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-application.h"
32 #include "ev-document-forms.h"
33 #include "ev-document-images.h"
34 #include "ev-document-links.h"
35 #include "ev-document-misc.h"
36 #include "ev-document-transition.h"
37 #include "ev-marshal.h"
38 #include "ev-page-cache.h"
39 #include "ev-pixbuf-cache.h"
40 #include "ev-transition-animation.h"
43 #include "ev-view-private.h"
45 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
46 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
47 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
62 SIGNAL_BINDING_ACTIVATED,
81 TARGET_TEXT_BUFFER_CONTENTS
84 static const GtkTargetEntry clipboard_targets[] = {
85 { "STRING", 0, TARGET_STRING },
86 { "TEXT", 0, TARGET_TEXT },
87 { "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT },
88 { "UTF8_STRING", 0, TARGET_UTF8_STRING },
91 static const GtkTargetEntry view_drop_targets[] = {
92 { "text/uri-list", 0, 0 }
95 static guint signals[N_SIGNALS];
100 } EvViewFindDirection;
102 #define ZOOM_IN_FACTOR 1.2
103 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
105 #define MIN_SCALE 0.05409
106 #define MAX_SCALE 4.0
108 #define SCROLL_TIME 150
111 static void scroll_to_current_page (EvView *view,
112 GtkOrientation orientation);
113 static void ev_view_set_scroll_adjustments (GtkLayout *layout,
114 GtkAdjustment *hadjustment,
115 GtkAdjustment *vadjustment);
116 static void view_update_range_and_current_page (EvView *view);
117 static void set_scroll_adjustment (EvView *view,
118 GtkOrientation orientation,
119 GtkAdjustment *adjustment);
120 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
122 GdkModifierType modifiers,
123 GtkScrollType scroll,
124 gboolean horizontal);
125 static void ensure_rectangle_is_visible (EvView *view,
128 /*** Geometry computations ***/
129 static void compute_border (EvView *view,
133 static void get_page_y_offset (EvView *view,
137 static gboolean get_page_extents (EvView *view,
139 GdkRectangle *page_area,
141 static void view_rect_to_doc_rect (EvView *view,
142 GdkRectangle *view_rect,
143 GdkRectangle *page_area,
144 EvRectangle *doc_rect);
145 static void doc_rect_to_view_rect (EvView *view,
147 EvRectangle *doc_rect,
148 GdkRectangle *view_rect);
149 static void find_page_at_location (EvView *view,
155 static gboolean doc_point_to_view_point (EvView *view,
158 GdkPoint *view_point);
160 static EvLink * ev_view_get_link_at_location (EvView *view,
163 static char* tip_from_link (EvView *view,
166 static EvFormField *ev_view_get_form_field_at_location (EvView *view,
170 /*** GtkWidget implementation ***/
171 static void ev_view_size_request_continuous_dual_page (EvView *view,
172 GtkRequisition *requisition);
173 static void ev_view_size_request_continuous (EvView *view,
174 GtkRequisition *requisition);
175 static void ev_view_size_request_dual_page (EvView *view,
176 GtkRequisition *requisition);
177 static void ev_view_size_request_single_page (EvView *view,
178 GtkRequisition *requisition);
179 static void ev_view_size_request (GtkWidget *widget,
180 GtkRequisition *requisition);
181 static void ev_view_size_allocate (GtkWidget *widget,
182 GtkAllocation *allocation);
183 static void ev_view_realize (GtkWidget *widget);
184 static gboolean ev_view_scroll_event (GtkWidget *widget,
185 GdkEventScroll *event);
186 static gboolean ev_view_expose_event (GtkWidget *widget,
187 GdkEventExpose *event);
188 static gboolean ev_view_popup_menu (GtkWidget *widget);
189 static gboolean ev_view_button_press_event (GtkWidget *widget,
190 GdkEventButton *event);
191 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
192 GdkEventMotion *event);
193 static gboolean ev_view_button_release_event (GtkWidget *widget,
194 GdkEventButton *event);
195 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
196 GdkEventCrossing *event);
197 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
198 GdkEventCrossing *event);
199 static void ev_view_style_set (GtkWidget *widget,
200 GtkStyle *old_style);
201 static void ev_view_remove_all (EvView *view);
203 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
206 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
207 static void draw_rubberband (GtkWidget *widget,
209 const GdkRectangle *rect,
211 static void highlight_find_results (EvView *view,
213 static void draw_one_page (EvView *view,
216 GdkRectangle *page_area,
218 GdkRectangle *expose_area,
219 gboolean *page_ready);
220 static void draw_loading_text (EvView *view,
221 GdkRectangle *page_area,
222 GdkRectangle *expose_area);
225 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
228 static void page_changed_cb (EvPageCache *page_cache,
231 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
235 static void ev_view_finalize (GObject *object);
236 static void ev_view_destroy (GtkObject *object);
237 static void ev_view_set_property (GObject *object,
241 static void ev_view_get_property (GObject *object,
245 static void ev_view_class_init (EvViewClass *class);
246 static void ev_view_init (EvView *view);
248 /*** Zoom and sizing ***/
249 static double zoom_for_size_fit_width (int doc_width,
254 static double zoom_for_size_fit_height (int doc_width,
259 static double zoom_for_size_best_fit (int doc_width,
265 static void ev_view_zoom_for_size_presentation (EvView *view,
268 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
273 static void ev_view_zoom_for_size_continuous (EvView *view,
278 static void ev_view_zoom_for_size_dual_page (EvView *view,
283 static void ev_view_zoom_for_size_single_page (EvView *view,
289 static GdkCursor* ev_view_create_invisible_cursor (void);
290 static void ev_view_set_cursor (EvView *view,
291 EvViewCursor new_cursor);
292 static void ev_view_handle_cursor_over_xy (EvView *view,
297 static gint ev_view_find_get_n_results (EvView *view,
299 static EvRectangle *ev_view_find_get_result (EvView *view,
302 static void jump_to_find_result (EvView *view);
303 static void jump_to_find_page (EvView *view,
304 EvViewFindDirection direction,
308 static void compute_selections (EvView *view,
309 EvSelectionStyle style,
312 static void clear_selection (EvView *view);
313 static void clear_link_selected (EvView *view);
314 static void selection_free (EvViewSelection *selection);
315 static char* get_selected_text (EvView *ev_view);
316 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
317 GtkSelectionData *selection_data,
320 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
322 static void ev_view_update_primary_selection (EvView *ev_view);
324 /*** Presentation ***/
325 static void ev_view_presentation_transition_start (EvView *ev_view);
326 static void ev_view_presentation_transition_stop (EvView *ev_view);
329 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_LAYOUT)
332 scroll_to_current_page (EvView *view, GtkOrientation orientation)
336 if (view->document == NULL) {
340 doc_point_to_view_point (view, view->current_page, &view->pending_point, &view_point);
342 if (orientation == GTK_ORIENTATION_VERTICAL) {
343 view->pending_point.y = 0;
345 view->pending_point.x = 0;
348 if (orientation == GTK_ORIENTATION_VERTICAL) {
349 if (view->continuous) {
350 gtk_adjustment_clamp_page (view->vadjustment,
351 view_point.y - view->spacing / 2,
352 view_point.y + view->vadjustment->page_size);
354 gtk_adjustment_set_value (view->vadjustment,
356 view->vadjustment->lower,
357 view->vadjustment->upper -
358 view->vadjustment->page_size));
361 if (view->dual_page) {
362 gtk_adjustment_clamp_page (view->hadjustment,
364 view_point.x + view->hadjustment->page_size);
366 gtk_adjustment_set_value (view->hadjustment,
368 view->hadjustment->lower,
369 view->hadjustment->upper -
370 view->hadjustment->page_size));
376 view_set_adjustment_values (EvView *view,
377 GtkOrientation orientation)
379 GtkWidget *widget = GTK_WIDGET (view);
380 GtkAdjustment *adjustment;
387 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
388 requisition = widget->requisition.width;
389 allocation = widget->allocation.width;
390 adjustment = view->hadjustment;
392 requisition = widget->requisition.height;
393 allocation = widget->allocation.height;
394 adjustment = view->vadjustment;
401 switch (view->pending_scroll) {
402 case SCROLL_TO_KEEP_POSITION:
403 case SCROLL_TO_FIND_LOCATION:
404 factor = (adjustment->value) / adjustment->upper;
406 case SCROLL_TO_PAGE_POSITION:
408 case SCROLL_TO_CENTER:
409 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
413 adjustment->page_size = allocation;
414 adjustment->step_increment = allocation * 0.1;
415 adjustment->page_increment = allocation * 0.9;
416 adjustment->lower = 0;
417 adjustment->upper = MAX (allocation, requisition);
420 * We add 0.5 to the values before to average out our rounding errors.
422 switch (view->pending_scroll) {
423 case SCROLL_TO_KEEP_POSITION:
424 case SCROLL_TO_FIND_LOCATION:
425 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
426 gtk_adjustment_set_value (adjustment, (int)new_value);
428 case SCROLL_TO_PAGE_POSITION:
429 scroll_to_current_page (view, orientation);
431 case SCROLL_TO_CENTER:
432 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
433 0, adjustment->upper - adjustment->page_size);
434 gtk_adjustment_set_value (adjustment, (int)new_value);
438 gtk_adjustment_changed (adjustment);
442 view_update_range_and_current_page (EvView *view)
445 gint best_current_page = -1;
447 /* Presentation trumps all other modes */
448 if (view->presentation) {
449 view->start_page = view->current_page;
450 view->end_page = view->current_page;
451 } else if (view->continuous) {
452 GdkRectangle current_area, unused, page_area;
454 gboolean found = FALSE;
455 gint area_max = -1, area;
458 if (!(view->vadjustment && view->hadjustment))
461 current_area.x = view->hadjustment->value;
462 current_area.width = view->hadjustment->upper;
463 current_area.y = view->vadjustment->value;
464 current_area.height = view->vadjustment->page_size;
466 for (i = 0; i < ev_page_cache_get_n_pages (view->page_cache); i++) {
468 get_page_extents (view, i, &page_area, &border);
470 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
471 area = unused.width * unused.height;
475 view->start_page = i;
477 best_current_page = i;
479 if (area > area_max) {
480 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
485 } else if (found && view->current_page <= view->end_page) {
490 } else if (view->dual_page) {
491 if (view->current_page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) {
492 view->start_page = view->current_page;
493 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache))
494 view->end_page = view->start_page + 1;
496 view->end_page = view->start_page;
498 if (view->current_page < 1)
499 view->start_page = view->current_page;
501 view->start_page = view->current_page - 1;
502 view->end_page = view->current_page;
505 view->start_page = view->current_page;
506 view->end_page = view->current_page;
509 best_current_page = MAX (best_current_page, view->start_page);
510 current_page = ev_page_cache_get_current_page (view->page_cache);
512 if ((current_page != best_current_page) && (view->pending_scroll == SCROLL_TO_KEEP_POSITION)) {
513 view->current_page = best_current_page;
514 ev_page_cache_set_current_page (view->page_cache, best_current_page);
517 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
522 view->selection_info.selections);
526 set_scroll_adjustment (EvView *view,
527 GtkOrientation orientation,
528 GtkAdjustment *adjustment)
530 GtkAdjustment **to_set;
532 if (orientation == GTK_ORIENTATION_HORIZONTAL)
533 to_set = &view->hadjustment;
535 to_set = &view->vadjustment;
537 if (*to_set != adjustment) {
539 g_signal_handlers_disconnect_by_func (*to_set,
540 (gpointer) on_adjustment_value_changed,
542 g_object_unref (*to_set);
545 *to_set = adjustment;
546 view_set_adjustment_values (view, orientation);
549 g_object_ref (*to_set);
550 g_signal_connect (*to_set, "value_changed",
551 G_CALLBACK (on_adjustment_value_changed), view);
557 ev_view_set_scroll_adjustments (GtkLayout *layout,
558 GtkAdjustment *hadjustment,
559 GtkAdjustment *vadjustment)
561 EvView *view = EV_VIEW (layout);
563 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
564 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
566 on_adjustment_value_changed (NULL, view);
570 add_scroll_binding_keypad (GtkBindingSet *binding_set,
572 GdkModifierType modifiers,
573 GtkScrollType scroll,
576 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
578 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
579 "binding_activated", 2,
580 GTK_TYPE_SCROLL_TYPE, scroll,
581 G_TYPE_BOOLEAN, horizontal);
582 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
583 "binding_activated", 2,
584 GTK_TYPE_SCROLL_TYPE, scroll,
585 G_TYPE_BOOLEAN, horizontal);
589 ev_view_scroll (EvView *view,
590 GtkScrollType scroll,
593 GtkAdjustment *adjustment;
594 double value, increment;
595 gboolean first_page = FALSE;
596 gboolean last_page = FALSE;
598 view->jump_to_find_result = FALSE;
600 if (view->presentation || view->sizing_mode == EV_SIZING_BEST_FIT) {
602 case GTK_SCROLL_PAGE_BACKWARD:
603 case GTK_SCROLL_STEP_BACKWARD:
604 ev_view_previous_page (view);
606 case GTK_SCROLL_PAGE_FORWARD:
607 case GTK_SCROLL_STEP_FORWARD:
608 ev_view_next_page (view);
616 /* Assign values for increment and vertical adjustment */
617 adjustment = horizontal ? view->hadjustment : view->vadjustment;
618 increment = adjustment->page_size * 0.75;
619 value = adjustment->value;
621 /* Assign boolean for first and last page */
622 if (view->current_page == 0)
624 if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1)
628 case GTK_SCROLL_PAGE_BACKWARD:
629 /* Do not jump backwards if at the first page */
630 if (value == (adjustment->lower) && first_page) {
632 /* At the top of a page, assign the upper bound limit of previous page */
633 } else if (value == (adjustment->lower)) {
634 value = adjustment->upper - adjustment->page_size;
635 ev_view_previous_page (view);
636 /* Jump to the top */
638 value = MAX (value - increment, adjustment->lower);
641 case GTK_SCROLL_PAGE_FORWARD:
642 /* Do not jump forward if at the last page */
643 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
645 /* At the bottom of a page, assign the lower bound limit of next page */
646 } else if (value == (adjustment->upper - adjustment->page_size)) {
648 ev_view_next_page (view);
649 /* Jump to the bottom */
651 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
654 case GTK_SCROLL_STEP_BACKWARD:
655 value -= adjustment->step_increment;
657 case GTK_SCROLL_STEP_FORWARD:
658 value += adjustment->step_increment;
660 case GTK_SCROLL_STEP_DOWN:
661 value -= adjustment->step_increment / 10;
663 case GTK_SCROLL_STEP_UP:
664 value += adjustment->step_increment / 10;
670 value = CLAMP (value, adjustment->lower,
671 adjustment->upper - adjustment->page_size);
673 gtk_adjustment_set_value (adjustment, value);
679 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
681 GtkWidget *widget = GTK_WIDGET (view);
682 GtkAdjustment *adjustment;
685 view->pending_scroll = SCROLL_TO_FIND_LOCATION;
687 adjustment = view->vadjustment;
689 if (rect->y < adjustment->value) {
690 value = MAX (adjustment->lower, rect->y - MARGIN);
691 gtk_adjustment_set_value (view->vadjustment, value);
692 } else if (rect->y + rect->height >
693 adjustment->value + widget->allocation.height) {
694 value = MIN (adjustment->upper, rect->y + rect->height -
695 widget->allocation.height + MARGIN);
696 gtk_adjustment_set_value (view->vadjustment, value);
699 adjustment = view->hadjustment;
701 if (rect->x < adjustment->value) {
702 value = MAX (adjustment->lower, rect->x - MARGIN);
703 gtk_adjustment_set_value (view->hadjustment, value);
704 } else if (rect->x + rect->height >
705 adjustment->value + widget->allocation.width) {
706 value = MIN (adjustment->upper, rect->x + rect->width -
707 widget->allocation.width + MARGIN);
708 gtk_adjustment_set_value (view->hadjustment, value);
711 gtk_widget_queue_resize (GTK_WIDGET (view));
714 /*** Geometry computations ***/
717 compute_border (EvView *view, int width, int height, GtkBorder *border)
719 if (view->presentation) {
