实现图元基础连线功能

CMakeLists.txt

@@ -48,6 +48,7 @@ set(H_HEADER_FILES
     include/operationCommand.h
     include/toolPage.h
     include/toolBox.h
+    include/statusBar.h
 
     include/util/baseSelector.h
     include/util/creatingSelector.h
@@ -58,7 +59,10 @@ set(H_HEADER_FILES
     include/util/connectingSelector.h
     include/util/selectorManager.h
 
+    include/graphicsDataModel/fixedPortsModel.h
+
     include/graphicsItem/itemControlHandle.h
+    include/graphicsItem/itemPort.h
     include/graphicsItem/graphicsBaseItem.h
     include/graphicsItem/graphicsRectItem.h
     include/graphicsItem/graphicsPolygonItem.h
@@ -67,6 +71,8 @@ set(H_HEADER_FILES
     include/graphicsItem/electricSvgItemBus.h
     include/graphicsItem/electricSvgItemRect.h
     include/graphicsItem/electricSvgItemTriangle.h
+    include/graphicsItem/electricConnectLineItem.h
+
     include/abstractGraphModel.h
     include/connectionIdUtils.h
     include/serializable.h
@@ -108,6 +114,7 @@ set(CPP_SOURCE_FILES
     source/operationCommand.cpp
     source/toolPage.cpp
     source/toolBox.cpp
+    source/statusBar.cpp
 
     source/util/baseSelector.cpp
     source/util/creatingSelector.cpp
@@ -118,7 +125,10 @@ set(CPP_SOURCE_FILES
     source/util/connectingSelector.cpp
     source/util/selectorManager.cpp
 
+    source/graphicsDataModel/fixedPortsModel.cpp
+
     source/graphicsItem/itemControlHandle.cpp
+    source/graphicsItem/itemPort.cpp
     source/graphicsItem/graphicsBaseItem.cpp
     source/graphicsItem/graphicsRectItem.cpp
     source/graphicsItem/graphicsPolygonItem.cpp
@@ -127,6 +137,8 @@ set(CPP_SOURCE_FILES
     source/graphicsItem/electricSvgItemBus.cpp
     source/graphicsItem/electricSvgItemRect.cpp
     source/graphicsItem/electricSvgItemTriangle.cpp
+    source/graphicsItem/electricConnectLineItem.cpp
+
     source/abstractGraphModel.cpp
     source/dataFlowGraphModel.cpp
     source/nodeDelegateModel.cpp
@@ -164,6 +176,8 @@ if(${QT_VERSION_MAJOR} GREATER_EQUAL 6)
         ${CPP_SOURCE_FILES}
         ${UI_FILES}
         resource/DiagramDesigner.qrc
+        include/graphicsDataModel/fixedPortsModel.h
+        source/graphicsDataModel/fixedPortsModel.cpp
     )
 else()
     if(ANDROID)

include/designerView.h

@@ -30,11 +30,13 @@ private:
     bool zoomLimit(double&);
     double getScaleFactor();
     void translate(const QPointF&);
-
+signals:
+    void onScaleChanged(double d);
 private:
     bool    m_bMousePress;
     double  m_dScale;
     QPointF m_ptLatstMouse_view; //鼠标最后按下在view中的位置
+    int     m_nLevel;
 };
 
 #endif

include/drawingPanel.h

@@ -13,8 +13,7 @@ class DesignerView;
 class DesignerScene;
 class SelectorManager;
 class GraphicsItemGroup;
-//class NodeDelegateModelRegistry;
+class StatusBar;
-
 
 class DrawingPanel : public QWidget
 {
@@ -45,7 +44,7 @@ private:
     DesignerView*     m_pGraphicsView;
     DesignerScene*    m_pGraphicsScene;
     SelectorManager*  m_pSelectorManager;
-
+    StatusBar*        m_pStatusBar;
 };
 
 #endif

include/global.h

@@ -21,7 +21,8 @@ enum GraphicsItemType
     //======================================
     GIT_bus = QGraphicsItem::UserType + 50,
     GIT_itemRect = QGraphicsItem::UserType + 51,
-    GIT_itemTri = QGraphicsItem::UserType + 52
+    GIT_itemTri = QGraphicsItem::UserType + 52,
+    GIT_connectLine = QGraphicsItem::UserType + 53
 };
 //Q_ENUM_NS(GraphicsItemType)
 
@@ -87,6 +88,12 @@ enum class PortType {
 };
 //Q_ENUM_NS(PortType)
 
+enum PortState
+{
+    P_const = 0,        //固定端口
+    p_movable,          //移动端口
+};
+
 using PortCount = int;
 
 /// ports are consecutively numbered starting from zero.

include/graphicsDataModel/fixedPortsModel.h

@@ -0,0 +1,131 @@
+#pragma once
+
+#include "abstractGraphModel.h"
+#include "connectionIdUtils.h"
+#include "nodeDelegateModelRegistry.h"
+#include "serializable.h"
+#include "styleCollection.h"
+
+#include <QSharedPointer>
+#include <QJsonObject>
+
+
+class FixedPortsModel : public AbstractGraphModel, public Serializable
+{
+    Q_OBJECT
+
+public:
+    struct NodeGeometryData
+    {
+        QSize size;
+        QPointF pos;
+    };
+
+public:
+    FixedPortsModel(QSharedPointer<NodeDelegateModelRegistry> registry);
+
+    QSharedPointer<NodeDelegateModelRegistry> dataModelRegistry() { return _registry; }
+
+public:
+    QSet<NodeId> allNodeIds() const override;
+
+    QSet<ConnectionId> allConnectionIds(NodeId const nodeId) const override;
+
+    QSet<ConnectionId> connections(NodeId nodeId,
+                                   PortType portType,
+                                   PortIndex portIndex) const override;
+
+    bool connectionExists(ConnectionId const connectionId) const override;
+
+    NodeId addNode(QString const nodeType) override;
+
+    bool connectionPossible(ConnectionId const connectionId) const override;
+
+    void addConnection(ConnectionId const connectionId) override;
+
+    bool nodeExists(NodeId const nodeId) const override;
+
+    QVariant nodeData(NodeId nodeId, NodeRole role) const override;
+
+    NodeFlags nodeFlags(NodeId nodeId) const override;
+
+    bool setNodeData(NodeId nodeId, NodeRole role, QVariant value) override;
+
+    QVariant portData(NodeId nodeId,
+                      PortType portType,
+                      PortIndex portIndex,
+                      PortRole role) const override;
+
+    bool setPortData(NodeId nodeId,
+                     PortType portType,
+                     PortIndex portIndex,
+                     QVariant const &value,
+                     PortRole role = PortRole::Data) override;
+
+    bool deleteConnection(ConnectionId const connectionId) override;
+
+    bool deleteNode(NodeId const nodeId) override;
+
+    QJsonObject saveNode(NodeId const) const override;
+
+    QJsonObject save() const override;
+
+    void loadNode(QJsonObject const &nodeJson) override;
+
+    void load(QJsonObject const &json) override;
+
+    /**
+   * Fetches the NodeDelegateModel for the given `nodeId` and tries to cast the
+   * stored pointer to the given type
+   */
+    template<typename NodeDelegateModelType>
+    NodeDelegateModelType *delegateModel(NodeId const nodeId)
+    {
+        auto it = _models.find(nodeId);
+        if (it == _models.end())
+            return nullptr;
+
+        //auto model = dynamic_cast<NodeDelegateModelType *>(it->second.get());
+        auto model = dynamic_cast<NodeDelegateModelType *>(*it);
+
+        return model;
+    }
+
+Q_SIGNALS:
+    void inPortDataWasSet(NodeId const, PortType const, PortIndex const);
+
+private:
+    NodeId newNodeId() override { return _nextNodeId++; }
+
+    void sendConnectionCreation(ConnectionId const connectionId);
+
+    void sendConnectionDeletion(ConnectionId const connectionId);
+
+private Q_SLOTS:
+    /**
+   * Fuction is called in three cases:
+   *
+   * - By underlying NodeDelegateModel when a node has new data to propagate.
+   *   @see DataFlowGraphModel::addNode
+   * - When a new connection is created.
+   *   @see DataFlowGraphModel::addConnection
+   * - When a node restored from JSON an needs to send data downstream.
+   *   @see DataFlowGraphModel::loadNode
+   */
+    void onOutPortDataUpdated(NodeId const nodeId, PortIndex const portIndex);
+
+    /// Function is called after detaching a connection.
+    void propagateEmptyDataTo(NodeId const nodeId, PortIndex const portIndex);
+
+private:
+    QSharedPointer<NodeDelegateModelRegistry> _registry;
+
+    NodeId _nextNodeId;
+
+    QMap<NodeId, QSharedPointer<NodeDelegateModel>> _models;
+
+    QSet<ConnectionId> _connectivity;
+
+    mutable QMap<NodeId, NodeGeometryData> _nodeGeometryData;
+};
+

include/graphicsDataModel/triangleDelegateModel.h

@@ -0,0 +1,54 @@
+#pragma once
+
+#include <QtNodes/NodeDelegateModel>
+
+#include <QtCore/QObject>
+
+#include <iostream>
+
+#include "DecimalData.hpp"
+
+using QtNodes::NodeData;
+using QtNodes::NodeDataType;
+using QtNodes::NodeDelegateModel;
+using QtNodes::PortIndex;
+using QtNodes::PortType;
+
+class QLabel;
+
+/// The model dictates the number of inputs and outputs for the Node.
+/// In this example it has no logic.
+class NumberDisplayDataModel : public NodeDelegateModel
+{
+    Q_OBJECT
+
+public:
+    NumberDisplayDataModel();
+
+    ~NumberDisplayDataModel() = default;
+
+public:
+    QString caption() const override { return QStringLiteral("Result"); }
+
+    bool captionVisible() const override { return false; }
+
+    QString name() const override { return QStringLiteral("Result"); }
+
+public:
+    unsigned int nPorts(PortType portType) const override;
+
+    NodeDataType dataType(PortType portType, PortIndex portIndex) const override;
+
+    std::shared_ptr<NodeData> outData(PortIndex port) override;
+
+    void setInData(std::shared_ptr<NodeData> data, PortIndex portIndex) override;
+
+    QWidget *embeddedWidget() override;
+
+    double number() const;
+
+private:
+    std::shared_ptr<DecimalData> _numberData;
+
+    QLabel *_label;
+};

