src/gui/kernel/qdesktopwidget.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 00:43:10 +0200
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Revision: 201003 Kit: 201005
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/****************************************************************************
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**
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QDESKTOPWIDGET_H
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#define QDESKTOPWIDGET_H
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#include <QtGui/qwidget.h>
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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QT_MODULE(Gui)
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class QApplication;
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class QDesktopWidgetPrivate;
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class Q_GUI_EXPORT QDesktopWidget : public QWidget
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{
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    Q_OBJECT
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    Q_PROPERTY(bool virtualDesktop READ isVirtualDesktop)
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    Q_PROPERTY(int screenCount READ screenCount NOTIFY screenCountChanged)
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    Q_PROPERTY(int primaryScreen READ primaryScreen)
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public:
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    QDesktopWidget();
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    ~QDesktopWidget();
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    bool isVirtualDesktop() const;
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    int numScreens() const;
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    int screenCount() const;
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    int primaryScreen() const;
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    int screenNumber(const QWidget *widget = 0) const;
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    int screenNumber(const QPoint &) const;
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    QWidget *screen(int screen = -1);
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    const QRect screenGeometry(int screen = -1) const;
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    const QRect screenGeometry(const QWidget *widget) const;
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    const QRect screenGeometry(const QPoint &point) const
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    { return screenGeometry(screenNumber(point)); }
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    const QRect availableGeometry(int screen = -1) const;
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    const QRect availableGeometry(const QWidget *widget) const;
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    const QRect availableGeometry(const QPoint &point) const
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    { return availableGeometry(screenNumber(point)); }
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Q_SIGNALS:
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    void resized(int);
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    void workAreaResized(int);
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    void screenCountChanged(int);
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protected:
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    void resizeEvent(QResizeEvent *e);
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private:
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    Q_DISABLE_COPY(QDesktopWidget)
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    Q_DECLARE_PRIVATE(QDesktopWidget)
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    friend class QApplication;
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    friend class QApplicationPrivate;
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};
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inline int QDesktopWidget::screenCount() const
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{ return numScreens(); }
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QT_END_NAMESPACE
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QT_END_HEADER
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#endif // QDESKTOPWIDGET_H