) {
1896 g_source_remove (view->selection_scroll_id);
1897 view->selection_scroll_id = 0;
1899 if (view->selection_update_id) {
1900 g_source_remove (view->selection_update_id);
1901 view->selection_update_id = 0;
1904 if (view->selection_info.selections) {
1905 ev_view_update_primary_selection (view);
1907 if (view->selection_info.in_drag) {
1908 clear_selection (view);
1909 gtk_widget_queue_draw (widget);
1912 view->selection_info.in_drag = FALSE;
1914 ev_view_goto_link (view, link);
1915 } else if (view->presentation) {
1916 switch (event->button) {
1918 ev_view_next_page (view);
1921 ev_view_previous_page (view);
1930 ev_view_focus_in (GtkWidget *widget,
1931 GdkEventFocus *event)
1933 if (EV_VIEW (widget)->pixbuf_cache)
1934 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
1935 gtk_widget_queue_draw (widget);
1941 ev_view_focus_out (GtkWidget *widget,
1942 GdkEventFocus *event)
1944 if (EV_VIEW (widget)->pixbuf_cache)
1945 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
1946 gtk_widget_queue_draw (widget);
1952 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
1954 EvView *view = EV_VIEW (widget);
1956 ev_view_set_status (view, NULL);
1958 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1959 view->cursor == EV_VIEW_CURSOR_IBEAM)
1960 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1962 if (view->link_tooltip) {
1963 view->hovered_link = NULL;
1964 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
1971 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
1973 EvView *view = EV_VIEW (widget);
1975 handle_link_over_xy (view, event->x, event->y);
1981 ev_view_style_set (GtkWidget *widget,
1982 GtkStyle *old_style)
1984 if (EV_VIEW (widget)->pixbuf_cache)
1985 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
1987 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
1993 ev_gdk_color_to_rgb (const GdkColor *color)
1996 result = (0xff0000 | (color->red & 0xff00));
1998 result |= ((color->green & 0xff00) | (color->blue >> 8));
2003 draw_rubberband (GtkWidget *widget, GdkWindow *window,
2004 const GdkRectangle *rect, guchar alpha)
2008 GdkColor *fill_color_gdk;
2011 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
2012 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
2014 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
2015 rect->width, rect->height);
2016 gdk_pixbuf_fill (pixbuf, fill_color);
2018 gdk_draw_pixbuf (window, NULL, pixbuf,
2020 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
2021 rect->width, rect->height,
2022 GDK_RGB_DITHER_NONE,
2025 g_object_unref (pixbuf);
2027 gc = gdk_gc_new (window);
2028 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
2029 gdk_draw_rectangle (window, gc, FALSE,
2030 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
2033 g_object_unref (gc);
2035 gdk_color_free (fill_color_gdk);
2040 highlight_find_results (EvView *view, int page)
2042 EvDocumentFind *find;
2045 g_return_if_fail (EV_IS_DOCUMENT_FIND (view->document));
2047 find = EV_DOCUMENT_FIND (view->document);
2049 results = ev_document_find_get_n_results (find, page);
2051 for (i = 0; i < results; i++) {
2052 EvRectangle rectangle;
2053 GdkRectangle view_rectangle;
2056 if (i == view->find_result && page == view->current_page) {
2062 ev_document_find_get_result (find, page, i, &rectangle);
2063 doc_rect_to_view_rect (view, page, &rectangle, &view_rectangle);
2064 draw_rubberband (GTK_WIDGET (view), GTK_WIDGET(view)->window,
2065 &view_rectangle, alpha);
2070 draw_loading_text (EvView *view,
2071 GdkRectangle *page_area,
2072 GdkRectangle *expose_area)
2074 PangoLayout *layout;
2075 PangoFontDescription *font_desc;
2076 PangoRectangle logical_rect;
2080 const char *loading_text = _("Loading...");
2082 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
2084 font_desc = pango_font_description_new ();
2087 /* We set the font to be 10 points, get the size, and scale appropriately */
2088 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
2089 pango_layout_set_font_description (layout, font_desc);
2090 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2092 /* Make sure we fit the middle of the page */
2093 target_width = MAX (page_area->width / 2, 1);
2094 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
2095 pango_font_description_set_size (font_desc, (int)real_scale);
2096 pango_layout_set_font_description (layout, font_desc);
2097 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2099 gtk_paint_layout (GTK_WIDGET (view)->style,
2100 GTK_WIDGET (view)->window,
2101 GTK_WIDGET_STATE (view),
2106 page_area->x + (target_width/2),
2107 page_area->y + (page_area->height - logical_rect.height) / 2,
2110 pango_font_description_free (font_desc);
2111 g_object_unref (layout);
2115 draw_one_page (EvView *view,
2117 GdkRectangle *page_area,
2119 GdkRectangle *expose_area)
2122 GdkPixbuf *current_pixbuf;
2123 GdkRectangle overlap;
2124 GdkRectangle real_page_area;
2125 EvViewSelection *selection;
2128 g_assert (view->document);
2130 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
2133 current_page = ev_page_cache_get_current_page (view->page_cache);
2134 selection = find_selection_for_page (view, page);
2135 ev_page_cache_get_size (view->page_cache,
2136 page, view->rotation,
