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-document-find.h"
33 #include "ev-document-misc.h"
35 #include "ev-job-queue.h"
36 #include "ev-page-cache.h"
37 #include "ev-pixbuf-cache.h"
39 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
40 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
41 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
65 TARGET_TEXT_BUFFER_CONTENTS
68 static const GtkTargetEntry targets[] = {
69 { "STRING", 0, TARGET_STRING },
70 { "TEXT", 0, TARGET_TEXT },
71 { "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT },
72 { "UTF8_STRING", 0, TARGET_UTF8_STRING },
75 static guint signals[N_SIGNALS];
78 EV_VIEW_CURSOR_NORMAL,
81 EV_VIEW_CURSOR_HIDDEN,
85 #define ZOOM_IN_FACTOR 1.2
86 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
88 #define MIN_SCALE 0.05409
104 SCROLL_TO_KEEP_POSITION,
105 SCROLL_TO_CURRENT_PAGE,
110 GtkWidget parent_instance;
112 EvDocument *document;
121 gboolean pressed_button;
122 GdkPoint selection_start;
126 GtkAdjustment *hadjustment;
127 GtkAdjustment *vadjustment;
129 EvPageCache *page_cache;
130 EvPixbufCache *pixbuf_cache;
136 EvJobRender *current_job;
148 gboolean presentation;
149 EvSizingMode sizing_mode;
151 PendingScroll pending_scroll;
152 gboolean pending_resize;
155 struct _EvViewClass {
156 GtkWidgetClass parent_class;
158 void (*set_scroll_adjustments) (EvView *view,
159 GtkAdjustment *hadjustment,
160 GtkAdjustment *vadjustment);
161 void (*scroll_view) (EvView *view,
162 GtkScrollType scroll,
163 gboolean horizontal);
164 void (*zoom_invalid) (EvView *view);
168 static void view_update_adjustments (EvView *view);
169 static void ev_view_set_scroll_adjustments (EvView *view,
170 GtkAdjustment *hadjustment,
171 GtkAdjustment *vadjustment);
172 static void view_update_range_and_current_page (EvView *view);
173 static void view_scroll_to_page (EvView *view,
175 static void set_scroll_adjustment (EvView *view,
176 GtkOrientation orientation,
177 GtkAdjustment *adjustment);
178 static void ev_view_set_scroll_adjustments (EvView *view,
179 GtkAdjustment *hadjustment,
180 GtkAdjustment *vadjustment);
181 static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
183 GtkScrollType scroll,
184 gboolean horizontal);
185 static void ev_view_scroll_view (EvView *view,
186 GtkScrollType scroll,
187 gboolean horizontal);
188 static void ensure_rectangle_is_visible (EvView *view,
191 /*** Geometry computations ***/
192 static void compute_border (EvView *view,
196 static gboolean get_page_extents (EvView *view,
198 GdkRectangle *page_area,
200 static void view_rect_to_doc_rect (EvView *view,
201 GdkRectangle *view_rect,
202 GdkRectangle *page_area,
203 EvRectangle *doc_rect);
204 static void doc_rect_to_view_rect (EvView *view,
206 EvRectangle *doc_rect,
207 GdkRectangle *view_rect);
208 static void get_bounding_box_size (EvView *view,
211 static void find_page_at_location (EvView *view,
219 static EvLink* get_link_at_location (EvView *view,
222 static void go_to_link (EvView *view,
224 static char* status_message_from_link (EvView *view,
227 /*** GtkWidget implementation ***/
228 static void ev_view_size_request_continuous_dual_page (EvView *view,
229 GtkRequisition *requisition);
230 static void ev_view_size_request_continuous (EvView *view,
231 GtkRequisition *requisition);
232 static void ev_view_size_request_dual_page (EvView *view,
233 GtkRequisition *requisition);
234 static void ev_view_size_request_single_page (EvView *view,
235 GtkRequisition *requisition);
236 static void ev_view_size_request (GtkWidget *widget,
237 GtkRequisition *requisition);
238 static void ev_view_size_allocate (GtkWidget *widget,
239 GtkAllocation *allocation);
240 static void ev_view_realize (GtkWidget *widget);
241 static void ev_view_unrealize (GtkWidget *widget);
242 static gboolean ev_view_scroll_event (GtkWidget *widget,
243 GdkEventScroll *event);
244 static gboolean ev_view_expose_event (GtkWidget *widget,
245 GdkEventExpose *event);
246 static gboolean ev_view_button_press_event (GtkWidget *widget,
247 GdkEventButton *event);
248 static gboolean ev_view_motion_notify_event (GtkWidget *widget,
249 GdkEventMotion *event);
250 static gboolean ev_view_button_release_event (GtkWidget *widget,
251 GdkEventButton *event);
254 static guint32 ev_gdk_color_to_rgb (const GdkColor *color);
255 static void draw_rubberband (GtkWidget *widget,
257 const GdkRectangle *rect,
259 static void highlight_find_results (EvView *view,
261 static void draw_one_page (EvView *view,
263 GdkRectangle *page_area,
265 GdkRectangle *expose_area);
268 static void find_changed_cb (EvDocument *document,
271 static void job_finished_cb (EvPixbufCache *pixbuf_cache,
273 static void page_changed_cb (EvPageCache *page_cache,
276 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
280 static void ev_view_finalize (GObject *object);
281 static void ev_view_destroy (GtkObject *object);
282 static void ev_view_set_property (GObject *object,
286 static void ev_view_get_property (GObject *object,
290 static void ev_view_class_init (EvViewClass *class);
291 static void ev_view_init (EvView *view);
293 /*** Zoom and sizing ***/
294 static double zoom_for_size_fit_width (int doc_width,
299 static double zoom_for_size_best_fit (int doc_width,
305 static void ev_view_zoom_for_size_presentation (EvView *view,
308 static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
313 static void ev_view_zoom_for_size_continuous (EvView *view,
318 static void ev_view_zoom_for_size_dual_page (EvView *view,
323 static void ev_view_zoom_for_size_single_page (EvView *view,
329 static GdkCursor* ev_view_create_invisible_cursor (void);
330 static void ev_view_set_cursor (EvView *view,
331 EvViewCursor new_cursor);
333 /*** Status messages ***/
334 static void ev_view_set_status (EvView *view,
335 const char *message);
336 static void update_find_status_message (EvView *view);
337 static void ev_view_set_find_status (EvView *view,
338 const char *message);
340 static void jump_to_find_result (EvView *view);
341 static void jump_to_find_page (EvView *view);
344 static void compute_selections (EvView *view,
345 GdkRectangle *view_rect);
346 static void clear_selection (EvView *view);
347 static char* get_selected_text (EvView *ev_view);
348 static void ev_view_primary_get_cb (GtkClipboard *clipboard,
349 GtkSelectionData *selection_data,
352 static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
354 static void ev_view_update_primary_selection (EvView *ev_view);
357 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_WIDGET)
360 view_update_adjustments (EvView *view)
364 if (! GTK_WIDGET_REALIZED (view))
367 if (view->hadjustment) {
368 dx = view->scroll_x - view->hadjustment->value;
369 view->scroll_x = view->hadjustment->value;
374 if (view->vadjustment) {
375 dy = view->scroll_y - view->vadjustment->value;
376 view->scroll_y = view->vadjustment->value;
382 if (view->pending_resize)
383 gtk_widget_queue_draw (GTK_WIDGET (view));
385 gdk_window_scroll (GTK_WIDGET (view)->window, dx, dy);
389 view_update_range_and_current_page (view);
393 view_set_adjustment_values (EvView *view,
394 GtkOrientation orientation)
396 GtkWidget *widget = GTK_WIDGET (view);
397 GtkAdjustment *adjustment;
404 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
405 requisition = widget->requisition.width;
406 allocation = widget->allocation.width;
407 adjustment = view->hadjustment;
