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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
32 #include "ev-sidebar-thumbnails.h"
33 #include "ev-document-thumbnails.h"
34 #include "ev-document-misc.h"
37 #define THUMBNAIL_WIDTH 75
38 /* Amount of time we devote to each iteration of the idle, in microseconds */
39 #define IDLE_WORK_LENGTH 5000
41 struct _EvSidebarThumbnailsPrivate {
43 GtkAdjustment *vadjustment;
44 GtkListStore *list_store;
48 gint current_page, n_pages, pages_done;
49 GtkTreeIter current_page_iter;
59 static GtkVBoxClass *parent_class;
61 G_DEFINE_TYPE (EvSidebarThumbnails, ev_sidebar_thumbnails, GTK_TYPE_VBOX);
63 #define EV_SIDEBAR_THUMBNAILS_GET_PRIVATE(object) \
64 (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_SIDEBAR_THUMBNAILS, EvSidebarThumbnailsPrivate));
67 ev_sidebar_thumbnails_destroy (GtkObject *object)
69 EvSidebarThumbnails *ev_sidebar_thumbnails = EV_SIDEBAR_THUMBNAILS (object);
70 EvSidebarThumbnailsPrivate *priv = ev_sidebar_thumbnails->priv;
72 if (priv->idle_id != 0) {
73 g_source_remove (priv->idle_id);
78 GTK_OBJECT_CLASS (parent_class)->destroy (object);
82 ev_sidebar_thumbnails_class_init (EvSidebarThumbnailsClass *ev_sidebar_thumbnails_class)
84 GObjectClass *g_object_class;
85 GtkObjectClass *gtk_object_class;
87 g_object_class = G_OBJECT_CLASS (ev_sidebar_thumbnails_class);
88 gtk_object_class = GTK_OBJECT_CLASS (ev_sidebar_thumbnails_class);
90 parent_class = g_type_class_peek_parent (ev_sidebar_thumbnails_class);
92 gtk_object_class->destroy = ev_sidebar_thumbnails_destroy;
94 g_type_class_add_private (g_object_class, sizeof (EvSidebarThumbnailsPrivate));
99 adjustment_changed_cb (GtkAdjustment *adjustment,
100 EvSidebarThumbnails *ev_sidebar_thumbnails)
102 EvSidebarThumbnailsPrivate *priv;
106 gboolean thumbnail_set;
108 priv = ev_sidebar_thumbnails->priv = EV_SIDEBAR_THUMBNAILS_GET_PRIVATE (ev_sidebar_thumbnails);
110 gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (priv->tree_view),
116 page = gtk_tree_path_get_indices (path)[0];
117 if (page == priv->current_page)
119 gtk_tree_model_get_iter (GTK_TREE_MODEL (priv->list_store),
121 gtk_tree_model_get (GTK_TREE_MODEL (priv->list_store), &iter,
122 COLUMN_THUMBNAIL_SET, &thumbnail_set,
124 if (! thumbnail_set) {
125 priv->current_page = page;
126 priv->current_page_iter = iter;
132 ev_sidebar_tree_selection_changed (GtkTreeSelection *selection,
133 EvSidebarThumbnails *ev_sidebar_thumbnails)
135 EvSidebarThumbnailsPrivate *priv;
140 priv = ev_sidebar_thumbnails->priv = EV_SIDEBAR_THUMBNAILS_GET_PRIVATE (ev_sidebar_thumbnails);
142 if (!gtk_tree_selection_get_selected (selection, NULL, &iter))
145 path = gtk_tree_model_get_path (GTK_TREE_MODEL (priv->list_store),
148 page = gtk_tree_path_get_indices (path)[0] + 1;
150 gtk_tree_path_free (path);
152 ev_document_set_page (priv->document, page);
156 ev_sidebar_thumbnails_init (EvSidebarThumbnails *ev_sidebar_thumbnails)
159 EvSidebarThumbnailsPrivate *priv;
160 GtkCellRenderer *renderer;
161 GtkTreeSelection *selection;
163 priv = ev_sidebar_thumbnails->priv = EV_SIDEBAR_THUMBNAILS_GET_PRIVATE (ev_sidebar_thumbnails);
165 priv->list_store = gtk_list_store_new (NUM_COLUMNS, G_TYPE_STRING, GDK_TYPE_PIXBUF, G_TYPE_BOOLEAN);
166 priv->tree_view = gtk_tree_view_new_with_model (GTK_TREE_MODEL (priv->list_store));
168 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->tree_view));
169 g_signal_connect (selection, "changed",
170 G_CALLBACK (ev_sidebar_tree_selection_changed), ev_sidebar_thumbnails);
171 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (priv->tree_view), FALSE);
172 renderer = g_object_new (GTK_TYPE_CELL_RENDERER_PIXBUF,
176 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (priv->tree_view), -1,
180 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (priv->tree_view), -1,
181 NULL, gtk_cell_renderer_text_new (),
184 g_object_unref (priv->list_store);
186 swindow = gtk_scrolled_window_new (NULL, NULL);
187 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow),
188 GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
