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

**

** 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.

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** $QT_BEGIN_LICENSE:LGPL$

** 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.

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** $QT_END_LICENSE$

**

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

#ifndef QGRAPHICSWIDGET_H

#define QGRAPHICSWIDGET_H

#include <QtGui/qfont.h>

#include <QtGui/qgraphicslayoutitem.h>

#include <QtGui/qgraphicsitem.h>

#include <QtGui/qpalette.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)

class QFont;

class QFontMetrics;

class QGraphicsLayout;

class QGraphicsSceneMoveEvent;

class QGraphicsWidgetPrivate;

class QGraphicsSceneResizeEvent;

class QStyle;

class QStyleOption;

#if !defined(QT_NO_GRAPHICSVIEW) || (QT_EDITION & QT_MODULE_GRAPHICSVIEW) != QT_MODULE_GRAPHICSVIEW

class QGraphicsWidgetPrivate;

class Q_GUI_EXPORT QGraphicsWidget : public QGraphicsObject, public QGraphicsLayoutItem

{

    Q_OBJECT

    Q_INTERFACES(QGraphicsItem QGraphicsLayoutItem)

    Q_PROPERTY(QPalette palette READ palette WRITE setPalette)

    Q_PROPERTY(QFont font READ font WRITE setFont)

    Q_PROPERTY(Qt::LayoutDirection layoutDirection READ layoutDirection WRITE setLayoutDirection RESET unsetLayoutDirection)

    Q_PROPERTY(QSizeF minimumSize READ minimumSize WRITE setMinimumSize)

    Q_PROPERTY(QSizeF preferredSize READ preferredSize WRITE setPreferredSize)

    Q_PROPERTY(QSizeF maximumSize READ maximumSize WRITE setMaximumSize)

    Q_PROPERTY(QSizePolicy sizePolicy READ sizePolicy WRITE setSizePolicy)

    Q_PROPERTY(Qt::FocusPolicy focusPolicy READ focusPolicy WRITE setFocusPolicy)

    Q_PROPERTY(Qt::WindowFlags windowFlags READ windowFlags WRITE setWindowFlags)

    Q_PROPERTY(QString windowTitle READ windowTitle WRITE setWindowTitle)

public:

    QGraphicsWidget(QGraphicsItem *parent = 0, Qt::WindowFlags wFlags = 0);

    ~QGraphicsWidget();

    QGraphicsLayout *layout() const;

    void setLayout(QGraphicsLayout *layout);

    void adjustSize();

    Qt::LayoutDirection layoutDirection() const;

    void setLayoutDirection(Qt::LayoutDirection direction);

    void unsetLayoutDirection();

    QStyle *style() const;

    void setStyle(QStyle *style);

    QFont font() const;

    void setFont(const QFont &font);

    QPalette palette() const;

    void setPalette(const QPalette &palette);

    void resize(const QSizeF &size);

    inline void resize(qreal w, qreal h) { resize(QSizeF(w, h)); }

    QSizeF size() const;

    void setGeometry(const QRectF &rect);

    inline void setGeometry(qreal x, qreal y, qreal w, qreal h);

    inline QRectF rect() const { return QRectF(QPointF(), size()); }

    void setContentsMargins(qreal left, qreal top, qreal right, qreal bottom);

    void getContentsMargins(qreal *left, qreal *top, qreal *right, qreal *bottom) const;

    void setWindowFrameMargins(qreal left, qreal top, qreal right, qreal bottom);

    void getWindowFrameMargins(qreal *left, qreal *top, qreal *right, qreal *bottom) const;

    void unsetWindowFrameMargins();

    QRectF windowFrameGeometry() const;

    QRectF windowFrameRect() const;

    // Window handling

    Qt::WindowFlags windowFlags() const;

    Qt::WindowType windowType() const;

    void setWindowFlags(Qt::WindowFlags wFlags);

    bool isActiveWindow() const;

    void setWindowTitle(const QString &title);

    QString windowTitle() const;

    // Focus handling

    Qt::FocusPolicy focusPolicy() const;

    void setFocusPolicy(Qt::FocusPolicy policy);

    static void setTabOrder(QGraphicsWidget *first, QGraphicsWidget *second);

    QGraphicsWidget *focusWidget() const;

