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-links.h"
37 #include "ev-document-find.h"
38 #include "ev-document-misc.h"
40 #include "ev-job-queue.h"
41 #include "ev-page-cache.h"
42 #include "ev-pixbuf-cache.h"
43 #include "ev-tooltip.h"
45 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
46 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
47 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
65 SIGNAL_BINDING_ACTIVATED,
77 TARGET_TEXT_BUFFER_CONTENTS
80 static const GtkTargetEntry targets[] = {
81 { "STRING", 0, TARGET_STRING },
82 { "TEXT", 0, TARGET_TEXT },
83 { "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT },
84 { "UTF8_STRING", 0, TARGET_UTF8_STRING },
87 static guint signals[N_SIGNALS];
92 } EvViewFindDirection;
94 #define ZOOM_IN_FACTOR 1.2
95 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
97 #define MIN_SCALE 0.05409
100 #define SCROLL_TIME 150
103 static void scroll_to_current_page (EvView *view,
104 GtkOrientation orientation);
105 static void ev_view_set_scroll_adjustments (EvView *view,
106 GtkAdjustment *hadjustment,
107 GtkAdjustment *vadjustment);
108 static void view_update_range_and_current_page (EvView *view);
109 static void set_scroll_adjustment (EvView *view,
110 GtkOrientation orientation,
111 GtkAdjustment *adjustment);
112 static void ev_view_set_scroll_adjustments (EvView *view,
113 GtkAdjustment *hadjustment,
114 GtkAdjustment *vadjustment);
115 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
117 GdkModifierType modifiers,
119 gboolean horizontal);
120 static void ensure_rectangle_is_visible (EvView *view,
123 /*** Geometry computations ***/
124 static void compute_border (EvView *view,
128 static void get_page_y_offset (EvView *view,
132 static gboolean get_page_extents (EvView *view,
134 GdkRectangle *page_area,
136 static void view_rect_to_doc_rect (EvView *view,
137 GdkRectangle *view_rect,
138 GdkRectangle *page_area,
139 EvRectangle *doc_rect);
140 static void doc_rect_to_view_rect (EvView *view,
142 EvRectangle *doc_rect,
143 GdkRectangle *view_rect);
144 static void find_page_at_location (EvView *view,
150 static gboolean doc_point_to_view_point (EvView *view,
153 GdkPoint *view_point);
155 static EvLink * ev_view_get_link_at_location (EvView *view,
158 static char* tip_from_link (EvView *view,
160 static void handle_link_over_xy (EvView *view,
163 /*** GtkWidget implementation ***/
164 static void ev_view_size_request_continuous_dual_page (EvView *view,
165 GtkRequisition *requisition);
166 static void ev_view_size_request_continuous (EvView *view,
167 GtkRequisition *requisition);
168 static void ev_view_size_request_dual_page (EvView *view,
169 GtkRequisition *requisition);
170 static void ev_view_size_request_single_page (EvView *view,
171 GtkRequisition *requisition);
172 static void ev_view_size_request (GtkWidget *widget,
173 GtkRequisition *requisition);
174 static void ev_view_size_allocate (GtkWidget *widget,
175 GtkAllocation *allocation);
176 static void ev_view_realize (GtkWidget *widget);
177 static gboolean ev_view_scroll_event (GtkWidget *widget,
178 GdkEventScroll *event);
179 static gboolean ev_view_expose_event (GtkWidget *widget,
180 GdkEventExpose *event);
181 static gboolean ev_view_popup_menu (GtkWidget *widget);
182 static gboolean ev_view_button_press_event (GtkWidget *widget,
183 GdkEventButton *event);
184 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
185 GdkEventMotion *event);
186 static gboolean ev_view_button_release_event (GtkWidget *widget,
187 GdkEventButton *event);
188 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
189 GdkEventCrossing *event);
190 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
191 GdkEventCrossing *event);
192 static void ev_view_style_set (GtkWidget *widget,
193 GtkStyle *old_style);
195 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
198 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
199 static void draw_rubberband (GtkWidget *widget,
201 const GdkRectangle *rect,
203 static void highlight_find_results (EvView *view,
205 static void draw_one_page (EvView *view,
207 GdkRectangle *page_area,
209 GdkRectangle *expose_area,
210 gboolean *page_ready);
211 static void draw_loading_text (EvView *view,
212 GdkRectangle *page_area,
213 GdkRectangle *expose_area);
216 static void find_changed_cb (EvDocument *document,
219 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
221 static void page_changed_cb (EvPageCache *page_cache,
224 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
228 static void ev_view_finalize (GObject *object);
229 static void ev_view_destroy (GtkObject *object);
230 static void ev_view_set_property (GObject *object,
234 static void ev_view_get_property (GObject *object,
238 static void ev_view_class_init (EvViewClass *class);
239 static void ev_view_init (EvView *view);
241 /*** Zoom and sizing ***/
242 static double zoom_for_size_fit_width (int doc_width,
247 static double zoom_for_size_fit_height (int doc_width,
252 static double zoom_for_size_best_fit (int doc_width,
258 static void ev_view_zoom_for_size_presentation (EvView *view,
261 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
266 static void ev_view_zoom_for_size_continuous (EvView *view,
271 static void ev_view_zoom_for_size_dual_page (EvView *view,
276 static void ev_view_zoom_for_size_single_page (EvView *view,
282 static GdkCursor* ev_view_create_invisible_cursor (void);
283 static void ev_view_set_cursor (EvView *view,
284 EvViewCursor new_cursor);
286 /*** Status messages ***/
287 static void ev_view_set_status (EvView *view,
288 const char *message);
289 static void update_find_status_message (EvView *view,
291 static void ev_view_set_find_status (EvView *view,
292 const char *message);
294 static void jump_to_find_result (EvView *view);
295 static void jump_to_find_page (EvView *view,
296 EvViewFindDirection direction,
300 static void compute_selections (EvView *view,
303 static void clear_selection (EvView *view);
304 static void selection_free (EvViewSelection *selection);
305 static char* get_selected_text (EvView *ev_view);
306 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
307 GtkSelectionData *selection_data,
310 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
312 static void ev_view_update_primary_selection (EvView *ev_view);
315 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_WIDGET)
318 scroll_to_current_page (EvView *view, GtkOrientation orientation)
322 if (view->document == NULL) {
326 doc_point_to_view_point (view, view->current_page, &view->pending_point, &view_point);
328 if (orientation == GTK_ORIENTATION_VERTICAL) {
329 view->pending_point.y = 0;
331 view->pending_point.x = 0;
334 if (orientation == GTK_ORIENTATION_VERTICAL) {
335 if (view->continuous) {
336 gtk_adjustment_clamp_page (view->vadjustment,
337 view_point.y - view->spacing / 2,
338 view_point.y + view->vadjustment->page_size);
340 gtk_adjustment_set_value (view->vadjustment,
342 view->vadjustment->lower,
343 view->vadjustment->upper -
344 view->vadjustment->page_size));
347 if (view->dual_page) {
348 gtk_adjustment_clamp_page (view->hadjustment,
350 view_point.x + view->hadjustment->page_size);
352 gtk_adjustment_set_value (view->hadjustment,
354 view->hadjustment->lower,
355 view->hadjustment->upper -
356 view->hadjustment->page_size));
362 view_set_adjustment_values (EvView *view,
363 GtkOrientation orientation)
365 GtkWidget *widget = GTK_WIDGET (view);
366 GtkAdjustment *adjustment;
373 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
374 requisition = widget->requisition.width;
375 allocation = widget->allocation.width;
376 adjustment = view->hadjustment;
378 requisition = widget->requisition.height;
379 allocation = widget->allocation.height;
380 adjustment = view->vadjustment;
387 switch (view->pending_scroll) {
388 case SCROLL_TO_KEEP_POSITION:
389 factor = (adjustment->value) / adjustment->upper;
391 case SCROLL_TO_PAGE_POSITION:
393 case SCROLL_TO_CENTER:
394 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
398 adjustment->page_size = allocation;
399 adjustment->step_increment = allocation * 0.1;
400 adjustment->page_increment = allocation * 0.9;
401 adjustment->lower = 0;
402 adjustment->upper = MAX (allocation, requisition);
405 * We add 0.5 to the values before to average out our rounding errors.
