137 lines
5.0 KiB
Org Mode
137 lines
5.0 KiB
Org Mode
:PROPERTIES:
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:ID: tui-client-spec
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:CREATED: [2026-04-17 Fri 11:00]
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:END:
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#+TITLE: OpenCortex TUI Client (Standalone)
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#+STARTUP: content
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#+FILETAGS: :tui:ux:client:
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* Overview
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The OpenCortex TUI Client is a standalone Common Lisp executable providing a rich, interactive terminal experience via the ~croatoan~ library.
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* Phase D: Build (Implementation)
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** Package Definition
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#+begin_src lisp :tangle ../src/tui-client.lisp
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(in-package :cl-user)
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(defpackage :opencortex.tui
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(:use :cl :croatoan)
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(:export :main))
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(in-package :opencortex.tui)
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#+end_src
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** State & Global Queues
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#+begin_src lisp :tangle ../src/tui-client.lisp
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(defvar *daemon-host* "127.0.0.1")
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(defvar *daemon-port* 9105)
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(defvar *socket* nil)
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(defvar *stream* nil)
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(defvar *chat-history* (list))
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(defvar *status-text* "Connecting...")
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(defvar *input-buffer* (make-array 0 :element-type 'char :fill-pointer 0 :adjustable t))
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(defvar *is-running* t)
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(defvar *queue-lock* (bt:make-lock))
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(defvar *incoming-msgs* nil)
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#+end_src
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** Networking Thread
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#+begin_src lisp :tangle ../src/tui-client.lisp
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(defun enqueue-msg (msg)
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(bt:with-lock-held (*queue-lock*)
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(push msg *incoming-msgs*)))
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(defun dequeue-msgs ()
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(bt:with-lock-held (*queue-lock*)
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(let ((msgs (nreverse *incoming-msgs*)))
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(setf *incoming-msgs* nil)
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msgs)))
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(defun listen-thread ()
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(loop while *is-running* do
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(handler-case
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(when (and *stream* (open-stream-p *stream*))
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(let ((line (read-line *stream* nil :eof)))
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(if (eq line :eof)
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(setf *is-running* nil)
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(let* ((*read-eval* nil)
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(sexp (ignore-errors (read-from-string line))))
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(if (and sexp (listp sexp))
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(cond
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((eq (getf sexp :type) :status)
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(setf *status-text* (format nil "[Scribe: ~a] [Gardener: ~a]"
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(getf sexp :scribe)
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(getf sexp :gardener))))
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((eq (getf sexp :type) :chat)
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(enqueue-msg (getf sexp :text)))
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((eq (getf sexp :type) :info)
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(enqueue-msg (format nil "*System*: ~a" (getf sexp :text))))
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((eq (getf sexp :type) :error)
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(enqueue-msg (format nil "*Error*: ~a" (getf sexp :text))))
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(t (enqueue-msg line)))
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(enqueue-msg line))))))
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(error () (setf *is-running* nil)))
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(sleep 0.05)))
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#+end_src
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** Main TUI Loop
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#+begin_src lisp :tangle ../src/tui-client.lisp
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(defun main ()
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(handler-case
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(setf *socket* (usocket:socket-connect *daemon-host* *daemon-port*))
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(error (e) (format t "Error connecting: ~a~%" e) (return-from main)))
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(setf *stream* (usocket:socket-stream *socket*))
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(bt:make-thread #'listen-thread :name "tui-listener")
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(unwind-protect
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(with-screen (scr :input-echoing nil :input-blocking nil :enable-colors t :cursor-visible t)
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(let* ((h (height scr))
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(w (width scr))
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(chat-win (make-window (list (- h 2) w 0 0)))
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(status-win (make-window (list 1 w (- h 2) 0)))
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(input-win (make-window (list 1 w (- h 1) 0))))
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(loop while *is-running* do
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;; Handle incoming messages
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(let ((new-msgs (dequeue-msgs)))
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(when new-msgs
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(dolist (msg new-msgs)
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(push msg *chat-history*)
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(setf *chat-history* (subseq *chat-history* 0 (min (length *chat-history*) 500))))
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(clear chat-win)
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(let ((line-num 0))
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(dolist (m (reverse (subseq *chat-history* 0 (min (length *chat-history*) (- h 3)))))
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(add-string chat-win m :y line-num :x 0)
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(incf line-num)))
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(refresh chat-win)))
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;; Render Status Bar
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(clear status-win)
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(add-string status-win *status-text* :attributes '(:reverse))
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(refresh status-win)
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;; Handle Keyboard Input
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(let ((ch (get-char scr)))
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(when ch
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(cond
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((eq ch #\Newline)
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(let ((cmd (coerce *input-buffer* 'string)))
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(setf (fill-pointer *input-buffer*) 0)
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(format *stream* "~a~%" cmd)
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(finish-output *stream*)
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(when (string= cmd "/exit") (setf *is-running* nil))))
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((eq ch :backspace)
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(when (> (length *input-buffer*) 0)
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(decf (fill-pointer *input-buffer*))))
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((characterp ch)
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(vector-push-extend ch *input-buffer*)))
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(clear input-win)
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(add-string input-win (concatenate 'string "> " (coerce *input-buffer* 'string)))
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(refresh input-win)))
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(sleep 0.02))))
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(setf *is-running* nil)
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(when *socket* (usocket:socket-close *socket*))))
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#+end_src
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