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 #if !GTK_CHECK_VERSION (2, 11, 7)
46 #include "ev-tooltip.h"
49 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
50 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
51 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
66 SIGNAL_BINDING_ACTIVATED,
85 TARGET_TEXT_BUFFER_CONTENTS
88 static const GtkTargetEntry clipboard_targets[] = {
89 { "STRING", 0, TARGET_STRING },
90 { "TEXT", 0, TARGET_TEXT },
91 { "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT },
92 { "UTF8_STRING", 0, TARGET_UTF8_STRING },
95 static const GtkTargetEntry view_drop_targets[] = {
96 { "text/uri-list", 0, 0 }
99 static guint signals[N_SIGNALS];
104 } EvViewFindDirection;
106 #define ZOOM_IN_FACTOR 1.2
107 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
109 #define MIN_SCALE 0.05409
110 #define MAX_SCALE 4.0
112 #define SCROLL_TIME 150
115 static void scroll_to_current_page (EvView *view,
116 GtkOrientation orientation);
117 static void ev_view_set_scroll_adjustments (GtkLayout *layout,
118 GtkAdjustment *hadjustment,
119 GtkAdjustment *vadjustment);
120 static void view_update_range_and_current_page (EvView *view);
121 static void set_scroll_adjustment (EvView *view,
122 GtkOrientation orientation,
123 GtkAdjustment *adjustment);
124 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
126 GdkModifierType modifiers,
128 gboolean horizontal);
129 static void ensure_rectangle_is_visible (EvView *view,
132 /*** Geometry computations ***/
133 static void compute_border (EvView *view,
137 static void get_page_y_offset (EvView *view,
141 static gboolean get_page_extents (EvView *view,
143 GdkRectangle *page_area,
145 static void view_rect_to_doc_rect (EvView *view,
146 GdkRectangle *view_rect,
147 GdkRectangle *page_area,
148 EvRectangle *doc_rect);
149 static void doc_rect_to_view_rect (EvView *view,
151 EvRectangle *doc_rect,
152 GdkRectangle *view_rect);
153 static void find_page_at_location (EvView *view,
159 static gboolean doc_point_to_view_point (EvView *view,
162 GdkPoint *view_point);
164 static EvLink * ev_view_get_link_at_location (EvView *view,
167 static char* tip_from_link (EvView *view,
170 static EvFormField *ev_view_get_form_field_at_location (EvView *view,
174 /*** GtkWidget implementation ***/
175 static void ev_view_size_request_continuous_dual_page (EvView *view,
176 GtkRequisition *requisition);
177 static void ev_view_size_request_continuous (EvView *view,
178 GtkRequisition *requisition);
179 static void ev_view_size_request_dual_page (EvView *view,
180 GtkRequisition *requisition);
181 static void ev_view_size_request_single_page (EvView *view,
182 GtkRequisition *requisition);
183 static void ev_view_size_request (GtkWidget *widget,
184 GtkRequisition *requisition);
185 static void ev_view_size_allocate (GtkWidget *widget,
186 GtkAllocation *allocation);
187 static void ev_view_realize (GtkWidget *widget);
188 static gboolean ev_view_scroll_event (GtkWidget *widget,
189 GdkEventScroll *event);
190 static gboolean ev_view_expose_event (GtkWidget *widget,
191 GdkEventExpose *event);
192 static gboolean ev_view_popup_menu (GtkWidget *widget);
193 static gboolean ev_view_button_press_event (GtkWidget *widget,
194 GdkEventButton *event);
195 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
196 GdkEventMotion *event);
197 static gboolean ev_view_button_release_event (GtkWidget *widget,
198 GdkEventButton *event);
199 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
200 GdkEventCrossing *event);
201 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
202 GdkEventCrossing *event);
203 static void ev_view_style_set (GtkWidget *widget,
204 GtkStyle *old_style);
205 static void ev_view_remove_all (EvView *view);
207 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
210 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
211 static void draw_rubberband (GtkWidget *widget,
213 const GdkRectangle *rect,
215 static void highlight_find_results (EvView *view,
217 static void draw_one_page (EvView *view,
220 GdkRectangle *page_area,
222 GdkRectangle *expose_area,
223 gboolean *page_ready);
224 static void draw_loading_text (EvView *view,
225 GdkRectangle *page_area,
226 GdkRectangle *expose_area);
229 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
232 static void page_changed_cb (EvPageCache *page_cache,
235 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
239 static void ev_view_finalize (GObject *object);
240 static void ev_view_destroy (GtkObject *object);
241 static void ev_view_set_property (GObject *object,
245 static void ev_view_get_property (GObject *object,
249 static void ev_view_class_init (EvViewClass *class);
250 static void ev_view_init (EvView *view);
252 /*** Zoom and sizing ***/
253 static double zoom_for_size_fit_width (int doc_width,
258 static double zoom_for_size_fit_height (int doc_width,
263 static double zoom_for_size_best_fit (int doc_width,
269 static void ev_view_zoom_for_size_presentation (EvView *view,
272 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
277 static void ev_view_zoom_for_size_continuous (EvView *view,
282 static void ev_view_zoom_for_size_dual_page (EvView *view,
287 static void ev_view_zoom_for_size_single_page (EvView *view,
293 static GdkCursor* ev_view_create_invisible_cursor (void);
294 static void ev_view_set_cursor (EvView *view,
295 EvViewCursor new_cursor);
296 static void ev_view_handle_cursor_over_xy (EvView *view,
301 static gint ev_view_find_get_n_results (EvView *view,
303 static EvRectangle *ev_view_find_get_result (EvView *view,
306 static void jump_to_find_result (EvView *view);
307 static void jump_to_find_page (EvView *view,
308 EvViewFindDirection direction,
312 static void compute_selections (EvView *view,
313 EvSelectionStyle style,
316 static void clear_selection (EvView *view);
317 static void clear_link_selected (EvView *view);
318 static void selection_free (EvViewSelection *selection);
319 static char* get_selected_text (EvView *ev_view);
320 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
321 GtkSelectionData *selection_data,
324 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
326 static void ev_view_update_primary_selection (EvView *ev_view);
328 /*** Presentation ***/
329 static void ev_view_presentation_transition_start (EvView *ev_view);
330 static void ev_view_presentation_transition_stop (EvView *ev_view);
333 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_LAYOUT)
336 scroll_to_current_page (EvView *view, GtkOrientation orientation)
340 if (view->document == NULL) {
344 doc_point_to_view_point (view, view->current_page, &view->pending_point, &view_point);
346 if (orientation == GTK_ORIENTATION_VERTICAL) {
347 view->pending_point.y = 0;
349 view->pending_point.x = 0;
352 if (orientation == GTK_ORIENTATION_VERTICAL) {
353 if (view->continuous) {
354 gtk_adjustment_clamp_page (view->vadjustment,
355 view_point.y - view->spacing / 2,
356 view_point.y + view->vadjustment->page_size);
358 gtk_adjustment_set_value (view->vadjustment,
360 view->vadjustment->lower,
361 view->vadjustment->upper -
362 view->vadjustment->page_size));
365 if (view->dual_page) {
366 gtk_adjustment_clamp_page (view->hadjustment,
368 view_point.x + view->hadjustment->page_size);
370 gtk_adjustment_set_value (view->hadjustment,
372 view->hadjustment->lower,
373 view->hadjustment->upper -
374 view->hadjustment->page_size));
380 view_set_adjustment_values (EvView *view,
381 GtkOrientation orientation)
383 GtkWidget *widget = GTK_WIDGET (view);
384 GtkAdjustment *adjustment;
391 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
392 requisition = widget->requisition.width;
393 allocation = widget->allocation.width;
394 adjustment = view->hadjustment;
396 requisition = widget->requisition.height;
397 allocation = widget->allocation.height;
398 adjustment = view->vadjustment;
405 switch (view->pending_scroll) {
406 case SCROLL_TO_KEEP_POSITION:
407 case SCROLL_TO_FIND_LOCATION:
408 factor = (adjustment->value) / adjustment->upper;
410 case SCROLL_TO_PAGE_POSITION:
412 case SCROLL_TO_CENTER:
413 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
417 adjustment->page_size = allocation;
418 adjustment->step_increment = allocation * 0.1;
419 adjustment->page_increment = allocation * 0.9;
420 adjustment->lower = 0;
421 adjustment->upper = MAX (allocation, requisition);
424 * We add 0.5 to the values before to average out our rounding errors.
426 switch (view->pending_scroll) {
427 case SCROLL_TO_KEEP_POSITION:
428 case SCROLL_TO_FIND_LOCATION:
429 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
430 gtk_adjustment_set_value (adjustment, (int)new_value);
432 case SCROLL_TO_PAGE_POSITION:
433 scroll_to_current_page (view, orientation);
435 case SCROLL_TO_CENTER:
436 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
437 0, adjustment->upper - adjustment->page_size);
438 gtk_adjustment_set_value (adjustment, (int)new_value);
442 gtk_adjustment_changed (adjustment);
446 view_update_range_and_current_page (EvView *view)
449 gint best_current_page = -1;
451 /* Presentation trumps all other modes */
452 if (view->presentation) {
453 view->start_page = view->current_page;
454 view->end_page = view->current_page;
455 } else if (view->continuous) {
456 GdkRectangle current_area, unused, page_area;
458 gboolean found = FALSE;
459 gint area_max = -1, area;
462 if (!(view->vadjustment && view->hadjustment))
465 current_area.x = view->hadjustment->value;
466 current_area.width = view->hadjustment->upper;
467 current_area.y = view->vadjustment->value;
468 current_area.height = view->vadjustment->page_size;
470 for (i = 0; i < ev_page_cache_get_n_pages (view->page_cache); i++) {
472 get_page_extents (view, i, &page_area, &border);
474 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
475 area = unused.width * unused.height;
479 view->start_page = i;
481 best_current_page = i;
483 if (area > area_max) {
484 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
489 } else if (found && view->current_page <= view->end_page) {
494 } else if (view->dual_page) {
495 if (view->current_page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) {
496 view->start_page = view->current_page;
497 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache))
498 view->end_page = view->start_page + 1;
500 view->end_page = view->start_page;
502 if (view->current_page < 1)
503 view->start_page = view->current_page;
505 view->start_page = view->current_page - 1;
506 view->end_page = view->current_page;
509 view->start_page = view->current_page;
510 view->end_page = view->current_page;
513 best_current_page = MAX (best_current_page, view->start_page);
514 current_page = ev_page_cache_get_current_page (view->page_cache);
516 if ((current_page != best_current_page) && (view->pending_scroll == SCROLL_TO_KEEP_POSITION)) {
517 view->current_page = best_current_page;
518 ev_page_cache_set_current_page (view->page_cache, best_current_page);
521 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
526 view->selection_info.selections);
530 set_scroll_adjustment (EvView *view,
531 GtkOrientation orientation,
532 GtkAdjustment *adjustment)
534 GtkAdjustment **to_set;
536 if (orientation == GTK_ORIENTATION_HORIZONTAL)
537 to_set = &view->hadjustment;
539 to_set = &view->vadjustment;
541 if (*to_set != adjustment) {
543 g_signal_handlers_disconnect_by_func (*to_set,
544 (gpointer) on_adjustment_value_changed,
546 g_object_unref (*to_set);
549 *to_set = adjustment;
550 view_set_adjustment_values (view, orientation);
553 g_object_ref (*to_set);
554 g_signal_connect (*to_set, "value_changed",
555 G_CALLBACK (on_adjustment_value_changed), view);
561 ev_view_set_scroll_adjustments (GtkLayout *layout,
562 GtkAdjustment *hadjustment,
563 GtkAdjustment *vadjustment)
565 EvView *view = EV_VIEW (layout);
567 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
568 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
570 on_adjustment_value_changed (NULL, view);
574 add_scroll_binding_keypad (GtkBindingSet *binding_set,
576 GdkModifierType modifiers,
580 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
582 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
583 "binding_activated", 2,
584 EV_TYPE_SCROLL_TYPE, scroll,
585 G_TYPE_BOOLEAN, horizontal);
586 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
587 "binding_activated", 2,
588 EV_TYPE_SCROLL_TYPE, scroll,
589 G_TYPE_BOOLEAN, horizontal);
593 ev_view_scroll (EvView *view,
597 GtkAdjustment *adjustment;
598 double value, increment;
599 gboolean first_page = FALSE;
600 gboolean last_page = FALSE;
602 view->jump_to_find_result = FALSE;
604 if (view->presentation || view->sizing_mode == EV_SIZING_BEST_FIT) {
606 case EV_SCROLL_PAGE_BACKWARD:
607 case EV_SCROLL_STEP_BACKWARD:
608 ev_view_previous_page (view);
610 case EV_SCROLL_PAGE_FORWARD:
611 case EV_SCROLL_STEP_FORWARD:
612 ev_view_next_page (view);
620 /* Assign values for increment and vertical adjustment */
621 adjustment = horizontal ? view->hadjustment : view->vadjustment;
622 increment = adjustment->page_size * 0.75;
623 value = adjustment->value;
625 /* Assign boolean for first and last page */
626 if (view->current_page == 0)
628 if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1)
632 case EV_SCROLL_PAGE_BACKWARD:
633 /* Do not jump backwards if at the first page */
634 if (value == (adjustment->lower) && first_page) {
636 /* At the top of a page, assign the upper bound limit of previous page */
637 } else if (value == (adjustment->lower)) {
638 value = adjustment->upper - adjustment->page_size;
639 ev_view_previous_page (view);
640 /* Jump to the top */
642 value = MAX (value - increment, adjustment->lower);
645 case EV_SCROLL_PAGE_FORWARD:
646 /* Do not jump forward if at the last page */
647 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
649 /* At the bottom of a page, assign the lower bound limit of next page */
650 } else if (value == (adjustment->upper - adjustment->page_size)) {
652 ev_view_next_page (view);
653 /* Jump to the bottom */
655 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
658 case EV_SCROLL_STEP_BACKWARD:
659 value -= adjustment->step_increment;
661 case EV_SCROLL_STEP_FORWARD:
662 value += adjustment->step_increment;
664 case EV_SCROLL_STEP_DOWN:
665 value -= adjustment->step_increment / 10;
667 case EV_SCROLL_STEP_UP:
668 value += adjustment->step_increment / 10;
674 value = CLAMP (value, adjustment->lower,
675 adjustment->upper - adjustment->page_size);
677 gtk_adjustment_set_value (adjustment, value);
683 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
685 GtkWidget *widget = GTK_WIDGET (view);
686 GtkAdjustment *adjustment;
689 view->pending_scroll = SCROLL_TO_FIND_LOCATION;
691 adjustment = view->vadjustment;
693 if (rect->y < adjustment->value) {
694 value = MAX (adjustment->lower, rect->y - MARGIN);
695 gtk_adjustment_set_value (view->vadjustment, value);
696 } else if (rect->y + rect->height >
697 adjustment->value + widget->allocation.height) {
698 value = MIN (adjustment->upper, rect->y + rect->height -
699 widget->allocation.height + MARGIN);
700 gtk_adjustment_set_value (view->vadjustment, value);
703 adjustment = view->hadjustment;
705 if (rect->x < adjustment->value) {
706 value = MAX (adjustment->lower, rect->x - MARGIN);
707 gtk_adjustment_set_value (view->hadjustment, value);
708 } else if (rect->x + rect->height >
709 adjustment->value + widget->allocation.width) {
710 value = MIN (adjustment->upper, rect->x + rect->width -
711 widget->allocation.width + MARGIN);
712 gtk_adjustment_set_value (view->hadjustment, value);
715 gtk_widget_queue_resize (GTK_WIDGET (view));
718 /*** Geometry computations ***/
721 compute_border (EvView *view, int width, int height, GtkBorder *border)
723 if (view->presentation) {
729 ev_document_misc_get_page_border_size (width, height, border);
734 get_page_y_offset (EvView *view, int page, double zoom, int *y_offset)
736 int max_width, offset;
739 g_return_if_fail (y_offset != NULL);
741 ev_page_cache_get_max_width (view->page_cache, view->rotation, zoom, &max_width);
743 compute_border (view, max_width, max_width, &border);
745 if (view->dual_page) {
746 ev_page_cache_get_height_to_page (view->page_cache, page,
