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 static void draw_loading_text (EvView *view,
211 GdkRectangle *page_area,
212 GdkRectangle *expose_area);
215 static void find_changed_cb (EvDocument *document,
218 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
220 static void page_changed_cb (EvPageCache *page_cache,
223 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
227 static void ev_view_finalize (GObject *object);
228 static void ev_view_destroy (GtkObject *object);
229 static void ev_view_set_property (GObject *object,
233 static void ev_view_get_property (GObject *object,
237 static void ev_view_class_init (EvViewClass *class);
238 static void ev_view_init (EvView *view);
240 /*** Zoom and sizing ***/
241 static double zoom_for_size_fit_width (int doc_width,
246 static double zoom_for_size_fit_height (int doc_width,
251 static double zoom_for_size_best_fit (int doc_width,
257 static void ev_view_zoom_for_size_presentation (EvView *view,
260 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
265 static void ev_view_zoom_for_size_continuous (EvView *view,
270 static void ev_view_zoom_for_size_dual_page (EvView *view,
275 static void ev_view_zoom_for_size_single_page (EvView *view,
281 static GdkCursor* ev_view_create_invisible_cursor (void);
282 static void ev_view_set_cursor (EvView *view,
283 EvViewCursor new_cursor);
285 /*** Status messages ***/
286 static void ev_view_set_status (EvView *view,
287 const char *message);
288 static void update_find_status_message (EvView *view,
290 static void ev_view_set_find_status (EvView *view,
291 const char *message);
293 static void jump_to_find_result (EvView *view);
294 static void jump_to_find_page (EvView *view,
295 EvViewFindDirection direction,
299 static void compute_selections (EvView *view,
302 static void clear_selection (EvView *view);
303 static void selection_free (EvViewSelection *selection);
304 static char* get_selected_text (EvView *ev_view);
305 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
306 GtkSelectionData *selection_data,
309 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
311 static void ev_view_update_primary_selection (EvView *ev_view);
314 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_WIDGET)
317 scroll_to_current_page (EvView *view, GtkOrientation orientation)
321 if (view->document == NULL) {
325 doc_point_to_view_point (view, view->current_page, &view->pending_point, &view_point);
327 if (orientation == GTK_ORIENTATION_VERTICAL) {
328 view->pending_point.y = 0;
330 view->pending_point.x = 0;
333 if (orientation == GTK_ORIENTATION_VERTICAL) {
334 if (view->continuous) {
335 gtk_adjustment_clamp_page (view->vadjustment,
336 view_point.y - view->spacing / 2,
337 view_point.y + view->vadjustment->page_size);
339 gtk_adjustment_set_value (view->vadjustment,
341 view->vadjustment->lower,
342 view->vadjustment->upper -
343 view->vadjustment->page_size));
346 if (view->dual_page) {
347 gtk_adjustment_clamp_page (view->hadjustment,
349 view_point.x + view->hadjustment->page_size);
351 gtk_adjustment_set_value (view->hadjustment,
353 view->hadjustment->lower,
354 view->hadjustment->upper -
355 view->hadjustment->page_size));
361 view_set_adjustment_values (EvView *view,
362 GtkOrientation orientation)
364 GtkWidget *widget = GTK_WIDGET (view);
365 GtkAdjustment *adjustment;
372 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
373 requisition = widget->requisition.width;
374 allocation = widget->allocation.width;
375 adjustment = view->hadjustment;
377 requisition = widget->requisition.height;
378 allocation = widget->allocation.height;
379 adjustment = view->vadjustment;
386 switch (view->pending_scroll) {
387 case SCROLL_TO_KEEP_POSITION:
388 factor = (adjustment->value) / adjustment->upper;
390 case SCROLL_TO_PAGE_POSITION:
392 case SCROLL_TO_CENTER:
393 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
397 adjustment->page_size = allocation;
398 adjustment->step_increment = allocation * 0.1;
399 adjustment->page_increment = allocation * 0.9;
400 adjustment->lower = 0;
401 adjustment->upper = MAX (allocation, requisition);
404 * We add 0.5 to the values before to average out our rounding errors.
406 switch (view->pending_scroll) {
407 case SCROLL_TO_KEEP_POSITION:
408 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
409 gtk_adjustment_set_value (adjustment, (int)new_value);
411 case SCROLL_TO_PAGE_POSITION:
412 scroll_to_current_page (view, orientation);
414 case SCROLL_TO_CENTER:
415 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
416 0, adjustment->upper - adjustment->page_size);
417 gtk_adjustment_set_value (adjustment, (int)new_value);
421 gtk_adjustment_changed (adjustment);
425 view_update_range_and_current_page (EvView *view)
428 gint best_current_page = -1;
430 if (view->pending_scroll != SCROLL_TO_KEEP_POSITION)
433 /* Presentation trumps all other modes */
434 if (view->presentation) {
435 view->start_page = view->current_page;
436 view->end_page = view->current_page;
437 } else if (view->continuous) {
438 GdkRectangle current_area, unused, page_area;
440 gboolean found = FALSE;
441 gint area_max = -1, area;
444 if (!(view->vadjustment && view->hadjustment))
447 current_area.x = view->hadjustment->value;
448 current_area.width = view->hadjustment->upper;
449 current_area.y = view->vadjustment->value;
450 current_area.height = view->vadjustment->page_size;
452 for (i = 0; i < ev_page_cache_get_n_pages (view->page_cache); i++) {
454 get_page_extents (view, i, &page_area, &border);
456 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
457 area = unused.width * unused.height;
461 view->start_page = i;
463 best_current_page = i;
465 if (area > area_max) {
466 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
476 } else if (view->dual_page) {
477 if (view->current_page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) {
478 view->start_page = view->current_page;
479 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache))
480 view->end_page = view->start_page + 1;
482 view->end_page = view->start_page;
484 if (view->current_page < 1)
485 view->start_page = view->current_page;
487 view->start_page = view->current_page - 1;
488 view->end_page = view->current_page;
491 view->start_page = view->current_page;
492 view->end_page = view->current_page;
495 best_current_page = MAX (best_current_page, view->start_page);
496 current_page = ev_page_cache_get_current_page (view->page_cache);
498 if (current_page != best_current_page) {
499 view->current_page = best_current_page;
500 ev_page_cache_set_current_page (view->page_cache, best_current_page);
503 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
508 view->selection_info.selections);
512 set_scroll_adjustment (EvView *view,
513 GtkOrientation orientation,
514 GtkAdjustment *adjustment)
516 GtkAdjustment **to_set;
518 if (orientation == GTK_ORIENTATION_HORIZONTAL)
519 to_set = &view->hadjustment;
521 to_set = &view->vadjustment;
523 if (*to_set != adjustment) {
525 g_signal_handlers_disconnect_by_func (*to_set,
526 (gpointer) on_adjustment_value_changed,
528 g_object_unref (*to_set);
531 *to_set = adjustment;
532 view_set_adjustment_values (view, orientation);
535 g_object_ref (*to_set);
536 g_signal_connect (*to_set, "value_changed",
537 G_CALLBACK (on_adjustment_value_changed), view);
543 ev_view_set_scroll_adjustments (EvView *view,
544 GtkAdjustment *hadjustment,
545 GtkAdjustment *vadjustment)
547 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
548 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
550 on_adjustment_value_changed (NULL, view);
554 add_scroll_binding_keypad (GtkBindingSet *binding_set,
556 GdkModifierType modifiers,
560 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
562 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
563 "binding_activated", 2,
564 EV_TYPE_SCROLL_TYPE, scroll,
565 G_TYPE_BOOLEAN, horizontal);
566 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
567 "binding_activated", 2,
568 EV_TYPE_SCROLL_TYPE, scroll,
569 G_TYPE_BOOLEAN, horizontal);
573 ev_view_scroll (EvView *view,
577 GtkAdjustment *adjustment;
578 double value, increment;
579 gboolean first_page = FALSE;
580 gboolean last_page = FALSE;
582 view->jump_to_find_result = FALSE;
584 if (view->presentation) {
586 case EV_SCROLL_PAGE_BACKWARD:
587 case EV_SCROLL_STEP_BACKWARD:
588 ev_view_previous_page (view);
590 case EV_SCROLL_PAGE_FORWARD:
591 case EV_SCROLL_STEP_FORWARD:
592 ev_view_next_page (view);
600 /* Assign values for increment and vertical adjustment */
601 adjustment = horizontal ? view->hadjustment : view->vadjustment;
602 increment = adjustment->page_size * 0.75;
603 value = adjustment->value;
605 /* Assign boolean for first and last page */
606 if (view->current_page == 0)
608 if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1)
612 case EV_SCROLL_PAGE_BACKWARD:
613 /* Do not jump backwards if at the first page */
614 if (value == (adjustment->lower) && first_page) {
616 /* At the top of a page, assign the upper bound limit of previous page */
617 } else if (value == (adjustment->lower)) {
618 value = adjustment->upper - adjustment->page_size;
619 ev_view_previous_page (view);
620 /* Jump to the top */
622 value = MAX (value - increment, adjustment->lower);
625 case EV_SCROLL_PAGE_FORWARD:
626 /* Do not jump forward if at the last page */
627 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
629 /* At the bottom of a page, assign the lower bound limit of next page */
630 } else if (value == (adjustment->upper - adjustment->page_size)) {
632 ev_view_next_page (view);
633 /* Jump to the bottom */
635 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
638 case EV_SCROLL_STEP_BACKWARD:
639 value -= adjustment->step_increment;
641 case EV_SCROLL_STEP_FORWARD:
642 value += adjustment->step_increment;
644 case EV_SCROLL_STEP_DOWN:
645 value -= adjustment->step_increment / 10;
647 case EV_SCROLL_STEP_UP:
648 value += adjustment->step_increment / 10;
654 value = CLAMP (value, adjustment->lower,
655 adjustment->upper - adjustment->page_size);
657 gtk_adjustment_set_value (adjustment, value);
663 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
665 GtkWidget *widget = GTK_WIDGET (view);
666 GtkAdjustment *adjustment;
669 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
671 adjustment = view->vadjustment;
673 if (rect->y < adjustment->value) {
674 value = MAX (adjustment->lower, rect->y - MARGIN);
675 gtk_adjustment_set_value (view->vadjustment, value);
676 } else if (rect->y + rect->height >
677 adjustment->value + widget->allocation.height) {
678 value = MIN (adjustment->upper, rect->y + rect->height -
679 widget->allocation.height + MARGIN);
680 gtk_adjustment_set_value (view->vadjustment, value);
683 adjustment = view->hadjustment;
685 if (rect->x < adjustment->value) {
686 value = MAX (adjustment->lower, rect->x - MARGIN);
687 gtk_adjustment_set_value (view->hadjustment, value);
688 } else if (rect->x + rect->height >
689 adjustment->value + widget->allocation.width) {
690 value = MIN (adjustment->upper, rect->x + rect->width -
