;; same buffer.
(setq find-file-visit-truename t)
-(defvar w32-system-shells '("cmd" "cmd.exe" "command" "command.com")
+(defvar w32-system-shells '("cmd" "cmd.exe" "command" "command.com"
+ "4nt" "4nt.exe" "4dos" "4dos.exe"
+ "ndos" "ndos.exe")
"List of strings recognized as Windows NT/9X system shells.")
(defun w32-using-nt ()
(member (downcase (file-name-nondirectory shell-name))
w32-system-shells)))
+(defun w32-shell-dos-semantics ()
+ "Return t if the interactive shell being used expects msdos shell semantics."
+ (or (w32-system-shell-p (w32-shell-name))
+ (and (member (downcase (file-name-nondirectory (w32-shell-name)))
+ '("cmdproxy" "cmdproxy.exe"))
+ (w32-system-shell-p (getenv "COMSPEC")))))
+
+(defvar w32-allow-system-shell nil
+ "*Disable startup warning when using \"system\" shells.")
+
(defun w32-check-shell-configuration ()
"Check the configuration of shell variables on Windows NT/9X.
This function is invoked after loading the init files and processing
the command line arguments. It issues a warning if the user or site
has configured the shell with inappropriate settings."
+ (interactive)
(let ((prev-buffer (current-buffer))
(buffer (get-buffer-create "*Shell Configuration*"))
(system-shell))
You probably want to change it so that it uses cmdproxy.exe instead.\n\n"
explicit-shell-file-name)))
(setq system-shell (> (buffer-size) 0))
+
+ ;; Allow user to specify that they really do want to use one of the
+ ;; "system" shells, despite the drawbacks, but still warn if
+ ;; shell-command-switch doesn't match.
+ (if w32-allow-system-shell
+ (erase-buffer))
+
(cond (system-shell
;; System shells.
(if (string-equal "-c" shell-command-switch)
(add-hook 'after-init-hook 'w32-check-shell-configuration)
+
+;;; Basic support functions for managing Emacs' locale setting
+
+(defvar w32-valid-locales nil
+ "List of locale ids known to be supported.")
+
+;;; This is the brute-force version; an efficient version is now
+;;; built-in though.
+(if (not (fboundp 'w32-get-valid-locale-ids))
+ (defun w32-get-valid-locale-ids ()
+ "Return list of all valid Windows locale ids."
+ (let ((i 65535)
+ locales)
+ (while (> i 0)
+ (if (w32-get-locale-info i)
+ (setq locales (cons i locales)))
+ (setq i (1- i)))
+ locales)))
+
+(defun w32-list-locales ()
+ "List the name and id of all locales supported by Windows."
+ (interactive)
+ (if (null w32-valid-locales)
+ (setq w32-valid-locales (w32-get-valid-locale-ids)))
+ (switch-to-buffer-other-window (get-buffer-create "*Supported Locales*"))
+ (erase-buffer)
+ (insert "LCID\tAbbrev\tFull name\n\n")
+ (insert (mapconcat
+ '(lambda (x)
+ (format "%d\t%s\t%s"
+ x
+ (w32-get-locale-info x)
+ (w32-get-locale-info x t)))
+ w32-valid-locales "\n"))
+ (insert "\n")
+ (goto-char (point-min)))
+
+
;;; Setup Info-default-directory-list to include the info directory
;;; near where Emacs executable was installed. We used to set INFOPATH,
;;; but when this is set Info-default-directory-list is ignored. We
;;; that configuration during build time is correct for runtime.
(defun w32-init-info ()
(let* ((instdir (file-name-directory invocation-directory))
- (dir1 (expand-file-name "info/" instdir))
+ (dir1 (expand-file-name "../info/" instdir))
(dir2 (expand-file-name "../../../info/" instdir)))
(if (file-exists-p dir1)
(setq Info-default-directory-list
(add-hook 'before-init-hook 'w32-init-info)
+;;; The variable source-directory is used to initialize Info-directory-list.
+;;; However, the common case is that Emacs is being used from a binary
+;;; distribution, and the value of source-directory is meaningless in that
+;;; case. Even worse, source-directory can refer to a directory on a drive
+;;; on the build machine that happens to be a removable drive on the user's
+;;; machine. When this happens, Emacs tries to access the removable drive
+;;; and produces the abort/retry/ignore dialog. Since we do not use
+;;; source-directory, set it to something that is a reasonable approximation
+;;; on the user's machine.
+
+(add-hook 'before-init-hook
+ '(lambda ()
+ (setq source-directory (file-name-as-directory
+ (expand-file-name ".." exec-directory)))))
+
;; Avoid creating auto-save file names containing invalid characters.
(fset 'original-make-auto-save-file-name
(symbol-function 'make-auto-save-file-name))