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;
157 gboolean presentation;
158 EvSizingMode sizing_mode;
160 PendingScroll pending_scroll;
161 gboolean pending_resize;
164 struct _EvViewClass {
165 GtkWidgetClass parent_class;
167 void (*set_scroll_adjustments) (EvView *view,
168 GtkAdjustment *hadjustment,
169 GtkAdjustment *vadjustment);
170 void (*binding_activated) (EvView *view,
171 GtkScrollType scroll,
172 gboolean horizontal);
173 void (*zoom_invalid) (EvView *view);
177 static void scroll_to_current_page (EvView *view,
178 GtkOrientation orientation);
179 static void ev_view_set_scroll_adjustments (EvView *view,
180 GtkAdjustment *hadjustment,
181 GtkAdjustment *vadjustment);
182 static void view_update_range_and_current_page (EvView *view);
183 static void set_scroll_adjustment (EvView *view,
184 GtkOrientation orientation,
185 GtkAdjustment *adjustment);
186 static void ev_view_set_scroll_adjustments (EvView *view,
187 GtkAdjustment *hadjustment,
188 GtkAdjustment *vadjustment);
189 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
191 GtkScrollType scroll,
192 gboolean horizontal);
193 static void ev_view_binding_activated (EvView *view,
194 GtkScrollType scroll,
195 gboolean horizontal);
196 static void ensure_rectangle_is_visible (EvView *view,
199 /*** Geometry computations ***/
200 static void compute_border (EvView *view,
204 static void get_page_y_offset (EvView *view,
208 static gboolean get_page_extents (EvView *view,
210 GdkRectangle *page_area,
212 static void view_rect_to_doc_rect (EvView *view,
213 GdkRectangle *view_rect,
214 GdkRectangle *page_area,
215 EvRectangle *doc_rect);
216 static void doc_rect_to_view_rect (EvView *view,
218 EvRectangle *doc_rect,
219 GdkRectangle *view_rect);
220 static void find_page_at_location (EvView *view,
228 static EvLink* get_link_at_location (EvView *view,
231 static void go_to_link (EvView *view,
233 static char* status_message_from_link (EvView *view,
236 /*** GtkWidget implementation ***/
237 static void ev_view_size_request_continuous_dual_page (EvView *view,
238 GtkRequisition *requisition);
239 static void ev_view_size_request_continuous (EvView *view,
240 GtkRequisition *requisition);
241 static void ev_view_size_request_dual_page (EvView *view,
242 GtkRequisition *requisition);
243 static void ev_view_size_request_single_page (EvView *view,
244 GtkRequisition *requisition);
245 static void ev_view_size_request (GtkWidget *widget,
246 GtkRequisition *requisition);
247 static void ev_view_size_allocate (GtkWidget *widget,
248 GtkAllocation *allocation);
249 static void ev_view_realize (GtkWidget *widget);
250 static void ev_view_unrealize (GtkWidget *widget);
251 static gboolean ev_view_scroll_event (GtkWidget *widget,
252 GdkEventScroll *event);
253 static gboolean ev_view_expose_event (GtkWidget *widget,
254 GdkEventExpose *event);
255 static gboolean ev_view_button_press_event (GtkWidget *widget,
256 GdkEventButton *event);
257 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
258 GdkEventMotion *event);
259 static gboolean ev_view_button_release_event (GtkWidget *widget,
260 GdkEventButton *event);
261 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
262 GdkEventCrossing *event);
265 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
266 static void draw_rubberband (GtkWidget *widget,
268 const GdkRectangle *rect,
270 static void highlight_find_results (EvView *view,
272 static void draw_one_page (EvView *view,
274 GdkRectangle *page_area,
276 GdkRectangle *expose_area);
279 static void find_changed_cb (EvDocument *document,
282 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
284 static void page_changed_cb (EvPageCache *page_cache,
287 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
291 static void ev_view_finalize (GObject *object);
292 static void ev_view_destroy (GtkObject *object);
293 static void ev_view_set_property (GObject *object,
297 static void ev_view_get_property (GObject *object,
301 static void ev_view_class_init (EvViewClass *class);
302 static void ev_view_init (EvView *view);
304 /*** Zoom and sizing ***/
305 static double zoom_for_size_fit_width (int doc_width,
310 static double zoom_for_size_best_fit (int doc_width,
316 static void ev_view_zoom_for_size_presentation (EvView *view,
319 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
324 static void ev_view_zoom_for_size_continuous (EvView *view,
329 static void ev_view_zoom_for_size_dual_page (EvView *view,
334 static void ev_view_zoom_for_size_single_page (EvView *view,
340 static GdkCursor* ev_view_create_invisible_cursor (void);
341 static void ev_view_set_cursor (EvView *view,
342 EvViewCursor new_cursor);
344 /*** Status messages ***/
345 static void ev_view_set_status (EvView *view,
346 const char *message);
347 static void update_find_status_message (EvView *view);
348 static void ev_view_set_find_status (EvView *view,
349 const char *message);
351 static void jump_to_find_result (EvView *view);
352 static void jump_to_find_page (EvView *view);
355 static void compute_selections (EvView *view,
358 static void clear_selection (EvView *view);
359 static char* get_selected_text (EvView *ev_view);
360 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
361 GtkSelectionData *selection_data,
364 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
366 static void ev_view_update_primary_selection (EvView *ev_view);
369 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_WIDGET)
372 scroll_to_current_page (EvView *view, GtkOrientation orientation)
374 GdkRectangle page_area;
377 if (view->document == NULL) {
381 get_page_extents (view, view->current_page, &page_area, &border);
383 if (orientation == GTK_ORIENTATION_VERTICAL) {
384 if (view->continuous) {
385 gtk_adjustment_clamp_page (view->vadjustment,
386 page_area.y - view->spacing,
387 page_area.y + view->vadjustment->page_size);
389 gtk_adjustment_set_value (view->vadjustment,
390 view->vadjustment->lower);
393 if (view->dual_page) {
394 gtk_adjustment_clamp_page (view->hadjustment,
396 page_area.x + view->hadjustment->page_size);
398 gtk_adjustment_set_value (view->hadjustment,
399 CLAMP (view->hadjustment->value,
400 view->hadjustment->lower,
401 view->hadjustment->upper -
402 view->hadjustment->page_size));
408 view_set_adjustment_values (EvView *view,
409 GtkOrientation orientation)
411 GtkWidget *widget = GTK_WIDGET (view);
412 GtkAdjustment *adjustment;
419 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
420 requisition = widget->requisition.width;
421 allocation = widget->allocation.width;
422 adjustment = view->hadjustment;
424 requisition = widget->requisition.height;
425 allocation = widget->allocation.height;
426 adjustment = view->vadjustment;
433 switch (view->pending_scroll) {
434 case SCROLL_TO_KEEP_POSITION:
435 factor = (adjustment->value) / adjustment->upper;
437 case SCROLL_TO_CURRENT_PAGE:
439 case SCROLL_TO_CENTER:
440 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
444 adjustment->page_size = allocation;
445 adjustment->step_increment = allocation * 0.1;
446 adjustment->page_increment = allocation * 0.9;
447 adjustment->lower = 0;
448 adjustment->upper = MAX (allocation, requisition);
451 * We add 0.5 to the values before to average out our rounding errors.