747 view->rotation, zoom, NULL, &offset);
748 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);
750 ev_page_cache_get_height_to_page (view->page_cache, page,
751 view->rotation, zoom, &offset, NULL);
752 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
760 get_page_extents (EvView *view,
762 GdkRectangle *page_area,
768 widget = GTK_WIDGET (view);
770 /* Get the size of the page */
771 ev_page_cache_get_size (view->page_cache, page,
775 compute_border (view, width, height, border);
776 page_area->width = width + border->left + border->right;
777 page_area->height = height + border->top + border->bottom;
779 if (view->presentation) {
780 page_area->x = (MAX (0, widget->allocation.width - width))/2;
781 page_area->y = (MAX (0, widget->allocation.height - height))/2;
782 } else if (view->continuous) {
786 ev_page_cache_get_max_width (view->page_cache, view->rotation,
787 view->scale, &max_width);
788 max_width = max_width + border->left + border->right;
789 /* Get the location of the bounding box */
790 if (view->dual_page) {
791 x = view->spacing + ((page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? 0 : 1) * (max_width + view->spacing);
792 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
793 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
794 x = x + (max_width - width - border->left - border->right);
797 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
800 get_page_y_offset (view, page, view->scale, &y);
806 if (view->dual_page) {
807 gint width_2, height_2;
808 gint max_width = width;
809 gint max_height = height;
810 GtkBorder overall_border;
813 other_page = (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? page + 1: page - 1;
815 /* First, we get the bounding box of the two pages */
816 if (other_page < ev_page_cache_get_n_pages (view->page_cache)
817 && (0 <= other_page)) {
818 ev_page_cache_get_size (view->page_cache,
822 &width_2, &height_2);
825 if (height_2 > height)
826 max_height = height_2;
828 compute_border (view, max_width, max_height, &overall_border);
830 /* Find the offsets */
834 /* Adjust for being the left or right page */
835 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
836 x = x + max_width - width;
838 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
840 y = y + (max_height - height)/2;
842 /* Adjust for extra allocation */
843 x = x + MAX (0, widget->allocation.width -
844 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
845 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
850 /* Adjust for extra allocation */
851 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
852 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
863 view_point_to_doc_point (EvView *view,
864 GdkPoint *view_point,
865 GdkRectangle *page_area,
869 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
870 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
874 view_rect_to_doc_rect (EvView *view,
875 GdkRectangle *view_rect,
876 GdkRectangle *page_area,
877 EvRectangle *doc_rect)
879 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
880 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
881 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
882 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
886 doc_point_to_view_point (EvView *view,
889 GdkPoint *view_point)
891 GdkRectangle page_area;
893 double x, y, view_x, view_y;
896 ev_page_cache_get_size (view->page_cache, page,
901 if (view->rotation == 0) {
904 } else if (view->rotation == 90) {
905 x = width - doc_point->y;
907 } else if (view->rotation == 180) {
908 x = width - doc_point->x;
909 y = height - doc_point->y;
910 } else if (view->rotation == 270) {
912 y = height - doc_point->x;
914 g_assert_not_reached ();
917 get_page_extents (view, page, &page_area, &border);
919 view_x = x * view->scale;
920 view_y = y * view->scale;
921 view_point->x = view_x + page_area.x;
922 view_point->y = view_y + page_area.y;
924 return (view_x > 0 && view_x <= page_area.width &&
925 view_y > 0 && view_y <= page_area.height);
929 doc_rect_to_view_rect (EvView *view,
931 EvRectangle *doc_rect,
932 GdkRectangle *view_rect)
934 GdkRectangle page_area;
939 ev_page_cache_get_size (view->page_cache, page,
944 if (view->rotation == 0) {
947 w = doc_rect->x2 - doc_rect->x1;
948 h = doc_rect->y2 - doc_rect->y1;
949 } else if (view->rotation == 90) {
950 x = width - doc_rect->y2;
952 w = doc_rect->y2 - doc_rect->y1;
953 h = doc_rect->x2 - doc_rect->x1;
954 } else if (view->rotation == 180) {
955 x = width - doc_rect->x2;
956 y = height - doc_rect->y2;
957 w = doc_rect->x2 - doc_rect->x1;
958 h = doc_rect->y2 - doc_rect->y1;
959 } else if (view->rotation == 270) {
961 y = height - doc_rect->x2;
962 w = doc_rect->y2 - doc_rect->y1;
963 h = doc_rect->x2 - doc_rect->x1;
965 g_assert_not_reached ();
968 get_page_extents (view, page, &page_area, &border);
970 view_rect->x = x * view->scale + page_area.x;
971 view_rect->y = y * view->scale + page_area.y;
972 view_rect->width = w * view->scale;
973 view_rect->height = h * view->scale;
977 find_page_at_location (EvView *view,
986 if (view->document == NULL)
993 for (i = view->start_page; i <= view->end_page; i++) {
994 GdkRectangle page_area;
997 if (! get_page_extents (view, i, &page_area, &border))
1000 if ((x >= page_area.x + border.left) &&
1001 (x < page_area.x + page_area.width - border.right) &&
1002 (y >= page_area.y + border.top) &&
1003 (y < page_area.y + page_area.height - border.bottom)) {
1005 *x_offset = x - (page_area.x + border.left);
1006 *y_offset = y - (page_area.y + border.top);
1015 location_in_text (EvView *view,
1021 gint x_offset = 0, y_offset = 0;
1023 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1028 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
1031 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1037 ev_view_get_width (EvView *view)
1039 return GTK_WIDGET (view)->allocation.width;
1043 ev_view_get_height (EvView *view)
1045 return GTK_WIDGET (view)->allocation.height;
1049 location_in_selected_text (EvView *view,
1054 gint x_offset = 0, y_offset = 0;
1055 EvViewSelection *selection;
1058 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1059 selection = (EvViewSelection *)l->data;
1061 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1063 if (page != selection->page)
1066 if (selection->covered_region &&
1067 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1075 get_doc_point_from_offset (EvView *view,
1085 ev_page_cache_get_size (view->page_cache, page,
1090 x_offset = x_offset / view->scale;
1091 y_offset = y_offset / view->scale;
1093 if (view->rotation == 0) {
1096 } else if (view->rotation == 90) {
1098 y = width - x_offset;
1099 } else if (view->rotation == 180) {
1100 x = width - x_offset;
1101 y = height - y_offset;
1102 } else if (view->rotation == 270) {
1103 x = height - y_offset;
1106 g_assert_not_reached ();
1117 ev_view_get_link_at_location (EvView *view,
1122 gint x_offset = 0, y_offset = 0;
1123 gint x_new = 0, y_new = 0;
1124 GList *link_mapping;
1126 if (!EV_IS_DOCUMENT_LINKS (view->document))
1129 x += view->scroll_x;
1130 y += view->scroll_y;
1132 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1138 if (get_doc_point_from_offset (view, page, x_offset,
1139 y_offset, &x_new, &y_new) == FALSE)
1142 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1145 return ev_link_mapping_find (link_mapping, x_new, y_new);
1151 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1154 gdouble zoom, left, top;
1155 gboolean change_left, change_top;
1157 left = ev_link_dest_get_left (dest, &change_left);
1158 top = ev_link_dest_get_top (dest, &change_top);
1160 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - left,
1161 ev_link_dest_get_bottom (dest) - top,
1162 ev_view_get_width (view),
1163 ev_view_get_height (view), 0, 0);
1165 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1166 ev_view_set_zoom (view, zoom, FALSE);
1168 doc_point.x = change_left ? left : 0;
1169 doc_point.y = change_top ? top : 0;
1171 view->current_page = ev_link_dest_get_page (dest);
1172 if (change_left || change_top)
1173 view->pending_point = doc_point;
1174 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1176 gtk_widget_queue_resize (GTK_WIDGET (view));
1180 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1183 int doc_width, doc_height, page;
1185 gboolean change_left;
1187 page = ev_link_dest_get_page (dest);
1188 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1190 left = ev_link_dest_get_left (dest, &change_left);
1191 doc_point.x = change_left ? left : 0;
1194 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1195 ev_view_get_width (view),
1196 ev_view_get_height (view), 0);
1198 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1199 ev_view_set_zoom (view, zoom, FALSE);
1201 view->current_page = page;
1203 view->pending_point = doc_point;
1204 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1206 gtk_widget_queue_resize (GTK_WIDGET (view));
1210 goto_fith_dest (EvView *view, EvLinkDest *dest)
1213 int doc_width, doc_height, page;
1215 gboolean change_top;
1217 page = ev_link_dest_get_page (dest);
1218 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1220 top = ev_link_dest_get_top (dest, &change_top);
1223 doc_point.y = change_top ? top : 0;
1225 zoom = zoom_for_size_fit_width (doc_width, top,
1226 ev_view_get_width (view),
1227 ev_view_get_height (view), 0);
1229 ev_view_set_sizing_mode (view, EV_SIZING_FIT_WIDTH);
1230 ev_view_set_zoom (view, zoom, FALSE);
1232 view->current_page = page;
1234 view->pending_point = doc_point;
1235 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1237 gtk_widget_queue_resize (GTK_WIDGET (view));
1241 goto_fit_dest (EvView *view, EvLinkDest *dest)
1244 int doc_width, doc_height;
1247 page = ev_link_dest_get_page (dest);
1248 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1250 zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view),
1251 ev_view_get_height (view), 0, 0);
1253 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
1254 ev_view_set_zoom (view, zoom, FALSE);
1256 view->current_page = page;
1257 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1259 gtk_widget_queue_resize (GTK_WIDGET (view));
1263 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1267 gdouble zoom, left, top;
1268 gboolean change_zoom, change_left, change_top;
1270 zoom = ev_link_dest_get_zoom (dest, &change_zoom);
1271 page = ev_link_dest_get_page (dest);
1273 if (change_zoom && zoom > 1) {
1274 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1275 ev_view_set_zoom (view, zoom, FALSE);
1278 left = ev_link_dest_get_left (dest, &change_left);
1279 top = ev_link_dest_get_top (dest, &change_top);
1281 doc_point.x = change_left ? left : 0;
1282 doc_point.y = change_top ? top : 0;
1284 view->current_page = page;
1285 if (change_left || change_top)
1286 view->pending_point = doc_point;
1287 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1289 gtk_widget_queue_resize (GTK_WIDGET (view));
1293 goto_dest (EvView *view, EvLinkDest *dest)
1295 EvLinkDestType type;
1296 int page, n_pages, current_page;
1298 page = ev_link_dest_get_page (dest);
1299 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1301 if (page < 0 || page >= n_pages)
1304 current_page = view->current_page;
1306 type = ev_link_dest_get_dest_type (dest);
1309 case EV_LINK_DEST_TYPE_PAGE:
1310 ev_page_cache_set_current_page (view->page_cache, page);
1312 case EV_LINK_DEST_TYPE_FIT:
1313 goto_fit_dest (view, dest);
1315 case EV_LINK_DEST_TYPE_FITH:
1316 goto_fith_dest (view, dest);
1318 case EV_LINK_DEST_TYPE_FITV:
1319 goto_fitv_dest (view, dest);
1321 case EV_LINK_DEST_TYPE_FITR:
1322 goto_fitr_dest (view, dest);
1324 case EV_LINK_DEST_TYPE_XYZ:
1325 goto_xyz_dest (view, dest);
1327 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1328 ev_page_cache_set_page_label (view->page_cache, ev_link_dest_get_page_label (dest));
1331 g_assert_not_reached ();
1334 if (current_page != view->current_page)
1335 ev_page_cache_set_current_page (view->page_cache,
1336 view->current_page);
1340 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1342 EvLinkDestType type;
1344 type = ev_link_dest_get_dest_type (dest);
1346 if (type == EV_LINK_DEST_TYPE_NAMED) {
1348 const gchar *named_dest;
1350 named_dest = ev_link_dest_get_named_dest (dest);
1351 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1354 goto_dest (view, dest2);
1355 g_object_unref (dest2);
1361 goto_dest (view, dest);
1365 ev_view_handle_link (EvView *view, EvLink *link)
1367 EvLinkAction *action = NULL;
1368 EvLinkActionType type;
1370 action = ev_link_get_action (link);
1374 type = ev_link_action_get_action_type (action);
1377 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1380 g_signal_emit (view, signals[SIGNAL_HANDLE_LINK], 0, link);
1382 dest = ev_link_action_get_dest (action);
1383 ev_view_goto_dest (view, dest);
1386 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1387 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1388 case EV_LINK_ACTION_TYPE_LAUNCH:
1389 case EV_LINK_ACTION_TYPE_NAMED:
1390 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1396 ev_view_page_label_from_dest (EvView *view, EvLinkDest *dest)
1398 EvLinkDestType type;
1401 type = ev_link_dest_get_dest_type (dest);
1404 case EV_LINK_DEST_TYPE_NAMED: {
1406 const gchar *named_dest;
1408 named_dest = ev_link_dest_get_named_dest (dest);
1409 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1412 msg = ev_page_cache_get_page_label (view->page_cache,
1413 ev_link_dest_get_page (dest2));
1414 g_object_unref (dest2);
1419 case EV_LINK_DEST_TYPE_PAGE_LABEL: {
1420 msg = g_strdup (ev_link_dest_get_page_label (dest));
1424 msg = ev_page_cache_get_page_label (view->page_cache,
1425 ev_link_dest_get_page (dest));
1432 tip_from_action_named (EvLinkAction *action)
1434 const gchar *name = ev_link_action_get_name (action);
1436 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1437 return g_strdup (_("Go to first page"));
1438 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1439 return g_strdup (_("Go to previous page"));
1440 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1441 return g_strdup (_("Go to next page"));
1442 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1443 return g_strdup (_("Go to last page"));
1444 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1445 return g_strdup (_("Go to page"));
1446 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1447 return g_strdup (_("Find"));
1454 tip_from_link (EvView *view, EvLink *link)
1456 EvLinkAction *action;
1457 EvLinkActionType type;
1462 action = ev_link_get_action (link);
1463 title = ev_link_get_title (link);
1466 return title ? g_strdup (title) : NULL;
1468 type = ev_link_action_get_action_type (action);
1471 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1472 page_label = ev_view_page_label_from_dest (view,
1473 ev_link_action_get_dest (action));
1475 msg = g_strdup_printf (_("Go to page %s"), page_label);
1476 g_free (page_label);
1479 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1481 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1482 ev_link_action_get_filename (action));
1484 msg = g_strdup_printf (_("Go to file “%s”"),
1485 ev_link_action_get_filename (action));
1488 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1489 msg = g_strdup (ev_link_action_get_uri (action));
1491 case EV_LINK_ACTION_TYPE_LAUNCH:
1492 msg = g_strdup_printf (_("Launch %s"),
1493 ev_link_action_get_filename (action));
1495 case EV_LINK_ACTION_TYPE_NAMED:
1496 msg = tip_from_action_named (action);
1500 msg = g_strdup (title);
1508 ev_view_handle_cursor_over_xy (EvView *view, gint x, gint y)
1513 if (view->cursor == EV_VIEW_CURSOR_HIDDEN)
1516 if (view->drag_info.in_drag) {
1517 if (view->cursor != EV_VIEW_CURSOR_DRAG)
1518 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1522 if (view->scroll_info.autoscrolling) {
1523 if (view->cursor != EV_VIEW_CURSOR_AUTOSCROLL)
1524 ev_view_set_cursor (view, EV_VIEW_CURSOR_AUTOSCROLL);
1528 link = ev_view_get_link_at_location (view, x, y);
1530 #if !GTK_CHECK_VERSION (2, 11, 7)
1531 if (view->link_tooltip == NULL) {
1532 view->link_tooltip = ev_tooltip_new (GTK_WIDGET (view));
1535 if (view->hovered_link != link) {
1536 view->hovered_link = link;
