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#pragma once
#include "Connection.hpp"
#include "Export.hpp"
#include "NodeGeometry.hpp"
#include "NodeState.hpp"
#include <QtCore/QUuid>
#include <QtWidgets/QGraphicsObject>
class QGraphicsProxyWidget;
namespace QtNodes
{
class FlowScene;
class FlowItemEntry;
/// Class reacts on GUI events, mouse clicks and
/// forwards painting operation.
class NODE_EDITOR_PUBLIC NodeGraphicsObject : public QGraphicsObject
{
Q_OBJECT
public:
NodeGraphicsObject(FlowScene &scene, Node &node);
virtual ~NodeGraphicsObject();
Node &node();
Node const &node() const;
QRectF boundingRect() const override;
void setGeometryChanged();
/// Visits all attached connections and corrects
/// their corresponding end points.
void moveConnections() const;
enum
{
Type = UserType + 1
};
int type() const override
{
return Type;
}
void lock(bool locked);
void embedQWidget(bool embed = true);
protected:
void paint(QPainter *painter, QStyleOptionGraphicsItem const *option, QWidget *widget = 0) override;
QVariant itemChange(GraphicsItemChange change, const QVariant &value) override;
void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
void mouseMoveEvent(QGraphicsSceneMouseEvent *event) override;
void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override;
void hoverEnterEvent(QGraphicsSceneHoverEvent *event) override;
void hoverLeaveEvent(QGraphicsSceneHoverEvent *event) override;
void hoverMoveEvent(QGraphicsSceneHoverEvent *) override;
void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) override;
void contextMenuEvent(QGraphicsSceneContextMenuEvent *event) override;
private:
FlowScene &_scene;
Node &_node;
bool _locked;
// either nullptr or owned by parent QGraphicsItem
QGraphicsProxyWidget *_proxyWidget;
};
} // namespace QtNodes
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