nodeeditor/src/NodeGraphicsObject.hpp at hahaton · DigitalPulseSoftware/nodeeditor · GitHub

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#pragma once

#include <QtCore/QUuid>

#include <QtWidgets/QGraphicsObject>

#include "Connection.hpp"

#include "NodeGeometry.hpp"

#include "NodeState.hpp"

class QGraphicsProxyWidget;

namespace QtNodes

{

class FlowScene;

class FlowItemEntry;

/// Class reacts on GUI events, mouse clicks and

/// forwards painting operation.

class 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);

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;

private:

void

embedQWidget();

private:

FlowScene & _scene;

Node& _node;

bool _locked;

// either nullptr or owned by parent QGraphicsItem

QGraphicsProxyWidget * _proxyWidget;

};

}

nodeeditor/src/NodeGraphicsObject.hpp at hahaton · DigitalPulseSoftware/nodeeditor · GitHub

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