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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QGRAPHICSANCHORLAYOUT_H
#define QGRAPHICSANCHORLAYOUT_H
#include <QtWidgets/qgraphicsitem.h>
#include <QtWidgets/qgraphicslayout.h>
QT_BEGIN_NAMESPACE
#if !defined(QT_NO_GRAPHICSVIEW)
class QGraphicsAnchorPrivate;
class QGraphicsAnchorLayout;
class QGraphicsAnchorLayoutPrivate;
class Q_WIDGETS_EXPORT QGraphicsAnchor : public QObject
{
Q_OBJECT
Q_PROPERTY(qreal spacing READ spacing WRITE setSpacing RESET unsetSpacing)
Q_PROPERTY(QSizePolicy::Policy sizePolicy READ sizePolicy WRITE setSizePolicy)
public:
void setSpacing(qreal spacing);
void unsetSpacing();
qreal spacing() const;
void setSizePolicy(QSizePolicy::Policy policy);
QSizePolicy::Policy sizePolicy() const;
~QGraphicsAnchor();
private:
QGraphicsAnchor(QGraphicsAnchorLayout *parent);
Q_DECLARE_PRIVATE(QGraphicsAnchor)
friend class QGraphicsAnchorLayoutPrivate;
friend struct AnchorData;
};
class Q_WIDGETS_EXPORT QGraphicsAnchorLayout : public QGraphicsLayout
{
public:
QGraphicsAnchorLayout(QGraphicsLayoutItem *parent = Q_NULLPTR);
virtual ~QGraphicsAnchorLayout();
QGraphicsAnchor *addAnchor(QGraphicsLayoutItem *firstItem, Qt::AnchorPoint firstEdge,
QGraphicsLayoutItem *secondItem, Qt::AnchorPoint secondEdge);
QGraphicsAnchor *anchor(QGraphicsLayoutItem *firstItem, Qt::AnchorPoint firstEdge,
QGraphicsLayoutItem *secondItem, Qt::AnchorPoint secondEdge);
void addCornerAnchors(QGraphicsLayoutItem *firstItem, Qt::Corner firstCorner,
QGraphicsLayoutItem *secondItem, Qt::Corner secondCorner);
void addAnchors(QGraphicsLayoutItem *firstItem,
QGraphicsLayoutItem *secondItem,
Qt::Orientations orientations = Qt::Horizontal | Qt::Vertical);
void setHorizontalSpacing(qreal spacing);
void setVerticalSpacing(qreal spacing);
void setSpacing(qreal spacing);
qreal horizontalSpacing() const;
qreal verticalSpacing() const;
void removeAt(int index) Q_DECL_OVERRIDE;
void setGeometry(const QRectF &rect) Q_DECL_OVERRIDE;
int count() const Q_DECL_OVERRIDE;
QGraphicsLayoutItem *itemAt(int index) const Q_DECL_OVERRIDE;
void invalidate() Q_DECL_OVERRIDE;
protected:
QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const Q_DECL_OVERRIDE;
private:
Q_DISABLE_COPY(QGraphicsAnchorLayout)
Q_DECLARE_PRIVATE(QGraphicsAnchorLayout)
friend class QGraphicsAnchor;
};
#endif
QT_END_NAMESPACE
#endif
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