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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Designer of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of Qt Designer. This header
// file may change from version to version without notice, or even be removed.
//
// We mean it.
//
#ifndef QDESIGNER_GRID_H
#define QDESIGNER_GRID_H
#include "shared_global_p.h"
#include <QtCore/QVariantMap>
QT_BEGIN_NAMESPACE
class QWidget;
class QPaintEvent;
class QPainter;
namespace qdesigner_internal {
// Designer grid which is able to serialize to QVariantMap
class QDESIGNER_SHARED_EXPORT Grid
{
public:
Grid();
bool fromVariantMap(const QVariantMap& vm);
void addToVariantMap(QVariantMap& vm, bool forceKeys = false) const;
QVariantMap toVariantMap(bool forceKeys = false) const;
inline bool visible() const { return m_visible; }
void setVisible(bool visible) { m_visible = visible; }
inline bool snapX() const { return m_snapX; }
void setSnapX(bool snap) { m_snapX = snap; }
inline bool snapY() const { return m_snapY; }
void setSnapY(bool snap) { m_snapY = snap; }
inline int deltaX() const { return m_deltaX; }
void setDeltaX(int dx) { m_deltaX = dx; }
inline int deltaY() const { return m_deltaY; }
void setDeltaY(int dy) { m_deltaY = dy; }
void paint(QWidget *widget, QPaintEvent *e) const;
void paint(QPainter &p, const QWidget *widget, QPaintEvent *e) const;
QPoint snapPoint(const QPoint &p) const;
int widgetHandleAdjustX(int x) const;
int widgetHandleAdjustY(int y) const;
inline bool operator==(const Grid &rhs) const { return equals(rhs); }
inline bool operator!=(const Grid &rhs) const { return !equals(rhs); }
private:
bool equals(const Grid &rhs) const;
int snapValue(int value, int grid) const;
bool m_visible;
bool m_snapX;
bool m_snapY;
int m_deltaX;
int m_deltaY;
};
} // namespace qdesigner_internal
QT_END_NAMESPACE
#endif // QDESIGNER_GRID_H
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