1537 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
1542 #if GTK_CHECK_VERSION (2, 11, 7)
1543 g_object_set (view, "has-tooltip", TRUE, NULL);
1545 char *msg = tip_from_link (view, link);
1547 if (msg && g_utf8_validate (msg, -1, NULL)) {
1548 EvTooltip *tooltip = EV_TOOLTIP (view->link_tooltip);
1550 ev_tooltip_set_position (tooltip, x, y);
1551 ev_tooltip_set_text (tooltip, msg);
1552 ev_tooltip_activate (tooltip);
1556 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1557 } else if ((field = ev_view_get_form_field_at_location (view, x, y))) {
1558 if (field->is_read_only) {
1559 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1560 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1561 view->cursor == EV_VIEW_CURSOR_DRAG)
1562 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1563 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
1564 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1566 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1568 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1569 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1571 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1572 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1573 view->cursor == EV_VIEW_CURSOR_DRAG ||
1574 view->cursor == EV_VIEW_CURSOR_AUTOSCROLL)
1575 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1581 ev_view_get_image_at_location (EvView *view,
1586 gint x_offset = 0, y_offset = 0;
1587 gint x_new = 0, y_new = 0;
1588 GList *image_mapping;
1590 if (!EV_IS_DOCUMENT_IMAGES (view->document))
1593 x += view->scroll_x;
1594 y += view->scroll_y;
1596 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1601 if (get_doc_point_from_offset (view, page, x_offset,
1602 y_offset, &x_new, &y_new) == FALSE)
1605 image_mapping = ev_pixbuf_cache_get_image_mapping (view->pixbuf_cache, page);
1608 return ev_image_mapping_find (image_mapping, x_new, y_new);
1614 static EvFormField *
1615 ev_view_get_form_field_at_location (EvView *view,
1620 gint x_offset = 0, y_offset = 0;
1621 gint x_new = 0, y_new = 0;
1622 GList *forms_mapping;
1624 if (!EV_IS_DOCUMENT_FORMS (view->document))
1627 x += view->scroll_x;
1628 y += view->scroll_y;
1630 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1635 if (get_doc_point_from_offset (view, page, x_offset,
1636 y_offset, &x_new, &y_new) == FALSE)
1639 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, page);
1642 return ev_form_field_mapping_find (forms_mapping, x_new, y_new);
1648 ev_view_form_field_get_region (EvView *view,
1651 EvRectangle field_area;
1652 GdkRectangle view_area;
1653 GList *forms_mapping;
1655 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
1656 field->page->index);
1657 ev_form_field_mapping_get_area (forms_mapping, field, &field_area);
1658 doc_rect_to_view_rect (view, field->page->index, &field_area, &view_area);
1659 view_area.x -= view->scroll_x;
1660 view_area.y -= view->scroll_y;
1662 return gdk_region_rectangle (&view_area);
1666 ev_view_forms_remove_widgets (EvView *view)
1668 ev_view_remove_all (view);
1674 ev_view_form_field_destroy (GtkWidget *widget,
1677 g_idle_add ((GSourceFunc)ev_view_forms_remove_widgets, view);
1681 ev_view_form_field_button_create_widget (EvView *view,
1684 EvFormFieldButton *field_button = EV_FORM_FIELD_BUTTON (field);
1685 GdkRegion *field_region = NULL;
1687 switch (field_button->type) {
1688 case EV_FORM_FIELD_BUTTON_PUSH:
1690 case EV_FORM_FIELD_BUTTON_CHECK:
1691 case EV_FORM_FIELD_BUTTON_RADIO: {
1693 GList *forms_mapping, *l;
1695 state = ev_document_forms_form_field_button_get_state (EV_DOCUMENT_FORMS (view->document),
1698 /* FIXME: it actually depends on NoToggleToOff flags */
1699 if (field_button->type == EV_FORM_FIELD_BUTTON_RADIO &&
1700 state && field_button->state)
1703 field_region = ev_view_form_field_get_region (view, field);
1705 /* For radio buttons and checkbox buttons that are in a set
1706 * we need to update also the region for the current selected item
1708 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
1709 field->page->index);
1710 for (l = forms_mapping; l; l = g_list_next (l)) {
1711 EvFormField *button = ((EvFormFieldMapping *)(l->data))->field;
1712 GdkRegion *button_region;
1714 if (button->id == field->id)
1717 /* FIXME: only buttons in the same group should be updated */
1718 if (!EV_IS_FORM_FIELD_BUTTON (button) ||
1719 EV_FORM_FIELD_BUTTON (button)->type != field_button->type ||
1720 EV_FORM_FIELD_BUTTON (button)->state != TRUE)
1723 button_region = ev_view_form_field_get_region (view, button);
1724 gdk_region_union (field_region, button_region);
1725 gdk_region_destroy (button_region);
1728 ev_document_forms_form_field_button_set_state (EV_DOCUMENT_FORMS (view->document),
1730 field_button->state = !state;
1735 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
1740 gdk_region_destroy (field_region);
1746 ev_view_form_field_text_save (EvView *view,
1751 if (!view->document)
1754 field = g_object_get_data (G_OBJECT (widget), "form-field");
1756 if (field->changed) {
1757 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1758 GdkRegion *field_region;
1760 field_region = ev_view_form_field_get_region (view, field);
1762 ev_document_forms_form_field_text_set_text (EV_DOCUMENT_FORMS (view->document),
1763 field, field_text->text);
1764 field->changed = FALSE;
1765 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
1770 gdk_region_destroy (field_region);
1775 ev_view_form_field_text_changed (GtkWidget *widget,
1778 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1781 if (GTK_IS_ENTRY (widget)) {
1782 text = g_strdup (gtk_entry_get_text (GTK_ENTRY (widget)));
1783 } else if (GTK_IS_TEXT_BUFFER (widget)) {
1784 GtkTextIter start, end;
1786 gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (widget), &start, &end);
1787 text = gtk_text_buffer_get_text (GTK_TEXT_BUFFER (widget),
1788 &start, &end, FALSE);
1791 if (!field_text->text ||
1792 (field_text->text && g_ascii_strcasecmp (field_text->text, text) != 0)) {
1793 g_free (field_text->text);
1794 field_text->text = text;
1795 field->changed = TRUE;
1800 ev_view_form_field_text_create_widget (EvView *view,
1803 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1804 GtkWidget *text = NULL;
1807 txt = ev_document_forms_form_field_text_get_text (EV_DOCUMENT_FORMS (view->document),
1810 switch (field_text->type) {
1811 case EV_FORM_FIELD_TEXT_FILE_SELECT:
1813 case EV_FORM_FIELD_TEXT_NORMAL:
1814 text = gtk_entry_new ();
1815 gtk_entry_set_has_frame (GTK_ENTRY (text), FALSE);
1816 gtk_entry_set_max_length (GTK_ENTRY (text), field_text->max_len);
1817 gtk_entry_set_visibility (GTK_ENTRY (text), !field_text->is_password);
1820 gtk_entry_set_text (GTK_ENTRY (text), txt);
1824 g_signal_connect (G_OBJECT (text), "changed",
1825 G_CALLBACK (ev_view_form_field_text_changed),
1827 g_signal_connect_after (G_OBJECT (text), "activate",
1828 G_CALLBACK (ev_view_form_field_destroy),
1831 case EV_FORM_FIELD_TEXT_MULTILINE: {
1832 GtkTextBuffer *buffer;
1834 text = gtk_text_view_new ();
1835 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text));
1838 gtk_text_buffer_set_text (buffer, txt, -1);
1842 g_signal_connect (G_OBJECT (buffer), "changed",
1843 G_CALLBACK (ev_view_form_field_text_changed),
1849 g_object_weak_ref (G_OBJECT (text),
1850 (GWeakNotify)ev_view_form_field_text_save,
1857 ev_view_form_field_choice_save (EvView *view,
1862 if (!view->document)
1865 field = g_object_get_data (G_OBJECT (widget), "form-field");
1867 if (field->changed) {
1869 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
1870 GdkRegion *field_region;
1872 field_region = ev_view_form_field_get_region (view, field);
1874 if (field_choice->is_editable) {
1875 ev_document_forms_form_field_choice_set_text (EV_DOCUMENT_FORMS (view->document),
1876 field, field_choice->text);
1878 ev_document_forms_form_field_choice_unselect_all (EV_DOCUMENT_FORMS (view->document), field);
1879 for (l = field_choice->selected_items; l; l = g_list_next (l)) {
1880 ev_document_forms_form_field_choice_select_item (EV_DOCUMENT_FORMS (view->document),
1882 GPOINTER_TO_INT (l->data));
1885 field->changed = FALSE;
1886 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
1891 gdk_region_destroy (field_region);
1896 ev_view_form_field_choice_changed (GtkWidget *widget,
1899 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
1901 if (GTK_IS_COMBO_BOX (widget)) {
1904 item = gtk_combo_box_get_active (GTK_COMBO_BOX (widget));
1905 if (!field_choice->selected_items ||
1906 GPOINTER_TO_INT (field_choice->selected_items->data) != item) {
1907 g_list_free (field_choice->selected_items);
1908 field_choice->selected_items = NULL;
1909 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1910 GINT_TO_POINTER (item));
1911 field->changed = TRUE;
1914 if (GTK_IS_COMBO_BOX_ENTRY (widget)) {
1917 text = gtk_combo_box_get_active_text (GTK_COMBO_BOX (widget));
1918 if (!field_choice->text ||
1919 (field_choice->text && g_ascii_strcasecmp (field_choice->text, text) != 0)) {
1920 g_free (field_choice->text);
1921 field_choice->text = text;
1922 field->changed = TRUE;
1925 } else if (GTK_IS_TREE_SELECTION (widget)) {
1926 GtkTreeSelection *selection = GTK_TREE_SELECTION (widget);
1927 GtkTreeModel *model;
1930 items = gtk_tree_selection_get_selected_rows (selection, &model);
1931 g_list_free (field_choice->selected_items);
1932 field_choice->selected_items = NULL;
1934 for (l = items; l && l->data; l = g_list_next (l)) {
1936 GtkTreePath *path = (GtkTreePath *)l->data;
1939 gtk_tree_model_get_iter (model, &iter, path);
1940 gtk_tree_model_get (model, &iter, 1, &item, -1);
1942 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1943 GINT_TO_POINTER (item));
1945 gtk_tree_path_free (path);
1948 g_list_free (items);
1950 field->changed = TRUE;
1955 ev_view_form_field_choice_create_widget (EvView *view,
1958 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
1960 GtkTreeModel *model;
1962 gint selected_item = 0;
1964 n_items = ev_document_forms_form_field_choice_get_n_items (EV_DOCUMENT_FORMS (view->document),
1966 model = GTK_TREE_MODEL (gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT));
1967 for (i = 0; i < n_items; i++) {
1971 item = ev_document_forms_form_field_choice_get_item (EV_DOCUMENT_FORMS (view->document),
1973 if (ev_document_forms_form_field_choice_is_item_selected (
1974 EV_DOCUMENT_FORMS (view->document), field, i)) {
1976 /* FIXME: we need a get_selected_items function in poppler */
1977 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1978 GINT_TO_POINTER (i));
1982 gtk_list_store_append (GTK_LIST_STORE (model), &iter);
1983 gtk_list_store_set (GTK_LIST_STORE (model), &iter,
1991 if (field_choice->type == EV_FORM_FIELD_CHOICE_LIST) {
1992 GtkCellRenderer *renderer;
1993 GtkWidget *tree_view;
1994 GtkTreeSelection *selection;
1996 tree_view = gtk_tree_view_new_with_model (model);
1997 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);
1999 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
2000 if (field_choice->multi_select) {
2001 gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
2004 /* TODO: set selected items */
2006 renderer = gtk_cell_renderer_text_new ();
2007 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
2013 choice = gtk_scrolled_window_new (NULL, NULL);
2014 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (choice),
2015 GTK_POLICY_AUTOMATIC,
2016 GTK_POLICY_AUTOMATIC);
2017 gtk_container_add (GTK_CONTAINER (choice), tree_view);
2018 gtk_widget_show (tree_view);
2020 g_signal_connect (G_OBJECT (selection), "changed",
2021 G_CALLBACK (ev_view_form_field_choice_changed),
2023 g_signal_connect_after (G_OBJECT (selection), "changed",
2024 G_CALLBACK (ev_view_form_field_destroy),
2026 } else if (field_choice->is_editable) { /* ComboBoxEntry */
2029 choice = gtk_combo_box_entry_new_with_model (model, 0);
2030 text = ev_document_forms_form_field_choice_get_text (EV_DOCUMENT_FORMS (view->document), field);
2032 gtk_entry_set_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (choice))), text);
2036 g_signal_connect (G_OBJECT (choice), "changed",
2037 G_CALLBACK (ev_view_form_field_choice_changed),
2039 g_signal_connect_after (G_OBJECT (GTK_BIN (choice)->child), "activate",
2040 G_CALLBACK (ev_view_form_field_destroy),
2042 } else { /* ComboBoxText */
2043 GtkCellRenderer *renderer;
2045 choice = gtk_combo_box_new_with_model (model);
2046 renderer = gtk_cell_renderer_text_new ();
2047 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (choice),
2049 gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (choice),
2053 gtk_combo_box_set_active (GTK_COMBO_BOX (choice), selected_item);
2054 gtk_combo_box_popup (GTK_COMBO_BOX (choice));
2056 g_signal_connect (G_OBJECT (choice), "changed",
2057 G_CALLBACK (ev_view_form_field_choice_changed),
2059 g_signal_connect_after (G_OBJECT (choice), "changed",
2060 G_CALLBACK (ev_view_form_field_destroy),
2064 g_object_unref (model);
2066 g_object_weak_ref (G_OBJECT (choice),
2067 (GWeakNotify)ev_view_form_field_choice_save,
2074 ev_view_handle_form_field (EvView *view,
2079 GtkWidget *field_widget = NULL;
2080 GList *form_field_mapping;
2081 EvRectangle field_area;
2082 GdkRectangle view_area;
2084 if (field->is_read_only)
2087 if (EV_IS_FORM_FIELD_BUTTON (field)) {
2088 field_widget = ev_view_form_field_button_create_widget (view, field);
2089 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
2090 field_widget = ev_view_form_field_text_create_widget (view, field);
2091 } else if (EV_IS_FORM_FIELD_CHOICE (field)) {
2092 field_widget = ev_view_form_field_choice_create_widget (view, field);
2093 } else if (EV_IS_FORM_FIELD_SIGNATURE (field)) {
2097 /* Form field doesn't require a widget */
2101 g_object_set_data_full (G_OBJECT (field_widget), "form-field",
2102 g_object_ref (field),
2103 (GDestroyNotify)g_object_unref);
2105 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, field->page->index);
2106 ev_form_field_mapping_get_area (form_field_mapping, field, &field_area);
2108 doc_rect_to_view_rect (view, field->page->index, &field_area, &view_area);
2109 view_area.x -= view->scroll_x;
2110 view_area.y -= view->scroll_y;
2112 gtk_layout_put (GTK_LAYOUT (view), field_widget, view_area.x, view_area.y);
2113 gtk_widget_show (field_widget);
2114 gtk_widget_grab_focus (field_widget);
2117 /*** GtkWidget implementation ***/
2120 ev_view_size_request_continuous_dual_page (EvView *view,
2121 GtkRequisition *requisition)
2127 ev_page_cache_get_max_width (view->page_cache, view->rotation,
2128 view->scale, &max_width);
2129 compute_border (view, max_width, max_width, &border);
2131 n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1;
2133 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
2134 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
2136 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2137 requisition->width = 1;
2138 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2139 requisition->width = 1;
2140 /* FIXME: This could actually be set on one page docs or docs
2141 * with a strange aspect ratio. */
2142 /* requisition->height = 1;*/
2147 ev_view_size_request_continuous (EvView *view,
2148 GtkRequisition *requisition)
2155 ev_page_cache_get_max_width (view->page_cache, view->rotation,
2156 view->scale, &max_width);
2157 n_pages = ev_page_cache_get_n_pages (view->page_cache);
2158 compute_border (view, max_width, max_width, &border);
2160 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
2161 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
2163 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2164 requisition->width = 1;
2165 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2166 requisition->width = 1;
2167 /* FIXME: This could actually be set on one page docs or docs
2168 * with a strange aspect ratio. */
2169 /* requisition->height = 1;*/
2174 ev_view_size_request_dual_page (EvView *view,
2175 GtkRequisition *requisition)
2180 /* Find the largest of the two. */
2181 ev_page_cache_get_size (view->page_cache,
2186 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) {
2187 gint width_2, height_2;
2188 ev_page_cache_get_size (view->page_cache,
2189 view->current_page + 1,
2192 &width_2, &height_2);
2193 if (width_2 > width) {
