1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
2 /* this file is part of evince, a gnome document viewer
4 * Copyright (C) 2004 Red Hat, Inc
6 * Evince is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Evince is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
23 #include <gtk/gtkalignment.h>
24 #include <glib/gi18n.h>
25 #include <gtk/gtkbindings.h>
26 #include <gtk/gtkselection.h>
27 #include <gtk/gtkclipboard.h>
28 #include <gdk/gdkkeysyms.h>
29 #include <libgnomevfs/gnome-vfs-utils.h>
31 #include "ev-marshal.h"
33 #include "ev-view-private.h"
35 #include "ev-selection.h"
36 #include "ev-document-find.h"
37 #include "ev-document-misc.h"
39 #include "ev-job-queue.h"
40 #include "ev-page-cache.h"
41 #include "ev-pixbuf-cache.h"
42 #include "ev-tooltip.h"
44 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
45 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
46 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
64 SIGNAL_BINDING_ACTIVATED,
76 TARGET_TEXT_BUFFER_CONTENTS
79 static const GtkTargetEntry targets[] = {
80 { "STRING", 0, TARGET_STRING },
81 { "TEXT", 0, TARGET_TEXT },
82 { "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT },
83 { "UTF8_STRING", 0, TARGET_UTF8_STRING },
86 static guint signals[N_SIGNALS];
91 } EvViewFindDirection;
93 #define ZOOM_IN_FACTOR 1.2
94 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
96 #define MIN_SCALE 0.05409
99 #define SCROLL_TIME 150
102 static void scroll_to_current_page (EvView *view,
103 GtkOrientation orientation);
104 static void ev_view_set_scroll_adjustments (EvView *view,
105 GtkAdjustment *hadjustment,
106 GtkAdjustment *vadjustment);
107 static void view_update_range_and_current_page (EvView *view);
108 static void set_scroll_adjustment (EvView *view,
109 GtkOrientation orientation,
110 GtkAdjustment *adjustment);
111 static void ev_view_set_scroll_adjustments (EvView *view,
112 GtkAdjustment *hadjustment,
113 GtkAdjustment *vadjustment);
114 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
116 GdkModifierType modifiers,
117 GtkScrollType scroll,
118 gboolean horizontal);
119 static void ev_view_binding_activated (EvView *view,
120 GtkScrollType scroll,
121 gboolean horizontal);
122 static void ensure_rectangle_is_visible (EvView *view,
125 /*** Geometry computations ***/
126 static void compute_border (EvView *view,
130 static void get_page_y_offset (EvView *view,
134 static gboolean get_page_extents (EvView *view,
136 GdkRectangle *page_area,
138 static void view_rect_to_doc_rect (EvView *view,
139 GdkRectangle *view_rect,
140 GdkRectangle *page_area,
141 EvRectangle *doc_rect);
142 static void doc_rect_to_view_rect (EvView *view,
144 EvRectangle *doc_rect,
145 GdkRectangle *view_rect);
146 static void find_page_at_location (EvView *view,
152 static gboolean doc_point_to_view_point (EvView *view,
155 GdkPoint *view_point);
157 static EvLink * ev_view_get_link_at_location (EvView *view,
160 static char* tip_from_link (EvView *view,
162 static void handle_link_over_xy (EvView *view,
165 /*** GtkWidget implementation ***/
166 static void ev_view_size_request_continuous_dual_page (EvView *view,
167 GtkRequisition *requisition);
168 static void ev_view_size_request_continuous (EvView *view,
169 GtkRequisition *requisition);
170 static void ev_view_size_request_dual_page (EvView *view,
171 GtkRequisition *requisition);
172 static void ev_view_size_request_single_page (EvView *view,
173 GtkRequisition *requisition);
174 static void ev_view_size_request (GtkWidget *widget,
175 GtkRequisition *requisition);
176 static void ev_view_size_allocate (GtkWidget *widget,
177 GtkAllocation *allocation);
178 static void ev_view_realize (GtkWidget *widget);
179 static gboolean ev_view_scroll_event (GtkWidget *widget,
180 GdkEventScroll *event);
181 static gboolean ev_view_expose_event (GtkWidget *widget,
182 GdkEventExpose *event);
183 static gboolean ev_view_popup_menu (GtkWidget *widget);
184 static gboolean ev_view_button_press_event (GtkWidget *widget,
185 GdkEventButton *event);
186 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
187 GdkEventMotion *event);
188 static gboolean ev_view_button_release_event (GtkWidget *widget,
189 GdkEventButton *event);
190 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
191 GdkEventCrossing *event);
192 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
193 GdkEventCrossing *event);
194 static void ev_view_style_set (GtkWidget *widget,
195 GtkStyle *old_style);
197 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
200 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
201 static void draw_rubberband (GtkWidget *widget,
203 const GdkRectangle *rect,
205 static void highlight_find_results (EvView *view,
207 static void draw_one_page (EvView *view,
209 GdkRectangle *page_area,
211 GdkRectangle *expose_area);
214 static void find_changed_cb (EvDocument *document,
217 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
219 static void page_changed_cb (EvPageCache *page_cache,
222 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
226 static void ev_view_finalize (GObject *object);
227 static void ev_view_destroy (GtkObject *object);
228 static void ev_view_set_property (GObject *object,
232 static void ev_view_get_property (GObject *object,
236 static void ev_view_class_init (EvViewClass *class);
237 static void ev_view_init (EvView *view);
239 /*** Zoom and sizing ***/
240 static double zoom_for_size_fit_width (int doc_width,
245 static double zoom_for_size_fit_height (int doc_width,
250 static double zoom_for_size_best_fit (int doc_width,
256 static void ev_view_zoom_for_size_presentation (EvView *view,
259 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
264 static void ev_view_zoom_for_size_continuous (EvView *view,
269 static void ev_view_zoom_for_size_dual_page (EvView *view,
274 static void ev_view_zoom_for_size_single_page (EvView *view,
280 static GdkCursor* ev_view_create_invisible_cursor (void);
281 static void ev_view_set_cursor (EvView *view,
282 EvViewCursor new_cursor);
284 /*** Status messages ***/
285 static void ev_view_set_status (EvView *view,
286 const char *message);
287 static void update_find_status_message (EvView *view);
288 static void ev_view_set_find_status (EvView *view,
289 const char *message);
291 static void jump_to_find_result (EvView *view);
292 static void jump_to_find_page (EvView *view,
293 EvViewFindDirection direction);
296 static void compute_selections (EvView *view,
299 static void clear_selection (EvView *view);
300 static void selection_free (EvViewSelection *selection);
301 static char* get_selected_text (EvView *ev_view);
302 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
303 GtkSelectionData *selection_data,
306 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
308 static void ev_view_update_primary_selection (EvView *ev_view);
311 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_WIDGET)
314 scroll_to_current_page (EvView *view, GtkOrientation orientation)
318 if (view->document == NULL) {
322 doc_point_to_view_point (view, view->current_page, &view->pending_point, &view_point);
324 if (orientation == GTK_ORIENTATION_VERTICAL) {
325 view->pending_point.y = 0;
327 view->pending_point.x = 0;
330 if (orientation == GTK_ORIENTATION_VERTICAL) {
331 if (view->continuous) {
332 gtk_adjustment_clamp_page (view->vadjustment,
333 view_point.y - view->spacing / 2,
334 view_point.y + view->vadjustment->page_size);
336 gtk_adjustment_set_value (view->vadjustment,
338 view->vadjustment->lower,
339 view->vadjustment->upper -
340 view->vadjustment->page_size));
343 if (view->dual_page) {
344 gtk_adjustment_clamp_page (view->hadjustment,
346 view_point.x + view->hadjustment->page_size);
348 gtk_adjustment_set_value (view->hadjustment,
350 view->hadjustment->lower,
351 view->hadjustment->upper -
352 view->hadjustment->page_size));
358 view_set_adjustment_values (EvView *view,
359 GtkOrientation orientation)
361 GtkWidget *widget = GTK_WIDGET (view);
362 GtkAdjustment *adjustment;
369 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
370 requisition = widget->requisition.width;
371 allocation = widget->allocation.width;
372 adjustment = view->hadjustment;
374 requisition = widget->requisition.height;
375 allocation = widget->allocation.height;
376 adjustment = view->vadjustment;
383 switch (view->pending_scroll) {
384 case SCROLL_TO_KEEP_POSITION:
385 factor = (adjustment->value) / adjustment->upper;
387 case SCROLL_TO_PAGE_POSITION:
389 case SCROLL_TO_CENTER:
390 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
394 adjustment->page_size = allocation;
395 adjustment->step_increment = allocation * 0.1;
396 adjustment->page_increment = allocation * 0.9;
397 adjustment->lower = 0;
398 adjustment->upper = MAX (allocation, requisition);
401 * We add 0.5 to the values before to average out our rounding errors.
