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-rw-r--r--lisp/emacs-lisp/warnings.el24
1 files changed, 22 insertions, 2 deletions
diff --git a/lisp/emacs-lisp/warnings.el b/lisp/emacs-lisp/warnings.el
index 9bed714aa11..68db33bfa68 100644
--- a/lisp/emacs-lisp/warnings.el
+++ b/lisp/emacs-lisp/warnings.el
@@ -106,6 +106,7 @@ so only the element (FOO) will match it."
:type '(repeat (repeat symbol))
:version "22.1")
+;;;###autoload
(defcustom warning-suppress-types nil
"List of warning types not to display immediately.
If any element of this list matches the TYPE argument to `display-warning',
@@ -119,6 +120,14 @@ so only the element (FOO) will match it.
See also `warning-suppress-log-types'."
:type '(repeat (repeat symbol))
:version "22.1")
+
+(defcustom warning-display-at-bottom t
+ "Display the warning buffer at the bottom of the screen.
+The output window will be scrolled to the bottom of the buffer
+to show the last warning message."
+ :type 'boolean
+ :version "30.1")
+
;; The autoload cookie is so that programs can bind this variable
;; safely, testing the existing value, before they call one of the
@@ -361,10 +370,21 @@ entirely by setting `warning-suppress-types' or
(or (< (warning-numeric-level level)
(warning-numeric-level warning-minimum-level))
(warning-suppress-p type warning-suppress-types)
- (let ((window (display-buffer buffer)))
- (when (and (markerp warning-series)
+ (let ((window (display-buffer
+ buffer
+ (when warning-display-at-bottom
+ '(display-buffer--maybe-at-bottom
+ (window-height . (lambda (window)
+ (fit-window-to-buffer window 10)))
+ (category . warning))))))
+ (when (and window (markerp warning-series)
(eq (marker-buffer warning-series) buffer))
(set-window-start window warning-series))
+ (when (and window warning-display-at-bottom)
+ (with-selected-window window
+ (goto-char (point-max))
+ (forward-line -1)
+ (recenter -1)))
(sit-for 0)))))))))
;; Use \\<special-mode-map> so that help-enable-autoload can do its thing.