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"
34 #include "ev-selection.h"
35 #include "ev-document-find.h"
36 #include "ev-document-misc.h"
38 #include "ev-job-queue.h"
39 #include "ev-page-cache.h"
40 #include "ev-pixbuf-cache.h"
41 #include "ev-tooltip.h"
43 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
44 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
45 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
63 SIGNAL_BINDING_ACTIVATED,
74 TARGET_TEXT_BUFFER_CONTENTS
77 static const GtkTargetEntry targets[] = {
78 { "STRING", 0, TARGET_STRING },
79 { "TEXT", 0, TARGET_TEXT },
80 { "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT },
81 { "UTF8_STRING", 0, TARGET_UTF8_STRING },
84 static guint signals[N_SIGNALS];
87 EV_VIEW_CURSOR_NORMAL,
91 EV_VIEW_CURSOR_HIDDEN,
98 } EvViewFindDirection;
100 #define ZOOM_IN_FACTOR 1.2
101 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
103 #define MIN_SCALE 0.05409
104 #define MAX_SCALE 4.0
106 /* Information for middle clicking and moving around the doc */
114 /* Information for handling selection */
116 gboolean in_selection;
123 SCROLL_TO_KEEP_POSITION,
124 SCROLL_TO_CURRENT_PAGE,
129 GtkWidget parent_instance;
131 EvDocument *document;
137 GtkAdjustment *hadjustment;
138 GtkAdjustment *vadjustment;
143 /* Information for middle clicking and dragging around. */
149 guint selection_update_id;
151 EvViewSelectionMode selection_mode;
152 SelectionInfo selection_info;
156 GtkWidget *link_tooltip;
157 EvLink *hovered_link;
159 EvPageCache *page_cache;
160 EvPixbufCache *pixbuf_cache;
166 EvJobRender *current_job;
178 gboolean presentation;
179 EvSizingMode sizing_mode;
181 PendingScroll pending_scroll;
182 gboolean pending_resize;
185 struct _EvViewClass {
186 GtkWidgetClass parent_class;
188 void (*set_scroll_adjustments) (EvView *view,
189 GtkAdjustment *hadjustment,
190 GtkAdjustment *vadjustment);
191 void (*binding_activated) (EvView *view,
192 GtkScrollType scroll,
193 gboolean horizontal);
194 void (*zoom_invalid) (EvView *view);
195 void (*external_link) (EvView *view,
200 static void scroll_to_current_page (EvView *view,
201 GtkOrientation orientation);
202 static void ev_view_set_scroll_adjustments (EvView *view,
203 GtkAdjustment *hadjustment,
204 GtkAdjustment *vadjustment);
205 static void view_update_range_and_current_page (EvView *view);
206 static void set_scroll_adjustment (EvView *view,
207 GtkOrientation orientation,
208 GtkAdjustment *adjustment);
209 static void ev_view_set_scroll_adjustments (EvView *view,
210 GtkAdjustment *hadjustment,
211 GtkAdjustment *vadjustment);
212 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
214 GtkScrollType scroll,
215 gboolean horizontal);
216 static void ev_view_binding_activated (EvView *view,
217 GtkScrollType scroll,
218 gboolean horizontal);
219 static void ensure_rectangle_is_visible (EvView *view,
222 /*** Geometry computations ***/
223 static void compute_border (EvView *view,
227 static void get_page_y_offset (EvView *view,
231 static gboolean get_page_extents (EvView *view,
233 GdkRectangle *page_area,
235 static void view_rect_to_doc_rect (EvView *view,
236 GdkRectangle *view_rect,
237 GdkRectangle *page_area,
238 EvRectangle *doc_rect);
239 static void doc_rect_to_view_rect (EvView *view,
241 EvRectangle *doc_rect,
242 GdkRectangle *view_rect);
243 static void find_page_at_location (EvView *view,
251 static EvLink* get_link_at_location (EvView *view,
254 static char* tip_from_link (EvView *view,
256 static void handle_link_over_xy (EvView *view,
259 /*** GtkWidget implementation ***/
260 static void ev_view_size_request_continuous_dual_page (EvView *view,
261 GtkRequisition *requisition);
262 static void ev_view_size_request_continuous (EvView *view,
263 GtkRequisition *requisition);
264 static void ev_view_size_request_dual_page (EvView *view,
265 GtkRequisition *requisition);
266 static void ev_view_size_request_single_page (EvView *view,
267 GtkRequisition *requisition);
268 static void ev_view_size_request (GtkWidget *widget,
269 GtkRequisition *requisition);
270 static void ev_view_size_allocate (GtkWidget *widget,
271 GtkAllocation *allocation);
272 static void ev_view_realize (GtkWidget *widget);
273 static gboolean ev_view_scroll_event (GtkWidget *widget,
274 GdkEventScroll *event);
275 static gboolean ev_view_expose_event (GtkWidget *widget,
276 GdkEventExpose *event);
277 static gboolean ev_view_button_press_event (GtkWidget *widget,
278 GdkEventButton *event);
279 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
280 GdkEventMotion *event);
281 static gboolean ev_view_button_release_event (GtkWidget *widget,
282 GdkEventButton *event);
283 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
284 GdkEventCrossing *event);
285 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
286 GdkEventCrossing *event);
287 static void ev_view_style_set (GtkWidget *widget,
288 GtkStyle *old_style);
291 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
292 static void draw_rubberband (GtkWidget *widget,
294 const GdkRectangle *rect,
296 static void highlight_find_results (EvView *view,
298 static void draw_one_page (EvView *view,
300 GdkRectangle *page_area,
302 GdkRectangle *expose_area);
305 static void find_changed_cb (EvDocument *document,
308 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
310 static void page_changed_cb (EvPageCache *page_cache,
313 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
317 static void ev_view_finalize (GObject *object);
318 static void ev_view_destroy (GtkObject *object);
319 static void ev_view_set_property (GObject *object,
323 static void ev_view_get_property (GObject *object,
327 static void ev_view_class_init (EvViewClass *class);
328 static void ev_view_init (EvView *view);
330 /*** Zoom and sizing ***/
331 static double zoom_for_size_fit_width (int doc_width,
336 static double zoom_for_size_fit_height (int doc_width,
341 static double zoom_for_size_best_fit (int doc_width,
347 static void ev_view_zoom_for_size_presentation (EvView *view,
350 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
355 static void ev_view_zoom_for_size_continuous (EvView *view,
360 static void ev_view_zoom_for_size_dual_page (EvView *view,
365 static void ev_view_zoom_for_size_single_page (EvView *view,
371 static GdkCursor* ev_view_create_invisible_cursor (void);
372 static void ev_view_set_cursor (EvView *view,
373 EvViewCursor new_cursor);
375 /*** Status messages ***/
376 static void ev_view_set_status (EvView *view,
377 const char *message);
378 static void update_find_status_message (EvView *view);
379 static void ev_view_set_find_status (EvView *view,
380 const char *message);
382 static void jump_to_find_result (EvView *view);
383 static void jump_to_find_page (EvView *view,
384 EvViewFindDirection direction);
387 static void compute_selections (EvView *view,
390 static void clear_selection (EvView *view);
391 static void selection_free (EvViewSelection *selection);
392 static char* get_selected_text (EvView *ev_view);
393 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
394 GtkSelectionData *selection_data,
397 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
399 static void ev_view_update_primary_selection (EvView *ev_view);
402 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_WIDGET)
405 scroll_to_current_page (EvView *view, GtkOrientation orientation)
407 GdkRectangle page_area;
410 if (view->document == NULL) {
414 get_page_extents (view, view->current_page, &page_area, &border);
416 if (orientation == GTK_ORIENTATION_VERTICAL) {
417 if (view->continuous) {
418 gtk_adjustment_clamp_page (view->vadjustment,
419 page_area.y - view->spacing,
420 page_area.y + view->vadjustment->page_size);
422 gtk_adjustment_set_value (view->vadjustment,
423 view->vadjustment->lower);
426 if (view->dual_page) {
427 gtk_adjustment_clamp_page (view->hadjustment,
429 page_area.x + view->hadjustment->page_size);
431 gtk_adjustment_set_value (view->hadjustment,
432 CLAMP (view->hadjustment->value,
433 view->hadjustment->lower,
434 view->hadjustment->upper -
435 view->hadjustment->page_size));
441 view_set_adjustment_values (EvView *view,
442 GtkOrientation orientation)
444 GtkWidget *widget = GTK_WIDGET (view);
445 GtkAdjustment *adjustment;
452 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
453 requisition = widget->requisition.width;
454 allocation = widget->allocation.width;
455 adjustment = view->hadjustment;
457 requisition = widget->requisition.height;
458 allocation = widget->allocation.height;
459 adjustment = view->vadjustment;
466 switch (view->pending_scroll) {
467 case SCROLL_TO_KEEP_POSITION:
468 factor = (adjustment->value) / adjustment->upper;
470 case SCROLL_TO_CURRENT_PAGE:
472 case SCROLL_TO_CENTER:
473 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
477 adjustment->page_size = allocation;
478 adjustment->step_increment = allocation * 0.1;
479 adjustment->page_increment = allocation * 0.9;
480 adjustment->lower = 0;
481 adjustment->upper = MAX (allocation, requisition);
484 * We add 0.5 to the values before to average out our rounding errors.
