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-lib.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"
43 #include "ev-view-type-builtins.h"
45 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
46 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
47 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
62 SIGNAL_BINDING_ACTIVATED,
76 static guint signals[N_SIGNALS];
81 } EvViewFindDirection;
83 #define ZOOM_IN_FACTOR 1.2
84 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
86 #define MIN_SCALE 0.05409
89 #define SCROLL_TIME 150
92 static void scroll_to_current_page (EvView *view,
93 GtkOrientation orientation);
94 static void ev_view_set_scroll_adjustments (GtkLayout *layout,
95 GtkAdjustment *hadjustment,
96 GtkAdjustment *vadjustment);
97 static void view_update_range_and_current_page (EvView *view);
98 static void set_scroll_adjustment (EvView *view,
99 GtkOrientation orientation,
100 GtkAdjustment *adjustment);
101 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
103 GdkModifierType modifiers,
104 GtkScrollType scroll,
105 gboolean horizontal);
106 static void ensure_rectangle_is_visible (EvView *view,
109 /*** Geometry computations ***/
110 static void compute_border (EvView *view,
114 static void get_page_y_offset (EvView *view,
118 static gboolean get_page_extents (EvView *view,
120 GdkRectangle *page_area,
122 static void view_rect_to_doc_rect (EvView *view,
123 GdkRectangle *view_rect,
124 GdkRectangle *page_area,
125 EvRectangle *doc_rect);
126 static void doc_rect_to_view_rect (EvView *view,
128 EvRectangle *doc_rect,
129 GdkRectangle *view_rect);
130 static void find_page_at_location (EvView *view,
136 static gboolean doc_point_to_view_point (EvView *view,
139 GdkPoint *view_point);
141 static EvLink * ev_view_get_link_at_location (EvView *view,
144 static char* tip_from_link (EvView *view,
147 static EvFormField *ev_view_get_form_field_at_location (EvView *view,
151 /*** GtkWidget implementation ***/
152 static void ev_view_size_request_continuous_dual_page (EvView *view,
153 GtkRequisition *requisition);
154 static void ev_view_size_request_continuous (EvView *view,
155 GtkRequisition *requisition);
156 static void ev_view_size_request_dual_page (EvView *view,
157 GtkRequisition *requisition);
158 static void ev_view_size_request_single_page (EvView *view,
159 GtkRequisition *requisition);
160 static void ev_view_size_request (GtkWidget *widget,
161 GtkRequisition *requisition);
162 static void ev_view_size_allocate (GtkWidget *widget,
163 GtkAllocation *allocation);
164 static void ev_view_realize (GtkWidget *widget);
165 static gboolean ev_view_scroll_event (GtkWidget *widget,
166 GdkEventScroll *event);
167 static gboolean ev_view_expose_event (GtkWidget *widget,
168 GdkEventExpose *event);
169 static gboolean ev_view_popup_menu (GtkWidget *widget);
170 static gboolean ev_view_button_press_event (GtkWidget *widget,
171 GdkEventButton *event);
172 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
173 GdkEventMotion *event);
174 static gboolean ev_view_button_release_event (GtkWidget *widget,
175 GdkEventButton *event);
176 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
177 GdkEventCrossing *event);
178 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
179 GdkEventCrossing *event);
180 static void ev_view_style_set (GtkWidget *widget,
181 GtkStyle *old_style);
182 static void ev_view_remove_all (EvView *view);
184 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
187 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
188 static void draw_rubberband (GtkWidget *widget,
190 const GdkRectangle *rect,
192 static void highlight_find_results (EvView *view,
194 static void draw_one_page (EvView *view,
197 GdkRectangle *page_area,
199 GdkRectangle *expose_area,
200 gboolean *page_ready);
201 static void draw_loading_text (EvView *view,
202 GdkRectangle *page_area,
203 GdkRectangle *expose_area);
204 static void ev_view_reload_page (EvView *view,
209 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
212 static void page_changed_cb (EvPageCache *page_cache,
215 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
219 static void ev_view_finalize (GObject *object);
220 static void ev_view_destroy (GtkObject *object);
221 static void ev_view_set_property (GObject *object,
225 static void ev_view_get_property (GObject *object,
229 static void ev_view_class_init (EvViewClass *class);
230 static void ev_view_init (EvView *view);
232 /*** Zoom and sizing ***/
233 static double zoom_for_size_fit_width (int doc_width,
238 static double zoom_for_size_fit_height (int doc_width,
243 static double zoom_for_size_best_fit (int doc_width,
249 static void ev_view_zoom_for_size_presentation (EvView *view,
252 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
257 static void ev_view_zoom_for_size_continuous (EvView *view,
262 static void ev_view_zoom_for_size_dual_page (EvView *view,
267 static void ev_view_zoom_for_size_single_page (EvView *view,
273 static GdkCursor* ev_view_create_invisible_cursor (void);
274 static void ev_view_set_cursor (EvView *view,
275 EvViewCursor new_cursor);
276 static void ev_view_handle_cursor_over_xy (EvView *view,
281 static gint ev_view_find_get_n_results (EvView *view,
283 static EvRectangle *ev_view_find_get_result (EvView *view,
286 static void jump_to_find_result (EvView *view);
287 static void jump_to_find_page (EvView *view,
288 EvViewFindDirection direction,
292 static void compute_selections (EvView *view,
293 EvSelectionStyle style,
296 static void clear_selection (EvView *view);
297 static void clear_link_selected (EvView *view);
298 static void selection_free (EvViewSelection *selection);
299 static char* get_selected_text (EvView *ev_view);
300 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
301 GtkSelectionData *selection_data,
304 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
306 static void ev_view_update_primary_selection (EvView *ev_view);
308 /*** Presentation ***/
309 static void ev_view_presentation_transition_start (EvView *ev_view);
310 static void ev_view_presentation_transition_stop (EvView *ev_view);
313 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_LAYOUT)
316 scroll_to_current_page (EvView *view, GtkOrientation orientation)
320 if (view->document == NULL) {
324 doc_point_to_view_point (view, view->current_page, &view->pending_point, &view_point);
326 if (orientation == GTK_ORIENTATION_VERTICAL) {
327 view->pending_point.y = 0;
329 view->pending_point.x = 0;
332 if (orientation == GTK_ORIENTATION_VERTICAL) {
333 if (view->continuous) {
334 gtk_adjustment_clamp_page (view->vadjustment,
335 view_point.y - view->spacing / 2,
336 view_point.y + view->vadjustment->page_size);
338 gtk_adjustment_set_value (view->vadjustment,
340 view->vadjustment->lower,
341 view->vadjustment->upper -
342 view->vadjustment->page_size));
345 if (view->dual_page) {
346 gtk_adjustment_clamp_page (view->hadjustment,
348 view_point.x + view->hadjustment->page_size);
350 gtk_adjustment_set_value (view->hadjustment,
352 view->hadjustment->lower,
353 view->hadjustment->upper -
354 view->hadjustment->page_size));
360 view_set_adjustment_values (EvView *view,
361 GtkOrientation orientation)
363 GtkWidget *widget = GTK_WIDGET (view);
364 GtkAdjustment *adjustment;
371 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
372 requisition = widget->requisition.width;
373 allocation = widget->allocation.width;
374 adjustment = view->hadjustment;
376 requisition = widget->requisition.height;
377 allocation = widget->allocation.height;
378 adjustment = view->vadjustment;
385 switch (view->pending_scroll) {
386 case SCROLL_TO_KEEP_POSITION:
387 case SCROLL_TO_FIND_LOCATION:
388 factor = (adjustment->value) / adjustment->upper;
390 case SCROLL_TO_PAGE_POSITION:
392 case SCROLL_TO_CENTER:
393 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
397 adjustment->page_size = allocation;
398 adjustment->step_increment = allocation * 0.1;
399 adjustment->page_increment = allocation * 0.9;
400 adjustment->lower = 0;
401 adjustment->upper = MAX (allocation, requisition);
404 * We add 0.5 to the values before to average out our rounding errors.
406 switch (view->pending_scroll) {
407 case SCROLL_TO_KEEP_POSITION:
408 case SCROLL_TO_FIND_LOCATION:
409 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
410 gtk_adjustment_set_value (adjustment, (int)new_value);
412 case SCROLL_TO_PAGE_POSITION:
413 scroll_to_current_page (view, orientation);
415 case SCROLL_TO_CENTER:
416 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
417 0, adjustment->upper - adjustment->page_size);
418 gtk_adjustment_set_value (adjustment, (int)new_value);
422 gtk_adjustment_changed (adjustment);
426 view_update_range_and_current_page (EvView *view)
429 gint best_current_page = -1;
431 /* Presentation trumps all other modes */
432 if (view->presentation) {
433 view->start_page = view->current_page;
434 view->end_page = view->current_page;
435 } else if (view->continuous) {
436 GdkRectangle current_area, unused, page_area;
438 gboolean found = FALSE;
439 gint area_max = -1, area;
442 if (!(view->vadjustment && view->hadjustment))
445 current_area.x = view->hadjustment->value;
446 current_area.width = view->hadjustment->upper;
447 current_area.y = view->vadjustment->value;
448 current_area.height = view->vadjustment->page_size;
450 for (i = 0; i < ev_page_cache_get_n_pages (view->page_cache); i++) {
452 get_page_extents (view, i, &page_area, &border);
454 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
455 area = unused.width * unused.height;
459 view->start_page = i;
461 best_current_page = i;
463 if (area > area_max) {
464 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
469 } else if (found && view->current_page <= view->end_page) {
474 } else if (view->dual_page) {
475 if (view->current_page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) {
476 view->start_page = view->current_page;
477 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache))
478 view->end_page = view->start_page + 1;
480 view->end_page = view->start_page;
482 if (view->current_page < 1)
483 view->start_page = view->current_page;
485 view->start_page = view->current_page - 1;
486 view->end_page = view->current_page;
489 view->start_page = view->current_page;
490 view->end_page = view->current_page;
493 best_current_page = MAX (best_current_page, view->start_page);
494 current_page = ev_page_cache_get_current_page (view->page_cache);
496 if ((current_page != best_current_page) && (view->pending_scroll == SCROLL_TO_KEEP_POSITION)) {
497 view->current_page = best_current_page;
498 ev_page_cache_set_current_page (view->page_cache, best_current_page);
501 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
506 view->selection_info.selections);
510 set_scroll_adjustment (EvView *view,
511 GtkOrientation orientation,
512 GtkAdjustment *adjustment)
514 GtkAdjustment **to_set;
516 if (orientation == GTK_ORIENTATION_HORIZONTAL)
517 to_set = &view->hadjustment;
519 to_set = &view->vadjustment;
521 if (*to_set != adjustment) {
523 g_signal_handlers_disconnect_by_func (*to_set,
524 (gpointer) on_adjustment_value_changed,
526 g_object_unref (*to_set);
529 *to_set = adjustment;
530 view_set_adjustment_values (view, orientation);
533 g_object_ref (*to_set);
534 g_signal_connect (*to_set, "value_changed",
535 G_CALLBACK (on_adjustment_value_changed), view);
541 ev_view_set_scroll_adjustments (GtkLayout *layout,
542 GtkAdjustment *hadjustment,
543 GtkAdjustment *vadjustment)
545 EvView *view = EV_VIEW (layout);
547 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
548 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
550 on_adjustment_value_changed (NULL, view);
554 add_scroll_binding_keypad (GtkBindingSet *binding_set,
556 GdkModifierType modifiers,
557 GtkScrollType scroll,
560 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
562 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
563 "binding_activated", 2,
564 GTK_TYPE_SCROLL_TYPE, scroll,
565 G_TYPE_BOOLEAN, horizontal);
566 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
567 "binding_activated", 2,
568 GTK_TYPE_SCROLL_TYPE, scroll,
569 G_TYPE_BOOLEAN, horizontal);
573 ev_view_scroll (EvView *view,
574 GtkScrollType scroll,
577 GtkAdjustment *adjustment;
578 double value, increment;
579 gboolean first_page = FALSE;
580 gboolean last_page = FALSE;
582 view->jump_to_find_result = FALSE;
584 if (view->presentation || view->sizing_mode == EV_SIZING_BEST_FIT) {
586 case GTK_SCROLL_PAGE_BACKWARD:
587 case GTK_SCROLL_STEP_BACKWARD:
588 ev_view_previous_page (view);
590 case GTK_SCROLL_PAGE_FORWARD:
591 case GTK_SCROLL_STEP_FORWARD:
592 ev_view_next_page (view);
600 /* Assign values for increment and vertical adjustment */
601 adjustment = horizontal ? view->hadjustment : view->vadjustment;
602 increment = adjustment->page_size * 0.75;
603 value = adjustment->value;
605 /* Assign boolean for first and last page */
606 if (view->current_page == 0)
608 if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1)
612 case GTK_SCROLL_PAGE_BACKWARD:
613 /* Do not jump backwards if at the first page */
614 if (value == (adjustment->lower) && first_page) {
616 /* At the top of a page, assign the upper bound limit of previous page */
617 } else if (value == (adjustment->lower)) {
618 value = adjustment->upper - adjustment->page_size;
619 ev_view_previous_page (view);
620 /* Jump to the top */
622 value = MAX (value - increment, adjustment->lower);
625 case GTK_SCROLL_PAGE_FORWARD:
626 /* Do not jump forward if at the last page */
627 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
629 /* At the bottom of a page, assign the lower bound limit of next page */
630 } else if (value == (adjustment->upper - adjustment->page_size)) {
632 ev_view_next_page (view);
633 /* Jump to the bottom */
635 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
638 case GTK_SCROLL_STEP_BACKWARD:
639 value -= adjustment->step_increment;
641 case GTK_SCROLL_STEP_FORWARD:
642 value += adjustment->step_increment;
644 case GTK_SCROLL_STEP_DOWN:
645 value -= adjustment->step_increment / 10;
647 case GTK_SCROLL_STEP_UP:
648 value += adjustment->step_increment / 10;
654 value = CLAMP (value, adjustment->lower,
655 adjustment->upper - adjustment->page_size);
657 gtk_adjustment_set_value (adjustment, value);
663 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
665 GtkWidget *widget = GTK_WIDGET (view);
666 GtkAdjustment *adjustment;
669 view->pending_scroll = SCROLL_TO_FIND_LOCATION;
671 adjustment = view->vadjustment;
673 if (rect->y < adjustment->value) {
674 value = MAX (adjustment->lower, rect->y - MARGIN);
675 gtk_adjustment_set_value (view->vadjustment, value);
676 } else if (rect->y + rect->height >
677 adjustment->value + widget->allocation.height) {
678 value = MIN (adjustment->upper, rect->y + rect->height -
679 widget->allocation.height + MARGIN);
680 gtk_adjustment_set_value (view->vadjustment, value);
683 adjustment = view->hadjustment;
685 if (rect->x < adjustment->value) {
686 value = MAX (adjustment->lower, rect->x - MARGIN);
687 gtk_adjustment_set_value (view->hadjustment, value);
688 } else if (rect->x + rect->height >
689 adjustment->value + widget->allocation.width) {
690 value = MIN (adjustment->upper, rect->x + rect->width -
691 widget->allocation.width + MARGIN);
692 gtk_adjustment_set_value (view->hadjustment, value);
695 gtk_widget_queue_resize (GTK_WIDGET (view));
698 /*** Geometry computations ***/
701 compute_border (EvView *view, int width, int height, GtkBorder *border)
703 if (view->presentation) {
709 ev_document_misc_get_page_border_size (width, height, border);
714 get_page_y_offset (EvView *view, int page, double zoom, int *y_offset)
716 int max_width, offset;
719 g_return_if_fail (y_offset != NULL);
721 ev_page_cache_get_max_width (view->page_cache, view->rotation, zoom, &max_width);
