clog/demos/02-singleton.lisp
2020-12-30 20:05:48 -05:00

22 lines
607 B
Common Lisp

(defpackage #:clog-user
(:use #:cl #:clog)
(:export start-demo))
(in-package :clog-user)
(defun start-demo ()
"How to allow only one CLOG app to be executed. Normally many browsers can
can be started with the same app."
(clog:initialize
(lambda (win)
(let ((click-target (clog:create-child win "<h1>Hello World!</H1>")))
(clog:set-on-click click-target
(lambda ()
(clog:create-child win "<p>You Clicked me!</p>")))
(clog:set-on-new-window
(lambda (win)
(clog:put-br (clog:html-document win)
"Only single connection premitted."))))))
(clog:open-browser))