my-emacs-d/lisp/window-manip.el

38 lines
1.6 KiB
EmacsLisp

(defun transpose-windows (arg)
"Transpose the buffers shown in two windows."
(interactive "p")
(let ((selector (if (>= arg 0) 'next-window 'previous-window)))
(while (/= arg 0)
(let ((this-win (window-buffer))
(next-win (window-buffer (funcall selector))))
(set-window-buffer (selected-window) next-win)
(set-window-buffer (funcall selector) this-win)
(select-window (funcall selector)))
(setq arg (if (plusp arg) (1- arg) (1+ arg))))))
(defun toggle-window-split ()
(interactive)
(if (= (count-windows) 2)
(let* ((this-win-buffer (window-buffer))
(next-win-buffer (window-buffer (next-window)))
(this-win-edges (window-edges (selected-window)))
(next-win-edges (window-edges (next-window)))
(this-win-2nd (not (and (<= (car this-win-edges)
(car next-win-edges))
(<= (cadr this-win-edges)
(cadr next-win-edges)))))
(splitter
(if (= (car this-win-edges)
(car (window-edges (next-window))))
'split-window-horizontally
'split-window-vertically)))
(delete-other-windows)
(let ((first-win (selected-window)))
(funcall splitter)
(if this-win-2nd (other-window 1))
(set-window-buffer (selected-window) this-win-buffer)
(set-window-buffer (next-window) next-win-buffer)
(select-window first-win)
(if this-win-2nd (other-window 1))))
(error "This works only for two windows!")))