#ifndef QT_NO_SHORTCUT

    int grabShortcut(const QKeySequence &sequence, Qt::ShortcutContext context = Qt::WindowShortcut);

    void releaseShortcut(int id);

    void setShortcutEnabled(int id, bool enabled = true);

    void setShortcutAutoRepeat(int id, bool enabled = true);

#endif

#ifndef QT_NO_ACTION

    //actions

    void addAction(QAction *action);

    void addActions(QList<QAction*> actions);

    void insertAction(QAction *before, QAction *action);

    void insertActions(QAction *before, QList<QAction*> actions);

    void removeAction(QAction *action);

    QList<QAction*> actions() const;

#endif

    void setAttribute(Qt::WidgetAttribute attribute, bool on = true);

    bool testAttribute(Qt::WidgetAttribute attribute) const;

    enum {

        Type = 11

    };

    int type() const;

    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);

    virtual void paintWindowFrame(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);

    QRectF boundingRect() const;

    QPainterPath shape() const;

#if 0

    void dumpFocusChain();

#endif

    // ### Qt 5: Disambiguate

#ifdef Q_NO_USING_KEYWORD

    const QObjectList &children() const { return QObject::children(); }

#else

    using QObject::children;

#endif

public Q_SLOTS:

    bool close();

protected:

    virtual void initStyleOption(QStyleOption *option) const;

    QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;

    void updateGeometry();

    // Notification

    QVariant itemChange(GraphicsItemChange change, const QVariant &value);

    virtual QVariant propertyChange(const QString &propertyName, const QVariant &value);

    // Scene events

    bool sceneEvent(QEvent *event);

    virtual bool windowFrameEvent(QEvent *e);

    virtual Qt::WindowFrameSection windowFrameSectionAt(const QPointF& pos) const;

    // Base event handlers

    bool event(QEvent *event);

    //virtual void actionEvent(QActionEvent *event);

    virtual void changeEvent(QEvent *event);

    virtual void closeEvent(QCloseEvent *event);

    //void create(WId window = 0, bool initializeWindow = true, bool destroyOldWindow = true);

    //void destroy(bool destroyWindow = true, bool destroySubWindows = true);

    void focusInEvent(QFocusEvent *event);

    virtual bool focusNextPrevChild(bool next);

    void focusOutEvent(QFocusEvent *event);

    virtual void hideEvent(QHideEvent *event);

    //virtual bool macEvent(EventHandlerCallRef caller, EventRef event);

    //virtual int metric(PaintDeviceMetric m ) const;

    virtual void moveEvent(QGraphicsSceneMoveEvent *event);

    virtual void polishEvent();

    //virtual bool qwsEvent(QWSEvent *event);

    //void resetInputContext ();

    virtual void resizeEvent(QGraphicsSceneResizeEvent *event);

    virtual void showEvent(QShowEvent *event);

    //virtual void tabletEvent(QTabletEvent *event);

    //virtual bool winEvent(MSG *message, long *result);

    //virtual bool x11Event(XEvent *event);

    virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *event);

    virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);

    virtual void grabMouseEvent(QEvent *event);

    virtual void ungrabMouseEvent(QEvent *event);

    virtual void grabKeyboardEvent(QEvent *event);

    virtual void ungrabKeyboardEvent(QEvent *event);

    QGraphicsWidget(QGraphicsWidgetPrivate &, QGraphicsItem *parent, QGraphicsScene *, Qt::WindowFlags wFlags = 0);

private:

    Q_DISABLE_COPY(QGraphicsWidget)

    Q_DECLARE_PRIVATE_D(QGraphicsItem::d_ptr.data(), QGraphicsWidget)

    friend class QGraphicsScene;

    friend class QGraphicsScenePrivate;

    friend class QGraphicsView;

    friend class QGraphicsItem;

    friend class QGraphicsItemPrivate;

    friend class QGraphicsLayout;

    friend class QWidget;

    friend class QApplication;

};

inline void QGraphicsWidget::setGeometry(qreal ax, qreal ay, qreal aw, qreal ah)

{ setGeometry(QRectF(ax, ay, aw, ah)); }

#endif

QT_END_NAMESPACE

QT_END_HEADER

#endif