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.
30 #include "ev-sidebar-bookmarks.h"
31 #include "ev-document-bookmarks.h"
33 /* Amount of time we devote to each iteration of the idle, in microseconds */
34 #define IDLE_WORK_LENGTH 5000
37 EvDocumentBookmarksIter *bookmarks_iter;
38 GtkTreeIter *tree_iter;
41 struct _EvSidebarBookmarksPrivate {
44 EvDocument *current_document;
50 BOOKMARKS_COLUMN_MARKUP,
51 BOOKMARKS_COLUMN_PAGE_NUM,
52 BOOKMARKS_COLUMN_PAGE_VALID,
53 BOOKMARKS_COLUMN_NUM_COLUMNS
56 static void bookmarks_page_num_func (GtkTreeViewColumn *tree_column,
57 GtkCellRenderer *cell,
58 GtkTreeModel *tree_model,
62 G_DEFINE_TYPE (EvSidebarBookmarks, ev_sidebar_bookmarks, GTK_TYPE_VBOX)
64 #define EV_SIDEBAR_BOOKMARKS_GET_PRIVATE(object) \
65 (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_SIDEBAR_BOOKMARKS, EvSidebarBookmarksPrivate))
69 ev_sidebar_bookmarks_destroy (GtkObject *object)
71 EvSidebarBookmarks *ev_sidebar_bookmarks = (EvSidebarBookmarks *) object;
73 g_print ("ev_sidebar_bookmarks_destroy!\n");
74 ev_sidebar_bookmarks_clear_document (ev_sidebar_bookmarks);
78 ev_sidebar_bookmarks_class_init (EvSidebarBookmarksClass *ev_sidebar_bookmarks_class)
80 GObjectClass *g_object_class;
81 GtkObjectClass *gtk_object_class;
83 g_object_class = G_OBJECT_CLASS (ev_sidebar_bookmarks_class);
84 gtk_object_class = GTK_OBJECT_CLASS (ev_sidebar_bookmarks_class);
86 gtk_object_class->destroy = ev_sidebar_bookmarks_destroy;
88 g_type_class_add_private (g_object_class, sizeof (EvSidebarBookmarksPrivate));
93 ev_sidebar_bookmarks_construct (EvSidebarBookmarks *ev_sidebar_bookmarks)
95 EvSidebarBookmarksPrivate *priv;
97 GtkTreeViewColumn *column;
98 GtkCellRenderer *renderer;
100 priv = ev_sidebar_bookmarks->priv;
101 priv->model = (GtkTreeModel *) gtk_tree_store_new (BOOKMARKS_COLUMN_NUM_COLUMNS,
106 swindow = gtk_scrolled_window_new (NULL, NULL);
108 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow),
109 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
110 gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (swindow),
113 /* Create tree view */
114 priv->tree_view = gtk_tree_view_new_with_model (priv->model);
115 g_object_unref (priv->model);
116 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (priv->tree_view), FALSE);
117 gtk_container_add (GTK_CONTAINER (swindow), priv->tree_view);
118 gtk_tree_view_set_rules_hint (GTK_TREE_VIEW (priv->tree_view), TRUE);
120 gtk_box_pack_start (GTK_BOX (ev_sidebar_bookmarks), swindow, TRUE, TRUE, 0);
121 gtk_widget_show_all (GTK_WIDGET (ev_sidebar_bookmarks));
123 column = gtk_tree_view_column_new ();
124 gtk_tree_view_column_set_expand (GTK_TREE_VIEW_COLUMN (column), TRUE);
125 gtk_tree_view_append_column (GTK_TREE_VIEW (priv->tree_view), column);
127 renderer = (GtkCellRenderer*)
128 g_object_new (GTK_TYPE_CELL_RENDERER_TEXT,
129 "ellipsize", PANGO_ELLIPSIZE_END,
131 gtk_tree_view_column_pack_start (GTK_TREE_VIEW_COLUMN (column), renderer, TRUE);
132 gtk_tree_view_column_set_attributes (GTK_TREE_VIEW_COLUMN (column), renderer,
133 "markup", BOOKMARKS_COLUMN_MARKUP,
136 renderer = gtk_cell_renderer_text_new ();
137 gtk_tree_view_column_pack_end (GTK_TREE_VIEW_COLUMN (column), renderer, FALSE);
138 gtk_tree_view_column_set_cell_data_func (GTK_TREE_VIEW_COLUMN (column), renderer,
139 (GtkTreeCellDataFunc) bookmarks_page_num_func,
145 ev_sidebar_bookmarks_init (EvSidebarBookmarks *ev_sidebar_bookmarks)
147 ev_sidebar_bookmarks->priv = EV_SIDEBAR_BOOKMARKS_GET_PRIVATE (ev_sidebar_bookmarks);
149 ev_sidebar_bookmarks_construct (ev_sidebar_bookmarks);
153 bookmarks_page_num_func (GtkTreeViewColumn *tree_column,
154 GtkCellRenderer *cell,
155 GtkTreeModel *tree_model,
162 gtk_tree_model_get (tree_model, iter,
163 BOOKMARKS_COLUMN_PAGE_NUM, &page_num,
164 BOOKMARKS_COLUMN_PAGE_VALID, &page_valid,
168 gchar *markup = g_strdup_printf ("<i>%d</i>", page_num);
181 /* Public Functions */
184 ev_sidebar_bookmarks_new (void)
186 GtkWidget *ev_sidebar_bookmarks;
188 ev_sidebar_bookmarks = g_object_new (EV_TYPE_SIDEBAR_BOOKMARKS, NULL);
190 return ev_sidebar_bookmarks;
194 stack_data_free (IdleStackData *stack_data,
195 EvDocumentBookmarks *document_bookmarks)
197 g_assert (stack_data);
