5.0 KiB
5.0 KiB
OpenCortex TUI Client (Standalone)
Overview
The OpenCortex TUI Client is a standalone Common Lisp executable providing a rich, interactive terminal experience via the croatoan library.
Phase D: Build (Implementation)
Package Definition
(in-package :cl-user)
(defpackage :opencortex.tui
(:use :cl :croatoan)
(:export :main))
(in-package :opencortex.tui)State & Global Queues
(defvar *daemon-host* "127.0.0.1")
(defvar *daemon-port* 9105)
(defvar *socket* nil)
(defvar *stream* nil)
(defvar *chat-history* (list))
(defvar *status-text* "Connecting...")
(defvar *input-buffer* (make-array 0 :element-type 'char :fill-pointer 0 :adjustable t))
(defvar *is-running* t)
(defvar *queue-lock* (bt:make-lock))
(defvar *incoming-msgs* nil)Networking Thread
(defun enqueue-msg (msg)
(bt:with-lock-held (*queue-lock*)
(push msg *incoming-msgs*)))
(defun dequeue-msgs ()
(bt:with-lock-held (*queue-lock*)
(let ((msgs (nreverse *incoming-msgs*)))
(setf *incoming-msgs* nil)
msgs)))
(defun listen-thread ()
(loop while *is-running* do
(handler-case
(when (and *stream* (open-stream-p *stream*))
(let ((line (read-line *stream* nil :eof)))
(if (eq line :eof)
(setf *is-running* nil)
(let* ((*read-eval* nil)
(sexp (ignore-errors (read-from-string line))))
(if (and sexp (listp sexp))
(cond
((eq (getf sexp :type) :status)
(setf *status-text* (format nil "[Scribe: ~a] [Gardener: ~a]"
(getf sexp :scribe)
(getf sexp :gardener))))
((eq (getf sexp :type) :chat)
(enqueue-msg (getf sexp :text)))
((eq (getf sexp :type) :info)
(enqueue-msg (format nil "*System*: ~a" (getf sexp :text))))
((eq (getf sexp :type) :error)
(enqueue-msg (format nil "*Error*: ~a" (getf sexp :text))))
(t (enqueue-msg line)))
(enqueue-msg line))))))
(error () (setf *is-running* nil)))
(sleep 0.05)))Main TUI Loop
(defun main ()
(handler-case
(setf *socket* (usocket:socket-connect *daemon-host* *daemon-port*))
(error (e) (format t "Error connecting: ~a~%" e) (return-from main)))
(setf *stream* (usocket:socket-stream *socket*))
(bt:make-thread #'listen-thread :name "tui-listener")
(unwind-protect
(with-screen (scr :input-echoing nil :input-blocking nil :enable-colors t :cursor-visible t)
(let* ((h (height scr))
(w (width scr))
(chat-win (make-window (list (- h 2) w 0 0)))
(status-win (make-window (list 1 w (- h 2) 0)))
(input-win (make-window (list 1 w (- h 1) 0))))
(loop while *is-running* do
;; Handle incoming messages
(let ((new-msgs (dequeue-msgs)))
(when new-msgs
(dolist (msg new-msgs)
(push msg *chat-history*)
(setf *chat-history* (subseq *chat-history* 0 (min (length *chat-history*) 500))))
(clear chat-win)
(let ((line-num 0))
(dolist (m (reverse (subseq *chat-history* 0 (min (length *chat-history*) (- h 3)))))
(add-string chat-win m :y line-num :x 0)
(incf line-num)))
(refresh chat-win)))
;; Render Status Bar
(clear status-win)
(add-string status-win *status-text* :attributes '(:reverse))
(refresh status-win)
;; Handle Keyboard Input
(let ((ch (get-char scr)))
(when ch
(cond
((eq ch #\Newline)
(let ((cmd (coerce *input-buffer* 'string)))
(setf (fill-pointer *input-buffer*) 0)
(format *stream* "~a~%" cmd)
(finish-output *stream*)
(when (string= cmd "/exit") (setf *is-running* nil))))
((eq ch :backspace)
(when (> (length *input-buffer*) 0)
(decf (fill-pointer *input-buffer*))))
((characterp ch)
(vector-push-extend ch *input-buffer*)))
(clear input-win)
(add-string input-win (concatenate 'string "> " (coerce *input-buffer* 'string)))
(refresh input-win)))
(sleep 0.02))))
(setf *is-running* nil)
(when *socket* (usocket:socket-close *socket*))))