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/****************************************************************************
**
** Definition of TQScrollBar class
**
** Created : 940427
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of the widgets module of the TQt 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 TQt 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.TQPL
** included in the packaging of this file. Licensees holding valid TQt
** Commercial licenses may use this file in accordance with the TQt
** 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 TQSCROLLBAR_H
#define TQSCROLLBAR_H
class TQTimer;
#ifndef QT_H
#include "ntqwidget.h"
#include "ntqrangecontrol.h"
#endif // QT_H
#ifndef TQT_NO_SCROLLBAR
class Q_EXPORT TQScrollBar : public TQWidget, public TQRangeControl
{
TQ_OBJECT
TQ_PROPERTY( int minValue READ minValue WRITE setMinValue )
TQ_PROPERTY( int maxValue READ maxValue WRITE setMaxValue )
TQ_PROPERTY( int lineStep READ lineStep WRITE setLineStep )
TQ_PROPERTY( int pageStep READ pageStep WRITE setPageStep )
TQ_PROPERTY( int value READ value WRITE setValue )
TQ_PROPERTY( bool tracking READ tracking WRITE setTracking )
TQ_PROPERTY( bool draggingSlider READ draggingSlider )
TQ_PROPERTY( Orientation orientation READ orientation WRITE setOrientation )
public:
TQScrollBar( TQWidget *parent, const char* name = 0 );
TQScrollBar( Orientation, TQWidget *parent, const char* name = 0 );
TQScrollBar( int minValue, int maxValue, int lineStep, int pageStep,
int value, Orientation, TQWidget *parent, const char* name = 0 );
~TQScrollBar();
virtual void setOrientation( Orientation );
Orientation orientation() const;
virtual void setTracking( bool enable );
bool tracking() const;
bool draggingSlider() const;
virtual void setPalette( const TQPalette & );
virtual TQSize sizeHint() const;
virtual void setSizePolicy( TQSizePolicy sp );
void setSizePolicy( TQSizePolicy::SizeType hor, TQSizePolicy::SizeType ver, bool hfw = FALSE );
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;
int sliderStart() const;
TQRect sliderRect() const;
public slots:
void setValue( int );
signals:
void valueChanged( int value );
void sliderPressed();
void sliderMoved( int value );
void sliderReleased();
void nextLine();
void prevLine();
void nextPage();
void prevPage();
protected:
#ifndef TQT_NO_WHEELEVENT
void wheelEvent( TQWheelEvent * );
#endif
void keyPressEvent( TQKeyEvent * );
void resizeEvent( TQResizeEvent * );
void paintEvent( TQPaintEvent * );
void mousePressEvent( TQMouseEvent * );
void mouseReleaseEvent( TQMouseEvent * );
void mouseMoveEvent( TQMouseEvent * );
void contextMenuEvent( TQContextMenuEvent * );
void hideEvent( TQHideEvent* );
void valueChange();
void stepChange();
void rangeChange();
void styleChange( TQStyle& );
private slots:
void doAutoRepeat();
private:
void init();
void positionSliderFromValue();
int calculateValueFromSlider() const;
void startAutoRepeat();
void stopAutoRepeat();
int rangeValueToSliderPos( int val ) const;
int sliderPosToRangeValue( int val ) const;
void action( int control );
void drawControls( uint controls, uint activeControl ) const;
void drawControls( uint controls, uint activeControl,
TQPainter *p ) const;
uint pressedControl;
bool track;
bool clickedAt;
Orientation orient;
int slidePrevVal;
TQCOORD sliderPos;
TQCOORD clickOffset;
TQTimer * repeater;
void * d;
private: // Disabled copy constructor and operator=
#if defined(TQ_DISABLE_COPY)
TQScrollBar( const TQScrollBar & );
TQScrollBar &operator=( const TQScrollBar & );
#endif
};
inline void TQScrollBar::setTracking( bool t )
{
track = t;
}
inline bool TQScrollBar::tracking() const
{
return track;
}
inline TQScrollBar::Orientation TQScrollBar::orientation() const
{
return orient;
}
inline int TQScrollBar::sliderStart() const
{
return sliderPos;
}
inline void TQScrollBar::setSizePolicy( TQSizePolicy::SizeType hor, TQSizePolicy::SizeType ver, bool hfw )
{
TQWidget::setSizePolicy( hor, ver, hfw );
}
#endif // TQT_NO_SCROLLBAR
#endif // TQSCROLLBAR_H
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