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.
24 #include <gtk/gtkalignment.h>
25 #include <glib/gi18n.h>
26 #include <gtk/gtkbindings.h>
27 #include <gtk/gtkselection.h>
28 #include <gtk/gtkclipboard.h>
29 #include <gdk/gdkkeysyms.h>
30 #include <libgnomevfs/gnome-vfs-utils.h>
32 #include "ev-marshal.h"
34 #include "ev-view-private.h"
36 #include "ev-selection.h"
37 #include "ev-document-links.h"
38 #include "ev-document-find.h"
39 #include "ev-document-transition.h"
40 #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-tooltip.h"
46 #include "ev-application.h"
48 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
49 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
50 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
68 SIGNAL_BINDING_ACTIVATED,
80 TARGET_TEXT_BUFFER_CONTENTS
83 static const GtkTargetEntry clipboard_targets[] = {
84 { "STRING", 0, TARGET_STRING },
85 { "TEXT", 0, TARGET_TEXT },
86 { "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT },
87 { "UTF8_STRING", 0, TARGET_UTF8_STRING },
90 static const GtkTargetEntry view_drop_targets[] = {
91 { "text/uri-list", 0, 0 }
94 static guint signals[N_SIGNALS];
99 } EvViewFindDirection;
101 #define ZOOM_IN_FACTOR 1.2
102 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
104 #define MIN_SCALE 0.05409
105 #define MAX_SCALE 4.0
107 #define SCROLL_TIME 150
110 static void scroll_to_current_page (EvView *view,
111 GtkOrientation orientation);
112 static void ev_view_set_scroll_adjustments (EvView *view,
113 GtkAdjustment *hadjustment,
114 GtkAdjustment *vadjustment);
115 static void view_update_range_and_current_page (EvView *view);
116 static void set_scroll_adjustment (EvView *view,
117 GtkOrientation orientation,
118 GtkAdjustment *adjustment);
119 static void ev_view_set_scroll_adjustments (EvView *view,
120 GtkAdjustment *hadjustment,
121 GtkAdjustment *vadjustment);
122 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
124 GdkModifierType modifiers,
126 gboolean horizontal);
127 static void ensure_rectangle_is_visible (EvView *view,
130 /*** Geometry computations ***/
131 static void compute_border (EvView *view,
135 static void get_page_y_offset (EvView *view,
139 static gboolean get_page_extents (EvView *view,
141 GdkRectangle *page_area,
143 static void view_rect_to_doc_rect (EvView *view,
144 GdkRectangle *view_rect,
145 GdkRectangle *page_area,
146 EvRectangle *doc_rect);
147 static void doc_rect_to_view_rect (EvView *view,
149 EvRectangle *doc_rect,
150 GdkRectangle *view_rect);
151 static void find_page_at_location (EvView *view,
157 static gboolean doc_point_to_view_point (EvView *view,
160 GdkPoint *view_point);
162 static EvLink * ev_view_get_link_at_location (EvView *view,
165 static char* tip_from_link (EvView *view,
167 static void handle_link_over_xy (EvView *view,
170 /*** GtkWidget implementation ***/
171 static void ev_view_size_request_continuous_dual_page (EvView *view,
172 GtkRequisition *requisition);
173 static void ev_view_size_request_continuous (EvView *view,
174 GtkRequisition *requisition);
175 static void ev_view_size_request_dual_page (EvView *view,
176 GtkRequisition *requisition);
177 static void ev_view_size_request_single_page (EvView *view,
178 GtkRequisition *requisition);
179 static void ev_view_size_request (GtkWidget *widget,
180 GtkRequisition *requisition);
181 static void ev_view_size_allocate (GtkWidget *widget,
182 GtkAllocation *allocation);
183 static void ev_view_realize (GtkWidget *widget);
184 static gboolean ev_view_scroll_event (GtkWidget *widget,
185 GdkEventScroll *event);
186 static gboolean ev_view_expose_event (GtkWidget *widget,
187 GdkEventExpose *event);
188 static gboolean ev_view_popup_menu (GtkWidget *widget);
189 static gboolean ev_view_button_press_event (GtkWidget *widget,
190 GdkEventButton *event);
191 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
192 GdkEventMotion *event);
193 static gboolean ev_view_button_release_event (GtkWidget *widget,
194 GdkEventButton *event);
195 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
196 GdkEventCrossing *event);
197 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
198 GdkEventCrossing *event);
199 static void ev_view_style_set (GtkWidget *widget,
200 GtkStyle *old_style);
202 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
205 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
206 static void draw_rubberband (GtkWidget *widget,
208 const GdkRectangle *rect,
210 static void highlight_find_results (EvView *view,
212 static void draw_one_page (EvView *view,
214 GdkRectangle *page_area,
216 GdkRectangle *expose_area,
217 gboolean *page_ready);
218 static void draw_loading_text (EvView *view,
219 GdkRectangle *page_area,
220 GdkRectangle *expose_area);
223 static void find_changed_cb (EvDocument *document,
226 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
228 static void page_changed_cb (EvPageCache *page_cache,
231 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
235 static void ev_view_finalize (GObject *object);
236 static void ev_view_destroy (GtkObject *object);
237 static void ev_view_set_property (GObject *object,
241 static void ev_view_get_property (GObject *object,
245 static void ev_view_class_init (EvViewClass *class);
246 static void ev_view_init (EvView *view);
248 /*** Zoom and sizing ***/
249 static double zoom_for_size_fit_width (int doc_width,
254 static double zoom_for_size_fit_height (int doc_width,
259 static double zoom_for_size_best_fit (int doc_width,
265 static void ev_view_zoom_for_size_presentation (EvView *view,
268 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
273 static void ev_view_zoom_for_size_continuous (EvView *view,
278 static void ev_view_zoom_for_size_dual_page (EvView *view,
283 static void ev_view_zoom_for_size_single_page (EvView *view,
289 static GdkCursor* ev_view_create_invisible_cursor (void);
290 static void ev_view_set_cursor (EvView *view,
291 EvViewCursor new_cursor);
293 /*** Status messages ***/
294 static void ev_view_set_status (EvView *view,
295 const char *message);
296 static void update_find_status_message (EvView *view,
298 static void ev_view_set_find_status (EvView *view,
299 const char *message);
301 static void jump_to_find_result (EvView *view);
302 static void jump_to_find_page (EvView *view,
303 EvViewFindDirection direction,
307 static void compute_selections (EvView *view,
310 static void clear_selection (EvView *view);
311 static void selection_free (EvViewSelection *selection);
312 static char* get_selected_text (EvView *ev_view);
313 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
314 GtkSelectionData *selection_data,
317 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
319 static void ev_view_update_primary_selection (EvView *ev_view);
321 /*** Presentation ***/
322 static void ev_view_presentation_transition_start (EvView *ev_view);
323 static void ev_view_presentation_transition_stop (EvView *ev_view);
326 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_WIDGET)
329 scroll_to_current_page (EvView *view, GtkOrientation orientation)
333 if (view->document == NULL) {
337 doc_point_to_view_point (view, view->current_page, &view->pending_point, &view_point);
339 if (orientation == GTK_ORIENTATION_VERTICAL) {
340 view->pending_point.y = 0;
342 view->pending_point.x = 0;
345 if (orientation == GTK_ORIENTATION_VERTICAL) {
346 if (view->continuous) {
347 gtk_adjustment_clamp_page (view->vadjustment,
348 view_point.y - view->spacing / 2,
349 view_point.y + view->vadjustment->page_size);
351 gtk_adjustment_set_value (view->vadjustment,
353 view->vadjustment->lower,
354 view->vadjustment->upper -
355 view->vadjustment->page_size));
358 if (view->dual_page) {
359 gtk_adjustment_clamp_page (view->hadjustment,
361 view_point.x + view->hadjustment->page_size);
363 gtk_adjustment_set_value (view->hadjustment,
365 view->hadjustment->lower,
366 view->hadjustment->upper -
367 view->hadjustment->page_size));
373 view_set_adjustment_values (EvView *view,
374 GtkOrientation orientation)
376 GtkWidget *widget = GTK_WIDGET (view);
377 GtkAdjustment *adjustment;
384 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
385 requisition = widget->requisition.width;
386 allocation = widget->allocation.width;
387 adjustment = view->hadjustment;
389 requisition = widget->requisition.height;
390 allocation = widget->allocation.height;
391 adjustment = view->vadjustment;
398 switch (view->pending_scroll) {
399 case SCROLL_TO_KEEP_POSITION:
400 case SCROLL_TO_FIND_LOCATION:
401 factor = (adjustment->value) / adjustment->upper;
403 case SCROLL_TO_PAGE_POSITION:
405 case SCROLL_TO_CENTER:
406 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
410 adjustment->page_size = allocation;
411 adjustment->step_increment = allocation * 0.1;
412 adjustment->page_increment = allocation * 0.9;
413 adjustment->lower = 0;
414 adjustment->upper = MAX (allocation, requisition);
417 * We add 0.5 to the values before to average out our rounding errors.
419 switch (view->pending_scroll) {
420 case SCROLL_TO_KEEP_POSITION:
421 case SCROLL_TO_FIND_LOCATION:
422 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
423 gtk_adjustment_set_value (adjustment, (int)new_value);
425 case SCROLL_TO_PAGE_POSITION:
426 scroll_to_current_page (view, orientation);
428 case SCROLL_TO_CENTER:
429 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
430 0, adjustment->upper - adjustment->page_size);
431 gtk_adjustment_set_value (adjustment, (int)new_value);
435 gtk_adjustment_changed (adjustment);
439 view_update_range_and_current_page (EvView *view)
442 gint best_current_page = -1;
444 /* Presentation trumps all other modes */
445 if (view->presentation) {
446 view->start_page = view->current_page;
447 view->end_page = view->current_page;
448 } else if (view->continuous) {
449 GdkRectangle current_area, unused, page_area;
451 gboolean found = FALSE;
452 gint area_max = -1, area;
455 if (!(view->vadjustment && view->hadjustment))
458 current_area.x = view->hadjustment->value;
459 current_area.width = view->hadjustment->upper;
460 current_area.y = view->vadjustment->value;
461 current_area.height = view->vadjustment->page_size;
463 for (i = 0; i < ev_page_cache_get_n_pages (view->page_cache); i++) {
465 get_page_extents (view, i, &page_area, &border);
467 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
468 area = unused.width * unused.height;
472 view->start_page = i;
474 best_current_page = i;
476 if (area > area_max) {
477 best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
487 } else if (view->dual_page) {
488 if (view->current_page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) {
489 view->start_page = view->current_page;
490 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache))
491 view->end_page = view->start_page + 1;
493 view->end_page = view->start_page;
495 if (view->current_page < 1)
496 view->start_page = view->current_page;
498 view->start_page = view->current_page - 1;
499 view->end_page = view->current_page;
502 view->start_page = view->current_page;
503 view->end_page = view->current_page;
506 best_current_page = MAX (best_current_page, view->start_page);
507 current_page = ev_page_cache_get_current_page (view->page_cache);
509 if ((current_page != best_current_page) && (view->pending_scroll == SCROLL_TO_KEEP_POSITION)) {
510 view->current_page = best_current_page;
511 ev_page_cache_set_current_page (view->page_cache, best_current_page);
514 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
519 view->selection_info.selections);
523 set_scroll_adjustment (EvView *view,
524 GtkOrientation orientation,
525 GtkAdjustment *adjustment)
527 GtkAdjustment **to_set;
529 if (orientation == GTK_ORIENTATION_HORIZONTAL)
530 to_set = &view->hadjustment;
532 to_set = &view->vadjustment;
534 if (*to_set != adjustment) {
536 g_signal_handlers_disconnect_by_func (*to_set,
537 (gpointer) on_adjustment_value_changed,
539 g_object_unref (*to_set);
542 *to_set = adjustment;
543 view_set_adjustment_values (view, orientation);
546 g_object_ref (*to_set);
547 g_signal_connect (*to_set, "value_changed",
548 G_CALLBACK (on_adjustment_value_changed), view);
554 ev_view_set_scroll_adjustments (EvView *view,
555 GtkAdjustment *hadjustment,
556 GtkAdjustment *vadjustment)
558 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
559 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
561 on_adjustment_value_changed (NULL, view);
565 add_scroll_binding_keypad (GtkBindingSet *binding_set,
567 GdkModifierType modifiers,
571 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
573 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
574 "binding_activated", 2,
575 EV_TYPE_SCROLL_TYPE, scroll,
576 G_TYPE_BOOLEAN, horizontal);
577 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
578 "binding_activated", 2,
579 EV_TYPE_SCROLL_TYPE, scroll,
580 G_TYPE_BOOLEAN, horizontal);
584 ev_view_scroll (EvView *view,
588 GtkAdjustment *adjustment;
589 double value, increment;
590 gboolean first_page = FALSE;
591 gboolean last_page = FALSE;
593 view->jump_to_find_result = FALSE;
595 if (view->presentation || view->sizing_mode == EV_SIZING_BEST_FIT) {
597 case EV_SCROLL_PAGE_BACKWARD:
598 case EV_SCROLL_STEP_BACKWARD:
599 ev_view_previous_page (view);
601 case EV_SCROLL_PAGE_FORWARD:
602 case EV_SCROLL_STEP_FORWARD:
603 ev_view_next_page (view);
