objectwidget.h

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/*
    SPDX-License-Identifier: GPL-2.0-or-later
    SPDX-FileCopyrightText: 2002-2021 Umbrello UML Modeller Authors <umbrello-devel@kde.org>
*/
 
#ifndef OBJECTWIDGET_H
#define OBJECTWIDGET_H
 
#include "messagewidgetlist.h"
#include "umlwidget.h"
 
class MessageWidget;
class SeqLineWidget;
class UMLScene;
 
class ObjectWidget : public UMLWidget
{
    Q_OBJECT
public:
    ObjectWidget(UMLScene *scene, UMLObject *o);
    virtual ~ObjectWidget();
 
    virtual void setX(qreal x);
    virtual void setY(qreal y);
 
    qreal centerX();
 
    void setMultipleInstance(bool multiple);
    bool multipleInstance() const;
 
    void setSelected(bool state);
 
    virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
 
    bool activate(IDChangeLog* ChangeLog = 0);
 
    void cleanup();
 
    virtual bool showPropertiesDialog();
 
    void setDrawAsActor(bool drawAsActor);
    bool drawAsActor() const;
 
    void setShowDestruction(bool bShow);
    bool showDestruction() const;
 
    int topMargin();
 
    void setEndLine(int yPosition);
    int getEndLineY();
 
    void messageAdded(MessageWidget* message);
    void messageRemoved(MessageWidget* message);
 
    bool canTabUp();
 
    bool messageOverlap(qreal y, MessageWidget* messageWidget);
 
    virtual void setLineColorCmd(const QColor &color);
 
    SeqLineWidget *sequentialLine() const;
 
    virtual void resizeWidget(qreal newW, qreal newH);
 
    virtual void saveToXMI(QXmlStreamWriter& writer);
    virtual bool loadFromXMI(QDomElement& qElement);
 
public slots:
    void slotMenuSelection(QAction* action);
    virtual void slotFillColorChanged(Uml::ID::Type viewID);
    void slotMessageMoved();
 
protected:
    virtual void mousePressEvent(QGraphicsSceneMouseEvent *me);
    virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *me);
 
    QSizeF minimumSize() const;
 
    virtual void moveEvent(QGraphicsSceneMouseEvent *event);
    virtual void moveWidgetBy(qreal diffX, qreal diffY);
    virtual void constrainMovementForAllWidgets(qreal &diffX, qreal &diffY);
 
    virtual QCursor resizeCursor() const;
 
    void paintActor(QPainter *p);
    void paintObject(QPainter *p);
 
private:
    void tabUp();
    void tabDown();
 
    void moveDestructionBy(qreal diffY);
 
    SeqLineWidget* m_pLine;
    bool m_multipleInstance;   
    bool m_drawAsActor;        
    bool m_showDestruction;    
    bool m_isOnDestructionBox;  
    MessageWidgetList m_messages;   
 
    friend class SeqLineWidget;
};
 
#endif