init widget tree.

This commit is contained in:
Johan Ceuppens 2012-01-17 01:28:29 +00:00
parent 2f1534d80e
commit 7a847a3746
1 changed files with 92 additions and 2 deletions

View File

@ -32,23 +32,108 @@
;; FIXME refactor and cleanup
;; widget tree
(define (make-widget-tree)
'())
(define (make-widget-tree-leaf widget)
(delay widget))
(define (widget-leaf? n)
(and (widget? n)(not (list? n))))
(define (make-widget-tree-node widgetlist)
(delay widgetlist))
(define (widget-node? n)
(and (not (widget? n))(list? n)))
(define (widget-tree-add! tree n)
(set! tree (append tree (list n))))
(define (widget-node-add! node n)
(set! node (append node (list n))))
(define (widget-node-collide? node x y)
(define (frec l)
(cond ((null? l) #f)
((and (widget? (car l))
(>= x (((car l)'get-x)))
(<= x (+ (((car l)'get-x)))(((car l)'get-w)))
(>= y (((car l)'get-y)))
(<= y (+ (((car l)'get-y)))(((car l)'get-h))))
#t)
(else (frec (cdr l)))))
(if (widget-node? node)
(for-each frec (force node))
#f))
(define (widget-leaf-collide? leaf x y)
(if (widget-leaf? leaf)
(cond ((and (widget? leaf)
(>= x ((leaf 'get-x)))
(<= x (+ ((leaf 'get-x)))((leaf 'get-w)))
(>= y ((leaf 'get-y)))
(<= y (+ ((leaf 'get-y)))((leaf 'get-h))))
#t))
#f))
;; widgets
(define (make-scgame-widget)
(define (draw)
(display-msg "subclass responsability"))
(display-msg "widget - draw - subclass responsability"))
(define (widget?)
#t)
(define (get-x)
(display-msg "widget - get-x - subclass responsability")
0)
(define (get-y)
(display-msg "widget - get-y - subclass responsability")
0)
(define (get-w)
(display-msg "widget - get-w - subclass responsability")
0)
(define (get-h)
(display-msg "widget - get-h - subclass responsability")
0)
(lambda (msg)
(cond ((eq? msg 'draw) draw)
((eq? msg 'widget?) widget?)
(else
(display-msg "subclass responsability")))))
(define (make-button-widget)
(define (make-button-widget xx yy)
(let ((widget (make-scgame-widget))
(image #f) ;; pixel array
(pressed-image #f) ;; pixel array
(pressed #f)
(x xx)
(y yy)
(width 0)
(height 0))
(define (get-x)
x)
(define (get-y)
y)
(define (get-w)
w)
(define (get-h)
h)
(define (set-image win filename)
(set! image (((make-scimage2)'load-image) win filename))
(let ((wh (vector-ref (list->vector image) 1)))
@ -106,6 +191,7 @@
(else #f)))
(loop))))))
;; NOTE : you can remap a button (image) to a new window win if you like
(define (draw-image dpy win gc)
(init-sync-x-events dpy)
(map-window dpy win)
@ -158,5 +244,9 @@
((eq? 'set-pressed-image) set-pressed-image)
((eq? 'press!) press!)
((eq? 'release!) release!)
((eq? get-x) get-x)
((eq? get-y) get-y)
((eq? get-w) get-w)
((eq? get-h) get-h)
(widget msg)
))))