feat: Support detecting client set up error

mainwindow.h

@@ -87,6 +87,7 @@ private:
     bool isZjuConnectLoginError;
     bool isZjuConnectAccessDenied;
     bool isZjuConnectListenFailed;
+    bool isZjuConnectSetupError;
     bool isSystemProxySet;
 };
 

zjuconnectcontroller/zjuconnectcontroller.cpp

@@ -23,6 +23,10 @@ ZjuConnectController::ZjuConnectController()
         {
             emit listenFailed();
         }
+        else if (output.contains("client setup error"))
+        {
+            emit setupError();
+        }
     });
 
     connect(zjuConnectProcess, &QProcess::readyReadStandardError, this, [&]()
@@ -43,6 +47,10 @@ ZjuConnectController::ZjuConnectController()
         {
             emit listenFailed();
         }
+        else if (output.contains("client setup error"))
+        {
+            emit setupError();
+        }
     });
 
     connect(zjuConnectProcess, &QProcess::finished, this, [&]()

zjuconnectcontroller/zjuconnectcontroller.h

@@ -41,6 +41,8 @@ signals:
 
     void listenFailed();
 
+    void setupError();
+
     void outputRead(const QString &output);
 
     void finished();

zjuconnectmode.cpp

@@ -49,6 +49,11 @@ void MainWindow::setModeToZjuConnect()
         isZjuConnectListenFailed = true;
     });
 
+    connect(zjuConnectController, &ZjuConnectController::setupError, this, [&]()
+    {
+        isZjuConnectSetupError = true;
+    });
+
     connect(zjuConnectController, &ZjuConnectController::finished, this, [&]()
     {
         if (
@@ -92,6 +97,11 @@ void MainWindow::setModeToZjuConnect()
             isZjuConnectListenFailed = false;
             QMessageBox::critical(this, "错误", "监听失败！\n请关闭占用端口的程序（如残留的 zju-connect.exe），或者监听其它端口");
         }
+        else if (isZjuConnectSetupError)
+        {
+            isZjuConnectSetupError = false;
+            QMessageBox::critical(this, "错误", "连接失败！\n请检查网络和服务器设置是否正确");
+        }
     });
 
     connect(ui->pushButton1, &QPushButton::clicked,