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.
25 #include <gtk/gtkalignment.h>
26 #include <glib/gi18n.h>
27 #include <gtk/gtkbindings.h>
28 #include <gtk/gtkselection.h>
29 #include <gtk/gtkclipboard.h>
30 #include <gdk/gdkkeysyms.h>
32 #include "ev-marshal.h"
34 #include "ev-view-private.h"
36 #include "ev-document-links.h"
37 #include "ev-document-images.h"
38 #include "ev-document-find.h"
39 #include "ev-document-transition.h"
40 #include "ev-document-forms.h"
41 #include "ev-document-misc.h"
42 #include "ev-job-queue.h"
43 #include "ev-page-cache.h"
44 #include "ev-pixbuf-cache.h"
45 #include "ev-transition-animation.h"
46 #if !GTK_CHECK_VERSION (2, 11, 7)
47 #include "ev-tooltip.h"
49 #include "ev-application.h"
51 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
52 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
53 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
70 SIGNAL_BINDING_ACTIVATED,
89 TARGET_TEXT_BUFFER_CONTENTS
92 static const GtkTargetEntry clipboard_targets[] = {
93 { "STRING", 0, TARGET_STRING },
94 { "TEXT", 0, TARGET_TEXT },
95 { "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT },
96 { "UTF8_STRING", 0, TARGET_UTF8_STRING },
99 static const GtkTargetEntry view_drop_targets[] = {
100 { "text/uri-list", 0, 0 }
103 static guint signals[N_SIGNALS];
108 } EvViewFindDirection;
110 #define ZOOM_IN_FACTOR 1.2
111 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
113 #define MIN_SCALE 0.05409
114 #define MAX_SCALE 4.0
116 #define SCROLL_TIME 150
119 static void scroll_to_current_page (EvView *view,
120 GtkOrientation orientation);
121 static void ev_view_set_scroll_adjustments (GtkLayout *layout,
122 GtkAdjustment *hadjustment,
123 GtkAdjustment *vadjustment);
124 static void view_update_range_and_current_page (EvView *view);
125 static void set_scroll_adjustment (EvView *view,
126 GtkOrientation orientation,
127 GtkAdjustment *adjustment);
128 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
130 GdkModifierType modifiers,
132 gboolean horizontal);
133 static void ensure_rectangle_is_visible (EvView *view,
136 /*** Geometry computations ***/
137 static void compute_border (EvView *view,
141 static void get_page_y_offset (EvView *view,
145 static gboolean get_page_extents (EvView *view,
147 GdkRectangle *page_area,
149 static void view_rect_to_doc_rect (EvView *view,
150 GdkRectangle *view_rect,
151 GdkRectangle *page_area,
152 EvRectangle *doc_rect);
153 static void doc_rect_to_view_rect (EvView *view,
155 EvRectangle *doc_rect,
156 GdkRectangle *view_rect);
157 static void find_page_at_location (EvView *view,
163 static gboolean doc_point_to_view_point (EvView *view,
166 GdkPoint *view_point);
168 static EvLink * ev_view_get_link_at_location (EvView *view,
171 static char* tip_from_link (EvView *view,
174 static EvFormField *ev_view_get_form_field_at_location (EvView *view,
178 /*** GtkWidget implementation ***/
179 static void ev_view_size_request_continuous_dual_page (EvView *view,
180 GtkRequisition *requisition);
181 static void ev_view_size_request_continuous (EvView *view,
182 GtkRequisition *requisition);
183 static void ev_view_size_request_dual_page (EvView *view,
184 GtkRequisition *requisition);
185 static void ev_view_size_request_single_page (EvView *view,
186 GtkRequisition *requisition);
187 static void ev_view_size_request (GtkWidget *widget,
188 GtkRequisition *requisition);
189 static void ev_view_size_allocate (GtkWidget *widget,
190 GtkAllocation *allocation);
191 static void ev_view_realize (GtkWidget *widget);
192 static gboolean ev_view_scroll_event (GtkWidget *widget,
193 GdkEventScroll *event);
194 static gboolean ev_view_expose_event (GtkWidget *widget,
195 GdkEventExpose *event);
196 static gboolean ev_view_popup_menu (GtkWidget *widget);
197 static gboolean ev_view_button_press_event (GtkWidget *widget,
198 GdkEventButton *event);
199 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
200 GdkEventMotion *event);
201 static gboolean ev_view_button_release_event (GtkWidget *widget,
202 GdkEventButton *event);
203 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
204 GdkEventCrossing *event);
205 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
206 GdkEventCrossing *event);
207 static void ev_view_style_set (GtkWidget *widget,
208 GtkStyle *old_style);
209 static void ev_view_remove_all (EvView *view);
211 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
214 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
215 static void draw_rubberband (GtkWidget *widget,
217 const GdkRectangle *rect,
219 static void highlight_find_results (EvView *view,
221 static void draw_one_page (EvView *view,
224 GdkRectangle *page_area,
226 GdkRectangle *expose_area,
227 gboolean *page_ready);
228 static void draw_loading_text (EvView *view,
229 GdkRectangle *page_area,
230 GdkRectangle *expose_area);
233 static void find_changed_cb (EvDocument *document,
236 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
239 static void page_changed_cb (EvPageCache *page_cache,
242 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
246 static void ev_view_finalize (GObject *object);
247 static void ev_view_destroy (GtkObject *object);
248 static void ev_view_set_property (GObject *object,
252 static void ev_view_get_property (GObject *object,
256 static void ev_view_class_init (EvViewClass *class);
257 static void ev_view_init (EvView *view);
259 /*** Zoom and sizing ***/
260 static double zoom_for_size_fit_width (int doc_width,
265 static double zoom_for_size_fit_height (int doc_width,
270 static double zoom_for_size_best_fit (int doc_width,
276 static void ev_view_zoom_for_size_presentation (EvView *view,
279 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
284 static void ev_view_zoom_for_size_continuous (EvView *view,
289 static void ev_view_zoom_for_size_dual_page (EvView *view,
294 static void ev_view_zoom_for_size_single_page (EvView *view,
300 static GdkCursor* ev_view_create_invisible_cursor (void);
301 static void ev_view_set_cursor (EvView *view,
302 EvViewCursor new_cursor);
303 static void ev_view_handle_cursor_over_xy (EvView *view,
308 static void update_find_status_message (EvView *view,
310 static void ev_view_set_find_status (EvView *view,
311 const char *message);
312 static void jump_to_find_result (EvView *view);
313 static void jump_to_find_page (EvView *view,
314 EvViewFindDirection direction,
318 static void compute_selections (EvView *view,
319 EvSelectionStyle style,
322 static void clear_selection (EvView *view);
323 static void selection_free (EvViewSelection *selection);
324 static char* get_selected_text (EvView *ev_view);
325 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
326 GtkSelectionData *selection_data,
329 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
331 static void ev_view_update_primary_selection (EvView *ev_view);
333 /*** Presentation ***/
334 static void ev_view_presentation_transition_start (EvView *ev_view);
335 static void ev_view_presentation_transition_stop (EvView *ev_view);
338 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_LAYOUT)
341 scroll_to_current_page (EvView *view, GtkOrientation orientation)
345 if (view->document == NULL) {
349 doc_point_to_view_point (view, view->current_page, &view->pending_point, &view_point);
351 if (orientation == GTK_ORIENTATION_VERTICAL) {
352 view->pending_point.y = 0;
354 view->pending_point.x = 0;
357 if (orientation == GTK_ORIENTATION_VERTICAL) {
358 if (view->continuous) {
359 gtk_adjustment_clamp_page (view->vadjustment,
360 view_point.y - view->spacing / 2,
361 view_point.y + view->vadjustment->page_size);
363 gtk_adjustment_set_value (view->vadjustment,
365 view->vadjustment->lower,
366 view->vadjustment->upper -
367 view->vadjustment->page_size));
370 if (view->dual_page) {
371 gtk_adjustment_clamp_page (view->hadjustment,
373 view_point.x + view->hadjustment->page_size);
375 gtk_adjustment_set_value (view->hadjustment,
377 view->hadjustment->lower,
378 view->hadjustment->upper -
379 view->hadjustment->page_size));
385 view_set_adjustment_values (EvView *view,
386 GtkOrientation orientation)
388 GtkWidget *widget = GTK_WIDGET (view);
389 GtkAdjustment *adjustment;
396 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
397 requisition = widget->requisition.width;
398 allocation = widget->allocation.width;
399 adjustment = view->hadjustment;
401 requisition = widget->requisition.height;
402 allocation = widget->allocation.height;
403 adjustment = view->vadjustment;
410 switch (view->pending_scroll) {
411 case SCROLL_TO_KEEP_POSITION:
412 case SCROLL_TO_FIND_LOCATION:
413 factor = (adjustment->value) / adjustment->upper;
415 case SCROLL_TO_PAGE_POSITION:
417 case SCROLL_TO_CENTER:
418 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
422 adjustment->page_size = allocation;
423 adjustment->step_increment = allocation * 0.1;
424 adjustment->page_increment = allocation * 0.9;
425 adjustment->lower = 0;
426 adjustment->upper = MAX (allocation, requisition);
429 * We add 0.5 to the values before to average out our rounding errors.
431 switch (view->pending_scroll) {
432 case SCROLL_TO_KEEP_POSITION:
433 case SCROLL_TO_FIND_LOCATION:
434 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
435 gtk_adjustment_set_value (adjustment, (int)new_value);
437 case SCROLL_TO_PAGE_POSITION:
438 scroll_to_current_page (view, orientation);
440 case SCROLL_TO_CENTER:
441 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
442 0, adjustment->upper - adjustment->page_size);
443 gtk_adjustment_set_value (adjustment, (int)new_value);
447 gtk_adjustment_changed (adjustment);
451 view_update_range_and_current_page (EvView *view)
454 gint best_current_page = -1;
456 /* Presentation trumps all other modes */
457 if (view->presentation) {
458 view->start_page = view->current_page;
459 view->end_page = view->current_page;
460 } else if (view->continuous) {
461 GdkRectangle current_area, unused, page_area;
463 gboolean found = FALSE;
464 gint area_max = -1, area;
467 if (!(view->vadjustment && view->hadjustment))
470 current_area.x = view->hadjustment->value;
471 current_area.width = view->hadjustment->upper;
472 current_area.y = view->vadjustment->value;
473 current_area.height = view->vadjustment->page_size;
475 for (i = 0; i < ev_page_cache_get_n_pages (view->page_cache); i++) {
477 get_page_extents (view, i, &page_area, &border);
479 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
480 area = unused.width * unused.height;
484 view->start_page = i;
486 best_current_page = i;
488 if (area > area_max) {
489 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
494 } else if (found && view->current_page <= view->end_page) {
499 } else if (view->dual_page) {
500 if (view->current_page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) {
501 view->start_page = view->current_page;
502 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache))
503 view->end_page = view->start_page + 1;
505 view->end_page = view->start_page;
507 if (view->current_page < 1)
508 view->start_page = view->current_page;
510 view->start_page = view->current_page - 1;
511 view->end_page = view->current_page;
514 view->start_page = view->current_page;
515 view->end_page = view->current_page;
518 best_current_page = MAX (best_current_page, view->start_page);
519 current_page = ev_page_cache_get_current_page (view->page_cache);
521 if ((current_page != best_current_page) && (view->pending_scroll == SCROLL_TO_KEEP_POSITION)) {
522 view->current_page = best_current_page;
523 ev_page_cache_set_current_page (view->page_cache, best_current_page);
526 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
531 view->selection_info.selections);
535 set_scroll_adjustment (EvView *view,
536 GtkOrientation orientation,
537 GtkAdjustment *adjustment)
539 GtkAdjustment **to_set;
541 if (orientation == GTK_ORIENTATION_HORIZONTAL)
542 to_set = &view->hadjustment;
544 to_set = &view->vadjustment;
546 if (*to_set != adjustment) {
548 g_signal_handlers_disconnect_by_func (*to_set,
549 (gpointer) on_adjustment_value_changed,
551 g_object_unref (*to_set);
554 *to_set = adjustment;
555 view_set_adjustment_values (view, orientation);
558 g_object_ref (*to_set);
559 g_signal_connect (*to_set, "value_changed",
560 G_CALLBACK (on_adjustment_value_changed), view);
566 ev_view_set_scroll_adjustments (GtkLayout *layout,
567 GtkAdjustment *hadjustment,
568 GtkAdjustment *vadjustment)
570 EvView *view = EV_VIEW (layout);
572 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
573 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
575 on_adjustment_value_changed (NULL, view);
579 add_scroll_binding_keypad (GtkBindingSet *binding_set,
581 GdkModifierType modifiers,
585 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
587 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
588 "binding_activated", 2,
589 EV_TYPE_SCROLL_TYPE, scroll,
590 G_TYPE_BOOLEAN, horizontal);
591 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
592 "binding_activated", 2,
593 EV_TYPE_SCROLL_TYPE, scroll,
594 G_TYPE_BOOLEAN, horizontal);
598 ev_view_scroll (EvView *view,
602 GtkAdjustment *adjustment;
603 double value, increment;
604 gboolean first_page = FALSE;
605 gboolean last_page = FALSE;
607 view->jump_to_find_result = FALSE;
609 if (view->presentation || view->sizing_mode == EV_SIZING_BEST_FIT) {
611 case EV_SCROLL_PAGE_BACKWARD:
612 case EV_SCROLL_STEP_BACKWARD:
613 ev_view_previous_page (view);
615 case EV_SCROLL_PAGE_FORWARD:
616 case EV_SCROLL_STEP_FORWARD:
617 ev_view_next_page (view);
625 /* Assign values for increment and vertical adjustment */
626 adjustment = horizontal ? view->hadjustment : view->vadjustment;
627 increment = adjustment->page_size * 0.75;
628 value = adjustment->value;
630 /* Assign boolean for first and last page */
631 if (view->current_page == 0)
633 if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1)
637 case EV_SCROLL_PAGE_BACKWARD:
638 /* Do not jump backwards if at the first page */
639 if (value == (adjustment->lower) && first_page) {
641 /* At the top of a page, assign the upper bound limit of previous page */
642 } else if (value == (adjustment->lower)) {
643 value = adjustment->upper - adjustment->page_size;
644 ev_view_previous_page (view);
645 /* Jump to the top */
647 value = MAX (value - increment, adjustment->lower);
650 case EV_SCROLL_PAGE_FORWARD:
651 /* Do not jump forward if at the last page */
652 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
654 /* At the bottom of a page, assign the lower bound limit of next page */
655 } else if (value == (adjustment->upper - adjustment->page_size)) {
657 ev_view_next_page (view);
658 /* Jump to the bottom */
660 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
663 case EV_SCROLL_STEP_BACKWARD:
664 value -= adjustment->step_increment;
666 case EV_SCROLL_STEP_FORWARD:
667 value += adjustment->step_increment;
669 case EV_SCROLL_STEP_DOWN:
670 value -= adjustment->step_increment / 10;
672 case EV_SCROLL_STEP_UP:
673 value += adjustment->step_increment / 10;
679 value = CLAMP (value, adjustment->lower,
680 adjustment->upper - adjustment->page_size);
682 gtk_adjustment_set_value (adjustment, value);
688 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
690 GtkWidget *widget = GTK_WIDGET (view);
691 GtkAdjustment *adjustment;
694 view->pending_scroll = SCROLL_TO_FIND_LOCATION;
696 adjustment = view->vadjustment;
698 if (rect->y < adjustment->value) {
699 value = MAX (adjustment->lower, rect->y - MARGIN);
700 gtk_adjustment_set_value (view->vadjustment, value);
701 } else if (rect->y + rect->height >
702 adjustment->value + widget->allocation.height) {
703 value = MIN (adjustment->upper, rect->y + rect->height -
704 widget->allocation.height + MARGIN);
705 gtk_adjustment_set_value (view->vadjustment, value);
708 adjustment = view->hadjustment;
710 if (rect->x < adjustment->value) {
711 value = MAX (adjustment->lower, rect->x - MARGIN);
712 gtk_adjustment_set_value (view->hadjustment, value);
713 } else if (rect->x + rect->height >
714 adjustment->value + widget->allocation.width) {
715 value = MIN (adjustment->upper, rect->x + rect->width -
716 widget->allocation.width + MARGIN);
717 gtk_adjustment_set_value (view->hadjustment, value);
720 gtk_widget_queue_resize (GTK_WIDGET (view));
723 /*** Geometry computations ***/
726 compute_border (EvView *view, int width, int height, GtkBorder *border)
728 if (view->presentation) {
