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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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 <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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