1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
2 /* this file is part of evince, a gnome document viewer
4 * Copyright (C) 2004 Red Hat, Inc
6 * Evince is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Evince is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
27 #include <glib/gi18n.h>
29 #include <gdk/gdkkeysyms.h>
31 #include "ev-document-forms.h"
32 #include "ev-document-images.h"
33 #include "ev-document-links.h"
34 #include "ev-document-misc.h"
35 #include "ev-document-transition.h"
36 #include "ev-page-cache.h"
37 #include "ev-pixbuf-cache.h"
38 #include "ev-transition-animation.h"
39 #include "ev-view-marshal.h"
41 #include "ev-view-accessible.h"
42 #include "ev-view-private.h"
44 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
45 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
46 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
61 SIGNAL_BINDING_ACTIVATED,
80 TARGET_TEXT_BUFFER_CONTENTS
83 static const GtkTargetEntry clipboard_targets[] = {
84 { "STRING", 0, TARGET_STRING },
85 { "TEXT", 0, TARGET_TEXT },
86 { "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT },
87 { "UTF8_STRING", 0, TARGET_UTF8_STRING },
90 static guint signals[N_SIGNALS];
95 } EvViewFindDirection;
97 #define ZOOM_IN_FACTOR 1.2
98 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
100 #define MIN_SCALE 0.05409
101 #define MAX_SCALE 4.0
103 #define SCROLL_TIME 150
106 static void scroll_to_current_page (EvView *view,
107 GtkOrientation orientation);
108 static void ev_view_set_scroll_adjustments (GtkLayout *layout,
109 GtkAdjustment *hadjustment,
110 GtkAdjustment *vadjustment);
111 static void view_update_range_and_current_page (EvView *view);
112 static void set_scroll_adjustment (EvView *view,
113 GtkOrientation orientation,
114 GtkAdjustment *adjustment);
115 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
117 GdkModifierType modifiers,
118 GtkScrollType scroll,
119 gboolean horizontal);
120 static void ensure_rectangle_is_visible (EvView *view,
123 /*** Geometry computations ***/
124 static void compute_border (EvView *view,
128 static void get_page_y_offset (EvView *view,
132 static gboolean get_page_extents (EvView *view,
134 GdkRectangle *page_area,
136 static void view_rect_to_doc_rect (EvView *view,
137 GdkRectangle *view_rect,
138 GdkRectangle *page_area,
139 EvRectangle *doc_rect);
140 static void doc_rect_to_view_rect (EvView *view,
142 EvRectangle *doc_rect,
143 GdkRectangle *view_rect);
144 static void find_page_at_location (EvView *view,
150 static gboolean doc_point_to_view_point (EvView *view,
153 GdkPoint *view_point);
155 static EvLink * ev_view_get_link_at_location (EvView *view,
158 static char* tip_from_link (EvView *view,
161 static EvFormField *ev_view_get_form_field_at_location (EvView *view,
165 /*** GtkWidget implementation ***/
166 static void ev_view_size_request_continuous_dual_page (EvView *view,
167 GtkRequisition *requisition);
168 static void ev_view_size_request_continuous (EvView *view,
169 GtkRequisition *requisition);
170 static void ev_view_size_request_dual_page (EvView *view,
171 GtkRequisition *requisition);
172 static void ev_view_size_request_single_page (EvView *view,
173 GtkRequisition *requisition);
174 static void ev_view_size_request (GtkWidget *widget,
175 GtkRequisition *requisition);
176 static void ev_view_size_allocate (GtkWidget *widget,
177 GtkAllocation *allocation);
178 static void ev_view_realize (GtkWidget *widget);
179 static gboolean ev_view_scroll_event (GtkWidget *widget,
180 GdkEventScroll *event);
181 static gboolean ev_view_expose_event (GtkWidget *widget,
182 GdkEventExpose *event);
183 static gboolean ev_view_popup_menu (GtkWidget *widget);
184 static gboolean ev_view_button_press_event (GtkWidget *widget,
185 GdkEventButton *event);
186 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
187 GdkEventMotion *event);
188 static gboolean ev_view_button_release_event (GtkWidget *widget,
189 GdkEventButton *event);
190 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
191 GdkEventCrossing *event);
192 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
193 GdkEventCrossing *event);
194 static void ev_view_style_set (GtkWidget *widget,
195 GtkStyle *old_style);
196 static void ev_view_remove_all (EvView *view);
198 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
201 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
202 static void draw_rubberband (GtkWidget *widget,
204 const GdkRectangle *rect,
206 static void highlight_find_results (EvView *view,
208 static void draw_one_page (EvView *view,
211 GdkRectangle *page_area,
213 GdkRectangle *expose_area,
214 gboolean *page_ready);
215 static void draw_loading_text (EvView *view,
216 GdkRectangle *page_area,
217 GdkRectangle *expose_area);
218 static void ev_view_reload_page (EvView *view,
223 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
226 static void page_changed_cb (EvPageCache *page_cache,
229 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
233 static void ev_view_finalize (GObject *object);
234 static void ev_view_destroy (GtkObject *object);
235 static void ev_view_set_property (GObject *object,
239 static void ev_view_get_property (GObject *object,
243 static void ev_view_class_init (EvViewClass *class);
244 static void ev_view_init (EvView *view);
246 /*** Zoom and sizing ***/
247 static double zoom_for_size_fit_width (int doc_width,
252 static double zoom_for_size_fit_height (int doc_width,
257 static double zoom_for_size_best_fit (int doc_width,
263 static void ev_view_zoom_for_size_presentation (EvView *view,
266 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
271 static void ev_view_zoom_for_size_continuous (EvView *view,
276 static void ev_view_zoom_for_size_dual_page (EvView *view,
281 static void ev_view_zoom_for_size_single_page (EvView *view,
287 static GdkCursor* ev_view_create_invisible_cursor (void);
288 static void ev_view_set_cursor (EvView *view,
289 EvViewCursor new_cursor);
290 static void ev_view_handle_cursor_over_xy (EvView *view,
295 static gint ev_view_find_get_n_results (EvView *view,
297 static EvRectangle *ev_view_find_get_result (EvView *view,
300 static void jump_to_find_result (EvView *view);
301 static void jump_to_find_page (EvView *view,
302 EvViewFindDirection direction,
306 static void compute_selections (EvView *view,
307 EvSelectionStyle style,
310 static void clear_selection (EvView *view);
311 static void clear_link_selected (EvView *view);
312 static void selection_free (EvViewSelection *selection);
313 static char* get_selected_text (EvView *ev_view);
314 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
315 GtkSelectionData *selection_data,
318 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
320 static void ev_view_update_primary_selection (EvView *ev_view);
322 /*** Presentation ***/
323 static void ev_view_presentation_transition_start (EvView *ev_view);
324 static void ev_view_presentation_transition_stop (EvView *ev_view);
327 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_LAYOUT)
330 scroll_to_current_page (EvView *view, GtkOrientation orientation)
334 if (view->document == NULL) {
338 doc_point_to_view_point (view, view->current_page, &view->pending_point, &view_point);
340 if (orientation == GTK_ORIENTATION_VERTICAL) {
341 view->pending_point.y = 0;
343 view->pending_point.x = 0;
346 if (orientation == GTK_ORIENTATION_VERTICAL) {
347 if (view->continuous) {
348 gtk_adjustment_clamp_page (view->vadjustment,
349 view_point.y - view->spacing / 2,
350 view_point.y + view->vadjustment->page_size);
352 gtk_adjustment_set_value (view->vadjustment,
354 view->vadjustment->lower,
355 view->vadjustment->upper -
356 view->vadjustment->page_size));
359 if (view->dual_page) {
360 gtk_adjustment_clamp_page (view->hadjustment,
362 view_point.x + view->hadjustment->page_size);
364 gtk_adjustment_set_value (view->hadjustment,
366 view->hadjustment->lower,
367 view->hadjustment->upper -
368 view->hadjustment->page_size));
374 view_set_adjustment_values (EvView *view,
375 GtkOrientation orientation)
377 GtkWidget *widget = GTK_WIDGET (view);
378 GtkAdjustment *adjustment;
385 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
386 requisition = widget->requisition.width;
387 allocation = widget->allocation.width;
388 adjustment = view->hadjustment;
390 requisition = widget->requisition.height;
391 allocation = widget->allocation.height;
392 adjustment = view->vadjustment;
399 switch (view->pending_scroll) {
400 case SCROLL_TO_KEEP_POSITION:
401 case SCROLL_TO_FIND_LOCATION:
402 factor = (adjustment->value) / adjustment->upper;
404 case SCROLL_TO_PAGE_POSITION:
406 case SCROLL_TO_CENTER:
407 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
411 adjustment->page_size = allocation;
412 adjustment->step_increment = allocation * 0.1;
413 adjustment->page_increment = allocation * 0.9;
414 adjustment->lower = 0;
415 adjustment->upper = MAX (allocation, requisition);
418 * We add 0.5 to the values before to average out our rounding errors.
420 switch (view->pending_scroll) {
421 case SCROLL_TO_KEEP_POSITION:
422 case SCROLL_TO_FIND_LOCATION:
423 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
424 gtk_adjustment_set_value (adjustment, (int)new_value);
426 case SCROLL_TO_PAGE_POSITION:
427 scroll_to_current_page (view, orientation);
429 case SCROLL_TO_CENTER:
430 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
431 0, adjustment->upper - adjustment->page_size);
432 gtk_adjustment_set_value (adjustment, (int)new_value);
436 gtk_adjustment_changed (adjustment);
440 view_update_range_and_current_page (EvView *view)
443 gint best_current_page = -1;
445 /* Presentation trumps all other modes */
446 if (view->presentation) {
447 view->start_page = view->current_page;
448 view->end_page = view->current_page;
449 } else if (view->continuous) {
450 GdkRectangle current_area, unused, page_area;
452 gboolean found = FALSE;
453 gint area_max = -1, area;
456 if (!(view->vadjustment && view->hadjustment))
459 current_area.x = view->hadjustment->value;
460 current_area.width = view->hadjustment->upper;
461 current_area.y = view->vadjustment->value;
462 current_area.height = view->vadjustment->page_size;
464 for (i = 0; i < ev_page_cache_get_n_pages (view->page_cache); i++) {
466 get_page_extents (view, i, &page_area, &border);
468 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
469 area = unused.width * unused.height;
473 view->start_page = i;
475 best_current_page = i;
477 if (area > area_max) {
478 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
483 } else if (found && view->current_page <= view->end_page) {
488 } else if (view->dual_page) {
489 if (view->current_page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) {
490 view->start_page = view->current_page;
491 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache))
492 view->end_page = view->start_page + 1;
494 view->end_page = view->start_page;
496 if (view->current_page < 1)
497 view->start_page = view->current_page;
499 view->start_page = view->current_page - 1;
500 view->end_page = view->current_page;
503 view->start_page = view->current_page;
504 view->end_page = view->current_page;
507 best_current_page = MAX (best_current_page, view->start_page);
508 current_page = ev_page_cache_get_current_page (view->page_cache);
510 if ((current_page != best_current_page) && (view->pending_scroll == SCROLL_TO_KEEP_POSITION)) {
511 view->current_page = best_current_page;
512 ev_page_cache_set_current_page (view->page_cache, best_current_page);
515 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
520 view->selection_info.selections);
524 set_scroll_adjustment (EvView *view,
525 GtkOrientation orientation,
526 GtkAdjustment *adjustment)
528 GtkAdjustment **to_set;
530 if (orientation == GTK_ORIENTATION_HORIZONTAL)
531 to_set = &view->hadjustment;
533 to_set = &view->vadjustment;
535 if (*to_set != adjustment) {
537 g_signal_handlers_disconnect_by_func (*to_set,
538 (gpointer) on_adjustment_value_changed,
540 g_object_unref (*to_set);
543 *to_set = adjustment;
544 view_set_adjustment_values (view, orientation);
547 g_object_ref (*to_set);
548 g_signal_connect (*to_set, "value_changed",
549 G_CALLBACK (on_adjustment_value_changed), view);
555 ev_view_set_scroll_adjustments (GtkLayout *layout,
556 GtkAdjustment *hadjustment,
557 GtkAdjustment *vadjustment)
559 EvView *view = EV_VIEW (layout);
561 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
562 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
564 on_adjustment_value_changed (NULL, view);
568 add_scroll_binding_keypad (GtkBindingSet *binding_set,
570 GdkModifierType modifiers,
571 GtkScrollType scroll,
574 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
576 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
577 "binding_activated", 2,
578 GTK_TYPE_SCROLL_TYPE, scroll,
579 G_TYPE_BOOLEAN, horizontal);
580 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
581 "binding_activated", 2,
582 GTK_TYPE_SCROLL_TYPE, scroll,
583 G_TYPE_BOOLEAN, horizontal);
587 ev_view_scroll (EvView *view,
588 GtkScrollType scroll,
591 GtkAdjustment *adjustment;
592 double value, increment;
593 gboolean first_page = FALSE;
594 gboolean last_page = FALSE;
596 view->jump_to_find_result = FALSE;
598 if (view->presentation || view->sizing_mode == EV_SIZING_BEST_FIT) {
600 case GTK_SCROLL_PAGE_BACKWARD:
601 case GTK_SCROLL_STEP_BACKWARD:
602 ev_view_previous_page (view);
604 case GTK_SCROLL_PAGE_FORWARD:
605 case GTK_SCROLL_STEP_FORWARD:
606 ev_view_next_page (view);
614 /* Assign values for increment and vertical adjustment */
615 adjustment = horizontal ? view->hadjustment : view->vadjustment;
616 increment = adjustment->page_size * 0.75;
617 value = adjustment->value;
619 /* Assign boolean for first and last page */
620 if (view->current_page == 0)
622 if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1)
626 case GTK_SCROLL_PAGE_BACKWARD:
627 /* Do not jump backwards if at the first page */
628 if (value == (adjustment->lower) && first_page) {
630 /* At the top of a page, assign the upper bound limit of previous page */
631 } else if (value == (adjustment->lower)) {
632 value = adjustment->upper - adjustment->page_size;
633 ev_view_previous_page (view);
634 /* Jump to the top */
636 value = MAX (value - increment, adjustment->lower);
639 case GTK_SCROLL_PAGE_FORWARD:
640 /* Do not jump forward if at the last page */
641 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
643 /* At the bottom of a page, assign the lower bound limit of next page */
644 } else if (value == (adjustment->upper - adjustment->page_size)) {
646 ev_view_next_page (view);
647 /* Jump to the bottom */
649 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
652 case GTK_SCROLL_STEP_BACKWARD:
653 value -= adjustment->step_increment;
655 case GTK_SCROLL_STEP_FORWARD:
656 value += adjustment->step_increment;
658 case GTK_SCROLL_STEP_DOWN:
659 value -= adjustment->step_increment / 10;
661 case GTK_SCROLL_STEP_UP:
662 value += adjustment->step_increment / 10;
668 value = CLAMP (value, adjustment->lower,
669 adjustment->upper - adjustment->page_size);
671 gtk_adjustment_set_value (adjustment, value);
677 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
679 GtkWidget *widget = GTK_WIDGET (view);
680 GtkAdjustment *adjustment;
683 view->pending_scroll = SCROLL_TO_FIND_LOCATION;
685 adjustment = view->vadjustment;
687 if (rect->y < adjustment->value) {
688 value = MAX (adjustment->lower, rect->y - MARGIN);
689 gtk_adjustment_set_value (view->vadjustment, value);
690 } else if (rect->y + rect->height >
691 adjustment->value + widget->allocation.height) {
692 value = MIN (adjustment->upper, rect->y + rect->height -
693 widget->allocation.height + MARGIN);
694 gtk_adjustment_set_value (view->vadjustment, value);
697 adjustment = view->hadjustment;
699 if (rect->x < adjustment->value) {
700 value = MAX (adjustment->lower, rect->x - MARGIN);
701 gtk_adjustment_set_value (view->hadjustment, value);
702 } else if (rect->x + rect->height >
703 adjustment->value + widget->allocation.width) {
