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 GtkScrollType scroll,
117 gboolean horizontal);
118 static void ev_view_binding_activated (EvView *view,
119 GtkScrollType scroll,
120 gboolean horizontal);
121 static void ensure_rectangle_is_visible (EvView *view,
124 /*** Geometry computations ***/
125 static void compute_border (EvView *view,
129 static void get_page_y_offset (EvView *view,
133 static gboolean get_page_extents (EvView *view,
135 GdkRectangle *page_area,
137 static void view_rect_to_doc_rect (EvView *view,
138 GdkRectangle *view_rect,
139 GdkRectangle *page_area,
140 EvRectangle *doc_rect);
141 static void doc_rect_to_view_rect (EvView *view,
143 EvRectangle *doc_rect,
144 GdkRectangle *view_rect);
145 static void find_page_at_location (EvView *view,
153 static EvLink * ev_view_get_link_at_location (EvView *view,
156 static char* tip_from_link (EvView *view,
158 static void handle_link_over_xy (EvView *view,
161 /*** GtkWidget implementation ***/
162 static void ev_view_size_request_continuous_dual_page (EvView *view,
163 GtkRequisition *requisition);
164 static void ev_view_size_request_continuous (EvView *view,
165 GtkRequisition *requisition);
166 static void ev_view_size_request_dual_page (EvView *view,
167 GtkRequisition *requisition);
168 static void ev_view_size_request_single_page (EvView *view,
169 GtkRequisition *requisition);
170 static void ev_view_size_request (GtkWidget *widget,
171 GtkRequisition *requisition);
172 static void ev_view_size_allocate (GtkWidget *widget,
173 GtkAllocation *allocation);
174 static void ev_view_realize (GtkWidget *widget);
175 static gboolean ev_view_scroll_event (GtkWidget *widget,
176 GdkEventScroll *event);
177 static gboolean ev_view_expose_event (GtkWidget *widget,
178 GdkEventExpose *event);
179 static gboolean ev_view_button_press_event (GtkWidget *widget,
180 GdkEventButton *event);
181 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
182 GdkEventMotion *event);
183 static gboolean ev_view_button_release_event (GtkWidget *widget,
184 GdkEventButton *event);
185 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
186 GdkEventCrossing *event);
187 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
188 GdkEventCrossing *event);
189 static void ev_view_style_set (GtkWidget *widget,
190 GtkStyle *old_style);
192 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
195 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
196 static void draw_rubberband (GtkWidget *widget,
198 const GdkRectangle *rect,
200 static void highlight_find_results (EvView *view,
202 static void draw_one_page (EvView *view,
204 GdkRectangle *page_area,
206 GdkRectangle *expose_area);
209 static void find_changed_cb (EvDocument *document,
212 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
214 static void page_changed_cb (EvPageCache *page_cache,
217 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
221 static void ev_view_finalize (GObject *object);
222 static void ev_view_destroy (GtkObject *object);
223 static void ev_view_set_property (GObject *object,
227 static void ev_view_get_property (GObject *object,
231 static void ev_view_class_init (EvViewClass *class);
232 static void ev_view_init (EvView *view);
234 /*** Zoom and sizing ***/
235 static double zoom_for_size_fit_width (int doc_width,
240 static double zoom_for_size_fit_height (int doc_width,
245 static double zoom_for_size_best_fit (int doc_width,
251 static void ev_view_zoom_for_size_presentation (EvView *view,
254 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
259 static void ev_view_zoom_for_size_continuous (EvView *view,
264 static void ev_view_zoom_for_size_dual_page (EvView *view,
269 static void ev_view_zoom_for_size_single_page (EvView *view,
275 static GdkCursor* ev_view_create_invisible_cursor (void);
276 static void ev_view_set_cursor (EvView *view,
277 EvViewCursor new_cursor);
279 /*** Status messages ***/
280 static void ev_view_set_status (EvView *view,
281 const char *message);
282 static void update_find_status_message (EvView *view);
283 static void ev_view_set_find_status (EvView *view,
284 const char *message);
286 static void jump_to_find_result (EvView *view);
287 static void jump_to_find_page (EvView *view,
288 EvViewFindDirection direction);
291 static void compute_selections (EvView *view,
294 static void clear_selection (EvView *view);
295 static void selection_free (EvViewSelection *selection);
296 static char* get_selected_text (EvView *ev_view);
297 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
298 GtkSelectionData *selection_data,
301 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
303 static void ev_view_update_primary_selection (EvView *ev_view);
306 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_WIDGET)
309 scroll_to_current_page (EvView *view, GtkOrientation orientation)
311 GdkRectangle page_area;
314 if (view->document == NULL) {
318 get_page_extents (view, view->current_page, &page_area, &border);
320 if (orientation == GTK_ORIENTATION_VERTICAL) {
321 if (view->continuous) {
322 gtk_adjustment_clamp_page (view->vadjustment,
323 page_area.y - view->spacing,
324 page_area.y + view->vadjustment->page_size);
326 gtk_adjustment_set_value (view->vadjustment,
327 view->vadjustment->lower);
330 if (view->dual_page) {
331 gtk_adjustment_clamp_page (view->hadjustment,
333 page_area.x + view->hadjustment->page_size);
335 gtk_adjustment_set_value (view->hadjustment,
336 CLAMP (view->hadjustment->value,
337 view->hadjustment->lower,
338 view->hadjustment->upper -
339 view->hadjustment->page_size));
345 view_set_adjustment_values (EvView *view,
346 GtkOrientation orientation)
348 GtkWidget *widget = GTK_WIDGET (view);
349 GtkAdjustment *adjustment;
356 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
357 requisition = widget->requisition.width;
358 allocation = widget->allocation.width;
359 adjustment = view->hadjustment;
361 requisition = widget->requisition.height;
362 allocation = widget->allocation.height;
363 adjustment = view->vadjustment;
370 switch (view->pending_scroll) {
371 case SCROLL_TO_KEEP_POSITION:
372 factor = (adjustment->value) / adjustment->upper;
374 case SCROLL_TO_CURRENT_PAGE:
376 case SCROLL_TO_CENTER:
377 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
381 adjustment->page_size = allocation;
382 adjustment->step_increment = allocation * 0.1;
383 adjustment->page_increment = allocation * 0.9;
384 adjustment->lower = 0;
385 adjustment->upper = MAX (allocation, requisition);
388 * We add 0.5 to the values before to average out our rounding errors.
390 switch (view->pending_scroll) {
391 case SCROLL_TO_KEEP_POSITION:
392 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
393 gtk_adjustment_set_value (adjustment, (int)new_value);
395 case SCROLL_TO_CURRENT_PAGE:
396 scroll_to_current_page (view, orientation);
398 case SCROLL_TO_CENTER:
399 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
400 0, adjustment->upper - adjustment->page_size);
401 gtk_adjustment_set_value (adjustment, (int)new_value);
405 gtk_adjustment_changed (adjustment);
409 view_update_range_and_current_page (EvView *view)
411 if (view->pending_scroll != SCROLL_TO_KEEP_POSITION)
414 /* Presentation trumps all other modes */
415 if (view->presentation) {
416 view->start_page = view->current_page;
417 view->end_page = view->current_page;
418 } else if (view->continuous) {
419 GdkRectangle current_area, unused, page_area;
422 gboolean found = FALSE;
425 if (!(view->vadjustment && view->hadjustment))
428 current_area.x = view->hadjustment->value;
429 current_area.width = view->hadjustment->upper;
430 current_area.y = view->vadjustment->value;
431 current_area.height = view->vadjustment->page_size;
433 for (i = 0; i < ev_page_cache_get_n_pages (view->page_cache); i++) {
435 get_page_extents (view, i, &page_area, &border);
437 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
439 view->start_page = i;
449 current_page = ev_page_cache_get_current_page (view->page_cache);
451 if (current_page < view->start_page || current_page > view->end_page) {
452 view->current_page = view->start_page;
453 ev_page_cache_set_current_page (view->page_cache, view->start_page);
456 if (view->dual_page) {
457 if (view->current_page % 2 == 0) {
458 view->start_page = view->current_page;
459 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache))
460 view->end_page = view->start_page + 1;
462 view->end_page = view->start_page;
464 view->start_page = view->current_page - 1;
465 view->end_page = view->current_page;
468 view->start_page = view->current_page;
469 view->end_page = view->current_page;
473 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
478 view->selection_info.selections);
482 set_scroll_adjustment (EvView *view,
483 GtkOrientation orientation,
484 GtkAdjustment *adjustment)
486 GtkAdjustment **to_set;
488 if (orientation == GTK_ORIENTATION_HORIZONTAL)
489 to_set = &view->hadjustment;
491 to_set = &view->vadjustment;
493 if (*to_set != adjustment) {
495 g_signal_handlers_disconnect_by_func (*to_set,
496 (gpointer) on_adjustment_value_changed,
498 g_object_unref (*to_set);
501 *to_set = adjustment;
502 view_set_adjustment_values (view, orientation);
505 g_object_ref (*to_set);
506 g_signal_connect (*to_set, "value_changed",
507 G_CALLBACK (on_adjustment_value_changed), view);
513 ev_view_set_scroll_adjustments (EvView *view,
514 GtkAdjustment *hadjustment,
515 GtkAdjustment *vadjustment)
517 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
518 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
520 on_adjustment_value_changed (NULL, view);
524 add_scroll_binding_keypad (GtkBindingSet *binding_set,
526 GtkScrollType scroll,
529 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
531 gtk_binding_entry_add_signal (binding_set, keyval, 0,
532 "binding_activated", 2,
533 GTK_TYPE_SCROLL_TYPE, scroll,
534 G_TYPE_BOOLEAN, horizontal);
535 gtk_binding_entry_add_signal (binding_set, keypad_keyval, 0,
536 "binding_activated", 2,
537 GTK_TYPE_SCROLL_TYPE, scroll,
538 G_TYPE_BOOLEAN, horizontal);
542 ev_view_scroll (EvView *view,
545 GtkAdjustment *adjustment;
546 double value, increment;
547 gboolean first_page = FALSE;
548 gboolean last_page = FALSE;
550 /* Assign values for increment and vertical adjustment */
551 adjustment = view->vadjustment;
552 increment = adjustment->page_size * 0.75;
553 value = adjustment->value;
555 /* Assign boolean for first and last page */
556 if (view->current_page == 0)
558 if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1)
562 case EV_SCROLL_PAGE_BACKWARD:
563 /* Do not jump backwards if at the first page */
564 if (value == (adjustment->lower) && first_page) {