2198 compute_border (view, width, height, &border);
2200 requisition->width = ((width + border.left + border.right) * 2) +
2201 (view->spacing * 3);
2202 requisition->height = (height + border.top + border.bottom) +
2203 (view->spacing * 2);
2205 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2206 requisition->width = 1;
2207 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2208 requisition->width = 1;
2209 requisition->height = 1;
2214 ev_view_size_request_single_page (EvView *view,
2215 GtkRequisition *requisition)
2220 ev_page_cache_get_size (view->page_cache,
2225 compute_border (view, width, height, &border);
2227 requisition->width = width + border.left + border.right + (2 * view->spacing);
2228 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2230 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2231 requisition->width = 1;
2232 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2233 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2234 requisition->width = 1;
2235 requisition->height = 1;
2240 ev_view_size_request (GtkWidget *widget,
2241 GtkRequisition *requisition)
2243 EvView *view = EV_VIEW (widget);
2245 if (view->document == NULL) {
2246 requisition->width = 1;
2247 requisition->height = 1;
2251 if (view->presentation) {
2252 requisition->width = 1;
2253 requisition->height = 1;
2257 if (view->continuous && view->dual_page)
2258 ev_view_size_request_continuous_dual_page (view, requisition);
2259 else if (view->continuous)
2260 ev_view_size_request_continuous (view, requisition);
2261 else if (view->dual_page)
2262 ev_view_size_request_dual_page (view, requisition);
2264 ev_view_size_request_single_page (view, requisition);
2268 ev_view_size_allocate (GtkWidget *widget,
2269 GtkAllocation *allocation)
2271 EvView *view = EV_VIEW (widget);
2272 GList *children, *l;
2274 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
2276 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2277 view->sizing_mode == EV_SIZING_BEST_FIT) {
2279 g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0);
2281 ev_view_size_request (widget, &widget->requisition);
2284 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
2285 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
2288 view_update_range_and_current_page (view);
2290 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2291 view->pending_resize = FALSE;
2293 children = gtk_container_get_children (GTK_CONTAINER (widget));
2294 for (l = children; l && l->data; l = g_list_next (l)) {
2296 EvRectangle field_area;
2297 GdkRectangle view_area;
2298 GList *form_field_mapping;
2299 GtkAllocation child_allocation;
2300 GtkRequisition child_requisition;
2301 GtkWidget *child = (GtkWidget *)l->data;
2303 field = g_object_get_data (G_OBJECT (child), "form-field");
2307 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
2308 field->page->index);
2309 ev_form_field_mapping_get_area (form_field_mapping, field, &field_area);
2311 doc_rect_to_view_rect (view, field->page->index, &field_area, &view_area);
2312 view_area.x -= view->scroll_x;
2313 view_area.y -= view->scroll_y;
2315 gtk_widget_size_request (child, &child_requisition);
2316 if (child_requisition.width != view_area.width ||
2317 child_requisition.height != view_area.height)
2318 gtk_widget_set_size_request (child, view_area.width, view_area.height);
2320 gtk_container_child_get (GTK_CONTAINER (widget),
2322 "x", &child_allocation.x,
2323 "y", &child_allocation.y,
2325 if (child_allocation.x != view_area.x ||
2326 child_allocation.y != view_area.y) {
2327 gtk_layout_move (GTK_LAYOUT (widget), child, view_area.x, view_area.y);
2330 g_list_free (children);
2334 ev_view_realize (GtkWidget *widget)
2336 EvView *view = EV_VIEW (widget);
2338 if (GTK_WIDGET_CLASS (ev_view_parent_class)->realize)
2339 (* GTK_WIDGET_CLASS (ev_view_parent_class)->realize) (widget);
2341 gdk_window_set_events (view->layout.bin_window,
2342 (gdk_window_get_events (view->layout.bin_window) |
2344 GDK_BUTTON_PRESS_MASK |
2345 GDK_BUTTON_RELEASE_MASK |
2347 GDK_KEY_PRESS_MASK |
2348 GDK_POINTER_MOTION_MASK |
2349 GDK_POINTER_MOTION_HINT_MASK |
2350 GDK_ENTER_NOTIFY_MASK |
2351 GDK_LEAVE_NOTIFY_MASK));
2353 if (view->presentation)
2354 gdk_window_set_background (view->layout.bin_window, &widget->style->black);
2356 gdk_window_set_background (view->layout.bin_window, &widget->style->mid [GTK_STATE_NORMAL]);
2360 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
2362 EvView *view = EV_VIEW (widget);
2365 state = event->state & gtk_accelerator_get_default_mod_mask ();
2367 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
2368 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
2370 if (event->direction == GDK_SCROLL_UP ||
2371 event->direction == GDK_SCROLL_LEFT) {
2372 if (ev_view_can_zoom_in (view)) {
2373 ev_view_zoom_in (view);
2376 if (ev_view_can_zoom_out (view)) {
2377 ev_view_zoom_out (view);
2384 view->jump_to_find_result = FALSE;
2386 /* Shift+Wheel scrolls the in the perpendicular direction */
2387 if (state & GDK_SHIFT_MASK) {
2388 if (event->direction == GDK_SCROLL_UP)
2389 event->direction = GDK_SCROLL_LEFT;
2390 else if (event->direction == GDK_SCROLL_LEFT)
2391 event->direction = GDK_SCROLL_UP;
2392 else if (event->direction == GDK_SCROLL_DOWN)
2393 event->direction = GDK_SCROLL_RIGHT;
2394 else if (event->direction == GDK_SCROLL_RIGHT)
2395 event->direction = GDK_SCROLL_DOWN;
2397 event->state &= ~GDK_SHIFT_MASK;
2398 state &= ~GDK_SHIFT_MASK;
2401 if (state == 0 && view->presentation) {
2402 switch (event->direction) {
2403 case GDK_SCROLL_DOWN:
2404 case GDK_SCROLL_RIGHT:
2405 ev_view_next_page (view);
2408 case GDK_SCROLL_LEFT:
2409 ev_view_previous_page (view);
2419 static EvViewSelection *
2420 find_selection_for_page (EvView *view,
2425 for (list = view->selection_info.selections; list != NULL; list = list->next) {
2426 EvViewSelection *selection;
2428 selection = (EvViewSelection *) list->data;
2430 if (selection->page == page)
2438 draw_end_presentation_page (EvView *view,
2439 GdkRectangle *page_area)
2441 PangoLayout *layout;
2442 PangoFontDescription *font_desc;
2444 const gchar *text = _("End of presentation. Press Escape to exit.");
2446 if (view->presentation_state != EV_PRESENTATION_END)
2449 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), NULL);
2450 markup = g_strdup_printf ("<span foreground=\"white\">%s</span>", text);
2451 pango_layout_set_markup (layout, markup, -1);
2454 font_desc = pango_font_description_new ();
2455 pango_font_description_set_size (font_desc, 16 * PANGO_SCALE);
2456 pango_layout_set_font_description (layout, font_desc);
2458 gtk_paint_layout (GTK_WIDGET (view)->style,
2459 view->layout.bin_window,
2460 GTK_WIDGET_STATE (view),
2469 pango_font_description_free (font_desc);
2470 g_object_unref (layout);
2474 ev_view_expose_event (GtkWidget *widget,
2475 GdkEventExpose *event)
2477 EvView *view = EV_VIEW (widget);
2481 if (view->animation && ev_transition_animation_ready (view->animation)) {
2482 GdkRectangle page_area;
2485 if (get_page_extents (view, view->current_page, &page_area, &border)) {
2486 cr = gdk_cairo_create (view->layout.bin_window);
2488 /* normalize to x=0, y=0 */
2489 cairo_translate (cr, page_area.x, page_area.y);
2490 page_area.x = page_area.y = 0;
2492 ev_transition_animation_paint (view->animation, cr, page_area);
2499 if (view->presentation) {
2500 switch (view->presentation_state) {
2501 case EV_PRESENTATION_END: {
2502 GdkRectangle area = {0};
2504 area.width = widget->allocation.width;
2505 area.height = widget->allocation.height;
2507 draw_end_presentation_page (view, &area);
2510 case EV_PRESENTATION_BLACK:
2511 case EV_PRESENTATION_WHITE:
2513 case EV_PRESENTATION_NORMAL:
2517 } else if (view->loading) {
2518 GdkRectangle area = {0};
2520 area.width = widget->allocation.width;
2521 area.height = widget->allocation.height;
2523 draw_loading_text (view,
2528 if (view->document == NULL)
2531 cr = gdk_cairo_create (view->layout.bin_window);
2533 for (i = view->start_page; i <= view->end_page; i++) {
2534 GdkRectangle page_area;
2536 gboolean page_ready = TRUE;
2538 if (!get_page_extents (view, i, &page_area, &border))
2541 page_area.x -= view->scroll_x;
2542 page_area.y -= view->scroll_y;
2544 draw_one_page (view, i, cr, &page_area, &border, &(event->area), &page_ready);
2546 if (page_ready && view->find_pages && view->highlight_find_results)
2547 highlight_find_results (view, i);
2552 if (GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event)
2553 (* GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) (widget, event);
2559 ev_view_do_popup_menu (EvView *view,
2566 image = ev_view_get_image_at_location (view, x, y);
2568 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, image);
2572 link = ev_view_get_link_at_location (view, x, y);
2574 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
2578 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, NULL);
2584 ev_view_popup_menu (GtkWidget *widget)
2588 gtk_widget_get_pointer (widget, &x, &y);
2589 return ev_view_do_popup_menu (EV_VIEW (widget), x, y);
2592 #if GTK_CHECK_VERSION (2, 11, 7)
2594 get_link_area (EvView *view,
2600 EvRectangle ev_rect;
2601 GList *link_mapping;
2603 gint x_offset = 0, y_offset = 0;
2605 x += view->scroll_x;
2606 y += view->scroll_y;
2608 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
2610 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
2611 ev_link_mapping_get_area (link_mapping, link, &ev_rect);
2613 doc_rect_to_view_rect (view, page, &ev_rect, area);
2614 area->y -= view->scroll_y ;
2618 ev_view_query_tooltip (GtkWidget *widget,
2621 gboolean keyboard_tip,
2622 GtkTooltip *tooltip)
2624 EvView *view = EV_VIEW (widget);
2628 link = ev_view_get_link_at_location (view, x, y);
2632 text = tip_from_link (view, link);
2633 if (text && g_utf8_validate (text, -1, NULL)) {
2634 GdkRectangle link_area;
2636 get_link_area (view, x, y, link, &link_area);
2637 gtk_tooltip_set_text (tooltip, text);
2638 gtk_tooltip_set_tip_area (tooltip, &link_area);
2644 #endif /* GTK_CHECK_VERSION (2, 11, 7) */
2647 start_selection_for_event (EvView *view,
2648 GdkEventButton *event)
2650 EvSelectionStyle style;
2652 clear_selection (view);
2654 view->selection_info.start.x = event->x + view->scroll_x;
2655 view->selection_info.start.y = event->y + view->scroll_y;
2657 switch (event->type) {
2658 case GDK_2BUTTON_PRESS:
2659 style = EV_SELECTION_STYLE_WORD;
2661 case GDK_3BUTTON_PRESS:
2662 style = EV_SELECTION_STYLE_LINE;
2665 style = EV_SELECTION_STYLE_GLYPH;
2669 view->selection_info.style = style;
2673 ev_view_button_press_event (GtkWidget *widget,
2674 GdkEventButton *event)
2676 EvView *view = EV_VIEW (widget);
2678 if (!view->document)
2681 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
2682 gtk_widget_grab_focus (widget);
2685 view->pressed_button = event->button;
2686 view->selection_info.in_drag = FALSE;
2688 if (view->scroll_info.autoscrolling)
2691 switch (event->button) {
2696 if (EV_IS_SELECTION (view->document) && view->selection_info.selections) {
2697 if (event->type == GDK_3BUTTON_PRESS) {
2698 start_selection_for_event (view, event);
2699 } else if (location_in_selected_text (view,
2700 event->x + view->scroll_x,
2701 event->y + view->scroll_y)) {
2702 view->selection_info.in_drag = TRUE;
2704 start_selection_for_event (view, event);
2707 gtk_widget_queue_draw (widget);
2708 } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) {
2709 ev_view_remove_all (view);
2710 ev_view_handle_form_field (view, field, event->x, event->y);
2711 } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) &&
2712 (image = ev_view_get_image_at_location (view, event->x, event->y))) {
2713 if (view->image_dnd_info.image)
2714 g_object_unref (view->image_dnd_info.image);
2715 view->image_dnd_info.image = g_object_ref (image);
2716 view->image_dnd_info.in_drag = TRUE;
2718 view->image_dnd_info.start.x = event->x + view->scroll_x;
2719 view->image_dnd_info.start.y = event->y + view->scroll_y;
2721 ev_view_remove_all (view);
2723 if (EV_IS_SELECTION (view->document))
2724 start_selection_for_event (view, event);
2729 /* use root coordinates as reference point because
2730 * scrolling changes window relative coordinates */
2731 view->drag_info.start.x = event->x_root;
2732 view->drag_info.start.y = event->y_root;
2733 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
2734 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
2736 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
2740 view->scroll_info.start_y = event->y;
2741 return ev_view_do_popup_menu (view, event->x, event->y);
2748 ev_view_remove_all (EvView *view)
2750 GList *children, *child;
2752 children = gtk_container_get_children (GTK_CONTAINER (view));
2753 for (child = children; child && child->data; child = g_list_next (child)) {
2754 gtk_container_remove (GTK_CONTAINER (view),
2755 GTK_WIDGET (child->data));
2757 g_list_free (children);
2760 /*** Drag and Drop ***/
2762 ev_view_drag_data_get (GtkWidget *widget,
2763 GdkDragContext *context,
2764 GtkSelectionData *selection_data,
2768 EvView *view = EV_VIEW (widget);
2771 case TARGET_DND_TEXT:
2772 if (EV_IS_SELECTION (view->document) &&
2773 view->selection_info.selections) {
2776 text = get_selected_text (view);
2777 gtk_selection_data_set_text (selection_data,
2783 case TARGET_DND_IMAGE:
2784 if (view->image_dnd_info.image) {
2787 ev_document_doc_mutex_lock ();
2788 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
2789 view->image_dnd_info.image);
2790 ev_document_doc_mutex_unlock ();
2792 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
2793 g_object_unref (pixbuf);
2796 case TARGET_DND_URI:
2797 if (view->image_dnd_info.image) {
2799 const gchar *tmp_uri;
2802 ev_document_doc_mutex_lock ();
2803 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
2804 view->image_dnd_info.image);
2805 ev_document_doc_mutex_unlock ();
2807 tmp_uri = ev_image_save_tmp (view->image_dnd_info.image, pixbuf);
2808 g_object_unref (pixbuf);
2810 uris = g_new0 (gchar *, 2);
2811 uris[0] = (gchar *)tmp_uri;
2813 gtk_selection_data_set_uris (selection_data, uris);
2815 /* g_free instead of g_strfreev since tmp_uri is const */
2822 ev_view_drag_motion (GtkWidget *widget,
2823 GdkDragContext *context,
2828 if (gtk_drag_get_source_widget (context) == widget)
2829 gdk_drag_status (context, 0, time);
2831 gdk_drag_status (context, context->suggested_action, time);
2837 ev_view_drag_data_received (GtkWidget *widget,
2838 GdkDragContext *context,
2841 GtkSelectionData *selection_data,
2847 GSList *uri_list = NULL;
2849 uris = gtk_selection_data_get_uris (selection_data);
2851 gtk_drag_finish (context, FALSE, FALSE, time);
2855 for (i = 0; uris[i]; i++) {
2856 uri_list = g_slist_prepend (uri_list, (gpointer) uris[i]);
2859 ev_application_open_uri_list (EV_APP, uri_list,
2860 gtk_widget_get_screen (widget),
2862 gtk_drag_finish (context, TRUE, FALSE, time);
2865 g_slist_free (uri_list);
2870 selection_update_idle_cb (EvView *view)
2872 compute_selections (view,
2873 view->selection_info.style,
2874 &view->selection_info.start,
2876 view->selection_update_id = 0;
2881 selection_scroll_timeout_cb (EvView *view)
2883 gint x, y, shift = 0;
2884 GtkWidget *widget = GTK_WIDGET (view);
2886 gtk_widget_get_pointer (widget, &x, &y);
2888 if (y > widget->allocation.height) {
2889 shift = (y - widget->allocation.height) / 2;
2895 gtk_adjustment_set_value (view->vadjustment,
2896 CLAMP (view->vadjustment->value + shift,
2897 view->vadjustment->lower,
2898 view->vadjustment->upper -
2899 view->vadjustment->page_size));
2901 if (x > widget->allocation.width) {
2902 shift = (x - widget->allocation.width) / 2;
2908 gtk_adjustment_set_value (view->hadjustment,
2909 CLAMP (view->hadjustment->value + shift,
2910 view->hadjustment->lower,
2911 view->hadjustment->upper -
2912 view->hadjustment->page_size));
2918 ev_view_drag_update_momentum (EvView *view)
2921 if (!view->drag_info.in_drag)
2924 for (i = DRAG_HISTORY - 1; i > 0; i--) {
2925 view->drag_info.buffer[i].x = view->drag_info.buffer[i-1].x;
2926 view->drag_info.buffer[i].y = view->drag_info.buffer[i-1].y;
2929 /* Momentum is a moving average of 10ms granularity over
2930 * the last 100ms with each 10ms stored in buffer.
