jpushbutton.hpp

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/*
 * Copyright (C) 2004-2005 Savoir-Faire Linux inc.
 * Author: Jerome Oufella ([e-mail])
 *
 * Portions (c) Jean-Philippe Barrette-LaPierre
 *                ([e-mail])
 * Portions (c) Valentin Heinitz
 *
 * This 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,
 * or (at your option) any later version.
 *
 * This 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 dpkg; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifndef __J_PUSH_BUTTON_H__
#define __J_PUSH_BUTTON_H__

#include <qlabel.h>
#include <qpixmap.h>
#include <qimage.h>

/**
 * This class Emulate a PushButton but takes two
 * images to display its state.
 */
class JPushButton : public QLabel 
{
  Q_OBJECT
    
public:
  JPushButton(const QString &released, 
	      const QString &pressed,
	      QWidget *parent);
  ~JPushButton();

  bool isPressed()
  {return mIsPressed;}

  static QPixmap transparize(const QString &image);
  
public slots:  
  /**
   * This function will switch the button
   */
  virtual void press();
  virtual void release();

  virtual void setToggle(bool toggled);

 private slots:
  virtual void pressImage();
  virtual void releaseImage();

protected:
  QPixmap mImages[2];
  bool mIsPressed;
  
protected:
  void mousePressEvent(QMouseEvent *);
  void mouseReleaseEvent(QMouseEvent *);
  void mouseMoveEvent(QMouseEvent *);

signals:
  void clicked(bool);
  void clicked();

private:
  bool mIsToggling;
};

#endif	// defined(__J_PUSH_BUTTON_H__)