691 widget->allocation.width + MARGIN);
692 gtk_adjustment_set_value (view->hadjustment, value);
696 /*** Geometry computations ***/
699 compute_border (EvView *view, int width, int height, GtkBorder *border)
701 if (view->presentation) {
707 ev_document_misc_get_page_border_size (width, height, border);
712 get_page_y_offset (EvView *view, int page, double zoom, int *y_offset)
714 int max_width, offset;
717 g_return_if_fail (y_offset != NULL);
719 ev_page_cache_get_max_width (view->page_cache, view->rotation, zoom, &max_width);
721 compute_border (view, max_width, max_width, &border);
723 if (view->dual_page) {
724 ev_page_cache_get_height_to_page (view->page_cache, page,
725 view->rotation, zoom, NULL, &offset);
726 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);
728 ev_page_cache_get_height_to_page (view->page_cache, page,
729 view->rotation, zoom, &offset, NULL);
730 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
738 get_page_extents (EvView *view,
740 GdkRectangle *page_area,
746 widget = GTK_WIDGET (view);
748 /* Get the size of the page */
749 ev_page_cache_get_size (view->page_cache, page,
753 compute_border (view, width, height, border);
754 page_area->width = width + border->left + border->right;
755 page_area->height = height + border->top + border->bottom;
757 if (view->presentation) {
758 page_area->x = (MAX (0, widget->allocation.width - width))/2;
759 page_area->y = (MAX (0, widget->allocation.height - height))/2;
760 } else if (view->continuous) {
764 ev_page_cache_get_max_width (view->page_cache, view->rotation,
765 view->scale, &max_width);
766 max_width = max_width + border->left + border->right;
767 /* Get the location of the bounding box */
768 if (view->dual_page) {
769 x = view->spacing + ((page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? 0 : 1) * (max_width + view->spacing);
770 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
771 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
772 x = x + (max_width - width - border->left - border->right);
775 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
778 get_page_y_offset (view, page, view->scale, &y);
784 if (view->dual_page) {
785 gint width_2, height_2;
786 gint max_width = width;
787 gint max_height = height;
788 GtkBorder overall_border;
791 other_page = (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? page + 1: page - 1;
793 /* First, we get the bounding box of the two pages */
794 if (other_page < ev_page_cache_get_n_pages (view->page_cache)
795 && (0 <= other_page)) {
796 ev_page_cache_get_size (view->page_cache,
800 &width_2, &height_2);
803 if (height_2 > height)
804 max_height = height_2;
806 compute_border (view, max_width, max_height, &overall_border);
808 /* Find the offsets */
812 /* Adjust for being the left or right page */
813 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
814 x = x + max_width - width;
816 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
818 y = y + (max_height - height)/2;
820 /* Adjust for extra allocation */
821 x = x + MAX (0, widget->allocation.width -
822 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
823 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
828 /* Adjust for extra allocation */
829 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
830 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
841 view_point_to_doc_point (EvView *view,
842 GdkPoint *view_point,
843 GdkRectangle *page_area,
847 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
848 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
852 view_rect_to_doc_rect (EvView *view,
853 GdkRectangle *view_rect,
854 GdkRectangle *page_area,
855 EvRectangle *doc_rect)
857 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
858 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
859 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
860 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
864 doc_point_to_view_point (EvView *view,
867 GdkPoint *view_point)
869 GdkRectangle page_area;
871 double x, y, view_x, view_y;
874 ev_page_cache_get_size (view->page_cache, page,
879 if (view->rotation == 0) {
882 } else if (view->rotation == 90) {
883 x = width - doc_point->y;
885 } else if (view->rotation == 180) {
886 x = width - doc_point->x;
887 y = height - doc_point->y;
888 } else if (view->rotation == 270) {
890 y = height - doc_point->x;
892 g_assert_not_reached ();
895 get_page_extents (view, page, &page_area, &border);
897 view_x = x * view->scale;
898 view_y = y * view->scale;
899 view_point->x = view_x + page_area.x;
900 view_point->y = view_y + page_area.y;
902 return (view_x > 0 && view_x <= page_area.width &&
903 view_y > 0 && view_y <= page_area.height);
907 doc_rect_to_view_rect (EvView *view,
909 EvRectangle *doc_rect,
910 GdkRectangle *view_rect)
912 GdkRectangle page_area;
917 ev_page_cache_get_size (view->page_cache, page,
922 if (view->rotation == 0) {
925 w = doc_rect->x2 - doc_rect->x1;
926 h = doc_rect->y2 - doc_rect->y1;
927 } else if (view->rotation == 90) {
928 x = width - doc_rect->y2;
930 w = doc_rect->y2 - doc_rect->y1;
931 h = doc_rect->x2 - doc_rect->x1;
932 } else if (view->rotation == 180) {
933 x = width - doc_rect->x2;
934 y = height - doc_rect->y2;
935 w = doc_rect->x2 - doc_rect->x1;
936 h = doc_rect->y2 - doc_rect->y1;
937 } else if (view->rotation == 270) {
939 y = height - doc_rect->x2;
940 w = doc_rect->y2 - doc_rect->y1;
941 h = doc_rect->x2 - doc_rect->x1;
943 g_assert_not_reached ();
946 get_page_extents (view, page, &page_area, &border);
948 view_rect->x = x * view->scale + page_area.x;
949 view_rect->y = y * view->scale + page_area.y;
950 view_rect->width = w * view->scale;
951 view_rect->height = h * view->scale;
955 find_page_at_location (EvView *view,
964 if (view->document == NULL)
971 for (i = view->start_page; i <= view->end_page; i++) {
972 GdkRectangle page_area;
975 if (! get_page_extents (view, i, &page_area, &border))
978 if ((x >= page_area.x + border.left) &&
979 (x < page_area.x + page_area.width - border.right) &&
980 (y >= page_area.y + border.top) &&
981 (y < page_area.y + page_area.height - border.bottom)) {
983 *x_offset = x - (page_area.x + border.left);
984 *y_offset = y - (page_area.y + border.top);
993 location_in_text (EvView *view,
999 gint x_offset = 0, y_offset = 0;
1001 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1006 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
1009 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1015 ev_view_get_width (EvView *view)
1017 return GTK_WIDGET (view)->allocation.width;
1021 ev_view_get_height (EvView *view)
1023 return GTK_WIDGET (view)->allocation.height;
1027 location_in_selected_text (EvView *view,
1032 gint x_offset = 0, y_offset = 0;
1033 EvViewSelection *selection;
1036 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1037 selection = (EvViewSelection *)l->data;
1039 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1041 if (page != selection->page)
1044 if (selection->covered_region &&
1045 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1054 ev_view_get_link_at_location (EvView *view,
1059 gint x_offset = 0, y_offset = 0;
1060 GList *link_mapping;
1062 x += view->scroll_x;
1063 y += view->scroll_y;
1065 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1070 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1073 return ev_link_mapping_find (link_mapping, x_offset / view->scale, y_offset / view->scale);
1079 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1085 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - ev_link_dest_get_left (dest),
1086 ev_link_dest_get_top (dest) - ev_link_dest_get_bottom (dest),
1087 ev_view_get_width (view),
1088 ev_view_get_height (view), 0, 0);
1090 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1091 ev_view_set_zoom (view, zoom, FALSE);
1093 page = ev_link_dest_get_page (dest);
1094 doc_point.x = ev_link_dest_get_left (dest);
1095 doc_point.y = ev_link_dest_get_top (dest);
1097 view->current_page = page;
1098 view->pending_point = doc_point;
1099 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1101 gtk_widget_queue_resize (GTK_WIDGET (view));
1105 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1108 int doc_width, doc_height, page;
1111 page = ev_link_dest_get_page (dest);
1112 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1114 doc_point.x = ev_link_dest_get_left (dest);
1117 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1118 ev_view_get_width (view),
1119 ev_view_get_height (view), 0);
1121 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1122 ev_view_set_zoom (view, zoom, FALSE);
1124 view->current_page = page;
1125 view->pending_point = doc_point;
1126 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1128 gtk_widget_queue_resize (GTK_WIDGET (view));
1132 goto_fith_dest (EvView *view, EvLinkDest *dest)
1135 int doc_width, doc_height, page;
1138 page = ev_link_dest_get_page (dest);
1139 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1142 doc_point.y = doc_height - ev_link_dest_get_top (dest);
1144 zoom = zoom_for_size_fit_width (doc_width, ev_link_dest_get_top (dest),
1145 ev_view_get_width (view),
1146 ev_view_get_height (view), 0);
1148 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1149 ev_view_set_zoom (view, zoom, FALSE);
1151 view->current_page = page;
1152 view->pending_point = doc_point;
1153 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1155 gtk_widget_queue_resize (GTK_WIDGET (view));
1159 goto_fit_dest (EvView *view, EvLinkDest *dest)
1162 int doc_width, doc_height;
1165 page = ev_link_dest_get_page (dest);
1166 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1168 zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view),
1169 ev_view_get_height (view), 0, 0);
1171 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1172 ev_view_set_zoom (view, zoom, FALSE);
1174 view->current_page = page;
1175 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1177 gtk_widget_queue_resize (GTK_WIDGET (view));
1181 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1187 zoom = ev_link_dest_get_zoom (dest);
1188 page = ev_link_dest_get_page (dest);
1189 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, NULL, &height);
1192 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1193 ev_view_set_zoom (view, zoom, FALSE);
1196 doc_point.x = ev_link_dest_get_left (dest);
1197 doc_point.y = height - ev_link_dest_get_top (dest);
1199 view->current_page = page;
1200 view->pending_point = doc_point;
1201 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1203 gtk_widget_queue_resize (GTK_WIDGET (view));
1207 goto_dest (EvView *view, EvLinkDest *dest)
1209 EvLinkDestType type;
1212 page = ev_link_dest_get_page (dest);
1213 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1215 if (page < 0 || page >= n_pages)
1218 type = ev_link_dest_get_dest_type (dest);
1221 case EV_LINK_DEST_TYPE_PAGE:
1222 ev_page_cache_set_current_page (view->page_cache, page);
1224 case EV_LINK_DEST_TYPE_FIT:
1225 goto_fit_dest (view, dest);
1227 case EV_LINK_DEST_TYPE_FITH:
1228 goto_fith_dest (view, dest);
