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.
22 #include <gtk/gtkalignment.h>
23 #include <glib/gi18n.h>
24 #include <gtk/gtkbindings.h>
25 #include <gtk/gtkselection.h>
26 #include <gtk/gtkclipboard.h>
27 #include <gdk/gdkkeysyms.h>
28 #include <libgnomevfs/gnome-vfs-utils.h>
30 #include "ev-marshal.h"
32 #include "ev-selection.h"
33 #include "ev-document-find.h"
34 #include "ev-document-misc.h"
36 #include "ev-job-queue.h"
37 #include "ev-page-cache.h"
38 #include "ev-pixbuf-cache.h"
40 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
41 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
42 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
57 SIGNAL_BINDING_ACTIVATED,
67 TARGET_TEXT_BUFFER_CONTENTS
70 static const GtkTargetEntry targets[] = {
71 { "STRING", 0, TARGET_STRING },
72 { "TEXT", 0, TARGET_TEXT },
73 { "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT },
74 { "UTF8_STRING", 0, TARGET_UTF8_STRING },
77 static guint signals[N_SIGNALS];
80 EV_VIEW_CURSOR_NORMAL,
84 EV_VIEW_CURSOR_HIDDEN,
88 #define ZOOM_IN_FACTOR 1.2
89 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
91 #define MIN_SCALE 0.05409
94 /* Information for middle clicking and moving around the doc */
102 /* Information for handling selection */
104 gboolean in_selection;
110 SCROLL_TO_KEEP_POSITION,
111 SCROLL_TO_CURRENT_PAGE,
116 GtkWidget parent_instance;
118 EvDocument *document;
126 /* Information for middle clicking and dragging around. */
130 EvViewSelectionMode selection_mode;
131 SelectionInfo selection_info;
133 gboolean pressed_button;
136 GtkAdjustment *hadjustment;
137 GtkAdjustment *vadjustment;
139 EvPageCache *page_cache;
140 EvPixbufCache *pixbuf_cache;
146 EvJobRender *current_job;
152 EvOrientation orientation;
158 gboolean presentation;
159 EvSizingMode sizing_mode;
161 PendingScroll pending_scroll;
162 gboolean pending_resize;
165 struct _EvViewClass {
166 GtkWidgetClass parent_class;
168 void (*set_scroll_adjustments) (EvView *view,
169 GtkAdjustment *hadjustment,
170 GtkAdjustment *vadjustment);
171 void (*binding_activated) (EvView *view,
172 GtkScrollType scroll,
173 gboolean horizontal);
174 void (*zoom_invalid) (EvView *view);
178 static void scroll_to_current_page (EvView *view,
179 GtkOrientation orientation);
180 static void ev_view_set_scroll_adjustments (EvView *view,
181 GtkAdjustment *hadjustment,
182 GtkAdjustment *vadjustment);
183 static void view_update_range_and_current_page (EvView *view);
184 static void set_scroll_adjustment (EvView *view,
185 GtkOrientation orientation,
186 GtkAdjustment *adjustment);
187 static void ev_view_set_scroll_adjustments (EvView *view,
188 GtkAdjustment *hadjustment,
189 GtkAdjustment *vadjustment);
190 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
192 GtkScrollType scroll,
193 gboolean horizontal);
194 static void ev_view_binding_activated (EvView *view,
195 GtkScrollType scroll,
196 gboolean horizontal);
197 static void ensure_rectangle_is_visible (EvView *view,
200 /*** Geometry computations ***/
201 static void compute_border (EvView *view,
205 static void get_page_y_offset (EvView *view,
209 static gboolean get_page_extents (EvView *view,
211 GdkRectangle *page_area,
213 static void view_rect_to_doc_rect (EvView *view,
214 GdkRectangle *view_rect,
215 GdkRectangle *page_area,
216 EvRectangle *doc_rect);
217 static void doc_rect_to_view_rect (EvView *view,
219 EvRectangle *doc_rect,
220 GdkRectangle *view_rect);
221 static void find_page_at_location (EvView *view,
229 static EvLink* get_link_at_location (EvView *view,
232 static void go_to_link (EvView *view,
234 static char* status_message_from_link (EvView *view,
237 /*** GtkWidget implementation ***/
238 static void ev_view_size_request_continuous_dual_page (EvView *view,
239 GtkRequisition *requisition);
240 static void ev_view_size_request_continuous (EvView *view,
241 GtkRequisition *requisition);
242 static void ev_view_size_request_dual_page (EvView *view,
243 GtkRequisition *requisition);
244 static void ev_view_size_request_single_page (EvView *view,
245 GtkRequisition *requisition);
246 static void ev_view_size_request (GtkWidget *widget,
247 GtkRequisition *requisition);
248 static void ev_view_size_allocate (GtkWidget *widget,
249 GtkAllocation *allocation);
250 static void ev_view_realize (GtkWidget *widget);
251 static void ev_view_unrealize (GtkWidget *widget);
252 static gboolean ev_view_scroll_event (GtkWidget *widget,
253 GdkEventScroll *event);
254 static gboolean ev_view_expose_event (GtkWidget *widget,
255 GdkEventExpose *event);
256 static gboolean ev_view_button_press_event (GtkWidget *widget,
257 GdkEventButton *event);
258 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
259 GdkEventMotion *event);
260 static gboolean ev_view_button_release_event (GtkWidget *widget,
261 GdkEventButton *event);
262 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
263 GdkEventCrossing *event);
266 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
267 static void draw_rubberband (GtkWidget *widget,
269 const GdkRectangle *rect,
271 static void highlight_find_results (EvView *view,
273 static void draw_one_page (EvView *view,
275 GdkRectangle *page_area,
277 GdkRectangle *expose_area);
280 static void find_changed_cb (EvDocument *document,
283 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
285 static void page_changed_cb (EvPageCache *page_cache,
288 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
292 static void ev_view_finalize (GObject *object);
293 static void ev_view_destroy (GtkObject *object);
294 static void ev_view_set_property (GObject *object,
298 static void ev_view_get_property (GObject *object,
302 static void ev_view_class_init (EvViewClass *class);
303 static void ev_view_init (EvView *view);
305 /*** Zoom and sizing ***/
306 static double zoom_for_size_fit_width (int doc_width,
311 static double zoom_for_size_best_fit (int doc_width,
317 static void ev_view_zoom_for_size_presentation (EvView *view,
320 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
325 static void ev_view_zoom_for_size_continuous (EvView *view,
330 static void ev_view_zoom_for_size_dual_page (EvView *view,
335 static void ev_view_zoom_for_size_single_page (EvView *view,
341 static GdkCursor* ev_view_create_invisible_cursor (void);
342 static void ev_view_set_cursor (EvView *view,
343 EvViewCursor new_cursor);
345 /*** Status messages ***/
346 static void ev_view_set_status (EvView *view,
347 const char *message);
348 static void update_find_status_message (EvView *view);
349 static void ev_view_set_find_status (EvView *view,
350 const char *message);
352 static void jump_to_find_result (EvView *view);
353 static void jump_to_find_page (EvView *view);
356 static void compute_selections (EvView *view,
359 static void clear_selection (EvView *view);
360 static char* get_selected_text (EvView *ev_view);
361 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
362 GtkSelectionData *selection_data,
365 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
367 static void ev_view_update_primary_selection (EvView *ev_view);
370 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_WIDGET)
373 scroll_to_current_page (EvView *view, GtkOrientation orientation)
375 GdkRectangle page_area;
378 if (view->document == NULL) {
382 get_page_extents (view, view->current_page, &page_area, &border);
384 if (orientation == GTK_ORIENTATION_VERTICAL) {
385 if (view->continuous) {
386 gtk_adjustment_clamp_page (view->vadjustment,
387 page_area.y - view->spacing,
388 page_area.y + view->vadjustment->page_size);
390 gtk_adjustment_set_value (view->vadjustment,
391 view->vadjustment->lower);
394 if (view->dual_page) {
395 gtk_adjustment_clamp_page (view->hadjustment,
397 page_area.x + view->hadjustment->page_size);
399 gtk_adjustment_set_value (view->hadjustment,
400 CLAMP (view->hadjustment->value,
401 view->hadjustment->lower,
402 view->hadjustment->upper -
403 view->hadjustment->page_size));
409 view_set_adjustment_values (EvView *view,
410 GtkOrientation orientation)
412 GtkWidget *widget = GTK_WIDGET (view);
413 GtkAdjustment *adjustment;
420 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
421 requisition = widget->requisition.width;
422 allocation = widget->allocation.width;
423 adjustment = view->hadjustment;
425 requisition = widget->requisition.height;
426 allocation = widget->allocation.height;
427 adjustment = view->vadjustment;
434 switch (view->pending_scroll) {
435 case SCROLL_TO_KEEP_POSITION:
436 factor = (adjustment->value) / adjustment->upper;
438 case SCROLL_TO_CURRENT_PAGE:
440 case SCROLL_TO_CENTER:
441 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
445 adjustment->page_size = allocation;
446 adjustment->step_increment = allocation * 0.1;
447 adjustment->page_increment = allocation * 0.9;
448 adjustment->lower = 0;
449 adjustment->upper = MAX (allocation, requisition);
452 * We add 0.5 to the values before to average out our rounding errors.
