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-find.h"
33 #include "ev-document-forms.h"
34 #include "ev-document-images.h"
35 #include "ev-document-links.h"
36 #include "ev-document-misc.h"
37 #include "ev-document-transition.h"
38 #include "ev-marshal.h"
39 #include "ev-page-cache.h"
40 #include "ev-pixbuf-cache.h"
41 #include "ev-transition-animation.h"
44 #include "ev-view-private.h"
46 #if !GTK_CHECK_VERSION (2, 11, 7)
47 #include "ev-tooltip.h"
50 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
51 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
52 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
68 SIGNAL_BINDING_ACTIVATED,
87 TARGET_TEXT_BUFFER_CONTENTS
90 static const GtkTargetEntry clipboard_targets[] = {
91 { "STRING", 0, TARGET_STRING },
92 { "TEXT", 0, TARGET_TEXT },
93 { "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT },
94 { "UTF8_STRING", 0, TARGET_UTF8_STRING },
97 static const GtkTargetEntry view_drop_targets[] = {
98 { "text/uri-list", 0, 0 }
101 static guint signals[N_SIGNALS];
106 } EvViewFindDirection;
108 #define ZOOM_IN_FACTOR 1.2
109 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
111 #define MIN_SCALE 0.05409
112 #define MAX_SCALE 4.0
114 #define SCROLL_TIME 150
117 static void scroll_to_current_page (EvView *view,
118 GtkOrientation orientation);
119 static void ev_view_set_scroll_adjustments (GtkLayout *layout,
120 GtkAdjustment *hadjustment,
121 GtkAdjustment *vadjustment);
122 static void view_update_range_and_current_page (EvView *view);
123 static void set_scroll_adjustment (EvView *view,
124 GtkOrientation orientation,
125 GtkAdjustment *adjustment);
126 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
128 GdkModifierType modifiers,
130 gboolean horizontal);
131 static void ensure_rectangle_is_visible (EvView *view,
134 /*** Geometry computations ***/
135 static void compute_border (EvView *view,
139 static void get_page_y_offset (EvView *view,
143 static gboolean get_page_extents (EvView *view,
145 GdkRectangle *page_area,
147 static void view_rect_to_doc_rect (EvView *view,
148 GdkRectangle *view_rect,
149 GdkRectangle *page_area,
150 EvRectangle *doc_rect);
151 static void doc_rect_to_view_rect (EvView *view,
153 EvRectangle *doc_rect,
154 GdkRectangle *view_rect);
155 static void find_page_at_location (EvView *view,
161 static gboolean doc_point_to_view_point (EvView *view,
164 GdkPoint *view_point);
166 static EvLink * ev_view_get_link_at_location (EvView *view,
169 static char* tip_from_link (EvView *view,
172 static EvFormField *ev_view_get_form_field_at_location (EvView *view,
176 /*** GtkWidget implementation ***/
177 static void ev_view_size_request_continuous_dual_page (EvView *view,
178 GtkRequisition *requisition);
179 static void ev_view_size_request_continuous (EvView *view,
180 GtkRequisition *requisition);
181 static void ev_view_size_request_dual_page (EvView *view,
182 GtkRequisition *requisition);
183 static void ev_view_size_request_single_page (EvView *view,
184 GtkRequisition *requisition);
185 static void ev_view_size_request (GtkWidget *widget,
186 GtkRequisition *requisition);
187 static void ev_view_size_allocate (GtkWidget *widget,
188 GtkAllocation *allocation);
189 static void ev_view_realize (GtkWidget *widget);
190 static gboolean ev_view_scroll_event (GtkWidget *widget,
191 GdkEventScroll *event);
192 static gboolean ev_view_expose_event (GtkWidget *widget,
193 GdkEventExpose *event);
194 static gboolean ev_view_popup_menu (GtkWidget *widget);
195 static gboolean ev_view_button_press_event (GtkWidget *widget,
196 GdkEventButton *event);
197 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
198 GdkEventMotion *event);
199 static gboolean ev_view_button_release_event (GtkWidget *widget,
200 GdkEventButton *event);
201 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
202 GdkEventCrossing *event);
203 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
204 GdkEventCrossing *event);
205 static void ev_view_style_set (GtkWidget *widget,
206 GtkStyle *old_style);
207 static void ev_view_remove_all (EvView *view);
209 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
212 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
213 static void draw_rubberband (GtkWidget *widget,
215 const GdkRectangle *rect,
217 static void highlight_find_results (EvView *view,
219 static void draw_one_page (EvView *view,
222 GdkRectangle *page_area,
224 GdkRectangle *expose_area,
225 gboolean *page_ready);
226 static void draw_loading_text (EvView *view,
227 GdkRectangle *page_area,
228 GdkRectangle *expose_area);
231 static void find_changed_cb (EvDocument *document,
234 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
237 static void page_changed_cb (EvPageCache *page_cache,
240 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
244 static void ev_view_finalize (GObject *object);
245 static void ev_view_destroy (GtkObject *object);
246 static void ev_view_set_property (GObject *object,
250 static void ev_view_get_property (GObject *object,
254 static void ev_view_class_init (EvViewClass *class);
255 static void ev_view_init (EvView *view);
257 /*** Zoom and sizing ***/
258 static double zoom_for_size_fit_width (int doc_width,
263 static double zoom_for_size_fit_height (int doc_width,
268 static double zoom_for_size_best_fit (int doc_width,
274 static void ev_view_zoom_for_size_presentation (EvView *view,
277 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
282 static void ev_view_zoom_for_size_continuous (EvView *view,
287 static void ev_view_zoom_for_size_dual_page (EvView *view,
292 static void ev_view_zoom_for_size_single_page (EvView *view,
298 static GdkCursor* ev_view_create_invisible_cursor (void);
299 static void ev_view_set_cursor (EvView *view,
300 EvViewCursor new_cursor);
301 static void ev_view_handle_cursor_over_xy (EvView *view,
306 static void update_find_status_message (EvView *view,
308 static void ev_view_set_find_status (EvView *view,
309 const char *message);
310 static void jump_to_find_result (EvView *view);
311 static void jump_to_find_page (EvView *view,
312 EvViewFindDirection direction,
316 static void compute_selections (EvView *view,
317 EvSelectionStyle style,
320 static void clear_selection (EvView *view);
321 static void clear_link_selected (EvView *view);
322 static void selection_free (EvViewSelection *selection);
323 static char* get_selected_text (EvView *ev_view);
324 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
325 GtkSelectionData *selection_data,
328 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
330 static void ev_view_update_primary_selection (EvView *ev_view);
332 /*** Presentation ***/
333 static void ev_view_presentation_transition_start (EvView *ev_view);
334 static void ev_view_presentation_transition_stop (EvView *ev_view);
337 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_LAYOUT)
340 scroll_to_current_page (EvView *view, GtkOrientation orientation)
344 if (view->document == NULL) {
348 doc_point_to_view_point (view, view->current_page, &view->pending_point, &view_point);
350 if (orientation == GTK_ORIENTATION_VERTICAL) {
351 view->pending_point.y = 0;
353 view->pending_point.x = 0;
356 if (orientation == GTK_ORIENTATION_VERTICAL) {
357 if (view->continuous) {
358 gtk_adjustment_clamp_page (view->vadjustment,
359 view_point.y - view->spacing / 2,
360 view_point.y + view->vadjustment->page_size);
362 gtk_adjustment_set_value (view->vadjustment,
364 view->vadjustment->lower,
365 view->vadjustment->upper -
366 view->vadjustment->page_size));
369 if (view->dual_page) {
370 gtk_adjustment_clamp_page (view->hadjustment,
372 view_point.x + view->hadjustment->page_size);
374 gtk_adjustment_set_value (view->hadjustment,
376 view->hadjustment->lower,
377 view->hadjustment->upper -
378 view->hadjustment->page_size));
384 view_set_adjustment_values (EvView *view,
385 GtkOrientation orientation)
387 GtkWidget *widget = GTK_WIDGET (view);
388 GtkAdjustment *adjustment;
395 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
396 requisition = widget->requisition.width;
397 allocation = widget->allocation.width;
398 adjustment = view->hadjustment;
400 requisition = widget->requisition.height;
401 allocation = widget->allocation.height;
402 adjustment = view->vadjustment;
409 switch (view->pending_scroll) {
410 case SCROLL_TO_KEEP_POSITION:
411 case SCROLL_TO_FIND_LOCATION:
412 factor = (adjustment->value) / adjustment->upper;
414 case SCROLL_TO_PAGE_POSITION:
416 case SCROLL_TO_CENTER:
417 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
421 adjustment->page_size = allocation;
422 adjustment->step_increment = allocation * 0.1;
423 adjustment->page_increment = allocation * 0.9;
424 adjustment->lower = 0;
425 adjustment->upper = MAX (allocation, requisition);
428 * We add 0.5 to the values before to average out our rounding errors.
430 switch (view->pending_scroll) {
431 case SCROLL_TO_KEEP_POSITION:
432 case SCROLL_TO_FIND_LOCATION:
433 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
434 gtk_adjustment_set_value (adjustment, (int)new_value);
436 case SCROLL_TO_PAGE_POSITION:
437 scroll_to_current_page (view, orientation);
439 case SCROLL_TO_CENTER:
440 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
441 0, adjustment->upper - adjustment->page_size);
442 gtk_adjustment_set_value (adjustment, (int)new_value);
446 gtk_adjustment_changed (adjustment);
450 view_update_range_and_current_page (EvView *view)
453 gint best_current_page = -1;
455 /* Presentation trumps all other modes */
456 if (view->presentation) {
457 view->start_page = view->current_page;
458 view->end_page = view->current_page;
459 } else if (view->continuous) {
460 GdkRectangle current_area, unused, page_area;
462 gboolean found = FALSE;
463 gint area_max = -1, area;
466 if (!(view->vadjustment && view->hadjustment))
469 current_area.x = view->hadjustment->value;
470 current_area.width = view->hadjustment->upper;
471 current_area.y = view->vadjustment->value;
472 current_area.height = view->vadjustment->page_size;
474 for (i = 0; i < ev_page_cache_get_n_pages (view->page_cache); i++) {
476 get_page_extents (view, i, &page_area, &border);
478 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
479 area = unused.width * unused.height;
483 view->start_page = i;
485 best_current_page = i;
487 if (area > area_max) {
488 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
493 } else if (found && view->current_page <= view->end_page) {
498 } else if (view->dual_page) {
499 if (view->current_page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) {
500 view->start_page = view->current_page;
501 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache))
502 view->end_page = view->start_page + 1;
504 view->end_page = view->start_page;
506 if (view->current_page < 1)
507 view->start_page = view->current_page;
509 view->start_page = view->current_page - 1;
510 view->end_page = view->current_page;
513 view->start_page = view->current_page;
514 view->end_page = view->current_page;
517 best_current_page = MAX (best_current_page, view->start_page);
518 current_page = ev_page_cache_get_current_page (view->page_cache);
520 if ((current_page != best_current_page) && (view->pending_scroll == SCROLL_TO_KEEP_POSITION)) {
521 view->current_page = best_current_page;
522 ev_page_cache_set_current_page (view->page_cache, best_current_page);
525 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
530 view->selection_info.selections);
534 set_scroll_adjustment (EvView *view,
535 GtkOrientation orientation,
536 GtkAdjustment *adjustment)
538 GtkAdjustment **to_set;
540 if (orientation == GTK_ORIENTATION_HORIZONTAL)
541 to_set = &view->hadjustment;
543 to_set = &view->vadjustment;
545 if (*to_set != adjustment) {
547 g_signal_handlers_disconnect_by_func (*to_set,
548 (gpointer) on_adjustment_value_changed,
550 g_object_unref (*to_set);
553 *to_set = adjustment;
554 view_set_adjustment_values (view, orientation);
557 g_object_ref (*to_set);
558 g_signal_connect (*to_set, "value_changed",
559 G_CALLBACK (on_adjustment_value_changed), view);
565 ev_view_set_scroll_adjustments (GtkLayout *layout,
566 GtkAdjustment *hadjustment,
567 GtkAdjustment *vadjustment)
569 EvView *view = EV_VIEW (layout);
571 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
572 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
574 on_adjustment_value_changed (NULL, view);
578 add_scroll_binding_keypad (GtkBindingSet *binding_set,
580 GdkModifierType modifiers,
584 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
586 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
587 "binding_activated", 2,
588 EV_TYPE_SCROLL_TYPE, scroll,
589 G_TYPE_BOOLEAN, horizontal);
590 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
591 "binding_activated", 2,
592 EV_TYPE_SCROLL_TYPE, scroll,
593 G_TYPE_BOOLEAN, horizontal);
597 ev_view_scroll (EvView *view,
601 GtkAdjustment *adjustment;
602 double value, increment;
603 gboolean first_page = FALSE;
604 gboolean last_page = FALSE;
606 view->jump_to_find_result = FALSE;
608 if (view->presentation || view->sizing_mode == EV_SIZING_BEST_FIT) {
610 case EV_SCROLL_PAGE_BACKWARD:
611 case EV_SCROLL_STEP_BACKWARD:
612 ev_view_previous_page (view);
614 case EV_SCROLL_PAGE_FORWARD:
615 case EV_SCROLL_STEP_FORWARD:
616 ev_view_next_page (view);
624 /* Assign values for increment and vertical adjustment */
625 adjustment = horizontal ? view->hadjustment : view->vadjustment;
626 increment = adjustment->page_size * 0.75;
627 value = adjustment->value;
629 /* Assign boolean for first and last page */
630 if (view->current_page == 0)
632 if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1)
636 case EV_SCROLL_PAGE_BACKWARD:
637 /* Do not jump backwards if at the first page */
638 if (value == (adjustment->lower) && first_page) {
640 /* At the top of a page, assign the upper bound limit of previous page */
641 } else if (value == (adjustment->lower)) {
642 value = adjustment->upper - adjustment->page_size;
643 ev_view_previous_page (view);
644 /* Jump to the top */
646 value = MAX (value - increment, adjustment->lower);
649 case EV_SCROLL_PAGE_FORWARD:
650 /* Do not jump forward if at the last page */
651 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
653 /* At the bottom of a page, assign the lower bound limit of next page */
654 } else if (value == (adjustment->upper - adjustment->page_size)) {
656 ev_view_next_page (view);
657 /* Jump to the bottom */
659 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
662 case EV_SCROLL_STEP_BACKWARD:
663 value -= adjustment->step_increment;
665 case EV_SCROLL_STEP_FORWARD:
666 value += adjustment->step_increment;
668 case EV_SCROLL_STEP_DOWN:
669 value -= adjustment->step_increment / 10;
671 case EV_SCROLL_STEP_UP:
672 value += adjustment->step_increment / 10;
678 value = CLAMP (value, adjustment->lower,
679 adjustment->upper - adjustment->page_size);
681 gtk_adjustment_set_value (adjustment, value);
687 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
689 GtkWidget *widget = GTK_WIDGET (view);
690 GtkAdjustment *adjustment;
693 view->pending_scroll = SCROLL_TO_FIND_LOCATION;
695 adjustment = view->vadjustment;
697 if (rect->y < adjustment->value) {
698 value = MAX (adjustment->lower, rect->y - MARGIN);
699 gtk_adjustment_set_value (view->vadjustment, value);
700 } else if (rect->y + rect->height >
701 adjustment->value + widget->allocation.height) {
702 value = MIN (adjustment->upper, rect->y + rect->height -
703 widget->allocation.height + MARGIN);
704 gtk_adjustment_set_value (view->vadjustment, value);
707 adjustment = view->hadjustment;
709 if (rect->x < adjustment->value) {
710 value = MAX (adjustment->lower, rect->x - MARGIN);
711 gtk_adjustment_set_value (view->hadjustment, value);
712 } else if (rect->x + rect->height >
713 adjustment->value + widget->allocation.width) {
714 value = MIN (adjustment->upper, rect->x + rect->width -
715 widget->allocation.width + MARGIN);
716 gtk_adjustment_set_value (view->hadjustment, value);
719 gtk_widget_queue_resize (GTK_WIDGET (view));
722 /*** Geometry computations ***/
725 compute_border (EvView *view, int width, int height, GtkBorder *border)
727 if (view->presentation) {
733 ev_document_misc_get_page_border_size (width, height, border);
738 get_page_y_offset (EvView *view, int page, double zoom, int *y_offset)