566 /* At the top of a page, assign the upper bound limit of previous page */
567 } else if (value == (adjustment->lower)) {
568 value = adjustment->upper - adjustment->page_size;
569 ev_page_cache_set_current_page (view->page_cache, view->current_page - 1);
570 /* Jump to the top */
572 value = MAX (value - increment, adjustment->lower);
575 case EV_SCROLL_PAGE_FORWARD:
576 /* Do not jump forward if at the last page */
577 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
579 /* At the bottom of a page, assign the lower bound limit of next page */
580 } else if (value == (adjustment->upper - adjustment->page_size)) {
582 ev_page_cache_set_current_page (view->page_cache, view->current_page + 1);
583 /* Jump to the bottom */
585 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
592 gtk_adjustment_set_value (adjustment, value);
596 ev_view_binding_activated (EvView *view,
597 GtkScrollType scroll,
600 GtkAdjustment *adjustment;
603 if (view->presentation) {
605 case GTK_SCROLL_STEP_BACKWARD:
606 ev_view_previous_page (view);
608 case GTK_SCROLL_STEP_FORWARD:
609 ev_view_next_page (view);
618 adjustment = view->hadjustment;
620 adjustment = view->vadjustment;
623 value = adjustment->value;
626 case GTK_SCROLL_STEP_BACKWARD:
627 value -= adjustment->step_increment;
629 case GTK_SCROLL_STEP_FORWARD:
630 value += adjustment->step_increment;
636 value = CLAMP (value, adjustment->lower,
637 adjustment->upper - adjustment->page_size);
639 gtk_adjustment_set_value (adjustment, value);
645 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
647 GtkWidget *widget = GTK_WIDGET (view);
648 GtkAdjustment *adjustment;
651 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
653 adjustment = view->vadjustment;
655 if (rect->y < adjustment->value) {
656 value = MAX (adjustment->lower, rect->y - MARGIN);
657 gtk_adjustment_set_value (view->vadjustment, value);
658 } else if (rect->y + rect->height >
659 adjustment->value + widget->allocation.height) {
660 value = MIN (adjustment->upper, rect->y + rect->height -
661 widget->allocation.height + MARGIN);
662 gtk_adjustment_set_value (view->vadjustment, value);
665 adjustment = view->hadjustment;
667 if (rect->x < adjustment->value) {
668 value = MAX (adjustment->lower, rect->x - MARGIN);
669 gtk_adjustment_set_value (view->hadjustment, value);
670 } else if (rect->x + rect->height >
671 adjustment->value + widget->allocation.width) {
672 value = MIN (adjustment->upper, rect->x + rect->width -
673 widget->allocation.width + MARGIN);
674 gtk_adjustment_set_value (view->hadjustment, value);
678 /*** Geometry computations ***/
681 compute_border (EvView *view, int width, int height, GtkBorder *border)
683 if (view->presentation) {
689 ev_document_misc_get_page_border_size (width, height, border);
694 get_page_y_offset (EvView *view, int page, double zoom, int *y_offset)
696 int max_width, offset;
699 g_return_if_fail (y_offset != NULL);
701 ev_page_cache_get_max_width (view->page_cache, view->rotation, zoom, &max_width);
703 compute_border (view, max_width, max_width, &border);
705 if (view->dual_page) {
706 ev_page_cache_get_height_to_page (view->page_cache, page,
707 view->rotation, zoom, NULL, &offset);
708 offset += (page / 2 + 1) * view->spacing + (page / 2) * (border.top + border.bottom);
710 ev_page_cache_get_height_to_page (view->page_cache, page,
711 view->rotation, zoom, &offset, NULL);
712 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
720 get_page_extents (EvView *view,
722 GdkRectangle *page_area,
728 widget = GTK_WIDGET (view);
730 /* Get the size of the page */
731 ev_page_cache_get_size (view->page_cache, page,
735 compute_border (view, width, height, border);
736 page_area->width = width + border->left + border->right;
737 page_area->height = height + border->top + border->bottom;
739 if (view->presentation) {
740 page_area->x = (MAX (0, widget->allocation.width - width))/2;
741 page_area->y = (MAX (0, widget->allocation.height - height))/2;
742 } else if (view->continuous) {
746 ev_page_cache_get_max_width (view->page_cache, view->rotation,
747 view->scale, &max_width);
748 max_width = max_width + border->left + border->right;
749 /* Get the location of the bounding box */
750 if (view->dual_page) {
751 x = view->spacing + (page % 2) * (max_width + view->spacing);
752 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
754 x = x + (max_width - width - border->left - border->right);
757 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
760 get_page_y_offset (view, page, view->scale, &y);
766 if (view->dual_page) {
767 gint width_2, height_2;
768 gint max_width = width;
769 gint max_height = height;
770 GtkBorder overall_border;
773 other_page = page ^ 1;
775 /* First, we get the bounding box of the two pages */
776 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
777 ev_page_cache_get_size (view->page_cache,
781 &width_2, &height_2);
784 if (height_2 > height)
785 max_height = height_2;
787 compute_border (view, max_width, max_height, &overall_border);
789 /* Find the offsets */
793 /* Adjust for being the left or right page */
795 x = x + max_width - width;
797 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
799 y = y + (max_height - height)/2;
801 /* Adjust for extra allocation */
802 x = x + MAX (0, widget->allocation.width -
803 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
804 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
809 /* Adjust for extra allocation */
810 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
811 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
822 view_point_to_doc_point (EvView *view,
823 GdkPoint *view_point,
824 GdkRectangle *page_area,
828 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
829 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
833 view_rect_to_doc_rect (EvView *view,
834 GdkRectangle *view_rect,
835 GdkRectangle *page_area,
836 EvRectangle *doc_rect)
838 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
839 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
840 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
841 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
845 doc_point_to_view_point (EvView *view,
848 GdkPoint *view_point)
850 GdkRectangle page_area;
852 double x, y, view_x, view_y;
855 ev_page_cache_get_size (view->page_cache, page,
860 if (view->rotation == 0) {
863 } else if (view->rotation == 90) {
864 x = width - doc_point->y;
866 } else if (view->rotation == 180) {
867 x = width - doc_point->x;
868 y = height - doc_point->y;
869 } else if (view->rotation == 270) {
871 y = height - doc_point->x;
873 g_assert_not_reached ();
876 get_page_extents (view, page, &page_area, &border);
878 view_x = x * view->scale;
879 view_y = y * view->scale;
880 view_point->x = view_x + page_area.x;
881 view_point->y = view_y + page_area.y;
883 return (view_x > 0 && view_x <= page_area.width &&
884 view_y > 0 && view_y <= page_area.height);
888 doc_rect_to_view_rect (EvView *view,
890 EvRectangle *doc_rect,
891 GdkRectangle *view_rect)
893 GdkRectangle page_area;
898 ev_page_cache_get_size (view->page_cache, page,
903 if (view->rotation == 0) {
906 w = doc_rect->x2 - doc_rect->x1;
907 h = doc_rect->y2 - doc_rect->y1;
908 } else if (view->rotation == 90) {
909 x = width - doc_rect->y2;
911 w = doc_rect->y2 - doc_rect->y1;
912 h = doc_rect->x2 - doc_rect->x1;
913 } else if (view->rotation == 180) {
914 x = width - doc_rect->x2;
915 y = height - doc_rect->y2;
916 w = doc_rect->x2 - doc_rect->x1;
917 h = doc_rect->y2 - doc_rect->y1;
918 } else if (view->rotation == 270) {
920 y = height - doc_rect->x2;
921 w = doc_rect->y2 - doc_rect->y1;
922 h = doc_rect->x2 - doc_rect->x1;
924 g_assert_not_reached ();
927 get_page_extents (view, page, &page_area, &border);
929 view_rect->x = x * view->scale + page_area.x;
930 view_rect->y = y * view->scale + page_area.y;
931 view_rect->width = w * view->scale;
932 view_rect->height = h * view->scale;
936 find_page_at_location (EvView *view,
945 if (view->document == NULL)
952 for (i = view->start_page; i <= view->end_page; i++) {
953 GdkRectangle page_area;
956 if (! get_page_extents (view, i, &page_area, &border))
959 if ((x >= page_area.x + border.left) &&
960 (x < page_area.x + page_area.width - border.right) &&
961 (y >= page_area.y + border.top) &&
962 (y < page_area.y + page_area.height - border.bottom)) {
964 *x_offset = x - (page_area.x + border.left);
965 *y_offset = y - (page_area.y + border.top);
974 location_in_text (EvView *view,
980 gint x_offset = 0, y_offset = 0;
982 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
987 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
990 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
996 ev_view_get_width (EvView *view)
998 return GTK_WIDGET (view)->allocation.width;
1002 ev_view_get_height (EvView *view)
1004 return GTK_WIDGET (view)->allocation.height;
1008 location_in_selected_text (EvView *view,
1013 gint x_offset = 0, y_offset = 0;
1014 EvViewSelection *selection;
1017 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1018 selection = (EvViewSelection *)l->data;
1020 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1022 if (page != selection->page)
1025 if (selection->covered_region &&
1026 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1035 ev_view_get_link_at_location (EvView *view,
1040 gint x_offset = 0, y_offset = 0;
1041 GList *link_mapping;
1043 x += view->scroll_x;
1044 y += view->scroll_y;
1046 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1051 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1054 return ev_link_mapping_find (link_mapping, x_offset / view->scale, y_offset / view->scale);
1060 goto_fitr_link (EvView *view, EvLink *link)
1062 GdkPoint view_point;
1064 int doc_width, doc_height, page;
1067 page = ev_link_get_page (link);
1068 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1070 doc_point.x = ev_link_get_left (link);
1071 doc_point.y = ev_link_get_top (link);
1073 zoom = zoom_for_size_best_fit (ev_link_get_right (link) - ev_link_get_left (link),
1074 ev_link_get_top (link) - ev_link_get_bottom (link),
1075 ev_view_get_width (view),
1076 ev_view_get_height (view), 0, 0);
1078 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1079 ev_view_set_zoom (view, zoom, FALSE);
1080 ev_page_cache_set_current_page (view->page_cache, page);
1082 if (doc_point_to_view_point (view, page, &doc_point, &view_point)) {
1083 gtk_adjustment_set_value (view->hadjustment, view_point.x);
1084 gtk_adjustment_set_value (view->vadjustment, view_point.y);
1089 goto_fitv_link (EvView *view, EvLink *link)
1091 GdkPoint view_point;
1093 int doc_width, doc_height, page;
