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;
2127 g_assert (view->document);
2128 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
2131 selection = find_selection_for_page (view, page);
2132 ev_page_cache_get_size (view->page_cache,
2133 page, view->rotation,
2136 /* Render the document itself */
2137 real_page_area = *page_area;
2139 real_page_area.x += border->left;
2140 real_page_area.y += border->top;
2141 real_page_area.width -= (border->left + border->right);
2142 real_page_area.height -= (border->top + border->bottom);
2144 ev_document_misc_paint_one_page (GTK_WIDGET(view)->window,
2148 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
2149 GdkPixbuf *selection_pixbuf = NULL;
2150 GdkPixbuf *scaled_image;
2151 GdkPixbuf *scaled_selection;
2153 current_pixbuf = ev_pixbuf_cache_get_pixbuf (view->pixbuf_cache, page);
2155 /* Get the selection pixbuf iff we have something to draw */
2156 if (current_pixbuf && view->selection_mode == EV_VIEW_SELECTION_TEXT && selection)
2157 selection_pixbuf = ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
2162 if (current_pixbuf == NULL)
2163 scaled_image = NULL;
2164 else if (width == gdk_pixbuf_get_width (current_pixbuf) &&
2165 height == gdk_pixbuf_get_height (current_pixbuf))
2166 scaled_image = g_object_ref (current_pixbuf);
2168 /* FIXME: We don't want to scale the whole area, just the right
2170 scaled_image = gdk_pixbuf_scale_simple (current_pixbuf,
2172 GDK_INTERP_NEAREST);
2174 if (selection_pixbuf == NULL)
2175 scaled_selection = NULL;
2176 else if (width == gdk_pixbuf_get_width (selection_pixbuf) &&
2177 height == gdk_pixbuf_get_height (selection_pixbuf))
2178 scaled_selection = g_object_ref (selection_pixbuf);
2180 /* FIXME: We don't want to scale the whole area, just the right
2182 scaled_selection = gdk_pixbuf_scale_simple (selection_pixbuf,
2184 GDK_INTERP_NEAREST);
2187 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2188 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2190 overlap.x - real_page_area.x,
2191 overlap.y - real_page_area.y,
2192 overlap.x, overlap.y,
2193 overlap.width, overlap.height,
2194 GDK_RGB_DITHER_NORMAL,
2196 g_object_unref (scaled_image);
2198 draw_loading_text (view,
2203 if (scaled_selection) {
2204 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2205 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2207 overlap.x - real_page_area.x,
2208 overlap.y - real_page_area.y,
2209 overlap.x, overlap.y,
2210 overlap.width, overlap.height,
2211 GDK_RGB_DITHER_NORMAL,
2213 g_object_unref (scaled_selection);
2218 /*** GObject functions ***/
2221 ev_view_finalize (GObject *object)
2223 EvView *view = EV_VIEW (object);
2227 g_free (view->status);
2228 g_free (view->find_status);
2230 clear_selection (view);
2232 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
2236 ev_view_destroy (GtkObject *object)
2238 EvView *view = EV_VIEW (object);
2240 if (view->document) {
2241 g_object_unref (view->document);
2242 view->document = NULL;
2245 if (view->pixbuf_cache) {
2246 g_object_unref (view->pixbuf_cache);
2247 view->pixbuf_cache = NULL;
2250 if (view->link_tooltip) {
2251 gtk_widget_destroy (view->link_tooltip);
2254 if (view->selection_scroll_id) {
2255 g_source_remove (view->selection_scroll_id);
2256 view->selection_scroll_id = 0;
2259 if (view->selection_update_id) {
2260 g_source_remove (view->selection_update_id);
2261 view->selection_update_id = 0;
2264 ev_view_set_scroll_adjustments (view, NULL, NULL);
2266 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
2270 ev_view_set_property (GObject *object,
2272 const GValue *value,
2275 EvView *view = EV_VIEW (object);
2279 case PROP_CONTINUOUS:
2280 ev_view_set_continuous (view, g_value_get_boolean (value));
2282 case PROP_DUAL_PAGE:
2283 ev_view_set_dual_page (view, g_value_get_boolean (value));
2285 case PROP_FULLSCREEN:
2286 ev_view_set_fullscreen (view, g_value_get_boolean (value));
2288 case PROP_PRESENTATION:
2289 ev_view_set_presentation (view, g_value_get_boolean (value));
2291 case PROP_SIZING_MODE:
2292 ev_view_set_sizing_mode (view, g_value_get_enum (value));
2295 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
2298 ev_view_set_rotation (view, g_value_get_int (value));
2301 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2306 ev_view_get_accessible (GtkWidget *widget)
2308 static gboolean first_time = TRUE;
2311 AtkObjectFactory *factory;
2312 AtkRegistry *registry;
2314 GType derived_atk_type;
2317 * Figure out whether accessibility is enabled by looking at the
2318 * type of the accessible object which would be created for
2319 * the parent type of EvView.
