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)
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 view->current_page = view->start_page;
491 ev_page_cache_set_current_page (view->page_cache, view->start_page);
494 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
499 view->selection_info.selections);
503 set_scroll_adjustment (EvView *view,
504 GtkOrientation orientation,
505 GtkAdjustment *adjustment)
507 GtkAdjustment **to_set;
509 if (orientation == GTK_ORIENTATION_HORIZONTAL)
510 to_set = &view->hadjustment;
512 to_set = &view->vadjustment;
514 if (*to_set != adjustment) {
516 g_signal_handlers_disconnect_by_func (*to_set,
517 (gpointer) on_adjustment_value_changed,
519 g_object_unref (*to_set);
522 *to_set = adjustment;
523 view_set_adjustment_values (view, orientation);
526 g_object_ref (*to_set);
527 g_signal_connect (*to_set, "value_changed",
528 G_CALLBACK (on_adjustment_value_changed), view);
534 ev_view_set_scroll_adjustments (EvView *view,
535 GtkAdjustment *hadjustment,
536 GtkAdjustment *vadjustment)
538 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
539 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
541 on_adjustment_value_changed (NULL, view);
545 add_scroll_binding_keypad (GtkBindingSet *binding_set,
547 GdkModifierType modifiers,
551 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
553 gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
554 "binding_activated", 2,
555 EV_TYPE_SCROLL_TYPE, scroll,
556 G_TYPE_BOOLEAN, horizontal);
557 gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
558 "binding_activated", 2,
559 EV_TYPE_SCROLL_TYPE, scroll,
560 G_TYPE_BOOLEAN, horizontal);
564 ev_view_scroll (EvView *view,
568 GtkAdjustment *adjustment;
569 double value, increment;
570 gboolean first_page = FALSE;
571 gboolean last_page = FALSE;
573 view->jump_to_find_result = FALSE;
575 if (view->presentation) {
577 case EV_SCROLL_PAGE_BACKWARD:
578 case EV_SCROLL_STEP_BACKWARD:
579 ev_view_previous_page (view);
581 case EV_SCROLL_PAGE_FORWARD:
582 case EV_SCROLL_STEP_FORWARD:
583 ev_view_next_page (view);
591 /* Assign values for increment and vertical adjustment */
592 adjustment = horizontal ? view->hadjustment : view->vadjustment;
593 increment = adjustment->page_size * 0.75;
594 value = adjustment->value;
596 /* Assign boolean for first and last page */
597 if (view->current_page == 0)
599 if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1)
603 case EV_SCROLL_PAGE_BACKWARD:
604 /* Do not jump backwards if at the first page */
605 if (value == (adjustment->lower) && first_page) {
607 /* At the top of a page, assign the upper bound limit of previous page */
608 } else if (value == (adjustment->lower)) {
609 value = adjustment->upper - adjustment->page_size;
610 ev_view_previous_page (view);
611 /* Jump to the top */
613 value = MAX (value - increment, adjustment->lower);
616 case EV_SCROLL_PAGE_FORWARD:
617 /* Do not jump forward if at the last page */
618 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
620 /* At the bottom of a page, assign the lower bound limit of next page */
621 } else if (value == (adjustment->upper - adjustment->page_size)) {
623 ev_view_next_page (view);
624 /* Jump to the bottom */
626 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
629 case EV_SCROLL_STEP_BACKWARD:
630 value -= adjustment->step_increment;
632 case EV_SCROLL_STEP_FORWARD:
633 value += adjustment->step_increment;
635 case EV_SCROLL_STEP_DOWN:
636 value -= adjustment->step_increment / 10;
638 case EV_SCROLL_STEP_UP:
639 value += adjustment->step_increment / 10;
645 value = CLAMP (value, adjustment->lower,
646 adjustment->upper - adjustment->page_size);
648 gtk_adjustment_set_value (adjustment, value);
655 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
657 GtkWidget *widget = GTK_WIDGET (view);
658 GtkAdjustment *adjustment;
661 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
663 adjustment = view->vadjustment;
665 if (rect->y < adjustment->value) {
666 value = MAX (adjustment->lower, rect->y - MARGIN);
667 gtk_adjustment_set_value (view->vadjustment, value);
668 } else if (rect->y + rect->height >
669 adjustment->value + widget->allocation.height) {
670 value = MIN (adjustment->upper, rect->y + rect->height -
671 widget->allocation.height + MARGIN);
672 gtk_adjustment_set_value (view->vadjustment, value);
675 adjustment = view->hadjustment;
677 if (rect->x < adjustment->value) {
678 value = MAX (adjustment->lower, rect->x - MARGIN);
679 gtk_adjustment_set_value (view->hadjustment, value);
680 } else if (rect->x + rect->height >
681 adjustment->value + widget->allocation.width) {
682 value = MIN (adjustment->upper, rect->x + rect->width -
683 widget->allocation.width + MARGIN);
684 gtk_adjustment_set_value (view->hadjustment, value);
688 /*** Geometry computations ***/
691 compute_border (EvView *view, int width, int height, GtkBorder *border)
693 if (view->presentation) {
699 ev_document_misc_get_page_border_size (width, height, border);
704 get_page_y_offset (EvView *view, int page, double zoom, int *y_offset)
706 int max_width, offset;
709 g_return_if_fail (y_offset != NULL);
711 ev_page_cache_get_max_width (view->page_cache, view->rotation, zoom, &max_width);
713 compute_border (view, max_width, max_width, &border);
715 if (view->dual_page) {
716 ev_page_cache_get_height_to_page (view->page_cache, page,
717 view->rotation, zoom, NULL, &offset);
718 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);
720 ev_page_cache_get_height_to_page (view->page_cache, page,
721 view->rotation, zoom, &offset, NULL);
722 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
730 get_page_extents (EvView *view,
732 GdkRectangle *page_area,
738 widget = GTK_WIDGET (view);
740 /* Get the size of the page */
741 ev_page_cache_get_size (view->page_cache, page,
745 compute_border (view, width, height, border);
746 page_area->width = width + border->left + border->right;
747 page_area->height = height + border->top + border->bottom;
749 if (view->presentation) {
750 page_area->x = (MAX (0, widget->allocation.width - width))/2;
751 page_area->y = (MAX (0, widget->allocation.height - height))/2;
752 } else if (view->continuous) {
756 ev_page_cache_get_max_width (view->page_cache, view->rotation,
757 view->scale, &max_width);
758 max_width = max_width + border->left + border->right;
759 /* Get the location of the bounding box */
760 if (view->dual_page) {
761 x = view->spacing + ((page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? 0 : 1) * (max_width + view->spacing);
762 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
763 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
764 x = x + (max_width - width - border->left - border->right);
767 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
770 get_page_y_offset (view, page, view->scale, &y);
776 if (view->dual_page) {
777 gint width_2, height_2;
778 gint max_width = width;
779 gint max_height = height;
780 GtkBorder overall_border;
783 other_page = (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? page + 1: page - 1;
785 /* First, we get the bounding box of the two pages */
786 if (other_page < ev_page_cache_get_n_pages (view->page_cache)
787 && (0 <= other_page)) {
788 ev_page_cache_get_size (view->page_cache,
792 &width_2, &height_2);
795 if (height_2 > height)
796 max_height = height_2;
798 compute_border (view, max_width, max_height, &overall_border);
800 /* Find the offsets */
804 /* Adjust for being the left or right page */
805 if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
806 x = x + max_width - width;
808 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
810 y = y + (max_height - height)/2;
812 /* Adjust for extra allocation */
813 x = x + MAX (0, widget->allocation.width -
814 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
815 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
820 /* Adjust for extra allocation */
821 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
822 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
833 view_point_to_doc_point (EvView *view,
834 GdkPoint *view_point,
835 GdkRectangle *page_area,
839 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
840 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
844 view_rect_to_doc_rect (EvView *view,
845 GdkRectangle *view_rect,
846 GdkRectangle *page_area,
847 EvRectangle *doc_rect)
849 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
850 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
851 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
852 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
856 doc_point_to_view_point (EvView *view,
859 GdkPoint *view_point)
861 GdkRectangle page_area;
863 double x, y, view_x, view_y;
866 ev_page_cache_get_size (view->page_cache, page,
871 if (view->rotation == 0) {
874 } else if (view->rotation == 90) {
875 x = width - doc_point->y;
877 } else if (view->rotation == 180) {
878 x = width - doc_point->x;
879 y = height - doc_point->y;
880 } else if (view->rotation == 270) {
882 y = height - doc_point->x;
884 g_assert_not_reached ();
887 get_page_extents (view, page, &page_area, &border);
889 view_x = x * view->scale;
890 view_y = y * view->scale;
891 view_point->x = view_x + page_area.x;
892 view_point->y = view_y + page_area.y;
894 return (view_x > 0 && view_x <= page_area.width &&
895 view_y > 0 && view_y <= page_area.height);
899 doc_rect_to_view_rect (EvView *view,
901 EvRectangle *doc_rect,
902 GdkRectangle *view_rect)
904 GdkRectangle page_area;
909 ev_page_cache_get_size (view->page_cache, page,
914 if (view->rotation == 0) {
917 w = doc_rect->x2 - doc_rect->x1;
918 h = doc_rect->y2 - doc_rect->y1;
919 } else if (view->rotation == 90) {
920 x = width - doc_rect->y2;
922 w = doc_rect->y2 - doc_rect->y1;
923 h = doc_rect->x2 - doc_rect->x1;
924 } else if (view->rotation == 180) {
925 x = width - doc_rect->x2;
926 y = height - doc_rect->y2;
927 w = doc_rect->x2 - doc_rect->x1;
928 h = doc_rect->y2 - doc_rect->y1;
929 } else if (view->rotation == 270) {
931 y = height - doc_rect->x2;
932 w = doc_rect->y2 - doc_rect->y1;
933 h = doc_rect->x2 - doc_rect->x1;
