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;;; Commentary:
;; I don't curse, I'm just vulgar.
;;; Code:
(define-module (vulgar)
#:use-module (srfi srfi-60)
#:use-module (vulgar termios)
#:use-module (util)
#:export (with-vulgar))
(define-public (cls)
(display "\x1b[H") ; Move cursor to the origin
(display "\x1b[J") ; Clear everything after cursor
)
(define-syntax with-vulgar
(syntax-rules ()
((_ thunk)
(let* ((ifd (current-input-port))
(ofd (current-output-port))
(iattr (make-termios))
(oattr (make-termios))
iattr* oattr*)
(dynamic-wind
(lambda ()
(tcgetattr! iattr ifd)
(tcgetattr! oattr ofd)
;; Store current settings to enable resetting the terminal later
(set! iattr* (copy-termios iattr))
(set! oattr* (copy-termios oattr))
(let ((bits (bitwise-not (bitwise-ior ECHO ICANON))))
(set! (lflag iattr) (bitwise-and (lflag iattr) bits))
(set! (lflag oattr) (bitwise-and (lflag oattr) bits)))
(tcsetattr! iattr ifd)
(tcsetattr! oattr ofd))
thunk
(lambda ()
(tcsetattr! iattr* ifd)
(tcsetattr! oattr* ofd)))))))
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