1 /* this file is part of evince, a gnome document viewer
3 * Copyright (C) 2004 Red Hat, Inc.
4 * Copyright (C) 2004, 2005 Anders Carlsson <andersca@gnome.org>
7 * Jonathan Blandford <jrb@alum.mit.edu>
8 * Anders Carlsson <andersca@gnome.org>
10 * Evince is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * Evince is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
31 #include <glib/gi18n.h>
34 #include "ev-document-misc.h"
35 #include "ev-job-scheduler.h"
36 #include "ev-sidebar-page.h"
37 #include "ev-sidebar-thumbnails.h"
39 #include "ev-window.h"
41 #define THUMBNAIL_WIDTH 100
43 /* The IconView doesn't scale nearly as well as the TreeView, so we arbitrarily
45 #define MAX_ICON_VIEW_PAGE_COUNT 1500
47 typedef struct _EvThumbsSize
53 typedef struct _EvThumbsSizeCache {
60 struct _EvSidebarThumbnailsPrivate {
64 GtkAdjustment *vadjustment;
65 GtkListStore *list_store;
66 GHashTable *loading_icons;
68 EvDocumentModel *model;
69 EvThumbsSizeCache *size_cache;
71 gint n_pages, pages_done;
74 gboolean inverted_colors;
77 gint start_page, end_page;
93 static void ev_sidebar_thumbnails_clear_model (EvSidebarThumbnails *sidebar);
94 static gboolean ev_sidebar_thumbnails_support_document (EvSidebarPage *sidebar_page,
95 EvDocument *document);
96 static void ev_sidebar_thumbnails_page_iface_init (EvSidebarPageInterface *iface);
97 static const gchar* ev_sidebar_thumbnails_get_label (EvSidebarPage *sidebar_page);
98 static void thumbnail_job_completed_callback (EvJobThumbnail *job,
99 EvSidebarThumbnails *sidebar_thumbnails);
100 static void adjustment_changed_cb (EvSidebarThumbnails *sidebar_thumbnails);
102 G_DEFINE_TYPE_EXTENDED (EvSidebarThumbnails,
103 ev_sidebar_thumbnails,
106 G_IMPLEMENT_INTERFACE (EV_TYPE_SIDEBAR_PAGE,
107 ev_sidebar_thumbnails_page_iface_init))
109 #define EV_SIDEBAR_THUMBNAILS_GET_PRIVATE(object) \
110 (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_SIDEBAR_THUMBNAILS, EvSidebarThumbnailsPrivate));
112 /* Thumbnails dimensions cache */
113 #define EV_THUMBNAILS_SIZE_CACHE_KEY "ev-thumbnails-size-cache"
116 get_thumbnail_size_for_page (EvDocument *document,
124 ev_document_get_page_size (document, page, &w, &h);
125 scale = (gdouble)THUMBNAIL_WIDTH / w;
127 *width = MAX ((gint)(w * scale + 0.5), 1);
128 *height = MAX ((gint)(h * scale + 0.5), 1);
131 static EvThumbsSizeCache *
132 ev_thumbnails_size_cache_new (EvDocument *document)
134 EvThumbsSizeCache *cache;
136 EvThumbsSize *thumb_size;
138 cache = g_new0 (EvThumbsSizeCache, 1);
140 if (ev_document_is_page_size_uniform (document)) {
141 cache->uniform = TRUE;
142 get_thumbnail_size_for_page (document, 0,
143 &cache->uniform_width,
144 &cache->uniform_height);
148 n_pages = ev_document_get_n_pages (document);
149 cache->sizes = g_new0 (EvThumbsSize, n_pages);
151 for (i = 0; i < n_pages; i++) {
152 thumb_size = &(cache->sizes[i]);
153 get_thumbnail_size_for_page (document, i,
155 &thumb_size->height);
162 ev_thumbnails_size_cache_get_size (EvThumbsSizeCache *cache,
170 if (cache->uniform) {
171 w = cache->uniform_width;
172 h = cache->uniform_height;
174 EvThumbsSize *thumb_size;
176 thumb_size = &(cache->sizes[page]);
178 w = thumb_size->width;
179 h = thumb_size->height;
