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-document-links.h"
36 #include "ev-document-images.h"
37 #include "ev-document-find.h"
38 #include "ev-document-transition.h"
39 #include "ev-document-forms.h"
40 #include "ev-document-misc.h"
41 #include "ev-job-queue.h"
42 #include "ev-page-cache.h"
43 #include "ev-pixbuf-cache.h"
44 #if !GTK_CHECK_VERSION (2, 11, 7)
45 #include "ev-tooltip.h"
47 #include "ev-application.h"
49 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
50 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
51 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
68 SIGNAL_BINDING_ACTIVATED,
87 TARGET_TEXT_BUFFER_CONTENTS
90 static const GtkTargetEntry clipboard_targets[] = {
91 { "STRING", 0, TARGET_STRING },
92 { "TEXT", 0, TARGET_TEXT },
93 { "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT },
94 { "UTF8_STRING", 0, TARGET_UTF8_STRING },
97 static const GtkTargetEntry view_drop_targets[] = {
98 { "text/uri-list", 0, 0 }
101 static guint signals[N_SIGNALS];
106 } EvViewFindDirection;
108 #define ZOOM_IN_FACTOR 1.2
109 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
111 #define MIN_SCALE 0.05409
112 #define MAX_SCALE 4.0
114 #define SCROLL_TIME 150
117 static void scroll_to_current_page (EvView *view,
118 GtkOrientation orientation);
119 static void ev_view_set_scroll_adjustments (GtkLayout *layout,
120 GtkAdjustment *hadjustment,
121 GtkAdjustment *vadjustment);
122 static void view_update_range_and_current_page (EvView *view);
123 static void set_scroll_adjustment (EvView *view,
124 GtkOrientation orientation,
125 GtkAdjustment *adjustment);
126 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
128 GdkModifierType modifiers,
130 gboolean horizontal);
131 static void ensure_rectangle_is_visible (EvView *view,
134 /*** Geometry computations ***/
135 static void compute_border (EvView *view,
139 static void get_page_y_offset (EvView *view,
143 static gboolean get_page_extents (EvView *view,
145 GdkRectangle *page_area,
147 static void view_rect_to_doc_rect (EvView *view,
148 GdkRectangle *view_rect,
149 GdkRectangle *page_area,
150 EvRectangle *doc_rect);
151 static void doc_rect_to_view_rect (EvView *view,
153 EvRectangle *doc_rect,
154 GdkRectangle *view_rect);
155 static void find_page_at_location (EvView *view,
161 static gboolean doc_point_to_view_point (EvView *view,
164 GdkPoint *view_point);
166 static EvLink * ev_view_get_link_at_location (EvView *view,
169 static char* tip_from_link (EvView *view,
172 static EvFormField *ev_view_get_form_field_at_location (EvView *view,
176 /*** GtkWidget implementation ***/
177 static void ev_view_size_request_continuous_dual_page (EvView *view,
178 GtkRequisition *requisition);
179 static void ev_view_size_request_continuous (EvView *view,
180 GtkRequisition *requisition);
181 static void ev_view_size_request_dual_page (EvView *view,
182 GtkRequisition *requisition);
183 static void ev_view_size_request_single_page (EvView *view,
184 GtkRequisition *requisition);
185 static void ev_view_size_request (GtkWidget *widget,
186 GtkRequisition *requisition);
187 static void ev_view_size_allocate (GtkWidget *widget,
188 GtkAllocation *allocation);
189 static void ev_view_realize (GtkWidget *widget);
190 static gboolean ev_view_scroll_event (GtkWidget *widget,
191 GdkEventScroll *event);
192 static gboolean ev_view_expose_event (GtkWidget *widget,
193 GdkEventExpose *event);
194 static gboolean ev_view_popup_menu (GtkWidget *widget);
195 static gboolean ev_view_button_press_event (GtkWidget *widget,
196 GdkEventButton *event);
197 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
198 GdkEventMotion *event);
199 static gboolean ev_view_button_release_event (GtkWidget *widget,
200 GdkEventButton *event);
201 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
202 GdkEventCrossing *event);
203 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
204 GdkEventCrossing *event);
205 static void ev_view_style_set (GtkWidget *widget,
206 GtkStyle *old_style);
207 static void ev_view_remove_all (EvView *view);
209 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
212 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
213 static void draw_rubberband (GtkWidget *widget,
215 const GdkRectangle *rect,
217 static void highlight_find_results (EvView *view,
219 static void draw_one_page (EvView *view,
222 GdkRectangle *page_area,
224 GdkRectangle *expose_area,
225 gboolean *page_ready);
226 static void draw_loading_text (EvView *view,
227 GdkRectangle *page_area,
228 GdkRectangle *expose_area);
231 static void find_changed_cb (EvDocument *document,
234 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
237 static void page_changed_cb (EvPageCache *page_cache,
240 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
244 static void ev_view_finalize (GObject *object);
245 static void ev_view_destroy (GtkObject *object);
246 static void ev_view_set_property (GObject *object,
250 static void ev_view_get_property (GObject *object,
254 static void ev_view_class_init (EvViewClass *class);
255 static void ev_view_init (EvView *view);
257 /*** Zoom and sizing ***/
258 static double zoom_for_size_fit_width (int doc_width,
263 static double zoom_for_size_fit_height (int doc_width,
268 static double zoom_for_size_best_fit (int doc_width,
274 static void ev_view_zoom_for_size_presentation (EvView *view,
277 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
282 static void ev_view_zoom_for_size_continuous (EvView *view,
287 static void ev_view_zoom_for_size_dual_page (EvView *view,
292 static void ev_view_zoom_for_size_single_page (EvView *view,
298 static GdkCursor* ev_view_create_invisible_cursor (void);
299 static void ev_view_set_cursor (EvView *view,
300 EvViewCursor new_cursor);
301 static void ev_view_handle_cursor_over_xy (EvView *view,
306 static void update_find_status_message (EvView *view,
308 static void ev_view_set_find_status (EvView *view,
309 const char *message);
310 static void jump_to_find_result (EvView *view);
311 static void jump_to_find_page (EvView *view,
312 EvViewFindDirection direction,
316 static void compute_selections (EvView *view,
317 EvSelectionStyle style,
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;
492 } else if (found && view->current_page <= view->end_page) {
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)
1157 gdouble zoom, left, top;
1158 gboolean change_left, change_top;
1160 left = ev_link_dest_get_left (dest, &change_left);
1161 top = ev_link_dest_get_top (dest, &change_top);
1163 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - left,
1164 ev_link_dest_get_bottom (dest) - top,
1165 ev_view_get_width (view),
1166 ev_view_get_height (view), 0, 0);
1168 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1169 ev_view_set_zoom (view, zoom, FALSE);
1171 doc_point.x = change_left ? left : 0;
1172 doc_point.y = change_top ? top : 0;
1174 view->current_page = ev_link_dest_get_page (dest);
1175 if (change_left || change_top)
1176 view->pending_point = doc_point;
1177 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1179 gtk_widget_queue_resize (GTK_WIDGET (view));
1183 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1186 int doc_width, doc_height, page;
1188 gboolean change_left;
1190 page = ev_link_dest_get_page (dest);
1191 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1193 left = ev_link_dest_get_left (dest, &change_left);
1194 doc_point.x = change_left ? left : 0;
1197 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1198 ev_view_get_width (view),
1199 ev_view_get_height (view), 0);
1201 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1202 ev_view_set_zoom (view, zoom, FALSE);
1204 view->current_page = page;
1206 view->pending_point = doc_point;
1207 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1209 gtk_widget_queue_resize (GTK_WIDGET (view));
1213 goto_fith_dest (EvView *view, EvLinkDest *dest)
1216 int doc_width, doc_height, page;
1218 gboolean change_top;
1220 page = ev_link_dest_get_page (dest);
1221 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1223 top = ev_link_dest_get_top (dest, &change_top);
1226 doc_point.y = change_top ? top : 0;
1228 zoom = zoom_for_size_fit_width (doc_width, top,
1229 ev_view_get_width (view),
1230 ev_view_get_height (view), 0);
1232 ev_view_set_sizing_mode (view, EV_SIZING_FIT_WIDTH);
1233 ev_view_set_zoom (view, zoom, FALSE);
1235 view->current_page = page;
1237 view->pending_point = doc_point;
1238 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1240 gtk_widget_queue_resize (GTK_WIDGET (view));
1244 goto_fit_dest (EvView *view, EvLinkDest *dest)
1247 int doc_width, doc_height;
1250 page = ev_link_dest_get_page (dest);
1251 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1253 zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view),
1254 ev_view_get_height (view), 0, 0);
1256 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
1257 ev_view_set_zoom (view, zoom, FALSE);
1259 view->current_page = page;
1260 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1262 gtk_widget_queue_resize (GTK_WIDGET (view));
1266 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1270 gdouble zoom, left, top;
1271 gboolean change_zoom, change_left, change_top;
1273 zoom = ev_link_dest_get_zoom (dest, &change_zoom);
1274 page = ev_link_dest_get_page (dest);
1276 if (change_zoom && zoom > 1) {
1277 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1278 ev_view_set_zoom (view, zoom, FALSE);
1281 left = ev_link_dest_get_left (dest, &change_left);
1282 top = ev_link_dest_get_top (dest, &change_top);
1284 doc_point.x = change_left ? left : 0;
1285 doc_point.y = change_top ? top : 0;
1287 view->current_page = page;
1288 if (change_left || change_top)
1289 view->pending_point = doc_point;
1290 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1292 gtk_widget_queue_resize (GTK_WIDGET (view));
1296 goto_dest (EvView *view, EvLinkDest *dest)
1298 EvLinkDestType type;
1299 int page, n_pages, current_page;
1301 page = ev_link_dest_get_page (dest);
1302 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1304 if (page < 0 || page >= n_pages)
1307 current_page = view->current_page;
1309 type = ev_link_dest_get_dest_type (dest);
1312 case EV_LINK_DEST_TYPE_PAGE:
1313 ev_page_cache_set_current_page (view->page_cache, page);
1315 case EV_LINK_DEST_TYPE_FIT:
1316 goto_fit_dest (view, dest);
1318 case EV_LINK_DEST_TYPE_FITH:
1319 goto_fith_dest (view, dest);
1321 case EV_LINK_DEST_TYPE_FITV:
1322 goto_fitv_dest (view, dest);
1324 case EV_LINK_DEST_TYPE_FITR:
1325 goto_fitr_dest (view, dest);
1327 case EV_LINK_DEST_TYPE_XYZ:
1328 goto_xyz_dest (view, dest);
1330 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1331 ev_page_cache_set_page_label (view->page_cache, ev_link_dest_get_page_label (dest));
1334 g_assert_not_reached ();
1337 if (current_page != view->current_page)
1338 ev_page_cache_set_current_page (view->page_cache,
1339 view->current_page);
1343 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1345 EvLinkDestType type;
1347 type = ev_link_dest_get_dest_type (dest);
1349 if (type == EV_LINK_DEST_TYPE_NAMED) {
1351 const gchar *named_dest;
1353 named_dest = ev_link_dest_get_named_dest (dest);
1354 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1357 goto_dest (view, dest2);
1358 g_object_unref (dest2);
1364 goto_dest (view, dest);
1368 ev_view_handle_link (EvView *view, EvLink *link)
1370 EvLinkAction *action = NULL;
1371 EvLinkActionType type;
1373 action = ev_link_get_action (link);
1377 type = ev_link_action_get_action_type (action);
1380 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1383 g_signal_emit (view, signals[SIGNAL_HANDLE_LINK], 0, link);
1385 dest = ev_link_action_get_dest (action);
1386 ev_view_goto_dest (view, dest);
1389 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1390 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1391 case EV_LINK_ACTION_TYPE_LAUNCH:
1392 case EV_LINK_ACTION_TYPE_NAMED:
1393 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1399 ev_view_page_label_from_dest (EvView *view, EvLinkDest *dest)
1401 EvLinkDestType type;
1404 type = ev_link_dest_get_dest_type (dest);
1407 case EV_LINK_DEST_TYPE_NAMED: {
1409 const gchar *named_dest;
1411 named_dest = ev_link_dest_get_named_dest (dest);
1412 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1415 msg = ev_page_cache_get_page_label (view->page_cache,
1416 ev_link_dest_get_page (dest2));
1417 g_object_unref (dest2);
1422 case EV_LINK_DEST_TYPE_PAGE_LABEL: {
1423 msg = g_strdup (ev_link_dest_get_page_label (dest));
1427 msg = ev_page_cache_get_page_label (view->page_cache,
1428 ev_link_dest_get_page (dest));
1435 tip_from_action_named (EvLinkAction *action)
1437 const gchar *name = ev_link_action_get_name (action);
1439 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1440 return g_strdup (_("Go to first page"));
1441 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1442 return g_strdup (_("Go to previous page"));
1443 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1444 return g_strdup (_("Go to next page"));
1445 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1446 return g_strdup (_("Go to last page"));
1447 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1448 return g_strdup (_("Go to page"));
1449 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1450 return g_strdup (_("Find"));
1457 tip_from_link (EvView *view, EvLink *link)
1459 EvLinkAction *action;
1460 EvLinkActionType type;
1465 action = ev_link_get_action (link);
1466 title = ev_link_get_title (link);
1469 return title ? g_strdup (title) : NULL;
1471 type = ev_link_action_get_action_type (action);
1474 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1475 page_label = ev_view_page_label_from_dest (view,
1476 ev_link_action_get_dest (action));
1478 msg = g_strdup_printf (_("Go to page %s"), page_label);
1479 g_free (page_label);
1482 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1484 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1485 ev_link_action_get_filename (action));
1487 msg = g_strdup_printf (_("Go to file “%s”"),
1488 ev_link_action_get_filename (action));
1491 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1492 msg = g_strdup (ev_link_action_get_uri (action));
1494 case EV_LINK_ACTION_TYPE_LAUNCH:
1495 msg = g_strdup_printf (_("Launch %s"),
1496 ev_link_action_get_filename (action));
1498 case EV_LINK_ACTION_TYPE_NAMED:
1499 msg = tip_from_action_named (action);
1503 msg = g_strdup (title);
1511 ev_view_handle_cursor_over_xy (EvView *view, gint x, gint y)
1516 if (view->cursor == EV_VIEW_CURSOR_HIDDEN)
1519 if (view->drag_info.in_drag) {
1520 if (view->cursor != EV_VIEW_CURSOR_DRAG)
1521 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1525 if (view->scroll_info.autoscrolling) {
1526 if (view->cursor != EV_VIEW_CURSOR_AUTOSCROLL)
1527 ev_view_set_cursor (view, EV_VIEW_CURSOR_AUTOSCROLL);
1531 link = ev_view_get_link_at_location (view, x, y);
1533 #if !GTK_CHECK_VERSION (2, 11, 7)
1534 if (view->link_tooltip == NULL) {
1535 view->link_tooltip = ev_tooltip_new (GTK_WIDGET (view));
1538 if (view->hovered_link != link) {
1539 view->hovered_link = link;
1540 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
1545 #if GTK_CHECK_VERSION (2, 11, 7)
1546 g_object_set (view, "has-tooltip", TRUE, NULL);
1548 char *msg = tip_from_link (view, link);
1550 if (msg && g_utf8_validate (msg, -1, NULL)) {
1551 EvTooltip *tooltip = EV_TOOLTIP (view->link_tooltip);
1553 ev_tooltip_set_position (tooltip, x, y);
1554 ev_tooltip_set_text (tooltip, msg);
1555 ev_tooltip_activate (tooltip);
