1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
2 /* this file is part of evince, a gnome document viewer
4 * Copyright (C) 2004 Red Hat, Inc
6 * Evince is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Evince is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
27 #include <glib/gi18n.h>
29 #include <gdk/gdkkeysyms.h>
31 #include "ev-application.h"
32 #include "ev-document-forms.h"
33 #include "ev-document-images.h"
34 #include "ev-document-links.h"
35 #include "ev-document-misc.h"
36 #include "ev-document-transition.h"
37 #include "ev-marshal.h"
38 #include "ev-page-cache.h"
39 #include "ev-pixbuf-cache.h"
40 #include "ev-transition-animation.h"
43 #include "ev-view-private.h"
45 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
46 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
47 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
62 SIGNAL_BINDING_ACTIVATED,
81 TARGET_TEXT_BUFFER_CONTENTS
84 static const GtkTargetEntry clipboard_targets[] = {
85 { "STRING", 0, TARGET_STRING },
86 { "TEXT", 0, TARGET_TEXT },
87 { "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT },
88 { "UTF8_STRING", 0, TARGET_UTF8_STRING },
91 static const GtkTargetEntry view_drop_targets[] = {
92 { "text/uri-list", 0, 0 }
95 static guint signals[N_SIGNALS];
100 } EvViewFindDirection;
102 #define ZOOM_IN_FACTOR 1.2
103 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
105 #define MIN_SCALE 0.05409
106 #define MAX_SCALE 4.0
108 #define SCROLL_TIME 150
111 static void scroll_to_current_page (EvView *view,
112 GtkOrientation orientation);
113 static void ev_view_set_scroll_adjustments (GtkLayout *layout,
114 GtkAdjustment *hadjustment,
115 GtkAdjustment *vadjustment);
116 static void view_update_range_and_current_page (EvView *view);
117 static void set_scroll_adjustment (EvView *view,
118 GtkOrientation orientation,
119 GtkAdjustment *adjustment);
120 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
122 GdkModifierType modifiers,
123 GtkScrollType scroll,
124 gboolean horizontal);
125 static void ensure_rectangle_is_visible (EvView *view,
128 /*** Geometry computations ***/
129 static void compute_border (EvView *view,
133 static void get_page_y_offset (EvView *view,
137 static gboolean get_page_extents (EvView *view,
139 GdkRectangle *page_area,
141 static void view_rect_to_doc_rect (EvView *view,
142 GdkRectangle *view_rect,
143 GdkRectangle *page_area,
144 EvRectangle *doc_rect);
145 static void doc_rect_to_view_rect (EvView *view,
147 EvRectangle *doc_rect,
148 GdkRectangle *view_rect);
149 static void find_page_at_location (EvView *view,
155 static gboolean doc_point_to_view_point (EvView *view,
158 GdkPoint *view_point);
160 static EvLink * ev_view_get_link_at_location (EvView *view,
163 static char* tip_from_link (EvView *view,
166 static EvFormField *ev_view_get_form_field_at_location (EvView *view,
170 /*** GtkWidget implementation ***/
171 static void ev_view_size_request_continuous_dual_page (EvView *view,
172 GtkRequisition *requisition);
173 static void ev_view_size_request_continuous (EvView *view,
174 GtkRequisition *requisition);
175 static void ev_view_size_request_dual_page (EvView *view,
176 GtkRequisition *requisition);
177 static void ev_view_size_request_single_page (EvView *view,
178 GtkRequisition *requisition);
179 static void ev_view_size_request (GtkWidget *widget,
180 GtkRequisition *requisition);
181 static void ev_view_size_allocate (GtkWidget *widget,
182 GtkAllocation *allocation);
183 static void ev_view_realize (GtkWidget *widget);
184 static gboolean ev_view_scroll_event (GtkWidget *widget,
185 GdkEventScroll *event);
186 static gboolean ev_view_expose_event (GtkWidget *widget,
187 GdkEventExpose *event);
188 static gboolean ev_view_popup_menu (GtkWidget *widget);
189 static gboolean ev_view_button_press_event (GtkWidget *widget,
190 GdkEventButton *event);
191 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
192 GdkEventMotion *event);
193 static gboolean ev_view_button_release_event (GtkWidget *widget,
194 GdkEventButton *event);
195 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
196 GdkEventCrossing *event);
197 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
198 GdkEventCrossing *event);
199 static void ev_view_style_set (GtkWidget *widget,
200 GtkStyle *old_style);
201 static void ev_view_remove_all (EvView *view);
203 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
206 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
207 static void draw_rubberband (GtkWidget *widget,
209 const GdkRectangle *rect,
211 static void highlight_find_results (EvView *view,
213 static void draw_one_page (EvView *view,
216 GdkRectangle *page_area,
218 GdkRectangle *expose_area,
219 gboolean *page_ready);
220 static void draw_loading_text (EvView *view,
221 GdkRectangle *page_area,
222 GdkRectangle *expose_area);
223 static void ev_view_reload_page (EvView *view,
228 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
231 static void page_changed_cb (EvPageCache *page_cache,
234 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
238 static void ev_view_finalize (GObject *object);
239 static void ev_view_destroy (GtkObject *object);
240 static void ev_view_set_property (GObject *object,
244 static void ev_view_get_property (GObject *object,
248 static void ev_view_class_init (EvViewClass *class);
249 static void ev_view_init (EvView *view);
251 /*** Zoom and sizing ***/
252 static double zoom_for_size_fit_width (int doc_width,
257 static double zoom_for_size_fit_height (int doc_width,
262 static double zoom_for_size_best_fit (int doc_width,
268 static void ev_view_zoom_for_size_presentation (EvView *view,
271 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
276 static void ev_view_zoom_for_size_continuous (EvView *view,
281 static void ev_view_zoom_for_size_dual_page (EvView *view,
286 static void ev_view_zoom_for_size_single_page (EvView *view,
292 static GdkCursor* ev_view_create_invisible_cursor (void);
293 static void ev_view_set_cursor (EvView *view,
294 EvViewCursor new_cursor);
295 static void ev_view_handle_cursor_over_xy (EvView *view,
300 static gint ev_view_find_get_n_results (EvView *view,
302 static EvRectangle *ev_view_find_get_result (EvView *view,
305 static void jump_to_find_result (EvView *view);
306 static void jump_to_find_page (EvView *view,
307 EvViewFindDirection direction,
311 static void compute_selections (EvView *view,
312 EvSelectionStyle style,
315 static void clear_selection (EvView *view);
316 static void clear_link_selected (EvView *view);
317 static void selection_free (EvViewSelection *selection);
318 static char* get_selected_text (EvView *ev_view);
319 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
320 GtkSelectionData *selection_data,
323 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
325 static void ev_view_update_primary_selection (EvView *ev_view);
327 /*** Presentation ***/
328 static void ev_view_presentation_transition_start (EvView *ev_view);
329 static void ev_view_presentation_transition_stop (EvView *ev_view);
332 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_LAYOUT)
335 scroll_to_current_page (EvView *view, GtkOrientation orientation)
339 if (view->document == NULL) {
343 doc_point_to_view_point (view, view->current_page, &view->pending_point, &view_point);
345 if (orientation == GTK_ORIENTATION_VERTICAL) {
346 view->pending_point.y = 0;
348 view->pending_point.x = 0;
351 if (orientation == GTK_ORIENTATION_VERTICAL) {
352 if (view->continuous) {
353 gtk_adjustment_clamp_page (view->vadjustment,
354 view_point.y - view->spacing / 2,
355 view_point.y + view->vadjustment->page_size);
357 gtk_adjustment_set_value (view->vadjustment,
359 view->vadjustment->lower,
360 view->vadjustment->upper -
361 view->vadjustment->page_size));
364 if (view->dual_page) {
365 gtk_adjustment_clamp_page (view->hadjustment,
367 view_point.x + view->hadjustment->page_size);
369 gtk_adjustment_set_value (view->hadjustment,
371 view->hadjustment->lower,
372 view->hadjustment->upper -
373 view->hadjustment->page_size));
379 view_set_adjustment_values (EvView *view,
380 GtkOrientation orientation)
382 GtkWidget *widget = GTK_WIDGET (view);
383 GtkAdjustment *adjustment;
390 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
391 requisition = widget->requisition.width;
392 allocation = widget->allocation.width;
393 adjustment = view->hadjustment;
395 requisition = widget->requisition.height;
396 allocation = widget->allocation.height;
397 adjustment = view->vadjustment;
404 switch (view->pending_scroll) {
405 case SCROLL_TO_KEEP_POSITION:
406 case SCROLL_TO_FIND_LOCATION:
407 factor = (adjustment->value) / adjustment->upper;
409 case SCROLL_TO_PAGE_POSITION:
411 case SCROLL_TO_CENTER:
412 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
416 adjustment->page_size = allocation;
417 adjustment->step_increment = allocation * 0.1;
418 adjustment->page_increment = allocation * 0.9;
419 adjustment->lower = 0;
420 adjustment->upper = MAX (allocation, requisition);
423 * We add 0.5 to the values before to average out our rounding errors.
425 switch (view->pending_scroll) {
426 case SCROLL_TO_KEEP_POSITION:
427 case SCROLL_TO_FIND_LOCATION:
428 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
429 gtk_adjustment_set_value (adjustment, (int)new_value);
431 case SCROLL_TO_PAGE_POSITION:
432 scroll_to_current_page (view, orientation);
434 case SCROLL_TO_CENTER:
435 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
436 0, adjustment->upper - adjustment->page_size);
437 gtk_adjustment_set_value (adjustment, (int)new_value);
441 gtk_adjustment_changed (adjustment);
445 view_update_range_and_current_page (EvView *view)
448 gint best_current_page = -1;
450 /* Presentation trumps all other modes */
451 if (view->presentation) {
452 view->start_page = view->current_page;
453 view->end_page = view->current_page;
454 } else if (view->continuous) {
455 GdkRectangle current_area, unused, page_area;
457 gboolean found = FALSE;
458 gint area_max = -1, area;
461 if (!(view->vadjustment && view->hadjustment))
464 current_area.x = view->hadjustment->value;
465 current_area.width = view->hadjustment->upper;
466 current_area.y = view->vadjustment->value;
467 current_area.height = view->vadjustment->page_size;
469 for (i = 0; i < ev_page_cache_get_n_pages (view->page_cache); i++) {
471 get_page_extents (view, i, &page_area, &border);
473 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
474 area = unused.width * unused.height;
478 view->start_page = i;
480 best_current_page = i;
482 if (area > area_max) {
483 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
488 } else if (found && view->current_page <= view->end_page) {
493 } else if (view->dual_page) {
494 if (view->current_page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) {
495 view->start_page = view->current_page;
496 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache))
497 view->end_page = view->start_page + 1;
499 view->end_page = view->start_page;
501 if (view->current_page < 1)
502 view->start_page = view->current_page;
504 view->start_page = view->current_page - 1;
505 view->end_page = view->current_page;
508 view->start_page = view->current_page;
509 view->end_page = view->current_page;
512 best_current_page = MAX (best_current_page, view->start_page);
513 current_page = ev_page_cache_get_current_page (view->page_cache);
515 if ((current_page != best_current_page) && (view->pending_scroll == SCROLL_TO_KEEP_POSITION)) {
516 view->current_page = best_current_page;
517 ev_page_cache_set_current_page (view->page_cache, best_current_page);
520 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
525 view->selection_info.selections);
529 set_scroll_adjustment (EvView *view,
530 GtkOrientation orientation,
531 GtkAdjustment *adjustment)
533 GtkAdjustment **to_set;
535 if (orientation == GTK_ORIENTATION_HORIZONTAL)
536 to_set = &view->hadjustment;
538 to_set = &view->vadjustment;
540 if (*to_set != adjustment) {
542 g_signal_handlers_disconnect_by_func (*to_set,
543 (gpointer) on_adjustment_value_changed,
545 g_object_unref (*to_set);
548 *to_set = adjustment;
549 view_set_adjustment_values (view, orientation);
552 g_object_ref (*to_set);
553 g_signal_connect (*to_set, "value_changed",
554 G_CALLBACK (on_adjustment_value_changed), view);
560 ev_view_set_scroll_adjustments (GtkLayout *layout,
561 GtkAdjustment *hadjustment,
562 GtkAdjustment *vadjustment)
564 EvView *view = EV_VIEW (layout);
566 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
567 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
569 on_adjustment_value_changed (NULL, view);
573 add_scroll_binding_keypad (GtkBindingSet *binding_set,
575 GdkModifierType modifiers,
576 GtkScrollType scroll,
579 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
581 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
582 "binding_activated", 2,
583 GTK_TYPE_SCROLL_TYPE, scroll,
584 G_TYPE_BOOLEAN, horizontal);
585 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
586 "binding_activated", 2,
587 GTK_TYPE_SCROLL_TYPE, scroll,
588 G_TYPE_BOOLEAN, horizontal);
592 ev_view_scroll (EvView *view,
593 GtkScrollType scroll,
596 GtkAdjustment *adjustment;
597 double value, increment;
598 gboolean first_page = FALSE;
599 gboolean last_page = FALSE;
601 view->jump_to_find_result = FALSE;
603 if (view->presentation || view->sizing_mode == EV_SIZING_BEST_FIT) {
605 case GTK_SCROLL_PAGE_BACKWARD:
606 case GTK_SCROLL_STEP_BACKWARD:
607 ev_view_previous_page (view);
609 case GTK_SCROLL_PAGE_FORWARD:
610 case GTK_SCROLL_STEP_FORWARD:
611 ev_view_next_page (view);
619 /* Assign values for increment and vertical adjustment */
620 adjustment = horizontal ? view->hadjustment : view->vadjustment;
621 increment = adjustment->page_size * 0.75;
622 value = adjustment->value;
624 /* Assign boolean for first and last page */
625 if (view->current_page == 0)
627 if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1)
631 case GTK_SCROLL_PAGE_BACKWARD:
632 /* Do not jump backwards if at the first page */
633 if (value == (adjustment->lower) && first_page) {
635 /* At the top of a page, assign the upper bound limit of previous page */
636 } else if (value == (adjustment->lower)) {
637 value = adjustment->upper - adjustment->page_size;
638 ev_view_previous_page (view);
639 /* Jump to the top */
641 value = MAX (value - increment, adjustment->lower);
644 case GTK_SCROLL_PAGE_FORWARD:
645 /* Do not jump forward if at the last page */
646 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
648 /* At the bottom of a page, assign the lower bound limit of next page */
649 } else if (value == (adjustment->upper - adjustment->page_size)) {
651 ev_view_next_page (view);
652 /* Jump to the bottom */
654 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
657 case GTK_SCROLL_STEP_BACKWARD:
658 value -= adjustment->step_increment;
660 case GTK_SCROLL_STEP_FORWARD:
661 value += adjustment->step_increment;
663 case GTK_SCROLL_STEP_DOWN:
664 value -= adjustment->step_increment / 10;
666 case GTK_SCROLL_STEP_UP:
667 value += adjustment->step_increment / 10;
673 value = CLAMP (value, adjustment->lower,
674 adjustment->upper - adjustment->page_size);
676 gtk_adjustment_set_value (adjustment, value);
682 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
684 GtkWidget *widget = GTK_WIDGET (view);
685 GtkAdjustment *adjustment;
688 view->pending_scroll = SCROLL_TO_FIND_LOCATION;
690 adjustment = view->vadjustment;
692 if (rect->y < adjustment->value) {
693 value = MAX (adjustment->lower, rect->y - MARGIN);
694 gtk_adjustment_set_value (view->vadjustment, value);
695 } else if (rect->y + rect->height >
696 adjustment->value + widget->allocation.height) {
697 value = MIN (adjustment->upper, rect->y + rect->height -
698 widget->allocation.height + MARGIN);
699 gtk_adjustment_set_value (view->vadjustment, value);
702 adjustment = view->hadjustment;
704 if (rect->x < adjustment->value) {
705 value = MAX (adjustment->lower, rect->x - MARGIN);
706 gtk_adjustment_set_value (view->hadjustment, value);
707 } else if (rect->x + rect->height >
708 adjustment->value + widget->allocation.width) {
709 value = MIN (adjustment->upper, rect->x + rect->width -
710 widget->allocation.width + MARGIN);
