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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 QABSTRACTLAYOUTSTYLEINFO_P_H
#define QABSTRACTLAYOUTSTYLEINFO_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtGui/private/qtguiglobal_p.h>
#include <QtCore/qnamespace.h>
#include "qlayoutpolicy_p.h"
QT_BEGIN_NAMESPACE
class Q_GUI_EXPORT QAbstractLayoutStyleInfo {
public:
QAbstractLayoutStyleInfo() : m_isWindow(false) {}
virtual ~QAbstractLayoutStyleInfo() {}
virtual qreal combinedLayoutSpacing(QLayoutPolicy::ControlTypes /*controls1*/,
QLayoutPolicy::ControlTypes /*controls2*/, Qt::Orientation /*orientation*/) const {
return -1;
}
virtual qreal perItemSpacing(QLayoutPolicy::ControlType /*control1*/,
QLayoutPolicy::ControlType /*control2*/,
Qt::Orientation /*orientation*/) const {
return -1;
}
virtual qreal spacing(Qt::Orientation orientation) const = 0;
virtual bool hasChangedCore() const { return false; } // ### Remove when usage is gone from subclasses
virtual void invalidate() { }
virtual qreal windowMargin(Qt::Orientation orientation) const = 0;
bool isWindow() const {
return m_isWindow;
}
protected:
unsigned m_isWindow : 1;
mutable unsigned m_hSpacingState: 2;
mutable unsigned m_vSpacingState: 2;
mutable qreal m_spacing[2];
};
QT_END_NAMESPACE
#endif // QABSTRACTLAYOUTSTYLEINFO_P_H
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