1559 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1560 } else if ((field = ev_view_get_form_field_at_location (view, x, y))) {
1561 if (field->is_read_only) {
1562 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1563 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1564 view->cursor == EV_VIEW_CURSOR_DRAG)
1565 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1566 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
1567 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1569 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1571 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1572 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1574 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1575 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1576 view->cursor == EV_VIEW_CURSOR_DRAG)
1577 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1583 ev_view_get_image_at_location (EvView *view,
1588 gint x_offset = 0, y_offset = 0;
1589 gint x_new = 0, y_new = 0;
1590 GList *image_mapping;
1592 if (!EV_IS_DOCUMENT_IMAGES (view->document))
1595 x += view->scroll_x;
1596 y += view->scroll_y;
1598 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1603 if (get_doc_point_from_offset (view, page, x_offset,
1604 y_offset, &x_new, &y_new) == FALSE)
1607 image_mapping = ev_pixbuf_cache_get_image_mapping (view->pixbuf_cache, page);
1610 return ev_image_mapping_find (image_mapping, x_new, y_new);
1616 static EvFormField *
1617 ev_view_get_form_field_at_location (EvView *view,
1622 gint x_offset = 0, y_offset = 0;
1623 gint x_new = 0, y_new = 0;
1624 GList *forms_mapping;
1626 if (!EV_IS_DOCUMENT_FORMS (view->document))
1629 x += view->scroll_x;
1630 y += view->scroll_y;
1632 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1637 if (get_doc_point_from_offset (view, page, x_offset,
1638 y_offset, &x_new, &y_new) == FALSE)
1641 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, page);
1644 return ev_form_field_mapping_find (forms_mapping, x_new, y_new);
1650 ev_view_form_field_get_region (EvView *view,
1653 EvRectangle field_area;
1654 GdkRectangle view_area;
1655 GList *forms_mapping;
1657 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
1659 ev_form_field_mapping_get_area (forms_mapping, field, &field_area);
1660 doc_rect_to_view_rect (view, field->page, &field_area, &view_area);
1661 view_area.x -= view->scroll_x;
1662 view_area.y -= view->scroll_y;
1664 return gdk_region_rectangle (&view_area);
1668 ev_view_forms_remove_widgets (EvView *view)
1670 ev_view_remove_all (view);
1676 ev_view_form_field_destroy (GtkWidget *widget,
1679 g_idle_add ((GSourceFunc)ev_view_forms_remove_widgets, view);
1683 ev_view_form_field_button_create_widget (EvView *view,
1686 EvFormFieldButton *field_button = EV_FORM_FIELD_BUTTON (field);
1687 GdkRegion *field_region = NULL;
1689 switch (field_button->type) {
1690 case EV_FORM_FIELD_BUTTON_PUSH:
1692 case EV_FORM_FIELD_BUTTON_CHECK:
1693 case EV_FORM_FIELD_BUTTON_RADIO: {
1695 GList *forms_mapping, *l;
1697 state = ev_document_forms_form_field_button_get_state (EV_DOCUMENT_FORMS (view->document),
1700 /* FIXME: it actually depends on NoToggleToOff flags */
1701 if (field_button->type == EV_FORM_FIELD_BUTTON_RADIO &&
1702 state && field_button->state)
1705 field_region = ev_view_form_field_get_region (view, field);
1707 /* For radio buttons and checkbox buttons that are in a set
1708 * we need to update also the region for the current selected item
1710 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
1712 for (l = forms_mapping; l; l = g_list_next (l)) {
1713 EvFormField *button = ((EvFormFieldMapping *)(l->data))->field;
1714 GdkRegion *button_region;
1716 if (button->id == field->id)
1719 /* FIXME: only buttons in the same group should be updated */
1720 if (!EV_IS_FORM_FIELD_BUTTON (button) ||
1721 EV_FORM_FIELD_BUTTON (button)->type != field_button->type ||
1722 EV_FORM_FIELD_BUTTON (button)->state != TRUE)
1725 button_region = ev_view_form_field_get_region (view, button);
1726 gdk_region_union (field_region, button_region);
1727 gdk_region_destroy (button_region);
1730 ev_document_forms_form_field_button_set_state (EV_DOCUMENT_FORMS (view->document),
1732 field_button->state = !state;
1737 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
1742 gdk_region_destroy (field_region);
1748 ev_view_form_field_text_save (EvView *view,
1753 if (!view->document)
1756 field = g_object_get_data (G_OBJECT (widget), "form-field");
1758 if (field->changed) {
1759 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1760 GdkRegion *field_region;
1762 field_region = ev_view_form_field_get_region (view, field);
1764 ev_document_forms_form_field_text_set_text (EV_DOCUMENT_FORMS (view->document),
1765 field, field_text->text);
1766 field->changed = FALSE;
1767 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
1772 gdk_region_destroy (field_region);
1777 ev_view_form_field_text_changed (GtkWidget *widget,
1780 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1783 if (GTK_IS_ENTRY (widget)) {
1784 text = g_strdup (gtk_entry_get_text (GTK_ENTRY (widget)));
1785 } else if (GTK_IS_TEXT_BUFFER (widget)) {
1786 GtkTextIter start, end;
1788 gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (widget), &start, &end);
1789 text = gtk_text_buffer_get_text (GTK_TEXT_BUFFER (widget),
1790 &start, &end, FALSE);
1793 if (!field_text->text ||
1794 (field_text->text && g_ascii_strcasecmp (field_text->text, text) != 0)) {
1795 g_free (field_text->text);
1796 field_text->text = text;
1797 field->changed = TRUE;
1802 ev_view_form_field_text_create_widget (EvView *view,
1805 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1806 GtkWidget *text = NULL;
1809 txt = ev_document_forms_form_field_text_get_text (EV_DOCUMENT_FORMS (view->document),
1812 switch (field_text->type) {
1813 case EV_FORM_FIELD_TEXT_FILE_SELECT:
1815 case EV_FORM_FIELD_TEXT_NORMAL:
1816 text = gtk_entry_new ();
1817 gtk_entry_set_has_frame (GTK_ENTRY (text), FALSE);
1818 gtk_entry_set_max_length (GTK_ENTRY (text), field_text->max_len);
1819 gtk_entry_set_visibility (GTK_ENTRY (text), !field_text->is_password);
1822 gtk_entry_set_text (GTK_ENTRY (text), txt);
1826 g_signal_connect (G_OBJECT (text), "changed",
1827 G_CALLBACK (ev_view_form_field_text_changed),
1829 g_signal_connect_after (G_OBJECT (text), "activate",
1830 G_CALLBACK (ev_view_form_field_destroy),
1833 case EV_FORM_FIELD_TEXT_MULTILINE: {
1834 GtkTextBuffer *buffer;
1836 text = gtk_text_view_new ();
1837 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text));
1840 gtk_text_buffer_set_text (buffer, txt, -1);
1844 g_signal_connect (G_OBJECT (buffer), "changed",
1845 G_CALLBACK (ev_view_form_field_text_changed),
1851 g_object_weak_ref (G_OBJECT (text),
1852 (GWeakNotify)ev_view_form_field_text_save,
1859 ev_view_form_field_choice_save (EvView *view,
1864 if (!view->document)
1867 field = g_object_get_data (G_OBJECT (widget), "form-field");
1869 if (field->changed) {
1871 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
1872 GdkRegion *field_region;
1874 field_region = ev_view_form_field_get_region (view, field);
1876 if (field_choice->is_editable) {
1877 ev_document_forms_form_field_choice_set_text (EV_DOCUMENT_FORMS (view->document),
1878 field, field_choice->text);
1880 ev_document_forms_form_field_choice_unselect_all (EV_DOCUMENT_FORMS (view->document), field);
1881 for (l = field_choice->selected_items; l; l = g_list_next (l)) {
1882 ev_document_forms_form_field_choice_select_item (EV_DOCUMENT_FORMS (view->document),
1884 GPOINTER_TO_INT (l->data));
1887 field->changed = FALSE;
1888 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
1893 gdk_region_destroy (field_region);
1898 ev_view_form_field_choice_changed (GtkWidget *widget,
1901 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
1903 if (GTK_IS_COMBO_BOX (widget)) {
1906 item = gtk_combo_box_get_active (GTK_COMBO_BOX (widget));
1907 if (GPOINTER_TO_INT (field_choice->selected_items->data) != item) {
1908 g_list_free (field_choice->selected_items);
1909 field_choice->selected_items = NULL;
1910 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1911 GINT_TO_POINTER (item));
1912 field->changed = TRUE;
1915 if (GTK_IS_COMBO_BOX_ENTRY (widget)) {
1918 text = gtk_combo_box_get_active_text (GTK_COMBO_BOX (widget));
1919 if (!field_choice->text ||
1920 (field_choice->text && g_ascii_strcasecmp (field_choice->text, text) != 0)) {
1921 g_free (field_choice->text);
1922 field_choice->text = text;
1923 field->changed = TRUE;
1926 } else if (GTK_IS_TREE_SELECTION (widget)) {
1927 GtkTreeSelection *selection = GTK_TREE_SELECTION (widget);
1928 GtkTreeModel *model;
1931 items = gtk_tree_selection_get_selected_rows (selection, &model);
1932 g_list_free (field_choice->selected_items);
1933 field_choice->selected_items = NULL;
1935 for (l = items; l && l->data; l = g_list_next (l)) {
1937 GtkTreePath *path = (GtkTreePath *)l->data;
1940 gtk_tree_model_get_iter (model, &iter, path);
1941 gtk_tree_model_get (model, &iter, 1, &item, -1);
1943 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1944 GINT_TO_POINTER (item));
1946 gtk_tree_path_free (path);
1949 g_list_free (items);
1951 field->changed = TRUE;
1956 ev_view_form_field_choice_create_widget (EvView *view,
1959 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
1961 GtkTreeModel *model;
1963 gint selected_item = 0;
1965 n_items = ev_document_forms_form_field_choice_get_n_items (EV_DOCUMENT_FORMS (view->document),
1967 model = GTK_TREE_MODEL (gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT));
1968 for (i = 0; i < n_items; i++) {
1972 item = ev_document_forms_form_field_choice_get_item (EV_DOCUMENT_FORMS (view->document),
1974 if (ev_document_forms_form_field_choice_is_item_selected (
1975 EV_DOCUMENT_FORMS (view->document), field, i)) {
1977 /* FIXME: we need a get_selected_items function in poppler */
1978 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1979 GINT_TO_POINTER (i));
1983 gtk_list_store_append (GTK_LIST_STORE (model), &iter);
1984 gtk_list_store_set (GTK_LIST_STORE (model), &iter,
1992 if (field_choice->type == EV_FORM_FIELD_CHOICE_LIST) {
1993 GtkCellRenderer *renderer;
1994 GtkWidget *tree_view;
1995 GtkTreeSelection *selection;
1997 tree_view = gtk_tree_view_new_with_model (model);
1998 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);
2000 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
2001 if (field_choice->multi_select) {
2002 gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
2005 /* TODO: set selected items */
2007 renderer = gtk_cell_renderer_text_new ();
2008 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
2014 choice = gtk_scrolled_window_new (NULL, NULL);
2015 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (choice),
2016 GTK_POLICY_AUTOMATIC,
2017 GTK_POLICY_AUTOMATIC);
2018 gtk_container_add (GTK_CONTAINER (choice), tree_view);
2019 gtk_widget_show (tree_view);
2021 g_signal_connect (G_OBJECT (selection), "changed",
2022 G_CALLBACK (ev_view_form_field_choice_changed),
2024 g_signal_connect_after (G_OBJECT (selection), "changed",
2025 G_CALLBACK (ev_view_form_field_destroy),
2027 } else if (field_choice->is_editable) { /* ComboBoxEntry */
2030 choice = gtk_combo_box_entry_new_with_model (model, 0);
2031 text = ev_document_forms_form_field_choice_get_text (EV_DOCUMENT_FORMS (view->document), field);
2033 gtk_entry_set_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (choice))), text);
2037 g_signal_connect (G_OBJECT (choice), "changed",
2038 G_CALLBACK (ev_view_form_field_choice_changed),
2040 g_signal_connect_after (G_OBJECT (GTK_BIN (choice)->child), "activate",
2041 G_CALLBACK (ev_view_form_field_destroy),
2043 } else { /* ComboBoxText */
2044 GtkCellRenderer *renderer;
2046 choice = gtk_combo_box_new_with_model (model);
2047 renderer = gtk_cell_renderer_text_new ();
2048 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (choice),
2050 gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (choice),
2054 gtk_combo_box_set_active (GTK_COMBO_BOX (choice), selected_item);
2055 gtk_combo_box_popup (GTK_COMBO_BOX (choice));
2057 g_signal_connect (G_OBJECT (choice), "changed",
2058 G_CALLBACK (ev_view_form_field_choice_changed),
2060 g_signal_connect_after (G_OBJECT (choice), "changed",
2061 G_CALLBACK (ev_view_form_field_destroy),
2065 g_object_unref (model);
2067 g_object_weak_ref (G_OBJECT (choice),
2068 (GWeakNotify)ev_view_form_field_choice_save,
2075 ev_view_handle_form_field (EvView *view,
2080 GtkWidget *field_widget = NULL;
2081 GList *form_field_mapping;
2082 EvRectangle field_area;
2083 GdkRectangle view_area;
2085 if (field->is_read_only)
2088 if (EV_IS_FORM_FIELD_BUTTON (field)) {
2089 field_widget = ev_view_form_field_button_create_widget (view, field);
2090 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
2091 field_widget = ev_view_form_field_text_create_widget (view, field);
2092 } else if (EV_IS_FORM_FIELD_CHOICE (field)) {
2093 field_widget = ev_view_form_field_choice_create_widget (view, field);
2094 } else if (EV_IS_FORM_FIELD_SIGNATURE (field)) {
2098 /* Form field doesn't require a widget */
2102 g_object_set_data_full (G_OBJECT (field_widget), "form-field",
2103 g_object_ref (field),
2104 (GDestroyNotify)g_object_unref);
2106 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, field->page);
2107 ev_form_field_mapping_get_area (form_field_mapping, field, &field_area);
2109 doc_rect_to_view_rect (view, field->page, &field_area, &view_area);
2110 view_area.x -= view->scroll_x;
2111 view_area.y -= view->scroll_y;
2113 gtk_layout_put (GTK_LAYOUT (view), field_widget, view_area.x, view_area.y);
2114 gtk_widget_show (field_widget);
2115 gtk_widget_grab_focus (field_widget);
2118 /*** GtkWidget implementation ***/
2121 ev_view_size_request_continuous_dual_page (EvView *view,
2122 GtkRequisition *requisition)
2128 ev_page_cache_get_max_width (view->page_cache, view->rotation,
2129 view->scale, &max_width);
2130 compute_border (view, max_width, max_width, &border);
2132 n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1;
2134 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
2135 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
2137 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2138 requisition->width = 1;
2139 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2140 requisition->width = 1;
2141 /* FIXME: This could actually be set on one page docs or docs
2142 * with a strange aspect ratio. */
2143 /* requisition->height = 1;*/
2148 ev_view_size_request_continuous (EvView *view,
2149 GtkRequisition *requisition)
2156 ev_page_cache_get_max_width (view->page_cache, view->rotation,
2157 view->scale, &max_width);
2158 n_pages = ev_page_cache_get_n_pages (view->page_cache);
2159 compute_border (view, max_width, max_width, &border);
2161 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
2162 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
2164 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2165 requisition->width = 1;
2166 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2167 requisition->width = 1;
2168 /* FIXME: This could actually be set on one page docs or docs
2169 * with a strange aspect ratio. */
2170 /* requisition->height = 1;*/
2175 ev_view_size_request_dual_page (EvView *view,
2176 GtkRequisition *requisition)
2181 /* Find the largest of the two. */
2182 ev_page_cache_get_size (view->page_cache,
2187 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) {
2188 gint width_2, height_2;
2189 ev_page_cache_get_size (view->page_cache,
2190 view->current_page + 1,
2193 &width_2, &height_2);
2194 if (width_2 > width) {
