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     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

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     7 ** This file is part of the QtGui module of the Qt Toolkit.

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    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

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    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

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    38 ** $QT_END_LICENSE$

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    40 ****************************************************************************/

    41 

    42 #ifndef QMDIAREA_H

    43 #define QMDIAREA_H

    44 

    45 #include <QtGui/qabstractscrollarea.h>

    46 #include <QtGui/qtabwidget.h>

    47 

    48 QT_BEGIN_HEADER

    49 

    50 QT_BEGIN_NAMESPACE

    51 

    52 QT_MODULE(Gui)

    53 

    54 #ifndef QT_NO_MDIAREA

    55 

    56 class QMdiSubWindow;

    57 

    58 class QMdiAreaPrivate;

    59 class Q_GUI_EXPORT QMdiArea : public QAbstractScrollArea

    60 {

    61     Q_OBJECT

    62     Q_ENUMS(ViewMode)

    63     Q_PROPERTY(QBrush background READ background WRITE setBackground)

    64     Q_PROPERTY(WindowOrder activationOrder READ activationOrder WRITE setActivationOrder)

    65     Q_PROPERTY(ViewMode viewMode READ viewMode WRITE setViewMode)

    66 #ifndef QT_NO_TABBAR

    67     Q_PROPERTY(bool documentMode READ documentMode WRITE setDocumentMode)

    68 #endif

    69 #ifndef QT_NO_TABWIDGET

    70     Q_PROPERTY(QTabWidget::TabShape tabShape READ tabShape WRITE setTabShape)

    71     Q_PROPERTY(QTabWidget::TabPosition tabPosition READ tabPosition WRITE setTabPosition)

    72 #endif

    73     Q_ENUMS(WindowOrder)

    74 public:

    75     enum AreaOption {

    76         DontMaximizeSubWindowOnActivation = 0x1

    77     };

    78     Q_DECLARE_FLAGS(AreaOptions, AreaOption)

    79 

    80     enum WindowOrder {

    81         CreationOrder,

    82         StackingOrder,

    83         ActivationHistoryOrder

    84     };

    85 

    86     enum ViewMode {

    87         SubWindowView,

    88         TabbedView

    89     };

    90 

    91     QMdiArea(QWidget *parent = 0);

    92     ~QMdiArea();

    93 

    94     QSize sizeHint() const;

    95     QSize minimumSizeHint() const;

    96 

    97     QMdiSubWindow *currentSubWindow() const;

    98     QMdiSubWindow *activeSubWindow() const;

    99     QList<QMdiSubWindow *> subWindowList(WindowOrder order = CreationOrder) const;

   100 

   101     QMdiSubWindow *addSubWindow(QWidget *widget, Qt::WindowFlags flags = 0);

   102     void removeSubWindow(QWidget *widget);

   103 

   104     QBrush background() const;

   105     void setBackground(const QBrush &background);

   106 

   107     WindowOrder activationOrder() const;

   108     void setActivationOrder(WindowOrder order);

   109 

   110     void setOption(AreaOption option, bool on = true);

   111     bool testOption(AreaOption opton) const;

   112 

   113     void setViewMode(ViewMode mode);

   114     ViewMode viewMode() const;

   115 

   116 #ifndef QT_NO_TABBAR

   117     bool documentMode() const;

   118     void setDocumentMode(bool enabled);

   119 #endif

   120 #ifndef QT_NO_TABWIDGET

   121     void setTabShape(QTabWidget::TabShape shape);

   122     QTabWidget::TabShape tabShape() const;

   123 

   124     void setTabPosition(QTabWidget::TabPosition position);

   125     QTabWidget::TabPosition tabPosition() const;

   126 #endif

   127 

   128 Q_SIGNALS:

   129     void subWindowActivated(QMdiSubWindow *);

   130 

   131 public Q_SLOTS:

   132     void setActiveSubWindow(QMdiSubWindow *window);

   133     void tileSubWindows();

   134     void cascadeSubWindows();

   135     void closeActiveSubWindow();

   136     void closeAllSubWindows();

   137     void activateNextSubWindow();

   138     void activatePreviousSubWindow();

   139 

   140 protected Q_SLOTS:

   141     void setupViewport(QWidget *viewport);

   142 

   143 protected:

   144     bool event(QEvent *event);

   145     bool eventFilter(QObject *object, QEvent *event);

   146     void paintEvent(QPaintEvent *paintEvent);

   147     void childEvent(QChildEvent *childEvent);

   148     void resizeEvent(QResizeEvent *resizeEvent);

   149     void timerEvent(QTimerEvent *timerEvent);

   150     void showEvent(QShowEvent *showEvent);

   151     bool viewportEvent(QEvent *event);

   152     void scrollContentsBy(int dx, int dy);

   153 

   154 private:

   155     Q_DISABLE_COPY(QMdiArea)

   156     Q_DECLARE_PRIVATE(QMdiArea)

   157     Q_PRIVATE_SLOT(d_func(), void _q_deactivateAllWindows())

   158     Q_PRIVATE_SLOT(d_func(), void _q_processWindowStateChanged(Qt::WindowStates, Qt::WindowStates))

   159     Q_PRIVATE_SLOT(d_func(), void _q_currentTabChanged(int index))

   160 };

   161 

   162 Q_DECLARE_OPERATORS_FOR_FLAGS(QMdiArea::AreaOptions)

   163 

   164 QT_END_NAMESPACE

   165 

   166 QT_END_HEADER

   167 

   168 #endif // QT_NO_MDIAREA

   169 #endif // QMDIAREA_H