Add a new regexp variable to control boring winner buffers

* doc/emacs/windows.texi (Window Convenience): Mention it.

* lisp/winner.el (winner-boring-buffers-regexp): New variable.

* lisp/winner.el (winner-set): Use it (bug#11151).

1 files changed, 20 insertions, 14 deletions

diff --git a/lisp/winner.el b/lisp/winner.el
index 92dd9c0f122..ec3b296489c 100644
--- a/lisp/winner.el
+++ b/lisp/winner.el
@@ -57,21 +57,22 @@
 
 (defcustom winner-dont-bind-my-keys nil
   "Non-nil means do not bind keys in Winner mode."
-  :type  'boolean
-  :group 'winner)
+  :type 'boolean)
 
 (defcustom winner-ring-size 200
   "Maximum number of stored window configurations per frame."
-  :type  'integer
-  :group 'winner)
+  :type 'integer)
 
 (defcustom winner-boring-buffers '("*Completions*")
   "List of buffer names whose windows `winner-undo' will not restore.
 You may want to include buffer names such as *Help*, *Apropos*,
 *Buffer List*, *info* and *Compile-Log*."
-  :type '(repeat string)
-  :group 'winner)
+  :type '(repeat string))
 
+(defcustom winner-boring-buffers-regexp nil
+  "`winner-undo' will not restore windows with buffers matching this regexp."
+  :type 'string
+  :version "27.1")
 
 
 ;;;; Saving old configurations (internal variables and subroutines)
@@ -273,8 +274,9 @@ You may want to include buffer names such as *Help*, *Apropos*,
 
 ;; Make sure point does not end up in the minibuffer and delete
 ;; windows displaying dead or boring buffers
-;; (c.f. `winner-boring-buffers').  Return nil if all the windows
-;; should be deleted.  Preserve correct points and marks.
+;; (c.f. `winner-boring-buffers') and `winner-boring-buffers-regexp'.
+;; Return nil if all the windows should be deleted.  Preserve correct
+;; points and marks.
 (defun winner-set (conf)
   ;; For the format of `conf', see `winner-conf'.
   (let* ((buffers nil)
@@ -302,8 +304,12 @@ You may want to include buffer names such as *Help*, *Apropos*,
                                     (not (= marker pos)))
                            (setq pos marker))
                          (setf (window-point win) pos)))
-                     (not (member (buffer-name (window-buffer win))
-                                  winner-boring-buffers)))
+                     (not (or (member (buffer-name (window-buffer win))
+                                      winner-boring-buffers)
+                              (and winner-boring-buffers-regexp
+                                   (string-match
+                                    winner-boring-buffers-regexp
+                                    (buffer-name (window-buffer win)))))))
           (push win xwins)))            ; delete this window
 
       ;; Restore marks
@@ -320,10 +326,10 @@ You may want to include buffer names such as *Help*, *Apropos*,
       ;; Return t if this is still a possible configuration.
       (or (null xwins)
           (progn
-            (mapc 'delete-window (cdr xwins)) ; delete all but one
-            (unless (one-window-p t)
-              (delete-window (car xwins))
-              t))))))
+            (mapc 'delete-window (cdr xwins)) ; delete all but one
+            (unless (one-window-p t)
+              (delete-window (car xwins))
+              t))))))