fix:修复关闭提示弹窗时机问题

src/appdelegate.cpp

@@ -448,4 +448,9 @@ QSet<QString> AppDelegate::getSelectedPackages() const {
 
 void AppDelegate::clearSelection() {
     m_selectedPackages.clear();
+}
+
+// 实现获取下载状态信息的方法
+const QHash<QString, DownloadInfo>& AppDelegate::getDownloads() const {
+    return m_downloads;
 }

src/appdelegate.h

@@ -35,6 +35,10 @@ public:
     void setSelectedPackages(const QSet<QString> &selected);
     QSet<QString> getSelectedPackages() const;
     void clearSelection();
+    
+    // 获取下载状态信息
+    const QHash<QString, DownloadInfo>& getDownloads() const;
+
 
 signals:
     void updateDisplay(const QString &packageName);

src/mainwindow.cpp

@@ -344,8 +344,31 @@ void MainWindow::runAptssUpgrade()
 }
 void MainWindow::closeEvent(QCloseEvent *event)
 {
-
-    QMessageBox::StandardButton reply = QMessageBox::question(this, "确认关闭", "正在更新，是否确认关闭窗口？", QMessageBox::Yes | QMessageBox::No);
+    // 检查是否正在进行更新
+    bool isUpdating = false;
+    
+    // 通过AppDelegate检查是否有正在下载或安装的应用
+    const QHash<QString, DownloadInfo>& downloads = m_delegate->getDownloads();
+    for (auto it = downloads.constBegin(); it != downloads.constEnd(); ++it) {
+        if (it.value().isDownloading || it.value().isInstalling) {
+            isUpdating = true;
+            break;
+        }
+    }
+    
+    // 如果正在更新，才显示确认对话框
+    if (isUpdating) {
+        QMessageBox::StandardButton reply = QMessageBox::question(this, "确认关闭", "正在更新，是否确认关闭窗口？", QMessageBox::Yes | QMessageBox::No);
+        
+        if (reply == QMessageBox::Yes) {
+            event->accept();
+        } else {
+            event->ignore();
+        }
+    } else {
+        // 如果没有更新，直接关闭窗口
+        event->accept();
+    }
 }
 void MainWindow::handleUpdateFinished(bool success)
 {