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.
23 #include <gtk/gtkalignment.h>
24 #include <glib/gi18n.h>
25 #include <gtk/gtkbindings.h>
26 #include <gtk/gtkselection.h>
27 #include <gtk/gtkclipboard.h>
28 #include <gdk/gdkkeysyms.h>
29 #include <libgnomevfs/gnome-vfs-utils.h>
31 #include "ev-marshal.h"
33 #include "ev-view-private.h"
35 #include "ev-selection.h"
36 #include "ev-document-find.h"
37 #include "ev-document-misc.h"
39 #include "ev-job-queue.h"
40 #include "ev-page-cache.h"
41 #include "ev-pixbuf-cache.h"
42 #include "ev-tooltip.h"
44 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
45 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
46 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
64 SIGNAL_BINDING_ACTIVATED,
76 TARGET_TEXT_BUFFER_CONTENTS
79 static const GtkTargetEntry targets[] = {
80 { "STRING", 0, TARGET_STRING },
81 { "TEXT", 0, TARGET_TEXT },
82 { "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT },
83 { "UTF8_STRING", 0, TARGET_UTF8_STRING },
86 static guint signals[N_SIGNALS];
91 } EvViewFindDirection;
93 #define ZOOM_IN_FACTOR 1.2
94 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
96 #define MIN_SCALE 0.05409
99 #define SCROLL_TIME 150
102 static void scroll_to_current_page (EvView *view,
103 GtkOrientation orientation);
104 static void ev_view_set_scroll_adjustments (EvView *view,
105 GtkAdjustment *hadjustment,
106 GtkAdjustment *vadjustment);
107 static void view_update_range_and_current_page (EvView *view);
108 static void set_scroll_adjustment (EvView *view,
109 GtkOrientation orientation,
110 GtkAdjustment *adjustment);
111 static void ev_view_set_scroll_adjustments (EvView *view,
112 GtkAdjustment *hadjustment,
113 GtkAdjustment *vadjustment);
114 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
116 GdkModifierType modifiers,
118 gboolean horizontal);
119 static void ensure_rectangle_is_visible (EvView *view,
122 /*** Geometry computations ***/
123 static void compute_border (EvView *view,
127 static void get_page_y_offset (EvView *view,
131 static gboolean get_page_extents (EvView *view,
133 GdkRectangle *page_area,
135 static void view_rect_to_doc_rect (EvView *view,
136 GdkRectangle *view_rect,
137 GdkRectangle *page_area,
138 EvRectangle *doc_rect);
139 static void doc_rect_to_view_rect (EvView *view,
141 EvRectangle *doc_rect,
142 GdkRectangle *view_rect);
143 static void find_page_at_location (EvView *view,
149 static gboolean doc_point_to_view_point (EvView *view,
152 GdkPoint *view_point);
154 static EvLink * ev_view_get_link_at_location (EvView *view,
157 static char* tip_from_link (EvView *view,
159 static void handle_link_over_xy (EvView *view,
162 /*** GtkWidget implementation ***/
163 static void ev_view_size_request_continuous_dual_page (EvView *view,
164 GtkRequisition *requisition);
165 static void ev_view_size_request_continuous (EvView *view,
166 GtkRequisition *requisition);
167 static void ev_view_size_request_dual_page (EvView *view,
168 GtkRequisition *requisition);
169 static void ev_view_size_request_single_page (EvView *view,
170 GtkRequisition *requisition);
171 static void ev_view_size_request (GtkWidget *widget,
172 GtkRequisition *requisition);
173 static void ev_view_size_allocate (GtkWidget *widget,
174 GtkAllocation *allocation);
175 static void ev_view_realize (GtkWidget *widget);
176 static gboolean ev_view_scroll_event (GtkWidget *widget,
177 GdkEventScroll *event);
178 static gboolean ev_view_expose_event (GtkWidget *widget,
179 GdkEventExpose *event);
180 static gboolean ev_view_popup_menu (GtkWidget *widget);
181 static gboolean ev_view_button_press_event (GtkWidget *widget,
182 GdkEventButton *event);
183 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
184 GdkEventMotion *event);
185 static gboolean ev_view_button_release_event (GtkWidget *widget,
186 GdkEventButton *event);
187 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
188 GdkEventCrossing *event);
189 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
190 GdkEventCrossing *event);
191 static void ev_view_style_set (GtkWidget *widget,
192 GtkStyle *old_style);
194 static AtkObject *ev_view_get_accessible (GtkWidget *widget);
197 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
198 static void draw_rubberband (GtkWidget *widget,
200 const GdkRectangle *rect,
202 static void highlight_find_results (EvView *view,
204 static void draw_one_page (EvView *view,
206 GdkRectangle *page_area,
208 GdkRectangle *expose_area);
209 static void draw_loading_text (EvView *view,
210 GdkRectangle *page_area,
211 GdkRectangle *expose_area);
214 static void find_changed_cb (EvDocument *document,
217 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
219 static void page_changed_cb (EvPageCache *page_cache,
222 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
226 static void ev_view_finalize (GObject *object);
227 static void ev_view_destroy (GtkObject *object);
228 static void ev_view_set_property (GObject *object,
232 static void ev_view_get_property (GObject *object,
236 static void ev_view_class_init (EvViewClass *class);
237 static void ev_view_init (EvView *view);
239 /*** Zoom and sizing ***/
240 static double zoom_for_size_fit_width (int doc_width,
245 static double zoom_for_size_fit_height (int doc_width,
250 static double zoom_for_size_best_fit (int doc_width,
256 static void ev_view_zoom_for_size_presentation (EvView *view,
259 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
264 static void ev_view_zoom_for_size_continuous (EvView *view,
269 static void ev_view_zoom_for_size_dual_page (EvView *view,
274 static void ev_view_zoom_for_size_single_page (EvView *view,
280 static GdkCursor* ev_view_create_invisible_cursor (void);
281 static void ev_view_set_cursor (EvView *view,
282 EvViewCursor new_cursor);
284 /*** Status messages ***/
285 static void ev_view_set_status (EvView *view,
286 const char *message);
287 static void update_find_status_message (EvView *view,
289 static void ev_view_set_find_status (EvView *view,
290 const char *message);
292 static void jump_to_find_result (EvView *view);
293 static void jump_to_find_page (EvView *view,
294 EvViewFindDirection direction,
298 static void compute_selections (EvView *view,
301 static void clear_selection (EvView *view);
302 static void selection_free (EvViewSelection *selection);
303 static char* get_selected_text (EvView *ev_view);
304 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
305 GtkSelectionData *selection_data,
308 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
310 static void ev_view_update_primary_selection (EvView *ev_view);
313 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_WIDGET)
316 scroll_to_current_page (EvView *view, GtkOrientation orientation)
320 if (view->document == NULL) {
324 doc_point_to_view_point (view, view->current_page, &view->pending_point, &view_point);
326 if (orientation == GTK_ORIENTATION_VERTICAL) {
327 view->pending_point.y = 0;
329 view->pending_point.x = 0;
332 if (orientation == GTK_ORIENTATION_VERTICAL) {
333 if (view->continuous) {
334 gtk_adjustment_clamp_page (view->vadjustment,
335 view_point.y - view->spacing / 2,
336 view_point.y + view->vadjustment->page_size);
338 gtk_adjustment_set_value (view->vadjustment,
340 view->vadjustment->lower,
341 view->vadjustment->upper -
342 view->vadjustment->page_size));
345 if (view->dual_page) {
346 gtk_adjustment_clamp_page (view->hadjustment,
348 view_point.x + view->hadjustment->page_size);
350 gtk_adjustment_set_value (view->hadjustment,
352 view->hadjustment->lower,
353 view->hadjustment->upper -
354 view->hadjustment->page_size));
360 view_set_adjustment_values (EvView *view,
361 GtkOrientation orientation)
363 GtkWidget *widget = GTK_WIDGET (view);
364 GtkAdjustment *adjustment;
371 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
372 requisition = widget->requisition.width;
373 allocation = widget->allocation.width;
374 adjustment = view->hadjustment;
376 requisition = widget->requisition.height;
377 allocation = widget->allocation.height;
378 adjustment = view->vadjustment;
385 switch (view->pending_scroll) {
386 case SCROLL_TO_KEEP_POSITION:
387 factor = (adjustment->value) / adjustment->upper;
389 case SCROLL_TO_PAGE_POSITION:
391 case SCROLL_TO_CENTER:
392 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
396 adjustment->page_size = allocation;
397 adjustment->step_increment = allocation * 0.1;
398 adjustment->page_increment = allocation * 0.9;
399 adjustment->lower = 0;
400 adjustment->upper = MAX (allocation, requisition);
403 * We add 0.5 to the values before to average out our rounding errors.