1230 case EV_LINK_DEST_TYPE_FITV:
1231 goto_fitv_dest (view, dest);
1233 case EV_LINK_DEST_TYPE_FITR:
1234 goto_fitr_dest (view, dest);
1236 case EV_LINK_DEST_TYPE_XYZ:
1237 goto_xyz_dest (view, dest);
1240 g_assert_not_reached ();
1245 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1247 EvLinkDestType type;
1249 type = ev_link_dest_get_dest_type (dest);
1251 if (type == EV_LINK_DEST_TYPE_NAMED) {
1253 const gchar *named_dest;
1255 named_dest = ev_link_dest_get_named_dest (dest);
1256 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1259 goto_dest (view, dest2);
1260 g_object_unref (dest2);
1266 goto_dest (view, dest);
1270 ev_view_handle_link (EvView *view, EvLink *link)
1272 EvLinkAction *action = NULL;
1273 EvLinkActionType type;
1275 action = ev_link_get_action (link);
1279 type = ev_link_action_get_action_type (action);
1282 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1285 dest = ev_link_action_get_dest (action);
1286 ev_view_goto_dest (view, dest);
1289 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1290 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1291 case EV_LINK_ACTION_TYPE_LAUNCH:
1292 case EV_LINK_ACTION_TYPE_NAMED:
1293 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1299 page_label_from_dest (EvView *view, EvLinkDest *dest)
1301 EvLinkDestType type;
1304 type = ev_link_dest_get_dest_type (dest);
1307 case EV_LINK_DEST_TYPE_NAMED: {
1309 const gchar *named_dest;
1311 named_dest = ev_link_dest_get_named_dest (dest);
1312 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1315 msg = ev_page_cache_get_page_label (view->page_cache,
1316 ev_link_dest_get_page (dest2));
1317 g_object_unref (dest2);
1323 msg = ev_page_cache_get_page_label (view->page_cache,
1324 ev_link_dest_get_page (dest));
1331 tip_from_action_named (EvLinkAction *action)
1333 const gchar *name = ev_link_action_get_name (action);
1335 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1336 return g_strdup (_("Go to first page"));
1337 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1338 return g_strdup (_("Go to previous page"));
1339 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1340 return g_strdup (_("Go to next page"));
1341 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1342 return g_strdup (_("Go to last page"));
1343 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1344 return g_strdup (_("Go to page"));
1345 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1346 return g_strdup (_("Find"));
1353 tip_from_link (EvView *view, EvLink *link)
1355 EvLinkAction *action;
1356 EvLinkActionType type;
1361 action = ev_link_get_action (link);
1362 title = ev_link_get_title (link);
1365 return title ? g_strdup (title) : NULL;
1367 type = ev_link_action_get_action_type (action);
1370 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1371 page_label = page_label_from_dest (view,
1372 ev_link_action_get_dest (action));
1373 msg = g_strdup_printf (_("Go to page %s"), page_label);
1374 g_free (page_label);
1376 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1378 msg = g_strdup_printf (_("Go to %s on file %s"), title,
1379 ev_link_action_get_filename (action));
1381 msg = g_strdup_printf (_("Go to file %s"),
1382 ev_link_action_get_filename (action));
1386 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1387 msg = g_strdup (ev_link_action_get_uri (action));
1389 case EV_LINK_ACTION_TYPE_LAUNCH:
1390 msg = g_strdup_printf (_("Launch %s"),
1391 ev_link_action_get_filename (action));
1393 case EV_LINK_ACTION_TYPE_NAMED:
1394 msg = tip_from_action_named (action);
1398 msg = g_strdup (title);
1406 handle_link_over_xy (EvView *view, gint x, gint y)
1410 link = ev_view_get_link_at_location (view, x, y);
1412 if (view->link_tooltip == NULL) {
1413 view->link_tooltip = ev_tooltip_new (GTK_WIDGET (view));
1416 if (view->hovered_link != link) {
1417 view->hovered_link = link;
1418 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
1422 char *msg = tip_from_link (view, link);
1424 if (msg && g_utf8_validate (msg, -1, NULL)) {
1425 EvTooltip *tooltip = EV_TOOLTIP (view->link_tooltip);
1427 ev_tooltip_set_position (tooltip, x, y);
1428 ev_tooltip_set_text (tooltip, msg);
1429 ev_tooltip_activate (tooltip);
1433 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1434 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1435 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1437 ev_view_set_status (view, NULL);
1438 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1439 view->cursor == EV_VIEW_CURSOR_IBEAM)
1440 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1445 /*** GtkWidget implementation ***/
1448 ev_view_size_request_continuous_dual_page (EvView *view,
1449 GtkRequisition *requisition)
1455 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1456 view->scale, &max_width);
1457 compute_border (view, max_width, max_width, &border);
1459 n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1;
1461 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
1462 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1464 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1465 requisition->width = 1;
1466 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1467 requisition->width = 1;
1468 /* FIXME: This could actually be set on one page docs or docs
1469 * with a strange aspect ratio. */
1470 /* requisition->height = 1;*/
1475 ev_view_size_request_continuous (EvView *view,
1476 GtkRequisition *requisition)
1483 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1484 view->scale, &max_width);
1485 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1486 compute_border (view, max_width, max_width, &border);
1488 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
1489 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1491 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1492 requisition->width = 1;
1493 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1494 requisition->width = 1;
1495 /* FIXME: This could actually be set on one page docs or docs
1496 * with a strange aspect ratio. */
1497 /* requisition->height = 1;*/
1502 ev_view_size_request_dual_page (EvView *view,
1503 GtkRequisition *requisition)
1508 /* Find the largest of the two. */
1509 ev_page_cache_get_size (view->page_cache,
1514 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) {
1515 gint width_2, height_2;
1516 ev_page_cache_get_size (view->page_cache,
1517 view->current_page + 1,
1520 &width_2, &height_2);
1521 if (width_2 > width) {
1526 compute_border (view, width, height, &border);
1528 requisition->width = ((width + border.left + border.right) * 2) +
1529 (view->spacing * 3);
1530 requisition->height = (height + border.top + border.bottom) +
1531 (view->spacing * 2);
1533 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1534 requisition->width = 1;
1535 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1536 requisition->width = 1;
1537 requisition->height = 1;
1542 ev_view_size_request_single_page (EvView *view,
1543 GtkRequisition *requisition)
1548 ev_page_cache_get_size (view->page_cache,
1553 compute_border (view, width, height, &border);
1555 requisition->width = width + border.left + border.right + (2 * view->spacing);
1556 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1558 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1559 requisition->width = 1;
1560 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1561 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1562 requisition->width = 1;
1563 requisition->height = 1;
1568 ev_view_size_request (GtkWidget *widget,
1569 GtkRequisition *requisition)
1571 EvView *view = EV_VIEW (widget);
1573 if (view->document == NULL) {
1574 requisition->width = 1;
1575 requisition->height = 1;
1579 if (view->presentation) {
1580 requisition->width = 1;
1581 requisition->height = 1;
1585 if (view->continuous && view->dual_page)
1586 ev_view_size_request_continuous_dual_page (view, requisition);
1587 else if (view->continuous)
1588 ev_view_size_request_continuous (view, requisition);
1589 else if (view->dual_page)
1590 ev_view_size_request_dual_page (view, requisition);
1592 ev_view_size_request_single_page (view, requisition);
1596 ev_view_size_allocate (GtkWidget *widget,
1597 GtkAllocation *allocation)
1599 EvView *view = EV_VIEW (widget);
1601 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
1602 view->sizing_mode == EV_SIZING_BEST_FIT) {
1604 g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0);
1606 ev_view_size_request (widget, &widget->requisition);
1609 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
1610 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
1612 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
1613 view->pending_resize = FALSE;
1616 view_update_range_and_current_page (view);
1618 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
1622 ev_view_realize (GtkWidget *widget)
1624 EvView *view = EV_VIEW (widget);
1625 GdkWindowAttr attributes;
1627 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
1630 attributes.window_type = GDK_WINDOW_CHILD;
1631 attributes.wclass = GDK_INPUT_OUTPUT;
1632 attributes.visual = gtk_widget_get_visual (widget);
1633 attributes.colormap = gtk_widget_get_colormap (widget);
1635 attributes.x = widget->allocation.x;
1636 attributes.y = widget->allocation.y;
1637 attributes.width = widget->allocation.width;
1638 attributes.height = widget->allocation.height;
1639 attributes.event_mask = GDK_EXPOSURE_MASK |
1640 GDK_BUTTON_PRESS_MASK |
1641 GDK_BUTTON_RELEASE_MASK |
1643 GDK_KEY_PRESS_MASK |
1644 GDK_POINTER_MOTION_MASK |
1645 GDK_POINTER_MOTION_HINT_MASK |
1646 GDK_ENTER_NOTIFY_MASK |
1647 GDK_LEAVE_NOTIFY_MASK;
1649 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
1651 GDK_WA_X | GDK_WA_Y |
1654 gdk_window_set_user_data (widget->window, widget);
1655 widget->style = gtk_style_attach (widget->style, widget->window);
1657 if (view->presentation)
1658 gdk_window_set_background (widget->window, &widget->style->black);
1660 gdk_window_set_background (widget->window, &widget->style->mid [GTK_STATE_NORMAL]);
1664 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
1666 EvView *view = EV_VIEW (widget);
1669 state = event->state & gtk_accelerator_get_default_mod_mask ();
1671 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
1672 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1674 if (event->direction == GDK_SCROLL_UP ||
1675 event->direction == GDK_SCROLL_LEFT) {
1676 if (ev_view_can_zoom_in (view)) {
1677 ev_view_zoom_in (view);
1680 if (ev_view_can_zoom_out (view)) {
1681 ev_view_zoom_out (view);
1688 view->jump_to_find_result = FALSE;
1689 /* Shift+Wheel scrolls the in the perpendicular direction */
1690 if (state & GDK_SHIFT_MASK) {
1691 if (event->direction == GDK_SCROLL_UP)
1692 event->direction = GDK_SCROLL_LEFT;
1693 if (event->direction == GDK_SCROLL_LEFT)
1694 event->direction = GDK_SCROLL_UP;
1695 if (event->direction == GDK_SCROLL_DOWN)
1696 event->direction = GDK_SCROLL_RIGHT;
1697 if (event->direction == GDK_SCROLL_RIGHT)
1698 event->direction = GDK_SCROLL_DOWN;
