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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#pragma once
#include "resizehandleitem.h"
#include <snapper.h>
#include "rewritertransaction.h"
#include "formeditorview.h"
#include <QPointer>
namespace QmlDesigner {
class ResizeHandleItem;
class Model;
class ResizeManipulator
{
public:
ResizeManipulator(LayerItem *layerItem, FormEditorView *view);
~ResizeManipulator();
void setHandle(ResizeHandleItem *resizeHandle);
void removeHandle();
void begin(const QPointF& beginPoint);
void update(const QPointF& updatePoint, Snapper::Snapping useSnapping,
Qt::KeyboardModifiers keyMods = Qt::NoModifier);
void end(Snapper::Snapping useSnapping);
void moveBy(double deltaX, double deltaY);
void clear();
bool isActive() const;
protected:
bool isInvalidSize(const QSizeF & size);
void deleteSnapLines();
ResizeHandleItem *resizeHandle();
private:
Snapper m_snapper;
QPointer<FormEditorView> m_view;
QList<QGraphicsItem*> m_graphicsLineList;
ResizeController m_resizeController; // hold the controller so that the handle cant be deleted
QTransform m_beginFromSceneToContentItemTransform;
QTransform m_beginFromContentItemToSceneTransform;
QTransform m_beginFromItemToSceneTransform;
QTransform m_beginToParentTransform;
QRectF m_beginBoundingRect;
QPointF m_beginBottomRightPoint;
double m_beginTopMargin;
double m_beginLeftMargin;
double m_beginRightMargin;
double m_beginBottomMargin;
QPointer<LayerItem> m_layerItem;
ResizeHandleItem *m_resizeHandle;
RewriterTransaction m_rewriterTransaction;
bool m_isActive;
};
} // namespace QmlDesigner
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