add monitor item display

common/include/global.h

@@ -1108,7 +1108,8 @@ struct monitorItemAttributeInfo      //单个监控item属性
 };
 
 enum class monitorItemState{        //监控item的状态
-    Closing = 0,       //合闸
+    Normal = 0,             //正常
+    Closing,       //合闸
     Opening,           //分闸
     AccidentTrip,      //事故跳闸
     StatusFault,        //状态故障
@@ -1118,7 +1119,6 @@ enum class monitorItemState{        //监控item的状态
     Running,            //运行
     ShutDown,           //停运
     Alarm,              //告警
-    Normal,             //正常
     LineBreak,          //断线
     MeasureMentOutLimit     //量测越限
 };
@@ -1138,39 +1138,37 @@ struct monitorItemDisplayInfo       //监控模式显示信息
 
 struct monitorItemTypeStruct      //监控设备类型
 {
-    QString sTag;           //英文
+    QString sTag;
     QString sName;
 
-    bool operator<(const monitorItemTypeStruct& other) const {
+    bool isValid() const {
-        if (sTag != other.sTag)
+        return !sTag.isEmpty() && !sName.isEmpty();
-            return sTag < other.sTag;
-        return sName < other.sName;
     }
 
-    bool notEmpty(){
+    bool operator==(const monitorItemTypeStruct& other) const {
-        if(!sTag.isEmpty() && !sName.isEmpty())
+        return sTag == other.sTag && sName == other.sName;
-            return true;
+    }
-        else
+
-            return false;
+    bool operator<(const monitorItemTypeStruct& other) const {
+        return sTag < other.sTag || (sTag == other.sTag && sName < other.sName);
     }
 };
 
 struct monitorItemStateStruct       //监控设备状态
 {
+    QString sState;
     monitorItemState eState;
-    QString         sState;     //状态(中文)
 
-    bool operator<(const monitorItemStateStruct& other) const {
+    bool isValid() const {
-        if (eState != other.eState)
+        return !sState.isEmpty();
-            return eState < other.eState;
-        return sState < other.sState;
     }
 
-    bool notEmpty(){
+    bool operator==(const monitorItemStateStruct& other) const {
-        if(!sState.isEmpty())
+        return sState == other.sState && eState == other.eState;
-            return true;
+    }
-        else
+
-            return false;
+    bool operator<(const monitorItemStateStruct& other) const {
+        return sState < other.sState || (sState == other.sState && eState < other.eState);
     }
 };
 

diagramCavas/include/graphicsItem/electricSvgGroup.h

@@ -19,11 +19,13 @@ public:
     void move(const QPointF&) override;
     virtual void addSvgItem(ElectricSvgItem* item);
     virtual void updateMapSvg(QMap<QString,QByteArray> map);        //工程模property不含图片，额外存储
-
+    virtual void setMonitorDisplayInfo(QMap<monitorItemStateStruct,monitorItemDisplayInfo> info) override;      //将显示数据更新到子item中
 protected:
     virtual QPainterPath shape() override;
     virtual void editShape(int, const QPointF&) override;
     virtual void paint(QPainter*, const QStyleOptionGraphicsItem*, QWidget*) override;
+protected:
+    virtual void updateCurState(monitorItemState e) override;
 protected:
     QRectF  m_lastBoudingRect; //记录上一时刻的boundingRect
     QMap<QString,QByteArray>    m_mapSvg;

diagramCavas/include/graphicsItem/electricSvgItem.h

@@ -18,13 +18,15 @@ public:
     virtual void loadSvg(){};
     virtual void loadSvg(QByteArray);       //第二种load直接加载图片
     virtual void updateMapSvg(QMap<QString,QByteArray> map);
+    virtual void updateCurState(monitorItemState e) override;
 protected:
     virtual QPainterPath shape() override;
     virtual void editShape(int, const QPointF&) override;
     virtual void paint(QPainter*, const QStyleOptionGraphicsItem*, QWidget*) override;
 protected:
     QRectF  m_lastBoudingRect; //记录上一时刻的boundingRect
-    QSvgRenderer*       m_pRender;
+    QSvgRenderer*       m_pRender;          //默认
+    QSvgRenderer*       m_pCustomRender;        //定制
     QMap<QString,QByteArray>    m_mapSvg;
     QByteArray          _tempSvg;       //保存直接加载的svg数据
 };

diagramCavas/include/graphicsItem/graphicsBaseItem.h

@@ -177,7 +177,7 @@ class GraphicsBaseItem :public QObject, public AbstractShapeType<QGraphicsItem>
     virtual GraphicsBaseItem* clone() const = 0;
 