2139 /* Render the document itself */
2140 real_page_area = *page_area;
2142 real_page_area.x += border->left;
2143 real_page_area.y += border->top;
2144 real_page_area.width -= (border->left + border->right);
2145 real_page_area.height -= (border->top + border->bottom);
2147 ev_document_misc_paint_one_page (GTK_WIDGET(view)->window,
2150 page == current_page);
2152 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
2153 GdkPixbuf *selection_pixbuf = NULL;
2154 GdkPixbuf *scaled_image;
2155 GdkPixbuf *scaled_selection;
2157 current_pixbuf = ev_pixbuf_cache_get_pixbuf (view->pixbuf_cache, page);
2159 /* Get the selection pixbuf iff we have something to draw */
2160 if (current_pixbuf && view->selection_mode == EV_VIEW_SELECTION_TEXT && selection)
2161 selection_pixbuf = ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
2166 if (current_pixbuf == NULL)
2167 scaled_image = NULL;
2168 else if (width == gdk_pixbuf_get_width (current_pixbuf) &&
2169 height == gdk_pixbuf_get_height (current_pixbuf))
2170 scaled_image = g_object_ref (current_pixbuf);
2172 /* FIXME: We don't want to scale the whole area, just the right
2174 scaled_image = gdk_pixbuf_scale_simple (current_pixbuf,
2176 GDK_INTERP_NEAREST);
2178 if (selection_pixbuf == NULL)
2179 scaled_selection = NULL;
2180 else if (width == gdk_pixbuf_get_width (selection_pixbuf) &&
2181 height == gdk_pixbuf_get_height (selection_pixbuf))
2182 scaled_selection = g_object_ref (selection_pixbuf);
2184 /* FIXME: We don't want to scale the whole area, just the right
2186 scaled_selection = gdk_pixbuf_scale_simple (selection_pixbuf,
2188 GDK_INTERP_NEAREST);
2191 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2192 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2194 overlap.x - real_page_area.x,
2195 overlap.y - real_page_area.y,
2196 overlap.x, overlap.y,
2197 overlap.width, overlap.height,
2198 GDK_RGB_DITHER_NORMAL,
2200 g_object_unref (scaled_image);
2202 draw_loading_text (view,
2207 if (scaled_selection) {
2208 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2209 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2211 overlap.x - real_page_area.x,
2212 overlap.y - real_page_area.y,
2213 overlap.x, overlap.y,
2214 overlap.width, overlap.height,
2215 GDK_RGB_DITHER_NORMAL,
2217 g_object_unref (scaled_selection);
2222 /*** GObject functions ***/
2225 ev_view_finalize (GObject *object)
2227 EvView *view = EV_VIEW (object);
2231 g_free (view->status);
2232 g_free (view->find_status);
2234 clear_selection (view);
2236 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
2240 ev_view_destroy (GtkObject *object)
2242 EvView *view = EV_VIEW (object);
2244 if (view->document) {
2245 g_object_unref (view->document);
2246 view->document = NULL;
2249 if (view->pixbuf_cache) {
2250 g_object_unref (view->pixbuf_cache);
2251 view->pixbuf_cache = NULL;
2254 if (view->link_tooltip) {
2255 gtk_widget_destroy (view->link_tooltip);
2258 if (view->selection_scroll_id) {
2259 g_source_remove (view->selection_scroll_id);
2260 view->selection_scroll_id = 0;
2263 if (view->selection_update_id) {
2264 g_source_remove (view->selection_update_id);
2265 view->selection_update_id = 0;
2268 ev_view_set_scroll_adjustments (view, NULL, NULL);
2270 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
2274 ev_view_set_property (GObject *object,
2276 const GValue *value,
2279 EvView *view = EV_VIEW (object);
2283 case PROP_CONTINUOUS:
2284 ev_view_set_continuous (view, g_value_get_boolean (value));
2286 case PROP_DUAL_PAGE:
2287 ev_view_set_dual_page (view, g_value_get_boolean (value));
2289 case PROP_FULLSCREEN:
2290 ev_view_set_fullscreen (view, g_value_get_boolean (value));
2292 case PROP_PRESENTATION:
2293 ev_view_set_presentation (view, g_value_get_boolean (value));
2295 case PROP_SIZING_MODE:
2296 ev_view_set_sizing_mode (view, g_value_get_enum (value));
2299 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
2302 ev_view_set_rotation (view, g_value_get_int (value));
2305 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2310 ev_view_get_accessible (GtkWidget *widget)
2312 static gboolean first_time = TRUE;
2315 AtkObjectFactory *factory;
2316 AtkRegistry *registry;
2318 GType derived_atk_type;
2321 * Figure out whether accessibility is enabled by looking at the
2322 * type of the accessible object which would be created for
2323 * the parent type of EvView.
2325 derived_type = g_type_parent (EV_TYPE_VIEW);
2327 registry = atk_get_default_registry ();
2328 factory = atk_registry_get_factory (registry,
2330 derived_atk_type = atk_object_factory_get_accessible_type (factory);
2331 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
2332 atk_registry_set_factory_type (registry,
2334 ev_view_accessible_factory_get_type ());
2337 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
2341 ev_view_get_property (GObject *object,
2346 EvView *view = EV_VIEW (object);
2351 g_value_set_string (value, view->status);
2353 case PROP_FIND_STATUS:
2354 g_value_set_string (value, view->status);
2356 case PROP_CONTINUOUS:
2357 g_value_set_boolean (value, view->continuous);
2359 case PROP_DUAL_PAGE:
2360 g_value_set_boolean (value, view->dual_page);
2362 case PROP_FULLSCREEN:
2363 g_value_set_boolean (value, view->fullscreen);
2365 case PROP_PRESENTATION:
2366 g_value_set_boolean (value, view->presentation);
2368 case PROP_SIZING_MODE:
2369 g_value_set_enum (value, view->sizing_mode);
2372 g_value_set_double (value, view->scale);
2375 g_value_set_int (value, view->rotation);
2377 case PROP_HAS_SELECTION:
2378 g_value_set_boolean (value,
2379 view->selection_info.selections != NULL);
2382 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2387 ev_view_class_init (EvViewClass *class)
2389 GObjectClass *object_class = G_OBJECT_CLASS (class);
2390 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
2391 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
2392 GtkBindingSet *binding_set;
2394 object_class->finalize = ev_view_finalize;
2395 object_class->set_property = ev_view_set_property;
2396 object_class->get_property = ev_view_get_property;
2398 widget_class->expose_event = ev_view_expose_event;
2399 widget_class->button_press_event = ev_view_button_press_event;
2400 widget_class->motion_notify_event = ev_view_motion_notify_event;
2401 widget_class->button_release_event = ev_view_button_release_event;
2402 widget_class->focus_in_event = ev_view_focus_in;
2403 widget_class->focus_out_event = ev_view_focus_out;
2404 widget_class->get_accessible = ev_view_get_accessible;
2405 widget_class->size_request = ev_view_size_request;
2406 widget_class->size_allocate = ev_view_size_allocate;
2407 widget_class->realize = ev_view_realize;
2408 widget_class->scroll_event = ev_view_scroll_event;
2409 widget_class->enter_notify_event = ev_view_enter_notify_event;
2410 widget_class->leave_notify_event = ev_view_leave_notify_event;
2411 widget_class->style_set = ev_view_style_set;
2412 widget_class->drag_data_get = ev_view_drag_data_get;
2413 widget_class->popup_menu = ev_view_popup_menu;
2414 gtk_object_class->destroy = ev_view_destroy;
2416 class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
2417 class->binding_activated = ev_view_scroll;
2419 widget_class->set_scroll_adjustments_signal =
2420 g_signal_new ("set-scroll-adjustments",
2421 G_OBJECT_CLASS_TYPE (object_class),
2422 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2423 G_STRUCT_OFFSET (EvViewClass, set_scroll_adjustments),
2425 ev_marshal_VOID__OBJECT_OBJECT,
2427 GTK_TYPE_ADJUSTMENT,
2428 GTK_TYPE_ADJUSTMENT);
2430 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
2431 G_TYPE_FROM_CLASS (object_class),
2432 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2433 G_STRUCT_OFFSET (EvViewClass, binding_activated),
2435 ev_marshal_VOID__ENUM_BOOLEAN,
2437 GTK_TYPE_SCROLL_TYPE,
2440 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
2441 G_TYPE_FROM_CLASS (object_class),
2442 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2443 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
2445 ev_marshal_VOID__VOID,
2446 G_TYPE_NONE, 0, G_TYPE_NONE);
2447 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
2448 G_TYPE_FROM_CLASS (object_class),
2449 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2450 G_STRUCT_OFFSET (EvViewClass, external_link),
2452 g_cclosure_marshal_VOID__OBJECT,
2455 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
2456 G_TYPE_FROM_CLASS (object_class),
2457 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2458 G_STRUCT_OFFSET (EvViewClass, popup_menu),
2460 g_cclosure_marshal_VOID__OBJECT,
2464 g_object_class_install_property (object_class,
2466 g_param_spec_string ("status",
2468 "The status message",
2472 g_object_class_install_property (object_class,
2474 g_param_spec_string ("find-status",
2475 "Find Status Message",
2476 "The find status message",
2480 g_object_class_install_property (object_class,
2482 g_param_spec_boolean ("continuous",
2484 "Continuous scrolling mode",
2486 G_PARAM_READWRITE));
2488 g_object_class_install_property (object_class,
2490 g_param_spec_boolean ("dual-page",
2492 "Two pages visible at once",
2494 G_PARAM_READWRITE));
2495 g_object_class_install_property (object_class,
2497 g_param_spec_boolean ("fullscreen",
2499 "Draw page in a fullscreen fashion",
2501 G_PARAM_READWRITE));
2502 g_object_class_install_property (object_class,
2504 g_param_spec_boolean ("presentation",
2506 "Draw page in presentation mode",
2508 G_PARAM_READWRITE));
2510 g_object_class_install_property (object_class,
2512 g_param_spec_enum ("sizing-mode",
2515 EV_TYPE_SIZING_MODE,
2516 EV_SIZING_FIT_WIDTH,
2517 G_PARAM_READWRITE));
2519 g_object_class_install_property (object_class,
2521 g_param_spec_double ("zoom",
2527 G_PARAM_READWRITE));
2528 g_object_class_install_property (object_class,
2530 g_param_spec_double ("rotation",
2536 G_PARAM_READWRITE));
2537 g_object_class_install_property (object_class,
2539 g_param_spec_boolean ("has-selection",
2541 "The view has selections",
2545 binding_set = gtk_binding_set_by_class (class);
2547 add_scroll_binding_keypad (binding_set, GDK_Left, 0, EV_SCROLL_STEP_BACKWARD, TRUE);
2548 add_scroll_binding_keypad (binding_set, GDK_Right, 0, EV_SCROLL_STEP_FORWARD, TRUE);
2549 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, TRUE);
2550 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, TRUE);
2551 add_scroll_binding_keypad (binding_set, GDK_Up, 0, EV_SCROLL_STEP_BACKWARD, FALSE);
