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1072 lines
34 KiB
1072 lines
34 KiB
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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>qwidget.h</h1>
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<p>This is the verbatim text of the qwidget.h include file. It is provided only for illustration; the copyright remains with Trolltech.
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<hr>
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<pre>
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/****************************************************************************
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** $Id: qt/qwidget.h 3.3.8 edited Jan 11 14:38 $
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**
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** Definition of QWidget class
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**
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** Created : 931029
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**
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** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
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**
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** This file is part of the kernel 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 Public
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** License versions 2.0 or 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Alternatively you may (at your option) use any
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** later version of the GNU General Public License if such license has
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** been 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 QWIDGET_H
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#define QWIDGET_H
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#ifndef QT_H
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#include "qwindowdefs.h"
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#include "qobject.h"
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#include "qpaintdevice.h"
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#include "qpalette.h"
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#include "qfont.h"
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#include "qfontmetrics.h"
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#include "qfontinfo.h"
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#include "qsizepolicy.h"
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#endif // QT_H
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class QLayout;
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struct QWExtra;
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struct QTLWExtra;
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class QFocusData;
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class QCursor;
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class QWSRegionManager;
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class QStyle;
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class Q_EXPORT QWidget : public QObject, public QPaintDevice
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{
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Q_OBJECT
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Q_ENUMS( BackgroundMode FocusPolicy BackgroundOrigin )
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Q_PROPERTY( bool isTopLevel READ isTopLevel )
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Q_PROPERTY( bool isDialog READ isDialog )
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Q_PROPERTY( bool isModal READ isModal )
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Q_PROPERTY( bool isPopup READ isPopup )
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Q_PROPERTY( bool isDesktop READ isDesktop )
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Q_PROPERTY( bool enabled READ isEnabled WRITE setEnabled )
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Q_PROPERTY( QRect geometry READ geometry WRITE setGeometry )
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Q_PROPERTY( QRect frameGeometry READ frameGeometry )
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Q_PROPERTY( int x READ x )
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Q_PROPERTY( int y READ y )
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Q_PROPERTY( QPoint pos READ pos WRITE move DESIGNABLE false STORED false )
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Q_PROPERTY( QSize frameSize READ frameSize )
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Q_PROPERTY( QSize size READ size WRITE resize DESIGNABLE false STORED false )
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Q_PROPERTY( int width READ width )
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Q_PROPERTY( int height READ height )
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Q_PROPERTY( QRect rect READ rect )
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Q_PROPERTY( QRect childrenRect READ childrenRect )
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Q_PROPERTY( QRegion childrenRegion READ childrenRegion )
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Q_PROPERTY( QSizePolicy sizePolicy READ sizePolicy WRITE setSizePolicy )
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Q_PROPERTY( QSize minimumSize READ minimumSize WRITE setMinimumSize )
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Q_PROPERTY( QSize maximumSize READ maximumSize WRITE setMaximumSize )
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Q_PROPERTY( int minimumWidth READ minimumWidth WRITE setMinimumWidth STORED false DESIGNABLE false )
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Q_PROPERTY( int minimumHeight READ minimumHeight WRITE setMinimumHeight STORED false DESIGNABLE false )
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Q_PROPERTY( int maximumWidth READ maximumWidth WRITE setMaximumWidth STORED false DESIGNABLE false )
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Q_PROPERTY( int maximumHeight READ maximumHeight WRITE setMaximumHeight STORED false DESIGNABLE false )
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Q_PROPERTY( QSize sizeIncrement READ sizeIncrement WRITE setSizeIncrement )
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Q_PROPERTY( QSize baseSize READ baseSize WRITE setBaseSize )
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Q_PROPERTY( BackgroundMode backgroundMode READ backgroundMode WRITE setBackgroundMode DESIGNABLE false )
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Q_PROPERTY( QColor paletteForegroundColor READ paletteForegroundColor WRITE setPaletteForegroundColor RESET unsetPalette )
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Q_PROPERTY( QColor paletteBackgroundColor READ paletteBackgroundColor WRITE setPaletteBackgroundColor RESET unsetPalette )
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Q_PROPERTY( QPixmap paletteBackgroundPixmap READ paletteBackgroundPixmap WRITE setPaletteBackgroundPixmap RESET unsetPalette )
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Q_PROPERTY( QBrush backgroundBrush READ backgroundBrush )
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Q_PROPERTY( QColorGroup colorGroup READ colorGroup )
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Q_PROPERTY( QPalette palette READ palette WRITE setPalette RESET unsetPalette STORED ownPalette )
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Q_PROPERTY( BackgroundOrigin backgroundOrigin READ backgroundOrigin WRITE setBackgroundOrigin )
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Q_PROPERTY( bool ownPalette READ ownPalette )
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Q_PROPERTY( QFont font READ font WRITE setFont RESET unsetFont STORED ownFont )
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Q_PROPERTY( bool ownFont READ ownFont )
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#ifndef QT_NO_CURSOR
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Q_PROPERTY( QCursor cursor READ cursor WRITE setCursor RESET unsetCursor STORED ownCursor )
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Q_PROPERTY( bool ownCursor READ ownCursor )
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#endif
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#ifndef QT_NO_WIDGET_TOPEXTRA
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Q_PROPERTY( QString caption READ caption WRITE setCaption )
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Q_PROPERTY( QPixmap icon READ icon WRITE setIcon )
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Q_PROPERTY( QString iconText READ iconText WRITE setIconText )
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#endif
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Q_PROPERTY( bool mouseTracking READ hasMouseTracking WRITE setMouseTracking )
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Q_PROPERTY( bool underMouse READ hasMouse )
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Q_PROPERTY( bool isActiveWindow READ isActiveWindow )
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Q_PROPERTY( bool focusEnabled READ isFocusEnabled )
