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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QGRAPHICSLAYOUT_H
#define QGRAPHICSLAYOUT_H
#include <QtWidgets/qtwidgetsglobal.h>
#include <QtWidgets/qgraphicslayoutitem.h>
QT_REQUIRE_CONFIG(graphicsview);
QT_BEGIN_NAMESPACE
class QGraphicsLayoutPrivate;
class QGraphicsLayoutItem;
class QGraphicsWidget;
class Q_WIDGETS_EXPORT QGraphicsLayout : public QGraphicsLayoutItem
{
public:
QGraphicsLayout(QGraphicsLayoutItem *parent = nullptr);
~QGraphicsLayout();
void setContentsMargins(qreal left, qreal top, qreal right, qreal bottom);
void getContentsMargins(qreal *left, qreal *top, qreal *right, qreal *bottom) const override;
void activate();
bool isActivated() const;
virtual void invalidate();
virtual void updateGeometry() override;
virtual void widgetEvent(QEvent *e);
virtual int count() const = 0;
virtual QGraphicsLayoutItem *itemAt(int i) const = 0;
virtual void removeAt(int index) = 0;
static void setInstantInvalidatePropagation(bool enable);
static bool instantInvalidatePropagation();
protected:
QGraphicsLayout(QGraphicsLayoutPrivate &, QGraphicsLayoutItem *);
void addChildLayoutItem(QGraphicsLayoutItem *layoutItem);
private:
Q_DISABLE_COPY(QGraphicsLayout)
Q_DECLARE_PRIVATE(QGraphicsLayout)
friend class QGraphicsWidget;
};
#ifndef Q_CLANG_QDOC
Q_DECLARE_INTERFACE(QGraphicsLayout, "org.qt-project.Qt.QGraphicsLayout")
#endif
QT_END_NAMESPACE
#endif
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