diff options
Diffstat (limited to 'lisp')
| -rw-r--r-- | lisp/window.el | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/lisp/window.el b/lisp/window.el index 7117d4aacd6..a2335a6798c 100644 --- a/lisp/window.el +++ b/lisp/window.el @@ -7767,10 +7767,13 @@ selected frame." (defun display-buffer-in-previous-window (buffer alist) "Display BUFFER in a window previously showing it. If ALIST has a non-nil `inhibit-same-window' entry, the selected -window is not eligible for reuse. +window is not usable. A dedicated window is usable only if it +already shows BUFFER. If ALIST contains a `previous-window' +entry, the window specified by that entry is usable even if it +never showed BUFFER before. If ALIST contains a `reusable-frames' entry, its value determines -which frames to search for a reusable window: +which frames to search for a usable window: nil -- the selected frame (actually the last non-minibuffer frame) A frame -- just that frame `visible' -- all visible frames @@ -7782,12 +7785,17 @@ selected frame if `display-buffer-reuse-frames' and `pop-up-frames' are both nil; search all frames on the current terminal if either of those variables is non-nil. -If ALIST has a `previous-window' entry, the window specified by -that entry may override any other window found by the methods -above, even if that window never showed BUFFER before. +If more than one window is usable according to these rules, +apply the following order of preference: + +- Use the window specified by any 'previous-window' ALIST entry, + provided it is not the selected window. + +- Use a window that showed BUFFER before, provided it is not the + selected window. -Avoid using the selected window if another eligible window has -shown BUFFER before." +- Use the selected window if it is either specified by a + 'previous-window' ALIST entry or showed BUFFER before." (let* ((alist-entry (assq 'reusable-frames alist)) (inhibit-same-window (cdr (assq 'inhibit-same-window alist))) |