725 ev_document_misc_get_page_border_size (width, height, border);
730 get_page_y_offset (EvView *view, int page, double zoom, int *y_offset)
732 int max_width, offset;
735 g_return_if_fail (y_offset != NULL);
737 ev_page_cache_get_max_width (view->page_cache, view->rotation, zoom, &max_width);
739 compute_border (view, max_width, max_width, &border);
741 if (view->dual_page) {
742 ev_page_cache_get_height_to_page (view->page_cache, page,
743 view->rotation, zoom, NULL, &offset);
744 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);
746 ev_page_cache_get_height_to_page (view->page_cache, page,
747 view->rotation, zoom, &offset, NULL);
748 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
756 get_page_extents (EvView *view,
758 GdkRectangle *page_area,
764 widget = GTK_WIDGET (view);
766 /* Get the size of the page */
767 ev_page_cache_get_size (view->page_cache, page,
771 compute_border (view, width, height, border);
772 page_area->width = width + border->left + border->right;
773 page_area->height = height + border->top + border->bottom;
775 if (view->presentation) {
776 page_area->x = (MAX (0, widget->allocation.width - width))/2;
777 page_area->y = (MAX (0, widget->allocation.height - height))/2;
778 } else if (view->continuous) {
782 ev_page_cache_get_max_width (view->page_cache, view->rotation,
783 view->scale, &max_width);
784 max_width = max_width + border->left + border->right;
785 /* Get the location of the bounding box */
786 if (view->dual_page) {
787 x = view->spacing + ((page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? 0 : 1) * (max_width + view->spacing);
788 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
789 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
790 x = x + (max_width - width - border->left - border->right);
793 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
796 get_page_y_offset (view, page, view->scale, &y);
802 if (view->dual_page) {
803 gint width_2, height_2;
804 gint max_width = width;
805 gint max_height = height;
806 GtkBorder overall_border;
809 other_page = (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? page + 1: page - 1;
811 /* First, we get the bounding box of the two pages */
812 if (other_page < ev_page_cache_get_n_pages (view->page_cache)
813 && (0 <= other_page)) {
814 ev_page_cache_get_size (view->page_cache,
818 &width_2, &height_2);
821 if (height_2 > height)
822 max_height = height_2;
824 compute_border (view, max_width, max_height, &overall_border);
826 /* Find the offsets */
830 /* Adjust for being the left or right page */
831 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
832 x = x + max_width - width;
834 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
836 y = y + (max_height - height)/2;
838 /* Adjust for extra allocation */
839 x = x + MAX (0, widget->allocation.width -
840 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
841 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
846 /* Adjust for extra allocation */
847 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
848 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
859 view_point_to_doc_point (EvView *view,
860 GdkPoint *view_point,
861 GdkRectangle *page_area,
865 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
866 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
870 view_rect_to_doc_rect (EvView *view,
871 GdkRectangle *view_rect,
872 GdkRectangle *page_area,
873 EvRectangle *doc_rect)
875 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
876 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
877 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
878 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
882 doc_point_to_view_point (EvView *view,
885 GdkPoint *view_point)
887 GdkRectangle page_area;
889 double x, y, view_x, view_y;
892 ev_page_cache_get_size (view->page_cache, page,
897 if (view->rotation == 0) {
900 } else if (view->rotation == 90) {
901 x = width - doc_point->y;
903 } else if (view->rotation == 180) {
904 x = width - doc_point->x;
905 y = height - doc_point->y;
906 } else if (view->rotation == 270) {
908 y = height - doc_point->x;
910 g_assert_not_reached ();
913 get_page_extents (view, page, &page_area, &border);
915 view_x = x * view->scale;
916 view_y = y * view->scale;
917 view_point->x = view_x + page_area.x;
918 view_point->y = view_y + page_area.y;
920 return (view_x > 0 && view_x <= page_area.width &&
921 view_y > 0 && view_y <= page_area.height);
925 doc_rect_to_view_rect (EvView *view,
927 EvRectangle *doc_rect,
928 GdkRectangle *view_rect)
930 GdkRectangle page_area;
935 ev_page_cache_get_size (view->page_cache, page,
940 if (view->rotation == 0) {
943 w = doc_rect->x2 - doc_rect->x1;
944 h = doc_rect->y2 - doc_rect->y1;
945 } else if (view->rotation == 90) {
946 x = width - doc_rect->y2;
948 w = doc_rect->y2 - doc_rect->y1;
949 h = doc_rect->x2 - doc_rect->x1;
950 } else if (view->rotation == 180) {
951 x = width - doc_rect->x2;
952 y = height - doc_rect->y2;
953 w = doc_rect->x2 - doc_rect->x1;
954 h = doc_rect->y2 - doc_rect->y1;
955 } else if (view->rotation == 270) {
957 y = height - doc_rect->x2;
958 w = doc_rect->y2 - doc_rect->y1;
959 h = doc_rect->x2 - doc_rect->x1;
961 g_assert_not_reached ();
964 get_page_extents (view, page, &page_area, &border);
966 view_rect->x = x * view->scale + page_area.x;
967 view_rect->y = y * view->scale + page_area.y;
968 view_rect->width = w * view->scale;
969 view_rect->height = h * view->scale;
973 find_page_at_location (EvView *view,
982 if (view->document == NULL)
989 for (i = view->start_page; i <= view->end_page; i++) {
990 GdkRectangle page_area;
993 if (! get_page_extents (view, i, &page_area, &border))
996 if ((x >= page_area.x + border.left) &&
997 (x < page_area.x + page_area.width - border.right) &&
998 (y >= page_area.y + border.top) &&
999 (y < page_area.y + page_area.height - border.bottom)) {
1001 *x_offset = x - (page_area.x + border.left);
1002 *y_offset = y - (page_area.y + border.top);
1011 location_in_text (EvView *view,
1017 gint x_offset = 0, y_offset = 0;
1019 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1024 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
1027 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1033 ev_view_get_width (EvView *view)
1035 return GTK_WIDGET (view)->allocation.width;
1039 ev_view_get_height (EvView *view)
1041 return GTK_WIDGET (view)->allocation.height;
1045 location_in_selected_text (EvView *view,
1050 gint x_offset = 0, y_offset = 0;
1051 EvViewSelection *selection;
1054 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1055 selection = (EvViewSelection *)l->data;
1057 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1059 if (page != selection->page)
1062 if (selection->covered_region &&
1063 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1071 get_doc_point_from_offset (EvView *view,
1081 ev_page_cache_get_size (view->page_cache, page,
1086 x_offset = x_offset / view->scale;
1087 y_offset = y_offset / view->scale;
1089 if (view->rotation == 0) {
1092 } else if (view->rotation == 90) {
1094 y = width - x_offset;
1095 } else if (view->rotation == 180) {
1096 x = width - x_offset;
1097 y = height - y_offset;
1098 } else if (view->rotation == 270) {
1099 x = height - y_offset;
1102 g_assert_not_reached ();
1113 ev_view_get_link_at_location (EvView *view,
1118 gint x_offset = 0, y_offset = 0;
1119 gint x_new = 0, y_new = 0;
1120 GList *link_mapping;
1122 if (!EV_IS_DOCUMENT_LINKS (view->document))
1125 x += view->scroll_x;
1126 y += view->scroll_y;
1128 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1134 if (get_doc_point_from_offset (view, page, x_offset,
1135 y_offset, &x_new, &y_new) == FALSE)
1138 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1141 return ev_link_mapping_find (link_mapping, x_new, y_new);
1147 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1150 gdouble zoom, left, top;
1151 gboolean change_left, change_top;
1153 left = ev_link_dest_get_left (dest, &change_left);
1154 top = ev_link_dest_get_top (dest, &change_top);
1156 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - left,
1157 ev_link_dest_get_bottom (dest) - top,
1158 ev_view_get_width (view),
1159 ev_view_get_height (view), 0, 0);
1161 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1162 ev_view_set_zoom (view, zoom, FALSE);
1164 doc_point.x = change_left ? left : 0;
1165 doc_point.y = change_top ? top : 0;
1167 view->current_page = ev_link_dest_get_page (dest);
1168 if (change_left || change_top)
1169 view->pending_point = doc_point;
1170 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1172 gtk_widget_queue_resize (GTK_WIDGET (view));
1176 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1179 int doc_width, doc_height, page;
1181 gboolean change_left;
1183 page = ev_link_dest_get_page (dest);
1184 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1186 left = ev_link_dest_get_left (dest, &change_left);
1187 doc_point.x = change_left ? left : 0;
1190 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1191 ev_view_get_width (view),
1192 ev_view_get_height (view), 0);
1194 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1195 ev_view_set_zoom (view, zoom, FALSE);
1197 view->current_page = page;
1199 view->pending_point = doc_point;
1200 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1202 gtk_widget_queue_resize (GTK_WIDGET (view));
1206 goto_fith_dest (EvView *view, EvLinkDest *dest)
1209 int doc_width, doc_height, page;
1211 gboolean change_top;
1213 page = ev_link_dest_get_page (dest);
1214 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1216 top = ev_link_dest_get_top (dest, &change_top);
1219 doc_point.y = change_top ? top : 0;
1221 zoom = zoom_for_size_fit_width (doc_width, top,
1222 ev_view_get_width (view),
1223 ev_view_get_height (view), 0);
1225 ev_view_set_sizing_mode (view, EV_SIZING_FIT_WIDTH);
1226 ev_view_set_zoom (view, zoom, FALSE);
1228 view->current_page = page;
1230 view->pending_point = doc_point;
1231 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1233 gtk_widget_queue_resize (GTK_WIDGET (view));
1237 goto_fit_dest (EvView *view, EvLinkDest *dest)
1240 int doc_width, doc_height;
1243 page = ev_link_dest_get_page (dest);
1244 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1246 zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view),
1247 ev_view_get_height (view), 0, 0);
1249 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
1250 ev_view_set_zoom (view, zoom, FALSE);
1252 view->current_page = page;
1253 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1255 gtk_widget_queue_resize (GTK_WIDGET (view));
1259 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1263 gdouble zoom, left, top;
1264 gboolean change_zoom, change_left, change_top;
1266 zoom = ev_link_dest_get_zoom (dest, &change_zoom);
1267 page = ev_link_dest_get_page (dest);
1269 if (change_zoom && zoom > 1) {
1270 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1271 ev_view_set_zoom (view, zoom, FALSE);
1274 left = ev_link_dest_get_left (dest, &change_left);
1275 top = ev_link_dest_get_top (dest, &change_top);
1277 doc_point.x = change_left ? left : 0;
1278 doc_point.y = change_top ? top : 0;
1280 view->current_page = page;
1281 if (change_left || change_top)
1282 view->pending_point = doc_point;
1283 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1285 gtk_widget_queue_resize (GTK_WIDGET (view));
1289 goto_dest (EvView *view, EvLinkDest *dest)
1291 EvLinkDestType type;
1292 int page, n_pages, current_page;
1294 page = ev_link_dest_get_page (dest);
1295 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1297 if (page < 0 || page >= n_pages)
1300 current_page = view->current_page;
1302 type = ev_link_dest_get_dest_type (dest);
1305 case EV_LINK_DEST_TYPE_PAGE:
1306 ev_page_cache_set_current_page (view->page_cache, page);
1308 case EV_LINK_DEST_TYPE_FIT:
1309 goto_fit_dest (view, dest);
1311 case EV_LINK_DEST_TYPE_FITH:
1312 goto_fith_dest (view, dest);
1314 case EV_LINK_DEST_TYPE_FITV:
1315 goto_fitv_dest (view, dest);
1317 case EV_LINK_DEST_TYPE_FITR:
1318 goto_fitr_dest (view, dest);
1320 case EV_LINK_DEST_TYPE_XYZ:
1321 goto_xyz_dest (view, dest);
1323 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1324 ev_page_cache_set_page_label (view->page_cache, ev_link_dest_get_page_label (dest));
1327 g_assert_not_reached ();
1330 if (current_page != view->current_page)
1331 ev_page_cache_set_current_page (view->page_cache,
1332 view->current_page);
1336 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1338 EvLinkDestType type;
1340 type = ev_link_dest_get_dest_type (dest);
1342 if (type == EV_LINK_DEST_TYPE_NAMED) {
1344 const gchar *named_dest;
1346 named_dest = ev_link_dest_get_named_dest (dest);
1347 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1350 goto_dest (view, dest2);
1351 g_object_unref (dest2);
1357 goto_dest (view, dest);
1361 ev_view_handle_link (EvView *view, EvLink *link)
1363 EvLinkAction *action = NULL;
1364 EvLinkActionType type;
1366 action = ev_link_get_action (link);
1370 type = ev_link_action_get_action_type (action);
1373 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1376 g_signal_emit (view, signals[SIGNAL_HANDLE_LINK], 0, link);
1378 dest = ev_link_action_get_dest (action);
1379 ev_view_goto_dest (view, dest);
1382 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1383 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1384 case EV_LINK_ACTION_TYPE_LAUNCH:
1385 case EV_LINK_ACTION_TYPE_NAMED:
1386 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1392 ev_view_page_label_from_dest (EvView *view, EvLinkDest *dest)
1394 EvLinkDestType type;
1397 type = ev_link_dest_get_dest_type (dest);
1400 case EV_LINK_DEST_TYPE_NAMED: {
1402 const gchar *named_dest;
1404 named_dest = ev_link_dest_get_named_dest (dest);
1405 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1408 msg = ev_page_cache_get_page_label (view->page_cache,
1409 ev_link_dest_get_page (dest2));
1410 g_object_unref (dest2);
1415 case EV_LINK_DEST_TYPE_PAGE_LABEL: {
1416 msg = g_strdup (ev_link_dest_get_page_label (dest));
1420 msg = ev_page_cache_get_page_label (view->page_cache,
1421 ev_link_dest_get_page (dest));
1428 tip_from_action_named (EvLinkAction *action)
1430 const gchar *name = ev_link_action_get_name (action);
1432 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1433 return g_strdup (_("Go to first page"));
1434 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1435 return g_strdup (_("Go to previous page"));
1436 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1437 return g_strdup (_("Go to next page"));
1438 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1439 return g_strdup (_("Go to last page"));
1440 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1441 return g_strdup (_("Go to page"));
1442 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1443 return g_strdup (_("Find"));
1450 tip_from_link (EvView *view, EvLink *link)
1452 EvLinkAction *action;
1453 EvLinkActionType type;
1458 action = ev_link_get_action (link);
1459 title = ev_link_get_title (link);
1462 return title ? g_strdup (title) : NULL;
1464 type = ev_link_action_get_action_type (action);
1467 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1468 page_label = ev_view_page_label_from_dest (view,
1469 ev_link_action_get_dest (action));
1471 msg = g_strdup_printf (_("Go to page %s"), page_label);
1472 g_free (page_label);
1475 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1477 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1478 ev_link_action_get_filename (action));
1480 msg = g_strdup_printf (_("Go to file “%s”"),
1481 ev_link_action_get_filename (action));
1484 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1485 msg = g_strdup (ev_link_action_get_uri (action));
1487 case EV_LINK_ACTION_TYPE_LAUNCH:
1488 msg = g_strdup_printf (_("Launch %s"),
1489 ev_link_action_get_filename (action));
1491 case EV_LINK_ACTION_TYPE_NAMED:
1492 msg = tip_from_action_named (action);
1496 msg = g_strdup (title);
1504 ev_view_handle_cursor_over_xy (EvView *view, gint x, gint y)
1509 if (view->cursor == EV_VIEW_CURSOR_HIDDEN)
1512 if (view->drag_info.in_drag) {