 public:
-    virtual int addPort(PortState typ,QPointF vec,QString id = "",HandleType hType = T_lineInOut,PortPos pos = P_top,double dXPercent = 0,double dYPercent = 0);            //新建,返回-1失败
+    int addPort(PortState typ,QPointF vec,QString id = "",HandleType hType = T_lineInOut,PortPos pos = P_top,double dXPercent = 0,double dYPercent = 0);            //新建,返回-1失败
     virtual void movePort(QString id,QPointF vec);      //移动可动点
     virtual void setEntity(PowerEntity*);       //设置当前图元的拓扑数据
     virtual PowerEntity* entity();
@@ -578,6 +578,15 @@ public:
     virtual void updateTerPos();        //ct,pt等item大小变动后重新计算端点位置
     virtual void setCurMonitorState(monitorItemState sta) {_curMonitorState = sta;}     //设置当前运行时模式
     virtual void setMonitorDisplayInfo(QMap<monitorItemStateStruct,monitorItemDisplayInfo> info){_displaySetting = info;}
+    virtual void updateCurState(monitorItemState e){        //更新当前显示模式(运行时)
+        if(ifStateExist(e)){
+            _curMonitorState = e;
+            auto info = getInfoByState(e);
+            _curMonitorStateColor = QColor(info.sColor);
+            _curMonitorStateSvg = info.bytPicture;
+            _curMonitorStateEnable = info.bEnable;
+        }
+    }
 protected:
     virtual QVariant itemChange(QGraphicsItem::GraphicsItemChange, const QVariant&) override;
     virtual void contextMenuEvent(QGraphicsSceneContextMenuEvent*) override;
@@ -586,6 +595,23 @@ signals:
     void ifExist(QUuid id,const QString&,int type,GraphicsProjectModelItem*);
 public slots:
     void onEditNameFinish(const QString&);
+protected:
+    bool ifStateExist(monitorItemState sta){        //判断指定状态存在
+        for(auto iter = _displaySetting.begin();iter != _displaySetting.end();++iter){
+            if(iter.key().eState == sta){
+                return true;
+            }
+        }
+        return false;
+    }
+    monitorItemDisplayInfo getInfoByState(monitorItemState sta){        //返回指定状态设置值
+        for(auto iter = _displaySetting.begin();iter != _displaySetting.end();++iter){
+            if(iter.key().eState == sta){
+                return iter.value();
+            }
+        }
+        return monitorItemDisplayInfo();
+    }
 protected:
     ItemState           m_state;
     QPointF             m_beginConnectPoint;
@@ -593,6 +619,9 @@ protected:
     int                 _lastPort;                          //最后触碰的port
     QString             _modelName;                         //当前图元使用的模型名，用来在model中检索属性信息
     monitorItemState    _curMonitorState;               //当前运行时模式
+    QColor              _curMonitorStateColor;
+    QByteArray          _curMonitorStateSvg;
+    bool                _curMonitorStateEnable;
     QMap<monitorItemStateStruct,monitorItemDisplayInfo> _displaySetting;        //显示设置
 };
 

diagramCavas/include/monitorDisplaySettingDlg.h

@@ -26,15 +26,22 @@ public slots:
     void onIconSelectClicked();
 
     void onCheckboxToggled(bool);
-    void onTypeChanged(const QString&);
+    void onDeviceComboBoxChanged(const QString&);
-    void onStateChanged(const QString&);
+    void onStateComboBoxChanged(const QString&);
 
 private:
-    void loadSetting(monitorItemTypeStruct type,monitorItemStateStruct state);     //载入设定到界面
+    void loadSetting(monitorItemTypeStruct type, monitorItemStateStruct state);
-    void saveSetting(monitorItemTypeStruct type,monitorItemStateStruct state);
+    bool saveCurrentSettingsWithIcon();
+    void loadFirstStateSafely();
 
-    void updatePreview();       //预览更新
+    // 图片处理
     void clearStateDisplay();
+    void updateIconDisplay(const QByteArray& svgData);
+    void clearIconDisplay();
+    bool validateSvgData(const QByteArray& svgData) const;
+
+    // 辅助方法
+    bool validateCurrentDeviceState() const;
 private:
     Ui::monitorDisplaySettingDlg *ui;
     MonitorPanel*   _parent;

diagramCavas/include/monitorItemPreviewDlg.h

@@ -16,6 +16,8 @@ public:
     void initial();
     void setSvgFile(const QByteArray &bytSvg);
     void setColors(const QColor &color);
+    void setCurType(const QString& str) {m_curDeviceType = str;}
+    void clearSvg();
     QByteArray getCurSvg() {return _curSvg;}
 protected:
     void paintEvent(QPaintEvent *) override;
@@ -23,6 +25,7 @@ private:
     QSvgRenderer m_renderer;
     QByteArray _curSvg;
     QColor m_Color;
+    QString m_curDeviceType;        //当前设备类型，对应设备tag
 };
 
 #endif

diagramCavas/source/graphicsDataModel/fixedPortsModel.cpp

@@ -2795,9 +2795,10 @@ void FixedPortsModel::updateMonitorDisplay()
         auto pPro = pItem->getProperty();
         if(pPro){
             QString sMeta = pPro->metaModelName();
-            for(auto iter = m_monitorDisplaySetting.begin();iter != m_monitorDisplaySetting.end();++iter){
+            for(auto iter = m_monitorDisplaySetting.begin();iter != m_monitorDisplaySetting.end();++iter){      //将设置的显示数据更新到item(显示数据不放入item的property)
                 if(iter.key().sTag == sMeta){
                     pItem->setMonitorDisplayInfo(iter.value());
+                    pItem->updateCurState(monitorItemState::Normal);
                     break;
                 }
             }

diagramCavas/source/graphicsItem/electricConnectLineItem.cpp

@@ -99,6 +99,10 @@ void ElectricConnectLineItem::paint(QPainter* painter, const QStyleOptionGraphic
     }
     else
     {
+        if(_curMonitorStateEnable){     //当前状态被设置
+            painter->setPen(QPen(_curMonitorStateColor));
+        }
+        else
             painter->setPen(m_pen);
     }
 

diagramCavas/source/graphicsItem/electricSvgGroup.cpp

@@ -83,6 +83,18 @@ void ElectricSvgGroup::paint(QPainter* painter, const QStyleOptionGraphicsItem*
     }
 }
 
