tvl-depot/tools/emacs/config/term-setup.el
2019-12-14 15:24:53 +00:00

36 lines
1.3 KiB
EmacsLisp

;; Utilities for X11 terminal buffers.
(defvar x11-terminal-program "gnome-terminal"
"Which X11 terminal application to use.")
(defvar x11-terminal-buffer-prefix "Term"
"String prefix for X11 terminal buffer names.")
(defun open-or-create-terminal-buffer (buffer-name)
"Switch to the buffer with BUFFER-NAME or create a new buffer
running the configured X11 terminal."
(let ((buffer (get-buffer buffer-name)))
(if (not buffer)
(run-external-command x11-terminal-program)
(switch-to-buffer buffer))))
(defun is-terminal-buffer (buffer)
"Determine whether BUFFER runs an X11 terminal."
(and (equal 'exwm-mode (buffer-local-value 'major-mode buffer))
(s-starts-with? x11-terminal-buffer-prefix (buffer-name buffer))))
(defun counsel-switch-to-terminal ()
"Switch to an X11 terminal buffer, or create a new one."
(interactive)
(let ((terms (-map #'buffer-name
(-filter #'is-terminal-buffer (buffer-list)))))
(if terms
(ivy-read "Switch to terminal buffer: "
(cons "New terminal" terms)
:caller 'counsel-switch-to-terminal
:preselect (s-concat "^" x11-terminal-buffer-prefix)
:require-match t
:action #'open-or-create-terminal-buffer)
(run-external-command x11-terminal-program))))
(provide 'term-setup)