2933 view->drag_info.momentum.x = (view->drag_info.buffer[DRAG_HISTORY - 1].x - view->drag_info.buffer[0].x);
2934 view->drag_info.momentum.y = (view->drag_info.buffer[DRAG_HISTORY - 1].y - view->drag_info.buffer[0].y);
2940 ev_view_scroll_drag_release (EvView *view)
2942 gdouble dhadj_value, dvadj_value;
2943 gdouble oldhadjustment, oldvadjustment;
2945 view->drag_info.momentum.x /= 1.2;
2946 view->drag_info.momentum.y /= 1.2; /* Alter these constants to change "friction" */
2948 dhadj_value = view->hadjustment->page_size *
2949 (gdouble)view->drag_info.momentum.x / GTK_WIDGET (view)->allocation.width;
2950 dvadj_value = view->vadjustment->page_size *
2951 (gdouble)view->drag_info.momentum.y / GTK_WIDGET (view)->allocation.height;
2953 oldhadjustment = gtk_adjustment_get_value (view->hadjustment);
2954 oldvadjustment = gtk_adjustment_get_value (view->vadjustment);
2956 if (((oldhadjustment + dhadj_value) > (view->hadjustment->upper - view->hadjustment->page_size)) ||
2957 ((oldhadjustment + dhadj_value) < 0))
2958 view->drag_info.momentum.x *= -0.5; /* 0.5 rather than 1 means the edges absorb some momentum */
2959 if (((oldvadjustment + dvadj_value) > (view->vadjustment->upper - view->vadjustment->page_size)) ||
2960 ((oldvadjustment + dvadj_value) < 0))
2961 view->drag_info.momentum.y *= -0.5;
2963 gtk_adjustment_set_value (view->hadjustment,
2964 MIN (oldhadjustment + dhadj_value,
2965 view->hadjustment->upper - view->hadjustment->page_size));
2966 gtk_adjustment_set_value (view->vadjustment,
2967 MIN (oldvadjustment + dvadj_value,
2968 view->vadjustment->upper - view->vadjustment->page_size));
2970 if (((view->drag_info.momentum.x < 1) && (view->drag_info.momentum.x > -1)) &&
2971 ((view->drag_info.momentum.y < 1) && (view->drag_info.momentum.y > -1)))
2978 ev_view_motion_notify_event (GtkWidget *widget,
2979 GdkEventMotion *event)
2981 EvView *view = EV_VIEW (widget);
2984 if (!view->document)
2988 if (event->is_hint || event->window != view->layout.bin_window) {
2989 gtk_widget_get_pointer (widget, &x, &y);
2995 if (view->scroll_info.autoscrolling) {
2996 view->scroll_info.last_y = y;
3000 if (view->selection_info.in_drag) {
3001 if (gtk_drag_check_threshold (widget,
3002 view->selection_info.start.x,
3003 view->selection_info.start.y,
3005 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3007 gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT);
3009 gtk_drag_begin (widget, target_list,
3011 1, (GdkEvent *)event);
3013 view->selection_info.in_drag = FALSE;
3015 gtk_target_list_unref (target_list);
3019 } else if (view->image_dnd_info.in_drag) {
3020 if (gtk_drag_check_threshold (widget,
3021 view->selection_info.start.x,
3022 view->selection_info.start.y,
3024 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3026 gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI);
3027 gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE);
3029 gtk_drag_begin (widget, target_list,
3031 1, (GdkEvent *)event);
3033 view->image_dnd_info.in_drag = FALSE;
3035 gtk_target_list_unref (target_list);
3041 /* For the Evince 0.4.x release, we limit selection to un-rotated
3044 if (view->pressed_button == 1 && view->rotation == 0) {
3046 /* Schedule timeout to scroll during selection and additionally
3047 * scroll once to allow arbitrary speed. */
3048 if (!view->selection_scroll_id)
3049 view->selection_scroll_id = g_timeout_add (SCROLL_TIME, (GSourceFunc)selection_scroll_timeout_cb, view);
3051 selection_scroll_timeout_cb (view);
3053 view->selection_info.in_selection = TRUE;
3054 view->motion.x = x + view->scroll_x;
3055 view->motion.y = y + view->scroll_y;
3057 /* Queue an idle to handle the motion. We do this because
3058 * handling any selection events in the motion could be slower
3059 * than new motion events reach us. We always put it in the
3060 * idle to make sure we catch up and don't visibly lag the
3062 if (!view->selection_update_id)
3063 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
3066 } else if (view->pressed_button == 2) {
3067 if (!view->drag_info.in_drag) {
3071 start = gtk_drag_check_threshold (widget,
3072 view->drag_info.start.x,
3073 view->drag_info.start.y,
3076 view->drag_info.in_drag = start;
3077 view->drag_info.drag_timeout_id = g_timeout_add (10,
3078 (GSourceFunc)ev_view_drag_update_momentum, view);
3079 /* Set 100 to choose how long it takes to build up momentum */
3080 /* Clear out previous momentum info: */
3081 for (i = 0; i < DRAG_HISTORY; i++) {
3082 view->drag_info.buffer[i].x = event->x;
3083 view->drag_info.buffer[i].y = event->y;
3085 view->drag_info.momentum.x = 0;
3086 view->drag_info.momentum.y = 0;
3089 if (view->drag_info.in_drag) {
3091 gdouble dhadj_value, dvadj_value;
3093 view->drag_info.buffer[0].x = event->x;
3094 view->drag_info.buffer[0].y = event->y;
3096 dx = event->x_root - view->drag_info.start.x;
3097 dy = event->y_root - view->drag_info.start.y;
3099 dhadj_value = view->hadjustment->page_size *
3100 (gdouble)dx / widget->allocation.width;
3101 dvadj_value = view->vadjustment->page_size *
3102 (gdouble)dy / widget->allocation.height;
3104 /* clamp scrolling to visible area */
3105 gtk_adjustment_set_value (view->hadjustment,
3106 MIN(view->drag_info.hadj - dhadj_value,
3107 view->hadjustment->upper -
3108 view->hadjustment->page_size));
3109 gtk_adjustment_set_value (view->vadjustment,
3110 MIN(view->drag_info.vadj - dvadj_value,
3111 view->vadjustment->upper -
3112 view->vadjustment->page_size));
3116 } else if (view->pressed_button <= 0) {
3117 ev_view_handle_cursor_over_xy (view, x, y);
3125 ev_view_button_release_event (GtkWidget *widget,
3126 GdkEventButton *event)
3128 EvView *view = EV_VIEW (widget);
3129 EvLink *link = NULL;
3131 view->image_dnd_info.in_drag = FALSE;
3133 if (view->scroll_info.autoscrolling) {
3134 ev_view_autoscroll_stop (view);
3135 view->pressed_button = -1;
3140 if (view->drag_info.in_drag) {
3141 view->drag_info.release_timeout_id =
3143 (GSourceFunc)ev_view_scroll_drag_release, view);
3146 if (view->document && !view->drag_info.in_drag && view->pressed_button != 3) {
3147 link = ev_view_get_link_at_location (view, event->x, event->y);
3150 view->drag_info.in_drag = FALSE;
3152 if (view->pressed_button == 2) {
3153 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3156 view->pressed_button = -1;
3158 if (view->selection_scroll_id) {
3159 g_source_remove (view->selection_scroll_id);
3160 view->selection_scroll_id = 0;
3162 if (view->selection_update_id) {
3163 g_source_remove (view->selection_update_id);
3164 view->selection_update_id = 0;
3167 if (!view->selection_info.in_selection &&
3168 view->selection_info.style != EV_SELECTION_STYLE_GLYPH) {
3169 compute_selections (view,
3170 view->selection_info.style,
3171 &(view->selection_info.start),
3172 &(view->selection_info.start));
3175 if (view->selection_info.selections) {
3176 clear_link_selected (view);
3177 ev_view_update_primary_selection (view);
3179 if (view->selection_info.in_drag) {
3180 clear_selection (view);
3181 gtk_widget_queue_draw (widget);
3184 view->selection_info.in_drag = FALSE;
3186 if (event->button == 2) {
3187 EvLinkAction *action;
3188 EvLinkActionType type;
3190 action = ev_link_get_action (link);
3194 type = ev_link_action_get_action_type (action);
3195 if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
3196 g_signal_emit (view,
3197 signals[SIGNAL_EXTERNAL_LINK],
3201 ev_view_handle_link (view, link);
3203 } else if (view->presentation) {
3204 switch (event->button) {
3206 ev_view_next_page (view);
3209 ev_view_previous_page (view);
3218 /* Cut and paste from gtkwindow.c */
3220 send_focus_change (GtkWidget *widget,
3223 GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE);
3225 g_object_ref (widget);
3228 GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
3230 GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
3232 fevent->focus_change.type = GDK_FOCUS_CHANGE;
3233 fevent->focus_change.window = g_object_ref (widget->window);
3234 fevent->focus_change.in = in;
3236 gtk_widget_event (widget, fevent);
3238 g_object_notify (G_OBJECT (widget), "has-focus");
3240 g_object_unref (widget);
3241 gdk_event_free (fevent);
3245 ev_view_goto_window_hide (EvView *view)
3247 /* send focus-in event */
3248 send_focus_change (view->goto_entry, FALSE);
3249 gtk_widget_hide (view->goto_window);
3250 gtk_entry_set_text (GTK_ENTRY (view->goto_entry), "");
3254 ev_view_goto_window_delete_event (GtkWidget *widget,
3258 ev_view_goto_window_hide (view);
3264 key_is_numeric (guint keyval)
3266 return ((keyval >= GDK_0 && keyval <= GDK_9) ||
3267 (keyval >= GDK_KP_0 && keyval <= GDK_KP_9));
3271 ev_view_goto_window_key_press_event (GtkWidget *widget,
3275 switch (event->keyval) {
3279 case GDK_ISO_Left_Tab:
3280 ev_view_goto_window_hide (view);
3289 if (!key_is_numeric (event->keyval))
3297 ev_view_goto_window_button_press_event (GtkWidget *widget,
3298 GdkEventButton *event,
3301 ev_view_goto_window_hide (view);
3307 ev_view_goto_entry_activate (GtkEntry *entry,
3313 text = gtk_entry_get_text (entry);
3314 page = atoi (text) - 1;
3316 ev_view_goto_window_hide (view);
3319 page < ev_page_cache_get_n_pages (view->page_cache))
3320 ev_page_cache_set_current_page (view->page_cache, page);
3324 ev_view_goto_window_create (EvView *view)
3326 GtkWidget *frame, *hbox, *toplevel, *label;
3328 toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view));
3330 if (view->goto_window) {
3331 if (GTK_WINDOW (toplevel)->group)
3332 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
3333 GTK_WINDOW (view->goto_window));
3334 else if (GTK_WINDOW (view->goto_window)->group)
3335 gtk_window_group_remove_window (GTK_WINDOW (view->goto_window)->group,
3336 GTK_WINDOW (view->goto_window));
3340 view->goto_window = gtk_window_new (GTK_WINDOW_POPUP);
3342 if (GTK_WINDOW (toplevel)->group)
3343 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
3344 GTK_WINDOW (view->goto_window));
3346 gtk_window_set_modal (GTK_WINDOW (view->goto_window), TRUE);
3348 g_signal_connect (view->goto_window, "delete_event",
3349 G_CALLBACK (ev_view_goto_window_delete_event),
3351 g_signal_connect (view->goto_window, "key_press_event",
3352 G_CALLBACK (ev_view_goto_window_key_press_event),
3354 g_signal_connect (view->goto_window, "button_press_event",
3355 G_CALLBACK (ev_view_goto_window_button_press_event),
3358 frame = gtk_frame_new (NULL);
3359 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
3360 gtk_container_add (GTK_CONTAINER (view->goto_window), frame);
3361 gtk_widget_show (frame);
3363 hbox = gtk_hbox_new (FALSE, 0);
3364 gtk_container_set_border_width (GTK_CONTAINER (hbox), 3);
3365 gtk_container_add (GTK_CONTAINER (frame), hbox);
3366 gtk_widget_show (hbox);
3368 label = gtk_label_new(_("Jump to page:"));
3369 gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 3);
3370 gtk_widget_show (label);
3371 gtk_widget_realize (label);
3373 view->goto_entry = gtk_entry_new ();
3374 g_signal_connect (view->goto_entry, "activate",
3375 G_CALLBACK (ev_view_goto_entry_activate),
3377 gtk_box_pack_start (GTK_BOX (hbox), view->goto_entry, TRUE, TRUE, 0);
3378 gtk_widget_show (view->goto_entry);
3379 gtk_widget_realize (view->goto_entry);
3383 ev_view_goto_entry_grab_focus (EvView *view)
3385 GtkWidgetClass *entry_parent_class;
3387 entry_parent_class = g_type_class_peek_parent (GTK_ENTRY_GET_CLASS (view->goto_entry));
3388 (entry_parent_class->grab_focus) (view->goto_entry);
3390 send_focus_change (view->goto_entry, TRUE);
3394 ev_view_goto_window_send_key_event (EvView *view,
3397 GdkEventKey *new_event;
3400 /* Move goto window off screen */
3401 screen = gtk_widget_get_screen (GTK_WIDGET (view));
3402 gtk_window_move (GTK_WINDOW (view->goto_window),
3403 gdk_screen_get_width (screen) + 1,
3404 gdk_screen_get_height (screen) + 1);
3405 gtk_widget_show (view->goto_window);
3407 new_event = (GdkEventKey *) gdk_event_copy (event);
3408 g_object_unref (new_event->window);
3409 new_event->window = g_object_ref (view->goto_window->window);
3410 gtk_widget_realize (view->goto_window);
3412 gtk_widget_event (view->goto_window, (GdkEvent *)new_event);
3413 gdk_event_free ((GdkEvent *)new_event);
3414 gtk_widget_hide (view->goto_window);
3418 ev_view_key_press_event (GtkWidget *widget,
3421 EvView *view = EV_VIEW (widget);
3422 EvPresentationState current;
3424 if (!view->document)
3427 if (!view->presentation ||
3428 view->presentation_state == EV_PRESENTATION_END)
3429 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3432 current = view->presentation_state;
3434 switch (event->keyval) {
3438 case GDK_KP_Decimal:
3439 view->presentation_state =
3440 (view->presentation_state == EV_PRESENTATION_BLACK) ?
3441 EV_PRESENTATION_NORMAL : EV_PRESENTATION_BLACK;
3445 view->presentation_state =
3446 (view->presentation_state == EV_PRESENTATION_WHITE) ?
3447 EV_PRESENTATION_NORMAL : EV_PRESENTATION_WHITE;
3450 if (view->presentation_state == EV_PRESENTATION_BLACK ||
3451 view->presentation_state == EV_PRESENTATION_WHITE) {
3452 view->presentation_state = EV_PRESENTATION_NORMAL;
3456 if (current == view->presentation_state) {
3457 if (ev_page_cache_get_n_pages (view->page_cache) > 1 &&
3458 key_is_numeric (event->keyval)) {
3461 ev_view_goto_window_create (view);
3462 ev_view_goto_window_send_key_event (view, (GdkEvent *)event);
3463 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
3464 gtk_window_move (GTK_WINDOW (view->goto_window), x, y);
3465 gtk_widget_show (view->goto_window);
3466 ev_view_goto_entry_grab_focus (view);
3471 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3474 switch (view->presentation_state) {
3475 case EV_PRESENTATION_NORMAL:
3476 case EV_PRESENTATION_BLACK:
3477 gdk_window_set_background (view->layout.bin_window,
3478 &widget->style->black);
3480 case EV_PRESENTATION_WHITE:
3481 gdk_window_set_background (view->layout.bin_window,
3482 &widget->style->white);
3485 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3488 gtk_widget_queue_draw (widget);
3493 ev_view_focus_in (GtkWidget *widget,
3494 GdkEventFocus *event)
3496 if (EV_VIEW (widget)->pixbuf_cache)
3497 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3498 gtk_widget_queue_draw (widget);
3504 ev_view_focus_out (GtkWidget *widget,
3505 GdkEventFocus *event)
3507 if (EV_VIEW (widget)->goto_window)
3508 ev_view_goto_window_hide (EV_VIEW (widget));
3510 if (EV_VIEW (widget)->pixbuf_cache)
3511 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3512 gtk_widget_queue_draw (widget);
3518 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3520 EvView *view = EV_VIEW (widget);
3522 if (view->cursor != EV_VIEW_CURSOR_NORMAL)
3523 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
3525 #if !GTK_CHECK_VERSION (2, 11, 7)
3526 if (view->link_tooltip) {
3527 view->hovered_link = NULL;
3528 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
3536 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3538 EvView *view = EV_VIEW (widget);
3540 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3546 ev_view_style_set (GtkWidget *widget,
3547 GtkStyle *old_style)
3549 if (EV_VIEW (widget)->pixbuf_cache)
3550 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3552 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
3558 ev_gdk_color_to_rgb (const GdkColor *color)
3561 result = (0xff0000 | (color->red & 0xff00));
3563 result |= ((color->green & 0xff00) | (color->blue >> 8));
3568 draw_rubberband (GtkWidget *widget, GdkWindow *window,
3569 const GdkRectangle *rect, guchar alpha)
3573 GdkColor *fill_color_gdk;
3576 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
3577 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
3579 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
3580 rect->width, rect->height);
3581 gdk_pixbuf_fill (pixbuf, fill_color);
3583 gdk_draw_pixbuf (window, NULL, pixbuf,
3585 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
3586 rect->width, rect->height,
3587 GDK_RGB_DITHER_NONE,
3590 g_object_unref (pixbuf);
3592 gc = gdk_gc_new (window);
3593 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
3594 gdk_draw_rectangle (window, gc, FALSE,
3595 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
3598 g_object_unref (gc);
3600 gdk_color_free (fill_color_gdk);
3605 highlight_find_results (EvView *view, int page)
3607 gint i, n_results = 0;
3609 n_results = ev_view_find_get_n_results (view, page);
3611 for (i = 0; i < n_results; i++) {
3612 EvRectangle *rectangle;
3613 GdkRectangle view_rectangle;
3616 if (i == view->find_result && page == view->current_page) {
3622 rectangle = ev_view_find_get_result (view, page, i);
3623 doc_rect_to_view_rect (view, page, rectangle, &view_rectangle);
3624 draw_rubberband (GTK_WIDGET (view), view->layout.bin_window,
3625 &view_rectangle, alpha);
3630 draw_loading_text (EvView *view,
3631 GdkRectangle *page_area,
3632 GdkRectangle *expose_area)
3637 if (!view->loading_text) {
3638 const gchar *loading_text = _("Loading...");
3639 PangoLayout *layout;
3640 PangoFontDescription *font_desc;
3641 PangoRectangle logical_rect;
3645 ev_document_fc_mutex_lock ();
3647 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
3649 font_desc = pango_font_description_new ();
3651 /* We set the font to be 10 points, get the size, and scale appropriately */
3652 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
3653 pango_layout_set_font_description (layout, font_desc);
3654 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
3656 target_width = MAX (page_area->width / 2, 1);
3657 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
3658 pango_font_description_set_size (font_desc, (int)real_scale);
3659 pango_layout_set_font_description (layout, font_desc);
3660 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
3662 view->loading_text = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
3664 logical_rect.height);
3665 cr = cairo_create (view->loading_text);
3666 cairo_set_source_rgb (cr,
3670 pango_cairo_show_layout (cr, layout);
3673 pango_font_description_free (font_desc);
3674 g_object_unref (layout);
3676 ev_document_fc_mutex_unlock ();
3679 width = (page_area->width - cairo_image_surface_get_width (view->loading_text)) / 2;
3680 height = (page_area->height - cairo_image_surface_get_height (view->loading_text)) / 2;
3682 cr = gdk_cairo_create (view->layout.bin_window);
3683 cairo_translate (cr,
3684 page_area->x + width,
3685 page_area->y + height);
3686 cairo_set_source_surface (cr, view->loading_text, 0, 0);
3692 draw_one_page (EvView *view,
3695 GdkRectangle *page_area,
3697 GdkRectangle *expose_area,
3698 gboolean *page_ready)
3700 GdkRectangle overlap;
3701 GdkRectangle real_page_area;
3703 g_assert (view->document);
3705 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
3708 /* Render the document itself */
3709 real_page_area = *page_area;
3711 real_page_area.x += border->left;
3712 real_page_area.y += border->top;
3713 real_page_area.width -= (border->left + border->right);
3714 real_page_area.height -= (border->top + border->bottom);
3717 if (!view->presentation) {
3720 current_page = ev_page_cache_get_current_page (view->page_cache);
3721 ev_document_misc_paint_one_page (view->layout.bin_window,
3724 page == current_page);
3727 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
3729 gint page_width, page_height;
3730 cairo_surface_t *page_surface = NULL;
3731 gint selection_width, selection_height;
3732 cairo_surface_t *selection_surface = NULL;
3734 page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page);
3736 if (!page_surface) {
3737 if (!view->presentation) {
3738 draw_loading_text (view,
3743 *page_ready = FALSE;
3748 ev_page_cache_get_size (view->page_cache,
3749 page, view->rotation,
3753 page_width = cairo_image_surface_get_width (page_surface);
3754 page_height = cairo_image_surface_get_height (page_surface);
3757 cairo_translate (cr, overlap.x, overlap.y);
3759 if (width != page_width || height != page_height) {
3760 cairo_pattern_set_filter (cairo_get_source (cr),
3763 (gdouble)width / page_width,
3764 (gdouble)height / page_height);
3767 cairo_surface_set_device_offset (page_surface,
3768 overlap.x - real_page_area.x,
3769 overlap.y - real_page_area.y);
3770 cairo_set_source_surface (cr, page_surface, 0, 0);
3774 /* Get the selection pixbuf iff we have something to draw */
3775 if (find_selection_for_page (view, page) &&
3776 view->selection_mode == EV_VIEW_SELECTION_TEXT) {
3778 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
3784 if (!selection_surface) {
3788 selection_width = cairo_image_surface_get_width (selection_surface);
3789 selection_height = cairo_image_surface_get_height (selection_surface);
3792 cairo_translate (cr, overlap.x, overlap.y);
3794 if (width != selection_width || height != selection_height) {
3795 cairo_pattern_set_filter (cairo_get_source (cr),
3798 (gdouble)width / selection_width,
3799 (gdouble)height / selection_height);
3802 cairo_surface_set_device_offset (selection_surface,
3803 overlap.x - real_page_area.x,
3804 overlap.y - real_page_area.y);
3805 cairo_set_source_surface (cr, selection_surface, 0, 0);
3811 /*** GObject functions ***/
3814 ev_view_finalize (GObject *object)
3816 EvView *view = EV_VIEW (object);
3818 clear_selection (view);
3819 clear_link_selected (view);
3821 if (view->image_dnd_info.image)
3822 g_object_unref (view->image_dnd_info.image);
3823 view->image_dnd_info.image = NULL;
3825 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
3829 ev_view_destroy (GtkObject *object)
3831 EvView *view = EV_VIEW (object);
3833 if (view->document) {
3834 g_object_unref (view->document);
3835 view->document = NULL;
3838 if (view->pixbuf_cache) {
3839 g_object_unref (view->pixbuf_cache);
3840 view->pixbuf_cache = NULL;
3843 #if !GTK_CHECK_VERSION (2, 11, 7)
3844 if (view->link_tooltip) {
3845 gtk_widget_destroy (view->link_tooltip);
3846 view->link_tooltip = NULL;
3849 if (view->goto_window) {
3850 gtk_widget_destroy (view->goto_window);
3851 view->goto_window = NULL;
3852 view->goto_entry = NULL;
3855 if (view->selection_scroll_id) {
3856 g_source_remove (view->selection_scroll_id);
3857 view->selection_scroll_id = 0;
3860 if (view->selection_update_id) {
3861 g_source_remove (view->selection_update_id);
3862 view->selection_update_id = 0;
3865 if (view->loading_text) {
3866 cairo_surface_destroy (view->loading_text);
3867 view->loading_text = NULL;
3870 if (view->scroll_info.timeout_id) {
3871 g_source_remove (view->scroll_info.timeout_id);
3872 view->scroll_info.timeout_id = 0;
3875 if (view->drag_info.drag_timeout_id) {
3876 g_source_remove (view->drag_info.drag_timeout_id);
3877 view->drag_info.drag_timeout_id = 0;
3880 if (view->drag_info.release_timeout_id) {
3881 g_source_remove (view->drag_info.release_timeout_id);
3882 view->drag_info.release_timeout_id = 0;
3885 ev_view_presentation_transition_stop (view);
3887 ev_view_set_scroll_adjustments (GTK_LAYOUT (view), NULL, NULL);
3889 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
3893 ev_view_set_property (GObject *object,
3895 const GValue *value,
3898 EvView *view = EV_VIEW (object);
3901 case PROP_CONTINUOUS:
3902 ev_view_set_continuous (view, g_value_get_boolean (value));
3904 case PROP_DUAL_PAGE:
3905 ev_view_set_dual_page (view, g_value_get_boolean (value));
3907 case PROP_FULLSCREEN:
3908 ev_view_set_fullscreen (view, g_value_get_boolean (value));
3910 case PROP_PRESENTATION:
3911 ev_view_set_presentation (view, g_value_get_boolean (value));
3913 case PROP_SIZING_MODE:
3914 ev_view_set_sizing_mode (view, g_value_get_enum (value));
3917 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
3920 ev_view_set_rotation (view, g_value_get_int (value));
3923 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
3928 ev_view_get_accessible (GtkWidget *widget)
3930 static gboolean first_time = TRUE;
3933 AtkObjectFactory *factory;
3934 AtkRegistry *registry;
3936 GType derived_atk_type;
3939 * Figure out whether accessibility is enabled by looking at the
3940 * type of the accessible object which would be created for
3941 * the parent type of EvView.
