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| author | Chong Yidong <cyd@stupidchicken.com> | 2009-04-28 02:16:49 +0000 |
|---|---|---|
| committer | Chong Yidong <cyd@stupidchicken.com> | 2009-04-28 02:16:49 +0000 |
| commit | 68a4b77d156889d6e924c6af20365d26882b5343 (patch) | |
| tree | 642ea21c92dbed350aac489115450b6c9ca92159 /lisp/tooltip.el | |
| parent | 7048562d01cc38bed3e2bcae52eeb0afe749ab0e (diff) | |
| download | emacs-68a4b77d156889d6e924c6af20365d26882b5343.tar.gz | |
* tooltip.el (tooltip-show-help): Fall back on
tooltip-show-help-non-mode for text-only displays.
Diffstat (limited to 'lisp/tooltip.el')
| -rw-r--r-- | lisp/tooltip.el | 36 |
1 files changed, 20 insertions, 16 deletions
diff --git a/lisp/tooltip.el b/lisp/tooltip.el index 918c955dfaf..6c34e950268 100644 --- a/lisp/tooltip.el +++ b/lisp/tooltip.el @@ -327,7 +327,8 @@ This is used by `tooltip-show-help' and "The previous content of the echo area.") (defun tooltip-show-help-non-mode (help) - "Function installed as `show-help-function' when tooltip is off." + "Function installed as `show-help-function' when Tooltip mode is off. +It is also called if Tooltip mode is on, for text-only displays." (when (and (not (window-minibuffer-p)) ;Don't overwrite minibuffer contents. (not cursor-in-echo-area)) ;Don't overwrite a prompt. (cond @@ -353,21 +354,24 @@ This is used by `tooltip-show-help' and (defun tooltip-show-help (msg) "Function installed as `show-help-function'. MSG is either a help string to display, or nil to cancel the display." - (let ((previous-help tooltip-help-message)) - (setq tooltip-help-message msg) - (cond ((null msg) - ;; Cancel display. This also cancels a delayed tip, if - ;; there is one. - (tooltip-hide)) - ((equal previous-help msg) - ;; Same help as before (but possibly the mouse has moved). - ;; Keep what we have. - ) - (t - ;; A different help. Remove a previous tooltip, and - ;; display a new one, with some delay. - (tooltip-hide) - (tooltip-start-delayed-tip))))) + (if (display-graphic-p) + (let ((previous-help tooltip-help-message)) + (setq tooltip-help-message msg) + (cond ((null msg) + ;; Cancel display. This also cancels a delayed tip, if + ;; there is one. + (tooltip-hide)) + ((equal previous-help msg) + ;; Same help as before (but possibly the mouse has moved). + ;; Keep what we have. + ) + (t + ;; A different help. Remove a previous tooltip, and + ;; display a new one, with some delay. + (tooltip-hide) + (tooltip-start-delayed-tip)))) + ;; On text-only displays, try `tooltip-show-help-non-mode'. + (tooltip-show-help-non-mode msg))) (defun tooltip-help-tips (event) "Hook function to display a help tooltip. |