454 switch (view->pending_scroll) {
455 case SCROLL_TO_KEEP_POSITION:
456 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
457 gtk_adjustment_set_value (adjustment, (int)new_value);
459 case SCROLL_TO_CURRENT_PAGE:
460 scroll_to_current_page (view, orientation);
462 case SCROLL_TO_CENTER:
463 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
464 0, adjustment->upper - adjustment->page_size);
465 gtk_adjustment_set_value (adjustment, (int)new_value);
469 gtk_adjustment_changed (adjustment);
473 view_update_range_and_current_page (EvView *view)
475 /* Presentation trumps all other modes */
476 if (view->presentation) {
477 view->start_page = view->current_page;
478 view->end_page = view->current_page;
479 } else if (view->continuous) {
480 GdkRectangle current_area, unused, page_area;
483 gboolean found = FALSE;
486 if (!(view->vadjustment && view->hadjustment))
489 current_area.x = view->hadjustment->value;
490 current_area.width = view->hadjustment->upper;
491 current_area.y = view->vadjustment->value;
492 current_area.height = view->vadjustment->page_size;
494 for (i = 0; i < ev_page_cache_get_n_pages (view->page_cache); i++) {
496 get_page_extents (view, i, &page_area, &border);
498 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
500 view->start_page = i;
510 current_page = ev_page_cache_get_current_page (view->page_cache);
512 if (current_page < view->start_page || current_page > view->end_page) {
513 view->current_page = view->start_page;
514 ev_page_cache_set_current_page (view->page_cache, view->start_page);
517 if (view->dual_page) {
518 if (view->current_page % 2 == 0) {
519 view->start_page = view->current_page;
520 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache))
521 view->end_page = view->start_page + 1;
523 view->start_page = view->current_page - 1;
524 view->end_page = view->current_page;
527 view->start_page = view->current_page;
528 view->end_page = view->current_page;
532 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
537 view->selection_info.selections);
541 set_scroll_adjustment (EvView *view,
542 GtkOrientation orientation,
543 GtkAdjustment *adjustment)
545 GtkAdjustment **to_set;
547 if (orientation == GTK_ORIENTATION_HORIZONTAL)
548 to_set = &view->hadjustment;
550 to_set = &view->vadjustment;
552 if (*to_set != adjustment) {
554 g_signal_handlers_disconnect_by_func (*to_set,
555 (gpointer) on_adjustment_value_changed,
557 g_object_unref (*to_set);
560 *to_set = adjustment;
561 view_set_adjustment_values (view, orientation);
564 g_object_ref (*to_set);
565 g_signal_connect (*to_set, "value_changed",
566 G_CALLBACK (on_adjustment_value_changed), view);
572 ev_view_set_scroll_adjustments (EvView *view,
573 GtkAdjustment *hadjustment,
574 GtkAdjustment *vadjustment)
576 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
577 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
579 on_adjustment_value_changed (NULL, view);
583 add_scroll_binding_keypad (GtkBindingSet *binding_set,
585 GtkScrollType scroll,
588 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
590 gtk_binding_entry_add_signal (binding_set, keyval, 0,
591 "binding_activated", 2,
592 GTK_TYPE_SCROLL_TYPE, scroll,
593 G_TYPE_BOOLEAN, horizontal);
594 gtk_binding_entry_add_signal (binding_set, keypad_keyval, 0,
595 "binding_activated", 2,
596 GTK_TYPE_SCROLL_TYPE, scroll,
597 G_TYPE_BOOLEAN, horizontal);
601 ev_view_scroll (EvView *view,
604 GtkAdjustment *adjustment;
605 double value, increment;
606 gboolean first_page = FALSE;
607 gboolean last_page = FALSE;
609 /* Assign values for increment and vertical adjustment */
610 adjustment = view->vadjustment;
611 increment = adjustment->page_size * 0.75;
612 value = adjustment->value;
614 /* Assign boolean for first and last page */
615 if (view->current_page == 0)
617 if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1)
621 case EV_SCROLL_PAGE_BACKWARD:
622 /* Do not jump backwards if at the first page */
623 if (value == (adjustment->lower) && first_page) {
625 /* At the top of a page, assign the upper bound limit of previous page */
626 } else if (value == (adjustment->lower)) {
627 value = adjustment->upper - adjustment->page_size;
628 ev_page_cache_set_current_page (view->page_cache, view->current_page - 1);
629 /* Jump to the top */
631 value = MAX (value - increment, adjustment->lower);
634 case EV_SCROLL_PAGE_FORWARD:
635 /* Do not jump forward if at the last page */
636 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
638 /* At the bottom of a page, assign the lower bound limit of next page */
639 } else if (value == (adjustment->upper - adjustment->page_size)) {
641 ev_page_cache_set_current_page (view->page_cache, view->current_page + 1);
642 /* Jump to the bottom */
644 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
651 gtk_adjustment_set_value (adjustment, value);
655 ev_view_binding_activated (EvView *view,
656 GtkScrollType scroll,
659 GtkAdjustment *adjustment;
662 if (view->presentation) {
664 case GTK_SCROLL_STEP_BACKWARD:
665 ev_page_cache_prev_page (view->page_cache);
667 case GTK_SCROLL_STEP_FORWARD:
668 ev_page_cache_next_page (view->page_cache);
677 adjustment = view->hadjustment;
679 adjustment = view->vadjustment;
682 value = adjustment->value;
685 case GTK_SCROLL_STEP_BACKWARD:
686 value -= adjustment->step_increment;
688 case GTK_SCROLL_STEP_FORWARD:
689 value += adjustment->step_increment;
695 value = CLAMP (value, adjustment->lower,
696 adjustment->upper - adjustment->page_size);
698 gtk_adjustment_set_value (adjustment, value);
704 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
706 GtkWidget *widget = GTK_WIDGET (view);
707 GtkAdjustment *adjustment;
710 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
712 adjustment = view->vadjustment;
714 if (rect->y < adjustment->value) {
715 value = MAX (adjustment->lower, rect->y - MARGIN);
716 gtk_adjustment_set_value (view->vadjustment, value);
717 } else if (rect->y + rect->height >
718 adjustment->value + widget->allocation.height) {
719 value = MIN (adjustment->upper, rect->y + rect->height -
720 widget->allocation.height + MARGIN);
721 gtk_adjustment_set_value (view->vadjustment, value);
724 adjustment = view->hadjustment;
726 if (rect->x < adjustment->value) {
727 value = MAX (adjustment->lower, rect->x - MARGIN);
728 gtk_adjustment_set_value (view->hadjustment, value);
729 } else if (rect->x + rect->height >
730 adjustment->value + widget->allocation.width) {
731 value = MIN (adjustment->upper, rect->x + rect->width -
732 widget->allocation.width + MARGIN);
733 gtk_adjustment_set_value (view->hadjustment, value);
737 /*** Geometry computations ***/
740 compute_border (EvView *view, int width, int height, GtkBorder *border)
742 if (view->presentation) {
748 ev_document_misc_get_page_border_size (width, height, border);
753 get_page_y_offset (EvView *view, int page, double zoom, int *y_offset)
755 int max_width, offset;
758 g_return_if_fail (y_offset != NULL);
760 ev_page_cache_get_max_width (view->page_cache, view->orientation, zoom, &max_width);
762 compute_border (view, max_width, max_width, &border);
764 if (view->dual_page) {
765 ev_page_cache_get_height_to_page (view->page_cache, page,
766 view->orientation, zoom, NULL, &offset);
767 offset += (page / 2 + 1) * view->spacing + (page / 2) * (border.top + border.bottom);
769 ev_page_cache_get_height_to_page (view->page_cache, page,
770 view->orientation, zoom, &offset, NULL);
771 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
779 get_page_extents (EvView *view,
781 GdkRectangle *page_area,
787 widget = GTK_WIDGET (view);
789 /* Get the size of the page */
790 ev_page_cache_get_size (view->page_cache, page,
794 compute_border (view, width, height, border);
795 page_area->width = width + border->left + border->right;
796 page_area->height = height + border->top + border->bottom;
798 if (view->presentation) {
799 page_area->x = (MAX (0, widget->allocation.width - width))/2;
800 page_area->y = (MAX (0, widget->allocation.height - height))/2;
801 } else if (view->continuous) {
805 ev_page_cache_get_max_width (view->page_cache, view->scale,
806 view->orientation, &max_width);
807 max_width = max_width + border->left + border->right;
808 /* Get the location of the bounding box */
809 if (view->dual_page) {
810 x = view->spacing + (page % 2) * (max_width + view->spacing);