935 g_assert_not_reached ();
938 get_page_extents (view, page, &page_area, &border);
940 view_rect->x = x * view->scale + page_area.x;
941 view_rect->y = y * view->scale + page_area.y;
942 view_rect->width = w * view->scale;
943 view_rect->height = h * view->scale;
947 find_page_at_location (EvView *view,
956 if (view->document == NULL)
963 for (i = view->start_page; i <= view->end_page; i++) {
964 GdkRectangle page_area;
967 if (! get_page_extents (view, i, &page_area, &border))
970 if ((x >= page_area.x + border.left) &&
971 (x < page_area.x + page_area.width - border.right) &&
972 (y >= page_area.y + border.top) &&
973 (y < page_area.y + page_area.height - border.bottom)) {
975 *x_offset = x - (page_area.x + border.left);
976 *y_offset = y - (page_area.y + border.top);
985 location_in_text (EvView *view,
991 gint x_offset = 0, y_offset = 0;
993 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
998 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
1001 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1007 ev_view_get_width (EvView *view)
1009 return GTK_WIDGET (view)->allocation.width;
1013 ev_view_get_height (EvView *view)
1015 return GTK_WIDGET (view)->allocation.height;
1019 location_in_selected_text (EvView *view,
1024 gint x_offset = 0, y_offset = 0;
1025 EvViewSelection *selection;
1028 for (l = view->selection_info.selections; l != NULL; l = l->next) {
1029 selection = (EvViewSelection *)l->data;
1031 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1033 if (page != selection->page)
1036 if (selection->covered_region &&
1037 gdk_region_point_in (selection->covered_region, x_offset, y_offset))
1046 ev_view_get_link_at_location (EvView *view,
1051 gint x_offset = 0, y_offset = 0;
1052 GList *link_mapping;
1054 x += view->scroll_x;
1055 y += view->scroll_y;
1057 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1062 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1065 return ev_link_mapping_find (link_mapping, x_offset / view->scale, y_offset / view->scale);
1071 goto_fitr_link (EvView *view, EvLink *link)
1077 zoom = zoom_for_size_best_fit (ev_link_get_right (link) - ev_link_get_left (link),
1078 ev_link_get_top (link) - ev_link_get_bottom (link),
1079 ev_view_get_width (view),
1080 ev_view_get_height (view), 0, 0);
1082 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1083 ev_view_set_zoom (view, zoom, FALSE);
1085 page = ev_link_get_page (link);
1086 doc_point.x = ev_link_get_left (link);
1087 doc_point.y = ev_link_get_top (link);
1089 view->current_page = page;
1090 view->pending_point = doc_point;
1091 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1093 gtk_widget_queue_resize (GTK_WIDGET (view));
1097 goto_fitv_link (EvView *view, EvLink *link)
1100 int doc_width, doc_height, page;
1103 page = ev_link_get_page (link);
1104 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1106 doc_point.x = ev_link_get_left (link);
1109 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1110 ev_view_get_width (view),
1111 ev_view_get_height (view), 0);
1113 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1114 ev_view_set_zoom (view, zoom, FALSE);
1116 view->current_page = page;
1117 view->pending_point = doc_point;
1118 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1120 gtk_widget_queue_resize (GTK_WIDGET (view));
1124 goto_fith_link (EvView *view, EvLink *link)
1127 int doc_width, doc_height, page;
1130 page = ev_link_get_page (link);
1131 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1134 doc_point.y = doc_height - ev_link_get_top (link);
1136 zoom = zoom_for_size_fit_width (doc_width, ev_link_get_top (link),
1137 ev_view_get_width (view),
1138 ev_view_get_height (view), 0);
1140 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1141 ev_view_set_zoom (view, zoom, FALSE);
1143 view->current_page = page;
1144 view->pending_point = doc_point;
1145 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1147 gtk_widget_queue_resize (GTK_WIDGET (view));
1151 goto_fit_link (EvView *view, EvLink *link)
1154 int doc_width, doc_height;
1157 page = ev_link_get_page (link);
1158 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1160 zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view),
1161 ev_view_get_height (view), 0, 0);
1163 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1164 ev_view_set_zoom (view, zoom, FALSE);
1166 view->current_page = page;
1167 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1169 gtk_widget_queue_resize (GTK_WIDGET (view));
1173 goto_xyz_link (EvView *view, EvLink *link)
1179 zoom = ev_link_get_zoom (link);
1180 page = ev_link_get_page (link);
1181 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, NULL, &height);
1184 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1185 ev_view_set_zoom (view, zoom, FALSE);
1188 doc_point.x = ev_link_get_left (link);
1189 doc_point.y = height - ev_link_get_top (link);
1191 view->current_page = page;
1192 view->pending_point = doc_point;
1193 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
1195 gtk_widget_queue_resize (GTK_WIDGET (view));
1199 ev_view_goto_link (EvView *view, EvLink *link)
1204 type = ev_link_get_link_type (link);
1207 case EV_LINK_TYPE_TITLE:
1209 case EV_LINK_TYPE_PAGE:
1210 page = ev_link_get_page (link);
1211 ev_page_cache_set_current_page (view->page_cache, page);
1213 case EV_LINK_TYPE_PAGE_FIT:
1214 goto_fit_link (view, link);
1216 case EV_LINK_TYPE_PAGE_FITH:
1217 goto_fith_link (view, link);
1219 case EV_LINK_TYPE_PAGE_FITV:
1220 goto_fitv_link (view, link);
1222 case EV_LINK_TYPE_PAGE_FITR:
1223 goto_fitr_link (view, link);
1225 case EV_LINK_TYPE_PAGE_XYZ:
1226 goto_xyz_link (view, link);
1228 case EV_LINK_TYPE_EXTERNAL_URI:
1229 case EV_LINK_TYPE_LAUNCH:
1230 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, link);
1236 tip_from_link (EvView *view, EvLink *link)
1242 type = ev_link_get_link_type (link);
1245 case EV_LINK_TYPE_TITLE:
1246 if (ev_link_get_title (link))
1247 msg = g_strdup (ev_link_get_title (link));
1249 case EV_LINK_TYPE_PAGE:
1250 case EV_LINK_TYPE_PAGE_XYZ:
1251 page_label = ev_page_cache_get_page_label (view->page_cache, ev_link_get_page (link));
1252 msg = g_strdup_printf (_("Go to page %s"), page_label);
1253 g_free (page_label);
1255 case EV_LINK_TYPE_EXTERNAL_URI:
1256 msg = g_strdup (ev_link_get_uri (link));
1266 handle_link_over_xy (EvView *view, gint x, gint y)
1270 link = ev_view_get_link_at_location (view, x, y);
1272 if (view->link_tooltip == NULL) {
1273 view->link_tooltip = ev_tooltip_new (GTK_WIDGET (view));
1276 if (view->hovered_link != link) {
1277 view->hovered_link = link;
1278 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
1282 char *msg = tip_from_link (view, link);
1284 if (msg && g_utf8_validate (msg, -1, NULL)) {
1285 EvTooltip *tooltip = EV_TOOLTIP (view->link_tooltip);
1287 ev_tooltip_set_position (tooltip, x, y);
1288 ev_tooltip_set_text (tooltip, msg);
1289 ev_tooltip_activate (tooltip);
1293 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1294 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1295 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1297 ev_view_set_status (view, NULL);
1298 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1299 view->cursor == EV_VIEW_CURSOR_IBEAM)
1300 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1305 /*** GtkWidget implementation ***/
1308 ev_view_size_request_continuous_dual_page (EvView *view,
1309 GtkRequisition *requisition)
1315 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1316 view->scale, &max_width);
1317 compute_border (view, max_width, max_width, &border);
1319 n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1;
1321 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
1322 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1324 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1325 requisition->width = 1;
1326 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1327 requisition->width = 1;
1328 /* FIXME: This could actually be set on one page docs or docs
1329 * with a strange aspect ratio. */
1330 /* requisition->height = 1;*/
1335 ev_view_size_request_continuous (EvView *view,
1336 GtkRequisition *requisition)
1343 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1344 view->scale, &max_width);
1345 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1346 compute_border (view, max_width, max_width, &border);
1348 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
1349 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1351 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1352 requisition->width = 1;
1353 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1354 requisition->width = 1;
1355 /* FIXME: This could actually be set on one page docs or docs
1356 * with a strange aspect ratio. */
1357 /* requisition->height = 1;*/
1362 ev_view_size_request_dual_page (EvView *view,
1363 GtkRequisition *requisition)
1368 /* Find the largest of the two. */
1369 ev_page_cache_get_size (view->page_cache,
1374 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) {
1375 gint width_2, height_2;
1376 ev_page_cache_get_size (view->page_cache,
1377 view->current_page + 1,
1380 &width_2, &height_2);
1381 if (width_2 > width) {
1386 compute_border (view, width, height, &border);
1388 requisition->width = ((width + border.left + border.right) * 2) +
1389 (view->spacing * 3);
1390 requisition->height = (height + border.top + border.bottom) +
1391 (view->spacing * 2);
1393 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1394 requisition->width = 1;
1395 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1396 requisition->width = 1;
1397 requisition->height = 1;
1402 ev_view_size_request_single_page (EvView *view,
1403 GtkRequisition *requisition)
1408 ev_page_cache_get_size (view->page_cache,
1413 compute_border (view, width, height, &border);
1415 requisition->width = width + border.left + border.right + (2 * view->spacing);
1416 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1418 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1419 requisition->width = 1;
1420 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1421 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1422 requisition->width = 1;