704 value = MIN (adjustment->upper, rect->x + rect->width -
705 widget->allocation.width + MARGIN);
706 gtk_adjustment_set_value (view->hadjustment, value);
709 gtk_widget_queue_resize (GTK_WIDGET (view));
712 /*** Geometry computations ***/
715 compute_border (EvView *view, int width, int height, GtkBorder *border)
717 if (view->presentation) {
723 ev_document_misc_get_page_border_size (width, height, border);
728 get_page_y_offset (EvView *view, int page, double zoom, int *y_offset)
730 int max_width, offset;
733 g_return_if_fail (y_offset != NULL);
735 ev_page_cache_get_max_width (view->page_cache, view->rotation, zoom, &max_width);
737 compute_border (view, max_width, max_width, &border);
739 if (view->dual_page) {
740 ev_page_cache_get_height_to_page (view->page_cache, page,
741 view->rotation, zoom, NULL, &offset);
742 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);
744 ev_page_cache_get_height_to_page (view->page_cache, page,
745 view->rotation, zoom, &offset, NULL);
746 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
754 get_page_extents (EvView *view,
756 GdkRectangle *page_area,
762 widget = GTK_WIDGET (view);
764 /* Get the size of the page */
765 ev_page_cache_get_size (view->page_cache, page,
769 compute_border (view, width, height, border);
770 page_area->width = width + border->left + border->right;
771 page_area->height = height + border->top + border->bottom;
773 if (view->presentation) {
774 page_area->x = (MAX (0, widget->allocation.width - width))/2;
775 page_area->y = (MAX (0, widget->allocation.height - height))/2;
776 } else if (view->continuous) {
780 ev_page_cache_get_max_width (view->page_cache, view->rotation,
781 view->scale, &max_width);
782 max_width = max_width + border->left + border->right;
783 /* Get the location of the bounding box */
784 if (view->dual_page) {
785 x = view->spacing + ((page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? 0 : 1) * (max_width + view->spacing);
786 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
787 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
788 x = x + (max_width - width - border->left - border->right);
791 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
794 get_page_y_offset (view, page, view->scale, &y);
800 if (view->dual_page) {
801 gint width_2, height_2;
802 gint max_width = width;
803 gint max_height = height;
804 GtkBorder overall_border;
807 other_page = (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? page + 1: page - 1;
809 /* First, we get the bounding box of the two pages */
810 if (other_page < ev_page_cache_get_n_pages (view->page_cache)
811 && (0 <= other_page)) {
812 ev_page_cache_get_size (view->page_cache,
816 &width_2, &height_2);
819 if (height_2 > height)
820 max_height = height_2;
822 compute_border (view, max_width, max_height, &overall_border);
824 /* Find the offsets */
828 /* Adjust for being the left or right page */
829 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
830 x = x + max_width - width;
832 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
834 y = y + (max_height - height)/2;
836 /* Adjust for extra allocation */
837 x = x + MAX (0, widget->allocation.width -
838 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
839 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
844 /* Adjust for extra allocation */
845 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
846 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
857 view_point_to_doc_point (EvView *view,
858 GdkPoint *view_point,
859 GdkRectangle *page_area,
863 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
864 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
868 view_rect_to_doc_rect (EvView *view,
869 GdkRectangle *view_rect,
870 GdkRectangle *page_area,
871 EvRectangle *doc_rect)
873 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
874 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
875 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
876 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
880 doc_point_to_view_point (EvView *view,
883 GdkPoint *view_point)
885 GdkRectangle page_area;
887 double x, y, view_x, view_y;
890 ev_page_cache_get_size (view->page_cache, page,
895 if (view->rotation == 0) {
898 } else if (view->rotation == 90) {
899 x = width - doc_point->y;
901 } else if (view->rotation == 180) {
902 x = width - doc_point->x;
903 y = height - doc_point->y;
904 } else if (view->rotation == 270) {
906 y = height - doc_point->x;
908 g_assert_not_reached ();
911 get_page_extents (view, page, &page_area, &border);
913 view_x = x * view->scale;
914 view_y = y * view->scale;
915 view_point->x = view_x + page_area.x;
916 view_point->y = view_y + page_area.y;
918 return (view_x > 0 && view_x <= page_area.width &&
919 view_y > 0 && view_y <= page_area.height);
923 doc_rect_to_view_rect (EvView *view,
925 EvRectangle *doc_rect,
926 GdkRectangle *view_rect)
928 GdkRectangle page_area;
933 ev_page_cache_get_size (view->page_cache, page,
938 if (view->rotation == 0) {
941 w = doc_rect->x2 - doc_rect->x1;
942 h = doc_rect->y2 - doc_rect->y1;
943 } else if (view->rotation == 90) {
944 x = width - doc_rect->y2;
946 w = doc_rect->y2 - doc_rect->y1;
947 h = doc_rect->x2 - doc_rect->x1;
948 } else if (view->rotation == 180) {
949 x = width - doc_rect->x2;
950 y = height - doc_rect->y2;
951 w = doc_rect->x2 - doc_rect->x1;
952 h = doc_rect->y2 - doc_rect->y1;
953 } else if (view->rotation == 270) {
955 y = height - doc_rect->x2;
956 w = doc_rect->y2 - doc_rect->y1;
957 h = doc_rect->x2 - doc_rect->x1;
959 g_assert_not_reached ();
962 get_page_extents (view, page, &page_area, &border);
964 view_rect->x = x * view->scale + page_area.x;
965 view_rect->y = y * view->scale + page_area.y;
966 view_rect->width = w * view->scale;
967 view_rect->height = h * view->scale;
971 find_page_at_location (EvView *view,
980 if (view->document == NULL)
987 for (i = view->start_page; i <= view->end_page; i++) {
988 GdkRectangle page_area;
991 if (! get_page_extents (view, i, &page_area, &border))
994 if ((x >= page_area.x + border.left) &&
995 (x < page_area.x + page_area.width - border.right) &&
996 (y >= page_area.y + border.top) &&
997 (y < page_area.y + page_area.height - border.bottom)) {
999 *x_offset = x - (page_area.x + border.left);
1000 *y_offset = y - (page_area.y + border.top);
1009 location_in_text (EvView *view,
1015 gint x_offset = 0, y_offset = 0;
1017 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1022 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
1025 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1031 ev_view_get_width (EvView *view)
1033 return GTK_WIDGET (view)->allocation.width;
1037 ev_view_get_height (EvView *view)
1039 return GTK_WIDGET (view)->allocation.height;
1043 location_in_selected_text (EvView *view,
1048 gint x_offset = 0, y_offset = 0;
1049 EvViewSelection *selection;
1052 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1053 selection = (EvViewSelection *)l->data;
1055 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1057 if (page != selection->page)
1060 if (selection->covered_region &&
1061 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1069 get_doc_point_from_offset (EvView *view,
1079 ev_page_cache_get_size (view->page_cache, page,
1084 x_offset = x_offset / view->scale;
1085 y_offset = y_offset / view->scale;
1087 if (view->rotation == 0) {
1090 } else if (view->rotation == 90) {
1092 y = width - x_offset;
1093 } else if (view->rotation == 180) {
1094 x = width - x_offset;
1095 y = height - y_offset;
1096 } else if (view->rotation == 270) {
1097 x = height - y_offset;
1100 g_assert_not_reached ();
1111 ev_view_get_link_at_location (EvView *view,
1116 gint x_offset = 0, y_offset = 0;
1117 gint x_new = 0, y_new = 0;
1118 GList *link_mapping;
1120 if (!EV_IS_DOCUMENT_LINKS (view->document))
1123 x += view->scroll_x;
1124 y += view->scroll_y;
1126 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1132 if (get_doc_point_from_offset (view, page, x_offset,
1133 y_offset, &x_new, &y_new) == FALSE)
1136 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1139 return ev_link_mapping_find (link_mapping, x_new, y_new);
1145 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1148 gdouble zoom, left, top;
1149 gboolean change_left, change_top;
1151 left = ev_link_dest_get_left (dest, &change_left);
1152 top = ev_link_dest_get_top (dest, &change_top);
1154 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - left,
1155 ev_link_dest_get_bottom (dest) - top,
1156 ev_view_get_width (view),
1157 ev_view_get_height (view), 0, 0);
1159 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1160 ev_view_set_zoom (view, zoom, FALSE);
1162 doc_point.x = change_left ? left : 0;
1163 doc_point.y = change_top ? top : 0;
1165 view->current_page = ev_link_dest_get_page (dest);
1166 if (change_left || change_top)
1167 view->pending_point = doc_point;
1168 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1170 gtk_widget_queue_resize (GTK_WIDGET (view));
1174 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1177 int doc_width, doc_height, page;
1179 gboolean change_left;
1181 page = ev_link_dest_get_page (dest);
1182 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1184 left = ev_link_dest_get_left (dest, &change_left);
1185 doc_point.x = change_left ? left : 0;
1188 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1189 ev_view_get_width (view),
1190 ev_view_get_height (view), 0);
1192 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1193 ev_view_set_zoom (view, zoom, FALSE);
1195 view->current_page = page;
1197 view->pending_point = doc_point;
1198 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1200 gtk_widget_queue_resize (GTK_WIDGET (view));
1204 goto_fith_dest (EvView *view, EvLinkDest *dest)
1207 int doc_width, doc_height, page;
1209 gboolean change_top;
1211 page = ev_link_dest_get_page (dest);
1212 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1214 top = ev_link_dest_get_top (dest, &change_top);
1217 doc_point.y = change_top ? top : 0;
1219 zoom = zoom_for_size_fit_width (doc_width, top,
1220 ev_view_get_width (view),
1221 ev_view_get_height (view), 0);
1223 ev_view_set_sizing_mode (view, EV_SIZING_FIT_WIDTH);
1224 ev_view_set_zoom (view, zoom, FALSE);
1226 view->current_page = page;
1228 view->pending_point = doc_point;
1229 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1231 gtk_widget_queue_resize (GTK_WIDGET (view));
1235 goto_fit_dest (EvView *view, EvLinkDest *dest)
1238 int doc_width, doc_height;
1241 page = ev_link_dest_get_page (dest);
1242 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1244 zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view),
1245 ev_view_get_height (view), 0, 0);
1247 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
1248 ev_view_set_zoom (view, zoom, FALSE);
1250 view->current_page = page;
1251 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1253 gtk_widget_queue_resize (GTK_WIDGET (view));
1257 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1261 gdouble zoom, left, top;
1262 gboolean change_zoom, change_left, change_top;
1264 zoom = ev_link_dest_get_zoom (dest, &change_zoom);
1265 page = ev_link_dest_get_page (dest);
1267 if (change_zoom && zoom > 1) {
1268 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1269 ev_view_set_zoom (view, zoom, FALSE);
1272 left = ev_link_dest_get_left (dest, &change_left);
1273 top = ev_link_dest_get_top (dest, &change_top);
1275 doc_point.x = change_left ? left : 0;
1276 doc_point.y = change_top ? top : 0;
1278 view->current_page = page;
1279 if (change_left || change_top)
1280 view->pending_point = doc_point;
1281 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1283 gtk_widget_queue_resize (GTK_WIDGET (view));
1287 goto_dest (EvView *view, EvLinkDest *dest)
1289 EvLinkDestType type;
1290 int page, n_pages, current_page;
1292 page = ev_link_dest_get_page (dest);
1293 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1295 if (page < 0 || page >= n_pages)
1298 current_page = view->current_page;
1300 type = ev_link_dest_get_dest_type (dest);
1303 case EV_LINK_DEST_TYPE_PAGE:
1304 ev_page_cache_set_current_page (view->page_cache, page);
1306 case EV_LINK_DEST_TYPE_FIT:
1307 goto_fit_dest (view, dest);
1309 case EV_LINK_DEST_TYPE_FITH:
1310 goto_fith_dest (view, dest);
1312 case EV_LINK_DEST_TYPE_FITV:
1313 goto_fitv_dest (view, dest);
1315 case EV_LINK_DEST_TYPE_FITR:
1316 goto_fitr_dest (view, dest);
1318 case EV_LINK_DEST_TYPE_XYZ:
1319 goto_xyz_dest (view, dest);
1321 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1322 ev_page_cache_set_page_label (view->page_cache, ev_link_dest_get_page_label (dest));
1325 g_assert_not_reached ();
1328 if (current_page != view->current_page)
1329 ev_page_cache_set_current_page (view->page_cache,
1330 view->current_page);
1334 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1336 EvLinkDestType type;
1338 type = ev_link_dest_get_dest_type (dest);
1340 if (type == EV_LINK_DEST_TYPE_NAMED) {
1342 const gchar *named_dest;
1344 named_dest = ev_link_dest_get_named_dest (dest);
1345 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1348 goto_dest (view, dest2);
1349 g_object_unref (dest2);
1355 goto_dest (view, dest);
1359 ev_view_handle_link (EvView *view, EvLink *link)
1361 EvLinkAction *action = NULL;
1362 EvLinkActionType type;
1364 action = ev_link_get_action (link);
1368 type = ev_link_action_get_action_type (action);
1371 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1374 g_signal_emit (view, signals[SIGNAL_HANDLE_LINK], 0, link);
1376 dest = ev_link_action_get_dest (action);
1377 ev_view_goto_dest (view, dest);
1380 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1381 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1382 case EV_LINK_ACTION_TYPE_LAUNCH:
1383 case EV_LINK_ACTION_TYPE_NAMED:
1384 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1390 ev_view_page_label_from_dest (EvView *view, EvLinkDest *dest)
1392 EvLinkDestType type;
1395 type = ev_link_dest_get_dest_type (dest);
1398 case EV_LINK_DEST_TYPE_NAMED: {
1400 const gchar *named_dest;
1402 named_dest = ev_link_dest_get_named_dest (dest);
1403 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1406 msg = ev_page_cache_get_page_label (view->page_cache,
1407 ev_link_dest_get_page (dest2));
1408 g_object_unref (dest2);
1413 case EV_LINK_DEST_TYPE_PAGE_LABEL: {
1414 msg = g_strdup (ev_link_dest_get_page_label (dest));
1418 msg = ev_page_cache_get_page_label (view->page_cache,
1419 ev_link_dest_get_page (dest));
1426 tip_from_action_named (EvLinkAction *action)
1428 const gchar *name = ev_link_action_get_name (action);
1430 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1431 return g_strdup (_("Go to first page"));
1432 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1433 return g_strdup (_("Go to previous page"));
1434 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1435 return g_strdup (_("Go to next page"));
1436 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1437 return g_strdup (_("Go to last page"));
1438 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1439 return g_strdup (_("Go to page"));
1440 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1441 return g_strdup (_("Find"));
1448 tip_from_link (EvView *view, EvLink *link)
1450 EvLinkAction *action;
1451 EvLinkActionType type;
1456 action = ev_link_get_action (link);
1457 title = ev_link_get_title (link);
1460 return title ? g_strdup (title) : NULL;
1462 type = ev_link_action_get_action_type (action);
1465 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1466 page_label = ev_view_page_label_from_dest (view,
1467 ev_link_action_get_dest (action));
1469 msg = g_strdup_printf (_("Go to page %s"), page_label);
1470 g_free (page_label);
1473 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1475 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1476 ev_link_action_get_filename (action));
1478 msg = g_strdup_printf (_("Go to file “%s”"),
1479 ev_link_action_get_filename (action));
1482 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1483 msg = g_strdup (ev_link_action_get_uri (action));