403 switch (view->pending_scroll) {
404 case SCROLL_TO_KEEP_POSITION:
405 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
406 gtk_adjustment_set_value (adjustment, (int)new_value);
408 case SCROLL_TO_PAGE_POSITION:
409 scroll_to_current_page (view, orientation);
411 case SCROLL_TO_CENTER:
412 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
413 0, adjustment->upper - adjustment->page_size);
414 gtk_adjustment_set_value (adjustment, (int)new_value);
418 gtk_adjustment_changed (adjustment);
422 view_update_range_and_current_page (EvView *view)
426 if (view->pending_scroll != SCROLL_TO_KEEP_POSITION)
429 /* Presentation trumps all other modes */
430 if (view->presentation) {
431 view->start_page = view->current_page;
432 view->end_page = view->current_page;
433 } else if (view->continuous) {
434 GdkRectangle current_area, unused, page_area;
436 gboolean found = FALSE;
439 if (!(view->vadjustment && view->hadjustment))
442 current_area.x = view->hadjustment->value;
443 current_area.width = view->hadjustment->upper;
444 current_area.y = view->vadjustment->value;
445 current_area.height = view->vadjustment->page_size;
447 for (i = 0; i < ev_page_cache_get_n_pages (view->page_cache); i++) {
449 get_page_extents (view, i, &page_area, &border);
451 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
453 view->start_page = i;
464 if (view->dual_page) {
465 if (view->current_page % 2 == DUAL_EVEN_LEFT) {
466 view->start_page = view->current_page;
467 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache))
468 view->end_page = view->start_page + 1;
470 view->end_page = view->start_page;
472 if (view->current_page - 1 < 0)
473 view->start_page = view->current_page;
475 view->start_page = view->current_page - 1;
476 view->end_page = view->current_page;
479 view->start_page = view->current_page;
480 view->end_page = view->current_page;
485 current_page = ev_page_cache_get_current_page (view->page_cache);
487 if (current_page < view->start_page || current_page > view->end_page) {
488 view->current_page = view->start_page;
489 ev_page_cache_set_current_page (view->page_cache, view->start_page);
492 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
497 view->selection_info.selections);
501 set_scroll_adjustment (EvView *view,
502 GtkOrientation orientation,
503 GtkAdjustment *adjustment)
505 GtkAdjustment **to_set;
507 if (orientation == GTK_ORIENTATION_HORIZONTAL)
508 to_set = &view->hadjustment;
510 to_set = &view->vadjustment;
512 if (*to_set != adjustment) {
514 g_signal_handlers_disconnect_by_func (*to_set,
515 (gpointer) on_adjustment_value_changed,
517 g_object_unref (*to_set);
520 *to_set = adjustment;
521 view_set_adjustment_values (view, orientation);
524 g_object_ref (*to_set);
525 g_signal_connect (*to_set, "value_changed",
526 G_CALLBACK (on_adjustment_value_changed), view);
532 ev_view_set_scroll_adjustments (EvView *view,
533 GtkAdjustment *hadjustment,
534 GtkAdjustment *vadjustment)
536 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
537 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
539 on_adjustment_value_changed (NULL, view);
543 add_scroll_binding_keypad (GtkBindingSet *binding_set,
545 GdkModifierType modifiers,
546 GtkScrollType scroll,
549 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
551 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
552 "binding_activated", 2,
553 GTK_TYPE_SCROLL_TYPE, scroll,
554 G_TYPE_BOOLEAN, horizontal);
555 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
556 "binding_activated", 2,
557 GTK_TYPE_SCROLL_TYPE, scroll,
558 G_TYPE_BOOLEAN, horizontal);
562 ev_view_scroll (EvView *view,
565 GtkAdjustment *adjustment;
566 double value, increment;
567 gboolean first_page = FALSE;
568 gboolean last_page = FALSE;
570 /* Assign values for increment and vertical adjustment */
571 adjustment = view->vadjustment;
572 increment = adjustment->page_size * 0.75;
573 value = adjustment->value;
575 /* Assign boolean for first and last page */
576 if (view->current_page == 0)
578 if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1)
582 case EV_SCROLL_PAGE_BACKWARD:
583 /* Do not jump backwards if at the first page */
584 if (value == (adjustment->lower) && first_page) {
586 /* At the top of a page, assign the upper bound limit of previous page */
587 } else if (value == (adjustment->lower)) {
588 value = adjustment->upper - adjustment->page_size;
589 ev_view_previous_page (view);
590 /* Jump to the top */
592 value = MAX (value - increment, adjustment->lower);
595 case EV_SCROLL_PAGE_FORWARD:
596 /* Do not jump forward if at the last page */
597 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
599 /* At the bottom of a page, assign the lower bound limit of next page */
600 } else if (value == (adjustment->upper - adjustment->page_size)) {
602 ev_view_next_page (view);
603 /* Jump to the bottom */
605 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
612 gtk_adjustment_set_value (adjustment, value);
616 ev_view_binding_activated (EvView *view,
617 GtkScrollType scroll,
620 GtkAdjustment *adjustment;
623 if (view->presentation) {
625 case GTK_SCROLL_STEP_BACKWARD:
626 ev_view_previous_page (view);
628 case GTK_SCROLL_STEP_FORWARD:
629 ev_view_next_page (view);
638 adjustment = view->hadjustment;
640 adjustment = view->vadjustment;
643 value = adjustment->value;
646 case GTK_SCROLL_STEP_BACKWARD:
647 value -= adjustment->step_increment;
649 case GTK_SCROLL_STEP_FORWARD:
650 value += adjustment->step_increment;
652 case GTK_SCROLL_STEP_DOWN:
653 value -= adjustment->step_increment/10;
655 case GTK_SCROLL_STEP_UP:
656 value += adjustment->step_increment/10;
662 value = CLAMP (value, adjustment->lower,
663 adjustment->upper - adjustment->page_size);
665 gtk_adjustment_set_value (adjustment, value);
671 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
673 GtkWidget *widget = GTK_WIDGET (view);
674 GtkAdjustment *adjustment;
677 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
679 adjustment = view->vadjustment;
681 if (rect->y < adjustment->value) {
682 value = MAX (adjustment->lower, rect->y - MARGIN);
683 gtk_adjustment_set_value (view->vadjustment, value);
684 } else if (rect->y + rect->height >
685 adjustment->value + widget->allocation.height) {
686 value = MIN (adjustment->upper, rect->y + rect->height -
687 widget->allocation.height + MARGIN);
688 gtk_adjustment_set_value (view->vadjustment, value);
691 adjustment = view->hadjustment;
693 if (rect->x < adjustment->value) {
694 value = MAX (adjustment->lower, rect->x - MARGIN);
695 gtk_adjustment_set_value (view->hadjustment, value);
696 } else if (rect->x + rect->height >
697 adjustment->value + widget->allocation.width) {
698 value = MIN (adjustment->upper, rect->x + rect->width -
699 widget->allocation.width + MARGIN);
700 gtk_adjustment_set_value (view->hadjustment, value);
704 /*** Geometry computations ***/
707 compute_border (EvView *view, int width, int height, GtkBorder *border)
709 if (view->presentation) {
715 ev_document_misc_get_page_border_size (width, height, border);
720 get_page_y_offset (EvView *view, int page, double zoom, int *y_offset)
722 int max_width, offset;
725 g_return_if_fail (y_offset != NULL);
727 ev_page_cache_get_max_width (view->page_cache, view->rotation, zoom, &max_width);
729 compute_border (view, max_width, max_width, &border);
731 if (view->dual_page) {
732 ev_page_cache_get_height_to_page (view->page_cache, page,
733 view->rotation, zoom, NULL, &offset);
734 offset += ((page + DUAL_EVEN_LEFT) / 2 + 1) * view->spacing + ((page + DUAL_EVEN_LEFT) / 2 ) * (border.top + border.bottom);
736 ev_page_cache_get_height_to_page (view->page_cache, page,
737 view->rotation, zoom, &offset, NULL);
738 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
746 get_page_extents (EvView *view,
748 GdkRectangle *page_area,
754 widget = GTK_WIDGET (view);
756 /* Get the size of the page */
757 ev_page_cache_get_size (view->page_cache, page,
761 compute_border (view, width, height, border);
762 page_area->width = width + border->left + border->right;
763 page_area->height = height + border->top + border->bottom;
765 if (view->presentation) {
766 page_area->x = (MAX (0, widget->allocation.width - width))/2;
767 page_area->y = (MAX (0, widget->allocation.height - height))/2;
768 } else if (view->continuous) {
772 ev_page_cache_get_max_width (view->page_cache, view->rotation,
773 view->scale, &max_width);
774 max_width = max_width + border->left + border->right;
775 /* Get the location of the bounding box */
776 if (view->dual_page) {
777 x = view->spacing + ((page % 2 == DUAL_EVEN_LEFT) ? 0 : 1) * (max_width + view->spacing);
778 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
779 if (page % 2 == DUAL_EVEN_LEFT)
780 x = x + (max_width - width - border->left - border->right);
783 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
786 get_page_y_offset (view, page, view->scale, &y);
792 if (view->dual_page) {
793 gint width_2, height_2;
794 gint max_width = width;
795 gint max_height = height;
796 GtkBorder overall_border;
799 other_page = (page % 2 == DUAL_EVEN_LEFT) ? page + 1: page - 1;
801 /* First, we get the bounding box of the two pages */
802 if (other_page < ev_page_cache_get_n_pages (view->page_cache)
803 && (0 <= other_page)) {
804 ev_page_cache_get_size (view->page_cache,
808 &width_2, &height_2);
811 if (height_2 > height)
812 max_height = height_2;
814 compute_border (view, max_width, max_height, &overall_border);
816 /* Find the offsets */
820 /* Adjust for being the left or right page */
821 if (page % 2 == DUAL_EVEN_LEFT)
822 x = x + max_width - width;
824 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
826 y = y + (max_height - height)/2;
828 /* Adjust for extra allocation */
829 x = x + MAX (0, widget->allocation.width -
830 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
831 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
836 /* Adjust for extra allocation */
837 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
838 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
849 view_point_to_doc_point (EvView *view,
850 GdkPoint *view_point,
851 GdkRectangle *page_area,
855 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
856 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
860 view_rect_to_doc_rect (EvView *view,
861 GdkRectangle *view_rect,
862 GdkRectangle *page_area,
863 EvRectangle *doc_rect)
865 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
866 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
867 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
868 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
872 doc_point_to_view_point (EvView *view,