include/graphicsItem/electricConnectLineItem.h

@@ -0,0 +1,80 @@
+#ifndef ELECTRICCONNECTLINEITEM_H
+#define ELECTRICCONNECTLINEITEM_H
+
+#include <QPainterPath>
+#include "graphicsBaseItem.h"
+
+struct Connection
+{
+    int nSrcNodeId;
+    int nSrcPort;
+    HandleType srcType;
+    int nDestNodeId;
+    int nDestPort;
+    HandleType destType;
+
+    Connection()
+    {
+
+        nSrcNodeId = -1;
+        nSrcPort = -1;
+        srcType = T_none;
+        nDestNodeId = -1;
+        nDestPort = -1;
+        destType = T_none;
+    }
+
+    Connection(int nSNI,int nSP,HandleType sT,int nDNI,int nDP,HandleType dT)
+    {
+        nSrcNodeId = nSNI;
+        nSrcPort = nSP;
+        srcType = sT;
+        nDestNodeId = nDNI;
+        nDestPort = nDP;
+        destType = dT;
+    }
+    bool operator==(Connection& obj)
+    {
+        return ((obj.nSrcNodeId == nSrcNodeId)&&(obj.nSrcPort == nSrcPort)&&(obj.srcType == srcType)&&(obj.nDestNodeId == nDestNodeId)&&(obj.nDestPort == nDestPort)&&(obj.destType == destType));
+    }
+
+    Connection& operator=(Connection& obj)
+    {
+        if(*this == obj)
+            return *this;
+        nSrcNodeId = obj.nSrcNodeId;
+        nSrcPort = obj.nSrcPort;
+        srcType = obj.srcType;
+        nDestNodeId = obj.nDestNodeId;
+        nDestPort = obj.nDestPort;
+        destType = obj.destType;
+        return *this;
+    }
+};
+
+class ElectricConnectLineItem : public GraphicsBaseItem
+{
+public:
+    ElectricConnectLineItem(QGraphicsItem *parent = 0);
+    virtual ~ElectricConnectLineItem();
+
+    void setStartPoint(const QPointF& p){m_pStart = p;}
+    void setEndPoint(const QPointF& p){m_pEnd = p;}
+    QPainterPath getPoints(void) const { return m_points; }
+
+    void calculatePath();
+    bool addConnection();
+
+    void updateConnection(int callerId,QPointF pos);           //外部调用的更新函数,id为调用者id
+    void setConnection(Connection con){m_connectState = con;}
+protected:
+    virtual QPainterPath shape();
+    virtual void paint(QPainter*, const QStyleOptionGraphicsItem*, QWidget*);
+private:
+    Connection      m_connectState;
+    QPainterPath   m_points;
+    QPointF        m_pStart;
+    QPointF        m_pEnd;
+};
+
+#endif

include/graphicsItem/electricSvgItemBus.h

@@ -9,6 +9,8 @@ class ElectricSvgItemBus :public ElectricSvgItem
 public:
     ElectricSvgItemBus(const QRect &rect, QGraphicsItem *parent = 0);
     virtual ~ElectricSvgItemBus();
+
+    void addPort();
 protected:
     virtual void paint(QPainter*, const QStyleOptionGraphicsItem*, QWidget*);
 private:

include/graphicsItem/graphicsBaseItem.h

@@ -2,6 +2,7 @@
 #define GRAPHICSBASEITEM_H
 
 #include "itemControlHandle.h"
+#include "global.h"
 
 #include <QObject>
 #include <QGraphicsItem>
@@ -20,10 +21,10 @@ enum ShapeType
 enum ItemState
 {
     S_normal = 0,
-    S_lineOut,
+    S_prepareConnect,
-    s_lineIn
 };
 
+
 //基类采用模板形式，QGraphicsItem是默认值,也可以是别的类型，比如QGraphicsItemGroup，这样不同的基类继承可以共用一些高层的行为定义
 template <typename BaseType = QGraphicsItem>
 class AbstractShapeType : public BaseType
@@ -38,6 +39,7 @@ public:
         m_dWidth = m_dHeight = 0;
         m_pOperationCopy = nullptr;
         m_dSyncRotationByParent = 0.0;
+        m_touched = false;
     }
 
     virtual ~AbstractShapeType()
@@ -105,9 +107,12 @@ public:
             {
                 QPointF pt = pHandle->mapFromScene(point);
                 if(pHandle->contains(pt))
+                {
+                    if(pHandle->enable())
                         return pHandle->getTag();
                 }
             }
+        }
         return HandleTag::H_none;
     }
 
@@ -165,6 +170,8 @@ public:
         {
             ItemControlHandle* pHandle = m_vecHanle.value(key);
             if(pHandle)
+            {
+                if(pHandle->ifShow())
                 {
                     if(bVisible)
                         pHandle->show();
@@ -173,6 +180,66 @@ public:
                 }
             }
         }
+    }
+    virtual void setHandleVisible(int tag,bool bVisible)
+    {
+        foreach (int key, m_vecHanle.keys())
+        {
+            ItemControlHandle* pHandle = m_vecHanle.value(key);
+            if(pHandle)
+            {
+                if(pHandle->getTag() == tag)
+                {
+                    if(bVisible)
+                        pHandle->show();
+                    else
+                        pHandle->hide();
+                    break;
+                }
+            }
+        }
+    }
+    virtual void setFunctionHandleIfShow(bool bVisible)         //是否参与显示判断
+    {
+        foreach (int key, m_vecHanle.keys())
+        {
+            ItemControlHandle* pHandle = m_vecHanle.value(key);
+            if(pHandle)
+            {
+                if(pHandle->getTag() < H_connect)
+                {
+                    pHandle->setIfShow(bVisible);
+                }
+            }
+        }
+    }
+    virtual void setFunctionHandleEnaable(bool val)
+    {
+        foreach (int key, m_vecHanle.keys())
+        {
+            ItemControlHandle* pHandle = m_vecHanle.value(key);
+            if(pHandle)
+            {
+                if(pHandle->getTag() < H_connect)      //设置port以外端点是否交互
+                    pHandle->setEnable(val);
+            }
+        }
+    }
+    virtual void setHandleEnaable(HandleTag tag,bool val)
+    {
+        foreach (int key, m_vecHanle.keys())
+        {
+            ItemControlHandle* pHandle = m_vecHanle.value(key);
+            if(pHandle)
+            {
+                if(pHandle->getTag() == tag)      //设置端点是否交互
+                {
+                    pHandle->setEnable(val);
+                    break;
+                }
+            }
+        }
+    }
     virtual QPointF getSymmetricPointPos(int nHandle) //获取对称点的坐标位置，缩放的时候需要以对称点为锚点
     {
         QPointF pt;
@@ -221,93 +288,6 @@ public:
     {
         int nMargin = 5;
         const QRectF& boundRect = this->boundingRect();
-        /*for(auto it = m_vecHanle.begin(); it != m_vecHanle.end(); it++)
-        {
-            switch ((*it)->getTag()) {
-            case H_leftTop:
-                (*it)->move(boundRect.x() - nMargin, boundRect.y() - nMargin);
-                break;
-            case H_top:
-                (*it)->move(boundRect.x() + boundRect.width() * 0.5, boundRect.y() - nMargin);
-                break;
-            case H_rightTop:
-                (*it)->move(boundRect.x() + boundRect.width() + nMargin, boundRect.y() - nMargin);
-                break;
-            case H_right:
-                (*it)->move(boundRect.x() + boundRect.width() + nMargin, boundRect.y() + boundRect.height() * 0.5 + nMargin);
-                break;
-            case H_rightBottom:
-                (*it)->move(boundRect.x() + boundRect.width() + nMargin, boundRect.y() + boundRect.height() + nMargin);
-                break;
-            case H_bottom:
-                (*it)->move(boundRect.x() + boundRect.width() * 0.5, boundRect.y() + boundRect.height()+ nMargin);
-                break;
-            case H_leftBottom:
-                (*it)->move(boundRect.x() - nMargin, boundRect.y() + boundRect.height() + nMargin);
-                break;
-            case H_left:
-                (*it)->move(boundRect.x() - nMargin, boundRect.y() + boundRect.height() * 0.5);
-                break;
-            case H_rotate_leftTop:
-            {
-                ItemControlHandle* handle = getHandle(H_leftTop);
-                if(handle)
-                {
-                    int nSize = handle->getSize();
-                    QPointF pt = handle->pos();
-                    (*it)->move(pt.x() - nSize - 1, pt.y() - nSize - 1);
-                }
-                else
-                    (*it)->setVisible(false);
-
-                break;
-            }
-            case H_rotate_rightTop:
-            {
-                ItemControlHandle* handle = getHandle(H_rightTop);
-                if(handle)
-                {
-                    int nSize = handle->getSize();
-                    QPointF pt = handle->pos();
-                    (*it)->move(pt.x() + nSize + 1, pt.y() - nSize - 1);
-                }
-                else
-                    (*it)->setVisible(false);
-
-                break;
-            }
-            case H_rotate_rightBottom:
-            {
-                ItemControlHandle* handle = getHandle(H_rightBottom);
-                if(handle)
-                {
-                    int nSize = handle->getSize();
-                    QPointF pt = handle->pos();
-                    (*it)->move(pt.x() + nSize + 1, pt.y() + nSize + 1);
-                }
-                else
-                    (*it)->setVisible(false);
-
-                break;
-            }
-            case H_rotate_leftBottom:
-            {
-                ItemControlHandle* handle = getHandle(H_leftBottom);
-                if(handle)
-                {
-                    int nSize = handle->getSize();
-                    QPointF pt = handle->pos();
-                    (*it)->move(pt.x() - nSize - 1, pt.y() + nSize + 1);
-                }
-                else
-                    (*it)->setVisible(false);
-
-                break;
-            }
-            default:
-                break;
-            }
-        }*/
 
         foreach (int key, m_vecHanle.keys())
         {
@@ -417,7 +397,7 @@ public:
 
     virtual void syncRotationDataFromParent(const double&) {}
     virtual double getSyncRotationDataFromParent() {return m_dSyncRotationByParent;}
-
+    virtual void setTouched(bool b){m_touched = b;}
 protected:
     ShapeType m_type;
     QPen      m_pen;
@@ -426,6 +406,7 @@ protected:
     double    m_dHeight;
     QRectF    m_boundingRect;
     QRectF    m_boundingRect_selected; //选中矩形框
+    bool      m_touched;               //被触碰状态
 
     double    m_dSyncRotationByParent; //父项(被加入到某一组)的旋转数据，因为加入某一组后，对该组进行旋转，自身的旋转数据不会同步更新
 
