clog/tutorial/04-tutorial.lisp
2021-02-01 12:05:57 -05:00

23 lines
786 B
Common Lisp

(defpackage #:clog-user
(:use #:cl #:clog)
(:export start-tutorial))
(in-package :clog-user)
(defun my-on-click (obj) ; obj in any event is the target of the event
(setf (color obj) (rgb 0 255 0))) ; this makes it possible to reuse events
; RGB is a helper function for color
(defun on-new-window (body)
"On-new-window handler."
(setf (title (html-document body)) "Tutorial 4")
;; The same handler my-on-click is set no both targets
(set-on-click (create-section body :h1 :content "Hello World! (click me!)")
#'my-on-click)
(set-on-click (create-section body :h3 :content "Click me too!")
#'my-on-click)
(run body))
(defun start-tutorial ()
"Start turtorial."
(initialize #'on-new-window)
(open-browser))