Function: dictionary-tooltip-mode

dictionary-tooltip-mode is an autoloaded, interactive and byte-compiled function defined in dictionary.el.gz.

Signature

(dictionary-tooltip-mode &optional ARG)

Documentation

Display tooltips for the current word.

This function can be used to enable or disable the tooltip mode for the current buffer (based on ARG). If global-tooltip-mode is active it will overwrite that mode for the current buffer.

View in manual

Probably introduced at or before Emacs version 28.1.

Key Bindings

Source Code

;; Defined in /usr/src/emacs/lisp/net/dictionary.el.gz
;;;###autoload
(defun dictionary-tooltip-mode (&optional arg)
  "Display tooltips for the current word.

This function can be used to enable or disable the tooltip mode
for the current buffer (based on ARG).  If global-tooltip-mode is
active it will overwrite that mode for the current buffer."
  (interactive "P")
  (require 'tooltip)
  (let ((on (if arg
                (> (prefix-numeric-value arg) 0)
              (not dictionary-tooltip-mode))))
    (setq-local dictionary-tooltip-mode on)
    (setq-local track-mouse on)
    (make-local-variable 'dictionary-tooltip-mouse-event)
    (dictionary-switch-tooltip-mode 1)
    (if on
        (local-set-key [mouse-movement] 'dictionary-tooltip-track-mouse)
      (local-set-key [mouse-movement] 'ignore))
    ;; Unconditionally ignore mouse-movement events on the tool bar and
    ;; tab-bar, since these are unrelated to the current buffer.
    ;; FIXME: This disables help-echo for tab-bar and tool-bar buttons.
    (local-set-key [tool-bar mouse-movement] 'ignore)
    (local-set-key [tab-bar mouse-movement] 'ignore)
    on))