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;;; pg-assoc.el --- Functions for associated buffers
;;
;; Copyright (C) 1994-2008, 2010 LFCS Edinburgh.
;; Authors: David Aspinall, Yves Bertot, Healfdene Goguen,
;; Thomas Kleymann and Dilip Sequeira
;; License: GPL (GNU GENERAL PUBLIC LICENSE)
;;
;; $Id$
;;
;;; Commentary:
;;
;; Defines an empty mode inherited by modes of the associated buffers.
;;
;;; Code:
(require 'proof-utils)
(define-derived-mode proof-universal-keys-only-mode fundamental-mode
proof-general-name "Universal keymaps only"
;; Doesn't seem to supress TAB, RET
(suppress-keymap proof-universal-keys-only-mode-map 'all)
(proof-define-keys proof-universal-keys-only-mode-map
proof-universal-keys))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;; Return a list of associated buffers
;;
;;;###autoload
(defun proof-associated-buffers ()
"Return a list of the associated buffers.
Some may be dead/nil."
(list proof-goals-buffer
proof-response-buffer
proof-trace-buffer
proof-thms-buffer))
;;;###autoload
(defun proof-associated-windows (&optional all-frames)
"Return a list of the associated buffers windows.
Dead or nil buffers are not represented in the list. Optional
argument ALL-FRAMES has the same meaning than for
`get-buffer-window'."
(let ((bufs (proof-associated-buffers))
buf wins)
(while bufs
(setq buf (car bufs))
(if (and buf (get-buffer-window-list buf nil all-frames))
(setq wins (append (get-buffer-window-list buf nil all-frames) wins)))
(setq bufs (cdr bufs)))
wins))
(defun proof-associated-buffer-p (b) (member b (proof-associated-buffers)))
(defun proof-filter-associated-windows (lw)
"Remove windows of LW not displaying at least one associated buffer."
(remove-if-not (lambda (w) (proof-associated-buffer-p (window-buffer w))) lw))
;;;###autoload
(defun proof-associated-frames ()
"Return the list of frames displaying at least one associated buffer."
(remove-if-not (lambda (f) (proof-filter-associated-windows (window-list f)))
(frame-list)))
(provide 'pg-assoc)
;;; pg-assoc.el ends here
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