@@ -436,6 +417,8 @@ protected:
     QMap<int,ItemControlHandle*> m_vecHanle;
 };
 
+class ItemPort;
+
 typedef AbstractShapeType<QGraphicsItem> AbstractShape;
 
 class GraphicsBaseItem : public QObject, public AbstractShapeType<QGraphicsItem>
@@ -454,18 +437,34 @@ public:
     //多边形、线段等点选创建的对象需要的函数
     virtual void addPoint(const QPointF&) {}
     virtual bool endDrawing() { return true; }
+
+
+    virtual int addPort(PortState typ,QPointF vec);            //新建,返回-1失败
+    virtual void addPort(PortState typ,int ntagId,QPointF vec); //载入  PortState为P_const时，QPointF中为(0~1，0~1)的相对位置;PortState为p_movable时，QPointF为坐标值
+    virtual uint itemId() const {return m_itemId;}
+    virtual void setItemId(uint n){m_itemId = n;}
     virtual void setState(ItemState s){m_state = s;}
     virtual void setBeginConnectPos(QPointF p){m_beginConnectPoint = p;}
     virtual void setEndConnectPos(QPointF p){m_endConnectPoint = p;}
+    virtual void setItemType(GraphicsItemType type){m_Itemtype = type;}
+    virtual GraphicsItemType getItemType() const {return m_Itemtype;}
+    virtual void setLastPort(int n){_lastPort = n;}
+    virtual int getLastPort() const {return _lastPort;}
+    virtual ItemPort* getPortPtr(int) const;
+    virtual QMap<QString,ItemPort*>& getPorts() {return m_mapPort;}
 protected:
     virtual QVariant itemChange(QGraphicsItem::GraphicsItemChange, const QVariant&);
     virtual void contextMenuEvent(QGraphicsSceneContextMenuEvent*);
 
 protected:
-
+    uint                m_itemId;
+    GraphicsItemType    m_Itemtype;
     ItemState           m_state;
+    QMap<QString,ItemPort*>    m_mapPort;                   //单独存放port
     QPointF             m_beginConnectPoint;
     QPointF             m_endConnectPoint;
+    uint                _portId;                                    //port编号
+    int                 _lastPort;                          //最后触碰的port
 };
 
 #endif

include/graphicsItem/itemControlHandle.h

@@ -5,11 +5,13 @@
 
 enum HandleType
 {
+    T_none = 0,
     T_resize, //调整大小
     T_rotate, //旋转
     T_editShape, //编辑形状
     T_lineIn, //入线口
-    T_lineOut //出线口
+    T_lineOut, //出线口
+    T_lineInOut //双端线
 };
 
 enum HandleTag
@@ -31,6 +33,15 @@ enum HandleTag
     H_connect = 50      //连接操作点从50开始，前面预留
 };
 
+enum PortPos
+{
+    P_top = 0,
+    P_down,
+    P_left,
+    P_right
+};
+
+const int HNDLE_SIZE = 8;
 
 class ItemControlHandle : public QObject,public QGraphicsRectItem
 {
@@ -50,15 +61,21 @@ public:
     int getSize();
     void move(double, double);
 
+    void setEnable(bool b){m_enable = b;}
+    bool enable(){return m_enable;}
+
+    void setIfShow(bool b){m_ifShow = b;}
+    bool ifShow(){return m_ifShow;}
 protected:
     virtual void hoverEnterEvent(QGraphicsSceneHoverEvent*) override;
     virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent*) override;
     virtual void paint(QPainter*, const QStyleOptionGraphicsItem*, QWidget*) override;
 
-private:
+protected:
     HandleType   m_type;
     int          m_tag;
-
+    bool         m_enable;
+    bool         m_ifShow;
 };
 
 #endif

include/graphicsItem/itemPort.h

@@ -0,0 +1,31 @@
+#ifndef ITEMPORT_H
+#define ITEMPORT_H
+
+#include "graphicsItem/itemControlHandle.h"
+
+class ElectricConnectLineItem;
+
+class ItemPort : public ItemControlHandle
+{
+    Q_OBJECT
+
+public:
+    ItemPort(QGraphicsItem *parent);
+    virtual ~ItemPort();
+
+public:
+    void setPortPos(PortPos p){_pos = p;}
+    PortPos portPos() const {return _pos;}
+    void setConnect(ElectricConnectLineItem* ptr){_ptr = ptr;}
+    void disConnect(){_ptr = nullptr;}
+    bool connected() const {return _ptr == nullptr?false:true;}
+    ElectricConnectLineItem*  getConnectPtr() const {return _ptr;}
+protected:
+    virtual void paint(QPainter*, const QStyleOptionGraphicsItem*, QWidget*) override;
+
+private:
+    PortPos    _pos;
+    ElectricConnectLineItem*       _ptr;
+};
+
+#endif

include/statusBar.h

@@ -0,0 +1,20 @@
+#ifndef STATUSBAR_H
+#define STATUSBAR_H
+
+#include <QStatusBar>
+
+class QLabel;
+
+class StatusBar : public QStatusBar
+{
+    Q_OBJECT
+
+public:
+    explicit StatusBar(QWidget *parent = nullptr);
+    ~StatusBar();
+public slots:
+    void onScaleLevelChanged(double f);
+private:
+    QLabel *m_pScaleLevel;
+};
+#endif // STATUSBAR_H

include/util/baseSelector.h

@@ -34,6 +34,10 @@ enum OperationMode
     OM_connect, //连接
 };
 
+class GraphicsBaseItem;
+
+using ItemMap = QMap<QString,QMap<QString,GraphicsBaseItem*>>;
+
 class BaseSelector : public QObject
 {
     Q_OBJECT
@@ -53,7 +57,11 @@ public:
     OperationMode getOperationMode() { return ms_opMode; }
 
     void setCursor(DesignerScene*, const QCursor&);
+    void setSceneName(const QString& str) {m_sceneName = str;}
+    QString sceneName() const {return m_sceneName;}
 
+public:
+    static ItemMap   m_graphicsItem;         //存储所有对象 类型 <图名<id,对象>>
 signals:
     void setWorkingSelector(SelectorType);
 
@@ -64,8 +72,10 @@ protected:
     static QPointF         ms_ptMouseLast;
     static double          ms_dAngleMouseDownToItem; //鼠标按下时其位置和item中心点形成的夹角
     static int             ms_nDragHandle; //当前抓取的控制点
+    static uint            _Id;
     SelectorType           m_type;
 
+    QString                m_sceneName;
 private:
     bool                   m_bHoverOnHandel; //鼠标是否悬停在handel
     OperationMode          m_opMode;

include/util/connectingSelector.h

@@ -21,13 +21,18 @@ class ConnectingSelector : public BaseSelector
 public:
     explicit ConnectingSelector(QObject *parent = 0);
     virtual ~ConnectingSelector();
-
+public:
+    bool targetCouldConnect(GraphicsBaseItem* p,QPointF pos);
+    void setTargetHighLight(bool val);      //设置目标高亮
+    void createConnectLline(GraphicsBaseItem* connecting,GraphicsBaseItem* touched,DesignerScene* scene);
 public:
     void mousePressEvent(QGraphicsSceneMouseEvent*, DesignerScene*);
     void mouseMoveEvent(QGraphicsSceneMouseEvent*, DesignerScene*);
     void mouseReleaseEvent(QGraphicsSceneMouseEvent*, DesignerScene*);
 private:
     GraphicsBaseItem*    m_pConnectingItem;
+    GraphicsBaseItem*    m_pTouchedItem;            //连线时接触的对象
+    bool                 m_bReadyConnect;           //准备连接
 };
 
 #endif

include/util/movingSelector.h

@@ -19,6 +19,7 @@ public:
     explicit MovingSelector(QObject *parent = 0);
     virtual ~MovingSelector();
 