405 switch (view->pending_scroll) {
406 case SCROLL_TO_KEEP_POSITION:
407 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
408 gtk_adjustment_set_value (adjustment, (int)new_value);
410 case SCROLL_TO_PAGE_POSITION:
411 scroll_to_current_page (view, orientation);
413 case SCROLL_TO_CENTER:
414 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
415 0, adjustment->upper - adjustment->page_size);
416 gtk_adjustment_set_value (adjustment, (int)new_value);
420 gtk_adjustment_changed (adjustment);
424 view_update_range_and_current_page (EvView *view)
428 if (view->pending_scroll != SCROLL_TO_KEEP_POSITION)
431 /* Presentation trumps all other modes */
432 if (view->presentation) {
433 view->start_page = view->current_page;
434 view->end_page = view->current_page;
435 } else if (view->continuous) {
436 GdkRectangle current_area, unused, page_area;
438 gboolean found = FALSE;
441 if (!(view->vadjustment && view->hadjustment))
444 current_area.x = view->hadjustment->value;
445 current_area.width = view->hadjustment->upper;
446 current_area.y = view->vadjustment->value;
447 current_area.height = view->vadjustment->page_size;
449 for (i = 0; i < ev_page_cache_get_n_pages (view->page_cache); i++) {
451 get_page_extents (view, i, &page_area, &border);
453 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
455 view->start_page = i;
466 if (view->dual_page) {
467 if (view->current_page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) {
468 view->start_page = view->current_page;
469 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache))
470 view->end_page = view->start_page + 1;
472 view->end_page = view->start_page;
474 if (view->current_page - 1 < 0)
475 view->start_page = view->current_page;
477 view->start_page = view->current_page - 1;
478 view->end_page = view->current_page;
481 view->start_page = view->current_page;
482 view->end_page = view->current_page;
487 current_page = ev_page_cache_get_current_page (view->page_cache);
489 if (current_page < view->start_page || current_page > view->end_page) {
490 ev_page_cache_set_current_page (view->page_cache, view->start_page);
493 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
498 view->selection_info.selections);
502 set_scroll_adjustment (EvView *view,
503 GtkOrientation orientation,
504 GtkAdjustment *adjustment)
506 GtkAdjustment **to_set;
508 if (orientation == GTK_ORIENTATION_HORIZONTAL)
509 to_set = &view->hadjustment;
511 to_set = &view->vadjustment;
513 if (*to_set != adjustment) {
515 g_signal_handlers_disconnect_by_func (*to_set,
516 (gpointer) on_adjustment_value_changed,
518 g_object_unref (*to_set);
521 *to_set = adjustment;
522 view_set_adjustment_values (view, orientation);
525 g_object_ref (*to_set);
526 g_signal_connect (*to_set, "value_changed",
527 G_CALLBACK (on_adjustment_value_changed), view);
533 ev_view_set_scroll_adjustments (EvView *view,
534 GtkAdjustment *hadjustment,
535 GtkAdjustment *vadjustment)
537 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
538 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
540 on_adjustment_value_changed (NULL, view);
544 add_scroll_binding_keypad (GtkBindingSet *binding_set,
546 GdkModifierType modifiers,
550 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
552 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
553 "binding_activated", 2,
554 EV_TYPE_SCROLL_TYPE, scroll,
555 G_TYPE_BOOLEAN, horizontal);
556 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
557 "binding_activated", 2,
558 EV_TYPE_SCROLL_TYPE, scroll,
559 G_TYPE_BOOLEAN, horizontal);
563 ev_view_scroll (EvView *view,
567 GtkAdjustment *adjustment;
568 double value, increment;
569 gboolean first_page = FALSE;
570 gboolean last_page = FALSE;
572 if (view->presentation) {
574 case EV_SCROLL_STEP_BACKWARD:
575 ev_view_previous_page (view);
577 case EV_SCROLL_STEP_FORWARD:
578 ev_view_next_page (view);
586 /* Assign values for increment and vertical adjustment */
587 adjustment = horizontal ? view->hadjustment : view->vadjustment;
588 increment = adjustment->page_size * 0.75;
589 value = adjustment->value;
591 /* Assign boolean for first and last page */
592 if (view->current_page == 0)
594 if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1)
598 case EV_SCROLL_PAGE_BACKWARD:
599 /* Do not jump backwards if at the first page */
600 if (value == (adjustment->lower) && first_page) {
602 /* At the top of a page, assign the upper bound limit of previous page */
603 } else if (value == (adjustment->lower)) {
604 value = adjustment->upper - adjustment->page_size;
605 ev_view_previous_page (view);
606 /* Jump to the top */
608 value = MAX (value - increment, adjustment->lower);
611 case EV_SCROLL_PAGE_FORWARD:
612 /* Do not jump forward if at the last page */
613 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
615 /* At the bottom of a page, assign the lower bound limit of next page */
616 } else if (value == (adjustment->upper - adjustment->page_size)) {
618 ev_view_next_page (view);
619 /* Jump to the bottom */
621 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
624 case EV_SCROLL_STEP_BACKWARD:
625 value -= adjustment->step_increment;
627 case EV_SCROLL_STEP_FORWARD:
628 value += adjustment->step_increment;
630 case EV_SCROLL_STEP_DOWN:
631 value -= adjustment->step_increment / 10;
633 case EV_SCROLL_STEP_UP:
634 value += adjustment->step_increment / 10;
640 value = CLAMP (value, adjustment->lower,
641 adjustment->upper - adjustment->page_size);
643 gtk_adjustment_set_value (adjustment, value);
650 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
652 GtkWidget *widget = GTK_WIDGET (view);
653 GtkAdjustment *adjustment;
656 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
658 adjustment = view->vadjustment;
660 if (rect->y < adjustment->value) {
661 value = MAX (adjustment->lower, rect->y - MARGIN);
662 gtk_adjustment_set_value (view->vadjustment, value);
663 } else if (rect->y + rect->height >
664 adjustment->value + widget->allocation.height) {
665 value = MIN (adjustment->upper, rect->y + rect->height -
666 widget->allocation.height + MARGIN);
667 gtk_adjustment_set_value (view->vadjustment, value);
670 adjustment = view->hadjustment;
672 if (rect->x < adjustment->value) {
673 value = MAX (adjustment->lower, rect->x - MARGIN);
674 gtk_adjustment_set_value (view->hadjustment, value);
675 } else if (rect->x + rect->height >
676 adjustment->value + widget->allocation.width) {
677 value = MIN (adjustment->upper, rect->x + rect->width -
678 widget->allocation.width + MARGIN);
679 gtk_adjustment_set_value (view->hadjustment, value);
683 /*** Geometry computations ***/
686 compute_border (EvView *view, int width, int height, GtkBorder *border)
688 if (view->presentation) {
694 ev_document_misc_get_page_border_size (width, height, border);
699 get_page_y_offset (EvView *view, int page, double zoom, int *y_offset)
701 int max_width, offset;
704 g_return_if_fail (y_offset != NULL);
706 ev_page_cache_get_max_width (view->page_cache, view->rotation, zoom, &max_width);
708 compute_border (view, max_width, max_width, &border);
710 if (view->dual_page) {
711 ev_page_cache_get_height_to_page (view->page_cache, page,
712 view->rotation, zoom, NULL, &offset);
713 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);
715 ev_page_cache_get_height_to_page (view->page_cache, page,
716 view->rotation, zoom, &offset, NULL);
717 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
725 get_page_extents (EvView *view,
727 GdkRectangle *page_area,
733 widget = GTK_WIDGET (view);
735 /* Get the size of the page */
736 ev_page_cache_get_size (view->page_cache, page,
740 compute_border (view, width, height, border);
741 page_area->width = width + border->left + border->right;
742 page_area->height = height + border->top + border->bottom;
744 if (view->presentation) {
745 page_area->x = (MAX (0, widget->allocation.width - width))/2;
746 page_area->y = (MAX (0, widget->allocation.height - height))/2;
747 } else if (view->continuous) {
751 ev_page_cache_get_max_width (view->page_cache, view->rotation,
752 view->scale, &max_width);
753 max_width = max_width + border->left + border->right;
754 /* Get the location of the bounding box */
755 if (view->dual_page) {
756 x = view->spacing + ((page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? 0 : 1) * (max_width + view->spacing);
757 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
758 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
759 x = x + (max_width - width - border->left - border->right);
762 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
765 get_page_y_offset (view, page, view->scale, &y);
771 if (view->dual_page) {
772 gint width_2, height_2;
773 gint max_width = width;
774 gint max_height = height;
775 GtkBorder overall_border;
778 other_page = (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? page + 1: page - 1;
780 /* First, we get the bounding box of the two pages */
781 if (other_page < ev_page_cache_get_n_pages (view->page_cache)
782 && (0 <= other_page)) {
783 ev_page_cache_get_size (view->page_cache,
787 &width_2, &height_2);
790 if (height_2 > height)
791 max_height = height_2;
793 compute_border (view, max_width, max_height, &overall_border);
795 /* Find the offsets */
799 /* Adjust for being the left or right page */
800 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
801 x = x + max_width - width;
803 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
805 y = y + (max_height - height)/2;
807 /* Adjust for extra allocation */
808 x = x + MAX (0, widget->allocation.width -
809 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
810 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
815 /* Adjust for extra allocation */
816 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
817 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
828 view_point_to_doc_point (EvView *view,
829 GdkPoint *view_point,
830 GdkRectangle *page_area,
834 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
835 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
839 view_rect_to_doc_rect (EvView *view,
840 GdkRectangle *view_rect,
841 GdkRectangle *page_area,
842 EvRectangle *doc_rect)
844 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
845 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
846 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
847 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
851 doc_point_to_view_point (EvView *view,
854 GdkPoint *view_point)
856 GdkRectangle page_area;
858 double x, y, view_x, view_y;
861 ev_page_cache_get_size (view->page_cache, page,
866 if (view->rotation == 0) {
869 } else if (view->rotation == 90) {
870 x = width - doc_point->y;
