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.
27 #include <glib/gi18n.h>
29 #include <gdk/gdkkeysyms.h>
31 #include "ev-document-forms.h"
32 #include "ev-document-images.h"
33 #include "ev-document-links.h"
34 #include "ev-document-misc.h"
35 #include "ev-document-transition.h"
36 #include "ev-page-cache.h"
37 #include "ev-pixbuf-cache.h"
38 #include "ev-transition-animation.h"
39 #include "ev-view-marshal.h"
41 #include "ev-view-accessible.h"
42 #include "ev-view-private.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))
61 SIGNAL_BINDING_ACTIVATED,
75 static guint signals[N_SIGNALS];
80 } EvViewFindDirection;
82 #define ZOOM_IN_FACTOR 1.2
83 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
85 #define MIN_SCALE 0.05409
88 #define SCROLL_TIME 150
91 static void scroll_to_current_page (EvView *view,
92 GtkOrientation orientation);
93 static void ev_view_set_scroll_adjustments (GtkLayout *layout,
94 GtkAdjustment *hadjustment,
95 GtkAdjustment *vadjustment);
96 static void view_update_range_and_current_page (EvView *view);
97 static void set_scroll_adjustment (EvView *view,
98 GtkOrientation orientation,
99 GtkAdjustment *adjustment);
100 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
102 GdkModifierType modifiers,
103 GtkScrollType scroll,
104 gboolean horizontal);
105 static void ensure_rectangle_is_visible (EvView *view,
108 /*** Geometry computations ***/
109 static void compute_border (EvView *view,
113 static void get_page_y_offset (EvView *view,
117 static gboolean get_page_extents (EvView *view,
119 GdkRectangle *page_area,
121 static void view_rect_to_doc_rect (EvView *view,
122 GdkRectangle *view_rect,
123 GdkRectangle *page_area,
124 EvRectangle *doc_rect);
125 static void doc_rect_to_view_rect (EvView *view,
127 EvRectangle *doc_rect,
128 GdkRectangle *view_rect);
129 static void find_page_at_location (EvView *view,
135 static gboolean doc_point_to_view_point (EvView *view,
138 GdkPoint *view_point);
140 static EvLink * ev_view_get_link_at_location (EvView *view,
143 static char* tip_from_link (EvView *view,
146 static EvFormField *ev_view_get_form_field_at_location (EvView *view,
150 /*** GtkWidget implementation ***/
151 static void ev_view_size_request_continuous_dual_page (EvView *view,
152 GtkRequisition *requisition);
153 static void ev_view_size_request_continuous (EvView *view,
154 GtkRequisition *requisition);
155 static void ev_view_size_request_dual_page (EvView *view,
156 GtkRequisition *requisition);
157 static void ev_view_size_request_single_page (EvView *view,
158 GtkRequisition *requisition);
159 static void ev_view_size_request (GtkWidget *widget,
160 GtkRequisition *requisition);
161 static void ev_view_size_allocate (GtkWidget *widget,
162 GtkAllocation *allocation);
163 static void ev_view_realize (GtkWidget *widget);
164 static gboolean ev_view_scroll_event (GtkWidget *widget,
165 GdkEventScroll *event);
166 static gboolean ev_view_expose_event (GtkWidget *widget,
167 GdkEventExpose *event);
168 static gboolean ev_view_popup_menu (GtkWidget *widget);
169 static gboolean ev_view_button_press_event (GtkWidget *widget,
170 GdkEventButton *event);
171 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
172 GdkEventMotion *event);
173 static gboolean ev_view_button_release_event (GtkWidget *widget,
174 GdkEventButton *event);
175 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
176 GdkEventCrossing *event);
177 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
178 GdkEventCrossing *event);
179 static void ev_view_style_set (GtkWidget *widget,
180 GtkStyle *old_style);
181 static void ev_view_remove_all (EvView *view);
183 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
186 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
187 static void draw_rubberband (GtkWidget *widget,
189 const GdkRectangle *rect,
191 static void highlight_find_results (EvView *view,
193 static void draw_one_page (EvView *view,
196 GdkRectangle *page_area,
198 GdkRectangle *expose_area,
199 gboolean *page_ready);
200 static void draw_loading_text (EvView *view,
201 GdkRectangle *page_area,
202 GdkRectangle *expose_area);
203 static void ev_view_reload_page (EvView *view,
208 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
211 static void page_changed_cb (EvPageCache *page_cache,
214 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
218 static void ev_view_finalize (GObject *object);
219 static void ev_view_destroy (GtkObject *object);
220 static void ev_view_set_property (GObject *object,
224 static void ev_view_get_property (GObject *object,
228 static void ev_view_class_init (EvViewClass *class);
229 static void ev_view_init (EvView *view);
231 /*** Zoom and sizing ***/
232 static double zoom_for_size_fit_width (int doc_width,
237 static double zoom_for_size_fit_height (int doc_width,
242 static double zoom_for_size_best_fit (int doc_width,
248 static void ev_view_zoom_for_size_presentation (EvView *view,
251 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
256 static void ev_view_zoom_for_size_continuous (EvView *view,
261 static void ev_view_zoom_for_size_dual_page (EvView *view,
266 static void ev_view_zoom_for_size_single_page (EvView *view,
272 static GdkCursor* ev_view_create_invisible_cursor (void);
273 static void ev_view_set_cursor (EvView *view,
274 EvViewCursor new_cursor);
275 static void ev_view_handle_cursor_over_xy (EvView *view,
280 static gint ev_view_find_get_n_results (EvView *view,
282 static EvRectangle *ev_view_find_get_result (EvView *view,
285 static void jump_to_find_result (EvView *view);
286 static void jump_to_find_page (EvView *view,
287 EvViewFindDirection direction,
291 static void compute_selections (EvView *view,
292 EvSelectionStyle style,
295 static void clear_selection (EvView *view);
296 static void clear_link_selected (EvView *view);
297 static void selection_free (EvViewSelection *selection);
298 static char* get_selected_text (EvView *ev_view);
299 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
300 GtkSelectionData *selection_data,
303 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
305 static void ev_view_update_primary_selection (EvView *ev_view);
307 /*** Presentation ***/
308 static void ev_view_presentation_transition_start (EvView *ev_view);
309 static void ev_view_presentation_transition_stop (EvView *ev_view);
312 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_LAYOUT)
315 scroll_to_current_page (EvView *view, GtkOrientation orientation)
319 if (view->document == NULL) {
323 doc_point_to_view_point (view, view->current_page, &view->pending_point, &view_point);
325 if (orientation == GTK_ORIENTATION_VERTICAL) {
326 view->pending_point.y = 0;
328 view->pending_point.x = 0;
331 if (orientation == GTK_ORIENTATION_VERTICAL) {
332 if (view->continuous) {
333 gtk_adjustment_clamp_page (view->vadjustment,
334 view_point.y - view->spacing / 2,
335 view_point.y + view->vadjustment->page_size);
337 gtk_adjustment_set_value (view->vadjustment,
339 view->vadjustment->lower,
340 view->vadjustment->upper -
341 view->vadjustment->page_size));
344 if (view->dual_page) {
345 gtk_adjustment_clamp_page (view->hadjustment,
347 view_point.x + view->hadjustment->page_size);
349 gtk_adjustment_set_value (view->hadjustment,
351 view->hadjustment->lower,
352 view->hadjustment->upper -
353 view->hadjustment->page_size));
359 view_set_adjustment_values (EvView *view,
360 GtkOrientation orientation)
362 GtkWidget *widget = GTK_WIDGET (view);
363 GtkAdjustment *adjustment;
370 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
371 requisition = widget->requisition.width;
372 allocation = widget->allocation.width;
373 adjustment = view->hadjustment;
375 requisition = widget->requisition.height;
376 allocation = widget->allocation.height;
377 adjustment = view->vadjustment;
384 switch (view->pending_scroll) {
385 case SCROLL_TO_KEEP_POSITION:
386 case SCROLL_TO_FIND_LOCATION:
387 factor = (adjustment->value) / adjustment->upper;
389 case SCROLL_TO_PAGE_POSITION:
391 case SCROLL_TO_CENTER:
392 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
396 adjustment->page_size = allocation;
397 adjustment->step_increment = allocation * 0.1;
398 adjustment->page_increment = allocation * 0.9;
399 adjustment->lower = 0;
400 adjustment->upper = MAX (allocation, requisition);
403 * We add 0.5 to the values before to average out our rounding errors.
405 switch (view->pending_scroll) {
406 case SCROLL_TO_KEEP_POSITION:
407 case SCROLL_TO_FIND_LOCATION:
408 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
409 gtk_adjustment_set_value (adjustment, (int)new_value);
411 case SCROLL_TO_PAGE_POSITION:
412 scroll_to_current_page (view, orientation);
414 case SCROLL_TO_CENTER:
415 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
416 0, adjustment->upper - adjustment->page_size);
417 gtk_adjustment_set_value (adjustment, (int)new_value);
421 gtk_adjustment_changed (adjustment);
425 view_update_range_and_current_page (EvView *view)
428 gint best_current_page = -1;
430 /* Presentation trumps all other modes */
431 if (view->presentation) {
432 view->start_page = view->current_page;
433 view->end_page = view->current_page;
434 } else if (view->continuous) {
435 GdkRectangle current_area, unused, page_area;
437 gboolean found = FALSE;
438 gint area_max = -1, area;
441 if (!(view->vadjustment && view->hadjustment))
444 current_area.x = view->hadjustment->value;
445 current_area.width = view->hadjustment->upper;
446 current_area.y = view->vadjustment->value;
447 current_area.height = view->vadjustment->page_size;
449 for (i = 0; i < ev_page_cache_get_n_pages (view->page_cache); i++) {
451 get_page_extents (view, i, &page_area, &border);
453 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
454 area = unused.width * unused.height;
458 view->start_page = i;
460 best_current_page = i;
462 if (area > area_max) {
463 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
468 } else if (found && view->current_page <= view->end_page) {
473 } else if (view->dual_page) {
474 if (view->current_page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) {
475 view->start_page = view->current_page;
476 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache))
477 view->end_page = view->start_page + 1;
479 view->end_page = view->start_page;
481 if (view->current_page < 1)
482 view->start_page = view->current_page;
484 view->start_page = view->current_page - 1;
485 view->end_page = view->current_page;
488 view->start_page = view->current_page;
489 view->end_page = view->current_page;
492 best_current_page = MAX (best_current_page, view->start_page);
493 current_page = ev_page_cache_get_current_page (view->page_cache);
495 if ((current_page != best_current_page) && (view->pending_scroll == SCROLL_TO_KEEP_POSITION)) {
496 view->current_page = best_current_page;
497 ev_page_cache_set_current_page (view->page_cache, best_current_page);
500 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
505 view->selection_info.selections);
509 set_scroll_adjustment (EvView *view,
510 GtkOrientation orientation,
511 GtkAdjustment *adjustment)
513 GtkAdjustment **to_set;
515 if (orientation == GTK_ORIENTATION_HORIZONTAL)
516 to_set = &view->hadjustment;
518 to_set = &view->vadjustment;
520 if (*to_set != adjustment) {
522 g_signal_handlers_disconnect_by_func (*to_set,
523 (gpointer) on_adjustment_value_changed,
525 g_object_unref (*to_set);
528 *to_set = adjustment;
529 view_set_adjustment_values (view, orientation);
532 g_object_ref (*to_set);
533 g_signal_connect (*to_set, "value_changed",
534 G_CALLBACK (on_adjustment_value_changed), view);
540 ev_view_set_scroll_adjustments (GtkLayout *layout,
541 GtkAdjustment *hadjustment,
542 GtkAdjustment *vadjustment)
544 EvView *view = EV_VIEW (layout);
546 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
547 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
549 on_adjustment_value_changed (NULL, view);
553 add_scroll_binding_keypad (GtkBindingSet *binding_set,
555 GdkModifierType modifiers,
556 GtkScrollType scroll,
559 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
561 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
562 "binding_activated", 2,
563 GTK_TYPE_SCROLL_TYPE, scroll,
564 G_TYPE_BOOLEAN, horizontal);
565 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
566 "binding_activated", 2,
567 GTK_TYPE_SCROLL_TYPE, scroll,
568 G_TYPE_BOOLEAN, horizontal);
572 ev_view_scroll (EvView *view,
573 GtkScrollType scroll,
576 GtkAdjustment *adjustment;
577 double value, increment;
578 gboolean first_page = FALSE;
579 gboolean last_page = FALSE;
581 view->jump_to_find_result = FALSE;
583 if (view->presentation || view->sizing_mode == EV_SIZING_BEST_FIT) {
585 case GTK_SCROLL_PAGE_BACKWARD:
586 case GTK_SCROLL_STEP_BACKWARD:
587 ev_view_previous_page (view);
589 case GTK_SCROLL_PAGE_FORWARD:
590 case GTK_SCROLL_STEP_FORWARD:
591 ev_view_next_page (view);
599 /* Assign values for increment and vertical adjustment */
600 adjustment = horizontal ? view->hadjustment : view->vadjustment;
601 increment = adjustment->page_size * 0.75;
602 value = adjustment->value;
604 /* Assign boolean for first and last page */
605 if (view->current_page == 0)
607 if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1)
611 case GTK_SCROLL_PAGE_BACKWARD:
612 /* Do not jump backwards if at the first page */
613 if (value == (adjustment->lower) && first_page) {
615 /* At the top of a page, assign the upper bound limit of previous page */
616 } else if (value == (adjustment->lower)) {
617 value = adjustment->upper - adjustment->page_size;
618 ev_view_previous_page (view);
619 /* Jump to the top */
621 value = MAX (value - increment, adjustment->lower);
624 case GTK_SCROLL_PAGE_FORWARD:
625 /* Do not jump forward if at the last page */
626 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
628 /* At the bottom of a page, assign the lower bound limit of next page */
629 } else if (value == (adjustment->upper - adjustment->page_size)) {
631 ev_view_next_page (view);
632 /* Jump to the bottom */
634 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
637 case GTK_SCROLL_STEP_BACKWARD:
638 value -= adjustment->step_increment;
640 case GTK_SCROLL_STEP_FORWARD:
641 value += adjustment->step_increment;
643 case GTK_SCROLL_STEP_DOWN:
644 value -= adjustment->step_increment / 10;
646 case GTK_SCROLL_STEP_UP:
647 value += adjustment->step_increment / 10;
653 value = CLAMP (value, adjustment->lower,
654 adjustment->upper - adjustment->page_size);
656 gtk_adjustment_set_value (adjustment, value);
662 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
664 GtkWidget *widget = GTK_WIDGET (view);
665 GtkAdjustment *adjustment;
668 view->pending_scroll = SCROLL_TO_FIND_LOCATION;
670 adjustment = view->vadjustment;
672 if (rect->y < adjustment->value) {
673 value = MAX (adjustment->lower, rect->y - MARGIN);
674 gtk_adjustment_set_value (view->vadjustment, value);
675 } else if (rect->y + rect->height >
676 adjustment->value + widget->allocation.height) {
677 value = MIN (adjustment->upper, rect->y + rect->height -
678 widget->allocation.height + MARGIN);
679 gtk_adjustment_set_value (view->vadjustment, value);
682 adjustment = view->hadjustment;
684 if (rect->x < adjustment->value) {
685 value = MAX (adjustment->lower, rect->x - MARGIN);
686 gtk_adjustment_set_value (view->hadjustment, value);
687 } else if (rect->x + rect->height >
688 adjustment->value + widget->allocation.width) {
689 value = MIN (adjustment->upper, rect->x + rect->width -
690 widget->allocation.width + MARGIN);
691 gtk_adjustment_set_value (view->hadjustment, value);
694 gtk_widget_queue_resize (GTK_WIDGET (view));
697 /*** Geometry computations ***/
700 compute_border (EvView *view, int width, int height, GtkBorder *border)
702 if (view->presentation) {
708 ev_document_misc_get_page_border_size (width, height, border);
713 get_page_y_offset (EvView *view, int page, double zoom, int *y_offset)
715 int max_width, offset;
