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-document-thumbnails.h"
36 #include "ev-job-scheduler.h"
37 #include "ev-sidebar-page.h"
38 #include "ev-sidebar-thumbnails.h"
40 #include "ev-window.h"
42 #define THUMBNAIL_WIDTH 100
44 /* The IconView doesn't scale nearly as well as the TreeView, so we arbitrarily
46 #define MAX_ICON_VIEW_PAGE_COUNT 1500
48 typedef struct _EvThumbsSize
54 typedef struct _EvThumbsSizeCache {
61 struct _EvSidebarThumbnailsPrivate {
65 GtkAdjustment *vadjustment;
66 GtkListStore *list_store;
67 GHashTable *loading_icons;
69 EvDocumentModel *model;
70 EvThumbsSizeCache *size_cache;
72 gint n_pages, pages_done;
75 gboolean inverted_colors;
78 gint start_page, end_page;
94 static void ev_sidebar_thumbnails_clear_model (EvSidebarThumbnails *sidebar);
95 static gboolean ev_sidebar_thumbnails_support_document (EvSidebarPage *sidebar_page,
96 EvDocument *document);
97 static void ev_sidebar_thumbnails_page_iface_init (EvSidebarPageInterface *iface);
98 static const gchar* ev_sidebar_thumbnails_get_label (EvSidebarPage *sidebar_page);
99 static void thumbnail_job_completed_callback (EvJobThumbnail *job,
100 EvSidebarThumbnails *sidebar_thumbnails);
101 static void adjustment_changed_cb (EvSidebarThumbnails *sidebar_thumbnails);
103 G_DEFINE_TYPE_EXTENDED (EvSidebarThumbnails,
104 ev_sidebar_thumbnails,
107 G_IMPLEMENT_INTERFACE (EV_TYPE_SIDEBAR_PAGE,
108 ev_sidebar_thumbnails_page_iface_init))
110 #define EV_SIDEBAR_THUMBNAILS_GET_PRIVATE(object) \
111 (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_SIDEBAR_THUMBNAILS, EvSidebarThumbnailsPrivate));
113 /* Thumbnails dimensions cache */
114 #define EV_THUMBNAILS_SIZE_CACHE_KEY "ev-thumbnails-size-cache"
117 get_thumbnail_size_for_page (EvDocument *document,
125 ev_document_get_page_size (document, page, &w, &h);
126 scale = (gdouble)THUMBNAIL_WIDTH / w;
128 *width = MAX ((gint)(w * scale + 0.5), 1);
129 *height = MAX ((gint)(h * scale + 0.5), 1);
132 static EvThumbsSizeCache *
133 ev_thumbnails_size_cache_new (EvDocument *document)
135 EvThumbsSizeCache *cache;
137 EvThumbsSize *thumb_size;
139 cache = g_new0 (EvThumbsSizeCache, 1);
141 if (ev_document_is_page_size_uniform (document)) {
142 cache->uniform = TRUE;
143 get_thumbnail_size_for_page (document, 0,
144 &cache->uniform_width,
145 &cache->uniform_height);
149 n_pages = ev_document_get_n_pages (document);
150 cache->sizes = g_new0 (EvThumbsSize, n_pages);
152 for (i = 0; i < n_pages; i++) {
153 thumb_size = &(cache->sizes[i]);
154 get_thumbnail_size_for_page (document, i,
156 &thumb_size->height);
163 ev_thumbnails_size_cache_get_size (EvThumbsSizeCache *cache,
171 if (cache->uniform) {
172 w = cache->uniform_width;
173 h = cache->uniform_height;
175 EvThumbsSize *thumb_size;
177 thumb_size = &(cache->sizes[page]);
179 w = thumb_size->width;
180 h = thumb_size->height;
183 if (rotation == 0 || rotation == 180) {
184 if (width) *width = w;
185 if (height) *height = h;
187 if (width) *width = h;
188 if (height) *height = w;
193 ev_thumbnails_size_cache_free (EvThumbsSizeCache *cache)
196 g_free (cache->sizes);
203 static EvThumbsSizeCache *
204 ev_thumbnails_size_cache_get (EvDocument *document)
