/******************************************************************************** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).** All rights reserved.** Contact: Nokia Corporation (qt-info@nokia.com)**** This file is part of the QtGui module of the Qt Toolkit.**** $QT_BEGIN_LICENSE:LGPL$** No Commercial Usage** This file contains pre-release code and may not be distributed.** You may use this file in accordance with the terms and conditions** contained in the Technology Preview License Agreement accompanying** this package.**** GNU Lesser General Public License Usage** Alternatively, this file may be used under the terms of the GNU Lesser** General Public License version 2.1 as published by the Free Software** Foundation and appearing in the file LICENSE.LGPL included in the** packaging of this file. Please review the following information to** ensure the GNU Lesser General Public License version 2.1 requirements** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.**** In addition, as a special exception, Nokia gives you certain additional** rights. These rights are described in the Nokia Qt LGPL Exception** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.**** If you have questions regarding the use of this file, please contact** Nokia at qt-info@nokia.com.****************** $QT_END_LICENSE$******************************************************************************/#ifndef QMDIAREA_H#define QMDIAREA_H#include <QtGui/qabstractscrollarea.h>#include <QtGui/qtabwidget.h>QT_BEGIN_HEADERQT_BEGIN_NAMESPACEQT_MODULE(Gui)#ifndef QT_NO_MDIAREAclass QMdiSubWindow;class QMdiAreaPrivate;class Q_GUI_EXPORT QMdiArea : public QAbstractScrollArea{ Q_OBJECT Q_ENUMS(ViewMode) Q_PROPERTY(QBrush background READ background WRITE setBackground) Q_PROPERTY(WindowOrder activationOrder READ activationOrder WRITE setActivationOrder) Q_PROPERTY(ViewMode viewMode READ viewMode WRITE setViewMode)#ifndef QT_NO_TABBAR Q_PROPERTY(bool documentMode READ documentMode WRITE setDocumentMode)#endif#ifndef QT_NO_TABWIDGET Q_PROPERTY(QTabWidget::TabShape tabShape READ tabShape WRITE setTabShape) Q_PROPERTY(QTabWidget::TabPosition tabPosition READ tabPosition WRITE setTabPosition)#endif Q_ENUMS(WindowOrder)public: enum AreaOption { DontMaximizeSubWindowOnActivation = 0x1 }; Q_DECLARE_FLAGS(AreaOptions, AreaOption) enum WindowOrder { CreationOrder, StackingOrder, ActivationHistoryOrder }; enum ViewMode { SubWindowView, TabbedView }; QMdiArea(QWidget *parent = 0); ~QMdiArea(); QSize sizeHint() const; QSize minimumSizeHint() const; QMdiSubWindow *currentSubWindow() const; QMdiSubWindow *activeSubWindow() const; QList<QMdiSubWindow *> subWindowList(WindowOrder order = CreationOrder) const; QMdiSubWindow *addSubWindow(QWidget *widget, Qt::WindowFlags flags = 0); void removeSubWindow(QWidget *widget); QBrush background() const; void setBackground(const QBrush &background); WindowOrder activationOrder() const; void setActivationOrder(WindowOrder order); void setOption(AreaOption option, bool on = true); bool testOption(AreaOption opton) const; void setViewMode(ViewMode mode); ViewMode viewMode() const;#ifndef QT_NO_TABBAR bool documentMode() const; void setDocumentMode(bool enabled);#endif#ifndef QT_NO_TABWIDGET void setTabShape(QTabWidget::TabShape shape); QTabWidget::TabShape tabShape() const; void setTabPosition(QTabWidget::TabPosition position); QTabWidget::TabPosition tabPosition() const;#endifQ_SIGNALS: void subWindowActivated(QMdiSubWindow *);public Q_SLOTS: void setActiveSubWindow(QMdiSubWindow *window); void tileSubWindows(); void cascadeSubWindows(); void closeActiveSubWindow(); void closeAllSubWindows(); void activateNextSubWindow(); void activatePreviousSubWindow();protected Q_SLOTS: void setupViewport(QWidget *viewport);protected: bool event(QEvent *event); bool eventFilter(QObject *object, QEvent *event); void paintEvent(QPaintEvent *paintEvent); void childEvent(QChildEvent *childEvent); void resizeEvent(QResizeEvent *resizeEvent); void timerEvent(QTimerEvent *timerEvent); void showEvent(QShowEvent *showEvent); bool viewportEvent(QEvent *event); void scrollContentsBy(int dx, int dy);private: Q_DISABLE_COPY(QMdiArea) Q_DECLARE_PRIVATE(QMdiArea) Q_PRIVATE_SLOT(d_func(), void _q_deactivateAllWindows()) Q_PRIVATE_SLOT(d_func(), void _q_processWindowStateChanged(Qt::WindowStates, Qt::WindowStates)) Q_PRIVATE_SLOT(d_func(), void _q_currentTabChanged(int index))};Q_DECLARE_OPERATORS_FOR_FLAGS(QMdiArea::AreaOptions)QT_END_NAMESPACEQT_END_HEADER#endif // QT_NO_MDIAREA#endif // QMDIAREA_H