740 int max_width, offset;
743 g_return_if_fail (y_offset != NULL);
745 ev_page_cache_get_max_width (view->page_cache, view->rotation, zoom, &max_width);
747 compute_border (view, max_width, max_width, &border);
749 if (view->dual_page) {
750 ev_page_cache_get_height_to_page (view->page_cache, page,
751 view->rotation, zoom, NULL, &offset);
752 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);
754 ev_page_cache_get_height_to_page (view->page_cache, page,
755 view->rotation, zoom, &offset, NULL);
756 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
764 get_page_extents (EvView *view,
766 GdkRectangle *page_area,
772 widget = GTK_WIDGET (view);
774 /* Get the size of the page */
775 ev_page_cache_get_size (view->page_cache, page,
779 compute_border (view, width, height, border);
780 page_area->width = width + border->left + border->right;
781 page_area->height = height + border->top + border->bottom;
783 if (view->presentation) {
784 page_area->x = (MAX (0, widget->allocation.width - width))/2;
785 page_area->y = (MAX (0, widget->allocation.height - height))/2;
786 } else if (view->continuous) {
790 ev_page_cache_get_max_width (view->page_cache, view->rotation,
791 view->scale, &max_width);
792 max_width = max_width + border->left + border->right;
793 /* Get the location of the bounding box */
794 if (view->dual_page) {
795 x = view->spacing + ((page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? 0 : 1) * (max_width + view->spacing);
796 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
797 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
798 x = x + (max_width - width - border->left - border->right);
801 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
804 get_page_y_offset (view, page, view->scale, &y);
810 if (view->dual_page) {
811 gint width_2, height_2;
812 gint max_width = width;
813 gint max_height = height;
814 GtkBorder overall_border;
817 other_page = (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? page + 1: page - 1;
819 /* First, we get the bounding box of the two pages */
820 if (other_page < ev_page_cache_get_n_pages (view->page_cache)
821 && (0 <= other_page)) {
822 ev_page_cache_get_size (view->page_cache,
826 &width_2, &height_2);
829 if (height_2 > height)
830 max_height = height_2;
832 compute_border (view, max_width, max_height, &overall_border);
834 /* Find the offsets */
838 /* Adjust for being the left or right page */
839 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
840 x = x + max_width - width;
842 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
844 y = y + (max_height - height)/2;
846 /* Adjust for extra allocation */
847 x = x + MAX (0, widget->allocation.width -
848 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
849 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
854 /* Adjust for extra allocation */
855 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
856 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
867 view_point_to_doc_point (EvView *view,
868 GdkPoint *view_point,
869 GdkRectangle *page_area,
873 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
874 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
878 view_rect_to_doc_rect (EvView *view,
879 GdkRectangle *view_rect,
880 GdkRectangle *page_area,
881 EvRectangle *doc_rect)
883 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
884 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
885 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
886 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
890 doc_point_to_view_point (EvView *view,
893 GdkPoint *view_point)
895 GdkRectangle page_area;
897 double x, y, view_x, view_y;
900 ev_page_cache_get_size (view->page_cache, page,
905 if (view->rotation == 0) {
908 } else if (view->rotation == 90) {
909 x = width - doc_point->y;
911 } else if (view->rotation == 180) {
912 x = width - doc_point->x;
913 y = height - doc_point->y;
914 } else if (view->rotation == 270) {
916 y = height - doc_point->x;
918 g_assert_not_reached ();
921 get_page_extents (view, page, &page_area, &border);
923 view_x = x * view->scale;
924 view_y = y * view->scale;
925 view_point->x = view_x + page_area.x;
926 view_point->y = view_y + page_area.y;
928 return (view_x > 0 && view_x <= page_area.width &&
929 view_y > 0 && view_y <= page_area.height);
933 doc_rect_to_view_rect (EvView *view,
935 EvRectangle *doc_rect,
936 GdkRectangle *view_rect)
938 GdkRectangle page_area;
943 ev_page_cache_get_size (view->page_cache, page,
948 if (view->rotation == 0) {
951 w = doc_rect->x2 - doc_rect->x1;
952 h = doc_rect->y2 - doc_rect->y1;
953 } else if (view->rotation == 90) {
954 x = width - doc_rect->y2;
956 w = doc_rect->y2 - doc_rect->y1;
957 h = doc_rect->x2 - doc_rect->x1;
958 } else if (view->rotation == 180) {
959 x = width - doc_rect->x2;
960 y = height - doc_rect->y2;
961 w = doc_rect->x2 - doc_rect->x1;
962 h = doc_rect->y2 - doc_rect->y1;
963 } else if (view->rotation == 270) {
965 y = height - doc_rect->x2;
966 w = doc_rect->y2 - doc_rect->y1;
967 h = doc_rect->x2 - doc_rect->x1;
969 g_assert_not_reached ();
972 get_page_extents (view, page, &page_area, &border);
974 view_rect->x = x * view->scale + page_area.x;
975 view_rect->y = y * view->scale + page_area.y;
976 view_rect->width = w * view->scale;
977 view_rect->height = h * view->scale;
981 find_page_at_location (EvView *view,
990 if (view->document == NULL)
997 for (i = view->start_page; i <= view->end_page; i++) {
998 GdkRectangle page_area;
1001 if (! get_page_extents (view, i, &page_area, &border))
1004 if ((x >= page_area.x + border.left) &&
1005 (x < page_area.x + page_area.width - border.right) &&
1006 (y >= page_area.y + border.top) &&
1007 (y < page_area.y + page_area.height - border.bottom)) {
1009 *x_offset = x - (page_area.x + border.left);
1010 *y_offset = y - (page_area.y + border.top);
1019 location_in_text (EvView *view,
1025 gint x_offset = 0, y_offset = 0;
1027 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1032 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
1035 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1041 ev_view_get_width (EvView *view)
1043 return GTK_WIDGET (view)->allocation.width;
1047 ev_view_get_height (EvView *view)
1049 return GTK_WIDGET (view)->allocation.height;
1053 location_in_selected_text (EvView *view,
1058 gint x_offset = 0, y_offset = 0;
1059 EvViewSelection *selection;
1062 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1063 selection = (EvViewSelection *)l->data;
1065 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1067 if (page != selection->page)
1070 if (selection->covered_region &&
1071 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1079 get_doc_point_from_offset (EvView *view,
1089 ev_page_cache_get_size (view->page_cache, page,
1094 x_offset = x_offset / view->scale;
1095 y_offset = y_offset / view->scale;
1097 if (view->rotation == 0) {
1100 } else if (view->rotation == 90) {
1102 y = width - x_offset;
1103 } else if (view->rotation == 180) {
1104 x = width - x_offset;
1105 y = height - y_offset;
1106 } else if (view->rotation == 270) {
1107 x = height - y_offset;
1110 g_assert_not_reached ();
1121 ev_view_get_link_at_location (EvView *view,
1126 gint x_offset = 0, y_offset = 0;
1127 gint x_new = 0, y_new = 0;
1128 GList *link_mapping;
1130 if (!EV_IS_DOCUMENT_LINKS (view->document))
1133 x += view->scroll_x;
1134 y += view->scroll_y;
1136 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1142 if (get_doc_point_from_offset (view, page, x_offset,
1143 y_offset, &x_new, &y_new) == FALSE)
1146 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1149 return ev_link_mapping_find (link_mapping, x_new, y_new);
1155 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1158 gdouble zoom, left, top;
1159 gboolean change_left, change_top;
1161 left = ev_link_dest_get_left (dest, &change_left);
1162 top = ev_link_dest_get_top (dest, &change_top);
1164 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - left,
1165 ev_link_dest_get_bottom (dest) - top,
1166 ev_view_get_width (view),
1167 ev_view_get_height (view), 0, 0);
1169 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1170 ev_view_set_zoom (view, zoom, FALSE);
1172 doc_point.x = change_left ? left : 0;
1173 doc_point.y = change_top ? top : 0;
1175 view->current_page = ev_link_dest_get_page (dest);
1176 if (change_left || change_top)
1177 view->pending_point = doc_point;
1178 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1180 gtk_widget_queue_resize (GTK_WIDGET (view));
1184 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1187 int doc_width, doc_height, page;
1189 gboolean change_left;
1191 page = ev_link_dest_get_page (dest);
1192 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1194 left = ev_link_dest_get_left (dest, &change_left);
1195 doc_point.x = change_left ? left : 0;
1198 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1199 ev_view_get_width (view),
1200 ev_view_get_height (view), 0);
1202 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1203 ev_view_set_zoom (view, zoom, FALSE);
1205 view->current_page = page;
1207 view->pending_point = doc_point;
1208 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1210 gtk_widget_queue_resize (GTK_WIDGET (view));
1214 goto_fith_dest (EvView *view, EvLinkDest *dest)
1217 int doc_width, doc_height, page;
1219 gboolean change_top;
1221 page = ev_link_dest_get_page (dest);
1222 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1224 top = ev_link_dest_get_top (dest, &change_top);
1227 doc_point.y = change_top ? top : 0;
1229 zoom = zoom_for_size_fit_width (doc_width, top,
1230 ev_view_get_width (view),
1231 ev_view_get_height (view), 0);
1233 ev_view_set_sizing_mode (view, EV_SIZING_FIT_WIDTH);
1234 ev_view_set_zoom (view, zoom, FALSE);
1236 view->current_page = page;
1238 view->pending_point = doc_point;
1239 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1241 gtk_widget_queue_resize (GTK_WIDGET (view));
1245 goto_fit_dest (EvView *view, EvLinkDest *dest)
1248 int doc_width, doc_height;
1251 page = ev_link_dest_get_page (dest);
1252 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1254 zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view),
1255 ev_view_get_height (view), 0, 0);
1257 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
1258 ev_view_set_zoom (view, zoom, FALSE);
1260 view->current_page = page;
1261 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1263 gtk_widget_queue_resize (GTK_WIDGET (view));
1267 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1271 gdouble zoom, left, top;
1272 gboolean change_zoom, change_left, change_top;
1274 zoom = ev_link_dest_get_zoom (dest, &change_zoom);
1275 page = ev_link_dest_get_page (dest);
1277 if (change_zoom && zoom > 1) {
1278 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1279 ev_view_set_zoom (view, zoom, FALSE);
1282 left = ev_link_dest_get_left (dest, &change_left);
1283 top = ev_link_dest_get_top (dest, &change_top);
1285 doc_point.x = change_left ? left : 0;
1286 doc_point.y = change_top ? top : 0;
1288 view->current_page = page;
1289 if (change_left || change_top)
1290 view->pending_point = doc_point;
1291 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1293 gtk_widget_queue_resize (GTK_WIDGET (view));
1297 goto_dest (EvView *view, EvLinkDest *dest)
1299 EvLinkDestType type;
1300 int page, n_pages, current_page;
1302 page = ev_link_dest_get_page (dest);
1303 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1305 if (page < 0 || page >= n_pages)
1308 current_page = view->current_page;
1310 type = ev_link_dest_get_dest_type (dest);
1313 case EV_LINK_DEST_TYPE_PAGE:
1314 ev_page_cache_set_current_page (view->page_cache, page);
1316 case EV_LINK_DEST_TYPE_FIT:
1317 goto_fit_dest (view, dest);
1319 case EV_LINK_DEST_TYPE_FITH:
1320 goto_fith_dest (view, dest);
1322 case EV_LINK_DEST_TYPE_FITV:
1323 goto_fitv_dest (view, dest);
1325 case EV_LINK_DEST_TYPE_FITR:
1326 goto_fitr_dest (view, dest);
1328 case EV_LINK_DEST_TYPE_XYZ:
1329 goto_xyz_dest (view, dest);
1331 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1332 ev_page_cache_set_page_label (view->page_cache, ev_link_dest_get_page_label (dest));
1335 g_assert_not_reached ();
1338 if (current_page != view->current_page)
1339 ev_page_cache_set_current_page (view->page_cache,
1340 view->current_page);
1344 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1346 EvLinkDestType type;
1348 type = ev_link_dest_get_dest_type (dest);
1350 if (type == EV_LINK_DEST_TYPE_NAMED) {
1352 const gchar *named_dest;
1354 named_dest = ev_link_dest_get_named_dest (dest);
1355 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1358 goto_dest (view, dest2);
1359 g_object_unref (dest2);
1365 goto_dest (view, dest);
1369 ev_view_handle_link (EvView *view, EvLink *link)
1371 EvLinkAction *action = NULL;
1372 EvLinkActionType type;
1374 action = ev_link_get_action (link);
1378 type = ev_link_action_get_action_type (action);
1381 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1384 g_signal_emit (view, signals[SIGNAL_HANDLE_LINK], 0, link);
1386 dest = ev_link_action_get_dest (action);
1387 ev_view_goto_dest (view, dest);
1390 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1391 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1392 case EV_LINK_ACTION_TYPE_LAUNCH:
1393 case EV_LINK_ACTION_TYPE_NAMED:
1394 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1400 ev_view_page_label_from_dest (EvView *view, EvLinkDest *dest)
1402 EvLinkDestType type;
1405 type = ev_link_dest_get_dest_type (dest);
1408 case EV_LINK_DEST_TYPE_NAMED: {
1410 const gchar *named_dest;
1412 named_dest = ev_link_dest_get_named_dest (dest);
1413 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1416 msg = ev_page_cache_get_page_label (view->page_cache,
1417 ev_link_dest_get_page (dest2));
1418 g_object_unref (dest2);
1423 case EV_LINK_DEST_TYPE_PAGE_LABEL: {
1424 msg = g_strdup (ev_link_dest_get_page_label (dest));
1428 msg = ev_page_cache_get_page_label (view->page_cache,
1429 ev_link_dest_get_page (dest));
1436 tip_from_action_named (EvLinkAction *action)
1438 const gchar *name = ev_link_action_get_name (action);
1440 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1441 return g_strdup (_("Go to first page"));
1442 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1443 return g_strdup (_("Go to previous page"));
1444 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1445 return g_strdup (_("Go to next page"));
1446 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1447 return g_strdup (_("Go to last page"));
1448 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1449 return g_strdup (_("Go to page"));
1450 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1451 return g_strdup (_("Find"));
1458 tip_from_link (EvView *view, EvLink *link)
1460 EvLinkAction *action;
1461 EvLinkActionType type;
1466 action = ev_link_get_action (link);
1467 title = ev_link_get_title (link);
1470 return title ? g_strdup (title) : NULL;
1472 type = ev_link_action_get_action_type (action);
1475 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1476 page_label = ev_view_page_label_from_dest (view,
1477 ev_link_action_get_dest (action));
1479 msg = g_strdup_printf (_("Go to page %s"), page_label);
1480 g_free (page_label);
1483 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1485 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1486 ev_link_action_get_filename (action));
1488 msg = g_strdup_printf (_("Go to file “%s”"),
1489 ev_link_action_get_filename (action));
1492 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1493 msg = g_strdup (ev_link_action_get_uri (action));
1495 case EV_LINK_ACTION_TYPE_LAUNCH:
1496 msg = g_strdup_printf (_("Launch %s"),
1497 ev_link_action_get_filename (action));
1499 case EV_LINK_ACTION_TYPE_NAMED:
1500 msg = tip_from_action_named (action);
1504 msg = g_strdup (title);
1512 ev_view_handle_cursor_over_xy (EvView *view, gint x, gint y)
1517 if (view->cursor == EV_VIEW_CURSOR_HIDDEN)
1520 if (view->drag_info.in_drag) {
1521 if (view->cursor != EV_VIEW_CURSOR_DRAG)
1522 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1526 if (view->scroll_info.autoscrolling) {
1527 if (view->cursor != EV_VIEW_CURSOR_AUTOSCROLL)
1528 ev_view_set_cursor (view, EV_VIEW_CURSOR_AUTOSCROLL);
1532 link = ev_view_get_link_at_location (view, x, y);
