1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
2 /* this file is part of evince, a gnome document viewer
4 * Copyright (C) 2004 Red Hat, Inc
6 * Evince is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Evince is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
23 #include <gtk/gtkalignment.h>
24 #include <glib/gi18n.h>
25 #include <gtk/gtkbindings.h>
26 #include <gtk/gtkselection.h>
27 #include <gtk/gtkclipboard.h>
28 #include <gdk/gdkkeysyms.h>
29 #include <libgnomevfs/gnome-vfs-utils.h>
31 #include "ev-marshal.h"
33 #include "ev-view-private.h"
35 #include "ev-selection.h"
36 #include "ev-document-find.h"
37 #include "ev-document-misc.h"
39 #include "ev-job-queue.h"
40 #include "ev-page-cache.h"
41 #include "ev-pixbuf-cache.h"
42 #include "ev-tooltip.h"
44 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
45 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
46 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
64 SIGNAL_BINDING_ACTIVATED,
76 TARGET_TEXT_BUFFER_CONTENTS
79 static const GtkTargetEntry targets[] = {
80 { "STRING", 0, TARGET_STRING },
81 { "TEXT", 0, TARGET_TEXT },
82 { "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT },
83 { "UTF8_STRING", 0, TARGET_UTF8_STRING },
86 static guint signals[N_SIGNALS];
91 } EvViewFindDirection;
93 #define ZOOM_IN_FACTOR 1.2
94 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
96 #define MIN_SCALE 0.05409
99 #define SCROLL_TIME 150
102 static void scroll_to_current_page (EvView *view,
103 GtkOrientation orientation);
104 static void ev_view_set_scroll_adjustments (EvView *view,
105 GtkAdjustment *hadjustment,
106 GtkAdjustment *vadjustment);
107 static void view_update_range_and_current_page (EvView *view);
108 static void set_scroll_adjustment (EvView *view,
109 GtkOrientation orientation,
110 GtkAdjustment *adjustment);
111 static void ev_view_set_scroll_adjustments (EvView *view,
112 GtkAdjustment *hadjustment,
113 GtkAdjustment *vadjustment);
114 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
116 GdkModifierType modifiers,
118 gboolean horizontal);
119 static void ensure_rectangle_is_visible (EvView *view,
122 /*** Geometry computations ***/
123 static void compute_border (EvView *view,
127 static void get_page_y_offset (EvView *view,
131 static gboolean get_page_extents (EvView *view,
133 GdkRectangle *page_area,
135 static void view_rect_to_doc_rect (EvView *view,
136 GdkRectangle *view_rect,
137 GdkRectangle *page_area,
138 EvRectangle *doc_rect);
139 static void doc_rect_to_view_rect (EvView *view,
141 EvRectangle *doc_rect,
142 GdkRectangle *view_rect);
143 static void find_page_at_location (EvView *view,
149 static gboolean doc_point_to_view_point (EvView *view,
152 GdkPoint *view_point);
154 static EvLink * ev_view_get_link_at_location (EvView *view,
157 static char* tip_from_link (EvView *view,
159 static void handle_link_over_xy (EvView *view,
162 /*** GtkWidget implementation ***/
163 static void ev_view_size_request_continuous_dual_page (EvView *view,
164 GtkRequisition *requisition);
165 static void ev_view_size_request_continuous (EvView *view,
166 GtkRequisition *requisition);
167 static void ev_view_size_request_dual_page (EvView *view,
168 GtkRequisition *requisition);
169 static void ev_view_size_request_single_page (EvView *view,
170 GtkRequisition *requisition);
171 static void ev_view_size_request (GtkWidget *widget,
172 GtkRequisition *requisition);
173 static void ev_view_size_allocate (GtkWidget *widget,
174 GtkAllocation *allocation);
175 static void ev_view_realize (GtkWidget *widget);
176 static gboolean ev_view_scroll_event (GtkWidget *widget,
177 GdkEventScroll *event);
178 static gboolean ev_view_expose_event (GtkWidget *widget,
179 GdkEventExpose *event);
180 static gboolean ev_view_popup_menu (GtkWidget *widget);
181 static gboolean ev_view_button_press_event (GtkWidget *widget,
182 GdkEventButton *event);
183 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
184 GdkEventMotion *event);
185 static gboolean ev_view_button_release_event (GtkWidget *widget,
186 GdkEventButton *event);
187 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
188 GdkEventCrossing *event);
189 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
190 GdkEventCrossing *event);
191 static void ev_view_style_set (GtkWidget *widget,
192 GtkStyle *old_style);
194 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
197 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
198 static void draw_rubberband (GtkWidget *widget,
200 const GdkRectangle *rect,
202 static void highlight_find_results (EvView *view,
204 static void draw_one_page (EvView *view,
206 GdkRectangle *page_area,
208 GdkRectangle *expose_area);
209 static void draw_loading_text (EvView *view,
210 GdkRectangle *page_area,
211 GdkRectangle *expose_area);
214 static void find_changed_cb (EvDocument *document,
217 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
219 static void page_changed_cb (EvPageCache *page_cache,
222 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
226 static void ev_view_finalize (GObject *object);
227 static void ev_view_destroy (GtkObject *object);
228 static void ev_view_set_property (GObject *object,
232 static void ev_view_get_property (GObject *object,
236 static void ev_view_class_init (EvViewClass *class);
237 static void ev_view_init (EvView *view);
239 /*** Zoom and sizing ***/
240 static double zoom_for_size_fit_width (int doc_width,
245 static double zoom_for_size_fit_height (int doc_width,
250 static double zoom_for_size_best_fit (int doc_width,
256 static void ev_view_zoom_for_size_presentation (EvView *view,
259 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
264 static void ev_view_zoom_for_size_continuous (EvView *view,
269 static void ev_view_zoom_for_size_dual_page (EvView *view,
274 static void ev_view_zoom_for_size_single_page (EvView *view,
280 static GdkCursor* ev_view_create_invisible_cursor (void);
281 static void ev_view_set_cursor (EvView *view,
282 EvViewCursor new_cursor);
284 /*** Status messages ***/
285 static void ev_view_set_status (EvView *view,
286 const char *message);
287 static void update_find_status_message (EvView *view,
289 static void ev_view_set_find_status (EvView *view,
290 const char *message);
292 static void jump_to_find_result (EvView *view);
293 static void jump_to_find_page (EvView *view,
294 EvViewFindDirection direction,
298 static void compute_selections (EvView *view,
301 static void clear_selection (EvView *view);
302 static void selection_free (EvViewSelection *selection);
303 static char* get_selected_text (EvView *ev_view);
304 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
305 GtkSelectionData *selection_data,
308 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
310 static void ev_view_update_primary_selection (EvView *ev_view);
313 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_WIDGET)
316 scroll_to_current_page (EvView *view, GtkOrientation orientation)
320 if (view->document == NULL) {
324 doc_point_to_view_point (view, view->current_page, &view->pending_point, &view_point);
326 if (orientation == GTK_ORIENTATION_VERTICAL) {
327 view->pending_point.y = 0;
329 view->pending_point.x = 0;
332 if (orientation == GTK_ORIENTATION_VERTICAL) {
333 if (view->continuous) {
334 gtk_adjustment_clamp_page (view->vadjustment,
335 view_point.y - view->spacing / 2,
336 view_point.y + view->vadjustment->page_size);
338 gtk_adjustment_set_value (view->vadjustment,
340 view->vadjustment->lower,
341 view->vadjustment->upper -
342 view->vadjustment->page_size));
345 if (view->dual_page) {
346 gtk_adjustment_clamp_page (view->hadjustment,
348 view_point.x + view->hadjustment->page_size);
350 gtk_adjustment_set_value (view->hadjustment,
352 view->hadjustment->lower,
353 view->hadjustment->upper -
354 view->hadjustment->page_size));
360 view_set_adjustment_values (EvView *view,
361 GtkOrientation orientation)
363 GtkWidget *widget = GTK_WIDGET (view);
364 GtkAdjustment *adjustment;
371 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
372 requisition = widget->requisition.width;
373 allocation = widget->allocation.width;
374 adjustment = view->hadjustment;
376 requisition = widget->requisition.height;
377 allocation = widget->allocation.height;
378 adjustment = view->vadjustment;
385 switch (view->pending_scroll) {
386 case SCROLL_TO_KEEP_POSITION:
387 factor = (adjustment->value) / adjustment->upper;
389 case SCROLL_TO_PAGE_POSITION:
391 case SCROLL_TO_CENTER:
392 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
396 adjustment->page_size = allocation;
397 adjustment->step_increment = allocation * 0.1;
398 adjustment->page_increment = allocation * 0.9;
399 adjustment->lower = 0;
400 adjustment->upper = MAX (allocation, requisition);
403 * We add 0.5 to the values before to average out our rounding errors.