723 compute_border (view, max_width, max_width, &border);
725 if (view->dual_page) {
726 ev_page_cache_get_height_to_page (view->page_cache, page,
727 view->rotation, zoom, NULL, &offset);
728 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);
730 ev_page_cache_get_height_to_page (view->page_cache, page,
731 view->rotation, zoom, &offset, NULL);
732 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
740 get_page_extents (EvView *view,
742 GdkRectangle *page_area,
748 widget = GTK_WIDGET (view);
750 /* Get the size of the page */
751 ev_page_cache_get_size (view->page_cache, page,
755 compute_border (view, width, height, border);
756 page_area->width = width + border->left + border->right;
757 page_area->height = height + border->top + border->bottom;
759 if (view->presentation) {
760 page_area->x = (MAX (0, widget->allocation.width - width))/2;
761 page_area->y = (MAX (0, widget->allocation.height - height))/2;
762 } else if (view->continuous) {
766 ev_page_cache_get_max_width (view->page_cache, view->rotation,
767 view->scale, &max_width);
768 max_width = max_width + border->left + border->right;
769 /* Get the location of the bounding box */
770 if (view->dual_page) {
771 x = view->spacing + ((page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? 0 : 1) * (max_width + view->spacing);
772 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
773 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
774 x = x + (max_width - width - border->left - border->right);
777 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
780 get_page_y_offset (view, page, view->scale, &y);
786 if (view->dual_page) {
787 gint width_2, height_2;
788 gint max_width = width;
789 gint max_height = height;
790 GtkBorder overall_border;
793 other_page = (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? page + 1: page - 1;
795 /* First, we get the bounding box of the two pages */
796 if (other_page < ev_page_cache_get_n_pages (view->page_cache)
797 && (0 <= other_page)) {
798 ev_page_cache_get_size (view->page_cache,
802 &width_2, &height_2);
805 if (height_2 > height)
806 max_height = height_2;
808 compute_border (view, max_width, max_height, &overall_border);
810 /* Find the offsets */
814 /* Adjust for being the left or right page */
815 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
816 x = x + max_width - width;
818 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
820 y = y + (max_height - height)/2;
822 /* Adjust for extra allocation */
823 x = x + MAX (0, widget->allocation.width -
824 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
825 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
830 /* Adjust for extra allocation */
831 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
832 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
843 view_point_to_doc_point (EvView *view,
844 GdkPoint *view_point,
845 GdkRectangle *page_area,
849 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
850 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
854 view_rect_to_doc_rect (EvView *view,
855 GdkRectangle *view_rect,
856 GdkRectangle *page_area,
857 EvRectangle *doc_rect)
859 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
860 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
861 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
862 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
866 doc_point_to_view_point (EvView *view,
869 GdkPoint *view_point)
871 GdkRectangle page_area;
873 double x, y, view_x, view_y;
876 ev_page_cache_get_size (view->page_cache, page,
881 if (view->rotation == 0) {
884 } else if (view->rotation == 90) {
885 x = width - doc_point->y;
887 } else if (view->rotation == 180) {
888 x = width - doc_point->x;
889 y = height - doc_point->y;
890 } else if (view->rotation == 270) {
892 y = height - doc_point->x;
894 g_assert_not_reached ();
897 get_page_extents (view, page, &page_area, &border);
899 view_x = x * view->scale;
900 view_y = y * view->scale;
901 view_point->x = view_x + page_area.x;
902 view_point->y = view_y + page_area.y;
904 return (view_x > 0 && view_x <= page_area.width &&
905 view_y > 0 && view_y <= page_area.height);
909 doc_rect_to_view_rect (EvView *view,
911 EvRectangle *doc_rect,
912 GdkRectangle *view_rect)
914 GdkRectangle page_area;
919 ev_page_cache_get_size (view->page_cache, page,
924 if (view->rotation == 0) {
927 w = doc_rect->x2 - doc_rect->x1;
928 h = doc_rect->y2 - doc_rect->y1;
929 } else if (view->rotation == 90) {
930 x = width - doc_rect->y2;
932 w = doc_rect->y2 - doc_rect->y1;
933 h = doc_rect->x2 - doc_rect->x1;
934 } else if (view->rotation == 180) {
935 x = width - doc_rect->x2;
936 y = height - doc_rect->y2;
937 w = doc_rect->x2 - doc_rect->x1;
938 h = doc_rect->y2 - doc_rect->y1;
939 } else if (view->rotation == 270) {
941 y = height - doc_rect->x2;
942 w = doc_rect->y2 - doc_rect->y1;
943 h = doc_rect->x2 - doc_rect->x1;
945 g_assert_not_reached ();
948 get_page_extents (view, page, &page_area, &border);
950 view_rect->x = x * view->scale + page_area.x;
951 view_rect->y = y * view->scale + page_area.y;
952 view_rect->width = w * view->scale;
953 view_rect->height = h * view->scale;
957 find_page_at_location (EvView *view,
966 if (view->document == NULL)
973 for (i = view->start_page; i <= view->end_page; i++) {
974 GdkRectangle page_area;
977 if (! get_page_extents (view, i, &page_area, &border))
980 if ((x >= page_area.x + border.left) &&
981 (x < page_area.x + page_area.width - border.right) &&
982 (y >= page_area.y + border.top) &&
983 (y < page_area.y + page_area.height - border.bottom)) {
985 *x_offset = x - (page_area.x + border.left);
986 *y_offset = y - (page_area.y + border.top);
995 location_in_text (EvView *view,
1001 gint x_offset = 0, y_offset = 0;
1003 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1008 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
1011 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1017 ev_view_get_width (EvView *view)
1019 return GTK_WIDGET (view)->allocation.width;
1023 ev_view_get_height (EvView *view)
1025 return GTK_WIDGET (view)->allocation.height;
1029 location_in_selected_text (EvView *view,
1034 gint x_offset = 0, y_offset = 0;
1035 EvViewSelection *selection;
1038 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1039 selection = (EvViewSelection *)l->data;
1041 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1043 if (page != selection->page)
1046 if (selection->covered_region &&
1047 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1055 get_doc_point_from_offset (EvView *view,
1065 ev_page_cache_get_size (view->page_cache, page,
1070 x_offset = x_offset / view->scale;
1071 y_offset = y_offset / view->scale;
1073 if (view->rotation == 0) {
1076 } else if (view->rotation == 90) {
1078 y = width - x_offset;
1079 } else if (view->rotation == 180) {
1080 x = width - x_offset;
1081 y = height - y_offset;
1082 } else if (view->rotation == 270) {
1083 x = height - y_offset;
1086 g_assert_not_reached ();
1097 ev_view_get_link_at_location (EvView *view,
1102 gint x_offset = 0, y_offset = 0;
1103 gint x_new = 0, y_new = 0;
1104 GList *link_mapping;
1106 if (!EV_IS_DOCUMENT_LINKS (view->document))
1109 x += view->scroll_x;
1110 y += view->scroll_y;
1112 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1118 if (get_doc_point_from_offset (view, page, x_offset,
1119 y_offset, &x_new, &y_new) == FALSE)
1122 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1125 return ev_link_mapping_find (link_mapping, x_new, y_new);
1131 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1134 gdouble zoom, left, top;
1135 gboolean change_left, change_top;
1137 left = ev_link_dest_get_left (dest, &change_left);
1138 top = ev_link_dest_get_top (dest, &change_top);
1140 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - left,
1141 ev_link_dest_get_bottom (dest) - top,
1142 ev_view_get_width (view),
1143 ev_view_get_height (view), 0, 0);
1145 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1146 ev_view_set_zoom (view, zoom, FALSE);
1148 doc_point.x = change_left ? left : 0;
1149 doc_point.y = change_top ? top : 0;
1151 view->current_page = ev_link_dest_get_page (dest);
1152 if (change_left || change_top)
1153 view->pending_point = doc_point;
1154 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1156 gtk_widget_queue_resize (GTK_WIDGET (view));
1160 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1163 int doc_width, doc_height, page;
1165 gboolean change_left;
1167 page = ev_link_dest_get_page (dest);
1168 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1170 left = ev_link_dest_get_left (dest, &change_left);
1171 doc_point.x = change_left ? left : 0;
1174 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1175 ev_view_get_width (view),
1176 ev_view_get_height (view), 0);
1178 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1179 ev_view_set_zoom (view, zoom, FALSE);
1181 view->current_page = page;
1183 view->pending_point = doc_point;
1184 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1186 gtk_widget_queue_resize (GTK_WIDGET (view));
1190 goto_fith_dest (EvView *view, EvLinkDest *dest)
1193 int doc_width, doc_height, page;
1195 gboolean change_top;
1197 page = ev_link_dest_get_page (dest);
1198 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1200 top = ev_link_dest_get_top (dest, &change_top);
1203 doc_point.y = change_top ? top : 0;
1205 zoom = zoom_for_size_fit_width (doc_width, top,
1206 ev_view_get_width (view),
1207 ev_view_get_height (view), 0);
1209 ev_view_set_sizing_mode (view, EV_SIZING_FIT_WIDTH);
1210 ev_view_set_zoom (view, zoom, FALSE);
1212 view->current_page = page;
1214 view->pending_point = doc_point;
1215 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1217 gtk_widget_queue_resize (GTK_WIDGET (view));
1221 goto_fit_dest (EvView *view, EvLinkDest *dest)
1224 int doc_width, doc_height;
1227 page = ev_link_dest_get_page (dest);
1228 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1230 zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view),
1231 ev_view_get_height (view), 0, 0);
1233 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
1234 ev_view_set_zoom (view, zoom, FALSE);
1236 view->current_page = page;
1237 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1239 gtk_widget_queue_resize (GTK_WIDGET (view));
1243 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1247 gdouble zoom, left, top;
1248 gboolean change_zoom, change_left, change_top;
1250 zoom = ev_link_dest_get_zoom (dest, &change_zoom);
1251 page = ev_link_dest_get_page (dest);
1253 if (change_zoom && zoom > 1) {
1254 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1255 ev_view_set_zoom (view, zoom, FALSE);
1258 left = ev_link_dest_get_left (dest, &change_left);
1259 top = ev_link_dest_get_top (dest, &change_top);
1261 doc_point.x = change_left ? left : 0;
1262 doc_point.y = change_top ? top : 0;
1264 view->current_page = page;
1265 if (change_left || change_top)
1266 view->pending_point = doc_point;
1267 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1269 gtk_widget_queue_resize (GTK_WIDGET (view));
1273 goto_dest (EvView *view, EvLinkDest *dest)
1275 EvLinkDestType type;
1276 int page, n_pages, current_page;
1278 page = ev_link_dest_get_page (dest);
1279 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1281 if (page < 0 || page >= n_pages)
1284 current_page = view->current_page;
1286 type = ev_link_dest_get_dest_type (dest);
1289 case EV_LINK_DEST_TYPE_PAGE:
1290 ev_page_cache_set_current_page (view->page_cache, page);
1292 case EV_LINK_DEST_TYPE_FIT:
1293 goto_fit_dest (view, dest);
1295 case EV_LINK_DEST_TYPE_FITH:
1296 goto_fith_dest (view, dest);
1298 case EV_LINK_DEST_TYPE_FITV:
1299 goto_fitv_dest (view, dest);
1301 case EV_LINK_DEST_TYPE_FITR:
1302 goto_fitr_dest (view, dest);
1304 case EV_LINK_DEST_TYPE_XYZ:
1305 goto_xyz_dest (view, dest);
1307 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1308 ev_page_cache_set_page_label (view->page_cache, ev_link_dest_get_page_label (dest));
1311 g_assert_not_reached ();
1314 if (current_page != view->current_page)
1315 ev_page_cache_set_current_page (view->page_cache,
1316 view->current_page);
1320 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1322 EvLinkDestType type;
1324 type = ev_link_dest_get_dest_type (dest);
1326 if (type == EV_LINK_DEST_TYPE_NAMED) {
1328 const gchar *named_dest;
1330 named_dest = ev_link_dest_get_named_dest (dest);
1331 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1334 goto_dest (view, dest2);
1335 g_object_unref (dest2);
1341 goto_dest (view, dest);
1345 ev_view_handle_link (EvView *view, EvLink *link)
1347 EvLinkAction *action = NULL;
1348 EvLinkActionType type;
1350 action = ev_link_get_action (link);
1354 type = ev_link_action_get_action_type (action);
1357 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1360 g_signal_emit (view, signals[SIGNAL_HANDLE_LINK], 0, link);
1362 dest = ev_link_action_get_dest (action);
1363 ev_view_goto_dest (view, dest);
1366 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1367 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1368 case EV_LINK_ACTION_TYPE_LAUNCH:
1369 case EV_LINK_ACTION_TYPE_NAMED:
1370 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1376 ev_view_page_label_from_dest (EvView *view, EvLinkDest *dest)
1378 EvLinkDestType type;
1381 type = ev_link_dest_get_dest_type (dest);
1384 case EV_LINK_DEST_TYPE_NAMED: {
1386 const gchar *named_dest;
1388 named_dest = ev_link_dest_get_named_dest (dest);
1389 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1392 msg = ev_page_cache_get_page_label (view->page_cache,
1393 ev_link_dest_get_page (dest2));
1394 g_object_unref (dest2);
1399 case EV_LINK_DEST_TYPE_PAGE_LABEL: {
1400 msg = g_strdup (ev_link_dest_get_page_label (dest));
1404 msg = ev_page_cache_get_page_label (view->page_cache,
1405 ev_link_dest_get_page (dest));
1412 tip_from_action_named (EvLinkAction *action)
1414 const gchar *name = ev_link_action_get_name (action);
1416 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1417 return g_strdup (_("Go to first page"));
1418 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1419 return g_strdup (_("Go to previous page"));
1420 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1421 return g_strdup (_("Go to next page"));
1422 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1423 return g_strdup (_("Go to last page"));
1424 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1425 return g_strdup (_("Go to page"));
1426 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1427 return g_strdup (_("Find"));
1434 tip_from_link (EvView *view, EvLink *link)
1436 EvLinkAction *action;
1437 EvLinkActionType type;
1442 action = ev_link_get_action (link);
1443 title = ev_link_get_title (link);
1446 return title ? g_strdup (title) : NULL;
1448 type = ev_link_action_get_action_type (action);
1451 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1452 page_label = ev_view_page_label_from_dest (view,
1453 ev_link_action_get_dest (action));
1455 msg = g_strdup_printf (_("Go to page %s"), page_label);
1456 g_free (page_label);
1459 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1461 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1462 ev_link_action_get_filename (action));
1464 msg = g_strdup_printf (_("Go to file “%s”"),
1465 ev_link_action_get_filename (action));
1468 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1469 msg = g_strdup (ev_link_action_get_uri (action));
1471 case EV_LINK_ACTION_TYPE_LAUNCH:
1472 msg = g_strdup_printf (_("Launch %s"),
1473 ev_link_action_get_filename (action));
1475 case EV_LINK_ACTION_TYPE_NAMED:
1476 msg = tip_from_action_named (action);
1480 msg = g_strdup (title);
1488 ev_view_handle_cursor_over_xy (EvView *view, gint x, gint y)
1493 if (view->cursor == EV_VIEW_CURSOR_HIDDEN)