+void ElectricSvgGroup::updateCurState(monitorItemState e)
+{
+    GraphicsProjectModelItem::updateCurState(e);
+    for(auto& p:m_childItems){
+        auto pItem = dynamic_cast<ElectricSvgItem*>(p);
+        if(pItem){
+            pItem->updateCurState(e);
+        }
+    }
+}
+
+
 void ElectricSvgGroup::resize(int nHandle,double dSX, double dSY, const QPointF& basePoint)
 {
     switch (nHandle)
@@ -122,6 +134,17 @@ void ElectricSvgGroup::updateMapSvg(QMap<QString,QByteArray> map)
     m_mapSvg = map;
 }
 
+void ElectricSvgGroup::setMonitorDisplayInfo(QMap<monitorItemStateStruct,monitorItemDisplayInfo> info)
+{
+    GraphicsProjectModelItem::setMonitorDisplayInfo(info);
+    for(auto& p:m_childItems){
+        auto pItem = dynamic_cast<ElectricSvgItem*>(p);
+        if(pItem){
+            pItem->setMonitorDisplayInfo(info);
+        }
+    }
+}
+
 void ElectricSvgGroup::addSvgItem(ElectricSvgItem* item)
 {
     item->setParentItem(this); // 关键：设置父项

diagramCavas/source/graphicsItem/electricSvgItem.cpp

@@ -7,7 +7,7 @@
 #include <QDebug>
 
 ElectricSvgItem::ElectricSvgItem(const QRect &rect, bool autoGenPort,QGraphicsItem *parent)
-    : GraphicsProjectModelItem(parent),m_pRender(nullptr)
+    : GraphicsProjectModelItem(parent),m_pRender(nullptr),m_pCustomRender(nullptr)
 {
     m_lastBoudingRect = rect;
     m_boundingRect = rect;
@@ -21,7 +21,7 @@ ElectricSvgItem::ElectricSvgItem(const QRect &rect, bool autoGenPort,QGraphicsIt
 }
 
 ElectricSvgItem::ElectricSvgItem(const ElectricSvgItem& obj)
-    : GraphicsProjectModelItem(obj)
+    : GraphicsProjectModelItem(obj),m_pCustomRender(nullptr)
 {
     m_lastBoudingRect = obj.m_lastBoudingRect;
     m_boundingRect = obj.m_boundingRect;
@@ -79,10 +79,45 @@ void ElectricSvgItem::updateCoordinate() //当执行了resie和editShape函数
 
 void ElectricSvgItem::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
 {
+    if(_curMonitorStateEnable){
+
+        painter->setRenderHint(QPainter::Antialiasing);
+
+        QSize imageSize = m_boundingRect.size().toSize();
+        if (imageSize.isEmpty()) return;
+
+        // 1. 渲染SVG到图像
+        QImage sourceImage(imageSize, QImage::Format_ARGB32_Premultiplied);
+        sourceImage.fill(Qt::transparent);
+
+        QPainter sourcePainter(&sourceImage);
+        sourcePainter.setRenderHint(QPainter::Antialiasing);
+        m_pCustomRender->render(&sourcePainter, QRectF(0, 0, imageSize.width(), imageSize.height()));
+        sourcePainter.end();
+
+        // 2. 直接使用合成模式改变颜色（更高效）
+        QImage resultImage(imageSize, QImage::Format_ARGB32_Premultiplied);
+        resultImage.fill(Qt::transparent);
+
+        QPainter resultPainter(&resultImage);
+
+        // 先绘制原始SVG（保留透明度）
+        resultPainter.drawImage(0, 0, sourceImage);
+
+        // 然后对非透明区域应用颜色叠加
+        resultPainter.setCompositionMode(QPainter::CompositionMode_SourceIn);
+        resultPainter.fillRect(resultImage.rect(), QColor(_curMonitorStateColor));
+        resultPainter.end();
+
+        // 3. 最终绘制
+        painter->drawImage(m_boundingRect, resultImage);
+    }
+    else{
         if(m_pRender)
         {
             m_pRender->render(painter,m_boundingRect);
         }
+    }
 
     painter->setPen(m_pen);
     painter->setBrush(m_brush);
@@ -159,3 +194,14 @@ void ElectricSvgItem::editShape(int nHandle,const QPointF& ptMouse)
     prepareGeometryChange();
     updateHandles();
 }
+
+void ElectricSvgItem::updateCurState(monitorItemState e)
+{
+    GraphicsProjectModelItem::updateCurState(e);
+    if(m_pCustomRender == nullptr){
+        m_pCustomRender = new QSvgRenderer(_curMonitorStateSvg);
+    }
+    else{
+        m_pCustomRender->load(_curMonitorStateSvg);
+    }
+}

diagramCavas/source/graphicsItem/electricSvgItemCT.cpp

@@ -45,12 +45,64 @@ void ElectricSvgItemCT::initial()
 
 void ElectricSvgItemCT::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
 {
-    if (!m_pRender || !m_pRender->isValid())
-        return;
-
     // 计算每个图形的宽度
     qreal singleWidth = m_boundingRect.width() / 3.0;
 
