kled.h

/* This file is part of the KDE libraries
    Copyright (C) 1998 J�rg Habenicht (j.habenicht@europemail.com)
 
    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., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
*/
/*************************************************************************
 * $Id$
 *************************************************************************/
 
#ifndef _KLED_H_
#define _KLED_H_
 
#include <tqwidget.h>
#include <tdelibs_export.h>
 
class TQColor;
class TDEUI_EXPORT KLed : public TQWidget
{
    TQ_OBJECT
    TQ_ENUMS( State Shape Look )
    TQ_PROPERTY( State state READ state WRITE setState )
    TQ_PROPERTY( Shape shape READ shape WRITE setShape )
    TQ_PROPERTY( Look look READ look WRITE setLook )
    TQ_PROPERTY( TQColor color READ color WRITE setColor )
    TQ_PROPERTY( TQColor offColor READ color WRITE setOffColor )
    TQ_PROPERTY( int darkFactor READ darkFactor WRITE setDarkFactor )
 
public:

  enum State { Off, On };

  enum Shape { Rectangular, Circular };

  enum Look  { Flat, Raised, Sunken };

  KLed(TQWidget *parent=0, const char *name=0);
  KLed(const TQColor &col, TQWidget *parent=0, const char *name=0);

  KLed(const TQColor& col, KLed::State state, KLed::Look look, KLed::Shape shape,
       TQWidget *parent=0, const char *name=0);
 

  ~KLed();

  State state() const;
 
  Shape shape() const;

  TQColor color() const;

  TQColor offColor() const;

  Look look() const;

  int darkFactor() const;

  void setState( State state );

  void setShape(Shape s);
  void toggleState() TDE_DEPRECATED;

  void setColor(const TQColor& color);

  void setOffColor(const TQColor& color);

  void setDarkFactor(int darkfactor);


  void setLook( Look look );
 
  virtual TQSize sizeHint() const;
  virtual TQSize minimumSizeHint() const;
 
public slots:

  void toggle();

  void on();

  void off();
 
protected:
  virtual void paintFlat();
  virtual void paintRound();
  virtual void paintSunken();
  virtual void paintRect();
  virtual void paintRectFrame(bool raised);
 
  void paintEvent( TQPaintEvent * );

  int ensureRoundLed();

  bool paintCachedPixmap();
 
private:
  State led_state;
  TQColor led_color;
  TQColor led_off_color;
  Look  led_look;
  Shape led_shape;
 
protected:
  virtual void virtual_hook( int id, void* data );
private:
  class KLedPrivate;
  KLedPrivate *d;
};
 
#endif