718 g_return_if_fail (y_offset != NULL);
720 ev_page_cache_get_max_width (view->page_cache, view->rotation, zoom, &max_width);
722 compute_border (view, max_width, max_width, &border);
724 if (view->dual_page) {
725 ev_page_cache_get_height_to_page (view->page_cache, page,
726 view->rotation, zoom, NULL, &offset);
727 offset += ((page + ev_page_cache_get_dual_even_left (view->page_cache)) / 2 + 1) * view->spacing + ((page + ev_page_cache_get_dual_even_left (view->page_cache)) / 2 ) * (border.top + border.bottom);
729 ev_page_cache_get_height_to_page (view->page_cache, page,
730 view->rotation, zoom, &offset, NULL);
731 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
739 get_page_extents (EvView *view,
741 GdkRectangle *page_area,
747 widget = GTK_WIDGET (view);
749 /* Get the size of the page */
750 ev_page_cache_get_size (view->page_cache, page,
754 compute_border (view, width, height, border);
755 page_area->width = width + border->left + border->right;
756 page_area->height = height + border->top + border->bottom;
758 if (view->presentation) {
759 page_area->x = (MAX (0, widget->allocation.width - width))/2;
760 page_area->y = (MAX (0, widget->allocation.height - height))/2;
761 } else if (view->continuous) {
765 ev_page_cache_get_max_width (view->page_cache, view->rotation,
766 view->scale, &max_width);
767 max_width = max_width + border->left + border->right;
768 /* Get the location of the bounding box */
769 if (view->dual_page) {
770 x = view->spacing + ((page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? 0 : 1) * (max_width + view->spacing);
771 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
772 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
773 x = x + (max_width - width - border->left - border->right);
776 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
779 get_page_y_offset (view, page, view->scale, &y);
785 if (view->dual_page) {
786 gint width_2, height_2;
787 gint max_width = width;
788 gint max_height = height;
789 GtkBorder overall_border;
792 other_page = (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? page + 1: page - 1;
794 /* First, we get the bounding box of the two pages */
795 if (other_page < ev_page_cache_get_n_pages (view->page_cache)
796 && (0 <= other_page)) {
797 ev_page_cache_get_size (view->page_cache,
801 &width_2, &height_2);
804 if (height_2 > height)
805 max_height = height_2;
807 compute_border (view, max_width, max_height, &overall_border);
809 /* Find the offsets */
813 /* Adjust for being the left or right page */
814 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
815 x = x + max_width - width;
817 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
819 y = y + (max_height - height)/2;
821 /* Adjust for extra allocation */
822 x = x + MAX (0, widget->allocation.width -
823 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
824 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
829 /* Adjust for extra allocation */
830 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
831 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
842 view_point_to_doc_point (EvView *view,
843 GdkPoint *view_point,
844 GdkRectangle *page_area,
848 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
849 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
853 view_rect_to_doc_rect (EvView *view,
854 GdkRectangle *view_rect,
855 GdkRectangle *page_area,
856 EvRectangle *doc_rect)
858 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
859 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
860 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
861 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
865 doc_point_to_view_point (EvView *view,
868 GdkPoint *view_point)
870 GdkRectangle page_area;
872 double x, y, view_x, view_y;
875 ev_page_cache_get_size (view->page_cache, page,
880 if (view->rotation == 0) {
883 } else if (view->rotation == 90) {
884 x = width - doc_point->y;
886 } else if (view->rotation == 180) {
887 x = width - doc_point->x;
888 y = height - doc_point->y;
889 } else if (view->rotation == 270) {
891 y = height - doc_point->x;
893 g_assert_not_reached ();
896 get_page_extents (view, page, &page_area, &border);
898 view_x = x * view->scale;
899 view_y = y * view->scale;
900 view_point->x = view_x + page_area.x;
901 view_point->y = view_y + page_area.y;
903 return (view_x > 0 && view_x <= page_area.width &&
904 view_y > 0 && view_y <= page_area.height);
908 doc_rect_to_view_rect (EvView *view,
910 EvRectangle *doc_rect,
911 GdkRectangle *view_rect)
913 GdkRectangle page_area;
918 ev_page_cache_get_size (view->page_cache, page,
923 if (view->rotation == 0) {
926 w = doc_rect->x2 - doc_rect->x1;
927 h = doc_rect->y2 - doc_rect->y1;
928 } else if (view->rotation == 90) {
929 x = width - doc_rect->y2;
931 w = doc_rect->y2 - doc_rect->y1;
932 h = doc_rect->x2 - doc_rect->x1;
933 } else if (view->rotation == 180) {
934 x = width - doc_rect->x2;
935 y = height - doc_rect->y2;
936 w = doc_rect->x2 - doc_rect->x1;
937 h = doc_rect->y2 - doc_rect->y1;
938 } else if (view->rotation == 270) {
940 y = height - doc_rect->x2;
941 w = doc_rect->y2 - doc_rect->y1;
942 h = doc_rect->x2 - doc_rect->x1;
944 g_assert_not_reached ();
947 get_page_extents (view, page, &page_area, &border);
949 view_rect->x = x * view->scale + page_area.x;
950 view_rect->y = y * view->scale + page_area.y;
951 view_rect->width = w * view->scale;
952 view_rect->height = h * view->scale;
956 find_page_at_location (EvView *view,
965 if (view->document == NULL)
972 for (i = view->start_page; i <= view->end_page; i++) {
973 GdkRectangle page_area;
976 if (! get_page_extents (view, i, &page_area, &border))
979 if ((x >= page_area.x + border.left) &&
980 (x < page_area.x + page_area.width - border.right) &&
981 (y >= page_area.y + border.top) &&
982 (y < page_area.y + page_area.height - border.bottom)) {
984 *x_offset = x - (page_area.x + border.left);
985 *y_offset = y - (page_area.y + border.top);
994 location_in_text (EvView *view,
1000 gint x_offset = 0, y_offset = 0;
1002 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1007 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
1010 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1016 ev_view_get_width (EvView *view)
1018 return GTK_WIDGET (view)->allocation.width;
1022 ev_view_get_height (EvView *view)
1024 return GTK_WIDGET (view)->allocation.height;
1028 location_in_selected_text (EvView *view,
1033 gint x_offset = 0, y_offset = 0;
1034 EvViewSelection *selection;
1037 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1038 selection = (EvViewSelection *)l->data;
1040 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1042 if (page != selection->page)
1045 if (selection->covered_region &&
1046 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1054 get_doc_point_from_offset (EvView *view,
1064 ev_page_cache_get_size (view->page_cache, page,
1069 x_offset = x_offset / view->scale;
1070 y_offset = y_offset / view->scale;
1072 if (view->rotation == 0) {
1075 } else if (view->rotation == 90) {
1077 y = width - x_offset;
1078 } else if (view->rotation == 180) {
1079 x = width - x_offset;
1080 y = height - y_offset;
1081 } else if (view->rotation == 270) {
1082 x = height - y_offset;
1085 g_assert_not_reached ();
1096 ev_view_get_link_at_location (EvView *view,
1101 gint x_offset = 0, y_offset = 0;
1102 gint x_new = 0, y_new = 0;
1103 GList *link_mapping;
1105 if (!EV_IS_DOCUMENT_LINKS (view->document))
1108 x += view->scroll_x;
1109 y += view->scroll_y;
1111 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1117 if (get_doc_point_from_offset (view, page, x_offset,
1118 y_offset, &x_new, &y_new) == FALSE)
1121 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1124 return ev_link_mapping_find (link_mapping, x_new, y_new);
1130 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1133 gdouble zoom, left, top;
1134 gboolean change_left, change_top;
1136 left = ev_link_dest_get_left (dest, &change_left);
1137 top = ev_link_dest_get_top (dest, &change_top);
1139 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - left,
1140 ev_link_dest_get_bottom (dest) - top,
1141 ev_view_get_width (view),
1142 ev_view_get_height (view), 0, 0);
1144 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1145 ev_view_set_zoom (view, zoom, FALSE);
1147 doc_point.x = change_left ? left : 0;
1148 doc_point.y = change_top ? top : 0;
1150 view->current_page = ev_link_dest_get_page (dest);
1151 if (change_left || change_top)
1152 view->pending_point = doc_point;
1153 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1155 gtk_widget_queue_resize (GTK_WIDGET (view));
1159 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1162 int doc_width, doc_height, page;
1164 gboolean change_left;
1166 page = ev_link_dest_get_page (dest);
1167 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1169 left = ev_link_dest_get_left (dest, &change_left);
1170 doc_point.x = change_left ? left : 0;
1173 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1174 ev_view_get_width (view),
1175 ev_view_get_height (view), 0);
1177 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1178 ev_view_set_zoom (view, zoom, FALSE);
1180 view->current_page = page;
1182 view->pending_point = doc_point;
1183 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1185 gtk_widget_queue_resize (GTK_WIDGET (view));
1189 goto_fith_dest (EvView *view, EvLinkDest *dest)
1192 int doc_width, doc_height, page;
1194 gboolean change_top;
1196 page = ev_link_dest_get_page (dest);
1197 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1199 top = ev_link_dest_get_top (dest, &change_top);
1202 doc_point.y = change_top ? top : 0;
1204 zoom = zoom_for_size_fit_width (doc_width, top,
1205 ev_view_get_width (view),
1206 ev_view_get_height (view), 0);
1208 ev_view_set_sizing_mode (view, EV_SIZING_FIT_WIDTH);
1209 ev_view_set_zoom (view, zoom, FALSE);
1211 view->current_page = page;
1213 view->pending_point = doc_point;
1214 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1216 gtk_widget_queue_resize (GTK_WIDGET (view));
1220 goto_fit_dest (EvView *view, EvLinkDest *dest)
1223 int doc_width, doc_height;
1226 page = ev_link_dest_get_page (dest);
1227 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1229 zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view),
1230 ev_view_get_height (view), 0, 0);
1232 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
1233 ev_view_set_zoom (view, zoom, FALSE);
1235 view->current_page = page;
1236 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1238 gtk_widget_queue_resize (GTK_WIDGET (view));
1242 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1246 gdouble zoom, left, top;
1247 gboolean change_zoom, change_left, change_top;
1249 zoom = ev_link_dest_get_zoom (dest, &change_zoom);
1250 page = ev_link_dest_get_page (dest);
1252 if (change_zoom && zoom > 1) {
1253 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1254 ev_view_set_zoom (view, zoom, FALSE);
1257 left = ev_link_dest_get_left (dest, &change_left);
1258 top = ev_link_dest_get_top (dest, &change_top);
1260 doc_point.x = change_left ? left : 0;
1261 doc_point.y = change_top ? top : 0;
1263 view->current_page = page;
1264 if (change_left || change_top)
1265 view->pending_point = doc_point;
1266 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1268 gtk_widget_queue_resize (GTK_WIDGET (view));
1272 goto_dest (EvView *view, EvLinkDest *dest)
1274 EvLinkDestType type;
1275 int page, n_pages, current_page;
1277 page = ev_link_dest_get_page (dest);
1278 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1280 if (page < 0 || page >= n_pages)
1283 current_page = view->current_page;
1285 type = ev_link_dest_get_dest_type (dest);
1288 case EV_LINK_DEST_TYPE_PAGE:
1289 ev_page_cache_set_current_page (view->page_cache, page);
1291 case EV_LINK_DEST_TYPE_FIT:
1292 goto_fit_dest (view, dest);
1294 case EV_LINK_DEST_TYPE_FITH:
1295 goto_fith_dest (view, dest);
1297 case EV_LINK_DEST_TYPE_FITV:
1298 goto_fitv_dest (view, dest);
1300 case EV_LINK_DEST_TYPE_FITR:
1301 goto_fitr_dest (view, dest);
1303 case EV_LINK_DEST_TYPE_XYZ:
1304 goto_xyz_dest (view, dest);
1306 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1307 ev_page_cache_set_page_label (view->page_cache, ev_link_dest_get_page_label (dest));
1310 g_assert_not_reached ();
1313 if (current_page != view->current_page)
1314 ev_page_cache_set_current_page (view->page_cache,
1315 view->current_page);
1319 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1321 EvLinkDestType type;
1323 type = ev_link_dest_get_dest_type (dest);
1325 if (type == EV_LINK_DEST_TYPE_NAMED) {
1327 const gchar *named_dest;
1329 named_dest = ev_link_dest_get_named_dest (dest);
1330 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1333 goto_dest (view, dest2);
1334 g_object_unref (dest2);
1340 goto_dest (view, dest);
1344 ev_view_handle_link (EvView *view, EvLink *link)
1346 EvLinkAction *action = NULL;
1347 EvLinkActionType type;
1349 action = ev_link_get_action (link);
1353 type = ev_link_action_get_action_type (action);
1356 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1359 g_signal_emit (view, signals[SIGNAL_HANDLE_LINK], 0, link);
1361 dest = ev_link_action_get_dest (action);
1362 ev_view_goto_dest (view, dest);
1365 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1366 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1367 case EV_LINK_ACTION_TYPE_LAUNCH:
1368 case EV_LINK_ACTION_TYPE_NAMED:
1369 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1375 ev_view_page_label_from_dest (EvView *view, EvLinkDest *dest)
1377 EvLinkDestType type;
1380 type = ev_link_dest_get_dest_type (dest);
1383 case EV_LINK_DEST_TYPE_NAMED: {
1385 const gchar *named_dest;
1387 named_dest = ev_link_dest_get_named_dest (dest);
1388 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1391 msg = ev_page_cache_get_page_label (view->page_cache,
1392 ev_link_dest_get_page (dest2));
1393 g_object_unref (dest2);
1398 case EV_LINK_DEST_TYPE_PAGE_LABEL: {
1399 msg = g_strdup (ev_link_dest_get_page_label (dest));
1403 msg = ev_page_cache_get_page_label (view->page_cache,
1404 ev_link_dest_get_page (dest));
1411 tip_from_action_named (EvLinkAction *action)
1413 const gchar *name = ev_link_action_get_name (action);
1415 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1416 return g_strdup (_("Go to first page"));
1417 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1418 return g_strdup (_("Go to previous page"));
1419 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1420 return g_strdup (_("Go to next page"));
1421 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1422 return g_strdup (_("Go to last page"));
1423 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1424 return g_strdup (_("Go to page"));
1425 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1426 return g_strdup (_("Find"));
1433 tip_from_link (EvView *view, EvLink *link)
1435 EvLinkAction *action;
1436 EvLinkActionType type;
1441 action = ev_link_get_action (link);
1442 title = ev_link_get_title (link);
1445 return title ? g_strdup (title) : NULL;
1447 type = ev_link_action_get_action_type (action);
1450 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1451 page_label = ev_view_page_label_from_dest (view,
1452 ev_link_action_get_dest (action));
1454 msg = g_strdup_printf (_("Go to page %s"), page_label);
1455 g_free (page_label);
1458 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1460 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1461 ev_link_action_get_filename (action));
1463 msg = g_strdup_printf (_("Go to file “%s”"),
1464 ev_link_action_get_filename (action));
1467 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1468 msg = g_strdup (ev_link_action_get_uri (action));
1470 case EV_LINK_ACTION_TYPE_LAUNCH:
1471 msg = g_strdup_printf (_("Launch %s"),
1472 ev_link_action_get_filename (action));
1474 case EV_LINK_ACTION_TYPE_NAMED:
1475 msg = tip_from_action_named (action);