486 switch (view->pending_scroll) {
487 case SCROLL_TO_KEEP_POSITION:
488 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
489 gtk_adjustment_set_value (adjustment, (int)new_value);
491 case SCROLL_TO_CURRENT_PAGE:
492 scroll_to_current_page (view, orientation);
494 case SCROLL_TO_CENTER:
495 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
496 0, adjustment->upper - adjustment->page_size);
497 gtk_adjustment_set_value (adjustment, (int)new_value);
501 gtk_adjustment_changed (adjustment);
505 view_update_range_and_current_page (EvView *view)
507 if (view->pending_scroll != SCROLL_TO_KEEP_POSITION)
510 /* Presentation trumps all other modes */
511 if (view->presentation) {
512 view->start_page = view->current_page;
513 view->end_page = view->current_page;
514 } else if (view->continuous) {
515 GdkRectangle current_area, unused, page_area;
518 gboolean found = FALSE;
521 if (!(view->vadjustment && view->hadjustment))
524 current_area.x = view->hadjustment->value;
525 current_area.width = view->hadjustment->upper;
526 current_area.y = view->vadjustment->value;
527 current_area.height = view->vadjustment->page_size;
529 for (i = 0; i < ev_page_cache_get_n_pages (view->page_cache); i++) {
531 get_page_extents (view, i, &page_area, &border);
533 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
535 view->start_page = i;
545 current_page = ev_page_cache_get_current_page (view->page_cache);
547 if (current_page < view->start_page || current_page > view->end_page) {
548 view->current_page = view->start_page;
549 ev_page_cache_set_current_page (view->page_cache, view->start_page);
552 if (view->dual_page) {
553 if (view->current_page % 2 == 0) {
554 view->start_page = view->current_page;
555 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache))
556 view->end_page = view->start_page + 1;
558 view->end_page = view->start_page;
560 view->start_page = view->current_page - 1;
561 view->end_page = view->current_page;
564 view->start_page = view->current_page;
565 view->end_page = view->current_page;
569 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
574 view->selection_info.selections);
578 set_scroll_adjustment (EvView *view,
579 GtkOrientation orientation,
580 GtkAdjustment *adjustment)
582 GtkAdjustment **to_set;
584 if (orientation == GTK_ORIENTATION_HORIZONTAL)
585 to_set = &view->hadjustment;
587 to_set = &view->vadjustment;
589 if (*to_set != adjustment) {
591 g_signal_handlers_disconnect_by_func (*to_set,
592 (gpointer) on_adjustment_value_changed,
594 g_object_unref (*to_set);
597 *to_set = adjustment;
598 view_set_adjustment_values (view, orientation);
601 g_object_ref (*to_set);
602 g_signal_connect (*to_set, "value_changed",
603 G_CALLBACK (on_adjustment_value_changed), view);
609 ev_view_set_scroll_adjustments (EvView *view,
610 GtkAdjustment *hadjustment,
611 GtkAdjustment *vadjustment)
613 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
614 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
616 on_adjustment_value_changed (NULL, view);
620 add_scroll_binding_keypad (GtkBindingSet *binding_set,
622 GtkScrollType scroll,
625 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
627 gtk_binding_entry_add_signal (binding_set, keyval, 0,
628 "binding_activated", 2,
629 GTK_TYPE_SCROLL_TYPE, scroll,
630 G_TYPE_BOOLEAN, horizontal);
631 gtk_binding_entry_add_signal (binding_set, keypad_keyval, 0,
632 "binding_activated", 2,
633 GTK_TYPE_SCROLL_TYPE, scroll,
634 G_TYPE_BOOLEAN, horizontal);
638 ev_view_scroll (EvView *view,
641 GtkAdjustment *adjustment;
642 double value, increment;
643 gboolean first_page = FALSE;
644 gboolean last_page = FALSE;
646 /* Assign values for increment and vertical adjustment */
647 adjustment = view->vadjustment;
648 increment = adjustment->page_size * 0.75;
649 value = adjustment->value;
651 /* Assign boolean for first and last page */
652 if (view->current_page == 0)
654 if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1)
658 case EV_SCROLL_PAGE_BACKWARD:
659 /* Do not jump backwards if at the first page */
660 if (value == (adjustment->lower) && first_page) {
662 /* At the top of a page, assign the upper bound limit of previous page */
663 } else if (value == (adjustment->lower)) {
664 value = adjustment->upper - adjustment->page_size;
665 ev_page_cache_set_current_page (view->page_cache, view->current_page - 1);
666 /* Jump to the top */
668 value = MAX (value - increment, adjustment->lower);
671 case EV_SCROLL_PAGE_FORWARD:
672 /* Do not jump forward if at the last page */
673 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
675 /* At the bottom of a page, assign the lower bound limit of next page */
676 } else if (value == (adjustment->upper - adjustment->page_size)) {
678 ev_page_cache_set_current_page (view->page_cache, view->current_page + 1);
679 /* Jump to the bottom */
681 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
688 gtk_adjustment_set_value (adjustment, value);
692 ev_view_binding_activated (EvView *view,
693 GtkScrollType scroll,
696 GtkAdjustment *adjustment;
699 if (view->presentation) {
701 case GTK_SCROLL_STEP_BACKWARD:
702 ev_view_previous_page (view);
704 case GTK_SCROLL_STEP_FORWARD:
705 ev_view_next_page (view);
714 adjustment = view->hadjustment;
716 adjustment = view->vadjustment;
719 value = adjustment->value;
722 case GTK_SCROLL_STEP_BACKWARD:
723 value -= adjustment->step_increment;
725 case GTK_SCROLL_STEP_FORWARD:
726 value += adjustment->step_increment;
732 value = CLAMP (value, adjustment->lower,
733 adjustment->upper - adjustment->page_size);
735 gtk_adjustment_set_value (adjustment, value);
741 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
743 GtkWidget *widget = GTK_WIDGET (view);
744 GtkAdjustment *adjustment;
747 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
749 adjustment = view->vadjustment;
751 if (rect->y < adjustment->value) {
752 value = MAX (adjustment->lower, rect->y - MARGIN);
753 gtk_adjustment_set_value (view->vadjustment, value);
754 } else if (rect->y + rect->height >
755 adjustment->value + widget->allocation.height) {
756 value = MIN (adjustment->upper, rect->y + rect->height -
757 widget->allocation.height + MARGIN);
758 gtk_adjustment_set_value (view->vadjustment, value);
761 adjustment = view->hadjustment;
763 if (rect->x < adjustment->value) {
764 value = MAX (adjustment->lower, rect->x - MARGIN);
765 gtk_adjustment_set_value (view->hadjustment, value);
766 } else if (rect->x + rect->height >
767 adjustment->value + widget->allocation.width) {
768 value = MIN (adjustment->upper, rect->x + rect->width -
769 widget->allocation.width + MARGIN);
770 gtk_adjustment_set_value (view->hadjustment, value);
774 /*** Geometry computations ***/
777 compute_border (EvView *view, int width, int height, GtkBorder *border)
779 if (view->presentation) {
785 ev_document_misc_get_page_border_size (width, height, border);
790 get_page_y_offset (EvView *view, int page, double zoom, int *y_offset)
792 int max_width, offset;
795 g_return_if_fail (y_offset != NULL);
797 ev_page_cache_get_max_width (view->page_cache, view->rotation, zoom, &max_width);
799 compute_border (view, max_width, max_width, &border);
801 if (view->dual_page) {
802 ev_page_cache_get_height_to_page (view->page_cache, page,
803 view->rotation, zoom, NULL, &offset);
804 offset += (page / 2 + 1) * view->spacing + (page / 2) * (border.top + border.bottom);
806 ev_page_cache_get_height_to_page (view->page_cache, page,
807 view->rotation, zoom, &offset, NULL);
808 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
816 get_page_extents (EvView *view,
818 GdkRectangle *page_area,
824 widget = GTK_WIDGET (view);
826 /* Get the size of the page */
827 ev_page_cache_get_size (view->page_cache, page,
831 compute_border (view, width, height, border);
832 page_area->width = width + border->left + border->right;
833 page_area->height = height + border->top + border->bottom;
835 if (view->presentation) {
836 page_area->x = (MAX (0, widget->allocation.width - width))/2;
837 page_area->y = (MAX (0, widget->allocation.height - height))/2;
838 } else if (view->continuous) {
842 ev_page_cache_get_max_width (view->page_cache, view->rotation,
843 view->scale, &max_width);
844 max_width = max_width + border->left + border->right;
845 /* Get the location of the bounding box */
846 if (view->dual_page) {
847 x = view->spacing + (page % 2) * (max_width + view->spacing);
848 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
850 x = x + (max_width - width - border->left - border->right);
853 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
856 get_page_y_offset (view, page, view->scale, &y);
862 if (view->dual_page) {
863 gint width_2, height_2;
864 gint max_width = width;
865 gint max_height = height;
866 GtkBorder overall_border;
869 other_page = page ^ 1;
871 /* First, we get the bounding box of the two pages */
872 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
873 ev_page_cache_get_size (view->page_cache,
877 &width_2, &height_2);
880 if (height_2 > height)
881 max_height = height_2;
883 compute_border (view, max_width, max_height, &overall_border);
885 /* Find the offsets */
889 /* Adjust for being the left or right page */
891 x = x + max_width - width;
893 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
895 y = y + (max_height - height)/2;
897 /* Adjust for extra allocation */
898 x = x + MAX (0, widget->allocation.width -
899 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
900 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
905 /* Adjust for extra allocation */
906 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
907 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
918 view_point_to_doc_point (EvView *view,
919 GdkPoint *view_point,
920 GdkRectangle *page_area,
924 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
925 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
929 view_rect_to_doc_rect (EvView *view,
930 GdkRectangle *view_rect,
931 GdkRectangle *page_area,
932 EvRectangle *doc_rect)
934 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
935 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
936 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
937 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
941 doc_point_to_view_point (EvView *view,
944 GdkPoint *view_point)
946 GdkRectangle page_area;
948 double x, y, view_x, view_y;
951 ev_page_cache_get_size (view->page_cache, page,
956 if (view->rotation == 0) {
959 } else if (view->rotation == 90) {
960 x = width - doc_point->y;
