154 lines
4.5 KiB
Racket
154 lines
4.5 KiB
Racket
#lang racket/base
|
|
(require racket/match
|
|
racket/contract/base
|
|
racket/list
|
|
racket/async-channel
|
|
racket/system
|
|
ansi
|
|
(submod ansi/lcd-terminal event-structs)
|
|
unix-signals
|
|
lux/chaos
|
|
raart/draw
|
|
raart/buffer
|
|
struct-define)
|
|
(provide (all-from-out (submod ansi/lcd-terminal event-structs)))
|
|
|
|
(struct term (f in out))
|
|
|
|
(define-syntax-rule (define-stty-term open-term close-term)
|
|
(begin
|
|
(define default-tty "/dev/tty")
|
|
(define stty-minus-f-arg-string
|
|
(case (system-type 'os)
|
|
((macosx) "-f")
|
|
(else "-F")))
|
|
(define (open-term #:tty [tty default-tty])
|
|
(system* "/bin/stty" stty-minus-f-arg-string tty
|
|
"raw" "pass8" "-echo")
|
|
(define-values (in out)
|
|
(open-input-output-file tty #:exists 'update))
|
|
(file-stream-buffer-mode in 'none)
|
|
(file-stream-buffer-mode out 'none)
|
|
(term tty in out))
|
|
(define (close-term t)
|
|
(match-define (term tty in out) t)
|
|
(close-input-port in)
|
|
(close-output-port out)
|
|
(system* "/bin/stty" stty-minus-f-arg-string tty
|
|
"sane"))))
|
|
|
|
(define-syntax-rule (define-stdin-term open-term close-term)
|
|
(begin
|
|
(require ansi/private/tty-raw-extension)
|
|
(define (open-term #:tty [tty #f])
|
|
(when tty
|
|
(error 'open-term "Custom tty not supported in this version"))
|
|
(tty-raw!)
|
|
(term #f (current-input-port) (current-output-port)))
|
|
(define (close-term t)
|
|
(tty-restore!))))
|
|
|
|
#;(define-stty-term open-term close-term)
|
|
(define-stdin-term open-term close-term)
|
|
|
|
(define (display/term t v)
|
|
(define op (term-out t))
|
|
(unless (port-closed? op)
|
|
(display v op)
|
|
(flush-output op)))
|
|
|
|
;; Lux
|
|
(define x11-mouse-on
|
|
(string-append (set-mode x11-focus-event-mode)
|
|
(set-mode x11-any-event-mouse-tracking-mode)
|
|
(set-mode x11-extended-mouse-tracking-mode)))
|
|
(define x11-mouse-off
|
|
(string-append (reset-mode x11-extended-mouse-tracking-mode)
|
|
(reset-mode x11-any-event-mouse-tracking-mode)
|
|
(reset-mode x11-focus-event-mode)))
|
|
|
|
(define (make-raart #:mouse? [mouse? #f])
|
|
(define alternate? #t)
|
|
(define ch (make-async-channel))
|
|
(*term alternate? mouse? #f #f ch #f #f #f #f))
|
|
|
|
(define-struct-define term-define *term)
|
|
(struct *term
|
|
(alternate? mouse? t buf ch sig-th input-th rows cols)
|
|
#:mutable
|
|
#:methods gen:chaos
|
|
[(define (chaos-event c)
|
|
(term-define c)
|
|
(handle-evt ch
|
|
(match-lambda
|
|
[(and e (screen-size-report new-rows new-cols))
|
|
(set! rows new-rows)
|
|
(set! cols new-cols)
|
|
(buffer-resize! buf rows cols)
|
|
e]
|
|
[e e])))
|
|
(define (chaos-output! c o)
|
|
(when o
|
|
(draw (*term-buf c) o)))
|
|
(define (chaos-label! c l)
|
|
(display/term (*term-t c) (xterm-set-window-title l)))
|
|
(define (chaos-start! c)
|
|
(term-define c)
|
|
(set! t (open-term))
|
|
(set! rows 24)
|
|
(set! cols 80)
|
|
(set! buf (make-cached-buffer rows cols #:output (term-out t)))
|
|
|
|
;; Initialize term
|
|
(when alternate?
|
|
(display/term t (set-mode alternate-screen-mode)))
|
|
(when mouse?
|
|
(display/term t x11-mouse-on)
|
|
(plumber-add-flush! (current-plumber)
|
|
(lambda (handle)
|
|
(display/term t x11-mouse-off))))
|
|
|
|
;; Listen for input
|
|
(set! input-th
|
|
(thread
|
|
(λ ()
|
|
(let loop ()
|
|
(define v (lex-lcd-input (term-in t) #:utf-8? #t))
|
|
(unless (eof-object? v)
|
|
(async-channel-put ch v)
|
|
(loop))))))
|
|
|
|
;; Register for window change events
|
|
;; XXX some way to force this to be first
|
|
(display/term t (device-request-screen-size))
|
|
(set! sig-th
|
|
(thread
|
|
(λ ()
|
|
(let loop ()
|
|
(define s (read-signal))
|
|
(match (lookup-signal-name s)
|
|
['SIGWINCH (display/term t (device-request-screen-size))
|
|
(loop)])))))
|
|
(capture-signal! 'SIGWINCH)
|
|
|
|
(void))
|
|
(define (chaos-stop! c)
|
|
(term-define c)
|
|
|
|
(release-signal! 'SIGWINCH)
|
|
(kill-thread sig-th)
|
|
|
|
(kill-thread input-th)
|
|
|
|
(when mouse?
|
|
(display/term t x11-mouse-off))
|
|
(when alternate?
|
|
(display/term t (reset-mode alternate-screen-mode)))
|
|
|
|
(close-term t))])
|
|
|
|
(provide
|
|
(contract-out
|
|
[make-raart
|
|
(->* () (#:mouse? boolean?) chaos?)]))
|