182 if (rotation == 0 || rotation == 180) {
183 if (width) *width = w;
184 if (height) *height = h;
186 if (width) *width = h;
187 if (height) *height = w;
192 ev_thumbnails_size_cache_free (EvThumbsSizeCache *cache)
195 g_free (cache->sizes);
202 static EvThumbsSizeCache *
203 ev_thumbnails_size_cache_get (EvDocument *document)
205 EvThumbsSizeCache *cache;
207 cache = g_object_get_data (G_OBJECT (document), EV_THUMBNAILS_SIZE_CACHE_KEY);
209 cache = ev_thumbnails_size_cache_new (document);
210 g_object_set_data_full (G_OBJECT (document),
211 EV_THUMBNAILS_SIZE_CACHE_KEY,
213 (GDestroyNotify)ev_thumbnails_size_cache_free);
221 ev_sidebar_thumbnails_dispose (GObject *object)
223 EvSidebarThumbnails *sidebar_thumbnails = EV_SIDEBAR_THUMBNAILS (object);
225 if (sidebar_thumbnails->priv->loading_icons) {
226 g_hash_table_destroy (sidebar_thumbnails->priv->loading_icons);
227 sidebar_thumbnails->priv->loading_icons = NULL;
230 if (sidebar_thumbnails->priv->list_store) {
231 ev_sidebar_thumbnails_clear_model (sidebar_thumbnails);
232 g_object_unref (sidebar_thumbnails->priv->list_store);
233 sidebar_thumbnails->priv->list_store = NULL;
236 G_OBJECT_CLASS (ev_sidebar_thumbnails_parent_class)->dispose (object);
240 ev_sidebar_thumbnails_get_property (GObject *object,
245 EvSidebarThumbnails *sidebar = EV_SIDEBAR_THUMBNAILS (object);
249 if (sidebar->priv->tree_view)
250 g_value_set_object (value, sidebar->priv->tree_view);
252 g_value_set_object (value, sidebar->priv->icon_view);
255 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
261 ev_sidebar_thumbnails_map (GtkWidget *widget)
263 EvSidebarThumbnails *sidebar;
265 sidebar = EV_SIDEBAR_THUMBNAILS (widget);
267 GTK_WIDGET_CLASS (ev_sidebar_thumbnails_parent_class)->map (widget);
269 adjustment_changed_cb (sidebar);
273 ev_sidebar_thumbnails_class_init (EvSidebarThumbnailsClass *ev_sidebar_thumbnails_class)
275 GObjectClass *g_object_class;
276 GtkObjectClass *gtk_object_class;
277 GtkWidgetClass *widget_class;
279 g_object_class = G_OBJECT_CLASS (ev_sidebar_thumbnails_class);
280 gtk_object_class = GTK_OBJECT_CLASS (ev_sidebar_thumbnails_class);
281 widget_class = GTK_WIDGET_CLASS (ev_sidebar_thumbnails_class);
283 g_object_class->dispose = ev_sidebar_thumbnails_dispose;
284 g_object_class->get_property = ev_sidebar_thumbnails_get_property;
285 widget_class->map = ev_sidebar_thumbnails_map;
287 g_object_class_override_property (g_object_class,
291 g_type_class_add_private (g_object_class, sizeof (EvSidebarThumbnailsPrivate));
295 ev_sidebar_thumbnails_new (void)
297 GtkWidget *ev_sidebar_thumbnails;
299 ev_sidebar_thumbnails = g_object_new (EV_TYPE_SIDEBAR_THUMBNAILS, NULL);
301 return ev_sidebar_thumbnails;
305 ev_sidebar_thumbnails_get_loading_icon (EvSidebarThumbnails *sidebar_thumbnails,
309 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
313 key = g_strdup_printf ("%dx%d", width, height);
314 icon = g_hash_table_lookup (priv->loading_icons, key);
316 gboolean inverted_colors;
318 inverted_colors = ev_document_model_get_inverted_colors (priv->model);
319 icon = ev_document_misc_get_loading_thumbnail (width, height, inverted_colors);
320 g_hash_table_insert (priv->loading_icons, key, icon);
329 clear_range (EvSidebarThumbnails *sidebar_thumbnails,
333 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
337 gint prev_width = -1;
338 gint prev_height = -1;
340 g_assert (start_page <= end_page);
342 path = gtk_tree_path_new_from_indices (start_page, -1);
343 for (result = gtk_tree_model_get_iter (GTK_TREE_MODEL (priv->list_store), &iter, path);
344 result && start_page <= end_page;
345 result = gtk_tree_model_iter_next (GTK_TREE_MODEL (priv->list_store), &iter), start_page ++) {
347 GdkPixbuf *loading_icon = NULL;
350 gtk_tree_model_get (GTK_TREE_MODEL (priv->list_store),
356 g_signal_handlers_disconnect_by_func (job, thumbnail_job_completed_callback, sidebar_thumbnails);
357 ev_job_cancel (EV_JOB (job));
358 g_object_unref (job);
361 ev_thumbnails_size_cache_get_size (priv->size_cache, start_page,
364 if (!loading_icon || (width != prev_width && height != prev_height)) {
366 ev_sidebar_thumbnails_get_loading_icon (sidebar_thumbnails,
371 prev_height = height;
373 gtk_list_store_set (priv->list_store, &iter,
375 COLUMN_THUMBNAIL_SET, FALSE,
376 COLUMN_PIXBUF, loading_icon,
379 gtk_tree_path_free (path);
383 get_scale_for_page (EvSidebarThumbnails *sidebar_thumbnails,
386 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
389 ev_document_get_page_size (priv->document, page, &width, NULL);
391 return (gdouble)THUMBNAIL_WIDTH / width;
395 add_range (EvSidebarThumbnails *sidebar_thumbnails,
399 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
403 gint page = start_page;
405 g_assert (start_page <= end_page);
407 path = gtk_tree_path_new_from_indices (start_page, -1);
408 for (result = gtk_tree_model_get_iter (GTK_TREE_MODEL (priv->list_store), &iter, path);
409 result && page <= end_page;
410 result = gtk_tree_model_iter_next (GTK_TREE_MODEL (priv->list_store), &iter), page ++) {
412 gboolean thumbnail_set;
414 gtk_tree_model_get (GTK_TREE_MODEL (priv->list_store), &iter,
416 COLUMN_THUMBNAIL_SET, &thumbnail_set,
419 if (job == NULL && !thumbnail_set) {
420 job = ev_job_thumbnail_new (priv->document,
421 page, priv->rotation,
422 get_scale_for_page (sidebar_thumbnails, page));
423 ev_job_scheduler_push_job (EV_JOB (job), EV_JOB_PRIORITY_HIGH);
425 g_object_set_data_full (G_OBJECT (job), "tree_iter",
426 gtk_tree_iter_copy (&iter),
427 (GDestroyNotify) gtk_tree_iter_free);
428 g_signal_connect (job, "finished",
429 G_CALLBACK (thumbnail_job_completed_callback),
431 gtk_list_store_set (priv->list_store, &iter,
435 /* The queue and the list own a ref to the job now */
436 g_object_unref (job);
438 g_object_unref (job);
441 gtk_tree_path_free (path);
444 /* This modifies start */
446 update_visible_range (EvSidebarThumbnails *sidebar_thumbnails,
450 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
451 int old_start_page, old_end_page;
453 old_start_page = priv->start_page;
454 old_end_page = priv->end_page;
456 if (start_page == old_start_page &&
457 end_page == old_end_page)
460 /* Clear the areas we no longer display */
461 if (old_start_page >= 0 && old_start_page < start_page)
462 clear_range (sidebar_thumbnails, old_start_page, MIN (start_page - 1, old_end_page));
464 if (old_end_page > 0 && old_end_page > end_page)
465 clear_range (sidebar_thumbnails, MAX (end_page + 1, old_start_page), old_end_page);