1485 case EV_LINK_ACTION_TYPE_LAUNCH:
1486 msg = g_strdup_printf (_("Launch %s"),
1487 ev_link_action_get_filename (action));
1489 case EV_LINK_ACTION_TYPE_NAMED:
1490 msg = tip_from_action_named (action);
1494 msg = g_strdup (title);
1502 ev_view_handle_cursor_over_xy (EvView *view, gint x, gint y)
1507 if (view->cursor == EV_VIEW_CURSOR_HIDDEN)
1510 if (view->drag_info.in_drag) {
1511 if (view->cursor != EV_VIEW_CURSOR_DRAG)
1512 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1516 if (view->scroll_info.autoscrolling) {
1517 if (view->cursor != EV_VIEW_CURSOR_AUTOSCROLL)
1518 ev_view_set_cursor (view, EV_VIEW_CURSOR_AUTOSCROLL);
1522 link = ev_view_get_link_at_location (view, x, y);
1524 g_object_set (view, "has-tooltip", TRUE, NULL);
1525 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1526 } else if ((field = ev_view_get_form_field_at_location (view, x, y))) {
1527 if (field->is_read_only) {
1528 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1529 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1530 view->cursor == EV_VIEW_CURSOR_DRAG)
1531 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1532 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
1533 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1535 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1537 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1538 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1540 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1541 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1542 view->cursor == EV_VIEW_CURSOR_DRAG ||
1543 view->cursor == EV_VIEW_CURSOR_AUTOSCROLL)
1544 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1550 ev_view_get_image_at_location (EvView *view,
1555 gint x_offset = 0, y_offset = 0;
1556 gint x_new = 0, y_new = 0;
1557 GList *image_mapping;
1559 if (!EV_IS_DOCUMENT_IMAGES (view->document))
1562 x += view->scroll_x;
1563 y += view->scroll_y;
1565 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1570 if (get_doc_point_from_offset (view, page, x_offset,
1571 y_offset, &x_new, &y_new) == FALSE)
1574 image_mapping = ev_pixbuf_cache_get_image_mapping (view->pixbuf_cache, page);
1577 return ev_image_mapping_find (image_mapping, x_new, y_new);
1583 static EvFormField *
1584 ev_view_get_form_field_at_location (EvView *view,
1589 gint x_offset = 0, y_offset = 0;
1590 gint x_new = 0, y_new = 0;
1591 GList *forms_mapping;
1593 if (!EV_IS_DOCUMENT_FORMS (view->document))
1596 x += view->scroll_x;
1597 y += view->scroll_y;
1599 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1604 if (get_doc_point_from_offset (view, page, x_offset,
1605 y_offset, &x_new, &y_new) == FALSE)
1608 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, page);
1611 return ev_form_field_mapping_find (forms_mapping, x_new, y_new);
1617 ev_view_form_field_get_region (EvView *view,
1620 EvRectangle field_area;
1621 GdkRectangle view_area;
1622 GList *forms_mapping;
1624 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
1625 field->page->index);
1626 ev_form_field_mapping_get_area (forms_mapping, field, &field_area);
1627 doc_rect_to_view_rect (view, field->page->index, &field_area, &view_area);
1628 view_area.x -= view->scroll_x;
1629 view_area.y -= view->scroll_y;
1631 return gdk_region_rectangle (&view_area);
1635 ev_view_forms_remove_widgets (EvView *view)
1637 ev_view_remove_all (view);
1643 ev_view_form_field_destroy (GtkWidget *widget,
1646 g_idle_add ((GSourceFunc)ev_view_forms_remove_widgets, view);
1650 ev_view_form_field_button_create_widget (EvView *view,
1653 EvFormFieldButton *field_button = EV_FORM_FIELD_BUTTON (field);
1654 GdkRegion *field_region = NULL;
1656 switch (field_button->type) {
1657 case EV_FORM_FIELD_BUTTON_PUSH:
1659 case EV_FORM_FIELD_BUTTON_CHECK:
1660 case EV_FORM_FIELD_BUTTON_RADIO: {
1662 GList *forms_mapping, *l;
1664 state = ev_document_forms_form_field_button_get_state (EV_DOCUMENT_FORMS (view->document),
1667 /* FIXME: it actually depends on NoToggleToOff flags */
1668 if (field_button->type == EV_FORM_FIELD_BUTTON_RADIO &&
1669 state && field_button->state)
1672 field_region = ev_view_form_field_get_region (view, field);
1674 /* For radio buttons and checkbox buttons that are in a set
1675 * we need to update also the region for the current selected item
1677 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
1678 field->page->index);
1679 for (l = forms_mapping; l; l = g_list_next (l)) {
1680 EvFormField *button = ((EvFormFieldMapping *)(l->data))->field;
1681 GdkRegion *button_region;
1683 if (button->id == field->id)
1686 /* FIXME: only buttons in the same group should be updated */
1687 if (!EV_IS_FORM_FIELD_BUTTON (button) ||
1688 EV_FORM_FIELD_BUTTON (button)->type != field_button->type ||
1689 EV_FORM_FIELD_BUTTON (button)->state != TRUE)
1692 button_region = ev_view_form_field_get_region (view, button);
1693 gdk_region_union (field_region, button_region);
1694 gdk_region_destroy (button_region);
1697 ev_document_forms_form_field_button_set_state (EV_DOCUMENT_FORMS (view->document),
1699 field_button->state = !state;
1704 ev_view_reload_page (view, field->page->index, field_region);
1705 gdk_region_destroy (field_region);
1711 ev_view_form_field_text_save (EvView *view,
1716 if (!view->document)
1719 field = g_object_get_data (G_OBJECT (widget), "form-field");
1721 if (field->changed) {
1722 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1723 GdkRegion *field_region;
1725 field_region = ev_view_form_field_get_region (view, field);
1727 ev_document_forms_form_field_text_set_text (EV_DOCUMENT_FORMS (view->document),
1728 field, field_text->text);
1729 field->changed = FALSE;
1730 ev_view_reload_page (view, field->page->index, field_region);
1731 gdk_region_destroy (field_region);
1736 ev_view_form_field_text_changed (GtkWidget *widget,
1739 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1742 if (GTK_IS_ENTRY (widget)) {
1743 text = g_strdup (gtk_entry_get_text (GTK_ENTRY (widget)));
1744 } else if (GTK_IS_TEXT_BUFFER (widget)) {
1745 GtkTextIter start, end;
1747 gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (widget), &start, &end);
1748 text = gtk_text_buffer_get_text (GTK_TEXT_BUFFER (widget),
1749 &start, &end, FALSE);
1752 if (!field_text->text ||
1753 (field_text->text && g_ascii_strcasecmp (field_text->text, text) != 0)) {
1754 g_free (field_text->text);
1755 field_text->text = text;
1756 field->changed = TRUE;
1761 ev_view_form_field_text_create_widget (EvView *view,
1764 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1765 GtkWidget *text = NULL;
1768 txt = ev_document_forms_form_field_text_get_text (EV_DOCUMENT_FORMS (view->document),
1771 switch (field_text->type) {
1772 case EV_FORM_FIELD_TEXT_FILE_SELECT:
1774 case EV_FORM_FIELD_TEXT_NORMAL:
1775 text = gtk_entry_new ();
1776 gtk_entry_set_has_frame (GTK_ENTRY (text), FALSE);
1777 gtk_entry_set_max_length (GTK_ENTRY (text), field_text->max_len);
1778 gtk_entry_set_visibility (GTK_ENTRY (text), !field_text->is_password);
1781 gtk_entry_set_text (GTK_ENTRY (text), txt);
1785 g_signal_connect (G_OBJECT (text), "changed",
1786 G_CALLBACK (ev_view_form_field_text_changed),
1788 g_signal_connect_after (G_OBJECT (text), "activate",
1789 G_CALLBACK (ev_view_form_field_destroy),
1792 case EV_FORM_FIELD_TEXT_MULTILINE: {
1793 GtkTextBuffer *buffer;
1795 text = gtk_text_view_new ();
1796 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text));
1799 gtk_text_buffer_set_text (buffer, txt, -1);
1803 g_signal_connect (G_OBJECT (buffer), "changed",
1804 G_CALLBACK (ev_view_form_field_text_changed),
1810 g_object_weak_ref (G_OBJECT (text),
1811 (GWeakNotify)ev_view_form_field_text_save,
1818 ev_view_form_field_choice_save (EvView *view,
1823 if (!view->document)
1826 field = g_object_get_data (G_OBJECT (widget), "form-field");
1828 if (field->changed) {
1830 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
1831 GdkRegion *field_region;
1833 field_region = ev_view_form_field_get_region (view, field);
1835 if (field_choice->is_editable) {
1836 ev_document_forms_form_field_choice_set_text (EV_DOCUMENT_FORMS (view->document),
1837 field, field_choice->text);
1839 ev_document_forms_form_field_choice_unselect_all (EV_DOCUMENT_FORMS (view->document), field);
1840 for (l = field_choice->selected_items; l; l = g_list_next (l)) {
1841 ev_document_forms_form_field_choice_select_item (EV_DOCUMENT_FORMS (view->document),
1843 GPOINTER_TO_INT (l->data));
1846 field->changed = FALSE;
1847 ev_view_reload_page (view, field->page->index, field_region);
1848 gdk_region_destroy (field_region);
1853 ev_view_form_field_choice_changed (GtkWidget *widget,
1856 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
1858 if (GTK_IS_COMBO_BOX (widget)) {
1861 item = gtk_combo_box_get_active (GTK_COMBO_BOX (widget));
1862 if (!field_choice->selected_items ||
1863 GPOINTER_TO_INT (field_choice->selected_items->data) != item) {
1864 g_list_free (field_choice->selected_items);
1865 field_choice->selected_items = NULL;
1866 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1867 GINT_TO_POINTER (item));
1868 field->changed = TRUE;
1871 if (GTK_IS_COMBO_BOX_ENTRY (widget)) {
1874 text = gtk_combo_box_get_active_text (GTK_COMBO_BOX (widget));
1875 if (!field_choice->text ||
1876 (field_choice->text && g_ascii_strcasecmp (field_choice->text, text) != 0)) {
1877 g_free (field_choice->text);
1878 field_choice->text = text;
1879 field->changed = TRUE;
1882 } else if (GTK_IS_TREE_SELECTION (widget)) {
1883 GtkTreeSelection *selection = GTK_TREE_SELECTION (widget);
1884 GtkTreeModel *model;
1887 items = gtk_tree_selection_get_selected_rows (selection, &model);
1888 g_list_free (field_choice->selected_items);
1889 field_choice->selected_items = NULL;
1891 for (l = items; l && l->data; l = g_list_next (l)) {
1893 GtkTreePath *path = (GtkTreePath *)l->data;
1896 gtk_tree_model_get_iter (model, &iter, path);
1897 gtk_tree_model_get (model, &iter, 1, &item, -1);
1899 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1900 GINT_TO_POINTER (item));
1902 gtk_tree_path_free (path);
1905 g_list_free (items);
1907 field->changed = TRUE;
1912 ev_view_form_field_choice_create_widget (EvView *view,
1915 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
1917 GtkTreeModel *model;
1919 gint selected_item = 0;
1921 n_items = ev_document_forms_form_field_choice_get_n_items (EV_DOCUMENT_FORMS (view->document),
1923 model = GTK_TREE_MODEL (gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT));
1924 for (i = 0; i < n_items; i++) {
1928 item = ev_document_forms_form_field_choice_get_item (EV_DOCUMENT_FORMS (view->document),
1930 if (ev_document_forms_form_field_choice_is_item_selected (
1931 EV_DOCUMENT_FORMS (view->document), field, i)) {
1933 /* FIXME: we need a get_selected_items function in poppler */
1934 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1935 GINT_TO_POINTER (i));
1939 gtk_list_store_append (GTK_LIST_STORE (model), &iter);
1940 gtk_list_store_set (GTK_LIST_STORE (model), &iter,
1948 if (field_choice->type == EV_FORM_FIELD_CHOICE_LIST) {
1949 GtkCellRenderer *renderer;
1950 GtkWidget *tree_view;
1951 GtkTreeSelection *selection;
1953 tree_view = gtk_tree_view_new_with_model (model);
1954 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);
1956 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
1957 if (field_choice->multi_select) {
1958 gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
1961 /* TODO: set selected items */
1963 renderer = gtk_cell_renderer_text_new ();
1964 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
1970 choice = gtk_scrolled_window_new (NULL, NULL);
1971 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (choice),
1972 GTK_POLICY_AUTOMATIC,
1973 GTK_POLICY_AUTOMATIC);
1974 gtk_container_add (GTK_CONTAINER (choice), tree_view);
1975 gtk_widget_show (tree_view);
1977 g_signal_connect (G_OBJECT (selection), "changed",
1978 G_CALLBACK (ev_view_form_field_choice_changed),
1980 g_signal_connect_after (G_OBJECT (selection), "changed",
1981 G_CALLBACK (ev_view_form_field_destroy),
1983 } else if (field_choice->is_editable) { /* ComboBoxEntry */
1986 choice = gtk_combo_box_entry_new_with_model (model, 0);
1987 text = ev_document_forms_form_field_choice_get_text (EV_DOCUMENT_FORMS (view->document), field);
1989 gtk_entry_set_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (choice))), text);
1993 g_signal_connect (G_OBJECT (choice), "changed",
1994 G_CALLBACK (ev_view_form_field_choice_changed),
1996 g_signal_connect_after (G_OBJECT (GTK_BIN (choice)->child), "activate",
1997 G_CALLBACK (ev_view_form_field_destroy),
1999 } else { /* ComboBoxText */
2000 GtkCellRenderer *renderer;
2002 choice = gtk_combo_box_new_with_model (model);
2003 renderer = gtk_cell_renderer_text_new ();
2004 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (choice),
2006 gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (choice),
2010 gtk_combo_box_set_active (GTK_COMBO_BOX (choice), selected_item);
2011 gtk_combo_box_popup (GTK_COMBO_BOX (choice));
2013 g_signal_connect (G_OBJECT (choice), "changed",
2014 G_CALLBACK (ev_view_form_field_choice_changed),
2016 g_signal_connect_after (G_OBJECT (choice), "changed",
2017 G_CALLBACK (ev_view_form_field_destroy),
2021 g_object_unref (model);
2023 g_object_weak_ref (G_OBJECT (choice),
2024 (GWeakNotify)ev_view_form_field_choice_save,
2031 ev_view_handle_form_field (EvView *view,
2036 GtkWidget *field_widget = NULL;
2037 GList *form_field_mapping;
2038 EvRectangle field_area;
2039 GdkRectangle view_area;
2041 if (field->is_read_only)
2044 if (EV_IS_FORM_FIELD_BUTTON (field)) {
2045 field_widget = ev_view_form_field_button_create_widget (view, field);
2046 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
2047 field_widget = ev_view_form_field_text_create_widget (view, field);
2048 } else if (EV_IS_FORM_FIELD_CHOICE (field)) {
2049 field_widget = ev_view_form_field_choice_create_widget (view, field);
2050 } else if (EV_IS_FORM_FIELD_SIGNATURE (field)) {
2054 /* Form field doesn't require a widget */
2058 g_object_set_data_full (G_OBJECT (field_widget), "form-field",
2059 g_object_ref (field),
2060 (GDestroyNotify)g_object_unref);
2062 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, field->page->index);
2063 ev_form_field_mapping_get_area (form_field_mapping, field, &field_area);
2065 doc_rect_to_view_rect (view, field->page->index, &field_area, &view_area);
2066 view_area.x -= view->scroll_x;
2067 view_area.y -= view->scroll_y;
2069 gtk_layout_put (GTK_LAYOUT (view), field_widget, view_area.x, view_area.y);
2070 gtk_widget_show (field_widget);
2071 gtk_widget_grab_focus (field_widget);
2074 /*** GtkWidget implementation ***/
2077 ev_view_size_request_continuous_dual_page (EvView *view,
2078 GtkRequisition *requisition)
2084 ev_page_cache_get_max_width (view->page_cache, view->rotation,
2085 view->scale, &max_width);
2086 compute_border (view, max_width, max_width, &border);
2088 n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1;
2090 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
2091 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
2093 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2094 requisition->width = 1;
2095 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2096 requisition->width = 1;
2097 /* FIXME: This could actually be set on one page docs or docs
2098 * with a strange aspect ratio. */
2099 /* requisition->height = 1;*/
2104 ev_view_size_request_continuous (EvView *view,
2105 GtkRequisition *requisition)
2112 ev_page_cache_get_max_width (view->page_cache, view->rotation,
2113 view->scale, &max_width);
2114 n_pages = ev_page_cache_get_n_pages (view->page_cache);
2115 compute_border (view, max_width, max_width, &border);
2117 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
2118 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
2120 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2121 requisition->width = 1;
2122 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2123 requisition->width = 1;
2124 /* FIXME: This could actually be set on one page docs or docs
