Implement preferences dialog.

src/preferences-dialog.h

@@ -0,0 +1,29 @@
+/* 
+ * Copyright (C) 2011 Daiki Ueno <ueno@unixuser.org>
+ * Copyright (C) 2011 Red Hat, Inc.
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef PREFERENCES_DIALOG_H
+#define PREFERENCES_DIALOG_H 1
+
+G_BEGIN_DECLS
+
+typedef struct _PreferencesDialog PreferencesDialog;
+
+PreferencesDialog *preferences_dialog_new  (void);
+void               preferences_dialog_run  (PreferencesDialog *dialog);
+
+G_END_DECLS
+#endif  /* PREFERENCES_DIALOG_H */