407 switch (view->pending_scroll) {
408 case SCROLL_TO_KEEP_POSITION:
409 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
410 gtk_adjustment_set_value (adjustment, (int)new_value);
412 case SCROLL_TO_PAGE_POSITION:
413 scroll_to_current_page (view, orientation);
415 case SCROLL_TO_CENTER:
416 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
417 0, adjustment->upper - adjustment->page_size);
418 gtk_adjustment_set_value (adjustment, (int)new_value);
422 gtk_adjustment_changed (adjustment);
426 view_update_range_and_current_page (EvView *view)
429 gint best_current_page = -1;
431 if (view->pending_scroll != SCROLL_TO_KEEP_POSITION)
434 /* Presentation trumps all other modes */
435 if (view->presentation) {
436 view->start_page = view->current_page;
437 view->end_page = view->current_page;
438 } else if (view->continuous) {
439 GdkRectangle current_area, unused, page_area;
441 gboolean found = FALSE;
442 gint area_max = -1, area;
445 if (!(view->vadjustment && view->hadjustment))
448 current_area.x = view->hadjustment->value;
449 current_area.width = view->hadjustment->upper;
450 current_area.y = view->vadjustment->value;
451 current_area.height = view->vadjustment->page_size;
453 for (i = 0; i < ev_page_cache_get_n_pages (view->page_cache); i++) {
455 get_page_extents (view, i, &page_area, &border);
457 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
458 area = unused.width * unused.height;
462 view->start_page = i;
464 best_current_page = i;
466 if (area > area_max) {
467 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
477 } else if (view->dual_page) {
478 if (view->current_page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) {
479 view->start_page = view->current_page;
480 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache))
481 view->end_page = view->start_page + 1;
483 view->end_page = view->start_page;
485 if (view->current_page < 1)
486 view->start_page = view->current_page;
488 view->start_page = view->current_page - 1;
489 view->end_page = view->current_page;
492 view->start_page = view->current_page;
493 view->end_page = view->current_page;
496 best_current_page = MAX (best_current_page, view->start_page);
497 current_page = ev_page_cache_get_current_page (view->page_cache);
499 if (current_page != best_current_page) {
500 view->current_page = best_current_page;
501 ev_page_cache_set_current_page (view->page_cache, best_current_page);
504 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
509 view->selection_info.selections);
513 set_scroll_adjustment (EvView *view,
514 GtkOrientation orientation,
515 GtkAdjustment *adjustment)
517 GtkAdjustment **to_set;
519 if (orientation == GTK_ORIENTATION_HORIZONTAL)
520 to_set = &view->hadjustment;
522 to_set = &view->vadjustment;
524 if (*to_set != adjustment) {
526 g_signal_handlers_disconnect_by_func (*to_set,
527 (gpointer) on_adjustment_value_changed,
529 g_object_unref (*to_set);
532 *to_set = adjustment;
533 view_set_adjustment_values (view, orientation);
536 g_object_ref (*to_set);
537 g_signal_connect (*to_set, "value_changed",
538 G_CALLBACK (on_adjustment_value_changed), view);
544 ev_view_set_scroll_adjustments (EvView *view,
545 GtkAdjustment *hadjustment,
546 GtkAdjustment *vadjustment)
548 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
549 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
551 on_adjustment_value_changed (NULL, view);
555 add_scroll_binding_keypad (GtkBindingSet *binding_set,
557 GdkModifierType modifiers,
561 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
563 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
564 "binding_activated", 2,
565 EV_TYPE_SCROLL_TYPE, scroll,
566 G_TYPE_BOOLEAN, horizontal);
567 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
568 "binding_activated", 2,
569 EV_TYPE_SCROLL_TYPE, scroll,
570 G_TYPE_BOOLEAN, horizontal);
574 ev_view_scroll (EvView *view,
578 GtkAdjustment *adjustment;
579 double value, increment;
580 gboolean first_page = FALSE;
581 gboolean last_page = FALSE;
583 view->jump_to_find_result = FALSE;
585 if (view->presentation) {
587 case EV_SCROLL_PAGE_BACKWARD:
588 case EV_SCROLL_STEP_BACKWARD:
589 ev_view_previous_page (view);
591 case EV_SCROLL_PAGE_FORWARD:
592 case EV_SCROLL_STEP_FORWARD:
593 ev_view_next_page (view);
601 /* Assign values for increment and vertical adjustment */
602 adjustment = horizontal ? view->hadjustment : view->vadjustment;
603 increment = adjustment->page_size * 0.75;
604 value = adjustment->value;
606 /* Assign boolean for first and last page */
607 if (view->current_page == 0)
609 if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1)
613 case EV_SCROLL_PAGE_BACKWARD:
614 /* Do not jump backwards if at the first page */
615 if (value == (adjustment->lower) && first_page) {
617 /* At the top of a page, assign the upper bound limit of previous page */
618 } else if (value == (adjustment->lower)) {
619 value = adjustment->upper - adjustment->page_size;
620 ev_view_previous_page (view);
621 /* Jump to the top */
623 value = MAX (value - increment, adjustment->lower);
626 case EV_SCROLL_PAGE_FORWARD:
627 /* Do not jump forward if at the last page */
628 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
630 /* At the bottom of a page, assign the lower bound limit of next page */
631 } else if (value == (adjustment->upper - adjustment->page_size)) {
633 ev_view_next_page (view);
634 /* Jump to the bottom */
636 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
639 case EV_SCROLL_STEP_BACKWARD:
640 value -= adjustment->step_increment;
642 case EV_SCROLL_STEP_FORWARD:
643 value += adjustment->step_increment;
645 case EV_SCROLL_STEP_DOWN:
646 value -= adjustment->step_increment / 10;
648 case EV_SCROLL_STEP_UP:
649 value += adjustment->step_increment / 10;
655 value = CLAMP (value, adjustment->lower,
656 adjustment->upper - adjustment->page_size);
658 gtk_adjustment_set_value (adjustment, value);
664 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
666 GtkWidget *widget = GTK_WIDGET (view);
667 GtkAdjustment *adjustment;
670 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
672 adjustment = view->vadjustment;
674 if (rect->y < adjustment->value) {
675 value = MAX (adjustment->lower, rect->y - MARGIN);
676 gtk_adjustment_set_value (view->vadjustment, value);
677 } else if (rect->y + rect->height >
678 adjustment->value + widget->allocation.height) {
679 value = MIN (adjustment->upper, rect->y + rect->height -
680 widget->allocation.height + MARGIN);
681 gtk_adjustment_set_value (view->vadjustment, value);
684 adjustment = view->hadjustment;
686 if (rect->x < adjustment->value) {
687 value = MAX (adjustment->lower, rect->x - MARGIN);
688 gtk_adjustment_set_value (view->hadjustment, value);
689 } else if (rect->x + rect->height >
690 adjustment->value + widget->allocation.width) {
691 value = MIN (adjustment->upper, rect->x + rect->width -
692 widget->allocation.width + MARGIN);
693 gtk_adjustment_set_value (view->hadjustment, value);
697 /*** Geometry computations ***/
700 compute_border (EvView *view, int width, int height, GtkBorder *border)
702 if (view->presentation) {
708 ev_document_misc_get_page_border_size (width, height, border);
713 get_page_y_offset (EvView *view, int page, double zoom, int *y_offset)
715 int max_width, offset;
718 g_return_if_fail (y_offset != NULL);
720 ev_page_cache_get_max_width (view->page_cache, view->rotation, zoom, &max_width);
722 compute_border (view, max_width, max_width, &border);
724 if (view->dual_page) {
725 ev_page_cache_get_height_to_page (view->page_cache, page,
726 view->rotation, zoom, NULL, &offset);
727 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);
729 ev_page_cache_get_height_to_page (view->page_cache, page,
730 view->rotation, zoom, &offset, NULL);
731 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
739 get_page_extents (EvView *view,
741 GdkRectangle *page_area,
747 widget = GTK_WIDGET (view);
749 /* Get the size of the page */
750 ev_page_cache_get_size (view->page_cache, page,
754 compute_border (view, width, height, border);
755 page_area->width = width + border->left + border->right;
756 page_area->height = height + border->top + border->bottom;
758 if (view->presentation) {
759 page_area->x = (MAX (0, widget->allocation.width - width))/2;
760 page_area->y = (MAX (0, widget->allocation.height - height))/2;
761 } else if (view->continuous) {
765 ev_page_cache_get_max_width (view->page_cache, view->rotation,
766 view->scale, &max_width);
767 max_width = max_width + border->left + border->right;
768 /* Get the location of the bounding box */
769 if (view->dual_page) {
770 x = view->spacing + ((page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? 0 : 1) * (max_width + view->spacing);
771 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
772 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
773 x = x + (max_width - width - border->left - border->right);
776 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
779 get_page_y_offset (view, page, view->scale, &y);
785 if (view->dual_page) {
786 gint width_2, height_2;
787 gint max_width = width;
788 gint max_height = height;
789 GtkBorder overall_border;
792 other_page = (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? page + 1: page - 1;
794 /* First, we get the bounding box of the two pages */
795 if (other_page < ev_page_cache_get_n_pages (view->page_cache)
796 && (0 <= other_page)) {
797 ev_page_cache_get_size (view->page_cache,
801 &width_2, &height_2);
804 if (height_2 > height)
805 max_height = height_2;
807 compute_border (view, max_width, max_height, &overall_border);
809 /* Find the offsets */
813 /* Adjust for being the left or right page */
814 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
815 x = x + max_width - width;
817 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
819 y = y + (max_height - height)/2;
821 /* Adjust for extra allocation */
822 x = x + MAX (0, widget->allocation.width -
823 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
824 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
829 /* Adjust for extra allocation */
830 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
831 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
842 view_point_to_doc_point (EvView *view,
843 GdkPoint *view_point,
844 GdkRectangle *page_area,
848 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
849 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
853 view_rect_to_doc_rect (EvView *view,
854 GdkRectangle *view_rect,
855 GdkRectangle *page_area,
856 EvRectangle *doc_rect)
858 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
859 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
860 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
861 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
865 doc_point_to_view_point (EvView *view,
868 GdkPoint *view_point)
870 GdkRectangle page_area;
872 double x, y, view_x, view_y;
875 ev_page_cache_get_size (view->page_cache, page,
880 if (view->rotation == 0) {
883 } else if (view->rotation == 90) {
884 x = width - doc_point->y;
886 } else if (view->rotation == 180) {
887 x = width - doc_point->x;
888 y = height - doc_point->y;
889 } else if (view->rotation == 270) {
891 y = height - doc_point->x;
893 g_assert_not_reached ();
896 get_page_extents (view, page, &page_area, &border);
898 view_x = x * view->scale;
899 view_y = y * view->scale;
900 view_point->x = view_x + page_area.x;
901 view_point->y = view_y + page_area.y;