872 } else if (view->rotation == 180) {
873 x = width - doc_point->x;
874 y = height - doc_point->y;
875 } else if (view->rotation == 270) {
877 y = height - doc_point->x;
879 g_assert_not_reached ();
882 get_page_extents (view, page, &page_area, &border);
884 view_x = x * view->scale;
885 view_y = y * view->scale;
886 view_point->x = view_x + page_area.x;
887 view_point->y = view_y + page_area.y;
889 return (view_x > 0 && view_x <= page_area.width &&
890 view_y > 0 && view_y <= page_area.height);
894 doc_rect_to_view_rect (EvView *view,
896 EvRectangle *doc_rect,
897 GdkRectangle *view_rect)
899 GdkRectangle page_area;
904 ev_page_cache_get_size (view->page_cache, page,
909 if (view->rotation == 0) {
912 w = doc_rect->x2 - doc_rect->x1;
913 h = doc_rect->y2 - doc_rect->y1;
914 } else if (view->rotation == 90) {
915 x = width - doc_rect->y2;
917 w = doc_rect->y2 - doc_rect->y1;
918 h = doc_rect->x2 - doc_rect->x1;
919 } else if (view->rotation == 180) {
920 x = width - doc_rect->x2;
921 y = height - doc_rect->y2;
922 w = doc_rect->x2 - doc_rect->x1;
923 h = doc_rect->y2 - doc_rect->y1;
924 } else if (view->rotation == 270) {
926 y = height - doc_rect->x2;
927 w = doc_rect->y2 - doc_rect->y1;
928 h = doc_rect->x2 - doc_rect->x1;
930 g_assert_not_reached ();
933 get_page_extents (view, page, &page_area, &border);
935 view_rect->x = x * view->scale + page_area.x;
936 view_rect->y = y * view->scale + page_area.y;
937 view_rect->width = w * view->scale;
938 view_rect->height = h * view->scale;
942 find_page_at_location (EvView *view,
951 if (view->document == NULL)
958 for (i = view->start_page; i <= view->end_page; i++) {
959 GdkRectangle page_area;
962 if (! get_page_extents (view, i, &page_area, &border))
965 if ((x >= page_area.x + border.left) &&
966 (x < page_area.x + page_area.width - border.right) &&
967 (y >= page_area.y + border.top) &&
968 (y < page_area.y + page_area.height - border.bottom)) {
970 *x_offset = x - (page_area.x + border.left);
971 *y_offset = y - (page_area.y + border.top);
980 location_in_text (EvView *view,
986 gint x_offset = 0, y_offset = 0;
988 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
993 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
996 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1002 ev_view_get_width (EvView *view)
1004 return GTK_WIDGET (view)->allocation.width;
1008 ev_view_get_height (EvView *view)
1010 return GTK_WIDGET (view)->allocation.height;
1014 location_in_selected_text (EvView *view,
1019 gint x_offset = 0, y_offset = 0;
1020 EvViewSelection *selection;
1023 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1024 selection = (EvViewSelection *)l->data;
1026 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1028 if (page != selection->page)
1031 if (selection->covered_region &&
1032 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1041 ev_view_get_link_at_location (EvView *view,
1046 gint x_offset = 0, y_offset = 0;
1047 GList *link_mapping;
1049 x += view->scroll_x;
1050 y += view->scroll_y;
1052 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1057 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1060 return ev_link_mapping_find (link_mapping, x_offset / view->scale, y_offset / view->scale);
1066 goto_fitr_link (EvView *view, EvLink *link)
1072 zoom = zoom_for_size_best_fit (ev_link_get_right (link) - ev_link_get_left (link),
1073 ev_link_get_top (link) - ev_link_get_bottom (link),
1074 ev_view_get_width (view),
1075 ev_view_get_height (view), 0, 0);
1077 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1078 ev_view_set_zoom (view, zoom, FALSE);
1080 page = ev_link_get_page (link);
1081 doc_point.x = ev_link_get_left (link);
1082 doc_point.y = ev_link_get_top (link);
1084 view->current_page = page;
1085 view->pending_point = doc_point;
1086 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1088 gtk_widget_queue_resize (GTK_WIDGET (view));
1092 goto_fitv_link (EvView *view, EvLink *link)
1095 int doc_width, doc_height, page;
1098 page = ev_link_get_page (link);
1099 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1101 doc_point.x = ev_link_get_left (link);
1104 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1105 ev_view_get_width (view),
1106 ev_view_get_height (view), 0);
1108 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1109 ev_view_set_zoom (view, zoom, FALSE);
1111 view->current_page = page;
1112 view->pending_point = doc_point;
1113 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1115 gtk_widget_queue_resize (GTK_WIDGET (view));
1119 goto_fith_link (EvView *view, EvLink *link)
1122 int doc_width, doc_height, page;
1125 page = ev_link_get_page (link);
1126 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1129 doc_point.y = doc_height - ev_link_get_top (link);
1131 zoom = zoom_for_size_fit_width (doc_width, ev_link_get_top (link),
1132 ev_view_get_width (view),
1133 ev_view_get_height (view), 0);
1135 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1136 ev_view_set_zoom (view, zoom, FALSE);
1138 view->current_page = page;
1139 view->pending_point = doc_point;
1140 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1142 gtk_widget_queue_resize (GTK_WIDGET (view));
1146 goto_fit_link (EvView *view, EvLink *link)
1149 int doc_width, doc_height;
1152 page = ev_link_get_page (link);
1153 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1155 zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view),
1156 ev_view_get_height (view), 0, 0);
1158 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1159 ev_view_set_zoom (view, zoom, FALSE);
1161 view->current_page = page;
1162 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1164 gtk_widget_queue_resize (GTK_WIDGET (view));
1168 goto_xyz_link (EvView *view, EvLink *link)
1174 zoom = ev_link_get_zoom (link);
1175 page = ev_link_get_page (link);
1176 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, NULL, &height);
1179 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1180 ev_view_set_zoom (view, zoom, FALSE);
1183 doc_point.x = ev_link_get_left (link);
1184 doc_point.y = height - ev_link_get_top (link);
1186 view->current_page = page;
1187 view->pending_point = doc_point;
1188 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1190 gtk_widget_queue_resize (GTK_WIDGET (view));
1194 ev_view_goto_link (EvView *view, EvLink *link)
1199 type = ev_link_get_link_type (link);
1202 case EV_LINK_TYPE_TITLE:
1204 case EV_LINK_TYPE_PAGE:
1205 page = ev_link_get_page (link);
1206 ev_page_cache_set_current_page (view->page_cache, page);
1208 case EV_LINK_TYPE_PAGE_FIT:
1209 goto_fit_link (view, link);
1211 case EV_LINK_TYPE_PAGE_FITH:
1212 goto_fith_link (view, link);
1214 case EV_LINK_TYPE_PAGE_FITV:
1215 goto_fitv_link (view, link);
1217 case EV_LINK_TYPE_PAGE_FITR:
1218 goto_fitr_link (view, link);
1220 case EV_LINK_TYPE_PAGE_XYZ:
1221 goto_xyz_link (view, link);
1223 case EV_LINK_TYPE_EXTERNAL_URI:
1224 case EV_LINK_TYPE_LAUNCH:
1225 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, link);
1231 tip_from_link (EvView *view, EvLink *link)
1237 type = ev_link_get_link_type (link);
1240 case EV_LINK_TYPE_TITLE:
1241 if (ev_link_get_title (link))
1242 msg = g_strdup (ev_link_get_title (link));
1244 case EV_LINK_TYPE_PAGE:
1245 case EV_LINK_TYPE_PAGE_XYZ:
1246 page_label = ev_page_cache_get_page_label (view->page_cache, ev_link_get_page (link));
1247 msg = g_strdup_printf (_("Go to page %s"), page_label);
1248 g_free (page_label);
1250 case EV_LINK_TYPE_EXTERNAL_URI:
1251 msg = g_strdup (ev_link_get_uri (link));
1261 handle_link_over_xy (EvView *view, gint x, gint y)
1265 link = ev_view_get_link_at_location (view, x, y);
1267 if (view->link_tooltip == NULL) {
1268 view->link_tooltip = ev_tooltip_new (GTK_WIDGET (view));
1271 if (view->hovered_link != link) {
1272 view->hovered_link = link;
1273 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
1277 char *msg = tip_from_link (view, link);
1279 if (msg && g_utf8_validate (msg, -1, NULL)) {
1280 EvTooltip *tooltip = EV_TOOLTIP (view->link_tooltip);
1282 ev_tooltip_set_position (tooltip, x, y);
1283 ev_tooltip_set_text (tooltip, msg);
1284 ev_tooltip_activate (tooltip);
1288 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1289 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1290 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1292 ev_view_set_status (view, NULL);
1293 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1294 view->cursor == EV_VIEW_CURSOR_IBEAM)
1295 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1300 /*** GtkWidget implementation ***/
1303 ev_view_size_request_continuous_dual_page (EvView *view,
1304 GtkRequisition *requisition)
1310 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1311 view->scale, &max_width);
1312 compute_border (view, max_width, max_width, &border);
1314 n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1;
1316 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
1317 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1319 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1320 requisition->width = 1;
1321 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1322 requisition->width = 1;
1323 /* FIXME: This could actually be set on one page docs or docs
1324 * with a strange aspect ratio. */
1325 /* requisition->height = 1;*/
1330 ev_view_size_request_continuous (EvView *view,
1331 GtkRequisition *requisition)
1338 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1339 view->scale, &max_width);
1340 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1341 compute_border (view, max_width, max_width, &border);
1343 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
1344 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1346 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1347 requisition->width = 1;
1348 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1349 requisition->width = 1;
1350 /* FIXME: This could actually be set on one page docs or docs
1351 * with a strange aspect ratio. */
1352 /* requisition->height = 1;*/
1357 ev_view_size_request_dual_page (EvView *view,
1358 GtkRequisition *requisition)
1363 /* Find the largest of the two. */
1364 ev_page_cache_get_size (view->page_cache,
1369 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) {
1370 gint width_2, height_2;
1371 ev_page_cache_get_size (view->page_cache,
1372 view->current_page + 1,
1375 &width_2, &height_2);
1376 if (width_2 > width) {
1381 compute_border (view, width, height, &border);
1383 requisition->width = ((width + border.left + border.right) * 2) +
1384 (view->spacing * 3);
1385 requisition->height = (height + border.top + border.bottom) +
1386 (view->spacing * 2);