1096 page = ev_link_get_page (link);
1097 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1099 doc_point.x = ev_link_get_left (link);
1102 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1103 ev_view_get_width (view),
1104 ev_view_get_height (view), 0);
1106 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1107 ev_view_set_zoom (view, zoom, FALSE);
1108 ev_page_cache_set_current_page (view->page_cache, page);
1110 if (doc_point_to_view_point (view, page, &doc_point, &view_point)) {
1111 gtk_adjustment_set_value (view->hadjustment, view_point.x);
1116 goto_fith_link (EvView *view, EvLink *link)
1118 GdkPoint view_point;
1120 int doc_width, doc_height, page;
1123 page = ev_link_get_page (link);
1124 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1127 doc_point.y = doc_height - ev_link_get_top (link);
1129 zoom = zoom_for_size_fit_width (doc_width, ev_link_get_top (link),
1130 ev_view_get_width (view),
1131 ev_view_get_height (view), 0);
1133 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1134 ev_view_set_zoom (view, zoom, FALSE);
1136 if (doc_point_to_view_point (view, page, &doc_point, &view_point)) {
1137 gtk_adjustment_set_value (view->vadjustment, view_point.y);
1139 ev_page_cache_set_current_page (view->page_cache, page);
1144 goto_fit_link (EvView *view, EvLink *link)
1147 int doc_width, doc_height;
1150 page = ev_link_get_page (link);
1151 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1153 zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view),
1154 ev_view_get_height (view), 0, 0);
1156 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1157 ev_view_set_zoom (view, zoom, FALSE);
1158 ev_page_cache_set_current_page (view->page_cache, page);
1162 goto_xyz_link (EvView *view, EvLink *link)
1164 GdkPoint view_point;
1169 zoom = ev_link_get_zoom (link);
1170 page = ev_link_get_page (link);
1171 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, NULL, &height);
1173 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1175 ev_view_set_zoom (view, zoom, FALSE);
1178 doc_point.x = ev_link_get_left (link);
1179 doc_point.y = height - ev_link_get_top (link);
1181 if (doc_point_to_view_point (view, page, &doc_point, &view_point)) {
1182 gtk_adjustment_set_value (view->hadjustment, view_point.x);
1183 gtk_adjustment_set_value (view->vadjustment, view_point.y);
1185 ev_page_cache_set_current_page (view->page_cache, page);
1190 ev_view_goto_link (EvView *view, EvLink *link)
1195 type = ev_link_get_link_type (link);
1198 case EV_LINK_TYPE_TITLE:
1200 case EV_LINK_TYPE_PAGE:
1201 page = ev_link_get_page (link);
1202 ev_page_cache_set_current_page (view->page_cache, page);
1204 case EV_LINK_TYPE_PAGE_FIT:
1205 goto_fit_link (view, link);
1207 case EV_LINK_TYPE_PAGE_FITH:
1208 goto_fith_link (view, link);
1210 case EV_LINK_TYPE_PAGE_FITV:
1211 goto_fitv_link (view, link);
1213 case EV_LINK_TYPE_PAGE_FITR:
1214 goto_fitr_link (view, link);
1216 case EV_LINK_TYPE_PAGE_XYZ:
1217 goto_xyz_link (view, link);
1219 case EV_LINK_TYPE_EXTERNAL_URI:
1220 case EV_LINK_TYPE_LAUNCH:
1221 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, link);
1227 tip_from_link (EvView *view, EvLink *link)
1233 type = ev_link_get_link_type (link);
1236 case EV_LINK_TYPE_TITLE:
1237 if (ev_link_get_title (link))
1238 msg = g_strdup (ev_link_get_title (link));
1240 case EV_LINK_TYPE_PAGE:
1241 case EV_LINK_TYPE_PAGE_XYZ:
1242 page_label = ev_page_cache_get_page_label (view->page_cache, ev_link_get_page (link));
1243 msg = g_strdup_printf (_("Go to page %s"), page_label);
1244 g_free (page_label);
1246 case EV_LINK_TYPE_EXTERNAL_URI:
1247 msg = g_strdup (ev_link_get_uri (link));
1257 handle_link_over_xy (EvView *view, gint x, gint y)
1261 link = ev_view_get_link_at_location (view, x, y);
1263 if (view->link_tooltip == NULL) {
1264 view->link_tooltip = ev_tooltip_new (GTK_WIDGET (view));
1267 if (view->hovered_link != link) {
1268 view->hovered_link = link;
1269 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
1273 char *msg = tip_from_link (view, link);
1275 if (msg && g_utf8_validate (msg, -1, NULL)) {
1276 EvTooltip *tooltip = EV_TOOLTIP (view->link_tooltip);
1278 ev_tooltip_set_position (tooltip, x, y);
1279 ev_tooltip_set_text (tooltip, msg);
1280 ev_tooltip_activate (tooltip);
1284 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1285 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1286 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1288 ev_view_set_status (view, NULL);
1289 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1290 view->cursor == EV_VIEW_CURSOR_IBEAM)
1291 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1296 /*** GtkWidget implementation ***/
1299 ev_view_size_request_continuous_dual_page (EvView *view,
1300 GtkRequisition *requisition)
1306 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1307 view->scale, &max_width);
1308 compute_border (view, max_width, max_width, &border);
1310 n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1;
1312 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
1313 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1315 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1316 requisition->width = 1;
1317 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1318 requisition->width = 1;
1319 /* FIXME: This could actually be set on one page docs or docs
1320 * with a strange aspect ratio. */
1321 /* requisition->height = 1;*/
1326 ev_view_size_request_continuous (EvView *view,
1327 GtkRequisition *requisition)
1334 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1335 view->scale, &max_width);
1336 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1337 compute_border (view, max_width, max_width, &border);
1339 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
1340 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1342 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1343 requisition->width = 1;
1344 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1345 requisition->width = 1;
1346 /* FIXME: This could actually be set on one page docs or docs
1347 * with a strange aspect ratio. */
1348 /* requisition->height = 1;*/
1353 ev_view_size_request_dual_page (EvView *view,
1354 GtkRequisition *requisition)
1359 /* Find the largest of the two. */
1360 ev_page_cache_get_size (view->page_cache,
1365 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) {
1366 gint width_2, height_2;
1367 ev_page_cache_get_size (view->page_cache,
1368 view->current_page + 1,
1371 &width_2, &height_2);
1372 if (width_2 > width) {
1377 compute_border (view, width, height, &border);
1379 requisition->width = ((width + border.left + border.right) * 2) +
1380 (view->spacing * 3);
1381 requisition->height = (height + border.top + border.bottom) +
1382 (view->spacing * 2);
1384 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1385 requisition->width = 1;
1386 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1387 requisition->width = 1;
1388 requisition->height = 1;
1393 ev_view_size_request_single_page (EvView *view,
1394 GtkRequisition *requisition)
1399 ev_page_cache_get_size (view->page_cache,
1404 compute_border (view, width, height, &border);
1406 requisition->width = width + border.left + border.right + (2 * view->spacing);
1407 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1409 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1410 requisition->width = 1;
1411 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1412 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1413 requisition->width = 1;
1414 requisition->height = 1;
1419 ev_view_size_request (GtkWidget *widget,
1420 GtkRequisition *requisition)
1422 EvView *view = EV_VIEW (widget);
1424 if (view->document == NULL) {
1425 requisition->width = 1;
1426 requisition->height = 1;
1430 if (view->presentation) {
1431 requisition->width = 1;
1432 requisition->height = 1;
1436 if (view->continuous && view->dual_page)
1437 ev_view_size_request_continuous_dual_page (view, requisition);
1438 else if (view->continuous)
1439 ev_view_size_request_continuous (view, requisition);
1440 else if (view->dual_page)
1441 ev_view_size_request_dual_page (view, requisition);
1443 ev_view_size_request_single_page (view, requisition);
1447 ev_view_size_allocate (GtkWidget *widget,
1448 GtkAllocation *allocation)
1450 EvView *view = EV_VIEW (widget);
1452 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
1453 view->sizing_mode == EV_SIZING_BEST_FIT) {
1455 g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0);
1457 ev_view_size_request (widget, &widget->requisition);
1460 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
1461 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
1463 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
1464 view->pending_resize = FALSE;
1467 view_update_range_and_current_page (view);
1469 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
1473 ev_view_realize (GtkWidget *widget)
1475 EvView *view = EV_VIEW (widget);
1476 GdkWindowAttr attributes;
1478 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
1481 attributes.window_type = GDK_WINDOW_CHILD;
1482 attributes.wclass = GDK_INPUT_OUTPUT;
1483 attributes.visual = gtk_widget_get_visual (widget);
1484 attributes.colormap = gtk_widget_get_colormap (widget);
1486 attributes.x = widget->allocation.x;
1487 attributes.y = widget->allocation.y;
1488 attributes.width = widget->allocation.width;
1489 attributes.height = widget->allocation.height;
1490 attributes.event_mask = GDK_EXPOSURE_MASK |
1491 GDK_BUTTON_PRESS_MASK |
1492 GDK_BUTTON_RELEASE_MASK |
1494 GDK_KEY_PRESS_MASK |
1495 GDK_POINTER_MOTION_MASK |
1496 GDK_POINTER_MOTION_HINT_MASK |
1497 GDK_ENTER_NOTIFY_MASK |
1498 GDK_LEAVE_NOTIFY_MASK;
1500 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
1502 GDK_WA_X | GDK_WA_Y |
1505 gdk_window_set_user_data (widget->window, widget);
1506 widget->style = gtk_style_attach (widget->style, widget->window);
1508 if (view->presentation)
1509 gdk_window_set_background (widget->window, &widget->style->black);
1511 gdk_window_set_background (widget->window, &widget->style->mid [GTK_STATE_NORMAL]);
1515 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
1517 EvView *view = EV_VIEW (widget);
1520 state = event->state & gtk_accelerator_get_default_mod_mask ();
1522 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
1523 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1525 if (event->direction == GDK_SCROLL_UP ||
1526 event->direction == GDK_SCROLL_LEFT) {
1527 if (ev_view_can_zoom_in (view)) {
1528 ev_view_zoom_in (view);
1531 if (ev_view_can_zoom_out (view)) {
1532 ev_view_zoom_out (view);
1539 /* Shift+Wheel scrolls the in the perpendicular direction */