611 /* Assign values for increment and vertical adjustment */
612 adjustment = horizontal ? view->hadjustment : view->vadjustment;
613 increment = adjustment->page_size * 0.75;
614 value = adjustment->value;
616 /* Assign boolean for first and last page */
617 if (view->current_page == 0)
619 if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1)
623 case EV_SCROLL_PAGE_BACKWARD:
624 /* Do not jump backwards if at the first page */
625 if (value == (adjustment->lower) && first_page) {
627 /* At the top of a page, assign the upper bound limit of previous page */
628 } else if (value == (adjustment->lower)) {
629 value = adjustment->upper - adjustment->page_size;
630 ev_view_previous_page (view);
631 /* Jump to the top */
633 value = MAX (value - increment, adjustment->lower);
636 case EV_SCROLL_PAGE_FORWARD:
637 /* Do not jump forward if at the last page */
638 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
640 /* At the bottom of a page, assign the lower bound limit of next page */
641 } else if (value == (adjustment->upper - adjustment->page_size)) {
643 ev_view_next_page (view);
644 /* Jump to the bottom */
646 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
649 case EV_SCROLL_STEP_BACKWARD:
650 value -= adjustment->step_increment;
652 case EV_SCROLL_STEP_FORWARD:
653 value += adjustment->step_increment;
655 case EV_SCROLL_STEP_DOWN:
656 value -= adjustment->step_increment / 10;
658 case EV_SCROLL_STEP_UP:
659 value += adjustment->step_increment / 10;
665 value = CLAMP (value, adjustment->lower,
666 adjustment->upper - adjustment->page_size);
668 gtk_adjustment_set_value (adjustment, value);
674 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
676 GtkWidget *widget = GTK_WIDGET (view);
677 GtkAdjustment *adjustment;
680 view->pending_scroll = SCROLL_TO_FIND_LOCATION;
682 adjustment = view->vadjustment;
684 if (rect->y < adjustment->value) {
685 value = MAX (adjustment->lower, rect->y - MARGIN);
686 gtk_adjustment_set_value (view->vadjustment, value);
687 } else if (rect->y + rect->height >
688 adjustment->value + widget->allocation.height) {
689 value = MIN (adjustment->upper, rect->y + rect->height -
690 widget->allocation.height + MARGIN);
691 gtk_adjustment_set_value (view->vadjustment, value);
694 adjustment = view->hadjustment;
696 if (rect->x < adjustment->value) {
697 value = MAX (adjustment->lower, rect->x - MARGIN);
698 gtk_adjustment_set_value (view->hadjustment, value);
699 } else if (rect->x + rect->height >
700 adjustment->value + widget->allocation.width) {
701 value = MIN (adjustment->upper, rect->x + rect->width -
702 widget->allocation.width + MARGIN);
703 gtk_adjustment_set_value (view->hadjustment, value);
706 gtk_widget_queue_resize (GTK_WIDGET (view));
709 /*** Geometry computations ***/
712 compute_border (EvView *view, int width, int height, GtkBorder *border)
714 if (view->presentation) {
720 ev_document_misc_get_page_border_size (width, height, border);
725 get_page_y_offset (EvView *view, int page, double zoom, int *y_offset)
727 int max_width, offset;
730 g_return_if_fail (y_offset != NULL);
732 ev_page_cache_get_max_width (view->page_cache, view->rotation, zoom, &max_width);
734 compute_border (view, max_width, max_width, &border);
736 if (view->dual_page) {
737 ev_page_cache_get_height_to_page (view->page_cache, page,
738 view->rotation, zoom, NULL, &offset);
739 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);
741 ev_page_cache_get_height_to_page (view->page_cache, page,
742 view->rotation, zoom, &offset, NULL);
743 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
751 get_page_extents (EvView *view,
753 GdkRectangle *page_area,
759 widget = GTK_WIDGET (view);
761 /* Get the size of the page */
762 ev_page_cache_get_size (view->page_cache, page,
766 compute_border (view, width, height, border);
767 page_area->width = width + border->left + border->right;
768 page_area->height = height + border->top + border->bottom;
770 if (view->presentation) {
771 page_area->x = (MAX (0, widget->allocation.width - width))/2;
772 page_area->y = (MAX (0, widget->allocation.height - height))/2;
773 } else if (view->continuous) {
777 ev_page_cache_get_max_width (view->page_cache, view->rotation,
778 view->scale, &max_width);
779 max_width = max_width + border->left + border->right;
780 /* Get the location of the bounding box */
781 if (view->dual_page) {
782 x = view->spacing + ((page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? 0 : 1) * (max_width + view->spacing);
783 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
784 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
785 x = x + (max_width - width - border->left - border->right);
788 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
791 get_page_y_offset (view, page, view->scale, &y);
797 if (view->dual_page) {
798 gint width_2, height_2;
799 gint max_width = width;
800 gint max_height = height;
801 GtkBorder overall_border;
804 other_page = (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? page + 1: page - 1;
806 /* First, we get the bounding box of the two pages */
807 if (other_page < ev_page_cache_get_n_pages (view->page_cache)
808 && (0 <= other_page)) {
809 ev_page_cache_get_size (view->page_cache,
813 &width_2, &height_2);
816 if (height_2 > height)
817 max_height = height_2;
819 compute_border (view, max_width, max_height, &overall_border);
821 /* Find the offsets */
825 /* Adjust for being the left or right page */
826 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
827 x = x + max_width - width;
829 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
831 y = y + (max_height - height)/2;
833 /* Adjust for extra allocation */
834 x = x + MAX (0, widget->allocation.width -
835 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
836 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
841 /* Adjust for extra allocation */
842 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
843 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
854 view_point_to_doc_point (EvView *view,
855 GdkPoint *view_point,
856 GdkRectangle *page_area,
860 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
861 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
865 view_rect_to_doc_rect (EvView *view,
866 GdkRectangle *view_rect,
867 GdkRectangle *page_area,
868 EvRectangle *doc_rect)
870 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
871 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
872 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
873 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
877 doc_point_to_view_point (EvView *view,
880 GdkPoint *view_point)
882 GdkRectangle page_area;
884 double x, y, view_x, view_y;
887 ev_page_cache_get_size (view->page_cache, page,
892 if (view->rotation == 0) {
895 } else if (view->rotation == 90) {
896 x = width - doc_point->y;
898 } else if (view->rotation == 180) {
899 x = width - doc_point->x;
900 y = height - doc_point->y;
901 } else if (view->rotation == 270) {
903 y = height - doc_point->x;
905 g_assert_not_reached ();
908 get_page_extents (view, page, &page_area, &border);
910 view_x = x * view->scale;
911 view_y = y * view->scale;
912 view_point->x = view_x + page_area.x;
913 view_point->y = view_y + page_area.y;
915 return (view_x > 0 && view_x <= page_area.width &&
916 view_y > 0 && view_y <= page_area.height);
920 doc_rect_to_view_rect (EvView *view,
922 EvRectangle *doc_rect,
923 GdkRectangle *view_rect)
925 GdkRectangle page_area;
930 ev_page_cache_get_size (view->page_cache, page,
935 if (view->rotation == 0) {
938 w = doc_rect->x2 - doc_rect->x1;
939 h = doc_rect->y2 - doc_rect->y1;
940 } else if (view->rotation == 90) {
941 x = width - doc_rect->y2;
943 w = doc_rect->y2 - doc_rect->y1;
944 h = doc_rect->x2 - doc_rect->x1;
945 } else if (view->rotation == 180) {
946 x = width - doc_rect->x2;
947 y = height - doc_rect->y2;
948 w = doc_rect->x2 - doc_rect->x1;
949 h = doc_rect->y2 - doc_rect->y1;
950 } else if (view->rotation == 270) {
952 y = height - doc_rect->x2;
953 w = doc_rect->y2 - doc_rect->y1;
954 h = doc_rect->x2 - doc_rect->x1;
956 g_assert_not_reached ();
959 get_page_extents (view, page, &page_area, &border);
961 view_rect->x = x * view->scale + page_area.x;
962 view_rect->y = y * view->scale + page_area.y;
963 view_rect->width = w * view->scale;
964 view_rect->height = h * view->scale;
968 find_page_at_location (EvView *view,
977 if (view->document == NULL)
984 for (i = view->start_page; i <= view->end_page; i++) {
985 GdkRectangle page_area;
988 if (! get_page_extents (view, i, &page_area, &border))
991 if ((x >= page_area.x + border.left) &&
992 (x < page_area.x + page_area.width - border.right) &&
993 (y >= page_area.y + border.top) &&
994 (y < page_area.y + page_area.height - border.bottom)) {
996 *x_offset = x - (page_area.x + border.left);
997 *y_offset = y - (page_area.y + border.top);
1006 location_in_text (EvView *view,
1012 gint x_offset = 0, y_offset = 0;
1014 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1019 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
1022 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1028 ev_view_get_width (EvView *view)
1030 return GTK_WIDGET (view)->allocation.width;
1034 ev_view_get_height (EvView *view)
1036 return GTK_WIDGET (view)->allocation.height;
1040 location_in_selected_text (EvView *view,
1045 gint x_offset = 0, y_offset = 0;
1046 EvViewSelection *selection;
1049 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1050 selection = (EvViewSelection *)l->data;
1052 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1054 if (page != selection->page)
1057 if (selection->covered_region &&
1058 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1066 get_doc_point_from_offset (EvView *view,
1076 ev_page_cache_get_size (view->page_cache, page,
1081 x_offset = x_offset / view->scale;
1082 y_offset = y_offset / view->scale;
1084 if (view->rotation == 0) {
1087 } else if (view->rotation == 90) {
1089 y = width - x_offset;
1090 } else if (view->rotation == 180) {
1091 x = width - x_offset;
1092 y = height - y_offset;
1093 } else if (view->rotation == 270) {
1094 x = height - y_offset;
1097 g_assert_not_reached ();
1108 ev_view_get_link_at_location (EvView *view,
1113 gint x_offset = 0, y_offset = 0;
1114 gint x_new = 0, y_new = 0;
1115 GList *link_mapping;
1117 x += view->scroll_x;
1118 y += view->scroll_y;
1120 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1126 if (get_doc_point_from_offset (view, page, x_offset,
1127 y_offset, &x_new, &y_new) == FALSE)
1130 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1133 return ev_link_mapping_find (link_mapping, x_new, y_new);
1139 goto_fitr_dest (EvView *view, EvLinkDest *dest)
1144 zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - ev_link_dest_get_left (dest),
1145 ev_link_dest_get_bottom (dest) - ev_link_dest_get_top (dest),
1146 ev_view_get_width (view),
1147 ev_view_get_height (view), 0, 0);
1149 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1150 ev_view_set_zoom (view, zoom, FALSE);
1152 doc_point.x = ev_link_dest_get_left (dest);
1153 doc_point.y = ev_link_dest_get_top (dest);
1155 view->current_page = ev_link_dest_get_page (dest);
1156 view->pending_point = doc_point;
1157 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1159 gtk_widget_queue_resize (GTK_WIDGET (view));
1163 goto_fitv_dest (EvView *view, EvLinkDest *dest)
1166 int doc_width, doc_height, page;
1169 page = ev_link_dest_get_page (dest);
1170 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1172 doc_point.x = ev_link_dest_get_left (dest);
1175 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1176 ev_view_get_width (view),
1177 ev_view_get_height (view), 0);
1179 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1180 ev_view_set_zoom (view, zoom, FALSE);
1182 view->current_page = page;
1183 view->pending_point = doc_point;
1184 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1186 gtk_widget_queue_resize (GTK_WIDGET (view));
1190 goto_fith_dest (EvView *view, EvLinkDest *dest)
1193 int doc_width, doc_height, page;
1196 page = ev_link_dest_get_page (dest);
1197 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1200 doc_point.y = ev_link_dest_get_top (dest);
1202 zoom = zoom_for_size_fit_width (doc_width, ev_link_dest_get_top (dest),
1203 ev_view_get_width (view),
1204 ev_view_get_height (view), 0);
1206 ev_view_set_sizing_mode (view, EV_SIZING_FIT_WIDTH);
1207 ev_view_set_zoom (view, zoom, FALSE);
1209 view->current_page = page;
1210 view->pending_point = doc_point;
1211 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1213 gtk_widget_queue_resize (GTK_WIDGET (view));
1217 goto_fit_dest (EvView *view, EvLinkDest *dest)
1220 int doc_width, doc_height;
1223 page = ev_link_dest_get_page (dest);
1224 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1226 zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view),
1227 ev_view_get_height (view), 0, 0);
1229 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
1230 ev_view_set_zoom (view, zoom, FALSE);
1232 view->current_page = page;
1233 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1235 gtk_widget_queue_resize (GTK_WIDGET (view));
1239 goto_xyz_dest (EvView *view, EvLinkDest *dest)
1245 zoom = ev_link_dest_get_zoom (dest);
1246 page = ev_link_dest_get_page (dest);
1249 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1250 ev_view_set_zoom (view, zoom, FALSE);
