HMI模块的多页面编辑

hmi.cpp

@@ -8,6 +8,7 @@
 #include <QDropEvent>
 #include <QGraphicsView>
 #include <QMessageBox>
+#include <QVBoxLayout>
 #include "creatitem.h"
 
 HMI::HMI(QWidget *parent) :
@@ -15,11 +16,9 @@ HMI::HMI(QWidget *parent) :
     ui(new Ui::HMI)
 {
     ui->setupUi(this);
-    /* 1. 场景 */
-    hmi_scene_ = new QGraphicsScene(this);
-    ui->graphicsView->setScene(hmi_scene_);
-    ui->graphicsView->setSceneRect(0, 0, 800, 600);
-    ui->graphicsView->setDragMode(QGraphicsView::RubberBandDrag);
+
+    ui->tabWidget->setTabsClosable(true);
+    ui->tabWidget->setMovable(true);
 
     /* 2. 列表 */
     ui->listWidget->setViewMode(QListView::IconMode);
@@ -27,16 +26,53 @@ HMI::HMI(QWidget *parent) :
     ui->listWidget->setDragEnabled(false);
     ui->listWidget->viewport()->installEventFilter(this);
 
+    // 创建初始页面
+    newPage();
+    
     /* 3. 填充列表 */
     createComponents();
     connect(ui->listWidget,&QListWidget::currentTextChanged,this,&HMI::onListwidgetCurrenttextchanged);
+
+    // 连接标签页信号
+//    connect(ui->tabWidget, &QTabWidget::currentChanged, this, &HMI::onTabChanged);
+    connect(ui->tabWidget, &QTabWidget::tabCloseRequested, [this](int index) {
+        if (scenes.size() > 1) {
+            delete scenes.takeAt(index);
+            delete views.takeAt(index);
+            ui->tabWidget->removeTab(index);
+        } else {
+            QMessageBox::information(this, "提示", "至少保留一个页面");
+        }
+    });
 }
 
 HMI::~HMI()
 {
+    qDeleteAll(scenes);
+    qDeleteAll(views);
     delete ui;
 }
 
+void HMI::newPage()
+{
+    // 创建新场景
+    QGraphicsScene* newScene = new QGraphicsScene(this);
+    
+    // 创建新视图
+    MyGraphicsView* newView = new MyGraphicsView(ui->tabWidget);
+    newView->setScene(newScene);
+    newView->setSceneRect(0, 0, 800, 600);
+    newView->setDragMode(QGraphicsView::RubberBandDrag);
+    
+    // 添加到标签页
+    int newIndex = ui->tabWidget->addTab(newView, QString("页面 %1").arg(scenes.size() + 1));
+    ui->tabWidget->setCurrentIndex(newIndex);
+    
+    // 保存场景和视图
+    scenes.append(newScene);
+    views.append(newView);
+}
+
 bool HMI::eventFilter(QObject *obj, QEvent *event)
 {
     if (obj == ui->listWidget->viewport()) {
@@ -102,32 +138,43 @@ void HMI::createComponents()
 
 void HMI::clearScene()
 {
-    hmi_scene_->clear();
+    if (currentPageIndex() >= 0 && currentPageIndex() < scenes.size()) {
+        scenes[currentPageIndex()]->clear();
+    }
 }
 
-void HMI::applyProjectToScene(const Project& proj)
+int HMI::currentPageIndex() const
 {
-    clearScene();
+    return ui->tabWidget->currentIndex();
+}
+
+void HMI::applyProjectToScene(const Project& proj, int pageIndex)
+{
+    if (pageIndex < 0 || pageIndex >= scenes.size())
+        return;
+
+    scenes[pageIndex]->clear();
     QVector<Item*> itemObjs;
     for (const auto& d : proj.items_) {
         Item* item = creatItem(d.type);
         if (!item) continue;
         item->setPos(d.x, d.y);
         item->setRegisterId(d.registerId);
-        connect(item, &Item::requestCopy, ui->graphicsView, &MyGraphicsView::onItemRequestCopy);
-        connect(item, &Item::requestDelete, ui->graphicsView, &MyGraphicsView::onItemRequestDelete);
-        connect(item, &Item::requestBindRegister, ui->graphicsView, &MyGraphicsView::onItemRequestBindRegister);
-        hmi_scene_->addItem(item);
+        connect(item, &Item::requestCopy, views[pageIndex], &MyGraphicsView::onItemRequestCopy);
+        connect(item, &Item::requestDelete, views[pageIndex], &MyGraphicsView::onItemRequestDelete);
+        connect(item, &Item::requestBindRegister, views[pageIndex], &MyGraphicsView::onItemRequestBindRegister);
+        scenes[pageIndex]->addItem(item);
         itemObjs.append(item);
     }
 }
 