1496 if (view->drag_info.in_drag) {
1497 if (view->cursor != EV_VIEW_CURSOR_DRAG)
1498 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1502 if (view->scroll_info.autoscrolling) {
1503 if (view->cursor != EV_VIEW_CURSOR_AUTOSCROLL)
1504 ev_view_set_cursor (view, EV_VIEW_CURSOR_AUTOSCROLL);
1508 link = ev_view_get_link_at_location (view, x, y);
1510 g_object_set (view, "has-tooltip", TRUE, NULL);
1511 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1512 } else if ((field = ev_view_get_form_field_at_location (view, x, y))) {
1513 if (field->is_read_only) {
1514 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1515 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1516 view->cursor == EV_VIEW_CURSOR_DRAG)
1517 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1518 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
1519 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1521 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1523 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1524 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1526 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1527 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1528 view->cursor == EV_VIEW_CURSOR_DRAG ||
1529 view->cursor == EV_VIEW_CURSOR_AUTOSCROLL)
1530 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1536 ev_view_get_image_at_location (EvView *view,
1541 gint x_offset = 0, y_offset = 0;
1542 gint x_new = 0, y_new = 0;
1543 GList *image_mapping;
1545 if (!EV_IS_DOCUMENT_IMAGES (view->document))
1548 x += view->scroll_x;
1549 y += view->scroll_y;
1551 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1556 if (get_doc_point_from_offset (view, page, x_offset,
1557 y_offset, &x_new, &y_new) == FALSE)
1560 image_mapping = ev_pixbuf_cache_get_image_mapping (view->pixbuf_cache, page);
1563 return ev_image_mapping_find (image_mapping, x_new, y_new);
1569 static EvFormField *
1570 ev_view_get_form_field_at_location (EvView *view,
1575 gint x_offset = 0, y_offset = 0;
1576 gint x_new = 0, y_new = 0;
1577 GList *forms_mapping;
1579 if (!EV_IS_DOCUMENT_FORMS (view->document))
1582 x += view->scroll_x;
1583 y += view->scroll_y;
1585 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1590 if (get_doc_point_from_offset (view, page, x_offset,
1591 y_offset, &x_new, &y_new) == FALSE)
1594 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, page);
1597 return ev_form_field_mapping_find (forms_mapping, x_new, y_new);
1603 ev_view_form_field_get_region (EvView *view,
1606 EvRectangle field_area;
1607 GdkRectangle view_area;
1608 GList *forms_mapping;
1610 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
1611 field->page->index);
1612 ev_form_field_mapping_get_area (forms_mapping, field, &field_area);
1613 doc_rect_to_view_rect (view, field->page->index, &field_area, &view_area);
1614 view_area.x -= view->scroll_x;
1615 view_area.y -= view->scroll_y;
1617 return gdk_region_rectangle (&view_area);
1621 ev_view_forms_remove_widgets (EvView *view)
1623 ev_view_remove_all (view);
1629 ev_view_form_field_destroy (GtkWidget *widget,
1632 g_idle_add ((GSourceFunc)ev_view_forms_remove_widgets, view);
1636 ev_view_form_field_button_create_widget (EvView *view,
1639 EvFormFieldButton *field_button = EV_FORM_FIELD_BUTTON (field);
1640 GdkRegion *field_region = NULL;
1642 switch (field_button->type) {
1643 case EV_FORM_FIELD_BUTTON_PUSH:
1645 case EV_FORM_FIELD_BUTTON_CHECK:
1646 case EV_FORM_FIELD_BUTTON_RADIO: {
1648 GList *forms_mapping, *l;
1650 state = ev_document_forms_form_field_button_get_state (EV_DOCUMENT_FORMS (view->document),
1653 /* FIXME: it actually depends on NoToggleToOff flags */
1654 if (field_button->type == EV_FORM_FIELD_BUTTON_RADIO &&
1655 state && field_button->state)
1658 field_region = ev_view_form_field_get_region (view, field);
1660 /* For radio buttons and checkbox buttons that are in a set
1661 * we need to update also the region for the current selected item
1663 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
1664 field->page->index);
1665 for (l = forms_mapping; l; l = g_list_next (l)) {
1666 EvFormField *button = ((EvFormFieldMapping *)(l->data))->field;
1667 GdkRegion *button_region;
1669 if (button->id == field->id)
1672 /* FIXME: only buttons in the same group should be updated */
1673 if (!EV_IS_FORM_FIELD_BUTTON (button) ||
1674 EV_FORM_FIELD_BUTTON (button)->type != field_button->type ||
1675 EV_FORM_FIELD_BUTTON (button)->state != TRUE)
1678 button_region = ev_view_form_field_get_region (view, button);
1679 gdk_region_union (field_region, button_region);
1680 gdk_region_destroy (button_region);
1683 ev_document_forms_form_field_button_set_state (EV_DOCUMENT_FORMS (view->document),
1685 field_button->state = !state;
1690 ev_view_reload_page (view, field->page->index, field_region);
1691 gdk_region_destroy (field_region);
1697 ev_view_form_field_text_save (EvView *view,
1702 if (!view->document)
1705 field = g_object_get_data (G_OBJECT (widget), "form-field");
1707 if (field->changed) {
1708 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1709 GdkRegion *field_region;
1711 field_region = ev_view_form_field_get_region (view, field);
1713 ev_document_forms_form_field_text_set_text (EV_DOCUMENT_FORMS (view->document),
1714 field, field_text->text);
1715 field->changed = FALSE;
1716 ev_view_reload_page (view, field->page->index, field_region);
1717 gdk_region_destroy (field_region);
1722 ev_view_form_field_text_changed (GtkWidget *widget,
1725 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1728 if (GTK_IS_ENTRY (widget)) {
1729 text = g_strdup (gtk_entry_get_text (GTK_ENTRY (widget)));
1730 } else if (GTK_IS_TEXT_BUFFER (widget)) {
1731 GtkTextIter start, end;
1733 gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (widget), &start, &end);
1734 text = gtk_text_buffer_get_text (GTK_TEXT_BUFFER (widget),
1735 &start, &end, FALSE);
1738 if (!field_text->text ||
1739 (field_text->text && g_ascii_strcasecmp (field_text->text, text) != 0)) {
1740 g_free (field_text->text);
1741 field_text->text = text;
1742 field->changed = TRUE;
1747 ev_view_form_field_text_create_widget (EvView *view,
1750 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1751 GtkWidget *text = NULL;
1754 txt = ev_document_forms_form_field_text_get_text (EV_DOCUMENT_FORMS (view->document),
1757 switch (field_text->type) {
1758 case EV_FORM_FIELD_TEXT_FILE_SELECT:
1760 case EV_FORM_FIELD_TEXT_NORMAL:
1761 text = gtk_entry_new ();
1762 gtk_entry_set_has_frame (GTK_ENTRY (text), FALSE);
1763 gtk_entry_set_max_length (GTK_ENTRY (text), field_text->max_len);
1764 gtk_entry_set_visibility (GTK_ENTRY (text), !field_text->is_password);
1767 gtk_entry_set_text (GTK_ENTRY (text), txt);
1771 g_signal_connect (text, "changed",
1772 G_CALLBACK (ev_view_form_field_text_changed),
1774 g_signal_connect_after (text, "activate",
1775 G_CALLBACK (ev_view_form_field_destroy),
1778 case EV_FORM_FIELD_TEXT_MULTILINE: {
1779 GtkTextBuffer *buffer;
1781 text = gtk_text_view_new ();
1782 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text));
1785 gtk_text_buffer_set_text (buffer, txt, -1);
1789 g_signal_connect (buffer, "changed",
1790 G_CALLBACK (ev_view_form_field_text_changed),
1796 g_object_weak_ref (G_OBJECT (text),
1797 (GWeakNotify)ev_view_form_field_text_save,
1804 ev_view_form_field_choice_save (EvView *view,
1809 if (!view->document)
1812 field = g_object_get_data (G_OBJECT (widget), "form-field");
1814 if (field->changed) {
1816 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
1817 GdkRegion *field_region;
1819 field_region = ev_view_form_field_get_region (view, field);
1821 if (field_choice->is_editable) {
1822 ev_document_forms_form_field_choice_set_text (EV_DOCUMENT_FORMS (view->document),
1823 field, field_choice->text);
1825 ev_document_forms_form_field_choice_unselect_all (EV_DOCUMENT_FORMS (view->document), field);
1826 for (l = field_choice->selected_items; l; l = g_list_next (l)) {
1827 ev_document_forms_form_field_choice_select_item (EV_DOCUMENT_FORMS (view->document),
1829 GPOINTER_TO_INT (l->data));
1832 field->changed = FALSE;
1833 ev_view_reload_page (view, field->page->index, field_region);
1834 gdk_region_destroy (field_region);
1839 ev_view_form_field_choice_changed (GtkWidget *widget,
1842 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
1844 if (GTK_IS_COMBO_BOX (widget)) {
1847 item = gtk_combo_box_get_active (GTK_COMBO_BOX (widget));
1848 if (!field_choice->selected_items ||
1849 GPOINTER_TO_INT (field_choice->selected_items->data) != item) {
1850 g_list_free (field_choice->selected_items);
1851 field_choice->selected_items = NULL;
1852 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1853 GINT_TO_POINTER (item));
1854 field->changed = TRUE;
1857 if (GTK_IS_COMBO_BOX_ENTRY (widget)) {
1860 text = gtk_combo_box_get_active_text (GTK_COMBO_BOX (widget));
1861 if (!field_choice->text ||
1862 (field_choice->text && g_ascii_strcasecmp (field_choice->text, text) != 0)) {
1863 g_free (field_choice->text);
1864 field_choice->text = text;
1865 field->changed = TRUE;
1868 } else if (GTK_IS_TREE_SELECTION (widget)) {
1869 GtkTreeSelection *selection = GTK_TREE_SELECTION (widget);
1870 GtkTreeModel *model;
1873 items = gtk_tree_selection_get_selected_rows (selection, &model);
1874 g_list_free (field_choice->selected_items);
1875 field_choice->selected_items = NULL;
1877 for (l = items; l && l->data; l = g_list_next (l)) {
1879 GtkTreePath *path = (GtkTreePath *)l->data;
1882 gtk_tree_model_get_iter (model, &iter, path);
1883 gtk_tree_model_get (model, &iter, 1, &item, -1);
1885 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1886 GINT_TO_POINTER (item));
1888 gtk_tree_path_free (path);
1891 g_list_free (items);
1893 field->changed = TRUE;
1898 ev_view_form_field_choice_create_widget (EvView *view,
1901 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
1903 GtkTreeModel *model;
1905 gint selected_item = 0;
1907 n_items = ev_document_forms_form_field_choice_get_n_items (EV_DOCUMENT_FORMS (view->document),
1909 model = GTK_TREE_MODEL (gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT));
1910 for (i = 0; i < n_items; i++) {
1914 item = ev_document_forms_form_field_choice_get_item (EV_DOCUMENT_FORMS (view->document),
1916 if (ev_document_forms_form_field_choice_is_item_selected (
1917 EV_DOCUMENT_FORMS (view->document), field, i)) {
1919 /* FIXME: we need a get_selected_items function in poppler */
1920 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1921 GINT_TO_POINTER (i));
1925 gtk_list_store_append (GTK_LIST_STORE (model), &iter);
1926 gtk_list_store_set (GTK_LIST_STORE (model), &iter,
1934 if (field_choice->type == EV_FORM_FIELD_CHOICE_LIST) {
1935 GtkCellRenderer *renderer;
1936 GtkWidget *tree_view;
1937 GtkTreeSelection *selection;
1939 tree_view = gtk_tree_view_new_with_model (model);
1940 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);
1942 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
1943 if (field_choice->multi_select) {
1944 gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
1947 /* TODO: set selected items */
1949 renderer = gtk_cell_renderer_text_new ();
1950 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
1956 choice = gtk_scrolled_window_new (NULL, NULL);
1957 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (choice),
1958 GTK_POLICY_AUTOMATIC,
1959 GTK_POLICY_AUTOMATIC);
1960 gtk_container_add (GTK_CONTAINER (choice), tree_view);
1961 gtk_widget_show (tree_view);
1963 g_signal_connect (selection, "changed",
1964 G_CALLBACK (ev_view_form_field_choice_changed),
1966 g_signal_connect_after (selection, "changed",
1967 G_CALLBACK (ev_view_form_field_destroy),
1969 } else if (field_choice->is_editable) { /* ComboBoxEntry */
1972 choice = gtk_combo_box_entry_new_with_model (model, 0);
1973 text = ev_document_forms_form_field_choice_get_text (EV_DOCUMENT_FORMS (view->document), field);
1975 gtk_entry_set_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (choice))), text);
1979 g_signal_connect (choice, "changed",
1980 G_CALLBACK (ev_view_form_field_choice_changed),
1982 g_signal_connect_after (GTK_BIN(choice)->child, "activate",
1983 G_CALLBACK (ev_view_form_field_destroy),
1985 } else { /* ComboBoxText */
1986 GtkCellRenderer *renderer;
1988 choice = gtk_combo_box_new_with_model (model);
1989 renderer = gtk_cell_renderer_text_new ();
1990 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (choice),
1992 gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (choice),
1996 gtk_combo_box_set_active (GTK_COMBO_BOX (choice), selected_item);
1997 gtk_combo_box_popup (GTK_COMBO_BOX (choice));
1999 g_signal_connect (choice, "changed",
2000 G_CALLBACK (ev_view_form_field_choice_changed),
2002 g_signal_connect_after (choice, "changed",
2003 G_CALLBACK (ev_view_form_field_destroy),
2007 g_object_unref (model);
2009 g_object_weak_ref (G_OBJECT (choice),
2010 (GWeakNotify)ev_view_form_field_choice_save,
2017 ev_view_handle_form_field (EvView *view,
2022 GtkWidget *field_widget = NULL;
2023 GList *form_field_mapping;
2024 EvRectangle field_area;
2025 GdkRectangle view_area;
2027 if (field->is_read_only)
2030 if (EV_IS_FORM_FIELD_BUTTON (field)) {
2031 field_widget = ev_view_form_field_button_create_widget (view, field);
2032 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
2033 field_widget = ev_view_form_field_text_create_widget (view, field);
2034 } else if (EV_IS_FORM_FIELD_CHOICE (field)) {
2035 field_widget = ev_view_form_field_choice_create_widget (view, field);
2036 } else if (EV_IS_FORM_FIELD_SIGNATURE (field)) {
2040 /* Form field doesn't require a widget */
2044 g_object_set_data_full (G_OBJECT (field_widget), "form-field",
2045 g_object_ref (field),
2046 (GDestroyNotify)g_object_unref);
2048 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, field->page->index);
2049 ev_form_field_mapping_get_area (form_field_mapping, field, &field_area);
2051 doc_rect_to_view_rect (view, field->page->index, &field_area, &view_area);
2052 view_area.x -= view->scroll_x;
2053 view_area.y -= view->scroll_y;
2055 gtk_layout_put (GTK_LAYOUT (view), field_widget, view_area.x, view_area.y);
2056 gtk_widget_show (field_widget);
2057 gtk_widget_grab_focus (field_widget);
2060 /*** GtkWidget implementation ***/
2063 ev_view_size_request_continuous_dual_page (EvView *view,
2064 GtkRequisition *requisition)
2070 ev_page_cache_get_max_width (view->page_cache, view->rotation,
2071 view->scale, &max_width);
2072 compute_border (view, max_width, max_width, &border);
2074 n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1;
2076 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
2077 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
2079 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2080 requisition->width = 1;
2081 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2082 requisition->width = 1;
2083 /* FIXME: This could actually be set on one page docs or docs
2084 * with a strange aspect ratio. */
2085 /* requisition->height = 1;*/
2090 ev_view_size_request_continuous (EvView *view,
2091 GtkRequisition *requisition)
2098 ev_page_cache_get_max_width (view->page_cache, view->rotation,
2099 view->scale, &max_width);
2100 n_pages = ev_page_cache_get_n_pages (view->page_cache);
2101 compute_border (view, max_width, max_width, &border);
2103 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
2104 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
2106 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2107 requisition->width = 1;
2108 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2109 requisition->width = 1;
2110 /* FIXME: This could actually be set on one page docs or docs
2111 * with a strange aspect ratio. */
2112 /* requisition->height = 1;*/
2117 ev_view_size_request_dual_page (EvView *view,
2118 GtkRequisition *requisition)