1534 #if !GTK_CHECK_VERSION (2, 11, 7)
1535 if (view->link_tooltip == NULL) {
1536 view->link_tooltip = ev_tooltip_new (GTK_WIDGET (view));
1539 if (view->hovered_link != link) {
1540 view->hovered_link = link;
1541 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
1546 #if GTK_CHECK_VERSION (2, 11, 7)
1547 g_object_set (view, "has-tooltip", TRUE, NULL);
1549 char *msg = tip_from_link (view, link);
1551 if (msg && g_utf8_validate (msg, -1, NULL)) {
1552 EvTooltip *tooltip = EV_TOOLTIP (view->link_tooltip);
1554 ev_tooltip_set_position (tooltip, x, y);
1555 ev_tooltip_set_text (tooltip, msg);
1556 ev_tooltip_activate (tooltip);
1560 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1561 } else if ((field = ev_view_get_form_field_at_location (view, x, y))) {
1562 if (field->is_read_only) {
1563 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1564 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1565 view->cursor == EV_VIEW_CURSOR_DRAG)
1566 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1567 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
1568 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1570 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1572 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1573 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1575 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1576 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1577 view->cursor == EV_VIEW_CURSOR_DRAG ||
1578 view->cursor == EV_VIEW_CURSOR_AUTOSCROLL)
1579 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1585 ev_view_get_image_at_location (EvView *view,
1590 gint x_offset = 0, y_offset = 0;
1591 gint x_new = 0, y_new = 0;
1592 GList *image_mapping;
1594 if (!EV_IS_DOCUMENT_IMAGES (view->document))
1597 x += view->scroll_x;
1598 y += view->scroll_y;
1600 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1605 if (get_doc_point_from_offset (view, page, x_offset,
1606 y_offset, &x_new, &y_new) == FALSE)
1609 image_mapping = ev_pixbuf_cache_get_image_mapping (view->pixbuf_cache, page);
1612 return ev_image_mapping_find (image_mapping, x_new, y_new);
1618 static EvFormField *
1619 ev_view_get_form_field_at_location (EvView *view,
1624 gint x_offset = 0, y_offset = 0;
1625 gint x_new = 0, y_new = 0;
1626 GList *forms_mapping;
1628 if (!EV_IS_DOCUMENT_FORMS (view->document))
1631 x += view->scroll_x;
1632 y += view->scroll_y;
1634 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1639 if (get_doc_point_from_offset (view, page, x_offset,
1640 y_offset, &x_new, &y_new) == FALSE)
1643 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, page);
1646 return ev_form_field_mapping_find (forms_mapping, x_new, y_new);
1652 ev_view_form_field_get_region (EvView *view,
1655 EvRectangle field_area;
1656 GdkRectangle view_area;
1657 GList *forms_mapping;
1659 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
1660 field->page->index);
1661 ev_form_field_mapping_get_area (forms_mapping, field, &field_area);
1662 doc_rect_to_view_rect (view, field->page->index, &field_area, &view_area);
1663 view_area.x -= view->scroll_x;
1664 view_area.y -= view->scroll_y;
1666 return gdk_region_rectangle (&view_area);
1670 ev_view_forms_remove_widgets (EvView *view)
1672 ev_view_remove_all (view);
1678 ev_view_form_field_destroy (GtkWidget *widget,
1681 g_idle_add ((GSourceFunc)ev_view_forms_remove_widgets, view);
1685 ev_view_form_field_button_create_widget (EvView *view,
1688 EvFormFieldButton *field_button = EV_FORM_FIELD_BUTTON (field);
1689 GdkRegion *field_region = NULL;
1691 switch (field_button->type) {
1692 case EV_FORM_FIELD_BUTTON_PUSH:
1694 case EV_FORM_FIELD_BUTTON_CHECK:
1695 case EV_FORM_FIELD_BUTTON_RADIO: {
1697 GList *forms_mapping, *l;
1699 state = ev_document_forms_form_field_button_get_state (EV_DOCUMENT_FORMS (view->document),
1702 /* FIXME: it actually depends on NoToggleToOff flags */
1703 if (field_button->type == EV_FORM_FIELD_BUTTON_RADIO &&
1704 state && field_button->state)
1707 field_region = ev_view_form_field_get_region (view, field);
1709 /* For radio buttons and checkbox buttons that are in a set
1710 * we need to update also the region for the current selected item
1712 forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
1713 field->page->index);
1714 for (l = forms_mapping; l; l = g_list_next (l)) {
1715 EvFormField *button = ((EvFormFieldMapping *)(l->data))->field;
1716 GdkRegion *button_region;
1718 if (button->id == field->id)
1721 /* FIXME: only buttons in the same group should be updated */
1722 if (!EV_IS_FORM_FIELD_BUTTON (button) ||
1723 EV_FORM_FIELD_BUTTON (button)->type != field_button->type ||
1724 EV_FORM_FIELD_BUTTON (button)->state != TRUE)
1727 button_region = ev_view_form_field_get_region (view, button);
1728 gdk_region_union (field_region, button_region);
1729 gdk_region_destroy (button_region);
1732 ev_document_forms_form_field_button_set_state (EV_DOCUMENT_FORMS (view->document),
1734 field_button->state = !state;
1739 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
1744 gdk_region_destroy (field_region);
1750 ev_view_form_field_text_save (EvView *view,
1755 if (!view->document)
1758 field = g_object_get_data (G_OBJECT (widget), "form-field");
1760 if (field->changed) {
1761 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1762 GdkRegion *field_region;
1764 field_region = ev_view_form_field_get_region (view, field);
1766 ev_document_forms_form_field_text_set_text (EV_DOCUMENT_FORMS (view->document),
1767 field, field_text->text);
1768 field->changed = FALSE;
1769 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
1774 gdk_region_destroy (field_region);
1779 ev_view_form_field_text_changed (GtkWidget *widget,
1782 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1785 if (GTK_IS_ENTRY (widget)) {
1786 text = g_strdup (gtk_entry_get_text (GTK_ENTRY (widget)));
1787 } else if (GTK_IS_TEXT_BUFFER (widget)) {
1788 GtkTextIter start, end;
1790 gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (widget), &start, &end);
1791 text = gtk_text_buffer_get_text (GTK_TEXT_BUFFER (widget),
1792 &start, &end, FALSE);
1795 if (!field_text->text ||
1796 (field_text->text && g_ascii_strcasecmp (field_text->text, text) != 0)) {
1797 g_free (field_text->text);
1798 field_text->text = text;
1799 field->changed = TRUE;
1804 ev_view_form_field_text_create_widget (EvView *view,
1807 EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
1808 GtkWidget *text = NULL;
1811 txt = ev_document_forms_form_field_text_get_text (EV_DOCUMENT_FORMS (view->document),
1814 switch (field_text->type) {
1815 case EV_FORM_FIELD_TEXT_FILE_SELECT:
1817 case EV_FORM_FIELD_TEXT_NORMAL:
1818 text = gtk_entry_new ();
1819 gtk_entry_set_has_frame (GTK_ENTRY (text), FALSE);
1820 gtk_entry_set_max_length (GTK_ENTRY (text), field_text->max_len);
1821 gtk_entry_set_visibility (GTK_ENTRY (text), !field_text->is_password);
1824 gtk_entry_set_text (GTK_ENTRY (text), txt);
1828 g_signal_connect (G_OBJECT (text), "changed",
1829 G_CALLBACK (ev_view_form_field_text_changed),
1831 g_signal_connect_after (G_OBJECT (text), "activate",
1832 G_CALLBACK (ev_view_form_field_destroy),
1835 case EV_FORM_FIELD_TEXT_MULTILINE: {
1836 GtkTextBuffer *buffer;
1838 text = gtk_text_view_new ();
1839 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text));
1842 gtk_text_buffer_set_text (buffer, txt, -1);
1846 g_signal_connect (G_OBJECT (buffer), "changed",
1847 G_CALLBACK (ev_view_form_field_text_changed),
1853 g_object_weak_ref (G_OBJECT (text),
1854 (GWeakNotify)ev_view_form_field_text_save,
1861 ev_view_form_field_choice_save (EvView *view,
1866 if (!view->document)
1869 field = g_object_get_data (G_OBJECT (widget), "form-field");
1871 if (field->changed) {
1873 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
1874 GdkRegion *field_region;
1876 field_region = ev_view_form_field_get_region (view, field);
1878 if (field_choice->is_editable) {
1879 ev_document_forms_form_field_choice_set_text (EV_DOCUMENT_FORMS (view->document),
1880 field, field_choice->text);
1882 ev_document_forms_form_field_choice_unselect_all (EV_DOCUMENT_FORMS (view->document), field);
1883 for (l = field_choice->selected_items; l; l = g_list_next (l)) {
1884 ev_document_forms_form_field_choice_select_item (EV_DOCUMENT_FORMS (view->document),
1886 GPOINTER_TO_INT (l->data));
1889 field->changed = FALSE;
1890 ev_pixbuf_cache_reload_page (view->pixbuf_cache,
1895 gdk_region_destroy (field_region);
1900 ev_view_form_field_choice_changed (GtkWidget *widget,
1903 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
1905 if (GTK_IS_COMBO_BOX (widget)) {
1908 item = gtk_combo_box_get_active (GTK_COMBO_BOX (widget));
1909 if (!field_choice->selected_items ||
1910 GPOINTER_TO_INT (field_choice->selected_items->data) != item) {
1911 g_list_free (field_choice->selected_items);
1912 field_choice->selected_items = NULL;
1913 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1914 GINT_TO_POINTER (item));
1915 field->changed = TRUE;
1918 if (GTK_IS_COMBO_BOX_ENTRY (widget)) {
1921 text = gtk_combo_box_get_active_text (GTK_COMBO_BOX (widget));
1922 if (!field_choice->text ||
1923 (field_choice->text && g_ascii_strcasecmp (field_choice->text, text) != 0)) {
1924 g_free (field_choice->text);
1925 field_choice->text = text;
1926 field->changed = TRUE;
1929 } else if (GTK_IS_TREE_SELECTION (widget)) {
1930 GtkTreeSelection *selection = GTK_TREE_SELECTION (widget);
1931 GtkTreeModel *model;
1934 items = gtk_tree_selection_get_selected_rows (selection, &model);
1935 g_list_free (field_choice->selected_items);
1936 field_choice->selected_items = NULL;
1938 for (l = items; l && l->data; l = g_list_next (l)) {
1940 GtkTreePath *path = (GtkTreePath *)l->data;
1943 gtk_tree_model_get_iter (model, &iter, path);
1944 gtk_tree_model_get (model, &iter, 1, &item, -1);
1946 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1947 GINT_TO_POINTER (item));
1949 gtk_tree_path_free (path);
1952 g_list_free (items);
1954 field->changed = TRUE;
1959 ev_view_form_field_choice_create_widget (EvView *view,
1962 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
1964 GtkTreeModel *model;
1966 gint selected_item = 0;
1968 n_items = ev_document_forms_form_field_choice_get_n_items (EV_DOCUMENT_FORMS (view->document),
1970 model = GTK_TREE_MODEL (gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT));
1971 for (i = 0; i < n_items; i++) {
1975 item = ev_document_forms_form_field_choice_get_item (EV_DOCUMENT_FORMS (view->document),
1977 if (ev_document_forms_form_field_choice_is_item_selected (
1978 EV_DOCUMENT_FORMS (view->document), field, i)) {
1980 /* FIXME: we need a get_selected_items function in poppler */
1981 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1982 GINT_TO_POINTER (i));
1986 gtk_list_store_append (GTK_LIST_STORE (model), &iter);
1987 gtk_list_store_set (GTK_LIST_STORE (model), &iter,
1995 if (field_choice->type == EV_FORM_FIELD_CHOICE_LIST) {
1996 GtkCellRenderer *renderer;
1997 GtkWidget *tree_view;
1998 GtkTreeSelection *selection;
2000 tree_view = gtk_tree_view_new_with_model (model);
2001 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);
2003 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
2004 if (field_choice->multi_select) {
2005 gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
2008 /* TODO: set selected items */
2010 renderer = gtk_cell_renderer_text_new ();
2011 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
2017 choice = gtk_scrolled_window_new (NULL, NULL);
2018 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (choice),
2019 GTK_POLICY_AUTOMATIC,
2020 GTK_POLICY_AUTOMATIC);
2021 gtk_container_add (GTK_CONTAINER (choice), tree_view);
2022 gtk_widget_show (tree_view);
2024 g_signal_connect (G_OBJECT (selection), "changed",
2025 G_CALLBACK (ev_view_form_field_choice_changed),
2027 g_signal_connect_after (G_OBJECT (selection), "changed",
2028 G_CALLBACK (ev_view_form_field_destroy),
2030 } else if (field_choice->is_editable) { /* ComboBoxEntry */
2033 choice = gtk_combo_box_entry_new_with_model (model, 0);
2034 text = ev_document_forms_form_field_choice_get_text (EV_DOCUMENT_FORMS (view->document), field);
2036 gtk_entry_set_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (choice))), text);
2040 g_signal_connect (G_OBJECT (choice), "changed",
2041 G_CALLBACK (ev_view_form_field_choice_changed),
2043 g_signal_connect_after (G_OBJECT (GTK_BIN (choice)->child), "activate",
2044 G_CALLBACK (ev_view_form_field_destroy),
2046 } else { /* ComboBoxText */
2047 GtkCellRenderer *renderer;
2049 choice = gtk_combo_box_new_with_model (model);
2050 renderer = gtk_cell_renderer_text_new ();
2051 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (choice),
2053 gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (choice),
2057 gtk_combo_box_set_active (GTK_COMBO_BOX (choice), selected_item);
2058 gtk_combo_box_popup (GTK_COMBO_BOX (choice));
2060 g_signal_connect (G_OBJECT (choice), "changed",
2061 G_CALLBACK (ev_view_form_field_choice_changed),
2063 g_signal_connect_after (G_OBJECT (choice), "changed",
2064 G_CALLBACK (ev_view_form_field_destroy),
2068 g_object_unref (model);
2070 g_object_weak_ref (G_OBJECT (choice),
2071 (GWeakNotify)ev_view_form_field_choice_save,
2078 ev_view_handle_form_field (EvView *view,
2083 GtkWidget *field_widget = NULL;
2084 GList *form_field_mapping;
2085 EvRectangle field_area;
2086 GdkRectangle view_area;
2088 if (field->is_read_only)
2091 if (EV_IS_FORM_FIELD_BUTTON (field)) {
2092 field_widget = ev_view_form_field_button_create_widget (view, field);
2093 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
2094 field_widget = ev_view_form_field_text_create_widget (view, field);
2095 } else if (EV_IS_FORM_FIELD_CHOICE (field)) {
2096 field_widget = ev_view_form_field_choice_create_widget (view, field);
2097 } else if (EV_IS_FORM_FIELD_SIGNATURE (field)) {
2101 /* Form field doesn't require a widget */
2105 g_object_set_data_full (G_OBJECT (field_widget), "form-field",
2106 g_object_ref (field),
2107 (GDestroyNotify)g_object_unref);
2109 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, field->page->index);
2110 ev_form_field_mapping_get_area (form_field_mapping, field, &field_area);
2112 doc_rect_to_view_rect (view, field->page->index, &field_area, &view_area);
2113 view_area.x -= view->scroll_x;
2114 view_area.y -= view->scroll_y;
2116 gtk_layout_put (GTK_LAYOUT (view), field_widget, view_area.x, view_area.y);
2117 gtk_widget_show (field_widget);
2118 gtk_widget_grab_focus (field_widget);
2121 /*** GtkWidget implementation ***/
2124 ev_view_size_request_continuous_dual_page (EvView *view,
2125 GtkRequisition *requisition)
2131 ev_page_cache_get_max_width (view->page_cache, view->rotation,
2132 view->scale, &max_width);
2133 compute_border (view, max_width, max_width, &border);
2135 n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1;
2137 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
2138 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
2140 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2141 requisition->width = 1;
2142 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2143 requisition->width = 1;
2144 /* FIXME: This could actually be set on one page docs or docs
2145 * with a strange aspect ratio. */
2146 /* requisition->height = 1;*/
2151 ev_view_size_request_continuous (EvView *view,
2152 GtkRequisition *requisition)
2159 ev_page_cache_get_max_width (view->page_cache, view->rotation,
2160 view->scale, &max_width);
2161 n_pages = ev_page_cache_get_n_pages (view->page_cache);
2162 compute_border (view, max_width, max_width, &border);
2164 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
2165 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
2167 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2168 requisition->width = 1;
2169 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2170 requisition->width = 1;
2171 /* FIXME: This could actually be set on one page docs or docs
2172 * with a strange aspect ratio. */
2173 /* requisition->height = 1;*/
2178 ev_view_size_request_dual_page (EvView *view,
2179 GtkRequisition *requisition)
2184 /* Find the largest of the two. */
2185 ev_page_cache_get_size (view->page_cache,
2190 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) {
2191 gint width_2, height_2;
2192 ev_page_cache_get_size (view->page_cache,
