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kmix'QceStateLED (./kdemultimedia/kmix/QceStateLED.h:36)

class QceStateLED : public QFrame
{
  Q_OBJECT
public:
/** 
* Construct a QceStateLED widget 
*/
  QceStateLED(QWidget *parent=0);

/** 
* Possible states of a QceStateLED 
*/
  enum State { On, Off };

/** 
* Retrieve the state of the QceStateLED 
*/
  State state() const { return s; }
  
/** 
* Set the state of the QceStateLED 
*/
  void setState(State state) { s= state; repaint(FALSE); }

  void setColor(QColor);
/** 
* Toggle the state of the QceStateLED 
*/
  void toggleState() { if (s == On) s= Off; else if (s == Off) s= On; repaint(FALSE); }

public slots:
  void toggle() { toggleState(); };
  void on() { setState(On); };
  void off() { setState(Off); };
protected:
  void drawContents(QPainter *);
private:
  const int dx;
  State s;

  QColor	i_QColor_base;
};

kmix'QceStateLED::QceStateLED() (./kdemultimedia/kmix/QceStateLED.cpp:30)

QceStateLED::QceStateLED(QWidget *parent) : QFrame(parent), dx( 4 )
{
  // Make sure we're in a sane state
  s= Off;

  // Set the frame style
  setFrameStyle(Sunken | Box);
  setGeometry(0,0,28,7);
}

kmix'QceStateLED::setColor() (./kdemultimedia/kmix/QceStateLED.cpp:40)

void QceStateLED::setColor(QColor val_QColor_state)
{
  // Set new color internally and post a redraw request
  i_QColor_base = val_QColor_state;
  update();
}

kmix'QceStateLED::drawContents() (./kdemultimedia/kmix/QceStateLED.cpp:47)

void QceStateLED::drawContents(QPainter *painter)
{
  QBrush lightBrush(i_QColor_base);
  QBrush darkBrush(QColor(60,60,0));
  QPen pen(QColor(40,40,0));
  switch(s) {
  case On:
    painter->setBrush(i_QColor_base);
    painter->drawRect(1,1,QFrame::width()-2, QFrame::height()-2);
    break;
  case Off:
    painter->setBrush(i_QColor_base.dark(300));
    painter->drawRect(1,1,QFrame::width()-2, QFrame::height()-2);
    painter->setPen(i_QColor_base.dark(400));
    painter->drawLine(2,2,QFrame::width()-2, 2);
    painter->drawLine(2,QFrame::height()-2,QFrame::width()-2,QFrame::height()-2);
    // Draw verticals
    int i;
    for (i= 2; i < QFrame::width()-1; i+= dx)
      painter->drawLine(i,2,i,QFrame::height()-2);
    break;
  }
}