711 gtk_adjustment_set_value (view->hadjustment, value);
714 gtk_widget_queue_resize (GTK_WIDGET (view));
717 /*** Geometry computations ***/
720 compute_border (EvView *view, int width, int height, GtkBorder *border)
722 if (view->presentation) {
728 ev_document_misc_get_page_border_size (width, height, border);
733 get_page_y_offset (EvView *view, int page, double zoom, int *y_offset)
735 int max_width, offset;
738 g_return_if_fail (y_offset != NULL);
740 ev_page_cache_get_max_width (view->page_cache, view->rotation, zoom, &max_width);
742 compute_border (view, max_width, max_width, &border);
744 if (view->dual_page) {
745 ev_page_cache_get_height_to_page (view->page_cache, page,
746 view->rotation, zoom, NULL, &offset);
747 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);
749 ev_page_cache_get_height_to_page (view->page_cache, page,
750 view->rotation, zoom, &offset, NULL);
751 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
759 get_page_extents (EvView *view,
761 GdkRectangle *page_area,
767 widget = GTK_WIDGET (view);
769 /* Get the size of the page */
770 ev_page_cache_get_size (view->page_cache, page,
774 compute_border (view, width, height, border);
775 page_area->width = width + border->left + border->right;
776 page_area->height = height + border->top + border->bottom;
778 if (view->presentation) {
779 page_area->x = (MAX (0, widget->allocation.width - width))/2;
780 page_area->y = (MAX (0, widget->allocation.height - height))/2;
781 } else if (view->continuous) {
785 ev_page_cache_get_max_width (view->page_cache, view->rotation,
786 view->scale, &max_width);
787 max_width = max_width + border->left + border->right;
788 /* Get the location of the bounding box */
789 if (view->dual_page) {
790 x = view->spacing + ((page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? 0 : 1) * (max_width + view->spacing);
791 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
792 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
793 x = x + (max_width - width - border->left - border->right);
796 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
799 get_page_y_offset (view, page, view->scale, &y);
805 if (view->dual_page) {
806 gint width_2, height_2;
807 gint max_width = width;
808 gint max_height = height;
809 GtkBorder overall_border;
812 other_page = (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? page + 1: page - 1;
814 /* First, we get the bounding box of the two pages */
815 if (other_page < ev_page_cache_get_n_pages (view->page_cache)
816 && (0 <= other_page)) {
817 ev_page_cache_get_size (view->page_cache,
821 &width_2, &height_2);
824 if (height_2 > height)
825 max_height = height_2;
827 compute_border (view, max_width, max_height, &overall_border);
829 /* Find the offsets */
833 /* Adjust for being the left or right page */
834 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
835 x = x + max_width - width;
837 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
839 y = y + (max_height - height)/2;
841 /* Adjust for extra allocation */
842 x = x + MAX (0, widget->allocation.width -
843 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
844 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
849 /* Adjust for extra allocation */
850 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
851 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
862 view_point_to_doc_point (EvView *view,
863 GdkPoint *view_point,
864 GdkRectangle *page_area,
868 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
869 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
873 view_rect_to_doc_rect (EvView *view,
874 GdkRectangle *view_rect,
875 GdkRectangle *page_area,
876 EvRectangle *doc_rect)
878 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
879 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
880 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
881 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
885 doc_point_to_view_point (EvView *view,
888 GdkPoint *view_point)
890 GdkRectangle page_area;
892 double x, y, view_x, view_y;
895 ev_page_cache_get_size (view->page_cache, page,
900 if (view->rotation == 0) {
903 } else if (view->rotation == 90) {
904 x = width - doc_point->y;
906 } else if (view->rotation == 180) {
907 x = width - doc_point->x;
908 y = height - doc_point->y;
909 } else if (view->rotation == 270) {
911 y = height - doc_point->x;
913 g_assert_not_reached ();
916 get_page_extents (view, page, &page_area, &border);
918 view_x = x * view->scale;
919 view_y = y * view->scale;
920 view_point->x = view_x + page_area.x;
921 view_point->y = view_y + page_area.y;
923 return (view_x > 0 && view_x <= page_area.width &&
924 view_y > 0 && view_y <= page_area.height);
928 doc_rect_to_view_rect (EvView *view,
930 EvRectangle *doc_rect,
931 GdkRectangle *view_rect)
933 GdkRectangle page_area;
938 ev_page_cache_get_size (view->page_cache, page,
943 if (view->rotation == 0) {
946 w = doc_rect->x2 - doc_rect->x1;
947 h = doc_rect->y2 - doc_rect->y1;
948 } else if (view->rotation == 90) {
949 x = width - doc_rect->y2;
951 w = doc_rect->y2 - doc_rect->y1;
952 h = doc_rect->x2 - doc_rect->x1;
953 } else if (view->rotation == 180) {
954 x = width - doc_rect->x2;
955 y = height - doc_rect->y2;
956 w = doc_rect->x2 - doc_rect->x1;
957 h = doc_rect->y2 - doc_rect->y1;
958 } else if (view->rotation == 270) {
960 y = height - doc_rect->x2;
961 w = doc_rect->y2 - doc_rect->y1;
962 h = doc_rect->x2 - doc_rect->x1;
964 g_assert_not_reached ();
967 get_page_extents (view, page, &page_area, &border);
969 view_rect->x = x * view->scale + page_area.x;
970 view_rect->y = y * view->scale + page_area.y;
971 view_rect->width = w * view->scale;
972 view_rect->height = h * view->scale;
976 find_page_at_location (EvView *view,
985 if (view->document == NULL)
992 for (i = view->start_page; i <= view->end_page; i++) {
993 GdkRectangle page_area;
996 if (! get_page_extents (view, i, &page_area, &border))
999 if ((x >= page_area.x + border.left) &&
1000 (x < page_area.x + page_area.width - border.right) &&
1001 (y >= page_area.y + border.top) &&
1002 (y < page_area.y + page_area.height - border.bottom)) {
1004 *x_offset = x - (page_area.x + border.left);
1005 *y_offset = y - (page_area.y + border.top);
1014 location_in_text (EvView *view,
1020 gint x_offset = 0, y_offset = 0;
1022 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1027 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
1030 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1036 ev_view_get_width (EvView *view)
1038 return GTK_WIDGET (view)->allocation.width;
1042 ev_view_get_height (EvView *view)
1044 return GTK_WIDGET (view)->allocation.height;
1048 location_in_selected_text (EvView *view,
1053 gint x_offset = 0, y_offset = 0;
1054 EvViewSelection *selection;
1057 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1058 selection = (EvViewSelection *)l->data;
1060 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1062 if (page != selection->page)
1065 if (selection->covered_region &&
1066 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1074 get_doc_point_from_offset (EvView *view,
1084 ev_page_cache_get_size (view->page_cache, page,
1089 x_offset = x_offset / view->scale;
1090 y_offset = y_offset / view->scale;
1092 if (view->rotation == 0) {
1095 } else if (view->rotation == 90) {
1097 y = width - x_offset;
1098 } else if (view->rotation == 180) {
1099 x = width - x_offset;
1100 y = height - y_offset;
1101 } else if (view->rotation == 270) {
1102 x = height - y_offset;
1105 g_assert_not_reached ();
1116 ev_view_get_link_at_location (EvView *view,
1121 gint x_offset = 0, y_offset = 0;
1122 gint x_new = 0, y_new = 0;
1123 GList *link_mapping;
1125 if (!EV_IS_DOCUMENT_LINKS (view->document))
1128 x += view->scroll_x;
1129 y += view->scroll_y;
1131 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1137 if (get_doc_point_from_offset (view, page, x_offset,
1138 y_offset, &x_new, &y_new) == FALSE)
1141 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1144 return ev_link_mapping_find (link_mapping, x_new, y_new);
1150 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1153 gdouble zoom, left, top;
1154 gboolean change_left, change_top;
1156 left = ev_link_dest_get_left (dest, &change_left);
1157 top = ev_link_dest_get_top (dest, &change_top);
1159 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - left,
1160 ev_link_dest_get_bottom (dest) - top,
1161 ev_view_get_width (view),
1162 ev_view_get_height (view), 0, 0);
1164 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1165 ev_view_set_zoom (view, zoom, FALSE);
1167 doc_point.x = change_left ? left : 0;
1168 doc_point.y = change_top ? top : 0;
1170 view->current_page = ev_link_dest_get_page (dest);
1171 if (change_left || change_top)
1172 view->pending_point = doc_point;
1173 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1175 gtk_widget_queue_resize (GTK_WIDGET (view));
1179 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1182 int doc_width, doc_height, page;
1184 gboolean change_left;
1186 page = ev_link_dest_get_page (dest);
1187 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1189 left = ev_link_dest_get_left (dest, &change_left);
1190 doc_point.x = change_left ? left : 0;
1193 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1194 ev_view_get_width (view),
1195 ev_view_get_height (view), 0);
1197 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1198 ev_view_set_zoom (view, zoom, FALSE);
1200 view->current_page = page;
1202 view->pending_point = doc_point;
1203 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1205 gtk_widget_queue_resize (GTK_WIDGET (view));
1209 goto_fith_dest (EvView *view, EvLinkDest *dest)
1212 int doc_width, doc_height, page;
1214 gboolean change_top;
1216 page = ev_link_dest_get_page (dest);
1217 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1219 top = ev_link_dest_get_top (dest, &change_top);
1222 doc_point.y = change_top ? top : 0;
1224 zoom = zoom_for_size_fit_width (doc_width, top,
1225 ev_view_get_width (view),
1226 ev_view_get_height (view), 0);
1228 ev_view_set_sizing_mode (view, EV_SIZING_FIT_WIDTH);
1229 ev_view_set_zoom (view, zoom, FALSE);
1231 view->current_page = page;
1233 view->pending_point = doc_point;
1234 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1236 gtk_widget_queue_resize (GTK_WIDGET (view));
1240 goto_fit_dest (EvView *view, EvLinkDest *dest)
1243 int doc_width, doc_height;
1246 page = ev_link_dest_get_page (dest);
1247 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1249 zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view),
1250 ev_view_get_height (view), 0, 0);
1252 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
1253 ev_view_set_zoom (view, zoom, FALSE);
1255 view->current_page = page;
1256 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1258 gtk_widget_queue_resize (GTK_WIDGET (view));
1262 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1266 gdouble zoom, left, top;
1267 gboolean change_zoom, change_left, change_top;
1269 zoom = ev_link_dest_get_zoom (dest, &change_zoom);
1270 page = ev_link_dest_get_page (dest);
1272 if (change_zoom && zoom > 1) {
1273 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1274 ev_view_set_zoom (view, zoom, FALSE);
1277 left = ev_link_dest_get_left (dest, &change_left);
1278 top = ev_link_dest_get_top (dest, &change_top);
1280 doc_point.x = change_left ? left : 0;
1281 doc_point.y = change_top ? top : 0;
1283 view->current_page = page;
1284 if (change_left || change_top)
1285 view->pending_point = doc_point;
1286 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1288 gtk_widget_queue_resize (GTK_WIDGET (view));
1292 goto_dest (EvView *view, EvLinkDest *dest)
1294 EvLinkDestType type;
1295 int page, n_pages, current_page;
1297 page = ev_link_dest_get_page (dest);
1298 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1300 if (page < 0 || page >= n_pages)
1303 current_page = view->current_page;
1305 type = ev_link_dest_get_dest_type (dest);
1308 case EV_LINK_DEST_TYPE_PAGE:
1309 ev_page_cache_set_current_page (view->page_cache, page);
1311 case EV_LINK_DEST_TYPE_FIT:
1312 goto_fit_dest (view, dest);
1314 case EV_LINK_DEST_TYPE_FITH:
1315 goto_fith_dest (view, dest);
1317 case EV_LINK_DEST_TYPE_FITV:
1318 goto_fitv_dest (view, dest);
1320 case EV_LINK_DEST_TYPE_FITR:
1321 goto_fitr_dest (view, dest);
1323 case EV_LINK_DEST_TYPE_XYZ:
1324 goto_xyz_dest (view, dest);
1326 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1327 ev_page_cache_set_page_label (view->page_cache, ev_link_dest_get_page_label (dest));
1330 g_assert_not_reached ();
1333 if (current_page != view->current_page)
1334 ev_page_cache_set_current_page (view->page_cache,
1335 view->current_page);
1339 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1341 EvLinkDestType type;
1343 type = ev_link_dest_get_dest_type (dest);
1345 if (type == EV_LINK_DEST_TYPE_NAMED) {
1347 const gchar *named_dest;
1349 named_dest = ev_link_dest_get_named_dest (dest);
1350 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1353 goto_dest (view, dest2);
1354 g_object_unref (dest2);
1360 goto_dest (view, dest);
1364 ev_view_handle_link (EvView *view, EvLink *link)
1366 EvLinkAction *action = NULL;
1367 EvLinkActionType type;
1369 action = ev_link_get_action (link);
1373 type = ev_link_action_get_action_type (action);
1376 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1379 g_signal_emit (view, signals[SIGNAL_HANDLE_LINK], 0, link);
1381 dest = ev_link_action_get_dest (action);
1382 ev_view_goto_dest (view, dest);
1385 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1386 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1387 case EV_LINK_ACTION_TYPE_LAUNCH:
1388 case EV_LINK_ACTION_TYPE_NAMED:
1389 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1395 ev_view_page_label_from_dest (EvView *view, EvLinkDest *dest)
1397 EvLinkDestType type;
1400 type = ev_link_dest_get_dest_type (dest);
1403 case EV_LINK_DEST_TYPE_NAMED: {
1405 const gchar *named_dest;
1407 named_dest = ev_link_dest_get_named_dest (dest);
1408 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1411 msg = ev_page_cache_get_page_label (view->page_cache,
1412 ev_link_dest_get_page (dest2));
1413 g_object_unref (dest2);
1418 case EV_LINK_DEST_TYPE_PAGE_LABEL: {
1419 msg = g_strdup (ev_link_dest_get_page_label (dest));
1423 msg = ev_page_cache_get_page_label (view->page_cache,
1424 ev_link_dest_get_page (dest));
1431 tip_from_action_named (EvLinkAction *action)
1433 const gchar *name = ev_link_action_get_name (action);
1435 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1436 return g_strdup (_("Go to first page"));
1437 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1438 return g_strdup (_("Go to previous page"));
1439 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1440 return g_strdup (_("Go to next page"));
1441 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1442 return g_strdup (_("Go to last page"));
1443 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1444 return g_strdup (_("Go to page"));
1445 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1446 return g_strdup (_("Find"));
1453 tip_from_link (EvView *view, EvLink *link)
1455 EvLinkAction *action;
1456 EvLinkActionType type;
1461 action = ev_link_get_action (link);
1462 title = ev_link_get_title (link);
1465 return title ? g_strdup (title) : NULL;
1467 type = ev_link_action_get_action_type (action);
1470 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1471 page_label = ev_view_page_label_from_dest (view,
1472 ev_link_action_get_dest (action));
1474 msg = g_strdup_printf (_("Go to page %s"), page_label);
1475 g_free (page_label);
1478 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1480 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1481 ev_link_action_get_filename (action));
1483 msg = g_strdup_printf (_("Go to file “%s”"),
1484 ev_link_action_get_filename (action));
1487 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1488 msg = g_strdup (ev_link_action_get_uri (action));
1490 case EV_LINK_ACTION_TYPE_LAUNCH:
1491 msg = g_strdup_printf (_("Launch %s"),
1492 ev_link_action_get_filename (action));
1494 case EV_LINK_ACTION_TYPE_NAMED:
1495 msg = tip_from_action_named (action);