2125 * with a strange aspect ratio. */
2126 /* requisition->height = 1;*/
2131 ev_view_size_request_dual_page (EvView *view,
2132 GtkRequisition *requisition)
2137 /* Find the largest of the two. */
2138 ev_page_cache_get_size (view->page_cache,
2143 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) {
2144 gint width_2, height_2;
2145 ev_page_cache_get_size (view->page_cache,
2146 view->current_page + 1,
2149 &width_2, &height_2);
2150 if (width_2 > width) {
2155 compute_border (view, width, height, &border);
2157 requisition->width = ((width + border.left + border.right) * 2) +
2158 (view->spacing * 3);
2159 requisition->height = (height + border.top + border.bottom) +
2160 (view->spacing * 2);
2162 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2163 requisition->width = 1;
2164 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2165 requisition->width = 1;
2166 requisition->height = 1;
2171 ev_view_size_request_single_page (EvView *view,
2172 GtkRequisition *requisition)
2177 ev_page_cache_get_size (view->page_cache,
2182 compute_border (view, width, height, &border);
2184 requisition->width = width + border.left + border.right + (2 * view->spacing);
2185 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2187 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2188 requisition->width = 1;
2189 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2190 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2191 requisition->width = 1;
2192 requisition->height = 1;
2197 ev_view_size_request (GtkWidget *widget,
2198 GtkRequisition *requisition)
2200 EvView *view = EV_VIEW (widget);
2202 if (view->document == NULL) {
2203 requisition->width = 1;
2204 requisition->height = 1;
2208 if (view->presentation) {
2209 requisition->width = 1;
2210 requisition->height = 1;
2214 if (view->continuous && view->dual_page)
2215 ev_view_size_request_continuous_dual_page (view, requisition);
2216 else if (view->continuous)
2217 ev_view_size_request_continuous (view, requisition);
2218 else if (view->dual_page)
2219 ev_view_size_request_dual_page (view, requisition);
2221 ev_view_size_request_single_page (view, requisition);
2225 ev_view_size_allocate (GtkWidget *widget,
2226 GtkAllocation *allocation)
2228 EvView *view = EV_VIEW (widget);
2229 GList *children, *l;
2231 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
2233 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2234 view->sizing_mode == EV_SIZING_BEST_FIT) {
2236 g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0);
2238 ev_view_size_request (widget, &widget->requisition);
2241 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
2242 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
2245 view_update_range_and_current_page (view);
2247 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2248 view->pending_resize = FALSE;
2250 children = gtk_container_get_children (GTK_CONTAINER (widget));
2251 for (l = children; l && l->data; l = g_list_next (l)) {
2253 EvRectangle field_area;
2254 GdkRectangle view_area;
2255 GList *form_field_mapping;
2256 GtkAllocation child_allocation;
2257 GtkRequisition child_requisition;
2258 GtkWidget *child = (GtkWidget *)l->data;
2260 field = g_object_get_data (G_OBJECT (child), "form-field");
2264 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
2265 field->page->index);
2266 ev_form_field_mapping_get_area (form_field_mapping, field, &field_area);
2268 doc_rect_to_view_rect (view, field->page->index, &field_area, &view_area);
2269 view_area.x -= view->scroll_x;
2270 view_area.y -= view->scroll_y;
2272 gtk_widget_size_request (child, &child_requisition);
2273 if (child_requisition.width != view_area.width ||
2274 child_requisition.height != view_area.height)
2275 gtk_widget_set_size_request (child, view_area.width, view_area.height);
2277 gtk_container_child_get (GTK_CONTAINER (widget),
2279 "x", &child_allocation.x,
2280 "y", &child_allocation.y,
2282 if (child_allocation.x != view_area.x ||
2283 child_allocation.y != view_area.y) {
2284 gtk_layout_move (GTK_LAYOUT (widget), child, view_area.x, view_area.y);
2287 g_list_free (children);
2291 ev_view_realize (GtkWidget *widget)
2293 EvView *view = EV_VIEW (widget);
2295 if (GTK_WIDGET_CLASS (ev_view_parent_class)->realize)
2296 (* GTK_WIDGET_CLASS (ev_view_parent_class)->realize) (widget);
2298 gdk_window_set_events (view->layout.bin_window,
2299 (gdk_window_get_events (view->layout.bin_window) |
2301 GDK_BUTTON_PRESS_MASK |
2302 GDK_BUTTON_RELEASE_MASK |
2304 GDK_KEY_PRESS_MASK |
2305 GDK_POINTER_MOTION_MASK |
2306 GDK_POINTER_MOTION_HINT_MASK |
2307 GDK_ENTER_NOTIFY_MASK |
2308 GDK_LEAVE_NOTIFY_MASK));
2310 if (view->presentation)
2311 gdk_window_set_background (view->layout.bin_window, &widget->style->black);
2313 gdk_window_set_background (view->layout.bin_window, &widget->style->mid [GTK_STATE_NORMAL]);
2317 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
2319 EvView *view = EV_VIEW (widget);
2322 state = event->state & gtk_accelerator_get_default_mod_mask ();
2324 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
2325 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
2327 if (event->direction == GDK_SCROLL_UP ||
2328 event->direction == GDK_SCROLL_LEFT) {
2329 if (ev_view_can_zoom_in (view)) {
2330 ev_view_zoom_in (view);
2333 if (ev_view_can_zoom_out (view)) {
2334 ev_view_zoom_out (view);
2341 view->jump_to_find_result = FALSE;
2343 /* Shift+Wheel scrolls the in the perpendicular direction */
2344 if (state & GDK_SHIFT_MASK) {
2345 if (event->direction == GDK_SCROLL_UP)
2346 event->direction = GDK_SCROLL_LEFT;
2347 else if (event->direction == GDK_SCROLL_LEFT)
2348 event->direction = GDK_SCROLL_UP;
2349 else if (event->direction == GDK_SCROLL_DOWN)
2350 event->direction = GDK_SCROLL_RIGHT;
2351 else if (event->direction == GDK_SCROLL_RIGHT)
2352 event->direction = GDK_SCROLL_DOWN;
2354 event->state &= ~GDK_SHIFT_MASK;
2355 state &= ~GDK_SHIFT_MASK;
2358 if (state == 0 && view->presentation) {
2359 switch (event->direction) {
2360 case GDK_SCROLL_DOWN:
2361 case GDK_SCROLL_RIGHT:
2362 ev_view_next_page (view);
2365 case GDK_SCROLL_LEFT:
2366 ev_view_previous_page (view);
2376 static EvViewSelection *
2377 find_selection_for_page (EvView *view,
2382 for (list = view->selection_info.selections; list != NULL; list = list->next) {
2383 EvViewSelection *selection;
2385 selection = (EvViewSelection *) list->data;
2387 if (selection->page == page)
2395 draw_end_presentation_page (EvView *view,
2396 GdkRectangle *page_area)
2398 PangoLayout *layout;
2399 PangoFontDescription *font_desc;
2401 const gchar *text = _("End of presentation. Press Escape to exit.");
2403 if (view->presentation_state != EV_PRESENTATION_END)
2406 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), NULL);
2407 markup = g_strdup_printf ("<span foreground=\"white\">%s</span>", text);
2408 pango_layout_set_markup (layout, markup, -1);
2411 font_desc = pango_font_description_new ();
2412 pango_font_description_set_size (font_desc, 16 * PANGO_SCALE);
2413 pango_layout_set_font_description (layout, font_desc);
2415 gtk_paint_layout (GTK_WIDGET (view)->style,
2416 view->layout.bin_window,
2417 GTK_WIDGET_STATE (view),
2426 pango_font_description_free (font_desc);
2427 g_object_unref (layout);
2431 ev_view_expose_event (GtkWidget *widget,
2432 GdkEventExpose *event)
2434 EvView *view = EV_VIEW (widget);
2438 if (view->animation && ev_transition_animation_ready (view->animation)) {
2439 GdkRectangle page_area;
2442 if (get_page_extents (view, view->current_page, &page_area, &border)) {
2443 cr = gdk_cairo_create (view->layout.bin_window);
2445 /* normalize to x=0, y=0 */
2446 cairo_translate (cr, page_area.x, page_area.y);
2447 page_area.x = page_area.y = 0;
2449 ev_transition_animation_paint (view->animation, cr, page_area);
2456 if (view->presentation) {
2457 switch (view->presentation_state) {
2458 case EV_PRESENTATION_END: {
2459 GdkRectangle area = {0};
2461 area.width = widget->allocation.width;
2462 area.height = widget->allocation.height;
2464 draw_end_presentation_page (view, &area);
2467 case EV_PRESENTATION_BLACK:
2468 case EV_PRESENTATION_WHITE:
2470 case EV_PRESENTATION_NORMAL:
2474 } else if (view->loading) {
2475 GdkRectangle area = {0};
2477 area.width = widget->allocation.width;
2478 area.height = widget->allocation.height;
2480 draw_loading_text (view,
2485 if (view->document == NULL)
2488 cr = gdk_cairo_create (view->layout.bin_window);
2490 for (i = view->start_page; i <= view->end_page; i++) {
2491 GdkRectangle page_area;
2493 gboolean page_ready = TRUE;
2495 if (!get_page_extents (view, i, &page_area, &border))
2498 page_area.x -= view->scroll_x;
2499 page_area.y -= view->scroll_y;
2501 draw_one_page (view, i, cr, &page_area, &border, &(event->area), &page_ready);
2503 if (page_ready && view->find_pages && view->highlight_find_results)
2504 highlight_find_results (view, i);
2509 if (GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event)
2510 (* GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) (widget, event);
2516 ev_view_do_popup_menu (EvView *view,
2523 image = ev_view_get_image_at_location (view, x, y);
2525 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, image);
2529 link = ev_view_get_link_at_location (view, x, y);
2531 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
2535 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, NULL);
2541 ev_view_popup_menu (GtkWidget *widget)
2545 gtk_widget_get_pointer (widget, &x, &y);
2546 return ev_view_do_popup_menu (EV_VIEW (widget), x, y);
2550 get_link_area (EvView *view,
2556 EvRectangle ev_rect;
2557 GList *link_mapping;
2559 gint x_offset = 0, y_offset = 0;
2561 x += view->scroll_x;
2562 y += view->scroll_y;
2564 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
2566 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
2567 ev_link_mapping_get_area (link_mapping, link, &ev_rect);
2569 doc_rect_to_view_rect (view, page, &ev_rect, area);
2570 area->y -= view->scroll_y ;
2574 ev_view_query_tooltip (GtkWidget *widget,
2577 gboolean keyboard_tip,
2578 GtkTooltip *tooltip)
2580 EvView *view = EV_VIEW (widget);
2584 link = ev_view_get_link_at_location (view, x, y);
2588 text = tip_from_link (view, link);
2589 if (text && g_utf8_validate (text, -1, NULL)) {
2590 GdkRectangle link_area;
2592 get_link_area (view, x, y, link, &link_area);
2593 gtk_tooltip_set_text (tooltip, text);
2594 gtk_tooltip_set_tip_area (tooltip, &link_area);
2602 start_selection_for_event (EvView *view,
2603 GdkEventButton *event)
2605 EvSelectionStyle style;
2607 clear_selection (view);
2609 view->selection_info.start.x = event->x + view->scroll_x;
2610 view->selection_info.start.y = event->y + view->scroll_y;
2612 switch (event->type) {
2613 case GDK_2BUTTON_PRESS:
2614 style = EV_SELECTION_STYLE_WORD;
2616 case GDK_3BUTTON_PRESS:
2617 style = EV_SELECTION_STYLE_LINE;
2620 style = EV_SELECTION_STYLE_GLYPH;
2624 view->selection_info.style = style;
2628 ev_view_button_press_event (GtkWidget *widget,
2629 GdkEventButton *event)
2631 EvView *view = EV_VIEW (widget);
2633 if (!view->document)
2636 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
2637 gtk_widget_grab_focus (widget);
2640 view->pressed_button = event->button;
2641 view->selection_info.in_drag = FALSE;
2643 if (view->scroll_info.autoscrolling)
2646 switch (event->button) {
2651 if (EV_IS_SELECTION (view->document) && view->selection_info.selections) {
2652 if (event->type == GDK_3BUTTON_PRESS) {
2653 start_selection_for_event (view, event);
2654 } else if (location_in_selected_text (view,
2655 event->x + view->scroll_x,
2656 event->y + view->scroll_y)) {
2657 view->selection_info.in_drag = TRUE;
2659 start_selection_for_event (view, event);
2662 gtk_widget_queue_draw (widget);
2663 } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) {
2664 ev_view_remove_all (view);
2665 ev_view_handle_form_field (view, field, event->x, event->y);
2666 } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) &&
2667 (image = ev_view_get_image_at_location (view, event->x, event->y))) {
2668 if (view->image_dnd_info.image)
2669 g_object_unref (view->image_dnd_info.image);
2670 view->image_dnd_info.image = g_object_ref (image);
2671 view->image_dnd_info.in_drag = TRUE;
2673 view->image_dnd_info.start.x = event->x + view->scroll_x;
2674 view->image_dnd_info.start.y = event->y + view->scroll_y;
2676 ev_view_remove_all (view);
2678 if (EV_IS_SELECTION (view->document))
2679 start_selection_for_event (view, event);
2684 /* use root coordinates as reference point because
2685 * scrolling changes window relative coordinates */
2686 view->drag_info.start.x = event->x_root;
2687 view->drag_info.start.y = event->y_root;
2688 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
2689 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
2691 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
2695 view->scroll_info.start_y = event->y;
2696 return ev_view_do_popup_menu (view, event->x, event->y);
2703 ev_view_remove_all (EvView *view)
2705 GList *children, *child;
2707 children = gtk_container_get_children (GTK_CONTAINER (view));
2708 for (child = children; child && child->data; child = g_list_next (child)) {
2709 gtk_container_remove (GTK_CONTAINER (view),
2710 GTK_WIDGET (child->data));
2712 g_list_free (children);
2715 /*** Drag and Drop ***/
2717 ev_view_drag_data_get (GtkWidget *widget,
2718 GdkDragContext *context,
2719 GtkSelectionData *selection_data,
2723 EvView *view = EV_VIEW (widget);
2726 case TARGET_DND_TEXT:
2727 if (EV_IS_SELECTION (view->document) &&
2728 view->selection_info.selections) {
2731 text = get_selected_text (view);
2732 gtk_selection_data_set_text (selection_data,
2738 case TARGET_DND_IMAGE:
2739 if (view->image_dnd_info.image) {
2742 ev_document_doc_mutex_lock ();
2743 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
2744 view->image_dnd_info.image);
2745 ev_document_doc_mutex_unlock ();
2747 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
2748 g_object_unref (pixbuf);
2751 case TARGET_DND_URI:
2752 if (view->image_dnd_info.image) {
2754 const gchar *tmp_uri;
2757 ev_document_doc_mutex_lock ();
2758 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
2759 view->image_dnd_info.image);
2760 ev_document_doc_mutex_unlock ();
2762 tmp_uri = ev_image_save_tmp (view->image_dnd_info.image, pixbuf);
2763 g_object_unref (pixbuf);
2765 uris = g_new0 (gchar *, 2);
2766 uris[0] = (gchar *)tmp_uri;
2768 gtk_selection_data_set_uris (selection_data, uris);
2770 /* g_free instead of g_strfreev since tmp_uri is const */
2777 ev_view_drag_motion (GtkWidget *widget,
2778 GdkDragContext *context,
2783 if (gtk_drag_get_source_widget (context) == widget)
2784 gdk_drag_status (context, 0, time);
2786 gdk_drag_status (context, context->suggested_action, time);
2792 selection_update_idle_cb (EvView *view)
2794 compute_selections (view,
2795 view->selection_info.style,
2796 &view->selection_info.start,
2798 view->selection_update_id = 0;
2803 selection_scroll_timeout_cb (EvView *view)
2805 gint x, y, shift = 0;
2806 GtkWidget *widget = GTK_WIDGET (view);
2808 gtk_widget_get_pointer (widget, &x, &y);
2810 if (y > widget->allocation.height) {
2811 shift = (y - widget->allocation.height) / 2;
2817 gtk_adjustment_set_value (view->vadjustment,
2818 CLAMP (view->vadjustment->value + shift,
2819 view->vadjustment->lower,
2820 view->vadjustment->upper -
2821 view->vadjustment->page_size));
2823 if (x > widget->allocation.width) {
2824 shift = (x - widget->allocation.width) / 2;
2830 gtk_adjustment_set_value (view->hadjustment,
2831 CLAMP (view->hadjustment->value + shift,
2832 view->hadjustment->lower,
2833 view->hadjustment->upper -
2834 view->hadjustment->page_size));
2840 ev_view_drag_update_momentum (EvView *view)
2843 if (!view->drag_info.in_drag)
2846 for (i = DRAG_HISTORY - 1; i > 0; i--) {
2847 view->drag_info.buffer[i].x = view->drag_info.buffer[i-1].x;
2848 view->drag_info.buffer[i].y = view->drag_info.buffer[i-1].y;
2851 /* Momentum is a moving average of 10ms granularity over
2852 * the last 100ms with each 10ms stored in buffer.