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Q_PROPERTY( FocusPolicy focusPolicy READ focusPolicy WRITE setFocusPolicy )
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Q_PROPERTY( bool focus READ hasFocus )
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Q_PROPERTY( bool updatesEnabled READ isUpdatesEnabled WRITE setUpdatesEnabled DESIGNABLE false )
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Q_PROPERTY( bool visible READ isVisible )
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Q_PROPERTY( QRect visibleRect READ visibleRect ) // obsolete
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Q_PROPERTY( bool hidden READ isHidden WRITE setHidden DESIGNABLE false SCRIPTABLE false )
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Q_PROPERTY( bool shown READ isShown WRITE setShown DESIGNABLE false SCRIPTABLE false )
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Q_PROPERTY( bool minimized READ isMinimized )
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Q_PROPERTY( bool maximized READ isMaximized )
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Q_PROPERTY( bool fullScreen READ isFullScreen )
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Q_PROPERTY( QSize sizeHint READ sizeHint )
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Q_PROPERTY( QSize minimumSizeHint READ minimumSizeHint )
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Q_PROPERTY( QRect microFocusHint READ microFocusHint )
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Q_PROPERTY( bool acceptDrops READ acceptDrops WRITE setAcceptDrops )
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Q_PROPERTY( bool autoMask READ autoMask WRITE setAutoMask DESIGNABLE false SCRIPTABLE false )
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Q_PROPERTY( bool customWhatsThis READ customWhatsThis )
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Q_PROPERTY( bool inputMethodEnabled READ isInputMethodEnabled WRITE setInputMethodEnabled DESIGNABLE false SCRIPTABLE false )
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Q_PROPERTY( double windowOpacity READ windowOpacity WRITE setWindowOpacity DESIGNABLE false )
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public:
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Q_EXPLICIT QWidget( QWidget* parent=0, const char* name=0, WFlags f=0 );
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~QWidget();
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WId winId() const;
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void setName( const char *name );
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#ifndef QT_NO_STYLE
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// GUI style setting
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QStyle &style() const;
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void setStyle( QStyle * );
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QStyle* setStyle( const QString& );
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#endif
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// Widget types and states
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bool isTopLevel() const;
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bool isDialog() const;
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bool isPopup() const;
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bool isDesktop() const;
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bool isModal() const;
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bool isEnabled() const;
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bool isEnabledTo(QWidget*) const;
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bool isEnabledToTLW() const;
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public slots:
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virtual void setEnabled( bool );
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void setDisabled( bool );
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// Widget coordinates
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public:
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QRect frameGeometry() const;
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const QRect &geometry() const;
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int x() const;
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int y() const;
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QPoint pos() const;
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QSize frameSize() const;
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QSize size() const;
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int width() const;
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int height() const;
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QRect rect() const;
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QRect childrenRect() const;
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QRegion childrenRegion() const;
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QSize minimumSize() const;
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QSize maximumSize() const;
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int minimumWidth() const;
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int minimumHeight() const;
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int maximumWidth() const;
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int maximumHeight() const;
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void setMinimumSize( const QSize & );
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virtual void setMinimumSize( int minw, int minh );
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void setMaximumSize( const QSize & );
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virtual void setMaximumSize( int maxw, int maxh );
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void setMinimumWidth( int minw );
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void setMinimumHeight( int minh );
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void setMaximumWidth( int maxw );
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void setMaximumHeight( int maxh );
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QSize sizeIncrement() const;
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void setSizeIncrement( const QSize & );
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virtual void setSizeIncrement( int w, int h );
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QSize baseSize() const;
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void setBaseSize( const QSize & );
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void setBaseSize( int basew, int baseh );
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void setFixedSize( const QSize & );
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void setFixedSize( int w, int h );
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void setFixedWidth( int w );
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void setFixedHeight( int h );
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// Widget coordinate mapping
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QPoint mapToGlobal( const QPoint & ) const;
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QPoint mapFromGlobal( const QPoint & ) const;
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QPoint mapToParent( const QPoint & ) const;
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QPoint mapFromParent( const QPoint & ) const;
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QPoint mapTo( QWidget *, const QPoint & ) const;
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QPoint mapFrom( QWidget *, const QPoint & ) const;
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QWidget *topLevelWidget() const;
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// Widget attribute functions
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BackgroundMode backgroundMode() const;
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virtual void setBackgroundMode( BackgroundMode );
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void setBackgroundMode( BackgroundMode, BackgroundMode );
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const QColor & foregroundColor() const;
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const QColor & eraseColor() const;
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virtual void setEraseColor( const QColor & );
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const QPixmap * erasePixmap() const;
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virtual void setErasePixmap( const QPixmap & );
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#ifndef QT_NO_PALETTE
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const QColorGroup & colorGroup() const;
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const QPalette & palette() const;
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bool ownPalette() const;
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virtual void setPalette( const QPalette & );
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void unsetPalette();
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#endif