1499 msg = g_strdup (title);
1507 ev_view_handle_cursor_over_xy (EvView *view, gint x, gint y)
1512 if (view->cursor == EV_VIEW_CURSOR_HIDDEN)
1515 if (view->drag_info.in_drag) {
1516 if (view->cursor != EV_VIEW_CURSOR_DRAG)
1517 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1521 if (view->scroll_info.autoscrolling) {
1522 if (view->cursor != EV_VIEW_CURSOR_AUTOSCROLL)
1523 ev_view_set_cursor (view, EV_VIEW_CURSOR_AUTOSCROLL);
1527 link = ev_view_get_link_at_location (view, x, y);
1529 g_object_set (view, "has-tooltip", TRUE, NULL);
1530 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1531 } else if ((field = ev_view_get_form_field_at_location (view, x, y))) {
1532 if (field->is_read_only) {
1533 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1534 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1535 view->cursor == EV_VIEW_CURSOR_DRAG)
1536 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1537 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
1538 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1540 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1542 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1543 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1545 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1546 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1547 view->cursor == EV_VIEW_CURSOR_DRAG ||
1548 view->cursor == EV_VIEW_CURSOR_AUTOSCROLL)
1549 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1555 ev_view_get_image_at_location (EvView *view,
1560 gint x_offset = 0, y_offset = 0;
1561 gint x_new = 0, y_new = 0;
1562 GList *image_mapping;
1564 if (!EV_IS_DOCUMENT_IMAGES (view->document))
1567 x += view->scroll_x;
1568 y += view->scroll_y;
1570 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1575 if (get_doc_point_from_offset (view, page, x_offset,
1576 y_offset, &x_new, &y_new) == FALSE)
1579 image_mapping = ev_pixbuf_cache_get_image_mapping (view->pixbuf_cache, page);
1582 return ev_image_mapping_find (image_mapping, x_new, y_new);
1588 static EvFormField *
1589 ev_view_get_form_field_at_location (EvView *view,
1594 gint x_offset = 0, y_offset = 0;
1595 gint x_new = 0, y_new = 0;
1596 GList *forms_mapping;
1598 if (!EV_IS_DOCUMENT_FORMS (view->document))
1601 x += view->scroll_x;
1602 y += view->scroll_y;
1604 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1609 if (get_doc_point_from_offset (view, page, x_offset,
1610 y_offset, &x_new, &y_new) == FALSE)
1613 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, page);
1616 return ev_form_field_mapping_find (forms_mapping, x_new, y_new);
1622 ev_view_form_field_get_region (EvView *view,
1625 EvRectangle field_area;
1626 GdkRectangle view_area;
1627 GList *forms_mapping;
1629 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
1630 field->page->index);
1631 ev_form_field_mapping_get_area (forms_mapping, field, &field_area);
1632 doc_rect_to_view_rect (view, field->page->index, &field_area, &view_area);
1633 view_area.x -= view->scroll_x;
1634 view_area.y -= view->scroll_y;
1636 return gdk_region_rectangle (&view_area);
1640 ev_view_forms_remove_widgets (EvView *view)
1642 ev_view_remove_all (view);
1648 ev_view_form_field_destroy (GtkWidget *widget,
1651 g_idle_add ((GSourceFunc)ev_view_forms_remove_widgets, view);
1655 ev_view_form_field_button_create_widget (EvView *view,
1658 EvFormFieldButton *field_button = EV_FORM_FIELD_BUTTON (field);
1659 GdkRegion *field_region = NULL;
1661 switch (field_button->type) {
1662 case EV_FORM_FIELD_BUTTON_PUSH:
1664 case EV_FORM_FIELD_BUTTON_CHECK:
1665 case EV_FORM_FIELD_BUTTON_RADIO: {
1667 GList *forms_mapping, *l;
1669 state = ev_document_forms_form_field_button_get_state (EV_DOCUMENT_FORMS (view->document),
1672 /* FIXME: it actually depends on NoToggleToOff flags */
1673 if (field_button->type == EV_FORM_FIELD_BUTTON_RADIO &&
1674 state && field_button->state)
1677 field_region = ev_view_form_field_get_region (view, field);
1679 /* For radio buttons and checkbox buttons that are in a set
1680 * we need to update also the region for the current selected item
1682 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
1683 field->page->index);
1684 for (l = forms_mapping; l; l = g_list_next (l)) {
1685 EvFormField *button = ((EvFormFieldMapping *)(l->data))->field;
1686 GdkRegion *button_region;
1688 if (button->id == field->id)
1691 /* FIXME: only buttons in the same group should be updated */
1692 if (!EV_IS_FORM_FIELD_BUTTON (button) ||
1693 EV_FORM_FIELD_BUTTON (button)->type != field_button->type ||
1694 EV_FORM_FIELD_BUTTON (button)->state != TRUE)
1697 button_region = ev_view_form_field_get_region (view, button);
1698 gdk_region_union (field_region, button_region);
1699 gdk_region_destroy (button_region);
1702 ev_document_forms_form_field_button_set_state (EV_DOCUMENT_FORMS (view->document),
1704 field_button->state = !state;
1709 ev_view_reload_page (view, field->page->index, field_region);
1710 gdk_region_destroy (field_region);
1716 ev_view_form_field_text_save (EvView *view,
1721 if (!view->document)
1724 field = g_object_get_data (G_OBJECT (widget), "form-field");
1726 if (field->changed) {
1727 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1728 GdkRegion *field_region;
1730 field_region = ev_view_form_field_get_region (view, field);
1732 ev_document_forms_form_field_text_set_text (EV_DOCUMENT_FORMS (view->document),
1733 field, field_text->text);
1734 field->changed = FALSE;
1735 ev_view_reload_page (view, field->page->index, field_region);
1736 gdk_region_destroy (field_region);
1741 ev_view_form_field_text_changed (GtkWidget *widget,
1744 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1747 if (GTK_IS_ENTRY (widget)) {
1748 text = g_strdup (gtk_entry_get_text (GTK_ENTRY (widget)));
1749 } else if (GTK_IS_TEXT_BUFFER (widget)) {
1750 GtkTextIter start, end;
1752 gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (widget), &start, &end);
1753 text = gtk_text_buffer_get_text (GTK_TEXT_BUFFER (widget),
1754 &start, &end, FALSE);
1757 if (!field_text->text ||
1758 (field_text->text && g_ascii_strcasecmp (field_text->text, text) != 0)) {
1759 g_free (field_text->text);
1760 field_text->text = text;
1761 field->changed = TRUE;
1766 ev_view_form_field_text_create_widget (EvView *view,
1769 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1770 GtkWidget *text = NULL;
1773 txt = ev_document_forms_form_field_text_get_text (EV_DOCUMENT_FORMS (view->document),
1776 switch (field_text->type) {
1777 case EV_FORM_FIELD_TEXT_FILE_SELECT:
1779 case EV_FORM_FIELD_TEXT_NORMAL:
1780 text = gtk_entry_new ();
1781 gtk_entry_set_has_frame (GTK_ENTRY (text), FALSE);
1782 gtk_entry_set_max_length (GTK_ENTRY (text), field_text->max_len);
1783 gtk_entry_set_visibility (GTK_ENTRY (text), !field_text->is_password);
1786 gtk_entry_set_text (GTK_ENTRY (text), txt);
1790 g_signal_connect (G_OBJECT (text), "changed",
1791 G_CALLBACK (ev_view_form_field_text_changed),
1793 g_signal_connect_after (G_OBJECT (text), "activate",
1794 G_CALLBACK (ev_view_form_field_destroy),
1797 case EV_FORM_FIELD_TEXT_MULTILINE: {
1798 GtkTextBuffer *buffer;
1800 text = gtk_text_view_new ();
1801 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text));
1804 gtk_text_buffer_set_text (buffer, txt, -1);
1808 g_signal_connect (G_OBJECT (buffer), "changed",
1809 G_CALLBACK (ev_view_form_field_text_changed),
1815 g_object_weak_ref (G_OBJECT (text),
1816 (GWeakNotify)ev_view_form_field_text_save,
1823 ev_view_form_field_choice_save (EvView *view,
1828 if (!view->document)
1831 field = g_object_get_data (G_OBJECT (widget), "form-field");
1833 if (field->changed) {
1835 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
1836 GdkRegion *field_region;
1838 field_region = ev_view_form_field_get_region (view, field);
1840 if (field_choice->is_editable) {
1841 ev_document_forms_form_field_choice_set_text (EV_DOCUMENT_FORMS (view->document),
1842 field, field_choice->text);
1844 ev_document_forms_form_field_choice_unselect_all (EV_DOCUMENT_FORMS (view->document), field);
1845 for (l = field_choice->selected_items; l; l = g_list_next (l)) {
1846 ev_document_forms_form_field_choice_select_item (EV_DOCUMENT_FORMS (view->document),
1848 GPOINTER_TO_INT (l->data));
1851 field->changed = FALSE;
1852 ev_view_reload_page (view, field->page->index, field_region);
1853 gdk_region_destroy (field_region);
1858 ev_view_form_field_choice_changed (GtkWidget *widget,
1861 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
1863 if (GTK_IS_COMBO_BOX (widget)) {
1866 item = gtk_combo_box_get_active (GTK_COMBO_BOX (widget));
1867 if (!field_choice->selected_items ||
1868 GPOINTER_TO_INT (field_choice->selected_items->data) != item) {
1869 g_list_free (field_choice->selected_items);
1870 field_choice->selected_items = NULL;
1871 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1872 GINT_TO_POINTER (item));
1873 field->changed = TRUE;
1876 if (GTK_IS_COMBO_BOX_ENTRY (widget)) {
1879 text = gtk_combo_box_get_active_text (GTK_COMBO_BOX (widget));
1880 if (!field_choice->text ||
1881 (field_choice->text && g_ascii_strcasecmp (field_choice->text, text) != 0)) {
1882 g_free (field_choice->text);
1883 field_choice->text = text;
1884 field->changed = TRUE;
1887 } else if (GTK_IS_TREE_SELECTION (widget)) {
1888 GtkTreeSelection *selection = GTK_TREE_SELECTION (widget);
1889 GtkTreeModel *model;
1892 items = gtk_tree_selection_get_selected_rows (selection, &model);
1893 g_list_free (field_choice->selected_items);
1894 field_choice->selected_items = NULL;
1896 for (l = items; l && l->data; l = g_list_next (l)) {
1898 GtkTreePath *path = (GtkTreePath *)l->data;
1901 gtk_tree_model_get_iter (model, &iter, path);
1902 gtk_tree_model_get (model, &iter, 1, &item, -1);
1904 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1905 GINT_TO_POINTER (item));
1907 gtk_tree_path_free (path);
1910 g_list_free (items);
1912 field->changed = TRUE;
1917 ev_view_form_field_choice_create_widget (EvView *view,
1920 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
1922 GtkTreeModel *model;
1924 gint selected_item = 0;
1926 n_items = ev_document_forms_form_field_choice_get_n_items (EV_DOCUMENT_FORMS (view->document),
1928 model = GTK_TREE_MODEL (gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT));
1929 for (i = 0; i < n_items; i++) {
1933 item = ev_document_forms_form_field_choice_get_item (EV_DOCUMENT_FORMS (view->document),
1935 if (ev_document_forms_form_field_choice_is_item_selected (
1936 EV_DOCUMENT_FORMS (view->document), field, i)) {
1938 /* FIXME: we need a get_selected_items function in poppler */
1939 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1940 GINT_TO_POINTER (i));
1944 gtk_list_store_append (GTK_LIST_STORE (model), &iter);
1945 gtk_list_store_set (GTK_LIST_STORE (model), &iter,
1953 if (field_choice->type == EV_FORM_FIELD_CHOICE_LIST) {
1954 GtkCellRenderer *renderer;
1955 GtkWidget *tree_view;
1956 GtkTreeSelection *selection;
1958 tree_view = gtk_tree_view_new_with_model (model);
1959 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);
1961 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
1962 if (field_choice->multi_select) {
1963 gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
1966 /* TODO: set selected items */
1968 renderer = gtk_cell_renderer_text_new ();
1969 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
1975 choice = gtk_scrolled_window_new (NULL, NULL);
1976 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (choice),
1977 GTK_POLICY_AUTOMATIC,
1978 GTK_POLICY_AUTOMATIC);
1979 gtk_container_add (GTK_CONTAINER (choice), tree_view);
1980 gtk_widget_show (tree_view);
1982 g_signal_connect (G_OBJECT (selection), "changed",
1983 G_CALLBACK (ev_view_form_field_choice_changed),
1985 g_signal_connect_after (G_OBJECT (selection), "changed",
1986 G_CALLBACK (ev_view_form_field_destroy),
1988 } else if (field_choice->is_editable) { /* ComboBoxEntry */
1991 choice = gtk_combo_box_entry_new_with_model (model, 0);
1992 text = ev_document_forms_form_field_choice_get_text (EV_DOCUMENT_FORMS (view->document), field);
1994 gtk_entry_set_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (choice))), text);
1998 g_signal_connect (G_OBJECT (choice), "changed",
1999 G_CALLBACK (ev_view_form_field_choice_changed),
2001 g_signal_connect_after (G_OBJECT (GTK_BIN (choice)->child), "activate",
2002 G_CALLBACK (ev_view_form_field_destroy),
2004 } else { /* ComboBoxText */
2005 GtkCellRenderer *renderer;
2007 choice = gtk_combo_box_new_with_model (model);
2008 renderer = gtk_cell_renderer_text_new ();
2009 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (choice),
2011 gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (choice),
2015 gtk_combo_box_set_active (GTK_COMBO_BOX (choice), selected_item);
2016 gtk_combo_box_popup (GTK_COMBO_BOX (choice));
2018 g_signal_connect (G_OBJECT (choice), "changed",
2019 G_CALLBACK (ev_view_form_field_choice_changed),
2021 g_signal_connect_after (G_OBJECT (choice), "changed",
2022 G_CALLBACK (ev_view_form_field_destroy),
2026 g_object_unref (model);
2028 g_object_weak_ref (G_OBJECT (choice),
2029 (GWeakNotify)ev_view_form_field_choice_save,
2036 ev_view_handle_form_field (EvView *view,
2041 GtkWidget *field_widget = NULL;
2042 GList *form_field_mapping;
2043 EvRectangle field_area;
2044 GdkRectangle view_area;
2046 if (field->is_read_only)
2049 if (EV_IS_FORM_FIELD_BUTTON (field)) {
2050 field_widget = ev_view_form_field_button_create_widget (view, field);
2051 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
2052 field_widget = ev_view_form_field_text_create_widget (view, field);
2053 } else if (EV_IS_FORM_FIELD_CHOICE (field)) {
2054 field_widget = ev_view_form_field_choice_create_widget (view, field);
2055 } else if (EV_IS_FORM_FIELD_SIGNATURE (field)) {
2059 /* Form field doesn't require a widget */
2063 g_object_set_data_full (G_OBJECT (field_widget), "form-field",
2064 g_object_ref (field),
2065 (GDestroyNotify)g_object_unref);
2067 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, field->page->index);
2068 ev_form_field_mapping_get_area (form_field_mapping, field, &field_area);
2070 doc_rect_to_view_rect (view, field->page->index, &field_area, &view_area);
2071 view_area.x -= view->scroll_x;
2072 view_area.y -= view->scroll_y;
2074 gtk_layout_put (GTK_LAYOUT (view), field_widget, view_area.x, view_area.y);
2075 gtk_widget_show (field_widget);
2076 gtk_widget_grab_focus (field_widget);
2079 /*** GtkWidget implementation ***/
2082 ev_view_size_request_continuous_dual_page (EvView *view,
2083 GtkRequisition *requisition)
2089 ev_page_cache_get_max_width (view->page_cache, view->rotation,
2090 view->scale, &max_width);
2091 compute_border (view, max_width, max_width, &border);
2093 n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1;
2095 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
2096 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
2098 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2099 requisition->width = 1;
2100 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2101 requisition->width = 1;
2102 /* FIXME: This could actually be set on one page docs or docs
2103 * with a strange aspect ratio. */
2104 /* requisition->height = 1;*/
2109 ev_view_size_request_continuous (EvView *view,
2110 GtkRequisition *requisition)
2117 ev_page_cache_get_max_width (view->page_cache, view->rotation,
2118 view->scale, &max_width);
2119 n_pages = ev_page_cache_get_n_pages (view->page_cache);
2120 compute_border (view, max_width, max_width, &border);
2122 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
2123 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
2125 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2126 requisition->width = 1;
2127 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2128 requisition->width = 1;
2129 /* FIXME: This could actually be set on one page docs or docs
2130 * with a strange aspect ratio. */
2131 /* requisition->height = 1;*/
2136 ev_view_size_request_dual_page (EvView *view,
2137 GtkRequisition *requisition)
2142 /* Find the largest of the two. */
2143 ev_page_cache_get_size (view->page_cache,
2148 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) {
2149 gint width_2, height_2;
