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+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtWidgets module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia. For licensing terms and
+** conditions see http://qt.digia.com/licensing. For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** 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, Digia gives you certain additional
+** rights. These rights are described in the Digia 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QGRAPHICSGRIDLAYOUTENGINE_P_H
+#define QGRAPHICSGRIDLAYOUTENGINE_P_H
+
+#include <QtGui/private/qgridlayoutengine_p.h>
+
+#include <QtWidgets/qsizepolicy.h>
+#include <QtWidgets/qstyle.h>
+#include <QtWidgets/qstyleoption.h>
+#include "qgraphicslayoutitem.h"
+
+QT_BEGIN_NAMESPACE
+
+class QGraphicsLayoutPrivate;
+
+class QGraphicsGridLayoutEngineItem : public QGridLayoutItem {
+public:
+ QGraphicsGridLayoutEngineItem(QGraphicsLayoutItem *item, int row, int columns, int rowSpan = 1, int columnSpan = 1,
+ Qt::Alignment alignment = 0)
+ : QGridLayoutItem(row, columns, rowSpan, columnSpan, alignment), q_layoutItem(item) {}
+
+ virtual QLayoutPolicy::Policy sizePolicy(Qt::Orientation orientation) const Q_DECL_OVERRIDE
+ {
+ QSizePolicy sizePolicy(q_layoutItem->sizePolicy());
+ return (QLayoutPolicy::Policy)((orientation == Qt::Horizontal) ? sizePolicy.horizontalPolicy()
+ : sizePolicy.verticalPolicy());
+ }
+
+ virtual QLayoutPolicy::ControlTypes controlTypes(LayoutSide) const Q_DECL_OVERRIDE
+ {
+ const QSizePolicy::ControlType ct = q_layoutItem->sizePolicy().controlType();
+ return (QLayoutPolicy::ControlTypes)ct;
+ }
+
+ virtual QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint) const Q_DECL_OVERRIDE
+ {
+ return q_layoutItem->effectiveSizeHint(which, constraint);
+ }
+
+ virtual void setGeometry(const QRectF &rect) Q_DECL_OVERRIDE
+ {
+ q_layoutItem->setGeometry(rect);
+ }
+
+ virtual bool hasDynamicConstraint() const Q_DECL_OVERRIDE;
+ virtual Qt::Orientation dynamicConstraintOrientation() const Q_DECL_OVERRIDE;
+
+ QGraphicsLayoutItem *layoutItem() const { return q_layoutItem; }
+
+protected:
+ QGraphicsLayoutItem *q_layoutItem;
+};
+
+
+class QGraphicsGridLayoutEngine : public QGridLayoutEngine
+{
+public:
+ QGraphicsGridLayoutEngineItem *findLayoutItem(QGraphicsLayoutItem *layoutItem) const
+ {
+ const int index = indexOf(layoutItem);
+ if (index < 0)
+ return 0;
+ return static_cast<QGraphicsGridLayoutEngineItem*>(q_items.at(index));
+ }
+
+ int indexOf(QGraphicsLayoutItem *item) const
+ {
+ for (int i = 0; i < q_items.count(); ++i) {
+ if (item == static_cast<QGraphicsGridLayoutEngineItem*>(q_items.at(i))->layoutItem())
+ return i;
+ }
+ return -1;
+ }
+
+ void setAlignment(QGraphicsLayoutItem *graphicsLayoutItem, Qt::Alignment alignment);
+ Qt::Alignment alignment(QGraphicsLayoutItem *graphicsLayoutItem) const;
+
+ void setStretchFactor(QGraphicsLayoutItem *layoutItem, int stretch, Qt::Orientation orientation);
+ int stretchFactor(QGraphicsLayoutItem *layoutItem, Qt::Orientation orientation) const;
+
+};
+
+QT_END_NAMESPACE
+
+#endif // QGRAPHICSGRIDLAYOUTENGINE_P_H