467 add_range (sidebar_thumbnails, start_page, end_page);
469 priv->start_page = start_page;
470 priv->end_page = end_page;
474 adjustment_changed_cb (EvSidebarThumbnails *sidebar_thumbnails)
476 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
477 GtkTreePath *path = NULL;
478 GtkTreePath *path2 = NULL;
484 /* Widget is not currently visible */
485 if (!gtk_widget_get_mapped (GTK_WIDGET (sidebar_thumbnails)))
488 page_size = gtk_adjustment_get_page_size (priv->vadjustment);
493 value = gtk_adjustment_get_value (priv->vadjustment);
495 if (priv->tree_view) {
496 if (! gtk_widget_get_realized (priv->tree_view))
499 gtk_tree_view_convert_tree_to_bin_window_coords (GTK_TREE_VIEW (priv->tree_view),
502 gtk_tree_view_convert_tree_to_bin_window_coords (GTK_TREE_VIEW (priv->tree_view),
503 0, (int) (value + page_size),
505 gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (priv->tree_view),
508 gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (priv->tree_view),
511 } else if (priv->icon_view) {
512 if (! gtk_widget_get_realized (priv->icon_view))
514 if (! gtk_icon_view_get_visible_range (GTK_ICON_VIEW (priv->icon_view), &path, &path2))
521 update_visible_range (sidebar_thumbnails,
522 gtk_tree_path_get_indices (path)[0],
523 gtk_tree_path_get_indices (path2)[0]);
526 gtk_tree_path_free (path);
527 gtk_tree_path_free (path2);
531 ev_sidebar_thumbnails_fill_model (EvSidebarThumbnails *sidebar_thumbnails)
533 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
536 gint prev_width = -1;
537 gint prev_height = -1;
539 for (i = 0; i < sidebar_thumbnails->priv->n_pages; i++) {
542 GdkPixbuf *loading_icon = NULL;
545 page_label = ev_document_get_page_label (priv->document, i);
546 page_string = g_markup_printf_escaped ("<i>%s</i>", page_label);
547 ev_thumbnails_size_cache_get_size (sidebar_thumbnails->priv->size_cache, i,
548 sidebar_thumbnails->priv->rotation,
550 if (!loading_icon || (width != prev_width && height != prev_height)) {
552 ev_sidebar_thumbnails_get_loading_icon (sidebar_thumbnails,
557 prev_height = height;
559 gtk_list_store_append (priv->list_store, &iter);
560 gtk_list_store_set (priv->list_store, &iter,
561 COLUMN_PAGE_STRING, page_string,
562 COLUMN_PIXBUF, loading_icon,
563 COLUMN_THUMBNAIL_SET, FALSE,
566 g_free (page_string);
571 ev_sidebar_tree_selection_changed (GtkTreeSelection *selection,
572 EvSidebarThumbnails *ev_sidebar_thumbnails)
574 EvSidebarThumbnailsPrivate *priv = ev_sidebar_thumbnails->priv;
579 if (!gtk_tree_selection_get_selected (selection, NULL, &iter))
582 path = gtk_tree_model_get_path (GTK_TREE_MODEL (priv->list_store),
584 page = gtk_tree_path_get_indices (path)[0];
585 gtk_tree_path_free (path);
587 ev_document_model_set_page (priv->model, page);
591 ev_sidebar_icon_selection_changed (GtkIconView *icon_view,
592 EvSidebarThumbnails *ev_sidebar_thumbnails)
594 EvSidebarThumbnailsPrivate *priv = ev_sidebar_thumbnails->priv;
599 selected = gtk_icon_view_get_selected_items (icon_view);
600 if (selected == NULL)
603 /* We don't handle or expect multiple selection. */
604 g_assert (selected->next == NULL);
606 path = selected->data;
607 page = gtk_tree_path_get_indices (path)[0];
