This is the verbatim text of the qslider.h include file. It is is provided only for illustration; the copyright remains with Troll Tech
/****************************************************************************
** $Id: qslider.h,v 2.20 1997/09/26 10:57:41 eiriken Exp $
**
** Definition of QSlider class
**
** Created : 961019
**
** Copyright (C) 1994-1997 by Troll Tech AS. All rights reserved.
**
*****************************************************************************/
#ifndef QSLIDER_H
#define QSLIDER_H
#include "qwidget.h"
#include "qrangect.h"
class QTimer;
struct QSliderData;
class QSlider : public QWidget, public QRangeControl
{
Q_OBJECT
public:
enum Orientation { Horizontal, Vertical };
enum TickSetting { NoMarks = 0, Above = 1, Left = Above,
Below = 2, Right = Below, Both = 3 };
QSlider( QWidget *parent=0, const char *name=0 );
QSlider( Orientation, QWidget *parent=0, const char *name=0 );
QSlider( int minValue, int maxValue, int step, int value, Orientation,
QWidget *parent=0, const char *name=0 );
void setOrientation( Orientation );
Orientation orientation() const;
void setTracking( bool enable );
bool tracking() const;
void setPalette( const QPalette & );
QRect sliderRect() const;
QSize sizeHint() const;
virtual void setTickmarks( TickSetting );
TickSetting tickmarks() const { return ticks; }
virtual void setTickInterval( int );
int tickInterval() const { return tickInt; }
public slots:
void setValue( int );
void addStep();
void subtractStep();
signals:
void valueChanged( int value );
void sliderPressed();
void sliderMoved( int value );
void sliderReleased();
protected:
void resizeEvent( QResizeEvent * );
void paintEvent( QPaintEvent * );
void keyPressEvent( QKeyEvent * );
void mousePressEvent( QMouseEvent * );
void mouseReleaseEvent( QMouseEvent * );
void mouseMoveEvent( QMouseEvent * );
void focusInEvent( QFocusEvent *e );
void valueChange();
void rangeChange();
virtual void paintSlider( QPainter *, const QRect & );
void drawWinGroove( QPainter *, QCOORD );
void drawTicks( QPainter *, int, int, int=1 ) const;
virtual int thickness() const;
private slots:
void repeatTimeout();
private:
enum State { Idle, Dragging, TimingUp, TimingDown };
void init();
int positionFromValue( int ) const;
int valueFromPosition( int ) const;
void moveSlider( int );
void reallyMoveSlider( int );
void resetState();
int slideLength() const;
int available() const;
int goodPart( const QPoint& ) const;
void initTicks();
QSliderData *extra;
QTimer *timer;
QCOORD sliderPos;
int sliderVal;
QCOORD clickOffset;
State state;
bool track;
QCOORD tickOffset;
TickSetting ticks;
int tickInt;
Orientation orient;
private: // Disabled copy constructor and operator=
QSlider( const QSlider & ) {}
QSlider &operator=( const QSlider & ) { return *this; }
};
inline bool QSlider::tracking() const
{
return track;
}
inline QSlider::Orientation QSlider::orientation() const
{
return orient;
}
#endif // QSLIDER_H