405 switch (view->pending_scroll) {
406 case SCROLL_TO_KEEP_POSITION:
407 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
408 gtk_adjustment_set_value (adjustment, (int)new_value);
410 case SCROLL_TO_PAGE_POSITION:
411 scroll_to_current_page (view, orientation);
413 case SCROLL_TO_CENTER:
414 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
415 0, adjustment->upper - adjustment->page_size);
416 gtk_adjustment_set_value (adjustment, (int)new_value);
420 gtk_adjustment_changed (adjustment);
424 view_update_range_and_current_page (EvView *view)
428 if (view->pending_scroll != SCROLL_TO_KEEP_POSITION)
431 /* Presentation trumps all other modes */
432 if (view->presentation) {
433 view->start_page = view->current_page;
434 view->end_page = view->current_page;
435 } else if (view->continuous) {
436 GdkRectangle current_area, unused, page_area;
438 gboolean found = FALSE;
441 if (!(view->vadjustment && view->hadjustment))
444 current_area.x = view->hadjustment->value;
445 current_area.width = view->hadjustment->upper;
446 current_area.y = view->vadjustment->value;
447 current_area.height = view->vadjustment->page_size;
449 for (i = 0; i < ev_page_cache_get_n_pages (view->page_cache); i++) {
451 get_page_extents (view, i, &page_area, &border);
453 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
455 view->start_page = i;
466 if (view->dual_page) {
467 if (view->current_page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) {
468 view->start_page = view->current_page;
469 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache))
470 view->end_page = view->start_page + 1;
472 view->end_page = view->start_page;
474 if (view->current_page < 1)
475 view->start_page = view->current_page;
477 view->start_page = view->current_page - 1;
478 view->end_page = view->current_page;
481 view->start_page = view->current_page;
482 view->end_page = view->current_page;
487 current_page = ev_page_cache_get_current_page (view->page_cache);
489 if (current_page < view->start_page || current_page > view->end_page) {
490 view->current_page = view->start_page;
491 ev_page_cache_set_current_page (view->page_cache, view->start_page);
494 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
499 view->selection_info.selections);
503 set_scroll_adjustment (EvView *view,
504 GtkOrientation orientation,
505 GtkAdjustment *adjustment)
507 GtkAdjustment **to_set;
509 if (orientation == GTK_ORIENTATION_HORIZONTAL)
510 to_set = &view->hadjustment;
512 to_set = &view->vadjustment;
514 if (*to_set != adjustment) {
516 g_signal_handlers_disconnect_by_func (*to_set,
517 (gpointer) on_adjustment_value_changed,
519 g_object_unref (*to_set);
522 *to_set = adjustment;
523 view_set_adjustment_values (view, orientation);
526 g_object_ref (*to_set);
527 g_signal_connect (*to_set, "value_changed",
528 G_CALLBACK (on_adjustment_value_changed), view);
534 ev_view_set_scroll_adjustments (EvView *view,
535 GtkAdjustment *hadjustment,
536 GtkAdjustment *vadjustment)
538 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
539 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
541 on_adjustment_value_changed (NULL, view);
545 add_scroll_binding_keypad (GtkBindingSet *binding_set,
547 GdkModifierType modifiers,
551 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
553 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
554 "binding_activated", 2,
555 EV_TYPE_SCROLL_TYPE, scroll,
556 G_TYPE_BOOLEAN, horizontal);
557 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
558 "binding_activated", 2,
559 EV_TYPE_SCROLL_TYPE, scroll,
560 G_TYPE_BOOLEAN, horizontal);
564 ev_view_scroll (EvView *view,
568 GtkAdjustment *adjustment;
569 double value, increment;
570 gboolean first_page = FALSE;
571 gboolean last_page = FALSE;
573 view->jump_to_find_result = FALSE;
575 if (view->presentation) {
577 case EV_SCROLL_STEP_BACKWARD:
578 ev_view_previous_page (view);
580 case EV_SCROLL_STEP_FORWARD:
581 ev_view_next_page (view);
589 /* Assign values for increment and vertical adjustment */
590 adjustment = horizontal ? view->hadjustment : view->vadjustment;
591 increment = adjustment->page_size * 0.75;
592 value = adjustment->value;
594 /* Assign boolean for first and last page */
595 if (view->current_page == 0)
597 if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1)
601 case EV_SCROLL_PAGE_BACKWARD:
602 /* Do not jump backwards if at the first page */
603 if (value == (adjustment->lower) && first_page) {
605 /* At the top of a page, assign the upper bound limit of previous page */
606 } else if (value == (adjustment->lower)) {
607 value = adjustment->upper - adjustment->page_size;
608 ev_view_previous_page (view);
609 /* Jump to the top */
611 value = MAX (value - increment, adjustment->lower);
614 case EV_SCROLL_PAGE_FORWARD:
615 /* Do not jump forward if at the last page */
616 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
618 /* At the bottom of a page, assign the lower bound limit of next page */
619 } else if (value == (adjustment->upper - adjustment->page_size)) {
621 ev_view_next_page (view);
622 /* Jump to the bottom */
624 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
627 case EV_SCROLL_STEP_BACKWARD:
628 value -= adjustment->step_increment;
630 case EV_SCROLL_STEP_FORWARD:
631 value += adjustment->step_increment;
633 case EV_SCROLL_STEP_DOWN:
634 value -= adjustment->step_increment / 10;
636 case EV_SCROLL_STEP_UP:
637 value += adjustment->step_increment / 10;
643 value = CLAMP (value, adjustment->lower,
644 adjustment->upper - adjustment->page_size);
646 gtk_adjustment_set_value (adjustment, value);
653 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
655 GtkWidget *widget = GTK_WIDGET (view);
656 GtkAdjustment *adjustment;
659 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
661 adjustment = view->vadjustment;
663 if (rect->y < adjustment->value) {
664 value = MAX (adjustment->lower, rect->y - MARGIN);
665 gtk_adjustment_set_value (view->vadjustment, value);
666 } else if (rect->y + rect->height >
667 adjustment->value + widget->allocation.height) {
668 value = MIN (adjustment->upper, rect->y + rect->height -
669 widget->allocation.height + MARGIN);
670 gtk_adjustment_set_value (view->vadjustment, value);
673 adjustment = view->hadjustment;
675 if (rect->x < adjustment->value) {
676 value = MAX (adjustment->lower, rect->x - MARGIN);
677 gtk_adjustment_set_value (view->hadjustment, value);
678 } else if (rect->x + rect->height >
679 adjustment->value + widget->allocation.width) {
680 value = MIN (adjustment->upper, rect->x + rect->width -
681 widget->allocation.width + MARGIN);
682 gtk_adjustment_set_value (view->hadjustment, value);
686 /*** Geometry computations ***/
689 compute_border (EvView *view, int width, int height, GtkBorder *border)
691 if (view->presentation) {
697 ev_document_misc_get_page_border_size (width, height, border);
702 get_page_y_offset (EvView *view, int page, double zoom, int *y_offset)
704 int max_width, offset;
707 g_return_if_fail (y_offset != NULL);
709 ev_page_cache_get_max_width (view->page_cache, view->rotation, zoom, &max_width);
711 compute_border (view, max_width, max_width, &border);
713 if (view->dual_page) {
714 ev_page_cache_get_height_to_page (view->page_cache, page,
715 view->rotation, zoom, NULL, &offset);
716 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);
718 ev_page_cache_get_height_to_page (view->page_cache, page,
719 view->rotation, zoom, &offset, NULL);
720 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
728 get_page_extents (EvView *view,
730 GdkRectangle *page_area,
736 widget = GTK_WIDGET (view);
738 /* Get the size of the page */
739 ev_page_cache_get_size (view->page_cache, page,
743 compute_border (view, width, height, border);
744 page_area->width = width + border->left + border->right;
745 page_area->height = height + border->top + border->bottom;
747 if (view->presentation) {
748 page_area->x = (MAX (0, widget->allocation.width - width))/2;
749 page_area->y = (MAX (0, widget->allocation.height - height))/2;
750 } else if (view->continuous) {
754 ev_page_cache_get_max_width (view->page_cache, view->rotation,
755 view->scale, &max_width);
756 max_width = max_width + border->left + border->right;
757 /* Get the location of the bounding box */
758 if (view->dual_page) {
759 x = view->spacing + ((page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? 0 : 1) * (max_width + view->spacing);
760 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
761 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
762 x = x + (max_width - width - border->left - border->right);
765 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
768 get_page_y_offset (view, page, view->scale, &y);
774 if (view->dual_page) {
775 gint width_2, height_2;
776 gint max_width = width;
777 gint max_height = height;
778 GtkBorder overall_border;
781 other_page = (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? page + 1: page - 1;
783 /* First, we get the bounding box of the two pages */
784 if (other_page < ev_page_cache_get_n_pages (view->page_cache)
785 && (0 <= other_page)) {
786 ev_page_cache_get_size (view->page_cache,
790 &width_2, &height_2);
793 if (height_2 > height)
794 max_height = height_2;
796 compute_border (view, max_width, max_height, &overall_border);
798 /* Find the offsets */
802 /* Adjust for being the left or right page */
803 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
804 x = x + max_width - width;
806 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
808 y = y + (max_height - height)/2;
810 /* Adjust for extra allocation */
811 x = x + MAX (0, widget->allocation.width -
812 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
813 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
818 /* Adjust for extra allocation */
819 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
820 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
831 view_point_to_doc_point (EvView *view,
832 GdkPoint *view_point,
833 GdkRectangle *page_area,
837 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
838 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
842 view_rect_to_doc_rect (EvView *view,
843 GdkRectangle *view_rect,
844 GdkRectangle *page_area,
845 EvRectangle *doc_rect)
847 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
848 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
849 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
850 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
854 doc_point_to_view_point (EvView *view,
857 GdkPoint *view_point)
859 GdkRectangle page_area;
861 double x, y, view_x, view_y;
864 ev_page_cache_get_size (view->page_cache, page,
869 if (view->rotation == 0) {
872 } else if (view->rotation == 90) {