609 gtk_tree_path_free (path);
610 g_list_free (selected);
612 ev_document_model_set_page (priv->model, page);
616 ev_sidebar_init_tree_view (EvSidebarThumbnails *ev_sidebar_thumbnails)
618 EvSidebarThumbnailsPrivate *priv;
619 GtkTreeSelection *selection;
620 GtkCellRenderer *renderer;
622 priv = ev_sidebar_thumbnails->priv;
623 priv->tree_view = gtk_tree_view_new_with_model (GTK_TREE_MODEL (priv->list_store));
625 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->tree_view));
626 g_signal_connect (selection, "changed",
627 G_CALLBACK (ev_sidebar_tree_selection_changed), ev_sidebar_thumbnails);
628 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (priv->tree_view), FALSE);
629 renderer = g_object_new (GTK_TYPE_CELL_RENDERER_PIXBUF,
633 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (priv->tree_view), -1,
637 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (priv->tree_view), -1,
638 NULL, gtk_cell_renderer_text_new (),
640 gtk_container_add (GTK_CONTAINER (priv->swindow), priv->tree_view);
641 gtk_widget_show (priv->tree_view);
645 ev_sidebar_init_icon_view (EvSidebarThumbnails *ev_sidebar_thumbnails)
647 EvSidebarThumbnailsPrivate *priv;
649 priv = ev_sidebar_thumbnails->priv;
651 priv->icon_view = gtk_icon_view_new_with_model (GTK_TREE_MODEL (priv->list_store));
652 gtk_icon_view_set_markup_column (GTK_ICON_VIEW (priv->icon_view), 0);
653 gtk_icon_view_set_pixbuf_column (GTK_ICON_VIEW (priv->icon_view), 1);
654 g_signal_connect (priv->icon_view, "selection-changed",
655 G_CALLBACK (ev_sidebar_icon_selection_changed), ev_sidebar_thumbnails);
657 gtk_container_add (GTK_CONTAINER (priv->swindow), priv->icon_view);
658 gtk_widget_show (priv->icon_view);
662 ev_sidebar_thumbnails_use_icon_view (EvSidebarThumbnails *sidebar_thumbnails)
664 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
666 return (ev_document_get_n_pages (priv->document) <= MAX_ICON_VIEW_PAGE_COUNT);
670 ev_sidebar_thumbnails_init (EvSidebarThumbnails *ev_sidebar_thumbnails)
672 EvSidebarThumbnailsPrivate *priv;
674 priv = ev_sidebar_thumbnails->priv = EV_SIDEBAR_THUMBNAILS_GET_PRIVATE (ev_sidebar_thumbnails);
676 priv->list_store = gtk_list_store_new (NUM_COLUMNS,
680 EV_TYPE_JOB_THUMBNAIL);
682 priv->swindow = gtk_scrolled_window_new (NULL, NULL);
684 /* We actually don't want GTK_POLICY_AUTOMATIC for horizontal scrollbar here
685 * it's just a workaround for bug #449462
687 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->swindow),
688 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
689 gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (priv->swindow),
691 priv->vadjustment = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->swindow));
692 g_signal_connect_data (priv->vadjustment, "value-changed",
693 G_CALLBACK (adjustment_changed_cb),
694 ev_sidebar_thumbnails, NULL,
695 G_CONNECT_SWAPPED | G_CONNECT_AFTER);
696 g_signal_connect_swapped (priv->swindow, "size-allocate",
697 G_CALLBACK (adjustment_changed_cb),
698 ev_sidebar_thumbnails);
699 gtk_box_pack_start (GTK_BOX (ev_sidebar_thumbnails), priv->swindow, TRUE, TRUE, 0);
701 /* Put it all together */
702 gtk_widget_show_all (priv->swindow);
706 ev_sidebar_thumbnails_set_current_page (EvSidebarThumbnails *sidebar,
