Variable: minibuffer-on-screen-keyboard-timer
minibuffer-on-screen-keyboard-timer is a variable defined in
minibuffer.el.gz.
Value
nil
Documentation
Timer run upon exiting the minibuffer.
It will hide the on screen keyboard when necessary.
Source Code
;; Defined in /usr/src/emacs/lisp/minibuffer.el.gz
;;; On screen keyboard support.
;; Try to display the on screen keyboard whenever entering the
;; mini-buffer, and hide it whenever leaving.
(defvar minibuffer-on-screen-keyboard-timer nil
"Timer run upon exiting the minibuffer.
It will hide the on screen keyboard when necessary.")