2552 add_scroll_binding_keypad (binding_set, GDK_Down, 0, EV_SCROLL_STEP_FORWARD, FALSE);
2553 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, FALSE);
2554 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, FALSE);
2558 ev_view_init (EvView *view)
2560 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
2564 view->current_page = 0;
2565 view->pressed_button = -1;
2566 view->cursor = EV_VIEW_CURSOR_NORMAL;
2567 view->drag_info.in_drag = FALSE;
2568 view->selection_info.selections = NULL;
2569 view->selection_info.in_selection = FALSE;
2570 view->selection_info.in_drag = FALSE;
2571 view->selection_mode = EV_VIEW_SELECTION_TEXT;
2572 view->continuous = TRUE;
2573 view->dual_page = FALSE;
2574 view->presentation = FALSE;
2575 view->fullscreen = FALSE;
2576 view->sizing_mode = EV_SIZING_FIT_WIDTH;
2577 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2578 view->jump_to_find_result = TRUE;
2584 find_changed_cb (EvDocument *document, int page, EvView *view)
2589 percent = ev_document_find_get_progress
2590 (EV_DOCUMENT_FIND (view->document));
2591 n_pages = ev_page_cache_get_n_pages (view->page_cache);
2593 if (view->jump_to_find_result == TRUE) {
2594 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
2595 jump_to_find_result (view);
2597 update_find_status_message (view, percent * n_pages >= n_pages - 1 );
2598 if (view->current_page == page)
2599 gtk_widget_queue_draw (GTK_WIDGET (view));
2603 job_finished_cb (EvPixbufCache *pixbuf_cache,
2606 gtk_widget_queue_draw (GTK_WIDGET (view));
2610 page_changed_cb (EvPageCache *page_cache,
2614 if (view->current_page != new_page) {
2616 view->current_page = new_page;
2617 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2618 gtk_widget_queue_resize (GTK_WIDGET (view));
2620 if (EV_IS_DOCUMENT_FIND (view->document)) {
2621 view->find_result = 0;
2622 update_find_status_message (view, TRUE);
2627 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
2632 if (! GTK_WIDGET_REALIZED (view))
2635 if (view->hadjustment) {
2636 dx = view->scroll_x - (int) view->hadjustment->value;
2637 view->scroll_x = (int) view->hadjustment->value;
2642 if (view->vadjustment) {
2643 dy = view->scroll_y - (int) view->vadjustment->value;
2644 view->scroll_y = (int) view->vadjustment->value;
2650 if (view->pending_resize)
2651 gtk_widget_queue_draw (GTK_WIDGET (view));
2653 gdk_window_scroll (GTK_WIDGET (view)->window, dx, dy);
2657 view_update_range_and_current_page (view);
2665 view = g_object_new (EV_TYPE_VIEW, NULL);
2671 setup_caches (EvView *view)
2673 view->page_cache = ev_page_cache_get (view->document);
2674 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
2675 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
2676 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
2680 clear_caches (EvView *view)
2682 if (view->pixbuf_cache) {
2683 g_object_unref (view->pixbuf_cache);
2684 view->pixbuf_cache = NULL;
2687 if (view->page_cache) {
2688 view->page_cache = NULL;
2693 ev_view_set_loading (EvView *view,
2696 view->loading = loading;
2697 gtk_widget_queue_draw (GTK_WIDGET (view));
2701 ev_view_set_document (EvView *view,
2702 EvDocument *document)
2704 g_return_if_fail (EV_IS_VIEW (view));
2706 view->loading = FALSE;
2708 if (document != view->document) {
2709 clear_caches (view);
2711 if (view->document) {
2712 g_signal_handlers_disconnect_by_func (view->document,
2715 g_object_unref (view->document);
2716 view->page_cache = NULL;
2720 view->document = document;
2721 view->find_result = 0;
2723 if (view->document) {
2724 g_object_ref (view->document);
2725 if (EV_IS_DOCUMENT_FIND (view->document)) {
2726 g_signal_connect (view->document,
2728 G_CALLBACK (find_changed_cb),
2732 setup_caches (view);
2735 gtk_widget_queue_resize (GTK_WIDGET (view));
2739 /*** Zoom and sizing mode ***/
2741 #define EPSILON 0.0000001
2743 ev_view_set_zoom (EvView *view,
2750 scale = view->scale * factor;
2754 scale = CLAMP (scale, MIN_SCALE, MAX_SCALE);
2756 if (ABS (view->scale - scale) < EPSILON)
2759 view->scale = scale;
2760 view->pending_resize = TRUE;
2762 gtk_widget_queue_resize (GTK_WIDGET (view));
2764 g_object_notify (G_OBJECT (view), "zoom");
2768 ev_view_get_zoom (EvView *view)
2774 ev_view_get_continuous (EvView *view)
2776 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2778 return view->continuous;
2782 ev_view_set_continuous (EvView *view,
2783 gboolean continuous)
2785 g_return_if_fail (EV_IS_VIEW (view));
2787 continuous = continuous != FALSE;
2789 if (view->continuous != continuous) {
2790 view->continuous = continuous;
2791 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2792 gtk_widget_queue_resize (GTK_WIDGET (view));
2795 g_object_notify (G_OBJECT (view), "continuous");
2799 ev_view_get_dual_page (EvView *view)
2801 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2803 return view->dual_page;
2807 ev_view_set_dual_page (EvView *view,
2810 g_return_if_fail (EV_IS_VIEW (view));
2812 dual_page = dual_page != FALSE;
2814 if (view->dual_page == dual_page)
2817 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2818 view->dual_page = dual_page;
2819 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
2820 * preload_cache_size to be 2 if dual_page is set.