875 GdkPoint *view_point)
877 GdkRectangle page_area;
879 double x, y, view_x, view_y;
882 ev_page_cache_get_size (view->page_cache, page,
887 if (view->rotation == 0) {
890 } else if (view->rotation == 90) {
891 x = width - doc_point->y;
893 } else if (view->rotation == 180) {
894 x = width - doc_point->x;
895 y = height - doc_point->y;
896 } else if (view->rotation == 270) {
898 y = height - doc_point->x;
900 g_assert_not_reached ();
903 get_page_extents (view, page, &page_area, &border);
905 view_x = x * view->scale;
906 view_y = y * view->scale;
907 view_point->x = view_x + page_area.x;
908 view_point->y = view_y + page_area.y;
910 return (view_x > 0 && view_x <= page_area.width &&
911 view_y > 0 && view_y <= page_area.height);
915 doc_rect_to_view_rect (EvView *view,
917 EvRectangle *doc_rect,
918 GdkRectangle *view_rect)
920 GdkRectangle page_area;
925 ev_page_cache_get_size (view->page_cache, page,
930 if (view->rotation == 0) {
933 w = doc_rect->x2 - doc_rect->x1;
934 h = doc_rect->y2 - doc_rect->y1;
935 } else if (view->rotation == 90) {
936 x = width - doc_rect->y2;
938 w = doc_rect->y2 - doc_rect->y1;
939 h = doc_rect->x2 - doc_rect->x1;
940 } else if (view->rotation == 180) {
941 x = width - doc_rect->x2;
942 y = height - doc_rect->y2;
943 w = doc_rect->x2 - doc_rect->x1;
944 h = doc_rect->y2 - doc_rect->y1;
945 } else if (view->rotation == 270) {
947 y = height - doc_rect->x2;
948 w = doc_rect->y2 - doc_rect->y1;
949 h = doc_rect->x2 - doc_rect->x1;
951 g_assert_not_reached ();
954 get_page_extents (view, page, &page_area, &border);
956 view_rect->x = x * view->scale + page_area.x;
957 view_rect->y = y * view->scale + page_area.y;
958 view_rect->width = w * view->scale;
959 view_rect->height = h * view->scale;
963 find_page_at_location (EvView *view,
972 if (view->document == NULL)
979 for (i = view->start_page; i <= view->end_page; i++) {
980 GdkRectangle page_area;
983 if (! get_page_extents (view, i, &page_area, &border))
986 if ((x >= page_area.x + border.left) &&
987 (x < page_area.x + page_area.width - border.right) &&
988 (y >= page_area.y + border.top) &&
989 (y < page_area.y + page_area.height - border.bottom)) {
991 *x_offset = x - (page_area.x + border.left);
992 *y_offset = y - (page_area.y + border.top);
1001 location_in_text (EvView *view,
1007 gint x_offset = 0, y_offset = 0;
1009 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1014 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
1017 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1023 ev_view_get_width (EvView *view)
1025 return GTK_WIDGET (view)->allocation.width;
1029 ev_view_get_height (EvView *view)
1031 return GTK_WIDGET (view)->allocation.height;
1035 location_in_selected_text (EvView *view,
1040 gint x_offset = 0, y_offset = 0;
1041 EvViewSelection *selection;
1044 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1045 selection = (EvViewSelection *)l->data;
1047 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1049 if (page != selection->page)
1052 if (selection->covered_region &&
1053 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1062 ev_view_get_link_at_location (EvView *view,
1067 gint x_offset = 0, y_offset = 0;
1068 GList *link_mapping;
1070 x += view->scroll_x;
1071 y += view->scroll_y;
1073 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1078 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1081 return ev_link_mapping_find (link_mapping, x_offset / view->scale, y_offset / view->scale);
1087 goto_fitr_link (EvView *view, EvLink *link)
1093 zoom = zoom_for_size_best_fit (ev_link_get_right (link) - ev_link_get_left (link),
1094 ev_link_get_top (link) - ev_link_get_bottom (link),
1095 ev_view_get_width (view),
1096 ev_view_get_height (view), 0, 0);
1098 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1099 ev_view_set_zoom (view, zoom, FALSE);
1101 page = ev_link_get_page (link);
1102 doc_point.x = ev_link_get_left (link);
1103 doc_point.y = ev_link_get_top (link);
1105 view->current_page = page;
1106 view->pending_point = doc_point;
1107 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1109 gtk_widget_queue_resize (GTK_WIDGET (view));
1113 goto_fitv_link (EvView *view, EvLink *link)
1116 int doc_width, doc_height, page;
1119 page = ev_link_get_page (link);
1120 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1122 doc_point.x = ev_link_get_left (link);
1125 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1126 ev_view_get_width (view),
1127 ev_view_get_height (view), 0);
1129 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1130 ev_view_set_zoom (view, zoom, FALSE);
1132 view->current_page = page;
1133 view->pending_point = doc_point;
1134 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1136 gtk_widget_queue_resize (GTK_WIDGET (view));
1140 goto_fith_link (EvView *view, EvLink *link)
1143 int doc_width, doc_height, page;
1146 page = ev_link_get_page (link);
1147 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1150 doc_point.y = doc_height - ev_link_get_top (link);
1152 zoom = zoom_for_size_fit_width (doc_width, ev_link_get_top (link),
1153 ev_view_get_width (view),
1154 ev_view_get_height (view), 0);
1156 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1157 ev_view_set_zoom (view, zoom, FALSE);
1159 view->current_page = page;
1160 view->pending_point = doc_point;
1161 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1163 gtk_widget_queue_resize (GTK_WIDGET (view));
1167 goto_fit_link (EvView *view, EvLink *link)
1170 int doc_width, doc_height;
1173 page = ev_link_get_page (link);
1174 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1176 zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view),
1177 ev_view_get_height (view), 0, 0);
1179 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1180 ev_view_set_zoom (view, zoom, FALSE);
1182 view->current_page = page;
1183 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1185 gtk_widget_queue_resize (GTK_WIDGET (view));
1189 goto_xyz_link (EvView *view, EvLink *link)
1195 zoom = ev_link_get_zoom (link);
1196 page = ev_link_get_page (link);
1197 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, NULL, &height);
1200 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1201 ev_view_set_zoom (view, zoom, FALSE);
1204 doc_point.x = ev_link_get_left (link);
1205 doc_point.y = height - ev_link_get_top (link);
1207 view->current_page = page;
1208 view->pending_point = doc_point;
1209 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1211 gtk_widget_queue_resize (GTK_WIDGET (view));
1215 ev_view_goto_link (EvView *view, EvLink *link)
1220 type = ev_link_get_link_type (link);
1223 case EV_LINK_TYPE_TITLE:
1225 case EV_LINK_TYPE_PAGE:
1226 page = ev_link_get_page (link);
1227 ev_page_cache_set_current_page (view->page_cache, page);
1229 case EV_LINK_TYPE_PAGE_FIT:
1230 goto_fit_link (view, link);
1232 case EV_LINK_TYPE_PAGE_FITH:
1233 goto_fith_link (view, link);
1235 case EV_LINK_TYPE_PAGE_FITV:
1236 goto_fitv_link (view, link);
1238 case EV_LINK_TYPE_PAGE_FITR:
1239 goto_fitr_link (view, link);
1241 case EV_LINK_TYPE_PAGE_XYZ:
1242 goto_xyz_link (view, link);
1244 case EV_LINK_TYPE_EXTERNAL_URI:
1245 case EV_LINK_TYPE_LAUNCH:
1246 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, link);
1252 tip_from_link (EvView *view, EvLink *link)
1258 type = ev_link_get_link_type (link);
1261 case EV_LINK_TYPE_TITLE:
1262 if (ev_link_get_title (link))
1263 msg = g_strdup (ev_link_get_title (link));
1265 case EV_LINK_TYPE_PAGE:
1266 case EV_LINK_TYPE_PAGE_XYZ:
1267 page_label = ev_page_cache_get_page_label (view->page_cache, ev_link_get_page (link));
1268 msg = g_strdup_printf (_("Go to page %s"), page_label);
1269 g_free (page_label);
1271 case EV_LINK_TYPE_EXTERNAL_URI:
1272 msg = g_strdup (ev_link_get_uri (link));
1282 handle_link_over_xy (EvView *view, gint x, gint y)
1286 link = ev_view_get_link_at_location (view, x, y);
1288 if (view->link_tooltip == NULL) {
1289 view->link_tooltip = ev_tooltip_new (GTK_WIDGET (view));
1292 if (view->hovered_link != link) {
1293 view->hovered_link = link;
1294 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
1298 char *msg = tip_from_link (view, link);
1300 if (msg && g_utf8_validate (msg, -1, NULL)) {
1301 EvTooltip *tooltip = EV_TOOLTIP (view->link_tooltip);
1303 ev_tooltip_set_position (tooltip, x, y);
1304 ev_tooltip_set_text (tooltip, msg);
1305 ev_tooltip_activate (tooltip);
1309 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1310 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1311 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1313 ev_view_set_status (view, NULL);
1314 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1315 view->cursor == EV_VIEW_CURSOR_IBEAM)
1316 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1321 /*** GtkWidget implementation ***/
1324 ev_view_size_request_continuous_dual_page (EvView *view,
1325 GtkRequisition *requisition)
1331 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1332 view->scale, &max_width);
1333 compute_border (view, max_width, max_width, &border);
1335 n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1;
1337 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
1338 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1340 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1341 requisition->width = 1;
1342 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1343 requisition->width = 1;
1344 /* FIXME: This could actually be set on one page docs or docs
1345 * with a strange aspect ratio. */
1346 /* requisition->height = 1;*/
1351 ev_view_size_request_continuous (EvView *view,
1352 GtkRequisition *requisition)
1359 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1360 view->scale, &max_width);
1361 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1362 compute_border (view, max_width, max_width, &border);
1364 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
1365 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1367 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1368 requisition->width = 1;
1369 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1370 requisition->width = 1;
1371 /* FIXME: This could actually be set on one page docs or docs
1372 * with a strange aspect ratio. */
1373 /* requisition->height = 1;*/
1378 ev_view_size_request_dual_page (EvView *view,
1379 GtkRequisition *requisition)
1384 /* Find the largest of the two. */
1385 ev_page_cache_get_size (view->page_cache,
1390 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) {
1391 gint width_2, height_2;
1392 ev_page_cache_get_size (view->page_cache,
1393 view->current_page + 1,
1396 &width_2, &height_2);
1397 if (width_2 > width) {