189 gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (swindow),
191 priv->vadjustment = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (swindow));
192 g_signal_connect (G_OBJECT (priv->vadjustment), "value-changed",
193 G_CALLBACK (adjustment_changed_cb),
194 ev_sidebar_thumbnails);
195 gtk_container_add (GTK_CONTAINER (swindow), priv->tree_view);
196 gtk_box_pack_start (GTK_BOX (ev_sidebar_thumbnails), swindow, TRUE, TRUE, 0);
198 gtk_widget_show_all (swindow);
202 ev_sidebar_thumbnails_new (void)
204 GtkWidget *ev_sidebar_thumbnails;
206 ev_sidebar_thumbnails = g_object_new (EV_TYPE_SIDEBAR_THUMBNAILS, NULL);
208 return ev_sidebar_thumbnails;
212 do_one_iteration (EvSidebarThumbnails *ev_sidebar_thumbnails)
214 EvSidebarThumbnailsPrivate *priv = ev_sidebar_thumbnails->priv;
216 gboolean thumbnail_set;
218 gtk_tree_model_get (GTK_TREE_MODEL (priv->list_store),
219 &(priv->current_page_iter),
220 COLUMN_THUMBNAIL_SET, &thumbnail_set,
222 if (!thumbnail_set) {
223 pixbuf = ev_document_thumbnails_get_thumbnail (EV_DOCUMENT_THUMBNAILS (priv->document),
224 priv->current_page, THUMBNAIL_WIDTH);
226 gtk_list_store_set (priv->list_store,
227 &(priv->current_page_iter),
228 COLUMN_PIXBUF, pixbuf,
231 g_object_unref (pixbuf);
235 priv->current_page++;
237 if (priv->current_page == priv->n_pages) {
238 priv->current_page = 0;
239 gtk_tree_model_get_iter_first (GTK_TREE_MODEL (priv->list_store),
240 &(priv->current_page_iter));
242 gtk_tree_model_iter_next (GTK_TREE_MODEL (priv->list_store),
243 &(priv->current_page_iter));
246 if (priv->pages_done == priv->n_pages)
253 populate_thumbnails_idle (gpointer data)
257 gdouble time_elapsed = 0;
259 EvSidebarThumbnails *ev_sidebar_thumbnails = EV_SIDEBAR_THUMBNAILS (data);
260 EvSidebarThumbnailsPrivate *priv = ev_sidebar_thumbnails->priv;
262 #if PROFILE_THUMB == 1
263 static GTimer *total_timer;
264 static gboolean first_time = TRUE;
267 total_timer = g_timer_new ();
269 g_timer_start (total_timer);
273 /* undo the thumbnailing idle and handler */
274 if (priv->pages_done == priv->n_pages) {
276 g_signal_handlers_disconnect_by_func (priv->vadjustment,
277 adjustment_changed_cb,
278 ev_sidebar_thumbnails);
279 #if PROFILE_THUMB == 1
280 time_elapsed = g_timer_elapsed (total_timer, NULL);
281 g_timer_destroy (total_timer);
282 g_print ("%d rows done in %f seconds\n",
283 gtk_tree_model_iter_n_children (GTK_TREE_MODEL (priv->list_store), NULL),
289 timer = g_timer_new ();
291 g_timer_start (timer);
292 while (do_one_iteration (ev_sidebar_thumbnails)) {
294 time_elapsed = g_timer_elapsed (timer, NULL);
295 if (time_elapsed > IDLE_WORK_LENGTH/1000000)
298 g_timer_destroy (timer);
299 #if PROFILE_THUMB == 2
300 g_print ("%d rows done this idle in %f seconds\n", i, time_elapsed);
307 ev_sidebar_thumbnails_set_document (EvSidebarThumbnails *sidebar_thumbnails,
308 EvDocument *document)
310 GdkPixbuf *loading_icon;
314 gint width = THUMBNAIL_WIDTH;
315 gint height = THUMBNAIL_WIDTH;
317 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
319 g_return_if_fail (EV_IS_DOCUMENT_THUMBNAILS (document));
321 if (priv->idle_id != 0) {
322 g_source_remove (priv->idle_id);
324 n_pages = ev_document_get_n_pages (document);
326 priv->document = document;
327 priv->idle_id = g_idle_add (populate_thumbnails_idle, sidebar_thumbnails);
328 priv->n_pages = n_pages;
330 /* We get the dimensions of the first doc so that we can make a blank
332 ev_document_thumbnails_get_dimensions (EV_DOCUMENT_THUMBNAILS (priv->document),
333 0, THUMBNAIL_WIDTH, &width, &height);
334 loading_icon = ev_document_misc_get_thumbnail_frame (width, height, NULL);
336 for (i = 0; i < n_pages; i++) {
337 page = g_strdup_printf ("<i>%d</i>", i + 1);
338 gtk_list_store_append (priv->list_store, &iter);
339 gtk_list_store_set (priv->list_store, &iter,
340 COLUMN_PAGE_STRING, page,
341 COLUMN_PIXBUF, loading_icon,
342 COLUMN_THUMBNAIL_SET, FALSE,
347 g_object_unref (loading_icon);
348 gtk_tree_model_get_iter_first (GTK_TREE_MODEL (priv->list_store),
349 &(priv->current_page_iter));
350 priv->current_page = 0;
351 priv->pages_done = 0;