2321 derived_type = g_type_parent (EV_TYPE_VIEW);
2323 registry = atk_get_default_registry ();
2324 factory = atk_registry_get_factory (registry,
2326 derived_atk_type = atk_object_factory_get_accessible_type (factory);
2327 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
2328 atk_registry_set_factory_type (registry,
2330 ev_view_accessible_factory_get_type ());
2333 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
2337 ev_view_get_property (GObject *object,
2342 EvView *view = EV_VIEW (object);
2347 g_value_set_string (value, view->status);
2349 case PROP_FIND_STATUS:
2350 g_value_set_string (value, view->status);
2352 case PROP_CONTINUOUS:
2353 g_value_set_boolean (value, view->continuous);
2355 case PROP_DUAL_PAGE:
2356 g_value_set_boolean (value, view->dual_page);
2358 case PROP_FULLSCREEN:
2359 g_value_set_boolean (value, view->fullscreen);
2361 case PROP_PRESENTATION:
2362 g_value_set_boolean (value, view->presentation);
2364 case PROP_SIZING_MODE:
2365 g_value_set_enum (value, view->sizing_mode);
2368 g_value_set_double (value, view->scale);
2371 g_value_set_int (value, view->rotation);
2373 case PROP_HAS_SELECTION:
2374 g_value_set_boolean (value,
2375 view->selection_info.selections != NULL);
2378 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2383 ev_view_class_init (EvViewClass *class)
2385 GObjectClass *object_class = G_OBJECT_CLASS (class);
2386 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
2387 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
2388 GtkBindingSet *binding_set;
2390 object_class->finalize = ev_view_finalize;
2391 object_class->set_property = ev_view_set_property;
2392 object_class->get_property = ev_view_get_property;
2394 widget_class->expose_event = ev_view_expose_event;
2395 widget_class->button_press_event = ev_view_button_press_event;
2396 widget_class->motion_notify_event = ev_view_motion_notify_event;
2397 widget_class->button_release_event = ev_view_button_release_event;
2398 widget_class->focus_in_event = ev_view_focus_in;
2399 widget_class->focus_out_event = ev_view_focus_out;
2400 widget_class->get_accessible = ev_view_get_accessible;
2401 widget_class->size_request = ev_view_size_request;
2402 widget_class->size_allocate = ev_view_size_allocate;
2403 widget_class->realize = ev_view_realize;
2404 widget_class->scroll_event = ev_view_scroll_event;
2405 widget_class->enter_notify_event = ev_view_enter_notify_event;
2406 widget_class->leave_notify_event = ev_view_leave_notify_event;
2407 widget_class->style_set = ev_view_style_set;
2408 widget_class->drag_data_get = ev_view_drag_data_get;
2409 widget_class->popup_menu = ev_view_popup_menu;
2410 gtk_object_class->destroy = ev_view_destroy;
2412 class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
2413 class->binding_activated = ev_view_scroll;
2415 widget_class->set_scroll_adjustments_signal =
2416 g_signal_new ("set-scroll-adjustments",
2417 G_OBJECT_CLASS_TYPE (object_class),
2418 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2419 G_STRUCT_OFFSET (EvViewClass, set_scroll_adjustments),
2421 ev_marshal_VOID__OBJECT_OBJECT,
2423 GTK_TYPE_ADJUSTMENT,
2424 GTK_TYPE_ADJUSTMENT);
2426 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
2427 G_TYPE_FROM_CLASS (object_class),
2428 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2429 G_STRUCT_OFFSET (EvViewClass, binding_activated),
2431 ev_marshal_VOID__ENUM_BOOLEAN,
2433 GTK_TYPE_SCROLL_TYPE,
2436 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
2437 G_TYPE_FROM_CLASS (object_class),
2438 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2439 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
2441 ev_marshal_VOID__VOID,
2442 G_TYPE_NONE, 0, G_TYPE_NONE);
2443 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
2444 G_TYPE_FROM_CLASS (object_class),
2445 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2446 G_STRUCT_OFFSET (EvViewClass, external_link),
2448 g_cclosure_marshal_VOID__OBJECT,
2451 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
2452 G_TYPE_FROM_CLASS (object_class),
2453 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2454 G_STRUCT_OFFSET (EvViewClass, popup_menu),
2456 g_cclosure_marshal_VOID__OBJECT,
2460 g_object_class_install_property (object_class,
2462 g_param_spec_string ("status",
2464 "The status message",
2468 g_object_class_install_property (object_class,
2470 g_param_spec_string ("find-status",
2471 "Find Status Message",
2472 "The find status message",
2476 g_object_class_install_property (object_class,
2478 g_param_spec_boolean ("continuous",
2480 "Continuous scrolling mode",
2482 G_PARAM_READWRITE));
2484 g_object_class_install_property (object_class,
2486 g_param_spec_boolean ("dual-page",
2488 "Two pages visible at once",
2490 G_PARAM_READWRITE));
2491 g_object_class_install_property (object_class,
2493 g_param_spec_boolean ("fullscreen",
2495 "Draw page in a fullscreen fashion",
2497 G_PARAM_READWRITE));
2498 g_object_class_install_property (object_class,
2500 g_param_spec_boolean ("presentation",
2502 "Draw page in presentation mode",
2504 G_PARAM_READWRITE));
2506 g_object_class_install_property (object_class,
2508 g_param_spec_enum ("sizing-mode",
2511 EV_TYPE_SIZING_MODE,
2512 EV_SIZING_FIT_WIDTH,
2513 G_PARAM_READWRITE));
2515 g_object_class_install_property (object_class,
2517 g_param_spec_double ("zoom",
2523 G_PARAM_READWRITE));
2524 g_object_class_install_property (object_class,
2526 g_param_spec_double ("rotation",
2532 G_PARAM_READWRITE));
2533 g_object_class_install_property (object_class,
2535 g_param_spec_boolean ("has-selection",
2537 "The view has selections",
2541 binding_set = gtk_binding_set_by_class (class);