-void HMI::extractSceneToProject(Project& proj)
+void HMI::extractSceneToProject(Project& proj, int pageIndex)
 {
+    if (pageIndex < 0 || pageIndex >= scenes.size()) return;
     proj.clear();
     QList<Item*> items;
-    for (QGraphicsItem* gi : hmi_scene_->items()) {
-        if (Item* it = dynamic_cast<Item*>(gi)) {
+    for (QGraphicsItem* gi : scenes[pageIndex]->items()){
+        if (Item* it = dynamic_cast<Item*>(gi)){
             items.append(it);
         }
     }
@@ -139,7 +186,7 @@ void HMI::extractSceneToProject(Project& proj)
         d.registerId = it->registerId();
         proj.items_.append(d);
     }
-    for (QGraphicsItem* gi : hmi_scene_->items()) {
+    for (QGraphicsItem* gi : scenes[pageIndex]->items()) {
         if (Connection* conn = dynamic_cast<Connection*>(gi)) {
             int fromIdx = items.indexOf(conn->from_);
             int toIdx = items.indexOf(conn->to_);

hmi.h

@@ -4,6 +4,7 @@
 #include <QGraphicsScene>
 #include <QWidget>
 #include <project.h>
+#include "mygraphicsview.h"
 
 namespace Ui {
 class HMI;
@@ -16,11 +17,13 @@ class HMI : public QWidget
 public:
     explicit HMI(QWidget *parent = nullptr);
     ~HMI();
+    void newPage();
     void createComponents();
 
     void clearScene();
-    void applyProjectToScene(const Project& proj);
-    void extractSceneToProject(Project& proj);
+    void applyProjectToScene(const Project& proj, int pageIndex = 0); // 添加页面索引参数
+    void extractSceneToProject(Project& proj, int pageIndex = 0); // 添加页面索引参数
+    int currentPageIndex() const; // 获取当前页面索引
 
 protected:
     bool eventFilter(QObject *obj, QEvent *event) override;
@@ -30,7 +33,8 @@ private slots:
 
 private:
     Ui::HMI *ui;
-    QGraphicsScene *hmi_scene_;
+    QList<QGraphicsScene*> scenes; // 存储多个场景
+    QList<MyGraphicsView*> views; // 存储多个视图
     QString selectedComponentType;
 };
 

hmi.ui

@@ -19,7 +19,7 @@
      <x>10</x>
      <y>30</y>
      <width>171</width>
-     <height>451</height>
+     <height>431</height>
     </rect>
    </property>
   </widget>
@@ -29,44 +29,14 @@
      <x>190</x>
      <y>10</y>
      <width>781</width>
-     <height>481</height>
+     <height>451</height>
     </rect>
    </property>
    <property name="currentIndex">
-    <number>0</number>
+    <number>-1</number>
    </property>
-   <widget class="QWidget" name="tab">
-    <attribute name="title">
-     <string>Tab 1</string>
-    </attribute>
-    <widget class="MyGraphicsView" name="graphicsView">
-     <property name="geometry">
-      <rect>
-       <x>0</x>
-       <y>0</y>
-       <width>761</width>
-       <height>451</height>
-      </rect>
-     </property>
-     <property name="dragMode">
-      <enum>QGraphicsView::NoDrag</enum>
-     </property>
-    </widget>
-   </widget>
-   <widget class="QWidget" name="tab_2">
-    <attribute name="title">
-     <string>Tab 2</string>
-    </attribute>
-   </widget>
   </widget>
  </widget>
- <customwidgets>
-  <customwidget>
-   <class>MyGraphicsView</class>
-   <extends>QGraphicsView</extends>
-   <header>mygraphicsview.h</header>
-  </customwidget>
- </customwidgets>
  <resources/>
  <connections/>
 </ui>

mainwindow.cpp

@@ -35,7 +35,7 @@ MainWindow::MainWindow(QWidget *parent)
     connect(ui->action_disconnect, &QAction::triggered, this, &MainWindow::disconnection);
 
     connect(modbusManager, &ModbusManager::connectionStatusChanged,
-            plc_, &PLC::updateConnectionStatus);
+            this, &MainWindow::updateConnectionStatus);
 
