You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
200 lines
5.8 KiB
200 lines
5.8 KiB
/****************************************************************************
|
|
**
|
|
** Definition of QSlider class
|
|
**
|
|
** Created : 961019
|
|
**
|
|
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
|
|
**
|
|
** This file is part of the widgets module of the Qt GUI Toolkit.
|
|
**
|
|
** This file may be used under the terms of the GNU General
|
|
** Public License versions 2.0 or 3.0 as published by the Free
|
|
** Software Foundation and appearing in the files LICENSE.GPL2
|
|
** and LICENSE.GPL3 included in the packaging of this file.
|
|
** Alternatively you may (at your option) use any later version
|
|
** of the GNU General Public License if such license has been
|
|
** publicly approved by Trolltech ASA (or its successors, if any)
|
|
** and the KDE Free Qt Foundation.
|
|
**
|
|
** Please review the following information to ensure GNU General
|
|
** Public Licensing requirements will be met:
|
|
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
|
|
** If you are unsure which license is appropriate for your use, please
|
|
** review the following information:
|
|
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
|
|
** or contact the sales department at sales@trolltech.com.
|
|
**
|
|
** This file may be used under the terms of the Q Public License as
|
|
** defined by Trolltech ASA and appearing in the file LICENSE.QPL
|
|
** included in the packaging of this file. Licensees holding valid Qt
|
|
** Commercial licenses may use this file in accordance with the Qt
|
|
** Commercial License Agreement provided with the Software.
|
|
**
|
|
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
|
|
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
|
|
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
|
|
** herein.
|
|
**
|
|
**********************************************************************/
|
|
|
|
#ifndef QSLIDER_H
|
|
#define QSLIDER_H
|
|
|
|
#ifndef QT_H
|
|
#include "qwidget.h"
|
|
#include "qrangecontrol.h"
|
|
#endif // QT_H
|
|
|
|
#ifndef QT_NO_SLIDER
|
|
|
|
struct QSliderPrivate;
|
|
|
|
class QTimer;
|
|
|
|
class Q_EXPORT QSlider : public QWidget, public QRangeControl
|
|
{
|
|
Q_OBJECT
|
|
Q_ENUMS( TickSetting )
|
|
Q_PROPERTY( int minValue READ minValue WRITE setMinValue )
|
|
Q_PROPERTY( int maxValue READ maxValue WRITE setMaxValue )
|
|
Q_PROPERTY( int lineStep READ lineStep WRITE setLineStep )
|
|
Q_PROPERTY( int pageStep READ pageStep WRITE setPageStep )
|
|
Q_PROPERTY( int value READ value WRITE setValue )
|
|
Q_PROPERTY( bool tracking READ tracking WRITE setTracking )
|
|
Q_PROPERTY( Orientation orientation READ orientation WRITE setOrientation )
|
|
Q_PROPERTY( TickSetting tickmarks READ tickmarks WRITE setTickmarks )
|
|
Q_PROPERTY( int tickInterval READ tickInterval WRITE setTickInterval )
|
|
|
|
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 );
|
|
~QSlider();
|
|
|
|
virtual void setOrientation( Orientation );
|
|
Orientation orientation() const;
|
|
virtual void setTracking( bool enable );
|
|
bool tracking() const;
|
|
virtual void setPalette( const QPalette & );
|
|
|
|
int sliderStart() const;
|
|
QRect sliderRect() const;
|
|
QSize sizeHint() const;
|
|
void setSizePolicy( QSizePolicy sp );
|
|
void setSizePolicy( QSizePolicy::SizeType hor, QSizePolicy::SizeType ver, bool hfw = FALSE );
|
|
|
|
QSizePolicy sizePolicy() const;
|
|
QSize minimumSizeHint() const;
|
|
|
|
virtual void setTickmarks( TickSetting );
|
|
TickSetting tickmarks() const { return ticks; }
|
|
|
|
virtual void setTickInterval( int );
|
|
int tickInterval() const { return tickInt; }
|
|
|
|
int minValue() const;
|
|
int maxValue() const;
|
|
void setMinValue( int );
|
|
void setMaxValue( int );
|
|
int lineStep() const;
|
|
int pageStep() const;
|
|
void setLineStep( int );
|
|
void setPageStep( int );
|
|
int value() const;
|
|
|
|
public slots:
|
|
virtual void setValue( int );
|
|
void addStep();
|
|
void subtractStep();
|
|
void addLine();
|
|
void subtractLine();
|
|
|
|
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 * );
|
|
#ifndef QT_NO_WHEELEVENT
|
|
void wheelEvent( QWheelEvent * );
|
|
#endif
|
|
void focusInEvent( QFocusEvent *e );
|
|
void focusOutEvent( QFocusEvent *e );
|
|
|
|
void styleChange( QStyle& );
|
|
|
|
void valueChange();
|
|
void rangeChange();
|
|
|
|
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 available() const;
|
|
int goodPart( const QPoint& ) const;
|
|
void initTicks();
|
|
|
|
QSliderPrivate *d;
|
|
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;
|
|
}
|
|
|
|
inline int QSlider::sliderStart() const
|
|
{
|
|
return sliderPos;
|
|
}
|
|
|
|
inline void QSlider::setSizePolicy( QSizePolicy::SizeType hor, QSizePolicy::SizeType ver, bool hfw )
|
|
{
|
|
QWidget::setSizePolicy( hor, ver, hfw );
|
|
}
|
|
|
|
#endif // QT_NO_SLIDER
|
|
|
|
#endif // QSLIDER_H
|