1388 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1389 requisition->width = 1;
1390 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1391 requisition->width = 1;
1392 requisition->height = 1;
1397 ev_view_size_request_single_page (EvView *view,
1398 GtkRequisition *requisition)
1403 ev_page_cache_get_size (view->page_cache,
1408 compute_border (view, width, height, &border);
1410 requisition->width = width + border.left + border.right + (2 * view->spacing);
1411 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1413 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1414 requisition->width = 1;
1415 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1416 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1417 requisition->width = 1;
1418 requisition->height = 1;
1423 ev_view_size_request (GtkWidget *widget,
1424 GtkRequisition *requisition)
1426 EvView *view = EV_VIEW (widget);
1428 if (view->document == NULL) {
1429 requisition->width = 1;
1430 requisition->height = 1;
1434 if (view->presentation) {
1435 requisition->width = 1;
1436 requisition->height = 1;
1440 if (view->continuous && view->dual_page)
1441 ev_view_size_request_continuous_dual_page (view, requisition);
1442 else if (view->continuous)
1443 ev_view_size_request_continuous (view, requisition);
1444 else if (view->dual_page)
1445 ev_view_size_request_dual_page (view, requisition);
1447 ev_view_size_request_single_page (view, requisition);
1451 ev_view_size_allocate (GtkWidget *widget,
1452 GtkAllocation *allocation)
1454 EvView *view = EV_VIEW (widget);
1456 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
1457 view->sizing_mode == EV_SIZING_BEST_FIT) {
1459 g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0);
1461 ev_view_size_request (widget, &widget->requisition);
1464 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
1465 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
1467 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
1468 view->pending_resize = FALSE;
1471 view_update_range_and_current_page (view);
1473 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
1477 ev_view_realize (GtkWidget *widget)
1479 EvView *view = EV_VIEW (widget);
1480 GdkWindowAttr attributes;
1482 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
1485 attributes.window_type = GDK_WINDOW_CHILD;
1486 attributes.wclass = GDK_INPUT_OUTPUT;
1487 attributes.visual = gtk_widget_get_visual (widget);
1488 attributes.colormap = gtk_widget_get_colormap (widget);
1490 attributes.x = widget->allocation.x;
1491 attributes.y = widget->allocation.y;
1492 attributes.width = widget->allocation.width;
1493 attributes.height = widget->allocation.height;
1494 attributes.event_mask = GDK_EXPOSURE_MASK |
1495 GDK_BUTTON_PRESS_MASK |
1496 GDK_BUTTON_RELEASE_MASK |
1498 GDK_KEY_PRESS_MASK |
1499 GDK_POINTER_MOTION_MASK |
1500 GDK_POINTER_MOTION_HINT_MASK |
1501 GDK_ENTER_NOTIFY_MASK |
1502 GDK_LEAVE_NOTIFY_MASK;
1504 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
1506 GDK_WA_X | GDK_WA_Y |
1509 gdk_window_set_user_data (widget->window, widget);
1510 widget->style = gtk_style_attach (widget->style, widget->window);
1512 if (view->presentation)
1513 gdk_window_set_background (widget->window, &widget->style->black);
1515 gdk_window_set_background (widget->window, &widget->style->mid [GTK_STATE_NORMAL]);
1519 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
1521 EvView *view = EV_VIEW (widget);
1524 state = event->state & gtk_accelerator_get_default_mod_mask ();
1526 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
1527 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1529 if (event->direction == GDK_SCROLL_UP ||
1530 event->direction == GDK_SCROLL_LEFT) {
1531 if (ev_view_can_zoom_in (view)) {
1532 ev_view_zoom_in (view);
1535 if (ev_view_can_zoom_out (view)) {
1536 ev_view_zoom_out (view);
1543 /* Shift+Wheel scrolls the in the perpendicular direction */
1544 if (state & GDK_SHIFT_MASK) {
1545 if (event->direction == GDK_SCROLL_UP)
1546 event->direction = GDK_SCROLL_LEFT;
1547 if (event->direction == GDK_SCROLL_LEFT)
1548 event->direction = GDK_SCROLL_UP;
1549 if (event->direction == GDK_SCROLL_DOWN)
1550 event->direction = GDK_SCROLL_RIGHT;
1551 if (event->direction == GDK_SCROLL_RIGHT)
1552 event->direction = GDK_SCROLL_DOWN;
1554 event->state &= ~GDK_SHIFT_MASK;
1555 state &= ~GDK_SHIFT_MASK;
1558 if (state == 0 && view->presentation) {
1559 switch (event->direction) {
1560 case GDK_SCROLL_DOWN:
1561 case GDK_SCROLL_RIGHT:
1562 ev_view_next_page (view);
1565 case GDK_SCROLL_LEFT:
1566 ev_view_previous_page (view);
1576 static EvViewSelection *
1577 find_selection_for_page (EvView *view,
1582 for (list = view->selection_info.selections; list != NULL; list = list->next) {
1583 EvViewSelection *selection;
1585 selection = (EvViewSelection *) list->data;
1587 if (selection->page == page)
1595 ev_view_expose_event (GtkWidget *widget,
1596 GdkEventExpose *event)
1598 EvView *view = EV_VIEW (widget);
1601 if (view->loading) {
1602 draw_loading_text (view,
1603 &(widget->allocation),
1607 if (view->document == NULL)
1610 for (i = view->start_page; i <= view->end_page; i++) {
1611 GdkRectangle page_area;
1614 if (!get_page_extents (view, i, &page_area, &border))
1617 page_area.x -= view->scroll_x;
1618 page_area.y -= view->scroll_y;
1620 draw_one_page (view, i, &page_area, &border, &(event->area));
1622 if (EV_IS_DOCUMENT_FIND (view->document))
1623 highlight_find_results (view, i);
1630 ev_view_popup_menu (GtkWidget *widget)
1634 EvView *view = EV_VIEW (widget);
1636 gtk_widget_get_pointer (widget, &x, &y);
1637 link = ev_view_get_link_at_location (view, x, y);
1638 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
1643 ev_view_button_press_event (GtkWidget *widget,
1644 GdkEventButton *event)
1646 EvView *view = EV_VIEW (widget);
1649 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
1650 gtk_widget_grab_focus (widget);
1653 view->pressed_button = event->button;
1654 view->selection_info.in_drag = FALSE;
1656 switch (event->button) {
1658 if (view->selection_info.selections) {
1659 if (location_in_selected_text (view,
1660 event->x + view->scroll_x,
1661 event->y + view->scroll_y)) {
1662 view->selection_info.in_drag = TRUE;
1664 clear_selection (view);
1667 gtk_widget_queue_draw (widget);
1670 view->selection_info.start.x = event->x + view->scroll_x;
1671 view->selection_info.start.y = event->y + view->scroll_y;
1675 /* use root coordinates as reference point because
1676 * scrolling changes window relative coordinates */
1677 view->drag_info.start.x = event->x_root;
1678 view->drag_info.start.y = event->y_root;
1679 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
1680 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
1682 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1686 link = ev_view_get_link_at_location (view, event->x, event->y);
1687 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
1695 ev_view_drag_data_get (GtkWidget *widget,
1696 GdkDragContext *context,
1697 GtkSelectionData *selection_data,
1701 EvView *view = EV_VIEW (widget);
1703 if (view->selection_info.selections &&
1704 ev_document_can_get_text (view->document)) {
1707 text = get_selected_text (view);
1709 gtk_selection_data_set_text (selection_data, text, strlen (text));
1716 selection_update_idle_cb (EvView *view)
1718 compute_selections (view, &view->selection_info.start, &view->motion);
1719 view->selection_update_id = 0;
1724 selection_scroll_timeout_cb (EvView *view)
1726 gint x, y, shift = 0;
1727 GtkWidget *widget = GTK_WIDGET (view);
1729 gtk_widget_get_pointer (widget, &x, &y);
1731 if (y > widget->allocation.height) {
1732 shift = (y - widget->allocation.height) / 2;
1738 gtk_adjustment_set_value (view->vadjustment,
1739 CLAMP (view->vadjustment->value + shift,
1740 view->vadjustment->lower,
1741 view->vadjustment->upper -
1742 view->vadjustment->page_size));
1744 if (x > widget->allocation.width) {
1745 shift = (x - widget->allocation.width) / 2;
1751 gtk_adjustment_set_value (view->hadjustment,
1752 CLAMP (view->hadjustment->value + shift,
1753 view->hadjustment->lower,
1754 view->hadjustment->upper -
1755 view->hadjustment->page_size));
1761 ev_view_motion_notify_event (GtkWidget *widget,
1762 GdkEventMotion *event)
1764 EvView *view = EV_VIEW (widget);
1767 if (!view->document)
1770 if (event->is_hint || event->window != widget->window) {
1771 gtk_widget_get_pointer (widget, &x, &y);
1777 if (view->selection_info.in_drag) {
1778 if (gtk_drag_check_threshold (widget,
1779 view->selection_info.start.x,
1780 view->selection_info.start.y,
1782 GdkDragContext *context;
1783 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
1785 gtk_target_list_add_text_targets (target_list, 0);
1787 context = gtk_drag_begin (widget, target_list,
1789 1, (GdkEvent *)event);
1791 view->selection_info.in_drag = FALSE;
1793 gtk_target_list_unref (target_list);
1799 /* For the Evince 0.4.x release, we limit selection to un-rotated
1802 if (view->pressed_button == 1 && view->rotation == 0) {
1804 /* Schedule timeout to scroll during selection and additionally
1805 * scroll once to allow arbitrary speed. */
1806 if (!view->selection_scroll_id)
1807 view->selection_scroll_id = g_timeout_add (SCROLL_TIME, (GSourceFunc)selection_scroll_timeout_cb, view);
1809 selection_scroll_timeout_cb (view);
1811 view->selection_info.in_selection = TRUE;
1812 view->motion.x = x + view->scroll_x;
1813 view->motion.y = y + view->scroll_y;
1815 /* Queue an idle to handle the motion. We do this because
1816 * handling any selection events in the motion could be slower
1817 * than new motion events reach us. We always put it in the
1818 * idle to make sure we catch up and don't visibly lag the
1820 if (!view->selection_update_id)
1821 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
1824 } else if (view->pressed_button == 2) {
1825 if (!view->drag_info.in_drag) {
1828 start = gtk_drag_check_threshold (widget,
1829 view->drag_info.start.x,
1830 view->drag_info.start.y,
1833 view->drag_info.in_drag = start;
1836 if (view->drag_info.in_drag) {
1838 gdouble dhadj_value, dvadj_value;
1840 dx = event->x_root - view->drag_info.start.x;
1841 dy = event->y_root - view->drag_info.start.y;
1843 dhadj_value = view->hadjustment->page_size *
1844 (gdouble)dx / widget->allocation.width;
1845 dvadj_value = view->vadjustment->page_size *
1846 (gdouble)dy / widget->allocation.height;
1848 /* clamp scrolling to visible area */
1849 gtk_adjustment_set_value (view->hadjustment,
1850 MIN(view->drag_info.hadj - dhadj_value,
1851 view->hadjustment->upper -
1852 view->hadjustment->page_size));
1853 gtk_adjustment_set_value (view->vadjustment,
1854 MIN(view->drag_info.vadj - dvadj_value,