734 ev_document_misc_get_page_border_size (width, height, border);
739 get_page_y_offset (EvView *view, int page, double zoom, int *y_offset)
741 int max_width, offset;
744 g_return_if_fail (y_offset != NULL);
746 ev_page_cache_get_max_width (view->page_cache, view->rotation, zoom, &max_width);
748 compute_border (view, max_width, max_width, &border);
750 if (view->dual_page) {
751 ev_page_cache_get_height_to_page (view->page_cache, page,
752 view->rotation, zoom, NULL, &offset);
753 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);
755 ev_page_cache_get_height_to_page (view->page_cache, page,
756 view->rotation, zoom, &offset, NULL);
757 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
765 get_page_extents (EvView *view,
767 GdkRectangle *page_area,
773 widget = GTK_WIDGET (view);
775 /* Get the size of the page */
776 ev_page_cache_get_size (view->page_cache, page,
780 compute_border (view, width, height, border);
781 page_area->width = width + border->left + border->right;
782 page_area->height = height + border->top + border->bottom;
784 if (view->presentation) {
785 page_area->x = (MAX (0, widget->allocation.width - width))/2;
786 page_area->y = (MAX (0, widget->allocation.height - height))/2;
787 } else if (view->continuous) {
791 ev_page_cache_get_max_width (view->page_cache, view->rotation,
792 view->scale, &max_width);
793 max_width = max_width + border->left + border->right;
794 /* Get the location of the bounding box */
795 if (view->dual_page) {
796 x = view->spacing + ((page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? 0 : 1) * (max_width + view->spacing);
797 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
798 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
799 x = x + (max_width - width - border->left - border->right);
802 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
805 get_page_y_offset (view, page, view->scale, &y);
811 if (view->dual_page) {
812 gint width_2, height_2;
813 gint max_width = width;
814 gint max_height = height;
815 GtkBorder overall_border;
818 other_page = (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? page + 1: page - 1;
820 /* First, we get the bounding box of the two pages */
821 if (other_page < ev_page_cache_get_n_pages (view->page_cache)
822 && (0 <= other_page)) {
823 ev_page_cache_get_size (view->page_cache,
827 &width_2, &height_2);
830 if (height_2 > height)
831 max_height = height_2;
833 compute_border (view, max_width, max_height, &overall_border);
835 /* Find the offsets */
839 /* Adjust for being the left or right page */
840 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
841 x = x + max_width - width;
843 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
845 y = y + (max_height - height)/2;
847 /* Adjust for extra allocation */
848 x = x + MAX (0, widget->allocation.width -
849 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
850 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
855 /* Adjust for extra allocation */
856 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
857 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
868 view_point_to_doc_point (EvView *view,
869 GdkPoint *view_point,
870 GdkRectangle *page_area,
874 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
875 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
879 view_rect_to_doc_rect (EvView *view,
880 GdkRectangle *view_rect,
881 GdkRectangle *page_area,
882 EvRectangle *doc_rect)
884 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
885 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
886 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
887 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
891 doc_point_to_view_point (EvView *view,
894 GdkPoint *view_point)
896 GdkRectangle page_area;
898 double x, y, view_x, view_y;
901 ev_page_cache_get_size (view->page_cache, page,
906 if (view->rotation == 0) {
909 } else if (view->rotation == 90) {
910 x = width - doc_point->y;
912 } else if (view->rotation == 180) {
913 x = width - doc_point->x;
914 y = height - doc_point->y;
915 } else if (view->rotation == 270) {
917 y = height - doc_point->x;
919 g_assert_not_reached ();
922 get_page_extents (view, page, &page_area, &border);
924 view_x = x * view->scale;
925 view_y = y * view->scale;
926 view_point->x = view_x + page_area.x;
927 view_point->y = view_y + page_area.y;
929 return (view_x > 0 && view_x <= page_area.width &&
930 view_y > 0 && view_y <= page_area.height);
934 doc_rect_to_view_rect (EvView *view,
936 EvRectangle *doc_rect,
937 GdkRectangle *view_rect)
939 GdkRectangle page_area;
944 ev_page_cache_get_size (view->page_cache, page,
949 if (view->rotation == 0) {
952 w = doc_rect->x2 - doc_rect->x1;
953 h = doc_rect->y2 - doc_rect->y1;
954 } else if (view->rotation == 90) {
955 x = width - doc_rect->y2;
957 w = doc_rect->y2 - doc_rect->y1;
958 h = doc_rect->x2 - doc_rect->x1;
959 } else if (view->rotation == 180) {
960 x = width - doc_rect->x2;
961 y = height - doc_rect->y2;
962 w = doc_rect->x2 - doc_rect->x1;
963 h = doc_rect->y2 - doc_rect->y1;
964 } else if (view->rotation == 270) {
966 y = height - doc_rect->x2;
967 w = doc_rect->y2 - doc_rect->y1;
968 h = doc_rect->x2 - doc_rect->x1;
970 g_assert_not_reached ();
973 get_page_extents (view, page, &page_area, &border);
975 view_rect->x = x * view->scale + page_area.x;
976 view_rect->y = y * view->scale + page_area.y;
977 view_rect->width = w * view->scale;
978 view_rect->height = h * view->scale;
982 find_page_at_location (EvView *view,
991 if (view->document == NULL)
998 for (i = view->start_page; i <= view->end_page; i++) {
999 GdkRectangle page_area;
1002 if (! get_page_extents (view, i, &page_area, &border))
1005 if ((x >= page_area.x + border.left) &&
1006 (x < page_area.x + page_area.width - border.right) &&
1007 (y >= page_area.y + border.top) &&
1008 (y < page_area.y + page_area.height - border.bottom)) {
1010 *x_offset = x - (page_area.x + border.left);
1011 *y_offset = y - (page_area.y + border.top);
1020 location_in_text (EvView *view,
1026 gint x_offset = 0, y_offset = 0;
1028 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1033 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
1036 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1042 ev_view_get_width (EvView *view)
1044 return GTK_WIDGET (view)->allocation.width;
1048 ev_view_get_height (EvView *view)
1050 return GTK_WIDGET (view)->allocation.height;
1054 location_in_selected_text (EvView *view,
1059 gint x_offset = 0, y_offset = 0;
1060 EvViewSelection *selection;
1063 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1064 selection = (EvViewSelection *)l->data;
1066 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1068 if (page != selection->page)
1071 if (selection->covered_region &&
1072 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1080 get_doc_point_from_offset (EvView *view,
1090 ev_page_cache_get_size (view->page_cache, page,
1095 x_offset = x_offset / view->scale;
1096 y_offset = y_offset / view->scale;
1098 if (view->rotation == 0) {
1101 } else if (view->rotation == 90) {
1103 y = width - x_offset;
1104 } else if (view->rotation == 180) {
1105 x = width - x_offset;
1106 y = height - y_offset;
1107 } else if (view->rotation == 270) {
1108 x = height - y_offset;
1111 g_assert_not_reached ();
1122 ev_view_get_link_at_location (EvView *view,
1127 gint x_offset = 0, y_offset = 0;
1128 gint x_new = 0, y_new = 0;
1129 GList *link_mapping;
1131 if (!EV_IS_DOCUMENT_LINKS (view->document))
1134 x += view->scroll_x;
1135 y += view->scroll_y;
1137 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1143 if (get_doc_point_from_offset (view, page, x_offset,
1144 y_offset, &x_new, &y_new) == FALSE)
1147 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1150 return ev_link_mapping_find (link_mapping, x_new, y_new);
1156 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1159 gdouble zoom, left, top;
1160 gboolean change_left, change_top;
1162 left = ev_link_dest_get_left (dest, &change_left);
1163 top = ev_link_dest_get_top (dest, &change_top);
1165 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - left,
1166 ev_link_dest_get_bottom (dest) - top,
1167 ev_view_get_width (view),
1168 ev_view_get_height (view), 0, 0);
1170 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1171 ev_view_set_zoom (view, zoom, FALSE);
1173 doc_point.x = change_left ? left : 0;
1174 doc_point.y = change_top ? top : 0;
1176 view->current_page = ev_link_dest_get_page (dest);
1177 if (change_left || change_top)
1178 view->pending_point = doc_point;
1179 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1181 gtk_widget_queue_resize (GTK_WIDGET (view));
1185 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1188 int doc_width, doc_height, page;
1190 gboolean change_left;
1192 page = ev_link_dest_get_page (dest);
1193 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1195 left = ev_link_dest_get_left (dest, &change_left);
1196 doc_point.x = change_left ? left : 0;
1199 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1200 ev_view_get_width (view),
1201 ev_view_get_height (view), 0);
1203 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1204 ev_view_set_zoom (view, zoom, FALSE);
1206 view->current_page = page;
1208 view->pending_point = doc_point;
1209 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1211 gtk_widget_queue_resize (GTK_WIDGET (view));
1215 goto_fith_dest (EvView *view, EvLinkDest *dest)
1218 int doc_width, doc_height, page;
1220 gboolean change_top;
1222 page = ev_link_dest_get_page (dest);
1223 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1225 top = ev_link_dest_get_top (dest, &change_top);
1228 doc_point.y = change_top ? top : 0;
1230 zoom = zoom_for_size_fit_width (doc_width, top,
1231 ev_view_get_width (view),
1232 ev_view_get_height (view), 0);
1234 ev_view_set_sizing_mode (view, EV_SIZING_FIT_WIDTH);
1235 ev_view_set_zoom (view, zoom, FALSE);
1237 view->current_page = page;
1239 view->pending_point = doc_point;
1240 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1242 gtk_widget_queue_resize (GTK_WIDGET (view));
1246 goto_fit_dest (EvView *view, EvLinkDest *dest)
1249 int doc_width, doc_height;
1252 page = ev_link_dest_get_page (dest);
1253 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1255 zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view),
1256 ev_view_get_height (view), 0, 0);
1258 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
1259 ev_view_set_zoom (view, zoom, FALSE);
1261 view->current_page = page;
1262 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1264 gtk_widget_queue_resize (GTK_WIDGET (view));
1268 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1272 gdouble zoom, left, top;
1273 gboolean change_zoom, change_left, change_top;
1275 zoom = ev_link_dest_get_zoom (dest, &change_zoom);
1276 page = ev_link_dest_get_page (dest);
1278 if (change_zoom && zoom > 1) {
1279 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1280 ev_view_set_zoom (view, zoom, FALSE);
1283 left = ev_link_dest_get_left (dest, &change_left);
1284 top = ev_link_dest_get_top (dest, &change_top);
1286 doc_point.x = change_left ? left : 0;
1287 doc_point.y = change_top ? top : 0;
1289 view->current_page = page;
1290 if (change_left || change_top)
1291 view->pending_point = doc_point;
1292 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1294 gtk_widget_queue_resize (GTK_WIDGET (view));
1298 goto_dest (EvView *view, EvLinkDest *dest)
1300 EvLinkDestType type;
1301 int page, n_pages, current_page;
1303 page = ev_link_dest_get_page (dest);
1304 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1306 if (page < 0 || page >= n_pages)
1309 current_page = view->current_page;
1311 type = ev_link_dest_get_dest_type (dest);
1314 case EV_LINK_DEST_TYPE_PAGE:
1315 ev_page_cache_set_current_page (view->page_cache, page);
1317 case EV_LINK_DEST_TYPE_FIT:
1318 goto_fit_dest (view, dest);
1320 case EV_LINK_DEST_TYPE_FITH:
1321 goto_fith_dest (view, dest);
1323 case EV_LINK_DEST_TYPE_FITV:
1324 goto_fitv_dest (view, dest);
1326 case EV_LINK_DEST_TYPE_FITR:
1327 goto_fitr_dest (view, dest);
1329 case EV_LINK_DEST_TYPE_XYZ:
1330 goto_xyz_dest (view, dest);
1332 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1333 ev_page_cache_set_page_label (view->page_cache, ev_link_dest_get_page_label (dest));
1336 g_assert_not_reached ();
1339 if (current_page != view->current_page)
1340 ev_page_cache_set_current_page (view->page_cache,
1341 view->current_page);
1345 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1347 EvLinkDestType type;
1349 type = ev_link_dest_get_dest_type (dest);
1351 if (type == EV_LINK_DEST_TYPE_NAMED) {
1353 const gchar *named_dest;
1355 named_dest = ev_link_dest_get_named_dest (dest);
1356 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1359 goto_dest (view, dest2);
1360 g_object_unref (dest2);
1366 goto_dest (view, dest);
1370 ev_view_handle_link (EvView *view, EvLink *link)
1372 EvLinkAction *action = NULL;
1373 EvLinkActionType type;
1375 action = ev_link_get_action (link);
1379 type = ev_link_action_get_action_type (action);
1382 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1385 g_signal_emit (view, signals[SIGNAL_HANDLE_LINK], 0, link);
1387 dest = ev_link_action_get_dest (action);
1388 ev_view_goto_dest (view, dest);
1391 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1392 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1393 case EV_LINK_ACTION_TYPE_LAUNCH:
1394 case EV_LINK_ACTION_TYPE_NAMED:
1395 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1401 ev_view_page_label_from_dest (EvView *view, EvLinkDest *dest)
1403 EvLinkDestType type;
1406 type = ev_link_dest_get_dest_type (dest);
1409 case EV_LINK_DEST_TYPE_NAMED: {
1411 const gchar *named_dest;
1413 named_dest = ev_link_dest_get_named_dest (dest);
1414 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1417 msg = ev_page_cache_get_page_label (view->page_cache,
1418 ev_link_dest_get_page (dest2));
1419 g_object_unref (dest2);
1424 case EV_LINK_DEST_TYPE_PAGE_LABEL: {
1425 msg = g_strdup (ev_link_dest_get_page_label (dest));
1429 msg = ev_page_cache_get_page_label (view->page_cache,
1430 ev_link_dest_get_page (dest));
1437 tip_from_action_named (EvLinkAction *action)
1439 const gchar *name = ev_link_action_get_name (action);
1441 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1442 return g_strdup (_("Go to first page"));
1443 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1444 return g_strdup (_("Go to previous page"));
1445 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1446 return g_strdup (_("Go to next page"));
1447 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1448 return g_strdup (_("Go to last page"));
1449 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1450 return g_strdup (_("Go to page"));
1451 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1452 return g_strdup (_("Find"));
1459 tip_from_link (EvView *view, EvLink *link)
1461 EvLinkAction *action;
1462 EvLinkActionType type;
1467 action = ev_link_get_action (link);
1468 title = ev_link_get_title (link);
1471 return title ? g_strdup (title) : NULL;
1473 type = ev_link_action_get_action_type (action);
1476 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1477 page_label = ev_view_page_label_from_dest (view,
1478 ev_link_action_get_dest (action));
1480 msg = g_strdup_printf (_("Go to page %s"), page_label);
1481 g_free (page_label);
1484 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1486 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1487 ev_link_action_get_filename (action));
1489 msg = g_strdup_printf (_("Go to file “%s”"),
1490 ev_link_action_get_filename (action));
1493 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1494 msg = g_strdup (ev_link_action_get_uri (action));
1496 case EV_LINK_ACTION_TYPE_LAUNCH:
1497 msg = g_strdup_printf (_("Launch %s"),
1498 ev_link_action_get_filename (action));
1500 case EV_LINK_ACTION_TYPE_NAMED:
1501 msg = tip_from_action_named (action);
1505 msg = g_strdup (title);
1513 ev_view_handle_cursor_over_xy (EvView *view, gint x, gint y)
1518 if (view->cursor == EV_VIEW_CURSOR_HIDDEN)
1521 if (view->drag_info.in_drag) {
1522 if (view->cursor != EV_VIEW_CURSOR_DRAG)
1523 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1527 if (view->scroll_info.autoscrolling) {
1528 if (view->cursor != EV_VIEW_CURSOR_AUTOSCROLL)
1529 ev_view_set_cursor (view, EV_VIEW_CURSOR_AUTOSCROLL);
1533 link = ev_view_get_link_at_location (view, x, y);
