Merge branch 'new_osg' of http://brigecode.icu:16623/PM/DYTSrouce into new_osg

src/translations/Dyt_zh_CN.ts

@@ -573,22 +573,22 @@
 <context>
     <name>AddParamSetting</name>
     <message>
-        <location filename="../ui/Layout/AddParamSetting.cpp" line="67"/>
+        <location filename="../ui/Layout/AddParamSetting.cpp" line="69"/>
         <source>ParamSetting</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../ui/Layout/AddParamSetting.cpp" line="110"/>
+        <location filename="../ui/Layout/AddParamSetting.cpp" line="112"/>
         <source>param</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../ui/Layout/AddParamSetting.cpp" line="117"/>
+        <location filename="../ui/Layout/AddParamSetting.cpp" line="119"/>
         <source>input param descript</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../ui/Layout/AddParamSetting.cpp" line="170"/>
+        <location filename="../ui/Layout/AddParamSetting.cpp" line="172"/>
         <source>input value</source>
         <translation type="unfinished"></translation>
     </message>
@@ -641,17 +641,17 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../ui/Layout/AddParamSetting.ui" line="78"/>
+        <location filename="../ui/Layout/AddParamSetting.ui" line="91"/>
         <source>添加</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../ui/Layout/AddParamSetting.ui" line="91"/>
+        <location filename="../ui/Layout/AddParamSetting.ui" line="104"/>
         <source>删除</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../ui/Layout/AddParamSetting.ui" line="104"/>
+        <location filename="../ui/Layout/AddParamSetting.ui" line="117"/>
         <source>应用</source>
         <translation type="unfinished"></translation>
     </message>
@@ -1589,135 +1589,25 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../ui/MainWindow.cpp" line="60"/>
+        <location filename="../ui/MainWindow.cpp" line="61"/>
         <source>model elements</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../ui/MainWindow.cpp" line="68"/>
+        <location filename="../ui/MainWindow.cpp" line="70"/>
+        <source>preset models</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../ui/MainWindow.cpp" line="77"/>
         <source>attribte</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../ui/MainWindow.cpp" line="83"/>
+        <location filename="../ui/MainWindow.cpp" line="92"/>
         <source>Main View</source>
         <translation type="unfinished"></translation>
     </message>
-    <message>
-        <location filename="../ui/MainWindow.cpp" line="117"/>
-        <source>Wave Curve</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../ui/MainWindow.cpp" line="126"/>
-        <source>Speed Curve</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../ui/MainWindow.cpp" line="139"/>
-        <source>3D Curve</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../ui/MainWindow.cpp" line="155"/>
-        <source>Target number</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../ui/MainWindow.cpp" line="155"/>
-        <source>Signal-to-noise ratio</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../ui/MainWindow.cpp" line="156"/>
-        <source>Azimuth line of sight</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../ui/MainWindow.cpp" line="156"/>
-        <source>Pitch gaze angle</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../ui/MainWindow.cpp" line="157"/>
-        <source>azimuth</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../ui/MainWindow.cpp" line="157"/>
-        <source>Pitch angle</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../ui/MainWindow.cpp" line="158"/>
-        <source>attribute</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../ui/MainWindow.cpp" line="158"/>
-        <source>Doppler</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../ui/MainWindow.cpp" line="159"/>
-        <source>course</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../ui/MainWindow.cpp" line="159"/>
-        <source>Speed</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../ui/MainWindow.cpp" line="160"/>
-        <source>longitude</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../ui/MainWindow.cpp" line="160"/>
-        <source>latitude</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../ui/MainWindow.cpp" line="161"/>
-        <source>distance</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../ui/MainWindow.cpp" line="161"/>
-        <source>velocity</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../ui/MainWindow.cpp" line="162"/>
-        <source>Radial dimensions</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../ui/MainWindow.cpp" line="162"/>
-        <source>Target RCS</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../ui/MainWindow.cpp" line="168"/>
-        <source>Report Table</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../ui/MainWindow.cpp" line="181"/>
-        <source>Signal Indicator Lamp</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../ui/MainWindow.cpp" line="192"/>
-        <source>ParamSetting</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../ui/MainWindow.cpp" line="201"/>
-        <source>bat File</source>
-        <translation type="unfinished"></translation>
-    </message>
 </context>
 <context>
     <name>ModelTreeWidget</name>
@@ -1785,12 +1675,12 @@
 <context>
     <name>OsgWidget</name>
     <message>
-        <location filename="../viewer/OsgWidget.cpp" line="115"/>
+        <location filename="../viewer/OsgWidget.cpp" line="122"/>
         <source>warning</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../viewer/OsgWidget.cpp" line="116"/>
+        <location filename="../viewer/OsgWidget.cpp" line="123"/>
         <source>open dyt file failed</source>
         <translation type="unfinished"></translation>
     </message>
@@ -1884,6 +1774,29 @@
         <translation type="unfinished"></translation>
     </message>
 </context>
+<context>
+    <name>PresetModelPanel</name>
+    <message>
+        <location filename="../ui/PresetModelPanel.cpp" line="57"/>
+        <source>Ships</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../ui/PresetModelPanel.cpp" line="58"/>
+        <source>Satellites</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../ui/PresetModelPanel.cpp" line="59"/>
+        <source>Missiles</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../ui/PresetModelPanel.cpp" line="60"/>
+        <source>Jammers</source>
+        <translation type="unfinished"></translation>
+    </message>
+</context>
 <context>
     <name>PropertyBrowser</name>
     <message>
@@ -2850,25 +2763,32 @@
 <context>
     <name>SimuRunMenu</name>
     <message>
-        <location filename="../ui/Menu/SimuRunMenu.cpp" line="55"/>
+        <location filename="../ui/Menu/SimuRunMenu.cpp" line="50"/>
         <source>no workspace</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../ui/Menu/SimuRunMenu.cpp" line="65"/>
+        <location filename="../ui/Menu/SimuRunMenu.cpp" line="64"/>
         <source>no commands</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../ui/Menu/SimuRunMenu.cpp" line="72"/>
+        <location filename="../ui/Menu/SimuRunMenu.cpp" line="74"/>
         <source>Commands</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../ui/Menu/SimuRunMenu.cpp" line="87"/>
+        <location filename="../ui/Menu/SimuRunMenu.cpp" line="93"/>
         <source>unnamed</source>
         <translation type="unfinished"></translation>
     </message>
+    <message>
+        <location filename="../ui/Menu/SimuRunMenu.cpp" line="125"/>
+        <location filename="../ui/Menu/SimuRunMenu.cpp" line="127"/>
+        <location filename="../ui/Menu/SimuRunMenu.cpp" line="187"/>
+        <source>MatlabParam</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
     <name>SimuRunMenuClass</name>

