lisp/w32-fns.el

   1 ;; winnt.el --- Lisp routines for Windows NT.
   2
   3 ;; Copyright (C) 1994 Free Software Foundation, Inc.
   4
   5 ;; Author: Geoff Voelker (voelker@cs.washington.edu)
   6
   7 ;; This file is part of GNU Emacs.
   8
   9 ;; GNU Emacs is free software; you can redistribute it and/or modify
  10 ;; it under the terms of the GNU General Public License as published by
  11 ;; the Free Software Foundation; either version 2, or (at your option)
  12 ;; any later version.
  13
  14 ;; GNU Emacs is distributed in the hope that it will be useful,
  15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 ;; GNU General Public License for more details.
  18
  19 ;; You should have received a copy of the GNU General Public License
  20 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  21 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  22 ;; Boston, MA 02111-1307, USA.
  23
  24 ;;; Commentary:
  25
  26 ;; (August 12, 1993)
  27 ;; Created.
  28
  29 ;; (November 21, 1994)
  30 ;; [C-M-backspace] defined.
  31 ;; mode-line-format defined to show buffer file type.
  32 ;; audio bell initialized.
  33
  34 ;;; Code:
  35
  36 ;; Map delete and backspace
  37 (define-key function-key-map [backspace] "\177")
  38 (define-key function-key-map [delete] "\C-d")
  39 (define-key function-key-map [M-backspace] [?\M-\177])
  40 (define-key function-key-map [C-M-backspace] [\C-\M-delete])
  41
  42 ;; Show file type (text or binary) on modeline
  43 (setq-default mode-line-format
  44   (list (purecopy "")
  45    'mode-line-modified
  46    'mode-line-buffer-identification
  47    (purecopy "   ")
  48    'global-mode-string
  49    (purecopy "   %[(")
  50    (purecopy "%t:")
  51    'mode-name 'mode-line-process 'minor-mode-alist
  52    (purecopy "%n")
  53    (purecopy ")%]--")
  54    (purecopy '(line-number-mode "L%l--"))
  55    (purecopy '(-3 . "%p"))
  56    (purecopy "-%-")))
  57
  58 ;; Ignore case on file-name completion
  59 (setq completion-ignore-case t)
  60
  61 ;; The cmd.exe shell uses the "/c" switch instead of the "-c" switch
  62 ;; for executing its command line argument (from simple.el).
  63 (setq shell-command-switch "/c")
  64
  65 ;; Use ";" instead of ":" as a path separator (from files.el).
  66 (setq path-separator ";")
  67
  68 ;; Set the null device (for compile.el).
  69 (setq grep-null-device "NUL")
  70
  71 ;; Set the grep regexp to match entries with drive letters.
  72 (setq grep-regexp-alist
  73   '(("^\\(\\([a-zA-Z]:\\)?[^:( \t\n]+\\)[:( \t]+\\([0-9]+\\)[:) \t]" 1 3)))
  74
  75 ;; Taken from dos-fn.el ... don't want all that's in the file, maybe
  76 ;; separate it out someday.
  77
  78 (defvar file-name-buffer-file-type-alist
  79   '(
  80     ("[:/].*config.sys$" . nil)         ; config.sys text
  81     ("\\.elc$" . t)                     ; emacs stuff
  82     ("\\.\\(obj\\|exe\\|com\\|lib\\|sys\\|chk\\|out\\|bin\\|ico\\|pif\\)$" . t)
  83                                         ; MS-Dos stuff
  84     ("\\.\\(arc\\|zip\\|pak\\|lzh\\|zoo\\)$" . t)
  85                                         ; Packers
  86     ("\\.\\(a\\|o\\|tar\\|z\\|gz\\|taz\\)$" . t)
  87                                         ; Unix stuff
  88     ("\\.tp[ulpw]$" . t)
  89                                         ; Borland Pascal stuff
  90     ("[:/]tags$" . t)
  91                                         ; Emacs TAGS file
  92     )
  93   "*Alist for distinguishing text files from binary files.
  94 Each element has the form (REGEXP . TYPE), where REGEXP is matched
  95 against the file name, and TYPE is nil for text, t for binary.")
  96
  97 (defun find-buffer-file-type (filename)
  98   (let ((alist file-name-buffer-file-type-alist)
  99         (found nil)
 100         (code nil))
 101     (let ((case-fold-search t))
 102       (setq filename (file-name-sans-versions filename))
 103       (while (and (not found) alist)
 104         (if (string-match (car (car alist)) filename)
 105             (setq code (cdr (car alist))
 106                   found t))
 107         (setq alist (cdr alist))))
 108     (if found
 109         (cond((memq code '(nil t)) code)
 110              ((and (symbolp code) (fboundp code))
 111               (funcall code filename)))
 112       default-buffer-file-type)))
 113
 114 (defun find-file-binary (filename)
 115   "Visit file FILENAME and treat it as binary."
 116   (interactive "FFind file binary: ")
 117   (let ((file-name-buffer-file-type-alist '(("" . t))))
 118     (find-file filename)))
 119
 120 (defun find-file-text (filename)
 121   "Visit file FILENAME and treat it as a text file."
 122   (interactive "FFind file text: ")
 123   (let ((file-name-buffer-file-type-alist '(("" . nil))))
 124     (find-file filename)))
 125
 126 (defun find-file-not-found-set-buffer-file-type ()
 127   (save-excursion
 128     (set-buffer (current-buffer))
 129     (setq buffer-file-type (find-buffer-file-type (buffer-file-name))))
 130   nil)
 131
 132 ;;; To set the default file type on new files.
 133 (add-hook 'find-file-not-found-hooks 'find-file-not-found-set-buffer-file-type)
 134
 135 ;;; For using attached Unix filesystems.
 136 (defun save-to-unix-hook ()
 137   (save-excursion
 138     (setq buffer-file-type t))
 139   nil)
 140
 141 (defun revert-from-unix-hook ()
 142   (save-excursion
 143     (setq buffer-file-type (find-buffer-file-type (buffer-file-name))))
 144   nil)
 145
 146 ;; Really should provide this capability at the drive letter granularity.
 147 (defun using-unix-filesystems (flag)
 148   (if flag
 149       (progn
 150         (add-hook 'write-file-hooks 'save-to-unix-hook)
 151         (add-hook 'after-save-hook 'revert-from-unix-hook))
 152     (progn
 153       (remove-hook 'write-file-hooks 'save-to-unix-hook)
 154       (remove-hook 'after-save-hook 'revert-from-unix-hook))))
 155
 156 ;;; Fix interface to (X-specific) mouse.el
 157 (defalias 'x-set-selection 'ignore)
 158 (fset 'x-get-selection '(lambda (&rest rest) ""))
 159 (fmakunbound 'font-menu-add-default)
 160 (global-unset-key [C-down-mouse-1])
 161 (global-unset-key [C-down-mouse-2])
 162 (global-unset-key [C-down-mouse-3])
 163
 164 ;;; Set to a system sound if you want a fancy bell.
 165 (set-message-beep nil)
 166
 167 ;;; winnt.el ends here