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.
24 #include <gtk/gtkalignment.h>
25 #include <glib/gi18n.h>
26 #include <gtk/gtkbindings.h>
27 #include <gtk/gtkselection.h>
28 #include <gtk/gtkclipboard.h>
29 #include <gdk/gdkkeysyms.h>
31 #include "ev-marshal.h"
33 #include "ev-view-private.h"
35 #include "ev-selection.h"
36 #include "ev-document-links.h"
37 #include "ev-document-images.h"
38 #include "ev-document-find.h"
39 #include "ev-document-transition.h"
40 #include "ev-document-forms.h"
41 #include "ev-document-misc.h"
42 #include "ev-job-queue.h"
43 #include "ev-page-cache.h"
44 #include "ev-pixbuf-cache.h"
45 #if !GTK_CHECK_VERSION (2, 11, 7)
46 #include "ev-tooltip.h"
48 #include "ev-application.h"
50 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
51 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
52 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
69 SIGNAL_BINDING_ACTIVATED,
88 TARGET_TEXT_BUFFER_CONTENTS
91 static const GtkTargetEntry clipboard_targets[] = {
92 { "STRING", 0, TARGET_STRING },
93 { "TEXT", 0, TARGET_TEXT },
94 { "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT },
95 { "UTF8_STRING", 0, TARGET_UTF8_STRING },
98 static const GtkTargetEntry view_drop_targets[] = {
99 { "text/uri-list", 0, 0 }
102 static guint signals[N_SIGNALS];
107 } EvViewFindDirection;
109 #define ZOOM_IN_FACTOR 1.2
110 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
112 #define MIN_SCALE 0.05409
113 #define MAX_SCALE 4.0
115 #define SCROLL_TIME 150
118 static void scroll_to_current_page (EvView *view,
119 GtkOrientation orientation);
120 static void ev_view_set_scroll_adjustments (GtkLayout *layout,
121 GtkAdjustment *hadjustment,
122 GtkAdjustment *vadjustment);
123 static void view_update_range_and_current_page (EvView *view);
124 static void set_scroll_adjustment (EvView *view,
125 GtkOrientation orientation,
126 GtkAdjustment *adjustment);
127 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
129 GdkModifierType modifiers,
131 gboolean horizontal);
132 static void ensure_rectangle_is_visible (EvView *view,
135 /*** Geometry computations ***/
136 static void compute_border (EvView *view,
140 static void get_page_y_offset (EvView *view,
144 static gboolean get_page_extents (EvView *view,
146 GdkRectangle *page_area,
148 static void view_rect_to_doc_rect (EvView *view,
149 GdkRectangle *view_rect,
150 GdkRectangle *page_area,
151 EvRectangle *doc_rect);
152 static void doc_rect_to_view_rect (EvView *view,
154 EvRectangle *doc_rect,
155 GdkRectangle *view_rect);
156 static void find_page_at_location (EvView *view,
162 static gboolean doc_point_to_view_point (EvView *view,
165 GdkPoint *view_point);
167 static EvLink * ev_view_get_link_at_location (EvView *view,
170 static char* tip_from_link (EvView *view,
173 static EvFormField *ev_view_get_form_field_at_location (EvView *view,
177 /*** GtkWidget implementation ***/
178 static void ev_view_size_request_continuous_dual_page (EvView *view,
179 GtkRequisition *requisition);
180 static void ev_view_size_request_continuous (EvView *view,
181 GtkRequisition *requisition);
182 static void ev_view_size_request_dual_page (EvView *view,
183 GtkRequisition *requisition);
184 static void ev_view_size_request_single_page (EvView *view,
185 GtkRequisition *requisition);
186 static void ev_view_size_request (GtkWidget *widget,
187 GtkRequisition *requisition);
188 static void ev_view_size_allocate (GtkWidget *widget,
189 GtkAllocation *allocation);
190 static void ev_view_realize (GtkWidget *widget);
191 static gboolean ev_view_scroll_event (GtkWidget *widget,
192 GdkEventScroll *event);
193 static gboolean ev_view_expose_event (GtkWidget *widget,
194 GdkEventExpose *event);
195 static gboolean ev_view_popup_menu (GtkWidget *widget);
196 static gboolean ev_view_button_press_event (GtkWidget *widget,
197 GdkEventButton *event);
198 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
199 GdkEventMotion *event);
200 static gboolean ev_view_button_release_event (GtkWidget *widget,
201 GdkEventButton *event);
202 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
203 GdkEventCrossing *event);
204 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
205 GdkEventCrossing *event);
206 static void ev_view_style_set (GtkWidget *widget,
207 GtkStyle *old_style);
208 static void ev_view_remove_all (EvView *view);
210 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
213 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
214 static void draw_rubberband (GtkWidget *widget,
216 const GdkRectangle *rect,
218 static void highlight_find_results (EvView *view,
220 static void draw_one_page (EvView *view,
223 GdkRectangle *page_area,
225 GdkRectangle *expose_area,
226 gboolean *page_ready);
227 static void draw_loading_text (EvView *view,
228 GdkRectangle *page_area,
229 GdkRectangle *expose_area);
232 static void find_changed_cb (EvDocument *document,
235 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
238 static void page_changed_cb (EvPageCache *page_cache,
241 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
245 static void ev_view_finalize (GObject *object);
246 static void ev_view_destroy (GtkObject *object);
247 static void ev_view_set_property (GObject *object,
251 static void ev_view_get_property (GObject *object,
255 static void ev_view_class_init (EvViewClass *class);
256 static void ev_view_init (EvView *view);
258 /*** Zoom and sizing ***/
259 static double zoom_for_size_fit_width (int doc_width,
264 static double zoom_for_size_fit_height (int doc_width,
269 static double zoom_for_size_best_fit (int doc_width,
275 static void ev_view_zoom_for_size_presentation (EvView *view,
278 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
283 static void ev_view_zoom_for_size_continuous (EvView *view,
288 static void ev_view_zoom_for_size_dual_page (EvView *view,
293 static void ev_view_zoom_for_size_single_page (EvView *view,
299 static GdkCursor* ev_view_create_invisible_cursor (void);
300 static void ev_view_set_cursor (EvView *view,
301 EvViewCursor new_cursor);
302 static void ev_view_handle_cursor_over_xy (EvView *view,
307 static void update_find_status_message (EvView *view,
309 static void ev_view_set_find_status (EvView *view,
310 const char *message);
311 static void jump_to_find_result (EvView *view);
312 static void jump_to_find_page (EvView *view,
313 EvViewFindDirection direction,
317 static void compute_selections (EvView *view,
320 static void clear_selection (EvView *view);
321 static void selection_free (EvViewSelection *selection);
322 static char* get_selected_text (EvView *ev_view);
323 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
324 GtkSelectionData *selection_data,
327 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
329 static void ev_view_update_primary_selection (EvView *ev_view);
331 /*** Presentation ***/
332 static void ev_view_presentation_transition_start (EvView *ev_view);
333 static void ev_view_presentation_transition_stop (EvView *ev_view);
336 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_LAYOUT)
339 scroll_to_current_page (EvView *view, GtkOrientation orientation)
343 if (view->document == NULL) {
347 doc_point_to_view_point (view, view->current_page, &view->pending_point, &view_point);
349 if (orientation == GTK_ORIENTATION_VERTICAL) {
350 view->pending_point.y = 0;
352 view->pending_point.x = 0;
355 if (orientation == GTK_ORIENTATION_VERTICAL) {
356 if (view->continuous) {
357 gtk_adjustment_clamp_page (view->vadjustment,
358 view_point.y - view->spacing / 2,
359 view_point.y + view->vadjustment->page_size);
361 gtk_adjustment_set_value (view->vadjustment,
363 view->vadjustment->lower,
364 view->vadjustment->upper -
365 view->vadjustment->page_size));
368 if (view->dual_page) {
369 gtk_adjustment_clamp_page (view->hadjustment,
371 view_point.x + view->hadjustment->page_size);
373 gtk_adjustment_set_value (view->hadjustment,
375 view->hadjustment->lower,
376 view->hadjustment->upper -
377 view->hadjustment->page_size));
383 view_set_adjustment_values (EvView *view,
384 GtkOrientation orientation)
386 GtkWidget *widget = GTK_WIDGET (view);
387 GtkAdjustment *adjustment;
394 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
395 requisition = widget->requisition.width;
396 allocation = widget->allocation.width;
397 adjustment = view->hadjustment;
399 requisition = widget->requisition.height;
400 allocation = widget->allocation.height;
401 adjustment = view->vadjustment;
408 switch (view->pending_scroll) {
409 case SCROLL_TO_KEEP_POSITION:
410 case SCROLL_TO_FIND_LOCATION:
411 factor = (adjustment->value) / adjustment->upper;
413 case SCROLL_TO_PAGE_POSITION:
415 case SCROLL_TO_CENTER:
416 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
420 adjustment->page_size = allocation;
421 adjustment->step_increment = allocation * 0.1;
422 adjustment->page_increment = allocation * 0.9;
423 adjustment->lower = 0;
424 adjustment->upper = MAX (allocation, requisition);
427 * We add 0.5 to the values before to average out our rounding errors.
429 switch (view->pending_scroll) {
430 case SCROLL_TO_KEEP_POSITION:
431 case SCROLL_TO_FIND_LOCATION:
432 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
433 gtk_adjustment_set_value (adjustment, (int)new_value);
435 case SCROLL_TO_PAGE_POSITION:
436 scroll_to_current_page (view, orientation);
438 case SCROLL_TO_CENTER:
439 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
440 0, adjustment->upper - adjustment->page_size);
441 gtk_adjustment_set_value (adjustment, (int)new_value);
445 gtk_adjustment_changed (adjustment);
449 view_update_range_and_current_page (EvView *view)
452 gint best_current_page = -1;
454 /* Presentation trumps all other modes */
455 if (view->presentation) {
456 view->start_page = view->current_page;
457 view->end_page = view->current_page;
458 } else if (view->continuous) {
459 GdkRectangle current_area, unused, page_area;
461 gboolean found = FALSE;
462 gint area_max = -1, area;
465 if (!(view->vadjustment && view->hadjustment))
468 current_area.x = view->hadjustment->value;
469 current_area.width = view->hadjustment->upper;
470 current_area.y = view->vadjustment->value;
471 current_area.height = view->vadjustment->page_size;
473 for (i = 0; i < ev_page_cache_get_n_pages (view->page_cache); i++) {
475 get_page_extents (view, i, &page_area, &border);
477 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
478 area = unused.width * unused.height;
482 view->start_page = i;
484 best_current_page = i;
486 if (area > area_max) {
487 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
497 } else if (view->dual_page) {
498 if (view->current_page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) {
499 view->start_page = view->current_page;
500 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache))
501 view->end_page = view->start_page + 1;
503 view->end_page = view->start_page;
505 if (view->current_page < 1)
506 view->start_page = view->current_page;
508 view->start_page = view->current_page - 1;
509 view->end_page = view->current_page;
512 view->start_page = view->current_page;
513 view->end_page = view->current_page;
516 best_current_page = MAX (best_current_page, view->start_page);
517 current_page = ev_page_cache_get_current_page (view->page_cache);
519 if ((current_page != best_current_page) && (view->pending_scroll == SCROLL_TO_KEEP_POSITION)) {
520 view->current_page = best_current_page;
521 ev_page_cache_set_current_page (view->page_cache, best_current_page);
524 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
529 view->selection_info.selections);
533 set_scroll_adjustment (EvView *view,
534 GtkOrientation orientation,
535 GtkAdjustment *adjustment)
537 GtkAdjustment **to_set;
539 if (orientation == GTK_ORIENTATION_HORIZONTAL)
540 to_set = &view->hadjustment;
542 to_set = &view->vadjustment;
544 if (*to_set != adjustment) {
546 g_signal_handlers_disconnect_by_func (*to_set,
547 (gpointer) on_adjustment_value_changed,
549 g_object_unref (*to_set);
552 *to_set = adjustment;
553 view_set_adjustment_values (view, orientation);
556 g_object_ref (*to_set);
557 g_signal_connect (*to_set, "value_changed",
558 G_CALLBACK (on_adjustment_value_changed), view);
564 ev_view_set_scroll_adjustments (GtkLayout *layout,
565 GtkAdjustment *hadjustment,
566 GtkAdjustment *vadjustment)
568 EvView *view = EV_VIEW (layout);
570 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
571 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
573 on_adjustment_value_changed (NULL, view);
577 add_scroll_binding_keypad (GtkBindingSet *binding_set,
579 GdkModifierType modifiers,
583 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
585 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
586 "binding_activated", 2,
587 EV_TYPE_SCROLL_TYPE, scroll,
588 G_TYPE_BOOLEAN, horizontal);
589 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
590 "binding_activated", 2,
591 EV_TYPE_SCROLL_TYPE, scroll,
592 G_TYPE_BOOLEAN, horizontal);
596 ev_view_scroll (EvView *view,
600 GtkAdjustment *adjustment;
601 double value, increment;
602 gboolean first_page = FALSE;
603 gboolean last_page = FALSE;
605 view->jump_to_find_result = FALSE;
607 if (view->presentation || view->sizing_mode == EV_SIZING_BEST_FIT) {
609 case EV_SCROLL_PAGE_BACKWARD:
610 case EV_SCROLL_STEP_BACKWARD:
611 ev_view_previous_page (view);
613 case EV_SCROLL_PAGE_FORWARD:
614 case EV_SCROLL_STEP_FORWARD:
615 ev_view_next_page (view);
623 /* Assign values for increment and vertical adjustment */
624 adjustment = horizontal ? view->hadjustment : view->vadjustment;
625 increment = adjustment->page_size * 0.75;
626 value = adjustment->value;
628 /* Assign boolean for first and last page */
629 if (view->current_page == 0)
631 if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1)
635 case EV_SCROLL_PAGE_BACKWARD:
636 /* Do not jump backwards if at the first page */
637 if (value == (adjustment->lower) && first_page) {
639 /* At the top of a page, assign the upper bound limit of previous page */
640 } else if (value == (adjustment->lower)) {
641 value = adjustment->upper - adjustment->page_size;
642 ev_view_previous_page (view);
643 /* Jump to the top */
645 value = MAX (value - increment, adjustment->lower);
648 case EV_SCROLL_PAGE_FORWARD:
649 /* Do not jump forward if at the last page */
650 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
652 /* At the bottom of a page, assign the lower bound limit of next page */
653 } else if (value == (adjustment->upper - adjustment->page_size)) {
655 ev_view_next_page (view);
656 /* Jump to the bottom */
658 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
661 case EV_SCROLL_STEP_BACKWARD:
662 value -= adjustment->step_increment;
664 case EV_SCROLL_STEP_FORWARD:
665 value += adjustment->step_increment;
667 case EV_SCROLL_STEP_DOWN:
668 value -= adjustment->step_increment / 10;
670 case EV_SCROLL_STEP_UP:
671 value += adjustment->step_increment / 10;
677 value = CLAMP (value, adjustment->lower,
678 adjustment->upper - adjustment->page_size);
680 gtk_adjustment_set_value (adjustment, value);
686 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
688 GtkWidget *widget = GTK_WIDGET (view);
689 GtkAdjustment *adjustment;
692 view->pending_scroll = SCROLL_TO_FIND_LOCATION;
694 adjustment = view->vadjustment;