1423 requisition->height = 1;
1428 ev_view_size_request (GtkWidget *widget,
1429 GtkRequisition *requisition)
1431 EvView *view = EV_VIEW (widget);
1433 if (view->document == NULL) {
1434 requisition->width = 1;
1435 requisition->height = 1;
1439 if (view->presentation) {
1440 requisition->width = 1;
1441 requisition->height = 1;
1445 if (view->continuous && view->dual_page)
1446 ev_view_size_request_continuous_dual_page (view, requisition);
1447 else if (view->continuous)
1448 ev_view_size_request_continuous (view, requisition);
1449 else if (view->dual_page)
1450 ev_view_size_request_dual_page (view, requisition);
1452 ev_view_size_request_single_page (view, requisition);
1456 ev_view_size_allocate (GtkWidget *widget,
1457 GtkAllocation *allocation)
1459 EvView *view = EV_VIEW (widget);
1461 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
1462 view->sizing_mode == EV_SIZING_BEST_FIT) {
1464 g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0);
1466 ev_view_size_request (widget, &widget->requisition);
1469 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
1470 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
1472 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
1473 view->pending_resize = FALSE;
1476 view_update_range_and_current_page (view);
1478 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
1482 ev_view_realize (GtkWidget *widget)
1484 EvView *view = EV_VIEW (widget);
1485 GdkWindowAttr attributes;
1487 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
1490 attributes.window_type = GDK_WINDOW_CHILD;
1491 attributes.wclass = GDK_INPUT_OUTPUT;
1492 attributes.visual = gtk_widget_get_visual (widget);
1493 attributes.colormap = gtk_widget_get_colormap (widget);
1495 attributes.x = widget->allocation.x;
1496 attributes.y = widget->allocation.y;
1497 attributes.width = widget->allocation.width;
1498 attributes.height = widget->allocation.height;
1499 attributes.event_mask = GDK_EXPOSURE_MASK |
1500 GDK_BUTTON_PRESS_MASK |
1501 GDK_BUTTON_RELEASE_MASK |
1503 GDK_KEY_PRESS_MASK |
1504 GDK_POINTER_MOTION_MASK |
1505 GDK_POINTER_MOTION_HINT_MASK |
1506 GDK_ENTER_NOTIFY_MASK |
1507 GDK_LEAVE_NOTIFY_MASK;
1509 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
1511 GDK_WA_X | GDK_WA_Y |
1514 gdk_window_set_user_data (widget->window, widget);
1515 widget->style = gtk_style_attach (widget->style, widget->window);
1517 if (view->presentation)
1518 gdk_window_set_background (widget->window, &widget->style->black);
1520 gdk_window_set_background (widget->window, &widget->style->mid [GTK_STATE_NORMAL]);
1524 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
1526 EvView *view = EV_VIEW (widget);
1529 state = event->state & gtk_accelerator_get_default_mod_mask ();
1531 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
1532 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1534 if (event->direction == GDK_SCROLL_UP ||
1535 event->direction == GDK_SCROLL_LEFT) {
1536 if (ev_view_can_zoom_in (view)) {
1537 ev_view_zoom_in (view);
1540 if (ev_view_can_zoom_out (view)) {
1541 ev_view_zoom_out (view);
1548 view->jump_to_find_result = FALSE;
1549 /* Shift+Wheel scrolls the in the perpendicular direction */
1550 if (state & GDK_SHIFT_MASK) {
1551 if (event->direction == GDK_SCROLL_UP)
1552 event->direction = GDK_SCROLL_LEFT;
1553 if (event->direction == GDK_SCROLL_LEFT)
1554 event->direction = GDK_SCROLL_UP;
1555 if (event->direction == GDK_SCROLL_DOWN)
1556 event->direction = GDK_SCROLL_RIGHT;
1557 if (event->direction == GDK_SCROLL_RIGHT)
1558 event->direction = GDK_SCROLL_DOWN;
1560 event->state &= ~GDK_SHIFT_MASK;
1561 state &= ~GDK_SHIFT_MASK;
1564 if (state == 0 && view->presentation) {
1565 switch (event->direction) {
1566 case GDK_SCROLL_DOWN:
1567 case GDK_SCROLL_RIGHT:
1568 ev_view_next_page (view);
1571 case GDK_SCROLL_LEFT:
1572 ev_view_previous_page (view);
1582 static EvViewSelection *
1583 find_selection_for_page (EvView *view,
1588 for (list = view->selection_info.selections; list != NULL; list = list->next) {
1589 EvViewSelection *selection;
1591 selection = (EvViewSelection *) list->data;
1593 if (selection->page == page)
1601 ev_view_expose_event (GtkWidget *widget,
1602 GdkEventExpose *event)
1604 EvView *view = EV_VIEW (widget);
1607 if (view->loading) {
1608 GdkRectangle area = {0};
1610 area.width = widget->allocation.width;
1611 area.height = widget->allocation.height;
1613 draw_loading_text (view,
1618 if (view->document == NULL)
1621 for (i = view->start_page; i <= view->end_page; i++) {
1622 GdkRectangle page_area;
1625 if (!get_page_extents (view, i, &page_area, &border))
1628 page_area.x -= view->scroll_x;
1629 page_area.y -= view->scroll_y;
1631 draw_one_page (view, i, &page_area, &border, &(event->area));
1633 if (EV_IS_DOCUMENT_FIND (view->document))
1634 highlight_find_results (view, i);
1641 ev_view_popup_menu (GtkWidget *widget)
1645 EvView *view = EV_VIEW (widget);
1647 gtk_widget_get_pointer (widget, &x, &y);
1648 link = ev_view_get_link_at_location (view, x, y);
1649 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
1654 ev_view_button_press_event (GtkWidget *widget,
1655 GdkEventButton *event)
1657 EvView *view = EV_VIEW (widget);
1660 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
1661 gtk_widget_grab_focus (widget);
1664 view->pressed_button = event->button;
1665 view->selection_info.in_drag = FALSE;
1667 switch (event->button) {
1669 if (view->selection_info.selections) {
1670 if (location_in_selected_text (view,
1671 event->x + view->scroll_x,
1672 event->y + view->scroll_y)) {
1673 view->selection_info.in_drag = TRUE;
1675 clear_selection (view);
1678 gtk_widget_queue_draw (widget);
1681 view->selection_info.start.x = event->x + view->scroll_x;
1682 view->selection_info.start.y = event->y + view->scroll_y;
1686 /* use root coordinates as reference point because
1687 * scrolling changes window relative coordinates */
1688 view->drag_info.start.x = event->x_root;
1689 view->drag_info.start.y = event->y_root;
1690 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
1691 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
1693 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1697 link = ev_view_get_link_at_location (view, event->x, event->y);
1698 g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
1706 ev_view_drag_data_get (GtkWidget *widget,
1707 GdkDragContext *context,
1708 GtkSelectionData *selection_data,
1712 EvView *view = EV_VIEW (widget);
1714 if (view->selection_info.selections &&
1715 ev_document_can_get_text (view->document)) {
1718 text = get_selected_text (view);
1720 gtk_selection_data_set_text (selection_data, text, strlen (text));
1727 selection_update_idle_cb (EvView *view)
1729 compute_selections (view, &view->selection_info.start, &view->motion);
1730 view->selection_update_id = 0;
1735 selection_scroll_timeout_cb (EvView *view)
1737 gint x, y, shift = 0;
1738 GtkWidget *widget = GTK_WIDGET (view);
1740 gtk_widget_get_pointer (widget, &x, &y);
1742 if (y > widget->allocation.height) {
1743 shift = (y - widget->allocation.height) / 2;
1749 gtk_adjustment_set_value (view->vadjustment,
1750 CLAMP (view->vadjustment->value + shift,
1751 view->vadjustment->lower,
1752 view->vadjustment->upper -
1753 view->vadjustment->page_size));
1755 if (x > widget->allocation.width) {
1756 shift = (x - widget->allocation.width) / 2;
1762 gtk_adjustment_set_value (view->hadjustment,
1763 CLAMP (view->hadjustment->value + shift,
1764 view->hadjustment->lower,
1765 view->hadjustment->upper -
1766 view->hadjustment->page_size));
1772 ev_view_motion_notify_event (GtkWidget *widget,
1773 GdkEventMotion *event)
1775 EvView *view = EV_VIEW (widget);
1778 if (!view->document)
1781 if (event->is_hint || event->window != widget->window) {
1782 gtk_widget_get_pointer (widget, &x, &y);
1788 if (view->selection_info.in_drag) {
1789 if (gtk_drag_check_threshold (widget,
1790 view->selection_info.start.x,
1791 view->selection_info.start.y,
1793 GdkDragContext *context;
1794 GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
1796 gtk_target_list_add_text_targets (target_list, 0);
1798 context = gtk_drag_begin (widget, target_list,
1800 1, (GdkEvent *)event);
1802 view->selection_info.in_drag = FALSE;
1804 gtk_target_list_unref (target_list);
1810 /* For the Evince 0.4.x release, we limit selection to un-rotated
1813 if (view->pressed_button == 1 && view->rotation == 0) {
1815 /* Schedule timeout to scroll during selection and additionally
1816 * scroll once to allow arbitrary speed. */
1817 if (!view->selection_scroll_id)
1818 view->selection_scroll_id = g_timeout_add (SCROLL_TIME, (GSourceFunc)selection_scroll_timeout_cb, view);
1820 selection_scroll_timeout_cb (view);
1822 view->selection_info.in_selection = TRUE;
1823 view->motion.x = x + view->scroll_x;
1824 view->motion.y = y + view->scroll_y;
1826 /* Queue an idle to handle the motion. We do this because
1827 * handling any selection events in the motion could be slower
1828 * than new motion events reach us. We always put it in the
1829 * idle to make sure we catch up and don't visibly lag the
1831 if (!view->selection_update_id)
1832 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
1835 } else if (view->pressed_button == 2) {
1836 if (!view->drag_info.in_drag) {
1839 start = gtk_drag_check_threshold (widget,
1840 view->drag_info.start.x,
1841 view->drag_info.start.y,
1844 view->drag_info.in_drag = start;
1847 if (view->drag_info.in_drag) {
1849 gdouble dhadj_value, dvadj_value;
1851 dx = event->x_root - view->drag_info.start.x;
1852 dy = event->y_root - view->drag_info.start.y;
1854 dhadj_value = view->hadjustment->page_size *
1855 (gdouble)dx / widget->allocation.width;
1856 dvadj_value = view->vadjustment->page_size *
1857 (gdouble)dy / widget->allocation.height;
1859 /* clamp scrolling to visible area */
1860 gtk_adjustment_set_value (view->hadjustment,
1861 MIN(view->drag_info.hadj - dhadj_value,
1862 view->hadjustment->upper -
1863 view->hadjustment->page_size));
1864 gtk_adjustment_set_value (view->vadjustment,
1865 MIN(view->drag_info.vadj - dvadj_value,