453 switch (view->pending_scroll) {
454 case SCROLL_TO_KEEP_POSITION:
455 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
456 gtk_adjustment_set_value (adjustment, (int)new_value);
458 case SCROLL_TO_CURRENT_PAGE:
459 scroll_to_current_page (view, orientation);
461 case SCROLL_TO_CENTER:
462 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
463 0, adjustment->upper - adjustment->page_size);
464 gtk_adjustment_set_value (adjustment, (int)new_value);
468 gtk_adjustment_changed (adjustment);
472 view_update_range_and_current_page (EvView *view)
474 /* Presentation trumps all other modes */
475 if (view->presentation) {
476 view->start_page = view->current_page;
477 view->end_page = view->current_page;
478 } else if (view->continuous) {
479 GdkRectangle current_area, unused, page_area;
482 gboolean found = FALSE;
485 if (!(view->vadjustment && view->hadjustment))
488 current_area.x = view->hadjustment->value;
489 current_area.width = view->hadjustment->upper;
490 current_area.y = view->vadjustment->value;
491 current_area.height = view->vadjustment->page_size;
493 for (i = 0; i < ev_page_cache_get_n_pages (view->page_cache); i++) {
495 get_page_extents (view, i, &page_area, &border);
497 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
499 view->start_page = i;
509 current_page = ev_page_cache_get_current_page (view->page_cache);
511 if (current_page < view->start_page || current_page > view->end_page) {
512 view->current_page = view->start_page;
513 ev_page_cache_set_current_page (view->page_cache, view->start_page);
516 if (view->dual_page) {
517 if (view->current_page % 2 == 0) {
518 view->start_page = view->current_page;
519 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache))
520 view->end_page = view->start_page + 1;
522 view->start_page = view->current_page - 1;
523 view->end_page = view->current_page;
526 view->start_page = view->current_page;
527 view->end_page = view->current_page;
531 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
535 view->selection_info.selections);
539 set_scroll_adjustment (EvView *view,
540 GtkOrientation orientation,
541 GtkAdjustment *adjustment)
543 GtkAdjustment **to_set;
545 if (orientation == GTK_ORIENTATION_HORIZONTAL)
546 to_set = &view->hadjustment;
548 to_set = &view->vadjustment;
550 if (*to_set != adjustment) {
552 g_signal_handlers_disconnect_by_func (*to_set,
553 (gpointer) on_adjustment_value_changed,
555 g_object_unref (*to_set);
558 *to_set = adjustment;
559 view_set_adjustment_values (view, orientation);
562 g_object_ref (*to_set);
563 g_signal_connect (*to_set, "value_changed",
564 G_CALLBACK (on_adjustment_value_changed), view);
570 ev_view_set_scroll_adjustments (EvView *view,
571 GtkAdjustment *hadjustment,
572 GtkAdjustment *vadjustment)
574 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
575 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
577 on_adjustment_value_changed (NULL, view);
581 add_scroll_binding_keypad (GtkBindingSet *binding_set,
583 GtkScrollType scroll,
586 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
588 gtk_binding_entry_add_signal (binding_set, keyval, 0,
589 "binding_activated", 2,
590 GTK_TYPE_SCROLL_TYPE, scroll,
591 G_TYPE_BOOLEAN, horizontal);
592 gtk_binding_entry_add_signal (binding_set, keypad_keyval, 0,
593 "binding_activated", 2,
594 GTK_TYPE_SCROLL_TYPE, scroll,
595 G_TYPE_BOOLEAN, horizontal);
599 ev_view_scroll (EvView *view,
602 GtkAdjustment *adjustment;
603 double value, increment;
604 gboolean first_page = FALSE;
605 gboolean last_page = FALSE;
607 /* Assign values for increment and vertical adjustment */
608 adjustment = view->vadjustment;
609 increment = adjustment->page_size * 0.75;
610 value = adjustment->value;
612 /* Assign boolean for first and last page */
613 if (view->current_page == 0)
615 if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1)
619 case EV_SCROLL_PAGE_BACKWARD:
620 /* Do not jump backwards if at the first page */
621 if (value == (adjustment->lower) && first_page) {
623 /* At the top of a page, assign the upper bound limit of previous page */
624 } else if (value == (adjustment->lower)) {
625 value = adjustment->upper - adjustment->page_size;
626 ev_page_cache_set_current_page (view->page_cache, view->current_page - 1);
627 /* Jump to the top */
629 value = MAX (value - increment, adjustment->lower);
632 case EV_SCROLL_PAGE_FORWARD:
633 /* Do not jump forward if at the last page */
634 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
636 /* At the bottom of a page, assign the lower bound limit of next page */
637 } else if (value == (adjustment->upper - adjustment->page_size)) {
639 ev_page_cache_set_current_page (view->page_cache, view->current_page + 1);
640 /* Jump to the bottom */
642 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
649 gtk_adjustment_set_value (adjustment, value);
653 ev_view_binding_activated (EvView *view,
654 GtkScrollType scroll,
657 GtkAdjustment *adjustment;
660 if (view->presentation) {
662 case GTK_SCROLL_STEP_BACKWARD:
663 ev_page_cache_prev_page (view->page_cache);
665 case GTK_SCROLL_STEP_FORWARD:
666 ev_page_cache_next_page (view->page_cache);
675 adjustment = view->hadjustment;
677 adjustment = view->vadjustment;
680 value = adjustment->value;
683 case GTK_SCROLL_STEP_BACKWARD:
684 value -= adjustment->step_increment;
686 case GTK_SCROLL_STEP_FORWARD:
687 value += adjustment->step_increment;
693 value = CLAMP (value, adjustment->lower,
694 adjustment->upper - adjustment->page_size);
696 gtk_adjustment_set_value (adjustment, value);
702 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
704 GtkWidget *widget = GTK_WIDGET (view);
705 GtkAdjustment *adjustment;
708 adjustment = view->vadjustment;
710 if (rect->y < adjustment->value) {
711 value = MAX (adjustment->lower, rect->y - MARGIN);
712 gtk_adjustment_set_value (view->vadjustment, value);
713 } else if (rect->y + rect->height >
714 adjustment->value + widget->allocation.height) {
715 value = MIN (adjustment->upper, rect->y + rect->height -
716 widget->allocation.height + MARGIN);
717 gtk_adjustment_set_value (view->vadjustment, value);
720 adjustment = view->hadjustment;
722 if (rect->x < adjustment->value) {
723 value = MAX (adjustment->lower, rect->x - MARGIN);
724 gtk_adjustment_set_value (view->hadjustment, value);
725 } else if (rect->x + rect->height >
726 adjustment->value + widget->allocation.width) {
727 value = MIN (adjustment->upper, rect->x + rect->width -
728 widget->allocation.width + MARGIN);
729 gtk_adjustment_set_value (view->hadjustment, value);
733 /*** Geometry computations ***/
736 compute_border (EvView *view, int width, int height, GtkBorder *border)
738 if (view->presentation) {
744 ev_document_misc_get_page_border_size (width, height, border);
748 static void get_page_y_offset (EvView *view,
753 int max_width, offset;
756 g_return_if_fail (y_offset != NULL);
758 ev_page_cache_get_max_width (view->page_cache, zoom, &max_width);
760 compute_border (view, max_width, max_width, &border);
762 if (view->dual_page) {
763 ev_page_cache_get_height_to_page (view->page_cache, page, zoom, NULL, &offset);
764 offset += (page / 2 + 1) * view->spacing + (page / 2) * (border.top + border.bottom);
766 ev_page_cache_get_height_to_page (view->page_cache, page, zoom, &offset, NULL);
767 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
775 get_page_extents (EvView *view,
777 GdkRectangle *page_area,
783 widget = GTK_WIDGET (view);
785 /* Get the size of the page */
786 ev_page_cache_get_size (view->page_cache, page,
789 compute_border (view, width, height, border);
790 page_area->width = width + border->left + border->right;
791 page_area->height = height + border->top + border->bottom;
793 if (view->presentation) {
794 page_area->x = (MAX (0, widget->allocation.width - width))/2;
795 page_area->y = (MAX (0, widget->allocation.height - height))/2;
796 } else if (view->continuous) {
800 ev_page_cache_get_max_width (view->page_cache, view->scale, &max_width);
801 max_width = max_width + border->left + border->right;
802 /* Get the location of the bounding box */
803 if (view->dual_page) {
804 x = view->spacing + (page % 2) * (max_width + view->spacing);
805 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
807 x = x + (max_width - width - border->left - border->right);