1535 #if !GTK_CHECK_VERSION (2, 11, 7)
1536 if (view->link_tooltip == NULL) {
1537 view->link_tooltip = ev_tooltip_new (GTK_WIDGET (view));
1540 if (view->hovered_link != link) {
1541 view->hovered_link = link;
1542 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
1547 #if GTK_CHECK_VERSION (2, 11, 7)
1548 g_object_set (view, "has-tooltip", TRUE, NULL);
1550 char *msg = tip_from_link (view, link);
1552 if (msg && g_utf8_validate (msg, -1, NULL)) {
1553 EvTooltip *tooltip = EV_TOOLTIP (view->link_tooltip);
1555 ev_tooltip_set_position (tooltip, x, y);
1556 ev_tooltip_set_text (tooltip, msg);
1557 ev_tooltip_activate (tooltip);
1561 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1562 } else if ((field = ev_view_get_form_field_at_location (view, x, y))) {
1563 if (field->is_read_only) {
1564 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1565 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1566 view->cursor == EV_VIEW_CURSOR_DRAG)
1567 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1568 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
1569 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1571 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1573 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1574 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1576 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1577 view->cursor == EV_VIEW_CURSOR_IBEAM ||
1578 view->cursor == EV_VIEW_CURSOR_DRAG)
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,
1661 ev_form_field_mapping_get_area (forms_mapping, field, &field_area);
1662 doc_rect_to_view_rect (view, field->page, &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,
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 (GPOINTER_TO_INT (field_choice->selected_items->data) != item) {
1910 g_list_free (field_choice->selected_items);
1911 field_choice->selected_items = NULL;
1912 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1913 GINT_TO_POINTER (item));
1914 field->changed = TRUE;
1917 if (GTK_IS_COMBO_BOX_ENTRY (widget)) {
1920 text = gtk_combo_box_get_active_text (GTK_COMBO_BOX (widget));
1921 if (!field_choice->text ||
1922 (field_choice->text && g_ascii_strcasecmp (field_choice->text, text) != 0)) {
1923 g_free (field_choice->text);
1924 field_choice->text = text;
1925 field->changed = TRUE;
1928 } else if (GTK_IS_TREE_SELECTION (widget)) {
1929 GtkTreeSelection *selection = GTK_TREE_SELECTION (widget);
1930 GtkTreeModel *model;
1933 items = gtk_tree_selection_get_selected_rows (selection, &model);
1934 g_list_free (field_choice->selected_items);
1935 field_choice->selected_items = NULL;
1937 for (l = items; l && l->data; l = g_list_next (l)) {
1939 GtkTreePath *path = (GtkTreePath *)l->data;
1942 gtk_tree_model_get_iter (model, &iter, path);
1943 gtk_tree_model_get (model, &iter, 1, &item, -1);
1945 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1946 GINT_TO_POINTER (item));
1948 gtk_tree_path_free (path);
1951 g_list_free (items);
1953 field->changed = TRUE;
1958 ev_view_form_field_choice_create_widget (EvView *view,
1961 EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
1963 GtkTreeModel *model;
1965 gint selected_item = 0;
1967 n_items = ev_document_forms_form_field_choice_get_n_items (EV_DOCUMENT_FORMS (view->document),
1969 model = GTK_TREE_MODEL (gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT));
1970 for (i = 0; i < n_items; i++) {
1974 item = ev_document_forms_form_field_choice_get_item (EV_DOCUMENT_FORMS (view->document),
1976 if (ev_document_forms_form_field_choice_is_item_selected (
1977 EV_DOCUMENT_FORMS (view->document), field, i)) {
1979 /* FIXME: we need a get_selected_items function in poppler */
1980 field_choice->selected_items = g_list_prepend (field_choice->selected_items,
1981 GINT_TO_POINTER (i));
1985 gtk_list_store_append (GTK_LIST_STORE (model), &iter);
1986 gtk_list_store_set (GTK_LIST_STORE (model), &iter,
1994 if (field_choice->type == EV_FORM_FIELD_CHOICE_LIST) {
1995 GtkCellRenderer *renderer;
1996 GtkWidget *tree_view;
1997 GtkTreeSelection *selection;
1999 tree_view = gtk_tree_view_new_with_model (model);
2000 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);
2002 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
2003 if (field_choice->multi_select) {
2004 gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
2007 /* TODO: set selected items */
2009 renderer = gtk_cell_renderer_text_new ();
2010 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
2016 choice = gtk_scrolled_window_new (NULL, NULL);
2017 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (choice),
2018 GTK_POLICY_AUTOMATIC,
2019 GTK_POLICY_AUTOMATIC);
2020 gtk_container_add (GTK_CONTAINER (choice), tree_view);
2021 gtk_widget_show (tree_view);
2023 g_signal_connect (G_OBJECT (selection), "changed",
2024 G_CALLBACK (ev_view_form_field_choice_changed),
2026 g_signal_connect_after (G_OBJECT (selection), "changed",
2027 G_CALLBACK (ev_view_form_field_destroy),
2029 } else if (field_choice->is_editable) { /* ComboBoxEntry */
2032 choice = gtk_combo_box_entry_new_with_model (model, 0);
2033 text = ev_document_forms_form_field_choice_get_text (EV_DOCUMENT_FORMS (view->document), field);
2035 gtk_entry_set_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (choice))), text);
2039 g_signal_connect (G_OBJECT (choice), "changed",
2040 G_CALLBACK (ev_view_form_field_choice_changed),
2042 g_signal_connect_after (G_OBJECT (GTK_BIN (choice)->child), "activate",
2043 G_CALLBACK (ev_view_form_field_destroy),
2045 } else { /* ComboBoxText */
2046 GtkCellRenderer *renderer;
2048 choice = gtk_combo_box_new_with_model (model);
2049 renderer = gtk_cell_renderer_text_new ();
2050 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (choice),
2052 gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (choice),
2056 gtk_combo_box_set_active (GTK_COMBO_BOX (choice), selected_item);
2057 gtk_combo_box_popup (GTK_COMBO_BOX (choice));
2059 g_signal_connect (G_OBJECT (choice), "changed",
2060 G_CALLBACK (ev_view_form_field_choice_changed),
2062 g_signal_connect_after (G_OBJECT (choice), "changed",
2063 G_CALLBACK (ev_view_form_field_destroy),
2067 g_object_unref (model);
2069 g_object_weak_ref (G_OBJECT (choice),
2070 (GWeakNotify)ev_view_form_field_choice_save,
2077 ev_view_handle_form_field (EvView *view,
2082 GtkWidget *field_widget = NULL;
2083 GList *form_field_mapping;
2084 EvRectangle field_area;
2085 GdkRectangle view_area;
2087 if (field->is_read_only)
2090 if (EV_IS_FORM_FIELD_BUTTON (field)) {
2091 field_widget = ev_view_form_field_button_create_widget (view, field);
2092 } else if (EV_IS_FORM_FIELD_TEXT (field)) {
2093 field_widget = ev_view_form_field_text_create_widget (view, field);
2094 } else if (EV_IS_FORM_FIELD_CHOICE (field)) {
2095 field_widget = ev_view_form_field_choice_create_widget (view, field);
2096 } else if (EV_IS_FORM_FIELD_SIGNATURE (field)) {
2100 /* Form field doesn't require a widget */
2104 g_object_set_data_full (G_OBJECT (field_widget), "form-field",
2105 g_object_ref (field),
2106 (GDestroyNotify)g_object_unref);
2108 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, field->page);
2109 ev_form_field_mapping_get_area (form_field_mapping, field, &field_area);
2111 doc_rect_to_view_rect (view, field->page, &field_area, &view_area);
2112 view_area.x -= view->scroll_x;
2113 view_area.y -= view->scroll_y;
2115 gtk_layout_put (GTK_LAYOUT (view), field_widget, view_area.x, view_area.y);
2116 gtk_widget_show (field_widget);
2117 gtk_widget_grab_focus (field_widget);
2120 /*** GtkWidget implementation ***/
2123 ev_view_size_request_continuous_dual_page (EvView *view,
2124 GtkRequisition *requisition)
2130 ev_page_cache_get_max_width (view->page_cache, view->rotation,
2131 view->scale, &max_width);
2132 compute_border (view, max_width, max_width, &border);
2134 n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1;
2136 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
2137 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
2139 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2140 requisition->width = 1;
2141 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2142 requisition->width = 1;
2143 /* FIXME: This could actually be set on one page docs or docs
2144 * with a strange aspect ratio. */
2145 /* requisition->height = 1;*/
2150 ev_view_size_request_continuous (EvView *view,
2151 GtkRequisition *requisition)
2158 ev_page_cache_get_max_width (view->page_cache, view->rotation,
2159 view->scale, &max_width);
2160 n_pages = ev_page_cache_get_n_pages (view->page_cache);
2161 compute_border (view, max_width, max_width, &border);
2163 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
2164 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
2166 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2167 requisition->width = 1;
2168 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2169 requisition->width = 1;
2170 /* FIXME: This could actually be set on one page docs or docs
2171 * with a strange aspect ratio. */
2172 /* requisition->height = 1;*/
2177 ev_view_size_request_dual_page (EvView *view,
2178 GtkRequisition *requisition)
2183 /* Find the largest of the two. */
2184 ev_page_cache_get_size (view->page_cache,
2189 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) {
2190 gint width_2, height_2;
2191 ev_page_cache_get_size (view->page_cache,
2192 view->current_page + 1,
2195 &width_2, &height_2);
2196 if (width_2 > width) {
2201 compute_border (view, width, height, &border);
2203 requisition->width = ((width + border.left + border.right) * 2) +
2204 (view->spacing * 3);
2205 requisition->height = (height + border.top + border.bottom) +
2206 (view->spacing * 2);
2208 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2209 requisition->width = 1;
2210 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2211 requisition->width = 1;
2212 requisition->height = 1;
2217 ev_view_size_request_single_page (EvView *view,
2218 GtkRequisition *requisition)
2223 ev_page_cache_get_size (view->page_cache,
2228 compute_border (view, width, height, &border);
2230 requisition->width = width + border.left + border.right + (2 * view->spacing);
2231 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2233 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
2234 requisition->width = 1;
2235 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
2236 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
2237 requisition->width = 1;
2238 requisition->height = 1;
2243 ev_view_size_request (GtkWidget *widget,
2244 GtkRequisition *requisition)
2246 EvView *view = EV_VIEW (widget);
2248 if (view->document == NULL) {
2249 requisition->width = 1;
2250 requisition->height = 1;
2254 if (view->presentation) {
2255 requisition->width = 1;
2256 requisition->height = 1;
2260 if (view->continuous && view->dual_page)
2261 ev_view_size_request_continuous_dual_page (view, requisition);
2262 else if (view->continuous)
2263 ev_view_size_request_continuous (view, requisition);
2264 else if (view->dual_page)
2265 ev_view_size_request_dual_page (view, requisition);
2267 ev_view_size_request_single_page (view, requisition);
2271 ev_view_size_allocate (GtkWidget *widget,
2272 GtkAllocation *allocation)
2274 EvView *view = EV_VIEW (widget);
2275 GList *children, *l;
2277 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
2279 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2280 view->sizing_mode == EV_SIZING_BEST_FIT) {
2282 g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0);
2284 ev_view_size_request (widget, &widget->requisition);
2287 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
2288 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
2291 view_update_range_and_current_page (view);
2293 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2294 view->pending_resize = FALSE;
2296 children = gtk_container_get_children (GTK_CONTAINER (widget));
2297 for (l = children; l && l->data; l = g_list_next (l)) {
2299 EvRectangle field_area;
2300 GdkRectangle view_area;
2301 GList *form_field_mapping;
2302 GtkAllocation child_allocation;
2303 GtkRequisition child_requisition;
2304 GtkWidget *child = (GtkWidget *)l->data;
2306 field = g_object_get_data (G_OBJECT (child), "form-field");
2310 form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache,
2312 ev_form_field_mapping_get_area (form_field_mapping, field, &field_area);
2314 doc_rect_to_view_rect (view, field->page, &field_area, &view_area);
2315 view_area.x -= view->scroll_x;
2316 view_area.y -= view->scroll_y;
2318 gtk_widget_size_request (child, &child_requisition);
2319 if (child_requisition.width != view_area.width ||
2320 child_requisition.height != view_area.height)
2321 gtk_widget_set_size_request (child, view_area.width, view_area.height);
2323 gtk_container_child_get (GTK_CONTAINER (widget),
2325 "x", &child_allocation.x,
2326 "y", &child_allocation.y,
2328 if (child_allocation.x != view_area.x ||
2329 child_allocation.y != view_area.y) {
2330 gtk_layout_move (GTK_LAYOUT (widget), child, view_area.x, view_area.y);
2333 g_list_free (children);
2337 ev_view_realize (GtkWidget *widget)
2339 EvView *view = EV_VIEW (widget);
2341 if (GTK_WIDGET_CLASS (ev_view_parent_class)->realize)
2342 (* GTK_WIDGET_CLASS (ev_view_parent_class)->realize) (widget);
2344 gdk_window_set_events (view->layout.bin_window,
2345 (gdk_window_get_events (view->layout.bin_window) |
2347 GDK_BUTTON_PRESS_MASK |
2348 GDK_BUTTON_RELEASE_MASK |
2350 GDK_KEY_PRESS_MASK |
2351 GDK_POINTER_MOTION_MASK |
2352 GDK_POINTER_MOTION_HINT_MASK |
2353 GDK_ENTER_NOTIFY_MASK |
2354 GDK_LEAVE_NOTIFY_MASK));
2356 if (view->presentation)
2357 gdk_window_set_background (view->layout.bin_window, &widget->style->black);
2359 gdk_window_set_background (view->layout.bin_window, &widget->style->mid [GTK_STATE_NORMAL]);
2363 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
2365 EvView *view = EV_VIEW (widget);
2368 state = event->state & gtk_accelerator_get_default_mod_mask ();
2370 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
2371 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
2373 if (event->direction == GDK_SCROLL_UP ||
2374 event->direction == GDK_SCROLL_LEFT) {
2375 if (ev_view_can_zoom_in (view)) {
2376 ev_view_zoom_in (view);
2379 if (ev_view_can_zoom_out (view)) {
2380 ev_view_zoom_out (view);
2387 view->jump_to_find_result = FALSE;
2389 /* Shift+Wheel scrolls the in the perpendicular direction */
2390 if (state & GDK_SHIFT_MASK) {
2391 if (event->direction == GDK_SCROLL_UP)
2392 event->direction = GDK_SCROLL_LEFT;
2393 else if (event->direction == GDK_SCROLL_LEFT)
2394 event->direction = GDK_SCROLL_UP;
2395 else if (event->direction == GDK_SCROLL_DOWN)
2396 event->direction = GDK_SCROLL_RIGHT;
2397 else if (event->direction == GDK_SCROLL_RIGHT)
2398 event->direction = GDK_SCROLL_DOWN;
2400 event->state &= ~GDK_SHIFT_MASK;
2401 state &= ~GDK_SHIFT_MASK;
2404 if (state == 0 && view->presentation) {
2405 switch (event->direction) {
2406 case GDK_SCROLL_DOWN:
2407 case GDK_SCROLL_RIGHT:
2408 ev_view_next_page (view);
2411 case GDK_SCROLL_LEFT:
2412 ev_view_previous_page (view);
2422 static EvViewSelection *
2423 find_selection_for_page (EvView *view,
2428 for (list = view->selection_info.selections; list != NULL; list = list->next) {
2429 EvViewSelection *selection;
2431 selection = (EvViewSelection *) list->data;
2433 if (selection->page == page)
2441 draw_end_presentation_page (EvView *view,
2442 GdkRectangle *page_area)
2444 PangoLayout *layout;
2445 PangoFontDescription *font_desc;
2447 const gchar *text = _("End of presentation. Press Escape to exit.");
2449 if (view->presentation_state != EV_PRESENTATION_END)
2452 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), NULL);
2453 markup = g_strdup_printf ("<span foreground=\"white\">%s</span>", text);
2454 pango_layout_set_markup (layout, markup, -1);
2457 font_desc = pango_font_description_new ();
2458 pango_font_description_set_size (font_desc, 16 * PANGO_SCALE);
2459 pango_layout_set_font_description (layout, font_desc);
2461 gtk_paint_layout (GTK_WIDGET (view)->style,
2462 view->layout.bin_window,
2463 GTK_WIDGET_STATE (view),
2472 pango_font_description_free (font_desc);
2473 g_object_unref (layout);
2477 ev_view_expose_event (GtkWidget *widget,
2478 GdkEventExpose *event)
2480 EvView *view = EV_VIEW (widget);
2484 if (view->animation) {
2485 GdkRectangle page_area;
