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   3.3.8   edited Jan 11 14:38 $
    **
    ** Definition of QDesktopWidget class.
    **
    ** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
    **
    ** This file is part of the kernel module of the Qt 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 Qt Foundation.
    **
    ** Please review the following information to ensure GNU General
    ** Public Licensing requirements 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.QPL
    ** included in the packaging of this file.  Licensees holding valid Qt
    ** Commercial 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 WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
    ** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
    ** herein.
    **
    **********************************************************************/

    #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