903 return (view_x > 0 && view_x <= page_area.width &&
904 view_y > 0 && view_y <= page_area.height);
908 doc_rect_to_view_rect (EvView *view,
910 EvRectangle *doc_rect,
911 GdkRectangle *view_rect)
913 GdkRectangle page_area;
918 ev_page_cache_get_size (view->page_cache, page,
923 if (view->rotation == 0) {
926 w = doc_rect->x2 - doc_rect->x1;
927 h = doc_rect->y2 - doc_rect->y1;
928 } else if (view->rotation == 90) {
929 x = width - doc_rect->y2;
931 w = doc_rect->y2 - doc_rect->y1;
932 h = doc_rect->x2 - doc_rect->x1;
933 } else if (view->rotation == 180) {
934 x = width - doc_rect->x2;
935 y = height - doc_rect->y2;
936 w = doc_rect->x2 - doc_rect->x1;
937 h = doc_rect->y2 - doc_rect->y1;
938 } else if (view->rotation == 270) {
940 y = height - doc_rect->x2;
941 w = doc_rect->y2 - doc_rect->y1;
942 h = doc_rect->x2 - doc_rect->x1;
944 g_assert_not_reached ();
947 get_page_extents (view, page, &page_area, &border);
949 view_rect->x = x * view->scale + page_area.x;
950 view_rect->y = y * view->scale + page_area.y;
951 view_rect->width = w * view->scale;
952 view_rect->height = h * view->scale;
956 find_page_at_location (EvView *view,
965 if (view->document == NULL)
972 for (i = view->start_page; i <= view->end_page; i++) {
973 GdkRectangle page_area;
976 if (! get_page_extents (view, i, &page_area, &border))
979 if ((x >= page_area.x + border.left) &&
980 (x < page_area.x + page_area.width - border.right) &&
981 (y >= page_area.y + border.top) &&
982 (y < page_area.y + page_area.height - border.bottom)) {
984 *x_offset = x - (page_area.x + border.left);
985 *y_offset = y - (page_area.y + border.top);
994 location_in_text (EvView *view,
1000 gint x_offset = 0, y_offset = 0;
1002 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1007 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
1010 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1016 ev_view_get_width (EvView *view)
1018 return GTK_WIDGET (view)->allocation.width;
1022 ev_view_get_height (EvView *view)
1024 return GTK_WIDGET (view)->allocation.height;
1028 location_in_selected_text (EvView *view,
1033 gint x_offset = 0, y_offset = 0;
1034 EvViewSelection *selection;
1037 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1038 selection = (EvViewSelection *)l->data;
1040 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1042 if (page != selection->page)
1045 if (selection->covered_region &&
1046 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1055 ev_view_get_link_at_location (EvView *view,
1060 gint x_offset = 0, y_offset = 0;
1061 GList *link_mapping;
1063 x += view->scroll_x;
1064 y += view->scroll_y;
1066 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1071 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1074 return ev_link_mapping_find (link_mapping, x_offset / view->scale, y_offset / view->scale);
1080 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1086 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - ev_link_dest_get_left (dest),
1087 ev_link_dest_get_top (dest) - ev_link_dest_get_bottom (dest),
1088 ev_view_get_width (view),
1089 ev_view_get_height (view), 0, 0);
1091 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1092 ev_view_set_zoom (view, zoom, FALSE);
1094 page = ev_link_dest_get_page (dest);
1095 doc_point.x = ev_link_dest_get_left (dest);
1096 doc_point.y = ev_link_dest_get_top (dest);
1098 view->current_page = page;
1099 view->pending_point = doc_point;
1100 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1102 gtk_widget_queue_resize (GTK_WIDGET (view));
1106 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1109 int doc_width, doc_height, page;
1112 page = ev_link_dest_get_page (dest);
1113 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1115 doc_point.x = ev_link_dest_get_left (dest);
1118 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1119 ev_view_get_width (view),
1120 ev_view_get_height (view), 0);
1122 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1123 ev_view_set_zoom (view, zoom, FALSE);
1125 view->current_page = page;
1126 view->pending_point = doc_point;
1127 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1129 gtk_widget_queue_resize (GTK_WIDGET (view));
1133 goto_fith_dest (EvView *view, EvLinkDest *dest)
1136 int doc_width, doc_height, page;
1139 page = ev_link_dest_get_page (dest);
1140 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1143 doc_point.y = doc_height - ev_link_dest_get_top (dest);
1145 zoom = zoom_for_size_fit_width (doc_width, ev_link_dest_get_top (dest),
1146 ev_view_get_width (view),
1147 ev_view_get_height (view), 0);
1149 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1150 ev_view_set_zoom (view, zoom, FALSE);
1152 view->current_page = page;
1153 view->pending_point = doc_point;
1154 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1156 gtk_widget_queue_resize (GTK_WIDGET (view));
1160 goto_fit_dest (EvView *view, EvLinkDest *dest)
1163 int doc_width, doc_height;
1166 page = ev_link_dest_get_page (dest);
1167 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1169 zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view),
1170 ev_view_get_height (view), 0, 0);
1172 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1173 ev_view_set_zoom (view, zoom, FALSE);
1175 view->current_page = page;
1176 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1178 gtk_widget_queue_resize (GTK_WIDGET (view));
1182 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1188 zoom = ev_link_dest_get_zoom (dest);
1189 page = ev_link_dest_get_page (dest);
1190 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, NULL, &height);
1193 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1194 ev_view_set_zoom (view, zoom, FALSE);
1197 doc_point.x = ev_link_dest_get_left (dest);
1198 doc_point.y = height - ev_link_dest_get_top (dest);
1200 view->current_page = page;
1201 view->pending_point = doc_point;
1202 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1204 gtk_widget_queue_resize (GTK_WIDGET (view));
1208 goto_dest (EvView *view, EvLinkDest *dest)
1210 EvLinkDestType type;
1213 page = ev_link_dest_get_page (dest);
1214 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1216 if (page < 0 || page >= n_pages)
1219 type = ev_link_dest_get_dest_type (dest);
1222 case EV_LINK_DEST_TYPE_PAGE:
1223 ev_page_cache_set_current_page (view->page_cache, page);
1225 case EV_LINK_DEST_TYPE_FIT:
1226 goto_fit_dest (view, dest);
1228 case EV_LINK_DEST_TYPE_FITH:
1229 goto_fith_dest (view, dest);
1231 case EV_LINK_DEST_TYPE_FITV:
1232 goto_fitv_dest (view, dest);
1234 case EV_LINK_DEST_TYPE_FITR:
1235 goto_fitr_dest (view, dest);
1237 case EV_LINK_DEST_TYPE_XYZ:
1238 goto_xyz_dest (view, dest);
1240 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1241 ev_page_cache_set_page_label (view->page_cache, ev_link_dest_get_page_label (dest));
1244 g_assert_not_reached ();
1249 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1251 EvLinkDestType type;
1253 type = ev_link_dest_get_dest_type (dest);
1255 if (type == EV_LINK_DEST_TYPE_NAMED) {
1257 const gchar *named_dest;
1259 named_dest = ev_link_dest_get_named_dest (dest);
1260 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1263 goto_dest (view, dest2);
1264 g_object_unref (dest2);
1270 goto_dest (view, dest);
1274 ev_view_handle_link (EvView *view, EvLink *link)
1276 EvLinkAction *action = NULL;
1277 EvLinkActionType type;
1279 action = ev_link_get_action (link);
1283 type = ev_link_action_get_action_type (action);
1286 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1289 dest = ev_link_action_get_dest (action);
1290 ev_view_goto_dest (view, dest);
1293 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1294 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1295 case EV_LINK_ACTION_TYPE_LAUNCH:
1296 case EV_LINK_ACTION_TYPE_NAMED:
1297 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1303 page_label_from_dest (EvView *view, EvLinkDest *dest)
1305 EvLinkDestType type;
1308 type = ev_link_dest_get_dest_type (dest);
1311 case EV_LINK_DEST_TYPE_NAMED: {
1313 const gchar *named_dest;
1315 named_dest = ev_link_dest_get_named_dest (dest);
1316 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1319 msg = ev_page_cache_get_page_label (view->page_cache,
1320 ev_link_dest_get_page (dest2));
1321 g_object_unref (dest2);
1327 msg = ev_page_cache_get_page_label (view->page_cache,
1328 ev_link_dest_get_page (dest));
1335 tip_from_action_named (EvLinkAction *action)
1337 const gchar *name = ev_link_action_get_name (action);
1339 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1340 return g_strdup (_("Go to first page"));
1341 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1342 return g_strdup (_("Go to previous page"));
1343 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1344 return g_strdup (_("Go to next page"));
1345 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1346 return g_strdup (_("Go to last page"));
1347 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1348 return g_strdup (_("Go to page"));
1349 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1350 return g_strdup (_("Find"));
1357 tip_from_link (EvView *view, EvLink *link)
1359 EvLinkAction *action;
1360 EvLinkActionType type;
1365 action = ev_link_get_action (link);
1366 title = ev_link_get_title (link);
1369 return title ? g_strdup (title) : NULL;
1371 type = ev_link_action_get_action_type (action);
1374 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1375 page_label = page_label_from_dest (view,
1376 ev_link_action_get_dest (action));
1377 msg = g_strdup_printf (_("Go to page %s"), page_label);
1378 g_free (page_label);
1380 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1382 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1383 ev_link_action_get_filename (action));
1385 msg = g_strdup_printf (_("Go to file “%s”"),
1386 ev_link_action_get_filename (action));
1390 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1391 msg = g_strdup (ev_link_action_get_uri (action));
1393 case EV_LINK_ACTION_TYPE_LAUNCH:
1394 msg = g_strdup_printf (_("Launch %s"),
1395 ev_link_action_get_filename (action));
1397 case EV_LINK_ACTION_TYPE_NAMED:
1398 msg = tip_from_action_named (action);
1402 msg = g_strdup (title);
1410 handle_link_over_xy (EvView *view, gint x, gint y)
1414 link = ev_view_get_link_at_location (view, x, y);
1416 if (view->link_tooltip == NULL) {
1417 view->link_tooltip = ev_tooltip_new (GTK_WIDGET (view));
1420 if (view->hovered_link != link) {
1421 view->hovered_link = link;
1422 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
1426 char *msg = tip_from_link (view, link);
1428 if (msg && g_utf8_validate (msg, -1, NULL)) {
1429 EvTooltip *tooltip = EV_TOOLTIP (view->link_tooltip);
1431 ev_tooltip_set_position (tooltip, x, y);
1432 ev_tooltip_set_text (tooltip, msg);
1433 ev_tooltip_activate (tooltip);
1437 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1438 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1439 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1441 ev_view_set_status (view, NULL);
1442 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1443 view->cursor == EV_VIEW_CURSOR_IBEAM)
1444 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1449 /*** GtkWidget implementation ***/
1452 ev_view_size_request_continuous_dual_page (EvView *view,
1453 GtkRequisition *requisition)
1459 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1460 view->scale, &max_width);
1461 compute_border (view, max_width, max_width, &border);
