修改按钮移动方式，可实现移动拖拽

IntegratedPlatform/IntegratedPlatform.pro.user

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 4.11.1, 2025-08-05T09:23:15. -->
+<!-- Written by QtCreator 4.11.1, 2025-08-05T21:07:14. -->
 <qtcreator>
  <data>
   <variable>EnvironmentId</variable>
@@ -287,19 +287,19 @@
     </valuelist>
     <value type="int" key="PE.EnvironmentAspect.Base">2</value>
     <valuelist type="QVariantList" key="PE.EnvironmentAspect.Changes"/>
-    <value type="QString" key="ProjectExplorer.CustomExecutableRunConfiguration.Executable"></value>
-    <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ProjectExplorer.CustomExecutableRunConfiguration</value>
-    <value type="QString" key="ProjectExplorer.RunConfiguration.BuildKey"></value>
+    <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">Qt4ProjectManager.Qt4RunConfiguration:C:/Users/admin/Desktop/two/IntegratedPlatform/IntegratedPlatform.pro</value>
+    <value type="QString" key="ProjectExplorer.RunConfiguration.BuildKey">C:/Users/admin/Desktop/two/IntegratedPlatform/IntegratedPlatform.pro</value>
     <value type="QString" key="RunConfiguration.Arguments"></value>
     <value type="bool" key="RunConfiguration.Arguments.multi">false</value>
     <value type="QString" key="RunConfiguration.OverrideDebuggerStartup"></value>
     <value type="bool" key="RunConfiguration.UseCppDebugger">false</value>
     <value type="bool" key="RunConfiguration.UseCppDebuggerAuto">true</value>
+    <value type="bool" key="RunConfiguration.UseLibrarySearchPath">true</value>
     <value type="bool" key="RunConfiguration.UseMultiProcess">false</value>
     <value type="bool" key="RunConfiguration.UseQmlDebugger">false</value>
     <value type="bool" key="RunConfiguration.UseQmlDebuggerAuto">true</value>
     <value type="QString" key="RunConfiguration.WorkingDirectory"></value>
-    <value type="QString" key="RunConfiguration.WorkingDirectory.default"></value>
+    <value type="QString" key="RunConfiguration.WorkingDirectory.default">C:/Users/admin/Desktop/build-IntegratedPlatform-Desktop_Qt_5_14_2_MinGW_32_bit-Debug</value>
    </valuemap>
    <value type="int" key="ProjectExplorer.Target.RunConfigurationCount">1</value>
   </valuemap>

IntegratedPlatform/hmiwidget.cpp

@@ -0,0 +1,90 @@
+#include "hmiwidget.h"
+#include <QGraphicsSceneMouseEvent>
+#include <QCursor>
+
+ResizableRectangle::ResizableRectangle(qreal x, qreal y, qreal w, qreal h)
+    : QGraphicsRectItem(x, y, w, h), resizing(false)
+{
+    setFlag(QGraphicsItem::ItemIsMovable, true);
+    setFlag(QGraphicsItem::ItemIsSelectable, true);
+    setCursor(Qt::ArrowCursor);
+}
+
+void ResizableRectangle::mousePressEvent(QGraphicsSceneMouseEvent *event)
+{
+    // 检查是否在调整区域
+    if (rect().bottomRight().x() - 10 <= event->pos().x() &&
+        rect().bottomRight().y() - 10 <= event->pos().y()) {
+        resizing = true;
+        setCursor(Qt::SizeFDiagCursor);
+    } else {
+        // 传递事件给基类处理移动
+        resizing = false;
+        setCursor(Qt::SizeAllCursor);
+        QGraphicsRectItem::mousePressEvent(event);
+    }
+}
+
+void ResizableRectangle::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
+{
+    if (resizing) {
+        // 调整大小逻辑
+        QRectF newRect = rect();
+        newRect.setBottomRight(event->pos());
+        setRect(newRect);
+    } else {
+        // 传递事件给基类处理移动
+        QGraphicsRectItem::mouseMoveEvent(event);
+    }
+}
+
+void ResizableRectangle::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
+{
+    resizing = false;
+    setCursor(Qt::ArrowCursor);
+    QGraphicsRectItem::mouseReleaseEvent(event);
+}
+
+// -------------------- ResizableEllipse --------------------
+
+ResizableEllipse::ResizableEllipse(qreal x, qreal y, qreal w, qreal h)
+    : QGraphicsEllipseItem(x, y, w, h), resizing2(false)
+{
+    setFlag(QGraphicsItem::ItemIsMovable, true);
+    setFlag(QGraphicsItem::ItemIsSelectable, true);
+    setCursor(Qt::ArrowCursor);
+}
+
+void ResizableEllipse::mousePressEvent(QGraphicsSceneMouseEvent *event)
+{
+    QRectF ellipseRect = rect();
+    if (ellipseRect.bottomRight().x() - 10 <= event->pos().x() &&
+        ellipseRect.bottomRight().y() - 10 <= event->pos().y()) {
+        resizing2 = true;
+        setCursor(Qt::SizeFDiagCursor);
+    } else {
+        // 传递事件给基类处理移动
+        resizing2 = false;
+        setCursor(Qt::SizeAllCursor);
+        QGraphicsEllipseItem::mousePressEvent(event);
+    }
+}
+
+void ResizableEllipse::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
+{
+    if (resizing2) {
+        QRectF newRect = rect();
+        newRect.setBottomRight(event->pos());
+        setRect(newRect);
+    } else {
+        // 传递事件给基类处理移动
+        QGraphicsEllipseItem::mouseMoveEvent(event);
+    }
+}
+
+void ResizableEllipse::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
+{
+    resizing2 = false;
+    setCursor(Qt::ArrowCursor);
+    QGraphicsEllipseItem::mouseReleaseEvent(event);
+}