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const QColor & paletteForegroundColor() const;
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void setPaletteForegroundColor( const QColor & );
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const QColor & paletteBackgroundColor() const;
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virtual void setPaletteBackgroundColor( const QColor & );
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const QPixmap * paletteBackgroundPixmap() const;
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virtual void setPaletteBackgroundPixmap( const QPixmap & );
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const QBrush& backgroundBrush() const;
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QFont font() const;
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bool ownFont() const;
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virtual void setFont( const QFont & );
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void unsetFont();
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QFontMetrics fontMetrics() const;
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QFontInfo fontInfo() const;
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#ifndef QT_NO_CURSOR
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const QCursor &cursor() const;
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bool ownCursor() const;
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virtual void setCursor( const QCursor & );
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virtual void unsetCursor();
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#endif
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#ifndef QT_NO_WIDGET_TOPEXTRA
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QString caption() const;
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const QPixmap *icon() const;
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QString iconText() const;
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#endif
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bool hasMouseTracking() const;
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bool hasMouse() const;
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virtual void setMask( const QBitmap & );
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virtual void setMask( const QRegion & );
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void clearMask();
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const QColor & backgroundColor() const; // obsolete, use eraseColor()
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virtual void setBackgroundColor( const QColor & ); // obsolete, use setEraseColor()
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const QPixmap * backgroundPixmap() const; // obsolete, use erasePixmap()
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virtual void setBackgroundPixmap( const QPixmap & ); // obsolete, use setErasePixmap()
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public slots:
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#ifndef QT_NO_WIDGET_TOPEXTRA
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virtual void setCaption( const QString &);
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virtual void setIcon( const QPixmap & );
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virtual void setIconText( const QString &);
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#endif
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virtual void setMouseTracking( bool enable );
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// Keyboard input focus functions
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virtual void setFocus();
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void clearFocus();
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public:
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enum FocusPolicy {
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NoFocus = 0,
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TabFocus = 0x1,
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ClickFocus = 0x2,
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StrongFocus = TabFocus | ClickFocus | 0x8,
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WheelFocus = StrongFocus | 0x4
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};
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bool isActiveWindow() const;
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virtual void setActiveWindow();
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bool isFocusEnabled() const;
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FocusPolicy focusPolicy() const;
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virtual void setFocusPolicy( FocusPolicy );
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bool hasFocus() const;
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static void setTabOrder( QWidget *, QWidget * );
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virtual void setFocusProxy( QWidget * );
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QWidget * focusProxy() const;
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void setInputMethodEnabled( bool b );
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bool isInputMethodEnabled() const;
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// Grab functions
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void grabMouse();
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#ifndef QT_NO_CURSOR
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void grabMouse( const QCursor & );
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#endif
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void releaseMouse();
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void grabKeyboard();
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void releaseKeyboard();
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static QWidget * mouseGrabber();
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static QWidget * keyboardGrabber();
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// Update/refresh functions
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bool isUpdatesEnabled() const;
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#if 0 //def Q_WS_QWS
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void repaintUnclipped( const QRegion &, bool erase = TRUE );
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#endif
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public slots:
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virtual void setUpdatesEnabled( bool enable );
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void update();
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void update( int x, int y, int w, int h );
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void update( const QRect& );
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void repaint();
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void repaint( bool erase );
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void repaint( int x, int y, int w, int h, bool erase=TRUE );
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void repaint( const QRect &, bool erase = TRUE );
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void repaint( const QRegion &, bool erase = TRUE );
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// Widget management functions
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virtual void show();
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virtual void hide();
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void setShown( bool show );
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void setHidden( bool hide );
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#ifndef QT_NO_COMPAT
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void iconify() { showMinimized(); }
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#endif
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virtual void showMinimized();
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virtual void showMaximized();
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void showFullScreen();
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virtual void showNormal();
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virtual void polish();
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void constPolish() const;
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bool close();
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void raise();
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void lower();
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void stackUnder( QWidget* );
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virtual void move( int x, int y );
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void move( const QPoint & );
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virtual void resize( int w, int h );
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void resize( const QSize & );
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virtual void setGeometry( int x, int y, int w, int h );
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virtual void setGeometry( const QRect & ); // ### make non virtual in Qt 4?