696 if (rect->y < adjustment->value) {
697 value = MAX (adjustment->lower, rect->y - MARGIN);
698 gtk_adjustment_set_value (view->vadjustment, value);
699 } else if (rect->y + rect->height >
700 adjustment->value + widget->allocation.height) {
701 value = MIN (adjustment->upper, rect->y + rect->height -
702 widget->allocation.height + MARGIN);
703 gtk_adjustment_set_value (view->vadjustment, value);
706 adjustment = view->hadjustment;
708 if (rect->x < adjustment->value) {
709 value = MAX (adjustment->lower, rect->x - MARGIN);
710 gtk_adjustment_set_value (view->hadjustment, value);
711 } else if (rect->x + rect->height >
712 adjustment->value + widget->allocation.width) {
713 value = MIN (adjustment->upper, rect->x + rect->width -
714 widget->allocation.width + MARGIN);
715 gtk_adjustment_set_value (view->hadjustment, value);
718 gtk_widget_queue_resize (GTK_WIDGET (view));
721 /*** Geometry computations ***/
724 compute_border (EvView *view, int width, int height, GtkBorder *border)
726 if (view->presentation) {
732 ev_document_misc_get_page_border_size (width, height, border);
737 get_page_y_offset (EvView *view, int page, double zoom, int *y_offset)
739 int max_width, offset;
742 g_return_if_fail (y_offset != NULL);
744 ev_page_cache_get_max_width (view->page_cache, view->rotation, zoom, &max_width);
746 compute_border (view, max_width, max_width, &border);
748 if (view->dual_page) {
749 ev_page_cache_get_height_to_page (view->page_cache, page,
750 view->rotation, zoom, NULL, &offset);
751 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);
753 ev_page_cache_get_height_to_page (view->page_cache, page,
754 view->rotation, zoom, &offset, NULL);
755 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
763 get_page_extents (EvView *view,
765 GdkRectangle *page_area,
771 widget = GTK_WIDGET (view);
773 /* Get the size of the page */
774 ev_page_cache_get_size (view->page_cache, page,
778 compute_border (view, width, height, border);
779 page_area->width = width + border->left + border->right;
780 page_area->height = height + border->top + border->bottom;
782 if (view->presentation) {
783 page_area->x = (MAX (0, widget->allocation.width - width))/2;
784 page_area->y = (MAX (0, widget->allocation.height - height))/2;
785 } else if (view->continuous) {
789 ev_page_cache_get_max_width (view->page_cache, view->rotation,
790 view->scale, &max_width);
791 max_width = max_width + border->left + border->right;
792 /* Get the location of the bounding box */
793 if (view->dual_page) {
794 x = view->spacing + ((page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? 0 : 1) * (max_width + view->spacing);
795 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
796 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
797 x = x + (max_width - width - border->left - border->right);
800 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
803 get_page_y_offset (view, page, view->scale, &y);
809 if (view->dual_page) {
810 gint width_2, height_2;
811 gint max_width = width;
812 gint max_height = height;
813 GtkBorder overall_border;
816 other_page = (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? page + 1: page - 1;
818 /* First, we get the bounding box of the two pages */
819 if (other_page < ev_page_cache_get_n_pages (view->page_cache)
820 && (0 <= other_page)) {
821 ev_page_cache_get_size (view->page_cache,
825 &width_2, &height_2);
828 if (height_2 > height)
829 max_height = height_2;
831 compute_border (view, max_width, max_height, &overall_border);
833 /* Find the offsets */
837 /* Adjust for being the left or right page */
838 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
839 x = x + max_width - width;
841 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
843 y = y + (max_height - height)/2;
845 /* Adjust for extra allocation */
846 x = x + MAX (0, widget->allocation.width -
847 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
848 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
853 /* Adjust for extra allocation */
854 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
855 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
866 view_point_to_doc_point (EvView *view,
867 GdkPoint *view_point,
868 GdkRectangle *page_area,
872 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
873 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
877 view_rect_to_doc_rect (EvView *view,
878 GdkRectangle *view_rect,
879 GdkRectangle *page_area,
880 EvRectangle *doc_rect)
882 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
883 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
884 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
885 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
889 doc_point_to_view_point (EvView *view,
892 GdkPoint *view_point)
894 GdkRectangle page_area;
896 double x, y, view_x, view_y;
899 ev_page_cache_get_size (view->page_cache, page,
904 if (view->rotation == 0) {
907 } else if (view->rotation == 90) {
908 x = width - doc_point->y;
910 } else if (view->rotation == 180) {
911 x = width - doc_point->x;
912 y = height - doc_point->y;
913 } else if (view->rotation == 270) {
915 y = height - doc_point->x;
917 g_assert_not_reached ();
920 get_page_extents (view, page, &page_area, &border);
922 view_x = x * view->scale;
923 view_y = y * view->scale;
924 view_point->x = view_x + page_area.x;
925 view_point->y = view_y + page_area.y;
927 return (view_x > 0 && view_x <= page_area.width &&
928 view_y > 0 && view_y <= page_area.height);
932 doc_rect_to_view_rect (EvView *view,
934 EvRectangle *doc_rect,
935 GdkRectangle *view_rect)
937 GdkRectangle page_area;
942 ev_page_cache_get_size (view->page_cache, page,
947 if (view->rotation == 0) {
950 w = doc_rect->x2 - doc_rect->x1;
951 h = doc_rect->y2 - doc_rect->y1;
952 } else if (view->rotation == 90) {
953 x = width - doc_rect->y2;
955 w = doc_rect->y2 - doc_rect->y1;
956 h = doc_rect->x2 - doc_rect->x1;
957 } else if (view->rotation == 180) {
958 x = width - doc_rect->x2;
959 y = height - doc_rect->y2;
960 w = doc_rect->x2 - doc_rect->x1;
961 h = doc_rect->y2 - doc_rect->y1;
962 } else if (view->rotation == 270) {
964 y = height - doc_rect->x2;
965 w = doc_rect->y2 - doc_rect->y1;
966 h = doc_rect->x2 - doc_rect->x1;
968 g_assert_not_reached ();
971 get_page_extents (view, page, &page_area, &border);
973 view_rect->x = x * view->scale + page_area.x;
974 view_rect->y = y * view->scale + page_area.y;
975 view_rect->width = w * view->scale;
976 view_rect->height = h * view->scale;
980 find_page_at_location (EvView *view,
989 if (view->document == NULL)
996 for (i = view->start_page; i <= view->end_page; i++) {
997 GdkRectangle page_area;
1000 if (! get_page_extents (view, i, &page_area, &border))
1003 if ((x >= page_area.x + border.left) &&
1004 (x < page_area.x + page_area.width - border.right) &&
1005 (y >= page_area.y + border.top) &&
1006 (y < page_area.y + page_area.height - border.bottom)) {
1008 *x_offset = x - (page_area.x + border.left);
1009 *y_offset = y - (page_area.y + border.top);
1018 location_in_text (EvView *view,
1024 gint x_offset = 0, y_offset = 0;
1026 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1031 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
1034 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1040 ev_view_get_width (EvView *view)
1042 return GTK_WIDGET (view)->allocation.width;
1046 ev_view_get_height (EvView *view)
1048 return GTK_WIDGET (view)->allocation.height;
1052 location_in_selected_text (EvView *view,
1057 gint x_offset = 0, y_offset = 0;
1058 EvViewSelection *selection;
1061 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1062 selection = (EvViewSelection *)l->data;
1064 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1066 if (page != selection->page)
1069 if (selection->covered_region &&
1070 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1078 get_doc_point_from_offset (EvView *view,
1088 ev_page_cache_get_size (view->page_cache, page,
1093 x_offset = x_offset / view->scale;
1094 y_offset = y_offset / view->scale;
1096 if (view->rotation == 0) {
1099 } else if (view->rotation == 90) {
1101 y = width - x_offset;
1102 } else if (view->rotation == 180) {
1103 x = width - x_offset;
1104 y = height - y_offset;
1105 } else if (view->rotation == 270) {
1106 x = height - y_offset;
1109 g_assert_not_reached ();
1120 ev_view_get_link_at_location (EvView *view,
1125 gint x_offset = 0, y_offset = 0;
1126 gint x_new = 0, y_new = 0;
1127 GList *link_mapping;
1129 if (!EV_IS_DOCUMENT_LINKS (view->document))
1132 x += view->scroll_x;
1133 y += view->scroll_y;
1135 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1141 if (get_doc_point_from_offset (view, page, x_offset,
1142 y_offset, &x_new, &y_new) == FALSE)
1145 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1148 return ev_link_mapping_find (link_mapping, x_new, y_new);
1154 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1159 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - ev_link_dest_get_left (dest),
1160 ev_link_dest_get_bottom (dest) - ev_link_dest_get_top (dest),
1161 ev_view_get_width (view),
1162 ev_view_get_height (view), 0, 0);
1164 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1165 ev_view_set_zoom (view, zoom, FALSE);
1167 doc_point.x = ev_link_dest_get_left (dest);
1168 doc_point.y = ev_link_dest_get_top (dest);
1170 view->current_page = ev_link_dest_get_page (dest);
1171 view->pending_point = doc_point;
1172 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1174 gtk_widget_queue_resize (GTK_WIDGET (view));
1178 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1181 int doc_width, doc_height, page;
1184 page = ev_link_dest_get_page (dest);
1185 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1187 doc_point.x = ev_link_dest_get_left (dest);
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;
1198 view->pending_point = doc_point;
1199 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1201 gtk_widget_queue_resize (GTK_WIDGET (view));
1205 goto_fith_dest (EvView *view, EvLinkDest *dest)
1208 int doc_width, doc_height, page;
1211 page = ev_link_dest_get_page (dest);
1212 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1215 doc_point.y = ev_link_dest_get_top (dest);
1217 zoom = zoom_for_size_fit_width (doc_width, ev_link_dest_get_top (dest),
1218 ev_view_get_width (view),
1219 ev_view_get_height (view), 0);
1221 ev_view_set_sizing_mode (view, EV_SIZING_FIT_WIDTH);
1222 ev_view_set_zoom (view, zoom, FALSE);
1224 view->current_page = page;
1225 view->pending_point = doc_point;
1226 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1228 gtk_widget_queue_resize (GTK_WIDGET (view));
1232 goto_fit_dest (EvView *view, EvLinkDest *dest)
1235 int doc_width, doc_height;
1238 page = ev_link_dest_get_page (dest);
1239 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1241 zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view),
1242 ev_view_get_height (view), 0, 0);
1244 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
1245 ev_view_set_zoom (view, zoom, FALSE);
1247 view->current_page = page;
1248 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1250 gtk_widget_queue_resize (GTK_WIDGET (view));
1254 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1260 zoom = ev_link_dest_get_zoom (dest);
1261 page = ev_link_dest_get_page (dest);
1264 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1265 ev_view_set_zoom (view, zoom, FALSE);
1268 doc_point.x = ev_link_dest_get_left (dest);
1269 doc_point.y = ev_link_dest_get_top (dest);
1271 view->current_page = page;
1272 view->pending_point = doc_point;
1273 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1275 gtk_widget_queue_resize (GTK_WIDGET (view));
1279 goto_dest (EvView *view, EvLinkDest *dest)
1281 EvLinkDestType type;
1282 int page, n_pages, current_page;
1284 page = ev_link_dest_get_page (dest);
1285 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1287 if (page < 0 || page >= n_pages)
1290 current_page = view->current_page;
1292 type = ev_link_dest_get_dest_type (dest);
1295 case EV_LINK_DEST_TYPE_PAGE:
1296 ev_page_cache_set_current_page (view->page_cache, page);
1298 case EV_LINK_DEST_TYPE_FIT:
1299 goto_fit_dest (view, dest);
1301 case EV_LINK_DEST_TYPE_FITH:
1302 goto_fith_dest (view, dest);
1304 case EV_LINK_DEST_TYPE_FITV:
1305 goto_fitv_dest (view, dest);
1307 case EV_LINK_DEST_TYPE_FITR:
1308 goto_fitr_dest (view, dest);
1310 case EV_LINK_DEST_TYPE_XYZ:
1311 goto_xyz_dest (view, dest);
1313 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1314 ev_page_cache_set_page_label (view->page_cache, ev_link_dest_get_page_label (dest));
1317 g_assert_not_reached ();
1320 if (current_page != view->current_page)
1321 ev_page_cache_set_current_page (view->page_cache,
1322 view->current_page);
1326 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1328 EvLinkDestType type;
1330 type = ev_link_dest_get_dest_type (dest);
1332 if (type == EV_LINK_DEST_TYPE_NAMED) {
1334 const gchar *named_dest;
1336 named_dest = ev_link_dest_get_named_dest (dest);
1337 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1340 goto_dest (view, dest2);
1341 g_object_unref (dest2);
1347 goto_dest (view, dest);
1351 ev_view_handle_link (EvView *view, EvLink *link)
1353 EvLinkAction *action = NULL;
1354 EvLinkActionType type;
1356 action = ev_link_get_action (link);
1360 type = ev_link_action_get_action_type (action);
1363 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1366 g_signal_emit (view, signals[SIGNAL_HANDLE_LINK], 0, link);
1368 dest = ev_link_action_get_dest (action);
1369 ev_view_goto_dest (view, dest);
1372 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1373 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1374 case EV_LINK_ACTION_TYPE_LAUNCH:
1375 case EV_LINK_ACTION_TYPE_NAMED:
1376 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1382 ev_view_page_label_from_dest (EvView *view, EvLinkDest *dest)
1384 EvLinkDestType type;
1387 type = ev_link_dest_get_dest_type (dest);
1390 case EV_LINK_DEST_TYPE_NAMED: {
1392 const gchar *named_dest;
1394 named_dest = ev_link_dest_get_named_dest (dest);
1395 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1398 msg = ev_page_cache_get_page_label (view->page_cache,
1399 ev_link_dest_get_page (dest2));
1400 g_object_unref (dest2);
1405 case EV_LINK_DEST_TYPE_PAGE_LABEL: {
1406 msg = g_strdup (ev_link_dest_get_page_label (dest));
1410 msg = ev_page_cache_get_page_label (view->page_cache,
1411 ev_link_dest_get_page (dest));
1418 tip_from_action_named (EvLinkAction *action)
1420 const gchar *name = ev_link_action_get_name (action);
1422 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1423 return g_strdup (_("Go to first page"));
1424 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1425 return g_strdup (_("Go to previous page"));
1426 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1427 return g_strdup (_("Go to next page"));
1428 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1429 return g_strdup (_("Go to last page"));
1430 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1431 return g_strdup (_("Go to page"));
1432 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1433 return g_strdup (_("Find"));
1440 tip_from_link (EvView *view, EvLink *link)
1442 EvLinkAction *action;