1253 doc_point.x = ev_link_dest_get_left (dest);
1254 doc_point.y = ev_link_dest_get_top (dest);
1256 view->current_page = page;
1257 view->pending_point = doc_point;
1258 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1260 gtk_widget_queue_resize (GTK_WIDGET (view));
1264 goto_dest (EvView *view, EvLinkDest *dest)
1266 EvLinkDestType type;
1267 int page, n_pages, current_page;
1269 page = ev_link_dest_get_page (dest);
1270 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1272 if (page < 0 || page >= n_pages)
1275 current_page = view->current_page;
1277 type = ev_link_dest_get_dest_type (dest);
1280 case EV_LINK_DEST_TYPE_PAGE:
1281 ev_page_cache_set_current_page (view->page_cache, page);
1283 case EV_LINK_DEST_TYPE_FIT:
1284 goto_fit_dest (view, dest);
1286 case EV_LINK_DEST_TYPE_FITH:
1287 goto_fith_dest (view, dest);
1289 case EV_LINK_DEST_TYPE_FITV:
1290 goto_fitv_dest (view, dest);
1292 case EV_LINK_DEST_TYPE_FITR:
1293 goto_fitr_dest (view, dest);
1295 case EV_LINK_DEST_TYPE_XYZ:
1296 goto_xyz_dest (view, dest);
1298 case EV_LINK_DEST_TYPE_PAGE_LABEL:
1299 ev_page_cache_set_page_label (view->page_cache, ev_link_dest_get_page_label (dest));
1302 g_assert_not_reached ();
1305 if (current_page != view->current_page)
1306 ev_page_cache_set_current_page (view->page_cache,
1307 view->current_page);
1311 ev_view_goto_dest (EvView *view, EvLinkDest *dest)
1313 EvLinkDestType type;
1315 type = ev_link_dest_get_dest_type (dest);
1317 if (type == EV_LINK_DEST_TYPE_NAMED) {
1319 const gchar *named_dest;
1321 named_dest = ev_link_dest_get_named_dest (dest);
1322 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1325 goto_dest (view, dest2);
1326 g_object_unref (dest2);
1332 goto_dest (view, dest);
1336 ev_view_handle_link (EvView *view, EvLink *link)
1338 EvLinkAction *action = NULL;
1339 EvLinkActionType type;
1341 action = ev_link_get_action (link);
1345 type = ev_link_action_get_action_type (action);
1348 case EV_LINK_ACTION_TYPE_GOTO_DEST: {
1351 dest = ev_link_action_get_dest (action);
1352 ev_view_goto_dest (view, dest);
1355 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1356 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1357 case EV_LINK_ACTION_TYPE_LAUNCH:
1358 case EV_LINK_ACTION_TYPE_NAMED:
1359 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
1365 page_label_from_dest (EvView *view, EvLinkDest *dest)
1367 EvLinkDestType type;
1370 type = ev_link_dest_get_dest_type (dest);
1373 case EV_LINK_DEST_TYPE_NAMED: {
1375 const gchar *named_dest;
1377 named_dest = ev_link_dest_get_named_dest (dest);
1378 dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
1381 msg = ev_page_cache_get_page_label (view->page_cache,
1382 ev_link_dest_get_page (dest2));
1383 g_object_unref (dest2);
1389 msg = ev_page_cache_get_page_label (view->page_cache,
1390 ev_link_dest_get_page (dest));
1397 tip_from_action_named (EvLinkAction *action)
1399 const gchar *name = ev_link_action_get_name (action);
1401 if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
1402 return g_strdup (_("Go to first page"));
1403 } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
1404 return g_strdup (_("Go to previous page"));
1405 } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
1406 return g_strdup (_("Go to next page"));
1407 } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
1408 return g_strdup (_("Go to last page"));
1409 } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
1410 return g_strdup (_("Go to page"));
1411 } else if (g_ascii_strcasecmp (name, "Find") == 0) {
1412 return g_strdup (_("Find"));
1419 tip_from_link (EvView *view, EvLink *link)
1421 EvLinkAction *action;
1422 EvLinkActionType type;
1427 action = ev_link_get_action (link);
1428 title = ev_link_get_title (link);
1431 return title ? g_strdup (title) : NULL;
1433 type = ev_link_action_get_action_type (action);
1436 case EV_LINK_ACTION_TYPE_GOTO_DEST:
1437 page_label = page_label_from_dest (view,
1438 ev_link_action_get_dest (action));
1439 msg = g_strdup_printf (_("Go to page %s"), page_label);
1440 g_free (page_label);
1442 case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
1444 msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
1445 ev_link_action_get_filename (action));
1447 msg = g_strdup_printf (_("Go to file “%s”"),
1448 ev_link_action_get_filename (action));
1452 case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
1453 msg = g_strdup (ev_link_action_get_uri (action));
1455 case EV_LINK_ACTION_TYPE_LAUNCH:
1456 msg = g_strdup_printf (_("Launch %s"),
1457 ev_link_action_get_filename (action));
1459 case EV_LINK_ACTION_TYPE_NAMED:
1460 msg = tip_from_action_named (action);
1464 msg = g_strdup (title);
1472 handle_link_over_xy (EvView *view, gint x, gint y)
1476 link = ev_view_get_link_at_location (view, x, y);
1478 if (view->link_tooltip == NULL) {
1479 view->link_tooltip = ev_tooltip_new (GTK_WIDGET (view));
1482 if (view->hovered_link != link) {
1483 view->hovered_link = link;
1484 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
1488 char *msg = tip_from_link (view, link);
1490 if (msg && g_utf8_validate (msg, -1, NULL)) {
1491 EvTooltip *tooltip = EV_TOOLTIP (view->link_tooltip);
1493 ev_tooltip_set_position (tooltip, x, y);
1494 ev_tooltip_set_text (tooltip, msg);
1495 ev_tooltip_activate (tooltip);
1499 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1500 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1501 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1503 ev_view_set_status (view, NULL);
1504 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1505 view->cursor == EV_VIEW_CURSOR_IBEAM)
1506 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1511 /*** GtkWidget implementation ***/
1514 ev_view_size_request_continuous_dual_page (EvView *view,
1515 GtkRequisition *requisition)
1521 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1522 view->scale, &max_width);
1523 compute_border (view, max_width, max_width, &border);
1525 n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1;
1527 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
1528 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1530 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1531 requisition->width = 1;
1532 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1533 requisition->width = 1;
1534 /* FIXME: This could actually be set on one page docs or docs
1535 * with a strange aspect ratio. */
1536 /* requisition->height = 1;*/
1541 ev_view_size_request_continuous (EvView *view,
1542 GtkRequisition *requisition)
1549 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1550 view->scale, &max_width);
1551 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1552 compute_border (view, max_width, max_width, &border);
1554 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
1555 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1557 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1558 requisition->width = 1;
1559 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1560 requisition->width = 1;
1561 /* FIXME: This could actually be set on one page docs or docs
1562 * with a strange aspect ratio. */
1563 /* requisition->height = 1;*/
1568 ev_view_size_request_dual_page (EvView *view,
1569 GtkRequisition *requisition)
1574 /* Find the largest of the two. */
1575 ev_page_cache_get_size (view->page_cache,
1580 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) {
1581 gint width_2, height_2;
1582 ev_page_cache_get_size (view->page_cache,
1583 view->current_page + 1,
1586 &width_2, &height_2);
1587 if (width_2 > width) {
1592 compute_border (view, width, height, &border);
1594 requisition->width = ((width + border.left + border.right) * 2) +
1595 (view->spacing * 3);
1596 requisition->height = (height + border.top + border.bottom) +
1597 (view->spacing * 2);
1599 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1600 requisition->width = 1;
1601 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1602 requisition->width = 1;
1603 requisition->height = 1;
1608 ev_view_size_request_single_page (EvView *view,
1609 GtkRequisition *requisition)
1614 ev_page_cache_get_size (view->page_cache,
1619 compute_border (view, width, height, &border);
1621 requisition->width = width + border.left + border.right + (2 * view->spacing);
1622 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1624 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1625 requisition->width = 1;
1626 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1627 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1628 requisition->width = 1;
1629 requisition->height = 1;
1634 ev_view_size_request (GtkWidget *widget,
1635 GtkRequisition *requisition)
1637 EvView *view = EV_VIEW (widget);
1639 if (view->document == NULL) {
1640 requisition->width = 1;
1641 requisition->height = 1;
1645 if (view->presentation) {
1646 requisition->width = 1;
1647 requisition->height = 1;
1651 if (view->continuous && view->dual_page)
1652 ev_view_size_request_continuous_dual_page (view, requisition);
1653 else if (view->continuous)
1654 ev_view_size_request_continuous (view, requisition);
1655 else if (view->dual_page)
1656 ev_view_size_request_dual_page (view, requisition);
1658 ev_view_size_request_single_page (view, requisition);
1662 ev_view_size_allocate (GtkWidget *widget,
1663 GtkAllocation *allocation)
1665 EvView *view = EV_VIEW (widget);
1667 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
1668 view->sizing_mode == EV_SIZING_BEST_FIT) {
1670 g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0);
1672 ev_view_size_request (widget, &widget->requisition);
1675 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
1676 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
1679 view_update_range_and_current_page (view);
1681 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
1682 view->pending_resize = FALSE;
1684 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
1688 ev_view_realize (GtkWidget *widget)
1690 EvView *view = EV_VIEW (widget);
1691 GdkWindowAttr attributes;
1693 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
1695 attributes.window_type = GDK_WINDOW_CHILD;
1696 attributes.wclass = GDK_INPUT_OUTPUT;
1697 attributes.visual = gtk_widget_get_visual (widget);
1698 attributes.colormap = gtk_widget_get_colormap (widget);
1700 attributes.x = widget->allocation.x;
1701 attributes.y = widget->allocation.y;
1702 attributes.width = widget->allocation.width;
1703 attributes.height = widget->allocation.height;
1704 attributes.event_mask = GDK_EXPOSURE_MASK |
1705 GDK_BUTTON_PRESS_MASK |
1706 GDK_BUTTON_RELEASE_MASK |
1708 GDK_KEY_PRESS_MASK |
1709 GDK_POINTER_MOTION_MASK |
1710 GDK_POINTER_MOTION_HINT_MASK |
1711 GDK_ENTER_NOTIFY_MASK |
1712 GDK_LEAVE_NOTIFY_MASK;
1714 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
1716 GDK_WA_X | GDK_WA_Y |
1719 gdk_window_set_user_data (widget->window, widget);
1720 widget->style = gtk_style_attach (widget->style, widget->window);
1722 if (view->presentation)
1723 gdk_window_set_background (widget->window, &widget->style->black);
1725 gdk_window_set_background (widget->window, &widget->style->mid [GTK_STATE_NORMAL]);
1729 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
1731 EvView *view = EV_VIEW (widget);
1734 state = event->state & gtk_accelerator_get_default_mod_mask ();
1736 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
1737 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1739 if (event->direction == GDK_SCROLL_UP ||
1740 event->direction == GDK_SCROLL_LEFT) {
1741 if (ev_view_can_zoom_in (view)) {
1742 ev_view_zoom_in (view);
1745 if (ev_view_can_zoom_out (view)) {
1746 ev_view_zoom_out (view);
1753 view->jump_to_find_result = FALSE;
1754 /* Shift+Wheel scrolls the in the perpendicular direction */
1755 if (state & GDK_SHIFT_MASK) {
1756 if (event->direction == GDK_SCROLL_UP)
1757 event->direction = GDK_SCROLL_LEFT;
1758 if (event->direction == GDK_SCROLL_LEFT)
1759 event->direction = GDK_SCROLL_UP;
1760 if (event->direction == GDK_SCROLL_DOWN)
1761 event->direction = GDK_SCROLL_RIGHT;
1762 if (event->direction == GDK_SCROLL_RIGHT)
1763 event->direction = GDK_SCROLL_DOWN;
1765 event->state &= ~GDK_SHIFT_MASK;
1766 state &= ~GDK_SHIFT_MASK;
1769 if (state == 0 && view->presentation) {
1770 switch (event->direction) {
1771 case GDK_SCROLL_DOWN:
1772 case GDK_SCROLL_RIGHT:
1773 ev_view_next_page (view);
1776 case GDK_SCROLL_LEFT:
1777 ev_view_previous_page (view);
1787 static EvViewSelection *
1788 find_selection_for_page (EvView *view,
1793 for (list = view->selection_info.selections; list != NULL; list = list->next) {
1794 EvViewSelection *selection;
1796 selection = (EvViewSelection *) list->data;
1798 if (selection->page == page)
1806 draw_end_presentation_page (EvView *view,
1807 GdkRectangle *page_area)
1809 PangoLayout *layout;
1810 PangoFontDescription *font_desc;
1812 const gchar *text = _("End of presentation. Press Escape to exit.");
1814 if (view->presentation_state != EV_PRESENTATION_END)
1817 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), NULL);
1818 markup = g_strdup_printf ("<span foreground=\"white\">%s</span>", text);
1819 pango_layout_set_markup (layout, markup, -1);
1822 font_desc = pango_font_description_new ();
1823 pango_font_description_set_size (font_desc, 16 * PANGO_SCALE);
1824 pango_layout_set_font_description (layout, font_desc);
1826 gtk_paint_layout (GTK_WIDGET (view)->style,