873 x = width - doc_point->y;
875 } else if (view->rotation == 180) {
876 x = width - doc_point->x;
877 y = height - doc_point->y;
878 } else if (view->rotation == 270) {
880 y = height - doc_point->x;
882 g_assert_not_reached ();
885 get_page_extents (view, page, &page_area, &border);
887 view_x = x * view->scale;
888 view_y = y * view->scale;
889 view_point->x = view_x + page_area.x;
890 view_point->y = view_y + page_area.y;
892 return (view_x > 0 && view_x <= page_area.width &&
893 view_y > 0 && view_y <= page_area.height);
897 doc_rect_to_view_rect (EvView *view,
899 EvRectangle *doc_rect,
900 GdkRectangle *view_rect)
902 GdkRectangle page_area;
907 ev_page_cache_get_size (view->page_cache, page,
912 if (view->rotation == 0) {
915 w = doc_rect->x2 - doc_rect->x1;
916 h = doc_rect->y2 - doc_rect->y1;
917 } else if (view->rotation == 90) {
918 x = width - doc_rect->y2;
920 w = doc_rect->y2 - doc_rect->y1;
921 h = doc_rect->x2 - doc_rect->x1;
922 } else if (view->rotation == 180) {
923 x = width - doc_rect->x2;
924 y = height - doc_rect->y2;
925 w = doc_rect->x2 - doc_rect->x1;
926 h = doc_rect->y2 - doc_rect->y1;
927 } else if (view->rotation == 270) {
929 y = height - doc_rect->x2;
930 w = doc_rect->y2 - doc_rect->y1;
931 h = doc_rect->x2 - doc_rect->x1;
933 g_assert_not_reached ();
936 get_page_extents (view, page, &page_area, &border);
938 view_rect->x = x * view->scale + page_area.x;
939 view_rect->y = y * view->scale + page_area.y;
940 view_rect->width = w * view->scale;
941 view_rect->height = h * view->scale;
945 find_page_at_location (EvView *view,
954 if (view->document == NULL)
961 for (i = view->start_page; i <= view->end_page; i++) {
962 GdkRectangle page_area;
965 if (! get_page_extents (view, i, &page_area, &border))
968 if ((x >= page_area.x + border.left) &&
969 (x < page_area.x + page_area.width - border.right) &&
970 (y >= page_area.y + border.top) &&
971 (y < page_area.y + page_area.height - border.bottom)) {
973 *x_offset = x - (page_area.x + border.left);
974 *y_offset = y - (page_area.y + border.top);
983 location_in_text (EvView *view,
989 gint x_offset = 0, y_offset = 0;
991 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
996 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
999 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1005 ev_view_get_width (EvView *view)
1007 return GTK_WIDGET (view)->allocation.width;
1011 ev_view_get_height (EvView *view)
1013 return GTK_WIDGET (view)->allocation.height;
1017 location_in_selected_text (EvView *view,
1022 gint x_offset = 0, y_offset = 0;
1023 EvViewSelection *selection;
1026 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1027 selection = (EvViewSelection *)l->data;
1029 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1031 if (page != selection->page)
1034 if (selection->covered_region &&
1035 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1044 ev_view_get_link_at_location (EvView *view,
1049 gint x_offset = 0, y_offset = 0;
1050 GList *link_mapping;
1052 x += view->scroll_x;
1053 y += view->scroll_y;
1055 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1060 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1063 return ev_link_mapping_find (link_mapping, x_offset / view->scale, y_offset / view->scale);
1069 goto_fitr_link (EvView *view, EvLink *link)
1075 zoom = zoom_for_size_best_fit (ev_link_get_right (link) - ev_link_get_left (link),
1076 ev_link_get_top (link) - ev_link_get_bottom (link),
1077 ev_view_get_width (view),
1078 ev_view_get_height (view), 0, 0);
1080 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1081 ev_view_set_zoom (view, zoom, FALSE);
1083 page = ev_link_get_page (link);
1084 doc_point.x = ev_link_get_left (link);
1085 doc_point.y = ev_link_get_top (link);
1087 view->current_page = page;
1088 view->pending_point = doc_point;
1089 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1091 gtk_widget_queue_resize (GTK_WIDGET (view));
1095 goto_fitv_link (EvView *view, EvLink *link)
1098 int doc_width, doc_height, page;
1101 page = ev_link_get_page (link);
1102 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1104 doc_point.x = ev_link_get_left (link);
1107 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1108 ev_view_get_width (view),
1109 ev_view_get_height (view), 0);
1111 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1112 ev_view_set_zoom (view, zoom, FALSE);
1114 view->current_page = page;
1115 view->pending_point = doc_point;
1116 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1118 gtk_widget_queue_resize (GTK_WIDGET (view));
1122 goto_fith_link (EvView *view, EvLink *link)
1125 int doc_width, doc_height, page;
1128 page = ev_link_get_page (link);
1129 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1132 doc_point.y = doc_height - ev_link_get_top (link);
1134 zoom = zoom_for_size_fit_width (doc_width, ev_link_get_top (link),
1135 ev_view_get_width (view),
1136 ev_view_get_height (view), 0);
1138 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1139 ev_view_set_zoom (view, zoom, FALSE);
1141 view->current_page = page;
1142 view->pending_point = doc_point;
1143 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1145 gtk_widget_queue_resize (GTK_WIDGET (view));
1149 goto_fit_link (EvView *view, EvLink *link)
1152 int doc_width, doc_height;
1155 page = ev_link_get_page (link);
1156 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1158 zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view),
1159 ev_view_get_height (view), 0, 0);
1161 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1162 ev_view_set_zoom (view, zoom, FALSE);
1164 view->current_page = page;
1165 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1167 gtk_widget_queue_resize (GTK_WIDGET (view));
1171 goto_xyz_link (EvView *view, EvLink *link)
1177 zoom = ev_link_get_zoom (link);
1178 page = ev_link_get_page (link);
1179 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, NULL, &height);
1182 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1183 ev_view_set_zoom (view, zoom, FALSE);
1186 doc_point.x = ev_link_get_left (link);
1187 doc_point.y = height - ev_link_get_top (link);
1189 view->current_page = page;
1190 view->pending_point = doc_point;
1191 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1193 gtk_widget_queue_resize (GTK_WIDGET (view));
1197 ev_view_goto_link (EvView *view, EvLink *link)
1202 type = ev_link_get_link_type (link);
1205 case EV_LINK_TYPE_TITLE:
1207 case EV_LINK_TYPE_PAGE:
1208 page = ev_link_get_page (link);
1209 ev_page_cache_set_current_page (view->page_cache, page);
1211 case EV_LINK_TYPE_PAGE_FIT:
1212 goto_fit_link (view, link);
1214 case EV_LINK_TYPE_PAGE_FITH:
1215 goto_fith_link (view, link);
1217 case EV_LINK_TYPE_PAGE_FITV:
1218 goto_fitv_link (view, link);
1220 case EV_LINK_TYPE_PAGE_FITR:
1221 goto_fitr_link (view, link);
1223 case EV_LINK_TYPE_PAGE_XYZ:
1224 goto_xyz_link (view, link);
1226 case EV_LINK_TYPE_EXTERNAL_URI:
1227 case EV_LINK_TYPE_LAUNCH:
1228 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, link);
1234 tip_from_link (EvView *view, EvLink *link)
1240 type = ev_link_get_link_type (link);
1243 case EV_LINK_TYPE_TITLE:
1244 if (ev_link_get_title (link))
1245 msg = g_strdup (ev_link_get_title (link));
1247 case EV_LINK_TYPE_PAGE:
1248 case EV_LINK_TYPE_PAGE_XYZ:
1249 page_label = ev_page_cache_get_page_label (view->page_cache, ev_link_get_page (link));
1250 msg = g_strdup_printf (_("Go to page %s"), page_label);
1251 g_free (page_label);
1253 case EV_LINK_TYPE_EXTERNAL_URI:
1254 msg = g_strdup (ev_link_get_uri (link));
1264 handle_link_over_xy (EvView *view, gint x, gint y)
1268 link = ev_view_get_link_at_location (view, x, y);
1270 if (view->link_tooltip == NULL) {
1271 view->link_tooltip = ev_tooltip_new (GTK_WIDGET (view));
1274 if (view->hovered_link != link) {
1275 view->hovered_link = link;
1276 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
1280 char *msg = tip_from_link (view, link);
1282 if (msg && g_utf8_validate (msg, -1, NULL)) {
1283 EvTooltip *tooltip = EV_TOOLTIP (view->link_tooltip);
1285 ev_tooltip_set_position (tooltip, x, y);
1286 ev_tooltip_set_text (tooltip, msg);
1287 ev_tooltip_activate (tooltip);
1291 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1292 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1293 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1295 ev_view_set_status (view, NULL);
1296 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1297 view->cursor == EV_VIEW_CURSOR_IBEAM)
1298 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1303 /*** GtkWidget implementation ***/
1306 ev_view_size_request_continuous_dual_page (EvView *view,
1307 GtkRequisition *requisition)
1313 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1314 view->scale, &max_width);
1315 compute_border (view, max_width, max_width, &border);
1317 n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1;
1319 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
1320 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1322 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1323 requisition->width = 1;
1324 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1325 requisition->width = 1;
1326 /* FIXME: This could actually be set on one page docs or docs
1327 * with a strange aspect ratio. */
1328 /* requisition->height = 1;*/
1333 ev_view_size_request_continuous (EvView *view,
1334 GtkRequisition *requisition)
1341 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1342 view->scale, &max_width);
1343 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1344 compute_border (view, max_width, max_width, &border);
1346 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
1347 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1349 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1350 requisition->width = 1;
1351 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1352 requisition->width = 1;
1353 /* FIXME: This could actually be set on one page docs or docs
1354 * with a strange aspect ratio. */
1355 /* requisition->height = 1;*/
1360 ev_view_size_request_dual_page (EvView *view,
1361 GtkRequisition *requisition)
1366 /* Find the largest of the two. */
1367 ev_page_cache_get_size (view->page_cache,
1372 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) {
1373 gint width_2, height_2;
1374 ev_page_cache_get_size (view->page_cache,
1375 view->current_page + 1,
1378 &width_2, &height_2);
1379 if (width_2 > width) {
1384 compute_border (view, width, height, &border);
1386 requisition->width = ((width + border.left + border.right) * 2) +
1387 (view->spacing * 3);
1388 requisition->height = (height + border.top + border.bottom) +
1389 (view->spacing * 2);
1391 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1392 requisition->width = 1;