2822 gtk_widget_queue_resize (GTK_WIDGET (view));
2824 g_object_notify (G_OBJECT (view), "dual-page");
2828 ev_view_set_fullscreen (EvView *view,
2829 gboolean fullscreen)
2831 g_return_if_fail (EV_IS_VIEW (view));
2833 fullscreen = fullscreen != FALSE;
2835 if (view->fullscreen == fullscreen)
2838 view->fullscreen = fullscreen;
2839 gtk_widget_queue_resize (GTK_WIDGET (view));
2841 g_object_notify (G_OBJECT (view), "fullscreen");
2845 ev_view_get_fullscreen (EvView *view)
2847 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2849 return view->fullscreen;
2853 ev_view_set_presentation (EvView *view,
2854 gboolean presentation)
2856 g_return_if_fail (EV_IS_VIEW (view));
2858 presentation = presentation != FALSE;
2860 if (view->presentation == presentation)
2863 view->presentation = presentation;
2864 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2865 gtk_widget_queue_resize (GTK_WIDGET (view));
2867 if (GTK_WIDGET_REALIZED (view)) {
2868 if (view->presentation)
2869 gdk_window_set_background (GTK_WIDGET(view)->window,
2870 >K_WIDGET (view)->style->black);
2872 gdk_window_set_background (GTK_WIDGET(view)->window,
2873 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
2877 g_object_notify (G_OBJECT (view), "presentation");
2881 ev_view_get_presentation (EvView *view)
2883 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2885 return view->presentation;
2889 ev_view_set_sizing_mode (EvView *view,
2890 EvSizingMode sizing_mode)
2892 g_return_if_fail (EV_IS_VIEW (view));
2894 if (view->sizing_mode == sizing_mode)
2897 view->sizing_mode = sizing_mode;
2898 gtk_widget_queue_resize (GTK_WIDGET (view));
2900 g_object_notify (G_OBJECT (view), "sizing-mode");
2904 ev_view_get_sizing_mode (EvView *view)
2906 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
2908 return view->sizing_mode;
2912 ev_view_can_zoom_in (EvView *view)
2914 return view->scale * ZOOM_IN_FACTOR <= MAX_SCALE;
2918 ev_view_can_zoom_out (EvView *view)
2920 return view->scale * ZOOM_OUT_FACTOR >= MIN_SCALE;
2924 ev_view_zoom_in (EvView *view)
2926 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
2928 view->pending_scroll = SCROLL_TO_CENTER;
2929 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
2933 ev_view_zoom_out (EvView *view)
2935 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
2937 view->pending_scroll = SCROLL_TO_CENTER;
2938 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
2942 ev_view_rotate_right (EvView *view)
2944 int rotation = view->rotation + 90;
2946 if (rotation >= 360) {
2950 ev_view_set_rotation (view, rotation);
2954 ev_view_rotate_left (EvView *view)
2956 int rotation = view->rotation - 90;
2962 ev_view_set_rotation (view, rotation);
2966 ev_view_set_rotation (EvView *view, int rotation)
2968 view->rotation = rotation;
2970 if (view->pixbuf_cache) {
2971 ev_pixbuf_cache_clear (view->pixbuf_cache);
2972 gtk_widget_queue_resize (GTK_WIDGET (view));
2976 clear_selection (view);
2978 g_object_notify (G_OBJECT (view), "rotation");
2982 ev_view_get_rotation (EvView *view)
2984 return view->rotation;
2988 zoom_for_size_fit_width (int doc_width,
2996 scale = (double)target_width / doc_width;
2998 if (doc_height * scale > target_height)
2999 scale = (double) (target_width - vsb_width) / doc_width;
3005 zoom_for_size_fit_height (int doc_width,
3013 scale = (double)target_height / doc_height;
3015 if (doc_width * scale > target_width)
3016 scale = (double) (target_height - vsb_height) / doc_height;
3022 zoom_for_size_best_fit (int doc_width,
3032 w_scale = (double)target_width / doc_width;
3033 h_scale = (double)target_height / doc_height;
3035 if (doc_height * w_scale > target_height)
3036 w_scale = (double) (target_width - vsb_width) / doc_width;
3037 if (doc_width * h_scale > target_width)
3038 h_scale = (double) (target_height - hsb_width) / doc_height;
3040 return MIN (w_scale, h_scale);
3045 ev_view_zoom_for_size_presentation (EvView *view,
3049 int doc_width, doc_height;
3052 ev_page_cache_get_size (view->page_cache,
3058 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
3059 ev_view_set_zoom (view, scale, FALSE);
3063 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
3069 int doc_width, doc_height;
3073 ev_page_cache_get_max_width (view->page_cache,
3077 ev_page_cache_get_max_height (view->page_cache,
3081 compute_border (view, doc_width, doc_height, &border);
3083 doc_width = doc_width * 2;
3084 width -= (2 * (border.left + border.right) + 3 * view->spacing);
3085 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3087 /* FIXME: We really need to calculate the overall height here, not the
3088 * page height. We assume there's always a vertical scrollbar for
3089 * now. We need to fix this. */
3090 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3091 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3092 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3093 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3095 g_assert_not_reached ();
3097 ev_view_set_zoom (view, scale, FALSE);
3101 ev_view_zoom_for_size_continuous (EvView *view,
3107 int doc_width, doc_height;
3111 ev_page_cache_get_max_width (view->page_cache,
3115 ev_page_cache_get_max_height (view->page_cache,
3119 compute_border (view, doc_width, doc_height, &border);
3121 width -= (border.left + border.right + 2 * view->spacing);
3122 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3124 /* FIXME: We really need to calculate the overall height here, not the
3125 * page height. We assume there's always a vertical scrollbar for
3126 * now. We need to fix this. */
3127 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3128 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3129 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3130 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3132 g_assert_not_reached ();
3134 ev_view_set_zoom (view, scale, FALSE);
3138 ev_view_zoom_for_size_dual_page (EvView *view,
3145 gint doc_width, doc_height;
3149 other_page = view->current_page ^ 1;
3151 /* Find the largest of the two. */
3152 ev_page_cache_get_size (view->page_cache,
3156 &doc_width, &doc_height);
3158 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
3159 gint width_2, height_2;
3160 ev_page_cache_get_size (view->page_cache,
3164 &width_2, &height_2);
3165 if (width_2 > doc_width)
3166 doc_width = width_2;
3167 if (height_2 > doc_height)
3168 doc_height = height_2;
3170 compute_border (view, doc_width, doc_height, &border);
3172 doc_width = doc_width * 2;
3173 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
3174 height -= (border.top + border.bottom + 2 * view->spacing);
3176 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3177 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3178 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3179 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3181 g_assert_not_reached ();
3183 ev_view_set_zoom (view, scale, FALSE);
3187 ev_view_zoom_for_size_single_page (EvView *view,
3193 int doc_width, doc_height;
3197 ev_page_cache_get_size (view->page_cache,
3203 /* Get an approximate border */
3204 compute_border (view, width, height, &border);
3206 width -= (border.left + border.right + 2 * view->spacing);
3207 height -= (border.top + border.bottom + 2 * view->spacing);
3209 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3210 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3211 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3212 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3214 g_assert_not_reached ();
3216 ev_view_set_zoom (view, scale, FALSE);
3220 ev_view_set_zoom_for_size (EvView *view,
3226 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
3227 view->sizing_mode == EV_SIZING_BEST_FIT);
3228 g_return_if_fail (width >= 0);
3229 g_return_if_fail (height >= 0);
3231 if (view->document == NULL)
3234 if (view->presentation)
3235 ev_view_zoom_for_size_presentation (view, width, height);