1479 msg = g_strdup (title);
1487 ev_view_handle_cursor_over_xy (EvView *view, gint x, gint y)
1492 if (view->cursor == EV_VIEW_CURSOR_HIDDEN)
1495 if (view->drag_info.in_drag) {
1496 if (view->cursor != EV_VIEW_CURSOR_DRAG)
1497 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1501 if (view->scroll_info.autoscrolling) {
1502 if (view->cursor != EV_VIEW_CURSOR_AUTOSCROLL)
1503 ev_view_set_cursor (view, EV_VIEW_CURSOR_AUTOSCROLL);
1507 link = ev_view_get_link_at_location (view, x, y);
1509 g_object_set (view, "has-tooltip", TRUE, NULL);
1510 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1511 } else if ((field = ev_view_get_form_field_at_location (view, x, y))) {
1512 if (field->is_read_only) {
1513 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1514 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1515 view->cursor == EV_VIEW_CURSOR_DRAG)
1516 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1517 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
1518 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1520 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1522 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1523 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1525 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1526 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1527 view->cursor == EV_VIEW_CURSOR_DRAG ||
1528 view->cursor == EV_VIEW_CURSOR_AUTOSCROLL)
1529 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1535 ev_view_get_image_at_location (EvView *view,
1540 gint x_offset = 0, y_offset = 0;
1541 gint x_new = 0, y_new = 0;
1542 GList *image_mapping;
1544 if (!EV_IS_DOCUMENT_IMAGES (view->document))
1547 x += view->scroll_x;
1548 y += view->scroll_y;
1550 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1555 if (get_doc_point_from_offset (view, page, x_offset,
1556 y_offset, &x_new, &y_new) == FALSE)
1559 image_mapping = ev_pixbuf_cache_get_image_mapping (view->pixbuf_cache, page);
1562 return ev_image_mapping_find (image_mapping, x_new, y_new);
1568 static EvFormField *
1569 ev_view_get_form_field_at_location (EvView *view,
1574 gint x_offset = 0, y_offset = 0;
1575 gint x_new = 0, y_new = 0;
1576 GList *forms_mapping;
1578 if (!EV_IS_DOCUMENT_FORMS (view->document))
1581 x += view->scroll_x;
1582 y += view->scroll_y;
1584 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1589 if (get_doc_point_from_offset (view, page, x_offset,
1590 y_offset, &x_new, &y_new) == FALSE)
1593 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, page);
1596 return ev_form_field_mapping_find (forms_mapping, x_new, y_new);
1602 ev_view_form_field_get_region (EvView *view,
1605 EvRectangle field_area;
1606 GdkRectangle view_area;
1607 GList *forms_mapping;
1609 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
1610 field->page->index);
1611 ev_form_field_mapping_get_area (forms_mapping, field, &field_area);
1612 doc_rect_to_view_rect (view, field->page->index, &field_area, &view_area);
1613 view_area.x -= view->scroll_x;
1614 view_area.y -= view->scroll_y;
1616 return gdk_region_rectangle (&view_area);
1620 ev_view_forms_remove_widgets (EvView *view)
1622 ev_view_remove_all (view);
1628 ev_view_form_field_destroy (GtkWidget *widget,
1631 g_idle_add ((GSourceFunc)ev_view_forms_remove_widgets, view);
1635 ev_view_form_field_button_create_widget (EvView *view,
1638 EvFormFieldButton *field_button = EV_FORM_FIELD_BUTTON (field);
1639 GdkRegion *field_region = NULL;
1641 switch (field_button->type) {
1642 case EV_FORM_FIELD_BUTTON_PUSH:
1644 case EV_FORM_FIELD_BUTTON_CHECK:
1645 case EV_FORM_FIELD_BUTTON_RADIO: {
1647 GList *forms_mapping, *l;
1649 state = ev_document_forms_form_field_button_get_state (EV_DOCUMENT_FORMS (view->document),
1652 /* FIXME: it actually depends on NoToggleToOff flags */
1653 if (field_button->type == EV_FORM_FIELD_BUTTON_RADIO &&
1654 state && field_button->state)
1657 field_region = ev_view_form_field_get_region (view, field);
1659 /* For radio buttons and checkbox buttons that are in a set
1660 * we need to update also the region for the current selected item
1662 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
1663 field->page->index);
1664 for (l = forms_mapping; l; l = g_list_next (l)) {
1665 EvFormField *button = ((EvFormFieldMapping *)(l->data))->field;
1666 GdkRegion *button_region;
1668 if (button->id == field->id)
1671 /* FIXME: only buttons in the same group should be updated */
1672 if (!EV_IS_FORM_FIELD_BUTTON (button) ||
1673 EV_FORM_FIELD_BUTTON (button)->type != field_button->type ||
1674 EV_FORM_FIELD_BUTTON (button)->state != TRUE)
1677 button_region = ev_view_form_field_get_region (view, button);
1678 gdk_region_union (field_region, button_region);
1679 gdk_region_destroy (button_region);
1682 ev_document_forms_form_field_button_set_state (EV_DOCUMENT_FORMS (view->document),
1684 field_button->state = !state;
1689 ev_view_reload_page (view, field->page->index, field_region);
1690 gdk_region_destroy (field_region);
1696 ev_view_form_field_text_save (EvView *view,
1701 if (!view->document)
1704 field = g_object_get_data (G_OBJECT (widget), "form-field");
1706 if (field->changed) {
1707 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1708 GdkRegion *field_region;
1710 field_region = ev_view_form_field_get_region (view, field);
1712 ev_document_forms_form_field_text_set_text (EV_DOCUMENT_FORMS (view->document),
1713 field, field_text->text);
1714 field->changed = FALSE;
1715 ev_view_reload_page (view, field->page->index, field_region);
1716 gdk_region_destroy (field_region);
1721 ev_view_form_field_text_changed (GtkWidget *widget,
1724 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1727 if (GTK_IS_ENTRY (widget)) {
1728 text = g_strdup (gtk_entry_get_text (GTK_ENTRY (widget)));
1729 } else if (GTK_IS_TEXT_BUFFER (widget)) {
1730 GtkTextIter start, end;
1732 gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (widget), &start, &end);
1733 text = gtk_text_buffer_get_text (GTK_TEXT_BUFFER (widget),
1734 &start, &end, FALSE);
1737 if (!field_text->text ||
1738 (field_text->text && g_ascii_strcasecmp (field_text->text, text) != 0)) {
1739 g_free (field_text->text);
1740 field_text->text = text;
1741 field->changed = TRUE;
1746 ev_view_form_field_text_create_widget (EvView *view,
1749 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1750 GtkWidget *text = NULL;
1753 txt = ev_document_forms_form_field_text_get_text (EV_DOCUMENT_FORMS (view->document),
1756 switch (field_text->type) {
1757 case EV_FORM_FIELD_TEXT_FILE_SELECT:
1759 case EV_FORM_FIELD_TEXT_NORMAL:
1760 text = gtk_entry_new ();
1761 gtk_entry_set_has_frame (GTK_ENTRY (text), FALSE);
1762 gtk_entry_set_max_length (GTK_ENTRY (text), field_text->max_len);
1763 gtk_entry_set_visibility (GTK_ENTRY (text), !field_text->is_password);
1766 gtk_entry_set_text (GTK_ENTRY (text), txt);
1770 g_signal_connect (G_OBJECT (text), "changed",
1771 G_CALLBACK (ev_view_form_field_text_changed),
1773 g_signal_connect_after (G_OBJECT (text), "activate",
1774 G_CALLBACK (ev_view_form_field_destroy),
1777 case EV_FORM_FIELD_TEXT_MULTILINE: {
1778 GtkTextBuffer *buffer;
1780 text = gtk_text_view_new ();
1781 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text));
1784 gtk_text_buffer_set_text (buffer, txt, -1);
1788 g_signal_connect (G_OBJECT (buffer), "changed",
1789 G_CALLBACK (ev_view_form_field_text_changed),
1795 g_object_weak_ref (G_OBJECT (text),
1796 (GWeakNotify)ev_view_form_field_text_save,
1803 ev_view_form_field_choice_save (EvView *view,
1808 if (!view->document)
1811 field = g_object_get_data (G_OBJECT (widget), "form-field");
1813 if (field->changed) {
1815 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
1816 GdkRegion *field_region;
1818 field_region = ev_view_form_field_get_region (view, field);
1820 if (field_choice->is_editable) {
1821 ev_document_forms_form_field_choice_set_text (EV_DOCUMENT_FORMS (view->document),
1822 field, field_choice->text);
1824 ev_document_forms_form_field_choice_unselect_all (EV_DOCUMENT_FORMS (view->document), field);
1825 for (l = field_choice->selected_items; l; l = g_list_next (l)) {
1826 ev_document_forms_form_field_choice_select_item (EV_DOCUMENT_FORMS (view->document),
1828 GPOINTER_TO_INT (l->data));
1831 field->changed = FALSE;
1832 ev_view_reload_page (view, field->page->index, field_region);
1833 gdk_region_destroy (field_region);
1838 ev_view_form_field_choice_changed (GtkWidget *widget,
1841 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
1843 if (GTK_IS_COMBO_BOX (widget)) {
1846 item = gtk_combo_box_get_active (GTK_COMBO_BOX (widget));
1847 if (!field_choice->selected_items ||
1848 GPOINTER_TO_INT (field_choice->selected_items->data) != item) {
1849 g_list_free (field_choice->selected_items);
1850 field_choice->selected_items = NULL;
1851 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1852 GINT_TO_POINTER (item));
1853 field->changed = TRUE;
1856 if (GTK_IS_COMBO_BOX_ENTRY (widget)) {
1859 text = gtk_combo_box_get_active_text (GTK_COMBO_BOX (widget));
1860 if (!field_choice->text ||
1861 (field_choice->text && g_ascii_strcasecmp (field_choice->text, text) != 0)) {
1862 g_free (field_choice->text);
1863 field_choice->text = text;
1864 field->changed = TRUE;
1867 } else if (GTK_IS_TREE_SELECTION (widget)) {
1868 GtkTreeSelection *selection = GTK_TREE_SELECTION (widget);
1869 GtkTreeModel *model;
1872 items = gtk_tree_selection_get_selected_rows (selection, &model);
1873 g_list_free (field_choice->selected_items);
1874 field_choice->selected_items = NULL;
1876 for (l = items; l && l->data; l = g_list_next (l)) {
1878 GtkTreePath *path = (GtkTreePath *)l->data;
1881 gtk_tree_model_get_iter (model, &iter, path);
1882 gtk_tree_model_get (model, &iter, 1, &item, -1);
1884 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1885 GINT_TO_POINTER (item));
1887 gtk_tree_path_free (path);
1890 g_list_free (items);
1892 field->changed = TRUE;
1897 ev_view_form_field_choice_create_widget (EvView *view,
1900 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
1902 GtkTreeModel *model;
1904 gint selected_item = 0;
1906 n_items = ev_document_forms_form_field_choice_get_n_items (EV_DOCUMENT_FORMS (view->document),
1908 model = GTK_TREE_MODEL (gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT));
1909 for (i = 0; i < n_items; i++) {
1913 item = ev_document_forms_form_field_choice_get_item (EV_DOCUMENT_FORMS (view->document),
1915 if (ev_document_forms_form_field_choice_is_item_selected (
1916 EV_DOCUMENT_FORMS (view->document), field, i)) {
1918 /* FIXME: we need a get_selected_items function in poppler */
1919 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1920 GINT_TO_POINTER (i));
1924 gtk_list_store_append (GTK_LIST_STORE (model), &iter);
1925 gtk_list_store_set (GTK_LIST_STORE (model), &iter,
1933 if (field_choice->type == EV_FORM_FIELD_CHOICE_LIST) {
1934 GtkCellRenderer *renderer;
1935 GtkWidget *tree_view;
1936 GtkTreeSelection *selection;
1938 tree_view = gtk_tree_view_new_with_model (model);
1939 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);
1941 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
1942 if (field_choice->multi_select) {
1943 gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
1946 /* TODO: set selected items */
1948 renderer = gtk_cell_renderer_text_new ();
1949 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
1955 choice = gtk_scrolled_window_new (NULL, NULL);
1956 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (choice),
1957 GTK_POLICY_AUTOMATIC,
1958 GTK_POLICY_AUTOMATIC);
1959 gtk_container_add (GTK_CONTAINER (choice), tree_view);
1960 gtk_widget_show (tree_view);
1962 g_signal_connect (G_OBJECT (selection), "changed",
1963 G_CALLBACK (ev_view_form_field_choice_changed),
1965 g_signal_connect_after (G_OBJECT (selection), "changed",
1966 G_CALLBACK (ev_view_form_field_destroy),
1968 } else if (field_choice->is_editable) { /* ComboBoxEntry */
1971 choice = gtk_combo_box_entry_new_with_model (model, 0);
1972 text = ev_document_forms_form_field_choice_get_text (EV_DOCUMENT_FORMS (view->document), field);
1974 gtk_entry_set_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (choice))), text);
1978 g_signal_connect (G_OBJECT (choice), "changed",
1979 G_CALLBACK (ev_view_form_field_choice_changed),
1981 g_signal_connect_after (G_OBJECT (GTK_BIN (choice)->child), "activate",
1982 G_CALLBACK (ev_view_form_field_destroy),
1984 } else { /* ComboBoxText */
1985 GtkCellRenderer *renderer;
1987 choice = gtk_combo_box_new_with_model (model);
1988 renderer = gtk_cell_renderer_text_new ();
1989 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (choice),
1991 gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (choice),
1995 gtk_combo_box_set_active (GTK_COMBO_BOX (choice), selected_item);
1996 gtk_combo_box_popup (GTK_COMBO_BOX (choice));
1998 g_signal_connect (G_OBJECT (choice), "changed",
1999 G_CALLBACK (ev_view_form_field_choice_changed),
2001 g_signal_connect_after (G_OBJECT (choice), "changed",
2002 G_CALLBACK (ev_view_form_field_destroy),
2006 g_object_unref (model);
2008 g_object_weak_ref (G_OBJECT (choice),
2009 (GWeakNotify)ev_view_form_field_choice_save,
2016 ev_view_handle_form_field (EvView *view,
2021 GtkWidget *field_widget = NULL;
2022 GList *form_field_mapping;
2023 EvRectangle field_area;
2024 GdkRectangle view_area;
2026 if (field->is_read_only)
2029 if (EV_IS_FORM_FIELD_BUTTON (field)) {
2030 field_widget = ev_view_form_field_button_create_widget (view, field);
2031 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
2032 field_widget = ev_view_form_field_text_create_widget (view, field);
2033 } else if (EV_IS_FORM_FIELD_CHOICE (field)) {
2034 field_widget = ev_view_form_field_choice_create_widget (view, field);
2035 } else if (EV_IS_FORM_FIELD_SIGNATURE (field)) {
2039 /* Form field doesn't require a widget */
2043 g_object_set_data_full (G_OBJECT (field_widget), "form-field",
2044 g_object_ref (field),
2045 (GDestroyNotify)g_object_unref);
2047 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, field->page->index);
2048 ev_form_field_mapping_get_area (form_field_mapping, field, &field_area);
2050 doc_rect_to_view_rect (view, field->page->index, &field_area, &view_area);
2051 view_area.x -= view->scroll_x;
2052 view_area.y -= view->scroll_y;
2054 gtk_layout_put (GTK_LAYOUT (view), field_widget, view_area.x, view_area.y);
2055 gtk_widget_show (field_widget);
2056 gtk_widget_grab_focus (field_widget);
2059 /*** GtkWidget implementation ***/
2062 ev_view_size_request_continuous_dual_page (EvView *view,
2063 GtkRequisition *requisition)
2069 ev_page_cache_get_max_width (view->page_cache, view->rotation,
2070 view->scale, &max_width);
2071 compute_border (view, max_width, max_width, &border);
2073 n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1;
2075 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
2076 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
2078 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2079 requisition->width = 1;
2080 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2081 requisition->width = 1;
2082 /* FIXME: This could actually be set on one page docs or docs
2083 * with a strange aspect ratio. */
2084 /* requisition->height = 1;*/
2089 ev_view_size_request_continuous (EvView *view,
2090 GtkRequisition *requisition)
2097 ev_page_cache_get_max_width (view->page_cache, view->rotation,
2098 view->scale, &max_width);
2099 n_pages = ev_page_cache_get_n_pages (view->page_cache);
2100 compute_border (view, max_width, max_width, &border);
2102 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
2103 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
2105 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2106 requisition->width = 1;
2107 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2108 requisition->width = 1;
2109 /* FIXME: This could actually be set on one page docs or docs
2110 * with a strange aspect ratio. */