+    if(_curMonitorStateEnable){
+
+        painter->setRenderHint(QPainter::Antialiasing);
+
+        QSize imageSize = m_boundingRect.size().toSize();
+        if (imageSize.isEmpty()) return;
+
+        // 1. 渲染SVG到图像
+        QImage sourceImage(imageSize, QImage::Format_ARGB32_Premultiplied);
+        sourceImage.fill(Qt::transparent);
+
+        QPainter sourcePainter(&sourceImage);
+        sourcePainter.setRenderHint(QPainter::Antialiasing);
+        m_pCustomRender->render(&sourcePainter, QRectF(0, 0, imageSize.width(), imageSize.height()));
+        sourcePainter.end();
+
+        // 2. 直接使用合成模式改变颜色（更高效）
+        QImage resultImage(imageSize, QImage::Format_ARGB32_Premultiplied);
+        resultImage.fill(Qt::transparent);
+
+        QPainter resultPainter(&resultImage);
+
+        // 先绘制原始SVG（保留透明度）
+        resultPainter.drawImage(0, 0, sourceImage);
+
+        // 然后对非透明区域应用颜色叠加
+        resultPainter.setCompositionMode(QPainter::CompositionMode_SourceIn);
+        resultPainter.fillRect(resultImage.rect(), QColor(_curMonitorStateColor));
+        resultPainter.end();
+
+        // 3. 最终绘制
+        //QRectF rect(m_boundingRect.x() + singleWidth, m_boundingRect.y(), singleWidth, m_boundingRect.height());
+        //painter->drawImage(rect, resultImage);
+
+        if(_itemType == 1){
+            QRectF rect1(m_boundingRect.x(), m_boundingRect.y(), singleWidth, m_boundingRect.height());
+            painter->drawImage(rect1, resultImage);
+
+            // 绘制第二个图形
+            QRectF rect2(m_boundingRect.x() + singleWidth, m_boundingRect.y(), singleWidth, m_boundingRect.height());
+            painter->drawImage(rect2, resultImage);
+
+            // 绘制第三个图形
+            QRectF rect3(m_boundingRect.x() + 2 * singleWidth, m_boundingRect.y(), singleWidth, m_boundingRect.height());
+           painter->drawImage(rect3, resultImage);
+        }
+        else if(_itemType == 0){
+            QRectF rect(m_boundingRect.x() + singleWidth, m_boundingRect.y(), singleWidth, m_boundingRect.height());
+            painter->drawImage(rect, resultImage);
+        }
+    }
+    else{
+        if (!m_pRender || !m_pRender->isValid())
+            return;
+
         // 绘制第一个图形
         if(_itemType == 1){
             QRectF rect1(m_boundingRect.x(), m_boundingRect.y(), singleWidth, m_boundingRect.height());
@@ -69,5 +121,6 @@ void ElectricSvgItemCT::paint(QPainter* painter, const QStyleOptionGraphicsItem*
             m_pRender->render(painter, rect);
         }
     }
+}
 
 

diagramCavas/source/graphicsItem/electricSvgItemPT.cpp

@@ -32,10 +32,45 @@ ElectricSvgItemPT* ElectricSvgItemPT::clone() const
 
 void ElectricSvgItemPT::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
 {
+    if(_curMonitorStateEnable){
+
+        painter->setRenderHint(QPainter::Antialiasing);
+
+        QSize imageSize = m_boundingRect.size().toSize();
+        if (imageSize.isEmpty()) return;
+
+        // 1. 渲染SVG到图像
+        QImage sourceImage(imageSize, QImage::Format_ARGB32_Premultiplied);
+        sourceImage.fill(Qt::transparent);
+
+        QPainter sourcePainter(&sourceImage);
+        sourcePainter.setRenderHint(QPainter::Antialiasing);
+        m_pCustomRender->render(&sourcePainter, QRectF(0, 0, imageSize.width(), imageSize.height()));
+        sourcePainter.end();
+
+        // 2. 直接使用合成模式改变颜色（更高效）
+        QImage resultImage(imageSize, QImage::Format_ARGB32_Premultiplied);
+        resultImage.fill(Qt::transparent);
+
+        QPainter resultPainter(&resultImage);
+
+        // 先绘制原始SVG（保留透明度）
+        resultPainter.drawImage(0, 0, sourceImage);
+
+        // 然后对非透明区域应用颜色叠加
+        resultPainter.setCompositionMode(QPainter::CompositionMode_SourceIn);
+        resultPainter.fillRect(resultImage.rect(), QColor(_curMonitorStateColor));
+        resultPainter.end();
+
+        // 3. 最终绘制
+        painter->drawImage(m_boundingRect, resultImage);
+    }
+    else{
         if (!m_pRender || !m_pRender->isValid())
             return;
         m_pRender->render(painter, m_boundingRect);
     }
+}
 
 void ElectricSvgItemPT::initial()
 {

diagramCavas/source/graphicsItem/graphicsBaseItem.cpp

@@ -52,7 +52,7 @@ GraphicsBaseItem::GraphicsBaseItem(const GraphicsBaseItem& obj)
     }
 
     for(auto& port:obj.m_mapPort){
-        addPort(tpe,port->pos(),port->getId(),port->getType(),port->portPos());
+        addPort(tpe,port->pos(),port->getId(),port->getType(),port->portPos(),port->getXPercent(),port->getYPercent());
     }
 }
 
@@ -465,6 +465,7 @@ GraphicsProjectModelItem::GraphicsProjectModelItem(QGraphicsItem *parent)
     setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
 
     _curMonitorState = monitorItemState::Normal;
+    _curMonitorStateEnable = false;
 }
 
 GraphicsProjectModelItem::GraphicsProjectModelItem(const GraphicsProjectModelItem& obj)
@@ -507,6 +508,7 @@ GraphicsProjectModelItem::GraphicsProjectModelItem(const GraphicsProjectModelIte
     setRotation(obj.rotation());
 
     _curMonitorState = monitorItemState::Normal;
+    _curMonitorStateEnable = false;
 }
 