3236 else if (view->continuous && view->dual_page)
3237 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
3238 else if (view->continuous)
3239 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
3240 else if (view->dual_page)
3241 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
3243 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
3246 /*** Status text messages ***/
3249 ev_view_get_status (EvView *view)
3251 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3253 return view->status;
3257 ev_view_set_status (EvView *view, const char *message)
3259 g_return_if_fail (EV_IS_VIEW (view));
3261 if (message != view->status) {
3262 g_free (view->status);
3263 view->status = g_strdup (message);
3264 g_object_notify (G_OBJECT (view), "status");
3269 update_find_status_message (EvView *view, gboolean this_page)
3276 results = ev_document_find_get_n_results
3277 (EV_DOCUMENT_FIND (view->document),
3278 view->current_page);
3279 /* TRANS: Sometimes this could be better translated as
3280 "%d hit(s) on this page". Therefore this string
3281 contains plural cases. */
3282 message = g_strdup_printf (ngettext ("%d found on this page",
3283 "%d found on this page",
3289 percent = ev_document_find_get_progress
3290 (EV_DOCUMENT_FIND (view->document));
3291 message = g_strdup_printf (_("%3d%% remaining to search"),
3292 (int) ((1.0 - percent) * 100));
3295 ev_view_set_find_status (view, message);
3300 ev_view_get_find_status (EvView *view)
3302 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3304 return view->find_status;
3308 ev_view_set_find_status (EvView *view, const char *message)
3310 g_return_if_fail (EV_IS_VIEW (view));
3312 g_free (view->find_status);
3313 view->find_status = g_strdup (message);
3314 g_object_notify (G_OBJECT (view), "find-status");
3320 jump_to_find_result (EvView *view)
3322 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3324 GdkRectangle view_rect;
3326 int page = view->current_page;
3328 n_results = ev_document_find_get_n_results (find, page);
3330 if (n_results > 0 && view->find_result < n_results) {
3331 ev_document_find_get_result
3332 (find, page, view->find_result, &rect);
3334 doc_rect_to_view_rect (view, page, &rect, &view_rect);
3335 ensure_rectangle_is_visible (view, &view_rect);
3341 * @view: #EvView instance
3342 * @direction: Direction to look
3343 * @shift: Shift from current page
3345 * Jumps to the first page that has occurences of searched word.
3346 * Uses a direction where to look and a shift from current page.
3350 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
3354 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3356 for (i = 0; i < n_pages; i++) {
3360 if (direction == EV_VIEW_FIND_NEXT)
3361 page = view->current_page + i;
3363 page = view->current_page - i;
3366 if (page >= n_pages) {
3367 page = page - n_pages;
3370 page = page + n_pages;
3372 has_results = ev_document_find_page_has_results
3373 (EV_DOCUMENT_FIND (view->document), page);
3374 if (has_results == -1) {
3376 } else if (has_results == 1) {
3377 ev_page_cache_set_current_page (view->page_cache, page);
3384 ev_view_can_find_next (EvView *view)
3386 if (EV_IS_DOCUMENT_FIND (view->document)) {
3387 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3390 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3391 for (i = 0; i < n_pages; i++) {
3392 if (ev_document_find_get_n_results (find, i) > 0) {
3402 ev_view_find_next (EvView *view)
3404 int n_results, n_pages;
3405 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3407 n_results = ev_document_find_get_n_results (find, view->current_page);
3409 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3411 view->find_result++;
3413 if (view->find_result >= n_results) {
3415 view->find_result = 0;
3416 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
3417 jump_to_find_result (view);
3419 jump_to_find_result (view);
3420 gtk_widget_queue_draw (GTK_WIDGET (view));
3425 ev_view_find_previous (EvView *view)
3427 int n_results, n_pages;
3428 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3429 EvPageCache *page_cache;
3431 page_cache = ev_page_cache_get (view->document);
3433 n_results = ev_document_find_get_n_results (find, view->current_page);
3435 n_pages = ev_page_cache_get_n_pages (page_cache);
3437 view->find_result--;
3439 if (view->find_result < 0) {
3441 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
3442 view->find_result = ev_document_find_get_n_results (find, view->current_page) - 1;
3443 jump_to_find_result (view);
3445 jump_to_find_result (view);
3446 gtk_widget_queue_draw (GTK_WIDGET (view));
3450 void ev_view_search_changed (EvView *view)
3452 /* search string has changed, focus on new search result */
3453 view->jump_to_find_result = TRUE;
3456 /*** Selections ***/
3458 /* compute_new_selection_rect/text calculates the area currently selected by
3459 * view_rect. each handles a different mode;
3462 compute_new_selection_rect (EvView *view,
3466 GdkRectangle view_rect;
3470 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
3472 view_rect.x = MIN (start->x, stop->x);
3473 view_rect.y = MIN (start->y, stop->y);
3474 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
3475 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
3477 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3479 for (i = 0; i < n_pages; i++) {
3480 GdkRectangle page_area;
3483 if (get_page_extents (view, i, &page_area, &border)) {
3484 GdkRectangle overlap;
3486 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
3487 EvViewSelection *selection;
3489 selection = g_new0 (EvViewSelection, 1);
3490 selection->page = i;
3491 view_rect_to_doc_rect (view, &overlap, &page_area,
3492 &(selection->rect));
3494 list = g_list_append (list, selection);
3503 gdk_rectangle_point_in (GdkRectangle *rectangle,
3506 return rectangle->x <= point->x &&
3507 rectangle->y <= point->y &&
3508 point->x < rectangle->x + rectangle->width &&
3509 point->y < rectangle->y + rectangle->height;
3513 compute_new_selection_text (EvView *view,
3517 int n_pages, i, first, last;
3519 EvViewSelection *selection;
3521 int start_page, end_page;
3523 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
3525 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3527 /* First figure out the range of pages the selection
3531 if (view->continuous) {
3534 } else if (view->dual_page) {
3535 start_page = view->start_page;
3536 end_page = view->end_page + 1;
3538 start_page = view->current_page;
3539 end_page = view->current_page + 1;
3542 for (i = start_page; i < end_page; i++) {
3543 GdkRectangle page_area;
3546 get_page_extents (view, i, &page_area, &border);
3547 if (gdk_rectangle_point_in (&page_area, start) ||
3548 gdk_rectangle_point_in (&page_area, stop)) {
3549 if (first == n_pages)
3558 /* Now create a list of EvViewSelection's for the affected
3559 * pages. This could be an empty list, a list of just one
3560 * page or a number of pages.*/
3561 for (i = first; i < last + 1; i++) {
3562 GdkRectangle page_area;
3566 ev_page_cache_get_size (view->page_cache, i,
3568 1.0, &width, &height);
3570 selection = g_new0 (EvViewSelection, 1);
3571 selection->page = i;
3572 selection->rect.x1 = selection->rect.y1 = 0;
3573 selection->rect.x2 = width;
3574 selection->rect.y2 = height;
3576 get_page_extents (view, i, &page_area, &border);
3578 if (gdk_rectangle_point_in (&page_area, start))
3584 view_point_to_doc_point (view, point, &page_area,
3585 &selection->rect.x1,
3586 &selection->rect.y1);
3588 /* If the selection is contained within just one page,
3589 * make sure we don't write 'start' into both points
3590 * in selection->rect. */
3595 view_point_to_doc_point (view, point, &page_area,
3596 &selection->rect.x2,
3597 &selection->rect.y2);
3599 list = g_list_append (list, selection);
3605 /* This function takes the newly calculated list, and figures out which regions
3606 * have changed. It then queues a redraw approporiately.