811 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
813 x = x + (max_width - width - border->left - border->right);
816 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
819 get_page_y_offset (view, page, view->scale, &y);
825 if (view->dual_page) {
826 gint width_2, height_2;
827 gint max_width = width;
828 gint max_height = height;
829 GtkBorder overall_border;
832 other_page = page ^ 1;
834 /* First, we get the bounding box of the two pages */
835 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
836 ev_page_cache_get_size (view->page_cache,
840 &width_2, &height_2);
843 if (height_2 > height)
844 max_height = height_2;
846 compute_border (view, max_width, max_height, &overall_border);
848 /* Find the offsets */
852 /* Adjust for being the left or right page */
854 x = x + max_width - width;
856 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
858 y = y + (max_height - height)/2;
860 /* Adjust for extra allocation */
861 x = x + MAX (0, widget->allocation.width -
862 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
863 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
868 /* Adjust for extra allocation */
869 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
870 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
881 view_point_to_doc_point (EvView *view,
882 GdkPoint *view_point,
883 GdkRectangle *page_area,
887 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
888 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
892 view_rect_to_doc_rect (EvView *view,
893 GdkRectangle *view_rect,
894 GdkRectangle *page_area,
895 EvRectangle *doc_rect)
897 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
898 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
899 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
900 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
904 doc_rect_to_view_rect (EvView *view,
906 EvRectangle *doc_rect,
907 GdkRectangle *view_rect)
909 GdkRectangle page_area;
913 get_page_extents (view, page, &page_area, &border);
915 width = doc_rect->x2 - doc_rect->x1;
916 height = doc_rect->y2 - doc_rect->y1;
917 view_rect->x = floor (doc_rect->x1 * view->scale) + page_area.x;
918 view_rect->y = floor (doc_rect->y1 * view->scale) + page_area.y;
919 view_rect->width = ceil (width * view->scale);
920 view_rect->height = ceil (height * view->scale);
924 find_page_at_location (EvView *view,
933 if (view->document == NULL)
940 for (i = view->start_page; i <= view->end_page; i++) {
941 GdkRectangle page_area;
944 if (! get_page_extents (view, i, &page_area, &border))
947 if ((x >= page_area.x + border.left) &&
948 (x < page_area.x + page_area.width - border.right) &&
949 (y >= page_area.y + border.top) &&
950 (y < page_area.y + page_area.height - border.bottom)) {
952 *x_offset = x - (page_area.x + border.left);
953 *y_offset = y - (page_area.y + border.top);
962 location_in_text (EvView *view,
968 gint x_offset = 0, y_offset = 0;
970 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
975 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
978 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
985 get_link_at_location (EvView *view,
990 gint x_offset = 0, y_offset = 0;
993 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
998 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1001 return ev_link_mapping_find (link_mapping, x_offset / view->scale, y_offset / view->scale);
1006 /* FIXME: standardize this sometime */
1008 go_to_link (EvView *view, EvLink *link)
1014 type = ev_link_get_link_type (link);
1017 case EV_LINK_TYPE_TITLE:
1019 case EV_LINK_TYPE_PAGE:
1020 page = ev_link_get_page (link);
1021 ev_page_cache_set_current_page (view->page_cache, page);
1023 case EV_LINK_TYPE_EXTERNAL_URI:
1024 uri = ev_link_get_uri (link);
1025 gnome_vfs_url_show (uri);
1031 status_message_from_link (EvView *view, EvLink *link)
1037 type = ev_link_get_link_type (link);
1040 case EV_LINK_TYPE_TITLE:
1041 if (ev_link_get_title (link))
1042 msg = g_strdup (ev_link_get_title (link));
1044 case EV_LINK_TYPE_PAGE:
1045 page_label = ev_page_cache_get_page_label (view->page_cache, ev_link_get_page (link));
1046 msg = g_strdup_printf (_("Go to page %s"), page_label);
1047 g_free (page_label);
1049 case EV_LINK_TYPE_EXTERNAL_URI:
1050 msg = g_strdup (ev_link_get_uri (link));
1060 /*** GtkWidget implementation ***/
1063 ev_view_size_request_continuous_dual_page (EvView *view,
1064 GtkRequisition *requisition)
1070 ev_page_cache_get_max_width (view->page_cache, view->orientation,
1071 view->scale, &max_width);
1072 compute_border (view, max_width, max_width, &border);
1074 n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1;
1076 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
1077 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1079 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1080 requisition->width = 1;
1081 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1082 requisition->width = 1;
1083 /* FIXME: This could actually be set on one page docs or docs
1084 * with a strange aspect ratio. */
1085 /* requisition->height = 1;*/
1090 ev_view_size_request_continuous (EvView *view,
1091 GtkRequisition *requisition)
1098 ev_page_cache_get_max_width (view->page_cache, view->orientation,
1099 view->scale, &max_width);
1100 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1101 compute_border (view, max_width, max_width, &border);
1103 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
1104 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1106 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1107 requisition->width = 1;
1108 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1109 requisition->width = 1;
1110 /* FIXME: This could actually be set on one page docs or docs
1111 * with a strange aspect ratio. */
1112 /* requisition->height = 1;*/
1117 ev_view_size_request_dual_page (EvView *view,
1118 GtkRequisition *requisition)
1123 /* Find the largest of the two. */
1124 ev_page_cache_get_size (view->page_cache,
1129 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) {
1130 gint width_2, height_2;
1131 ev_page_cache_get_size (view->page_cache,
1132 view->current_page + 1,
1135 &width_2, &height_2);
1136 if (width_2 > width) {
1141 compute_border (view, width, height, &border);
1143 requisition->width = ((width + border.left + border.right) * 2) +
1144 (view->spacing * 3);
1145 requisition->height = (height + border.top + border.bottom) +
1146 (view->spacing * 2);
1148 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1149 requisition->width = 1;
1150 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1151 requisition->width = 1;
1152 requisition->height = 1;
1157 ev_view_size_request_single_page (EvView *view,
1158 GtkRequisition *requisition)
1163 ev_page_cache_get_size (view->page_cache,
1168 compute_border (view, width, height, &border);
1170 requisition->width = width + border.left + border.right + (2 * view->spacing);
1171 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1173 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1174 requisition->width = 1;
1175 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1176 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1177 requisition->width = 1;
1178 requisition->height = 1;
1183 ev_view_size_request (GtkWidget *widget,
1184 GtkRequisition *requisition)
1186 EvView *view = EV_VIEW (widget);
1188 if (view->document == NULL) {
1189 requisition->width = 1;
1190 requisition->height = 1;
1194 if (view->presentation) {
1195 requisition->width = 1;
1196 requisition->height = 1;
1200 if (view->continuous && view->dual_page)
1201 ev_view_size_request_continuous_dual_page (view, requisition);
1202 else if (view->continuous)
1203 ev_view_size_request_continuous (view, requisition);
1204 else if (view->dual_page)
1205 ev_view_size_request_dual_page (view, requisition);
1207 ev_view_size_request_single_page (view, requisition);
1211 ev_view_size_allocate (GtkWidget *widget,
1212 GtkAllocation *allocation)
1214 EvView *view = EV_VIEW (widget);
1216 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
1217 view->sizing_mode == EV_SIZING_BEST_FIT) {
1219 g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0);
1221 ev_view_size_request (widget, &widget->requisition);
1224 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
1225 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