2193 view->current_page + 1,
2196 &width_2, &height_2);
2197 if (width_2 > width) {
2202 compute_border (view, width, height, &border);
2204 requisition->width = ((width + border.left + border.right) * 2) +
2205 (view->spacing * 3);
2206 requisition->height = (height + border.top + border.bottom) +
2207 (view->spacing * 2);
2209 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2210 requisition->width = 1;
2211 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2212 requisition->width = 1;
2213 requisition->height = 1;
2218 ev_view_size_request_single_page (EvView *view,
2219 GtkRequisition *requisition)
2224 ev_page_cache_get_size (view->page_cache,
2229 compute_border (view, width, height, &border);
2231 requisition->width = width + border.left + border.right + (2 * view->spacing);
2232 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2234 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2235 requisition->width = 1;
2236 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2237 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2238 requisition->width = 1;
2239 requisition->height = 1;
2244 ev_view_size_request (GtkWidget *widget,
2245 GtkRequisition *requisition)
2247 EvView *view = EV_VIEW (widget);
2249 if (view->document == NULL) {
2250 requisition->width = 1;
2251 requisition->height = 1;
2255 if (view->presentation) {
2256 requisition->width = 1;
2257 requisition->height = 1;
2261 if (view->continuous && view->dual_page)
2262 ev_view_size_request_continuous_dual_page (view, requisition);
2263 else if (view->continuous)
2264 ev_view_size_request_continuous (view, requisition);
2265 else if (view->dual_page)
2266 ev_view_size_request_dual_page (view, requisition);
2268 ev_view_size_request_single_page (view, requisition);
2272 ev_view_size_allocate (GtkWidget *widget,
2273 GtkAllocation *allocation)
2275 EvView *view = EV_VIEW (widget);
2276 GList *children, *l;
2278 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
2280 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2281 view->sizing_mode == EV_SIZING_BEST_FIT) {
2283 g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0);
2285 ev_view_size_request (widget, &widget->requisition);
2288 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
2289 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
2292 view_update_range_and_current_page (view);
2294 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2295 view->pending_resize = FALSE;
2297 children = gtk_container_get_children (GTK_CONTAINER (widget));
2298 for (l = children; l && l->data; l = g_list_next (l)) {
2300 EvRectangle field_area;
2301 GdkRectangle view_area;
2302 GList *form_field_mapping;
2303 GtkAllocation child_allocation;
2304 GtkRequisition child_requisition;
2305 GtkWidget *child = (GtkWidget *)l->data;
2307 field = g_object_get_data (G_OBJECT (child), "form-field");
2311 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
2312 field->page->index);
2313 ev_form_field_mapping_get_area (form_field_mapping, field, &field_area);
2315 doc_rect_to_view_rect (view, field->page->index, &field_area, &view_area);
2316 view_area.x -= view->scroll_x;
2317 view_area.y -= view->scroll_y;
2319 gtk_widget_size_request (child, &child_requisition);
2320 if (child_requisition.width != view_area.width ||
2321 child_requisition.height != view_area.height)
2322 gtk_widget_set_size_request (child, view_area.width, view_area.height);
2324 gtk_container_child_get (GTK_CONTAINER (widget),
2326 "x", &child_allocation.x,
2327 "y", &child_allocation.y,
2329 if (child_allocation.x != view_area.x ||
2330 child_allocation.y != view_area.y) {
2331 gtk_layout_move (GTK_LAYOUT (widget), child, view_area.x, view_area.y);
2334 g_list_free (children);
2338 ev_view_realize (GtkWidget *widget)
2340 EvView *view = EV_VIEW (widget);
2342 if (GTK_WIDGET_CLASS (ev_view_parent_class)->realize)
2343 (* GTK_WIDGET_CLASS (ev_view_parent_class)->realize) (widget);
2345 gdk_window_set_events (view->layout.bin_window,
2346 (gdk_window_get_events (view->layout.bin_window) |
2348 GDK_BUTTON_PRESS_MASK |
2349 GDK_BUTTON_RELEASE_MASK |
2351 GDK_KEY_PRESS_MASK |
2352 GDK_POINTER_MOTION_MASK |
2353 GDK_POINTER_MOTION_HINT_MASK |
2354 GDK_ENTER_NOTIFY_MASK |
2355 GDK_LEAVE_NOTIFY_MASK));
2357 if (view->presentation)
2358 gdk_window_set_background (view->layout.bin_window, &widget->style->black);
2360 gdk_window_set_background (view->layout.bin_window, &widget->style->mid [GTK_STATE_NORMAL]);
2364 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
2366 EvView *view = EV_VIEW (widget);
2369 state = event->state & gtk_accelerator_get_default_mod_mask ();
2371 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
2372 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
2374 if (event->direction == GDK_SCROLL_UP ||
2375 event->direction == GDK_SCROLL_LEFT) {
2376 if (ev_view_can_zoom_in (view)) {
2377 ev_view_zoom_in (view);
2380 if (ev_view_can_zoom_out (view)) {
2381 ev_view_zoom_out (view);
2388 view->jump_to_find_result = FALSE;
2390 /* Shift+Wheel scrolls the in the perpendicular direction */
2391 if (state & GDK_SHIFT_MASK) {
2392 if (event->direction == GDK_SCROLL_UP)
2393 event->direction = GDK_SCROLL_LEFT;
2394 else if (event->direction == GDK_SCROLL_LEFT)
2395 event->direction = GDK_SCROLL_UP;
2396 else if (event->direction == GDK_SCROLL_DOWN)
2397 event->direction = GDK_SCROLL_RIGHT;
2398 else if (event->direction == GDK_SCROLL_RIGHT)
2399 event->direction = GDK_SCROLL_DOWN;
2401 event->state &= ~GDK_SHIFT_MASK;
2402 state &= ~GDK_SHIFT_MASK;
2405 if (state == 0 && view->presentation) {
2406 switch (event->direction) {
2407 case GDK_SCROLL_DOWN:
2408 case GDK_SCROLL_RIGHT:
2409 ev_view_next_page (view);
2412 case GDK_SCROLL_LEFT:
2413 ev_view_previous_page (view);
2423 static EvViewSelection *
2424 find_selection_for_page (EvView *view,
2429 for (list = view->selection_info.selections; list != NULL; list = list->next) {
2430 EvViewSelection *selection;
2432 selection = (EvViewSelection *) list->data;
2434 if (selection->page == page)
2442 draw_end_presentation_page (EvView *view,
2443 GdkRectangle *page_area)
2445 PangoLayout *layout;
2446 PangoFontDescription *font_desc;
2448 const gchar *text = _("End of presentation. Press Escape to exit.");
2450 if (view->presentation_state != EV_PRESENTATION_END)
2453 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), NULL);
2454 markup = g_strdup_printf ("<span foreground=\"white\">%s</span>", text);
2455 pango_layout_set_markup (layout, markup, -1);
2458 font_desc = pango_font_description_new ();
2459 pango_font_description_set_size (font_desc, 16 * PANGO_SCALE);
2460 pango_layout_set_font_description (layout, font_desc);
2462 gtk_paint_layout (GTK_WIDGET (view)->style,
2463 view->layout.bin_window,
2464 GTK_WIDGET_STATE (view),
2473 pango_font_description_free (font_desc);
2474 g_object_unref (layout);
2478 ev_view_expose_event (GtkWidget *widget,
2479 GdkEventExpose *event)
2481 EvView *view = EV_VIEW (widget);
2485 if (view->animation && ev_transition_animation_ready (view->animation)) {
2486 GdkRectangle page_area;
2489 if (get_page_extents (view, view->current_page, &page_area, &border)) {
2490 cr = gdk_cairo_create (view->layout.bin_window);
2492 /* normalize to x=0, y=0 */
2493 cairo_translate (cr, page_area.x, page_area.y);
2494 page_area.x = page_area.y = 0;
2496 ev_transition_animation_paint (view->animation, cr, page_area);
2503 if (view->presentation) {
2504 switch (view->presentation_state) {
2505 case EV_PRESENTATION_END: {
2506 GdkRectangle area = {0};
2508 area.width = widget->allocation.width;
2509 area.height = widget->allocation.height;
2511 draw_end_presentation_page (view, &area);
2514 case EV_PRESENTATION_BLACK:
2515 case EV_PRESENTATION_WHITE:
2517 case EV_PRESENTATION_NORMAL:
2521 } else if (view->loading) {
2522 GdkRectangle area = {0};
2524 area.width = widget->allocation.width;
2525 area.height = widget->allocation.height;
2527 draw_loading_text (view,
2532 if (view->document == NULL)
2535 cr = gdk_cairo_create (view->layout.bin_window);
2537 for (i = view->start_page; i <= view->end_page; i++) {
2538 GdkRectangle page_area;
2540 gboolean page_ready = TRUE;
2542 if (!get_page_extents (view, i, &page_area, &border))
2545 page_area.x -= view->scroll_x;
2546 page_area.y -= view->scroll_y;
2548 draw_one_page (view, i, cr, &page_area, &border, &(event->area), &page_ready);
2550 if (page_ready && EV_IS_DOCUMENT_FIND (view->document) && view->highlight_find_results)
2551 highlight_find_results (view, i);
2556 if (GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event)
2557 (* GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) (widget, event);
2563 ev_view_do_popup_menu (EvView *view,
2570 image = ev_view_get_image_at_location (view, x, y);
2572 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, image);
2576 link = ev_view_get_link_at_location (view, x, y);
2578 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
2582 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, NULL);
2588 ev_view_popup_menu (GtkWidget *widget)
2592 gtk_widget_get_pointer (widget, &x, &y);
2593 return ev_view_do_popup_menu (EV_VIEW (widget), x, y);
2596 #if GTK_CHECK_VERSION (2, 11, 7)
2598 get_link_area (EvView *view,
2604 EvRectangle ev_rect;
2605 GList *link_mapping;
2607 gint x_offset = 0, y_offset = 0;
2609 x += view->scroll_x;
2610 y += view->scroll_y;
2612 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
2614 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
2615 ev_link_mapping_get_area (link_mapping, link, &ev_rect);
2617 doc_rect_to_view_rect (view, page, &ev_rect, area);
2618 area->y -= view->scroll_y ;
2622 ev_view_query_tooltip (GtkWidget *widget,
2625 gboolean keyboard_tip,
2626 GtkTooltip *tooltip)
2628 EvView *view = EV_VIEW (widget);
2632 link = ev_view_get_link_at_location (view, x, y);
2636 text = tip_from_link (view, link);
2637 if (text && g_utf8_validate (text, -1, NULL)) {
2638 GdkRectangle link_area;
2640 get_link_area (view, x, y, link, &link_area);
2641 gtk_tooltip_set_text (tooltip, text);
2642 gtk_tooltip_set_tip_area (tooltip, &link_area);
2648 #endif /* GTK_CHECK_VERSION (2, 11, 7) */
2651 start_selection_for_event (EvView *view,
2652 GdkEventButton *event)
2654 EvSelectionStyle style;
2656 clear_selection (view);
2658 view->selection_info.start.x = event->x + view->scroll_x;
2659 view->selection_info.start.y = event->y + view->scroll_y;
2661 switch (event->type) {
2662 case GDK_2BUTTON_PRESS:
2663 style = EV_SELECTION_STYLE_WORD;
2665 case GDK_3BUTTON_PRESS:
2666 style = EV_SELECTION_STYLE_LINE;
2669 style = EV_SELECTION_STYLE_GLYPH;
2673 view->selection_info.style = style;
2677 ev_view_button_press_event (GtkWidget *widget,
2678 GdkEventButton *event)
2680 EvView *view = EV_VIEW (widget);
2682 if (!view->document)
2685 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
2686 gtk_widget_grab_focus (widget);
2689 view->pressed_button = event->button;
2690 view->selection_info.in_drag = FALSE;
2692 if (view->scroll_info.autoscrolling)
2695 switch (event->button) {
2700 if (EV_IS_SELECTION (view->document) && view->selection_info.selections) {
2701 if (event->type == GDK_3BUTTON_PRESS) {
2702 start_selection_for_event (view, event);
2703 } else if (location_in_selected_text (view,
2704 event->x + view->scroll_x,
2705 event->y + view->scroll_y)) {
2706 view->selection_info.in_drag = TRUE;
2708 start_selection_for_event (view, event);
2711 gtk_widget_queue_draw (widget);
2712 } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) {
2713 ev_view_remove_all (view);
2714 ev_view_handle_form_field (view, field, event->x, event->y);
2715 } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) &&
2716 (image = ev_view_get_image_at_location (view, event->x, event->y))) {
2717 if (view->image_dnd_info.image)
2718 g_object_unref (view->image_dnd_info.image);
2719 view->image_dnd_info.image = g_object_ref (image);
2720 view->image_dnd_info.in_drag = TRUE;
2722 view->image_dnd_info.start.x = event->x + view->scroll_x;
2723 view->image_dnd_info.start.y = event->y + view->scroll_y;
2725 ev_view_remove_all (view);
2727 if (EV_IS_SELECTION (view->document))
2728 start_selection_for_event (view, event);
2733 /* use root coordinates as reference point because
2734 * scrolling changes window relative coordinates */
2735 view->drag_info.start.x = event->x_root;
2736 view->drag_info.start.y = event->y_root;
2737 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
2738 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
2740 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
2744 view->scroll_info.start_y = event->y;
2745 return ev_view_do_popup_menu (view, event->x, event->y);
2752 ev_view_remove_all (EvView *view)
2754 GList *children, *child;
2756 children = gtk_container_get_children (GTK_CONTAINER (view));
2757 for (child = children; child && child->data; child = g_list_next (child)) {
2758 gtk_container_remove (GTK_CONTAINER (view),
2759 GTK_WIDGET (child->data));
2761 g_list_free (children);
2764 /*** Drag and Drop ***/
2766 ev_view_drag_data_get (GtkWidget *widget,
2767 GdkDragContext *context,
2768 GtkSelectionData *selection_data,
2772 EvView *view = EV_VIEW (widget);
2775 case TARGET_DND_TEXT:
2776 if (EV_IS_SELECTION (view->document) &&
2777 view->selection_info.selections) {
2780 text = get_selected_text (view);
2781 gtk_selection_data_set_text (selection_data,
2787 case TARGET_DND_IMAGE:
2788 if (view->image_dnd_info.image) {
2791 ev_document_doc_mutex_lock ();
2792 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
2793 view->image_dnd_info.image);
2794 ev_document_doc_mutex_unlock ();
2796 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
2797 g_object_unref (pixbuf);
2800 case TARGET_DND_URI:
2801 if (view->image_dnd_info.image) {
2803 const gchar *tmp_uri;
2806 ev_document_doc_mutex_lock ();
2807 pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
2808 view->image_dnd_info.image);
2809 ev_document_doc_mutex_unlock ();
2811 tmp_uri = ev_image_save_tmp (view->image_dnd_info.image, pixbuf);
2812 g_object_unref (pixbuf);
2814 uris = g_new0 (gchar *, 2);
2815 uris[0] = (gchar *)tmp_uri;
2817 gtk_selection_data_set_uris (selection_data, uris);
2819 /* g_free instead of g_strfreev since tmp_uri is const */
2826 ev_view_drag_motion (GtkWidget *widget,
2827 GdkDragContext *context,
2832 if (gtk_drag_get_source_widget (context) == widget)
2833 gdk_drag_status (context, 0, time);
2835 gdk_drag_status (context, context->suggested_action, time);
2841 ev_view_drag_data_received (GtkWidget *widget,
2842 GdkDragContext *context,
2845 GtkSelectionData *selection_data,
2851 GSList *uri_list = NULL;
2853 uris = gtk_selection_data_get_uris (selection_data);
2855 gtk_drag_finish (context, FALSE, FALSE, time);
2859 for (i = 0; uris[i]; i++) {
2860 uri_list = g_slist_prepend (uri_list, (gpointer) uris[i]);
2863 ev_application_open_uri_list (EV_APP, uri_list,
2864 gtk_widget_get_screen (widget),
2866 gtk_drag_finish (context, TRUE, FALSE, time);
2869 g_slist_free (uri_list);
2874 selection_update_idle_cb (EvView *view)
2876 compute_selections (view,
2877 view->selection_info.style,
2878 &view->selection_info.start,
2880 view->selection_update_id = 0;
2885 selection_scroll_timeout_cb (EvView *view)
2887 gint x, y, shift = 0;
2888 GtkWidget *widget = GTK_WIDGET (view);
2890 gtk_widget_get_pointer (widget, &x, &y);
2892 if (y > widget->allocation.height) {
2893 shift = (y - widget->allocation.height) / 2;
2899 gtk_adjustment_set_value (view->vadjustment,
2900 CLAMP (view->vadjustment->value + shift,
2901 view->vadjustment->lower,
2902 view->vadjustment->upper -
2903 view->vadjustment->page_size));
2905 if (x > widget->allocation.width) {
2906 shift = (x - widget->allocation.width) / 2;
2912 gtk_adjustment_set_value (view->hadjustment,
2913 CLAMP (view->hadjustment->value + shift,
2914 view->hadjustment->lower,
2915 view->hadjustment->upper -
2916 view->hadjustment->page_size));
2922 ev_view_drag_update_momentum (EvView *view)
2925 if (!view->drag_info.in_drag)
2928 for (i = DRAG_HISTORY - 1; i > 0; i--) {
2929 view->drag_info.buffer[i].x = view->drag_info.buffer[i-1].x;
2930 view->drag_info.buffer[i].y = view->drag_info.buffer[i-1].y;
2933 /* Momentum is a moving average of 10ms granularity over
2934 * the last 100ms with each 10ms stored in buffer.