2150 ev_page_cache_get_size (view->page_cache,
2151 view->current_page + 1,
2154 &width_2, &height_2);
2155 if (width_2 > width) {
2160 compute_border (view, width, height, &border);
2162 requisition->width = ((width + border.left + border.right) * 2) +
2163 (view->spacing * 3);
2164 requisition->height = (height + border.top + border.bottom) +
2165 (view->spacing * 2);
2167 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2168 requisition->width = 1;
2169 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2170 requisition->width = 1;
2171 requisition->height = 1;
2176 ev_view_size_request_single_page (EvView *view,
2177 GtkRequisition *requisition)
2182 ev_page_cache_get_size (view->page_cache,
2187 compute_border (view, width, height, &border);
2189 requisition->width = width + border.left + border.right + (2 * view->spacing);
2190 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2192 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2193 requisition->width = 1;
2194 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2195 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2196 requisition->width = 1;
2197 requisition->height = 1;
2202 ev_view_size_request (GtkWidget *widget,
2203 GtkRequisition *requisition)
2205 EvView *view = EV_VIEW (widget);
2207 if (view->document == NULL) {
2208 requisition->width = 1;
2209 requisition->height = 1;
2213 if (view->presentation) {
2214 requisition->width = 1;
2215 requisition->height = 1;
2219 if (view->continuous && view->dual_page)
2220 ev_view_size_request_continuous_dual_page (view, requisition);
2221 else if (view->continuous)
2222 ev_view_size_request_continuous (view, requisition);
2223 else if (view->dual_page)
2224 ev_view_size_request_dual_page (view, requisition);
2226 ev_view_size_request_single_page (view, requisition);
2230 ev_view_size_allocate (GtkWidget *widget,
2231 GtkAllocation *allocation)
2233 EvView *view = EV_VIEW (widget);
2234 GList *children, *l;
2236 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
2238 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2239 view->sizing_mode == EV_SIZING_BEST_FIT) {
2241 g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0);
2243 ev_view_size_request (widget, &widget->requisition);
2246 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
2247 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
2250 view_update_range_and_current_page (view);
2252 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2253 view->pending_resize = FALSE;
2255 children = gtk_container_get_children (GTK_CONTAINER (widget));
2256 for (l = children; l && l->data; l = g_list_next (l)) {
2258 EvRectangle field_area;
2259 GdkRectangle view_area;
2260 GList *form_field_mapping;
2261 GtkAllocation child_allocation;
2262 GtkRequisition child_requisition;
2263 GtkWidget *child = (GtkWidget *)l->data;
2265 field = g_object_get_data (G_OBJECT (child), "form-field");
2269 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
2270 field->page->index);
2271 ev_form_field_mapping_get_area (form_field_mapping, field, &field_area);
2273 doc_rect_to_view_rect (view, field->page->index, &field_area, &view_area);
2274 view_area.x -= view->scroll_x;
2275 view_area.y -= view->scroll_y;
2277 gtk_widget_size_request (child, &child_requisition);
2278 if (child_requisition.width != view_area.width ||
2279 child_requisition.height != view_area.height)
2280 gtk_widget_set_size_request (child, view_area.width, view_area.height);
2282 gtk_container_child_get (GTK_CONTAINER (widget),
2284 "x", &child_allocation.x,
2285 "y", &child_allocation.y,
2287 if (child_allocation.x != view_area.x ||
2288 child_allocation.y != view_area.y) {
2289 gtk_layout_move (GTK_LAYOUT (widget), child, view_area.x, view_area.y);
2292 g_list_free (children);
2296 ev_view_realize (GtkWidget *widget)
2298 EvView *view = EV_VIEW (widget);
2300 if (GTK_WIDGET_CLASS (ev_view_parent_class)->realize)
2301 (* GTK_WIDGET_CLASS (ev_view_parent_class)->realize) (widget);
2303 gdk_window_set_events (view->layout.bin_window,
2304 (gdk_window_get_events (view->layout.bin_window) |
2306 GDK_BUTTON_PRESS_MASK |
2307 GDK_BUTTON_RELEASE_MASK |
2309 GDK_KEY_PRESS_MASK |
2310 GDK_POINTER_MOTION_MASK |
2311 GDK_POINTER_MOTION_HINT_MASK |
2312 GDK_ENTER_NOTIFY_MASK |
2313 GDK_LEAVE_NOTIFY_MASK));
2315 if (view->presentation)
2316 gdk_window_set_background (view->layout.bin_window, &widget->style->black);
2318 gdk_window_set_background (view->layout.bin_window, &widget->style->mid [GTK_STATE_NORMAL]);
2322 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
2324 EvView *view = EV_VIEW (widget);
2327 state = event->state & gtk_accelerator_get_default_mod_mask ();
2329 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
2330 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
2332 if (event->direction == GDK_SCROLL_UP ||
2333 event->direction == GDK_SCROLL_LEFT) {
2334 if (ev_view_can_zoom_in (view)) {
2335 ev_view_zoom_in (view);
2338 if (ev_view_can_zoom_out (view)) {
2339 ev_view_zoom_out (view);
2346 view->jump_to_find_result = FALSE;
2348 /* Shift+Wheel scrolls the in the perpendicular direction */
2349 if (state & GDK_SHIFT_MASK) {
2350 if (event->direction == GDK_SCROLL_UP)
2351 event->direction = GDK_SCROLL_LEFT;
2352 else if (event->direction == GDK_SCROLL_LEFT)
2353 event->direction = GDK_SCROLL_UP;
2354 else if (event->direction == GDK_SCROLL_DOWN)
2355 event->direction = GDK_SCROLL_RIGHT;
2356 else if (event->direction == GDK_SCROLL_RIGHT)
2357 event->direction = GDK_SCROLL_DOWN;
2359 event->state &= ~GDK_SHIFT_MASK;
2360 state &= ~GDK_SHIFT_MASK;
2363 if (state == 0 && view->presentation) {
2364 switch (event->direction) {
2365 case GDK_SCROLL_DOWN:
2366 case GDK_SCROLL_RIGHT:
2367 ev_view_next_page (view);
2370 case GDK_SCROLL_LEFT:
2371 ev_view_previous_page (view);
2381 static EvViewSelection *
2382 find_selection_for_page (EvView *view,
2387 for (list = view->selection_info.selections; list != NULL; list = list->next) {
2388 EvViewSelection *selection;
2390 selection = (EvViewSelection *) list->data;
2392 if (selection->page == page)
2400 draw_end_presentation_page (EvView *view,
2401 GdkRectangle *page_area)
2403 PangoLayout *layout;
2404 PangoFontDescription *font_desc;
2406 const gchar *text = _("End of presentation. Press Escape to exit.");
2408 if (view->presentation_state != EV_PRESENTATION_END)
2411 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), NULL);
2412 markup = g_strdup_printf ("<span foreground=\"white\">%s</span>", text);
2413 pango_layout_set_markup (layout, markup, -1);
2416 font_desc = pango_font_description_new ();
2417 pango_font_description_set_size (font_desc, 16 * PANGO_SCALE);
2418 pango_layout_set_font_description (layout, font_desc);
2420 gtk_paint_layout (GTK_WIDGET (view)->style,
2421 view->layout.bin_window,
2422 GTK_WIDGET_STATE (view),
2431 pango_font_description_free (font_desc);
2432 g_object_unref (layout);
2436 ev_view_expose_event (GtkWidget *widget,
2437 GdkEventExpose *event)
2439 EvView *view = EV_VIEW (widget);
2443 if (view->animation && ev_transition_animation_ready (view->animation)) {
2444 GdkRectangle page_area;
2447 if (get_page_extents (view, view->current_page, &page_area, &border)) {
2448 cr = gdk_cairo_create (view->layout.bin_window);
2450 /* normalize to x=0, y=0 */
2451 cairo_translate (cr, page_area.x, page_area.y);
2452 page_area.x = page_area.y = 0;
2454 ev_transition_animation_paint (view->animation, cr, page_area);
2461 if (view->presentation) {
2462 switch (view->presentation_state) {
2463 case EV_PRESENTATION_END: {
2464 GdkRectangle area = {0};
2466 area.width = widget->allocation.width;
2467 area.height = widget->allocation.height;
2469 draw_end_presentation_page (view, &area);
2472 case EV_PRESENTATION_BLACK:
2473 case EV_PRESENTATION_WHITE:
2475 case EV_PRESENTATION_NORMAL:
2479 } else if (view->loading) {
2480 GdkRectangle area = {0};
2482 area.width = widget->allocation.width;
2483 area.height = widget->allocation.height;
2485 draw_loading_text (view,
2490 if (view->document == NULL)
2493 cr = gdk_cairo_create (view->layout.bin_window);
2495 for (i = view->start_page; i <= view->end_page; i++) {
2496 GdkRectangle page_area;
2498 gboolean page_ready = TRUE;
2500 if (!get_page_extents (view, i, &page_area, &border))
2503 page_area.x -= view->scroll_x;
2504 page_area.y -= view->scroll_y;
2506 draw_one_page (view, i, cr, &page_area, &border, &(event->area), &page_ready);
2508 if (page_ready && view->find_pages && view->highlight_find_results)
2509 highlight_find_results (view, i);
2514 if (GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event)
2515 (* GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) (widget, event);
2521 ev_view_do_popup_menu (EvView *view,
2528 image = ev_view_get_image_at_location (view, x, y);
2530 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, image);
2534 link = ev_view_get_link_at_location (view, x, y);
2536 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
2540 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, NULL);
2546 ev_view_popup_menu (GtkWidget *widget)
2550 gtk_widget_get_pointer (widget, &x, &y);
2551 return ev_view_do_popup_menu (EV_VIEW (widget), x, y);
2555 get_link_area (EvView *view,
2561 EvRectangle ev_rect;
2562 GList *link_mapping;
2564 gint x_offset = 0, y_offset = 0;
2566 x += view->scroll_x;
2567 y += view->scroll_y;
2569 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
2571 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
2572 ev_link_mapping_get_area (link_mapping, link, &ev_rect);
2574 doc_rect_to_view_rect (view, page, &ev_rect, area);
2575 area->y -= view->scroll_y ;
2579 ev_view_query_tooltip (GtkWidget *widget,
2582 gboolean keyboard_tip,
2583 GtkTooltip *tooltip)
2585 EvView *view = EV_VIEW (widget);
2589 link = ev_view_get_link_at_location (view, x, y);
2593 text = tip_from_link (view, link);
2594 if (text && g_utf8_validate (text, -1, NULL)) {
2595 GdkRectangle link_area;
2597 get_link_area (view, x, y, link, &link_area);
2598 gtk_tooltip_set_text (tooltip, text);
2599 gtk_tooltip_set_tip_area (tooltip, &link_area);
2607 start_selection_for_event (EvView *view,
2608 GdkEventButton *event)
2610 EvSelectionStyle style;
2612 clear_selection (view);
2614 view->selection_info.start.x = event->x + view->scroll_x;
2615 view->selection_info.start.y = event->y + view->scroll_y;
2617 switch (event->type) {
2618 case GDK_2BUTTON_PRESS:
2619 style = EV_SELECTION_STYLE_WORD;
2621 case GDK_3BUTTON_PRESS:
2622 style = EV_SELECTION_STYLE_LINE;
2625 style = EV_SELECTION_STYLE_GLYPH;
2629 view->selection_info.style = style;
2633 ev_view_button_press_event (GtkWidget *widget,
2634 GdkEventButton *event)
2636 EvView *view = EV_VIEW (widget);
2638 if (!view->document)
2641 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
2642 gtk_widget_grab_focus (widget);
2645 view->pressed_button = event->button;
2646 view->selection_info.in_drag = FALSE;
2648 if (view->scroll_info.autoscrolling)
2651 switch (event->button) {
2656 if (EV_IS_SELECTION (view->document) && view->selection_info.selections) {
2657 if (event->type == GDK_3BUTTON_PRESS) {
2658 start_selection_for_event (view, event);
2659 } else if (location_in_selected_text (view,
2660 event->x + view->scroll_x,
2661 event->y + view->scroll_y)) {
2662 view->selection_info.in_drag = TRUE;
2664 start_selection_for_event (view, event);
2667 gtk_widget_queue_draw (widget);
2668 } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) {
2669 ev_view_remove_all (view);
2670 ev_view_handle_form_field (view, field, event->x, event->y);
2671 } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) &&
2672 (image = ev_view_get_image_at_location (view, event->x, event->y))) {
2673 if (view->image_dnd_info.image)
2674 g_object_unref (view->image_dnd_info.image);
2675 view->image_dnd_info.image = g_object_ref (image);
2676 view->image_dnd_info.in_drag = TRUE;
2678 view->image_dnd_info.start.x = event->x + view->scroll_x;
2679 view->image_dnd_info.start.y = event->y + view->scroll_y;
2681 ev_view_remove_all (view);
2683 if (EV_IS_SELECTION (view->document))
2684 start_selection_for_event (view, event);
2689 /* use root coordinates as reference point because
2690 * scrolling changes window relative coordinates */
2691 view->drag_info.start.x = event->x_root;
2692 view->drag_info.start.y = event->y_root;
2693 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
2694 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
2696 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
2700 view->scroll_info.start_y = event->y;
2701 return ev_view_do_popup_menu (view, event->x, event->y);
2708 ev_view_remove_all (EvView *view)
2710 GList *children, *child;
2712 children = gtk_container_get_children (GTK_CONTAINER (view));
2713 for (child = children; child && child->data; child = g_list_next (child)) {
2714 gtk_container_remove (GTK_CONTAINER (view),
2715 GTK_WIDGET (child->data));
2717 g_list_free (children);
2720 /*** Drag and Drop ***/
2722 ev_view_drag_data_get (GtkWidget *widget,
2723 GdkDragContext *context,
2724 GtkSelectionData *selection_data,
2728 EvView *view = EV_VIEW (widget);
2731 case TARGET_DND_TEXT:
2732 if (EV_IS_SELECTION (view->document) &&
2733 view->selection_info.selections) {
2736 text = get_selected_text (view);
2737 gtk_selection_data_set_text (selection_data,
2743 case TARGET_DND_IMAGE:
2744 if (view->image_dnd_info.image) {
2747 ev_document_doc_mutex_lock ();
2748 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
2749 view->image_dnd_info.image);
2750 ev_document_doc_mutex_unlock ();
2752 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
2753 g_object_unref (pixbuf);
2756 case TARGET_DND_URI:
2757 if (view->image_dnd_info.image) {
2759 const gchar *tmp_uri;
2762 ev_document_doc_mutex_lock ();
2763 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
2764 view->image_dnd_info.image);
2765 ev_document_doc_mutex_unlock ();
2767 tmp_uri = ev_image_save_tmp (view->image_dnd_info.image, pixbuf);
2768 g_object_unref (pixbuf);
2770 uris = g_new0 (gchar *, 2);
2771 uris[0] = (gchar *)tmp_uri;
2773 gtk_selection_data_set_uris (selection_data, uris);
2775 /* g_free instead of g_strfreev since tmp_uri is const */
2782 ev_view_drag_motion (GtkWidget *widget,
2783 GdkDragContext *context,
2788 if (gtk_drag_get_source_widget (context) == widget)
2789 gdk_drag_status (context, 0, time);
2791 gdk_drag_status (context, context->suggested_action, time);
2797 ev_view_drag_data_received (GtkWidget *widget,
2798 GdkDragContext *context,
2801 GtkSelectionData *selection_data,
2807 GSList *uri_list = NULL;
2809 uris = gtk_selection_data_get_uris (selection_data);
2811 gtk_drag_finish (context, FALSE, FALSE, time);
2815 for (i = 0; uris[i]; i++) {
2816 uri_list = g_slist_prepend (uri_list, (gpointer) uris[i]);
2819 ev_application_open_uri_list (EV_APP, uri_list,
2820 gtk_widget_get_screen (widget),
2822 gtk_drag_finish (context, TRUE, FALSE, time);
2825 g_slist_free (uri_list);
2830 selection_update_idle_cb (EvView *view)
2832 compute_selections (view,
2833 view->selection_info.style,
2834 &view->selection_info.start,
2836 view->selection_update_id = 0;
2841 selection_scroll_timeout_cb (EvView *view)
2843 gint x, y, shift = 0;
2844 GtkWidget *widget = GTK_WIDGET (view);
2846 gtk_widget_get_pointer (widget, &x, &y);
2848 if (y > widget->allocation.height) {
2849 shift = (y - widget->allocation.height) / 2;
2855 gtk_adjustment_set_value (view->vadjustment,
2856 CLAMP (view->vadjustment->value + shift,
2857 view->vadjustment->lower,
2858 view->vadjustment->upper -
2859 view->vadjustment->page_size));
2861 if (x > widget->allocation.width) {
2862 shift = (x - widget->allocation.width) / 2;
2868 gtk_adjustment_set_value (view->hadjustment,
2869 CLAMP (view->hadjustment->value + shift,
2870 view->hadjustment->lower,
2871 view->hadjustment->upper -
2872 view->hadjustment->page_size));
2878 ev_view_drag_update_momentum (EvView *view)
2881 if (!view->drag_info.in_drag)
2884 for (i = DRAG_HISTORY - 1; i > 0; i--) {
2885 view->drag_info.buffer[i].x = view->drag_info.buffer[i-1].x;
2886 view->drag_info.buffer[i].y = view->drag_info.buffer[i-1].y;
2889 /* Momentum is a moving average of 10ms granularity over
2890 * the last 100ms with each 10ms stored in buffer.
