/****************************************************************************+
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**+
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** Copyright (C) 2010 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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+
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#ifndef QMDIAREA_H+
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#define QMDIAREA_H+
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+
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#include <QtGui/qabstractscrollarea.h>+
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#include <QtGui/qtabwidget.h>+
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+
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QT_BEGIN_HEADER+
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+
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QT_BEGIN_NAMESPACE+
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+
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QT_MODULE(Gui)+
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+
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#ifndef QT_NO_MDIAREA+
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+
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class QMdiSubWindow;+
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+
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class QMdiAreaPrivate;+
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class Q_GUI_EXPORT QMdiArea : public QAbstractScrollArea+
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{+
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    Q_OBJECT+
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    Q_ENUMS(ViewMode)+
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    Q_PROPERTY(QBrush background READ background WRITE setBackground)+
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    Q_PROPERTY(WindowOrder activationOrder READ activationOrder WRITE setActivationOrder)+
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    Q_PROPERTY(ViewMode viewMode READ viewMode WRITE setViewMode)+
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#ifndef QT_NO_TABBAR+
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    Q_PROPERTY(bool documentMode READ documentMode WRITE setDocumentMode)+
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#endif+
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#ifndef QT_NO_TABWIDGET+
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    Q_PROPERTY(QTabWidget::TabShape tabShape READ tabShape WRITE setTabShape)+
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    Q_PROPERTY(QTabWidget::TabPosition tabPosition READ tabPosition WRITE setTabPosition)+
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#endif+
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    Q_ENUMS(WindowOrder)+
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public:+
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    enum AreaOption {+
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        DontMaximizeSubWindowOnActivation = 0x1+
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    };+
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    Q_DECLARE_FLAGS(AreaOptions, AreaOption)+
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+
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    enum WindowOrder {+
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        CreationOrder,+
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        StackingOrder,+
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        ActivationHistoryOrder+
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    };+
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+
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    enum ViewMode {+
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        SubWindowView,+
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        TabbedView+
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    };+
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+
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    QMdiArea(QWidget *parent = 0);+
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    ~QMdiArea();+
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+
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    QSize sizeHint() const;+
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    QSize minimumSizeHint() const;+
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+
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    QMdiSubWindow *currentSubWindow() const;+
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    QMdiSubWindow *activeSubWindow() const;+
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    QList<QMdiSubWindow *> subWindowList(WindowOrder order = CreationOrder) const;+
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+
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    QMdiSubWindow *addSubWindow(QWidget *widget, Qt::WindowFlags flags = 0);+
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    void removeSubWindow(QWidget *widget);+
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+
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    QBrush background() const;+
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    void setBackground(const QBrush &background);+
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+
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    WindowOrder activationOrder() const;+
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    void setActivationOrder(WindowOrder order);+
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+
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    void setOption(AreaOption option, bool on = true);+
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    bool testOption(AreaOption opton) const;+
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+
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    void setViewMode(ViewMode mode);+
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    ViewMode viewMode() const;+
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+
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#ifndef QT_NO_TABBAR+
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    bool documentMode() const;+
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    void setDocumentMode(bool enabled);+
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#endif+
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#ifndef QT_NO_TABWIDGET+
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    void setTabShape(QTabWidget::TabShape shape);+
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    QTabWidget::TabShape tabShape() const;+
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+
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    void setTabPosition(QTabWidget::TabPosition position);+
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    QTabWidget::TabPosition tabPosition() const;+
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#endif+
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+
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Q_SIGNALS:+
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    void subWindowActivated(QMdiSubWindow *);+
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+
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public Q_SLOTS:+
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    void setActiveSubWindow(QMdiSubWindow *window);+
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    void tileSubWindows();+
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    void cascadeSubWindows();+
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    void closeActiveSubWindow();+
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    void closeAllSubWindows();+
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    void activateNextSubWindow();+
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    void activatePreviousSubWindow();+
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+
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protected Q_SLOTS:+
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    void setupViewport(QWidget *viewport);+
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+
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protected:+
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    bool event(QEvent *event);+
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    bool eventFilter(QObject *object, QEvent *event);+
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    void paintEvent(QPaintEvent *paintEvent);+
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    void childEvent(QChildEvent *childEvent);+
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    void resizeEvent(QResizeEvent *resizeEvent);+
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    void timerEvent(QTimerEvent *timerEvent);+
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    void showEvent(QShowEvent *showEvent);+
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    bool viewportEvent(QEvent *event);+
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    void scrollContentsBy(int dx, int dy);+
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+
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private:+
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    Q_DISABLE_COPY(QMdiArea)+
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    Q_DECLARE_PRIVATE(QMdiArea)+
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    Q_PRIVATE_SLOT(d_func(), void _q_deactivateAllWindows())+
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    Q_PRIVATE_SLOT(d_func(), void _q_processWindowStateChanged(Qt::WindowStates, Qt::WindowStates))+
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    Q_PRIVATE_SLOT(d_func(), void _q_currentTabChanged(int index))+
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};+
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+
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Q_DECLARE_OPERATORS_FOR_FLAGS(QMdiArea::AreaOptions)+
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+
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QT_END_NAMESPACE+
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+
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QT_END_HEADER+
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+
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#endif // QT_NO_MDIAREA+
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#endif // QMDIAREA_H+
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