ntqslider.h Include File

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# ntqslider.h

This is the verbatim text of the ntqslider.h include file. It is provided only for illustration; the copyright remains with Trolltech.

    /****************************************************************************
    ** $Id: qt/ntqslider.h   3.3.8   edited Jan 11 14:38 $
    **
    ** Definition of TQSlider class
    **
    ** Created : 961019
    **
    ** Copyright (C) 1992-2007 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 file LICENSE.GPL 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 TQSLIDER_H
    #define TQSLIDER_H

    #ifndef QT_H
    #include "ntqwidget.h"
    #include "ntqrangecontrol.h"
    #endif // QT_H

    #ifndef TQT_NO_SLIDER

    struct TQSliderPrivate;

    class TQTimer;

    class TQ_EXPORT TQSlider : public TQWidget, public TQRangeControl
    {
        TQ_OBJECT
        TQ_ENUMS( TickSetting )
        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( Orientation orientation READ orientation WRITE setOrientation )
        TQ_PROPERTY( TickSetting tickmarks READ tickmarks WRITE setTickmarks )
        TQ_PROPERTY( int tickInterval READ tickInterval WRITE setTickInterval )

    public:
        enum TickSetting { NoMarks = 0, Above = 1, Left = Above,
    		       Below = 2, Right = Below, Both = 3 };

        TQSlider( TQWidget *parent, const char* name = 0 );
        TQSlider( Orientation, TQWidget *parent, const char* name = 0 );
        TQSlider( int minValue, int maxValue, int pageStep, int value, Orientation,
    	     TQWidget *parent, const char* name = 0 );
        ~TQSlider();

        virtual void	setOrientation( Orientation );
        Orientation orientation() const;
        virtual void	setTracking( bool enable );
        bool	tracking() const;
        virtual void 	setPalette( const TQPalette & );

        int sliderStart() const;
        TQRect sliderRect() const;
        TQSize sizeHint() const;
        void setSizePolicy( TQSizePolicy sp );
        void setSizePolicy( TQSizePolicy::SizeType hor, TQSizePolicy::SizeType ver, bool hfw = false );

        TQSizePolicy sizePolicy() const;
        TQSize 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( TQResizeEvent * );
        void	paintEvent( TQPaintEvent * );

        void	keyPressEvent( TQKeyEvent * );
        void	mousePressEvent( TQMouseEvent * );
        void	mouseReleaseEvent( TQMouseEvent * );
        void	mouseMoveEvent( TQMouseEvent * );
    #ifndef TQT_NO_WHEELEVENT
        void	wheelEvent( TQWheelEvent * );
    #endif
        void	focusInEvent( TQFocusEvent *e );
        void	focusOutEvent( TQFocusEvent *e );

        void	styleChange( TQStyle& );

        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 TQPoint& ) const;
        void	initTicks();

        TQSliderPrivate *d;
        TQTimer	*timer;
        TQCOORD	sliderPos;
        int		sliderVal;
        TQCOORD	clickOffset;
        State	state;
        bool	track;
        TQCOORD	tickOffset;
        TickSetting	ticks;
        int		tickInt;
        Orientation orient;

    private:	// Disabled copy constructor and operator=
    #if defined(TQ_DISABLE_COPY)
        TQSlider( const TQSlider & );
        TQSlider &operator=( const TQSlider & );
    #endif
    };

    inline bool TQSlider::tracking() const
    {
        return track;
    }

    inline TQSlider::Orientation TQSlider::orientation() const
    {
        return orient;
    }

    inline int TQSlider::sliderStart() const
    {
        return sliderPos;
    }

    inline void TQSlider::setSizePolicy( TQSizePolicy::SizeType hor, TQSizePolicy::SizeType ver, bool hfw )
    {
        TQWidget::setSizePolicy( hor, ver, hfw );
    }

    #endif // TQT_NO_SLIDER

    #endif // TQSLIDER_H