qdesktopwidget.h Include File

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# qdesktopwidget.h

This is the verbatim text of the qdesktopwidget.h include file. It is provided only for illustration; the copyright remains with Trolltech.

    /****************************************************************************
    ** $Id: qt/qdesktopwidget.h   3.3.2   edited Dec 2 15:10 $
    **
    ** Definition of QDesktopWidget class.
    **
    ** Copyright (C) 1992-2001 Trolltech AS.  All rights reserved.
    **
    ** This file is part of the kernel 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 for Unix/X11 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
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    **
    **********************************************************************/

    #ifndef QDESKTOPWIDGET_H
    #define QDESKTOPWIDGET_H

    #ifndef QT_H
    #include "qwidget.h"
    #endif // QT_H

    class QApplication;
    class QDesktopWidgetPrivate; /* Don't touch! */

    class Q_EXPORT QDesktopWidget : public QWidget
    {
        Q_OBJECT
    public:
        QDesktopWidget();
        ~QDesktopWidget();

        bool isVirtualDesktop() const;

        int numScreens() const;
        int primaryScreen() const;

        int screenNumber( QWidget *widget = 0 ) const; // ### 4.0: const QWidget*
        int screenNumber( const QPoint & ) const;

        QWidget *screen( int screen = -1 );

        const QRect& screenGeometry( int screen = -1 ) const;
        const QRect& screenGeometry( QWidget *widget ) const
        { return screenGeometry( screenNumber( widget ) ); }
        const QRect& screenGeometry( const QPoint &point ) const
        { return screenGeometry( screenNumber( point ) ); }

        const QRect& availableGeometry( int screen = -1 ) const;
        const QRect& availableGeometry( QWidget *widget ) const
        { return availableGeometry( screenNumber( widget ) ); }
        const QRect& availableGeometry( const QPoint &point ) const
        { return availableGeometry( screenNumber( point ) ); }

        void insertChild( QObject * );

    signals:
        void resized( int );
        void workAreaResized( int );

    protected:
        void resizeEvent( QResizeEvent *e );

    private:
        QDesktopWidgetPrivate *d;

    #if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
        QDesktopWidget( const QDesktopWidget & );
        QDesktopWidget &operator=( const QDesktopWidget & );
    #endif

        friend class QApplication;
    #ifdef Q_WS_QWS
        friend class QWSDisplay;
    #endif
    };

    #endif //QDESKTOPWIDGET_H