-;; perhaps this should be in subr.el...
-(defun shrink-window-if-larger-than-buffer (&optional window)
- "Shrink the WINDOW to be as small as possible to display its contents. Do
-nothing if only one window is displayed or if the buffer contains more lines
-than the present window height."
- (save-excursion
- (set-buffer (window-buffer window))
- (let ((w (selected-window)) ;save-window-excursion can't win
- (buffer-file-name buffer-file-name)
- (p (point))
- (n 0)
- (window-min-height 0)
- (buffer-read-only nil)
- (modified (buffer-modified-p))
- (buffer (current-buffer)))
- (unwind-protect
- (progn
- (select-window window)
- (goto-char (point-min))
- (while (pos-visible-in-window-p (point-max))
- ;; defeat file locking... don't try this at home, kids!
- (setq buffer-file-name nil)
- (insert ?\n) (setq n (1+ n)))
- (if (> n 0) (shrink-window (1- n))))
- (delete-region (point-min) (point))
- (set-buffer-modified-p modified)
- (goto-char p)
- (select-window w)
- ;; Make sure we unbind buffer-read-only
- ;; with the proper current buffer.
- (set-buffer buffer)))))
-