1513 if (view->cursor != EV_VIEW_CURSOR_DRAG)
1514 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1518 if (view->scroll_info.autoscrolling) {
1519 if (view->cursor != EV_VIEW_CURSOR_AUTOSCROLL)
1520 ev_view_set_cursor (view, EV_VIEW_CURSOR_AUTOSCROLL);
1524 link = ev_view_get_link_at_location (view, x, y);
1526 g_object_set (view, "has-tooltip", TRUE, NULL);
1527 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1528 } else if ((field = ev_view_get_form_field_at_location (view, x, y))) {
1529 if (field->is_read_only) {
1530 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1531 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1532 view->cursor == EV_VIEW_CURSOR_DRAG)
1533 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1534 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
1535 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1537 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1539 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1540 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1542 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1543 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1544 view->cursor == EV_VIEW_CURSOR_DRAG ||
1545 view->cursor == EV_VIEW_CURSOR_AUTOSCROLL)
1546 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1552 ev_view_get_image_at_location (EvView *view,
1557 gint x_offset = 0, y_offset = 0;
1558 gint x_new = 0, y_new = 0;
1559 GList *image_mapping;
1561 if (!EV_IS_DOCUMENT_IMAGES (view->document))
1564 x += view->scroll_x;
1565 y += view->scroll_y;
1567 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1572 if (get_doc_point_from_offset (view, page, x_offset,
1573 y_offset, &x_new, &y_new) == FALSE)
1576 image_mapping = ev_pixbuf_cache_get_image_mapping (view->pixbuf_cache, page);
1579 return ev_image_mapping_find (image_mapping, x_new, y_new);
1585 static EvFormField *
1586 ev_view_get_form_field_at_location (EvView *view,
1591 gint x_offset = 0, y_offset = 0;
1592 gint x_new = 0, y_new = 0;
1593 GList *forms_mapping;
1595 if (!EV_IS_DOCUMENT_FORMS (view->document))
1598 x += view->scroll_x;
1599 y += view->scroll_y;
1601 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1606 if (get_doc_point_from_offset (view, page, x_offset,
1607 y_offset, &x_new, &y_new) == FALSE)
1610 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, page);
1613 return ev_form_field_mapping_find (forms_mapping, x_new, y_new);
1619 ev_view_form_field_get_region (EvView *view,
1622 EvRectangle field_area;
1623 GdkRectangle view_area;
1624 GList *forms_mapping;
1626 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
1627 field->page->index);
1628 ev_form_field_mapping_get_area (forms_mapping, field, &field_area);
1629 doc_rect_to_view_rect (view, field->page->index, &field_area, &view_area);
1630 view_area.x -= view->scroll_x;
1631 view_area.y -= view->scroll_y;
1633 return gdk_region_rectangle (&view_area);
1637 ev_view_forms_remove_widgets (EvView *view)
1639 ev_view_remove_all (view);
1645 ev_view_form_field_destroy (GtkWidget *widget,
1648 g_idle_add ((GSourceFunc)ev_view_forms_remove_widgets, view);
1652 ev_view_form_field_button_create_widget (EvView *view,
1655 EvFormFieldButton *field_button = EV_FORM_FIELD_BUTTON (field);
1656 GdkRegion *field_region = NULL;
1658 switch (field_button->type) {
1659 case EV_FORM_FIELD_BUTTON_PUSH:
1661 case EV_FORM_FIELD_BUTTON_CHECK:
1662 case EV_FORM_FIELD_BUTTON_RADIO: {
1664 GList *forms_mapping, *l;
1666 state = ev_document_forms_form_field_button_get_state (EV_DOCUMENT_FORMS (view->document),
1669 /* FIXME: it actually depends on NoToggleToOff flags */
1670 if (field_button->type == EV_FORM_FIELD_BUTTON_RADIO &&
1671 state && field_button->state)
1674 field_region = ev_view_form_field_get_region (view, field);
1676 /* For radio buttons and checkbox buttons that are in a set
1677 * we need to update also the region for the current selected item
1679 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
1680 field->page->index);
1681 for (l = forms_mapping; l; l = g_list_next (l)) {
1682 EvFormField *button = ((EvFormFieldMapping *)(l->data))->field;
1683 GdkRegion *button_region;
1685 if (button->id == field->id)
1688 /* FIXME: only buttons in the same group should be updated */
1689 if (!EV_IS_FORM_FIELD_BUTTON (button) ||
1690 EV_FORM_FIELD_BUTTON (button)->type != field_button->type ||
1691 EV_FORM_FIELD_BUTTON (button)->state != TRUE)
1694 button_region = ev_view_form_field_get_region (view, button);
1695 gdk_region_union (field_region, button_region);
1696 gdk_region_destroy (button_region);
1699 ev_document_forms_form_field_button_set_state (EV_DOCUMENT_FORMS (view->document),
1701 field_button->state = !state;
1706 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
1711 gdk_region_destroy (field_region);
1717 ev_view_form_field_text_save (EvView *view,
1722 if (!view->document)
1725 field = g_object_get_data (G_OBJECT (widget), "form-field");
1727 if (field->changed) {
1728 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1729 GdkRegion *field_region;
1731 field_region = ev_view_form_field_get_region (view, field);
1733 ev_document_forms_form_field_text_set_text (EV_DOCUMENT_FORMS (view->document),
1734 field, field_text->text);
1735 field->changed = FALSE;
1736 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
1741 gdk_region_destroy (field_region);
1746 ev_view_form_field_text_changed (GtkWidget *widget,
1749 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1752 if (GTK_IS_ENTRY (widget)) {
1753 text = g_strdup (gtk_entry_get_text (GTK_ENTRY (widget)));
1754 } else if (GTK_IS_TEXT_BUFFER (widget)) {
1755 GtkTextIter start, end;
1757 gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (widget), &start, &end);
1758 text = gtk_text_buffer_get_text (GTK_TEXT_BUFFER (widget),
1759 &start, &end, FALSE);
1762 if (!field_text->text ||
1763 (field_text->text && g_ascii_strcasecmp (field_text->text, text) != 0)) {
1764 g_free (field_text->text);
1765 field_text->text = text;
1766 field->changed = TRUE;
1771 ev_view_form_field_text_create_widget (EvView *view,
1774 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1775 GtkWidget *text = NULL;
1778 txt = ev_document_forms_form_field_text_get_text (EV_DOCUMENT_FORMS (view->document),
1781 switch (field_text->type) {
1782 case EV_FORM_FIELD_TEXT_FILE_SELECT:
1784 case EV_FORM_FIELD_TEXT_NORMAL:
1785 text = gtk_entry_new ();
1786 gtk_entry_set_has_frame (GTK_ENTRY (text), FALSE);
1787 gtk_entry_set_max_length (GTK_ENTRY (text), field_text->max_len);
1788 gtk_entry_set_visibility (GTK_ENTRY (text), !field_text->is_password);
1791 gtk_entry_set_text (GTK_ENTRY (text), txt);
1795 g_signal_connect (G_OBJECT (text), "changed",
1796 G_CALLBACK (ev_view_form_field_text_changed),
1798 g_signal_connect_after (G_OBJECT (text), "activate",
1799 G_CALLBACK (ev_view_form_field_destroy),
1802 case EV_FORM_FIELD_TEXT_MULTILINE: {
1803 GtkTextBuffer *buffer;
1805 text = gtk_text_view_new ();
1806 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text));
1809 gtk_text_buffer_set_text (buffer, txt, -1);
1813 g_signal_connect (G_OBJECT (buffer), "changed",
1814 G_CALLBACK (ev_view_form_field_text_changed),
1820 g_object_weak_ref (G_OBJECT (text),
1821 (GWeakNotify)ev_view_form_field_text_save,
1828 ev_view_form_field_choice_save (EvView *view,
1833 if (!view->document)
1836 field = g_object_get_data (G_OBJECT (widget), "form-field");
1838 if (field->changed) {
1840 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
1841 GdkRegion *field_region;
1843 field_region = ev_view_form_field_get_region (view, field);
1845 if (field_choice->is_editable) {
1846 ev_document_forms_form_field_choice_set_text (EV_DOCUMENT_FORMS (view->document),
1847 field, field_choice->text);
1849 ev_document_forms_form_field_choice_unselect_all (EV_DOCUMENT_FORMS (view->document), field);
1850 for (l = field_choice->selected_items; l; l = g_list_next (l)) {
1851 ev_document_forms_form_field_choice_select_item (EV_DOCUMENT_FORMS (view->document),
1853 GPOINTER_TO_INT (l->data));
1856 field->changed = FALSE;
1857 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
1862 gdk_region_destroy (field_region);
1867 ev_view_form_field_choice_changed (GtkWidget *widget,
1870 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
1872 if (GTK_IS_COMBO_BOX (widget)) {
1875 item = gtk_combo_box_get_active (GTK_COMBO_BOX (widget));
1876 if (!field_choice->selected_items ||
1877 GPOINTER_TO_INT (field_choice->selected_items->data) != item) {
1878 g_list_free (field_choice->selected_items);
1879 field_choice->selected_items = NULL;
1880 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1881 GINT_TO_POINTER (item));
1882 field->changed = TRUE;
1885 if (GTK_IS_COMBO_BOX_ENTRY (widget)) {
1888 text = gtk_combo_box_get_active_text (GTK_COMBO_BOX (widget));
1889 if (!field_choice->text ||
1890 (field_choice->text && g_ascii_strcasecmp (field_choice->text, text) != 0)) {
1891 g_free (field_choice->text);
1892 field_choice->text = text;
1893 field->changed = TRUE;
1896 } else if (GTK_IS_TREE_SELECTION (widget)) {
1897 GtkTreeSelection *selection = GTK_TREE_SELECTION (widget);
1898 GtkTreeModel *model;
1901 items = gtk_tree_selection_get_selected_rows (selection, &model);
1902 g_list_free (field_choice->selected_items);
1903 field_choice->selected_items = NULL;
1905 for (l = items; l && l->data; l = g_list_next (l)) {
1907 GtkTreePath *path = (GtkTreePath *)l->data;
1910 gtk_tree_model_get_iter (model, &iter, path);
1911 gtk_tree_model_get (model, &iter, 1, &item, -1);
1913 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1914 GINT_TO_POINTER (item));
1916 gtk_tree_path_free (path);
1919 g_list_free (items);
1921 field->changed = TRUE;
1926 ev_view_form_field_choice_create_widget (EvView *view,
1929 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
1931 GtkTreeModel *model;
1933 gint selected_item = 0;
1935 n_items = ev_document_forms_form_field_choice_get_n_items (EV_DOCUMENT_FORMS (view->document),
1937 model = GTK_TREE_MODEL (gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT));
1938 for (i = 0; i < n_items; i++) {
1942 item = ev_document_forms_form_field_choice_get_item (EV_DOCUMENT_FORMS (view->document),
1944 if (ev_document_forms_form_field_choice_is_item_selected (
1945 EV_DOCUMENT_FORMS (view->document), field, i)) {
1947 /* FIXME: we need a get_selected_items function in poppler */
1948 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1949 GINT_TO_POINTER (i));
1953 gtk_list_store_append (GTK_LIST_STORE (model), &iter);
1954 gtk_list_store_set (GTK_LIST_STORE (model), &iter,
1962 if (field_choice->type == EV_FORM_FIELD_CHOICE_LIST) {
1963 GtkCellRenderer *renderer;
1964 GtkWidget *tree_view;
1965 GtkTreeSelection *selection;
1967 tree_view = gtk_tree_view_new_with_model (model);
1968 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);
1970 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
1971 if (field_choice->multi_select) {
1972 gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
1975 /* TODO: set selected items */
1977 renderer = gtk_cell_renderer_text_new ();
1978 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
1984 choice = gtk_scrolled_window_new (NULL, NULL);
1985 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (choice),
1986 GTK_POLICY_AUTOMATIC,
1987 GTK_POLICY_AUTOMATIC);
1988 gtk_container_add (GTK_CONTAINER (choice), tree_view);
1989 gtk_widget_show (tree_view);
1991 g_signal_connect (G_OBJECT (selection), "changed",
1992 G_CALLBACK (ev_view_form_field_choice_changed),
1994 g_signal_connect_after (G_OBJECT (selection), "changed",
1995 G_CALLBACK (ev_view_form_field_destroy),
1997 } else if (field_choice->is_editable) { /* ComboBoxEntry */
2000 choice = gtk_combo_box_entry_new_with_model (model, 0);
2001 text = ev_document_forms_form_field_choice_get_text (EV_DOCUMENT_FORMS (view->document), field);
2003 gtk_entry_set_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (choice))), text);
2007 g_signal_connect (G_OBJECT (choice), "changed",
2008 G_CALLBACK (ev_view_form_field_choice_changed),
2010 g_signal_connect_after (G_OBJECT (GTK_BIN (choice)->child), "activate",
2011 G_CALLBACK (ev_view_form_field_destroy),
2013 } else { /* ComboBoxText */
2014 GtkCellRenderer *renderer;
2016 choice = gtk_combo_box_new_with_model (model);
2017 renderer = gtk_cell_renderer_text_new ();
2018 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (choice),
2020 gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (choice),
2024 gtk_combo_box_set_active (GTK_COMBO_BOX (choice), selected_item);
2025 gtk_combo_box_popup (GTK_COMBO_BOX (choice));
2027 g_signal_connect (G_OBJECT (choice), "changed",
2028 G_CALLBACK (ev_view_form_field_choice_changed),
2030 g_signal_connect_after (G_OBJECT (choice), "changed",
2031 G_CALLBACK (ev_view_form_field_destroy),
2035 g_object_unref (model);
2037 g_object_weak_ref (G_OBJECT (choice),
2038 (GWeakNotify)ev_view_form_field_choice_save,
2045 ev_view_handle_form_field (EvView *view,
2050 GtkWidget *field_widget = NULL;
2051 GList *form_field_mapping;
2052 EvRectangle field_area;
2053 GdkRectangle view_area;
2055 if (field->is_read_only)
2058 if (EV_IS_FORM_FIELD_BUTTON (field)) {
2059 field_widget = ev_view_form_field_button_create_widget (view, field);
2060 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
2061 field_widget = ev_view_form_field_text_create_widget (view, field);
2062 } else if (EV_IS_FORM_FIELD_CHOICE (field)) {
2063 field_widget = ev_view_form_field_choice_create_widget (view, field);
2064 } else if (EV_IS_FORM_FIELD_SIGNATURE (field)) {
2068 /* Form field doesn't require a widget */
2072 g_object_set_data_full (G_OBJECT (field_widget), "form-field",
2073 g_object_ref (field),
2074 (GDestroyNotify)g_object_unref);
2076 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, field->page->index);
2077 ev_form_field_mapping_get_area (form_field_mapping, field, &field_area);
2079 doc_rect_to_view_rect (view, field->page->index, &field_area, &view_area);
2080 view_area.x -= view->scroll_x;
2081 view_area.y -= view->scroll_y;
2083 gtk_layout_put (GTK_LAYOUT (view), field_widget, view_area.x, view_area.y);
2084 gtk_widget_show (field_widget);
2085 gtk_widget_grab_focus (field_widget);
2088 /*** GtkWidget implementation ***/
2091 ev_view_size_request_continuous_dual_page (EvView *view,
2092 GtkRequisition *requisition)
2098 ev_page_cache_get_max_width (view->page_cache, view->rotation,
2099 view->scale, &max_width);
2100 compute_border (view, max_width, max_width, &border);
2102 n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1;
2104 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
2105 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
2107 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2108 requisition->width = 1;
2109 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2110 requisition->width = 1;
2111 /* FIXME: This could actually be set on one page docs or docs
2112 * with a strange aspect ratio. */
2113 /* requisition->height = 1;*/
2118 ev_view_size_request_continuous (EvView *view,
2119 GtkRequisition *requisition)
2126 ev_page_cache_get_max_width (view->page_cache, view->rotation,
2127 view->scale, &max_width);
2128 n_pages = ev_page_cache_get_n_pages (view->page_cache);
2129 compute_border (view, max_width, max_width, &border);
2131 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
2132 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
2134 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2135 requisition->width = 1;
2136 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2137 requisition->width = 1;
2138 /* FIXME: This could actually be set on one page docs or docs
2139 * with a strange aspect ratio. */
2140 /* requisition->height = 1;*/
2145 ev_view_size_request_dual_page (EvView *view,
2146 GtkRequisition *requisition)
2151 /* Find the largest of the two. */
2152 ev_page_cache_get_size (view->page_cache,
2157 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) {
2158 gint width_2, height_2;
2159 ev_page_cache_get_size (view->page_cache,
2160 view->current_page + 1,
2163 &width_2, &height_2);