2123 /* Find the largest of the two. */
2124 ev_page_cache_get_size (view->page_cache,
2129 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) {
2130 gint width_2, height_2;
2131 ev_page_cache_get_size (view->page_cache,
2132 view->current_page + 1,
2135 &width_2, &height_2);
2136 if (width_2 > width) {
2141 compute_border (view, width, height, &border);
2143 requisition->width = ((width + border.left + border.right) * 2) +
2144 (view->spacing * 3);
2145 requisition->height = (height + border.top + border.bottom) +
2146 (view->spacing * 2);
2148 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2149 requisition->width = 1;
2150 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2151 requisition->width = 1;
2152 requisition->height = 1;
2157 ev_view_size_request_single_page (EvView *view,
2158 GtkRequisition *requisition)
2163 ev_page_cache_get_size (view->page_cache,
2168 compute_border (view, width, height, &border);
2170 requisition->width = width + border.left + border.right + (2 * view->spacing);
2171 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2173 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2174 requisition->width = 1;
2175 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2176 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2177 requisition->width = 1;
2178 requisition->height = 1;
2183 ev_view_size_request (GtkWidget *widget,
2184 GtkRequisition *requisition)
2186 EvView *view = EV_VIEW (widget);
2188 if (view->document == NULL) {
2189 requisition->width = 1;
2190 requisition->height = 1;
2194 if (view->presentation) {
2195 requisition->width = 1;
2196 requisition->height = 1;
2200 if (view->continuous && view->dual_page)
2201 ev_view_size_request_continuous_dual_page (view, requisition);
2202 else if (view->continuous)
2203 ev_view_size_request_continuous (view, requisition);
2204 else if (view->dual_page)
2205 ev_view_size_request_dual_page (view, requisition);
2207 ev_view_size_request_single_page (view, requisition);
2211 ev_view_size_allocate (GtkWidget *widget,
2212 GtkAllocation *allocation)
2214 EvView *view = EV_VIEW (widget);
2215 GList *children, *l;
2217 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
2219 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2220 view->sizing_mode == EV_SIZING_BEST_FIT) {
2221 g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0);
2222 ev_view_size_request (widget, &widget->requisition);
2225 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
2226 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
2229 view_update_range_and_current_page (view);
2231 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2232 view->pending_resize = FALSE;
2234 children = gtk_container_get_children (GTK_CONTAINER (widget));
2235 for (l = children; l && l->data; l = g_list_next (l)) {
2237 EvRectangle field_area;
2238 GdkRectangle view_area;
2239 GList *form_field_mapping;
2240 GtkAllocation child_allocation;
2241 GtkRequisition child_requisition;
2242 GtkWidget *child = (GtkWidget *)l->data;
2244 field = g_object_get_data (G_OBJECT (child), "form-field");
2248 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
2249 field->page->index);
2250 ev_form_field_mapping_get_area (form_field_mapping, field, &field_area);
2252 doc_rect_to_view_rect (view, field->page->index, &field_area, &view_area);
2253 view_area.x -= view->scroll_x;
2254 view_area.y -= view->scroll_y;
2256 gtk_widget_size_request (child, &child_requisition);
2257 if (child_requisition.width != view_area.width ||
2258 child_requisition.height != view_area.height)
2259 gtk_widget_set_size_request (child, view_area.width, view_area.height);
2261 gtk_container_child_get (GTK_CONTAINER (widget),
2263 "x", &child_allocation.x,
2264 "y", &child_allocation.y,
2266 if (child_allocation.x != view_area.x ||
2267 child_allocation.y != view_area.y) {
2268 gtk_layout_move (GTK_LAYOUT (widget), child, view_area.x, view_area.y);
2271 g_list_free (children);
2275 ev_view_realize (GtkWidget *widget)
2277 EvView *view = EV_VIEW (widget);
2279 if (GTK_WIDGET_CLASS (ev_view_parent_class)->realize)
2280 (* GTK_WIDGET_CLASS (ev_view_parent_class)->realize) (widget);
2282 gdk_window_set_events (view->layout.bin_window,
2283 (gdk_window_get_events (view->layout.bin_window) |
2285 GDK_BUTTON_PRESS_MASK |
2286 GDK_BUTTON_RELEASE_MASK |
2288 GDK_KEY_PRESS_MASK |
2289 GDK_POINTER_MOTION_MASK |
2290 GDK_POINTER_MOTION_HINT_MASK |
2291 GDK_ENTER_NOTIFY_MASK |
2292 GDK_LEAVE_NOTIFY_MASK));
2294 if (view->presentation)
2295 gdk_window_set_background (view->layout.bin_window, &widget->style->black);
2297 gdk_window_set_background (view->layout.bin_window, &widget->style->mid [GTK_STATE_NORMAL]);
2301 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
2303 EvView *view = EV_VIEW (widget);
2306 state = event->state & gtk_accelerator_get_default_mod_mask ();
2308 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
2309 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
2311 if (event->direction == GDK_SCROLL_UP ||
2312 event->direction == GDK_SCROLL_LEFT) {
2313 if (ev_view_can_zoom_in (view)) {
2314 ev_view_zoom_in (view);
2317 if (ev_view_can_zoom_out (view)) {
2318 ev_view_zoom_out (view);
2325 view->jump_to_find_result = FALSE;
2327 /* Shift+Wheel scrolls the in the perpendicular direction */
2328 if (state & GDK_SHIFT_MASK) {
2329 if (event->direction == GDK_SCROLL_UP)
2330 event->direction = GDK_SCROLL_LEFT;
2331 else if (event->direction == GDK_SCROLL_LEFT)
2332 event->direction = GDK_SCROLL_UP;
2333 else if (event->direction == GDK_SCROLL_DOWN)
2334 event->direction = GDK_SCROLL_RIGHT;
2335 else if (event->direction == GDK_SCROLL_RIGHT)
2336 event->direction = GDK_SCROLL_DOWN;
2338 event->state &= ~GDK_SHIFT_MASK;
2339 state &= ~GDK_SHIFT_MASK;
2342 if (state == 0 && view->presentation) {
2343 switch (event->direction) {
2344 case GDK_SCROLL_DOWN:
2345 case GDK_SCROLL_RIGHT:
2346 ev_view_next_page (view);
2349 case GDK_SCROLL_LEFT:
2350 ev_view_previous_page (view);
2360 static EvViewSelection *
2361 find_selection_for_page (EvView *view,
2366 for (list = view->selection_info.selections; list != NULL; list = list->next) {
2367 EvViewSelection *selection;
2369 selection = (EvViewSelection *) list->data;
2371 if (selection->page == page)
2379 draw_end_presentation_page (EvView *view,
2380 GdkRectangle *page_area)
2382 PangoLayout *layout;
2383 PangoFontDescription *font_desc;
2385 const gchar *text = _("End of presentation. Press Escape to exit.");
2387 if (view->presentation_state != EV_PRESENTATION_END)
2390 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), NULL);
2391 markup = g_strdup_printf ("<span foreground=\"white\">%s</span>", text);
2392 pango_layout_set_markup (layout, markup, -1);
2395 font_desc = pango_font_description_new ();
2396 pango_font_description_set_size (font_desc, 16 * PANGO_SCALE);
2397 pango_layout_set_font_description (layout, font_desc);
2399 gtk_paint_layout (GTK_WIDGET (view)->style,
2400 view->layout.bin_window,
2401 GTK_WIDGET_STATE (view),
2410 pango_font_description_free (font_desc);
2411 g_object_unref (layout);
2415 ev_view_expose_event (GtkWidget *widget,
2416 GdkEventExpose *event)
2418 EvView *view = EV_VIEW (widget);
2422 if (view->animation) {
2423 if (ev_transition_animation_ready (view->animation)) {
2424 GdkRectangle page_area;
2427 if (get_page_extents (view, view->current_page, &page_area, &border)) {
2428 cr = gdk_cairo_create (view->layout.bin_window);
2430 /* normalize to x=0, y=0 */
2431 cairo_translate (cr, page_area.x, page_area.y);
2432 page_area.x = page_area.y = 0;
2434 ev_transition_animation_paint (view->animation, cr, page_area);
2442 if (view->presentation) {
2443 switch (view->presentation_state) {
2444 case EV_PRESENTATION_END: {
2445 GdkRectangle area = {0};
2447 area.width = widget->allocation.width;
2448 area.height = widget->allocation.height;
2450 draw_end_presentation_page (view, &area);
2453 case EV_PRESENTATION_BLACK:
2454 case EV_PRESENTATION_WHITE:
2456 case EV_PRESENTATION_NORMAL:
2460 } else if (view->loading) {
2461 GdkRectangle area = {0};
2463 area.width = widget->allocation.width;
2464 area.height = widget->allocation.height;
2466 draw_loading_text (view,
2471 if (view->document == NULL)
2474 cr = gdk_cairo_create (view->layout.bin_window);
2476 for (i = view->start_page; i <= view->end_page; i++) {
2477 GdkRectangle page_area;
2479 gboolean page_ready = TRUE;
2481 if (!get_page_extents (view, i, &page_area, &border))
2484 page_area.x -= view->scroll_x;
2485 page_area.y -= view->scroll_y;
2487 draw_one_page (view, i, cr, &page_area, &border, &(event->area), &page_ready);
2489 if (page_ready && view->find_pages && view->highlight_find_results)
2490 highlight_find_results (view, i);
2495 if (GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event)
2496 (* GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) (widget, event);
2502 ev_view_do_popup_menu (EvView *view,
2509 image = ev_view_get_image_at_location (view, x, y);
2511 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, image);
2515 link = ev_view_get_link_at_location (view, x, y);
2517 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
2521 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, NULL);
2527 ev_view_popup_menu (GtkWidget *widget)
2531 gtk_widget_get_pointer (widget, &x, &y);
2532 return ev_view_do_popup_menu (EV_VIEW (widget), x, y);
2536 get_link_area (EvView *view,
2542 EvRectangle ev_rect;
2543 GList *link_mapping;
2545 gint x_offset = 0, y_offset = 0;
2547 x += view->scroll_x;
2548 y += view->scroll_y;
2550 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
2552 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
2553 ev_link_mapping_get_area (link_mapping, link, &ev_rect);
2555 doc_rect_to_view_rect (view, page, &ev_rect, area);
2556 area->y -= view->scroll_y ;
2560 ev_view_query_tooltip (GtkWidget *widget,
2563 gboolean keyboard_tip,
2564 GtkTooltip *tooltip)
2566 EvView *view = EV_VIEW (widget);
2570 link = ev_view_get_link_at_location (view, x, y);
2574 text = tip_from_link (view, link);
2575 if (text && g_utf8_validate (text, -1, NULL)) {
2576 GdkRectangle link_area;
2578 get_link_area (view, x, y, link, &link_area);
2579 gtk_tooltip_set_text (tooltip, text);
2580 gtk_tooltip_set_tip_area (tooltip, &link_area);
2588 start_selection_for_event (EvView *view,
2589 GdkEventButton *event)
2591 EvSelectionStyle style;
2593 clear_selection (view);
2595 view->selection_info.start.x = event->x + view->scroll_x;
2596 view->selection_info.start.y = event->y + view->scroll_y;
2598 switch (event->type) {
2599 case GDK_2BUTTON_PRESS:
2600 style = EV_SELECTION_STYLE_WORD;
2602 case GDK_3BUTTON_PRESS:
2603 style = EV_SELECTION_STYLE_LINE;
2606 style = EV_SELECTION_STYLE_GLYPH;
2610 view->selection_info.style = style;
2614 ev_view_button_press_event (GtkWidget *widget,
2615 GdkEventButton *event)
2617 EvView *view = EV_VIEW (widget);
2619 if (!view->document)
2622 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
2623 gtk_widget_grab_focus (widget);
2626 view->pressed_button = event->button;
2627 view->selection_info.in_drag = FALSE;
2629 if (view->scroll_info.autoscrolling)
2632 switch (event->button) {
2637 if (EV_IS_SELECTION (view->document) && view->selection_info.selections) {
2638 if (event->type == GDK_3BUTTON_PRESS) {
2639 start_selection_for_event (view, event);
2640 } else if (location_in_selected_text (view,
2641 event->x + view->scroll_x,
2642 event->y + view->scroll_y)) {
2643 view->selection_info.in_drag = TRUE;
2645 start_selection_for_event (view, event);
2648 gtk_widget_queue_draw (widget);
2649 } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) {
2650 ev_view_remove_all (view);
2651 ev_view_handle_form_field (view, field, event->x, event->y);
2652 } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) &&
2653 (image = ev_view_get_image_at_location (view, event->x, event->y))) {
2654 if (view->image_dnd_info.image)
2655 g_object_unref (view->image_dnd_info.image);
2656 view->image_dnd_info.image = g_object_ref (image);
2657 view->image_dnd_info.in_drag = TRUE;
2659 view->image_dnd_info.start.x = event->x + view->scroll_x;
2660 view->image_dnd_info.start.y = event->y + view->scroll_y;
2662 ev_view_remove_all (view);
2664 if (EV_IS_SELECTION (view->document))
2665 start_selection_for_event (view, event);
2670 /* use root coordinates as reference point because
2671 * scrolling changes window relative coordinates */
2672 view->drag_info.start.x = event->x_root;
2673 view->drag_info.start.y = event->y_root;
2674 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
2675 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
2677 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
2681 view->scroll_info.start_y = event->y;
2682 return ev_view_do_popup_menu (view, event->x, event->y);
2689 ev_view_remove_all (EvView *view)
2691 GList *children, *child;
2693 children = gtk_container_get_children (GTK_CONTAINER (view));
2694 for (child = children; child && child->data; child = g_list_next (child)) {
2695 gtk_container_remove (GTK_CONTAINER (view),
2696 GTK_WIDGET (child->data));
2698 g_list_free (children);
2701 /*** Drag and Drop ***/
2703 ev_view_drag_data_get (GtkWidget *widget,
2704 GdkDragContext *context,
2705 GtkSelectionData *selection_data,
2709 EvView *view = EV_VIEW (widget);
2712 case TARGET_DND_TEXT:
2713 if (EV_IS_SELECTION (view->document) &&
2714 view->selection_info.selections) {
2717 text = get_selected_text (view);
2718 gtk_selection_data_set_text (selection_data,
2724 case TARGET_DND_IMAGE:
2725 if (view->image_dnd_info.image) {
2728 ev_document_doc_mutex_lock ();
2729 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
2730 view->image_dnd_info.image);
2731 ev_document_doc_mutex_unlock ();
2733 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
2734 g_object_unref (pixbuf);
2737 case TARGET_DND_URI:
2738 if (view->image_dnd_info.image) {
2740 const gchar *tmp_uri;
2743 ev_document_doc_mutex_lock ();
2744 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
2745 view->image_dnd_info.image);
2746 ev_document_doc_mutex_unlock ();
2748 tmp_uri = ev_image_save_tmp (view->image_dnd_info.image, pixbuf);
2749 g_object_unref (pixbuf);
2751 uris[0] = (gchar *)tmp_uri;
2753 gtk_selection_data_set_uris (selection_data, uris);
2759 ev_view_drag_motion (GtkWidget *widget,
2760 GdkDragContext *context,
2765 if (gtk_drag_get_source_widget (context) == widget)
2766 gdk_drag_status (context, 0, time);
2768 gdk_drag_status (context, context->suggested_action, time);
2774 selection_update_idle_cb (EvView *view)
2776 compute_selections (view,
2777 view->selection_info.style,
2778 &view->selection_info.start,
2780 view->selection_update_id = 0;
2785 selection_scroll_timeout_cb (EvView *view)
2787 gint x, y, shift = 0;
2788 GtkWidget *widget = GTK_WIDGET (view);
2790 gtk_widget_get_pointer (widget, &x, &y);
2792 if (y > widget->allocation.height) {
2793 shift = (y - widget->allocation.height) / 2;
2799 gtk_adjustment_set_value (view->vadjustment,
2800 CLAMP (view->vadjustment->value + shift,
2801 view->vadjustment->lower,
2802 view->vadjustment->upper -
2803 view->vadjustment->page_size));
2805 if (x > widget->allocation.width) {
2806 shift = (x - widget->allocation.width) / 2;
2812 gtk_adjustment_set_value (view->hadjustment,
2813 CLAMP (view->hadjustment->value + shift,
2814 view->hadjustment->lower,
2815 view->hadjustment->upper -
2816 view->hadjustment->page_size));
2822 ev_view_drag_update_momentum (EvView *view)
2825 if (!view->drag_info.in_drag)
2828 for (i = DRAG_HISTORY - 1; i > 0; i--) {
2829 view->drag_info.buffer[i].x = view->drag_info.buffer[i-1].x;
2830 view->drag_info.buffer[i].y = view->drag_info.buffer[i-1].y;
2833 /* Momentum is a moving average of 10ms granularity over
2834 * the last 100ms with each 10ms stored in buffer.
