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Mention the :one-time key for events

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David Botton 2021-02-06 22:26:03 -05:00
parent 504fa56111
commit 4eba57ec56
1 changed files with 4 additions and 1 deletions
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tutorial/03-tutorial.lisp
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@ -23,7 +23,10 @@
;;; Running this version of the last tutorial and clicking quickly on the (click me!) ;;; Running this version of the last tutorial and clicking quickly on the (click me!)
;;; will demonstrate an important aspect of CLOG, events can happen in _parallel_. ;;; will demonstrate an important aspect of CLOG, events can happen in _parallel_.
;;; This means that appropriate precautions to thread protect data should be taken ;;; This means that appropriate precautions to thread protect data should be taken
;;; and that events do not wait for previous event handlers to complete. ;;; and that events do not wait for previous event handlers to complete. One simple
;;; way to avoid issues is to use the key :one-time t on the set-on-click or other
;;; event, this will turn off the event immediately when the user clicks and can then
;;; set the even again when done handling the event if want to again accept the event.
(defun start-tutorial () (defun start-tutorial ()
"Start turtorial." "Start turtorial."
(initialize #'on-new-window) (initialize #'on-new-window)