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authorTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-07-10 15:24:15 -0500
committerTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-07-10 15:24:15 -0500
commitbd0f3345a938b35ce6a12f6150373b0955b8dd12 (patch)
tree7a520322212d48ebcb9fbe1087e7fca28b76185c /examples/demo/qthumbwheel.h
downloadqt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.tar.gz
qt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.zip
Add Qt3 development HEAD version
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+/****************************************************************************
+**
+** 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 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.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