+    void updateConnectLine(QList<QGraphicsItem *>);
 public:
     void mousePressEvent(QGraphicsSceneMouseEvent*, DesignerScene*);
     void mouseMoveEvent(QGraphicsSceneMouseEvent*, DesignerScene*);

include/util/selectorManager.h

@@ -27,7 +27,7 @@ public:
     BaseSelector*  getWorkingSelector(); //根据操作方式获取selector
 
     void setDrawGraphicsItem(GraphicsItemType);
-
+    void setName(const QString&);
 public slots:
     void onSignal_setWorkingSelector(SelectorType);
 

source/designerScene.cpp

@@ -30,7 +30,6 @@ DesignerScene::DesignerScene(DataFlowGraphModel &graphModel, QObject *parent)
     m_bGridVisible = true;
     m_pView = nullptr;
     m_pDrawingPanel = dynamic_cast<DrawingPanel*>(parent);
-
     connect(&_graphModel,
             &DataFlowGraphModel::inPortDataWasSet,
             [this](NodeId const nodeId, PortType const, PortIndex const) { onNodeUpdated(nodeId); });

source/designerView.cpp

@@ -10,6 +10,7 @@ DesignerView::DesignerView(QWidget *parent)
     m_bMousePress = false;
     m_dScale = 1.0;
     initialize();
+    m_nLevel = 10;
 }
 DesignerView::~DesignerView()
 {
@@ -80,6 +81,7 @@ void DesignerView::wheelEvent(QWheelEvent* event) //滚轮进行放大缩小
     QPointF mousePos = event->position();
     double angleDeltaY = event->angleDelta().y();
     double zoomFactor = qPow(1.0015, angleDeltaY); //可以实现更平滑的缩放
+
     zoom(mousePos, zoomFactor);
 
     //注意不要调用基类的滚轮函数，否则滚轮事件会映射到滚动条操作
@@ -109,6 +111,12 @@ bool DesignerView::zoomLimit(double& value)
     if(qFabs(value - 1) < 0.01) //缩放因子近似为1
         return true;
 
+    if(value > 1)
+        m_nLevel +=1;
+    else
+        m_nLevel -=1;
+
+    emit onScaleChanged(m_nLevel);
     return false;
 }
 
@@ -130,6 +138,7 @@ void DesignerView::zoom(const QPointF& mousePos, double zoomFactor)
     trans.translate(-targetScenePos.x(), -targetScenePos.y());
     setTransform(trans);
     setTransformationAnchor(lastAnchor);
+    //emit onScaleChanged(m_nLevel);
 }
 
 void DesignerView::zoomIn()

source/drawingPanel.cpp

@@ -4,7 +4,7 @@
 #include "dataFlowGraphModel.h"
 #include "nodeDelegateModelRegistry.h"
 #include "util/selectorManager.h"
-
+#include "statusBar.h"
 
 DrawingPanel::DrawingPanel(QWidget *parent)
     : QWidget(parent)
@@ -26,7 +26,9 @@ DrawingPanel::DrawingPanel(QWidget *parent)
     m_pGraphicsScene->setView(m_pGraphicsView);
     ui->mainLayout->addWidget(m_pGraphicsView);
 
-
+    m_pStatusBar = new StatusBar(this);
+    ui->mainLayout->addWidget(m_pStatusBar);
+    connect(m_pGraphicsView,&DesignerView::onScaleChanged,m_pStatusBar,&StatusBar::onScaleLevelChanged);
 }
 
 DrawingPanel::~DrawingPanel()

source/graphicsDataModel/NumberDisplayDataModel.cpp

@@ -0,0 +1,71 @@
+#include "NumberDisplayDataModel.hpp"
+
+#include <QtWidgets/QLabel>
+
+NumberDisplayDataModel::NumberDisplayDataModel()
+    : _label{nullptr}
+{}
+
+unsigned int NumberDisplayDataModel::nPorts(PortType portType) const
+{
+    unsigned int result = 1;
+
+    switch (portType) {
+    case PortType::In:
+        result = 1;
+        break;
+
+    case PortType::Out:
+        result = 0;
+
+    default:
+        break;
+    }
+
+    return result;
+}
+
+NodeDataType NumberDisplayDataModel::dataType(PortType, PortIndex) const
+{
+    return DecimalData().type();
+}
+
+std::shared_ptr<NodeData> NumberDisplayDataModel::outData(PortIndex)
+{
+    std::shared_ptr<NodeData> ptr;
+    return ptr;
+}
+
+void NumberDisplayDataModel::setInData(std::shared_ptr<NodeData> data, PortIndex portIndex)
+{
+    _numberData = std::dynamic_pointer_cast<DecimalData>(data);
+
+    if (!_label)
+        return;
+
+    if (_numberData) {
+        _label->setText(_numberData->numberAsText());
+    } else {
+        _label->clear();
+    }
+
+    _label->adjustSize();
+}
+
+QWidget *NumberDisplayDataModel::embeddedWidget()
+{
+    if (!_label) {
+        _label = new QLabel();
+        _label->setMargin(3);
+    }
+
+    return _label;
+}
+
+double NumberDisplayDataModel::number() const
+{
+    if (_numberData)
+        return _numberData->number();
+
+    return 0.0;
+}