1402 compute_border (view, width, height, &border);
1404 requisition->width = ((width + border.left + border.right) * 2) +
1405 (view->spacing * 3);
1406 requisition->height = (height + border.top + border.bottom) +
1407 (view->spacing * 2);
1409 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1410 requisition->width = 1;
1411 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1412 requisition->width = 1;
1413 requisition->height = 1;
1418 ev_view_size_request_single_page (EvView *view,
1419 GtkRequisition *requisition)
1424 ev_page_cache_get_size (view->page_cache,
1429 compute_border (view, width, height, &border);
1431 requisition->width = width + border.left + border.right + (2 * view->spacing);
1432 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1434 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1435 requisition->width = 1;
1436 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1437 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1438 requisition->width = 1;
1439 requisition->height = 1;
1444 ev_view_size_request (GtkWidget *widget,
1445 GtkRequisition *requisition)
1447 EvView *view = EV_VIEW (widget);
1449 if (view->document == NULL) {
1450 requisition->width = 1;
1451 requisition->height = 1;
1455 if (view->presentation) {
1456 requisition->width = 1;
1457 requisition->height = 1;
1461 if (view->continuous && view->dual_page)
1462 ev_view_size_request_continuous_dual_page (view, requisition);
1463 else if (view->continuous)
1464 ev_view_size_request_continuous (view, requisition);
1465 else if (view->dual_page)
1466 ev_view_size_request_dual_page (view, requisition);
1468 ev_view_size_request_single_page (view, requisition);
1472 ev_view_size_allocate (GtkWidget *widget,
1473 GtkAllocation *allocation)
1475 EvView *view = EV_VIEW (widget);
1477 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
1478 view->sizing_mode == EV_SIZING_BEST_FIT) {
1480 g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0);
1482 ev_view_size_request (widget, &widget->requisition);
1485 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
1486 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
1488 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
1489 view->pending_resize = FALSE;
1492 view_update_range_and_current_page (view);
1494 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
1498 ev_view_realize (GtkWidget *widget)
1500 EvView *view = EV_VIEW (widget);
1501 GdkWindowAttr attributes;
1503 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
1506 attributes.window_type = GDK_WINDOW_CHILD;
1507 attributes.wclass = GDK_INPUT_OUTPUT;
1508 attributes.visual = gtk_widget_get_visual (widget);
1509 attributes.colormap = gtk_widget_get_colormap (widget);
1511 attributes.x = widget->allocation.x;
1512 attributes.y = widget->allocation.y;
1513 attributes.width = widget->allocation.width;
1514 attributes.height = widget->allocation.height;
1515 attributes.event_mask = GDK_EXPOSURE_MASK |
1516 GDK_BUTTON_PRESS_MASK |
1517 GDK_BUTTON_RELEASE_MASK |
1519 GDK_KEY_PRESS_MASK |
1520 GDK_POINTER_MOTION_MASK |
1521 GDK_POINTER_MOTION_HINT_MASK |
1522 GDK_ENTER_NOTIFY_MASK |
1523 GDK_LEAVE_NOTIFY_MASK;
1525 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
1527 GDK_WA_X | GDK_WA_Y |
1530 gdk_window_set_user_data (widget->window, widget);
1531 widget->style = gtk_style_attach (widget->style, widget->window);
1533 if (view->presentation)
1534 gdk_window_set_background (widget->window, &widget->style->black);
1536 gdk_window_set_background (widget->window, &widget->style->mid [GTK_STATE_NORMAL]);
1540 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
1542 EvView *view = EV_VIEW (widget);
1545 state = event->state & gtk_accelerator_get_default_mod_mask ();
1547 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
1548 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1550 if (event->direction == GDK_SCROLL_UP ||
1551 event->direction == GDK_SCROLL_LEFT) {
1552 if (ev_view_can_zoom_in (view)) {
1553 ev_view_zoom_in (view);
1556 if (ev_view_can_zoom_out (view)) {
1557 ev_view_zoom_out (view);
1564 /* Shift+Wheel scrolls the in the perpendicular direction */
1565 if (state & GDK_SHIFT_MASK) {
1566 if (event->direction == GDK_SCROLL_UP)
1567 event->direction = GDK_SCROLL_LEFT;
1568 if (event->direction == GDK_SCROLL_LEFT)
1569 event->direction = GDK_SCROLL_UP;
1570 if (event->direction == GDK_SCROLL_DOWN)
1571 event->direction = GDK_SCROLL_RIGHT;
1572 if (event->direction == GDK_SCROLL_RIGHT)
1573 event->direction = GDK_SCROLL_DOWN;
1575 event->state &= ~GDK_SHIFT_MASK;
1576 state &= ~GDK_SHIFT_MASK;
1579 if (state == 0 && view->presentation) {
1580 switch (event->direction) {
1581 case GDK_SCROLL_DOWN:
1582 case GDK_SCROLL_RIGHT:
1583 ev_view_next_page (view);
1586 case GDK_SCROLL_LEFT:
1587 ev_view_previous_page (view);
1597 static EvViewSelection *
1598 find_selection_for_page (EvView *view,
1603 for (list = view->selection_info.selections; list != NULL; list = list->next) {
1604 EvViewSelection *selection;
1606 selection = (EvViewSelection *) list->data;
1608 if (selection->page == page)
1616 ev_view_expose_event (GtkWidget *widget,
1617 GdkEventExpose *event)
1619 EvView *view = EV_VIEW (widget);
1622 if (view->document == NULL)
1625 for (i = view->start_page; i <= view->end_page; i++) {
1626 GdkRectangle page_area;
1629 if (!get_page_extents (view, i, &page_area, &border))
1632 page_area.x -= view->scroll_x;
1633 page_area.y -= view->scroll_y;
1635 draw_one_page (view, i, &page_area, &border, &(event->area));
1637 if (EV_IS_DOCUMENT_FIND (view->document))
1638 highlight_find_results (view, i);
1645 ev_view_popup_menu (GtkWidget *widget)
1649 EvView *view = EV_VIEW (widget);
1651 gtk_widget_get_pointer (widget, &x, &y);
1652 link = ev_view_get_link_at_location (view, x, y);
1653 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
1658 ev_view_button_press_event (GtkWidget *widget,
1659 GdkEventButton *event)
1661 EvView *view = EV_VIEW (widget);
1664 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
1665 gtk_widget_grab_focus (widget);
1668 view->pressed_button = event->button;
1669 view->selection_info.in_drag = FALSE;
1671 switch (event->button) {
1673 if (view->selection_info.selections) {
1674 if (location_in_selected_text (view,
1675 event->x + view->scroll_x,
1676 event->y + view->scroll_y)) {
1677 view->selection_info.in_drag = TRUE;
1679 clear_selection (view);
1682 gtk_widget_queue_draw (widget);
1685 view->selection_info.start.x = event->x + view->scroll_x;
1686 view->selection_info.start.y = event->y + view->scroll_y;
1690 /* use root coordinates as reference point because
1691 * scrolling changes window relative coordinates */
1692 view->drag_info.start.x = event->x_root;
1693 view->drag_info.start.y = event->y_root;
1694 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
1695 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
1697 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1701 link = ev_view_get_link_at_location (view, event->x, event->y);
1702 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
1710 ev_view_drag_data_get (GtkWidget *widget,
1711 GdkDragContext *context,
1712 GtkSelectionData *selection_data,
1716 EvView *view = EV_VIEW (widget);
1718 if (view->selection_info.selections &&
1719 ev_document_can_get_text (view->document)) {
1722 text = get_selected_text (view);
1724 gtk_selection_data_set_text (selection_data, text, strlen (text));
1731 selection_update_idle_cb (EvView *view)
1733 compute_selections (view, &view->selection_info.start, &view->motion);
1734 view->selection_update_id = 0;
1739 selection_scroll_timeout_cb (EvView *view)
1741 gint x, y, shift = 0;
1742 GtkWidget *widget = GTK_WIDGET (view);
1744 gtk_widget_get_pointer (widget, &x, &y);
1746 if (y > widget->allocation.height) {
1747 shift = (y - widget->allocation.height) / 2;
1753 gtk_adjustment_set_value (view->vadjustment,
1754 CLAMP (view->vadjustment->value + shift,
1755 view->vadjustment->lower,
1756 view->vadjustment->upper -
1757 view->vadjustment->page_size));
1759 if (x > widget->allocation.width) {
1760 shift = (x - widget->allocation.width) / 2;
1766 gtk_adjustment_set_value (view->hadjustment,
1767 CLAMP (view->hadjustment->value + shift,
1768 view->hadjustment->lower,
1769 view->hadjustment->upper -
1770 view->hadjustment->page_size));
1776 ev_view_motion_notify_event (GtkWidget *widget,
1777 GdkEventMotion *event)
1779 EvView *view = EV_VIEW (widget);
1782 if (!view->document)
1785 if (event->is_hint || event->window != widget->window) {
1786 gtk_widget_get_pointer (widget, &x, &y);
1792 if (view->selection_info.in_drag) {
1793 if (gtk_drag_check_threshold (widget,
1794 view->selection_info.start.x,
1795 view->selection_info.start.y,
1797 GdkDragContext *context;
1798 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
1800 gtk_target_list_add_text_targets (target_list, 0);
1802 context = gtk_drag_begin (widget, target_list,
1804 1, (GdkEvent *)event);
1806 view->selection_info.in_drag = FALSE;
1808 gtk_target_list_unref (target_list);
1814 /* For the Evince 0.4.x release, we limit selection to un-rotated
1817 if (view->pressed_button == 1 && view->rotation == 0) {
1819 /* Schedule timeout to scroll during selection and additionally
1820 * scroll once to allow arbitrary speed. */
1821 if (!view->selection_scroll_id)
1822 view->selection_scroll_id = g_timeout_add (SCROLL_TIME, (GSourceFunc)selection_scroll_timeout_cb, view);
1824 selection_scroll_timeout_cb (view);
1826 view->selection_info.in_selection = TRUE;
1827 view->motion.x = x + view->scroll_x;
1828 view->motion.y = y + view->scroll_y;
1830 /* Queue an idle to handle the motion. We do this because
1831 * handling any selection events in the motion could be slower
1832 * than new motion events reach us. We always put it in the
1833 * idle to make sure we catch up and don't visibly lag the
1835 if (!view->selection_update_id)
1836 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
1839 } else if (view->pressed_button == 2) {
1840 if (!view->drag_info.in_drag) {
1843 start = gtk_drag_check_threshold (widget,
1844 view->drag_info.start.x,
1845 view->drag_info.start.y,
1848 view->drag_info.in_drag = start;
1851 if (view->drag_info.in_drag) {
1853 gdouble dhadj_value, dvadj_value;
1855 dx = event->x_root - view->drag_info.start.x;
1856 dy = event->y_root - view->drag_info.start.y;
1858 dhadj_value = view->hadjustment->page_size *
1859 (gdouble)dx / widget->allocation.width;
1860 dvadj_value = view->vadjustment->page_size *
1861 (gdouble)dy / widget->allocation.height;
1863 /* clamp scrolling to visible area */
1864 gtk_adjustment_set_value (view->hadjustment,