1227 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
1228 view->pending_resize = FALSE;
1231 view_update_range_and_current_page (view);
1233 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
1237 ev_view_realize (GtkWidget *widget)
1239 EvView *view = EV_VIEW (widget);
1240 GdkWindowAttr attributes;
1242 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
1245 attributes.window_type = GDK_WINDOW_CHILD;
1246 attributes.wclass = GDK_INPUT_OUTPUT;
1247 attributes.visual = gtk_widget_get_visual (widget);
1248 attributes.colormap = gtk_widget_get_colormap (widget);
1250 attributes.x = widget->allocation.x;
1251 attributes.y = widget->allocation.y;
1252 attributes.width = widget->allocation.width;
1253 attributes.height = widget->allocation.height;
1254 attributes.event_mask = GDK_EXPOSURE_MASK |
1255 GDK_BUTTON_PRESS_MASK |
1256 GDK_BUTTON_RELEASE_MASK |
1258 GDK_KEY_PRESS_MASK |
1259 GDK_POINTER_MOTION_MASK |
1260 GDK_LEAVE_NOTIFY_MASK;
1262 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
1264 GDK_WA_X | GDK_WA_Y |
1267 gdk_window_set_user_data (widget->window, widget);
1268 widget->style = gtk_style_attach (widget->style, widget->window);
1270 if (view->presentation)
1271 gdk_window_set_background (widget->window, &widget->style->black);
1273 gdk_window_set_background (widget->window, &widget->style->mid [GTK_STATE_NORMAL]);
1277 ev_view_unrealize (GtkWidget *widget)
1279 GTK_WIDGET_CLASS (ev_view_parent_class)->unrealize (widget);
1283 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
1285 EvView *view = EV_VIEW (widget);
1287 if ((event->state & GDK_CONTROL_MASK) != 0) {
1289 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1291 if (event->direction == GDK_SCROLL_UP ||
1292 event->direction == GDK_SCROLL_LEFT) {
1293 if (ev_view_can_zoom_in (view)) {
1294 ev_view_zoom_in (view);
1297 if (ev_view_can_zoom_out (view)) {
1298 ev_view_zoom_out (view);
1304 if ((event->state & GDK_SHIFT_MASK) != 0) {
1305 if (event->direction == GDK_SCROLL_UP)
1306 event->direction = GDK_SCROLL_LEFT;
1307 if (event->direction == GDK_SCROLL_DOWN)
1308 event->direction = GDK_SCROLL_RIGHT;
1314 static EvViewSelection *
1315 find_selection_for_page (EvView *view,
1320 for (list = view->selection_info.selections; list != NULL; list = list->next) {
1321 EvViewSelection *selection;
1323 selection = (EvViewSelection *) list->data;
1325 if (selection->page == page)
1333 ev_view_expose_event (GtkWidget *widget,
1334 GdkEventExpose *event)
1336 EvView *view = EV_VIEW (widget);
1339 if (view->document == NULL)
1342 for (i = view->start_page; i <= view->end_page; i++) {
1343 GdkRectangle page_area;
1346 if (!get_page_extents (view, i, &page_area, &border))
1349 page_area.x -= view->scroll_x;
1350 page_area.y -= view->scroll_y;
1352 draw_one_page (view, i, &page_area, &border, &(event->area));
1354 if (EV_IS_DOCUMENT_FIND (view->document))
1355 highlight_find_results (view, i);
1362 ev_view_button_press_event (GtkWidget *widget,
1363 GdkEventButton *event)
1365 EvView *view = EV_VIEW (widget);
1367 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
1368 gtk_widget_grab_focus (widget);
1371 view->pressed_button = event->button;
1373 switch (event->button) {
1375 if (view->selection_info.selections) {
1376 clear_selection (view);
1377 gtk_widget_queue_draw (widget);
1380 view->selection_info.start.x = event->x + view->scroll_x;
1381 view->selection_info.start.y = event->y + view->scroll_y;
1384 /* use root coordinates as reference point because
1385 * scrolling changes window relative coordinates */
1386 view->drag_info.start.x = event->x_root;
1387 view->drag_info.start.y = event->y_root;
1388 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
1389 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
1391 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1400 ev_view_motion_notify_event (GtkWidget *widget,
1401 GdkEventMotion *event)
1403 EvView *view = EV_VIEW (widget);
1405 if (!view->document)
1408 if (view->pressed_button == 1) {
1411 view->selection_info.in_selection = TRUE;
1412 point.x = event->x + view->scroll_x;
1413 point.y = event->y + view->scroll_y;
1414 compute_selections (view, &view->selection_info.start, &point);
1417 } else if (view->pressed_button == 2) {
1418 if (!view->drag_info.in_drag) {
1421 start = gtk_drag_check_threshold (widget,
1422 view->drag_info.start.x,
1423 view->drag_info.start.y,
1426 view->drag_info.in_drag = start;
1429 if (view->drag_info.in_drag) {
1431 gdouble dhadj_value, dvadj_value;
1433 dx = event->x_root - view->drag_info.start.x;
1434 dy = event->y_root - view->drag_info.start.y;
1436 dhadj_value = view->hadjustment->page_size *
1437 (gdouble)dx / widget->allocation.width;
1438 dvadj_value = view->vadjustment->page_size *
1439 (gdouble)dy / widget->allocation.height;
1441 /* clamp scrolling to visible area */
1442 gtk_adjustment_set_value (view->hadjustment,
1443 MIN(view->drag_info.hadj - dhadj_value,
1444 view->hadjustment->upper -
1445 view->hadjustment->page_size));
1446 gtk_adjustment_set_value (view->vadjustment,
1447 MIN(view->drag_info.vadj - dvadj_value,
1448 view->vadjustment->upper -
1449 view->vadjustment->page_size));
1453 } else if (view->pressed_button <= 0) {
1456 link = get_link_at_location (view, event->x + view->scroll_x, event->y + view->scroll_y);
1460 msg = status_message_from_link (view, link);
1461 ev_view_set_status (view, msg);
1462 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1464 } else if (location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y)) {
1465 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1467 ev_view_set_status (view, NULL);
1468 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1469 view->cursor == EV_VIEW_CURSOR_IBEAM)
1470 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1479 ev_view_button_release_event (GtkWidget *widget,
1480 GdkEventButton *event)
1482 EvView *view = EV_VIEW (widget);
1484 if (view->pressed_button == 2) {
1485 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1488 view->pressed_button = -1;
1489 view->drag_info.in_drag = FALSE;
1491 if (view->selection_info.selections) {
1492 ev_view_update_primary_selection (view);
1493 } else if (view->document) {
1496 link = get_link_at_location (view, event->x + view->scroll_x, event->y + view->scroll_y);
1498 go_to_link (view, link);
1506 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
1508 EvView *view = EV_VIEW (widget);
1510 ev_view_set_status (view, NULL);
1512 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1513 view->cursor == EV_VIEW_CURSOR_IBEAM)
1514 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1522 ev_gdk_color_to_rgb (const GdkColor *color)
1525 result = (0xff0000 | (color->red & 0xff00));
1527 result |= ((color->green & 0xff00) | (color->blue >> 8));
1532 draw_rubberband (GtkWidget *widget, GdkWindow *window,
1533 const GdkRectangle *rect, guchar alpha)
1537 GdkColor *fill_color_gdk;
1540 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
1541 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
1543 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
1544 rect->width, rect->height);
1545 gdk_pixbuf_fill (pixbuf, fill_color);
1547 gdk_draw_pixbuf (window, NULL, pixbuf,
1549 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
1550 rect->width, rect->height,
1551 GDK_RGB_DITHER_NONE,
1554 g_object_unref (pixbuf);
1556 gc = gdk_gc_new (window);
1557 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
1558 gdk_draw_rectangle (window, gc, FALSE,
1559 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
1562 g_object_unref (gc);
1564 gdk_color_free (fill_color_gdk);
1569 highlight_find_results (EvView *view, int page)
1571 EvDocumentFind *find;
1574 g_return_if_fail (EV_IS_DOCUMENT_FIND (view->document));
1576 find = EV_DOCUMENT_FIND (view->document);
1578 results = ev_document_find_get_n_results (find, page);
1580 for (i = 0; i < results; i++) {
1581 EvRectangle rectangle;
1582 GdkRectangle view_rectangle;
1585 if (i == view->find_result && page == view->find_page) {
1591 ev_document_find_get_result (find, page,
1593 doc_rect_to_view_rect (view, page, &rectangle, &view_rectangle);
1594 draw_rubberband (GTK_WIDGET (view), GTK_WIDGET(view)->window,
1595 &view_rectangle, alpha);
1600 draw_one_page (EvView *view,
1602 GdkRectangle *page_area,
1604 GdkRectangle *expose_area)