1866 view->vadjustment->upper -
1867 view->vadjustment->page_size));
1871 /* For the Evince 0.4.x release, we limit links to un-rotated documents
1874 } else if (view->pressed_button <= 0 &&
1875 view->rotation == 0) {
1876 handle_link_over_xy (view, x, y);
1884 ev_view_button_release_event (GtkWidget *widget,
1885 GdkEventButton *event)
1887 EvView *view = EV_VIEW (widget);
1890 if (view->pressed_button == 2) {
1891 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1894 if (view->document) {
1895 link = ev_view_get_link_at_location (view, event->x, event->y);
1900 view->pressed_button = -1;
1901 view->drag_info.in_drag = FALSE;
1903 if (view->selection_scroll_id) {
1904 g_source_remove (view->selection_scroll_id);
1905 view->selection_scroll_id = 0;
1907 if (view->selection_update_id) {
1908 g_source_remove (view->selection_update_id);
1909 view->selection_update_id = 0;
1912 if (view->selection_info.selections) {
1913 ev_view_update_primary_selection (view);
1915 if (view->selection_info.in_drag) {
1916 clear_selection (view);
1917 gtk_widget_queue_draw (widget);
1920 view->selection_info.in_drag = FALSE;
1922 ev_view_goto_link (view, link);
1923 } else if (view->presentation) {
1924 switch (event->button) {
1926 ev_view_next_page (view);
1929 ev_view_previous_page (view);
1938 ev_view_focus_in (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_focus_out (GtkWidget *widget,
1950 GdkEventFocus *event)
1952 if (EV_VIEW (widget)->pixbuf_cache)
1953 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
1954 gtk_widget_queue_draw (widget);
1960 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
1962 EvView *view = EV_VIEW (widget);
1964 ev_view_set_status (view, NULL);
1966 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1967 view->cursor == EV_VIEW_CURSOR_IBEAM)
1968 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1970 if (view->link_tooltip) {
1971 view->hovered_link = NULL;
1972 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
1979 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
1981 EvView *view = EV_VIEW (widget);
1983 handle_link_over_xy (view, event->x, event->y);
1989 ev_view_style_set (GtkWidget *widget,
1990 GtkStyle *old_style)
1992 if (EV_VIEW (widget)->pixbuf_cache)
1993 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
1995 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
2001 ev_gdk_color_to_rgb (const GdkColor *color)
2004 result = (0xff0000 | (color->red & 0xff00));
2006 result |= ((color->green & 0xff00) | (color->blue >> 8));
2011 draw_rubberband (GtkWidget *widget, GdkWindow *window,
2012 const GdkRectangle *rect, guchar alpha)
2016 GdkColor *fill_color_gdk;
2019 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
2020 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
2022 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
2023 rect->width, rect->height);
2024 gdk_pixbuf_fill (pixbuf, fill_color);
2026 gdk_draw_pixbuf (window, NULL, pixbuf,
2028 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
2029 rect->width, rect->height,
2030 GDK_RGB_DITHER_NONE,
2033 g_object_unref (pixbuf);
2035 gc = gdk_gc_new (window);
2036 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
2037 gdk_draw_rectangle (window, gc, FALSE,
2038 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
2041 g_object_unref (gc);
2043 gdk_color_free (fill_color_gdk);
2048 highlight_find_results (EvView *view, int page)
2050 EvDocumentFind *find;
2053 g_return_if_fail (EV_IS_DOCUMENT_FIND (view->document));
2055 find = EV_DOCUMENT_FIND (view->document);
2057 results = ev_document_find_get_n_results (find, page);
2059 for (i = 0; i < results; i++) {
2060 EvRectangle rectangle;
2061 GdkRectangle view_rectangle;
2064 if (i == view->find_result && page == view->current_page) {
2070 ev_document_find_get_result (find, page, i, &rectangle);
2071 doc_rect_to_view_rect (view, page, &rectangle, &view_rectangle);
2072 draw_rubberband (GTK_WIDGET (view), GTK_WIDGET(view)->window,
2073 &view_rectangle, alpha);
2078 draw_loading_text (EvView *view,
2079 GdkRectangle *page_area,
2080 GdkRectangle *expose_area)
2082 PangoLayout *layout;
2083 PangoFontDescription *font_desc;
2084 PangoRectangle logical_rect;
2088 const char *loading_text = _("Loading...");
2090 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
2092 font_desc = pango_font_description_new ();
2095 /* We set the font to be 10 points, get the size, and scale appropriately */
2096 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
2097 pango_layout_set_font_description (layout, font_desc);
2098 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2100 /* Make sure we fit the middle of the page */
2101 target_width = MAX (page_area->width / 2, 1);
2102 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
2103 pango_font_description_set_size (font_desc, (int)real_scale);
2104 pango_layout_set_font_description (layout, font_desc);
2105 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2107 gtk_paint_layout (GTK_WIDGET (view)->style,
2108 GTK_WIDGET (view)->window,
2109 GTK_WIDGET_STATE (view),
2114 page_area->x + (target_width/2),
2115 page_area->y + (page_area->height - logical_rect.height) / 2,
2118 pango_font_description_free (font_desc);
2119 g_object_unref (layout);
2123 draw_one_page (EvView *view,
2125 GdkRectangle *page_area,
2127 GdkRectangle *expose_area)
2130 GdkPixbuf *current_pixbuf;
2131 GdkRectangle overlap;
2132 GdkRectangle real_page_area;
2133 EvViewSelection *selection;
2136 g_assert (view->document);
2138 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
2141 current_page = ev_page_cache_get_current_page (view->page_cache);
2142 selection = find_selection_for_page (view, page);
2143 ev_page_cache_get_size (view->page_cache,
2144 page, view->rotation,
2147 /* Render the document itself */
2148 real_page_area = *page_area;
2150 real_page_area.x += border->left;
2151 real_page_area.y += border->top;
2152 real_page_area.width -= (border->left + border->right);
2153 real_page_area.height -= (border->top + border->bottom);
2155 ev_document_misc_paint_one_page (GTK_WIDGET(view)->window,
2158 page == current_page);
2160 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
2161 GdkPixbuf *selection_pixbuf = NULL;
2162 GdkPixbuf *scaled_image;
2163 GdkPixbuf *scaled_selection;
2165 current_pixbuf = ev_pixbuf_cache_get_pixbuf (view->pixbuf_cache, page);
2167 /* Get the selection pixbuf iff we have something to draw */
2168 if (current_pixbuf && view->selection_mode == EV_VIEW_SELECTION_TEXT && selection)
2169 selection_pixbuf = ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
2174 if (current_pixbuf == NULL)
2175 scaled_image = NULL;
2176 else if (width == gdk_pixbuf_get_width (current_pixbuf) &&
2177 height == gdk_pixbuf_get_height (current_pixbuf))
2178 scaled_image = g_object_ref (current_pixbuf);
2180 /* FIXME: We don't want to scale the whole area, just the right
2182 scaled_image = gdk_pixbuf_scale_simple (current_pixbuf,
2184 GDK_INTERP_NEAREST);
2186 if (selection_pixbuf == NULL)
2187 scaled_selection = NULL;
2188 else if (width == gdk_pixbuf_get_width (selection_pixbuf) &&
2189 height == gdk_pixbuf_get_height (selection_pixbuf))
2190 scaled_selection = g_object_ref (selection_pixbuf);
2192 /* FIXME: We don't want to scale the whole area, just the right
2194 scaled_selection = gdk_pixbuf_scale_simple (selection_pixbuf,
2196 GDK_INTERP_NEAREST);
2199 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2200 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2202 overlap.x - real_page_area.x,
2203 overlap.y - real_page_area.y,
2204 overlap.x, overlap.y,
2205 overlap.width, overlap.height,
2206 GDK_RGB_DITHER_NORMAL,
2208 g_object_unref (scaled_image);
2210 draw_loading_text (view,
2215 if (scaled_selection) {
2216 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2217 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2219 overlap.x - real_page_area.x,
2220 overlap.y - real_page_area.y,
2221 overlap.x, overlap.y,
2222 overlap.width, overlap.height,
2223 GDK_RGB_DITHER_NORMAL,
2225 g_object_unref (scaled_selection);
2230 /*** GObject functions ***/
2233 ev_view_finalize (GObject *object)
2235 EvView *view = EV_VIEW (object);
2239 g_free (view->status);
2240 g_free (view->find_status);
2242 clear_selection (view);
2244 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
2248 ev_view_destroy (GtkObject *object)
2250 EvView *view = EV_VIEW (object);
2252 if (view->document) {
2253 g_object_unref (view->document);
2254 view->document = NULL;
2257 if (view->pixbuf_cache) {
2258 g_object_unref (view->pixbuf_cache);
2259 view->pixbuf_cache = NULL;
2262 if (view->link_tooltip) {
2263 gtk_widget_destroy (view->link_tooltip);
2266 if (view->selection_scroll_id) {
2267 g_source_remove (view->selection_scroll_id);
2268 view->selection_scroll_id = 0;
2271 if (view->selection_update_id) {
2272 g_source_remove (view->selection_update_id);
2273 view->selection_update_id = 0;
2276 ev_view_set_scroll_adjustments (view, NULL, NULL);
2278 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
2282 ev_view_set_property (GObject *object,
2284 const GValue *value,
2287 EvView *view = EV_VIEW (object);
2291 case PROP_CONTINUOUS:
2292 ev_view_set_continuous (view, g_value_get_boolean (value));
2294 case PROP_DUAL_PAGE:
2295 ev_view_set_dual_page (view, g_value_get_boolean (value));
2297 case PROP_FULLSCREEN:
2298 ev_view_set_fullscreen (view, g_value_get_boolean (value));
2300 case PROP_PRESENTATION:
2301 ev_view_set_presentation (view, g_value_get_boolean (value));
2303 case PROP_SIZING_MODE:
2304 ev_view_set_sizing_mode (view, g_value_get_enum (value));
2307 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
2310 ev_view_set_rotation (view, g_value_get_int (value));
2313 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2318 ev_view_get_accessible (GtkWidget *widget)
2320 static gboolean first_time = TRUE;
2323 AtkObjectFactory *factory;
2324 AtkRegistry *registry;
2326 GType derived_atk_type;
2329 * Figure out whether accessibility is enabled by looking at the
2330 * type of the accessible object which would be created for
2331 * the parent type of EvView.
