code: def _set_platform_specific_keyboard_shortcuts(self):
          
          self.action_new_phrase.setShortcuts(QKeySequence.New)
          self.action_save.setShortcuts(QKeySequence.Save)
          self.action_close_window.setShortcuts(QKeySequence.Close)
          self.action_quit.setShortcuts(QKeySequence.Quit)
  
          self.action_undo.setShortcuts(QKeySequence.Undo)
          self.action_redo.setShortcuts(QKeySequence.Redo)
          self.action_cut_item.setShortcuts(QKeySequence.Cut)
          self.action_copy_item.setShortcuts(QKeySequence.Copy)
          self.action_paste_item.setShortcuts(QKeySequence.Paste)
          self.action_delete_item.setShortcuts(QKeySequence.Delete)
  
          self.action_configure_autokey.setShortcuts(QKeySequence.Preferences)
docs: QtDesigner does not support QKeySequence::StandardKey enum based default keyboard shortcuts.
          This means that all default key combinations ("Save", "Quit", etc) have to be defined in code.