2199 compute_border (view, width, height, &border);
2201 requisition->width = ((width + border.left + border.right) * 2) +
2202 (view->spacing * 3);
2203 requisition->height = (height + border.top + border.bottom) +
2204 (view->spacing * 2);
2206 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2207 requisition->width = 1;
2208 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2209 requisition->width = 1;
2210 requisition->height = 1;
2215 ev_view_size_request_single_page (EvView *view,
2216 GtkRequisition *requisition)
2221 ev_page_cache_get_size (view->page_cache,
2226 compute_border (view, width, height, &border);
2228 requisition->width = width + border.left + border.right + (2 * view->spacing);
2229 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2231 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2232 requisition->width = 1;
2233 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2234 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2235 requisition->width = 1;
2236 requisition->height = 1;
2241 ev_view_size_request (GtkWidget *widget,
2242 GtkRequisition *requisition)
2244 EvView *view = EV_VIEW (widget);
2246 if (view->document == NULL) {
2247 requisition->width = 1;
2248 requisition->height = 1;
2252 if (view->presentation) {
2253 requisition->width = 1;
2254 requisition->height = 1;
2258 if (view->continuous && view->dual_page)
2259 ev_view_size_request_continuous_dual_page (view, requisition);
2260 else if (view->continuous)
2261 ev_view_size_request_continuous (view, requisition);
2262 else if (view->dual_page)
2263 ev_view_size_request_dual_page (view, requisition);
2265 ev_view_size_request_single_page (view, requisition);
2269 ev_view_size_allocate (GtkWidget *widget,
2270 GtkAllocation *allocation)
2272 EvView *view = EV_VIEW (widget);
2273 GList *children, *l;
2275 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
2277 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2278 view->sizing_mode == EV_SIZING_BEST_FIT) {
2280 g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0);
2282 ev_view_size_request (widget, &widget->requisition);
2285 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
2286 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
2289 view_update_range_and_current_page (view);
2291 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2292 view->pending_resize = FALSE;
2294 children = gtk_container_get_children (GTK_CONTAINER (widget));
2295 for (l = children; l && l->data; l = g_list_next (l)) {
2297 EvRectangle field_area;
2298 GdkRectangle view_area;
2299 GList *form_field_mapping;
2300 GtkAllocation child_allocation;
2301 GtkRequisition child_requisition;
2302 GtkWidget *child = (GtkWidget *)l->data;
2304 field = g_object_get_data (G_OBJECT (child), "form-field");
2308 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
2310 ev_form_field_mapping_get_area (form_field_mapping, field, &field_area);
2312 doc_rect_to_view_rect (view, field->page, &field_area, &view_area);
2313 view_area.x -= view->scroll_x;
2314 view_area.y -= view->scroll_y;
2316 gtk_widget_size_request (child, &child_requisition);
2317 if (child_requisition.width != view_area.width ||
2318 child_requisition.height != view_area.height)
2319 gtk_widget_set_size_request (child, view_area.width, view_area.height);
2321 gtk_container_child_get (GTK_CONTAINER (widget),
2323 "x", &child_allocation.x,
2324 "y", &child_allocation.y,
2326 if (child_allocation.x != view_area.x ||
2327 child_allocation.y != view_area.y) {
2328 gtk_layout_move (GTK_LAYOUT (widget), child, view_area.x, view_area.y);
2331 g_list_free (children);
2335 ev_view_realize (GtkWidget *widget)
2337 EvView *view = EV_VIEW (widget);
2339 if (GTK_WIDGET_CLASS (ev_view_parent_class)->realize)
2340 (* GTK_WIDGET_CLASS (ev_view_parent_class)->realize) (widget);
2342 gdk_window_set_events (view->layout.bin_window,
2343 (gdk_window_get_events (view->layout.bin_window) |
2345 GDK_BUTTON_PRESS_MASK |
2346 GDK_BUTTON_RELEASE_MASK |
2348 GDK_KEY_PRESS_MASK |
2349 GDK_POINTER_MOTION_MASK |
2350 GDK_POINTER_MOTION_HINT_MASK |
2351 GDK_ENTER_NOTIFY_MASK |
2352 GDK_LEAVE_NOTIFY_MASK));
2354 if (view->presentation)
2355 gdk_window_set_background (view->layout.bin_window, &widget->style->black);
2357 gdk_window_set_background (view->layout.bin_window, &widget->style->mid [GTK_STATE_NORMAL]);
2361 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
2363 EvView *view = EV_VIEW (widget);
2366 state = event->state & gtk_accelerator_get_default_mod_mask ();
2368 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
2369 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
2371 if (event->direction == GDK_SCROLL_UP ||
2372 event->direction == GDK_SCROLL_LEFT) {
2373 if (ev_view_can_zoom_in (view)) {
2374 ev_view_zoom_in (view);
2377 if (ev_view_can_zoom_out (view)) {
2378 ev_view_zoom_out (view);
2385 view->jump_to_find_result = FALSE;
2386 /* Shift+Wheel scrolls the in the perpendicular direction */
2387 if (state & GDK_SHIFT_MASK) {
2388 if (event->direction == GDK_SCROLL_UP)
2389 event->direction = GDK_SCROLL_LEFT;
2390 if (event->direction == GDK_SCROLL_LEFT)
2391 event->direction = GDK_SCROLL_UP;
2392 if (event->direction == GDK_SCROLL_DOWN)
2393 event->direction = GDK_SCROLL_RIGHT;
2394 if (event->direction == GDK_SCROLL_RIGHT)
2395 event->direction = GDK_SCROLL_DOWN;
2397 event->state &= ~GDK_SHIFT_MASK;
2398 state &= ~GDK_SHIFT_MASK;
2401 if (state == 0 && view->presentation) {
2402 switch (event->direction) {
2403 case GDK_SCROLL_DOWN:
2404 case GDK_SCROLL_RIGHT:
2405 ev_view_next_page (view);
2408 case GDK_SCROLL_LEFT:
2409 ev_view_previous_page (view);
2419 static EvViewSelection *
2420 find_selection_for_page (EvView *view,
2425 for (list = view->selection_info.selections; list != NULL; list = list->next) {
2426 EvViewSelection *selection;
2428 selection = (EvViewSelection *) list->data;
2430 if (selection->page == page)
2438 draw_end_presentation_page (EvView *view,
2439 GdkRectangle *page_area)
2441 PangoLayout *layout;
2442 PangoFontDescription *font_desc;
2444 const gchar *text = _("End of presentation. Press Escape to exit.");
2446 if (view->presentation_state != EV_PRESENTATION_END)
2449 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), NULL);
2450 markup = g_strdup_printf ("<span foreground=\"white\">%s</span>", text);
2451 pango_layout_set_markup (layout, markup, -1);
2454 font_desc = pango_font_description_new ();
2455 pango_font_description_set_size (font_desc, 16 * PANGO_SCALE);
2456 pango_layout_set_font_description (layout, font_desc);
2458 gtk_paint_layout (GTK_WIDGET (view)->style,
2459 view->layout.bin_window,
2460 GTK_WIDGET_STATE (view),
2469 pango_font_description_free (font_desc);
2470 g_object_unref (layout);
2474 ev_view_expose_event (GtkWidget *widget,
2475 GdkEventExpose *event)
2477 EvView *view = EV_VIEW (widget);
2481 if (view->presentation) {
2482 switch (view->presentation_state) {
2483 case EV_PRESENTATION_END: {
2484 GdkRectangle area = {0};
2486 area.width = widget->allocation.width;
2487 area.height = widget->allocation.height;
2489 draw_end_presentation_page (view, &area);
2492 case EV_PRESENTATION_BLACK:
2493 case EV_PRESENTATION_WHITE:
2495 case EV_PRESENTATION_NORMAL:
2499 } else if (view->loading) {
2500 GdkRectangle area = {0};
2502 area.width = widget->allocation.width;
2503 area.height = widget->allocation.height;
2505 draw_loading_text (view,
2510 if (view->document == NULL)
2513 cr = gdk_cairo_create (view->layout.bin_window);
2515 for (i = view->start_page; i <= view->end_page; i++) {
2516 GdkRectangle page_area;
2518 gboolean page_ready = TRUE;
2520 if (!get_page_extents (view, i, &page_area, &border))
2523 page_area.x -= view->scroll_x;
2524 page_area.y -= view->scroll_y;
2526 draw_one_page (view, i, cr, &page_area, &border, &(event->area), &page_ready);
2528 if (page_ready && EV_IS_DOCUMENT_FIND (view->document) && view->highlight_find_results)
2529 highlight_find_results (view, i);
2534 if (GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event)
2535 (* GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) (widget, event);
2541 ev_view_do_popup_menu (EvView *view,
2548 image = ev_view_get_image_at_location (view, x, y);
2550 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, image);
2554 link = ev_view_get_link_at_location (view, x, y);
2556 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
2560 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, NULL);
2566 ev_view_popup_menu (GtkWidget *widget)
2570 gtk_widget_get_pointer (widget, &x, &y);
2571 return ev_view_do_popup_menu (EV_VIEW (widget), x, y);
2574 #if GTK_CHECK_VERSION (2, 11, 7)
2576 get_link_area (EvView *view,
2582 EvRectangle ev_rect;
2583 GList *link_mapping;
2585 gint x_offset = 0, y_offset = 0;
2587 x += view->scroll_x;
2588 y += view->scroll_y;
2590 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
2592 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
2593 ev_link_mapping_get_area (link_mapping, link, &ev_rect);
2595 doc_rect_to_view_rect (view, page, &ev_rect, area);
2596 area->y -= view->scroll_y ;
2600 ev_view_query_tooltip (GtkWidget *widget,
2603 gboolean keyboard_tip,
2604 GtkTooltip *tooltip)
2606 EvView *view = EV_VIEW (widget);
2610 link = ev_view_get_link_at_location (view, x, y);
2614 text = tip_from_link (view, link);
2615 if (text && g_utf8_validate (text, -1, NULL)) {
2616 GdkRectangle link_area;
2618 get_link_area (view, x, y, link, &link_area);
2619 gtk_tooltip_set_text (tooltip, text);
2620 gtk_tooltip_set_tip_area (tooltip, &link_area);
2626 #endif /* GTK_CHECK_VERSION (2, 11, 7) */
2629 start_selection_for_event (EvView *view,
2630 GdkEventButton *event)
2632 EvSelectionStyle style;
2634 clear_selection (view);
2636 view->selection_info.start.x = event->x + view->scroll_x;
2637 view->selection_info.start.y = event->y + view->scroll_y;
2639 switch (event->type) {
2640 case GDK_2BUTTON_PRESS:
2641 style = EV_SELECTION_STYLE_WORD;
2643 case GDK_3BUTTON_PRESS:
2644 style = EV_SELECTION_STYLE_LINE;
2647 style = EV_SELECTION_STYLE_GLYPH;
2651 view->selection_info.style = style;
2655 ev_view_button_press_event (GtkWidget *widget,
2656 GdkEventButton *event)
2658 EvView *view = EV_VIEW (widget);
2660 if (!view->document)
2663 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
2664 gtk_widget_grab_focus (widget);
2667 view->pressed_button = event->button;
2668 view->selection_info.in_drag = FALSE;
2670 switch (event->button) {
2673 if (view->scroll_info.autoscrolling == TRUE) {
2674 view->scroll_info.autoscrolling = FALSE;
2681 if (EV_IS_SELECTION (view->document) && view->selection_info.selections) {
2682 if (event->type == GDK_3BUTTON_PRESS) {
2683 start_selection_for_event (view, event);
2684 } else if (location_in_selected_text (view,
2685 event->x + view->scroll_x,
2686 event->y + view->scroll_y)) {
2687 view->selection_info.in_drag = TRUE;
2689 start_selection_for_event (view, event);
2692 gtk_widget_queue_draw (widget);
2693 } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) {
2694 ev_view_remove_all (view);
2695 ev_view_handle_form_field (view, field, event->x, event->y);
2696 } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) &&
2697 (image = ev_view_get_image_at_location (view, event->x, event->y))) {
2698 if (view->image_dnd_info.image)
2699 g_object_unref (view->image_dnd_info.image);
2700 view->image_dnd_info.image = g_object_ref (image);
2701 view->image_dnd_info.in_drag = TRUE;
2703 view->image_dnd_info.start.x = event->x + view->scroll_x;
2704 view->image_dnd_info.start.y = event->y + view->scroll_y;
2706 ev_view_remove_all (view);
2708 if (EV_IS_SELECTION (view->document))
2709 start_selection_for_event (view, event);
2714 /* use root coordinates as reference point because
2715 * scrolling changes window relative coordinates */
2716 if (view->scroll_info.autoscrolling == TRUE) {
2717 view->scroll_info.autoscrolling = FALSE;
2720 view->drag_info.start.x = event->x_root;
2721 view->drag_info.start.y = event->y_root;
2722 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
2723 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
2725 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
2729 if (!view->scroll_info.autoscrolling)
2730 view->scroll_info.start_y = event->y;
2731 return ev_view_do_popup_menu (view, event->x, event->y);
2738 ev_view_remove_all (EvView *view)
2740 GList *children, *child;
2742 children = gtk_container_get_children (GTK_CONTAINER (view));
2743 for (child = children; child && child->data; child = g_list_next (child)) {
2744 gtk_container_remove (GTK_CONTAINER (view),
2745 GTK_WIDGET (child->data));
2747 g_list_free (children);
2750 /*** Drag and Drop ***/
2752 ev_view_drag_data_get (GtkWidget *widget,
2753 GdkDragContext *context,
2754 GtkSelectionData *selection_data,
2758 EvView *view = EV_VIEW (widget);
2761 case TARGET_DND_TEXT:
2762 if (EV_IS_SELECTION (view->document) &&
2763 view->selection_info.selections) {
2766 text = get_selected_text (view);
2767 gtk_selection_data_set_text (selection_data,
2773 case TARGET_DND_IMAGE:
2774 if (view->image_dnd_info.image) {
2777 pixbuf = ev_image_get_pixbuf (view->image_dnd_info.image);
2778 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
2781 case TARGET_DND_URI:
2782 if (view->image_dnd_info.image) {
2783 const gchar *tmp_uri;
2786 tmp_uri = ev_image_save_tmp (view->image_dnd_info.image);
2788 uris = g_new0 (gchar *, 2);
2789 uris[0] = (gchar *)tmp_uri;
2791 gtk_selection_data_set_uris (selection_data, uris);
2793 /* g_free instead of g_strfreev since tmp_uri is const */
2800 ev_view_drag_motion (GtkWidget *widget,
2801 GdkDragContext *context,
2806 if (gtk_drag_get_source_widget (context) == widget)
2807 gdk_drag_status (context, 0, time);
2809 gdk_drag_status (context, context->suggested_action, time);
2815 ev_view_drag_data_received (GtkWidget *widget,
2816 GdkDragContext *context,
2819 GtkSelectionData *selection_data,
2825 GSList *uri_list = NULL;
2827 uris = gtk_selection_data_get_uris (selection_data);
2829 gtk_drag_finish (context, FALSE, FALSE, time);
2833 for (i = 0; uris[i]; i++) {
2834 uri_list = g_slist_prepend (uri_list, (gpointer) uris[i]);
2837 ev_application_open_uri_list (EV_APP, uri_list,
2838 gtk_widget_get_screen (widget),
2840 gtk_drag_finish (context, TRUE, FALSE, time);
2843 g_slist_free (uri_list);
2848 selection_update_idle_cb (EvView *view)
2850 compute_selections (view,
2851 view->selection_info.style,
2852 &view->selection_info.start,
2854 view->selection_update_id = 0;
2859 selection_scroll_timeout_cb (EvView *view)
2861 gint x, y, shift = 0;
2862 GtkWidget *widget = GTK_WIDGET (view);
2864 gtk_widget_get_pointer (widget, &x, &y);
2866 if (y > widget->allocation.height) {
2867 shift = (y - widget->allocation.height) / 2;
2873 gtk_adjustment_set_value (view->vadjustment,
2874 CLAMP (view->vadjustment->value + shift,
2875 view->vadjustment->lower,
2876 view->vadjustment->upper -
2877 view->vadjustment->page_size));
2879 if (x > widget->allocation.width) {
2880 shift = (x - widget->allocation.width) / 2;
2886 gtk_adjustment_set_value (view->hadjustment,
2887 CLAMP (view->hadjustment->value + shift,
2888 view->hadjustment->lower,
2889 view->hadjustment->upper -
2890 view->hadjustment->page_size));
2896 ev_view_drag_update_momentum (EvView *view)
2899 if (!view->drag_info.in_drag)
2902 for (i = DRAG_HISTORY - 1; i > 0; i--) {
2903 view->drag_info.buffer[i].x = view->drag_info.buffer[i-1].x;
2904 view->drag_info.buffer[i].y = view->drag_info.buffer[i-1].y;
2907 /* Momentum is a moving average of 10ms granularity over
2908 * the last 100ms with each 10ms stored in buffer.