2937 view->drag_info.momentum.x = (view->drag_info.buffer[DRAG_HISTORY - 1].x - view->drag_info.buffer[0].x);
2938 view->drag_info.momentum.y = (view->drag_info.buffer[DRAG_HISTORY - 1].y - view->drag_info.buffer[0].y);
2944 ev_view_scroll_drag_release (EvView *view)
2946 gdouble dhadj_value, dvadj_value;
2947 gdouble oldhadjustment, oldvadjustment;
2949 view->drag_info.momentum.x /= 1.2;
2950 view->drag_info.momentum.y /= 1.2; /* Alter these constants to change "friction" */
2952 dhadj_value = view->hadjustment->page_size *
2953 (gdouble)view->drag_info.momentum.x / GTK_WIDGET (view)->allocation.width;
2954 dvadj_value = view->vadjustment->page_size *
2955 (gdouble)view->drag_info.momentum.y / GTK_WIDGET (view)->allocation.height;
2957 oldhadjustment = gtk_adjustment_get_value (view->hadjustment);
2958 oldvadjustment = gtk_adjustment_get_value (view->vadjustment);
2960 if (((oldhadjustment + dhadj_value) > (view->hadjustment->upper - view->hadjustment->page_size)) ||
2961 ((oldhadjustment + dhadj_value) < 0))
2962 view->drag_info.momentum.x *= -0.5; /* 0.5 rather than 1 means the edges absorb some momentum */
2963 if (((oldvadjustment + dvadj_value) > (view->vadjustment->upper - view->vadjustment->page_size)) ||
2964 ((oldvadjustment + dvadj_value) < 0))
2965 view->drag_info.momentum.y *= -0.5;
2967 gtk_adjustment_set_value (view->hadjustment,
2968 MIN (oldhadjustment + dhadj_value,
2969 view->hadjustment->upper - view->hadjustment->page_size));
2970 gtk_adjustment_set_value (view->vadjustment,
2971 MIN (oldvadjustment + dvadj_value,
2972 view->vadjustment->upper - view->vadjustment->page_size));
2974 if (((view->drag_info.momentum.x < 1) && (view->drag_info.momentum.x > -1)) &&
2975 ((view->drag_info.momentum.y < 1) && (view->drag_info.momentum.y > -1)))
2982 ev_view_motion_notify_event (GtkWidget *widget,
2983 GdkEventMotion *event)
2985 EvView *view = EV_VIEW (widget);
2988 if (!view->document)
2992 if (event->is_hint || event->window != view->layout.bin_window) {
2993 gtk_widget_get_pointer (widget, &x, &y);
2999 if (view->scroll_info.autoscrolling) {
3000 view->scroll_info.last_y = y;
3004 if (view->selection_info.in_drag) {
3005 if (gtk_drag_check_threshold (widget,
3006 view->selection_info.start.x,
3007 view->selection_info.start.y,
3009 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3011 gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT);
3013 gtk_drag_begin (widget, target_list,
3015 1, (GdkEvent *)event);
3017 view->selection_info.in_drag = FALSE;
3019 gtk_target_list_unref (target_list);
3023 } else if (view->image_dnd_info.in_drag) {
3024 if (gtk_drag_check_threshold (widget,
3025 view->selection_info.start.x,
3026 view->selection_info.start.y,
3028 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3030 gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI);
3031 gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE);
3033 gtk_drag_begin (widget, target_list,
3035 1, (GdkEvent *)event);
3037 view->image_dnd_info.in_drag = FALSE;
3039 gtk_target_list_unref (target_list);
3045 /* For the Evince 0.4.x release, we limit selection to un-rotated
3048 if (view->pressed_button == 1 && view->rotation == 0) {
3050 /* Schedule timeout to scroll during selection and additionally
3051 * scroll once to allow arbitrary speed. */
3052 if (!view->selection_scroll_id)
3053 view->selection_scroll_id = g_timeout_add (SCROLL_TIME, (GSourceFunc)selection_scroll_timeout_cb, view);
3055 selection_scroll_timeout_cb (view);
3057 view->selection_info.in_selection = TRUE;
3058 view->motion.x = x + view->scroll_x;
3059 view->motion.y = y + view->scroll_y;
3061 /* Queue an idle to handle the motion. We do this because
3062 * handling any selection events in the motion could be slower
3063 * than new motion events reach us. We always put it in the
3064 * idle to make sure we catch up and don't visibly lag the
3066 if (!view->selection_update_id)
3067 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
3070 } else if (view->pressed_button == 2) {
3071 if (!view->drag_info.in_drag) {
3075 start = gtk_drag_check_threshold (widget,
3076 view->drag_info.start.x,
3077 view->drag_info.start.y,
3080 view->drag_info.in_drag = start;
3081 view->drag_info.drag_timeout_id = g_timeout_add (10,
3082 (GSourceFunc)ev_view_drag_update_momentum, view);
3083 /* Set 100 to choose how long it takes to build up momentum */
3084 /* Clear out previous momentum info: */
3085 for (i = 0; i < DRAG_HISTORY; i++) {
3086 view->drag_info.buffer[i].x = event->x;
3087 view->drag_info.buffer[i].y = event->y;
3089 view->drag_info.momentum.x = 0;
3090 view->drag_info.momentum.y = 0;
3093 if (view->drag_info.in_drag) {
3095 gdouble dhadj_value, dvadj_value;
3097 view->drag_info.buffer[0].x = event->x;
3098 view->drag_info.buffer[0].y = event->y;
3100 dx = event->x_root - view->drag_info.start.x;
3101 dy = event->y_root - view->drag_info.start.y;
3103 dhadj_value = view->hadjustment->page_size *
3104 (gdouble)dx / widget->allocation.width;
3105 dvadj_value = view->vadjustment->page_size *
3106 (gdouble)dy / widget->allocation.height;
3108 /* clamp scrolling to visible area */
3109 gtk_adjustment_set_value (view->hadjustment,
3110 MIN(view->drag_info.hadj - dhadj_value,
3111 view->hadjustment->upper -
3112 view->hadjustment->page_size));
3113 gtk_adjustment_set_value (view->vadjustment,
3114 MIN(view->drag_info.vadj - dvadj_value,
3115 view->vadjustment->upper -
3116 view->vadjustment->page_size));
3120 } else if (view->pressed_button <= 0) {
3121 ev_view_handle_cursor_over_xy (view, x, y);
3129 ev_view_button_release_event (GtkWidget *widget,
3130 GdkEventButton *event)
3132 EvView *view = EV_VIEW (widget);
3133 EvLink *link = NULL;
3135 view->image_dnd_info.in_drag = FALSE;
3137 if (view->scroll_info.autoscrolling) {
3138 ev_view_autoscroll_stop (view);
3139 view->pressed_button = -1;
3144 if (view->drag_info.in_drag) {
3145 view->drag_info.release_timeout_id =
3147 (GSourceFunc)ev_view_scroll_drag_release, view);
3150 if (view->document && !view->drag_info.in_drag && view->pressed_button != 3) {
3151 link = ev_view_get_link_at_location (view, event->x, event->y);
3154 view->drag_info.in_drag = FALSE;
3156 if (view->pressed_button == 2) {
3157 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3160 view->pressed_button = -1;
3162 if (view->selection_scroll_id) {
3163 g_source_remove (view->selection_scroll_id);
3164 view->selection_scroll_id = 0;
3166 if (view->selection_update_id) {
3167 g_source_remove (view->selection_update_id);
3168 view->selection_update_id = 0;
3171 if (!view->selection_info.in_selection &&
3172 view->selection_info.style != EV_SELECTION_STYLE_GLYPH) {
3173 compute_selections (view,
3174 view->selection_info.style,
3175 &(view->selection_info.start),
3176 &(view->selection_info.start));
3179 if (view->selection_info.selections) {
3180 clear_link_selected (view);
3181 ev_view_update_primary_selection (view);
3183 if (view->selection_info.in_drag) {
3184 clear_selection (view);
3185 gtk_widget_queue_draw (widget);
3188 view->selection_info.in_drag = FALSE;
3190 if (event->button == 2) {
3191 EvLinkAction *action;
3192 EvLinkActionType type;
3194 action = ev_link_get_action (link);
3198 type = ev_link_action_get_action_type (action);
3199 if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
3200 g_signal_emit (view,
3201 signals[SIGNAL_EXTERNAL_LINK],
3205 ev_view_handle_link (view, link);
3207 } else if (view->presentation) {
3208 switch (event->button) {
3210 ev_view_next_page (view);
3213 ev_view_previous_page (view);
3222 /* Cut and paste from gtkwindow.c */
3224 send_focus_change (GtkWidget *widget,
3227 GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE);
3229 g_object_ref (widget);
3232 GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
3234 GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
3236 fevent->focus_change.type = GDK_FOCUS_CHANGE;
3237 fevent->focus_change.window = g_object_ref (widget->window);
3238 fevent->focus_change.in = in;
3240 gtk_widget_event (widget, fevent);
3242 g_object_notify (G_OBJECT (widget), "has-focus");
3244 g_object_unref (widget);
3245 gdk_event_free (fevent);
3249 ev_view_goto_window_hide (EvView *view)
3251 /* send focus-in event */
3252 send_focus_change (view->goto_entry, FALSE);
3253 gtk_widget_hide (view->goto_window);
3254 gtk_entry_set_text (GTK_ENTRY (view->goto_entry), "");
3258 ev_view_goto_window_delete_event (GtkWidget *widget,
3262 ev_view_goto_window_hide (view);
3268 key_is_numeric (guint keyval)
3270 return ((keyval >= GDK_0 && keyval <= GDK_9) ||
3271 (keyval >= GDK_KP_0 && keyval <= GDK_KP_9));
3275 ev_view_goto_window_key_press_event (GtkWidget *widget,
3279 switch (event->keyval) {
3283 case GDK_ISO_Left_Tab:
3284 ev_view_goto_window_hide (view);
3293 if (!key_is_numeric (event->keyval))
3301 ev_view_goto_window_button_press_event (GtkWidget *widget,
3302 GdkEventButton *event,
3305 ev_view_goto_window_hide (view);
3311 ev_view_goto_entry_activate (GtkEntry *entry,
3317 text = gtk_entry_get_text (entry);
3318 page = atoi (text) - 1;
3320 ev_view_goto_window_hide (view);
3323 page < ev_page_cache_get_n_pages (view->page_cache))
3324 ev_page_cache_set_current_page (view->page_cache, page);
3328 ev_view_goto_window_create (EvView *view)
3330 GtkWidget *frame, *hbox, *toplevel, *label;
3332 toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view));
3334 if (view->goto_window) {
3335 if (GTK_WINDOW (toplevel)->group)
3336 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
3337 GTK_WINDOW (view->goto_window));
3338 else if (GTK_WINDOW (view->goto_window)->group)
3339 gtk_window_group_remove_window (GTK_WINDOW (view->goto_window)->group,
3340 GTK_WINDOW (view->goto_window));
3344 view->goto_window = gtk_window_new (GTK_WINDOW_POPUP);
3346 if (GTK_WINDOW (toplevel)->group)
3347 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
3348 GTK_WINDOW (view->goto_window));
3350 gtk_window_set_modal (GTK_WINDOW (view->goto_window), TRUE);
3352 g_signal_connect (view->goto_window, "delete_event",
3353 G_CALLBACK (ev_view_goto_window_delete_event),
3355 g_signal_connect (view->goto_window, "key_press_event",
3356 G_CALLBACK (ev_view_goto_window_key_press_event),
3358 g_signal_connect (view->goto_window, "button_press_event",
3359 G_CALLBACK (ev_view_goto_window_button_press_event),
3362 frame = gtk_frame_new (NULL);
3363 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
3364 gtk_container_add (GTK_CONTAINER (view->goto_window), frame);
3365 gtk_widget_show (frame);
3367 hbox = gtk_hbox_new (FALSE, 0);
3368 gtk_container_set_border_width (GTK_CONTAINER (hbox), 3);
3369 gtk_container_add (GTK_CONTAINER (frame), hbox);
3370 gtk_widget_show (hbox);
3372 label = gtk_label_new(_("Jump to page:"));
3373 gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 3);
3374 gtk_widget_show (label);
3375 gtk_widget_realize (label);
3377 view->goto_entry = gtk_entry_new ();
3378 g_signal_connect (view->goto_entry, "activate",
3379 G_CALLBACK (ev_view_goto_entry_activate),
3381 gtk_box_pack_start_defaults (GTK_BOX (hbox), view->goto_entry);
3382 gtk_widget_show (view->goto_entry);
3383 gtk_widget_realize (view->goto_entry);
3387 ev_view_goto_entry_grab_focus (EvView *view)
3389 GtkWidgetClass *entry_parent_class;
3391 entry_parent_class = g_type_class_peek_parent (GTK_ENTRY_GET_CLASS (view->goto_entry));
3392 (entry_parent_class->grab_focus) (view->goto_entry);
3394 send_focus_change (view->goto_entry, TRUE);
3398 ev_view_goto_window_send_key_event (EvView *view,
3401 GdkEventKey *new_event;
3404 /* Move goto window off screen */
3405 screen = gtk_widget_get_screen (GTK_WIDGET (view));
3406 gtk_window_move (GTK_WINDOW (view->goto_window),
3407 gdk_screen_get_width (screen) + 1,
3408 gdk_screen_get_height (screen) + 1);
3409 gtk_widget_show (view->goto_window);
3411 new_event = (GdkEventKey *) gdk_event_copy (event);
3412 g_object_unref (new_event->window);
3413 new_event->window = g_object_ref (view->goto_window->window);
3414 gtk_widget_realize (view->goto_window);
3416 gtk_widget_event (view->goto_window, (GdkEvent *)new_event);
3417 gdk_event_free ((GdkEvent *)new_event);
3418 gtk_widget_hide (view->goto_window);
3422 ev_view_key_press_event (GtkWidget *widget,
3425 EvView *view = EV_VIEW (widget);
3426 EvPresentationState current;
3428 if (!view->document)
3431 if (!view->presentation ||
3432 view->presentation_state == EV_PRESENTATION_END)
3433 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3436 current = view->presentation_state;
3438 switch (event->keyval) {
3442 case GDK_KP_Decimal:
3443 view->presentation_state =
3444 (view->presentation_state == EV_PRESENTATION_BLACK) ?
3445 EV_PRESENTATION_NORMAL : EV_PRESENTATION_BLACK;
3449 view->presentation_state =
3450 (view->presentation_state == EV_PRESENTATION_WHITE) ?
3451 EV_PRESENTATION_NORMAL : EV_PRESENTATION_WHITE;
3454 if (view->presentation_state == EV_PRESENTATION_BLACK ||
3455 view->presentation_state == EV_PRESENTATION_WHITE) {
3456 view->presentation_state = EV_PRESENTATION_NORMAL;
3460 if (current == view->presentation_state) {
3461 if (ev_page_cache_get_n_pages (view->page_cache) > 1 &&
3462 key_is_numeric (event->keyval)) {
3465 ev_view_goto_window_create (view);
3466 ev_view_goto_window_send_key_event (view, (GdkEvent *)event);
3467 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
3468 gtk_window_move (GTK_WINDOW (view->goto_window), x, y);
3469 gtk_widget_show (view->goto_window);
3470 ev_view_goto_entry_grab_focus (view);
3475 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3478 switch (view->presentation_state) {
3479 case EV_PRESENTATION_NORMAL:
3480 case EV_PRESENTATION_BLACK:
3481 gdk_window_set_background (view->layout.bin_window,
3482 &widget->style->black);
3484 case EV_PRESENTATION_WHITE:
3485 gdk_window_set_background (view->layout.bin_window,
3486 &widget->style->white);
3489 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3492 gtk_widget_queue_draw (widget);
3497 ev_view_focus_in (GtkWidget *widget,
3498 GdkEventFocus *event)
3500 if (EV_VIEW (widget)->pixbuf_cache)
3501 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3502 gtk_widget_queue_draw (widget);
3508 ev_view_focus_out (GtkWidget *widget,
3509 GdkEventFocus *event)
3511 if (EV_VIEW (widget)->goto_window)
3512 ev_view_goto_window_hide (EV_VIEW (widget));
3514 if (EV_VIEW (widget)->pixbuf_cache)
3515 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3516 gtk_widget_queue_draw (widget);
3522 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3524 EvView *view = EV_VIEW (widget);
3526 if (view->cursor != EV_VIEW_CURSOR_NORMAL)
3527 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
3529 #if !GTK_CHECK_VERSION (2, 11, 7)
3530 if (view->link_tooltip) {
3531 view->hovered_link = NULL;
3532 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
3540 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3542 EvView *view = EV_VIEW (widget);
3544 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3550 ev_view_style_set (GtkWidget *widget,
3551 GtkStyle *old_style)
3553 if (EV_VIEW (widget)->pixbuf_cache)
3554 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3556 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
3562 ev_gdk_color_to_rgb (const GdkColor *color)
3565 result = (0xff0000 | (color->red & 0xff00));
3567 result |= ((color->green & 0xff00) | (color->blue >> 8));
3572 draw_rubberband (GtkWidget *widget, GdkWindow *window,
3573 const GdkRectangle *rect, guchar alpha)
3577 GdkColor *fill_color_gdk;
3580 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
3581 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
3583 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
3584 rect->width, rect->height);
3585 gdk_pixbuf_fill (pixbuf, fill_color);
3587 gdk_draw_pixbuf (window, NULL, pixbuf,
3589 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
3590 rect->width, rect->height,
3591 GDK_RGB_DITHER_NONE,
3594 g_object_unref (pixbuf);
3596 gc = gdk_gc_new (window);
3597 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
3598 gdk_draw_rectangle (window, gc, FALSE,
3599 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
3602 g_object_unref (gc);
3604 gdk_color_free (fill_color_gdk);
3609 highlight_find_results (EvView *view, int page)
3611 EvDocumentFind *find;
3614 find = EV_DOCUMENT_FIND (view->document);
3616 results = ev_document_find_get_n_results (find, page);
3618 for (i = 0; i < results; i++) {
3619 EvRectangle rectangle;
3620 GdkRectangle view_rectangle;
3623 if (i == view->find_result && page == view->current_page) {
3629 ev_document_find_get_result (find, page, i, &rectangle);
3630 doc_rect_to_view_rect (view, page, &rectangle, &view_rectangle);
3631 draw_rubberband (GTK_WIDGET (view), view->layout.bin_window,
3632 &view_rectangle, alpha);
3637 draw_loading_text (EvView *view,
3638 GdkRectangle *page_area,
3639 GdkRectangle *expose_area)
3644 if (!view->loading_text) {
3645 const gchar *loading_text = _("Loading...");
3646 PangoLayout *layout;
3647 PangoFontDescription *font_desc;
3648 PangoRectangle logical_rect;
3652 ev_document_fc_mutex_lock ();
3654 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
3656 font_desc = pango_font_description_new ();
3658 /* We set the font to be 10 points, get the size, and scale appropriately */
3659 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
3660 pango_layout_set_font_description (layout, font_desc);
3661 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
3663 target_width = MAX (page_area->width / 2, 1);
3664 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
3665 pango_font_description_set_size (font_desc, (int)real_scale);
3666 pango_layout_set_font_description (layout, font_desc);
3667 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
3669 view->loading_text = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
3671 logical_rect.height);
3672 cr = cairo_create (view->loading_text);
3673 cairo_set_source_rgb (cr,
3677 pango_cairo_show_layout (cr, layout);
3680 pango_font_description_free (font_desc);
3681 g_object_unref (layout);
3683 ev_document_fc_mutex_unlock ();
3686 width = (page_area->width - cairo_image_surface_get_width (view->loading_text)) / 2;
3687 height = (page_area->height - cairo_image_surface_get_height (view->loading_text)) / 2;
3689 cr = gdk_cairo_create (view->layout.bin_window);
3690 cairo_translate (cr,
3691 page_area->x + width,
3692 page_area->y + height);
3693 cairo_set_source_surface (cr, view->loading_text, 0, 0);
3699 draw_one_page (EvView *view,
3702 GdkRectangle *page_area,
3704 GdkRectangle *expose_area,
3705 gboolean *page_ready)
3707 GdkRectangle overlap;
3708 GdkRectangle real_page_area;
3710 g_assert (view->document);
3712 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
3715 /* Render the document itself */
3716 real_page_area = *page_area;
3718 real_page_area.x += border->left;
3719 real_page_area.y += border->top;
3720 real_page_area.width -= (border->left + border->right);
3721 real_page_area.height -= (border->top + border->bottom);
3724 if (!view->presentation) {
3727 current_page = ev_page_cache_get_current_page (view->page_cache);
3728 ev_document_misc_paint_one_page (view->layout.bin_window,
3731 page == current_page);
3734 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
3736 gint page_width, page_height;
3737 cairo_surface_t *page_surface = NULL;
3738 gint selection_width, selection_height;
3739 cairo_surface_t *selection_surface = NULL;
3741 page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page);
3743 if (!page_surface) {
3744 if (!view->presentation) {
3745 draw_loading_text (view,
3750 *page_ready = FALSE;
3755 ev_page_cache_get_size (view->page_cache,
3756 page, view->rotation,
3760 page_width = cairo_image_surface_get_width (page_surface);
3761 page_height = cairo_image_surface_get_height (page_surface);
3764 cairo_translate (cr, overlap.x, overlap.y);
3766 if (width != page_width || height != page_height) {
3767 cairo_pattern_set_filter (cairo_get_source (cr),
3770 (gdouble)width / page_width,
3771 (gdouble)height / page_height);
3774 cairo_surface_set_device_offset (page_surface,
3775 overlap.x - real_page_area.x,
3776 overlap.y - real_page_area.y);
3777 cairo_set_source_surface (cr, page_surface, 0, 0);
3781 /* Get the selection pixbuf iff we have something to draw */
3782 if (find_selection_for_page (view, page) &&
3783 view->selection_mode == EV_VIEW_SELECTION_TEXT) {
3785 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
3791 if (!selection_surface) {
3795 selection_width = cairo_image_surface_get_width (selection_surface);
3796 selection_height = cairo_image_surface_get_height (selection_surface);
3799 cairo_translate (cr, overlap.x, overlap.y);
3801 if (width != selection_width || height != selection_height) {
3802 cairo_pattern_set_filter (cairo_get_source (cr),
3805 (gdouble)width / selection_width,
3806 (gdouble)height / selection_height);
3809 cairo_surface_set_device_offset (selection_surface,
3810 overlap.x - real_page_area.x,
3811 overlap.y - real_page_area.y);
3812 cairo_set_source_surface (cr, selection_surface, 0, 0);
3818 /*** GObject functions ***/
3821 ev_view_finalize (GObject *object)
3823 EvView *view = EV_VIEW (object);
3825 g_free (view->find_status);
3827 clear_selection (view);
3828 clear_link_selected (view);
3830 if (view->image_dnd_info.image)
3831 g_object_unref (view->image_dnd_info.image);
3832 view->image_dnd_info.image = NULL;
3834 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
3838 ev_view_destroy (GtkObject *object)
3840 EvView *view = EV_VIEW (object);
3842 if (view->document) {
3843 g_object_unref (view->document);
3844 view->document = NULL;
3847 if (view->pixbuf_cache) {
3848 g_object_unref (view->pixbuf_cache);
3849 view->pixbuf_cache = NULL;
3852 #if !GTK_CHECK_VERSION (2, 11, 7)
3853 if (view->link_tooltip) {
3854 gtk_widget_destroy (view->link_tooltip);
3855 view->link_tooltip = NULL;
3858 if (view->goto_window) {
3859 gtk_widget_destroy (view->goto_window);
3860 view->goto_window = NULL;
3861 view->goto_entry = NULL;
3864 if (view->selection_scroll_id) {
3865 g_source_remove (view->selection_scroll_id);
3866 view->selection_scroll_id = 0;
3869 if (view->selection_update_id) {
3870 g_source_remove (view->selection_update_id);
3871 view->selection_update_id = 0;
3874 if (view->loading_text) {
3875 cairo_surface_destroy (view->loading_text);
3876 view->loading_text = NULL;
3879 if (view->scroll_info.timeout_id) {
3880 g_source_remove (view->scroll_info.timeout_id);
3881 view->scroll_info.timeout_id = 0;
3884 if (view->drag_info.drag_timeout_id) {
3885 g_source_remove (view->drag_info.drag_timeout_id);
3886 view->drag_info.drag_timeout_id = 0;
3889 if (view->drag_info.release_timeout_id) {
3890 g_source_remove (view->drag_info.release_timeout_id);
3891 view->drag_info.release_timeout_id = 0;
3894 ev_view_presentation_transition_stop (view);
3896 ev_view_set_scroll_adjustments (GTK_LAYOUT (view), NULL, NULL);
3898 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
3902 ev_view_set_property (GObject *object,
3904 const GValue *value,
3907 EvView *view = EV_VIEW (object);
3910 case PROP_CONTINUOUS:
3911 ev_view_set_continuous (view, g_value_get_boolean (value));
3913 case PROP_DUAL_PAGE:
3914 ev_view_set_dual_page (view, g_value_get_boolean (value));
3916 case PROP_FULLSCREEN:
3917 ev_view_set_fullscreen (view, g_value_get_boolean (value));
3919 case PROP_PRESENTATION:
3920 ev_view_set_presentation (view, g_value_get_boolean (value));
3922 case PROP_SIZING_MODE:
3923 ev_view_set_sizing_mode (view, g_value_get_enum (value));
3926 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
3929 ev_view_set_rotation (view, g_value_get_int (value));
3932 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
3937 ev_view_get_accessible (GtkWidget *widget)
3939 static gboolean first_time = TRUE;
3942 AtkObjectFactory *factory;
3943 AtkRegistry *registry;
3945 GType derived_atk_type;
3948 * Figure out whether accessibility is enabled by looking at the
3949 * type of the accessible object which would be created for
3950 * the parent type of EvView.
