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Diffstat (limited to 'examples/demo/qthumbwheel.h')
| -rw-r--r-- | examples/demo/qthumbwheel.h | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/examples/demo/qthumbwheel.h b/examples/demo/qthumbwheel.h new file mode 100644 index 0000000..6945e78 --- /dev/null +++ b/examples/demo/qthumbwheel.h @@ -0,0 +1,119 @@ +/**************************************************************************** +** +** Definition of QThumbWheel class +** +** Created : 010205 +** +** 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 [email protected]. +** +** 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 QTHUMBWHEEL_H +#define QTHUMBWHEEL_H + +#ifndef QT_H +#include "qframe.h" +#include "qrangecontrol.h" +#endif // QT_H + +#ifndef QT_NO_THUMBWHEEL + +class QThumbWheel : public QFrame, public QRangeControl +{ + Q_OBJECT + +public: + QThumbWheel( QWidget *parent=0, const char *name=0 ); + ~QThumbWheel(); + + virtual void setOrientation( Orientation ); + Orientation orientation() const; + virtual void setTracking( bool enable ); + bool tracking() const; + virtual void setTransmissionRatio( double r ); + double transmissionRatio() const; + +public slots: + virtual void setValue( int ); + +signals: + void valueChanged( int value ); + +protected: + void valueChange(); + void rangeChange(); + void stepChange(); + + void keyPressEvent( QKeyEvent * ); + void mousePressEvent( QMouseEvent * ); + void mouseReleaseEvent( QMouseEvent * ); + void mouseMoveEvent( QMouseEvent * ); + void wheelEvent( QWheelEvent * ); + void focusInEvent( QFocusEvent *e ); + void focusOutEvent( QFocusEvent *e ); + + void drawContents( QPainter * ); + +private: + void init(); + int valueFromPosition( const QPoint & ); + + + double rat; + int pressedAt; + Orientation orient; + uint track : 1; + uint mousePressed : 1; + + class QThumbWheelPrivate; + QThumbWheelPrivate *d; +}; + +inline QThumbWheel::Orientation QThumbWheel::orientation() const +{ + return orient; +} + +inline bool QThumbWheel::tracking() const +{ + return (bool)track; +} + +inline double QThumbWheel::transmissionRatio() const +{ + return rat; +} + +#endif // QT_NO_WHEEL + +#endif // QWHEEL_H |