2488 if (get_page_extents (view, view->current_page, &page_area, &border)) {
2489 cr = gdk_cairo_create (view->layout.bin_window);
2491 /* normalize to x=0, y=0 */
2492 cairo_translate (cr, page_area.x, page_area.y);
2493 page_area.x = page_area.y = 0;
2495 ev_transition_animation_paint (view->animation, cr, page_area);
2502 if (view->presentation) {
2503 switch (view->presentation_state) {
2504 case EV_PRESENTATION_END: {
2505 GdkRectangle area = {0};
2507 area.width = widget->allocation.width;
2508 area.height = widget->allocation.height;
2510 draw_end_presentation_page (view, &area);
2513 case EV_PRESENTATION_BLACK:
2514 case EV_PRESENTATION_WHITE:
2516 case EV_PRESENTATION_NORMAL:
2520 } else if (view->loading) {
2521 GdkRectangle area = {0};
2523 area.width = widget->allocation.width;
2524 area.height = widget->allocation.height;
2526 draw_loading_text (view,
2531 if (view->document == NULL)
2534 cr = gdk_cairo_create (view->layout.bin_window);
2536 for (i = view->start_page; i <= view->end_page; i++) {
2537 GdkRectangle page_area;
2539 gboolean page_ready = TRUE;
2541 if (!get_page_extents (view, i, &page_area, &border))
2544 page_area.x -= view->scroll_x;
2545 page_area.y -= view->scroll_y;
2547 draw_one_page (view, i, cr, &page_area, &border, &(event->area), &page_ready);
2549 if (page_ready && EV_IS_DOCUMENT_FIND (view->document) && view->highlight_find_results)
2550 highlight_find_results (view, i);
2555 if (GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event)
2556 (* GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) (widget, event);
2562 ev_view_do_popup_menu (EvView *view,
2569 image = ev_view_get_image_at_location (view, x, y);
2571 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, image);
2575 link = ev_view_get_link_at_location (view, x, y);
2577 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
2581 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, NULL);
2587 ev_view_popup_menu (GtkWidget *widget)
2591 gtk_widget_get_pointer (widget, &x, &y);
2592 return ev_view_do_popup_menu (EV_VIEW (widget), x, y);
2595 #if GTK_CHECK_VERSION (2, 11, 7)
2597 get_link_area (EvView *view,
2603 EvRectangle ev_rect;
2604 GList *link_mapping;
2606 gint x_offset = 0, y_offset = 0;
2608 x += view->scroll_x;
2609 y += view->scroll_y;
2611 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
2613 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
2614 ev_link_mapping_get_area (link_mapping, link, &ev_rect);
2616 doc_rect_to_view_rect (view, page, &ev_rect, area);
2617 area->y -= view->scroll_y ;
2621 ev_view_query_tooltip (GtkWidget *widget,
2624 gboolean keyboard_tip,
2625 GtkTooltip *tooltip)
2627 EvView *view = EV_VIEW (widget);
2631 link = ev_view_get_link_at_location (view, x, y);
2635 text = tip_from_link (view, link);
2636 if (text && g_utf8_validate (text, -1, NULL)) {
2637 GdkRectangle link_area;
2639 get_link_area (view, x, y, link, &link_area);
2640 gtk_tooltip_set_text (tooltip, text);
2641 gtk_tooltip_set_tip_area (tooltip, &link_area);
2647 #endif /* GTK_CHECK_VERSION (2, 11, 7) */
2650 start_selection_for_event (EvView *view,
2651 GdkEventButton *event)
2653 EvSelectionStyle style;
2655 clear_selection (view);
2657 view->selection_info.start.x = event->x + view->scroll_x;
2658 view->selection_info.start.y = event->y + view->scroll_y;
2660 switch (event->type) {
2661 case GDK_2BUTTON_PRESS:
2662 style = EV_SELECTION_STYLE_WORD;
2664 case GDK_3BUTTON_PRESS:
2665 style = EV_SELECTION_STYLE_LINE;
2668 style = EV_SELECTION_STYLE_GLYPH;
2672 view->selection_info.style = style;
2676 ev_view_button_press_event (GtkWidget *widget,
2677 GdkEventButton *event)
2679 EvView *view = EV_VIEW (widget);
2681 if (!view->document)
2684 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
2685 gtk_widget_grab_focus (widget);
2688 view->pressed_button = event->button;
2689 view->selection_info.in_drag = FALSE;
2691 switch (event->button) {
2694 if (view->scroll_info.autoscrolling == TRUE) {
2695 view->scroll_info.autoscrolling = FALSE;
2702 if (EV_IS_SELECTION (view->document) && view->selection_info.selections) {
2703 if (event->type == GDK_3BUTTON_PRESS) {
2704 start_selection_for_event (view, event);
2705 } else if (location_in_selected_text (view,
2706 event->x + view->scroll_x,
2707 event->y + view->scroll_y)) {
2708 view->selection_info.in_drag = TRUE;
2710 start_selection_for_event (view, event);
2713 gtk_widget_queue_draw (widget);
2714 } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) {
2715 ev_view_remove_all (view);
2716 ev_view_handle_form_field (view, field, event->x, event->y);
2717 } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) &&
2718 (image = ev_view_get_image_at_location (view, event->x, event->y))) {
2719 if (view->image_dnd_info.image)
2720 g_object_unref (view->image_dnd_info.image);
2721 view->image_dnd_info.image = g_object_ref (image);
2722 view->image_dnd_info.in_drag = TRUE;
2724 view->image_dnd_info.start.x = event->x + view->scroll_x;
2725 view->image_dnd_info.start.y = event->y + view->scroll_y;
2727 ev_view_remove_all (view);
2729 if (EV_IS_SELECTION (view->document))
2730 start_selection_for_event (view, event);
2735 /* use root coordinates as reference point because
2736 * scrolling changes window relative coordinates */
2737 if (view->scroll_info.autoscrolling == TRUE) {
2738 view->scroll_info.autoscrolling = FALSE;
2741 view->drag_info.start.x = event->x_root;
2742 view->drag_info.start.y = event->y_root;
2743 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
2744 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
2746 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
2750 if (!view->scroll_info.autoscrolling)
2751 view->scroll_info.start_y = event->y;
2752 return ev_view_do_popup_menu (view, event->x, event->y);
2759 ev_view_remove_all (EvView *view)
2761 GList *children, *child;
2763 children = gtk_container_get_children (GTK_CONTAINER (view));
2764 for (child = children; child && child->data; child = g_list_next (child)) {
2765 gtk_container_remove (GTK_CONTAINER (view),
2766 GTK_WIDGET (child->data));
2768 g_list_free (children);
2771 /*** Drag and Drop ***/
2773 ev_view_drag_data_get (GtkWidget *widget,
2774 GdkDragContext *context,
2775 GtkSelectionData *selection_data,
2779 EvView *view = EV_VIEW (widget);
2782 case TARGET_DND_TEXT:
2783 if (EV_IS_SELECTION (view->document) &&
2784 view->selection_info.selections) {
2787 text = get_selected_text (view);
2788 gtk_selection_data_set_text (selection_data,
2794 case TARGET_DND_IMAGE:
2795 if (view->image_dnd_info.image) {
2798 pixbuf = ev_image_get_pixbuf (view->image_dnd_info.image);
2799 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
2802 case TARGET_DND_URI:
2803 if (view->image_dnd_info.image) {
2804 const gchar *tmp_uri;
2807 tmp_uri = ev_image_save_tmp (view->image_dnd_info.image);
2809 uris = g_new0 (gchar *, 2);
2810 uris[0] = (gchar *)tmp_uri;
2812 gtk_selection_data_set_uris (selection_data, uris);
2814 /* g_free instead of g_strfreev since tmp_uri is const */
2821 ev_view_drag_motion (GtkWidget *widget,
2822 GdkDragContext *context,
2827 if (gtk_drag_get_source_widget (context) == widget)
2828 gdk_drag_status (context, 0, time);
2830 gdk_drag_status (context, context->suggested_action, time);
2836 ev_view_drag_data_received (GtkWidget *widget,
2837 GdkDragContext *context,
2840 GtkSelectionData *selection_data,
2846 GSList *uri_list = NULL;
2848 uris = gtk_selection_data_get_uris (selection_data);
2850 gtk_drag_finish (context, FALSE, FALSE, time);
2854 for (i = 0; uris[i]; i++) {
2855 uri_list = g_slist_prepend (uri_list, (gpointer) uris[i]);
2858 ev_application_open_uri_list (EV_APP, uri_list,
2859 gtk_widget_get_screen (widget),
2861 gtk_drag_finish (context, TRUE, FALSE, time);
2864 g_slist_free (uri_list);
2869 selection_update_idle_cb (EvView *view)
2871 compute_selections (view,
2872 view->selection_info.style,
2873 &view->selection_info.start,
2875 view->selection_update_id = 0;
2880 selection_scroll_timeout_cb (EvView *view)
2882 gint x, y, shift = 0;
2883 GtkWidget *widget = GTK_WIDGET (view);
2885 gtk_widget_get_pointer (widget, &x, &y);
2887 if (y > widget->allocation.height) {
2888 shift = (y - widget->allocation.height) / 2;
2894 gtk_adjustment_set_value (view->vadjustment,
2895 CLAMP (view->vadjustment->value + shift,
2896 view->vadjustment->lower,
2897 view->vadjustment->upper -
2898 view->vadjustment->page_size));
2900 if (x > widget->allocation.width) {
2901 shift = (x - widget->allocation.width) / 2;
2907 gtk_adjustment_set_value (view->hadjustment,
2908 CLAMP (view->hadjustment->value + shift,
2909 view->hadjustment->lower,
2910 view->hadjustment->upper -
2911 view->hadjustment->page_size));
2917 ev_view_drag_update_momentum (EvView *view)
2920 if (!view->drag_info.in_drag)
2923 for (i = DRAG_HISTORY - 1; i > 0; i--) {
2924 view->drag_info.buffer[i].x = view->drag_info.buffer[i-1].x;
2925 view->drag_info.buffer[i].y = view->drag_info.buffer[i-1].y;
2928 /* Momentum is a moving average of 10ms granularity over
2929 * the last 100ms with each 10ms stored in buffer.
2932 view->drag_info.momentum.x = (view->drag_info.buffer[DRAG_HISTORY - 1].x - view->drag_info.buffer[0].x);
2933 view->drag_info.momentum.y = (view->drag_info.buffer[DRAG_HISTORY - 1].y - view->drag_info.buffer[0].y);
2939 ev_view_scroll_drag_release (EvView *view)
2941 gdouble dhadj_value, dvadj_value;
2942 gdouble oldhadjustment, oldvadjustment;
2944 view->drag_info.momentum.x /= 1.2;
2945 view->drag_info.momentum.y /= 1.2; /* Alter these constants to change "friction" */
2947 dhadj_value = view->hadjustment->page_size *
2948 (gdouble)view->drag_info.momentum.x / GTK_WIDGET (view)->allocation.width;
2949 dvadj_value = view->vadjustment->page_size *
2950 (gdouble)view->drag_info.momentum.y / GTK_WIDGET (view)->allocation.height;
2952 oldhadjustment = gtk_adjustment_get_value (view->hadjustment);
2953 oldvadjustment = gtk_adjustment_get_value (view->vadjustment);
2955 if (((oldhadjustment + dhadj_value) > (view->hadjustment->upper - view->hadjustment->page_size)) ||
2956 ((oldhadjustment + dhadj_value) < 0))
2957 view->drag_info.momentum.x *= -0.5; /* 0.5 rather than 1 means the edges absorb some momentum */
2958 if (((oldvadjustment + dvadj_value) > (view->vadjustment->upper - view->vadjustment->page_size)) ||
2959 ((oldvadjustment + dvadj_value) < 0))
2960 view->drag_info.momentum.y *= -0.5;
2962 gtk_adjustment_set_value (view->hadjustment,
2963 MIN (oldhadjustment + dhadj_value,
2964 view->hadjustment->upper - view->hadjustment->page_size));
2965 gtk_adjustment_set_value (view->vadjustment,
2966 MIN (oldvadjustment + dvadj_value,
2967 view->vadjustment->upper - view->vadjustment->page_size));
2969 if (((view->drag_info.momentum.x < 1) && (view->drag_info.momentum.x > -1)) &&
2970 ((view->drag_info.momentum.y < 1) && (view->drag_info.momentum.y > -1)))
2977 ev_view_motion_notify_event (GtkWidget *widget,
2978 GdkEventMotion *event)
2980 EvView *view = EV_VIEW (widget);
2983 if (!view->document)
2987 if (event->is_hint || event->window != view->layout.bin_window) {
2988 gtk_widget_get_pointer (widget, &x, &y);
2994 if (view->scroll_info.autoscrolling) {
2995 view->scroll_info.last_y = y;
2998 if (view->selection_info.in_drag) {
2999 if (gtk_drag_check_threshold (widget,
3000 view->selection_info.start.x,
3001 view->selection_info.start.y,
3003 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3005 gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT);
3007 gtk_drag_begin (widget, target_list,
3009 1, (GdkEvent *)event);
3011 view->selection_info.in_drag = FALSE;
3013 gtk_target_list_unref (target_list);
3017 } else if (view->image_dnd_info.in_drag) {
3018 if (gtk_drag_check_threshold (widget,
3019 view->selection_info.start.x,
3020 view->selection_info.start.y,
3022 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
3024 gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI);
3025 gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE);
3027 gtk_drag_begin (widget, target_list,
3029 1, (GdkEvent *)event);
3031 view->image_dnd_info.in_drag = FALSE;
3033 gtk_target_list_unref (target_list);
3039 /* For the Evince 0.4.x release, we limit selection to un-rotated
3042 if (view->pressed_button == 1 && view->rotation == 0) {
3044 /* Schedule timeout to scroll during selection and additionally
3045 * scroll once to allow arbitrary speed. */
3046 if (!view->selection_scroll_id)
3047 view->selection_scroll_id = g_timeout_add (SCROLL_TIME, (GSourceFunc)selection_scroll_timeout_cb, view);
3049 selection_scroll_timeout_cb (view);
3051 view->selection_info.in_selection = TRUE;
3052 view->motion.x = x + view->scroll_x;
3053 view->motion.y = y + view->scroll_y;
3055 /* Queue an idle to handle the motion. We do this because
3056 * handling any selection events in the motion could be slower
3057 * than new motion events reach us. We always put it in the
3058 * idle to make sure we catch up and don't visibly lag the
3060 if (!view->selection_update_id)
3061 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
3064 } else if (view->pressed_button == 2) {
3065 if (!view->drag_info.in_drag) {
3069 start = gtk_drag_check_threshold (widget,
3070 view->drag_info.start.x,
3071 view->drag_info.start.y,
3074 view->drag_info.in_drag = start;
3075 view->drag_info.drag_timeout_id = g_timeout_add (10,
3076 (GSourceFunc)ev_view_drag_update_momentum, view);
3077 /* Set 100 to choose how long it takes to build up momentum */
3078 /* Clear out previous momentum info: */
3079 for (i = 0; i < DRAG_HISTORY; i++) {
3080 view->drag_info.buffer[i].x = event->x;
3081 view->drag_info.buffer[i].y = event->y;
3083 view->drag_info.momentum.x = 0;
3084 view->drag_info.momentum.y = 0;
3087 if (view->drag_info.in_drag) {
3089 gdouble dhadj_value, dvadj_value;
3091 view->drag_info.buffer[0].x = event->x;
3092 view->drag_info.buffer[0].y = event->y;
3094 dx = event->x_root - view->drag_info.start.x;
3095 dy = event->y_root - view->drag_info.start.y;
3097 dhadj_value = view->hadjustment->page_size *
3098 (gdouble)dx / widget->allocation.width;
3099 dvadj_value = view->vadjustment->page_size *
3100 (gdouble)dy / widget->allocation.height;
3102 /* clamp scrolling to visible area */
3103 gtk_adjustment_set_value (view->hadjustment,
3104 MIN(view->drag_info.hadj - dhadj_value,
3105 view->hadjustment->upper -
3106 view->hadjustment->page_size));
3107 gtk_adjustment_set_value (view->vadjustment,
3108 MIN(view->drag_info.vadj - dvadj_value,
3109 view->vadjustment->upper -
3110 view->vadjustment->page_size));
3114 } else if (view->pressed_button <= 0) {
3115 ev_view_handle_cursor_over_xy (view, x, y);
3123 ev_view_button_release_event (GtkWidget *widget,
3124 GdkEventButton *event)
3126 EvView *view = EV_VIEW (widget);
3127 EvLink *link = NULL;
3129 view->drag_info.in_drag = FALSE;
3130 view->image_dnd_info.in_drag = FALSE;
3132 view->drag_info.release_timeout_id = g_timeout_add (20,
3133 (GSourceFunc)ev_view_scroll_drag_release, view);
3135 if (view->pressed_button == 2) {
3136 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3139 if (view->document && view->pressed_button != 3) {
3140 link = ev_view_get_link_at_location (view, event->x, event->y);
3143 view->pressed_button = -1;
3145 if (view->selection_scroll_id) {
3146 g_source_remove (view->selection_scroll_id);
3147 view->selection_scroll_id = 0;
3149 if (view->selection_update_id) {
3150 g_source_remove (view->selection_update_id);
3151 view->selection_update_id = 0;
3154 if (!view->selection_info.in_selection &&
3155 view->selection_info.style != EV_SELECTION_STYLE_GLYPH) {
3156 compute_selections (view,
3157 view->selection_info.style,
3158 &(view->selection_info.start),
3159 &(view->selection_info.start));
3162 if (view->selection_info.selections) {
3163 ev_view_update_primary_selection (view);
3165 if (view->selection_info.in_drag) {
3166 clear_selection (view);
3167 gtk_widget_queue_draw (widget);
3170 view->selection_info.in_drag = FALSE;
3172 if (event->button == 2) {
3173 EvLinkAction *action;
3174 EvLinkActionType type;
3176 action = ev_link_get_action (link);
3180 type = ev_link_action_get_action_type (action);
3181 if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
3182 g_signal_emit (view,
3183 signals[SIGNAL_EXTERNAL_LINK],
3187 ev_view_handle_link (view, link);
3189 } else if (view->presentation) {
3190 switch (event->button) {
3192 ev_view_next_page (view);
3195 ev_view_previous_page (view);