1865 MIN(view->drag_info.hadj - dhadj_value,
1866 view->hadjustment->upper -
1867 view->hadjustment->page_size));
1868 gtk_adjustment_set_value (view->vadjustment,
1869 MIN(view->drag_info.vadj - dvadj_value,
1870 view->vadjustment->upper -
1871 view->vadjustment->page_size));
1875 /* For the Evince 0.4.x release, we limit links to un-rotated documents
1878 } else if (view->pressed_button <= 0 &&
1879 view->rotation == 0) {
1880 handle_link_over_xy (view, x, y);
1888 ev_view_button_release_event (GtkWidget *widget,
1889 GdkEventButton *event)
1891 EvView *view = EV_VIEW (widget);
1894 if (view->pressed_button == 2) {
1895 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1898 if (view->document) {
1899 link = ev_view_get_link_at_location (view, event->x, event->y);
1904 view->pressed_button = -1;
1905 view->drag_info.in_drag = FALSE;
1907 if (view->selection_scroll_id) {
1908 g_source_remove (view->selection_scroll_id);
1909 view->selection_scroll_id = 0;
1911 if (view->selection_update_id) {
1912 g_source_remove (view->selection_update_id);
1913 view->selection_update_id = 0;
1916 if (view->selection_info.selections) {
1917 ev_view_update_primary_selection (view);
1919 if (view->selection_info.in_drag) {
1920 clear_selection (view);
1921 gtk_widget_queue_draw (widget);
1924 view->selection_info.in_drag = FALSE;
1926 ev_view_goto_link (view, link);
1927 } else if (view->presentation) {
1928 switch (event->button) {
1930 ev_view_next_page (view);
1933 ev_view_previous_page (view);
1942 ev_view_focus_in (GtkWidget *widget,
1943 GdkEventFocus *event)
1945 if (EV_VIEW (widget)->pixbuf_cache)
1946 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
1947 gtk_widget_queue_draw (widget);
1953 ev_view_focus_out (GtkWidget *widget,
1954 GdkEventFocus *event)
1956 if (EV_VIEW (widget)->pixbuf_cache)
1957 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
1958 gtk_widget_queue_draw (widget);
1964 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
1966 EvView *view = EV_VIEW (widget);
1968 ev_view_set_status (view, NULL);
1970 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1971 view->cursor == EV_VIEW_CURSOR_IBEAM)
1972 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1974 if (view->link_tooltip) {
1975 view->hovered_link = NULL;
1976 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
1983 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
1985 EvView *view = EV_VIEW (widget);
1987 handle_link_over_xy (view, event->x, event->y);
1993 ev_view_style_set (GtkWidget *widget,
1994 GtkStyle *old_style)
1996 if (EV_VIEW (widget)->pixbuf_cache)
1997 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
1999 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
2005 ev_gdk_color_to_rgb (const GdkColor *color)
2008 result = (0xff0000 | (color->red & 0xff00));
2010 result |= ((color->green & 0xff00) | (color->blue >> 8));
2015 draw_rubberband (GtkWidget *widget, GdkWindow *window,
2016 const GdkRectangle *rect, guchar alpha)
2020 GdkColor *fill_color_gdk;
2023 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
2024 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
2026 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
2027 rect->width, rect->height);
2028 gdk_pixbuf_fill (pixbuf, fill_color);
2030 gdk_draw_pixbuf (window, NULL, pixbuf,
2032 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
2033 rect->width, rect->height,
2034 GDK_RGB_DITHER_NONE,
2037 g_object_unref (pixbuf);
2039 gc = gdk_gc_new (window);
2040 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
2041 gdk_draw_rectangle (window, gc, FALSE,
2042 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
2045 g_object_unref (gc);
2047 gdk_color_free (fill_color_gdk);
2052 highlight_find_results (EvView *view, int page)
2054 EvDocumentFind *find;
2057 g_return_if_fail (EV_IS_DOCUMENT_FIND (view->document));
2059 find = EV_DOCUMENT_FIND (view->document);
2061 results = ev_document_find_get_n_results (find, page);
2063 for (i = 0; i < results; i++) {
2064 EvRectangle rectangle;
2065 GdkRectangle view_rectangle;
2068 if (i == view->find_result && page == view->find_page) {
2074 ev_document_find_get_result (find, page, i, &rectangle);
2075 doc_rect_to_view_rect (view, page, &rectangle, &view_rectangle);
2076 draw_rubberband (GTK_WIDGET (view), GTK_WIDGET(view)->window,
2077 &view_rectangle, alpha);
2082 draw_loading_text (EvView *view,
2083 GdkRectangle *page_area,
2084 GdkRectangle *expose_area)
2086 PangoLayout *layout;
2087 PangoFontDescription *font_desc;
2088 PangoRectangle logical_rect;
2092 const char *loading_text = _("Loading...");
2094 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
2096 font_desc = pango_font_description_new ();
2099 /* We set the font to be 10 points, get the size, and scale appropriately */
2100 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
2101 pango_layout_set_font_description (layout, font_desc);
2102 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2104 /* Make sure we fit the middle of the page */
2105 target_width = MAX (page_area->width / 2, 1);
2106 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
2107 pango_font_description_set_size (font_desc, (int)real_scale);
2108 pango_layout_set_font_description (layout, font_desc);
2109 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2111 gtk_paint_layout (GTK_WIDGET (view)->style,
2112 GTK_WIDGET (view)->window,
2113 GTK_WIDGET_STATE (view),
2118 page_area->x + (target_width/2),
2119 page_area->y + (page_area->height - logical_rect.height) / 2,
2122 pango_font_description_free (font_desc);
2123 g_object_unref (layout);
2127 draw_one_page (EvView *view,
2129 GdkRectangle *page_area,
2131 GdkRectangle *expose_area)
2134 GdkPixbuf *current_pixbuf;
2135 GdkRectangle overlap;
2136 GdkRectangle real_page_area;
2137 EvViewSelection *selection;
2139 g_assert (view->document);
2140 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
2143 selection = find_selection_for_page (view, page);
2144 ev_page_cache_get_size (view->page_cache,
2145 page, view->rotation,
2148 /* Render the document itself */
2149 real_page_area = *page_area;
2151 real_page_area.x += border->left;
2152 real_page_area.y += border->top;
2153 real_page_area.width -= (border->left + border->right);
2154 real_page_area.height -= (border->top + border->bottom);
2156 ev_document_misc_paint_one_page (GTK_WIDGET(view)->window,
2160 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
2161 GdkPixbuf *selection_pixbuf = NULL;
2162 GdkPixbuf *scaled_image;
2163 GdkPixbuf *scaled_selection;
2165 current_pixbuf = ev_pixbuf_cache_get_pixbuf (view->pixbuf_cache, page);
2167 /* Get the selection pixbuf iff we have something to draw */
2168 if (current_pixbuf && view->selection_mode == EV_VIEW_SELECTION_TEXT && selection)
2169 selection_pixbuf = ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
2174 if (current_pixbuf == NULL)
2175 scaled_image = NULL;
2176 else if (width == gdk_pixbuf_get_width (current_pixbuf) &&
2177 height == gdk_pixbuf_get_height (current_pixbuf))
2178 scaled_image = g_object_ref (current_pixbuf);
2180 /* FIXME: We don't want to scale the whole area, just the right
2182 scaled_image = gdk_pixbuf_scale_simple (current_pixbuf,
2184 GDK_INTERP_NEAREST);
2186 if (selection_pixbuf == NULL)
2187 scaled_selection = NULL;
2188 else if (width == gdk_pixbuf_get_width (selection_pixbuf) &&
2189 height == gdk_pixbuf_get_height (selection_pixbuf))
2190 scaled_selection = g_object_ref (selection_pixbuf);
2192 /* FIXME: We don't want to scale the whole area, just the right
2194 scaled_selection = gdk_pixbuf_scale_simple (selection_pixbuf,
2196 GDK_INTERP_NEAREST);
2199 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2200 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2202 overlap.x - real_page_area.x,
2203 overlap.y - real_page_area.y,
2204 overlap.x, overlap.y,
2205 overlap.width, overlap.height,
2206 GDK_RGB_DITHER_NORMAL,
2208 g_object_unref (scaled_image);
2210 draw_loading_text (view,
2215 if (scaled_selection) {
2216 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2217 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2219 overlap.x - real_page_area.x,
2220 overlap.y - real_page_area.y,
2221 overlap.x, overlap.y,
2222 overlap.width, overlap.height,
2223 GDK_RGB_DITHER_NORMAL,
2225 g_object_unref (scaled_selection);
2230 /*** GObject functions ***/
2233 ev_view_finalize (GObject *object)
2235 EvView *view = EV_VIEW (object);
2239 g_free (view->status);
2240 g_free (view->find_status);
2242 clear_selection (view);
2244 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
2248 ev_view_destroy (GtkObject *object)
2250 EvView *view = EV_VIEW (object);
2252 if (view->document) {
2253 g_object_unref (view->document);
2254 view->document = NULL;
2257 if (view->pixbuf_cache) {
2258 g_object_unref (view->pixbuf_cache);
2259 view->pixbuf_cache = NULL;
2262 if (view->link_tooltip) {
2263 gtk_widget_destroy (view->link_tooltip);
2266 if (view->selection_scroll_id) {
2267 g_source_remove (view->selection_scroll_id);
2268 view->selection_scroll_id = 0;
2271 if (view->selection_update_id) {
2272 g_source_remove (view->selection_update_id);
2273 view->selection_update_id = 0;
2276 ev_view_set_scroll_adjustments (view, NULL, NULL);
2278 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
2282 ev_view_set_property (GObject *object,
2284 const GValue *value,
2287 EvView *view = EV_VIEW (object);
2291 case PROP_CONTINUOUS:
2292 ev_view_set_continuous (view, g_value_get_boolean (value));
2294 case PROP_DUAL_PAGE:
2295 ev_view_set_dual_page (view, g_value_get_boolean (value));
2297 case PROP_FULLSCREEN:
2298 ev_view_set_fullscreen (view, g_value_get_boolean (value));
2300 case PROP_PRESENTATION:
2301 ev_view_set_presentation (view, g_value_get_boolean (value));
2303 case PROP_SIZING_MODE:
2304 ev_view_set_sizing_mode (view, g_value_get_enum (value));
2307 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
2310 ev_view_set_rotation (view, g_value_get_int (value));
2313 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2318 ev_view_get_accessible (GtkWidget *widget)
2320 static gboolean first_time = TRUE;
2323 AtkObjectFactory *factory;
2324 AtkRegistry *registry;
2326 GType derived_atk_type;
2329 * Figure out whether accessibility is enabled by looking at the
2330 * type of the accessible object which would be created for
2331 * the parent type of EvView.
2333 derived_type = g_type_parent (EV_TYPE_VIEW);
2335 registry = atk_get_default_registry ();
2336 factory = atk_registry_get_factory (registry,
2338 derived_atk_type = atk_object_factory_get_accessible_type (factory);
2339 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