2543 add_scroll_binding_keypad (binding_set, GDK_Left, 0, EV_SCROLL_STEP_BACKWARD, TRUE);
2544 add_scroll_binding_keypad (binding_set, GDK_Right, 0, EV_SCROLL_STEP_FORWARD, TRUE);
2545 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, TRUE);
2546 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, TRUE);
2547 add_scroll_binding_keypad (binding_set, GDK_Up, 0, EV_SCROLL_STEP_BACKWARD, FALSE);
2548 add_scroll_binding_keypad (binding_set, GDK_Down, 0, EV_SCROLL_STEP_FORWARD, FALSE);
2549 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, FALSE);
2550 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, FALSE);
2554 ev_view_init (EvView *view)
2556 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
2560 view->current_page = 0;
2561 view->pressed_button = -1;
2562 view->cursor = EV_VIEW_CURSOR_NORMAL;
2563 view->drag_info.in_drag = FALSE;
2564 view->selection_info.selections = NULL;
2565 view->selection_info.in_selection = FALSE;
2566 view->selection_info.in_drag = FALSE;
2567 view->selection_mode = EV_VIEW_SELECTION_TEXT;
2568 view->continuous = TRUE;
2569 view->dual_page = FALSE;
2570 view->presentation = FALSE;
2571 view->fullscreen = FALSE;
2572 view->sizing_mode = EV_SIZING_FIT_WIDTH;
2573 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2574 view->jump_to_find_result = TRUE;
2580 find_changed_cb (EvDocument *document, int page, EvView *view)
2585 percent = ev_document_find_get_progress
2586 (EV_DOCUMENT_FIND (view->document));
2587 n_pages = ev_page_cache_get_n_pages (view->page_cache);
2589 if (view->jump_to_find_result == TRUE) {
2590 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
2591 jump_to_find_result (view);
2593 update_find_status_message (view, percent * n_pages >= n_pages - 1 );
2594 if (view->current_page == page)
2595 gtk_widget_queue_draw (GTK_WIDGET (view));
2599 job_finished_cb (EvPixbufCache *pixbuf_cache,
2602 gtk_widget_queue_draw (GTK_WIDGET (view));
2606 page_changed_cb (EvPageCache *page_cache,
2610 if (view->current_page != new_page) {
2612 view->current_page = new_page;
2613 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2614 gtk_widget_queue_resize (GTK_WIDGET (view));
2616 if (EV_IS_DOCUMENT_FIND (view->document)) {
2617 view->find_result = 0;
2618 update_find_status_message (view, TRUE);
2623 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
2628 if (! GTK_WIDGET_REALIZED (view))
2631 if (view->hadjustment) {
2632 dx = view->scroll_x - (int) view->hadjustment->value;
2633 view->scroll_x = (int) view->hadjustment->value;
2638 if (view->vadjustment) {
2639 dy = view->scroll_y - (int) view->vadjustment->value;
2640 view->scroll_y = (int) view->vadjustment->value;
2646 if (view->pending_resize)
2647 gtk_widget_queue_draw (GTK_WIDGET (view));
2649 gdk_window_scroll (GTK_WIDGET (view)->window, dx, dy);
2653 view_update_range_and_current_page (view);
2661 view = g_object_new (EV_TYPE_VIEW, NULL);
2667 setup_caches (EvView *view)
2669 view->page_cache = ev_page_cache_get (view->document);
2670 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
2671 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
2672 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
2676 clear_caches (EvView *view)
2678 if (view->pixbuf_cache) {
2679 g_object_unref (view->pixbuf_cache);
2680 view->pixbuf_cache = NULL;
2683 if (view->page_cache) {
2684 view->page_cache = NULL;
2689 ev_view_set_loading (EvView *view,
2692 view->loading = loading;
2693 gtk_widget_queue_draw (GTK_WIDGET (view));
2697 ev_view_set_document (EvView *view,
2698 EvDocument *document)
2700 g_return_if_fail (EV_IS_VIEW (view));
2702 view->loading = FALSE;
2704 if (document != view->document) {
2705 clear_caches (view);
2707 if (view->document) {
2708 g_signal_handlers_disconnect_by_func (view->document,
2711 g_object_unref (view->document);
2712 view->page_cache = NULL;
2716 view->document = document;
2717 view->find_result = 0;
2719 if (view->document) {
2720 g_object_ref (view->document);
2721 if (EV_IS_DOCUMENT_FIND (view->document)) {
2722 g_signal_connect (view->document,
2724 G_CALLBACK (find_changed_cb),
2728 setup_caches (view);
2731 gtk_widget_queue_resize (GTK_WIDGET (view));
2735 /*** Zoom and sizing mode ***/
2737 #define EPSILON 0.0000001
2739 ev_view_set_zoom (EvView *view,
2746 scale = view->scale * factor;
2750 scale = CLAMP (scale, MIN_SCALE, MAX_SCALE);
2752 if (ABS (view->scale - scale) < EPSILON)
2755 view->scale = scale;
2756 view->pending_resize = TRUE;
2758 gtk_widget_queue_resize (GTK_WIDGET (view));
2760 g_object_notify (G_OBJECT (view), "zoom");
2764 ev_view_get_zoom (EvView *view)
2770 ev_view_get_continuous (EvView *view)
2772 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2774 return view->continuous;
2778 ev_view_set_continuous (EvView *view,
2779 gboolean continuous)
2781 g_return_if_fail (EV_IS_VIEW (view));
2783 continuous = continuous != FALSE;
2785 if (view->continuous != continuous) {
2786 view->continuous = continuous;
2787 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2788 gtk_widget_queue_resize (GTK_WIDGET (view));
2791 g_object_notify (G_OBJECT (view), "continuous");
2795 ev_view_get_dual_page (EvView *view)
2797 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2799 return view->dual_page;
2803 ev_view_set_dual_page (EvView *view,
2806 g_return_if_fail (EV_IS_VIEW (view));
2808 dual_page = dual_page != FALSE;
2810 if (view->dual_page == dual_page)
2813 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2814 view->dual_page = dual_page;
2815 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
2816 * preload_cache_size to be 2 if dual_page is set.
