;;; window.el --- GNU Emacs window commands aside from those written in C
-;; Copyright (C) 1985, 1989, 1992, 1993, 1994, 2000, 2001, 2002
+;; Copyright (C) 1985, 1989, 1992, 1993, 1994, 2000, 2001, 2002, 2004
;; Free Software Foundation, Inc.
;; Maintainer: FSF
(eq base-window
(next-window base-window (if nomini 'arg) all-frames))))
+(defun window-current-scroll-bars (&optional window)
+ "Return the current scroll-bar settings in window WINDOW.
+Value is a cons (VERTICAL . HORISONTAL) where VERTICAL specifies the
+current location of the vertical scroll-bars (left, right, or nil),
+and HORISONTAL specifies the current location of the horisontal scroll
+bars (top, bottom, or nil)."
+ (let ((vert (nth 2 (window-scroll-bars window)))
+ (hor nil))
+ (when (or (eq vert t) (eq hor t))
+ (let ((fcsb (frame-current-scroll-bars
+ (window-frame (or window (selected-window))))))
+ (if (eq vert t)
+ (setq vert (car fcsb)))
+ (if (eq hor t)
+ (setq hor (cdr fcsb)))))
+ (cons vert hor)))
+
(defun walk-windows (proc &optional minibuf all-frames)
"Cycle through all visible windows, calling PROC for each one.
PROC is called with a window as argument.
(defun window-safely-shrinkable-p (&optional window)
"Non-nil if the WINDOW can be shrunk without shrinking other windows.
If WINDOW is nil or omitted, it defaults to the currently selected window."
- (save-selected-window
- (when window (select-window window))
- (or (and (not (eq window (frame-first-window)))
- (= (car (window-edges))
- (car (window-edges (previous-window)))))
- (= (car (window-edges))
- (car (window-edges (next-window)))))))
+ (with-selected-window (or window (selected-window))
+ (let ((edges (window-edges)))
+ (or (= (nth 2 edges) (nth 2 (window-edges (previous-window))))
+ (= (nth 0 edges) (nth 0 (window-edges (next-window))))))))
+
(defun balance-windows ()
"Make all visible windows the same height (approximately)."
(with-current-buffer (window-buffer)
(if view-mode
(let ((old-info (assq old-w view-return-to-alist)))
- (push (cons new-w (cons (and old-info (car (cdr old-info))) t))
- view-return-to-alist)))
+ (if old-info
+ (push (cons new-w (cons (car (cdr old-info)) t))
+ view-return-to-alist))))
new-w))
(defun split-window-horizontally (&optional arg)
(not (eq frame (window-frame mini-window)))
(< (nth 3 edges)
(nth 1 (window-edges mini-window)))
- (> (nth 1 edges)
+ (> (nth 1 edges)
(frame-parameter frame 'menu-bar-lines))))))
(fit-window-to-buffer window (window-height window)))))
(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")))
+ (let ((window-to-delete (selected-window))
+ (delete-window-hook (lambda ()
+ (condition-case nil
+ (delete-window)
+ (error nil)))))
+ (add-hook 'kill-buffer-hook delete-window-hook t t)
+ (if (kill-buffer (current-buffer))
+ ;; If `delete-window' failed before, we rerun it to regenerate
+ ;; the error so it can be seen in the minibuffer.
+ (when (eq (selected-window) window-to-delete)
+ (delete-window))
+ (remove-hook 'kill-buffer-hook delete-window-hook t))))
(defun quit-window (&optional kill window)
"Quit the current buffer. Bury it, and maybe delete the selected frame.
(define-key ctl-x-map "+" 'balance-windows)
(define-key ctl-x-4-map "0" 'kill-buffer-and-window)
+;;; arch-tag: b508dfcc-c353-4c37-89fa-e773fe10cea9
;;; window.el ends here