on-size in editor-canvas%

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 displaying an editor, its on-display-size method is called.