1855 view->vadjustment->upper -
1856 view->vadjustment->page_size));
1860 /* For the Evince 0.4.x release, we limit links to un-rotated documents
1863 } else if (view->pressed_button <= 0 &&
1864 view->rotation == 0) {
1865 handle_link_over_xy (view, x, y);
1873 ev_view_button_release_event (GtkWidget *widget,
1874 GdkEventButton *event)
1876 EvView *view = EV_VIEW (widget);
1879 if (view->pressed_button == 2) {
1880 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1883 if (view->document) {
1884 link = ev_view_get_link_at_location (view, event->x, event->y);
1889 view->pressed_button = -1;
1890 view->drag_info.in_drag = FALSE;
1892 if (view->selection_scroll_id) {
1893 g_source_remove (view->selection_scroll_id);
1894 view->selection_scroll_id = 0;
1896 if (view->selection_update_id) {
1897 g_source_remove (view->selection_update_id);
1898 view->selection_update_id = 0;
1901 if (view->selection_info.selections) {
1902 ev_view_update_primary_selection (view);
1904 if (view->selection_info.in_drag) {
1905 clear_selection (view);
1906 gtk_widget_queue_draw (widget);
1909 view->selection_info.in_drag = FALSE;
1911 ev_view_goto_link (view, link);
1912 } else if (view->presentation) {
1913 switch (event->button) {
1915 ev_view_next_page (view);
1918 ev_view_previous_page (view);
1927 ev_view_focus_in (GtkWidget *widget,
1928 GdkEventFocus *event)
1930 if (EV_VIEW (widget)->pixbuf_cache)
1931 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
1932 gtk_widget_queue_draw (widget);
1938 ev_view_focus_out (GtkWidget *widget,
1939 GdkEventFocus *event)
1941 if (EV_VIEW (widget)->pixbuf_cache)
1942 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
1943 gtk_widget_queue_draw (widget);
1949 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
1951 EvView *view = EV_VIEW (widget);
1953 ev_view_set_status (view, NULL);
1955 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1956 view->cursor == EV_VIEW_CURSOR_IBEAM)
1957 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1959 if (view->link_tooltip) {
1960 view->hovered_link = NULL;
1961 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
1968 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
1970 EvView *view = EV_VIEW (widget);
1972 handle_link_over_xy (view, event->x, event->y);
1978 ev_view_style_set (GtkWidget *widget,
1979 GtkStyle *old_style)
1981 if (EV_VIEW (widget)->pixbuf_cache)
1982 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
1984 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
1990 ev_gdk_color_to_rgb (const GdkColor *color)
1993 result = (0xff0000 | (color->red & 0xff00));
1995 result |= ((color->green & 0xff00) | (color->blue >> 8));
2000 draw_rubberband (GtkWidget *widget, GdkWindow *window,
2001 const GdkRectangle *rect, guchar alpha)
2005 GdkColor *fill_color_gdk;
2008 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
2009 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
2011 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
2012 rect->width, rect->height);
2013 gdk_pixbuf_fill (pixbuf, fill_color);
2015 gdk_draw_pixbuf (window, NULL, pixbuf,
2017 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
2018 rect->width, rect->height,
2019 GDK_RGB_DITHER_NONE,
2022 g_object_unref (pixbuf);
2024 gc = gdk_gc_new (window);
2025 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
2026 gdk_draw_rectangle (window, gc, FALSE,
2027 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
2030 g_object_unref (gc);
2032 gdk_color_free (fill_color_gdk);
2037 highlight_find_results (EvView *view, int page)
2039 EvDocumentFind *find;
2042 g_return_if_fail (EV_IS_DOCUMENT_FIND (view->document));
2044 find = EV_DOCUMENT_FIND (view->document);
2046 results = ev_document_find_get_n_results (find, page);
2048 for (i = 0; i < results; i++) {
2049 EvRectangle rectangle;
2050 GdkRectangle view_rectangle;
2053 if (i == view->find_result && page == view->current_page) {
2059 ev_document_find_get_result (find, page, i, &rectangle);
2060 doc_rect_to_view_rect (view, page, &rectangle, &view_rectangle);
2061 draw_rubberband (GTK_WIDGET (view), GTK_WIDGET(view)->window,
2062 &view_rectangle, alpha);
2067 draw_loading_text (EvView *view,
2068 GdkRectangle *page_area,
2069 GdkRectangle *expose_area)
2071 PangoLayout *layout;
2072 PangoFontDescription *font_desc;
2073 PangoRectangle logical_rect;
2077 const char *loading_text = _("Loading...");
2079 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
2081 font_desc = pango_font_description_new ();
2084 /* We set the font to be 10 points, get the size, and scale appropriately */
2085 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
2086 pango_layout_set_font_description (layout, font_desc);
2087 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2089 /* Make sure we fit the middle of the page */
2090 target_width = MAX (page_area->width / 2, 1);
2091 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
2092 pango_font_description_set_size (font_desc, (int)real_scale);
2093 pango_layout_set_font_description (layout, font_desc);
2094 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2096 gtk_paint_layout (GTK_WIDGET (view)->style,
2097 GTK_WIDGET (view)->window,
2098 GTK_WIDGET_STATE (view),
2103 page_area->x + (target_width/2),
2104 page_area->y + (page_area->height - logical_rect.height) / 2,
2107 pango_font_description_free (font_desc);
2108 g_object_unref (layout);
2112 draw_one_page (EvView *view,
2114 GdkRectangle *page_area,
2116 GdkRectangle *expose_area)
2119 GdkPixbuf *current_pixbuf;
2120 GdkRectangle overlap;
2121 GdkRectangle real_page_area;
2122 EvViewSelection *selection;
2124 g_assert (view->document);
2125 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
2128 selection = find_selection_for_page (view, page);
2129 ev_page_cache_get_size (view->page_cache,
2130 page, view->rotation,
2133 /* Render the document itself */
2134 real_page_area = *page_area;
2136 real_page_area.x += border->left;
2137 real_page_area.y += border->top;
2138 real_page_area.width -= (border->left + border->right);
2139 real_page_area.height -= (border->top + border->bottom);
2141 ev_document_misc_paint_one_page (GTK_WIDGET(view)->window,
2145 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
2146 GdkPixbuf *selection_pixbuf = NULL;
2147 GdkPixbuf *scaled_image;
2148 GdkPixbuf *scaled_selection;
2150 current_pixbuf = ev_pixbuf_cache_get_pixbuf (view->pixbuf_cache, page);
2152 /* Get the selection pixbuf iff we have something to draw */
2153 if (current_pixbuf && view->selection_mode == EV_VIEW_SELECTION_TEXT && selection)
2154 selection_pixbuf = ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
2159 if (current_pixbuf == NULL)
2160 scaled_image = NULL;
2161 else if (width == gdk_pixbuf_get_width (current_pixbuf) &&
2162 height == gdk_pixbuf_get_height (current_pixbuf))
2163 scaled_image = g_object_ref (current_pixbuf);
2165 /* FIXME: We don't want to scale the whole area, just the right
2167 scaled_image = gdk_pixbuf_scale_simple (current_pixbuf,
2169 GDK_INTERP_NEAREST);
2171 if (selection_pixbuf == NULL)
2172 scaled_selection = NULL;
2173 else if (width == gdk_pixbuf_get_width (selection_pixbuf) &&
2174 height == gdk_pixbuf_get_height (selection_pixbuf))
2175 scaled_selection = g_object_ref (selection_pixbuf);
2177 /* FIXME: We don't want to scale the whole area, just the right
2179 scaled_selection = gdk_pixbuf_scale_simple (selection_pixbuf,
2181 GDK_INTERP_NEAREST);
2184 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2185 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2187 overlap.x - real_page_area.x,
2188 overlap.y - real_page_area.y,
2189 overlap.x, overlap.y,
2190 overlap.width, overlap.height,
2191 GDK_RGB_DITHER_NORMAL,
2193 g_object_unref (scaled_image);
2195 draw_loading_text (view,
2200 if (scaled_selection) {
2201 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2202 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2204 overlap.x - real_page_area.x,
2205 overlap.y - real_page_area.y,
2206 overlap.x, overlap.y,
2207 overlap.width, overlap.height,
2208 GDK_RGB_DITHER_NORMAL,
2210 g_object_unref (scaled_selection);
2215 /*** GObject functions ***/
2218 ev_view_finalize (GObject *object)
2220 EvView *view = EV_VIEW (object);
2224 g_free (view->status);
2225 g_free (view->find_status);
2227 clear_selection (view);
2229 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
2233 ev_view_destroy (GtkObject *object)
2235 EvView *view = EV_VIEW (object);
2237 if (view->document) {
2238 g_object_unref (view->document);
2239 view->document = NULL;
2242 if (view->pixbuf_cache) {
2243 g_object_unref (view->pixbuf_cache);
2244 view->pixbuf_cache = NULL;
2247 if (view->link_tooltip) {
2248 gtk_widget_destroy (view->link_tooltip);
2251 if (view->selection_scroll_id) {
2252 g_source_remove (view->selection_scroll_id);
2253 view->selection_scroll_id = 0;
2256 if (view->selection_update_id) {
2257 g_source_remove (view->selection_update_id);
2258 view->selection_update_id = 0;
2261 ev_view_set_scroll_adjustments (view, NULL, NULL);
2263 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
2267 ev_view_set_property (GObject *object,
2269 const GValue *value,
2272 EvView *view = EV_VIEW (object);
2276 case PROP_CONTINUOUS:
2277 ev_view_set_continuous (view, g_value_get_boolean (value));
2279 case PROP_DUAL_PAGE:
2280 ev_view_set_dual_page (view, g_value_get_boolean (value));
2282 case PROP_FULLSCREEN:
2283 ev_view_set_fullscreen (view, g_value_get_boolean (value));
2285 case PROP_PRESENTATION:
2286 ev_view_set_presentation (view, g_value_get_boolean (value));
2288 case PROP_SIZING_MODE:
2289 ev_view_set_sizing_mode (view, g_value_get_enum (value));
2292 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
2295 ev_view_set_rotation (view, g_value_get_int (value));
2298 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2303 ev_view_get_accessible (GtkWidget *widget)
2305 static gboolean first_time = TRUE;
2308 AtkObjectFactory *factory;
2309 AtkRegistry *registry;
2311 GType derived_atk_type;
2314 * Figure out whether accessibility is enabled by looking at the
2315 * type of the accessible object which would be created for
2316 * the parent type of EvView.
2318 derived_type = g_type_parent (EV_TYPE_VIEW);
2320 registry = atk_get_default_registry ();
2321 factory = atk_registry_get_factory (registry,
2323 derived_atk_type = atk_object_factory_get_accessible_type (factory);
2324 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
2325 atk_registry_set_factory_type (registry,
2327 ev_view_accessible_factory_get_type ());
2330 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
2334 ev_view_get_property (GObject *object,
2339 EvView *view = EV_VIEW (object);
