clear login screen on failed login attempt

src/handler/eventHandler.cpp

@@ -224,20 +224,18 @@ int EventHandler::pointerHandler(const int type, const int par1, const int par2)
             {
                 _menu.drawLoadingScreen();
                 
-                Log::writeLog("Start Login from loginscreen");
-
-                //TODO use progressbar and log (check what can go wrong?) catch?
                 if (_nextcloud.login(_loginView->getURL(), _loginView->getUsername(), _loginView->getPassword()))
                 {
                     _listView = std::unique_ptr<ListView>(new ListView(_menu.getContentRect(), _nextcloud.getItems()));
                     _loginView.reset();
+
+                    FullUpdate();
                 }
                 else
                 {
-                    //TODO redraw login screen so that loading disappears
-                    Message(ICON_WARNING, "Warning", "Something went wrong...", 1200);
+                    _menu.clearLoadingScreen();
+                    Log::writeLog("login failed.");
                 }
-                FullUpdate();
                 return 1;
             }
         }

src/handler/menuHandler.cpp

@@ -89,3 +89,9 @@ void MenuHandler::drawLoadingScreen()
     DrawTextRect2(&_loadingScreenRect, "Loading...");
     PartialUpdate(_loadingScreenRect.x, _loadingScreenRect.y, _loadingScreenRect.w, _loadingScreenRect.h);
 }
+
+void MenuHandler::clearLoadingScreen()
+{
+    FillArea(_loadingScreenRect.x, _loadingScreenRect.y, _loadingScreenRect.w, _loadingScreenRect.h/4, WHITE);
+    PartialUpdate(_loadingScreenRect.x, _loadingScreenRect.y, _loadingScreenRect.w, _loadingScreenRect.h);
+}

src/handler/menuHandler.h

@@ -39,6 +39,8 @@ public:
 
     void drawLoadingScreen();
 
+    void clearLoadingScreen();
+
 private:
     ifont *_menuFont;
     ifont *_loadingFont;