source/graphicsDataModel/fixedPortsModel.cpp

@@ -0,0 +1,530 @@
+#include "graphicsDataModel/fixedPortsModel.h"
+
+#include <QJsonArray>
+
+
+FixedPortsModel::FixedPortsModel(QSharedPointer<NodeDelegateModelRegistry> registry)
+    : _registry(registry)
+    , _nextNodeId{0}
+{}
+
+QSet<NodeId> FixedPortsModel::allNodeIds() const
+{
+    QSet<NodeId> nodeIds;
+    //for_each(_models.begin(), _models.end(), [&nodeIds](auto const &p) { nodeIds.insert(p.first); });
+
+    for(auto iter = _models.begin();iter != _models.end();++iter)
+    {
+        nodeIds.insert(iter.key());
+    }
+    return nodeIds;
+}
+
+QSet<ConnectionId> FixedPortsModel::allConnectionIds(NodeId const nodeId) const
+{
+    QSet<ConnectionId> result;
+
+    std::copy_if(_connectivity.begin(),
+                 _connectivity.end(),
+                 std::inserter(result, std::end(result)),
+                 [&nodeId](ConnectionId const &cid) {
+                     return cid.inNodeId == nodeId || cid.outNodeId == nodeId;
+                 });
+
+    return result;
+}
+
+QSet<ConnectionId> FixedPortsModel::connections(NodeId nodeId,
+                                                   PortType portType,
+                                                   PortIndex portIndex) const
+{
+    QSet<ConnectionId> result;
+
+    std::copy_if(_connectivity.begin(),
+                 _connectivity.end(),
+                 std::inserter(result, std::end(result)),
+                 [&portType, &portIndex, &nodeId](ConnectionId const &cid) {
+                     return (getNodeId(portType, cid) == nodeId
+                             && getPortIndex(portType, cid) == portIndex);
+                 });
+
+    return result;
+}
+
+bool FixedPortsModel::connectionExists(ConnectionId const connectionId) const
+{
+    return (_connectivity.find(connectionId) != _connectivity.end());
+}
+
+NodeId FixedPortsModel::addNode(QString const nodeType)
+{
+    QSharedPointer<NodeDelegateModel> model = _registry->create(nodeType);
+
+    if (model) {
+        NodeId newId = newNodeId();
+
+        connect(model.get(),
+                &NodeDelegateModel::dataUpdated,
+                [newId, this](PortIndex const portIndex) {
+                    onOutPortDataUpdated(newId, portIndex);
+                });
+
+        connect(model.get(),
+                &NodeDelegateModel::portsAboutToBeDeleted,
+                this,
+                [newId, this](PortType const portType, PortIndex const first, PortIndex const last) {
+                    portsAboutToBeDeleted(newId, portType, first, last);
+                });
+
+        connect(model.get(),
+                &NodeDelegateModel::portsDeleted,
+                this,
+                &FixedPortsModel::portsDeleted);
+
+        connect(model.get(),
+                &NodeDelegateModel::portsAboutToBeInserted,
+                this,
+                [newId, this](PortType const portType, PortIndex const first, PortIndex const last) {
+                    portsAboutToBeInserted(newId, portType, first, last);
+                });
+
+        connect(model.get(),
+                &NodeDelegateModel::portsInserted,
+                this,
+                &FixedPortsModel::portsInserted);
+
+        _models[newId] = model;
+
+        Q_EMIT nodeCreated(newId);
+
+        return newId;
+    }
+
+    return InvalidNodeId;
+}
+
+bool FixedPortsModel::connectionPossible(ConnectionId const connectionId) const
+{
+    auto getDataType = [&](PortType const portType) {
+        return portData(getNodeId(portType, connectionId),
+                        portType,
+                        getPortIndex(portType, connectionId),
+                        PortRole::DataType)
+            .value<NodeDataType>();
+    };
+
+    auto portVacant = [&](PortType const portType) {
+        NodeId const nodeId = getNodeId(portType, connectionId);
+        PortIndex const portIndex = getPortIndex(portType, connectionId);
+        auto const connected = connections(nodeId, portType, portIndex);
+
+        auto policy = portData(nodeId, portType, portIndex, PortRole::ConnectionPolicyRole)
+                          .value<ConnectionPolicy>();
+
+        return connected.empty() || (policy == ConnectionPolicy::Many);
+    };
+
+    return getDataType(PortType::Out).id == getDataType(PortType::In).id
+           && portVacant(PortType::Out) && portVacant(PortType::In);
+}
+
+void FixedPortsModel::addConnection(ConnectionId const connectionId)
+{
+    _connectivity.insert(connectionId);
+
+    sendConnectionCreation(connectionId);
+
+    QVariant const portDataToPropagate = portData(connectionId.outNodeId,
+                                                  PortType::Out,
+                                                  connectionId.outPortIndex,
+                                                  PortRole::Data);
+
+    setPortData(connectionId.inNodeId,
+                PortType::In,
+                connectionId.inPortIndex,
+                portDataToPropagate,
+                PortRole::Data);
+}
+
+void FixedPortsModel::sendConnectionCreation(ConnectionId const connectionId)
+{
+    Q_EMIT connectionCreated(connectionId);
+
+    auto iti = _models.find(connectionId.inNodeId);
+    auto ito = _models.find(connectionId.outNodeId);
+    if (iti != _models.end() && ito != _models.end()) {
+        auto &modeli = *iti;
+        auto &modelo = *ito;
+        modeli->inputConnectionCreated(connectionId);
+        modelo->outputConnectionCreated(connectionId);
+    }
+}
+
+void FixedPortsModel::sendConnectionDeletion(ConnectionId const connectionId)
+{
+    Q_EMIT connectionDeleted(connectionId);
+
+    auto iti = _models.find(connectionId.inNodeId);
+    auto ito = _models.find(connectionId.outNodeId);
+    if (iti != _models.end() && ito != _models.end()) {
+        auto &modeli = *iti;
+        auto &modelo = *ito;
+        modeli->inputConnectionDeleted(connectionId);
+        modelo->outputConnectionDeleted(connectionId);
+    }
+}
+
+bool FixedPortsModel::nodeExists(NodeId const nodeId) const
+{
+    return (_models.find(nodeId) != _models.end());
+}
+
+QVariant FixedPortsModel::nodeData(NodeId nodeId, NodeRole role) const
+{
+    QVariant result;
+
+    auto it = _models.find(nodeId);
+    if (it == _models.end())
+        return result;
+
+    auto &model = *it;
+
+    switch (role) {
+    case NodeRole::Type:
+        result = model->name();
+        break;
+
+    case NodeRole::Position:
+        result = _nodeGeometryData[nodeId].pos;
+        break;
+
+    case NodeRole::Size:
+        result = _nodeGeometryData[nodeId].size;
+        break;
+
+    case NodeRole::CaptionVisible:
+        result = model->captionVisible();
+        break;
+
+    case NodeRole::Caption:
+        result = model->caption();
+        break;
+
+    case NodeRole::Style: {
+        auto style = StyleCollection::nodeStyle();
+        result = style.toJson().toVariantMap();
+    } break;
+
+    case NodeRole::InternalData: {
+        QJsonObject nodeJson;
+
+        nodeJson["internal-data"] = _models[nodeId]->save();
+
+        result = nodeJson.toVariantMap();
+        break;
+    }
+
+    case NodeRole::InPortCount:
+        result = model->nPorts(PortType::In);
+        break;
+
+    case NodeRole::OutPortCount:
+        result = model->nPorts(PortType::Out);
+        break;
+
+    case NodeRole::Widget: {
+        auto w = model->embeddedWidget();
+        result = QVariant::fromValue(w);
+    } break;
+    }
+
+    return result;
+}
+
+NodeFlags FixedPortsModel::nodeFlags(NodeId nodeId) const
+{
+    auto it = _models.find(nodeId);
+
+    if (it != _models.end() && it->data()->resizable())
+        return NodeFlag::Resizable;
+
+    return NodeFlag::NoFlags;
+}
+
+bool FixedPortsModel::setNodeData(NodeId nodeId, NodeRole role, QVariant value)
+{
+    Q_UNUSED(nodeId);
+    Q_UNUSED(role);
+    Q_UNUSED(value);
+
+    bool result = false;
+
+    switch (role) {
+    case NodeRole::Type:
+        break;
+    case NodeRole::Position: {
+        _nodeGeometryData[nodeId].pos = value.value<QPointF>();
+
+        Q_EMIT nodePositionUpdated(nodeId);
+
+        result = true;
+    } break;
+
+    case NodeRole::Size: {
+        _nodeGeometryData[nodeId].size = value.value<QSize>();
+        result = true;
+    } break;
+
+    case NodeRole::CaptionVisible:
+        break;
+
+    case NodeRole::Caption:
+        break;
+
+    case NodeRole::Style:
+        break;
+
+    case NodeRole::InternalData:
+        break;
+
+    case NodeRole::InPortCount:
+        break;
+
+    case NodeRole::OutPortCount:
+        break;
+
+    case NodeRole::Widget:
+        break;
+    }
+
+    return result;
+}
+
+QVariant FixedPortsModel::portData(NodeId nodeId,
+                                      PortType portType,
+                                      PortIndex portIndex,
+                                      PortRole role) const
+{
+    QVariant result;
+
+    auto it = _models.find(nodeId);
+    if (it == _models.end())
+        return result;
+
+    auto &model = *it;
+
+    switch (role) {
+    case PortRole::Data:
+        if (portType == PortType::Out)
+            result = QVariant::fromValue(model->outData(portIndex));
+        break;
+
+    case PortRole::DataType:
+        result = QVariant::fromValue(model->dataType(portType, portIndex));
+        break;
+
+    case PortRole::ConnectionPolicyRole:
+        result = QVariant::fromValue(model->portConnectionPolicy(portType, portIndex));
+        break;
+
+    case PortRole::CaptionVisible:
+        result = model->portCaptionVisible(portType, portIndex);
+        break;
+
+    case PortRole::Caption:
+        result = model->portCaption(portType, portIndex);
+
+        break;
+    }
+
+    return result;
+}
+
+bool FixedPortsModel::setPortData(
+    NodeId nodeId, PortType portType, PortIndex portIndex, QVariant const &value, PortRole role)
+{
+    Q_UNUSED(nodeId);
+
+    QVariant result;
+
+    auto it = _models.find(nodeId);
+    if (it == _models.end())
+        return false;
+
+    auto &model = *it;
+
+    switch (role) {
+    case PortRole::Data:
+        if (portType == PortType::In) {
+            model->setInData(value.value<std::shared_ptr<NodeData>>(), portIndex);
+
+            // Triggers repainting on the scene.
+            Q_EMIT inPortDataWasSet(nodeId, portType, portIndex);
+        }
+        break;
+
+    default:
+        break;
+    }
+
+    return false;
+}
+
+bool FixedPortsModel::deleteConnection(ConnectionId const connectionId)
+{
+    bool disconnected = false;
+
+    auto it = _connectivity.find(connectionId);
+
+    if (it != _connectivity.end()) {
+        disconnected = true;
+
+        _connectivity.erase(it);
+    }
+
+    if (disconnected) {
+        sendConnectionDeletion(connectionId);
+
+        propagateEmptyDataTo(getNodeId(PortType::In, connectionId),
+                             getPortIndex(PortType::In, connectionId));
+    }
+
+    return disconnected;
+}
+
+bool FixedPortsModel::deleteNode(NodeId const nodeId)
+{
+    // Delete connections to this node first.
+    auto connectionIds = allConnectionIds(nodeId);
+    for (auto &cId : connectionIds) {
+        deleteConnection(cId);
+    }
+
+    _nodeGeometryData.take(nodeId);
+    _models.take(nodeId);
+
+    Q_EMIT nodeDeleted(nodeId);
+
+    return true;
+}
+
+QJsonObject FixedPortsModel::saveNode(NodeId const nodeId) const
+{
+    QJsonObject nodeJson;
+
+    nodeJson["id"] = static_cast<qint64>(nodeId);
+
+    nodeJson["internal-data"] = _models[nodeId]->save();
+
+    {
+        QPointF const pos = nodeData(nodeId, NodeRole::Position).value<QPointF>();
+
+        QJsonObject posJson;
+        posJson["x"] = pos.x();
+        posJson["y"] = pos.y();
+        nodeJson["position"] = posJson;
+    }
+
+    return nodeJson;
+}
+
+QJsonObject FixedPortsModel::save() const
+{
+    QJsonObject sceneJson;
+
+    QJsonArray nodesJsonArray;
+    for (auto const nodeId : allNodeIds()) {
+        nodesJsonArray.append(saveNode(nodeId));
+    }
+    sceneJson["nodes"] = nodesJsonArray;
+
+    QJsonArray connJsonArray;
+    for (auto const &cid : _connectivity) {
+        connJsonArray.append(toJson(cid));
+    }
+    sceneJson["connections"] = connJsonArray;
+
+    return sceneJson;
+}
+
+void FixedPortsModel::loadNode(QJsonObject const &nodeJson)
+{
+    // Possibility of the id clash when reading it from json and not generating a
+    // new value.
+    // 1. When restoring a scene from a file.
+    // Conflict is not possible because the scene must be cleared by the time of
+    // loading.
+    // 2. When undoing the deletion command.  Conflict is not possible
+    // because all the new ids were created past the removed nodes.
+    NodeId restoredNodeId = nodeJson["id"].toInt();
+
+    _nextNodeId = std::max(_nextNodeId, restoredNodeId + 1);
+
+    QJsonObject const internalDataJson = nodeJson["internal-data"].toObject();
+
+    QString delegateModelName = internalDataJson["model-name"].toString();
+
+    QSharedPointer<NodeDelegateModel> model = _registry->create(delegateModelName);
+
+    if (model) {
+        connect(model.get(),
+                &NodeDelegateModel::dataUpdated,
+                [restoredNodeId, this](PortIndex const portIndex) {
+                    onOutPortDataUpdated(restoredNodeId, portIndex);
+                });
+
+        _models[restoredNodeId] = std::move(model);
+
+        Q_EMIT nodeCreated(restoredNodeId);
+
+        QJsonObject posJson = nodeJson["position"].toObject();
+        QPointF const pos(posJson["x"].toDouble(), posJson["y"].toDouble());
+
+        setNodeData(restoredNodeId, NodeRole::Position, pos);
+
+        _models[restoredNodeId]->load(internalDataJson);
+    } else {
+        throw std::logic_error(std::string("No registered model with name ")
+                               + delegateModelName.toLocal8Bit().data());
+    }
+}
+
+void FixedPortsModel::load(QJsonObject const &jsonDocument)
+{
+    QJsonArray nodesJsonArray = jsonDocument["nodes"].toArray();
+
+    for (QJsonValueRef nodeJson : nodesJsonArray) {
+        loadNode(nodeJson.toObject());
+    }
+
+    QJsonArray connectionJsonArray = jsonDocument["connections"].toArray();
+
+    for (QJsonValueRef connection : connectionJsonArray) {
+        QJsonObject connJson = connection.toObject();
+
+        ConnectionId connId = fromJson(connJson);
+
+        // Restore the connection
+        addConnection(connId);
+    }
+}
+
+void FixedPortsModel::onOutPortDataUpdated(NodeId const nodeId, PortIndex const portIndex)
+{
+    QSet<ConnectionId> const &connected = connections(nodeId,
+                                                      PortType::Out,
+                                                      portIndex);
+
+    QVariant const portDataToPropagate = portData(nodeId, PortType::Out, portIndex, PortRole::Data);
+
+    for (auto const &cn : connected) {
+        setPortData(cn.inNodeId, PortType::In, cn.inPortIndex, portDataToPropagate, PortRole::Data);
+    }
+}
+
+void FixedPortsModel::propagateEmptyDataTo(NodeId const nodeId, PortIndex const portIndex)
+{
+    QVariant emptyData{};
+
+    setPortData(nodeId, PortType::In, portIndex, emptyData, PortRole::Data);
+}