199 if (stack_data->tree_iter)
200 gtk_tree_iter_free (stack_data->tree_iter);
201 if (stack_data->bookmarks_iter)
202 ev_document_bookmarks_free_iter (document_bookmarks, stack_data->bookmarks_iter);
207 do_one_iteration (EvSidebarBookmarks *ev_sidebar_bookmarks)
209 EvSidebarBookmarksPrivate *priv = ev_sidebar_bookmarks->priv;
210 IdleStackData *stack_data;
211 GtkTreeIter tree_iter;
213 EvDocumentBookmarksType type;
214 EvDocumentBookmarksIter *child_iter;
217 g_assert (priv->idle_stack);
219 stack_data = (IdleStackData *) priv->idle_stack->data;
221 if (! ev_document_bookmarks_get_values (EV_DOCUMENT_BOOKMARKS (priv->current_document),
222 stack_data->bookmarks_iter,
226 g_warning ("mismatch in model. No values available at current level.\n");
230 gtk_tree_store_append (GTK_TREE_STORE (priv->model), &tree_iter, stack_data->tree_iter);
231 gtk_tree_store_set (GTK_TREE_STORE (priv->model), &tree_iter,
232 BOOKMARKS_COLUMN_MARKUP, title,
233 BOOKMARKS_COLUMN_PAGE_NUM, page,
234 /* FIXME: Handle links for real. */
235 BOOKMARKS_COLUMN_PAGE_VALID, (page >= 0),
239 child_iter = ev_document_bookmarks_get_child (EV_DOCUMENT_BOOKMARKS (priv->current_document),
240 stack_data->bookmarks_iter);
242 IdleStackData *child_stack_data;
244 child_stack_data = g_new0 (IdleStackData, 1);
245 child_stack_data->tree_iter = gtk_tree_iter_copy (&tree_iter);
246 child_stack_data->bookmarks_iter = child_iter;
247 priv->idle_stack = g_list_prepend (priv->idle_stack, child_stack_data);
252 /* We don't have children, so we need to walk to the next node */
254 if (ev_document_bookmarks_next (EV_DOCUMENT_BOOKMARKS (priv->current_document),
255 stack_data->bookmarks_iter))
258 /* We're done with this level. Pop it off the idle stack and go
259 * to the next level */
260 stack_data_free (stack_data, EV_DOCUMENT_BOOKMARKS (priv->current_document));
261 priv->idle_stack = g_list_delete_link (priv->idle_stack, priv->idle_stack);
262 if (priv->idle_stack == NULL)
264 stack_data = priv->idle_stack->data;
269 populate_bookmarks_idle (gpointer data)
273 gulong microseconds = 0;
275 EvSidebarBookmarks *ev_sidebar_bookmarks = (EvSidebarBookmarks *)data;
276 EvSidebarBookmarksPrivate *priv = ev_sidebar_bookmarks->priv;
278 if (priv->idle_stack == NULL) {
283 /* The amount of time that reading the next bookmark takes is wildly
284 * inconsistent, so we constrain it to IDLE_WORK_LENGTH microseconds per
286 timer = g_timer_new ();
288 g_timer_start (timer);
289 while (do_one_iteration (ev_sidebar_bookmarks)) {
291 g_timer_elapsed (timer, µseconds);
292 if (microseconds > IDLE_WORK_LENGTH)
295 g_timer_destroy (timer);
297 g_print ("%d rows done this idle in %d\n", i, (int)microseconds);
303 ev_sidebar_bookmarks_clear_document (EvSidebarBookmarks *sidebar_bookmarks)
305 EvSidebarBookmarksPrivate *priv;
307 g_return_if_fail (EV_IS_SIDEBAR_BOOKMARKS (sidebar_bookmarks));
309 priv = sidebar_bookmarks->priv;
310 if (priv->current_document) {
311 g_object_unref (priv->current_document);
312 priv->current_document = NULL;
314 gtk_tree_store_clear (GTK_TREE_STORE (priv->model));
317 if (priv->idle_id != 0) {
318 g_source_remove (priv->idle_id);
321 g_list_foreach (priv->idle_stack, (GFunc) stack_data_free, priv->current_document);
322 g_list_free (priv->idle_stack);
323 priv->idle_stack = NULL;
328 ev_sidebar_bookmarks_set_document (EvSidebarBookmarks *sidebar_bookmarks,
329 EvDocument *document)
331 EvSidebarBookmarksPrivate *priv;
332 EvDocumentBookmarksIter *bookmarks_iter;
334 g_return_if_fail (EV_IS_SIDEBAR_BOOKMARKS (sidebar_bookmarks));
335 g_return_if_fail (EV_IS_DOCUMENT (document));
337 priv = sidebar_bookmarks->priv;
339 g_object_ref (document);
340 ev_sidebar_bookmarks_clear_document (sidebar_bookmarks);
342 priv->current_document = document;
343 bookmarks_iter = ev_document_bookmarks_begin_read (EV_DOCUMENT_BOOKMARKS (document));
344 if (bookmarks_iter) {
345 IdleStackData *stack_data;
347 stack_data = g_new0 (IdleStackData, 1);
348 stack_data->bookmarks_iter = bookmarks_iter;
349 stack_data->tree_iter = NULL;
351 priv->idle_stack = g_list_prepend (priv->idle_stack, stack_data);
352 priv->idle_id = g_idle_add (populate_bookmarks_idle, sidebar_bookmarks);