709 GtkTreeView *tree_view;
712 path = gtk_tree_path_new_from_indices (page, -1);
714 if (sidebar->priv->tree_view) {
715 tree_view = GTK_TREE_VIEW (sidebar->priv->tree_view);
716 gtk_tree_view_set_cursor (tree_view, path, NULL, FALSE);
717 gtk_tree_view_scroll_to_cell (tree_view, path, NULL, FALSE, 0.0, 0.0);
718 } else if (sidebar->priv->icon_view) {
720 g_signal_handlers_block_by_func
721 (sidebar->priv->icon_view,
722 G_CALLBACK (ev_sidebar_icon_selection_changed), sidebar);
724 gtk_icon_view_select_path (GTK_ICON_VIEW (sidebar->priv->icon_view), path);
726 g_signal_handlers_unblock_by_func
727 (sidebar->priv->icon_view,
728 G_CALLBACK (ev_sidebar_icon_selection_changed), sidebar);
730 gtk_icon_view_set_cursor (GTK_ICON_VIEW (sidebar->priv->icon_view), path, NULL, FALSE);
733 gtk_tree_path_free (path);
737 page_changed_cb (EvSidebarThumbnails *sidebar,
741 ev_sidebar_thumbnails_set_current_page (sidebar, new_page);
745 refresh (EvSidebarThumbnails *sidebar_thumbnails)
747 adjustment_changed_cb (sidebar_thumbnails);
752 ev_sidebar_thumbnails_reload (EvSidebarThumbnails *sidebar_thumbnails)
754 EvDocumentModel *model;
756 if (sidebar_thumbnails->priv->loading_icons)
757 g_hash_table_remove_all (sidebar_thumbnails->priv->loading_icons);
759 if (sidebar_thumbnails->priv->document == NULL ||
760 sidebar_thumbnails->priv->n_pages <= 0)
763 model = sidebar_thumbnails->priv->model;
765 ev_sidebar_thumbnails_clear_model (sidebar_thumbnails);
766 ev_sidebar_thumbnails_fill_model (sidebar_thumbnails);
768 /* Trigger a redraw */
769 sidebar_thumbnails->priv->start_page = -1;
770 sidebar_thumbnails->priv->end_page = -1;
771 ev_sidebar_thumbnails_set_current_page (sidebar_thumbnails,
772 ev_document_model_get_page (model));
773 g_idle_add ((GSourceFunc)refresh, sidebar_thumbnails);
777 ev_sidebar_thumbnails_rotation_changed_cb (EvDocumentModel *model,
779 EvSidebarThumbnails *sidebar_thumbnails)
781 gint rotation = ev_document_model_get_rotation (model);
783 sidebar_thumbnails->priv->rotation = rotation;
784 ev_sidebar_thumbnails_reload (sidebar_thumbnails);
788 ev_sidebar_thumbnails_inverted_colors_changed_cb (EvDocumentModel *model,
790 EvSidebarThumbnails *sidebar_thumbnails)
792 gboolean inverted_colors = ev_document_model_get_inverted_colors (model);
794 sidebar_thumbnails->priv->inverted_colors = inverted_colors;
795 ev_sidebar_thumbnails_reload (sidebar_thumbnails);
799 thumbnail_job_completed_callback (EvJobThumbnail *job,
800 EvSidebarThumbnails *sidebar_thumbnails)
802 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
805 iter = (GtkTreeIter *) g_object_get_data (G_OBJECT (job), "tree_iter");
806 if (priv->inverted_colors)
807 ev_document_misc_invert_pixbuf (job->thumbnail);
808 gtk_list_store_set (priv->list_store,
810 COLUMN_PIXBUF, job->thumbnail,
811 COLUMN_THUMBNAIL_SET, TRUE,
817 ev_sidebar_thumbnails_document_changed_cb (EvDocumentModel *model,
819 EvSidebarThumbnails *sidebar_thumbnails)
821 EvDocument *document = ev_document_model_get_document (model);
822 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
824 if (ev_document_get_n_pages (document) <= 0 ||
825 !ev_document_check_dimensions (document)) {
829 priv->size_cache = ev_thumbnails_size_cache_get (document);