2111 /* requisition->height = 1;*/
2116 ev_view_size_request_dual_page (EvView *view,
2117 GtkRequisition *requisition)
2122 /* Find the largest of the two. */
2123 ev_page_cache_get_size (view->page_cache,
2128 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) {
2129 gint width_2, height_2;
2130 ev_page_cache_get_size (view->page_cache,
2131 view->current_page + 1,
2134 &width_2, &height_2);
2135 if (width_2 > width) {
2140 compute_border (view, width, height, &border);
2142 requisition->width = ((width + border.left + border.right) * 2) +
2143 (view->spacing * 3);
2144 requisition->height = (height + border.top + border.bottom) +
2145 (view->spacing * 2);
2147 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2148 requisition->width = 1;
2149 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2150 requisition->width = 1;
2151 requisition->height = 1;
2156 ev_view_size_request_single_page (EvView *view,
2157 GtkRequisition *requisition)
2162 ev_page_cache_get_size (view->page_cache,
2167 compute_border (view, width, height, &border);
2169 requisition->width = width + border.left + border.right + (2 * view->spacing);
2170 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2172 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2173 requisition->width = 1;
2174 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2175 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2176 requisition->width = 1;
2177 requisition->height = 1;
2182 ev_view_size_request (GtkWidget *widget,
2183 GtkRequisition *requisition)
2185 EvView *view = EV_VIEW (widget);
2187 if (view->document == NULL) {
2188 requisition->width = 1;
2189 requisition->height = 1;
2193 if (view->presentation) {
2194 requisition->width = 1;
2195 requisition->height = 1;
2199 if (view->continuous && view->dual_page)
2200 ev_view_size_request_continuous_dual_page (view, requisition);
2201 else if (view->continuous)
2202 ev_view_size_request_continuous (view, requisition);
2203 else if (view->dual_page)
2204 ev_view_size_request_dual_page (view, requisition);
2206 ev_view_size_request_single_page (view, requisition);
2210 ev_view_size_allocate (GtkWidget *widget,
2211 GtkAllocation *allocation)
2213 EvView *view = EV_VIEW (widget);
2214 GList *children, *l;
2216 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
2218 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2219 view->sizing_mode == EV_SIZING_BEST_FIT) {
2221 g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0);
2223 ev_view_size_request (widget, &widget->requisition);
2226 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
2227 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
2230 view_update_range_and_current_page (view);
2232 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2233 view->pending_resize = FALSE;
2235 children = gtk_container_get_children (GTK_CONTAINER (widget));
2236 for (l = children; l && l->data; l = g_list_next (l)) {
2238 EvRectangle field_area;
2239 GdkRectangle view_area;
2240 GList *form_field_mapping;
2241 GtkAllocation child_allocation;
2242 GtkRequisition child_requisition;
2243 GtkWidget *child = (GtkWidget *)l->data;
2245 field = g_object_get_data (G_OBJECT (child), "form-field");
2249 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
2250 field->page->index);
2251 ev_form_field_mapping_get_area (form_field_mapping, field, &field_area);
2253 doc_rect_to_view_rect (view, field->page->index, &field_area, &view_area);
2254 view_area.x -= view->scroll_x;
2255 view_area.y -= view->scroll_y;
2257 gtk_widget_size_request (child, &child_requisition);
2258 if (child_requisition.width != view_area.width ||
2259 child_requisition.height != view_area.height)
2260 gtk_widget_set_size_request (child, view_area.width, view_area.height);
2262 gtk_container_child_get (GTK_CONTAINER (widget),
2264 "x", &child_allocation.x,
2265 "y", &child_allocation.y,
2267 if (child_allocation.x != view_area.x ||
2268 child_allocation.y != view_area.y) {
2269 gtk_layout_move (GTK_LAYOUT (widget), child, view_area.x, view_area.y);
2272 g_list_free (children);
2276 ev_view_realize (GtkWidget *widget)
2278 EvView *view = EV_VIEW (widget);
2280 if (GTK_WIDGET_CLASS (ev_view_parent_class)->realize)
2281 (* GTK_WIDGET_CLASS (ev_view_parent_class)->realize) (widget);
2283 gdk_window_set_events (view->layout.bin_window,
2284 (gdk_window_get_events (view->layout.bin_window) |
2286 GDK_BUTTON_PRESS_MASK |
2287 GDK_BUTTON_RELEASE_MASK |
2289 GDK_KEY_PRESS_MASK |
2290 GDK_POINTER_MOTION_MASK |
2291 GDK_POINTER_MOTION_HINT_MASK |
2292 GDK_ENTER_NOTIFY_MASK |
2293 GDK_LEAVE_NOTIFY_MASK));
2295 if (view->presentation)
2296 gdk_window_set_background (view->layout.bin_window, &widget->style->black);
2298 gdk_window_set_background (view->layout.bin_window, &widget->style->mid [GTK_STATE_NORMAL]);
2302 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
2304 EvView *view = EV_VIEW (widget);
2307 state = event->state & gtk_accelerator_get_default_mod_mask ();
2309 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
2310 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
2312 if (event->direction == GDK_SCROLL_UP ||
2313 event->direction == GDK_SCROLL_LEFT) {
2314 if (ev_view_can_zoom_in (view)) {
2315 ev_view_zoom_in (view);
2318 if (ev_view_can_zoom_out (view)) {
2319 ev_view_zoom_out (view);
2326 view->jump_to_find_result = FALSE;
2328 /* Shift+Wheel scrolls the in the perpendicular direction */
2329 if (state & GDK_SHIFT_MASK) {
2330 if (event->direction == GDK_SCROLL_UP)
2331 event->direction = GDK_SCROLL_LEFT;
2332 else if (event->direction == GDK_SCROLL_LEFT)
2333 event->direction = GDK_SCROLL_UP;
2334 else if (event->direction == GDK_SCROLL_DOWN)
2335 event->direction = GDK_SCROLL_RIGHT;
2336 else if (event->direction == GDK_SCROLL_RIGHT)
2337 event->direction = GDK_SCROLL_DOWN;
2339 event->state &= ~GDK_SHIFT_MASK;
2340 state &= ~GDK_SHIFT_MASK;
2343 if (state == 0 && view->presentation) {
2344 switch (event->direction) {
2345 case GDK_SCROLL_DOWN:
2346 case GDK_SCROLL_RIGHT:
2347 ev_view_next_page (view);
2350 case GDK_SCROLL_LEFT:
2351 ev_view_previous_page (view);
2361 static EvViewSelection *
2362 find_selection_for_page (EvView *view,
2367 for (list = view->selection_info.selections; list != NULL; list = list->next) {
2368 EvViewSelection *selection;
2370 selection = (EvViewSelection *) list->data;
2372 if (selection->page == page)
2380 draw_end_presentation_page (EvView *view,
2381 GdkRectangle *page_area)
2383 PangoLayout *layout;
2384 PangoFontDescription *font_desc;
2386 const gchar *text = _("End of presentation. Press Escape to exit.");
2388 if (view->presentation_state != EV_PRESENTATION_END)
2391 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), NULL);
2392 markup = g_strdup_printf ("<span foreground=\"white\">%s</span>", text);
2393 pango_layout_set_markup (layout, markup, -1);
2396 font_desc = pango_font_description_new ();
2397 pango_font_description_set_size (font_desc, 16 * PANGO_SCALE);
2398 pango_layout_set_font_description (layout, font_desc);
2400 gtk_paint_layout (GTK_WIDGET (view)->style,
2401 view->layout.bin_window,
2402 GTK_WIDGET_STATE (view),
2411 pango_font_description_free (font_desc);
2412 g_object_unref (layout);
2416 ev_view_expose_event (GtkWidget *widget,
2417 GdkEventExpose *event)
2419 EvView *view = EV_VIEW (widget);
2423 if (view->animation && ev_transition_animation_ready (view->animation)) {
2424 GdkRectangle page_area;
2427 if (get_page_extents (view, view->current_page, &page_area, &border)) {
2428 cr = gdk_cairo_create (view->layout.bin_window);
2430 /* normalize to x=0, y=0 */
2431 cairo_translate (cr, page_area.x, page_area.y);
2432 page_area.x = page_area.y = 0;
2434 ev_transition_animation_paint (view->animation, cr, page_area);
2441 if (view->presentation) {
2442 switch (view->presentation_state) {
2443 case EV_PRESENTATION_END: {
2444 GdkRectangle area = {0};
2446 area.width = widget->allocation.width;
2447 area.height = widget->allocation.height;
2449 draw_end_presentation_page (view, &area);
2452 case EV_PRESENTATION_BLACK:
2453 case EV_PRESENTATION_WHITE:
2455 case EV_PRESENTATION_NORMAL:
2459 } else if (view->loading) {
2460 GdkRectangle area = {0};
2462 area.width = widget->allocation.width;
2463 area.height = widget->allocation.height;
2465 draw_loading_text (view,
2470 if (view->document == NULL)
2473 cr = gdk_cairo_create (view->layout.bin_window);
2475 for (i = view->start_page; i <= view->end_page; i++) {
2476 GdkRectangle page_area;
2478 gboolean page_ready = TRUE;
2480 if (!get_page_extents (view, i, &page_area, &border))
2483 page_area.x -= view->scroll_x;
2484 page_area.y -= view->scroll_y;
2486 draw_one_page (view, i, cr, &page_area, &border, &(event->area), &page_ready);
2488 if (page_ready && view->find_pages && view->highlight_find_results)
2489 highlight_find_results (view, i);
2494 if (GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event)
2495 (* GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) (widget, event);
2501 ev_view_do_popup_menu (EvView *view,
2508 image = ev_view_get_image_at_location (view, x, y);
2510 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, image);
2514 link = ev_view_get_link_at_location (view, x, y);
2516 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
2520 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, NULL);
2526 ev_view_popup_menu (GtkWidget *widget)
2530 gtk_widget_get_pointer (widget, &x, &y);
2531 return ev_view_do_popup_menu (EV_VIEW (widget), x, y);
2535 get_link_area (EvView *view,
2541 EvRectangle ev_rect;
2542 GList *link_mapping;
2544 gint x_offset = 0, y_offset = 0;
2546 x += view->scroll_x;
2547 y += view->scroll_y;
2549 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
2551 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
2552 ev_link_mapping_get_area (link_mapping, link, &ev_rect);
2554 doc_rect_to_view_rect (view, page, &ev_rect, area);
2555 area->y -= view->scroll_y ;
2559 ev_view_query_tooltip (GtkWidget *widget,
2562 gboolean keyboard_tip,
2563 GtkTooltip *tooltip)
2565 EvView *view = EV_VIEW (widget);
2569 link = ev_view_get_link_at_location (view, x, y);
2573 text = tip_from_link (view, link);
2574 if (text && g_utf8_validate (text, -1, NULL)) {
2575 GdkRectangle link_area;
2577 get_link_area (view, x, y, link, &link_area);
2578 gtk_tooltip_set_text (tooltip, text);
2579 gtk_tooltip_set_tip_area (tooltip, &link_area);
2587 start_selection_for_event (EvView *view,
2588 GdkEventButton *event)
2590 EvSelectionStyle style;
2592 clear_selection (view);
2594 view->selection_info.start.x = event->x + view->scroll_x;
2595 view->selection_info.start.y = event->y + view->scroll_y;
2597 switch (event->type) {
2598 case GDK_2BUTTON_PRESS:
2599 style = EV_SELECTION_STYLE_WORD;
2601 case GDK_3BUTTON_PRESS:
2602 style = EV_SELECTION_STYLE_LINE;
2605 style = EV_SELECTION_STYLE_GLYPH;
2609 view->selection_info.style = style;
2613 ev_view_button_press_event (GtkWidget *widget,
2614 GdkEventButton *event)
2616 EvView *view = EV_VIEW (widget);
2618 if (!view->document)
2621 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
2622 gtk_widget_grab_focus (widget);
2625 view->pressed_button = event->button;
2626 view->selection_info.in_drag = FALSE;
2628 if (view->scroll_info.autoscrolling)
2631 switch (event->button) {
2636 if (EV_IS_SELECTION (view->document) && view->selection_info.selections) {
2637 if (event->type == GDK_3BUTTON_PRESS) {
2638 start_selection_for_event (view, event);
2639 } else if (location_in_selected_text (view,
2640 event->x + view->scroll_x,
2641 event->y + view->scroll_y)) {
2642 view->selection_info.in_drag = TRUE;
2644 start_selection_for_event (view, event);
2647 gtk_widget_queue_draw (widget);
2648 } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) {
2649 ev_view_remove_all (view);
2650 ev_view_handle_form_field (view, field, event->x, event->y);
2651 } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) &&
2652 (image = ev_view_get_image_at_location (view, event->x, event->y))) {
2653 if (view->image_dnd_info.image)
2654 g_object_unref (view->image_dnd_info.image);
2655 view->image_dnd_info.image = g_object_ref (image);
2656 view->image_dnd_info.in_drag = TRUE;
2658 view->image_dnd_info.start.x = event->x + view->scroll_x;
2659 view->image_dnd_info.start.y = event->y + view->scroll_y;
2661 ev_view_remove_all (view);
2663 if (EV_IS_SELECTION (view->document))
2664 start_selection_for_event (view, event);
2669 /* use root coordinates as reference point because
2670 * scrolling changes window relative coordinates */
2671 view->drag_info.start.x = event->x_root;
2672 view->drag_info.start.y = event->y_root;
2673 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
2674 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
2676 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
2680 view->scroll_info.start_y = event->y;
2681 return ev_view_do_popup_menu (view, event->x, event->y);
2688 ev_view_remove_all (EvView *view)
2690 GList *children, *child;
2692 children = gtk_container_get_children (GTK_CONTAINER (view));
2693 for (child = children; child && child->data; child = g_list_next (child)) {
2694 gtk_container_remove (GTK_CONTAINER (view),
2695 GTK_WIDGET (child->data));
2697 g_list_free (children);
2700 /*** Drag and Drop ***/
2702 ev_view_drag_data_get (GtkWidget *widget,
2703 GdkDragContext *context,
2704 GtkSelectionData *selection_data,
2708 EvView *view = EV_VIEW (widget);
2711 case TARGET_DND_TEXT:
2712 if (EV_IS_SELECTION (view->document) &&
2713 view->selection_info.selections) {
2716 text = get_selected_text (view);
2717 gtk_selection_data_set_text (selection_data,
2723 case TARGET_DND_IMAGE:
2724 if (view->image_dnd_info.image) {
2727 ev_document_doc_mutex_lock ();
2728 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
2729 view->image_dnd_info.image);
2730 ev_document_doc_mutex_unlock ();
2732 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
2733 g_object_unref (pixbuf);
2736 case TARGET_DND_URI:
2737 if (view->image_dnd_info.image) {
2739 const gchar *tmp_uri;
2742 ev_document_doc_mutex_lock ();
2743 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
2744 view->image_dnd_info.image);
2745 ev_document_doc_mutex_unlock ();
2747 tmp_uri = ev_image_save_tmp (view->image_dnd_info.image, pixbuf);
2748 g_object_unref (pixbuf);
2750 uris[0] = (gchar *)tmp_uri;
2752 gtk_selection_data_set_uris (selection_data, uris);
2758 ev_view_drag_motion (GtkWidget *widget,
2759 GdkDragContext *context,
2764 if (gtk_drag_get_source_widget (context) == widget)
2765 gdk_drag_status (context, 0, time);
2767 gdk_drag_status (context, context->suggested_action, time);
2773 selection_update_idle_cb (EvView *view)
2775 compute_selections (view,
2776 view->selection_info.style,
2777 &view->selection_info.start,
2779 view->selection_update_id = 0;
2784 selection_scroll_timeout_cb (EvView *view)
2786 gint x, y, shift = 0;
2787 GtkWidget *widget = GTK_WIDGET (view);
2789 gtk_widget_get_pointer (widget, &x, &y);
2791 if (y > widget->allocation.height) {
2792 shift = (y - widget->allocation.height) / 2;
2798 gtk_adjustment_set_value (view->vadjustment,
2799 CLAMP (view->vadjustment->value + shift,
2800 view->vadjustment->lower,
2801 view->vadjustment->upper -
2802 view->vadjustment->page_size));
2804 if (x > widget->allocation.width) {
2805 shift = (x - widget->allocation.width) / 2;
2811 gtk_adjustment_set_value (view->hadjustment,
2812 CLAMP (view->hadjustment->value + shift,
2813 view->hadjustment->lower,
2814 view->hadjustment->upper -
2815 view->hadjustment->page_size));
2821 ev_view_drag_update_momentum (EvView *view)
2824 if (!view->drag_info.in_drag)
2827 for (i = DRAG_HISTORY - 1; i > 0; i--) {
2828 view->drag_info.buffer[i].x = view->drag_info.buffer[i-1].x;
2829 view->drag_info.buffer[i].y = view->drag_info.buffer[i-1].y;
2832 /* Momentum is a moving average of 10ms granularity over
2833 * the last 100ms with each 10ms stored in buffer.
