X-Git-Url: https://thelambdalab.xyz/gitweb/index.cgi?a=blobdiff_plain;f=lirc.el;h=4a9054ad45a460d2abf27e297fcf59e26c5a960f;hb=75b394b85f4ff99c75653f40ecba6f3e8bf68a1b;hp=a5a0500e578cafb21a10ffd34d8eb413b31ad23c;hpb=6cee2fa822e2861b99872372a0c1cc234ca21383;p=lurk.git

diff --git a/lirc.el b/lirc.el
index a5a0500..4a9054a 100644
--- a/lirc.el
+++ b/lirc.el
@@ -30,6 +30,7 @@
 
 (provide 'lirc)
 
+
 ;;; Customizations
 ;;
 
@@ -50,9 +51,6 @@
     ("local" "localhost" 6697))
   "IRC networks.")
 
-(defcustom lirc-prompt-string "> "
-  "Prompt.")
-
 ;;; Faces
 ;;
 
@@ -68,9 +66,9 @@
   '((t :inherit org-level-2))
   "Face used for the prompt.")
 
-(defface lirc-channel
+(defface lirc-context
   '((t :inherit org-list-dt))
-  "Face used for the channel name in the prompt.")
+  "Face used for the context name in the prompt.")
 
 (defface lirc-faded
   '((t :inherit font-lock-preprocessor-face))
@@ -89,7 +87,7 @@
 
 (defvar lirc-version "Lirc v0.1")
 
-(defvar lirc-notice-prompt
+(defvar lirc-notice-prefix
   (concat
    (propertize
     "-" 'face 'lirc-faded)
@@ -98,9 +96,14 @@
    (propertize
     "-" 'face 'lirc-faded)))
 
-(defvar lirc-error-prompt
+(defvar lirc-error-prefix
   (propertize "!!!" 'face 'lirc-error))
 
+
+(defvar lirc-prompt-string
+  (propertize "> " 'face 'lirc-prompt))
+
+
 ;;; Network process
 ;;
 
@@ -113,7 +116,12 @@
       (setq lirc-response line))))
 
 (defun lirc-sentinel (proc string)
-  (message string))
+  (unless (equal "open" (string-trim string))
+    (lirc-display-error "Disconnected from server.")
+    (clrhash lirc-contexts)
+    (setq lirc-current-context nil)
+    (lirc-render-prompt)))
+  
 
 (defun lirc-start-process (network)
   (let* ((row (assoc network lirc-networks))
@@ -123,6 +131,7 @@
                           :host host
                           :service port
                           :filter #'lirc-filter
+                          :sentinel #'lirc-sentinel
                           :nowait nil
                           :tls-parameters (cons 'gnutls-x509pki
                                                 (gnutls-boot-parameters
@@ -132,11 +141,15 @@
 
 
 (defun lirc-connect (network)
-  (setq lirc-channel-list nil)
-  (setq lirc-current-channel nil)
-  (lirc-start-process network)
-  (lirc-send-msg (lirc-msg nil nil "USER" lirc-user-name 0 "*" lirc-full-name))
-  (lirc-send-msg (lirc-msg nil nil "NICK" lirc-nick)))
+  (if (get-process "lirc")
+      (lirc-display-error "Already connected.  Disconnect first.")
+    (if (not (assoc network lirc-networks))
+        (lirc-display-error "Network '" network "' is unknown.")
+      (clrhash lirc-contexts)
+      (setq lirc-current-context nil)
+      (lirc-start-process network)
+      (lirc-send-msg (lirc-msg nil nil "USER" lirc-user-name 0 "*" lirc-full-name))
+      (lirc-send-msg (lirc-msg nil nil "NICK" lirc-nick)))))
 
 (defun lirc-send-msg (msg)
   (let ((proc (get-process "lirc")))
@@ -145,19 +158,20 @@
       (lirc-display-error "No server connection established.")
       (error "No server connection established"))))
 
-;;; Messages
+
+;;; Server messages
 ;;
 
-(defun lirc-as-string (obj)
+(defun lirc--as-string (obj)
   (if obj
       (with-output-to-string (princ obj))
     nil))
 
