1 /* this file is part of evince, a gnome document viewer
3 * Copyright (C) 2004 Red Hat, Inc.
4 * Copyright (C) 2004 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
32 #include "ev-sidebar-thumbnails.h"
33 #include "ev-document-thumbnails.h"
36 #define THUMBNAIL_WIDTH 75
37 /* Amount of time we devote to each iteration of the idle, in microseconds */
38 #define IDLE_WORK_LENGTH 5000
40 struct _EvSidebarThumbnailsPrivate {
42 GtkListStore *list_store;
46 gint current_page, n_pages;
55 static GtkVBoxClass *parent_class;
57 G_DEFINE_TYPE (EvSidebarThumbnails, ev_sidebar_thumbnails, GTK_TYPE_VBOX);
59 #define EV_SIDEBAR_THUMBNAILS_GET_PRIVATE(object) \
60 (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_SIDEBAR_THUMBNAILS, EvSidebarThumbnailsPrivate));
63 ev_sidebar_thumbnails_destroy (GtkObject *object)
65 EvSidebarThumbnails *ev_sidebar_thumbnails = EV_SIDEBAR_THUMBNAILS (object);
66 EvSidebarThumbnailsPrivate *priv = ev_sidebar_thumbnails->priv;
68 if (priv->idle_id != 0) {
69 g_source_remove (priv->idle_id);
74 GTK_OBJECT_CLASS (parent_class)->destroy (object);
78 ev_sidebar_thumbnails_class_init (EvSidebarThumbnailsClass *ev_sidebar_thumbnails_class)
80 GObjectClass *g_object_class;
81 GtkObjectClass *gtk_object_class;
83 g_object_class = G_OBJECT_CLASS (ev_sidebar_thumbnails_class);
84 gtk_object_class = GTK_OBJECT_CLASS (ev_sidebar_thumbnails_class);
86 parent_class = g_type_class_peek_parent (ev_sidebar_thumbnails_class);
88 gtk_object_class->destroy = ev_sidebar_thumbnails_destroy;
90 g_type_class_add_private (g_object_class, sizeof (EvSidebarThumbnailsPrivate));
95 ev_sidebar_thumbnails_init (EvSidebarThumbnails *ev_sidebar_thumbnails)
98 EvSidebarThumbnailsPrivate *priv;
99 GtkCellRenderer *renderer;
101 priv = ev_sidebar_thumbnails->priv = EV_SIDEBAR_THUMBNAILS_GET_PRIVATE (ev_sidebar_thumbnails);
103 priv->list_store = gtk_list_store_new (NUM_COLUMNS, G_TYPE_STRING, GDK_TYPE_PIXBUF);
104 priv->tree_view = gtk_tree_view_new_with_model (GTK_TREE_MODEL (priv->list_store));
106 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (priv->tree_view), FALSE);
107 renderer = g_object_new (GTK_TYPE_CELL_RENDERER_PIXBUF,
111 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (priv->tree_view), -1,
115 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (priv->tree_view), -1,
116 NULL, gtk_cell_renderer_text_new (),
119 g_object_unref (priv->list_store);
121 swindow = gtk_scrolled_window_new (NULL, NULL);
122 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow),
123 GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
124 gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (swindow),
127 gtk_container_add (GTK_CONTAINER (swindow), priv->tree_view);
128 gtk_box_pack_start (GTK_BOX (ev_sidebar_thumbnails), swindow, TRUE, TRUE, 0);
130 gtk_widget_show_all (swindow);
134 ev_sidebar_thumbnails_new (void)
136 GtkWidget *ev_sidebar_thumbnails;
138 ev_sidebar_thumbnails = g_object_new (EV_TYPE_SIDEBAR_THUMBNAILS, NULL);
140 return ev_sidebar_thumbnails;
144 do_one_iteration (EvSidebarThumbnails *ev_sidebar_thumbnails)
146 EvSidebarThumbnailsPrivate *priv = ev_sidebar_thumbnails->priv;
151 pixbuf = ev_document_thumbnails_get_thumbnail (EV_DOCUMENT_THUMBNAILS (priv->document),
152 priv->current_page, THUMBNAIL_WIDTH);
154 path = gtk_tree_path_new_from_indices (priv->current_page, -1);
155 gtk_tree_model_get_iter (GTK_TREE_MODEL (priv->list_store), &iter, path);
156 gtk_tree_path_free (path);
158 gtk_list_store_set (priv->list_store, &iter,
159 COLUMN_PIXBUF, pixbuf,
162 g_object_unref (pixbuf);
164 priv->current_page++;
166 if (priv->current_page == priv->n_pages)
173 populate_thumbnails_idle (gpointer data)
177 gulong microseconds = 0;
179 EvSidebarThumbnails *ev_sidebar_thumbnails = EV_SIDEBAR_THUMBNAILS (data);
180 EvSidebarThumbnailsPrivate *priv = ev_sidebar_thumbnails->priv;
182 if (priv->current_page == priv->n_pages) {
187 timer = g_timer_new ();
189 g_timer_start (timer);
190 while (do_one_iteration (ev_sidebar_thumbnails)) {
192 g_timer_elapsed (timer, µseconds);
193 if (microseconds > IDLE_WORK_LENGTH)
196 g_timer_destroy (timer);
198 g_print ("%d rows done this idle in %d\n", i, (int)microseconds);
205 ev_sidebar_thumbnails_set_document (EvSidebarThumbnails *sidebar_thumbnails,
206 EvDocument *document)
209 GdkPixbuf *loading_icon;
211 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
213 g_return_if_fail (EV_IS_DOCUMENT_THUMBNAILS (document));
215 if (priv->idle_id != 0) {
216 g_source_remove (priv->idle_id);
219 theme = gtk_icon_theme_get_for_screen (gtk_widget_get_screen (GTK_WIDGET (sidebar_thumbnails)));
221 loading_icon = gtk_icon_theme_load_icon (theme, "gnome-fs-loading-icon",
222 THUMBNAIL_WIDTH, 0, NULL);
224 n_pages = ev_document_get_n_pages (document);
226 for (i = 0; i < n_pages; i++) {
230 page = g_strdup_printf ("<i>%d</i>", i + 1);
231 gtk_list_store_append (sidebar_thumbnails->priv->list_store,
233 gtk_list_store_set (sidebar_thumbnails->priv->list_store,
235 COLUMN_PAGE_STRING, page,
236 COLUMN_PIXBUF, loading_icon,
241 priv->document = document;
242 priv->idle_id = g_idle_add (populate_thumbnails_idle, sidebar_thumbnails);
243 priv->n_pages = n_pages;
244 priv->current_page = 0;