1827 GTK_WIDGET (view)->window,
1828 GTK_WIDGET_STATE (view),
1837 pango_font_description_free (font_desc);
1838 g_object_unref (layout);
1842 ev_view_expose_event (GtkWidget *widget,
1843 GdkEventExpose *event)
1845 EvView *view = EV_VIEW (widget);
1848 if (view->presentation) {
1849 switch (view->presentation_state) {
1850 case EV_PRESENTATION_END: {
1851 GdkRectangle area = {0};
1853 area.width = widget->allocation.width;
1854 area.height = widget->allocation.height;
1856 draw_end_presentation_page (view, &area);
1859 case EV_PRESENTATION_BLACK:
1860 case EV_PRESENTATION_WHITE:
1862 case EV_PRESENTATION_NORMAL:
1868 if (view->loading) {
1869 GdkRectangle area = {0};
1871 area.width = widget->allocation.width;
1872 area.height = widget->allocation.height;
1874 draw_loading_text (view,
1879 if (view->document == NULL)
1882 for (i = view->start_page; i <= view->end_page; i++) {
1883 GdkRectangle page_area;
1885 gboolean page_ready = TRUE;
1887 if (!get_page_extents (view, i, &page_area, &border))
1890 page_area.x -= view->scroll_x;
1891 page_area.y -= view->scroll_y;
1893 draw_one_page (view, i, &page_area, &border, &(event->area), &page_ready);
1895 if (page_ready && EV_IS_DOCUMENT_FIND (view->document))
1896 highlight_find_results (view, i);
1903 ev_view_popup_menu (GtkWidget *widget)
1907 EvView *view = EV_VIEW (widget);
1909 gtk_widget_get_pointer (widget, &x, &y);
1910 link = ev_view_get_link_at_location (view, x, y);
1911 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
1916 ev_view_button_press_event (GtkWidget *widget,
1917 GdkEventButton *event)
1919 EvView *view = EV_VIEW (widget);
1922 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
1923 gtk_widget_grab_focus (widget);
1926 view->pressed_button = event->button;
1927 view->selection_info.in_drag = FALSE;
1929 switch (event->button) {
1931 if (view->selection_info.selections) {
1932 if (location_in_selected_text (view,
1933 event->x + view->scroll_x,
1934 event->y + view->scroll_y)) {
1935 view->selection_info.in_drag = TRUE;
1937 clear_selection (view);
1940 gtk_widget_queue_draw (widget);
1943 view->selection_info.start.x = event->x + view->scroll_x;
1944 view->selection_info.start.y = event->y + view->scroll_y;
1948 /* use root coordinates as reference point because
1949 * scrolling changes window relative coordinates */
1950 view->drag_info.start.x = event->x_root;
1951 view->drag_info.start.y = event->y_root;
1952 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
1953 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
1955 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1959 link = ev_view_get_link_at_location (view, event->x, event->y);
1960 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
1967 /*** Drag and Drop ***/
1969 ev_view_drag_data_get (GtkWidget *widget,
1970 GdkDragContext *context,
1971 GtkSelectionData *selection_data,
1975 EvView *view = EV_VIEW (widget);
1977 if (view->selection_info.selections &&
1978 ev_document_can_get_text (view->document)) {
1981 text = get_selected_text (view);
1983 gtk_selection_data_set_text (selection_data, text, strlen (text));
1990 ev_view_drag_data_received (GtkWidget *widget,
1991 GdkDragContext *context,
1994 GtkSelectionData *selection_data,
2000 GSList *uri_list = NULL;
2002 uris = gtk_selection_data_get_uris (selection_data);
2004 gtk_drag_finish (context, FALSE, FALSE, time);
2008 for (i = 0; uris[i]; i++) {
2009 uri_list = g_slist_prepend (uri_list, (gpointer) uris[i]);
2012 ev_application_open_uri_list (EV_APP, uri_list,
2013 gtk_widget_get_screen (widget),
2015 gtk_drag_finish (context, TRUE, FALSE, time);
2018 g_slist_free (uri_list);
2023 selection_update_idle_cb (EvView *view)
2025 compute_selections (view, &view->selection_info.start, &view->motion);
2026 view->selection_update_id = 0;
2031 selection_scroll_timeout_cb (EvView *view)
2033 gint x, y, shift = 0;
2034 GtkWidget *widget = GTK_WIDGET (view);
2036 gtk_widget_get_pointer (widget, &x, &y);
2038 if (y > widget->allocation.height) {
2039 shift = (y - widget->allocation.height) / 2;
2045 gtk_adjustment_set_value (view->vadjustment,
2046 CLAMP (view->vadjustment->value + shift,
2047 view->vadjustment->lower,
2048 view->vadjustment->upper -
2049 view->vadjustment->page_size));
2051 if (x > widget->allocation.width) {
2052 shift = (x - widget->allocation.width) / 2;
2058 gtk_adjustment_set_value (view->hadjustment,
2059 CLAMP (view->hadjustment->value + shift,
2060 view->hadjustment->lower,
2061 view->hadjustment->upper -
2062 view->hadjustment->page_size));
2068 ev_view_motion_notify_event (GtkWidget *widget,
2069 GdkEventMotion *event)
2071 EvView *view = EV_VIEW (widget);
2074 if (!view->document)
2077 if (event->is_hint || event->window != widget->window) {
2078 gtk_widget_get_pointer (widget, &x, &y);
2084 if (view->selection_info.in_drag) {
2085 if (gtk_drag_check_threshold (widget,
2086 view->selection_info.start.x,
2087 view->selection_info.start.y,
2089 GdkDragContext *context;
2090 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
2092 gtk_target_list_add_text_targets (target_list, 0);
2094 context = gtk_drag_begin (widget, target_list,
2096 1, (GdkEvent *)event);
2098 view->selection_info.in_drag = FALSE;
2100 gtk_target_list_unref (target_list);
2106 /* For the Evince 0.4.x release, we limit selection to un-rotated
2109 if (view->pressed_button == 1 && view->rotation == 0) {
2111 /* Schedule timeout to scroll during selection and additionally
2112 * scroll once to allow arbitrary speed. */
2113 if (!view->selection_scroll_id)
2114 view->selection_scroll_id = g_timeout_add (SCROLL_TIME, (GSourceFunc)selection_scroll_timeout_cb, view);
2116 selection_scroll_timeout_cb (view);
2118 view->selection_info.in_selection = TRUE;
2119 view->motion.x = x + view->scroll_x;
2120 view->motion.y = y + view->scroll_y;
2122 /* Queue an idle to handle the motion. We do this because
2123 * handling any selection events in the motion could be slower
2124 * than new motion events reach us. We always put it in the
2125 * idle to make sure we catch up and don't visibly lag the
2127 if (!view->selection_update_id)
2128 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
2131 } else if (view->pressed_button == 2) {
2132 if (!view->drag_info.in_drag) {
2135 start = gtk_drag_check_threshold (widget,
2136 view->drag_info.start.x,
2137 view->drag_info.start.y,
2140 view->drag_info.in_drag = start;
2143 if (view->drag_info.in_drag) {
2145 gdouble dhadj_value, dvadj_value;
2147 dx = event->x_root - view->drag_info.start.x;
2148 dy = event->y_root - view->drag_info.start.y;
2150 dhadj_value = view->hadjustment->page_size *
2151 (gdouble)dx / widget->allocation.width;
2152 dvadj_value = view->vadjustment->page_size *
2153 (gdouble)dy / widget->allocation.height;
2155 /* clamp scrolling to visible area */
2156 gtk_adjustment_set_value (view->hadjustment,
2157 MIN(view->drag_info.hadj - dhadj_value,
2158 view->hadjustment->upper -
2159 view->hadjustment->page_size));
2160 gtk_adjustment_set_value (view->vadjustment,
2161 MIN(view->drag_info.vadj - dvadj_value,
2162 view->vadjustment->upper -
2163 view->vadjustment->page_size));
2167 } else if (view->pressed_button <= 0) {
2168 handle_link_over_xy (view, x, y);
2176 ev_view_button_release_event (GtkWidget *widget,
2177 GdkEventButton *event)
2179 EvView *view = EV_VIEW (widget);
2182 if (view->pressed_button == 2) {
2183 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
2186 if (view->document && view->pressed_button == 1) {
2187 link = ev_view_get_link_at_location (view, event->x, event->y);
2192 view->pressed_button = -1;
2193 view->drag_info.in_drag = FALSE;
2195 if (view->selection_scroll_id) {
2196 g_source_remove (view->selection_scroll_id);
2197 view->selection_scroll_id = 0;
2199 if (view->selection_update_id) {
2200 g_source_remove (view->selection_update_id);
2201 view->selection_update_id = 0;
2204 if (view->selection_info.selections) {
2205 ev_view_update_primary_selection (view);
2207 if (view->selection_info.in_drag) {
2208 clear_selection (view);
2209 gtk_widget_queue_draw (widget);
2212 view->selection_info.in_drag = FALSE;
2214 ev_view_handle_link (view, link);
2215 } else if (view->presentation) {
2216 switch (event->button) {
2218 ev_view_next_page (view);
2221 ev_view_previous_page (view);
2230 /* Cut and paste from gtkwindow.c */
2232 send_focus_change (GtkWidget *widget,
2235 GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE);
2237 g_object_ref (widget);
2240 GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
2242 GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
2244 fevent->focus_change.type = GDK_FOCUS_CHANGE;
2245 fevent->focus_change.window = g_object_ref (widget->window);
2246 fevent->focus_change.in = in;
2248 gtk_widget_event (widget, fevent);
2250 g_object_notify (G_OBJECT (widget), "has-focus");
2252 g_object_unref (widget);
2253 gdk_event_free (fevent);
2257 ev_view_goto_window_hide (EvView *view)
2259 /* send focus-in event */
2260 send_focus_change (view->goto_entry, FALSE);
2261 gtk_widget_hide (view->goto_window);
2262 gtk_entry_set_text (GTK_ENTRY (view->goto_entry), "");
2266 ev_view_goto_window_delete_event (GtkWidget *widget,
2270 ev_view_goto_window_hide (view);
2276 key_is_numeric (guint keyval)
2278 return ((keyval >= GDK_0 && keyval <= GDK_9) ||
2279 (keyval >= GDK_KP_0 && keyval <= GDK_KP_9));
2283 ev_view_goto_window_key_press_event (GtkWidget *widget,
2287 switch (event->keyval) {
2291 case GDK_ISO_Left_Tab:
2292 ev_view_goto_window_hide (view);
2299 if (!key_is_numeric (event->keyval))
2307 ev_view_goto_window_button_press_event (GtkWidget *widget,
2308 GdkEventButton *event,
2311 ev_view_goto_window_hide (view);
2317 ev_view_goto_entry_activate (GtkEntry *entry,
2323 text = gtk_entry_get_text (entry);
2324 page = atoi (text) - 1;
2326 ev_view_goto_window_hide (view);
2329 page < ev_page_cache_get_n_pages (view->page_cache))
2330 ev_page_cache_set_current_page (view->page_cache, page);
2334 ev_view_goto_window_create (EvView *view)
2336 GtkWidget *frame, *hbox, *toplevel, *label;
2338 toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view));
2340 if (view->goto_window) {
2341 if (GTK_WINDOW (toplevel)->group)
2342 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
2343 GTK_WINDOW (view->goto_window));
2344 else if (GTK_WINDOW (view->goto_window)->group)
2345 gtk_window_group_remove_window (GTK_WINDOW (view->goto_window)->group,
2346 GTK_WINDOW (view->goto_window));
2350 view->goto_window = gtk_window_new (GTK_WINDOW_POPUP);
2352 if (GTK_WINDOW (toplevel)->group)
2353 gtk_window_group_add_window (GTK_WINDOW (toplevel)->group,
2354 GTK_WINDOW (view->goto_window));
2356 gtk_window_set_modal (GTK_WINDOW (view->goto_window), TRUE);
2358 g_signal_connect (view->goto_window, "delete_event",
2359 G_CALLBACK (ev_view_goto_window_delete_event),
2361 g_signal_connect (view->goto_window, "key_press_event",
2362 G_CALLBACK (ev_view_goto_window_key_press_event),
2364 g_signal_connect (view->goto_window, "button_press_event",
2365 G_CALLBACK (ev_view_goto_window_button_press_event),
2368 frame = gtk_frame_new (NULL);
2369 gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
2370 gtk_container_add (GTK_CONTAINER (view->goto_window), frame);
2371 gtk_widget_show (frame);
2373 hbox = gtk_hbox_new (FALSE, 0);
2374 gtk_container_set_border_width (GTK_CONTAINER (hbox), 3);
2375 gtk_container_add (GTK_CONTAINER (frame), hbox);
2376 gtk_widget_show (hbox);
2378 label = gtk_label_new(_("Jump to page:"));
2379 gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 3);
2380 gtk_widget_show (label);
2381 gtk_widget_realize (label);
2383 view->goto_entry = gtk_entry_new ();
2384 g_signal_connect (view->goto_entry, "activate",
2385 G_CALLBACK (ev_view_goto_entry_activate),
2387 gtk_box_pack_start_defaults (GTK_BOX (hbox), view->goto_entry);
2388 gtk_widget_show (view->goto_entry);
2389 gtk_widget_realize (view->goto_entry);
2393 ev_view_goto_entry_grab_focus (EvView *view)
2395 GtkWidgetClass *entry_parent_class;
2397 entry_parent_class = g_type_class_peek_parent (GTK_ENTRY_GET_CLASS (view->goto_entry));
2398 (entry_parent_class->grab_focus) (view->goto_entry);
2400 send_focus_change (view->goto_entry, TRUE);
2404 ev_view_goto_window_send_key_event (EvView *view,
2407 GdkEventKey *new_event;
2410 /* Move goto window off screen */
2411 screen = gtk_widget_get_screen (GTK_WIDGET (view));
2412 gtk_window_move (GTK_WINDOW (view->goto_window),
2413 gdk_screen_get_width (screen) + 1,
2414 gdk_screen_get_height (screen) + 1);
2415 gtk_widget_show (view->goto_window);
2417 new_event = (GdkEventKey *) gdk_event_copy (event);
2418 g_object_unref (new_event->window);
2419 new_event->window = g_object_ref (view->goto_window->window);
2420 gtk_widget_realize (view->goto_window);
2422 gtk_widget_event (view->goto_window, (GdkEvent *)new_event);
2423 gdk_event_free ((GdkEvent *)new_event);
2424 gtk_widget_hide (view->goto_window);
2428 ev_view_key_press_event (GtkWidget *widget,
2431 EvView *view = EV_VIEW (widget);
2432 EvPresentationState current;
2434 if (!view->presentation ||
2435 view->presentation_state == EV_PRESENTATION_END)
2436 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
2439 current = view->presentation_state;
2441 switch (event->keyval) {
2444 view->presentation_state =
2445 (view->presentation_state == EV_PRESENTATION_BLACK) ?
