Variable: window-tool-bar-mode-hook

window-tool-bar-mode-hook is a customizable variable defined in window-tool-bar.el.gz.

Value

(window-tool-bar-mode-set-explicitly(var)/window-tool-bar-mode-set-explicitly(fun))

Documentation

Hook run after entering or leaving window-tool-bar-mode(var)/window-tool-bar-mode(fun).

No problems result if this variable is not bound. add-hook automatically binds it. (This is true for all hook variables.)

Source Code

;; Defined in /usr/src/emacs/lisp/window-tool-bar.el.gz
;;;###autoload
(define-minor-mode window-tool-bar-mode
  "Toggle display of the tool bar in the tab line of the current buffer."
  :global nil
  (let ((should-display (and window-tool-bar-mode
                             tool-bar-map))
        (default-value '(:eval (window-tool-bar-string))))

    ;; Preserve existing tab-line set outside of this mode
    (if (or (null tab-line-format)
	    (equal tab-line-format default-value))
        (if should-display
            (setq tab-line-format default-value)
          (setq tab-line-format nil))
      (message
       "tab-line-format set outside of window-tool-bar-mode, currently `%S'"
       tab-line-format))))