2164 if (width_2 > width) {
2169 compute_border (view, width, height, &border);
2171 requisition->width = ((width + border.left + border.right) * 2) +
2172 (view->spacing * 3);
2173 requisition->height = (height + border.top + border.bottom) +
2174 (view->spacing * 2);
2176 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2177 requisition->width = 1;
2178 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2179 requisition->width = 1;
2180 requisition->height = 1;
2185 ev_view_size_request_single_page (EvView *view,
2186 GtkRequisition *requisition)
2191 ev_page_cache_get_size (view->page_cache,
2196 compute_border (view, width, height, &border);
2198 requisition->width = width + border.left + border.right + (2 * view->spacing);
2199 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2201 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2202 requisition->width = 1;
2203 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2204 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2205 requisition->width = 1;
2206 requisition->height = 1;
2211 ev_view_size_request (GtkWidget *widget,
2212 GtkRequisition *requisition)
2214 EvView *view = EV_VIEW (widget);
2216 if (view->document == NULL) {
2217 requisition->width = 1;
2218 requisition->height = 1;
2222 if (view->presentation) {
2223 requisition->width = 1;
2224 requisition->height = 1;
2228 if (view->continuous && view->dual_page)
2229 ev_view_size_request_continuous_dual_page (view, requisition);
2230 else if (view->continuous)
2231 ev_view_size_request_continuous (view, requisition);
2232 else if (view->dual_page)
2233 ev_view_size_request_dual_page (view, requisition);
2235 ev_view_size_request_single_page (view, requisition);
2239 ev_view_size_allocate (GtkWidget *widget,
2240 GtkAllocation *allocation)
2242 EvView *view = EV_VIEW (widget);
2243 GList *children, *l;
2245 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
2247 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2248 view->sizing_mode == EV_SIZING_BEST_FIT) {
2250 g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0);
2252 ev_view_size_request (widget, &widget->requisition);
2255 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
2256 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
2259 view_update_range_and_current_page (view);
2261 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2262 view->pending_resize = FALSE;
2264 children = gtk_container_get_children (GTK_CONTAINER (widget));
2265 for (l = children; l && l->data; l = g_list_next (l)) {
2267 EvRectangle field_area;
2268 GdkRectangle view_area;
2269 GList *form_field_mapping;
2270 GtkAllocation child_allocation;
2271 GtkRequisition child_requisition;
2272 GtkWidget *child = (GtkWidget *)l->data;
2274 field = g_object_get_data (G_OBJECT (child), "form-field");
2278 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
2279 field->page->index);
2280 ev_form_field_mapping_get_area (form_field_mapping, field, &field_area);
2282 doc_rect_to_view_rect (view, field->page->index, &field_area, &view_area);
2283 view_area.x -= view->scroll_x;
2284 view_area.y -= view->scroll_y;
2286 gtk_widget_size_request (child, &child_requisition);
2287 if (child_requisition.width != view_area.width ||
2288 child_requisition.height != view_area.height)
2289 gtk_widget_set_size_request (child, view_area.width, view_area.height);
2291 gtk_container_child_get (GTK_CONTAINER (widget),
2293 "x", &child_allocation.x,
2294 "y", &child_allocation.y,
2296 if (child_allocation.x != view_area.x ||
2297 child_allocation.y != view_area.y) {
2298 gtk_layout_move (GTK_LAYOUT (widget), child, view_area.x, view_area.y);
2301 g_list_free (children);
2305 ev_view_realize (GtkWidget *widget)
2307 EvView *view = EV_VIEW (widget);
2309 if (GTK_WIDGET_CLASS (ev_view_parent_class)->realize)
2310 (* GTK_WIDGET_CLASS (ev_view_parent_class)->realize) (widget);
2312 gdk_window_set_events (view->layout.bin_window,
2313 (gdk_window_get_events (view->layout.bin_window) |
2315 GDK_BUTTON_PRESS_MASK |
2316 GDK_BUTTON_RELEASE_MASK |
2318 GDK_KEY_PRESS_MASK |
2319 GDK_POINTER_MOTION_MASK |
2320 GDK_POINTER_MOTION_HINT_MASK |
2321 GDK_ENTER_NOTIFY_MASK |
2322 GDK_LEAVE_NOTIFY_MASK));
2324 if (view->presentation)
2325 gdk_window_set_background (view->layout.bin_window, &widget->style->black);
2327 gdk_window_set_background (view->layout.bin_window, &widget->style->mid [GTK_STATE_NORMAL]);
2331 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
2333 EvView *view = EV_VIEW (widget);
2336 state = event->state & gtk_accelerator_get_default_mod_mask ();
2338 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
2339 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
2341 if (event->direction == GDK_SCROLL_UP ||
2342 event->direction == GDK_SCROLL_LEFT) {
2343 if (ev_view_can_zoom_in (view)) {
2344 ev_view_zoom_in (view);
2347 if (ev_view_can_zoom_out (view)) {
2348 ev_view_zoom_out (view);
2355 view->jump_to_find_result = FALSE;
2357 /* Shift+Wheel scrolls the in the perpendicular direction */
2358 if (state & GDK_SHIFT_MASK) {
2359 if (event->direction == GDK_SCROLL_UP)
2360 event->direction = GDK_SCROLL_LEFT;
2361 else if (event->direction == GDK_SCROLL_LEFT)
2362 event->direction = GDK_SCROLL_UP;
2363 else if (event->direction == GDK_SCROLL_DOWN)
2364 event->direction = GDK_SCROLL_RIGHT;
2365 else if (event->direction == GDK_SCROLL_RIGHT)
2366 event->direction = GDK_SCROLL_DOWN;
2368 event->state &= ~GDK_SHIFT_MASK;
2369 state &= ~GDK_SHIFT_MASK;
2372 if (state == 0 && view->presentation) {
2373 switch (event->direction) {
2374 case GDK_SCROLL_DOWN:
2375 case GDK_SCROLL_RIGHT:
2376 ev_view_next_page (view);
2379 case GDK_SCROLL_LEFT:
2380 ev_view_previous_page (view);
2390 static EvViewSelection *
2391 find_selection_for_page (EvView *view,
2396 for (list = view->selection_info.selections; list != NULL; list = list->next) {
2397 EvViewSelection *selection;
2399 selection = (EvViewSelection *) list->data;
2401 if (selection->page == page)
2409 draw_end_presentation_page (EvView *view,
2410 GdkRectangle *page_area)
2412 PangoLayout *layout;
2413 PangoFontDescription *font_desc;
2415 const gchar *text = _("End of presentation. Press Escape to exit.");
2417 if (view->presentation_state != EV_PRESENTATION_END)
2420 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), NULL);
2421 markup = g_strdup_printf ("<span foreground=\"white\">%s</span>", text);
2422 pango_layout_set_markup (layout, markup, -1);
2425 font_desc = pango_font_description_new ();
2426 pango_font_description_set_size (font_desc, 16 * PANGO_SCALE);
2427 pango_layout_set_font_description (layout, font_desc);
2429 gtk_paint_layout (GTK_WIDGET (view)->style,
2430 view->layout.bin_window,
2431 GTK_WIDGET_STATE (view),
2440 pango_font_description_free (font_desc);
2441 g_object_unref (layout);
2445 ev_view_expose_event (GtkWidget *widget,
2446 GdkEventExpose *event)
2448 EvView *view = EV_VIEW (widget);
2452 if (view->animation && ev_transition_animation_ready (view->animation)) {
2453 GdkRectangle page_area;
2456 if (get_page_extents (view, view->current_page, &page_area, &border)) {
2457 cr = gdk_cairo_create (view->layout.bin_window);
2459 /* normalize to x=0, y=0 */
2460 cairo_translate (cr, page_area.x, page_area.y);
2461 page_area.x = page_area.y = 0;
2463 ev_transition_animation_paint (view->animation, cr, page_area);
2470 if (view->presentation) {
2471 switch (view->presentation_state) {
2472 case EV_PRESENTATION_END: {
2473 GdkRectangle area = {0};
2475 area.width = widget->allocation.width;
2476 area.height = widget->allocation.height;
2478 draw_end_presentation_page (view, &area);
2481 case EV_PRESENTATION_BLACK:
2482 case EV_PRESENTATION_WHITE:
2484 case EV_PRESENTATION_NORMAL:
2488 } else if (view->loading) {
2489 GdkRectangle area = {0};
2491 area.width = widget->allocation.width;
2492 area.height = widget->allocation.height;
2494 draw_loading_text (view,
2499 if (view->document == NULL)
2502 cr = gdk_cairo_create (view->layout.bin_window);
2504 for (i = view->start_page; i <= view->end_page; i++) {
2505 GdkRectangle page_area;
2507 gboolean page_ready = TRUE;
2509 if (!get_page_extents (view, i, &page_area, &border))
2512 page_area.x -= view->scroll_x;
2513 page_area.y -= view->scroll_y;
2515 draw_one_page (view, i, cr, &page_area, &border, &(event->area), &page_ready);
2517 if (page_ready && view->find_pages && view->highlight_find_results)
2518 highlight_find_results (view, i);
2523 if (GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event)
2524 (* GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) (widget, event);
2530 ev_view_do_popup_menu (EvView *view,
2537 image = ev_view_get_image_at_location (view, x, y);
2539 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, image);
2543 link = ev_view_get_link_at_location (view, x, y);
2545 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
2549 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, NULL);
2555 ev_view_popup_menu (GtkWidget *widget)
2559 gtk_widget_get_pointer (widget, &x, &y);
2560 return ev_view_do_popup_menu (EV_VIEW (widget), x, y);
2564 get_link_area (EvView *view,
2570 EvRectangle ev_rect;
2571 GList *link_mapping;
2573 gint x_offset = 0, y_offset = 0;
2575 x += view->scroll_x;
2576 y += view->scroll_y;
2578 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
2580 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
2581 ev_link_mapping_get_area (link_mapping, link, &ev_rect);
2583 doc_rect_to_view_rect (view, page, &ev_rect, area);
2584 area->y -= view->scroll_y ;
2588 ev_view_query_tooltip (GtkWidget *widget,
2591 gboolean keyboard_tip,
2592 GtkTooltip *tooltip)
2594 EvView *view = EV_VIEW (widget);
2598 link = ev_view_get_link_at_location (view, x, y);
2602 text = tip_from_link (view, link);
2603 if (text && g_utf8_validate (text, -1, NULL)) {
2604 GdkRectangle link_area;
2606 get_link_area (view, x, y, link, &link_area);
2607 gtk_tooltip_set_text (tooltip, text);
2608 gtk_tooltip_set_tip_area (tooltip, &link_area);
2616 start_selection_for_event (EvView *view,
2617 GdkEventButton *event)
2619 EvSelectionStyle style;
2621 clear_selection (view);
2623 view->selection_info.start.x = event->x + view->scroll_x;
2624 view->selection_info.start.y = event->y + view->scroll_y;
2626 switch (event->type) {
2627 case GDK_2BUTTON_PRESS:
2628 style = EV_SELECTION_STYLE_WORD;
2630 case GDK_3BUTTON_PRESS:
2631 style = EV_SELECTION_STYLE_LINE;
2634 style = EV_SELECTION_STYLE_GLYPH;
2638 view->selection_info.style = style;
2642 ev_view_button_press_event (GtkWidget *widget,
2643 GdkEventButton *event)
2645 EvView *view = EV_VIEW (widget);
2647 if (!view->document)
2650 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
2651 gtk_widget_grab_focus (widget);
2654 view->pressed_button = event->button;
2655 view->selection_info.in_drag = FALSE;
2657 if (view->scroll_info.autoscrolling)
2660 switch (event->button) {
2665 if (EV_IS_SELECTION (view->document) && view->selection_info.selections) {
2666 if (event->type == GDK_3BUTTON_PRESS) {
2667 start_selection_for_event (view, event);
2668 } else if (location_in_selected_text (view,
2669 event->x + view->scroll_x,
2670 event->y + view->scroll_y)) {
2671 view->selection_info.in_drag = TRUE;
2673 start_selection_for_event (view, event);
2676 gtk_widget_queue_draw (widget);
2677 } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) {
2678 ev_view_remove_all (view);
2679 ev_view_handle_form_field (view, field, event->x, event->y);
2680 } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) &&
2681 (image = ev_view_get_image_at_location (view, event->x, event->y))) {
2682 if (view->image_dnd_info.image)
2683 g_object_unref (view->image_dnd_info.image);
2684 view->image_dnd_info.image = g_object_ref (image);
2685 view->image_dnd_info.in_drag = TRUE;
2687 view->image_dnd_info.start.x = event->x + view->scroll_x;
2688 view->image_dnd_info.start.y = event->y + view->scroll_y;
2690 ev_view_remove_all (view);
2692 if (EV_IS_SELECTION (view->document))
2693 start_selection_for_event (view, event);
2698 /* use root coordinates as reference point because
2699 * scrolling changes window relative coordinates */
2700 view->drag_info.start.x = event->x_root;
2701 view->drag_info.start.y = event->y_root;
2702 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
2703 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
2705 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
2709 view->scroll_info.start_y = event->y;
2710 return ev_view_do_popup_menu (view, event->x, event->y);
2717 ev_view_remove_all (EvView *view)
2719 GList *children, *child;
2721 children = gtk_container_get_children (GTK_CONTAINER (view));
2722 for (child = children; child && child->data; child = g_list_next (child)) {
2723 gtk_container_remove (GTK_CONTAINER (view),
2724 GTK_WIDGET (child->data));
2726 g_list_free (children);
2729 /*** Drag and Drop ***/
2731 ev_view_drag_data_get (GtkWidget *widget,
2732 GdkDragContext *context,
2733 GtkSelectionData *selection_data,
2737 EvView *view = EV_VIEW (widget);
2740 case TARGET_DND_TEXT:
2741 if (EV_IS_SELECTION (view->document) &&
2742 view->selection_info.selections) {
2745 text = get_selected_text (view);
2746 gtk_selection_data_set_text (selection_data,
2752 case TARGET_DND_IMAGE:
2753 if (view->image_dnd_info.image) {
2756 ev_document_doc_mutex_lock ();
2757 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
2758 view->image_dnd_info.image);
2759 ev_document_doc_mutex_unlock ();
2761 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
2762 g_object_unref (pixbuf);
2765 case TARGET_DND_URI:
2766 if (view->image_dnd_info.image) {
2768 const gchar *tmp_uri;
2771 ev_document_doc_mutex_lock ();
2772 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
2773 view->image_dnd_info.image);
2774 ev_document_doc_mutex_unlock ();
2776 tmp_uri = ev_image_save_tmp (view->image_dnd_info.image, pixbuf);
2777 g_object_unref (pixbuf);
2779 uris = g_new0 (gchar *, 2);
2780 uris[0] = (gchar *)tmp_uri;
2782 gtk_selection_data_set_uris (selection_data, uris);
2784 /* g_free instead of g_strfreev since tmp_uri is const */
2791 ev_view_drag_motion (GtkWidget *widget,
2792 GdkDragContext *context,
2797 if (gtk_drag_get_source_widget (context) == widget)
2798 gdk_drag_status (context, 0, time);
2800 gdk_drag_status (context, context->suggested_action, time);
2806 ev_view_drag_data_received (GtkWidget *widget,
2807 GdkDragContext *context,
2810 GtkSelectionData *selection_data,
2816 GSList *uri_list = NULL;
2818 uris = gtk_selection_data_get_uris (selection_data);
2820 gtk_drag_finish (context, FALSE, FALSE, time);
2824 for (i = 0; uris[i]; i++) {
2825 uri_list = g_slist_prepend (uri_list, (gpointer) uris[i]);
2828 ev_application_open_uri_list (EV_APP, uri_list,
2829 gtk_widget_get_screen (widget),
2831 gtk_drag_finish (context, TRUE, FALSE, time);
2834 g_slist_free (uri_list);
2839 selection_update_idle_cb (EvView *view)
2841 compute_selections (view,
2842 view->selection_info.style,
2843 &view->selection_info.start,
2845 view->selection_update_id = 0;
2850 selection_scroll_timeout_cb (EvView *view)
2852 gint x, y, shift = 0;
2853 GtkWidget *widget = GTK_WIDGET (view);
2855 gtk_widget_get_pointer (widget, &x, &y);
2857 if (y > widget->allocation.height) {
2858 shift = (y - widget->allocation.height) / 2;
2864 gtk_adjustment_set_value (view->vadjustment,
2865 CLAMP (view->vadjustment->value + shift,
2866 view->vadjustment->lower,
2867 view->vadjustment->upper -
2868 view->vadjustment->page_size));
2870 if (x > widget->allocation.width) {
2871 shift = (x - widget->allocation.width) / 2;
2877 gtk_adjustment_set_value (view->hadjustment,
2878 CLAMP (view->hadjustment->value + shift,
2879 view->hadjustment->lower,
2880 view->hadjustment->upper -
2881 view->hadjustment->page_size));
2887 ev_view_drag_update_momentum (EvView *view)
2890 if (!view->drag_info.in_drag)
2893 for (i = DRAG_HISTORY - 1; i > 0; i--) {
2894 view->drag_info.buffer[i].x = view->drag_info.buffer[i-1].x;
2895 view->drag_info.buffer[i].y = view->drag_info.buffer[i-1].y;
2898 /* Momentum is a moving average of 10ms granularity over
2899 * the last 100ms with each 10ms stored in buffer.