2818 gtk_widget_queue_resize (GTK_WIDGET (view));
2820 g_object_notify (G_OBJECT (view), "dual-page");
2824 ev_view_set_fullscreen (EvView *view,
2825 gboolean fullscreen)
2827 g_return_if_fail (EV_IS_VIEW (view));
2829 fullscreen = fullscreen != FALSE;
2831 if (view->fullscreen == fullscreen)
2834 view->fullscreen = fullscreen;
2835 gtk_widget_queue_resize (GTK_WIDGET (view));
2837 g_object_notify (G_OBJECT (view), "fullscreen");
2841 ev_view_get_fullscreen (EvView *view)
2843 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2845 return view->fullscreen;
2849 ev_view_set_presentation (EvView *view,
2850 gboolean presentation)
2852 g_return_if_fail (EV_IS_VIEW (view));
2854 presentation = presentation != FALSE;
2856 if (view->presentation == presentation)
2859 view->presentation = presentation;
2860 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2861 gtk_widget_queue_resize (GTK_WIDGET (view));
2863 if (GTK_WIDGET_REALIZED (view)) {
2864 if (view->presentation)
2865 gdk_window_set_background (GTK_WIDGET(view)->window,
2866 >K_WIDGET (view)->style->black);
2868 gdk_window_set_background (GTK_WIDGET(view)->window,
2869 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
2873 g_object_notify (G_OBJECT (view), "presentation");
2877 ev_view_get_presentation (EvView *view)
2879 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2881 return view->presentation;
2885 ev_view_set_sizing_mode (EvView *view,
2886 EvSizingMode sizing_mode)
2888 g_return_if_fail (EV_IS_VIEW (view));
2890 if (view->sizing_mode == sizing_mode)
2893 view->sizing_mode = sizing_mode;
2894 gtk_widget_queue_resize (GTK_WIDGET (view));
2896 g_object_notify (G_OBJECT (view), "sizing-mode");
2900 ev_view_get_sizing_mode (EvView *view)
2902 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
2904 return view->sizing_mode;
2908 ev_view_can_zoom_in (EvView *view)
2910 return view->scale * ZOOM_IN_FACTOR <= MAX_SCALE;
2914 ev_view_can_zoom_out (EvView *view)
2916 return view->scale * ZOOM_OUT_FACTOR >= MIN_SCALE;
2920 ev_view_zoom_in (EvView *view)
2922 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
2924 view->pending_scroll = SCROLL_TO_CENTER;
2925 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
2929 ev_view_zoom_out (EvView *view)
2931 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
2933 view->pending_scroll = SCROLL_TO_CENTER;
2934 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
2938 ev_view_rotate_right (EvView *view)
2940 int rotation = view->rotation + 90;
2942 if (rotation >= 360) {
2946 ev_view_set_rotation (view, rotation);
2950 ev_view_rotate_left (EvView *view)
2952 int rotation = view->rotation - 90;
2958 ev_view_set_rotation (view, rotation);
2962 ev_view_set_rotation (EvView *view, int rotation)
2964 view->rotation = rotation;
2966 if (view->pixbuf_cache) {
2967 ev_pixbuf_cache_clear (view->pixbuf_cache);
2968 gtk_widget_queue_resize (GTK_WIDGET (view));
2972 clear_selection (view);
2974 g_object_notify (G_OBJECT (view), "rotation");
2978 ev_view_get_rotation (EvView *view)
2980 return view->rotation;
2984 zoom_for_size_fit_width (int doc_width,
2992 scale = (double)target_width / doc_width;
2994 if (doc_height * scale > target_height)
2995 scale = (double) (target_width - vsb_width) / doc_width;
3001 zoom_for_size_fit_height (int doc_width,
3009 scale = (double)target_height / doc_height;
3011 if (doc_width * scale > target_width)
3012 scale = (double) (target_height - vsb_height) / doc_height;
3018 zoom_for_size_best_fit (int doc_width,
3028 w_scale = (double)target_width / doc_width;
3029 h_scale = (double)target_height / doc_height;
3031 if (doc_height * w_scale > target_height)
3032 w_scale = (double) (target_width - vsb_width) / doc_width;
3033 if (doc_width * h_scale > target_width)
3034 h_scale = (double) (target_height - hsb_width) / doc_height;
3036 return MIN (w_scale, h_scale);
3041 ev_view_zoom_for_size_presentation (EvView *view,
3045 int doc_width, doc_height;
3048 ev_page_cache_get_size (view->page_cache,
3054 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
3055 ev_view_set_zoom (view, scale, FALSE);
3059 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
3065 int doc_width, doc_height;
3069 ev_page_cache_get_max_width (view->page_cache,
3073 ev_page_cache_get_max_height (view->page_cache,
3077 compute_border (view, doc_width, doc_height, &border);
3079 doc_width = doc_width * 2;
3080 width -= (2 * (border.left + border.right) + 3 * view->spacing);
3081 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3083 /* FIXME: We really need to calculate the overall height here, not the
3084 * page height. We assume there's always a vertical scrollbar for
3085 * now. We need to fix this. */
3086 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3087 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3088 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3089 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3091 g_assert_not_reached ();
3093 ev_view_set_zoom (view, scale, FALSE);
3097 ev_view_zoom_for_size_continuous (EvView *view,
3103 int doc_width, doc_height;
3107 ev_page_cache_get_max_width (view->page_cache,
3111 ev_page_cache_get_max_height (view->page_cache,