2837 view->drag_info.momentum.x = (view->drag_info.buffer[DRAG_HISTORY - 1].x - view->drag_info.buffer[0].x);
2838 view->drag_info.momentum.y = (view->drag_info.buffer[DRAG_HISTORY - 1].y - view->drag_info.buffer[0].y);
2844 ev_view_scroll_drag_release (EvView *view)
2846 gdouble dhadj_value, dvadj_value;
2847 gdouble oldhadjustment, oldvadjustment;
2849 view->drag_info.momentum.x /= 1.2;
2850 view->drag_info.momentum.y /= 1.2; /* Alter these constants to change "friction" */
2852 dhadj_value = view->hadjustment->page_size *
2853 (gdouble)view->drag_info.momentum.x / GTK_WIDGET (view)->allocation.width;
2854 dvadj_value = view->vadjustment->page_size *
2855 (gdouble)view->drag_info.momentum.y / GTK_WIDGET (view)->allocation.height;
2857 oldhadjustment = gtk_adjustment_get_value (view->hadjustment);
2858 oldvadjustment = gtk_adjustment_get_value (view->vadjustment);
2860 if (((oldhadjustment + dhadj_value) > (view->hadjustment->upper - view->hadjustment->page_size)) ||
2861 ((oldhadjustment + dhadj_value) < 0))
2862 view->drag_info.momentum.x *= -0.5; /* 0.5 rather than 1 means the edges absorb some momentum */
2863 if (((oldvadjustment + dvadj_value) > (view->vadjustment->upper - view->vadjustment->page_size)) ||
2864 ((oldvadjustment + dvadj_value) < 0))
2865 view->drag_info.momentum.y *= -0.5;
2867 gtk_adjustment_set_value (view->hadjustment,
2868 MIN (oldhadjustment + dhadj_value,
2869 view->hadjustment->upper - view->hadjustment->page_size));
2870 gtk_adjustment_set_value (view->vadjustment,
2871 MIN (oldvadjustment + dvadj_value,
2872 view->vadjustment->upper - view->vadjustment->page_size));
2874 if (((view->drag_info.momentum.x < 1) && (view->drag_info.momentum.x > -1)) &&
2875 ((view->drag_info.momentum.y < 1) && (view->drag_info.momentum.y > -1)))
2882 ev_view_motion_notify_event (GtkWidget *widget,
2883 GdkEventMotion *event)
2885 EvView *view = EV_VIEW (widget);
2888 if (!view->document)
2892 if (event->is_hint || event->window != view->layout.bin_window) {
2893 gtk_widget_get_pointer (widget, &x, &y);
2899 if (view->scroll_info.autoscrolling) {
2900 view->scroll_info.last_y = y;
2904 if (view->selection_info.in_drag) {
2905 if (gtk_drag_check_threshold (widget,
2906 view->selection_info.start.x,
2907 view->selection_info.start.y,
2909 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
2911 gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT);
2913 gtk_drag_begin (widget, target_list,
2915 1, (GdkEvent *)event);
2917 view->selection_info.in_drag = FALSE;
2919 gtk_target_list_unref (target_list);
2923 } else if (view->image_dnd_info.in_drag) {
2924 if (gtk_drag_check_threshold (widget,
2925 view->selection_info.start.x,
2926 view->selection_info.start.y,
2928 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
2930 gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI);
2931 gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE);
2933 gtk_drag_begin (widget, target_list,
2935 1, (GdkEvent *)event);
2937 view->image_dnd_info.in_drag = FALSE;
2939 gtk_target_list_unref (target_list);
2945 switch (view->pressed_button) {
2947 /* For the Evince 0.4.x release, we limit selection to un-rotated
2950 if (view->rotation != 0)
2953 /* Schedule timeout to scroll during selection and additionally
2954 * scroll once to allow arbitrary speed. */
2955 if (!view->selection_scroll_id)
2956 view->selection_scroll_id = g_timeout_add (SCROLL_TIME,
2957 (GSourceFunc)selection_scroll_timeout_cb,
2960 selection_scroll_timeout_cb (view);
2962 view->selection_info.in_selection = TRUE;
2963 view->motion.x = x + view->scroll_x;
2964 view->motion.y = y + view->scroll_y;
2966 /* Queue an idle to handle the motion. We do this because
2967 * handling any selection events in the motion could be slower
2968 * than new motion events reach us. We always put it in the
2969 * idle to make sure we catch up and don't visibly lag the
2971 if (!view->selection_update_id)
2972 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
2976 if (!view->drag_info.in_drag) {
2980 start = gtk_drag_check_threshold (widget,
2981 view->drag_info.start.x,
2982 view->drag_info.start.y,
2985 view->drag_info.in_drag = start;
2986 view->drag_info.drag_timeout_id = g_timeout_add (10,
2987 (GSourceFunc)ev_view_drag_update_momentum, view);
2988 /* Set 100 to choose how long it takes to build up momentum */
2989 /* Clear out previous momentum info: */
2990 for (i = 0; i < DRAG_HISTORY; i++) {
2991 view->drag_info.buffer[i].x = event->x;
2992 view->drag_info.buffer[i].y = event->y;
2994 view->drag_info.momentum.x = 0;
2995 view->drag_info.momentum.y = 0;
2998 if (view->drag_info.in_drag) {
3000 gdouble dhadj_value, dvadj_value;
3002 view->drag_info.buffer[0].x = event->x;
3003 view->drag_info.buffer[0].y = event->y;
3005 dx = event->x_root - view->drag_info.start.x;
3006 dy = event->y_root - view->drag_info.start.y;
3008 dhadj_value = view->hadjustment->page_size *
3009 (gdouble)dx / widget->allocation.width;
3010 dvadj_value = view->vadjustment->page_size *
3011 (gdouble)dy / widget->allocation.height;
3013 /* clamp scrolling to visible area */
3014 gtk_adjustment_set_value (view->hadjustment,
3015 MIN(view->drag_info.hadj - dhadj_value,
3016 view->hadjustment->upper -
3017 view->hadjustment->page_size));
3018 gtk_adjustment_set_value (view->vadjustment,
3019 MIN(view->drag_info.vadj - dvadj_value,
3020 view->vadjustment->upper -
3021 view->vadjustment->page_size));
3028 ev_view_handle_cursor_over_xy (view, x, y);
3035 ev_view_button_release_event (GtkWidget *widget,
3036 GdkEventButton *event)
3038 EvView *view = EV_VIEW (widget);
3039 EvLink *link = NULL;
3041 view->image_dnd_info.in_drag = FALSE;
3043 if (view->scroll_info.autoscrolling) {
3044 ev_view_autoscroll_stop (view);
3045 view->pressed_button = -1;
3050 if (view->drag_info.in_drag) {
3051 view->drag_info.release_timeout_id =
3053 (GSourceFunc)ev_view_scroll_drag_release, view);
3056 if (view->document && !view->drag_info.in_drag && view->pressed_button != 3) {
3057 link = ev_view_get_link_at_location (view, event->x, event->y);
3060 view->drag_info.in_drag = FALSE;
3062 if (view->pressed_button == 2) {
3063 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3066 view->pressed_button = -1;
3068 if (view->selection_scroll_id) {
3069 g_source_remove (view->selection_scroll_id);
3070 view->selection_scroll_id = 0;
3072 if (view->selection_update_id) {
3073 g_source_remove (view->selection_update_id);
3074 view->selection_update_id = 0;
3077 if (!view->selection_info.in_selection &&
3078 view->selection_info.style != EV_SELECTION_STYLE_GLYPH) {
3079 compute_selections (view,
3080 view->selection_info.style,
3081 &(view->selection_info.start),
3082 &(view->selection_info.start));
3085 if (view->selection_info.selections) {
3086 clear_link_selected (view);
3087 ev_view_update_primary_selection (view);
3089 if (view->selection_info.in_drag) {
3090 clear_selection (view);
3091 gtk_widget_queue_draw (widget);
3094 view->selection_info.in_drag = FALSE;
3096 if (event->button == 2) {
3097 EvLinkAction *action;
3098 EvLinkActionType type;
3100 action = ev_link_get_action (link);
3104 type = ev_link_action_get_action_type (action);
3105 if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
3106 g_signal_emit (view,
3107 signals[SIGNAL_EXTERNAL_LINK],
3111 ev_view_handle_link (view, link);
3113 } else if (view->presentation) {
3114 switch (event->button) {
3116 ev_view_next_page (view);
3119 ev_view_previous_page (view);
3128 /* Cut and paste from gtkwindow.c */
3130 send_focus_change (GtkWidget *widget,
3133 GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE);
3135 g_object_ref (widget);
3138 GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
3140 GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
3142 fevent->focus_change.type = GDK_FOCUS_CHANGE;
3143 fevent->focus_change.window = g_object_ref (widget->window);
3144 fevent->focus_change.in = in;
3146 gtk_widget_event (widget, fevent);
3148 g_object_notify (G_OBJECT (widget), "has-focus");
3150 g_object_unref (widget);
3151 gdk_event_free (fevent);
3155 ev_view_goto_window_hide (EvView *view)
3157 /* send focus-in event */
3158 send_focus_change (view->goto_entry, FALSE);
3159 gtk_widget_hide (view->goto_window);
3160 gtk_entry_set_text (GTK_ENTRY (view->goto_entry), "");
3164 ev_view_goto_window_delete_event (GtkWidget *widget,
3168 ev_view_goto_window_hide (view);
3174 key_is_numeric (guint keyval)
3176 return ((keyval >= GDK_0 && keyval <= GDK_9) ||
3177 (keyval >= GDK_KP_0 && keyval <= GDK_KP_9));
3181 ev_view_goto_window_key_press_event (GtkWidget *widget,
3185 switch (event->keyval) {
3189 case GDK_ISO_Left_Tab:
3190 ev_view_goto_window_hide (view);
3199 if (!key_is_numeric (event->keyval))
3207 ev_view_goto_window_button_press_event (GtkWidget *widget,
3208 GdkEventButton *event,
3211 ev_view_goto_window_hide (view);
3217 ev_view_goto_entry_activate (GtkEntry *entry,
3223 text = gtk_entry_get_text (entry);
3224 page = atoi (text) - 1;
3226 ev_view_goto_window_hide (view);
3229 page < ev_page_cache_get_n_pages (view->page_cache))
3230 ev_page_cache_set_current_page (view->page_cache, page);
3234 ev_view_goto_window_create (EvView *view)
3236 GtkWidget *frame, *hbox, *toplevel, *label;
3238 toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view));
3240 if (view->goto_window) {
3241 if (GTK_WINDOW (toplevel)->group)
3242 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
3243 GTK_WINDOW (view->goto_window));
3244 else if (GTK_WINDOW (view->goto_window)->group)
3245 gtk_window_group_remove_window (GTK_WINDOW (view->goto_window)->group,
3246 GTK_WINDOW (view->goto_window));
3250 view->goto_window = gtk_window_new (GTK_WINDOW_POPUP);
3251 gtk_window_set_screen (GTK_WINDOW (view->goto_window),
3252 gtk_widget_get_screen (GTK_WIDGET (view)));
3254 if (GTK_WINDOW (toplevel)->group)
3255 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
3256 GTK_WINDOW (view->goto_window));
3258 gtk_window_set_modal (GTK_WINDOW (view->goto_window), TRUE);
3260 g_signal_connect (view->goto_window, "delete_event",
3261 G_CALLBACK (ev_view_goto_window_delete_event),
3263 g_signal_connect (view->goto_window, "key_press_event",
3264 G_CALLBACK (ev_view_goto_window_key_press_event),
3266 g_signal_connect (view->goto_window, "button_press_event",
3267 G_CALLBACK (ev_view_goto_window_button_press_event),
3270 frame = gtk_frame_new (NULL);
3271 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
3272 gtk_container_add (GTK_CONTAINER (view->goto_window), frame);
3273 gtk_widget_show (frame);
3275 hbox = gtk_hbox_new (FALSE, 0);
3276 gtk_container_set_border_width (GTK_CONTAINER (hbox), 3);
3277 gtk_container_add (GTK_CONTAINER (frame), hbox);
3278 gtk_widget_show (hbox);
3280 label = gtk_label_new(_("Jump to page:"));
3281 gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 3);
3282 gtk_widget_show (label);
3283 gtk_widget_realize (label);
3285 view->goto_entry = gtk_entry_new ();
3286 g_signal_connect (view->goto_entry, "activate",
3287 G_CALLBACK (ev_view_goto_entry_activate),
3289 gtk_box_pack_start (GTK_BOX (hbox), view->goto_entry, TRUE, TRUE, 0);
3290 gtk_widget_show (view->goto_entry);
3291 gtk_widget_realize (view->goto_entry);
3295 ev_view_goto_entry_grab_focus (EvView *view)
3297 GtkWidgetClass *entry_parent_class;
3299 entry_parent_class = g_type_class_peek_parent (GTK_ENTRY_GET_CLASS (view->goto_entry));
3300 (entry_parent_class->grab_focus) (view->goto_entry);
3302 send_focus_change (view->goto_entry, TRUE);
3306 ev_view_goto_window_send_key_event (EvView *view,
3309 GdkEventKey *new_event;
3312 /* Move goto window off screen */
3313 screen = gtk_widget_get_screen (GTK_WIDGET (view));
3314 gtk_window_move (GTK_WINDOW (view->goto_window),
3315 gdk_screen_get_width (screen) + 1,
3316 gdk_screen_get_height (screen) + 1);
3317 gtk_widget_show (view->goto_window);
3319 new_event = (GdkEventKey *) gdk_event_copy (event);
3320 g_object_unref (new_event->window);
3321 new_event->window = g_object_ref (view->goto_window->window);
3322 gtk_widget_realize (view->goto_window);
3324 gtk_widget_event (view->goto_window, (GdkEvent *)new_event);
3325 gdk_event_free ((GdkEvent *)new_event);
3326 gtk_widget_hide (view->goto_window);
3330 ev_view_key_press_event (GtkWidget *widget,
3333 EvView *view = EV_VIEW (widget);
3334 EvPresentationState current;
3336 if (!view->document)
3339 if (!view->presentation ||
3340 view->presentation_state == EV_PRESENTATION_END)
3341 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3344 current = view->presentation_state;
3346 switch (event->keyval) {
3350 case GDK_KP_Decimal:
3351 view->presentation_state =
3352 (view->presentation_state == EV_PRESENTATION_BLACK) ?
3353 EV_PRESENTATION_NORMAL : EV_PRESENTATION_BLACK;
3357 view->presentation_state =
3358 (view->presentation_state == EV_PRESENTATION_WHITE) ?
3359 EV_PRESENTATION_NORMAL : EV_PRESENTATION_WHITE;
3362 if (view->presentation_state == EV_PRESENTATION_BLACK ||
3363 view->presentation_state == EV_PRESENTATION_WHITE) {
3364 view->presentation_state = EV_PRESENTATION_NORMAL;
3368 if (current == view->presentation_state) {
3369 if (ev_page_cache_get_n_pages (view->page_cache) > 1 &&
3370 key_is_numeric (event->keyval)) {
3373 ev_view_goto_window_create (view);
3374 ev_view_goto_window_send_key_event (view, (GdkEvent *)event);
3375 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
3376 gtk_window_move (GTK_WINDOW (view->goto_window), x, y);
3377 gtk_widget_show (view->goto_window);
3378 ev_view_goto_entry_grab_focus (view);
3383 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3386 switch (view->presentation_state) {
3387 case EV_PRESENTATION_NORMAL:
3388 case EV_PRESENTATION_BLACK:
3389 gdk_window_set_background (view->layout.bin_window,
3390 &widget->style->black);
3392 case EV_PRESENTATION_WHITE:
3393 gdk_window_set_background (view->layout.bin_window,
3394 &widget->style->white);
3397 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3400 gtk_widget_queue_draw (widget);
3405 ev_view_focus_in (GtkWidget *widget,
3406 GdkEventFocus *event)
3408 if (EV_VIEW (widget)->pixbuf_cache)
3409 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3410 gtk_widget_queue_draw (widget);
3416 ev_view_focus_out (GtkWidget *widget,
3417 GdkEventFocus *event)
3419 if (EV_VIEW (widget)->goto_window)
3420 ev_view_goto_window_hide (EV_VIEW (widget));
3422 if (EV_VIEW (widget)->pixbuf_cache)
3423 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3424 gtk_widget_queue_draw (widget);
3430 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3432 EvView *view = EV_VIEW (widget);
3434 if (view->cursor != EV_VIEW_CURSOR_NORMAL)
3435 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
3441 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3443 EvView *view = EV_VIEW (widget);
3445 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3451 ev_view_style_set (GtkWidget *widget,
3452 GtkStyle *old_style)
3454 if (EV_VIEW (widget)->pixbuf_cache)
3455 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3457 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
3463 ev_gdk_color_to_rgb (const GdkColor *color)
3466 result = (0xff0000 | (color->red & 0xff00));
3468 result |= ((color->green & 0xff00) | (color->blue >> 8));
3473 draw_rubberband (GtkWidget *widget, GdkWindow *window,
3474 const GdkRectangle *rect, guchar alpha)
3478 GdkColor *fill_color_gdk;
3481 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
3482 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
3484 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
3485 rect->width, rect->height);
3486 gdk_pixbuf_fill (pixbuf, fill_color);
3488 gdk_draw_pixbuf (window, NULL, pixbuf,
3490 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
3491 rect->width, rect->height,
3492 GDK_RGB_DITHER_NONE,
3495 g_object_unref (pixbuf);
3497 gc = gdk_gc_new (window);
3498 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
3499 gdk_draw_rectangle (window, gc, FALSE,
3500 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
3503 g_object_unref (gc);
3505 gdk_color_free (fill_color_gdk);
3510 highlight_find_results (EvView *view, int page)
3512 gint i, n_results = 0;
3514 n_results = ev_view_find_get_n_results (view, page);
3516 for (i = 0; i < n_results; i++) {
3517 EvRectangle *rectangle;
3518 GdkRectangle view_rectangle;
3521 if (i == view->find_result && page == view->current_page) {
3527 rectangle = ev_view_find_get_result (view, page, i);
3528 doc_rect_to_view_rect (view, page, rectangle, &view_rectangle);
3529 draw_rubberband (GTK_WIDGET (view), view->layout.bin_window,
3530 &view_rectangle, alpha);
3535 draw_loading_text (EvView *view,
3536 GdkRectangle *page_area,
3537 GdkRectangle *expose_area)
3542 if (!view->loading_text) {
3543 const gchar *loading_text = _("Loading...");
3544 PangoLayout *layout;
3545 PangoFontDescription *font_desc;
3546 PangoRectangle logical_rect;
3550 ev_document_fc_mutex_lock ();
3552 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
3554 font_desc = pango_font_description_new ();
3556 /* We set the font to be 10 points, get the size, and scale appropriately */
3557 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
3558 pango_layout_set_font_description (layout, font_desc);
3559 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
3561 target_width = MAX (page_area->width / 2, 1);
3562 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
3563 pango_font_description_set_size (font_desc, (int)real_scale);
3564 pango_layout_set_font_description (layout, font_desc);
3565 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
3567 view->loading_text = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
3569 logical_rect.height);
3570 cr = cairo_create (view->loading_text);
3571 cairo_set_source_rgb (cr,
3575 pango_cairo_show_layout (cr, layout);
3578 pango_font_description_free (font_desc);
3579 g_object_unref (layout);
3581 ev_document_fc_mutex_unlock ();
3584 width = (page_area->width - cairo_image_surface_get_width (view->loading_text)) / 2;
3585 height = (page_area->height - cairo_image_surface_get_height (view->loading_text)) / 2;