src/ui/MainWindow.cpp

@@ -5,6 +5,7 @@
 
 #include "PropertyBrowser.h"
 #include "ModelBrowser.h"
+#include "PresetModelPanel.h"
 #include "DockWidget.h"
 
 #include "viewer/QtOsgViewWidget.h"
@@ -65,6 +66,14 @@ void MainWindow::InitUI() {
     modelBrowser_->AttachDock(model);
     m_mapDockWidget.insert("ModelBrowser", model);
 
+    // 创建预制模型面板
+    DockWidget* presetModel = new DockWidget(tr("preset models"), 0);
+    presetModel->SetDockWidgetTitleBar(new DockTitleBar(presetModel));
+    presetModel->setObjectName("Dock.PresetModelPanel");
+    presetModelPanel_ = new PresetModelPanel(0);
+    presetModelPanel_->AttachDock(presetModel);
+    m_mapDockWidget.insert("PresetModelPanel", presetModel);
+
     DockWidget* attribte = new DockWidget(tr("attribte"), 0);
     attribte->SetDockWidgetTitleBar(new DockTitleBar(attribte));
     attribte->setObjectName("Dock.PropertyBrowser");
@@ -88,8 +97,12 @@ void MainWindow::InitUI() {
     m_mapDockWidget.insert("MainView", viewDock);
 
     addDockWidget(Qt::LeftDockWidgetArea, model);
+    addDockWidget(Qt::LeftDockWidgetArea, presetModel);
     splitDockWidget(model, viewDock, Qt::Horizontal);
     
