scsh-conservatory
/
sunterlib
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

widget-tree sync eventloop - 2

This commit is contained in:
erana 2012-01-17 15:44:45 +09:00
parent 85fb2c868b
commit 1e372d54ee
1 changed files with 54 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

87
scsh/scgame/scgamewidgets.scm
View File

@ -1,4 +1,5 @@
;;; scgamewidgets.scm - a scheme game library (needs scx-0.2 or scheme48-fb)
;;; scgamewidgets.scm - a scheme game library widgets
;; (needs scx-0.2 or scheme48-fb)
;;;
;;; Copyright (c) 2011-2012 Johan Ceuppens
;;;
@ -85,6 +86,21 @@
#t))
#f))
(define (draw-widget-tree widget-tree)
(define (frec l)
(cond ((null? l) #f)
((list? (car l))
(frec (car l)))
((widget? (car l))
(((car l) 'draw)))
(else (frec (cdr l)))))
(if (widget-node? node)
(for-each frec (force node))
#f))
;; widgets
(define (make-scgame-widget)
@ -210,36 +226,41 @@
;; This is the main loop you call on your window's
;; widget tree (see above)
(define (widget-tree-eventloop dpy win widget-tree)
(let ((mousex 0)
(mousey 0))
(init-sync-x-events dpy)
(map-window dpy win)
(call-with-event-channel
dpy win (event-mask button-press)
(lambda (channel)
;; FIXME calibrate at 10 times or using nanosleep
(let loop ()
(if
(let ((e (receive channel)))
(cond
((motion-event? e)
(set! mousex motion-event-x)
(set! mousey motion-event-y))
((map-event? e)
(map-window dpy map-event-window))
((unmap-event? e)
(unmap-window dpy unmap-event-window))
((button-event? e)
(let ((state button-event-state))
(let ((widget (widget-node-collide? widget-tree mousex mouse)))
(if state
((widget 'press!))
((widget 'release!))))))
((expose-event? e)
(expose-window dpy expose-event-window))
((destroy-widow-event? e)
(expose-window dpy destroy-window-event-window))
(else #f))))
(loop))))))
(define (widget-tree-eventloop dpy win tree)
(let ((mousex 0))
(let ((mousey 0))
(let ((widget-tree tree))
(init-sync-x-events dpy)
(map-window dpy win)
(call-with-event-channel
dpy win (event-mask button-press)
(lambda (channel)
;; FIXME calibrate at 10 times or using nanosleep for your machine
(let loop ()
(if
(let ((e (receive channel)))
;; process events
(cond
((motion-event? e)
(set! mousex motion-event-x)
(set! mousey motion-event-y))
((map-event? e)
(map-window dpy map-event-window))
((unmap-event? e)
(unmap-window dpy unmap-event-window))
((button-event? e)
(let ((state button-event-state))
(let ((widget (widget-node-collide? widget-tree mousex mouse)))
(if state
((widget 'press!))
((widget 'release!))))))
((expose-event? e)
(expose-window dpy expose-event-window))
((destroy-widow-event? e)
(expose-window dpy destroy-window-event-window))
(else #f))
;; draw widgets in tree
(draw-widget-tree widget-tree)
))
(loop))))))))