2333 derived_type = g_type_parent (EV_TYPE_VIEW);
2335 registry = atk_get_default_registry ();
2336 factory = atk_registry_get_factory (registry,
2338 derived_atk_type = atk_object_factory_get_accessible_type (factory);
2339 if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
2340 atk_registry_set_factory_type (registry,
2342 ev_view_accessible_factory_get_type ());
2345 return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
2349 ev_view_get_property (GObject *object,
2354 EvView *view = EV_VIEW (object);
2359 g_value_set_string (value, view->status);
2361 case PROP_FIND_STATUS:
2362 g_value_set_string (value, view->status);
2364 case PROP_CONTINUOUS:
2365 g_value_set_boolean (value, view->continuous);
2367 case PROP_DUAL_PAGE:
2368 g_value_set_boolean (value, view->dual_page);
2370 case PROP_FULLSCREEN:
2371 g_value_set_boolean (value, view->fullscreen);
2373 case PROP_PRESENTATION:
2374 g_value_set_boolean (value, view->presentation);
2376 case PROP_SIZING_MODE:
2377 g_value_set_enum (value, view->sizing_mode);
2380 g_value_set_double (value, view->scale);
2383 g_value_set_int (value, view->rotation);
2385 case PROP_HAS_SELECTION:
2386 g_value_set_boolean (value,
2387 view->selection_info.selections != NULL);
2390 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2395 ev_view_class_init (EvViewClass *class)
2397 GObjectClass *object_class = G_OBJECT_CLASS (class);
2398 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
2399 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
2400 GtkBindingSet *binding_set;
2402 object_class->finalize = ev_view_finalize;
2403 object_class->set_property = ev_view_set_property;
2404 object_class->get_property = ev_view_get_property;
2406 widget_class->expose_event = ev_view_expose_event;
2407 widget_class->button_press_event = ev_view_button_press_event;
2408 widget_class->motion_notify_event = ev_view_motion_notify_event;
2409 widget_class->button_release_event = ev_view_button_release_event;
2410 widget_class->focus_in_event = ev_view_focus_in;
2411 widget_class->focus_out_event = ev_view_focus_out;
2412 widget_class->get_accessible = ev_view_get_accessible;
2413 widget_class->size_request = ev_view_size_request;
2414 widget_class->size_allocate = ev_view_size_allocate;
2415 widget_class->realize = ev_view_realize;
2416 widget_class->scroll_event = ev_view_scroll_event;
2417 widget_class->enter_notify_event = ev_view_enter_notify_event;
2418 widget_class->leave_notify_event = ev_view_leave_notify_event;
2419 widget_class->style_set = ev_view_style_set;
2420 widget_class->drag_data_get = ev_view_drag_data_get;
2421 widget_class->popup_menu = ev_view_popup_menu;
2422 gtk_object_class->destroy = ev_view_destroy;
2424 class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
2425 class->binding_activated = ev_view_scroll;
2427 widget_class->set_scroll_adjustments_signal =
2428 g_signal_new ("set-scroll-adjustments",
2429 G_OBJECT_CLASS_TYPE (object_class),
2430 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2431 G_STRUCT_OFFSET (EvViewClass, set_scroll_adjustments),
2433 ev_marshal_VOID__OBJECT_OBJECT,
2435 GTK_TYPE_ADJUSTMENT,
2436 GTK_TYPE_ADJUSTMENT);
2438 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
2439 G_TYPE_FROM_CLASS (object_class),
2440 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2441 G_STRUCT_OFFSET (EvViewClass, binding_activated),
2443 ev_marshal_VOID__ENUM_BOOLEAN,
2445 GTK_TYPE_SCROLL_TYPE,
2448 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
2449 G_TYPE_FROM_CLASS (object_class),
2450 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2451 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
2453 ev_marshal_VOID__VOID,
2454 G_TYPE_NONE, 0, G_TYPE_NONE);
2455 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
2456 G_TYPE_FROM_CLASS (object_class),
2457 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2458 G_STRUCT_OFFSET (EvViewClass, external_link),
2460 g_cclosure_marshal_VOID__OBJECT,
2463 signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
2464 G_TYPE_FROM_CLASS (object_class),
2465 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2466 G_STRUCT_OFFSET (EvViewClass, popup_menu),
2468 g_cclosure_marshal_VOID__OBJECT,
2472 g_object_class_install_property (object_class,
2474 g_param_spec_string ("status",
2476 "The status message",
2480 g_object_class_install_property (object_class,
2482 g_param_spec_string ("find-status",
2483 "Find Status Message",
2484 "The find status message",
2488 g_object_class_install_property (object_class,
2490 g_param_spec_boolean ("continuous",
2492 "Continuous scrolling mode",
2494 G_PARAM_READWRITE));
2496 g_object_class_install_property (object_class,
2498 g_param_spec_boolean ("dual-page",
2500 "Two pages visible at once",
2502 G_PARAM_READWRITE));
2503 g_object_class_install_property (object_class,
2505 g_param_spec_boolean ("fullscreen",
2507 "Draw page in a fullscreen fashion",
2509 G_PARAM_READWRITE));
2510 g_object_class_install_property (object_class,
2512 g_param_spec_boolean ("presentation",
2514 "Draw page in presentation mode",
2516 G_PARAM_READWRITE));
2518 g_object_class_install_property (object_class,
2520 g_param_spec_enum ("sizing-mode",
2523 EV_TYPE_SIZING_MODE,
2524 EV_SIZING_FIT_WIDTH,
2525 G_PARAM_READWRITE));
2527 g_object_class_install_property (object_class,
2529 g_param_spec_double ("zoom",
2535 G_PARAM_READWRITE));
2536 g_object_class_install_property (object_class,
2538 g_param_spec_double ("rotation",
2544 G_PARAM_READWRITE));
2545 g_object_class_install_property (object_class,
2547 g_param_spec_boolean ("has-selection",
2549 "The view has selections",
2553 binding_set = gtk_binding_set_by_class (class);
2555 add_scroll_binding_keypad (binding_set, GDK_Left, 0, EV_SCROLL_STEP_BACKWARD, TRUE);
2556 add_scroll_binding_keypad (binding_set, GDK_Right, 0, EV_SCROLL_STEP_FORWARD, TRUE);
2557 add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, TRUE);
2558 add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, TRUE);
2559 add_scroll_binding_keypad (binding_set, GDK_Up, 0, EV_SCROLL_STEP_BACKWARD, FALSE);
2560 add_scroll_binding_keypad (binding_set, GDK_Down, 0, EV_SCROLL_STEP_FORWARD, FALSE);
2561 add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, FALSE);
2562 add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, FALSE);
2566 ev_view_init (EvView *view)
2568 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
2572 view->current_page = 0;
2573 view->pressed_button = -1;
2574 view->cursor = EV_VIEW_CURSOR_NORMAL;
2575 view->drag_info.in_drag = FALSE;
2576 view->selection_info.selections = NULL;
2577 view->selection_info.in_selection = FALSE;
2578 view->selection_info.in_drag = FALSE;
2579 view->selection_mode = EV_VIEW_SELECTION_TEXT;
2580 view->continuous = TRUE;
2581 view->dual_page = FALSE;
2582 view->presentation = FALSE;
2583 view->fullscreen = FALSE;
2584 view->sizing_mode = EV_SIZING_FIT_WIDTH;
2585 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2586 view->jump_to_find_result = TRUE;
2592 find_changed_cb (EvDocument *document, int page, EvView *view)
2597 percent = ev_document_find_get_progress
2598 (EV_DOCUMENT_FIND (view->document));
2599 n_pages = ev_page_cache_get_n_pages (view->page_cache);
2601 if (view->jump_to_find_result == TRUE) {
2602 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
2603 jump_to_find_result (view);
2605 update_find_status_message (view, percent * n_pages >= n_pages - 1 );
2606 if (view->current_page == page)
2607 gtk_widget_queue_draw (GTK_WIDGET (view));
2611 job_finished_cb (EvPixbufCache *pixbuf_cache,
2614 gtk_widget_queue_draw (GTK_WIDGET (view));
2618 page_changed_cb (EvPageCache *page_cache,
2622 if (view->current_page != new_page) {
2623 view->current_page = new_page;
2624 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2625 gtk_widget_queue_resize (GTK_WIDGET (view));
2627 gtk_widget_queue_draw (GTK_WIDGET (view));
2630 if (EV_IS_DOCUMENT_FIND (view->document)) {
2631 view->find_result = 0;
2632 update_find_status_message (view, TRUE);
2636 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
2641 if (! GTK_WIDGET_REALIZED (view))
2644 if (view->hadjustment) {
2645 dx = view->scroll_x - (int) view->hadjustment->value;
2646 view->scroll_x = (int) view->hadjustment->value;
2651 if (view->vadjustment) {
2652 dy = view->scroll_y - (int) view->vadjustment->value;
2653 view->scroll_y = (int) view->vadjustment->value;
2659 if (view->pending_resize)
2660 gtk_widget_queue_draw (GTK_WIDGET (view));
2662 gdk_window_scroll (GTK_WIDGET (view)->window, dx, dy);
2666 view_update_range_and_current_page (view);
2674 view = g_object_new (EV_TYPE_VIEW, NULL);
2680 setup_caches (EvView *view)
2682 view->page_cache = ev_page_cache_get (view->document);
2683 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
2684 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
2685 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
2689 clear_caches (EvView *view)
2691 if (view->pixbuf_cache) {
2692 g_object_unref (view->pixbuf_cache);
2693 view->pixbuf_cache = NULL;
2696 if (view->page_cache) {
2697 view->page_cache = NULL;
2702 ev_view_set_loading (EvView *view,
2705 view->loading = loading;