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public:
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virtual bool close( bool alsoDelete );
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bool isVisible() const;
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bool isVisibleTo(QWidget*) const;
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bool isVisibleToTLW() const; // obsolete
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QRect visibleRect() const; // obsolete
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bool isHidden() const;
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bool isShown() const;
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bool isMinimized() const;
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bool isMaximized() const;
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bool isFullScreen() const;
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uint windowState() const;
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void setWindowState(uint windowState);
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virtual QSize sizeHint() const;
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virtual QSize minimumSizeHint() const;
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virtual QSizePolicy sizePolicy() const;
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virtual void setSizePolicy( QSizePolicy );
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void setSizePolicy( QSizePolicy::SizeType hor, QSizePolicy::SizeType ver, bool hfw = FALSE );
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virtual int heightForWidth(int) const;
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QRegion clipRegion() const;
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// ### move together with other slots in Qt 4.0
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public slots:
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virtual void adjustSize();
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public:
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#ifndef QT_NO_LAYOUT
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QLayout * layout() const { return lay_out; }
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#endif
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void updateGeometry();
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virtual void reparent( QWidget *parent, WFlags, const QPoint &,
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bool showIt=FALSE );
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void reparent( QWidget *parent, const QPoint &,
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bool showIt=FALSE );
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#ifndef QT_NO_COMPAT
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void recreate( QWidget *parent, WFlags f, const QPoint & p,
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bool showIt=FALSE ) { reparent(parent,f,p,showIt); }
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#endif
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void erase();
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void erase( int x, int y, int w, int h );
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void erase( const QRect & );
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void erase( const QRegion & );
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void scroll( int dx, int dy );
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void scroll( int dx, int dy, const QRect& );
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void drawText( int x, int y, const QString &);
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void drawText( const QPoint &, const QString &);
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// Misc. functions
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QWidget * focusWidget() const;
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QRect microFocusHint() const;
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// drag and drop
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bool acceptDrops() const;
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virtual void setAcceptDrops( bool on );
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// transparency and pseudo transparency
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virtual void setAutoMask(bool);
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bool autoMask() const;
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enum BackgroundOrigin { WidgetOrigin, ParentOrigin, WindowOrigin, AncestorOrigin };
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virtual void setBackgroundOrigin( BackgroundOrigin );
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BackgroundOrigin backgroundOrigin() const;
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QPoint backgroundOffset() const;
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// whats this help
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virtual bool customWhatsThis() const;
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QWidget * parentWidget( bool sameWindow = FALSE ) const;
|
|
WState testWState( WState s ) const;
|
|
WFlags testWFlags( WFlags f ) const;
|
|
static QWidget * find( WId );
|
|
static QWidgetMapper *wmapper();
|
|
|
|
QWidget *childAt( int x, int y, bool includeThis = FALSE ) const;
|
|
QWidget *childAt( const QPoint &, bool includeThis = FALSE ) const;
|
|
|
|
#if defined(Q_WS_QWS)
|
|
virtual QGfx * graphicsContext(bool clip_children=TRUE) const;
|
|
#endif
|
|
#if defined(Q_WS_MAC)
|
|
QRegion clippedRegion(bool do_children=TRUE);
|
|
uint clippedSerial(bool do_children=TRUE);
|
|
#ifndef QMAC_NO_QUARTZ
|
|
CGContextRef macCGContext(bool clipped=TRUE) const;
|
|
#endif
|
|
#endif
|
|
|
|
void setWindowOpacity(double level);
|
|
double windowOpacity() const;
|
|
|
|
protected:
|
|
// Event handlers
|
|
bool event( QEvent * );
|
|
virtual void mousePressEvent( QMouseEvent * );
|
|
virtual void mouseReleaseEvent( QMouseEvent * );
|
|
virtual void mouseDoubleClickEvent( QMouseEvent * );
|
|
virtual void mouseMoveEvent( QMouseEvent * );
|
|
#ifndef QT_NO_WHEELEVENT
|
|
virtual void wheelEvent( QWheelEvent * );
|
|
#endif
|
|
virtual void keyPressEvent( QKeyEvent * );
|
|