3943 derived_type = g_type_parent (EV_TYPE_VIEW);
3945 registry = atk_get_default_registry ();
3946 factory = atk_registry_get_factory (registry,
3948 derived_atk_type = atk_object_factory_get_accessible_type (factory);
3949 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
3950 atk_registry_set_factory_type (registry,
3952 ev_view_accessible_factory_get_type ());
3955 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
3959 ev_view_get_property (GObject *object,
3964 EvView *view = EV_VIEW (object);
3967 case PROP_CONTINUOUS:
3968 g_value_set_boolean (value, view->continuous);
3970 case PROP_DUAL_PAGE:
3971 g_value_set_boolean (value, view->dual_page);
3973 case PROP_FULLSCREEN:
3974 g_value_set_boolean (value, view->fullscreen);
3976 case PROP_PRESENTATION:
3977 g_value_set_boolean (value, view->presentation);
3979 case PROP_SIZING_MODE:
3980 g_value_set_enum (value, view->sizing_mode);
3983 g_value_set_double (value, view->scale);
3986 g_value_set_int (value, view->rotation);
3988 case PROP_HAS_SELECTION:
3989 g_value_set_boolean (value,
3990 view->selection_info.selections != NULL);
3993 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
3998 ev_view_class_init (EvViewClass *class)
4000 GObjectClass *object_class = G_OBJECT_CLASS (class);
4001 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
4002 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
4003 GtkLayoutClass *layout_class = GTK_LAYOUT_CLASS (class);
4004 GtkBindingSet *binding_set;
4006 object_class->finalize = ev_view_finalize;
4007 object_class->set_property = ev_view_set_property;
4008 object_class->get_property = ev_view_get_property;
4010 widget_class->expose_event = ev_view_expose_event;
4011 widget_class->button_press_event = ev_view_button_press_event;
4012 widget_class->motion_notify_event = ev_view_motion_notify_event;
4013 widget_class->button_release_event = ev_view_button_release_event;
4014 widget_class->key_press_event = ev_view_key_press_event;
4015 widget_class->focus_in_event = ev_view_focus_in;
4016 widget_class->focus_out_event = ev_view_focus_out;
4017 widget_class->get_accessible = ev_view_get_accessible;
4018 widget_class->size_request = ev_view_size_request;
4019 widget_class->size_allocate = ev_view_size_allocate;
4020 widget_class->realize = ev_view_realize;
4021 widget_class->scroll_event = ev_view_scroll_event;
4022 widget_class->enter_notify_event = ev_view_enter_notify_event;
4023 widget_class->leave_notify_event = ev_view_leave_notify_event;
4024 widget_class->style_set = ev_view_style_set;
4025 widget_class->drag_data_get = ev_view_drag_data_get;
4026 widget_class->drag_motion = ev_view_drag_motion;
4027 widget_class->drag_data_received = ev_view_drag_data_received;
4028 widget_class->popup_menu = ev_view_popup_menu;
4029 #if GTK_CHECK_VERSION (2, 11, 7)
4030 widget_class->query_tooltip = ev_view_query_tooltip;
4033 gtk_object_class->destroy = ev_view_destroy;
4035 layout_class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
4037 class->binding_activated = ev_view_scroll;
4039 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
4040 G_TYPE_FROM_CLASS (object_class),
4041 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4042 G_STRUCT_OFFSET (EvViewClass, binding_activated),
4044 ev_marshal_VOID__ENUM_BOOLEAN,
4046 GTK_TYPE_SCROLL_TYPE,
4049 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
4050 G_TYPE_FROM_CLASS (object_class),
4051 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4052 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
4054 ev_marshal_VOID__VOID,
4055 G_TYPE_NONE, 0, G_TYPE_NONE);
4056 signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link",
4057 G_TYPE_FROM_CLASS (object_class),
4058 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4059 G_STRUCT_OFFSET (EvViewClass, handle_link),
4061 g_cclosure_marshal_VOID__OBJECT,
4064 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
4065 G_TYPE_FROM_CLASS (object_class),
4066 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4067 G_STRUCT_OFFSET (EvViewClass, external_link),
4069 g_cclosure_marshal_VOID__OBJECT,
4072 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
4073 G_TYPE_FROM_CLASS (object_class),
4074 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4075 G_STRUCT_OFFSET (EvViewClass, popup_menu),
4077 g_cclosure_marshal_VOID__OBJECT,
4082 g_object_class_install_property (object_class,
4084 g_param_spec_boolean ("continuous",
4086 "Continuous scrolling mode",
4088 G_PARAM_READWRITE));
4090 g_object_class_install_property (object_class,
4092 g_param_spec_boolean ("dual-page",
4094 "Two pages visible at once",
4096 G_PARAM_READWRITE));
4097 g_object_class_install_property (object_class,
4099 g_param_spec_boolean ("fullscreen",
4101 "Draw page in a fullscreen fashion",
4103 G_PARAM_READWRITE));
4104 g_object_class_install_property (object_class,
4106 g_param_spec_boolean ("presentation",
4108 "Draw page in presentation mode",
4110 G_PARAM_READWRITE));
4112 g_object_class_install_property (object_class,
4114 g_param_spec_enum ("sizing-mode",
4117 EV_TYPE_SIZING_MODE,
4118 EV_SIZING_FIT_WIDTH,
4119 G_PARAM_READWRITE));
4121 g_object_class_install_property (object_class,
4123 g_param_spec_double ("zoom",
4129 G_PARAM_READWRITE));
4130 g_object_class_install_property (object_class,
4132 g_param_spec_double ("rotation",
4138 G_PARAM_READWRITE));
4139 g_object_class_install_property (object_class,
4141 g_param_spec_boolean ("has-selection",
4143 "The view has selections",
4147 binding_set = gtk_binding_set_by_class (class);
4149 add_scroll_binding_keypad (binding_set, GDK_Left, 0, EV_SCROLL_STEP_BACKWARD, TRUE);
4150 add_scroll_binding_keypad (binding_set, GDK_Right, 0, EV_SCROLL_STEP_FORWARD, TRUE);
4151 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, TRUE);
4152 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, TRUE);
4153 add_scroll_binding_keypad (binding_set, GDK_Up, 0, EV_SCROLL_STEP_BACKWARD, FALSE);
4154 add_scroll_binding_keypad (binding_set, GDK_Down, 0, EV_SCROLL_STEP_FORWARD, FALSE);
4155 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, FALSE);
4156 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, FALSE);
4157 gtk_binding_entry_add_signal (binding_set, GDK_H, 0, "binding_activated", 2, EV_TYPE_SCROLL_TYPE,
4158 EV_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE);
4159 gtk_binding_entry_add_signal (binding_set, GDK_J, 0, "binding_activated", 2, EV_TYPE_SCROLL_TYPE,
4160 EV_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE);
4161 gtk_binding_entry_add_signal (binding_set, GDK_K, 0, "binding_activated", 2, EV_TYPE_SCROLL_TYPE,
4162 EV_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE);
4163 gtk_binding_entry_add_signal (binding_set, GDK_L, 0, "binding_activated", 2, EV_TYPE_SCROLL_TYPE,
4164 EV_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE);
4169 ev_view_init (EvView *view)
4171 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
4175 view->current_page = 0;
4176 view->pressed_button = -1;
4177 view->cursor = EV_VIEW_CURSOR_NORMAL;
4178 view->drag_info.in_drag = FALSE;
4179 view->scroll_info.autoscrolling = FALSE;
4180 view->selection_info.selections = NULL;
4181 view->selection_info.in_selection = FALSE;
4182 view->selection_info.in_drag = FALSE;
4183 view->selection_mode = EV_VIEW_SELECTION_TEXT;
4184 view->continuous = TRUE;
4185 view->dual_page = FALSE;
4186 view->presentation = FALSE;
4187 view->presentation_state = EV_PRESENTATION_NORMAL;
4188 view->fullscreen = FALSE;
4189 view->sizing_mode = EV_SIZING_FIT_WIDTH;
4190 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4191 view->jump_to_find_result = TRUE;
4192 view->highlight_find_results = FALSE;
4194 gtk_layout_set_hadjustment (GTK_LAYOUT (view), NULL);
4195 gtk_layout_set_vadjustment (GTK_LAYOUT (view), NULL);
4197 gtk_drag_dest_set (GTK_WIDGET (view),
4198 GTK_DEST_DEFAULT_ALL,
4200 G_N_ELEMENTS (view_drop_targets),
4207 ev_view_change_page (EvView *view,
4212 view->current_page = new_page;
4213 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4215 if (view->presentation)
4216 ev_view_presentation_transition_start (view);
4218 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4219 ev_view_handle_cursor_over_xy (view, x, y);
4221 gtk_widget_queue_resize (GTK_WIDGET (view));
4225 ev_view_transition_animation_finish (EvTransitionAnimation *animation,
4228 g_object_unref (view->animation);
4229 view->animation = NULL;
4230 ev_view_change_page (view, view->current_page);
4234 ev_view_transition_animation_frame (EvTransitionAnimation *animation,
4238 gtk_widget_queue_draw (GTK_WIDGET (view));
4242 ev_view_presentation_animation_start (EvView *view,
4245 EvTransitionEffect *effect = NULL;
4246 cairo_surface_t *surface;
4248 if (EV_IS_DOCUMENT_TRANSITION (view->document))
4249 effect = ev_document_transition_get_effect (EV_DOCUMENT_TRANSITION (view->document),
4250 view->current_page);
4254 surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page);
4255 view->animation = ev_transition_animation_new (effect);
4256 ev_transition_animation_set_origin_surface (view->animation, surface);
4258 g_signal_connect (view->animation, "frame",
4259 G_CALLBACK (ev_view_transition_animation_frame), view);
4260 g_signal_connect (view->animation, "finished",
4261 G_CALLBACK (ev_view_transition_animation_finish), view);
4265 job_finished_cb (EvPixbufCache *pixbuf_cache,
4269 if (view->animation) {
4270 cairo_surface_t *surface;
4272 surface = ev_pixbuf_cache_get_surface (pixbuf_cache, view->current_page);
4273 ev_transition_animation_set_dest_surface (view->animation, surface);
4277 gdk_window_invalidate_region (view->layout.bin_window,
4280 gtk_widget_queue_draw (GTK_WIDGET (view));
4285 page_changed_cb (EvPageCache *page_cache,
4289 if (view->current_page != new_page) {
4290 if (view->presentation)
4291 ev_view_presentation_animation_start (view, new_page);
4293 ev_view_change_page (view, new_page);
4295 gtk_widget_queue_draw (GTK_WIDGET (view));
4298 view->find_result = 0;
4302 on_adjustment_value_changed (GtkAdjustment *adjustment,
4307 GList *children, *l;
4309 if (! GTK_WIDGET_REALIZED (view))
4312 if (view->hadjustment) {
4313 dx = view->scroll_x - (int) view->hadjustment->value;
4314 view->scroll_x = (int) view->hadjustment->value;
4319 if (view->vadjustment) {
4320 dy = view->scroll_y - (int) view->vadjustment->value;
4321 view->scroll_y = (int) view->vadjustment->value;
4326 children = gtk_container_get_children (GTK_CONTAINER (view));
4327 for (l = children; l && l->data; l = g_list_next (l)) {
4328 gint child_x, child_y;
4329 GtkWidget *child = (GtkWidget *)l->data;
4331 gtk_container_child_get (GTK_CONTAINER (view),
4336 gtk_layout_move (GTK_LAYOUT (view), child, child_x + dx, child_y + dy);
4338 g_list_free (children);
4340 if (view->pending_resize)
4341 gtk_widget_queue_draw (GTK_WIDGET (view));
4343 gdk_window_scroll (view->layout.bin_window, dx, dy);
4345 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4346 ev_view_handle_cursor_over_xy (view, x, y);
4349 view_update_range_and_current_page (view);
4357 view = g_object_new (EV_TYPE_VIEW, NULL);
4363 setup_caches (EvView *view)
4365 view->page_cache = ev_page_cache_get (view->document);
4366 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
4367 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
4368 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
4369 page_changed_cb (view->page_cache,
4370 ev_page_cache_get_current_page (view->page_cache),
4375 clear_caches (EvView *view)
4377 if (view->pixbuf_cache) {
4378 g_object_unref (view->pixbuf_cache);
4379 view->pixbuf_cache = NULL;
4382 if (view->page_cache) {
4383 view->page_cache = NULL;
4388 ev_view_set_loading (EvView *view,
4391 view->loading = loading;
4392 gtk_widget_queue_draw (GTK_WIDGET (view));
4396 ev_view_autoscroll_cb (EvView *view)
4398 gdouble speed, value;
4400 /* If the user stops autoscrolling, autoscrolling will be
4401 * set to false but the timeout will continue; stop the timeout: */
4402 if (!view->scroll_info.autoscrolling) {
4403 view->scroll_info.timeout_id = 0;
4407 if (view->scroll_info.last_y > view->scroll_info.start_y &&
4408 (view->scroll_info.last_y < view->scroll_info.start_y))
4411 /* Replace 100 with your speed of choice: The lower the faster.
