/* This file is part of the KDE libraries
Copyright (C) 1997 Richard Moore (moorer@cs.man.ac.uk)
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; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
// CDE style LED lamp widget for Qt
// Richard J. Moore 23.11.96
// Email: moorer@cs.man.ac.uk
#ifndef LED_LAMP_H
#define LED_LAMP_H
#include <qframe.h>
/**
* KLedLamp provides a CDE style LED lamp widget.
*
* @short A CDE-style LED lamp widget.
* @author Richard J. Moore (moorer@cs.man.ac.uk)
* @version $Id: kledlamp-h.html.in,v 1.1.1.1 2000/02/09 22:26:03 tasin Exp $
*/
class KLedLamp : public QFrame
{
Q_OBJECT
public:
/**
* Construct a KLedLamp widget
*/
KLedLamp(QWidget *parent=0);
/**
* Possible states of a KLedLamp
*/
enum State { On, Off };
/**
* Retrieve the state of the KLedLamp
*/
State state() const { return s; }
/**
* Set the state of the KLedLamp
*/
void setState(State state) { s= state; paintEvent(0); }
/**
* Toggle the state of the KLedLamp
*/
void toggleState() { if (s == On) s= Off; else if (s == Off) s= On; paintEvent(0); }
public slots:
void toggle() { toggleState(); };
void on() { setState(On); };
void off() { setState(Off); };
protected:
void drawContents(QPainter *);
private:
const int width;
const int height;
const int dx;
State s;
};
#endif
Documentation generated by tasin@cd1 on Die Nov 30 17:31:44 CET 1999