static gboolean
gconf_settings_backend_write_tree (GSettingsBackend *backend,
GTree *tree,
gpointer origin_tag)
{
GConfSettingsBackend *gconf = GCONF_SETTINGS_BACKEND (backend);
GConfChangeSet *changeset;
GConfChangeSet *reversed;
gboolean success;
changeset = gconf_change_set_new ();
g_tree_foreach (tree, (GTraverseFunc) gconf_settings_backend_write_one_to_changeset, changeset);
if (gconf_change_set_size (changeset) != g_tree_nnodes (tree))
{
gconf_change_set_unref (changeset);
return FALSE;
}
reversed = gconf_client_reverse_change_set (gconf->priv->client, changeset, NULL);
success = gconf_client_commit_change_set (gconf->priv->client, changeset, TRUE, NULL);
g_tree_foreach (tree, (GTraverseFunc) gconf_settings_backend_add_ignore_notifications, gconf);
if (!success)
{
/* This is a tricky situation: when committing, some keys will have been
* changed, so there will be notifications that we'll want to ignore. But
* we can't ignore notifications for what was not committed. Note that
* when we'll commit the reversed changeset, it should fail for the same
* key, so there'll be no other notifications created. And in the worst
* case, it's no big deal... */
gconf_change_set_foreach (changeset,
(GConfChangeSetForeachFunc) gconf_settings_backend_remove_ignore_notifications,
gconf);
gconf_client_commit_change_set (gconf->priv->client, reversed, FALSE, NULL);
}
else
g_settings_backend_changed_tree (backend, tree, origin_tag);
gconf_change_set_unref (changeset);
gconf_change_set_unref (reversed);
return success;
}
static void
prefs_dialog_update_sensitivity(GtkWidget* dialog)
{
GtkWidget* apply;
GtkWidget* revert;
GtkWidget* ok;
GtkWidget* cancel;
GConfChangeSet* cs;
GConfChangeSet* revert_cs;
apply = g_object_get_data(dialog, "apply");
revert = g_object_get_data(dialog, "revert");
ok = g_object_get_data(dialog, "ok");
cancel = g_object_get_data(dialog, "cancel");
g_assert(apply != NULL);
g_assert(revert != NULL);
cs = prefs_dialog_get_change_set(dialog);
revert_cs = g_object_get_data(dialog, "revert_changeset");
if (gconf_change_set_size(cs) > 0)
{
gtk_widget_set_sensitive(apply, TRUE);
}
else
{
gtk_widget_set_sensitive(apply, FALSE);
}
if (revert_cs != NULL)
gtk_widget_set_sensitive(revert, TRUE);
else
gtk_widget_set_sensitive(revert, FALSE);
}
