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;;; Copyright © 2022 David Thompson <davet@gnu.org>
;;;
;;; This program is free software: you can redistribute it and/or
;;; modify it under the terms of the GNU General Public License as
;;; published by the Free Software Foundation, either version 3 of the
;;; License, or (at your option) any later version.
;;;
;;; This program is distributed in the hope that it will be useful,
;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
;;; General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with this program.  If not, see
;;; <http://www.gnu.org/licenses/>.
(define-module (apple-town-fair dialog-box)
  #:use-module (apple-town-fair assets)
  #:use-module (apple-town-fair common)
  #:use-module (catbird node)
  #:use-module (catbird node-2d)
  #:use-module (chickadee graphics color)
  #:use-module (chickadee math vector)
  #:use-module (oop goops)
  #:export (<dialog-box>))

(define-class <dialog-box> (<node-2d>)
  (text #:accessor text #:init-keyword #:text #:init-value "" #:observe? #t))

(define-method (on-boot (dialog <dialog-box>))
  (attach-to dialog
             (make <sprite>
               #:name 'background
               #:texture dialog-box-image)
             (make <label>
               #:name 'label
               #:rank 1
               #:font monogram-font
               #:vertical-align 'top))
  (set! (width dialog) (width (& dialog background)))
  (set! (height dialog) (height (& dialog background)))
  (refresh-label dialog))

(define-method (refresh-label (dialog <dialog-box>))
  (set! (text (& dialog label)) (text dialog))
  (teleport (& dialog label) 10.0 (- (height dialog) 10.0)))

(define-method (on-change (dialog <dialog-box>) slot old new)
  (case slot
    ((text)
     (refresh-label dialog))))