on-size

Called when the window is resized. The window's new size (in pixels) is provided to the method. The size values are for the entire window, not just the client area.

• (send an-editor-canvas on-size width height) -> void
      width : exact integer in [0, 10000]
      height : exact integer in [0, 10000]

  If the canvas is dispalying an editor, its on-display-size method is called.