factor/misc/fuel/fuel-popup.el

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;;; fuel-popup.el -- popup windows
;; Copyright (C) 2008 Jose Antonio Ortega Ruiz
;; See http://factorcode.org/license.txt for BSD license.
;; Author: Jose Antonio Ortega Ruiz <jao@gnu.org>
;; Keywords: languages, fuel, factor
;; Start date: Sun Dec 21, 2008 14:37
;;; Comentary:
;; A minor mode to pop up windows and restore configurations
;; afterwards.
;;; Code:
(make-variable-buffer-local
(defvar fuel-popup--created-window nil))
(make-variable-buffer-local
(defvar fuel-popup--selected-window nil))
(defun fuel-popup--display (&optional buffer)
(when buffer (set-buffer buffer))
(let ((selected-window (selected-window))
(buffer (current-buffer)))
(unless (eq selected-window (get-buffer-window buffer))
(let ((windows))
(walk-windows (lambda (w) (push w windows)) nil t)
(prog1 (pop-to-buffer buffer)
(set (make-local-variable 'fuel-popup--created-window)
(unless (memq (selected-window) windows) (selected-window)))
(set (make-local-variable 'fuel-popup--selected-window)
selected-window))))))
(defun fuel-popup--quit ()
(interactive)
(let ((selected fuel-popup--selected-window)
(created fuel-popup--created-window))
(bury-buffer)
(when (eq created (selected-window)) (delete-window created))
(when (window-live-p selected) (select-window selected))))
(define-minor-mode fuel-popup-mode
"Mode for displaying read only stuff"
nil nil
'(("q" . fuel-popup--quit))
(setq buffer-read-only t))
(defmacro fuel-popup--define (fun name mode)
`(defun ,fun ()
(or (get-buffer ,name)
(with-current-buffer (get-buffer-create ,name)
(funcall ,mode)
(fuel-popup-mode)
(current-buffer)))))
(put 'fuel-popup--define 'lisp-indent-function 1)
(defmacro fuel--with-popup (buffer &rest body)
`(with-current-buffer ,buffer
(let ((inhibit-read-only t))
,@body)))
(put 'fuel--with-popup 'lisp-indent-function 1)
(provide 'fuel-popup)
;;; fuel-popup.el ends here