2902 view->drag_info.momentum.x = (view->drag_info.buffer[DRAG_HISTORY - 1].x - view->drag_info.buffer[0].x);
2903 view->drag_info.momentum.y = (view->drag_info.buffer[DRAG_HISTORY - 1].y - view->drag_info.buffer[0].y);
2909 ev_view_scroll_drag_release (EvView *view)
2911 gdouble dhadj_value, dvadj_value;
2912 gdouble oldhadjustment, oldvadjustment;
2914 view->drag_info.momentum.x /= 1.2;
2915 view->drag_info.momentum.y /= 1.2; /* Alter these constants to change "friction" */
2917 dhadj_value = view->hadjustment->page_size *
2918 (gdouble)view->drag_info.momentum.x / GTK_WIDGET (view)->allocation.width;
2919 dvadj_value = view->vadjustment->page_size *
2920 (gdouble)view->drag_info.momentum.y / GTK_WIDGET (view)->allocation.height;
2922 oldhadjustment = gtk_adjustment_get_value (view->hadjustment);
2923 oldvadjustment = gtk_adjustment_get_value (view->vadjustment);
2925 if (((oldhadjustment + dhadj_value) > (view->hadjustment->upper - view->hadjustment->page_size)) ||
2926 ((oldhadjustment + dhadj_value) < 0))
2927 view->drag_info.momentum.x *= -0.5; /* 0.5 rather than 1 means the edges absorb some momentum */
2928 if (((oldvadjustment + dvadj_value) > (view->vadjustment->upper - view->vadjustment->page_size)) ||
2929 ((oldvadjustment + dvadj_value) < 0))
2930 view->drag_info.momentum.y *= -0.5;
2932 gtk_adjustment_set_value (view->hadjustment,
2933 MIN (oldhadjustment + dhadj_value,
2934 view->hadjustment->upper - view->hadjustment->page_size));
2935 gtk_adjustment_set_value (view->vadjustment,
2936 MIN (oldvadjustment + dvadj_value,
2937 view->vadjustment->upper - view->vadjustment->page_size));
2939 if (((view->drag_info.momentum.x < 1) && (view->drag_info.momentum.x > -1)) &&
2940 ((view->drag_info.momentum.y < 1) && (view->drag_info.momentum.y > -1)))
2947 ev_view_motion_notify_event (GtkWidget *widget,
2948 GdkEventMotion *event)
2950 EvView *view = EV_VIEW (widget);
2953 if (!view->document)
2957 if (event->is_hint || event->window != view->layout.bin_window) {
2958 gtk_widget_get_pointer (widget, &x, &y);
2964 if (view->scroll_info.autoscrolling) {
2965 view->scroll_info.last_y = y;
2969 if (view->selection_info.in_drag) {
2970 if (gtk_drag_check_threshold (widget,
2971 view->selection_info.start.x,
2972 view->selection_info.start.y,
2974 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
2976 gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT);
2978 gtk_drag_begin (widget, target_list,
2980 1, (GdkEvent *)event);
2982 view->selection_info.in_drag = FALSE;
2984 gtk_target_list_unref (target_list);
2988 } else if (view->image_dnd_info.in_drag) {
2989 if (gtk_drag_check_threshold (widget,
2990 view->selection_info.start.x,
2991 view->selection_info.start.y,
2993 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
2995 gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI);
2996 gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE);
2998 gtk_drag_begin (widget, target_list,
3000 1, (GdkEvent *)event);
3002 view->image_dnd_info.in_drag = FALSE;
3004 gtk_target_list_unref (target_list);
3010 switch (view->pressed_button) {
3012 /* For the Evince 0.4.x release, we limit selection to un-rotated
3015 if (view->rotation != 0)
3018 /* Schedule timeout to scroll during selection and additionally
3019 * scroll once to allow arbitrary speed. */
3020 if (!view->selection_scroll_id)
3021 view->selection_scroll_id = g_timeout_add (SCROLL_TIME,
3022 (GSourceFunc)selection_scroll_timeout_cb,
3025 selection_scroll_timeout_cb (view);
3027 view->selection_info.in_selection = TRUE;
3028 view->motion.x = x + view->scroll_x;
3029 view->motion.y = y + view->scroll_y;
3031 /* Queue an idle to handle the motion. We do this because
3032 * handling any selection events in the motion could be slower
3033 * than new motion events reach us. We always put it in the
3034 * idle to make sure we catch up and don't visibly lag the
3036 if (!view->selection_update_id)
3037 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
3041 if (!view->drag_info.in_drag) {
3045 start = gtk_drag_check_threshold (widget,
3046 view->drag_info.start.x,
3047 view->drag_info.start.y,
3050 view->drag_info.in_drag = start;
3051 view->drag_info.drag_timeout_id = g_timeout_add (10,
3052 (GSourceFunc)ev_view_drag_update_momentum, view);
3053 /* Set 100 to choose how long it takes to build up momentum */
3054 /* Clear out previous momentum info: */
3055 for (i = 0; i < DRAG_HISTORY; i++) {
3056 view->drag_info.buffer[i].x = event->x;
3057 view->drag_info.buffer[i].y = event->y;
3059 view->drag_info.momentum.x = 0;
3060 view->drag_info.momentum.y = 0;
3063 if (view->drag_info.in_drag) {
3065 gdouble dhadj_value, dvadj_value;
3067 view->drag_info.buffer[0].x = event->x;
3068 view->drag_info.buffer[0].y = event->y;
3070 dx = event->x_root - view->drag_info.start.x;
3071 dy = event->y_root - view->drag_info.start.y;
3073 dhadj_value = view->hadjustment->page_size *
3074 (gdouble)dx / widget->allocation.width;
3075 dvadj_value = view->vadjustment->page_size *
3076 (gdouble)dy / widget->allocation.height;
3078 /* clamp scrolling to visible area */
3079 gtk_adjustment_set_value (view->hadjustment,
3080 MIN(view->drag_info.hadj - dhadj_value,
3081 view->hadjustment->upper -
3082 view->hadjustment->page_size));
3083 gtk_adjustment_set_value (view->vadjustment,
3084 MIN(view->drag_info.vadj - dvadj_value,
3085 view->vadjustment->upper -
3086 view->vadjustment->page_size));
3093 ev_view_handle_cursor_over_xy (view, x, y);
3100 ev_view_button_release_event (GtkWidget *widget,
3101 GdkEventButton *event)
3103 EvView *view = EV_VIEW (widget);
3104 EvLink *link = NULL;
3106 view->image_dnd_info.in_drag = FALSE;
3108 if (view->scroll_info.autoscrolling) {
3109 ev_view_autoscroll_stop (view);
3110 view->pressed_button = -1;
3115 if (view->drag_info.in_drag) {
3116 view->drag_info.release_timeout_id =
3118 (GSourceFunc)ev_view_scroll_drag_release, view);
3121 if (view->document && !view->drag_info.in_drag && view->pressed_button != 3) {
3122 link = ev_view_get_link_at_location (view, event->x, event->y);
3125 view->drag_info.in_drag = FALSE;
3127 if (view->pressed_button == 2) {
3128 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3131 view->pressed_button = -1;
3133 if (view->selection_scroll_id) {
3134 g_source_remove (view->selection_scroll_id);
3135 view->selection_scroll_id = 0;
3137 if (view->selection_update_id) {
3138 g_source_remove (view->selection_update_id);
3139 view->selection_update_id = 0;
3142 if (!view->selection_info.in_selection &&
3143 view->selection_info.style != EV_SELECTION_STYLE_GLYPH) {
3144 compute_selections (view,
3145 view->selection_info.style,
3146 &(view->selection_info.start),
3147 &(view->selection_info.start));
3150 if (view->selection_info.selections) {
3151 clear_link_selected (view);
3152 ev_view_update_primary_selection (view);
3154 if (view->selection_info.in_drag) {
3155 clear_selection (view);
3156 gtk_widget_queue_draw (widget);
3159 view->selection_info.in_drag = FALSE;
3161 if (event->button == 2) {
3162 EvLinkAction *action;
3163 EvLinkActionType type;
3165 action = ev_link_get_action (link);
3169 type = ev_link_action_get_action_type (action);
3170 if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
3171 g_signal_emit (view,
3172 signals[SIGNAL_EXTERNAL_LINK],
3176 ev_view_handle_link (view, link);
3178 } else if (view->presentation) {
3179 switch (event->button) {
3181 ev_view_next_page (view);
3184 ev_view_previous_page (view);
3193 /* Cut and paste from gtkwindow.c */
3195 send_focus_change (GtkWidget *widget,
3198 GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE);
3200 g_object_ref (widget);
3203 GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
3205 GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
3207 fevent->focus_change.type = GDK_FOCUS_CHANGE;
3208 fevent->focus_change.window = g_object_ref (widget->window);
3209 fevent->focus_change.in = in;
3211 gtk_widget_event (widget, fevent);
3213 g_object_notify (G_OBJECT (widget), "has-focus");
3215 g_object_unref (widget);
3216 gdk_event_free (fevent);
3220 ev_view_goto_window_hide (EvView *view)
3222 /* send focus-in event */
3223 send_focus_change (view->goto_entry, FALSE);
3224 gtk_widget_hide (view->goto_window);
3225 gtk_entry_set_text (GTK_ENTRY (view->goto_entry), "");
3229 ev_view_goto_window_delete_event (GtkWidget *widget,
3233 ev_view_goto_window_hide (view);
3239 key_is_numeric (guint keyval)
3241 return ((keyval >= GDK_0 && keyval <= GDK_9) ||
3242 (keyval >= GDK_KP_0 && keyval <= GDK_KP_9));
3246 ev_view_goto_window_key_press_event (GtkWidget *widget,
3250 switch (event->keyval) {
3254 case GDK_ISO_Left_Tab:
3255 ev_view_goto_window_hide (view);
3264 if (!key_is_numeric (event->keyval))
3272 ev_view_goto_window_button_press_event (GtkWidget *widget,
3273 GdkEventButton *event,
3276 ev_view_goto_window_hide (view);
3282 ev_view_goto_entry_activate (GtkEntry *entry,
3288 text = gtk_entry_get_text (entry);
3289 page = atoi (text) - 1;
3291 ev_view_goto_window_hide (view);
3294 page < ev_page_cache_get_n_pages (view->page_cache))
3295 ev_page_cache_set_current_page (view->page_cache, page);
3299 ev_view_goto_window_create (EvView *view)
3301 GtkWidget *frame, *hbox, *toplevel, *label;
3303 toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view));
3305 if (view->goto_window) {
3306 if (GTK_WINDOW (toplevel)->group)
3307 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
3308 GTK_WINDOW (view->goto_window));
3309 else if (GTK_WINDOW (view->goto_window)->group)
3310 gtk_window_group_remove_window (GTK_WINDOW (view->goto_window)->group,
3311 GTK_WINDOW (view->goto_window));
3315 view->goto_window = gtk_window_new (GTK_WINDOW_POPUP);
3317 if (GTK_WINDOW (toplevel)->group)
3318 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
3319 GTK_WINDOW (view->goto_window));
3321 gtk_window_set_modal (GTK_WINDOW (view->goto_window), TRUE);
3323 g_signal_connect (view->goto_window, "delete_event",
3324 G_CALLBACK (ev_view_goto_window_delete_event),
3326 g_signal_connect (view->goto_window, "key_press_event",
3327 G_CALLBACK (ev_view_goto_window_key_press_event),
3329 g_signal_connect (view->goto_window, "button_press_event",
3330 G_CALLBACK (ev_view_goto_window_button_press_event),
3333 frame = gtk_frame_new (NULL);
3334 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
3335 gtk_container_add (GTK_CONTAINER (view->goto_window), frame);
3336 gtk_widget_show (frame);
3338 hbox = gtk_hbox_new (FALSE, 0);
3339 gtk_container_set_border_width (GTK_CONTAINER (hbox), 3);
3340 gtk_container_add (GTK_CONTAINER (frame), hbox);
3341 gtk_widget_show (hbox);
3343 label = gtk_label_new(_("Jump to page:"));
3344 gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 3);
3345 gtk_widget_show (label);
3346 gtk_widget_realize (label);
3348 view->goto_entry = gtk_entry_new ();
3349 g_signal_connect (view->goto_entry, "activate",
3350 G_CALLBACK (ev_view_goto_entry_activate),
3352 gtk_box_pack_start (GTK_BOX (hbox), view->goto_entry, TRUE, TRUE, 0);
3353 gtk_widget_show (view->goto_entry);
3354 gtk_widget_realize (view->goto_entry);
3358 ev_view_goto_entry_grab_focus (EvView *view)
3360 GtkWidgetClass *entry_parent_class;
3362 entry_parent_class = g_type_class_peek_parent (GTK_ENTRY_GET_CLASS (view->goto_entry));
3363 (entry_parent_class->grab_focus) (view->goto_entry);
3365 send_focus_change (view->goto_entry, TRUE);
3369 ev_view_goto_window_send_key_event (EvView *view,
3372 GdkEventKey *new_event;
3375 /* Move goto window off screen */
3376 screen = gtk_widget_get_screen (GTK_WIDGET (view));
3377 gtk_window_move (GTK_WINDOW (view->goto_window),
3378 gdk_screen_get_width (screen) + 1,
3379 gdk_screen_get_height (screen) + 1);
3380 gtk_widget_show (view->goto_window);
3382 new_event = (GdkEventKey *) gdk_event_copy (event);
3383 g_object_unref (new_event->window);
3384 new_event->window = g_object_ref (view->goto_window->window);
3385 gtk_widget_realize (view->goto_window);
3387 gtk_widget_event (view->goto_window, (GdkEvent *)new_event);
3388 gdk_event_free ((GdkEvent *)new_event);
3389 gtk_widget_hide (view->goto_window);
3393 ev_view_key_press_event (GtkWidget *widget,
3396 EvView *view = EV_VIEW (widget);
3397 EvPresentationState current;
3399 if (!view->document)
3402 if (!view->presentation ||
3403 view->presentation_state == EV_PRESENTATION_END)
3404 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3407 current = view->presentation_state;
3409 switch (event->keyval) {
3413 case GDK_KP_Decimal:
3414 view->presentation_state =
3415 (view->presentation_state == EV_PRESENTATION_BLACK) ?
3416 EV_PRESENTATION_NORMAL : EV_PRESENTATION_BLACK;
3420 view->presentation_state =
3421 (view->presentation_state == EV_PRESENTATION_WHITE) ?
3422 EV_PRESENTATION_NORMAL : EV_PRESENTATION_WHITE;
3425 if (view->presentation_state == EV_PRESENTATION_BLACK ||
3426 view->presentation_state == EV_PRESENTATION_WHITE) {
3427 view->presentation_state = EV_PRESENTATION_NORMAL;
3431 if (current == view->presentation_state) {
3432 if (ev_page_cache_get_n_pages (view->page_cache) > 1 &&
3433 key_is_numeric (event->keyval)) {
3436 ev_view_goto_window_create (view);
3437 ev_view_goto_window_send_key_event (view, (GdkEvent *)event);
3438 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
3439 gtk_window_move (GTK_WINDOW (view->goto_window), x, y);
3440 gtk_widget_show (view->goto_window);
3441 ev_view_goto_entry_grab_focus (view);
3446 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3449 switch (view->presentation_state) {
3450 case EV_PRESENTATION_NORMAL:
3451 case EV_PRESENTATION_BLACK:
3452 gdk_window_set_background (view->layout.bin_window,
3453 &widget->style->black);
3455 case EV_PRESENTATION_WHITE:
3456 gdk_window_set_background (view->layout.bin_window,
3457 &widget->style->white);
3460 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3463 gtk_widget_queue_draw (widget);
3468 ev_view_focus_in (GtkWidget *widget,
3469 GdkEventFocus *event)
3471 if (EV_VIEW (widget)->pixbuf_cache)
3472 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3473 gtk_widget_queue_draw (widget);
3479 ev_view_focus_out (GtkWidget *widget,
3480 GdkEventFocus *event)
3482 if (EV_VIEW (widget)->goto_window)
3483 ev_view_goto_window_hide (EV_VIEW (widget));
3485 if (EV_VIEW (widget)->pixbuf_cache)
3486 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3487 gtk_widget_queue_draw (widget);
3493 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3495 EvView *view = EV_VIEW (widget);
3497 if (view->cursor != EV_VIEW_CURSOR_NORMAL)
3498 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
3504 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3506 EvView *view = EV_VIEW (widget);
3508 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3514 ev_view_style_set (GtkWidget *widget,
3515 GtkStyle *old_style)
3517 if (EV_VIEW (widget)->pixbuf_cache)
3518 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3520 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
3526 ev_gdk_color_to_rgb (const GdkColor *color)
3529 result = (0xff0000 | (color->red & 0xff00));
3531 result |= ((color->green & 0xff00) | (color->blue >> 8));
3536 draw_rubberband (GtkWidget *widget, GdkWindow *window,
3537 const GdkRectangle *rect, guchar alpha)
3541 GdkColor *fill_color_gdk;
3544 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
3545 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
3547 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
3548 rect->width, rect->height);
3549 gdk_pixbuf_fill (pixbuf, fill_color);
3551 gdk_draw_pixbuf (window, NULL, pixbuf,
3553 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
3554 rect->width, rect->height,
3555 GDK_RGB_DITHER_NONE,
3558 g_object_unref (pixbuf);
3560 gc = gdk_gc_new (window);
3561 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
3562 gdk_draw_rectangle (window, gc, FALSE,
3563 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
3566 g_object_unref (gc);
3568 gdk_color_free (fill_color_gdk);
3573 highlight_find_results (EvView *view, int page)
3575 gint i, n_results = 0;
3577 n_results = ev_view_find_get_n_results (view, page);
3579 for (i = 0; i < n_results; i++) {
3580 EvRectangle *rectangle;
3581 GdkRectangle view_rectangle;
3584 if (i == view->find_result && page == view->current_page) {
3590 rectangle = ev_view_find_get_result (view, page, i);
3591 doc_rect_to_view_rect (view, page, rectangle, &view_rectangle);
3592 draw_rubberband (GTK_WIDGET (view), view->layout.bin_window,
3593 &view_rectangle, alpha);
3598 draw_loading_text (EvView *view,
3599 GdkRectangle *page_area,
3600 GdkRectangle *expose_area)
3605 if (!view->loading_text) {
3606 const gchar *loading_text = _("Loading...");
3607 PangoLayout *layout;
3608 PangoFontDescription *font_desc;
3609 PangoRectangle logical_rect;
3613 ev_document_fc_mutex_lock ();
3615 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
3617 font_desc = pango_font_description_new ();
3619 /* We set the font to be 10 points, get the size, and scale appropriately */
3620 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
3621 pango_layout_set_font_description (layout, font_desc);
3622 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
3624 target_width = MAX (page_area->width / 2, 1);
3625 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
3626 pango_font_description_set_size (font_desc, (int)real_scale);
3627 pango_layout_set_font_description (layout, font_desc);
3628 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
3630 view->loading_text = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
3632 logical_rect.height);
3633 cr = cairo_create (view->loading_text);
3634 cairo_set_source_rgb (cr,
3638 pango_cairo_show_layout (cr, layout);
3641 pango_font_description_free (font_desc);
3642 g_object_unref (layout);
3644 ev_document_fc_mutex_unlock ();
3647 width = (page_area->width - cairo_image_surface_get_width (view->loading_text)) / 2;
3648 height = (page_area->height - cairo_image_surface_get_height (view->loading_text)) / 2;
3650 cr = gdk_cairo_create (view->layout.bin_window);
3651 cairo_translate (cr,
3652 page_area->x + width,
3653 page_area->y + height);
3654 cairo_set_source_surface (cr, view->loading_text, 0, 0);
3660 draw_one_page (EvView *view,
3663 GdkRectangle *page_area,
3665 GdkRectangle *expose_area,
3666 gboolean *page_ready)
3668 GdkRectangle overlap;
3669 GdkRectangle real_page_area;
3671 g_assert (view->document);
3673 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
3676 /* Render the document itself */
3677 real_page_area = *page_area;
3679 real_page_area.x += border->left;
3680 real_page_area.y += border->top;
3681 real_page_area.width -= (border->left + border->right);
3682 real_page_area.height -= (border->top + border->bottom);
3685 if (!view->presentation) {
3688 current_page = ev_page_cache_get_current_page (view->page_cache);
3689 ev_document_misc_paint_one_page (view->layout.bin_window,
3692 page == current_page);
3695 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
3697 gint page_width, page_height;
3698 cairo_surface_t *page_surface = NULL;
3699 gint selection_width, selection_height;
3700 cairo_surface_t *selection_surface = NULL;
3702 page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page);
3704 if (!page_surface) {
3705 if (!view->presentation) {
3706 draw_loading_text (view,
3711 *page_ready = FALSE;
3716 ev_page_cache_get_size (view->page_cache,
3717 page, view->rotation,
3721 page_width = cairo_image_surface_get_width (page_surface);
3722 page_height = cairo_image_surface_get_height (page_surface);
3725 cairo_translate (cr, overlap.x, overlap.y);
3727 if (width != page_width || height != page_height) {
3728 cairo_pattern_set_filter (cairo_get_source (cr),
3731 (gdouble)width / page_width,
3732 (gdouble)height / page_height);
3735 cairo_surface_set_device_offset (page_surface,
3736 overlap.x - real_page_area.x,
3737 overlap.y - real_page_area.y);
3738 cairo_set_source_surface (cr, page_surface, 0, 0);
3742 /* Get the selection pixbuf iff we have something to draw */
3743 if (find_selection_for_page (view, page) &&
3744 view->selection_mode == EV_VIEW_SELECTION_TEXT) {
3746 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
3752 if (!selection_surface) {
3756 selection_width = cairo_image_surface_get_width (selection_surface);
3757 selection_height = cairo_image_surface_get_height (selection_surface);
3760 cairo_translate (cr, overlap.x, overlap.y);
3762 if (width != selection_width || height != selection_height) {
3763 cairo_pattern_set_filter (cairo_get_source (cr),
3766 (gdouble)width / selection_width,
3767 (gdouble)height / selection_height);
3770 cairo_surface_set_device_offset (selection_surface,
3771 overlap.x - real_page_area.x,
3772 overlap.y - real_page_area.y);
3773 cairo_set_source_surface (cr, selection_surface, 0, 0);
3779 /*** GObject functions ***/
3782 ev_view_finalize (GObject *object)
3784 EvView *view = EV_VIEW (object);
3786 clear_selection (view);
3787 clear_link_selected (view);
3789 if (view->image_dnd_info.image)
3790 g_object_unref (view->image_dnd_info.image);
3791 view->image_dnd_info.image = NULL;
3793 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
3797 ev_view_destroy (GtkObject *object)
3799 EvView *view = EV_VIEW (object);
3801 if (view->document) {
3802 g_object_unref (view->document);
3803 view->document = NULL;
3806 if (view->pixbuf_cache) {
3807 g_object_unref (view->pixbuf_cache);
3808 view->pixbuf_cache = NULL;
3811 if (view->goto_window) {
3812 gtk_widget_destroy (view->goto_window);
3813 view->goto_window = NULL;
3814 view->goto_entry = NULL;
3817 if (view->selection_scroll_id) {
3818 g_source_remove (view->selection_scroll_id);
3819 view->selection_scroll_id = 0;
3822 if (view->selection_update_id) {
3823 g_source_remove (view->selection_update_id);
3824 view->selection_update_id = 0;
3827 if (view->loading_text) {
3828 cairo_surface_destroy (view->loading_text);
3829 view->loading_text = NULL;
3832 if (view->scroll_info.timeout_id) {
3833 g_source_remove (view->scroll_info.timeout_id);
3834 view->scroll_info.timeout_id = 0;
3837 if (view->drag_info.drag_timeout_id) {
3838 g_source_remove (view->drag_info.drag_timeout_id);
3839 view->drag_info.drag_timeout_id = 0;
3842 if (view->drag_info.release_timeout_id) {
3843 g_source_remove (view->drag_info.release_timeout_id);
3844 view->drag_info.release_timeout_id = 0;
3847 ev_view_presentation_transition_stop (view);
3849 ev_view_set_scroll_adjustments (GTK_LAYOUT (view), NULL, NULL);
3851 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
3855 ev_view_set_property (GObject *object,
3857 const GValue *value,
3860 EvView *view = EV_VIEW (object);
3863 case PROP_CONTINUOUS:
3864 ev_view_set_continuous (view, g_value_get_boolean (value));
3866 case PROP_DUAL_PAGE:
3867 ev_view_set_dual_page (view, g_value_get_boolean (value));
3869 case PROP_FULLSCREEN:
3870 ev_view_set_fullscreen (view, g_value_get_boolean (value));
3872 case PROP_PRESENTATION:
3873 ev_view_set_presentation (view, g_value_get_boolean (value));
3875 case PROP_SIZING_MODE:
3876 ev_view_set_sizing_mode (view, g_value_get_enum (value));
3879 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
3882 ev_view_set_rotation (view, g_value_get_int (value));
3885 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
3890 ev_view_get_accessible (GtkWidget *widget)
3892 static gboolean first_time = TRUE;
3895 AtkObjectFactory *factory;
3896 AtkRegistry *registry;
3898 GType derived_atk_type;
3901 * Figure out whether accessibility is enabled by looking at the
3902 * type of the accessible object which would be created for
3903 * the parent type of EvView.