4412 * Replace 3 with another speed of choice: The higher, the faster it accelerated
4413 * based on the distance of the starting point from the mouse
4414 * (All also effected by the timeout interval of this callback) */
4416 if (view->scroll_info.start_y > view->scroll_info.last_y)
4417 speed = -pow ((((gdouble)view->scroll_info.start_y - view->scroll_info.last_y) / 100), 3);
4419 speed = pow ((((gdouble)view->scroll_info.last_y - view->scroll_info.start_y) / 100), 3);
4421 value = gtk_adjustment_get_value (view->vadjustment);
4422 value = CLAMP (value + speed, 0, view->vadjustment->upper - view->vadjustment->page_size);
4423 gtk_adjustment_set_value (view->vadjustment, value);
4430 ev_view_autoscroll_start (EvView *view)
4434 g_return_if_fail (EV_IS_VIEW (view));
4436 if (view->scroll_info.autoscrolling)
4439 view->scroll_info.autoscrolling = TRUE;
4440 view->scroll_info.timeout_id =
4441 g_timeout_add (20, (GSourceFunc)ev_view_autoscroll_cb,
4444 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4445 ev_view_handle_cursor_over_xy (view, x, y);
4449 ev_view_autoscroll_stop (EvView *view)
4453 g_return_if_fail (EV_IS_VIEW (view));
4455 if (!view->scroll_info.autoscrolling)
4458 view->scroll_info.autoscrolling = FALSE;
4459 if (view->scroll_info.timeout_id) {
4460 g_source_remove (view->scroll_info.timeout_id);
4461 view->scroll_info.timeout_id = 0;
4464 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4465 ev_view_handle_cursor_over_xy (view, x, y);
4469 ev_view_set_document (EvView *view,
4470 EvDocument *document)
4472 g_return_if_fail (EV_IS_VIEW (view));
4474 view->loading = FALSE;
4476 if (document != view->document) {
4477 clear_caches (view);
4479 if (view->document) {
4480 g_object_unref (view->document);
4481 view->page_cache = NULL;
4484 view->document = document;
4485 view->find_result = 0;
4487 if (view->document) {
4488 g_object_ref (view->document);
4489 setup_caches (view);
4492 gtk_widget_queue_resize (GTK_WIDGET (view));
4496 /*** Zoom and sizing mode ***/
4498 #define EPSILON 0.0000001
4500 ev_view_set_zoom (EvView *view,
4507 scale = view->scale * factor;
4511 scale = CLAMP (scale,
4512 view->sizing_mode == EV_SIZING_FREE ? view->min_scale : 0,
4515 if (ABS (view->scale - scale) < EPSILON)
4518 if (view->loading_text) {
4519 cairo_surface_destroy (view->loading_text);
4520 view->loading_text = NULL;
4523 view->scale = scale;
4524 view->pending_resize = TRUE;
4526 gtk_widget_queue_resize (GTK_WIDGET (view));
4528 g_object_notify (G_OBJECT (view), "zoom");
4532 ev_view_get_zoom (EvView *view)
4538 ev_view_set_screen_dpi (EvView *view,
4541 g_return_if_fail (EV_IS_VIEW (view));
4542 g_return_if_fail (dpi > 0);
4545 view->min_scale = MIN_SCALE * dpi / 72.0;
4546 view->max_scale = MAX_SCALE * dpi / 72.0;
4550 ev_view_get_continuous (EvView *view)
4552 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4554 return view->continuous;
4558 ev_view_set_continuous (EvView *view,
4559 gboolean continuous)
4561 g_return_if_fail (EV_IS_VIEW (view));
4563 continuous = continuous != FALSE;
4565 if (view->continuous != continuous) {
4566 view->continuous = continuous;
4567 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4568 gtk_widget_queue_resize (GTK_WIDGET (view));
4571 g_object_notify (G_OBJECT (view), "continuous");
4575 ev_view_get_dual_page (EvView *view)
4577 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4579 return view->dual_page;
4583 ev_view_set_dual_page (EvView *view,
4586 g_return_if_fail (EV_IS_VIEW (view));
4588 dual_page = dual_page != FALSE;
4590 if (view->dual_page == dual_page)
4593 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4594 view->dual_page = dual_page;
4595 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
4596 * preload_cache_size to be 2 if dual_page is set.
4598 gtk_widget_queue_resize (GTK_WIDGET (view));
4600 g_object_notify (G_OBJECT (view), "dual-page");
4604 ev_view_set_fullscreen (EvView *view,
4605 gboolean fullscreen)
4607 g_return_if_fail (EV_IS_VIEW (view));
4609 fullscreen = fullscreen != FALSE;
4611 if (view->fullscreen == fullscreen)
4614 view->fullscreen = fullscreen;
4615 gtk_widget_queue_resize (GTK_WIDGET (view));
4617 g_object_notify (G_OBJECT (view), "fullscreen");
4621 ev_view_get_fullscreen (EvView *view)
4623 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4625 return view->fullscreen;
4629 ev_view_set_presentation (EvView *view,
4630 gboolean presentation)
4632 g_return_if_fail (EV_IS_VIEW (view));
4634 presentation = presentation != FALSE;
4636 if (view->presentation == presentation)
4640 view->presentation_state = EV_PRESENTATION_NORMAL;
4642 view->presentation = presentation;
4643 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4646 view->sizing_mode_saved = view->sizing_mode;
4647 view->scale_saved = view->scale;
4648 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
4650 ev_view_set_sizing_mode (view, view->sizing_mode_saved);
4651 ev_view_set_zoom (view, view->scale_saved, FALSE);
4654 gtk_widget_queue_resize (GTK_WIDGET (view));
4657 ev_view_presentation_transition_start (view);
4659 ev_view_presentation_transition_stop (view);
4661 if (view->animation) {
4662 /* stop any running animation */
4663 ev_view_transition_animation_finish (view->animation, view);
4667 if (GTK_WIDGET_REALIZED (view)) {
4668 if (view->presentation)
4669 gdk_window_set_background (view->layout.bin_window,
4670 >K_WIDGET (view)->style->black);
4672 gdk_window_set_background (view->layout.bin_window,
4673 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
4676 g_object_notify (G_OBJECT (view), "presentation");
4680 ev_view_get_presentation (EvView *view)
4682 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4684 return view->presentation;
4688 transition_next_page (EvView *view)
4690 ev_view_next_page (view);
4696 ev_view_presentation_transition_stop (EvView *view)
4698 if (view->trans_timeout_id > 0)
4699 g_source_remove (view->trans_timeout_id);
4700 view->trans_timeout_id = 0;
4704 ev_view_presentation_transition_start (EvView *view)
4708 if (!EV_IS_DOCUMENT_TRANSITION (view->document))
4711 ev_view_presentation_transition_stop (view);
4713 duration = ev_document_transition_get_page_duration (EV_DOCUMENT_TRANSITION (view->document),
4714 view->current_page);
4716 view->trans_timeout_id =
4717 g_timeout_add_seconds (duration,
4718 (GSourceFunc) transition_next_page,
4724 ev_view_set_sizing_mode (EvView *view,
4725 EvSizingMode sizing_mode)
4727 g_return_if_fail (EV_IS_VIEW (view));
4729 if (view->sizing_mode == sizing_mode)
4732 view->sizing_mode = sizing_mode;
4733 gtk_widget_queue_resize (GTK_WIDGET (view));
4735 g_object_notify (G_OBJECT (view), "sizing-mode");
4739 ev_view_get_sizing_mode (EvView *view)
4741 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
4743 return view->sizing_mode;
4747 ev_view_can_zoom_in (EvView *view)
4749 return view->scale * ZOOM_IN_FACTOR <= view->max_scale;
4753 ev_view_can_zoom_out (EvView *view)
4755 return view->scale * ZOOM_OUT_FACTOR >= view->min_scale;
4759 ev_view_zoom_in (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_IN_FACTOR, TRUE);
4771 ev_view_zoom_out (EvView *view)
4773 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
4775 if (view->presentation)
4778 view->pending_scroll = SCROLL_TO_CENTER;
4779 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
4783 ev_view_rotate_right (EvView *view)
4785 int rotation = view->rotation + 90;
4787 if (rotation >= 360) {
4791 ev_view_set_rotation (view, rotation);
4795 ev_view_rotate_left (EvView *view)
4797 int rotation = view->rotation - 90;
4803 ev_view_set_rotation (view, rotation);
4807 ev_view_set_rotation (EvView *view, int rotation)
4809 view->rotation = rotation;
4811 if (view->pixbuf_cache) {
4812 ev_pixbuf_cache_clear (view->pixbuf_cache);
4813 gtk_widget_queue_resize (GTK_WIDGET (view));
4817 clear_selection (view);
4819 g_object_notify (G_OBJECT (view), "rotation");
4823 ev_view_get_rotation (EvView *view)
4825 return view->rotation;
4829 zoom_for_size_fit_width (int doc_width,
4837 scale = (double)target_width / doc_width;
4839 if (doc_height * scale > target_height)
4840 scale = (double) (target_width - vsb_width) / doc_width;
4846 zoom_for_size_fit_height (int doc_width,
4854 scale = (double)target_height / doc_height;
4856 if (doc_width * scale > target_width)
4857 scale = (double) (target_height - vsb_height) / doc_height;
4863 zoom_for_size_best_fit (int doc_width,
4873 w_scale = (double)target_width / doc_width;
4874 h_scale = (double)target_height / doc_height;
4876 if (doc_height * w_scale > target_height)
4877 w_scale = (double) (target_width - vsb_width) / doc_width;
4878 if (doc_width * h_scale > target_width)
4879 h_scale = (double) (target_height - hsb_width) / doc_height;
4881 return MIN (w_scale, h_scale);
4886 ev_view_zoom_for_size_presentation (EvView *view,
4890 int doc_width, doc_height;
4893 ev_page_cache_get_size (view->page_cache,
4899 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
4900 ev_view_set_zoom (view, scale, FALSE);
4904 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
4910 int doc_width, doc_height;
4914 ev_page_cache_get_max_width (view->page_cache,
4918 ev_page_cache_get_max_height (view->page_cache,
4922 compute_border (view, doc_width, doc_height, &border);
4924 doc_width = doc_width * 2;
4925 width -= (2 * (border.left + border.right) + 3 * view->spacing);
4926 height -= (border.top + border.bottom + 2 * view->spacing - 1);
4928 /* FIXME: We really need to calculate the overall height here, not the
4929 * page height. We assume there's always a vertical scrollbar for
4930 * now. We need to fix this. */
4931 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
4932 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
4933 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4934 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
4936 g_assert_not_reached ();
4938 ev_view_set_zoom (view, scale, FALSE);
4942 ev_view_zoom_for_size_continuous (EvView *view,
4948 int doc_width, doc_height;
4952 ev_page_cache_get_max_width (view->page_cache,
4956 ev_page_cache_get_max_height (view->page_cache,
4960 compute_border (view, doc_width, doc_height, &border);
4962 width -= (border.left + border.right + 2 * view->spacing);
4963 height -= (border.top + border.bottom + 2 * view->spacing - 1);
4965 /* FIXME: We really need to calculate the overall height here, not the
4966 * page height. We assume there's always a vertical scrollbar for
4967 * now. We need to fix this. */
4968 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
4969 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
4970 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4971 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
4973 g_assert_not_reached ();
4975 ev_view_set_zoom (view, scale, FALSE);
4979 ev_view_zoom_for_size_dual_page (EvView *view,
4986 gint doc_width, doc_height;
4990 other_page = view->current_page ^ 1;
4992 /* Find the largest of the two. */
4993 ev_page_cache_get_size (view->page_cache,
4997 &doc_width, &doc_height);
4999 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
5000 gint width_2, height_2;
5001 ev_page_cache_get_size (view->page_cache,
5005 &width_2, &height_2);
5006 if (width_2 > doc_width)
5007 doc_width = width_2;
5008 if (height_2 > doc_height)
5009 doc_height = height_2;
5011 compute_border (view, doc_width, doc_height, &border);
5013 doc_width = doc_width * 2;
5014 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
5015 height -= (border.top + border.bottom + 2 * view->spacing);
5017 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5018 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
5019 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5020 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
5022 g_assert_not_reached ();
5024 ev_view_set_zoom (view, scale, FALSE);
5028 ev_view_zoom_for_size_single_page (EvView *view,
5034 int doc_width, doc_height;
5038 ev_page_cache_get_size (view->page_cache,
5044 /* Get an approximate border */
5045 compute_border (view, width, height, &border);
5047 width -= (border.left + border.right + 2 * view->spacing);
5048 height -= (border.top + border.bottom + 2 * view->spacing);
5050 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5051 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
5052 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5053 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
5055 g_assert_not_reached ();
5057 ev_view_set_zoom (view, scale, FALSE);
5061 ev_view_set_zoom_for_size (EvView *view,
5067 g_return_if_fail (EV_IS_VIEW (view));
5068 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
5069 view->sizing_mode == EV_SIZING_BEST_FIT);
5070 g_return_if_fail (width >= 0);
5071 g_return_if_fail (height >= 0);
5073 if (view->document == NULL)
5076 if (view->presentation)
5077 ev_view_zoom_for_size_presentation (view, width, height);
5078 else if (view->continuous && view->dual_page)
5079 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
5080 else if (view->continuous)
5081 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
5082 else if (view->dual_page)
5083 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
5085 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
5090 ev_view_find_get_n_results (EvView *view, gint page)
5092 return view->find_pages ? g_list_length (view->find_pages[page]) : 0;
5095 static EvRectangle *
5096 ev_view_find_get_result (EvView *view, gint page, gint result)
5098 return view->find_pages ? (EvRectangle *) g_list_nth_data (view->find_pages[page], result) : NULL;
5102 jump_to_find_result (EvView *view)
5105 gint page = view->current_page;
5107 n_results = ev_view_find_get_n_results (view, page);
5109 if (n_results > 0 && view->find_result < n_results) {
5111 GdkRectangle view_rect;
5113 rect = ev_view_find_get_result (view, page, view->find_result);
5114 doc_rect_to_view_rect (view, page, rect, &view_rect);
5115 ensure_rectangle_is_visible (view, &view_rect);
5121 * @view: #EvView instance
5122 * @direction: Direction to look
5123 * @shift: Shift from current page
5125 * Jumps to the first page that has occurences of searched word.
5126 * Uses a direction where to look and a shift from current page.
