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"
33 #include "ev-selection.h"
34 #include "ev-document-find.h"
35 #include "ev-document-misc.h"
37 #include "ev-job-queue.h"
38 #include "ev-page-cache.h"
39 #include "ev-pixbuf-cache.h"
40 #include "ev-tooltip.h"
42 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
43 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
44 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
61 SIGNAL_BINDING_ACTIVATED,
72 TARGET_TEXT_BUFFER_CONTENTS
75 static const GtkTargetEntry targets[] = {
76 { "STRING", 0, TARGET_STRING },
77 { "TEXT", 0, TARGET_TEXT },
78 { "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT },
79 { "UTF8_STRING", 0, TARGET_UTF8_STRING },
82 static guint signals[N_SIGNALS];
85 EV_VIEW_CURSOR_NORMAL,
89 EV_VIEW_CURSOR_HIDDEN,
96 } EvViewFindDirection;
98 #define ZOOM_IN_FACTOR 1.2
99 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
101 #define MIN_SCALE 0.05409
102 #define MAX_SCALE 4.0
104 /* Information for middle clicking and moving around the doc */
112 /* Information for handling selection */
114 gboolean in_selection;
120 SCROLL_TO_KEEP_POSITION,
121 SCROLL_TO_CURRENT_PAGE,
126 GtkWidget parent_instance;
128 EvDocument *document;
134 GtkAdjustment *hadjustment;
135 GtkAdjustment *vadjustment;
140 /* Information for middle clicking and dragging around. */
146 guint selection_update_id;
148 EvViewSelectionMode selection_mode;
149 SelectionInfo selection_info;
153 GtkWidget *link_tooltip;
154 EvLink *hovered_link;
156 EvPageCache *page_cache;
157 EvPixbufCache *pixbuf_cache;
163 EvJobRender *current_job;
175 gboolean presentation;
176 EvSizingMode sizing_mode;
178 PendingScroll pending_scroll;
179 gboolean pending_resize;
182 struct _EvViewClass {
183 GtkWidgetClass parent_class;
185 void (*set_scroll_adjustments) (EvView *view,
186 GtkAdjustment *hadjustment,
187 GtkAdjustment *vadjustment);
188 void (*binding_activated) (EvView *view,
189 GtkScrollType scroll,
190 gboolean horizontal);
191 void (*zoom_invalid) (EvView *view);
192 void (*external_link) (EvView *view,
197 static void scroll_to_current_page (EvView *view,
198 GtkOrientation orientation);
199 static void ev_view_set_scroll_adjustments (EvView *view,
200 GtkAdjustment *hadjustment,
201 GtkAdjustment *vadjustment);
202 static void view_update_range_and_current_page (EvView *view);
203 static void set_scroll_adjustment (EvView *view,
204 GtkOrientation orientation,
205 GtkAdjustment *adjustment);
206 static void ev_view_set_scroll_adjustments (EvView *view,
207 GtkAdjustment *hadjustment,
208 GtkAdjustment *vadjustment);
209 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
211 GtkScrollType scroll,
212 gboolean horizontal);
213 static void ev_view_binding_activated (EvView *view,
214 GtkScrollType scroll,
215 gboolean horizontal);
216 static void ensure_rectangle_is_visible (EvView *view,
219 /*** Geometry computations ***/
220 static void compute_border (EvView *view,
224 static void get_page_y_offset (EvView *view,
228 static gboolean get_page_extents (EvView *view,
230 GdkRectangle *page_area,
232 static void view_rect_to_doc_rect (EvView *view,
233 GdkRectangle *view_rect,
234 GdkRectangle *page_area,
235 EvRectangle *doc_rect);
236 static void doc_rect_to_view_rect (EvView *view,
238 EvRectangle *doc_rect,
239 GdkRectangle *view_rect);
240 static void find_page_at_location (EvView *view,
248 static EvLink* get_link_at_location (EvView *view,
251 static char* tip_from_link (EvView *view,
253 static void handle_link_over_xy (EvView *view,
256 /*** GtkWidget implementation ***/
257 static void ev_view_size_request_continuous_dual_page (EvView *view,
258 GtkRequisition *requisition);
259 static void ev_view_size_request_continuous (EvView *view,
260 GtkRequisition *requisition);
261 static void ev_view_size_request_dual_page (EvView *view,
262 GtkRequisition *requisition);
263 static void ev_view_size_request_single_page (EvView *view,
264 GtkRequisition *requisition);
265 static void ev_view_size_request (GtkWidget *widget,
266 GtkRequisition *requisition);
267 static void ev_view_size_allocate (GtkWidget *widget,
268 GtkAllocation *allocation);
269 static void ev_view_realize (GtkWidget *widget);
270 static gboolean ev_view_scroll_event (GtkWidget *widget,
271 GdkEventScroll *event);
272 static gboolean ev_view_expose_event (GtkWidget *widget,
273 GdkEventExpose *event);
274 static gboolean ev_view_button_press_event (GtkWidget *widget,
275 GdkEventButton *event);
276 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
277 GdkEventMotion *event);
278 static gboolean ev_view_button_release_event (GtkWidget *widget,
279 GdkEventButton *event);
280 static gboolean ev_view_enter_notify_event (GtkWidget *widget,
281 GdkEventCrossing *event);
282 static gboolean ev_view_leave_notify_event (GtkWidget *widget,
283 GdkEventCrossing *event);
284 static void ev_view_style_set (GtkWidget *widget,
285 GtkStyle *old_style);
288 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
289 static void draw_rubberband (GtkWidget *widget,
291 const GdkRectangle *rect,
293 static void highlight_find_results (EvView *view,
295 static void draw_one_page (EvView *view,
297 GdkRectangle *page_area,
299 GdkRectangle *expose_area);
302 static void find_changed_cb (EvDocument *document,
305 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
307 static void page_changed_cb (EvPageCache *page_cache,
310 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
314 static void ev_view_finalize (GObject *object);
315 static void ev_view_destroy (GtkObject *object);
316 static void ev_view_set_property (GObject *object,
320 static void ev_view_get_property (GObject *object,
324 static void ev_view_class_init (EvViewClass *class);
325 static void ev_view_init (EvView *view);
327 /*** Zoom and sizing ***/
328 static double zoom_for_size_fit_width (int doc_width,
333 static double zoom_for_size_fit_height (int doc_width,
338 static double zoom_for_size_best_fit (int doc_width,
344 static void ev_view_zoom_for_size_presentation (EvView *view,
347 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
352 static void ev_view_zoom_for_size_continuous (EvView *view,
357 static void ev_view_zoom_for_size_dual_page (EvView *view,
362 static void ev_view_zoom_for_size_single_page (EvView *view,
368 static GdkCursor* ev_view_create_invisible_cursor (void);
369 static void ev_view_set_cursor (EvView *view,
370 EvViewCursor new_cursor);
372 /*** Status messages ***/
373 static void ev_view_set_status (EvView *view,
374 const char *message);
375 static void update_find_status_message (EvView *view);
376 static void ev_view_set_find_status (EvView *view,
377 const char *message);
379 static void jump_to_find_result (EvView *view);
380 static void jump_to_find_page (EvView *view,
381 EvViewFindDirection direction);
384 static void compute_selections (EvView *view,
387 static void clear_selection (EvView *view);
388 static void selection_free (EvViewSelection *selection);
389 static char* get_selected_text (EvView *ev_view);
390 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
391 GtkSelectionData *selection_data,
394 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
396 static void ev_view_update_primary_selection (EvView *ev_view);
399 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_WIDGET)
402 scroll_to_current_page (EvView *view, GtkOrientation orientation)
404 GdkRectangle page_area;
407 if (view->document == NULL) {
411 get_page_extents (view, view->current_page, &page_area, &border);
413 if (orientation == GTK_ORIENTATION_VERTICAL) {
414 if (view->continuous) {
415 gtk_adjustment_clamp_page (view->vadjustment,
416 page_area.y - view->spacing,
417 page_area.y + view->vadjustment->page_size);
419 gtk_adjustment_set_value (view->vadjustment,
420 view->vadjustment->lower);
423 if (view->dual_page) {
424 gtk_adjustment_clamp_page (view->hadjustment,
426 page_area.x + view->hadjustment->page_size);
428 gtk_adjustment_set_value (view->hadjustment,
429 CLAMP (view->hadjustment->value,
430 view->hadjustment->lower,
431 view->hadjustment->upper -
432 view->hadjustment->page_size));
438 view_set_adjustment_values (EvView *view,
439 GtkOrientation orientation)
441 GtkWidget *widget = GTK_WIDGET (view);
442 GtkAdjustment *adjustment;
449 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
450 requisition = widget->requisition.width;
451 allocation = widget->allocation.width;
452 adjustment = view->hadjustment;
454 requisition = widget->requisition.height;
455 allocation = widget->allocation.height;
456 adjustment = view->vadjustment;
463 switch (view->pending_scroll) {
464 case SCROLL_TO_KEEP_POSITION:
465 factor = (adjustment->value) / adjustment->upper;
467 case SCROLL_TO_CURRENT_PAGE:
469 case SCROLL_TO_CENTER:
470 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
474 adjustment->page_size = allocation;
475 adjustment->step_increment = allocation * 0.1;
476 adjustment->page_increment = allocation * 0.9;
477 adjustment->lower = 0;
478 adjustment->upper = MAX (allocation, requisition);
481 * We add 0.5 to the values before to average out our rounding errors.