3952 derived_type = g_type_parent (EV_TYPE_VIEW);
3954 registry = atk_get_default_registry ();
3955 factory = atk_registry_get_factory (registry,
3957 derived_atk_type = atk_object_factory_get_accessible_type (factory);
3958 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
3959 atk_registry_set_factory_type (registry,
3961 ev_view_accessible_factory_get_type ());
3964 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
3968 ev_view_get_property (GObject *object,
3973 EvView *view = EV_VIEW (object);
3976 case PROP_FIND_STATUS:
3977 g_value_set_string (value, view->find_status);
3979 case PROP_CONTINUOUS:
3980 g_value_set_boolean (value, view->continuous);
3982 case PROP_DUAL_PAGE:
3983 g_value_set_boolean (value, view->dual_page);
3985 case PROP_FULLSCREEN:
3986 g_value_set_boolean (value, view->fullscreen);
3988 case PROP_PRESENTATION:
3989 g_value_set_boolean (value, view->presentation);
3991 case PROP_SIZING_MODE:
3992 g_value_set_enum (value, view->sizing_mode);
3995 g_value_set_double (value, view->scale);
3998 g_value_set_int (value, view->rotation);
4000 case PROP_HAS_SELECTION:
4001 g_value_set_boolean (value,
4002 view->selection_info.selections != NULL);
4005 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
4010 ev_view_class_init (EvViewClass *class)
4012 GObjectClass *object_class = G_OBJECT_CLASS (class);
4013 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
4014 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
4015 GtkLayoutClass *layout_class = GTK_LAYOUT_CLASS (class);
4016 GtkBindingSet *binding_set;
4018 object_class->finalize = ev_view_finalize;
4019 object_class->set_property = ev_view_set_property;
4020 object_class->get_property = ev_view_get_property;
4022 widget_class->expose_event = ev_view_expose_event;
4023 widget_class->button_press_event = ev_view_button_press_event;
4024 widget_class->motion_notify_event = ev_view_motion_notify_event;
4025 widget_class->button_release_event = ev_view_button_release_event;
4026 widget_class->key_press_event = ev_view_key_press_event;
4027 widget_class->focus_in_event = ev_view_focus_in;
4028 widget_class->focus_out_event = ev_view_focus_out;
4029 widget_class->get_accessible = ev_view_get_accessible;
4030 widget_class->size_request = ev_view_size_request;
4031 widget_class->size_allocate = ev_view_size_allocate;
4032 widget_class->realize = ev_view_realize;
4033 widget_class->scroll_event = ev_view_scroll_event;
4034 widget_class->enter_notify_event = ev_view_enter_notify_event;
4035 widget_class->leave_notify_event = ev_view_leave_notify_event;
4036 widget_class->style_set = ev_view_style_set;
4037 widget_class->drag_data_get = ev_view_drag_data_get;
4038 widget_class->drag_motion = ev_view_drag_motion;
4039 widget_class->drag_data_received = ev_view_drag_data_received;
4040 widget_class->popup_menu = ev_view_popup_menu;
4041 #if GTK_CHECK_VERSION (2, 11, 7)
4042 widget_class->query_tooltip = ev_view_query_tooltip;
4045 gtk_object_class->destroy = ev_view_destroy;
4047 layout_class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
4049 class->binding_activated = ev_view_scroll;
4051 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
4052 G_TYPE_FROM_CLASS (object_class),
4053 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4054 G_STRUCT_OFFSET (EvViewClass, binding_activated),
4056 ev_marshal_VOID__ENUM_BOOLEAN,
4058 GTK_TYPE_SCROLL_TYPE,
4061 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
4062 G_TYPE_FROM_CLASS (object_class),
4063 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4064 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
4066 ev_marshal_VOID__VOID,
4067 G_TYPE_NONE, 0, G_TYPE_NONE);
4068 signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link",
4069 G_TYPE_FROM_CLASS (object_class),
4070 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4071 G_STRUCT_OFFSET (EvViewClass, handle_link),
4073 g_cclosure_marshal_VOID__OBJECT,
4076 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
4077 G_TYPE_FROM_CLASS (object_class),
4078 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4079 G_STRUCT_OFFSET (EvViewClass, external_link),
4081 g_cclosure_marshal_VOID__OBJECT,
4084 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
4085 G_TYPE_FROM_CLASS (object_class),
4086 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4087 G_STRUCT_OFFSET (EvViewClass, popup_menu),
4089 g_cclosure_marshal_VOID__OBJECT,
4094 g_object_class_install_property (object_class,
4096 g_param_spec_string ("find-status",
4097 "Find Status Message",
4098 "The find status message",
4102 g_object_class_install_property (object_class,
4104 g_param_spec_boolean ("continuous",
4106 "Continuous scrolling mode",
4108 G_PARAM_READWRITE));
4110 g_object_class_install_property (object_class,
4112 g_param_spec_boolean ("dual-page",
4114 "Two pages visible at once",
4116 G_PARAM_READWRITE));
4117 g_object_class_install_property (object_class,
4119 g_param_spec_boolean ("fullscreen",
4121 "Draw page in a fullscreen fashion",
4123 G_PARAM_READWRITE));
4124 g_object_class_install_property (object_class,
4126 g_param_spec_boolean ("presentation",
4128 "Draw page in presentation mode",
4130 G_PARAM_READWRITE));
4132 g_object_class_install_property (object_class,
4134 g_param_spec_enum ("sizing-mode",
4137 EV_TYPE_SIZING_MODE,
4138 EV_SIZING_FIT_WIDTH,
4139 G_PARAM_READWRITE));
4141 g_object_class_install_property (object_class,
4143 g_param_spec_double ("zoom",
4149 G_PARAM_READWRITE));
4150 g_object_class_install_property (object_class,
4152 g_param_spec_double ("rotation",
4158 G_PARAM_READWRITE));
4159 g_object_class_install_property (object_class,
4161 g_param_spec_boolean ("has-selection",
4163 "The view has selections",
4167 binding_set = gtk_binding_set_by_class (class);
4169 add_scroll_binding_keypad (binding_set, GDK_Left, 0, EV_SCROLL_STEP_BACKWARD, TRUE);
4170 add_scroll_binding_keypad (binding_set, GDK_Right, 0, EV_SCROLL_STEP_FORWARD, TRUE);
4171 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, TRUE);
4172 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, TRUE);
4173 add_scroll_binding_keypad (binding_set, GDK_Up, 0, EV_SCROLL_STEP_BACKWARD, FALSE);
4174 add_scroll_binding_keypad (binding_set, GDK_Down, 0, EV_SCROLL_STEP_FORWARD, FALSE);
4175 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, FALSE);
4176 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, FALSE);
4177 gtk_binding_entry_add_signal (binding_set, GDK_H, 0, "binding_activated", 2, EV_TYPE_SCROLL_TYPE,
4178 EV_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE);
4179 gtk_binding_entry_add_signal (binding_set, GDK_J, 0, "binding_activated", 2, EV_TYPE_SCROLL_TYPE,
4180 EV_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE);
4181 gtk_binding_entry_add_signal (binding_set, GDK_K, 0, "binding_activated", 2, EV_TYPE_SCROLL_TYPE,
4182 EV_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE);
4183 gtk_binding_entry_add_signal (binding_set, GDK_L, 0, "binding_activated", 2, EV_TYPE_SCROLL_TYPE,
4184 EV_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE);
4189 ev_view_init (EvView *view)
4191 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
4195 view->current_page = 0;
4196 view->pressed_button = -1;
4197 view->cursor = EV_VIEW_CURSOR_NORMAL;
4198 view->drag_info.in_drag = FALSE;
4199 view->scroll_info.autoscrolling = FALSE;
4200 view->selection_info.selections = NULL;
4201 view->selection_info.in_selection = FALSE;
4202 view->selection_info.in_drag = FALSE;
4203 view->selection_mode = EV_VIEW_SELECTION_TEXT;
4204 view->continuous = TRUE;
4205 view->dual_page = FALSE;
4206 view->presentation = FALSE;
4207 view->presentation_state = EV_PRESENTATION_NORMAL;
4208 view->fullscreen = FALSE;
4209 view->sizing_mode = EV_SIZING_FIT_WIDTH;
4210 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4211 view->jump_to_find_result = TRUE;
4212 view->highlight_find_results = FALSE;
4214 gtk_layout_set_hadjustment (GTK_LAYOUT (view), NULL);
4215 gtk_layout_set_vadjustment (GTK_LAYOUT (view), NULL);
4217 gtk_drag_dest_set (GTK_WIDGET (view),
4218 GTK_DEST_DEFAULT_ALL,
4220 G_N_ELEMENTS (view_drop_targets),
4227 find_changed_cb (EvDocument *document, int page, EvView *view)
4232 percent = ev_document_find_get_progress
4233 (EV_DOCUMENT_FIND (view->document));
4234 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4236 if (view->jump_to_find_result == TRUE) {
4237 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
4238 jump_to_find_result (view);
4240 update_find_status_message (view, percent * n_pages >= n_pages - 1 );
4241 if (view->current_page == page)
4242 gtk_widget_queue_draw (GTK_WIDGET (view));
4246 ev_view_change_page (EvView *view,
4251 view->current_page = new_page;
4252 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4254 if (view->presentation)
4255 ev_view_presentation_transition_start (view);
4257 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4258 ev_view_handle_cursor_over_xy (view, x, y);
4260 gtk_widget_queue_resize (GTK_WIDGET (view));
4264 ev_view_transition_animation_finish (EvTransitionAnimation *animation,
4267 g_object_unref (view->animation);
4268 view->animation = NULL;
4269 ev_view_change_page (view, view->current_page);
4273 ev_view_transition_animation_frame (EvTransitionAnimation *animation,
4277 gtk_widget_queue_draw (GTK_WIDGET (view));
4281 ev_view_presentation_animation_start (EvView *view,
4284 EvTransitionEffect *effect = NULL;
4285 cairo_surface_t *surface;
4287 if (EV_IS_DOCUMENT_TRANSITION (view->document))
4288 effect = ev_document_transition_get_effect (EV_DOCUMENT_TRANSITION (view->document),
4289 view->current_page);
4293 surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page);
4294 view->animation = ev_transition_animation_new (effect);
4295 ev_transition_animation_set_origin_surface (view->animation, surface);
4297 g_signal_connect (view->animation, "frame",
4298 G_CALLBACK (ev_view_transition_animation_frame), view);
4299 g_signal_connect (view->animation, "finished",
4300 G_CALLBACK (ev_view_transition_animation_finish), view);
4304 job_finished_cb (EvPixbufCache *pixbuf_cache,
4308 if (view->animation) {
4309 cairo_surface_t *surface;
4311 surface = ev_pixbuf_cache_get_surface (pixbuf_cache, view->current_page);
4312 ev_transition_animation_set_dest_surface (view->animation, surface);
4316 gdk_window_invalidate_region (view->layout.bin_window,
4319 gtk_widget_queue_draw (GTK_WIDGET (view));
4324 page_changed_cb (EvPageCache *page_cache,
4328 if (view->current_page != new_page) {
4329 if (view->presentation)
4330 ev_view_presentation_animation_start (view, new_page);
4332 ev_view_change_page (view, new_page);
4334 gtk_widget_queue_draw (GTK_WIDGET (view));
4337 if (EV_IS_DOCUMENT_FIND (view->document)) {
4338 view->find_result = 0;
4339 update_find_status_message (view, TRUE);
4344 on_adjustment_value_changed (GtkAdjustment *adjustment,
4349 GList *children, *l;
4351 if (! GTK_WIDGET_REALIZED (view))
4354 if (view->hadjustment) {
4355 dx = view->scroll_x - (int) view->hadjustment->value;
4356 view->scroll_x = (int) view->hadjustment->value;
4361 if (view->vadjustment) {
4362 dy = view->scroll_y - (int) view->vadjustment->value;
4363 view->scroll_y = (int) view->vadjustment->value;
4368 children = gtk_container_get_children (GTK_CONTAINER (view));
4369 for (l = children; l && l->data; l = g_list_next (l)) {
4370 gint child_x, child_y;
4371 GtkWidget *child = (GtkWidget *)l->data;
4373 gtk_container_child_get (GTK_CONTAINER (view),
4378 gtk_layout_move (GTK_LAYOUT (view), child, child_x + dx, child_y + dy);
4380 g_list_free (children);
4382 if (view->pending_resize)
4383 gtk_widget_queue_draw (GTK_WIDGET (view));
4385 gdk_window_scroll (view->layout.bin_window, dx, dy);
4387 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4388 ev_view_handle_cursor_over_xy (view, x, y);
4391 view_update_range_and_current_page (view);
4399 view = g_object_new (EV_TYPE_VIEW, NULL);
4405 setup_caches (EvView *view)
4407 view->page_cache = ev_page_cache_get (view->document);
4408 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
4409 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
4410 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
4411 page_changed_cb (view->page_cache,
4412 ev_page_cache_get_current_page (view->page_cache),
4417 clear_caches (EvView *view)
4419 if (view->pixbuf_cache) {
4420 g_object_unref (view->pixbuf_cache);
4421 view->pixbuf_cache = NULL;
4424 if (view->page_cache) {
4425 view->page_cache = NULL;
4430 ev_view_set_loading (EvView *view,
4433 view->loading = loading;
4434 gtk_widget_queue_draw (GTK_WIDGET (view));
4438 ev_view_autoscroll_cb (EvView *view)
4440 gdouble speed, value;
4442 /* If the user stops autoscrolling, autoscrolling will be
4443 * set to false but the timeout will continue; stop the timeout: */
4444 if (!view->scroll_info.autoscrolling) {
4445 view->scroll_info.timeout_id = 0;
4449 if (view->scroll_info.last_y > view->scroll_info.start_y &&
4450 (view->scroll_info.last_y < view->scroll_info.start_y))
4453 /* Replace 100 with your speed of choice: The lower the faster.
