def pickTextBackgroundColor(self):
        """
        Prompts the user to select a text color.
        """
        clr = QColorDialog.getColor(self.textBackgroundColor(),
                                    self.window(),
                                    'Pick Background Color')
        
        if clr.isValid():
            self.setTextBackgroundColor(clr)
Prompts the user to select a text color.