1607 GdkPixbuf *current_pixbuf;
1608 GdkRectangle overlap;
1609 GdkRectangle real_page_area;
1610 EvViewSelection *selection;
1612 g_assert (view->document);
1613 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
1616 selection = find_selection_for_page (view, page);
1617 ev_page_cache_get_size (view->page_cache,
1618 page, view->orientation,
1621 /* Render the document itself */
1622 real_page_area = *page_area;
1624 real_page_area.x += border->left;
1625 real_page_area.y += border->top;
1626 real_page_area.width -= (border->left + border->right);
1627 real_page_area.height -= (border->top + border->bottom);
1629 ev_document_misc_paint_one_page (GTK_WIDGET(view)->window,
1633 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
1634 GdkPixbuf *selection_pixbuf = NULL;
1635 GdkPixbuf *scaled_image;
1636 GdkPixbuf *scaled_selection;
1638 current_pixbuf = ev_pixbuf_cache_get_pixbuf (view->pixbuf_cache, page);
1640 /* Get the selection pixbuf iff we have something to draw */
1641 if (current_pixbuf && view->selection_mode == EV_VIEW_SELECTION_TEXT && selection)
1642 selection_pixbuf = ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
1646 if (current_pixbuf == NULL)
1647 scaled_image = NULL;
1648 else if (width == gdk_pixbuf_get_width (current_pixbuf) &&
1649 height == gdk_pixbuf_get_height (current_pixbuf))
1650 scaled_image = g_object_ref (current_pixbuf);
1652 /* FIXME: We don't want to scale the whole area, just the right
1654 scaled_image = gdk_pixbuf_scale_simple (current_pixbuf,
1656 GDK_INTERP_NEAREST);
1658 if (selection_pixbuf == NULL)
1659 scaled_selection = NULL;
1660 else if (width == gdk_pixbuf_get_width (selection_pixbuf) &&
1661 height == gdk_pixbuf_get_height (selection_pixbuf))
1662 scaled_selection = g_object_ref (selection_pixbuf);
1664 /* FIXME: We don't want to scale the whole area, just the right
1666 scaled_selection = gdk_pixbuf_scale_simple (selection_pixbuf,
1668 GDK_INTERP_NEAREST);
1671 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
1672 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
1674 overlap.x - real_page_area.x,
1675 overlap.y - real_page_area.y,
1676 overlap.x, overlap.y,
1677 overlap.width, overlap.height,
1678 GDK_RGB_DITHER_NORMAL,
1680 g_object_unref (scaled_image);
1683 if (scaled_selection) {
1684 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
1685 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
1687 overlap.x - real_page_area.x,
1688 overlap.y - real_page_area.y,
1689 overlap.x, overlap.y,
1690 overlap.width, overlap.height,
1691 GDK_RGB_DITHER_NORMAL,
1693 g_object_unref (scaled_selection);
1698 /*** GObject functions ***/
1701 ev_view_finalize (GObject *object)
1703 EvView *view = EV_VIEW (object);
1707 g_free (view->status);
1708 g_free (view->find_status);
1710 clear_selection (view);
1712 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
1716 ev_view_destroy (GtkObject *object)
1718 EvView *view = EV_VIEW (object);
1720 if (view->document) {
1721 g_object_unref (view->document);
1722 view->document = NULL;
1724 if (view->pixbuf_cache) {
1725 g_object_unref (view->pixbuf_cache);
1726 view->pixbuf_cache = NULL;
1728 ev_view_set_scroll_adjustments (view, NULL, NULL);
1730 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
1734 ev_view_set_property (GObject *object,
1736 const GValue *value,
1739 EvView *view = EV_VIEW (object);
1743 case PROP_CONTINUOUS:
1744 ev_view_set_continuous (view, g_value_get_boolean (value));
1746 case PROP_DUAL_PAGE:
1747 ev_view_set_dual_page (view, g_value_get_boolean (value));
1749 case PROP_FULLSCREEN:
1750 ev_view_set_fullscreen (view, g_value_get_boolean (value));
1752 case PROP_PRESENTATION:
1753 ev_view_set_presentation (view, g_value_get_boolean (value));
1755 case PROP_SIZING_MODE:
1756 ev_view_set_sizing_mode (view, g_value_get_enum (value));
1759 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
1762 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
1767 ev_view_get_property (GObject *object,
1772 EvView *view = EV_VIEW (object);
1777 g_value_set_string (value, view->status);
1779 case PROP_FIND_STATUS:
1780 g_value_set_string (value, view->status);
1782 case PROP_CONTINUOUS:
1783 g_value_set_boolean (value, view->continuous);
1785 case PROP_DUAL_PAGE:
1786 g_value_set_boolean (value, view->dual_page);
1788 case PROP_FULLSCREEN:
1789 g_value_set_boolean (value, view->fullscreen);
1791 case PROP_PRESENTATION:
1792 g_value_set_boolean (value, view->presentation);
1794 case PROP_SIZING_MODE:
1795 g_value_set_enum (value, view->sizing_mode);
1798 g_value_set_double (value, view->scale);
1801 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
1806 ev_view_class_init (EvViewClass *class)
1808 GObjectClass *object_class = G_OBJECT_CLASS (class);
1809 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
1810 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
1811 GtkBindingSet *binding_set;
1813 object_class->finalize = ev_view_finalize;
1814 object_class->set_property = ev_view_set_property;
1815 object_class->get_property = ev_view_get_property;
1817 widget_class->expose_event = ev_view_expose_event;
1818 widget_class->button_press_event = ev_view_button_press_event;
1819 widget_class->motion_notify_event = ev_view_motion_notify_event;
1820 widget_class->button_release_event = ev_view_button_release_event;
1821 widget_class->size_request = ev_view_size_request;
1822 widget_class->size_allocate = ev_view_size_allocate;
1823 widget_class->realize = ev_view_realize;
1824 widget_class->unrealize = ev_view_unrealize;
1825 widget_class->scroll_event = ev_view_scroll_event;
1826 widget_class->leave_notify_event = ev_view_leave_notify_event;
1827 gtk_object_class->destroy = ev_view_destroy;
1829 class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
1830 class->binding_activated = ev_view_binding_activated;
1832 widget_class->set_scroll_adjustments_signal =
1833 g_signal_new ("set-scroll-adjustments",
1834 G_OBJECT_CLASS_TYPE (object_class),
1835 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1836 G_STRUCT_OFFSET (EvViewClass, set_scroll_adjustments),
1838 ev_marshal_VOID__OBJECT_OBJECT,
1840 GTK_TYPE_ADJUSTMENT,
1841 GTK_TYPE_ADJUSTMENT);
1843 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
1844 G_TYPE_FROM_CLASS (object_class),
1845 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1846 G_STRUCT_OFFSET (EvViewClass, binding_activated),
1848 ev_marshal_VOID__ENUM_BOOLEAN,
1850 GTK_TYPE_SCROLL_TYPE,
1853 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
1854 G_TYPE_FROM_CLASS (object_class),
1855 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1856 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
1858 ev_marshal_VOID__VOID,
1859 G_TYPE_NONE, 0, G_TYPE_NONE);
1861 g_object_class_install_property (object_class,
1863 g_param_spec_string ("status",
1865 "The status message",
1869 g_object_class_install_property (object_class,
1871 g_param_spec_string ("find-status",
1872 "Find Status Message",
1873 "The find status message",
1877 g_object_class_install_property (object_class,
1879 g_param_spec_boolean ("continuous",
1881 "Continuous scrolling mode",
1883 G_PARAM_READWRITE));
1885 g_object_class_install_property (object_class,
1887 g_param_spec_boolean ("dual-page",
1889 "Two pages visible at once",
1891 G_PARAM_READWRITE));
1892 g_object_class_install_property (object_class,
1894 g_param_spec_boolean ("fullscreen",
1896 "Draw page in a fullscreen fashion",
1898 G_PARAM_READWRITE));
1899 g_object_class_install_property (object_class,
1901 g_param_spec_boolean ("presentation",
1903 "Draw page in presentation mode",
1905 G_PARAM_READWRITE));
1907 g_object_class_install_property (object_class,
1909 g_param_spec_enum ("sizing-mode",
1912 EV_TYPE_SIZING_MODE,
1913 EV_SIZING_FIT_WIDTH,
1914 G_PARAM_READWRITE));
1916 g_object_class_install_property (object_class,
1918 g_param_spec_double ("zoom",
1924 G_PARAM_READWRITE));
1926 binding_set = gtk_binding_set_by_class (class);
1928 add_scroll_binding_keypad (binding_set, GDK_Left, GTK_SCROLL_STEP_BACKWARD, TRUE);
1929 add_scroll_binding_keypad (binding_set, GDK_Right, GTK_SCROLL_STEP_FORWARD, TRUE);
1930 add_scroll_binding_keypad (binding_set, GDK_Up, GTK_SCROLL_STEP_BACKWARD, FALSE);
1931 add_scroll_binding_keypad (binding_set, GDK_Down, GTK_SCROLL_STEP_FORWARD, FALSE);
1935 ev_view_init (EvView *view)