 (defun lirc-msg (tags src cmd &rest params)
-  (list (lirc-as-string tags)
-        (lirc-as-string src)
-        (upcase (lirc-as-string cmd))
-        (mapcar #'lirc-as-string
+  (list (lirc--as-string tags)
+        (lirc--as-string src)
+        (upcase (lirc--as-string cmd))
+        (mapcar #'lirc--as-string
                 (if (and params (listp (elt params 0)))
                     (elt params 0)
                   params))))
@@ -221,47 +235,79 @@ portion of the source component of the message, as LIRC doesn't use this.")
        nil))))
 
 
-;;; Channels
+;;; Contexts and users
 ;;
 
-(defvar lirc-current-channel nil)
-(defvar lirc-channel-list nil)
-
-(defun lirc-add-channel (channel-name)
-  (add-to-list 'lirc-channel-list
-               (list channel-name)))
-
-(defun lirc-del-channel (channel-name)
-  (setq lirc-channel-list
-        (assoc-delete-all channel-name lirc-channel-list)))
-
-(defun lirc-get-channel-users (channel-name)
-  (cdr (assoc channel-name lirc-channel-list)))
-
-(defun lirc-set-channel-users (channel-name users)
-  (setcdr (assoc channel-name lirc-channel-list) users))
-
-(defun lirc-add-channel-users (channel-name &rest users)
-  (let ((current-users (lirc-get-channel-users channel-name)))
-    (lirc-set-channel-users channel-name (append users current-users))))
-
-(defun lirc-del-channel-users (channel-name &rest users)
-  (let ((current-users (lirc-get-channel-users channel-name)))
-    (lirc-set-channel-users channel-name
-                            (cl-set-difference current-users users :test #'equal))))
+(defvar lirc-context-table
+  '((channel lirc-display-channel-message)
+    (nick lirc-display-private-message)
+    (host lirc-diaplay-server-message)))
+
+(defvar lirc-current-context nil)
+(defvar lirc-contexts (make-hash-table :test #'equal))
+
+(defun lirc-add-context (name)
+  (puthash name nil lirc-contexts))
+
+(defun lirc-del-context (name)
+  (remhash name lirc-contexts))
+
+(defun lirc-get-context-users (name)
+  (gethash name lirc-contexts))
+
+(defun lirc-add-context-users (context users)
+  (puthash context
+           (append users
+                   (gethash context lirc-contexts))
+           lirc-contexts))
+
+(defun lirc-del-context-user (context user)
+  (puthash context
+           (remove user (gethash context lirc-contexts))
+           lirc-contexts))
+
+(defun lirc-del-user (user)
+  (dolist (context (lirc-get-context-list))
+    (lirc-del-context-user context user)))
+
+(defun lirc-get-context-type (name)
+  (cond
+   ((string-prefix-p "#" name) 'channel)
+   ((string-match-p (rx (or "." "localhost")) name) 'host)
+   (t 'nick)))
+
+(defun lirc-get-context-list ()
+  (let ((res nil))
+    (maphash (lambda (key val)
+               (cl-pushnew key res))
+             lirc-contexts)
+    res))
+
+(defun lirc-get-next-context (&optional prev)
+  (if lirc-current-context
+      (let* ((context-list (if prev
+                               (reverse (lirc-get-context-list))
+                             (lirc-get-context-list)))
+             (context-list* (member lirc-current-context context-list)))
+        (if (> (length context-list*) 1)
+            (cadr context-list*)
+          (car context-list)))
+    nil))
 
-(defun lirc-del-users (&rest users)
-  (dolist (channel lirc-channel-list)
-    (apply #'lirc-del-channel-users (cons (car channel) users))))
+(defun lirc-cycle-contexts (&optional rev)
+  (if lirc-current-context
+      (progn
+        (setq lirc-current-context (lirc-get-next-context rev))
+        (lirc-render-prompt))
+    (lirc-display-error "No channels joined.")))
 
-(defun lirc-rename-user (old-nick new-nick)
-  (dolist (channel lirc-channel-list)
-    (let ((channel-name (car channel))
-          (channel-users (cdr channel)))
-      (when (memq old-nick channel-users)
-        (lirc-del-channel-users old-nick)
-        (lirc-add-channel-users new-nick)))))
+(defun lirc-cycle-contexts-forward ()
+  (interactive)
+  (lirc-cycle-contexts))
 
+(defun lirc-cycle-contexts-reverse ()
+  (interactive)
+  (lirc-cycle-contexts t))
 
 ;;; Buffer
 ;;
@@ -283,23 +329,33 @@ portion of the source component of the message, as LIRC doesn't use this.")
 