2706 gtk_widget_queue_draw (GTK_WIDGET (view));
2710 ev_view_set_document (EvView *view,
2711 EvDocument *document)
2713 g_return_if_fail (EV_IS_VIEW (view));
2715 view->loading = FALSE;
2717 if (document != view->document) {
2718 clear_caches (view);
2720 if (view->document) {
2721 g_signal_handlers_disconnect_by_func (view->document,
2724 g_object_unref (view->document);
2725 view->page_cache = NULL;
2729 view->document = document;
2730 view->find_result = 0;
2732 if (view->document) {
2733 g_object_ref (view->document);
2734 if (EV_IS_DOCUMENT_FIND (view->document)) {
2735 g_signal_connect (view->document,
2737 G_CALLBACK (find_changed_cb),
2741 setup_caches (view);
2744 gtk_widget_queue_resize (GTK_WIDGET (view));
2748 /*** Zoom and sizing mode ***/
2750 #define EPSILON 0.0000001
2752 ev_view_set_zoom (EvView *view,
2759 scale = view->scale * factor;
2763 scale = CLAMP (scale, MIN_SCALE, MAX_SCALE);
2765 if (ABS (view->scale - scale) < EPSILON)
2768 view->scale = scale;
2769 view->pending_resize = TRUE;
2771 gtk_widget_queue_resize (GTK_WIDGET (view));
2773 g_object_notify (G_OBJECT (view), "zoom");
2777 ev_view_get_zoom (EvView *view)
2783 ev_view_get_continuous (EvView *view)
2785 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2787 return view->continuous;
2791 ev_view_set_continuous (EvView *view,
2792 gboolean continuous)
2794 g_return_if_fail (EV_IS_VIEW (view));
2796 continuous = continuous != FALSE;
2798 if (view->continuous != continuous) {
2799 view->continuous = continuous;
2800 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2801 gtk_widget_queue_resize (GTK_WIDGET (view));
2804 g_object_notify (G_OBJECT (view), "continuous");
2808 ev_view_get_dual_page (EvView *view)
2810 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2812 return view->dual_page;
2816 ev_view_set_dual_page (EvView *view,
2819 g_return_if_fail (EV_IS_VIEW (view));
2821 dual_page = dual_page != FALSE;
2823 if (view->dual_page == dual_page)
2826 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2827 view->dual_page = dual_page;
2828 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
2829 * preload_cache_size to be 2 if dual_page is set.
2831 gtk_widget_queue_resize (GTK_WIDGET (view));
2833 g_object_notify (G_OBJECT (view), "dual-page");
2837 ev_view_set_fullscreen (EvView *view,
2838 gboolean fullscreen)
2840 g_return_if_fail (EV_IS_VIEW (view));
2842 fullscreen = fullscreen != FALSE;
2844 if (view->fullscreen == fullscreen)
2847 view->fullscreen = fullscreen;
2848 gtk_widget_queue_resize (GTK_WIDGET (view));
2850 g_object_notify (G_OBJECT (view), "fullscreen");
2854 ev_view_get_fullscreen (EvView *view)
2856 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2858 return view->fullscreen;
2862 ev_view_set_presentation (EvView *view,
2863 gboolean presentation)
2865 g_return_if_fail (EV_IS_VIEW (view));
2867 presentation = presentation != FALSE;
2869 if (view->presentation == presentation)
2872 view->presentation = presentation;
2873 view->pending_scroll = SCROLL_TO_PAGE_POSITION;
2874 gtk_widget_queue_resize (GTK_WIDGET (view));
2876 if (GTK_WIDGET_REALIZED (view)) {
2877 if (view->presentation)
2878 gdk_window_set_background (GTK_WIDGET(view)->window,
2879 >K_WIDGET (view)->style->black);
2881 gdk_window_set_background (GTK_WIDGET(view)->window,
2882 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
2886 g_object_notify (G_OBJECT (view), "presentation");
2890 ev_view_get_presentation (EvView *view)
2892 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2894 return view->presentation;
2898 ev_view_set_sizing_mode (EvView *view,
2899 EvSizingMode sizing_mode)
2901 g_return_if_fail (EV_IS_VIEW (view));
2903 if (view->sizing_mode == sizing_mode)
2906 view->sizing_mode = sizing_mode;
2907 gtk_widget_queue_resize (GTK_WIDGET (view));
2909 g_object_notify (G_OBJECT (view), "sizing-mode");
2913 ev_view_get_sizing_mode (EvView *view)
2915 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
2917 return view->sizing_mode;
2921 ev_view_can_zoom_in (EvView *view)
2923 return view->scale * ZOOM_IN_FACTOR <= MAX_SCALE;
2927 ev_view_can_zoom_out (EvView *view)
2929 return view->scale * ZOOM_OUT_FACTOR >= MIN_SCALE;
2933 ev_view_zoom_in (EvView *view)
2935 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
2937 view->pending_scroll = SCROLL_TO_CENTER;
2938 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
2942 ev_view_zoom_out (EvView *view)
2944 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
2946 view->pending_scroll = SCROLL_TO_CENTER;
2947 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
2951 ev_view_rotate_right (EvView *view)
2953 int rotation = view->rotation + 90;
2955 if (rotation >= 360) {
2959 ev_view_set_rotation (view, rotation);
2963 ev_view_rotate_left (EvView *view)
2965 int rotation = view->rotation - 90;
2971 ev_view_set_rotation (view, rotation);
2975 ev_view_set_rotation (EvView *view, int rotation)
2977 view->rotation = rotation;
2979 if (view->pixbuf_cache) {
2980 ev_pixbuf_cache_clear (view->pixbuf_cache);
2981 gtk_widget_queue_resize (GTK_WIDGET (view));
2985 clear_selection (view);
2987 g_object_notify (G_OBJECT (view), "rotation");
2991 ev_view_get_rotation (EvView *view)
2993 return view->rotation;
2997 zoom_for_size_fit_width (int doc_width,
3005 scale = (double)target_width / doc_width;
3007 if (doc_height * scale > target_height)
3008 scale = (double) (target_width - vsb_width) / doc_width;
3014 zoom_for_size_fit_height (int doc_width,
3022 scale = (double)target_height / doc_height;
3024 if (doc_width * scale > target_width)
3025 scale = (double) (target_height - vsb_height) / doc_height;
3031 zoom_for_size_best_fit (int doc_width,
3041 w_scale = (double)target_width / doc_width;
3042 h_scale = (double)target_height / doc_height;
3044 if (doc_height * w_scale > target_height)
3045 w_scale = (double) (target_width - vsb_width) / doc_width;
3046 if (doc_width * h_scale > target_width)
3047 h_scale = (double) (target_height - hsb_width) / doc_height;
3049 return MIN (w_scale, h_scale);
3054 ev_view_zoom_for_size_presentation (EvView *view,
3058 int doc_width, doc_height;
3061 ev_page_cache_get_size (view->page_cache,
3067 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
3068 ev_view_set_zoom (view, scale, FALSE);
3072 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
3078 int doc_width, doc_height;
3082 ev_page_cache_get_max_width (view->page_cache,
3086 ev_page_cache_get_max_height (view->page_cache,
3090 compute_border (view, doc_width, doc_height, &border);
3092 doc_width = doc_width * 2;
3093 width -= (2 * (border.left + border.right) + 3 * view->spacing);
3094 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3096 /* FIXME: We really need to calculate the overall height here, not the
3097 * page height. We assume there's always a vertical scrollbar for
3098 * now. We need to fix this. */
3099 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3100 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3101 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3102 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3104 g_assert_not_reached ();
3106 ev_view_set_zoom (view, scale, FALSE);
3110 ev_view_zoom_for_size_continuous (EvView *view,
3116 int doc_width, doc_height;
3120 ev_page_cache_get_max_width (view->page_cache,
3124 ev_page_cache_get_max_height (view->page_cache,
3128 compute_border (view, doc_width, doc_height, &border);
3130 width -= (border.left + border.right + 2 * view->spacing);
3131 height -= (border.top + border.bottom + 2 * view->spacing - 1);
3133 /* FIXME: We really need to calculate the overall height here, not the
3134 * page height. We assume there's always a vertical scrollbar for
3135 * now. We need to fix this. */
3136 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3137 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
3138 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3139 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
3141 g_assert_not_reached ();
3143 ev_view_set_zoom (view, scale, FALSE);
3147 ev_view_zoom_for_size_dual_page (EvView *view,
3154 gint doc_width, doc_height;
3158 other_page = view->current_page ^ 1;
3160 /* Find the largest of the two. */
3161 ev_page_cache_get_size (view->page_cache,
3165 &doc_width, &doc_height);
3167 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
3168 gint width_2, height_2;
3169 ev_page_cache_get_size (view->page_cache,
3173 &width_2, &height_2);
3174 if (width_2 > doc_width)
3175 doc_width = width_2;
3176 if (height_2 > doc_height)
3177 doc_height = height_2;
3179 compute_border (view, doc_width, doc_height, &border);
3181 doc_width = doc_width * 2;
3182 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
3183 height -= (border.top + border.bottom + 2 * view->spacing);
3185 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3186 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3187 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3188 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3190 g_assert_not_reached ();
3192 ev_view_set_zoom (view, scale, FALSE);
3196 ev_view_zoom_for_size_single_page (EvView *view,