2855 view->drag_info.momentum.x = (view->drag_info.buffer[DRAG_HISTORY - 1].x - view->drag_info.buffer[0].x);
2856 view->drag_info.momentum.y = (view->drag_info.buffer[DRAG_HISTORY - 1].y - view->drag_info.buffer[0].y);
2862 ev_view_scroll_drag_release (EvView *view)
2864 gdouble dhadj_value, dvadj_value;
2865 gdouble oldhadjustment, oldvadjustment;
2867 view->drag_info.momentum.x /= 1.2;
2868 view->drag_info.momentum.y /= 1.2; /* Alter these constants to change "friction" */
2870 dhadj_value = view->hadjustment->page_size *
2871 (gdouble)view->drag_info.momentum.x / GTK_WIDGET (view)->allocation.width;
2872 dvadj_value = view->vadjustment->page_size *
2873 (gdouble)view->drag_info.momentum.y / GTK_WIDGET (view)->allocation.height;
2875 oldhadjustment = gtk_adjustment_get_value (view->hadjustment);
2876 oldvadjustment = gtk_adjustment_get_value (view->vadjustment);
2878 if (((oldhadjustment + dhadj_value) > (view->hadjustment->upper - view->hadjustment->page_size)) ||
2879 ((oldhadjustment + dhadj_value) < 0))
2880 view->drag_info.momentum.x *= -0.5; /* 0.5 rather than 1 means the edges absorb some momentum */
2881 if (((oldvadjustment + dvadj_value) > (view->vadjustment->upper - view->vadjustment->page_size)) ||
2882 ((oldvadjustment + dvadj_value) < 0))
2883 view->drag_info.momentum.y *= -0.5;
2885 gtk_adjustment_set_value (view->hadjustment,
2886 MIN (oldhadjustment + dhadj_value,
2887 view->hadjustment->upper - view->hadjustment->page_size));
2888 gtk_adjustment_set_value (view->vadjustment,
2889 MIN (oldvadjustment + dvadj_value,
2890 view->vadjustment->upper - view->vadjustment->page_size));
2892 if (((view->drag_info.momentum.x < 1) && (view->drag_info.momentum.x > -1)) &&
2893 ((view->drag_info.momentum.y < 1) && (view->drag_info.momentum.y > -1)))
2900 ev_view_motion_notify_event (GtkWidget *widget,
2901 GdkEventMotion *event)
2903 EvView *view = EV_VIEW (widget);
2906 if (!view->document)
2910 if (event->is_hint || event->window != view->layout.bin_window) {
2911 gtk_widget_get_pointer (widget, &x, &y);
2917 if (view->scroll_info.autoscrolling) {
2918 view->scroll_info.last_y = y;
2922 if (view->selection_info.in_drag) {
2923 if (gtk_drag_check_threshold (widget,
2924 view->selection_info.start.x,
2925 view->selection_info.start.y,
2927 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
2929 gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT);
2931 gtk_drag_begin (widget, target_list,
2933 1, (GdkEvent *)event);
2935 view->selection_info.in_drag = FALSE;
2937 gtk_target_list_unref (target_list);
2941 } else if (view->image_dnd_info.in_drag) {
2942 if (gtk_drag_check_threshold (widget,
2943 view->selection_info.start.x,
2944 view->selection_info.start.y,
2946 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
2948 gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI);
2949 gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE);
2951 gtk_drag_begin (widget, target_list,
2953 1, (GdkEvent *)event);
2955 view->image_dnd_info.in_drag = FALSE;
2957 gtk_target_list_unref (target_list);
2963 switch (view->pressed_button) {
2965 /* For the Evince 0.4.x release, we limit selection to un-rotated
2968 if (view->rotation != 0)
2971 /* Schedule timeout to scroll during selection and additionally
2972 * scroll once to allow arbitrary speed. */
2973 if (!view->selection_scroll_id)
2974 view->selection_scroll_id = g_timeout_add (SCROLL_TIME,
2975 (GSourceFunc)selection_scroll_timeout_cb,
2978 selection_scroll_timeout_cb (view);
2980 view->selection_info.in_selection = TRUE;
2981 view->motion.x = x + view->scroll_x;
2982 view->motion.y = y + view->scroll_y;
2984 /* Queue an idle to handle the motion. We do this because
2985 * handling any selection events in the motion could be slower
2986 * than new motion events reach us. We always put it in the
2987 * idle to make sure we catch up and don't visibly lag the
2989 if (!view->selection_update_id)
2990 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
2994 if (!view->drag_info.in_drag) {
2998 start = gtk_drag_check_threshold (widget,
2999 view->drag_info.start.x,
3000 view->drag_info.start.y,
3003 view->drag_info.in_drag = start;
3004 view->drag_info.drag_timeout_id = g_timeout_add (10,
3005 (GSourceFunc)ev_view_drag_update_momentum, view);
3006 /* Set 100 to choose how long it takes to build up momentum */
3007 /* Clear out previous momentum info: */
3008 for (i = 0; i < DRAG_HISTORY; i++) {
3009 view->drag_info.buffer[i].x = event->x;
3010 view->drag_info.buffer[i].y = event->y;
3012 view->drag_info.momentum.x = 0;
3013 view->drag_info.momentum.y = 0;
3016 if (view->drag_info.in_drag) {
3018 gdouble dhadj_value, dvadj_value;
3020 view->drag_info.buffer[0].x = event->x;
3021 view->drag_info.buffer[0].y = event->y;
3023 dx = event->x_root - view->drag_info.start.x;
3024 dy = event->y_root - view->drag_info.start.y;
3026 dhadj_value = view->hadjustment->page_size *
3027 (gdouble)dx / widget->allocation.width;
3028 dvadj_value = view->vadjustment->page_size *
3029 (gdouble)dy / widget->allocation.height;
3031 /* clamp scrolling to visible area */
3032 gtk_adjustment_set_value (view->hadjustment,
3033 MIN(view->drag_info.hadj - dhadj_value,
3034 view->hadjustment->upper -
3035 view->hadjustment->page_size));
3036 gtk_adjustment_set_value (view->vadjustment,
3037 MIN(view->drag_info.vadj - dvadj_value,
3038 view->vadjustment->upper -
3039 view->vadjustment->page_size));
3046 ev_view_handle_cursor_over_xy (view, x, y);
3053 ev_view_button_release_event (GtkWidget *widget,
3054 GdkEventButton *event)
3056 EvView *view = EV_VIEW (widget);
3057 EvLink *link = NULL;
3059 view->image_dnd_info.in_drag = FALSE;
3061 if (view->scroll_info.autoscrolling) {
3062 ev_view_autoscroll_stop (view);
3063 view->pressed_button = -1;
3068 if (view->drag_info.in_drag) {
3069 view->drag_info.release_timeout_id =
3071 (GSourceFunc)ev_view_scroll_drag_release, view);
3074 if (view->document && !view->drag_info.in_drag && view->pressed_button != 3) {
3075 link = ev_view_get_link_at_location (view, event->x, event->y);
3078 view->drag_info.in_drag = FALSE;
3080 if (view->pressed_button == 2) {
3081 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3084 view->pressed_button = -1;
3086 if (view->selection_scroll_id) {
3087 g_source_remove (view->selection_scroll_id);
3088 view->selection_scroll_id = 0;
3090 if (view->selection_update_id) {
3091 g_source_remove (view->selection_update_id);
3092 view->selection_update_id = 0;
3095 if (!view->selection_info.in_selection &&
3096 view->selection_info.style != EV_SELECTION_STYLE_GLYPH) {
3097 compute_selections (view,
3098 view->selection_info.style,
3099 &(view->selection_info.start),
3100 &(view->selection_info.start));
3103 if (view->selection_info.selections) {
3104 clear_link_selected (view);
3105 ev_view_update_primary_selection (view);
3107 if (view->selection_info.in_drag) {
3108 clear_selection (view);
3109 gtk_widget_queue_draw (widget);
3112 view->selection_info.in_drag = FALSE;
3114 if (event->button == 2) {
3115 EvLinkAction *action;
3116 EvLinkActionType type;
3118 action = ev_link_get_action (link);
3122 type = ev_link_action_get_action_type (action);
3123 if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
3124 g_signal_emit (view,
3125 signals[SIGNAL_EXTERNAL_LINK],
3129 ev_view_handle_link (view, link);
3131 } else if (view->presentation) {
3132 switch (event->button) {
3134 ev_view_next_page (view);
3137 ev_view_previous_page (view);
3146 /* Cut and paste from gtkwindow.c */
3148 send_focus_change (GtkWidget *widget,
3151 GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE);
3153 g_object_ref (widget);
3156 GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
3158 GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
3160 fevent->focus_change.type = GDK_FOCUS_CHANGE;
3161 fevent->focus_change.window = g_object_ref (widget->window);
3162 fevent->focus_change.in = in;
3164 gtk_widget_event (widget, fevent);
3166 g_object_notify (G_OBJECT (widget), "has-focus");
3168 g_object_unref (widget);
3169 gdk_event_free (fevent);
3173 ev_view_goto_window_hide (EvView *view)
3175 /* send focus-in event */
3176 send_focus_change (view->goto_entry, FALSE);
3177 gtk_widget_hide (view->goto_window);
3178 gtk_entry_set_text (GTK_ENTRY (view->goto_entry), "");
3182 ev_view_goto_window_delete_event (GtkWidget *widget,
3186 ev_view_goto_window_hide (view);
3192 key_is_numeric (guint keyval)
3194 return ((keyval >= GDK_0 && keyval <= GDK_9) ||
3195 (keyval >= GDK_KP_0 && keyval <= GDK_KP_9));
3199 ev_view_goto_window_key_press_event (GtkWidget *widget,
3203 switch (event->keyval) {
3207 case GDK_ISO_Left_Tab:
3208 ev_view_goto_window_hide (view);
3217 if (!key_is_numeric (event->keyval))
3225 ev_view_goto_window_button_press_event (GtkWidget *widget,
3226 GdkEventButton *event,
3229 ev_view_goto_window_hide (view);
3235 ev_view_goto_entry_activate (GtkEntry *entry,
3241 text = gtk_entry_get_text (entry);
3242 page = atoi (text) - 1;
3244 ev_view_goto_window_hide (view);
3247 page < ev_page_cache_get_n_pages (view->page_cache))
3248 ev_page_cache_set_current_page (view->page_cache, page);
3252 ev_view_goto_window_create (EvView *view)
3254 GtkWidget *frame, *hbox, *toplevel, *label;
3256 toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view));
3258 if (view->goto_window) {
3259 if (GTK_WINDOW (toplevel)->group)
3260 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
3261 GTK_WINDOW (view->goto_window));
3262 else if (GTK_WINDOW (view->goto_window)->group)
3263 gtk_window_group_remove_window (GTK_WINDOW (view->goto_window)->group,
3264 GTK_WINDOW (view->goto_window));
3268 view->goto_window = gtk_window_new (GTK_WINDOW_POPUP);
3270 if (GTK_WINDOW (toplevel)->group)
3271 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
3272 GTK_WINDOW (view->goto_window));
3274 gtk_window_set_modal (GTK_WINDOW (view->goto_window), TRUE);
3276 g_signal_connect (view->goto_window, "delete_event",
3277 G_CALLBACK (ev_view_goto_window_delete_event),
3279 g_signal_connect (view->goto_window, "key_press_event",
3280 G_CALLBACK (ev_view_goto_window_key_press_event),
3282 g_signal_connect (view->goto_window, "button_press_event",
3283 G_CALLBACK (ev_view_goto_window_button_press_event),
3286 frame = gtk_frame_new (NULL);
3287 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
3288 gtk_container_add (GTK_CONTAINER (view->goto_window), frame);
3289 gtk_widget_show (frame);
3291 hbox = gtk_hbox_new (FALSE, 0);
3292 gtk_container_set_border_width (GTK_CONTAINER (hbox), 3);
3293 gtk_container_add (GTK_CONTAINER (frame), hbox);
3294 gtk_widget_show (hbox);
3296 label = gtk_label_new(_("Jump to page:"));
3297 gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 3);
3298 gtk_widget_show (label);
3299 gtk_widget_realize (label);
3301 view->goto_entry = gtk_entry_new ();
3302 g_signal_connect (view->goto_entry, "activate",
3303 G_CALLBACK (ev_view_goto_entry_activate),
3305 gtk_box_pack_start (GTK_BOX (hbox), view->goto_entry, TRUE, TRUE, 0);
3306 gtk_widget_show (view->goto_entry);
3307 gtk_widget_realize (view->goto_entry);
3311 ev_view_goto_entry_grab_focus (EvView *view)
3313 GtkWidgetClass *entry_parent_class;
3315 entry_parent_class = g_type_class_peek_parent (GTK_ENTRY_GET_CLASS (view->goto_entry));
3316 (entry_parent_class->grab_focus) (view->goto_entry);
3318 send_focus_change (view->goto_entry, TRUE);
3322 ev_view_goto_window_send_key_event (EvView *view,
3325 GdkEventKey *new_event;
3328 /* Move goto window off screen */
3329 screen = gtk_widget_get_screen (GTK_WIDGET (view));
3330 gtk_window_move (GTK_WINDOW (view->goto_window),
3331 gdk_screen_get_width (screen) + 1,
3332 gdk_screen_get_height (screen) + 1);
3333 gtk_widget_show (view->goto_window);
3335 new_event = (GdkEventKey *) gdk_event_copy (event);
3336 g_object_unref (new_event->window);
3337 new_event->window = g_object_ref (view->goto_window->window);
3338 gtk_widget_realize (view->goto_window);
3340 gtk_widget_event (view->goto_window, (GdkEvent *)new_event);
3341 gdk_event_free ((GdkEvent *)new_event);
3342 gtk_widget_hide (view->goto_window);
3346 ev_view_key_press_event (GtkWidget *widget,
3349 EvView *view = EV_VIEW (widget);
3350 EvPresentationState current;
3352 if (!view->document)
3355 if (!view->presentation ||
3356 view->presentation_state == EV_PRESENTATION_END)
3357 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3360 current = view->presentation_state;
3362 switch (event->keyval) {
3366 case GDK_KP_Decimal:
3367 view->presentation_state =
3368 (view->presentation_state == EV_PRESENTATION_BLACK) ?
3369 EV_PRESENTATION_NORMAL : EV_PRESENTATION_BLACK;
3373 view->presentation_state =
3374 (view->presentation_state == EV_PRESENTATION_WHITE) ?
3375 EV_PRESENTATION_NORMAL : EV_PRESENTATION_WHITE;
3378 if (view->presentation_state == EV_PRESENTATION_BLACK ||
3379 view->presentation_state == EV_PRESENTATION_WHITE) {
3380 view->presentation_state = EV_PRESENTATION_NORMAL;
3384 if (current == view->presentation_state) {
3385 if (ev_page_cache_get_n_pages (view->page_cache) > 1 &&
3386 key_is_numeric (event->keyval)) {
3389 ev_view_goto_window_create (view);
3390 ev_view_goto_window_send_key_event (view, (GdkEvent *)event);
3391 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
3392 gtk_window_move (GTK_WINDOW (view->goto_window), x, y);
3393 gtk_widget_show (view->goto_window);
3394 ev_view_goto_entry_grab_focus (view);
3399 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3402 switch (view->presentation_state) {
3403 case EV_PRESENTATION_NORMAL:
3404 case EV_PRESENTATION_BLACK:
3405 gdk_window_set_background (view->layout.bin_window,
3406 &widget->style->black);
3408 case EV_PRESENTATION_WHITE:
3409 gdk_window_set_background (view->layout.bin_window,
3410 &widget->style->white);
3413 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3416 gtk_widget_queue_draw (widget);
3421 ev_view_focus_in (GtkWidget *widget,
3422 GdkEventFocus *event)
3424 if (EV_VIEW (widget)->pixbuf_cache)
3425 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3426 gtk_widget_queue_draw (widget);
3432 ev_view_focus_out (GtkWidget *widget,
3433 GdkEventFocus *event)
3435 if (EV_VIEW (widget)->goto_window)
3436 ev_view_goto_window_hide (EV_VIEW (widget));
3438 if (EV_VIEW (widget)->pixbuf_cache)
3439 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3440 gtk_widget_queue_draw (widget);
3446 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3448 EvView *view = EV_VIEW (widget);
3450 if (view->cursor != EV_VIEW_CURSOR_NORMAL)
3451 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
3457 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3459 EvView *view = EV_VIEW (widget);
3461 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3467 ev_view_style_set (GtkWidget *widget,
3468 GtkStyle *old_style)
3470 if (EV_VIEW (widget)->pixbuf_cache)
3471 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3473 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
3479 ev_gdk_color_to_rgb (const GdkColor *color)
3482 result = (0xff0000 | (color->red & 0xff00));
3484 result |= ((color->green & 0xff00) | (color->blue >> 8));
3489 draw_rubberband (GtkWidget *widget, GdkWindow *window,
3490 const GdkRectangle *rect, guchar alpha)
3494 GdkColor *fill_color_gdk;
3497 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
3498 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
3500 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
3501 rect->width, rect->height);
3502 gdk_pixbuf_fill (pixbuf, fill_color);
3504 gdk_draw_pixbuf (window, NULL, pixbuf,
3506 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
3507 rect->width, rect->height,
3508 GDK_RGB_DITHER_NONE,
3511 g_object_unref (pixbuf);
3513 gc = gdk_gc_new (window);
3514 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
3515 gdk_draw_rectangle (window, gc, FALSE,
3516 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
3519 g_object_unref (gc);
3521 gdk_color_free (fill_color_gdk);
3526 highlight_find_results (EvView *view, int page)
3528 gint i, n_results = 0;
3530 n_results = ev_view_find_get_n_results (view, page);
3532 for (i = 0; i < n_results; i++) {
3533 EvRectangle *rectangle;
3534 GdkRectangle view_rectangle;
3537 if (i == view->find_result && page == view->current_page) {
3543 rectangle = ev_view_find_get_result (view, page, i);
3544 doc_rect_to_view_rect (view, page, rectangle, &view_rectangle);
3545 draw_rubberband (GTK_WIDGET (view), view->layout.bin_window,
3546 &view_rectangle, alpha);
3551 draw_loading_text (EvView *view,
3552 GdkRectangle *page_area,
3553 GdkRectangle *expose_area)
3558 if (!view->loading_text) {
3559 const gchar *loading_text = _("Loading...");
3560 PangoLayout *layout;
3561 PangoFontDescription *font_desc;
3562 PangoRectangle logical_rect;
3566 ev_document_fc_mutex_lock ();
3568 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
3570 font_desc = pango_font_description_new ();
3572 /* We set the font to be 10 points, get the size, and scale appropriately */
3573 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
3574 pango_layout_set_font_description (layout, font_desc);
3575 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
3577 target_width = MAX (page_area->width / 2, 1);
3578 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
3579 pango_font_description_set_size (font_desc, (int)real_scale);
3580 pango_layout_set_font_description (layout, font_desc);
3581 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
3583 view->loading_text = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
3585 logical_rect.height);
3586 cr = cairo_create (view->loading_text);
3587 cairo_set_source_rgb (cr,
3591 pango_cairo_show_layout (cr, layout);
3594 pango_font_description_free (font_desc);
3595 g_object_unref (layout);
3597 ev_document_fc_mutex_unlock ();
3600 width = (page_area->width - cairo_image_surface_get_width (view->loading_text)) / 2;
3601 height = (page_area->height - cairo_image_surface_get_height (view->loading_text)) / 2;
3603 cr = gdk_cairo_create (view->layout.bin_window);
3604 cairo_translate (cr,
3605 page_area->x + width,
3606 page_area->y + height);
3607 cairo_set_source_surface (cr, view->loading_text, 0, 0);
3613 draw_one_page (EvView *view,
3616 GdkRectangle *page_area,
3618 GdkRectangle *expose_area,
3619 gboolean *page_ready)
3621 GdkRectangle overlap;
3622 GdkRectangle real_page_area;
3624 g_assert (view->document);
3626 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
3629 /* Render the document itself */
3630 real_page_area = *page_area;
3632 real_page_area.x += border->left;
3633 real_page_area.y += border->top;
3634 real_page_area.width -= (border->left + border->right);
3635 real_page_area.height -= (border->top + border->bottom);
3638 if (!view->presentation) {
3641 current_page = ev_page_cache_get_current_page (view->page_cache);
3642 ev_document_misc_paint_one_page (view->layout.bin_window,
3645 page == current_page);
3648 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
3650 gint page_width, page_height;
3651 cairo_surface_t *page_surface = NULL;
3652 gint selection_width, selection_height;
3653 cairo_surface_t *selection_surface = NULL;
3655 page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page);
3657 if (!page_surface) {
3658 if (!view->presentation) {
3659 draw_loading_text (view,
3664 *page_ready = FALSE;
3669 ev_page_cache_get_size (view->page_cache,
3670 page, view->rotation,
3674 page_width = cairo_image_surface_get_width (page_surface);
3675 page_height = cairo_image_surface_get_height (page_surface);
3678 cairo_translate (cr, overlap.x, overlap.y);
3680 if (width != page_width || height != page_height) {
3681 cairo_pattern_set_filter (cairo_get_source (cr),
3684 (gdouble)width / page_width,
3685 (gdouble)height / page_height);
3688 cairo_surface_set_device_offset (page_surface,
3689 overlap.x - real_page_area.x,
3690 overlap.y - real_page_area.y);
3691 cairo_set_source_surface (cr, page_surface, 0, 0);
3695 /* Get the selection pixbuf iff we have something to draw */
3696 if (find_selection_for_page (view, page) &&
3697 view->selection_mode == EV_VIEW_SELECTION_TEXT) {
3699 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
3705 if (!selection_surface) {
3709 selection_width = cairo_image_surface_get_width (selection_surface);
3710 selection_height = cairo_image_surface_get_height (selection_surface);
3713 cairo_translate (cr, overlap.x, overlap.y);
3715 if (width != selection_width || height != selection_height) {
3716 cairo_pattern_set_filter (cairo_get_source (cr),
3719 (gdouble)width / selection_width,
3720 (gdouble)height / selection_height);
3723 cairo_surface_set_device_offset (selection_surface,
3724 overlap.x - real_page_area.x,
3725 overlap.y - real_page_area.y);
3726 cairo_set_source_surface (cr, selection_surface, 0, 0);
3732 /*** GObject functions ***/
3735 ev_view_finalize (GObject *object)
3737 EvView *view = EV_VIEW (object);
3739 clear_selection (view);
3740 clear_link_selected (view);
3742 if (view->image_dnd_info.image)
3743 g_object_unref (view->image_dnd_info.image);
3744 view->image_dnd_info.image = NULL;
3746 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
3750 ev_view_destroy (GtkObject *object)
3752 EvView *view = EV_VIEW (object);
3754 if (view->document) {
3755 g_object_unref (view->document);
3756 view->document = NULL;
3759 if (view->pixbuf_cache) {
3760 g_object_unref (view->pixbuf_cache);
3761 view->pixbuf_cache = NULL;
3764 if (view->goto_window) {
3765 gtk_widget_destroy (view->goto_window);
3766 view->goto_window = NULL;
3767 view->goto_entry = NULL;
3770 if (view->selection_scroll_id) {
3771 g_source_remove (view->selection_scroll_id);
3772 view->selection_scroll_id = 0;
3775 if (view->selection_update_id) {
3776 g_source_remove (view->selection_update_id);
3777 view->selection_update_id = 0;
3780 if (view->loading_text) {
3781 cairo_surface_destroy (view->loading_text);
3782 view->loading_text = NULL;
3785 if (view->scroll_info.timeout_id) {
3786 g_source_remove (view->scroll_info.timeout_id);
3787 view->scroll_info.timeout_id = 0;
3790 if (view->drag_info.drag_timeout_id) {
3791 g_source_remove (view->drag_info.drag_timeout_id);
3792 view->drag_info.drag_timeout_id = 0;
3795 if (view->drag_info.release_timeout_id) {
3796 g_source_remove (view->drag_info.release_timeout_id);
3797 view->drag_info.release_timeout_id = 0;
3800 ev_view_presentation_transition_stop (view);
3802 ev_view_set_scroll_adjustments (GTK_LAYOUT (view), NULL, NULL);
3804 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
3808 ev_view_set_property (GObject *object,
3810 const GValue *value,
3813 EvView *view = EV_VIEW (object);
3816 case PROP_CONTINUOUS:
3817 ev_view_set_continuous (view, g_value_get_boolean (value));
3819 case PROP_DUAL_PAGE:
3820 ev_view_set_dual_page (view, g_value_get_boolean (value));
3822 case PROP_FULLSCREEN:
3823 ev_view_set_fullscreen (view, g_value_get_boolean (value));
3825 case PROP_PRESENTATION:
3826 ev_view_set_presentation (view, g_value_get_boolean (value));
3828 case PROP_SIZING_MODE:
3829 ev_view_set_sizing_mode (view, g_value_get_enum (value));
3832 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
3835 ev_view_set_rotation (view, g_value_get_int (value));
3838 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
3843 ev_view_get_accessible (GtkWidget *widget)
3845 static gboolean first_time = TRUE;
3848 AtkObjectFactory *factory;
3849 AtkRegistry *registry;
3851 GType derived_atk_type;
3854 * Figure out whether accessibility is enabled by looking at the
3855 * type of the accessible object which would be created for
3856 * the parent type of EvView.