source/graphicsItem/electricConnectLineItem.cpp

@@ -0,0 +1,57 @@
+#include "graphicsItem/electricConnectLineItem.h"
+#include <QGraphicsScene>
+#include <QPainter>
+
+
+ElectricConnectLineItem::ElectricConnectLineItem(QGraphicsItem *parent)
+    : GraphicsBaseItem(parent)
+{
+    m_pen = QPen(Qt::black);
+    m_brush = QBrush(Qt::NoBrush);
+    setHandleVisible(false);
+    setFunctionHandleIfShow(false);
+    setFunctionHandleEnaable(false);
+}
+
+ElectricConnectLineItem::~ElectricConnectLineItem()
+{
+}
+
+QPainterPath ElectricConnectLineItem::shape()
+{
+    QPainterPath path;
+    path.addPath(m_points);
+    path.closeSubpath(); //将路径闭合
+    return path;
+}
+
+void ElectricConnectLineItem::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
+{
+    painter->setPen(m_pen);
+    painter->setBrush(m_brush);
+
+    painter->drawPath(m_points);
+}
+
+
+void ElectricConnectLineItem::calculatePath()
+{
+    prepareGeometryChange();
+    m_points.clear();
+
+    m_points.moveTo(m_pStart);
+    m_points.lineTo(m_pEnd.x(),m_pStart.y());
+    m_points.lineTo(m_pEnd);
+}
+
+void ElectricConnectLineItem::updateConnection(int callerId,QPointF pos)
+{
+    qDebug()<<pos;
+    if(callerId == m_connectState.nSrcNodeId)
+        setStartPoint(pos);
+    else if(callerId == m_connectState.nDestNodeId)
+        setEndPoint(pos);
+    else
+        qDebug()<<"ConnectLine update err";
+    calculatePath();
+}

source/graphicsItem/electricSvgItem.cpp

@@ -59,11 +59,16 @@ void ElectricSvgItem::paint(QPainter* painter, const QStyleOptionGraphicsItem* o
 
     painter->setPen(m_pen);
     painter->setBrush(m_brush);
-    if(m_state == S_lineOut)
+    if(m_state == S_prepareConnect)
     {
         painter->setPen(QPen(QColor(255,51,153,180)));
         painter->drawLine(m_beginConnectPoint,m_endConnectPoint);
     }
+    if(m_touched)
+    {
+        painter->setPen(QPen(QColor(238,58,140,220)));
+        painter->drawRect(m_boundingRect);
+    }
 
     if (option->state & QStyle::State_Selected) //是选中状态,绘制选中框
     {

source/graphicsItem/electricSvgItemBus.cpp

@@ -8,6 +8,11 @@ ElectricSvgItemBus::ElectricSvgItemBus(const QRect &rect, QGraphicsItem *parent)
     : ElectricSvgItem(rect,parent)
 {
     loadSvg(":/images/element/svg_bus.svg");
+    setHandleVisible(false);
+    setFunctionHandleIfShow(false);
+    setFunctionHandleEnaable(false);
+    setHandleEnaable(H_right,true);
+    setHandleEnaable(H_left,true);
 }
 
 ElectricSvgItemBus::~ElectricSvgItemBus()

source/graphicsItem/electricSvgItemRect.cpp

@@ -1,5 +1,5 @@
 #include "graphicsItem/electricSvgItemRect.h"
-#include "graphicsItem/itemControlHandle.h"
+#include "graphicsItem/itemPort.h"
 
 #include <QPainter>
 #include <QStyleOption>
@@ -8,19 +8,27 @@ ElectricSvgItemRect::ElectricSvgItemRect(const QRect &rect, QGraphicsItem *paren
     : ElectricSvgItem(rect,parent)
 {
     loadSvg(":/images/element/svg_rect.svg");
+    setHandleVisible(false);
+    setFunctionHandleIfShow(false);
+    setFunctionHandleEnaable(false);
 
     //入线口
-    ItemControlHandle* pHandle1 = new ItemControlHandle(this);
+    ItemPort* pHandle1 = new ItemPort(this);
     pHandle1->setType(T_lineIn);
     pHandle1->setTag(H_connect);
+    pHandle1->setPortPos(P_top);
     m_vecHanle.insert(H_connect,pHandle1);
     //出线口
-    ItemControlHandle* pHandle2 = new ItemControlHandle(this);
+    ItemPort* pHandle2 = new ItemPort(this);
     pHandle2->setType(T_lineOut);
     pHandle2->setTag(H_connect+1);
+    pHandle2->setPortPos(P_down);
     m_vecHanle.insert(H_connect+1,pHandle2);
 
     m_dRatioX = 0.5;
+
+    m_mapPort.insert(QString::number(_portId++),pHandle1);
+    m_mapPort.insert(QString::number(_portId++),pHandle2);
 }
 
 ElectricSvgItemRect::~ElectricSvgItemRect()

source/graphicsItem/electricSvgItemTriangle.cpp

@@ -1,5 +1,5 @@
 #include "graphicsItem/electricSvgItemTriangle.h"
-#include "graphicsItem/itemControlHandle.h"
+#include "graphicsItem/itemPort.h"
 
 #include <QPainter>
 #include <QStyleOption>
@@ -8,25 +8,35 @@ ElectricSvgItemTriangle::ElectricSvgItemTriangle(const QRect &rect, QGraphicsIte
     : ElectricSvgItem(rect,parent)
 {
     loadSvg(":/images/element/svg_triangle.svg");
+    setHandleVisible(false);
+    setFunctionHandleIfShow(false);
+    setFunctionHandleEnaable(false);
 
     //入线口
-    ItemControlHandle* pHandle1 = new ItemControlHandle(this);
+    ItemPort* pHandle1 = new ItemPort(this);
-    pHandle1->setType(T_lineIn);
+    pHandle1->setType(T_lineOut);
     pHandle1->setTag(H_connect);
+    pHandle1->setPortPos(P_top);
     m_vecHanle.insert(H_connect,pHandle1);
     //出线口
-    ItemControlHandle* pHandle2 = new ItemControlHandle(this);
+    ItemPort* pHandle2 = new ItemPort(this);
-    pHandle2->setType(T_lineOut);
+    pHandle2->setType(T_lineIn);
     pHandle2->setTag(H_connect+1);
+    pHandle2->setPortPos(P_down);
     m_vecHanle.insert(H_connect+1,pHandle2);
 
-    ItemControlHandle* pHandle3 = new ItemControlHandle(this);
+    ItemPort* pHandle3 = new ItemPort(this);
-    pHandle3->setType(T_lineOut);
+    pHandle3->setType(T_lineIn);
     pHandle3->setTag(H_connect+2);
+    pHandle3->setPortPos(P_down);
     m_vecHanle.insert(H_connect+2,pHandle3);
 
     m_dTopRatioX = 0.5;
     m_dBottomRatioX = 0.333;
+
+    m_mapPort.insert(QString::number(_portId++),pHandle1);
+    m_mapPort.insert(QString::number(_portId++),pHandle2);
+    m_mapPort.insert(QString::number(_portId++),pHandle3);
 }
 
 ElectricSvgItemTriangle::~ElectricSvgItemTriangle()

source/graphicsItem/graphicsBaseItem.cpp

@@ -1,4 +1,5 @@
 #include "graphicsItem/graphicsBaseItem.h"
+#include "graphicsItem/itemPort.h"
 #include <QGraphicsScene>
 
 
@@ -6,6 +7,8 @@ GraphicsBaseItem::GraphicsBaseItem(QGraphicsItem *parent)
     : AbstractShapeType<QGraphicsItem>(parent)
 {
     m_type = T_item;
+    _portId = 1;
+    _lastPort = -1;
     //初始化缩放操作用的handle
     //m_vecHanle.reserve(H_left);
     for(int i = H_leftTop; i <= H_left; i++)
@@ -100,6 +103,7 @@ QVariant GraphicsBaseItem::itemChange(QGraphicsItem::GraphicsItemChange change,
         QGraphicsItemGroup *group = dynamic_cast<QGraphicsItemGroup *>(parentItem());
         if(!group)
             setHandleVisible(value.toBool());
+            //setFunctionHandleVisible(false);
         else //在某一组群中，由组群展示是否选中，自身不做展示
         {
             setSelected(false);
@@ -114,3 +118,48 @@ void GraphicsBaseItem::contextMenuEvent(QGraphicsSceneContextMenuEvent* event)
     Q_UNUSED(event);
 }
 