3609 merge_selection_region (EvView *view,
3613 GList *new_list_ptr, *old_list_ptr;
3615 /* Update the selection */
3616 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
3617 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
3618 view->selection_info.selections = new_list;
3619 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
3620 g_object_notify (G_OBJECT (view), "has-selection");
3622 new_list_ptr = new_list;
3623 old_list_ptr = old_list;
3625 while (new_list_ptr || old_list_ptr) {
3626 EvViewSelection *old_sel, *new_sel;
3628 GdkRegion *region = NULL;
3630 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
3631 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
3633 /* Assume that the lists are in order, and we run through them
3634 * comparing them, one page at a time. We come out with the
3635 * first page we see. */
3636 if (new_sel && old_sel) {
3637 if (new_sel->page < old_sel->page) {
3638 new_list_ptr = new_list_ptr->next;
3640 } else if (new_sel->page > old_sel->page) {
3641 old_list_ptr = old_list_ptr->next;
3644 new_list_ptr = new_list_ptr->next;
3645 old_list_ptr = old_list_ptr->next;
3647 } else if (new_sel) {
3648 new_list_ptr = new_list_ptr->next;
3649 } else if (old_sel) {
3650 old_list_ptr = old_list_ptr->next;
3653 g_assert (new_sel || old_sel);
3655 /* is the page we're looking at on the screen?*/
3656 cur_page = new_sel ? new_sel->page : old_sel->page;
3657 if (cur_page < view->start_page || cur_page > view->end_page)
3660 /* seed the cache with a new page. We are going to need the new
3663 GdkRegion *tmp_region = NULL;
3664 ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
3669 new_sel->covered_region = gdk_region_copy (tmp_region);
3673 /* Now we figure out what needs redrawing */
3674 if (old_sel && new_sel) {
3675 if (old_sel->covered_region &&
3676 new_sel->covered_region) {
3677 /* We only want to redraw the areas that have
3678 * changed, so we xor the old and new regions
3679 * and redraw if it's different */
3680 region = gdk_region_copy (old_sel->covered_region);
3681 gdk_region_xor (region, new_sel->covered_region);
3682 if (gdk_region_empty (region)) {
3683 gdk_region_destroy (region);
3686 } else if (old_sel->covered_region) {
3687 region = gdk_region_copy (old_sel->covered_region);
3688 } else if (new_sel->covered_region) {
3689 region = gdk_region_copy (new_sel->covered_region);
3691 } else if (old_sel && !new_sel) {
3692 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
3693 region = gdk_region_copy (old_sel->covered_region);
3695 } else if (!old_sel && new_sel) {
3696 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
3697 region = gdk_region_copy (new_sel->covered_region);
3700 g_assert_not_reached ();
3703 /* Redraw the damaged region! */
3705 GdkRectangle page_area;
3708 get_page_extents (view, cur_page, &page_area, &border);
3709 gdk_region_offset (region,
3710 page_area.x + border.left - view->scroll_x,
3711 page_area.y + border.top - view->scroll_y);
3712 gdk_window_invalidate_region (GTK_WIDGET (view)->window, region, TRUE);
3713 gdk_region_destroy (region);
3717 /* Free the old list, now that we're done with it. */
3718 g_list_foreach (old_list, (GFunc) selection_free, NULL);
3722 compute_selections (EvView *view,
3728 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
3729 list = compute_new_selection_rect (view, start, stop);
3731 list = compute_new_selection_text (view, start, stop);
3732 merge_selection_region (view, list);
3735 /* Free's the selection. It's up to the caller to queue redraws if needed.
