mirrors/emacs
1
Fork 0
mirror of git://git.sv.gnu.org/emacs.git synced 2025-12-15 10:30:25 -08:00
Code Issues Projects Releases Wiki Activity

(fit-window-to-buffer): Return non-nil when height

Browse source 
was orderly adjusted, nil otherwise.
This commit is contained in:
Martin Rudalics 2008-12-12 09:32:02 +00:00
parent 21c58e4d62
commit 9adf1f0652
2 changed files with 15 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

14
lisp/window.el
View file

@ -1294,7 +1294,7 @@ in some window."
(defun fit-window-to-buffer (&optional window max-height min-height)
"Adjust height of WINDOW to display its buffer's contents exactly.
WINDOW defaults to the selected window. Return nil.
WINDOW defaults to the selected window.
Optional argument MAX-HEIGHT specifies the maximum height of the
window and defaults to the maximum permissible height of a window
on WINDOW's frame.
@ -1303,12 +1303,15 @@ window and defaults to `window-min-height'.
Both, MAX-HEIGHT and MIN-HEIGHT are specified in lines and
include the mode line and header line, if any.
Return non-nil if height was orderly adjusted, nil otherwise.
Caution: This function can delete WINDOW and/or other windows
when their height shrinks to less than MIN-HEIGHT."
(interactive)
;; Do all the work in WINDOW and its buffer and restore the selected
;; window and the current buffer when we're done.
(let ((old-buffer (current-buffer)))
(let ((old-buffer (current-buffer))
value)
(with-selected-window (or window (setq window (selected-window)))
(set-buffer (window-buffer))
;; Use `condition-case' to handle any fixed-size windows and other
@ -1384,10 +1387,13 @@ when their height shrinks to less than MIN-HEIGHT."
(= desired-height (window-height))
(not (pos-visible-in-window-p end)))
(enlarge-window 1)
(setq desired-height (1+ desired-height))))))
(setq desired-height (1+ desired-height))))
;; Return non-nil only if nothing "bad" happened.
(setq value t)))
(error nil)))
(when (buffer-live-p old-buffer)
(set-buffer old-buffer))))
(set-buffer old-buffer))
value))
(defun window-safely-shrinkable-p (&optional window)
"Return t if WINDOW can be shrunk without shrinking other windows.