1700 event->state &= ~GDK_SHIFT_MASK;
1701 state &= ~GDK_SHIFT_MASK;
1704 if (state == 0 && view->presentation) {
1705 switch (event->direction) {
1706 case GDK_SCROLL_DOWN:
1707 case GDK_SCROLL_RIGHT:
1708 ev_view_next_page (view);
1711 case GDK_SCROLL_LEFT:
1712 ev_view_previous_page (view);
1722 static EvViewSelection *
1723 find_selection_for_page (EvView *view,
1728 for (list = view->selection_info.selections; list != NULL; list = list->next) {
1729 EvViewSelection *selection;
1731 selection = (EvViewSelection *) list->data;
1733 if (selection->page == page)
1741 ev_view_expose_event (GtkWidget *widget,
1742 GdkEventExpose *event)
1744 EvView *view = EV_VIEW (widget);
1747 if (view->loading) {
1748 GdkRectangle area = {0};
1750 area.width = widget->allocation.width;
1751 area.height = widget->allocation.height;
1753 draw_loading_text (view,
1758 if (view->document == NULL)
1761 for (i = view->start_page; i <= view->end_page; i++) {
1762 GdkRectangle page_area;
1765 if (!get_page_extents (view, i, &page_area, &border))
1768 page_area.x -= view->scroll_x;
1769 page_area.y -= view->scroll_y;
1771 draw_one_page (view, i, &page_area, &border, &(event->area));
1773 if (EV_IS_DOCUMENT_FIND (view->document))
1774 highlight_find_results (view, i);
1781 ev_view_popup_menu (GtkWidget *widget)
1785 EvView *view = EV_VIEW (widget);
1787 gtk_widget_get_pointer (widget, &x, &y);
1788 link = ev_view_get_link_at_location (view, x, y);
1789 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
1794 ev_view_button_press_event (GtkWidget *widget,
1795 GdkEventButton *event)
1797 EvView *view = EV_VIEW (widget);
1800 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
1801 gtk_widget_grab_focus (widget);
1804 view->pressed_button = event->button;
1805 view->selection_info.in_drag = FALSE;
1807 switch (event->button) {
1809 if (view->selection_info.selections) {
1810 if (location_in_selected_text (view,
1811 event->x + view->scroll_x,
1812 event->y + view->scroll_y)) {
1813 view->selection_info.in_drag = TRUE;
1815 clear_selection (view);
1818 gtk_widget_queue_draw (widget);
1821 view->selection_info.start.x = event->x + view->scroll_x;
1822 view->selection_info.start.y = event->y + view->scroll_y;
1826 /* use root coordinates as reference point because
1827 * scrolling changes window relative coordinates */
1828 view->drag_info.start.x = event->x_root;
1829 view->drag_info.start.y = event->y_root;
1830 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
1831 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
1833 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1837 link = ev_view_get_link_at_location (view, event->x, event->y);
1838 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
1846 ev_view_drag_data_get (GtkWidget *widget,
1847 GdkDragContext *context,
1848 GtkSelectionData *selection_data,
1852 EvView *view = EV_VIEW (widget);
1854 if (view->selection_info.selections &&
1855 ev_document_can_get_text (view->document)) {
1858 text = get_selected_text (view);
1860 gtk_selection_data_set_text (selection_data, text, strlen (text));
1867 selection_update_idle_cb (EvView *view)
1869 compute_selections (view, &view->selection_info.start, &view->motion);
1870 view->selection_update_id = 0;
1875 selection_scroll_timeout_cb (EvView *view)
1877 gint x, y, shift = 0;
1878 GtkWidget *widget = GTK_WIDGET (view);
1880 gtk_widget_get_pointer (widget, &x, &y);
1882 if (y > widget->allocation.height) {
1883 shift = (y - widget->allocation.height) / 2;
1889 gtk_adjustment_set_value (view->vadjustment,
1890 CLAMP (view->vadjustment->value + shift,
1891 view->vadjustment->lower,
1892 view->vadjustment->upper -
1893 view->vadjustment->page_size));
1895 if (x > widget->allocation.width) {
1896 shift = (x - widget->allocation.width) / 2;
1902 gtk_adjustment_set_value (view->hadjustment,
1903 CLAMP (view->hadjustment->value + shift,
1904 view->hadjustment->lower,
1905 view->hadjustment->upper -
1906 view->hadjustment->page_size));
1912 ev_view_motion_notify_event (GtkWidget *widget,
1913 GdkEventMotion *event)
1915 EvView *view = EV_VIEW (widget);
1918 if (!view->document)
1921 if (event->is_hint || event->window != widget->window) {
1922 gtk_widget_get_pointer (widget, &x, &y);
1928 if (view->selection_info.in_drag) {
1929 if (gtk_drag_check_threshold (widget,
1930 view->selection_info.start.x,
1931 view->selection_info.start.y,
1933 GdkDragContext *context;
1934 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
1936 gtk_target_list_add_text_targets (target_list, 0);
1938 context = gtk_drag_begin (widget, target_list,
1940 1, (GdkEvent *)event);
1942 view->selection_info.in_drag = FALSE;
1944 gtk_target_list_unref (target_list);
1950 /* For the Evince 0.4.x release, we limit selection to un-rotated
1953 if (view->pressed_button == 1 && view->rotation == 0) {
1955 /* Schedule timeout to scroll during selection and additionally
1956 * scroll once to allow arbitrary speed. */
1957 if (!view->selection_scroll_id)
1958 view->selection_scroll_id = g_timeout_add (SCROLL_TIME, (GSourceFunc)selection_scroll_timeout_cb, view);
1960 selection_scroll_timeout_cb (view);
1962 view->selection_info.in_selection = TRUE;
1963 view->motion.x = x + view->scroll_x;
1964 view->motion.y = y + view->scroll_y;
1966 /* Queue an idle to handle the motion. We do this because
1967 * handling any selection events in the motion could be slower
1968 * than new motion events reach us. We always put it in the
1969 * idle to make sure we catch up and don't visibly lag the
1971 if (!view->selection_update_id)
1972 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
1975 } else if (view->pressed_button == 2) {
1976 if (!view->drag_info.in_drag) {
1979 start = gtk_drag_check_threshold (widget,
1980 view->drag_info.start.x,
1981 view->drag_info.start.y,
1984 view->drag_info.in_drag = start;
1987 if (view->drag_info.in_drag) {
1989 gdouble dhadj_value, dvadj_value;
1991 dx = event->x_root - view->drag_info.start.x;
1992 dy = event->y_root - view->drag_info.start.y;
1994 dhadj_value = view->hadjustment->page_size *
1995 (gdouble)dx / widget->allocation.width;
1996 dvadj_value = view->vadjustment->page_size *
1997 (gdouble)dy / widget->allocation.height;
1999 /* clamp scrolling to visible area */
2000 gtk_adjustment_set_value (view->hadjustment,
2001 MIN(view->drag_info.hadj - dhadj_value,
2002 view->hadjustment->upper -
2003 view->hadjustment->page_size));
2004 gtk_adjustment_set_value (view->vadjustment,
2005 MIN(view->drag_info.vadj - dvadj_value,
2006 view->vadjustment->upper -
2007 view->vadjustment->page_size));
2011 /* For the Evince 0.4.x release, we limit links to un-rotated documents
2014 } else if (view->pressed_button <= 0 &&
2015 view->rotation == 0) {
2016 handle_link_over_xy (view, x, y);
2024 ev_view_button_release_event (GtkWidget *widget,
2025 GdkEventButton *event)
2027 EvView *view = EV_VIEW (widget);
2030 if (view->pressed_button == 2) {
2031 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
2034 if (view->document) {
2035 link = ev_view_get_link_at_location (view, event->x, event->y);
2040 view->pressed_button = -1;
2041 view->drag_info.in_drag = FALSE;
2043 if (view->selection_scroll_id) {
2044 g_source_remove (view->selection_scroll_id);
2045 view->selection_scroll_id = 0;
2047 if (view->selection_update_id) {
2048 g_source_remove (view->selection_update_id);
2049 view->selection_update_id = 0;
2052 if (view->selection_info.selections) {
2053 ev_view_update_primary_selection (view);
2055 if (view->selection_info.in_drag) {
2056 clear_selection (view);
2057 gtk_widget_queue_draw (widget);
2060 view->selection_info.in_drag = FALSE;
2062 ev_view_handle_link (view, link);
2063 } else if (view->presentation) {
2064 switch (event->button) {
2066 ev_view_next_page (view);
2069 ev_view_previous_page (view);
2078 ev_view_focus_in (GtkWidget *widget,
2079 GdkEventFocus *event)
2081 if (EV_VIEW (widget)->pixbuf_cache)
2082 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
2083 gtk_widget_queue_draw (widget);
2089 ev_view_focus_out (GtkWidget *widget,
2090 GdkEventFocus *event)
2092 if (EV_VIEW (widget)->pixbuf_cache)
2093 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
2094 gtk_widget_queue_draw (widget);
2100 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
2102 EvView *view = EV_VIEW (widget);
2104 ev_view_set_status (view, NULL);
2106 if (view->cursor == EV_VIEW_CURSOR_LINK ||
2107 view->cursor == EV_VIEW_CURSOR_IBEAM)
2108 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
2110 if (view->link_tooltip) {
2111 view->hovered_link = NULL;
2112 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
2119 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
2121 EvView *view = EV_VIEW (widget);
2123 handle_link_over_xy (view, event->x, event->y);
2129 ev_view_style_set (GtkWidget *widget,
2130 GtkStyle *old_style)
2132 if (EV_VIEW (widget)->pixbuf_cache)
2133 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
2135 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
2141 ev_gdk_color_to_rgb (const GdkColor *color)
2144 result = (0xff0000 | (color->red & 0xff00));
2146 result |= ((color->green & 0xff00) | (color->blue >> 8));
2151 draw_rubberband (GtkWidget *widget, GdkWindow *window,
2152 const GdkRectangle *rect, guchar alpha)
2156 GdkColor *fill_color_gdk;
2159 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
2160 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
2162 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
2163 rect->width, rect->height);
2164 gdk_pixbuf_fill (pixbuf, fill_color);
2166 gdk_draw_pixbuf (window, NULL, pixbuf,
2168 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
2169 rect->width, rect->height,
2170 GDK_RGB_DITHER_NONE,
2173 g_object_unref (pixbuf);
2175 gc = gdk_gc_new (window);
2176 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
2177 gdk_draw_rectangle (window, gc, FALSE,
2178 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
2181 g_object_unref (gc);
2183 gdk_color_free (fill_color_gdk);
2188 highlight_find_results (EvView *view, int page)
2190 EvDocumentFind *find;
2193 g_return_if_fail (EV_IS_DOCUMENT_FIND (view->document));
2195 find = EV_DOCUMENT_FIND (view->document);
2197 results = ev_document_find_get_n_results (find, page);
2199 for (i = 0; i < results; i++) {
2200 EvRectangle rectangle;
2201 GdkRectangle view_rectangle;
2204 if (i == view->find_result && page == view->current_page) {
2210 ev_document_find_get_result (find, page, i, &rectangle);
2211 doc_rect_to_view_rect (view, page, &rectangle, &view_rectangle);
2212 draw_rubberband (GTK_WIDGET (view), GTK_WIDGET(view)->window,
2213 &view_rectangle, alpha);
2218 draw_loading_text (EvView *view,
2219 GdkRectangle *page_area,
2220 GdkRectangle *expose_area)
2222 PangoLayout *layout;
2223 PangoFontDescription *font_desc;
2224 PangoRectangle logical_rect;
2228 const char *loading_text = _("Loading...");
2230 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
2232 font_desc = pango_font_description_new ();
2235 /* We set the font to be 10 points, get the size, and scale appropriately */