409 requisition = widget->requisition.height;
410 allocation = widget->allocation.height;
411 adjustment = view->vadjustment;
418 switch (view->pending_scroll) {
419 case SCROLL_TO_KEEP_POSITION:
420 factor = adjustment->value / adjustment->upper;
422 case SCROLL_TO_CURRENT_PAGE:
424 case SCROLL_TO_CENTER:
425 factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper;
429 adjustment->page_size = allocation;
430 adjustment->step_increment = allocation * 0.1;
431 adjustment->page_increment = allocation * 0.9;
432 adjustment->lower = 0;
433 adjustment->upper = MAX (allocation, requisition);
435 switch (view->pending_scroll) {
436 case SCROLL_TO_KEEP_POSITION:
437 new_value = CLAMP (adjustment->upper * factor, 0, adjustment->upper - adjustment->page_size);
438 gtk_adjustment_set_value (adjustment, new_value);
440 case SCROLL_TO_CURRENT_PAGE:
441 if (orientation == GTK_ORIENTATION_VERTICAL) {
442 view_scroll_to_page (view, view->current_page);
445 case SCROLL_TO_CENTER:
446 new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5, 0, adjustment->upper - adjustment->page_size);
447 gtk_adjustment_set_value (adjustment, new_value);
451 gtk_adjustment_changed (adjustment);
455 view_update_range_and_current_page (EvView *view)
457 /* Presentation trumps all other modes */
458 if (view->presentation) {
459 view->start_page = view->current_page;
460 view->end_page = view->current_page;
461 } else if (view->continuous) {
462 GdkRectangle current_area, unused, page_area;
464 gboolean found = FALSE;
467 get_bounding_box_size (view, &(page_area.width), &(page_area.height));
468 page_area.x = view->spacing;
469 page_area.y = view->spacing;
471 if (view->hadjustment) {
472 current_area.x = view->hadjustment->value;
473 current_area.width = view->hadjustment->page_size;
475 current_area.x = page_area.x;
476 current_area.width = page_area.width;
479 if (view->vadjustment) {
480 current_area.y = view->vadjustment->value;
481 current_area.height = view->vadjustment->page_size;
483 current_area.y = page_area.y;
484 current_area.height = page_area.height;
487 for (i = 0; i < ev_page_cache_get_n_pages (view->page_cache); i++) {
488 if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) {
490 view->start_page = i;
498 if (view->dual_page) {
500 page_area.x += page_area.width + view->spacing;
502 page_area.x = view->spacing;
503 page_area.y += page_area.height + view->spacing;
506 page_area.y += page_area.height + view->spacing;
510 current_page = ev_page_cache_get_current_page (view->page_cache);
512 if (current_page < view->start_page || current_page > view->end_page) {
513 view->current_page = view->start_page;
514 ev_page_cache_set_current_page (view->page_cache, view->start_page);
517 if (view->dual_page) {
518 if (view->current_page % 2 == 0) {
519 view->start_page = view->current_page;
520 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache))
521 view->end_page = view->start_page + 1;
523 view->start_page = view->current_page - 1;
524 view->end_page = view->current_page;
527 view->start_page = view->current_page;
528 view->end_page = view->current_page;
532 ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
539 view_scroll_to_page (EvView *view, gint new_page)
541 EvPageCache *page_cache = view->page_cache;
542 int old_width, old_height;
543 int new_width, new_height;
544 int max_height, max_width, n_rows;
546 ev_page_cache_get_size (page_cache,
549 &old_width, &old_height);
551 ev_page_cache_get_size (page_cache,
554 &new_width, &new_height);
556 compute_border (view, new_width, new_height, &(view->border));
558 if (new_width != old_width || new_height != old_height)
559 gtk_widget_queue_resize (GTK_WIDGET (view));
561 gtk_widget_queue_draw (GTK_WIDGET (view));
563 get_bounding_box_size (view, &max_width, &max_height);
565 if (view->continuous && view->vadjustment) {
567 n_rows = view->dual_page ? new_page / 2 : new_page;
569 gtk_adjustment_clamp_page(view->vadjustment,
570 (max_height + view->spacing) * n_rows,
571 (max_height + view->spacing) * n_rows +
572 view->vadjustment->page_size);
574 gtk_adjustment_set_value (view->vadjustment,
575 view->vadjustment->lower);
578 if (view->dual_page && view->hadjustment) {
579 if (new_page % 2 == 0) {
580 gtk_adjustment_set_value (view->hadjustment,
581 view->hadjustment->lower);
583 gtk_adjustment_clamp_page (view->hadjustment,
584 view->hadjustment->lower +
585 max_width + view->spacing,
586 view->hadjustment->lower +
587 max_width + view->spacing +
588 view->hadjustment->page_size);
592 view->current_page = new_page;
593 view_update_range_and_current_page (view);
597 set_scroll_adjustment (EvView *view,
598 GtkOrientation orientation,
599 GtkAdjustment *adjustment)
601 GtkAdjustment **to_set;
603 if (orientation == GTK_ORIENTATION_HORIZONTAL)
604 to_set = &view->hadjustment;
606 to_set = &view->vadjustment;
608 if (*to_set != adjustment) {
610 g_signal_handlers_disconnect_by_func (*to_set,
611 (gpointer) on_adjustment_value_changed,
613 g_object_unref (*to_set);
616 *to_set = adjustment;
617 view_set_adjustment_values (view, orientation);
620 g_object_ref (*to_set);
621 g_signal_connect (*to_set, "value_changed",
622 G_CALLBACK (on_adjustment_value_changed), view);
628 ev_view_set_scroll_adjustments (EvView *view,
629 GtkAdjustment *hadjustment,
630 GtkAdjustment *vadjustment)
632 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
633 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
635 view_update_adjustments (view);
639 add_scroll_binding_keypad (GtkBindingSet *binding_set,
641 GtkScrollType scroll,
644 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
646 gtk_binding_entry_add_signal (binding_set, keyval, 0,
648 GTK_TYPE_SCROLL_TYPE, scroll,
649 G_TYPE_BOOLEAN, horizontal);
650 gtk_binding_entry_add_signal (binding_set, keypad_keyval, 0,
652 GTK_TYPE_SCROLL_TYPE, scroll,
653 G_TYPE_BOOLEAN, horizontal);
657 ev_view_scroll (EvView *view,
660 GtkAdjustment *adjustment;
661 double value, increment;
662 gboolean first_page = FALSE;
663 gboolean last_page = FALSE;
665 /* Assign values for increment and vertical adjustment */
666 adjustment = view->vadjustment;
667 increment = adjustment->page_size * 0.75;
668 value = adjustment->value;
670 /* Assign boolean for first and last page */
671 if (view->current_page == 0)
673 if (view->current_page == ev_page_cache_get_n_pages (view->page_cache) - 1)
677 case EV_SCROLL_PAGE_BACKWARD:
678 /* Do not jump backwards if at the first page */
679 if (value == (adjustment->lower) && first_page) {
681 /* At the top of a page, assign the upper bound limit of previous page */
682 } else if (value == (adjustment->lower)) {
683 value = adjustment->upper - adjustment->page_size;
684 ev_page_cache_set_current_page (view->page_cache, view->current_page - 1);
685 /* Jump to the top */
687 value = MAX (value - increment, adjustment->lower);
690 case EV_SCROLL_PAGE_FORWARD:
691 /* Do not jump forward if at the last page */
692 if (value == (adjustment->upper - adjustment->page_size) && last_page) {
694 /* At the bottom of a page, assign the lower bound limit of next page */
695 } else if (value == (adjustment->upper - adjustment->page_size)) {
697 ev_page_cache_set_current_page (view->page_cache, view->current_page + 1);
698 /* Jump to the bottom */
700 value = MIN (value + increment, adjustment->upper - adjustment->page_size);
707 gtk_adjustment_set_value (adjustment, value);