3858 derived_type = g_type_parent (EV_TYPE_VIEW);
3860 registry = atk_get_default_registry ();
3861 factory = atk_registry_get_factory (registry,
3863 derived_atk_type = atk_object_factory_get_accessible_type (factory);
3864 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
3865 atk_registry_set_factory_type (registry,
3867 ev_view_accessible_factory_get_type ());
3870 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
3874 ev_view_get_property (GObject *object,
3879 EvView *view = EV_VIEW (object);
3882 case PROP_CONTINUOUS:
3883 g_value_set_boolean (value, view->continuous);
3885 case PROP_DUAL_PAGE:
3886 g_value_set_boolean (value, view->dual_page);
3888 case PROP_FULLSCREEN:
3889 g_value_set_boolean (value, view->fullscreen);
3891 case PROP_PRESENTATION:
3892 g_value_set_boolean (value, view->presentation);
3894 case PROP_SIZING_MODE:
3895 g_value_set_enum (value, view->sizing_mode);
3898 g_value_set_double (value, view->scale);
3901 g_value_set_int (value, view->rotation);
3903 case PROP_HAS_SELECTION:
3904 g_value_set_boolean (value,
3905 view->selection_info.selections != NULL);
3908 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
3913 ev_view_class_init (EvViewClass *class)
3915 GObjectClass *object_class = G_OBJECT_CLASS (class);
3916 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
3917 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
3918 GtkLayoutClass *layout_class = GTK_LAYOUT_CLASS (class);
3919 GtkBindingSet *binding_set;
3921 object_class->finalize = ev_view_finalize;
3922 object_class->set_property = ev_view_set_property;
3923 object_class->get_property = ev_view_get_property;
3925 widget_class->expose_event = ev_view_expose_event;
3926 widget_class->button_press_event = ev_view_button_press_event;
3927 widget_class->motion_notify_event = ev_view_motion_notify_event;
3928 widget_class->button_release_event = ev_view_button_release_event;
3929 widget_class->key_press_event = ev_view_key_press_event;
3930 widget_class->focus_in_event = ev_view_focus_in;
3931 widget_class->focus_out_event = ev_view_focus_out;
3932 widget_class->get_accessible = ev_view_get_accessible;
3933 widget_class->size_request = ev_view_size_request;
3934 widget_class->size_allocate = ev_view_size_allocate;
3935 widget_class->realize = ev_view_realize;
3936 widget_class->scroll_event = ev_view_scroll_event;
3937 widget_class->enter_notify_event = ev_view_enter_notify_event;
3938 widget_class->leave_notify_event = ev_view_leave_notify_event;
3939 widget_class->style_set = ev_view_style_set;
3940 widget_class->drag_data_get = ev_view_drag_data_get;
3941 widget_class->drag_motion = ev_view_drag_motion;
3942 widget_class->popup_menu = ev_view_popup_menu;
3943 widget_class->query_tooltip = ev_view_query_tooltip;
3945 gtk_object_class->destroy = ev_view_destroy;
3947 layout_class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
3949 class->binding_activated = ev_view_scroll;
3951 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
3952 G_TYPE_FROM_CLASS (object_class),
3953 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3954 G_STRUCT_OFFSET (EvViewClass, binding_activated),
3956 ev_view_marshal_VOID__ENUM_BOOLEAN,
3958 GTK_TYPE_SCROLL_TYPE,
3961 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
3962 G_TYPE_FROM_CLASS (object_class),
3963 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3964 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
3966 g_cclosure_marshal_VOID__VOID,
3967 G_TYPE_NONE, 0, G_TYPE_NONE);
3968 signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link",
3969 G_TYPE_FROM_CLASS (object_class),
3970 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3971 G_STRUCT_OFFSET (EvViewClass, handle_link),
3973 g_cclosure_marshal_VOID__OBJECT,
3976 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
3977 G_TYPE_FROM_CLASS (object_class),
3978 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3979 G_STRUCT_OFFSET (EvViewClass, external_link),
3981 g_cclosure_marshal_VOID__OBJECT,
3984 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
3985 G_TYPE_FROM_CLASS (object_class),
3986 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3987 G_STRUCT_OFFSET (EvViewClass, popup_menu),
3989 g_cclosure_marshal_VOID__OBJECT,
3994 g_object_class_install_property (object_class,
3996 g_param_spec_boolean ("continuous",
3998 "Continuous scrolling mode",
4000 G_PARAM_READWRITE));
4002 g_object_class_install_property (object_class,
4004 g_param_spec_boolean ("dual-page",
4006 "Two pages visible at once",
4008 G_PARAM_READWRITE));
4009 g_object_class_install_property (object_class,
4011 g_param_spec_boolean ("fullscreen",
4013 "Draw page in a fullscreen fashion",
4015 G_PARAM_READWRITE));
4016 g_object_class_install_property (object_class,
4018 g_param_spec_boolean ("presentation",
4020 "Draw page in presentation mode",
4022 G_PARAM_READWRITE));
4024 g_object_class_install_property (object_class,
4026 g_param_spec_enum ("sizing-mode",
4029 EV_TYPE_SIZING_MODE,
4030 EV_SIZING_FIT_WIDTH,
4031 G_PARAM_READWRITE));
4033 g_object_class_install_property (object_class,
4035 g_param_spec_double ("zoom",
4041 G_PARAM_READWRITE));
4042 g_object_class_install_property (object_class,
4044 g_param_spec_double ("rotation",
4050 G_PARAM_READWRITE));
4051 g_object_class_install_property (object_class,
4053 g_param_spec_boolean ("has-selection",
4055 "The view has selections",
4059 binding_set = gtk_binding_set_by_class (class);
4061 add_scroll_binding_keypad (binding_set, GDK_Left, 0, GTK_SCROLL_STEP_BACKWARD, TRUE);
4062 add_scroll_binding_keypad (binding_set, GDK_Right, 0, GTK_SCROLL_STEP_FORWARD, TRUE);
4063 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, TRUE);
4064 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, TRUE);
4065 add_scroll_binding_keypad (binding_set, GDK_Up, 0, GTK_SCROLL_STEP_BACKWARD, FALSE);
4066 add_scroll_binding_keypad (binding_set, GDK_Down, 0, GTK_SCROLL_STEP_FORWARD, FALSE);
4067 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, FALSE);
4068 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, FALSE);
4069 gtk_binding_entry_add_signal (binding_set, GDK_H, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4070 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE);
4071 gtk_binding_entry_add_signal (binding_set, GDK_J, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4072 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE);
4073 gtk_binding_entry_add_signal (binding_set, GDK_K, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4074 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE);
4075 gtk_binding_entry_add_signal (binding_set, GDK_L, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4076 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE);
4081 ev_view_init (EvView *view)
4083 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
4087 view->current_page = 0;
4088 view->pressed_button = -1;
4089 view->cursor = EV_VIEW_CURSOR_NORMAL;
4090 view->drag_info.in_drag = FALSE;
4091 view->scroll_info.autoscrolling = FALSE;
4092 view->selection_info.selections = NULL;
4093 view->selection_info.in_selection = FALSE;
4094 view->selection_info.in_drag = FALSE;
4095 view->selection_mode = EV_VIEW_SELECTION_TEXT;
4096 view->continuous = TRUE;
4097 view->dual_page = FALSE;
4098 view->presentation = FALSE;
4099 view->presentation_state = EV_PRESENTATION_NORMAL;
4100 view->fullscreen = FALSE;
4101 view->sizing_mode = EV_SIZING_FIT_WIDTH;
4102 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4103 view->jump_to_find_result = TRUE;
4104 view->highlight_find_results = FALSE;
4106 gtk_layout_set_hadjustment (GTK_LAYOUT (view), NULL);
4107 gtk_layout_set_vadjustment (GTK_LAYOUT (view), NULL);
4113 ev_view_change_page (EvView *view,
4115 gboolean start_transition)
4119 view->current_page = new_page;
4120 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4122 if (view->presentation && start_transition)
4123 ev_view_presentation_transition_start (view);
4125 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4126 ev_view_handle_cursor_over_xy (view, x, y);
4128 gtk_widget_queue_resize (GTK_WIDGET (view));
4132 ev_view_transition_animation_finish (EvTransitionAnimation *animation,
4135 g_object_unref (view->animation);
4136 view->animation = NULL;
4137 ev_view_change_page (view, view->current_page, TRUE);
4141 * ev_view_transition_animation_cancel:
4142 * @animation: Animation to finish
4145 * Does almost the same as cancel, but without scheduling the transition.
4149 ev_view_transition_animation_cancel (EvTransitionAnimation *animation,
4152 g_object_unref (view->animation);
4153 view->animation = NULL;
4154 ev_view_change_page (view, view->current_page, FALSE);
4158 ev_view_transition_animation_frame (EvTransitionAnimation *animation,
4162 gtk_widget_queue_draw (GTK_WIDGET (view));
4166 ev_view_presentation_animation_start (EvView *view,
4169 EvTransitionEffect *effect = NULL;
4170 cairo_surface_t *surface;
4172 if (EV_IS_DOCUMENT_TRANSITION (view->document))
4173 effect = ev_document_transition_get_effect (EV_DOCUMENT_TRANSITION (view->document),
4174 view->current_page);
4178 surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page);
4179 view->animation = ev_transition_animation_new (effect);
4180 ev_transition_animation_set_origin_surface (view->animation, surface);
4182 g_signal_connect (view->animation, "frame",
4183 G_CALLBACK (ev_view_transition_animation_frame), view);
4184 g_signal_connect (view->animation, "finished",
4185 G_CALLBACK (ev_view_transition_animation_finish), view);
4189 job_finished_cb (EvPixbufCache *pixbuf_cache,
4193 if (view->animation) {
4194 cairo_surface_t *surface;
4196 surface = ev_pixbuf_cache_get_surface (pixbuf_cache, view->current_page);
4197 ev_transition_animation_set_dest_surface (view->animation, surface);
4201 gdk_window_invalidate_region (view->layout.bin_window,
4204 gtk_widget_queue_draw (GTK_WIDGET (view));
4209 page_changed_cb (EvPageCache *page_cache,
4213 if (view->current_page != new_page) {
4214 if (view->presentation)
4215 ev_view_presentation_animation_start (view, new_page);
4217 ev_view_change_page (view, new_page, TRUE);
4219 gtk_widget_queue_draw (GTK_WIDGET (view));
4222 view->find_result = 0;
4226 on_adjustment_value_changed (GtkAdjustment *adjustment,
4231 GList *children, *l;
4233 if (! GTK_WIDGET_REALIZED (view))
4236 if (view->hadjustment) {
4237 dx = view->scroll_x - (int) view->hadjustment->value;
4238 view->scroll_x = (int) view->hadjustment->value;
4243 if (view->vadjustment) {
4244 dy = view->scroll_y - (int) view->vadjustment->value;
4245 view->scroll_y = (int) view->vadjustment->value;
4250 children = gtk_container_get_children (GTK_CONTAINER (view));
4251 for (l = children; l && l->data; l = g_list_next (l)) {
4252 gint child_x, child_y;
4253 GtkWidget *child = (GtkWidget *)l->data;
4255 gtk_container_child_get (GTK_CONTAINER (view),
4260 gtk_layout_move (GTK_LAYOUT (view), child, child_x + dx, child_y + dy);
4262 g_list_free (children);
4264 if (view->pending_resize)
4265 gtk_widget_queue_draw (GTK_WIDGET (view));
4267 gdk_window_scroll (view->layout.bin_window, dx, dy);
4269 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4270 ev_view_handle_cursor_over_xy (view, x, y);
4273 view_update_range_and_current_page (view);
4281 view = g_object_new (EV_TYPE_VIEW, NULL);
4287 setup_caches (EvView *view)
4289 view->page_cache = ev_page_cache_get (view->document);
4290 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
4291 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
4292 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
4293 page_changed_cb (view->page_cache,
4294 ev_page_cache_get_current_page (view->page_cache),
4299 clear_caches (EvView *view)
4301 if (view->pixbuf_cache) {
4302 g_object_unref (view->pixbuf_cache);
4303 view->pixbuf_cache = NULL;
4306 if (view->page_cache) {
4307 view->page_cache = NULL;
4312 ev_view_set_loading (EvView *view,
4315 view->loading = loading;
4316 gtk_widget_queue_draw (GTK_WIDGET (view));
4320 ev_view_autoscroll_cb (EvView *view)
4322 gdouble speed, value;
4324 /* If the user stops autoscrolling, autoscrolling will be
4325 * set to false but the timeout will continue; stop the timeout: */
4326 if (!view->scroll_info.autoscrolling) {
4327 view->scroll_info.timeout_id = 0;
4331 if (view->scroll_info.last_y > view->scroll_info.start_y &&
4332 (view->scroll_info.last_y < view->scroll_info.start_y))
4335 /* Replace 100 with your speed of choice: The lower the faster.
