Function: turn-on-xterm-mouse-tracking-on-terminal

turn-on-xterm-mouse-tracking-on-terminal is a byte-compiled function defined in xt-mouse.el.gz.

Signature

(turn-on-xterm-mouse-tracking-on-terminal &optional TERMINAL)

Documentation

Enable xterm mouse tracking on TERMINAL.

Source Code

;; Defined in /usr/src/emacs/lisp/xt-mouse.el.gz
(defun turn-on-xterm-mouse-tracking-on-terminal (&optional terminal)
  "Enable xterm mouse tracking on TERMINAL."
  (when (and xterm-mouse-mode (eq t (terminal-live-p terminal))
	     ;; Avoid the initial terminal which is not a termcap device.
	     ;; FIXME: is there more elegant way to detect the initial
             ;; terminal?
	     (not (string= (terminal-name terminal) "initial_terminal")))
    (unless (terminal-parameter terminal 'xterm-mouse-mode)
      ;; Simulate selecting a terminal by selecting one of its frames
      ;; so that we can set the terminal-local `input-decode-map'.
      (with-selected-frame (car (frames-on-display-list terminal))
        (define-key input-decode-map "\e[M" 'xterm-mouse-translate)
        (define-key input-decode-map "\e[<" 'xterm-mouse-translate-extended))
      (let ((enable (xterm-mouse-tracking-enable-sequence))
            (disable (xterm-mouse-tracking-disable-sequence)))
        (condition-case err
            (send-string-to-terminal enable terminal)
          ;; FIXME: This should use a dedicated error signal.
          (error (if (equal (cadr err) "Terminal is currently suspended")
                     nil ; The sequence will be sent upon resume.
                   (signal (car err) (cdr err)))))
        (push enable (terminal-parameter nil 'tty-mode-set-strings))
        (push disable (terminal-parameter nil 'tty-mode-reset-strings))
        (set-terminal-parameter terminal 'xterm-mouse-mode t)
        (set-terminal-parameter terminal 'xterm-mouse-utf-8
                                xterm-mouse-utf-8)))))