2893 view->drag_info.momentum.x = (view->drag_info.buffer[DRAG_HISTORY - 1].x - view->drag_info.buffer[0].x);
2894 view->drag_info.momentum.y = (view->drag_info.buffer[DRAG_HISTORY - 1].y - view->drag_info.buffer[0].y);
2900 ev_view_scroll_drag_release (EvView *view)
2902 gdouble dhadj_value, dvadj_value;
2903 gdouble oldhadjustment, oldvadjustment;
2905 view->drag_info.momentum.x /= 1.2;
2906 view->drag_info.momentum.y /= 1.2; /* Alter these constants to change "friction" */
2908 dhadj_value = view->hadjustment->page_size *
2909 (gdouble)view->drag_info.momentum.x / GTK_WIDGET (view)->allocation.width;
2910 dvadj_value = view->vadjustment->page_size *
2911 (gdouble)view->drag_info.momentum.y / GTK_WIDGET (view)->allocation.height;
2913 oldhadjustment = gtk_adjustment_get_value (view->hadjustment);
2914 oldvadjustment = gtk_adjustment_get_value (view->vadjustment);
2916 if (((oldhadjustment + dhadj_value) > (view->hadjustment->upper - view->hadjustment->page_size)) ||
2917 ((oldhadjustment + dhadj_value) < 0))
2918 view->drag_info.momentum.x *= -0.5; /* 0.5 rather than 1 means the edges absorb some momentum */
2919 if (((oldvadjustment + dvadj_value) > (view->vadjustment->upper - view->vadjustment->page_size)) ||
2920 ((oldvadjustment + dvadj_value) < 0))
2921 view->drag_info.momentum.y *= -0.5;
2923 gtk_adjustment_set_value (view->hadjustment,
2924 MIN (oldhadjustment + dhadj_value,
2925 view->hadjustment->upper - view->hadjustment->page_size));
2926 gtk_adjustment_set_value (view->vadjustment,
2927 MIN (oldvadjustment + dvadj_value,
2928 view->vadjustment->upper - view->vadjustment->page_size));
2930 if (((view->drag_info.momentum.x < 1) && (view->drag_info.momentum.x > -1)) &&
2931 ((view->drag_info.momentum.y < 1) && (view->drag_info.momentum.y > -1)))
2938 ev_view_motion_notify_event (GtkWidget *widget,
2939 GdkEventMotion *event)
2941 EvView *view = EV_VIEW (widget);
2944 if (!view->document)
2948 if (event->is_hint || event->window != view->layout.bin_window) {
2949 gtk_widget_get_pointer (widget, &x, &y);
2955 if (view->scroll_info.autoscrolling) {
2956 view->scroll_info.last_y = y;
2960 if (view->selection_info.in_drag) {
2961 if (gtk_drag_check_threshold (widget,
2962 view->selection_info.start.x,
2963 view->selection_info.start.y,
2965 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
2967 gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT);
2969 gtk_drag_begin (widget, target_list,
2971 1, (GdkEvent *)event);
2973 view->selection_info.in_drag = FALSE;
2975 gtk_target_list_unref (target_list);
2979 } else if (view->image_dnd_info.in_drag) {
2980 if (gtk_drag_check_threshold (widget,
2981 view->selection_info.start.x,
2982 view->selection_info.start.y,
2984 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
2986 gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI);
2987 gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE);
2989 gtk_drag_begin (widget, target_list,
2991 1, (GdkEvent *)event);
2993 view->image_dnd_info.in_drag = FALSE;
2995 gtk_target_list_unref (target_list);
3001 switch (view->pressed_button) {
3003 /* For the Evince 0.4.x release, we limit selection to un-rotated
3006 if (view->rotation != 0)
3009 /* Schedule timeout to scroll during selection and additionally
3010 * scroll once to allow arbitrary speed. */
3011 if (!view->selection_scroll_id)
3012 view->selection_scroll_id = g_timeout_add (SCROLL_TIME,
3013 (GSourceFunc)selection_scroll_timeout_cb,
3016 selection_scroll_timeout_cb (view);
3018 view->selection_info.in_selection = TRUE;
3019 view->motion.x = x + view->scroll_x;
3020 view->motion.y = y + view->scroll_y;
3022 /* Queue an idle to handle the motion. We do this because
3023 * handling any selection events in the motion could be slower
3024 * than new motion events reach us. We always put it in the
3025 * idle to make sure we catch up and don't visibly lag the
3027 if (!view->selection_update_id)
3028 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
3032 if (!view->drag_info.in_drag) {
3036 start = gtk_drag_check_threshold (widget,
3037 view->drag_info.start.x,
3038 view->drag_info.start.y,
3041 view->drag_info.in_drag = start;
3042 view->drag_info.drag_timeout_id = g_timeout_add (10,
3043 (GSourceFunc)ev_view_drag_update_momentum, view);
3044 /* Set 100 to choose how long it takes to build up momentum */
3045 /* Clear out previous momentum info: */
3046 for (i = 0; i < DRAG_HISTORY; i++) {
3047 view->drag_info.buffer[i].x = event->x;
3048 view->drag_info.buffer[i].y = event->y;
3050 view->drag_info.momentum.x = 0;
3051 view->drag_info.momentum.y = 0;
3054 if (view->drag_info.in_drag) {
3056 gdouble dhadj_value, dvadj_value;
3058 view->drag_info.buffer[0].x = event->x;
3059 view->drag_info.buffer[0].y = event->y;
3061 dx = event->x_root - view->drag_info.start.x;
3062 dy = event->y_root - view->drag_info.start.y;
3064 dhadj_value = view->hadjustment->page_size *
3065 (gdouble)dx / widget->allocation.width;
3066 dvadj_value = view->vadjustment->page_size *
3067 (gdouble)dy / widget->allocation.height;
3069 /* clamp scrolling to visible area */
3070 gtk_adjustment_set_value (view->hadjustment,
3071 MIN(view->drag_info.hadj - dhadj_value,
3072 view->hadjustment->upper -
3073 view->hadjustment->page_size));
3074 gtk_adjustment_set_value (view->vadjustment,
3075 MIN(view->drag_info.vadj - dvadj_value,
3076 view->vadjustment->upper -
3077 view->vadjustment->page_size));
3084 ev_view_handle_cursor_over_xy (view, x, y);
3091 ev_view_button_release_event (GtkWidget *widget,
3092 GdkEventButton *event)
3094 EvView *view = EV_VIEW (widget);
3095 EvLink *link = NULL;
3097 view->image_dnd_info.in_drag = FALSE;
3099 if (view->scroll_info.autoscrolling) {
3100 ev_view_autoscroll_stop (view);
3101 view->pressed_button = -1;
3106 if (view->drag_info.in_drag) {
3107 view->drag_info.release_timeout_id =
3109 (GSourceFunc)ev_view_scroll_drag_release, view);
3112 if (view->document && !view->drag_info.in_drag && view->pressed_button != 3) {
3113 link = ev_view_get_link_at_location (view, event->x, event->y);
3116 view->drag_info.in_drag = FALSE;
3118 if (view->pressed_button == 2) {
3119 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3122 view->pressed_button = -1;
3124 if (view->selection_scroll_id) {
3125 g_source_remove (view->selection_scroll_id);
3126 view->selection_scroll_id = 0;
3128 if (view->selection_update_id) {
3129 g_source_remove (view->selection_update_id);
3130 view->selection_update_id = 0;
3133 if (!view->selection_info.in_selection &&
3134 view->selection_info.style != EV_SELECTION_STYLE_GLYPH) {
3135 compute_selections (view,
3136 view->selection_info.style,
3137 &(view->selection_info.start),
3138 &(view->selection_info.start));
3141 if (view->selection_info.selections) {
3142 clear_link_selected (view);
3143 ev_view_update_primary_selection (view);
3145 if (view->selection_info.in_drag) {
3146 clear_selection (view);
3147 gtk_widget_queue_draw (widget);
3150 view->selection_info.in_drag = FALSE;
3152 if (event->button == 2) {
3153 EvLinkAction *action;
3154 EvLinkActionType type;
3156 action = ev_link_get_action (link);
3160 type = ev_link_action_get_action_type (action);
3161 if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
3162 g_signal_emit (view,
3163 signals[SIGNAL_EXTERNAL_LINK],
3167 ev_view_handle_link (view, link);
3169 } else if (view->presentation) {
3170 switch (event->button) {
3172 ev_view_next_page (view);
3175 ev_view_previous_page (view);
3184 /* Cut and paste from gtkwindow.c */
3186 send_focus_change (GtkWidget *widget,
3189 GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE);
3191 g_object_ref (widget);
3194 GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
3196 GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
3198 fevent->focus_change.type = GDK_FOCUS_CHANGE;
3199 fevent->focus_change.window = g_object_ref (widget->window);
3200 fevent->focus_change.in = in;
3202 gtk_widget_event (widget, fevent);
3204 g_object_notify (G_OBJECT (widget), "has-focus");
3206 g_object_unref (widget);
3207 gdk_event_free (fevent);
3211 ev_view_goto_window_hide (EvView *view)
3213 /* send focus-in event */
3214 send_focus_change (view->goto_entry, FALSE);
3215 gtk_widget_hide (view->goto_window);
3216 gtk_entry_set_text (GTK_ENTRY (view->goto_entry), "");
3220 ev_view_goto_window_delete_event (GtkWidget *widget,
3224 ev_view_goto_window_hide (view);
3230 key_is_numeric (guint keyval)
3232 return ((keyval >= GDK_0 && keyval <= GDK_9) ||
3233 (keyval >= GDK_KP_0 && keyval <= GDK_KP_9));
3237 ev_view_goto_window_key_press_event (GtkWidget *widget,
3241 switch (event->keyval) {
3245 case GDK_ISO_Left_Tab:
3246 ev_view_goto_window_hide (view);
3255 if (!key_is_numeric (event->keyval))
3263 ev_view_goto_window_button_press_event (GtkWidget *widget,
3264 GdkEventButton *event,
3267 ev_view_goto_window_hide (view);
3273 ev_view_goto_entry_activate (GtkEntry *entry,
3279 text = gtk_entry_get_text (entry);
3280 page = atoi (text) - 1;
3282 ev_view_goto_window_hide (view);
3285 page < ev_page_cache_get_n_pages (view->page_cache))
3286 ev_page_cache_set_current_page (view->page_cache, page);
3290 ev_view_goto_window_create (EvView *view)
3292 GtkWidget *frame, *hbox, *toplevel, *label;
3294 toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view));
3296 if (view->goto_window) {
3297 if (GTK_WINDOW (toplevel)->group)
3298 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
3299 GTK_WINDOW (view->goto_window));
3300 else if (GTK_WINDOW (view->goto_window)->group)
3301 gtk_window_group_remove_window (GTK_WINDOW (view->goto_window)->group,
3302 GTK_WINDOW (view->goto_window));
3306 view->goto_window = gtk_window_new (GTK_WINDOW_POPUP);
3308 if (GTK_WINDOW (toplevel)->group)
3309 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
3310 GTK_WINDOW (view->goto_window));
3312 gtk_window_set_modal (GTK_WINDOW (view->goto_window), TRUE);
3314 g_signal_connect (view->goto_window, "delete_event",
3315 G_CALLBACK (ev_view_goto_window_delete_event),
3317 g_signal_connect (view->goto_window, "key_press_event",
3318 G_CALLBACK (ev_view_goto_window_key_press_event),
3320 g_signal_connect (view->goto_window, "button_press_event",
3321 G_CALLBACK (ev_view_goto_window_button_press_event),
3324 frame = gtk_frame_new (NULL);
3325 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
3326 gtk_container_add (GTK_CONTAINER (view->goto_window), frame);
3327 gtk_widget_show (frame);
3329 hbox = gtk_hbox_new (FALSE, 0);
3330 gtk_container_set_border_width (GTK_CONTAINER (hbox), 3);
3331 gtk_container_add (GTK_CONTAINER (frame), hbox);
3332 gtk_widget_show (hbox);
3334 label = gtk_label_new(_("Jump to page:"));
3335 gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 3);
3336 gtk_widget_show (label);
3337 gtk_widget_realize (label);
3339 view->goto_entry = gtk_entry_new ();
3340 g_signal_connect (view->goto_entry, "activate",
3341 G_CALLBACK (ev_view_goto_entry_activate),
3343 gtk_box_pack_start (GTK_BOX (hbox), view->goto_entry, TRUE, TRUE, 0);
3344 gtk_widget_show (view->goto_entry);
3345 gtk_widget_realize (view->goto_entry);
3349 ev_view_goto_entry_grab_focus (EvView *view)
3351 GtkWidgetClass *entry_parent_class;
3353 entry_parent_class = g_type_class_peek_parent (GTK_ENTRY_GET_CLASS (view->goto_entry));
3354 (entry_parent_class->grab_focus) (view->goto_entry);
3356 send_focus_change (view->goto_entry, TRUE);
3360 ev_view_goto_window_send_key_event (EvView *view,
3363 GdkEventKey *new_event;
3366 /* Move goto window off screen */
3367 screen = gtk_widget_get_screen (GTK_WIDGET (view));
3368 gtk_window_move (GTK_WINDOW (view->goto_window),
3369 gdk_screen_get_width (screen) + 1,
3370 gdk_screen_get_height (screen) + 1);
3371 gtk_widget_show (view->goto_window);
3373 new_event = (GdkEventKey *) gdk_event_copy (event);
3374 g_object_unref (new_event->window);
3375 new_event->window = g_object_ref (view->goto_window->window);
3376 gtk_widget_realize (view->goto_window);
3378 gtk_widget_event (view->goto_window, (GdkEvent *)new_event);
3379 gdk_event_free ((GdkEvent *)new_event);
3380 gtk_widget_hide (view->goto_window);
3384 ev_view_key_press_event (GtkWidget *widget,
3387 EvView *view = EV_VIEW (widget);
3388 EvPresentationState current;
3390 if (!view->document)
3393 if (!view->presentation ||
3394 view->presentation_state == EV_PRESENTATION_END)
3395 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3398 current = view->presentation_state;
3400 switch (event->keyval) {
3404 case GDK_KP_Decimal:
3405 view->presentation_state =
3406 (view->presentation_state == EV_PRESENTATION_BLACK) ?
3407 EV_PRESENTATION_NORMAL : EV_PRESENTATION_BLACK;
3411 view->presentation_state =
3412 (view->presentation_state == EV_PRESENTATION_WHITE) ?
3413 EV_PRESENTATION_NORMAL : EV_PRESENTATION_WHITE;
3416 if (view->presentation_state == EV_PRESENTATION_BLACK ||
3417 view->presentation_state == EV_PRESENTATION_WHITE) {
3418 view->presentation_state = EV_PRESENTATION_NORMAL;
3422 if (current == view->presentation_state) {
3423 if (ev_page_cache_get_n_pages (view->page_cache) > 1 &&
3424 key_is_numeric (event->keyval)) {
3427 ev_view_goto_window_create (view);
3428 ev_view_goto_window_send_key_event (view, (GdkEvent *)event);
3429 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
3430 gtk_window_move (GTK_WINDOW (view->goto_window), x, y);
3431 gtk_widget_show (view->goto_window);
3432 ev_view_goto_entry_grab_focus (view);
3437 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3440 switch (view->presentation_state) {
3441 case EV_PRESENTATION_NORMAL:
3442 case EV_PRESENTATION_BLACK:
3443 gdk_window_set_background (view->layout.bin_window,
3444 &widget->style->black);
3446 case EV_PRESENTATION_WHITE:
3447 gdk_window_set_background (view->layout.bin_window,
3448 &widget->style->white);
3451 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3454 gtk_widget_queue_draw (widget);
3459 ev_view_focus_in (GtkWidget *widget,
3460 GdkEventFocus *event)
3462 if (EV_VIEW (widget)->pixbuf_cache)
3463 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3464 gtk_widget_queue_draw (widget);
3470 ev_view_focus_out (GtkWidget *widget,
3471 GdkEventFocus *event)
3473 if (EV_VIEW (widget)->goto_window)
3474 ev_view_goto_window_hide (EV_VIEW (widget));
3476 if (EV_VIEW (widget)->pixbuf_cache)
3477 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3478 gtk_widget_queue_draw (widget);
3484 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3486 EvView *view = EV_VIEW (widget);
3488 if (view->cursor != EV_VIEW_CURSOR_NORMAL)
3489 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
3495 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3497 EvView *view = EV_VIEW (widget);
3499 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3505 ev_view_style_set (GtkWidget *widget,
3506 GtkStyle *old_style)
3508 if (EV_VIEW (widget)->pixbuf_cache)
3509 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3511 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
3517 ev_gdk_color_to_rgb (const GdkColor *color)
3520 result = (0xff0000 | (color->red & 0xff00));
3522 result |= ((color->green & 0xff00) | (color->blue >> 8));
3527 draw_rubberband (GtkWidget *widget, GdkWindow *window,
3528 const GdkRectangle *rect, guchar alpha)
3532 GdkColor *fill_color_gdk;
3535 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
3536 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
3538 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
3539 rect->width, rect->height);
3540 gdk_pixbuf_fill (pixbuf, fill_color);
3542 gdk_draw_pixbuf (window, NULL, pixbuf,
3544 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
3545 rect->width, rect->height,
3546 GDK_RGB_DITHER_NONE,
3549 g_object_unref (pixbuf);
3551 gc = gdk_gc_new (window);
3552 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
3553 gdk_draw_rectangle (window, gc, FALSE,
3554 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
3557 g_object_unref (gc);
3559 gdk_color_free (fill_color_gdk);
3564 highlight_find_results (EvView *view, int page)
3566 gint i, n_results = 0;
3568 n_results = ev_view_find_get_n_results (view, page);
3570 for (i = 0; i < n_results; i++) {
3571 EvRectangle *rectangle;
3572 GdkRectangle view_rectangle;
3575 if (i == view->find_result && page == view->current_page) {
3581 rectangle = ev_view_find_get_result (view, page, i);
3582 doc_rect_to_view_rect (view, page, rectangle, &view_rectangle);
3583 draw_rubberband (GTK_WIDGET (view), view->layout.bin_window,
3584 &view_rectangle, alpha);
3589 draw_loading_text (EvView *view,
3590 GdkRectangle *page_area,
3591 GdkRectangle *expose_area)
3596 if (!view->loading_text) {
3597 const gchar *loading_text = _("Loading...");
3598 PangoLayout *layout;
3599 PangoFontDescription *font_desc;
3600 PangoRectangle logical_rect;
3604 ev_document_fc_mutex_lock ();
3606 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
3608 font_desc = pango_font_description_new ();
3610 /* We set the font to be 10 points, get the size, and scale appropriately */
3611 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
3612 pango_layout_set_font_description (layout, font_desc);
3613 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
3615 target_width = MAX (page_area->width / 2, 1);
3616 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
3617 pango_font_description_set_size (font_desc, (int)real_scale);
3618 pango_layout_set_font_description (layout, font_desc);
3619 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
3621 view->loading_text = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
3623 logical_rect.height);
3624 cr = cairo_create (view->loading_text);
3625 cairo_set_source_rgb (cr,
3629 pango_cairo_show_layout (cr, layout);
3632 pango_font_description_free (font_desc);
3633 g_object_unref (layout);
3635 ev_document_fc_mutex_unlock ();
3638 width = (page_area->width - cairo_image_surface_get_width (view->loading_text)) / 2;
3639 height = (page_area->height - cairo_image_surface_get_height (view->loading_text)) / 2;
3641 cr = gdk_cairo_create (view->layout.bin_window);
3642 cairo_translate (cr,
3643 page_area->x + width,
3644 page_area->y + height);
3645 cairo_set_source_surface (cr, view->loading_text, 0, 0);
3651 draw_one_page (EvView *view,
3654 GdkRectangle *page_area,
3656 GdkRectangle *expose_area,
3657 gboolean *page_ready)
3659 GdkRectangle overlap;
3660 GdkRectangle real_page_area;
3662 g_assert (view->document);
3664 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
3667 /* Render the document itself */
3668 real_page_area = *page_area;
3670 real_page_area.x += border->left;
3671 real_page_area.y += border->top;
3672 real_page_area.width -= (border->left + border->right);
3673 real_page_area.height -= (border->top + border->bottom);
3676 if (!view->presentation) {
3679 current_page = ev_page_cache_get_current_page (view->page_cache);
3680 ev_document_misc_paint_one_page (view->layout.bin_window,
3683 page == current_page);
3686 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
3688 gint page_width, page_height;
3689 cairo_surface_t *page_surface = NULL;
3690 gint selection_width, selection_height;
3691 cairo_surface_t *selection_surface = NULL;
3693 page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page);
3695 if (!page_surface) {
3696 if (!view->presentation) {
3697 draw_loading_text (view,
3702 *page_ready = FALSE;
3707 ev_page_cache_get_size (view->page_cache,
3708 page, view->rotation,
3712 page_width = cairo_image_surface_get_width (page_surface);
3713 page_height = cairo_image_surface_get_height (page_surface);
3716 cairo_translate (cr, overlap.x, overlap.y);
3718 if (width != page_width || height != page_height) {
3719 cairo_pattern_set_filter (cairo_get_source (cr),
3722 (gdouble)width / page_width,
3723 (gdouble)height / page_height);
3726 cairo_surface_set_device_offset (page_surface,
3727 overlap.x - real_page_area.x,
3728 overlap.y - real_page_area.y);
3729 cairo_set_source_surface (cr, page_surface, 0, 0);
3733 /* Get the selection pixbuf iff we have something to draw */
3734 if (find_selection_for_page (view, page) &&
3735 view->selection_mode == EV_VIEW_SELECTION_TEXT) {
3737 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
3743 if (!selection_surface) {
3747 selection_width = cairo_image_surface_get_width (selection_surface);
3748 selection_height = cairo_image_surface_get_height (selection_surface);
3751 cairo_translate (cr, overlap.x, overlap.y);
3753 if (width != selection_width || height != selection_height) {
3754 cairo_pattern_set_filter (cairo_get_source (cr),
3757 (gdouble)width / selection_width,
3758 (gdouble)height / selection_height);
3761 cairo_surface_set_device_offset (selection_surface,
3762 overlap.x - real_page_area.x,
3763 overlap.y - real_page_area.y);
3764 cairo_set_source_surface (cr, selection_surface, 0, 0);
3770 /*** GObject functions ***/
3773 ev_view_finalize (GObject *object)
3775 EvView *view = EV_VIEW (object);
3777 clear_selection (view);
3778 clear_link_selected (view);
3780 if (view->image_dnd_info.image)
3781 g_object_unref (view->image_dnd_info.image);
3782 view->image_dnd_info.image = NULL;
3784 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
3788 ev_view_destroy (GtkObject *object)
3790 EvView *view = EV_VIEW (object);
3792 if (view->document) {
3793 g_object_unref (view->document);
3794 view->document = NULL;
3797 if (view->pixbuf_cache) {
3798 g_object_unref (view->pixbuf_cache);
3799 view->pixbuf_cache = NULL;
3802 if (view->goto_window) {
3803 gtk_widget_destroy (view->goto_window);
3804 view->goto_window = NULL;
3805 view->goto_entry = NULL;
3808 if (view->selection_scroll_id) {
3809 g_source_remove (view->selection_scroll_id);
3810 view->selection_scroll_id = 0;
3813 if (view->selection_update_id) {
3814 g_source_remove (view->selection_update_id);
3815 view->selection_update_id = 0;
3818 if (view->loading_text) {
3819 cairo_surface_destroy (view->loading_text);
3820 view->loading_text = NULL;
3823 if (view->scroll_info.timeout_id) {
3824 g_source_remove (view->scroll_info.timeout_id);
3825 view->scroll_info.timeout_id = 0;
3828 if (view->drag_info.drag_timeout_id) {
3829 g_source_remove (view->drag_info.drag_timeout_id);
3830 view->drag_info.drag_timeout_id = 0;
3833 if (view->drag_info.release_timeout_id) {
3834 g_source_remove (view->drag_info.release_timeout_id);
3835 view->drag_info.release_timeout_id = 0;
3838 ev_view_presentation_transition_stop (view);
3840 ev_view_set_scroll_adjustments (GTK_LAYOUT (view), NULL, NULL);
3842 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
3846 ev_view_set_property (GObject *object,
3848 const GValue *value,
3851 EvView *view = EV_VIEW (object);
3854 case PROP_CONTINUOUS:
3855 ev_view_set_continuous (view, g_value_get_boolean (value));
3857 case PROP_DUAL_PAGE:
3858 ev_view_set_dual_page (view, g_value_get_boolean (value));
3860 case PROP_FULLSCREEN:
3861 ev_view_set_fullscreen (view, g_value_get_boolean (value));
3863 case PROP_PRESENTATION:
3864 ev_view_set_presentation (view, g_value_get_boolean (value));
3866 case PROP_SIZING_MODE:
3867 ev_view_set_sizing_mode (view, g_value_get_enum (value));
3870 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
3873 ev_view_set_rotation (view, g_value_get_int (value));
3876 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
3881 ev_view_get_accessible (GtkWidget *widget)
3883 static gboolean first_time = TRUE;
3886 AtkObjectFactory *factory;
3887 AtkRegistry *registry;
3889 GType derived_atk_type;
3892 * Figure out whether accessibility is enabled by looking at the
3893 * type of the accessible object which would be created for
3894 * the parent type of EvView.