+int GraphicsBaseItem::addPort(PortState typ,QPointF vec)
+{
+    int ntagId = -1;
+    for(ntagId = H_connect;ntagId < 999;++ntagId)        //添加到未占用位置
+    {
+        if(!m_vecHanle.contains(ntagId))
+            break;
+    }
+    if(typ == p_movable)
+    {
+        ItemPort* pPort = new ItemPort(this);
+        pPort->setType(T_lineInOut);
+        pPort->setTag(ntagId);
+        m_vecHanle.insert(ntagId,pPort);
+        pPort->setPos(vec);
+
+        m_mapPort.insert(QString::number(_portId++),pPort);
+    }
+    return ntagId;
+}
+
+void GraphicsBaseItem::addPort(PortState typ,int ntagId,QPointF vec)
+{
+    if(typ == p_movable)
+    {
+        ItemPort* pPort = new ItemPort(this);
+        pPort->setType(T_lineInOut);
+        pPort->setTag(ntagId);
+        m_vecHanle.insert(ntagId,pPort);
+        pPort->setPos(vec);
+
+        m_mapPort.insert(QString::number(_portId++),pPort);
+    }
+}
+
+ItemPort* GraphicsBaseItem::getPortPtr(int n) const
+{
+    for(auto iter:m_mapPort)
+    {
+        int tag = iter->getTag();
+        if(tag == n)
+            return iter;
+    }
+    return nullptr;
+}

source/graphicsItem/itemControlHandle.cpp

@@ -1,8 +1,6 @@
 #include "graphicsItem/itemControlHandle.h"
 #include <QPainter>
 
-#define HNDLE_SIZE 8
-
 ItemControlHandle::ItemControlHandle(QGraphicsItem *parent)
     : QGraphicsRectItem(-HNDLE_SIZE / 2,
                         -HNDLE_SIZE / 2,
@@ -11,6 +9,8 @@ ItemControlHandle::ItemControlHandle(QGraphicsItem *parent)
 {
     m_type = T_resize;
     m_tag = H_none;
+    m_enable = true;
+    m_ifShow = true;
 }
 
 ItemControlHandle::~ItemControlHandle()

source/graphicsItem/itemPort.cpp

@@ -0,0 +1,77 @@
+#include <QPainter>
+#include "graphicsItem/itemPort.h"
+
+ItemPort::ItemPort(QGraphicsItem *parent)
+    : ItemControlHandle(parent)
+{
+    _pos = P_top;
+    _ptr = nullptr;
+}
+
+ItemPort::~ItemPort()
+{
+}
+
+void ItemPort::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
+{
+    Q_UNUSED(option)
+    Q_UNUSED(widget)
+
+    painter->setPen(Qt::SolidLine);
+    painter->setRenderHint(QPainter::Antialiasing, true);
+
+    QPolygonF Triangle;
+    QRectF rec = rect();
+    qreal left = rec.left();
+    qreal right = rec.right();
+    qreal width = rec.width();
+    qreal height = rec.height();
+    qreal bottom = rec.bottom();
+    painter->setBrush(Qt::black);
+    if((_pos == P_top && m_type == T_lineIn) || (_pos == P_down && m_type == T_lineOut) )       //从上入或者从下出都是向下
+    {
+        Triangle.append(QPointF(left,0));
+        Triangle.append(QPointF(right,0));
+        Triangle.append(QPointF(left+width*0.5,bottom));
+        painter->drawPolygon(Triangle);
+    }
+    else if((_pos == P_top && m_type == T_lineOut) || (_pos == P_down && m_type == T_lineIn) )       //从上出或者从下入都是向上
+    {
+        Triangle.append(QPointF(left,bottom));
+        Triangle.append(QPointF(right,bottom));
+        Triangle.append(QPointF(left+width*0.5,0));
+        painter->drawPolygon(Triangle);
+    }
+    else if((_pos == P_left && m_type == T_lineIn) || (_pos == P_right && m_type == T_lineOut) )       //从左入或者从右出都是向右
+    {
+        Triangle.append(QPointF(0,0));
+        Triangle.append(QPointF(0,bottom));
+        Triangle.append(QPointF(right,height*0.5));
+        painter->drawPolygon(Triangle);
+    }
+    else if((_pos == P_left && m_type == T_lineOut) || (_pos == P_right && m_type == T_lineIn) )       //从左出或者从右入都是向左
+    {
+        Triangle.append(QPointF(right,0));
+        Triangle.append(QPointF(right,bottom));
+        Triangle.append(QPointF(0,height*0.5));
+        painter->drawPolygon(Triangle);
+    }
+    else if(m_type == T_lineInOut)
+    {
+        painter->drawEllipse(rect().center(), HNDLE_SIZE / 4, HNDLE_SIZE / 4);
+    }
+
+    /*if(m_type==T_lineIn)
+    {
+        painter->setPen(Qt::NoPen);
+        painter->setBrush(Qt::green);
+        painter->drawEllipse(rect().center(), HNDLE_SIZE / 2, HNDLE_SIZE / 2);
+    }
+    else if(m_type==T_lineOut)
+    {
+        painter->setPen(Qt::NoPen);
+        painter->setBrush(Qt::red);
+        painter->drawEllipse(rect().center(), HNDLE_SIZE / 2, HNDLE_SIZE / 2);
+    }*/
+    //ItemControlHandle::paint(painter,option,widget);
+}

source/statusBar.cpp

@@ -0,0 +1,21 @@
+#include <QLabel>
+#include "statusBar.h"
+
+StatusBar::StatusBar(QWidget *parent)
+    : QStatusBar(parent)
+    ,m_pScaleLevel(nullptr)
+{
+    m_pScaleLevel = new QLabel("当前级数:10",this);
+    m_pScaleLevel->setMinimumWidth(250);
+    addWidget(m_pScaleLevel);
+}
+
+StatusBar::~StatusBar()
+{
+
+}
+
+void StatusBar::onScaleLevelChanged(double f)
+{
+    m_pScaleLevel->setText(QString::fromWCharArray(L"当前级数:")+QString::number(f));
+}

source/util/baseSelector.cpp

@@ -8,6 +8,8 @@ QPointF BaseSelector::ms_ptMouseDown(0.0,0.0);
 QPointF BaseSelector::ms_ptMouseLast(0.0,0.0);
 double BaseSelector::ms_dAngleMouseDownToItem = 0.0;
 int BaseSelector::ms_nDragHandle = 0;
+uint BaseSelector::_Id = 0;
+ItemMap BaseSelector::m_graphicsItem;
 
 BaseSelector::BaseSelector(QObject *parent)
     : QObject(parent)
@@ -70,7 +72,8 @@ void BaseSelector::mousePressEvent(QGraphicsSceneMouseEvent* event, DesignerScen
             else if(ms_nDragHandle >= H_connect ) //连接控制点
             {
                 m_opMode = OM_connect;
-                setCursor(scene, Qt::ClosedHandCursor);
+                //setCursor(scene, Qt::ClosedHandCursor);
+                setCursor(scene, Qt::ArrowCursor);
                 emit setWorkingSelector(ST_connecting);
             }
             else

source/util/connectingSelector.cpp

@@ -1,12 +1,18 @@
 #include "util/connectingSelector.h"
+#include "graphicsItem/itemControlHandle.h"
+#include "graphicsItem/itemPort.h"
+#include "graphicsItem/electricConnectLineItem.h"
 #include <QGraphicsSceneMouseEvent>
 #include <QGraphicsView>
 #include <graphicsItem/graphicsBaseItem.h>
 
 ConnectingSelector::ConnectingSelector(QObject *parent)
-    : BaseSelector(parent),m_pConnectingItem(nullptr)
+    : BaseSelector(parent)
+    ,m_pConnectingItem(nullptr)
+    ,m_pTouchedItem(nullptr)
 {
     m_type = ST_connecting;
+    m_bReadyConnect = false;
 }
 ConnectingSelector::~ConnectingSelector()
 {
@@ -19,6 +25,112 @@ void ConnectingSelector::mousePressEvent(QGraphicsSceneMouseEvent* event, Design
 