 (defun lirc-render-prompt ()
   (with-current-buffer "*lirc*"
-    (save-excursion
-      (set-marker-insertion-type lirc-prompt-marker nil)
-      (set-marker-insertion-type lirc-input-marker t)
-      (let ((inhibit-read-only t))
-        (delete-region lirc-prompt-marker lirc-input-marker)
-        (goto-char lirc-prompt-marker)
-        (insert
-         (propertize (if lirc-current-channel
-                         lirc-current-channel
-                       "[no channel]")
-                     'face 'lirc-channel
-                     'read-only t)
-         (propertize lirc-prompt-string
-                     'face 'lirc-prompt
-                     'read-only t
-                     'rear-nonsticky t)))
-      (set-marker-insertion-type lirc-input-marker nil))))
+    (let ((update-point (= lirc-input-marker (point)))
+          (update-window-points (mapcar (lambda (w)
+                                          (list (= (window-point w) lirc-input-marker)
+                                                w))
+                                        (get-buffer-window-list nil nil t))))
+      (save-excursion
+        (set-marker-insertion-type lirc-prompt-marker nil)
+        (set-marker-insertion-type lirc-input-marker t)
+        (let ((inhibit-read-only t))
+          (delete-region lirc-prompt-marker lirc-input-marker)
+          (goto-char lirc-prompt-marker)
+          (insert
+           (propertize (if lirc-current-context
+                           lirc-current-context
+                         "")
+                       'face 'lirc-context
+                       'read-only t)
+           (propertize lirc-prompt-string
+                       'face 'lirc-prompt
+                       'read-only t
+                       'rear-nonsticky t)))
+        (set-marker-insertion-type lirc-input-marker nil))
+      (if update-point
+          (goto-char lirc-input-marker))
+      (dolist (v update-window-points)
+        (if (car v)
+            (set-window-point (cadr v) lirc-input-marker))))))
   
 (defvar lirc-prompt-marker nil
   "Marker for prompt position in LIRC buffer.")
@@ -315,36 +371,46 @@ portion of the source component of the message, as LIRC doesn't use this.")
     (if (markerp lirc-input-marker)
         (set-marker lirc-input-marker (point-max))
       (setq lirc-input-marker (point-max-marker)))
-    (lirc-render-prompt)
     (goto-char (point-max))
-    (recenter -1)))
+    (lirc-render-prompt)))
 
 
 ;;; Output formatting
 ;;
 
-(defun lirc-display-action (channel nick action)
-  (lirc-display-string (concat " * "
+(defun lirc-display-message (from to text)
+  (let* ((to-type (lirc-get-context-type to))
+         (display-fun (cadr (assoc to-type lirc-context-table))))
+    (funcall display-fun from to text)))
+
+(defun lirc-display-channel-message (from to text)
+  (lirc-display-string
+   (propertize (concat to
+                       " <" from "> "
+                       text)
+               'face 'lirc-text)))
+               
+
+(defun lirc-display-action (channel-name nick action)
+  (lirc-display-string (concat channel-name
+                               " * "
                                (propertize (concat nick " " action)
                                            'face 'lirc-text))))
 
-(defun lirc-display-message (channel nick message)
+(defun lirc-display-private-message (from to text)
   (lirc-display-string
    (concat
-    (propertize (concat channel " ")
-                'face 'lirc-text)
-    (propertize (concat "<" nick "> ")
-                'face
-                (if (equal nick lirc-nick)
-                    'lirc-your-nick
-                  'lirc-text))
-    (propertize message 'face 'lirc-text))))
+    (propertize
+     (concat "[" from " -> " to "] "
+             text)
+     'face 'lirc-text))))
+        
 
 (defun lirc-display-notice (&rest notices)
-  (lirc-display-string lirc-notice-prompt " " (apply #'concat notices)))
+  (lirc-display-string lirc-notice-prefix " " (apply #'concat notices)))
 
 (defun lirc-display-error (&rest messages)
-  (lirc-display-string lirc-error-prompt " "
+  (lirc-display-string lirc-error-prefix " "
                        (propertize (apply #'concat messages)
                                    'face 'lirc-error)))
 