711 ev_view_scroll_view (EvView *view,
712 GtkScrollType scroll,
715 GtkAdjustment *adjustment;
719 adjustment = view->hadjustment;
721 adjustment = view->vadjustment;
724 value = adjustment->value;
727 case GTK_SCROLL_STEP_BACKWARD:
728 value -= adjustment->step_increment;
730 case GTK_SCROLL_STEP_FORWARD:
731 value += adjustment->step_increment;
737 value = CLAMP (value, adjustment->lower,
738 adjustment->upper - adjustment->page_size);
740 gtk_adjustment_set_value (adjustment, value);
746 ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
748 GtkWidget *widget = GTK_WIDGET (view);
749 GtkAdjustment *adjustment;
752 adjustment = view->vadjustment;
754 if (rect->y < adjustment->value) {
755 value = MAX (adjustment->lower, rect->y - MARGIN);
756 gtk_adjustment_set_value (view->vadjustment, value);
757 } else if (rect->y + rect->height >
758 adjustment->value + widget->allocation.height) {
759 value = MIN (adjustment->upper, rect->y + rect->height -
760 widget->allocation.height + MARGIN);
761 gtk_adjustment_set_value (view->vadjustment, value);
764 adjustment = view->hadjustment;
766 if (rect->x < adjustment->value) {
767 value = MAX (adjustment->lower, rect->x - MARGIN);
768 gtk_adjustment_set_value (view->hadjustment, value);
769 } else if (rect->x + rect->height >
770 adjustment->value + widget->allocation.width) {
771 value = MIN (adjustment->upper, rect->x + rect->width -
772 widget->allocation.width + MARGIN);
773 gtk_adjustment_set_value (view->hadjustment, value);
777 /*** Geometry computations ***/
780 compute_border (EvView *view, int width, int height, GtkBorder *border)
782 if (view->presentation) {
788 ev_document_misc_get_page_border_size (width, height, border);
793 get_page_extents (EvView *view,
795 GdkRectangle *page_area,
801 widget = GTK_WIDGET (view);
803 /* Quick sanity check */
804 if (view->presentation) {
805 if (view->current_page != page)
807 } else if (view->continuous) {
808 if (page < view->start_page ||
809 page > view->end_page)
811 } else if (view->dual_page) {
812 if (ABS (page - view->current_page) > 1)
815 if (view->current_page != page)
819 /* Get the size of the page */
820 ev_page_cache_get_size (view->page_cache, page,
823 compute_border (view, width, height, border);
824 page_area->width = width + border->left + border->right;
825 page_area->height = height + border->top + border->bottom;
827 if (view->presentation) {
828 page_area->x = (MAX (0, widget->allocation.width - width))/2;
829 page_area->y = (MAX (0, widget->allocation.height - height))/2;
830 } else if (view->continuous) {
831 gint max_width, max_height;
834 get_bounding_box_size (view, &max_width, &max_height);
835 /* Get the location of the bounding box */
836 if (view->dual_page) {
837 x = view->spacing + (page % 2) * (max_width + view->spacing);
838 y = view->spacing + (page / 2) * (max_height + view->spacing);
839 x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3))/2;
842 y = view->spacing + page * (max_height + view->spacing);
843 x = x + MAX (0, widget->allocation.width - (max_width + view->spacing * 2))/2;
849 if (view->dual_page) {
850 gint width_2, height_2;
851 gint max_width = width;
852 gint max_height = height;
853 GtkBorder overall_border;
856 other_page = page ^ 1;
858 /* First, we get the bounding box of the two pages */
859 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
860 ev_page_cache_get_size (view->page_cache,
863 &width_2, &height_2);
866 if (height_2 > height)
867 max_height = height_2;
869 compute_border (view, max_width, max_height, &overall_border);
871 /* Find the offsets */
875 /* Adjust for being the left or right page */
877 x = x + max_width - width;
879 x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
881 y = y + (max_height - height)/2;
883 /* Adjust for extra allocation */
884 x = x + MAX (0, widget->allocation.width -
885 ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
886 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
891 /* Adjust for extra allocation */
892 x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2))/2;
893 y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
904 view_rect_to_doc_rect (EvView *view,
905 GdkRectangle *view_rect,
906 GdkRectangle *page_area,
907 EvRectangle *doc_rect)
909 doc_rect->x1 = floor ((view_rect->x - page_area->x) / view->scale);
910 doc_rect->y1 = floor ((view_rect->y - page_area->y) / view->scale);
911 doc_rect->x2 = doc_rect->x1 + ceil (view_rect->width / view->scale);
912 doc_rect->y2 = doc_rect->y1 + ceil (view_rect->height / view->scale);
916 doc_rect_to_view_rect (EvView *view,
918 EvRectangle *doc_rect,
919 GdkRectangle *view_rect)
921 GdkRectangle page_area;
925 get_page_extents (view, page, &page_area, &border);
927 width = doc_rect->x2 - doc_rect->x1;
928 height = doc_rect->y2 - doc_rect->y1;
929 view_rect->x = floor (doc_rect->x1 * view->scale) + page_area.x;
930 view_rect->y = floor (doc_rect->y1 * view->scale) + page_area.y;
931 view_rect->width = ceil (width * view->scale);
932 view_rect->height = ceil (height * view->scale);
936 get_bounding_box_size (EvView *view, int *max_width, int *max_height)
942 ev_page_cache_get_max_width_size (view->page_cache,
945 compute_border (view, width, height, &border);
946 *max_width = width + border.left + border.right;
951 ev_page_cache_get_max_height_size (view->page_cache,
954 compute_border (view, width, height, &border);
955 *max_height = height + border.top + border.bottom;
960 find_page_at_location (EvView *view,
969 if (view->document == NULL)
976 for (i = view->start_page; i <= view->end_page; i++) {
977 GdkRectangle page_area;
980 if (! get_page_extents (view, i, &page_area, &border))
983 if ((x >= page_area.x + border.left) &&
984 (x < page_area.x + page_area.width - border.right) &&
985 (y >= page_area.y + border.top) &&
986 (y < page_area.y + page_area.height - border.bottom)) {
988 *x_offset = x - (page_area.x + border.left);
989 *y_offset = y - (page_area.y + border.top);
999 get_link_at_location (EvView *view,
1004 gint x_offset = 0, y_offset = 0;
1005 GList *link_mapping;
1007 find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
1012 link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
1015 return ev_link_mapping_find (link_mapping, x_offset / view->scale, y_offset / view->scale);
1020 /* FIXME: standardize this sometime */
1022 go_to_link (EvView *view, EvLink *link)
1028 type = ev_link_get_link_type (link);
1031 case EV_LINK_TYPE_TITLE:
1033 case EV_LINK_TYPE_PAGE:
1034 page = ev_link_get_page (link);
1035 ev_page_cache_set_current_page (view->page_cache, page);
1037 case EV_LINK_TYPE_EXTERNAL_URI:
1038 uri = ev_link_get_uri (link);
1039 gnome_vfs_url_show (uri);
1045 status_message_from_link (EvView *view, EvLink *link)
1051 type = ev_link_get_link_type (link);
1054 case EV_LINK_TYPE_TITLE:
1055 if (ev_link_get_title (link))
1056 msg = g_strdup (ev_link_get_title (link));
1058 case EV_LINK_TYPE_PAGE:
1059 page_label = ev_page_cache_get_page_label (view->page_cache, ev_link_get_page (link));
1060 msg = g_strdup_printf (_("Go to page %s"), page_label);
1061 g_free (page_label);
1063 case EV_LINK_TYPE_EXTERNAL_URI:
1064 msg = g_strdup (ev_link_get_uri (link));
1074 /*** GtkWidget implementation ***/
1077 ev_view_size_request_continuous_dual_page (EvView *view,
1078 GtkRequisition *requisition)
1080 int max_width, max_height;
1083 get_bounding_box_size (view, &max_width, &max_height);
