Method show

app/src/processing/app/ui/Editor.java:2727–2735

(Component component, int x, int y)

    // if no text is selected, disable copy and cut menu items
    public void show(Component component, int x, int y) {
      // Centralize the checks for each item at the Action.
      cutItem.setEnabled(cutAction.canDo());
      copyItem.setEnabled(copyAction.canDo());
      discourseItem.setEnabled(copyAsHtmlAction.canDo());
      pasteItem.setEnabled(pasteAction.canDo());
      referenceItem.setEnabled(referenceCheck(false) != null);
      super.show(component, x, y);
    }
  }
}