@@ -364,49 +430,49 @@ portion of the source component of the message, as LIRC doesn't use this.")
        (let* ((params (lirc-msg-params msg))
               (channel (elt params 2))
               (names (split-string (elt params 3))))
-         (apply #'lirc-add-channel-users (cons channel names))))
+         (lirc-add-context-users channel names)))
 
       ("366" ; ENDOFNAMES
        (lirc-display-notice
-        (lirc-as-string (length (lirc-get-channel-users lirc-current-channel)))
-        " users in " lirc-current-channel))
+        (lirc-as-string (length (lirc-get-context-users lirc-current-context)))
+        " users in " lirc-current-context))
 
       ((rx (= 3 (any digit)))
        (lirc-display-notice (mapconcat 'identity (cdr (lirc-msg-params msg)) " ")))
 
       ((and "JOIN"
             (guard (equal lirc-nick (lirc-msg-src msg))))
-       (let ((channel (car (lirc-msg-params msg))))
-         (setq lirc-current-channel channel)
-         (lirc-add-channel channel)
-         (lirc-display-notice "Joining channel " channel)
+       (let ((channel-name (car (lirc-msg-params msg))))
+         (lirc-add-context channel-name)
+         (setq lirc-current-context channel-name)
+         (lirc-display-notice "Joining channel " channel-name)
          (lirc-render-prompt)))
 
       ("JOIN"
-       (let ((channel (car (lirc-msg-params msg)))
+       (let ((channel-name (car (lirc-msg-params msg)))
              (nick (lirc-msg-src msg)))
-         (lirc-add-channel-users channel nick)
-         (lirc-display-notice nick " joined channel " channel)))
+         (lirc-add-context-users channel-name (list nick))
+         (lirc-display-notice nick " joined channel " channel-name)))
 
       ((and "PART"
             (guard (equal lirc-nick (lirc-msg-src msg))))
-       (let ((channel (car (lirc-msg-params msg))))
-         (lirc-display-notice "Left channel " channel)
-         (lirc-del-channel (car (lirc-msg-params msg)))
-         (when (equal lirc-current-channel channel)
-           (setq lirc-current-channel nil)
-           (lirc-render-prompt))))
+       (let ((channel-name (car (lirc-msg-params msg))))
+         (lirc-display-notice "Left channel " channel-name)
+         (lirc-del-context channel-name)
+         (if (equal channel-name lirc-current-context)
+             (setq lirc-current-context (lirc-get-next-context)))
+         (lirc-render-prompt)))
 
       ("PART"
-       (let ((channel (car (lirc-msg-params msg)))
+       (let ((channel-name (car (lirc-msg-params msg)))
              (nick (lirc-msg-src msg)))
-         (lirc-del-channel-users channel nick)
-         (lirc-display-notice nick " left channel " channel)))
+         (lirc-del-context-user channel-name nick)
+         (lirc-display-notice nick " left channel " channel-name)))
 
       ("QUIT"
        (let ((nick (lirc-msg-src msg))
              (reason (mapconcat 'identity (lirc-msg-params msg) " ")))
-         (lirc-del-users nick)
+         (lirc-del-user nick)
          (lirc-display-notice nick " quit: " reason)))
 
       ((and "NICK"
@@ -433,32 +499,28 @@ portion of the source component of the message, as LIRC doesn't use this.")
             (lirc-display-notice text)))))
 
       ("PRIVMSG"
-       (let ((nick (lirc-msg-src msg))
-             (channel (car (lirc-msg-params msg)))
-             (text (cadr (lirc-msg-params msg))))
+       (let* ((from (lirc-msg-src msg))
+              (params (lirc-msg-params msg))
+              (to (car params))
+              (text (cadr params)))
          (pcase text
-           ((rx (: "\01ACTION "
-                   (let action (* (not "\01")))
-                   "\01"))
-            (lirc-display-action nick action))
-
            ("\01VERSION\01"
             (let ((version-string (concat lirc-version " - running on GNU Emacs " emacs-version)))
               (lirc-send-msg (lirc-msg nil nil "NOTICE"
-                                       (list nick (concat "\01VERSION "
+                                       (list from (concat "\01VERSION "
                                                           version-string
                                                           "\01")))))
-            (lirc-display-notice "CTCP version request received from " nick))
+            (lirc-display-notice "CTCP version request received from " from))
 