3204 /* Cut and paste from gtkwindow.c */
3206 send_focus_change (GtkWidget *widget,
3209 GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE);
3211 g_object_ref (widget);
3214 GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
3216 GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
3218 fevent->focus_change.type = GDK_FOCUS_CHANGE;
3219 fevent->focus_change.window = g_object_ref (widget->window);
3220 fevent->focus_change.in = in;
3222 gtk_widget_event (widget, fevent);
3224 g_object_notify (G_OBJECT (widget), "has-focus");
3226 g_object_unref (widget);
3227 gdk_event_free (fevent);
3231 ev_view_goto_window_hide (EvView *view)
3233 /* send focus-in event */
3234 send_focus_change (view->goto_entry, FALSE);
3235 gtk_widget_hide (view->goto_window);
3236 gtk_entry_set_text (GTK_ENTRY (view->goto_entry), "");
3240 ev_view_goto_window_delete_event (GtkWidget *widget,
3244 ev_view_goto_window_hide (view);
3250 key_is_numeric (guint keyval)
3252 return ((keyval >= GDK_0 && keyval <= GDK_9) ||
3253 (keyval >= GDK_KP_0 && keyval <= GDK_KP_9));
3257 ev_view_goto_window_key_press_event (GtkWidget *widget,
3261 switch (event->keyval) {
3265 case GDK_ISO_Left_Tab:
3266 ev_view_goto_window_hide (view);
3275 if (!key_is_numeric (event->keyval))
3283 ev_view_goto_window_button_press_event (GtkWidget *widget,
3284 GdkEventButton *event,
3287 ev_view_goto_window_hide (view);
3293 ev_view_goto_entry_activate (GtkEntry *entry,
3299 text = gtk_entry_get_text (entry);
3300 page = atoi (text) - 1;
3302 ev_view_goto_window_hide (view);
3305 page < ev_page_cache_get_n_pages (view->page_cache))
3306 ev_page_cache_set_current_page (view->page_cache, page);
3310 ev_view_goto_window_create (EvView *view)
3312 GtkWidget *frame, *hbox, *toplevel, *label;
3314 toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view));
3316 if (view->goto_window) {
3317 if (GTK_WINDOW (toplevel)->group)
3318 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
3319 GTK_WINDOW (view->goto_window));
3320 else if (GTK_WINDOW (view->goto_window)->group)
3321 gtk_window_group_remove_window (GTK_WINDOW (view->goto_window)->group,
3322 GTK_WINDOW (view->goto_window));
3326 view->goto_window = gtk_window_new (GTK_WINDOW_POPUP);
3328 if (GTK_WINDOW (toplevel)->group)
3329 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
3330 GTK_WINDOW (view->goto_window));
3332 gtk_window_set_modal (GTK_WINDOW (view->goto_window), TRUE);
3334 g_signal_connect (view->goto_window, "delete_event",
3335 G_CALLBACK (ev_view_goto_window_delete_event),
3337 g_signal_connect (view->goto_window, "key_press_event",
3338 G_CALLBACK (ev_view_goto_window_key_press_event),
3340 g_signal_connect (view->goto_window, "button_press_event",
3341 G_CALLBACK (ev_view_goto_window_button_press_event),
3344 frame = gtk_frame_new (NULL);
3345 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
3346 gtk_container_add (GTK_CONTAINER (view->goto_window), frame);
3347 gtk_widget_show (frame);
3349 hbox = gtk_hbox_new (FALSE, 0);
3350 gtk_container_set_border_width (GTK_CONTAINER (hbox), 3);
3351 gtk_container_add (GTK_CONTAINER (frame), hbox);
3352 gtk_widget_show (hbox);
3354 label = gtk_label_new(_("Jump to page:"));
3355 gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 3);
3356 gtk_widget_show (label);
3357 gtk_widget_realize (label);
3359 view->goto_entry = gtk_entry_new ();
3360 g_signal_connect (view->goto_entry, "activate",
3361 G_CALLBACK (ev_view_goto_entry_activate),
3363 gtk_box_pack_start_defaults (GTK_BOX (hbox), view->goto_entry);
3364 gtk_widget_show (view->goto_entry);
3365 gtk_widget_realize (view->goto_entry);
3369 ev_view_goto_entry_grab_focus (EvView *view)
3371 GtkWidgetClass *entry_parent_class;
3373 entry_parent_class = g_type_class_peek_parent (GTK_ENTRY_GET_CLASS (view->goto_entry));
3374 (entry_parent_class->grab_focus) (view->goto_entry);
3376 send_focus_change (view->goto_entry, TRUE);
3380 ev_view_goto_window_send_key_event (EvView *view,
3383 GdkEventKey *new_event;
3386 /* Move goto window off screen */
3387 screen = gtk_widget_get_screen (GTK_WIDGET (view));
3388 gtk_window_move (GTK_WINDOW (view->goto_window),
3389 gdk_screen_get_width (screen) + 1,
3390 gdk_screen_get_height (screen) + 1);
3391 gtk_widget_show (view->goto_window);
3393 new_event = (GdkEventKey *) gdk_event_copy (event);
3394 g_object_unref (new_event->window);
3395 new_event->window = g_object_ref (view->goto_window->window);
3396 gtk_widget_realize (view->goto_window);
3398 gtk_widget_event (view->goto_window, (GdkEvent *)new_event);
3399 gdk_event_free ((GdkEvent *)new_event);
3400 gtk_widget_hide (view->goto_window);
3404 ev_view_key_press_event (GtkWidget *widget,
3407 EvView *view = EV_VIEW (widget);
3408 EvPresentationState current;
3410 if (!view->document)
3413 if (!view->presentation ||
3414 view->presentation_state == EV_PRESENTATION_END)
3415 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3418 current = view->presentation_state;
3420 switch (event->keyval) {
3423 view->presentation_state =
3424 (view->presentation_state == EV_PRESENTATION_BLACK) ?
3425 EV_PRESENTATION_NORMAL : EV_PRESENTATION_BLACK;
3429 view->presentation_state =
3430 (view->presentation_state == EV_PRESENTATION_WHITE) ?
3431 EV_PRESENTATION_NORMAL : EV_PRESENTATION_WHITE;
3434 if (view->presentation_state == EV_PRESENTATION_BLACK ||
3435 view->presentation_state == EV_PRESENTATION_WHITE) {
3436 view->presentation_state = EV_PRESENTATION_NORMAL;
3440 if (current == view->presentation_state) {
3441 if (ev_page_cache_get_n_pages (view->page_cache) > 1 &&
3442 key_is_numeric (event->keyval)) {
3445 ev_view_goto_window_create (view);
3446 ev_view_goto_window_send_key_event (view, (GdkEvent *)event);
3447 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
3448 gtk_window_move (GTK_WINDOW (view->goto_window), x, y);
3449 gtk_widget_show (view->goto_window);
3450 ev_view_goto_entry_grab_focus (view);
3455 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3458 switch (view->presentation_state) {
3459 case EV_PRESENTATION_NORMAL:
3460 case EV_PRESENTATION_BLACK:
3461 gdk_window_set_background (view->layout.bin_window,
3462 &widget->style->black);
3464 case EV_PRESENTATION_WHITE:
3465 gdk_window_set_background (view->layout.bin_window,
3466 &widget->style->white);
3469 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
3472 gtk_widget_queue_draw (widget);
3477 ev_view_focus_in (GtkWidget *widget,
3478 GdkEventFocus *event)
3480 if (EV_VIEW (widget)->pixbuf_cache)
3481 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3482 gtk_widget_queue_draw (widget);
3488 ev_view_focus_out (GtkWidget *widget,
3489 GdkEventFocus *event)
3491 if (EV_VIEW (widget)->goto_window)
3492 ev_view_goto_window_hide (EV_VIEW (widget));
3494 if (EV_VIEW (widget)->pixbuf_cache)
3495 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3496 gtk_widget_queue_draw (widget);
3502 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3504 EvView *view = EV_VIEW (widget);
3506 if (view->cursor != EV_VIEW_CURSOR_NORMAL)
3507 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
3509 #if !GTK_CHECK_VERSION (2, 11, 7)
3510 if (view->link_tooltip) {
3511 view->hovered_link = NULL;
3512 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
3520 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
3522 EvView *view = EV_VIEW (widget);
3524 ev_view_handle_cursor_over_xy (view, event->x, event->y);
3530 ev_view_style_set (GtkWidget *widget,
3531 GtkStyle *old_style)
3533 if (EV_VIEW (widget)->pixbuf_cache)
3534 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
3536 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
3542 ev_gdk_color_to_rgb (const GdkColor *color)
3545 result = (0xff0000 | (color->red & 0xff00));
3547 result |= ((color->green & 0xff00) | (color->blue >> 8));
3552 draw_rubberband (GtkWidget *widget, GdkWindow *window,
3553 const GdkRectangle *rect, guchar alpha)
3557 GdkColor *fill_color_gdk;
3560 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
3561 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
3563 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
3564 rect->width, rect->height);
3565 gdk_pixbuf_fill (pixbuf, fill_color);
3567 gdk_draw_pixbuf (window, NULL, pixbuf,
3569 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
3570 rect->width, rect->height,
3571 GDK_RGB_DITHER_NONE,
3574 g_object_unref (pixbuf);
3576 gc = gdk_gc_new (window);
3577 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
3578 gdk_draw_rectangle (window, gc, FALSE,
3579 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
3582 g_object_unref (gc);
3584 gdk_color_free (fill_color_gdk);
3589 highlight_find_results (EvView *view, int page)
3591 EvDocumentFind *find;
3594 find = EV_DOCUMENT_FIND (view->document);
3596 results = ev_document_find_get_n_results (find, page);
3598 for (i = 0; i < results; i++) {
3599 EvRectangle rectangle;
3600 GdkRectangle view_rectangle;
3603 if (i == view->find_result && page == view->current_page) {
3609 ev_document_find_get_result (find, page, i, &rectangle);
3610 doc_rect_to_view_rect (view, page, &rectangle, &view_rectangle);
3611 draw_rubberband (GTK_WIDGET (view), view->layout.bin_window,
3612 &view_rectangle, alpha);
3617 draw_loading_text (EvView *view,
3618 GdkRectangle *page_area,
3619 GdkRectangle *expose_area)
3624 if (!view->loading_text) {
3625 const gchar *loading_text = _("Loading...");
3626 PangoLayout *layout;
3627 PangoFontDescription *font_desc;
3628 PangoRectangle logical_rect;
3632 ev_document_fc_mutex_lock ();
3634 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
3636 font_desc = pango_font_description_new ();
3638 /* We set the font to be 10 points, get the size, and scale appropriately */
3639 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
3640 pango_layout_set_font_description (layout, font_desc);
3641 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
3643 target_width = MAX (page_area->width / 2, 1);
3644 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
3645 pango_font_description_set_size (font_desc, (int)real_scale);
3646 pango_layout_set_font_description (layout, font_desc);
3647 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
3649 view->loading_text = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
3651 logical_rect.height);
3652 cr = cairo_create (view->loading_text);
3653 cairo_set_source_rgb (cr,
3657 pango_cairo_show_layout (cr, layout);
3660 pango_font_description_free (font_desc);
3661 g_object_unref (layout);
3663 ev_document_fc_mutex_unlock ();
3666 width = (page_area->width - cairo_image_surface_get_width (view->loading_text)) / 2;
3667 height = (page_area->height - cairo_image_surface_get_height (view->loading_text)) / 2;
3669 cr = gdk_cairo_create (view->layout.bin_window);
3670 cairo_translate (cr,
3671 page_area->x + width,
3672 page_area->y + height);
3673 cairo_set_source_surface (cr, view->loading_text, 0, 0);
3679 draw_one_page (EvView *view,
3682 GdkRectangle *page_area,
3684 GdkRectangle *expose_area,
3685 gboolean *page_ready)
3687 GdkRectangle overlap;
3688 GdkRectangle real_page_area;
3690 g_assert (view->document);
3692 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
3695 /* Render the document itself */
3696 real_page_area = *page_area;
3698 real_page_area.x += border->left;
3699 real_page_area.y += border->top;
3700 real_page_area.width -= (border->left + border->right);
3701 real_page_area.height -= (border->top + border->bottom);
3704 if (!view->presentation) {
3707 current_page = ev_page_cache_get_current_page (view->page_cache);
3708 ev_document_misc_paint_one_page (view->layout.bin_window,
3711 page == current_page);
3714 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
3716 gint page_width, page_height;
3717 cairo_surface_t *page_surface = NULL;
3718 gint selection_width, selection_height;
3719 cairo_surface_t *selection_surface = NULL;
3721 page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page);
3723 if (!page_surface) {
3724 draw_loading_text (view,
3727 *page_ready = FALSE;
3732 ev_page_cache_get_size (view->page_cache,
3733 page, view->rotation,
3737 page_width = cairo_image_surface_get_width (page_surface);
3738 page_height = cairo_image_surface_get_height (page_surface);
3741 cairo_translate (cr, overlap.x, overlap.y);
3743 if (width != page_width || height != page_height) {
3744 cairo_pattern_set_filter (cairo_get_source (cr),
3747 (gdouble)width / page_width,
3748 (gdouble)height / page_height);
3751 cairo_surface_set_device_offset (page_surface,
3752 overlap.x - real_page_area.x,
3753 overlap.y - real_page_area.y);
3754 cairo_set_source_surface (cr, page_surface, 0, 0);
3758 /* Get the selection pixbuf iff we have something to draw */
3759 if (find_selection_for_page (view, page) &&
3760 view->selection_mode == EV_VIEW_SELECTION_TEXT) {
3762 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
3768 if (!selection_surface) {
3772 selection_width = cairo_image_surface_get_width (selection_surface);
3773 selection_height = cairo_image_surface_get_height (selection_surface);
3776 cairo_translate (cr, overlap.x, overlap.y);
3778 if (width != selection_width || height != selection_height) {
3779 cairo_pattern_set_filter (cairo_get_source (cr),
3782 (gdouble)width / selection_width,
3783 (gdouble)height / selection_height);
3786 cairo_surface_set_device_offset (selection_surface,
3787 overlap.x - real_page_area.x,
3788 overlap.y - real_page_area.y);
3789 cairo_set_source_surface (cr, selection_surface, 0, 0);
3795 /*** GObject functions ***/
3798 ev_view_finalize (GObject *object)
3800 EvView *view = EV_VIEW (object);
3802 g_free (view->find_status);
3804 clear_selection (view);
3806 if (view->image_dnd_info.image)
3807 g_object_unref (view->image_dnd_info.image);
3808 view->image_dnd_info.image = NULL;
3810 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
3814 ev_view_destroy (GtkObject *object)
3816 EvView *view = EV_VIEW (object);
3818 if (view->document) {
3819 g_object_unref (view->document);
3820 view->document = NULL;
3823 if (view->pixbuf_cache) {
3824 g_object_unref (view->pixbuf_cache);
3825 view->pixbuf_cache = NULL;
3828 #if !GTK_CHECK_VERSION (2, 11, 7)
3829 if (view->link_tooltip) {
3830 gtk_widget_destroy (view->link_tooltip);
3831 view->link_tooltip = NULL;
3834 if (view->goto_window) {
3835 gtk_widget_destroy (view->goto_window);
3836 view->goto_window = NULL;
3837 view->goto_entry = NULL;
3840 if (view->selection_scroll_id) {
3841 g_source_remove (view->selection_scroll_id);
3842 view->selection_scroll_id = 0;
3845 if (view->selection_update_id) {
3846 g_source_remove (view->selection_update_id);
3847 view->selection_update_id = 0;
3850 if (view->loading_text) {
3851 cairo_surface_destroy (view->loading_text);
3852 view->loading_text = NULL;
3855 if (view->scroll_info.timeout_id) {
3856 g_source_remove (view->scroll_info.timeout_id);
3857 view->scroll_info.timeout_id = 0;
3860 if (view->drag_info.drag_timeout_id) {
3861 g_source_remove (view->drag_info.drag_timeout_id);
3862 view->drag_info.drag_timeout_id = 0;
3865 if (view->drag_info.release_timeout_id) {
3866 g_source_remove (view->drag_info.release_timeout_id);
3867 view->drag_info.release_timeout_id = 0;
3870 ev_view_presentation_transition_stop (view);
3872 ev_view_set_scroll_adjustments (GTK_LAYOUT (view), NULL, NULL);
3874 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
3878 ev_view_set_property (GObject *object,
3880 const GValue *value,
3883 EvView *view = EV_VIEW (object);
3886 case PROP_CONTINUOUS:
3887 ev_view_set_continuous (view, g_value_get_boolean (value));
3889 case PROP_DUAL_PAGE:
3890 ev_view_set_dual_page (view, g_value_get_boolean (value));
3892 case PROP_FULLSCREEN:
3893 ev_view_set_fullscreen (view, g_value_get_boolean (value));
3895 case PROP_PRESENTATION:
3896 ev_view_set_presentation (view, g_value_get_boolean (value));
3898 case PROP_SIZING_MODE:
3899 ev_view_set_sizing_mode (view, g_value_get_enum (value));
3902 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
3905 ev_view_set_rotation (view, g_value_get_int (value));
3908 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
3913 ev_view_get_accessible (GtkWidget *widget)
3915 static gboolean first_time = TRUE;
3918 AtkObjectFactory *factory;
3919 AtkRegistry *registry;
3921 GType derived_atk_type;
3924 * Figure out whether accessibility is enabled by looking at the
3925 * type of the accessible object which would be created for
3926 * the parent type of EvView.