1393 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1394 requisition->width = 1;
1395 requisition->height = 1;
1400 ev_view_size_request_single_page (EvView *view,
1401 GtkRequisition *requisition)
1406 ev_page_cache_get_size (view->page_cache,
1411 compute_border (view, width, height, &border);
1413 requisition->width = width + border.left + border.right + (2 * view->spacing);
1414 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1416 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1417 requisition->width = 1;
1418 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1419 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1420 requisition->width = 1;
1421 requisition->height = 1;
1426 ev_view_size_request (GtkWidget *widget,
1427 GtkRequisition *requisition)
1429 EvView *view = EV_VIEW (widget);
1431 if (view->document == NULL) {
1432 requisition->width = 1;
1433 requisition->height = 1;
1437 if (view->presentation) {
1438 requisition->width = 1;
1439 requisition->height = 1;
1443 if (view->continuous && view->dual_page)
1444 ev_view_size_request_continuous_dual_page (view, requisition);
1445 else if (view->continuous)
1446 ev_view_size_request_continuous (view, requisition);
1447 else if (view->dual_page)
1448 ev_view_size_request_dual_page (view, requisition);
1450 ev_view_size_request_single_page (view, requisition);
1454 ev_view_size_allocate (GtkWidget *widget,
1455 GtkAllocation *allocation)
1457 EvView *view = EV_VIEW (widget);
1459 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
1460 view->sizing_mode == EV_SIZING_BEST_FIT) {
1462 g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0);
1464 ev_view_size_request (widget, &widget->requisition);
1467 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
1468 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
1470 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
1471 view->pending_resize = FALSE;
1474 view_update_range_and_current_page (view);
1476 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
1480 ev_view_realize (GtkWidget *widget)
1482 EvView *view = EV_VIEW (widget);
1483 GdkWindowAttr attributes;
1485 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
1488 attributes.window_type = GDK_WINDOW_CHILD;
1489 attributes.wclass = GDK_INPUT_OUTPUT;
1490 attributes.visual = gtk_widget_get_visual (widget);
1491 attributes.colormap = gtk_widget_get_colormap (widget);
1493 attributes.x = widget->allocation.x;
1494 attributes.y = widget->allocation.y;
1495 attributes.width = widget->allocation.width;
1496 attributes.height = widget->allocation.height;
1497 attributes.event_mask = GDK_EXPOSURE_MASK |
1498 GDK_BUTTON_PRESS_MASK |
1499 GDK_BUTTON_RELEASE_MASK |
1501 GDK_KEY_PRESS_MASK |
1502 GDK_POINTER_MOTION_MASK |
1503 GDK_POINTER_MOTION_HINT_MASK |
1504 GDK_ENTER_NOTIFY_MASK |
1505 GDK_LEAVE_NOTIFY_MASK;
1507 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
1509 GDK_WA_X | GDK_WA_Y |
1512 gdk_window_set_user_data (widget->window, widget);
1513 widget->style = gtk_style_attach (widget->style, widget->window);
1515 if (view->presentation)
1516 gdk_window_set_background (widget->window, &widget->style->black);
1518 gdk_window_set_background (widget->window, &widget->style->mid [GTK_STATE_NORMAL]);
1522 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
1524 EvView *view = EV_VIEW (widget);
1527 state = event->state & gtk_accelerator_get_default_mod_mask ();
1529 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
1530 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1532 if (event->direction == GDK_SCROLL_UP ||
1533 event->direction == GDK_SCROLL_LEFT) {
1534 if (ev_view_can_zoom_in (view)) {
1535 ev_view_zoom_in (view);
1538 if (ev_view_can_zoom_out (view)) {
1539 ev_view_zoom_out (view);
1546 view->jump_to_find_result = FALSE;
1547 /* Shift+Wheel scrolls the in the perpendicular direction */
1548 if (state & GDK_SHIFT_MASK) {
1549 if (event->direction == GDK_SCROLL_UP)
1550 event->direction = GDK_SCROLL_LEFT;
1551 if (event->direction == GDK_SCROLL_LEFT)
1552 event->direction = GDK_SCROLL_UP;
1553 if (event->direction == GDK_SCROLL_DOWN)
1554 event->direction = GDK_SCROLL_RIGHT;
1555 if (event->direction == GDK_SCROLL_RIGHT)
1556 event->direction = GDK_SCROLL_DOWN;
1558 event->state &= ~GDK_SHIFT_MASK;
1559 state &= ~GDK_SHIFT_MASK;
1562 if (state == 0 && view->presentation) {
1563 switch (event->direction) {
1564 case GDK_SCROLL_DOWN:
1565 case GDK_SCROLL_RIGHT:
1566 ev_view_next_page (view);
1569 case GDK_SCROLL_LEFT:
1570 ev_view_previous_page (view);
1580 static EvViewSelection *
1581 find_selection_for_page (EvView *view,
1586 for (list = view->selection_info.selections; list != NULL; list = list->next) {
1587 EvViewSelection *selection;
1589 selection = (EvViewSelection *) list->data;
1591 if (selection->page == page)
1599 ev_view_expose_event (GtkWidget *widget,
1600 GdkEventExpose *event)
1602 EvView *view = EV_VIEW (widget);
1605 if (view->loading) {
1606 draw_loading_text (view,
1607 &(widget->allocation),
1611 if (view->document == NULL)
1614 for (i = view->start_page; i <= view->end_page; i++) {
1615 GdkRectangle page_area;
1618 if (!get_page_extents (view, i, &page_area, &border))
1621 page_area.x -= view->scroll_x;
1622 page_area.y -= view->scroll_y;
1624 draw_one_page (view, i, &page_area, &border, &(event->area));
1626 if (EV_IS_DOCUMENT_FIND (view->document))
1627 highlight_find_results (view, i);
1634 ev_view_popup_menu (GtkWidget *widget)
1638 EvView *view = EV_VIEW (widget);
1640 gtk_widget_get_pointer (widget, &x, &y);
1641 link = ev_view_get_link_at_location (view, x, y);
1642 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
1647 ev_view_button_press_event (GtkWidget *widget,
1648 GdkEventButton *event)
1650 EvView *view = EV_VIEW (widget);
1653 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
1654 gtk_widget_grab_focus (widget);
1657 view->pressed_button = event->button;
1658 view->selection_info.in_drag = FALSE;
1660 switch (event->button) {
1662 if (view->selection_info.selections) {
1663 if (location_in_selected_text (view,
1664 event->x + view->scroll_x,
1665 event->y + view->scroll_y)) {
1666 view->selection_info.in_drag = TRUE;
1668 clear_selection (view);
1671 gtk_widget_queue_draw (widget);
1674 view->selection_info.start.x = event->x + view->scroll_x;
1675 view->selection_info.start.y = event->y + view->scroll_y;
1679 /* use root coordinates as reference point because
1680 * scrolling changes window relative coordinates */
1681 view->drag_info.start.x = event->x_root;
1682 view->drag_info.start.y = event->y_root;
1683 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
1684 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
1686 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1690 link = ev_view_get_link_at_location (view, event->x, event->y);
1691 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
1699 ev_view_drag_data_get (GtkWidget *widget,
1700 GdkDragContext *context,
1701 GtkSelectionData *selection_data,
1705 EvView *view = EV_VIEW (widget);
1707 if (view->selection_info.selections &&
1708 ev_document_can_get_text (view->document)) {
1711 text = get_selected_text (view);
1713 gtk_selection_data_set_text (selection_data, text, strlen (text));
1720 selection_update_idle_cb (EvView *view)
1722 compute_selections (view, &view->selection_info.start, &view->motion);
1723 view->selection_update_id = 0;
1728 selection_scroll_timeout_cb (EvView *view)
1730 gint x, y, shift = 0;
1731 GtkWidget *widget = GTK_WIDGET (view);
1733 gtk_widget_get_pointer (widget, &x, &y);
1735 if (y > widget->allocation.height) {
1736 shift = (y - widget->allocation.height) / 2;
1742 gtk_adjustment_set_value (view->vadjustment,
1743 CLAMP (view->vadjustment->value + shift,
1744 view->vadjustment->lower,
1745 view->vadjustment->upper -
1746 view->vadjustment->page_size));
1748 if (x > widget->allocation.width) {
1749 shift = (x - widget->allocation.width) / 2;
1755 gtk_adjustment_set_value (view->hadjustment,
1756 CLAMP (view->hadjustment->value + shift,
1757 view->hadjustment->lower,
1758 view->hadjustment->upper -
1759 view->hadjustment->page_size));
1765 ev_view_motion_notify_event (GtkWidget *widget,
1766 GdkEventMotion *event)
1768 EvView *view = EV_VIEW (widget);
1771 if (!view->document)
1774 if (event->is_hint || event->window != widget->window) {
1775 gtk_widget_get_pointer (widget, &x, &y);
1781 if (view->selection_info.in_drag) {
1782 if (gtk_drag_check_threshold (widget,
1783 view->selection_info.start.x,
1784 view->selection_info.start.y,
1786 GdkDragContext *context;
1787 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
1789 gtk_target_list_add_text_targets (target_list, 0);
1791 context = gtk_drag_begin (widget, target_list,
1793 1, (GdkEvent *)event);
1795 view->selection_info.in_drag = FALSE;
1797 gtk_target_list_unref (target_list);
1803 /* For the Evince 0.4.x release, we limit selection to un-rotated
1806 if (view->pressed_button == 1 && view->rotation == 0) {
1808 /* Schedule timeout to scroll during selection and additionally
1809 * scroll once to allow arbitrary speed. */
1810 if (!view->selection_scroll_id)
1811 view->selection_scroll_id = g_timeout_add (SCROLL_TIME, (GSourceFunc)selection_scroll_timeout_cb, view);
1813 selection_scroll_timeout_cb (view);
1815 view->selection_info.in_selection = TRUE;
1816 view->motion.x = x + view->scroll_x;
1817 view->motion.y = y + view->scroll_y;
1819 /* Queue an idle to handle the motion. We do this because
1820 * handling any selection events in the motion could be slower
1821 * than new motion events reach us. We always put it in the
1822 * idle to make sure we catch up and don't visibly lag the
1824 if (!view->selection_update_id)
1825 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
1828 } else if (view->pressed_button == 2) {
1829 if (!view->drag_info.in_drag) {
1832 start = gtk_drag_check_threshold (widget,
1833 view->drag_info.start.x,
1834 view->drag_info.start.y,
1837 view->drag_info.in_drag = start;
1840 if (view->drag_info.in_drag) {
1842 gdouble dhadj_value, dvadj_value;
1844 dx = event->x_root - view->drag_info.start.x;
1845 dy = event->y_root - view->drag_info.start.y;
1847 dhadj_value = view->hadjustment->page_size *
1848 (gdouble)dx / widget->allocation.width;
1849 dvadj_value = view->vadjustment->page_size *
1850 (gdouble)dy / widget->allocation.height;
1852 /* clamp scrolling to visible area */
1853 gtk_adjustment_set_value (view->hadjustment,
1854 MIN(view->drag_info.hadj - dhadj_value,
1855 view->hadjustment->upper -
1856 view->hadjustment->page_size));
1857 gtk_adjustment_set_value (view->vadjustment,
1858 MIN(view->drag_info.vadj - dvadj_value,
1859 view->vadjustment->upper -