1085 n_rows = (1 + ev_page_cache_get_n_pages (view->page_cache)) / 2;
1087 requisition->width = (max_width * 2) + (view->spacing * 3);
1088 requisition->height = max_height * n_rows + (view->spacing * (n_rows + 1));
1090 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1091 requisition->width = 1;
1092 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1093 requisition->width = 1;
1094 /* FIXME: This could actually be set on one page docs or docs
1095 * with a strange aspect ratio. */
1096 /* requisition->height = 1;*/
1101 ev_view_size_request_continuous (EvView *view,
1102 GtkRequisition *requisition)
1104 int max_width, max_height;
1107 get_bounding_box_size (view, &max_width, &max_height);
1109 n_pages = ev_page_cache_get_n_pages (view->page_cache);
1111 requisition->width = max_width + (view->spacing * 2);
1112 requisition->height = max_height * n_pages + (view->spacing * (n_pages + 1));
1114 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1115 requisition->width = 1;
1116 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1117 requisition->width = 1;
1118 /* FIXME: This could actually be set on one page docs or docs
1119 * with a strange aspect ratio. */
1120 /* requisition->height = 1;*/
1125 ev_view_size_request_dual_page (EvView *view,
1126 GtkRequisition *requisition)
1131 /* Find the largest of the two. */
1132 ev_page_cache_get_size (view->page_cache,
1136 if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) {
1137 gint width_2, height_2;
1138 ev_page_cache_get_size (view->page_cache,
1139 view->current_page + 1,
1141 &width_2, &height_2);
1142 if (width_2 > width) {
1147 compute_border (view, width, height, &border);
1149 requisition->width = ((width + border.left + border.right) * 2) +
1150 (view->spacing * 3);
1151 requisition->height = (height + border.top + border.bottom) +
1152 (view->spacing * 2);
1154 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1155 requisition->width = 1;
1156 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1157 requisition->width = 1;
1158 requisition->height = 1;
1163 ev_view_size_request_single_page (EvView *view,
1164 GtkRequisition *requisition)
1169 ev_page_cache_get_size (view->page_cache,
1173 compute_border (view, width, height, &border);
1175 requisition->width = width + border.left + border.right + (2 * view->spacing);
1176 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1178 if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
1179 requisition->width = 1;
1180 requisition->height = height + border.top + border.bottom + (2 * view->spacing);
1181 } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
1182 requisition->width = 1;
1183 requisition->height = 1;
1188 ev_view_size_request (GtkWidget *widget,
1189 GtkRequisition *requisition)
1191 EvView *view = EV_VIEW (widget);
1193 if (view->document == NULL) {
1194 requisition->width = 1;
1195 requisition->height = 1;
1199 if (view->presentation) {
1200 requisition->width = 1;
1201 requisition->height = 1;
1205 if (view->continuous && view->dual_page)
1206 ev_view_size_request_continuous_dual_page (view, requisition);
1207 else if (view->continuous)
1208 ev_view_size_request_continuous (view, requisition);
1209 else if (view->dual_page)
1210 ev_view_size_request_dual_page (view, requisition);
1212 ev_view_size_request_single_page (view, requisition);
1216 ev_view_size_allocate (GtkWidget *widget,
1217 GtkAllocation *allocation)
1219 EvView *view = EV_VIEW (widget);
1221 if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
1222 view->sizing_mode == EV_SIZING_BEST_FIT) {
1224 g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0);
1226 ev_view_size_request (widget, &widget->requisition);
1229 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
1230 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
1232 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
1233 view->pending_resize = FALSE;
1236 view_update_range_and_current_page (view);
1238 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
1242 ev_view_realize (GtkWidget *widget)
1244 EvView *view = EV_VIEW (widget);
1245 GdkWindowAttr attributes;
1247 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
1250 attributes.window_type = GDK_WINDOW_CHILD;
1251 attributes.wclass = GDK_INPUT_OUTPUT;
1252 attributes.visual = gtk_widget_get_visual (widget);
1253 attributes.colormap = gtk_widget_get_colormap (widget);
1255 attributes.x = widget->allocation.x;
1256 attributes.y = widget->allocation.y;
1257 attributes.width = widget->allocation.width;
1258 attributes.height = widget->allocation.height;
1259 attributes.event_mask = GDK_EXPOSURE_MASK |
1260 GDK_BUTTON_PRESS_MASK |
1261 GDK_BUTTON_RELEASE_MASK |
1263 GDK_KEY_PRESS_MASK |
1264 GDK_POINTER_MOTION_MASK |
1265 GDK_LEAVE_NOTIFY_MASK;
1267 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
1269 GDK_WA_X | GDK_WA_Y |
1272 gdk_window_set_user_data (widget->window, widget);
1273 widget->style = gtk_style_attach (widget->style, widget->window);
1275 if (view->presentation)
1276 gdk_window_set_background (widget->window, &widget->style->black);
1278 gdk_window_set_background (widget->window, &widget->style->mid [GTK_STATE_NORMAL]);
1282 ev_view_unrealize (GtkWidget *widget)
1284 GTK_WIDGET_CLASS (ev_view_parent_class)->unrealize (widget);
1288 ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
1290 EvView *view = EV_VIEW (widget);
1292 if ((event->state & GDK_CONTROL_MASK) != 0) {
1294 ev_view_set_sizing_mode (view, EV_SIZING_FREE);
1296 if ((event->direction == GDK_SCROLL_UP ||
1297 event->direction == GDK_SCROLL_LEFT) &&
1298 ev_view_can_zoom_in (view)) {
1299 ev_view_zoom_in (view);
1300 } else if (ev_view_can_zoom_out (view)) {
1301 ev_view_zoom_out (view);
1307 if ((event->state & GDK_SHIFT_MASK) != 0) {
1308 if (event->direction == GDK_SCROLL_UP)
1309 event->direction = GDK_SCROLL_LEFT;
1310 if (event->direction == GDK_SCROLL_DOWN)
1311 event->direction = GDK_SCROLL_RIGHT;
1318 ev_view_expose_event (GtkWidget *widget,
1319 GdkEventExpose *event)
1321 EvView *view = EV_VIEW (widget);
1322 GdkRectangle rubberband;
1326 if (view->document == NULL)
1329 for (i = view->start_page; i <= view->end_page; i++) {
1330 GdkRectangle page_area;
1333 if (!get_page_extents (view, i, &page_area, &border))
1336 page_area.x -= view->scroll_x;
1337 page_area.y -= view->scroll_y;
1339 draw_one_page (view, i, &page_area, &border, &(event->area));
1341 if (EV_IS_DOCUMENT_FIND (view->document)) {
1342 highlight_find_results (view, i);
1346 for (l = view->selections; l != NULL; l = l->next) {
1347 EvViewSelection *selection = (EvViewSelection *)l->data;
1349 doc_rect_to_view_rect (view, selection->page,
1350 &selection->rect, &rubberband);
1351 if (rubberband.width > 0 && rubberband.height > 0) {
1352 draw_rubberband (GTK_WIDGET (view), GTK_WIDGET(view)->window,
1361 ev_view_button_press_event (GtkWidget *widget,
1362 GdkEventButton *event)
1364 EvView *view = EV_VIEW (widget);
1366 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
1367 gtk_widget_grab_focus (widget);
1370 view->pressed_button = event->button;
1372 switch (event->button) {
1374 if (view->selections) {
1375 clear_selection (view);
1376 gtk_widget_queue_draw (widget);
1379 view->selection_start.x = event->x;
1380 view->selection_start.y = event->y;
1383 /* use root coordinates as reference point because
1384 * scrolling changes window relative coordinates */