2836 view->drag_info.momentum.x = (view->drag_info.buffer[DRAG_HISTORY - 1].x - view->drag_info.buffer[0].x);
2837 view->drag_info.momentum.y = (view->drag_info.buffer[DRAG_HISTORY - 1].y - view->drag_info.buffer[0].y);
2843 ev_view_scroll_drag_release (EvView *view)
2845 gdouble dhadj_value, dvadj_value;
2846 gdouble oldhadjustment, oldvadjustment;
2848 view->drag_info.momentum.x /= 1.2;
2849 view->drag_info.momentum.y /= 1.2; /* Alter these constants to change "friction" */
2851 dhadj_value = view->hadjustment->page_size *
2852 (gdouble)view->drag_info.momentum.x / GTK_WIDGET (view)->allocation.width;
2853 dvadj_value = view->vadjustment->page_size *
2854 (gdouble)view->drag_info.momentum.y / GTK_WIDGET (view)->allocation.height;
2856 oldhadjustment = gtk_adjustment_get_value (view->hadjustment);
2857 oldvadjustment = gtk_adjustment_get_value (view->vadjustment);
2859 if (((oldhadjustment + dhadj_value) > (view->hadjustment->upper - view->hadjustment->page_size)) ||
2860 ((oldhadjustment + dhadj_value) < 0))
2861 view->drag_info.momentum.x *= -0.5; /* 0.5 rather than 1 means the edges absorb some momentum */
2862 if (((oldvadjustment + dvadj_value) > (view->vadjustment->upper - view->vadjustment->page_size)) ||
2863 ((oldvadjustment + dvadj_value) < 0))
2864 view->drag_info.momentum.y *= -0.5;
2866 gtk_adjustment_set_value (view->hadjustment,
2867 MIN (oldhadjustment + dhadj_value,
2868 view->hadjustment->upper - view->hadjustment->page_size));
2869 gtk_adjustment_set_value (view->vadjustment,
2870 MIN (oldvadjustment + dvadj_value,
2871 view->vadjustment->upper - view->vadjustment->page_size));
2873 if (((view->drag_info.momentum.x < 1) && (view->drag_info.momentum.x > -1)) &&
2874 ((view->drag_info.momentum.y < 1) && (view->drag_info.momentum.y > -1)))
2881 ev_view_motion_notify_event (GtkWidget *widget,
2882 GdkEventMotion *event)
2884 EvView *view = EV_VIEW (widget);
2887 if (!view->document)
2891 if (event->is_hint || event->window != view->layout.bin_window) {
2892 gtk_widget_get_pointer (widget, &x, &y);
2898 if (view->scroll_info.autoscrolling) {
2899 view->scroll_info.last_y = y;
2903 if (view->selection_info.in_drag) {
2904 if (gtk_drag_check_threshold (widget,
2905 view->selection_info.start.x,
2906 view->selection_info.start.y,
2908 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
2910 gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT);
2912 gtk_drag_begin (widget, target_list,
2914 1, (GdkEvent *)event);
2916 view->selection_info.in_drag = FALSE;
2918 gtk_target_list_unref (target_list);
2922 } else if (view->image_dnd_info.in_drag) {
2923 if (gtk_drag_check_threshold (widget,
2924 view->selection_info.start.x,
2925 view->selection_info.start.y,
2927 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
2929 gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI);
2930 gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE);
2932 gtk_drag_begin (widget, target_list,
2934 1, (GdkEvent *)event);
2936 view->image_dnd_info.in_drag = FALSE;
2938 gtk_target_list_unref (target_list);
2944 switch (view->pressed_button) {
2946 /* For the Evince 0.4.x release, we limit selection to un-rotated
2949 if (view->rotation != 0)
2952 /* Schedule timeout to scroll during selection and additionally
2953 * scroll once to allow arbitrary speed. */
2954 if (!view->selection_scroll_id)
2955 view->selection_scroll_id = g_timeout_add (SCROLL_TIME,
2956 (GSourceFunc)selection_scroll_timeout_cb,
2959 selection_scroll_timeout_cb (view);
2961 view->selection_info.in_selection = TRUE;
2962 view->motion.x = x + view->scroll_x;
2963 view->motion.y = y + view->scroll_y;
2965 /* Queue an idle to handle the motion. We do this because
2966 * handling any selection events in the motion could be slower
2967 * than new motion events reach us. We always put it in the
2968 * idle to make sure we catch up and don't visibly lag the
2970 if (!view->selection_update_id)
2971 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
2975 if (!view->drag_info.in_drag) {
2979 start = gtk_drag_check_threshold (widget,
2980 view->drag_info.start.x,
2981 view->drag_info.start.y,
2984 view->drag_info.in_drag = start;
2985 view->drag_info.drag_timeout_id = g_timeout_add (10,
2986 (GSourceFunc)ev_view_drag_update_momentum, view);
2987 /* Set 100 to choose how long it takes to build up momentum */
2988 /* Clear out previous momentum info: */
2989 for (i = 0; i < DRAG_HISTORY; i++) {
2990 view->drag_info.buffer[i].x = event->x;
2991 view->drag_info.buffer[i].y = event->y;
2993 view->drag_info.momentum.x = 0;
2994 view->drag_info.momentum.y = 0;
2997 if (view->drag_info.in_drag) {
2999 gdouble dhadj_value, dvadj_value;
3001 view->drag_info.buffer[0].x = event->x;
3002 view->drag_info.buffer[0].y = event->y;
3004 dx = event->x_root - view->drag_info.start.x;
3005 dy = event->y_root - view->drag_info.start.y;
3007 dhadj_value = view->hadjustment->page_size *
3008 (gdouble)dx / widget->allocation.width;
3009 dvadj_value = view->vadjustment->page_size *
3010 (gdouble)dy / widget->allocation.height;
3012 /* clamp scrolling to visible area */
3013 gtk_adjustment_set_value (view->hadjustment,
3014 MIN(view->drag_info.hadj - dhadj_value,
3015 view->hadjustment->upper -
3016 view->hadjustment->page_size));
3017 gtk_adjustment_set_value (view->vadjustment,
3018 MIN(view->drag_info.vadj - dvadj_value,
3019 view->vadjustment->upper -
3020 view->vadjustment->page_size));
3027 ev_view_handle_cursor_over_xy (view, x, y);
3034 ev_view_button_release_event (GtkWidget *widget,
3035 GdkEventButton *event)
3037 EvView *view = EV_VIEW (widget);
3038 EvLink *link = NULL;
3040 view->image_dnd_info.in_drag = FALSE;
3042 if (view->scroll_info.autoscrolling) {
3043 ev_view_autoscroll_stop (view);
3044 view->pressed_button = -1;
3049 if (view->drag_info.in_drag) {
3050 view->drag_info.release_timeout_id =
3052 (GSourceFunc)ev_view_scroll_drag_release, view);
3055 if (view->document && !view->drag_info.in_drag && view->pressed_button != 3) {
3056 link = ev_view_get_link_at_location (view, event->x, event->y);
3059 view->drag_info.in_drag = FALSE;
3061 if (view->pressed_button == 2) {
3062 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3065 view->pressed_button = -1;
3067 if (view->selection_scroll_id) {
3068 g_source_remove (view->selection_scroll_id);
3069 view->selection_scroll_id = 0;
3071 if (view->selection_update_id) {
3072 g_source_remove (view->selection_update_id);
3073 view->selection_update_id = 0;
3076 if (!view->selection_info.in_selection &&
3077 view->selection_info.style != EV_SELECTION_STYLE_GLYPH) {
3078 compute_selections (view,
3079 view->selection_info.style,
3080 &(view->selection_info.start),
3081 &(view->selection_info.start));
3084 if (view->selection_info.selections) {
3085 clear_link_selected (view);
3086 ev_view_update_primary_selection (view);
3088 if (view->selection_info.in_drag) {
3089 clear_selection (view);
3090 gtk_widget_queue_draw (widget);
3093 view->selection_info.in_drag = FALSE;
3095 if (event->button == 2) {
3096 EvLinkAction *action;
3097 EvLinkActionType type;
3099 action = ev_link_get_action (link);
3103 type = ev_link_action_get_action_type (action);
3104 if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
3105 g_signal_emit (view,
3106 signals[SIGNAL_EXTERNAL_LINK],
3110 ev_view_handle_link (view, link);
3112 } else if (view->presentation) {
3113 switch (event->button) {
3115 ev_view_next_page (view);
3118 ev_view_previous_page (view);
3127 /* Cut and paste from gtkwindow.c */
3129 send_focus_change (GtkWidget *widget,
3132 GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE);
3134 g_object_ref (widget);
3137 GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
3139 GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
3141 fevent->focus_change.type = GDK_FOCUS_CHANGE;
3142 fevent->focus_change.window = g_object_ref (widget->window);
3143 fevent->focus_change.in = in;
3145 gtk_widget_event (widget, fevent);
3147 g_object_notify (G_OBJECT (widget), "has-focus");
3149 g_object_unref (widget);
3150 gdk_event_free (fevent);
3154 ev_view_goto_window_hide (EvView *view)
3156 /* send focus-in event */
3157 send_focus_change (view->goto_entry, FALSE);
3158 gtk_widget_hide (view->goto_window);
3159 gtk_entry_set_text (GTK_ENTRY (view->goto_entry), "");
3163 ev_view_goto_window_delete_event (GtkWidget *widget,
3167 ev_view_goto_window_hide (view);
3173 key_is_numeric (guint keyval)
3175 return ((keyval >= GDK_0 && keyval <= GDK_9) ||
3176 (keyval >= GDK_KP_0 && keyval <= GDK_KP_9));
3180 ev_view_goto_window_key_press_event (GtkWidget *widget,
3184 switch (event->keyval) {
3188 case GDK_ISO_Left_Tab:
3189 ev_view_goto_window_hide (view);
3198 if (!key_is_numeric (event->keyval))
3206 ev_view_goto_window_button_press_event (GtkWidget *widget,
3207 GdkEventButton *event,
3210 ev_view_goto_window_hide (view);
3216 ev_view_goto_entry_activate (GtkEntry *entry,
3222 text = gtk_entry_get_text (entry);
3223 page = atoi (text) - 1;
3225 ev_view_goto_window_hide (view);
3228 page < ev_page_cache_get_n_pages (view->page_cache))
3229 ev_page_cache_set_current_page (view->page_cache, page);
3233 ev_view_goto_window_create (EvView *view)
3235 GtkWidget *frame, *hbox, *toplevel, *label;
3237 toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view));
3239 if (view->goto_window) {
3240 if (GTK_WINDOW (toplevel)->group)
3241 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
3242 GTK_WINDOW (view->goto_window));
3243 else if (GTK_WINDOW (view->goto_window)->group)
3244 gtk_window_group_remove_window (GTK_WINDOW (view->goto_window)->group,
3245 GTK_WINDOW (view->goto_window));
3249 view->goto_window = gtk_window_new (GTK_WINDOW_POPUP);
3251 if (GTK_WINDOW (toplevel)->group)
3252 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
3253 GTK_WINDOW (view->goto_window));
3255 gtk_window_set_modal (GTK_WINDOW (view->goto_window), TRUE);
3257 g_signal_connect (view->goto_window, "delete_event",
3258 G_CALLBACK (ev_view_goto_window_delete_event),
3260 g_signal_connect (view->goto_window, "key_press_event",
3261 G_CALLBACK (ev_view_goto_window_key_press_event),
3263 g_signal_connect (view->goto_window, "button_press_event",
3264 G_CALLBACK (ev_view_goto_window_button_press_event),
3267 frame = gtk_frame_new (NULL);
3268 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
3269 gtk_container_add (GTK_CONTAINER (view->goto_window), frame);
3270 gtk_widget_show (frame);
3272 hbox = gtk_hbox_new (FALSE, 0);
3273 gtk_container_set_border_width (GTK_CONTAINER (hbox), 3);
3274 gtk_container_add (GTK_CONTAINER (frame), hbox);
3275 gtk_widget_show (hbox);
3277 label = gtk_label_new(_("Jump to page:"));
3278 gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 3);
3279 gtk_widget_show (label);
3280 gtk_widget_realize (label);
3282 view->goto_entry = gtk_entry_new ();
3283 g_signal_connect (view->goto_entry, "activate",
3284 G_CALLBACK (ev_view_goto_entry_activate),
3286 gtk_box_pack_start (GTK_BOX (hbox), view->goto_entry, TRUE, TRUE, 0);
3287 gtk_widget_show (view->goto_entry);
3288 gtk_widget_realize (view->goto_entry);
3292 ev_view_goto_entry_grab_focus (EvView *view)
3294 GtkWidgetClass *entry_parent_class;
3296 entry_parent_class = g_type_class_peek_parent (GTK_ENTRY_GET_CLASS (view->goto_entry));
3297 (entry_parent_class->grab_focus) (view->goto_entry);
3299 send_focus_change (view->goto_entry, TRUE);
3303 ev_view_goto_window_send_key_event (EvView *view,
3306 GdkEventKey *new_event;
3309 /* Move goto window off screen */
3310 screen = gtk_widget_get_screen (GTK_WIDGET (view));
3311 gtk_window_move (GTK_WINDOW (view->goto_window),
3312 gdk_screen_get_width (screen) + 1,
3313 gdk_screen_get_height (screen) + 1);
3314 gtk_widget_show (view->goto_window);
3316 new_event = (GdkEventKey *) gdk_event_copy (event);
3317 g_object_unref (new_event->window);
3318 new_event->window = g_object_ref (view->goto_window->window);
3319 gtk_widget_realize (view->goto_window);
3321 gtk_widget_event (view->goto_window, (GdkEvent *)new_event);
3322 gdk_event_free ((GdkEvent *)new_event);
3323 gtk_widget_hide (view->goto_window);
3327 ev_view_key_press_event (GtkWidget *widget,
3330 EvView *view = EV_VIEW (widget);
3331 EvPresentationState current;
3333 if (!view->document)
3336 if (!view->presentation ||
3337 view->presentation_state == EV_PRESENTATION_END)
3338 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3341 current = view->presentation_state;
3343 switch (event->keyval) {
3347 case GDK_KP_Decimal:
3348 view->presentation_state =
3349 (view->presentation_state == EV_PRESENTATION_BLACK) ?
3350 EV_PRESENTATION_NORMAL : EV_PRESENTATION_BLACK;
3354 view->presentation_state =
3355 (view->presentation_state == EV_PRESENTATION_WHITE) ?
3356 EV_PRESENTATION_NORMAL : EV_PRESENTATION_WHITE;
3359 if (view->presentation_state == EV_PRESENTATION_BLACK ||
3360 view->presentation_state == EV_PRESENTATION_WHITE) {
3361 view->presentation_state = EV_PRESENTATION_NORMAL;
3365 if (current == view->presentation_state) {
3366 if (ev_page_cache_get_n_pages (view->page_cache) > 1 &&
3367 key_is_numeric (event->keyval)) {
3370 ev_view_goto_window_create (view);
3371 ev_view_goto_window_send_key_event (view, (GdkEvent *)event);
3372 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
3373 gtk_window_move (GTK_WINDOW (view->goto_window), x, y);
3374 gtk_widget_show (view->goto_window);
3375 ev_view_goto_entry_grab_focus (view);
3380 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3383 switch (view->presentation_state) {
3384 case EV_PRESENTATION_NORMAL:
3385 case EV_PRESENTATION_BLACK:
3386 gdk_window_set_background (view->layout.bin_window,
3387 &widget->style->black);
3389 case EV_PRESENTATION_WHITE:
3390 gdk_window_set_background (view->layout.bin_window,
3391 &widget->style->white);
3394 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3397 gtk_widget_queue_draw (widget);
3402 ev_view_focus_in (GtkWidget *widget,
3403 GdkEventFocus *event)
3405 if (EV_VIEW (widget)->pixbuf_cache)
3406 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3407 gtk_widget_queue_draw (widget);
3413 ev_view_focus_out (GtkWidget *widget,
3414 GdkEventFocus *event)
3416 if (EV_VIEW (widget)->goto_window)
3417 ev_view_goto_window_hide (EV_VIEW (widget));
3419 if (EV_VIEW (widget)->pixbuf_cache)
3420 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3421 gtk_widget_queue_draw (widget);
3427 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3429 EvView *view = EV_VIEW (widget);
3431 if (view->cursor != EV_VIEW_CURSOR_NORMAL)
3432 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
3438 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3440 EvView *view = EV_VIEW (widget);
3442 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3448 ev_view_style_set (GtkWidget *widget,
3449 GtkStyle *old_style)
3451 if (EV_VIEW (widget)->pixbuf_cache)
3452 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3454 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
3460 ev_gdk_color_to_rgb (const GdkColor *color)
3463 result = (0xff0000 | (color->red & 0xff00));
3465 result |= ((color->green & 0xff00) | (color->blue >> 8));
3470 draw_rubberband (GtkWidget *widget, GdkWindow *window,
3471 const GdkRectangle *rect, guchar alpha)
3475 GdkColor *fill_color_gdk;
3478 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
3479 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
3481 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
3482 rect->width, rect->height);
3483 gdk_pixbuf_fill (pixbuf, fill_color);
3485 gdk_draw_pixbuf (window, NULL, pixbuf,
3487 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
3488 rect->width, rect->height,
3489 GDK_RGB_DITHER_NONE,
3492 g_object_unref (pixbuf);
3494 gc = gdk_gc_new (window);
3495 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
3496 gdk_draw_rectangle (window, gc, FALSE,
3497 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
3500 g_object_unref (gc);
3502 gdk_color_free (fill_color_gdk);
3507 highlight_find_results (EvView *view, int page)
3509 gint i, n_results = 0;
3511 n_results = ev_view_find_get_n_results (view, page);
3513 for (i = 0; i < n_results; i++) {
3514 EvRectangle *rectangle;
3515 GdkRectangle view_rectangle;
3518 if (i == view->find_result && page == view->current_page) {
3524 rectangle = ev_view_find_get_result (view, page, i);
3525 doc_rect_to_view_rect (view, page, rectangle, &view_rectangle);
3526 draw_rubberband (GTK_WIDGET (view), view->layout.bin_window,
3527 &view_rectangle, alpha);
3532 draw_loading_text (EvView *view,
3533 GdkRectangle *page_area,
3534 GdkRectangle *expose_area)
3539 if (!view->loading_text) {
3540 const gchar *loading_text = _("Loading...");
3541 PangoLayout *layout;
3542 PangoFontDescription *font_desc;
3543 PangoRectangle logical_rect;
3547 ev_document_fc_mutex_lock ();
3549 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
3551 font_desc = pango_font_description_new ();
3553 /* We set the font to be 10 points, get the size, and scale appropriately */
3554 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
3555 pango_layout_set_font_description (layout, font_desc);
3556 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
3558 target_width = MAX (page_area->width / 2, 1);
3559 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
3560 pango_font_description_set_size (font_desc, (int)real_scale);
3561 pango_layout_set_font_description (layout, font_desc);
3562 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
3564 view->loading_text = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
3566 logical_rect.height);
3567 cr = cairo_create (view->loading_text);
3568 cairo_set_source_rgb (cr,
3572 pango_cairo_show_layout (cr, layout);
3575 pango_font_description_free (font_desc);
3576 g_object_unref (layout);
3578 ev_document_fc_mutex_unlock ();
3581 width = (page_area->width - cairo_image_surface_get_width (view->loading_text)) / 2;
3582 height = (page_area->height - cairo_image_surface_get_height (view->loading_text)) / 2;
3584 cr = gdk_cairo_create (view->layout.bin_window);
3585 cairo_translate (cr,
3586 page_area->x + width,
3587 page_area->y + height);
3588 cairo_set_source_surface (cr, view->loading_text, 0, 0);
3594 draw_one_page (EvView *view,
3597 GdkRectangle *page_area,
3599 GdkRectangle *expose_area,
3600 gboolean *page_ready)
3602 GdkRectangle overlap;
3603 GdkRectangle real_page_area;
3605 g_assert (view->document);
3607 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
3610 /* Render the document itself */
3611 real_page_area = *page_area;
3613 real_page_area.x += border->left;
3614 real_page_area.y += border->top;
3615 real_page_area.width -= (border->left + border->right);
3616 real_page_area.height -= (border->top + border->bottom);
3619 if (!view->presentation) {
3622 current_page = ev_page_cache_get_current_page (view->page_cache);
3623 ev_document_misc_paint_one_page (view->layout.bin_window,
3626 page == current_page);
3629 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
3631 gint page_width, page_height;
3632 cairo_surface_t *page_surface = NULL;
3633 gint selection_width, selection_height;
3634 cairo_surface_t *selection_surface = NULL;
3636 page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page);
3638 if (!page_surface) {
3639 if (!view->presentation) {
3640 draw_loading_text (view,
3645 *page_ready = FALSE;
3650 ev_page_cache_get_size (view->page_cache,
3651 page, view->rotation,
3655 page_width = cairo_image_surface_get_width (page_surface);
3656 page_height = cairo_image_surface_get_height (page_surface);
3659 cairo_translate (cr, overlap.x, overlap.y);
3661 if (width != page_width || height != page_height) {
3662 cairo_pattern_set_filter (cairo_get_source (cr),
3665 (gdouble)width / page_width,
3666 (gdouble)height / page_height);
3669 cairo_surface_set_device_offset (page_surface,
3670 overlap.x - real_page_area.x,
3671 overlap.y - real_page_area.y);
3672 cairo_set_source_surface (cr, page_surface, 0, 0);
3676 /* Get the selection pixbuf iff we have something to draw */
3677 if (find_selection_for_page (view, page) &&
3678 view->selection_mode == EV_VIEW_SELECTION_TEXT) {
3680 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
3686 if (!selection_surface) {
3690 selection_width = cairo_image_surface_get_width (selection_surface);
3691 selection_height = cairo_image_surface_get_height (selection_surface);
3694 cairo_translate (cr, overlap.x, overlap.y);
3696 if (width != selection_width || height != selection_height) {
3697 cairo_pattern_set_filter (cairo_get_source (cr),
3700 (gdouble)width / selection_width,
3701 (gdouble)height / selection_height);
3704 cairo_surface_set_device_offset (selection_surface,
3705 overlap.x - real_page_area.x,
3706 overlap.y - real_page_area.y);
3707 cairo_set_source_surface (cr, selection_surface, 0, 0);
3713 /*** GObject functions ***/
3716 ev_view_finalize (GObject *object)
3718 EvView *view = EV_VIEW (object);
3720 clear_selection (view);
3721 clear_link_selected (view);
3723 if (view->image_dnd_info.image)
3724 g_object_unref (view->image_dnd_info.image);
3725 view->image_dnd_info.image = NULL;
3727 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
3731 ev_view_destroy (GtkObject *object)
3733 EvView *view = EV_VIEW (object);
3735 if (view->document) {
3736 g_object_unref (view->document);
3737 view->document = NULL;
3740 if (view->pixbuf_cache) {
3741 g_object_unref (view->pixbuf_cache);
3742 view->pixbuf_cache = NULL;
3745 if (view->goto_window) {
3746 gtk_widget_destroy (view->goto_window);
3747 view->goto_window = NULL;
3748 view->goto_entry = NULL;
3751 if (view->selection_scroll_id) {
3752 g_source_remove (view->selection_scroll_id);
3753 view->selection_scroll_id = 0;
3756 if (view->selection_update_id) {
3757 g_source_remove (view->selection_update_id);
3758 view->selection_update_id = 0;
3761 if (view->loading_text) {
3762 cairo_surface_destroy (view->loading_text);
3763 view->loading_text = NULL;
3766 if (view->scroll_info.timeout_id) {
3767 g_source_remove (view->scroll_info.timeout_id);
3768 view->scroll_info.timeout_id = 0;
3771 if (view->drag_info.drag_timeout_id) {
3772 g_source_remove (view->drag_info.drag_timeout_id);
3773 view->drag_info.drag_timeout_id = 0;
3776 if (view->drag_info.release_timeout_id) {
3777 g_source_remove (view->drag_info.release_timeout_id);
3778 view->drag_info.release_timeout_id = 0;
3781 ev_view_presentation_transition_stop (view);
3783 ev_view_set_scroll_adjustments (GTK_LAYOUT (view), NULL, NULL);
3785 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
3789 ev_view_set_property (GObject *object,
3791 const GValue *value,
3794 EvView *view = EV_VIEW (object);
3797 case PROP_CONTINUOUS:
3798 ev_view_set_continuous (view, g_value_get_boolean (value));
3800 case PROP_DUAL_PAGE:
3801 ev_view_set_dual_page (view, g_value_get_boolean (value));
3803 case PROP_FULLSCREEN:
3804 ev_view_set_fullscreen (view, g_value_get_boolean (value));
3806 case PROP_PRESENTATION:
3807 ev_view_set_presentation (view, g_value_get_boolean (value));
3809 case PROP_SIZING_MODE:
3810 ev_view_set_sizing_mode (view, g_value_get_enum (value));
3813 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
3816 ev_view_set_rotation (view, g_value_get_int (value));
3819 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
3824 ev_view_get_accessible (GtkWidget *widget)
3826 static gboolean first_time = TRUE;
3829 AtkObjectFactory *factory;
3830 AtkRegistry *registry;
3832 GType derived_atk_type;
3835 * Figure out whether accessibility is enabled by looking at the
3836 * type of the accessible object which would be created for
3837 * the parent type of EvView.
