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453 lines
18 KiB
EmacsLisp
453 lines
18 KiB
EmacsLisp
;;; w32-fns.el --- Lisp routines for Windows NT
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;; Copyright (C) 1994, 2001 Free Software Foundation, Inc.
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;; Author: Geoff Voelker <voelker@cs.washington.edu>
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;; Keywords: internal
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 2, or (at your option)
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;; any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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;; Boston, MA 02111-1307, USA.
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;;; Commentary:
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;; (August 12, 1993)
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;; Created.
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;; (November 21, 1994)
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;; [C-M-backspace] defined.
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;; mode-line-format defined to show buffer file type.
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;; audio bell initialized.
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;;; Code:
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;; Map delete and backspace
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(define-key function-key-map [backspace] "\177")
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(define-key function-key-map [delete] "\C-d")
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(define-key function-key-map [M-backspace] [?\M-\177])
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(define-key function-key-map [C-M-backspace] [\C-\M-delete])
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;; Ignore case on file-name completion
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(setq completion-ignore-case t)
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;; Map all versions of a filename (8.3, longname, mixed case) to the
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;; same buffer.
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(setq find-file-visit-truename t)
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(defun w32-version ()
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"Return the MS-Windows version numbers.
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The value is a list of three integers: the major and minor version
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numbers, and the build number."
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(x-server-version))
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(defun w32-using-nt ()
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"Return non-nil if literally running on Windows NT (i.e., not Windows 9X)."
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(and (eq system-type 'windows-nt) (getenv "SystemRoot")))
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(defun w32-shell-name ()
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"Return the name of the shell being used."
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(or (and (boundp 'explicit-shell-file-name) explicit-shell-file-name)
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(getenv "ESHELL")
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(getenv "SHELL")
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(and (w32-using-nt) "cmd.exe")
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"command.com"))
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(defun w32-system-shell-p (shell-name)
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(and shell-name
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(member (downcase (file-name-nondirectory shell-name))
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w32-system-shells)))
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(defun w32-shell-dos-semantics ()
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"Return t if the interactive shell being used expects msdos shell semantics."
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(or (w32-system-shell-p (w32-shell-name))
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(and (member (downcase (file-name-nondirectory (w32-shell-name)))
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'("cmdproxy" "cmdproxy.exe"))
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(w32-system-shell-p (getenv "COMSPEC")))))
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(defun w32-check-shell-configuration ()
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"Check the configuration of shell variables on Windows NT/9X.
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This function is invoked after loading the init files and processing
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the command line arguments. It issues a warning if the user or site
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has configured the shell with inappropriate settings."
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(interactive)
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(let ((prev-buffer (current-buffer))
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(buffer (get-buffer-create "*Shell Configuration*"))
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(system-shell))
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(set-buffer buffer)
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(erase-buffer)
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(if (w32-system-shell-p (getenv "ESHELL"))
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(insert (format "Warning! The ESHELL environment variable uses %s.
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You probably want to change it so that it uses cmdproxy.exe instead.\n\n"
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(getenv "ESHELL"))))
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(if (w32-system-shell-p (getenv "SHELL"))
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(insert (format "Warning! The SHELL environment variable uses %s.
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You probably want to change it so that it uses cmdproxy.exe instead.\n\n"
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(getenv "SHELL"))))
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(if (w32-system-shell-p shell-file-name)
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(insert (format "Warning! shell-file-name uses %s.
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You probably want to change it so that it uses cmdproxy.exe instead.\n\n"
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shell-file-name)))
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(if (and (boundp 'explicit-shell-file-name)
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(w32-system-shell-p explicit-shell-file-name))
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(insert (format "Warning! explicit-shell-file-name uses %s.
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You probably want to change it so that it uses cmdproxy.exe instead.\n\n"
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explicit-shell-file-name)))
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(setq system-shell (> (buffer-size) 0))
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;; Allow user to specify that they really do want to use one of the
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;; "system" shells, despite the drawbacks, but still warn if
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;; shell-command-switch doesn't match.