1385 view->drag_info.start.x = event->x_root;
1386 view->drag_info.start.y = event->y_root;
1387 view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
1388 view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
1390 ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
1399 ev_view_motion_notify_event (GtkWidget *widget,
1400 GdkEventMotion *event)
1402 EvView *view = EV_VIEW (widget);
1404 if (view->pressed_button == 1) {
1405 GdkRectangle selection;
1407 selection.x = MIN (view->selection_start.x, event->x) + view->scroll_x;
1408 selection.y = MIN (view->selection_start.y, event->y) + view->scroll_y;
1409 selection.width = ABS (view->selection_start.x - event->x) + 1;
1410 selection.height = ABS (view->selection_start.y - event->y) + 1;
1412 compute_selections (view, &selection);
1414 gtk_widget_queue_draw (widget);
1417 } else if (view->pressed_button == 2) {
1418 if (!view->drag_info.dragging) {
1421 start = gtk_drag_check_threshold (widget,
1422 view->drag_info.start.x,
1423 view->drag_info.start.y,
1426 view->drag_info.dragging = start;
1429 if (view->drag_info.dragging) {
1431 gdouble dhadj_value, dvadj_value;
1433 dx = event->x_root - view->drag_info.start.x;
1434 dy = event->y_root - view->drag_info.start.y;
1436 dhadj_value = view->hadjustment->page_size *
1437 (gdouble)dx / widget->allocation.width;
1438 dvadj_value = view->vadjustment->page_size *
1439 (gdouble)dy / widget->allocation.height;
1441 /* clamp scrolling to visible area */
1442 gtk_adjustment_set_value (view->hadjustment,
1443 MIN(view->drag_info.hadj - dhadj_value,
1444 view->hadjustment->upper -
1445 view->hadjustment->page_size));
1446 gtk_adjustment_set_value (view->vadjustment,
1447 MIN(view->drag_info.vadj - dvadj_value,
1448 view->vadjustment->upper -
1449 view->vadjustment->page_size));
1453 } else if (view->pressed_button <= 0 && view->document) {
1456 link = get_link_at_location (view, event->x + view->scroll_x, event->y + view->scroll_y);
1460 msg = status_message_from_link (view, link);
1461 ev_view_set_status (view, msg);
1462 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
1465 ev_view_set_status (view, NULL);
1466 if (view->cursor == EV_VIEW_CURSOR_LINK) {
1467 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1477 ev_view_button_release_event (GtkWidget *widget,
1478 GdkEventButton *event)
1480 EvView *view = EV_VIEW (widget);
1482 if (view->pressed_button == 2) {
1483 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
1486 view->pressed_button = -1;
1487 view->drag_info.dragging = FALSE;
1489 if (view->selections) {
1490 ev_view_update_primary_selection (view);
1491 } else if (view->document) {
1494 link = get_link_at_location (view, event->x + view->scroll_x, event->y + view->scroll_y);
1496 go_to_link (view, link);
1506 ev_gdk_color_to_rgb (const GdkColor *color)
1509 result = (0xff0000 | (color->red & 0xff00));
1511 result |= ((color->green & 0xff00) | (color->blue >> 8));
1516 draw_rubberband (GtkWidget *widget, GdkWindow *window,
1517 const GdkRectangle *rect, guchar alpha)
1521 GdkColor *fill_color_gdk;
1524 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
1525 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
1527 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
1528 rect->width, rect->height);
1529 gdk_pixbuf_fill (pixbuf, fill_color);
1531 gdk_draw_pixbuf (window, NULL, pixbuf,
1533 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
1534 rect->width, rect->height,
1535 GDK_RGB_DITHER_NONE,
1538 g_object_unref (pixbuf);
1540 gc = gdk_gc_new (window);
1541 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
1542 gdk_draw_rectangle (window, gc, FALSE,
1543 rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
1546 g_object_unref (gc);
1548 gdk_color_free (fill_color_gdk);
1553 highlight_find_results (EvView *view, int page)
1555 EvDocumentFind *find;
1558 g_return_if_fail (EV_IS_DOCUMENT_FIND (view->document));
1560 find = EV_DOCUMENT_FIND (view->document);
1562 results = ev_document_find_get_n_results (find, page);
1564 for (i = 0; i < results; i++) {
1565 EvRectangle rectangle;
1566 GdkRectangle view_rectangle;
1569 if (i == view->find_result && page == view->find_page) {
1575 ev_document_find_get_result (find, page,
1577 doc_rect_to_view_rect (view, page, &rectangle, &view_rectangle);
1578 draw_rubberband (GTK_WIDGET (view), GTK_WIDGET(view)->window,
1579 &view_rectangle, alpha);
1584 draw_one_page (EvView *view,
1586 GdkRectangle *page_area,
1588 GdkRectangle *expose_area)
1591 GdkPixbuf *scaled_image;
1592 GdkPixbuf *current_pixbuf;
1593 GdkRectangle overlap;
1594 GdkRectangle real_page_area;
1596 g_assert (view->document);
1598 if (!gdk_rectangle_intersect (page_area, expose_area, &overlap))
1601 ev_page_cache_get_size (view->page_cache,
1605 /* Render the document itself */
1606 real_page_area = *page_area;
1608 real_page_area.x += border->left;
1609 real_page_area.y += border->top;
1610 real_page_area.width -= (border->left + border->right);
1611 real_page_area.height -= (border->top + border->bottom);
1613 if (! gdk_rectangle_intersect (&real_page_area, expose_area, &overlap))
1616 ev_document_misc_paint_one_page (GTK_WIDGET(view)->window,
1620 current_pixbuf = ev_pixbuf_cache_get_pixbuf (view->pixbuf_cache, page);
1622 if (current_pixbuf == NULL)
1623 scaled_image = NULL;
1624 else if (width == gdk_pixbuf_get_width (current_pixbuf) &&
1625 height == gdk_pixbuf_get_height (current_pixbuf))
1626 scaled_image = g_object_ref (current_pixbuf);
1628 scaled_image = gdk_pixbuf_scale_simple (current_pixbuf,
1630 GDK_INTERP_NEAREST);
1633 gdk_draw_pixbuf (GTK_WIDGET(view)->window,
1634 GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
1636 overlap.x - real_page_area.x,
1637 overlap.y - real_page_area.y,
1638 overlap.x, overlap.y,
1639 overlap.width, overlap.height,
1640 GDK_RGB_DITHER_NORMAL,
1642 g_object_unref (scaled_image);
1646 /*** GObject functions ***/
1649 ev_view_finalize (GObject *object)
1651 EvView *view = EV_VIEW (object);
1655 g_free (view->status);
1656 g_free (view->find_status);
1658 clear_selection (view);
1660 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
1664 ev_view_destroy (GtkObject *object)
1666 EvView *view = EV_VIEW (object);
1668 if (view->document) {
1669 g_object_unref (view->document);
1670 view->document = NULL;
1672 if (view->pixbuf_cache) {
1673 g_object_unref (view->pixbuf_cache);
1674 view->pixbuf_cache = NULL;
1676 ev_view_set_scroll_adjustments (view, NULL, NULL);
1678 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
1682 ev_view_set_property (GObject *object,
1684 const GValue *value,
1687 EvView *view = EV_VIEW (object);
1691 case PROP_CONTINUOUS:
1692 ev_view_set_continuous (view, g_value_get_boolean (value));
1694 case PROP_DUAL_PAGE:
1695 ev_view_set_dual_page (view, g_value_get_boolean (value));
1697 case PROP_FULLSCREEN:
1698 ev_view_set_fullscreen (view, g_value_get_boolean (value));
1700 case PROP_PRESENTATION:
1701 ev_view_set_presentation (view, g_value_get_boolean (value));
1703 case PROP_SIZING_MODE:
1704 ev_view_set_sizing_mode (view, g_value_get_enum (value));
1707 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
1712 ev_view_get_property (GObject *object,
1717 EvView *view = EV_VIEW (object);
1722 g_value_set_string (value, view->status);
1724 case PROP_FIND_STATUS:
1725 g_value_set_string (value, view->status);
1727 case PROP_CONTINUOUS:
1728 g_value_set_boolean (value, view->continuous);
1730 case PROP_DUAL_PAGE:
1731 g_value_set_boolean (value, view->dual_page);
1733 case PROP_FULLSCREEN:
1734 g_value_set_boolean (value, view->fullscreen);
1736 case PROP_PRESENTATION:
1737 g_value_set_boolean (value, view->presentation);
1739 case PROP_SIZING_MODE:
1740 g_value_set_enum (value, view->sizing_mode);
1743 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
1748 ev_view_class_init (EvViewClass *class)
1750 GObjectClass *object_class = G_OBJECT_CLASS (class);
1751 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
1752 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
1753 GtkBindingSet *binding_set;
1755 object_class->finalize = ev_view_finalize;
1756 object_class->set_property = ev_view_set_property;
1757 object_class->get_property = ev_view_get_property;
1759 widget_class->expose_event = ev_view_expose_event;
1760 widget_class->button_press_event = ev_view_button_press_event;
1761 widget_class->motion_notify_event = ev_view_motion_notify_event;
1762 widget_class->button_release_event = ev_view_button_release_event;
1763 widget_class->size_request = ev_view_size_request;
1764 widget_class->size_allocate = ev_view_size_allocate;
1765 widget_class->realize = ev_view_realize;
1766 widget_class->unrealize = ev_view_unrealize;
1767 widget_class->scroll_event = ev_view_scroll_event;
1768 gtk_object_class->destroy = ev_view_destroy;
1770 class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
1771 class->scroll_view = ev_view_scroll_view;
1773 widget_class->set_scroll_adjustments_signal =
1774 g_signal_new ("set-scroll-adjustments",
1775 G_OBJECT_CLASS_TYPE (object_class),
1776 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1777 G_STRUCT_OFFSET (EvViewClass, set_scroll_adjustments),
1779 ev_marshal_VOID__OBJECT_OBJECT,
1781 GTK_TYPE_ADJUSTMENT,
1782 GTK_TYPE_ADJUSTMENT);
1784 signals[SIGNAL_SCROLL_VIEW] = g_signal_new ("scroll-view",
1785 G_TYPE_FROM_CLASS (object_class),
1786 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1787 G_STRUCT_OFFSET (EvViewClass, scroll_view),
1789 ev_marshal_VOID__ENUM_BOOLEAN,
1791 GTK_TYPE_SCROLL_TYPE,
1794 signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
1795 G_TYPE_FROM_CLASS (object_class),
1796 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
1797 G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
1799 ev_marshal_VOID__VOID,
1800 G_TYPE_NONE, 0, G_TYPE_NONE);
1802 g_object_class_install_property (object_class,
1804 g_param_spec_string ("status",
1806 "The status message",
1810 g_object_class_install_property (object_class,
1812 g_param_spec_string ("find-status",
1813 "Find Status Message",
1814 "The find status message",
1818 g_object_class_install_property (object_class,
1820 g_param_spec_boolean ("continuous",
1822 "Continuous scrolling mode",
1824 G_PARAM_READWRITE));
1826 g_object_class_install_property (object_class,
1828 g_param_spec_boolean ("dual-page",
1830 "Two pages visible at once",
1832 G_PARAM_READWRITE));
1833 g_object_class_install_property (object_class,
1835 g_param_spec_boolean ("fullscreen",
1837 "Draw page in a fullscreen fashion",
1839 G_PARAM_READWRITE));
1840 g_object_class_install_property (object_class,
1842 g_param_spec_boolean ("presentation",
1844 "Draw page in presentation mode",
1846 G_PARAM_READWRITE));
1848 g_object_class_install_property (object_class,
1850 g_param_spec_enum ("sizing-mode",
1853 EV_TYPE_SIZING_MODE,
1854 EV_SIZING_FIT_WIDTH,
1855 G_PARAM_READWRITE));
1857 binding_set = gtk_binding_set_by_class (class);
1859 add_scroll_binding_keypad (binding_set, GDK_Left, GTK_SCROLL_STEP_BACKWARD, TRUE);
1860 add_scroll_binding_keypad (binding_set, GDK_Right, GTK_SCROLL_STEP_FORWARD, TRUE);
1861 add_scroll_binding_keypad (binding_set, GDK_Up, GTK_SCROLL_STEP_BACKWARD, FALSE);
1862 add_scroll_binding_keypad (binding_set, GDK_Down, GTK_SCROLL_STEP_FORWARD, FALSE);
1866 ev_view_init (EvView *view)
1868 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
1872 view->current_page = 0;
1873 view->pressed_button = -1;
1874 view->cursor = EV_VIEW_CURSOR_NORMAL;
1875 view->drag_info.dragging = FALSE;
1877 view->continuous = TRUE;
1878 view->dual_page = FALSE;
1879 view->presentation = FALSE;
1880 view->fullscreen = FALSE;
1881 view->sizing_mode = EV_SIZING_FIT_WIDTH;
1882 view->pending_scroll = SCROLL_TO_KEEP_POSITION;
1888 find_changed_cb (EvDocument *document, int page, EvView *view)
1890 jump_to_find_page (view);
1891 jump_to_find_result (view);
1892 update_find_status_message (view);
1894 if (view->current_page == page)
1895 gtk_widget_queue_draw (GTK_WIDGET (view));
1899 job_finished_cb (EvPixbufCache *pixbuf_cache,
1902 gtk_widget_queue_draw (GTK_WIDGET (view));
1906 page_changed_cb (EvPageCache *page_cache,
1910 if (view->current_page != new_page) {
1912 if (view->pending_scroll != SCROLL_TO_CURRENT_PAGE) {
1913 /* Should scroll right now */
1914 view_scroll_to_page (view, new_page);
1916 /* We'll scroll to new page on allocate */
1917 view->current_page = new_page;
1920 if (EV_IS_DOCUMENT_FIND (view->document)) {
1921 view->find_page = new_page;
1922 view->find_result = 0;
1923 update_find_status_message (view);
1928 static void on_adjustment_value_changed (GtkAdjustment *adjustment,
1931 view_update_adjustments (view);
1939 view = g_object_new (EV_TYPE_VIEW, NULL);
1945 ev_view_set_document (EvView *view,
1946 EvDocument *document)
1948 g_return_if_fail (EV_IS_VIEW (view));
1950 if (document != view->document) {
1951 if (view->document) {
1952 g_signal_handlers_disconnect_by_func (view->document,
1955 g_object_unref (view->document);
1956 view->page_cache = NULL;
1960 view->document = document;
1961 view->find_page = 0;
1962 view->find_result = 0;
1964 if (view->document) {
1965 g_object_ref (view->document);
1966 if (EV_IS_DOCUMENT_FIND (view->document)) {
1967 g_signal_connect (view->document,
1969 G_CALLBACK (find_changed_cb),
1972 view->page_cache = ev_document_get_page_cache (view->document);
1973 view->pending_scroll = SCROLL_TO_CURRENT_PAGE;
1974 g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
1975 view->pixbuf_cache = ev_pixbuf_cache_new (view->document);
1976 g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
1979 gtk_widget_queue_resize (GTK_WIDGET (view));
1983 /*** Zoom and sizing mode ***/
1985 #define EPSILON 0.0000001
1987 ev_view_set_zoom (EvView *view,
1994 scale = view->scale * factor;
1998 scale = CLAMP (scale, MIN_SCALE, MAX_SCALE);
2000 if (ABS (view->scale - scale) < EPSILON)
2002 view->scale = scale;
2003 view->pending_resize = TRUE;
2005 gtk_widget_queue_resize (GTK_WIDGET (view));
2009 ev_view_get_zoom (EvView *view)
2015 ev_view_set_continuous (EvView *view,
2016 gboolean continuous)
2018 g_return_if_fail (EV_IS_VIEW (view));
2020 continuous = continuous != FALSE;
2022 if (view->continuous != continuous) {
2023 view->continuous = continuous;
2024 view->pending_scroll = SCROLL_TO_CURRENT_PAGE;
2025 gtk_widget_queue_resize (GTK_WIDGET (view));
2028 g_object_notify (G_OBJECT (view), "continuous");
2032 ev_view_set_dual_page (EvView *view,
2035 g_return_if_fail (EV_IS_VIEW (view));
2037 dual_page = dual_page != FALSE;
2039 if (view->dual_page == dual_page)
2042 view->pending_scroll = SCROLL_TO_CURRENT_PAGE;
2043 view->dual_page = dual_page;
2044 /* FIXME: if we're keeping the pixbuf cache around, we should extend the
2045 * preload_cache_size to be 2 if dual_page is set.