2236 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
2237 pango_layout_set_font_description (layout, font_desc);
2238 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2240 /* Make sure we fit the middle of the page */
2241 target_width = MAX (page_area->width / 2, 1);
2242 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
2243 pango_font_description_set_size (font_desc, (int)real_scale);
2244 pango_layout_set_font_description (layout, font_desc);
2245 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2247 gtk_paint_layout (GTK_WIDGET (view)->style,
2248 GTK_WIDGET (view)->window,
2249 GTK_WIDGET_STATE (view),
2254 page_area->x + (target_width/2),
2255 page_area->y + (page_area->height - logical_rect.height) / 2,
2258 pango_font_description_free (font_desc);
2259 g_object_unref (layout);
2263 draw_one_page (EvView *view,
2265 GdkRectangle *page_area,
2267 GdkRectangle *expose_area)
2270 GdkPixbuf *current_pixbuf;
2271 GdkRectangle overlap;
2272 GdkRectangle real_page_area;
2273 EvViewSelection *selection;
2276 g_assert (view->document);
2278 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
2281 current_page = ev_page_cache_get_current_page (view->page_cache);
2282 selection = find_selection_for_page (view, page);
2283 ev_page_cache_get_size (view->page_cache,
2284 page, view->rotation,
2287 /* Render the document itself */
2288 real_page_area = *page_area;
2290 real_page_area.x += border->left;
2291 real_page_area.y += border->top;
2292 real_page_area.width -= (border->left + border->right);
2293 real_page_area.height -= (border->top + border->bottom);
2295 ev_document_misc_paint_one_page (GTK_WIDGET(view)->window,
2298 page == current_page);
2300 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
2301 GdkPixbuf *selection_pixbuf = NULL;
2302 GdkPixbuf *scaled_image;
2303 GdkPixbuf *scaled_selection;
2305 current_pixbuf = ev_pixbuf_cache_get_pixbuf (view->pixbuf_cache, page);
2307 /* Get the selection pixbuf iff we have something to draw */
2308 if (current_pixbuf && view->selection_mode == EV_VIEW_SELECTION_TEXT && selection)
2309 selection_pixbuf = ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
2314 if (current_pixbuf == NULL)
2315 scaled_image = NULL;
2316 else if (width == gdk_pixbuf_get_width (current_pixbuf) &&
2317 height == gdk_pixbuf_get_height (current_pixbuf))
2318 scaled_image = g_object_ref (current_pixbuf);
2320 /* FIXME: We don't want to scale the whole area, just the right
2322 scaled_image = gdk_pixbuf_scale_simple (current_pixbuf,
2324 GDK_INTERP_NEAREST);
2326 if (selection_pixbuf == NULL)
2327 scaled_selection = NULL;
2328 else if (width == gdk_pixbuf_get_width (selection_pixbuf) &&
2329 height == gdk_pixbuf_get_height (selection_pixbuf))
2330 scaled_selection = g_object_ref (selection_pixbuf);
2332 /* FIXME: We don't want to scale the whole area, just the right
2334 scaled_selection = gdk_pixbuf_scale_simple (selection_pixbuf,
2336 GDK_INTERP_NEAREST);
2339 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2340 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2342 overlap.x - real_page_area.x,
2343 overlap.y - real_page_area.y,
2344 overlap.x, overlap.y,
2345 overlap.width, overlap.height,
2346 GDK_RGB_DITHER_NORMAL,
2348 g_object_unref (scaled_image);
2350 draw_loading_text (view,
2355 if (scaled_selection) {
2356 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2357 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2359 overlap.x - real_page_area.x,
2360 overlap.y - real_page_area.y,
2361 overlap.x, overlap.y,
2362 overlap.width, overlap.height,
2363 GDK_RGB_DITHER_NORMAL,
2365 g_object_unref (scaled_selection);
2370 /*** GObject functions ***/
2373 ev_view_finalize (GObject *object)
2375 EvView *view = EV_VIEW (object);
2379 g_free (view->status);
2380 g_free (view->find_status);
2382 clear_selection (view);
2384 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
2388 ev_view_destroy (GtkObject *object)
2390 EvView *view = EV_VIEW (object);
2392 if (view->document) {
2393 g_object_unref (view->document);
2394 view->document = NULL;
2397 if (view->pixbuf_cache) {
2398 g_object_unref (view->pixbuf_cache);
2399 view->pixbuf_cache = NULL;
2402 if (view->link_tooltip) {
2403 gtk_widget_destroy (view->link_tooltip);
2406 if (view->selection_scroll_id) {
2407 g_source_remove (view->selection_scroll_id);
2408 view->selection_scroll_id = 0;
2411 if (view->selection_update_id) {
2412 g_source_remove (view->selection_update_id);
2413 view->selection_update_id = 0;
2416 ev_view_set_scroll_adjustments (view, NULL, NULL);
2418 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
2422 ev_view_set_property (GObject *object,
2424 const GValue *value,
2427 EvView *view = EV_VIEW (object);
2430 case PROP_CONTINUOUS:
2431 ev_view_set_continuous (view, g_value_get_boolean (value));
2433 case PROP_DUAL_PAGE:
2434 ev_view_set_dual_page (view, g_value_get_boolean (value));
2436 case PROP_FULLSCREEN:
2437 ev_view_set_fullscreen (view, g_value_get_boolean (value));
2439 case PROP_PRESENTATION:
2440 ev_view_set_presentation (view, g_value_get_boolean (value));
2442 case PROP_SIZING_MODE:
2443 ev_view_set_sizing_mode (view, g_value_get_enum (value));
2446 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
2449 ev_view_set_rotation (view, g_value_get_int (value));
2452 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2457 ev_view_get_accessible (GtkWidget *widget)
2459 static gboolean first_time = TRUE;
2462 AtkObjectFactory *factory;
2463 AtkRegistry *registry;
2465 GType derived_atk_type;
2468 * Figure out whether accessibility is enabled by looking at the
2469 * type of the accessible object which would be created for
2470 * the parent type of EvView.
2472 derived_type = g_type_parent (EV_TYPE_VIEW);
2474 registry = atk_get_default_registry ();
2475 factory = atk_registry_get_factory (registry,
2477 derived_atk_type = atk_object_factory_get_accessible_type (factory);
2478 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
2479 atk_registry_set_factory_type (registry,
2481 ev_view_accessible_factory_get_type ());
2484 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
2488 ev_view_get_property (GObject *object,
2493 EvView *view = EV_VIEW (object);
2497 g_value_set_string (value, view->status);
2499 case PROP_FIND_STATUS:
2500 g_value_set_string (value, view->status);
2502 case PROP_CONTINUOUS:
2503 g_value_set_boolean (value, view->continuous);
2505 case PROP_DUAL_PAGE:
2506 g_value_set_boolean (value, view->dual_page);
2508 case PROP_FULLSCREEN:
2509 g_value_set_boolean (value, view->fullscreen);
2511 case PROP_PRESENTATION:
2512 g_value_set_boolean (value, view->presentation);
2514 case PROP_SIZING_MODE:
2515 g_value_set_enum (value, view->sizing_mode);
2518 g_value_set_double (value, view->scale);
2521 g_value_set_int (value, view->rotation);
2523 case PROP_HAS_SELECTION:
2524 g_value_set_boolean (value,
2525 view->selection_info.selections != NULL);
2528 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2533 ev_view_class_init (EvViewClass *class)
2535 GObjectClass *object_class = G_OBJECT_CLASS (class);
2536 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
2537 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
2538 GtkBindingSet *binding_set;
2540 object_class->finalize = ev_view_finalize;
2541 object_class->set_property = ev_view_set_property;
2542 object_class->get_property = ev_view_get_property;
2544 widget_class->expose_event = ev_view_expose_event;
2545 widget_class->button_press_event = ev_view_button_press_event;
2546 widget_class->motion_notify_event = ev_view_motion_notify_event;
2547 widget_class->button_release_event = ev_view_button_release_event;
2548 widget_class->focus_in_event = ev_view_focus_in;
2549 widget_class->focus_out_event = ev_view_focus_out;
2550 widget_class->get_accessible = ev_view_get_accessible;
2551 widget_class->size_request = ev_view_size_request;
2552 widget_class->size_allocate = ev_view_size_allocate;
2553 widget_class->realize = ev_view_realize;
2554 widget_class->scroll_event = ev_view_scroll_event;
2555 widget_class->enter_notify_event = ev_view_enter_notify_event;
2556 widget_class->leave_notify_event = ev_view_leave_notify_event;
2557 widget_class->style_set = ev_view_style_set;
2558 widget_class->drag_data_get = ev_view_drag_data_get;
2559 widget_class->popup_menu = ev_view_popup_menu;
2560 gtk_object_class->destroy = ev_view_destroy;
2562 class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
2563 class->binding_activated = ev_view_scroll;
2565 widget_class->set_scroll_adjustments_signal =
2566 g_signal_new ("set-scroll-adjustments",
2567 G_OBJECT_CLASS_TYPE (object_class),
2568 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2569 G_STRUCT_OFFSET (EvViewClass, set_scroll_adjustments),
2571 ev_marshal_VOID__OBJECT_OBJECT,
2573 GTK_TYPE_ADJUSTMENT,
2574 GTK_TYPE_ADJUSTMENT);
2576 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
2577 G_TYPE_FROM_CLASS (object_class),
2578 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2579 G_STRUCT_OFFSET (EvViewClass, binding_activated),
2581 ev_marshal_VOID__ENUM_BOOLEAN,
2583 GTK_TYPE_SCROLL_TYPE,
2586 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
2587 G_TYPE_FROM_CLASS (object_class),
2588 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2589 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
2591 ev_marshal_VOID__VOID,
2592 G_TYPE_NONE, 0, G_TYPE_NONE);
2593 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
2594 G_TYPE_FROM_CLASS (object_class),
2595 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2596 G_STRUCT_OFFSET (EvViewClass, external_link),
2598 g_cclosure_marshal_VOID__OBJECT,
2601 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
2602 G_TYPE_FROM_CLASS (object_class),
2603 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2604 G_STRUCT_OFFSET (EvViewClass, popup_menu),
2606 g_cclosure_marshal_VOID__OBJECT,
2610 g_object_class_install_property (object_class,
2612 g_param_spec_string ("status",
2614 "The status message",
2618 g_object_class_install_property (object_class,
2620 g_param_spec_string ("find-status",
2621 "Find Status Message",
2622 "The find status message",
2626 g_object_class_install_property (object_class,
2628 g_param_spec_boolean ("continuous",
2630 "Continuous scrolling mode",
2632 G_PARAM_READWRITE));
2634 g_object_class_install_property (object_class,
2636 g_param_spec_boolean ("dual-page",
2638 "Two pages visible at once",
2640 G_PARAM_READWRITE));
2641 g_object_class_install_property (object_class,
2643 g_param_spec_boolean ("fullscreen",
2645 "Draw page in a fullscreen fashion",
2647 G_PARAM_READWRITE));
2648 g_object_class_install_property (object_class,
2650 g_param_spec_boolean ("presentation",
2652 "Draw page in presentation mode",
2654 G_PARAM_READWRITE));
2656 g_object_class_install_property (object_class,
2658 g_param_spec_enum ("sizing-mode",
2661 EV_TYPE_SIZING_MODE,
2662 EV_SIZING_FIT_WIDTH,
2663 G_PARAM_READWRITE));
2665 g_object_class_install_property (object_class,
2667 g_param_spec_double ("zoom",