 }
 
+bool ConnectingSelector::targetCouldConnect(GraphicsBaseItem* p,QPointF pos)
+{
+    GraphicsItemType iType = p->getItemType();
+    if(iType == GIT_bus)
+    {
+        setTargetHighLight(true);
+        return true;
+    }
+    else
+    {
+        int nHandle = p->collidesWithHandle(pos);
+        if(nHandle >= H_connect ) //连接控制点
+        {
+            setTargetHighLight(false);
+            p->setLastPort(nHandle);
+            ItemPort* pt = p->getPortPtr(nHandle);
+            if(pt)
+            {
+                HandleType targetDir = pt->getType();
+                bool bCon = pt->connected();
+
+                if(m_pConnectingItem)
+                {
+                    ItemPort* ptSrc = m_pConnectingItem->getPortPtr(ms_nDragHandle);
+                    HandleType sourceDir = ptSrc->getType();
+
+                    if((targetDir != sourceDir) && !bCon)
+                    {
+                        setTargetHighLight(true);
+                        return true;
+                    }
+                }
+            }
+        }
+        else        //超出了触碰范围
+        {
+            setTargetHighLight(false);
+            p->setLastPort(-1);
+        }
+    }
+    return false;
+}
+
+void ConnectingSelector::setTargetHighLight(bool val)
+{
+    if(m_pTouchedItem)
+    {
+        GraphicsItemType iType = m_pTouchedItem->getItemType();
+        if(iType == GIT_bus)
+        {
+            m_pTouchedItem->setTouched(val);
+        }
+        else
+        {
+            int n = m_pTouchedItem->getLastPort();
+            if(n != -1)
+                m_pTouchedItem->setHandleVisible(n,val);
+        }
+    }
+}
+
+void ConnectingSelector::createConnectLline(GraphicsBaseItem* connectingItem,GraphicsBaseItem* touchedItem,DesignerScene* scene)
+{
+    ElectricConnectLineItem* pItem = new ElectricConnectLineItem();
+    pItem->setItemId(++_Id);
+    pItem->setItemType(GIT_connectLine);
+    scene->addItem(pItem);
+
+    ItemPort* ptSrc = connectingItem->getPortPtr(ms_nDragHandle);
+    int srcId = connectingItem->itemId();
+    int srcPort = ptSrc->getTag();
+    HandleType srcType = ptSrc->getType();
+    pItem->setStartPoint(ptSrc->scenePos());
+    ptSrc->setConnect(pItem);
+
+    ItemPort* ptDest = nullptr;
+    if(touchedItem->getItemType() == GIT_bus)       //母线动态创建port
+    {
+        int nId = touchedItem->addPort(p_movable,touchedItem->mapFromScene(ms_ptMouseLast));
+        if(nId != -1)
+        {
+            ptDest = touchedItem->getPortPtr(nId);
+            pItem->setEndPoint(ptDest->scenePos());
+        }
+    }
+    else
+    {
+        int nLastPort = touchedItem->getLastPort();
+        ptDest = touchedItem->getPortPtr(nLastPort);
+        pItem->setEndPoint(ptDest->scenePos());
+    }
+
+    if(ptDest != nullptr)
+    {
+        int destId = touchedItem->itemId();
+        int destPort = ptDest->getTag();
+        HandleType destType = ptDest->getType();
+
+        pItem->calculatePath();
+        pItem->setConnection(Connection(srcId,srcPort,srcType,destId,destPort,destType));
+        ptDest->setConnect(pItem);
+
+        m_graphicsItem[sceneName()].insert(QString::number(pItem->itemId()),pItem);         //插入连接线到总表
+    }
+}
+
 void ConnectingSelector::mouseMoveEvent(QGraphicsSceneMouseEvent* event, DesignerScene* scene)
 {
     ms_ptMouseLast = event->scenePos();
@@ -32,7 +144,7 @@ void ConnectingSelector::mouseMoveEvent(QGraphicsSceneMouseEvent* event, Designe
             {
                 if(ms_nDragHandle != H_none)
                 {
-                    item->setState(S_lineOut);
+                    item->setState(S_prepareConnect);
                     QPointF start = item->mapFromScene(ms_ptMouseDown);
                     QPointF end = item->mapFromScene(ms_ptMouseLast);
                     item->setBeginConnectPos(start);
@@ -48,6 +160,33 @@ void ConnectingSelector::mouseMoveEvent(QGraphicsSceneMouseEvent* event, Designe
         {
             QPointF end = m_pConnectingItem->mapFromScene(ms_ptMouseLast);
             m_pConnectingItem->setEndConnectPos(end);
+
+            QList<QGraphicsItem *> items = scene->items(ms_ptMouseLast);
+            if (items.count() == 1)
+            {
+                GraphicsBaseItem* item = dynamic_cast<GraphicsBaseItem*>(items.first());
+                if(item)
+                {
+                    int n1 = item->itemId();
+                    int n2 = m_pConnectingItem->itemId();
+                    if(n1 != n2)           //判断两个对象是否相同
+                    {
+                        m_pTouchedItem = item;
+                        m_bReadyConnect = targetCouldConnect(item,ms_ptMouseLast);
+                    }
+                }
+            }
+            if(items.isEmpty())
+            {
+                //todo取消选中
+                m_bReadyConnect = false;
+                setTargetHighLight(false);
+                if(m_pTouchedItem)
+                {
+                    m_pTouchedItem->setLastPort(-1);
+                    m_pTouchedItem = nullptr;
+                }
+            }
         }
     }
 
@@ -55,8 +194,24 @@ void ConnectingSelector::mouseMoveEvent(QGraphicsSceneMouseEvent* event, Designe
 
 void ConnectingSelector::mouseReleaseEvent(QGraphicsSceneMouseEvent* event, DesignerScene* scene)
 {
+    if(m_bReadyConnect)
+    {
+        if(m_pConnectingItem && m_pTouchedItem)
+        {
+            createConnectLline(m_pConnectingItem,m_pTouchedItem,scene);
+        }
+    }
+
     if(m_pConnectingItem)
+    {
         m_pConnectingItem->setState(S_normal);
+    }
+    if(m_pTouchedItem)
+    {
+        setTargetHighLight(false);
+        m_pTouchedItem->setLastPort(-1);
+        m_pTouchedItem = nullptr;
+    }
     m_pConnectingItem = nullptr;
     ms_nDragHandle = H_none;
     setCursor(scene, Qt::ArrowCursor);

source/util/creatingSelector.cpp

@@ -16,6 +16,7 @@ CreatingSelector::CreatingSelector(QObject *parent)
     m_creatingMethod = CM_drag;
     m_pCreatingItem = nullptr;
     m_scalBasePoint = QPointF();
+    _Id = 0;
 }
 CreatingSelector::~CreatingSelector()
 {
@@ -58,7 +59,8 @@ void CreatingSelector::mousePressEvent(QGraphicsSceneMouseEvent* event, Designer
         {
             m_creatingMethod = CM_click;
             m_pCreatingItem = new ElectricSvgItemBus(QRect(-100, -3, 200, 6));
-
+            m_pCreatingItem->setItemId(++_Id);
+            m_pCreatingItem->setItemType(GIT_bus);
             m_pCreatingItem->editShape(ms_nDragHandle, ms_ptMouseLast);
             emit setWorkingSelector(ST_base);
         }
@@ -66,8 +68,9 @@ void CreatingSelector::mousePressEvent(QGraphicsSceneMouseEvent* event, Designer
         case GIT_itemRect:
         {
             m_creatingMethod = CM_click;
-            m_pCreatingItem = new ElectricSvgItemRect(QRect(-30, -30, 60, 60));
+            m_pCreatingItem = new ElectricSvgItemRect(QRect(-20, -20, 40, 40));
-
+            m_pCreatingItem->setItemId(++_Id);
+            m_pCreatingItem->setItemType(GIT_itemRect);
             m_pCreatingItem->editShape(ms_nDragHandle, ms_ptMouseLast);
             emit setWorkingSelector(ST_base);
         }
@@ -75,8 +78,9 @@ void CreatingSelector::mousePressEvent(QGraphicsSceneMouseEvent* event, Designer
         case GIT_itemTri:
         {
             m_creatingMethod = CM_click;
-            m_pCreatingItem = new ElectricSvgItemTriangle(QRect(-30, -30, 60, 60));
+            m_pCreatingItem = new ElectricSvgItemTriangle(QRect(-20, -20, 40, 40));
-
+            m_pCreatingItem->setItemId(++_Id);
+            m_pCreatingItem->setItemType(GIT_itemTri);
             m_pCreatingItem->editShape(ms_nDragHandle, ms_ptMouseLast);
             emit setWorkingSelector(ST_base);
         }
@@ -106,6 +110,7 @@ void CreatingSelector::mousePressEvent(QGraphicsSceneMouseEvent* event, Designer
         //创建时添加了第一个点，紧接着再次添加第二点，然后从第二个点开始进行移动绘制
         m_pCreatingItem->addPoint(ms_ptMouseDown);
         ms_nDragHandle = m_pCreatingItem->handleCount();
+        m_graphicsItem[sceneName()].insert(QString::number(m_pCreatingItem->itemId()),m_pCreatingItem);         //插入数据到总表
         m_pCreatingItem = nullptr;          //先舍弃多次点击创建对象241124 by
     }
 }

source/util/movingSelector.cpp

@@ -1,7 +1,9 @@
 #include "util/movingSelector.h"
+#include "graphicsItem/itemPort.h"
 #include <QGraphicsSceneMouseEvent>
 #include <QGraphicsView>
 #include <graphicsItem/graphicsBaseItem.h>
+#include "graphicsItem/electricConnectLineItem.h"
 
 MovingSelector::MovingSelector(QObject *parent)
     : BaseSelector(parent)
@@ -15,7 +17,10 @@ MovingSelector::~MovingSelector()
 
 void MovingSelector::mousePressEvent(QGraphicsSceneMouseEvent* event, DesignerScene* scene)
 {
+    ms_ptMouseLast = event->scenePos();
 
+    QList<QGraphicsItem *> items = scene->selectedItems();
+    updateConnectLine(items);
 }
 
 void MovingSelector::mouseMoveEvent(QGraphicsSceneMouseEvent* event, DesignerScene* scene)
@@ -40,9 +45,33 @@ void MovingSelector::mouseReleaseEvent(QGraphicsSceneMouseEvent* event, Designer
         if(item)
             item->removeOperationCopy();
     }
+    updateConnectLine(items);
 
     setCursor(scene, Qt::ArrowCursor);
     scene->callParentEvent(event);
     emit setWorkingSelector(ST_base);
 }
 
+void MovingSelector::updateConnectLine(QList<QGraphicsItem *> lst)
+{
+    for(auto iter:lst)        //更新连接线
+    {
+        auto item = dynamic_cast<GraphicsBaseItem*>(iter);
+        if(item)
+        {
+            if(item->getItemType() != GIT_connectLine)
+            {
+                int nId = item->itemId();
+                for(auto pPort:item->getPorts())
+                {
+                    if(pPort->connected())
+                    {
+                        auto pConnect = pPort->getConnectPtr();
+                        pConnect->updateConnection(nId,pPort->scenePos());
+                    }
+                }
+            }
+        }
+    }
+}
+

source/util/selectorManager.cpp

@@ -69,6 +69,14 @@ void SelectorManager::setDrawGraphicsItem(GraphicsItemType item)
     }
 }
 
+void SelectorManager::setName(const QString& str)
+{
+    for(auto iter:m_vecSelectors)
+    {
+        iter->setSceneName(str);
+    }
+}
+
 void SelectorManager::onSignal_setWorkingSelector(SelectorType s)
 {
     setWorkingSelector(s);