功能：
- 多个vterm
- buffer name和当天目录自动同步
- toggle命令，可以自动新建目录在当前目录的vterm进程 (
vterm-toggle/C-u vterm-toggle) - vterm之间跳转 (
switch-buffer-same-major-mode)
(require 'cl-lib)
;;; Package
(use-package vterm
:load-path "~/attic/emacs-libvterm"
:config
(setq vterm-shell "zsh")
(add-hook 'vterm-set-title-functions 'vterm--rename-buffer-as-title))
;;; Functions
(defun vterm--rename-buffer-as-title (title)
(rename-buffer (format "vterm @ %s" title) t))
(defvar vterm-toggle-prev-buffer nil
"Used by ‘vterm-toggle’.")
(defun vterm-buffer-list ()
"Return a list of vterm buffers."
(cl-remove-if-not (lambda (buf)
(provided-mode-derived-p
(buffer-local-value 'major-mode buf)
'vterm-mode))
(buffer-list)))
(defun vterm-cd (dir)
"cd to DIR."
(when (derived-mode-p 'vterm-mode)
(vterm-send-key "u" nil nil t)
(execute-kbd-macro (format "cd %s
" dir))))
(defun vterm-toggle (&optional arg)
"Toggle vterm.
ARG: C-u: open the vterm buffer with the same dir of current buffer
If there exists an Vterm buffer with current directory, use that,
otherwise create one.
C-u C-u: same as C-u, but reuse a existing vterm buffer instead of
creating one."
(interactive "p")
(if (derived-mode-p 'vterm-mode)
;; toggle off
(if vterm-toggle-prev-buffer
(switch-to-buffer vterm-toggle-prev-buffer)
(user-error "No previous buffer to jump back to"))
;; toggle on
(let ((buffer-list (vterm-buffer-list)))
(cond
((or (eq arg 4) ; C-u
(eq arg 16)) ; C-u C-u
;; open in current dir
(let* ((dir default-directory)
(buffer-with-same-dir
(catch 'found
(dolist (buffer buffer-list nil)
(when (equal dir (buffer-local-value
'default-directory
buffer))
(throw 'found buffer))))))
;; found the buffer with the same dir
(setq vterm-toggle-prev-buffer
(current-buffer))
(if buffer-with-same-dir
(switch-to-buffer buffer-with-same-dir)
;; or not and maybe create a new one
(switch-to-buffer
(if (eq arg 16)
(progn (message "No valid vterm buffer found, reuse one.")
(car buffer-list))
(message "No valid vterm buffer found, create a new one.")
(vterm)))
(vterm-cd dir))))
;; simply open
(t (setq vterm-toggle-prev-buffer (current-buffer))
(switch-to-buffer (or (car buffer-list)
(vterm))))))))
(defun switch-buffer-same-major-mode ()
"Switch buffer among those who have the same major mode as the current one."
(interactive)
(switch-to-buffer
(completing-read
"Buffer: "
(mapcar #'buffer-name
(cl-remove-if-not (lambda (buf)
(provided-mode-derived-p
(buffer-local-value 'major-mode buf)
major-mode))
(buffer-list))))))
.zshrc:
# vterm dir tracking
vterm_prompt_end() {
# or maybe only pwd?
printf "\e]51;A$(whoami)@$(hostname):$(pwd)\e\\";
}
PROMPT=$PROMPT"%{$(vterm_prompt_end)%}"
# sync title
# https://github.com/ohmyzsh/ohmyzsh/issues/5700
function precmd () {
window_title="\033]0;${PWD##*/}\007"
echo -ne "$window_title"
}