3587 cr = gdk_cairo_create (view->layout.bin_window);
3588 cairo_translate (cr,
3589 page_area->x + width,
3590 page_area->y + height);
3591 cairo_set_source_surface (cr, view->loading_text, 0, 0);
3597 draw_one_page (EvView *view,
3600 GdkRectangle *page_area,
3602 GdkRectangle *expose_area,
3603 gboolean *page_ready)
3605 GdkRectangle overlap;
3606 GdkRectangle real_page_area;
3608 g_assert (view->document);
3610 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
3613 /* Render the document itself */
3614 real_page_area = *page_area;
3616 real_page_area.x += border->left;
3617 real_page_area.y += border->top;
3618 real_page_area.width -= (border->left + border->right);
3619 real_page_area.height -= (border->top + border->bottom);
3622 if (!view->presentation) {
3625 current_page = ev_page_cache_get_current_page (view->page_cache);
3626 ev_document_misc_paint_one_page (view->layout.bin_window,
3629 page == current_page);
3632 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
3634 gint page_width, page_height;
3635 cairo_surface_t *page_surface = NULL;
3636 gint selection_width, selection_height;
3637 cairo_surface_t *selection_surface = NULL;
3639 page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page);
3641 if (!page_surface) {
3642 if (!view->presentation) {
3643 draw_loading_text (view,
3648 *page_ready = FALSE;
3653 ev_page_cache_get_size (view->page_cache,
3654 page, view->rotation,
3658 page_width = cairo_image_surface_get_width (page_surface);
3659 page_height = cairo_image_surface_get_height (page_surface);
3662 cairo_translate (cr, overlap.x, overlap.y);
3664 if (width != page_width || height != page_height) {
3665 cairo_pattern_set_filter (cairo_get_source (cr),
3668 (gdouble)width / page_width,
3669 (gdouble)height / page_height);
3672 cairo_surface_set_device_offset (page_surface,
3673 overlap.x - real_page_area.x,
3674 overlap.y - real_page_area.y);
3675 cairo_set_source_surface (cr, page_surface, 0, 0);
3679 /* Get the selection pixbuf iff we have something to draw */
3680 if (find_selection_for_page (view, page) &&
3681 view->selection_mode == EV_VIEW_SELECTION_TEXT) {
3683 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
3689 if (!selection_surface) {
3693 selection_width = cairo_image_surface_get_width (selection_surface);
3694 selection_height = cairo_image_surface_get_height (selection_surface);
3697 cairo_translate (cr, overlap.x, overlap.y);
3699 if (width != selection_width || height != selection_height) {
3700 cairo_pattern_set_filter (cairo_get_source (cr),
3703 (gdouble)width / selection_width,
3704 (gdouble)height / selection_height);
3707 cairo_surface_set_device_offset (selection_surface,
3708 overlap.x - real_page_area.x,
3709 overlap.y - real_page_area.y);
3710 cairo_set_source_surface (cr, selection_surface, 0, 0);
3716 /*** GObject functions ***/
3719 ev_view_finalize (GObject *object)
3721 EvView *view = EV_VIEW (object);
3723 clear_selection (view);
3724 clear_link_selected (view);
3726 if (view->image_dnd_info.image)
3727 g_object_unref (view->image_dnd_info.image);
3728 view->image_dnd_info.image = NULL;
3730 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
3734 ev_view_destroy (GtkObject *object)
3736 EvView *view = EV_VIEW (object);
3738 if (view->document) {
3739 g_object_unref (view->document);
3740 view->document = NULL;
3743 if (view->pixbuf_cache) {
3744 g_object_unref (view->pixbuf_cache);
3745 view->pixbuf_cache = NULL;
3748 if (view->goto_window) {
3749 gtk_widget_destroy (view->goto_window);
3750 view->goto_window = NULL;
3751 view->goto_entry = NULL;
3754 if (view->selection_scroll_id) {
3755 g_source_remove (view->selection_scroll_id);
3756 view->selection_scroll_id = 0;
3759 if (view->selection_update_id) {
3760 g_source_remove (view->selection_update_id);
3761 view->selection_update_id = 0;
3764 if (view->loading_text) {
3765 cairo_surface_destroy (view->loading_text);
3766 view->loading_text = NULL;
3769 if (view->scroll_info.timeout_id) {
3770 g_source_remove (view->scroll_info.timeout_id);
3771 view->scroll_info.timeout_id = 0;
3774 if (view->drag_info.drag_timeout_id) {
3775 g_source_remove (view->drag_info.drag_timeout_id);
3776 view->drag_info.drag_timeout_id = 0;
3779 if (view->drag_info.release_timeout_id) {
3780 g_source_remove (view->drag_info.release_timeout_id);
3781 view->drag_info.release_timeout_id = 0;
3784 ev_view_presentation_transition_stop (view);
3786 ev_view_set_scroll_adjustments (GTK_LAYOUT (view), NULL, NULL);
3788 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
3792 ev_view_set_property (GObject *object,
3794 const GValue *value,
3797 EvView *view = EV_VIEW (object);
3800 case PROP_CONTINUOUS:
3801 ev_view_set_continuous (view, g_value_get_boolean (value));
3803 case PROP_DUAL_PAGE:
3804 ev_view_set_dual_page (view, g_value_get_boolean (value));
3806 case PROP_FULLSCREEN:
3807 ev_view_set_fullscreen (view, g_value_get_boolean (value));
3809 case PROP_PRESENTATION:
3810 ev_view_set_presentation (view, g_value_get_boolean (value));
3812 case PROP_SIZING_MODE:
3813 ev_view_set_sizing_mode (view, g_value_get_enum (value));
3816 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
3819 ev_view_set_rotation (view, g_value_get_int (value));
3822 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
3827 ev_view_get_accessible (GtkWidget *widget)
3829 static gboolean first_time = TRUE;
3832 AtkObjectFactory *factory;
3833 AtkRegistry *registry;
3835 GType derived_atk_type;
3838 * Figure out whether accessibility is enabled by looking at the
3839 * type of the accessible object which would be created for
3840 * the parent type of EvView.
3842 derived_type = g_type_parent (EV_TYPE_VIEW);
3844 registry = atk_get_default_registry ();
3845 factory = atk_registry_get_factory (registry,
3847 derived_atk_type = atk_object_factory_get_accessible_type (factory);
3848 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
3849 atk_registry_set_factory_type (registry,
3851 ev_view_accessible_factory_get_type ());
3854 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
3858 ev_view_get_property (GObject *object,
3863 EvView *view = EV_VIEW (object);
3866 case PROP_CONTINUOUS:
3867 g_value_set_boolean (value, view->continuous);
3869 case PROP_DUAL_PAGE:
3870 g_value_set_boolean (value, view->dual_page);
3872 case PROP_FULLSCREEN:
3873 g_value_set_boolean (value, view->fullscreen);
3875 case PROP_PRESENTATION:
3876 g_value_set_boolean (value, view->presentation);
3878 case PROP_SIZING_MODE:
3879 g_value_set_enum (value, view->sizing_mode);
3882 g_value_set_double (value, view->scale);
3885 g_value_set_int (value, view->rotation);
3887 case PROP_HAS_SELECTION:
3888 g_value_set_boolean (value,
3889 view->selection_info.selections != NULL);
3892 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
3897 ev_view_class_init (EvViewClass *class)
3899 GObjectClass *object_class = G_OBJECT_CLASS (class);
3900 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
3901 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
3902 GtkLayoutClass *layout_class = GTK_LAYOUT_CLASS (class);
3903 GtkBindingSet *binding_set;
3905 object_class->finalize = ev_view_finalize;
3906 object_class->set_property = ev_view_set_property;
3907 object_class->get_property = ev_view_get_property;
3909 widget_class->expose_event = ev_view_expose_event;
3910 widget_class->button_press_event = ev_view_button_press_event;
3911 widget_class->motion_notify_event = ev_view_motion_notify_event;
3912 widget_class->button_release_event = ev_view_button_release_event;
3913 widget_class->key_press_event = ev_view_key_press_event;
3914 widget_class->focus_in_event = ev_view_focus_in;
3915 widget_class->focus_out_event = ev_view_focus_out;
3916 widget_class->get_accessible = ev_view_get_accessible;
3917 widget_class->size_request = ev_view_size_request;
3918 widget_class->size_allocate = ev_view_size_allocate;
3919 widget_class->realize = ev_view_realize;
3920 widget_class->scroll_event = ev_view_scroll_event;
3921 widget_class->enter_notify_event = ev_view_enter_notify_event;
3922 widget_class->leave_notify_event = ev_view_leave_notify_event;
3923 widget_class->style_set = ev_view_style_set;
3924 widget_class->drag_data_get = ev_view_drag_data_get;
3925 widget_class->drag_motion = ev_view_drag_motion;
3926 widget_class->popup_menu = ev_view_popup_menu;
3927 widget_class->query_tooltip = ev_view_query_tooltip;
3929 gtk_object_class->destroy = ev_view_destroy;
3931 layout_class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
3933 class->binding_activated = ev_view_scroll;
3935 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
3936 G_TYPE_FROM_CLASS (object_class),
3937 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3938 G_STRUCT_OFFSET (EvViewClass, binding_activated),
3940 ev_view_marshal_VOID__ENUM_BOOLEAN,
3942 GTK_TYPE_SCROLL_TYPE,
3945 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
3946 G_TYPE_FROM_CLASS (object_class),
3947 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3948 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
3950 g_cclosure_marshal_VOID__VOID,
3951 G_TYPE_NONE, 0, G_TYPE_NONE);
3952 signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link",
3953 G_TYPE_FROM_CLASS (object_class),
3954 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3955 G_STRUCT_OFFSET (EvViewClass, handle_link),
3957 g_cclosure_marshal_VOID__OBJECT,
3960 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
3961 G_TYPE_FROM_CLASS (object_class),
3962 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3963 G_STRUCT_OFFSET (EvViewClass, external_link),
3965 g_cclosure_marshal_VOID__OBJECT,
3968 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
3969 G_TYPE_FROM_CLASS (object_class),
3970 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3971 G_STRUCT_OFFSET (EvViewClass, popup_menu),
3973 g_cclosure_marshal_VOID__OBJECT,
3978 g_object_class_install_property (object_class,
3980 g_param_spec_boolean ("continuous",
3982 "Continuous scrolling mode",
3984 G_PARAM_READWRITE));
3986 g_object_class_install_property (object_class,
3988 g_param_spec_boolean ("dual-page",
3990 "Two pages visible at once",
3992 G_PARAM_READWRITE));
3993 g_object_class_install_property (object_class,
3995 g_param_spec_boolean ("fullscreen",
3997 "Draw page in a fullscreen fashion",
3999 G_PARAM_READWRITE));
4000 g_object_class_install_property (object_class,
4002 g_param_spec_boolean ("presentation",
4004 "Draw page in presentation mode",
4006 G_PARAM_READWRITE));
4008 g_object_class_install_property (object_class,
4010 g_param_spec_enum ("sizing-mode",
4013 EV_TYPE_SIZING_MODE,
4014 EV_SIZING_FIT_WIDTH,
4015 G_PARAM_READWRITE));
4017 g_object_class_install_property (object_class,
4019 g_param_spec_double ("zoom",
4025 G_PARAM_READWRITE));
4026 g_object_class_install_property (object_class,
4028 g_param_spec_double ("rotation",
4034 G_PARAM_READWRITE));
4035 g_object_class_install_property (object_class,
4037 g_param_spec_boolean ("has-selection",
4039 "The view has selections",
4043 binding_set = gtk_binding_set_by_class (class);
4045 add_scroll_binding_keypad (binding_set, GDK_Left, 0, GTK_SCROLL_STEP_BACKWARD, TRUE);
4046 add_scroll_binding_keypad (binding_set, GDK_Right, 0, GTK_SCROLL_STEP_FORWARD, TRUE);
4047 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, TRUE);
4048 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, TRUE);
4049 add_scroll_binding_keypad (binding_set, GDK_Up, 0, GTK_SCROLL_STEP_BACKWARD, FALSE);
4050 add_scroll_binding_keypad (binding_set, GDK_Down, 0, GTK_SCROLL_STEP_FORWARD, FALSE);
4051 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, FALSE);
4052 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, FALSE);
4053 gtk_binding_entry_add_signal (binding_set, GDK_H, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4054 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE);
4055 gtk_binding_entry_add_signal (binding_set, GDK_J, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4056 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE);
4057 gtk_binding_entry_add_signal (binding_set, GDK_K, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4058 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE);
4059 gtk_binding_entry_add_signal (binding_set, GDK_L, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4060 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE);
4065 ev_view_init (EvView *view)
4067 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
4071 view->current_page = 0;
4072 view->pressed_button = -1;
4073 view->cursor = EV_VIEW_CURSOR_NORMAL;
4074 view->drag_info.in_drag = FALSE;
4075 view->scroll_info.autoscrolling = FALSE;
4076 view->selection_info.selections = NULL;
4077 view->selection_info.in_selection = FALSE;
4078 view->selection_info.in_drag = FALSE;
4079 view->selection_mode = EV_VIEW_SELECTION_TEXT;
4080 view->continuous = TRUE;
4081 view->dual_page = FALSE;
4082 view->presentation = FALSE;
4083 view->presentation_state = EV_PRESENTATION_NORMAL;
4084 view->fullscreen = FALSE;
4085 view->sizing_mode = EV_SIZING_FIT_WIDTH;
4086 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4087 view->jump_to_find_result = TRUE;
4088 view->highlight_find_results = FALSE;
4090 gtk_layout_set_hadjustment (GTK_LAYOUT (view), NULL);
4091 gtk_layout_set_vadjustment (GTK_LAYOUT (view), NULL);
4097 ev_view_change_page (EvView *view,
4099 gboolean start_transition)
4103 view->current_page = new_page;
4104 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4106 if (view->presentation && start_transition)
4107 ev_view_presentation_transition_start (view);
4109 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4110 ev_view_handle_cursor_over_xy (view, x, y);
4112 gtk_widget_queue_resize (GTK_WIDGET (view));
4116 ev_view_transition_animation_finish (EvTransitionAnimation *animation,
4119 g_object_unref (view->animation);
4120 view->animation = NULL;
4121 ev_view_change_page (view, view->current_page, TRUE);
4125 * ev_view_transition_animation_cancel:
4126 * @animation: Animation to finish
4129 * Does almost the same as cancel, but without scheduling the transition.
4133 ev_view_transition_animation_cancel (EvTransitionAnimation *animation,
4136 g_object_unref (view->animation);
4137 view->animation = NULL;
4138 ev_view_change_page (view, view->current_page, FALSE);
4142 ev_view_transition_animation_frame (EvTransitionAnimation *animation,
4146 gtk_widget_queue_draw (GTK_WIDGET (view));
4150 ev_view_presentation_animation_start (EvView *view,
4153 EvTransitionEffect *effect = NULL;
4154 cairo_surface_t *surface;
4156 if (EV_IS_DOCUMENT_TRANSITION (view->document))
4157 effect = ev_document_transition_get_effect (EV_DOCUMENT_TRANSITION (view->document),
4158 view->current_page);
4162 surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page);
4163 view->animation = ev_transition_animation_new (effect);
4164 ev_transition_animation_set_origin_surface (view->animation, surface);
4166 g_signal_connect (view->animation, "frame",
4167 G_CALLBACK (ev_view_transition_animation_frame), view);
4168 g_signal_connect (view->animation, "finished",
4169 G_CALLBACK (ev_view_transition_animation_finish), view);
4173 job_finished_cb (EvPixbufCache *pixbuf_cache,
4177 if (view->animation) {
4178 cairo_surface_t *surface;
4180 surface = ev_pixbuf_cache_get_surface (pixbuf_cache, view->current_page);
4181 ev_transition_animation_set_dest_surface (view->animation, surface);
4185 gdk_window_invalidate_region (view->layout.bin_window,
4188 gtk_widget_queue_draw (GTK_WIDGET (view));
4193 page_changed_cb (EvPageCache *page_cache,
4197 if (view->current_page != new_page) {
4198 if (view->presentation)
4199 ev_view_presentation_animation_start (view, new_page);
4201 ev_view_change_page (view, new_page, TRUE);
4203 gtk_widget_queue_draw (GTK_WIDGET (view));
4206 view->find_result = 0;
4210 on_adjustment_value_changed (GtkAdjustment *adjustment,
4215 GList *children, *l;
4217 if (! GTK_WIDGET_REALIZED (view))
4220 if (view->hadjustment) {
4221 dx = view->scroll_x - (int) view->hadjustment->value;
4222 view->scroll_x = (int) view->hadjustment->value;
4227 if (view->vadjustment) {
4228 dy = view->scroll_y - (int) view->vadjustment->value;
4229 view->scroll_y = (int) view->vadjustment->value;
4234 children = gtk_container_get_children (GTK_CONTAINER (view));
4235 for (l = children; l && l->data; l = g_list_next (l)) {
4236 gint child_x, child_y;
4237 GtkWidget *child = (GtkWidget *)l->data;
4239 gtk_container_child_get (GTK_CONTAINER (view),
4244 gtk_layout_move (GTK_LAYOUT (view), child, child_x + dx, child_y + dy);
4246 g_list_free (children);
4248 if (view->pending_resize)
4249 gtk_widget_queue_draw (GTK_WIDGET (view));
4251 gdk_window_scroll (view->layout.bin_window, dx, dy);
4253 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4254 ev_view_handle_cursor_over_xy (view, x, y);
4257 view_update_range_and_current_page (view);
4265 view = g_object_new (EV_TYPE_VIEW, NULL);
4271 setup_caches (EvView *view)
4273 view->page_cache = ev_page_cache_get (view->document);
4274 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
4275 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
4276 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
4277 page_changed_cb (view->page_cache,
4278 ev_page_cache_get_current_page (view->page_cache),
4283 clear_caches (EvView *view)
4285 if (view->pixbuf_cache) {
4286 g_object_unref (view->pixbuf_cache);
4287 view->pixbuf_cache = NULL;
4290 if (view->page_cache) {
4291 view->page_cache = NULL;
4296 ev_view_set_loading (EvView *view,
4299 view->loading = loading;
4300 gtk_widget_queue_draw (GTK_WIDGET (view));
4304 ev_view_autoscroll_cb (EvView *view)
4306 gdouble speed, value;
4308 /* If the user stops autoscrolling, autoscrolling will be
4309 * set to false but the timeout will continue; stop the timeout: */
4310 if (!view->scroll_info.autoscrolling) {
4311 view->scroll_info.timeout_id = 0;
4315 if (view->scroll_info.last_y > view->scroll_info.start_y &&
4316 (view->scroll_info.last_y < view->scroll_info.start_y))
4319 /* Replace 100 with your speed of choice: The lower the faster.