 GraphicsProjectModelItem::~GraphicsProjectModelItem()

diagramCavas/source/monitorDisplaySettingDlg.cpp

@@ -4,6 +4,7 @@
 #include <QColorDialog>
 #include <QSvgRenderer>
 #include <QPainter>
+#include <QMessageBox>
 #include "projectModelManager.h"
 #include "projectIconSelectionDlg.h"
 
@@ -27,8 +28,8 @@ void MonitorDisplaySettingDlg::initial()
     connect(ui->btn_save,&QPushButton::clicked,this,&MonitorDisplaySettingDlg::onSaveClicked);
     connect(ui->btn_cancel,&QPushButton::clicked,this,&MonitorDisplaySettingDlg::onCancelClicked);
 
-    connect(ui->cb_type,&QComboBox::currentTextChanged,this,&MonitorDisplaySettingDlg::onTypeChanged);
+    connect(ui->cb_type,&QComboBox::currentTextChanged,this,&MonitorDisplaySettingDlg::onDeviceComboBoxChanged);
-    connect(ui->cb_state,&QComboBox::currentTextChanged,this,&MonitorDisplaySettingDlg::onStateChanged);
+    connect(ui->cb_state,&QComboBox::currentTextChanged,this,&MonitorDisplaySettingDlg::onStateComboBoxChanged);
 
     connect(ui->btn_selectColor, &QPushButton::clicked, this, [this]() {
         QColor newColor = QColorDialog::getColor(_curColor, this, "选择颜色");
@@ -41,7 +42,7 @@ void MonitorDisplaySettingDlg::initial()
             ui->btn_selectColor->setText(newColor.name());
             // 触发预览更新
 
-            if(_curType.notEmpty() && _curState.notEmpty()){
+            if(_curType.isValid() && _curState.isValid()){
                 _tempSetting[_curType][_curState].sColor = _curColor.name();
                 ui->content->setColors(_curColor);
             }
@@ -56,18 +57,33 @@ void MonitorDisplaySettingDlg::showDlg()
 {
     show();
     _tempSetting = _parent->getModelController()->getMonitorDisplaySetting();
+    ui->cb_state->blockSignals(true);
+    ui->cb_type->blockSignals(true);
     ui->cb_type->clear();
     ui->cb_state->clear();
+    ui->cb_state->blockSignals(false);
+    ui->cb_type->blockSignals(false);
 
     for(auto iter = _tempSetting.begin();iter != _tempSetting.end();++iter){
         ui->cb_type->addItem(iter.key().sName,iter.key().sTag);
     }
+
+    // 2. 如果有设备，选择第一个设备
+    // if (ui->cb_type->count() > 0) {
+    //     QString firstDevice = ui->cb_type->itemText(0);
+    //     onDeviceComboBoxChanged(firstDevice);
+    // }
 }
 
 void MonitorDisplaySettingDlg::onSaveClicked()
 {
-    saveSetting(_curType,_curState);
+    if (validateCurrentDeviceState()) {
+        if (!saveCurrentSettingsWithIcon()) {
+            QMessageBox::warning(this, "Warning", "Failed to save current settings");
+        }
+    }
     _parent->getModelController()->getMonitorDisplaySetting() = _tempSetting;
+    _parent->getModelController()->updateMonitorDisplay();
     hide();
 }
 
@@ -96,7 +112,33 @@ void MonitorDisplaySettingDlg::onCheckboxToggled(bool val)
 
 void MonitorDisplaySettingDlg::onIconSelectClicked()
 {
-    if(!_curMeta.isEmpty() && !_curModel.isEmpty()){
+    // if(!_curMeta.isEmpty() && !_curModel.isEmpty()){
+    //     auto mapAllSvg = ProjectModelManager::instance().getData()[_curMeta][_curModel].modelSetting.mapSvg;
+    //     ProjectIconSelectionDlg dialog(mapAllSvg, this);
+    //     if (dialog.exec() == QDialog::Accepted) {
+    //         QByteArray selectedSVG = dialog.selectedSVG();
+    //         if (!selectedSVG.isEmpty()) {
+    //             QSvgRenderer renderer(selectedSVG);
+    //             QPixmap pixmap(32, 32);
+    //             pixmap.fill(Qt::transparent);
+    //             QPainter painter(&pixmap);
+    //             renderer.render(&painter);
+
+    //             ui->btn_selectIcon->setIcon(QIcon(pixmap));
+    //             if (validateSvgData(selectedSVG)) {
+    //                 updateIconDisplay(selectedSVG);
+
+    //                 if(_curType.isValid() && _curState.isValid()){
+    //                     _tempSetting[_curType][_curState].bytPicture = selectedSVG;
+    //                 }
+    //             }
+    //         }
+    //     }
+    // }
+    if(_curMeta.isEmpty() || _curModel.isEmpty()){
+        return;
+    }
+
     auto mapAllSvg = ProjectModelManager::instance().getData()[_curMeta][_curModel].modelSetting.mapSvg;
     ProjectIconSelectionDlg dialog(mapAllSvg, this);
     if (dialog.exec() == QDialog::Accepted) {
@@ -109,9 +151,11 @@ void MonitorDisplaySettingDlg::onIconSelectClicked()
             renderer.render(&painter);
 
             ui->btn_selectIcon->setIcon(QIcon(pixmap));
-                ui->content->setSvgFile(selectedSVG);
+            if (validateSvgData(selectedSVG)) {
+                updateIconDisplay(selectedSVG);
 