 
     plc_->applyProjectToScene(plcProject_); // 初始空
@@ -71,9 +71,11 @@ void MainWindow::newProject()
         plc_->clearScene();
         setWindowTitle("未命名项目 - PLC编辑器");
     } else {
-        hmiProject_.clear();
+        hmi_->newPage();
+        hmiProject_.clear(); // 清除项目数据
         hmiFilePath_.clear();
-        hmi_->clearScene();
+
+        // 更新窗口标题
         setWindowTitle("未命名项目 - HMI编辑器");
     }
 }
@@ -99,14 +101,20 @@ void MainWindow::openProject()
     {
         QString filePath = QFileDialog::getOpenFileName(this, "打开项目", "", "项目文件 (*.hmiproj)");
         if (filePath.isEmpty()) return;
-        if (hmiProject_.loadFromFile(filePath))
-        {
+
+        Project newProject;
+        if (newProject.loadFromFile(filePath)) {
+            // 创建新页面
+            hmi_->newPage();
+
+            // 应用项目到新页面
+            int newPageIndex = hmi_->currentPageIndex();
+            hmi_->applyProjectToScene(newProject, newPageIndex);
+
+            // 保存文件路径
             hmiFilePath_ = filePath;
-            hmi_->applyProjectToScene(hmiProject_);
             setWindowTitle(QFileInfo(hmiFilePath_).fileName() + " - HMI编辑器");
-        }
-        else
-        {
+        } else {
             QMessageBox::critical(this, "错误", "无法打开HMI项目文件");
         }
     }
@@ -134,7 +142,10 @@ void MainWindow::saveProject()
                 filePath += ".hmiproj";
             hmiFilePath_ = filePath;
         }
-        hmi_->extractSceneToProject(hmiProject_);
+
+        // 从当前页面提取项目
+        hmi_->extractSceneToProject(hmiProject_, hmi_->currentPageIndex());
+
         if (!hmiProject_.saveToFile(hmiFilePath_)) {
             QMessageBox::critical(this, "错误", "保存项目失败");
         }
@@ -152,3 +163,15 @@ void MainWindow::disconnection()
     modbusManager->disconnectDevice();
     modbusManager->stopSimulation();
 }
+
+void MainWindow::updateConnectionStatus(bool connection)
+{
+    if (connection)
+    {
+        ui->textEdit->append("连接");
+    }
+    else
+    {
+        ui->textEdit->append("断开");
+    }
+}

mainwindow.h

@@ -28,6 +28,7 @@ private slots:
     void saveProject();
     void connection();
     void disconnection();
+    void updateConnectionStatus(bool connection);
 
 private:
     Ui::MainWindow *ui;

mainwindow.ui

@@ -20,7 +20,17 @@
       <x>10</x>
       <y>0</y>
       <width>981</width>
-      <height>561</height>
+      <height>511</height>
+     </rect>
+    </property>
+   </widget>
+   <widget class="QTextEdit" name="textEdit">
+    <property name="geometry">
+     <rect>
+      <x>20</x>
+      <y>470</y>
+      <width>951</width>
+      <height>141</height>
      </rect>
     </property>
    </widget>

plc.cpp

@@ -237,14 +237,14 @@ void PLC::btnInsertClicked()
        ui->graphicsView->scene()->addItem(c2);
 }
 
-void PLC::updateConnectionStatus(bool connection)
-{
-    if (connection)
-    {
-        ui->textEdit->append("连接");
-    }
-    else
-    {
-        ui->textEdit->append("断开");
-    }
-}
+//void PLC::updateConnectionStatus(bool connection)
+//{
+//    if (connection)
+//    {
+//        ui->textEdit->append("连接");
+//    }
+//    else
+//    {
+//        ui->textEdit->append("断开");
+//    }
+//}

plc.h

@@ -30,7 +30,7 @@ public slots:
     void onListwidgetCurrenttextchanged(const QString &currentText);
     void btnInsertClicked();
 
-    void updateConnectionStatus(bool connection);
+//    void updateConnectionStatus(bool connection);
 
 private:
     Ui::PLC *ui;

plc.ui

@@ -19,7 +19,7 @@
      <x>10</x>
      <y>30</y>
      <width>171</width>
-     <height>401</height>
+     <height>431</height>
     </rect>
    </property>
   </widget>
@@ -29,7 +29,7 @@
      <x>200</x>
      <y>30</y>
      <width>761</width>
-     <height>401</height>
+     <height>431</height>
     </rect>
    </property>
    <property name="dragMode">
@@ -49,16 +49,6 @@
     <string>插入</string>
    </property>
   </widget>
-  <widget class="QTextEdit" name="textEdit">
-   <property name="geometry">
-    <rect>
-     <x>10</x>
-     <y>440</y>
-     <width>951</width>
-     <height>87</height>
-    </rect>
-   </property>
-  </widget>
  </widget>
  <customwidgets>
   <customwidget>