3202 int doc_width, doc_height;
3206 ev_page_cache_get_size (view->page_cache,
3212 /* Get an approximate border */
3213 compute_border (view, width, height, &border);
3215 width -= (border.left + border.right + 2 * view->spacing);
3216 height -= (border.top + border.bottom + 2 * view->spacing);
3218 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3219 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3220 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3221 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3223 g_assert_not_reached ();
3225 ev_view_set_zoom (view, scale, FALSE);
3229 ev_view_set_zoom_for_size (EvView *view,
3235 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
3236 view->sizing_mode == EV_SIZING_BEST_FIT);
3237 g_return_if_fail (width >= 0);
3238 g_return_if_fail (height >= 0);
3240 if (view->document == NULL)
3243 if (view->presentation)
3244 ev_view_zoom_for_size_presentation (view, width, height);
3245 else if (view->continuous && view->dual_page)
3246 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
3247 else if (view->continuous)
3248 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
3249 else if (view->dual_page)
3250 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
3252 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
3255 /*** Status text messages ***/
3258 ev_view_get_status (EvView *view)
3260 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3262 return view->status;
3266 ev_view_set_status (EvView *view, const char *message)
3268 g_return_if_fail (EV_IS_VIEW (view));
3270 if (message != view->status) {
3271 g_free (view->status);
3272 view->status = g_strdup (message);
3273 g_object_notify (G_OBJECT (view), "status");
3278 update_find_status_message (EvView *view, gboolean this_page)
3285 results = ev_document_find_get_n_results
3286 (EV_DOCUMENT_FIND (view->document),
3287 view->current_page);
3288 /* TRANS: Sometimes this could be better translated as
3289 "%d hit(s) on this page". Therefore this string
3290 contains plural cases. */
3291 message = g_strdup_printf (ngettext ("%d found on this page",
3292 "%d found on this page",
3298 percent = ev_document_find_get_progress
3299 (EV_DOCUMENT_FIND (view->document));
3300 message = g_strdup_printf (_("%3d%% remaining to search"),
3301 (int) ((1.0 - percent) * 100));
3304 ev_view_set_find_status (view, message);
3309 ev_view_get_find_status (EvView *view)
3311 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3313 return view->find_status;
3317 ev_view_set_find_status (EvView *view, const char *message)
3319 g_return_if_fail (EV_IS_VIEW (view));
3321 g_free (view->find_status);
3322 view->find_status = g_strdup (message);
3323 g_object_notify (G_OBJECT (view), "find-status");
3329 jump_to_find_result (EvView *view)
3331 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3333 GdkRectangle view_rect;
3335 int page = view->current_page;
3337 n_results = ev_document_find_get_n_results (find, page);
3339 if (n_results > 0 && view->find_result < n_results) {
3340 ev_document_find_get_result
3341 (find, page, view->find_result, &rect);
3343 doc_rect_to_view_rect (view, page, &rect, &view_rect);
3344 ensure_rectangle_is_visible (view, &view_rect);
3350 * @view: #EvView instance
3351 * @direction: Direction to look
3352 * @shift: Shift from current page
3354 * Jumps to the first page that has occurences of searched word.
3355 * Uses a direction where to look and a shift from current page.
3359 jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
3363 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3365 for (i = 0; i < n_pages; i++) {
3369 if (direction == EV_VIEW_FIND_NEXT)
3370 page = view->current_page + i;
3372 page = view->current_page - i;
3375 if (page >= n_pages) {
3376 page = page - n_pages;
3379 page = page + n_pages;
3381 has_results = ev_document_find_page_has_results
3382 (EV_DOCUMENT_FIND (view->document), page);
3383 if (has_results == -1) {
3385 } else if (has_results == 1) {
3386 ev_page_cache_set_current_page (view->page_cache, page);
3393 ev_view_can_find_next (EvView *view)
3395 if (EV_IS_DOCUMENT_FIND (view->document)) {
3396 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3399 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3400 for (i = 0; i < n_pages; i++) {
3401 if (ev_document_find_get_n_results (find, i) > 0) {
3411 ev_view_find_next (EvView *view)
3413 int n_results, n_pages;
3414 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3416 n_results = ev_document_find_get_n_results (find, view->current_page);
3418 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3420 view->find_result++;
3422 if (view->find_result >= n_results) {
3424 view->find_result = 0;
3425 jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
3426 jump_to_find_result (view);
3428 jump_to_find_result (view);
3429 gtk_widget_queue_draw (GTK_WIDGET (view));
3434 ev_view_can_find_previous (EvView *view)
3436 if (EV_IS_DOCUMENT_FIND (view->document)) {
3437 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3440 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3441 for (i = n_pages - 1; i >= 0; i--) {
3442 if (ev_document_find_get_n_results (find, i) > 0) {
3451 ev_view_find_previous (EvView *view)
3453 int n_results, n_pages;
3454 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3455 EvPageCache *page_cache;
3457 page_cache = ev_page_cache_get (view->document);
3459 n_results = ev_document_find_get_n_results (find, view->current_page);
3461 n_pages = ev_page_cache_get_n_pages (page_cache);
3463 view->find_result--;
3465 if (view->find_result < 0) {
3467 jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
3468 view->find_result = ev_document_find_get_n_results (find, view->current_page) - 1;
3469 jump_to_find_result (view);
3471 jump_to_find_result (view);
3472 gtk_widget_queue_draw (GTK_WIDGET (view));
3476 void ev_view_search_changed (EvView *view)
3478 /* search string has changed, focus on new search result */
3479 view->jump_to_find_result = TRUE;
3482 /*** Selections ***/
3484 /* compute_new_selection_rect/text calculates the area currently selected by
3485 * view_rect. each handles a different mode;
3488 compute_new_selection_rect (EvView *view,
3492 GdkRectangle view_rect;
3496 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
3498 view_rect.x = MIN (start->x, stop->x);
3499 view_rect.y = MIN (start->y, stop->y);
3500 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
3501 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
3503 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3505 for (i = 0; i < n_pages; i++) {
3506 GdkRectangle page_area;
3509 if (get_page_extents (view, i, &page_area, &border)) {
3510 GdkRectangle overlap;
3512 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
3513 EvViewSelection *selection;
3515 selection = g_new0 (EvViewSelection, 1);
3516 selection->page = i;
3517 view_rect_to_doc_rect (view, &overlap, &page_area,
3518 &(selection->rect));
3520 list = g_list_append (list, selection);
3529 gdk_rectangle_point_in (GdkRectangle *rectangle,
3532 return rectangle->x <= point->x &&
3533 rectangle->y <= point->y &&
3534 point->x < rectangle->x + rectangle->width &&
3535 point->y < rectangle->y + rectangle->height;
3539 compute_new_selection_text (EvView *view,
3543 int n_pages, i, first, last;
3545 EvViewSelection *selection;
3547 int start_page, end_page;
3549 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
3551 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3553 /* First figure out the range of pages the selection
3557 if (view->continuous) {
3560 } else if (view->dual_page) {
3561 start_page = view->start_page;
3562 end_page = view->end_page + 1;
3564 start_page = view->current_page;
3565 end_page = view->current_page + 1;
3568 for (i = start_page; i < end_page; i++) {
3569 GdkRectangle page_area;
3572 get_page_extents (view, i, &page_area, &border);
3573 if (gdk_rectangle_point_in (&page_area, start) ||
3574 gdk_rectangle_point_in (&page_area, stop)) {
3575 if (first == n_pages)
3584 /* Now create a list of EvViewSelection's for the affected
3585 * pages. This could be an empty list, a list of just one
3586 * page or a number of pages.*/
3587 for (i = first; i < last + 1; i++) {
3588 GdkRectangle page_area;
3592 ev_page_cache_get_size (view->page_cache, i,
3594 1.0, &width, &height);
3596 selection = g_new0 (EvViewSelection, 1);
3597 selection->page = i;
3598 selection->rect.x1 = selection->rect.y1 = 0;
3599 selection->rect.x2 = width;
3600 selection->rect.y2 = height;
3602 get_page_extents (view, i, &page_area, &border);
3604 if (gdk_rectangle_point_in (&page_area, start))
3610 view_point_to_doc_point (view, point, &page_area,
3611 &selection->rect.x1,
3612 &selection->rect.y1);
3614 /* If the selection is contained within just one page,
3615 * make sure we don't write 'start' into both points
3616 * in selection->rect. */
3621 view_point_to_doc_point (view, point, &page_area,
3622 &selection->rect.x2,
3623 &selection->rect.y2);
3625 list = g_list_append (list, selection);
3631 /* This function takes the newly calculated list, and figures out which regions
3632 * have changed. It then queues a redraw approporiately.