962 } else if (view->rotation == 180) {
963 x = width - doc_point->x;
964 y = height - doc_point->y;
965 } else if (view->rotation == 270) {
967 y = height - doc_point->x;
969 g_assert_not_reached ();
972 get_page_extents (view, page, &page_area, &border);
974 view_x = x * view->scale;
975 view_y = y * view->scale;
976 view_point->x = view_x + page_area.x;
977 view_point->y = view_y + page_area.y;
979 return (view_x > 0 && view_x <= page_area.width &&
980 view_y > 0 && view_y <= page_area.height);
984 doc_rect_to_view_rect (EvView *view,
986 EvRectangle *doc_rect,
987 GdkRectangle *view_rect)
989 GdkRectangle page_area;
994 ev_page_cache_get_size (view->page_cache, page,
999 if (view->rotation == 0) {
1002 w = doc_rect->x2 - doc_rect->x1;
1003 h = doc_rect->y2 - doc_rect->y1;
1004 } else if (view->rotation == 90) {
1005 x = width - doc_rect->y2;
1007 w = doc_rect->y2 - doc_rect->y1;
1008 h = doc_rect->x2 - doc_rect->x1;
1009 } else if (view->rotation == 180) {
1010 x = width - doc_rect->x2;
1011 y = height - doc_rect->y2;
1012 w = doc_rect->x2 - doc_rect->x1;
1013 h = doc_rect->y2 - doc_rect->y1;
1014 } else if (view->rotation == 270) {
1016 y = height - doc_rect->x2;
1017 w = doc_rect->y2 - doc_rect->y1;
1018 h = doc_rect->x2 - doc_rect->x1;
1020 g_assert_not_reached ();
1023 get_page_extents (view, page, &page_area, &border);
1025 view_rect->x = x * view->scale + page_area.x;
1026 view_rect->y = y * view->scale + page_area.y;
1027 view_rect->width = w * view->scale;
1028 view_rect->height = h * view->scale;
1032 find_page_at_location (EvView *view,
1041 if (view->document == NULL)
1045 g_assert (x_offset);
1046 g_assert (y_offset);
1048 for (i = view->start_page; i <= view->end_page; i++) {
1049 GdkRectangle page_area;
1052 if (! get_page_extents (view, i, &page_area, &border))
1055 if ((x >= page_area.x + border.left) &&
1056 (x < page_area.x + page_area.width - border.right) &&
1057 (y >= page_area.y + border.top) &&
1058 (y < page_area.y + page_area.height - border.bottom)) {
1060 *x_offset = x - (page_area.x + border.left);
1061 *y_offset = y - (page_area.y + border.top);
1070 location_in_text (EvView *view,
1076 gint x_offset = 0, y_offset = 0;
1078 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1083 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
1086 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1092 ev_view_get_width (EvView *view)
1094 return GTK_WIDGET (view)->allocation.width;
1098 ev_view_get_height (EvView *view)
1100 return GTK_WIDGET (view)->allocation.height;
1104 location_in_selected_text (EvView *view,
1109 gint x_offset = 0, y_offset = 0;
1110 EvViewSelection *selection;
1113 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1114 selection = (EvViewSelection *)l->data;
1116 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1118 if (page != selection->page)
1121 if (selection->covered_region &&
1122 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1131 get_link_at_location (EvView *view,
1136 gint x_offset = 0, y_offset = 0;
1137 GList *link_mapping;
1139 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1144 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1147 return ev_link_mapping_find (link_mapping, x_offset / view->scale, y_offset / view->scale);
1153 goto_fitr_link (EvView *view, EvLink *link)
1155 GdkPoint view_point;
1157 int doc_width, doc_height, page;
1160 page = ev_link_get_page (link);
1161 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1163 doc_point.x = ev_link_get_left (link);
1164 doc_point.y = ev_link_get_top (link);
1166 zoom = zoom_for_size_best_fit (ev_link_get_right (link) - ev_link_get_left (link),
1167 ev_link_get_top (link) - ev_link_get_bottom (link),
1168 ev_view_get_width (view),
1169 ev_view_get_height (view), 0, 0);
1171 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1172 ev_view_set_zoom (view, zoom, FALSE);
1173 ev_page_cache_set_current_page (view->page_cache, page);
1175 if (doc_point_to_view_point (view, page, &doc_point, &view_point)) {
1176 gtk_adjustment_set_value (view->hadjustment, view_point.x);
1177 gtk_adjustment_set_value (view->vadjustment, view_point.y);
1182 goto_fitv_link (EvView *view, EvLink *link)
1184 GdkPoint view_point;
1186 int doc_width, doc_height, page;
1189 page = ev_link_get_page (link);
1190 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1192 doc_point.x = ev_link_get_left (link);
1195 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1196 ev_view_get_width (view),
1197 ev_view_get_height (view), 0);
1199 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1200 ev_view_set_zoom (view, zoom, FALSE);
1201 ev_page_cache_set_current_page (view->page_cache, page);
1203 if (doc_point_to_view_point (view, page, &doc_point, &view_point)) {
1204 gtk_adjustment_set_value (view->hadjustment, view_point.x);
1209 goto_fith_link (EvView *view, EvLink *link)
1211 GdkPoint view_point;
1213 int doc_width, doc_height, page;
1216 page = ev_link_get_page (link);
1217 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1220 doc_point.y = doc_height - ev_link_get_top (link);
1222 zoom = zoom_for_size_fit_width (doc_width, ev_link_get_top (link),
1223 ev_view_get_width (view),
1224 ev_view_get_height (view), 0);
1226 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1227 ev_view_set_zoom (view, zoom, FALSE);
1229 if (doc_point_to_view_point (view, page, &doc_point, &view_point)) {
1230 gtk_adjustment_set_value (view->vadjustment, view_point.y);
1232 ev_page_cache_set_current_page (view->page_cache, page);
1237 goto_fit_link (EvView *view, EvLink *link)
1240 int doc_width, doc_height;
1243 page = ev_link_get_page (link);
1244 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1246 zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view),
1247 ev_view_get_height (view), 0, 0);
1249 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1250 ev_view_set_zoom (view, zoom, FALSE);
1251 ev_page_cache_set_current_page (view->page_cache, page);
1255 goto_xyz_link (EvView *view, EvLink *link)
1257 GdkPoint view_point;
1262 zoom = ev_link_get_zoom (link);
1263 page = ev_link_get_page (link);
1264 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, NULL, &height);
1266 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1268 ev_view_set_zoom (view, zoom, FALSE);
1271 doc_point.x = ev_link_get_left (link);
1272 doc_point.y = height - ev_link_get_top (link);
1274 if (doc_point_to_view_point (view, page, &doc_point, &view_point)) {
1275 gtk_adjustment_set_value (view->hadjustment, view_point.x);
1276 gtk_adjustment_set_value (view->vadjustment, view_point.y);
1278 ev_page_cache_set_current_page (view->page_cache, page);
1283 ev_view_goto_link (EvView *view, EvLink *link)
1288 type = ev_link_get_link_type (link);
1291 case EV_LINK_TYPE_TITLE:
1293 case EV_LINK_TYPE_PAGE:
1294 page = ev_link_get_page (link);
1295 ev_page_cache_set_current_page (view->page_cache, page);
1297 case EV_LINK_TYPE_PAGE_FIT:
1298 goto_fit_link (view, link);
1300 case EV_LINK_TYPE_PAGE_FITH:
1301 goto_fith_link (view, link);
1303 case EV_LINK_TYPE_PAGE_FITV:
1304 goto_fitv_link (view, link);
1306 case EV_LINK_TYPE_PAGE_FITR:
1307 goto_fitr_link (view, link);
1309 case EV_LINK_TYPE_PAGE_XYZ:
1310 goto_xyz_link (view, link);
1312 case EV_LINK_TYPE_EXTERNAL_URI:
1313 case EV_LINK_TYPE_LAUNCH:
1314 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, link);
1320 tip_from_link (EvView *view, EvLink *link)
1326 type = ev_link_get_link_type (link);
1329 case EV_LINK_TYPE_TITLE:
1330 if (ev_link_get_title (link))
1331 msg = g_strdup (ev_link_get_title (link));
1333 case EV_LINK_TYPE_PAGE:
1334 case EV_LINK_TYPE_PAGE_XYZ:
1335 page_label = ev_page_cache_get_page_label (view->page_cache, ev_link_get_page (link));
1336 msg = g_strdup_printf (_("Go to page %s"), page_label);
1337 g_free (page_label);
1339 case EV_LINK_TYPE_EXTERNAL_URI:
1340 msg = g_strdup (ev_link_get_uri (link));
1350 handle_link_over_xy (EvView *view, gint x, gint y)
1354 link = get_link_at_location (view, x + view->scroll_x, y + view->scroll_y);
1356 if (view->link_tooltip == NULL) {
1357 view->link_tooltip = ev_tooltip_new (GTK_WIDGET (view));
1360 if (view->hovered_link != link) {
1361 view->hovered_link = link;
1362 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
1366 char *msg = tip_from_link (view, link);
1368 if (msg && g_utf8_validate (msg, -1, NULL)) {
1369 EvTooltip *tooltip = EV_TOOLTIP (view->link_tooltip);
1371 ev_tooltip_set_position (tooltip, x, y);
1372 ev_tooltip_set_text (tooltip, msg);
1373 ev_tooltip_activate (tooltip);
1377 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1378 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1379 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1381 ev_view_set_status (view, NULL);
1382 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1383 view->cursor == EV_VIEW_CURSOR_IBEAM)
1384 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1389 /*** GtkWidget implementation ***/
1392 ev_view_size_request_continuous_dual_page (EvView *view,
1393 GtkRequisition *requisition)
1399 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1400 view->scale, &max_width);
1401 compute_border (view, max_width, max_width, &border);
1403 n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1;
1405 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
1406 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1408 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1409 requisition->width = 1;
1410 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1411 requisition->width = 1;
1412 /* FIXME: This could actually be set on one page docs or docs
1413 * with a strange aspect ratio. */
1414 /* requisition->height = 1;*/
1419 ev_view_size_request_continuous (EvView *view,
1420 GtkRequisition *requisition)
1427 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1428 view->scale, &max_width);
1429 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1430 compute_border (view, max_width, max_width, &border);
1432 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
1433 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1435 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1436 requisition->width = 1;
1437 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1438 requisition->width = 1;
1439 /* FIXME: This could actually be set on one page docs or docs
1440 * with a strange aspect ratio. */
1441 /* requisition->height = 1;*/
1446 ev_view_size_request_dual_page (EvView *view,
1447 GtkRequisition *requisition)
1452 /* Find the largest of the two. */