virtual void keyReleaseEvent( QKeyEvent * );
|
|
virtual void focusInEvent( QFocusEvent * );
|
|
virtual void focusOutEvent( QFocusEvent * );
|
|
virtual void enterEvent( QEvent * );
|
|
virtual void leaveEvent( QEvent * );
|
|
virtual void paintEvent( QPaintEvent * );
|
|
virtual void moveEvent( QMoveEvent * );
|
|
virtual void resizeEvent( QResizeEvent * );
|
|
virtual void closeEvent( QCloseEvent * );
|
|
virtual void contextMenuEvent( QContextMenuEvent * );
|
|
virtual void imStartEvent( QIMEvent * );
|
|
virtual void imComposeEvent( QIMEvent * );
|
|
virtual void imEndEvent( QIMEvent * );
|
|
virtual void tabletEvent( QTabletEvent * );
|
|
|
|
#ifndef QT_NO_DRAGANDDROP
|
|
virtual void dragEnterEvent( QDragEnterEvent * );
|
|
virtual void dragMoveEvent( QDragMoveEvent * );
|
|
virtual void dragLeaveEvent( QDragLeaveEvent * );
|
|
virtual void dropEvent( QDropEvent * );
|
|
#endif
|
|
|
|
virtual void showEvent( QShowEvent * );
|
|
virtual void hideEvent( QHideEvent * );
|
|
|
|
#if defined(Q_WS_MAC)
|
|
virtual bool macEvent( MSG * );
|
|
#endif
|
|
#if defined(Q_WS_WIN)
|
|
virtual bool winEvent( MSG * );
|
|
#endif
|
|
#if defined(Q_WS_X11)
|
|
virtual bool x11Event( XEvent * );
|
|
#endif
|
|
#if defined(Q_WS_QWS)
|
|
virtual bool qwsEvent( QWSEvent * );
|
|
virtual unsigned char *scanLine( int ) const;
|
|
virtual int bytesPerLine() const;
|
|
#endif
|
|
|
|
virtual void updateMask();
|
|
|
|
// Misc. protected functions
|
|
|
|
#ifndef QT_NO_STYLE
|
|
virtual void styleChange( QStyle& );
|
|
#endif
|
|
virtual void enabledChange( bool oldEnabled );
|
|
#ifndef QT_NO_PALETTE
|
|
virtual void paletteChange( const QPalette & );
|
|
#endif
|
|
virtual void fontChange( const QFont & );
|
|
virtual void windowActivationChange( bool oldActive );
|
|
|
|
int metric( int ) const;
|
|
|
|
void resetInputContext();
|
|
|
|
virtual void create( WId = 0, bool initializeWindow = TRUE,
|
|
bool destroyOldWindow = TRUE );
|
|
virtual void destroy( bool destroyWindow = TRUE,
|
|
bool destroySubWindows = TRUE );
|
|
uint getWState() const;
|
|
virtual void setWState( uint );
|
|
void clearWState( uint n );
|
|
WFlags getWFlags() const;
|
|
virtual void setWFlags( WFlags );
|
|
void clearWFlags( WFlags n );
|
|
|
|
virtual bool focusNextPrevChild( bool next );
|
|
|
|
QWExtra *extraData();
|
|
QTLWExtra *topData();
|
|
QFocusData *focusData();
|
|
|
|
virtual void setKeyCompression(bool);
|
|
virtual void setMicroFocusHint(int x, int y, int w, int h, bool text=TRUE, QFont *f = 0);
|
|
|
|
#if defined(Q_WS_MAC)
|
|
void dirtyClippedRegion(bool);
|
|
bool isClippedRegionDirty();
|
|
virtual void setRegionDirty(bool);
|
|
virtual void macWidgetChangedWindow();
|
|
#endif
|
|
|
|
private slots:
|
|
void focusProxyDestroyed();
|
|
|
|
private:
|
|
void setFontSys( QFont *f = 0 );
|
|
#if defined(Q_WS_X11)
|
|
void createInputContext();
|
|
void destroyInputContext();
|
|
void focusInputContext();
|
|
void checkChildrenDnd();
|
|
#elif defined(Q_WS_MAC)
|
|
uint own_id : 1, macDropEnabled : 1;
|
|
EventHandlerRef window_event;
|
|
//mac event functions
|
|
void propagateUpdates(bool update_rgn=TRUE);
|
|
void update( const QRegion& );
|
|
//friends, way too many - fix this immediately!
|
|
friend void qt_clean_root_win();
|
|
friend bool qt_recreate_root_win();
|
|
friend QPoint posInWindow(QWidget *);
|
|
friend bool qt_mac_update_sizer(QWidget *, int);
|
|
friend QWidget *qt_recursive_match(QWidget *widg, int x, int y);
|
|
friend bool qt_paint_children(QWidget *,QRegion &, uchar ops);
|
|
friend QMAC_PASCAL OSStatus qt_window_event(EventHandlerCallRef er, EventRef event, void *);
|
|
friend void qt_event_request_updates(QWidget *, const QRegion &, bool subtract);
|
|
friend bool qt_window_rgn(WId, short, RgnHandle, bool);
|
|
friend class QDragManager;
|
|
#endif
|
|
|
|
#ifndef QT_NO_LAYOUT
|
|
void setLayout( QLayout *l );
|
|
#endif
|
|
void setWinId( WId );
|
|
void showWindow();
|
|
void hideWindow();
|
|
void showChildren( bool spontaneous );
|
|
void hideChildren( bool spontaneous );
|
|
void reparentSys( QWidget *parent, WFlags, const QPoint &, bool showIt);
|
|
void createTLExtra();
|
|
void createExtra();
|
|
void deleteExtra();
|
|
void createSysExtra();
|
|
void deleteSysExtra();
|
|
void createTLSysExtra();
|
|
void deleteTLSysExtra();
|
|
void deactivateWidgetCleanup();
|
|
void internalSetGeometry( int, int, int, int, bool );
|
|
void reparentFocusWidgets( QWidget * );
|
|
QFocusData *focusData( bool create );
|
|
void setBackgroundFromMode();
|
|
void setBackgroundColorDirect( const QColor & );
|
|
void setBackgroundPixmapDirect( const QPixmap & );
|
|
void setBackgroundModeDirect( BackgroundMode );
|
|
void setBackgroundEmpty();
|
|
void updateFrameStrut() const;
|
|
#if defined(Q_WS_X11)
|
|
void setBackgroundX11Relative();
|
|
#endif
|
|
|
|
WId winid;
|
|
uint widget_state;
|
|
uint widget_flags;
|
|
uint focus_policy : 4;
|
|
uint own_font :1;
|
|
uint own_palette :1;
|
|
uint sizehint_forced :1;
|
|
uint is_closing :1;
|
|
uint in_show : 1;
|
|
uint in_show_maximized : 1;
|
|
uint fstrut_dirty : 1;
|
|
uint im_enabled : 1;
|
|
QRect crect;
|
|
QColor bg_col;
|
|
#ifndef QT_NO_PALETTE
|
|
QPalette pal;
|
|
#endif
|
|
QFont fnt;
|
|
#ifndef QT_NO_LAYOUT
|
|
QLayout *lay_out;
|
|
#endif
|
|
QWExtra *extra;
|
|
#if defined(Q_WS_QWS)
|
|
QRegion req_region; // Requested region
|
|
mutable QRegion paintable_region; // Paintable region
|
|
mutable bool paintable_region_dirty;// needs to be recalculated
|
|
mutable QRegion alloc_region; // Allocated region
|
|
mutable bool alloc_region_dirty; // needs to be recalculated
|
|
mutable int overlapping_children; // Handle overlapping children
|
|
|
|
int alloc_region_index;
|
|
int alloc_region_revision;
|
|
|
|
void updateOverlappingChildren() const;
|
|
void setChildrenAllocatedDirty();
|
|
void setChildrenAllocatedDirty( const QRegion &r, const QWidget *dirty=0 );
|
|
bool isAllocatedRegionDirty() const;
|
|
void updateRequestedRegion( const QPoint &gpos );
|
|
QRegion requestedRegion() const;
|
|
QRegion allocatedRegion() const;
|
|
QRegion paintableRegion() const;
|
|
|
|
void updateGraphicsContext( QGfx *qgfx_qws, bool clip_children ) const;
|
|
#ifndef QT_NO_CURSOR
|
|
void updateCursor( const QRegion &r ) const;
|
|
#endif
|
|
|
|
// used to accumulate dirty region when children moved/resized.