1443 EvLinkActionType type;
1448 action = ev_link_get_action (link);
1449 title = ev_link_get_title (link);
1452 return title ? g_strdup (title) : NULL;
1454 type = ev_link_action_get_action_type (action);
1457 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1458 page_label = ev_view_page_label_from_dest (view,
1459 ev_link_action_get_dest (action));
1461 msg = g_strdup_printf (_("Go to page %s"), page_label);
1462 g_free (page_label);
1465 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1467 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1468 ev_link_action_get_filename (action));
1470 msg = g_strdup_printf (_("Go to file “%s”"),
1471 ev_link_action_get_filename (action));
1474 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1475 msg = g_strdup (ev_link_action_get_uri (action));
1477 case EV_LINK_ACTION_TYPE_LAUNCH:
1478 msg = g_strdup_printf (_("Launch %s"),
1479 ev_link_action_get_filename (action));
1481 case EV_LINK_ACTION_TYPE_NAMED:
1482 msg = tip_from_action_named (action);
1486 msg = g_strdup (title);
1494 ev_view_handle_cursor_over_xy (EvView *view, gint x, gint y)
1499 if (view->cursor == EV_VIEW_CURSOR_HIDDEN)
1502 link = ev_view_get_link_at_location (view, x, y);
1504 #if !GTK_CHECK_VERSION (2, 11, 7)
1505 if (view->link_tooltip == NULL) {
1506 view->link_tooltip = ev_tooltip_new (GTK_WIDGET (view));
1509 if (view->hovered_link != link) {
1510 view->hovered_link = link;
1511 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
1516 #if GTK_CHECK_VERSION (2, 11, 7)
1517 g_object_set (view, "has-tooltip", TRUE, NULL);
1519 char *msg = tip_from_link (view, link);
1521 if (msg && g_utf8_validate (msg, -1, NULL)) {
1522 EvTooltip *tooltip = EV_TOOLTIP (view->link_tooltip);
1524 ev_tooltip_set_position (tooltip, x, y);
1525 ev_tooltip_set_text (tooltip, msg);
1526 ev_tooltip_activate (tooltip);
1530 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1531 } else if ((field = ev_view_get_form_field_at_location (view, x, y))) {
1532 if (field->is_read_only) {
1533 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1534 view->cursor == EV_VIEW_CURSOR_IBEAM)
1535 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1536 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
1537 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1539 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1541 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1542 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1544 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1545 view->cursor == EV_VIEW_CURSOR_IBEAM)
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,
1628 ev_form_field_mapping_get_area (forms_mapping, field, &field_area);
1629 doc_rect_to_view_rect (view, field->page, &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,
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 (GPOINTER_TO_INT (field_choice->selected_items->data) != item) {
1877 g_list_free (field_choice->selected_items);
1878 field_choice->selected_items = NULL;
1879 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1880 GINT_TO_POINTER (item));
1881 field->changed = TRUE;
1884 if (GTK_IS_COMBO_BOX_ENTRY (widget)) {
1887 text = gtk_combo_box_get_active_text (GTK_COMBO_BOX (widget));
1888 if (!field_choice->text ||
1889 (field_choice->text && g_ascii_strcasecmp (field_choice->text, text) != 0)) {
1890 g_free (field_choice->text);
1891 field_choice->text = text;
1892 field->changed = TRUE;
1895 } else if (GTK_IS_TREE_SELECTION (widget)) {
1896 GtkTreeSelection *selection = GTK_TREE_SELECTION (widget);
1897 GtkTreeModel *model;
1900 items = gtk_tree_selection_get_selected_rows (selection, &model);
1901 g_list_free (field_choice->selected_items);
1902 field_choice->selected_items = NULL;
1904 for (l = items; l && l->data; l = g_list_next (l)) {
1906 GtkTreePath *path = (GtkTreePath *)l->data;
1909 gtk_tree_model_get_iter (model, &iter, path);
1910 gtk_tree_model_get (model, &iter, 1, &item, -1);
1912 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1913 GINT_TO_POINTER (item));
1915 gtk_tree_path_free (path);
1918 g_list_free (items);
1920 field->changed = TRUE;
1925 ev_view_form_field_choice_create_widget (EvView *view,
1928 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
1930 GtkTreeModel *model;
1932 gint selected_item = 0;
1934 n_items = ev_document_forms_form_field_choice_get_n_items (EV_DOCUMENT_FORMS (view->document),
1936 model = GTK_TREE_MODEL (gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT));
1937 for (i = 0; i < n_items; i++) {
1941 item = ev_document_forms_form_field_choice_get_item (EV_DOCUMENT_FORMS (view->document),
1943 if (ev_document_forms_form_field_choice_is_item_selected (
1944 EV_DOCUMENT_FORMS (view->document), field, i)) {
1946 /* FIXME: we need a get_selected_items function in poppler */
1947 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1948 GINT_TO_POINTER (i));
1952 gtk_list_store_append (GTK_LIST_STORE (model), &iter);
1953 gtk_list_store_set (GTK_LIST_STORE (model), &iter,
1961 if (field_choice->type == EV_FORM_FIELD_CHOICE_LIST) {
1962 GtkCellRenderer *renderer;
1963 GtkWidget *tree_view;
1964 GtkTreeSelection *selection;
1966 tree_view = gtk_tree_view_new_with_model (model);
1967 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);
1969 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
1970 if (field_choice->multi_select) {
1971 gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
1974 /* TODO: set selected items */
1976 renderer = gtk_cell_renderer_text_new ();
1977 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
1983 choice = gtk_scrolled_window_new (NULL, NULL);
1984 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (choice),
1985 GTK_POLICY_AUTOMATIC,
1986 GTK_POLICY_AUTOMATIC);
1987 gtk_container_add (GTK_CONTAINER (choice), tree_view);
1988 gtk_widget_show (tree_view);
1990 g_signal_connect (G_OBJECT (selection), "changed",
1991 G_CALLBACK (ev_view_form_field_choice_changed),
1993 g_signal_connect_after (G_OBJECT (selection), "changed",
1994 G_CALLBACK (ev_view_form_field_destroy),
1996 } else if (field_choice->is_editable) { /* ComboBoxEntry */
1999 choice = gtk_combo_box_entry_new_with_model (model, 0);
2000 text = ev_document_forms_form_field_choice_get_text (EV_DOCUMENT_FORMS (view->document), field);
2002 gtk_entry_set_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (choice))), text);
2006 g_signal_connect (G_OBJECT (choice), "changed",
2007 G_CALLBACK (ev_view_form_field_choice_changed),
2009 g_signal_connect_after (G_OBJECT (GTK_BIN (choice)->child), "activate",
2010 G_CALLBACK (ev_view_form_field_destroy),
2012 } else { /* ComboBoxText */
2013 GtkCellRenderer *renderer;
2015 choice = gtk_combo_box_new_with_model (model);
2016 renderer = gtk_cell_renderer_text_new ();
2017 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (choice),
2019 gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (choice),
2023 gtk_combo_box_set_active (GTK_COMBO_BOX (choice), selected_item);
2024 gtk_combo_box_popup (GTK_COMBO_BOX (choice));
2026 g_signal_connect (G_OBJECT (choice), "changed",
2027 G_CALLBACK (ev_view_form_field_choice_changed),
2029 g_signal_connect_after (G_OBJECT (choice), "changed",
2030 G_CALLBACK (ev_view_form_field_destroy),
2034 g_object_unref (model);
2036 g_object_weak_ref (G_OBJECT (choice),
2037 (GWeakNotify)ev_view_form_field_choice_save,
2044 ev_view_handle_form_field (EvView *view,
2049 GtkWidget *field_widget = NULL;
2050 GList *form_field_mapping;
2051 EvRectangle field_area;
2052 GdkRectangle view_area;
2054 if (field->is_read_only)
2057 if (EV_IS_FORM_FIELD_BUTTON (field)) {
2058 field_widget = ev_view_form_field_button_create_widget (view, field);
2059 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
2060 field_widget = ev_view_form_field_text_create_widget (view, field);
2061 } else if (EV_IS_FORM_FIELD_CHOICE (field)) {
2062 field_widget = ev_view_form_field_choice_create_widget (view, field);
2063 } else if (EV_IS_FORM_FIELD_SIGNATURE (field)) {
2067 /* Form field doesn't require a widget */
2071 g_object_set_data_full (G_OBJECT (field_widget), "form-field",
2072 g_object_ref (field),
2073 (GDestroyNotify)g_object_unref);
2075 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, field->page);
2076 ev_form_field_mapping_get_area (form_field_mapping, field, &field_area);
2078 doc_rect_to_view_rect (view, field->page, &field_area, &view_area);
2079 view_area.x -= view->scroll_x;
2080 view_area.y -= view->scroll_y;
2082 gtk_layout_put (GTK_LAYOUT (view), field_widget, view_area.x, view_area.y);
2083 gtk_widget_show (field_widget);
2084 gtk_widget_grab_focus (field_widget);
2087 /*** GtkWidget implementation ***/
2090 ev_view_size_request_continuous_dual_page (EvView *view,
2091 GtkRequisition *requisition)
2097 ev_page_cache_get_max_width (view->page_cache, view->rotation,
2098 view->scale, &max_width);
2099 compute_border (view, max_width, max_width, &border);
2101 n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1;
2103 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
2104 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
2106 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2107 requisition->width = 1;
2108 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2109 requisition->width = 1;
2110 /* FIXME: This could actually be set on one page docs or docs
2111 * with a strange aspect ratio. */
2112 /* requisition->height = 1;*/
2117 ev_view_size_request_continuous (EvView *view,
2118 GtkRequisition *requisition)
2125 ev_page_cache_get_max_width (view->page_cache, view->rotation,
2126 view->scale, &max_width);
2127 n_pages = ev_page_cache_get_n_pages (view->page_cache);
2128 compute_border (view, max_width, max_width, &border);
2130 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
2131 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
2133 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2134 requisition->width = 1;
2135 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2136 requisition->width = 1;
2137 /* FIXME: This could actually be set on one page docs or docs
2138 * with a strange aspect ratio. */
2139 /* requisition->height = 1;*/
2144 ev_view_size_request_dual_page (EvView *view,
2145 GtkRequisition *requisition)
2150 /* Find the largest of the two. */
2151 ev_page_cache_get_size (view->page_cache,
2156 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) {
2157 gint width_2, height_2;
2158 ev_page_cache_get_size (view->page_cache,
2159 view->current_page + 1,
2162 &width_2, &height_2);
2163 if (width_2 > width) {
2168 compute_border (view, width, height, &border);
2170 requisition->width = ((width + border.left + border.right) * 2) +
2171 (view->spacing * 3);
2172 requisition->height = (height + border.top + border.bottom) +
2173 (view->spacing * 2);
2175 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2176 requisition->width = 1;
2177 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2178 requisition->width = 1;
2179 requisition->height = 1;
2184 ev_view_size_request_single_page (EvView *view,
2185 GtkRequisition *requisition)
2190 ev_page_cache_get_size (view->page_cache,
2195 compute_border (view, width, height, &border);
2197 requisition->width = width + border.left + border.right + (2 * view->spacing);
2198 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2200 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2201 requisition->width = 1;
2202 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2203 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2204 requisition->width = 1;
2205 requisition->height = 1;
2210 ev_view_size_request (GtkWidget *widget,
2211 GtkRequisition *requisition)
2213 EvView *view = EV_VIEW (widget);
2215 if (view->document == NULL) {
2216 requisition->width = 1;
2217 requisition->height = 1;
2221 if (view->presentation) {
2222 requisition->width = 1;
2223 requisition->height = 1;
2227 if (view->continuous && view->dual_page)
2228 ev_view_size_request_continuous_dual_page (view, requisition);
2229 else if (view->continuous)
2230 ev_view_size_request_continuous (view, requisition);
2231 else if (view->dual_page)
2232 ev_view_size_request_dual_page (view, requisition);
2234 ev_view_size_request_single_page (view, requisition);
2238 ev_view_size_allocate (GtkWidget *widget,
2239 GtkAllocation *allocation)
2241 EvView *view = EV_VIEW (widget);
2242 GList *children, *l;
2244 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
2246 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2247 view->sizing_mode == EV_SIZING_BEST_FIT) {
2249 g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0);
2251 ev_view_size_request (widget, &widget->requisition);
2254 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
2255 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
2258 view_update_range_and_current_page (view);
2260 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2261 view->pending_resize = FALSE;
2263 children = gtk_container_get_children (GTK_CONTAINER (widget));
2264 for (l = children; l && l->data; l = g_list_next (l)) {
2266 EvRectangle field_area;
2267 GdkRectangle view_area;
2268 GList *form_field_mapping;
2269 GtkAllocation child_allocation;
2270 GtkRequisition child_requisition;
2271 GtkWidget *child = (GtkWidget *)l->data;
2273 field = g_object_get_data (G_OBJECT (child), "form-field");
2277 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
2279 ev_form_field_mapping_get_area (form_field_mapping, field, &field_area);
2281 doc_rect_to_view_rect (view, field->page, &field_area, &view_area);
2282 view_area.x -= view->scroll_x;
2283 view_area.y -= view->scroll_y;
2285 gtk_widget_size_request (child, &child_requisition);
2286 if (child_requisition.width != view_area.width ||
2287 child_requisition.height != view_area.height)
2288 gtk_widget_set_size_request (child, view_area.width, view_area.height);
2290 gtk_container_child_get (GTK_CONTAINER (widget),
2292 "x", &child_allocation.x,
2293 "y", &child_allocation.y,
2295 if (child_allocation.x != view_area.x ||
2296 child_allocation.y != view_area.y) {
2297 gtk_layout_move (GTK_LAYOUT (widget), child, view_area.x, view_area.y);
2300 g_list_free (children);
2304 ev_view_realize (GtkWidget *widget)
2306 EvView *view = EV_VIEW (widget);
2308 if (GTK_WIDGET_CLASS (ev_view_parent_class)->realize)
2309 (* GTK_WIDGET_CLASS (ev_view_parent_class)->realize) (widget);
2311 gdk_window_set_events (view->layout.bin_window,
2312 (gdk_window_get_events (view->layout.bin_window) |
2314 GDK_BUTTON_PRESS_MASK |
2315 GDK_BUTTON_RELEASE_MASK |
2317 GDK_KEY_PRESS_MASK |
2318 GDK_POINTER_MOTION_MASK |
2319 GDK_POINTER_MOTION_HINT_MASK |
2320 GDK_ENTER_NOTIFY_MASK |
2321 GDK_LEAVE_NOTIFY_MASK));
2323 if (view->presentation)
2324 gdk_window_set_background (view->layout.bin_window, &widget->style->black);
2326 gdk_window_set_background (view->layout.bin_window, &widget->style->mid [GTK_STATE_NORMAL]);
2330 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
2332 EvView *view = EV_VIEW (widget);
2335 state = event->state & gtk_accelerator_get_default_mod_mask ();
2337 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
2338 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
2340 if (event->direction == GDK_SCROLL_UP ||
2341 event->direction == GDK_SCROLL_LEFT) {
