about summary refs log blame commit diff
path: root/tools/emacs/init/term-setup.el
blob: cd4f9c25ef73da5a2ffff6b27169ecf2152fb7d3 (plain) (tree)
1
2
3
4
5
6
7
8
9
10
11
                                      
 








                                                               

                                          
                                                   

                                  

                                                  
                                                                 
                                                                         
 

                                                          
               
                                  
                                                                    
             
                                               
                                             

                                                                      
                                  

                                                           
 
                     
;; 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)