+    // 将预制模型面板与模型浏览器标签化
+    tabifyDockWidget(model, presetModel);
+
     QString wavePath ="", speedPath = "", rdPath = "", matlabParam="";
     if (WorkSpaceManager::Get().GetCurrent())
     {

src/ui/MainWindow.h

@@ -25,6 +25,9 @@ public:
     class ModelBrowser* GetModelBrowser() const {
         return modelBrowser_;
     }
+    class PresetModelPanel* GetPresetModelPanel() const {
+        return presetModelPanel_;
+    }
     class OsgWidget* GetViewWidget() const {
         return qtOsgViewWidget_;
     }
@@ -58,6 +61,7 @@ private:
     Ui::MainWindow* ui;
 
     class ModelBrowser* modelBrowser_{ nullptr };
+    class PresetModelPanel* presetModelPanel_{ nullptr };
     class PropertyBrowser* propertyBrowser_{ nullptr };
     class QWebEngineView* webEngineView_{ nullptr };
     class OsgWidget* qtOsgViewWidget_{ nullptr };

src/ui/PresetModelPanel.cpp

@@ -0,0 +1,238 @@
+#include "PresetModelPanel.h"
+#include "DockTitleBar.h"
+#include "DockWidget.h"
+
+#include <QApplication>
+#include <QDebug>
+#include <QListWidgetItem>
+#include <QMimeData>
+#include <QDrag>
+#include <QPixmap>
+#include <QPainter>
+#include <QVBoxLayout>
+#include <QHBoxLayout>
+#include <QLabel>
+#include <QIcon>
+#include <QMouseEvent>
+
+PresetModelPanel::PresetModelPanel(QWidget *parent)
+    : QWidget(parent)
+    , toolBox_(nullptr)
+    , mainLayout_(nullptr)
+    , shipList_(nullptr)
+    , satelliteList_(nullptr)
+    , missileList_(nullptr)
+    , jammerList_(nullptr)
+{
+    InitUI();
+}
+
+PresetModelPanel::~PresetModelPanel()
+{
+}
+
+void PresetModelPanel::AttachDock(DockWidget* dockWidget)
+{
+    if (nullptr == dockWidget) {
+        qDebug() << __FUNCTION__ << "dockwidget is nullptr";
+        return;
+    }
+
+    dockWidget->SetDockWidgetTitleBar(nullptr);
+    dockWidget->setWidget(this);
+
+    DockTitleBar* dockTitleBar = new DockTitleBar;
+    dockWidget->SetDockWidgetTitleBar(dockTitleBar);
+}
+
+void PresetModelPanel::InitUI()
+{
+    mainLayout_ = new QVBoxLayout(this);
+    mainLayout_->setContentsMargins(5, 5, 5, 5);
+    mainLayout_->setSpacing(5);
+
+    toolBox_ = new QToolBox(this);
+    toolBox_->setObjectName("PresetModelToolBox");
+    
+    toolBox_->addItem(CreateShipPage(), QIcon(), tr("Ships"));
+    toolBox_->addItem(CreateSatellitePage(), QIcon(), tr("Satellites"));
+    toolBox_->addItem(CreateMissilePage(), QIcon(), tr("Missiles"));
+    toolBox_->addItem(CreateJammerPage(), QIcon(), tr("Jammers"));
+    
+    mainLayout_->addWidget(toolBox_);
+    
+    setLayout(mainLayout_);
+}
+
+QWidget* PresetModelPanel::CreateShipPage()
+{
+    QWidget* page = new QWidget;
+    QVBoxLayout* layout = new QVBoxLayout(page);
+    
+    QStringList shipModels = {
+        "Destroyer",
+        "Aircraft Carrier",
+        "Frigate",
+        "Submarine"
+    };
+    
+    shipList_ = CreateModelList(page, "Ship", shipModels);
+    layout->addWidget(shipList_);
+    
+    return page;
+}
+
+QWidget* PresetModelPanel::CreateSatellitePage()
+{
+    QWidget* page = new QWidget;
+    QVBoxLayout* layout = new QVBoxLayout(page);
+    
+    QStringList satelliteModels = {
+        "Geostationary Satellite",
+        "Communication Satellite",
+        "Weather Satellite",
+        "Navigation Satellite"
+    };
+    
+    satelliteList_ = CreateModelList(page, "Satellite", satelliteModels);
+    layout->addWidget(satelliteList_);
+    
+    return page;
+}
+
+QWidget* PresetModelPanel::CreateMissilePage()
+{
+    QWidget* page = new QWidget;
+    QVBoxLayout* layout = new QVBoxLayout(page);
+    
+    QStringList missileModels = {
+        "Hypersonic Missile",
+        "Cruise Missile",
+        "Ballistic Missile",
+        "Anti-Ship Missile"
+    };
+    
+    missileList_ = CreateModelList(page, "Missile", missileModels);