-                if(_curType.notEmpty() && _curState.notEmpty()){
+                // 立即更新当前设备状态的图标数据
+                if(_curType.isValid() && _curState.isValid()){
                     _tempSetting[_curType][_curState].bytPicture = selectedSVG;
                 }
             }
@@ -119,80 +163,59 @@ void MonitorDisplaySettingDlg::onIconSelectClicked()
     }
 }
 
-void MonitorDisplaySettingDlg::onTypeChanged(const QString& str)
+void MonitorDisplaySettingDlg::onDeviceComboBoxChanged(const QString& str)
 {
-    /*saveSetting(_curType,_curState);
+    if (str.isEmpty()) {
-    ui->cb_state->clear();
+        return;
-    monitorItemTypeStruct keyType;
-    keyType.sTag = ui->cb_type->currentData().toString();
-    keyType.sName = str;
-    QMap<monitorItemStateStruct,monitorItemDisplayInfo> mapInfo = _tempSetting.value(keyType);
-    for(auto iter = mapInfo.begin();iter != mapInfo.end();++iter){
-        ui->cb_state->addItem(iter.key().sState,int(iter.key().eState));
-        if(_curMeta != iter->sMeta){
-            _curMeta = iter->sMeta;
     }
+
+    // 1. 保存当前设备的非图标数据
+    if (_curType.isValid() && _curState.isValid()) {
+        saveCurrentSettingsWithIcon();
+        clearIconDisplay();
     }
-    _curType = keyType;
-    onStateChanged(ui->cb_state->currentText());*/
 
-    //monitorItemStateStruct keyState;
+    // 2. 构建新设备
-    //keyState.sState = ui->cb_state->currentText();
+    monitorItemTypeStruct newType;
-    //loadSetting(_curType,ui->cb_state->currentText());
+    newType.sTag = ui->cb_type->currentData().toString();
-    // 1. 保存当前设备类型的设置
+    newType.sName = str;
-    saveSetting(_curType, _curState);
 
-    // 2. 清空状态下拉框
+    if (!newType.isValid()) {
-    ui->cb_state->clear();
+        return;
+    }
 
-    // 3. 构建新的设备类型键值
+    // 3. 检查新设备是否存在
-    monitorItemTypeStruct keyType;
+    if (!_tempSetting.contains(newType)) {
-    keyType.sTag = ui->cb_type->currentData().toString();
+        _curType = newType;
-    keyType.sName = str;
+        _curState = monitorItemStateStruct();
-
-    // 4. 获取新设备类型对应的状态列表
-    QMap<monitorItemStateStruct, monitorItemDisplayInfo> mapInfo = _tempSetting.value(keyType);
-
-    // 5. 如果新设备类型没有状态数据，直接返回
-    if (mapInfo.isEmpty()) {
-        _curType = keyType;
-        // 清空当前状态相关显示
         clearStateDisplay();
         return;
     }
 
-    // 6. 填充状态下拉框
+    // 4. 清空状态下拉框
-    QString firstState; // 记录第一个状态，用于后续加载
+    ui->cb_state->blockSignals(true);
-    for (auto iter = mapInfo.begin(); iter != mapInfo.end(); ++iter) {
+    ui->cb_state->clear();
-        QString stateName = iter.key().sState;
+    ui->cb_state->blockSignals(false);
-        int stateValue = static_cast<int>(iter.key().eState);
 
-        ui->cb_state->addItem(stateName, stateValue);
+    // 5. 填充新设备的状态
-
+    auto& stateMap = _tempSetting[newType];
-        // 记录第一个状态
+    for (auto iter = stateMap.begin(); iter != stateMap.end(); ++iter) {
-        if (firstState.isEmpty()) {
+        ui->cb_state->addItem(iter.key().sState, static_cast<int>(iter.key().eState));
-            firstState = stateName;
     }
 
-        // 更新元数据（如果有变化）
+    // 6. 更新当前设备
-        if (_curMeta != iter->sMeta) {
+    _curType = newType;
-            _curMeta = iter->sMeta;
+
+    // 7. 加载第一个状态
+    if (ui->cb_state->count() > 0) {
+        loadFirstStateSafely();
+    } else {
+        _curState = monitorItemStateStruct();
+        clearStateDisplay();
     }
 }
 
-    // 7. 更新当前设备类型
+void MonitorDisplaySettingDlg::onStateComboBoxChanged(const QString& str)
-    _curType = keyType;
-
-    // 8. 加载第一个状态的设置
-    if (!firstState.isEmpty()) {
-        // 设置下拉框当前项为第一个状态
-        ui->cb_state->setCurrentIndex(0);
-        // 触发状态变化处理
-        onStateChanged(firstState);
-    }
-}
-
-void MonitorDisplaySettingDlg::onStateChanged(const QString& str)
 {
     /*if(_tempSetting.contains(_curType)){
         monitorItemStateStruct keyState;
@@ -209,120 +232,228 @@ void MonitorDisplaySettingDlg::onStateChanged(const QString& str)
             loadSetting(_curType,_curState);
         }
     }*/
-    // 1. 检查当前设备类型是否存在
+
-    if (!_tempSetting.contains(_curType)) {
+    if (str.isEmpty() || str == _curState.sState) {
         return;
     }
 
-    // 2. 检查状态是否为空
+    // 1. 保存当前状态的完整数据（包括图标）
-    if (str.isEmpty()) {
+    if (_curType.isValid() && _curState.isValid()) {
-        return;
+        saveCurrentSettingsWithIcon();  // 保存完整数据
     }
 
-    // 3. 构建状态键值
+    // 2. 获取新状态
-    monitorItemStateStruct keyState;
-    keyState.sState = str;
-
-    // 4. 从下拉框获取状态枚举值（添加安全检查）
     QVariant stateData = ui->cb_state->currentData();
     if (!stateData.isValid()) {
         return;
     }
 
