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104 lines
3.7 KiB
C
104 lines
3.7 KiB
C
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/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QGRAPHICSLAYOUTITEM_P_H
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#define QGRAPHICSLAYOUTITEM_P_H
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the Qt API. It exists for the convenience
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// of other Qt classes. This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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//
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#include <QtCore/QSize>
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#include <QtGui/QSizePolicy>
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QT_BEGIN_NAMESPACE
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class QGraphicsLayoutItem;
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class Q_AUTOTEST_EXPORT QGraphicsLayoutItemPrivate
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{
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Q_DECLARE_PUBLIC(QGraphicsLayoutItem)
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public:
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virtual ~QGraphicsLayoutItemPrivate();
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QGraphicsLayoutItemPrivate(QGraphicsLayoutItem *parent, bool isLayout);
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static QGraphicsLayoutItemPrivate *get(QGraphicsLayoutItem *q) { return q->d_func();}
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static const QGraphicsLayoutItemPrivate *get(const QGraphicsLayoutItem *q) { return q->d_func();}
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void init();
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QSizeF *effectiveSizeHints(const QSizeF &constraint) const;
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QGraphicsItem *parentItem() const;
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void ensureUserSizeHints();
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void setSize(Qt::SizeHint which, const QSizeF &size);
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enum SizeComponent { Width, Height };
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void setSizeComponent(Qt::SizeHint which, SizeComponent component, qreal value);
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bool hasHeightForWidth() const;
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bool hasWidthForHeight() const;
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QSizePolicy sizePolicy;
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QGraphicsLayoutItem *parent;
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QSizeF *userSizeHints;
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mutable QSizeF cachedSizeHints[Qt::NSizeHints];
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mutable QSizeF cachedConstraint;
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mutable QSizeF cachedSizeHintsWithConstraints[Qt::NSizeHints];
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mutable quint32 sizeHintCacheDirty : 1;
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mutable quint32 sizeHintWithConstraintCacheDirty : 1;
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quint32 isLayout : 1;
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quint32 ownedByLayout : 1;
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QGraphicsLayoutItem *q_ptr;
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QRectF geom;
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QGraphicsItem *graphicsItem;
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};
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QT_END_NAMESPACE
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#endif //QGRAPHICSLAYOUTITEM_P_H
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