4336 * Replace 3 with another speed of choice: The higher, the faster it accelerated
4337 * based on the distance of the starting point from the mouse
4338 * (All also effected by the timeout interval of this callback) */
4340 if (view->scroll_info.start_y > view->scroll_info.last_y)
4341 speed = -pow ((((gdouble)view->scroll_info.start_y - view->scroll_info.last_y) / 100), 3);
4343 speed = pow ((((gdouble)view->scroll_info.last_y - view->scroll_info.start_y) / 100), 3);
4345 value = gtk_adjustment_get_value (view->vadjustment);
4346 value = CLAMP (value + speed, 0, view->vadjustment->upper - view->vadjustment->page_size);
4347 gtk_adjustment_set_value (view->vadjustment, value);
4354 ev_view_autoscroll_start (EvView *view)
4358 g_return_if_fail (EV_IS_VIEW (view));
4360 if (view->scroll_info.autoscrolling)
4363 view->scroll_info.autoscrolling = TRUE;
4364 view->scroll_info.timeout_id =
4365 g_timeout_add (20, (GSourceFunc)ev_view_autoscroll_cb,
4368 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4369 ev_view_handle_cursor_over_xy (view, x, y);
4373 ev_view_autoscroll_stop (EvView *view)
4377 g_return_if_fail (EV_IS_VIEW (view));
4379 if (!view->scroll_info.autoscrolling)
4382 view->scroll_info.autoscrolling = FALSE;
4383 if (view->scroll_info.timeout_id) {
4384 g_source_remove (view->scroll_info.timeout_id);
4385 view->scroll_info.timeout_id = 0;
4388 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4389 ev_view_handle_cursor_over_xy (view, x, y);
4393 ev_view_set_document (EvView *view,
4394 EvDocument *document)
4396 g_return_if_fail (EV_IS_VIEW (view));
4398 view->loading = FALSE;
4400 if (document != view->document) {
4401 clear_caches (view);
4403 if (view->document) {
4404 g_object_unref (view->document);
4405 view->page_cache = NULL;
4408 view->document = document;
4409 view->find_result = 0;
4411 if (view->document) {
4412 g_object_ref (view->document);
4413 setup_caches (view);
4416 gtk_widget_queue_resize (GTK_WIDGET (view));
4421 ev_view_reload_page (EvView *view,
4425 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
4433 ev_view_reload (EvView *view)
4435 ev_pixbuf_cache_clear (view->pixbuf_cache);
4436 view_update_range_and_current_page (view);
4439 /*** Zoom and sizing mode ***/
4441 #define EPSILON 0.0000001
4443 ev_view_set_zoom (EvView *view,
4450 scale = view->scale * factor;
4454 scale = CLAMP (scale,
4455 view->sizing_mode == EV_SIZING_FREE ? view->min_scale : 0,
4458 if (ABS (view->scale - scale) < EPSILON)
4461 if (view->loading_text) {
4462 cairo_surface_destroy (view->loading_text);
4463 view->loading_text = NULL;
4466 view->scale = scale;
4467 view->pending_resize = TRUE;
4469 gtk_widget_queue_resize (GTK_WIDGET (view));
4471 g_object_notify (G_OBJECT (view), "zoom");
4475 ev_view_get_zoom (EvView *view)
4481 ev_view_set_screen_dpi (EvView *view,
4484 g_return_if_fail (EV_IS_VIEW (view));
4485 g_return_if_fail (dpi > 0);
4488 view->min_scale = MIN_SCALE * dpi / 72.0;
4489 view->max_scale = MAX_SCALE * dpi / 72.0;
4493 ev_view_get_continuous (EvView *view)
4495 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4497 return view->continuous;
4501 ev_view_set_continuous (EvView *view,
4502 gboolean continuous)
4504 g_return_if_fail (EV_IS_VIEW (view));
4506 continuous = continuous != FALSE;
4508 if (view->continuous != continuous) {
4509 view->continuous = continuous;
4510 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4511 gtk_widget_queue_resize (GTK_WIDGET (view));
4514 g_object_notify (G_OBJECT (view), "continuous");
4518 ev_view_get_dual_page (EvView *view)
4520 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4522 return view->dual_page;
4526 ev_view_set_dual_page (EvView *view,
4529 g_return_if_fail (EV_IS_VIEW (view));
4531 dual_page = dual_page != FALSE;
4533 if (view->dual_page == dual_page)
4536 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4537 view->dual_page = dual_page;
4538 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
4539 * preload_cache_size to be 2 if dual_page is set.
4541 gtk_widget_queue_resize (GTK_WIDGET (view));
4543 g_object_notify (G_OBJECT (view), "dual-page");
4547 ev_view_set_fullscreen (EvView *view,
4548 gboolean fullscreen)
4550 g_return_if_fail (EV_IS_VIEW (view));
4552 fullscreen = fullscreen != FALSE;
4554 if (view->fullscreen == fullscreen)
4557 view->fullscreen = fullscreen;
4558 gtk_widget_queue_resize (GTK_WIDGET (view));
4560 g_object_notify (G_OBJECT (view), "fullscreen");
4564 ev_view_get_fullscreen (EvView *view)
4566 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4568 return view->fullscreen;
4572 ev_view_set_presentation (EvView *view,
4573 gboolean presentation)
4575 g_return_if_fail (EV_IS_VIEW (view));
4577 presentation = presentation != FALSE;
4579 if (view->presentation == presentation)
4583 view->presentation_state = EV_PRESENTATION_NORMAL;
4585 view->presentation = presentation;
4586 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4589 view->sizing_mode_saved = view->sizing_mode;
4590 view->scale_saved = view->scale;
4591 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
4593 ev_view_set_sizing_mode (view, view->sizing_mode_saved);
4594 ev_view_set_zoom (view, view->scale_saved, FALSE);
4597 gtk_widget_queue_resize (GTK_WIDGET (view));
4600 ev_view_presentation_transition_start (view);
4602 ev_view_presentation_transition_stop (view);
4604 if (view->animation) {
4605 /* stop any running animation */
4606 ev_view_transition_animation_cancel (view->animation, view);
4610 if (GTK_WIDGET_REALIZED (view)) {
4611 if (view->presentation)
4612 gdk_window_set_background (view->layout.bin_window,
4613 >K_WIDGET (view)->style->black);
4615 gdk_window_set_background (view->layout.bin_window,
4616 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
4619 g_object_notify (G_OBJECT (view), "presentation");
4623 ev_view_get_presentation (EvView *view)
4625 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4627 return view->presentation;
4631 transition_next_page (EvView *view)
4633 ev_view_next_page (view);
4639 ev_view_presentation_transition_stop (EvView *view)
4641 if (view->trans_timeout_id > 0)
4642 g_source_remove (view->trans_timeout_id);
4643 view->trans_timeout_id = 0;
4647 ev_view_presentation_transition_start (EvView *view)
4651 if (!EV_IS_DOCUMENT_TRANSITION (view->document))
4654 ev_view_presentation_transition_stop (view);
4656 duration = ev_document_transition_get_page_duration (EV_DOCUMENT_TRANSITION (view->document),
4657 view->current_page);
4659 view->trans_timeout_id =
4660 g_timeout_add_seconds (duration,
4661 (GSourceFunc) transition_next_page,
4667 ev_view_set_sizing_mode (EvView *view,
4668 EvSizingMode sizing_mode)
4670 g_return_if_fail (EV_IS_VIEW (view));
4672 if (view->sizing_mode == sizing_mode)
4675 view->sizing_mode = sizing_mode;
4676 gtk_widget_queue_resize (GTK_WIDGET (view));
4678 g_object_notify (G_OBJECT (view), "sizing-mode");
4682 ev_view_get_sizing_mode (EvView *view)
4684 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
4686 return view->sizing_mode;
4690 ev_view_can_zoom_in (EvView *view)
4692 return view->scale * ZOOM_IN_FACTOR <= view->max_scale;
4696 ev_view_can_zoom_out (EvView *view)
4698 return view->scale * ZOOM_OUT_FACTOR >= view->min_scale;
4702 ev_view_zoom_in (EvView *view)
4704 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
4706 if (view->presentation)
4709 view->pending_scroll = SCROLL_TO_CENTER;
4710 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
4714 ev_view_zoom_out (EvView *view)
4716 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
4718 if (view->presentation)
4721 view->pending_scroll = SCROLL_TO_CENTER;
4722 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
4726 ev_view_rotate_right (EvView *view)
4728 int rotation = view->rotation + 90;
4730 if (rotation >= 360) {
4734 ev_view_set_rotation (view, rotation);
4738 ev_view_rotate_left (EvView *view)
4740 int rotation = view->rotation - 90;
4746 ev_view_set_rotation (view, rotation);
4750 ev_view_set_rotation (EvView *view, int rotation)
4752 view->rotation = rotation;
4754 if (view->pixbuf_cache) {
4755 ev_pixbuf_cache_clear (view->pixbuf_cache);
4756 gtk_widget_queue_resize (GTK_WIDGET (view));
4760 clear_selection (view);
4762 g_object_notify (G_OBJECT (view), "rotation");
4766 ev_view_get_rotation (EvView *view)
4768 return view->rotation;
4772 zoom_for_size_fit_width (int doc_width,
4780 scale = (double)target_width / doc_width;
4782 if (doc_height * scale > target_height)
4783 scale = (double) (target_width - vsb_width) / doc_width;
4789 zoom_for_size_fit_height (int doc_width,
4797 scale = (double)target_height / doc_height;
4799 if (doc_width * scale > target_width)
4800 scale = (double) (target_height - vsb_height) / doc_height;
4806 zoom_for_size_best_fit (int doc_width,
4816 w_scale = (double)target_width / doc_width;
4817 h_scale = (double)target_height / doc_height;
4819 if (doc_height * w_scale > target_height)
4820 w_scale = (double) (target_width - vsb_width) / doc_width;
4821 if (doc_width * h_scale > target_width)
4822 h_scale = (double) (target_height - hsb_width) / doc_height;
4824 return MIN (w_scale, h_scale);
4829 ev_view_zoom_for_size_presentation (EvView *view,
4833 int doc_width, doc_height;
4836 ev_page_cache_get_size (view->page_cache,
4842 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
4843 ev_view_set_zoom (view, scale, FALSE);
4847 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
4853 int doc_width, doc_height;
4857 ev_page_cache_get_max_width (view->page_cache,
4861 ev_page_cache_get_max_height (view->page_cache,
4865 compute_border (view, doc_width, doc_height, &border);
4867 doc_width = doc_width * 2;
4868 width -= (2 * (border.left + border.right) + 3 * view->spacing);
4869 height -= (border.top + border.bottom + 2 * view->spacing - 1);
4871 /* FIXME: We really need to calculate the overall height here, not the
4872 * page height. We assume there's always a vertical scrollbar for
4873 * now. We need to fix this. */
4874 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
4875 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
4876 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4877 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
4879 g_assert_not_reached ();
4881 ev_view_set_zoom (view, scale, FALSE);
4885 ev_view_zoom_for_size_continuous (EvView *view,
4891 int doc_width, doc_height;
4895 ev_page_cache_get_max_width (view->page_cache,
4899 ev_page_cache_get_max_height (view->page_cache,
4903 compute_border (view, doc_width, doc_height, &border);
4905 width -= (border.left + border.right + 2 * view->spacing);
4906 height -= (border.top + border.bottom + 2 * view->spacing - 1);
4908 /* FIXME: We really need to calculate the overall height here, not the
4909 * page height. We assume there's always a vertical scrollbar for
4910 * now. We need to fix this. */
4911 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
4912 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
4913 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4914 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
4916 g_assert_not_reached ();
4918 ev_view_set_zoom (view, scale, FALSE);
4922 ev_view_zoom_for_size_dual_page (EvView *view,
4929 gint doc_width, doc_height;
4933 other_page = view->current_page ^ 1;
4935 /* Find the largest of the two. */
4936 ev_page_cache_get_size (view->page_cache,
4940 &doc_width, &doc_height);
4942 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
4943 gint width_2, height_2;
4944 ev_page_cache_get_size (view->page_cache,
4948 &width_2, &height_2);
4949 if (width_2 > doc_width)
4950 doc_width = width_2;
4951 if (height_2 > doc_height)
4952 doc_height = height_2;
4954 compute_border (view, doc_width, doc_height, &border);
4956 doc_width = doc_width * 2;
4957 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
4958 height -= (border.top + border.bottom + 2 * view->spacing);
4960 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
4961 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
4962 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4963 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
4965 g_assert_not_reached ();
4967 ev_view_set_zoom (view, scale, FALSE);
4971 ev_view_zoom_for_size_single_page (EvView *view,
4977 int doc_width, doc_height;
4981 ev_page_cache_get_size (view->page_cache,
4987 /* Get an approximate border */
4988 compute_border (view, width, height, &border);
4990 width -= (border.left + border.right + 2 * view->spacing);
4991 height -= (border.top + border.bottom + 2 * view->spacing);
4993 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
4994 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
4995 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4996 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
4998 g_assert_not_reached ();
5000 ev_view_set_zoom (view, scale, FALSE);
5004 ev_view_set_zoom_for_size (EvView *view,
5010 g_return_if_fail (EV_IS_VIEW (view));
5011 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
5012 view->sizing_mode == EV_SIZING_BEST_FIT);
5013 g_return_if_fail (width >= 0);
5014 g_return_if_fail (height >= 0);
5016 if (view->document == NULL)
5019 if (view->presentation)
5020 ev_view_zoom_for_size_presentation (view, width, height);
5021 else if (view->continuous && view->dual_page)
5022 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
5023 else if (view->continuous)
5024 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
5025 else if (view->dual_page)
5026 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
5028 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
5033 ev_view_find_get_n_results (EvView *view, gint page)
5035 return view->find_pages ? g_list_length (view->find_pages[page]) : 0;
5038 static EvRectangle *
5039 ev_view_find_get_result (EvView *view, gint page, gint result)
5041 return view->find_pages ? (EvRectangle *) g_list_nth_data (view->find_pages[page], result) : NULL;
5045 jump_to_find_result (EvView *view)
5048 gint page = view->current_page;
5050 n_results = ev_view_find_get_n_results (view, page);
5052 if (n_results > 0 && view->find_result < n_results) {
5054 GdkRectangle view_rect;
5056 rect = ev_view_find_get_result (view, page, view->find_result);
5057 doc_rect_to_view_rect (view, page, rect, &view_rect);
5058 ensure_rectangle_is_visible (view, &view_rect);
5059 view->jump_to_find_result = FALSE;
5065 * @view: #EvView instance
5066 * @direction: Direction to look
5067 * @shift: Shift from current page
5069 * Jumps to the first page that has occurences of searched word.
5070 * Uses a direction where to look and a shift from current page.
