right order of desktop settings again

engine/start.py

@@ -126,6 +126,12 @@ else:
 
 
 logger.info("PATHS: {}".format(PATHS))
+from PyQt5.QtWidgets import QApplication
+#Construct QAppliction before constantsAndCOnfigs, which has the fontDB
+QtGui.QGuiApplication.setDesktopSettingsAware(False)  #We need our own font so the user interface stays predictable
+QtGui.QGuiApplication.setDesktopFileName(PATHS["desktopfile"])
+qtApp = QApplication(sys.argv)
+setPaletteAndFont(qtApp)     
 
 
 def exitWithMessage(message:str):
@@ -133,12 +139,10 @@ def exitWithMessage(message:str):
     if sys.stdout.isatty():
         sys.exit(title + ": " + message)
     else:
-        from PyQt5.QtWidgets import QMessageBox, QApplication
-        #This is the start file for the Qt client so we know at least that Qt is installed and use that for a warning.
-        qErrorApp = QApplication(sys.argv)
-        setPaletteAndFont(qErrorApp)
-        QMessageBox.critical(qErrorApp.desktop(), title, message)
-        qErrorApp.quit()
+        from PyQt5.QtWidgets import QMessageBox
+        #This is the start file for the Qt client so we know at least that Qt is installed and use that for a warning.                
+        QMessageBox.critical(qtApp.desktop(), title, message)
+        qtApp.quit()
         sys.exit(title + ": " + message)
 
 def setProcessName(executableName):

qtgui/mainwindow.py

@@ -31,7 +31,7 @@ logger.info(f"PyQt Version: {QtCore.PYQT_VERSION_STR}")
 
 #Engine
 from engine.config import METADATA  #includes METADATA only. No other environmental setup is executed.
-from engine.start import PATHS
+from engine.start import PATHS, qtApp
 import engine.api as api #This loads the engine and starts a session.
 
 #Qt
@@ -52,11 +52,6 @@ from .settings import SettingsDialog
 
 api.eventLoop = EventLoop()
 
-#Construct QAppliction before constantsAndCOnfigs, which has the fontDB
-QtGui.QGuiApplication.setDesktopSettingsAware(False)  #We need our own font so the user interface stays predictable
-QtGui.QGuiApplication.setDesktopFileName(PATHS["desktopfile"])
-qtApp = QtWidgets.QApplication(sysargv)
-
 #Setup the translator before classes are set up. Otherwise we can't use non-template translation.
 #to test use LANGUAGE=de_DE.UTF-8   . not LANG=
 language = QtCore.QLocale().languageToString(QtCore.QLocale().language())