home *** CD-ROM | disk | FTP | other *** search
- /****************************************************************************
- ** $Id: qt/qscrollbar.h 3.0.3 edited Nov 9 20:53 $
- **
- ** Definition of QScrollBar class
- **
- ** Created : 940427
- **
- ** 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 QSCROLLBAR_H
- #define QSCROLLBAR_H
-
- class QTimer;
-
- #ifndef QT_H
- #include "qwidget.h"
- #include "qrangecontrol.h"
- #endif // QT_H
-
- #ifndef QT_NO_SCROLLBAR
-
-
- class Q_EXPORT QScrollBar : public QWidget, public QRangeControl
- {
- Q_OBJECT
- 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( bool draggingSlider READ draggingSlider )
- Q_PROPERTY( Orientation orientation READ orientation WRITE setOrientation )
-
- public:
- QScrollBar( QWidget *parent, const char* name=0 );
- QScrollBar( Orientation, QWidget *parent, const char* name=0 );
- QScrollBar( int minValue, int maxValue, int LineStep, 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;
- bool draggingSlider() const;
-
- virtual void setPalette( const QPalette & );
- QSize sizeHint() const;
-
- 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;
-
- int sliderStart() const;
- QRect sliderRect() const;
-
- public slots:
- void setValue( int );
-
- signals:
- void valueChanged( int value );
- void sliderPressed();
- void sliderMoved( int value );
- void sliderReleased();
- void nextLine();
- void prevLine();
- void nextPage();
- void prevPage();
-
- protected:
- #ifndef QT_NO_WHEELEVENT
- void wheelEvent( QWheelEvent * );
- #endif
- void keyPressEvent( QKeyEvent * );
- void resizeEvent( QResizeEvent * );
- void paintEvent( QPaintEvent * );
-
- void mousePressEvent( QMouseEvent * );
- void mouseReleaseEvent( QMouseEvent * );
- void mouseMoveEvent( QMouseEvent * );
- void contextMenuEvent( QContextMenuEvent * );
-
- void valueChange();
- void stepChange();
- void rangeChange();
-
- void styleChange( QStyle& );
-
- private slots:
- void doAutoRepeat();
-
- private:
- void init();
- void positionSliderFromValue();
- int calculateValueFromSlider() const;
-
- void startAutoRepeat();
- void stopAutoRepeat();
-
- int rangeValueToSliderPos( int val ) const;
- int sliderPosToRangeValue( int val ) const;
-
- void action( int control );
-
- void drawControls( uint controls, uint activeControl ) const;
- void drawControls( uint controls, uint activeControl,
- QPainter *p ) const;
-
- uint pressedControl;
- bool track;
- bool clickedAt;
- Orientation orient;
-
- int slidePrevVal;
- QCOORD sliderPos;
- QCOORD clickOffset;
-
- QTimer * repeater;
- void * d;
-
- private: // Disabled copy constructor and operator=
- #if defined(Q_DISABLE_COPY)
- QScrollBar( const QScrollBar & );
- QScrollBar &operator=( const QScrollBar & );
- #endif
- };
-
-
- inline void QScrollBar::setTracking( bool t )
- {
- track = t;
- }
-
- inline bool QScrollBar::tracking() const
- {
- return track;
- }
-
- inline QScrollBar::Orientation QScrollBar::orientation() const
- {
- return orient;
- }
-
- inline int QScrollBar::sliderStart() const
- {
- return sliderPos;
- }
-
-
- #endif // QT_NO_SCROLLBAR
-
- #endif // QSCROLLBAR_H
-