on-char in editor-canvas%

Called when the canvas receives a keyboard event. See also Mouse and Keyboard Events.

• (send an-editor-canvas on-char event) -> void
     event : key-event% object

  Usually handles 'wheel-up and 'wheel-down events by scrolling vertically. See also wheel-step.

  Otherwise, passes the event to the canvas's editor, if any, by calling its on-char method.

  See also get-editor.