3839 derived_type = g_type_parent (EV_TYPE_VIEW);
3841 registry = atk_get_default_registry ();
3842 factory = atk_registry_get_factory (registry,
3844 derived_atk_type = atk_object_factory_get_accessible_type (factory);
3845 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
3846 atk_registry_set_factory_type (registry,
3848 ev_view_accessible_factory_get_type ());
3851 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
3855 ev_view_get_property (GObject *object,
3860 EvView *view = EV_VIEW (object);
3863 case PROP_CONTINUOUS:
3864 g_value_set_boolean (value, view->continuous);
3866 case PROP_DUAL_PAGE:
3867 g_value_set_boolean (value, view->dual_page);
3869 case PROP_FULLSCREEN:
3870 g_value_set_boolean (value, view->fullscreen);
3872 case PROP_PRESENTATION:
3873 g_value_set_boolean (value, view->presentation);
3875 case PROP_SIZING_MODE:
3876 g_value_set_enum (value, view->sizing_mode);
3879 g_value_set_double (value, view->scale);
3882 g_value_set_int (value, view->rotation);
3884 case PROP_HAS_SELECTION:
3885 g_value_set_boolean (value,
3886 view->selection_info.selections != NULL);
3889 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
3894 ev_view_class_init (EvViewClass *class)
3896 GObjectClass *object_class = G_OBJECT_CLASS (class);
3897 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
3898 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
3899 GtkLayoutClass *layout_class = GTK_LAYOUT_CLASS (class);
3900 GtkBindingSet *binding_set;
3902 object_class->finalize = ev_view_finalize;
3903 object_class->set_property = ev_view_set_property;
3904 object_class->get_property = ev_view_get_property;
3906 widget_class->expose_event = ev_view_expose_event;
3907 widget_class->button_press_event = ev_view_button_press_event;
3908 widget_class->motion_notify_event = ev_view_motion_notify_event;
3909 widget_class->button_release_event = ev_view_button_release_event;
3910 widget_class->key_press_event = ev_view_key_press_event;
3911 widget_class->focus_in_event = ev_view_focus_in;
3912 widget_class->focus_out_event = ev_view_focus_out;
3913 widget_class->get_accessible = ev_view_get_accessible;
3914 widget_class->size_request = ev_view_size_request;
3915 widget_class->size_allocate = ev_view_size_allocate;
3916 widget_class->realize = ev_view_realize;
3917 widget_class->scroll_event = ev_view_scroll_event;
3918 widget_class->enter_notify_event = ev_view_enter_notify_event;
3919 widget_class->leave_notify_event = ev_view_leave_notify_event;
3920 widget_class->style_set = ev_view_style_set;
3921 widget_class->drag_data_get = ev_view_drag_data_get;
3922 widget_class->drag_motion = ev_view_drag_motion;
3923 widget_class->popup_menu = ev_view_popup_menu;
3924 widget_class->query_tooltip = ev_view_query_tooltip;
3926 gtk_object_class->destroy = ev_view_destroy;
3928 layout_class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
3930 class->binding_activated = ev_view_scroll;
3932 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
3933 G_TYPE_FROM_CLASS (object_class),
3934 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3935 G_STRUCT_OFFSET (EvViewClass, binding_activated),
3937 ev_view_marshal_VOID__ENUM_BOOLEAN,
3939 GTK_TYPE_SCROLL_TYPE,
3942 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
3943 G_TYPE_FROM_CLASS (object_class),
3944 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3945 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
3947 g_cclosure_marshal_VOID__VOID,
3948 G_TYPE_NONE, 0, G_TYPE_NONE);
3949 signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link",
3950 G_TYPE_FROM_CLASS (object_class),
3951 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3952 G_STRUCT_OFFSET (EvViewClass, handle_link),
3954 g_cclosure_marshal_VOID__OBJECT,
3957 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
3958 G_TYPE_FROM_CLASS (object_class),
3959 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3960 G_STRUCT_OFFSET (EvViewClass, external_link),
3962 g_cclosure_marshal_VOID__OBJECT,
3965 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
3966 G_TYPE_FROM_CLASS (object_class),
3967 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3968 G_STRUCT_OFFSET (EvViewClass, popup_menu),
3970 g_cclosure_marshal_VOID__OBJECT,
3975 g_object_class_install_property (object_class,
3977 g_param_spec_boolean ("continuous",
3979 "Continuous scrolling mode",
3981 G_PARAM_READWRITE));
3983 g_object_class_install_property (object_class,
3985 g_param_spec_boolean ("dual-page",
3987 "Two pages visible at once",
3989 G_PARAM_READWRITE));
3990 g_object_class_install_property (object_class,
3992 g_param_spec_boolean ("fullscreen",
3994 "Draw page in a fullscreen fashion",
3996 G_PARAM_READWRITE));
3997 g_object_class_install_property (object_class,
3999 g_param_spec_boolean ("presentation",
4001 "Draw page in presentation mode",
4003 G_PARAM_READWRITE));
4005 g_object_class_install_property (object_class,
4007 g_param_spec_enum ("sizing-mode",
4010 EV_TYPE_SIZING_MODE,
4011 EV_SIZING_FIT_WIDTH,
4012 G_PARAM_READWRITE));
4014 g_object_class_install_property (object_class,
4016 g_param_spec_double ("zoom",
4022 G_PARAM_READWRITE));
4023 g_object_class_install_property (object_class,
4025 g_param_spec_double ("rotation",
4031 G_PARAM_READWRITE));
4032 g_object_class_install_property (object_class,
4034 g_param_spec_boolean ("has-selection",
4036 "The view has selections",
4040 binding_set = gtk_binding_set_by_class (class);
4042 add_scroll_binding_keypad (binding_set, GDK_Left, 0, GTK_SCROLL_STEP_BACKWARD, TRUE);
4043 add_scroll_binding_keypad (binding_set, GDK_Right, 0, GTK_SCROLL_STEP_FORWARD, TRUE);
4044 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, TRUE);
4045 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, TRUE);
4046 add_scroll_binding_keypad (binding_set, GDK_Up, 0, GTK_SCROLL_STEP_BACKWARD, FALSE);
4047 add_scroll_binding_keypad (binding_set, GDK_Down, 0, GTK_SCROLL_STEP_FORWARD, FALSE);
4048 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, FALSE);
4049 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, FALSE);
4050 gtk_binding_entry_add_signal (binding_set, GDK_H, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4051 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE);
4052 gtk_binding_entry_add_signal (binding_set, GDK_J, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4053 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE);
4054 gtk_binding_entry_add_signal (binding_set, GDK_K, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4055 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE);
4056 gtk_binding_entry_add_signal (binding_set, GDK_L, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4057 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE);
4062 ev_view_init (EvView *view)
4064 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
4068 view->current_page = 0;
4069 view->pressed_button = -1;
4070 view->cursor = EV_VIEW_CURSOR_NORMAL;
4071 view->drag_info.in_drag = FALSE;
4072 view->scroll_info.autoscrolling = FALSE;
4073 view->selection_info.selections = NULL;
4074 view->selection_info.in_selection = FALSE;
4075 view->selection_info.in_drag = FALSE;
4076 view->selection_mode = EV_VIEW_SELECTION_TEXT;
4077 view->continuous = TRUE;
4078 view->dual_page = FALSE;
4079 view->presentation = FALSE;
4080 view->presentation_state = EV_PRESENTATION_NORMAL;
4081 view->fullscreen = FALSE;
4082 view->sizing_mode = EV_SIZING_FIT_WIDTH;
4083 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4084 view->jump_to_find_result = TRUE;
4085 view->highlight_find_results = FALSE;
4087 gtk_layout_set_hadjustment (GTK_LAYOUT (view), NULL);
4088 gtk_layout_set_vadjustment (GTK_LAYOUT (view), NULL);
4094 ev_view_change_page (EvView *view,
4096 gboolean start_transition)
4100 view->current_page = new_page;
4101 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4103 if (view->presentation && start_transition)
4104 ev_view_presentation_transition_start (view);
4106 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4107 ev_view_handle_cursor_over_xy (view, x, y);
4109 gtk_widget_queue_resize (GTK_WIDGET (view));
4113 ev_view_transition_animation_finish (EvTransitionAnimation *animation,
4116 g_object_unref (view->animation);
4117 view->animation = NULL;
4118 ev_view_change_page (view, view->current_page, TRUE);
4122 * ev_view_transition_animation_cancel:
4123 * @animation: Animation to finish
4126 * Does almost the same as cancel, but without scheduling the transition.
4130 ev_view_transition_animation_cancel (EvTransitionAnimation *animation,
4133 g_object_unref (view->animation);
4134 view->animation = NULL;
4135 ev_view_change_page (view, view->current_page, FALSE);
4139 ev_view_transition_animation_frame (EvTransitionAnimation *animation,
4143 gtk_widget_queue_draw (GTK_WIDGET (view));
4147 ev_view_presentation_animation_start (EvView *view,
4150 EvTransitionEffect *effect = NULL;
4151 cairo_surface_t *surface;
4153 if (EV_IS_DOCUMENT_TRANSITION (view->document))
4154 effect = ev_document_transition_get_effect (EV_DOCUMENT_TRANSITION (view->document),
4155 view->current_page);
4159 surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page);
4160 view->animation = ev_transition_animation_new (effect);
4161 ev_transition_animation_set_origin_surface (view->animation, surface);
4163 g_signal_connect (view->animation, "frame",
4164 G_CALLBACK (ev_view_transition_animation_frame), view);
4165 g_signal_connect (view->animation, "finished",
4166 G_CALLBACK (ev_view_transition_animation_finish), view);
4170 job_finished_cb (EvPixbufCache *pixbuf_cache,
4174 if (view->animation) {
4175 cairo_surface_t *surface;
4177 surface = ev_pixbuf_cache_get_surface (pixbuf_cache, view->current_page);
4178 ev_transition_animation_set_dest_surface (view->animation, surface);
4182 gdk_window_invalidate_region (view->layout.bin_window,
4185 gtk_widget_queue_draw (GTK_WIDGET (view));
4190 page_changed_cb (EvPageCache *page_cache,
4194 if (view->current_page != new_page) {
4195 if (view->presentation)
4196 ev_view_presentation_animation_start (view, new_page);
4198 ev_view_change_page (view, new_page, TRUE);
4200 gtk_widget_queue_draw (GTK_WIDGET (view));
4203 view->find_result = 0;
4207 on_adjustment_value_changed (GtkAdjustment *adjustment,
4212 GList *children, *l;
4214 if (! GTK_WIDGET_REALIZED (view))
4217 if (view->hadjustment) {
4218 dx = view->scroll_x - (int) view->hadjustment->value;
4219 view->scroll_x = (int) view->hadjustment->value;
4224 if (view->vadjustment) {
4225 dy = view->scroll_y - (int) view->vadjustment->value;
4226 view->scroll_y = (int) view->vadjustment->value;
4231 children = gtk_container_get_children (GTK_CONTAINER (view));
4232 for (l = children; l && l->data; l = g_list_next (l)) {
4233 gint child_x, child_y;
4234 GtkWidget *child = (GtkWidget *)l->data;
4236 gtk_container_child_get (GTK_CONTAINER (view),
4241 gtk_layout_move (GTK_LAYOUT (view), child, child_x + dx, child_y + dy);
4243 g_list_free (children);
4245 if (view->pending_resize)
4246 gtk_widget_queue_draw (GTK_WIDGET (view));
4248 gdk_window_scroll (view->layout.bin_window, dx, dy);
4250 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4251 ev_view_handle_cursor_over_xy (view, x, y);
4254 view_update_range_and_current_page (view);
4262 view = g_object_new (EV_TYPE_VIEW, NULL);
4268 setup_caches (EvView *view)
4270 view->page_cache = ev_page_cache_get (view->document);
4271 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
4272 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
4273 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
4274 page_changed_cb (view->page_cache,
4275 ev_page_cache_get_current_page (view->page_cache),
4280 clear_caches (EvView *view)
4282 if (view->pixbuf_cache) {
4283 g_object_unref (view->pixbuf_cache);
4284 view->pixbuf_cache = NULL;
4287 if (view->page_cache) {
4288 view->page_cache = NULL;
4293 ev_view_set_loading (EvView *view,
4296 view->loading = loading;
4297 gtk_widget_queue_draw (GTK_WIDGET (view));
4301 ev_view_autoscroll_cb (EvView *view)
4303 gdouble speed, value;
4305 /* If the user stops autoscrolling, autoscrolling will be
4306 * set to false but the timeout will continue; stop the timeout: */
4307 if (!view->scroll_info.autoscrolling) {
4308 view->scroll_info.timeout_id = 0;
4312 if (view->scroll_info.last_y > view->scroll_info.start_y &&
4313 (view->scroll_info.last_y < view->scroll_info.start_y))
4316 /* Replace 100 with your speed of choice: The lower the faster.