5130 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
5134 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5136 for (i = 0; i < n_pages; i++) {
5139 if (direction == EV_VIEW_FIND_NEXT)
5140 page = view->current_page + i;
5142 page = view->current_page - i;
5145 if (page >= n_pages) {
5146 page = page - n_pages;
5147 } else if (page < 0)
5148 page = page + n_pages;
5150 if (ev_view_find_get_n_results (view, page) > 0) {
5151 ev_page_cache_set_current_page (view->page_cache, page);
5158 ev_view_find_changed (EvView *view, GList **results, gint page)
5160 view->find_pages = results;
5162 if (view->jump_to_find_result == TRUE) {
5163 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
5164 jump_to_find_result (view);
5167 if (view->current_page == page)
5168 gtk_widget_queue_draw (GTK_WIDGET (view));
5172 ev_view_find_next (EvView *view)
5176 n_results = ev_view_find_get_n_results (view, view->current_page);
5177 view->find_result++;
5179 if (view->find_result >= n_results) {
5180 view->find_result = 0;
5181 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
5182 jump_to_find_result (view);
5184 jump_to_find_result (view);
5185 gtk_widget_queue_draw (GTK_WIDGET (view));
5190 ev_view_find_previous (EvView *view)
5192 view->find_result--;
5194 if (view->find_result < 0) {
5195 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
5196 view->find_result = ev_view_find_get_n_results (view, view->current_page) - 1;
5197 jump_to_find_result (view);
5199 jump_to_find_result (view);
5200 gtk_widget_queue_draw (GTK_WIDGET (view));
5205 ev_view_find_search_changed (EvView *view)
5207 /* search string has changed, focus on new search result */
5208 view->jump_to_find_result = TRUE;
5209 view->find_pages = NULL;
5213 ev_view_find_set_highlight_search (EvView *view, gboolean value)
5215 view->highlight_find_results = value;
5216 gtk_widget_queue_draw (GTK_WIDGET (view));
5220 ev_view_find_cancel (EvView *view)
5222 view->find_pages = NULL;
5225 /*** Selections ***/
5227 /* compute_new_selection_rect/text calculates the area currently selected by
5228 * view_rect. each handles a different mode;
5231 compute_new_selection_rect (EvView *view,
5235 GdkRectangle view_rect;
5239 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
5241 view_rect.x = MIN (start->x, stop->x);
5242 view_rect.y = MIN (start->y, stop->y);
5243 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
5244 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
5246 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5248 for (i = 0; i < n_pages; i++) {
5249 GdkRectangle page_area;
5252 if (get_page_extents (view, i, &page_area, &border)) {
5253 GdkRectangle overlap;
5255 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
5256 EvViewSelection *selection;
5258 selection = g_new0 (EvViewSelection, 1);
5259 selection->page = i;
5260 view_rect_to_doc_rect (view, &overlap, &page_area,
5261 &(selection->rect));
5263 list = g_list_append (list, selection);
5272 gdk_rectangle_point_in (GdkRectangle *rectangle,
5275 return rectangle->x <= point->x &&
5276 rectangle->y <= point->y &&
5277 point->x < rectangle->x + rectangle->width &&
5278 point->y < rectangle->y + rectangle->height;
5282 compute_new_selection_text (EvView *view,
5283 EvSelectionStyle style,
5287 int n_pages, i, first, last;
5289 EvViewSelection *selection;
5291 int start_page, end_page;
5293 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
5295 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5297 /* First figure out the range of pages the selection
5301 if (view->continuous) {
5304 } else if (view->dual_page) {
5305 start_page = view->start_page;
5306 end_page = view->end_page + 1;
5308 start_page = view->current_page;
5309 end_page = view->current_page + 1;
5312 for (i = start_page; i < end_page; i++) {
5313 GdkRectangle page_area;
5316 get_page_extents (view, i, &page_area, &border);
5317 if (gdk_rectangle_point_in (&page_area, start) ||
5318 gdk_rectangle_point_in (&page_area, stop)) {
5319 if (first == n_pages)
5326 /* Now create a list of EvViewSelection's for the affected
5327 * pages. This could be an empty list, a list of just one
5328 * page or a number of pages.*/
5329 for (i = first; i < last + 1; i++) {
5330 GdkRectangle page_area;
5334 ev_page_cache_get_size (view->page_cache, i,
5336 1.0, &width, &height);
5338 selection = g_new0 (EvViewSelection, 1);
5339 selection->page = i;
5340 selection->style = style;
5341 selection->rect.x1 = selection->rect.y1 = 0;
5342 selection->rect.x2 = width;
5343 selection->rect.y2 = height;
5345 get_page_extents (view, i, &page_area, &border);
5347 if (gdk_rectangle_point_in (&page_area, start))
5353 view_point_to_doc_point (view, point, &page_area,
5354 &selection->rect.x1,
5355 &selection->rect.y1);
5357 /* If the selection is contained within just one page,
5358 * make sure we don't write 'start' into both points
5359 * in selection->rect. */
5364 view_point_to_doc_point (view, point, &page_area,
5365 &selection->rect.x2,
5366 &selection->rect.y2);
5368 list = g_list_append (list, selection);
5374 /* This function takes the newly calculated list, and figures out which regions
5375 * have changed. It then queues a redraw approporiately.
5378 merge_selection_region (EvView *view,
5382 GList *new_list_ptr, *old_list_ptr;
5384 /* Update the selection */
5385 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
5386 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5387 view->selection_info.selections = new_list;
5388 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
5389 g_object_notify (G_OBJECT (view), "has-selection");
5391 new_list_ptr = new_list;
5392 old_list_ptr = old_list;
5394 while (new_list_ptr || old_list_ptr) {
5395 EvViewSelection *old_sel, *new_sel;
5397 GdkRegion *region = NULL;
5399 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
5400 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
5402 /* Assume that the lists are in order, and we run through them
5403 * comparing them, one page at a time. We come out with the
5404 * first page we see. */
5405 if (new_sel && old_sel) {
5406 if (new_sel->page < old_sel->page) {
5407 new_list_ptr = new_list_ptr->next;
5409 } else if (new_sel->page > old_sel->page) {
5410 old_list_ptr = old_list_ptr->next;
5413 new_list_ptr = new_list_ptr->next;
5414 old_list_ptr = old_list_ptr->next;
5416 } else if (new_sel) {
5417 new_list_ptr = new_list_ptr->next;
5418 } else if (old_sel) {
5419 old_list_ptr = old_list_ptr->next;
5422 g_assert (new_sel || old_sel);
5424 /* is the page we're looking at on the screen?*/
5425 cur_page = new_sel ? new_sel->page : old_sel->page;
5426 if (cur_page < view->start_page || cur_page > view->end_page)
5429 /* seed the cache with a new page. We are going to need the new
5432 GdkRegion *tmp_region = NULL;
5434 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
5440 new_sel->covered_region = gdk_region_copy (tmp_region);
5444 /* Now we figure out what needs redrawing */
5445 if (old_sel && new_sel) {
5446 if (old_sel->covered_region && new_sel->covered_region) {
5447 /* We only want to redraw the areas that have
5448 * changed, so we xor the old and new regions
5449 * and redraw if it's different */
5450 region = gdk_region_copy (old_sel->covered_region);
5451 gdk_region_xor (region, new_sel->covered_region);
5452 if (gdk_region_empty (region)) {
5453 gdk_region_destroy (region);
5456 } else if (old_sel->covered_region) {
5457 region = gdk_region_copy (old_sel->covered_region);
5458 } else if (new_sel->covered_region) {
5459 region = gdk_region_copy (new_sel->covered_region);
5461 } else if (old_sel && !new_sel) {
5462 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
5463 region = gdk_region_copy (old_sel->covered_region);
5465 } else if (!old_sel && new_sel) {
5466 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
5467 region = gdk_region_copy (new_sel->covered_region);
5470 g_assert_not_reached ();
5473 /* Redraw the damaged region! */
5475 GdkRectangle page_area;
5478 /* I don't know why but the region is smaller
5479 * than expected. This hack fixes it, I guess
5480 * 10 pixels more won't hurt
5482 gdk_region_shrink (region, -5, -5);
5484 get_page_extents (view, cur_page, &page_area, &border);
5485 gdk_region_offset (region,
5486 page_area.x + border.left - view->scroll_x,
5487 page_area.y + border.top - view->scroll_y);
5488 gdk_window_invalidate_region (view->layout.bin_window, region, TRUE);
5489 gdk_region_destroy (region);
5493 /* Free the old list, now that we're done with it. */
5494 g_list_foreach (old_list, (GFunc) selection_free, NULL);
5498 compute_selections (EvView *view,
5499 EvSelectionStyle style,
5505 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
5506 list = compute_new_selection_rect (view, start, stop);
5508 list = compute_new_selection_text (view, style, start, stop);
5509 merge_selection_region (view, list);
5512 /* Free's the selection. It's up to the caller to queue redraws if needed.
5515 selection_free (EvViewSelection *selection)
5517 if (selection->covered_region)
5518 gdk_region_destroy (selection->covered_region);
5523 clear_selection (EvView *view)
5525 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5526 view->selection_info.selections = NULL;
5527 view->selection_info.in_selection = FALSE;
5528 if (view->pixbuf_cache)
5529 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
5530 g_object_notify (G_OBJECT (view), "has-selection");
5534 ev_view_select_all (EvView *view)
5536 GList *selections = NULL;
5539 /* Disable selection on rotated pages for the 0.4.0 series */
5540 if (view->rotation != 0)
5543 clear_selection (view);
5545 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5546 for (i = 0; i < n_pages; i++) {
5548 EvViewSelection *selection;
5550 ev_page_cache_get_size (view->page_cache,
5553 1.0, &width, &height);
5555 selection = g_new0 (EvViewSelection, 1);
5556 selection->page = i;
5557 selection->style = EV_SELECTION_STYLE_GLYPH;
5558 selection->rect.x1 = selection->rect.y1 = 0;
5559 selection->rect.x2 = width;
5560 selection->rect.y2 = height;
5562 selections = g_list_append (selections, selection);
5565 merge_selection_region (view, selections);
5566 gtk_widget_queue_draw (GTK_WIDGET (view));
5570 ev_view_get_has_selection (EvView *view)
5572 return view->selection_info.selections != NULL;
5576 get_selected_text (EvView *view)
5580 gchar *normalized_text;
5581 EvRenderContext *rc;
5583 text = g_string_new (NULL);
5584 rc = ev_render_context_new (NULL, view->rotation, view->scale);
5586 ev_document_doc_mutex_lock ();
5588 for (l = view->selection_info.selections; l != NULL; l = l->next) {
5589 EvViewSelection *selection = (EvViewSelection *)l->data;
5593 page = ev_document_get_page (view->document, selection->page);
5594 ev_render_context_set_page (rc, page);
5595 g_object_unref (page);
5597 tmp = ev_selection_get_selected_text (EV_SELECTION (view->document),
5598 rc, selection->style,
5599 &(selection->rect));
5601 g_string_append (text, tmp);
5605 g_object_unref (rc);
5607 ev_document_doc_mutex_unlock ();
5609 normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC);
5610 g_string_free (text, TRUE);
5611 return normalized_text;
5615 ev_view_clipboard_copy (EvView *view,
5618 GtkClipboard *clipboard;
5620 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
5621 GDK_SELECTION_CLIPBOARD);
5622 gtk_clipboard_set_text (clipboard, text, -1);
5626 ev_view_copy (EvView *ev_view)
5630 if (!EV_IS_SELECTION (ev_view->document))
5633 text = get_selected_text (ev_view);
5634 ev_view_clipboard_copy (ev_view, text);
5639 ev_view_primary_get_cb (GtkClipboard *clipboard,
5640 GtkSelectionData *selection_data,
5644 EvView *ev_view = EV_VIEW (data);
5646 if (ev_view->link_selected) {
5647 gtk_selection_data_set_text (selection_data,
5648 ev_link_action_get_uri (ev_view->link_selected),
5650 } else if (EV_IS_SELECTION (ev_view->document) &&
5651 ev_view->selection_info.selections) {
5654 text = get_selected_text (ev_view);
5656 gtk_selection_data_set_text (selection_data, text, -1);
5663 ev_view_primary_clear_cb (GtkClipboard *clipboard,
5666 EvView *view = EV_VIEW (data);
5668 clear_selection (view);
5669 clear_link_selected (view);
5673 ev_view_update_primary_selection (EvView *ev_view)
5675 GtkClipboard *clipboard;
5677 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
5678 GDK_SELECTION_PRIMARY);
5680 if (ev_view->selection_info.selections || ev_view->link_selected) {
5681 if (!gtk_clipboard_set_with_owner (clipboard,
5683 G_N_ELEMENTS (clipboard_targets),
5684 ev_view_primary_get_cb,
5685 ev_view_primary_clear_cb,
5686 G_OBJECT (ev_view)))
5687 ev_view_primary_clear_cb (clipboard, ev_view);
5689 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
5690 gtk_clipboard_clear (clipboard);
5695 clear_link_selected (EvView *view)
5697 if (view->link_selected) {
5698 g_object_unref (view->link_selected);
5699 view->link_selected = NULL;
5704 ev_view_copy_link_address (EvView *view,
5705 EvLinkAction *action)
5707 clear_link_selected (view);
5709 ev_view_clipboard_copy (view, ev_link_action_get_uri (action));
5711 view->link_selected = g_object_ref (action);
5712 ev_view_update_primary_selection (view);
5715 /*** Cursor operations ***/
5718 ev_view_create_invisible_cursor(void)
5721 GdkColor black = { 0, 0, 0, 0 };
5722 static char bits[] = { 0x00 };
5724 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
5726 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
5730 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
5732 GdkCursor *cursor = NULL;
5733 GdkDisplay *display;
5736 if (view->cursor == new_cursor) {
5740 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
5741 display = gtk_widget_get_display (widget);
5742 view->cursor = new_cursor;
5744 switch (new_cursor) {
5745 case EV_VIEW_CURSOR_NORMAL:
5746 gdk_window_set_cursor (view->layout.bin_window, NULL);
5748 case EV_VIEW_CURSOR_IBEAM:
5749 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
5751 case EV_VIEW_CURSOR_LINK:
5752 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
5754 case EV_VIEW_CURSOR_WAIT:
5755 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
5757 case EV_VIEW_CURSOR_HIDDEN:
5758 cursor = ev_view_create_invisible_cursor ();
5760 case EV_VIEW_CURSOR_DRAG:
5761 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
5763 case EV_VIEW_CURSOR_AUTOSCROLL:
5764 cursor = gdk_cursor_new_for_display (display, GDK_DOUBLE_ARROW);
5769 gdk_window_set_cursor (view->layout.bin_window, cursor);
5770 gdk_cursor_unref (cursor);
5776 ev_view_hide_cursor (EvView *view)
5778 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
5782 ev_view_show_cursor (EvView *view)
5784 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
5788 ev_view_reset_presentation_state (EvView *view)
5790 if (!view->presentation ||
5791 view->presentation_state == EV_PRESENTATION_NORMAL)
5794 view->presentation_state = EV_PRESENTATION_NORMAL;
5795 gdk_window_set_background (view->layout.bin_window,
5796 >K_WIDGET (view)->style->black);
5797 gtk_widget_queue_draw (GTK_WIDGET (view));
5801 ev_view_next_page (EvView *view)
5805 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5807 if (!view->page_cache)
5810 if (view->presentation &&
5811 (view->presentation_state == EV_PRESENTATION_BLACK ||
5812 view->presentation_state == EV_PRESENTATION_WHITE)) {
5813 ev_view_reset_presentation_state (view);
5817 if (view->animation) {
5818 ev_view_transition_animation_finish (view->animation, view);
5822 ev_view_presentation_transition_stop (view);
5823 ev_view_reset_presentation_state (view);
5825 page = ev_page_cache_get_current_page (view->page_cache);
5826 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5828 if (view->dual_page && !view->presentation)
5833 if (page < n_pages) {
5834 ev_page_cache_set_current_page (view->page_cache, page);
5836 } else if (view->presentation && page == n_pages) {
5837 view->presentation_state = EV_PRESENTATION_END;
5838 gtk_widget_queue_draw (GTK_WIDGET (view));
5840 } else if (view->dual_page && page == n_pages) {
5841 ev_page_cache_set_current_page (view->page_cache, page - 1);
5849 ev_view_previous_page (EvView *view)
5853 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5855 if (!view->page_cache)
5858 if (view->presentation &&
5859 view->presentation_state == EV_PRESENTATION_END) {
5860 ev_view_reset_presentation_state (view);
5864 if (view->presentation &&
5865 (view->presentation_state == EV_PRESENTATION_BLACK ||
5866 view->presentation_state == EV_PRESENTATION_WHITE)) {
5867 ev_view_reset_presentation_state (view);
5871 if (view->animation) {
5872 ev_view_transition_animation_finish (view->animation, view);
5876 ev_view_reset_presentation_state (view);
5878 page = ev_page_cache_get_current_page (view->page_cache);
5880 if (view->dual_page && !view->presentation)
5886 ev_page_cache_set_current_page (view->page_cache, page);
5888 } else if (ev_view_get_dual_page (view) && page == -1) {
5889 ev_page_cache_set_current_page (view->page_cache, 0);
5896 /*** Enum description for usage in signal ***/
5899 ev_sizing_mode_get_type (void)
5901 static GType etype = 0;
5903 static const GEnumValue values[] = {
5904 { EV_SIZING_FIT_WIDTH, "EV_SIZING_FIT_WIDTH", "fit-width" },
5905 { EV_SIZING_BEST_FIT, "EV_SIZING_BEST_FIT", "best-fit" },
5906 { EV_SIZING_FREE, "EV_SIZING_FREE", "free" },
5909 etype = g_enum_register_static ("EvSizingMode", values);
5915 ev_scroll_type_get_type (void)
5917 static GType etype = 0;
5919 static const GEnumValue values[] = {
5920 { EV_SCROLL_PAGE_FORWARD, "EV_SCROLL_PAGE_FORWARD", "scroll-page-forward" },
5921 { EV_SCROLL_PAGE_BACKWARD, "EV_SCROLL_PAGE_BACKWARD", "scroll-page-backward" },
5922 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
5923 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
5924 { EV_SCROLL_STEP_UP, "EV_SCROLL_STEP_UP", "scroll-step-up" },
5925 { EV_SCROLL_STEP_DOWN, "EV_SCROLL_STEP_DOWN", "scroll-step-down" },
5928 etype = g_enum_register_static ("EvScrollType", values);
5934 ev_view_update_view_size (EvView *view, GtkScrolledWindow * scrolled_window)
5937 GtkRequisition vsb_requisition;
5938 GtkRequisition hsb_requisition;
5939 int scrollbar_spacing;
5941 /* Calculate the width available for the content */
5942 width = GTK_WIDGET (scrolled_window)->allocation.width;
5943 height = GTK_WIDGET (scrolled_window)->allocation.height;
5945 if (gtk_scrolled_window_get_shadow_type (scrolled_window) == GTK_SHADOW_IN
5947 width -= 2 * GTK_WIDGET(view)->style->xthickness;
5948 height -= 2 * GTK_WIDGET(view)->style->ythickness;
5951 gtk_widget_size_request (scrolled_window->vscrollbar, &vsb_requisition);
5952 gtk_widget_size_request (scrolled_window->hscrollbar, &hsb_requisition);
5953 gtk_widget_style_get (GTK_WIDGET (scrolled_window),
5954 "scrollbar_spacing",
5958 if (EV_IS_VIEW(view)) {
5959 ev_view_set_zoom_for_size (EV_VIEW (view),
5962 vsb_requisition.width + scrollbar_spacing,
5963 hsb_requisition.height + scrollbar_spacing);