2344 g_value_set_string (value, view->status);
2346 case PROP_FIND_STATUS:
2347 g_value_set_string (value, view->status);
2349 case PROP_CONTINUOUS:
2350 g_value_set_boolean (value, view->continuous);
2352 case PROP_DUAL_PAGE:
2353 g_value_set_boolean (value, view->dual_page);
2355 case PROP_FULLSCREEN:
2356 g_value_set_boolean (value, view->fullscreen);
2358 case PROP_PRESENTATION:
2359 g_value_set_boolean (value, view->presentation);
2361 case PROP_SIZING_MODE:
2362 g_value_set_enum (value, view->sizing_mode);
2365 g_value_set_double (value, view->scale);
2368 g_value_set_int (value, view->rotation);
2370 case PROP_HAS_SELECTION:
2371 g_value_set_boolean (value,
2372 view->selection_info.selections != NULL);
2375 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2380 ev_view_class_init (EvViewClass *class)
2382 GObjectClass *object_class = G_OBJECT_CLASS (class);
2383 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
2384 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
2385 GtkBindingSet *binding_set;
2387 object_class->finalize = ev_view_finalize;
2388 object_class->set_property = ev_view_set_property;
2389 object_class->get_property = ev_view_get_property;
2391 widget_class->expose_event = ev_view_expose_event;
2392 widget_class->button_press_event = ev_view_button_press_event;
2393 widget_class->motion_notify_event = ev_view_motion_notify_event;
2394 widget_class->button_release_event = ev_view_button_release_event;
2395 widget_class->focus_in_event = ev_view_focus_in;
2396 widget_class->focus_out_event = ev_view_focus_out;
2397 widget_class->get_accessible = ev_view_get_accessible;
2398 widget_class->size_request = ev_view_size_request;
2399 widget_class->size_allocate = ev_view_size_allocate;
2400 widget_class->realize = ev_view_realize;
2401 widget_class->scroll_event = ev_view_scroll_event;
2402 widget_class->enter_notify_event = ev_view_enter_notify_event;
2403 widget_class->leave_notify_event = ev_view_leave_notify_event;
2404 widget_class->style_set = ev_view_style_set;
2405 widget_class->drag_data_get = ev_view_drag_data_get;
2406 widget_class->popup_menu = ev_view_popup_menu;
2407 gtk_object_class->destroy = ev_view_destroy;
2409 class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
2410 class->binding_activated = ev_view_scroll;
2412 widget_class->set_scroll_adjustments_signal =
2413 g_signal_new ("set-scroll-adjustments",
2414 G_OBJECT_CLASS_TYPE (object_class),
2415 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2416 G_STRUCT_OFFSET (EvViewClass, set_scroll_adjustments),
2418 ev_marshal_VOID__OBJECT_OBJECT,
2420 GTK_TYPE_ADJUSTMENT,
2421 GTK_TYPE_ADJUSTMENT);
2423 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
2424 G_TYPE_FROM_CLASS (object_class),
2425 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2426 G_STRUCT_OFFSET (EvViewClass, binding_activated),
2428 ev_marshal_VOID__ENUM_BOOLEAN,
2430 GTK_TYPE_SCROLL_TYPE,
2433 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
2434 G_TYPE_FROM_CLASS (object_class),
2435 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2436 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
2438 ev_marshal_VOID__VOID,
2439 G_TYPE_NONE, 0, G_TYPE_NONE);
2440 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
2441 G_TYPE_FROM_CLASS (object_class),
2442 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2443 G_STRUCT_OFFSET (EvViewClass, external_link),
2445 g_cclosure_marshal_VOID__OBJECT,
2448 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
2449 G_TYPE_FROM_CLASS (object_class),
2450 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2451 G_STRUCT_OFFSET (EvViewClass, popup_menu),
2453 g_cclosure_marshal_VOID__OBJECT,
2457 g_object_class_install_property (object_class,
2459 g_param_spec_string ("status",
2461 "The status message",
2465 g_object_class_install_property (object_class,
2467 g_param_spec_string ("find-status",
2468 "Find Status Message",
2469 "The find status message",
2473 g_object_class_install_property (object_class,
2475 g_param_spec_boolean ("continuous",
2477 "Continuous scrolling mode",
2479 G_PARAM_READWRITE));
2481 g_object_class_install_property (object_class,
2483 g_param_spec_boolean ("dual-page",
2485 "Two pages visible at once",
2487 G_PARAM_READWRITE));
2488 g_object_class_install_property (object_class,
2490 g_param_spec_boolean ("fullscreen",
2492 "Draw page in a fullscreen fashion",
2494 G_PARAM_READWRITE));
2495 g_object_class_install_property (object_class,
2497 g_param_spec_boolean ("presentation",
2499 "Draw page in presentation mode",
2501 G_PARAM_READWRITE));
2503 g_object_class_install_property (object_class,
2505 g_param_spec_enum ("sizing-mode",
2508 EV_TYPE_SIZING_MODE,
2509 EV_SIZING_FIT_WIDTH,
2510 G_PARAM_READWRITE));
2512 g_object_class_install_property (object_class,
2514 g_param_spec_double ("zoom",
2520 G_PARAM_READWRITE));
2521 g_object_class_install_property (object_class,
2523 g_param_spec_double ("rotation",
2529 G_PARAM_READWRITE));
2530 g_object_class_install_property (object_class,
2532 g_param_spec_boolean ("has-selection",
2534 "The view has selections",
2538 binding_set = gtk_binding_set_by_class (class);
2540 add_scroll_binding_keypad (binding_set, GDK_Left, 0, EV_SCROLL_STEP_BACKWARD, TRUE);
2541 add_scroll_binding_keypad (binding_set, GDK_Right, 0, EV_SCROLL_STEP_FORWARD, TRUE);
2542 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, TRUE);
2543 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, TRUE);
2544 add_scroll_binding_keypad (binding_set, GDK_Up, 0, EV_SCROLL_STEP_BACKWARD, FALSE);
2545 add_scroll_binding_keypad (binding_set, GDK_Down, 0, EV_SCROLL_STEP_FORWARD, FALSE);
2546 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, FALSE);
2547 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, FALSE);
2551 ev_view_init (EvView *view)
2553 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
2557 view->current_page = 0;
2558 view->pressed_button = -1;
2559 view->cursor = EV_VIEW_CURSOR_NORMAL;
2560 view->drag_info.in_drag = FALSE;
2561 view->selection_info.selections = NULL;
2562 view->selection_info.in_selection = FALSE;
2563 view->selection_info.in_drag = FALSE;
2564 view->selection_mode = EV_VIEW_SELECTION_TEXT;
2565 view->continuous = TRUE;
2566 view->dual_page = FALSE;
2567 view->presentation = FALSE;
2568 view->fullscreen = FALSE;
2569 view->sizing_mode = EV_SIZING_FIT_WIDTH;
2570 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2576 find_changed_cb (EvDocument *document, int page, EvView *view)
2581 percent = ev_document_find_get_progress
2582 (EV_DOCUMENT_FIND (view->document));
2583 n_pages = ev_page_cache_get_n_pages (view->page_cache);
2584 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
2585 jump_to_find_result (view);
2586 update_find_status_message (view, percent * n_pages >= n_pages - 1 );
2587 if (view->current_page == page)
2588 gtk_widget_queue_draw (GTK_WIDGET (view));
2592 job_finished_cb (EvPixbufCache *pixbuf_cache,
2595 gtk_widget_queue_draw (GTK_WIDGET (view));
2599 page_changed_cb (EvPageCache *page_cache,
2603 if (view->current_page != new_page) {
2605 view->current_page = new_page;
2606 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2607 gtk_widget_queue_resize (GTK_WIDGET (view));
2609 if (EV_IS_DOCUMENT_FIND (view->document)) {
2610 view->find_result = 0;
2611 update_find_status_message (view, TRUE);
2616 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
2621 if (! GTK_WIDGET_REALIZED (view))
2624 if (view->hadjustment) {
2625 dx = view->scroll_x - (int) view->hadjustment->value;
2626 view->scroll_x = (int) view->hadjustment->value;
2631 if (view->vadjustment) {
2632 dy = view->scroll_y - (int) view->vadjustment->value;
2633 view->scroll_y = (int) view->vadjustment->value;
2639 if (view->pending_resize)
2640 gtk_widget_queue_draw (GTK_WIDGET (view));
2642 gdk_window_scroll (GTK_WIDGET (view)->window, dx, dy);
2646 view_update_range_and_current_page (view);
2654 view = g_object_new (EV_TYPE_VIEW, NULL);
2660 setup_caches (EvView *view)
2662 view->page_cache = ev_page_cache_get (view->document);
2663 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
2664 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
2665 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
2669 clear_caches (EvView *view)
2671 if (view->pixbuf_cache) {
2672 g_object_unref (view->pixbuf_cache);
2673 view->pixbuf_cache = NULL;
2676 if (view->page_cache) {
2677 view->page_cache = NULL;
2682 ev_view_set_loading (EvView *view,
2685 view->loading = loading;
2686 gtk_widget_queue_draw (GTK_WIDGET (view));
2690 ev_view_set_document (EvView *view,
2691 EvDocument *document)
2693 g_return_if_fail (EV_IS_VIEW (view));
2695 view->loading = FALSE;
2697 if (document != view->document) {
2698 clear_caches (view);
2700 if (view->document) {
2701 g_signal_handlers_disconnect_by_func (view->document,
2704 g_object_unref (view->document);
2705 view->page_cache = NULL;
2709 view->document = document;
2710 view->find_result = 0;
2712 if (view->document) {
2713 g_object_ref (view->document);
2714 if (EV_IS_DOCUMENT_FIND (view->document)) {
2715 g_signal_connect (view->document,
2717 G_CALLBACK (find_changed_cb),
2721 setup_caches (view);
2724 gtk_widget_queue_resize (GTK_WIDGET (view));
2728 /*** Zoom and sizing mode ***/
2730 #define EPSILON 0.0000001
2732 ev_view_set_zoom (EvView *view,
2739 scale = view->scale * factor;
2743 scale = CLAMP (scale, MIN_SCALE, MAX_SCALE);
2745 if (ABS (view->scale - scale) < EPSILON)
2748 view->scale = scale;
2749 view->pending_resize = TRUE;
2751 gtk_widget_queue_resize (GTK_WIDGET (view));
2753 g_object_notify (G_OBJECT (view), "zoom");
2757 ev_view_get_zoom (EvView *view)
2763 ev_view_get_continuous (EvView *view)
2765 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2767 return view->continuous;
2771 ev_view_set_continuous (EvView *view,
2772 gboolean continuous)
2774 g_return_if_fail (EV_IS_VIEW (view));
2776 continuous = continuous != FALSE;
2778 if (view->continuous != continuous) {
2779 view->continuous = continuous;
2780 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2781 gtk_widget_queue_resize (GTK_WIDGET (view));
2784 g_object_notify (G_OBJECT (view), "continuous");
2788 ev_view_get_dual_page (EvView *view)
2790 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2792 return view->dual_page;
2796 ev_view_set_dual_page (EvView *view,
2799 g_return_if_fail (EV_IS_VIEW (view));
2801 dual_page = dual_page != FALSE;
2803 if (view->dual_page == dual_page)
2806 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2807 view->dual_page = dual_page;
2808 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
2809 * preload_cache_size to be 2 if dual_page is set.