5074 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
5078 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5080 for (i = 0; i < n_pages; i++) {
5083 if (direction == EV_VIEW_FIND_NEXT)
5084 page = view->current_page + i;
5086 page = view->current_page - i;
5089 if (page >= n_pages) {
5090 page = page - n_pages;
5091 } else if (page < 0)
5092 page = page + n_pages;
5094 if (ev_view_find_get_n_results (view, page) > 0) {
5095 ev_page_cache_set_current_page (view->page_cache, page);
5102 ev_view_find_changed (EvView *view, GList **results, gint page)
5104 view->find_pages = results;
5106 if (view->jump_to_find_result == TRUE) {
5107 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
5108 jump_to_find_result (view);
5111 if (view->current_page == page)
5112 gtk_widget_queue_draw (GTK_WIDGET (view));
5116 ev_view_find_next (EvView *view)
5120 n_results = ev_view_find_get_n_results (view, view->current_page);
5121 view->find_result++;
5123 if (view->find_result >= n_results) {
5124 view->find_result = 0;
5125 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
5126 jump_to_find_result (view);
5128 jump_to_find_result (view);
5129 gtk_widget_queue_draw (GTK_WIDGET (view));
5134 ev_view_find_previous (EvView *view)
5136 view->find_result--;
5138 if (view->find_result < 0) {
5139 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
5140 view->find_result = MAX (0, ev_view_find_get_n_results (view, view->current_page) - 1);
5141 jump_to_find_result (view);
5143 jump_to_find_result (view);
5144 gtk_widget_queue_draw (GTK_WIDGET (view));
5149 ev_view_find_search_changed (EvView *view)
5151 /* search string has changed, focus on new search result */
5152 view->jump_to_find_result = TRUE;
5153 view->find_pages = NULL;
5157 ev_view_find_set_highlight_search (EvView *view, gboolean value)
5159 view->highlight_find_results = value;
5160 gtk_widget_queue_draw (GTK_WIDGET (view));
5164 ev_view_find_cancel (EvView *view)
5166 view->find_pages = NULL;
5169 /*** Selections ***/
5171 /* compute_new_selection_rect/text calculates the area currently selected by
5172 * view_rect. each handles a different mode;
5175 compute_new_selection_rect (EvView *view,
5179 GdkRectangle view_rect;
5183 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
5185 view_rect.x = MIN (start->x, stop->x);
5186 view_rect.y = MIN (start->y, stop->y);
5187 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
5188 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
5190 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5192 for (i = 0; i < n_pages; i++) {
5193 GdkRectangle page_area;
5196 if (get_page_extents (view, i, &page_area, &border)) {
5197 GdkRectangle overlap;
5199 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
5200 EvViewSelection *selection;
5202 selection = g_new0 (EvViewSelection, 1);
5203 selection->page = i;
5204 view_rect_to_doc_rect (view, &overlap, &page_area,
5205 &(selection->rect));
5207 list = g_list_append (list, selection);
5216 gdk_rectangle_point_in (GdkRectangle *rectangle,
5219 return rectangle->x <= point->x &&
5220 rectangle->y <= point->y &&
5221 point->x < rectangle->x + rectangle->width &&
5222 point->y < rectangle->y + rectangle->height;
5226 compute_new_selection_text (EvView *view,
5227 EvSelectionStyle style,
5231 int n_pages, i, first, last;
5233 EvViewSelection *selection;
5235 int start_page, end_page;
5237 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
5239 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5241 /* First figure out the range of pages the selection
5245 if (view->continuous) {
5248 } else if (view->dual_page) {
5249 start_page = view->start_page;
5250 end_page = view->end_page + 1;
5252 start_page = view->current_page;
5253 end_page = view->current_page + 1;
5256 for (i = start_page; i < end_page; i++) {
5257 GdkRectangle page_area;
5260 get_page_extents (view, i, &page_area, &border);
5261 if (gdk_rectangle_point_in (&page_area, start) ||
5262 gdk_rectangle_point_in (&page_area, stop)) {
5263 if (first == n_pages)
5270 /* Now create a list of EvViewSelection's for the affected
5271 * pages. This could be an empty list, a list of just one
5272 * page or a number of pages.*/
5273 for (i = first; i < last + 1; i++) {
5274 GdkRectangle page_area;
5278 ev_page_cache_get_size (view->page_cache, i,
5280 1.0, &width, &height);
5282 selection = g_new0 (EvViewSelection, 1);
5283 selection->page = i;
5284 selection->style = style;
5285 selection->rect.x1 = selection->rect.y1 = 0;
5286 selection->rect.x2 = width;
5287 selection->rect.y2 = height;
5289 get_page_extents (view, i, &page_area, &border);
5291 if (gdk_rectangle_point_in (&page_area, start))
5297 view_point_to_doc_point (view, point, &page_area,
5298 &selection->rect.x1,
5299 &selection->rect.y1);
5301 /* If the selection is contained within just one page,
5302 * make sure we don't write 'start' into both points
5303 * in selection->rect. */
5308 view_point_to_doc_point (view, point, &page_area,
5309 &selection->rect.x2,
5310 &selection->rect.y2);
5312 list = g_list_append (list, selection);
5318 /* This function takes the newly calculated list, and figures out which regions
5319 * have changed. It then queues a redraw approporiately.
5322 merge_selection_region (EvView *view,
5326 GList *new_list_ptr, *old_list_ptr;
5328 /* Update the selection */
5329 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
5330 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5331 g_list_free (view->selection_info.selections);
5332 view->selection_info.selections = new_list;
5333 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
5334 g_object_notify (G_OBJECT (view), "has-selection");
5336 new_list_ptr = new_list;
5337 old_list_ptr = old_list;
5339 while (new_list_ptr || old_list_ptr) {
5340 EvViewSelection *old_sel, *new_sel;
5342 GdkRegion *region = NULL;
5344 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
5345 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
5347 /* Assume that the lists are in order, and we run through them
5348 * comparing them, one page at a time. We come out with the
5349 * first page we see. */
5350 if (new_sel && old_sel) {
5351 if (new_sel->page < old_sel->page) {
5352 new_list_ptr = new_list_ptr->next;
5354 } else if (new_sel->page > old_sel->page) {
5355 old_list_ptr = old_list_ptr->next;
5358 new_list_ptr = new_list_ptr->next;
5359 old_list_ptr = old_list_ptr->next;
5361 } else if (new_sel) {
5362 new_list_ptr = new_list_ptr->next;
5363 } else if (old_sel) {
5364 old_list_ptr = old_list_ptr->next;
5367 g_assert (new_sel || old_sel);
5369 /* is the page we're looking at on the screen?*/
5370 cur_page = new_sel ? new_sel->page : old_sel->page;
5371 if (cur_page < view->start_page || cur_page > view->end_page)
5374 /* seed the cache with a new page. We are going to need the new
5377 GdkRegion *tmp_region = NULL;
5379 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
5385 new_sel->covered_region = gdk_region_copy (tmp_region);
5389 /* Now we figure out what needs redrawing */
5390 if (old_sel && new_sel) {
5391 if (old_sel->covered_region && new_sel->covered_region) {
5392 /* We only want to redraw the areas that have
5393 * changed, so we xor the old and new regions
5394 * and redraw if it's different */
5395 region = gdk_region_copy (old_sel->covered_region);
5396 gdk_region_xor (region, new_sel->covered_region);
5397 if (gdk_region_empty (region)) {
5398 gdk_region_destroy (region);
5401 } else if (old_sel->covered_region) {
5402 region = gdk_region_copy (old_sel->covered_region);
5403 } else if (new_sel->covered_region) {
5404 region = gdk_region_copy (new_sel->covered_region);
5406 } else if (old_sel && !new_sel) {
5407 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
5408 region = gdk_region_copy (old_sel->covered_region);
5410 } else if (!old_sel && new_sel) {
5411 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
5412 region = gdk_region_copy (new_sel->covered_region);
5415 g_assert_not_reached ();
5418 /* Redraw the damaged region! */
5420 GdkRectangle page_area;
5423 /* I don't know why but the region is smaller
5424 * than expected. This hack fixes it, I guess
5425 * 10 pixels more won't hurt
5427 gdk_region_shrink (region, -5, -5);
5429 get_page_extents (view, cur_page, &page_area, &border);
5430 gdk_region_offset (region,
5431 page_area.x + border.left - view->scroll_x,
5432 page_area.y + border.top - view->scroll_y);
5433 gdk_window_invalidate_region (view->layout.bin_window, region, TRUE);
5434 gdk_region_destroy (region);
5438 /* Free the old list, now that we're done with it. */
5439 g_list_foreach (old_list, (GFunc) selection_free, NULL);
5440 g_list_free (old_list);
5444 compute_selections (EvView *view,
5445 EvSelectionStyle style,
5451 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
5452 list = compute_new_selection_rect (view, start, stop);
5454 list = compute_new_selection_text (view, style, start, stop);
5455 merge_selection_region (view, list);
5458 /* Free's the selection. It's up to the caller to queue redraws if needed.
5461 selection_free (EvViewSelection *selection)
5463 if (selection->covered_region)
5464 gdk_region_destroy (selection->covered_region);
5469 clear_selection (EvView *view)
5471 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5472 g_list_free (view->selection_info.selections);
5473 view->selection_info.selections = NULL;
5474 view->selection_info.in_selection = FALSE;
5475 if (view->pixbuf_cache)
5476 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
5477 g_object_notify (G_OBJECT (view), "has-selection");
5481 ev_view_select_all (EvView *view)
5483 GList *selections = NULL;
5486 /* Disable selection on rotated pages for the 0.4.0 series */
5487 if (view->rotation != 0)
5490 clear_selection (view);
5492 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5493 for (i = 0; i < n_pages; i++) {
5495 EvViewSelection *selection;
5497 ev_page_cache_get_size (view->page_cache,
5500 1.0, &width, &height);
5502 selection = g_new0 (EvViewSelection, 1);
5503 selection->page = i;
5504 selection->style = EV_SELECTION_STYLE_GLYPH;
5505 selection->rect.x1 = selection->rect.y1 = 0;
5506 selection->rect.x2 = width;
5507 selection->rect.y2 = height;
5509 selections = g_list_append (selections, selection);
5512 merge_selection_region (view, selections);
5513 gtk_widget_queue_draw (GTK_WIDGET (view));
5517 ev_view_get_has_selection (EvView *view)
5519 return view->selection_info.selections != NULL;
5523 get_selected_text (EvView *view)
5527 gchar *normalized_text;
5528 EvRenderContext *rc;
5530 text = g_string_new (NULL);
5531 rc = ev_render_context_new (NULL, view->rotation, view->scale);
5533 ev_document_doc_mutex_lock ();
5535 for (l = view->selection_info.selections; l != NULL; l = l->next) {
5536 EvViewSelection *selection = (EvViewSelection *)l->data;
5540 page = ev_document_get_page (view->document, selection->page);
5541 ev_render_context_set_page (rc, page);
5542 g_object_unref (page);
5544 tmp = ev_selection_get_selected_text (EV_SELECTION (view->document),
5545 rc, selection->style,
5546 &(selection->rect));
5548 g_string_append (text, tmp);
5552 g_object_unref (rc);
5554 ev_document_doc_mutex_unlock ();
5556 normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC);
5557 g_string_free (text, TRUE);
5558 return normalized_text;
5562 ev_view_clipboard_copy (EvView *view,
5565 GtkClipboard *clipboard;
5567 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
5568 GDK_SELECTION_CLIPBOARD);
5569 gtk_clipboard_set_text (clipboard, text, -1);
5573 ev_view_copy (EvView *ev_view)
5577 if (!EV_IS_SELECTION (ev_view->document))
5580 text = get_selected_text (ev_view);
5581 ev_view_clipboard_copy (ev_view, text);
5586 ev_view_primary_get_cb (GtkClipboard *clipboard,
5587 GtkSelectionData *selection_data,
5591 EvView *ev_view = EV_VIEW (data);
5593 if (ev_view->link_selected) {
5594 gtk_selection_data_set_text (selection_data,
5595 ev_link_action_get_uri (ev_view->link_selected),
5597 } else if (EV_IS_SELECTION (ev_view->document) &&
5598 ev_view->selection_info.selections) {
5601 text = get_selected_text (ev_view);
5603 gtk_selection_data_set_text (selection_data, text, -1);
5610 ev_view_primary_clear_cb (GtkClipboard *clipboard,
5613 EvView *view = EV_VIEW (data);
5615 clear_selection (view);
5616 clear_link_selected (view);
5620 ev_view_update_primary_selection (EvView *ev_view)
5622 GtkClipboard *clipboard;
5624 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
5625 GDK_SELECTION_PRIMARY);
5627 if (ev_view->selection_info.selections || ev_view->link_selected) {
5628 if (!gtk_clipboard_set_with_owner (clipboard,
5630 G_N_ELEMENTS (clipboard_targets),
5631 ev_view_primary_get_cb,
5632 ev_view_primary_clear_cb,
5633 G_OBJECT (ev_view)))
5634 ev_view_primary_clear_cb (clipboard, ev_view);
5636 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
5637 gtk_clipboard_clear (clipboard);
5642 clear_link_selected (EvView *view)
5644 if (view->link_selected) {
5645 g_object_unref (view->link_selected);
5646 view->link_selected = NULL;
5651 ev_view_copy_link_address (EvView *view,
5652 EvLinkAction *action)
5654 clear_link_selected (view);
5656 ev_view_clipboard_copy (view, ev_link_action_get_uri (action));
5658 view->link_selected = g_object_ref (action);
5659 ev_view_update_primary_selection (view);
5662 /*** Cursor operations ***/
5665 ev_view_create_invisible_cursor(void)
5668 GdkColor black = { 0, 0, 0, 0 };
5669 static char bits[] = { 0x00 };
5671 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
5673 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
5677 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
5679 GdkCursor *cursor = NULL;
5680 GdkDisplay *display;
5683 if (view->cursor == new_cursor) {
5687 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
5688 display = gtk_widget_get_display (widget);
5689 view->cursor = new_cursor;
5691 switch (new_cursor) {
5692 case EV_VIEW_CURSOR_NORMAL:
5693 gdk_window_set_cursor (view->layout.bin_window, NULL);
5695 case EV_VIEW_CURSOR_IBEAM:
5696 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
5698 case EV_VIEW_CURSOR_LINK:
5699 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
5701 case EV_VIEW_CURSOR_WAIT:
5702 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
5704 case EV_VIEW_CURSOR_HIDDEN:
5705 cursor = ev_view_create_invisible_cursor ();
5707 case EV_VIEW_CURSOR_DRAG:
5708 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
5710 case EV_VIEW_CURSOR_AUTOSCROLL:
5711 cursor = gdk_cursor_new_for_display (display, GDK_DOUBLE_ARROW);
5716 gdk_window_set_cursor (view->layout.bin_window, cursor);
5717 gdk_cursor_unref (cursor);
5723 ev_view_hide_cursor (EvView *view)
5725 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
5729 ev_view_show_cursor (EvView *view)
5731 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
5735 ev_view_reset_presentation_state (EvView *view)
5737 if (!view->presentation ||
5738 view->presentation_state == EV_PRESENTATION_NORMAL)
5741 view->presentation_state = EV_PRESENTATION_NORMAL;
5742 gdk_window_set_background (view->layout.bin_window,
5743 >K_WIDGET (view)->style->black);
5744 gtk_widget_queue_draw (GTK_WIDGET (view));
5748 ev_view_next_page (EvView *view)
5752 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5754 if (!view->page_cache)
5757 if (view->presentation &&
5758 (view->presentation_state == EV_PRESENTATION_BLACK ||
5759 view->presentation_state == EV_PRESENTATION_WHITE)) {
5760 ev_view_reset_presentation_state (view);
5764 if (view->animation) {
5765 ev_view_transition_animation_cancel (view->animation, view);
5768 ev_view_presentation_transition_stop (view);
5769 ev_view_reset_presentation_state (view);
5771 page = ev_page_cache_get_current_page (view->page_cache);
5772 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5774 if (view->dual_page && !view->presentation)
5779 if (page < n_pages) {
5780 ev_page_cache_set_current_page (view->page_cache, page);
5782 } else if (view->presentation && page == n_pages) {
5783 view->presentation_state = EV_PRESENTATION_END;
5784 gtk_widget_queue_draw (GTK_WIDGET (view));
5786 } else if (view->dual_page && page == n_pages) {
5787 ev_page_cache_set_current_page (view->page_cache, page - 1);
5795 ev_view_previous_page (EvView *view)
5799 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5801 if (!view->page_cache)
5804 if (view->presentation &&
5805 view->presentation_state == EV_PRESENTATION_END) {
5806 ev_view_reset_presentation_state (view);
5810 if (view->presentation &&
5811 (view->presentation_state == EV_PRESENTATION_BLACK ||
5812 view->presentation_state == EV_PRESENTATION_WHITE)) {
5813 ev_view_reset_presentation_state (view);
5817 if (view->animation) {
5818 ev_view_transition_animation_cancel (view->animation, view);
5821 ev_view_reset_presentation_state (view);
5823 page = ev_page_cache_get_current_page (view->page_cache);
5825 if (view->dual_page && !view->presentation)
5831 ev_page_cache_set_current_page (view->page_cache, page);
5833 } else if (ev_view_get_dual_page (view) && page == -1) {
5834 ev_page_cache_set_current_page (view->page_cache, 0);
5841 /*** Enum description for usage in signal ***/
5844 ev_sizing_mode_get_type (void)
5846 static GType etype = 0;
5848 static const GEnumValue values[] = {
5849 { EV_SIZING_FIT_WIDTH, "EV_SIZING_FIT_WIDTH", "fit-width" },
5850 { EV_SIZING_BEST_FIT, "EV_SIZING_BEST_FIT", "best-fit" },
5851 { EV_SIZING_FREE, "EV_SIZING_FREE", "free" },
5854 etype = g_enum_register_static ("EvSizingMode", values);
5860 ev_view_update_view_size (EvView *view, GtkScrolledWindow * scrolled_window)
5863 GtkRequisition vsb_requisition;
5864 GtkRequisition hsb_requisition;
5865 int scrollbar_spacing;
5867 /* Calculate the width available for the content */
5868 width = GTK_WIDGET (scrolled_window)->allocation.width;
5869 height = GTK_WIDGET (scrolled_window)->allocation.height;
5871 if (gtk_scrolled_window_get_shadow_type (scrolled_window) == GTK_SHADOW_IN
5873 width -= 2 * GTK_WIDGET(view)->style->xthickness;
5874 height -= 2 * GTK_WIDGET(view)->style->ythickness;
5877 gtk_widget_size_request (scrolled_window->vscrollbar, &vsb_requisition);
5878 gtk_widget_size_request (scrolled_window->hscrollbar, &hsb_requisition);
5879 gtk_widget_style_get (GTK_WIDGET (scrolled_window),
5880 "scrollbar_spacing",
5884 if (EV_IS_VIEW(view)) {
5885 ev_view_set_zoom_for_size (EV_VIEW (view),
5888 vsb_requisition.width + scrollbar_spacing,
5889 hsb_requisition.height + scrollbar_spacing);