206 EvThumbsSizeCache *cache;
208 cache = g_object_get_data (G_OBJECT (document), EV_THUMBNAILS_SIZE_CACHE_KEY);
210 cache = ev_thumbnails_size_cache_new (document);
211 g_object_set_data_full (G_OBJECT (document),
212 EV_THUMBNAILS_SIZE_CACHE_KEY,
214 (GDestroyNotify)ev_thumbnails_size_cache_free);
222 ev_sidebar_thumbnails_dispose (GObject *object)
224 EvSidebarThumbnails *sidebar_thumbnails = EV_SIDEBAR_THUMBNAILS (object);
226 if (sidebar_thumbnails->priv->loading_icons) {
227 g_hash_table_destroy (sidebar_thumbnails->priv->loading_icons);
228 sidebar_thumbnails->priv->loading_icons = NULL;
231 if (sidebar_thumbnails->priv->list_store) {
232 ev_sidebar_thumbnails_clear_model (sidebar_thumbnails);
233 g_object_unref (sidebar_thumbnails->priv->list_store);
234 sidebar_thumbnails->priv->list_store = NULL;
237 G_OBJECT_CLASS (ev_sidebar_thumbnails_parent_class)->dispose (object);
241 ev_sidebar_thumbnails_get_property (GObject *object,
246 EvSidebarThumbnails *sidebar = EV_SIDEBAR_THUMBNAILS (object);
250 if (sidebar->priv->tree_view)
251 g_value_set_object (value, sidebar->priv->tree_view);
253 g_value_set_object (value, sidebar->priv->icon_view);
256 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
262 ev_sidebar_thumbnails_map (GtkWidget *widget)
264 EvSidebarThumbnails *sidebar;
266 sidebar = EV_SIDEBAR_THUMBNAILS (widget);
268 GTK_WIDGET_CLASS (ev_sidebar_thumbnails_parent_class)->map (widget);
270 adjustment_changed_cb (sidebar);
274 ev_sidebar_thumbnails_class_init (EvSidebarThumbnailsClass *ev_sidebar_thumbnails_class)
276 GObjectClass *g_object_class;
277 GtkObjectClass *gtk_object_class;
278 GtkWidgetClass *widget_class;
280 g_object_class = G_OBJECT_CLASS (ev_sidebar_thumbnails_class);
281 gtk_object_class = GTK_OBJECT_CLASS (ev_sidebar_thumbnails_class);
282 widget_class = GTK_WIDGET_CLASS (ev_sidebar_thumbnails_class);
284 g_object_class->dispose = ev_sidebar_thumbnails_dispose;
285 g_object_class->get_property = ev_sidebar_thumbnails_get_property;
286 widget_class->map = ev_sidebar_thumbnails_map;
288 g_object_class_override_property (g_object_class,
292 g_type_class_add_private (g_object_class, sizeof (EvSidebarThumbnailsPrivate));
296 ev_sidebar_thumbnails_new (void)
298 GtkWidget *ev_sidebar_thumbnails;
300 ev_sidebar_thumbnails = g_object_new (EV_TYPE_SIDEBAR_THUMBNAILS, NULL);
302 return ev_sidebar_thumbnails;
306 ev_sidebar_thumbnails_get_loading_icon (EvSidebarThumbnails *sidebar_thumbnails,
310 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
314 key = g_strdup_printf ("%dx%d", width, height);
315 icon = g_hash_table_lookup (priv->loading_icons, key);
317 gboolean inverted_colors;
319 inverted_colors = ev_document_model_get_inverted_colors (priv->model);
320 icon = ev_document_misc_get_loading_thumbnail (width, height, inverted_colors);
321 g_hash_table_insert (priv->loading_icons, key, icon);
330 clear_range (EvSidebarThumbnails *sidebar_thumbnails,
334 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
338 gint prev_width = -1;
339 gint prev_height = -1;
341 g_assert (start_page <= end_page);
343 path = gtk_tree_path_new_from_indices (start_page, -1);