1453 ev_page_cache_get_size (view->page_cache,
1458 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) {
1459 gint width_2, height_2;
1460 ev_page_cache_get_size (view->page_cache,
1461 view->current_page + 1,
1464 &width_2, &height_2);
1465 if (width_2 > width) {
1470 compute_border (view, width, height, &border);
1472 requisition->width = ((width + border.left + border.right) * 2) +
1473 (view->spacing * 3);
1474 requisition->height = (height + border.top + border.bottom) +
1475 (view->spacing * 2);
1477 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1478 requisition->width = 1;
1479 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1480 requisition->width = 1;
1481 requisition->height = 1;
1486 ev_view_size_request_single_page (EvView *view,
1487 GtkRequisition *requisition)
1492 ev_page_cache_get_size (view->page_cache,
1497 compute_border (view, width, height, &border);
1499 requisition->width = width + border.left + border.right + (2 * view->spacing);
1500 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1502 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1503 requisition->width = 1;
1504 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1505 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1506 requisition->width = 1;
1507 requisition->height = 1;
1512 ev_view_size_request (GtkWidget *widget,
1513 GtkRequisition *requisition)
1515 EvView *view = EV_VIEW (widget);
1517 if (view->document == NULL) {
1518 requisition->width = 1;
1519 requisition->height = 1;
1523 if (view->presentation) {
1524 requisition->width = 1;
1525 requisition->height = 1;
1529 if (view->continuous && view->dual_page)
1530 ev_view_size_request_continuous_dual_page (view, requisition);
1531 else if (view->continuous)
1532 ev_view_size_request_continuous (view, requisition);
1533 else if (view->dual_page)
1534 ev_view_size_request_dual_page (view, requisition);
1536 ev_view_size_request_single_page (view, requisition);
1540 ev_view_size_allocate (GtkWidget *widget,
1541 GtkAllocation *allocation)
1543 EvView *view = EV_VIEW (widget);
1545 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
1546 view->sizing_mode == EV_SIZING_BEST_FIT) {
1548 g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0);
1550 ev_view_size_request (widget, &widget->requisition);
1553 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
1554 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
1556 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
1557 view->pending_resize = FALSE;
1560 view_update_range_and_current_page (view);
1562 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
1566 ev_view_realize (GtkWidget *widget)
1568 EvView *view = EV_VIEW (widget);
1569 GdkWindowAttr attributes;
1571 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
1574 attributes.window_type = GDK_WINDOW_CHILD;
1575 attributes.wclass = GDK_INPUT_OUTPUT;
1576 attributes.visual = gtk_widget_get_visual (widget);
1577 attributes.colormap = gtk_widget_get_colormap (widget);
1579 attributes.x = widget->allocation.x;
1580 attributes.y = widget->allocation.y;
1581 attributes.width = widget->allocation.width;
1582 attributes.height = widget->allocation.height;
1583 attributes.event_mask = GDK_EXPOSURE_MASK |
1584 GDK_BUTTON_PRESS_MASK |
1585 GDK_BUTTON_RELEASE_MASK |
1587 GDK_KEY_PRESS_MASK |
1588 GDK_POINTER_MOTION_MASK |
1589 GDK_ENTER_NOTIFY_MASK |
1590 GDK_LEAVE_NOTIFY_MASK;
1592 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
1594 GDK_WA_X | GDK_WA_Y |
1597 gdk_window_set_user_data (widget->window, widget);
1598 widget->style = gtk_style_attach (widget->style, widget->window);
1600 if (view->presentation)
1601 gdk_window_set_background (widget->window, &widget->style->black);
1603 gdk_window_set_background (widget->window, &widget->style->mid [GTK_STATE_NORMAL]);
1607 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
1609 EvView *view = EV_VIEW (widget);
1612 state = event->state & gtk_accelerator_get_default_mod_mask ();
1614 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
1615 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1617 if (event->direction == GDK_SCROLL_UP ||
1618 event->direction == GDK_SCROLL_LEFT) {
1619 if (ev_view_can_zoom_in (view)) {
1620 ev_view_zoom_in (view);
1623 if (ev_view_can_zoom_out (view)) {
1624 ev_view_zoom_out (view);
1631 /* Shift+Wheel scrolls the in the perpendicular direction */
1632 if (state & GDK_SHIFT_MASK) {
1633 if (event->direction == GDK_SCROLL_UP)
1634 event->direction = GDK_SCROLL_LEFT;
1635 if (event->direction == GDK_SCROLL_LEFT)
1636 event->direction = GDK_SCROLL_UP;
1637 if (event->direction == GDK_SCROLL_DOWN)
1638 event->direction = GDK_SCROLL_RIGHT;
1639 if (event->direction == GDK_SCROLL_RIGHT)
1640 event->direction = GDK_SCROLL_DOWN;
1642 event->state &= ~GDK_SHIFT_MASK;
1643 state &= ~GDK_SHIFT_MASK;
1646 if (state == 0 && view->presentation) {
1647 switch (event->direction) {
1648 case GDK_SCROLL_DOWN:
1649 case GDK_SCROLL_RIGHT:
1650 ev_view_next_page (view);
1653 case GDK_SCROLL_LEFT:
1654 ev_view_previous_page (view);
1664 static EvViewSelection *
1665 find_selection_for_page (EvView *view,
1670 for (list = view->selection_info.selections; list != NULL; list = list->next) {
1671 EvViewSelection *selection;
1673 selection = (EvViewSelection *) list->data;
1675 if (selection->page == page)
1683 ev_view_expose_event (GtkWidget *widget,
1684 GdkEventExpose *event)
1686 EvView *view = EV_VIEW (widget);
1689 if (view->document == NULL)
1692 for (i = view->start_page; i <= view->end_page; i++) {
1693 GdkRectangle page_area;
1696 if (!get_page_extents (view, i, &page_area, &border))
1699 page_area.x -= view->scroll_x;
1700 page_area.y -= view->scroll_y;
1702 draw_one_page (view, i, &page_area, &border, &(event->area));
1704 if (EV_IS_DOCUMENT_FIND (view->document))
1705 highlight_find_results (view, i);
1712 ev_view_button_press_event (GtkWidget *widget,
1713 GdkEventButton *event)
1715 EvView *view = EV_VIEW (widget);
1717 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
1718 gtk_widget_grab_focus (widget);
1721 view->pressed_button = event->button;
1722 view->selection_info.in_drag = FALSE;
1724 switch (event->button) {
1726 if (view->selection_info.selections) {
1727 if (location_in_selected_text (view,
1728 event->x + view->scroll_x,
1729 event->y + view->scroll_y)) {
1730 view->selection_info.in_drag = TRUE;
1732 clear_selection (view);
1735 gtk_widget_queue_draw (widget);
1738 view->selection_info.start.x = event->x + view->scroll_x;
1739 view->selection_info.start.y = event->y + view->scroll_y;
1743 /* use root coordinates as reference point because
1744 * scrolling changes window relative coordinates */
1745 view->drag_info.start.x = event->x_root;
1746 view->drag_info.start.y = event->y_root;
1747 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
1748 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
1750 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1759 ev_view_drag_data_get (GtkWidget *widget,
1760 GdkDragContext *context,
1761 GtkSelectionData *selection_data,
1765 EvView *view = EV_VIEW (widget);
1767 if (view->selection_info.selections &&
1768 ev_document_can_get_text (view->document)) {
1771 text = get_selected_text (view);
1773 gtk_selection_data_set_text (selection_data, text, strlen (text));
1780 selection_update_idle_cb (EvView *view)
1783 point.x = view->motion_x;
1784 point.y = view->motion_y;
1785 compute_selections (view, &view->selection_info.start, &point);
1787 view->selection_update_id = 0;
1792 ev_view_motion_notify_event (GtkWidget *widget,
1793 GdkEventMotion *event)
1795 EvView *view = EV_VIEW (widget);
1797 if (!view->document)
1800 if (view->selection_info.in_drag) {
1801 if (gtk_drag_check_threshold (widget,
1802 view->selection_info.start.x,
1803 view->selection_info.start.y,
1804 event->x, event->y)) {
1805 GdkDragContext *context;
1806 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
1808 gtk_target_list_add_text_targets (target_list, 0);
1810 context = gtk_drag_begin (widget, target_list,
1812 1, (GdkEvent *)event);
1814 view->selection_info.in_drag = FALSE;
1816 gtk_target_list_unref (target_list);
1822 /* For the Evince 0.4.x release, we limit selection to un-rotated
1825 if (view->pressed_button == 1 && view->rotation == 0) {
1826 view->selection_info.in_selection = TRUE;
1827 view->motion_x = event->x + view->scroll_x;
1828 view->motion_y = event->y + view->scroll_y;
1830 /* Queue an idle to handle the motion. We do this because
1831 * handling any selection events in the motion could be slower
1832 * than new motion events reach us. We always put it in the
1833 * idle to make sure we catch up and don't visibly lag the
1835 if (! view->selection_update_id)
1836 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
1839 } else if (view->pressed_button == 2) {
1840 if (!view->drag_info.in_drag) {
1843 start = gtk_drag_check_threshold (widget,
1844 view->drag_info.start.x,
1845 view->drag_info.start.y,
1848 view->drag_info.in_drag = start;
1851 if (view->drag_info.in_drag) {
1853 gdouble dhadj_value, dvadj_value;
1855 dx = event->x_root - view->drag_info.start.x;
1856 dy = event->y_root - view->drag_info.start.y;
1858 dhadj_value = view->hadjustment->page_size *
1859 (gdouble)dx / widget->allocation.width;
1860 dvadj_value = view->vadjustment->page_size *
1861 (gdouble)dy / widget->allocation.height;
1863 /* clamp scrolling to visible area */
1864 gtk_adjustment_set_value (view->hadjustment,
1865 MIN(view->drag_info.hadj - dhadj_value,
1866 view->hadjustment->upper -
1867 view->hadjustment->page_size));
1868 gtk_adjustment_set_value (view->vadjustment,
1869 MIN(view->drag_info.vadj - dvadj_value,
1870 view->vadjustment->upper -
1871 view->vadjustment->page_size));
1875 /* For the Evince 0.4.x release, we limit links to un-rotated documents
1878 } else if (view->pressed_button <= 0 &&
1879 view->rotation == 0) {
1880 handle_link_over_xy (view, event->x, event->y);
1888 ev_view_button_release_event (GtkWidget *widget,
1889 GdkEventButton *event)
1891 EvView *view = EV_VIEW (widget);
1894 if (view->pressed_button == 2) {
1895 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1898 if (view->document) {
1899 link = get_link_at_location (view, event->x + view->scroll_x,
1900 event->y + view->scroll_y);
1905 view->pressed_button = -1;
1906 view->drag_info.in_drag = FALSE;
1908 if (view->selection_info.selections) {
1909 ev_view_update_primary_selection (view);
1911 if (view->selection_info.in_drag) {
1912 clear_selection (view);