1540 if (state & GDK_SHIFT_MASK) {
1541 if (event->direction == GDK_SCROLL_UP)
1542 event->direction = GDK_SCROLL_LEFT;
1543 if (event->direction == GDK_SCROLL_LEFT)
1544 event->direction = GDK_SCROLL_UP;
1545 if (event->direction == GDK_SCROLL_DOWN)
1546 event->direction = GDK_SCROLL_RIGHT;
1547 if (event->direction == GDK_SCROLL_RIGHT)
1548 event->direction = GDK_SCROLL_DOWN;
1550 event->state &= ~GDK_SHIFT_MASK;
1551 state &= ~GDK_SHIFT_MASK;
1554 if (state == 0 && view->presentation) {
1555 switch (event->direction) {
1556 case GDK_SCROLL_DOWN:
1557 case GDK_SCROLL_RIGHT:
1558 ev_view_next_page (view);
1561 case GDK_SCROLL_LEFT:
1562 ev_view_previous_page (view);
1572 static EvViewSelection *
1573 find_selection_for_page (EvView *view,
1578 for (list = view->selection_info.selections; list != NULL; list = list->next) {
1579 EvViewSelection *selection;
1581 selection = (EvViewSelection *) list->data;
1583 if (selection->page == page)
1591 ev_view_expose_event (GtkWidget *widget,
1592 GdkEventExpose *event)
1594 EvView *view = EV_VIEW (widget);
1597 if (view->document == NULL)
1600 for (i = view->start_page; i <= view->end_page; i++) {
1601 GdkRectangle page_area;
1604 if (!get_page_extents (view, i, &page_area, &border))
1607 page_area.x -= view->scroll_x;
1608 page_area.y -= view->scroll_y;
1610 draw_one_page (view, i, &page_area, &border, &(event->area));
1612 if (EV_IS_DOCUMENT_FIND (view->document))
1613 highlight_find_results (view, i);
1620 ev_view_button_press_event (GtkWidget *widget,
1621 GdkEventButton *event)
1623 EvView *view = EV_VIEW (widget);
1626 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
1627 gtk_widget_grab_focus (widget);
1630 view->pressed_button = event->button;
1631 view->selection_info.in_drag = FALSE;
1633 switch (event->button) {
1635 if (view->selection_info.selections) {
1636 if (location_in_selected_text (view,
1637 event->x + view->scroll_x,
1638 event->y + view->scroll_y)) {
1639 view->selection_info.in_drag = TRUE;
1641 clear_selection (view);
1644 gtk_widget_queue_draw (widget);
1647 view->selection_info.start.x = event->x + view->scroll_x;
1648 view->selection_info.start.y = event->y + view->scroll_y;
1652 /* use root coordinates as reference point because
1653 * scrolling changes window relative coordinates */
1654 view->drag_info.start.x = event->x_root;
1655 view->drag_info.start.y = event->y_root;
1656 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
1657 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
1659 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1663 link = ev_view_get_link_at_location (view, event->x, event->y);
1664 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
1672 ev_view_drag_data_get (GtkWidget *widget,
1673 GdkDragContext *context,
1674 GtkSelectionData *selection_data,
1678 EvView *view = EV_VIEW (widget);
1680 if (view->selection_info.selections &&
1681 ev_document_can_get_text (view->document)) {
1684 text = get_selected_text (view);
1686 gtk_selection_data_set_text (selection_data, text, strlen (text));
1693 selection_update_idle_cb (EvView *view)
1695 compute_selections (view, &view->selection_info.start, &view->motion);
1696 view->selection_update_id = 0;
1701 selection_scroll_timeout_cb (EvView *view)
1704 GtkWidget *widget = GTK_WIDGET (view);
1706 gtk_widget_get_pointer (widget, NULL, &y);
1708 if (y > widget->allocation.height) {
1709 shift = (y - widget->allocation.height) / 2;
1715 gtk_adjustment_set_value (view->vadjustment,
1716 CLAMP (view->vadjustment->value + shift,
1717 view->vadjustment->lower,
1718 view->vadjustment->upper -
1719 view->vadjustment->page_size));
1724 ev_view_motion_notify_event (GtkWidget *widget,
1725 GdkEventMotion *event)
1727 EvView *view = EV_VIEW (widget);
1730 if (!view->document)
1733 if (event->is_hint || event->window != widget->window) {
1734 gtk_widget_get_pointer (widget, &x, &y);
1740 if (view->selection_info.in_drag) {
1741 if (gtk_drag_check_threshold (widget,
1742 view->selection_info.start.x,
1743 view->selection_info.start.y,
1745 GdkDragContext *context;
1746 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
1748 gtk_target_list_add_text_targets (target_list, 0);
1750 context = gtk_drag_begin (widget, target_list,
1752 1, (GdkEvent *)event);
1754 view->selection_info.in_drag = FALSE;
1756 gtk_target_list_unref (target_list);
1762 /* For the Evince 0.4.x release, we limit selection to un-rotated
1765 if (view->pressed_button == 1 && view->rotation == 0) {
1767 /* Schedule timeout to scroll during selection and additionally
1768 * scroll once to allow arbitrary speed. */
1769 if (!view->selection_scroll_id)
1770 view->selection_scroll_id = g_timeout_add (SCROLL_TIME, (GSourceFunc)selection_scroll_timeout_cb, view);
1772 selection_scroll_timeout_cb (view);
1774 view->selection_info.in_selection = TRUE;
1775 view->motion.x = x + view->scroll_x;
1776 view->motion.y = y + view->scroll_y;
1778 /* Queue an idle to handle the motion. We do this because
1779 * handling any selection events in the motion could be slower
1780 * than new motion events reach us. We always put it in the
1781 * idle to make sure we catch up and don't visibly lag the
1783 if (!view->selection_update_id)
1784 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
1787 } else if (view->pressed_button == 2) {
1788 if (!view->drag_info.in_drag) {
1791 start = gtk_drag_check_threshold (widget,
1792 view->drag_info.start.x,
1793 view->drag_info.start.y,
1796 view->drag_info.in_drag = start;
1799 if (view->drag_info.in_drag) {
1801 gdouble dhadj_value, dvadj_value;
1803 dx = event->x_root - view->drag_info.start.x;
1804 dy = event->y_root - view->drag_info.start.y;
1806 dhadj_value = view->hadjustment->page_size *
1807 (gdouble)dx / widget->allocation.width;
1808 dvadj_value = view->vadjustment->page_size *
1809 (gdouble)dy / widget->allocation.height;
1811 /* clamp scrolling to visible area */
1812 gtk_adjustment_set_value (view->hadjustment,
1813 MIN(view->drag_info.hadj - dhadj_value,
1814 view->hadjustment->upper -
1815 view->hadjustment->page_size));
1816 gtk_adjustment_set_value (view->vadjustment,
1817 MIN(view->drag_info.vadj - dvadj_value,
1818 view->vadjustment->upper -
1819 view->vadjustment->page_size));
1823 /* For the Evince 0.4.x release, we limit links to un-rotated documents
1826 } else if (view->pressed_button <= 0 &&
1827 view->rotation == 0) {
1828 handle_link_over_xy (view, x, y);
1836 ev_view_button_release_event (GtkWidget *widget,
1837 GdkEventButton *event)
1839 EvView *view = EV_VIEW (widget);
1842 if (view->pressed_button == 2) {
1843 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1846 if (view->document) {
1847 link = ev_view_get_link_at_location (view, event->x, event->y);
1852 view->pressed_button = -1;
1853 view->drag_info.in_drag = FALSE;
1855 if (view->selection_scroll_id) {
1856 g_source_remove (view->selection_scroll_id);
1857 view->selection_scroll_id = 0;
1859 if (view->selection_update_id) {
1860 g_source_remove (view->selection_update_id);
1861 view->selection_update_id = 0;
1864 if (view->selection_info.selections) {
1865 ev_view_update_primary_selection (view);
1867 if (view->selection_info.in_drag) {
1868 clear_selection (view);
1869 gtk_widget_queue_draw (widget);
1872 view->selection_info.in_drag = FALSE;
1874 ev_view_goto_link (view, link);
1875 } else if (view->presentation) {
1876 switch (event->button) {
1878 ev_view_next_page (view);
1881 ev_view_previous_page (view);
1890 ev_view_focus_in (GtkWidget *widget,
1891 GdkEventFocus *event)
1893 if (EV_VIEW (widget)->pixbuf_cache)
1894 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
1895 gtk_widget_queue_draw (widget);
1901 ev_view_focus_out (GtkWidget *widget,
1902 GdkEventFocus *event)
1904 if (EV_VIEW (widget)->pixbuf_cache)
1905 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
1906 gtk_widget_queue_draw (widget);
1912 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
1914 EvView *view = EV_VIEW (widget);
1916 ev_view_set_status (view, NULL);
1918 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1919 view->cursor == EV_VIEW_CURSOR_IBEAM)
1920 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1922 if (view->link_tooltip) {
1923 view->hovered_link = NULL;
1924 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
1931 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
1933 EvView *view = EV_VIEW (widget);
1935 handle_link_over_xy (view, event->x, event->y);
1941 ev_view_style_set (GtkWidget *widget,
1942 GtkStyle *old_style)
1944 if (EV_VIEW (widget)->pixbuf_cache)
1945 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
1947 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
1953 ev_gdk_color_to_rgb (const GdkColor *color)
1956 result = (0xff0000 | (color->red & 0xff00));
1958 result |= ((color->green & 0xff00) | (color->blue >> 8));
1963 draw_rubberband (GtkWidget *widget, GdkWindow *window,
1964 const GdkRectangle *rect, guchar alpha)
1968 GdkColor *fill_color_gdk;
1971 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
1972 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
1974 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
1975 rect->width, rect->height);
1976 gdk_pixbuf_fill (pixbuf, fill_color);
1978 gdk_draw_pixbuf (window, NULL, pixbuf,
1980 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
1981 rect->width, rect->height,
1982 GDK_RGB_DITHER_NONE,
1985 g_object_unref (pixbuf);
1987 gc = gdk_gc_new (window);
1988 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
1989 gdk_draw_rectangle (window, gc, FALSE,
1990 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
1993 g_object_unref (gc);
1995 gdk_color_free (fill_color_gdk);
2000 highlight_find_results (EvView *view, int page)
2002 EvDocumentFind *find;
2005 g_return_if_fail (EV_IS_DOCUMENT_FIND (view->document));
2007 find = EV_DOCUMENT_FIND (view->document);
2009 results = ev_document_find_get_n_results (find, page);
2011 for (i = 0; i < results; i++) {
2012 EvRectangle rectangle;
2013 GdkRectangle view_rectangle;
2016 if (i == view->find_result && page == view->find_page) {
2022 ev_document_find_get_result (find, page, i, &rectangle);
2023 doc_rect_to_view_rect (view, page, &rectangle, &view_rectangle);
2024 draw_rubberband (GTK_WIDGET (view), GTK_WIDGET(view)->window,
2025 &view_rectangle, alpha);
2030 draw_loading_text (EvView *view,
2031 GdkRectangle *page_area,
2032 GdkRectangle *expose_area)
2034 PangoLayout *layout;
2035 PangoFontDescription *font_desc;
2036 PangoRectangle logical_rect;
2040 const char *loading_text = _("Loading...");
2042 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
