diff options
Diffstat (limited to 'lisp/emacs-lisp/eldoc.el')
| -rw-r--r-- | lisp/emacs-lisp/eldoc.el | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/lisp/emacs-lisp/eldoc.el b/lisp/emacs-lisp/eldoc.el index fa1574b0a8..51a4f5491b 100644 --- a/lisp/emacs-lisp/eldoc.el +++ b/lisp/emacs-lisp/eldoc.el @@ -152,7 +152,7 @@ directly. Instead, use `eldoc-add-command' and `eldoc-remove-command'.") "Idle time delay currently in use by timer. This is used to determine if `eldoc-idle-delay' is changed by the user.") -(defvar eldoc-message-function 'eldoc-minibuffer-message +(defvar eldoc-message-function #'eldoc-minibuffer-message "The function used by `eldoc-message' to display messages. It should receive the same arguments as `message'.") @@ -193,10 +193,7 @@ expression point is on." (remove-hook 'pre-command-hook 'eldoc-pre-command-refresh-echo-area t))) ;;;###autoload -(defun turn-on-eldoc-mode () - "Unequivocally turn on ElDoc mode (see command `eldoc-mode')." - (interactive) - (eldoc-mode 1)) +(define-obsolete-function-alias 'turn-on-eldoc-mode 'eldoc-mode "24.4") (defun eldoc-schedule-timer () @@ -260,6 +257,10 @@ Otherwise work like `message'." (omessage (funcall eldoc-message-function nil))))) eldoc-last-message) +(defun eldoc--message-command-p (command) + (and (symbolp command) + (intern-soft (symbol-name command) eldoc-message-commands))) + ;; This function goes on pre-command-hook for XEmacs or when using idle ;; timers in Emacs. Motion commands clear the echo area for some reason, ;; which make eldoc messages flicker or disappear just before motion @@ -268,10 +269,12 @@ Otherwise work like `message'." ;; This doesn't seem to be required for Emacs 19.28 and earlier. (defun eldoc-pre-command-refresh-echo-area () (and eldoc-last-message + (not (minibufferp)) ;We don't use the echo area when in minibuffer. (if (and (eldoc-display-message-no-interference-p) - (symbolp this-command) - (intern-soft (symbol-name this-command) eldoc-message-commands)) + (eldoc--message-command-p this-command)) (eldoc-message eldoc-last-message) + ;; No need to call eldoc-message since the echo area will be cleared + ;; for us, but do note that the last-message will be gone. (setq eldoc-last-message nil)))) ;; Decide whether now is a good time to display a message. @@ -281,10 +284,9 @@ Otherwise work like `message'." ;; timer, we're still in the middle of executing a command, ;; e.g. a query-replace where it would be annoying to ;; overwrite the echo area. - (and (not this-command) - (symbolp last-command) - (intern-soft (symbol-name last-command) - eldoc-message-commands)))) + (not this-command) + (eldoc--message-command-p last-command))) + ;; Check various conditions about the current environment that might make ;; it undesirable to print eldoc messages right this instant. @@ -313,7 +315,11 @@ Emacs Lisp mode) that support ElDoc.") ;; This is run from post-command-hook or some idle timer thing, ;; so we need to be careful that errors aren't ignored. (with-demoted-errors "eldoc error: %s" - (and (eldoc-display-message-p) + (and (or (eldoc-display-message-p) + ;; Erase the last message if we won't display a new one. + (when eldoc-last-message + (eldoc-message nil) + nil)) (if eldoc-documentation-function (eldoc-message (funcall eldoc-documentation-function)) (let* ((current-symbol (eldoc-current-symbol)) |