2340 atk_registry_set_factory_type (registry,
2342 ev_view_accessible_factory_get_type ());
2345 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
2349 ev_view_get_property (GObject *object,
2354 EvView *view = EV_VIEW (object);
2359 g_value_set_string (value, view->status);
2361 case PROP_FIND_STATUS:
2362 g_value_set_string (value, view->status);
2364 case PROP_CONTINUOUS:
2365 g_value_set_boolean (value, view->continuous);
2367 case PROP_DUAL_PAGE:
2368 g_value_set_boolean (value, view->dual_page);
2370 case PROP_FULLSCREEN:
2371 g_value_set_boolean (value, view->fullscreen);
2373 case PROP_PRESENTATION:
2374 g_value_set_boolean (value, view->presentation);
2376 case PROP_SIZING_MODE:
2377 g_value_set_enum (value, view->sizing_mode);
2380 g_value_set_double (value, view->scale);
2383 g_value_set_int (value, view->rotation);
2385 case PROP_HAS_SELECTION:
2386 g_value_set_boolean (value,
2387 view->selection_info.selections != NULL);
2390 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2395 ev_view_class_init (EvViewClass *class)
2397 GObjectClass *object_class = G_OBJECT_CLASS (class);
2398 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
2399 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
2400 GtkBindingSet *binding_set;
2402 object_class->finalize = ev_view_finalize;
2403 object_class->set_property = ev_view_set_property;
2404 object_class->get_property = ev_view_get_property;
2406 widget_class->expose_event = ev_view_expose_event;
2407 widget_class->button_press_event = ev_view_button_press_event;
2408 widget_class->motion_notify_event = ev_view_motion_notify_event;
2409 widget_class->button_release_event = ev_view_button_release_event;
2410 widget_class->focus_in_event = ev_view_focus_in;
2411 widget_class->focus_out_event = ev_view_focus_out;
2412 widget_class->get_accessible = ev_view_get_accessible;
2413 widget_class->size_request = ev_view_size_request;
2414 widget_class->size_allocate = ev_view_size_allocate;
2415 widget_class->realize = ev_view_realize;
2416 widget_class->scroll_event = ev_view_scroll_event;
2417 widget_class->enter_notify_event = ev_view_enter_notify_event;
2418 widget_class->leave_notify_event = ev_view_leave_notify_event;
2419 widget_class->style_set = ev_view_style_set;
2420 widget_class->drag_data_get = ev_view_drag_data_get;
2421 widget_class->popup_menu = ev_view_popup_menu;
2422 gtk_object_class->destroy = ev_view_destroy;
2424 class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
2425 class->binding_activated = ev_view_binding_activated;
2427 widget_class->set_scroll_adjustments_signal =
2428 g_signal_new ("set-scroll-adjustments",
2429 G_OBJECT_CLASS_TYPE (object_class),
2430 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2431 G_STRUCT_OFFSET (EvViewClass, set_scroll_adjustments),
2433 ev_marshal_VOID__OBJECT_OBJECT,
2435 GTK_TYPE_ADJUSTMENT,
2436 GTK_TYPE_ADJUSTMENT);
2438 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
2439 G_TYPE_FROM_CLASS (object_class),
2440 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2441 G_STRUCT_OFFSET (EvViewClass, binding_activated),
2443 ev_marshal_VOID__ENUM_BOOLEAN,
2445 GTK_TYPE_SCROLL_TYPE,
2448 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
2449 G_TYPE_FROM_CLASS (object_class),
2450 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2451 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
2453 ev_marshal_VOID__VOID,
2454 G_TYPE_NONE, 0, G_TYPE_NONE);
2455 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
2456 G_TYPE_FROM_CLASS (object_class),
2457 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2458 G_STRUCT_OFFSET (EvViewClass, external_link),
2460 g_cclosure_marshal_VOID__OBJECT,
2463 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
2464 G_TYPE_FROM_CLASS (object_class),
2465 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2466 G_STRUCT_OFFSET (EvViewClass, popup_menu),
2468 g_cclosure_marshal_VOID__OBJECT,
2472 g_object_class_install_property (object_class,
2474 g_param_spec_string ("status",
2476 "The status message",
2480 g_object_class_install_property (object_class,
2482 g_param_spec_string ("find-status",
2483 "Find Status Message",
2484 "The find status message",
2488 g_object_class_install_property (object_class,
2490 g_param_spec_boolean ("continuous",
2492 "Continuous scrolling mode",
2494 G_PARAM_READWRITE));
2496 g_object_class_install_property (object_class,
2498 g_param_spec_boolean ("dual-page",
2500 "Two pages visible at once",
2502 G_PARAM_READWRITE));
2503 g_object_class_install_property (object_class,
2505 g_param_spec_boolean ("fullscreen",
2507 "Draw page in a fullscreen fashion",
2509 G_PARAM_READWRITE));
2510 g_object_class_install_property (object_class,
2512 g_param_spec_boolean ("presentation",
2514 "Draw page in presentation mode",
2516 G_PARAM_READWRITE));
2518 g_object_class_install_property (object_class,
2520 g_param_spec_enum ("sizing-mode",
2523 EV_TYPE_SIZING_MODE,
2524 EV_SIZING_FIT_WIDTH,
2525 G_PARAM_READWRITE));
2527 g_object_class_install_property (object_class,
2529 g_param_spec_double ("zoom",
2535 G_PARAM_READWRITE));
2536 g_object_class_install_property (object_class,
2538 g_param_spec_double ("rotation",
2544 G_PARAM_READWRITE));
2545 g_object_class_install_property (object_class,
2547 g_param_spec_boolean ("has-selection",
2549 "The view has selections",
2553 binding_set = gtk_binding_set_by_class (class);
2555 add_scroll_binding_keypad (binding_set, GDK_Left, 0, GTK_SCROLL_STEP_BACKWARD, TRUE);
2556 add_scroll_binding_keypad (binding_set, GDK_Right, 0, GTK_SCROLL_STEP_FORWARD, TRUE);
2557 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, TRUE);
2558 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, TRUE);
2559 add_scroll_binding_keypad (binding_set, GDK_Up, 0, GTK_SCROLL_STEP_BACKWARD, FALSE);
2560 add_scroll_binding_keypad (binding_set, GDK_Down, 0, GTK_SCROLL_STEP_FORWARD, FALSE);
2561 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, FALSE);
2562 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, FALSE);
2566 ev_view_init (EvView *view)
2568 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
2572 view->current_page = 0;
2573 view->pressed_button = -1;
2574 view->cursor = EV_VIEW_CURSOR_NORMAL;
2575 view->drag_info.in_drag = FALSE;
2576 view->selection_info.selections = NULL;
2577 view->selection_info.in_selection = FALSE;
2578 view->selection_info.in_drag = FALSE;
2579 view->selection_mode = EV_VIEW_SELECTION_TEXT;
2580 view->continuous = TRUE;
2581 view->dual_page = FALSE;
2582 view->presentation = FALSE;
2583 view->fullscreen = FALSE;
2584 view->sizing_mode = EV_SIZING_FIT_WIDTH;
2585 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2591 find_changed_cb (EvDocument *document, int page, EvView *view)
2593 jump_to_find_page (view, EV_VIEW_FIND_NEXT);
2594 jump_to_find_result (view);
2595 update_find_status_message (view);
2597 if (view->current_page == page)
2598 gtk_widget_queue_draw (GTK_WIDGET (view));
2602 job_finished_cb (EvPixbufCache *pixbuf_cache,
2605 gtk_widget_queue_draw (GTK_WIDGET (view));
2609 page_changed_cb (EvPageCache *page_cache,
2613 if (view->current_page != new_page) {
2615 view->current_page = new_page;
2616 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2617 gtk_widget_queue_resize (GTK_WIDGET (view));
2619 if (EV_IS_DOCUMENT_FIND (view->document)) {
2620 view->find_page = new_page;
2621 view->find_result = 0;
2622 update_find_status_message (view);
2627 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
2632 if (! GTK_WIDGET_REALIZED (view))
2635 if (view->hadjustment) {
2636 dx = view->scroll_x - (int) view->hadjustment->value;
2637 view->scroll_x = (int) view->hadjustment->value;
2642 if (view->vadjustment) {
2643 dy = view->scroll_y - (int) view->vadjustment->value;
2644 view->scroll_y = (int) view->vadjustment->value;
2650 if (view->pending_resize)
2651 gtk_widget_queue_draw (GTK_WIDGET (view));
2653 gdk_window_scroll (GTK_WIDGET (view)->window, dx, dy);
2657 view_update_range_and_current_page (view);
2665 view = g_object_new (EV_TYPE_VIEW, NULL);
2671 setup_caches (EvView *view)
2673 view->page_cache = ev_page_cache_get (view->document);
2674 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
2675 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
2676 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
2680 clear_caches (EvView *view)
2682 if (view->pixbuf_cache) {
2683 g_object_unref (view->pixbuf_cache);
2684 view->pixbuf_cache = NULL;
2687 if (view->page_cache) {
2688 view->page_cache = NULL;
2693 ev_view_set_document (EvView *view,
2694 EvDocument *document)
2696 g_return_if_fail (EV_IS_VIEW (view));
2698 if (document != view->document) {
2699 clear_caches (view);
2701 if (view->document) {
2702 g_signal_handlers_disconnect_by_func (view->document,
2705 g_object_unref (view->document);
2706 view->page_cache = NULL;
2710 view->document = document;
2711 view->find_page = 0;
2712 view->find_result = 0;
2714 if (view->document) {
2715 g_object_ref (view->document);
2716 if (EV_IS_DOCUMENT_FIND (view->document)) {
2717 g_signal_connect (view->document,
2719 G_CALLBACK (find_changed_cb),
2723 setup_caches (view);
2726 gtk_widget_queue_resize (GTK_WIDGET (view));
2730 /*** Zoom and sizing mode ***/
2732 #define EPSILON 0.0000001
2734 ev_view_set_zoom (EvView *view,
2741 scale = view->scale * factor;
2745 scale = CLAMP (scale, MIN_SCALE, MAX_SCALE);
2747 if (ABS (view->scale - scale) < EPSILON)
2750 view->scale = scale;
2751 view->pending_resize = TRUE;
2753 gtk_widget_queue_resize (GTK_WIDGET (view));
2755 g_object_notify (G_OBJECT (view), "zoom");
2759 ev_view_get_zoom (EvView *view)
2765 ev_view_get_continuous (EvView *view)
2767 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2769 return view->continuous;
2773 ev_view_set_continuous (EvView *view,
2774 gboolean continuous)
2776 g_return_if_fail (EV_IS_VIEW (view));
2778 continuous = continuous != FALSE;
2780 if (view->continuous != continuous) {
2781 view->continuous = continuous;
2782 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2783 gtk_widget_queue_resize (GTK_WIDGET (view));
2786 g_object_notify (G_OBJECT (view), "continuous");
2790 ev_view_get_dual_page (EvView *view)
2792 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2794 return view->dual_page;
2798 ev_view_set_dual_page (EvView *view,
2801 g_return_if_fail (EV_IS_VIEW (view));
2803 dual_page = dual_page != FALSE;
2805 if (view->dual_page == dual_page)
2808 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2809 view->dual_page = dual_page;
2810 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
2811 * preload_cache_size to be 2 if dual_page is set.