2911 view->drag_info.momentum.x = (view->drag_info.buffer[DRAG_HISTORY - 1].x - view->drag_info.buffer[0].x);
2912 view->drag_info.momentum.y = (view->drag_info.buffer[DRAG_HISTORY - 1].y - view->drag_info.buffer[0].y);
2918 ev_view_scroll_drag_release (EvView *view)
2920 gdouble dhadj_value, dvadj_value;
2921 gdouble oldhadjustment, oldvadjustment;
2923 view->drag_info.momentum.x /= 1.2;
2924 view->drag_info.momentum.y /= 1.2; /* Alter these constants to change "friction" */
2926 dhadj_value = view->hadjustment->page_size *
2927 (gdouble)view->drag_info.momentum.x / GTK_WIDGET (view)->allocation.width;
2928 dvadj_value = view->vadjustment->page_size *
2929 (gdouble)view->drag_info.momentum.y / GTK_WIDGET (view)->allocation.height;
2931 oldhadjustment = gtk_adjustment_get_value (view->hadjustment);
2932 oldvadjustment = gtk_adjustment_get_value (view->vadjustment);
2934 if (((oldhadjustment + dhadj_value) > (view->hadjustment->upper - view->hadjustment->page_size)) ||
2935 ((oldhadjustment + dhadj_value) < 0))
2936 view->drag_info.momentum.x *= -0.5; /* 0.5 rather than 1 means the edges absorb some momentum */
2937 if (((oldvadjustment + dvadj_value) > (view->vadjustment->upper - view->vadjustment->page_size)) ||
2938 ((oldvadjustment + dvadj_value) < 0))
2939 view->drag_info.momentum.y *= -0.5;
2941 gtk_adjustment_set_value (view->hadjustment,
2942 MIN (oldhadjustment + dhadj_value,
2943 view->hadjustment->upper - view->hadjustment->page_size));
2944 gtk_adjustment_set_value (view->vadjustment,
2945 MIN (oldvadjustment + dvadj_value,
2946 view->vadjustment->upper - view->vadjustment->page_size));
2948 if (((view->drag_info.momentum.x < 1) && (view->drag_info.momentum.x > -1)) &&
2949 ((view->drag_info.momentum.y < 1) && (view->drag_info.momentum.y > -1)))
2956 ev_view_motion_notify_event (GtkWidget *widget,
2957 GdkEventMotion *event)
2959 EvView *view = EV_VIEW (widget);
2962 if (!view->document)
2966 if (event->is_hint || event->window != view->layout.bin_window) {
2967 gtk_widget_get_pointer (widget, &x, &y);
2973 if (view->scroll_info.autoscrolling) {
2974 view->scroll_info.last_y = y;
2977 if (view->selection_info.in_drag) {
2978 if (gtk_drag_check_threshold (widget,
2979 view->selection_info.start.x,
2980 view->selection_info.start.y,
2982 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
2984 gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT);
2986 gtk_drag_begin (widget, target_list,
2988 1, (GdkEvent *)event);
2990 view->selection_info.in_drag = FALSE;
2992 gtk_target_list_unref (target_list);
2996 } else if (view->image_dnd_info.in_drag) {
2997 if (gtk_drag_check_threshold (widget,
2998 view->selection_info.start.x,
2999 view->selection_info.start.y,
3001 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3003 gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI);
3004 gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE);
3006 gtk_drag_begin (widget, target_list,
3008 1, (GdkEvent *)event);
3010 view->image_dnd_info.in_drag = FALSE;
3012 gtk_target_list_unref (target_list);
3018 /* For the Evince 0.4.x release, we limit selection to un-rotated
3021 if (view->pressed_button == 1 && view->rotation == 0) {
3023 /* Schedule timeout to scroll during selection and additionally
3024 * scroll once to allow arbitrary speed. */
3025 if (!view->selection_scroll_id)
3026 view->selection_scroll_id = g_timeout_add (SCROLL_TIME, (GSourceFunc)selection_scroll_timeout_cb, view);
3028 selection_scroll_timeout_cb (view);
3030 view->selection_info.in_selection = TRUE;
3031 view->motion.x = x + view->scroll_x;
3032 view->motion.y = y + view->scroll_y;
3034 /* Queue an idle to handle the motion. We do this because
3035 * handling any selection events in the motion could be slower
3036 * than new motion events reach us. We always put it in the
3037 * idle to make sure we catch up and don't visibly lag the
3039 if (!view->selection_update_id)
3040 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
3043 } else if (view->pressed_button == 2) {
3044 if (!view->drag_info.in_drag) {
3048 start = gtk_drag_check_threshold (widget,
3049 view->drag_info.start.x,
3050 view->drag_info.start.y,
3053 view->drag_info.in_drag = start;
3054 view->drag_info.drag_timeout_id = g_timeout_add (10,
3055 (GSourceFunc)ev_view_drag_update_momentum, view);
3056 /* Set 100 to choose how long it takes to build up momentum */
3057 /* Clear out previous momentum info: */
3058 for (i = 0; i < DRAG_HISTORY; i++) {
3059 view->drag_info.buffer[i].x = event->x;
3060 view->drag_info.buffer[i].y = event->y;
3062 view->drag_info.momentum.x = 0;
3063 view->drag_info.momentum.y = 0;
3066 if (view->drag_info.in_drag) {
3068 gdouble dhadj_value, dvadj_value;
3070 view->drag_info.buffer[0].x = event->x;
3071 view->drag_info.buffer[0].y = event->y;
3073 dx = event->x_root - view->drag_info.start.x;
3074 dy = event->y_root - view->drag_info.start.y;
3076 dhadj_value = view->hadjustment->page_size *
3077 (gdouble)dx / widget->allocation.width;
3078 dvadj_value = view->vadjustment->page_size *
3079 (gdouble)dy / widget->allocation.height;
3081 /* clamp scrolling to visible area */
3082 gtk_adjustment_set_value (view->hadjustment,
3083 MIN(view->drag_info.hadj - dhadj_value,
3084 view->hadjustment->upper -
3085 view->hadjustment->page_size));
3086 gtk_adjustment_set_value (view->vadjustment,
3087 MIN(view->drag_info.vadj - dvadj_value,
3088 view->vadjustment->upper -
3089 view->vadjustment->page_size));
3093 } else if (view->pressed_button <= 0) {
3094 ev_view_handle_cursor_over_xy (view, x, y);
3102 ev_view_button_release_event (GtkWidget *widget,
3103 GdkEventButton *event)
3105 EvView *view = EV_VIEW (widget);
3106 EvLink *link = NULL;
3108 view->drag_info.in_drag = FALSE;
3109 view->image_dnd_info.in_drag = FALSE;
3111 view->drag_info.release_timeout_id = g_timeout_add (20,
3112 (GSourceFunc)ev_view_scroll_drag_release, view);
3114 if (view->pressed_button == 2) {
3115 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3118 if (view->document && view->pressed_button != 3) {
3119 link = ev_view_get_link_at_location (view, event->x, event->y);
3122 view->pressed_button = -1;
3124 if (view->selection_scroll_id) {
3125 g_source_remove (view->selection_scroll_id);
3126 view->selection_scroll_id = 0;
3128 if (view->selection_update_id) {
3129 g_source_remove (view->selection_update_id);
3130 view->selection_update_id = 0;
3133 if (!view->selection_info.in_selection &&
3134 view->selection_info.style != EV_SELECTION_STYLE_GLYPH) {
3135 compute_selections (view,
3136 view->selection_info.style,
3137 &(view->selection_info.start),
3138 &(view->selection_info.start));
3141 if (view->selection_info.selections) {
3142 ev_view_update_primary_selection (view);
3144 if (view->selection_info.in_drag) {
3145 clear_selection (view);
3146 gtk_widget_queue_draw (widget);
3149 view->selection_info.in_drag = FALSE;
3151 if (event->button == 2) {
3152 EvLinkAction *action;
3153 EvLinkActionType type;
3155 action = ev_link_get_action (link);
3159 type = ev_link_action_get_action_type (action);
3160 if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
3161 g_signal_emit (view,
3162 signals[SIGNAL_EXTERNAL_LINK],
3166 ev_view_handle_link (view, link);
3168 } else if (view->presentation) {
3169 switch (event->button) {
3171 ev_view_next_page (view);
3174 ev_view_previous_page (view);
3183 /* Cut and paste from gtkwindow.c */
3185 send_focus_change (GtkWidget *widget,
3188 GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE);
3190 g_object_ref (widget);
3193 GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
3195 GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
3197 fevent->focus_change.type = GDK_FOCUS_CHANGE;
3198 fevent->focus_change.window = g_object_ref (widget->window);
3199 fevent->focus_change.in = in;
3201 gtk_widget_event (widget, fevent);
3203 g_object_notify (G_OBJECT (widget), "has-focus");
3205 g_object_unref (widget);
3206 gdk_event_free (fevent);
3210 ev_view_goto_window_hide (EvView *view)
3212 /* send focus-in event */
3213 send_focus_change (view->goto_entry, FALSE);
3214 gtk_widget_hide (view->goto_window);
3215 gtk_entry_set_text (GTK_ENTRY (view->goto_entry), "");
3219 ev_view_goto_window_delete_event (GtkWidget *widget,
3223 ev_view_goto_window_hide (view);
3229 key_is_numeric (guint keyval)
3231 return ((keyval >= GDK_0 && keyval <= GDK_9) ||
3232 (keyval >= GDK_KP_0 && keyval <= GDK_KP_9));
3236 ev_view_goto_window_key_press_event (GtkWidget *widget,
3240 switch (event->keyval) {
3244 case GDK_ISO_Left_Tab:
3245 ev_view_goto_window_hide (view);
3254 if (!key_is_numeric (event->keyval))
3262 ev_view_goto_window_button_press_event (GtkWidget *widget,
3263 GdkEventButton *event,
3266 ev_view_goto_window_hide (view);
3272 ev_view_goto_entry_activate (GtkEntry *entry,
3278 text = gtk_entry_get_text (entry);
3279 page = atoi (text) - 1;
3281 ev_view_goto_window_hide (view);
3284 page < ev_page_cache_get_n_pages (view->page_cache))
3285 ev_page_cache_set_current_page (view->page_cache, page);
3289 ev_view_goto_window_create (EvView *view)
3291 GtkWidget *frame, *hbox, *toplevel, *label;
3293 toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view));
3295 if (view->goto_window) {
3296 if (GTK_WINDOW (toplevel)->group)
3297 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
3298 GTK_WINDOW (view->goto_window));
3299 else if (GTK_WINDOW (view->goto_window)->group)
3300 gtk_window_group_remove_window (GTK_WINDOW (view->goto_window)->group,
3301 GTK_WINDOW (view->goto_window));
3305 view->goto_window = gtk_window_new (GTK_WINDOW_POPUP);
3307 if (GTK_WINDOW (toplevel)->group)
3308 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
3309 GTK_WINDOW (view->goto_window));
3311 gtk_window_set_modal (GTK_WINDOW (view->goto_window), TRUE);
3313 g_signal_connect (view->goto_window, "delete_event",
3314 G_CALLBACK (ev_view_goto_window_delete_event),
3316 g_signal_connect (view->goto_window, "key_press_event",
3317 G_CALLBACK (ev_view_goto_window_key_press_event),
3319 g_signal_connect (view->goto_window, "button_press_event",
3320 G_CALLBACK (ev_view_goto_window_button_press_event),
3323 frame = gtk_frame_new (NULL);
3324 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
3325 gtk_container_add (GTK_CONTAINER (view->goto_window), frame);
3326 gtk_widget_show (frame);
3328 hbox = gtk_hbox_new (FALSE, 0);
3329 gtk_container_set_border_width (GTK_CONTAINER (hbox), 3);
3330 gtk_container_add (GTK_CONTAINER (frame), hbox);
3331 gtk_widget_show (hbox);
3333 label = gtk_label_new(_("Jump to page:"));
3334 gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 3);
3335 gtk_widget_show (label);
3336 gtk_widget_realize (label);
3338 view->goto_entry = gtk_entry_new ();
3339 g_signal_connect (view->goto_entry, "activate",
3340 G_CALLBACK (ev_view_goto_entry_activate),
3342 gtk_box_pack_start_defaults (GTK_BOX (hbox), view->goto_entry);
3343 gtk_widget_show (view->goto_entry);
3344 gtk_widget_realize (view->goto_entry);
3348 ev_view_goto_entry_grab_focus (EvView *view)
3350 GtkWidgetClass *entry_parent_class;
3352 entry_parent_class = g_type_class_peek_parent (GTK_ENTRY_GET_CLASS (view->goto_entry));
3353 (entry_parent_class->grab_focus) (view->goto_entry);
3355 send_focus_change (view->goto_entry, TRUE);
3359 ev_view_goto_window_send_key_event (EvView *view,
3362 GdkEventKey *new_event;
3365 /* Move goto window off screen */
3366 screen = gtk_widget_get_screen (GTK_WIDGET (view));
3367 gtk_window_move (GTK_WINDOW (view->goto_window),
3368 gdk_screen_get_width (screen) + 1,
3369 gdk_screen_get_height (screen) + 1);
3370 gtk_widget_show (view->goto_window);
3372 new_event = (GdkEventKey *) gdk_event_copy (event);
3373 g_object_unref (new_event->window);
3374 new_event->window = g_object_ref (view->goto_window->window);
3375 gtk_widget_realize (view->goto_window);
3377 gtk_widget_event (view->goto_window, (GdkEvent *)new_event);
3378 gdk_event_free ((GdkEvent *)new_event);
3379 gtk_widget_hide (view->goto_window);
3383 ev_view_key_press_event (GtkWidget *widget,
3386 EvView *view = EV_VIEW (widget);
3387 EvPresentationState current;
3389 if (!view->document)
3392 if (!view->presentation ||
3393 view->presentation_state == EV_PRESENTATION_END)
3394 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3397 current = view->presentation_state;
3399 switch (event->keyval) {
3402 view->presentation_state =
3403 (view->presentation_state == EV_PRESENTATION_BLACK) ?