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(if w32-allow-system-shell
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(erase-buffer))
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(cond (system-shell
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;; System shells.
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(if (string-equal "-c" shell-command-switch)
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(insert "Warning! shell-command-switch is \"-c\".
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You should set this to \"/c\" when using a system shell.\n\n"))
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(if w32-quote-process-args
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(insert "Warning! w32-quote-process-args is t.
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You should set this to nil when using a system shell.\n\n")))
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;; Non-system shells.
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(t
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(if (string-equal "/c" shell-command-switch)
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(insert "Warning! shell-command-switch is \"/c\".
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You should set this to \"-c\" when using a non-system shell.\n\n"))
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(if (not w32-quote-process-args)
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(insert "Warning! w32-quote-process-args is nil.
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You should set this to t when using a non-system shell.\n\n"))))
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(if (> (buffer-size) 0)
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(display-buffer buffer)
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(kill-buffer buffer))
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(set-buffer prev-buffer)))
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(add-hook 'after-init-hook 'w32-check-shell-configuration)
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;;; Override setting chosen at startup.
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(defun set-default-process-coding-system ()
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;; Most programs on Windows will accept Unix line endings on input
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;; (and some programs ported from Unix require it) but most will
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;; produce DOS line endings on output.
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(setq default-process-coding-system
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(if default-enable-multibyte-characters
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'(undecided-dos . undecided-unix)
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'(raw-text-dos . raw-text-unix)))
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(or (w32-using-nt)
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;; On Windows 9x, make cmdproxy default to using DOS line endings
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;; for input, because command.com requires this.
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(setq process-coding-system-alist
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`(("[cC][mM][dD][pP][rR][oO][xX][yY]"
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. ,(if default-enable-multibyte-characters
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'(undecided-dos . undecided-dos)
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'(raw-text-dos . raw-text-dos)))))))
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(add-hook 'before-init-hook 'set-default-process-coding-system)
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;;; Basic support functions for managing Emacs' locale setting
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(defvar w32-valid-locales nil
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"List of locale ids known to be supported.")
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;;; This is the brute-force version; an efficient version is now
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;;; built-in though.
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(if (not (fboundp 'w32-get-valid-locale-ids))
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(defun w32-get-valid-locale-ids ()
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"Return list of all valid Windows locale ids."
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(let ((i 65535)
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locales)
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(while (> i 0)
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(if (w32-get-locale-info i)
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(setq locales (cons i locales)))
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(setq i (1- i)))
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locales)))
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(defun w32-list-locales ()
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"List the name and id of all locales supported by Windows."
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(interactive)
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(if (null w32-valid-locales)
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(setq w32-valid-locales (w32-get-valid-locale-ids)))
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(switch-to-buffer-other-window (get-buffer-create "*Supported Locales*"))
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(erase-buffer)
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(insert "LCID\tAbbrev\tFull name\n\n")
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(insert (mapconcat
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'(lambda (x)
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(format "%d\t%s\t%s"
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x
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(w32-get-locale-info x)
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(w32-get-locale-info x t)))
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w32-valid-locales "\n"))
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(insert "\n")
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(goto-char (point-min)))
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;;; Setup Info-default-directory-list to include the info directory
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;;; near where Emacs executable was installed. We used to set INFOPATH,
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;;; but when this is set Info-default-directory-list is ignored. We
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;;; also cannot rely upon what is set in paths.el because they assume
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;;; that configuration during build time is correct for runtime.
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(defun w32-init-info ()
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(let* ((instdir (file-name-directory invocation-directory))
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(dir1 (expand-file-name "../info/" instdir))
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(dir2 (expand-file-name "../../../info/" instdir)))
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(if (file-exists-p dir1)
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(setq Info-default-directory-list
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(append Info-default-directory-list (list dir1)))
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(if (file-exists-p dir2)
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(setq Info-default-directory-list
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(append Info-default-directory-list (list dir2)))))))
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(add-hook 'before-init-hook 'w32-init-info)
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;;; The variable source-directory is used to initialize Info-directory-list.
