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+/****************************************************************************
+**
+** 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial Usage
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** 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.
+**
+** 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
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QGRAPHICSLAYOUTITEM_H
+#define QGRAPHICSLAYOUTITEM_H
+
+#include <QtCore/qscopedpointer.h>
+#include <QtGui/qsizepolicy.h>
+#include <QtGui/qevent.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Gui)
+
+#if !defined(QT_NO_GRAPHICSVIEW) || (QT_EDITION & QT_MODULE_GRAPHICSVIEW) != QT_MODULE_GRAPHICSVIEW
+
+class QGraphicsLayoutItemPrivate;
+class QGraphicsItem;
+class Q_GUI_EXPORT QGraphicsLayoutItem
+{
+public:
+ QGraphicsLayoutItem(QGraphicsLayoutItem *parent = 0, bool isLayout = false);
+ virtual ~QGraphicsLayoutItem();
+
+ void setSizePolicy(const QSizePolicy &policy);
+ void setSizePolicy(QSizePolicy::Policy hPolicy, QSizePolicy::Policy vPolicy, QSizePolicy::ControlType controlType = QSizePolicy::DefaultType);
+ QSizePolicy sizePolicy() const;
+
+ void setMinimumSize(const QSizeF &size);
+ inline void setMinimumSize(qreal w, qreal h);
+ QSizeF minimumSize() const;
+ void setMinimumWidth(qreal width);
+ inline qreal minimumWidth() const;
+ void setMinimumHeight(qreal height);
+ inline qreal minimumHeight() const;
+
+ void setPreferredSize(const QSizeF &size);
+ inline void setPreferredSize(qreal w, qreal h);
+ QSizeF preferredSize() const;
+ void setPreferredWidth(qreal width);
+ inline qreal preferredWidth() const;
+ void setPreferredHeight(qreal height);
+ inline qreal preferredHeight() const;
+
+ void setMaximumSize(const QSizeF &size);
+ inline void setMaximumSize(qreal w, qreal h);
+ QSizeF maximumSize() const;
+ void setMaximumWidth(qreal width);
+ inline qreal maximumWidth() const;
+ void setMaximumHeight(qreal height);
+ inline qreal maximumHeight() const;
+
+ virtual void setGeometry(const QRectF &rect);
+ QRectF geometry() const;
+ virtual void getContentsMargins(qreal *left, qreal *top, qreal *right, qreal *bottom) const;
+ QRectF contentsRect() const;
+
+ QSizeF effectiveSizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;
+
+ virtual void updateGeometry(); //### rename to sizeHintChanged()
+
+ QGraphicsLayoutItem *parentLayoutItem() const;
+ void setParentLayoutItem(QGraphicsLayoutItem *parent);
+
+ bool isLayout() const;
+ // ###Qt5: Make automatic reparenting work regardless of item/object/widget type.
+ QGraphicsItem *graphicsItem() const;
+ bool ownedByLayout() const;
+
+protected:
+ void setGraphicsItem(QGraphicsItem *item);
+ void setOwnedByLayout(bool ownedByLayout);
+ QGraphicsLayoutItem(QGraphicsLayoutItemPrivate &dd);
+
+ virtual QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const = 0;
+ QScopedPointer<QGraphicsLayoutItemPrivate> d_ptr;
+
+private:
+ QSizeF *effectiveSizeHints(const QSizeF &constraint) const;
+ Q_DECLARE_PRIVATE(QGraphicsLayoutItem)
+
+ friend class QGraphicsLayout;
+};
+
+Q_DECLARE_INTERFACE(QGraphicsLayoutItem, "com.trolltech.Qt.QGraphicsLayoutItem")
+
+inline void QGraphicsLayoutItem::setMinimumSize(qreal aw, qreal ah)
+{ setMinimumSize(QSizeF(aw, ah)); }
+inline void QGraphicsLayoutItem::setPreferredSize(qreal aw, qreal ah)
+{ setPreferredSize(QSizeF(aw, ah)); }
+inline void QGraphicsLayoutItem::setMaximumSize(qreal aw, qreal ah)
+{ setMaximumSize(QSizeF(aw, ah)); }
+
+inline qreal QGraphicsLayoutItem::minimumWidth() const
+{ return effectiveSizeHint(Qt::MinimumSize).width(); }
+inline qreal QGraphicsLayoutItem::minimumHeight() const
+{ return effectiveSizeHint(Qt::MinimumSize).height(); }
+
+inline qreal QGraphicsLayoutItem::preferredWidth() const
+{ return effectiveSizeHint(Qt::PreferredSize).width(); }
+inline qreal QGraphicsLayoutItem::preferredHeight() const
+{ return effectiveSizeHint(Qt::PreferredSize).height(); }
+
+inline qreal QGraphicsLayoutItem::maximumWidth() const
+{ return effectiveSizeHint(Qt::MaximumSize).width(); }
+inline qreal QGraphicsLayoutItem::maximumHeight() const
+{ return effectiveSizeHint(Qt::MaximumSize).height(); }
+
+#endif
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif