Refactor DialogManager.1

src/windows/MainWindow.cpp

@@ -15,6 +15,7 @@
 #include "forms/settings/SettingFormWidget.h"
 #include "forms/TopBarWidget.h"
 #include "dialogs/GUIMessageDialog.h"
+#include "dialogs/DialogManager.h"
 #include "device/DeviceManager.h"
 #include "errorhandle/GUIErrorHandle.h"
 #include "LoginDialog.h"
@@ -64,7 +65,7 @@ MainWindow::MainWindow(QWidget* aParent)
         }
     });
     mThread->start();
-    centerWidgetHide();
+    QApplication::setActiveWindow(centralWidget());
 }
 
 MainWindow::~MainWindow()
@@ -266,17 +267,7 @@ void MainWindow::swipeTriggered(QSwipeGesture* aSwipeGesture)
 
 void MainWindow::requestLogin()
 {
-    mLoginDialog->clearInputData();
-    mLoginDialog->setWindowModality(Qt::WindowModal);
-    mLoginDialog->showFullScreen();
-    centerWidgetHide();
-    QApplication::setActiveWindow(mLoginDialog);
-    while (QDialog::Accepted != mLoginDialog->result())
-    {
-        mLoginDialog->exec();
-    }
-    mLoginDialog->setResult(QDialog::Rejected);
-    centerWidgetShow();
+    DialogManager::Default()->requestLogin();
     QApplication::setActiveWindow(centralWidget());
 }