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;;; However, the common case is that Emacs is being used from a binary
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;;; distribution, and the value of source-directory is meaningless in that
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;;; case. Even worse, source-directory can refer to a directory on a drive
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;;; on the build machine that happens to be a removable drive on the user's
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;;; machine. When this happens, Emacs tries to access the removable drive
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;;; and produces the abort/retry/ignore dialog. Since we do not use
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;;; source-directory, set it to something that is a reasonable approximation
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;;; on the user's machine.
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;(add-hook 'before-init-hook
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; '(lambda ()
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; (setq source-directory (file-name-as-directory
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; (expand-file-name ".." exec-directory)))))
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(defun convert-standard-filename (filename)
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"Convert a standard file's name to something suitable for the current OS.
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This function's standard definition is trivial; it just returns the argument.
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However, on some systems, the function is redefined
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with a definition that really does change some file names."
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(let ((name
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(save-match-data
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(if (string-match "\\`/cygdrive/\\([a-zA-Z]\\)/" filename)
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(replace-match "\\1:/" t nil filename)
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(copy-sequence filename))))
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(start 0))
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;; leave ':' if part of drive specifier
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(if (and (> (length name) 1)
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(eq (aref name 1) ?:))
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(setq start 2))
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;; destructively replace invalid filename characters with !
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(while (string-match "[?*:<>|\"\000-\037]" name start)
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(aset name (match-beginning 0) ?!)
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(setq start (match-end 0)))
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;; convert directory separators to Windows format
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;; (but only if the shell in use requires it)
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(when (w32-shell-dos-semantics)
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(setq start 0)
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(while (string-match "/" name start)
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(aset name (match-beginning 0) ?\\)
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(setq start (match-end 0))))
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name))
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;;; Fix interface to (X-specific) mouse.el
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(defun x-set-selection (type data)
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(or type (setq type 'PRIMARY))
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(put 'x-selections type data))
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(defun x-get-selection (&optional type data-type)
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(or type (setq type 'PRIMARY))
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(get 'x-selections type))
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(defun set-w32-system-coding-system (coding-system)
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"Set the coding system used by the Windows System to CODING-SYSTEM.
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This is used for things like passing font names with non-ASCII
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characters in them to the system. For a list of possible values of
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CODING-SYSTEM, use \\[list-coding-systems].
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This function is provided for backward compatibility, since
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w32-system-coding-system is now an alias for `locale-coding-system'."
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(interactive
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(list (let ((default locale-coding-system))
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(read-coding-system
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(format "Coding system for system calls (default, %s): "
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default)
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default))))
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(check-coding-system coding-system)
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(setq locale-coding-system coding-system))
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;; locale-coding-system was introduced to do the same thing as
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;; w32-system-coding-system. Use that instead.
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(defvaralias 'w32-system-coding-system 'locale-coding-system)
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;;; Set to a system sound if you want a fancy bell.
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(set-message-beep nil)
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;;; The "Windows" keys on newer keyboards bring up the Start menu
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;;; whether you want it or not - make Emacs ignore these keystrokes
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;;; rather than beep.
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(global-set-key [lwindow] 'ignore)
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(global-set-key [rwindow] 'ignore)
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;; Map certain keypad keys into ASCII characters
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;; that people usually expect.