            ((rx (let ping (: "\01PING " (* (not "\01")) "\01")))
-            (lirc-send-msg (lirc-msg nil nil "NOTICE" (list nick ping)))
-            (lirc-display-notice "CTCP ping received from " nick))
+            (lirc-send-msg (lirc-msg nil nil "NOTICE" (list from ping)))
+            (lirc-display-notice "CTCP ping received from " from))
 
            ("\01USERINFO\01"
-            (lirc-display-notice "CTCP userinfo request from " nick " (no response sent)"))
+            (lirc-display-notice "CTCP userinfo request from " from " (no response sent)"))
 
            (_
-            (lirc-display-message channel nick text)))))
+            (lirc-display-message from to text)))))
       (_
        (lirc-display-string (lirc-msg->string msg))))))
 
@@ -470,15 +532,15 @@ portion of the source component of the message, as LIRC doesn't use this.")
   (if (string-prefix-p "/" string)
       (pcase (substring string 1)
         ((rx (: "CONNECT " (let network (* not-newline))))
-         (lirc-display-notice "Connecting to " network "...")
+         (lirc-display-notice "Attempting to connect to " network "...")
          (lirc-connect network))
 
         ((rx (: "TOPIC " (let new-topic (* not-newline))))
-         (lirc-send-msg (lirc-msg nil nil "TOPIC" lirc-current-channel new-topic)))
+         (lirc-send-msg (lirc-msg nil nil "TOPIC" lirc-current-context new-topic)))
 
         ((rx (: "ME " (let action (* not-newline))))
          (lirc-send-msg (lirc-msg nil nil "PRIVMSG"
-                                  (list lirc-current-channel
+                                  (list lirc-current-context
                                         (concat "\01ACTION " action "\01"))))
          (lirc-display-action lirc-nick action))
 
@@ -488,18 +550,18 @@ portion of the source component of the message, as LIRC doesn't use this.")
          (lirc-display-notice "CTCP version request sent to " nick))
 
         ((rx "PART" (opt (: " " (let channel (* not-newline)))))
-         (if (or lirc-current-channel channel)
+         (if (or lirc-current-context channel)
              (lirc-send-msg (lirc-msg nil nil "PART" (if channel
                                                          channel
-                                                       lirc-current-channel)))
+                                                       lirc-current-context)))
            (lirc-display-error "No current channel to leave.")))
 
         ((rx "MSG "
-             (let target (* (not whitespace)))
+             (let to (* (not whitespace)))
              " "
              (let text (* not-newline)))
-         (lirc-send-msg (lirc-msg nil nil "PRIVMSG" target text))
-         (lirc-display-message target lirc-nick text))
+         (lirc-send-msg (lirc-msg nil nil "PRIVMSG" to text))
+         (lirc-display-message lirc-nick to text))
 
         ((rx (: (let cmd-str (+ (not whitespace)))
                 (opt (: " " (let params-str (* not-newline))))))
@@ -509,11 +571,13 @@ portion of the source component of the message, as LIRC doesn't use this.")
                                     nil)))))
 
     (unless (string-empty-p string)
-      (if lirc-current-channel
+      (if lirc-current-context
           (progn
-            (lirc-send-msg (lirc-msg nil nil "PRIVMSG" lirc-current-channel string))
-            (lirc-display-message lirc-current-channel lirc-nick string))
-        (lirc-display-error "No current channel.")))))
+            (lirc-send-msg (lirc-msg nil nil "PRIVMSG"
+                                     lirc-current-context
+                                     string))
+            (lirc-display-message lirc-nick lirc-current-context string))
+        (lirc-display-error "No current context.")))))
 
 (defun lirc-enter ()
   "Enter current contents of line after prompt."
@@ -525,13 +589,14 @@ portion of the source component of the message, as LIRC doesn't use this.")
       (delete-region lirc-input-marker (point-max)))))
 
 
-
 ;;; Mode
 ;;
 
 (defvar lirc-mode-map
   (let ((map (make-sparse-keymap)))
     (define-key map (kbd "RET") 'lirc-enter)
+    (define-key map (kbd "<C-tab>") 'lirc-cycle-contexts-forward)
+    (define-key map (kbd "<C-S-tab>") 'lirc-cycle-contexts-reverse)
     map))
 
 (define-derived-mode lirc-mode text-mode "lirc"