IntegratedPlatform/hmiwidget.h

@@ -1,4 +1,50 @@
 #ifndef HMIELEMENT_H
 #define HMIELEMENT_H
+#include <QGraphicsRectItem>
+#include <QGraphicsEllipseItem>
+#include <QGraphicsSceneMouseEvent>
+#include <QPen>
+#include <QBrush>
 
+// 自定义矩形类，支持大小调整
+class ResizableRectangle : public QGraphicsRectItem
+{
+public:
+    // 构造函数
+    ResizableRectangle(qreal x, qreal y, qreal w, qreal h);
+
+protected:
+    // 鼠标按下事件
+    void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
+
+    // 鼠标移动事件
+    void mouseMoveEvent(QGraphicsSceneMouseEvent *event) override;
+
+    // 鼠标释放事件
+    void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override;
+
+private:
+    bool resizing;  //是否正在调整大小
+};
+
+// 自定义圆形类，支持大小调整
+class ResizableEllipse : public QGraphicsEllipseItem
+{
+public:
+    // 构造函数
+    ResizableEllipse(qreal x, qreal y, qreal w, qreal h);
+
+protected:
+    // 鼠标按下事件
+    void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
+
+    // 鼠标移动事件
+    void mouseMoveEvent(QGraphicsSceneMouseEvent *event) override;
+
+    // 鼠标释放事件
+    void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override;
+
+private:
+    bool resizing2;  // 是否正在调整大小
+};
 #endif // HMIELEMENT_H

IntegratedPlatform/mainwindow.cpp

@@ -1,5 +1,6 @@
 #include "mainwindow.h"
 #include "ui_mainwindow.h"
+#include"hmiwidget.h"
 
 MainWindow::MainWindow(QWidget *parent)
     : QMainWindow(parent)
@@ -10,14 +11,13 @@ MainWindow::MainWindow(QWidget *parent)
     ui->setupUi(this);
     scene = new QGraphicsScene(this);
     ui->graphicsView_2->setScene(scene);
+
     connect(ui->treeWidget_2, &QTreeWidget::itemClicked, this, &MainWindow::onHmiItemClicked);
     ui-> graphicsView_2->viewport()->installEventFilter(this);
-    addDockWidget(Qt::BottomDockWidgetArea, ui->dockWidget_3);//将dockWidget_3添加到主窗口的下方
 