2446 EV_PRESENTATION_NORMAL : EV_PRESENTATION_BLACK;
2450 view->presentation_state =
2451 (view->presentation_state == EV_PRESENTATION_WHITE) ?
2452 EV_PRESENTATION_NORMAL : EV_PRESENTATION_WHITE;
2455 if (view->presentation_state == EV_PRESENTATION_BLACK ||
2456 view->presentation_state == EV_PRESENTATION_WHITE) {
2457 view->presentation_state = EV_PRESENTATION_NORMAL;
2461 if (current == view->presentation_state) {
2462 if (ev_page_cache_get_n_pages (view->page_cache) > 1 &&
2463 key_is_numeric (event->keyval)) {
2466 ev_view_goto_window_create (view);
2467 ev_view_goto_window_send_key_event (view, (GdkEvent *)event);
2468 gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
2469 gtk_window_move (GTK_WINDOW (view->goto_window), x, y);
2470 gtk_widget_show (view->goto_window);
2471 ev_view_goto_entry_grab_focus (view);
2476 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
2479 switch (view->presentation_state) {
2480 case EV_PRESENTATION_NORMAL:
2481 case EV_PRESENTATION_BLACK:
2482 gdk_window_set_background (widget->window,
2483 &widget->style->black);
2485 case EV_PRESENTATION_WHITE:
2486 gdk_window_set_background (widget->window,
2487 &widget->style->white);
2490 return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
2493 gtk_widget_queue_draw (widget);
2498 ev_view_focus_in (GtkWidget *widget,
2499 GdkEventFocus *event)
2501 if (EV_VIEW (widget)->pixbuf_cache)
2502 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
2503 gtk_widget_queue_draw (widget);
2509 ev_view_focus_out (GtkWidget *widget,
2510 GdkEventFocus *event)
2512 if (EV_VIEW (widget)->goto_window)
2513 ev_view_goto_window_hide (EV_VIEW (widget));
2515 if (EV_VIEW (widget)->pixbuf_cache)
2516 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
2517 gtk_widget_queue_draw (widget);
2523 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
2525 EvView *view = EV_VIEW (widget);
2527 ev_view_set_status (view, NULL);
2529 if (view->cursor == EV_VIEW_CURSOR_LINK ||
2530 view->cursor == EV_VIEW_CURSOR_IBEAM)
2531 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
2533 if (view->link_tooltip) {
2534 view->hovered_link = NULL;
2535 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
2542 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
2544 EvView *view = EV_VIEW (widget);
2546 handle_link_over_xy (view, event->x, event->y);
2552 ev_view_style_set (GtkWidget *widget,
2553 GtkStyle *old_style)
2555 if (EV_VIEW (widget)->pixbuf_cache)
2556 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
2558 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
2564 ev_gdk_color_to_rgb (const GdkColor *color)
2567 result = (0xff0000 | (color->red & 0xff00));
2569 result |= ((color->green & 0xff00) | (color->blue >> 8));
2574 draw_rubberband (GtkWidget *widget, GdkWindow *window,
2575 const GdkRectangle *rect, guchar alpha)
2579 GdkColor *fill_color_gdk;
2582 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
2583 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
2585 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
2586 rect->width, rect->height);
2587 gdk_pixbuf_fill (pixbuf, fill_color);
2589 gdk_draw_pixbuf (window, NULL, pixbuf,
2591 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
2592 rect->width, rect->height,
2593 GDK_RGB_DITHER_NONE,
2596 g_object_unref (pixbuf);
2598 gc = gdk_gc_new (window);
2599 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
2600 gdk_draw_rectangle (window, gc, FALSE,
2601 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
2604 g_object_unref (gc);
2606 gdk_color_free (fill_color_gdk);
2611 highlight_find_results (EvView *view, int page)
2613 EvDocumentFind *find;
2616 g_return_if_fail (EV_IS_DOCUMENT_FIND (view->document));
2618 find = EV_DOCUMENT_FIND (view->document);
2620 results = ev_document_find_get_n_results (find, page);
2622 for (i = 0; i < results; i++) {
2623 EvRectangle rectangle;
2624 GdkRectangle view_rectangle;
2627 if (i == view->find_result && page == view->current_page) {
2633 ev_document_find_get_result (find, page, i, &rectangle);
2634 doc_rect_to_view_rect (view, page, &rectangle, &view_rectangle);
2635 draw_rubberband (GTK_WIDGET (view), GTK_WIDGET(view)->window,
2636 &view_rectangle, alpha);
2641 draw_loading_text (EvView *view,
2642 GdkRectangle *page_area,
2643 GdkRectangle *expose_area)
2645 const char *loading_text;
2646 PangoLayout *layout;
2647 PangoFontDescription *font_desc;
2648 PangoRectangle logical_rect;
2652 /* Don't annoy users with loading messages during presentations.
2653 * FIXME: Temporary "workaround" for
2654 * http://bugzilla.gnome.org/show_bug.cgi?id=320352 */
2655 if (view->presentation)
2658 loading_text = _("Loading...");
2660 ev_document_fc_mutex_lock ();
2662 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
2664 font_desc = pango_font_description_new ();
2667 /* We set the font to be 10 points, get the size, and scale appropriately */
2668 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
2669 pango_layout_set_font_description (layout, font_desc);
2670 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2672 /* Make sure we fit the middle of the page */
2673 target_width = MAX (page_area->width / 2, 1);
2674 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
2675 pango_font_description_set_size (font_desc, (int)real_scale);
2676 pango_layout_set_font_description (layout, font_desc);
2677 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2679 gtk_paint_layout (GTK_WIDGET (view)->style,
2680 GTK_WIDGET (view)->window,
2681 GTK_WIDGET_STATE (view),
2686 page_area->x + (target_width/2),
2687 page_area->y + (page_area->height - logical_rect.height) / 2,
2690 pango_font_description_free (font_desc);
2691 g_object_unref (layout);
2693 ev_document_fc_mutex_unlock ();
2697 draw_one_page (EvView *view,
2699 GdkRectangle *page_area,
2701 GdkRectangle *expose_area,
2702 gboolean *page_ready)
2705 GdkPixbuf *current_pixbuf;
2706 GdkRectangle overlap;
2707 GdkRectangle real_page_area;
2708 EvViewSelection *selection;
2711 g_assert (view->document);
2713 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
2716 current_page = ev_page_cache_get_current_page (view->page_cache);
2717 selection = find_selection_for_page (view, page);
2718 ev_page_cache_get_size (view->page_cache,
2719 page, view->rotation,
2722 /* Render the document itself */
2723 real_page_area = *page_area;
2725 real_page_area.x += border->left;
2726 real_page_area.y += border->top;
2727 real_page_area.width -= (border->left + border->right);
2728 real_page_area.height -= (border->top + border->bottom);
2731 ev_document_misc_paint_one_page (GTK_WIDGET(view)->window,
2734 page == current_page);
2736 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
2737 GdkPixbuf *selection_pixbuf = NULL;
2738 GdkPixbuf *scaled_image;
2739 GdkPixbuf *scaled_selection;
2741 current_pixbuf = ev_pixbuf_cache_get_pixbuf (view->pixbuf_cache, page);
2743 /* Get the selection pixbuf iff we have something to draw */
2744 if (current_pixbuf && view->selection_mode == EV_VIEW_SELECTION_TEXT && selection)
2745 selection_pixbuf = ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
2750 if (current_pixbuf == NULL)
2751 scaled_image = NULL;
2752 else if (width == gdk_pixbuf_get_width (current_pixbuf) &&
2753 height == gdk_pixbuf_get_height (current_pixbuf))
2754 scaled_image = g_object_ref (current_pixbuf);
2756 /* FIXME: We don't want to scale the whole area, just the right
2758 scaled_image = gdk_pixbuf_scale_simple (current_pixbuf,
2760 GDK_INTERP_NEAREST);
2762 if (selection_pixbuf == NULL)
2763 scaled_selection = NULL;
2764 else if (width == gdk_pixbuf_get_width (selection_pixbuf) &&
2765 height == gdk_pixbuf_get_height (selection_pixbuf))
2766 scaled_selection = g_object_ref (selection_pixbuf);
2768 /* FIXME: We don't want to scale the whole area, just the right
2770 scaled_selection = gdk_pixbuf_scale_simple (selection_pixbuf,
2772 GDK_INTERP_NEAREST);
2775 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2776 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2778 overlap.x - real_page_area.x,
2779 overlap.y - real_page_area.y,
2780 overlap.x, overlap.y,
2781 overlap.width, overlap.height,
2782 GDK_RGB_DITHER_NORMAL,
2784 g_object_unref (scaled_image);
2786 draw_loading_text (view,
2789 *page_ready = FALSE;
2792 if (scaled_selection) {
2793 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2794 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2796 overlap.x - real_page_area.x,
2797 overlap.y - real_page_area.y,
2798 overlap.x, overlap.y,
2799 overlap.width, overlap.height,
2800 GDK_RGB_DITHER_NORMAL,
2802 g_object_unref (scaled_selection);
2807 /*** GObject functions ***/
2810 ev_view_finalize (GObject *object)
2812 EvView *view = EV_VIEW (object);
2816 g_free (view->status);
2817 g_free (view->find_status);
2819 clear_selection (view);
2821 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
2825 ev_view_destroy (GtkObject *object)
2827 EvView *view = EV_VIEW (object);
2829 if (view->document) {
2830 g_object_unref (view->document);
2831 view->document = NULL;
2834 if (view->pixbuf_cache) {
2835 g_object_unref (view->pixbuf_cache);
2836 view->pixbuf_cache = NULL;
2839 if (view->link_tooltip) {
2840 gtk_widget_destroy (view->link_tooltip);
2841 view->link_tooltip = NULL;
2844 if (view->goto_window) {
2845 gtk_widget_destroy (view->goto_window);
2846 view->goto_window = NULL;
2847 view->goto_entry = NULL;
2850 if (view->selection_scroll_id) {
2851 g_source_remove (view->selection_scroll_id);
2852 view->selection_scroll_id = 0;
2855 if (view->selection_update_id) {
2856 g_source_remove (view->selection_update_id);
2857 view->selection_update_id = 0;
2860 ev_view_presentation_transition_stop (view);
2862 ev_view_set_scroll_adjustments (view, NULL, NULL);
2864 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
2868 ev_view_set_property (GObject *object,
2870 const GValue *value,
2873 EvView *view = EV_VIEW (object);
2876 case PROP_CONTINUOUS:
2877 ev_view_set_continuous (view, g_value_get_boolean (value));
2879 case PROP_DUAL_PAGE:
2880 ev_view_set_dual_page (view, g_value_get_boolean (value));
2882 case PROP_FULLSCREEN:
2883 ev_view_set_fullscreen (view, g_value_get_boolean (value));
2885 case PROP_PRESENTATION:
2886 ev_view_set_presentation (view, g_value_get_boolean (value));
2888 case PROP_SIZING_MODE:
2889 ev_view_set_sizing_mode (view, g_value_get_enum (value));
2892 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
2895 ev_view_set_rotation (view, g_value_get_int (value));
2898 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2903 ev_view_get_accessible (GtkWidget *widget)
2905 static gboolean first_time = TRUE;
2908 AtkObjectFactory *factory;
2909 AtkRegistry *registry;
2911 GType derived_atk_type;
2914 * Figure out whether accessibility is enabled by looking at the
2915 * type of the accessible object which would be created for
2916 * the parent type of EvView.