2044 font_desc = pango_font_description_new ();
2047 /* We set the font to be 10 points, get the size, and scale appropriately */
2048 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
2049 pango_layout_set_font_description (layout, font_desc);
2050 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2052 /* Make sure we fit the middle of the page */
2053 target_width = MAX (page_area->width / 2, 1);
2054 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
2055 pango_font_description_set_size (font_desc, (int)real_scale);
2056 pango_layout_set_font_description (layout, font_desc);
2057 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2059 gtk_paint_layout (GTK_WIDGET (view)->style,
2060 GTK_WIDGET (view)->window,
2061 GTK_WIDGET_STATE (view),
2066 page_area->x + (target_width/2),
2067 page_area->y + (page_area->height - logical_rect.height) / 2,
2070 pango_font_description_free (font_desc);
2071 g_object_unref (layout);
2075 draw_one_page (EvView *view,
2077 GdkRectangle *page_area,
2079 GdkRectangle *expose_area)
2082 GdkPixbuf *current_pixbuf;
2083 GdkRectangle overlap;
2084 GdkRectangle real_page_area;
2085 EvViewSelection *selection;
2087 g_assert (view->document);
2088 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
2091 selection = find_selection_for_page (view, page);
2092 ev_page_cache_get_size (view->page_cache,
2093 page, view->rotation,
2096 /* Render the document itself */
2097 real_page_area = *page_area;
2099 real_page_area.x += border->left;
2100 real_page_area.y += border->top;
2101 real_page_area.width -= (border->left + border->right);
2102 real_page_area.height -= (border->top + border->bottom);
2104 ev_document_misc_paint_one_page (GTK_WIDGET(view)->window,
2108 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
2109 GdkPixbuf *selection_pixbuf = NULL;
2110 GdkPixbuf *scaled_image;
2111 GdkPixbuf *scaled_selection;
2113 current_pixbuf = ev_pixbuf_cache_get_pixbuf (view->pixbuf_cache, page);
2115 /* Get the selection pixbuf iff we have something to draw */
2116 if (current_pixbuf && view->selection_mode == EV_VIEW_SELECTION_TEXT && selection)
2117 selection_pixbuf = ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
2122 if (current_pixbuf == NULL)
2123 scaled_image = NULL;
2124 else if (width == gdk_pixbuf_get_width (current_pixbuf) &&
2125 height == gdk_pixbuf_get_height (current_pixbuf))
2126 scaled_image = g_object_ref (current_pixbuf);
2128 /* FIXME: We don't want to scale the whole area, just the right
2130 scaled_image = gdk_pixbuf_scale_simple (current_pixbuf,
2132 GDK_INTERP_NEAREST);
2134 if (selection_pixbuf == NULL)
2135 scaled_selection = NULL;
2136 else if (width == gdk_pixbuf_get_width (selection_pixbuf) &&
2137 height == gdk_pixbuf_get_height (selection_pixbuf))
2138 scaled_selection = g_object_ref (selection_pixbuf);
2140 /* FIXME: We don't want to scale the whole area, just the right
2142 scaled_selection = gdk_pixbuf_scale_simple (selection_pixbuf,
2144 GDK_INTERP_NEAREST);
2147 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2148 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2150 overlap.x - real_page_area.x,
2151 overlap.y - real_page_area.y,
2152 overlap.x, overlap.y,
2153 overlap.width, overlap.height,
2154 GDK_RGB_DITHER_NORMAL,
2156 g_object_unref (scaled_image);
2158 draw_loading_text (view,
2163 if (scaled_selection) {
2164 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2165 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2167 overlap.x - real_page_area.x,
2168 overlap.y - real_page_area.y,
2169 overlap.x, overlap.y,
2170 overlap.width, overlap.height,
2171 GDK_RGB_DITHER_NORMAL,
2173 g_object_unref (scaled_selection);
2178 /*** GObject functions ***/
2181 ev_view_finalize (GObject *object)
2183 EvView *view = EV_VIEW (object);
2187 g_free (view->status);
2188 g_free (view->find_status);
2190 clear_selection (view);
2192 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
2196 ev_view_destroy (GtkObject *object)
2198 EvView *view = EV_VIEW (object);
2200 if (view->document) {
2201 g_object_unref (view->document);
2202 view->document = NULL;
2205 if (view->pixbuf_cache) {
2206 g_object_unref (view->pixbuf_cache);
2207 view->pixbuf_cache = NULL;
2210 if (view->link_tooltip) {
2211 gtk_widget_destroy (view->link_tooltip);
2214 if (view->selection_scroll_id) {
2215 g_source_remove (view->selection_scroll_id);
2216 view->selection_scroll_id = 0;
2219 if (view->selection_update_id) {
2220 g_source_remove (view->selection_update_id);
2221 view->selection_update_id = 0;
2224 ev_view_set_scroll_adjustments (view, NULL, NULL);
2226 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
2230 ev_view_set_property (GObject *object,
2232 const GValue *value,
2235 EvView *view = EV_VIEW (object);
2239 case PROP_CONTINUOUS:
2240 ev_view_set_continuous (view, g_value_get_boolean (value));
2242 case PROP_DUAL_PAGE:
2243 ev_view_set_dual_page (view, g_value_get_boolean (value));
2245 case PROP_FULLSCREEN:
2246 ev_view_set_fullscreen (view, g_value_get_boolean (value));
2248 case PROP_PRESENTATION:
2249 ev_view_set_presentation (view, g_value_get_boolean (value));
2251 case PROP_SIZING_MODE:
2252 ev_view_set_sizing_mode (view, g_value_get_enum (value));
2255 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
2258 ev_view_set_rotation (view, g_value_get_int (value));
2261 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2266 ev_view_get_accessible (GtkWidget *widget)
2268 static gboolean first_time = TRUE;
2271 AtkObjectFactory *factory;
2272 AtkRegistry *registry;
2274 GType derived_atk_type;
2277 * Figure out whether accessibility is enabled by looking at the
2278 * type of the accessible object which would be created for
2279 * the parent type of EvView.
2281 derived_type = g_type_parent (EV_TYPE_VIEW);
2283 registry = atk_get_default_registry ();
2284 factory = atk_registry_get_factory (registry,
2286 derived_atk_type = atk_object_factory_get_accessible_type (factory);
2287 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
2288 atk_registry_set_factory_type (registry,
2290 ev_view_accessible_factory_get_type ());
2293 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
2297 ev_view_get_property (GObject *object,
2302 EvView *view = EV_VIEW (object);
2307 g_value_set_string (value, view->status);
2309 case PROP_FIND_STATUS:
2310 g_value_set_string (value, view->status);
2312 case PROP_CONTINUOUS:
2313 g_value_set_boolean (value, view->continuous);
2315 case PROP_DUAL_PAGE:
2316 g_value_set_boolean (value, view->dual_page);
2318 case PROP_FULLSCREEN:
2319 g_value_set_boolean (value, view->fullscreen);
2321 case PROP_PRESENTATION:
2322 g_value_set_boolean (value, view->presentation);
2324 case PROP_SIZING_MODE:
2325 g_value_set_enum (value, view->sizing_mode);
2328 g_value_set_double (value, view->scale);
2331 g_value_set_int (value, view->rotation);
2333 case PROP_HAS_SELECTION:
2334 g_value_set_boolean (value,
2335 view->selection_info.selections != NULL);
2338 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2343 ev_view_class_init (EvViewClass *class)
2345 GObjectClass *object_class = G_OBJECT_CLASS (class);
2346 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
2347 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
2348 GtkBindingSet *binding_set;
2350 object_class->finalize = ev_view_finalize;
2351 object_class->set_property = ev_view_set_property;
2352 object_class->get_property = ev_view_get_property;
2354 widget_class->expose_event = ev_view_expose_event;
2355 widget_class->button_press_event = ev_view_button_press_event;
2356 widget_class->motion_notify_event = ev_view_motion_notify_event;
2357 widget_class->button_release_event = ev_view_button_release_event;
2358 widget_class->focus_in_event = ev_view_focus_in;
2359 widget_class->focus_out_event = ev_view_focus_out;
2360 widget_class->get_accessible = ev_view_get_accessible;
2361 widget_class->size_request = ev_view_size_request;
2362 widget_class->size_allocate = ev_view_size_allocate;
2363 widget_class->realize = ev_view_realize;
2364 widget_class->scroll_event = ev_view_scroll_event;
2365 widget_class->enter_notify_event = ev_view_enter_notify_event;
2366 widget_class->leave_notify_event = ev_view_leave_notify_event;
2367 widget_class->style_set = ev_view_style_set;
2368 widget_class->drag_data_get = ev_view_drag_data_get;
2369 gtk_object_class->destroy = ev_view_destroy;
2371 class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
2372 class->binding_activated = ev_view_binding_activated;
2374 widget_class->set_scroll_adjustments_signal =
2375 g_signal_new ("set-scroll-adjustments",
2376 G_OBJECT_CLASS_TYPE (object_class),
2377 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2378 G_STRUCT_OFFSET (EvViewClass, set_scroll_adjustments),
2380 ev_marshal_VOID__OBJECT_OBJECT,
2382 GTK_TYPE_ADJUSTMENT,
2383 GTK_TYPE_ADJUSTMENT);
2385 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
2386 G_TYPE_FROM_CLASS (object_class),
2387 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2388 G_STRUCT_OFFSET (EvViewClass, binding_activated),
2390 ev_marshal_VOID__ENUM_BOOLEAN,
2392 GTK_TYPE_SCROLL_TYPE,
2395 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
2396 G_TYPE_FROM_CLASS (object_class),
2397 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2398 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
2400 ev_marshal_VOID__VOID,
2401 G_TYPE_NONE, 0, G_TYPE_NONE);
2402 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
2403 G_TYPE_FROM_CLASS (object_class),
2404 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2405 G_STRUCT_OFFSET (EvViewClass, external_link),
2407 g_cclosure_marshal_VOID__OBJECT,
2410 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
2411 G_TYPE_FROM_CLASS (object_class),
2412 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2413 G_STRUCT_OFFSET (EvViewClass, popup_menu),
2415 g_cclosure_marshal_VOID__OBJECT,
2419 g_object_class_install_property (object_class,
2421 g_param_spec_string ("status",
2423 "The status message",
2427 g_object_class_install_property (object_class,
2429 g_param_spec_string ("find-status",
2430 "Find Status Message",
2431 "The find status message",
2435 g_object_class_install_property (object_class,
2437 g_param_spec_boolean ("continuous",
2439 "Continuous scrolling mode",
2441 G_PARAM_READWRITE));
2443 g_object_class_install_property (object_class,
2445 g_param_spec_boolean ("dual-page",
2447 "Two pages visible at once",
2449 G_PARAM_READWRITE));
2450 g_object_class_install_property (object_class,
2452 g_param_spec_boolean ("fullscreen",
2454 "Draw page in a fullscreen fashion",
2456 G_PARAM_READWRITE));
2457 g_object_class_install_property (object_class,