1913 gtk_widget_queue_draw (widget);
1916 view->selection_info.in_drag = FALSE;
1918 ev_view_goto_link (view, link);
1919 } else if (view->presentation) {
1920 switch (event->button) {
1922 ev_view_next_page (view);
1925 ev_view_previous_page (view);
1934 ev_view_focus_in (GtkWidget *widget,
1935 GdkEventFocus *event)
1937 if (EV_VIEW (widget)->pixbuf_cache)
1938 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
1939 gtk_widget_queue_draw (widget);
1945 ev_view_focus_out (GtkWidget *widget,
1946 GdkEventFocus *event)
1948 if (EV_VIEW (widget)->pixbuf_cache)
1949 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
1950 gtk_widget_queue_draw (widget);
1956 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
1958 EvView *view = EV_VIEW (widget);
1960 ev_view_set_status (view, NULL);
1962 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1963 view->cursor == EV_VIEW_CURSOR_IBEAM)
1964 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1966 if (view->link_tooltip) {
1967 view->hovered_link = NULL;
1968 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
1975 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
1977 EvView *view = EV_VIEW (widget);
1979 handle_link_over_xy (view, event->x, event->y);
1985 ev_view_style_set (GtkWidget *widget,
1986 GtkStyle *old_style)
1988 if (EV_VIEW (widget)->pixbuf_cache)
1989 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
1991 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
1998 ev_gdk_color_to_rgb (const GdkColor *color)
2001 result = (0xff0000 | (color->red & 0xff00));
2003 result |= ((color->green & 0xff00) | (color->blue >> 8));
2008 draw_rubberband (GtkWidget *widget, GdkWindow *window,
2009 const GdkRectangle *rect, guchar alpha)
2013 GdkColor *fill_color_gdk;
2016 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
2017 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
2019 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
2020 rect->width, rect->height);
2021 gdk_pixbuf_fill (pixbuf, fill_color);
2023 gdk_draw_pixbuf (window, NULL, pixbuf,
2025 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
2026 rect->width, rect->height,
2027 GDK_RGB_DITHER_NONE,
2030 g_object_unref (pixbuf);
2032 gc = gdk_gc_new (window);
2033 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
2034 gdk_draw_rectangle (window, gc, FALSE,
2035 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
2038 g_object_unref (gc);
2040 gdk_color_free (fill_color_gdk);
2045 highlight_find_results (EvView *view, int page)
2047 EvDocumentFind *find;
2050 g_return_if_fail (EV_IS_DOCUMENT_FIND (view->document));
2052 find = EV_DOCUMENT_FIND (view->document);
2054 results = ev_document_find_get_n_results (find, page);
2056 for (i = 0; i < results; i++) {
2057 EvRectangle rectangle;
2058 GdkRectangle view_rectangle;
2061 if (i == view->find_result && page == view->find_page) {
2067 ev_document_find_get_result (find, page, i, &rectangle);
2068 doc_rect_to_view_rect (view, page, &rectangle, &view_rectangle);
2069 draw_rubberband (GTK_WIDGET (view), GTK_WIDGET(view)->window,
2070 &view_rectangle, alpha);
2075 draw_loading_text (EvView *view,
2076 GdkRectangle *page_area,
2077 GdkRectangle *expose_area)
2079 PangoLayout *layout;
2080 PangoFontDescription *font_desc;
2081 PangoRectangle logical_rect;
2085 const char *loading_text = _("Loading...");
2087 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
2089 font_desc = pango_font_description_new ();
2092 /* We set the font to be 10 points, get the size, and scale appropriately */
2093 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
2094 pango_layout_set_font_description (layout, font_desc);
2095 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2097 /* Make sure we fit the middle of the page */
2098 target_width = MAX (page_area->width / 2, 1);
2099 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
2100 pango_font_description_set_size (font_desc, (int)real_scale);
2101 pango_layout_set_font_description (layout, font_desc);
2102 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2104 gtk_paint_layout (GTK_WIDGET (view)->style,
2105 GTK_WIDGET (view)->window,
2106 GTK_WIDGET_STATE (view),
2111 page_area->x + (target_width/2),
2112 page_area->y + (page_area->height - logical_rect.height) / 2,
2115 pango_font_description_free (font_desc);
2116 g_object_unref (layout);
2120 draw_one_page (EvView *view,
2122 GdkRectangle *page_area,
2124 GdkRectangle *expose_area)
2127 GdkPixbuf *current_pixbuf;
2128 GdkRectangle overlap;
2129 GdkRectangle real_page_area;
2130 EvViewSelection *selection;
2132 g_assert (view->document);
2133 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
2136 selection = find_selection_for_page (view, page);
2137 ev_page_cache_get_size (view->page_cache,
2138 page, view->rotation,
2141 /* Render the document itself */
2142 real_page_area = *page_area;
2144 real_page_area.x += border->left;
2145 real_page_area.y += border->top;
2146 real_page_area.width -= (border->left + border->right);
2147 real_page_area.height -= (border->top + border->bottom);
2149 ev_document_misc_paint_one_page (GTK_WIDGET(view)->window,
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 ev_view_set_scroll_adjustments (view, NULL, NULL);
2261 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
2265 ev_view_set_property (GObject *object,
2267 const GValue *value,
2270 EvView *view = EV_VIEW (object);
2274 case PROP_CONTINUOUS:
2275 ev_view_set_continuous (view, g_value_get_boolean (value));
2277 case PROP_DUAL_PAGE:
2278 ev_view_set_dual_page (view, g_value_get_boolean (value));
2280 case PROP_FULLSCREEN:
2281 ev_view_set_fullscreen (view, g_value_get_boolean (value));
2283 case PROP_PRESENTATION:
2284 ev_view_set_presentation (view, g_value_get_boolean (value));
2286 case PROP_SIZING_MODE:
2287 ev_view_set_sizing_mode (view, g_value_get_enum (value));
2290 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
2293 ev_view_set_rotation (view, g_value_get_int (value));
2296 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2301 ev_view_get_property (GObject *object,
2306 EvView *view = EV_VIEW (object);
2311 g_value_set_string (value, view->status);
2313 case PROP_FIND_STATUS:
2314 g_value_set_string (value, view->status);
2316 case PROP_CONTINUOUS:
2317 g_value_set_boolean (value, view->continuous);
2319 case PROP_DUAL_PAGE:
2320 g_value_set_boolean (value, view->dual_page);
2322 case PROP_FULLSCREEN:
2323 g_value_set_boolean (value, view->fullscreen);
2325 case PROP_PRESENTATION:
2326 g_value_set_boolean (value, view->presentation);
2328 case PROP_SIZING_MODE:
2329 g_value_set_enum (value, view->sizing_mode);
2332 g_value_set_double (value, view->scale);
2335 g_value_set_int (value, view->rotation);
2337 case PROP_HAS_SELECTION:
2338 g_value_set_boolean (value,
2339 view->selection_info.selections != NULL);
2342 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2347 ev_view_class_init (EvViewClass *class)
2349 GObjectClass *object_class = G_OBJECT_CLASS (class);
2350 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
2351 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
2352 GtkBindingSet *binding_set;
2354 object_class->finalize = ev_view_finalize;
2355 object_class->set_property = ev_view_set_property;
2356 object_class->get_property = ev_view_get_property;
2358 widget_class->expose_event = ev_view_expose_event;
2359 widget_class->button_press_event = ev_view_button_press_event;
2360 widget_class->motion_notify_event = ev_view_motion_notify_event;
2361 widget_class->button_release_event = ev_view_button_release_event;
2362 widget_class->focus_in_event = ev_view_focus_in;
2363 widget_class->focus_out_event = ev_view_focus_out;
2364 widget_class->size_request = ev_view_size_request;
2365 widget_class->size_allocate = ev_view_size_allocate;
2366 widget_class->realize = ev_view_realize;
2367 widget_class->scroll_event = ev_view_scroll_event;
2368 widget_class->enter_notify_event = ev_view_enter_notify_event;
2369 widget_class->leave_notify_event = ev_view_leave_notify_event;
2370 widget_class->style_set = ev_view_style_set;
2371 widget_class->drag_data_get = ev_view_drag_data_get;
2372 gtk_object_class->destroy = ev_view_destroy;
2374 class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
2375 class->binding_activated = ev_view_binding_activated;
2377 widget_class->set_scroll_adjustments_signal =
2378 g_signal_new ("set-scroll-adjustments",
2379 G_OBJECT_CLASS_TYPE (object_class),
2380 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2381 G_STRUCT_OFFSET (EvViewClass, set_scroll_adjustments),
2383 ev_marshal_VOID__OBJECT_OBJECT,
2385 GTK_TYPE_ADJUSTMENT,
2386 GTK_TYPE_ADJUSTMENT);
2388 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
2389 G_TYPE_FROM_CLASS (object_class),
2390 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2391 G_STRUCT_OFFSET (EvViewClass, binding_activated),
2393 ev_marshal_VOID__ENUM_BOOLEAN,
2395 GTK_TYPE_SCROLL_TYPE,
2398 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
2399 G_TYPE_FROM_CLASS (object_class),
2400 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2401 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
2403 ev_marshal_VOID__VOID,
2404 G_TYPE_NONE, 0, G_TYPE_NONE);
2405 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
2406 G_TYPE_FROM_CLASS (object_class),
2407 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2408 G_STRUCT_OFFSET (EvViewClass, external_link),
2410 g_cclosure_marshal_VOID__OBJECT,
2414 g_object_class_install_property (object_class,
2416 g_param_spec_string ("status",
2418 "The status message",
2422 g_object_class_install_property (object_class,
2424 g_param_spec_string ("find-status",
2425 "Find Status Message",
2426 "The find status message",
2430 g_object_class_install_property (object_class,
2432 g_param_spec_boolean ("continuous",
2434 "Continuous scrolling mode",
2436 G_PARAM_READWRITE));
2438 g_object_class_install_property (object_class,
2440 g_param_spec_boolean ("dual-page",
2442 "Two pages visible at once",
2444 G_PARAM_READWRITE));
2445 g_object_class_install_property (object_class,
2447 g_param_spec_boolean ("fullscreen",
2449 "Draw page in a fullscreen fashion",
2451 G_PARAM_READWRITE));
2452 g_object_class_install_property (object_class,
2454 g_param_spec_boolean ("presentation",
2456 "Draw page in presentation mode",
2458 G_PARAM_READWRITE));
2460 g_object_class_install_property (object_class,
2462 g_param_spec_enum ("sizing-mode",
2465 EV_TYPE_SIZING_MODE,
2466 EV_SIZING_FIT_WIDTH,
2467 G_PARAM_READWRITE));
