MIDI/Controllables for monitor section, and related fixes

git-svn-id: svn://localhost/ardour2/branches/3.0@6863 d708f5d6-7413-0410-9779-e7cbd77b26cf

libs/gtkmm2ext/gtkmm2ext/gui_thread.h

@@ -0,0 +1,40 @@
+/*
+    Copyright (C) 2000-2007 Paul Davis
+
+    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 2 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, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#ifndef __ardour_gtk_gui_thread_h__
+#define __ardour_gtk_gui_thread_h__
+
+#include <cstdlib>
+#include <gtkmm2ext/gtk_ui.h>
+#include <boost/bind.hpp>
+#include <boost/bind/protect.hpp>
+
+namespace sigc {
+        class trackable;
+}
+
+#define ENSURE_GUI_THREAD(obj,method, ...) if (!Gtkmm2ext::UI::instance()->caller_is_self()) { abort (); } 
+
+#define gui_context() Gtkmm2ext::UI::instance() /* a UICallback-derived object that specifies the event loop for GUI signal handling */
+#define ui_bind(f, ...) boost::protect (boost::bind (f, __VA_ARGS__))
+
+extern PBD::EventLoop::InvalidationRecord* __invalidator (sigc::trackable& trackable, const char*, int);
+#define invalidator(x) __invalidator ((x), __FILE__, __LINE__)
+
+#endif /* __ardour_gtk_gui_thread_h__ */