3896 derived_type = g_type_parent (EV_TYPE_VIEW);
3898 registry = atk_get_default_registry ();
3899 factory = atk_registry_get_factory (registry,
3901 derived_atk_type = atk_object_factory_get_accessible_type (factory);
3902 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
3903 atk_registry_set_factory_type (registry,
3905 ev_view_accessible_factory_get_type ());
3908 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
3912 ev_view_get_property (GObject *object,
3917 EvView *view = EV_VIEW (object);
3920 case PROP_CONTINUOUS:
3921 g_value_set_boolean (value, view->continuous);
3923 case PROP_DUAL_PAGE:
3924 g_value_set_boolean (value, view->dual_page);
3926 case PROP_FULLSCREEN:
3927 g_value_set_boolean (value, view->fullscreen);
3929 case PROP_PRESENTATION:
3930 g_value_set_boolean (value, view->presentation);
3932 case PROP_SIZING_MODE:
3933 g_value_set_enum (value, view->sizing_mode);
3936 g_value_set_double (value, view->scale);
3939 g_value_set_int (value, view->rotation);
3941 case PROP_HAS_SELECTION:
3942 g_value_set_boolean (value,
3943 view->selection_info.selections != NULL);
3946 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
3951 ev_view_class_init (EvViewClass *class)
3953 GObjectClass *object_class = G_OBJECT_CLASS (class);
3954 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
3955 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
3956 GtkLayoutClass *layout_class = GTK_LAYOUT_CLASS (class);
3957 GtkBindingSet *binding_set;
3959 object_class->finalize = ev_view_finalize;
3960 object_class->set_property = ev_view_set_property;
3961 object_class->get_property = ev_view_get_property;
3963 widget_class->expose_event = ev_view_expose_event;
3964 widget_class->button_press_event = ev_view_button_press_event;
3965 widget_class->motion_notify_event = ev_view_motion_notify_event;
3966 widget_class->button_release_event = ev_view_button_release_event;
3967 widget_class->key_press_event = ev_view_key_press_event;
3968 widget_class->focus_in_event = ev_view_focus_in;
3969 widget_class->focus_out_event = ev_view_focus_out;
3970 widget_class->get_accessible = ev_view_get_accessible;
3971 widget_class->size_request = ev_view_size_request;
3972 widget_class->size_allocate = ev_view_size_allocate;
3973 widget_class->realize = ev_view_realize;
3974 widget_class->scroll_event = ev_view_scroll_event;
3975 widget_class->enter_notify_event = ev_view_enter_notify_event;
3976 widget_class->leave_notify_event = ev_view_leave_notify_event;
3977 widget_class->style_set = ev_view_style_set;
3978 widget_class->drag_data_get = ev_view_drag_data_get;
3979 widget_class->drag_motion = ev_view_drag_motion;
3980 widget_class->drag_data_received = ev_view_drag_data_received;
3981 widget_class->popup_menu = ev_view_popup_menu;
3982 widget_class->query_tooltip = ev_view_query_tooltip;
3984 gtk_object_class->destroy = ev_view_destroy;
3986 layout_class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
3988 class->binding_activated = ev_view_scroll;
3990 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
3991 G_TYPE_FROM_CLASS (object_class),
3992 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3993 G_STRUCT_OFFSET (EvViewClass, binding_activated),
3995 ev_marshal_VOID__ENUM_BOOLEAN,
3997 GTK_TYPE_SCROLL_TYPE,
4000 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
4001 G_TYPE_FROM_CLASS (object_class),
4002 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4003 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
4005 ev_marshal_VOID__VOID,
4006 G_TYPE_NONE, 0, G_TYPE_NONE);
4007 signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link",
4008 G_TYPE_FROM_CLASS (object_class),
4009 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4010 G_STRUCT_OFFSET (EvViewClass, handle_link),
4012 g_cclosure_marshal_VOID__OBJECT,
4015 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
4016 G_TYPE_FROM_CLASS (object_class),
4017 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4018 G_STRUCT_OFFSET (EvViewClass, external_link),
4020 g_cclosure_marshal_VOID__OBJECT,
4023 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
4024 G_TYPE_FROM_CLASS (object_class),
4025 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4026 G_STRUCT_OFFSET (EvViewClass, popup_menu),
4028 g_cclosure_marshal_VOID__OBJECT,
4033 g_object_class_install_property (object_class,
4035 g_param_spec_boolean ("continuous",
4037 "Continuous scrolling mode",
4039 G_PARAM_READWRITE));
4041 g_object_class_install_property (object_class,
4043 g_param_spec_boolean ("dual-page",
4045 "Two pages visible at once",
4047 G_PARAM_READWRITE));
4048 g_object_class_install_property (object_class,
4050 g_param_spec_boolean ("fullscreen",
4052 "Draw page in a fullscreen fashion",
4054 G_PARAM_READWRITE));
4055 g_object_class_install_property (object_class,
4057 g_param_spec_boolean ("presentation",
4059 "Draw page in presentation mode",
4061 G_PARAM_READWRITE));
4063 g_object_class_install_property (object_class,
4065 g_param_spec_enum ("sizing-mode",
4068 EV_TYPE_SIZING_MODE,
4069 EV_SIZING_FIT_WIDTH,
4070 G_PARAM_READWRITE));
4072 g_object_class_install_property (object_class,
4074 g_param_spec_double ("zoom",
4080 G_PARAM_READWRITE));
4081 g_object_class_install_property (object_class,
4083 g_param_spec_double ("rotation",
4089 G_PARAM_READWRITE));
4090 g_object_class_install_property (object_class,
4092 g_param_spec_boolean ("has-selection",
4094 "The view has selections",
4098 binding_set = gtk_binding_set_by_class (class);
4100 add_scroll_binding_keypad (binding_set, GDK_Left, 0, GTK_SCROLL_STEP_BACKWARD, TRUE);
4101 add_scroll_binding_keypad (binding_set, GDK_Right, 0, GTK_SCROLL_STEP_FORWARD, TRUE);
4102 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, TRUE);
4103 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, TRUE);
4104 add_scroll_binding_keypad (binding_set, GDK_Up, 0, GTK_SCROLL_STEP_BACKWARD, FALSE);
4105 add_scroll_binding_keypad (binding_set, GDK_Down, 0, GTK_SCROLL_STEP_FORWARD, FALSE);
4106 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, FALSE);
4107 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, FALSE);
4108 gtk_binding_entry_add_signal (binding_set, GDK_H, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4109 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE);
4110 gtk_binding_entry_add_signal (binding_set, GDK_J, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4111 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE);
4112 gtk_binding_entry_add_signal (binding_set, GDK_K, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4113 GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE);
4114 gtk_binding_entry_add_signal (binding_set, GDK_L, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
4115 GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE);
4120 ev_view_init (EvView *view)
4122 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
4126 view->current_page = 0;
4127 view->pressed_button = -1;
4128 view->cursor = EV_VIEW_CURSOR_NORMAL;
4129 view->drag_info.in_drag = FALSE;
4130 view->scroll_info.autoscrolling = FALSE;
4131 view->selection_info.selections = NULL;
4132 view->selection_info.in_selection = FALSE;
4133 view->selection_info.in_drag = FALSE;
4134 view->selection_mode = EV_VIEW_SELECTION_TEXT;
4135 view->continuous = TRUE;
4136 view->dual_page = FALSE;
4137 view->presentation = FALSE;
4138 view->presentation_state = EV_PRESENTATION_NORMAL;
4139 view->fullscreen = FALSE;
4140 view->sizing_mode = EV_SIZING_FIT_WIDTH;
4141 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4142 view->jump_to_find_result = TRUE;
4143 view->highlight_find_results = FALSE;
4145 gtk_layout_set_hadjustment (GTK_LAYOUT (view), NULL);
4146 gtk_layout_set_vadjustment (GTK_LAYOUT (view), NULL);
4148 gtk_drag_dest_set (GTK_WIDGET (view),
4149 GTK_DEST_DEFAULT_ALL,
4151 G_N_ELEMENTS (view_drop_targets),
4158 ev_view_change_page (EvView *view,
4160 gboolean start_transition)
4164 view->current_page = new_page;
4165 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4167 if (view->presentation && start_transition)
4168 ev_view_presentation_transition_start (view);
4170 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4171 ev_view_handle_cursor_over_xy (view, x, y);
4173 gtk_widget_queue_resize (GTK_WIDGET (view));
4177 ev_view_transition_animation_finish (EvTransitionAnimation *animation,
4180 g_object_unref (view->animation);
4181 view->animation = NULL;
4182 ev_view_change_page (view, view->current_page, TRUE);
4186 * ev_view_transition_animation_cancel:
4187 * @animation: Animation to finish
4190 * Does almost the same as cancel, but without scheduling the transition.
4194 ev_view_transition_animation_cancel (EvTransitionAnimation *animation,
4197 g_object_unref (view->animation);
4198 view->animation = NULL;
4199 ev_view_change_page (view, view->current_page, FALSE);
4203 ev_view_transition_animation_frame (EvTransitionAnimation *animation,
4207 gtk_widget_queue_draw (GTK_WIDGET (view));
4211 ev_view_presentation_animation_start (EvView *view,
4214 EvTransitionEffect *effect = NULL;
4215 cairo_surface_t *surface;
4217 if (EV_IS_DOCUMENT_TRANSITION (view->document))
4218 effect = ev_document_transition_get_effect (EV_DOCUMENT_TRANSITION (view->document),
4219 view->current_page);
4223 surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page);
4224 view->animation = ev_transition_animation_new (effect);
4225 ev_transition_animation_set_origin_surface (view->animation, surface);
4227 g_signal_connect (view->animation, "frame",
4228 G_CALLBACK (ev_view_transition_animation_frame), view);
4229 g_signal_connect (view->animation, "finished",
4230 G_CALLBACK (ev_view_transition_animation_finish), view);
4234 job_finished_cb (EvPixbufCache *pixbuf_cache,
4238 if (view->animation) {
4239 cairo_surface_t *surface;
4241 surface = ev_pixbuf_cache_get_surface (pixbuf_cache, view->current_page);
4242 ev_transition_animation_set_dest_surface (view->animation, surface);
4246 gdk_window_invalidate_region (view->layout.bin_window,
4249 gtk_widget_queue_draw (GTK_WIDGET (view));
4254 page_changed_cb (EvPageCache *page_cache,
4258 if (view->current_page != new_page) {
4259 if (view->presentation)
4260 ev_view_presentation_animation_start (view, new_page);
4262 ev_view_change_page (view, new_page, TRUE);
4264 gtk_widget_queue_draw (GTK_WIDGET (view));
4267 view->find_result = 0;
4271 on_adjustment_value_changed (GtkAdjustment *adjustment,
4276 GList *children, *l;
4278 if (! GTK_WIDGET_REALIZED (view))
4281 if (view->hadjustment) {
4282 dx = view->scroll_x - (int) view->hadjustment->value;
4283 view->scroll_x = (int) view->hadjustment->value;
4288 if (view->vadjustment) {
4289 dy = view->scroll_y - (int) view->vadjustment->value;
4290 view->scroll_y = (int) view->vadjustment->value;
4295 children = gtk_container_get_children (GTK_CONTAINER (view));
4296 for (l = children; l && l->data; l = g_list_next (l)) {
4297 gint child_x, child_y;
4298 GtkWidget *child = (GtkWidget *)l->data;
4300 gtk_container_child_get (GTK_CONTAINER (view),
4305 gtk_layout_move (GTK_LAYOUT (view), child, child_x + dx, child_y + dy);
4307 g_list_free (children);
4309 if (view->pending_resize)
4310 gtk_widget_queue_draw (GTK_WIDGET (view));
4312 gdk_window_scroll (view->layout.bin_window, dx, dy);
4314 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4315 ev_view_handle_cursor_over_xy (view, x, y);
4318 view_update_range_and_current_page (view);
4326 view = g_object_new (EV_TYPE_VIEW, NULL);
4332 setup_caches (EvView *view)
4334 view->page_cache = ev_page_cache_get (view->document);
4335 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
4336 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
4337 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
4338 page_changed_cb (view->page_cache,
4339 ev_page_cache_get_current_page (view->page_cache),
4344 clear_caches (EvView *view)
4346 if (view->pixbuf_cache) {
4347 g_object_unref (view->pixbuf_cache);
4348 view->pixbuf_cache = NULL;
4351 if (view->page_cache) {
4352 view->page_cache = NULL;
4357 ev_view_set_loading (EvView *view,
4360 view->loading = loading;
4361 gtk_widget_queue_draw (GTK_WIDGET (view));
4365 ev_view_autoscroll_cb (EvView *view)
4367 gdouble speed, value;
4369 /* If the user stops autoscrolling, autoscrolling will be
4370 * set to false but the timeout will continue; stop the timeout: */
4371 if (!view->scroll_info.autoscrolling) {
4372 view->scroll_info.timeout_id = 0;
4376 if (view->scroll_info.last_y > view->scroll_info.start_y &&
4377 (view->scroll_info.last_y < view->scroll_info.start_y))
4380 /* Replace 100 with your speed of choice: The lower the faster.
