;;; w32-fns.el --- Lisp routines for Windows NT.
;; Copyright (C) 1994 Free Software Foundation, Inc.
;; Author: Geoff Voelker (email@example.com)
;; This file is part of GNU Emacs.
;; GNU Emacs 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 Emacs 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., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;; (August 12, 1993)
;; (November 21, 1994)
;; [C-M-backspace] defined.
;; mode-line-format defined to show buffer file type.
;; audio bell initialized.
;; Map delete and backspace
(define-key function-key-map [backspace] "\177")
(define-key function-key-map [delete] "\C-d")
(define-key function-key-map [M-backspace] [?\M-\177])
(define-key function-key-map [C-M-backspace] [\C-\M-delete])
;; Ignore case on file-name completion
(setq completion-ignore-case t)
(defvar w32-system-shells '("cmd" "cmd.exe" "command" "command.com")
"List of strings recognized as Windows NT/95 system shells.")
(defun w32-using-nt ()
"Return t if running on Windows NT (as oppposed to, e.g., Windows 95)."
(and (eq system-type 'windows-nt) (getenv "SystemRoot")))
(defun w32-shell-name ()
"Return the name of the shell being used on Windows NT/95."
(or (and (boundp 'explicit-shell-file-name) explicit-shell-file-name)
(and (w32-using-nt) "cmd.exe")
(defun w32-using-system-shell-p ()
"Return t if using a Windows NT/95 system shell (cmd.exe or command.com)."
(member (downcase (file-name-nondirectory (w32-shell-name)))
(defun w32-startup ()
"Configure Emacs during startup for running on Windows NT/95.
This function is invoked after loading the init files and processing
the command line, and is intended to initialize anything important
not initialized by the user or site."
;; Configure shell mode if using a system shell.
(let ((shell (file-name-nondirectory (w32-shell-name))))
;; "/c" is used for executing command line arguments.
(setq shell-command-switch "/c")
;; Complete directories using a backslash.
(setq comint-completion-addsuffix '("\\" . " "))
;; Initialize the explicit-"shell"-args variable.
(cond ((member (downcase shell) '("cmd" "cmd.exe"))
(let* ((args-sym-name (format "explicit-%s-args" shell))
(args-sym (intern-soft args-sym-name)))
(cond ((not args-sym)
(setq args-sym (intern args-sym-name))
;; The "/q" prevents cmd.exe from echoing commands.
(set args-sym '("/q")))))))))))
(add-hook 'emacs-startup-hook 'w32-startup)
;; Avoid creating auto-save file names containing invalid characters.
(defun make-auto-save-file-name ()
"Return file name to use for auto-saves of current buffer.
Does not consider `auto-save-visited-file-name' as that variable is checked
before calling this function. You can redefine this for customization.
See also `auto-save-file-name-p'."
(let ((name (original-make-auto-save-file-name))
;; Skip drive letter if present.
(if (string-match "^[\/]?[a-zA-`]:" name)
(setq start (- (match-end 0) (match-beginning 0))))
;; Destructively replace occurrences of *?"<>|: with $
(while (string-match "[?*\"<>|:]" name start)
(aset name (match-beginning 0) ?$)
(setq start (1+ (match-end 0))))
;;; Fix interface to (X-specific) mouse.el
(defun x-set-selection (type data)
(or type (setq type 'PRIMARY))
(put 'x-selections type data))
(defun x-get-selection (&optional type data-type)
(or type (setq type 'PRIMARY))
(get 'x-selections type))
;;; Set to a system sound if you want a fancy bell.
;;; w32-fns.el ends here