-    QList<QTreeWidgetItem *> items = ui->treeWidget_2->findItems("指示灯", Qt::MatchExactly);
-    for (QTreeWidgetItem *item : items) {
-        item->setIcon(0, QIcon("C:/Users/admin/Desktop/T-常开触点-01.png"));
-    }
+    addDockWidget(Qt::BottomDockWidgetArea, ui->dockWidget_3);//将dockWidget_3添加到主窗口的下方
+    ui->treeWidget_2->topLevelItem(0)->setIcon(0, QIcon("C:/Users/admin/Desktop/灯泡.png"));
+    ui->treeWidget_2->topLevelItem(1)->setIcon(0, QIcon("C:/Users/admin/Desktop/按钮.png"));
 }
 
 MainWindow::~MainWindow()
@@ -25,7 +25,8 @@ MainWindow::~MainWindow()
     delete ui;
 }
 
-void MainWindow::onHmiItemClicked(QTreeWidgetItem *item){
+void MainWindow::onHmiItemClicked(QTreeWidgetItem *item)
+{
     if (item->text(0) == "指示灯")
     {
         canDrawCircle = true;
@@ -43,29 +44,43 @@ void MainWindow::onHmiItemClicked(QTreeWidgetItem *item){
 }
 bool MainWindow::eventFilter(QObject *obj, QEvent *event)
 {
-    if (obj == ui->graphicsView_2->viewport() && event->type() == QEvent::MouseButtonPress) {
+    // 修正1：使用一致的视图对象名(graphicsView_2)
+    if (obj != ui->graphicsView_2->viewport()) {
+        return false; // 不是我们关心的对象，不处理
+    }
+    // 只处理鼠标按下事件
+    if (event->type() == QEvent::MouseButtonPress) {
         QMouseEvent *mouseEvent = static_cast<QMouseEvent *>(event);
         if (mouseEvent->button() == Qt::LeftButton) {
             // 获取点击的场景坐标
-            if (canDrawCircle)
-            {
-                QPointF scenePos = ui->graphicsView_2->mapToScene(mouseEvent->pos());// 在点击位置绘制一个指示灯
-                scene->addEllipse(scenePos.x(), scenePos.y(), 50, 50, QPen(Qt::black), QBrush(Qt::blue));
-            }
-            else if (canDrawRectangle)
-            {
-                QPointF scenePos = ui->graphicsView_2->mapToScene(mouseEvent->pos());//在点击位置绘制一个按钮
-                scene->addRect(scenePos.x(), scenePos.y(), 50, 50, QPen(Qt::black), QBrush(Qt::blue));
+            QPointF scenePos = ui->graphicsView_2->mapToScene(mouseEvent->pos());
+
+            // 根据标志绘制元素
+            if (canDrawCircle) {
+                ResizableEllipse *circle = new ResizableEllipse(
+                    scenePos.x(), scenePos.y(), 50, 50);
+                circle->setBrush(QBrush(Qt::red)); // 设置指示灯颜色
+                scene->addItem(circle);
             }
-            QTreeWidgetItem *selectedItem = ui->treeWidget_2->currentItem();
-            if (selectedItem)
-            {
-                selectedItem->setSelected(false);//取消选中当前项目
+            else if (canDrawRectangle) {
+                ResizableRectangle *rectangle = new ResizableRectangle(
+                    scenePos.x(), scenePos.y(), 100, 50);
+                rectangle->setBrush(QBrush(Qt::yellow)); // 设置按钮颜色
+                scene->addItem(rectangle);
             }
+
+            // 重置绘制标志
             canDrawCircle = false;
             canDrawRectangle = false;
-            return true;
+
+            // 修正2：使用一致的树控件对象名(treeWidget_2)
+            if (ui->treeWidget_2->currentItem()) {
+                ui->treeWidget_2->currentItem()->setSelected(false);
+            }
+
+            return true; // 事件已处理
         }
-        return QMainWindow::eventFilter(obj, event);
     }
+    // 修正3：正确处理未过滤的事件
+    return QMainWindow::eventFilter(obj, event);
 }

IntegratedPlatform/mainwindow.ui

@@ -52,7 +52,7 @@
           <property name="font">
            <font>
             <family>宋体</family>
-            <pointsize>12</pointsize>
+            <pointsize>16</pointsize>
            </font>
           </property>
           <column>
@@ -110,7 +110,7 @@
           <property name="font">
            <font>
             <family>宋体</family>
-            <pointsize>18</pointsize>
+            <pointsize>16</pointsize>
            </font>
           </property>
           <property name="selectionMode">