4381 * Replace 3 with another speed of choice: The higher, the faster it accelerated
4382 * based on the distance of the starting point from the mouse
4383 * (All also effected by the timeout interval of this callback) */
4385 if (view->scroll_info.start_y > view->scroll_info.last_y)
4386 speed = -pow ((((gdouble)view->scroll_info.start_y - view->scroll_info.last_y) / 100), 3);
4388 speed = pow ((((gdouble)view->scroll_info.last_y - view->scroll_info.start_y) / 100), 3);
4390 value = gtk_adjustment_get_value (view->vadjustment);
4391 value = CLAMP (value + speed, 0, view->vadjustment->upper - view->vadjustment->page_size);
4392 gtk_adjustment_set_value (view->vadjustment, value);
4399 ev_view_autoscroll_start (EvView *view)
4403 g_return_if_fail (EV_IS_VIEW (view));
4405 if (view->scroll_info.autoscrolling)
4408 view->scroll_info.autoscrolling = TRUE;
4409 view->scroll_info.timeout_id =
4410 g_timeout_add (20, (GSourceFunc)ev_view_autoscroll_cb,
4413 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4414 ev_view_handle_cursor_over_xy (view, x, y);
4418 ev_view_autoscroll_stop (EvView *view)
4422 g_return_if_fail (EV_IS_VIEW (view));
4424 if (!view->scroll_info.autoscrolling)
4427 view->scroll_info.autoscrolling = FALSE;
4428 if (view->scroll_info.timeout_id) {
4429 g_source_remove (view->scroll_info.timeout_id);
4430 view->scroll_info.timeout_id = 0;
4433 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4434 ev_view_handle_cursor_over_xy (view, x, y);
4438 ev_view_set_document (EvView *view,
4439 EvDocument *document)
4441 g_return_if_fail (EV_IS_VIEW (view));
4443 view->loading = FALSE;
4445 if (document != view->document) {
4446 clear_caches (view);
4448 if (view->document) {
4449 g_object_unref (view->document);
4450 view->page_cache = NULL;
4453 view->document = document;
4454 view->find_result = 0;
4456 if (view->document) {
4457 g_object_ref (view->document);
4458 setup_caches (view);
4461 gtk_widget_queue_resize (GTK_WIDGET (view));
4466 ev_view_reload_page (EvView *view,
4470 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
4478 ev_view_reload (EvView *view)
4480 ev_pixbuf_cache_clear (view->pixbuf_cache);
4481 view_update_range_and_current_page (view);
4484 /*** Zoom and sizing mode ***/
4486 #define EPSILON 0.0000001
4488 ev_view_set_zoom (EvView *view,
4495 scale = view->scale * factor;
4499 scale = CLAMP (scale,
4500 view->sizing_mode == EV_SIZING_FREE ? view->min_scale : 0,
4503 if (ABS (view->scale - scale) < EPSILON)
4506 if (view->loading_text) {
4507 cairo_surface_destroy (view->loading_text);
4508 view->loading_text = NULL;
4511 view->scale = scale;
4512 view->pending_resize = TRUE;
4514 gtk_widget_queue_resize (GTK_WIDGET (view));
4516 g_object_notify (G_OBJECT (view), "zoom");
4520 ev_view_get_zoom (EvView *view)
4526 ev_view_set_screen_dpi (EvView *view,
4529 g_return_if_fail (EV_IS_VIEW (view));
4530 g_return_if_fail (dpi > 0);
4533 view->min_scale = MIN_SCALE * dpi / 72.0;
4534 view->max_scale = MAX_SCALE * dpi / 72.0;
4538 ev_view_get_continuous (EvView *view)
4540 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4542 return view->continuous;
4546 ev_view_set_continuous (EvView *view,
4547 gboolean continuous)
4549 g_return_if_fail (EV_IS_VIEW (view));
4551 continuous = continuous != FALSE;
4553 if (view->continuous != continuous) {
4554 view->continuous = continuous;
4555 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4556 gtk_widget_queue_resize (GTK_WIDGET (view));
4559 g_object_notify (G_OBJECT (view), "continuous");
4563 ev_view_get_dual_page (EvView *view)
4565 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4567 return view->dual_page;
4571 ev_view_set_dual_page (EvView *view,
4574 g_return_if_fail (EV_IS_VIEW (view));
4576 dual_page = dual_page != FALSE;
4578 if (view->dual_page == dual_page)
4581 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4582 view->dual_page = dual_page;
4583 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
4584 * preload_cache_size to be 2 if dual_page is set.
4586 gtk_widget_queue_resize (GTK_WIDGET (view));
4588 g_object_notify (G_OBJECT (view), "dual-page");
4592 ev_view_set_fullscreen (EvView *view,
4593 gboolean fullscreen)
4595 g_return_if_fail (EV_IS_VIEW (view));
4597 fullscreen = fullscreen != FALSE;
4599 if (view->fullscreen == fullscreen)
4602 view->fullscreen = fullscreen;
4603 gtk_widget_queue_resize (GTK_WIDGET (view));
4605 g_object_notify (G_OBJECT (view), "fullscreen");
4609 ev_view_get_fullscreen (EvView *view)
4611 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4613 return view->fullscreen;
4617 ev_view_set_presentation (EvView *view,
4618 gboolean presentation)
4620 g_return_if_fail (EV_IS_VIEW (view));
4622 presentation = presentation != FALSE;
4624 if (view->presentation == presentation)
4628 view->presentation_state = EV_PRESENTATION_NORMAL;
4630 view->presentation = presentation;
4631 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4634 view->sizing_mode_saved = view->sizing_mode;
4635 view->scale_saved = view->scale;
4636 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
4638 ev_view_set_sizing_mode (view, view->sizing_mode_saved);
4639 ev_view_set_zoom (view, view->scale_saved, FALSE);
4642 gtk_widget_queue_resize (GTK_WIDGET (view));
4645 ev_view_presentation_transition_start (view);
4647 ev_view_presentation_transition_stop (view);
4649 if (view->animation) {
4650 /* stop any running animation */
4651 ev_view_transition_animation_cancel (view->animation, view);
4655 if (GTK_WIDGET_REALIZED (view)) {
4656 if (view->presentation)
4657 gdk_window_set_background (view->layout.bin_window,
4658 >K_WIDGET (view)->style->black);
4660 gdk_window_set_background (view->layout.bin_window,
4661 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
4664 g_object_notify (G_OBJECT (view), "presentation");
4668 ev_view_get_presentation (EvView *view)
4670 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4672 return view->presentation;
4676 transition_next_page (EvView *view)
4678 ev_view_next_page (view);
4684 ev_view_presentation_transition_stop (EvView *view)
4686 if (view->trans_timeout_id > 0)
4687 g_source_remove (view->trans_timeout_id);
4688 view->trans_timeout_id = 0;
4692 ev_view_presentation_transition_start (EvView *view)
4696 if (!EV_IS_DOCUMENT_TRANSITION (view->document))
4699 ev_view_presentation_transition_stop (view);
4701 duration = ev_document_transition_get_page_duration (EV_DOCUMENT_TRANSITION (view->document),
4702 view->current_page);
4704 view->trans_timeout_id =
4705 g_timeout_add_seconds (duration,
4706 (GSourceFunc) transition_next_page,
4712 ev_view_set_sizing_mode (EvView *view,
4713 EvSizingMode sizing_mode)
4715 g_return_if_fail (EV_IS_VIEW (view));
4717 if (view->sizing_mode == sizing_mode)
4720 view->sizing_mode = sizing_mode;
4721 gtk_widget_queue_resize (GTK_WIDGET (view));
4723 g_object_notify (G_OBJECT (view), "sizing-mode");
4727 ev_view_get_sizing_mode (EvView *view)
4729 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
4731 return view->sizing_mode;
4735 ev_view_can_zoom_in (EvView *view)
4737 return view->scale * ZOOM_IN_FACTOR <= view->max_scale;
4741 ev_view_can_zoom_out (EvView *view)
4743 return view->scale * ZOOM_OUT_FACTOR >= view->min_scale;
4747 ev_view_zoom_in (EvView *view)
4749 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
4751 if (view->presentation)
4754 view->pending_scroll = SCROLL_TO_CENTER;
4755 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
4759 ev_view_zoom_out (EvView *view)
4761 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
4763 if (view->presentation)
4766 view->pending_scroll = SCROLL_TO_CENTER;
4767 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
4771 ev_view_rotate_right (EvView *view)
4773 int rotation = view->rotation + 90;
4775 if (rotation >= 360) {
4779 ev_view_set_rotation (view, rotation);
4783 ev_view_rotate_left (EvView *view)
4785 int rotation = view->rotation - 90;
4791 ev_view_set_rotation (view, rotation);
4795 ev_view_set_rotation (EvView *view, int rotation)
4797 view->rotation = rotation;
4799 if (view->pixbuf_cache) {
4800 ev_pixbuf_cache_clear (view->pixbuf_cache);
4801 gtk_widget_queue_resize (GTK_WIDGET (view));
4805 clear_selection (view);
4807 g_object_notify (G_OBJECT (view), "rotation");
4811 ev_view_get_rotation (EvView *view)
4813 return view->rotation;
4817 zoom_for_size_fit_width (int doc_width,
4825 scale = (double)target_width / doc_width;
4827 if (doc_height * scale > target_height)
4828 scale = (double) (target_width - vsb_width) / doc_width;
4834 zoom_for_size_fit_height (int doc_width,
4842 scale = (double)target_height / doc_height;
4844 if (doc_width * scale > target_width)
4845 scale = (double) (target_height - vsb_height) / doc_height;
4851 zoom_for_size_best_fit (int doc_width,
4861 w_scale = (double)target_width / doc_width;
4862 h_scale = (double)target_height / doc_height;
4864 if (doc_height * w_scale > target_height)
4865 w_scale = (double) (target_width - vsb_width) / doc_width;
4866 if (doc_width * h_scale > target_width)
4867 h_scale = (double) (target_height - hsb_width) / doc_height;
4869 return MIN (w_scale, h_scale);
4874 ev_view_zoom_for_size_presentation (EvView *view,
4878 int doc_width, doc_height;
4881 ev_page_cache_get_size (view->page_cache,
4887 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
4888 ev_view_set_zoom (view, scale, FALSE);
4892 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
4898 int doc_width, doc_height;
4902 ev_page_cache_get_max_width (view->page_cache,
4906 ev_page_cache_get_max_height (view->page_cache,
4910 compute_border (view, doc_width, doc_height, &border);
4912 doc_width = doc_width * 2;
4913 width -= (2 * (border.left + border.right) + 3 * view->spacing);
4914 height -= (border.top + border.bottom + 2 * view->spacing - 1);
4916 /* FIXME: We really need to calculate the overall height here, not the
4917 * page height. We assume there's always a vertical scrollbar for
4918 * now. We need to fix this. */
4919 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
4920 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
4921 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4922 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
4924 g_assert_not_reached ();
4926 ev_view_set_zoom (view, scale, FALSE);
4930 ev_view_zoom_for_size_continuous (EvView *view,
4936 int doc_width, doc_height;
4940 ev_page_cache_get_max_width (view->page_cache,
4944 ev_page_cache_get_max_height (view->page_cache,
4948 compute_border (view, doc_width, doc_height, &border);
4950 width -= (border.left + border.right + 2 * view->spacing);
4951 height -= (border.top + border.bottom + 2 * view->spacing - 1);
4953 /* FIXME: We really need to calculate the overall height here, not the
4954 * page height. We assume there's always a vertical scrollbar for
4955 * now. We need to fix this. */
4956 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
4957 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
4958 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4959 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
4961 g_assert_not_reached ();
4963 ev_view_set_zoom (view, scale, FALSE);
4967 ev_view_zoom_for_size_dual_page (EvView *view,
4974 gint doc_width, doc_height;
4978 other_page = view->current_page ^ 1;
4980 /* Find the largest of the two. */
4981 ev_page_cache_get_size (view->page_cache,
4985 &doc_width, &doc_height);
4987 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
4988 gint width_2, height_2;
4989 ev_page_cache_get_size (view->page_cache,
4993 &width_2, &height_2);
4994 if (width_2 > doc_width)
4995 doc_width = width_2;
4996 if (height_2 > doc_height)
4997 doc_height = height_2;
4999 compute_border (view, doc_width, doc_height, &border);
5001 doc_width = doc_width * 2;
5002 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
5003 height -= (border.top + border.bottom + 2 * view->spacing);
5005 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5006 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
5007 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5008 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
5010 g_assert_not_reached ();
5012 ev_view_set_zoom (view, scale, FALSE);
5016 ev_view_zoom_for_size_single_page (EvView *view,
5022 int doc_width, doc_height;
5026 ev_page_cache_get_size (view->page_cache,
5032 /* Get an approximate border */
5033 compute_border (view, width, height, &border);
5035 width -= (border.left + border.right + 2 * view->spacing);
5036 height -= (border.top + border.bottom + 2 * view->spacing);
5038 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5039 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
5040 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5041 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
5043 g_assert_not_reached ();
5045 ev_view_set_zoom (view, scale, FALSE);
5049 ev_view_set_zoom_for_size (EvView *view,
5055 g_return_if_fail (EV_IS_VIEW (view));
5056 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
5057 view->sizing_mode == EV_SIZING_BEST_FIT);
5058 g_return_if_fail (width >= 0);
5059 g_return_if_fail (height >= 0);
5061 if (view->document == NULL)
5064 if (view->presentation)
5065 ev_view_zoom_for_size_presentation (view, width, height);
5066 else if (view->continuous && view->dual_page)
5067 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
5068 else if (view->continuous)
5069 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
5070 else if (view->dual_page)
5071 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
5073 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
5078 ev_view_find_get_n_results (EvView *view, gint page)
5080 return view->find_pages ? g_list_length (view->find_pages[page]) : 0;
5083 static EvRectangle *
5084 ev_view_find_get_result (EvView *view, gint page, gint result)
5086 return view->find_pages ? (EvRectangle *) g_list_nth_data (view->find_pages[page], result) : NULL;
5090 jump_to_find_result (EvView *view)
5093 gint page = view->current_page;
5095 n_results = ev_view_find_get_n_results (view, page);
5097 if (n_results > 0 && view->find_result < n_results) {
5099 GdkRectangle view_rect;
5101 rect = ev_view_find_get_result (view, page, view->find_result);
5102 doc_rect_to_view_rect (view, page, rect, &view_rect);
5103 ensure_rectangle_is_visible (view, &view_rect);
5109 * @view: #EvView instance
5110 * @direction: Direction to look
5111 * @shift: Shift from current page
5113 * Jumps to the first page that has occurences of searched word.
5114 * Uses a direction where to look and a shift from current page.