483 switch (view->pending_scroll) {
484 case SCROLL_TO_KEEP_POSITION:
485 new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size);
486 gtk_adjustment_set_value (adjustment, (int)new_value);
488 case SCROLL_TO_CURRENT_PAGE:
489 scroll_to_current_page (view, orientation);
491 case SCROLL_TO_CENTER:
492 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5,
493 0, adjustment->upper - adjustment->page_size);
494 gtk_adjustment_set_value (adjustment, (int)new_value);
498 gtk_adjustment_changed (adjustment);
502 view_update_range_and_current_page (EvView *view)
504 if (view->pending_scroll != SCROLL_TO_KEEP_POSITION)
507 /* Presentation trumps all other modes */
508 if (view->presentation) {
509 view->start_page = view->current_page;
510 view->end_page = view->current_page;
511 } else if (view->continuous) {
512 GdkRectangle current_area, unused, page_area;
515 gboolean found = FALSE;
518 if (!(view->vadjustment && view->hadjustment))
521 current_area.x = view->hadjustment->value;
522 current_area.width = view->hadjustment->upper;
523 current_area.y = view->vadjustment->value;
524 current_area.height = view->vadjustment->page_size;
526 for (i = 0; i < ev_page_cache_get_n_pages (view->page_cache); i++) {
528 get_page_extents (view, i, &page_area, &border);
530 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
532 view->start_page = i;
542 current_page = ev_page_cache_get_current_page (view->page_cache);
544 if (current_page < view->start_page || current_page > view->end_page) {
545 view->current_page = view->start_page;
546 ev_page_cache_set_current_page (view->page_cache, view->start_page);
549 if (view->dual_page) {
550 if (view->current_page % 2 == 0) {
551 view->start_page = view->current_page;
552 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache))
553 view->end_page = view->start_page + 1;
555 view->end_page = view->start_page;
557 view->start_page = view->current_page - 1;
558 view->end_page = view->current_page;
561 view->start_page = view->current_page;
562 view->end_page = view->current_page;
566 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
571 view->selection_info.selections);
575 set_scroll_adjustment (EvView *view,
576 GtkOrientation orientation,
577 GtkAdjustment *adjustment)
579 GtkAdjustment **to_set;
581 if (orientation == GTK_ORIENTATION_HORIZONTAL)
582 to_set = &view->hadjustment;
584 to_set = &view->vadjustment;
586 if (*to_set != adjustment) {
588 g_signal_handlers_disconnect_by_func (*to_set,
589 (gpointer) on_adjustment_value_changed,
591 g_object_unref (*to_set);
594 *to_set = adjustment;
595 view_set_adjustment_values (view, orientation);
598 g_object_ref (*to_set);
599 g_signal_connect (*to_set, "value_changed",
600 G_CALLBACK (on_adjustment_value_changed), view);
606 ev_view_set_scroll_adjustments (EvView *view,
607 GtkAdjustment *hadjustment,
608 GtkAdjustment *vadjustment)
610 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
611 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
613 on_adjustment_value_changed (NULL, view);
617 add_scroll_binding_keypad (GtkBindingSet *binding_set,
619 GtkScrollType scroll,
622 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
624 gtk_binding_entry_add_signal (binding_set, keyval, 0,
625 "binding_activated", 2,
626 GTK_TYPE_SCROLL_TYPE, scroll,
627 G_TYPE_BOOLEAN, horizontal);
628 gtk_binding_entry_add_signal (binding_set, keypad_keyval, 0,
629 "binding_activated", 2,
630 GTK_TYPE_SCROLL_TYPE, scroll,
631 G_TYPE_BOOLEAN, horizontal);
635 ev_view_scroll (EvView *view,
638 GtkAdjustment *adjustment;
639 double value, increment;
640 gboolean first_page = FALSE;
641 gboolean last_page = FALSE;
643 /* Assign values for increment and vertical adjustment */
644 adjustment = view->vadjustment;
645 increment = adjustment->page_size * 0.75;
646 value = adjustment->value;
648 /* Assign boolean for first and last page */
649 if (view->current_page == 0)
651 if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1)
655 case EV_SCROLL_PAGE_BACKWARD:
656 /* Do not jump backwards if at the first page */
657 if (value == (adjustment->lower) && first_page) {
659 /* At the top of a page, assign the upper bound limit of previous page */
660 } else if (value == (adjustment->lower)) {
661 value = adjustment->upper - adjustment->page_size;
662 ev_page_cache_set_current_page (view->page_cache, view->current_page - 1);
663 /* Jump to the top */
665 value = MAX (value - increment, adjustment->lower);
668 case EV_SCROLL_PAGE_FORWARD:
669 /* Do not jump forward if at the last page */
670 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
672 /* At the bottom of a page, assign the lower bound limit of next page */
673 } else if (value == (adjustment->upper - adjustment->page_size)) {
675 ev_page_cache_set_current_page (view->page_cache, view->current_page + 1);
676 /* Jump to the bottom */
678 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
685 gtk_adjustment_set_value (adjustment, value);
689 ev_view_binding_activated (EvView *view,
690 GtkScrollType scroll,
693 GtkAdjustment *adjustment;
696 if (view->presentation) {
698 case GTK_SCROLL_STEP_BACKWARD:
699 ev_view_previous_page (view);
701 case GTK_SCROLL_STEP_FORWARD:
702 ev_view_next_page (view);
711 adjustment = view->hadjustment;
713 adjustment = view->vadjustment;
716 value = adjustment->value;
719 case GTK_SCROLL_STEP_BACKWARD:
720 value -= adjustment->step_increment;
722 case GTK_SCROLL_STEP_FORWARD:
723 value += adjustment->step_increment;
729 value = CLAMP (value, adjustment->lower,
730 adjustment->upper - adjustment->page_size);
732 gtk_adjustment_set_value (adjustment, value);
738 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
740 GtkWidget *widget = GTK_WIDGET (view);
741 GtkAdjustment *adjustment;
744 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
746 adjustment = view->vadjustment;
748 if (rect->y < adjustment->value) {
749 value = MAX (adjustment->lower, rect->y - MARGIN);
750 gtk_adjustment_set_value (view->vadjustment, value);
751 } else if (rect->y + rect->height >
752 adjustment->value + widget->allocation.height) {
753 value = MIN (adjustment->upper, rect->y + rect->height -
754 widget->allocation.height + MARGIN);
755 gtk_adjustment_set_value (view->vadjustment, value);
758 adjustment = view->hadjustment;
760 if (rect->x < adjustment->value) {
761 value = MAX (adjustment->lower, rect->x - MARGIN);
762 gtk_adjustment_set_value (view->hadjustment, value);
763 } else if (rect->x + rect->height >
764 adjustment->value + widget->allocation.width) {
765 value = MIN (adjustment->upper, rect->x + rect->width -
766 widget->allocation.width + MARGIN);
767 gtk_adjustment_set_value (view->hadjustment, value);
771 /*** Geometry computations ***/
774 compute_border (EvView *view, int width, int height, GtkBorder *border)
776 if (view->presentation) {
782 ev_document_misc_get_page_border_size (width, height, border);
787 get_page_y_offset (EvView *view, int page, double zoom, int *y_offset)
789 int max_width, offset;
792 g_return_if_fail (y_offset != NULL);
794 ev_page_cache_get_max_width (view->page_cache, view->rotation, zoom, &max_width);
796 compute_border (view, max_width, max_width, &border);
798 if (view->dual_page) {
799 ev_page_cache_get_height_to_page (view->page_cache, page,
800 view->rotation, zoom, NULL, &offset);
801 offset += (page / 2 + 1) * view->spacing + (page / 2) * (border.top + border.bottom);
803 ev_page_cache_get_height_to_page (view->page_cache, page,
804 view->rotation, zoom, &offset, NULL);
805 offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
813 get_page_extents (EvView *view,
815 GdkRectangle *page_area,
821 widget = GTK_WIDGET (view);
823 /* Get the size of the page */
824 ev_page_cache_get_size (view->page_cache, page,
828 compute_border (view, width, height, border);
829 page_area->width = width + border->left + border->right;
830 page_area->height = height + border->top + border->bottom;
832 if (view->presentation) {
833 page_area->x = (MAX (0, widget->allocation.width - width))/2;
834 page_area->y = (MAX (0, widget->allocation.height - height))/2;
835 } else if (view->continuous) {
839 ev_page_cache_get_max_width (view->page_cache, view->rotation,
840 view->scale, &max_width);
841 max_width = max_width + border->left + border->right;
842 /* Get the location of the bounding box */
843 if (view->dual_page) {
844 x = view->spacing + (page % 2) * (max_width + view->spacing);
845 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
847 x = x + (max_width - width - border->left - border->right);
850 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2;
853 get_page_y_offset (view, page, view->scale, &y);
859 if (view->dual_page) {
860 gint width_2, height_2;
861 gint max_width = width;
862 gint max_height = height;
863 GtkBorder overall_border;
866 other_page = page ^ 1;
868 /* First, we get the bounding box of the two pages */
869 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
870 ev_page_cache_get_size (view->page_cache,
874 &width_2, &height_2);
877 if (height_2 > height)
878 max_height = height_2;
880 compute_border (view, max_width, max_height, &overall_border);
882 /* Find the offsets */
886 /* Adjust for being the left or right page */
888 x = x + max_width - width;
890 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
892 y = y + (max_height - height)/2;
894 /* Adjust for extra allocation */
895 x = x + MAX (0, widget->allocation.width -
896 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
897 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
902 /* Adjust for extra allocation */
903 x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
904 y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
915 view_point_to_doc_point (EvView *view,
916 GdkPoint *view_point,
917 GdkRectangle *page_area,
921 *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
922 *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
926 view_rect_to_doc_rect (EvView *view,
927 GdkRectangle *view_rect,
928 GdkRectangle *page_area,
929 EvRectangle *doc_rect)
931 doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
932 doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
933 doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
934 doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
938 doc_point_to_view_point (EvView *view,
941 GdkPoint *view_point)
943 GdkRectangle page_area;
945 double x, y, view_x, view_y;
948 ev_page_cache_get_size (view->page_cache, page,
953 if (view->rotation == 0) {
956 } else if (view->rotation == 90) {
957 x = width - doc_point->y;
959 } else if (view->rotation == 180) {
960 x = width - doc_point->x;
961 y = height - doc_point->y;
