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120 lines
3.3 KiB
120 lines
3.3 KiB
/****************************************************************************
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**
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** Definition of QThumbWheel class
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**
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** Created : 010205
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**
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** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of the widgets module of the Qt GUI Toolkit.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free Qt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** This file may be used under the terms of the Q Public License as
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** defined by Trolltech ASA and appearing in the file LICENSE.QPL
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** included in the packaging of this file. Licensees holding valid Qt
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** Commercial licenses may use this file in accordance with the Qt
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** Commercial License Agreement provided with the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#ifndef QTHUMBWHEEL_H
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#define QTHUMBWHEEL_H
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#ifndef QT_H
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#include "qframe.h"
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#include "qrangecontrol.h"
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#endif // QT_H
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#ifndef QT_NO_THUMBWHEEL
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class QThumbWheel : public QFrame, public QRangeControl
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{
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Q_OBJECT
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public:
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QThumbWheel( QWidget *parent=0, const char *name=0 );
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~QThumbWheel();
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virtual void setOrientation( Orientation );
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Orientation orientation() const;
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virtual void setTracking( bool enable );
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bool tracking() const;
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virtual void setTransmissionRatio( double r );
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double transmissionRatio() const;
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public slots:
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virtual void setValue( int );
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signals:
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void valueChanged( int value );
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protected:
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void valueChange();
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void rangeChange();
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void stepChange();
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void keyPressEvent( QKeyEvent * );
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void mousePressEvent( QMouseEvent * );
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void mouseReleaseEvent( QMouseEvent * );
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void mouseMoveEvent( QMouseEvent * );
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void wheelEvent( QWheelEvent * );
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void focusInEvent( QFocusEvent *e );
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void focusOutEvent( QFocusEvent *e );
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void drawContents( QPainter * );
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private:
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void init();
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int valueFromPosition( const QPoint & );
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double rat;
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int pressedAt;
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Orientation orient;
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uint track : 1;
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uint mousePressed : 1;
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class QThumbWheelPrivate;
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QThumbWheelPrivate *d;
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};
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inline QThumbWheel::Orientation QThumbWheel::orientation() const
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{
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return orient;
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}
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inline bool QThumbWheel::tracking() const
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{
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return (bool)track;
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}
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inline double QThumbWheel::transmissionRatio() const
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{
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return rat;
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}
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#endif // QT_NO_WHEEL
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#endif // QWHEEL_H
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