810 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
813 get_page_y_offset (view, page, view->scale, &y);
819 if (view->dual_page) {
820 gint width_2, height_2;
821 gint max_width = width;
822 gint max_height = height;
823 GtkBorder overall_border;
826 other_page = page ^ 1;
828 /* First, we get the bounding box of the two pages */
829 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
830 ev_page_cache_get_size (view->page_cache,
833 &width_2, &height_2);
836 if (height_2 > height)
837 max_height = height_2;
839 compute_border (view, max_width, max_height, &overall_border);
841 /* Find the offsets */
845 /* Adjust for being the left or right page */
847 x = x + max_width - width;
849 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
851 y = y + (max_height - height)/2;
853 /* Adjust for extra allocation */
854 x = x + MAX (0, widget->allocation.width -
855 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
856 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
861 /* Adjust for extra allocation */
862 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
863 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
874 view_point_to_doc_point (EvView *view,
875 GdkPoint *view_point,
876 GdkRectangle *page_area,
880 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
881 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
885 view_rect_to_doc_rect (EvView *view,
886 GdkRectangle *view_rect,
887 GdkRectangle *page_area,
888 EvRectangle *doc_rect)
890 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
891 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
892 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
893 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
897 doc_rect_to_view_rect (EvView *view,
899 EvRectangle *doc_rect,
900 GdkRectangle *view_rect)
902 GdkRectangle page_area;
906 get_page_extents (view, page, &page_area, &border);
908 width = doc_rect->x2 - doc_rect->x1;
909 height = doc_rect->y2 - doc_rect->y1;
910 view_rect->x = floor (doc_rect->x1 * view->scale) + page_area.x;
911 view_rect->y = floor (doc_rect->y1 * view->scale) + page_area.y;
912 view_rect->width = ceil (width * view->scale);
913 view_rect->height = ceil (height * view->scale);
917 find_page_at_location (EvView *view,
926 if (view->document == NULL)
933 for (i = view->start_page; i <= view->end_page; i++) {
934 GdkRectangle page_area;
937 if (! get_page_extents (view, i, &page_area, &border))
940 if ((x >= page_area.x + border.left) &&
941 (x < page_area.x + page_area.width - border.right) &&
942 (y >= page_area.y + border.top) &&
943 (y < page_area.y + page_area.height - border.bottom)) {
945 *x_offset = x - (page_area.x + border.left);
946 *y_offset = y - (page_area.y + border.top);
955 location_in_text (EvView *view,
961 gint x_offset = 0, y_offset = 0;
963 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
968 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
971 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
978 get_link_at_location (EvView *view,
983 gint x_offset = 0, y_offset = 0;
986 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
991 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
994 return ev_link_mapping_find (link_mapping, x_offset / view->scale, y_offset / view->scale);
999 /* FIXME: standardize this sometime */
1001 go_to_link (EvView *view, EvLink *link)
1007 type = ev_link_get_link_type (link);
1010 case EV_LINK_TYPE_TITLE:
1012 case EV_LINK_TYPE_PAGE:
1013 page = ev_link_get_page (link);
1014 ev_page_cache_set_current_page (view->page_cache, page);
1016 case EV_LINK_TYPE_EXTERNAL_URI:
1017 uri = ev_link_get_uri (link);
1018 gnome_vfs_url_show (uri);
1024 status_message_from_link (EvView *view, EvLink *link)
1030 type = ev_link_get_link_type (link);
1033 case EV_LINK_TYPE_TITLE:
1034 if (ev_link_get_title (link))
1035 msg = g_strdup (ev_link_get_title (link));
1037 case EV_LINK_TYPE_PAGE:
1038 page_label = ev_page_cache_get_page_label (view->page_cache, ev_link_get_page (link));
1039 msg = g_strdup_printf (_("Go to page %s"), page_label);
1040 g_free (page_label);
1042 case EV_LINK_TYPE_EXTERNAL_URI:
1043 msg = g_strdup (ev_link_get_uri (link));
1053 /*** GtkWidget implementation ***/
1056 ev_view_size_request_continuous_dual_page (EvView *view,
1057 GtkRequisition *requisition)
1063 ev_page_cache_get_max_width (view->page_cache, view->scale, &max_width);
1064 compute_border (view, max_width, max_width, &border);
1066 n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1;
1068 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
1069 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1071 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1072 requisition->width = 1;
1073 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1074 requisition->width = 1;
1075 /* FIXME: This could actually be set on one page docs or docs
1076 * with a strange aspect ratio. */
1077 /* requisition->height = 1;*/
1082 ev_view_size_request_continuous (EvView *view,
1083 GtkRequisition *requisition)
1090 ev_page_cache_get_max_width (view->page_cache, view->scale, &max_width);
1091 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1092 compute_border (view, max_width, max_width, &border);
1094 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
1095 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1097 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1098 requisition->width = 1;
1099 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1100 requisition->width = 1;
1101 /* FIXME: This could actually be set on one page docs or docs
1102 * with a strange aspect ratio. */
1103 /* requisition->height = 1;*/
1108 ev_view_size_request_dual_page (EvView *view,
1109 GtkRequisition *requisition)
1114 /* Find the largest of the two. */
1115 ev_page_cache_get_size (view->page_cache,
1119 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) {
1120 gint width_2, height_2;
1121 ev_page_cache_get_size (view->page_cache,
1122 view->current_page + 1,
1124 &width_2, &height_2);
1125 if (width_2 > width) {
1130 compute_border (view, width, height, &border);
1132 requisition->width = ((width + border.left + border.right) * 2) +
1133 (view->spacing * 3);
1134 requisition->height = (height + border.top + border.bottom) +
1135 (view->spacing * 2);
1137 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1138 requisition->width = 1;
1139 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1140 requisition->width = 1;
1141 requisition->height = 1;
1146 ev_view_size_request_single_page (EvView *view,
1147 GtkRequisition *requisition)
1152 ev_page_cache_get_size (view->page_cache,
1156 compute_border (view, width, height, &border);
1158 requisition->width = width + border.left + border.right + (2 * view->spacing);
1159 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1161 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1162 requisition->width = 1;
1163 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1164 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1165 requisition->width = 1;
1166 requisition->height = 1;
1171 ev_view_size_request (GtkWidget *widget,
1172 GtkRequisition *requisition)
1174 EvView *view = EV_VIEW (widget);
1176 if (view->document == NULL) {
1177 requisition->width = 1;
1178 requisition->height = 1;
1182 if (view->presentation) {
1183 requisition->width = 1;
1184 requisition->height = 1;
1188 if (view->continuous && view->dual_page)
1189 ev_view_size_request_continuous_dual_page (view, requisition);
1190 else if (view->continuous)
1191 ev_view_size_request_continuous (view, requisition);
1192 else if (view->dual_page)
1193 ev_view_size_request_dual_page (view, requisition);
1195 ev_view_size_request_single_page (view, requisition);
1199 ev_view_size_allocate (GtkWidget *widget,
1200 GtkAllocation *allocation)
1202 EvView *view = EV_VIEW (widget);
1204 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
1205 view->sizing_mode == EV_SIZING_BEST_FIT) {
1207 g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0);
1209 ev_view_size_request (widget, &widget->requisition);
1212 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
1213 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
1215 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
1216 view->pending_resize = FALSE;
1219 view_update_range_and_current_page (view);
