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(defpackage #:ww.examples/3
  (:use #:cl)
  (:export #:start))

(in-package #:ww.examples/3)

(defclass font-display (ww::application) ())

(define-symbol-macro +speed+ 10)

(defun random-text-color ()
  (make-array 4 :initial-contents (list (random 1.0) (random 1.0) (random 1.0) 1.0)))

(ww::defhandler change-text-color
    (ww::on-keydown ()
      "Press any key to change the color of the text"
      (format t "Pressed a key, changing the color~%")
      (setf (ww::text-color target) (random-text-color))

      (with-accessors ((x ww::unit-x) (y ww::unit-y) (w ww::unit-width) (h ww::unit-height)) target 
        (format t "x:~a,y:~a,width:~a,height:~a~%" x y w h))))

(ww::defhandler marquee
    (ww::on-perframe ()
      (when (< 900 (ww::unit-x target))
        (setf (ww::unit-x target)
              -800))
      (incf (ww::unit-x target) 5)))

(defmethod ww::boot ((app font-display))
  (let ((hello
          (make-instance
           'ww::text
           :content "Hell! Oh World..."
           :font (ww::get-asset "Ticketing.ttf" :asset-args '(:oversample 2)))))

    
    (ww::set-height-preserve-aspect hello 100)

    (setf
     (ww::unit-x hello) 100
     
     (ww::unit-y hello) 400)
    
    (ww::add-handler hello #'marquee)
    (ww::add-handler hello #'change-text-color)
    (ww::add-handler hello (ww::on-mousedown () (format t "I Was Clicked at ~a,~a!~%"
                                                        x y)))
    (ww::refocus-on hello)

    (describe hello)

    (ww::add-unit app hello)
    ))


(defun start ()
  (ww::start (make-instance 'font-display
                            :fps 60
                            :refocus-on-mousedown-p nil
                            :title "Wheelwork Example: Font display"
                            :asset-root (merge-pathnames
                                         "examples/"
                                         (asdf:system-source-directory :wheelwork)))
             :x 2380))