2047 gtk_widget_queue_resize (GTK_WIDGET (view));
2049 g_object_notify (G_OBJECT (view), "dual-page");
2053 ev_view_set_fullscreen (EvView *view,
2054 gboolean fullscreen)
2056 g_return_if_fail (EV_IS_VIEW (view));
2058 fullscreen = fullscreen != FALSE;
2060 if (view->fullscreen != fullscreen) {
2061 view->fullscreen = fullscreen;
2062 gtk_widget_queue_resize (GTK_WIDGET (view));
2065 g_object_notify (G_OBJECT (view), "fullscreen");
2069 ev_view_get_fullscreen (EvView *view)
2071 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2073 return view->fullscreen;
2077 ev_view_set_presentation (EvView *view,
2078 gboolean presentation)
2080 g_return_if_fail (EV_IS_VIEW (view));
2082 presentation = presentation != FALSE;
2084 if (view->presentation == presentation)
2087 view->presentation = presentation;
2088 gtk_widget_queue_resize (GTK_WIDGET (view));
2089 if (GTK_WIDGET_REALIZED (view)) {
2090 if (view->presentation)
2091 gdk_window_set_background (GTK_WIDGET(view)->window,
2092 >K_WIDGET (view)->style->black);
2094 gdk_window_set_background (GTK_WIDGET(view)->window,
2095 >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
2099 g_object_notify (G_OBJECT (view), "presentation");
2103 ev_view_get_presentation (EvView *view)
2105 g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
2107 return view->presentation;
2111 ev_view_set_sizing_mode (EvView *view,
2112 EvSizingMode sizing_mode)
2114 g_return_if_fail (EV_IS_VIEW (view));
2116 if (view->sizing_mode == sizing_mode)
2119 view->sizing_mode = sizing_mode;
2120 gtk_widget_queue_resize (GTK_WIDGET (view));
2122 g_object_notify (G_OBJECT (view), "sizing-mode");
2126 ev_view_get_sizing_mode (EvView *view)
2128 g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
2130 return view->sizing_mode;
2134 ev_view_can_zoom_in (EvView *view)
2136 return view->scale * ZOOM_IN_FACTOR <= MAX_SCALE;
2140 ev_view_can_zoom_out (EvView *view)
2142 return view->scale * ZOOM_OUT_FACTOR >= MIN_SCALE;
2146 ev_view_zoom_in (EvView *view)
2148 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
2150 view->pending_scroll = SCROLL_TO_CENTER;
2151 ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE);
2155 ev_view_zoom_out (EvView *view)
2157 g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
2159 view->pending_scroll = SCROLL_TO_CENTER;
2160 ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE);
2164 zoom_for_size_fit_width (int doc_width,
2172 scale = (double)target_width / doc_width;
2174 if (doc_height * scale > target_height)
2175 scale = (double) (target_width - vsb_width) / doc_width;
2181 zoom_for_size_best_fit (int doc_width,
2191 w_scale = (double)target_width / doc_width;
2192 h_scale = (double)target_height / doc_height;
2194 if (doc_height * w_scale > target_height)
2195 w_scale = (double) (target_width - vsb_width) / doc_width;
2196 if (doc_width * h_scale > target_width)
2197 h_scale = (double) (target_height - hsb_width) / doc_height;
2199 return MIN (w_scale, h_scale);
2204 ev_view_zoom_for_size_presentation (EvView *view,
2208 int doc_width, doc_height;
2211 ev_page_cache_get_size (view->page_cache,
2216 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, 0, 0);
2217 ev_view_set_zoom (view, scale, FALSE);
2221 ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
2227 int doc_width, doc_height;
2231 ev_page_cache_get_max_width_size (view->page_cache,
2234 ev_page_cache_get_max_height_size (view->page_cache,
2237 compute_border (view, doc_width, doc_height, &border);
2239 doc_width = doc_width * 2;
2240 width -= (2 * (border.left + border.right) + 3 * view->spacing);
2241 height -= (border.top + border.bottom + 2 * view->spacing - 1);
2243 /* FIXME: We really need to calculate the overall height here, not the
2244 * page height. We assume there's always a vertical scrollbar for
2245 * now. We need to fix this. */
2246 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
2247 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
2248 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
2249 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
2251 g_assert_not_reached ();
2253 ev_view_set_zoom (view, scale, FALSE);
2257 ev_view_zoom_for_size_continuous (EvView *view,
2263 int doc_width, doc_height;
2267 ev_page_cache_get_max_width_size (view->page_cache,
2270 ev_page_cache_get_max_height_size (view->page_cache,
2273 compute_border (view, doc_width, doc_height, &border);
2275 width -= (border.left + border.right + 2 * view->spacing);
2276 height -= (border.top + border.bottom + 2 * view->spacing - 1);
2278 /* FIXME: We really need to calculate the overall height here, not the
2279 * page height. We assume there's always a vertical scrollbar for
2280 * now. We need to fix this. */
2281 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
2282 scale = zoom_for_size_fit_width (doc_width, doc_height, width - vsb_width, height, 0);
2283 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
2284 scale = zoom_for_size_best_fit (doc_width, doc_height, width - vsb_width, height, 0, hsb_height);
2286 g_assert_not_reached ();
2288 ev_view_set_zoom (view, scale, FALSE);
2292 ev_view_zoom_for_size_dual_page (EvView *view,
2299 gint doc_width, doc_height;
2303 other_page = view->current_page ^ 1;
2305 /* Find the largest of the two. */
2306 ev_page_cache_get_size (view->page_cache,
2309 &doc_width, &doc_height);
2311 if (other_page < ev_page_cache_get_n_pages (view->page_cache)) {
2312 gint width_2, height_2;
2313 ev_page_cache_get_size (view->page_cache,
2316 &width_2, &height_2);
2317 if (width_2 > doc_width)
2318 doc_width = width_2;
2319 if (height_2 > doc_height)
2320 doc_height = height_2;
2322 compute_border (view, doc_width, doc_height, &border);
2324 doc_width = doc_width * 2;
2325 width -= ((border.left + border.right)* 2 + 3 * view->spacing);
2326 height -= (border.top + border.bottom + 2 * view->spacing);
2328 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
2329 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
2330 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
2331 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
2333 g_assert_not_reached ();
2335 ev_view_set_zoom (view, scale, FALSE);
2339 ev_view_zoom_for_size_single_page (EvView *view,
2345 int doc_width, doc_height;
2349 ev_page_cache_get_size (view->page_cache,
2354 /* Get an approximate border */
2355 compute_border (view, width, height, &border);
2357 width -= (border.left + border.right + 2 * view->spacing);
2358 height -= (border.top + border.bottom + 2 * view->spacing);
2360 if (view->sizing_mode == EV_SIZING_FIT_WIDTH)
2361 scale = zoom_for_size_fit_width (doc_width, doc_height, width, height, vsb_width);
2362 else if (view->sizing_mode == EV_SIZING_BEST_FIT)
2363 scale = zoom_for_size_best_fit (doc_width, doc_height, width, height, vsb_width, hsb_height);
2365 g_assert_not_reached ();
2367 ev_view_set_zoom (view, scale, FALSE);
2371 ev_view_set_zoom_for_size (EvView *view,
2377 g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
2378 view->sizing_mode == EV_SIZING_BEST_FIT);
2379 g_return_if_fail (width >= 0);
2380 g_return_if_fail (height >= 0);
2382 if (view->document == NULL)
2385 if (view->presentation)
2386 ev_view_zoom_for_size_presentation (view, width, height);
2387 else if (view->continuous && view->dual_page)
2388 ev_view_zoom_for_size_continuous_and_dual_page (view, width, height, vsb_width, hsb_height);
2389 else if (view->continuous)
2390 ev_view_zoom_for_size_continuous (view, width, height, vsb_width, hsb_height);
2391 else if (view->dual_page)
2392 ev_view_zoom_for_size_dual_page (view, width, height, vsb_width, hsb_height);
2394 ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height);
2397 /*** Status text messages ***/
2400 ev_view_get_status (EvView *view)
2402 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
2404 return view->status;
2408 ev_view_set_status (EvView *view, const char *message)
2410 g_return_if_fail (EV_IS_VIEW (view));
2412 if (message != view->status) {
2413 g_free (view->status);
2414 view->status = g_strdup (message);
2415 g_object_notify (G_OBJECT (view), "status");
2420 update_find_status_message (EvView *view)
2424 if (view->current_page == view->find_page) {
2427 results = ev_document_find_get_n_results
2428 (EV_DOCUMENT_FIND (view->document),
2429 view->current_page);
2430 /* TRANS: Sometimes this could be better translated as
2431 "%d hit(s) on this page". Therefore this string