4320 * Replace 3 with another speed of choice: The higher, the faster it accelerated
4321 * based on the distance of the starting point from the mouse
4322 * (All also effected by the timeout interval of this callback) */
4324 if (view->scroll_info.start_y > view->scroll_info.last_y)
4325 speed = -pow ((((gdouble)view->scroll_info.start_y - view->scroll_info.last_y) / 100), 3);
4327 speed = pow ((((gdouble)view->scroll_info.last_y - view->scroll_info.start_y) / 100), 3);
4329 value = gtk_adjustment_get_value (view->vadjustment);
4330 value = CLAMP (value + speed, 0, view->vadjustment->upper - view->vadjustment->page_size);
4331 gtk_adjustment_set_value (view->vadjustment, value);
4338 ev_view_autoscroll_start (EvView *view)
4342 g_return_if_fail (EV_IS_VIEW (view));
4344 if (view->scroll_info.autoscrolling)
4347 view->scroll_info.autoscrolling = TRUE;
4348 view->scroll_info.timeout_id =
4349 g_timeout_add (20, (GSourceFunc)ev_view_autoscroll_cb,
4352 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4353 ev_view_handle_cursor_over_xy (view, x, y);
4357 ev_view_autoscroll_stop (EvView *view)
4361 g_return_if_fail (EV_IS_VIEW (view));
4363 if (!view->scroll_info.autoscrolling)
4366 view->scroll_info.autoscrolling = FALSE;
4367 if (view->scroll_info.timeout_id) {
4368 g_source_remove (view->scroll_info.timeout_id);
4369 view->scroll_info.timeout_id = 0;
4372 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4373 ev_view_handle_cursor_over_xy (view, x, y);
4377 ev_view_set_document (EvView *view,
4378 EvDocument *document)
4380 g_return_if_fail (EV_IS_VIEW (view));
4382 view->loading = FALSE;
4384 if (document != view->document) {
4385 clear_caches (view);
4387 if (view->document) {
4388 g_object_unref (view->document);
4389 view->page_cache = NULL;
4392 view->document = document;
4393 view->find_result = 0;
4395 if (view->document) {
4396 g_object_ref (view->document);
4397 setup_caches (view);
4400 gtk_widget_queue_resize (GTK_WIDGET (view));
4405 ev_view_reload_page (EvView *view,
4409 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
4417 ev_view_reload (EvView *view)
4419 ev_pixbuf_cache_clear (view->pixbuf_cache);
4420 view_update_range_and_current_page (view);
4423 /*** Zoom and sizing mode ***/
4425 #define EPSILON 0.0000001
4427 ev_view_set_zoom (EvView *view,
4434 scale = view->scale * factor;
4438 scale = CLAMP (scale,
4439 view->sizing_mode == EV_SIZING_FREE ? view->min_scale : 0,
4442 if (scale == view->scale)
4445 if (ABS (view->scale - scale) < EPSILON)
4448 if (view->loading_text) {
4449 cairo_surface_destroy (view->loading_text);
4450 view->loading_text = NULL;
4453 view->scale = scale;
4454 view->pending_resize = TRUE;
4456 gtk_widget_queue_resize (GTK_WIDGET (view));
4458 g_object_notify (G_OBJECT (view), "zoom");
4462 ev_view_get_zoom (EvView *view)
4468 ev_view_set_screen_dpi (EvView *view,
4471 g_return_if_fail (EV_IS_VIEW (view));
4472 g_return_if_fail (dpi > 0);
4475 view->min_scale = MIN_SCALE * dpi / 72.0;
4476 view->max_scale = MAX_SCALE * dpi / 72.0;
4480 ev_view_get_continuous (EvView *view)
4482 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4484 return view->continuous;
4488 ev_view_set_continuous (EvView *view,
4489 gboolean continuous)
4491 g_return_if_fail (EV_IS_VIEW (view));
4493 continuous = continuous != FALSE;
4495 if (view->continuous != continuous) {
4496 view->continuous = continuous;
4497 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4498 gtk_widget_queue_resize (GTK_WIDGET (view));
4501 g_object_notify (G_OBJECT (view), "continuous");
4505 ev_view_get_dual_page (EvView *view)
4507 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4509 return view->dual_page;
4513 ev_view_set_dual_page (EvView *view,
4516 g_return_if_fail (EV_IS_VIEW (view));
4518 dual_page = dual_page != FALSE;
4520 if (view->dual_page == dual_page)
4523 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4524 view->dual_page = dual_page;
4525 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
4526 * preload_cache_size to be 2 if dual_page is set.
4528 gtk_widget_queue_resize (GTK_WIDGET (view));
4530 g_object_notify (G_OBJECT (view), "dual-page");
4534 ev_view_set_fullscreen (EvView *view,
4535 gboolean fullscreen)
4537 g_return_if_fail (EV_IS_VIEW (view));
4539 fullscreen = fullscreen != FALSE;
4541 if (view->fullscreen == fullscreen)
4544 view->fullscreen = fullscreen;
4545 gtk_widget_queue_resize (GTK_WIDGET (view));
4547 g_object_notify (G_OBJECT (view), "fullscreen");
4551 ev_view_get_fullscreen (EvView *view)
4553 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4555 return view->fullscreen;
4559 ev_view_set_presentation (EvView *view,
4560 gboolean presentation)
4562 g_return_if_fail (EV_IS_VIEW (view));
4564 presentation = presentation != FALSE;
4566 if (view->presentation == presentation)
4570 view->presentation_state = EV_PRESENTATION_NORMAL;
4572 view->presentation = presentation;
4573 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4576 view->sizing_mode_saved = view->sizing_mode;
4577 view->scale_saved = view->scale;
4578 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
4580 ev_view_set_sizing_mode (view, view->sizing_mode_saved);
4581 ev_view_set_zoom (view, view->scale_saved, FALSE);
4584 gtk_widget_queue_resize (GTK_WIDGET (view));
4587 ev_view_presentation_transition_start (view);
4589 ev_view_presentation_transition_stop (view);
4591 if (view->animation) {
4592 /* stop any running animation */
4593 ev_view_transition_animation_cancel (view->animation, view);
4597 if (GTK_WIDGET_REALIZED (view)) {
4598 if (view->presentation)
4599 gdk_window_set_background (view->layout.bin_window,
4600 >K_WIDGET (view)->style->black);
4602 gdk_window_set_background (view->layout.bin_window,
4603 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
4606 g_object_notify (G_OBJECT (view), "presentation");
4610 ev_view_get_presentation (EvView *view)
4612 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4614 return view->presentation;
4618 transition_next_page (EvView *view)
4620 ev_view_next_page (view);
4626 ev_view_presentation_transition_stop (EvView *view)
4628 if (view->trans_timeout_id > 0)
4629 g_source_remove (view->trans_timeout_id);
4630 view->trans_timeout_id = 0;
4634 ev_view_presentation_transition_start (EvView *view)
4638 if (!EV_IS_DOCUMENT_TRANSITION (view->document))
4641 ev_view_presentation_transition_stop (view);
4643 duration = ev_document_transition_get_page_duration (EV_DOCUMENT_TRANSITION (view->document),
4644 view->current_page);
4646 view->trans_timeout_id =
4647 g_timeout_add_seconds (duration,
4648 (GSourceFunc) transition_next_page,
4654 ev_view_set_sizing_mode (EvView *view,
4655 EvSizingMode sizing_mode)
4657 g_return_if_fail (EV_IS_VIEW (view));
4659 if (view->sizing_mode == sizing_mode)
4662 view->sizing_mode = sizing_mode;
4663 gtk_widget_queue_resize (GTK_WIDGET (view));
4665 g_object_notify (G_OBJECT (view), "sizing-mode");
4669 ev_view_get_sizing_mode (EvView *view)
4671 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
4673 return view->sizing_mode;
4677 ev_view_can_zoom_in (EvView *view)
4679 return view->scale * ZOOM_IN_FACTOR <= view->max_scale;
4683 ev_view_can_zoom_out (EvView *view)
4685 return view->scale * ZOOM_OUT_FACTOR >= view->min_scale;
4689 ev_view_zoom_in (EvView *view)
4691 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
4693 if (view->presentation)
4696 view->pending_scroll = SCROLL_TO_CENTER;
4697 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
4701 ev_view_zoom_out (EvView *view)
4703 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
4705 if (view->presentation)
4708 view->pending_scroll = SCROLL_TO_CENTER;
4709 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
4713 ev_view_rotate_right (EvView *view)
4715 int rotation = view->rotation + 90;
4717 if (rotation >= 360) {
4721 ev_view_set_rotation (view, rotation);
4725 ev_view_rotate_left (EvView *view)
4727 int rotation = view->rotation - 90;
4733 ev_view_set_rotation (view, rotation);
4737 ev_view_set_rotation (EvView *view, int rotation)
4739 view->rotation = rotation;
4741 if (view->pixbuf_cache) {
4742 ev_pixbuf_cache_clear (view->pixbuf_cache);
4743 gtk_widget_queue_resize (GTK_WIDGET (view));
4747 clear_selection (view);
4749 g_object_notify (G_OBJECT (view), "rotation");
4753 ev_view_get_rotation (EvView *view)
4755 return view->rotation;
4759 zoom_for_size_fit_width (int doc_width,
4767 scale = (double)target_width / doc_width;
4769 if (doc_height * scale > target_height)
4770 scale = (double) (target_width - vsb_width) / doc_width;
4776 zoom_for_size_fit_height (int doc_width,
4784 scale = (double)target_height / doc_height;
4786 if (doc_width * scale > target_width)
4787 scale = (double) (target_height - vsb_height) / doc_height;
4793 zoom_for_size_best_fit (int doc_width,
4803 w_scale = (double)target_width / doc_width;
4804 h_scale = (double)target_height / doc_height;
4806 if (doc_height * w_scale > target_height)
4807 w_scale = (double) (target_width - vsb_width) / doc_width;
4808 if (doc_width * h_scale > target_width)
4809 h_scale = (double) (target_height - hsb_width) / doc_height;
4811 return MIN (w_scale, h_scale);
4816 ev_view_zoom_for_size_presentation (EvView *view,
4820 int doc_width, doc_height;
4823 ev_page_cache_get_size (view->page_cache,
4829 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
4830 ev_view_set_zoom (view, scale, FALSE);
4834 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
4840 int doc_width, doc_height;
4844 ev_page_cache_get_max_width (view->page_cache,
4848 ev_page_cache_get_max_height (view->page_cache,
4852 compute_border (view, doc_width, doc_height, &border);
4854 doc_width = doc_width * 2;
4855 width -= (2 * (border.left + border.right) + 3 * view->spacing);
4856 height -= (border.top + border.bottom + 2 * view->spacing - 1);
4858 /* FIXME: We really need to calculate the overall height here, not the
4859 * page height. We assume there's always a vertical scrollbar for
4860 * now. We need to fix this. */
4861 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
4862 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
4863 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4864 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
4866 g_assert_not_reached ();
4868 ev_view_set_zoom (view, scale, FALSE);
4872 ev_view_zoom_for_size_continuous (EvView *view,
4878 int doc_width, doc_height;
4882 ev_page_cache_get_max_width (view->page_cache,
4886 ev_page_cache_get_max_height (view->page_cache,
4890 compute_border (view, doc_width, doc_height, &border);
4892 width -= (border.left + border.right + 2 * view->spacing);
4893 height -= (border.top + border.bottom + 2 * view->spacing - 1);
4895 /* FIXME: We really need to calculate the overall height here, not the
4896 * page height. We assume there's always a vertical scrollbar for
4897 * now. We need to fix this. */
4898 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
4899 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
4900 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4901 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
4903 g_assert_not_reached ();
4905 ev_view_set_zoom (view, scale, FALSE);
4909 ev_view_zoom_for_size_dual_page (EvView *view,
4916 gint doc_width, doc_height;
4920 other_page = view->current_page ^ 1;
4922 /* Find the largest of the two. */
4923 ev_page_cache_get_size (view->page_cache,
4927 &doc_width, &doc_height);
4929 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
4930 gint width_2, height_2;
4931 ev_page_cache_get_size (view->page_cache,
4935 &width_2, &height_2);
4936 if (width_2 > doc_width)
4937 doc_width = width_2;
4938 if (height_2 > doc_height)
4939 doc_height = height_2;
4941 compute_border (view, doc_width, doc_height, &border);
4943 doc_width = doc_width * 2;
4944 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
4945 height -= (border.top + border.bottom + 2 * view->spacing);
4947 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
4948 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
4949 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4950 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
4952 g_assert_not_reached ();
4954 ev_view_set_zoom (view, scale, FALSE);
4958 ev_view_zoom_for_size_single_page (EvView *view,
4964 int doc_width, doc_height;
4968 ev_page_cache_get_size (view->page_cache,
4974 /* Get an approximate border */
4975 compute_border (view, width, height, &border);
4977 width -= (border.left + border.right + 2 * view->spacing);
4978 height -= (border.top + border.bottom + 2 * view->spacing);
4980 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
4981 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
4982 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4983 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
4985 g_assert_not_reached ();
4987 ev_view_set_zoom (view, scale, FALSE);
4991 ev_view_set_zoom_for_size (EvView *view,
4997 g_return_if_fail (EV_IS_VIEW (view));
4998 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
4999 view->sizing_mode == EV_SIZING_BEST_FIT);
5000 g_return_if_fail (width >= 0);
5001 g_return_if_fail (height >= 0);
5003 if (view->document == NULL)
5006 if (view->presentation)
5007 ev_view_zoom_for_size_presentation (view, width, height);
5008 else if (view->continuous && view->dual_page)
5009 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
5010 else if (view->continuous)
5011 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
5012 else if (view->dual_page)
5013 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
5015 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
5020 ev_view_find_get_n_results (EvView *view, gint page)
5022 return view->find_pages ? g_list_length (view->find_pages[page]) : 0;
5025 static EvRectangle *
5026 ev_view_find_get_result (EvView *view, gint page, gint result)
5028 return view->find_pages ? (EvRectangle *) g_list_nth_data (view->find_pages[page], result) : NULL;
5032 jump_to_find_result (EvView *view)
5035 gint page = view->current_page;
5037 n_results = ev_view_find_get_n_results (view, page);
5039 if (n_results > 0 && view->find_result < n_results) {
5041 GdkRectangle view_rect;
5043 rect = ev_view_find_get_result (view, page, view->find_result);
5044 doc_rect_to_view_rect (view, page, rect, &view_rect);
5045 ensure_rectangle_is_visible (view, &view_rect);
5046 view->jump_to_find_result = FALSE;
5052 * @view: #EvView instance
5053 * @direction: Direction to look
5054 * @shift: Shift from current page
5056 * Jumps to the first page that has occurences of searched word.
5057 * Uses a direction where to look and a shift from current page.