3738 selection_free (EvViewSelection *selection)
3740 if (selection->covered_region)
3741 gdk_region_destroy (selection->covered_region);
3746 clear_selection (EvView *view)
3748 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
3749 view->selection_info.selections = NULL;
3750 view->selection_info.in_selection = FALSE;
3751 g_object_notify (G_OBJECT (view), "has-selection");
3756 ev_view_select_all (EvView *view)
3760 /* Disable selection on rotated pages for the 0.4.0 series */
3761 if (view->rotation != 0)
3764 clear_selection (view);
3766 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3767 for (i = 0; i < n_pages; i++) {
3769 EvViewSelection *selection;
3771 ev_page_cache_get_size (view->page_cache,
3774 1.0, &width, &height);
3776 selection = g_new0 (EvViewSelection, 1);
3777 selection->page = i;
3778 selection->rect.x1 = selection->rect.y1 = 0;
3779 selection->rect.x2 = width;
3780 selection->rect.y2 = height;
3782 view->selection_info.selections = g_list_append (view->selection_info.selections, selection);
3785 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, view->selection_info.selections);
3786 g_object_notify (G_OBJECT (view), "has-selection");
3787 gtk_widget_queue_draw (GTK_WIDGET (view));
3791 ev_view_get_has_selection (EvView *view)
3793 return view->selection_info.selections != NULL;
3797 get_selected_text (EvView *ev_view)
3802 text = g_string_new (NULL);
3804 ev_document_doc_mutex_lock ();
3806 for (l = ev_view->selection_info.selections; l != NULL; l = l->next) {
3807 EvViewSelection *selection = (EvViewSelection *)l->data;
3810 tmp = ev_document_get_text (ev_view->document,
3813 g_string_append (text, tmp);
3817 ev_document_doc_mutex_unlock ();
3819 return g_string_free (text, FALSE);
3823 ev_view_copy (EvView *ev_view)
3825 GtkClipboard *clipboard;
3828 if (!ev_document_can_get_text (ev_view->document)) {
3832 text = get_selected_text (ev_view);
3833 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
3834 GDK_SELECTION_CLIPBOARD);
3835 gtk_clipboard_set_text (clipboard, text, -1);
3840 ev_view_primary_get_cb (GtkClipboard *clipboard,
3841 GtkSelectionData *selection_data,
3845 EvView *ev_view = EV_VIEW (data);
3848 if (!ev_document_can_get_text (ev_view->document)) {
3852 text = get_selected_text (ev_view);
3853 gtk_selection_data_set_text (selection_data, text, -1);
3858 ev_view_primary_clear_cb (GtkClipboard *clipboard,
3861 EvView *view = EV_VIEW (data);
3863 clear_selection (view);
3867 ev_view_update_primary_selection (EvView *ev_view)
3869 GtkClipboard *clipboard;
3871 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
3872 GDK_SELECTION_PRIMARY);
3874 if (ev_view->selection_info.selections) {
3875 if (!gtk_clipboard_set_with_owner (clipboard,
3877 G_N_ELEMENTS (targets),
3878 ev_view_primary_get_cb,
3879 ev_view_primary_clear_cb,
3880 G_OBJECT (ev_view)))
3881 ev_view_primary_clear_cb (clipboard, ev_view);
3883 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
3884 gtk_clipboard_clear (clipboard);
3888 /*** Cursor operations ***/
3891 ev_view_create_invisible_cursor(void)
3894 GdkColor black = { 0, 0, 0, 0 };
3895 static char bits[] = { 0x00 };
3897 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
3899 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
3903 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
3905 GdkCursor *cursor = NULL;
3906 GdkDisplay *display;
3909 if (view->cursor == new_cursor) {
3913 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
3914 display = gtk_widget_get_display (widget);
3915 view->cursor = new_cursor;
3917 switch (new_cursor) {
3918 case EV_VIEW_CURSOR_NORMAL:
3919 gdk_window_set_cursor (widget->window, NULL);
3921 case EV_VIEW_CURSOR_IBEAM:
3922 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
3924 case EV_VIEW_CURSOR_LINK:
3925 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
3927 case EV_VIEW_CURSOR_WAIT:
3928 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
3930 case EV_VIEW_CURSOR_HIDDEN:
3931 cursor = ev_view_create_invisible_cursor ();
3933 case EV_VIEW_CURSOR_DRAG:
3934 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
3939 gdk_window_set_cursor (widget->window, cursor);
3940 gdk_cursor_unref (cursor);
3946 ev_view_hide_cursor (EvView *view)
3948 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
3952 ev_view_show_cursor (EvView *view)
3954 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
3958 ev_view_next_page (EvView *view)
3962 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3964 page = ev_page_cache_get_current_page (view->page_cache);
3966 if (view->dual_page && !view->presentation)
3971 if (page < ev_page_cache_get_n_pages (view->page_cache)) {
3972 ev_page_cache_set_current_page (view->page_cache, page);
3974 } else if (ev_view_get_dual_page (view) && page == ev_page_cache_get_n_pages (view->page_cache)) {
3975 ev_page_cache_set_current_page (view->page_cache, page - 1);
3983 ev_view_previous_page (EvView *view)
3987 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3989 page = ev_page_cache_get_current_page (view->page_cache);
3991 if (view->dual_page && !view->presentation)
3997 ev_page_cache_set_current_page (view->page_cache, page);
3999 } else if (ev_view_get_dual_page (view) && page == -1) {
4000 ev_page_cache_set_current_page (view->page_cache, 0);
4007 /*** Enum description for usage in signal ***/
4010 ev_sizing_mode_get_type (void)
4012 static GType etype = 0;
4014 static const GEnumValue values[] = {
4015 { EV_SIZING_FIT_WIDTH, "EV_SIZING_FIT_WIDTH", "fit-width" },
4016 { EV_SIZING_BEST_FIT, "EV_SIZING_BEST_FIT", "best-fit" },
4017 { EV_SIZING_FREE, "EV_SIZING_FREE", "free" },
4020 etype = g_enum_register_static ("EvSizingMode", values);
4026 ev_scroll_type_get_type (void)
4028 static GType etype = 0;
4030 static const GEnumValue values[] = {
4031 { EV_SCROLL_PAGE_FORWARD, "EV_SCROLL_PAGE_FORWARD", "scroll-page-forward" },
4032 { EV_SCROLL_PAGE_BACKWARD, "EV_SCROLL_PAGE_BACKWARD", "scroll-page-backward" },
4033 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
4034 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
4035 { EV_SCROLL_STEP_UP, "EV_SCROLL_STEP_UP", "scroll-step-up" },
4036 { EV_SCROLL_STEP_DOWN, "EV_SCROLL_STEP_DOWN", "scroll-step-down" },
4039 etype = g_enum_register_static ("EvScrollType", values);