3928 derived_type = g_type_parent (EV_TYPE_VIEW);
3930 registry = atk_get_default_registry ();
3931 factory = atk_registry_get_factory (registry,
3933 derived_atk_type = atk_object_factory_get_accessible_type (factory);
3934 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
3935 atk_registry_set_factory_type (registry,
3937 ev_view_accessible_factory_get_type ());
3940 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
3944 ev_view_get_property (GObject *object,
3949 EvView *view = EV_VIEW (object);
3952 case PROP_FIND_STATUS:
3953 g_value_set_string (value, view->find_status);
3955 case PROP_CONTINUOUS:
3956 g_value_set_boolean (value, view->continuous);
3958 case PROP_DUAL_PAGE:
3959 g_value_set_boolean (value, view->dual_page);
3961 case PROP_FULLSCREEN:
3962 g_value_set_boolean (value, view->fullscreen);
3964 case PROP_PRESENTATION:
3965 g_value_set_boolean (value, view->presentation);
3967 case PROP_SIZING_MODE:
3968 g_value_set_enum (value, view->sizing_mode);
3971 g_value_set_double (value, view->scale);
3974 g_value_set_int (value, view->rotation);
3976 case PROP_HAS_SELECTION:
3977 g_value_set_boolean (value,
3978 view->selection_info.selections != NULL);
3981 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
3986 ev_view_class_init (EvViewClass *class)
3988 GObjectClass *object_class = G_OBJECT_CLASS (class);
3989 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
3990 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
3991 GtkLayoutClass *layout_class = GTK_LAYOUT_CLASS (class);
3992 GtkBindingSet *binding_set;
3994 object_class->finalize = ev_view_finalize;
3995 object_class->set_property = ev_view_set_property;
3996 object_class->get_property = ev_view_get_property;
3998 widget_class->expose_event = ev_view_expose_event;
3999 widget_class->button_press_event = ev_view_button_press_event;
4000 widget_class->motion_notify_event = ev_view_motion_notify_event;
4001 widget_class->button_release_event = ev_view_button_release_event;
4002 widget_class->key_press_event = ev_view_key_press_event;
4003 widget_class->focus_in_event = ev_view_focus_in;
4004 widget_class->focus_out_event = ev_view_focus_out;
4005 widget_class->get_accessible = ev_view_get_accessible;
4006 widget_class->size_request = ev_view_size_request;
4007 widget_class->size_allocate = ev_view_size_allocate;
4008 widget_class->realize = ev_view_realize;
4009 widget_class->scroll_event = ev_view_scroll_event;
4010 widget_class->enter_notify_event = ev_view_enter_notify_event;
4011 widget_class->leave_notify_event = ev_view_leave_notify_event;
4012 widget_class->style_set = ev_view_style_set;
4013 widget_class->drag_data_get = ev_view_drag_data_get;
4014 widget_class->drag_motion = ev_view_drag_motion;
4015 widget_class->drag_data_received = ev_view_drag_data_received;
4016 widget_class->popup_menu = ev_view_popup_menu;
4017 #if GTK_CHECK_VERSION (2, 11, 7)
4018 widget_class->query_tooltip = ev_view_query_tooltip;
4021 gtk_object_class->destroy = ev_view_destroy;
4023 layout_class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
4025 class->binding_activated = ev_view_scroll;
4027 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
4028 G_TYPE_FROM_CLASS (object_class),
4029 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4030 G_STRUCT_OFFSET (EvViewClass, binding_activated),
4032 ev_marshal_VOID__ENUM_BOOLEAN,
4034 GTK_TYPE_SCROLL_TYPE,
4037 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
4038 G_TYPE_FROM_CLASS (object_class),
4039 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4040 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
4042 ev_marshal_VOID__VOID,
4043 G_TYPE_NONE, 0, G_TYPE_NONE);
4044 signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link",
4045 G_TYPE_FROM_CLASS (object_class),
4046 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4047 G_STRUCT_OFFSET (EvViewClass, handle_link),
4049 g_cclosure_marshal_VOID__OBJECT,
4052 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
4053 G_TYPE_FROM_CLASS (object_class),
4054 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4055 G_STRUCT_OFFSET (EvViewClass, external_link),
4057 g_cclosure_marshal_VOID__OBJECT,
4060 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
4061 G_TYPE_FROM_CLASS (object_class),
4062 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
4063 G_STRUCT_OFFSET (EvViewClass, popup_menu),
4065 g_cclosure_marshal_VOID__OBJECT,
4070 g_object_class_install_property (object_class,
4072 g_param_spec_string ("find-status",
4073 "Find Status Message",
4074 "The find status message",
4078 g_object_class_install_property (object_class,
4080 g_param_spec_boolean ("continuous",
4082 "Continuous scrolling mode",
4084 G_PARAM_READWRITE));
4086 g_object_class_install_property (object_class,
4088 g_param_spec_boolean ("dual-page",
4090 "Two pages visible at once",
4092 G_PARAM_READWRITE));
4093 g_object_class_install_property (object_class,
4095 g_param_spec_boolean ("fullscreen",
4097 "Draw page in a fullscreen fashion",
4099 G_PARAM_READWRITE));
4100 g_object_class_install_property (object_class,
4102 g_param_spec_boolean ("presentation",
4104 "Draw page in presentation mode",
4106 G_PARAM_READWRITE));
4108 g_object_class_install_property (object_class,
4110 g_param_spec_enum ("sizing-mode",
4113 EV_TYPE_SIZING_MODE,
4114 EV_SIZING_FIT_WIDTH,
4115 G_PARAM_READWRITE));
4117 g_object_class_install_property (object_class,
4119 g_param_spec_double ("zoom",
4125 G_PARAM_READWRITE));
4126 g_object_class_install_property (object_class,
4128 g_param_spec_double ("rotation",
4134 G_PARAM_READWRITE));
4135 g_object_class_install_property (object_class,
4137 g_param_spec_boolean ("has-selection",
4139 "The view has selections",
4143 binding_set = gtk_binding_set_by_class (class);
4145 add_scroll_binding_keypad (binding_set, GDK_Left, 0, EV_SCROLL_STEP_BACKWARD, TRUE);
4146 add_scroll_binding_keypad (binding_set, GDK_Right, 0, EV_SCROLL_STEP_FORWARD, TRUE);
4147 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, TRUE);
4148 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, TRUE);
4149 add_scroll_binding_keypad (binding_set, GDK_Up, 0, EV_SCROLL_STEP_BACKWARD, FALSE);
4150 add_scroll_binding_keypad (binding_set, GDK_Down, 0, EV_SCROLL_STEP_FORWARD, FALSE);
4151 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, FALSE);
4152 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, FALSE);
4153 gtk_binding_entry_add_signal (binding_set, GDK_H, 0, "binding_activated", 2, EV_TYPE_SCROLL_TYPE,
4154 EV_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE);
4155 gtk_binding_entry_add_signal (binding_set, GDK_J, 0, "binding_activated", 2, EV_TYPE_SCROLL_TYPE,
4156 EV_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE);
4157 gtk_binding_entry_add_signal (binding_set, GDK_K, 0, "binding_activated", 2, EV_TYPE_SCROLL_TYPE,
4158 EV_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE);
4159 gtk_binding_entry_add_signal (binding_set, GDK_L, 0, "binding_activated", 2, EV_TYPE_SCROLL_TYPE,
4160 EV_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE);
4165 ev_view_init (EvView *view)
4167 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
4171 view->current_page = 0;
4172 view->pressed_button = -1;
4173 view->cursor = EV_VIEW_CURSOR_NORMAL;
4174 view->drag_info.in_drag = FALSE;
4175 view->scroll_info.autoscrolling = FALSE;
4176 view->selection_info.selections = NULL;
4177 view->selection_info.in_selection = FALSE;
4178 view->selection_info.in_drag = FALSE;
4179 view->selection_mode = EV_VIEW_SELECTION_TEXT;
4180 view->continuous = TRUE;
4181 view->dual_page = FALSE;
4182 view->presentation = FALSE;
4183 view->presentation_state = EV_PRESENTATION_NORMAL;
4184 view->fullscreen = FALSE;
4185 view->sizing_mode = EV_SIZING_FIT_WIDTH;
4186 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
4187 view->jump_to_find_result = TRUE;
4188 view->highlight_find_results = FALSE;
4190 gtk_layout_set_hadjustment (GTK_LAYOUT (view), NULL);
4191 gtk_layout_set_vadjustment (GTK_LAYOUT (view), NULL);
4193 gtk_drag_dest_set (GTK_WIDGET (view),
4194 GTK_DEST_DEFAULT_ALL,
4196 G_N_ELEMENTS (view_drop_targets),
4203 find_changed_cb (EvDocument *document, int page, EvView *view)
4208 percent = ev_document_find_get_progress
4209 (EV_DOCUMENT_FIND (view->document));
4210 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4212 if (view->jump_to_find_result == TRUE) {
4213 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
4214 jump_to_find_result (view);
4216 update_find_status_message (view, percent * n_pages >= n_pages - 1 );
4217 if (view->current_page == page)
4218 gtk_widget_queue_draw (GTK_WIDGET (view));
4222 ev_view_change_page (EvView *view,
4227 view->current_page = new_page;
4228 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4230 if (view->presentation)
4231 ev_view_presentation_transition_start (view);
4233 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4234 ev_view_handle_cursor_over_xy (view, x, y);
4236 gtk_widget_queue_resize (GTK_WIDGET (view));
4240 ev_view_transition_animation_finish (EvTransitionAnimation *animation,
4243 g_object_unref (view->animation);
4244 view->animation = NULL;
4245 ev_view_change_page (view, view->current_page);
4249 ev_view_transition_animation_frame (EvTransitionAnimation *animation,
4253 gtk_widget_queue_draw (GTK_WIDGET (view));
4257 ev_view_presentation_animation_start (EvView *view,
4260 EvTransitionEffect *effect = NULL;
4261 cairo_surface_t *surface;
4263 if (EV_IS_DOCUMENT_TRANSITION (view->document))
4264 effect = ev_document_transition_get_effect (EV_DOCUMENT_TRANSITION (view->document),
4265 view->current_page);
4269 surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page);
4270 view->animation = ev_transition_animation_new (effect);
4271 ev_transition_animation_set_origin_surface (view->animation, surface);
4273 g_signal_connect (view->animation, "frame",
4274 G_CALLBACK (ev_view_transition_animation_frame), view);
4275 g_signal_connect (view->animation, "finished",
4276 G_CALLBACK (ev_view_transition_animation_finish), view);
4280 job_finished_cb (EvPixbufCache *pixbuf_cache,
4284 if (view->animation) {
4285 cairo_surface_t *surface;
4287 surface = ev_pixbuf_cache_get_surface (pixbuf_cache, view->current_page);
4288 ev_transition_animation_set_dest_surface (view->animation, surface);
4292 gdk_window_invalidate_region (view->layout.bin_window,
4295 gtk_widget_queue_draw (GTK_WIDGET (view));
4300 page_changed_cb (EvPageCache *page_cache,
4304 if (view->current_page != new_page) {
4305 if (view->presentation)
4306 ev_view_presentation_animation_start (view, new_page);
4308 ev_view_change_page (view, new_page);
4310 gtk_widget_queue_draw (GTK_WIDGET (view));
4313 if (EV_IS_DOCUMENT_FIND (view->document)) {
4314 view->find_result = 0;
4315 update_find_status_message (view, TRUE);
4320 on_adjustment_value_changed (GtkAdjustment *adjustment,
4325 GList *children, *l;
4327 if (! GTK_WIDGET_REALIZED (view))
4330 if (view->hadjustment) {
4331 dx = view->scroll_x - (int) view->hadjustment->value;
4332 view->scroll_x = (int) view->hadjustment->value;
4337 if (view->vadjustment) {
4338 dy = view->scroll_y - (int) view->vadjustment->value;
4339 view->scroll_y = (int) view->vadjustment->value;
4344 children = gtk_container_get_children (GTK_CONTAINER (view));
4345 for (l = children; l && l->data; l = g_list_next (l)) {
4346 gint child_x, child_y;
4347 GtkWidget *child = (GtkWidget *)l->data;
4349 gtk_container_child_get (GTK_CONTAINER (view),
4354 gtk_layout_move (GTK_LAYOUT (view), child, child_x + dx, child_y + dy);
4356 g_list_free (children);
4358 if (view->pending_resize)
4359 gtk_widget_queue_draw (GTK_WIDGET (view));
4361 gdk_window_scroll (view->layout.bin_window, dx, dy);
4363 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
4364 ev_view_handle_cursor_over_xy (view, x, y);
4367 view_update_range_and_current_page (view);
4375 view = g_object_new (EV_TYPE_VIEW, NULL);
4381 setup_caches (EvView *view)
4383 view->page_cache = ev_page_cache_get (view->document);
4384 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
4385 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
4386 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
4387 page_changed_cb (view->page_cache,
4388 ev_page_cache_get_current_page (view->page_cache),
4393 clear_caches (EvView *view)
4395 if (view->pixbuf_cache) {
4396 g_object_unref (view->pixbuf_cache);
4397 view->pixbuf_cache = NULL;
4400 if (view->page_cache) {
4401 view->page_cache = NULL;
4406 ev_view_set_loading (EvView *view,
4409 view->loading = loading;
4410 gtk_widget_queue_draw (GTK_WIDGET (view));
4413 static gboolean ev_view_autoscroll_cb (EvView *view)
4415 gdouble speed, value;
4417 /* If the user stops autoscrolling, autoscrolling will be
4418 * set to false but the timeout will continue; stop the timeout: */
4419 if (!view->scroll_info.autoscrolling) {
4420 view->scroll_info.timeout_id = 0;
4424 if (view->scroll_info.last_y > view->scroll_info.start_y &&
4425 (view->scroll_info.last_y < view->scroll_info.start_y))
4428 /* Replace 100 with your speed of choice: The lower the faster.