2469 g_object_class_install_property (object_class,
2471 g_param_spec_double ("zoom",
2477 G_PARAM_READWRITE));
2478 g_object_class_install_property (object_class,
2480 g_param_spec_double ("rotation",
2486 G_PARAM_READWRITE));
2487 g_object_class_install_property (object_class,
2489 g_param_spec_boolean ("has-selection",
2491 "The view has selections",
2495 binding_set = gtk_binding_set_by_class (class);
2497 add_scroll_binding_keypad (binding_set, GDK_Left, GTK_SCROLL_STEP_BACKWARD, TRUE);
2498 add_scroll_binding_keypad (binding_set, GDK_Right, GTK_SCROLL_STEP_FORWARD, TRUE);
2499 add_scroll_binding_keypad (binding_set, GDK_Up, GTK_SCROLL_STEP_BACKWARD, FALSE);
2500 add_scroll_binding_keypad (binding_set, GDK_Down, GTK_SCROLL_STEP_FORWARD, FALSE);
2504 ev_view_init (EvView *view)
2506 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
2510 view->current_page = 0;
2511 view->pressed_button = -1;
2512 view->cursor = EV_VIEW_CURSOR_NORMAL;
2513 view->drag_info.in_drag = FALSE;
2514 view->selection_info.selections = NULL;
2515 view->selection_info.in_selection = FALSE;
2516 view->selection_info.in_drag = FALSE;
2517 view->selection_mode = EV_VIEW_SELECTION_TEXT;
2518 view->continuous = TRUE;
2519 view->dual_page = FALSE;
2520 view->presentation = FALSE;
2521 view->fullscreen = FALSE;
2522 view->sizing_mode = EV_SIZING_FIT_WIDTH;
2523 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2529 find_changed_cb (EvDocument *document, int page, EvView *view)
2531 jump_to_find_page (view, EV_VIEW_FIND_NEXT);
2532 jump_to_find_result (view);
2533 update_find_status_message (view);
2535 if (view->current_page == page)
2536 gtk_widget_queue_draw (GTK_WIDGET (view));
2540 job_finished_cb (EvPixbufCache *pixbuf_cache,
2543 gtk_widget_queue_draw (GTK_WIDGET (view));
2547 page_changed_cb (EvPageCache *page_cache,
2551 if (view->current_page != new_page) {
2553 view->current_page = new_page;
2554 view->pending_scroll = SCROLL_TO_CURRENT_PAGE;
2555 gtk_widget_queue_resize (GTK_WIDGET (view));
2557 if (EV_IS_DOCUMENT_FIND (view->document)) {
2558 view->find_page = new_page;
2559 view->find_result = 0;
2560 update_find_status_message (view);
2565 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
2570 if (! GTK_WIDGET_REALIZED (view))
2573 if (view->hadjustment) {
2574 dx = view->scroll_x - (int) view->hadjustment->value;
2575 view->scroll_x = (int) view->hadjustment->value;
2580 if (view->vadjustment) {
2581 dy = view->scroll_y - (int) view->vadjustment->value;
2582 view->scroll_y = (int) view->vadjustment->value;
2588 if (view->pending_resize)
2589 gtk_widget_queue_draw (GTK_WIDGET (view));
2591 gdk_window_scroll (GTK_WIDGET (view)->window, dx, dy);
2595 view_update_range_and_current_page (view);
2603 view = g_object_new (EV_TYPE_VIEW, NULL);
2609 setup_caches (EvView *view)
2611 view->page_cache = ev_page_cache_get (view->document);
2612 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
2613 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
2614 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
2618 clear_caches (EvView *view)
2620 if (view->pixbuf_cache) {
2621 g_object_unref (view->pixbuf_cache);
2622 view->pixbuf_cache = NULL;
2625 if (view->page_cache) {
2626 view->page_cache = NULL;
2631 ev_view_set_document (EvView *view,
2632 EvDocument *document)
2634 g_return_if_fail (EV_IS_VIEW (view));
2636 if (document != view->document) {
2637 clear_caches (view);
2639 if (view->document) {
2640 g_signal_handlers_disconnect_by_func (view->document,
2643 g_object_unref (view->document);
2644 view->page_cache = NULL;
2648 view->document = document;
2649 view->find_page = 0;
2650 view->find_result = 0;
2652 if (view->document) {
2653 g_object_ref (view->document);
2654 if (EV_IS_DOCUMENT_FIND (view->document)) {
2655 g_signal_connect (view->document,
2657 G_CALLBACK (find_changed_cb),
2661 setup_caches (view);
2664 gtk_widget_queue_resize (GTK_WIDGET (view));
2668 /*** Zoom and sizing mode ***/
2670 #define EPSILON 0.0000001
2672 ev_view_set_zoom (EvView *view,
2679 scale = view->scale * factor;
2683 scale = CLAMP (scale, MIN_SCALE, MAX_SCALE);
2685 if (ABS (view->scale - scale) < EPSILON)
2688 view->scale = scale;
2689 view->pending_resize = TRUE;
2691 gtk_widget_queue_resize (GTK_WIDGET (view));
2693 g_object_notify (G_OBJECT (view), "zoom");
2697 ev_view_get_zoom (EvView *view)
2703 ev_view_get_continuous (EvView *view)
2705 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2707 return view->continuous;
2711 ev_view_set_continuous (EvView *view,
2712 gboolean continuous)
2714 g_return_if_fail (EV_IS_VIEW (view));
2716 continuous = continuous != FALSE;
2718 if (view->continuous != continuous) {
2719 view->continuous = continuous;
2720 view->pending_scroll = SCROLL_TO_CURRENT_PAGE;
2721 gtk_widget_queue_resize (GTK_WIDGET (view));
2724 g_object_notify (G_OBJECT (view), "continuous");
2728 ev_view_get_dual_page (EvView *view)
2730 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2732 return view->dual_page;
2736 ev_view_set_dual_page (EvView *view,
2739 g_return_if_fail (EV_IS_VIEW (view));
2741 dual_page = dual_page != FALSE;
2743 if (view->dual_page == dual_page)
2746 view->pending_scroll = SCROLL_TO_CURRENT_PAGE;
2747 view->dual_page = dual_page;
2748 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
2749 * preload_cache_size to be 2 if dual_page is set.
2751 gtk_widget_queue_resize (GTK_WIDGET (view));
2753 g_object_notify (G_OBJECT (view), "dual-page");
2757 ev_view_set_fullscreen (EvView *view,
2758 gboolean fullscreen)
2760 g_return_if_fail (EV_IS_VIEW (view));
2762 fullscreen = fullscreen != FALSE;
2764 if (view->fullscreen == fullscreen)
2767 view->fullscreen = fullscreen;
2768 gtk_widget_queue_resize (GTK_WIDGET (view));
2770 g_object_notify (G_OBJECT (view), "fullscreen");
2774 ev_view_get_fullscreen (EvView *view)
2776 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2778 return view->fullscreen;
2782 ev_view_set_presentation (EvView *view,
2783 gboolean presentation)
2785 g_return_if_fail (EV_IS_VIEW (view));
2787 presentation = presentation != FALSE;
2789 if (view->presentation == presentation)
2792 view->presentation = presentation;
2793 view->pending_scroll = SCROLL_TO_CURRENT_PAGE;
2794 gtk_widget_queue_resize (GTK_WIDGET (view));
2796 if (GTK_WIDGET_REALIZED (view)) {
2797 if (view->presentation)
2798 gdk_window_set_background (GTK_WIDGET(view)->window,
2799 >K_WIDGET (view)->style->black);
2801 gdk_window_set_background (GTK_WIDGET(view)->window,
2802 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
2806 g_object_notify (G_OBJECT (view), "presentation");
2810 ev_view_get_presentation (EvView *view)
2812 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2814 return view->presentation;
2818 ev_view_set_sizing_mode (EvView *view,
2819 EvSizingMode sizing_mode)
2821 g_return_if_fail (EV_IS_VIEW (view));
2823 if (view->sizing_mode == sizing_mode)
2826 view->sizing_mode = sizing_mode;
2827 gtk_widget_queue_resize (GTK_WIDGET (view));
2829 g_object_notify (G_OBJECT (view), "sizing-mode");
2833 ev_view_get_sizing_mode (EvView *view)
2835 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
2837 return view->sizing_mode;
2841 ev_view_can_zoom_in (EvView *view)
2843 return view->scale * ZOOM_IN_FACTOR <= MAX_SCALE;
2847 ev_view_can_zoom_out (EvView *view)
2849 return view->scale * ZOOM_OUT_FACTOR >= MIN_SCALE;
2853 ev_view_zoom_in (EvView *view)
2855 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
2857 view->pending_scroll = SCROLL_TO_CENTER;
2858 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
2862 ev_view_zoom_out (EvView *view)
2864 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
2866 view->pending_scroll = SCROLL_TO_CENTER;
2867 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
2871 ev_view_rotate_right (EvView *view)
2873 int rotation = view->rotation + 90;
2875 if (rotation >= 360) {
2879 ev_view_set_rotation (view, rotation);
2883 ev_view_rotate_left (EvView *view)
2885 int rotation = view->rotation - 90;
2891 ev_view_set_rotation (view, rotation);
2895 ev_view_set_rotation (EvView *view, int rotation)
2897 view->rotation = rotation;
2899 if (view->pixbuf_cache) {
2900 ev_pixbuf_cache_clear (view->pixbuf_cache);
2901 gtk_widget_queue_resize (GTK_WIDGET (view));
2905 clear_selection (view);
2907 g_object_notify (G_OBJECT (view), "rotation");
2911 ev_view_get_rotation (EvView *view)
2913 return view->rotation;
2917 zoom_for_size_fit_width (int doc_width,
2925 scale = (double)target_width / doc_width;
2927 if (doc_height * scale > target_height)
2928 scale = (double) (target_width - vsb_width) / doc_width;
2934 zoom_for_size_fit_height (int doc_width,
2942 scale = (double)target_height / doc_height;
2944 if (doc_width * scale > target_width)
2945 scale = (double) (target_height - vsb_height) / doc_height;
2951 zoom_for_size_best_fit (int doc_width,
2961 w_scale = (double)target_width / doc_width;
2962 h_scale = (double)target_height / doc_height;
2964 if (doc_height * w_scale > target_height)
2965 w_scale = (double) (target_width - vsb_width) / doc_width;
2966 if (doc_width * h_scale > target_width)
2967 h_scale = (double) (target_height - hsb_width) / doc_height;
2969 return MIN (w_scale, h_scale);
2974 ev_view_zoom_for_size_presentation (EvView *view,
2978 int doc_width, doc_height;
2981 ev_page_cache_get_size (view->page_cache,
2987 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
2988 ev_view_set_zoom (view, scale, FALSE);
2992 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
2998 int doc_width, doc_height;
3002 ev_page_cache_get_max_width (view->page_cache,
3006 ev_page_cache_get_max_height (view->page_cache,
3010 compute_border (view, doc_width, doc_height, &border);
3012 doc_width = doc_width * 2;
3013 width -= (2 * (border.left + border.right) + 3 * view->spacing);
3014 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3016 /* FIXME: We really need to calculate the overall height here, not the
3017 * page height. We assume there's always a vertical scrollbar for
3018 * now. We need to fix this. */
3019 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3020 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3021 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3022 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3024 g_assert_not_reached ();
3026 ev_view_set_zoom (view, scale, FALSE);
3030 ev_view_zoom_for_size_continuous (EvView *view,
3036 int doc_width, doc_height;
3040 ev_page_cache_get_max_width (view->page_cache,