962 } else if (view->rotation == 270) {
964 y = height - doc_point->x;
966 g_assert_not_reached ();
969 get_page_extents (view, page, &page_area, &border);
971 view_x = x * view->scale;
972 view_y = y * view->scale;
973 view_point->x = view_x + page_area.x;
974 view_point->y = view_y + page_area.y;
976 return (view_x > 0 && view_x <= page_area.width &&
977 view_y > 0 && view_y <= page_area.height);
981 doc_rect_to_view_rect (EvView *view,
983 EvRectangle *doc_rect,
984 GdkRectangle *view_rect)
986 GdkRectangle page_area;
991 ev_page_cache_get_size (view->page_cache, page,
996 if (view->rotation == 0) {
999 w = doc_rect->x2 - doc_rect->x1;
1000 h = doc_rect->y2 - doc_rect->y1;
1001 } else if (view->rotation == 90) {
1002 x = width - doc_rect->y2;
1004 w = doc_rect->y2 - doc_rect->y1;
1005 h = doc_rect->x2 - doc_rect->x1;
1006 } else if (view->rotation == 180) {
1007 x = width - doc_rect->x2;
1008 y = height - doc_rect->y2;
1009 w = doc_rect->x2 - doc_rect->x1;
1010 h = doc_rect->y2 - doc_rect->y1;
1011 } else if (view->rotation == 270) {
1013 y = height - doc_rect->x2;
1014 w = doc_rect->y2 - doc_rect->y1;
1015 h = doc_rect->x2 - doc_rect->x1;
1017 g_assert_not_reached ();
1020 get_page_extents (view, page, &page_area, &border);
1022 view_rect->x = x * view->scale + page_area.x;
1023 view_rect->y = y * view->scale + page_area.y;
1024 view_rect->width = w * view->scale;
1025 view_rect->height = h * view->scale;
1029 find_page_at_location (EvView *view,
1038 if (view->document == NULL)
1042 g_assert (x_offset);
1043 g_assert (y_offset);
1045 for (i = view->start_page; i <= view->end_page; i++) {
1046 GdkRectangle page_area;
1049 if (! get_page_extents (view, i, &page_area, &border))
1052 if ((x >= page_area.x + border.left) &&
1053 (x < page_area.x + page_area.width - border.right) &&
1054 (y >= page_area.y + border.top) &&
1055 (y < page_area.y + page_area.height - border.bottom)) {
1057 *x_offset = x - (page_area.x + border.left);
1058 *y_offset = y - (page_area.y + border.top);
1067 location_in_text (EvView *view,
1073 gint x_offset = 0, y_offset = 0;
1075 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1080 region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
1083 return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
1089 ev_view_get_width (EvView *view)
1091 return GTK_WIDGET (view)->allocation.width;
1095 ev_view_get_height (EvView *view)
1097 return GTK_WIDGET (view)->allocation.height;
1102 get_link_at_location (EvView *view,
1107 gint x_offset = 0, y_offset = 0;
1108 GList *link_mapping;
1110 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1115 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1118 return ev_link_mapping_find (link_mapping, x_offset / view->scale, y_offset / view->scale);
1124 goto_fitr_link (EvView *view, EvLink *link)
1126 GdkPoint view_point;
1128 int doc_width, doc_height, page;
1131 page = ev_link_get_page (link);
1132 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1134 doc_point.x = ev_link_get_left (link);
1135 doc_point.y = ev_link_get_top (link);
1137 zoom = zoom_for_size_best_fit (ev_link_get_right (link) - ev_link_get_left (link),
1138 ev_link_get_top (link) - ev_link_get_bottom (link),
1139 ev_view_get_width (view),
1140 ev_view_get_height (view), 0, 0);
1142 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1143 ev_view_set_zoom (view, zoom, FALSE);
1144 ev_page_cache_set_current_page (view->page_cache, page);
1146 if (doc_point_to_view_point (view, page, &doc_point, &view_point)) {
1147 gtk_adjustment_set_value (view->hadjustment, view_point.x);
1148 gtk_adjustment_set_value (view->vadjustment, view_point.y);
1153 goto_fitv_link (EvView *view, EvLink *link)
1155 GdkPoint view_point;
1157 int doc_width, doc_height, page;
1160 page = ev_link_get_page (link);
1161 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1163 doc_point.x = ev_link_get_left (link);
1166 zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
1167 ev_view_get_width (view),
1168 ev_view_get_height (view), 0);
1170 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1171 ev_view_set_zoom (view, zoom, FALSE);
1172 ev_page_cache_set_current_page (view->page_cache, page);
1174 if (doc_point_to_view_point (view, page, &doc_point, &view_point)) {
1175 gtk_adjustment_set_value (view->hadjustment, view_point.x);
1180 goto_fith_link (EvView *view, EvLink *link)
1182 GdkPoint view_point;
1184 int doc_width, doc_height, page;
1187 page = ev_link_get_page (link);
1188 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1191 doc_point.y = doc_height - ev_link_get_top (link);
1193 zoom = zoom_for_size_fit_width (doc_width, ev_link_get_top (link),
1194 ev_view_get_width (view),
1195 ev_view_get_height (view), 0);
1197 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1198 ev_view_set_zoom (view, zoom, FALSE);
1200 if (doc_point_to_view_point (view, page, &doc_point, &view_point)) {
1201 gtk_adjustment_set_value (view->vadjustment, view_point.y);
1203 ev_page_cache_set_current_page (view->page_cache, page);
1208 goto_fit_link (EvView *view, EvLink *link)
1211 int doc_width, doc_height;
1214 page = ev_link_get_page (link);
1215 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
1217 zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view),
1218 ev_view_get_height (view), 0, 0);
1220 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1221 ev_view_set_zoom (view, zoom, FALSE);
1222 ev_page_cache_set_current_page (view->page_cache, page);
1226 goto_xyz_link (EvView *view, EvLink *link)
1228 GdkPoint view_point;
1233 zoom = ev_link_get_zoom (link);
1234 page = ev_link_get_page (link);
1235 ev_page_cache_get_size (view->page_cache, page, 0, 1.0, NULL, &height);
1237 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1239 ev_view_set_zoom (view, zoom, FALSE);
1242 doc_point.x = ev_link_get_left (link);
1243 doc_point.y = height - ev_link_get_top (link);
1245 if (doc_point_to_view_point (view, page, &doc_point, &view_point)) {
1246 gtk_adjustment_set_value (view->hadjustment, view_point.x);
1247 gtk_adjustment_set_value (view->vadjustment, view_point.y);
1249 ev_page_cache_set_current_page (view->page_cache, page);
1254 ev_view_goto_link (EvView *view, EvLink *link)
1259 type = ev_link_get_link_type (link);
1262 case EV_LINK_TYPE_TITLE:
1264 case EV_LINK_TYPE_PAGE:
1265 page = ev_link_get_page (link);
1266 ev_page_cache_set_current_page (view->page_cache, page);
1268 case EV_LINK_TYPE_PAGE_FIT:
1269 goto_fit_link (view, link);
1271 case EV_LINK_TYPE_PAGE_FITH:
1272 goto_fith_link (view, link);
1274 case EV_LINK_TYPE_PAGE_FITV:
1275 goto_fitv_link (view, link);
1277 case EV_LINK_TYPE_PAGE_FITR:
1278 goto_fitr_link (view, link);
1280 case EV_LINK_TYPE_PAGE_XYZ:
1281 goto_xyz_link (view, link);
1283 case EV_LINK_TYPE_EXTERNAL_URI:
1284 case EV_LINK_TYPE_LAUNCH:
1285 g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, link);
1291 tip_from_link (EvView *view, EvLink *link)
1297 type = ev_link_get_link_type (link);
1300 case EV_LINK_TYPE_TITLE:
1301 if (ev_link_get_title (link))
1302 msg = g_strdup (ev_link_get_title (link));
1304 case EV_LINK_TYPE_PAGE:
1305 case EV_LINK_TYPE_PAGE_XYZ:
1306 page_label = ev_page_cache_get_page_label (view->page_cache, ev_link_get_page (link));
1307 msg = g_strdup_printf (_("Go to page %s"), page_label);
1308 g_free (page_label);
1310 case EV_LINK_TYPE_EXTERNAL_URI:
1311 msg = g_strdup (ev_link_get_uri (link));
1321 handle_link_over_xy (EvView *view, gint x, gint y)
1325 link = get_link_at_location (view, x + view->scroll_x, y + view->scroll_y);
1327 if (view->link_tooltip == NULL) {
1328 view->link_tooltip = ev_tooltip_new (GTK_WIDGET (view));
1331 if (view->hovered_link != link) {
1332 view->hovered_link = link;
1333 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
1337 char *msg = tip_from_link (view, link);
1339 ev_tooltip_set_position (EV_TOOLTIP (view->link_tooltip), x, y);
1340 ev_tooltip_set_text (EV_TOOLTIP (view->link_tooltip), msg);
1341 ev_tooltip_activate (EV_TOOLTIP (view->link_tooltip));
1344 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1345 } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
1346 ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
1348 ev_view_set_status (view, NULL);
1349 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1350 view->cursor == EV_VIEW_CURSOR_IBEAM)
1351 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1356 /*** GtkWidget implementation ***/
1359 ev_view_size_request_continuous_dual_page (EvView *view,
1360 GtkRequisition *requisition)
1366 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1367 view->scale, &max_width);
1368 compute_border (view, max_width, max_width, &border);
1370 n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1;
1372 requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
1373 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1375 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1376 requisition->width = 1;
1377 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1378 requisition->width = 1;
1379 /* FIXME: This could actually be set on one page docs or docs
1380 * with a strange aspect ratio. */
1381 /* requisition->height = 1;*/
1386 ev_view_size_request_continuous (EvView *view,
1387 GtkRequisition *requisition)
1394 ev_page_cache_get_max_width (view->page_cache, view->rotation,
1395 view->scale, &max_width);
1396 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1397 compute_border (view, max_width, max_width, &border);
1399 requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
1400 get_page_y_offset (view, n_pages, view->scale, &requisition->height);
1402 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1403 requisition->width = 1;
1404 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1405 requisition->width = 1;
1406 /* FIXME: This could actually be set on one page docs or docs
1407 * with a strange aspect ratio. */
1408 /* requisition->height = 1;*/
1413 ev_view_size_request_dual_page (EvView *view,
1414 GtkRequisition *requisition)
1419 /* Find the largest of the two. */
1420 ev_page_cache_get_size (view->page_cache,
1425 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) {
1426 gint width_2, height_2;
1427 ev_page_cache_get_size (view->page_cache,
1428 view->current_page + 1,
1431 &width_2, &height_2);
1432 if (width_2 > width) {
1437 compute_border (view, width, height, &border);
1439 requisition->width = ((width + border.left + border.right) * 2) +
1440 (view->spacing * 3);
1441 requisition->height = (height + border.top + border.bottom) +
1442 (view->spacing * 2);
1444 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1445 requisition->width = 1;