4454 * Replace 3 with another speed of choice: The higher, the faster it accelerated
4455 * based on the distance of the starting point from the mouse
4456 * (All also effected by the timeout interval of this callback) */
4458 if (view->scroll_info.start_y > view->scroll_info.last_y)
4459 speed = -pow ((((gdouble)view->scroll_info.start_y - view->scroll_info.last_y) / 100), 3);
4461 speed = pow ((((gdouble)view->scroll_info.last_y - view->scroll_info.start_y) / 100), 3);
4463 value = gtk_adjustment_get_value (view->vadjustment);
4464 value = CLAMP (value + speed, 0, view->vadjustment->upper - view->vadjustment->page_size);
4465 gtk_adjustment_set_value (view->vadjustment, value);
4472 ev_view_autoscroll_start (EvView *view)
4476 g_return_if_fail (EV_IS_VIEW (view));
4478 if (view->scroll_info.autoscrolling)
4481 view->scroll_info.autoscrolling = TRUE;
4482 view->scroll_info.timeout_id =
4483 g_timeout_add (20, (GSourceFunc)ev_view_autoscroll_cb,
4486 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4487 ev_view_handle_cursor_over_xy (view, x, y);
4491 ev_view_autoscroll_stop (EvView *view)
4495 g_return_if_fail (EV_IS_VIEW (view));
4497 if (!view->scroll_info.autoscrolling)
4500 view->scroll_info.autoscrolling = FALSE;
4501 if (view->scroll_info.timeout_id) {
4502 g_source_remove (view->scroll_info.timeout_id);
4503 view->scroll_info.timeout_id = 0;
4506 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4507 ev_view_handle_cursor_over_xy (view, x, y);
4511 ev_view_set_document (EvView *view,
4512 EvDocument *document)
4514 g_return_if_fail (EV_IS_VIEW (view));
4516 view->loading = FALSE;
4518 if (document != view->document) {
4519 clear_caches (view);
4521 if (view->document) {
4522 g_signal_handlers_disconnect_by_func (view->document,
4525 g_object_unref (view->document);
4526 view->page_cache = NULL;
4530 view->document = document;
4531 view->find_result = 0;
4533 if (view->document) {
4534 g_object_ref (view->document);
4535 if (EV_IS_DOCUMENT_FIND (view->document)) {
4536 g_signal_connect (view->document,
4538 G_CALLBACK (find_changed_cb),
4542 setup_caches (view);
4545 gtk_widget_queue_resize (GTK_WIDGET (view));
4549 /*** Zoom and sizing mode ***/
4551 #define EPSILON 0.0000001
4553 ev_view_set_zoom (EvView *view,
4560 scale = view->scale * factor;
4564 scale = CLAMP (scale,
4565 view->sizing_mode == EV_SIZING_FREE ? view->min_scale : 0,
4568 if (ABS (view->scale - scale) < EPSILON)
4571 if (view->loading_text) {
4572 cairo_surface_destroy (view->loading_text);
4573 view->loading_text = NULL;
4576 view->scale = scale;
4577 view->pending_resize = TRUE;
4579 gtk_widget_queue_resize (GTK_WIDGET (view));
4581 g_object_notify (G_OBJECT (view), "zoom");
4585 ev_view_get_zoom (EvView *view)
4591 ev_view_set_screen_dpi (EvView *view,
4594 g_return_if_fail (EV_IS_VIEW (view));
4595 g_return_if_fail (dpi > 0);
4598 view->min_scale = MIN_SCALE * dpi / 72.0;
4599 view->max_scale = MAX_SCALE * dpi / 72.0;
4603 ev_view_get_continuous (EvView *view)
4605 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4607 return view->continuous;
4611 ev_view_set_continuous (EvView *view,
4612 gboolean continuous)
4614 g_return_if_fail (EV_IS_VIEW (view));
4616 continuous = continuous != FALSE;
4618 if (view->continuous != continuous) {
4619 view->continuous = continuous;
4620 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4621 gtk_widget_queue_resize (GTK_WIDGET (view));
4624 g_object_notify (G_OBJECT (view), "continuous");
4628 ev_view_get_dual_page (EvView *view)
4630 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4632 return view->dual_page;
4636 ev_view_set_dual_page (EvView *view,
4639 g_return_if_fail (EV_IS_VIEW (view));
4641 dual_page = dual_page != FALSE;
4643 if (view->dual_page == dual_page)
4646 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4647 view->dual_page = dual_page;
4648 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
4649 * preload_cache_size to be 2 if dual_page is set.
4651 gtk_widget_queue_resize (GTK_WIDGET (view));
4653 g_object_notify (G_OBJECT (view), "dual-page");
4657 ev_view_set_fullscreen (EvView *view,
4658 gboolean fullscreen)
4660 g_return_if_fail (EV_IS_VIEW (view));
4662 fullscreen = fullscreen != FALSE;
4664 if (view->fullscreen == fullscreen)
4667 view->fullscreen = fullscreen;
4668 gtk_widget_queue_resize (GTK_WIDGET (view));
4670 g_object_notify (G_OBJECT (view), "fullscreen");
4674 ev_view_get_fullscreen (EvView *view)
4676 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4678 return view->fullscreen;
4682 ev_view_set_presentation (EvView *view,
4683 gboolean presentation)
4685 g_return_if_fail (EV_IS_VIEW (view));
4687 presentation = presentation != FALSE;
4689 if (view->presentation == presentation)
4693 view->presentation_state = EV_PRESENTATION_NORMAL;
4695 view->presentation = presentation;
4696 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4699 view->sizing_mode_saved = view->sizing_mode;
4700 view->scale_saved = view->scale;
4701 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
4703 ev_view_set_sizing_mode (view, view->sizing_mode_saved);
4704 ev_view_set_zoom (view, view->scale_saved, FALSE);
4707 gtk_widget_queue_resize (GTK_WIDGET (view));
4710 ev_view_presentation_transition_start (view);
4712 ev_view_presentation_transition_stop (view);
4714 if (view->animation) {
4715 /* stop any running animation */
4716 ev_view_transition_animation_finish (view->animation, view);
4720 if (GTK_WIDGET_REALIZED (view)) {
4721 if (view->presentation)
4722 gdk_window_set_background (view->layout.bin_window,
4723 >K_WIDGET (view)->style->black);
4725 gdk_window_set_background (view->layout.bin_window,
4726 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
4729 g_object_notify (G_OBJECT (view), "presentation");
4733 ev_view_get_presentation (EvView *view)
4735 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4737 return view->presentation;
4741 transition_next_page (EvView *view)
4743 ev_view_next_page (view);
4749 ev_view_presentation_transition_stop (EvView *view)
4751 if (view->trans_timeout_id > 0)
4752 g_source_remove (view->trans_timeout_id);
4753 view->trans_timeout_id = 0;
4757 ev_view_presentation_transition_start (EvView *view)
4761 if (!EV_IS_DOCUMENT_TRANSITION (view->document))
4764 ev_view_presentation_transition_stop (view);
4766 duration = ev_document_transition_get_page_duration (EV_DOCUMENT_TRANSITION (view->document),
4767 view->current_page);
4769 view->trans_timeout_id =
4770 g_timeout_add_seconds (duration,
4771 (GSourceFunc) transition_next_page,
4777 ev_view_set_sizing_mode (EvView *view,
4778 EvSizingMode sizing_mode)
4780 g_return_if_fail (EV_IS_VIEW (view));
4782 if (view->sizing_mode == sizing_mode)
4785 view->sizing_mode = sizing_mode;
4786 gtk_widget_queue_resize (GTK_WIDGET (view));
4788 g_object_notify (G_OBJECT (view), "sizing-mode");
4792 ev_view_get_sizing_mode (EvView *view)
4794 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
4796 return view->sizing_mode;
4800 ev_view_can_zoom_in (EvView *view)
4802 return view->scale * ZOOM_IN_FACTOR <= view->max_scale;
4806 ev_view_can_zoom_out (EvView *view)
4808 return view->scale * ZOOM_OUT_FACTOR >= view->min_scale;
4812 ev_view_zoom_in (EvView *view)
4814 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
4816 if (view->presentation)
4819 view->pending_scroll = SCROLL_TO_CENTER;
4820 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
4824 ev_view_zoom_out (EvView *view)
4826 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
4828 if (view->presentation)
4831 view->pending_scroll = SCROLL_TO_CENTER;
4832 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
4836 ev_view_rotate_right (EvView *view)
4838 int rotation = view->rotation + 90;
4840 if (rotation >= 360) {
4844 ev_view_set_rotation (view, rotation);
4848 ev_view_rotate_left (EvView *view)
4850 int rotation = view->rotation - 90;
4856 ev_view_set_rotation (view, rotation);
4860 ev_view_set_rotation (EvView *view, int rotation)
4862 view->rotation = rotation;
4864 if (view->pixbuf_cache) {
4865 ev_pixbuf_cache_clear (view->pixbuf_cache);
4866 gtk_widget_queue_resize (GTK_WIDGET (view));
4870 clear_selection (view);
4872 g_object_notify (G_OBJECT (view), "rotation");
4876 ev_view_get_rotation (EvView *view)
4878 return view->rotation;
4882 zoom_for_size_fit_width (int doc_width,
4890 scale = (double)target_width / doc_width;
4892 if (doc_height * scale > target_height)
4893 scale = (double) (target_width - vsb_width) / doc_width;
4899 zoom_for_size_fit_height (int doc_width,
4907 scale = (double)target_height / doc_height;
4909 if (doc_width * scale > target_width)
4910 scale = (double) (target_height - vsb_height) / doc_height;
4916 zoom_for_size_best_fit (int doc_width,
4926 w_scale = (double)target_width / doc_width;
4927 h_scale = (double)target_height / doc_height;
4929 if (doc_height * w_scale > target_height)
4930 w_scale = (double) (target_width - vsb_width) / doc_width;
4931 if (doc_width * h_scale > target_width)
4932 h_scale = (double) (target_height - hsb_width) / doc_height;
4934 return MIN (w_scale, h_scale);
4939 ev_view_zoom_for_size_presentation (EvView *view,
4943 int doc_width, doc_height;
4946 ev_page_cache_get_size (view->page_cache,
4952 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
4953 ev_view_set_zoom (view, scale, FALSE);
4957 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
4963 int doc_width, doc_height;
4967 ev_page_cache_get_max_width (view->page_cache,
4971 ev_page_cache_get_max_height (view->page_cache,
4975 compute_border (view, doc_width, doc_height, &border);
4977 doc_width = doc_width * 2;
4978 width -= (2 * (border.left + border.right) + 3 * view->spacing);
4979 height -= (border.top + border.bottom + 2 * view->spacing - 1);
4981 /* FIXME: We really need to calculate the overall height here, not the
4982 * page height. We assume there's always a vertical scrollbar for
4983 * now. We need to fix this. */
4984 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
4985 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
4986 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4987 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
4989 g_assert_not_reached ();
4991 ev_view_set_zoom (view, scale, FALSE);
4995 ev_view_zoom_for_size_continuous (EvView *view,
5001 int doc_width, doc_height;
5005 ev_page_cache_get_max_width (view->page_cache,
5009 ev_page_cache_get_max_height (view->page_cache,
5013 compute_border (view, doc_width, doc_height, &border);
5015 width -= (border.left + border.right + 2 * view->spacing);
5016 height -= (border.top + border.bottom + 2 * view->spacing - 1);
5018 /* FIXME: We really need to calculate the overall height here, not the
5019 * page height. We assume there's always a vertical scrollbar for
5020 * now. We need to fix this. */
5021 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5022 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
5023 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5024 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
5026 g_assert_not_reached ();
5028 ev_view_set_zoom (view, scale, FALSE);
5032 ev_view_zoom_for_size_dual_page (EvView *view,
5039 gint doc_width, doc_height;
5043 other_page = view->current_page ^ 1;
5045 /* Find the largest of the two. */
5046 ev_page_cache_get_size (view->page_cache,
5050 &doc_width, &doc_height);
5052 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
5053 gint width_2, height_2;
5054 ev_page_cache_get_size (view->page_cache,
5058 &width_2, &height_2);
5059 if (width_2 > doc_width)
5060 doc_width = width_2;
5061 if (height_2 > doc_height)
5062 doc_height = height_2;
5064 compute_border (view, doc_width, doc_height, &border);
5066 doc_width = doc_width * 2;
5067 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
5068 height -= (border.top + border.bottom + 2 * view->spacing);
5070 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5071 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
5072 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5073 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
5075 g_assert_not_reached ();
5077 ev_view_set_zoom (view, scale, FALSE);
5081 ev_view_zoom_for_size_single_page (EvView *view,
5087 int doc_width, doc_height;
5091 ev_page_cache_get_size (view->page_cache,
5097 /* Get an approximate border */
5098 compute_border (view, width, height, &border);
5100 width -= (border.left + border.right + 2 * view->spacing);
5101 height -= (border.top + border.bottom + 2 * view->spacing);
5103 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5104 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
5105 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5106 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
5108 g_assert_not_reached ();
5110 ev_view_set_zoom (view, scale, FALSE);
5114 ev_view_set_zoom_for_size (EvView *view,
5120 g_return_if_fail (EV_IS_VIEW (view));
5121 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
5122 view->sizing_mode == EV_SIZING_BEST_FIT);
5123 g_return_if_fail (width >= 0);
5124 g_return_if_fail (height >= 0);
5126 if (view->document == NULL)
5129 if (view->presentation)
5130 ev_view_zoom_for_size_presentation (view, width, height);
5131 else if (view->continuous && view->dual_page)
5132 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
5133 else if (view->continuous)
5134 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
5135 else if (view->dual_page)
5136 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
5138 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
5143 update_find_status_message (EvView *view, gboolean this_page)
5150 results = ev_document_find_get_n_results
5151 (EV_DOCUMENT_FIND (view->document),
5152 view->current_page);
5153 /* TRANS: Sometimes this could be better translated as
5154 "%d hit(s) on this page". Therefore this string
5155 contains plural cases. */
5156 message = g_strdup_printf (ngettext ("%d found on this page",
5157 "%d found on this page",
5163 percent = ev_document_find_get_progress
5164 (EV_DOCUMENT_FIND (view->document));
5165 message = g_strdup_printf (_("%3d%% remaining to search"),
5166 (int) ((1.0 - percent) * 100));
5169 ev_view_set_find_status (view, message);
5174 ev_view_get_find_status (EvView *view)
5176 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
5178 return view->find_status;
5182 ev_view_set_find_status (EvView *view, const char *message)
5184 g_return_if_fail (EV_IS_VIEW (view));
5186 g_free (view->find_status);
5187 view->find_status = g_strdup (message);
5188 g_object_notify (G_OBJECT (view), "find-status");
5192 jump_to_find_result (EvView *view)
5194 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
5196 GdkRectangle view_rect;
5198 int page = view->current_page;
5200 n_results = ev_document_find_get_n_results (find, page);
5202 if (n_results > 0 && view->find_result < n_results) {
5203 ev_document_find_get_result
5204 (find, page, view->find_result, &rect);
5206 doc_rect_to_view_rect (view, page, &rect, &view_rect);
5207 ensure_rectangle_is_visible (view, &view_rect);
5213 * @view: #EvView instance
5214 * @direction: Direction to look
5215 * @shift: Shift from current page
5217 * Jumps to the first page that has occurences of searched word.
5218 * Uses a direction where to look and a shift from current page.