-    bool ok = false;
+    monitorItemStateStruct newState;
-    int stateValue = stateData.toInt(&ok);
+    newState.sState = str;
-    if (!ok) {
+    newState.eState = static_cast<monitorItemState>(stateData.toInt());
-        return;
-    }
 
-    keyState.eState = monitorItemState(stateValue);
+    // 3. 更新当前状态
+    _curState = newState;
 
-    // 5. 检查状态是否存在
+    // 4. 加载新状态设置
-    auto& typeSettings = _tempSetting[_curType];
-    if (!typeSettings.contains(keyState)) {
-        return;
-    }
-
-    // 6. 保存当前设置
-    saveSetting(_curType, _curState);
-
-    // 7. 获取新状态信息
-    auto& info = typeSettings[keyState];
-
-    // 8. 更新界面控件
-    ui->checkBox_custom->setChecked(info.bEnable);
-
-    // 9. 更新模型信息（仅在变化时）
-    if (_curModel != info.sModel) {
-        _curModel = info.sModel;
-    }
-
-    // 10. 更新当前状态并加载新设置
-    _curState = keyState;
     loadSetting(_curType, _curState);
 }
 
 void MonitorDisplaySettingDlg::loadSetting(monitorItemTypeStruct type, monitorItemStateStruct state)
 {
-    auto setting = _tempSetting[type][state];
+    if (!type.isValid() || !state.isValid()) {
+        return;
+    }
+
+    if (!_tempSetting.contains(type) || !_tempSetting[type].contains(state)) {
+        return;
+    }
+
+    auto& setting = _tempSetting[type][state];
+
+    // 修复：正确设置_curMeta和_curModel
+    _curMeta = setting.sMeta;
+    _curModel = setting.sModel;
+
+    // 更新界面控件
     ui->checkBox_custom->setChecked(setting.bEnable);
-    if(setting.bEnable){
+
-        ui->btn_selectColor->setEnabled(true);
+    // 设置控件可用性
-        ui->btn_selectIcon->setEnabled(true);
+    bool enabled = setting.bEnable;
-        ui->sb_width->setEnabled(true);
+    ui->btn_selectColor->setEnabled(enabled);
-        ui->sb_height->setEnabled(true);
+    ui->btn_selectIcon->setEnabled(enabled);
-        ui->cb_effect->setEnabled(true);
+    ui->sb_width->setEnabled(enabled);
-    }
+    ui->sb_height->setEnabled(enabled);
-    else{
+    ui->cb_effect->setEnabled(enabled);
-        ui->btn_selectColor->setEnabled(false);
+
-        ui->btn_selectIcon->setEnabled(false);
+    // 更新颜色
-        ui->sb_width->setEnabled(false);
-        ui->sb_height->setEnabled(false);
-        ui->cb_effect->setEnabled(false);
-    }
     _curColor = QColor(setting.sColor);
-    // 更新按钮显示
+    if (!_curColor.isValid()) {
-    QPixmap pixmap(16, 16);
+        _curColor = Qt::black;
-    pixmap.fill(_curColor);
+    }
-    ui->btn_selectColor->setIcon(QIcon(pixmap));
+
+    QPixmap colorPixmap(16, 16);
+    colorPixmap.fill(_curColor);
+    ui->btn_selectColor->setIcon(QIcon(colorPixmap));
     ui->btn_selectColor->setText(_curColor.name());
 
+    // 更新图标
+    if (!setting.bytPicture.isEmpty()) {
         QSvgRenderer renderer(setting.bytPicture);
-    QPixmap pixSvg(32, 32);
+        if (renderer.isValid()) {
-    pixmap.fill(Qt::transparent);
+            QPixmap iconPixmap(32, 32);
-    QPainter painter(&pixSvg);
+            iconPixmap.fill(Qt::transparent);
+            QPainter painter(&iconPixmap);
             renderer.render(&painter);
+            ui->btn_selectIcon->setIcon(QIcon(iconPixmap));
 
-    ui->btn_selectIcon->setIcon(QIcon(pixSvg));
             ui->content->setSvgFile(setting.bytPicture);
-    ui->content->setColors(_curColor);
+        }
+    } else {
+        ui->btn_selectIcon->setIcon(QIcon());
+        ui->content->clearSvg();
+    }
 
+    // 更新尺寸
     ui->sb_width->setValue(setting.nWidth);
     ui->sb_height->setValue(setting.nHeight);
+
+    // 更新内容显示
+    ui->content->setCurType(type.sTag);
+    ui->content->setColors(_curColor);
 }
 
-void MonitorDisplaySettingDlg::saveSetting(monitorItemTypeStruct type,monitorItemStateStruct state)
+
+bool MonitorDisplaySettingDlg::saveCurrentSettingsWithIcon()
 {
-    if(type.notEmpty() && state.notEmpty()){
+    if (!_curType.isValid() || !_curState.isValid()) {
-        auto& setting = _tempSetting[type][state];
+        return false;
+    }
+
+    if (!_tempSetting.contains(_curType) || !_tempSetting[_curType].contains(_curState)) {
+        return false;
+    }
+
+    auto& setting = _tempSetting[_curType][_curState];
+
+    int oldSvgSize = setting.bytPicture.size();
+
+    // 保存所有数据，包括图标
     setting.bEnable = ui->checkBox_custom->isChecked();
-        setting.sColor = _curColor.name();
+    setting.sColor = _curColor.name(QColor::HexArgb);
-        setting.bytPicture = ui->content->getCurSvg();
+
+    // 图标数据：使用当前显示的图标
+    QByteArray currentSvg = ui->content->getCurSvg();
+    if (!currentSvg.isEmpty() && validateSvgData(currentSvg)) {
+        setting.bytPicture = currentSvg;
+    }
+    // 如果图标数据无效，保持原数据不变
+
     setting.nWidth = ui->sb_width->value();
     setting.nHeight = ui->sb_height->value();
-    }
+
+    // 修复_curMeta和_curModel
+    if (!_curMeta.isEmpty()) {
+        setting.sMeta = _curMeta;
     }
 