2918 derived_type = g_type_parent (EV_TYPE_VIEW);
2920 registry = atk_get_default_registry ();
2921 factory = atk_registry_get_factory (registry,
2923 derived_atk_type = atk_object_factory_get_accessible_type (factory);
2924 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
2925 atk_registry_set_factory_type (registry,
2927 ev_view_accessible_factory_get_type ());
2930 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
2934 ev_view_get_property (GObject *object,
2939 EvView *view = EV_VIEW (object);
2943 g_value_set_string (value, view->status);
2945 case PROP_FIND_STATUS:
2946 g_value_set_string (value, view->status);
2948 case PROP_CONTINUOUS:
2949 g_value_set_boolean (value, view->continuous);
2951 case PROP_DUAL_PAGE:
2952 g_value_set_boolean (value, view->dual_page);
2954 case PROP_FULLSCREEN:
2955 g_value_set_boolean (value, view->fullscreen);
2957 case PROP_PRESENTATION:
2958 g_value_set_boolean (value, view->presentation);
2960 case PROP_SIZING_MODE:
2961 g_value_set_enum (value, view->sizing_mode);
2964 g_value_set_double (value, view->scale);
2967 g_value_set_int (value, view->rotation);
2969 case PROP_HAS_SELECTION:
2970 g_value_set_boolean (value,
2971 view->selection_info.selections != NULL);
2974 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2979 ev_view_class_init (EvViewClass *class)
2981 GObjectClass *object_class = G_OBJECT_CLASS (class);
2982 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
2983 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
2984 GtkBindingSet *binding_set;
2986 object_class->finalize = ev_view_finalize;
2987 object_class->set_property = ev_view_set_property;
2988 object_class->get_property = ev_view_get_property;
2990 widget_class->expose_event = ev_view_expose_event;
2991 widget_class->button_press_event = ev_view_button_press_event;
2992 widget_class->motion_notify_event = ev_view_motion_notify_event;
2993 widget_class->button_release_event = ev_view_button_release_event;
2994 widget_class->key_press_event = ev_view_key_press_event;
2995 widget_class->focus_in_event = ev_view_focus_in;
2996 widget_class->focus_out_event = ev_view_focus_out;
2997 widget_class->get_accessible = ev_view_get_accessible;
2998 widget_class->size_request = ev_view_size_request;
2999 widget_class->size_allocate = ev_view_size_allocate;
3000 widget_class->realize = ev_view_realize;
3001 widget_class->scroll_event = ev_view_scroll_event;
3002 widget_class->enter_notify_event = ev_view_enter_notify_event;
3003 widget_class->leave_notify_event = ev_view_leave_notify_event;
3004 widget_class->style_set = ev_view_style_set;
3005 widget_class->drag_data_get = ev_view_drag_data_get;
3006 widget_class->drag_data_received = ev_view_drag_data_received;
3007 widget_class->popup_menu = ev_view_popup_menu;
3008 gtk_object_class->destroy = ev_view_destroy;
3010 class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
3011 class->binding_activated = ev_view_scroll;
3013 widget_class->set_scroll_adjustments_signal =
3014 g_signal_new ("set-scroll-adjustments",
3015 G_OBJECT_CLASS_TYPE (object_class),
3016 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3017 G_STRUCT_OFFSET (EvViewClass, set_scroll_adjustments),
3019 ev_marshal_VOID__OBJECT_OBJECT,
3021 GTK_TYPE_ADJUSTMENT,
3022 GTK_TYPE_ADJUSTMENT);
3024 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
3025 G_TYPE_FROM_CLASS (object_class),
3026 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3027 G_STRUCT_OFFSET (EvViewClass, binding_activated),
3029 ev_marshal_VOID__ENUM_BOOLEAN,
3031 GTK_TYPE_SCROLL_TYPE,
3034 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
3035 G_TYPE_FROM_CLASS (object_class),
3036 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3037 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
3039 ev_marshal_VOID__VOID,
3040 G_TYPE_NONE, 0, G_TYPE_NONE);
3041 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
3042 G_TYPE_FROM_CLASS (object_class),
3043 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3044 G_STRUCT_OFFSET (EvViewClass, external_link),
3046 g_cclosure_marshal_VOID__OBJECT,
3049 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
3050 G_TYPE_FROM_CLASS (object_class),
3051 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
3052 G_STRUCT_OFFSET (EvViewClass, popup_menu),
3054 g_cclosure_marshal_VOID__OBJECT,
3058 g_object_class_install_property (object_class,
3060 g_param_spec_string ("status",
3062 "The status message",
3066 g_object_class_install_property (object_class,
3068 g_param_spec_string ("find-status",
3069 "Find Status Message",
3070 "The find status message",
3074 g_object_class_install_property (object_class,
3076 g_param_spec_boolean ("continuous",
3078 "Continuous scrolling mode",
3080 G_PARAM_READWRITE));
3082 g_object_class_install_property (object_class,
3084 g_param_spec_boolean ("dual-page",
3086 "Two pages visible at once",
3088 G_PARAM_READWRITE));
3089 g_object_class_install_property (object_class,
3091 g_param_spec_boolean ("fullscreen",
3093 "Draw page in a fullscreen fashion",
3095 G_PARAM_READWRITE));
3096 g_object_class_install_property (object_class,
3098 g_param_spec_boolean ("presentation",
3100 "Draw page in presentation mode",
3102 G_PARAM_READWRITE));
3104 g_object_class_install_property (object_class,
3106 g_param_spec_enum ("sizing-mode",
3109 EV_TYPE_SIZING_MODE,
3110 EV_SIZING_FIT_WIDTH,
3111 G_PARAM_READWRITE));
3113 g_object_class_install_property (object_class,
3115 g_param_spec_double ("zoom",
3121 G_PARAM_READWRITE));
3122 g_object_class_install_property (object_class,
3124 g_param_spec_double ("rotation",
3130 G_PARAM_READWRITE));
3131 g_object_class_install_property (object_class,
3133 g_param_spec_boolean ("has-selection",
3135 "The view has selections",
3139 binding_set = gtk_binding_set_by_class (class);
3141 add_scroll_binding_keypad (binding_set, GDK_Left, 0, EV_SCROLL_STEP_BACKWARD, TRUE);
3142 add_scroll_binding_keypad (binding_set, GDK_Right, 0, EV_SCROLL_STEP_FORWARD, TRUE);
3143 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, TRUE);
3144 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, TRUE);
3145 add_scroll_binding_keypad (binding_set, GDK_Up, 0, EV_SCROLL_STEP_BACKWARD, FALSE);
3146 add_scroll_binding_keypad (binding_set, GDK_Down, 0, EV_SCROLL_STEP_FORWARD, FALSE);
3147 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, FALSE);
3148 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, FALSE);
3152 ev_view_init (EvView *view)
3154 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
3158 view->current_page = 0;
3159 view->pressed_button = -1;
3160 view->cursor = EV_VIEW_CURSOR_NORMAL;
3161 view->drag_info.in_drag = FALSE;
3162 view->selection_info.selections = NULL;
3163 view->selection_info.in_selection = FALSE;
3164 view->selection_info.in_drag = FALSE;
3165 view->selection_mode = EV_VIEW_SELECTION_TEXT;
3166 view->continuous = TRUE;
3167 view->dual_page = FALSE;
3168 view->presentation = FALSE;
3169 view->presentation_state = EV_PRESENTATION_NORMAL;
3170 view->fullscreen = FALSE;
3171 view->sizing_mode = EV_SIZING_FIT_WIDTH;
3172 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
3173 view->jump_to_find_result = TRUE;
3175 gtk_drag_dest_set (GTK_WIDGET (view),
3176 GTK_DEST_DEFAULT_ALL,
3178 G_N_ELEMENTS (view_drop_targets),
3185 find_changed_cb (EvDocument *document, int page, EvView *view)
3190 percent = ev_document_find_get_progress
3191 (EV_DOCUMENT_FIND (view->document));
3192 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3194 if (view->jump_to_find_result == TRUE) {
3195 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
3196 jump_to_find_result (view);
3198 update_find_status_message (view, percent * n_pages >= n_pages - 1 );
3199 if (view->current_page == page)
3200 gtk_widget_queue_draw (GTK_WIDGET (view));
3204 job_finished_cb (EvPixbufCache *pixbuf_cache,
3207 gtk_widget_queue_draw (GTK_WIDGET (view));
3211 page_changed_cb (EvPageCache *page_cache,
3215 if (view->current_page != new_page) {
3216 view->current_page = new_page;
3217 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
3218 if (view->presentation)
3219 ev_view_presentation_transition_start (view);
3220 gtk_widget_queue_resize (GTK_WIDGET (view));
3222 gtk_widget_queue_draw (GTK_WIDGET (view));
3225 if (EV_IS_DOCUMENT_FIND (view->document)) {
3226 view->find_result = 0;
3227 update_find_status_message (view, TRUE);
3231 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
3236 if (! GTK_WIDGET_REALIZED (view))
3239 if (view->hadjustment) {
3240 dx = view->scroll_x - (int) view->hadjustment->value;
3241 view->scroll_x = (int) view->hadjustment->value;
3246 if (view->vadjustment) {
3247 dy = view->scroll_y - (int) view->vadjustment->value;
3248 view->scroll_y = (int) view->vadjustment->value;
3254 if (view->pending_resize)
3255 gtk_widget_queue_draw (GTK_WIDGET (view));
3257 gdk_window_scroll (GTK_WIDGET (view)->window, dx, dy);
3261 view_update_range_and_current_page (view);
3269 view = g_object_new (EV_TYPE_VIEW, NULL);
3275 setup_caches (EvView *view)
3277 view->page_cache = ev_page_cache_get (view->document);
3278 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
3279 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
3280 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
3284 clear_caches (EvView *view)
3286 if (view->pixbuf_cache) {
3287 g_object_unref (view->pixbuf_cache);
3288 view->pixbuf_cache = NULL;
3291 if (view->page_cache) {
3292 view->page_cache = NULL;
3297 ev_view_set_loading (EvView *view,
3300 view->loading = loading;
3301 gtk_widget_queue_draw (GTK_WIDGET (view));
3305 ev_view_set_document (EvView *view,
3306 EvDocument *document)
3308 g_return_if_fail (EV_IS_VIEW (view));
3310 view->loading = FALSE;
3312 if (document != view->document) {
3313 clear_caches (view);
3315 if (view->document) {
3316 g_signal_handlers_disconnect_by_func (view->document,
3319 g_object_unref (view->document);
3320 view->page_cache = NULL;
3324 view->document = document;
3325 view->find_result = 0;
3327 if (view->document) {
3328 g_object_ref (view->document);
3329 if (EV_IS_DOCUMENT_FIND (view->document)) {
3330 g_signal_connect (view->document,
3332 G_CALLBACK (find_changed_cb),
3336 setup_caches (view);
3339 gtk_widget_queue_resize (GTK_WIDGET (view));
3343 /*** Zoom and sizing mode ***/
3345 #define EPSILON 0.0000001
3347 ev_view_set_zoom (EvView *view,
3354 scale = view->scale * factor;
3358 scale = CLAMP (scale, MIN_SCALE, MAX_SCALE);
3360 if (ABS (view->scale - scale) < EPSILON)
3363 view->scale = scale;
3364 view->pending_resize = TRUE;
3366 gtk_widget_queue_resize (GTK_WIDGET (view));
3368 g_object_notify (G_OBJECT (view), "zoom");
3372 ev_view_get_zoom (EvView *view)
3378 ev_view_get_continuous (EvView *view)
3380 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3382 return view->continuous;
3386 ev_view_set_continuous (EvView *view,
3387 gboolean continuous)
3389 g_return_if_fail (EV_IS_VIEW (view));
3391 continuous = continuous != FALSE;
3393 if (view->continuous != continuous) {
3394 view->continuous = continuous;
3395 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
3396 gtk_widget_queue_resize (GTK_WIDGET (view));
3399 g_object_notify (G_OBJECT (view), "continuous");
3403 ev_view_get_dual_page (EvView *view)
3405 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3407 return view->dual_page;
3411 ev_view_set_dual_page (EvView *view,
3414 g_return_if_fail (EV_IS_VIEW (view));
3416 dual_page = dual_page != FALSE;
3418 if (view->dual_page == dual_page)
3421 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
3422 view->dual_page = dual_page;
3423 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
3424 * preload_cache_size to be 2 if dual_page is set.