3404 EV_PRESENTATION_NORMAL : EV_PRESENTATION_BLACK;
3408 view->presentation_state =
3409 (view->presentation_state == EV_PRESENTATION_WHITE) ?
3410 EV_PRESENTATION_NORMAL : EV_PRESENTATION_WHITE;
3413 if (view->presentation_state == EV_PRESENTATION_BLACK ||
3414 view->presentation_state == EV_PRESENTATION_WHITE) {
3415 view->presentation_state = EV_PRESENTATION_NORMAL;
3419 if (current == view->presentation_state) {
3420 if (ev_page_cache_get_n_pages (view->page_cache) > 1 &&
3421 key_is_numeric (event->keyval)) {
3424 ev_view_goto_window_create (view);
3425 ev_view_goto_window_send_key_event (view, (GdkEvent *)event);
3426 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
3427 gtk_window_move (GTK_WINDOW (view->goto_window), x, y);
3428 gtk_widget_show (view->goto_window);
3429 ev_view_goto_entry_grab_focus (view);
3434 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3437 switch (view->presentation_state) {
3438 case EV_PRESENTATION_NORMAL:
3439 case EV_PRESENTATION_BLACK:
3440 gdk_window_set_background (view->layout.bin_window,
3441 &widget->style->black);
3443 case EV_PRESENTATION_WHITE:
3444 gdk_window_set_background (view->layout.bin_window,
3445 &widget->style->white);
3448 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3451 gtk_widget_queue_draw (widget);
3456 ev_view_focus_in (GtkWidget *widget,
3457 GdkEventFocus *event)
3459 if (EV_VIEW (widget)->pixbuf_cache)
3460 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3461 gtk_widget_queue_draw (widget);
3467 ev_view_focus_out (GtkWidget *widget,
3468 GdkEventFocus *event)
3470 if (EV_VIEW (widget)->goto_window)
3471 ev_view_goto_window_hide (EV_VIEW (widget));
3473 if (EV_VIEW (widget)->pixbuf_cache)
3474 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3475 gtk_widget_queue_draw (widget);
3481 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3483 EvView *view = EV_VIEW (widget);
3485 if (view->cursor != EV_VIEW_CURSOR_NORMAL)
3486 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
3488 #if !GTK_CHECK_VERSION (2, 11, 7)
3489 if (view->link_tooltip) {
3490 view->hovered_link = NULL;
3491 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
3499 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3501 EvView *view = EV_VIEW (widget);
3503 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3509 ev_view_style_set (GtkWidget *widget,
3510 GtkStyle *old_style)
3512 if (EV_VIEW (widget)->pixbuf_cache)
3513 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3515 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
3521 ev_gdk_color_to_rgb (const GdkColor *color)
3524 result = (0xff0000 | (color->red & 0xff00));
3526 result |= ((color->green & 0xff00) | (color->blue >> 8));
3531 draw_rubberband (GtkWidget *widget, GdkWindow *window,
3532 const GdkRectangle *rect, guchar alpha)
3536 GdkColor *fill_color_gdk;
3539 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
3540 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
3542 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
3543 rect->width, rect->height);
3544 gdk_pixbuf_fill (pixbuf, fill_color);
3546 gdk_draw_pixbuf (window, NULL, pixbuf,
3548 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
3549 rect->width, rect->height,
3550 GDK_RGB_DITHER_NONE,
3553 g_object_unref (pixbuf);
3555 gc = gdk_gc_new (window);
3556 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
3557 gdk_draw_rectangle (window, gc, FALSE,
3558 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
3561 g_object_unref (gc);
3563 gdk_color_free (fill_color_gdk);
3568 highlight_find_results (EvView *view, int page)
3570 EvDocumentFind *find;
3573 find = EV_DOCUMENT_FIND (view->document);
3575 results = ev_document_find_get_n_results (find, page);
3577 for (i = 0; i < results; i++) {
3578 EvRectangle rectangle;
3579 GdkRectangle view_rectangle;
3582 if (i == view->find_result && page == view->current_page) {
3588 ev_document_find_get_result (find, page, i, &rectangle);
3589 doc_rect_to_view_rect (view, page, &rectangle, &view_rectangle);
3590 draw_rubberband (GTK_WIDGET (view), view->layout.bin_window,
3591 &view_rectangle, alpha);
3596 draw_loading_text (EvView *view,
3597 GdkRectangle *page_area,
3598 GdkRectangle *expose_area)
3603 /* Don't annoy users with loading messages during presentations.
3604 * FIXME: Temporary "workaround" for
3605 * http://bugzilla.gnome.org/show_bug.cgi?id=320352 */
3606 if (view->presentation)
3609 if (!view->loading_text) {
3610 const gchar *loading_text = _("Loading...");
3611 PangoLayout *layout;
3612 PangoFontDescription *font_desc;
3613 PangoRectangle logical_rect;
3617 ev_document_fc_mutex_lock ();
3619 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
3621 font_desc = pango_font_description_new ();
3623 /* We set the font to be 10 points, get the size, and scale appropriately */
3624 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
3625 pango_layout_set_font_description (layout, font_desc);
3626 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
3628 target_width = MAX (page_area->width / 2, 1);
3629 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
3630 pango_font_description_set_size (font_desc, (int)real_scale);
3631 pango_layout_set_font_description (layout, font_desc);
3632 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
3634 view->loading_text = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
3636 logical_rect.height);
3637 cr = cairo_create (view->loading_text);
3638 cairo_set_source_rgb (cr,
3642 pango_cairo_show_layout (cr, layout);
3645 pango_font_description_free (font_desc);
3646 g_object_unref (layout);
3648 ev_document_fc_mutex_unlock ();
3651 width = (page_area->width - cairo_image_surface_get_width (view->loading_text)) / 2;
3652 height = (page_area->height - cairo_image_surface_get_height (view->loading_text)) / 2;
3654 cr = gdk_cairo_create (view->layout.bin_window);
3655 cairo_translate (cr,
3656 page_area->x + width,
3657 page_area->y + height);
3658 cairo_set_source_surface (cr, view->loading_text, 0, 0);
3664 draw_one_page (EvView *view,
3667 GdkRectangle *page_area,
3669 GdkRectangle *expose_area,
3670 gboolean *page_ready)
3672 GdkRectangle overlap;
3673 GdkRectangle real_page_area;
3675 g_assert (view->document);
3677 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
3680 /* Render the document itself */
3681 real_page_area = *page_area;
3683 real_page_area.x += border->left;
3684 real_page_area.y += border->top;
3685 real_page_area.width -= (border->left + border->right);
3686 real_page_area.height -= (border->top + border->bottom);
3689 if (!view->presentation) {
3692 current_page = ev_page_cache_get_current_page (view->page_cache);
3693 ev_document_misc_paint_one_page (view->layout.bin_window,
3696 page == current_page);
3699 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
3701 gint page_width, page_height;
3702 cairo_surface_t *page_surface = NULL;
3703 gint selection_width, selection_height;
3704 cairo_surface_t *selection_surface = NULL;
3706 page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page);
3708 if (!page_surface) {
3709 draw_loading_text (view,
3712 *page_ready = FALSE;
3717 ev_page_cache_get_size (view->page_cache,
3718 page, view->rotation,
3722 page_width = cairo_image_surface_get_width (page_surface);
3723 page_height = cairo_image_surface_get_height (page_surface);
3726 cairo_translate (cr, overlap.x, overlap.y);
3728 if (width != page_width || height != page_height) {
3729 cairo_pattern_set_filter (cairo_get_source (cr),
3732 (gdouble)width / page_width,
3733 (gdouble)height / page_height);
3736 cairo_surface_set_device_offset (page_surface,
3737 overlap.x - real_page_area.x,
3738 overlap.y - real_page_area.y);
3739 cairo_set_source_surface (cr, page_surface, 0, 0);
3743 /* Get the selection pixbuf iff we have something to draw */
3744 if (find_selection_for_page (view, page) &&
3745 view->selection_mode == EV_VIEW_SELECTION_TEXT) {
3747 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
3753 if (!selection_surface) {
3757 selection_width = cairo_image_surface_get_width (selection_surface);
3758 selection_height = cairo_image_surface_get_height (selection_surface);
3761 cairo_translate (cr, overlap.x, overlap.y);
3763 if (width != selection_width || height != selection_height) {
3764 cairo_pattern_set_filter (cairo_get_source (cr),
3767 (gdouble)width / selection_width,
3768 (gdouble)height / selection_height);
3771 cairo_surface_set_device_offset (selection_surface,
3772 overlap.x - real_page_area.x,
3773 overlap.y - real_page_area.y);
3774 cairo_set_source_surface (cr, selection_surface, 0, 0);
3780 /*** GObject functions ***/
3783 ev_view_finalize (GObject *object)
3785 EvView *view = EV_VIEW (object);
3787 g_free (view->find_status);
3789 clear_selection (view);
3791 if (view->image_dnd_info.image)
3792 g_object_unref (view->image_dnd_info.image);
3793 view->image_dnd_info.image = NULL;
3795 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
3799 ev_view_destroy (GtkObject *object)
3801 EvView *view = EV_VIEW (object);
3803 if (view->document) {
3804 g_object_unref (view->document);
3805 view->document = NULL;
3808 if (view->pixbuf_cache) {
3809 g_object_unref (view->pixbuf_cache);
3810 view->pixbuf_cache = NULL;
3813 #if !GTK_CHECK_VERSION (2, 11, 7)
3814 if (view->link_tooltip) {
3815 gtk_widget_destroy (view->link_tooltip);
3816 view->link_tooltip = NULL;
3819 if (view->goto_window) {
3820 gtk_widget_destroy (view->goto_window);
3821 view->goto_window = NULL;
3822 view->goto_entry = NULL;
3825 if (view->selection_scroll_id) {
3826 g_source_remove (view->selection_scroll_id);
3827 view->selection_scroll_id = 0;
3830 if (view->selection_update_id) {
3831 g_source_remove (view->selection_update_id);
3832 view->selection_update_id = 0;
3835 if (view->loading_text) {
3836 cairo_surface_destroy (view->loading_text);
3837 view->loading_text = NULL;
3840 if (view->scroll_info.timeout_id) {
3841 g_source_remove (view->scroll_info.timeout_id);
3842 view->scroll_info.timeout_id = 0;
3845 if (view->drag_info.drag_timeout_id) {
3846 g_source_remove (view->drag_info.drag_timeout_id);
3847 view->drag_info.drag_timeout_id = 0;
3850 if (view->drag_info.release_timeout_id) {
3851 g_source_remove (view->drag_info.release_timeout_id);
3852 view->drag_info.release_timeout_id = 0;
3855 ev_view_presentation_transition_stop (view);
3857 ev_view_set_scroll_adjustments (GTK_LAYOUT (view), NULL, NULL);
3859 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
3863 ev_view_set_property (GObject *object,
3865 const GValue *value,
3868 EvView *view = EV_VIEW (object);
3871 case PROP_CONTINUOUS:
3872 ev_view_set_continuous (view, g_value_get_boolean (value));
3874 case PROP_DUAL_PAGE:
3875 ev_view_set_dual_page (view, g_value_get_boolean (value));
3877 case PROP_FULLSCREEN:
3878 ev_view_set_fullscreen (view, g_value_get_boolean (value));
3880 case PROP_PRESENTATION:
3881 ev_view_set_presentation (view, g_value_get_boolean (value));
3883 case PROP_SIZING_MODE:
3884 ev_view_set_sizing_mode (view, g_value_get_enum (value));
3887 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
3890 ev_view_set_rotation (view, g_value_get_int (value));
3893 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
3898 ev_view_get_accessible (GtkWidget *widget)
3900 static gboolean first_time = TRUE;
3903 AtkObjectFactory *factory;
3904 AtkRegistry *registry;
3906 GType derived_atk_type;
3909 * Figure out whether accessibility is enabled by looking at the
3910 * type of the accessible object which would be created for
3911 * the parent type of EvView.