-void MonitorDisplaySettingDlg::updatePreview()
+    if (!_curModel.isEmpty()) {
-{
+        setting.sModel = _curModel;
-    ui->content->update();
+    }
+
+    return true;
 }
 
 void MonitorDisplaySettingDlg::clearStateDisplay()
 {
     ui->checkBox_custom->setChecked(false);
-    // 可以添加其他需要清空的UI元素
+    ui->btn_selectColor->setEnabled(false);
-    _curState = monitorItemStateStruct(); // 清空当前状态
+    ui->btn_selectIcon->setEnabled(false);
-    _curModel = QString(); // 清空当前模型
+    ui->sb_width->setEnabled(false);
-    _curMeta = QString(); // 清空元数据
+    ui->sb_height->setEnabled(false);
+    ui->cb_effect->setEnabled(false);
+
+    // 清空图标显示
+    ui->btn_selectIcon->setIcon(QIcon());
+    ui->content->clearSvg();
+
+    // 重置颜色显示
+    _curColor = Qt::black;
+    QPixmap pixmap(16, 16);
+    pixmap.fill(_curColor);
+    ui->btn_selectColor->setIcon(QIcon(pixmap));
+    ui->btn_selectColor->setText(_curColor.name());
+
+    // 清空当前状态
+    _curState = monitorItemStateStruct();
+    _curModel.clear();
+    _curMeta.clear();
 }
+
+void MonitorDisplaySettingDlg::updateIconDisplay(const QByteArray& svgData)
+{
+    if (svgData.isEmpty()) {
+        clearIconDisplay();
+        return;
+    }
+
+    if (!validateSvgData(svgData)) {
+        clearIconDisplay();
+        return;
+    }
+
+    try {
+        // 更新按钮图标
+        QSvgRenderer renderer(svgData);
+        QPixmap iconPixmap(32, 32);
+        iconPixmap.fill(Qt::transparent);
+        QPainter painter(&iconPixmap);
+        renderer.render(&painter);
+        ui->btn_selectIcon->setIcon(QIcon(iconPixmap));
+
+        // 更新内容显示
+        ui->content->setSvgFile(svgData);
+        ui->content->setColors(_curColor);
+
+    } catch (...) {
+        clearIconDisplay();
+    }
+}
+
+void MonitorDisplaySettingDlg::clearIconDisplay()
+{
+    ui->btn_selectIcon->setIcon(QIcon());
+    ui->content->clearSvg();
+}
+
+bool MonitorDisplaySettingDlg::validateSvgData(const QByteArray& svgData) const
+{
+    if (svgData.isEmpty()) {
+        return false;
+    }
+
+    QSvgRenderer renderer(svgData);
+    return renderer.isValid();
+}
+
+void MonitorDisplaySettingDlg::loadFirstStateSafely()
+{
+    QString firstStateName = ui->cb_state->itemText(0);
+    QVariant firstStateData = ui->cb_state->itemData(0);
+
+    monitorItemStateStruct firstState;
+    firstState.sState = firstStateName;
+    firstState.eState = static_cast<monitorItemState>(firstStateData.toInt());
+
+    _curState = firstState;
+    ui->cb_state->setCurrentIndex(0);
+    loadSetting(_curType, _curState);
+}
+
+bool MonitorDisplaySettingDlg::validateCurrentDeviceState() const
+{
+    return _curType.isValid() && _curState.isValid() &&
+           _tempSetting.contains(_curType) &&
+           _tempSetting[_curType].contains(_curState);
+}
+

diagramCavas/source/monitorItemPreviewDlg.cpp

@@ -30,7 +30,31 @@ void MonitorItemPreviewDlg::setColors(const QColor &color)
     update();
 }
 
+void MonitorItemPreviewDlg::clearSvg()
+{
+    QByteArray emptySvg = "<svg xmlns='http://www.w3.org/2000/svg'/>";
+    _curSvg.clear();
+    m_renderer.load(emptySvg);
+    m_curDeviceType.clear();
+}
+
 void MonitorItemPreviewDlg::paintEvent(QPaintEvent *) {
+    if(m_curDeviceType == "cable"){
+        QPainter painter(this);
+        painter.setRenderHint(QPainter::Antialiasing);
+
+        // 设置线宽
+        int lineWidth = 3;
+        painter.setPen(QPen(m_Color, lineWidth));
+
+        // 定义折线的各个顶点
+        QPolygon polyline;
+        polyline << QPoint(20, 20)                    // 起点：左上角
+                 << QPoint(width()/2, height()/2)    // 中间点：中心
+                 << QPoint(width()-20, height()-20);  // 终点：右下角
+        painter.drawPolyline(polyline);
+    }
+    else{
         QPainter painter(this);
         painter.setRenderHint(QPainter::Antialiasing);
 
@@ -57,3 +81,4 @@ void MonitorItemPreviewDlg::paintEvent(QPaintEvent *) {
             }
         }
     }
+}