2342 if (ev_view_can_zoom_in (view)) {
2343 ev_view_zoom_in (view);
2346 if (ev_view_can_zoom_out (view)) {
2347 ev_view_zoom_out (view);
2354 view->jump_to_find_result = FALSE;
2355 /* Shift+Wheel scrolls the in the perpendicular direction */
2356 if (state & GDK_SHIFT_MASK) {
2357 if (event->direction == GDK_SCROLL_UP)
2358 event->direction = GDK_SCROLL_LEFT;
2359 if (event->direction == GDK_SCROLL_LEFT)
2360 event->direction = GDK_SCROLL_UP;
2361 if (event->direction == GDK_SCROLL_DOWN)
2362 event->direction = GDK_SCROLL_RIGHT;
2363 if (event->direction == GDK_SCROLL_RIGHT)
2364 event->direction = GDK_SCROLL_DOWN;
2366 event->state &= ~GDK_SHIFT_MASK;
2367 state &= ~GDK_SHIFT_MASK;
2370 if (state == 0 && view->presentation) {
2371 switch (event->direction) {
2372 case GDK_SCROLL_DOWN:
2373 case GDK_SCROLL_RIGHT:
2374 ev_view_next_page (view);
2377 case GDK_SCROLL_LEFT:
2378 ev_view_previous_page (view);
2388 static EvViewSelection *
2389 find_selection_for_page (EvView *view,
2394 for (list = view->selection_info.selections; list != NULL; list = list->next) {
2395 EvViewSelection *selection;
2397 selection = (EvViewSelection *) list->data;
2399 if (selection->page == page)
2407 draw_end_presentation_page (EvView *view,
2408 GdkRectangle *page_area)
2410 PangoLayout *layout;
2411 PangoFontDescription *font_desc;
2413 const gchar *text = _("End of presentation. Press Escape to exit.");
2415 if (view->presentation_state != EV_PRESENTATION_END)
2418 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), NULL);
2419 markup = g_strdup_printf ("<span foreground=\"white\">%s</span>", text);
2420 pango_layout_set_markup (layout, markup, -1);
2423 font_desc = pango_font_description_new ();
2424 pango_font_description_set_size (font_desc, 16 * PANGO_SCALE);
2425 pango_layout_set_font_description (layout, font_desc);
2427 gtk_paint_layout (GTK_WIDGET (view)->style,
2428 view->layout.bin_window,
2429 GTK_WIDGET_STATE (view),
2438 pango_font_description_free (font_desc);
2439 g_object_unref (layout);
2443 ev_view_expose_event (GtkWidget *widget,
2444 GdkEventExpose *event)
2446 EvView *view = EV_VIEW (widget);
2450 if (view->presentation) {
2451 switch (view->presentation_state) {
2452 case EV_PRESENTATION_END: {
2453 GdkRectangle area = {0};
2455 area.width = widget->allocation.width;
2456 area.height = widget->allocation.height;
2458 draw_end_presentation_page (view, &area);
2461 case EV_PRESENTATION_BLACK:
2462 case EV_PRESENTATION_WHITE:
2464 case EV_PRESENTATION_NORMAL:
2468 } else if (view->loading) {
2469 GdkRectangle area = {0};
2471 area.width = widget->allocation.width;
2472 area.height = widget->allocation.height;
2474 draw_loading_text (view,
2479 if (view->document == NULL)
2482 cr = gdk_cairo_create (view->layout.bin_window);
2484 for (i = view->start_page; i <= view->end_page; i++) {
2485 GdkRectangle page_area;
2487 gboolean page_ready = TRUE;
2489 if (!get_page_extents (view, i, &page_area, &border))
2492 page_area.x -= view->scroll_x;
2493 page_area.y -= view->scroll_y;
2495 draw_one_page (view, i, cr, &page_area, &border, &(event->area), &page_ready);
2497 if (page_ready && EV_IS_DOCUMENT_FIND (view->document))
2498 highlight_find_results (view, i);
2503 if (GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event)
2504 (* GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) (widget, event);
2510 ev_view_do_popup_menu (EvView *view,
2517 image = ev_view_get_image_at_location (view, x, y);
2519 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, image);
2523 link = ev_view_get_link_at_location (view, x, y);
2525 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
2529 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, NULL);
2535 ev_view_popup_menu (GtkWidget *widget)
2539 gtk_widget_get_pointer (widget, &x, &y);
2540 return ev_view_do_popup_menu (EV_VIEW (widget), x, y);
2543 #if GTK_CHECK_VERSION (2, 11, 7)
2545 get_link_area (EvView *view,
2551 EvRectangle ev_rect;
2552 GList *link_mapping;
2554 gint x_offset = 0, y_offset = 0;
2556 x += view->scroll_x;
2557 y += view->scroll_y;
2559 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
2561 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
2562 ev_link_mapping_get_area (link_mapping, link, &ev_rect);
2564 doc_rect_to_view_rect (view, page, &ev_rect, area);
2565 area->y -= view->scroll_y ;
2569 ev_view_query_tooltip (GtkWidget *widget,
2572 gboolean keyboard_tip,
2573 GtkTooltip *tooltip)
2575 EvView *view = EV_VIEW (widget);
2579 link = ev_view_get_link_at_location (view, x, y);
2583 text = tip_from_link (view, link);
2584 if (text && g_utf8_validate (text, -1, NULL)) {
2585 GdkRectangle link_area;
2587 get_link_area (view, x, y, link, &link_area);
2588 gtk_tooltip_set_text (tooltip, text);
2589 gtk_tooltip_set_tip_area (tooltip, &link_area);
2595 #endif /* GTK_CHECK_VERSION (2, 11, 7) */
2598 ev_view_button_press_event (GtkWidget *widget,
2599 GdkEventButton *event)
2601 EvView *view = EV_VIEW (widget);
2603 if (!view->document)
2606 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
2607 gtk_widget_grab_focus (widget);
2610 view->pressed_button = event->button;
2611 view->selection_info.in_drag = FALSE;
2613 switch (event->button) {
2618 if (view->selection_info.selections) {
2619 if (location_in_selected_text (view,
2620 event->x + view->scroll_x,
2621 event->y + view->scroll_y)) {
2622 view->selection_info.in_drag = TRUE;
2624 clear_selection (view);
2626 view->selection_info.start.x = event->x + view->scroll_x;
2627 view->selection_info.start.y = event->y + view->scroll_y;
2630 gtk_widget_queue_draw (widget);
2631 } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) &&
2632 (image = ev_view_get_image_at_location (view, event->x, event->y))) {
2633 if (view->image_dnd_info.image)
2634 g_object_unref (view->image_dnd_info.image);
2635 view->image_dnd_info.image = g_object_ref (image);
2636 view->image_dnd_info.in_drag = TRUE;
2638 view->image_dnd_info.start.x = event->x + view->scroll_x;
2639 view->image_dnd_info.start.y = event->y + view->scroll_y;
2640 } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) {
2641 ev_view_remove_all (view);
2642 ev_view_handle_form_field (view, field, event->x, event->y);
2644 ev_view_remove_all (view);
2645 view->selection_info.start.x = event->x + view->scroll_x;
2646 view->selection_info.start.y = event->y + view->scroll_y;
2651 /* use root coordinates as reference point because
2652 * scrolling changes window relative coordinates */
2653 view->drag_info.start.x = event->x_root;
2654 view->drag_info.start.y = event->y_root;
2655 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
2656 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
2658 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
2662 return ev_view_do_popup_menu (view, event->x, event->y);
2669 ev_view_remove_all (EvView *view)
2671 GList *children, *child;
2673 children = gtk_container_get_children (GTK_CONTAINER (view));
2674 for (child = children; child && child->data; child = g_list_next (child)) {
2675 gtk_container_remove (GTK_CONTAINER (view),
2676 GTK_WIDGET (child->data));
2678 g_list_free (children);
2681 /*** Drag and Drop ***/
2683 ev_view_drag_data_get (GtkWidget *widget,
2684 GdkDragContext *context,
2685 GtkSelectionData *selection_data,
2689 EvView *view = EV_VIEW (widget);
2692 case TARGET_DND_TEXT:
2693 if (view->selection_info.selections &&
2694 ev_document_can_get_text (view->document)) {
2697 text = get_selected_text (view);
2699 gtk_selection_data_set_text (selection_data,
2706 case TARGET_DND_IMAGE:
2707 if (view->image_dnd_info.image) {
2710 pixbuf = ev_image_get_pixbuf (view->image_dnd_info.image);
2711 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
2714 case TARGET_DND_URI:
2715 if (view->image_dnd_info.image) {
2716 const gchar *tmp_uri;
2719 tmp_uri = ev_image_save_tmp (view->image_dnd_info.image);
2721 uris = g_new0 (gchar *, 2);
2722 uris[0] = (gchar *)tmp_uri;
2724 gtk_selection_data_set_uris (selection_data, uris);
2726 /* g_free instead of g_strfreev since tmp_uri is const */
2733 ev_view_drag_motion (GtkWidget *widget,
2734 GdkDragContext *context,
2739 if (gtk_drag_get_source_widget (context) == widget)
2740 gdk_drag_status (context, 0, time);
2742 gdk_drag_status (context, context->suggested_action, time);
2748 ev_view_drag_data_received (GtkWidget *widget,
2749 GdkDragContext *context,
2752 GtkSelectionData *selection_data,
2758 GSList *uri_list = NULL;
2760 uris = gtk_selection_data_get_uris (selection_data);
2762 gtk_drag_finish (context, FALSE, FALSE, time);
2766 for (i = 0; uris[i]; i++) {
2767 uri_list = g_slist_prepend (uri_list, (gpointer) uris[i]);
2770 ev_application_open_uri_list (EV_APP, uri_list,
2771 gtk_widget_get_screen (widget),
2773 gtk_drag_finish (context, TRUE, FALSE, time);
2776 g_slist_free (uri_list);
2781 selection_update_idle_cb (EvView *view)
2783 compute_selections (view, &view->selection_info.start, &view->motion);
2784 view->selection_update_id = 0;
2789 selection_scroll_timeout_cb (EvView *view)
2791 gint x, y, shift = 0;
2792 GtkWidget *widget = GTK_WIDGET (view);
2794 gtk_widget_get_pointer (widget, &x, &y);
2796 if (y > widget->allocation.height) {
2797 shift = (y - widget->allocation.height) / 2;
2803 gtk_adjustment_set_value (view->vadjustment,
2804 CLAMP (view->vadjustment->value + shift,
2805 view->vadjustment->lower,
2806 view->vadjustment->upper -
2807 view->vadjustment->page_size));
2809 if (x > widget->allocation.width) {
2810 shift = (x - widget->allocation.width) / 2;
2816 gtk_adjustment_set_value (view->hadjustment,
2817 CLAMP (view->hadjustment->value + shift,
2818 view->hadjustment->lower,
2819 view->hadjustment->upper -
2820 view->hadjustment->page_size));
2826 ev_view_motion_notify_event (GtkWidget *widget,
2827 GdkEventMotion *event)
2829 EvView *view = EV_VIEW (widget);
2832 if (!view->document)
2835 if (event->is_hint || event->window != view->layout.bin_window) {
2836 gtk_widget_get_pointer (widget, &x, &y);
2842 if (view->selection_info.in_drag) {
2843 if (gtk_drag_check_threshold (widget,
2844 view->selection_info.start.x,
2845 view->selection_info.start.y,
2847 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
2849 gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT);
2851 gtk_drag_begin (widget, target_list,
2853 1, (GdkEvent *)event);
2855 view->selection_info.in_drag = FALSE;
2857 gtk_target_list_unref (target_list);
2861 } else if (view->image_dnd_info.in_drag) {
2862 if (gtk_drag_check_threshold (widget,
2863 view->selection_info.start.x,
2864 view->selection_info.start.y,
2866 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
2868 gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI);
2869 gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE);
2871 gtk_drag_begin (widget, target_list,
2873 1, (GdkEvent *)event);
2875 view->image_dnd_info.in_drag = FALSE;
2877 gtk_target_list_unref (target_list);
2883 /* For the Evince 0.4.x release, we limit selection to un-rotated
2886 if (view->pressed_button == 1 && view->rotation == 0) {
2888 /* Schedule timeout to scroll during selection and additionally
2889 * scroll once to allow arbitrary speed. */
2890 if (!view->selection_scroll_id)
2891 view->selection_scroll_id = g_timeout_add (SCROLL_TIME, (GSourceFunc)selection_scroll_timeout_cb, view);
2893 selection_scroll_timeout_cb (view);
2895 view->selection_info.in_selection = TRUE;
2896 view->motion.x = x + view->scroll_x;
2897 view->motion.y = y + view->scroll_y;
2899 /* Queue an idle to handle the motion. We do this because
2900 * handling any selection events in the motion could be slower
2901 * than new motion events reach us. We always put it in the
2902 * idle to make sure we catch up and don't visibly lag the
2904 if (!view->selection_update_id)
2905 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
2908 } else if (view->pressed_button == 2) {
2909 if (!view->drag_info.in_drag) {
2912 start = gtk_drag_check_threshold (widget,
2913 view->drag_info.start.x,
2914 view->drag_info.start.y,
2917 view->drag_info.in_drag = start;
2920 if (view->drag_info.in_drag) {
2922 gdouble dhadj_value, dvadj_value;
2924 dx = event->x_root - view->drag_info.start.x;
2925 dy = event->y_root - view->drag_info.start.y;
2927 dhadj_value = view->hadjustment->page_size *
2928 (gdouble)dx / widget->allocation.width;
2929 dvadj_value = view->vadjustment->page_size *
2930 (gdouble)dy / widget->allocation.height;
2932 /* clamp scrolling to visible area */
2933 gtk_adjustment_set_value (view->hadjustment,
2934 MIN(view->drag_info.hadj - dhadj_value,
2935 view->hadjustment->upper -
2936 view->hadjustment->page_size));
2937 gtk_adjustment_set_value (view->vadjustment,
2938 MIN(view->drag_info.vadj - dvadj_value,
2939 view->vadjustment->upper -
2940 view->vadjustment->page_size));
2944 } else if (view->pressed_button <= 0) {
2945 ev_view_handle_cursor_over_xy (view, x, y);
2953 ev_view_button_release_event (GtkWidget *widget,
2954 GdkEventButton *event)
2956 EvView *view = EV_VIEW (widget);
2959 if (view->pressed_button == 2) {
2960 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
2963 if (view->document && view->pressed_button != 3) {
2964 link = ev_view_get_link_at_location (view, event->x, event->y);
2969 view->pressed_button = -1;
2970 view->drag_info.in_drag = FALSE;
2971 view->image_dnd_info.in_drag = FALSE;
2973 if (view->selection_scroll_id) {
2974 g_source_remove (view->selection_scroll_id);
2975 view->selection_scroll_id = 0;
2977 if (view->selection_update_id) {
2978 g_source_remove (view->selection_update_id);
2979 view->selection_update_id = 0;
2982 if (view->selection_info.selections) {
2983 ev_view_update_primary_selection (view);
2985 if (view->selection_info.in_drag) {
2986 clear_selection (view);
2987 gtk_widget_queue_draw (widget);
2990 view->selection_info.in_drag = FALSE;
2992 if (event->button == 2) {
2993 EvLinkAction *action;
2994 EvLinkActionType type;
2996 action = ev_link_get_action (link);
3000 type = ev_link_action_get_action_type (action);
3001 if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
3002 g_signal_emit (view,
3003 signals[SIGNAL_EXTERNAL_LINK],
3007 ev_view_handle_link (view, link);
3009 } else if (view->presentation) {
3010 switch (event->button) {
3012 ev_view_next_page (view);
3015 ev_view_previous_page (view);
3024 /* Cut and paste from gtkwindow.c */
3026 send_focus_change (GtkWidget *widget,
3029 GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE);
3031 g_object_ref (widget);
3034 GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
3036 GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
3038 fevent->focus_change.type = GDK_FOCUS_CHANGE;
3039 fevent->focus_change.window = g_object_ref (widget->window);
3040 fevent->focus_change.in = in;
3042 gtk_widget_event (widget, fevent);
3044 g_object_notify (G_OBJECT (widget), "has-focus");
3046 g_object_unref (widget);
3047 gdk_event_free (fevent);
3051 ev_view_goto_window_hide (EvView *view)
3053 /* send focus-in event */
3054 send_focus_change (view->goto_entry, FALSE);
3055 gtk_widget_hide (view->goto_window);
3056 gtk_entry_set_text (GTK_ENTRY (view->goto_entry), "");
3060 ev_view_goto_window_delete_event (GtkWidget *widget,
3064 ev_view_goto_window_hide (view);
3070 key_is_numeric (guint keyval)