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(define-key function-key-map [tab] [?\t])
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(define-key function-key-map [linefeed] [?\n])
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(define-key function-key-map [clear] [11])
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(define-key function-key-map [return] [13])
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(define-key function-key-map [escape] [?\e])
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(define-key function-key-map [M-tab] [?\M-\t])
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(define-key function-key-map [M-linefeed] [?\M-\n])
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(define-key function-key-map [M-clear] [?\M-\013])
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(define-key function-key-map [M-return] [?\M-\015])
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(define-key function-key-map [M-escape] [?\M-\e])
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;; These don't do the right thing (voelker)
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;(define-key function-key-map [backspace] [127])
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;(define-key function-key-map [delete] [127])
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;(define-key function-key-map [M-backspace] [?\M-\d])
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;(define-key function-key-map [M-delete] [?\M-\d])
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;; These tell read-char how to convert
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;; these special chars to ASCII.
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(put 'tab 'ascii-character ?\t)
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(put 'linefeed 'ascii-character ?\n)
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(put 'clear 'ascii-character 12)
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(put 'return 'ascii-character 13)
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(put 'escape 'ascii-character ?\e)
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(put 'backspace 'ascii-character 127)
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(put 'delete 'ascii-character 127)
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;; W32 uses different color indexes than standard:
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(defvar w32-tty-standard-colors
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'(("black" 0 0 0 0)
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("blue" 1 0 0 52480) ; MediumBlue
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("green" 2 8704 35584 8704) ; ForestGreen
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("cyan" 3 0 52736 53504) ; DarkTurquoise
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("red" 4 45568 8704 8704) ; FireBrick
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("magenta" 5 35584 0 35584) ; DarkMagenta
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("brown" 6 40960 20992 11520) ; Sienna
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("lightgray" 7 48640 48640 48640) ; Gray
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("darkgray" 8 26112 26112 26112) ; Gray40
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("lightblue" 9 0 0 65535) ; Blue
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("lightgreen" 10 0 65535 0) ; Green
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("lightcyan" 11 0 65535 65535) ; Cyan
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("lightred" 12 65535 0 0) ; Red
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("lightmagenta" 13 65535 0 65535) ; Magenta
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("yellow" 14 65535 65535 0) ; Yellow
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("white" 15 65535 65535 65535))
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"A list of VGA console colors, their indices and 16-bit RGB values.")
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(defun w32-add-charset-info (xlfd-charset windows-charset codepage)
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"Function to add character sets to display with Windows fonts.
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Creates entries in `w32-charset-info-alist'.
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XLFD-CHARSET is a string which will appear in the XLFD font name to
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identify the character set. WINDOWS-CHARSET is a symbol identifying
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the Windows character set this maps to. For the list of possible
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values, see the documentation for `w32-charset-info-alist'. CODEPAGE
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can be a numeric codepage that Windows uses to display the character
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set, t for Unicode output with no codepage translation or nil for 8
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bit output with no translation."
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(add-to-list 'w32-charset-info-alist
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(cons xlfd-charset (cons windows-charset codepage)))
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)
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;; The last charset we add becomes the "preferred" charset for the return
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;; value from w32-select-font etc, so list the most important charsets last.
