modify system menu ui

src/ui/DockWidget.cpp

@@ -25,7 +25,7 @@ DockWidget::DockWidget(const QString& title, QWidget* parent)
     if (nullptr != windowManagerMenu) {
         windowManagerMenu->AddDockWidget(this);
     }
-    // 同步到可视的 WindowManagerMenu 列表（如果存在）
+    // Also register with visible WindowManagerMenu list if available
     if (auto* listMenu = MainFrame::Get().GetMenuManager<WindowManagerMenu>("window_manager")) {
         listMenu->AddDockWidget(this);
     }
@@ -41,7 +41,7 @@ DockWidget::DockWidget(QWidget* parent)
     if (nullptr != windowManagerMenu) {
         windowManagerMenu->AddDockWidget(this);
     }
-    // 同步到可视的 WindowManagerMenu 列表（如果存在）
+    // Also register with visible WindowManagerMenu list if available
     if (auto* listMenu = MainFrame::Get().GetMenuManager<WindowManagerMenu>("window_manager")) {
         listMenu->AddDockWidget(this);
     }

src/ui/Menu/FileManagerMenu.cpp

@@ -52,12 +52,28 @@ void FileManagerMenu::NewWorkSpace() {
 }
 
 void FileManagerMenu::OpenWorkSpace() {
+    // Select workspace file first
     QString fileName = QFileDialog::getOpenFileName(&MainFrame::Get(),
         QObject::tr("Open Workspace"), Application::GetWorkSpacePath(), QObject::tr("Dyt Files (*.dyt)"));
     if (fileName.isEmpty()) {
         return;
     }
 
+    // After a valid file path is selected, prompt to save/unload current workspace
+    auto* current = WorkSpaceManager::Get().GetCurrent();
+    if (current) {
+        QMessageBox::StandardButton ret = QMessageBox::question(
+            &MainFrame::Get(), QObject::tr("warning"), QObject::tr("save current workspace?"),
+            QMessageBox::Yes | QMessageBox::No | QMessageBox::Cancel);
+        if (ret == QMessageBox::Cancel) {
+            return;
+        }
+        if (ret == QMessageBox::Yes) {
+            SaveWorkSpace();
+        }
+        current->Unlaod();
+    }
+
     LOG_INFO("open workspace: {}", fileName.toLocal8Bit().constData());
     emit LoadDyt(fileName);
 }

src/ui/Menu/SystemManagerMenu.cpp

@@ -31,26 +31,44 @@ void SystemManagerMenu::AddDockWidget(class DockWidget* dockWidget) {
         }
     );
     action->setCheckable(true);
-    // 勾选状态应与可见状态一致
+    // Keep action checked state consistent with dock visibility
     action->setChecked(dockWidget->isVisible());
-    // 绑定 dock 到 action，便于打开菜单时同步状态
+    // Bind dock widget to action via data for state sync
     action->setData(QVariant::fromValue(dockWidget));
     connect(action, &QAction::triggered, [dockWidget, action]() {
         dockWidget->setVisible(action->isChecked());
         }
     );
-    // 同步可见性变化到勾选状态
+    // Sync visibility changes to action checked state
     connect(dockWidget, &DockWidget::visibilityChanged, [action](bool visible) {
         action->setChecked(visible);
     });
     connect(dockWidget, &DockWidget::signalClose, [action]() {
         action->setChecked(false);
     });
+    // Remove action when associated DockWidget is destroyed
+    connect(dockWidget, &QObject::destroyed, this, [this, dockWidget]() {
+        RemoveDockWidget(dockWidget);
+    });
     windowManagerMenu_->addAction(action);
 }
 
 void SystemManagerMenu::RemoveDockWidget(class DockWidget* dockWidget) {
-
+    if (!windowManagerMenu_) {
+        return;
+    }
+    const auto actions = windowManagerMenu_->actions();
+    for (QAction* act : actions) {
+        QVariant v = act->data();
+        if (v.isValid()) {
+            DockWidget* dock = v.value<DockWidget*>();
+            if (dock == dockWidget) {
+                windowManagerMenu_->removeAction(act);
+                act->deleteLater();
+                break;
+            }
+        }
+    }
 }
 
 void SystemManagerMenu::InitConnect() {
@@ -71,9 +89,9 @@ void SystemManagerMenu::OnExit() {
 }
 
