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154 lines
4.6 KiB
154 lines
4.6 KiB
/****************************************************************************
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**
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** Definition of the dial widget
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**
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** Created : 990104
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**
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** Copyright (C) 1999-2008 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 QDIAL_H
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#define QDIAL_H
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#ifndef QT_H
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#include "qwidget.h"
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#include "qrangecontrol.h"
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#endif // QT_H
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#ifndef QT_NO_DIAL
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class QDialPrivate;
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class Q_EXPORT QDial: public QWidget, public QRangeControl
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{
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Q_OBJECT
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Q_PROPERTY( bool tracking READ tracking WRITE setTracking )
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Q_PROPERTY( bool wrapping READ wrapping WRITE setWrapping )
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Q_PROPERTY( int notchSize READ notchSize )
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Q_PROPERTY( double notchTarget READ notchTarget WRITE setNotchTarget )
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Q_PROPERTY( bool notchesVisible READ notchesVisible WRITE setNotchesVisible )
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Q_PROPERTY( int minValue READ minValue WRITE setMinValue )
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Q_PROPERTY( int maxValue READ maxValue WRITE setMaxValue )
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Q_PROPERTY( int lineStep READ lineStep WRITE setLineStep )
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Q_PROPERTY( int pageStep READ pageStep WRITE setPageStep )
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Q_PROPERTY( int value READ value WRITE setValue )
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public:
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QDial( QWidget* parent=0, const char* name=0, WFlags f = 0 );
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QDial( int minValue, int maxValue, int pageStep, int value,
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QWidget* parent=0, const char* name=0 );
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~QDial();
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bool tracking() const;
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bool wrapping() const;
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int notchSize() const;
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virtual void setNotchTarget( double );
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double notchTarget() const;
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bool notchesVisible() const;
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QSize sizeHint() const;
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QSize minimumSizeHint() const;
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int minValue() const;
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int maxValue() const;
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void setMinValue( int );
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void setMaxValue( int );
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int lineStep() const;
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int pageStep() const;
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void setLineStep( int );
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void setPageStep( int );
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int value() const;
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public slots:
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virtual void setValue( int );
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void addLine();
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void subtractLine();
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void addPage();
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void subtractPage();
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virtual void setNotchesVisible( bool b );
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virtual void setWrapping( bool on );
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virtual void setTracking( bool enable );
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signals:
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void valueChanged( int value );
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void dialPressed();
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void dialMoved( int value );
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void dialReleased();
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protected:
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void resizeEvent( QResizeEvent * );
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void paintEvent( QPaintEvent * );
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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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#ifndef QT_NO_WHEELEVENT
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void wheelEvent( QWheelEvent * );
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#endif
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void focusInEvent( QFocusEvent * );
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void focusOutEvent( QFocusEvent * );
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void valueChange();
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void rangeChange();
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virtual void repaintScreen( const QRect *cr = 0 );
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private:
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QDialPrivate * d;
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int valueFromPoint( const QPoint & ) const;
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double angle( const QPoint &, const QPoint & ) const;
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QPointArray calcArrow( double &a ) const;
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QRect calcDial() const;
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int calcBigLineSize() const;
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void calcLines();
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private: // Disabled copy constructor and operator=
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#if defined(Q_DISABLE_COPY)
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QDial( const QDial & );
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QDial &operator=( const QDial & );
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#endif
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};
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#endif // QT_NO_DIAL
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#endif
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