|
|
QRegion dirtyChildren;
|
|
bool isSettingGeometry;
|
|
friend class QWSManager;
|
|
#endif
|
|
static int instanceCounter; // Current number of widget instances
|
|
static int maxInstances; // Maximum number of widget instances
|
|
|
|
static void createMapper();
|
|
static void destroyMapper();
|
|
static QWidgetList *wList();
|
|
static QWidgetList *tlwList();
|
|
static QWidgetMapper *mapper;
|
|
friend class QApplication;
|
|
friend class QBaseApplication;
|
|
friend class QPainter;
|
|
friend class QFontMetrics;
|
|
friend class QFontInfo;
|
|
friend class QETWidget;
|
|
friend class QLayout;
|
|
|
|
private: // Disabled copy constructor and operator=
|
|
#if defined(Q_DISABLE_COPY)
|
|
QWidget( const QWidget & );
|
|
QWidget &operator=( const QWidget & );
|
|
#endif
|
|
|
|
public: // obsolete functions to dissappear or to become inline in 3.0
|
|
#ifndef QT_NO_PALETTE
|
|
void setPalette( const QPalette &p, bool ) { setPalette( p ); }
|
|
#endif
|
|
void setFont( const QFont &f, bool ) { setFont( f ); }
|
|
};
|
|
|
|
|
|
inline Qt::WState QWidget::testWState( WState s ) const
|
|
{ return (widget_state & s); }
|
|
|
|
inline Qt::WFlags QWidget::testWFlags( WFlags f ) const
|
|
{ return (widget_flags & f); }
|
|
|
|
|
|
inline WId QWidget::winId() const
|
|
{ return winid; }
|
|
|
|
inline bool QWidget::isTopLevel() const
|
|
{ return testWFlags(WType_TopLevel); }
|
|
|
|
inline bool QWidget::isDialog() const
|
|
{ return testWFlags(WType_Dialog); }
|
|
|
|
inline bool QWidget::isPopup() const
|
|
{ return testWFlags(WType_Popup); }
|
|
|
|
inline bool QWidget::isDesktop() const
|
|
{ return testWFlags(WType_Desktop); }
|
|
|
|
inline bool QWidget::isEnabled() const
|
|
{ return !testWState(WState_Disabled); }
|
|
|
|
inline bool QWidget::isModal() const
|
|
{ return testWFlags(WShowModal); }
|
|
|
|
inline bool QWidget::isEnabledToTLW() const
|
|
{ return isEnabled(); }
|
|
|
|
inline const QRect &QWidget::geometry() const
|
|
{ return crect; }
|
|
|
|
inline QSize QWidget::size() const
|
|
{ return crect.size(); }
|
|
|
|
inline int QWidget::width() const
|
|
{ return crect.width(); }
|
|
|
|
inline int QWidget::height() const
|
|
{ return crect.height(); }
|
|
|
|
inline QRect QWidget::rect() const
|
|
{ return QRect(0,0,crect.width(),crect.height()); }
|
|
|
|
inline int QWidget::minimumWidth() const
|
|
{ return minimumSize().width(); }
|
|
|
|
inline int QWidget::minimumHeight() const
|
|
{ return minimumSize().height(); }
|
|
|
|
inline int QWidget::maximumWidth() const
|
|
{ return maximumSize().width(); }
|
|
|
|
inline int QWidget::maximumHeight() const
|
|
{ return maximumSize().height(); }
|
|
|
|
inline void QWidget::setMinimumSize( const QSize &s )
|
|
{ setMinimumSize(s.width(),s.height()); }
|
|
|
|
inline void QWidget::setMaximumSize( const QSize &s )
|
|
{ setMaximumSize(s.width(),s.height()); }
|
|
|
|
inline void QWidget::setSizeIncrement( const QSize &s )
|
|
{ setSizeIncrement(s.width(),s.height()); }
|
|
|
|
inline void QWidget::setBaseSize( const QSize &s )
|
|
{ setBaseSize(s.width(),s.height()); }
|
|
|
|
inline const QColor &QWidget::eraseColor() const
|
|
{ return bg_col; }
|
|
|
|
#ifndef QT_NO_PALETTE
|
|
inline const QPalette &QWidget::palette() const
|
|
{ return pal; }
|
|
#endif
|
|
|
|
inline QFont QWidget::font() const
|
|
{ return fnt; }
|
|
|
|
inline QFontMetrics QWidget::fontMetrics() const
|
|
{ return QFontMetrics(font()); }
|
|
|
|
inline QFontInfo QWidget::fontInfo() const
|
|
{ return QFontInfo(font()); }