2459 g_param_spec_boolean ("presentation",
2461 "Draw page in presentation mode",
2463 G_PARAM_READWRITE));
2465 g_object_class_install_property (object_class,
2467 g_param_spec_enum ("sizing-mode",
2470 EV_TYPE_SIZING_MODE,
2471 EV_SIZING_FIT_WIDTH,
2472 G_PARAM_READWRITE));
2474 g_object_class_install_property (object_class,
2476 g_param_spec_double ("zoom",
2482 G_PARAM_READWRITE));
2483 g_object_class_install_property (object_class,
2485 g_param_spec_double ("rotation",
2491 G_PARAM_READWRITE));
2492 g_object_class_install_property (object_class,
2494 g_param_spec_boolean ("has-selection",
2496 "The view has selections",
2500 binding_set = gtk_binding_set_by_class (class);
2502 add_scroll_binding_keypad (binding_set, GDK_Left, GTK_SCROLL_STEP_BACKWARD, TRUE);
2503 add_scroll_binding_keypad (binding_set, GDK_Right, GTK_SCROLL_STEP_FORWARD, TRUE);
2504 add_scroll_binding_keypad (binding_set, GDK_Up, GTK_SCROLL_STEP_BACKWARD, FALSE);
2505 add_scroll_binding_keypad (binding_set, GDK_Down, GTK_SCROLL_STEP_FORWARD, FALSE);
2509 ev_view_init (EvView *view)
2511 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
2515 view->current_page = 0;
2516 view->pressed_button = -1;
2517 view->cursor = EV_VIEW_CURSOR_NORMAL;
2518 view->drag_info.in_drag = FALSE;
2519 view->selection_info.selections = NULL;
2520 view->selection_info.in_selection = FALSE;
2521 view->selection_info.in_drag = FALSE;
2522 view->selection_mode = EV_VIEW_SELECTION_TEXT;
2523 view->continuous = TRUE;
2524 view->dual_page = FALSE;
2525 view->presentation = FALSE;
2526 view->fullscreen = FALSE;
2527 view->sizing_mode = EV_SIZING_FIT_WIDTH;
2528 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2534 find_changed_cb (EvDocument *document, int page, EvView *view)
2536 jump_to_find_page (view, EV_VIEW_FIND_NEXT);
2537 jump_to_find_result (view);
2538 update_find_status_message (view);
2540 if (view->current_page == page)
2541 gtk_widget_queue_draw (GTK_WIDGET (view));
2545 job_finished_cb (EvPixbufCache *pixbuf_cache,
2548 gtk_widget_queue_draw (GTK_WIDGET (view));
2552 page_changed_cb (EvPageCache *page_cache,
2556 if (view->current_page != new_page) {
2558 view->current_page = new_page;
2559 view->pending_scroll = SCROLL_TO_CURRENT_PAGE;
2560 gtk_widget_queue_resize (GTK_WIDGET (view));
2562 if (EV_IS_DOCUMENT_FIND (view->document)) {
2563 view->find_page = new_page;
2564 view->find_result = 0;
2565 update_find_status_message (view);
2570 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
2575 if (! GTK_WIDGET_REALIZED (view))
2578 if (view->hadjustment) {
2579 dx = view->scroll_x - (int) view->hadjustment->value;
2580 view->scroll_x = (int) view->hadjustment->value;
2585 if (view->vadjustment) {
2586 dy = view->scroll_y - (int) view->vadjustment->value;
2587 view->scroll_y = (int) view->vadjustment->value;
2593 if (view->pending_resize)
2594 gtk_widget_queue_draw (GTK_WIDGET (view));
2596 gdk_window_scroll (GTK_WIDGET (view)->window, dx, dy);
2600 view_update_range_and_current_page (view);
2608 view = g_object_new (EV_TYPE_VIEW, NULL);
2614 setup_caches (EvView *view)
2616 view->page_cache = ev_page_cache_get (view->document);
2617 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
2618 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
2619 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
2623 clear_caches (EvView *view)
2625 if (view->pixbuf_cache) {
2626 g_object_unref (view->pixbuf_cache);
2627 view->pixbuf_cache = NULL;
2630 if (view->page_cache) {
2631 view->page_cache = NULL;
2636 ev_view_set_document (EvView *view,
2637 EvDocument *document)
2639 g_return_if_fail (EV_IS_VIEW (view));
2641 if (document != view->document) {
2642 clear_caches (view);
2644 if (view->document) {
2645 g_signal_handlers_disconnect_by_func (view->document,
2648 g_object_unref (view->document);
2649 view->page_cache = NULL;
2653 view->document = document;
2654 view->find_page = 0;
2655 view->find_result = 0;
2657 if (view->document) {
2658 g_object_ref (view->document);
2659 if (EV_IS_DOCUMENT_FIND (view->document)) {
2660 g_signal_connect (view->document,
2662 G_CALLBACK (find_changed_cb),
2666 setup_caches (view);
2669 gtk_widget_queue_resize (GTK_WIDGET (view));
2673 /*** Zoom and sizing mode ***/
2675 #define EPSILON 0.0000001
2677 ev_view_set_zoom (EvView *view,
2684 scale = view->scale * factor;
2688 scale = CLAMP (scale, MIN_SCALE, MAX_SCALE);
2690 if (ABS (view->scale - scale) < EPSILON)
2693 view->scale = scale;
2694 view->pending_resize = TRUE;
2696 gtk_widget_queue_resize (GTK_WIDGET (view));
2698 g_object_notify (G_OBJECT (view), "zoom");
2702 ev_view_get_zoom (EvView *view)
2708 ev_view_get_continuous (EvView *view)
2710 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2712 return view->continuous;
2716 ev_view_set_continuous (EvView *view,
2717 gboolean continuous)
2719 g_return_if_fail (EV_IS_VIEW (view));
2721 continuous = continuous != FALSE;
2723 if (view->continuous != continuous) {
2724 view->continuous = continuous;
2725 view->pending_scroll = SCROLL_TO_CURRENT_PAGE;
2726 gtk_widget_queue_resize (GTK_WIDGET (view));
2729 g_object_notify (G_OBJECT (view), "continuous");
2733 ev_view_get_dual_page (EvView *view)
2735 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2737 return view->dual_page;
2741 ev_view_set_dual_page (EvView *view,
2744 g_return_if_fail (EV_IS_VIEW (view));
2746 dual_page = dual_page != FALSE;
2748 if (view->dual_page == dual_page)
2751 view->pending_scroll = SCROLL_TO_CURRENT_PAGE;
2752 view->dual_page = dual_page;
2753 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
2754 * preload_cache_size to be 2 if dual_page is set.
2756 gtk_widget_queue_resize (GTK_WIDGET (view));
2758 g_object_notify (G_OBJECT (view), "dual-page");
2762 ev_view_set_fullscreen (EvView *view,
2763 gboolean fullscreen)
2765 g_return_if_fail (EV_IS_VIEW (view));
2767 fullscreen = fullscreen != FALSE;
2769 if (view->fullscreen == fullscreen)
2772 view->fullscreen = fullscreen;
2773 gtk_widget_queue_resize (GTK_WIDGET (view));
2775 g_object_notify (G_OBJECT (view), "fullscreen");
2779 ev_view_get_fullscreen (EvView *view)
2781 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2783 return view->fullscreen;
2787 ev_view_set_presentation (EvView *view,
2788 gboolean presentation)
2790 g_return_if_fail (EV_IS_VIEW (view));
2792 presentation = presentation != FALSE;
2794 if (view->presentation == presentation)
2797 view->presentation = presentation;
2798 view->pending_scroll = SCROLL_TO_CURRENT_PAGE;
2799 gtk_widget_queue_resize (GTK_WIDGET (view));
2801 if (GTK_WIDGET_REALIZED (view)) {
2802 if (view->presentation)
2803 gdk_window_set_background (GTK_WIDGET(view)->window,
2804 >K_WIDGET (view)->style->black);
2806 gdk_window_set_background (GTK_WIDGET(view)->window,
2807 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
2811 g_object_notify (G_OBJECT (view), "presentation");
2815 ev_view_get_presentation (EvView *view)
2817 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2819 return view->presentation;
2823 ev_view_set_sizing_mode (EvView *view,
2824 EvSizingMode sizing_mode)
2826 g_return_if_fail (EV_IS_VIEW (view));
2828 if (view->sizing_mode == sizing_mode)
2831 view->sizing_mode = sizing_mode;
2832 gtk_widget_queue_resize (GTK_WIDGET (view));
2834 g_object_notify (G_OBJECT (view), "sizing-mode");
2838 ev_view_get_sizing_mode (EvView *view)
2840 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
2842 return view->sizing_mode;
2846 ev_view_can_zoom_in (EvView *view)
2848 return view->scale * ZOOM_IN_FACTOR <= MAX_SCALE;
2852 ev_view_can_zoom_out (EvView *view)
2854 return view->scale * ZOOM_OUT_FACTOR >= MIN_SCALE;
2858 ev_view_zoom_in (EvView *view)
2860 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
2862 view->pending_scroll = SCROLL_TO_CENTER;
2863 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
2867 ev_view_zoom_out (EvView *view)
2869 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
2871 view->pending_scroll = SCROLL_TO_CENTER;
2872 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
2876 ev_view_rotate_right (EvView *view)
2878 int rotation = view->rotation + 90;
2880 if (rotation >= 360) {
2884 ev_view_set_rotation (view, rotation);
2888 ev_view_rotate_left (EvView *view)
2890 int rotation = view->rotation - 90;
2896 ev_view_set_rotation (view, rotation);
2900 ev_view_set_rotation (EvView *view, int rotation)
2902 view->rotation = rotation;
2904 if (view->pixbuf_cache) {
2905 ev_pixbuf_cache_clear (view->pixbuf_cache);
2906 gtk_widget_queue_resize (GTK_WIDGET (view));
2910 clear_selection (view);
2912 g_object_notify (G_OBJECT (view), "rotation");
2916 ev_view_get_rotation (EvView *view)
2918 return view->rotation;
2922 zoom_for_size_fit_width (int doc_width,
2930 scale = (double)target_width / doc_width;
2932 if (doc_height * scale > target_height)
2933 scale = (double) (target_width - vsb_width) / doc_width;
2939 zoom_for_size_fit_height (int doc_width,
2947 scale = (double)target_height / doc_height;
2949 if (doc_width * scale > target_width)
2950 scale = (double) (target_height - vsb_height) / doc_height;
2956 zoom_for_size_best_fit (int doc_width,
2966 w_scale = (double)target_width / doc_width;
2967 h_scale = (double)target_height / doc_height;
2969 if (doc_height * w_scale > target_height)
2970 w_scale = (double) (target_width - vsb_width) / doc_width;
2971 if (doc_width * h_scale > target_width)
2972 h_scale = (double) (target_height - hsb_width) / doc_height;
2974 return MIN (w_scale, h_scale);
2979 ev_view_zoom_for_size_presentation (EvView *view,
2983 int doc_width, doc_height;
2986 ev_page_cache_get_size (view->page_cache,
2992 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
2993 ev_view_set_zoom (view, scale, FALSE);
2997 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
3003 int doc_width, doc_height;
3007 ev_page_cache_get_max_width (view->page_cache,
3011 ev_page_cache_get_max_height (view->page_cache,
3015 compute_border (view, doc_width, doc_height, &border);
3017 doc_width = doc_width * 2;
3018 width -= (2 * (border.left + border.right) + 3 * view->spacing);
3019 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3021 /* FIXME: We really need to calculate the overall height here, not the
3022 * page height. We assume there's always a vertical scrollbar for
3023 * now. We need to fix this. */
3024 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3025 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3026 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3027 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3029 g_assert_not_reached ();
3031 ev_view_set_zoom (view, scale, FALSE);
3035 ev_view_zoom_for_size_continuous (EvView *view,