4317 * Replace 3 with another speed of choice: The higher, the faster it accelerated
4318 * based on the distance of the starting point from the mouse
4319 * (All also effected by the timeout interval of this callback) */
4321 if (view->scroll_info.start_y > view->scroll_info.last_y)
4322 speed = -pow ((((gdouble)view->scroll_info.start_y - view->scroll_info.last_y) / 100), 3);
4324 speed = pow ((((gdouble)view->scroll_info.last_y - view->scroll_info.start_y) / 100), 3);
4326 value = gtk_adjustment_get_value (view->vadjustment);
4327 value = CLAMP (value + speed, 0, view->vadjustment->upper - view->vadjustment->page_size);
4328 gtk_adjustment_set_value (view->vadjustment, value);
4335 ev_view_autoscroll_start (EvView *view)
4339 g_return_if_fail (EV_IS_VIEW (view));
4341 if (view->scroll_info.autoscrolling)
4344 view->scroll_info.autoscrolling = TRUE;
4345 view->scroll_info.timeout_id =
4346 g_timeout_add (20, (GSourceFunc)ev_view_autoscroll_cb,
4349 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4350 ev_view_handle_cursor_over_xy (view, x, y);
4354 ev_view_autoscroll_stop (EvView *view)
4358 g_return_if_fail (EV_IS_VIEW (view));
4360 if (!view->scroll_info.autoscrolling)
4363 view->scroll_info.autoscrolling = FALSE;
4364 if (view->scroll_info.timeout_id) {
4365 g_source_remove (view->scroll_info.timeout_id);
4366 view->scroll_info.timeout_id = 0;
4369 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4370 ev_view_handle_cursor_over_xy (view, x, y);
4374 ev_view_set_document (EvView *view,
4375 EvDocument *document)
4377 g_return_if_fail (EV_IS_VIEW (view));
4379 view->loading = FALSE;
4381 if (document != view->document) {
4382 clear_caches (view);
4384 if (view->document) {
4385 g_object_unref (view->document);
4386 view->page_cache = NULL;
4389 view->document = document;
4390 view->find_result = 0;
4392 if (view->document) {
4393 g_object_ref (view->document);
4394 setup_caches (view);
4397 gtk_widget_queue_resize (GTK_WIDGET (view));
4402 ev_view_reload_page (EvView *view,
4406 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
4414 ev_view_reload (EvView *view)
4416 ev_pixbuf_cache_clear (view->pixbuf_cache);
4417 view_update_range_and_current_page (view);
4420 /*** Zoom and sizing mode ***/
4422 #define EPSILON 0.0000001
4424 ev_view_set_zoom (EvView *view,
4431 scale = view->scale * factor;
4435 scale = CLAMP (scale,
4436 view->sizing_mode == EV_SIZING_FREE ? view->min_scale : 0,
4439 if (ABS (view->scale - scale) < EPSILON)
4442 if (view->loading_text) {
4443 cairo_surface_destroy (view->loading_text);
4444 view->loading_text = NULL;
4447 view->scale = scale;
4448 view->pending_resize = TRUE;
4450 gtk_widget_queue_resize (GTK_WIDGET (view));
4452 g_object_notify (G_OBJECT (view), "zoom");
4456 ev_view_get_zoom (EvView *view)
4462 ev_view_set_screen_dpi (EvView *view,
4465 g_return_if_fail (EV_IS_VIEW (view));
4466 g_return_if_fail (dpi > 0);
4469 view->min_scale = MIN_SCALE * dpi / 72.0;
4470 view->max_scale = MAX_SCALE * dpi / 72.0;
4474 ev_view_get_continuous (EvView *view)
4476 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4478 return view->continuous;
4482 ev_view_set_continuous (EvView *view,
4483 gboolean continuous)
4485 g_return_if_fail (EV_IS_VIEW (view));
4487 continuous = continuous != FALSE;
4489 if (view->continuous != continuous) {
4490 view->continuous = continuous;
4491 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4492 gtk_widget_queue_resize (GTK_WIDGET (view));
4495 g_object_notify (G_OBJECT (view), "continuous");
4499 ev_view_get_dual_page (EvView *view)
4501 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4503 return view->dual_page;
4507 ev_view_set_dual_page (EvView *view,
4510 g_return_if_fail (EV_IS_VIEW (view));
4512 dual_page = dual_page != FALSE;
4514 if (view->dual_page == dual_page)
4517 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4518 view->dual_page = dual_page;
4519 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
4520 * preload_cache_size to be 2 if dual_page is set.
4522 gtk_widget_queue_resize (GTK_WIDGET (view));
4524 g_object_notify (G_OBJECT (view), "dual-page");
4528 ev_view_set_fullscreen (EvView *view,
4529 gboolean fullscreen)
4531 g_return_if_fail (EV_IS_VIEW (view));
4533 fullscreen = fullscreen != FALSE;
4535 if (view->fullscreen == fullscreen)
4538 view->fullscreen = fullscreen;
4539 gtk_widget_queue_resize (GTK_WIDGET (view));
4541 g_object_notify (G_OBJECT (view), "fullscreen");
4545 ev_view_get_fullscreen (EvView *view)
4547 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4549 return view->fullscreen;
4553 ev_view_set_presentation (EvView *view,
4554 gboolean presentation)
4556 g_return_if_fail (EV_IS_VIEW (view));
4558 presentation = presentation != FALSE;
4560 if (view->presentation == presentation)
4564 view->presentation_state = EV_PRESENTATION_NORMAL;
4566 view->presentation = presentation;
4567 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4570 view->sizing_mode_saved = view->sizing_mode;
4571 view->scale_saved = view->scale;
4572 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
4574 ev_view_set_sizing_mode (view, view->sizing_mode_saved);
4575 ev_view_set_zoom (view, view->scale_saved, FALSE);
4578 gtk_widget_queue_resize (GTK_WIDGET (view));
4581 ev_view_presentation_transition_start (view);
4583 ev_view_presentation_transition_stop (view);
4585 if (view->animation) {
4586 /* stop any running animation */
4587 ev_view_transition_animation_cancel (view->animation, view);
4591 if (GTK_WIDGET_REALIZED (view)) {
4592 if (view->presentation)
4593 gdk_window_set_background (view->layout.bin_window,
4594 >K_WIDGET (view)->style->black);
4596 gdk_window_set_background (view->layout.bin_window,
4597 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
4600 g_object_notify (G_OBJECT (view), "presentation");
4604 ev_view_get_presentation (EvView *view)
4606 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4608 return view->presentation;
4612 transition_next_page (EvView *view)
4614 ev_view_next_page (view);
4620 ev_view_presentation_transition_stop (EvView *view)
4622 if (view->trans_timeout_id > 0)
4623 g_source_remove (view->trans_timeout_id);
4624 view->trans_timeout_id = 0;
4628 ev_view_presentation_transition_start (EvView *view)
4632 if (!EV_IS_DOCUMENT_TRANSITION (view->document))
4635 ev_view_presentation_transition_stop (view);
4637 duration = ev_document_transition_get_page_duration (EV_DOCUMENT_TRANSITION (view->document),
4638 view->current_page);
4640 view->trans_timeout_id =
4641 g_timeout_add_seconds (duration,
4642 (GSourceFunc) transition_next_page,
4648 ev_view_set_sizing_mode (EvView *view,
4649 EvSizingMode sizing_mode)
4651 g_return_if_fail (EV_IS_VIEW (view));
4653 if (view->sizing_mode == sizing_mode)
4656 view->sizing_mode = sizing_mode;
4657 gtk_widget_queue_resize (GTK_WIDGET (view));
4659 g_object_notify (G_OBJECT (view), "sizing-mode");
4663 ev_view_get_sizing_mode (EvView *view)
4665 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
4667 return view->sizing_mode;
4671 ev_view_can_zoom_in (EvView *view)
4673 return view->scale * ZOOM_IN_FACTOR <= view->max_scale;
4677 ev_view_can_zoom_out (EvView *view)
4679 return view->scale * ZOOM_OUT_FACTOR >= view->min_scale;
4683 ev_view_zoom_in (EvView *view)
4685 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
4687 if (view->presentation)
4690 view->pending_scroll = SCROLL_TO_CENTER;
4691 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
4695 ev_view_zoom_out (EvView *view)
4697 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
4699 if (view->presentation)
4702 view->pending_scroll = SCROLL_TO_CENTER;
4703 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
4707 ev_view_rotate_right (EvView *view)
4709 int rotation = view->rotation + 90;
4711 if (rotation >= 360) {
4715 ev_view_set_rotation (view, rotation);
4719 ev_view_rotate_left (EvView *view)
4721 int rotation = view->rotation - 90;
4727 ev_view_set_rotation (view, rotation);
4731 ev_view_set_rotation (EvView *view, int rotation)
4733 view->rotation = rotation;
4735 if (view->pixbuf_cache) {
4736 ev_pixbuf_cache_clear (view->pixbuf_cache);
4737 gtk_widget_queue_resize (GTK_WIDGET (view));
4741 clear_selection (view);
4743 g_object_notify (G_OBJECT (view), "rotation");
4747 ev_view_get_rotation (EvView *view)
4749 return view->rotation;
4753 zoom_for_size_fit_width (int doc_width,
4761 scale = (double)target_width / doc_width;
4763 if (doc_height * scale > target_height)
4764 scale = (double) (target_width - vsb_width) / doc_width;
4770 zoom_for_size_fit_height (int doc_width,
4778 scale = (double)target_height / doc_height;
4780 if (doc_width * scale > target_width)
4781 scale = (double) (target_height - vsb_height) / doc_height;
4787 zoom_for_size_best_fit (int doc_width,
4797 w_scale = (double)target_width / doc_width;
4798 h_scale = (double)target_height / doc_height;
4800 if (doc_height * w_scale > target_height)
4801 w_scale = (double) (target_width - vsb_width) / doc_width;
4802 if (doc_width * h_scale > target_width)
4803 h_scale = (double) (target_height - hsb_width) / doc_height;
4805 return MIN (w_scale, h_scale);
4810 ev_view_zoom_for_size_presentation (EvView *view,
4814 int doc_width, doc_height;
4817 ev_page_cache_get_size (view->page_cache,
4823 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
4824 ev_view_set_zoom (view, scale, FALSE);
4828 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
4834 int doc_width, doc_height;
4838 ev_page_cache_get_max_width (view->page_cache,
4842 ev_page_cache_get_max_height (view->page_cache,
4846 compute_border (view, doc_width, doc_height, &border);
4848 doc_width = doc_width * 2;
4849 width -= (2 * (border.left + border.right) + 3 * view->spacing);
4850 height -= (border.top + border.bottom + 2 * view->spacing - 1);
4852 /* FIXME: We really need to calculate the overall height here, not the
4853 * page height. We assume there's always a vertical scrollbar for
4854 * now. We need to fix this. */
4855 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
4856 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
4857 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4858 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
4860 g_assert_not_reached ();
4862 ev_view_set_zoom (view, scale, FALSE);
4866 ev_view_zoom_for_size_continuous (EvView *view,
4872 int doc_width, doc_height;
4876 ev_page_cache_get_max_width (view->page_cache,
4880 ev_page_cache_get_max_height (view->page_cache,
4884 compute_border (view, doc_width, doc_height, &border);
4886 width -= (border.left + border.right + 2 * view->spacing);
4887 height -= (border.top + border.bottom + 2 * view->spacing - 1);
4889 /* FIXME: We really need to calculate the overall height here, not the
4890 * page height. We assume there's always a vertical scrollbar for
4891 * now. We need to fix this. */
4892 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
4893 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
4894 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4895 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
4897 g_assert_not_reached ();
4899 ev_view_set_zoom (view, scale, FALSE);
4903 ev_view_zoom_for_size_dual_page (EvView *view,
4910 gint doc_width, doc_height;
4914 other_page = view->current_page ^ 1;
4916 /* Find the largest of the two. */
4917 ev_page_cache_get_size (view->page_cache,
4921 &doc_width, &doc_height);
4923 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
4924 gint width_2, height_2;
4925 ev_page_cache_get_size (view->page_cache,
4929 &width_2, &height_2);
4930 if (width_2 > doc_width)
4931 doc_width = width_2;
4932 if (height_2 > doc_height)
4933 doc_height = height_2;
4935 compute_border (view, doc_width, doc_height, &border);
4937 doc_width = doc_width * 2;
4938 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
4939 height -= (border.top + border.bottom + 2 * view->spacing);
4941 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
4942 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
4943 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4944 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
4946 g_assert_not_reached ();
4948 ev_view_set_zoom (view, scale, FALSE);
4952 ev_view_zoom_for_size_single_page (EvView *view,
4958 int doc_width, doc_height;
4962 ev_page_cache_get_size (view->page_cache,
4968 /* Get an approximate border */
4969 compute_border (view, width, height, &border);
4971 width -= (border.left + border.right + 2 * view->spacing);
4972 height -= (border.top + border.bottom + 2 * view->spacing);
4974 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
4975 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
4976 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4977 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
4979 g_assert_not_reached ();
4981 ev_view_set_zoom (view, scale, FALSE);
4985 ev_view_set_zoom_for_size (EvView *view,
4991 g_return_if_fail (EV_IS_VIEW (view));
4992 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
4993 view->sizing_mode == EV_SIZING_BEST_FIT);
4994 g_return_if_fail (width >= 0);
4995 g_return_if_fail (height >= 0);
4997 if (view->document == NULL)
5000 if (view->presentation)
5001 ev_view_zoom_for_size_presentation (view, width, height);
5002 else if (view->continuous && view->dual_page)
5003 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
5004 else if (view->continuous)
5005 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
5006 else if (view->dual_page)
5007 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
5009 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
5014 ev_view_find_get_n_results (EvView *view, gint page)
5016 return view->find_pages ? g_list_length (view->find_pages[page]) : 0;
5019 static EvRectangle *
5020 ev_view_find_get_result (EvView *view, gint page, gint result)
5022 return view->find_pages ? (EvRectangle *) g_list_nth_data (view->find_pages[page], result) : NULL;
5026 jump_to_find_result (EvView *view)
5029 gint page = view->current_page;
5031 n_results = ev_view_find_get_n_results (view, page);
5033 if (n_results > 0 && view->find_result < n_results) {
5035 GdkRectangle view_rect;
5037 rect = ev_view_find_get_result (view, page, view->find_result);
5038 doc_rect_to_view_rect (view, page, rect, &view_rect);
5039 ensure_rectangle_is_visible (view, &view_rect);
5040 view->jump_to_find_result = FALSE;
5046 * @view: #EvView instance
5047 * @direction: Direction to look
5048 * @shift: Shift from current page
5050 * Jumps to the first page that has occurences of searched word.
5051 * Uses a direction where to look and a shift from current page.
