外观设置

button.cpp

@@ -2,6 +2,7 @@
 #include <QPainter>
 #include <QStyleOptionGraphicsItem>
 #include <QMenu>
+#include <QFileDialog>
 
 Button::Button(const QString &type) : Item(type)
 {
@@ -15,41 +16,48 @@ QRectF Button::boundingRect() const
 
 void Button::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *)
 {
-        painter->setRenderHint(QPainter::Antialiasing);
+    painter->setRenderHint(QPainter::Antialiasing);
 
-        if (type_ == "按钮") {
+    if (type_ == "按钮") {
+        if (!imagePath_.isEmpty() && !customPixmap_.isNull())
+        {
+            painter->drawPixmap(0,0,50,50,customPixmap_);
+        }
+        else{
             painter->drawRect(0,0,50,50);
         }
-        if (!registerId_.isEmpty()) {
-            painter->save();
-            painter->setFont(QFont("Arial", 8));
-            painter->setPen(Qt::black);
-            QString text;
-            if (registerValue_ > 0)
-            {
-                text = QString("%1\nON").arg(registerId());
-            }
-            else
-            {
-                text = QString("%1\nOFF").arg(registerId());
-            }
-            painter->drawText(QRectF(13, 13, 26, 26), Qt::AlignCenter, text);
-            painter->restore();
+    }
+    if (!registerId_.isEmpty()) {
+        painter->save();
+        painter->setFont(QFont("Arial", 8));
+        painter->setPen(Qt::red);
+        QString text;
+        if (registerValue_ > 0)
+        {
+            text = QString("%1\nON").arg(registerId());
         }
-        if (option->state & QStyle::State_Selected) {
-            QPen pen(Qt::DashLine);
-            pen.setColor(Qt::blue);
-            pen.setWidth(2);
-            painter->setPen(pen);
-            painter->setBrush(Qt::NoBrush);
-            painter->drawRect(boundingRect());
+        else
+        {
+            text = QString("%1\nOFF").arg(registerId());
         }
+        painter->drawText(QRectF(13, 13, 26, 26), Qt::AlignCenter, text);
+        painter->restore();
+    }
+    if (option->state & QStyle::State_Selected) {
+        QPen pen(Qt::DashLine);
+        pen.setColor(Qt::blue);
+        pen.setWidth(2);
+        painter->setPen(pen);
+        painter->setBrush(Qt::NoBrush);
+        painter->drawRect(boundingRect());
+    }
 }
 
 void Button::addMenuActions(QMenu *menu)
 {
     menu->addAction("置ON");
     menu->addAction("置OFF");
+    menu->addAction("外观设置");
 }
 
 void Button::handleMenuAction(QAction *action)
@@ -72,4 +80,31 @@ void Button::handleMenuAction(QAction *action)
     if (action->text() == "置OFF"){
         emit requestSetON(this, false);
     }
+    if (action->text() == "外观设置"){
+        QString fileName = QFileDialog::getOpenFileName(nullptr,
+                                                        "选择图片",
+                                                        "",
+                                                        "图片文件(*.png *.jpg *.bmp)");
+        if (!fileName.isEmpty())
+        {
+            setCustomImage(fileName);
+        }
+    }
+}
+
+void Button::setCustomImage(const QString &imagePath)
+{
+    imagePath_ = imagePath;
+    loadImage();
+    update();
+}
+
+void Button::loadImage()
+{
+    if(!imagePath_.isEmpty()){
+        customPixmap_ = QPixmap(imagePath_);
+        if (!customPixmap_.isNull()){
+            customPixmap_ = customPixmap_.scaled(50, 50, Qt::KeepAspectRatio, Qt::SmoothTransformation);
+        }
+    }
 }

button.h

@@ -12,6 +12,12 @@ public:
                QWidget *) override;
     void addMenuActions(QMenu *menu) override;
     void handleMenuAction(QAction *action) override;
+    void setCustomImage(const QString& imagePath);
+    void loadImage();
+
+private:
+    QString imagePath_;
+    QPixmap customPixmap_;
 };
 
 #endif // BUTTON_H

hmi.cpp

@@ -11,7 +11,7 @@
 #include <QVBoxLayout>
 #include "creatitem.h"
 
-HMI::HMI(RegisterManager *regManager, QWidget *parent) :
+HMI::HMI(QWidget *parent) :
     QWidget(parent),
     ui(new Ui::HMI)
 {

hmi.h

@@ -16,7 +16,7 @@ class HMI : public QWidget
     Q_OBJECT
 
 public:
-    explicit HMI(RegisterManager* regManager, QWidget *parent = nullptr);
+    explicit HMI(QWidget *parent = nullptr);
     ~HMI();
     void newPage();
     void createComponents();

light.cpp

@@ -1,6 +1,8 @@
 #include "light.h"
 #include <QPainter>
 #include <QStyleOptionGraphicsItem>
+#include <QMenu>
+#include <QFileDialog>
 
 Light::Light(const QString &type) : Item(type)
 {
@@ -14,35 +16,113 @@ QRectF Light::boundingRect() const
 
 void Light::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *)
 {
-        painter->setRenderHint(QPainter::Antialiasing);
+    painter->setRenderHint(QPainter::Antialiasing);
 
