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# ntqrangecontrol.h

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

    /****************************************************************************
    ** $Id: qt/ntqrangecontrol.h   3.3.8   edited Jan 11 14:38 $
    **
    ** Definition of TQRangeControl class
    **
    ** Created : 940427
    **
    ** 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 TQRANGECONTROL_H
    #define TQRANGECONTROL_H

    #ifndef QT_H
    #include "ntqglobal.h"
    #include "ntqframe.h"
    #endif // QT_H

    #ifndef QT_NO_RANGECONTROL

    class TQRangeControlPrivate;

    class Q_EXPORT TQRangeControl
    {
    public:
        TQRangeControl();
        TQRangeControl( int minValue, int maxValue,
    		   int lineStep, int pageStep, int value );
        virtual ~TQRangeControl();
        int		value()		const;
        void	setValue( int );
        void	addPage();
        void	subtractPage();
        void	addLine();
        void	subtractLine();

        int		minValue()	const;
        int		maxValue()	const;
        void	setRange( int minValue, int maxValue );
        void	setMinValue( int minVal );
        void	setMaxValue( int minVal );

        int		lineStep()	const;
        int		pageStep()	const;
        void	setSteps( int line, int page );

        int		bound( int ) const;

    protected:
        int		positionFromValue( int val, int space ) const;
        int		valueFromPosition( int pos, int space ) const;
        void	directSetValue( int val );
        int		prevValue()	const;

        virtual void valueChange();
        virtual void rangeChange();
        virtual void stepChange();

    private:
        int		minVal, maxVal;
        int		line, page;
        int		val, prevVal;

        TQRangeControlPrivate * d;

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

    inline int TQRangeControl::value() const
    { return val; }

    inline int TQRangeControl::prevValue() const
    { return prevVal; }

    inline int TQRangeControl::minValue() const
    { return minVal; }

    inline int TQRangeControl::maxValue() const
    { return maxVal; }

    inline int TQRangeControl::lineStep() const
    { return line; }

    inline int TQRangeControl::pageStep() const
    { return page; }

    #endif // QT_NO_RANGECONTROL

    #ifndef QT_NO_SPINWIDGET

    class TQSpinWidgetPrivate;
    class Q_EXPORT TQSpinWidget : public TQWidget
    {
        TQ_OBJECT
    public:
        TQSpinWidget( TQWidget* parent=0, const char* name=0 );
        ~TQSpinWidget();

        void 	setEditWidget( TQWidget * widget );
        TQWidget * 	editWidget();

        TQRect upRect() const;
        TQRect downRect() const;

        void setUpEnabled( bool on );
        void setDownEnabled( bool on );

        bool isUpEnabled() const;
        bool isDownEnabled() const;

        enum ButtonSymbols { UpDownArrows, PlusMinus };
        virtual void	setButtonSymbols( ButtonSymbols bs );
        ButtonSymbols	buttonSymbols() const;

        void arrange();

    signals:
        void stepUpPressed();
        void stepDownPressed();

    public slots:
        void stepUp();
        void stepDown();

    protected:
        void mousePressEvent( TQMouseEvent *e );
        void resizeEvent( TQResizeEvent* ev );
        void mouseReleaseEvent( TQMouseEvent *e );
        void mouseMoveEvent( TQMouseEvent *e );
    #ifndef QT_NO_WHEELEVENT
        void wheelEvent( TQWheelEvent * );
    #endif
        void styleChange( TQStyle& );
        void paintEvent( TQPaintEvent * );
        void enableChanged( bool old );
        void windowActivationChange( bool );

    private slots:
        void timerDone();
        void timerDoneEx();

    private:
        TQSpinWidgetPrivate * d;

        void updateDisplay();

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

    #endif // QT_NO_SPINWIDGET

    #endif // TQRANGECONTROL_H