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(w32-add-charset-info "iso8859-14" 'w32-charset-ansi 28604)
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(w32-add-charset-info "iso8859-15" 'w32-charset-ansi 28605)
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(w32-add-charset-info "jisx0201-latin" 'w32-charset-shiftjis 932)
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(w32-add-charset-info "jisx0201-katakana" 'w32-charset-shiftjis 932)
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(w32-add-charset-info "jisx0208-sjis" 'w32-charset-shiftjis 932)
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(w32-add-charset-info "ksc5601.1987" 'w32-charset-hangeul 949)
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(w32-add-charset-info "big5" 'w32-charset-chinesebig5 950)
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(w32-add-charset-info "gb2312" 'w32-charset-gb2312 936)
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(w32-add-charset-info "ms-symbol" 'w32-charset-symbol nil)
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(w32-add-charset-info "ms-oem" 'w32-charset-oem 437)
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(w32-add-charset-info "ms-oemlatin" 'w32-charset-oem 850)
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(if (boundp 'w32-extra-charsets-defined)
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(progn
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(w32-add-charset-info "iso8859-2" 'w32-charset-easteurope 28592)
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(w32-add-charset-info "iso8859-3" 'w32-charset-turkish 28593)
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(w32-add-charset-info "iso8859-4" 'w32-charset-baltic 28594)
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(w32-add-charset-info "iso8859-6" 'w32-charset-arabic 28596)
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(w32-add-charset-info "iso8859-7" 'w32-charset-greek 28597)
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(w32-add-charset-info "iso8859-8" 'w32-charset-hebrew 1255)
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(w32-add-charset-info "iso8859-9" 'w32-charset-turkish 1254)
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(w32-add-charset-info "iso8859-13" 'w32-charset-baltic 1257)
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(w32-add-charset-info "koi8-r" 'w32-charset-russian 20866)
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(w32-add-charset-info "iso8859-5" 'w32-charset-russian 28595)
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(w32-add-charset-info "tis620" 'w32-charset-thai 874)
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(w32-add-charset-info "ksc5601.1992" 'w32-charset-johab 1361)
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(w32-add-charset-info "mac" 'w32-charset-mac nil)))
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(if (boundp 'w32-unicode-charset-defined)
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(progn
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(w32-add-charset-info "unicode" 'w32-charset-unicode t)
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(w32-add-charset-info "iso10646-1" 'w32-charset-unicode t))
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;; If unicode windows charset is not defined, use ansi fonts.
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(w32-add-charset-info "iso10646-1" 'w32-charset-ansi t))
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(w32-add-charset-info "iso8859-1" 'w32-charset-ansi 1252)
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(make-obsolete-variable 'w32-enable-italics
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'w32-enable-synthesized-fonts "21.1")
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(make-obsolete-variable 'w32-charset-to-codepage-alist
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'w32-charset-info-alist "21.1")
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;;;; Selections and cut buffers
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;;; We keep track of the last text selected here, so we can check the
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;;; current selection against it, and avoid passing back our own text
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;;; from x-cut-buffer-or-selection-value.
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(defvar x-last-selected-text nil)
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;;; It is said that overlarge strings are slow to put into the cut buffer.
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;;; Note this value is overridden below.
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(defvar x-cut-buffer-max 20000
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"Max number of characters to put in the cut buffer.")
|
||
|
||
(defun x-select-text (text &optional push)
|
||
"Make TEXT the last selected text.
|
||
If `x-select-enable-clipboard' is non-nil, copy the text to the system
|
||
clipboard as well. Optional PUSH is ignored on Windows."
|
||
(if x-select-enable-clipboard
|
||
(w32-set-clipboard-data text))
|
||
(setq x-last-selected-text text))
|
||
|
||
(defun x-get-selection-value ()
|
||
"Return the value of the current selection.
|
||
Consult the selection, then the cut buffer. Treat empty strings as if
|
||
they were unset."
|
||
(if x-select-enable-clipboard
|
||
(let (text)
|
||
;; Don't die if x-get-selection signals an error.
|
||
(condition-case c
|
||
(setq text (w32-get-clipboard-data))
|
||
(error (message "w32-get-clipboard-data:%s" c)))
|
||
(if (string= text "") (setq text nil))
|
||
(cond
|
||
((not text) nil)
|
||
((eq text x-last-selected-text) nil)
|
||
((string= text x-last-selected-text)
|
||
;; Record the newer string, so subsequent calls can use the 'eq' test.
|
||
(setq x-last-selected-text text)
|
||
nil)
|
||
(t
|
||
(setq x-last-selected-text text))))))
|
||
|
||
(defalias 'x-cut-buffer-or-selection-value 'x-get-selection-value)
|
||
|
||
;;; Arrange for the kill and yank functions to set and check the clipboard.
|
||
(setq interprogram-cut-function 'x-select-text)
|
||
(setq interprogram-paste-function 'x-get-selection-value)
|
||
|
||
|
||
;;; w32-fns.el ends here
|