3115 compute_border (view, doc_width, doc_height, &border);
3117 width -= (border.left + border.right + 2 * view->spacing);
3118 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3120 /* FIXME: We really need to calculate the overall height here, not the
3121 * page height. We assume there's always a vertical scrollbar for
3122 * now. We need to fix this. */
3123 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3124 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3125 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3126 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3128 g_assert_not_reached ();
3130 ev_view_set_zoom (view, scale, FALSE);
3134 ev_view_zoom_for_size_dual_page (EvView *view,
3141 gint doc_width, doc_height;
3145 other_page = view->current_page ^ 1;
3147 /* Find the largest of the two. */
3148 ev_page_cache_get_size (view->page_cache,
3152 &doc_width, &doc_height);
3154 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
3155 gint width_2, height_2;
3156 ev_page_cache_get_size (view->page_cache,
3160 &width_2, &height_2);
3161 if (width_2 > doc_width)
3162 doc_width = width_2;
3163 if (height_2 > doc_height)
3164 doc_height = height_2;
3166 compute_border (view, doc_width, doc_height, &border);
3168 doc_width = doc_width * 2;
3169 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
3170 height -= (border.top + border.bottom + 2 * view->spacing);
3172 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3173 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3174 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3175 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3177 g_assert_not_reached ();
3179 ev_view_set_zoom (view, scale, FALSE);
3183 ev_view_zoom_for_size_single_page (EvView *view,
3189 int doc_width, doc_height;
3193 ev_page_cache_get_size (view->page_cache,
3199 /* Get an approximate border */
3200 compute_border (view, width, height, &border);
3202 width -= (border.left + border.right + 2 * view->spacing);
3203 height -= (border.top + border.bottom + 2 * view->spacing);
3205 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3206 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3207 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3208 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3210 g_assert_not_reached ();
3212 ev_view_set_zoom (view, scale, FALSE);
3216 ev_view_set_zoom_for_size (EvView *view,
3222 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
3223 view->sizing_mode == EV_SIZING_BEST_FIT);
3224 g_return_if_fail (width >= 0);
3225 g_return_if_fail (height >= 0);
3227 if (view->document == NULL)
3230 if (view->presentation)
3231 ev_view_zoom_for_size_presentation (view, width, height);
3232 else if (view->continuous && view->dual_page)
3233 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
3234 else if (view->continuous)
3235 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
3236 else if (view->dual_page)
3237 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
3239 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
3242 /*** Status text messages ***/
3245 ev_view_get_status (EvView *view)
3247 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3249 return view->status;
3253 ev_view_set_status (EvView *view, const char *message)
3255 g_return_if_fail (EV_IS_VIEW (view));
3257 if (message != view->status) {
3258 g_free (view->status);
3259 view->status = g_strdup (message);
3260 g_object_notify (G_OBJECT (view), "status");
3265 update_find_status_message (EvView *view, gboolean this_page)
3272 results = ev_document_find_get_n_results
3273 (EV_DOCUMENT_FIND (view->document),
3274 view->current_page);
3275 /* TRANS: Sometimes this could be better translated as
3276 "%d hit(s) on this page". Therefore this string
3277 contains plural cases. */
3278 message = g_strdup_printf (ngettext ("%d found on this page",
3279 "%d found on this page",
3285 percent = ev_document_find_get_progress
3286 (EV_DOCUMENT_FIND (view->document));
3287 message = g_strdup_printf (_("%3d%% remaining to search"),
3288 (int) ((1.0 - percent) * 100));
3291 ev_view_set_find_status (view, message);
3296 ev_view_get_find_status (EvView *view)
3298 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3300 return view->find_status;
3304 ev_view_set_find_status (EvView *view, const char *message)
3306 g_return_if_fail (EV_IS_VIEW (view));
3308 g_free (view->find_status);
3309 view->find_status = g_strdup (message);
3310 g_object_notify (G_OBJECT (view), "find-status");
3316 jump_to_find_result (EvView *view)
3318 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3320 GdkRectangle view_rect;
3322 int page = view->current_page;
3324 n_results = ev_document_find_get_n_results (find, page);
3326 if (n_results > 0 && view->find_result < n_results) {
3327 ev_document_find_get_result
3328 (find, page, view->find_result, &rect);
3330 doc_rect_to_view_rect (view, page, &rect, &view_rect);
3331 ensure_rectangle_is_visible (view, &view_rect);
3337 * @view: #EvView instance
3338 * @direction: Direction to look
3339 * @shift: Shift from current page
3341 * Jumps to the first page that has occurences of searched word.