1221 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
1225 ev_view_realize (GtkWidget *widget)
1227 EvView *view = EV_VIEW (widget);
1228 GdkWindowAttr attributes;
1230 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
1233 attributes.window_type = GDK_WINDOW_CHILD;
1234 attributes.wclass = GDK_INPUT_OUTPUT;
1235 attributes.visual = gtk_widget_get_visual (widget);
1236 attributes.colormap = gtk_widget_get_colormap (widget);
1238 attributes.x = widget->allocation.x;
1239 attributes.y = widget->allocation.y;
1240 attributes.width = widget->allocation.width;
1241 attributes.height = widget->allocation.height;
1242 attributes.event_mask = GDK_EXPOSURE_MASK |
1243 GDK_BUTTON_PRESS_MASK |
1244 GDK_BUTTON_RELEASE_MASK |
1246 GDK_KEY_PRESS_MASK |
1247 GDK_POINTER_MOTION_MASK |
1248 GDK_LEAVE_NOTIFY_MASK;
1250 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
1252 GDK_WA_X | GDK_WA_Y |
1255 gdk_window_set_user_data (widget->window, widget);
1256 widget->style = gtk_style_attach (widget->style, widget->window);
1258 if (view->presentation)
1259 gdk_window_set_background (widget->window, &widget->style->black);
1261 gdk_window_set_background (widget->window, &widget->style->mid [GTK_STATE_NORMAL]);
1265 ev_view_unrealize (GtkWidget *widget)
1267 GTK_WIDGET_CLASS (ev_view_parent_class)->unrealize (widget);
1271 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
1273 EvView *view = EV_VIEW (widget);
1275 if ((event->state & GDK_CONTROL_MASK) != 0) {
1277 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1279 if (event->direction == GDK_SCROLL_UP ||
1280 event->direction == GDK_SCROLL_LEFT) {
1281 if (ev_view_can_zoom_in (view)) {
1282 ev_view_zoom_in (view);
1285 if (ev_view_can_zoom_out (view)) {
1286 ev_view_zoom_out (view);
1292 if ((event->state & GDK_SHIFT_MASK) != 0) {
1293 if (event->direction == GDK_SCROLL_UP)
1294 event->direction = GDK_SCROLL_LEFT;
1295 if (event->direction == GDK_SCROLL_DOWN)
1296 event->direction = GDK_SCROLL_RIGHT;
1302 static EvViewSelection *
1303 find_selection_for_page (EvView *view,
1308 for (list = view->selection_info.selections; list != NULL; list = list->next) {
1309 EvViewSelection *selection;
1311 selection = (EvViewSelection *) list->data;
1313 if (selection->page == page)
1321 ev_view_expose_event (GtkWidget *widget,
1322 GdkEventExpose *event)
1324 EvView *view = EV_VIEW (widget);
1327 if (view->document == NULL)
1330 for (i = view->start_page; i <= view->end_page; i++) {
1331 GdkRectangle page_area;
1334 if (!get_page_extents (view, i, &page_area, &border))
1337 page_area.x -= view->scroll_x;
1338 page_area.y -= view->scroll_y;
1340 draw_one_page (view, i, &page_area, &border, &(event->area));
1342 if (EV_IS_DOCUMENT_FIND (view->document))
1343 highlight_find_results (view, i);
1350 ev_view_button_press_event (GtkWidget *widget,
1351 GdkEventButton *event)
1353 EvView *view = EV_VIEW (widget);
1355 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
1356 gtk_widget_grab_focus (widget);
1359 view->pressed_button = event->button;
1361 switch (event->button) {
1363 if (view->selection_info.selections) {
1364 clear_selection (view);
1365 gtk_widget_queue_draw (widget);
1368 view->selection_info.start.x = event->x + view->scroll_x;
1369 view->selection_info.start.y = event->y + view->scroll_y;
1372 /* use root coordinates as reference point because
1373 * scrolling changes window relative coordinates */
1374 view->drag_info.start.x = event->x_root;
1375 view->drag_info.start.y = event->y_root;
1376 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
1377 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
1379 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1388 ev_view_motion_notify_event (GtkWidget *widget,
1389 GdkEventMotion *event)
1391 EvView *view = EV_VIEW (widget);
1393 if (!view->document)
1396 if (view->pressed_button == 1) {
1399 view->selection_info.in_selection = TRUE;
1400 point.x = event->x + view->scroll_x;
1401 point.y = event->y + view->scroll_y;
1402 compute_selections (view, &view->selection_info.start, &point);
1405 } else if (view->pressed_button == 2) {
1406 if (!view->drag_info.in_drag) {
1409 start = gtk_drag_check_threshold (widget,
1410 view->drag_info.start.x,
1411 view->drag_info.start.y,
1414 view->drag_info.in_drag = start;
1417 if (view->drag_info.in_drag) {
1419 gdouble dhadj_value, dvadj_value;
1421 dx = event->x_root - view->drag_info.start.x;
1422 dy = event->y_root - view->drag_info.start.y;
1424 dhadj_value = view->hadjustment->page_size *
1425 (gdouble)dx / widget->allocation.width;
1426 dvadj_value = view->vadjustment->page_size *
1427 (gdouble)dy / widget->allocation.height;
1429 /* clamp scrolling to visible area */
1430 gtk_adjustment_set_value (view->hadjustment,
1431 MIN(view->drag_info.hadj - dhadj_value,
1432 view->hadjustment->upper -
1433 view->hadjustment->page_size));
1434 gtk_adjustment_set_value (view->vadjustment,
1435 MIN(view->drag_info.vadj - dvadj_value,
1436 view->vadjustment->upper -
1437 view->vadjustment->page_size));
1441 } else if (view->pressed_button <= 0) {
1444 link = get_link_at_location (view, event->x + view->scroll_x, event->y + view->scroll_y);
1448 msg = status_message_from_link (view, link);
1449 ev_view_set_status (view, msg);
1450 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1452 } else if (location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y)) {
1453 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1455 ev_view_set_status (view, NULL);
1456 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1457 view->cursor == EV_VIEW_CURSOR_IBEAM)
1458 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1467 ev_view_button_release_event (GtkWidget *widget,
1468 GdkEventButton *event)
1470 EvView *view = EV_VIEW (widget);
1472 if (view->pressed_button == 2) {
1473 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1476 view->pressed_button = -1;
1477 view->drag_info.in_drag = FALSE;
1479 if (view->selection_info.selections) {
1480 ev_view_update_primary_selection (view);
1481 } else if (view->document) {
1484 link = get_link_at_location (view, event->x + view->scroll_x, event->y + view->scroll_y);
1486 go_to_link (view, link);
1494 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
1496 EvView *view = EV_VIEW (widget);
1498 ev_view_set_status (view, NULL);
1500 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1501 view->cursor == EV_VIEW_CURSOR_IBEAM)
1502 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1510 ev_gdk_color_to_rgb (const GdkColor *color)
1513 result = (0xff0000 | (color->red & 0xff00));
1515 result |= ((color->green & 0xff00) | (color->blue >> 8));
1520 draw_rubberband (GtkWidget *widget, GdkWindow *window,
1521 const GdkRectangle *rect, guchar alpha)
1525 GdkColor *fill_color_gdk;
1528 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
1529 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
1531 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
1532 rect->width, rect->height);
1533 gdk_pixbuf_fill (pixbuf, fill_color);
1535 gdk_draw_pixbuf (window, NULL, pixbuf,
1537 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
1538 rect->width, rect->height,
1539 GDK_RGB_DITHER_NONE,
1542 g_object_unref (pixbuf);
1544 gc = gdk_gc_new (window);
1545 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
1546 gdk_draw_rectangle (window, gc, FALSE,
1547 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
1550 g_object_unref (gc);
1552 gdk_color_free (fill_color_gdk);
1557 highlight_find_results (EvView *view, int page)
1559 EvDocumentFind *find;
1562 g_return_if_fail (EV_IS_DOCUMENT_FIND (view->document));
1564 find = EV_DOCUMENT_FIND (view->document);
1566 results = ev_document_find_get_n_results (find, page);
1568 for (i = 0; i < results; i++) {
1569 EvRectangle rectangle;
1570 GdkRectangle view_rectangle;
1573 if (i == view->find_result && page == view->find_page) {
1579 ev_document_find_get_result (find, page,
1581 doc_rect_to_view_rect (view, page, &rectangle, &view_rectangle);
1582 draw_rubberband (GTK_WIDGET (view), GTK_WIDGET(view)->window,
1583 &view_rectangle, alpha);
1588 draw_one_page (EvView *view,
1590 GdkRectangle *page_area,
1592 GdkRectangle *expose_area)
1595 GdkPixbuf *current_pixbuf;
1596 GdkRectangle overlap;
1597 GdkRectangle real_page_area;