3905 derived_type = g_type_parent (EV_TYPE_VIEW);
3907 registry = atk_get_default_registry ();
3908 factory = atk_registry_get_factory (registry,
3910 derived_atk_type = atk_object_factory_get_accessible_type (factory);
3911 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
3912 atk_registry_set_factory_type (registry,
3914 ev_view_accessible_factory_get_type ());
3917 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
3921 ev_view_get_property (GObject *object,
3926 EvView *view = EV_VIEW (object);
3929 case PROP_CONTINUOUS:
3930 g_value_set_boolean (value, view->continuous);
3932 case PROP_DUAL_PAGE:
3933 g_value_set_boolean (value, view->dual_page);
3935 case PROP_FULLSCREEN:
3936 g_value_set_boolean (value, view->fullscreen);
3938 case PROP_PRESENTATION:
3939 g_value_set_boolean (value, view->presentation);
3941 case PROP_SIZING_MODE:
3942 g_value_set_enum (value, view->sizing_mode);
3945 g_value_set_double (value, view->scale);
3948 g_value_set_int (value, view->rotation);
3950 case PROP_HAS_SELECTION:
3951 g_value_set_boolean (value,
3952 view->selection_info.selections != NULL);
3955 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
3960 ev_view_class_init (EvViewClass *class)
3962 GObjectClass *object_class = G_OBJECT_CLASS (class);
3963 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
3964 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
3965 GtkLayoutClass *layout_class = GTK_LAYOUT_CLASS (class);
3966 GtkBindingSet *binding_set;
3968 object_class->finalize = ev_view_finalize;
3969 object_class->set_property = ev_view_set_property;
3970 object_class->get_property = ev_view_get_property;
3972 widget_class->expose_event = ev_view_expose_event;
3973 widget_class->button_press_event = ev_view_button_press_event;
3974 widget_class->motion_notify_event = ev_view_motion_notify_event;
3975 widget_class->button_release_event = ev_view_button_release_event;
3976 widget_class->key_press_event = ev_view_key_press_event;
3977 widget_class->focus_in_event = ev_view_focus_in;
3978 widget_class->focus_out_event = ev_view_focus_out;
3979 widget_class->get_accessible = ev_view_get_accessible;
3980 widget_class->size_request = ev_view_size_request;
3981 widget_class->size_allocate = ev_view_size_allocate;
3982 widget_class->realize = ev_view_realize;
3983 widget_class->scroll_event = ev_view_scroll_event;
3984 widget_class->enter_notify_event = ev_view_enter_notify_event;
3985 widget_class->leave_notify_event = ev_view_leave_notify_event;
3986 widget_class->style_set = ev_view_style_set;
3987 widget_class->drag_data_get = ev_view_drag_data_get;
3988 widget_class->drag_motion = ev_view_drag_motion;
3989 widget_class->drag_data_received = ev_view_drag_data_received;
3990 widget_class->popup_menu = ev_view_popup_menu;
3991 widget_class->query_tooltip = ev_view_query_tooltip;
3993 gtk_object_class->destroy = ev_view_destroy;
3995 layout_class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
3997 class->binding_activated = ev_view_scroll;
3999 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
4000 G_TYPE_FROM_CLASS (object_class),
4001 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4002 G_STRUCT_OFFSET (EvViewClass, binding_activated),
4004 ev_marshal_VOID__ENUM_BOOLEAN,
4006 GTK_TYPE_SCROLL_TYPE,
4009 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
4010 G_TYPE_FROM_CLASS (object_class),
4011 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4012 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
4014 ev_marshal_VOID__VOID,
4015 G_TYPE_NONE, 0, G_TYPE_NONE);
4016 signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link",
4017 G_TYPE_FROM_CLASS (object_class),
4018 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4019 G_STRUCT_OFFSET (EvViewClass, handle_link),
4021 g_cclosure_marshal_VOID__OBJECT,
4024 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
4025 G_TYPE_FROM_CLASS (object_class),
4026 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4027 G_STRUCT_OFFSET (EvViewClass, external_link),
4029 g_cclosure_marshal_VOID__OBJECT,
4032 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
4033 G_TYPE_FROM_CLASS (object_class),
4034 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4035 G_STRUCT_OFFSET (EvViewClass, popup_menu),
4037 g_cclosure_marshal_VOID__OBJECT,
4042 g_object_class_install_property (object_class,
4044 g_param_spec_boolean ("continuous",
4046 "Continuous scrolling mode",
4048 G_PARAM_READWRITE));
4050 g_object_class_install_property (object_class,
4052 g_param_spec_boolean ("dual-page",
4054 "Two pages visible at once",
4056 G_PARAM_READWRITE));
4057 g_object_class_install_property (object_class,
4059 g_param_spec_boolean ("fullscreen",
4061 "Draw page in a fullscreen fashion",
4063 G_PARAM_READWRITE));
4064 g_object_class_install_property (object_class,
4066 g_param_spec_boolean ("presentation",
4068 "Draw page in presentation mode",
4070 G_PARAM_READWRITE));
4072 g_object_class_install_property (object_class,
4074 g_param_spec_enum ("sizing-mode",
4077 EV_TYPE_SIZING_MODE,
4078 EV_SIZING_FIT_WIDTH,
4079 G_PARAM_READWRITE));
4081 g_object_class_install_property (object_class,
4083 g_param_spec_double ("zoom",
4089 G_PARAM_READWRITE));
4090 g_object_class_install_property (object_class,
4092 g_param_spec_double ("rotation",
4098 G_PARAM_READWRITE));
4099 g_object_class_install_property (object_class,
4101 g_param_spec_boolean ("has-selection",
4103 "The view has selections",
4107 binding_set = gtk_binding_set_by_class (class);
4109 add_scroll_binding_keypad (binding_set, GDK_Left, 0, GTK_SCROLL_STEP_BACKWARD, TRUE);
4110 add_scroll_binding_keypad (binding_set, GDK_Right, 0, GTK_SCROLL_STEP_FORWARD, TRUE);
4111 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, TRUE);
4112 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, TRUE);
4113 add_scroll_binding_keypad (binding_set, GDK_Up, 0, GTK_SCROLL_STEP_BACKWARD, FALSE);
4114 add_scroll_binding_keypad (binding_set, GDK_Down, 0, GTK_SCROLL_STEP_FORWARD, FALSE);
4115 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, FALSE);
4116 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, FALSE);
4117 gtk_binding_entry_add_signal (binding_set, GDK_H, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4118 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE);
4119 gtk_binding_entry_add_signal (binding_set, GDK_J, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4120 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE);
4121 gtk_binding_entry_add_signal (binding_set, GDK_K, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4122 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE);
4123 gtk_binding_entry_add_signal (binding_set, GDK_L, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4124 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE);
4129 ev_view_init (EvView *view)
4131 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
4135 view->current_page = 0;
4136 view->pressed_button = -1;
4137 view->cursor = EV_VIEW_CURSOR_NORMAL;
4138 view->drag_info.in_drag = FALSE;
4139 view->scroll_info.autoscrolling = FALSE;
4140 view->selection_info.selections = NULL;
4141 view->selection_info.in_selection = FALSE;
4142 view->selection_info.in_drag = FALSE;
4143 view->selection_mode = EV_VIEW_SELECTION_TEXT;
4144 view->continuous = TRUE;
4145 view->dual_page = FALSE;
4146 view->presentation = FALSE;
4147 view->presentation_state = EV_PRESENTATION_NORMAL;
4148 view->fullscreen = FALSE;
4149 view->sizing_mode = EV_SIZING_FIT_WIDTH;
4150 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4151 view->jump_to_find_result = TRUE;
4152 view->highlight_find_results = FALSE;
4154 gtk_layout_set_hadjustment (GTK_LAYOUT (view), NULL);
4155 gtk_layout_set_vadjustment (GTK_LAYOUT (view), NULL);
4157 gtk_drag_dest_set (GTK_WIDGET (view),
4158 GTK_DEST_DEFAULT_ALL,
4160 G_N_ELEMENTS (view_drop_targets),
4167 ev_view_change_page (EvView *view,
4169 gboolean start_transition)
4173 view->current_page = new_page;
4174 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4176 if (view->presentation && start_transition)
4177 ev_view_presentation_transition_start (view);
4179 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4180 ev_view_handle_cursor_over_xy (view, x, y);
4182 gtk_widget_queue_resize (GTK_WIDGET (view));
4186 ev_view_transition_animation_finish (EvTransitionAnimation *animation,
4189 g_object_unref (view->animation);
4190 view->animation = NULL;
4191 ev_view_change_page (view, view->current_page, TRUE);
4195 * ev_view_transition_animation_cancel:
4196 * @animation: Animation to finish
4199 * Does almost the same as cancel, but without scheduling the transition.
4203 ev_view_transition_animation_cancel (EvTransitionAnimation *animation,
4206 g_object_unref (view->animation);
4207 view->animation = NULL;
4208 ev_view_change_page (view, view->current_page, FALSE);
4212 ev_view_transition_animation_frame (EvTransitionAnimation *animation,
4216 gtk_widget_queue_draw (GTK_WIDGET (view));
4220 ev_view_presentation_animation_start (EvView *view,
4223 EvTransitionEffect *effect = NULL;
4224 cairo_surface_t *surface;
4226 if (EV_IS_DOCUMENT_TRANSITION (view->document))
4227 effect = ev_document_transition_get_effect (EV_DOCUMENT_TRANSITION (view->document),
4228 view->current_page);
4232 surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page);
4233 view->animation = ev_transition_animation_new (effect);
4234 ev_transition_animation_set_origin_surface (view->animation, surface);
4236 g_signal_connect (view->animation, "frame",
4237 G_CALLBACK (ev_view_transition_animation_frame), view);
4238 g_signal_connect (view->animation, "finished",
4239 G_CALLBACK (ev_view_transition_animation_finish), view);
4243 job_finished_cb (EvPixbufCache *pixbuf_cache,
4247 if (view->animation) {
4248 cairo_surface_t *surface;
4250 surface = ev_pixbuf_cache_get_surface (pixbuf_cache, view->current_page);
4251 ev_transition_animation_set_dest_surface (view->animation, surface);
4255 gdk_window_invalidate_region (view->layout.bin_window,
4258 gtk_widget_queue_draw (GTK_WIDGET (view));
4263 page_changed_cb (EvPageCache *page_cache,
4267 if (view->current_page != new_page) {
4268 if (view->presentation)
4269 ev_view_presentation_animation_start (view, new_page);
4271 ev_view_change_page (view, new_page, TRUE);
4273 gtk_widget_queue_draw (GTK_WIDGET (view));
4276 view->find_result = 0;
4280 on_adjustment_value_changed (GtkAdjustment *adjustment,
4285 GList *children, *l;
4287 if (! GTK_WIDGET_REALIZED (view))
4290 if (view->hadjustment) {
4291 dx = view->scroll_x - (int) view->hadjustment->value;
4292 view->scroll_x = (int) view->hadjustment->value;
4297 if (view->vadjustment) {
4298 dy = view->scroll_y - (int) view->vadjustment->value;
4299 view->scroll_y = (int) view->vadjustment->value;
4304 children = gtk_container_get_children (GTK_CONTAINER (view));
4305 for (l = children; l && l->data; l = g_list_next (l)) {
4306 gint child_x, child_y;
4307 GtkWidget *child = (GtkWidget *)l->data;
4309 gtk_container_child_get (GTK_CONTAINER (view),
4314 gtk_layout_move (GTK_LAYOUT (view), child, child_x + dx, child_y + dy);
4316 g_list_free (children);
4318 if (view->pending_resize)
4319 gtk_widget_queue_draw (GTK_WIDGET (view));
4321 gdk_window_scroll (view->layout.bin_window, dx, dy);
4323 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4324 ev_view_handle_cursor_over_xy (view, x, y);
4327 view_update_range_and_current_page (view);
4335 view = g_object_new (EV_TYPE_VIEW, NULL);
4341 setup_caches (EvView *view)
4343 view->page_cache = ev_page_cache_get (view->document);
4344 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
4345 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
4346 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
4347 page_changed_cb (view->page_cache,
4348 ev_page_cache_get_current_page (view->page_cache),
4353 clear_caches (EvView *view)
4355 if (view->pixbuf_cache) {
4356 g_object_unref (view->pixbuf_cache);
4357 view->pixbuf_cache = NULL;
4360 if (view->page_cache) {
4361 view->page_cache = NULL;
4366 ev_view_set_loading (EvView *view,
4369 view->loading = loading;
4370 gtk_widget_queue_draw (GTK_WIDGET (view));
4374 ev_view_autoscroll_cb (EvView *view)
4376 gdouble speed, value;
4378 /* If the user stops autoscrolling, autoscrolling will be
4379 * set to false but the timeout will continue; stop the timeout: */
4380 if (!view->scroll_info.autoscrolling) {
4381 view->scroll_info.timeout_id = 0;
4385 if (view->scroll_info.last_y > view->scroll_info.start_y &&
4386 (view->scroll_info.last_y < view->scroll_info.start_y))
4389 /* Replace 100 with your speed of choice: The lower the faster.