1446 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1447 requisition->width = 1;
1448 requisition->height = 1;
1453 ev_view_size_request_single_page (EvView *view,
1454 GtkRequisition *requisition)
1459 ev_page_cache_get_size (view->page_cache,
1464 compute_border (view, width, height, &border);
1466 requisition->width = width + border.left + border.right + (2 * view->spacing);
1467 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1469 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1470 requisition->width = 1;
1471 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1472 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1473 requisition->width = 1;
1474 requisition->height = 1;
1479 ev_view_size_request (GtkWidget *widget,
1480 GtkRequisition *requisition)
1482 EvView *view = EV_VIEW (widget);
1484 if (view->document == NULL) {
1485 requisition->width = 1;
1486 requisition->height = 1;
1490 if (view->presentation) {
1491 requisition->width = 1;
1492 requisition->height = 1;
1496 if (view->continuous && view->dual_page)
1497 ev_view_size_request_continuous_dual_page (view, requisition);
1498 else if (view->continuous)
1499 ev_view_size_request_continuous (view, requisition);
1500 else if (view->dual_page)
1501 ev_view_size_request_dual_page (view, requisition);
1503 ev_view_size_request_single_page (view, requisition);
1507 ev_view_size_allocate (GtkWidget *widget,
1508 GtkAllocation *allocation)
1510 EvView *view = EV_VIEW (widget);
1512 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
1513 view->sizing_mode == EV_SIZING_BEST_FIT) {
1515 g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0);
1517 ev_view_size_request (widget, &widget->requisition);
1520 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
1521 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
1523 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
1524 view->pending_resize = FALSE;
1527 view_update_range_and_current_page (view);
1529 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
1533 ev_view_realize (GtkWidget *widget)
1535 EvView *view = EV_VIEW (widget);
1536 GdkWindowAttr attributes;
1538 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
1541 attributes.window_type = GDK_WINDOW_CHILD;
1542 attributes.wclass = GDK_INPUT_OUTPUT;
1543 attributes.visual = gtk_widget_get_visual (widget);
1544 attributes.colormap = gtk_widget_get_colormap (widget);
1546 attributes.x = widget->allocation.x;
1547 attributes.y = widget->allocation.y;
1548 attributes.width = widget->allocation.width;
1549 attributes.height = widget->allocation.height;
1550 attributes.event_mask = GDK_EXPOSURE_MASK |
1551 GDK_BUTTON_PRESS_MASK |
1552 GDK_BUTTON_RELEASE_MASK |
1554 GDK_KEY_PRESS_MASK |
1555 GDK_POINTER_MOTION_MASK |
1556 GDK_ENTER_NOTIFY_MASK |
1557 GDK_LEAVE_NOTIFY_MASK;
1559 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
1561 GDK_WA_X | GDK_WA_Y |
1564 gdk_window_set_user_data (widget->window, widget);
1565 widget->style = gtk_style_attach (widget->style, widget->window);
1567 if (view->presentation)
1568 gdk_window_set_background (widget->window, &widget->style->black);
1570 gdk_window_set_background (widget->window, &widget->style->mid [GTK_STATE_NORMAL]);
1574 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
1576 EvView *view = EV_VIEW (widget);
1579 state = event->state & gtk_accelerator_get_default_mod_mask ();
1581 if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
1582 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1584 if (event->direction == GDK_SCROLL_UP ||
1585 event->direction == GDK_SCROLL_LEFT) {
1586 if (ev_view_can_zoom_in (view)) {
1587 ev_view_zoom_in (view);
1590 if (ev_view_can_zoom_out (view)) {
1591 ev_view_zoom_out (view);
1598 /* Shift+Wheel scrolls the in the perpendicular direction */
1599 if (state & GDK_SHIFT_MASK) {
1600 if (event->direction == GDK_SCROLL_UP)
1601 event->direction = GDK_SCROLL_LEFT;
1602 if (event->direction == GDK_SCROLL_LEFT)
1603 event->direction = GDK_SCROLL_UP;
1604 if (event->direction == GDK_SCROLL_DOWN)
1605 event->direction = GDK_SCROLL_RIGHT;
1606 if (event->direction == GDK_SCROLL_RIGHT)
1607 event->direction = GDK_SCROLL_DOWN;
1609 event->state &= ~GDK_SHIFT_MASK;
1610 state &= ~GDK_SHIFT_MASK;
1613 if (state == 0 && view->presentation) {
1614 switch (event->direction) {
1615 case GDK_SCROLL_DOWN:
1616 case GDK_SCROLL_RIGHT:
1617 ev_view_next_page (view);
1620 case GDK_SCROLL_LEFT:
1621 ev_view_previous_page (view);
1631 static EvViewSelection *
1632 find_selection_for_page (EvView *view,
1637 for (list = view->selection_info.selections; list != NULL; list = list->next) {
1638 EvViewSelection *selection;
1640 selection = (EvViewSelection *) list->data;
1642 if (selection->page == page)
1650 ev_view_expose_event (GtkWidget *widget,
1651 GdkEventExpose *event)
1653 EvView *view = EV_VIEW (widget);
1656 if (view->document == NULL)
1659 for (i = view->start_page; i <= view->end_page; i++) {
1660 GdkRectangle page_area;
1663 if (!get_page_extents (view, i, &page_area, &border))
1666 page_area.x -= view->scroll_x;
1667 page_area.y -= view->scroll_y;
1669 draw_one_page (view, i, &page_area, &border, &(event->area));
1671 if (EV_IS_DOCUMENT_FIND (view->document))
1672 highlight_find_results (view, i);
1679 ev_view_button_press_event (GtkWidget *widget,
1680 GdkEventButton *event)
1682 EvView *view = EV_VIEW (widget);
1684 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
1685 gtk_widget_grab_focus (widget);
1688 view->pressed_button = event->button;
1690 switch (event->button) {
1692 if (view->selection_info.selections) {
1693 clear_selection (view);
1694 gtk_widget_queue_draw (widget);
1697 view->selection_info.start.x = event->x + view->scroll_x;
1698 view->selection_info.start.y = event->y + view->scroll_y;
1701 /* use root coordinates as reference point because
1702 * scrolling changes window relative coordinates */
1703 view->drag_info.start.x = event->x_root;
1704 view->drag_info.start.y = event->y_root;
1705 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
1706 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
1708 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1718 selection_update_idle_cb (EvView *view)
1721 point.x = view->motion_x;
1722 point.y = view->motion_y;
1723 compute_selections (view, &view->selection_info.start, &point);
1725 view->selection_update_id = 0;
1730 ev_view_motion_notify_event (GtkWidget *widget,
1731 GdkEventMotion *event)
1733 EvView *view = EV_VIEW (widget);
1735 if (!view->document)
1738 /* For the Evince 0.4.x release, we limit selection to un-rotated
1741 if (view->pressed_button == 1 &&
1742 view->rotation == 0) {
1743 view->selection_info.in_selection = TRUE;
1744 view->motion_x = event->x + view->scroll_x;
1745 view->motion_y = event->y + view->scroll_y;
1747 /* Queue an idle to handle the motion. We do this because
1748 * handling any selection events in the motion could be slower
1749 * than new motion events reach us. We always put it in the
1750 * idle to make sure we catch up and don't visibly lag the
1752 if (! view->selection_update_id)
1753 view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
1756 } else if (view->pressed_button == 2) {
1757 if (!view->drag_info.in_drag) {
1760 start = gtk_drag_check_threshold (widget,
1761 view->drag_info.start.x,
1762 view->drag_info.start.y,
1765 view->drag_info.in_drag = start;
1768 if (view->drag_info.in_drag) {
1770 gdouble dhadj_value, dvadj_value;
1772 dx = event->x_root - view->drag_info.start.x;
1773 dy = event->y_root - view->drag_info.start.y;
1775 dhadj_value = view->hadjustment->page_size *
1776 (gdouble)dx / widget->allocation.width;
1777 dvadj_value = view->vadjustment->page_size *
1778 (gdouble)dy / widget->allocation.height;
1780 /* clamp scrolling to visible area */
1781 gtk_adjustment_set_value (view->hadjustment,
1782 MIN(view->drag_info.hadj - dhadj_value,
1783 view->hadjustment->upper -
1784 view->hadjustment->page_size));
1785 gtk_adjustment_set_value (view->vadjustment,
1786 MIN(view->drag_info.vadj - dvadj_value,
1787 view->vadjustment->upper -
1788 view->vadjustment->page_size));
1792 /* For the Evince 0.4.x release, we limit links to un-rotated documents
1795 } else if (view->pressed_button <= 0 &&
1796 view->rotation == 0) {
1797 handle_link_over_xy (view, event->x, event->y);
1805 ev_view_button_release_event (GtkWidget *widget,
1806 GdkEventButton *event)
1808 EvView *view = EV_VIEW (widget);
1811 if (view->pressed_button == 2) {
1812 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1815 if (view->document) {
1816 link = get_link_at_location (view, event->x + view->scroll_x,
1817 event->y + view->scroll_y);
1822 view->pressed_button = -1;
1823 view->drag_info.in_drag = FALSE;
1825 if (view->selection_info.selections) {
1826 ev_view_update_primary_selection (view);
1828 ev_view_goto_link (view, link);
1829 } else if (view->presentation) {
1830 switch (event->button) {
1832 ev_view_next_page (view);
1835 ev_view_previous_page (view);
1844 ev_view_focus_in (GtkWidget *widget,
1845 GdkEventFocus *event)
1847 if (EV_VIEW (widget)->pixbuf_cache)
1848 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
1849 gtk_widget_queue_draw (widget);
1855 ev_view_focus_out (GtkWidget *widget,
1856 GdkEventFocus *event)
1858 if (EV_VIEW (widget)->pixbuf_cache)
1859 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
1860 gtk_widget_queue_draw (widget);
1866 ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
1868 EvView *view = EV_VIEW (widget);
1870 ev_view_set_status (view, NULL);
1872 if (view->cursor == EV_VIEW_CURSOR_LINK ||
1873 view->cursor == EV_VIEW_CURSOR_IBEAM)
1874 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1876 if (view->link_tooltip) {
1877 view->hovered_link = NULL;
1878 ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
1885 ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
1887 EvView *view = EV_VIEW (widget);
1889 handle_link_over_xy (view, event->x, event->y);
1895 ev_view_style_set (GtkWidget *widget,
1896 GtkStyle *old_style)
1898 if (EV_VIEW (widget)->pixbuf_cache)
1899 ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
1901 GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
1908 ev_gdk_color_to_rgb (const GdkColor *color)
1911 result = (0xff0000 | (color->red & 0xff00));
1913 result |= ((color->green & 0xff00) | (color->blue >> 8));
1918 draw_rubberband (GtkWidget *widget, GdkWindow *window,
1919 const GdkRectangle *rect, guchar alpha)
1923 GdkColor *fill_color_gdk;
1926 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
1927 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