1598 EvViewSelection *selection;
1600 g_assert (view->document);
1601 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
1604 selection = find_selection_for_page (view, page);
1605 ev_page_cache_get_size (view->page_cache,
1608 /* Render the document itself */
1609 real_page_area = *page_area;
1611 real_page_area.x += border->left;
1612 real_page_area.y += border->top;
1613 real_page_area.width -= (border->left + border->right);
1614 real_page_area.height -= (border->top + border->bottom);
1616 ev_document_misc_paint_one_page (GTK_WIDGET(view)->window,
1620 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
1621 GdkPixbuf *selection_pixbuf = NULL;
1622 GdkPixbuf *scaled_image;
1623 GdkPixbuf *scaled_selection;
1625 current_pixbuf = ev_pixbuf_cache_get_pixbuf (view->pixbuf_cache, page);
1627 /* Get the selection pixbuf iff we have something to draw */
1628 if (current_pixbuf && view->selection_mode == EV_VIEW_SELECTION_TEXT && selection)
1629 selection_pixbuf = ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
1633 if (current_pixbuf == NULL)
1634 scaled_image = NULL;
1635 else if (width == gdk_pixbuf_get_width (current_pixbuf) &&
1636 height == gdk_pixbuf_get_height (current_pixbuf))
1637 scaled_image = g_object_ref (current_pixbuf);
1639 /* FIXME: We don't want to scale the whole area, just the right
1641 scaled_image = gdk_pixbuf_scale_simple (current_pixbuf,
1643 GDK_INTERP_NEAREST);
1645 if (selection_pixbuf == NULL)
1646 scaled_selection = NULL;
1647 else if (width == gdk_pixbuf_get_width (selection_pixbuf) &&
1648 height == gdk_pixbuf_get_height (selection_pixbuf))
1649 scaled_selection = g_object_ref (selection_pixbuf);
1651 /* FIXME: We don't want to scale the whole area, just the right
1653 scaled_selection = gdk_pixbuf_scale_simple (selection_pixbuf,
1655 GDK_INTERP_NEAREST);
1658 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
1659 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
1661 overlap.x - real_page_area.x,
1662 overlap.y - real_page_area.y,
1663 overlap.x, overlap.y,
1664 overlap.width, overlap.height,
1665 GDK_RGB_DITHER_NORMAL,
1667 g_object_unref (scaled_image);
1670 if (scaled_selection) {
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_selection);
1685 /*** GObject functions ***/
1688 ev_view_finalize (GObject *object)
1690 EvView *view = EV_VIEW (object);
1694 g_free (view->status);
1695 g_free (view->find_status);
1697 clear_selection (view);
1699 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
1703 ev_view_destroy (GtkObject *object)
1705 EvView *view = EV_VIEW (object);
1707 if (view->document) {
1708 g_object_unref (view->document);
1709 view->document = NULL;
1711 if (view->pixbuf_cache) {
1712 g_object_unref (view->pixbuf_cache);
1713 view->pixbuf_cache = NULL;
1715 ev_view_set_scroll_adjustments (view, NULL, NULL);
1717 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
1721 ev_view_set_property (GObject *object,
1723 const GValue *value,
1726 EvView *view = EV_VIEW (object);
1730 case PROP_CONTINUOUS:
1731 ev_view_set_continuous (view, g_value_get_boolean (value));
1733 case PROP_DUAL_PAGE:
1734 ev_view_set_dual_page (view, g_value_get_boolean (value));
1736 case PROP_FULLSCREEN:
1737 ev_view_set_fullscreen (view, g_value_get_boolean (value));
1739 case PROP_PRESENTATION:
1740 ev_view_set_presentation (view, g_value_get_boolean (value));
1742 case PROP_SIZING_MODE:
1743 ev_view_set_sizing_mode (view, g_value_get_enum (value));
1746 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
1749 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
1754 ev_view_get_property (GObject *object,
1759 EvView *view = EV_VIEW (object);
1764 g_value_set_string (value, view->status);
1766 case PROP_FIND_STATUS:
1767 g_value_set_string (value, view->status);
1769 case PROP_CONTINUOUS:
1770 g_value_set_boolean (value, view->continuous);
1772 case PROP_DUAL_PAGE:
1773 g_value_set_boolean (value, view->dual_page);
1775 case PROP_FULLSCREEN:
1776 g_value_set_boolean (value, view->fullscreen);
1778 case PROP_PRESENTATION:
1779 g_value_set_boolean (value, view->presentation);
1781 case PROP_SIZING_MODE:
1782 g_value_set_enum (value, view->sizing_mode);
1785 g_value_set_double (value, view->scale);
1788 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
1793 ev_view_class_init (EvViewClass *class)
1795 GObjectClass *object_class = G_OBJECT_CLASS (class);
1796 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
1797 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
1798 GtkBindingSet *binding_set;
1800 object_class->finalize = ev_view_finalize;
1801 object_class->set_property = ev_view_set_property;
1802 object_class->get_property = ev_view_get_property;
1804 widget_class->expose_event = ev_view_expose_event;
1805 widget_class->button_press_event = ev_view_button_press_event;
1806 widget_class->motion_notify_event = ev_view_motion_notify_event;
1807 widget_class->button_release_event = ev_view_button_release_event;
1808 widget_class->size_request = ev_view_size_request;
1809 widget_class->size_allocate = ev_view_size_allocate;
1810 widget_class->realize = ev_view_realize;
1811 widget_class->unrealize = ev_view_unrealize;
1812 widget_class->scroll_event = ev_view_scroll_event;
1813 widget_class->leave_notify_event = ev_view_leave_notify_event;
1814 gtk_object_class->destroy = ev_view_destroy;
1816 class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
1817 class->binding_activated = ev_view_binding_activated;
1819 widget_class->set_scroll_adjustments_signal =
1820 g_signal_new ("set-scroll-adjustments",
1821 G_OBJECT_CLASS_TYPE (object_class),
1822 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1823 G_STRUCT_OFFSET (EvViewClass, set_scroll_adjustments),
1825 ev_marshal_VOID__OBJECT_OBJECT,
1827 GTK_TYPE_ADJUSTMENT,
1828 GTK_TYPE_ADJUSTMENT);
1830 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
1831 G_TYPE_FROM_CLASS (object_class),
1832 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1833 G_STRUCT_OFFSET (EvViewClass, binding_activated),
1835 ev_marshal_VOID__ENUM_BOOLEAN,
1837 GTK_TYPE_SCROLL_TYPE,
1840 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
1841 G_TYPE_FROM_CLASS (object_class),
1842 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1843 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
1845 ev_marshal_VOID__VOID,
1846 G_TYPE_NONE, 0, G_TYPE_NONE);
1848 g_object_class_install_property (object_class,
1850 g_param_spec_string ("status",
1852 "The status message",
1856 g_object_class_install_property (object_class,
1858 g_param_spec_string ("find-status",
1859 "Find Status Message",
1860 "The find status message",
1864 g_object_class_install_property (object_class,
1866 g_param_spec_boolean ("continuous",
1868 "Continuous scrolling mode",
1870 G_PARAM_READWRITE));
1872 g_object_class_install_property (object_class,
1874 g_param_spec_boolean ("dual-page",
1876 "Two pages visible at once",
1878 G_PARAM_READWRITE));
1879 g_object_class_install_property (object_class,
1881 g_param_spec_boolean ("fullscreen",
1883 "Draw page in a fullscreen fashion",
1885 G_PARAM_READWRITE));
1886 g_object_class_install_property (object_class,
1888 g_param_spec_boolean ("presentation",
1890 "Draw page in presentation mode",
1892 G_PARAM_READWRITE));
1894 g_object_class_install_property (object_class,
1896 g_param_spec_enum ("sizing-mode",
1899 EV_TYPE_SIZING_MODE,
1900 EV_SIZING_FIT_WIDTH,
1901 G_PARAM_READWRITE));
1903 g_object_class_install_property (object_class,
1905 g_param_spec_double ("zoom",
1911 G_PARAM_READWRITE));
1913 binding_set = gtk_binding_set_by_class (class);
1915 add_scroll_binding_keypad (binding_set, GDK_Left, GTK_SCROLL_STEP_BACKWARD, TRUE);
1916 add_scroll_binding_keypad (binding_set, GDK_Right, GTK_SCROLL_STEP_FORWARD, TRUE);
1917 add_scroll_binding_keypad (binding_set, GDK_Up, GTK_SCROLL_STEP_BACKWARD, FALSE);
1918 add_scroll_binding_keypad (binding_set, GDK_Down, GTK_SCROLL_STEP_FORWARD, FALSE);
1922 ev_view_init (EvView *view)
1924 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
1928 view->current_page = 0;
1929 view->pressed_button = -1;
1930 view->cursor = EV_VIEW_CURSOR_NORMAL;
1931 view->drag_info.in_drag = FALSE;
1932 view->selection_info.in_selection = FALSE;
1934 view->selection_mode = EV_VIEW_SELECTION_TEXT;
1935 view->continuous = TRUE;
