@Override
 public void mouseClicked(int mouseX, int mouseY, int button) {
   if (!visible | !enabled | haveOpenDialog()) {
     return;
   }
   textboxUsername.mouseClicked(mouseX, mouseY, button);
   textboxPassword.mouseClicked(mouseX, mouseY, button);
   super.mouseClicked(mouseX, mouseY, button);
 }