3041 int doc_width, doc_height;
3045 ev_page_cache_get_max_width (view->page_cache,
3049 ev_page_cache_get_max_height (view->page_cache,
3053 compute_border (view, doc_width, doc_height, &border);
3055 width -= (border.left + border.right + 2 * view->spacing);
3056 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3058 /* FIXME: We really need to calculate the overall height here, not the
3059 * page height. We assume there's always a vertical scrollbar for
3060 * now. We need to fix this. */
3061 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3062 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3063 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3064 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3066 g_assert_not_reached ();
3068 ev_view_set_zoom (view, scale, FALSE);
3072 ev_view_zoom_for_size_dual_page (EvView *view,
3079 gint doc_width, doc_height;
3083 other_page = view->current_page ^ 1;
3085 /* Find the largest of the two. */
3086 ev_page_cache_get_size (view->page_cache,
3090 &doc_width, &doc_height);
3092 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
3093 gint width_2, height_2;
3094 ev_page_cache_get_size (view->page_cache,
3098 &width_2, &height_2);
3099 if (width_2 > doc_width)
3100 doc_width = width_2;
3101 if (height_2 > doc_height)
3102 doc_height = height_2;
3104 compute_border (view, doc_width, doc_height, &border);
3106 doc_width = doc_width * 2;
3107 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
3108 height -= (border.top + border.bottom + 2 * view->spacing);
3110 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3111 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3112 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3113 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3115 g_assert_not_reached ();
3117 ev_view_set_zoom (view, scale, FALSE);
3121 ev_view_zoom_for_size_single_page (EvView *view,
3127 int doc_width, doc_height;
3131 ev_page_cache_get_size (view->page_cache,
3137 /* Get an approximate border */
3138 compute_border (view, width, height, &border);
3140 width -= (border.left + border.right + 2 * view->spacing);
3141 height -= (border.top + border.bottom + 2 * view->spacing);
3143 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3144 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3145 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3146 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3148 g_assert_not_reached ();
3150 ev_view_set_zoom (view, scale, FALSE);
3154 ev_view_set_zoom_for_size (EvView *view,
3160 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
3161 view->sizing_mode == EV_SIZING_BEST_FIT);
3162 g_return_if_fail (width >= 0);
3163 g_return_if_fail (height >= 0);
3165 if (view->document == NULL)
3168 if (view->presentation)
3169 ev_view_zoom_for_size_presentation (view, width, height);
3170 else if (view->continuous && view->dual_page)
3171 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
3172 else if (view->continuous)
3173 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
3174 else if (view->dual_page)
3175 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
3177 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
3180 /*** Status text messages ***/
3183 ev_view_get_status (EvView *view)
3185 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3187 return view->status;
3191 ev_view_set_status (EvView *view, const char *message)
3193 g_return_if_fail (EV_IS_VIEW (view));
3195 if (message != view->status) {
3196 g_free (view->status);
3197 view->status = g_strdup (message);
3198 g_object_notify (G_OBJECT (view), "status");
3203 update_find_status_message (EvView *view)
3207 if (view->current_page == view->find_page) {
3210 results = ev_document_find_get_n_results
3211 (EV_DOCUMENT_FIND (view->document),
3212 view->current_page);
3213 /* TRANS: Sometimes this could be better translated as
3214 "%d hit(s) on this page". Therefore this string
3215 contains plural cases. */
3216 message = g_strdup_printf (ngettext ("%d found on this page",
3217 "%d found on this page",
3223 percent = ev_document_find_get_progress
3224 (EV_DOCUMENT_FIND (view->document));
3225 if (percent >= (1.0 - 1e-10)) {
3226 message = g_strdup (_("Not found"));
3228 message = g_strdup_printf (_("%3d%% remaining to search"),
3229 (int) ((1.0 - percent) * 100));
3233 ev_view_set_find_status (view, message);
3238 ev_view_get_find_status (EvView *view)
3240 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3242 return view->find_status;
3246 ev_view_set_find_status (EvView *view, const char *message)
3248 g_return_if_fail (EV_IS_VIEW (view));
3250 g_free (view->find_status);
3251 view->find_status = g_strdup (message);
3252 g_object_notify (G_OBJECT (view), "find-status");
3258 jump_to_find_result (EvView *view)
3260 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3262 GdkRectangle view_rect;
3264 int page = view->find_page;
3266 n_results = ev_document_find_get_n_results (find, page);
3268 if (n_results > 0 && view->find_result < n_results) {
3269 ev_document_find_get_result
3270 (find, page, view->find_result, &rect);
3272 doc_rect_to_view_rect (view, page, &rect, &view_rect);
3273 ensure_rectangle_is_visible (view, &view_rect);
3278 jump_to_find_page (EvView *view, EvViewFindDirection direction)
3282 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3284 for (i = 0; i < n_pages; i++) {
3288 if (direction == EV_VIEW_FIND_NEXT)
3289 page = view->find_page + i;
3291 page = view->find_page - i;
3294 if (page >= n_pages) {
3295 page = page - n_pages;
3298 page = page + n_pages;
3300 has_results = ev_document_find_page_has_results
3301 (EV_DOCUMENT_FIND (view->document), page);
3302 if (has_results == -1) {
3303 view->find_page = page;
3305 } else if (has_results == 1) {
3306 ev_page_cache_set_current_page (view->page_cache, page);
3313 ev_view_can_find_next (EvView *view)
3315 if (EV_IS_DOCUMENT_FIND (view->document)) {
3316 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3319 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3320 for (i = 0; i < n_pages; i++) {
3321 if (ev_document_find_get_n_results (find, i) > 0) {
3331 ev_view_find_next (EvView *view)
3333 int n_results, n_pages;
3334 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3336 n_results = ev_document_find_get_n_results (find, view->current_page);
3338 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3340 view->find_result++;
3342 if (view->find_result >= n_results) {
3344 view->find_result = 0;
3346 if (view->find_page >= n_pages) {
3347 view->find_page = 0;
3350 jump_to_find_page (view, EV_VIEW_FIND_NEXT);
3351 jump_to_find_result (view);
3353 jump_to_find_result (view);
3354 gtk_widget_queue_draw (GTK_WIDGET (view));
3359 ev_view_find_previous (EvView *view)
3361 int n_results, n_pages;
3362 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3363 EvPageCache *page_cache;
3365 page_cache = ev_page_cache_get (view->document);
3367 n_results = ev_document_find_get_n_results (find, view->current_page);
3369 n_pages = ev_page_cache_get_n_pages (page_cache);
3371 view->find_result--;
3373 if (view->find_result < 0) {
3376 if (view->find_page < 0) {
3377 view->find_page = n_pages - 1;
3380 jump_to_find_page (view, EV_VIEW_FIND_PREV);
3381 view->find_result = ev_document_find_get_n_results (find, view->current_page) - 1;
3382 jump_to_find_result (view);
3384 jump_to_find_result (view);
3385 gtk_widget_queue_draw (GTK_WIDGET (view));
3389 /*** Selections ***/
3391 /* compute_new_selection_rect/text calculates the area currently selected by
3392 * view_rect. each handles a different mode;
3395 compute_new_selection_rect (EvView *view,
3399 GdkRectangle view_rect;
3403 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
3405 view_rect.x = MIN (start->x, stop->x);
3406 view_rect.y = MIN (start->y, stop->y);
3407 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
3408 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
3410 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3412 for (i = 0; i < n_pages; i++) {
3413 GdkRectangle page_area;
3416 if (get_page_extents (view, i, &page_area, &border)) {
3417 GdkRectangle overlap;
3419 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
3420 EvViewSelection *selection;
3422 selection = g_new0 (EvViewSelection, 1);
3423 selection->page = i;
3424 view_rect_to_doc_rect (view, &overlap, &page_area,
3425 &(selection->rect));
3427 list = g_list_append (list, selection);
3436 gdk_rectangle_point_in (GdkRectangle *rectangle,
3439 return rectangle->x <= point->x &&
3440 rectangle->y <= point->y &&
3441 point->x < rectangle->x + rectangle->width &&
3442 point->y < rectangle->y + rectangle->height;
3446 compute_new_selection_text (EvView *view,
3450 int n_pages, i, first, last;
3452 EvViewSelection *selection;
3454 int start_page, end_page;
3456 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
3458 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3460 /* First figure out the range of pages the selection
3464 if (view->continuous) {
3467 } else if (view->dual_page) {
3468 start_page = view->start_page;
3469 end_page = view->end_page + 1;
3471 start_page = view->current_page;
3472 end_page = view->current_page + 1;
3475 for (i = start_page; i < end_page; i++) {
3476 GdkRectangle page_area;
3479 get_page_extents (view, i, &page_area, &border);
3480 if (gdk_rectangle_point_in (&page_area, start) ||
3481 gdk_rectangle_point_in (&page_area, stop)) {
3482 if (first == n_pages)
3491 /* Now create a list of EvViewSelection's for the affected
3492 * pages. This could be an empty list, a list of just one
3493 * page or a number of pages.*/
3494 for (i = first; i < last + 1; i++) {
3495 GdkRectangle page_area;
3499 ev_page_cache_get_size (view->page_cache, i,
3501 1.0, &width, &height);
3503 selection = g_new0 (EvViewSelection, 1);
3504 selection->page = i;
3505 selection->rect.x1 = selection->rect.y1 = 0;
3506 selection->rect.x2 = width;
3507 selection->rect.y2 = height;
3509 get_page_extents (view, i, &page_area, &border);
3511 if (gdk_rectangle_point_in (&page_area, start))
3517 view_point_to_doc_point (view, point, &page_area,
3518 &selection->rect.x1,
3519 &selection->rect.y1);
3521 /* If the selection is contained within just one page,
3522 * make sure we don't write 'start' into both points
3523 * in selection->rect. */
3528 view_point_to_doc_point (view, point, &page_area,
3529 &selection->rect.x2,
3530 &selection->rect.y2);
3532 list = g_list_append (list, selection);
3538 /* This function takes the newly calculated list, and figures out which regions
3539 * have changed. It then queues a redraw approporiately.
