/****************************************************************************
** $Id: qslider.h,v 2.39 1999/06/22 13:59:07 paul Exp $
**
** Definition of QSlider class
**
** Created : 961019
**
** Copyright (C) 1992-1999 Troll Tech AS. All rights reserved.
**
** This file is part of the Qt GUI Toolkit.
**
** This file may be distributed under the terms of the Q Public License
** as defined by Troll Tech AS of Norway and appearing in the file
** LICENSE.QPL included in the packaging of this file.
**
** Licensees holding valid Qt Professional Edition licenses may use this
** file in accordance with the Qt Professional Edition License Agreement
** provided with the Qt Professional Edition.
**
** See http://www.troll.no/pricing.html or email sales@troll.no for
** information about the Professional Edition licensing, or see
** http://www.troll.no/qpl/ for QPL licensing information.
**
*****************************************************************************/
#ifndef QSLIDER_H
#define QSLIDER_H
#ifndef QT_H
#include "qwidget.h"
#include "qrangecontrol.h"
#endif // QT_H
class QTimer;
struct QSliderData;
class Q_EXPORT QSlider : public QWidget, public QRangeControl
{
Q_OBJECT
public:
enum TickSetting { NoMarks = 0, Above = 1, Left = Above,
Below = 2, Right = Below, Both = 3 };
QSlider( QWidget *parent, const char *name=0 );
QSlider( Orientation, QWidget *parent, const char *name=0 );
QSlider( int minValue, int maxValue, int pageStep, int value, Orientation,
QWidget *parent, const char *name=0 );
virtual void setOrientation( Orientation );
Orientation orientation() const;
virtual void setTracking( bool enable );
bool tracking() const;
virtual void setPalette( const QPalette & );
QRect sliderRect() const;
QSize sizeHint() const;
QSizePolicy sizePolicy() const;
QSize minimumSizeHint() const;
virtual void setTickmarks( TickSetting );
TickSetting tickmarks() const { return ticks; }
virtual void setTickInterval( int );
int tickInterval() const { return tickInt; }
public slots:
virtual 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 wheelEvent( QWheelEvent * );
void focusInEvent( QFocusEvent *e );
void focusOutEvent( QFocusEvent *e );
void updateMask();
void styleChange( QStyle& );
void valueChange();
void rangeChange();
virtual void paintSlider( QPainter *, const QColorGroup&, const QRect & );
void drawTicks( QPainter *, const QColorGroup&, int, int, int=1 ) const;
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=
#if defined(Q_DISABLE_COPY)
QSlider( const QSlider & );
QSlider &operator=( const QSlider & );
#endif
};
inline bool QSlider::tracking() const
{
return track;
}
inline QSlider::Orientation QSlider::orientation() const
{
return orient;
}
#endif // QSLIDER_H
| Copyright © 1999 Troll Tech | Trademarks | Qt version 2.0.2
|