tvl-depot/tools/emacs-pkgs/term-switcher/term-switcher.el
Vincent Ambo fa8288823b fix(emacs-pkgs/term-switcher): don't open vterm over tramp
vterm doesn't really seem to support this, but it also doesn't stop
the user from doing it, resulting in weirdly broken terminals.

Change-Id: I5251306a2fb72e7aae4e6c70e522bad240222301
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9017
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
Autosubmit: tazjin <tazjin@tvl.su>
2023-08-08 10:52:24 +00:00

62 lines
1.9 KiB
EmacsLisp

;;; term-switcher.el --- Easily switch between open vterms
;;
;; Copyright (C) 2019-2020 Google Inc.
;; Copyright (C) 2021-2023 The TVL Authors
;;
;; Author: Vincent Ambo <tazjin@tvl.su>
;; Version: 1.1
;; Package-Requires: (dash ivy s vterm)
;;
;;; Commentary:
;;
;; This package adds a function that lets users quickly switch between
;; different open vterms via ivy.
(require 'dash)
(require 'ivy)
(require 's)
(require 'vterm)
(defgroup term-switcher nil
"Customization options `term-switcher'.")
(defcustom term-switcher-buffer-prefix "vterm<"
"String prefix for vterm terminal buffers. For example, if you
set your titles to match `vterm<...>' a useful prefix might be
`vterm<'."
:type '(string)
:group 'term-switcher)
(defun ts/open-or-create-vterm (buffer-name)
"Switch to the buffer with BUFFER-NAME or create a new vterm
buffer."
(if (equal "New vterm" buffer-name)
;; Don't open semi-broken vterms over tramp.
(if (file-remote-p default-directory)
(let ((default-directory "~"))
(vterm))
(vterm))
(if-let ((buffer (get-buffer buffer-name)))
(switch-to-buffer buffer)
(error "Could not find vterm buffer: %s" buffer-name))))
(defun ts/is-vterm-buffer (buffer)
"Determine whether BUFFER runs a vterm."
(equal 'vterm-mode (buffer-local-value 'major-mode buffer)))
(defun ts/switch-to-terminal ()
"Switch to an existing vterm buffer or create a new one."
(interactive)
(let ((terms (-map #'buffer-name
(-filter #'ts/is-vterm-buffer (buffer-list)))))
(if terms
(ivy-read "Switch to vterm: "
(cons "New vterm" terms)
:caller 'ts/switch-to-terminal
:preselect (s-concat "^" term-switcher-buffer-prefix)
:require-match t
:action #'ts/open-or-create-vterm)
(vterm))))
(provide 'term-switcher)