|
|
|
|
inline bool QWidget::hasMouseTracking() const
|
|
{ return testWState(WState_MouseTracking); }
|
|
|
|
inline bool QWidget::hasMouse() const
|
|
{ return testWState(WState_HasMouse); }
|
|
|
|
inline bool QWidget::isFocusEnabled() const
|
|
{ return (FocusPolicy)focus_policy != NoFocus; }
|
|
|
|
inline QWidget::FocusPolicy QWidget::focusPolicy() const
|
|
{ return (FocusPolicy)focus_policy; }
|
|
|
|
inline bool QWidget::isUpdatesEnabled() const
|
|
{ return !testWState(WState_BlockUpdates); }
|
|
|
|
inline void QWidget::update( const QRect &r )
|
|
{ update( r.x(), r.y(), r.width(), r.height() ); }
|
|
|
|
inline void QWidget::repaint()
|
|
{ repaint( TRUE ); }
|
|
|
|
inline void QWidget::repaint( const QRect &r, bool erase )
|
|
{ repaint( r.x(), r.y(), r.width(), r.height(), erase ); }
|
|
|
|
inline void QWidget::erase()
|
|
{ erase( 0, 0, crect.width(), crect.height() ); }
|
|
|
|
inline void QWidget::erase( const QRect &r )
|
|
{ erase( r.x(), r.y(), r.width(), r.height() ); }
|
|
|
|
inline bool QWidget::close()
|
|
{ return close( FALSE ); }
|
|
|
|
inline bool QWidget::isVisible() const
|
|
{ return testWState(WState_Visible); }
|
|
|
|
inline bool QWidget::isVisibleToTLW() const // obsolete
|
|
{ return isVisible(); }
|
|
|
|
inline bool QWidget::isHidden() const
|
|
{ return testWState(WState_ForceHide); }
|
|
|
|
inline bool QWidget::isShown() const
|
|
{ return !testWState(WState_ForceHide); }
|
|
|
|
inline void QWidget::move( const QPoint &p )
|
|
{ move( p.x(), p.y() ); }
|
|
|
|
inline void QWidget::resize( const QSize &s )
|
|
{ resize( s.width(), s.height()); }
|
|
|
|
inline void QWidget::setGeometry( const QRect &r )
|
|
{ setGeometry( r.left(), r.top(), r.width(), r.height() ); }
|
|
|
|
inline void QWidget::drawText( const QPoint &p, const QString &s )
|
|
{ drawText( p.x(), p.y(), s ); }
|
|
|
|
inline QWidget *QWidget::parentWidget( bool sameWindow ) const
|
|
{
|
|
if ( sameWindow )
|
|
return isTopLevel() ? 0 : (QWidget *)QObject::parent();
|
|
return (QWidget *)QObject::parent();
|
|
}
|
|
|
|
inline QWidgetMapper *QWidget::wmapper()
|
|
{ return mapper; }
|
|
|
|
inline uint QWidget::getWState() const
|
|
{ return widget_state; }
|
|
|
|
inline void QWidget::setWState( uint f )
|
|
{ widget_state |= f; }
|
|
|
|
inline void QWidget::clearWState( uint f )
|
|
{ widget_state &= ~f; }
|
|
|
|
inline Qt::WFlags QWidget::getWFlags() const
|
|
{ return widget_flags; }
|
|
|
|
inline void QWidget::setWFlags( WFlags f )
|
|
{ widget_flags |= f; }
|
|
|
|
inline void QWidget::clearWFlags( WFlags f )
|
|
{ widget_flags &= ~f; }
|
|
|
|
inline void QWidget::constPolish() const
|
|
{
|
|
if ( !testWState(WState_Polished) ) {
|
|
QWidget* that = (QWidget*) this;
|
|
that->polish();
|
|
that->setWState(WState_Polished); // be on the safe side...
|
|
}
|
|
}
|
|
#ifndef QT_NO_CURSOR
|
|
inline bool QWidget::ownCursor() const
|
|
{
|
|
return testWState( WState_OwnCursor );
|
|
}
|
|
#endif
|
|
inline bool QWidget::ownFont() const
|
|
{
|
|
return own_font;
|
|
}
|
|
#ifndef QT_NO_PALETTE
|
|
inline bool QWidget::ownPalette() const
|
|
{
|
|
return own_palette;
|
|
}
|
|
#endif
|
|
|
|
inline void QWidget::setSizePolicy( QSizePolicy::SizeType hor, QSizePolicy::SizeType ver, bool hfw )
|
|
{
|
|
setSizePolicy( QSizePolicy( hor, ver, hfw) );
|
|
}
|
|
|
|
inline bool QWidget::isInputMethodEnabled() const
|
|
{
|
|
return (bool)im_enabled;
|
|
}
|
|
|
|
// Extra QWidget data
|
|
// - to minimize memory usage for members that are seldom used.