3044 ev_page_cache_get_max_height (view->page_cache,
3048 compute_border (view, doc_width, doc_height, &border);
3050 width -= (border.left + border.right + 2 * view->spacing);
3051 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3053 /* FIXME: We really need to calculate the overall height here, not the
3054 * page height. We assume there's always a vertical scrollbar for
3055 * now. We need to fix this. */
3056 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3057 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3058 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3059 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3061 g_assert_not_reached ();
3063 ev_view_set_zoom (view, scale, FALSE);
3067 ev_view_zoom_for_size_dual_page (EvView *view,
3074 gint doc_width, doc_height;
3078 other_page = view->current_page ^ 1;
3080 /* Find the largest of the two. */
3081 ev_page_cache_get_size (view->page_cache,
3085 &doc_width, &doc_height);
3087 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
3088 gint width_2, height_2;
3089 ev_page_cache_get_size (view->page_cache,
3093 &width_2, &height_2);
3094 if (width_2 > doc_width)
3095 doc_width = width_2;
3096 if (height_2 > doc_height)
3097 doc_height = height_2;
3099 compute_border (view, doc_width, doc_height, &border);
3101 doc_width = doc_width * 2;
3102 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
3103 height -= (border.top + border.bottom + 2 * view->spacing);
3105 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3106 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3107 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3108 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3110 g_assert_not_reached ();
3112 ev_view_set_zoom (view, scale, FALSE);
3116 ev_view_zoom_for_size_single_page (EvView *view,
3122 int doc_width, doc_height;
3126 ev_page_cache_get_size (view->page_cache,
3132 /* Get an approximate border */
3133 compute_border (view, width, height, &border);
3135 width -= (border.left + border.right + 2 * view->spacing);
3136 height -= (border.top + border.bottom + 2 * view->spacing);
3138 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3139 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3140 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3141 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3143 g_assert_not_reached ();
3145 ev_view_set_zoom (view, scale, FALSE);
3149 ev_view_set_zoom_for_size (EvView *view,
3155 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
3156 view->sizing_mode == EV_SIZING_BEST_FIT);
3157 g_return_if_fail (width >= 0);
3158 g_return_if_fail (height >= 0);
3160 if (view->document == NULL)
3163 if (view->presentation)
3164 ev_view_zoom_for_size_presentation (view, width, height);
3165 else if (view->continuous && view->dual_page)
3166 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
3167 else if (view->continuous)
3168 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
3169 else if (view->dual_page)
3170 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
3172 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
3175 /*** Status text messages ***/
3178 ev_view_get_status (EvView *view)
3180 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3182 return view->status;
3186 ev_view_set_status (EvView *view, const char *message)
3188 g_return_if_fail (EV_IS_VIEW (view));
3190 if (message != view->status) {
3191 g_free (view->status);
3192 view->status = g_strdup (message);
3193 g_object_notify (G_OBJECT (view), "status");
3198 update_find_status_message (EvView *view)
3202 if (view->current_page == view->find_page) {
3205 results = ev_document_find_get_n_results
3206 (EV_DOCUMENT_FIND (view->document),
3207 view->current_page);
3208 /* TRANS: Sometimes this could be better translated as
3209 "%d hit(s) on this page". Therefore this string
3210 contains plural cases. */
3211 message = g_strdup_printf (ngettext ("%d found on this page",
3212 "%d found on this page",
3218 percent = ev_document_find_get_progress
3219 (EV_DOCUMENT_FIND (view->document));
3220 if (percent >= (1.0 - 1e-10)) {
3221 message = g_strdup (_("Not found"));
3223 message = g_strdup_printf (_("%3d%% remaining to search"),
3224 (int) ((1.0 - percent) * 100));
3228 ev_view_set_find_status (view, message);
3233 ev_view_get_find_status (EvView *view)
3235 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3237 return view->find_status;
3241 ev_view_set_find_status (EvView *view, const char *message)
3243 g_return_if_fail (EV_IS_VIEW (view));
3245 g_free (view->find_status);
3246 view->find_status = g_strdup (message);
3247 g_object_notify (G_OBJECT (view), "find-status");
3253 jump_to_find_result (EvView *view)
3255 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3257 GdkRectangle view_rect;
3259 int page = view->find_page;
3261 n_results = ev_document_find_get_n_results (find, page);
3263 if (n_results > 0 && view->find_result < n_results) {
3264 ev_document_find_get_result
3265 (find, page, view->find_result, &rect);
3267 doc_rect_to_view_rect (view, page, &rect, &view_rect);
3268 ensure_rectangle_is_visible (view, &view_rect);
3273 jump_to_find_page (EvView *view, EvViewFindDirection direction)
3277 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3279 for (i = 0; i < n_pages; i++) {
3283 if (direction == EV_VIEW_FIND_NEXT)
3284 page = view->find_page + i;
3286 page = view->find_page - i;
3289 if (page >= n_pages) {
3290 page = page - n_pages;
3293 page = page + n_pages;
3295 has_results = ev_document_find_page_has_results
3296 (EV_DOCUMENT_FIND (view->document), page);
3297 if (has_results == -1) {
3298 view->find_page = page;
3300 } else if (has_results == 1) {
3301 ev_page_cache_set_current_page (view->page_cache, page);
3308 ev_view_can_find_next (EvView *view)
3310 if (EV_IS_DOCUMENT_FIND (view->document)) {
3311 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3314 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3315 for (i = 0; i < n_pages; i++) {
3316 if (ev_document_find_get_n_results (find, i) > 0) {
3326 ev_view_find_next (EvView *view)
3328 int n_results, n_pages;
3329 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3331 n_results = ev_document_find_get_n_results (find, view->current_page);
3333 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3335 view->find_result++;
3337 if (view->find_result >= n_results) {
3339 view->find_result = 0;
3341 if (view->find_page >= n_pages) {
3342 view->find_page = 0;
3345 jump_to_find_page (view, EV_VIEW_FIND_NEXT);
3346 jump_to_find_result (view);
3348 jump_to_find_result (view);
3349 gtk_widget_queue_draw (GTK_WIDGET (view));
3354 ev_view_find_previous (EvView *view)
3356 int n_results, n_pages;
3357 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3358 EvPageCache *page_cache;
3360 page_cache = ev_page_cache_get (view->document);
3362 n_results = ev_document_find_get_n_results (find, view->current_page);
3364 n_pages = ev_page_cache_get_n_pages (page_cache);
3366 view->find_result--;
3368 if (view->find_result < 0) {
3371 if (view->find_page < 0) {
3372 view->find_page = n_pages - 1;
3375 jump_to_find_page (view, EV_VIEW_FIND_PREV);
3376 view->find_result = ev_document_find_get_n_results (find, view->current_page) - 1;
3377 jump_to_find_result (view);
3379 jump_to_find_result (view);
3380 gtk_widget_queue_draw (GTK_WIDGET (view));
3384 /*** Selections ***/
3386 /* compute_new_selection_rect/text calculates the area currently selected by
3387 * view_rect. each handles a different mode;
3390 compute_new_selection_rect (EvView *view,
3394 GdkRectangle view_rect;
3398 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
3400 view_rect.x = MIN (start->x, stop->x);
3401 view_rect.y = MIN (start->y, stop->y);
3402 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
3403 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
3405 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3407 for (i = 0; i < n_pages; i++) {
3408 GdkRectangle page_area;
3411 if (get_page_extents (view, i, &page_area, &border)) {
3412 GdkRectangle overlap;
3414 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
3415 EvViewSelection *selection;
3417 selection = g_new0 (EvViewSelection, 1);
3418 selection->page = i;
3419 view_rect_to_doc_rect (view, &overlap, &page_area,
3420 &(selection->rect));
3422 list = g_list_append (list, selection);
3431 gdk_rectangle_point_in (GdkRectangle *rectangle,
3434 return rectangle->x <= point->x &&
3435 rectangle->y <= point->y &&
3436 point->x < rectangle->x + rectangle->width &&
3437 point->y < rectangle->y + rectangle->height;
3441 compute_new_selection_text (EvView *view,
3445 int n_pages, i, first, last;
3447 EvViewSelection *selection;
3449 int start_page, end_page;
3451 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
3453 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3455 /* First figure out the range of pages the selection
3459 if (view->continuous) {
3462 } else if (view->dual_page) {
3463 start_page = view->start_page;
3464 end_page = view->end_page + 1;
3466 start_page = view->current_page;
3467 end_page = view->current_page + 1;
3470 for (i = start_page; i < end_page; i++) {
3471 GdkRectangle page_area;
3474 get_page_extents (view, i, &page_area, &border);
3475 if (gdk_rectangle_point_in (&page_area, start) ||
3476 gdk_rectangle_point_in (&page_area, stop)) {
3477 if (first == n_pages)
3486 /* Now create a list of EvViewSelection's for the affected
3487 * pages. This could be an empty list, a list of just one
3488 * page or a number of pages.*/
3489 for (i = first; i < last + 1; i++) {
3490 GdkRectangle page_area;
3494 ev_page_cache_get_size (view->page_cache, i,
3496 1.0, &width, &height);
3498 selection = g_new0 (EvViewSelection, 1);
3499 selection->page = i;
3500 selection->rect.x1 = selection->rect.y1 = 0;
3501 selection->rect.x2 = width;
3502 selection->rect.y2 = height;
3504 get_page_extents (view, i, &page_area, &border);
3506 if (gdk_rectangle_point_in (&page_area, start))
3512 view_point_to_doc_point (view, point, &page_area,
3513 &selection->rect.x1,
3514 &selection->rect.y1);
3516 /* If the selection is contained within just one page,
3517 * make sure we don't write 'start' into both points
3518 * in selection->rect. */
3523 view_point_to_doc_point (view, point, &page_area,
3524 &selection->rect.x2,
3525 &selection->rect.y2);
3527 list = g_list_append (list, selection);
3533 /* This function takes the newly calculated list, and figures out which regions
3534 * have changed. It then queues a redraw approporiately.
