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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** 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 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, 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.
**
****************************************************************************/
#ifndef QmlAnchors_H
#define QmlAnchors_H
#include <corelib_global.h>
#include <qmlitemnode.h>
namespace QmlDesigner {
class CORESHARED_EXPORT AnchorLine
{
public:
enum Type {
Invalid = 0x0,
NoAnchor = Invalid,
Left = 0x01,
Right = 0x02,
Top = 0x04,
Bottom = 0x08,
HorizontalCenter = 0x10,
VerticalCenter = 0x20,
Baseline = 0x40,
Fill = Left | Right | Top | Bottom,
Center = VerticalCenter | HorizontalCenter,
HorizontalMask = Left | Right | HorizontalCenter,
VerticalMask = Top | Bottom | VerticalCenter | Baseline,
AllMask = VerticalMask | HorizontalMask
};
AnchorLine() : m_qmlItemNode(QmlItemNode()), m_type(Invalid) {}
AnchorLine(const QmlItemNode &fxItemNode, Type type) : m_qmlItemNode(fxItemNode), m_type(type) {}
Type type() const { return m_type; }
bool isValid() const { return m_type != Invalid && m_qmlItemNode.isValid(); }
static bool isHorizontalAnchorLine(Type anchorline);
static bool isVerticalAnchorLine(Type anchorline);
QmlItemNode qmlItemNode() const;
private:
QmlItemNode m_qmlItemNode;
Type m_type;
};
class CORESHARED_EXPORT QmlAnchors
{
public:
QmlAnchors(const QmlItemNode &fxItemNode);
bool isValid() const;
void setAnchor(AnchorLine::Type sourceAnchorLineType,
const QmlItemNode &targetModelNode,
AnchorLine::Type targetAnchorLineType);
bool canAnchor(const QmlItemNode &targetModelNode) const;
AnchorLine::Type possibleAnchorLines(AnchorLine::Type sourceAnchorLineType,
const QmlItemNode &targetModelNode) const;
AnchorLine instanceAnchor(AnchorLine::Type sourceAnchorLineType) const;
void removeAnchor(AnchorLine::Type sourceAnchorLineType);
void removeAnchors();
bool instanceHasAnchor(AnchorLine::Type sourceAnchorLineType) const;
bool instanceHasAnchors() const;
void setMargin(AnchorLine::Type sourceAnchorLineType, double margin) const;
bool instanceHasMargin(AnchorLine::Type sourceAnchorLineType) const;
double instanceMargin(AnchorLine::Type sourceAnchorLineType) const;
void removeMargin(AnchorLine::Type sourceAnchorLineType);
void removeMargins();
void fill();
void centerIn();
protected:
QmlItemNode qmlItemNode() const;
void beautify();
private:
QmlItemNode m_qmlItemNode;
};
} //QmlDesigner
#endif // QmlAnchors_H
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