1463 n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1;
1465 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
1466 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1468 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1469 requisition->width = 1;
1470 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1471 requisition->width = 1;
1472 /* FIXME: This could actually be set on one page docs or docs
1473 * with a strange aspect ratio. */
1474 /* requisition->height = 1;*/
1479 ev_view_size_request_continuous (EvView *view,
1480 GtkRequisition *requisition)
1487 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1488 view->scale, &max_width);
1489 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1490 compute_border (view, max_width, max_width, &border);
1492 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
1493 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1495 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1496 requisition->width = 1;
1497 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1498 requisition->width = 1;
1499 /* FIXME: This could actually be set on one page docs or docs
1500 * with a strange aspect ratio. */
1501 /* requisition->height = 1;*/
1506 ev_view_size_request_dual_page (EvView *view,
1507 GtkRequisition *requisition)
1512 /* Find the largest of the two. */
1513 ev_page_cache_get_size (view->page_cache,
1518 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) {
1519 gint width_2, height_2;
1520 ev_page_cache_get_size (view->page_cache,
1521 view->current_page + 1,
1524 &width_2, &height_2);
1525 if (width_2 > width) {
1530 compute_border (view, width, height, &border);
1532 requisition->width = ((width + border.left + border.right) * 2) +
1533 (view->spacing * 3);
1534 requisition->height = (height + border.top + border.bottom) +
1535 (view->spacing * 2);
1537 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1538 requisition->width = 1;
1539 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1540 requisition->width = 1;
1541 requisition->height = 1;
1546 ev_view_size_request_single_page (EvView *view,
1547 GtkRequisition *requisition)
1552 ev_page_cache_get_size (view->page_cache,
1557 compute_border (view, width, height, &border);
1559 requisition->width = width + border.left + border.right + (2 * view->spacing);
1560 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1562 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1563 requisition->width = 1;
1564 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1565 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1566 requisition->width = 1;
1567 requisition->height = 1;
1572 ev_view_size_request (GtkWidget *widget,
1573 GtkRequisition *requisition)
1575 EvView *view = EV_VIEW (widget);
1577 if (view->document == NULL) {
1578 requisition->width = 1;
1579 requisition->height = 1;
1583 if (view->presentation) {
1584 requisition->width = 1;
1585 requisition->height = 1;
1589 if (view->continuous && view->dual_page)
1590 ev_view_size_request_continuous_dual_page (view, requisition);
1591 else if (view->continuous)
1592 ev_view_size_request_continuous (view, requisition);
1593 else if (view->dual_page)
1594 ev_view_size_request_dual_page (view, requisition);
1596 ev_view_size_request_single_page (view, requisition);
1600 ev_view_size_allocate (GtkWidget *widget,
1601 GtkAllocation *allocation)
1603 EvView *view = EV_VIEW (widget);
1605 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
1606 view->sizing_mode == EV_SIZING_BEST_FIT) {
1608 g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0);
1610 ev_view_size_request (widget, &widget->requisition);
1613 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
1614 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
1616 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
1617 view->pending_resize = FALSE;
1620 view_update_range_and_current_page (view);
1622 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
1626 ev_view_realize (GtkWidget *widget)
1628 EvView *view = EV_VIEW (widget);
1629 GdkWindowAttr attributes;
1631 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
1634 attributes.window_type = GDK_WINDOW_CHILD;
1635 attributes.wclass = GDK_INPUT_OUTPUT;
1636 attributes.visual = gtk_widget_get_visual (widget);
1637 attributes.colormap = gtk_widget_get_colormap (widget);
1639 attributes.x = widget->allocation.x;
1640 attributes.y = widget->allocation.y;
1641 attributes.width = widget->allocation.width;
1642 attributes.height = widget->allocation.height;
1643 attributes.event_mask = GDK_EXPOSURE_MASK |
1644 GDK_BUTTON_PRESS_MASK |
1645 GDK_BUTTON_RELEASE_MASK |
1647 GDK_KEY_PRESS_MASK |
1648 GDK_POINTER_MOTION_MASK |
1649 GDK_POINTER_MOTION_HINT_MASK |
1650 GDK_ENTER_NOTIFY_MASK |
1651 GDK_LEAVE_NOTIFY_MASK;
1653 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
1655 GDK_WA_X | GDK_WA_Y |
1658 gdk_window_set_user_data (widget->window, widget);
1659 widget->style = gtk_style_attach (widget->style, widget->window);
1661 if (view->presentation)
1662 gdk_window_set_background (widget->window, &widget->style->black);
1664 gdk_window_set_background (widget->window, &widget->style->mid [GTK_STATE_NORMAL]);
1668 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
1670 EvView *view = EV_VIEW (widget);
1673 state = event->state & gtk_accelerator_get_default_mod_mask ();
1675 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
1676 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1678 if (event->direction == GDK_SCROLL_UP ||
1679 event->direction == GDK_SCROLL_LEFT) {
1680 if (ev_view_can_zoom_in (view)) {
1681 ev_view_zoom_in (view);
1684 if (ev_view_can_zoom_out (view)) {
1685 ev_view_zoom_out (view);
1692 view->jump_to_find_result = FALSE;
1693 /* Shift+Wheel scrolls the in the perpendicular direction */
1694 if (state & GDK_SHIFT_MASK) {
1695 if (event->direction == GDK_SCROLL_UP)
1696 event->direction = GDK_SCROLL_LEFT;
1697 if (event->direction == GDK_SCROLL_LEFT)
1698 event->direction = GDK_SCROLL_UP;
1699 if (event->direction == GDK_SCROLL_DOWN)
1700 event->direction = GDK_SCROLL_RIGHT;
1701 if (event->direction == GDK_SCROLL_RIGHT)
1702 event->direction = GDK_SCROLL_DOWN;
1704 event->state &= ~GDK_SHIFT_MASK;
1705 state &= ~GDK_SHIFT_MASK;
1708 if (state == 0 && view->presentation) {
1709 switch (event->direction) {
1710 case GDK_SCROLL_DOWN:
1711 case GDK_SCROLL_RIGHT:
1712 ev_view_next_page (view);
1715 case GDK_SCROLL_LEFT:
1716 ev_view_previous_page (view);
1726 static EvViewSelection *
1727 find_selection_for_page (EvView *view,
1732 for (list = view->selection_info.selections; list != NULL; list = list->next) {
1733 EvViewSelection *selection;
1735 selection = (EvViewSelection *) list->data;
1737 if (selection->page == page)
1745 ev_view_expose_event (GtkWidget *widget,
1746 GdkEventExpose *event)
1748 EvView *view = EV_VIEW (widget);
1751 if (view->loading) {
1752 GdkRectangle area = {0};
1754 area.width = widget->allocation.width;
1755 area.height = widget->allocation.height;
1757 draw_loading_text (view,
1762 if (view->document == NULL)
1765 for (i = view->start_page; i <= view->end_page; i++) {
1766 GdkRectangle page_area;
1768 gboolean page_ready = TRUE;
1770 if (!get_page_extents (view, i, &page_area, &border))
1773 page_area.x -= view->scroll_x;
1774 page_area.y -= view->scroll_y;
1776 draw_one_page (view, i, &page_area, &border, &(event->area), &page_ready);
1778 if (page_ready && EV_IS_DOCUMENT_FIND (view->document))
1779 highlight_find_results (view, i);
1786 ev_view_popup_menu (GtkWidget *widget)
1790 EvView *view = EV_VIEW (widget);
1792 gtk_widget_get_pointer (widget, &x, &y);
1793 link = ev_view_get_link_at_location (view, x, y);
1794 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
1799 ev_view_button_press_event (GtkWidget *widget,
1800 GdkEventButton *event)
1802 EvView *view = EV_VIEW (widget);
1805 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
1806 gtk_widget_grab_focus (widget);
1809 view->pressed_button = event->button;
1810 view->selection_info.in_drag = FALSE;
1812 switch (event->button) {
1814 if (view->selection_info.selections) {
1815 if (location_in_selected_text (view,
1816 event->x + view->scroll_x,
1817 event->y + view->scroll_y)) {
1818 view->selection_info.in_drag = TRUE;
1820 clear_selection (view);
1823 gtk_widget_queue_draw (widget);
1826 view->selection_info.start.x = event->x + view->scroll_x;
1827 view->selection_info.start.y = event->y + view->scroll_y;
1831 /* use root coordinates as reference point because
1832 * scrolling changes window relative coordinates */
1833 view->drag_info.start.x = event->x_root;
1834 view->drag_info.start.y = event->y_root;
1835 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
1836 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
1838 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1842 link = ev_view_get_link_at_location (view, event->x, event->y);
1843 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
1851 ev_view_drag_data_get (GtkWidget *widget,
1852 GdkDragContext *context,
1853 GtkSelectionData *selection_data,
1857 EvView *view = EV_VIEW (widget);
1859 if (view->selection_info.selections &&
1860 ev_document_can_get_text (view->document)) {
1863 text = get_selected_text (view);
1865 gtk_selection_data_set_text (selection_data, text, strlen (text));
1872 selection_update_idle_cb (EvView *view)
1874 compute_selections (view, &view->selection_info.start, &view->motion);
1875 view->selection_update_id = 0;
1880 selection_scroll_timeout_cb (EvView *view)
1882 gint x, y, shift = 0;
1883 GtkWidget *widget = GTK_WIDGET (view);
1885 gtk_widget_get_pointer (widget, &x, &y);
1887 if (y > widget->allocation.height) {
1888 shift = (y - widget->allocation.height) / 2;
1894 gtk_adjustment_set_value (view->vadjustment,
1895 CLAMP (view->vadjustment->value + shift,
1896 view->vadjustment->lower,
1897 view->vadjustment->upper -
1898 view->vadjustment->page_size));
1900 if (x > widget->allocation.width) {
1901 shift = (x - widget->allocation.width) / 2;
1907 gtk_adjustment_set_value (view->hadjustment,
1908 CLAMP (view->hadjustment->value + shift,
1909 view->hadjustment->lower,
1910 view->hadjustment->upper -
1911 view->hadjustment->page_size));
1917 ev_view_motion_notify_event (GtkWidget *widget,
1918 GdkEventMotion *event)
1920 EvView *view = EV_VIEW (widget);
1923 if (!view->document)
1926 if (event->is_hint || event->window != widget->window) {
1927 gtk_widget_get_pointer (widget, &x, &y);
1933 if (view->selection_info.in_drag) {
1934 if (gtk_drag_check_threshold (widget,
1935 view->selection_info.start.x,
1936 view->selection_info.start.y,
1938 GdkDragContext *context;
1939 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
1941 gtk_target_list_add_text_targets (target_list, 0);
1943 context = gtk_drag_begin (widget, target_list,
1945 1, (GdkEvent *)event);
1947 view->selection_info.in_drag = FALSE;
1949 gtk_target_list_unref (target_list);
1955 /* For the Evince 0.4.x release, we limit selection to un-rotated
1958 if (view->pressed_button == 1 && view->rotation == 0) {
1960 /* Schedule timeout to scroll during selection and additionally
1961 * scroll once to allow arbitrary speed. */
1962 if (!view->selection_scroll_id)
1963 view->selection_scroll_id = g_timeout_add (SCROLL_TIME, (GSourceFunc)selection_scroll_timeout_cb, view);
1965 selection_scroll_timeout_cb (view);
1967 view->selection_info.in_selection = TRUE;
1968 view->motion.x = x + view->scroll_x;