344 for (result = gtk_tree_model_get_iter (GTK_TREE_MODEL (priv->list_store), &iter, path);
345 result && start_page <= end_page;
346 result = gtk_tree_model_iter_next (GTK_TREE_MODEL (priv->list_store), &iter), start_page ++) {
348 GdkPixbuf *loading_icon = NULL;
351 gtk_tree_model_get (GTK_TREE_MODEL (priv->list_store),
357 g_signal_handlers_disconnect_by_func (job, thumbnail_job_completed_callback, sidebar_thumbnails);
358 ev_job_cancel (EV_JOB (job));
359 g_object_unref (job);
362 ev_thumbnails_size_cache_get_size (priv->size_cache, start_page,
365 if (!loading_icon || (width != prev_width && height != prev_height)) {
367 ev_sidebar_thumbnails_get_loading_icon (sidebar_thumbnails,
372 prev_height = height;
374 gtk_list_store_set (priv->list_store, &iter,
376 COLUMN_THUMBNAIL_SET, FALSE,
377 COLUMN_PIXBUF, loading_icon,
380 gtk_tree_path_free (path);
384 get_scale_for_page (EvSidebarThumbnails *sidebar_thumbnails,
387 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
390 ev_document_get_page_size (priv->document, page, &width, NULL);
392 return (gdouble)THUMBNAIL_WIDTH / width;
396 add_range (EvSidebarThumbnails *sidebar_thumbnails,
400 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
404 gint page = start_page;
406 g_assert (start_page <= end_page);
408 path = gtk_tree_path_new_from_indices (start_page, -1);
409 for (result = gtk_tree_model_get_iter (GTK_TREE_MODEL (priv->list_store), &iter, path);
410 result && page <= end_page;
411 result = gtk_tree_model_iter_next (GTK_TREE_MODEL (priv->list_store), &iter), page ++) {
413 gboolean thumbnail_set;
415 gtk_tree_model_get (GTK_TREE_MODEL (priv->list_store), &iter,
417 COLUMN_THUMBNAIL_SET, &thumbnail_set,
420 if (job == NULL && !thumbnail_set) {
421 job = ev_job_thumbnail_new (priv->document,
422 page, priv->rotation,
423 get_scale_for_page (sidebar_thumbnails, page));
424 ev_job_scheduler_push_job (EV_JOB (job), EV_JOB_PRIORITY_HIGH);
426 g_object_set_data_full (G_OBJECT (job), "tree_iter",
427 gtk_tree_iter_copy (&iter),
428 (GDestroyNotify) gtk_tree_iter_free);
429 g_signal_connect (job, "finished",
430 G_CALLBACK (thumbnail_job_completed_callback),
432 gtk_list_store_set (priv->list_store, &iter,
436 /* The queue and the list own a ref to the job now */
437 g_object_unref (job);
439 g_object_unref (job);
442 gtk_tree_path_free (path);
445 /* This modifies start */
447 update_visible_range (EvSidebarThumbnails *sidebar_thumbnails,
451 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
452 int old_start_page, old_end_page;
454 old_start_page = priv->start_page;
455 old_end_page = priv->end_page;
457 if (start_page == old_start_page &&
458 end_page == old_end_page)
461 /* Clear the areas we no longer display */
462 if (old_start_page >= 0 && old_start_page < start_page)
463 clear_range (sidebar_thumbnails, old_start_page, MIN (start_page - 1, old_end_page));
465 if (old_end_page > 0 && old_end_page > end_page)
466 clear_range (sidebar_thumbnails, MAX (end_page + 1, old_start_page), old_end_page);
468 add_range (sidebar_thumbnails, start_page, end_page);
470 priv->start_page = start_page;
471 priv->end_page = end_page;
475 adjustment_changed_cb (EvSidebarThumbnails *sidebar_thumbnails)