 void SystemManagerMenu::OnWindowManagerMenu() {
-    // <EFBFBD><EFBFBD><EFBFBD>Ӵ<EFBFBD><EFBFBD>ڹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD>
+    // Add window manager menu
     LOG_INFO("add window manager menu");
-    // 打开菜单前，同步所有条目的勾选状态与当前 dock 可见性
+    // Before opening, sync action checked state with current dock visibility
     for (QAction* act : windowManagerMenu_->actions()) {
         QVariant v = act->data();
         if (v.isValid()) {

src/ui/Menu/WindowManagerMenu.cpp

@@ -14,8 +14,7 @@ WindowManagerMenu::WindowManagerMenu(QWidget* parent)
     : QWidget(parent)
     , ui(new Ui::WindowManagerMenu) {
     ui->setupUi(this);
-
-   
+    connect(ui->listWidget, &QListWidget::itemClicked, this, &WindowManagerMenu::OnItemClicked);
 }
 
 WindowManagerMenu::~WindowManagerMenu() {
@@ -33,24 +32,43 @@ void WindowManagerMenu::AddDockWidget(DockWidget* dockWidget) {
         item->setText(title);
         }
     );
-    // 初始勾选状态与 dock 的可见性同步
+    // Initialize check state to match dock visibility
     item->setCheckState(dockWidget->isVisible() ? Qt::Checked : Qt::Unchecked);
-    connect(ui->listWidget, &QListWidget::itemClicked, [](QListWidgetItem* item) {
-        bool checked = !(item->checkState() == Qt::Checked);
-        item->setCheckState(checked ? Qt::Checked : Qt::Unchecked);
-        item->data(DockWidgetRole).value<DockWidget*>()->setVisible(checked);
-        });
     item->setData(DockWidgetRole, QVariant::fromValue(dockWidget));
-    // 同步 dock 可见性变化到勾选状态
+    // Sync dock visibility changes to check state
     connect(dockWidget, &DockWidget::visibilityChanged, [item](bool visible) {
         item->setCheckState(visible ? Qt::Checked : Qt::Unchecked);
     });
     connect(dockWidget, &DockWidget::signalClose, [this, item]() {
         item->setCheckState(Qt::Unchecked);
     });
+    // Remove the corresponding item when the DockWidget is destroyed
+    connect(dockWidget, &QObject::destroyed, this, [this, dockWidget]() {
+        RemoveDockWidget(dockWidget);
+    });
     ui->listWidget->addItem(item);
 }
 
 void WindowManagerMenu::RemoveDockWidget(class DockWidget* dockWidget) {
-
+    if (!ui || !ui->listWidget) {
+        return;
+    }
+    for (int i = 0; i < ui->listWidget->count(); ++i) {
+        QListWidgetItem* item = ui->listWidget->item(i);
+        DockWidget* dock = item->data(DockWidgetRole).value<DockWidget*>();
+        if (dock == dockWidget) {
+            // Remove and delete the list item
+            delete ui->listWidget->takeItem(i);
+            break;
+        }
+    }
+}
+
+void WindowManagerMenu::OnItemClicked(QListWidgetItem* item) {
+    bool checked = !(item->checkState() == Qt::Checked);
+    item->setCheckState(checked ? Qt::Checked : Qt::Unchecked);
+    DockWidget* dock = item->data(DockWidgetRole).value<DockWidget*>();
+    if (dock) {
+        dock->setVisible(checked);
+    }
 }

src/ui/Menu/WindowManagerMenu.h

@@ -8,6 +8,8 @@ namespace Ui {
     class WindowManagerMenu;
 }
 
+class QListWidgetItem;
+
 class WindowManagerMenu : public QWidget {
     Q_OBJECT
 
@@ -23,4 +25,6 @@ protected:
 
 private:
     Ui::WindowManagerMenu* ui;
+private slots:
+    void OnItemClicked(QListWidgetItem* item);
 };

src/workspace/WorkSpaceManager.cpp

@@ -161,7 +161,9 @@ void WorkSpaceManager::SetCurrent(WorkSpace* workspace) {
     }
 
     if (nullptr != current_) {
+        // Ensure previous workspace is properly ended and unloaded
         current_->End();
+        current_->Unlaod();
     }
     current_ = workspace;
     workspace->SetActiveScene(scene_);