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It is provided only for illustration; the copyright remains with Trolltech. +<hr> +<pre> +/**************************************************************************** +** $Id: qt/qscrollbar.h 3.3.8 edited Jan 11 14:38 $ +** +** Definition of TQScrollBar class +** +** Created : 940427 +** +** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved. +** +** This file is part of the widgets module of the TQt 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 file LICENSE.GPL 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 TQt Foundation. +** +** Please review the following information to ensure GNU General +** Public Licensing retquirements 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.TQPL +** included in the packaging of this file. Licensees holding valid TQt +** Commercial licenses may use this file in accordance with the TQt +** 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 TQSCROLLBAR_H +#define TQSCROLLBAR_H + +class TQTimer; + +#ifndef QT_H +#include "qwidget.h" +#include "qrangecontrol.h" +#endif // QT_H + +#ifndef QT_NO_SCROLLBAR + +class Q_EXPORT TQScrollBar : public TQWidget, public TQRangeControl +{ + 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: + TQScrollBar( TQWidget *parent, const char* name = 0 ); + TQScrollBar( Orientation, TQWidget *parent, const char* name = 0 ); + TQScrollBar( int minValue, int maxValue, int lineStep, int pageStep, + int value, Orientation, TQWidget *parent, const char* name = 0 ); + ~TQScrollBar(); + + virtual void setOrientation( Orientation ); + Orientation orientation() const; + virtual void setTracking( bool enable ); + bool tracking() const; + bool draggingSlider() const; + + virtual void setPalette( const TQPalette & ); + virtual TQSize sizeHint() const; + virtual void setSizePolicy( TQSizePolicy sp ); + void setSizePolicy( TQSizePolicy::SizeType hor, TQSizePolicy::SizeType ver, bool hfw = FALSE ); + + 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; + TQRect 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( TQWheelEvent * ); +#endif + void keyPressEvent( TQKeyEvent * ); + void resizeEvent( TQResizeEvent * ); + void paintEvent( TQPaintEvent * ); + + void mousePressEvent( TQMouseEvent * ); + void mouseReleaseEvent( TQMouseEvent * ); + void mouseMoveEvent( TQMouseEvent * ); + void contextMenuEvent( TQContextMenuEvent * ); + void hideEvent( TQHideEvent* ); + + void valueChange(); + void stepChange(); + void rangeChange(); + + void styleChange( TQStyle& ); + +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, + TQPainter *p ) const; + + uint pressedControl; + bool track; + bool clickedAt; + Orientation orient; + + int slidePrevVal; + TQCOORD sliderPos; + TQCOORD clickOffset; + + TQTimer * repeater; + void * d; + +private: // Disabled copy constructor and operator= +#if defined(Q_DISABLE_COPY) + TQScrollBar( const TQScrollBar & ); + TQScrollBar &operator=( const TQScrollBar & ); +#endif +}; + + +inline void TQScrollBar::setTracking( bool t ) +{ + track = t; +} + +inline bool TQScrollBar::tracking() const +{ + return track; +} + +inline TQScrollBar::Orientation TQScrollBar::orientation() const +{ + return orient; +} + +inline int TQScrollBar::sliderStart() const +{ + return sliderPos; +} + +inline void TQScrollBar::setSizePolicy( TQSizePolicy::SizeType hor, TQSizePolicy::SizeType ver, bool hfw ) +{ + TQWidget::setSizePolicy( hor, ver, hfw ); +} + + +#endif // QT_NO_SCROLLBAR + +#endif // TQSCROLLBAR_H +</pre> +<!-- eof --> +<p><address><hr><div align=center> +<table width=100% cellspacing=0 border=0><tr> +<td>Copyright © 2007 +<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a> +<td align=right><div align=right>TQt 3.3.8</div> +</table></div></address></body> +</html> |