2673 G_PARAM_READWRITE));
2674 g_object_class_install_property (object_class,
2676 g_param_spec_double ("rotation",
2682 G_PARAM_READWRITE));
2683 g_object_class_install_property (object_class,
2685 g_param_spec_boolean ("has-selection",
2687 "The view has selections",
2691 binding_set = gtk_binding_set_by_class (class);
2693 add_scroll_binding_keypad (binding_set, GDK_Left, 0, EV_SCROLL_STEP_BACKWARD, TRUE);
2694 add_scroll_binding_keypad (binding_set, GDK_Right, 0, EV_SCROLL_STEP_FORWARD, TRUE);
2695 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, TRUE);
2696 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, TRUE);
2697 add_scroll_binding_keypad (binding_set, GDK_Up, 0, EV_SCROLL_STEP_BACKWARD, FALSE);
2698 add_scroll_binding_keypad (binding_set, GDK_Down, 0, EV_SCROLL_STEP_FORWARD, FALSE);
2699 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, FALSE);
2700 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, FALSE);
2704 ev_view_init (EvView *view)
2706 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
2710 view->current_page = 0;
2711 view->pressed_button = -1;
2712 view->cursor = EV_VIEW_CURSOR_NORMAL;
2713 view->drag_info.in_drag = FALSE;
2714 view->selection_info.selections = NULL;
2715 view->selection_info.in_selection = FALSE;
2716 view->selection_info.in_drag = FALSE;
2717 view->selection_mode = EV_VIEW_SELECTION_TEXT;
2718 view->continuous = TRUE;
2719 view->dual_page = FALSE;
2720 view->presentation = FALSE;
2721 view->fullscreen = FALSE;
2722 view->sizing_mode = EV_SIZING_FIT_WIDTH;
2723 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2724 view->jump_to_find_result = TRUE;
2730 find_changed_cb (EvDocument *document, int page, EvView *view)
2735 percent = ev_document_find_get_progress
2736 (EV_DOCUMENT_FIND (view->document));
2737 n_pages = ev_page_cache_get_n_pages (view->page_cache);
2739 if (view->jump_to_find_result == TRUE) {
2740 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
2741 jump_to_find_result (view);
2743 update_find_status_message (view, percent * n_pages >= n_pages - 1 );
2744 if (view->current_page == page)
2745 gtk_widget_queue_draw (GTK_WIDGET (view));
2749 job_finished_cb (EvPixbufCache *pixbuf_cache,
2752 gtk_widget_queue_draw (GTK_WIDGET (view));
2756 page_changed_cb (EvPageCache *page_cache,
2760 if (view->current_page != new_page) {
2761 view->current_page = new_page;
2762 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2763 gtk_widget_queue_resize (GTK_WIDGET (view));
2765 gtk_widget_queue_draw (GTK_WIDGET (view));
2768 if (EV_IS_DOCUMENT_FIND (view->document)) {
2769 view->find_result = 0;
2770 update_find_status_message (view, TRUE);
2774 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
2779 if (! GTK_WIDGET_REALIZED (view))
2782 if (view->hadjustment) {
2783 dx = view->scroll_x - (int) view->hadjustment->value;
2784 view->scroll_x = (int) view->hadjustment->value;
2789 if (view->vadjustment) {
2790 dy = view->scroll_y - (int) view->vadjustment->value;
2791 view->scroll_y = (int) view->vadjustment->value;
2797 if (view->pending_resize)
2798 gtk_widget_queue_draw (GTK_WIDGET (view));
2800 gdk_window_scroll (GTK_WIDGET (view)->window, dx, dy);
2804 view_update_range_and_current_page (view);
2812 view = g_object_new (EV_TYPE_VIEW, NULL);
2818 setup_caches (EvView *view)
2820 view->page_cache = ev_page_cache_get (view->document);
2821 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
2822 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
2823 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
2827 clear_caches (EvView *view)
2829 if (view->pixbuf_cache) {
2830 g_object_unref (view->pixbuf_cache);
2831 view->pixbuf_cache = NULL;
2834 if (view->page_cache) {
2835 view->page_cache = NULL;
2840 ev_view_set_loading (EvView *view,
2843 view->loading = loading;
2844 gtk_widget_queue_draw (GTK_WIDGET (view));
2848 ev_view_set_document (EvView *view,
2849 EvDocument *document)
2851 g_return_if_fail (EV_IS_VIEW (view));
2853 view->loading = FALSE;
2855 if (document != view->document) {
2856 clear_caches (view);
2858 if (view->document) {
2859 g_signal_handlers_disconnect_by_func (view->document,
2862 g_object_unref (view->document);
2863 view->page_cache = NULL;
2867 view->document = document;
2868 view->find_result = 0;
2870 if (view->document) {
2871 g_object_ref (view->document);
2872 if (EV_IS_DOCUMENT_FIND (view->document)) {
2873 g_signal_connect (view->document,
2875 G_CALLBACK (find_changed_cb),
2879 setup_caches (view);
2882 gtk_widget_queue_resize (GTK_WIDGET (view));
2886 /*** Zoom and sizing mode ***/
2888 #define EPSILON 0.0000001
2890 ev_view_set_zoom (EvView *view,
2897 scale = view->scale * factor;
2901 scale = CLAMP (scale, MIN_SCALE, MAX_SCALE);
2903 if (ABS (view->scale - scale) < EPSILON)
2906 view->scale = scale;
2907 view->pending_resize = TRUE;
2909 gtk_widget_queue_resize (GTK_WIDGET (view));
2911 g_object_notify (G_OBJECT (view), "zoom");
2915 ev_view_get_zoom (EvView *view)
2921 ev_view_get_continuous (EvView *view)
2923 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2925 return view->continuous;
2929 ev_view_set_continuous (EvView *view,
2930 gboolean continuous)
2932 g_return_if_fail (EV_IS_VIEW (view));
2934 continuous = continuous != FALSE;
2936 if (view->continuous != continuous) {
2937 view->continuous = continuous;
2938 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2939 gtk_widget_queue_resize (GTK_WIDGET (view));
2942 g_object_notify (G_OBJECT (view), "continuous");
2946 ev_view_get_dual_page (EvView *view)
2948 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2950 return view->dual_page;
2954 ev_view_set_dual_page (EvView *view,
2957 g_return_if_fail (EV_IS_VIEW (view));
2959 dual_page = dual_page != FALSE;
2961 if (view->dual_page == dual_page)
2964 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2965 view->dual_page = dual_page;
2966 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
2967 * preload_cache_size to be 2 if dual_page is set.
2969 gtk_widget_queue_resize (GTK_WIDGET (view));
2971 g_object_notify (G_OBJECT (view), "dual-page");
2975 ev_view_set_fullscreen (EvView *view,
2976 gboolean fullscreen)
2978 g_return_if_fail (EV_IS_VIEW (view));
2980 fullscreen = fullscreen != FALSE;
2982 if (view->fullscreen == fullscreen)
2985 view->fullscreen = fullscreen;
2986 gtk_widget_queue_resize (GTK_WIDGET (view));
2988 g_object_notify (G_OBJECT (view), "fullscreen");
2992 ev_view_get_fullscreen (EvView *view)
2994 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2996 return view->fullscreen;
3000 ev_view_set_presentation (EvView *view,
3001 gboolean presentation)
3003 g_return_if_fail (EV_IS_VIEW (view));
3005 presentation = presentation != FALSE;
3007 if (view->presentation == presentation)
3010 view->presentation = presentation;
3011 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
3012 gtk_widget_queue_resize (GTK_WIDGET (view));
3014 if (GTK_WIDGET_REALIZED (view)) {
3015 if (view->presentation)
3016 gdk_window_set_background (GTK_WIDGET(view)->window,
3017 >K_WIDGET (view)->style->black);
3019 gdk_window_set_background (GTK_WIDGET(view)->window,
3020 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
3024 g_object_notify (G_OBJECT (view), "presentation");
3028 ev_view_get_presentation (EvView *view)
3030 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3032 return view->presentation;
3036 ev_view_set_sizing_mode (EvView *view,
3037 EvSizingMode sizing_mode)
3039 g_return_if_fail (EV_IS_VIEW (view));
3041 if (view->sizing_mode == sizing_mode)
3044 view->sizing_mode = sizing_mode;
3045 gtk_widget_queue_resize (GTK_WIDGET (view));
3047 g_object_notify (G_OBJECT (view), "sizing-mode");
3051 ev_view_get_sizing_mode (EvView *view)
3053 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
3055 return view->sizing_mode;
3059 ev_view_can_zoom_in (EvView *view)
3061 return view->scale * ZOOM_IN_FACTOR <= MAX_SCALE;
3065 ev_view_can_zoom_out (EvView *view)
3067 return view->scale * ZOOM_OUT_FACTOR >= MIN_SCALE;
3071 ev_view_zoom_in (EvView *view)
3073 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
3075 view->pending_scroll = SCROLL_TO_CENTER;
3076 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
3080 ev_view_zoom_out (EvView *view)
3082 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
3084 view->pending_scroll = SCROLL_TO_CENTER;
3085 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
3089 ev_view_rotate_right (EvView *view)
3091 int rotation = view->rotation + 90;
3093 if (rotation >= 360) {
3097 ev_view_set_rotation (view, rotation);
3101 ev_view_rotate_left (EvView *view)
3103 int rotation = view->rotation - 90;
3109 ev_view_set_rotation (view, rotation);
3113 ev_view_set_rotation (EvView *view, int rotation)
3115 view->rotation = rotation;
3117 if (view->pixbuf_cache) {
3118 ev_pixbuf_cache_clear (view->pixbuf_cache);
3119 gtk_widget_queue_resize (GTK_WIDGET (view));
3123 clear_selection (view);
3125 g_object_notify (G_OBJECT (view), "rotation");
3129 ev_view_get_rotation (EvView *view)
3131 return view->rotation;
3135 zoom_for_size_fit_width (int doc_width,
3143 scale = (double)target_width / doc_width;
3145 if (doc_height * scale > target_height)
3146 scale = (double) (target_width - vsb_width) / doc_width;
3152 zoom_for_size_fit_height (int doc_width,
3160 scale = (double)target_height / doc_height;
3162 if (doc_width * scale > target_width)
3163 scale = (double) (target_height - vsb_height) / doc_height;
3169 zoom_for_size_best_fit (int doc_width,
3179 w_scale = (double)target_width / doc_width;
3180 h_scale = (double)target_height / doc_height;
3182 if (doc_height * w_scale > target_height)
3183 w_scale = (double) (target_width - vsb_width) / doc_width;
3184 if (doc_width * h_scale > target_width)
3185 h_scale = (double) (target_height - hsb_width) / doc_height;
3187 return MIN (w_scale, h_scale);
3192 ev_view_zoom_for_size_presentation (EvView *view,
3196 int doc_width, doc_height;
3199 ev_page_cache_get_size (view->page_cache,
3205 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
3206 ev_view_set_zoom (view, scale, FALSE);
3210 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
3216 int doc_width, doc_height;
3220 ev_page_cache_get_max_width (view->page_cache,
3224 ev_page_cache_get_max_height (view->page_cache,
3228 compute_border (view, doc_width, doc_height, &border);
3230 doc_width = doc_width * 2;
3231 width -= (2 * (border.left + border.right) + 3 * view->spacing);
3232 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3234 /* FIXME: We really need to calculate the overall height here, not the
3235 * page height. We assume there's always a vertical scrollbar for
3236 * now. We need to fix this. */
3237 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3238 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3239 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3240 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3242 g_assert_not_reached ();
3244 ev_view_set_zoom (view, scale, FALSE);
3248 ev_view_zoom_for_size_continuous (EvView *view,
3254 int doc_width, doc_height;