1929 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
1930 rect->width, rect->height);
1931 gdk_pixbuf_fill (pixbuf, fill_color);
1933 gdk_draw_pixbuf (window, NULL, pixbuf,
1935 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
1936 rect->width, rect->height,
1937 GDK_RGB_DITHER_NONE,
1940 g_object_unref (pixbuf);
1942 gc = gdk_gc_new (window);
1943 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
1944 gdk_draw_rectangle (window, gc, FALSE,
1945 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
1948 g_object_unref (gc);
1950 gdk_color_free (fill_color_gdk);
1955 highlight_find_results (EvView *view, int page)
1957 EvDocumentFind *find;
1960 g_return_if_fail (EV_IS_DOCUMENT_FIND (view->document));
1962 find = EV_DOCUMENT_FIND (view->document);
1964 results = ev_document_find_get_n_results (find, page);
1966 for (i = 0; i < results; i++) {
1967 EvRectangle rectangle;
1968 GdkRectangle view_rectangle;
1971 if (i == view->find_result && page == view->find_page) {
1977 ev_document_find_get_result (find, page, i, &rectangle);
1978 doc_rect_to_view_rect (view, page, &rectangle, &view_rectangle);
1979 draw_rubberband (GTK_WIDGET (view), GTK_WIDGET(view)->window,
1980 &view_rectangle, alpha);
1985 draw_loading_text (EvView *view,
1986 GdkRectangle *page_area,
1987 GdkRectangle *expose_area)
1989 PangoLayout *layout;
1990 PangoFontDescription *font_desc;
1991 PangoRectangle logical_rect;
1995 const char *loading_text = _("Loading...");
1997 layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
1999 font_desc = pango_font_description_new ();
2002 /* We set the font to be 10 points, get the size, and scale appropriately */
2003 pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
2004 pango_layout_set_font_description (layout, font_desc);
2005 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2007 /* Make sure we fit the middle of the page */
2008 target_width = MAX (page_area->width / 2, 1);
2009 real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
2010 pango_font_description_set_size (font_desc, (int)real_scale);
2011 pango_layout_set_font_description (layout, font_desc);
2012 pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
2014 gtk_paint_layout (GTK_WIDGET (view)->style,
2015 GTK_WIDGET (view)->window,
2016 GTK_WIDGET_STATE (view),
2021 page_area->x + (target_width/2),
2022 page_area->y + (page_area->height - logical_rect.height) / 2,
2025 pango_font_description_free (font_desc);
2026 g_object_unref (layout);
2030 draw_one_page (EvView *view,
2032 GdkRectangle *page_area,
2034 GdkRectangle *expose_area)
2037 GdkPixbuf *current_pixbuf;
2038 GdkRectangle overlap;
2039 GdkRectangle real_page_area;
2040 EvViewSelection *selection;
2042 g_assert (view->document);
2043 if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
2046 selection = find_selection_for_page (view, page);
2047 ev_page_cache_get_size (view->page_cache,
2048 page, view->rotation,
2051 /* Render the document itself */
2052 real_page_area = *page_area;
2054 real_page_area.x += border->left;
2055 real_page_area.y += border->top;
2056 real_page_area.width -= (border->left + border->right);
2057 real_page_area.height -= (border->top + border->bottom);
2059 ev_document_misc_paint_one_page (GTK_WIDGET(view)->window,
2063 if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
2064 GdkPixbuf *selection_pixbuf = NULL;
2065 GdkPixbuf *scaled_image;
2066 GdkPixbuf *scaled_selection;
2068 current_pixbuf = ev_pixbuf_cache_get_pixbuf (view->pixbuf_cache, page);
2070 /* Get the selection pixbuf iff we have something to draw */
2071 if (current_pixbuf && view->selection_mode == EV_VIEW_SELECTION_TEXT && selection)
2072 selection_pixbuf = ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
2077 if (current_pixbuf == NULL)
2078 scaled_image = NULL;
2079 else if (width == gdk_pixbuf_get_width (current_pixbuf) &&
2080 height == gdk_pixbuf_get_height (current_pixbuf))
2081 scaled_image = g_object_ref (current_pixbuf);
2083 /* FIXME: We don't want to scale the whole area, just the right
2085 scaled_image = gdk_pixbuf_scale_simple (current_pixbuf,
2087 GDK_INTERP_NEAREST);
2089 if (selection_pixbuf == NULL)
2090 scaled_selection = NULL;
2091 else if (width == gdk_pixbuf_get_width (selection_pixbuf) &&
2092 height == gdk_pixbuf_get_height (selection_pixbuf))
2093 scaled_selection = g_object_ref (selection_pixbuf);
2095 /* FIXME: We don't want to scale the whole area, just the right
2097 scaled_selection = gdk_pixbuf_scale_simple (selection_pixbuf,
2099 GDK_INTERP_NEAREST);
2102 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2103 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2105 overlap.x - real_page_area.x,
2106 overlap.y - real_page_area.y,
2107 overlap.x, overlap.y,
2108 overlap.width, overlap.height,
2109 GDK_RGB_DITHER_NORMAL,
2111 g_object_unref (scaled_image);
2113 draw_loading_text (view,
2118 if (scaled_selection) {
2119 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
2120 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
2122 overlap.x - real_page_area.x,
2123 overlap.y - real_page_area.y,
2124 overlap.x, overlap.y,
2125 overlap.width, overlap.height,
2126 GDK_RGB_DITHER_NORMAL,
2128 g_object_unref (scaled_selection);
2133 /*** GObject functions ***/
2136 ev_view_finalize (GObject *object)
2138 EvView *view = EV_VIEW (object);
2142 g_free (view->status);
2143 g_free (view->find_status);
2145 clear_selection (view);
2147 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
2151 ev_view_destroy (GtkObject *object)
2153 EvView *view = EV_VIEW (object);
2155 if (view->document) {
2156 g_object_unref (view->document);
2157 view->document = NULL;
2160 if (view->pixbuf_cache) {
2161 g_object_unref (view->pixbuf_cache);
2162 view->pixbuf_cache = NULL;
2165 if (view->link_tooltip) {
2166 gtk_widget_destroy (view->link_tooltip);
2169 ev_view_set_scroll_adjustments (view, NULL, NULL);
2171 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
2175 ev_view_set_property (GObject *object,
2177 const GValue *value,
2180 EvView *view = EV_VIEW (object);
2184 case PROP_CONTINUOUS:
2185 ev_view_set_continuous (view, g_value_get_boolean (value));
2187 case PROP_DUAL_PAGE:
2188 ev_view_set_dual_page (view, g_value_get_boolean (value));
2190 case PROP_FULLSCREEN:
2191 ev_view_set_fullscreen (view, g_value_get_boolean (value));
2193 case PROP_PRESENTATION:
2194 ev_view_set_presentation (view, g_value_get_boolean (value));
2196 case PROP_SIZING_MODE:
2197 ev_view_set_sizing_mode (view, g_value_get_enum (value));
2200 ev_view_set_zoom (view, g_value_get_double (value), FALSE);
2203 ev_view_set_rotation (view, g_value_get_int (value));
2206 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2211 ev_view_get_property (GObject *object,
2216 EvView *view = EV_VIEW (object);
2221 g_value_set_string (value, view->status);
2223 case PROP_FIND_STATUS:
2224 g_value_set_string (value, view->status);
2226 case PROP_CONTINUOUS:
2227 g_value_set_boolean (value, view->continuous);
2229 case PROP_DUAL_PAGE:
2230 g_value_set_boolean (value, view->dual_page);
2232 case PROP_FULLSCREEN:
2233 g_value_set_boolean (value, view->fullscreen);
2235 case PROP_PRESENTATION:
2236 g_value_set_boolean (value, view->presentation);
2238 case PROP_SIZING_MODE:
2239 g_value_set_enum (value, view->sizing_mode);
2242 g_value_set_double (value, view->scale);
2245 g_value_set_int (value, view->rotation);
2248 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
2253 ev_view_class_init (EvViewClass *class)
2255 GObjectClass *object_class = G_OBJECT_CLASS (class);
2256 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
2257 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
2258 GtkBindingSet *binding_set;
2260 object_class->finalize = ev_view_finalize;
2261 object_class->set_property = ev_view_set_property;
2262 object_class->get_property = ev_view_get_property;
2264 widget_class->expose_event = ev_view_expose_event;
2265 widget_class->button_press_event = ev_view_button_press_event;
2266 widget_class->motion_notify_event = ev_view_motion_notify_event;
2267 widget_class->button_release_event = ev_view_button_release_event;
2268 widget_class->focus_in_event = ev_view_focus_in;
2269 widget_class->focus_out_event = ev_view_focus_out;
2270 widget_class->size_request = ev_view_size_request;
2271 widget_class->size_allocate = ev_view_size_allocate;
2272 widget_class->realize = ev_view_realize;
2273 widget_class->scroll_event = ev_view_scroll_event;
2274 widget_class->enter_notify_event = ev_view_enter_notify_event;
2275 widget_class->leave_notify_event = ev_view_leave_notify_event;
2276 widget_class->style_set = ev_view_style_set;
2277 gtk_object_class->destroy = ev_view_destroy;
2279 class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
2280 class->binding_activated = ev_view_binding_activated;
2282 widget_class->set_scroll_adjustments_signal =
2283 g_signal_new ("set-scroll-adjustments",
2284 G_OBJECT_CLASS_TYPE (object_class),
2285 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2286 G_STRUCT_OFFSET (EvViewClass, set_scroll_adjustments),
2288 ev_marshal_VOID__OBJECT_OBJECT,
2290 GTK_TYPE_ADJUSTMENT,
2291 GTK_TYPE_ADJUSTMENT);
2293 signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
2294 G_TYPE_FROM_CLASS (object_class),
2295 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2296 G_STRUCT_OFFSET (EvViewClass, binding_activated),
2298 ev_marshal_VOID__ENUM_BOOLEAN,
2300 GTK_TYPE_SCROLL_TYPE,
2303 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
2304 G_TYPE_FROM_CLASS (object_class),
2305 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2306 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
2308 ev_marshal_VOID__VOID,
2309 G_TYPE_NONE, 0, G_TYPE_NONE);
2310 signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
2311 G_TYPE_FROM_CLASS (object_class),
2312 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
2313 G_STRUCT_OFFSET (EvViewClass, external_link),
2315 g_cclosure_marshal_VOID__OBJECT,
2319 g_object_class_install_property (object_class,
2321 g_param_spec_string ("status",
2323 "The status message",
2327 g_object_class_install_property (object_class,
2329 g_param_spec_string ("find-status",
2330 "Find Status Message",
2331 "The find status message",
2335 g_object_class_install_property (object_class,
2337 g_param_spec_boolean ("continuous",
2339 "Continuous scrolling mode",
2341 G_PARAM_READWRITE));
2343 g_object_class_install_property (object_class,
2345 g_param_spec_boolean ("dual-page",
2347 "Two pages visible at once",
2349 G_PARAM_READWRITE));
2350 g_object_class_install_property (object_class,
2352 g_param_spec_boolean ("fullscreen",