1969 view->motion.y = y + view->scroll_y;
1971 /* Queue an idle to handle the motion. We do this because
1972 * handling any selection events in the motion could be slower
1973 * than new motion events reach us. We always put it in the
1974 * idle to make sure we catch up and don't visibly lag the
1976 if (!view->selection_update_id)
1977 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
1980 } else if (view->pressed_button == 2) {
1981 if (!view->drag_info.in_drag) {
1984 start = gtk_drag_check_threshold (widget,
1985 view->drag_info.start.x,
1986 view->drag_info.start.y,
1989 view->drag_info.in_drag = start;
1992 if (view->drag_info.in_drag) {
1994 gdouble dhadj_value, dvadj_value;
1996 dx = event->x_root - view->drag_info.start.x;
1997 dy = event->y_root - view->drag_info.start.y;
1999 dhadj_value = view->hadjustment->page_size *
2000 (gdouble)dx / widget->allocation.width;
2001 dvadj_value = view->vadjustment->page_size *
2002 (gdouble)dy / widget->allocation.height;
2004 /* clamp scrolling to visible area */
2005 gtk_adjustment_set_value (view->hadjustment,
2006 MIN(view->drag_info.hadj - dhadj_value,
2007 view->hadjustment->upper -
2008 view->hadjustment->page_size));
2009 gtk_adjustment_set_value (view->vadjustment,
2010 MIN(view->drag_info.vadj - dvadj_value,
2011 view->vadjustment->upper -
2012 view->vadjustment->page_size));
2016 /* For the Evince 0.4.x release, we limit links to un-rotated documents
2019 } else if (view->pressed_button <= 0 &&
2020 view->rotation == 0) {
2021 handle_link_over_xy (view, x, y);
2029 ev_view_button_release_event (GtkWidget *widget,
2030 GdkEventButton *event)
2032 EvView *view = EV_VIEW (widget);
2035 if (view->pressed_button == 2) {
2036 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
2039 if (view->document) {
2040 link = ev_view_get_link_at_location (view, event->x, event->y);
2045 view->pressed_button = -1;
2046 view->drag_info.in_drag = FALSE;
2048 if (view->selection_scroll_id) {
2049 g_source_remove (view->selection_scroll_id);
2050 view->selection_scroll_id = 0;
2052 if (view->selection_update_id) {
2053 g_source_remove (view->selection_update_id);
2054 view->selection_update_id = 0;
2057 if (view->selection_info.selections) {
2058 ev_view_update_primary_selection (view);
2060 if (view->selection_info.in_drag) {
2061 clear_selection (view);
2062 gtk_widget_queue_draw (widget);
2065 view->selection_info.in_drag = FALSE;
2067 ev_view_handle_link (view, link);
2068 } else if (view->presentation) {
2069 switch (event->button) {
2071 ev_view_next_page (view);
2074 ev_view_previous_page (view);
2083 ev_view_focus_in (GtkWidget *widget,
2084 GdkEventFocus *event)
2086 if (EV_VIEW (widget)->pixbuf_cache)
2087 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
2088 gtk_widget_queue_draw (widget);
2094 ev_view_focus_out (GtkWidget *widget,
2095 GdkEventFocus *event)
2097 if (EV_VIEW (widget)->pixbuf_cache)
2098 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
2099 gtk_widget_queue_draw (widget);
2105 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
2107 EvView *view = EV_VIEW (widget);
2109 ev_view_set_status (view, NULL);
2111 if (view->cursor == EV_VIEW_CURSOR_LINK ||
2112 view->cursor == EV_VIEW_CURSOR_IBEAM)
2113 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
2115 if (view->link_tooltip) {
2116 view->hovered_link = NULL;
2117 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
2124 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
2126 EvView *view = EV_VIEW (widget);
2128 handle_link_over_xy (view, event->x, event->y);
2134 ev_view_style_set (GtkWidget *widget,
2135 GtkStyle *old_style)
2137 if (EV_VIEW (widget)->pixbuf_cache)
2138 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
2140 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
2146 ev_gdk_color_to_rgb (const GdkColor *color)
2149 result = (0xff0000 | (color->red & 0xff00));
2151 result |= ((color->green & 0xff00) | (color->blue >> 8));
2156 draw_rubberband (GtkWidget *widget, GdkWindow *window,
2157 const GdkRectangle *rect, guchar alpha)
2161 GdkColor *fill_color_gdk;
2164 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
2165 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
2167 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
2168 rect->width, rect->height);
2169 gdk_pixbuf_fill (pixbuf, fill_color);
2171 gdk_draw_pixbuf (window, NULL, pixbuf,
2173 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
2174 rect->width, rect->height,
2175 GDK_RGB_DITHER_NONE,
2178 g_object_unref (pixbuf);
2180 gc = gdk_gc_new (window);
2181 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
2182 gdk_draw_rectangle (window, gc, FALSE,
2183 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
2186 g_object_unref (gc);
2188 gdk_color_free (fill_color_gdk);
2193 highlight_find_results (EvView *view, int page)
2195 EvDocumentFind *find;
2198 g_return_if_fail (EV_IS_DOCUMENT_FIND (view->document));
2200 find = EV_DOCUMENT_FIND (view->document);
2202 results = ev_document_find_get_n_results (find, page);
2204 for (i = 0; i < results; i++) {
2205 EvRectangle rectangle;
2206 GdkRectangle view_rectangle;
2209 if (i == view->find_result && page == view->current_page) {
2215 ev_document_find_get_result (find, page, i, &rectangle);
2216 doc_rect_to_view_rect (view, page, &rectangle, &view_rectangle);
2217 draw_rubberband (GTK_WIDGET (view), GTK_WIDGET(view)->window,
2218 &view_rectangle, alpha);
2223 draw_loading_text (EvView *view,
2224 GdkRectangle *page_area,
2225 GdkRectangle *expose_area)
2227 PangoLayout *layout;
2228 PangoFontDescription *font_desc;
2229 PangoRectangle logical_rect;
2233 const char *loading_text = _("Loading...");
2235 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
2237 font_desc = pango_font_description_new ();
2240 /* We set the font to be 10 points, get the size, and scale appropriately */
2241 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
2242 pango_layout_set_font_description (layout, font_desc);
2243 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2245 /* Make sure we fit the middle of the page */
2246 target_width = MAX (page_area->width / 2, 1);
2247 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
2248 pango_font_description_set_size (font_desc, (int)real_scale);
2249 pango_layout_set_font_description (layout, font_desc);
2250 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2252 gtk_paint_layout (GTK_WIDGET (view)->style,
2253 GTK_WIDGET (view)->window,
2254 GTK_WIDGET_STATE (view),
2259 page_area->x + (target_width/2),
2260 page_area->y + (page_area->height - logical_rect.height) / 2,
2263 pango_font_description_free (font_desc);
2264 g_object_unref (layout);
2268 draw_one_page (EvView *view,
2270 GdkRectangle *page_area,
2272 GdkRectangle *expose_area,
2273 gboolean *page_ready)
2276 GdkPixbuf *current_pixbuf;
2277 GdkRectangle overlap;
2278 GdkRectangle real_page_area;
2279 EvViewSelection *selection;
2282 g_assert (view->document);
2284 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
2287 current_page = ev_page_cache_get_current_page (view->page_cache);
2288 selection = find_selection_for_page (view, page);
2289 ev_page_cache_get_size (view->page_cache,
2290 page, view->rotation,
2293 /* Render the document itself */
2294 real_page_area = *page_area;
2296 real_page_area.x += border->left;
2297 real_page_area.y += border->top;
2298 real_page_area.width -= (border->left + border->right);
2299 real_page_area.height -= (border->top + border->bottom);
2302 ev_document_misc_paint_one_page (GTK_WIDGET(view)->window,
2305 page == current_page);
2307 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
2308 GdkPixbuf *selection_pixbuf = NULL;
2309 GdkPixbuf *scaled_image;
2310 GdkPixbuf *scaled_selection;
2312 current_pixbuf = ev_pixbuf_cache_get_pixbuf (view->pixbuf_cache, page);
2314 /* Get the selection pixbuf iff we have something to draw */
2315 if (current_pixbuf && view->selection_mode == EV_VIEW_SELECTION_TEXT && selection)
2316 selection_pixbuf = ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
2321 if (current_pixbuf == NULL)
2322 scaled_image = NULL;
2323 else if (width == gdk_pixbuf_get_width (current_pixbuf) &&
2324 height == gdk_pixbuf_get_height (current_pixbuf))
2325 scaled_image = g_object_ref (current_pixbuf);
2327 /* FIXME: We don't want to scale the whole area, just the right
2329 scaled_image = gdk_pixbuf_scale_simple (current_pixbuf,
2331 GDK_INTERP_NEAREST);
2333 if (selection_pixbuf == NULL)
2334 scaled_selection = NULL;
2335 else if (width == gdk_pixbuf_get_width (selection_pixbuf) &&
2336 height == gdk_pixbuf_get_height (selection_pixbuf))
2337 scaled_selection = g_object_ref (selection_pixbuf);
2339 /* FIXME: We don't want to scale the whole area, just the right
2341 scaled_selection = gdk_pixbuf_scale_simple (selection_pixbuf,
2343 GDK_INTERP_NEAREST);
2346 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2347 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2349 overlap.x - real_page_area.x,
2350 overlap.y - real_page_area.y,
2351 overlap.x, overlap.y,
2352 overlap.width, overlap.height,
2353 GDK_RGB_DITHER_NORMAL,
2355 g_object_unref (scaled_image);
2357 draw_loading_text (view,
2360 *page_ready = FALSE;
2363 if (scaled_selection) {
2364 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2365 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2367 overlap.x - real_page_area.x,
2368 overlap.y - real_page_area.y,
2369 overlap.x, overlap.y,
2370 overlap.width, overlap.height,
2371 GDK_RGB_DITHER_NORMAL,
2373 g_object_unref (scaled_selection);
2378 /*** GObject functions ***/
2381 ev_view_finalize (GObject *object)
2383 EvView *view = EV_VIEW (object);
2387 g_free (view->status);
2388 g_free (view->find_status);
2390 clear_selection (view);
2392 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
2396 ev_view_destroy (GtkObject *object)
2398 EvView *view = EV_VIEW (object);
2400 if (view->document) {
2401 g_object_unref (view->document);
2402 view->document = NULL;
2405 if (view->pixbuf_cache) {
2406 g_object_unref (view->pixbuf_cache);
2407 view->pixbuf_cache = NULL;
2410 if (view->link_tooltip) {
2411 gtk_widget_destroy (view->link_tooltip);
2414 if (view->selection_scroll_id) {
2415 g_source_remove (view->selection_scroll_id);
2416 view->selection_scroll_id = 0;
2419 if (view->selection_update_id) {
2420 g_source_remove (view->selection_update_id);
2421 view->selection_update_id = 0;
2424 ev_view_set_scroll_adjustments (view, NULL, NULL);
2426 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
2430 ev_view_set_property (GObject *object,
2432 const GValue *value,
2435 EvView *view = EV_VIEW (object);
2438 case PROP_CONTINUOUS:
2439 ev_view_set_continuous (view, g_value_get_boolean (value));
2441 case PROP_DUAL_PAGE:
2442 ev_view_set_dual_page (view, g_value_get_boolean (value));
2444 case PROP_FULLSCREEN:
2445 ev_view_set_fullscreen (view, g_value_get_boolean (value));
2447 case PROP_PRESENTATION:
2448 ev_view_set_presentation (view, g_value_get_boolean (value));
2450 case PROP_SIZING_MODE:
2451 ev_view_set_sizing_mode (view, g_value_get_enum (value));
2454 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
2457 ev_view_set_rotation (view, g_value_get_int (value));
2460 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2465 ev_view_get_accessible (GtkWidget *widget)
2467 static gboolean first_time = TRUE;
2470 AtkObjectFactory *factory;
2471 AtkRegistry *registry;
2473 GType derived_atk_type;