3258 ev_page_cache_get_max_width (view->page_cache,
3262 ev_page_cache_get_max_height (view->page_cache,
3266 compute_border (view, doc_width, doc_height, &border);
3268 width -= (border.left + border.right + 2 * view->spacing);
3269 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3271 /* FIXME: We really need to calculate the overall height here, not the
3272 * page height. We assume there's always a vertical scrollbar for
3273 * now. We need to fix this. */
3274 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3275 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3276 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3277 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3279 g_assert_not_reached ();
3281 ev_view_set_zoom (view, scale, FALSE);
3285 ev_view_zoom_for_size_dual_page (EvView *view,
3292 gint doc_width, doc_height;
3296 other_page = view->current_page ^ 1;
3298 /* Find the largest of the two. */
3299 ev_page_cache_get_size (view->page_cache,
3303 &doc_width, &doc_height);
3305 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
3306 gint width_2, height_2;
3307 ev_page_cache_get_size (view->page_cache,
3311 &width_2, &height_2);
3312 if (width_2 > doc_width)
3313 doc_width = width_2;
3314 if (height_2 > doc_height)
3315 doc_height = height_2;
3317 compute_border (view, doc_width, doc_height, &border);
3319 doc_width = doc_width * 2;
3320 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
3321 height -= (border.top + border.bottom + 2 * view->spacing);
3323 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3324 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3325 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3326 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3328 g_assert_not_reached ();
3330 ev_view_set_zoom (view, scale, FALSE);
3334 ev_view_zoom_for_size_single_page (EvView *view,
3340 int doc_width, doc_height;
3344 ev_page_cache_get_size (view->page_cache,
3350 /* Get an approximate border */
3351 compute_border (view, width, height, &border);
3353 width -= (border.left + border.right + 2 * view->spacing);
3354 height -= (border.top + border.bottom + 2 * view->spacing);
3356 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3357 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3358 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3359 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3361 g_assert_not_reached ();
3363 ev_view_set_zoom (view, scale, FALSE);
3367 ev_view_set_zoom_for_size (EvView *view,
3373 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
3374 view->sizing_mode == EV_SIZING_BEST_FIT);
3375 g_return_if_fail (width >= 0);
3376 g_return_if_fail (height >= 0);
3378 if (view->document == NULL)
3381 if (view->presentation)
3382 ev_view_zoom_for_size_presentation (view, width, height);
3383 else if (view->continuous && view->dual_page)
3384 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
3385 else if (view->continuous)
3386 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
3387 else if (view->dual_page)
3388 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
3390 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
3393 /*** Status text messages ***/
3396 ev_view_get_status (EvView *view)
3398 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3400 return view->status;
3404 ev_view_set_status (EvView *view, const char *message)
3406 g_return_if_fail (EV_IS_VIEW (view));
3408 if (message != view->status) {
3409 g_free (view->status);
3410 view->status = g_strdup (message);
3411 g_object_notify (G_OBJECT (view), "status");
3416 update_find_status_message (EvView *view, gboolean this_page)
3423 results = ev_document_find_get_n_results
3424 (EV_DOCUMENT_FIND (view->document),
3425 view->current_page);
3426 /* TRANS: Sometimes this could be better translated as
3427 "%d hit(s) on this page". Therefore this string
3428 contains plural cases. */
3429 message = g_strdup_printf (ngettext ("%d found on this page",
3430 "%d found on this page",
3436 percent = ev_document_find_get_progress
3437 (EV_DOCUMENT_FIND (view->document));
3438 message = g_strdup_printf (_("%3d%% remaining to search"),
3439 (int) ((1.0 - percent) * 100));
3442 ev_view_set_find_status (view, message);
3447 ev_view_get_find_status (EvView *view)
3449 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3451 return view->find_status;
3455 ev_view_set_find_status (EvView *view, const char *message)
3457 g_return_if_fail (EV_IS_VIEW (view));
3459 g_free (view->find_status);
3460 view->find_status = g_strdup (message);
3461 g_object_notify (G_OBJECT (view), "find-status");
3467 jump_to_find_result (EvView *view)
3469 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3471 GdkRectangle view_rect;
3473 int page = view->current_page;
3475 n_results = ev_document_find_get_n_results (find, page);
3477 if (n_results > 0 && view->find_result < n_results) {
3478 ev_document_find_get_result
3479 (find, page, view->find_result, &rect);
3481 doc_rect_to_view_rect (view, page, &rect, &view_rect);
3482 ensure_rectangle_is_visible (view, &view_rect);
3488 * @view: #EvView instance
3489 * @direction: Direction to look
3490 * @shift: Shift from current page
3492 * Jumps to the first page that has occurences of searched word.
3493 * Uses a direction where to look and a shift from current page.
3497 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
3501 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3503 for (i = 0; i < n_pages; i++) {
3507 if (direction == EV_VIEW_FIND_NEXT)
3508 page = view->current_page + i;
3510 page = view->current_page - i;
3513 if (page >= n_pages) {
3514 page = page - n_pages;
3517 page = page + n_pages;
3519 has_results = ev_document_find_page_has_results
3520 (EV_DOCUMENT_FIND (view->document), page);
3521 if (has_results == -1) {
3523 } else if (has_results == 1) {
3524 ev_page_cache_set_current_page (view->page_cache, page);
3531 ev_view_can_find_next (EvView *view)
3533 if (EV_IS_DOCUMENT_FIND (view->document)) {
3534 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3537 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3538 for (i = 0; i < n_pages; i++) {
3539 if (ev_document_find_get_n_results (find, i) > 0) {
3549 ev_view_find_next (EvView *view)
3551 int n_results, n_pages;
3552 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3554 n_results = ev_document_find_get_n_results (find, view->current_page);
3556 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3558 view->find_result++;
3560 if (view->find_result >= n_results) {
3562 view->find_result = 0;
3563 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
3564 jump_to_find_result (view);
3566 jump_to_find_result (view);
3567 gtk_widget_queue_draw (GTK_WIDGET (view));
3572 ev_view_can_find_previous (EvView *view)
3574 if (EV_IS_DOCUMENT_FIND (view->document)) {
3575 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3578 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3579 for (i = n_pages - 1; i >= 0; i--) {
3580 if (ev_document_find_get_n_results (find, i) > 0) {
3589 ev_view_find_previous (EvView *view)
3591 int n_results, n_pages;
3592 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3593 EvPageCache *page_cache;
3595 page_cache = ev_page_cache_get (view->document);
3597 n_results = ev_document_find_get_n_results (find, view->current_page);
3599 n_pages = ev_page_cache_get_n_pages (page_cache);
3601 view->find_result--;
3603 if (view->find_result < 0) {
3605 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
3606 view->find_result = ev_document_find_get_n_results (find, view->current_page) - 1;
3607 jump_to_find_result (view);
3609 jump_to_find_result (view);
3610 gtk_widget_queue_draw (GTK_WIDGET (view));
3614 void ev_view_search_changed (EvView *view)
3616 /* search string has changed, focus on new search result */
3617 view->jump_to_find_result = TRUE;
3620 /*** Selections ***/
3622 /* compute_new_selection_rect/text calculates the area currently selected by
3623 * view_rect. each handles a different mode;
3626 compute_new_selection_rect (EvView *view,
3630 GdkRectangle view_rect;
3634 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
3636 view_rect.x = MIN (start->x, stop->x);
3637 view_rect.y = MIN (start->y, stop->y);
3638 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
3639 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
3641 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3643 for (i = 0; i < n_pages; i++) {
3644 GdkRectangle page_area;
3647 if (get_page_extents (view, i, &page_area, &border)) {
3648 GdkRectangle overlap;
3650 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
3651 EvViewSelection *selection;
3653 selection = g_new0 (EvViewSelection, 1);
3654 selection->page = i;
3655 view_rect_to_doc_rect (view, &overlap, &page_area,
3656 &(selection->rect));
3658 list = g_list_append (list, selection);
3667 gdk_rectangle_point_in (GdkRectangle *rectangle,
3670 return rectangle->x <= point->x &&
3671 rectangle->y <= point->y &&
3672 point->x < rectangle->x + rectangle->width &&
3673 point->y < rectangle->y + rectangle->height;
3677 compute_new_selection_text (EvView *view,
3681 int n_pages, i, first, last;
3683 EvViewSelection *selection;
3685 int start_page, end_page;
3687 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
3689 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3691 /* First figure out the range of pages the selection
3695 if (view->continuous) {
3698 } else if (view->dual_page) {
3699 start_page = view->start_page;
3700 end_page = view->end_page + 1;
3702 start_page = view->current_page;
3703 end_page = view->current_page + 1;
3706 for (i = start_page; i < end_page; i++) {
3707 GdkRectangle page_area;
3710 get_page_extents (view, i, &page_area, &border);
3711 if (gdk_rectangle_point_in (&page_area, start) ||
3712 gdk_rectangle_point_in (&page_area, stop)) {
3713 if (first == n_pages)
3722 /* Now create a list of EvViewSelection's for the affected
3723 * pages. This could be an empty list, a list of just one
3724 * page or a number of pages.*/
3725 for (i = first; i < last + 1; i++) {
3726 GdkRectangle page_area;
3730 ev_page_cache_get_size (view->page_cache, i,
3732 1.0, &width, &height);
3734 selection = g_new0 (EvViewSelection, 1);
3735 selection->page = i;
3736 selection->rect.x1 = selection->rect.y1 = 0;
3737 selection->rect.x2 = width;
3738 selection->rect.y2 = height;
3740 get_page_extents (view, i, &page_area, &border);
3742 if (gdk_rectangle_point_in (&page_area, start))
3748 view_point_to_doc_point (view, point, &page_area,
3749 &selection->rect.x1,
3750 &selection->rect.y1);
3752 /* If the selection is contained within just one page,
3753 * make sure we don't write 'start' into both points
3754 * in selection->rect. */
3759 view_point_to_doc_point (view, point, &page_area,
3760 &selection->rect.x2,
3761 &selection->rect.y2);
3763 list = g_list_append (list, selection);
3769 /* This function takes the newly calculated list, and figures out which regions
3770 * have changed. It then queues a redraw approporiately.