2354 "Draw page in a fullscreen fashion",
2356 G_PARAM_READWRITE));
2357 g_object_class_install_property (object_class,
2359 g_param_spec_boolean ("presentation",
2361 "Draw page in presentation mode",
2363 G_PARAM_READWRITE));
2365 g_object_class_install_property (object_class,
2367 g_param_spec_enum ("sizing-mode",
2370 EV_TYPE_SIZING_MODE,
2371 EV_SIZING_FIT_WIDTH,
2372 G_PARAM_READWRITE));
2374 g_object_class_install_property (object_class,
2376 g_param_spec_double ("zoom",
2382 G_PARAM_READWRITE));
2383 g_object_class_install_property (object_class,
2385 g_param_spec_double ("rotation",
2391 G_PARAM_READWRITE));
2393 binding_set = gtk_binding_set_by_class (class);
2395 add_scroll_binding_keypad (binding_set, GDK_Left, GTK_SCROLL_STEP_BACKWARD, TRUE);
2396 add_scroll_binding_keypad (binding_set, GDK_Right, GTK_SCROLL_STEP_FORWARD, TRUE);
2397 add_scroll_binding_keypad (binding_set, GDK_Up, GTK_SCROLL_STEP_BACKWARD, FALSE);
2398 add_scroll_binding_keypad (binding_set, GDK_Down, GTK_SCROLL_STEP_FORWARD, FALSE);
2402 ev_view_init (EvView *view)
2404 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
2408 view->current_page = 0;
2409 view->pressed_button = -1;
2410 view->cursor = EV_VIEW_CURSOR_NORMAL;
2411 view->drag_info.in_drag = FALSE;
2412 view->selection_info.in_selection = FALSE;
2413 view->selection_mode = EV_VIEW_SELECTION_TEXT;
2414 view->continuous = TRUE;
2415 view->dual_page = FALSE;
2416 view->presentation = FALSE;
2417 view->fullscreen = FALSE;
2418 view->sizing_mode = EV_SIZING_FIT_WIDTH;
2419 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
2425 find_changed_cb (EvDocument *document, int page, EvView *view)
2427 jump_to_find_page (view, EV_VIEW_FIND_NEXT);
2428 jump_to_find_result (view);
2429 update_find_status_message (view);
2431 if (view->current_page == page)
2432 gtk_widget_queue_draw (GTK_WIDGET (view));
2436 job_finished_cb (EvPixbufCache *pixbuf_cache,
2439 gtk_widget_queue_draw (GTK_WIDGET (view));
2443 page_changed_cb (EvPageCache *page_cache,
2447 if (view->current_page != new_page) {
2449 view->current_page = new_page;
2450 view->pending_scroll = SCROLL_TO_CURRENT_PAGE;
2451 gtk_widget_queue_resize (GTK_WIDGET (view));
2453 if (EV_IS_DOCUMENT_FIND (view->document)) {
2454 view->find_page = new_page;
2455 view->find_result = 0;
2456 update_find_status_message (view);
2461 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
2466 if (! GTK_WIDGET_REALIZED (view))
2469 if (view->hadjustment) {
2470 dx = view->scroll_x - (int) view->hadjustment->value;
2471 view->scroll_x = (int) view->hadjustment->value;
2476 if (view->vadjustment) {
2477 dy = view->scroll_y - (int) view->vadjustment->value;
2478 view->scroll_y = (int) view->vadjustment->value;
2484 if (view->pending_resize)
2485 gtk_widget_queue_draw (GTK_WIDGET (view));
2487 gdk_window_scroll (GTK_WIDGET (view)->window, dx, dy);
2491 view_update_range_and_current_page (view);
2499 view = g_object_new (EV_TYPE_VIEW, NULL);
2505 setup_caches (EvView *view)
2507 view->page_cache = ev_page_cache_get (view->document);
2508 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
2509 view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
2510 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
2514 clear_caches (EvView *view)
2516 if (view->pixbuf_cache) {
2517 g_object_unref (view->pixbuf_cache);
2518 view->pixbuf_cache = NULL;
2521 if (view->page_cache) {
2522 view->page_cache = NULL;
2527 ev_view_set_document (EvView *view,
2528 EvDocument *document)
2530 g_return_if_fail (EV_IS_VIEW (view));
2532 if (document != view->document) {
2533 clear_caches (view);
2535 if (view->document) {
2536 g_signal_handlers_disconnect_by_func (view->document,
2539 g_object_unref (view->document);
2540 view->page_cache = NULL;
2544 view->document = document;
2545 view->find_page = 0;
2546 view->find_result = 0;
2548 if (view->document) {
2549 g_object_ref (view->document);
2550 if (EV_IS_DOCUMENT_FIND (view->document)) {
2551 g_signal_connect (view->document,
2553 G_CALLBACK (find_changed_cb),
2557 setup_caches (view);
2560 gtk_widget_queue_resize (GTK_WIDGET (view));
2564 /*** Zoom and sizing mode ***/
2566 #define EPSILON 0.0000001
2568 ev_view_set_zoom (EvView *view,
2575 scale = view->scale * factor;
2579 scale = CLAMP (scale, MIN_SCALE, MAX_SCALE);
2581 if (ABS (view->scale - scale) < EPSILON)
2584 view->scale = scale;
2585 view->pending_resize = TRUE;
2587 gtk_widget_queue_resize (GTK_WIDGET (view));
2589 g_object_notify (G_OBJECT (view), "zoom");
2593 ev_view_get_zoom (EvView *view)
2599 ev_view_get_continuous (EvView *view)
2601 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2603 return view->continuous;
2607 ev_view_set_continuous (EvView *view,
2608 gboolean continuous)
2610 g_return_if_fail (EV_IS_VIEW (view));
2612 continuous = continuous != FALSE;
2614 if (view->continuous != continuous) {
2615 view->continuous = continuous;
2616 view->pending_scroll = SCROLL_TO_CURRENT_PAGE;
2617 gtk_widget_queue_resize (GTK_WIDGET (view));
2620 g_object_notify (G_OBJECT (view), "continuous");
2624 ev_view_get_dual_page (EvView *view)
2626 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2628 return view->dual_page;
2632 ev_view_set_dual_page (EvView *view,
2635 g_return_if_fail (EV_IS_VIEW (view));
2637 dual_page = dual_page != FALSE;
2639 if (view->dual_page == dual_page)
2642 view->pending_scroll = SCROLL_TO_CURRENT_PAGE;
2643 view->dual_page = dual_page;
2644 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
2645 * preload_cache_size to be 2 if dual_page is set.
2647 gtk_widget_queue_resize (GTK_WIDGET (view));
2649 g_object_notify (G_OBJECT (view), "dual-page");
2653 ev_view_set_fullscreen (EvView *view,
2654 gboolean fullscreen)
2656 g_return_if_fail (EV_IS_VIEW (view));
2658 fullscreen = fullscreen != FALSE;
2660 if (view->fullscreen == fullscreen)
2663 view->fullscreen = fullscreen;
2664 gtk_widget_queue_resize (GTK_WIDGET (view));
2666 g_object_notify (G_OBJECT (view), "fullscreen");
2670 ev_view_get_fullscreen (EvView *view)
2672 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2674 return view->fullscreen;
2678 ev_view_set_presentation (EvView *view,
2679 gboolean presentation)
2681 g_return_if_fail (EV_IS_VIEW (view));
2683 presentation = presentation != FALSE;
2685 if (view->presentation == presentation)
2688 view->presentation = presentation;
2689 view->pending_scroll = SCROLL_TO_CURRENT_PAGE;
2690 gtk_widget_queue_resize (GTK_WIDGET (view));
2692 if (GTK_WIDGET_REALIZED (view)) {
2693 if (view->presentation)
2694 gdk_window_set_background (GTK_WIDGET(view)->window,
2695 >K_WIDGET (view)->style->black);
2697 gdk_window_set_background (GTK_WIDGET(view)->window,
2698 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
2702 g_object_notify (G_OBJECT (view), "presentation");
2706 ev_view_get_presentation (EvView *view)
2708 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2710 return view->presentation;
2714 ev_view_set_sizing_mode (EvView *view,
2715 EvSizingMode sizing_mode)
2717 g_return_if_fail (EV_IS_VIEW (view));
2719 if (view->sizing_mode == sizing_mode)
2722 view->sizing_mode = sizing_mode;
2723 gtk_widget_queue_resize (GTK_WIDGET (view));
2725 g_object_notify (G_OBJECT (view), "sizing-mode");
2729 ev_view_get_sizing_mode (EvView *view)
2731 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
2733 return view->sizing_mode;
2737 ev_view_can_zoom_in (EvView *view)
2739 return view->scale * ZOOM_IN_FACTOR <= MAX_SCALE;
2743 ev_view_can_zoom_out (EvView *view)
2745 return view->scale * ZOOM_OUT_FACTOR >= MIN_SCALE;
2749 ev_view_zoom_in (EvView *view)
2751 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
2753 view->pending_scroll = SCROLL_TO_CENTER;
2754 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
2758 ev_view_zoom_out (EvView *view)
2760 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
2762 view->pending_scroll = SCROLL_TO_CENTER;
2763 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
2767 ev_view_rotate_right (EvView *view)
2769 int rotation = view->rotation + 90;
2771 if (rotation >= 360) {
2775 ev_view_set_rotation (view, rotation);
2779 ev_view_rotate_left (EvView *view)
2781 int rotation = view->rotation - 90;
2787 ev_view_set_rotation (view, rotation);
2791 ev_view_set_rotation (EvView *view, int rotation)
2793 view->rotation = rotation;
2795 if (view->pixbuf_cache) {
2796 ev_pixbuf_cache_clear (view->pixbuf_cache);
2797 gtk_widget_queue_resize (GTK_WIDGET (view));
2801 clear_selection (view);
2803 g_object_notify (G_OBJECT (view), "rotation");
2807 ev_view_get_rotation (EvView *view)
2809 return view->rotation;
2813 zoom_for_size_fit_width (int doc_width,
2821 scale = (double)target_width / doc_width;
2823 if (doc_height * scale > target_height)
2824 scale = (double) (target_width - vsb_width) / doc_width;
2830 zoom_for_size_fit_height (int doc_width,
2838 scale = (double)target_height / doc_height;
2840 if (doc_width * scale > target_width)
2841 scale = (double) (target_height - vsb_height) / doc_height;
2847 zoom_for_size_best_fit (int doc_width,
2857 w_scale = (double)target_width / doc_width;
2858 h_scale = (double)target_height / doc_height;
2860 if (doc_height * w_scale > target_height)
2861 w_scale = (double) (target_width - vsb_width) / doc_width;
2862 if (doc_width * h_scale > target_width)
2863 h_scale = (double) (target_height - hsb_width) / doc_height;
2865 return MIN (w_scale, h_scale);
2870 ev_view_zoom_for_size_presentation (EvView *view,
2874 int doc_width, doc_height;
2877 ev_page_cache_get_size (view->page_cache,
2883 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
2884 ev_view_set_zoom (view, scale, FALSE);
2888 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
2894 int doc_width, doc_height;
2898 ev_page_cache_get_max_width (view->page_cache,
2902 ev_page_cache_get_max_height (view->page_cache,
2906 compute_border (view, doc_width, doc_height, &border);
2908 doc_width = doc_width * 2;
2909 width -= (2 * (border.left + border.right) + 3 * view->spacing);
2910 height -= (border.top + border.bottom + 2 * view->spacing - 1);
2912 /* FIXME: We really need to calculate the overall height here, not the
2913 * page height. We assume there's always a vertical scrollbar for
2914 * now. We need to fix this. */
2915 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
2916 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
2917 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
2918 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
2920 g_assert_not_reached ();
2922 ev_view_set_zoom (view, scale, FALSE);
2926 ev_view_zoom_for_size_continuous (EvView *view,
2932 int doc_width, doc_height;