5061 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
5065 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5067 for (i = 0; i < n_pages; i++) {
5070 if (direction == EV_VIEW_FIND_NEXT)
5071 page = view->current_page + i;
5073 page = view->current_page - i;
5076 if (page >= n_pages) {
5077 page = page - n_pages;
5078 } else if (page < 0)
5079 page = page + n_pages;
5081 if (ev_view_find_get_n_results (view, page) > 0) {
5082 ev_page_cache_set_current_page (view->page_cache, page);
5089 ev_view_find_changed (EvView *view, GList **results, gint page)
5091 view->find_pages = results;
5093 if (view->jump_to_find_result == TRUE) {
5094 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
5095 jump_to_find_result (view);
5098 if (view->current_page == page)
5099 gtk_widget_queue_draw (GTK_WIDGET (view));
5103 ev_view_find_next (EvView *view)
5107 n_results = ev_view_find_get_n_results (view, view->current_page);
5108 view->find_result++;
5110 if (view->find_result >= n_results) {
5111 view->find_result = 0;
5112 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
5113 jump_to_find_result (view);
5115 jump_to_find_result (view);
5116 gtk_widget_queue_draw (GTK_WIDGET (view));
5121 ev_view_find_previous (EvView *view)
5123 view->find_result--;
5125 if (view->find_result < 0) {
5126 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
5127 view->find_result = MAX (0, ev_view_find_get_n_results (view, view->current_page) - 1);
5128 jump_to_find_result (view);
5130 jump_to_find_result (view);
5131 gtk_widget_queue_draw (GTK_WIDGET (view));
5136 ev_view_find_search_changed (EvView *view)
5138 /* search string has changed, focus on new search result */
5139 view->jump_to_find_result = TRUE;
5140 view->find_pages = NULL;
5144 ev_view_find_set_highlight_search (EvView *view, gboolean value)
5146 view->highlight_find_results = value;
5147 gtk_widget_queue_draw (GTK_WIDGET (view));
5151 ev_view_find_cancel (EvView *view)
5153 view->find_pages = NULL;
5156 /*** Selections ***/
5158 /* compute_new_selection_rect/text calculates the area currently selected by
5159 * view_rect. each handles a different mode;
5162 compute_new_selection_rect (EvView *view,
5166 GdkRectangle view_rect;
5170 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
5172 view_rect.x = MIN (start->x, stop->x);
5173 view_rect.y = MIN (start->y, stop->y);
5174 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
5175 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
5177 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5179 for (i = 0; i < n_pages; i++) {
5180 GdkRectangle page_area;
5183 if (get_page_extents (view, i, &page_area, &border)) {
5184 GdkRectangle overlap;
5186 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
5187 EvViewSelection *selection;
5189 selection = g_new0 (EvViewSelection, 1);
5190 selection->page = i;
5191 view_rect_to_doc_rect (view, &overlap, &page_area,
5192 &(selection->rect));
5194 list = g_list_append (list, selection);
5203 gdk_rectangle_point_in (GdkRectangle *rectangle,
5206 return rectangle->x <= point->x &&
5207 rectangle->y <= point->y &&
5208 point->x < rectangle->x + rectangle->width &&
5209 point->y < rectangle->y + rectangle->height;
5213 compute_new_selection_text (EvView *view,
5214 EvSelectionStyle style,
5218 int n_pages, i, first, last;
5220 EvViewSelection *selection;
5222 int start_page, end_page;
5224 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
5226 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5228 /* First figure out the range of pages the selection
5232 if (view->continuous) {
5235 } else if (view->dual_page) {
5236 start_page = view->start_page;
5237 end_page = view->end_page + 1;
5239 start_page = view->current_page;
5240 end_page = view->current_page + 1;
5243 for (i = start_page; i < end_page; i++) {
5244 GdkRectangle page_area;
5247 get_page_extents (view, i, &page_area, &border);
5248 if (gdk_rectangle_point_in (&page_area, start) ||
5249 gdk_rectangle_point_in (&page_area, stop)) {
5250 if (first == n_pages)
5257 /* Now create a list of EvViewSelection's for the affected
5258 * pages. This could be an empty list, a list of just one
5259 * page or a number of pages.*/
5260 for (i = first; i < last + 1; i++) {
5261 GdkRectangle page_area;
5265 ev_page_cache_get_size (view->page_cache, i,
5267 1.0, &width, &height);
5269 selection = g_new0 (EvViewSelection, 1);
5270 selection->page = i;
5271 selection->style = style;
5272 selection->rect.x1 = selection->rect.y1 = 0;
5273 selection->rect.x2 = width;
5274 selection->rect.y2 = height;
5276 get_page_extents (view, i, &page_area, &border);
5278 if (gdk_rectangle_point_in (&page_area, start))
5284 view_point_to_doc_point (view, point, &page_area,
5285 &selection->rect.x1,
5286 &selection->rect.y1);
5288 /* If the selection is contained within just one page,
5289 * make sure we don't write 'start' into both points
5290 * in selection->rect. */
5295 view_point_to_doc_point (view, point, &page_area,
5296 &selection->rect.x2,
5297 &selection->rect.y2);
5299 list = g_list_append (list, selection);
5305 /* This function takes the newly calculated list, and figures out which regions
5306 * have changed. It then queues a redraw approporiately.
5309 merge_selection_region (EvView *view,
5313 GList *new_list_ptr, *old_list_ptr;
5315 /* Update the selection */
5316 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
5317 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5318 g_list_free (view->selection_info.selections);
5319 view->selection_info.selections = new_list;
5320 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
5321 g_object_notify (G_OBJECT (view), "has-selection");
5323 new_list_ptr = new_list;
5324 old_list_ptr = old_list;
5326 while (new_list_ptr || old_list_ptr) {
5327 EvViewSelection *old_sel, *new_sel;
5329 GdkRegion *region = NULL;
5331 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
5332 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
5334 /* Assume that the lists are in order, and we run through them
5335 * comparing them, one page at a time. We come out with the
5336 * first page we see. */
5337 if (new_sel && old_sel) {
5338 if (new_sel->page < old_sel->page) {
5339 new_list_ptr = new_list_ptr->next;
5341 } else if (new_sel->page > old_sel->page) {
5342 old_list_ptr = old_list_ptr->next;
5345 new_list_ptr = new_list_ptr->next;
5346 old_list_ptr = old_list_ptr->next;
5348 } else if (new_sel) {
5349 new_list_ptr = new_list_ptr->next;
5350 } else if (old_sel) {
5351 old_list_ptr = old_list_ptr->next;
5354 g_assert (new_sel || old_sel);
5356 /* is the page we're looking at on the screen?*/
5357 cur_page = new_sel ? new_sel->page : old_sel->page;
5358 if (cur_page < view->start_page || cur_page > view->end_page)
5361 /* seed the cache with a new page. We are going to need the new
5364 GdkRegion *tmp_region = NULL;
5366 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
5372 new_sel->covered_region = gdk_region_copy (tmp_region);
5376 /* Now we figure out what needs redrawing */
5377 if (old_sel && new_sel) {
5378 if (old_sel->covered_region && new_sel->covered_region) {
5379 /* We only want to redraw the areas that have
5380 * changed, so we xor the old and new regions
5381 * and redraw if it's different */
5382 region = gdk_region_copy (old_sel->covered_region);
5383 gdk_region_xor (region, new_sel->covered_region);
5384 if (gdk_region_empty (region)) {
5385 gdk_region_destroy (region);
5388 } else if (old_sel->covered_region) {
5389 region = gdk_region_copy (old_sel->covered_region);
5390 } else if (new_sel->covered_region) {
5391 region = gdk_region_copy (new_sel->covered_region);
5393 } else if (old_sel && !new_sel) {
5394 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
5395 region = gdk_region_copy (old_sel->covered_region);
5397 } else if (!old_sel && new_sel) {
5398 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
5399 region = gdk_region_copy (new_sel->covered_region);
5402 g_assert_not_reached ();
5405 /* Redraw the damaged region! */
5407 GdkRectangle page_area;
5410 /* I don't know why but the region is smaller
5411 * than expected. This hack fixes it, I guess
5412 * 10 pixels more won't hurt
5414 gdk_region_shrink (region, -5, -5);
5416 get_page_extents (view, cur_page, &page_area, &border);
5417 gdk_region_offset (region,
5418 page_area.x + border.left - view->scroll_x,
5419 page_area.y + border.top - view->scroll_y);
5420 gdk_window_invalidate_region (view->layout.bin_window, region, TRUE);
5421 gdk_region_destroy (region);
5425 /* Free the old list, now that we're done with it. */
5426 g_list_foreach (old_list, (GFunc) selection_free, NULL);
5427 g_list_free (old_list);
5431 compute_selections (EvView *view,
5432 EvSelectionStyle style,
5438 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
5439 list = compute_new_selection_rect (view, start, stop);
5441 list = compute_new_selection_text (view, style, start, stop);
5442 merge_selection_region (view, list);
5445 /* Free's the selection. It's up to the caller to queue redraws if needed.
5448 selection_free (EvViewSelection *selection)
5450 if (selection->covered_region)
5451 gdk_region_destroy (selection->covered_region);
5456 clear_selection (EvView *view)
5458 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5459 g_list_free (view->selection_info.selections);
5460 view->selection_info.selections = NULL;
5461 view->selection_info.in_selection = FALSE;
5462 if (view->pixbuf_cache)
5463 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
5464 g_object_notify (G_OBJECT (view), "has-selection");
5468 ev_view_select_all (EvView *view)
5470 GList *selections = NULL;
5473 /* Disable selection on rotated pages for the 0.4.0 series */
5474 if (view->rotation != 0)
5477 clear_selection (view);
5479 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5480 for (i = 0; i < n_pages; i++) {
5482 EvViewSelection *selection;
5484 ev_page_cache_get_size (view->page_cache,
5487 1.0, &width, &height);
5489 selection = g_new0 (EvViewSelection, 1);
5490 selection->page = i;
5491 selection->style = EV_SELECTION_STYLE_GLYPH;
5492 selection->rect.x1 = selection->rect.y1 = 0;
5493 selection->rect.x2 = width;
5494 selection->rect.y2 = height;
5496 selections = g_list_append (selections, selection);
5499 merge_selection_region (view, selections);
5500 gtk_widget_queue_draw (GTK_WIDGET (view));
5504 ev_view_get_has_selection (EvView *view)
5506 return view->selection_info.selections != NULL;
5510 get_selected_text (EvView *view)
5514 gchar *normalized_text;
5515 EvRenderContext *rc;
5517 text = g_string_new (NULL);
5518 rc = ev_render_context_new (NULL, view->rotation, view->scale);
5520 ev_document_doc_mutex_lock ();
5522 for (l = view->selection_info.selections; l != NULL; l = l->next) {
5523 EvViewSelection *selection = (EvViewSelection *)l->data;
5527 page = ev_document_get_page (view->document, selection->page);
5528 ev_render_context_set_page (rc, page);
5529 g_object_unref (page);
5531 tmp = ev_selection_get_selected_text (EV_SELECTION (view->document),
5532 rc, selection->style,
5533 &(selection->rect));
5535 g_string_append (text, tmp);
5539 g_object_unref (rc);
5541 ev_document_doc_mutex_unlock ();
5543 normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC);
5544 g_string_free (text, TRUE);
5545 return normalized_text;
5549 ev_view_clipboard_copy (EvView *view,
5552 GtkClipboard *clipboard;
5554 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
5555 GDK_SELECTION_CLIPBOARD);
5556 gtk_clipboard_set_text (clipboard, text, -1);
5560 ev_view_copy (EvView *ev_view)
5564 if (!EV_IS_SELECTION (ev_view->document))
5567 text = get_selected_text (ev_view);
5568 ev_view_clipboard_copy (ev_view, text);
5573 ev_view_primary_get_cb (GtkClipboard *clipboard,
5574 GtkSelectionData *selection_data,
5578 EvView *ev_view = EV_VIEW (data);
5580 if (ev_view->link_selected) {
5581 gtk_selection_data_set_text (selection_data,
5582 ev_link_action_get_uri (ev_view->link_selected),
5584 } else if (EV_IS_SELECTION (ev_view->document) &&
5585 ev_view->selection_info.selections) {
5588 text = get_selected_text (ev_view);
5590 gtk_selection_data_set_text (selection_data, text, -1);
5597 ev_view_primary_clear_cb (GtkClipboard *clipboard,
5600 EvView *view = EV_VIEW (data);
5602 clear_selection (view);
5603 clear_link_selected (view);
5607 ev_view_update_primary_selection (EvView *ev_view)
5609 GtkClipboard *clipboard;
5611 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
5612 GDK_SELECTION_PRIMARY);
5614 if (ev_view->selection_info.selections || ev_view->link_selected) {
5615 GtkTargetList *target_list;
5616 GtkTargetEntry *targets;
5619 target_list = gtk_target_list_new (NULL, 0);
5620 gtk_target_list_add_text_targets (target_list, 0);
5621 targets = gtk_target_table_new_from_list (target_list, &n_targets);
5622 gtk_target_list_unref (target_list);
5624 if (!gtk_clipboard_set_with_owner (clipboard,
5626 ev_view_primary_get_cb,
5627 ev_view_primary_clear_cb,
5628 G_OBJECT (ev_view)))
5629 ev_view_primary_clear_cb (clipboard, ev_view);
5631 gtk_target_table_free (targets, n_targets);
5633 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
5634 gtk_clipboard_clear (clipboard);
5639 clear_link_selected (EvView *view)
5641 if (view->link_selected) {
5642 g_object_unref (view->link_selected);
5643 view->link_selected = NULL;
5648 ev_view_copy_link_address (EvView *view,
5649 EvLinkAction *action)
5651 clear_link_selected (view);
5653 ev_view_clipboard_copy (view, ev_link_action_get_uri (action));
5655 view->link_selected = g_object_ref (action);
5656 ev_view_update_primary_selection (view);
5659 /*** Cursor operations ***/
5662 ev_view_create_invisible_cursor(void)
5665 GdkColor black = { 0, 0, 0, 0 };
5666 static char bits[] = { 0x00 };
5668 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
5670 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
5674 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
5676 GdkCursor *cursor = NULL;
5677 GdkDisplay *display;
5680 if (view->cursor == new_cursor) {
5684 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
5685 display = gtk_widget_get_display (widget);
5686 view->cursor = new_cursor;
5688 switch (new_cursor) {
5689 case EV_VIEW_CURSOR_NORMAL:
5690 gdk_window_set_cursor (view->layout.bin_window, NULL);
5692 case EV_VIEW_CURSOR_IBEAM:
5693 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
5695 case EV_VIEW_CURSOR_LINK:
5696 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
5698 case EV_VIEW_CURSOR_WAIT:
5699 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
5701 case EV_VIEW_CURSOR_HIDDEN:
5702 cursor = ev_view_create_invisible_cursor ();
5704 case EV_VIEW_CURSOR_DRAG:
5705 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
5707 case EV_VIEW_CURSOR_AUTOSCROLL:
5708 cursor = gdk_cursor_new_for_display (display, GDK_DOUBLE_ARROW);
5713 gdk_window_set_cursor (view->layout.bin_window, cursor);
5714 gdk_cursor_unref (cursor);
5720 ev_view_hide_cursor (EvView *view)
5722 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
5726 ev_view_show_cursor (EvView *view)
5728 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
5732 ev_view_reset_presentation_state (EvView *view)
5734 if (!view->presentation ||
5735 view->presentation_state == EV_PRESENTATION_NORMAL)
5738 view->presentation_state = EV_PRESENTATION_NORMAL;
5739 gdk_window_set_background (view->layout.bin_window,
5740 >K_WIDGET (view)->style->black);
5741 gtk_widget_queue_draw (GTK_WIDGET (view));
5745 ev_view_next_page (EvView *view)
5749 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5751 if (!view->page_cache)
5754 if (view->presentation &&
5755 (view->presentation_state == EV_PRESENTATION_BLACK ||
5756 view->presentation_state == EV_PRESENTATION_WHITE)) {
5757 ev_view_reset_presentation_state (view);
5761 if (view->animation) {
5762 ev_view_transition_animation_cancel (view->animation, view);
5765 ev_view_presentation_transition_stop (view);
5766 ev_view_reset_presentation_state (view);
5768 page = ev_page_cache_get_current_page (view->page_cache);
5769 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5771 if (view->dual_page && !view->presentation)
5776 if (page < n_pages) {
5777 ev_page_cache_set_current_page (view->page_cache, page);
5779 } else if (view->presentation && page == n_pages) {
5780 view->presentation_state = EV_PRESENTATION_END;
5781 gtk_widget_queue_draw (GTK_WIDGET (view));
5783 } else if (view->dual_page && page == n_pages) {
5784 ev_page_cache_set_current_page (view->page_cache, page - 1);
5792 ev_view_previous_page (EvView *view)
5796 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5798 if (!view->page_cache)
5801 if (view->presentation &&
5802 view->presentation_state == EV_PRESENTATION_END) {
5803 ev_view_reset_presentation_state (view);
5807 if (view->presentation &&
5808 (view->presentation_state == EV_PRESENTATION_BLACK ||
5809 view->presentation_state == EV_PRESENTATION_WHITE)) {
5810 ev_view_reset_presentation_state (view);
5814 if (view->animation) {
5815 ev_view_transition_animation_cancel (view->animation, view);
5818 ev_view_reset_presentation_state (view);
5820 page = ev_page_cache_get_current_page (view->page_cache);
5822 if (view->dual_page && !view->presentation)
5828 ev_page_cache_set_current_page (view->page_cache, page);
5830 } else if (ev_view_get_dual_page (view) && page == -1) {
5831 ev_page_cache_set_current_page (view->page_cache, 0);