5222 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
5226 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5228 for (i = 0; i < n_pages; i++) {
5232 if (direction == EV_VIEW_FIND_NEXT)
5233 page = view->current_page + i;
5235 page = view->current_page - i;
5238 if (page >= n_pages) {
5239 page = page - n_pages;
5242 page = page + n_pages;
5244 has_results = ev_document_find_page_has_results
5245 (EV_DOCUMENT_FIND (view->document), page);
5246 if (has_results == -1) {
5248 } else if (has_results == 1) {
5249 ev_page_cache_set_current_page (view->page_cache, page);
5256 ev_view_can_find_next (EvView *view)
5258 if (EV_IS_DOCUMENT_FIND (view->document)) {
5259 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
5262 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5263 for (i = 0; i < n_pages; i++) {
5264 if (ev_document_find_get_n_results (find, i) > 0) {
5274 ev_view_find_next (EvView *view)
5276 int n_results, n_pages;
5277 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
5279 n_results = ev_document_find_get_n_results (find, view->current_page);
5281 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5283 view->find_result++;
5285 if (view->find_result >= n_results) {
5287 view->find_result = 0;
5288 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
5289 jump_to_find_result (view);
5291 jump_to_find_result (view);
5292 gtk_widget_queue_draw (GTK_WIDGET (view));
5297 ev_view_can_find_previous (EvView *view)
5299 if (EV_IS_DOCUMENT_FIND (view->document)) {
5300 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
5303 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5304 for (i = n_pages - 1; i >= 0; i--) {
5305 if (ev_document_find_get_n_results (find, i) > 0) {
5314 ev_view_find_previous (EvView *view)
5316 int n_results, n_pages;
5317 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
5318 EvPageCache *page_cache;
5320 page_cache = ev_page_cache_get (view->document);
5322 n_results = ev_document_find_get_n_results (find, view->current_page);
5324 n_pages = ev_page_cache_get_n_pages (page_cache);
5326 view->find_result--;
5328 if (view->find_result < 0) {
5330 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
5331 view->find_result = ev_document_find_get_n_results (find, view->current_page) - 1;
5332 jump_to_find_result (view);
5334 jump_to_find_result (view);
5335 gtk_widget_queue_draw (GTK_WIDGET (view));
5340 ev_view_search_changed (EvView *view)
5342 /* search string has changed, focus on new search result */
5343 view->jump_to_find_result = TRUE;
5347 ev_view_set_highlight_search (EvView *view, gboolean value)
5349 view->highlight_find_results = value;
5350 gtk_widget_queue_draw (GTK_WIDGET (view));
5354 ev_view_find_cancel (EvView *view)
5356 if (EV_IS_DOCUMENT_FIND (view->document)) {
5357 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
5359 ev_document_find_cancel (find);
5363 /*** Selections ***/
5365 /* compute_new_selection_rect/text calculates the area currently selected by
5366 * view_rect. each handles a different mode;
5369 compute_new_selection_rect (EvView *view,
5373 GdkRectangle view_rect;
5377 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
5379 view_rect.x = MIN (start->x, stop->x);
5380 view_rect.y = MIN (start->y, stop->y);
5381 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
5382 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
5384 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5386 for (i = 0; i < n_pages; i++) {
5387 GdkRectangle page_area;
5390 if (get_page_extents (view, i, &page_area, &border)) {
5391 GdkRectangle overlap;
5393 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
5394 EvViewSelection *selection;
5396 selection = g_new0 (EvViewSelection, 1);
5397 selection->page = i;
5398 view_rect_to_doc_rect (view, &overlap, &page_area,
5399 &(selection->rect));
5401 list = g_list_append (list, selection);
5410 gdk_rectangle_point_in (GdkRectangle *rectangle,
5413 return rectangle->x <= point->x &&
5414 rectangle->y <= point->y &&
5415 point->x < rectangle->x + rectangle->width &&
5416 point->y < rectangle->y + rectangle->height;
5420 compute_new_selection_text (EvView *view,
5421 EvSelectionStyle style,
5425 int n_pages, i, first, last;
5427 EvViewSelection *selection;
5429 int start_page, end_page;
5431 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
5433 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5435 /* First figure out the range of pages the selection
5439 if (view->continuous) {
5442 } else if (view->dual_page) {
5443 start_page = view->start_page;
5444 end_page = view->end_page + 1;
5446 start_page = view->current_page;
5447 end_page = view->current_page + 1;
5450 for (i = start_page; i < end_page; i++) {
5451 GdkRectangle page_area;
5454 get_page_extents (view, i, &page_area, &border);
5455 if (gdk_rectangle_point_in (&page_area, start) ||
5456 gdk_rectangle_point_in (&page_area, stop)) {
5457 if (first == n_pages)
5464 /* Now create a list of EvViewSelection's for the affected
5465 * pages. This could be an empty list, a list of just one
5466 * page or a number of pages.*/
5467 for (i = first; i < last + 1; i++) {
5468 GdkRectangle page_area;
5472 ev_page_cache_get_size (view->page_cache, i,
5474 1.0, &width, &height);
5476 selection = g_new0 (EvViewSelection, 1);
5477 selection->page = i;
5478 selection->style = style;
5479 selection->rect.x1 = selection->rect.y1 = 0;
5480 selection->rect.x2 = width;
5481 selection->rect.y2 = height;
5483 get_page_extents (view, i, &page_area, &border);
5485 if (gdk_rectangle_point_in (&page_area, start))
5491 view_point_to_doc_point (view, point, &page_area,
5492 &selection->rect.x1,
5493 &selection->rect.y1);
5495 /* If the selection is contained within just one page,
5496 * make sure we don't write 'start' into both points
5497 * in selection->rect. */
5502 view_point_to_doc_point (view, point, &page_area,
5503 &selection->rect.x2,
5504 &selection->rect.y2);
5506 list = g_list_append (list, selection);
5512 /* This function takes the newly calculated list, and figures out which regions
5513 * have changed. It then queues a redraw approporiately.
5516 merge_selection_region (EvView *view,
5520 GList *new_list_ptr, *old_list_ptr;
5522 /* Update the selection */
5523 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
5524 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5525 view->selection_info.selections = new_list;
5526 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
5527 g_object_notify (G_OBJECT (view), "has-selection");
5529 new_list_ptr = new_list;
5530 old_list_ptr = old_list;
5532 while (new_list_ptr || old_list_ptr) {
5533 EvViewSelection *old_sel, *new_sel;
5535 GdkRegion *region = NULL;
5537 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
5538 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
5540 /* Assume that the lists are in order, and we run through them
5541 * comparing them, one page at a time. We come out with the
5542 * first page we see. */
5543 if (new_sel && old_sel) {
5544 if (new_sel->page < old_sel->page) {
5545 new_list_ptr = new_list_ptr->next;
5547 } else if (new_sel->page > old_sel->page) {
5548 old_list_ptr = old_list_ptr->next;
5551 new_list_ptr = new_list_ptr->next;
5552 old_list_ptr = old_list_ptr->next;
5554 } else if (new_sel) {
5555 new_list_ptr = new_list_ptr->next;
5556 } else if (old_sel) {
5557 old_list_ptr = old_list_ptr->next;
5560 g_assert (new_sel || old_sel);
5562 /* is the page we're looking at on the screen?*/
5563 cur_page = new_sel ? new_sel->page : old_sel->page;
5564 if (cur_page < view->start_page || cur_page > view->end_page)
5567 /* seed the cache with a new page. We are going to need the new
5570 GdkRegion *tmp_region = NULL;
5572 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
5578 new_sel->covered_region = gdk_region_copy (tmp_region);
5582 /* Now we figure out what needs redrawing */
5583 if (old_sel && new_sel) {
5584 if (old_sel->covered_region && new_sel->covered_region) {
5585 /* We only want to redraw the areas that have
5586 * changed, so we xor the old and new regions
5587 * and redraw if it's different */
5588 region = gdk_region_copy (old_sel->covered_region);
5589 gdk_region_xor (region, new_sel->covered_region);
5590 if (gdk_region_empty (region)) {
5591 gdk_region_destroy (region);
5594 } else if (old_sel->covered_region) {
5595 region = gdk_region_copy (old_sel->covered_region);
5596 } else if (new_sel->covered_region) {
5597 region = gdk_region_copy (new_sel->covered_region);
5599 } else if (old_sel && !new_sel) {
5600 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
5601 region = gdk_region_copy (old_sel->covered_region);
5603 } else if (!old_sel && new_sel) {
5604 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
5605 region = gdk_region_copy (new_sel->covered_region);
5608 g_assert_not_reached ();
5611 /* Redraw the damaged region! */
5613 GdkRectangle page_area;
5616 /* I don't know why but the region is smaller
5617 * than expected. This hack fixes it, I guess
5618 * 10 pixels more won't hurt
5620 gdk_region_shrink (region, -5, -5);
5622 get_page_extents (view, cur_page, &page_area, &border);
5623 gdk_region_offset (region,
5624 page_area.x + border.left - view->scroll_x,
5625 page_area.y + border.top - view->scroll_y);
5626 gdk_window_invalidate_region (view->layout.bin_window, region, TRUE);
5627 gdk_region_destroy (region);
5631 /* Free the old list, now that we're done with it. */
5632 g_list_foreach (old_list, (GFunc) selection_free, NULL);
5636 compute_selections (EvView *view,
5637 EvSelectionStyle style,
5643 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
5644 list = compute_new_selection_rect (view, start, stop);
5646 list = compute_new_selection_text (view, style, start, stop);
5647 merge_selection_region (view, list);
5650 /* Free's the selection. It's up to the caller to queue redraws if needed.
5653 selection_free (EvViewSelection *selection)
5655 if (selection->covered_region)
5656 gdk_region_destroy (selection->covered_region);
5661 clear_selection (EvView *view)
5663 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5664 view->selection_info.selections = NULL;
5665 view->selection_info.in_selection = FALSE;
5666 if (view->pixbuf_cache)
5667 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
5668 g_object_notify (G_OBJECT (view), "has-selection");
5672 ev_view_select_all (EvView *view)
5674 GList *selections = NULL;
5677 /* Disable selection on rotated pages for the 0.4.0 series */
5678 if (view->rotation != 0)
5681 clear_selection (view);
5683 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5684 for (i = 0; i < n_pages; i++) {
5686 EvViewSelection *selection;
5688 ev_page_cache_get_size (view->page_cache,
5691 1.0, &width, &height);
5693 selection = g_new0 (EvViewSelection, 1);
5694 selection->page = i;
5695 selection->style = EV_SELECTION_STYLE_GLYPH;
5696 selection->rect.x1 = selection->rect.y1 = 0;
5697 selection->rect.x2 = width;
5698 selection->rect.y2 = height;
5700 selections = g_list_append (selections, selection);
5703 merge_selection_region (view, selections);
5704 gtk_widget_queue_draw (GTK_WIDGET (view));
5708 ev_view_get_has_selection (EvView *view)
5710 return view->selection_info.selections != NULL;
5714 get_selected_text (EvView *view)
5718 gchar *normalized_text;
5719 EvRenderContext *rc;
5721 text = g_string_new (NULL);
5722 rc = ev_render_context_new (NULL, view->rotation, view->scale);
5724 ev_document_doc_mutex_lock ();
5726 for (l = view->selection_info.selections; l != NULL; l = l->next) {
5727 EvViewSelection *selection = (EvViewSelection *)l->data;
5731 page = ev_document_get_page (view->document, selection->page);
5732 ev_render_context_set_page (rc, page);
5733 g_object_unref (page);
5735 tmp = ev_selection_get_selected_text (EV_SELECTION (view->document),
5736 rc, selection->style,
5737 &(selection->rect));
5739 g_string_append (text, tmp);
5743 g_object_unref (rc);
5745 ev_document_doc_mutex_unlock ();
5747 normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC);
5748 g_string_free (text, TRUE);
5749 return normalized_text;
5753 ev_view_clipboard_copy (EvView *view,
5756 GtkClipboard *clipboard;
5758 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
5759 GDK_SELECTION_CLIPBOARD);
5760 gtk_clipboard_set_text (clipboard, text, -1);
5764 ev_view_copy (EvView *ev_view)
5768 if (!EV_IS_SELECTION (ev_view->document))
5771 text = get_selected_text (ev_view);
5772 ev_view_clipboard_copy (ev_view, text);
5777 ev_view_primary_get_cb (GtkClipboard *clipboard,
5778 GtkSelectionData *selection_data,
5782 EvView *ev_view = EV_VIEW (data);
5784 if (ev_view->link_selected) {
5785 gtk_selection_data_set_text (selection_data,
5786 ev_link_action_get_uri (ev_view->link_selected),
5788 } else if (EV_IS_SELECTION (ev_view->document) &&
5789 ev_view->selection_info.selections) {
5792 text = get_selected_text (ev_view);
5794 gtk_selection_data_set_text (selection_data, text, -1);
5801 ev_view_primary_clear_cb (GtkClipboard *clipboard,
5804 EvView *view = EV_VIEW (data);
5806 clear_selection (view);
5807 clear_link_selected (view);
5811 ev_view_update_primary_selection (EvView *ev_view)
5813 GtkClipboard *clipboard;
5815 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
5816 GDK_SELECTION_PRIMARY);
5818 if (ev_view->selection_info.selections || ev_view->link_selected) {
5819 if (!gtk_clipboard_set_with_owner (clipboard,
5821 G_N_ELEMENTS (clipboard_targets),
5822 ev_view_primary_get_cb,
5823 ev_view_primary_clear_cb,
5824 G_OBJECT (ev_view)))
5825 ev_view_primary_clear_cb (clipboard, ev_view);
5827 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
5828 gtk_clipboard_clear (clipboard);
5833 clear_link_selected (EvView *view)
5835 if (view->link_selected) {
5836 g_object_unref (view->link_selected);
5837 view->link_selected = NULL;
5842 ev_view_copy_link_address (EvView *view,
5843 EvLinkAction *action)
5845 clear_link_selected (view);
5847 ev_view_clipboard_copy (view, ev_link_action_get_uri (action));
5849 view->link_selected = g_object_ref (action);
5850 ev_view_update_primary_selection (view);
5853 /*** Cursor operations ***/
5856 ev_view_create_invisible_cursor(void)
5859 GdkColor black = { 0, 0, 0, 0 };
5860 static char bits[] = { 0x00 };
5862 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
5864 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
5868 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
5870 GdkCursor *cursor = NULL;
5871 GdkDisplay *display;
5874 if (view->cursor == new_cursor) {
5878 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
5879 display = gtk_widget_get_display (widget);
5880 view->cursor = new_cursor;
5882 switch (new_cursor) {
5883 case EV_VIEW_CURSOR_NORMAL:
5884 gdk_window_set_cursor (view->layout.bin_window, NULL);
5886 case EV_VIEW_CURSOR_IBEAM:
5887 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
5889 case EV_VIEW_CURSOR_LINK:
5890 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
5892 case EV_VIEW_CURSOR_WAIT:
5893 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
5895 case EV_VIEW_CURSOR_HIDDEN:
5896 cursor = ev_view_create_invisible_cursor ();
5898 case EV_VIEW_CURSOR_DRAG:
5899 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
5901 case EV_VIEW_CURSOR_AUTOSCROLL:
5902 cursor = gdk_cursor_new_for_display (display, GDK_DOUBLE_ARROW);
5907 gdk_window_set_cursor (view->layout.bin_window, cursor);
5908 gdk_cursor_unref (cursor);
5914 ev_view_hide_cursor (EvView *view)
5916 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
5920 ev_view_show_cursor (EvView *view)
5922 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
5926 ev_view_reset_presentation_state (EvView *view)
5928 if (!view->presentation ||
5929 view->presentation_state == EV_PRESENTATION_NORMAL)
5932 view->presentation_state = EV_PRESENTATION_NORMAL;
5933 gdk_window_set_background (view->layout.bin_window,
5934 >K_WIDGET (view)->style->black);
5935 gtk_widget_queue_draw (GTK_WIDGET (view));
5939 ev_view_next_page (EvView *view)
5943 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5945 if (!view->page_cache)
5948 if (view->presentation &&
5949 (view->presentation_state == EV_PRESENTATION_BLACK ||
5950 view->presentation_state == EV_PRESENTATION_WHITE)) {
5951 ev_view_reset_presentation_state (view);
5955 if (view->animation) {
5956 ev_view_transition_animation_finish (view->animation, view);
5960 ev_view_presentation_transition_stop (view);
5961 ev_view_reset_presentation_state (view);
5963 page = ev_page_cache_get_current_page (view->page_cache);
5964 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5966 if (view->dual_page && !view->presentation)
5971 if (page < n_pages) {
5972 ev_page_cache_set_current_page (view->page_cache, page);
5974 } else if (view->presentation && page == n_pages) {
5975 view->presentation_state = EV_PRESENTATION_END;
5976 gtk_widget_queue_draw (GTK_WIDGET (view));
5978 } else if (view->dual_page && page == n_pages) {
5979 ev_page_cache_set_current_page (view->page_cache, page - 1);
5987 ev_view_previous_page (EvView *view)
5991 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5993 if (!view->page_cache)
5996 if (view->presentation &&
5997 view->presentation_state == EV_PRESENTATION_END) {
5998 ev_view_reset_presentation_state (view);
6002 if (view->presentation &&
6003 (view->presentation_state == EV_PRESENTATION_BLACK ||
6004 view->presentation_state == EV_PRESENTATION_WHITE)) {
6005 ev_view_reset_presentation_state (view);
6009 if (view->animation) {
6010 ev_view_transition_animation_finish (view->animation, view);
6014 ev_view_reset_presentation_state (view);
6016 page = ev_page_cache_get_current_page (view->page_cache);
6018 if (view->dual_page && !view->presentation)
6024 ev_page_cache_set_current_page (view->page_cache, page);
6026 } else if (ev_view_get_dual_page (view) && page == -1) {
6027 ev_page_cache_set_current_page (view->page_cache, 0);
6034 /*** Enum description for usage in signal ***/
6037 ev_sizing_mode_get_type (void)
6039 static GType etype = 0;
6041 static const GEnumValue values[] = {
6042 { EV_SIZING_FIT_WIDTH, "EV_SIZING_FIT_WIDTH", "fit-width" },
6043 { EV_SIZING_BEST_FIT, "EV_SIZING_BEST_FIT", "best-fit" },
6044 { EV_SIZING_FREE, "EV_SIZING_FREE", "free" },
6047 etype = g_enum_register_static ("EvSizingMode", values);
6053 ev_scroll_type_get_type (void)
6055 static GType etype = 0;
6057 static const GEnumValue values[] = {
6058 { EV_SCROLL_PAGE_FORWARD, "EV_SCROLL_PAGE_FORWARD", "scroll-page-forward" },
6059 { EV_SCROLL_PAGE_BACKWARD, "EV_SCROLL_PAGE_BACKWARD", "scroll-page-backward" },
6060 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
6061 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
6062 { EV_SCROLL_STEP_UP, "EV_SCROLL_STEP_UP", "scroll-step-up" },
6063 { EV_SCROLL_STEP_DOWN, "EV_SCROLL_STEP_DOWN", "scroll-step-down" },
6066 etype = g_enum_register_static ("EvScrollType", values);
6072 ev_view_update_view_size (EvView *view, GtkScrolledWindow * scrolled_window)
6075 GtkRequisition vsb_requisition;
6076 GtkRequisition hsb_requisition;
6077 int scrollbar_spacing;
6079 /* Calculate the width available for the content */
6080 width = GTK_WIDGET (scrolled_window)->allocation.width;
6081 height = GTK_WIDGET (scrolled_window)->allocation.height;
6083 if (gtk_scrolled_window_get_shadow_type (scrolled_window) == GTK_SHADOW_IN
6085 width -= 2 * GTK_WIDGET(view)->style->xthickness;
6086 height -= 2 * GTK_WIDGET(view)->style->ythickness;
6089 gtk_widget_size_request (scrolled_window->vscrollbar, &vsb_requisition);
6090 gtk_widget_size_request (scrolled_window->hscrollbar, &hsb_requisition);
6091 gtk_widget_style_get (GTK_WIDGET (scrolled_window),
6092 "scrollbar_spacing",
6096 if (EV_IS_VIEW(view)) {
6097 ev_view_set_zoom_for_size (EV_VIEW (view),
6100 vsb_requisition.width + scrollbar_spacing,
6101 hsb_requisition.height + scrollbar_spacing);