source: trunk/src/gui/graphicsview/qgraphicswidget.h@ 765

/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation ([email protected])
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** This file is part of the QtGui module of the Qt Toolkit.
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** accordance with the Qt Commercial License Agreement provided with the
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** 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
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** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
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** packaging of this file.  Please review the following information to
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#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 size READ size WRITE resize)
    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)
    Q_PROPERTY(QRectF geometry READ geometry WRITE setGeometry)
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