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22 lines
811 B
Common Lisp
22 lines
811 B
Common Lisp
(defpackage #:clog-tut-4
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(:use #:cl #:clog)
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(:export start-tutorial))
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(in-package :clog-tut-4)
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(defun my-on-click (obj) ; obj in any event is the target of the event
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(setf (color obj) (rgb 0 255 0))) ; this makes it possible to reuse event handlers
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; RGB is a helper function for color
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(defun on-new-window (body)
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"On-new-window handler."
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(setf (title (html-document body)) "Tutorial 04")
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;; The same handler #'my-on-click is set on both targets
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(set-on-click (create-section body :h1 :content "Hello World! (click me!)")
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'my-on-click)
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(set-on-click (create-section body :h3 :content "Click me too!")
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'my-on-click))
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(defun start-tutorial ()
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"Start turtorial."
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(initialize 'on-new-window)
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(open-browser))
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