477 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
478 GtkTreePath *path = NULL;
479 GtkTreePath *path2 = NULL;
485 /* Widget is not currently visible */
486 if (!gtk_widget_get_mapped (GTK_WIDGET (sidebar_thumbnails)))
489 page_size = gtk_adjustment_get_page_size (priv->vadjustment);
494 value = gtk_adjustment_get_value (priv->vadjustment);
496 if (priv->tree_view) {
497 if (! gtk_widget_get_realized (priv->tree_view))
500 gtk_tree_view_convert_tree_to_bin_window_coords (GTK_TREE_VIEW (priv->tree_view),
503 gtk_tree_view_convert_tree_to_bin_window_coords (GTK_TREE_VIEW (priv->tree_view),
504 0, (int) (value + page_size),
506 gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (priv->tree_view),
509 gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (priv->tree_view),
512 } else if (priv->icon_view) {
513 if (! gtk_widget_get_realized (priv->icon_view))
515 if (! gtk_icon_view_get_visible_range (GTK_ICON_VIEW (priv->icon_view), &path, &path2))
522 update_visible_range (sidebar_thumbnails,
523 gtk_tree_path_get_indices (path)[0],
524 gtk_tree_path_get_indices (path2)[0]);
527 gtk_tree_path_free (path);
528 gtk_tree_path_free (path2);
532 ev_sidebar_thumbnails_fill_model (EvSidebarThumbnails *sidebar_thumbnails)
534 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
537 gint prev_width = -1;
538 gint prev_height = -1;
540 for (i = 0; i < sidebar_thumbnails->priv->n_pages; i++) {
543 GdkPixbuf *loading_icon = NULL;
546 page_label = ev_document_get_page_label (priv->document, i);
547 page_string = g_markup_printf_escaped ("<i>%s</i>", page_label);
548 ev_thumbnails_size_cache_get_size (sidebar_thumbnails->priv->size_cache, i,
549 sidebar_thumbnails->priv->rotation,
551 if (!loading_icon || (width != prev_width && height != prev_height)) {
553 ev_sidebar_thumbnails_get_loading_icon (sidebar_thumbnails,
558 prev_height = height;
560 gtk_list_store_append (priv->list_store, &iter);
561 gtk_list_store_set (priv->list_store, &iter,
562 COLUMN_PAGE_STRING, page_string,
563 COLUMN_PIXBUF, loading_icon,
564 COLUMN_THUMBNAIL_SET, FALSE,
567 g_free (page_string);
572 ev_sidebar_tree_selection_changed (GtkTreeSelection *selection,
573 EvSidebarThumbnails *ev_sidebar_thumbnails)
575 EvSidebarThumbnailsPrivate *priv = ev_sidebar_thumbnails->priv;
580 if (!gtk_tree_selection_get_selected (selection, NULL, &iter))
583 path = gtk_tree_model_get_path (GTK_TREE_MODEL (priv->list_store),
585 page = gtk_tree_path_get_indices (path)[0];
586 gtk_tree_path_free (path);
588 ev_document_model_set_page (priv->model, page);
592 ev_sidebar_icon_selection_changed (GtkIconView *icon_view,
593 EvSidebarThumbnails *ev_sidebar_thumbnails)
595 EvSidebarThumbnailsPrivate *priv = ev_sidebar_thumbnails->priv;
600 selected = gtk_icon_view_get_selected_items (icon_view);
601 if (selected == NULL)
604 /* We don't handle or expect multiple selection. */
605 g_assert (selected->next == NULL);
607 path = selected->data;
608 page = gtk_tree_path_get_indices (path)[0];
610 gtk_tree_path_free (path);
611 g_list_free (selected);
613 ev_document_model_set_page (priv->model, page);
617 ev_sidebar_init_tree_view (EvSidebarThumbnails *ev_sidebar_thumbnails)
619 EvSidebarThumbnailsPrivate *priv;