2813 gtk_widget_queue_resize (GTK_WIDGET (view));
2815 g_object_notify (G_OBJECT (view), "dual-page");
2819 ev_view_set_fullscreen (EvView *view,
2820 gboolean fullscreen)
2822 g_return_if_fail (EV_IS_VIEW (view));
2824 fullscreen = fullscreen != FALSE;
2826 if (view->fullscreen == fullscreen)
2829 view->fullscreen = fullscreen;
2830 gtk_widget_queue_resize (GTK_WIDGET (view));
2832 g_object_notify (G_OBJECT (view), "fullscreen");
2836 ev_view_get_fullscreen (EvView *view)
2838 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2840 return view->fullscreen;
2844 ev_view_set_presentation (EvView *view,
2845 gboolean presentation)
2847 g_return_if_fail (EV_IS_VIEW (view));
2849 presentation = presentation != FALSE;
2851 if (view->presentation == presentation)
2854 view->presentation = presentation;
2855 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2856 gtk_widget_queue_resize (GTK_WIDGET (view));
2858 if (GTK_WIDGET_REALIZED (view)) {
2859 if (view->presentation)
2860 gdk_window_set_background (GTK_WIDGET(view)->window,
2861 >K_WIDGET (view)->style->black);
2863 gdk_window_set_background (GTK_WIDGET(view)->window,
2864 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
2868 g_object_notify (G_OBJECT (view), "presentation");
2872 ev_view_get_presentation (EvView *view)
2874 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2876 return view->presentation;
2880 ev_view_set_sizing_mode (EvView *view,
2881 EvSizingMode sizing_mode)
2883 g_return_if_fail (EV_IS_VIEW (view));
2885 if (view->sizing_mode == sizing_mode)
2888 view->sizing_mode = sizing_mode;
2889 gtk_widget_queue_resize (GTK_WIDGET (view));
2891 g_object_notify (G_OBJECT (view), "sizing-mode");
2895 ev_view_get_sizing_mode (EvView *view)
2897 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
2899 return view->sizing_mode;
2903 ev_view_can_zoom_in (EvView *view)
2905 return view->scale * ZOOM_IN_FACTOR <= MAX_SCALE;
2909 ev_view_can_zoom_out (EvView *view)
2911 return view->scale * ZOOM_OUT_FACTOR >= MIN_SCALE;
2915 ev_view_zoom_in (EvView *view)
2917 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
2919 view->pending_scroll = SCROLL_TO_CENTER;
2920 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
2924 ev_view_zoom_out (EvView *view)
2926 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
2928 view->pending_scroll = SCROLL_TO_CENTER;
2929 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
2933 ev_view_rotate_right (EvView *view)
2935 int rotation = view->rotation + 90;
2937 if (rotation >= 360) {
2941 ev_view_set_rotation (view, rotation);
2945 ev_view_rotate_left (EvView *view)
2947 int rotation = view->rotation - 90;
2953 ev_view_set_rotation (view, rotation);
2957 ev_view_set_rotation (EvView *view, int rotation)
2959 view->rotation = rotation;
2961 if (view->pixbuf_cache) {
2962 ev_pixbuf_cache_clear (view->pixbuf_cache);
2963 gtk_widget_queue_resize (GTK_WIDGET (view));
2967 clear_selection (view);
2969 g_object_notify (G_OBJECT (view), "rotation");
2973 ev_view_get_rotation (EvView *view)
2975 return view->rotation;
2979 zoom_for_size_fit_width (int doc_width,
2987 scale = (double)target_width / doc_width;
2989 if (doc_height * scale > target_height)
2990 scale = (double) (target_width - vsb_width) / doc_width;
2996 zoom_for_size_fit_height (int doc_width,
3004 scale = (double)target_height / doc_height;
3006 if (doc_width * scale > target_width)
3007 scale = (double) (target_height - vsb_height) / doc_height;
3013 zoom_for_size_best_fit (int doc_width,
3023 w_scale = (double)target_width / doc_width;
3024 h_scale = (double)target_height / doc_height;
3026 if (doc_height * w_scale > target_height)
3027 w_scale = (double) (target_width - vsb_width) / doc_width;
3028 if (doc_width * h_scale > target_width)
3029 h_scale = (double) (target_height - hsb_width) / doc_height;
3031 return MIN (w_scale, h_scale);
3036 ev_view_zoom_for_size_presentation (EvView *view,
3040 int doc_width, doc_height;
3043 ev_page_cache_get_size (view->page_cache,
3049 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
3050 ev_view_set_zoom (view, scale, FALSE);
3054 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
3060 int doc_width, doc_height;
3064 ev_page_cache_get_max_width (view->page_cache,
3068 ev_page_cache_get_max_height (view->page_cache,
3072 compute_border (view, doc_width, doc_height, &border);
3074 doc_width = doc_width * 2;
3075 width -= (2 * (border.left + border.right) + 3 * view->spacing);
3076 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3078 /* FIXME: We really need to calculate the overall height here, not the
3079 * page height. We assume there's always a vertical scrollbar for
3080 * now. We need to fix this. */
3081 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3082 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3083 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3084 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3086 g_assert_not_reached ();
3088 ev_view_set_zoom (view, scale, FALSE);
3092 ev_view_zoom_for_size_continuous (EvView *view,
3098 int doc_width, doc_height;
3102 ev_page_cache_get_max_width (view->page_cache,
3106 ev_page_cache_get_max_height (view->page_cache,
3110 compute_border (view, doc_width, doc_height, &border);
3112 width -= (border.left + border.right + 2 * view->spacing);
3113 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3115 /* FIXME: We really need to calculate the overall height here, not the
3116 * page height. We assume there's always a vertical scrollbar for
3117 * now. We need to fix this. */
3118 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3119 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3120 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3121 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3123 g_assert_not_reached ();
3125 ev_view_set_zoom (view, scale, FALSE);
3129 ev_view_zoom_for_size_dual_page (EvView *view,
3136 gint doc_width, doc_height;
3140 other_page = view->current_page ^ 1;
3142 /* Find the largest of the two. */
3143 ev_page_cache_get_size (view->page_cache,
3147 &doc_width, &doc_height);
3149 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
3150 gint width_2, height_2;
3151 ev_page_cache_get_size (view->page_cache,
3155 &width_2, &height_2);
3156 if (width_2 > doc_width)
3157 doc_width = width_2;
3158 if (height_2 > doc_height)
3159 doc_height = height_2;
3161 compute_border (view, doc_width, doc_height, &border);
3163 doc_width = doc_width * 2;
3164 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
3165 height -= (border.top + border.bottom + 2 * view->spacing);
3167 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3168 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3169 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3170 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3172 g_assert_not_reached ();
3174 ev_view_set_zoom (view, scale, FALSE);
3178 ev_view_zoom_for_size_single_page (EvView *view,
3184 int doc_width, doc_height;
3188 ev_page_cache_get_size (view->page_cache,
3194 /* Get an approximate border */
3195 compute_border (view, width, height, &border);
3197 width -= (border.left + border.right + 2 * view->spacing);
3198 height -= (border.top + border.bottom + 2 * view->spacing);
3200 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3201 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3202 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3203 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3205 g_assert_not_reached ();
3207 ev_view_set_zoom (view, scale, FALSE);
3211 ev_view_set_zoom_for_size (EvView *view,
3217 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
3218 view->sizing_mode == EV_SIZING_BEST_FIT);
3219 g_return_if_fail (width >= 0);
3220 g_return_if_fail (height >= 0);
3222 if (view->document == NULL)
3225 if (view->presentation)
3226 ev_view_zoom_for_size_presentation (view, width, height);
3227 else if (view->continuous && view->dual_page)
3228 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
3229 else if (view->continuous)
3230 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
3231 else if (view->dual_page)
3232 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
3234 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
3237 /*** Status text messages ***/
3240 ev_view_get_status (EvView *view)
3242 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3244 return view->status;
3248 ev_view_set_status (EvView *view, const char *message)
3250 g_return_if_fail (EV_IS_VIEW (view));
3252 if (message != view->status) {
3253 g_free (view->status);
3254 view->status = g_strdup (message);
3255 g_object_notify (G_OBJECT (view), "status");
3260 update_find_status_message (EvView *view)
3264 if (view->current_page == view->find_page) {
3267 results = ev_document_find_get_n_results
3268 (EV_DOCUMENT_FIND (view->document),
3269 view->current_page);
3270 /* TRANS: Sometimes this could be better translated as
3271 "%d hit(s) on this page". Therefore this string
3272 contains plural cases. */
3273 message = g_strdup_printf (ngettext ("%d found on this page",
3274 "%d found on this page",
3280 percent = ev_document_find_get_progress
3281 (EV_DOCUMENT_FIND (view->document));
3282 if (percent >= (1.0 - 1e-10)) {
3283 message = g_strdup (_("Not found"));
3285 message = g_strdup_printf (_("%3d%% remaining to search"),
3286 (int) ((1.0 - percent) * 100));
3290 ev_view_set_find_status (view, message);
3295 ev_view_get_find_status (EvView *view)
3297 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3299 return view->find_status;
3303 ev_view_set_find_status (EvView *view, const char *message)
3305 g_return_if_fail (EV_IS_VIEW (view));
3307 g_free (view->find_status);
3308 view->find_status = g_strdup (message);
3309 g_object_notify (G_OBJECT (view), "find-status");
3315 jump_to_find_result (EvView *view)
3317 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3319 GdkRectangle view_rect;
3321 int page = view->find_page;
3323 n_results = ev_document_find_get_n_results (find, page);
3325 if (n_results > 0 && view->find_result < n_results) {
3326 ev_document_find_get_result
3327 (find, page, view->find_result, &rect);
3329 doc_rect_to_view_rect (view, page, &rect, &view_rect);
3330 ensure_rectangle_is_visible (view, &view_rect);
3335 jump_to_find_page (EvView *view, EvViewFindDirection direction)
3339 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3341 for (i = 0; i < n_pages; i++) {
3345 if (direction == EV_VIEW_FIND_NEXT)
3346 page = view->find_page + i;
3348 page = view->find_page - i;
3351 if (page >= n_pages) {
3352 page = page - n_pages;
3355 page = page + n_pages;
3357 has_results = ev_document_find_page_has_results
3358 (EV_DOCUMENT_FIND (view->document), page);
3359 if (has_results == -1) {
3360 view->find_page = page;
3362 } else if (has_results == 1) {
3363 ev_page_cache_set_current_page (view->page_cache, page);
3370 ev_view_can_find_next (EvView *view)
3372 if (EV_IS_DOCUMENT_FIND (view->document)) {
3373 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3376 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3377 for (i = 0; i < n_pages; i++) {
3378 if (ev_document_find_get_n_results (find, i) > 0) {
3388 ev_view_find_next (EvView *view)
3390 int n_results, n_pages;
3391 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3393 n_results = ev_document_find_get_n_results (find, view->current_page);
3395 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3397 view->find_result++;
3399 if (view->find_result >= n_results) {
3401 view->find_result = 0;
3403 if (view->find_page >= n_pages) {
3404 view->find_page = 0;
3407 jump_to_find_page (view, EV_VIEW_FIND_NEXT);
3408 jump_to_find_result (view);
3410 jump_to_find_result (view);
3411 gtk_widget_queue_draw (GTK_WIDGET (view));
3416 ev_view_find_previous (EvView *view)
3418 int n_results, n_pages;
3419 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3420 EvPageCache *page_cache;
3422 page_cache = ev_page_cache_get (view->document);
3424 n_results = ev_document_find_get_n_results (find, view->current_page);
3426 n_pages = ev_page_cache_get_n_pages (page_cache);
3428 view->find_result--;
3430 if (view->find_result < 0) {
3433 if (view->find_page < 0) {
3434 view->find_page = n_pages - 1;
3437 jump_to_find_page (view, EV_VIEW_FIND_PREV);
3438 view->find_result = ev_document_find_get_n_results (find, view->current_page) - 1;
3439 jump_to_find_result (view);
3441 jump_to_find_result (view);
3442 gtk_widget_queue_draw (GTK_WIDGET (view));
3446 /*** Selections ***/
3448 /* compute_new_selection_rect/text calculates the area currently selected by
3449 * view_rect. each handles a different mode;
3452 compute_new_selection_rect (EvView *view,
3456 GdkRectangle view_rect;
3460 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
3462 view_rect.x = MIN (start->x, stop->x);
3463 view_rect.y = MIN (start->y, stop->y);
3464 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
3465 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
3467 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3469 for (i = 0; i < n_pages; i++) {
3470 GdkRectangle page_area;
3473 if (get_page_extents (view, i, &page_area, &border)) {
3474 GdkRectangle overlap;
3476 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
3477 EvViewSelection *selection;
3479 selection = g_new0 (EvViewSelection, 1);
3480 selection->page = i;
3481 view_rect_to_doc_rect (view, &overlap, &page_area,
3482 &(selection->rect));
3484 list = g_list_append (list, selection);
3493 gdk_rectangle_point_in (GdkRectangle *rectangle,
3496 return rectangle->x <= point->x &&
3497 rectangle->y <= point->y &&
3498 point->x < rectangle->x + rectangle->width &&
3499 point->y < rectangle->y + rectangle->height;
3503 compute_new_selection_text (EvView *view,
3507 int n_pages, i, first, last;
3509 EvViewSelection *selection;
3511 int start_page, end_page;
3513 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
3515 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3517 /* First figure out the range of pages the selection
3521 if (view->continuous) {
3524 } else if (view->dual_page) {
3525 start_page = view->start_page;
3526 end_page = view->end_page + 1;
3528 start_page = view->current_page;
3529 end_page = view->current_page + 1;
3532 for (i = start_page; i < end_page; i++) {
3533 GdkRectangle page_area;
3536 get_page_extents (view, i, &page_area, &border);
3537 if (gdk_rectangle_point_in (&page_area, start) ||
3538 gdk_rectangle_point_in (&page_area, stop)) {
3539 if (first == n_pages)
3548 /* Now create a list of EvViewSelection's for the affected
3549 * pages. This could be an empty list, a list of just one
3550 * page or a number of pages.*/
3551 for (i = first; i < last + 1; i++) {
3552 GdkRectangle page_area;
3556 ev_page_cache_get_size (view->page_cache, i,
3558 1.0, &width, &height);
3560 selection = g_new0 (EvViewSelection, 1);
3561 selection->page = i;
3562 selection->rect.x1 = selection->rect.y1 = 0;
3563 selection->rect.x2 = width;
3564 selection->rect.y2 = height;
3566 get_page_extents (view, i, &page_area, &border);
3568 if (gdk_rectangle_point_in (&page_area, start))
3574 view_point_to_doc_point (view, point, &page_area,
3575 &selection->rect.x1,
3576 &selection->rect.y1);
3578 /* If the selection is contained within just one page,
3579 * make sure we don't write 'start' into both points
3580 * in selection->rect. */
3585 view_point_to_doc_point (view, point, &page_area,
3586 &selection->rect.x2,
3587 &selection->rect.y2);
3589 list = g_list_append (list, selection);
3595 /* This function takes the newly calculated list, and figures out which regions
3596 * have changed. It then queues a redraw approporiately.