3537 merge_selection_region (EvView *view,
3541 GList *new_list_ptr, *old_list_ptr;
3543 /* Update the selection */
3544 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
3545 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
3546 view->selection_info.selections = new_list;
3547 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
3548 g_object_notify (G_OBJECT (view), "has-selection");
3550 new_list_ptr = new_list;
3551 old_list_ptr = old_list;
3553 while (new_list_ptr || old_list_ptr) {
3554 EvViewSelection *old_sel, *new_sel;
3556 GdkRegion *region = NULL;
3558 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
3559 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
3561 /* Assume that the lists are in order, and we run through them
3562 * comparing them, one page at a time. We come out with the
3563 * first page we see. */
3564 if (new_sel && old_sel) {
3565 if (new_sel->page < old_sel->page) {
3566 new_list_ptr = new_list_ptr->next;
3568 } else if (new_sel->page > old_sel->page) {
3569 old_list_ptr = old_list_ptr->next;
3572 new_list_ptr = new_list_ptr->next;
3573 old_list_ptr = old_list_ptr->next;
3575 } else if (new_sel) {
3576 new_list_ptr = new_list_ptr->next;
3577 } else if (old_sel) {
3578 old_list_ptr = old_list_ptr->next;
3581 g_assert (new_sel || old_sel);
3583 /* is the page we're looking at on the screen?*/
3584 cur_page = new_sel ? new_sel->page : old_sel->page;
3585 if (cur_page < view->start_page || cur_page > view->end_page)
3588 /* seed the cache with a new page. We are going to need the new
3591 GdkRegion *tmp_region = NULL;
3592 ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
3597 new_sel->covered_region = gdk_region_copy (tmp_region);
3601 /* Now we figure out what needs redrawing */
3602 if (old_sel && new_sel) {
3603 if (old_sel->covered_region &&
3604 new_sel->covered_region) {
3605 /* We only want to redraw the areas that have
3606 * changed, so we xor the old and new regions
3607 * and redraw if it's different */
3608 region = gdk_region_copy (old_sel->covered_region);
3609 gdk_region_xor (region, new_sel->covered_region);
3610 if (gdk_region_empty (region)) {
3611 gdk_region_destroy (region);
3614 } else if (old_sel->covered_region) {
3615 region = gdk_region_copy (old_sel->covered_region);
3616 } else if (new_sel->covered_region) {
3617 region = gdk_region_copy (new_sel->covered_region);
3619 } else if (old_sel && !new_sel) {
3620 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
3621 region = gdk_region_copy (old_sel->covered_region);
3623 } else if (!old_sel && new_sel) {
3624 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
3625 region = gdk_region_copy (new_sel->covered_region);
3628 g_assert_not_reached ();
3631 /* Redraw the damaged region! */
3633 GdkRectangle page_area;
3636 get_page_extents (view, cur_page, &page_area, &border);
3637 gdk_region_offset (region,
3638 page_area.x + border.left - view->scroll_x,
3639 page_area.y + border.top - view->scroll_y);
3640 gdk_window_invalidate_region (GTK_WIDGET (view)->window, region, TRUE);
3641 gdk_region_destroy (region);
3645 /* Free the old list, now that we're done with it. */
3646 g_list_foreach (old_list, (GFunc) selection_free, NULL);
3650 compute_selections (EvView *view,
3656 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
3657 list = compute_new_selection_rect (view, start, stop);
3659 list = compute_new_selection_text (view, start, stop);
3660 merge_selection_region (view, list);
3663 /* Free's the selection. It's up to the caller to queue redraws if needed.
3666 selection_free (EvViewSelection *selection)
3668 if (selection->covered_region)
3669 gdk_region_destroy (selection->covered_region);
3674 clear_selection (EvView *view)
3676 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
3677 view->selection_info.selections = NULL;
3678 view->selection_info.in_selection = FALSE;
3679 g_object_notify (G_OBJECT (view), "has-selection");
3684 ev_view_select_all (EvView *view)
3688 /* Disable selection on rotated pages for the 0.4.0 series */
3689 if (view->rotation != 0)
3692 clear_selection (view);
3694 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3695 for (i = 0; i < n_pages; i++) {
3697 EvViewSelection *selection;
3699 ev_page_cache_get_size (view->page_cache,
3702 1.0, &width, &height);
3704 selection = g_new0 (EvViewSelection, 1);
3705 selection->page = i;
3706 selection->rect.x1 = selection->rect.y1 = 0;
3707 selection->rect.x2 = width;
3708 selection->rect.y2 = height;
3710 view->selection_info.selections = g_list_append (view->selection_info.selections, selection);
3713 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, view->selection_info.selections);
3714 g_object_notify (G_OBJECT (view), "has-selection");
3715 gtk_widget_queue_draw (GTK_WIDGET (view));
3719 ev_view_get_has_selection (EvView *view)
3721 return view->selection_info.selections != NULL;
3725 get_selected_text (EvView *ev_view)
3730 text = g_string_new (NULL);
3732 ev_document_doc_mutex_lock ();
3734 for (l = ev_view->selection_info.selections; l != NULL; l = l->next) {
3735 EvViewSelection *selection = (EvViewSelection *)l->data;
3738 tmp = ev_document_get_text (ev_view->document,
3741 g_string_append (text, tmp);
3745 ev_document_doc_mutex_unlock ();
3747 return g_string_free (text, FALSE);
3751 ev_view_copy (EvView *ev_view)
3753 GtkClipboard *clipboard;
3756 if (!ev_document_can_get_text (ev_view->document)) {
3760 text = get_selected_text (ev_view);
3761 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
3762 GDK_SELECTION_CLIPBOARD);
3763 gtk_clipboard_set_text (clipboard, text, -1);
3768 ev_view_primary_get_cb (GtkClipboard *clipboard,
3769 GtkSelectionData *selection_data,
3773 EvView *ev_view = EV_VIEW (data);
3776 if (!ev_document_can_get_text (ev_view->document)) {
3780 text = get_selected_text (ev_view);
3781 gtk_selection_data_set_text (selection_data, text, -1);
3786 ev_view_primary_clear_cb (GtkClipboard *clipboard,
3789 EvView *view = EV_VIEW (data);
3791 clear_selection (view);
3795 ev_view_update_primary_selection (EvView *ev_view)
3797 GtkClipboard *clipboard;
3799 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
3800 GDK_SELECTION_PRIMARY);
3802 if (ev_view->selection_info.selections) {
3803 if (!gtk_clipboard_set_with_owner (clipboard,
3805 G_N_ELEMENTS (targets),
3806 ev_view_primary_get_cb,
3807 ev_view_primary_clear_cb,
3808 G_OBJECT (ev_view)))
3809 ev_view_primary_clear_cb (clipboard, ev_view);
3811 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
3812 gtk_clipboard_clear (clipboard);
3816 /*** Cursor operations ***/
3819 ev_view_create_invisible_cursor(void)
3822 GdkColor black = { 0, 0, 0, 0 };
3823 static char bits[] = { 0x00 };
3825 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
3827 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
3831 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
3833 GdkCursor *cursor = NULL;
3834 GdkDisplay *display;
3837 if (view->cursor == new_cursor) {
3841 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
3842 display = gtk_widget_get_display (widget);
3843 view->cursor = new_cursor;
3845 switch (new_cursor) {
3846 case EV_VIEW_CURSOR_NORMAL:
3847 gdk_window_set_cursor (widget->window, NULL);
3849 case EV_VIEW_CURSOR_IBEAM:
3850 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
3852 case EV_VIEW_CURSOR_LINK:
3853 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
3855 case EV_VIEW_CURSOR_WAIT:
3856 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
3858 case EV_VIEW_CURSOR_HIDDEN:
3859 cursor = ev_view_create_invisible_cursor ();
3861 case EV_VIEW_CURSOR_DRAG:
3862 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
3867 gdk_window_set_cursor (widget->window, cursor);
3868 gdk_cursor_unref (cursor);
3874 ev_view_hide_cursor (EvView *view)
3876 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
3880 ev_view_show_cursor (EvView *view)
3882 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
3886 ev_view_next_page (EvView *view)
3890 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3892 page = ev_page_cache_get_current_page (view->page_cache);
3893 page = ev_view_get_dual_page (view) ? page + 2 : page + 1;
3895 if (page < ev_page_cache_get_n_pages (view->page_cache)) {
3896 ev_page_cache_set_current_page (view->page_cache, page);
3904 ev_view_previous_page (EvView *view)
3908 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3910 page = ev_page_cache_get_current_page (view->page_cache);
3911 page = ev_view_get_dual_page (view) ? page - 2 : page - 1;
3914 ev_page_cache_set_current_page (view->page_cache, page);
3921 /*** Enum description for usage in signal ***/
3924 ev_sizing_mode_get_type (void)
3926 static GType etype = 0;
3928 static const GEnumValue values[] = {
3929 { EV_SIZING_FIT_WIDTH, "EV_SIZING_FIT_WIDTH", "fit-width" },
3930 { EV_SIZING_BEST_FIT, "EV_SIZING_BEST_FIT", "best-fit" },
3931 { EV_SIZING_FREE, "EV_SIZING_FREE", "free" },
3934 etype = g_enum_register_static ("EvSizingMode", values);