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****************************************************************************/

#ifndef QMDISUBWINDOW_H

#define QMDISUBWINDOW_H

#include <QtGui/qwidget.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)

#ifndef QT_NO_MDIAREA

class QMenu;

class QMdiArea;

namespace QMdi { class ControlContainer; }

class QMdiSubWindowPrivate;

class Q_GUI_EXPORT QMdiSubWindow : public QWidget

{

    Q_OBJECT

    Q_PROPERTY(int keyboardSingleStep READ keyboardSingleStep WRITE setKeyboardSingleStep)

    Q_PROPERTY(int keyboardPageStep READ keyboardPageStep WRITE setKeyboardPageStep)

public:

    enum SubWindowOption {

        AllowOutsideAreaHorizontally = 0x1, // internal

        AllowOutsideAreaVertically = 0x2, // internal

        RubberBandResize = 0x4,

        RubberBandMove = 0x8

    };

    Q_DECLARE_FLAGS(SubWindowOptions, SubWindowOption)

    QMdiSubWindow(QWidget *parent = 0, Qt::WindowFlags flags = 0);

    ~QMdiSubWindow();

    QSize sizeHint() const;

    QSize minimumSizeHint() const;

    void setWidget(QWidget *widget);

    QWidget *widget() const;

    QWidget *maximizedButtonsWidget() const; // internal

    QWidget *maximizedSystemMenuIconWidget() const; // internal

    bool isShaded() const;

    void setOption(SubWindowOption option, bool on = true);

    bool testOption(SubWindowOption) const;

    void setKeyboardSingleStep(int step);

    int keyboardSingleStep() const;

    void setKeyboardPageStep(int step);

    int keyboardPageStep() const;

#ifndef QT_NO_MENU

    void setSystemMenu(QMenu *systemMenu);

    QMenu *systemMenu() const;

#endif

    QMdiArea *mdiArea() const;

Q_SIGNALS:

    void windowStateChanged(Qt::WindowStates oldState, Qt::WindowStates newState);

    void aboutToActivate();

public Q_SLOTS:

#ifndef QT_NO_MENU

    void showSystemMenu();

#endif

    void showShaded();

protected:

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

    bool event(QEvent *event);

    void showEvent(QShowEvent *showEvent);

    void hideEvent(QHideEvent *hideEvent);

    void changeEvent(QEvent *changeEvent);

    void closeEvent(QCloseEvent *closeEvent);

    void leaveEvent(QEvent *leaveEvent);

    void resizeEvent(QResizeEvent *resizeEvent);

    void timerEvent(QTimerEvent *timerEvent);

    void moveEvent(QMoveEvent *moveEvent);

    void paintEvent(QPaintEvent *paintEvent);

    void mousePressEvent(QMouseEvent *mouseEvent);

    void mouseDoubleClickEvent(QMouseEvent *mouseEvent);

    void mouseReleaseEvent(QMouseEvent *mouseEvent);

    void mouseMoveEvent(QMouseEvent *mouseEvent);

    void keyPressEvent(QKeyEvent *keyEvent);

#ifndef QT_NO_CONTEXTMENU

    void contextMenuEvent(QContextMenuEvent *contextMenuEvent);

#endif

    void focusInEvent(QFocusEvent *focusInEvent);

    void focusOutEvent(QFocusEvent *focusOutEvent);

    void childEvent(QChildEvent *childEvent);

private:

    Q_DISABLE_COPY(QMdiSubWindow)

    Q_DECLARE_PRIVATE(QMdiSubWindow)

    Q_PRIVATE_SLOT(d_func(), void _q_updateStaysOnTopHint())

    Q_PRIVATE_SLOT(d_func(), void _q_enterInteractiveMode())

    Q_PRIVATE_SLOT(d_func(), void _q_processFocusChanged(QWidget *, QWidget *))

    friend class QMdiAreaPrivate;

#ifndef QT_NO_TABBAR

    friend class QMdiAreaTabBar;

#endif

    friend class QMdi::ControlContainer;

};

Q_DECLARE_OPERATORS_FOR_FLAGS(QMdiSubWindow::SubWindowOptions)

QT_END_NAMESPACE

QT_END_HEADER

#endif // QT_NO_MDIAREA

#endif // QMDISUBWINDOW_H