3773 merge_selection_region (EvView *view,
3777 GList *new_list_ptr, *old_list_ptr;
3779 /* Update the selection */
3780 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
3781 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
3782 view->selection_info.selections = new_list;
3783 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
3784 g_object_notify (G_OBJECT (view), "has-selection");
3786 new_list_ptr = new_list;
3787 old_list_ptr = old_list;
3789 while (new_list_ptr || old_list_ptr) {
3790 EvViewSelection *old_sel, *new_sel;
3792 GdkRegion *region = NULL;
3794 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
3795 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
3797 /* Assume that the lists are in order, and we run through them
3798 * comparing them, one page at a time. We come out with the
3799 * first page we see. */
3800 if (new_sel && old_sel) {
3801 if (new_sel->page < old_sel->page) {
3802 new_list_ptr = new_list_ptr->next;
3804 } else if (new_sel->page > old_sel->page) {
3805 old_list_ptr = old_list_ptr->next;
3808 new_list_ptr = new_list_ptr->next;
3809 old_list_ptr = old_list_ptr->next;
3811 } else if (new_sel) {
3812 new_list_ptr = new_list_ptr->next;
3813 } else if (old_sel) {
3814 old_list_ptr = old_list_ptr->next;
3817 g_assert (new_sel || old_sel);
3819 /* is the page we're looking at on the screen?*/
3820 cur_page = new_sel ? new_sel->page : old_sel->page;
3821 if (cur_page < view->start_page || cur_page > view->end_page)
3824 /* seed the cache with a new page. We are going to need the new
3827 GdkRegion *tmp_region = NULL;
3828 ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
3833 new_sel->covered_region = gdk_region_copy (tmp_region);
3837 /* Now we figure out what needs redrawing */
3838 if (old_sel && new_sel) {
3839 if (old_sel->covered_region &&
3840 new_sel->covered_region) {
3841 /* We only want to redraw the areas that have
3842 * changed, so we xor the old and new regions
3843 * and redraw if it's different */
3844 region = gdk_region_copy (old_sel->covered_region);
3845 gdk_region_xor (region, new_sel->covered_region);
3846 if (gdk_region_empty (region)) {
3847 gdk_region_destroy (region);
3850 } else if (old_sel->covered_region) {
3851 region = gdk_region_copy (old_sel->covered_region);
3852 } else if (new_sel->covered_region) {
3853 region = gdk_region_copy (new_sel->covered_region);
3855 } else if (old_sel && !new_sel) {
3856 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
3857 region = gdk_region_copy (old_sel->covered_region);
3859 } else if (!old_sel && new_sel) {
3860 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
3861 region = gdk_region_copy (new_sel->covered_region);
3864 g_assert_not_reached ();
3867 /* Redraw the damaged region! */
3869 GdkRectangle page_area;
3872 get_page_extents (view, cur_page, &page_area, &border);
3873 gdk_region_offset (region,
3874 page_area.x + border.left - view->scroll_x,
3875 page_area.y + border.top - view->scroll_y);
3876 gdk_window_invalidate_region (GTK_WIDGET (view)->window, region, TRUE);
3877 gdk_region_destroy (region);
3881 /* Free the old list, now that we're done with it. */
3882 g_list_foreach (old_list, (GFunc) selection_free, NULL);
3886 compute_selections (EvView *view,
3892 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
3893 list = compute_new_selection_rect (view, start, stop);
3895 list = compute_new_selection_text (view, start, stop);
3896 merge_selection_region (view, list);
3899 /* Free's the selection. It's up to the caller to queue redraws if needed.
3902 selection_free (EvViewSelection *selection)
3904 if (selection->covered_region)
3905 gdk_region_destroy (selection->covered_region);
3910 clear_selection (EvView *view)
3912 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
3913 view->selection_info.selections = NULL;
3914 view->selection_info.in_selection = FALSE;
3915 g_object_notify (G_OBJECT (view), "has-selection");
3920 ev_view_select_all (EvView *view)
3924 /* Disable selection on rotated pages for the 0.4.0 series */
3925 if (view->rotation != 0)
3928 clear_selection (view);
3930 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3931 for (i = 0; i < n_pages; i++) {
3933 EvViewSelection *selection;
3935 ev_page_cache_get_size (view->page_cache,
3938 1.0, &width, &height);
3940 selection = g_new0 (EvViewSelection, 1);
3941 selection->page = i;
3942 selection->rect.x1 = selection->rect.y1 = 0;
3943 selection->rect.x2 = width;
3944 selection->rect.y2 = height;
3946 view->selection_info.selections = g_list_append (view->selection_info.selections, selection);
3949 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, view->selection_info.selections);
3950 g_object_notify (G_OBJECT (view), "has-selection");
3951 gtk_widget_queue_draw (GTK_WIDGET (view));
3955 ev_view_get_has_selection (EvView *view)
3957 return view->selection_info.selections != NULL;
3961 get_selected_text (EvView *ev_view)
3966 text = g_string_new (NULL);
3968 ev_document_doc_mutex_lock ();
3970 for (l = ev_view->selection_info.selections; l != NULL; l = l->next) {
3971 EvViewSelection *selection = (EvViewSelection *)l->data;
3974 tmp = ev_document_get_text (ev_view->document,
3977 g_string_append (text, tmp);
3981 ev_document_doc_mutex_unlock ();
3983 return g_string_free (text, FALSE);
3987 ev_view_copy (EvView *ev_view)
3989 GtkClipboard *clipboard;
3992 if (!ev_document_can_get_text (ev_view->document)) {
3996 text = get_selected_text (ev_view);
3997 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
3998 GDK_SELECTION_CLIPBOARD);
3999 gtk_clipboard_set_text (clipboard, text, -1);
4004 ev_view_primary_get_cb (GtkClipboard *clipboard,
4005 GtkSelectionData *selection_data,
4009 EvView *ev_view = EV_VIEW (data);
4012 if (!ev_document_can_get_text (ev_view->document)) {
4016 text = get_selected_text (ev_view);
4017 gtk_selection_data_set_text (selection_data, text, -1);
4022 ev_view_primary_clear_cb (GtkClipboard *clipboard,
4025 EvView *view = EV_VIEW (data);
4027 clear_selection (view);
4031 ev_view_update_primary_selection (EvView *ev_view)
4033 GtkClipboard *clipboard;
4035 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
4036 GDK_SELECTION_PRIMARY);
4038 if (ev_view->selection_info.selections) {
4039 if (!gtk_clipboard_set_with_owner (clipboard,
4041 G_N_ELEMENTS (targets),
4042 ev_view_primary_get_cb,
4043 ev_view_primary_clear_cb,
4044 G_OBJECT (ev_view)))
4045 ev_view_primary_clear_cb (clipboard, ev_view);
4047 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
4048 gtk_clipboard_clear (clipboard);
4052 /*** Cursor operations ***/
4055 ev_view_create_invisible_cursor(void)
4058 GdkColor black = { 0, 0, 0, 0 };
4059 static char bits[] = { 0x00 };
4061 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
4063 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
4067 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
4069 GdkCursor *cursor = NULL;
4070 GdkDisplay *display;
4073 if (view->cursor == new_cursor) {
4077 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
4078 display = gtk_widget_get_display (widget);
4079 view->cursor = new_cursor;
4081 switch (new_cursor) {
4082 case EV_VIEW_CURSOR_NORMAL:
4083 gdk_window_set_cursor (widget->window, NULL);
4085 case EV_VIEW_CURSOR_IBEAM:
4086 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
4088 case EV_VIEW_CURSOR_LINK:
4089 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
4091 case EV_VIEW_CURSOR_WAIT:
4092 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
4094 case EV_VIEW_CURSOR_HIDDEN:
4095 cursor = ev_view_create_invisible_cursor ();
4097 case EV_VIEW_CURSOR_DRAG:
4098 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
4103 gdk_window_set_cursor (widget->window, cursor);
4104 gdk_cursor_unref (cursor);
4110 ev_view_hide_cursor (EvView *view)
4112 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
4116 ev_view_show_cursor (EvView *view)
4118 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
4122 ev_view_next_page (EvView *view)
4126 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4128 if (!view->page_cache)
4131 page = ev_page_cache_get_current_page (view->page_cache);
4133 if (view->dual_page && !view->presentation)
4138 if (page < ev_page_cache_get_n_pages (view->page_cache)) {
4139 ev_page_cache_set_current_page (view->page_cache, page);
4141 } else if (ev_view_get_dual_page (view) && page == ev_page_cache_get_n_pages (view->page_cache)) {
4142 ev_page_cache_set_current_page (view->page_cache, page - 1);
4150 ev_view_previous_page (EvView *view)
4154 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4156 if (!view->page_cache)
4159 page = ev_page_cache_get_current_page (view->page_cache);
4161 if (view->dual_page && !view->presentation)
4167 ev_page_cache_set_current_page (view->page_cache, page);
4169 } else if (ev_view_get_dual_page (view) && page == -1) {
4170 ev_page_cache_set_current_page (view->page_cache, 0);
4177 /*** Enum description for usage in signal ***/
4180 ev_sizing_mode_get_type (void)
4182 static GType etype = 0;
4184 static const GEnumValue values[] = {
4185 { EV_SIZING_FIT_WIDTH, "EV_SIZING_FIT_WIDTH", "fit-width" },
4186 { EV_SIZING_BEST_FIT, "EV_SIZING_BEST_FIT", "best-fit" },
4187 { EV_SIZING_FREE, "EV_SIZING_FREE", "free" },
4190 etype = g_enum_register_static ("EvSizingMode", values);
4196 ev_scroll_type_get_type (void)
4198 static GType etype = 0;
4200 static const GEnumValue values[] = {
4201 { EV_SCROLL_PAGE_FORWARD, "EV_SCROLL_PAGE_FORWARD", "scroll-page-forward" },
4202 { EV_SCROLL_PAGE_BACKWARD, "EV_SCROLL_PAGE_BACKWARD", "scroll-page-backward" },
4203 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
4204 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
4205 { EV_SCROLL_STEP_UP, "EV_SCROLL_STEP_UP", "scroll-step-up" },
4206 { EV_SCROLL_STEP_DOWN, "EV_SCROLL_STEP_DOWN", "scroll-step-down" },
4209 etype = g_enum_register_static ("EvScrollType", values);