3342 * Uses a direction where to look and a shift from current page.
3346 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
3350 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3352 for (i = 0; i < n_pages; i++) {
3356 if (direction == EV_VIEW_FIND_NEXT)
3357 page = view->current_page + i;
3359 page = view->current_page - i;
3362 if (page >= n_pages) {
3363 page = page - n_pages;
3366 page = page + n_pages;
3368 has_results = ev_document_find_page_has_results
3369 (EV_DOCUMENT_FIND (view->document), page);
3370 if (has_results == -1) {
3372 } else if (has_results == 1) {
3373 ev_page_cache_set_current_page (view->page_cache, page);
3380 ev_view_can_find_next (EvView *view)
3382 if (EV_IS_DOCUMENT_FIND (view->document)) {
3383 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3386 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3387 for (i = 0; i < n_pages; i++) {
3388 if (ev_document_find_get_n_results (find, i) > 0) {
3398 ev_view_find_next (EvView *view)
3400 int n_results, n_pages;
3401 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3403 n_results = ev_document_find_get_n_results (find, view->current_page);
3405 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3407 view->find_result++;
3409 if (view->find_result >= n_results) {
3411 view->find_result = 0;
3412 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
3413 jump_to_find_result (view);
3415 jump_to_find_result (view);
3416 gtk_widget_queue_draw (GTK_WIDGET (view));
3421 ev_view_find_previous (EvView *view)
3423 int n_results, n_pages;
3424 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3425 EvPageCache *page_cache;
3427 page_cache = ev_page_cache_get (view->document);
3429 n_results = ev_document_find_get_n_results (find, view->current_page);
3431 n_pages = ev_page_cache_get_n_pages (page_cache);
3433 view->find_result--;
3435 if (view->find_result < 0) {
3437 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
3438 view->find_result = ev_document_find_get_n_results (find, view->current_page) - 1;
3439 jump_to_find_result (view);
3441 jump_to_find_result (view);
3442 gtk_widget_queue_draw (GTK_WIDGET (view));
3446 void ev_view_search_changed (EvView *view)
3448 /* search string has changed, focus on new search result */
3449 view->jump_to_find_result = TRUE;
3452 /*** Selections ***/
3454 /* compute_new_selection_rect/text calculates the area currently selected by
3455 * view_rect. each handles a different mode;
3458 compute_new_selection_rect (EvView *view,
3462 GdkRectangle view_rect;
3466 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
3468 view_rect.x = MIN (start->x, stop->x);
3469 view_rect.y = MIN (start->y, stop->y);
3470 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
3471 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
3473 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3475 for (i = 0; i < n_pages; i++) {
3476 GdkRectangle page_area;
3479 if (get_page_extents (view, i, &page_area, &border)) {
3480 GdkRectangle overlap;
3482 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
3483 EvViewSelection *selection;
3485 selection = g_new0 (EvViewSelection, 1);
3486 selection->page = i;
3487 view_rect_to_doc_rect (view, &overlap, &page_area,
3488 &(selection->rect));
3490 list = g_list_append (list, selection);
3499 gdk_rectangle_point_in (GdkRectangle *rectangle,
3502 return rectangle->x <= point->x &&
3503 rectangle->y <= point->y &&
3504 point->x < rectangle->x + rectangle->width &&
3505 point->y < rectangle->y + rectangle->height;
3509 compute_new_selection_text (EvView *view,
3513 int n_pages, i, first, last;
3515 EvViewSelection *selection;
3517 int start_page, end_page;
3519 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
3521 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3523 /* First figure out the range of pages the selection
3527 if (view->continuous) {
3530 } else if (view->dual_page) {
3531 start_page = view->start_page;
3532 end_page = view->end_page + 1;
3534 start_page = view->current_page;
3535 end_page = view->current_page + 1;
3538 for (i = start_page; i < end_page; i++) {
3539 GdkRectangle page_area;
3542 get_page_extents (view, i, &page_area, &border);
3543 if (gdk_rectangle_point_in (&page_area, start) ||
3544 gdk_rectangle_point_in (&page_area, stop)) {
3545 if (first == n_pages)
3554 /* Now create a list of EvViewSelection's for the affected
3555 * pages. This could be an empty list, a list of just one
3556 * page or a number of pages.*/
3557 for (i = first; i < last + 1; i++) {
3558 GdkRectangle page_area;
3562 ev_page_cache_get_size (view->page_cache, i,
3564 1.0, &width, &height);
3566 selection = g_new0 (EvViewSelection, 1);
3567 selection->page = i;
3568 selection->rect.x1 = selection->rect.y1 = 0;
3569 selection->rect.x2 = width;
3570 selection->rect.y2 = height;
3572 get_page_extents (view, i, &page_area, &border);
3574 if (gdk_rectangle_point_in (&page_area, start))
3580 view_point_to_doc_point (view, point, &page_area,
3581 &selection->rect.x1,
3582 &selection->rect.y1);
3584 /* If the selection is contained within just one page,
3585 * make sure we don't write 'start' into both points
3586 * in selection->rect. */
3591 view_point_to_doc_point (view, point, &page_area,
3592 &selection->rect.x2,
3593 &selection->rect.y2);
3595 list = g_list_append (list, selection);
3601 /* This function takes the newly calculated list, and figures out which regions
3602 * have changed. It then queues a redraw approporiately.