1936 view->dual_page = FALSE;
1937 view->presentation = FALSE;
1938 view->fullscreen = FALSE;
1939 view->sizing_mode = EV_SIZING_FIT_WIDTH;
1940 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
1946 find_changed_cb (EvDocument *document, int page, EvView *view)
1948 jump_to_find_page (view);
1949 jump_to_find_result (view);
1950 update_find_status_message (view);
1952 if (view->current_page == page)
1953 gtk_widget_queue_draw (GTK_WIDGET (view));
1957 job_finished_cb (EvPixbufCache *pixbuf_cache,
1960 gtk_widget_queue_draw (GTK_WIDGET (view));
1964 page_changed_cb (EvPageCache *page_cache,
1968 if (view->current_page != new_page) {
1970 view->current_page = new_page;
1971 view->pending_scroll = SCROLL_TO_CURRENT_PAGE;
1972 gtk_widget_queue_resize (GTK_WIDGET (view));
1974 if (EV_IS_DOCUMENT_FIND (view->document)) {
1975 view->find_page = new_page;
1976 view->find_result = 0;
1977 update_find_status_message (view);
1982 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
1987 if (! GTK_WIDGET_REALIZED (view))
1990 if (view->hadjustment) {
1991 dx = view->scroll_x - (int) view->hadjustment->value;
1992 view->scroll_x = (int) view->hadjustment->value;
1997 if (view->vadjustment) {
1998 dy = view->scroll_y - (int) view->vadjustment->value;
1999 view->scroll_y = (int) view->vadjustment->value;
2005 if (view->pending_resize)
2006 gtk_widget_queue_draw (GTK_WIDGET (view));
2008 gdk_window_scroll (GTK_WIDGET (view)->window, dx, dy);
2012 view_update_range_and_current_page (view);
2020 view = g_object_new (EV_TYPE_VIEW, NULL);
2026 setup_caches (EvView *view)
2028 view->page_cache = ev_page_cache_get (view->document);
2029 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
2030 view->pixbuf_cache = ev_pixbuf_cache_new (view->document);
2031 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
2035 clear_caches (EvView *view)
2037 if (view->pixbuf_cache) {
2038 g_object_unref (view->pixbuf_cache);
2039 view->pixbuf_cache = NULL;
2042 if (view->document) {
2043 ev_page_cache_clear (view->document);
2048 ev_view_set_document (EvView *view,
2049 EvDocument *document)
2051 g_return_if_fail (EV_IS_VIEW (view));
2053 if (document != view->document) {
2054 clear_caches (view);
2056 if (view->document) {
2057 g_signal_handlers_disconnect_by_func (view->document,
2060 g_object_unref (view->document);
2061 view->page_cache = NULL;
2065 view->document = document;
2066 view->find_page = 0;
2067 view->find_result = 0;
2069 if (view->document) {
2070 g_object_ref (view->document);
2071 if (EV_IS_DOCUMENT_FIND (view->document)) {
2072 g_signal_connect (view->document,
2074 G_CALLBACK (find_changed_cb),
2078 setup_caches (view);
2081 gtk_widget_queue_resize (GTK_WIDGET (view));
2085 /*** Zoom and sizing mode ***/
2087 #define EPSILON 0.0000001
2089 ev_view_set_zoom (EvView *view,
2096 scale = view->scale * factor;
2100 scale = CLAMP (scale, MIN_SCALE, MAX_SCALE);
2102 if (ABS (view->scale - scale) < EPSILON)
2105 view->scale = scale;
2106 view->pending_resize = TRUE;
2108 gtk_widget_queue_resize (GTK_WIDGET (view));
2110 g_object_notify (G_OBJECT (view), "zoom");
2114 ev_view_get_zoom (EvView *view)
2120 ev_view_get_continuous (EvView *view)
2122 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2124 return view->continuous;
2128 ev_view_set_continuous (EvView *view,
2129 gboolean continuous)
2131 g_return_if_fail (EV_IS_VIEW (view));
2133 continuous = continuous != FALSE;
2135 if (view->continuous != continuous) {
2136 view->continuous = continuous;
2137 view->pending_scroll = SCROLL_TO_CURRENT_PAGE;
2138 gtk_widget_queue_resize (GTK_WIDGET (view));
2141 g_object_notify (G_OBJECT (view), "continuous");
2145 ev_view_get_dual_page (EvView *view)
2147 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2149 return view->dual_page;
2153 ev_view_set_dual_page (EvView *view,
2156 g_return_if_fail (EV_IS_VIEW (view));
2158 dual_page = dual_page != FALSE;
2160 if (view->dual_page == dual_page)
2163 view->pending_scroll = SCROLL_TO_CURRENT_PAGE;
2164 view->dual_page = dual_page;
2165 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
2166 * preload_cache_size to be 2 if dual_page is set.
2168 gtk_widget_queue_resize (GTK_WIDGET (view));
2170 g_object_notify (G_OBJECT (view), "dual-page");
2174 ev_view_set_fullscreen (EvView *view,
2175 gboolean fullscreen)
2177 g_return_if_fail (EV_IS_VIEW (view));
2179 fullscreen = fullscreen != FALSE;
2181 if (view->fullscreen == fullscreen)
2184 view->fullscreen = fullscreen;
2185 gtk_widget_queue_resize (GTK_WIDGET (view));
2187 g_object_notify (G_OBJECT (view), "fullscreen");
2191 ev_view_get_fullscreen (EvView *view)
2193 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2195 return view->fullscreen;
2199 ev_view_set_presentation (EvView *view,
2200 gboolean presentation)
2202 g_return_if_fail (EV_IS_VIEW (view));
2204 presentation = presentation != FALSE;
2206 if (view->presentation == presentation)
2209 view->presentation = presentation;
2210 view->pending_scroll = SCROLL_TO_CURRENT_PAGE;
2211 gtk_widget_queue_resize (GTK_WIDGET (view));
2213 if (GTK_WIDGET_REALIZED (view)) {
2214 if (view->presentation)
2215 gdk_window_set_background (GTK_WIDGET(view)->window,
2216 >K_WIDGET (view)->style->black);
2218 gdk_window_set_background (GTK_WIDGET(view)->window,
2219 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
2223 g_object_notify (G_OBJECT (view), "presentation");
2227 ev_view_get_presentation (EvView *view)
2229 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2231 return view->presentation;
2235 ev_view_set_sizing_mode (EvView *view,
2236 EvSizingMode sizing_mode)
2238 g_return_if_fail (EV_IS_VIEW (view));
2240 if (view->sizing_mode == sizing_mode)
2243 view->sizing_mode = sizing_mode;
2244 gtk_widget_queue_resize (GTK_WIDGET (view));
2246 g_object_notify (G_OBJECT (view), "sizing-mode");
2250 ev_view_get_sizing_mode (EvView *view)
2252 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
2254 return view->sizing_mode;
2258 ev_view_can_zoom_in (EvView *view)
2260 return view->scale * ZOOM_IN_FACTOR <= MAX_SCALE;
2264 ev_view_can_zoom_out (EvView *view)
2266 return view->scale * ZOOM_OUT_FACTOR >= MIN_SCALE;
2270 ev_view_zoom_in (EvView *view)
2272 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
2274 view->pending_scroll = SCROLL_TO_CENTER;
2275 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
2279 ev_view_zoom_out (EvView *view)
2281 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
2283 view->pending_scroll = SCROLL_TO_CENTER;
2284 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
2288 ev_view_set_orientation (EvView *view,
2289 EvOrientation orientation)
2291 ev_document_set_orientation (view->document, orientation);
2293 clear_caches (view);
2294 setup_caches (view);
2296 gtk_widget_queue_resize (GTK_WIDGET (view));
2300 ev_view_rotate_right (EvView *view)
2302 EvOrientation orientation, new_orientation;
2304 orientation = ev_document_get_orientation (view->document);
2305 if (orientation == EV_ORIENTATION_PORTRAIT) {
2306 new_orientation = EV_ORIENTATION_LANDSCAPE;
2307 } else if (orientation == EV_ORIENTATION_LANDSCAPE) {
2308 new_orientation = EV_ORIENTATION_UPSIDEDOWN;
2309 } else if (orientation == EV_ORIENTATION_UPSIDEDOWN) {
2310 new_orientation = EV_ORIENTATION_SEASCAPE;
2312 new_orientation = EV_ORIENTATION_PORTRAIT;
2314 ev_view_set_orientation (view, new_orientation);
2318 ev_view_rotate_left (EvView *view)
2320 EvOrientation orientation, new_orientation;
2322 orientation = ev_document_get_orientation (view->document);
2323 if (orientation == EV_ORIENTATION_PORTRAIT) {
2324 new_orientation = EV_ORIENTATION_SEASCAPE;
2325 } else if (orientation == EV_ORIENTATION_SEASCAPE) {
2326 new_orientation = EV_ORIENTATION_UPSIDEDOWN;
2327 } else if (orientation == EV_ORIENTATION_UPSIDEDOWN) {
2328 new_orientation = EV_ORIENTATION_LANDSCAPE;
2330 new_orientation = EV_ORIENTATION_PORTRAIT;
2332 ev_view_set_orientation (view, new_orientation);
2336 zoom_for_size_fit_width (int doc_width,
2344 scale = (double)target_width / doc_width;
2346 if (doc_height * scale > target_height)
2347 scale = (double) (target_width - vsb_width) / doc_width;
2353 zoom_for_size_best_fit (int doc_width,
2363 w_scale = (double)target_width / doc_width;
2364 h_scale = (double)target_height / doc_height;
2366 if (doc_height * w_scale > target_height)
