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;;; acdw-irc.el -*- lexical-binding: t; coding: utf-8-unix -*-
(require 's nil :noerror)
(defgroup acdw-irc nil
"Customizations for IRC."
:group 'applications)
(defcustom acdw-irc/left-margin 16
"The size of the margin for nicks, etc. on the left."
:type 'integer)
(defcustom acdw-irc/pre-nick ""
"What to show before a nick."
:type 'string)
(defcustom acdw-irc/post-nick " | "
"What to show after a nick."
:type 'string)
(defcustom acdw-irc/pre-my-nick "-"
"What to show before the current user's nick."
:type 'string)
(defcustom acdw-irc/post-my-nick "-> "
"What to show after the current user's nick."
:type 'string)
(defcustom acdw-irc/ellipsis "~"
"The ellipsis for when a string is too long."
:type 'string)
;;; Convenience functions (I don't want to /depend/ on s.el)
(if (fboundp 's-repeat)
(defalias 'repeat-string 's-repeat)
(defun repeat-string (num s)
"Make a string of STR repeated NUM times.
Stolen from s.el."
(declare (pure t) (side-effect-free t))
(let (ss)
(while (> num 0)
(setq ss (cons s ss))
(setq num (1- num)))
(apply 'concat ss))))
(if (fboundp 's-truncate)
(defalias 'truncate-string 's-truncate)
(defun truncate-string (len s &optional ellipsis)
"If STR is longer than LEN, cut it down and add ELLIPSIS to the end.
When not specified, ELLIPSIS defaults to '...'."
(declare (pure t) (side-effect-free t))
(unless ellipsis
(setq ellipsis "..."))
(if (> (length s) len)
(format "%s%s" (substring s 0 (- len (length ellipsis))) ellipsis)
s)))
;;; IRC stuff
(defun acdw-irc/margin-format (str &optional before after alignment)
"Print STR to fit in `acdw-irc/left-margin'.
Optional arguments BEFORE and AFTER specify strings to go
... before and after the string. ALIGNMENT aligns left on nil
and right on t."
(let* ((before (or before ""))
(after (or after ""))
(str-length (length str))
(before-length (length before))
(after-length (length after))
(max-length (- acdw-irc/left-margin 1 (+ before-length after-length)))
(left-over (max 0 (- max-length str-length))))
(format "%s%s%s%s%s"
before
(if alignment (repeat-string left-over " ") "")
(truncate-string max-length str acdw-irc/ellipsis)
(if alignment "" (repeat-string left-over " "))
after)))
(defun irc ()
"Connect to all IRC networks in `circe-network-options'."
(interactive)
(dolist (network (mapcar #'car circe-network-options))
(circe-maybe-connect network)))
(defun circe-network-connected-p (network)
"Return non-nil if there's any Circe server-buffer whose
`circe-server-netwok' is NETWORK."
(catch 'return
(dolist (buffer (circe-server-buffers))
(with-current-buffer buffer
(if (string= network circe-server-network)
(throw 'return t))))))
(defun circe-maybe-connect (network)
"Connect to NETWORK, but ask user for confirmation if it's
already been connected to."
(interactive "sNetwork: ")
(if (or (not (circe-network-connected-p network))
(y-or-n-p (format "Already connected to %s, reconnect?" network)))
(circe network)))
;; the most important command ever.
(defun circe-command-SLAP (nick)
"Slap NICK around with a large trout."
(interactive "sNick: ")
(if (not circe-chat-target)
(circe-display-server-message "No target for current buffer")
(let ((line (concat "slaps " nick " around a bit with a large trout")))
(circe-display 'circe-format-self-action
:body line
:nick (circe-nick))
(irc-send-ctcp (circe-server-process)
circe-chat-target
"ACTION" line))))
(provide 'acdw-irc)
;;; acdw-irc.el ends here
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