3426 gtk_widget_queue_resize (GTK_WIDGET (view));
3428 g_object_notify (G_OBJECT (view), "dual-page");
3432 ev_view_set_fullscreen (EvView *view,
3433 gboolean fullscreen)
3435 g_return_if_fail (EV_IS_VIEW (view));
3437 fullscreen = fullscreen != FALSE;
3439 if (view->fullscreen == fullscreen)
3442 view->fullscreen = fullscreen;
3443 gtk_widget_queue_resize (GTK_WIDGET (view));
3445 g_object_notify (G_OBJECT (view), "fullscreen");
3449 ev_view_get_fullscreen (EvView *view)
3451 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3453 return view->fullscreen;
3457 ev_view_set_presentation (EvView *view,
3458 gboolean presentation)
3460 g_return_if_fail (EV_IS_VIEW (view));
3462 presentation = presentation != FALSE;
3464 if (view->presentation == presentation)
3468 view->presentation_state = EV_PRESENTATION_NORMAL;
3470 view->presentation = presentation;
3471 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
3474 view->sizing_mode_saved = view->sizing_mode;
3475 view->scale_saved = view->scale;
3476 ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT);
3478 ev_view_set_sizing_mode (view, view->sizing_mode_saved);
3479 ev_view_set_zoom (view, view->scale_saved, FALSE);
3482 gtk_widget_queue_resize (GTK_WIDGET (view));
3485 ev_view_presentation_transition_start (view);
3487 ev_view_presentation_transition_stop (view);
3489 if (GTK_WIDGET_REALIZED (view)) {
3490 if (view->presentation)
3491 gdk_window_set_background (GTK_WIDGET(view)->window,
3492 >K_WIDGET (view)->style->black);
3494 gdk_window_set_background (GTK_WIDGET(view)->window,
3495 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
3498 g_object_notify (G_OBJECT (view), "presentation");
3502 ev_view_get_presentation (EvView *view)
3504 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3506 return view->presentation;
3510 transition_next_page (EvView *view)
3512 ev_view_next_page (view);
3518 ev_view_presentation_transition_stop (EvView *view)
3520 if (view->trans_timeout_id > 0)
3521 g_source_remove (view->trans_timeout_id);
3522 view->trans_timeout_id = 0;
3526 ev_view_presentation_transition_start (EvView *view)
3530 if (!EV_IS_DOCUMENT_TRANSITION (view->document))
3533 ev_view_presentation_transition_stop (view);
3535 duration = ev_document_transition_get_page_duration (EV_DOCUMENT_TRANSITION (view->document),
3536 view->current_page);
3538 view->trans_timeout_id = g_timeout_add (duration * 1000,
3539 (GSourceFunc) transition_next_page,
3544 ev_view_set_sizing_mode (EvView *view,
3545 EvSizingMode sizing_mode)
3547 g_return_if_fail (EV_IS_VIEW (view));
3549 if (view->sizing_mode == sizing_mode)
3552 view->sizing_mode = sizing_mode;
3553 gtk_widget_queue_resize (GTK_WIDGET (view));
3555 g_object_notify (G_OBJECT (view), "sizing-mode");
3559 ev_view_get_sizing_mode (EvView *view)
3561 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
3563 return view->sizing_mode;
3567 ev_view_can_zoom_in (EvView *view)
3569 return view->scale * ZOOM_IN_FACTOR <= MAX_SCALE;
3573 ev_view_can_zoom_out (EvView *view)
3575 return view->scale * ZOOM_OUT_FACTOR >= MIN_SCALE;
3579 ev_view_zoom_in (EvView *view)
3581 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
3583 view->pending_scroll = SCROLL_TO_CENTER;
3584 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
3588 ev_view_zoom_out (EvView *view)
3590 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
3592 view->pending_scroll = SCROLL_TO_CENTER;
3593 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
3597 ev_view_rotate_right (EvView *view)
3599 int rotation = view->rotation + 90;
3601 if (rotation >= 360) {
3605 ev_view_set_rotation (view, rotation);
3609 ev_view_rotate_left (EvView *view)
3611 int rotation = view->rotation - 90;
3617 ev_view_set_rotation (view, rotation);
3621 ev_view_set_rotation (EvView *view, int rotation)
3623 view->rotation = rotation;
3625 if (view->pixbuf_cache) {
3626 ev_pixbuf_cache_clear (view->pixbuf_cache);
3627 gtk_widget_queue_resize (GTK_WIDGET (view));
3631 clear_selection (view);
3633 g_object_notify (G_OBJECT (view), "rotation");
3637 ev_view_get_rotation (EvView *view)
3639 return view->rotation;
3643 zoom_for_size_fit_width (int doc_width,
3651 scale = (double)target_width / doc_width;
3653 if (doc_height * scale > target_height)
3654 scale = (double) (target_width - vsb_width) / doc_width;
3660 zoom_for_size_fit_height (int doc_width,
3668 scale = (double)target_height / doc_height;
3670 if (doc_width * scale > target_width)
3671 scale = (double) (target_height - vsb_height) / doc_height;
3677 zoom_for_size_best_fit (int doc_width,
3687 w_scale = (double)target_width / doc_width;
3688 h_scale = (double)target_height / doc_height;
3690 if (doc_height * w_scale > target_height)
3691 w_scale = (double) (target_width - vsb_width) / doc_width;
3692 if (doc_width * h_scale > target_width)
3693 h_scale = (double) (target_height - hsb_width) / doc_height;
3695 return MIN (w_scale, h_scale);
3700 ev_view_zoom_for_size_presentation (EvView *view,
3704 int doc_width, doc_height;
3707 ev_page_cache_get_size (view->page_cache,
3713 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
3714 ev_view_set_zoom (view, scale, FALSE);
3718 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
3724 int doc_width, doc_height;
3728 ev_page_cache_get_max_width (view->page_cache,
3732 ev_page_cache_get_max_height (view->page_cache,
3736 compute_border (view, doc_width, doc_height, &border);
3738 doc_width = doc_width * 2;
3739 width -= (2 * (border.left + border.right) + 3 * view->spacing);
3740 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3742 /* FIXME: We really need to calculate the overall height here, not the
3743 * page height. We assume there's always a vertical scrollbar for
3744 * now. We need to fix this. */
3745 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3746 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3747 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3748 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3750 g_assert_not_reached ();
3752 ev_view_set_zoom (view, scale, FALSE);
3756 ev_view_zoom_for_size_continuous (EvView *view,
3762 int doc_width, doc_height;
3766 ev_page_cache_get_max_width (view->page_cache,
3770 ev_page_cache_get_max_height (view->page_cache,
3774 compute_border (view, doc_width, doc_height, &border);
3776 width -= (border.left + border.right + 2 * view->spacing);
3777 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3779 /* FIXME: We really need to calculate the overall height here, not the
3780 * page height. We assume there's always a vertical scrollbar for
3781 * now. We need to fix this. */
3782 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3783 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3784 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3785 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3787 g_assert_not_reached ();
3789 ev_view_set_zoom (view, scale, FALSE);
3793 ev_view_zoom_for_size_dual_page (EvView *view,
3800 gint doc_width, doc_height;
3804 other_page = view->current_page ^ 1;
3806 /* Find the largest of the two. */
3807 ev_page_cache_get_size (view->page_cache,
3811 &doc_width, &doc_height);
3813 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
3814 gint width_2, height_2;
3815 ev_page_cache_get_size (view->page_cache,
3819 &width_2, &height_2);
3820 if (width_2 > doc_width)
3821 doc_width = width_2;
3822 if (height_2 > doc_height)
3823 doc_height = height_2;
3825 compute_border (view, doc_width, doc_height, &border);
3827 doc_width = doc_width * 2;
3828 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
3829 height -= (border.top + border.bottom + 2 * view->spacing);
3831 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3832 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3833 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3834 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3836 g_assert_not_reached ();
3838 ev_view_set_zoom (view, scale, FALSE);
3842 ev_view_zoom_for_size_single_page (EvView *view,
3848 int doc_width, doc_height;
3852 ev_page_cache_get_size (view->page_cache,
3858 /* Get an approximate border */
3859 compute_border (view, width, height, &border);
3861 width -= (border.left + border.right + 2 * view->spacing);
3862 height -= (border.top + border.bottom + 2 * view->spacing);
3864 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3865 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3866 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3867 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3869 g_assert_not_reached ();
3871 ev_view_set_zoom (view, scale, FALSE);
3875 ev_view_set_zoom_for_size (EvView *view,
3881 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
3882 view->sizing_mode == EV_SIZING_BEST_FIT);
3883 g_return_if_fail (width >= 0);
3884 g_return_if_fail (height >= 0);
3886 if (view->document == NULL)
3889 if (view->presentation)
3890 ev_view_zoom_for_size_presentation (view, width, height);
3891 else if (view->continuous && view->dual_page)
3892 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
3893 else if (view->continuous)
3894 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
3895 else if (view->dual_page)
3896 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
3898 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
3901 /*** Status text messages ***/
3904 ev_view_get_status (EvView *view)
3906 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3908 return view->status;
3912 ev_view_set_status (EvView *view, const char *message)
3914 g_return_if_fail (EV_IS_VIEW (view));
3916 if (message != view->status) {
3917 g_free (view->status);
3918 view->status = g_strdup (message);
3919 g_object_notify (G_OBJECT (view), "status");
3924 update_find_status_message (EvView *view, gboolean this_page)
3931 results = ev_document_find_get_n_results
3932 (EV_DOCUMENT_FIND (view->document),
3933 view->current_page);
3934 /* TRANS: Sometimes this could be better translated as
3935 "%d hit(s) on this page". Therefore this string
3936 contains plural cases. */
3937 message = g_strdup_printf (ngettext ("%d found on this page",
3938 "%d found on this page",
3944 percent = ev_document_find_get_progress
3945 (EV_DOCUMENT_FIND (view->document));
3946 message = g_strdup_printf (_("%3d%% remaining to search"),
3947 (int) ((1.0 - percent) * 100));
3950 ev_view_set_find_status (view, message);
3955 ev_view_get_find_status (EvView *view)
3957 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3959 return view->find_status;
3963 ev_view_set_find_status (EvView *view, const char *message)
3965 g_return_if_fail (EV_IS_VIEW (view));
3967 g_free (view->find_status);
3968 view->find_status = g_strdup (message);
3969 g_object_notify (G_OBJECT (view), "find-status");
3975 jump_to_find_result (EvView *view)
3977 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3979 GdkRectangle view_rect;
3981 int page = view->current_page;
3983 n_results = ev_document_find_get_n_results (find, page);
3985 if (n_results > 0 && view->find_result < n_results) {
3986 ev_document_find_get_result
3987 (find, page, view->find_result, &rect);
3989 doc_rect_to_view_rect (view, page, &rect, &view_rect);
3990 ensure_rectangle_is_visible (view, &view_rect);
3996 * @view: #EvView instance
3997 * @direction: Direction to look
3998 * @shift: Shift from current page
4000 * Jumps to the first page that has occurences of searched word.
4001 * Uses a direction where to look and a shift from current page.
4005 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
4009 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4011 for (i = 0; i < n_pages; i++) {
4015 if (direction == EV_VIEW_FIND_NEXT)
4016 page = view->current_page + i;
4018 page = view->current_page - i;
4021 if (page >= n_pages) {
4022 page = page - n_pages;
4025 page = page + n_pages;
4027 has_results = ev_document_find_page_has_results
4028 (EV_DOCUMENT_FIND (view->document), page);
4029 if (has_results == -1) {
4031 } else if (has_results == 1) {
4032 ev_page_cache_set_current_page (view->page_cache, page);
4039 ev_view_can_find_next (EvView *view)
4041 if (EV_IS_DOCUMENT_FIND (view->document)) {
4042 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
4045 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4046 for (i = 0; i < n_pages; i++) {
4047 if (ev_document_find_get_n_results (find, i) > 0) {
4057 ev_view_find_next (EvView *view)
4059 int n_results, n_pages;
4060 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
4062 n_results = ev_document_find_get_n_results (find, view->current_page);
4064 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4066 view->find_result++;
4068 if (view->find_result >= n_results) {
4070 view->find_result = 0;
4071 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
4072 jump_to_find_result (view);
4074 jump_to_find_result (view);
4075 gtk_widget_queue_draw (GTK_WIDGET (view));
4080 ev_view_can_find_previous (EvView *view)
4082 if (EV_IS_DOCUMENT_FIND (view->document)) {
4083 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
4086 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4087 for (i = n_pages - 1; i >= 0; i--) {
4088 if (ev_document_find_get_n_results (find, i) > 0) {
4097 ev_view_find_previous (EvView *view)
4099 int n_results, n_pages;
4100 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
4101 EvPageCache *page_cache;
4103 page_cache = ev_page_cache_get (view->document);
4105 n_results = ev_document_find_get_n_results (find, view->current_page);
4107 n_pages = ev_page_cache_get_n_pages (page_cache);
4109 view->find_result--;
4111 if (view->find_result < 0) {
4113 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
4114 view->find_result = ev_document_find_get_n_results (find, view->current_page) - 1;
4115 jump_to_find_result (view);
4117 jump_to_find_result (view);
4118 gtk_widget_queue_draw (GTK_WIDGET (view));
4122 void ev_view_search_changed (EvView *view)
4124 /* search string has changed, focus on new search result */
4125 view->jump_to_find_result = TRUE;
4128 /*** Selections ***/
4130 /* compute_new_selection_rect/text calculates the area currently selected by
4131 * view_rect. each handles a different mode;
4134 compute_new_selection_rect (EvView *view,
4138 GdkRectangle view_rect;
4142 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
4144 view_rect.x = MIN (start->x, stop->x);
4145 view_rect.y = MIN (start->y, stop->y);
4146 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
4147 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
4149 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4151 for (i = 0; i < n_pages; i++) {
4152 GdkRectangle page_area;
4155 if (get_page_extents (view, i, &page_area, &border)) {
4156 GdkRectangle overlap;
4158 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
4159 EvViewSelection *selection;
4161 selection = g_new0 (EvViewSelection, 1);
4162 selection->page = i;
4163 view_rect_to_doc_rect (view, &overlap, &page_area,
4164 &(selection->rect));
4166 list = g_list_append (list, selection);
4175 gdk_rectangle_point_in (GdkRectangle *rectangle,
4178 return rectangle->x <= point->x &&
4179 rectangle->y <= point->y &&
4180 point->x < rectangle->x + rectangle->width &&
4181 point->y < rectangle->y + rectangle->height;
4185 compute_new_selection_text (EvView *view,
4189 int n_pages, i, first, last;
4191 EvViewSelection *selection;
4193 int start_page, end_page;
4195 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
4197 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4199 /* First figure out the range of pages the selection
4203 if (view->continuous) {
4206 } else if (view->dual_page) {
4207 start_page = view->start_page;
4208 end_page = view->end_page + 1;
4210 start_page = view->current_page;
4211 end_page = view->current_page + 1;
4214 for (i = start_page; i < end_page; i++) {
4215 GdkRectangle page_area;
4218 get_page_extents (view, i, &page_area, &border);
4219 if (gdk_rectangle_point_in (&page_area, start) ||
4220 gdk_rectangle_point_in (&page_area, stop)) {
4221 if (first == n_pages)
4230 /* Now create a list of EvViewSelection's for the affected
4231 * pages. This could be an empty list, a list of just one
4232 * page or a number of pages.*/
4233 for (i = first; i < last + 1; i++) {
4234 GdkRectangle page_area;
4238 ev_page_cache_get_size (view->page_cache, i,
4240 1.0, &width, &height);
4242 selection = g_new0 (EvViewSelection, 1);
4243 selection->page = i;
4244 selection->rect.x1 = selection->rect.y1 = 0;
4245 selection->rect.x2 = width;
4246 selection->rect.y2 = height;
4248 get_page_extents (view, i, &page_area, &border);
4250 if (gdk_rectangle_point_in (&page_area, start))
4256 view_point_to_doc_point (view, point, &page_area,
4257 &selection->rect.x1,
4258 &selection->rect.y1);
4260 /* If the selection is contained within just one page,
4261 * make sure we don't write 'start' into both points
4262 * in selection->rect. */
4267 view_point_to_doc_point (view, point, &page_area,
4268 &selection->rect.x2,
4269 &selection->rect.y2);
4271 list = g_list_append (list, selection);
4277 /* This function takes the newly calculated list, and figures out which regions
4278 * have changed. It then queues a redraw approporiately.