1860 view->vadjustment->page_size));
1864 /* For the Evince 0.4.x release, we limit links to un-rotated documents
1867 } else if (view->pressed_button <= 0 &&
1868 view->rotation == 0) {
1869 handle_link_over_xy (view, x, y);
1877 ev_view_button_release_event (GtkWidget *widget,
1878 GdkEventButton *event)
1880 EvView *view = EV_VIEW (widget);
1883 if (view->pressed_button == 2) {
1884 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1887 if (view->document) {
1888 link = ev_view_get_link_at_location (view, event->x, event->y);
1893 view->pressed_button = -1;
1894 view->drag_info.in_drag = FALSE;
1896 if (view->selection_scroll_id) {
1897 g_source_remove (view->selection_scroll_id);
1898 view->selection_scroll_id = 0;
1900 if (view->selection_update_id) {
1901 g_source_remove (view->selection_update_id);
1902 view->selection_update_id = 0;
1905 if (view->selection_info.selections) {
1906 ev_view_update_primary_selection (view);
1908 if (view->selection_info.in_drag) {
1909 clear_selection (view);
1910 gtk_widget_queue_draw (widget);
1913 view->selection_info.in_drag = FALSE;
1915 ev_view_goto_link (view, link);
1916 } else if (view->presentation) {
1917 switch (event->button) {
1919 ev_view_next_page (view);
1922 ev_view_previous_page (view);
1931 ev_view_focus_in (GtkWidget *widget,
1932 GdkEventFocus *event)
1934 if (EV_VIEW (widget)->pixbuf_cache)
1935 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
1936 gtk_widget_queue_draw (widget);
1942 ev_view_focus_out (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_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
1955 EvView *view = EV_VIEW (widget);
1957 ev_view_set_status (view, NULL);
1959 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1960 view->cursor == EV_VIEW_CURSOR_IBEAM)
1961 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1963 if (view->link_tooltip) {
1964 view->hovered_link = NULL;
1965 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
1972 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
1974 EvView *view = EV_VIEW (widget);
1976 handle_link_over_xy (view, event->x, event->y);
1982 ev_view_style_set (GtkWidget *widget,
1983 GtkStyle *old_style)
1985 if (EV_VIEW (widget)->pixbuf_cache)
1986 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
1988 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
1994 ev_gdk_color_to_rgb (const GdkColor *color)
1997 result = (0xff0000 | (color->red & 0xff00));
1999 result |= ((color->green & 0xff00) | (color->blue >> 8));
2004 draw_rubberband (GtkWidget *widget, GdkWindow *window,
2005 const GdkRectangle *rect, guchar alpha)
2009 GdkColor *fill_color_gdk;
2012 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
2013 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
2015 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
2016 rect->width, rect->height);
2017 gdk_pixbuf_fill (pixbuf, fill_color);
2019 gdk_draw_pixbuf (window, NULL, pixbuf,
2021 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
2022 rect->width, rect->height,
2023 GDK_RGB_DITHER_NONE,
2026 g_object_unref (pixbuf);
2028 gc = gdk_gc_new (window);
2029 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
2030 gdk_draw_rectangle (window, gc, FALSE,
2031 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
2034 g_object_unref (gc);
2036 gdk_color_free (fill_color_gdk);
2041 highlight_find_results (EvView *view, int page)
2043 EvDocumentFind *find;
2046 g_return_if_fail (EV_IS_DOCUMENT_FIND (view->document));
2048 find = EV_DOCUMENT_FIND (view->document);
2050 results = ev_document_find_get_n_results (find, page);
2052 for (i = 0; i < results; i++) {
2053 EvRectangle rectangle;
2054 GdkRectangle view_rectangle;
2057 if (i == view->find_result && page == view->current_page) {
2063 ev_document_find_get_result (find, page, i, &rectangle);
2064 doc_rect_to_view_rect (view, page, &rectangle, &view_rectangle);
2065 draw_rubberband (GTK_WIDGET (view), GTK_WIDGET(view)->window,
2066 &view_rectangle, alpha);
2071 draw_loading_text (EvView *view,
2072 GdkRectangle *page_area,
2073 GdkRectangle *expose_area)
2075 PangoLayout *layout;
2076 PangoFontDescription *font_desc;
2077 PangoRectangle logical_rect;
2081 const char *loading_text = _("Loading...");
2083 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
2085 font_desc = pango_font_description_new ();
2088 /* We set the font to be 10 points, get the size, and scale appropriately */
2089 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
2090 pango_layout_set_font_description (layout, font_desc);
2091 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2093 /* Make sure we fit the middle of the page */
2094 target_width = MAX (page_area->width / 2, 1);
2095 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
2096 pango_font_description_set_size (font_desc, (int)real_scale);
2097 pango_layout_set_font_description (layout, font_desc);
2098 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2100 gtk_paint_layout (GTK_WIDGET (view)->style,
2101 GTK_WIDGET (view)->window,
2102 GTK_WIDGET_STATE (view),
2107 page_area->x + (target_width/2),
2108 page_area->y + (page_area->height - logical_rect.height) / 2,
2111 pango_font_description_free (font_desc);
2112 g_object_unref (layout);
2116 draw_one_page (EvView *view,
2118 GdkRectangle *page_area,
2120 GdkRectangle *expose_area)
2123 GdkPixbuf *current_pixbuf;
2124 GdkRectangle overlap;
2125 GdkRectangle real_page_area;
2126 EvViewSelection *selection;
2129 g_assert (view->document);
2131 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
2134 current_page = ev_page_cache_get_current_page (view->page_cache);
2135 selection = find_selection_for_page (view, page);
2136 ev_page_cache_get_size (view->page_cache,
2137 page, view->rotation,
2140 /* Render the document itself */
2141 real_page_area = *page_area;
2143 real_page_area.x += border->left;
2144 real_page_area.y += border->top;
2145 real_page_area.width -= (border->left + border->right);
2146 real_page_area.height -= (border->top + border->bottom);
2148 ev_document_misc_paint_one_page (GTK_WIDGET(view)->window,
2151 page == current_page);
2153 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
2154 GdkPixbuf *selection_pixbuf = NULL;
2155 GdkPixbuf *scaled_image;
2156 GdkPixbuf *scaled_selection;
2158 current_pixbuf = ev_pixbuf_cache_get_pixbuf (view->pixbuf_cache, page);
2160 /* Get the selection pixbuf iff we have something to draw */
2161 if (current_pixbuf && view->selection_mode == EV_VIEW_SELECTION_TEXT && selection)
2162 selection_pixbuf = ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
2167 if (current_pixbuf == NULL)
2168 scaled_image = NULL;
2169 else if (width == gdk_pixbuf_get_width (current_pixbuf) &&
2170 height == gdk_pixbuf_get_height (current_pixbuf))
2171 scaled_image = g_object_ref (current_pixbuf);
2173 /* FIXME: We don't want to scale the whole area, just the right
2175 scaled_image = gdk_pixbuf_scale_simple (current_pixbuf,
2177 GDK_INTERP_NEAREST);
2179 if (selection_pixbuf == NULL)
2180 scaled_selection = NULL;
2181 else if (width == gdk_pixbuf_get_width (selection_pixbuf) &&
2182 height == gdk_pixbuf_get_height (selection_pixbuf))
2183 scaled_selection = g_object_ref (selection_pixbuf);
2185 /* FIXME: We don't want to scale the whole area, just the right
2187 scaled_selection = gdk_pixbuf_scale_simple (selection_pixbuf,
2189 GDK_INTERP_NEAREST);
2192 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2193 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2195 overlap.x - real_page_area.x,
2196 overlap.y - real_page_area.y,
2197 overlap.x, overlap.y,
2198 overlap.width, overlap.height,
2199 GDK_RGB_DITHER_NORMAL,
2201 g_object_unref (scaled_image);
2203 draw_loading_text (view,
2208 if (scaled_selection) {
2209 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2210 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2212 overlap.x - real_page_area.x,
2213 overlap.y - real_page_area.y,
2214 overlap.x, overlap.y,
2215 overlap.width, overlap.height,
2216 GDK_RGB_DITHER_NORMAL,
2218 g_object_unref (scaled_selection);
2223 /*** GObject functions ***/
2226 ev_view_finalize (GObject *object)
2228 EvView *view = EV_VIEW (object);
2232 g_free (view->status);
2233 g_free (view->find_status);
2235 clear_selection (view);
2237 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
2241 ev_view_destroy (GtkObject *object)
2243 EvView *view = EV_VIEW (object);
2245 if (view->document) {
2246 g_object_unref (view->document);
2247 view->document = NULL;
2250 if (view->pixbuf_cache) {
2251 g_object_unref (view->pixbuf_cache);
2252 view->pixbuf_cache = NULL;
2255 if (view->link_tooltip) {
2256 gtk_widget_destroy (view->link_tooltip);
2259 if (view->selection_scroll_id) {
2260 g_source_remove (view->selection_scroll_id);
2261 view->selection_scroll_id = 0;
2264 if (view->selection_update_id) {
2265 g_source_remove (view->selection_update_id);
2266 view->selection_update_id = 0;
2269 ev_view_set_scroll_adjustments (view, NULL, NULL);
2271 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
2275 ev_view_set_property (GObject *object,
2277 const GValue *value,
2280 EvView *view = EV_VIEW (object);
2284 case PROP_CONTINUOUS:
2285 ev_view_set_continuous (view, g_value_get_boolean (value));
2287 case PROP_DUAL_PAGE:
2288 ev_view_set_dual_page (view, g_value_get_boolean (value));
2290 case PROP_FULLSCREEN:
2291 ev_view_set_fullscreen (view, g_value_get_boolean (value));
2293 case PROP_PRESENTATION:
2294 ev_view_set_presentation (view, g_value_get_boolean (value));
2296 case PROP_SIZING_MODE:
2297 ev_view_set_sizing_mode (view, g_value_get_enum (value));
2300 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
2303 ev_view_set_rotation (view, g_value_get_int (value));
2306 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2311 ev_view_get_accessible (GtkWidget *widget)
2313 static gboolean first_time = TRUE;
2316 AtkObjectFactory *factory;
2317 AtkRegistry *registry;
2319 GType derived_atk_type;
2322 * Figure out whether accessibility is enabled by looking at the
2323 * type of the accessible object which would be created for
2324 * the parent type of EvView.
2326 derived_type = g_type_parent (EV_TYPE_VIEW);
2328 registry = atk_get_default_registry ();
2329 factory = atk_registry_get_factory (registry,
2331 derived_atk_type = atk_object_factory_get_accessible_type (factory);
2332 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
2333 atk_registry_set_factory_type (registry,
2335 ev_view_accessible_factory_get_type ());
2338 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
2342 ev_view_get_property (GObject *object,
2347 EvView *view = EV_VIEW (object);
2352 g_value_set_string (value, view->status);
2354 case PROP_FIND_STATUS:
2355 g_value_set_string (value, view->status);
2357 case PROP_CONTINUOUS:
2358 g_value_set_boolean (value, view->continuous);
2360 case PROP_DUAL_PAGE:
2361 g_value_set_boolean (value, view->dual_page);
2363 case PROP_FULLSCREEN:
2364 g_value_set_boolean (value, view->fullscreen);
2366 case PROP_PRESENTATION:
2367 g_value_set_boolean (value, view->presentation);
2369 case PROP_SIZING_MODE:
2370 g_value_set_enum (value, view->sizing_mode);
2373 g_value_set_double (value, view->scale);
2376 g_value_set_int (value, view->rotation);
2378 case PROP_HAS_SELECTION:
2379 g_value_set_boolean (value,
2380 view->selection_info.selections != NULL);
2383 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2388 ev_view_class_init (EvViewClass *class)
2390 GObjectClass *object_class = G_OBJECT_CLASS (class);
2391 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
2392 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
2393 GtkBindingSet *binding_set;
2395 object_class->finalize = ev_view_finalize;
2396 object_class->set_property = ev_view_set_property;
2397 object_class->get_property = ev_view_get_property;
2399 widget_class->expose_event = ev_view_expose_event;
2400 widget_class->button_press_event = ev_view_button_press_event;
2401 widget_class->motion_notify_event = ev_view_motion_notify_event;
2402 widget_class->button_release_event = ev_view_button_release_event;
2403 widget_class->focus_in_event = ev_view_focus_in;
2404 widget_class->focus_out_event = ev_view_focus_out;
2405 widget_class->get_accessible = ev_view_get_accessible;
2406 widget_class->size_request = ev_view_size_request;
2407 widget_class->size_allocate = ev_view_size_allocate;
2408 widget_class->realize = ev_view_realize;
2409 widget_class->scroll_event = ev_view_scroll_event;
2410 widget_class->enter_notify_event = ev_view_enter_notify_event;
2411 widget_class->leave_notify_event = ev_view_leave_notify_event;
2412 widget_class->style_set = ev_view_style_set;
2413 widget_class->drag_data_get = ev_view_drag_data_get;
2414 widget_class->popup_menu = ev_view_popup_menu;
2415 gtk_object_class->destroy = ev_view_destroy;
2417 class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
2418 class->binding_activated = ev_view_scroll;
2420 widget_class->set_scroll_adjustments_signal =
2421 g_signal_new ("set-scroll-adjustments",
2422 G_OBJECT_CLASS_TYPE (object_class),
2423 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2424 G_STRUCT_OFFSET (EvViewClass, set_scroll_adjustments),
2426 ev_marshal_VOID__OBJECT_OBJECT,
2428 GTK_TYPE_ADJUSTMENT,
2429 GTK_TYPE_ADJUSTMENT);
2431 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
2432 G_TYPE_FROM_CLASS (object_class),
2433 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2434 G_STRUCT_OFFSET (EvViewClass, binding_activated),
2436 ev_marshal_VOID__ENUM_BOOLEAN,
2438 GTK_TYPE_SCROLL_TYPE,
2441 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
2442 G_TYPE_FROM_CLASS (object_class),
2443 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2444 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
2446 ev_marshal_VOID__VOID,
2447 G_TYPE_NONE, 0, G_TYPE_NONE);
2448 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
2449 G_TYPE_FROM_CLASS (object_class),
2450 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2451 G_STRUCT_OFFSET (EvViewClass, external_link),
2453 g_cclosure_marshal_VOID__OBJECT,
2456 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
2457 G_TYPE_FROM_CLASS (object_class),
2458 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2459 G_STRUCT_OFFSET (EvViewClass, popup_menu),
2461 g_cclosure_marshal_VOID__OBJECT,
2465 g_object_class_install_property (object_class,
2467 g_param_spec_string ("status",
2469 "The status message",
2473 g_object_class_install_property (object_class,
2475 g_param_spec_string ("find-status",
2476 "Find Status Message",
2477 "The find status message",
2481 g_object_class_install_property (object_class,
2483 g_param_spec_boolean ("continuous",
2485 "Continuous scrolling mode",
2487 G_PARAM_READWRITE));
2489 g_object_class_install_property (object_class,
2491 g_param_spec_boolean ("dual-page",
2493 "Two pages visible at once",
2495 G_PARAM_READWRITE));
2496 g_object_class_install_property (object_class,
2498 g_param_spec_boolean ("fullscreen",
2500 "Draw page in a fullscreen fashion",
2502 G_PARAM_READWRITE));
2503 g_object_class_install_property (object_class,
2505 g_param_spec_boolean ("presentation",
2507 "Draw page in presentation mode",
2509 G_PARAM_READWRITE));
2511 g_object_class_install_property (object_class,
2513 g_param_spec_enum ("sizing-mode",
2516 EV_TYPE_SIZING_MODE,
2517 EV_SIZING_FIT_WIDTH,
2518 G_PARAM_READWRITE));
2520 g_object_class_install_property (object_class,
2522 g_param_spec_double ("zoom",
2528 G_PARAM_READWRITE));
2529 g_object_class_install_property (object_class,
2531 g_param_spec_double ("rotation",
2537 G_PARAM_READWRITE));
2538 g_object_class_install_property (object_class,
2540 g_param_spec_boolean ("has-selection",
2542 "The view has selections",
2546 binding_set = gtk_binding_set_by_class (class);
2548 add_scroll_binding_keypad (binding_set, GDK_Left, 0, EV_SCROLL_STEP_BACKWARD, TRUE);
2549 add_scroll_binding_keypad (binding_set, GDK_Right, 0, EV_SCROLL_STEP_FORWARD, TRUE);
2550 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, TRUE);
2551 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, TRUE);
2552 add_scroll_binding_keypad (binding_set, GDK_Up, 0, EV_SCROLL_STEP_BACKWARD, FALSE);
2553 add_scroll_binding_keypad (binding_set, GDK_Down, 0, EV_SCROLL_STEP_FORWARD, FALSE);
2554 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, FALSE);
2555 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, FALSE);
2559 ev_view_init (EvView *view)
2561 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
2565 view->current_page = 0;
2566 view->pressed_button = -1;
2567 view->cursor = EV_VIEW_CURSOR_NORMAL;
2568 view->drag_info.in_drag = FALSE;
2569 view->selection_info.selections = NULL;
2570 view->selection_info.in_selection = FALSE;
2571 view->selection_info.in_drag = FALSE;
2572 view->selection_mode = EV_VIEW_SELECTION_TEXT;
2573 view->continuous = TRUE;
2574 view->dual_page = FALSE;
2575 view->presentation = FALSE;
2576 view->fullscreen = FALSE;
2577 view->sizing_mode = EV_SIZING_FIT_WIDTH;
2578 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2579 view->jump_to_find_result = TRUE;
2585 find_changed_cb (EvDocument *document, int page, EvView *view)
2590 percent = ev_document_find_get_progress
2591 (EV_DOCUMENT_FIND (view->document));
2592 n_pages = ev_page_cache_get_n_pages (view->page_cache);
2594 if (view->jump_to_find_result == TRUE) {
2595 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
2596 jump_to_find_result (view);
2598 update_find_status_message (view, percent * n_pages >= n_pages - 1 );
2599 if (view->current_page == page)
2600 gtk_widget_queue_draw (GTK_WIDGET (view));
2604 job_finished_cb (EvPixbufCache *pixbuf_cache,
2607 gtk_widget_queue_draw (GTK_WIDGET (view));
2611 page_changed_cb (EvPageCache *page_cache,
2615 if (view->current_page != new_page) {
2616 view->current_page = new_page;
2617 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2618 gtk_widget_queue_resize (GTK_WIDGET (view));
2620 gtk_widget_queue_draw (GTK_WIDGET (view));
2623 if (EV_IS_DOCUMENT_FIND (view->document)) {
2624 view->find_result = 0;
2625 update_find_status_message (view, TRUE);
2629 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
2634 if (! GTK_WIDGET_REALIZED (view))
2637 if (view->hadjustment) {
2638 dx = view->scroll_x - (int) view->hadjustment->value;
2639 view->scroll_x = (int) view->hadjustment->value;
2644 if (view->vadjustment) {
2645 dy = view->scroll_y - (int) view->vadjustment->value;
2646 view->scroll_y = (int) view->vadjustment->value;
2652 if (view->pending_resize)
2653 gtk_widget_queue_draw (GTK_WIDGET (view));
2655 gdk_window_scroll (GTK_WIDGET (view)->window, dx, dy);
2659 view_update_range_and_current_page (view);
2667 view = g_object_new (EV_TYPE_VIEW, NULL);
2673 setup_caches (EvView *view)
2675 view->page_cache = ev_page_cache_get (view->document);
2676 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
2677 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
2678 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
2682 clear_caches (EvView *view)
2684 if (view->pixbuf_cache) {
2685 g_object_unref (view->pixbuf_cache);
2686 view->pixbuf_cache = NULL;
2689 if (view->page_cache) {
2690 view->page_cache = NULL;
2695 ev_view_set_loading (EvView *view,
2698 view->loading = loading;
2699 gtk_widget_queue_draw (GTK_WIDGET (view));
2703 ev_view_set_document (EvView *view,
2704 EvDocument *document)
2706 g_return_if_fail (EV_IS_VIEW (view));
2708 view->loading = FALSE;
2710 if (document != view->document) {
2711 clear_caches (view);
2713 if (view->document) {
2714 g_signal_handlers_disconnect_by_func (view->document,
2717 g_object_unref (view->document);
2718 view->page_cache = NULL;
2722 view->document = document;
2723 view->find_result = 0;
2725 if (view->document) {
2726 g_object_ref (view->document);
2727 if (EV_IS_DOCUMENT_FIND (view->document)) {
2728 g_signal_connect (view->document,
2730 G_CALLBACK (find_changed_cb),
2734 setup_caches (view);
2737 gtk_widget_queue_resize (GTK_WIDGET (view));
2741 /*** Zoom and sizing mode ***/
2743 #define EPSILON 0.0000001
2745 ev_view_set_zoom (EvView *view,
2752 scale = view->scale * factor;
2756 scale = CLAMP (scale, MIN_SCALE, MAX_SCALE);
2758 if (ABS (view->scale - scale) < EPSILON)
2761 view->scale = scale;
2762 view->pending_resize = TRUE;
2764 gtk_widget_queue_resize (GTK_WIDGET (view));
2766 g_object_notify (G_OBJECT (view), "zoom");
2770 ev_view_get_zoom (EvView *view)
2776 ev_view_get_continuous (EvView *view)
2778 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2780 return view->continuous;
2784 ev_view_set_continuous (EvView *view,
2785 gboolean continuous)
2787 g_return_if_fail (EV_IS_VIEW (view));
2789 continuous = continuous != FALSE;
2791 if (view->continuous != continuous) {
2792 view->continuous = continuous;
2793 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2794 gtk_widget_queue_resize (GTK_WIDGET (view));
2797 g_object_notify (G_OBJECT (view), "continuous");
2801 ev_view_get_dual_page (EvView *view)
2803 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2805 return view->dual_page;
2809 ev_view_set_dual_page (EvView *view,
2812 g_return_if_fail (EV_IS_VIEW (view));
2814 dual_page = dual_page != FALSE;
2816 if (view->dual_page == dual_page)
2819 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2820 view->dual_page = dual_page;
2821 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
2822 * preload_cache_size to be 2 if dual_page is set.