3072 return ((keyval >= GDK_0 && keyval <= GDK_9) ||
3073 (keyval >= GDK_KP_0 && keyval <= GDK_KP_9));
3077 ev_view_goto_window_key_press_event (GtkWidget *widget,
3081 switch (event->keyval) {
3085 case GDK_ISO_Left_Tab:
3086 ev_view_goto_window_hide (view);
3095 if (!key_is_numeric (event->keyval))
3103 ev_view_goto_window_button_press_event (GtkWidget *widget,
3104 GdkEventButton *event,
3107 ev_view_goto_window_hide (view);
3113 ev_view_goto_entry_activate (GtkEntry *entry,
3119 text = gtk_entry_get_text (entry);
3120 page = atoi (text) - 1;
3122 ev_view_goto_window_hide (view);
3125 page < ev_page_cache_get_n_pages (view->page_cache))
3126 ev_page_cache_set_current_page (view->page_cache, page);
3130 ev_view_goto_window_create (EvView *view)
3132 GtkWidget *frame, *hbox, *toplevel, *label;
3134 toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view));
3136 if (view->goto_window) {
3137 if (GTK_WINDOW (toplevel)->group)
3138 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
3139 GTK_WINDOW (view->goto_window));
3140 else if (GTK_WINDOW (view->goto_window)->group)
3141 gtk_window_group_remove_window (GTK_WINDOW (view->goto_window)->group,
3142 GTK_WINDOW (view->goto_window));
3146 view->goto_window = gtk_window_new (GTK_WINDOW_POPUP);
3148 if (GTK_WINDOW (toplevel)->group)
3149 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
3150 GTK_WINDOW (view->goto_window));
3152 gtk_window_set_modal (GTK_WINDOW (view->goto_window), TRUE);
3154 g_signal_connect (view->goto_window, "delete_event",
3155 G_CALLBACK (ev_view_goto_window_delete_event),
3157 g_signal_connect (view->goto_window, "key_press_event",
3158 G_CALLBACK (ev_view_goto_window_key_press_event),
3160 g_signal_connect (view->goto_window, "button_press_event",
3161 G_CALLBACK (ev_view_goto_window_button_press_event),
3164 frame = gtk_frame_new (NULL);
3165 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
3166 gtk_container_add (GTK_CONTAINER (view->goto_window), frame);
3167 gtk_widget_show (frame);
3169 hbox = gtk_hbox_new (FALSE, 0);
3170 gtk_container_set_border_width (GTK_CONTAINER (hbox), 3);
3171 gtk_container_add (GTK_CONTAINER (frame), hbox);
3172 gtk_widget_show (hbox);
3174 label = gtk_label_new(_("Jump to page:"));
3175 gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 3);
3176 gtk_widget_show (label);
3177 gtk_widget_realize (label);
3179 view->goto_entry = gtk_entry_new ();
3180 g_signal_connect (view->goto_entry, "activate",
3181 G_CALLBACK (ev_view_goto_entry_activate),
3183 gtk_box_pack_start_defaults (GTK_BOX (hbox), view->goto_entry);
3184 gtk_widget_show (view->goto_entry);
3185 gtk_widget_realize (view->goto_entry);
3189 ev_view_goto_entry_grab_focus (EvView *view)
3191 GtkWidgetClass *entry_parent_class;
3193 entry_parent_class = g_type_class_peek_parent (GTK_ENTRY_GET_CLASS (view->goto_entry));
3194 (entry_parent_class->grab_focus) (view->goto_entry);
3196 send_focus_change (view->goto_entry, TRUE);
3200 ev_view_goto_window_send_key_event (EvView *view,
3203 GdkEventKey *new_event;
3206 /* Move goto window off screen */
3207 screen = gtk_widget_get_screen (GTK_WIDGET (view));
3208 gtk_window_move (GTK_WINDOW (view->goto_window),
3209 gdk_screen_get_width (screen) + 1,
3210 gdk_screen_get_height (screen) + 1);
3211 gtk_widget_show (view->goto_window);
3213 new_event = (GdkEventKey *) gdk_event_copy (event);
3214 g_object_unref (new_event->window);
3215 new_event->window = g_object_ref (view->goto_window->window);
3216 gtk_widget_realize (view->goto_window);
3218 gtk_widget_event (view->goto_window, (GdkEvent *)new_event);
3219 gdk_event_free ((GdkEvent *)new_event);
3220 gtk_widget_hide (view->goto_window);
3224 ev_view_key_press_event (GtkWidget *widget,
3227 EvView *view = EV_VIEW (widget);
3228 EvPresentationState current;
3230 if (!view->document)
3233 if (!view->presentation ||
3234 view->presentation_state == EV_PRESENTATION_END)
3235 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3238 current = view->presentation_state;
3240 switch (event->keyval) {
3243 view->presentation_state =
3244 (view->presentation_state == EV_PRESENTATION_BLACK) ?
3245 EV_PRESENTATION_NORMAL : EV_PRESENTATION_BLACK;
3249 view->presentation_state =
3250 (view->presentation_state == EV_PRESENTATION_WHITE) ?
3251 EV_PRESENTATION_NORMAL : EV_PRESENTATION_WHITE;
3254 if (view->presentation_state == EV_PRESENTATION_BLACK ||
3255 view->presentation_state == EV_PRESENTATION_WHITE) {
3256 view->presentation_state = EV_PRESENTATION_NORMAL;
3260 if (current == view->presentation_state) {
3261 if (ev_page_cache_get_n_pages (view->page_cache) > 1 &&
3262 key_is_numeric (event->keyval)) {
3265 ev_view_goto_window_create (view);
3266 ev_view_goto_window_send_key_event (view, (GdkEvent *)event);
3267 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
3268 gtk_window_move (GTK_WINDOW (view->goto_window), x, y);
3269 gtk_widget_show (view->goto_window);
3270 ev_view_goto_entry_grab_focus (view);
3275 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3278 switch (view->presentation_state) {
3279 case EV_PRESENTATION_NORMAL:
3280 case EV_PRESENTATION_BLACK:
3281 gdk_window_set_background (view->layout.bin_window,
3282 &widget->style->black);
3284 case EV_PRESENTATION_WHITE:
3285 gdk_window_set_background (view->layout.bin_window,
3286 &widget->style->white);
3289 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3292 gtk_widget_queue_draw (widget);
3297 ev_view_focus_in (GtkWidget *widget,
3298 GdkEventFocus *event)
3300 if (EV_VIEW (widget)->pixbuf_cache)
3301 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3302 gtk_widget_queue_draw (widget);
3308 ev_view_focus_out (GtkWidget *widget,
3309 GdkEventFocus *event)
3311 if (EV_VIEW (widget)->goto_window)
3312 ev_view_goto_window_hide (EV_VIEW (widget));
3314 if (EV_VIEW (widget)->pixbuf_cache)
3315 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3316 gtk_widget_queue_draw (widget);
3322 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3324 EvView *view = EV_VIEW (widget);
3326 if (view->cursor == EV_VIEW_CURSOR_LINK ||
3327 view->cursor == EV_VIEW_CURSOR_IBEAM)
3328 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
3330 #if !GTK_CHECK_VERSION (2, 11, 7)
3331 if (view->link_tooltip) {
3332 view->hovered_link = NULL;
3333 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
3341 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3343 EvView *view = EV_VIEW (widget);
3345 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3351 ev_view_style_set (GtkWidget *widget,
3352 GtkStyle *old_style)
3354 if (EV_VIEW (widget)->pixbuf_cache)
3355 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3357 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
3363 ev_gdk_color_to_rgb (const GdkColor *color)
3366 result = (0xff0000 | (color->red & 0xff00));
3368 result |= ((color->green & 0xff00) | (color->blue >> 8));
3373 draw_rubberband (GtkWidget *widget, GdkWindow *window,
3374 const GdkRectangle *rect, guchar alpha)
3378 GdkColor *fill_color_gdk;
3381 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
3382 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
3384 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
3385 rect->width, rect->height);
3386 gdk_pixbuf_fill (pixbuf, fill_color);
3388 gdk_draw_pixbuf (window, NULL, pixbuf,
3390 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
3391 rect->width, rect->height,
3392 GDK_RGB_DITHER_NONE,
3395 g_object_unref (pixbuf);
3397 gc = gdk_gc_new (window);
3398 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
3399 gdk_draw_rectangle (window, gc, FALSE,
3400 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
3403 g_object_unref (gc);
3405 gdk_color_free (fill_color_gdk);
3410 highlight_find_results (EvView *view, int page)
3412 EvDocumentFind *find;
3415 find = EV_DOCUMENT_FIND (view->document);
3417 results = ev_document_find_get_n_results (find, page);
3419 for (i = 0; i < results; i++) {
3420 EvRectangle rectangle;
3421 GdkRectangle view_rectangle;
3424 if (i == view->find_result && page == view->current_page) {
3430 ev_document_find_get_result (find, page, i, &rectangle);
3431 doc_rect_to_view_rect (view, page, &rectangle, &view_rectangle);
3432 draw_rubberband (GTK_WIDGET (view), view->layout.bin_window,
3433 &view_rectangle, alpha);
3438 draw_loading_text (EvView *view,
3439 GdkRectangle *page_area,
3440 GdkRectangle *expose_area)
3445 /* Don't annoy users with loading messages during presentations.
3446 * FIXME: Temporary "workaround" for
3447 * http://bugzilla.gnome.org/show_bug.cgi?id=320352 */
3448 if (view->presentation)
3451 if (!view->loading_text) {
3452 const gchar *loading_text = _("Loading...");
3453 PangoLayout *layout;
3454 PangoFontDescription *font_desc;
3455 PangoRectangle logical_rect;
3459 ev_document_fc_mutex_lock ();
3461 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
3463 font_desc = pango_font_description_new ();
3465 /* We set the font to be 10 points, get the size, and scale appropriately */
3466 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
3467 pango_layout_set_font_description (layout, font_desc);
3468 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
3470 target_width = MAX (page_area->width / 2, 1);
3471 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
3472 pango_font_description_set_size (font_desc, (int)real_scale);
3473 pango_layout_set_font_description (layout, font_desc);
3474 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
3476 view->loading_text = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
3478 logical_rect.height);
3479 cr = cairo_create (view->loading_text);
3480 cairo_set_source_rgb (cr,
3484 pango_cairo_show_layout (cr, layout);
3487 pango_font_description_free (font_desc);
3488 g_object_unref (layout);
3490 ev_document_fc_mutex_unlock ();
3493 width = (page_area->width - cairo_image_surface_get_width (view->loading_text)) / 2;
3494 height = (page_area->height - cairo_image_surface_get_height (view->loading_text)) / 2;
3496 cr = gdk_cairo_create (view->layout.bin_window);
3497 cairo_translate (cr,
3498 page_area->x + width,
3499 page_area->y + height);
3500 cairo_set_source_surface (cr, view->loading_text, 0, 0);
3506 draw_one_page (EvView *view,
3509 GdkRectangle *page_area,
3511 GdkRectangle *expose_area,
3512 gboolean *page_ready)
3514 GdkRectangle overlap;
3515 GdkRectangle real_page_area;
3517 g_assert (view->document);
3519 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
3522 /* Render the document itself */
3523 real_page_area = *page_area;
3525 real_page_area.x += border->left;
3526 real_page_area.y += border->top;
3527 real_page_area.width -= (border->left + border->right);
3528 real_page_area.height -= (border->top + border->bottom);
3531 if (!view->presentation) {
3534 current_page = ev_page_cache_get_current_page (view->page_cache);
3535 ev_document_misc_paint_one_page (view->layout.bin_window,
3538 page == current_page);
3541 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
3543 gint page_width, page_height;
3544 cairo_surface_t *page_surface = NULL;
3545 gint selection_width, selection_height;
3546 cairo_surface_t *selection_surface = NULL;
3548 page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page);
3550 if (!page_surface) {
3551 draw_loading_text (view,
3554 *page_ready = FALSE;
3559 ev_page_cache_get_size (view->page_cache,
3560 page, view->rotation,
3564 page_width = cairo_image_surface_get_width (page_surface);
3565 page_height = cairo_image_surface_get_height (page_surface);
3568 cairo_translate (cr, overlap.x, overlap.y);
3570 if (width != page_width || height != page_height) {
3571 cairo_pattern_set_filter (cairo_get_source (cr),
3574 (gdouble)width / page_width,
3575 (gdouble)height / page_height);
3578 cairo_surface_set_device_offset (page_surface,
3579 overlap.x - real_page_area.x,
3580 overlap.y - real_page_area.y);
3581 cairo_set_source_surface (cr, page_surface, 0, 0);
3585 /* Get the selection pixbuf iff we have something to draw */
3586 if (find_selection_for_page (view, page) &&
3587 view->selection_mode == EV_VIEW_SELECTION_TEXT) {
3589 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
3595 if (!selection_surface) {
3599 selection_width = cairo_image_surface_get_width (selection_surface);
3600 selection_height = cairo_image_surface_get_height (selection_surface);
3603 cairo_translate (cr, overlap.x, overlap.y);
3605 if (width != selection_width || height != selection_height) {
3606 cairo_pattern_set_filter (cairo_get_source (cr),
3609 (gdouble)width / selection_width,
3610 (gdouble)height / selection_height);
3613 cairo_surface_set_device_offset (selection_surface,
3614 overlap.x - real_page_area.x,
3615 overlap.y - real_page_area.y);
3616 cairo_set_source_surface (cr, selection_surface, 0, 0);
3622 /*** GObject functions ***/
3625 ev_view_finalize (GObject *object)
3627 EvView *view = EV_VIEW (object);
3629 g_free (view->find_status);
3631 clear_selection (view);
3633 if (view->image_dnd_info.image)
3634 g_object_unref (view->image_dnd_info.image);
3635 view->image_dnd_info.image = NULL;
3637 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
3641 ev_view_destroy (GtkObject *object)
3643 EvView *view = EV_VIEW (object);
3645 if (view->document) {
3646 g_object_unref (view->document);
3647 view->document = NULL;
3650 if (view->pixbuf_cache) {
3651 g_object_unref (view->pixbuf_cache);
3652 view->pixbuf_cache = NULL;
3655 #if !GTK_CHECK_VERSION (2, 11, 7)
3656 if (view->link_tooltip) {
3657 gtk_widget_destroy (view->link_tooltip);
3658 view->link_tooltip = NULL;
3661 if (view->goto_window) {
3662 gtk_widget_destroy (view->goto_window);
3663 view->goto_window = NULL;
3664 view->goto_entry = NULL;
3667 if (view->selection_scroll_id) {
3668 g_source_remove (view->selection_scroll_id);
3669 view->selection_scroll_id = 0;
3672 if (view->selection_update_id) {
3673 g_source_remove (view->selection_update_id);
3674 view->selection_update_id = 0;
3677 if (view->loading_text) {
3678 cairo_surface_destroy (view->loading_text);
3679 view->loading_text = NULL;
3682 ev_view_presentation_transition_stop (view);
3684 ev_view_set_scroll_adjustments (GTK_LAYOUT (view), NULL, NULL);
3686 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
3690 ev_view_set_property (GObject *object,
3692 const GValue *value,
3695 EvView *view = EV_VIEW (object);
3698 case PROP_CONTINUOUS:
3699 ev_view_set_continuous (view, g_value_get_boolean (value));
3701 case PROP_DUAL_PAGE:
3702 ev_view_set_dual_page (view, g_value_get_boolean (value));
3704 case PROP_FULLSCREEN:
3705 ev_view_set_fullscreen (view, g_value_get_boolean (value));
3707 case PROP_PRESENTATION:
3708 ev_view_set_presentation (view, g_value_get_boolean (value));
3710 case PROP_SIZING_MODE:
3711 ev_view_set_sizing_mode (view, g_value_get_enum (value));
3714 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
3717 ev_view_set_rotation (view, g_value_get_int (value));
3720 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
3725 ev_view_get_accessible (GtkWidget *widget)
3727 static gboolean first_time = TRUE;
3730 AtkObjectFactory *factory;
3731 AtkRegistry *registry;
3733 GType derived_atk_type;
3736 * Figure out whether accessibility is enabled by looking at the
3737 * type of the accessible object which would be created for
3738 * the parent type of EvView.
