64 lines
2.0 KiB
Scheme
Executable File
64 lines
2.0 KiB
Scheme
Executable File
#!/bin/sh
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exec scsh -lel heap-images/load.scm -lel cml/load.scm -lel scx/load.scm -o xlib -o rendezvous-channels -o threads -s "$0" "$@"
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!#
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(define (hello text)
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(let* ((dpy (open-display))
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(screen (display:default-screen dpy))
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(cm (screen:default-colormap screen))
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;;(cm (copy-colormap-and-free dpy (screen:default-colormap screen)))
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;; many ways to get color in your progs.
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(black (screen:black-pixel screen))
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(white (screen:white-pixel screen))
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(blue (alloc-color dpy cm 0 0 1))
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(green-color (alloc-named-color dpy cm "#00FF00"))
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(green (if green-color (color:pixel green-color) white))
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(win (create-simple-window dpy
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(default-root-window dpy)
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100 200 400 200 1
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black white))
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(gc (create-gc dpy win
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(make-gc-value-alist (background white)
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(foreground black))))
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(font (load-font dpy "*-new century schoolbook-bold-r*24*"))
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(font2 (load-font dpy "*times*18*")))
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(set-window-colormap! dpy win cm)
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(set-wm-name! dpy win (string-list->property '("scx Hello World Program")))
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(spawn (lambda ()
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(let loop ((se (most-recent-sync-x-event)))
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(display "event: ") (display (sync-x-event-event se))
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(display "\n")
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(loop (next-sync-x-event se (lambda (e) #t))))))
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;;(synchronize dpy #f)
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(init-sync-x-events dpy)
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(let ((handler
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(lambda (channel)
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(map-window dpy win)
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(let loop ()
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(if
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(let ((e (receive channel)))
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(cond
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((expose-event? e)
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(set-gc-font! dpy gc font)
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(set-gc-foreground! dpy gc black)
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(draw-image-string dpy win gc 10 65 text)
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(set-gc-foreground! dpy gc green)
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(draw-text dpy win gc 20 40
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(make-text-items text (change-font font2)
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(with-delta 20 text))))
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((motion-event? e) #t)
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(else #f)))
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(loop))))))
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(call-with-event-channel dpy win (event-mask exposure button-press
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pointer-motion)
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handler)
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(close-display dpy))))
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(hello "Hello World!")
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