2367 w_scale = (double) (target_width - vsb_width) / doc_width;
2368 if (doc_width * h_scale > target_width)
2369 h_scale = (double) (target_height - hsb_width) / doc_height;
2371 return MIN (w_scale, h_scale);
2376 ev_view_zoom_for_size_presentation (EvView *view,
2380 int doc_width, doc_height;
2383 ev_page_cache_get_size (view->page_cache,
2388 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
2389 ev_view_set_zoom (view, scale, FALSE);
2393 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
2399 int doc_width, doc_height;
2403 ev_page_cache_get_max_width (view->page_cache,
2406 ev_page_cache_get_max_height (view->page_cache,
2409 compute_border (view, doc_width, doc_height, &border);
2411 doc_width = doc_width * 2;
2412 width -= (2 * (border.left + border.right) + 3 * view->spacing);
2413 height -= (border.top + border.bottom + 2 * view->spacing - 1);
2415 /* FIXME: We really need to calculate the overall height here, not the
2416 * page height. We assume there's always a vertical scrollbar for
2417 * now. We need to fix this. */
2418 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
2419 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
2420 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
2421 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
2423 g_assert_not_reached ();
2425 ev_view_set_zoom (view, scale, FALSE);
2429 ev_view_zoom_for_size_continuous (EvView *view,
2435 int doc_width, doc_height;
2439 ev_page_cache_get_max_width (view->page_cache,
2442 ev_page_cache_get_max_height (view->page_cache,
2445 compute_border (view, doc_width, doc_height, &border);
2447 width -= (border.left + border.right + 2 * view->spacing);
2448 height -= (border.top + border.bottom + 2 * view->spacing - 1);
2450 /* FIXME: We really need to calculate the overall height here, not the
2451 * page height. We assume there's always a vertical scrollbar for
2452 * now. We need to fix this. */
2453 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
2454 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
2455 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
2456 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
2458 g_assert_not_reached ();
2460 ev_view_set_zoom (view, scale, FALSE);
2464 ev_view_zoom_for_size_dual_page (EvView *view,
2471 gint doc_width, doc_height;
2475 other_page = view->current_page ^ 1;
2477 /* Find the largest of the two. */
2478 ev_page_cache_get_size (view->page_cache,
2481 &doc_width, &doc_height);
2483 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
2484 gint width_2, height_2;
2485 ev_page_cache_get_size (view->page_cache,
2488 &width_2, &height_2);
2489 if (width_2 > doc_width)
2490 doc_width = width_2;
2491 if (height_2 > doc_height)
2492 doc_height = height_2;
2494 compute_border (view, doc_width, doc_height, &border);
2496 doc_width = doc_width * 2;
2497 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
2498 height -= (border.top + border.bottom + 2 * view->spacing);
2500 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
2501 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
2502 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
2503 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
2505 g_assert_not_reached ();
2507 ev_view_set_zoom (view, scale, FALSE);
2511 ev_view_zoom_for_size_single_page (EvView *view,
2517 int doc_width, doc_height;
2521 ev_page_cache_get_size (view->page_cache,
2526 /* Get an approximate border */
2527 compute_border (view, width, height, &border);
2529 width -= (border.left + border.right + 2 * view->spacing);
2530 height -= (border.top + border.bottom + 2 * view->spacing);
2532 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
2533 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
2534 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
2535 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
2537 g_assert_not_reached ();
2539 ev_view_set_zoom (view, scale, FALSE);
2543 ev_view_set_zoom_for_size (EvView *view,
2549 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2550 view->sizing_mode == EV_SIZING_BEST_FIT);
2551 g_return_if_fail (width >= 0);
2552 g_return_if_fail (height >= 0);
2554 if (view->document == NULL)
2557 if (view->presentation)
2558 ev_view_zoom_for_size_presentation (view, width, height);
2559 else if (view->continuous && view->dual_page)
2560 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
2561 else if (view->continuous)
2562 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
2563 else if (view->dual_page)
2564 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
2566 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
2569 /*** Status text messages ***/
2572 ev_view_get_status (EvView *view)
2574 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
2576 return view->status;
2580 ev_view_set_status (EvView *view, const char *message)
2582 g_return_if_fail (EV_IS_VIEW (view));
2584 if (message != view->status) {
2585 g_free (view->status);
2586 view->status = g_strdup (message);
2587 g_object_notify (G_OBJECT (view), "status");
2592 update_find_status_message (EvView *view)
2596 if (view->current_page == view->find_page) {
2599 results = ev_document_find_get_n_results
2600 (EV_DOCUMENT_FIND (view->document),
2601 view->current_page);
2602 /* TRANS: Sometimes this could be better translated as
2603 "%d hit(s) on this page". Therefore this string
2604 contains plural cases. */
2605 message = g_strdup_printf (ngettext ("%d found on this page",
2606 "%d found on this page",
2612 percent = ev_document_find_get_progress
2613 (EV_DOCUMENT_FIND (view->document));
2614 if (percent >= (1.0 - 1e-10)) {
2615 message = g_strdup (_("Not found"));
2617 message = g_strdup_printf (_("%3d%% remaining to search"),
2618 (int) ((1.0 - percent) * 100));
2622 ev_view_set_find_status (view, message);
2627 ev_view_get_find_status (EvView *view)
2629 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
2631 return view->find_status;
2635 ev_view_set_find_status (EvView *view, const char *message)
2637 g_return_if_fail (EV_IS_VIEW (view));
2639 g_free (view->find_status);
2640 view->find_status = g_strdup (message);
2641 g_object_notify (G_OBJECT (view), "find-status");
2647 jump_to_find_result (EvView *view)
2649 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
2651 GdkRectangle view_rect;
2653 int page = view->find_page;
2655 n_results = ev_document_find_get_n_results (find, page);
2657 if (n_results > view->find_result) {
2658 ev_document_find_get_result
2659 (find, page, view->find_result, &rect);
2661 doc_rect_to_view_rect (view, page, &rect, &view_rect);
2662 ensure_rectangle_is_visible (view, &view_rect);
2667 jump_to_find_page (EvView *view)
2671 n_pages = ev_page_cache_get_n_pages (view->page_cache);
2673 for (i = 0; i < n_pages; i++) {
2677 page = i + view->find_page;
2678 if (page >= n_pages) {
2679 page = page - n_pages;
2682 has_results = ev_document_find_page_has_results
2683 (EV_DOCUMENT_FIND (view->document), page);
2684 if (has_results == -1) {
2685 view->find_page = page;
2687 } else if (has_results == 1) {
2688 ev_page_cache_set_current_page (view->page_cache, page);
2689 jump_to_find_result (view);
2696 ev_view_can_find_next (EvView *view)
2700 if (EV_IS_DOCUMENT_FIND (view->document)) {
2701 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
2703 n_results = ev_document_find_get_n_results (find, view->current_page);
2706 return n_results > 0;
2710 ev_view_find_next (EvView *view)
2712 EvPageCache *page_cache;
2713 int n_results, n_pages;
2714 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
2716 page_cache = ev_page_cache_get (view->document);
2717 n_results = ev_document_find_get_n_results (find, view->current_page);
2719 n_pages = ev_page_cache_get_n_pages (page_cache);
2721 view->find_result++;
2723 if (view->find_result >= n_results) {
2724 view->find_result = 0;
2727 if (view->find_page >= n_pages) {
2728 view->find_page = 0;
2731 jump_to_find_page (view);
2733 jump_to_find_result (view);
2734 gtk_widget_queue_draw (GTK_WIDGET (view));
2739 ev_view_find_previous (EvView *view)
2741 int n_results, n_pages;
2742 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
2743 EvPageCache *page_cache;
2745 page_cache = ev_page_cache_get (view->document);
2747 n_results = ev_document_find_get_n_results (find, view->current_page);
