1 /* this file is part of evince, a gnome document viewer
3 * Copyright (C) 2004 Red Hat, Inc.
6 * Jonathan Blandford <jrb@alum.mit.edu>
8 * Evince is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * Evince is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
28 #include <glib/gi18n.h>
31 #include "ev-sidebar-links.h"
32 #include "ev-job-queue.h"
33 #include "ev-document-links.h"
34 #include "ev-window.h"
36 struct _EvSidebarLinksPrivate {
39 /* Keep these ids around for blocking */
41 guint page_changed_id;
46 EvPageCache *page_cache;
55 static void links_page_num_func (GtkTreeViewColumn *tree_column,
56 GtkCellRenderer *cell,
57 GtkTreeModel *tree_model,
59 EvSidebarLinks *sidebar_links);
60 static void update_page_callback (EvPageCache *page_cache,
62 EvSidebarLinks *sidebar_links);
65 G_DEFINE_TYPE (EvSidebarLinks, ev_sidebar_links, GTK_TYPE_VBOX)
67 #define EV_SIDEBAR_LINKS_GET_PRIVATE(object) \
68 (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_SIDEBAR_LINKS, EvSidebarLinksPrivate))
72 ev_sidebar_links_destroy (GtkObject *object)
74 EvSidebarLinks *ev_sidebar_links = (EvSidebarLinks *) object;
76 ev_sidebar_links_clear_document (ev_sidebar_links);
80 ev_sidebar_links_set_property (GObject *object,
85 EvSidebarLinks *ev_sidebar_links;
88 ev_sidebar_links = EV_SIDEBAR_LINKS (object);
93 model = ev_sidebar_links->priv->model;
94 ev_sidebar_links->priv->model = GTK_TREE_MODEL (g_value_dup_object (value));
96 g_object_unref (model);
99 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
105 ev_sidebar_links_get_property (GObject *object,
110 EvSidebarLinks *ev_sidebar_links;
112 ev_sidebar_links = EV_SIDEBAR_LINKS (object);
117 g_value_set_object (value, ev_sidebar_links->priv->model);
120 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
127 ev_sidebar_links_class_init (EvSidebarLinksClass *ev_sidebar_links_class)
129 GObjectClass *g_object_class;
130 GtkObjectClass *gtk_object_class;
132 g_object_class = G_OBJECT_CLASS (ev_sidebar_links_class);
133 gtk_object_class = GTK_OBJECT_CLASS (ev_sidebar_links_class);
135 g_object_class->set_property = ev_sidebar_links_set_property;
136 g_object_class->get_property = ev_sidebar_links_get_property;
138 gtk_object_class->destroy = ev_sidebar_links_destroy;
140 g_object_class_install_property (g_object_class,
142 g_param_spec_object ("model",
148 g_type_class_add_private (g_object_class, sizeof (EvSidebarLinksPrivate));
152 selection_changed_cb (GtkTreeSelection *selection,
153 EvSidebarLinks *ev_sidebar_links)
155 EvDocument *document;
159 g_return_if_fail (EV_IS_SIDEBAR_LINKS (ev_sidebar_links));
161 document = EV_DOCUMENT (ev_sidebar_links->priv->document);
162 g_return_if_fail (ev_sidebar_links->priv->document != NULL);
164 if (gtk_tree_selection_get_selected (selection, &model, &iter)) {
167 gtk_tree_model_get (model, &iter,
168 EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
174 g_signal_handler_block (ev_sidebar_links->priv->page_cache,
175 ev_sidebar_links->priv->page_changed_id);
176 /* FIXME: we should handle this better. This breaks w/ URLs */
177 ev_page_cache_set_link (ev_sidebar_links->priv->page_cache, link);
178 g_signal_handler_unblock (ev_sidebar_links->priv->page_cache,
179 ev_sidebar_links->priv->page_changed_id);
183 static GtkTreeModel *
184 create_loading_model (void)
186 GtkTreeModel *retval;