3913 derived_type = g_type_parent (EV_TYPE_VIEW);
3915 registry = atk_get_default_registry ();
3916 factory = atk_registry_get_factory (registry,
3918 derived_atk_type = atk_object_factory_get_accessible_type (factory);
3919 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
3920 atk_registry_set_factory_type (registry,
3922 ev_view_accessible_factory_get_type ());
3925 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
3929 ev_view_get_property (GObject *object,
3934 EvView *view = EV_VIEW (object);
3937 case PROP_FIND_STATUS:
3938 g_value_set_string (value, view->find_status);
3940 case PROP_CONTINUOUS:
3941 g_value_set_boolean (value, view->continuous);
3943 case PROP_DUAL_PAGE:
3944 g_value_set_boolean (value, view->dual_page);
3946 case PROP_FULLSCREEN:
3947 g_value_set_boolean (value, view->fullscreen);
3949 case PROP_PRESENTATION:
3950 g_value_set_boolean (value, view->presentation);
3952 case PROP_SIZING_MODE:
3953 g_value_set_enum (value, view->sizing_mode);
3956 g_value_set_double (value, view->scale);
3959 g_value_set_int (value, view->rotation);
3961 case PROP_HAS_SELECTION:
3962 g_value_set_boolean (value,
3963 view->selection_info.selections != NULL);
3966 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
3971 ev_view_class_init (EvViewClass *class)
3973 GObjectClass *object_class = G_OBJECT_CLASS (class);
3974 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
3975 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
3976 GtkLayoutClass *layout_class = GTK_LAYOUT_CLASS (class);
3977 GtkBindingSet *binding_set;
3979 object_class->finalize = ev_view_finalize;
3980 object_class->set_property = ev_view_set_property;
3981 object_class->get_property = ev_view_get_property;
3983 widget_class->expose_event = ev_view_expose_event;
3984 widget_class->button_press_event = ev_view_button_press_event;
3985 widget_class->motion_notify_event = ev_view_motion_notify_event;
3986 widget_class->button_release_event = ev_view_button_release_event;
3987 widget_class->key_press_event = ev_view_key_press_event;
3988 widget_class->focus_in_event = ev_view_focus_in;
3989 widget_class->focus_out_event = ev_view_focus_out;
3990 widget_class->get_accessible = ev_view_get_accessible;
3991 widget_class->size_request = ev_view_size_request;
3992 widget_class->size_allocate = ev_view_size_allocate;
3993 widget_class->realize = ev_view_realize;
3994 widget_class->scroll_event = ev_view_scroll_event;
3995 widget_class->enter_notify_event = ev_view_enter_notify_event;
3996 widget_class->leave_notify_event = ev_view_leave_notify_event;
3997 widget_class->style_set = ev_view_style_set;
3998 widget_class->drag_data_get = ev_view_drag_data_get;
3999 widget_class->drag_motion = ev_view_drag_motion;
4000 widget_class->drag_data_received = ev_view_drag_data_received;
4001 widget_class->popup_menu = ev_view_popup_menu;
4002 #if GTK_CHECK_VERSION (2, 11, 7)
4003 widget_class->query_tooltip = ev_view_query_tooltip;
4006 gtk_object_class->destroy = ev_view_destroy;
4008 layout_class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
4010 class->binding_activated = ev_view_scroll;
4012 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
4013 G_TYPE_FROM_CLASS (object_class),
4014 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4015 G_STRUCT_OFFSET (EvViewClass, binding_activated),
4017 ev_marshal_VOID__ENUM_BOOLEAN,
4019 GTK_TYPE_SCROLL_TYPE,
4022 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
4023 G_TYPE_FROM_CLASS (object_class),
4024 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4025 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
4027 ev_marshal_VOID__VOID,
4028 G_TYPE_NONE, 0, G_TYPE_NONE);
4029 signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link",
4030 G_TYPE_FROM_CLASS (object_class),
4031 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4032 G_STRUCT_OFFSET (EvViewClass, handle_link),
4034 g_cclosure_marshal_VOID__OBJECT,
4037 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
4038 G_TYPE_FROM_CLASS (object_class),
4039 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4040 G_STRUCT_OFFSET (EvViewClass, external_link),
4042 g_cclosure_marshal_VOID__OBJECT,
4045 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
4046 G_TYPE_FROM_CLASS (object_class),
4047 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4048 G_STRUCT_OFFSET (EvViewClass, popup_menu),
4050 g_cclosure_marshal_VOID__OBJECT,
4055 g_object_class_install_property (object_class,
4057 g_param_spec_string ("find-status",
4058 "Find Status Message",
4059 "The find status message",
4063 g_object_class_install_property (object_class,
4065 g_param_spec_boolean ("continuous",
4067 "Continuous scrolling mode",
4069 G_PARAM_READWRITE));
4071 g_object_class_install_property (object_class,
4073 g_param_spec_boolean ("dual-page",
4075 "Two pages visible at once",
4077 G_PARAM_READWRITE));
4078 g_object_class_install_property (object_class,
4080 g_param_spec_boolean ("fullscreen",
4082 "Draw page in a fullscreen fashion",
4084 G_PARAM_READWRITE));
4085 g_object_class_install_property (object_class,
4087 g_param_spec_boolean ("presentation",
4089 "Draw page in presentation mode",
4091 G_PARAM_READWRITE));
4093 g_object_class_install_property (object_class,
4095 g_param_spec_enum ("sizing-mode",
4098 EV_TYPE_SIZING_MODE,
4099 EV_SIZING_FIT_WIDTH,
4100 G_PARAM_READWRITE));
4102 g_object_class_install_property (object_class,
4104 g_param_spec_double ("zoom",
4110 G_PARAM_READWRITE));
4111 g_object_class_install_property (object_class,
4113 g_param_spec_double ("rotation",
4119 G_PARAM_READWRITE));
4120 g_object_class_install_property (object_class,
4122 g_param_spec_boolean ("has-selection",
4124 "The view has selections",
4128 binding_set = gtk_binding_set_by_class (class);
4130 add_scroll_binding_keypad (binding_set, GDK_Left, 0, EV_SCROLL_STEP_BACKWARD, TRUE);
4131 add_scroll_binding_keypad (binding_set, GDK_Right, 0, EV_SCROLL_STEP_FORWARD, TRUE);
4132 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, TRUE);
4133 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, TRUE);
4134 add_scroll_binding_keypad (binding_set, GDK_Up, 0, EV_SCROLL_STEP_BACKWARD, FALSE);
4135 add_scroll_binding_keypad (binding_set, GDK_Down, 0, EV_SCROLL_STEP_FORWARD, FALSE);
4136 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, FALSE);
4137 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, FALSE);
4138 gtk_binding_entry_add_signal (binding_set, GDK_H, 0, "binding_activated", 2, EV_TYPE_SCROLL_TYPE,
4139 EV_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE);
4140 gtk_binding_entry_add_signal (binding_set, GDK_J, 0, "binding_activated", 2, EV_TYPE_SCROLL_TYPE,
4141 EV_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE);
4142 gtk_binding_entry_add_signal (binding_set, GDK_K, 0, "binding_activated", 2, EV_TYPE_SCROLL_TYPE,
4143 EV_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE);
4144 gtk_binding_entry_add_signal (binding_set, GDK_L, 0, "binding_activated", 2, EV_TYPE_SCROLL_TYPE,
4145 EV_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE);
4150 ev_view_init (EvView *view)
4152 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
4156 view->current_page = 0;
4157 view->pressed_button = -1;
4158 view->cursor = EV_VIEW_CURSOR_NORMAL;
4159 view->drag_info.in_drag = FALSE;
4160 view->scroll_info.autoscrolling = FALSE;
4161 view->selection_info.selections = NULL;
4162 view->selection_info.in_selection = FALSE;
4163 view->selection_info.in_drag = FALSE;
4164 view->selection_mode = EV_VIEW_SELECTION_TEXT;
4165 view->continuous = TRUE;
4166 view->dual_page = FALSE;
4167 view->presentation = FALSE;
4168 view->presentation_state = EV_PRESENTATION_NORMAL;
4169 view->fullscreen = FALSE;
4170 view->sizing_mode = EV_SIZING_FIT_WIDTH;
4171 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4172 view->jump_to_find_result = TRUE;
4173 view->highlight_find_results = FALSE;
4175 gtk_layout_set_hadjustment (GTK_LAYOUT (view), NULL);
4176 gtk_layout_set_vadjustment (GTK_LAYOUT (view), NULL);
4178 gtk_drag_dest_set (GTK_WIDGET (view),
4179 GTK_DEST_DEFAULT_ALL,
4181 G_N_ELEMENTS (view_drop_targets),
4188 find_changed_cb (EvDocument *document, int page, EvView *view)
4193 percent = ev_document_find_get_progress
4194 (EV_DOCUMENT_FIND (view->document));
4195 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4197 if (view->jump_to_find_result == TRUE) {
4198 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
4199 jump_to_find_result (view);
4201 update_find_status_message (view, percent * n_pages >= n_pages - 1 );
4202 if (view->current_page == page)
4203 gtk_widget_queue_draw (GTK_WIDGET (view));
4207 job_finished_cb (EvPixbufCache *pixbuf_cache,
4212 gdk_window_invalidate_region (view->layout.bin_window,
4215 gtk_widget_queue_draw (GTK_WIDGET (view));
4220 page_changed_cb (EvPageCache *page_cache,
4224 if (view->current_page != new_page) {
4227 view->current_page = new_page;
4228 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4230 if (view->presentation)
4231 ev_view_presentation_transition_start (view);
4233 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4234 ev_view_handle_cursor_over_xy (view, x, y);
4236 gtk_widget_queue_resize (GTK_WIDGET (view));
4238 gtk_widget_queue_draw (GTK_WIDGET (view));
4241 if (EV_IS_DOCUMENT_FIND (view->document)) {
4242 view->find_result = 0;
4243 update_find_status_message (view, TRUE);
4248 on_adjustment_value_changed (GtkAdjustment *adjustment,
4253 GList *children, *l;
4255 if (! GTK_WIDGET_REALIZED (view))
4258 if (view->hadjustment) {
4259 dx = view->scroll_x - (int) view->hadjustment->value;
4260 view->scroll_x = (int) view->hadjustment->value;
4265 if (view->vadjustment) {
4266 dy = view->scroll_y - (int) view->vadjustment->value;
4267 view->scroll_y = (int) view->vadjustment->value;
4272 children = gtk_container_get_children (GTK_CONTAINER (view));
4273 for (l = children; l && l->data; l = g_list_next (l)) {
4274 gint child_x, child_y;
4275 GtkWidget *child = (GtkWidget *)l->data;
4277 gtk_container_child_get (GTK_CONTAINER (view),
4282 gtk_layout_move (GTK_LAYOUT (view), child, child_x + dx, child_y + dy);
4284 g_list_free (children);
4286 if (view->pending_resize)
4287 gtk_widget_queue_draw (GTK_WIDGET (view));
4289 gdk_window_scroll (view->layout.bin_window, dx, dy);
4291 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4292 ev_view_handle_cursor_over_xy (view, x, y);
4295 view_update_range_and_current_page (view);
4303 view = g_object_new (EV_TYPE_VIEW, NULL);
4309 setup_caches (EvView *view)
4311 view->page_cache = ev_page_cache_get (view->document);
4312 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
4313 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
4314 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
4315 page_changed_cb (view->page_cache,
4316 ev_page_cache_get_current_page (view->page_cache),
4321 clear_caches (EvView *view)
4323 if (view->pixbuf_cache) {
4324 g_object_unref (view->pixbuf_cache);
4325 view->pixbuf_cache = NULL;
4328 if (view->page_cache) {
4329 view->page_cache = NULL;
4334 ev_view_set_loading (EvView *view,
4337 view->loading = loading;
4338 gtk_widget_queue_draw (GTK_WIDGET (view));
4341 static gboolean ev_view_autoscroll_cb (EvView *view)
4343 gdouble speed, value;
4345 /* If the user stops autoscrolling, autoscrolling will be
4346 * set to false but the timeout will continue; stop the timeout: */
4347 if (!view->scroll_info.autoscrolling) {
4348 view->scroll_info.timeout_id = 0;
4352 if (view->scroll_info.last_y > view->scroll_info.start_y &&
4353 (view->scroll_info.last_y < view->scroll_info.start_y))
4356 /* Replace 100 with your speed of choice: The lower the faster.
4357 * Replace 3 with another speed of choice: The higher, the faster it accelerated
4358 * based on the distance of the starting point from the mouse
4359 * (All also effected by the timeout interval of this callback) */
4361 if (view->scroll_info.start_y > view->scroll_info.last_y)
4362 speed = -pow ((((gdouble)view->scroll_info.start_y - view->scroll_info.last_y) / 100), 3);
4364 speed = pow ((((gdouble)view->scroll_info.last_y - view->scroll_info.start_y) / 100), 3);
4366 value = gtk_adjustment_get_value (view->vadjustment);
4367 value = CLAMP (value + speed, 0, view->vadjustment->upper - view->vadjustment->page_size);
4368 gtk_adjustment_set_value (view->vadjustment, value);
4374 void ev_view_autoscroll(EvView *view)
4376 view->scroll_info.autoscrolling = TRUE;
4377 view->scroll_info.timeout_id = g_timeout_add (20, (GSourceFunc)(ev_view_autoscroll_cb), view);
4381 ev_view_set_document (EvView *view,
4382 EvDocument *document)
4384 g_return_if_fail (EV_IS_VIEW (view));
4386 view->loading = FALSE;
4388 if (document != view->document) {
4389 clear_caches (view);
4391 if (view->document) {
4392 g_signal_handlers_disconnect_by_func (view->document,
4395 g_object_unref (view->document);
4396 view->page_cache = NULL;
4400 view->document = document;
4401 view->find_result = 0;
4403 if (view->document) {
4404 g_object_ref (view->document);
4405 if (EV_IS_DOCUMENT_FIND (view->document)) {
4406 g_signal_connect (view->document,
4408 G_CALLBACK (find_changed_cb),
4412 setup_caches (view);
4415 gtk_widget_queue_resize (GTK_WIDGET (view));
4419 /*** Zoom and sizing mode ***/
4421 #define EPSILON 0.0000001
4423 ev_view_set_zoom (EvView *view,
4430 scale = view->scale * factor;
4434 scale = CLAMP (scale,
4435 view->sizing_mode == EV_SIZING_FREE ? view->min_scale : 0,
4438 if (ABS (view->scale - scale) < EPSILON)
4441 if (view->loading_text) {
4442 cairo_surface_destroy (view->loading_text);
4443 view->loading_text = NULL;
4446 view->scale = scale;
4447 view->pending_resize = TRUE;
4449 gtk_widget_queue_resize (GTK_WIDGET (view));
4451 g_object_notify (G_OBJECT (view), "zoom");
4455 ev_view_get_zoom (EvView *view)
4461 ev_view_set_screen_dpi (EvView *view,
4464 g_return_if_fail (EV_IS_VIEW (view));
4465 g_return_if_fail (dpi > 0);
4468 view->min_scale = MIN_SCALE * dpi / 72.0;
4469 view->max_scale = MAX_SCALE * dpi / 72.0;
4473 ev_view_get_continuous (EvView *view)
4475 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4477 return view->continuous;
4481 ev_view_set_continuous (EvView *view,
4482 gboolean continuous)
4484 g_return_if_fail (EV_IS_VIEW (view));
4486 continuous = continuous != FALSE;
4488 if (view->continuous != continuous) {
4489 view->continuous = continuous;
4490 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4491 gtk_widget_queue_resize (GTK_WIDGET (view));
4494 g_object_notify (G_OBJECT (view), "continuous");
4498 ev_view_get_dual_page (EvView *view)
4500 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4502 return view->dual_page;
4506 ev_view_set_dual_page (EvView *view,
4509 g_return_if_fail (EV_IS_VIEW (view));
4511 dual_page = dual_page != FALSE;
4513 if (view->dual_page == dual_page)
4516 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4517 view->dual_page = dual_page;
4518 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
4519 * preload_cache_size to be 2 if dual_page is set.