620 GtkTreeSelection *selection;
621 GtkCellRenderer *renderer;
623 priv = ev_sidebar_thumbnails->priv;
624 priv->tree_view = gtk_tree_view_new_with_model (GTK_TREE_MODEL (priv->list_store));
626 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->tree_view));
627 g_signal_connect (selection, "changed",
628 G_CALLBACK (ev_sidebar_tree_selection_changed), ev_sidebar_thumbnails);
629 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (priv->tree_view), FALSE);
630 renderer = g_object_new (GTK_TYPE_CELL_RENDERER_PIXBUF,
634 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (priv->tree_view), -1,
638 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (priv->tree_view), -1,
639 NULL, gtk_cell_renderer_text_new (),
641 gtk_container_add (GTK_CONTAINER (priv->swindow), priv->tree_view);
642 gtk_widget_show (priv->tree_view);
646 ev_sidebar_init_icon_view (EvSidebarThumbnails *ev_sidebar_thumbnails)
648 EvSidebarThumbnailsPrivate *priv;
650 priv = ev_sidebar_thumbnails->priv;
652 priv->icon_view = gtk_icon_view_new_with_model (GTK_TREE_MODEL (priv->list_store));
653 gtk_icon_view_set_markup_column (GTK_ICON_VIEW (priv->icon_view), 0);
654 gtk_icon_view_set_pixbuf_column (GTK_ICON_VIEW (priv->icon_view), 1);
655 g_signal_connect (priv->icon_view, "selection-changed",
656 G_CALLBACK (ev_sidebar_icon_selection_changed), ev_sidebar_thumbnails);
658 gtk_container_add (GTK_CONTAINER (priv->swindow), priv->icon_view);
659 gtk_widget_show (priv->icon_view);
663 ev_sidebar_thumbnails_use_icon_view (EvSidebarThumbnails *sidebar_thumbnails)
665 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
667 return (ev_document_get_n_pages (priv->document) <= MAX_ICON_VIEW_PAGE_COUNT);
671 ev_sidebar_thumbnails_init (EvSidebarThumbnails *ev_sidebar_thumbnails)
673 EvSidebarThumbnailsPrivate *priv;
675 priv = ev_sidebar_thumbnails->priv = EV_SIDEBAR_THUMBNAILS_GET_PRIVATE (ev_sidebar_thumbnails);
677 priv->list_store = gtk_list_store_new (NUM_COLUMNS,
681 EV_TYPE_JOB_THUMBNAIL);
683 priv->swindow = gtk_scrolled_window_new (NULL, NULL);
685 /* We actually don't want GTK_POLICY_AUTOMATIC for horizontal scrollbar here
686 * it's just a workaround for bug #449462
688 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->swindow),
689 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
690 gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (priv->swindow),
692 priv->vadjustment = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->swindow));
693 g_signal_connect_data (priv->vadjustment, "value-changed",
694 G_CALLBACK (adjustment_changed_cb),
695 ev_sidebar_thumbnails, NULL,
696 G_CONNECT_SWAPPED | G_CONNECT_AFTER);
697 g_signal_connect_swapped (priv->swindow, "size-allocate",
698 G_CALLBACK (adjustment_changed_cb),
699 ev_sidebar_thumbnails);
700 gtk_box_pack_start (GTK_BOX (ev_sidebar_thumbnails), priv->swindow, TRUE, TRUE, 0);
702 /* Put it all together */
703 gtk_widget_show_all (priv->swindow);
707 ev_sidebar_thumbnails_set_current_page (EvSidebarThumbnails *sidebar,
710 GtkTreeView *tree_view;
713 path = gtk_tree_path_new_from_indices (page, -1);
715 if (sidebar->priv->tree_view) {
716 tree_view = GTK_TREE_VIEW (sidebar->priv->tree_view);
