Initial revision

git-svn-id: svn://localhost/trunk/ardour2@4 d708f5d6-7413-0410-9779-e7cbd77b26cf

libs/glibmm2/glibmm/signalproxy_connectionnode.h

@@ -0,0 +1,70 @@
+// -*- c++ -*-
+#ifndef _GLIBMM_SIGNALPROXY_CONNECTIONNODE_H
+#define _GLIBMM_SIGNALPROXY_CONNECTIONNODE_H
+
+/* $Id$ */
+
+/* signalproxy_connectionnode.h
+ *
+ * Copyright (C) 2002 The gtkmm Development Team
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <sigc++/sigc++.h>
+#include <glibmm/wrap.h>
+
+typedef struct _GObject GObject;
+
+namespace Glib
+{
+
+/** SignalProxyConnectionNode is a connection node for use with SignalProxy.
+  * It lives between the layer of Gtk+ and libsigc++.
+  * It is very much an internal class.
+  */
+class SignalProxyConnectionNode
+{
+public:
+
+  /** @param slot The signal handler for the glib signal.
+   *  @param gobject The GObject that might emit this glib signal
+   */
+  SignalProxyConnectionNode(const sigc::slot_base& slot, GObject* gobject);
+
+  /** Callback that is executed when the slot becomes invalid.
+   * This callback is registered in the slot.
+   * @param data The SignalProxyConnectionNode object (@p this).
+   */
+  static void* notify(void* data);
+
+  /** Callback that is executed when the glib closure is destroyed.
+   * @param data The SignalProxyConnectionNode object (@p this).
+   * @param closure The glib closure object.
+   */
+  static void destroy_notify_handler(gpointer data, GClosure* closure);
+
+  gulong connection_id_;
+  sigc::slot_base slot_;
+
+protected:
+  GObject* object_;
+};
+
+} /* namespace Glib */
+
+
+#endif /* _GLIBMM_SIGNALPROXY_CONNECTIONNODE_H */
+