190 /* Creates a fake model to indicate that we're loading */
191 retval = (GtkTreeModel *)gtk_list_store_new (EV_DOCUMENT_LINKS_COLUMN_NUM_COLUMNS,
195 gtk_list_store_append (GTK_LIST_STORE (retval), &iter);
196 markup = g_strdup_printf ("<span size=\"larger\" style=\"italic\">%s</span>", _("Loading..."));
197 gtk_list_store_set (GTK_LIST_STORE (retval), &iter,
198 EV_DOCUMENT_LINKS_COLUMN_MARKUP, markup,
199 EV_DOCUMENT_LINKS_COLUMN_LINK, NULL,
207 ev_sidebar_links_construct (EvSidebarLinks *ev_sidebar_links)
209 EvSidebarLinksPrivate *priv;
211 GtkTreeViewColumn *column;
212 GtkCellRenderer *renderer;
213 GtkTreeSelection *selection;
214 GtkTreeModel *loading_model;
216 priv = ev_sidebar_links->priv;
218 swindow = gtk_scrolled_window_new (NULL, NULL);
220 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow),
221 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
222 gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (swindow),
225 /* Create tree view */
226 loading_model = create_loading_model ();
227 priv->tree_view = gtk_tree_view_new_with_model (loading_model);
228 g_object_unref (loading_model);
230 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->tree_view));
231 gtk_tree_selection_set_mode (selection, GTK_SELECTION_NONE);
232 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (priv->tree_view), FALSE);
233 gtk_container_add (GTK_CONTAINER (swindow), priv->tree_view);
235 gtk_box_pack_start (GTK_BOX (ev_sidebar_links), swindow, TRUE, TRUE, 0);
236 gtk_widget_show_all (GTK_WIDGET (ev_sidebar_links));
238 column = gtk_tree_view_column_new ();
239 gtk_tree_view_column_set_expand (GTK_TREE_VIEW_COLUMN (column), TRUE);
240 gtk_tree_view_append_column (GTK_TREE_VIEW (priv->tree_view), column);
242 renderer = (GtkCellRenderer*)
243 g_object_new (GTK_TYPE_CELL_RENDERER_TEXT,
244 "ellipsize", PANGO_ELLIPSIZE_END,
246 gtk_tree_view_column_pack_start (GTK_TREE_VIEW_COLUMN (column), renderer, TRUE);
247 gtk_tree_view_column_set_attributes (GTK_TREE_VIEW_COLUMN (column), renderer,
248 "markup", EV_DOCUMENT_LINKS_COLUMN_MARKUP,
252 renderer = gtk_cell_renderer_text_new ();
253 gtk_tree_view_column_pack_end (GTK_TREE_VIEW_COLUMN (column), renderer, FALSE);
254 gtk_tree_view_column_set_cell_data_func (GTK_TREE_VIEW_COLUMN (column), renderer,
255 (GtkTreeCellDataFunc) links_page_num_func,
256 ev_sidebar_links, NULL);
262 ev_sidebar_links_init (EvSidebarLinks *ev_sidebar_links)
264 ev_sidebar_links->priv = EV_SIDEBAR_LINKS_GET_PRIVATE (ev_sidebar_links);
266 ev_sidebar_links_construct (ev_sidebar_links);
270 links_page_num_func (GtkTreeViewColumn *tree_column,
271 GtkCellRenderer *cell,
272 GtkTreeModel *tree_model,
274 EvSidebarLinks *sidebar_links)
278 gtk_tree_model_get (tree_model, iter,
279 EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
283 ev_link_get_link_type (link) == EV_LINK_TYPE_PAGE) {
287 page_label = ev_page_cache_get_page_label (sidebar_links->priv->page_cache, ev_link_get_page (link));
288 page_string = g_markup_printf_escaped ("<i>%s</i>", page_label);
291 "markup", page_string,
296 g_free (page_string);
304 /* Public Functions */
307 ev_sidebar_links_new (void)
309 GtkWidget *ev_sidebar_links;
311 ev_sidebar_links = g_object_new (EV_TYPE_SIDEBAR_LINKS, NULL);
313 return ev_sidebar_links;
317 ev_sidebar_links_clear_document (EvSidebarLinks *sidebar_links)
319 EvSidebarLinksPrivate *priv;