717 gtk_tree_view_set_cursor (tree_view, path, NULL, FALSE);
718 gtk_tree_view_scroll_to_cell (tree_view, path, NULL, FALSE, 0.0, 0.0);
719 } else if (sidebar->priv->icon_view) {
721 g_signal_handlers_block_by_func
722 (sidebar->priv->icon_view,
723 G_CALLBACK (ev_sidebar_icon_selection_changed), sidebar);
725 gtk_icon_view_select_path (GTK_ICON_VIEW (sidebar->priv->icon_view), path);
727 g_signal_handlers_unblock_by_func
728 (sidebar->priv->icon_view,
729 G_CALLBACK (ev_sidebar_icon_selection_changed), sidebar);
731 gtk_icon_view_set_cursor (GTK_ICON_VIEW (sidebar->priv->icon_view), path, NULL, FALSE);
734 gtk_tree_path_free (path);
738 page_changed_cb (EvSidebarThumbnails *sidebar,
742 ev_sidebar_thumbnails_set_current_page (sidebar, new_page);
746 refresh (EvSidebarThumbnails *sidebar_thumbnails)
748 adjustment_changed_cb (sidebar_thumbnails);
753 ev_sidebar_thumbnails_reload (EvSidebarThumbnails *sidebar_thumbnails)
755 EvDocumentModel *model;
757 if (sidebar_thumbnails->priv->loading_icons)
758 g_hash_table_remove_all (sidebar_thumbnails->priv->loading_icons);
760 if (sidebar_thumbnails->priv->document == NULL ||
761 sidebar_thumbnails->priv->n_pages <= 0)
764 model = sidebar_thumbnails->priv->model;
766 ev_sidebar_thumbnails_clear_model (sidebar_thumbnails);
767 ev_sidebar_thumbnails_fill_model (sidebar_thumbnails);
769 /* Trigger a redraw */
770 sidebar_thumbnails->priv->start_page = -1;
771 sidebar_thumbnails->priv->end_page = -1;
772 ev_sidebar_thumbnails_set_current_page (sidebar_thumbnails,
773 ev_document_model_get_page (model));
774 g_idle_add ((GSourceFunc)refresh, sidebar_thumbnails);
778 ev_sidebar_thumbnails_rotation_changed_cb (EvDocumentModel *model,
780 EvSidebarThumbnails *sidebar_thumbnails)
782 gint rotation = ev_document_model_get_rotation (model);
784 sidebar_thumbnails->priv->rotation = rotation;
785 ev_sidebar_thumbnails_reload (sidebar_thumbnails);
789 ev_sidebar_thumbnails_inverted_colors_changed_cb (EvDocumentModel *model,
791 EvSidebarThumbnails *sidebar_thumbnails)
793 gboolean inverted_colors = ev_document_model_get_inverted_colors (model);
795 sidebar_thumbnails->priv->inverted_colors = inverted_colors;
796 ev_sidebar_thumbnails_reload (sidebar_thumbnails);
800 thumbnail_job_completed_callback (EvJobThumbnail *job,
801 EvSidebarThumbnails *sidebar_thumbnails)
803 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
806 iter = (GtkTreeIter *) g_object_get_data (G_OBJECT (job), "tree_iter");
807 if (priv->inverted_colors)
808 ev_document_misc_invert_pixbuf (job->thumbnail);
809 gtk_list_store_set (priv->list_store,
811 COLUMN_PIXBUF, job->thumbnail,
812 COLUMN_THUMBNAIL_SET, TRUE,
818 ev_sidebar_thumbnails_document_changed_cb (EvDocumentModel *model,
820 EvSidebarThumbnails *sidebar_thumbnails)
822 EvDocument *document = ev_document_model_get_document (model);
823 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
825 if (!EV_IS_DOCUMENT_THUMBNAILS (document) ||
826 ev_document_get_n_pages (document) <= 0 ||
827 !ev_document_check_dimensions (document)) {
831 priv->size_cache = ev_thumbnails_size_cache_get (document);
832 priv->document = document;
833 priv->n_pages = ev_document_get_n_pages (document);