4521 gtk_widget_queue_resize (GTK_WIDGET (view));
4523 g_object_notify (G_OBJECT (view), "dual-page");
4527 ev_view_set_fullscreen (EvView *view,
4528 gboolean fullscreen)
4530 g_return_if_fail (EV_IS_VIEW (view));
4532 fullscreen = fullscreen != FALSE;
4534 if (view->fullscreen == fullscreen)
4537 view->fullscreen = fullscreen;
4538 gtk_widget_queue_resize (GTK_WIDGET (view));
4540 g_object_notify (G_OBJECT (view), "fullscreen");
4544 ev_view_get_fullscreen (EvView *view)
4546 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4548 return view->fullscreen;
4552 ev_view_set_presentation (EvView *view,
4553 gboolean presentation)
4555 g_return_if_fail (EV_IS_VIEW (view));
4557 presentation = presentation != FALSE;
4559 if (view->presentation == presentation)
4563 view->presentation_state = EV_PRESENTATION_NORMAL;
4565 view->presentation = presentation;
4566 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4569 view->sizing_mode_saved = view->sizing_mode;
4570 view->scale_saved = view->scale;
4571 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
4573 ev_view_set_sizing_mode (view, view->sizing_mode_saved);
4574 ev_view_set_zoom (view, view->scale_saved, FALSE);
4577 gtk_widget_queue_resize (GTK_WIDGET (view));
4580 ev_view_presentation_transition_start (view);
4582 ev_view_presentation_transition_stop (view);
4584 if (GTK_WIDGET_REALIZED (view)) {
4585 if (view->presentation)
4586 gdk_window_set_background (view->layout.bin_window,
4587 >K_WIDGET (view)->style->black);
4589 gdk_window_set_background (view->layout.bin_window,
4590 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
4593 g_object_notify (G_OBJECT (view), "presentation");
4597 ev_view_get_presentation (EvView *view)
4599 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4601 return view->presentation;
4605 transition_next_page (EvView *view)
4607 ev_view_next_page (view);
4613 ev_view_presentation_transition_stop (EvView *view)
4615 if (view->trans_timeout_id > 0)
4616 g_source_remove (view->trans_timeout_id);
4617 view->trans_timeout_id = 0;
4621 ev_view_presentation_transition_start (EvView *view)
4625 if (!EV_IS_DOCUMENT_TRANSITION (view->document))
4628 ev_view_presentation_transition_stop (view);
4630 duration = ev_document_transition_get_page_duration (EV_DOCUMENT_TRANSITION (view->document),
4631 view->current_page);
4633 #if GLIB_CHECK_VERSION (2, 13, 0)
4634 view->trans_timeout_id =
4635 g_timeout_add_seconds (duration,
4636 (GSourceFunc) transition_next_page,
4639 view->trans_timeout_id =
4640 g_timeout_add (duration * 1000,
4641 (GSourceFunc) transition_next_page,
4648 ev_view_set_sizing_mode (EvView *view,
4649 EvSizingMode sizing_mode)
4651 g_return_if_fail (EV_IS_VIEW (view));
4653 if (view->sizing_mode == sizing_mode)
4656 view->sizing_mode = sizing_mode;
4657 gtk_widget_queue_resize (GTK_WIDGET (view));
4659 g_object_notify (G_OBJECT (view), "sizing-mode");
4663 ev_view_get_sizing_mode (EvView *view)
4665 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
4667 return view->sizing_mode;
4671 ev_view_can_zoom_in (EvView *view)
4673 return view->scale * ZOOM_IN_FACTOR <= view->max_scale;
4677 ev_view_can_zoom_out (EvView *view)
4679 return view->scale * ZOOM_OUT_FACTOR >= view->min_scale;
4683 ev_view_zoom_in (EvView *view)
4685 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
4687 if (view->presentation)
4690 view->pending_scroll = SCROLL_TO_CENTER;
4691 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
4695 ev_view_zoom_out (EvView *view)
4697 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
4699 if (view->presentation)
4702 view->pending_scroll = SCROLL_TO_CENTER;
4703 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
4707 ev_view_rotate_right (EvView *view)
4709 int rotation = view->rotation + 90;
4711 if (rotation >= 360) {
4715 ev_view_set_rotation (view, rotation);
4719 ev_view_rotate_left (EvView *view)
4721 int rotation = view->rotation - 90;
4727 ev_view_set_rotation (view, rotation);
4731 ev_view_set_rotation (EvView *view, int rotation)
4733 view->rotation = rotation;
4735 if (view->pixbuf_cache) {
4736 ev_pixbuf_cache_clear (view->pixbuf_cache);
4737 gtk_widget_queue_resize (GTK_WIDGET (view));
4741 clear_selection (view);
4743 g_object_notify (G_OBJECT (view), "rotation");
4747 ev_view_get_rotation (EvView *view)
4749 return view->rotation;
4753 zoom_for_size_fit_width (int doc_width,
4761 scale = (double)target_width / doc_width;
4763 if (doc_height * scale > target_height)
4764 scale = (double) (target_width - vsb_width) / doc_width;
4770 zoom_for_size_fit_height (int doc_width,
4778 scale = (double)target_height / doc_height;
4780 if (doc_width * scale > target_width)
4781 scale = (double) (target_height - vsb_height) / doc_height;
4787 zoom_for_size_best_fit (int doc_width,
4797 w_scale = (double)target_width / doc_width;
4798 h_scale = (double)target_height / doc_height;
4800 if (doc_height * w_scale > target_height)
4801 w_scale = (double) (target_width - vsb_width) / doc_width;
4802 if (doc_width * h_scale > target_width)
4803 h_scale = (double) (target_height - hsb_width) / doc_height;
4805 return MIN (w_scale, h_scale);
4810 ev_view_zoom_for_size_presentation (EvView *view,
4814 int doc_width, doc_height;
4817 ev_page_cache_get_size (view->page_cache,
4823 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
4824 ev_view_set_zoom (view, scale, FALSE);
4828 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
4834 int doc_width, doc_height;
4838 ev_page_cache_get_max_width (view->page_cache,
4842 ev_page_cache_get_max_height (view->page_cache,
4846 compute_border (view, doc_width, doc_height, &border);
4848 doc_width = doc_width * 2;
4849 width -= (2 * (border.left + border.right) + 3 * view->spacing);
4850 height -= (border.top + border.bottom + 2 * view->spacing - 1);
4852 /* FIXME: We really need to calculate the overall height here, not the
4853 * page height. We assume there's always a vertical scrollbar for
4854 * now. We need to fix this. */
4855 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
4856 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
4857 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4858 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
4860 g_assert_not_reached ();
4862 ev_view_set_zoom (view, scale, FALSE);
4866 ev_view_zoom_for_size_continuous (EvView *view,
4872 int doc_width, doc_height;
4876 ev_page_cache_get_max_width (view->page_cache,
4880 ev_page_cache_get_max_height (view->page_cache,
4884 compute_border (view, doc_width, doc_height, &border);
4886 width -= (border.left + border.right + 2 * view->spacing);
4887 height -= (border.top + border.bottom + 2 * view->spacing - 1);
4889 /* FIXME: We really need to calculate the overall height here, not the
4890 * page height. We assume there's always a vertical scrollbar for
4891 * now. We need to fix this. */
4892 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
4893 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
4894 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4895 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
4897 g_assert_not_reached ();
4899 ev_view_set_zoom (view, scale, FALSE);
4903 ev_view_zoom_for_size_dual_page (EvView *view,
4910 gint doc_width, doc_height;
4914 other_page = view->current_page ^ 1;
4916 /* Find the largest of the two. */
4917 ev_page_cache_get_size (view->page_cache,
4921 &doc_width, &doc_height);
4923 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
4924 gint width_2, height_2;
4925 ev_page_cache_get_size (view->page_cache,
4929 &width_2, &height_2);
4930 if (width_2 > doc_width)
4931 doc_width = width_2;
4932 if (height_2 > doc_height)
4933 doc_height = height_2;
4935 compute_border (view, doc_width, doc_height, &border);
4937 doc_width = doc_width * 2;
4938 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
4939 height -= (border.top + border.bottom + 2 * view->spacing);
4941 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
4942 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
4943 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4944 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
4946 g_assert_not_reached ();
4948 ev_view_set_zoom (view, scale, FALSE);
4952 ev_view_zoom_for_size_single_page (EvView *view,
4958 int doc_width, doc_height;
4962 ev_page_cache_get_size (view->page_cache,
4968 /* Get an approximate border */
4969 compute_border (view, width, height, &border);
4971 width -= (border.left + border.right + 2 * view->spacing);
4972 height -= (border.top + border.bottom + 2 * view->spacing);
4974 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
4975 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
4976 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4977 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
4979 g_assert_not_reached ();
4981 ev_view_set_zoom (view, scale, FALSE);
4985 ev_view_set_zoom_for_size (EvView *view,
4991 g_return_if_fail (EV_IS_VIEW (view));
4992 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
4993 view->sizing_mode == EV_SIZING_BEST_FIT);
4994 g_return_if_fail (width >= 0);
4995 g_return_if_fail (height >= 0);
4997 if (view->document == NULL)
5000 if (view->presentation)
5001 ev_view_zoom_for_size_presentation (view, width, height);
5002 else if (view->continuous && view->dual_page)
5003 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
5004 else if (view->continuous)
5005 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
5006 else if (view->dual_page)
5007 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
5009 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
5014 update_find_status_message (EvView *view, gboolean this_page)
5021 results = ev_document_find_get_n_results
5022 (EV_DOCUMENT_FIND (view->document),
5023 view->current_page);
5024 /* TRANS: Sometimes this could be better translated as
5025 "%d hit(s) on this page". Therefore this string
5026 contains plural cases. */
5027 message = g_strdup_printf (ngettext ("%d found on this page",
5028 "%d found on this page",
5034 percent = ev_document_find_get_progress
5035 (EV_DOCUMENT_FIND (view->document));
5036 message = g_strdup_printf (_("%3d%% remaining to search"),
5037 (int) ((1.0 - percent) * 100));
5040 ev_view_set_find_status (view, message);
5045 ev_view_get_find_status (EvView *view)
5047 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
5049 return view->find_status;
5053 ev_view_set_find_status (EvView *view, const char *message)
5055 g_return_if_fail (EV_IS_VIEW (view));
5057 g_free (view->find_status);
5058 view->find_status = g_strdup (message);
5059 g_object_notify (G_OBJECT (view), "find-status");
5063 jump_to_find_result (EvView *view)
5065 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
5067 GdkRectangle view_rect;
5069 int page = view->current_page;
5071 n_results = ev_document_find_get_n_results (find, page);
5073 if (n_results > 0 && view->find_result < n_results) {
5074 ev_document_find_get_result
5075 (find, page, view->find_result, &rect);
5077 doc_rect_to_view_rect (view, page, &rect, &view_rect);
5078 ensure_rectangle_is_visible (view, &view_rect);
5084 * @view: #EvView instance
5085 * @direction: Direction to look
5086 * @shift: Shift from current page
5088 * Jumps to the first page that has occurences of searched word.
5089 * Uses a direction where to look and a shift from current page.
5093 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
5097 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5099 for (i = 0; i < n_pages; i++) {
5103 if (direction == EV_VIEW_FIND_NEXT)
5104 page = view->current_page + i;
5106 page = view->current_page - i;
5109 if (page >= n_pages) {
5110 page = page - n_pages;
5113 page = page + n_pages;
5115 has_results = ev_document_find_page_has_results
5116 (EV_DOCUMENT_FIND (view->document), page);
5117 if (has_results == -1) {
5119 } else if (has_results == 1) {
5120 ev_page_cache_set_current_page (view->page_cache, page);
5127 ev_view_can_find_next (EvView *view)
5129 if (EV_IS_DOCUMENT_FIND (view->document)) {
5130 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
5133 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5134 for (i = 0; i < n_pages; i++) {
5135 if (ev_document_find_get_n_results (find, i) > 0) {
5145 ev_view_find_next (EvView *view)
5147 int n_results, n_pages;
5148 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
5150 n_results = ev_document_find_get_n_results (find, view->current_page);
5152 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5154 view->find_result++;
5156 if (view->find_result >= n_results) {
5158 view->find_result = 0;
5159 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
5160 jump_to_find_result (view);
5162 jump_to_find_result (view);
5163 gtk_widget_queue_draw (GTK_WIDGET (view));
5168 ev_view_can_find_previous (EvView *view)
5170 if (EV_IS_DOCUMENT_FIND (view->document)) {
5171 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
5174 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5175 for (i = n_pages - 1; i >= 0; i--) {
5176 if (ev_document_find_get_n_results (find, i) > 0) {
5185 ev_view_find_previous (EvView *view)
5187 int n_results, n_pages;
5188 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
5189 EvPageCache *page_cache;
5191 page_cache = ev_page_cache_get (view->document);
5193 n_results = ev_document_find_get_n_results (find, view->current_page);
5195 n_pages = ev_page_cache_get_n_pages (page_cache);
5197 view->find_result--;
5199 if (view->find_result < 0) {
5201 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
5202 view->find_result = ev_document_find_get_n_results (find, view->current_page) - 1;
5203 jump_to_find_result (view);
5205 jump_to_find_result (view);
5206 gtk_widget_queue_draw (GTK_WIDGET (view));
5210 void ev_view_search_changed (EvView *view)
5212 /* search string has changed, focus on new search result */
5213 view->jump_to_find_result = TRUE;
5216 void ev_view_set_highlight_search (EvView *view, gboolean value)
5218 view->highlight_find_results = value;
5219 gtk_widget_queue_draw (GTK_WIDGET (view));
5222 /*** Selections ***/
5224 /* compute_new_selection_rect/text calculates the area currently selected by
5225 * view_rect. each handles a different mode;
5228 compute_new_selection_rect (EvView *view,
5232 GdkRectangle view_rect;
5236 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
5238 view_rect.x = MIN (start->x, stop->x);
5239 view_rect.y = MIN (start->y, stop->y);
5240 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
5241 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
5243 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5245 for (i = 0; i < n_pages; i++) {
5246 GdkRectangle page_area;
5249 if (get_page_extents (view, i, &page_area, &border)) {
5250 GdkRectangle overlap;
5252 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
5253 EvViewSelection *selection;
5255 selection = g_new0 (EvViewSelection, 1);
5256 selection->page = i;
5257 view_rect_to_doc_rect (view, &overlap, &page_area,
5258 &(selection->rect));
5260 list = g_list_append (list, selection);
5269 gdk_rectangle_point_in (GdkRectangle *rectangle,
5272 return rectangle->x <= point->x &&
5273 rectangle->y <= point->y &&
5274 point->x < rectangle->x + rectangle->width &&
5275 point->y < rectangle->y + rectangle->height;
5279 compute_new_selection_text (EvView *view,
5280 EvSelectionStyle style,
5284 int n_pages, i, first, last;
5286 EvViewSelection *selection;
5288 int start_page, end_page;
5290 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
5292 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5294 /* First figure out the range of pages the selection
5298 if (view->continuous) {
5301 } else if (view->dual_page) {
5302 start_page = view->start_page;
5303 end_page = view->end_page + 1;
5305 start_page = view->current_page;
5306 end_page = view->current_page + 1;
5309 for (i = start_page; i < end_page; i++) {
5310 GdkRectangle page_area;
5313 get_page_extents (view, i, &page_area, &border);
5314 if (gdk_rectangle_point_in (&page_area, start) ||
5315 gdk_rectangle_point_in (&page_area, stop)) {
5316 if (first == n_pages)
5323 /* Now create a list of EvViewSelection's for the affected
5324 * pages. This could be an empty list, a list of just one
5325 * page or a number of pages.*/
5326 for (i = first; i < last + 1; i++) {
5327 GdkRectangle page_area;
5331 ev_page_cache_get_size (view->page_cache, i,
5333 1.0, &width, &height);
5335 selection = g_new0 (EvViewSelection, 1);
5336 selection->page = i;
5337 selection->style = style;
5338 selection->rect.x1 = selection->rect.y1 = 0;
5339 selection->rect.x2 = width;
5340 selection->rect.y2 = height;
5342 get_page_extents (view, i, &page_area, &border);
5344 if (gdk_rectangle_point_in (&page_area, start))
5350 view_point_to_doc_point (view, point, &page_area,
5351 &selection->rect.x1,
5352 &selection->rect.y1);
5354 /* If the selection is contained within just one page,
5355 * make sure we don't write 'start' into both points
5356 * in selection->rect. */
5361 view_point_to_doc_point (view, point, &page_area,
5362 &selection->rect.x2,
5363 &selection->rect.y2);
5365 list = g_list_append (list, selection);
5371 /* This function takes the newly calculated list, and figures out which regions
5372 * have changed. It then queues a redraw approporiately.
