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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 FORMEDITORSCENE_H
#define FORMEDITORSCENE_H
#include <QGraphicsScene>
#include <QWeakPointer>
#include <QHash>
#include <qmlitemnode.h>
#include "abstractformeditortool.h"
QT_BEGIN_NAMESPACE
class QGraphicsSceneMouseEvent;
QT_END_NAMESPACE
namespace QmlDesigner {
class FormEditorWidget;
class FormEditorItem;
class FormEditorView;
class LayerItem;
class FormEditorScene : public QGraphicsScene
{
Q_OBJECT
friend class QmlDesigner::FormEditorItem;
friend class QmlDesigner::FormEditorView;
public:
FormEditorScene(FormEditorWidget *widget, FormEditorView *editorView);
~FormEditorScene();
FormEditorItem *addFormEditorItem(const QmlItemNode &qmlItemNode);
FormEditorItem* itemForQmlItemNode(const QmlItemNode &qmlItemNode) const;
QList<FormEditorItem*> itemsForQmlItemNodes(const QList<QmlItemNode> &nodeList) const;
QList<FormEditorItem*> allFormEditorItems() const;
void updateAllFormEditorItems();
void setupScene();
void resetScene();
double canvasWidth() const;
double canvasHeight() const;
bool hasItemForQmlItemNode(const QmlItemNode &qmlItemNode) const;
void synchronizeTransformation(const QmlItemNode &qmlItemNode);
void synchronizeParent(const QmlItemNode &qmlItemNode);
void synchronizeOtherProperty(const QmlItemNode &qmlItemNode, const QString &propertyName);
void synchronizeState(const QmlItemNode &qmlItemNode);
FormEditorItem* calulateNewParent(FormEditorItem *widget);
LayerItem* manipulatorLayerItem() const;
LayerItem* formLayerItem() const;
FormEditorView *editorView() const;
FormEditorItem *rootFormEditorItem() const;
void reparentItem(const QmlItemNode &node, const QmlItemNode &newParent);
void clearFormEditorItems();
void highlightBoundingRect(FormEditorItem *formEditorItem);
public slots:
void setShowBoundingRects(bool show);
bool showBoundingRects() const;
protected:
bool event(QEvent *event);
void dropEvent(QGraphicsSceneDragDropEvent * event);
void dragEnterEvent(QGraphicsSceneDragDropEvent * event);
void dragLeaveEvent(QGraphicsSceneDragDropEvent * event);
void dragMoveEvent(QGraphicsSceneDragDropEvent * event);
void mousePressEvent(QGraphicsSceneMouseEvent *event);
void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event);
void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
void hoverMoveEvent(QGraphicsSceneHoverEvent *event);
void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
void keyPressEvent(QKeyEvent *keyEvent);
void keyReleaseEvent(QKeyEvent *keyEvent);
private:
QList<QGraphicsItem *> removeLayerItems(const QList<QGraphicsItem *> &itemList);
AbstractFormEditorTool* currentTool() const;
void removeItemFromHash(FormEditorItem*);
FormEditorView *m_editorView;
AbstractFormEditorTool *m_currentTool;
QHash<QmlItemNode, FormEditorItem*> m_qmlItemNodeItemHash;
QWeakPointer<LayerItem> m_formLayerItem;
QWeakPointer<LayerItem> m_manipulatorLayerItem;
ModelNode m_dragNode;
bool m_showBoundingRects;
};
}
#endif //FORMEDITORSCENE_H
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