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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** 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 Technology Preview License Agreement accompanying
** this package.
**
** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#ifndef RESIZECONTROLLER_H
#define RESIZECONTROLLER_H
#include <QWeakPointer>
#include <QSharedPointer>
namespace QmlDesigner {
class FormEditorItem;
class LayerItem;
class ResizeHandleItem;
class ResizeControllerData
{
public:
ResizeControllerData(LayerItem *layerItem,
FormEditorItem *formEditorItem);
ResizeControllerData(const ResizeControllerData &other);
~ResizeControllerData();
QWeakPointer<LayerItem> layerItem;
QWeakPointer<FormEditorItem> formEditorItem;
ResizeHandleItem *topLeftItem;
ResizeHandleItem *topRightItem;
ResizeHandleItem *bottomLeftItem;
ResizeHandleItem *bottomRightItem;
ResizeHandleItem *topItem;
ResizeHandleItem *leftItem;
ResizeHandleItem *rightItem;
ResizeHandleItem *bottomItem;
};
class ResizeController
{
public:
friend class ResizeHandleItem;
ResizeController();
ResizeController(LayerItem *layerItem, FormEditorItem *formEditorItem);
void show();
void hide();
void updatePosition();
bool isValid() const;
FormEditorItem *formEditorItem() const;
bool isTopLeftHandle(const ResizeHandleItem *handle) const;
bool isTopRightHandle(const ResizeHandleItem *handle) const;
bool isBottomLeftHandle(const ResizeHandleItem *handle) const;
bool isBottomRightHandle(const ResizeHandleItem *handle) const;
bool isTopHandle(const ResizeHandleItem *handle) const;
bool isLeftHandle(const ResizeHandleItem *handle) const;
bool isRightHandle(const ResizeHandleItem *handle) const;
bool isBottomHandle(const ResizeHandleItem *handle) const;
private: // functions
ResizeController(const QSharedPointer<ResizeControllerData> &data);
QWeakPointer<ResizeControllerData> weakPointer() const;
private: // variables
QSharedPointer<ResizeControllerData> m_data;
};
}
#endif // RESIZECONTROLLER_H
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