Add InitializeWidget before login.

src/dialogs/DialogManager.cpp

@@ -89,6 +89,7 @@ void DialogManager::requestLogin(QWidget* aParent)
     //Login 直接最顶层模态
     if (!mFunctionDialog){
         mFunctionDialog = new LoginDialog(aParent);
+        connect(mFunctionDialog, &LoginDialog::loginDialogShown, this, &DialogManager::loginDialogShown, Qt::QueuedConnection);
     }
 
     if(mFunctionDialog->isRunning())

src/dialogs/DialogManager.h

@@ -33,6 +33,7 @@ struct DialogResult
 };
 
 class DialogManager:public QObject {
+    Q_OBJECT
 public:
     static DialogManager *Default() {
         static DialogManager manager;
@@ -82,6 +83,9 @@ private:
     void setTopWidget(QWidget* widget);
     void releaseTopWidget(QWidget* expectedTopWidget);
 
+signals:
+    void loginDialogShown();
+
 private:
     LoginDialog* mFunctionDialog;
     ScreenSaverWindow* mScreenSaverWindow;