2824 gtk_widget_queue_resize (GTK_WIDGET (view));
2826 g_object_notify (G_OBJECT (view), "dual-page");
2830 ev_view_set_fullscreen (EvView *view,
2831 gboolean fullscreen)
2833 g_return_if_fail (EV_IS_VIEW (view));
2835 fullscreen = fullscreen != FALSE;
2837 if (view->fullscreen == fullscreen)
2840 view->fullscreen = fullscreen;
2841 gtk_widget_queue_resize (GTK_WIDGET (view));
2843 g_object_notify (G_OBJECT (view), "fullscreen");
2847 ev_view_get_fullscreen (EvView *view)
2849 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2851 return view->fullscreen;
2855 ev_view_set_presentation (EvView *view,
2856 gboolean presentation)
2858 g_return_if_fail (EV_IS_VIEW (view));
2860 presentation = presentation != FALSE;
2862 if (view->presentation == presentation)
2865 view->presentation = presentation;
2866 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2867 gtk_widget_queue_resize (GTK_WIDGET (view));
2869 if (GTK_WIDGET_REALIZED (view)) {
2870 if (view->presentation)
2871 gdk_window_set_background (GTK_WIDGET(view)->window,
2872 >K_WIDGET (view)->style->black);
2874 gdk_window_set_background (GTK_WIDGET(view)->window,
2875 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
2879 g_object_notify (G_OBJECT (view), "presentation");
2883 ev_view_get_presentation (EvView *view)
2885 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2887 return view->presentation;
2891 ev_view_set_sizing_mode (EvView *view,
2892 EvSizingMode sizing_mode)
2894 g_return_if_fail (EV_IS_VIEW (view));
2896 if (view->sizing_mode == sizing_mode)
2899 view->sizing_mode = sizing_mode;
2900 gtk_widget_queue_resize (GTK_WIDGET (view));
2902 g_object_notify (G_OBJECT (view), "sizing-mode");
2906 ev_view_get_sizing_mode (EvView *view)
2908 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
2910 return view->sizing_mode;
2914 ev_view_can_zoom_in (EvView *view)
2916 return view->scale * ZOOM_IN_FACTOR <= MAX_SCALE;
2920 ev_view_can_zoom_out (EvView *view)
2922 return view->scale * ZOOM_OUT_FACTOR >= MIN_SCALE;
2926 ev_view_zoom_in (EvView *view)
2928 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
2930 view->pending_scroll = SCROLL_TO_CENTER;
2931 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
2935 ev_view_zoom_out (EvView *view)
2937 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
2939 view->pending_scroll = SCROLL_TO_CENTER;
2940 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
2944 ev_view_rotate_right (EvView *view)
2946 int rotation = view->rotation + 90;
2948 if (rotation >= 360) {
2952 ev_view_set_rotation (view, rotation);
2956 ev_view_rotate_left (EvView *view)
2958 int rotation = view->rotation - 90;
2964 ev_view_set_rotation (view, rotation);
2968 ev_view_set_rotation (EvView *view, int rotation)
2970 view->rotation = rotation;
2972 if (view->pixbuf_cache) {
2973 ev_pixbuf_cache_clear (view->pixbuf_cache);
2974 gtk_widget_queue_resize (GTK_WIDGET (view));
2978 clear_selection (view);
2980 g_object_notify (G_OBJECT (view), "rotation");
2984 ev_view_get_rotation (EvView *view)
2986 return view->rotation;
2990 zoom_for_size_fit_width (int doc_width,
2998 scale = (double)target_width / doc_width;
3000 if (doc_height * scale > target_height)
3001 scale = (double) (target_width - vsb_width) / doc_width;
3007 zoom_for_size_fit_height (int doc_width,
3015 scale = (double)target_height / doc_height;
3017 if (doc_width * scale > target_width)
3018 scale = (double) (target_height - vsb_height) / doc_height;
3024 zoom_for_size_best_fit (int doc_width,
3034 w_scale = (double)target_width / doc_width;
3035 h_scale = (double)target_height / doc_height;
3037 if (doc_height * w_scale > target_height)
3038 w_scale = (double) (target_width - vsb_width) / doc_width;
3039 if (doc_width * h_scale > target_width)
3040 h_scale = (double) (target_height - hsb_width) / doc_height;
3042 return MIN (w_scale, h_scale);
3047 ev_view_zoom_for_size_presentation (EvView *view,
3051 int doc_width, doc_height;
3054 ev_page_cache_get_size (view->page_cache,
3060 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
3061 ev_view_set_zoom (view, scale, FALSE);
3065 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
3071 int doc_width, doc_height;
3075 ev_page_cache_get_max_width (view->page_cache,
3079 ev_page_cache_get_max_height (view->page_cache,
3083 compute_border (view, doc_width, doc_height, &border);
3085 doc_width = doc_width * 2;
3086 width -= (2 * (border.left + border.right) + 3 * view->spacing);
3087 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3089 /* FIXME: We really need to calculate the overall height here, not the
3090 * page height. We assume there's always a vertical scrollbar for
3091 * now. We need to fix this. */
3092 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3093 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3094 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3095 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3097 g_assert_not_reached ();
3099 ev_view_set_zoom (view, scale, FALSE);
3103 ev_view_zoom_for_size_continuous (EvView *view,
3109 int doc_width, doc_height;
3113 ev_page_cache_get_max_width (view->page_cache,
3117 ev_page_cache_get_max_height (view->page_cache,
3121 compute_border (view, doc_width, doc_height, &border);
3123 width -= (border.left + border.right + 2 * view->spacing);
3124 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3126 /* FIXME: We really need to calculate the overall height here, not the
3127 * page height. We assume there's always a vertical scrollbar for
3128 * now. We need to fix this. */
3129 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3130 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3131 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3132 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3134 g_assert_not_reached ();
3136 ev_view_set_zoom (view, scale, FALSE);
3140 ev_view_zoom_for_size_dual_page (EvView *view,
3147 gint doc_width, doc_height;
3151 other_page = view->current_page ^ 1;
3153 /* Find the largest of the two. */
3154 ev_page_cache_get_size (view->page_cache,
3158 &doc_width, &doc_height);
3160 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
3161 gint width_2, height_2;
3162 ev_page_cache_get_size (view->page_cache,
3166 &width_2, &height_2);
3167 if (width_2 > doc_width)
3168 doc_width = width_2;
3169 if (height_2 > doc_height)
3170 doc_height = height_2;
3172 compute_border (view, doc_width, doc_height, &border);
3174 doc_width = doc_width * 2;
3175 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
3176 height -= (border.top + border.bottom + 2 * view->spacing);
3178 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3179 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3180 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3181 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3183 g_assert_not_reached ();
3185 ev_view_set_zoom (view, scale, FALSE);
3189 ev_view_zoom_for_size_single_page (EvView *view,
3195 int doc_width, doc_height;
3199 ev_page_cache_get_size (view->page_cache,
3205 /* Get an approximate border */
3206 compute_border (view, width, height, &border);
3208 width -= (border.left + border.right + 2 * view->spacing);
3209 height -= (border.top + border.bottom + 2 * view->spacing);
3211 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3212 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3213 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3214 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3216 g_assert_not_reached ();
3218 ev_view_set_zoom (view, scale, FALSE);
3222 ev_view_set_zoom_for_size (EvView *view,
3228 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
3229 view->sizing_mode == EV_SIZING_BEST_FIT);
3230 g_return_if_fail (width >= 0);
3231 g_return_if_fail (height >= 0);
3233 if (view->document == NULL)
3236 if (view->presentation)
3237 ev_view_zoom_for_size_presentation (view, width, height);
3238 else if (view->continuous && view->dual_page)
3239 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
3240 else if (view->continuous)
3241 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
3242 else if (view->dual_page)
3243 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
3245 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
3248 /*** Status text messages ***/
3251 ev_view_get_status (EvView *view)
3253 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3255 return view->status;
3259 ev_view_set_status (EvView *view, const char *message)
3261 g_return_if_fail (EV_IS_VIEW (view));
3263 if (message != view->status) {
3264 g_free (view->status);
3265 view->status = g_strdup (message);
3266 g_object_notify (G_OBJECT (view), "status");
3271 update_find_status_message (EvView *view, gboolean this_page)
3278 results = ev_document_find_get_n_results
3279 (EV_DOCUMENT_FIND (view->document),
3280 view->current_page);
3281 /* TRANS: Sometimes this could be better translated as
3282 "%d hit(s) on this page". Therefore this string
3283 contains plural cases. */
3284 message = g_strdup_printf (ngettext ("%d found on this page",
3285 "%d found on this page",
3291 percent = ev_document_find_get_progress
3292 (EV_DOCUMENT_FIND (view->document));
3293 message = g_strdup_printf (_("%3d%% remaining to search"),
3294 (int) ((1.0 - percent) * 100));
3297 ev_view_set_find_status (view, message);
3302 ev_view_get_find_status (EvView *view)
3304 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3306 return view->find_status;
3310 ev_view_set_find_status (EvView *view, const char *message)
3312 g_return_if_fail (EV_IS_VIEW (view));
3314 g_free (view->find_status);
3315 view->find_status = g_strdup (message);
3316 g_object_notify (G_OBJECT (view), "find-status");
3322 jump_to_find_result (EvView *view)
3324 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3326 GdkRectangle view_rect;
3328 int page = view->current_page;
3330 n_results = ev_document_find_get_n_results (find, page);
3332 if (n_results > 0 && view->find_result < n_results) {
3333 ev_document_find_get_result
3334 (find, page, view->find_result, &rect);
3336 doc_rect_to_view_rect (view, page, &rect, &view_rect);
3337 ensure_rectangle_is_visible (view, &view_rect);
3343 * @view: #EvView instance
3344 * @direction: Direction to look
3345 * @shift: Shift from current page
3347 * Jumps to the first page that has occurences of searched word.
3348 * Uses a direction where to look and a shift from current page.
3352 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
3356 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3358 for (i = 0; i < n_pages; i++) {
3362 if (direction == EV_VIEW_FIND_NEXT)
3363 page = view->current_page + i;
3365 page = view->current_page - i;
3368 if (page >= n_pages) {
3369 page = page - n_pages;
3372 page = page + n_pages;
3374 has_results = ev_document_find_page_has_results
3375 (EV_DOCUMENT_FIND (view->document), page);
3376 if (has_results == -1) {
3378 } else if (has_results == 1) {
3379 ev_page_cache_set_current_page (view->page_cache, page);
3386 ev_view_can_find_next (EvView *view)
3388 if (EV_IS_DOCUMENT_FIND (view->document)) {
3389 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3392 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3393 for (i = 0; i < n_pages; i++) {
3394 if (ev_document_find_get_n_results (find, i) > 0) {
3404 ev_view_find_next (EvView *view)
3406 int n_results, n_pages;
3407 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3409 n_results = ev_document_find_get_n_results (find, view->current_page);
3411 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3413 view->find_result++;
3415 if (view->find_result >= n_results) {
3417 view->find_result = 0;
3418 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
3419 jump_to_find_result (view);
3421 jump_to_find_result (view);
3422 gtk_widget_queue_draw (GTK_WIDGET (view));
3427 ev_view_find_previous (EvView *view)
3429 int n_results, n_pages;
3430 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3431 EvPageCache *page_cache;
3433 page_cache = ev_page_cache_get (view->document);
3435 n_results = ev_document_find_get_n_results (find, view->current_page);
3437 n_pages = ev_page_cache_get_n_pages (page_cache);
3439 view->find_result--;
3441 if (view->find_result < 0) {
3443 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
3444 view->find_result = ev_document_find_get_n_results (find, view->current_page) - 1;
3445 jump_to_find_result (view);
3447 jump_to_find_result (view);
3448 gtk_widget_queue_draw (GTK_WIDGET (view));
3452 void ev_view_search_changed (EvView *view)
3454 /* search string has changed, focus on new search result */
3455 view->jump_to_find_result = TRUE;
3458 /*** Selections ***/
3460 /* compute_new_selection_rect/text calculates the area currently selected by
3461 * view_rect. each handles a different mode;
3464 compute_new_selection_rect (EvView *view,
3468 GdkRectangle view_rect;
3472 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
3474 view_rect.x = MIN (start->x, stop->x);
3475 view_rect.y = MIN (start->y, stop->y);
3476 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
3477 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
3479 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3481 for (i = 0; i < n_pages; i++) {
3482 GdkRectangle page_area;
3485 if (get_page_extents (view, i, &page_area, &border)) {
3486 GdkRectangle overlap;
3488 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
3489 EvViewSelection *selection;
3491 selection = g_new0 (EvViewSelection, 1);
3492 selection->page = i;
3493 view_rect_to_doc_rect (view, &overlap, &page_area,
3494 &(selection->rect));
3496 list = g_list_append (list, selection);
3505 gdk_rectangle_point_in (GdkRectangle *rectangle,
3508 return rectangle->x <= point->x &&
3509 rectangle->y <= point->y &&
3510 point->x < rectangle->x + rectangle->width &&
3511 point->y < rectangle->y + rectangle->height;
3515 compute_new_selection_text (EvView *view,
3519 int n_pages, i, first, last;
3521 EvViewSelection *selection;
3523 int start_page, end_page;
3525 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
3527 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3529 /* First figure out the range of pages the selection
3533 if (view->continuous) {
3536 } else if (view->dual_page) {
3537 start_page = view->start_page;
3538 end_page = view->end_page + 1;
3540 start_page = view->current_page;
3541 end_page = view->current_page + 1;
3544 for (i = start_page; i < end_page; i++) {
3545 GdkRectangle page_area;
3548 get_page_extents (view, i, &page_area, &border);
3549 if (gdk_rectangle_point_in (&page_area, start) ||
3550 gdk_rectangle_point_in (&page_area, stop)) {
3551 if (first == n_pages)
3560 /* Now create a list of EvViewSelection's for the affected
3561 * pages. This could be an empty list, a list of just one
3562 * page or a number of pages.*/
3563 for (i = first; i < last + 1; i++) {
3564 GdkRectangle page_area;
3568 ev_page_cache_get_size (view->page_cache, i,
3570 1.0, &width, &height);
3572 selection = g_new0 (EvViewSelection, 1);
3573 selection->page = i;
3574 selection->rect.x1 = selection->rect.y1 = 0;
3575 selection->rect.x2 = width;
3576 selection->rect.y2 = height;
3578 get_page_extents (view, i, &page_area, &border);
3580 if (gdk_rectangle_point_in (&page_area, start))
3586 view_point_to_doc_point (view, point, &page_area,
3587 &selection->rect.x1,
3588 &selection->rect.y1);
3590 /* If the selection is contained within just one page,
3591 * make sure we don't write 'start' into both points
3592 * in selection->rect. */
3597 view_point_to_doc_point (view, point, &page_area,
3598 &selection->rect.x2,
3599 &selection->rect.y2);
3601 list = g_list_append (list, selection);
3607 /* This function takes the newly calculated list, and figures out which regions
3608 * have changed. It then queues a redraw approporiately.