2476 * Figure out whether accessibility is enabled by looking at the
2477 * type of the accessible object which would be created for
2478 * the parent type of EvView.
2480 derived_type = g_type_parent (EV_TYPE_VIEW);
2482 registry = atk_get_default_registry ();
2483 factory = atk_registry_get_factory (registry,
2485 derived_atk_type = atk_object_factory_get_accessible_type (factory);
2486 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
2487 atk_registry_set_factory_type (registry,
2489 ev_view_accessible_factory_get_type ());
2492 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
2496 ev_view_get_property (GObject *object,
2501 EvView *view = EV_VIEW (object);
2505 g_value_set_string (value, view->status);
2507 case PROP_FIND_STATUS:
2508 g_value_set_string (value, view->status);
2510 case PROP_CONTINUOUS:
2511 g_value_set_boolean (value, view->continuous);
2513 case PROP_DUAL_PAGE:
2514 g_value_set_boolean (value, view->dual_page);
2516 case PROP_FULLSCREEN:
2517 g_value_set_boolean (value, view->fullscreen);
2519 case PROP_PRESENTATION:
2520 g_value_set_boolean (value, view->presentation);
2522 case PROP_SIZING_MODE:
2523 g_value_set_enum (value, view->sizing_mode);
2526 g_value_set_double (value, view->scale);
2529 g_value_set_int (value, view->rotation);
2531 case PROP_HAS_SELECTION:
2532 g_value_set_boolean (value,
2533 view->selection_info.selections != NULL);
2536 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2541 ev_view_class_init (EvViewClass *class)
2543 GObjectClass *object_class = G_OBJECT_CLASS (class);
2544 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
2545 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
2546 GtkBindingSet *binding_set;
2548 object_class->finalize = ev_view_finalize;
2549 object_class->set_property = ev_view_set_property;
2550 object_class->get_property = ev_view_get_property;
2552 widget_class->expose_event = ev_view_expose_event;
2553 widget_class->button_press_event = ev_view_button_press_event;
2554 widget_class->motion_notify_event = ev_view_motion_notify_event;
2555 widget_class->button_release_event = ev_view_button_release_event;
2556 widget_class->focus_in_event = ev_view_focus_in;
2557 widget_class->focus_out_event = ev_view_focus_out;
2558 widget_class->get_accessible = ev_view_get_accessible;
2559 widget_class->size_request = ev_view_size_request;
2560 widget_class->size_allocate = ev_view_size_allocate;
2561 widget_class->realize = ev_view_realize;
2562 widget_class->scroll_event = ev_view_scroll_event;
2563 widget_class->enter_notify_event = ev_view_enter_notify_event;
2564 widget_class->leave_notify_event = ev_view_leave_notify_event;
2565 widget_class->style_set = ev_view_style_set;
2566 widget_class->drag_data_get = ev_view_drag_data_get;
2567 widget_class->popup_menu = ev_view_popup_menu;
2568 gtk_object_class->destroy = ev_view_destroy;
2570 class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
2571 class->binding_activated = ev_view_scroll;
2573 widget_class->set_scroll_adjustments_signal =
2574 g_signal_new ("set-scroll-adjustments",
2575 G_OBJECT_CLASS_TYPE (object_class),
2576 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2577 G_STRUCT_OFFSET (EvViewClass, set_scroll_adjustments),
2579 ev_marshal_VOID__OBJECT_OBJECT,
2581 GTK_TYPE_ADJUSTMENT,
2582 GTK_TYPE_ADJUSTMENT);
2584 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
2585 G_TYPE_FROM_CLASS (object_class),
2586 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2587 G_STRUCT_OFFSET (EvViewClass, binding_activated),
2589 ev_marshal_VOID__ENUM_BOOLEAN,
2591 GTK_TYPE_SCROLL_TYPE,
2594 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
2595 G_TYPE_FROM_CLASS (object_class),
2596 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2597 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
2599 ev_marshal_VOID__VOID,
2600 G_TYPE_NONE, 0, G_TYPE_NONE);
2601 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
2602 G_TYPE_FROM_CLASS (object_class),
2603 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2604 G_STRUCT_OFFSET (EvViewClass, external_link),
2606 g_cclosure_marshal_VOID__OBJECT,
2609 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
2610 G_TYPE_FROM_CLASS (object_class),
2611 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2612 G_STRUCT_OFFSET (EvViewClass, popup_menu),
2614 g_cclosure_marshal_VOID__OBJECT,
2618 g_object_class_install_property (object_class,
2620 g_param_spec_string ("status",
2622 "The status message",
2626 g_object_class_install_property (object_class,
2628 g_param_spec_string ("find-status",
2629 "Find Status Message",
2630 "The find status message",
2634 g_object_class_install_property (object_class,
2636 g_param_spec_boolean ("continuous",
2638 "Continuous scrolling mode",
2640 G_PARAM_READWRITE));
2642 g_object_class_install_property (object_class,
2644 g_param_spec_boolean ("dual-page",
2646 "Two pages visible at once",
2648 G_PARAM_READWRITE));
2649 g_object_class_install_property (object_class,
2651 g_param_spec_boolean ("fullscreen",
2653 "Draw page in a fullscreen fashion",
2655 G_PARAM_READWRITE));
2656 g_object_class_install_property (object_class,
2658 g_param_spec_boolean ("presentation",
2660 "Draw page in presentation mode",
2662 G_PARAM_READWRITE));
2664 g_object_class_install_property (object_class,
2666 g_param_spec_enum ("sizing-mode",
2669 EV_TYPE_SIZING_MODE,
2670 EV_SIZING_FIT_WIDTH,
2671 G_PARAM_READWRITE));
2673 g_object_class_install_property (object_class,
2675 g_param_spec_double ("zoom",
2681 G_PARAM_READWRITE));
2682 g_object_class_install_property (object_class,
2684 g_param_spec_double ("rotation",
2690 G_PARAM_READWRITE));
2691 g_object_class_install_property (object_class,
2693 g_param_spec_boolean ("has-selection",
2695 "The view has selections",
2699 binding_set = gtk_binding_set_by_class (class);
2701 add_scroll_binding_keypad (binding_set, GDK_Left, 0, EV_SCROLL_STEP_BACKWARD, TRUE);
2702 add_scroll_binding_keypad (binding_set, GDK_Right, 0, EV_SCROLL_STEP_FORWARD, TRUE);
2703 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, TRUE);
2704 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, TRUE);
2705 add_scroll_binding_keypad (binding_set, GDK_Up, 0, EV_SCROLL_STEP_BACKWARD, FALSE);
2706 add_scroll_binding_keypad (binding_set, GDK_Down, 0, EV_SCROLL_STEP_FORWARD, FALSE);
2707 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, FALSE);
2708 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, FALSE);
2712 ev_view_init (EvView *view)
2714 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
2718 view->current_page = 0;
2719 view->pressed_button = -1;
2720 view->cursor = EV_VIEW_CURSOR_NORMAL;
2721 view->drag_info.in_drag = FALSE;
2722 view->selection_info.selections = NULL;
2723 view->selection_info.in_selection = FALSE;
2724 view->selection_info.in_drag = FALSE;
2725 view->selection_mode = EV_VIEW_SELECTION_TEXT;
2726 view->continuous = TRUE;
2727 view->dual_page = FALSE;
2728 view->presentation = FALSE;
2729 view->fullscreen = FALSE;
2730 view->sizing_mode = EV_SIZING_FIT_WIDTH;
2731 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2732 view->jump_to_find_result = TRUE;
2738 find_changed_cb (EvDocument *document, int page, EvView *view)
2743 percent = ev_document_find_get_progress
2744 (EV_DOCUMENT_FIND (view->document));
2745 n_pages = ev_page_cache_get_n_pages (view->page_cache);
2747 if (view->jump_to_find_result == TRUE) {
2748 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
2749 jump_to_find_result (view);
2751 update_find_status_message (view, percent * n_pages >= n_pages - 1 );
2752 if (view->current_page == page)
2753 gtk_widget_queue_draw (GTK_WIDGET (view));
2757 job_finished_cb (EvPixbufCache *pixbuf_cache,
2760 gtk_widget_queue_draw (GTK_WIDGET (view));
2764 page_changed_cb (EvPageCache *page_cache,
2768 if (view->current_page != new_page) {
2769 view->current_page = new_page;
2770 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2771 gtk_widget_queue_resize (GTK_WIDGET (view));
2773 gtk_widget_queue_draw (GTK_WIDGET (view));
2776 if (EV_IS_DOCUMENT_FIND (view->document)) {
2777 view->find_result = 0;
2778 update_find_status_message (view, TRUE);
2782 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
2787 if (! GTK_WIDGET_REALIZED (view))
2790 if (view->hadjustment) {
2791 dx = view->scroll_x - (int) view->hadjustment->value;
2792 view->scroll_x = (int) view->hadjustment->value;
2797 if (view->vadjustment) {
2798 dy = view->scroll_y - (int) view->vadjustment->value;
2799 view->scroll_y = (int) view->vadjustment->value;
2805 if (view->pending_resize)
2806 gtk_widget_queue_draw (GTK_WIDGET (view));
2808 gdk_window_scroll (GTK_WIDGET (view)->window, dx, dy);
2812 view_update_range_and_current_page (view);
2820 view = g_object_new (EV_TYPE_VIEW, NULL);
2826 setup_caches (EvView *view)
2828 view->page_cache = ev_page_cache_get (view->document);
2829 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
2830 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
2831 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
2835 clear_caches (EvView *view)
2837 if (view->pixbuf_cache) {
2838 g_object_unref (view->pixbuf_cache);
2839 view->pixbuf_cache = NULL;
2842 if (view->page_cache) {
2843 view->page_cache = NULL;
2848 ev_view_set_loading (EvView *view,
2851 view->loading = loading;
2852 gtk_widget_queue_draw (GTK_WIDGET (view));
2856 ev_view_set_document (EvView *view,
2857 EvDocument *document)
2859 g_return_if_fail (EV_IS_VIEW (view));
2861 view->loading = FALSE;
2863 if (document != view->document) {
2864 clear_caches (view);
2866 if (view->document) {
2867 g_signal_handlers_disconnect_by_func (view->document,
2870 g_object_unref (view->document);
2871 view->page_cache = NULL;
2875 view->document = document;
2876 view->find_result = 0;
2878 if (view->document) {
2879 g_object_ref (view->document);
2880 if (EV_IS_DOCUMENT_FIND (view->document)) {
2881 g_signal_connect (view->document,
2883 G_CALLBACK (find_changed_cb),
2887 setup_caches (view);
2890 gtk_widget_queue_resize (GTK_WIDGET (view));
2894 /*** Zoom and sizing mode ***/
2896 #define EPSILON 0.0000001
2898 ev_view_set_zoom (EvView *view,
2905 scale = view->scale * factor;
2909 scale = CLAMP (scale, MIN_SCALE, MAX_SCALE);
2911 if (ABS (view->scale - scale) < EPSILON)
2914 view->scale = scale;
2915 view->pending_resize = TRUE;
2917 gtk_widget_queue_resize (GTK_WIDGET (view));
2919 g_object_notify (G_OBJECT (view), "zoom");
2923 ev_view_get_zoom (EvView *view)
2929 ev_view_get_continuous (EvView *view)
2931 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2933 return view->continuous;
2937 ev_view_set_continuous (EvView *view,
2938 gboolean continuous)
2940 g_return_if_fail (EV_IS_VIEW (view));
2942 continuous = continuous != FALSE;
2944 if (view->continuous != continuous) {
2945 view->continuous = continuous;
2946 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2947 gtk_widget_queue_resize (GTK_WIDGET (view));
2950 g_object_notify (G_OBJECT (view), "continuous");
2954 ev_view_get_dual_page (EvView *view)
2956 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2958 return view->dual_page;
2962 ev_view_set_dual_page (EvView *view,
2965 g_return_if_fail (EV_IS_VIEW (view));
2967 dual_page = dual_page != FALSE;
2969 if (view->dual_page == dual_page)
2972 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2973 view->dual_page = dual_page;
2974 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
2975 * preload_cache_size to be 2 if dual_page is set.
