rollback to 3428, before the mysterious removal of libs/* at 3431/3432

git-svn-id: svn://localhost/ardour2/branches/3.0@3435 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 88 insertions, 0 deletions

diff --git a/libs/pbd/pbd/touchable.h b/libs/pbd/pbd/touchable.h
new file mode 100644
index 0000000000..12f1c443fd
--- /dev/null
+++ b/libs/pbd/pbd/touchable.h
@@ -0,0 +1,88 @@
+/*
+    Copyright (C) 1999 Paul Barton-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 __pbd_touchable_h__
+#define __pbd_touchable_h__
+
+class Touchable
+{
+  public:
+	Touchable() : _delete_after_touch (false) {}
+	virtual ~Touchable() {}
+
+	void set_delete_after_touch (bool yn) { _delete_after_touch = yn; }
+	bool delete_after_touch() const { return _delete_after_touch; }
+
+	virtual void touch () = 0;
+
+  protected:
+	bool _delete_after_touch;
+};
+
+template<class T>
+class DynamicTouchable : public Touchable
+{
+  public:
+	DynamicTouchable (T& t, void (T::*m)(void)) 
+		: object (t), method (m) { set_delete_after_touch (true); }
+
+	void touch () {
+		(object.*method)();
+	}
+	
+  protected:
+	T& object;
+	void (T::*method)(void);
+};
+
+template<class T1, class T2>
+class DynamicTouchable1 : public Touchable
+{
+  public:
+	DynamicTouchable1 (T1& t, void (T1::*m)(T2), T2 a) 
+		: object (t), method (m), arg (a) { set_delete_after_touch (true); }
+
+	void touch () {
+		(object.*method)(arg);
+	}
+	
+  protected:
+	T1& object;
+	void (T1::*method)(T2);
+	T2 arg;
+};
+
+template<class T1, class T2, class T3>
+class DynamicTouchable2 : public Touchable
+{
+  public:
+	DynamicTouchable2 (T1& t, void (T1::*m)(T2, T3), T2 a1, T3 a2) 
+		: object (t), method (m), arg1 (a1), arg2 (a2) { set_delete_after_touch (true); }
+
+	void touch () {
+		(object.*method)(arg1, arg2);
+	}
+	
+  protected:
+	T1& object;
+	void (T1::*method)(T2,T3);
+	T2 arg1;
+	T3 arg2;
+};
+	
+#endif // __pbd_touchable_h__