+    layout->addWidget(missileList_);
+    
+    return page;
+}
+
+QWidget* PresetModelPanel::CreateJammerPage()
+{
+    QWidget* page = new QWidget;
+    QVBoxLayout* layout = new QVBoxLayout(page);
+    
+    QStringList jammerModels = {
+        "Passive Jammer",
+        "Active Jammer",
+        "Electronic Warfare Pod",
+        "Decoy System"
+    };
+    
+    jammerList_ = CreateModelList(page, "Jammer", jammerModels);
+    layout->addWidget(jammerList_);
+    
+    return page;
+}
+
+QListWidget* PresetModelPanel::CreateModelList(QWidget* parent, const QString& modelType, const QStringList& models)
+{
+    DraggableListWidget* listWidget = new DraggableListWidget(modelType, parent);
+    
+    listWidget->setDragDropMode(QAbstractItemView::DragOnly);
+    listWidget->setDefaultDropAction(Qt::CopyAction);
+    
+    for (const QString& model : models) {
+        QListWidgetItem* item = new QListWidgetItem(model);
+        item->setFlags(item->flags() | Qt::ItemIsDragEnabled);
+        
+        if (modelType == "Ship") {
+            item->setIcon(QIcon(":/icons/ship.png"));
+        } else if (modelType == "Satellite") {
+            item->setIcon(QIcon(":/icons/satellite.png"));
+        } else if (modelType == "Missile") {
+            item->setIcon(QIcon(":/icons/missile.png"));
+        } else if (modelType == "Jammer") {
+            item->setIcon(QIcon(":/icons/jammer.png"));
+        }
+        
+        listWidget->addItem(item);
+    }
+    
+    connect(listWidget, &QListWidget::itemDoubleClicked, this, &PresetModelPanel::OnModelItemDoubleClicked);
+    
+    return listWidget;
+}
+
+void PresetModelPanel::SetupDragAndDrop(QListWidget* listWidget)
+{
+    listWidget->setDragDropMode(QAbstractItemView::DragOnly);
+    listWidget->setDefaultDropAction(Qt::CopyAction);
+}
+
+void PresetModelPanel::OnModelItemDoubleClicked(QListWidgetItem* item)
+{
+    if (!item) return;
+    
+    QListWidget* listWidget = item->listWidget();
+    if (!listWidget) return;
+    
+    QString modelType = listWidget->property("modelType").toString();
+    QString modelName = item->text();
+    
+    emit ModelDropped(modelType, modelName);
+}
+
+// DraggableListWidget implementation
+DraggableListWidget::DraggableListWidget(const QString& modelType, QWidget* parent)
+    : QListWidget(parent), modelType_(modelType)
+{
+    setProperty("modelType", modelType);
+}
+
+void DraggableListWidget::mousePressEvent(QMouseEvent* event)
+{
+    if (event->button() == Qt::LeftButton) {
+        dragStartPosition_ = event->pos();
+    }
+    QListWidget::mousePressEvent(event);
+}
+
+void DraggableListWidget::mouseMoveEvent(QMouseEvent* event) {
+    if (!(event->buttons() & Qt::LeftButton)) {
+        return;
+    }
+    
+    if ((event->pos() - dragStartPosition_).manhattanLength() < QApplication::startDragDistance()) {
+        return;
+    }
+    
+    QListWidgetItem* item = itemAt(dragStartPosition_);
+    if (!item) {
+        return;
+    }
+    
+    QDrag* drag = new QDrag(this);
+    QMimeData* mimeData = new QMimeData;
+    
+    QString modelType = this->property("modelType").toString();
+    QString modelName = item->text();
+    QString dragData = QString("%1|%2").arg(modelType, modelName);
+    
+    mimeData->setData("application/x-preset-model", dragData.toUtf8());
+    drag->setMimeData(mimeData);
+    
+    QPixmap pixmap(item->icon().pixmap(32, 32));
+    if (pixmap.isNull()) {
+        pixmap = QPixmap(100, 30);
+        pixmap.fill(Qt::transparent);
+        QPainter painter(&pixmap);
+        painter.setPen(Qt::black);
+        painter.drawText(pixmap.rect(), Qt::AlignCenter, modelName);
+    }
+    drag->setPixmap(pixmap);
+    
+    Qt::DropAction dropAction = drag->exec(Qt::CopyAction);
+    Q_UNUSED(dropAction);
+}