4390 * Replace 3 with another speed of choice: The higher, the faster it accelerated
4391 * based on the distance of the starting point from the mouse
4392 * (All also effected by the timeout interval of this callback) */
4394 if (view->scroll_info.start_y > view->scroll_info.last_y)
4395 speed = -pow ((((gdouble)view->scroll_info.start_y - view->scroll_info.last_y) / 100), 3);
4397 speed = pow ((((gdouble)view->scroll_info.last_y - view->scroll_info.start_y) / 100), 3);
4399 value = gtk_adjustment_get_value (view->vadjustment);
4400 value = CLAMP (value + speed, 0, view->vadjustment->upper - view->vadjustment->page_size);
4401 gtk_adjustment_set_value (view->vadjustment, value);
4408 ev_view_autoscroll_start (EvView *view)
4412 g_return_if_fail (EV_IS_VIEW (view));
4414 if (view->scroll_info.autoscrolling)
4417 view->scroll_info.autoscrolling = TRUE;
4418 view->scroll_info.timeout_id =
4419 g_timeout_add (20, (GSourceFunc)ev_view_autoscroll_cb,
4422 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4423 ev_view_handle_cursor_over_xy (view, x, y);
4427 ev_view_autoscroll_stop (EvView *view)
4431 g_return_if_fail (EV_IS_VIEW (view));
4433 if (!view->scroll_info.autoscrolling)
4436 view->scroll_info.autoscrolling = FALSE;
4437 if (view->scroll_info.timeout_id) {
4438 g_source_remove (view->scroll_info.timeout_id);
4439 view->scroll_info.timeout_id = 0;
4442 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4443 ev_view_handle_cursor_over_xy (view, x, y);
4447 ev_view_set_document (EvView *view,
4448 EvDocument *document)
4450 g_return_if_fail (EV_IS_VIEW (view));
4452 view->loading = FALSE;
4454 if (document != view->document) {
4455 clear_caches (view);
4457 if (view->document) {
4458 g_object_unref (view->document);
4459 view->page_cache = NULL;
4462 view->document = document;
4463 view->find_result = 0;
4465 if (view->document) {
4466 g_object_ref (view->document);
4467 setup_caches (view);
4470 gtk_widget_queue_resize (GTK_WIDGET (view));
4474 /*** Zoom and sizing mode ***/
4476 #define EPSILON 0.0000001
4478 ev_view_set_zoom (EvView *view,
4485 scale = view->scale * factor;
4489 scale = CLAMP (scale,
4490 view->sizing_mode == EV_SIZING_FREE ? view->min_scale : 0,
4493 if (ABS (view->scale - scale) < EPSILON)
4496 if (view->loading_text) {
4497 cairo_surface_destroy (view->loading_text);
4498 view->loading_text = NULL;
4501 view->scale = scale;
4502 view->pending_resize = TRUE;
4504 gtk_widget_queue_resize (GTK_WIDGET (view));
4506 g_object_notify (G_OBJECT (view), "zoom");
4510 ev_view_get_zoom (EvView *view)
4516 ev_view_set_screen_dpi (EvView *view,
4519 g_return_if_fail (EV_IS_VIEW (view));
4520 g_return_if_fail (dpi > 0);
4523 view->min_scale = MIN_SCALE * dpi / 72.0;
4524 view->max_scale = MAX_SCALE * dpi / 72.0;
4528 ev_view_get_continuous (EvView *view)
4530 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4532 return view->continuous;
4536 ev_view_set_continuous (EvView *view,
4537 gboolean continuous)
4539 g_return_if_fail (EV_IS_VIEW (view));
4541 continuous = continuous != FALSE;
4543 if (view->continuous != continuous) {
4544 view->continuous = continuous;
4545 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4546 gtk_widget_queue_resize (GTK_WIDGET (view));
4549 g_object_notify (G_OBJECT (view), "continuous");
4553 ev_view_get_dual_page (EvView *view)
4555 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4557 return view->dual_page;
4561 ev_view_set_dual_page (EvView *view,
4564 g_return_if_fail (EV_IS_VIEW (view));
4566 dual_page = dual_page != FALSE;
4568 if (view->dual_page == dual_page)
4571 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4572 view->dual_page = dual_page;
4573 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
4574 * preload_cache_size to be 2 if dual_page is set.
4576 gtk_widget_queue_resize (GTK_WIDGET (view));
4578 g_object_notify (G_OBJECT (view), "dual-page");
4582 ev_view_set_fullscreen (EvView *view,
4583 gboolean fullscreen)
4585 g_return_if_fail (EV_IS_VIEW (view));
4587 fullscreen = fullscreen != FALSE;
4589 if (view->fullscreen == fullscreen)
4592 view->fullscreen = fullscreen;
4593 gtk_widget_queue_resize (GTK_WIDGET (view));
4595 g_object_notify (G_OBJECT (view), "fullscreen");
4599 ev_view_get_fullscreen (EvView *view)
4601 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4603 return view->fullscreen;
4607 ev_view_set_presentation (EvView *view,
4608 gboolean presentation)
4610 g_return_if_fail (EV_IS_VIEW (view));
4612 presentation = presentation != FALSE;
4614 if (view->presentation == presentation)
4618 view->presentation_state = EV_PRESENTATION_NORMAL;
4620 view->presentation = presentation;
4621 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4624 view->sizing_mode_saved = view->sizing_mode;
4625 view->scale_saved = view->scale;
4626 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
4628 ev_view_set_sizing_mode (view, view->sizing_mode_saved);
4629 ev_view_set_zoom (view, view->scale_saved, FALSE);
4632 gtk_widget_queue_resize (GTK_WIDGET (view));
4635 ev_view_presentation_transition_start (view);
4637 ev_view_presentation_transition_stop (view);
4639 if (view->animation) {
4640 /* stop any running animation */
4641 ev_view_transition_animation_cancel (view->animation, view);
4645 if (GTK_WIDGET_REALIZED (view)) {
4646 if (view->presentation)
4647 gdk_window_set_background (view->layout.bin_window,
4648 >K_WIDGET (view)->style->black);
4650 gdk_window_set_background (view->layout.bin_window,
4651 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
4654 g_object_notify (G_OBJECT (view), "presentation");
4658 ev_view_get_presentation (EvView *view)
4660 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4662 return view->presentation;
4666 transition_next_page (EvView *view)
4668 ev_view_next_page (view);
4674 ev_view_presentation_transition_stop (EvView *view)
4676 if (view->trans_timeout_id > 0)
4677 g_source_remove (view->trans_timeout_id);
4678 view->trans_timeout_id = 0;
4682 ev_view_presentation_transition_start (EvView *view)
4686 if (!EV_IS_DOCUMENT_TRANSITION (view->document))
4689 ev_view_presentation_transition_stop (view);
4691 duration = ev_document_transition_get_page_duration (EV_DOCUMENT_TRANSITION (view->document),
4692 view->current_page);
4694 view->trans_timeout_id =
4695 g_timeout_add_seconds (duration,
4696 (GSourceFunc) transition_next_page,
4702 ev_view_set_sizing_mode (EvView *view,
4703 EvSizingMode sizing_mode)
4705 g_return_if_fail (EV_IS_VIEW (view));
4707 if (view->sizing_mode == sizing_mode)
4710 view->sizing_mode = sizing_mode;
4711 gtk_widget_queue_resize (GTK_WIDGET (view));
4713 g_object_notify (G_OBJECT (view), "sizing-mode");
4717 ev_view_get_sizing_mode (EvView *view)
4719 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
4721 return view->sizing_mode;
4725 ev_view_can_zoom_in (EvView *view)
4727 return view->scale * ZOOM_IN_FACTOR <= view->max_scale;
4731 ev_view_can_zoom_out (EvView *view)
4733 return view->scale * ZOOM_OUT_FACTOR >= view->min_scale;
4737 ev_view_zoom_in (EvView *view)
4739 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
4741 if (view->presentation)
4744 view->pending_scroll = SCROLL_TO_CENTER;
4745 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
4749 ev_view_zoom_out (EvView *view)
4751 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
4753 if (view->presentation)
4756 view->pending_scroll = SCROLL_TO_CENTER;
4757 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
4761 ev_view_rotate_right (EvView *view)
4763 int rotation = view->rotation + 90;
4765 if (rotation >= 360) {
4769 ev_view_set_rotation (view, rotation);
4773 ev_view_rotate_left (EvView *view)
4775 int rotation = view->rotation - 90;
4781 ev_view_set_rotation (view, rotation);
4785 ev_view_set_rotation (EvView *view, int rotation)
4787 view->rotation = rotation;
4789 if (view->pixbuf_cache) {
4790 ev_pixbuf_cache_clear (view->pixbuf_cache);
4791 gtk_widget_queue_resize (GTK_WIDGET (view));
4795 clear_selection (view);
4797 g_object_notify (G_OBJECT (view), "rotation");
4801 ev_view_get_rotation (EvView *view)
4803 return view->rotation;
4807 zoom_for_size_fit_width (int doc_width,
4815 scale = (double)target_width / doc_width;
4817 if (doc_height * scale > target_height)
4818 scale = (double) (target_width - vsb_width) / doc_width;
4824 zoom_for_size_fit_height (int doc_width,
4832 scale = (double)target_height / doc_height;
4834 if (doc_width * scale > target_width)
4835 scale = (double) (target_height - vsb_height) / doc_height;
4841 zoom_for_size_best_fit (int doc_width,
4851 w_scale = (double)target_width / doc_width;
4852 h_scale = (double)target_height / doc_height;
4854 if (doc_height * w_scale > target_height)
4855 w_scale = (double) (target_width - vsb_width) / doc_width;
4856 if (doc_width * h_scale > target_width)
4857 h_scale = (double) (target_height - hsb_width) / doc_height;
4859 return MIN (w_scale, h_scale);
4864 ev_view_zoom_for_size_presentation (EvView *view,
4868 int doc_width, doc_height;
4871 ev_page_cache_get_size (view->page_cache,
4877 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
4878 ev_view_set_zoom (view, scale, FALSE);
4882 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
4888 int doc_width, doc_height;
4892 ev_page_cache_get_max_width (view->page_cache,
4896 ev_page_cache_get_max_height (view->page_cache,
4900 compute_border (view, doc_width, doc_height, &border);
4902 doc_width = doc_width * 2;
4903 width -= (2 * (border.left + border.right) + 3 * view->spacing);
4904 height -= (border.top + border.bottom + 2 * view->spacing - 1);
4906 /* FIXME: We really need to calculate the overall height here, not the
4907 * page height. We assume there's always a vertical scrollbar for
4908 * now. We need to fix this. */
4909 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
4910 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
4911 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4912 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
4914 g_assert_not_reached ();
4916 ev_view_set_zoom (view, scale, FALSE);
4920 ev_view_zoom_for_size_continuous (EvView *view,
4926 int doc_width, doc_height;
4930 ev_page_cache_get_max_width (view->page_cache,
4934 ev_page_cache_get_max_height (view->page_cache,
4938 compute_border (view, doc_width, doc_height, &border);
4940 width -= (border.left + border.right + 2 * view->spacing);
4941 height -= (border.top + border.bottom + 2 * view->spacing - 1);
4943 /* FIXME: We really need to calculate the overall height here, not the
4944 * page height. We assume there's always a vertical scrollbar for
4945 * now. We need to fix this. */
4946 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
4947 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
4948 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4949 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
4951 g_assert_not_reached ();
4953 ev_view_set_zoom (view, scale, FALSE);
4957 ev_view_zoom_for_size_dual_page (EvView *view,
4964 gint doc_width, doc_height;
4968 other_page = view->current_page ^ 1;
4970 /* Find the largest of the two. */
4971 ev_page_cache_get_size (view->page_cache,
4975 &doc_width, &doc_height);
4977 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
4978 gint width_2, height_2;
4979 ev_page_cache_get_size (view->page_cache,
4983 &width_2, &height_2);
4984 if (width_2 > doc_width)
4985 doc_width = width_2;
4986 if (height_2 > doc_height)
4987 doc_height = height_2;
4989 compute_border (view, doc_width, doc_height, &border);
4991 doc_width = doc_width * 2;
4992 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
4993 height -= (border.top + border.bottom + 2 * view->spacing);
4995 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
4996 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
4997 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4998 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
5000 g_assert_not_reached ();
5002 ev_view_set_zoom (view, scale, FALSE);
5006 ev_view_zoom_for_size_single_page (EvView *view,
5012 int doc_width, doc_height;
5016 ev_page_cache_get_size (view->page_cache,
5022 /* Get an approximate border */
5023 compute_border (view, width, height, &border);
5025 width -= (border.left + border.right + 2 * view->spacing);
5026 height -= (border.top + border.bottom + 2 * view->spacing);
5028 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5029 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
5030 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5031 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
5033 g_assert_not_reached ();
5035 ev_view_set_zoom (view, scale, FALSE);
5039 ev_view_set_zoom_for_size (EvView *view,
5045 g_return_if_fail (EV_IS_VIEW (view));
5046 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
5047 view->sizing_mode == EV_SIZING_BEST_FIT);
5048 g_return_if_fail (width >= 0);
5049 g_return_if_fail (height >= 0);
5051 if (view->document == NULL)
5054 if (view->presentation)
5055 ev_view_zoom_for_size_presentation (view, width, height);
5056 else if (view->continuous && view->dual_page)
5057 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
5058 else if (view->continuous)
5059 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
5060 else if (view->dual_page)
5061 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
5063 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
5068 ev_view_find_get_n_results (EvView *view, gint page)
5070 return view->find_pages ? g_list_length (view->find_pages[page]) : 0;
5073 static EvRectangle *
5074 ev_view_find_get_result (EvView *view, gint page, gint result)
5076 return view->find_pages ? (EvRectangle *) g_list_nth_data (view->find_pages[page], result) : NULL;
5080 jump_to_find_result (EvView *view)
5083 gint page = view->current_page;
5085 n_results = ev_view_find_get_n_results (view, page);
5087 if (n_results > 0 && view->find_result < n_results) {
5089 GdkRectangle view_rect;
5091 rect = ev_view_find_get_result (view, page, view->find_result);
5092 doc_rect_to_view_rect (view, page, rect, &view_rect);
5093 ensure_rectangle_is_visible (view, &view_rect);
5099 * @view: #EvView instance
5100 * @direction: Direction to look
5101 * @shift: Shift from current page
5103 * Jumps to the first page that has occurences of searched word.
5104 * Uses a direction where to look and a shift from current page.