1937 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
1941 view->current_page = 0;
1942 view->pressed_button = -1;
1943 view->cursor = EV_VIEW_CURSOR_NORMAL;
1944 view->drag_info.in_drag = FALSE;
1945 view->selection_info.in_selection = FALSE;
1947 view->selection_mode = EV_VIEW_SELECTION_TEXT;
1948 view->continuous = TRUE;
1949 view->dual_page = FALSE;
1950 view->presentation = FALSE;
1951 view->fullscreen = FALSE;
1952 view->sizing_mode = EV_SIZING_FIT_WIDTH;
1953 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
1959 find_changed_cb (EvDocument *document, int page, EvView *view)
1961 jump_to_find_page (view);
1962 jump_to_find_result (view);
1963 update_find_status_message (view);
1965 if (view->current_page == page)
1966 gtk_widget_queue_draw (GTK_WIDGET (view));
1970 job_finished_cb (EvPixbufCache *pixbuf_cache,
1973 gtk_widget_queue_draw (GTK_WIDGET (view));
1977 page_changed_cb (EvPageCache *page_cache,
1981 if (view->current_page != new_page) {
1983 view->current_page = new_page;
1984 view->pending_scroll = SCROLL_TO_CURRENT_PAGE;
1985 gtk_widget_queue_resize (GTK_WIDGET (view));
1987 if (EV_IS_DOCUMENT_FIND (view->document)) {
1988 view->find_page = new_page;
1989 view->find_result = 0;
1990 update_find_status_message (view);
1995 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
2000 if (! GTK_WIDGET_REALIZED (view))
2003 if (view->hadjustment) {
2004 dx = view->scroll_x - (int) view->hadjustment->value;
2005 view->scroll_x = (int) view->hadjustment->value;
2010 if (view->vadjustment) {
2011 dy = view->scroll_y - (int) view->vadjustment->value;
2012 view->scroll_y = (int) view->vadjustment->value;
2018 if (view->pending_resize)
2019 gtk_widget_queue_draw (GTK_WIDGET (view));
2021 gdk_window_scroll (GTK_WIDGET (view)->window, dx, dy);
2025 view_update_range_and_current_page (view);
2033 view = g_object_new (EV_TYPE_VIEW, NULL);
2039 setup_caches (EvView *view)
2041 view->page_cache = ev_page_cache_get (view->document);
2042 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
2043 view->pixbuf_cache = ev_pixbuf_cache_new (view->document);
2044 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
2048 clear_caches (EvView *view)
2050 if (view->pixbuf_cache) {
2051 g_object_unref (view->pixbuf_cache);
2052 view->pixbuf_cache = NULL;
2055 if (view->page_cache) {
2056 g_object_unref (view->page_cache);
2057 view->page_cache = NULL;
2062 ev_view_set_document (EvView *view,
2063 EvDocument *document)
2065 g_return_if_fail (EV_IS_VIEW (view));
2067 if (document != view->document) {
2068 clear_caches (view);
2070 if (view->document) {
2071 g_signal_handlers_disconnect_by_func (view->document,
2074 g_object_unref (view->document);
2075 view->page_cache = NULL;
2079 view->document = document;
2080 view->find_page = 0;
2081 view->find_result = 0;
2083 if (view->document) {
2084 g_object_ref (view->document);
2085 if (EV_IS_DOCUMENT_FIND (view->document)) {
2086 g_signal_connect (view->document,
2088 G_CALLBACK (find_changed_cb),
2092 setup_caches (view);
2095 gtk_widget_queue_resize (GTK_WIDGET (view));
2099 /*** Zoom and sizing mode ***/
2101 #define EPSILON 0.0000001
2103 ev_view_set_zoom (EvView *view,
2110 scale = view->scale * factor;
2114 scale = CLAMP (scale, MIN_SCALE, MAX_SCALE);
2116 if (ABS (view->scale - scale) < EPSILON)
2119 view->scale = scale;
2120 view->pending_resize = TRUE;
2122 gtk_widget_queue_resize (GTK_WIDGET (view));
2124 g_object_notify (G_OBJECT (view), "zoom");
2128 ev_view_get_zoom (EvView *view)
2134 ev_view_get_continuous (EvView *view)
2136 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2138 return view->continuous;
2142 ev_view_set_continuous (EvView *view,
2143 gboolean continuous)
2145 g_return_if_fail (EV_IS_VIEW (view));
2147 continuous = continuous != FALSE;
2149 if (view->continuous != continuous) {
2150 view->continuous = continuous;
2151 view->pending_scroll = SCROLL_TO_CURRENT_PAGE;
2152 gtk_widget_queue_resize (GTK_WIDGET (view));
2155 g_object_notify (G_OBJECT (view), "continuous");
2159 ev_view_get_dual_page (EvView *view)
2161 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2163 return view->dual_page;
2167 ev_view_set_dual_page (EvView *view,
2170 g_return_if_fail (EV_IS_VIEW (view));
2172 dual_page = dual_page != FALSE;
2174 if (view->dual_page == dual_page)
2177 view->pending_scroll = SCROLL_TO_CURRENT_PAGE;
2178 view->dual_page = dual_page;
2179 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
2180 * preload_cache_size to be 2 if dual_page is set.
2182 gtk_widget_queue_resize (GTK_WIDGET (view));
2184 g_object_notify (G_OBJECT (view), "dual-page");
2188 ev_view_set_fullscreen (EvView *view,
2189 gboolean fullscreen)
2191 g_return_if_fail (EV_IS_VIEW (view));
2193 fullscreen = fullscreen != FALSE;
2195 if (view->fullscreen == fullscreen)
2198 view->fullscreen = fullscreen;
2199 gtk_widget_queue_resize (GTK_WIDGET (view));
2201 g_object_notify (G_OBJECT (view), "fullscreen");
2205 ev_view_get_fullscreen (EvView *view)
2207 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2209 return view->fullscreen;
2213 ev_view_set_presentation (EvView *view,
2214 gboolean presentation)
2216 g_return_if_fail (EV_IS_VIEW (view));
2218 presentation = presentation != FALSE;
2220 if (view->presentation == presentation)
2223 view->presentation = presentation;
2224 view->pending_scroll = SCROLL_TO_CURRENT_PAGE;
2225 gtk_widget_queue_resize (GTK_WIDGET (view));
2227 if (GTK_WIDGET_REALIZED (view)) {
2228 if (view->presentation)
2229 gdk_window_set_background (GTK_WIDGET(view)->window,
2230 >K_WIDGET (view)->style->black);
2232 gdk_window_set_background (GTK_WIDGET(view)->window,
2233 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
2237 g_object_notify (G_OBJECT (view), "presentation");
2241 ev_view_get_presentation (EvView *view)
2243 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2245 return view->presentation;
2249 ev_view_set_sizing_mode (EvView *view,
2250 EvSizingMode sizing_mode)
2252 g_return_if_fail (EV_IS_VIEW (view));
2254 if (view->sizing_mode == sizing_mode)
2257 view->sizing_mode = sizing_mode;
2258 gtk_widget_queue_resize (GTK_WIDGET (view));
2260 g_object_notify (G_OBJECT (view), "sizing-mode");
2264 ev_view_get_sizing_mode (EvView *view)
2266 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
2268 return view->sizing_mode;
2272 ev_view_can_zoom_in (EvView *view)
2274 return view->scale * ZOOM_IN_FACTOR <= MAX_SCALE;
2278 ev_view_can_zoom_out (EvView *view)
2280 return view->scale * ZOOM_OUT_FACTOR >= MIN_SCALE;
2284 ev_view_zoom_in (EvView *view)
2286 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
2288 view->pending_scroll = SCROLL_TO_CENTER;
2289 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
2293 ev_view_zoom_out (EvView *view)
2295 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
2297 view->pending_scroll = SCROLL_TO_CENTER;
2298 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
2302 ev_view_set_orientation (EvView *view,
2303 EvOrientation orientation)
2305 view->orientation = orientation;
2307 gtk_widget_queue_resize (GTK_WIDGET (view));
2311 ev_view_rotate_right (EvView *view)
2313 EvOrientation orientation;
2315 if (view->orientation == EV_ORIENTATION_PORTRAIT) {
2316 orientation = EV_ORIENTATION_LANDSCAPE;
2317 } else if (view->orientation == EV_ORIENTATION_LANDSCAPE) {
2318 orientation = EV_ORIENTATION_UPSIDEDOWN;
2319 } else if (view->orientation == EV_ORIENTATION_UPSIDEDOWN) {
2320 orientation = EV_ORIENTATION_SEASCAPE;
2322 orientation = EV_ORIENTATION_PORTRAIT;
2325 ev_view_set_orientation (view, orientation);
2329 ev_view_rotate_left (EvView *view)
2331 EvOrientation orientation;
2333 if (view->orientation == EV_ORIENTATION_PORTRAIT) {
2334 orientation = EV_ORIENTATION_SEASCAPE;
2335 } else if (view->orientation == EV_ORIENTATION_SEASCAPE) {
2336 orientation = EV_ORIENTATION_UPSIDEDOWN;
2337 } else if (view->orientation == EV_ORIENTATION_UPSIDEDOWN) {
2338 orientation = EV_ORIENTATION_LANDSCAPE;
2340 orientation = EV_ORIENTATION_PORTRAIT;
2343 ev_view_set_orientation (view, orientation);
2347 zoom_for_size_fit_width (int doc_width,
2355 scale = (double)target_width / doc_width;
2357 if (doc_height * scale > target_height)
2358 scale = (double) (target_width - vsb_width) / doc_width;
2364 zoom_for_size_best_fit (int doc_width,
2374 w_scale = (double)target_width / doc_width;