2977 gtk_widget_queue_resize (GTK_WIDGET (view));
2979 g_object_notify (G_OBJECT (view), "dual-page");
2983 ev_view_set_fullscreen (EvView *view,
2984 gboolean fullscreen)
2986 g_return_if_fail (EV_IS_VIEW (view));
2988 fullscreen = fullscreen != FALSE;
2990 if (view->fullscreen == fullscreen)
2993 view->fullscreen = fullscreen;
2994 gtk_widget_queue_resize (GTK_WIDGET (view));
2996 g_object_notify (G_OBJECT (view), "fullscreen");
3000 ev_view_get_fullscreen (EvView *view)
3002 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3004 return view->fullscreen;
3008 ev_view_set_presentation (EvView *view,
3009 gboolean presentation)
3011 g_return_if_fail (EV_IS_VIEW (view));
3013 presentation = presentation != FALSE;
3015 if (view->presentation == presentation)
3018 view->presentation = presentation;
3019 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
3020 gtk_widget_queue_resize (GTK_WIDGET (view));
3022 if (GTK_WIDGET_REALIZED (view)) {
3023 if (view->presentation)
3024 gdk_window_set_background (GTK_WIDGET(view)->window,
3025 >K_WIDGET (view)->style->black);
3027 gdk_window_set_background (GTK_WIDGET(view)->window,
3028 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
3032 g_object_notify (G_OBJECT (view), "presentation");
3036 ev_view_get_presentation (EvView *view)
3038 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3040 return view->presentation;
3044 ev_view_set_sizing_mode (EvView *view,
3045 EvSizingMode sizing_mode)
3047 g_return_if_fail (EV_IS_VIEW (view));
3049 if (view->sizing_mode == sizing_mode)
3052 view->sizing_mode = sizing_mode;
3053 gtk_widget_queue_resize (GTK_WIDGET (view));
3055 g_object_notify (G_OBJECT (view), "sizing-mode");
3059 ev_view_get_sizing_mode (EvView *view)
3061 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
3063 return view->sizing_mode;
3067 ev_view_can_zoom_in (EvView *view)
3069 return view->scale * ZOOM_IN_FACTOR <= MAX_SCALE;
3073 ev_view_can_zoom_out (EvView *view)
3075 return view->scale * ZOOM_OUT_FACTOR >= MIN_SCALE;
3079 ev_view_zoom_in (EvView *view)
3081 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
3083 view->pending_scroll = SCROLL_TO_CENTER;
3084 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
3088 ev_view_zoom_out (EvView *view)
3090 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
3092 view->pending_scroll = SCROLL_TO_CENTER;
3093 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
3097 ev_view_rotate_right (EvView *view)
3099 int rotation = view->rotation + 90;
3101 if (rotation >= 360) {
3105 ev_view_set_rotation (view, rotation);
3109 ev_view_rotate_left (EvView *view)
3111 int rotation = view->rotation - 90;
3117 ev_view_set_rotation (view, rotation);
3121 ev_view_set_rotation (EvView *view, int rotation)
3123 view->rotation = rotation;
3125 if (view->pixbuf_cache) {
3126 ev_pixbuf_cache_clear (view->pixbuf_cache);
3127 gtk_widget_queue_resize (GTK_WIDGET (view));
3131 clear_selection (view);
3133 g_object_notify (G_OBJECT (view), "rotation");
3137 ev_view_get_rotation (EvView *view)
3139 return view->rotation;
3143 zoom_for_size_fit_width (int doc_width,
3151 scale = (double)target_width / doc_width;
3153 if (doc_height * scale > target_height)
3154 scale = (double) (target_width - vsb_width) / doc_width;
3160 zoom_for_size_fit_height (int doc_width,
3168 scale = (double)target_height / doc_height;
3170 if (doc_width * scale > target_width)
3171 scale = (double) (target_height - vsb_height) / doc_height;
3177 zoom_for_size_best_fit (int doc_width,
3187 w_scale = (double)target_width / doc_width;
3188 h_scale = (double)target_height / doc_height;
3190 if (doc_height * w_scale > target_height)
3191 w_scale = (double) (target_width - vsb_width) / doc_width;
3192 if (doc_width * h_scale > target_width)
3193 h_scale = (double) (target_height - hsb_width) / doc_height;
3195 return MIN (w_scale, h_scale);
3200 ev_view_zoom_for_size_presentation (EvView *view,
3204 int doc_width, doc_height;
3207 ev_page_cache_get_size (view->page_cache,
3213 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
3214 ev_view_set_zoom (view, scale, FALSE);
3218 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
3224 int doc_width, doc_height;
3228 ev_page_cache_get_max_width (view->page_cache,
3232 ev_page_cache_get_max_height (view->page_cache,
3236 compute_border (view, doc_width, doc_height, &border);
3238 doc_width = doc_width * 2;
3239 width -= (2 * (border.left + border.right) + 3 * view->spacing);
3240 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3242 /* FIXME: We really need to calculate the overall height here, not the
3243 * page height. We assume there's always a vertical scrollbar for
3244 * now. We need to fix this. */
3245 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3246 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3247 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3248 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3250 g_assert_not_reached ();
3252 ev_view_set_zoom (view, scale, FALSE);
3256 ev_view_zoom_for_size_continuous (EvView *view,
3262 int doc_width, doc_height;
3266 ev_page_cache_get_max_width (view->page_cache,
3270 ev_page_cache_get_max_height (view->page_cache,
3274 compute_border (view, doc_width, doc_height, &border);
3276 width -= (border.left + border.right + 2 * view->spacing);
3277 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3279 /* FIXME: We really need to calculate the overall height here, not the
3280 * page height. We assume there's always a vertical scrollbar for
3281 * now. We need to fix this. */
3282 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3283 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3284 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3285 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3287 g_assert_not_reached ();
3289 ev_view_set_zoom (view, scale, FALSE);
3293 ev_view_zoom_for_size_dual_page (EvView *view,
3300 gint doc_width, doc_height;
3304 other_page = view->current_page ^ 1;
3306 /* Find the largest of the two. */
3307 ev_page_cache_get_size (view->page_cache,
3311 &doc_width, &doc_height);
3313 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
3314 gint width_2, height_2;
3315 ev_page_cache_get_size (view->page_cache,
3319 &width_2, &height_2);
3320 if (width_2 > doc_width)
3321 doc_width = width_2;
3322 if (height_2 > doc_height)
3323 doc_height = height_2;
3325 compute_border (view, doc_width, doc_height, &border);
3327 doc_width = doc_width * 2;
3328 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
3329 height -= (border.top + border.bottom + 2 * view->spacing);
3331 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3332 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3333 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3334 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3336 g_assert_not_reached ();
3338 ev_view_set_zoom (view, scale, FALSE);
3342 ev_view_zoom_for_size_single_page (EvView *view,
3348 int doc_width, doc_height;
3352 ev_page_cache_get_size (view->page_cache,
3358 /* Get an approximate border */
3359 compute_border (view, width, height, &border);
3361 width -= (border.left + border.right + 2 * view->spacing);
3362 height -= (border.top + border.bottom + 2 * view->spacing);
3364 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3365 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3366 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3367 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3369 g_assert_not_reached ();
3371 ev_view_set_zoom (view, scale, FALSE);
3375 ev_view_set_zoom_for_size (EvView *view,
3381 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
3382 view->sizing_mode == EV_SIZING_BEST_FIT);
3383 g_return_if_fail (width >= 0);
3384 g_return_if_fail (height >= 0);
3386 if (view->document == NULL)
3389 if (view->presentation)
3390 ev_view_zoom_for_size_presentation (view, width, height);
3391 else if (view->continuous && view->dual_page)
3392 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
3393 else if (view->continuous)
3394 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
3395 else if (view->dual_page)
3396 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
3398 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
3401 /*** Status text messages ***/
3404 ev_view_get_status (EvView *view)
3406 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3408 return view->status;
3412 ev_view_set_status (EvView *view, const char *message)
3414 g_return_if_fail (EV_IS_VIEW (view));
3416 if (message != view->status) {
3417 g_free (view->status);
3418 view->status = g_strdup (message);
3419 g_object_notify (G_OBJECT (view), "status");
3424 update_find_status_message (EvView *view, gboolean this_page)
3431 results = ev_document_find_get_n_results
3432 (EV_DOCUMENT_FIND (view->document),
3433 view->current_page);
3434 /* TRANS: Sometimes this could be better translated as
3435 "%d hit(s) on this page". Therefore this string
3436 contains plural cases. */
3437 message = g_strdup_printf (ngettext ("%d found on this page",
3438 "%d found on this page",
3444 percent = ev_document_find_get_progress
3445 (EV_DOCUMENT_FIND (view->document));
3446 message = g_strdup_printf (_("%3d%% remaining to search"),
3447 (int) ((1.0 - percent) * 100));
3450 ev_view_set_find_status (view, message);
3455 ev_view_get_find_status (EvView *view)
3457 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3459 return view->find_status;
3463 ev_view_set_find_status (EvView *view, const char *message)
3465 g_return_if_fail (EV_IS_VIEW (view));
3467 g_free (view->find_status);
3468 view->find_status = g_strdup (message);
3469 g_object_notify (G_OBJECT (view), "find-status");
3475 jump_to_find_result (EvView *view)
3477 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3479 GdkRectangle view_rect;
3481 int page = view->current_page;
3483 n_results = ev_document_find_get_n_results (find, page);
3485 if (n_results > 0 && view->find_result < n_results) {
3486 ev_document_find_get_result
3487 (find, page, view->find_result, &rect);
3489 doc_rect_to_view_rect (view, page, &rect, &view_rect);
3490 ensure_rectangle_is_visible (view, &view_rect);
3496 * @view: #EvView instance
3497 * @direction: Direction to look
3498 * @shift: Shift from current page
3500 * Jumps to the first page that has occurences of searched word.
3501 * Uses a direction where to look and a shift from current page.
3505 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
3509 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3511 for (i = 0; i < n_pages; i++) {
3515 if (direction == EV_VIEW_FIND_NEXT)
3516 page = view->current_page + i;
3518 page = view->current_page - i;
3521 if (page >= n_pages) {
3522 page = page - n_pages;
3525 page = page + n_pages;
3527 has_results = ev_document_find_page_has_results
3528 (EV_DOCUMENT_FIND (view->document), page);
3529 if (has_results == -1) {
3531 } else if (has_results == 1) {
3532 ev_page_cache_set_current_page (view->page_cache, page);
3539 ev_view_can_find_next (EvView *view)
3541 if (EV_IS_DOCUMENT_FIND (view->document)) {
3542 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3545 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3546 for (i = 0; i < n_pages; i++) {
3547 if (ev_document_find_get_n_results (find, i) > 0) {
3557 ev_view_find_next (EvView *view)
3559 int n_results, n_pages;
3560 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3562 n_results = ev_document_find_get_n_results (find, view->current_page);
3564 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3566 view->find_result++;
3568 if (view->find_result >= n_results) {
3570 view->find_result = 0;
3571 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
3572 jump_to_find_result (view);
3574 jump_to_find_result (view);
3575 gtk_widget_queue_draw (GTK_WIDGET (view));
3580 ev_view_can_find_previous (EvView *view)
3582 if (EV_IS_DOCUMENT_FIND (view->document)) {
3583 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3586 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3587 for (i = n_pages - 1; i >= 0; i--) {
3588 if (ev_document_find_get_n_results (find, i) > 0) {
3597 ev_view_find_previous (EvView *view)
3599 int n_results, n_pages;
3600 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3601 EvPageCache *page_cache;
3603 page_cache = ev_page_cache_get (view->document);
3605 n_results = ev_document_find_get_n_results (find, view->current_page);
3607 n_pages = ev_page_cache_get_n_pages (page_cache);
3609 view->find_result--;
3611 if (view->find_result < 0) {
3613 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
3614 view->find_result = ev_document_find_get_n_results (find, view->current_page) - 1;
3615 jump_to_find_result (view);
3617 jump_to_find_result (view);
3618 gtk_widget_queue_draw (GTK_WIDGET (view));
3622 void ev_view_search_changed (EvView *view)
3624 /* search string has changed, focus on new search result */
3625 view->jump_to_find_result = TRUE;
3628 /*** Selections ***/
3630 /* compute_new_selection_rect/text calculates the area currently selected by
3631 * view_rect. each handles a different mode;
3634 compute_new_selection_rect (EvView *view,
3638 GdkRectangle view_rect;
3642 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
3644 view_rect.x = MIN (start->x, stop->x);
3645 view_rect.y = MIN (start->y, stop->y);
3646 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
3647 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
3649 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3651 for (i = 0; i < n_pages; i++) {
3652 GdkRectangle page_area;
3655 if (get_page_extents (view, i, &page_area, &border)) {
3656 GdkRectangle overlap;
3658 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
3659 EvViewSelection *selection;
3661 selection = g_new0 (EvViewSelection, 1);
3662 selection->page = i;
3663 view_rect_to_doc_rect (view, &overlap, &page_area,
3664 &(selection->rect));
3666 list = g_list_append (list, selection);
3675 gdk_rectangle_point_in (GdkRectangle *rectangle,
3678 return rectangle->x <= point->x &&
3679 rectangle->y <= point->y &&
3680 point->x < rectangle->x + rectangle->width &&
3681 point->y < rectangle->y + rectangle->height;
3685 compute_new_selection_text (EvView *view,
3689 int n_pages, i, first, last;
3691 EvViewSelection *selection;
3693 int start_page, end_page;
3695 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
3697 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3699 /* First figure out the range of pages the selection
3703 if (view->continuous) {
3706 } else if (view->dual_page) {
3707 start_page = view->start_page;
3708 end_page = view->end_page + 1;
3710 start_page = view->current_page;
3711 end_page = view->current_page + 1;
3714 for (i = start_page; i < end_page; i++) {
3715 GdkRectangle page_area;
3718 get_page_extents (view, i, &page_area, &border);
3719 if (gdk_rectangle_point_in (&page_area, start) ||
3720 gdk_rectangle_point_in (&page_area, stop)) {
3721 if (first == n_pages)
3730 /* Now create a list of EvViewSelection's for the affected
3731 * pages. This could be an empty list, a list of just one
3732 * page or a number of pages.*/
3733 for (i = first; i < last + 1; i++) {
3734 GdkRectangle page_area;
3738 ev_page_cache_get_size (view->page_cache, i,
3740 1.0, &width, &height);
3742 selection = g_new0 (EvViewSelection, 1);
3743 selection->page = i;
3744 selection->rect.x1 = selection->rect.y1 = 0;
3745 selection->rect.x2 = width;
3746 selection->rect.y2 = height;
3748 get_page_extents (view, i, &page_area, &border);
3750 if (gdk_rectangle_point_in (&page_area, start))
3756 view_point_to_doc_point (view, point, &page_area,
3757 &selection->rect.x1,
3758 &selection->rect.y1);
3760 /* If the selection is contained within just one page,
3761 * make sure we don't write 'start' into both points
3762 * in selection->rect. */
3767 view_point_to_doc_point (view, point, &page_area,
3768 &selection->rect.x2,
3769 &selection->rect.y2);
3771 list = g_list_append (list, selection);
3777 /* This function takes the newly calculated list, and figures out which regions
3778 * have changed. It then queues a redraw approporiately.