|
|
// - top-level widgets have extra extra data to reduce cost further
|
|
|
|
class QFocusData;
|
|
class QWSManager;
|
|
#if defined(Q_WS_WIN)
|
|
class QOleDropTarget;
|
|
#endif
|
|
#if defined(Q_WS_MAC)
|
|
class QMacDndExtra;
|
|
#endif
|
|
|
|
struct Q_EXPORT QTLWExtra {
|
|
#ifndef QT_NO_WIDGET_TOPEXTRA
|
|
QString caption; // widget caption
|
|
QString iconText; // widget icon text
|
|
QPixmap *icon; // widget icon
|
|
#endif
|
|
QFocusData *focusData; // focus data (for TLW)
|
|
short incw, inch; // size increments
|
|
// frame strut
|
|
ulong fleft, fright, ftop, fbottom;
|
|
uint unused : 8; // not used at this point...
|
|
#if defined( Q_WS_WIN ) || defined( Q_WS_MAC )
|
|
uint opacity : 8; // Stores opacity level on Windows/Mac OS X.
|
|
#endif
|
|
uint savedFlags; // Save widgetflags while showing fullscreen
|
|
short basew, baseh; // base sizes
|
|
#if defined(Q_WS_X11)
|
|
WId parentWinId; // parent window Id (valid after reparenting)
|
|
uint embedded : 1; // window is embedded in another Qt application
|
|
uint spont_unmapped: 1; // window was spontaneously unmapped
|
|
uint reserved: 1; // reserved
|
|
uint dnd : 1; // DND properties installed
|
|
uint uspos : 1; // User defined position
|
|
uint ussize : 1; // User defined size
|
|
void *xic; // XIM Input Context
|
|
#endif
|
|
#if defined(Q_WS_MAC)
|
|
WindowGroupRef group;
|
|
uint is_moved: 1;
|
|
uint resizer : 4;
|
|
#endif
|
|
#if defined(Q_WS_QWS) && !defined ( QT_NO_QWS_MANAGER )
|
|
QRegion decor_allocated_region; // decoration allocated region
|
|
QWSManager *qwsManager;
|
|
#endif
|
|
#if defined(Q_WS_WIN)
|
|
HICON winIcon; // internal Windows icon
|
|
#endif
|
|
QRect normalGeometry; // used by showMin/maximized/FullScreen
|
|
#ifdef Q_WS_WIN
|
|
uint style, exstyle;
|
|
#endif
|
|
};
|
|
|
|
|
|
#define QWIDGETSIZE_MAX 32767
|
|
|
|
// dear user: you can see this struct, but it is internal. do not touch.
|
|
|
|
struct Q_EXPORT QWExtra {
|
|
Q_INT16 minw, minh; // minimum size
|
|
Q_INT16 maxw, maxh; // maximum size
|
|
QPixmap *bg_pix; // background pixmap
|
|
QWidget *focus_proxy;
|
|
#ifndef QT_NO_CURSOR
|
|
QCursor *curs;
|
|
#endif
|
|
QTLWExtra *topextra; // only useful for TLWs
|
|
#if defined(Q_WS_WIN)
|
|
QOleDropTarget *dropTarget; // drop target
|
|
#endif
|
|
#if defined(Q_WS_X11)
|
|
WId xDndProxy; // XDND forwarding to embedded windows
|
|
#endif
|
|
#if defined(Q_WS_MAC)
|
|
QRegion clip_saved, clip_sibs, clip_children;
|
|
QMacDndExtra *macDndExtra;
|
|
QRegion dirty_area;
|
|
uint clip_dirty : 1, clip_serial : 15;
|
|
uint child_dirty : 1, child_serial : 15;
|
|
#ifndef QMAC_NO_QUARTZ
|
|
uint ctx_children_clipped:1;
|
|
#endif // QMAC_NO_QUARTZ
|
|
uint has_dirty_area:1;
|
|
#endif // Q_WS_MAC
|
|
uint bg_origin : 2;
|
|
#if defined(Q_WS_X11)
|
|
uint children_use_dnd : 1;
|
|
uint compress_events : 1;
|
|
#endif
|
|
#if defined(Q_WS_QWS) || defined(Q_WS_MAC)
|
|
QRegion mask; // widget mask
|
|
#endif
|
|
char bg_mode; // background mode
|
|
char bg_mode_visual; // visual background mode
|
|
#ifndef QT_NO_STYLE
|
|
QStyle* style;
|
|
#endif
|
|
QRect micro_focus_hint; // micro focus hint
|
|
QSizePolicy size_policy;
|
|
};
|
|
|
|
#define Q_DEFINED_QWIDGET
|
|
#include "qwinexport.h"
|
|
|
|
#endif // QWIDGET_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>Qt 3.3.8</div>
|
|
</table></div></address></body>
|
|
</html>
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