3740 derived_type = g_type_parent (EV_TYPE_VIEW);
3742 registry = atk_get_default_registry ();
3743 factory = atk_registry_get_factory (registry,
3745 derived_atk_type = atk_object_factory_get_accessible_type (factory);
3746 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
3747 atk_registry_set_factory_type (registry,
3749 ev_view_accessible_factory_get_type ());
3752 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
3756 ev_view_get_property (GObject *object,
3761 EvView *view = EV_VIEW (object);
3764 case PROP_FIND_STATUS:
3765 g_value_set_string (value, view->find_status);
3767 case PROP_CONTINUOUS:
3768 g_value_set_boolean (value, view->continuous);
3770 case PROP_DUAL_PAGE:
3771 g_value_set_boolean (value, view->dual_page);
3773 case PROP_FULLSCREEN:
3774 g_value_set_boolean (value, view->fullscreen);
3776 case PROP_PRESENTATION:
3777 g_value_set_boolean (value, view->presentation);
3779 case PROP_SIZING_MODE:
3780 g_value_set_enum (value, view->sizing_mode);
3783 g_value_set_double (value, view->scale);
3786 g_value_set_int (value, view->rotation);
3788 case PROP_HAS_SELECTION:
3789 g_value_set_boolean (value,
3790 view->selection_info.selections != NULL);
3793 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
3798 ev_view_class_init (EvViewClass *class)
3800 GObjectClass *object_class = G_OBJECT_CLASS (class);
3801 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
3802 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
3803 GtkLayoutClass *layout_class = GTK_LAYOUT_CLASS (class);
3804 GtkBindingSet *binding_set;
3806 object_class->finalize = ev_view_finalize;
3807 object_class->set_property = ev_view_set_property;
3808 object_class->get_property = ev_view_get_property;
3810 widget_class->expose_event = ev_view_expose_event;
3811 widget_class->button_press_event = ev_view_button_press_event;
3812 widget_class->motion_notify_event = ev_view_motion_notify_event;
3813 widget_class->button_release_event = ev_view_button_release_event;
3814 widget_class->key_press_event = ev_view_key_press_event;
3815 widget_class->focus_in_event = ev_view_focus_in;
3816 widget_class->focus_out_event = ev_view_focus_out;
3817 widget_class->get_accessible = ev_view_get_accessible;
3818 widget_class->size_request = ev_view_size_request;
3819 widget_class->size_allocate = ev_view_size_allocate;
3820 widget_class->realize = ev_view_realize;
3821 widget_class->scroll_event = ev_view_scroll_event;
3822 widget_class->enter_notify_event = ev_view_enter_notify_event;
3823 widget_class->leave_notify_event = ev_view_leave_notify_event;
3824 widget_class->style_set = ev_view_style_set;
3825 widget_class->drag_data_get = ev_view_drag_data_get;
3826 widget_class->drag_motion = ev_view_drag_motion;
3827 widget_class->drag_data_received = ev_view_drag_data_received;
3828 widget_class->popup_menu = ev_view_popup_menu;
3829 #if GTK_CHECK_VERSION (2, 11, 7)
3830 widget_class->query_tooltip = ev_view_query_tooltip;
3833 gtk_object_class->destroy = ev_view_destroy;
3835 layout_class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
3837 class->binding_activated = ev_view_scroll;
3839 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
3840 G_TYPE_FROM_CLASS (object_class),
3841 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3842 G_STRUCT_OFFSET (EvViewClass, binding_activated),
3844 ev_marshal_VOID__ENUM_BOOLEAN,
3846 GTK_TYPE_SCROLL_TYPE,
3849 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
3850 G_TYPE_FROM_CLASS (object_class),
3851 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3852 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
3854 ev_marshal_VOID__VOID,
3855 G_TYPE_NONE, 0, G_TYPE_NONE);
3856 signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link",
3857 G_TYPE_FROM_CLASS (object_class),
3858 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3859 G_STRUCT_OFFSET (EvViewClass, handle_link),
3861 g_cclosure_marshal_VOID__OBJECT,
3864 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
3865 G_TYPE_FROM_CLASS (object_class),
3866 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3867 G_STRUCT_OFFSET (EvViewClass, external_link),
3869 g_cclosure_marshal_VOID__OBJECT,
3872 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
3873 G_TYPE_FROM_CLASS (object_class),
3874 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3875 G_STRUCT_OFFSET (EvViewClass, popup_menu),
3877 g_cclosure_marshal_VOID__OBJECT,
3882 g_object_class_install_property (object_class,
3884 g_param_spec_string ("find-status",
3885 "Find Status Message",
3886 "The find status message",
3890 g_object_class_install_property (object_class,
3892 g_param_spec_boolean ("continuous",
3894 "Continuous scrolling mode",
3896 G_PARAM_READWRITE));
3898 g_object_class_install_property (object_class,
3900 g_param_spec_boolean ("dual-page",
3902 "Two pages visible at once",
3904 G_PARAM_READWRITE));
3905 g_object_class_install_property (object_class,
3907 g_param_spec_boolean ("fullscreen",
3909 "Draw page in a fullscreen fashion",
3911 G_PARAM_READWRITE));
3912 g_object_class_install_property (object_class,
3914 g_param_spec_boolean ("presentation",
3916 "Draw page in presentation mode",
3918 G_PARAM_READWRITE));
3920 g_object_class_install_property (object_class,
3922 g_param_spec_enum ("sizing-mode",
3925 EV_TYPE_SIZING_MODE,
3926 EV_SIZING_FIT_WIDTH,
3927 G_PARAM_READWRITE));
3929 g_object_class_install_property (object_class,
3931 g_param_spec_double ("zoom",
3937 G_PARAM_READWRITE));
3938 g_object_class_install_property (object_class,
3940 g_param_spec_double ("rotation",
3946 G_PARAM_READWRITE));
3947 g_object_class_install_property (object_class,
3949 g_param_spec_boolean ("has-selection",
3951 "The view has selections",
3955 binding_set = gtk_binding_set_by_class (class);
3957 add_scroll_binding_keypad (binding_set, GDK_Left, 0, EV_SCROLL_STEP_BACKWARD, TRUE);
3958 add_scroll_binding_keypad (binding_set, GDK_Right, 0, EV_SCROLL_STEP_FORWARD, TRUE);
3959 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, TRUE);
3960 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, TRUE);
3961 add_scroll_binding_keypad (binding_set, GDK_Up, 0, EV_SCROLL_STEP_BACKWARD, FALSE);
3962 add_scroll_binding_keypad (binding_set, GDK_Down, 0, EV_SCROLL_STEP_FORWARD, FALSE);
3963 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, FALSE);
3964 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, FALSE);
3965 gtk_binding_entry_add_signal (binding_set, GDK_H, 0, "binding_activated", 2, EV_TYPE_SCROLL_TYPE,
3966 EV_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE);
3967 gtk_binding_entry_add_signal (binding_set, GDK_J, 0, "binding_activated", 2, EV_TYPE_SCROLL_TYPE,
3968 EV_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE);
3969 gtk_binding_entry_add_signal (binding_set, GDK_K, 0, "binding_activated", 2, EV_TYPE_SCROLL_TYPE,
3970 EV_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE);
3971 gtk_binding_entry_add_signal (binding_set, GDK_L, 0, "binding_activated", 2, EV_TYPE_SCROLL_TYPE,
3972 EV_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE);
3977 ev_view_init (EvView *view)
3979 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
3983 view->current_page = 0;
3984 view->pressed_button = -1;
3985 view->cursor = EV_VIEW_CURSOR_NORMAL;
3986 view->drag_info.in_drag = FALSE;
3987 view->selection_info.selections = NULL;
3988 view->selection_info.in_selection = FALSE;
3989 view->selection_info.in_drag = FALSE;
3990 view->selection_mode = EV_VIEW_SELECTION_TEXT;
3991 view->continuous = TRUE;
3992 view->dual_page = FALSE;
3993 view->presentation = FALSE;
3994 view->presentation_state = EV_PRESENTATION_NORMAL;
3995 view->fullscreen = FALSE;
3996 view->sizing_mode = EV_SIZING_FIT_WIDTH;
3997 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
3998 view->jump_to_find_result = TRUE;
4000 gtk_layout_set_hadjustment (GTK_LAYOUT (view), NULL);
4001 gtk_layout_set_vadjustment (GTK_LAYOUT (view), NULL);
4003 gtk_drag_dest_set (GTK_WIDGET (view),
4004 GTK_DEST_DEFAULT_ALL,
4006 G_N_ELEMENTS (view_drop_targets),
4013 find_changed_cb (EvDocument *document, int page, EvView *view)
4018 percent = ev_document_find_get_progress
4019 (EV_DOCUMENT_FIND (view->document));
4020 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4022 if (view->jump_to_find_result == TRUE) {
4023 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
4024 jump_to_find_result (view);
4026 update_find_status_message (view, percent * n_pages >= n_pages - 1 );
4027 if (view->current_page == page)
4028 gtk_widget_queue_draw (GTK_WIDGET (view));
4032 job_finished_cb (EvPixbufCache *pixbuf_cache,
4037 gdk_window_invalidate_region (view->layout.bin_window,
4040 gtk_widget_queue_draw (GTK_WIDGET (view));
4045 page_changed_cb (EvPageCache *page_cache,
4049 if (view->current_page != new_page) {
4052 view->current_page = new_page;
4053 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4055 if (view->presentation)
4056 ev_view_presentation_transition_start (view);
4058 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4059 ev_view_handle_cursor_over_xy (view, x, y);
4061 gtk_widget_queue_resize (GTK_WIDGET (view));
4063 gtk_widget_queue_draw (GTK_WIDGET (view));
4066 if (EV_IS_DOCUMENT_FIND (view->document)) {
4067 view->find_result = 0;
4068 update_find_status_message (view, TRUE);
4073 on_adjustment_value_changed (GtkAdjustment *adjustment,
4078 GList *children, *l;
4080 if (! GTK_WIDGET_REALIZED (view))
4083 if (view->hadjustment) {
4084 dx = view->scroll_x - (int) view->hadjustment->value;
4085 view->scroll_x = (int) view->hadjustment->value;
4090 if (view->vadjustment) {
4091 dy = view->scroll_y - (int) view->vadjustment->value;
4092 view->scroll_y = (int) view->vadjustment->value;
4097 children = gtk_container_get_children (GTK_CONTAINER (view));
4098 for (l = children; l && l->data; l = g_list_next (l)) {
4099 gint child_x, child_y;
4100 GtkWidget *child = (GtkWidget *)l->data;
4102 gtk_container_child_get (GTK_CONTAINER (view),
4107 gtk_layout_move (GTK_LAYOUT (view), child, child_x + dx, child_y + dy);
4109 g_list_free (children);
4111 if (view->pending_resize)
4112 gtk_widget_queue_draw (GTK_WIDGET (view));
4114 gdk_window_scroll (view->layout.bin_window, dx, dy);
4116 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4117 ev_view_handle_cursor_over_xy (view, x, y);
4120 view_update_range_and_current_page (view);
4128 view = g_object_new (EV_TYPE_VIEW, NULL);
4134 setup_caches (EvView *view)
4136 view->page_cache = ev_page_cache_get (view->document);
4137 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
4138 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
4139 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
4140 page_changed_cb (view->page_cache,
4141 ev_page_cache_get_current_page (view->page_cache),
4146 clear_caches (EvView *view)
4148 if (view->pixbuf_cache) {
4149 g_object_unref (view->pixbuf_cache);
4150 view->pixbuf_cache = NULL;
4153 if (view->page_cache) {
4154 view->page_cache = NULL;
4159 ev_view_set_loading (EvView *view,
4162 view->loading = loading;
4163 gtk_widget_queue_draw (GTK_WIDGET (view));
4167 ev_view_set_document (EvView *view,
4168 EvDocument *document)
4170 g_return_if_fail (EV_IS_VIEW (view));
4172 view->loading = FALSE;
4174 if (document != view->document) {
4175 clear_caches (view);
4177 if (view->document) {
4178 g_signal_handlers_disconnect_by_func (view->document,
4181 g_object_unref (view->document);
4182 view->page_cache = NULL;
4186 view->document = document;
4187 view->find_result = 0;
4189 if (view->document) {
4190 g_object_ref (view->document);
4191 if (EV_IS_DOCUMENT_FIND (view->document)) {
4192 g_signal_connect (view->document,
4194 G_CALLBACK (find_changed_cb),
4198 setup_caches (view);
4201 gtk_widget_queue_resize (GTK_WIDGET (view));
4205 /*** Zoom and sizing mode ***/
4207 #define EPSILON 0.0000001
4209 ev_view_set_zoom (EvView *view,
4216 scale = view->scale * factor;
4220 scale = CLAMP (scale, view->min_scale, view->max_scale);
4222 if (ABS (view->scale - scale) < EPSILON)
4225 if (view->loading_text) {
4226 cairo_surface_destroy (view->loading_text);
4227 view->loading_text = NULL;
4230 view->scale = scale;
4231 view->pending_resize = TRUE;
4233 gtk_widget_queue_resize (GTK_WIDGET (view));
4235 g_object_notify (G_OBJECT (view), "zoom");
4239 ev_view_get_zoom (EvView *view)
4245 ev_view_set_screen_dpi (EvView *view,
4248 g_return_if_fail (EV_IS_VIEW (view));
4249 g_return_if_fail (dpi > 0);
4252 view->min_scale = MIN_SCALE * dpi / 72.0;
4253 view->max_scale = MAX_SCALE * dpi / 72.0;
4257 ev_view_get_continuous (EvView *view)
4259 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4261 return view->continuous;
4265 ev_view_set_continuous (EvView *view,
4266 gboolean continuous)
4268 g_return_if_fail (EV_IS_VIEW (view));
4270 continuous = continuous != FALSE;
4272 if (view->continuous != continuous) {
4273 view->continuous = continuous;
4274 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4275 gtk_widget_queue_resize (GTK_WIDGET (view));
4278 g_object_notify (G_OBJECT (view), "continuous");
4282 ev_view_get_dual_page (EvView *view)
4284 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4286 return view->dual_page;
4290 ev_view_set_dual_page (EvView *view,
4293 g_return_if_fail (EV_IS_VIEW (view));
4295 dual_page = dual_page != FALSE;
4297 if (view->dual_page == dual_page)
4300 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4301 view->dual_page = dual_page;
4302 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
4303 * preload_cache_size to be 2 if dual_page is set.