src/ui/PresetModelPanel.h

@@ -0,0 +1,128 @@
+#pragma once
+
+#include <QWidget>
+#include <QToolBox>
+#include <QListWidget>
+#include <QVBoxLayout>
+#include <QHBoxLayout>
+#include <QLabel>
+#include <QPushButton>
+#include <QMimeData>
+#include <QDrag>
+#include <QMouseEvent>
+
+class DockWidget;
+
+/**
+ * @brief Preset model panel class
+ * 
+ * Provides preset 3D models for users to drag into the 3D scene, including:
+ * - Ships: Destroyer, Aircraft Carrier
+ * - Satellites: Geostationary Satellites
+ * - Missiles: Hypersonic Missiles
+ * - Jammers: Passive Jammers, Active Jammers
+ */
+class PresetModelPanel : public QWidget {
+    Q_OBJECT
+
+public:
+    explicit PresetModelPanel(QWidget *parent = nullptr);
+    ~PresetModelPanel() override;
+    
+    /**
+     * @brief Attach to dock widget
+     * @param dockWidget Dock widget pointer
+     */
+    void AttachDock(DockWidget* dockWidget);
+
+Q_SIGNALS:
+    /**
+     * @brief Signal emitted when model is dragged to scene
+     * @param modelType Model type
+     * @param modelName Model name
+     * @param position Scene position (optional)
+     */
+    void ModelDropped(const QString& modelType, const QString& modelName, const QPointF& position = QPointF());
+
+private slots:
+    /**
+     * @brief Handle model item double click event
+     * @param item Clicked item
+     */
+    void OnModelItemDoubleClicked(QListWidgetItem* item);
+
+private:
+    /**
+     * @brief Initialize user interface
+     */
+    void InitUI();
+    
+    /**
+     * @brief Create ship category page
+     * @return Ship page widget
+     */
+    QWidget* CreateShipPage();
+    
+    /**
+     * @brief Create satellite category page
+     * @return Satellite page widget
+     */
+    QWidget* CreateSatellitePage();
+    
+    /**
+     * @brief Create missile category page
+     * @return Missile page widget
+     */
+    QWidget* CreateMissilePage();
+    
+    /**
+     * @brief Create jammer category page
+     * @return Jammer page widget
+     */
+    QWidget* CreateJammerPage();
+    
+    /**
+     * @brief Create model list items
+     * @param parent Parent widget
+     * @param modelType Model type
+     * @param models Model name list
+     * @return Configured QListWidget
+     */
+    QListWidget* CreateModelList(QWidget* parent, const QString& modelType, const QStringList& models);
+    
+    /**
+     * @brief Setup drag and drop functionality
+     * @param listWidget List widget to setup drag and drop
+     */
+    void SetupDragAndDrop(QListWidget* listWidget);
+
+private:
+    QToolBox* toolBox_;
+    QVBoxLayout* mainLayout_;
+    
+    QListWidget* shipList_;
+    QListWidget* satelliteList_;
+    QListWidget* missileList_;
+    QListWidget* jammerList_;
+};
+
+/**
+ * @brief Custom list widget with drag and drop support
+ */
+class DraggableListWidget : public QListWidget {
+    Q_OBJECT
+
+public:
+    explicit DraggableListWidget(const QString& modelType, QWidget* parent = nullptr);
+
+Q_SIGNALS:
+    void ItemDragged(const QString& modelType, const QString& modelName);
+
+protected:
+    void mousePressEvent(QMouseEvent* event) override;
+    void mouseMoveEvent(QMouseEvent* event) override;
+
+private:
+    QString modelType_;
+    QPoint dragStartPosition_;
+};

