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;;; hinit.el --- Standard initializations for Hyperbole hypertext system.
;; Copyright (C) 1991-1995, 2004, 2006 Free Software Foundation, Inc.
;; Developed with support from Motorola Inc.
;; Author: Bob Weiner, Brown U.
;; Maintainer: Mats Lidell <matsl@contactor.se>
;; Keywords: hypermedia
;; This file is part of GNU Hyperbole.
;; GNU Hyperbole is free software; you can redistribute it and/or
;; modify it under the terms of the GNU General Public License as
;; published by the Free Software Foundation; either version 2, or (at
;; your option) any later version.
;; GNU Hyperbole is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;; General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;;; Code:
;;;
;;; Public variables
;;;
(defvar hyperb:host-domain nil
"<@domain-name> for current host. Set automatically by 'hyperb:init'.")
;;;
;;; Other required Elisp libraries
;;;
(require 'hvar)
(mapcar 'require '(hui-mouse hypb hui hui-mini hbmap hibtypes))
;;;
;;; Public functions
;;;
(if (not (fboundp 'br-in-browser))
;; Then the OO-Browser is not loaded, so we can never be within the
;; browser. Define this as a dummy function that always returns nil
;; until the OO-Browser is ever loaded.
(defun br-in-browser ()
"Always returns nil since the OO-Browser is not loaded."
nil))
(defun hyperb:init ()
"Standard configuration routine for Hyperbole."
(interactive)
(run-hooks 'hyperb:init-hook)
(hyperb:check-dir-user)
(or hyperb:host-domain (setq hyperb:host-domain (hypb:domain-name)))
(hyperb:act-set)
;;
;; Save button attribute file whenever same dir file is saved and
;; 'ebut:hattr-save' is non-nil.
;;
(var:append 'write-file-hooks '(hattr:save))
;;
(if hyperbole-on-menubar (hyperb:init-menubar)))
(defun hyperb:init-menubar ()
"Add a pulldown menu for Hyperbole, if appropriate."
(and hyperb:window-system
(require 'hui-menu)
;; XEmacs or Emacs19 under a window system; add Hyperbole menu to
;; menubar.
(hyperbole-menubar-menu)))
(defcustom hyperbole-on-menubar t
"Whether the hyperbole menu should be on the menubar."
:group 'hyperbole
:type 'boolean
:set (lambda (symb val)
(set symb val)
(if (null val)
(hui-menu-remove)
(hyperb:init-menubar)))
:require 'hui-menu)
(defun hyperb:act-set ()
"COORDINATION IS NOT YET OPERATIONAL. hui-coord.el IS NOT INCLUDED.
Sets Hyperbole action command to uncoordinated or coordinated operation.
Coordinated is used when 'hcoord:hosts' is a non-nil list.
See \"hui-coord.el\"."
(interactive)
(fset 'hyperb:act (if (and (boundp 'hcoord:hosts) hcoord:hosts)
'hcoord:act 'hbut:act)))
;;;
;;; Private functions
;;;
(defun hyperb:check-dir-user ()
"Ensures 'hbmap:dir-user' exists and is writable or signals an error."
(if (or (null hbmap:dir-user) (not (stringp hbmap:dir-user))
(and (setq hbmap:dir-user (file-name-as-directory
(expand-file-name hbmap:dir-user)))
(file-directory-p hbmap:dir-user)
(not (file-writable-p (directory-file-name hbmap:dir-user)))))
(error
"(hyperb:init): 'hbmap:dir-user' must be a writable directory name."))
(let ((hbmap:dir-user (directory-file-name hbmap:dir-user)))
(or (file-directory-p hbmap:dir-user) ;; Exists and is writable.
(let* ((parent-dir (file-name-directory
(directory-file-name hbmap:dir-user))))
(cond
((not (file-directory-p parent-dir))
(error
"(hyperb:init): 'hbmap:dir-user' parent dir does not exist."))
((not (file-writable-p parent-dir))
(error
"(hyperb:init): 'hbmap:dir-user' parent directory not writable."))
((or (if (fboundp 'make-directory)
(progn (make-directory hbmap:dir-user) t))
(hypb:call-process-p "mkdir" nil nil hbmap:dir-user))
(or (file-writable-p hbmap:dir-user)
(or (progn (hypb:chmod '+ 700 hbmap:dir-user)
(file-writable-p hbmap:dir-user))
(error "(hyperb:init): Can't write to 'hbmap:dir-user'.")
)))
(t (error "(hyperb:init): 'hbmap:dir-user' create failed."))))))
t)
(provide 'hinit)
;;; hinit.el ends here
|