2811 gtk_widget_queue_resize (GTK_WIDGET (view));
2813 g_object_notify (G_OBJECT (view), "dual-page");
2817 ev_view_set_fullscreen (EvView *view,
2818 gboolean fullscreen)
2820 g_return_if_fail (EV_IS_VIEW (view));
2822 fullscreen = fullscreen != FALSE;
2824 if (view->fullscreen == fullscreen)
2827 view->fullscreen = fullscreen;
2828 gtk_widget_queue_resize (GTK_WIDGET (view));
2830 g_object_notify (G_OBJECT (view), "fullscreen");
2834 ev_view_get_fullscreen (EvView *view)
2836 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2838 return view->fullscreen;
2842 ev_view_set_presentation (EvView *view,
2843 gboolean presentation)
2845 g_return_if_fail (EV_IS_VIEW (view));
2847 presentation = presentation != FALSE;
2849 if (view->presentation == presentation)
2852 view->presentation = presentation;
2853 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2854 gtk_widget_queue_resize (GTK_WIDGET (view));
2856 if (GTK_WIDGET_REALIZED (view)) {
2857 if (view->presentation)
2858 gdk_window_set_background (GTK_WIDGET(view)->window,
2859 >K_WIDGET (view)->style->black);
2861 gdk_window_set_background (GTK_WIDGET(view)->window,
2862 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
2866 g_object_notify (G_OBJECT (view), "presentation");
2870 ev_view_get_presentation (EvView *view)
2872 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2874 return view->presentation;
2878 ev_view_set_sizing_mode (EvView *view,
2879 EvSizingMode sizing_mode)
2881 g_return_if_fail (EV_IS_VIEW (view));
2883 if (view->sizing_mode == sizing_mode)
2886 view->sizing_mode = sizing_mode;
2887 gtk_widget_queue_resize (GTK_WIDGET (view));
2889 g_object_notify (G_OBJECT (view), "sizing-mode");
2893 ev_view_get_sizing_mode (EvView *view)
2895 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
2897 return view->sizing_mode;
2901 ev_view_can_zoom_in (EvView *view)
2903 return view->scale * ZOOM_IN_FACTOR <= MAX_SCALE;
2907 ev_view_can_zoom_out (EvView *view)
2909 return view->scale * ZOOM_OUT_FACTOR >= MIN_SCALE;
2913 ev_view_zoom_in (EvView *view)
2915 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
2917 view->pending_scroll = SCROLL_TO_CENTER;
2918 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
2922 ev_view_zoom_out (EvView *view)
2924 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
2926 view->pending_scroll = SCROLL_TO_CENTER;
2927 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
2931 ev_view_rotate_right (EvView *view)
2933 int rotation = view->rotation + 90;
2935 if (rotation >= 360) {
2939 ev_view_set_rotation (view, rotation);
2943 ev_view_rotate_left (EvView *view)
2945 int rotation = view->rotation - 90;
2951 ev_view_set_rotation (view, rotation);
2955 ev_view_set_rotation (EvView *view, int rotation)
2957 view->rotation = rotation;
2959 if (view->pixbuf_cache) {
2960 ev_pixbuf_cache_clear (view->pixbuf_cache);
2961 gtk_widget_queue_resize (GTK_WIDGET (view));
2965 clear_selection (view);
2967 g_object_notify (G_OBJECT (view), "rotation");
2971 ev_view_get_rotation (EvView *view)
2973 return view->rotation;
2977 zoom_for_size_fit_width (int doc_width,
2985 scale = (double)target_width / doc_width;
2987 if (doc_height * scale > target_height)
2988 scale = (double) (target_width - vsb_width) / doc_width;
2994 zoom_for_size_fit_height (int doc_width,
3002 scale = (double)target_height / doc_height;
3004 if (doc_width * scale > target_width)
3005 scale = (double) (target_height - vsb_height) / doc_height;
3011 zoom_for_size_best_fit (int doc_width,
3021 w_scale = (double)target_width / doc_width;
3022 h_scale = (double)target_height / doc_height;
3024 if (doc_height * w_scale > target_height)
3025 w_scale = (double) (target_width - vsb_width) / doc_width;
3026 if (doc_width * h_scale > target_width)
3027 h_scale = (double) (target_height - hsb_width) / doc_height;
3029 return MIN (w_scale, h_scale);
3034 ev_view_zoom_for_size_presentation (EvView *view,
3038 int doc_width, doc_height;
3041 ev_page_cache_get_size (view->page_cache,
3047 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
3048 ev_view_set_zoom (view, scale, FALSE);
3052 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
3058 int doc_width, doc_height;
3062 ev_page_cache_get_max_width (view->page_cache,
3066 ev_page_cache_get_max_height (view->page_cache,
3070 compute_border (view, doc_width, doc_height, &border);
3072 doc_width = doc_width * 2;
3073 width -= (2 * (border.left + border.right) + 3 * view->spacing);
3074 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3076 /* FIXME: We really need to calculate the overall height here, not the
3077 * page height. We assume there's always a vertical scrollbar for
3078 * now. We need to fix this. */
3079 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3080 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3081 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3082 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3084 g_assert_not_reached ();
3086 ev_view_set_zoom (view, scale, FALSE);
3090 ev_view_zoom_for_size_continuous (EvView *view,
3096 int doc_width, doc_height;
3100 ev_page_cache_get_max_width (view->page_cache,
3104 ev_page_cache_get_max_height (view->page_cache,
3108 compute_border (view, doc_width, doc_height, &border);
3110 width -= (border.left + border.right + 2 * view->spacing);
3111 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3113 /* FIXME: We really need to calculate the overall height here, not the
3114 * page height. We assume there's always a vertical scrollbar for
3115 * now. We need to fix this. */
3116 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3117 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3118 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3119 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3121 g_assert_not_reached ();
3123 ev_view_set_zoom (view, scale, FALSE);
3127 ev_view_zoom_for_size_dual_page (EvView *view,
3134 gint doc_width, doc_height;
3138 other_page = view->current_page ^ 1;
3140 /* Find the largest of the two. */
3141 ev_page_cache_get_size (view->page_cache,
3145 &doc_width, &doc_height);
3147 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
3148 gint width_2, height_2;
3149 ev_page_cache_get_size (view->page_cache,
3153 &width_2, &height_2);
3154 if (width_2 > doc_width)
3155 doc_width = width_2;
3156 if (height_2 > doc_height)
3157 doc_height = height_2;
3159 compute_border (view, doc_width, doc_height, &border);
3161 doc_width = doc_width * 2;
3162 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
3163 height -= (border.top + border.bottom + 2 * view->spacing);
3165 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3166 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3167 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3168 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3170 g_assert_not_reached ();
3172 ev_view_set_zoom (view, scale, FALSE);
3176 ev_view_zoom_for_size_single_page (EvView *view,
3182 int doc_width, doc_height;
3186 ev_page_cache_get_size (view->page_cache,
3192 /* Get an approximate border */
3193 compute_border (view, width, height, &border);
3195 width -= (border.left + border.right + 2 * view->spacing);
3196 height -= (border.top + border.bottom + 2 * view->spacing);
3198 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3199 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3200 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3201 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3203 g_assert_not_reached ();
3205 ev_view_set_zoom (view, scale, FALSE);
3209 ev_view_set_zoom_for_size (EvView *view,
3215 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
3216 view->sizing_mode == EV_SIZING_BEST_FIT);
3217 g_return_if_fail (width >= 0);
3218 g_return_if_fail (height >= 0);
3220 if (view->document == NULL)
3223 if (view->presentation)
3224 ev_view_zoom_for_size_presentation (view, width, height);
3225 else if (view->continuous && view->dual_page)
3226 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
3227 else if (view->continuous)
3228 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
3229 else if (view->dual_page)
3230 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
3232 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
3235 /*** Status text messages ***/
3238 ev_view_get_status (EvView *view)
3240 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3242 return view->status;
3246 ev_view_set_status (EvView *view, const char *message)
3248 g_return_if_fail (EV_IS_VIEW (view));
3250 if (message != view->status) {
3251 g_free (view->status);
3252 view->status = g_strdup (message);
3253 g_object_notify (G_OBJECT (view), "status");
3258 update_find_status_message (EvView *view, gboolean this_page)
3265 results = ev_document_find_get_n_results
3266 (EV_DOCUMENT_FIND (view->document),
3267 view->current_page);
3268 /* TRANS: Sometimes this could be better translated as
3269 "%d hit(s) on this page". Therefore this string
3270 contains plural cases. */
3271 message = g_strdup_printf (ngettext ("%d found on this page",
3272 "%d found on this page",
3278 percent = ev_document_find_get_progress
3279 (EV_DOCUMENT_FIND (view->document));
3280 message = g_strdup_printf (_("%3d%% remaining to search"),
3281 (int) ((1.0 - percent) * 100));
3284 ev_view_set_find_status (view, message);
3289 ev_view_get_find_status (EvView *view)
3291 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3293 return view->find_status;
3297 ev_view_set_find_status (EvView *view, const char *message)
3299 g_return_if_fail (EV_IS_VIEW (view));
3301 g_free (view->find_status);
3302 view->find_status = g_strdup (message);
3303 g_object_notify (G_OBJECT (view), "find-status");
3309 jump_to_find_result (EvView *view)
3311 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3313 GdkRectangle view_rect;
3315 int page = view->current_page;
3317 n_results = ev_document_find_get_n_results (find, page);
3319 if (n_results > 0 && view->find_result < n_results) {
3320 ev_document_find_get_result
3321 (find, page, view->find_result, &rect);
3323 doc_rect_to_view_rect (view, page, &rect, &view_rect);
3324 ensure_rectangle_is_visible (view, &view_rect);
3330 * @view: #EvView instance
3331 * @direction: Direction to look
3332 * @shift: Shift from current page
3334 * Jumps to the first page that has occurences of searched word.
3335 * Uses a direction where to look and a shift from current page.
3339 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
3343 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3345 for (i = 0; i < n_pages; i++) {
3349 if (direction == EV_VIEW_FIND_NEXT)
3350 page = view->current_page + i;
3352 page = view->current_page - i;
3355 if (page >= n_pages) {
3356 page = page - n_pages;
3359 page = page + n_pages;
3361 has_results = ev_document_find_page_has_results
3362 (EV_DOCUMENT_FIND (view->document), page);
3363 if (has_results == -1) {
3365 } else if (has_results == 1) {
3366 ev_page_cache_set_current_page (view->page_cache, page);
3373 ev_view_can_find_next (EvView *view)
3375 if (EV_IS_DOCUMENT_FIND (view->document)) {
3376 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3379 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3380 for (i = 0; i < n_pages; i++) {
3381 if (ev_document_find_get_n_results (find, i) > 0) {
3391 ev_view_find_next (EvView *view)
3393 int n_results, n_pages;
3394 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3396 n_results = ev_document_find_get_n_results (find, view->current_page);
3398 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3400 view->find_result++;
3402 if (view->find_result >= n_results) {
3404 view->find_result = 0;
3405 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
3406 jump_to_find_result (view);
3408 jump_to_find_result (view);
3409 gtk_widget_queue_draw (GTK_WIDGET (view));
3414 ev_view_find_previous (EvView *view)
3416 int n_results, n_pages;
3417 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3418 EvPageCache *page_cache;
3420 page_cache = ev_page_cache_get (view->document);
3422 n_results = ev_document_find_get_n_results (find, view->current_page);
3424 n_pages = ev_page_cache_get_n_pages (page_cache);
3426 view->find_result--;
3428 if (view->find_result < 0) {
3430 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
3431 view->find_result = ev_document_find_get_n_results (find, view->current_page) - 1;
3432 jump_to_find_result (view);
3434 jump_to_find_result (view);
3435 gtk_widget_queue_draw (GTK_WIDGET (view));
3439 /*** Selections ***/
3441 /* compute_new_selection_rect/text calculates the area currently selected by
3442 * view_rect. each handles a different mode;
3445 compute_new_selection_rect (EvView *view,
3449 GdkRectangle view_rect;
3453 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
3455 view_rect.x = MIN (start->x, stop->x);
3456 view_rect.y = MIN (start->y, stop->y);
3457 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
3458 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
3460 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3462 for (i = 0; i < n_pages; i++) {
3463 GdkRectangle page_area;
3466 if (get_page_extents (view, i, &page_area, &border)) {
3467 GdkRectangle overlap;
3469 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
3470 EvViewSelection *selection;
3472 selection = g_new0 (EvViewSelection, 1);
3473 selection->page = i;
3474 view_rect_to_doc_rect (view, &overlap, &page_area,
3475 &(selection->rect));
3477 list = g_list_append (list, selection);
3486 gdk_rectangle_point_in (GdkRectangle *rectangle,
3489 return rectangle->x <= point->x &&
3490 rectangle->y <= point->y &&
3491 point->x < rectangle->x + rectangle->width &&
3492 point->y < rectangle->y + rectangle->height;
3496 compute_new_selection_text (EvView *view,
3500 int n_pages, i, first, last;
3502 EvViewSelection *selection;
3504 int start_page, end_page;
3506 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
3508 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3510 /* First figure out the range of pages the selection
3514 if (view->continuous) {
3517 } else if (view->dual_page) {
3518 start_page = view->start_page;
3519 end_page = view->end_page + 1;
3521 start_page = view->current_page;
3522 end_page = view->current_page + 1;
3525 for (i = start_page; i < end_page; i++) {
3526 GdkRectangle page_area;
3529 get_page_extents (view, i, &page_area, &border);
3530 if (gdk_rectangle_point_in (&page_area, start) ||
3531 gdk_rectangle_point_in (&page_area, stop)) {
3532 if (first == n_pages)
3541 /* Now create a list of EvViewSelection's for the affected
3542 * pages. This could be an empty list, a list of just one
3543 * page or a number of pages.*/
3544 for (i = first; i < last + 1; i++) {
3545 GdkRectangle page_area;
3549 ev_page_cache_get_size (view->page_cache, i,
3551 1.0, &width, &height);
3553 selection = g_new0 (EvViewSelection, 1);
3554 selection->page = i;
3555 selection->rect.x1 = selection->rect.y1 = 0;
3556 selection->rect.x2 = width;
3557 selection->rect.y2 = height;
3559 get_page_extents (view, i, &page_area, &border);
3561 if (gdk_rectangle_point_in (&page_area, start))
3567 view_point_to_doc_point (view, point, &page_area,
3568 &selection->rect.x1,
3569 &selection->rect.y1);
3571 /* If the selection is contained within just one page,
3572 * make sure we don't write 'start' into both points
3573 * in selection->rect. */
3578 view_point_to_doc_point (view, point, &page_area,
3579 &selection->rect.x2,
3580 &selection->rect.y2);
3582 list = g_list_append (list, selection);
3588 /* This function takes the newly calculated list, and figures out which regions
3589 * have changed. It then queues a redraw approporiately.