3599 merge_selection_region (EvView *view,
3603 GList *new_list_ptr, *old_list_ptr;
3605 /* Update the selection */
3606 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
3607 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
3608 view->selection_info.selections = new_list;
3609 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
3610 g_object_notify (G_OBJECT (view), "has-selection");
3612 new_list_ptr = new_list;
3613 old_list_ptr = old_list;
3615 while (new_list_ptr || old_list_ptr) {
3616 EvViewSelection *old_sel, *new_sel;
3618 GdkRegion *region = NULL;
3620 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
3621 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
3623 /* Assume that the lists are in order, and we run through them
3624 * comparing them, one page at a time. We come out with the
3625 * first page we see. */
3626 if (new_sel && old_sel) {
3627 if (new_sel->page < old_sel->page) {
3628 new_list_ptr = new_list_ptr->next;
3630 } else if (new_sel->page > old_sel->page) {
3631 old_list_ptr = old_list_ptr->next;
3634 new_list_ptr = new_list_ptr->next;
3635 old_list_ptr = old_list_ptr->next;
3637 } else if (new_sel) {
3638 new_list_ptr = new_list_ptr->next;
3639 } else if (old_sel) {
3640 old_list_ptr = old_list_ptr->next;
3643 g_assert (new_sel || old_sel);
3645 /* is the page we're looking at on the screen?*/
3646 cur_page = new_sel ? new_sel->page : old_sel->page;
3647 if (cur_page < view->start_page || cur_page > view->end_page)
3650 /* seed the cache with a new page. We are going to need the new
3653 GdkRegion *tmp_region = NULL;
3654 ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
3659 new_sel->covered_region = gdk_region_copy (tmp_region);
3663 /* Now we figure out what needs redrawing */
3664 if (old_sel && new_sel) {
3665 if (old_sel->covered_region &&
3666 new_sel->covered_region) {
3667 /* We only want to redraw the areas that have
3668 * changed, so we xor the old and new regions
3669 * and redraw if it's different */
3670 region = gdk_region_copy (old_sel->covered_region);
3671 gdk_region_xor (region, new_sel->covered_region);
3672 if (gdk_region_empty (region)) {
3673 gdk_region_destroy (region);
3676 } else if (old_sel->covered_region) {
3677 region = gdk_region_copy (old_sel->covered_region);
3678 } else if (new_sel->covered_region) {
3679 region = gdk_region_copy (new_sel->covered_region);
3681 } else if (old_sel && !new_sel) {
3682 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
3683 region = gdk_region_copy (old_sel->covered_region);
3685 } else if (!old_sel && new_sel) {
3686 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
3687 region = gdk_region_copy (new_sel->covered_region);
3690 g_assert_not_reached ();
3693 /* Redraw the damaged region! */
3695 GdkRectangle page_area;
3698 get_page_extents (view, cur_page, &page_area, &border);
3699 gdk_region_offset (region,
3700 page_area.x + border.left - view->scroll_x,
3701 page_area.y + border.top - view->scroll_y);
3702 gdk_window_invalidate_region (GTK_WIDGET (view)->window, region, TRUE);
3703 gdk_region_destroy (region);
3707 /* Free the old list, now that we're done with it. */
3708 g_list_foreach (old_list, (GFunc) selection_free, NULL);
3712 compute_selections (EvView *view,
3718 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
3719 list = compute_new_selection_rect (view, start, stop);
3721 list = compute_new_selection_text (view, start, stop);
3722 merge_selection_region (view, list);
3725 /* Free's the selection. It's up to the caller to queue redraws if needed.
3728 selection_free (EvViewSelection *selection)
3730 if (selection->covered_region)
3731 gdk_region_destroy (selection->covered_region);
3736 clear_selection (EvView *view)
3738 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
3739 view->selection_info.selections = NULL;
3740 view->selection_info.in_selection = FALSE;
3741 g_object_notify (G_OBJECT (view), "has-selection");
3746 ev_view_select_all (EvView *view)
3750 /* Disable selection on rotated pages for the 0.4.0 series */
3751 if (view->rotation != 0)
3754 clear_selection (view);
3756 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3757 for (i = 0; i < n_pages; i++) {
3759 EvViewSelection *selection;
3761 ev_page_cache_get_size (view->page_cache,
3764 1.0, &width, &height);
3766 selection = g_new0 (EvViewSelection, 1);
3767 selection->page = i;
3768 selection->rect.x1 = selection->rect.y1 = 0;
3769 selection->rect.x2 = width;
3770 selection->rect.y2 = height;
3772 view->selection_info.selections = g_list_append (view->selection_info.selections, selection);
3775 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, view->selection_info.selections);
3776 g_object_notify (G_OBJECT (view), "has-selection");
3777 gtk_widget_queue_draw (GTK_WIDGET (view));
3781 ev_view_get_has_selection (EvView *view)
3783 return view->selection_info.selections != NULL;
3787 get_selected_text (EvView *ev_view)
3792 text = g_string_new (NULL);
3794 ev_document_doc_mutex_lock ();
3796 for (l = ev_view->selection_info.selections; l != NULL; l = l->next) {
3797 EvViewSelection *selection = (EvViewSelection *)l->data;
3800 tmp = ev_document_get_text (ev_view->document,
3803 g_string_append (text, tmp);
3807 ev_document_doc_mutex_unlock ();
3809 return g_string_free (text, FALSE);
3813 ev_view_copy (EvView *ev_view)
3815 GtkClipboard *clipboard;
3818 if (!ev_document_can_get_text (ev_view->document)) {
3822 text = get_selected_text (ev_view);
3823 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
3824 GDK_SELECTION_CLIPBOARD);
3825 gtk_clipboard_set_text (clipboard, text, -1);
3830 ev_view_primary_get_cb (GtkClipboard *clipboard,
3831 GtkSelectionData *selection_data,
3835 EvView *ev_view = EV_VIEW (data);
3838 if (!ev_document_can_get_text (ev_view->document)) {
3842 text = get_selected_text (ev_view);
3843 gtk_selection_data_set_text (selection_data, text, -1);
3848 ev_view_primary_clear_cb (GtkClipboard *clipboard,
3851 EvView *view = EV_VIEW (data);
3853 clear_selection (view);
3857 ev_view_update_primary_selection (EvView *ev_view)
3859 GtkClipboard *clipboard;
3861 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
3862 GDK_SELECTION_PRIMARY);
3864 if (ev_view->selection_info.selections) {
3865 if (!gtk_clipboard_set_with_owner (clipboard,
3867 G_N_ELEMENTS (targets),
3868 ev_view_primary_get_cb,
3869 ev_view_primary_clear_cb,
3870 G_OBJECT (ev_view)))
3871 ev_view_primary_clear_cb (clipboard, ev_view);
3873 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
3874 gtk_clipboard_clear (clipboard);
3878 /*** Cursor operations ***/
3881 ev_view_create_invisible_cursor(void)
3884 GdkColor black = { 0, 0, 0, 0 };
3885 static char bits[] = { 0x00 };
3887 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
3889 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
3893 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
3895 GdkCursor *cursor = NULL;
3896 GdkDisplay *display;
3899 if (view->cursor == new_cursor) {
3903 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
3904 display = gtk_widget_get_display (widget);
3905 view->cursor = new_cursor;
3907 switch (new_cursor) {
3908 case EV_VIEW_CURSOR_NORMAL:
3909 gdk_window_set_cursor (widget->window, NULL);
3911 case EV_VIEW_CURSOR_IBEAM:
3912 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
3914 case EV_VIEW_CURSOR_LINK:
3915 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
3917 case EV_VIEW_CURSOR_WAIT:
3918 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
3920 case EV_VIEW_CURSOR_HIDDEN:
3921 cursor = ev_view_create_invisible_cursor ();
3923 case EV_VIEW_CURSOR_DRAG:
3924 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
3929 gdk_window_set_cursor (widget->window, cursor);
3930 gdk_cursor_unref (cursor);
3936 ev_view_hide_cursor (EvView *view)
3938 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
3942 ev_view_show_cursor (EvView *view)
3944 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
3948 ev_view_next_page (EvView *view)
3952 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3954 page = ev_page_cache_get_current_page (view->page_cache);
3955 page = ev_view_get_dual_page (view) ? page + 2 : page + 1;
3957 if (page < ev_page_cache_get_n_pages (view->page_cache)) {
3958 ev_page_cache_set_current_page (view->page_cache, page);
3960 } else if (ev_view_get_dual_page (view) && page == ev_page_cache_get_n_pages (view->page_cache)) {
3961 ev_page_cache_set_current_page (view->page_cache, page - 1);
3969 ev_view_previous_page (EvView *view)
3973 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3975 page = ev_page_cache_get_current_page (view->page_cache);
3976 page = ev_view_get_dual_page (view) ? page - 2 : page - 1;
3979 ev_page_cache_set_current_page (view->page_cache, page);
3981 } else if (ev_view_get_dual_page (view) && page == -1) {
3982 ev_page_cache_set_current_page (view->page_cache, 0);
3989 /*** Enum description for usage in signal ***/
3992 ev_sizing_mode_get_type (void)
3994 static GType etype = 0;
3996 static const GEnumValue values[] = {
3997 { EV_SIZING_FIT_WIDTH, "EV_SIZING_FIT_WIDTH", "fit-width" },
3998 { EV_SIZING_BEST_FIT, "EV_SIZING_BEST_FIT", "best-fit" },
3999 { EV_SIZING_FREE, "EV_SIZING_FREE", "free" },
4002 etype = g_enum_register_static ("EvSizingMode", values);