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// statusaction.h
/******************************************************************************
*
* MiXViews - an X window system based sound & data editor/processor
*
* Copyright (c) 1993, 1994 Regents of the University of California
*
* Author: Douglas Scott
* Date: December 13, 1994
*
* Permission to use, copy and modify this software and its documentation
* for research and/or educational purposes and without fee is hereby granted,
* provided that the above copyright notice appear in all copies and that
* both that copyright notice and this permission notice appear in
* supporting documentation. The author reserves the right to distribute this
* software and its documentation. The University of California and the author
* make no representations about the suitability of this software for any
* purpose, and in no event shall University of California be liable for any
* damage, loss of data, or profits resulting from its use.
* It is provided "as is" without express or implied warranty.
*
******************************************************************************/
// StatusAction is the base class for a heirarchy of classes which contain a
// pointer to an object and a method pointer for that object, and which return
// an integer value when the StatusAction is invoked. See InterViews/action.h
// for the model on which this was based.
#ifndef STATUSACTION_H
#define STATUSACTION_H
#include <InterViews/resource.h>
class StatusAction : virtual public Resource {
public:
StatusAction() {}
virtual ~StatusAction() {}
virtual int operator () (void) = 0;
};
#ifdef NO_TEMPLATES
#include "sgi-statusaction.h" /* it is an ugly hack! */
#else
template <class T>
class StatusCallback : public StatusAction {
public:
StatusCallback(T* t, int (T::*fun)()) : myObject(t), myFunction(fun) {}
virtual int operator () (void) { return (myObject->*myFunction)(); }
private:
T* myObject;
int (T::*myFunction)();
};
#endif /* sgi */
#endif
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