3542 merge_selection_region (EvView *view,
3546 GList *new_list_ptr, *old_list_ptr;
3548 /* Update the selection */
3549 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
3550 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
3551 view->selection_info.selections = new_list;
3552 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
3553 g_object_notify (G_OBJECT (view), "has-selection");
3555 new_list_ptr = new_list;
3556 old_list_ptr = old_list;
3558 while (new_list_ptr || old_list_ptr) {
3559 EvViewSelection *old_sel, *new_sel;
3561 GdkRegion *region = NULL;
3563 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
3564 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
3566 /* Assume that the lists are in order, and we run through them
3567 * comparing them, one page at a time. We come out with the
3568 * first page we see. */
3569 if (new_sel && old_sel) {
3570 if (new_sel->page < old_sel->page) {
3571 new_list_ptr = new_list_ptr->next;
3573 } else if (new_sel->page > old_sel->page) {
3574 old_list_ptr = old_list_ptr->next;
3577 new_list_ptr = new_list_ptr->next;
3578 old_list_ptr = old_list_ptr->next;
3580 } else if (new_sel) {
3581 new_list_ptr = new_list_ptr->next;
3582 } else if (old_sel) {
3583 old_list_ptr = old_list_ptr->next;
3586 g_assert (new_sel || old_sel);
3588 /* is the page we're looking at on the screen?*/
3589 cur_page = new_sel ? new_sel->page : old_sel->page;
3590 if (cur_page < view->start_page || cur_page > view->end_page)
3593 /* seed the cache with a new page. We are going to need the new
3596 GdkRegion *tmp_region = NULL;
3597 ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
3602 new_sel->covered_region = gdk_region_copy (tmp_region);
3606 /* Now we figure out what needs redrawing */
3607 if (old_sel && new_sel) {
3608 if (old_sel->covered_region &&
3609 new_sel->covered_region) {
3610 /* We only want to redraw the areas that have
3611 * changed, so we xor the old and new regions
3612 * and redraw if it's different */
3613 region = gdk_region_copy (old_sel->covered_region);
3614 gdk_region_xor (region, new_sel->covered_region);
3615 if (gdk_region_empty (region)) {
3616 gdk_region_destroy (region);
3619 } else if (old_sel->covered_region) {
3620 region = gdk_region_copy (old_sel->covered_region);
3621 } else if (new_sel->covered_region) {
3622 region = gdk_region_copy (new_sel->covered_region);
3624 } else if (old_sel && !new_sel) {
3625 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
3626 region = gdk_region_copy (old_sel->covered_region);
3628 } else if (!old_sel && new_sel) {
3629 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
3630 region = gdk_region_copy (new_sel->covered_region);
3633 g_assert_not_reached ();
3636 /* Redraw the damaged region! */
3638 GdkRectangle page_area;
3641 get_page_extents (view, cur_page, &page_area, &border);
3642 gdk_region_offset (region,
3643 page_area.x + border.left - view->scroll_x,
3644 page_area.y + border.top - view->scroll_y);
3645 gdk_window_invalidate_region (GTK_WIDGET (view)->window, region, TRUE);
3646 gdk_region_destroy (region);
3650 /* Free the old list, now that we're done with it. */
3651 g_list_foreach (old_list, (GFunc) selection_free, NULL);
3655 compute_selections (EvView *view,
3661 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
3662 list = compute_new_selection_rect (view, start, stop);
3664 list = compute_new_selection_text (view, start, stop);
3665 merge_selection_region (view, list);
3668 /* Free's the selection. It's up to the caller to queue redraws if needed.
3671 selection_free (EvViewSelection *selection)
3673 if (selection->covered_region)
3674 gdk_region_destroy (selection->covered_region);
3679 clear_selection (EvView *view)
3681 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
3682 view->selection_info.selections = NULL;
3683 view->selection_info.in_selection = FALSE;
3684 g_object_notify (G_OBJECT (view), "has-selection");
3689 ev_view_select_all (EvView *view)
3693 /* Disable selection on rotated pages for the 0.4.0 series */
3694 if (view->rotation != 0)
3697 clear_selection (view);
3699 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3700 for (i = 0; i < n_pages; i++) {
3702 EvViewSelection *selection;
3704 ev_page_cache_get_size (view->page_cache,
3707 1.0, &width, &height);
3709 selection = g_new0 (EvViewSelection, 1);
3710 selection->page = i;
3711 selection->rect.x1 = selection->rect.y1 = 0;
3712 selection->rect.x2 = width;
3713 selection->rect.y2 = height;
3715 view->selection_info.selections = g_list_append (view->selection_info.selections, selection);
3718 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, view->selection_info.selections);
3719 g_object_notify (G_OBJECT (view), "has-selection");
3720 gtk_widget_queue_draw (GTK_WIDGET (view));
3724 ev_view_get_has_selection (EvView *view)
3726 return view->selection_info.selections != NULL;
3730 get_selected_text (EvView *ev_view)
3735 text = g_string_new (NULL);
3737 ev_document_doc_mutex_lock ();
3739 for (l = ev_view->selection_info.selections; l != NULL; l = l->next) {
3740 EvViewSelection *selection = (EvViewSelection *)l->data;
3743 tmp = ev_document_get_text (ev_view->document,
3746 g_string_append (text, tmp);
3750 ev_document_doc_mutex_unlock ();
3752 return g_string_free (text, FALSE);
3756 ev_view_copy (EvView *ev_view)
3758 GtkClipboard *clipboard;
3761 if (!ev_document_can_get_text (ev_view->document)) {
3765 text = get_selected_text (ev_view);
3766 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
3767 GDK_SELECTION_CLIPBOARD);
3768 gtk_clipboard_set_text (clipboard, text, -1);
3773 ev_view_primary_get_cb (GtkClipboard *clipboard,
3774 GtkSelectionData *selection_data,
3778 EvView *ev_view = EV_VIEW (data);
3781 if (!ev_document_can_get_text (ev_view->document)) {
3785 text = get_selected_text (ev_view);
3786 gtk_selection_data_set_text (selection_data, text, -1);
3791 ev_view_primary_clear_cb (GtkClipboard *clipboard,
3794 EvView *view = EV_VIEW (data);
3796 clear_selection (view);
3800 ev_view_update_primary_selection (EvView *ev_view)
3802 GtkClipboard *clipboard;
3804 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
3805 GDK_SELECTION_PRIMARY);
3807 if (ev_view->selection_info.selections) {
3808 if (!gtk_clipboard_set_with_owner (clipboard,
3810 G_N_ELEMENTS (targets),
3811 ev_view_primary_get_cb,
3812 ev_view_primary_clear_cb,
3813 G_OBJECT (ev_view)))
3814 ev_view_primary_clear_cb (clipboard, ev_view);
3816 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
3817 gtk_clipboard_clear (clipboard);
3821 /*** Cursor operations ***/
3824 ev_view_create_invisible_cursor(void)
3827 GdkColor black = { 0, 0, 0, 0 };
3828 static char bits[] = { 0x00 };
3830 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
3832 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
3836 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
3838 GdkCursor *cursor = NULL;
3839 GdkDisplay *display;
3842 if (view->cursor == new_cursor) {
3846 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
3847 display = gtk_widget_get_display (widget);
3848 view->cursor = new_cursor;
3850 switch (new_cursor) {
3851 case EV_VIEW_CURSOR_NORMAL:
3852 gdk_window_set_cursor (widget->window, NULL);
3854 case EV_VIEW_CURSOR_IBEAM:
3855 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
3857 case EV_VIEW_CURSOR_LINK:
3858 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
3860 case EV_VIEW_CURSOR_WAIT:
3861 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
3863 case EV_VIEW_CURSOR_HIDDEN:
3864 cursor = ev_view_create_invisible_cursor ();
3866 case EV_VIEW_CURSOR_DRAG:
3867 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
3872 gdk_window_set_cursor (widget->window, cursor);
3873 gdk_cursor_unref (cursor);
3879 ev_view_hide_cursor (EvView *view)
3881 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
3885 ev_view_show_cursor (EvView *view)
3887 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
3891 ev_view_next_page (EvView *view)
3895 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3897 page = ev_page_cache_get_current_page (view->page_cache);
3898 page = ev_view_get_dual_page (view) ? page + 2 : page + 1;
3900 if (page < ev_page_cache_get_n_pages (view->page_cache)) {
3901 ev_page_cache_set_current_page (view->page_cache, page);
3909 ev_view_previous_page (EvView *view)
3913 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3915 page = ev_page_cache_get_current_page (view->page_cache);
3916 page = ev_view_get_dual_page (view) ? page - 2 : page - 1;
3919 ev_page_cache_set_current_page (view->page_cache, page);
3926 /*** Enum description for usage in signal ***/
3929 ev_sizing_mode_get_type (void)
3931 static GType etype = 0;
3933 static const GEnumValue values[] = {
3934 { EV_SIZING_FIT_WIDTH, "EV_SIZING_FIT_WIDTH", "fit-width" },
3935 { EV_SIZING_BEST_FIT, "EV_SIZING_BEST_FIT", "best-fit" },
3936 { EV_SIZING_FREE, "EV_SIZING_FREE", "free" },
3939 etype = g_enum_register_static ("EvSizingMode", values);