4429 * Replace 3 with another speed of choice: The higher, the faster it accelerated
4430 * based on the distance of the starting point from the mouse
4431 * (All also effected by the timeout interval of this callback) */
4433 if (view->scroll_info.start_y > view->scroll_info.last_y)
4434 speed = -pow ((((gdouble)view->scroll_info.start_y - view->scroll_info.last_y) / 100), 3);
4436 speed = pow ((((gdouble)view->scroll_info.last_y - view->scroll_info.start_y) / 100), 3);
4438 value = gtk_adjustment_get_value (view->vadjustment);
4439 value = CLAMP (value + speed, 0, view->vadjustment->upper - view->vadjustment->page_size);
4440 gtk_adjustment_set_value (view->vadjustment, value);
4446 void ev_view_autoscroll(EvView *view)
4448 view->scroll_info.autoscrolling = TRUE;
4449 view->scroll_info.timeout_id = g_timeout_add (20, (GSourceFunc)(ev_view_autoscroll_cb), view);
4453 ev_view_set_document (EvView *view,
4454 EvDocument *document)
4456 g_return_if_fail (EV_IS_VIEW (view));
4458 view->loading = FALSE;
4460 if (document != view->document) {
4461 clear_caches (view);
4463 if (view->document) {
4464 g_signal_handlers_disconnect_by_func (view->document,
4467 g_object_unref (view->document);
4468 view->page_cache = NULL;
4472 view->document = document;
4473 view->find_result = 0;
4475 if (view->document) {
4476 g_object_ref (view->document);
4477 if (EV_IS_DOCUMENT_FIND (view->document)) {
4478 g_signal_connect (view->document,
4480 G_CALLBACK (find_changed_cb),
4484 setup_caches (view);
4487 gtk_widget_queue_resize (GTK_WIDGET (view));
4491 /*** Zoom and sizing mode ***/
4493 #define EPSILON 0.0000001
4495 ev_view_set_zoom (EvView *view,
4502 scale = view->scale * factor;
4506 scale = CLAMP (scale,
4507 view->sizing_mode == EV_SIZING_FREE ? view->min_scale : 0,
4510 if (ABS (view->scale - scale) < EPSILON)
4513 if (view->loading_text) {
4514 cairo_surface_destroy (view->loading_text);
4515 view->loading_text = NULL;
4518 view->scale = scale;
4519 view->pending_resize = TRUE;
4521 gtk_widget_queue_resize (GTK_WIDGET (view));
4523 g_object_notify (G_OBJECT (view), "zoom");
4527 ev_view_get_zoom (EvView *view)
4533 ev_view_set_screen_dpi (EvView *view,
4536 g_return_if_fail (EV_IS_VIEW (view));
4537 g_return_if_fail (dpi > 0);
4540 view->min_scale = MIN_SCALE * dpi / 72.0;
4541 view->max_scale = MAX_SCALE * dpi / 72.0;
4545 ev_view_get_continuous (EvView *view)
4547 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4549 return view->continuous;
4553 ev_view_set_continuous (EvView *view,
4554 gboolean continuous)
4556 g_return_if_fail (EV_IS_VIEW (view));
4558 continuous = continuous != FALSE;
4560 if (view->continuous != continuous) {
4561 view->continuous = continuous;
4562 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4563 gtk_widget_queue_resize (GTK_WIDGET (view));
4566 g_object_notify (G_OBJECT (view), "continuous");
4570 ev_view_get_dual_page (EvView *view)
4572 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4574 return view->dual_page;
4578 ev_view_set_dual_page (EvView *view,
4581 g_return_if_fail (EV_IS_VIEW (view));
4583 dual_page = dual_page != FALSE;
4585 if (view->dual_page == dual_page)
4588 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4589 view->dual_page = dual_page;
4590 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
4591 * preload_cache_size to be 2 if dual_page is set.
4593 gtk_widget_queue_resize (GTK_WIDGET (view));
4595 g_object_notify (G_OBJECT (view), "dual-page");
4599 ev_view_set_fullscreen (EvView *view,
4600 gboolean fullscreen)
4602 g_return_if_fail (EV_IS_VIEW (view));
4604 fullscreen = fullscreen != FALSE;
4606 if (view->fullscreen == fullscreen)
4609 view->fullscreen = fullscreen;
4610 gtk_widget_queue_resize (GTK_WIDGET (view));
4612 g_object_notify (G_OBJECT (view), "fullscreen");
4616 ev_view_get_fullscreen (EvView *view)
4618 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4620 return view->fullscreen;
4624 ev_view_set_presentation (EvView *view,
4625 gboolean presentation)
4627 g_return_if_fail (EV_IS_VIEW (view));
4629 presentation = presentation != FALSE;
4631 if (view->presentation == presentation)
4635 view->presentation_state = EV_PRESENTATION_NORMAL;
4637 view->presentation = presentation;
4638 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
4641 view->sizing_mode_saved = view->sizing_mode;
4642 view->scale_saved = view->scale;
4643 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
4645 ev_view_set_sizing_mode (view, view->sizing_mode_saved);
4646 ev_view_set_zoom (view, view->scale_saved, FALSE);
4649 gtk_widget_queue_resize (GTK_WIDGET (view));
4652 ev_view_presentation_transition_start (view);
4654 ev_view_presentation_transition_stop (view);
4656 if (view->animation) {
4657 /* stop any running animation */
4658 ev_view_transition_animation_finish (view->animation, view);
4662 if (GTK_WIDGET_REALIZED (view)) {
4663 if (view->presentation)
4664 gdk_window_set_background (view->layout.bin_window,
4665 >K_WIDGET (view)->style->black);
4667 gdk_window_set_background (view->layout.bin_window,
4668 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
4671 g_object_notify (G_OBJECT (view), "presentation");
4675 ev_view_get_presentation (EvView *view)
4677 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4679 return view->presentation;
4683 transition_next_page (EvView *view)
4685 ev_view_next_page (view);
4691 ev_view_presentation_transition_stop (EvView *view)
4693 if (view->trans_timeout_id > 0)
4694 g_source_remove (view->trans_timeout_id);
4695 view->trans_timeout_id = 0;
4699 ev_view_presentation_transition_start (EvView *view)
4703 if (!EV_IS_DOCUMENT_TRANSITION (view->document))
4706 ev_view_presentation_transition_stop (view);
4708 duration = ev_document_transition_get_page_duration (EV_DOCUMENT_TRANSITION (view->document),
4709 view->current_page);
4711 #if GLIB_CHECK_VERSION (2, 13, 0)
4712 view->trans_timeout_id =
4713 g_timeout_add_seconds (duration,
4714 (GSourceFunc) transition_next_page,
4717 view->trans_timeout_id =
4718 g_timeout_add (duration * 1000,
4719 (GSourceFunc) transition_next_page,
4726 ev_view_set_sizing_mode (EvView *view,
4727 EvSizingMode sizing_mode)
4729 g_return_if_fail (EV_IS_VIEW (view));
4731 if (view->sizing_mode == sizing_mode)
4734 view->sizing_mode = sizing_mode;
4735 gtk_widget_queue_resize (GTK_WIDGET (view));
4737 g_object_notify (G_OBJECT (view), "sizing-mode");
4741 ev_view_get_sizing_mode (EvView *view)
4743 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
4745 return view->sizing_mode;
4749 ev_view_can_zoom_in (EvView *view)
4751 return view->scale * ZOOM_IN_FACTOR <= view->max_scale;
4755 ev_view_can_zoom_out (EvView *view)
4757 return view->scale * ZOOM_OUT_FACTOR >= view->min_scale;
4761 ev_view_zoom_in (EvView *view)
4763 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
4765 if (view->presentation)
4768 view->pending_scroll = SCROLL_TO_CENTER;
4769 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
4773 ev_view_zoom_out (EvView *view)
4775 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
4777 if (view->presentation)
4780 view->pending_scroll = SCROLL_TO_CENTER;
4781 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
4785 ev_view_rotate_right (EvView *view)
4787 int rotation = view->rotation + 90;
4789 if (rotation >= 360) {
4793 ev_view_set_rotation (view, rotation);
4797 ev_view_rotate_left (EvView *view)
4799 int rotation = view->rotation - 90;
4805 ev_view_set_rotation (view, rotation);
4809 ev_view_set_rotation (EvView *view, int rotation)
4811 view->rotation = rotation;
4813 if (view->pixbuf_cache) {
4814 ev_pixbuf_cache_clear (view->pixbuf_cache);
4815 gtk_widget_queue_resize (GTK_WIDGET (view));
4819 clear_selection (view);
4821 g_object_notify (G_OBJECT (view), "rotation");
4825 ev_view_get_rotation (EvView *view)
4827 return view->rotation;
4831 zoom_for_size_fit_width (int doc_width,
4839 scale = (double)target_width / doc_width;
4841 if (doc_height * scale > target_height)
4842 scale = (double) (target_width - vsb_width) / doc_width;
4848 zoom_for_size_fit_height (int doc_width,
4856 scale = (double)target_height / doc_height;
4858 if (doc_width * scale > target_width)
4859 scale = (double) (target_height - vsb_height) / doc_height;
4865 zoom_for_size_best_fit (int doc_width,
4875 w_scale = (double)target_width / doc_width;
4876 h_scale = (double)target_height / doc_height;
4878 if (doc_height * w_scale > target_height)
4879 w_scale = (double) (target_width - vsb_width) / doc_width;
4880 if (doc_width * h_scale > target_width)
4881 h_scale = (double) (target_height - hsb_width) / doc_height;
4883 return MIN (w_scale, h_scale);
4888 ev_view_zoom_for_size_presentation (EvView *view,
4892 int doc_width, doc_height;
4895 ev_page_cache_get_size (view->page_cache,
4901 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
4902 ev_view_set_zoom (view, scale, FALSE);
4906 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
4912 int doc_width, doc_height;
4916 ev_page_cache_get_max_width (view->page_cache,
4920 ev_page_cache_get_max_height (view->page_cache,
4924 compute_border (view, doc_width, doc_height, &border);
4926 doc_width = doc_width * 2;
4927 width -= (2 * (border.left + border.right) + 3 * view->spacing);
4928 height -= (border.top + border.bottom + 2 * view->spacing - 1);
4930 /* FIXME: We really need to calculate the overall height here, not the
4931 * page height. We assume there's always a vertical scrollbar for
4932 * now. We need to fix this. */
4933 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
4934 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
4935 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4936 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
4938 g_assert_not_reached ();
4940 ev_view_set_zoom (view, scale, FALSE);
4944 ev_view_zoom_for_size_continuous (EvView *view,
4950 int doc_width, doc_height;
4954 ev_page_cache_get_max_width (view->page_cache,
4958 ev_page_cache_get_max_height (view->page_cache,
4962 compute_border (view, doc_width, doc_height, &border);
4964 width -= (border.left + border.right + 2 * view->spacing);
4965 height -= (border.top + border.bottom + 2 * view->spacing - 1);
4967 /* FIXME: We really need to calculate the overall height here, not the
4968 * page height. We assume there's always a vertical scrollbar for
4969 * now. We need to fix this. */
4970 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
4971 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
4972 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
4973 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
4975 g_assert_not_reached ();
4977 ev_view_set_zoom (view, scale, FALSE);
4981 ev_view_zoom_for_size_dual_page (EvView *view,
4988 gint doc_width, doc_height;
4992 other_page = view->current_page ^ 1;
4994 /* Find the largest of the two. */
4995 ev_page_cache_get_size (view->page_cache,
4999 &doc_width, &doc_height);
5001 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
5002 gint width_2, height_2;
5003 ev_page_cache_get_size (view->page_cache,
5007 &width_2, &height_2);
5008 if (width_2 > doc_width)
5009 doc_width = width_2;
5010 if (height_2 > doc_height)
5011 doc_height = height_2;
5013 compute_border (view, doc_width, doc_height, &border);
5015 doc_width = doc_width * 2;
5016 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
5017 height -= (border.top + border.bottom + 2 * view->spacing);
5019 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5020 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
5021 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5022 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
5024 g_assert_not_reached ();
5026 ev_view_set_zoom (view, scale, FALSE);
5030 ev_view_zoom_for_size_single_page (EvView *view,
5036 int doc_width, doc_height;
5040 ev_page_cache_get_size (view->page_cache,
5046 /* Get an approximate border */
5047 compute_border (view, width, height, &border);
5049 width -= (border.left + border.right + 2 * view->spacing);
5050 height -= (border.top + border.bottom + 2 * view->spacing);
5052 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
5053 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
5054 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
5055 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
5057 g_assert_not_reached ();
5059 ev_view_set_zoom (view, scale, FALSE);
5063 ev_view_set_zoom_for_size (EvView *view,
5069 g_return_if_fail (EV_IS_VIEW (view));
5070 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
5071 view->sizing_mode == EV_SIZING_BEST_FIT);
5072 g_return_if_fail (width >= 0);
5073 g_return_if_fail (height >= 0);
5075 if (view->document == NULL)
5078 if (view->presentation)
5079 ev_view_zoom_for_size_presentation (view, width, height);
5080 else if (view->continuous && view->dual_page)
5081 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
5082 else if (view->continuous)
5083 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
5084 else if (view->dual_page)
5085 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
5087 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
5092 update_find_status_message (EvView *view, gboolean this_page)
5099 results = ev_document_find_get_n_results
5100 (EV_DOCUMENT_FIND (view->document),
5101 view->current_page);
5102 /* TRANS: Sometimes this could be better translated as
5103 "%d hit(s) on this page". Therefore this string
5104 contains plural cases. */
5105 message = g_strdup_printf (ngettext ("%d found on this page",
5106 "%d found on this page",
5112 percent = ev_document_find_get_progress
5113 (EV_DOCUMENT_FIND (view->document));
5114 message = g_strdup_printf (_("%3d%% remaining to search"),
5115 (int) ((1.0 - percent) * 100));
5118 ev_view_set_find_status (view, message);
5123 ev_view_get_find_status (EvView *view)
5125 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
5127 return view->find_status;
5131 ev_view_set_find_status (EvView *view, const char *message)
5133 g_return_if_fail (EV_IS_VIEW (view));
5135 g_free (view->find_status);
5136 view->find_status = g_strdup (message);
5137 g_object_notify (G_OBJECT (view), "find-status");
5141 jump_to_find_result (EvView *view)
5143 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
5145 GdkRectangle view_rect;
5147 int page = view->current_page;
5149 n_results = ev_document_find_get_n_results (find, page);
5151 if (n_results > 0 && view->find_result < n_results) {
5152 ev_document_find_get_result
5153 (find, page, view->find_result, &rect);
5155 doc_rect_to_view_rect (view, page, &rect, &view_rect);
5156 ensure_rectangle_is_visible (view, &view_rect);
5162 * @view: #EvView instance
5163 * @direction: Direction to look
5164 * @shift: Shift from current page
5166 * Jumps to the first page that has occurences of searched word.
5167 * Uses a direction where to look and a shift from current page.