3635 merge_selection_region (EvView *view,
3639 GList *new_list_ptr, *old_list_ptr;
3641 /* Update the selection */
3642 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
3643 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
3644 view->selection_info.selections = new_list;
3645 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
3646 g_object_notify (G_OBJECT (view), "has-selection");
3648 new_list_ptr = new_list;
3649 old_list_ptr = old_list;
3651 while (new_list_ptr || old_list_ptr) {
3652 EvViewSelection *old_sel, *new_sel;
3654 GdkRegion *region = NULL;
3656 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
3657 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
3659 /* Assume that the lists are in order, and we run through them
3660 * comparing them, one page at a time. We come out with the
3661 * first page we see. */
3662 if (new_sel && old_sel) {
3663 if (new_sel->page < old_sel->page) {
3664 new_list_ptr = new_list_ptr->next;
3666 } else if (new_sel->page > old_sel->page) {
3667 old_list_ptr = old_list_ptr->next;
3670 new_list_ptr = new_list_ptr->next;
3671 old_list_ptr = old_list_ptr->next;
3673 } else if (new_sel) {
3674 new_list_ptr = new_list_ptr->next;
3675 } else if (old_sel) {
3676 old_list_ptr = old_list_ptr->next;
3679 g_assert (new_sel || old_sel);
3681 /* is the page we're looking at on the screen?*/
3682 cur_page = new_sel ? new_sel->page : old_sel->page;
3683 if (cur_page < view->start_page || cur_page > view->end_page)
3686 /* seed the cache with a new page. We are going to need the new
3689 GdkRegion *tmp_region = NULL;
3690 ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
3695 new_sel->covered_region = gdk_region_copy (tmp_region);
3699 /* Now we figure out what needs redrawing */
3700 if (old_sel && new_sel) {
3701 if (old_sel->covered_region &&
3702 new_sel->covered_region) {
3703 /* We only want to redraw the areas that have
3704 * changed, so we xor the old and new regions
3705 * and redraw if it's different */
3706 region = gdk_region_copy (old_sel->covered_region);
3707 gdk_region_xor (region, new_sel->covered_region);
3708 if (gdk_region_empty (region)) {
3709 gdk_region_destroy (region);
3712 } else if (old_sel->covered_region) {
3713 region = gdk_region_copy (old_sel->covered_region);
3714 } else if (new_sel->covered_region) {
3715 region = gdk_region_copy (new_sel->covered_region);
3717 } else if (old_sel && !new_sel) {
3718 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
3719 region = gdk_region_copy (old_sel->covered_region);
3721 } else if (!old_sel && new_sel) {
3722 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
3723 region = gdk_region_copy (new_sel->covered_region);
3726 g_assert_not_reached ();
3729 /* Redraw the damaged region! */
3731 GdkRectangle page_area;
3734 get_page_extents (view, cur_page, &page_area, &border);
3735 gdk_region_offset (region,
3736 page_area.x + border.left - view->scroll_x,
3737 page_area.y + border.top - view->scroll_y);
3738 gdk_window_invalidate_region (GTK_WIDGET (view)->window, region, TRUE);
3739 gdk_region_destroy (region);
3743 /* Free the old list, now that we're done with it. */
3744 g_list_foreach (old_list, (GFunc) selection_free, NULL);
3748 compute_selections (EvView *view,
3754 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
3755 list = compute_new_selection_rect (view, start, stop);
3757 list = compute_new_selection_text (view, start, stop);
3758 merge_selection_region (view, list);
3761 /* Free's the selection. It's up to the caller to queue redraws if needed.
3764 selection_free (EvViewSelection *selection)
3766 if (selection->covered_region)
3767 gdk_region_destroy (selection->covered_region);
3772 clear_selection (EvView *view)
3774 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
3775 view->selection_info.selections = NULL;
3776 view->selection_info.in_selection = FALSE;
3777 g_object_notify (G_OBJECT (view), "has-selection");
3782 ev_view_select_all (EvView *view)
3786 /* Disable selection on rotated pages for the 0.4.0 series */
3787 if (view->rotation != 0)
3790 clear_selection (view);
3792 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3793 for (i = 0; i < n_pages; i++) {
3795 EvViewSelection *selection;
3797 ev_page_cache_get_size (view->page_cache,
3800 1.0, &width, &height);
3802 selection = g_new0 (EvViewSelection, 1);
3803 selection->page = i;
3804 selection->rect.x1 = selection->rect.y1 = 0;
3805 selection->rect.x2 = width;
3806 selection->rect.y2 = height;
3808 view->selection_info.selections = g_list_append (view->selection_info.selections, selection);
3811 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, view->selection_info.selections);
3812 g_object_notify (G_OBJECT (view), "has-selection");
3813 gtk_widget_queue_draw (GTK_WIDGET (view));
3817 ev_view_get_has_selection (EvView *view)
3819 return view->selection_info.selections != NULL;
3823 get_selected_text (EvView *ev_view)
3828 text = g_string_new (NULL);
3830 ev_document_doc_mutex_lock ();
3832 for (l = ev_view->selection_info.selections; l != NULL; l = l->next) {
3833 EvViewSelection *selection = (EvViewSelection *)l->data;
3836 tmp = ev_document_get_text (ev_view->document,
3839 g_string_append (text, tmp);
3843 ev_document_doc_mutex_unlock ();
3845 return g_string_free (text, FALSE);
3849 ev_view_copy (EvView *ev_view)
3851 GtkClipboard *clipboard;
3854 if (!ev_document_can_get_text (ev_view->document)) {
3858 text = get_selected_text (ev_view);
3859 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
3860 GDK_SELECTION_CLIPBOARD);
3861 gtk_clipboard_set_text (clipboard, text, -1);
3866 ev_view_primary_get_cb (GtkClipboard *clipboard,
3867 GtkSelectionData *selection_data,
3871 EvView *ev_view = EV_VIEW (data);
3874 if (!ev_document_can_get_text (ev_view->document)) {
3878 text = get_selected_text (ev_view);
3879 gtk_selection_data_set_text (selection_data, text, -1);
3884 ev_view_primary_clear_cb (GtkClipboard *clipboard,
3887 EvView *view = EV_VIEW (data);
3889 clear_selection (view);
3893 ev_view_update_primary_selection (EvView *ev_view)
3895 GtkClipboard *clipboard;
3897 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
3898 GDK_SELECTION_PRIMARY);
3900 if (ev_view->selection_info.selections) {
3901 if (!gtk_clipboard_set_with_owner (clipboard,
3903 G_N_ELEMENTS (targets),
3904 ev_view_primary_get_cb,
3905 ev_view_primary_clear_cb,
3906 G_OBJECT (ev_view)))
3907 ev_view_primary_clear_cb (clipboard, ev_view);
3909 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
3910 gtk_clipboard_clear (clipboard);
3914 /*** Cursor operations ***/
3917 ev_view_create_invisible_cursor(void)
3920 GdkColor black = { 0, 0, 0, 0 };
3921 static char bits[] = { 0x00 };
3923 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
3925 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
3929 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
3931 GdkCursor *cursor = NULL;
3932 GdkDisplay *display;
3935 if (view->cursor == new_cursor) {
3939 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
3940 display = gtk_widget_get_display (widget);
3941 view->cursor = new_cursor;
3943 switch (new_cursor) {
3944 case EV_VIEW_CURSOR_NORMAL:
3945 gdk_window_set_cursor (widget->window, NULL);
3947 case EV_VIEW_CURSOR_IBEAM:
3948 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
3950 case EV_VIEW_CURSOR_LINK:
3951 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
3953 case EV_VIEW_CURSOR_WAIT:
3954 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
3956 case EV_VIEW_CURSOR_HIDDEN:
3957 cursor = ev_view_create_invisible_cursor ();
3959 case EV_VIEW_CURSOR_DRAG:
3960 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
3965 gdk_window_set_cursor (widget->window, cursor);
3966 gdk_cursor_unref (cursor);
3972 ev_view_hide_cursor (EvView *view)
3974 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
3978 ev_view_show_cursor (EvView *view)
3980 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
3984 ev_view_next_page (EvView *view)
3988 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3990 page = ev_page_cache_get_current_page (view->page_cache);
3992 if (view->dual_page && !view->presentation)
3997 if (page < ev_page_cache_get_n_pages (view->page_cache)) {
3998 ev_page_cache_set_current_page (view->page_cache, page);
4000 } else if (ev_view_get_dual_page (view) && page == ev_page_cache_get_n_pages (view->page_cache)) {
4001 ev_page_cache_set_current_page (view->page_cache, page - 1);
4009 ev_view_previous_page (EvView *view)
4013 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
4015 page = ev_page_cache_get_current_page (view->page_cache);
4017 if (view->dual_page && !view->presentation)
4023 ev_page_cache_set_current_page (view->page_cache, page);
4025 } else if (ev_view_get_dual_page (view) && page == -1) {
4026 ev_page_cache_set_current_page (view->page_cache, 0);
4033 /*** Enum description for usage in signal ***/
4036 ev_sizing_mode_get_type (void)
4038 static GType etype = 0;
4040 static const GEnumValue values[] = {
4041 { EV_SIZING_FIT_WIDTH, "EV_SIZING_FIT_WIDTH", "fit-width" },
4042 { EV_SIZING_BEST_FIT, "EV_SIZING_BEST_FIT", "best-fit" },
4043 { EV_SIZING_FREE, "EV_SIZING_FREE", "free" },
4046 etype = g_enum_register_static ("EvSizingMode", values);
4052 ev_scroll_type_get_type (void)
4054 static GType etype = 0;
4056 static const GEnumValue values[] = {
4057 { EV_SCROLL_PAGE_FORWARD, "EV_SCROLL_PAGE_FORWARD", "scroll-page-forward" },
4058 { EV_SCROLL_PAGE_BACKWARD, "EV_SCROLL_PAGE_BACKWARD", "scroll-page-backward" },
4059 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
4060 { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" },
4061 { EV_SCROLL_STEP_UP, "EV_SCROLL_STEP_UP", "scroll-step-up" },
4062 { EV_SCROLL_STEP_DOWN, "EV_SCROLL_STEP_DOWN", "scroll-step-down" },
4065 etype = g_enum_register_static ("EvScrollType", values);