2936 ev_page_cache_get_max_width (view->page_cache,
2940 ev_page_cache_get_max_height (view->page_cache,
2944 compute_border (view, doc_width, doc_height, &border);
2946 width -= (border.left + border.right + 2 * view->spacing);
2947 height -= (border.top + border.bottom + 2 * view->spacing - 1);
2949 /* FIXME: We really need to calculate the overall height here, not the
2950 * page height. We assume there's always a vertical scrollbar for
2951 * now. We need to fix this. */
2952 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
2953 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
2954 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
2955 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
2957 g_assert_not_reached ();
2959 ev_view_set_zoom (view, scale, FALSE);
2963 ev_view_zoom_for_size_dual_page (EvView *view,
2970 gint doc_width, doc_height;
2974 other_page = view->current_page ^ 1;
2976 /* Find the largest of the two. */
2977 ev_page_cache_get_size (view->page_cache,
2981 &doc_width, &doc_height);
2983 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
2984 gint width_2, height_2;
2985 ev_page_cache_get_size (view->page_cache,
2989 &width_2, &height_2);
2990 if (width_2 > doc_width)
2991 doc_width = width_2;
2992 if (height_2 > doc_height)
2993 doc_height = height_2;
2995 compute_border (view, doc_width, doc_height, &border);
2997 doc_width = doc_width * 2;
2998 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
2999 height -= (border.top + border.bottom + 2 * view->spacing);
3001 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3002 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3003 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3004 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3006 g_assert_not_reached ();
3008 ev_view_set_zoom (view, scale, FALSE);
3012 ev_view_zoom_for_size_single_page (EvView *view,
3018 int doc_width, doc_height;
3022 ev_page_cache_get_size (view->page_cache,
3028 /* Get an approximate border */
3029 compute_border (view, width, height, &border);
3031 width -= (border.left + border.right + 2 * view->spacing);
3032 height -= (border.top + border.bottom + 2 * view->spacing);
3034 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
3035 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
3036 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
3037 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
3039 g_assert_not_reached ();
3041 ev_view_set_zoom (view, scale, FALSE);
3045 ev_view_set_zoom_for_size (EvView *view,
3051 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
3052 view->sizing_mode == EV_SIZING_BEST_FIT);
3053 g_return_if_fail (width >= 0);
3054 g_return_if_fail (height >= 0);
3056 if (view->document == NULL)
3059 if (view->presentation)
3060 ev_view_zoom_for_size_presentation (view, width, height);
3061 else if (view->continuous && view->dual_page)
3062 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
3063 else if (view->continuous)
3064 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
3065 else if (view->dual_page)
3066 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
3068 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
3071 /*** Status text messages ***/
3074 ev_view_get_status (EvView *view)
3076 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3078 return view->status;
3082 ev_view_set_status (EvView *view, const char *message)
3084 g_return_if_fail (EV_IS_VIEW (view));
3086 if (message != view->status) {
3087 g_free (view->status);
3088 view->status = g_strdup (message);
3089 g_object_notify (G_OBJECT (view), "status");
3094 update_find_status_message (EvView *view)
3098 if (view->current_page == view->find_page) {
3101 results = ev_document_find_get_n_results
3102 (EV_DOCUMENT_FIND (view->document),
3103 view->current_page);
3104 /* TRANS: Sometimes this could be better translated as
3105 "%d hit(s) on this page". Therefore this string
3106 contains plural cases. */
3107 message = g_strdup_printf (ngettext ("%d found on this page",
3108 "%d found on this page",
3114 percent = ev_document_find_get_progress
3115 (EV_DOCUMENT_FIND (view->document));
3116 if (percent >= (1.0 - 1e-10)) {
3117 message = g_strdup (_("Not found"));
3119 message = g_strdup_printf (_("%3d%% remaining to search"),
3120 (int) ((1.0 - percent) * 100));
3124 ev_view_set_find_status (view, message);
3129 ev_view_get_find_status (EvView *view)
3131 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
3133 return view->find_status;
3137 ev_view_set_find_status (EvView *view, const char *message)
3139 g_return_if_fail (EV_IS_VIEW (view));
3141 g_free (view->find_status);
3142 view->find_status = g_strdup (message);
3143 g_object_notify (G_OBJECT (view), "find-status");
3149 jump_to_find_result (EvView *view)
3151 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3153 GdkRectangle view_rect;
3155 int page = view->find_page;
3157 n_results = ev_document_find_get_n_results (find, page);
3159 if (n_results > 0 && view->find_result < n_results) {
3160 ev_document_find_get_result
3161 (find, page, view->find_result, &rect);
3163 doc_rect_to_view_rect (view, page, &rect, &view_rect);
3164 ensure_rectangle_is_visible (view, &view_rect);
3169 jump_to_find_page (EvView *view, EvViewFindDirection direction)
3173 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3175 for (i = 0; i < n_pages; i++) {
3179 if (direction == EV_VIEW_FIND_NEXT)
3180 page = view->find_page + i;
3182 page = view->find_page - i;
3185 if (page >= n_pages) {
3186 page = page - n_pages;
3189 page = page + n_pages;
3191 has_results = ev_document_find_page_has_results
3192 (EV_DOCUMENT_FIND (view->document), page);
3193 if (has_results == -1) {
3194 view->find_page = page;
3196 } else if (has_results == 1) {
3197 ev_page_cache_set_current_page (view->page_cache, page);
3204 ev_view_can_find_next (EvView *view)
3206 if (EV_IS_DOCUMENT_FIND (view->document)) {
3207 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3210 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3211 for (i = 0; i < n_pages; i++) {
3212 if (ev_document_find_get_n_results (find, i) > 0) {
3222 ev_view_find_next (EvView *view)
3224 int n_results, n_pages;
3225 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3227 n_results = ev_document_find_get_n_results (find, view->current_page);
3229 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3231 view->find_result++;
3233 if (view->find_result >= n_results) {
3235 view->find_result = 0;
3237 if (view->find_page >= n_pages) {
3238 view->find_page = 0;
3241 jump_to_find_page (view, EV_VIEW_FIND_NEXT);
3242 jump_to_find_result (view);
3244 jump_to_find_result (view);
3245 gtk_widget_queue_draw (GTK_WIDGET (view));
3250 ev_view_find_previous (EvView *view)
3252 int n_results, n_pages;
3253 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
3254 EvPageCache *page_cache;
3256 page_cache = ev_page_cache_get (view->document);
3258 n_results = ev_document_find_get_n_results (find, view->current_page);
3260 n_pages = ev_page_cache_get_n_pages (page_cache);
3262 view->find_result--;
3264 if (view->find_result < 0) {
3267 if (view->find_page < 0) {
3268 view->find_page = n_pages - 1;
3271 jump_to_find_page (view, EV_VIEW_FIND_PREV);
3272 view->find_result = ev_document_find_get_n_results (find, view->current_page) - 1;
3273 jump_to_find_result (view);
3275 jump_to_find_result (view);
3276 gtk_widget_queue_draw (GTK_WIDGET (view));
3280 /*** Selections ***/
3282 /* compute_new_selection_rect/text calculates the area currently selected by
3283 * view_rect. each handles a different mode;
3286 compute_new_selection_rect (EvView *view,
3290 GdkRectangle view_rect;
3294 g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
3296 view_rect.x = MIN (start->x, stop->x);
3297 view_rect.y = MIN (start->y, stop->y);
3298 view_rect.width = MAX (start->x, stop->x) - view_rect.x;
3299 view_rect.width = MAX (start->y, stop->y) - view_rect.y;
3301 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3303 for (i = 0; i < n_pages; i++) {
3304 GdkRectangle page_area;
3307 if (get_page_extents (view, i, &page_area, &border)) {
3308 GdkRectangle overlap;
3310 if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
3311 EvViewSelection *selection;
3313 selection = g_new0 (EvViewSelection, 1);
3314 selection->page = i;
3315 view_rect_to_doc_rect (view, &overlap, &page_area,
3316 &(selection->rect));
3318 list = g_list_append (list, selection);
3327 gdk_rectangle_point_in (GdkRectangle *rectangle,
3330 return rectangle->x <= point->x &&
3331 rectangle->y <= point->y &&
3332 point->x < rectangle->x + rectangle->width &&
3333 point->y < rectangle->y + rectangle->height;
3337 compute_new_selection_text (EvView *view,
3341 int n_pages, i, first, last;
3343 EvViewSelection *selection;
3345 int start_page, end_page;
3347 g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
3349 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3351 /* First figure out the range of pages the selection
3355 if (view->continuous) {
3358 } else if (view->dual_page) {
3359 start_page = view->start_page;
3360 end_page = view->end_page + 1;
3362 start_page = view->current_page;
3363 end_page = view->current_page + 1;
3366 for (i = start_page; i < end_page; i++) {
3367 GdkRectangle page_area;
3370 get_page_extents (view, i, &page_area, &border);
3371 if (gdk_rectangle_point_in (&page_area, start) ||
3372 gdk_rectangle_point_in (&page_area, stop)) {
3373 if (first == n_pages)
3382 /* Now create a list of EvViewSelection's for the affected
3383 * pages. This could be an empty list, a list of just one
3384 * page or a number of pages.*/
3385 for (i = first; i < last + 1; i++) {
3386 GdkRectangle page_area;
3390 ev_page_cache_get_size (view->page_cache, i,
3392 1.0, &width, &height);
3394 selection = g_new0 (EvViewSelection, 1);
3395 selection->page = i;
3396 selection->rect.x1 = selection->rect.y1 = 0;
3397 selection->rect.x2 = width;
3398 selection->rect.y2 = height;
3400 get_page_extents (view, i, &page_area, &border);
3402 if (gdk_rectangle_point_in (&page_area, start))
3408 view_point_to_doc_point (view, point, &page_area,
3409 &selection->rect.x1,
3410 &selection->rect.y1);
3412 /* If the selection is contained within just one page,
3413 * make sure we don't write 'start' into both points
3414 * in selection->rect. */
3419 view_point_to_doc_point (view, point, &page_area,
3420 &selection->rect.x2,
3421 &selection->rect.y2);
3423 list = g_list_append (list, selection);
3429 /* This function takes the newly calculated list, and figures out which regions
3430 * have changed. It then queues a redraw approporiately.
