VisionPlus_V3.0/VisionPlus/WindowAppBlockPort.h

#pragma once

#include "WindowAppBlockBase.h"


/// <summary>
/// Port类型的工具功能块图 (Port Block Diagram, PBD)
/// </summary>
class WindowAppBlockPort : public WindowAppBlockBase
{
	Q_OBJECT
	// 添加这一行，否则会出现警告：Warning: qobject_cast to QGraphicsItem will not work!
	Q_INTERFACES(QGraphicsItem)

public:	

	WindowAppBlockPort(TOOL* newPort, POU* Pou, bool bShowOnly = false, QGraphicsObject* parent = nullptr);

	// 添加接口
	void addItemInterfaces();

	// 绑定一个接口
	void bindInterface(_INTERFACE* pNewInf);

	// 设定本Item的自定义类型
	enum {	Type = ITEM_TYPE_PORT	};

	int type() const
	{
		// 针对该 item 启用 qgraphicsitem_cast
		return Type;
	}

protected:

	void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget) override;
	// QVariant itemChange(GraphicsItemChange change, const QVariant& value) override;
	// QRectF boundingRect() const override;

	// 绘制功能块
	void DrawBlock(QPainter* painter);

protected slots:

	//// 显示右键菜单
	//void contextMenuEvent(QGraphicsSceneContextMenuEvent* event) override;

	// 鼠标单击
	// void mousePressEvent(QGraphicsSceneMouseEvent* event)override;
	// 鼠标双击
	void mouseDoubleClickEvent(QGraphicsSceneMouseEvent* event) override;

protected:

	// 根据用户的输入实时更新矩形区域的尺寸
	virtual void updateRect();

	// 各个菜单的响应函数

	// 初始化功能块的右键菜单
	void createContextMenu();

	// 菜单 - Delete
	void onMenuDelete();

	// 2022-3-22 为Port中显示的接口名称做调整（局部变量不加Pou前缀，全局变量加Pou前缀）
	QString genPortInfName(const _INTERFACE* pNewInf);


protected:

	// 本port上绑定的接口显示的文字
	QString			m_strInfTitle;

};