5118 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
5122 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5124 for (i = 0; i < n_pages; i++) {
5127 if (direction == EV_VIEW_FIND_NEXT)
5128 page = view->current_page + i;
5130 page = view->current_page - i;
5133 if (page >= n_pages) {
5134 page = page - n_pages;
5135 } else if (page < 0)
5136 page = page + n_pages;
5138 if (ev_view_find_get_n_results (view, page) > 0) {
5139 ev_page_cache_set_current_page (view->page_cache, page);
5146 ev_view_find_changed (EvView *view, GList **results, gint page)
5148 view->find_pages = results;
5150 if (view->jump_to_find_result == TRUE) {
5151 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
5152 jump_to_find_result (view);
5155 if (view->current_page == page)
5156 gtk_widget_queue_draw (GTK_WIDGET (view));
5160 ev_view_find_next (EvView *view)
5164 n_results = ev_view_find_get_n_results (view, view->current_page);
5165 view->find_result++;
5167 if (view->find_result >= n_results) {
5168 view->find_result = 0;
5169 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
5170 jump_to_find_result (view);
5172 jump_to_find_result (view);
5173 gtk_widget_queue_draw (GTK_WIDGET (view));
5178 ev_view_find_previous (EvView *view)
5180 view->find_result--;
5182 if (view->find_result < 0) {
5183 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
5184 view->find_result = MAX (0, ev_view_find_get_n_results (view, view->current_page) - 1);
5185 jump_to_find_result (view);
5187 jump_to_find_result (view);
5188 gtk_widget_queue_draw (GTK_WIDGET (view));
5193 ev_view_find_search_changed (EvView *view)
5195 /* search string has changed, focus on new search result */
5196 view->jump_to_find_result = TRUE;
5197 view->find_pages = NULL;
5201 ev_view_find_set_highlight_search (EvView *view, gboolean value)
5203 view->highlight_find_results = value;
5204 gtk_widget_queue_draw (GTK_WIDGET (view));
5208 ev_view_find_cancel (EvView *view)
5210 view->find_pages = NULL;
5213 /*** Selections ***/
5215 /* compute_new_selection_rect/text calculates the area currently selected by
5216 * view_rect. each handles a different mode;
5219 compute_new_selection_rect (EvView *view,
5223 GdkRectangle view_rect;
5227 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
5229 view_rect.x = MIN (start->x, stop->x);
5230 view_rect.y = MIN (start->y, stop->y);
5231 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
5232 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
5234 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5236 for (i = 0; i < n_pages; i++) {
5237 GdkRectangle page_area;
5240 if (get_page_extents (view, i, &page_area, &border)) {
5241 GdkRectangle overlap;
5243 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
5244 EvViewSelection *selection;
5246 selection = g_new0 (EvViewSelection, 1);
5247 selection->page = i;
5248 view_rect_to_doc_rect (view, &overlap, &page_area,
5249 &(selection->rect));
5251 list = g_list_append (list, selection);
5260 gdk_rectangle_point_in (GdkRectangle *rectangle,
5263 return rectangle->x <= point->x &&
5264 rectangle->y <= point->y &&
5265 point->x < rectangle->x + rectangle->width &&
5266 point->y < rectangle->y + rectangle->height;
5270 compute_new_selection_text (EvView *view,
5271 EvSelectionStyle style,
5275 int n_pages, i, first, last;
5277 EvViewSelection *selection;
5279 int start_page, end_page;
5281 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
5283 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5285 /* First figure out the range of pages the selection
5289 if (view->continuous) {
5292 } else if (view->dual_page) {
5293 start_page = view->start_page;
5294 end_page = view->end_page + 1;
5296 start_page = view->current_page;
5297 end_page = view->current_page + 1;
5300 for (i = start_page; i < end_page; i++) {
5301 GdkRectangle page_area;
5304 get_page_extents (view, i, &page_area, &border);
5305 if (gdk_rectangle_point_in (&page_area, start) ||
5306 gdk_rectangle_point_in (&page_area, stop)) {
5307 if (first == n_pages)
5314 /* Now create a list of EvViewSelection's for the affected
5315 * pages. This could be an empty list, a list of just one
5316 * page or a number of pages.*/
5317 for (i = first; i < last + 1; i++) {
5318 GdkRectangle page_area;
5322 ev_page_cache_get_size (view->page_cache, i,
5324 1.0, &width, &height);
5326 selection = g_new0 (EvViewSelection, 1);
5327 selection->page = i;
5328 selection->style = style;
5329 selection->rect.x1 = selection->rect.y1 = 0;
5330 selection->rect.x2 = width;
5331 selection->rect.y2 = height;
5333 get_page_extents (view, i, &page_area, &border);
5335 if (gdk_rectangle_point_in (&page_area, start))
5341 view_point_to_doc_point (view, point, &page_area,
5342 &selection->rect.x1,
5343 &selection->rect.y1);
5345 /* If the selection is contained within just one page,
5346 * make sure we don't write 'start' into both points
5347 * in selection->rect. */
5352 view_point_to_doc_point (view, point, &page_area,
5353 &selection->rect.x2,
5354 &selection->rect.y2);
5356 list = g_list_append (list, selection);
5362 /* This function takes the newly calculated list, and figures out which regions
5363 * have changed. It then queues a redraw approporiately.
5366 merge_selection_region (EvView *view,
5370 GList *new_list_ptr, *old_list_ptr;
5372 /* Update the selection */
5373 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
5374 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5375 g_list_free (view->selection_info.selections);
5376 view->selection_info.selections = new_list;
5377 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
5378 g_object_notify (G_OBJECT (view), "has-selection");
5380 new_list_ptr = new_list;
5381 old_list_ptr = old_list;
5383 while (new_list_ptr || old_list_ptr) {
5384 EvViewSelection *old_sel, *new_sel;
5386 GdkRegion *region = NULL;
5388 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
5389 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
5391 /* Assume that the lists are in order, and we run through them
5392 * comparing them, one page at a time. We come out with the
5393 * first page we see. */
5394 if (new_sel && old_sel) {
5395 if (new_sel->page < old_sel->page) {
5396 new_list_ptr = new_list_ptr->next;
5398 } else if (new_sel->page > old_sel->page) {
5399 old_list_ptr = old_list_ptr->next;
5402 new_list_ptr = new_list_ptr->next;
5403 old_list_ptr = old_list_ptr->next;
5405 } else if (new_sel) {
5406 new_list_ptr = new_list_ptr->next;
5407 } else if (old_sel) {
5408 old_list_ptr = old_list_ptr->next;
5411 g_assert (new_sel || old_sel);
5413 /* is the page we're looking at on the screen?*/
5414 cur_page = new_sel ? new_sel->page : old_sel->page;
5415 if (cur_page < view->start_page || cur_page > view->end_page)
5418 /* seed the cache with a new page. We are going to need the new
5421 GdkRegion *tmp_region = NULL;
5423 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
5429 new_sel->covered_region = gdk_region_copy (tmp_region);
5433 /* Now we figure out what needs redrawing */
5434 if (old_sel && new_sel) {
5435 if (old_sel->covered_region && new_sel->covered_region) {
5436 /* We only want to redraw the areas that have
5437 * changed, so we xor the old and new regions
5438 * and redraw if it's different */
5439 region = gdk_region_copy (old_sel->covered_region);
5440 gdk_region_xor (region, new_sel->covered_region);
5441 if (gdk_region_empty (region)) {
5442 gdk_region_destroy (region);
5445 } else if (old_sel->covered_region) {
5446 region = gdk_region_copy (old_sel->covered_region);
5447 } else if (new_sel->covered_region) {
5448 region = gdk_region_copy (new_sel->covered_region);
5450 } else if (old_sel && !new_sel) {
5451 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
5452 region = gdk_region_copy (old_sel->covered_region);
5454 } else if (!old_sel && new_sel) {
5455 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
5456 region = gdk_region_copy (new_sel->covered_region);
5459 g_assert_not_reached ();
5462 /* Redraw the damaged region! */
5464 GdkRectangle page_area;
5467 /* I don't know why but the region is smaller
5468 * than expected. This hack fixes it, I guess
5469 * 10 pixels more won't hurt
5471 gdk_region_shrink (region, -5, -5);
5473 get_page_extents (view, cur_page, &page_area, &border);
5474 gdk_region_offset (region,
5475 page_area.x + border.left - view->scroll_x,
5476 page_area.y + border.top - view->scroll_y);
5477 gdk_window_invalidate_region (view->layout.bin_window, region, TRUE);
5478 gdk_region_destroy (region);
5482 /* Free the old list, now that we're done with it. */
5483 g_list_foreach (old_list, (GFunc) selection_free, NULL);
5484 g_list_free (old_list);
5488 compute_selections (EvView *view,
5489 EvSelectionStyle style,
5495 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
5496 list = compute_new_selection_rect (view, start, stop);
5498 list = compute_new_selection_text (view, style, start, stop);
5499 merge_selection_region (view, list);
5502 /* Free's the selection. It's up to the caller to queue redraws if needed.
5505 selection_free (EvViewSelection *selection)
5507 if (selection->covered_region)
5508 gdk_region_destroy (selection->covered_region);
5513 clear_selection (EvView *view)
5515 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5516 g_list_free (view->selection_info.selections);
5517 view->selection_info.selections = NULL;
5518 view->selection_info.in_selection = FALSE;
5519 if (view->pixbuf_cache)
5520 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
5521 g_object_notify (G_OBJECT (view), "has-selection");
5525 ev_view_select_all (EvView *view)
5527 GList *selections = NULL;
5530 /* Disable selection on rotated pages for the 0.4.0 series */
5531 if (view->rotation != 0)
5534 clear_selection (view);
5536 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5537 for (i = 0; i < n_pages; i++) {
5539 EvViewSelection *selection;
5541 ev_page_cache_get_size (view->page_cache,
5544 1.0, &width, &height);
5546 selection = g_new0 (EvViewSelection, 1);
5547 selection->page = i;
5548 selection->style = EV_SELECTION_STYLE_GLYPH;
5549 selection->rect.x1 = selection->rect.y1 = 0;
5550 selection->rect.x2 = width;
5551 selection->rect.y2 = height;
5553 selections = g_list_append (selections, selection);
5556 merge_selection_region (view, selections);
5557 gtk_widget_queue_draw (GTK_WIDGET (view));
5561 ev_view_get_has_selection (EvView *view)
5563 return view->selection_info.selections != NULL;
5567 get_selected_text (EvView *view)
5571 gchar *normalized_text;
5572 EvRenderContext *rc;
5574 text = g_string_new (NULL);
5575 rc = ev_render_context_new (NULL, view->rotation, view->scale);
5577 ev_document_doc_mutex_lock ();
5579 for (l = view->selection_info.selections; l != NULL; l = l->next) {
5580 EvViewSelection *selection = (EvViewSelection *)l->data;
5584 page = ev_document_get_page (view->document, selection->page);
5585 ev_render_context_set_page (rc, page);
5586 g_object_unref (page);
5588 tmp = ev_selection_get_selected_text (EV_SELECTION (view->document),
5589 rc, selection->style,
5590 &(selection->rect));
5592 g_string_append (text, tmp);
5596 g_object_unref (rc);
5598 ev_document_doc_mutex_unlock ();
5600 normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC);
5601 g_string_free (text, TRUE);
5602 return normalized_text;
5606 ev_view_clipboard_copy (EvView *view,
5609 GtkClipboard *clipboard;
5611 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
5612 GDK_SELECTION_CLIPBOARD);
5613 gtk_clipboard_set_text (clipboard, text, -1);
5617 ev_view_copy (EvView *ev_view)
5621 if (!EV_IS_SELECTION (ev_view->document))
5624 text = get_selected_text (ev_view);
5625 ev_view_clipboard_copy (ev_view, text);
5630 ev_view_primary_get_cb (GtkClipboard *clipboard,
5631 GtkSelectionData *selection_data,
5635 EvView *ev_view = EV_VIEW (data);
5637 if (ev_view->link_selected) {
5638 gtk_selection_data_set_text (selection_data,
5639 ev_link_action_get_uri (ev_view->link_selected),
5641 } else if (EV_IS_SELECTION (ev_view->document) &&
5642 ev_view->selection_info.selections) {
5645 text = get_selected_text (ev_view);
5647 gtk_selection_data_set_text (selection_data, text, -1);
5654 ev_view_primary_clear_cb (GtkClipboard *clipboard,
5657 EvView *view = EV_VIEW (data);
5659 clear_selection (view);
5660 clear_link_selected (view);
5664 ev_view_update_primary_selection (EvView *ev_view)
5666 GtkClipboard *clipboard;
5668 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
5669 GDK_SELECTION_PRIMARY);
5671 if (ev_view->selection_info.selections || ev_view->link_selected) {
5672 if (!gtk_clipboard_set_with_owner (clipboard,
5674 G_N_ELEMENTS (clipboard_targets),
5675 ev_view_primary_get_cb,
5676 ev_view_primary_clear_cb,
5677 G_OBJECT (ev_view)))
5678 ev_view_primary_clear_cb (clipboard, ev_view);
5680 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
5681 gtk_clipboard_clear (clipboard);
5686 clear_link_selected (EvView *view)
5688 if (view->link_selected) {
5689 g_object_unref (view->link_selected);
5690 view->link_selected = NULL;
5695 ev_view_copy_link_address (EvView *view,
5696 EvLinkAction *action)
5698 clear_link_selected (view);
5700 ev_view_clipboard_copy (view, ev_link_action_get_uri (action));
5702 view->link_selected = g_object_ref (action);
5703 ev_view_update_primary_selection (view);
5706 /*** Cursor operations ***/
5709 ev_view_create_invisible_cursor(void)
5712 GdkColor black = { 0, 0, 0, 0 };
5713 static char bits[] = { 0x00 };
5715 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
5717 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
5721 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
5723 GdkCursor *cursor = NULL;
5724 GdkDisplay *display;
5727 if (view->cursor == new_cursor) {
5731 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
5732 display = gtk_widget_get_display (widget);
5733 view->cursor = new_cursor;
5735 switch (new_cursor) {
5736 case EV_VIEW_CURSOR_NORMAL:
5737 gdk_window_set_cursor (view->layout.bin_window, NULL);
5739 case EV_VIEW_CURSOR_IBEAM:
5740 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
5742 case EV_VIEW_CURSOR_LINK:
5743 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
5745 case EV_VIEW_CURSOR_WAIT:
5746 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
5748 case EV_VIEW_CURSOR_HIDDEN:
5749 cursor = ev_view_create_invisible_cursor ();
5751 case EV_VIEW_CURSOR_DRAG:
5752 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
5754 case EV_VIEW_CURSOR_AUTOSCROLL:
5755 cursor = gdk_cursor_new_for_display (display, GDK_DOUBLE_ARROW);
5760 gdk_window_set_cursor (view->layout.bin_window, cursor);
5761 gdk_cursor_unref (cursor);
5767 ev_view_hide_cursor (EvView *view)
5769 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
5773 ev_view_show_cursor (EvView *view)
5775 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
5779 ev_view_reset_presentation_state (EvView *view)
5781 if (!view->presentation ||
5782 view->presentation_state == EV_PRESENTATION_NORMAL)
5785 view->presentation_state = EV_PRESENTATION_NORMAL;
5786 gdk_window_set_background (view->layout.bin_window,
5787 >K_WIDGET (view)->style->black);
5788 gtk_widget_queue_draw (GTK_WIDGET (view));
5792 ev_view_next_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_BLACK ||
5803 view->presentation_state == EV_PRESENTATION_WHITE)) {
5804 ev_view_reset_presentation_state (view);
5808 if (view->animation) {
5809 ev_view_transition_animation_cancel (view->animation, view);
5812 ev_view_presentation_transition_stop (view);
5813 ev_view_reset_presentation_state (view);
5815 page = ev_page_cache_get_current_page (view->page_cache);
5816 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5818 if (view->dual_page && !view->presentation)
5823 if (page < n_pages) {
5824 ev_page_cache_set_current_page (view->page_cache, page);
5826 } else if (view->presentation && page == n_pages) {
5827 view->presentation_state = EV_PRESENTATION_END;
5828 gtk_widget_queue_draw (GTK_WIDGET (view));
5830 } else if (view->dual_page && page == n_pages) {
5831 ev_page_cache_set_current_page (view->page_cache, page - 1);
5839 ev_view_previous_page (EvView *view)
5843 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5845 if (!view->page_cache)
5848 if (view->presentation &&
5849 view->presentation_state == EV_PRESENTATION_END) {
5850 ev_view_reset_presentation_state (view);
5854 if (view->presentation &&
5855 (view->presentation_state == EV_PRESENTATION_BLACK ||
5856 view->presentation_state == EV_PRESENTATION_WHITE)) {
5857 ev_view_reset_presentation_state (view);
5861 if (view->animation) {
5862 ev_view_transition_animation_cancel (view->animation, view);
5865 ev_view_reset_presentation_state (view);
5867 page = ev_page_cache_get_current_page (view->page_cache);
5869 if (view->dual_page && !view->presentation)
5875 ev_page_cache_set_current_page (view->page_cache, page);
5877 } else if (ev_view_get_dual_page (view) && page == -1) {
5878 ev_page_cache_set_current_page (view->page_cache, 0);
5885 /*** Enum description for usage in signal ***/
5888 ev_sizing_mode_get_type (void)
5890 static GType etype = 0;
5892 static const GEnumValue values[] = {
5893 { EV_SIZING_FIT_WIDTH, "EV_SIZING_FIT_WIDTH", "fit-width" },
5894 { EV_SIZING_BEST_FIT, "EV_SIZING_BEST_FIT", "best-fit" },
5895 { EV_SIZING_FREE, "EV_SIZING_FREE", "free" },
5898 etype = g_enum_register_static ("EvSizingMode", values);
5904 ev_view_update_view_size (EvView *view, GtkScrolledWindow * scrolled_window)
5907 GtkRequisition vsb_requisition;
5908 GtkRequisition hsb_requisition;
5909 int scrollbar_spacing;
5911 /* Calculate the width available for the content */
5912 width = GTK_WIDGET (scrolled_window)->allocation.width;
5913 height = GTK_WIDGET (scrolled_window)->allocation.height;
5915 if (gtk_scrolled_window_get_shadow_type (scrolled_window) == GTK_SHADOW_IN
5917 width -= 2 * GTK_WIDGET(view)->style->xthickness;
5918 height -= 2 * GTK_WIDGET(view)->style->ythickness;
5921 gtk_widget_size_request (scrolled_window->vscrollbar, &vsb_requisition);
5922 gtk_widget_size_request (scrolled_window->hscrollbar, &hsb_requisition);
5923 gtk_widget_style_get (GTK_WIDGET (scrolled_window),
5924 "scrollbar_spacing",
5928 if (EV_IS_VIEW(view)) {
5929 ev_view_set_zoom_for_size (EV_VIEW (view),
5932 vsb_requisition.width + scrollbar_spacing,
5933 hsb_requisition.height + scrollbar_spacing);