3592 merge_selection_region (EvView *view,
3596 GList *new_list_ptr, *old_list_ptr;
3598 /* Update the selection */
3599 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
3600 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
3601 view->selection_info.selections = new_list;
3602 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
3603 g_object_notify (G_OBJECT (view), "has-selection");
3605 new_list_ptr = new_list;
3606 old_list_ptr = old_list;
3608 while (new_list_ptr || old_list_ptr) {
3609 EvViewSelection *old_sel, *new_sel;
3611 GdkRegion *region = NULL;
3613 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
3614 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
3616 /* Assume that the lists are in order, and we run through them
3617 * comparing them, one page at a time. We come out with the
3618 * first page we see. */
3619 if (new_sel && old_sel) {
3620 if (new_sel->page < old_sel->page) {
3621 new_list_ptr = new_list_ptr->next;
3623 } else if (new_sel->page > old_sel->page) {
3624 old_list_ptr = old_list_ptr->next;
3627 new_list_ptr = new_list_ptr->next;
3628 old_list_ptr = old_list_ptr->next;
3630 } else if (new_sel) {
3631 new_list_ptr = new_list_ptr->next;
3632 } else if (old_sel) {
3633 old_list_ptr = old_list_ptr->next;
3636 g_assert (new_sel || old_sel);
3638 /* is the page we're looking at on the screen?*/
3639 cur_page = new_sel ? new_sel->page : old_sel->page;
3640 if (cur_page < view->start_page || cur_page > view->end_page)
3643 /* seed the cache with a new page. We are going to need the new
3646 GdkRegion *tmp_region = NULL;
3647 ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
3652 new_sel->covered_region = gdk_region_copy (tmp_region);
3656 /* Now we figure out what needs redrawing */
3657 if (old_sel && new_sel) {
3658 if (old_sel->covered_region &&
3659 new_sel->covered_region) {
3660 /* We only want to redraw the areas that have
3661 * changed, so we xor the old and new regions
3662 * and redraw if it's different */
3663 region = gdk_region_copy (old_sel->covered_region);
3664 gdk_region_xor (region, new_sel->covered_region);
3665 if (gdk_region_empty (region)) {
3666 gdk_region_destroy (region);
3669 } else if (old_sel->covered_region) {
3670 region = gdk_region_copy (old_sel->covered_region);
3671 } else if (new_sel->covered_region) {
3672 region = gdk_region_copy (new_sel->covered_region);
3674 } else if (old_sel && !new_sel) {
3675 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
3676 region = gdk_region_copy (old_sel->covered_region);
3678 } else if (!old_sel && new_sel) {
3679 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
3680 region = gdk_region_copy (new_sel->covered_region);
3683 g_assert_not_reached ();
3686 /* Redraw the damaged region! */
3688 GdkRectangle page_area;
3691 get_page_extents (view, cur_page, &page_area, &border);
3692 gdk_region_offset (region,
3693 page_area.x + border.left - view->scroll_x,
3694 page_area.y + border.top - view->scroll_y);
3695 gdk_window_invalidate_region (GTK_WIDGET (view)->window, region, TRUE);
3696 gdk_region_destroy (region);
3700 /* Free the old list, now that we're done with it. */
3701 g_list_foreach (old_list, (GFunc) selection_free, NULL);
3705 compute_selections (EvView *view,
3711 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
3712 list = compute_new_selection_rect (view, start, stop);
3714 list = compute_new_selection_text (view, start, stop);
3715 merge_selection_region (view, list);
3718 /* Free's the selection. It's up to the caller to queue redraws if needed.
3721 selection_free (EvViewSelection *selection)
3723 if (selection->covered_region)
3724 gdk_region_destroy (selection->covered_region);
3729 clear_selection (EvView *view)
3731 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
3732 view->selection_info.selections = NULL;
3733 view->selection_info.in_selection = FALSE;
3734 g_object_notify (G_OBJECT (view), "has-selection");
3739 ev_view_select_all (EvView *view)
3743 /* Disable selection on rotated pages for the 0.4.0 series */
3744 if (view->rotation != 0)
3747 clear_selection (view);
3749 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3750 for (i = 0; i < n_pages; i++) {
3752 EvViewSelection *selection;
3754 ev_page_cache_get_size (view->page_cache,
3757 1.0, &width, &height);
3759 selection = g_new0 (EvViewSelection, 1);
3760 selection->page = i;
3761 selection->rect.x1 = selection->rect.y1 = 0;
3762 selection->rect.x2 = width;
3763 selection->rect.y2 = height;
3765 view->selection_info.selections = g_list_append (view->selection_info.selections, selection);
3768 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, view->selection_info.selections);
3769 g_object_notify (G_OBJECT (view), "has-selection");
3770 gtk_widget_queue_draw (GTK_WIDGET (view));
3774 ev_view_get_has_selection (EvView *view)
3776 return view->selection_info.selections != NULL;
3780 get_selected_text (EvView *ev_view)
3785 text = g_string_new (NULL);
3787 ev_document_doc_mutex_lock ();
3789 for (l = ev_view->selection_info.selections; l != NULL; l = l->next) {
3790 EvViewSelection *selection = (EvViewSelection *)l->data;
3793 tmp = ev_document_get_text (ev_view->document,
3796 g_string_append (text, tmp);
3800 ev_document_doc_mutex_unlock ();
3802 return g_string_free (text, FALSE);
3806 ev_view_copy (EvView *ev_view)
3808 GtkClipboard *clipboard;
3811 if (!ev_document_can_get_text (ev_view->document)) {
3815 text = get_selected_text (ev_view);
3816 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
3817 GDK_SELECTION_CLIPBOARD);
3818 gtk_clipboard_set_text (clipboard, text, -1);
3823 ev_view_primary_get_cb (GtkClipboard *clipboard,
3824 GtkSelectionData *selection_data,
3828 EvView *ev_view = EV_VIEW (data);
3831 if (!ev_document_can_get_text (ev_view->document)) {
3835 text = get_selected_text (ev_view);
3836 gtk_selection_data_set_text (selection_data, text, -1);
3841 ev_view_primary_clear_cb (GtkClipboard *clipboard,
3844 EvView *view = EV_VIEW (data);
3846 clear_selection (view);
3850 ev_view_update_primary_selection (EvView *ev_view)
3852 GtkClipboard *clipboard;
3854 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
3855 GDK_SELECTION_PRIMARY);
3857 if (ev_view->selection_info.selections) {
3858 if (!gtk_clipboard_set_with_owner (clipboard,
3860 G_N_ELEMENTS (targets),
3861 ev_view_primary_get_cb,
3862 ev_view_primary_clear_cb,
3863 G_OBJECT (ev_view)))
3864 ev_view_primary_clear_cb (clipboard, ev_view);
3866 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
3867 gtk_clipboard_clear (clipboard);
3871 /*** Cursor operations ***/
3874 ev_view_create_invisible_cursor(void)
3877 GdkColor black = { 0, 0, 0, 0 };
3878 static char bits[] = { 0x00 };
3880 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
3882 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
3886 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
3888 GdkCursor *cursor = NULL;
3889 GdkDisplay *display;
3892 if (view->cursor == new_cursor) {
3896 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
3897 display = gtk_widget_get_display (widget);
3898 view->cursor = new_cursor;
3900 switch (new_cursor) {
3901 case EV_VIEW_CURSOR_NORMAL:
3902 gdk_window_set_cursor (widget->window, NULL);
3904 case EV_VIEW_CURSOR_IBEAM:
3905 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
3907 case EV_VIEW_CURSOR_LINK:
3908 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
3910 case EV_VIEW_CURSOR_WAIT:
3911 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
3913 case EV_VIEW_CURSOR_HIDDEN:
3914 cursor = ev_view_create_invisible_cursor ();
3916 case EV_VIEW_CURSOR_DRAG:
3917 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
3922 gdk_window_set_cursor (widget->window, cursor);
3923 gdk_cursor_unref (cursor);
3929 ev_view_hide_cursor (EvView *view)
3931 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
3935 ev_view_show_cursor (EvView *view)
3937 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
3941 ev_view_next_page (EvView *view)
3945 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3947 page = ev_page_cache_get_current_page (view->page_cache);
3948 page = ev_view_get_dual_page (view) ? page + 2 : page + 1;
3950 if (page < ev_page_cache_get_n_pages (view->page_cache)) {
3951 ev_page_cache_set_current_page (view->page_cache, page);
3953 } else if (ev_view_get_dual_page (view) && page == ev_page_cache_get_n_pages (view->page_cache)) {
3954 ev_page_cache_set_current_page (view->page_cache, page - 1);
3962 ev_view_previous_page (EvView *view)
3966 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3968 page = ev_page_cache_get_current_page (view->page_cache);
3969 page = ev_view_get_dual_page (view) ? page - 2 : page - 1;
3972 ev_page_cache_set_current_page (view->page_cache, page);
3974 } else if (ev_view_get_dual_page (view) && page == -1) {
3975 ev_page_cache_set_current_page (view->page_cache, 0);
3982 /*** Enum description for usage in signal ***/
3985 ev_sizing_mode_get_type (void)
3987 static GType etype = 0;
3989 static const GEnumValue values[] = {
3990 { EV_SIZING_FIT_WIDTH, "EV_SIZING_FIT_WIDTH", "fit-width" },
3991 { EV_SIZING_BEST_FIT, "EV_SIZING_BEST_FIT", "best-fit" },
3992 { EV_SIZING_FREE, "EV_SIZING_FREE", "free" },
3995 etype = g_enum_register_static ("EvSizingMode", values);
4001 ev_scroll_type_get_type (void)
4003 static GType etype = 0;
4005 static const GEnumValue values[] = {
4006 { EV_SCROLL_PAGE_FORWARD, "EV_SCROLL_PAGE_FORWARD", "scroll-page-forward" },
4007 { EV_SCROLL_PAGE_BACKWARD, "EV_SCROLL_PAGE_BACKWARD", "scroll-page-backward" },
4008 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
4009 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
4010 { EV_SCROLL_STEP_UP, "EV_SCROLL_STEP_UP", "scroll-step-up" },
4011 { EV_SCROLL_STEP_DOWN, "EV_SCROLL_STEP_DOWN", "scroll-step-down" },
4014 etype = g_enum_register_static ("EvScrollType", values);