4305 gtk_widget_queue_resize (GTK_WIDGET (view));
4307 g_object_notify (G_OBJECT (view), "dual-page");
4311 ev_view_set_fullscreen (EvView *view,
4312 gboolean fullscreen)
4314 g_return_if_fail (EV_IS_VIEW (view));
4316 fullscreen = fullscreen != FALSE;
4318 if (view->fullscreen == fullscreen)
4321 view->fullscreen = fullscreen;
4322 gtk_widget_queue_resize (GTK_WIDGET (view));
4324 g_object_notify (G_OBJECT (view), "fullscreen");
4328 ev_view_get_fullscreen (EvView *view)
4330 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4332 return view->fullscreen;
4336 ev_view_set_presentation (EvView *view,
4337 gboolean presentation)
4339 g_return_if_fail (EV_IS_VIEW (view));
4341 presentation = presentation != FALSE;
4343 if (view->presentation == presentation)
4347 view->presentation_state = EV_PRESENTATION_NORMAL;
4349 view->presentation = presentation;
4350 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4353 view->sizing_mode_saved = view->sizing_mode;
4354 view->scale_saved = view->scale;
4355 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
4357 ev_view_set_sizing_mode (view, view->sizing_mode_saved);
4358 ev_view_set_zoom (view, view->scale_saved, FALSE);
4361 gtk_widget_queue_resize (GTK_WIDGET (view));
4364 ev_view_presentation_transition_start (view);
4366 ev_view_presentation_transition_stop (view);
4368 if (GTK_WIDGET_REALIZED (view)) {
4369 if (view->presentation)
4370 gdk_window_set_background (view->layout.bin_window,
4371 >K_WIDGET (view)->style->black);
4373 gdk_window_set_background (view->layout.bin_window,
4374 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
4377 g_object_notify (G_OBJECT (view), "presentation");
4381 ev_view_get_presentation (EvView *view)
4383 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4385 return view->presentation;
4389 transition_next_page (EvView *view)
4391 ev_view_next_page (view);
4397 ev_view_presentation_transition_stop (EvView *view)
4399 if (view->trans_timeout_id > 0)
4400 g_source_remove (view->trans_timeout_id);
4401 view->trans_timeout_id = 0;
4405 ev_view_presentation_transition_start (EvView *view)
4409 if (!EV_IS_DOCUMENT_TRANSITION (view->document))
4412 ev_view_presentation_transition_stop (view);
4414 duration = ev_document_transition_get_page_duration (EV_DOCUMENT_TRANSITION (view->document),
4415 view->current_page);
4417 #if GLIB_CHECK_VERSION (2, 13, 0)
4418 view->trans_timeout_id =
4419 g_timeout_add_seconds (duration,
4420 (GSourceFunc) transition_next_page,
4423 view->trans_timeout_id =
4424 g_timeout_add (duration * 1000,
4425 (GSourceFunc) transition_next_page,
4432 ev_view_set_sizing_mode (EvView *view,
4433 EvSizingMode sizing_mode)
4435 g_return_if_fail (EV_IS_VIEW (view));
4437 if (view->sizing_mode == sizing_mode)
4440 view->sizing_mode = sizing_mode;
4441 gtk_widget_queue_resize (GTK_WIDGET (view));
4443 g_object_notify (G_OBJECT (view), "sizing-mode");
4447 ev_view_get_sizing_mode (EvView *view)
4449 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
4451 return view->sizing_mode;
4455 ev_view_can_zoom_in (EvView *view)
4457 return view->scale * ZOOM_IN_FACTOR <= view->max_scale;
4461 ev_view_can_zoom_out (EvView *view)
4463 return view->scale * ZOOM_OUT_FACTOR >= view->min_scale;
4467 ev_view_zoom_in (EvView *view)
4469 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
4471 if (view->presentation)
4474 view->pending_scroll = SCROLL_TO_CENTER;
4475 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
4479 ev_view_zoom_out (EvView *view)
4481 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
4483 if (view->presentation)
4486 view->pending_scroll = SCROLL_TO_CENTER;
4487 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
4491 ev_view_rotate_right (EvView *view)
4493 int rotation = view->rotation + 90;
4495 if (rotation >= 360) {
4499 ev_view_set_rotation (view, rotation);
4503 ev_view_rotate_left (EvView *view)
4505 int rotation = view->rotation - 90;
4511 ev_view_set_rotation (view, rotation);
4515 ev_view_set_rotation (EvView *view, int rotation)
4517 view->rotation = rotation;
4519 if (view->pixbuf_cache) {
4520 ev_pixbuf_cache_clear (view->pixbuf_cache);
4521 gtk_widget_queue_resize (GTK_WIDGET (view));
4525 clear_selection (view);
4527 g_object_notify (G_OBJECT (view), "rotation");
4531 ev_view_get_rotation (EvView *view)
4533 return view->rotation;
4537 zoom_for_size_fit_width (int doc_width,
4545 scale = (double)target_width / doc_width;
4547 if (doc_height * scale > target_height)
4548 scale = (double) (target_width - vsb_width) / doc_width;
4554 zoom_for_size_fit_height (int doc_width,
4562 scale = (double)target_height / doc_height;
4564 if (doc_width * scale > target_width)
4565 scale = (double) (target_height - vsb_height) / doc_height;
4571 zoom_for_size_best_fit (int doc_width,
4581 w_scale = (double)target_width / doc_width;
4582 h_scale = (double)target_height / doc_height;
4584 if (doc_height * w_scale > target_height)
4585 w_scale = (double) (target_width - vsb_width) / doc_width;
4586 if (doc_width * h_scale > target_width)
4587 h_scale = (double) (target_height - hsb_width) / doc_height;
4589 return MIN (w_scale, h_scale);
4594 ev_view_zoom_for_size_presentation (EvView *view,
4598 int doc_width, doc_height;
4601 ev_page_cache_get_size (view->page_cache,
4607 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
4608 ev_view_set_zoom (view, scale, FALSE);
4612 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
4618 int doc_width, doc_height;
4622 ev_page_cache_get_max_width (view->page_cache,
4626 ev_page_cache_get_max_height (view->page_cache,
4630 compute_border (view, doc_width, doc_height, &border);
4632 doc_width = doc_width * 2;
4633 width -= (2 * (border.left + border.right) + 3 * view->spacing);
4634 height -= (border.top + border.bottom + 2 * view->spacing - 1);
4636 /* FIXME: We really need to calculate the overall height here, not the
4637 * page height. We assume there's always a vertical scrollbar for
4638 * now. We need to fix this. */
4639 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
4640 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
4641 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4642 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
4644 g_assert_not_reached ();
4646 ev_view_set_zoom (view, scale, FALSE);
4650 ev_view_zoom_for_size_continuous (EvView *view,
4656 int doc_width, doc_height;
4660 ev_page_cache_get_max_width (view->page_cache,
4664 ev_page_cache_get_max_height (view->page_cache,
4668 compute_border (view, doc_width, doc_height, &border);
4670 width -= (border.left + border.right + 2 * view->spacing);
4671 height -= (border.top + border.bottom + 2 * view->spacing - 1);
4673 /* FIXME: We really need to calculate the overall height here, not the
4674 * page height. We assume there's always a vertical scrollbar for
4675 * now. We need to fix this. */
4676 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
4677 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
4678 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4679 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
4681 g_assert_not_reached ();
4683 ev_view_set_zoom (view, scale, FALSE);
4687 ev_view_zoom_for_size_dual_page (EvView *view,
4694 gint doc_width, doc_height;
4698 other_page = view->current_page ^ 1;
4700 /* Find the largest of the two. */
4701 ev_page_cache_get_size (view->page_cache,
4705 &doc_width, &doc_height);
4707 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
4708 gint width_2, height_2;
4709 ev_page_cache_get_size (view->page_cache,
4713 &width_2, &height_2);
4714 if (width_2 > doc_width)
4715 doc_width = width_2;
4716 if (height_2 > doc_height)
4717 doc_height = height_2;
4719 compute_border (view, doc_width, doc_height, &border);
4721 doc_width = doc_width * 2;
4722 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
4723 height -= (border.top + border.bottom + 2 * view->spacing);
4725 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
4726 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
4727 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4728 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
4730 g_assert_not_reached ();
4732 ev_view_set_zoom (view, scale, FALSE);
4736 ev_view_zoom_for_size_single_page (EvView *view,
4742 int doc_width, doc_height;
4746 ev_page_cache_get_size (view->page_cache,
4752 /* Get an approximate border */
4753 compute_border (view, width, height, &border);
4755 width -= (border.left + border.right + 2 * view->spacing);
4756 height -= (border.top + border.bottom + 2 * view->spacing);
4758 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
4759 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
4760 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4761 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
4763 g_assert_not_reached ();
4765 ev_view_set_zoom (view, scale, FALSE);
4769 ev_view_set_zoom_for_size (EvView *view,
4775 g_return_if_fail (EV_IS_VIEW (view));
4776 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
4777 view->sizing_mode == EV_SIZING_BEST_FIT);
4778 g_return_if_fail (width >= 0);
4779 g_return_if_fail (height >= 0);
4781 if (view->document == NULL)
4784 if (view->presentation)
4785 ev_view_zoom_for_size_presentation (view, width, height);
4786 else if (view->continuous && view->dual_page)
4787 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
4788 else if (view->continuous)
4789 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
4790 else if (view->dual_page)
4791 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
4793 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
4798 update_find_status_message (EvView *view, gboolean this_page)
4805 results = ev_document_find_get_n_results
4806 (EV_DOCUMENT_FIND (view->document),
4807 view->current_page);
4808 /* TRANS: Sometimes this could be better translated as
4809 "%d hit(s) on this page". Therefore this string
4810 contains plural cases. */
4811 message = g_strdup_printf (ngettext ("%d found on this page",
4812 "%d found on this page",
4818 percent = ev_document_find_get_progress
4819 (EV_DOCUMENT_FIND (view->document));
4820 message = g_strdup_printf (_("%3d%% remaining to search"),
4821 (int) ((1.0 - percent) * 100));
4824 ev_view_set_find_status (view, message);
4829 ev_view_get_find_status (EvView *view)
4831 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
4833 return view->find_status;
4837 ev_view_set_find_status (EvView *view, const char *message)
4839 g_return_if_fail (EV_IS_VIEW (view));
4841 g_free (view->find_status);
4842 view->find_status = g_strdup (message);
4843 g_object_notify (G_OBJECT (view), "find-status");
4847 jump_to_find_result (EvView *view)
4849 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
4851 GdkRectangle view_rect;
4853 int page = view->current_page;
4855 n_results = ev_document_find_get_n_results (find, page);
4857 if (n_results > 0 && view->find_result < n_results) {
4858 ev_document_find_get_result
4859 (find, page, view->find_result, &rect);
4861 doc_rect_to_view_rect (view, page, &rect, &view_rect);
4862 ensure_rectangle_is_visible (view, &view_rect);
4868 * @view: #EvView instance
4869 * @direction: Direction to look
4870 * @shift: Shift from current page
4872 * Jumps to the first page that has occurences of searched word.
4873 * Uses a direction where to look and a shift from current page.
4877 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
4881 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4883 for (i = 0; i < n_pages; i++) {
4887 if (direction == EV_VIEW_FIND_NEXT)
4888 page = view->current_page + i;
4890 page = view->current_page - i;
4893 if (page >= n_pages) {
4894 page = page - n_pages;
4897 page = page + n_pages;
4899 has_results = ev_document_find_page_has_results
4900 (EV_DOCUMENT_FIND (view->document), page);
4901 if (has_results == -1) {
4903 } else if (has_results == 1) {
4904 ev_page_cache_set_current_page (view->page_cache, page);
4911 ev_view_can_find_next (EvView *view)
4913 if (EV_IS_DOCUMENT_FIND (view->document)) {
4914 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
4917 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4918 for (i = 0; i < n_pages; i++) {
4919 if (ev_document_find_get_n_results (find, i) > 0) {
4929 ev_view_find_next (EvView *view)
4931 int n_results, n_pages;
4932 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
4934 n_results = ev_document_find_get_n_results (find, view->current_page);
4936 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4938 view->find_result++;
4940 if (view->find_result >= n_results) {
4942 view->find_result = 0;
4943 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
4944 jump_to_find_result (view);
4946 jump_to_find_result (view);
4947 gtk_widget_queue_draw (GTK_WIDGET (view));
4952 ev_view_can_find_previous (EvView *view)
4954 if (EV_IS_DOCUMENT_FIND (view->document)) {
4955 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
4958 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4959 for (i = n_pages - 1; i >= 0; i--) {
4960 if (ev_document_find_get_n_results (find, i) > 0) {
4969 ev_view_find_previous (EvView *view)
4971 int n_results, n_pages;
4972 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
4973 EvPageCache *page_cache;
4975 page_cache = ev_page_cache_get (view->document);
4977 n_results = ev_document_find_get_n_results (find, view->current_page);
4979 n_pages = ev_page_cache_get_n_pages (page_cache);
4981 view->find_result--;
4983 if (view->find_result < 0) {
4985 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
4986 view->find_result = ev_document_find_get_n_results (find, view->current_page) - 1;
4987 jump_to_find_result (view);
4989 jump_to_find_result (view);
4990 gtk_widget_queue_draw (GTK_WIDGET (view));
4994 void ev_view_search_changed (EvView *view)
4996 /* search string has changed, focus on new search result */
4997 view->jump_to_find_result = TRUE;
5000 /*** Selections ***/
5002 /* compute_new_selection_rect/text calculates the area currently selected by
5003 * view_rect. each handles a different mode;
5006 compute_new_selection_rect (EvView *view,
5010 GdkRectangle view_rect;
5014 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
5016 view_rect.x = MIN (start->x, stop->x);
5017 view_rect.y = MIN (start->y, stop->y);
5018 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
5019 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
5021 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5023 for (i = 0; i < n_pages; i++) {
5024 GdkRectangle page_area;
5027 if (get_page_extents (view, i, &page_area, &border)) {
5028 GdkRectangle overlap;
5030 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
5031 EvViewSelection *selection;
5033 selection = g_new0 (EvViewSelection, 1);
5034 selection->page = i;
5035 view_rect_to_doc_rect (view, &overlap, &page_area,
5036 &(selection->rect));
5038 list = g_list_append (list, selection);
5047 gdk_rectangle_point_in (GdkRectangle *rectangle,
5050 return rectangle->x <= point->x &&
5051 rectangle->y <= point->y &&
5052 point->x < rectangle->x + rectangle->width &&
5053 point->y < rectangle->y + rectangle->height;
5057 compute_new_selection_text (EvView *view,
5061 int n_pages, i, first, last;
5063 EvViewSelection *selection;
5065 int start_page, end_page;
5067 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
5069 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5071 /* First figure out the range of pages the selection
5075 if (view->continuous) {
5078 } else if (view->dual_page) {
5079 start_page = view->start_page;
5080 end_page = view->end_page + 1;
5082 start_page = view->current_page;
5083 end_page = view->current_page + 1;
5086 for (i = start_page; i < end_page; i++) {
5087 GdkRectangle page_area;
5090 get_page_extents (view, i, &page_area, &border);
5091 if (gdk_rectangle_point_in (&page_area, start) ||
5092 gdk_rectangle_point_in (&page_area, stop)) {
5093 if (first == n_pages)
5100 /* Now create a list of EvViewSelection's for the affected
5101 * pages. This could be an empty list, a list of just one
5102 * page or a number of pages.*/
5103 for (i = first; i < last + 1; i++) {
5104 GdkRectangle page_area;
5108 ev_page_cache_get_size (view->page_cache, i,
5110 1.0, &width, &height);
5112 selection = g_new0 (EvViewSelection, 1);
5113 selection->page = i;
5114 selection->rect.x1 = selection->rect.y1 = 0;
5115 selection->rect.x2 = width;
5116 selection->rect.y2 = height;
5118 get_page_extents (view, i, &page_area, &border);
5120 if (gdk_rectangle_point_in (&page_area, start))
5126 view_point_to_doc_point (view, point, &page_area,
5127 &selection->rect.x1,
5128 &selection->rect.y1);
5130 /* If the selection is contained within just one page,
5131 * make sure we don't write 'start' into both points
5132 * in selection->rect. */
5137 view_point_to_doc_point (view, point, &page_area,
5138 &selection->rect.x2,
5139 &selection->rect.y2);
5141 list = g_list_append (list, selection);
5147 /* This function takes the newly calculated list, and figures out which regions
5148 * have changed. It then queues a redraw approporiately.