2749 n_pages = ev_page_cache_get_n_pages (page_cache);
2751 view->find_result--;
2753 if (view->find_result < 0) {
2754 view->find_result = 0;
2757 if (view->find_page < 0) {
2758 view->find_page = n_pages - 1;
2761 jump_to_find_page (view);
2763 jump_to_find_result (view);
2764 gtk_widget_queue_draw (GTK_WIDGET (view));
2768 /*** Selections ***/
2770 /* compute_new_selection_rect/text calculates the area currently selected by
2771 * view_rect. each handles a different mode;
2774 compute_new_selection_rect (EvView *view,
2778 GdkRectangle view_rect;
2782 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
2784 view_rect.x = MIN (start->x, stop->x);
2785 view_rect.y = MIN (start->y, stop->y);
2786 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
2787 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
2789 n_pages = ev_page_cache_get_n_pages (view->page_cache);
2791 for (i = 0; i < n_pages; i++) {
2792 GdkRectangle page_area;
2795 if (get_page_extents (view, i, &page_area, &border)) {
2796 GdkRectangle overlap;
2798 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
2799 EvViewSelection *selection;
2801 selection = g_new0 (EvViewSelection, 1);
2802 selection->page = i;
2803 view_rect_to_doc_rect (view, &overlap, &page_area,
2804 &(selection->rect));
2806 list = g_list_append (list, selection);
2815 gdk_rectangle_point_in (GdkRectangle *rectangle,
2818 return rectangle->x <= point->x &&
2819 rectangle->y <= point->y &&
2820 point->x < rectangle->x + rectangle->width &&
2821 point->y < rectangle->y + rectangle->height;
2825 compute_new_selection_text (EvView *view,
2829 int n_pages, i, first, last;
2831 EvViewSelection *selection;
2834 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
2836 n_pages = ev_page_cache_get_n_pages (view->page_cache);
2838 /* First figure out the range of pages the selection
2842 for (i = 0; i < n_pages; i++) {
2843 GdkRectangle page_area;
2846 get_page_extents (view, i, &page_area, &border);
2847 if (gdk_rectangle_point_in (&page_area, start) ||
2848 gdk_rectangle_point_in (&page_area, stop)) {
2849 if (first == n_pages)
2858 /* Now create a list of EvViewSelection's for the affected
2859 * pages. This could be an empty list, a list of just one
2860 * page or a number of pages.*/
2861 for (i = first; i < last + 1; i++) {
2862 GdkRectangle page_area;
2866 ev_page_cache_get_size (view->page_cache, i,
2867 1.0, &width, &height);
2869 selection = g_new0 (EvViewSelection, 1);
2870 selection->page = i;
2871 selection->rect.x1 = selection->rect.y1 = 0;
2872 selection->rect.x2 = width;
2873 selection->rect.y2 = height;
2875 get_page_extents (view, i, &page_area, &border);
2877 if (gdk_rectangle_point_in (&page_area, start))
2883 view_point_to_doc_point (view, point, &page_area,
2884 &selection->rect.x1,
2885 &selection->rect.y1);
2887 /* If the selection is contained within just one page,
2888 * make sure we don't write 'start' into both points
2889 * in selection->rect. */
2894 view_point_to_doc_point (view, point, &page_area,
2895 &selection->rect.x2,
2896 &selection->rect.y2);
2898 list = g_list_append (list, selection);
2904 /* This function takes the newly calculated list, and figures out which regions
2905 * have changed. It then queues a redraw approporiately.
2908 merge_selection_region (EvView *view,
2912 /* FIXME: actually write... */
2913 clear_selection (view);
2914 gtk_widget_queue_draw (GTK_WIDGET (view));
2916 view->selection_info.selections = list;
2917 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, list);
2921 compute_selections (EvView *view,
2927 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
2928 list = compute_new_selection_rect (view, start, stop);
2930 list = compute_new_selection_text (view, start, stop);
2931 merge_selection_region (view, list);
2934 /* Free's the selection. It's up to the caller to queue redraws if needed.
2937 selection_free (EvViewSelection *selection)
2943 clear_selection (EvView *view)
2945 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
2946 view->selection_info.selections = NULL;
2947 view->selection_info.in_selection = FALSE;
2952 ev_view_select_all (EvView *view)
2956 clear_selection (view);
2958 n_pages = ev_page_cache_get_n_pages (view->page_cache);
2959 for (i = 0; i < n_pages; i++) {
2961 EvViewSelection *selection;
2963 ev_page_cache_get_size (view->page_cache,
2964 i, 1.0, &width, &height);
2966 selection = g_new0 (EvViewSelection, 1);
2967 selection->page = i;
2968 selection->rect.x1 = selection->rect.y1 = 0;
2969 selection->rect.x2 = width;
2970 selection->rect.y2 = height;
2972 view->selection_info.selections = g_list_append (view->selection_info.selections, selection);
2975 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, view->selection_info.selections);
2976 gtk_widget_queue_draw (GTK_WIDGET (view));
2980 get_selected_text (EvView *ev_view)
2985 text = g_string_new (NULL);
2987 ev_document_doc_mutex_lock ();
2989 for (l = ev_view->selection_info.selections; l != NULL; l = l->next) {
2990 EvViewSelection *selection = (EvViewSelection *)l->data;
2993 tmp = ev_document_get_text (ev_view->document,
2996 g_string_append (text, tmp);
3000 ev_document_doc_mutex_unlock ();
3002 return g_string_free (text, FALSE);
3006 ev_view_copy (EvView *ev_view)
3008 GtkClipboard *clipboard;
3011 if (!ev_document_can_get_text (ev_view->document)) {
3015 text = get_selected_text (ev_view);
3016 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
3017 GDK_SELECTION_CLIPBOARD);
3018 gtk_clipboard_set_text (clipboard, text, -1);
3023 ev_view_primary_get_cb (GtkClipboard *clipboard,
3024 GtkSelectionData *selection_data,
3028 EvView *ev_view = EV_VIEW (data);
3031 if (!ev_document_can_get_text (ev_view->document)) {
3035 text = get_selected_text (ev_view);
3036 gtk_selection_data_set_text (selection_data, text, -1);
3041 ev_view_primary_clear_cb (GtkClipboard *clipboard,
3044 EvView *view = EV_VIEW (data);
3046 clear_selection (view);
3050 ev_view_update_primary_selection (EvView *ev_view)
3052 GtkClipboard *clipboard;
3054 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
3055 GDK_SELECTION_PRIMARY);
3057 if (ev_view->selection_info.selections) {
3058 if (!gtk_clipboard_set_with_owner (clipboard,
3060 G_N_ELEMENTS (targets),
3061 ev_view_primary_get_cb,
3062 ev_view_primary_clear_cb,
3063 G_OBJECT (ev_view)))
3064 ev_view_primary_clear_cb (clipboard, ev_view);
3066 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
3067 gtk_clipboard_clear (clipboard);
3071 /*** Cursor operations ***/
3074 ev_view_create_invisible_cursor(void)
3077 GdkColor black = { 0, 0, 0, 0 };
3078 static char bits[] = { 0x00 };
3080 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
3082 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
3086 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
3088 GdkCursor *cursor = NULL;
3089 GdkDisplay *display;
3092 if (view->cursor == new_cursor) {
3096 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
3097 display = gtk_widget_get_display (widget);
3098 view->cursor = new_cursor;
3100 switch (new_cursor) {
3101 case EV_VIEW_CURSOR_NORMAL:
3102 gdk_window_set_cursor (widget->window, NULL);
3104 case EV_VIEW_CURSOR_IBEAM:
3105 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
3107 case EV_VIEW_CURSOR_LINK:
3108 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
3110 case EV_VIEW_CURSOR_WAIT:
3111 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
3113 case EV_VIEW_CURSOR_HIDDEN:
3114 cursor = ev_view_create_invisible_cursor ();
3116 case EV_VIEW_CURSOR_DRAG:
3117 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
3122 gdk_window_set_cursor (widget->window, cursor);
3123 gdk_cursor_unref (cursor);
3129 ev_view_hide_cursor (EvView *view)
3131 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
3135 ev_view_show_cursor (EvView *view)
3137 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
3140 /*** Enum description for usage in signal ***/
3143 ev_sizing_mode_get_type (void)
3145 static GType etype = 0;
3147 static const GEnumValue values[] = {
3148 { EV_SIZING_FIT_WIDTH, "EV_SIZING_FIT_WIDTH", "fit-width" },
3149 { EV_SIZING_BEST_FIT, "EV_SIZING_BEST_FIT", "best-fit" },
3150 { EV_SIZING_FREE, "EV_SIZING_FREE", "free" },
3153 etype = g_enum_register_static ("EvSizingMode", values);