qskinny/src/layouts/QskLayoutConstraint.h

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2017-07-21 18:21:34 +02:00
/******************************************************************************
* QSkinny - Copyright (C) 2016 Uwe Rathmann
* This file may be used under the terms of the QSkinny License, Version 1.0
*****************************************************************************/
#ifndef QSK_LAYOUT_CONSTRAINT_H
#define QSK_LAYOUT_CONSTRAINT_H
#include "QskGlobal.h"
#include <Qt>
#include <limits>
class QskSizePolicy;
class QQuickItem;
class QSizeF;
namespace QskLayoutConstraint
{
QSK_EXPORT bool hasDynamicConstraint( const QQuickItem* );
QSK_EXPORT qreal heightForWidth( const QQuickItem*, qreal width );
QSK_EXPORT qreal widthForHeight( const QQuickItem*, qreal height );
QSK_EXPORT QSizeF effectiveConstraint( const QQuickItem*, Qt::SizeHint );
QSK_EXPORT QskSizePolicy sizePolicy( const QQuickItem* );
// QGridLayoutEngine internally uses FLT_MAX
const qreal unlimited = std::numeric_limits< float >::max();
}
#endif