3605 merge_selection_region (EvView *view,
3609 GList *new_list_ptr, *old_list_ptr;
3611 /* Update the selection */
3612 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
3613 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
3614 view->selection_info.selections = new_list;
3615 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
3616 g_object_notify (G_OBJECT (view), "has-selection");
3618 new_list_ptr = new_list;
3619 old_list_ptr = old_list;
3621 while (new_list_ptr || old_list_ptr) {
3622 EvViewSelection *old_sel, *new_sel;
3624 GdkRegion *region = NULL;
3626 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
3627 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
3629 /* Assume that the lists are in order, and we run through them
3630 * comparing them, one page at a time. We come out with the
3631 * first page we see. */
3632 if (new_sel && old_sel) {
3633 if (new_sel->page < old_sel->page) {
3634 new_list_ptr = new_list_ptr->next;
3636 } else if (new_sel->page > old_sel->page) {
3637 old_list_ptr = old_list_ptr->next;
3640 new_list_ptr = new_list_ptr->next;
3641 old_list_ptr = old_list_ptr->next;
3643 } else if (new_sel) {
3644 new_list_ptr = new_list_ptr->next;
3645 } else if (old_sel) {
3646 old_list_ptr = old_list_ptr->next;
3649 g_assert (new_sel || old_sel);
3651 /* is the page we're looking at on the screen?*/
3652 cur_page = new_sel ? new_sel->page : old_sel->page;
3653 if (cur_page < view->start_page || cur_page > view->end_page)
3656 /* seed the cache with a new page. We are going to need the new
3659 GdkRegion *tmp_region = NULL;
3660 ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
3665 new_sel->covered_region = gdk_region_copy (tmp_region);
3669 /* Now we figure out what needs redrawing */
3670 if (old_sel && new_sel) {
3671 if (old_sel->covered_region &&
3672 new_sel->covered_region) {
3673 /* We only want to redraw the areas that have
3674 * changed, so we xor the old and new regions
3675 * and redraw if it's different */
3676 region = gdk_region_copy (old_sel->covered_region);
3677 gdk_region_xor (region, new_sel->covered_region);
3678 if (gdk_region_empty (region)) {
3679 gdk_region_destroy (region);
3682 } else if (old_sel->covered_region) {
3683 region = gdk_region_copy (old_sel->covered_region);
3684 } else if (new_sel->covered_region) {
3685 region = gdk_region_copy (new_sel->covered_region);
3687 } else if (old_sel && !new_sel) {
3688 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
3689 region = gdk_region_copy (old_sel->covered_region);
3691 } else if (!old_sel && new_sel) {
3692 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
3693 region = gdk_region_copy (new_sel->covered_region);
3696 g_assert_not_reached ();
3699 /* Redraw the damaged region! */
3701 GdkRectangle page_area;
3704 get_page_extents (view, cur_page, &page_area, &border);
3705 gdk_region_offset (region,
3706 page_area.x + border.left - view->scroll_x,
3707 page_area.y + border.top - view->scroll_y);
3708 gdk_window_invalidate_region (GTK_WIDGET (view)->window, region, TRUE);
3709 gdk_region_destroy (region);
3713 /* Free the old list, now that we're done with it. */
3714 g_list_foreach (old_list, (GFunc) selection_free, NULL);
3718 compute_selections (EvView *view,
3724 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
3725 list = compute_new_selection_rect (view, start, stop);
3727 list = compute_new_selection_text (view, start, stop);
3728 merge_selection_region (view, list);
3731 /* Free's the selection. It's up to the caller to queue redraws if needed.