830 priv->document = document;
831 priv->n_pages = ev_document_get_n_pages (document);
832 priv->rotation = ev_document_model_get_rotation (model);
833 priv->inverted_colors = ev_document_model_get_inverted_colors (model);
834 priv->loading_icons = g_hash_table_new_full (g_str_hash,
836 (GDestroyNotify)g_free,
837 (GDestroyNotify)g_object_unref);
839 ev_sidebar_thumbnails_clear_model (sidebar_thumbnails);
840 ev_sidebar_thumbnails_fill_model (sidebar_thumbnails);
842 /* Create the view widget, and remove the old one, if needed */
843 if (ev_sidebar_thumbnails_use_icon_view (sidebar_thumbnails)) {
844 if (priv->tree_view) {
845 gtk_container_remove (GTK_CONTAINER (priv->swindow), priv->tree_view);
846 priv->tree_view = NULL;
849 if (! priv->icon_view) {
850 ev_sidebar_init_icon_view (sidebar_thumbnails);
851 g_object_notify (G_OBJECT (sidebar_thumbnails), "main_widget");
853 gtk_widget_queue_resize (priv->icon_view);
856 if (priv->icon_view) {
857 gtk_container_remove (GTK_CONTAINER (priv->swindow), priv->icon_view);
858 priv->icon_view = NULL;
861 if (! priv->tree_view) {
862 ev_sidebar_init_tree_view (sidebar_thumbnails);
863 g_object_notify (G_OBJECT (sidebar_thumbnails), "main_widget");
867 /* Connect to the signal and trigger a fake callback */
868 g_signal_connect_swapped (priv->model, "page-changed",
869 G_CALLBACK (page_changed_cb),
871 g_signal_connect (priv->model, "notify::rotation",
872 G_CALLBACK (ev_sidebar_thumbnails_rotation_changed_cb),
874 g_signal_connect (priv->model, "notify::inverted-colors",
875 G_CALLBACK (ev_sidebar_thumbnails_inverted_colors_changed_cb),
877 sidebar_thumbnails->priv->start_page = -1;
878 sidebar_thumbnails->priv->end_page = -1;
879 ev_sidebar_thumbnails_set_current_page (sidebar_thumbnails,
880 ev_document_model_get_page (model));
881 adjustment_changed_cb (sidebar_thumbnails);
885 ev_sidebar_thumbnails_set_model (EvSidebarPage *sidebar_page,
886 EvDocumentModel *model)
888 EvSidebarThumbnails *sidebar_thumbnails = EV_SIDEBAR_THUMBNAILS (sidebar_page);
889 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
891 if (priv->model == model)
895 g_signal_connect (model, "notify::document",
896 G_CALLBACK (ev_sidebar_thumbnails_document_changed_cb),
901 ev_sidebar_thumbnails_clear_job (GtkTreeModel *model,
908 gtk_tree_model_get (model, iter, COLUMN_JOB, &job, -1);
912 g_signal_handlers_disconnect_by_func (job, thumbnail_job_completed_callback, data);
913 g_object_unref (job);
920 ev_sidebar_thumbnails_clear_model (EvSidebarThumbnails *sidebar_thumbnails)
922 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
924 gtk_tree_model_foreach (GTK_TREE_MODEL (priv->list_store), ev_sidebar_thumbnails_clear_job, sidebar_thumbnails);
925 gtk_list_store_clear (priv->list_store);
929 ev_sidebar_thumbnails_support_document (EvSidebarPage *sidebar_page,
930 EvDocument *document)
936 ev_sidebar_thumbnails_get_label (EvSidebarPage *sidebar_page)
938 return _("Thumbnails");
942 ev_sidebar_thumbnails_page_iface_init (EvSidebarPageInterface *iface)
944 iface->support_document = ev_sidebar_thumbnails_support_document;
945 iface->set_model = ev_sidebar_thumbnails_set_model;
946 iface->get_label = ev_sidebar_thumbnails_get_label;