321 g_return_if_fail (EV_IS_SIDEBAR_LINKS (sidebar_links));
323 priv = sidebar_links->priv;
325 if (priv->document) {
326 g_object_unref (priv->document);
327 priv->document = NULL;
328 priv->page_cache = NULL;
331 gtk_tree_view_set_model (GTK_TREE_VIEW (priv->tree_view), NULL);
335 update_page_callback_foreach (GtkTreeModel *model,
340 EvSidebarLinks *sidebar_links = (data);
343 gtk_tree_model_get (model, iter,
344 EV_DOCUMENT_LINKS_COLUMN_LINK, &link,
347 if (link && ev_link_get_link_type (link) == EV_LINK_TYPE_PAGE) {
350 current_page = ev_page_cache_get_current_page (sidebar_links->priv->page_cache);
351 if (ev_link_get_page (link) == current_page) {
352 GtkTreeSelection *selection;
354 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (sidebar_links->priv->tree_view));
356 gtk_tree_selection_select_path (selection, path);
366 update_page_callback (EvPageCache *page_cache,
368 EvSidebarLinks *sidebar_links)
370 GtkTreeSelection *selection;
371 /* We go through the tree linearly looking for the first page that
372 * matches. This is pretty inefficient. We can do something neat with
373 * a GtkTreeModelSort here to make it faster, if it turns out to be
377 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (sidebar_links->priv->tree_view));
379 g_signal_handler_block (selection, sidebar_links->priv->selection_id);
381 gtk_tree_selection_unselect_all (selection);
382 gtk_tree_model_foreach (sidebar_links->priv->model,
383 update_page_callback_foreach,
386 g_signal_handler_unblock (selection, sidebar_links->priv->selection_id);
390 job_finished_cb (EvJobLinks *job,
391 EvSidebarLinks *sidebar_links)
393 EvSidebarLinksPrivate *priv;
394 GtkTreeSelection *selection;
399 priv = sidebar_links->priv;
401 priv->model = g_object_ref (job->model);
402 g_object_notify (G_OBJECT (sidebar_links), "model");
404 gtk_tree_view_set_model (GTK_TREE_VIEW (priv->tree_view), job->model);
405 g_object_unref (job);
407 /* Expand one level of the tree */
408 path = gtk_tree_path_new_first ();
409 for (result = gtk_tree_model_get_iter_first (priv->model, &iter);
411 result = gtk_tree_model_iter_next (priv->model, &iter)) {
412 gtk_tree_view_expand_row (GTK_TREE_VIEW (priv->tree_view), path, FALSE);
413 gtk_tree_path_next (path);
415 gtk_tree_path_free (path);
417 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->tree_view));
418 gtk_tree_selection_set_mode (selection, GTK_SELECTION_SINGLE);
419 priv->selection_id = g_signal_connect (selection, "changed",
420 G_CALLBACK (selection_changed_cb),
422 priv->page_changed_id = g_signal_connect (priv->page_cache, "page-changed",
423 G_CALLBACK (update_page_callback),
425 update_page_callback (priv->page_cache,
426 ev_page_cache_get_current_page (priv->page_cache),
432 ev_sidebar_links_set_document (EvSidebarLinks *sidebar_links,
433 EvDocument *document)
435 EvSidebarLinksPrivate *priv;
437 g_return_if_fail (EV_IS_SIDEBAR_LINKS (sidebar_links));
438 g_return_if_fail (EV_IS_DOCUMENT (document));
440 priv = sidebar_links->priv;
442 g_object_ref (document);
444 priv->document = document;
445 priv->page_cache = ev_document_get_page_cache (document);
447 priv->job = ev_job_links_new (document);
448 g_signal_connect (priv->job,
450 G_CALLBACK (job_finished_cb),
452 /* The priority doesn't matter for this job */
453 ev_job_queue_add_job (priv->job, EV_JOB_PRIORITY_LOW);