3433 merge_selection_region (EvView *view,
3437 GList *new_list_ptr, *old_list_ptr;
3439 /* Update the selection */
3440 old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
3441 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
3442 view->selection_info.selections = new_list;
3443 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
3445 new_list_ptr = new_list;
3446 old_list_ptr = old_list;
3448 while (new_list_ptr || old_list_ptr) {
3449 EvViewSelection *old_sel, *new_sel;
3451 GdkRegion *region = NULL;
3453 new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
3454 old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
3456 /* Assume that the lists are in order, and we run through them
3457 * comparing them, one page at a time. We come out with the
3458 * first page we see. */
3459 if (new_sel && old_sel) {
3460 if (new_sel->page < old_sel->page) {
3461 new_list_ptr = new_list_ptr->next;
3463 } else if (new_sel->page > old_sel->page) {
3464 old_list_ptr = old_list_ptr->next;
3467 new_list_ptr = new_list_ptr->next;
3468 old_list_ptr = old_list_ptr->next;
3470 } else if (new_sel) {
3471 new_list_ptr = new_list_ptr->next;
3472 } else if (old_sel) {
3473 old_list_ptr = old_list_ptr->next;
3476 g_assert (new_sel || old_sel);
3478 /* is the page we're looking at on the screen?*/
3479 cur_page = new_sel ? new_sel->page : old_sel->page;
3480 if (cur_page < view->start_page || cur_page > view->end_page)
3483 /* seed the cache with a new page. We are going to need the new
3486 GdkRegion *tmp_region = NULL;
3487 ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
3492 new_sel->covered_region = gdk_region_copy (tmp_region);
3496 /* Now we figure out what needs redrawing */
3497 if (old_sel && new_sel) {
3498 if (old_sel->covered_region &&
3499 new_sel->covered_region) {
3500 /* We only want to redraw the areas that have
3501 * changed, so we xor the old and new regions
3502 * and redraw if it's different */
3503 region = gdk_region_copy (old_sel->covered_region);
3504 gdk_region_xor (region, new_sel->covered_region);
3505 if (gdk_region_empty (region)) {
3506 gdk_region_destroy (region);
3509 } else if (old_sel->covered_region) {
3510 region = gdk_region_copy (old_sel->covered_region);
3511 } else if (new_sel->covered_region) {
3512 region = gdk_region_copy (new_sel->covered_region);
3514 } else if (old_sel && !new_sel) {
3515 if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) {
3516 region = gdk_region_copy (old_sel->covered_region);
3518 } else if (!old_sel && new_sel) {
3519 if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) {
3520 region = gdk_region_copy (new_sel->covered_region);
3523 g_assert_not_reached ();
3526 /* Redraw the damaged region! */
3528 GdkRectangle page_area;
3531 get_page_extents (view, cur_page, &page_area, &border);
3532 gdk_region_offset (region,
3533 page_area.x + border.left - view->scroll_x,
3534 page_area.y + border.top - view->scroll_y);
3535 gdk_window_invalidate_region (GTK_WIDGET (view)->window, region, TRUE);
3536 gdk_region_destroy (region);
3540 /* Free the old list, now that we're done with it. */
3541 g_list_foreach (old_list, (GFunc) selection_free, NULL);
3545 compute_selections (EvView *view,
3551 if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
3552 list = compute_new_selection_rect (view, start, stop);
3554 list = compute_new_selection_text (view, start, stop);
3555 merge_selection_region (view, list);
3558 /* Free's the selection. It's up to the caller to queue redraws if needed.
3561 selection_free (EvViewSelection *selection)
3563 if (selection->covered_region)
3564 gdk_region_destroy (selection->covered_region);
3569 clear_selection (EvView *view)
3571 g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
3572 view->selection_info.selections = NULL;
3573 view->selection_info.in_selection = FALSE;
3578 ev_view_select_all (EvView *view)
3582 /* Disable selection on rotated pages for the 0.4.0 series */
3583 if (view->rotation != 0)
3586 clear_selection (view);
3588 n_pages = ev_page_cache_get_n_pages (view->page_cache);
3589 for (i = 0; i < n_pages; i++) {
3591 EvViewSelection *selection;
3593 ev_page_cache_get_size (view->page_cache,
3596 1.0, &width, &height);
3598 selection = g_new0 (EvViewSelection, 1);
3599 selection->page = i;
3600 selection->rect.x1 = selection->rect.y1 = 0;
3601 selection->rect.x2 = width;
3602 selection->rect.y2 = height;
3604 view->selection_info.selections = g_list_append (view->selection_info.selections, selection);
3607 ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, view->selection_info.selections);
3608 gtk_widget_queue_draw (GTK_WIDGET (view));
3612 get_selected_text (EvView *ev_view)
3617 text = g_string_new (NULL);
3619 ev_document_doc_mutex_lock ();
3621 for (l = ev_view->selection_info.selections; l != NULL; l = l->next) {
3622 EvViewSelection *selection = (EvViewSelection *)l->data;
3625 tmp = ev_document_get_text (ev_view->document,
3628 g_string_append (text, tmp);
3632 ev_document_doc_mutex_unlock ();
3634 return g_string_free (text, FALSE);
3638 ev_view_copy (EvView *ev_view)
3640 GtkClipboard *clipboard;
3643 if (!ev_document_can_get_text (ev_view->document)) {
3647 text = get_selected_text (ev_view);
3648 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
3649 GDK_SELECTION_CLIPBOARD);
3650 gtk_clipboard_set_text (clipboard, text, -1);
3655 ev_view_primary_get_cb (GtkClipboard *clipboard,
3656 GtkSelectionData *selection_data,
3660 EvView *ev_view = EV_VIEW (data);
3663 if (!ev_document_can_get_text (ev_view->document)) {
3667 text = get_selected_text (ev_view);
3668 gtk_selection_data_set_text (selection_data, text, -1);
3673 ev_view_primary_clear_cb (GtkClipboard *clipboard,
3676 EvView *view = EV_VIEW (data);
3678 clear_selection (view);
3682 ev_view_update_primary_selection (EvView *ev_view)
3684 GtkClipboard *clipboard;
3686 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
3687 GDK_SELECTION_PRIMARY);
3689 if (ev_view->selection_info.selections) {
3690 if (!gtk_clipboard_set_with_owner (clipboard,
3692 G_N_ELEMENTS (targets),
3693 ev_view_primary_get_cb,
3694 ev_view_primary_clear_cb,
3695 G_OBJECT (ev_view)))
3696 ev_view_primary_clear_cb (clipboard, ev_view);
3698 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
3699 gtk_clipboard_clear (clipboard);
3703 /*** Cursor operations ***/
3706 ev_view_create_invisible_cursor(void)
3709 GdkColor black = { 0, 0, 0, 0 };
3710 static char bits[] = { 0x00 };
3712 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
3714 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
3718 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
3720 GdkCursor *cursor = NULL;
3721 GdkDisplay *display;
3724 if (view->cursor == new_cursor) {
3728 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
3729 display = gtk_widget_get_display (widget);
3730 view->cursor = new_cursor;
3732 switch (new_cursor) {
3733 case EV_VIEW_CURSOR_NORMAL:
3734 gdk_window_set_cursor (widget->window, NULL);
3736 case EV_VIEW_CURSOR_IBEAM:
3737 cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
3739 case EV_VIEW_CURSOR_LINK:
3740 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
3742 case EV_VIEW_CURSOR_WAIT:
3743 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
3745 case EV_VIEW_CURSOR_HIDDEN:
3746 cursor = ev_view_create_invisible_cursor ();
3748 case EV_VIEW_CURSOR_DRAG:
3749 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
3754 gdk_window_set_cursor (widget->window, cursor);
3755 gdk_cursor_unref (cursor);
3761 ev_view_hide_cursor (EvView *view)
3763 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
3767 ev_view_show_cursor (EvView *view)
3769 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
3773 ev_view_next_page (EvView *view)
3777 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3779 page = ev_page_cache_get_current_page (view->page_cache);
3780 page = ev_view_get_dual_page (view) ? page + 2 : page + 1;
3782 if (page < ev_page_cache_get_n_pages (view->page_cache)) {
3783 ev_page_cache_set_current_page (view->page_cache, page);
3791 ev_view_previous_page (EvView *view)
3795 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
3797 page = ev_page_cache_get_current_page (view->page_cache);
3798 page = ev_view_get_dual_page (view) ? page - 2 : page - 1;
3801 ev_page_cache_set_current_page (view->page_cache, page);
3808 /*** Enum description for usage in signal ***/
3811 ev_sizing_mode_get_type (void)
3813 static GType etype = 0;
3815 static const GEnumValue values[] = {
3816 { EV_SIZING_FIT_WIDTH, "EV_SIZING_FIT_WIDTH", "fit-width" },
3817 { EV_SIZING_BEST_FIT, "EV_SIZING_BEST_FIT", "best-fit" },
3818 { EV_SIZING_FREE, "EV_SIZING_FREE", "free" },
3821 etype = g_enum_register_static ("EvSizingMode", values);