src/viewer/OsgWidget.cpp

@@ -5,6 +5,10 @@
 #include <QGridLayout>
 #include <QMessageBox>
 #include <QScreen>
+#include <QDragEnterEvent>
+#include <QDropEvent>
+#include <QMimeData>
+#include <QDebug>
 #include <osgDB/ReadFile>
 #include <osgEarthUtil/EarthManipulator>
 
@@ -44,6 +48,9 @@ OsgWidget::OsgWidget(QWidget* parent, Qt::WindowFlags f)
     setMouseTracking(true);
     setKeyEventSetsDone(0);
     
+    // 启用拖拽接收
+    setAcceptDrops(true);
+    
     connect( &timer_, SIGNAL(timeout()), this, SLOT(update()) );
     timer_.start( 10 );
 
@@ -183,3 +190,59 @@ void OsgWidget::paintEvent(QPaintEvent*) {
     frame();
 }
 
+void OsgWidget::dragEnterEvent(QDragEnterEvent* event) {
+    // 检查是否是预制模型拖拽
+    if (event->mimeData()->hasFormat("application/x-preset-model")) {
+        event->acceptProposedAction();
+    } else {
+        event->ignore();
+    }
+}
+
+void OsgWidget::dragMoveEvent(QDragMoveEvent* event) {
+    // 检查是否是预制模型拖拽
+    if (event->mimeData()->hasFormat("application/x-preset-model")) {
+        event->acceptProposedAction();
+    } else {
+        event->ignore();
+    }
+}
+
+void OsgWidget::dropEvent(QDropEvent* event) {
+    // 检查是否是预制模型拖拽
+    if (event->mimeData()->hasFormat("application/x-preset-model")) {
+        QByteArray data = event->mimeData()->data("application/x-preset-model");
+        QString modelInfo = QString::fromUtf8(data);
+        
+        // 解析模型信息 (格式: "modelType|modelName")
+        QStringList parts = modelInfo.split("|");
+        if (parts.size() == 2) {
+            QString modelType = parts[0];
+            QString modelName = parts[1];
+            
+            // 获取拖拽位置
+            QPointF position = event->posF();
+            
+            // 处理预制模型拖拽
+            OnPresetModelDropped(modelType, modelName, position);
+            
+            event->acceptProposedAction();
+        } else {
+            event->ignore();
+        }
+    } else {
+        event->ignore();
+    }
+}
+
+void OsgWidget::OnPresetModelDropped(const QString& modelType, const QString& modelName, const QPointF& position) {
+    // TODO: 实现预制模型拖拽处理逻辑
+    // 1. 将屏幕坐标转换为世界坐标
+    // 2. 创建对应的Entity和MeshComponent
+    // 3. 添加到场景中
+    
+    qDebug() << "预制模型拖拽:" << modelType << modelName << "位置:" << position;
+    
+    // 这里暂时只是输出调试信息，后续需要集成实体系统
+}
+

src/viewer/OsgWidget.h

@@ -29,6 +29,20 @@ protected:
     void resizeEvent(QResizeEvent* event) override;
     void paintEvent( QPaintEvent* /*event*/ ) override;
     
+    // 拖拽事件处理
+    void dragEnterEvent(QDragEnterEvent* event) override;
+    void dragMoveEvent(QDragMoveEvent* event) override;
+    void dropEvent(QDropEvent* event) override;
+
+public slots:
+    /**
+     * @brief 处理预制模型拖拽
+     * @param modelType 模型类型
+     * @param modelName 模型名称
+     * @param position 屏幕位置（可选）
+     */
+    void OnPresetModelDropped(const QString& modelType, const QString& modelName, const QPointF& position = QPointF());
+    
 
 private:
     QTimer timer_;