5108 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
5112 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5114 for (i = 0; i < n_pages; i++) {
5117 if (direction == EV_VIEW_FIND_NEXT)
5118 page = view->current_page + i;
5120 page = view->current_page - i;
5123 if (page >= n_pages) {
5124 page = page - n_pages;
5125 } else if (page < 0)
5126 page = page + n_pages;
5128 if (ev_view_find_get_n_results (view, page) > 0) {
5129 ev_page_cache_set_current_page (view->page_cache, page);
5136 ev_view_find_changed (EvView *view, GList **results, gint page)
5138 view->find_pages = results;
5140 if (view->jump_to_find_result == TRUE) {
5141 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
5142 jump_to_find_result (view);
5145 if (view->current_page == page)
5146 gtk_widget_queue_draw (GTK_WIDGET (view));
5150 ev_view_find_next (EvView *view)
5154 n_results = ev_view_find_get_n_results (view, view->current_page);
5155 view->find_result++;
5157 if (view->find_result >= n_results) {
5158 view->find_result = 0;
5159 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
5160 jump_to_find_result (view);
5162 jump_to_find_result (view);
5163 gtk_widget_queue_draw (GTK_WIDGET (view));
5168 ev_view_find_previous (EvView *view)
5170 view->find_result--;
5172 if (view->find_result < 0) {
5173 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
5174 view->find_result = ev_view_find_get_n_results (view, view->current_page) - 1;
5175 jump_to_find_result (view);
5177 jump_to_find_result (view);
5178 gtk_widget_queue_draw (GTK_WIDGET (view));
5183 ev_view_find_search_changed (EvView *view)
5185 /* search string has changed, focus on new search result */
5186 view->jump_to_find_result = TRUE;
5187 view->find_pages = NULL;
5191 ev_view_find_set_highlight_search (EvView *view, gboolean value)
5193 view->highlight_find_results = value;
5194 gtk_widget_queue_draw (GTK_WIDGET (view));
5198 ev_view_find_cancel (EvView *view)
5200 view->find_pages = NULL;
5203 /*** Selections ***/
5205 /* compute_new_selection_rect/text calculates the area currently selected by
5206 * view_rect. each handles a different mode;
5209 compute_new_selection_rect (EvView *view,
5213 GdkRectangle view_rect;
5217 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
5219 view_rect.x = MIN (start->x, stop->x);
5220 view_rect.y = MIN (start->y, stop->y);
5221 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
5222 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
5224 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5226 for (i = 0; i < n_pages; i++) {
5227 GdkRectangle page_area;
5230 if (get_page_extents (view, i, &page_area, &border)) {
5231 GdkRectangle overlap;
5233 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
5234 EvViewSelection *selection;
5236 selection = g_new0 (EvViewSelection, 1);
5237 selection->page = i;
5238 view_rect_to_doc_rect (view, &overlap, &page_area,
5239 &(selection->rect));
5241 list = g_list_append (list, selection);
5250 gdk_rectangle_point_in (GdkRectangle *rectangle,
5253 return rectangle->x <= point->x &&
5254 rectangle->y <= point->y &&
5255 point->x < rectangle->x + rectangle->width &&
5256 point->y < rectangle->y + rectangle->height;
5260 compute_new_selection_text (EvView *view,
5261 EvSelectionStyle style,
5265 int n_pages, i, first, last;
5267 EvViewSelection *selection;
5269 int start_page, end_page;
5271 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
5273 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5275 /* First figure out the range of pages the selection
5279 if (view->continuous) {
5282 } else if (view->dual_page) {
5283 start_page = view->start_page;
5284 end_page = view->end_page + 1;
5286 start_page = view->current_page;
5287 end_page = view->current_page + 1;
5290 for (i = start_page; i < end_page; i++) {
5291 GdkRectangle page_area;
5294 get_page_extents (view, i, &page_area, &border);
5295 if (gdk_rectangle_point_in (&page_area, start) ||
5296 gdk_rectangle_point_in (&page_area, stop)) {
5297 if (first == n_pages)
5304 /* Now create a list of EvViewSelection's for the affected
5305 * pages. This could be an empty list, a list of just one
5306 * page or a number of pages.*/
5307 for (i = first; i < last + 1; i++) {
5308 GdkRectangle page_area;
5312 ev_page_cache_get_size (view->page_cache, i,
5314 1.0, &width, &height);
5316 selection = g_new0 (EvViewSelection, 1);
5317 selection->page = i;
5318 selection->style = style;
5319 selection->rect.x1 = selection->rect.y1 = 0;
5320 selection->rect.x2 = width;
5321 selection->rect.y2 = height;
5323 get_page_extents (view, i, &page_area, &border);
5325 if (gdk_rectangle_point_in (&page_area, start))
5331 view_point_to_doc_point (view, point, &page_area,
5332 &selection->rect.x1,
5333 &selection->rect.y1);
5335 /* If the selection is contained within just one page,
5336 * make sure we don't write 'start' into both points
5337 * in selection->rect. */
5342 view_point_to_doc_point (view, point, &page_area,
5343 &selection->rect.x2,
5344 &selection->rect.y2);
5346 list = g_list_append (list, selection);
5352 /* This function takes the newly calculated list, and figures out which regions
5353 * have changed. It then queues a redraw approporiately.
5356 merge_selection_region (EvView *view,
5360 GList *new_list_ptr, *old_list_ptr;
5362 /* Update the selection */
5363 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
5364 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5365 g_list_free (view->selection_info.selections);
5366 view->selection_info.selections = new_list;
5367 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
5368 g_object_notify (G_OBJECT (view), "has-selection");
5370 new_list_ptr = new_list;
5371 old_list_ptr = old_list;
5373 while (new_list_ptr || old_list_ptr) {
5374 EvViewSelection *old_sel, *new_sel;
5376 GdkRegion *region = NULL;
5378 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
5379 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
5381 /* Assume that the lists are in order, and we run through them
5382 * comparing them, one page at a time. We come out with the
5383 * first page we see. */
5384 if (new_sel && old_sel) {
5385 if (new_sel->page < old_sel->page) {
5386 new_list_ptr = new_list_ptr->next;
5388 } else if (new_sel->page > old_sel->page) {
5389 old_list_ptr = old_list_ptr->next;
5392 new_list_ptr = new_list_ptr->next;
5393 old_list_ptr = old_list_ptr->next;
5395 } else if (new_sel) {
5396 new_list_ptr = new_list_ptr->next;
5397 } else if (old_sel) {
5398 old_list_ptr = old_list_ptr->next;
5401 g_assert (new_sel || old_sel);
5403 /* is the page we're looking at on the screen?*/
5404 cur_page = new_sel ? new_sel->page : old_sel->page;
5405 if (cur_page < view->start_page || cur_page > view->end_page)
5408 /* seed the cache with a new page. We are going to need the new
5411 GdkRegion *tmp_region = NULL;
5413 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
5419 new_sel->covered_region = gdk_region_copy (tmp_region);
5423 /* Now we figure out what needs redrawing */
5424 if (old_sel && new_sel) {
5425 if (old_sel->covered_region && new_sel->covered_region) {
5426 /* We only want to redraw the areas that have
5427 * changed, so we xor the old and new regions
5428 * and redraw if it's different */
5429 region = gdk_region_copy (old_sel->covered_region);
5430 gdk_region_xor (region, new_sel->covered_region);
5431 if (gdk_region_empty (region)) {
5432 gdk_region_destroy (region);
5435 } else if (old_sel->covered_region) {
5436 region = gdk_region_copy (old_sel->covered_region);
5437 } else if (new_sel->covered_region) {
5438 region = gdk_region_copy (new_sel->covered_region);
5440 } else if (old_sel && !new_sel) {
5441 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
5442 region = gdk_region_copy (old_sel->covered_region);
5444 } else if (!old_sel && new_sel) {
5445 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
5446 region = gdk_region_copy (new_sel->covered_region);
5449 g_assert_not_reached ();
5452 /* Redraw the damaged region! */
5454 GdkRectangle page_area;
5457 /* I don't know why but the region is smaller
5458 * than expected. This hack fixes it, I guess
5459 * 10 pixels more won't hurt
5461 gdk_region_shrink (region, -5, -5);
5463 get_page_extents (view, cur_page, &page_area, &border);
5464 gdk_region_offset (region,
5465 page_area.x + border.left - view->scroll_x,
5466 page_area.y + border.top - view->scroll_y);
5467 gdk_window_invalidate_region (view->layout.bin_window, region, TRUE);
5468 gdk_region_destroy (region);
5472 /* Free the old list, now that we're done with it. */
5473 g_list_foreach (old_list, (GFunc) selection_free, NULL);
5474 g_list_free (old_list);
5478 compute_selections (EvView *view,
5479 EvSelectionStyle style,
5485 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
5486 list = compute_new_selection_rect (view, start, stop);
5488 list = compute_new_selection_text (view, style, start, stop);
5489 merge_selection_region (view, list);
5492 /* Free's the selection. It's up to the caller to queue redraws if needed.
5495 selection_free (EvViewSelection *selection)
5497 if (selection->covered_region)
5498 gdk_region_destroy (selection->covered_region);
5503 clear_selection (EvView *view)
5505 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5506 g_list_free (view->selection_info.selections);
5507 view->selection_info.selections = NULL;
5508 view->selection_info.in_selection = FALSE;
5509 if (view->pixbuf_cache)
5510 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
5511 g_object_notify (G_OBJECT (view), "has-selection");
5515 ev_view_select_all (EvView *view)
5517 GList *selections = NULL;
5520 /* Disable selection on rotated pages for the 0.4.0 series */
5521 if (view->rotation != 0)
5524 clear_selection (view);
5526 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5527 for (i = 0; i < n_pages; i++) {
5529 EvViewSelection *selection;
5531 ev_page_cache_get_size (view->page_cache,
5534 1.0, &width, &height);
5536 selection = g_new0 (EvViewSelection, 1);
5537 selection->page = i;
5538 selection->style = EV_SELECTION_STYLE_GLYPH;
5539 selection->rect.x1 = selection->rect.y1 = 0;
5540 selection->rect.x2 = width;
5541 selection->rect.y2 = height;
5543 selections = g_list_append (selections, selection);
5546 merge_selection_region (view, selections);
5547 gtk_widget_queue_draw (GTK_WIDGET (view));
5551 ev_view_get_has_selection (EvView *view)
5553 return view->selection_info.selections != NULL;
5557 get_selected_text (EvView *view)
5561 gchar *normalized_text;
5562 EvRenderContext *rc;
5564 text = g_string_new (NULL);
5565 rc = ev_render_context_new (NULL, view->rotation, view->scale);
5567 ev_document_doc_mutex_lock ();
5569 for (l = view->selection_info.selections; l != NULL; l = l->next) {
5570 EvViewSelection *selection = (EvViewSelection *)l->data;
5574 page = ev_document_get_page (view->document, selection->page);
5575 ev_render_context_set_page (rc, page);
5576 g_object_unref (page);
5578 tmp = ev_selection_get_selected_text (EV_SELECTION (view->document),
5579 rc, selection->style,
5580 &(selection->rect));
5582 g_string_append (text, tmp);
5586 g_object_unref (rc);
5588 ev_document_doc_mutex_unlock ();
5590 normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC);
5591 g_string_free (text, TRUE);
5592 return normalized_text;
5596 ev_view_clipboard_copy (EvView *view,
5599 GtkClipboard *clipboard;
5601 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
5602 GDK_SELECTION_CLIPBOARD);
5603 gtk_clipboard_set_text (clipboard, text, -1);
5607 ev_view_copy (EvView *ev_view)
5611 if (!EV_IS_SELECTION (ev_view->document))
5614 text = get_selected_text (ev_view);
5615 ev_view_clipboard_copy (ev_view, text);
5620 ev_view_primary_get_cb (GtkClipboard *clipboard,
5621 GtkSelectionData *selection_data,
5625 EvView *ev_view = EV_VIEW (data);
5627 if (ev_view->link_selected) {
5628 gtk_selection_data_set_text (selection_data,
5629 ev_link_action_get_uri (ev_view->link_selected),
5631 } else if (EV_IS_SELECTION (ev_view->document) &&
5632 ev_view->selection_info.selections) {
5635 text = get_selected_text (ev_view);
5637 gtk_selection_data_set_text (selection_data, text, -1);
5644 ev_view_primary_clear_cb (GtkClipboard *clipboard,
5647 EvView *view = EV_VIEW (data);
5649 clear_selection (view);
5650 clear_link_selected (view);
5654 ev_view_update_primary_selection (EvView *ev_view)
5656 GtkClipboard *clipboard;
5658 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
5659 GDK_SELECTION_PRIMARY);
5661 if (ev_view->selection_info.selections || ev_view->link_selected) {
5662 if (!gtk_clipboard_set_with_owner (clipboard,
5664 G_N_ELEMENTS (clipboard_targets),
5665 ev_view_primary_get_cb,
5666 ev_view_primary_clear_cb,
5667 G_OBJECT (ev_view)))
5668 ev_view_primary_clear_cb (clipboard, ev_view);
5670 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
5671 gtk_clipboard_clear (clipboard);
5676 clear_link_selected (EvView *view)
5678 if (view->link_selected) {
5679 g_object_unref (view->link_selected);
5680 view->link_selected = NULL;
5685 ev_view_copy_link_address (EvView *view,
5686 EvLinkAction *action)
5688 clear_link_selected (view);
5690 ev_view_clipboard_copy (view, ev_link_action_get_uri (action));
5692 view->link_selected = g_object_ref (action);
5693 ev_view_update_primary_selection (view);
5696 /*** Cursor operations ***/
5699 ev_view_create_invisible_cursor(void)
5702 GdkColor black = { 0, 0, 0, 0 };
5703 static char bits[] = { 0x00 };
5705 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
5707 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
5711 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
5713 GdkCursor *cursor = NULL;
5714 GdkDisplay *display;
5717 if (view->cursor == new_cursor) {
5721 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
5722 display = gtk_widget_get_display (widget);
5723 view->cursor = new_cursor;
5725 switch (new_cursor) {
5726 case EV_VIEW_CURSOR_NORMAL:
5727 gdk_window_set_cursor (view->layout.bin_window, NULL);
5729 case EV_VIEW_CURSOR_IBEAM:
5730 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
5732 case EV_VIEW_CURSOR_LINK:
5733 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
5735 case EV_VIEW_CURSOR_WAIT:
5736 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
5738 case EV_VIEW_CURSOR_HIDDEN:
5739 cursor = ev_view_create_invisible_cursor ();
5741 case EV_VIEW_CURSOR_DRAG:
5742 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
5744 case EV_VIEW_CURSOR_AUTOSCROLL:
5745 cursor = gdk_cursor_new_for_display (display, GDK_DOUBLE_ARROW);
5750 gdk_window_set_cursor (view->layout.bin_window, cursor);
5751 gdk_cursor_unref (cursor);
5757 ev_view_hide_cursor (EvView *view)
5759 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
5763 ev_view_show_cursor (EvView *view)
5765 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
5769 ev_view_reset_presentation_state (EvView *view)
5771 if (!view->presentation ||
5772 view->presentation_state == EV_PRESENTATION_NORMAL)
5775 view->presentation_state = EV_PRESENTATION_NORMAL;
5776 gdk_window_set_background (view->layout.bin_window,
5777 >K_WIDGET (view)->style->black);
5778 gtk_widget_queue_draw (GTK_WIDGET (view));
5782 ev_view_next_page (EvView *view)
5786 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5788 if (!view->page_cache)
5791 if (view->presentation &&
5792 (view->presentation_state == EV_PRESENTATION_BLACK ||
5793 view->presentation_state == EV_PRESENTATION_WHITE)) {
5794 ev_view_reset_presentation_state (view);
5798 if (view->animation) {
5799 ev_view_transition_animation_cancel (view->animation, view);
5802 ev_view_presentation_transition_stop (view);
5803 ev_view_reset_presentation_state (view);
5805 page = ev_page_cache_get_current_page (view->page_cache);
5806 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5808 if (view->dual_page && !view->presentation)
5813 if (page < n_pages) {
5814 ev_page_cache_set_current_page (view->page_cache, page);
5816 } else if (view->presentation && page == n_pages) {
5817 view->presentation_state = EV_PRESENTATION_END;
5818 gtk_widget_queue_draw (GTK_WIDGET (view));
5820 } else if (view->dual_page && page == n_pages) {
5821 ev_page_cache_set_current_page (view->page_cache, page - 1);
5829 ev_view_previous_page (EvView *view)
5833 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5835 if (!view->page_cache)
5838 if (view->presentation &&
5839 view->presentation_state == EV_PRESENTATION_END) {
5840 ev_view_reset_presentation_state (view);
5844 if (view->presentation &&
5845 (view->presentation_state == EV_PRESENTATION_BLACK ||
5846 view->presentation_state == EV_PRESENTATION_WHITE)) {
5847 ev_view_reset_presentation_state (view);
5851 if (view->animation) {
5852 ev_view_transition_animation_cancel (view->animation, view);
5855 ev_view_reset_presentation_state (view);
5857 page = ev_page_cache_get_current_page (view->page_cache);
5859 if (view->dual_page && !view->presentation)
5865 ev_page_cache_set_current_page (view->page_cache, page);
5867 } else if (ev_view_get_dual_page (view) && page == -1) {
5868 ev_page_cache_set_current_page (view->page_cache, 0);
5875 /*** Enum description for usage in signal ***/
5878 ev_sizing_mode_get_type (void)
5880 static GType etype = 0;
5882 static const GEnumValue values[] = {
5883 { EV_SIZING_FIT_WIDTH, "EV_SIZING_FIT_WIDTH", "fit-width" },
5884 { EV_SIZING_BEST_FIT, "EV_SIZING_BEST_FIT", "best-fit" },
5885 { EV_SIZING_FREE, "EV_SIZING_FREE", "free" },
5888 etype = g_enum_register_static ("EvSizingMode", values);
5894 ev_view_update_view_size (EvView *view, GtkScrolledWindow * scrolled_window)
5897 GtkRequisition vsb_requisition;
5898 GtkRequisition hsb_requisition;
5899 int scrollbar_spacing;
5901 /* Calculate the width available for the content */
5902 width = GTK_WIDGET (scrolled_window)->allocation.width;
5903 height = GTK_WIDGET (scrolled_window)->allocation.height;
5905 if (gtk_scrolled_window_get_shadow_type (scrolled_window) == GTK_SHADOW_IN
5907 width -= 2 * GTK_WIDGET(view)->style->xthickness;
5908 height -= 2 * GTK_WIDGET(view)->style->ythickness;
5911 gtk_widget_size_request (scrolled_window->vscrollbar, &vsb_requisition);
5912 gtk_widget_size_request (scrolled_window->hscrollbar, &hsb_requisition);
5913 gtk_widget_style_get (GTK_WIDGET (scrolled_window),
5914 "scrollbar_spacing",
5918 if (EV_IS_VIEW(view)) {
5919 ev_view_set_zoom_for_size (EV_VIEW (view),
5922 vsb_requisition.width + scrollbar_spacing,
5923 hsb_requisition.height + scrollbar_spacing);