5055 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
5059 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5061 for (i = 0; i < n_pages; i++) {
5064 if (direction == EV_VIEW_FIND_NEXT)
5065 page = view->current_page + i;
5067 page = view->current_page - i;
5070 if (page >= n_pages) {
5071 page = page - n_pages;
5072 } else if (page < 0)
5073 page = page + n_pages;
5075 if (ev_view_find_get_n_results (view, page) > 0) {
5076 ev_page_cache_set_current_page (view->page_cache, page);
5083 ev_view_find_changed (EvView *view, GList **results, gint page)
5085 view->find_pages = results;
5087 if (view->jump_to_find_result == TRUE) {
5088 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
5089 jump_to_find_result (view);
5092 if (view->current_page == page)
5093 gtk_widget_queue_draw (GTK_WIDGET (view));
5097 ev_view_find_next (EvView *view)
5101 n_results = ev_view_find_get_n_results (view, view->current_page);
5102 view->find_result++;
5104 if (view->find_result >= n_results) {
5105 view->find_result = 0;
5106 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
5107 jump_to_find_result (view);
5109 jump_to_find_result (view);
5110 gtk_widget_queue_draw (GTK_WIDGET (view));
5115 ev_view_find_previous (EvView *view)
5117 view->find_result--;
5119 if (view->find_result < 0) {
5120 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
5121 view->find_result = MAX (0, ev_view_find_get_n_results (view, view->current_page) - 1);
5122 jump_to_find_result (view);
5124 jump_to_find_result (view);
5125 gtk_widget_queue_draw (GTK_WIDGET (view));
5130 ev_view_find_search_changed (EvView *view)
5132 /* search string has changed, focus on new search result */
5133 view->jump_to_find_result = TRUE;
5134 view->find_pages = NULL;
5138 ev_view_find_set_highlight_search (EvView *view, gboolean value)
5140 view->highlight_find_results = value;
5141 gtk_widget_queue_draw (GTK_WIDGET (view));
5145 ev_view_find_cancel (EvView *view)
5147 view->find_pages = NULL;
5150 /*** Selections ***/
5152 /* compute_new_selection_rect/text calculates the area currently selected by
5153 * view_rect. each handles a different mode;
5156 compute_new_selection_rect (EvView *view,
5160 GdkRectangle view_rect;
5164 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
5166 view_rect.x = MIN (start->x, stop->x);
5167 view_rect.y = MIN (start->y, stop->y);
5168 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
5169 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
5171 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5173 for (i = 0; i < n_pages; i++) {
5174 GdkRectangle page_area;
5177 if (get_page_extents (view, i, &page_area, &border)) {
5178 GdkRectangle overlap;
5180 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
5181 EvViewSelection *selection;
5183 selection = g_new0 (EvViewSelection, 1);
5184 selection->page = i;
5185 view_rect_to_doc_rect (view, &overlap, &page_area,
5186 &(selection->rect));
5188 list = g_list_append (list, selection);
5197 gdk_rectangle_point_in (GdkRectangle *rectangle,
5200 return rectangle->x <= point->x &&
5201 rectangle->y <= point->y &&
5202 point->x < rectangle->x + rectangle->width &&
5203 point->y < rectangle->y + rectangle->height;
5207 compute_new_selection_text (EvView *view,
5208 EvSelectionStyle style,
5212 int n_pages, i, first, last;
5214 EvViewSelection *selection;
5216 int start_page, end_page;
5218 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
5220 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5222 /* First figure out the range of pages the selection
5226 if (view->continuous) {
5229 } else if (view->dual_page) {
5230 start_page = view->start_page;
5231 end_page = view->end_page + 1;
5233 start_page = view->current_page;
5234 end_page = view->current_page + 1;
5237 for (i = start_page; i < end_page; i++) {
5238 GdkRectangle page_area;
5241 get_page_extents (view, i, &page_area, &border);
5242 if (gdk_rectangle_point_in (&page_area, start) ||
5243 gdk_rectangle_point_in (&page_area, stop)) {
5244 if (first == n_pages)
5251 /* Now create a list of EvViewSelection's for the affected
5252 * pages. This could be an empty list, a list of just one
5253 * page or a number of pages.*/
5254 for (i = first; i < last + 1; i++) {
5255 GdkRectangle page_area;
5259 ev_page_cache_get_size (view->page_cache, i,
5261 1.0, &width, &height);
5263 selection = g_new0 (EvViewSelection, 1);
5264 selection->page = i;
5265 selection->style = style;
5266 selection->rect.x1 = selection->rect.y1 = 0;
5267 selection->rect.x2 = width;
5268 selection->rect.y2 = height;
5270 get_page_extents (view, i, &page_area, &border);
5272 if (gdk_rectangle_point_in (&page_area, start))
5278 view_point_to_doc_point (view, point, &page_area,
5279 &selection->rect.x1,
5280 &selection->rect.y1);
5282 /* If the selection is contained within just one page,
5283 * make sure we don't write 'start' into both points
5284 * in selection->rect. */
5289 view_point_to_doc_point (view, point, &page_area,
5290 &selection->rect.x2,
5291 &selection->rect.y2);
5293 list = g_list_append (list, selection);
5299 /* This function takes the newly calculated list, and figures out which regions
5300 * have changed. It then queues a redraw approporiately.
5303 merge_selection_region (EvView *view,
5307 GList *new_list_ptr, *old_list_ptr;
5309 /* Update the selection */
5310 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
5311 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5312 g_list_free (view->selection_info.selections);
5313 view->selection_info.selections = new_list;
5314 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
5315 g_object_notify (G_OBJECT (view), "has-selection");
5317 new_list_ptr = new_list;
5318 old_list_ptr = old_list;
5320 while (new_list_ptr || old_list_ptr) {
5321 EvViewSelection *old_sel, *new_sel;
5323 GdkRegion *region = NULL;
5325 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
5326 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
5328 /* Assume that the lists are in order, and we run through them
5329 * comparing them, one page at a time. We come out with the
5330 * first page we see. */
5331 if (new_sel && old_sel) {
5332 if (new_sel->page < old_sel->page) {
5333 new_list_ptr = new_list_ptr->next;
5335 } else if (new_sel->page > old_sel->page) {
5336 old_list_ptr = old_list_ptr->next;
5339 new_list_ptr = new_list_ptr->next;
5340 old_list_ptr = old_list_ptr->next;
5342 } else if (new_sel) {
5343 new_list_ptr = new_list_ptr->next;
5344 } else if (old_sel) {
5345 old_list_ptr = old_list_ptr->next;
5348 g_assert (new_sel || old_sel);
5350 /* is the page we're looking at on the screen?*/
5351 cur_page = new_sel ? new_sel->page : old_sel->page;
5352 if (cur_page < view->start_page || cur_page > view->end_page)
5355 /* seed the cache with a new page. We are going to need the new
5358 GdkRegion *tmp_region = NULL;
5360 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
5366 new_sel->covered_region = gdk_region_copy (tmp_region);
5370 /* Now we figure out what needs redrawing */
5371 if (old_sel && new_sel) {
5372 if (old_sel->covered_region && new_sel->covered_region) {
5373 /* We only want to redraw the areas that have
5374 * changed, so we xor the old and new regions
5375 * and redraw if it's different */
5376 region = gdk_region_copy (old_sel->covered_region);
5377 gdk_region_xor (region, new_sel->covered_region);
5378 if (gdk_region_empty (region)) {
5379 gdk_region_destroy (region);
5382 } else if (old_sel->covered_region) {
5383 region = gdk_region_copy (old_sel->covered_region);
5384 } else if (new_sel->covered_region) {
5385 region = gdk_region_copy (new_sel->covered_region);
5387 } else if (old_sel && !new_sel) {
5388 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
5389 region = gdk_region_copy (old_sel->covered_region);
5391 } else if (!old_sel && new_sel) {
5392 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
5393 region = gdk_region_copy (new_sel->covered_region);
5396 g_assert_not_reached ();
5399 /* Redraw the damaged region! */
5401 GdkRectangle page_area;
5404 /* I don't know why but the region is smaller
5405 * than expected. This hack fixes it, I guess
5406 * 10 pixels more won't hurt
5408 gdk_region_shrink (region, -5, -5);
5410 get_page_extents (view, cur_page, &page_area, &border);
5411 gdk_region_offset (region,
5412 page_area.x + border.left - view->scroll_x,
5413 page_area.y + border.top - view->scroll_y);
5414 gdk_window_invalidate_region (view->layout.bin_window, region, TRUE);
5415 gdk_region_destroy (region);
5419 /* Free the old list, now that we're done with it. */
5420 g_list_foreach (old_list, (GFunc) selection_free, NULL);
5421 g_list_free (old_list);
5425 compute_selections (EvView *view,
5426 EvSelectionStyle style,
5432 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
5433 list = compute_new_selection_rect (view, start, stop);
5435 list = compute_new_selection_text (view, style, start, stop);
5436 merge_selection_region (view, list);
5439 /* Free's the selection. It's up to the caller to queue redraws if needed.
5442 selection_free (EvViewSelection *selection)
5444 if (selection->covered_region)
5445 gdk_region_destroy (selection->covered_region);
5450 clear_selection (EvView *view)
5452 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5453 g_list_free (view->selection_info.selections);
5454 view->selection_info.selections = NULL;
5455 view->selection_info.in_selection = FALSE;
5456 if (view->pixbuf_cache)
5457 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
5458 g_object_notify (G_OBJECT (view), "has-selection");
5462 ev_view_select_all (EvView *view)
5464 GList *selections = NULL;
5467 /* Disable selection on rotated pages for the 0.4.0 series */
5468 if (view->rotation != 0)
5471 clear_selection (view);
5473 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5474 for (i = 0; i < n_pages; i++) {
5476 EvViewSelection *selection;
5478 ev_page_cache_get_size (view->page_cache,
5481 1.0, &width, &height);
5483 selection = g_new0 (EvViewSelection, 1);
5484 selection->page = i;
5485 selection->style = EV_SELECTION_STYLE_GLYPH;
5486 selection->rect.x1 = selection->rect.y1 = 0;
5487 selection->rect.x2 = width;
5488 selection->rect.y2 = height;
5490 selections = g_list_append (selections, selection);
5493 merge_selection_region (view, selections);
5494 gtk_widget_queue_draw (GTK_WIDGET (view));
5498 ev_view_get_has_selection (EvView *view)
5500 return view->selection_info.selections != NULL;
5504 get_selected_text (EvView *view)
5508 gchar *normalized_text;
5509 EvRenderContext *rc;
5511 text = g_string_new (NULL);
5512 rc = ev_render_context_new (NULL, view->rotation, view->scale);
5514 ev_document_doc_mutex_lock ();
5516 for (l = view->selection_info.selections; l != NULL; l = l->next) {
5517 EvViewSelection *selection = (EvViewSelection *)l->data;
5521 page = ev_document_get_page (view->document, selection->page);
5522 ev_render_context_set_page (rc, page);
5523 g_object_unref (page);
5525 tmp = ev_selection_get_selected_text (EV_SELECTION (view->document),
5526 rc, selection->style,
5527 &(selection->rect));
5529 g_string_append (text, tmp);
5533 g_object_unref (rc);
5535 ev_document_doc_mutex_unlock ();
5537 normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC);
5538 g_string_free (text, TRUE);
5539 return normalized_text;
5543 ev_view_clipboard_copy (EvView *view,
5546 GtkClipboard *clipboard;
5548 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
5549 GDK_SELECTION_CLIPBOARD);
5550 gtk_clipboard_set_text (clipboard, text, -1);
5554 ev_view_copy (EvView *ev_view)
5558 if (!EV_IS_SELECTION (ev_view->document))
5561 text = get_selected_text (ev_view);
5562 ev_view_clipboard_copy (ev_view, text);
5567 ev_view_primary_get_cb (GtkClipboard *clipboard,
5568 GtkSelectionData *selection_data,
5572 EvView *ev_view = EV_VIEW (data);
5574 if (ev_view->link_selected) {
5575 gtk_selection_data_set_text (selection_data,
5576 ev_link_action_get_uri (ev_view->link_selected),
5578 } else if (EV_IS_SELECTION (ev_view->document) &&
5579 ev_view->selection_info.selections) {
5582 text = get_selected_text (ev_view);
5584 gtk_selection_data_set_text (selection_data, text, -1);
5591 ev_view_primary_clear_cb (GtkClipboard *clipboard,
5594 EvView *view = EV_VIEW (data);
5596 clear_selection (view);
5597 clear_link_selected (view);
5601 ev_view_update_primary_selection (EvView *ev_view)
5603 GtkClipboard *clipboard;
5605 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
5606 GDK_SELECTION_PRIMARY);
5608 if (ev_view->selection_info.selections || ev_view->link_selected) {
5609 GtkTargetList *target_list;
5610 GtkTargetEntry *targets;
5613 target_list = gtk_target_list_new (NULL, 0);
5614 gtk_target_list_add_text_targets (target_list, 0);
5615 targets = gtk_target_table_new_from_list (target_list, &n_targets);
5616 gtk_target_list_unref (target_list);
5618 if (!gtk_clipboard_set_with_owner (clipboard,
5620 ev_view_primary_get_cb,
5621 ev_view_primary_clear_cb,
5622 G_OBJECT (ev_view)))
5623 ev_view_primary_clear_cb (clipboard, ev_view);
5625 gtk_target_table_free (targets, n_targets);
5627 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
5628 gtk_clipboard_clear (clipboard);
5633 clear_link_selected (EvView *view)
5635 if (view->link_selected) {
5636 g_object_unref (view->link_selected);
5637 view->link_selected = NULL;
5642 ev_view_copy_link_address (EvView *view,
5643 EvLinkAction *action)
5645 clear_link_selected (view);
5647 ev_view_clipboard_copy (view, ev_link_action_get_uri (action));
5649 view->link_selected = g_object_ref (action);
5650 ev_view_update_primary_selection (view);
5653 /*** Cursor operations ***/
5656 ev_view_create_invisible_cursor(void)
5659 GdkColor black = { 0, 0, 0, 0 };
5660 static char bits[] = { 0x00 };
5662 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
5664 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
5668 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
5670 GdkCursor *cursor = NULL;
5671 GdkDisplay *display;
5674 if (view->cursor == new_cursor) {
5678 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
5679 display = gtk_widget_get_display (widget);
5680 view->cursor = new_cursor;
5682 switch (new_cursor) {
5683 case EV_VIEW_CURSOR_NORMAL:
5684 gdk_window_set_cursor (view->layout.bin_window, NULL);
5686 case EV_VIEW_CURSOR_IBEAM:
5687 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
5689 case EV_VIEW_CURSOR_LINK:
5690 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
5692 case EV_VIEW_CURSOR_WAIT:
5693 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
5695 case EV_VIEW_CURSOR_HIDDEN:
5696 cursor = ev_view_create_invisible_cursor ();
5698 case EV_VIEW_CURSOR_DRAG:
5699 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
5701 case EV_VIEW_CURSOR_AUTOSCROLL:
5702 cursor = gdk_cursor_new_for_display (display, GDK_DOUBLE_ARROW);
5707 gdk_window_set_cursor (view->layout.bin_window, cursor);
5708 gdk_cursor_unref (cursor);
5714 ev_view_hide_cursor (EvView *view)
5716 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
5720 ev_view_show_cursor (EvView *view)
5722 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
5726 ev_view_reset_presentation_state (EvView *view)
5728 if (!view->presentation ||
5729 view->presentation_state == EV_PRESENTATION_NORMAL)
5732 view->presentation_state = EV_PRESENTATION_NORMAL;
5733 gdk_window_set_background (view->layout.bin_window,
5734 >K_WIDGET (view)->style->black);
5735 gtk_widget_queue_draw (GTK_WIDGET (view));
5739 ev_view_next_page (EvView *view)
5743 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5745 if (!view->page_cache)
5748 if (view->presentation &&
5749 (view->presentation_state == EV_PRESENTATION_BLACK ||
5750 view->presentation_state == EV_PRESENTATION_WHITE)) {
5751 ev_view_reset_presentation_state (view);
5755 if (view->animation) {
5756 ev_view_transition_animation_cancel (view->animation, view);
5759 ev_view_presentation_transition_stop (view);
5760 ev_view_reset_presentation_state (view);
5762 page = ev_page_cache_get_current_page (view->page_cache);
5763 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5765 if (view->dual_page && !view->presentation)
5770 if (page < n_pages) {
5771 ev_page_cache_set_current_page (view->page_cache, page);
5773 } else if (view->presentation && page == n_pages) {
5774 view->presentation_state = EV_PRESENTATION_END;
5775 gtk_widget_queue_draw (GTK_WIDGET (view));
5777 } else if (view->dual_page && page == n_pages) {
5778 ev_page_cache_set_current_page (view->page_cache, page - 1);
5786 ev_view_previous_page (EvView *view)
5790 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5792 if (!view->page_cache)
5795 if (view->presentation &&
5796 view->presentation_state == EV_PRESENTATION_END) {
5797 ev_view_reset_presentation_state (view);
5801 if (view->presentation &&
5802 (view->presentation_state == EV_PRESENTATION_BLACK ||
5803 view->presentation_state == EV_PRESENTATION_WHITE)) {
5804 ev_view_reset_presentation_state (view);
5808 if (view->animation) {
5809 ev_view_transition_animation_cancel (view->animation, view);
5812 ev_view_reset_presentation_state (view);
5814 page = ev_page_cache_get_current_page (view->page_cache);
5816 if (view->dual_page && !view->presentation)
5822 ev_page_cache_set_current_page (view->page_cache, page);
5824 } else if (ev_view_get_dual_page (view) && page == -1) {
5825 ev_page_cache_set_current_page (view->page_cache, 0);
5832 /*** Enum description for usage in signal ***/
5835 ev_sizing_mode_get_type (void)
5837 static GType etype = 0;
5839 static const GEnumValue values[] = {
5840 { EV_SIZING_FIT_WIDTH, "EV_SIZING_FIT_WIDTH", "fit-width" },
5841 { EV_SIZING_BEST_FIT, "EV_SIZING_BEST_FIT", "best-fit" },
5842 { EV_SIZING_FREE, "EV_SIZING_FREE", "free" },
5845 etype = g_enum_register_static ("EvSizingMode", values);
5851 ev_view_update_view_size (EvView *view, GtkScrolledWindow * scrolled_window)
5854 GtkRequisition vsb_requisition;
5855 GtkRequisition hsb_requisition;
5856 int scrollbar_spacing;
5858 /* Calculate the width available for the content */
5859 width = GTK_WIDGET (scrolled_window)->allocation.width;
5860 height = GTK_WIDGET (scrolled_window)->allocation.height;
5862 if (gtk_scrolled_window_get_shadow_type (scrolled_window) == GTK_SHADOW_IN
5864 width -= 2 * GTK_WIDGET(view)->style->xthickness;
5865 height -= 2 * GTK_WIDGET(view)->style->ythickness;
5868 gtk_widget_size_request (scrolled_window->vscrollbar, &vsb_requisition);
5869 gtk_widget_size_request (scrolled_window->hscrollbar, &hsb_requisition);
5870 gtk_widget_style_get (GTK_WIDGET (scrolled_window),
5871 "scrollbar_spacing",
5875 if (EV_IS_VIEW(view)) {
5876 ev_view_set_zoom_for_size (EV_VIEW (view),
5879 vsb_requisition.width + scrollbar_spacing,
5880 hsb_requisition.height + scrollbar_spacing);