home *** CD-ROM | disk | FTP | other *** search
- /****************************************************************************
- ** $Id$
- **
- ** Definition of QSlider class
- **
- ** Created : 961019
- **
- ** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
- **
- ** This file is part of the widgets module of the Qt GUI Toolkit.
- **
- ** This file may be distributed under the terms of the Q Public License
- ** as defined by Trolltech AS of Norway and appearing in the file
- ** LICENSE.QPL included in the packaging of this file.
- **
- ** This file may be distributed and/or modified under the terms of the
- ** GNU General Public License version 2 as published by the Free Software
- ** Foundation and appearing in the file LICENSE.GPL included in the
- ** packaging of this file.
- **
- ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
- ** 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
- ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- **
- ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
- ** information about Qt Commercial License Agreements.
- ** See http://www.trolltech.com/qpl/ for QPL licensing information.
- ** See http://www.trolltech.com/gpl/ for GPL licensing information.
- **
- ** Contact info@trolltech.com if any conditions of this licensing are
- ** not clear to you.
- **
- **********************************************************************/
-
- #ifndef QSLIDER_H
- #define QSLIDER_H
-
- #ifndef QT_H
- #include "qwidget.h"
- #include "qrangecontrol.h"
- #endif // QT_H
-
- #ifndef QT_NO_SLIDER
-
-
- struct QSliderPrivate;
-
- class QTimer;
-
- class Q_EXPORT QSlider : public QWidget, public QRangeControl
- {
- Q_OBJECT
- Q_ENUMS( TickSetting )
- Q_PROPERTY( int minValue READ minValue WRITE setMinValue )
- Q_PROPERTY( int maxValue READ maxValue WRITE setMaxValue )
- Q_PROPERTY( int lineStep READ lineStep WRITE setLineStep )
- Q_PROPERTY( int pageStep READ pageStep WRITE setPageStep )
- Q_PROPERTY( int value READ value WRITE setValue )
- Q_PROPERTY( bool tracking READ tracking WRITE setTracking )
- Q_PROPERTY( Orientation orientation READ orientation WRITE setOrientation )
- Q_PROPERTY( TickSetting tickmarks READ tickmarks WRITE setTickmarks )
- Q_PROPERTY( int tickInterval READ tickInterval WRITE setTickInterval )
-
- public:
- enum TickSetting { NoMarks = 0, Above = 1, Left = Above,
- Below = 2, Right = Below, Both = 3 };
-
- QSlider( QWidget *parent, const char* name=0 );
- QSlider( Orientation, QWidget *parent, const char* name=0 );
- QSlider( int minValue, int maxValue, int pageStep, int value, Orientation,
- QWidget *parent, const char* name=0 );
-
- virtual void setOrientation( Orientation );
- Orientation orientation() const;
- virtual void setTracking( bool enable );
- bool tracking() const;
- virtual void setPalette( const QPalette & );
-
- int sliderStart() const;
- QRect sliderRect() const;
- QSize sizeHint() const;
- QSizePolicy sizePolicy() const;
- QSize minimumSizeHint() const;
-
- virtual void setTickmarks( TickSetting );
- TickSetting tickmarks() const { return ticks; }
-
- virtual void setTickInterval( int );
- int tickInterval() const { return tickInt; }
-
- int minValue() const;
- int maxValue() const;
- void setMinValue( int );
- void setMaxValue( int );
- int lineStep() const;
- int pageStep() const;
- void setLineStep( int );
- void setPageStep( int );
- int value() const;
-
- public slots:
- virtual void setValue( int );
- void addStep();
- void subtractStep();
-
- signals:
- void valueChanged( int value );
- void sliderPressed();
- void sliderMoved( int value );
- void sliderReleased();
-
- protected:
- void resizeEvent( QResizeEvent * );
- void paintEvent( QPaintEvent * );
-
- void keyPressEvent( QKeyEvent * );
- void mousePressEvent( QMouseEvent * );
- void mouseReleaseEvent( QMouseEvent * );
- void mouseMoveEvent( QMouseEvent * );
- #ifndef QT_NO_WHEELEVENT
- void wheelEvent( QWheelEvent * );
- #endif
- void focusInEvent( QFocusEvent *e );
- void focusOutEvent( QFocusEvent *e );
-
- void styleChange( QStyle& );
-
- void valueChange();
- void rangeChange();
-
- private slots:
- void repeatTimeout();
-
- private:
- enum State { Idle, Dragging, TimingUp, TimingDown };
-
- void init();
- int positionFromValue( int ) const;
- int valueFromPosition( int ) const;
- void moveSlider( int );
- void reallyMoveSlider( int );
- void resetState();
- int available() const;
- int goodPart( const QPoint& ) const;
- void initTicks();
-
- QSliderPrivate *extra;
- QTimer *timer;
- QCOORD sliderPos;
- int sliderVal;
- QCOORD clickOffset;
- State state;
- bool track;
- QCOORD tickOffset;
- TickSetting ticks;
- int tickInt;
- Orientation orient;
-
- private: // Disabled copy constructor and operator=
- #if defined(Q_DISABLE_COPY)
- QSlider( const QSlider & );
- QSlider &operator=( const QSlider & );
- #endif
- };
-
- inline bool QSlider::tracking() const
- {
- return track;
- }
-
- inline QSlider::Orientation QSlider::orientation() const
- {
- return orient;
- }
-
- inline int QSlider::sliderStart() const
- {
- return sliderPos;
- }
-
- #endif // QT_NO_SLIDER
-
- #endif // QSLIDER_H
-