834 priv->rotation = ev_document_model_get_rotation (model);
835 priv->inverted_colors = ev_document_model_get_inverted_colors (model);
836 priv->loading_icons = g_hash_table_new_full (g_str_hash,
838 (GDestroyNotify)g_free,
839 (GDestroyNotify)g_object_unref);
841 ev_sidebar_thumbnails_clear_model (sidebar_thumbnails);
842 ev_sidebar_thumbnails_fill_model (sidebar_thumbnails);
844 /* Create the view widget, and remove the old one, if needed */
845 if (ev_sidebar_thumbnails_use_icon_view (sidebar_thumbnails)) {
846 if (priv->tree_view) {
847 gtk_container_remove (GTK_CONTAINER (priv->swindow), priv->tree_view);
848 priv->tree_view = NULL;
851 if (! priv->icon_view) {
852 ev_sidebar_init_icon_view (sidebar_thumbnails);
853 g_object_notify (G_OBJECT (sidebar_thumbnails), "main_widget");
855 gtk_widget_queue_resize (priv->icon_view);
858 if (priv->icon_view) {
859 gtk_container_remove (GTK_CONTAINER (priv->swindow), priv->icon_view);
860 priv->icon_view = NULL;
863 if (! priv->tree_view) {
864 ev_sidebar_init_tree_view (sidebar_thumbnails);
865 g_object_notify (G_OBJECT (sidebar_thumbnails), "main_widget");
869 /* Connect to the signal and trigger a fake callback */
870 g_signal_connect_swapped (priv->model, "page-changed",
871 G_CALLBACK (page_changed_cb),
873 g_signal_connect (priv->model, "notify::rotation",
874 G_CALLBACK (ev_sidebar_thumbnails_rotation_changed_cb),
876 g_signal_connect (priv->model, "notify::inverted-colors",
877 G_CALLBACK (ev_sidebar_thumbnails_inverted_colors_changed_cb),
879 sidebar_thumbnails->priv->start_page = -1;
880 sidebar_thumbnails->priv->end_page = -1;
881 ev_sidebar_thumbnails_set_current_page (sidebar_thumbnails,
882 ev_document_model_get_page (model));
883 adjustment_changed_cb (sidebar_thumbnails);
887 ev_sidebar_thumbnails_set_model (EvSidebarPage *sidebar_page,
888 EvDocumentModel *model)
890 EvSidebarThumbnails *sidebar_thumbnails = EV_SIDEBAR_THUMBNAILS (sidebar_page);
891 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
893 if (priv->model == model)
897 g_signal_connect (model, "notify::document",
898 G_CALLBACK (ev_sidebar_thumbnails_document_changed_cb),
903 ev_sidebar_thumbnails_clear_job (GtkTreeModel *model,
910 gtk_tree_model_get (model, iter, COLUMN_JOB, &job, -1);
914 g_signal_handlers_disconnect_by_func (job, thumbnail_job_completed_callback, data);
915 g_object_unref (job);
922 ev_sidebar_thumbnails_clear_model (EvSidebarThumbnails *sidebar_thumbnails)
924 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
926 gtk_tree_model_foreach (GTK_TREE_MODEL (priv->list_store), ev_sidebar_thumbnails_clear_job, sidebar_thumbnails);
927 gtk_list_store_clear (priv->list_store);
931 ev_sidebar_thumbnails_support_document (EvSidebarPage *sidebar_page,
932 EvDocument *document)
934 return (EV_IS_DOCUMENT_THUMBNAILS (document));
938 ev_sidebar_thumbnails_get_label (EvSidebarPage *sidebar_page)
940 return _("Thumbnails");
944 ev_sidebar_thumbnails_page_iface_init (EvSidebarPageInterface *iface)
946 iface->support_document = ev_sidebar_thumbnails_support_document;
947 iface->set_model = ev_sidebar_thumbnails_set_model;
948 iface->get_label = ev_sidebar_thumbnails_get_label;