3781 merge_selection_region (EvView *view,
3785 GList *new_list_ptr, *old_list_ptr;
3787 /* Update the selection */
3788 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
3789 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
3790 view->selection_info.selections = new_list;
3791 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
3792 g_object_notify (G_OBJECT (view), "has-selection");
3794 new_list_ptr = new_list;
3795 old_list_ptr = old_list;
3797 while (new_list_ptr || old_list_ptr) {
3798 EvViewSelection *old_sel, *new_sel;
3800 GdkRegion *region = NULL;
3802 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
3803 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
3805 /* Assume that the lists are in order, and we run through them
3806 * comparing them, one page at a time. We come out with the
3807 * first page we see. */
3808 if (new_sel && old_sel) {
3809 if (new_sel->page < old_sel->page) {
3810 new_list_ptr = new_list_ptr->next;
3812 } else if (new_sel->page > old_sel->page) {
3813 old_list_ptr = old_list_ptr->next;
3816 new_list_ptr = new_list_ptr->next;
3817 old_list_ptr = old_list_ptr->next;
3819 } else if (new_sel) {
3820 new_list_ptr = new_list_ptr->next;
3821 } else if (old_sel) {
3822 old_list_ptr = old_list_ptr->next;
3825 g_assert (new_sel || old_sel);
3827 /* is the page we're looking at on the screen?*/
3828 cur_page = new_sel ? new_sel->page : old_sel->page;
3829 if (cur_page < view->start_page || cur_page > view->end_page)
3832 /* seed the cache with a new page. We are going to need the new
3835 GdkRegion *tmp_region = NULL;
3836 ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
3841 new_sel->covered_region = gdk_region_copy (tmp_region);
3845 /* Now we figure out what needs redrawing */
3846 if (old_sel && new_sel) {
3847 if (old_sel->covered_region &&
3848 new_sel->covered_region) {
3849 /* We only want to redraw the areas that have
3850 * changed, so we xor the old and new regions
3851 * and redraw if it's different */
3852 region = gdk_region_copy (old_sel->covered_region);
3853 gdk_region_xor (region, new_sel->covered_region);
3854 if (gdk_region_empty (region)) {
3855 gdk_region_destroy (region);
3858 } else if (old_sel->covered_region) {
3859 region = gdk_region_copy (old_sel->covered_region);
3860 } else if (new_sel->covered_region) {
3861 region = gdk_region_copy (new_sel->covered_region);
3863 } else if (old_sel && !new_sel) {
3864 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
3865 region = gdk_region_copy (old_sel->covered_region);
3867 } else if (!old_sel && new_sel) {
3868 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
3869 region = gdk_region_copy (new_sel->covered_region);
3872 g_assert_not_reached ();
3875 /* Redraw the damaged region! */
3877 GdkRectangle page_area;
3880 get_page_extents (view, cur_page, &page_area, &border);
3881 gdk_region_offset (region,
3882 page_area.x + border.left - view->scroll_x,
3883 page_area.y + border.top - view->scroll_y);
3884 gdk_window_invalidate_region (GTK_WIDGET (view)->window, region, TRUE);
3885 gdk_region_destroy (region);
3889 /* Free the old list, now that we're done with it. */
3890 g_list_foreach (old_list, (GFunc) selection_free, NULL);
3894 compute_selections (EvView *view,
3900 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
3901 list = compute_new_selection_rect (view, start, stop);
3903 list = compute_new_selection_text (view, start, stop);
3904 merge_selection_region (view, list);
3907 /* Free's the selection. It's up to the caller to queue redraws if needed.
3910 selection_free (EvViewSelection *selection)
3912 if (selection->covered_region)
3913 gdk_region_destroy (selection->covered_region);
3918 clear_selection (EvView *view)
3920 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
3921 view->selection_info.selections = NULL;
3922 view->selection_info.in_selection = FALSE;
3923 g_object_notify (G_OBJECT (view), "has-selection");
3928 ev_view_select_all (EvView *view)
3932 /* Disable selection on rotated pages for the 0.4.0 series */
3933 if (view->rotation != 0)
3936 clear_selection (view);
3938 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3939 for (i = 0; i < n_pages; i++) {
3941 EvViewSelection *selection;
3943 ev_page_cache_get_size (view->page_cache,
3946 1.0, &width, &height);
3948 selection = g_new0 (EvViewSelection, 1);
3949 selection->page = i;
3950 selection->rect.x1 = selection->rect.y1 = 0;
3951 selection->rect.x2 = width;
3952 selection->rect.y2 = height;
3954 view->selection_info.selections = g_list_append (view->selection_info.selections, selection);
3957 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, view->selection_info.selections);
3958 g_object_notify (G_OBJECT (view), "has-selection");
3959 gtk_widget_queue_draw (GTK_WIDGET (view));
3963 ev_view_get_has_selection (EvView *view)
3965 return view->selection_info.selections != NULL;
3969 get_selected_text (EvView *ev_view)
3974 text = g_string_new (NULL);
3976 ev_document_doc_mutex_lock ();
3978 for (l = ev_view->selection_info.selections; l != NULL; l = l->next) {
3979 EvViewSelection *selection = (EvViewSelection *)l->data;
3982 tmp = ev_document_get_text (ev_view->document,
3985 g_string_append (text, tmp);
3989 ev_document_doc_mutex_unlock ();
3991 return g_string_free (text, FALSE);
3995 ev_view_copy (EvView *ev_view)
3997 GtkClipboard *clipboard;
4000 if (!ev_document_can_get_text (ev_view->document)) {
4004 text = get_selected_text (ev_view);
4005 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
4006 GDK_SELECTION_CLIPBOARD);
4007 gtk_clipboard_set_text (clipboard, text, -1);
4012 ev_view_primary_get_cb (GtkClipboard *clipboard,
4013 GtkSelectionData *selection_data,
4017 EvView *ev_view = EV_VIEW (data);
4020 if (!ev_document_can_get_text (ev_view->document)) {
4024 text = get_selected_text (ev_view);
4025 gtk_selection_data_set_text (selection_data, text, -1);
4030 ev_view_primary_clear_cb (GtkClipboard *clipboard,
4033 EvView *view = EV_VIEW (data);
4035 clear_selection (view);
4039 ev_view_update_primary_selection (EvView *ev_view)
4041 GtkClipboard *clipboard;
4043 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
4044 GDK_SELECTION_PRIMARY);
4046 if (ev_view->selection_info.selections) {
4047 if (!gtk_clipboard_set_with_owner (clipboard,
4049 G_N_ELEMENTS (targets),
4050 ev_view_primary_get_cb,
4051 ev_view_primary_clear_cb,
4052 G_OBJECT (ev_view)))
4053 ev_view_primary_clear_cb (clipboard, ev_view);
4055 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
4056 gtk_clipboard_clear (clipboard);
4060 /*** Cursor operations ***/
4063 ev_view_create_invisible_cursor(void)
4066 GdkColor black = { 0, 0, 0, 0 };
4067 static char bits[] = { 0x00 };
4069 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
4071 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
4075 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
4077 GdkCursor *cursor = NULL;
4078 GdkDisplay *display;
4081 if (view->cursor == new_cursor) {
4085 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
4086 display = gtk_widget_get_display (widget);
4087 view->cursor = new_cursor;
4089 switch (new_cursor) {
4090 case EV_VIEW_CURSOR_NORMAL:
4091 gdk_window_set_cursor (widget->window, NULL);
4093 case EV_VIEW_CURSOR_IBEAM:
4094 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
4096 case EV_VIEW_CURSOR_LINK:
4097 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
4099 case EV_VIEW_CURSOR_WAIT:
4100 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
4102 case EV_VIEW_CURSOR_HIDDEN:
4103 cursor = ev_view_create_invisible_cursor ();
4105 case EV_VIEW_CURSOR_DRAG:
4106 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
4111 gdk_window_set_cursor (widget->window, cursor);
4112 gdk_cursor_unref (cursor);
4118 ev_view_hide_cursor (EvView *view)
4120 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
4124 ev_view_show_cursor (EvView *view)
4126 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
4130 ev_view_next_page (EvView *view)
4134 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4136 if (!view->page_cache)
4139 page = ev_page_cache_get_current_page (view->page_cache);
4141 if (view->dual_page && !view->presentation)
4146 if (page < ev_page_cache_get_n_pages (view->page_cache)) {
4147 ev_page_cache_set_current_page (view->page_cache, page);
4149 } else if (ev_view_get_dual_page (view) && page == ev_page_cache_get_n_pages (view->page_cache)) {
4150 ev_page_cache_set_current_page (view->page_cache, page - 1);
4158 ev_view_previous_page (EvView *view)
4162 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4164 if (!view->page_cache)
4167 page = ev_page_cache_get_current_page (view->page_cache);
4169 if (view->dual_page && !view->presentation)
4175 ev_page_cache_set_current_page (view->page_cache, page);
4177 } else if (ev_view_get_dual_page (view) && page == -1) {
4178 ev_page_cache_set_current_page (view->page_cache, 0);
4185 /*** Enum description for usage in signal ***/
4188 ev_sizing_mode_get_type (void)
4190 static GType etype = 0;
4192 static const GEnumValue values[] = {
4193 { EV_SIZING_FIT_WIDTH, "EV_SIZING_FIT_WIDTH", "fit-width" },
4194 { EV_SIZING_BEST_FIT, "EV_SIZING_BEST_FIT", "best-fit" },
4195 { EV_SIZING_FREE, "EV_SIZING_FREE", "free" },
4198 etype = g_enum_register_static ("EvSizingMode", values);
4204 ev_scroll_type_get_type (void)
4206 static GType etype = 0;
4208 static const GEnumValue values[] = {
4209 { EV_SCROLL_PAGE_FORWARD, "EV_SCROLL_PAGE_FORWARD", "scroll-page-forward" },
4210 { EV_SCROLL_PAGE_BACKWARD, "EV_SCROLL_PAGE_BACKWARD", "scroll-page-backward" },
4211 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
4212 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
4213 { EV_SCROLL_STEP_UP, "EV_SCROLL_STEP_UP", "scroll-step-up" },
4214 { EV_SCROLL_STEP_DOWN, "EV_SCROLL_STEP_DOWN", "scroll-step-down" },
4217 etype = g_enum_register_static ("EvScrollType", values);