code: func (w *Window) SetBounds(bounds pixel.Rect) {
  	w.bounds = bounds
  	mainthread.Call(func() {
  		_, _, width, height := intBounds(bounds)
  		w.window.SetSize(width, height)
  	})
  }
docs: // SetBounds sets the bounds of the Window in pixels. Bounds can be fractional, but the actual size
  // of the window will be rounded to integers.