5151 merge_selection_region (EvView *view,
5155 GList *new_list_ptr, *old_list_ptr;
5157 /* Update the selection */
5158 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
5159 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5160 view->selection_info.selections = new_list;
5161 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
5162 g_object_notify (G_OBJECT (view), "has-selection");
5164 new_list_ptr = new_list;
5165 old_list_ptr = old_list;
5167 while (new_list_ptr || old_list_ptr) {
5168 EvViewSelection *old_sel, *new_sel;
5170 GdkRegion *region = NULL;
5172 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
5173 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
5175 /* Assume that the lists are in order, and we run through them
5176 * comparing them, one page at a time. We come out with the
5177 * first page we see. */
5178 if (new_sel && old_sel) {
5179 if (new_sel->page < old_sel->page) {
5180 new_list_ptr = new_list_ptr->next;
5182 } else if (new_sel->page > old_sel->page) {
5183 old_list_ptr = old_list_ptr->next;
5186 new_list_ptr = new_list_ptr->next;
5187 old_list_ptr = old_list_ptr->next;
5189 } else if (new_sel) {
5190 new_list_ptr = new_list_ptr->next;
5191 } else if (old_sel) {
5192 old_list_ptr = old_list_ptr->next;
5195 g_assert (new_sel || old_sel);
5197 /* is the page we're looking at on the screen?*/
5198 cur_page = new_sel ? new_sel->page : old_sel->page;
5199 if (cur_page < view->start_page || cur_page > view->end_page)
5202 /* seed the cache with a new page. We are going to need the new
5205 GdkRegion *tmp_region = NULL;
5207 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
5213 new_sel->covered_region = gdk_region_copy (tmp_region);
5217 /* Now we figure out what needs redrawing */
5218 if (old_sel && new_sel) {
5219 if (old_sel->covered_region && new_sel->covered_region) {
5220 /* We only want to redraw the areas that have
5221 * changed, so we xor the old and new regions
5222 * and redraw if it's different */
5223 region = gdk_region_copy (old_sel->covered_region);
5224 gdk_region_xor (region, new_sel->covered_region);
5225 if (gdk_region_empty (region)) {
5226 gdk_region_destroy (region);
5229 } else if (old_sel->covered_region) {
5230 region = gdk_region_copy (old_sel->covered_region);
5231 } else if (new_sel->covered_region) {
5232 region = gdk_region_copy (new_sel->covered_region);
5234 } else if (old_sel && !new_sel) {
5235 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
5236 region = gdk_region_copy (old_sel->covered_region);
5238 } else if (!old_sel && new_sel) {
5239 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
5240 region = gdk_region_copy (new_sel->covered_region);
5243 g_assert_not_reached ();
5246 /* Redraw the damaged region! */
5248 GdkRectangle page_area;
5251 /* I don't know why but the region is smaller
5252 * than expected. This hack fixes it, I guess
5253 * 10 pixels more won't hurt
5255 gdk_region_shrink (region, -5, -5);
5257 get_page_extents (view, cur_page, &page_area, &border);
5258 gdk_region_offset (region,
5259 page_area.x + border.left - view->scroll_x,
5260 page_area.y + border.top - view->scroll_y);
5261 gdk_window_invalidate_region (view->layout.bin_window, region, TRUE);
5262 gdk_region_destroy (region);
5266 /* Free the old list, now that we're done with it. */
5267 g_list_foreach (old_list, (GFunc) selection_free, NULL);
5271 compute_selections (EvView *view,
5277 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
5278 list = compute_new_selection_rect (view, start, stop);
5280 list = compute_new_selection_text (view, start, stop);
5281 merge_selection_region (view, list);
5284 /* Free's the selection. It's up to the caller to queue redraws if needed.
5287 selection_free (EvViewSelection *selection)
5289 if (selection->covered_region)
5290 gdk_region_destroy (selection->covered_region);
5295 clear_selection (EvView *view)
5297 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5298 view->selection_info.selections = NULL;
5299 view->selection_info.in_selection = FALSE;
5300 if (view->pixbuf_cache)
5301 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
5302 g_object_notify (G_OBJECT (view), "has-selection");
5307 ev_view_select_all (EvView *view)
5311 /* Disable selection on rotated pages for the 0.4.0 series */
5312 if (view->rotation != 0)
5315 clear_selection (view);
5317 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5318 for (i = 0; i < n_pages; i++) {
5320 EvViewSelection *selection;
5322 ev_page_cache_get_size (view->page_cache,
5325 1.0, &width, &height);
5327 selection = g_new0 (EvViewSelection, 1);
5328 selection->page = i;
5329 selection->rect.x1 = selection->rect.y1 = 0;
5330 selection->rect.x2 = width;
5331 selection->rect.y2 = height;
5333 view->selection_info.selections = g_list_append (view->selection_info.selections, selection);
5336 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, view->selection_info.selections);
5337 g_object_notify (G_OBJECT (view), "has-selection");
5338 gtk_widget_queue_draw (GTK_WIDGET (view));
5342 ev_view_get_has_selection (EvView *view)
5344 return view->selection_info.selections != NULL;
5348 get_selected_text (EvView *ev_view)
5352 gchar *normalized_text;
5354 text = g_string_new (NULL);
5356 ev_document_doc_mutex_lock ();
5358 for (l = ev_view->selection_info.selections; l != NULL; l = l->next) {
5359 EvViewSelection *selection = (EvViewSelection *)l->data;
5362 tmp = ev_document_get_text (ev_view->document,
5365 g_string_append (text, tmp);
5369 ev_document_doc_mutex_unlock ();
5371 normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC);
5372 g_string_free (text, TRUE);
5373 return normalized_text;
5377 ev_view_copy (EvView *ev_view)
5379 GtkClipboard *clipboard;
5382 if (!ev_document_can_get_text (ev_view->document)) {
5386 text = get_selected_text (ev_view);
5387 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
5388 GDK_SELECTION_CLIPBOARD);
5389 gtk_clipboard_set_text (clipboard, text, -1);
5394 ev_view_primary_get_cb (GtkClipboard *clipboard,
5395 GtkSelectionData *selection_data,
5399 EvView *ev_view = EV_VIEW (data);
5402 if (!ev_document_can_get_text (ev_view->document)) {
5406 text = get_selected_text (ev_view);
5408 gtk_selection_data_set_text (selection_data, text, -1);
5414 ev_view_primary_clear_cb (GtkClipboard *clipboard,
5417 EvView *view = EV_VIEW (data);
5419 clear_selection (view);
5423 ev_view_update_primary_selection (EvView *ev_view)
5425 GtkClipboard *clipboard;
5427 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
5428 GDK_SELECTION_PRIMARY);
5430 if (ev_view->selection_info.selections) {
5431 if (!gtk_clipboard_set_with_owner (clipboard,
5433 G_N_ELEMENTS (clipboard_targets),
5434 ev_view_primary_get_cb,
5435 ev_view_primary_clear_cb,
5436 G_OBJECT (ev_view)))
5437 ev_view_primary_clear_cb (clipboard, ev_view);
5439 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
5440 gtk_clipboard_clear (clipboard);
5444 /*** Cursor operations ***/
5447 ev_view_create_invisible_cursor(void)
5450 GdkColor black = { 0, 0, 0, 0 };
5451 static char bits[] = { 0x00 };
5453 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
5455 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
5459 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
5461 GdkCursor *cursor = NULL;
5462 GdkDisplay *display;
5465 if (view->cursor == new_cursor) {
5469 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
5470 display = gtk_widget_get_display (widget);
5471 view->cursor = new_cursor;
5473 switch (new_cursor) {
5474 case EV_VIEW_CURSOR_NORMAL:
5475 gdk_window_set_cursor (view->layout.bin_window, NULL);
5477 case EV_VIEW_CURSOR_IBEAM:
5478 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
5480 case EV_VIEW_CURSOR_LINK:
5481 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
5483 case EV_VIEW_CURSOR_WAIT:
5484 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
5486 case EV_VIEW_CURSOR_HIDDEN:
5487 cursor = ev_view_create_invisible_cursor ();
5489 case EV_VIEW_CURSOR_DRAG:
5490 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
5495 gdk_window_set_cursor (view->layout.bin_window, cursor);
5496 gdk_cursor_unref (cursor);
5502 ev_view_hide_cursor (EvView *view)
5504 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
5508 ev_view_show_cursor (EvView *view)
5510 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
5514 ev_view_reset_presentation_state (EvView *view)
5516 if (!view->presentation ||
5517 view->presentation_state == EV_PRESENTATION_NORMAL)
5520 view->presentation_state = EV_PRESENTATION_NORMAL;
5521 gdk_window_set_background (view->layout.bin_window,
5522 >K_WIDGET (view)->style->black);
5523 gtk_widget_queue_draw (GTK_WIDGET (view));
5527 ev_view_next_page (EvView *view)
5531 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5533 if (!view->page_cache)
5536 if (view->presentation &&
5537 (view->presentation_state == EV_PRESENTATION_BLACK ||
5538 view->presentation_state == EV_PRESENTATION_WHITE)) {
5539 ev_view_reset_presentation_state (view);
5543 ev_view_presentation_transition_stop (view);
5544 ev_view_reset_presentation_state (view);
5546 page = ev_page_cache_get_current_page (view->page_cache);
5547 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5549 if (view->dual_page && !view->presentation)
5554 if (page < n_pages) {
5555 ev_page_cache_set_current_page (view->page_cache, page);
5557 } else if (view->presentation && page == n_pages) {
5558 view->presentation_state = EV_PRESENTATION_END;
5559 gtk_widget_queue_draw (GTK_WIDGET (view));
5561 } else if (view->dual_page && page == n_pages) {
5562 ev_page_cache_set_current_page (view->page_cache, page - 1);
5570 ev_view_previous_page (EvView *view)
5574 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5576 if (!view->page_cache)
5579 if (view->presentation &&
5580 view->presentation_state == EV_PRESENTATION_END) {
5581 ev_view_reset_presentation_state (view);
5585 if (view->presentation &&
5586 (view->presentation_state == EV_PRESENTATION_BLACK ||
5587 view->presentation_state == EV_PRESENTATION_WHITE)) {
5588 ev_view_reset_presentation_state (view);
5592 ev_view_reset_presentation_state (view);
5594 page = ev_page_cache_get_current_page (view->page_cache);
5596 if (view->dual_page && !view->presentation)
5602 ev_page_cache_set_current_page (view->page_cache, page);
5604 } else if (ev_view_get_dual_page (view) && page == -1) {
5605 ev_page_cache_set_current_page (view->page_cache, 0);
5612 /*** Enum description for usage in signal ***/
5615 ev_sizing_mode_get_type (void)
5617 static GType etype = 0;
5619 static const GEnumValue values[] = {
5620 { EV_SIZING_FIT_WIDTH, "EV_SIZING_FIT_WIDTH", "fit-width" },
5621 { EV_SIZING_BEST_FIT, "EV_SIZING_BEST_FIT", "best-fit" },
5622 { EV_SIZING_FREE, "EV_SIZING_FREE", "free" },
5625 etype = g_enum_register_static ("EvSizingMode", values);
5631 ev_scroll_type_get_type (void)
5633 static GType etype = 0;
5635 static const GEnumValue values[] = {
5636 { EV_SCROLL_PAGE_FORWARD, "EV_SCROLL_PAGE_FORWARD", "scroll-page-forward" },
5637 { EV_SCROLL_PAGE_BACKWARD, "EV_SCROLL_PAGE_BACKWARD", "scroll-page-backward" },
5638 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
5639 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
5640 { EV_SCROLL_STEP_UP, "EV_SCROLL_STEP_UP", "scroll-step-up" },
5641 { EV_SCROLL_STEP_DOWN, "EV_SCROLL_STEP_DOWN", "scroll-step-down" },
5644 etype = g_enum_register_static ("EvScrollType", values);
5650 ev_view_update_view_size (EvView *view, GtkScrolledWindow * scrolled_window)
5653 GtkRequisition vsb_requisition;
5654 GtkRequisition hsb_requisition;
5655 int scrollbar_spacing;
5657 /* Calculate the width available for the content */
5658 width = GTK_WIDGET (scrolled_window)->allocation.width;
5659 height = GTK_WIDGET (scrolled_window)->allocation.height;
5661 if (gtk_scrolled_window_get_shadow_type (scrolled_window) == GTK_SHADOW_IN
5663 width -= 2 * GTK_WIDGET(view)->style->xthickness;
5664 height -= 2 * GTK_WIDGET(view)->style->ythickness;
5667 gtk_widget_size_request (scrolled_window->vscrollbar, &vsb_requisition);
5668 gtk_widget_size_request (scrolled_window->hscrollbar, &hsb_requisition);
5669 gtk_widget_style_get (GTK_WIDGET (scrolled_window),
5670 "scrollbar_spacing",
5674 if (EV_IS_VIEW(view)) {
5675 ev_view_set_zoom_for_size (EV_VIEW (view),
5678 vsb_requisition.width + scrollbar_spacing,
5679 hsb_requisition.height + scrollbar_spacing);