3734 selection_free (EvViewSelection *selection)
3736 if (selection->covered_region)
3737 gdk_region_destroy (selection->covered_region);
3742 clear_selection (EvView *view)
3744 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
3745 view->selection_info.selections = NULL;
3746 view->selection_info.in_selection = FALSE;
3747 g_object_notify (G_OBJECT (view), "has-selection");
3752 ev_view_select_all (EvView *view)
3756 /* Disable selection on rotated pages for the 0.4.0 series */
3757 if (view->rotation != 0)
3760 clear_selection (view);
3762 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3763 for (i = 0; i < n_pages; i++) {
3765 EvViewSelection *selection;
3767 ev_page_cache_get_size (view->page_cache,
3770 1.0, &width, &height);
3772 selection = g_new0 (EvViewSelection, 1);
3773 selection->page = i;
3774 selection->rect.x1 = selection->rect.y1 = 0;
3775 selection->rect.x2 = width;
3776 selection->rect.y2 = height;
3778 view->selection_info.selections = g_list_append (view->selection_info.selections, selection);
3781 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, view->selection_info.selections);
3782 g_object_notify (G_OBJECT (view), "has-selection");
3783 gtk_widget_queue_draw (GTK_WIDGET (view));
3787 ev_view_get_has_selection (EvView *view)
3789 return view->selection_info.selections != NULL;
3793 get_selected_text (EvView *ev_view)
3798 text = g_string_new (NULL);
3800 ev_document_doc_mutex_lock ();
3802 for (l = ev_view->selection_info.selections; l != NULL; l = l->next) {
3803 EvViewSelection *selection = (EvViewSelection *)l->data;
3806 tmp = ev_document_get_text (ev_view->document,
3809 g_string_append (text, tmp);
3813 ev_document_doc_mutex_unlock ();
3815 return g_string_free (text, FALSE);
3819 ev_view_copy (EvView *ev_view)
3821 GtkClipboard *clipboard;
3824 if (!ev_document_can_get_text (ev_view->document)) {
3828 text = get_selected_text (ev_view);
3829 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
3830 GDK_SELECTION_CLIPBOARD);
3831 gtk_clipboard_set_text (clipboard, text, -1);
3836 ev_view_primary_get_cb (GtkClipboard *clipboard,
3837 GtkSelectionData *selection_data,
3841 EvView *ev_view = EV_VIEW (data);
3844 if (!ev_document_can_get_text (ev_view->document)) {
3848 text = get_selected_text (ev_view);
3849 gtk_selection_data_set_text (selection_data, text, -1);
3854 ev_view_primary_clear_cb (GtkClipboard *clipboard,
3857 EvView *view = EV_VIEW (data);
3859 clear_selection (view);
3863 ev_view_update_primary_selection (EvView *ev_view)
3865 GtkClipboard *clipboard;
3867 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
3868 GDK_SELECTION_PRIMARY);
3870 if (ev_view->selection_info.selections) {
3871 if (!gtk_clipboard_set_with_owner (clipboard,
3873 G_N_ELEMENTS (targets),
3874 ev_view_primary_get_cb,
3875 ev_view_primary_clear_cb,
3876 G_OBJECT (ev_view)))
3877 ev_view_primary_clear_cb (clipboard, ev_view);
3879 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
3880 gtk_clipboard_clear (clipboard);
3884 /*** Cursor operations ***/
3887 ev_view_create_invisible_cursor(void)
3890 GdkColor black = { 0, 0, 0, 0 };
3891 static char bits[] = { 0x00 };
3893 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
3895 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
3899 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
3901 GdkCursor *cursor = NULL;
3902 GdkDisplay *display;
3905 if (view->cursor == new_cursor) {
3909 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
3910 display = gtk_widget_get_display (widget);
3911 view->cursor = new_cursor;
3913 switch (new_cursor) {
3914 case EV_VIEW_CURSOR_NORMAL:
3915 gdk_window_set_cursor (widget->window, NULL);
3917 case EV_VIEW_CURSOR_IBEAM:
3918 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
3920 case EV_VIEW_CURSOR_LINK:
3921 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
3923 case EV_VIEW_CURSOR_WAIT:
3924 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
3926 case EV_VIEW_CURSOR_HIDDEN:
3927 cursor = ev_view_create_invisible_cursor ();
3929 case EV_VIEW_CURSOR_DRAG:
3930 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
3935 gdk_window_set_cursor (widget->window, cursor);
3936 gdk_cursor_unref (cursor);
3942 ev_view_hide_cursor (EvView *view)
3944 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
3948 ev_view_show_cursor (EvView *view)
3950 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
3954 ev_view_next_page (EvView *view)
3958 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3960 page = ev_page_cache_get_current_page (view->page_cache);
3961 page = ev_view_get_dual_page (view) ? page + 2 : page + 1;
3963 if (page < ev_page_cache_get_n_pages (view->page_cache)) {
3964 ev_page_cache_set_current_page (view->page_cache, page);
3966 } else if (ev_view_get_dual_page (view) && page == ev_page_cache_get_n_pages (view->page_cache)) {
3967 ev_page_cache_set_current_page (view->page_cache, page - 1);
3975 ev_view_previous_page (EvView *view)
3979 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3981 page = ev_page_cache_get_current_page (view->page_cache);
3982 page = ev_view_get_dual_page (view) ? page - 2 : page - 1;
3985 ev_page_cache_set_current_page (view->page_cache, page);
3987 } else if (ev_view_get_dual_page (view) && page == -1) {
3988 ev_page_cache_set_current_page (view->page_cache, 0);
3995 /*** Enum description for usage in signal ***/
3998 ev_sizing_mode_get_type (void)
4000 static GType etype = 0;
4002 static const GEnumValue values[] = {
4003 { EV_SIZING_FIT_WIDTH, "EV_SIZING_FIT_WIDTH", "fit-width" },
4004 { EV_SIZING_BEST_FIT, "EV_SIZING_BEST_FIT", "best-fit" },
4005 { EV_SIZING_FREE, "EV_SIZING_FREE", "free" },
4008 etype = g_enum_register_static ("EvSizingMode", values);
4014 ev_scroll_type_get_type (void)
4016 static GType etype = 0;
4018 static const GEnumValue values[] = {
4019 { EV_SCROLL_PAGE_FORWARD, "EV_SCROLL_PAGE_FORWARD", "scroll-page-forward" },
4020 { EV_SCROLL_PAGE_BACKWARD, "EV_SCROLL_PAGE_BACKWARD", "scroll-page-backward" },
4021 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
4022 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
4023 { EV_SCROLL_STEP_UP, "EV_SCROLL_STEP_UP", "scroll-step-up" },
4024 { EV_SCROLL_STEP_DOWN, "EV_SCROLL_STEP_DOWN", "scroll-step-down" },
4027 etype = g_enum_register_static ("EvScrollType", values);