- (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)
- (ignore-final-newline
- ;; If buffer ends with a newline, ignore it when counting height
- ;; unless point is after it.
- (and (not (eobp))
- (eq ?\n (char-after (1- (point-max))))))
- (window-min-height 0)
- (buffer-read-only nil)
- (modified (buffer-modified-p))
- (buffer (current-buffer)))
- (if (and (< 1 (count-windows))
- (pos-visible-in-window-p (point-min) window))
- (unwind-protect
- (progn
- (select-window (or window w))
- (goto-char (point-min))
- (while (pos-visible-in-window-p
- (- (point-max)
- (if ignore-final-newline 1 0)))
- ;; 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))))))
-
+ (save-selected-window
+ (if window
+ (select-window window)
+ (setq window (selected-window)))
+ (save-excursion
+ (set-buffer (window-buffer window))
+ (goto-char (point-min))
+ (let* ((ignore-final-newline
+ ;; If buffer ends with a newline, ignore it when counting height
+ ;; unless point is after it.
+ (and (not (eobp))
+ (eq ?\n (char-after (1- (point-max))))))
+ (params (frame-parameters))
+ (mini (cdr (assq 'minibuffer params)))
+ (edges (window-edges))
+ text-height)
+ (if (and (< 1 (count-windows))
+ (= (window-width) (frame-width))
+ (pos-visible-in-window-p (point-min) window)
+ (not (eq mini 'only))
+ (or (not mini)
+ (< (nth 3 edges)
+ (nth 1 (window-edges mini)))
+ (> (nth 1 edges)
+ (cdr (assq 'menu-bar-lines params)))))
+ (let (result height)
+ (setq result
+ (compute-motion (point-min) '(0 . 0)
+ (- (point-max)
+ (if ignore-final-newline 1 0))
+ (cons 0 (window-height))
+ (window-width) nil
+ window))
+ ;; Get number of screen lines that the text needs.
+ (setq text-height (+ 1 (nth 2 result)))
+ ;; Shrink down to that, or as far as we can go.
+ (if (> (window-height) (1+ text-height))
+ (shrink-window (- (window-height)
+ (max (1+ text-height) window-min-height))))))))))
+
+(defun kill-buffer-and-window ()
+ "Kill the current buffer and delete the selected window."
+ (interactive)
+ (if (yes-or-no-p (format "Kill buffer `%s'? " (buffer-name)))
+ (let ((buffer (current-buffer)))
+ (delete-window (selected-window))
+ (kill-buffer buffer))
+ (error "Aborted")))
+
+(defun quit-window (&optional kill window)
+ "Quit the current buffer. Bury it, and maybe delete the selected frame.
+\(The frame is deleted if it is contains a dedicated window for the buffer.)
+With a prefix argument, kill the buffer instead.
+
+Noninteractively, if KILL is non-nil, then kill the current buffer,
+otherwise bury it.
+
+If WINDOW is non-nil, it specifies a window; we delete that window,
+and the buffer that is killed or buried is the one in that window."
+ (interactive "P")
+ (let ((buffer (window-buffer window))
+ (frame (window-frame (or window (selected-window))))
+ (window-solitary
+ (save-selected-window
+ (if window
+ (select-window window))
+ (one-window-p t)))
+ window-handled)
+
+ (save-selected-window
+ (if window
+ (select-window window))
+ (or (window-minibuffer-p)
+ (window-dedicated-p (selected-window))
+ (switch-to-buffer (other-buffer))))
+
+ ;; Get rid of the frame, if it has just one dedicated window
+ ;; and other visible frames exist.
+ (and (or (window-minibuffer-p) (window-dedicated-p window))
+ (delq frame (visible-frame-list))
+ window-solitary
+ (if (and (eq default-minibuffer-frame frame)
+ (= 1 (length (minibuffer-frame-list))))
+ (setq window nil)
+ (delete-frame frame)
+ (setq window-handled t)))
+
+ ;; Deal with the buffer.
+ (if kill
+ (kill-buffer buffer)
+ (bury-buffer buffer))
+
+ ;; Maybe get rid of the window.
+ (and window (not window-handled) (not window-solitary)
+ (delete-window window))))
+