3611 merge_selection_region (EvView *view,
3615 GList *new_list_ptr, *old_list_ptr;
3617 /* Update the selection */
3618 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
3619 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
3620 view->selection_info.selections = new_list;
3621 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
3622 g_object_notify (G_OBJECT (view), "has-selection");
3624 new_list_ptr = new_list;
3625 old_list_ptr = old_list;
3627 while (new_list_ptr || old_list_ptr) {
3628 EvViewSelection *old_sel, *new_sel;
3630 GdkRegion *region = NULL;
3632 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
3633 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
3635 /* Assume that the lists are in order, and we run through them
3636 * comparing them, one page at a time. We come out with the
3637 * first page we see. */
3638 if (new_sel && old_sel) {
3639 if (new_sel->page < old_sel->page) {
3640 new_list_ptr = new_list_ptr->next;
3642 } else if (new_sel->page > old_sel->page) {
3643 old_list_ptr = old_list_ptr->next;
3646 new_list_ptr = new_list_ptr->next;
3647 old_list_ptr = old_list_ptr->next;
3649 } else if (new_sel) {
3650 new_list_ptr = new_list_ptr->next;
3651 } else if (old_sel) {
3652 old_list_ptr = old_list_ptr->next;
3655 g_assert (new_sel || old_sel);
3657 /* is the page we're looking at on the screen?*/
3658 cur_page = new_sel ? new_sel->page : old_sel->page;
3659 if (cur_page < view->start_page || cur_page > view->end_page)
3662 /* seed the cache with a new page. We are going to need the new
3665 GdkRegion *tmp_region = NULL;
3666 ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
3671 new_sel->covered_region = gdk_region_copy (tmp_region);
3675 /* Now we figure out what needs redrawing */
3676 if (old_sel && new_sel) {
3677 if (old_sel->covered_region &&
3678 new_sel->covered_region) {
3679 /* We only want to redraw the areas that have
3680 * changed, so we xor the old and new regions
3681 * and redraw if it's different */
3682 region = gdk_region_copy (old_sel->covered_region);
3683 gdk_region_xor (region, new_sel->covered_region);
3684 if (gdk_region_empty (region)) {
3685 gdk_region_destroy (region);
3688 } else if (old_sel->covered_region) {
3689 region = gdk_region_copy (old_sel->covered_region);
3690 } else if (new_sel->covered_region) {
3691 region = gdk_region_copy (new_sel->covered_region);
3693 } else if (old_sel && !new_sel) {
3694 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
3695 region = gdk_region_copy (old_sel->covered_region);
3697 } else if (!old_sel && new_sel) {
3698 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
3699 region = gdk_region_copy (new_sel->covered_region);
3702 g_assert_not_reached ();
3705 /* Redraw the damaged region! */
3707 GdkRectangle page_area;
3710 get_page_extents (view, cur_page, &page_area, &border);
3711 gdk_region_offset (region,
3712 page_area.x + border.left - view->scroll_x,
3713 page_area.y + border.top - view->scroll_y);
3714 gdk_window_invalidate_region (GTK_WIDGET (view)->window, region, TRUE);
3715 gdk_region_destroy (region);
3719 /* Free the old list, now that we're done with it. */
3720 g_list_foreach (old_list, (GFunc) selection_free, NULL);
3724 compute_selections (EvView *view,
3730 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
3731 list = compute_new_selection_rect (view, start, stop);
3733 list = compute_new_selection_text (view, start, stop);
3734 merge_selection_region (view, list);
3737 /* Free's the selection. It's up to the caller to queue redraws if needed.
3740 selection_free (EvViewSelection *selection)
3742 if (selection->covered_region)
3743 gdk_region_destroy (selection->covered_region);
3748 clear_selection (EvView *view)
3750 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
3751 view->selection_info.selections = NULL;
3752 view->selection_info.in_selection = FALSE;
3753 g_object_notify (G_OBJECT (view), "has-selection");
3758 ev_view_select_all (EvView *view)
3762 /* Disable selection on rotated pages for the 0.4.0 series */
3763 if (view->rotation != 0)
3766 clear_selection (view);
3768 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3769 for (i = 0; i < n_pages; i++) {
3771 EvViewSelection *selection;
3773 ev_page_cache_get_size (view->page_cache,
3776 1.0, &width, &height);
3778 selection = g_new0 (EvViewSelection, 1);
3779 selection->page = i;
3780 selection->rect.x1 = selection->rect.y1 = 0;
3781 selection->rect.x2 = width;
3782 selection->rect.y2 = height;
3784 view->selection_info.selections = g_list_append (view->selection_info.selections, selection);
3787 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, view->selection_info.selections);
3788 g_object_notify (G_OBJECT (view), "has-selection");
3789 gtk_widget_queue_draw (GTK_WIDGET (view));
3793 ev_view_get_has_selection (EvView *view)
3795 return view->selection_info.selections != NULL;
3799 get_selected_text (EvView *ev_view)
3804 text = g_string_new (NULL);
3806 ev_document_doc_mutex_lock ();
3808 for (l = ev_view->selection_info.selections; l != NULL; l = l->next) {
3809 EvViewSelection *selection = (EvViewSelection *)l->data;
3812 tmp = ev_document_get_text (ev_view->document,
3815 g_string_append (text, tmp);
3819 ev_document_doc_mutex_unlock ();
3821 return g_string_free (text, FALSE);
3825 ev_view_copy (EvView *ev_view)
3827 GtkClipboard *clipboard;
3830 if (!ev_document_can_get_text (ev_view->document)) {
3834 text = get_selected_text (ev_view);
3835 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
3836 GDK_SELECTION_CLIPBOARD);
3837 gtk_clipboard_set_text (clipboard, text, -1);
3842 ev_view_primary_get_cb (GtkClipboard *clipboard,
3843 GtkSelectionData *selection_data,
3847 EvView *ev_view = EV_VIEW (data);
3850 if (!ev_document_can_get_text (ev_view->document)) {
3854 text = get_selected_text (ev_view);
3855 gtk_selection_data_set_text (selection_data, text, -1);
3860 ev_view_primary_clear_cb (GtkClipboard *clipboard,
3863 EvView *view = EV_VIEW (data);
3865 clear_selection (view);
3869 ev_view_update_primary_selection (EvView *ev_view)
3871 GtkClipboard *clipboard;
3873 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
3874 GDK_SELECTION_PRIMARY);
3876 if (ev_view->selection_info.selections) {
3877 if (!gtk_clipboard_set_with_owner (clipboard,
3879 G_N_ELEMENTS (targets),
3880 ev_view_primary_get_cb,
3881 ev_view_primary_clear_cb,
3882 G_OBJECT (ev_view)))
3883 ev_view_primary_clear_cb (clipboard, ev_view);
3885 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
3886 gtk_clipboard_clear (clipboard);
3890 /*** Cursor operations ***/
3893 ev_view_create_invisible_cursor(void)
3896 GdkColor black = { 0, 0, 0, 0 };
3897 static char bits[] = { 0x00 };
3899 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
3901 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
3905 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
3907 GdkCursor *cursor = NULL;
3908 GdkDisplay *display;
3911 if (view->cursor == new_cursor) {
3915 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
3916 display = gtk_widget_get_display (widget);
3917 view->cursor = new_cursor;
3919 switch (new_cursor) {
3920 case EV_VIEW_CURSOR_NORMAL:
3921 gdk_window_set_cursor (widget->window, NULL);
3923 case EV_VIEW_CURSOR_IBEAM:
3924 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
3926 case EV_VIEW_CURSOR_LINK:
3927 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
3929 case EV_VIEW_CURSOR_WAIT:
3930 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
3932 case EV_VIEW_CURSOR_HIDDEN:
3933 cursor = ev_view_create_invisible_cursor ();
3935 case EV_VIEW_CURSOR_DRAG:
3936 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
3941 gdk_window_set_cursor (widget->window, cursor);
3942 gdk_cursor_unref (cursor);
3948 ev_view_hide_cursor (EvView *view)
3950 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
3954 ev_view_show_cursor (EvView *view)
3956 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
3960 ev_view_next_page (EvView *view)
3964 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3966 page = ev_page_cache_get_current_page (view->page_cache);
3968 if (view->dual_page && !view->presentation)
3973 if (page < ev_page_cache_get_n_pages (view->page_cache)) {
3974 ev_page_cache_set_current_page (view->page_cache, page);
3976 } else if (ev_view_get_dual_page (view) && page == ev_page_cache_get_n_pages (view->page_cache)) {
3977 ev_page_cache_set_current_page (view->page_cache, page - 1);
3985 ev_view_previous_page (EvView *view)
3989 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3991 page = ev_page_cache_get_current_page (view->page_cache);
3993 if (view->dual_page && !view->presentation)
3999 ev_page_cache_set_current_page (view->page_cache, page);
4001 } else if (ev_view_get_dual_page (view) && page == -1) {
4002 ev_page_cache_set_current_page (view->page_cache, 0);
4009 /*** Enum description for usage in signal ***/
4012 ev_sizing_mode_get_type (void)
4014 static GType etype = 0;
4016 static const GEnumValue values[] = {
4017 { EV_SIZING_FIT_WIDTH, "EV_SIZING_FIT_WIDTH", "fit-width" },
4018 { EV_SIZING_BEST_FIT, "EV_SIZING_BEST_FIT", "best-fit" },
4019 { EV_SIZING_FREE, "EV_SIZING_FREE", "free" },
4022 etype = g_enum_register_static ("EvSizingMode", values);
4028 ev_scroll_type_get_type (void)
4030 static GType etype = 0;
4032 static const GEnumValue values[] = {
4033 { EV_SCROLL_PAGE_FORWARD, "EV_SCROLL_PAGE_FORWARD", "scroll-page-forward" },
4034 { EV_SCROLL_PAGE_BACKWARD, "EV_SCROLL_PAGE_BACKWARD", "scroll-page-backward" },
4035 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
4036 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
4037 { EV_SCROLL_STEP_UP, "EV_SCROLL_STEP_UP", "scroll-step-up" },
4038 { EV_SCROLL_STEP_DOWN, "EV_SCROLL_STEP_DOWN", "scroll-step-down" },
4041 etype = g_enum_register_static ("EvScrollType", values);