-        if (state()) {
-            painter->setBrush(Qt::green); // 激活状态
+    if (type_ == "指示灯") {
+        if (state() && !onPixmap_.isNull()) {
+            painter->drawPixmap(0, 0, 50, 50, onPixmap_);
+        } else if (!state() && !offPixmap_.isNull()) {
+            painter->drawPixmap(0, 0, 50, 50, offPixmap_);
         } else {
-            painter->setBrush(Qt::white); // 未激活状态
-        }
-        if (type_ == "指示灯") {
+            if (state()) {
+                painter->setBrush(Qt::green); // 激活状态
+            } else {
+                painter->setBrush(Qt::white); // 未激活状态
+            }
             painter->drawEllipse(0,0,50,50);
         }
-        if (!registerId_.isEmpty()) {
-            painter->save();
-            painter->setFont(QFont("Arial", 8));
-            painter->setPen(Qt::black);
-            QString text = QString("%1").arg(registerId());
-            painter->drawText(QRectF(13, 13, 26, 26), Qt::AlignCenter, text);
-            painter->restore();
-        }
-        if (option->state & QStyle::State_Selected) {
-            QPen pen(Qt::DashLine);
-            pen.setColor(Qt::blue);
-            pen.setWidth(2);
-            painter->setPen(pen);
-            painter->setBrush(Qt::NoBrush);
-            painter->drawRect(boundingRect());
-        }
+    }
+    if (!registerId_.isEmpty()) {
+        painter->save();
+        painter->setFont(QFont("Arial", 8));
+        painter->setPen(Qt::black);
+        QString text = QString("%1").arg(registerId());
+        painter->drawText(QRectF(13, 13, 26, 26), Qt::AlignCenter, text);
+        painter->restore();
+    }
+    if (option->state & QStyle::State_Selected) {
+        QPen pen(Qt::DashLine);
+        pen.setColor(Qt::blue);
+        pen.setWidth(2);
+        painter->setPen(pen);
+        painter->setBrush(Qt::NoBrush);
+        painter->drawRect(boundingRect());
+    }
 }
 
 bool Light::state() const
 {
     return registerValue_ > 0;
 }
+
+void Light::addMenuActions(QMenu *menu)
+{
+    menu->addAction("ON外观设置");
+    menu->addAction("OFF外观设置");
+}
+
+void Light::handleMenuAction(QAction *action)
+{
+    if (action->text() == "复制") {
+        emit requestCopy(this);
+    }
+    if (action->text() == "删除") {
+        emit requestDelete(this);
+    }
+    if (action->text() == "对象"){
+        emit requestBindRegister(this);
+    }
+    if (action->text() == "重置"){
+        emit requestReset(this);
+    }
+    if (action->text() == "ON外观设置"){
+        QString fileName = QFileDialog::getOpenFileName(nullptr,
+                                                        "选择图片",
+                                                        "",
+                                                        "图片文件(*.png *.jpg *.bmp)");
+        if (!fileName.isEmpty())
+        {
+            setOnImage(fileName);
+        }
+    }
+    if (action->text() == "OFF外观设置"){
+        QString fileName = QFileDialog::getOpenFileName(nullptr,
+                                                        "选择图片",
+                                                        "",
+                                                        "图片文件(*.png *.jpg *.bmp)");
+        if (!fileName.isEmpty())
+        {
+            setOffImage(fileName);
+        }
+    }
+}
+
+void Light::setOnImage(const QString& imagePath)
+{
+    onImagePath_ = imagePath;
+    loadImage();
+    update();
+}
+
+void Light::setOffImage(const QString &imagePath)
+{
+    offImagePath_ = imagePath;
+    loadImage();
+    update();
+}
+
+void Light::loadImage()
+{
+    if (!onImagePath_.isEmpty()) {
+        onPixmap_ = QPixmap(onImagePath_);
+        if (!onPixmap_.isNull()) {
+            onPixmap_ = onPixmap_.scaled(50, 50, Qt::KeepAspectRatio, Qt::SmoothTransformation);
+        }
+    }
+    if (!offImagePath_.isEmpty()) {
+        offPixmap_ = QPixmap(offImagePath_);
+        if (!offPixmap_.isNull()) {
+            offPixmap_ = offPixmap_.scaled(50, 50, Qt::KeepAspectRatio, Qt::SmoothTransformation);
+        }
+    }
+}

light.h

@@ -11,6 +11,18 @@ public:
                const QStyleOptionGraphicsItem *option,
                QWidget *) override;
     bool state() const override;
+    void addMenuActions(QMenu *menu) override;
+    void handleMenuAction(QAction *action) override;
+    void setCustomImage(const QString& imagePath);
+    void setOnImage(const QString& imagePath);
+    void setOffImage(const QString& imagePath);
+    void loadImage();
+
+private:
+    QString onImagePath_;   // ON状态图片路径
+    QString offImagePath_;  // OFF状态图片路径
+    QPixmap onPixmap_;      // ON状态图片
+    QPixmap offPixmap_;     // OFF状态图片
 };
 
 #endif // LIGHT_H

mainwindow.cpp

@@ -448,7 +448,7 @@ void MainWindow::saveProject()
 
 void MainWindow::connection()
 {
-    modbusManager->connectToDevice("COM1",QSerialPort::BaudRate(9600),QSerialPort::DataBits(8),QSerialPort::EvenParity,QSerialPort::StopBits(1));
+    modbusManager->connectToDevice("COM6",QSerialPort::BaudRate(19200),QSerialPort::DataBits(8),QSerialPort::EvenParity,QSerialPort::StopBits(1));
     modbusManager->startSimulation(1000);
 }