2375 h_scale = (double)target_height / doc_height;
2377 if (doc_height * w_scale > target_height)
2378 w_scale = (double) (target_width - vsb_width) / doc_width;
2379 if (doc_width * h_scale > target_width)
2380 h_scale = (double) (target_height - hsb_width) / doc_height;
2382 return MIN (w_scale, h_scale);
2387 ev_view_zoom_for_size_presentation (EvView *view,
2391 int doc_width, doc_height;
2394 ev_page_cache_get_size (view->page_cache,
2400 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
2401 ev_view_set_zoom (view, scale, FALSE);
2405 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
2411 int doc_width, doc_height;
2415 ev_page_cache_get_max_width (view->page_cache,
2419 ev_page_cache_get_max_height (view->page_cache,
2423 compute_border (view, doc_width, doc_height, &border);
2425 doc_width = doc_width * 2;
2426 width -= (2 * (border.left + border.right) + 3 * view->spacing);
2427 height -= (border.top + border.bottom + 2 * view->spacing - 1);
2429 /* FIXME: We really need to calculate the overall height here, not the
2430 * page height. We assume there's always a vertical scrollbar for
2431 * now. We need to fix this. */
2432 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
2433 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
2434 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
2435 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
2437 g_assert_not_reached ();
2439 ev_view_set_zoom (view, scale, FALSE);
2443 ev_view_zoom_for_size_continuous (EvView *view,
2449 int doc_width, doc_height;
2453 ev_page_cache_get_max_width (view->page_cache,
2457 ev_page_cache_get_max_height (view->page_cache,
2461 compute_border (view, doc_width, doc_height, &border);
2463 width -= (border.left + border.right + 2 * view->spacing);
2464 height -= (border.top + border.bottom + 2 * view->spacing - 1);
2466 /* FIXME: We really need to calculate the overall height here, not the
2467 * page height. We assume there's always a vertical scrollbar for
2468 * now. We need to fix this. */
2469 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
2470 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
2471 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
2472 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
2474 g_assert_not_reached ();
2476 ev_view_set_zoom (view, scale, FALSE);
2480 ev_view_zoom_for_size_dual_page (EvView *view,
2487 gint doc_width, doc_height;
2491 other_page = view->current_page ^ 1;
2493 /* Find the largest of the two. */
2494 ev_page_cache_get_size (view->page_cache,
2498 &doc_width, &doc_height);
2500 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
2501 gint width_2, height_2;
2502 ev_page_cache_get_size (view->page_cache,
2506 &width_2, &height_2);
2507 if (width_2 > doc_width)
2508 doc_width = width_2;
2509 if (height_2 > doc_height)
2510 doc_height = height_2;
2512 compute_border (view, doc_width, doc_height, &border);
2514 doc_width = doc_width * 2;
2515 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
2516 height -= (border.top + border.bottom + 2 * view->spacing);
2518 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
2519 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
2520 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
2521 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
2523 g_assert_not_reached ();
2525 ev_view_set_zoom (view, scale, FALSE);
2529 ev_view_zoom_for_size_single_page (EvView *view,
2535 int doc_width, doc_height;
2539 ev_page_cache_get_size (view->page_cache,
2545 /* Get an approximate border */
2546 compute_border (view, width, height, &border);
2548 width -= (border.left + border.right + 2 * view->spacing);
2549 height -= (border.top + border.bottom + 2 * view->spacing);
2551 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
2552 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
2553 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
2554 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
2556 g_assert_not_reached ();
2558 ev_view_set_zoom (view, scale, FALSE);
2562 ev_view_set_zoom_for_size (EvView *view,
2568 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2569 view->sizing_mode == EV_SIZING_BEST_FIT);
2570 g_return_if_fail (width >= 0);
2571 g_return_if_fail (height >= 0);
2573 if (view->document == NULL)
2576 if (view->presentation)
2577 ev_view_zoom_for_size_presentation (view, width, height);
2578 else if (view->continuous && view->dual_page)
2579 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
2580 else if (view->continuous)
2581 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
2582 else if (view->dual_page)
2583 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
2585 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
2588 /*** Status text messages ***/
2591 ev_view_get_status (EvView *view)
2593 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
2595 return view->status;
2599 ev_view_set_status (EvView *view, const char *message)
2601 g_return_if_fail (EV_IS_VIEW (view));
2603 if (message != view->status) {
2604 g_free (view->status);
2605 view->status = g_strdup (message);
2606 g_object_notify (G_OBJECT (view), "status");
2611 update_find_status_message (EvView *view)
2615 if (view->current_page == view->find_page) {
2618 results = ev_document_find_get_n_results
2619 (EV_DOCUMENT_FIND (view->document),
2620 view->current_page);
2621 /* TRANS: Sometimes this could be better translated as
2622 "%d hit(s) on this page". Therefore this string
2623 contains plural cases. */
2624 message = g_strdup_printf (ngettext ("%d found on this page",
2625 "%d found on this page",
2631 percent = ev_document_find_get_progress
2632 (EV_DOCUMENT_FIND (view->document));
2633 if (percent >= (1.0 - 1e-10)) {
2634 message = g_strdup (_("Not found"));
2636 message = g_strdup_printf (_("%3d%% remaining to search"),
2637 (int) ((1.0 - percent) * 100));
2641 ev_view_set_find_status (view, message);
2646 ev_view_get_find_status (EvView *view)
2648 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
2650 return view->find_status;
2654 ev_view_set_find_status (EvView *view, const char *message)
2656 g_return_if_fail (EV_IS_VIEW (view));
2658 g_free (view->find_status);
2659 view->find_status = g_strdup (message);
2660 g_object_notify (G_OBJECT (view), "find-status");
2666 jump_to_find_result (EvView *view)
2668 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
2670 GdkRectangle view_rect;
2672 int page = view->find_page;
2674 n_results = ev_document_find_get_n_results (find, page);
2676 if (n_results > view->find_result) {
2677 ev_document_find_get_result
2678 (find, page, view->find_result, &rect);
2680 doc_rect_to_view_rect (view, page, &rect, &view_rect);
2681 ensure_rectangle_is_visible (view, &view_rect);
2686 jump_to_find_page (EvView *view)
2690 n_pages = ev_page_cache_get_n_pages (view->page_cache);
2692 for (i = 0; i < n_pages; i++) {
2696 page = i + view->find_page;
2697 if (page >= n_pages) {
2698 page = page - n_pages;
2701 has_results = ev_document_find_page_has_results
2702 (EV_DOCUMENT_FIND (view->document), page);
2703 if (has_results == -1) {
2704 view->find_page = page;
2706 } else if (has_results == 1) {
2707 ev_page_cache_set_current_page (view->page_cache, page);
2708 jump_to_find_result (view);
2715 ev_view_can_find_next (EvView *view)
2719 if (EV_IS_DOCUMENT_FIND (view->document)) {
2720 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
2722 n_results = ev_document_find_get_n_results (find, view->current_page);
2725 return n_results > 0;
2729 ev_view_find_next (EvView *view)
2731 EvPageCache *page_cache;
2732 int n_results, n_pages;
2733 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
2735 page_cache = ev_page_cache_get (view->document);
2736 n_results = ev_document_find_get_n_results (find, view->current_page);
2738 n_pages = ev_page_cache_get_n_pages (page_cache);
2740 view->find_result++;
2742 if (view->find_result >= n_results) {
2743 view->find_result = 0;
2746 if (view->find_page >= n_pages) {
2747 view->find_page = 0;
2750 jump_to_find_page (view);
2752 jump_to_find_result (view);
2753 gtk_widget_queue_draw (GTK_WIDGET (view));
2758 ev_view_find_previous (EvView *view)
2760 int n_results, n_pages;
2761 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
2762 EvPageCache *page_cache;
2764 page_cache = ev_page_cache_get (view->document);