4281 merge_selection_region (EvView *view,
4285 GList *new_list_ptr, *old_list_ptr;
4287 /* Update the selection */
4288 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
4289 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
4290 view->selection_info.selections = new_list;
4291 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
4292 g_object_notify (G_OBJECT (view), "has-selection");
4294 new_list_ptr = new_list;
4295 old_list_ptr = old_list;
4297 while (new_list_ptr || old_list_ptr) {
4298 EvViewSelection *old_sel, *new_sel;
4300 GdkRegion *region = NULL;
4302 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
4303 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
4305 /* Assume that the lists are in order, and we run through them
4306 * comparing them, one page at a time. We come out with the
4307 * first page we see. */
4308 if (new_sel && old_sel) {
4309 if (new_sel->page < old_sel->page) {
4310 new_list_ptr = new_list_ptr->next;
4312 } else if (new_sel->page > old_sel->page) {
4313 old_list_ptr = old_list_ptr->next;
4316 new_list_ptr = new_list_ptr->next;
4317 old_list_ptr = old_list_ptr->next;
4319 } else if (new_sel) {
4320 new_list_ptr = new_list_ptr->next;
4321 } else if (old_sel) {
4322 old_list_ptr = old_list_ptr->next;
4325 g_assert (new_sel || old_sel);
4327 /* is the page we're looking at on the screen?*/
4328 cur_page = new_sel ? new_sel->page : old_sel->page;
4329 if (cur_page < view->start_page || cur_page > view->end_page)
4332 /* seed the cache with a new page. We are going to need the new
4335 GdkRegion *tmp_region = NULL;
4336 ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
4341 new_sel->covered_region = gdk_region_copy (tmp_region);
4345 /* Now we figure out what needs redrawing */
4346 if (old_sel && new_sel) {
4347 if (old_sel->covered_region &&
4348 new_sel->covered_region) {
4349 /* We only want to redraw the areas that have
4350 * changed, so we xor the old and new regions
4351 * and redraw if it's different */
4352 region = gdk_region_copy (old_sel->covered_region);
4353 gdk_region_xor (region, new_sel->covered_region);
4354 if (gdk_region_empty (region)) {
4355 gdk_region_destroy (region);
4358 } else if (old_sel->covered_region) {
4359 region = gdk_region_copy (old_sel->covered_region);
4360 } else if (new_sel->covered_region) {
4361 region = gdk_region_copy (new_sel->covered_region);
4363 } else if (old_sel && !new_sel) {
4364 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
4365 region = gdk_region_copy (old_sel->covered_region);
4367 } else if (!old_sel && new_sel) {
4368 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
4369 region = gdk_region_copy (new_sel->covered_region);
4372 g_assert_not_reached ();
4375 /* Redraw the damaged region! */
4377 GdkRectangle page_area;
4380 get_page_extents (view, cur_page, &page_area, &border);
4381 gdk_region_offset (region,
4382 page_area.x + border.left - view->scroll_x,
4383 page_area.y + border.top - view->scroll_y);
4384 gdk_window_invalidate_region (GTK_WIDGET (view)->window, region, TRUE);
4385 gdk_region_destroy (region);
4389 /* Free the old list, now that we're done with it. */
4390 g_list_foreach (old_list, (GFunc) selection_free, NULL);
4394 compute_selections (EvView *view,
4400 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
4401 list = compute_new_selection_rect (view, start, stop);
4403 list = compute_new_selection_text (view, start, stop);
4404 merge_selection_region (view, list);
4407 /* Free's the selection. It's up to the caller to queue redraws if needed.
4410 selection_free (EvViewSelection *selection)
4412 if (selection->covered_region)
4413 gdk_region_destroy (selection->covered_region);
4418 clear_selection (EvView *view)
4420 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
4421 view->selection_info.selections = NULL;
4422 view->selection_info.in_selection = FALSE;
4423 if (view->pixbuf_cache)
4424 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
4425 g_object_notify (G_OBJECT (view), "has-selection");
4430 ev_view_select_all (EvView *view)
4434 /* Disable selection on rotated pages for the 0.4.0 series */
4435 if (view->rotation != 0)
4438 clear_selection (view);
4440 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4441 for (i = 0; i < n_pages; i++) {
4443 EvViewSelection *selection;
4445 ev_page_cache_get_size (view->page_cache,
4448 1.0, &width, &height);
4450 selection = g_new0 (EvViewSelection, 1);
4451 selection->page = i;
4452 selection->rect.x1 = selection->rect.y1 = 0;
4453 selection->rect.x2 = width;
4454 selection->rect.y2 = height;
4456 view->selection_info.selections = g_list_append (view->selection_info.selections, selection);
4459 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, view->selection_info.selections);
4460 g_object_notify (G_OBJECT (view), "has-selection");
4461 gtk_widget_queue_draw (GTK_WIDGET (view));
4465 ev_view_get_has_selection (EvView *view)
4467 return view->selection_info.selections != NULL;
4471 get_selected_text (EvView *ev_view)
4476 text = g_string_new (NULL);
4478 ev_document_doc_mutex_lock ();
4480 for (l = ev_view->selection_info.selections; l != NULL; l = l->next) {
4481 EvViewSelection *selection = (EvViewSelection *)l->data;
4484 tmp = ev_document_get_text (ev_view->document,
4487 g_string_append (text, tmp);
4491 ev_document_doc_mutex_unlock ();
4493 return g_string_free (text, FALSE);
4497 ev_view_copy (EvView *ev_view)
4499 GtkClipboard *clipboard;
4502 if (!ev_document_can_get_text (ev_view->document)) {
4506 text = get_selected_text (ev_view);
4507 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
4508 GDK_SELECTION_CLIPBOARD);
4509 gtk_clipboard_set_text (clipboard, text, -1);
4514 ev_view_primary_get_cb (GtkClipboard *clipboard,
4515 GtkSelectionData *selection_data,
4519 EvView *ev_view = EV_VIEW (data);
4522 if (!ev_document_can_get_text (ev_view->document)) {
4526 text = get_selected_text (ev_view);
4527 gtk_selection_data_set_text (selection_data, text, -1);
4532 ev_view_primary_clear_cb (GtkClipboard *clipboard,
4535 EvView *view = EV_VIEW (data);
4537 clear_selection (view);
4541 ev_view_update_primary_selection (EvView *ev_view)
4543 GtkClipboard *clipboard;
4545 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
4546 GDK_SELECTION_PRIMARY);
4548 if (ev_view->selection_info.selections) {
4549 if (!gtk_clipboard_set_with_owner (clipboard,
4551 G_N_ELEMENTS (clipboard_targets),
4552 ev_view_primary_get_cb,
4553 ev_view_primary_clear_cb,
4554 G_OBJECT (ev_view)))
4555 ev_view_primary_clear_cb (clipboard, ev_view);
4557 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
4558 gtk_clipboard_clear (clipboard);
4562 /*** Cursor operations ***/
4565 ev_view_create_invisible_cursor(void)
4568 GdkColor black = { 0, 0, 0, 0 };
4569 static char bits[] = { 0x00 };
4571 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
4573 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
4577 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
4579 GdkCursor *cursor = NULL;
4580 GdkDisplay *display;
4583 if (view->cursor == new_cursor) {
4587 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
4588 display = gtk_widget_get_display (widget);
4589 view->cursor = new_cursor;
4591 switch (new_cursor) {
4592 case EV_VIEW_CURSOR_NORMAL:
4593 gdk_window_set_cursor (widget->window, NULL);
4595 case EV_VIEW_CURSOR_IBEAM:
4596 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
4598 case EV_VIEW_CURSOR_LINK:
4599 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
4601 case EV_VIEW_CURSOR_WAIT:
4602 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
4604 case EV_VIEW_CURSOR_HIDDEN:
4605 cursor = ev_view_create_invisible_cursor ();
4607 case EV_VIEW_CURSOR_DRAG:
4608 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
4613 gdk_window_set_cursor (widget->window, cursor);
4614 gdk_cursor_unref (cursor);
4620 ev_view_hide_cursor (EvView *view)
4622 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
4626 ev_view_show_cursor (EvView *view)
4628 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
4632 ev_view_reset_presentation_state (EvView *view)
4634 if (!view->presentation ||
4635 view->presentation_state == EV_PRESENTATION_NORMAL)
4638 view->presentation_state = EV_PRESENTATION_NORMAL;
4639 gdk_window_set_background (GTK_WIDGET (view)->window,
4640 >K_WIDGET (view)->style->black);
4641 gtk_widget_queue_draw (GTK_WIDGET (view));
4645 ev_view_next_page (EvView *view)
4649 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4651 if (!view->page_cache)
4654 ev_view_presentation_transition_stop (view);
4655 ev_view_reset_presentation_state (view);
4657 page = ev_page_cache_get_current_page (view->page_cache);
4658 n_pages = ev_page_cache_get_n_pages (view->page_cache);
4660 if (view->dual_page && !view->presentation)
4665 if (page < n_pages) {
4666 ev_page_cache_set_current_page (view->page_cache, page);
4668 } else if (view->presentation && page == n_pages) {
4669 view->presentation_state = EV_PRESENTATION_END;
4670 gtk_widget_queue_draw (GTK_WIDGET (view));
4672 } else if (view->dual_page && page == n_pages) {
4673 ev_page_cache_set_current_page (view->page_cache, page - 1);
4681 ev_view_previous_page (EvView *view)
4685 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4687 if (!view->page_cache)
4690 if (view->presentation &&
4691 view->presentation_state == EV_PRESENTATION_END) {
4692 ev_view_reset_presentation_state (view);
4696 ev_view_reset_presentation_state (view);
4698 page = ev_page_cache_get_current_page (view->page_cache);
4700 if (view->dual_page && !view->presentation)
4706 ev_page_cache_set_current_page (view->page_cache, page);
4708 } else if (ev_view_get_dual_page (view) && page == -1) {
4709 ev_page_cache_set_current_page (view->page_cache, 0);
4716 /*** Enum description for usage in signal ***/
4719 ev_sizing_mode_get_type (void)
4721 static GType etype = 0;
4723 static const GEnumValue values[] = {
4724 { EV_SIZING_FIT_WIDTH, "EV_SIZING_FIT_WIDTH", "fit-width" },
4725 { EV_SIZING_BEST_FIT, "EV_SIZING_BEST_FIT", "best-fit" },
4726 { EV_SIZING_FREE, "EV_SIZING_FREE", "free" },
4729 etype = g_enum_register_static ("EvSizingMode", values);
4735 ev_scroll_type_get_type (void)
4737 static GType etype = 0;
4739 static const GEnumValue values[] = {
4740 { EV_SCROLL_PAGE_FORWARD, "EV_SCROLL_PAGE_FORWARD", "scroll-page-forward" },
4741 { EV_SCROLL_PAGE_BACKWARD, "EV_SCROLL_PAGE_BACKWARD", "scroll-page-backward" },
4742 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
4743 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
4744 { EV_SCROLL_STEP_UP, "EV_SCROLL_STEP_UP", "scroll-step-up" },
4745 { EV_SCROLL_STEP_DOWN, "EV_SCROLL_STEP_DOWN", "scroll-step-down" },
4748 etype = g_enum_register_static ("EvScrollType", values);