code: func (t *TextBar) Resize() {
  	t.initialize()
  	t.layout()
  
  	t.left.Resize()
  	t.center.Resize()
  	t.right.Resize()
  
  	t.PostEventWidgetResize(t)
  }
docs: // Resize is called when the TextBar's View changes size, and
  // updates the layout.