2766 n_results = ev_document_find_get_n_results (find, view->current_page);
2768 n_pages = ev_page_cache_get_n_pages (page_cache);
2770 view->find_result--;
2772 if (view->find_result < 0) {
2773 view->find_result = 0;
2776 if (view->find_page < 0) {
2777 view->find_page = n_pages - 1;
2780 jump_to_find_page (view);
2782 jump_to_find_result (view);
2783 gtk_widget_queue_draw (GTK_WIDGET (view));
2787 /*** Selections ***/
2789 /* compute_new_selection_rect/text calculates the area currently selected by
2790 * view_rect. each handles a different mode;
2793 compute_new_selection_rect (EvView *view,
2797 GdkRectangle view_rect;
2801 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
2803 view_rect.x = MIN (start->x, stop->x);
2804 view_rect.y = MIN (start->y, stop->y);
2805 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
2806 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
2808 n_pages = ev_page_cache_get_n_pages (view->page_cache);
2810 for (i = 0; i < n_pages; i++) {
2811 GdkRectangle page_area;
2814 if (get_page_extents (view, i, &page_area, &border)) {
2815 GdkRectangle overlap;
2817 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
2818 EvViewSelection *selection;
2820 selection = g_new0 (EvViewSelection, 1);
2821 selection->page = i;
2822 view_rect_to_doc_rect (view, &overlap, &page_area,
2823 &(selection->rect));
2825 list = g_list_append (list, selection);
2834 gdk_rectangle_point_in (GdkRectangle *rectangle,
2837 return rectangle->x <= point->x &&
2838 rectangle->y <= point->y &&
2839 point->x < rectangle->x + rectangle->width &&
2840 point->y < rectangle->y + rectangle->height;
2844 compute_new_selection_text (EvView *view,
2848 int n_pages, i, first, last;
2850 EvViewSelection *selection;
2853 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
2855 n_pages = ev_page_cache_get_n_pages (view->page_cache);
2857 /* First figure out the range of pages the selection
2861 for (i = 0; i < n_pages; i++) {
2862 GdkRectangle page_area;
2865 get_page_extents (view, i, &page_area, &border);
2866 if (gdk_rectangle_point_in (&page_area, start) ||
2867 gdk_rectangle_point_in (&page_area, stop)) {
2868 if (first == n_pages)
2877 /* Now create a list of EvViewSelection's for the affected
2878 * pages. This could be an empty list, a list of just one
2879 * page or a number of pages.*/
2880 for (i = first; i < last + 1; i++) {
2881 GdkRectangle page_area;
2885 ev_page_cache_get_size (view->page_cache, i,
2887 1.0, &width, &height);
2889 selection = g_new0 (EvViewSelection, 1);
2890 selection->page = i;
2891 selection->rect.x1 = selection->rect.y1 = 0;
2892 selection->rect.x2 = width;
2893 selection->rect.y2 = height;
2895 get_page_extents (view, i, &page_area, &border);
2897 if (gdk_rectangle_point_in (&page_area, start))
2903 view_point_to_doc_point (view, point, &page_area,
2904 &selection->rect.x1,
2905 &selection->rect.y1);
2907 /* If the selection is contained within just one page,
2908 * make sure we don't write 'start' into both points
2909 * in selection->rect. */
2914 view_point_to_doc_point (view, point, &page_area,
2915 &selection->rect.x2,
2916 &selection->rect.y2);
2918 list = g_list_append (list, selection);
2924 /* This function takes the newly calculated list, and figures out which regions
2925 * have changed. It then queues a redraw approporiately.
2928 merge_selection_region (EvView *view,
2932 /* FIXME: actually write... */
2933 clear_selection (view);
2934 gtk_widget_queue_draw (GTK_WIDGET (view));
2936 view->selection_info.selections = list;
2937 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, list);
2941 compute_selections (EvView *view,
2947 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
2948 list = compute_new_selection_rect (view, start, stop);
2950 list = compute_new_selection_text (view, start, stop);
2951 merge_selection_region (view, list);
2954 /* Free's the selection. It's up to the caller to queue redraws if needed.
2957 selection_free (EvViewSelection *selection)
2963 clear_selection (EvView *view)
2965 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
2966 view->selection_info.selections = NULL;
2967 view->selection_info.in_selection = FALSE;
2972 ev_view_select_all (EvView *view)
2976 clear_selection (view);
2978 n_pages = ev_page_cache_get_n_pages (view->page_cache);
2979 for (i = 0; i < n_pages; i++) {
2981 EvViewSelection *selection;
2983 ev_page_cache_get_size (view->page_cache,
2985 i, 1.0, &width, &height);
2987 selection = g_new0 (EvViewSelection, 1);
2988 selection->page = i;
2989 selection->rect.x1 = selection->rect.y1 = 0;
2990 selection->rect.x2 = width;
2991 selection->rect.y2 = height;
2993 view->selection_info.selections = g_list_append (view->selection_info.selections, selection);
2996 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, view->selection_info.selections);
2997 gtk_widget_queue_draw (GTK_WIDGET (view));
3001 get_selected_text (EvView *ev_view)
3006 text = g_string_new (NULL);
3008 ev_document_doc_mutex_lock ();
3010 for (l = ev_view->selection_info.selections; l != NULL; l = l->next) {
3011 EvViewSelection *selection = (EvViewSelection *)l->data;
3014 tmp = ev_document_get_text (ev_view->document,
3017 g_string_append (text, tmp);
3021 ev_document_doc_mutex_unlock ();
3023 return g_string_free (text, FALSE);
3027 ev_view_copy (EvView *ev_view)
3029 GtkClipboard *clipboard;
3032 if (!ev_document_can_get_text (ev_view->document)) {
3036 text = get_selected_text (ev_view);
3037 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
3038 GDK_SELECTION_CLIPBOARD);
3039 gtk_clipboard_set_text (clipboard, text, -1);
3044 ev_view_primary_get_cb (GtkClipboard *clipboard,
3045 GtkSelectionData *selection_data,
3049 EvView *ev_view = EV_VIEW (data);
3052 if (!ev_document_can_get_text (ev_view->document)) {
3056 text = get_selected_text (ev_view);
3057 gtk_selection_data_set_text (selection_data, text, -1);
3062 ev_view_primary_clear_cb (GtkClipboard *clipboard,
3065 EvView *view = EV_VIEW (data);
3067 clear_selection (view);
3071 ev_view_update_primary_selection (EvView *ev_view)
3073 GtkClipboard *clipboard;
3075 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
3076 GDK_SELECTION_PRIMARY);
3078 if (ev_view->selection_info.selections) {
3079 if (!gtk_clipboard_set_with_owner (clipboard,
3081 G_N_ELEMENTS (targets),
3082 ev_view_primary_get_cb,
3083 ev_view_primary_clear_cb,
3084 G_OBJECT (ev_view)))
3085 ev_view_primary_clear_cb (clipboard, ev_view);
3087 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
3088 gtk_clipboard_clear (clipboard);
3092 /*** Cursor operations ***/
3095 ev_view_create_invisible_cursor(void)
3098 GdkColor black = { 0, 0, 0, 0 };
3099 static char bits[] = { 0x00 };
3101 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
3103 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
3107 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
3109 GdkCursor *cursor = NULL;
3110 GdkDisplay *display;
3113 if (view->cursor == new_cursor) {
3117 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
3118 display = gtk_widget_get_display (widget);
3119 view->cursor = new_cursor;
3121 switch (new_cursor) {
3122 case EV_VIEW_CURSOR_NORMAL:
3123 gdk_window_set_cursor (widget->window, NULL);
3125 case EV_VIEW_CURSOR_IBEAM:
3126 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
3128 case EV_VIEW_CURSOR_LINK:
3129 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
3131 case EV_VIEW_CURSOR_WAIT:
3132 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
3134 case EV_VIEW_CURSOR_HIDDEN:
3135 cursor = ev_view_create_invisible_cursor ();
3137 case EV_VIEW_CURSOR_DRAG:
3138 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
3143 gdk_window_set_cursor (widget->window, cursor);
3144 gdk_cursor_unref (cursor);
3150 ev_view_hide_cursor (EvView *view)
3152 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
3156 ev_view_show_cursor (EvView *view)
3158 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
3161 /*** Enum description for usage in signal ***/
3164 ev_sizing_mode_get_type (void)
3166 static GType etype = 0;
3168 static const GEnumValue values[] = {
3169 { EV_SIZING_FIT_WIDTH, "EV_SIZING_FIT_WIDTH", "fit-width" },
3170 { EV_SIZING_BEST_FIT, "EV_SIZING_BEST_FIT", "best-fit" },
3171 { EV_SIZING_FREE, "EV_SIZING_FREE", "free" },
3174 etype = g_enum_register_static ("EvSizingMode", values);