2432 contains plural cases. */
2433 message = g_strdup_printf (ngettext ("%d found on this page",
2434 "%d found on this page",
2440 ev_document_doc_mutex_lock ();
2441 percent = ev_document_find_get_progress
2442 (EV_DOCUMENT_FIND (view->document));
2443 ev_document_doc_mutex_unlock ();
2444 if (percent >= (1.0 - 1e-10)) {
2445 message = g_strdup (_("Not found"));
2447 message = g_strdup_printf (_("%3d%% remaining to search"),
2448 (int) ((1.0 - percent) * 100));
2452 ev_view_set_find_status (view, message);
2456 ev_view_get_find_status (EvView *view)
2458 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
2460 return view->find_status;
2464 ev_view_set_find_status (EvView *view, const char *message)
2466 g_return_if_fail (EV_IS_VIEW (view));
2468 g_free (view->find_status);
2469 view->find_status = g_strdup (message);
2470 g_object_notify (G_OBJECT (view), "find-status");
2476 jump_to_find_result (EvView *view)
2478 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
2480 GdkRectangle view_rect;
2482 int page = view->find_page;
2484 ev_document_doc_mutex_lock ();
2485 n_results = ev_document_find_get_n_results (find, page);
2486 ev_document_doc_mutex_unlock ();
2488 if (n_results > view->find_result) {
2489 ev_document_doc_mutex_lock ();
2490 ev_document_find_get_result
2491 (find, page, view->find_result, &rect);
2492 ev_document_doc_mutex_unlock ();
2494 doc_rect_to_view_rect (view, page, &rect, &view_rect);
2495 ensure_rectangle_is_visible (view, &view_rect);
2500 jump_to_find_page (EvView *view)
2504 n_pages = ev_page_cache_get_n_pages (view->page_cache);
2506 for (i = 0; i < n_pages; i++) {
2510 page = i + view->find_page;
2511 if (page >= n_pages) {
2512 page = page - n_pages;
2515 has_results = ev_document_find_page_has_results
2516 (EV_DOCUMENT_FIND (view->document), page);
2517 if (has_results == -1) {
2518 view->find_page = page;
2520 } else if (has_results == 1) {
2521 ev_page_cache_set_current_page (view->page_cache, page);
2522 jump_to_find_result (view);
2529 ev_view_can_find_next (EvView *view)
2533 if (EV_IS_DOCUMENT_FIND (view->document)) {
2534 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
2536 ev_document_doc_mutex_lock ();
2537 n_results = ev_document_find_get_n_results (find, view->current_page);
2538 ev_document_doc_mutex_unlock ();
2541 return n_results > 0;
2545 ev_view_find_next (EvView *view)
2547 EvPageCache *page_cache;
2548 int n_results, n_pages;
2549 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
2551 page_cache = ev_document_get_page_cache (view->document);
2552 ev_document_doc_mutex_lock ();
2553 n_results = ev_document_find_get_n_results (find, view->current_page);
2554 ev_document_doc_mutex_unlock ();
2556 n_pages = ev_page_cache_get_n_pages (page_cache);
2558 view->find_result++;
2560 if (view->find_result >= n_results) {
2561 view->find_result = 0;
2564 if (view->find_page >= n_pages) {
2565 view->find_page = 0;
2568 jump_to_find_page (view);
2570 jump_to_find_result (view);
2571 gtk_widget_queue_draw (GTK_WIDGET (view));
2576 ev_view_find_previous (EvView *view)
2578 int n_results, n_pages;
2579 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
2580 EvPageCache *page_cache;
2582 page_cache = ev_document_get_page_cache (view->document);
2584 ev_document_doc_mutex_lock ();
2585 n_results = ev_document_find_get_n_results (find, view->current_page);
2586 ev_document_doc_mutex_unlock ();
2588 n_pages = ev_page_cache_get_n_pages (page_cache);
2590 view->find_result--;
2592 if (view->find_result < 0) {
2593 view->find_result = 0;
2596 if (view->find_page < 0) {
2597 view->find_page = n_pages - 1;
2600 jump_to_find_page (view);
2602 jump_to_find_result (view);
2603 gtk_widget_queue_draw (GTK_WIDGET (view));
2607 /*** Selections ***/
2610 compute_selections (EvView *view, GdkRectangle *view_rect)
2614 clear_selection (view);
2616 n_pages = ev_page_cache_get_n_pages (view->page_cache);
2617 for (i = 0; i < n_pages; i++) {
2618 GdkRectangle page_area;
2621 if (get_page_extents (view, i, &page_area, &border)) {
2622 GdkRectangle overlap;
2624 if (gdk_rectangle_intersect (&page_area, view_rect, &overlap)) {
2625 EvViewSelection *selection;
2627 selection = g_new0 (EvViewSelection, 1);
2628 selection->page = i;
2629 view_rect_to_doc_rect (view, &overlap, &page_area,
2630 &(selection->rect));
2632 view->selections = g_list_append
2633 (view->selections, selection);
2640 clear_selection (EvView *view)
2642 g_list_foreach (view->selections, (GFunc)g_free, NULL);
2643 view->selections = NULL;
2648 ev_view_select_all (EvView *view)
2652 clear_selection (view);
2654 n_pages = ev_page_cache_get_n_pages (view->page_cache);
2655 for (i = 0; i < n_pages; i++) {
2657 EvViewSelection *selection;
2659 ev_page_cache_get_size (view->page_cache,
2660 i, 1.0, &width, &height);
2662 selection = g_new0 (EvViewSelection, 1);
2663 selection->page = i;
2664 selection->rect.x1 = selection->rect.y1 = 0;
2665 selection->rect.x2 = width;
2666 selection->rect.y2 = height;
2668 view->selections = g_list_append (view->selections, selection);
2671 gtk_widget_queue_draw (GTK_WIDGET (view));
2675 get_selected_text (EvView *ev_view)
2680 text = g_string_new (NULL);
2682 ev_document_doc_mutex_lock ();
2684 for (l = ev_view->selections; l != NULL; l = l->next) {
2685 EvViewSelection *selection = (EvViewSelection *)l->data;
2688 tmp = ev_document_get_text (ev_view->document,
2691 g_string_append (text, tmp);
2695 ev_document_doc_mutex_unlock ();
2697 return g_string_free (text, FALSE);
2701 ev_view_copy (EvView *ev_view)
2703 GtkClipboard *clipboard;
2706 if (!ev_document_can_get_text (ev_view->document)) {
2710 text = get_selected_text (ev_view);
2711 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
2712 GDK_SELECTION_CLIPBOARD);
2713 gtk_clipboard_set_text (clipboard, text, -1);
2718 ev_view_primary_get_cb (GtkClipboard *clipboard,
2719 GtkSelectionData *selection_data,
2723 EvView *ev_view = EV_VIEW (data);
2726 if (!ev_document_can_get_text (ev_view->document)) {
2730 text = get_selected_text (ev_view);
2731 gtk_selection_data_set_text (selection_data, text, -1);
2736 ev_view_primary_clear_cb (GtkClipboard *clipboard,
2739 EvView *view = EV_VIEW (data);
2741 clear_selection (view);
2745 ev_view_update_primary_selection (EvView *ev_view)
2747 GtkClipboard *clipboard;
2749 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
2750 GDK_SELECTION_PRIMARY);
2752 if (ev_view->selections) {
2753 if (!gtk_clipboard_set_with_owner (clipboard,
2755 G_N_ELEMENTS (targets),
2756 ev_view_primary_get_cb,
2757 ev_view_primary_clear_cb,
2758 G_OBJECT (ev_view)))
2759 ev_view_primary_clear_cb (clipboard, ev_view);
2761 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
2762 gtk_clipboard_clear (clipboard);
2766 /*** Cursor operations ***/
2769 ev_view_create_invisible_cursor(void)
2772 GdkColor black = { 0, 0, 0, 0 };
2773 static char bits[] = { 0x00 };
2775 empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
2777 return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
2781 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
2783 GdkCursor *cursor = NULL;
2784 GdkDisplay *display;
2787 if (view->cursor == new_cursor) {
2791 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
2792 display = gtk_widget_get_display (widget);
2793 view->cursor = new_cursor;
2795 switch (new_cursor) {
2796 case EV_VIEW_CURSOR_NORMAL:
2797 gdk_window_set_cursor (widget->window, NULL);
2799 case EV_VIEW_CURSOR_LINK:
2800 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
2802 case EV_VIEW_CURSOR_WAIT:
2803 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
2805 case EV_VIEW_CURSOR_HIDDEN:
2806 cursor = ev_view_create_invisible_cursor ();
2808 case EV_VIEW_CURSOR_DRAG:
2809 cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
2814 gdk_window_set_cursor (widget->window, cursor);
2815 gdk_cursor_unref (cursor);
2821 ev_view_hide_cursor (EvView *view)
2823 ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
2827 ev_view_show_cursor (EvView *view)
2829 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
2832 /*** Enum description for usage in signal ***/
2835 ev_sizing_mode_get_type (void)
2837 static GType etype = 0;
2839 static const GEnumValue values[] = {
2840 { EV_SIZING_FIT_WIDTH, "EV_SIZING_FIT_WIDTH", "fit-width" },
2841 { EV_SIZING_BEST_FIT, "EV_SIZING_BEST_FIT", "best-fit" },
2842 { EV_SIZING_FREE, "EV_SIZING_FREE", "free" },
2845 etype = g_enum_register_static ("EvSizingMode", values);