5171 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
5175 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5177 for (i = 0; i < n_pages; i++) {
5181 if (direction == EV_VIEW_FIND_NEXT)
5182 page = view->current_page + i;
5184 page = view->current_page - i;
5187 if (page >= n_pages) {
5188 page = page - n_pages;
5191 page = page + n_pages;
5193 has_results = ev_document_find_page_has_results
5194 (EV_DOCUMENT_FIND (view->document), page);
5195 if (has_results == -1) {
5197 } else if (has_results == 1) {
5198 ev_page_cache_set_current_page (view->page_cache, page);
5205 ev_view_can_find_next (EvView *view)
5207 if (EV_IS_DOCUMENT_FIND (view->document)) {
5208 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
5211 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5212 for (i = 0; i < n_pages; i++) {
5213 if (ev_document_find_get_n_results (find, i) > 0) {
5223 ev_view_find_next (EvView *view)
5225 int n_results, n_pages;
5226 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
5228 n_results = ev_document_find_get_n_results (find, view->current_page);
5230 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5232 view->find_result++;
5234 if (view->find_result >= n_results) {
5236 view->find_result = 0;
5237 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
5238 jump_to_find_result (view);
5240 jump_to_find_result (view);
5241 gtk_widget_queue_draw (GTK_WIDGET (view));
5246 ev_view_can_find_previous (EvView *view)
5248 if (EV_IS_DOCUMENT_FIND (view->document)) {
5249 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
5252 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5253 for (i = n_pages - 1; i >= 0; i--) {
5254 if (ev_document_find_get_n_results (find, i) > 0) {
5263 ev_view_find_previous (EvView *view)
5265 int n_results, n_pages;
5266 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
5267 EvPageCache *page_cache;
5269 page_cache = ev_page_cache_get (view->document);
5271 n_results = ev_document_find_get_n_results (find, view->current_page);
5273 n_pages = ev_page_cache_get_n_pages (page_cache);
5275 view->find_result--;
5277 if (view->find_result < 0) {
5279 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
5280 view->find_result = ev_document_find_get_n_results (find, view->current_page) - 1;
5281 jump_to_find_result (view);
5283 jump_to_find_result (view);
5284 gtk_widget_queue_draw (GTK_WIDGET (view));
5288 void ev_view_search_changed (EvView *view)
5290 /* search string has changed, focus on new search result */
5291 view->jump_to_find_result = TRUE;
5294 void ev_view_set_highlight_search (EvView *view, gboolean value)
5296 view->highlight_find_results = value;
5297 gtk_widget_queue_draw (GTK_WIDGET (view));
5300 /*** Selections ***/
5302 /* compute_new_selection_rect/text calculates the area currently selected by
5303 * view_rect. each handles a different mode;
5306 compute_new_selection_rect (EvView *view,
5310 GdkRectangle view_rect;
5314 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
5316 view_rect.x = MIN (start->x, stop->x);
5317 view_rect.y = MIN (start->y, stop->y);
5318 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
5319 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
5321 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5323 for (i = 0; i < n_pages; i++) {
5324 GdkRectangle page_area;
5327 if (get_page_extents (view, i, &page_area, &border)) {
5328 GdkRectangle overlap;
5330 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
5331 EvViewSelection *selection;
5333 selection = g_new0 (EvViewSelection, 1);
5334 selection->page = i;
5335 view_rect_to_doc_rect (view, &overlap, &page_area,
5336 &(selection->rect));
5338 list = g_list_append (list, selection);
5347 gdk_rectangle_point_in (GdkRectangle *rectangle,
5350 return rectangle->x <= point->x &&
5351 rectangle->y <= point->y &&
5352 point->x < rectangle->x + rectangle->width &&
5353 point->y < rectangle->y + rectangle->height;
5357 compute_new_selection_text (EvView *view,
5358 EvSelectionStyle style,
5362 int n_pages, i, first, last;
5364 EvViewSelection *selection;
5366 int start_page, end_page;
5368 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
5370 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5372 /* First figure out the range of pages the selection
5376 if (view->continuous) {
5379 } else if (view->dual_page) {
5380 start_page = view->start_page;
5381 end_page = view->end_page + 1;
5383 start_page = view->current_page;
5384 end_page = view->current_page + 1;
5387 for (i = start_page; i < end_page; i++) {
5388 GdkRectangle page_area;
5391 get_page_extents (view, i, &page_area, &border);
5392 if (gdk_rectangle_point_in (&page_area, start) ||
5393 gdk_rectangle_point_in (&page_area, stop)) {
5394 if (first == n_pages)
5401 /* Now create a list of EvViewSelection's for the affected
5402 * pages. This could be an empty list, a list of just one
5403 * page or a number of pages.*/
5404 for (i = first; i < last + 1; i++) {
5405 GdkRectangle page_area;
5409 ev_page_cache_get_size (view->page_cache, i,
5411 1.0, &width, &height);
5413 selection = g_new0 (EvViewSelection, 1);
5414 selection->page = i;
5415 selection->style = style;
5416 selection->rect.x1 = selection->rect.y1 = 0;
5417 selection->rect.x2 = width;
5418 selection->rect.y2 = height;
5420 get_page_extents (view, i, &page_area, &border);
5422 if (gdk_rectangle_point_in (&page_area, start))
5428 view_point_to_doc_point (view, point, &page_area,
5429 &selection->rect.x1,
5430 &selection->rect.y1);
5432 /* If the selection is contained within just one page,
5433 * make sure we don't write 'start' into both points
5434 * in selection->rect. */
5439 view_point_to_doc_point (view, point, &page_area,
5440 &selection->rect.x2,
5441 &selection->rect.y2);
5443 list = g_list_append (list, selection);
5449 /* This function takes the newly calculated list, and figures out which regions
5450 * have changed. It then queues a redraw approporiately.
5453 merge_selection_region (EvView *view,
5457 GList *new_list_ptr, *old_list_ptr;
5459 /* Update the selection */
5460 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
5461 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5462 view->selection_info.selections = new_list;
5463 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
5464 g_object_notify (G_OBJECT (view), "has-selection");
5466 new_list_ptr = new_list;
5467 old_list_ptr = old_list;
5469 while (new_list_ptr || old_list_ptr) {
5470 EvViewSelection *old_sel, *new_sel;
5472 GdkRegion *region = NULL;
5474 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
5475 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
5477 /* Assume that the lists are in order, and we run through them
5478 * comparing them, one page at a time. We come out with the
5479 * first page we see. */
5480 if (new_sel && old_sel) {
5481 if (new_sel->page < old_sel->page) {
5482 new_list_ptr = new_list_ptr->next;
5484 } else if (new_sel->page > old_sel->page) {
5485 old_list_ptr = old_list_ptr->next;
5488 new_list_ptr = new_list_ptr->next;
5489 old_list_ptr = old_list_ptr->next;
5491 } else if (new_sel) {
5492 new_list_ptr = new_list_ptr->next;
5493 } else if (old_sel) {
5494 old_list_ptr = old_list_ptr->next;
5497 g_assert (new_sel || old_sel);
5499 /* is the page we're looking at on the screen?*/
5500 cur_page = new_sel ? new_sel->page : old_sel->page;
5501 if (cur_page < view->start_page || cur_page > view->end_page)
5504 /* seed the cache with a new page. We are going to need the new
5507 GdkRegion *tmp_region = NULL;
5509 ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
5515 new_sel->covered_region = gdk_region_copy (tmp_region);
5519 /* Now we figure out what needs redrawing */
5520 if (old_sel && new_sel) {
5521 if (old_sel->covered_region && new_sel->covered_region) {
5522 /* We only want to redraw the areas that have
5523 * changed, so we xor the old and new regions
5524 * and redraw if it's different */
5525 region = gdk_region_copy (old_sel->covered_region);
5526 gdk_region_xor (region, new_sel->covered_region);
5527 if (gdk_region_empty (region)) {
5528 gdk_region_destroy (region);
5531 } else if (old_sel->covered_region) {
5532 region = gdk_region_copy (old_sel->covered_region);
5533 } else if (new_sel->covered_region) {
5534 region = gdk_region_copy (new_sel->covered_region);
5536 } else if (old_sel && !new_sel) {
5537 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
5538 region = gdk_region_copy (old_sel->covered_region);
5540 } else if (!old_sel && new_sel) {
5541 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
5542 region = gdk_region_copy (new_sel->covered_region);
5545 g_assert_not_reached ();
5548 /* Redraw the damaged region! */
5550 GdkRectangle page_area;
5553 /* I don't know why but the region is smaller
5554 * than expected. This hack fixes it, I guess
5555 * 10 pixels more won't hurt
5557 gdk_region_shrink (region, -5, -5);
5559 get_page_extents (view, cur_page, &page_area, &border);
5560 gdk_region_offset (region,
5561 page_area.x + border.left - view->scroll_x,
5562 page_area.y + border.top - view->scroll_y);
5563 gdk_window_invalidate_region (view->layout.bin_window, region, TRUE);
5564 gdk_region_destroy (region);
5568 /* Free the old list, now that we're done with it. */
5569 g_list_foreach (old_list, (GFunc) selection_free, NULL);
5573 compute_selections (EvView *view,
5574 EvSelectionStyle style,
5580 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
5581 list = compute_new_selection_rect (view, start, stop);
5583 list = compute_new_selection_text (view, style, start, stop);
5584 merge_selection_region (view, list);
5587 /* Free's the selection. It's up to the caller to queue redraws if needed.
5590 selection_free (EvViewSelection *selection)
5592 if (selection->covered_region)
5593 gdk_region_destroy (selection->covered_region);
5598 clear_selection (EvView *view)
5600 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
5601 view->selection_info.selections = NULL;
5602 view->selection_info.in_selection = FALSE;
5603 if (view->pixbuf_cache)
5604 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
5605 g_object_notify (G_OBJECT (view), "has-selection");
5609 ev_view_select_all (EvView *view)
5611 GList *selections = NULL;
5614 /* Disable selection on rotated pages for the 0.4.0 series */
5615 if (view->rotation != 0)
5618 clear_selection (view);
5620 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5621 for (i = 0; i < n_pages; i++) {
5623 EvViewSelection *selection;
5625 ev_page_cache_get_size (view->page_cache,
5628 1.0, &width, &height);
5630 selection = g_new0 (EvViewSelection, 1);
5631 selection->page = i;
5632 selection->style = EV_SELECTION_STYLE_GLYPH;
5633 selection->rect.x1 = selection->rect.y1 = 0;
5634 selection->rect.x2 = width;
5635 selection->rect.y2 = height;
5637 selections = g_list_append (selections, selection);
5640 merge_selection_region (view, selections);
5641 gtk_widget_queue_draw (GTK_WIDGET (view));
5645 ev_view_get_has_selection (EvView *view)
5647 return view->selection_info.selections != NULL;
5651 get_selected_text (EvView *view)
5655 gchar *normalized_text;
5656 EvRenderContext *rc;
5658 text = g_string_new (NULL);
5659 rc = ev_render_context_new (view->rotation, 1, view->scale);
5661 ev_document_doc_mutex_lock ();
5663 for (l = view->selection_info.selections; l != NULL; l = l->next) {
5664 EvViewSelection *selection = (EvViewSelection *)l->data;
5667 ev_render_context_set_page (rc, selection->page);
5668 tmp = ev_selection_get_selected_text (EV_SELECTION (view->document),
5669 rc, selection->style,
5670 &(selection->rect));
5672 g_string_append (text, tmp);
5676 ev_document_doc_mutex_unlock ();
5678 g_object_unref (rc);
5680 normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC);
5681 g_string_free (text, TRUE);
5682 return normalized_text;
5686 ev_view_copy (EvView *ev_view)
5688 GtkClipboard *clipboard;
5691 if (!EV_IS_SELECTION (ev_view->document))
5694 text = get_selected_text (ev_view);
5695 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
5696 GDK_SELECTION_CLIPBOARD);
5697 gtk_clipboard_set_text (clipboard, text, -1);
5702 ev_view_primary_get_cb (GtkClipboard *clipboard,
5703 GtkSelectionData *selection_data,
5707 EvView *ev_view = EV_VIEW (data);
5710 if (!EV_IS_SELECTION (ev_view->document))
5713 text = get_selected_text (ev_view);
5715 gtk_selection_data_set_text (selection_data, text, -1);
5721 ev_view_primary_clear_cb (GtkClipboard *clipboard,
5724 EvView *view = EV_VIEW (data);
5726 clear_selection (view);
5730 ev_view_update_primary_selection (EvView *ev_view)
5732 GtkClipboard *clipboard;
5734 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
5735 GDK_SELECTION_PRIMARY);
5737 if (ev_view->selection_info.selections) {
5738 if (!gtk_clipboard_set_with_owner (clipboard,
5740 G_N_ELEMENTS (clipboard_targets),
5741 ev_view_primary_get_cb,
5742 ev_view_primary_clear_cb,
5743 G_OBJECT (ev_view)))
5744 ev_view_primary_clear_cb (clipboard, ev_view);
5746 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
5747 gtk_clipboard_clear (clipboard);
5751 /*** Cursor operations ***/
5754 ev_view_create_invisible_cursor(void)
5757 GdkColor black = { 0, 0, 0, 0 };
5758 static char bits[] = { 0x00 };
5760 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
5762 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
5766 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
5768 GdkCursor *cursor = NULL;
5769 GdkDisplay *display;
5772 if (view->cursor == new_cursor) {
5776 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
5777 display = gtk_widget_get_display (widget);
5778 view->cursor = new_cursor;
5780 switch (new_cursor) {
5781 case EV_VIEW_CURSOR_NORMAL:
5782 gdk_window_set_cursor (view->layout.bin_window, NULL);
5784 case EV_VIEW_CURSOR_IBEAM:
5785 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
5787 case EV_VIEW_CURSOR_LINK:
5788 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
5790 case EV_VIEW_CURSOR_WAIT:
5791 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
5793 case EV_VIEW_CURSOR_HIDDEN:
5794 cursor = ev_view_create_invisible_cursor ();
5796 case EV_VIEW_CURSOR_DRAG:
5797 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
5799 case EV_VIEW_CURSOR_AUTOSCROLL:
5800 cursor = gdk_cursor_new_for_display (display, GDK_DOUBLE_ARROW);
5805 gdk_window_set_cursor (view->layout.bin_window, cursor);
5806 gdk_cursor_unref (cursor);
5812 ev_view_hide_cursor (EvView *view)
5814 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
5818 ev_view_show_cursor (EvView *view)
5820 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
5824 ev_view_reset_presentation_state (EvView *view)
5826 if (!view->presentation ||
5827 view->presentation_state == EV_PRESENTATION_NORMAL)
5830 view->presentation_state = EV_PRESENTATION_NORMAL;
5831 gdk_window_set_background (view->layout.bin_window,
5832 >K_WIDGET (view)->style->black);
5833 gtk_widget_queue_draw (GTK_WIDGET (view));
5837 ev_view_next_page (EvView *view)
5841 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5843 if (!view->page_cache)
5846 if (view->presentation &&
5847 (view->presentation_state == EV_PRESENTATION_BLACK ||
5848 view->presentation_state == EV_PRESENTATION_WHITE)) {
5849 ev_view_reset_presentation_state (view);
5853 if (view->animation) {
5854 ev_view_transition_animation_finish (view->animation, view);
5858 ev_view_presentation_transition_stop (view);
5859 ev_view_reset_presentation_state (view);
5861 page = ev_page_cache_get_current_page (view->page_cache);
5862 n_pages = ev_page_cache_get_n_pages (view->page_cache);
5864 if (view->dual_page && !view->presentation)
5869 if (page < n_pages) {
5870 ev_page_cache_set_current_page (view->page_cache, page);
5872 } else if (view->presentation && page == n_pages) {
5873 view->presentation_state = EV_PRESENTATION_END;
5874 gtk_widget_queue_draw (GTK_WIDGET (view));
5876 } else if (view->dual_page && page == n_pages) {
5877 ev_page_cache_set_current_page (view->page_cache, page - 1);
5885 ev_view_previous_page (EvView *view)
5889 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
5891 if (!view->page_cache)
5894 if (view->presentation &&
5895 view->presentation_state == EV_PRESENTATION_END) {
5896 ev_view_reset_presentation_state (view);
5900 if (view->presentation &&
5901 (view->presentation_state == EV_PRESENTATION_BLACK ||
5902 view->presentation_state == EV_PRESENTATION_WHITE)) {
5903 ev_view_reset_presentation_state (view);
5907 if (view->animation) {
5908 ev_view_transition_animation_finish (view->animation, view);
5912 ev_view_reset_presentation_state (view);
5914 page = ev_page_cache_get_current_page (view->page_cache);
5916 if (view->dual_page && !view->presentation)
5922 ev_page_cache_set_current_page (view->page_cache, page);
5924 } else if (ev_view_get_dual_page (view) && page == -1) {
5925 ev_page_cache_set_current_page (view->page_cache, 0);
5932 /*** Enum description for usage in signal ***/
5935 ev_sizing_mode_get_type (void)
5937 static GType etype = 0;
5939 static const GEnumValue values[] = {
5940 { EV_SIZING_FIT_WIDTH, "EV_SIZING_FIT_WIDTH", "fit-width" },
5941 { EV_SIZING_BEST_FIT, "EV_SIZING_BEST_FIT", "best-fit" },
5942 { EV_SIZING_FREE, "EV_SIZING_FREE", "free" },
5945 etype = g_enum_register_static ("EvSizingMode", values);
5951 ev_scroll_type_get_type (void)
5953 static GType etype = 0;
5955 static const GEnumValue values[] = {
5956 { EV_SCROLL_PAGE_FORWARD, "EV_SCROLL_PAGE_FORWARD", "scroll-page-forward" },
5957 { EV_SCROLL_PAGE_BACKWARD, "EV_SCROLL_PAGE_BACKWARD", "scroll-page-backward" },
5958 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
5959 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
5960 { EV_SCROLL_STEP_UP, "EV_SCROLL_STEP_UP", "scroll-step-up" },
5961 { EV_SCROLL_STEP_DOWN, "EV_SCROLL_STEP_DOWN", "scroll-step-down" },
5964 etype = g_enum_register_static ("EvScrollType", values);
5970 ev_view_update_view_size (EvView *view, GtkScrolledWindow * scrolled_window)
5973 GtkRequisition vsb_requisition;
5974 GtkRequisition hsb_requisition;
5975 int scrollbar_spacing;
5977 /* Calculate the width available for the content */
5978 width = GTK_WIDGET (scrolled_window)->allocation.width;
5979 height = GTK_WIDGET (scrolled_window)->allocation.height;
5981 if (gtk_scrolled_window_get_shadow_type (scrolled_window) == GTK_SHADOW_IN
5983 width -= 2 * GTK_WIDGET(view)->style->xthickness;
5984 height -= 2 * GTK_WIDGET(view)->style->ythickness;
5987 gtk_widget_size_request (scrolled_window->vscrollbar, &vsb_requisition);
5988 gtk_widget_size_request (scrolled_window->hscrollbar, &hsb_requisition);
5989 gtk_widget_style_get (GTK_WIDGET (scrolled_window),
5990 "scrollbar_spacing",
5994 if (EV_IS_VIEW(view)) {
5995 ev_view_set_zoom_for_size (EV_VIEW (view),
5998 vsb_requisition.width + scrollbar_spacing,
5999 hsb_requisition.height + scrollbar_spacing);