5375 merge_selection_region (EvView *view,
5379 GList *new_list_ptr, *old_list_ptr;
5381 /* Update the selection */
5382 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
5383 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5384 view->selection_info.selections = new_list;
5385 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
5386 g_object_notify (G_OBJECT (view), "has-selection");
5388 new_list_ptr = new_list;
5389 old_list_ptr = old_list;
5391 while (new_list_ptr || old_list_ptr) {
5392 EvViewSelection *old_sel, *new_sel;
5394 GdkRegion *region = NULL;
5396 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
5397 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
5399 /* Assume that the lists are in order, and we run through them
5400 * comparing them, one page at a time. We come out with the
5401 * first page we see. */
5402 if (new_sel && old_sel) {
5403 if (new_sel->page < old_sel->page) {
5404 new_list_ptr = new_list_ptr->next;
5406 } else if (new_sel->page > old_sel->page) {
5407 old_list_ptr = old_list_ptr->next;
5410 new_list_ptr = new_list_ptr->next;
5411 old_list_ptr = old_list_ptr->next;
5413 } else if (new_sel) {
5414 new_list_ptr = new_list_ptr->next;
5415 } else if (old_sel) {
5416 old_list_ptr = old_list_ptr->next;
5419 g_assert (new_sel || old_sel);
5421 /* is the page we're looking at on the screen?*/
5422 cur_page = new_sel ? new_sel->page : old_sel->page;
5423 if (cur_page < view->start_page || cur_page > view->end_page)
5426 /* seed the cache with a new page. We are going to need the new
5429 GdkRegion *tmp_region = NULL;
5431 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
5437 new_sel->covered_region = gdk_region_copy (tmp_region);
5441 /* Now we figure out what needs redrawing */
5442 if (old_sel && new_sel) {
5443 if (old_sel->covered_region && new_sel->covered_region) {
5444 /* We only want to redraw the areas that have
5445 * changed, so we xor the old and new regions
5446 * and redraw if it's different */
5447 region = gdk_region_copy (old_sel->covered_region);
5448 gdk_region_xor (region, new_sel->covered_region);
5449 if (gdk_region_empty (region)) {
5450 gdk_region_destroy (region);
5453 } else if (old_sel->covered_region) {
5454 region = gdk_region_copy (old_sel->covered_region);
5455 } else if (new_sel->covered_region) {
5456 region = gdk_region_copy (new_sel->covered_region);
5458 } else if (old_sel && !new_sel) {
5459 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
5460 region = gdk_region_copy (old_sel->covered_region);
5462 } else if (!old_sel && new_sel) {
5463 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
5464 region = gdk_region_copy (new_sel->covered_region);
5467 g_assert_not_reached ();
5470 /* Redraw the damaged region! */
5472 GdkRectangle page_area;
5475 /* I don't know why but the region is smaller
5476 * than expected. This hack fixes it, I guess
5477 * 10 pixels more won't hurt
5479 gdk_region_shrink (region, -5, -5);
5481 get_page_extents (view, cur_page, &page_area, &border);
5482 gdk_region_offset (region,
5483 page_area.x + border.left - view->scroll_x,
5484 page_area.y + border.top - view->scroll_y);
5485 gdk_window_invalidate_region (view->layout.bin_window, region, TRUE);
5486 gdk_region_destroy (region);
5490 /* Free the old list, now that we're done with it. */
5491 g_list_foreach (old_list, (GFunc) selection_free, NULL);
5495 compute_selections (EvView *view,
5496 EvSelectionStyle style,
5502 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
5503 list = compute_new_selection_rect (view, start, stop);
5505 list = compute_new_selection_text (view, style, start, stop);
5506 merge_selection_region (view, list);
5509 /* Free's the selection. It's up to the caller to queue redraws if needed.
5512 selection_free (EvViewSelection *selection)
5514 if (selection->covered_region)
5515 gdk_region_destroy (selection->covered_region);
5520 clear_selection (EvView *view)
5522 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5523 view->selection_info.selections = NULL;
5524 view->selection_info.in_selection = FALSE;
5525 if (view->pixbuf_cache)
5526 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
5527 g_object_notify (G_OBJECT (view), "has-selection");
5531 ev_view_select_all (EvView *view)
5533 GList *selections = NULL;
5536 /* Disable selection on rotated pages for the 0.4.0 series */
5537 if (view->rotation != 0)
5540 clear_selection (view);
5542 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5543 for (i = 0; i < n_pages; i++) {
5545 EvViewSelection *selection;
5547 ev_page_cache_get_size (view->page_cache,
5550 1.0, &width, &height);
5552 selection = g_new0 (EvViewSelection, 1);
5553 selection->page = i;
5554 selection->style = EV_SELECTION_STYLE_GLYPH;
5555 selection->rect.x1 = selection->rect.y1 = 0;
5556 selection->rect.x2 = width;
5557 selection->rect.y2 = height;
5559 selections = g_list_append (selections, selection);
5562 merge_selection_region (view, selections);
5563 gtk_widget_queue_draw (GTK_WIDGET (view));
5567 ev_view_get_has_selection (EvView *view)
5569 return view->selection_info.selections != NULL;
5573 get_selected_text (EvView *view)
5577 gchar *normalized_text;
5578 EvRenderContext *rc;
5580 text = g_string_new (NULL);
5581 rc = ev_render_context_new (view->rotation, 1, view->scale);
5583 ev_document_doc_mutex_lock ();
5585 for (l = view->selection_info.selections; l != NULL; l = l->next) {
5586 EvViewSelection *selection = (EvViewSelection *)l->data;
5589 ev_render_context_set_page (rc, selection->page);
5590 tmp = ev_selection_get_selected_text (EV_SELECTION (view->document),
5591 rc, selection->style,
5592 &(selection->rect));
5594 g_string_append (text, tmp);
5598 ev_document_doc_mutex_unlock ();
5600 g_object_unref (rc);
5602 normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC);
5603 g_string_free (text, TRUE);
5604 return normalized_text;
5608 ev_view_copy (EvView *ev_view)
5610 GtkClipboard *clipboard;
5613 if (!EV_IS_SELECTION (ev_view->document))
5616 text = get_selected_text (ev_view);
5617 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
5618 GDK_SELECTION_CLIPBOARD);
5619 gtk_clipboard_set_text (clipboard, text, -1);
5624 ev_view_primary_get_cb (GtkClipboard *clipboard,
5625 GtkSelectionData *selection_data,
5629 EvView *ev_view = EV_VIEW (data);
5632 if (!EV_IS_SELECTION (ev_view->document))
5635 text = get_selected_text (ev_view);
5637 gtk_selection_data_set_text (selection_data, text, -1);
5643 ev_view_primary_clear_cb (GtkClipboard *clipboard,
5646 EvView *view = EV_VIEW (data);
5648 clear_selection (view);
5652 ev_view_update_primary_selection (EvView *ev_view)
5654 GtkClipboard *clipboard;
5656 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
5657 GDK_SELECTION_PRIMARY);
5659 if (ev_view->selection_info.selections) {
5660 if (!gtk_clipboard_set_with_owner (clipboard,
5662 G_N_ELEMENTS (clipboard_targets),
5663 ev_view_primary_get_cb,
5664 ev_view_primary_clear_cb,
5665 G_OBJECT (ev_view)))
5666 ev_view_primary_clear_cb (clipboard, ev_view);
5668 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
5669 gtk_clipboard_clear (clipboard);
5673 /*** Cursor operations ***/
5676 ev_view_create_invisible_cursor(void)
5679 GdkColor black = { 0, 0, 0, 0 };
5680 static char bits[] = { 0x00 };
5682 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
5684 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
5688 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
5690 GdkCursor *cursor = NULL;
5691 GdkDisplay *display;
5694 if (view->cursor == new_cursor) {
5698 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
5699 display = gtk_widget_get_display (widget);
5700 view->cursor = new_cursor;
5702 switch (new_cursor) {
5703 case EV_VIEW_CURSOR_NORMAL:
5704 gdk_window_set_cursor (view->layout.bin_window, NULL);
5706 case EV_VIEW_CURSOR_IBEAM:
5707 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
5709 case EV_VIEW_CURSOR_LINK:
5710 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
5712 case EV_VIEW_CURSOR_WAIT:
5713 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
5715 case EV_VIEW_CURSOR_HIDDEN:
5716 cursor = ev_view_create_invisible_cursor ();
5718 case EV_VIEW_CURSOR_DRAG:
5719 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
5721 case EV_VIEW_CURSOR_AUTOSCROLL:
5722 cursor = gdk_cursor_new_for_display (display, GDK_DOUBLE_ARROW);
5727 gdk_window_set_cursor (view->layout.bin_window, cursor);
5728 gdk_cursor_unref (cursor);
5734 ev_view_hide_cursor (EvView *view)
5736 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
5740 ev_view_show_cursor (EvView *view)
5742 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
5746 ev_view_reset_presentation_state (EvView *view)
5748 if (!view->presentation ||
5749 view->presentation_state == EV_PRESENTATION_NORMAL)
5752 view->presentation_state = EV_PRESENTATION_NORMAL;
5753 gdk_window_set_background (view->layout.bin_window,
5754 >K_WIDGET (view)->style->black);
5755 gtk_widget_queue_draw (GTK_WIDGET (view));
5759 ev_view_next_page (EvView *view)
5763 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5765 if (!view->page_cache)
5768 if (view->presentation &&
5769 (view->presentation_state == EV_PRESENTATION_BLACK ||
5770 view->presentation_state == EV_PRESENTATION_WHITE)) {
5771 ev_view_reset_presentation_state (view);
5775 ev_view_presentation_transition_stop (view);
5776 ev_view_reset_presentation_state (view);
5778 page = ev_page_cache_get_current_page (view->page_cache);
5779 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5781 if (view->dual_page && !view->presentation)
5786 if (page < n_pages) {
5787 ev_page_cache_set_current_page (view->page_cache, page);
5789 } else if (view->presentation && page == n_pages) {
5790 view->presentation_state = EV_PRESENTATION_END;
5791 gtk_widget_queue_draw (GTK_WIDGET (view));
5793 } else if (view->dual_page && page == n_pages) {
5794 ev_page_cache_set_current_page (view->page_cache, page - 1);
5802 ev_view_previous_page (EvView *view)
5806 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5808 if (!view->page_cache)
5811 if (view->presentation &&
5812 view->presentation_state == EV_PRESENTATION_END) {
5813 ev_view_reset_presentation_state (view);
5817 if (view->presentation &&
5818 (view->presentation_state == EV_PRESENTATION_BLACK ||
5819 view->presentation_state == EV_PRESENTATION_WHITE)) {
5820 ev_view_reset_presentation_state (view);
5824 ev_view_reset_presentation_state (view);
5826 page = ev_page_cache_get_current_page (view->page_cache);
5828 if (view->dual_page && !view->presentation)
5834 ev_page_cache_set_current_page (view->page_cache, page);
5836 } else if (ev_view_get_dual_page (view) && page == -1) {
5837 ev_page_cache_set_current_page (view->page_cache, 0);
5844 /*** Enum description for usage in signal ***/
5847 ev_sizing_mode_get_type (void)
5849 static GType etype = 0;
5851 static const GEnumValue values[] = {
5852 { EV_SIZING_FIT_WIDTH, "EV_SIZING_FIT_WIDTH", "fit-width" },
5853 { EV_SIZING_BEST_FIT, "EV_SIZING_BEST_FIT", "best-fit" },
5854 { EV_SIZING_FREE, "EV_SIZING_FREE", "free" },
5857 etype = g_enum_register_static ("EvSizingMode", values);
5863 ev_scroll_type_get_type (void)
5865 static GType etype = 0;
5867 static const GEnumValue values[] = {
5868 { EV_SCROLL_PAGE_FORWARD, "EV_SCROLL_PAGE_FORWARD", "scroll-page-forward" },
5869 { EV_SCROLL_PAGE_BACKWARD, "EV_SCROLL_PAGE_BACKWARD", "scroll-page-backward" },
5870 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
5871 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
5872 { EV_SCROLL_STEP_UP, "EV_SCROLL_STEP_UP", "scroll-step-up" },
5873 { EV_SCROLL_STEP_DOWN, "EV_SCROLL_STEP_DOWN", "scroll-step-down" },
5876 etype = g_enum_register_static ("EvScrollType", values);
5882 ev_view_update_view_size (EvView *view, GtkScrolledWindow * scrolled_window)
5885 GtkRequisition vsb_requisition;
5886 GtkRequisition hsb_requisition;
5887 int scrollbar_spacing;
5889 /* Calculate the width available for the content */
5890 width = GTK_WIDGET (scrolled_window)->allocation.width;
5891 height = GTK_WIDGET (scrolled_window)->allocation.height;
5893 if (gtk_scrolled_window_get_shadow_type (scrolled_window) == GTK_SHADOW_IN
5895 width -= 2 * GTK_WIDGET(view)->style->xthickness;
5896 height -= 2 * GTK_WIDGET(view)->style->ythickness;
5899 gtk_widget_size_request (scrolled_window->vscrollbar, &vsb_requisition);
5900 gtk_widget_size_request (scrolled_window->hscrollbar, &hsb_requisition);
5901 gtk_widget_style_get (GTK_WIDGET (scrolled_window),
5902 "scrollbar_spacing",
5906 if (EV_IS_VIEW(view)) {
5907 ev_view_set_zoom_for_size (EV_VIEW (view),
5910 vsb_requisition.width + scrollbar_spacing,
5911 hsb_requisition.height + scrollbar_spacing);