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529 lines
21 KiB
EmacsLisp
529 lines
21 KiB
EmacsLisp
;;; w32-fns.el --- Lisp routines for Windows NT
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;; Copyright (C) 1994, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
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;; 2009 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 3 of the License, or
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;; (at your option) 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. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;;; Code:
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(require 'w32-vars)
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(defvar explicit-shell-file-name)
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;;;; Function keys
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(defvar x-alternatives-map
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(let ((map (make-sparse-keymap)))
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;; Map certain keypad keys into ASCII characters that people usually expect.
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(define-key map [backspace] [127])
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(define-key map [delete] [127])
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(define-key map [tab] [?\t])
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(define-key map [linefeed] [?\n])
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(define-key map [clear] [?\C-l])
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(define-key map [return] [?\C-m])
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(define-key map [escape] [?\e])
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(define-key map [M-backspace] [?\M-\d])
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(define-key map [M-delete] [?\M-\d])
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(define-key map [M-tab] [?\M-\t])
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(define-key map [M-linefeed] [?\M-\n])
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(define-key map [M-clear] [?\M-\C-l])
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(define-key map [M-return] [?\M-\C-m])
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(define-key map [M-escape] [?\M-\e])
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(define-key map [iso-lefttab] [backtab])
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(define-key map [S-iso-lefttab] [backtab])
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(define-key map [S-tab] [backtab])
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map)
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"Keymap of possible alternative meanings for some keys.")
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(defun x-setup-function-keys (frame)
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"Set up `function-key-map' on the graphical frame FRAME."
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;; Don't do this twice on the same display, or it would break
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;; normal-erase-is-backspace-mode.
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(unless (terminal-parameter frame 'x-setup-function-keys)
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;; Map certain keypad keys into ASCII characters that people usually expect.
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(with-selected-frame frame
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(let ((map (copy-keymap x-alternatives-map)))
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(set-keymap-parent map (keymap-parent local-function-key-map))
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(set-keymap-parent local-function-key-map map)))
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(set-terminal-parameter frame 'x-setup-function-keys t)))
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(declare-function set-message-beep "w32console.c")
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(declare-function w32-get-clipboard-data "w32select.c")
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(declare-function w32-get-locale-info "w32proc.c")
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(declare-function w32-get-valid-locale-ids "w32proc.c")
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(declare-function w32-set-clipboard-data "w32select.c")
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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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(declare-function x-server-version "w32fns.c" (&optional display))
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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 running on a Windows NT descendant.
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That includes all Windows systems except for 9X/Me."
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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 (bound-and-true-p 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 non-nil if the interactive shell being used expects MS-DOS 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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(defvar w32-quote-process-args) ;; defined in w32proc.c
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(defun w32-check-shell-configuration ()
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"Check the configuration of shell variables on Windows.
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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-value '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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;; Make cmdproxy default to using DOS line endings for input,
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;; because some Windows programs (including command.com) require it.
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(add-to-list 'process-coding-system-alist
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`("[cC][mM][dD][pP][rR][oO][xX][yY]"
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. ,(if (default-value '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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;; plink needs DOS input when entering the password.
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(add-to-list 'process-coding-system-alist
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`("[pP][lL][iI][nN][kK]"
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. ,(if (default-value '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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(when (null w32-valid-locales)
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(setq w32-valid-locales (sort (w32-get-valid-locale-ids) #'<)))
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(with-output-to-temp-buffer "*Supported Locales*"
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(princ "LCID\tAbbrev\tFull name\n\n")
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(dolist (locale w32-valid-locales)
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(princ (format "%d\t%s\t%s\n"
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locale
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(w32-get-locale-info locale)
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(w32-get-locale-info locale t))))))
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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 means to guarantee valid names and perhaps to canonicalize
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certain patterns.
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On Windows and DOS, replace invalid characters. On DOS, make
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sure to obey the 8.3 limitations. On Windows, turn Cygwin names
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into native names, and also turn slashes into backslashes if the
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shell requires it (see `w32-shell-dos-semantics')."
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(save-match-data
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(let ((name
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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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"Make an X selection of type TYPE and value DATA.
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The argument TYPE (nil means `PRIMARY') says which selection, and
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DATA specifies the contents. TYPE must be a symbol. \(It can also
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be a string, which stands for the symbol with that name, but this
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is considered obsolete.) DATA may be a string, a symbol, an
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integer (or a cons of two integers or list of two integers).
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The selection may also be a cons of two markers pointing to the same buffer,
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or an overlay. In these cases, the selection is considered to be the text
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between the markers *at whatever time the selection is examined*.
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Thus, editing done in the buffer after you specify the selection
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can alter the effective value of the selection.
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The data may also be a vector of valid non-vector selection values.
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The return value is DATA.
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Interactively, this command sets the primary selection. Without
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prefix argument, it reads the selection in the minibuffer. With
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prefix argument, it uses the text of the region as the selection value.
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Note that on MS-Windows, primary and secondary selections set by Emacs
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are not available to other programs."
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(put 'x-selections (or type 'PRIMARY) data))
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(defun x-get-selection (&optional type data-type)
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"Return the value of an X Windows selection.
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The argument TYPE (default `PRIMARY') says which selection,
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and the argument DATA-TYPE (default `STRING') says
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how to convert the data.
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TYPE may be any symbol \(but nil stands for `PRIMARY'). However,
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only a few symbols are commonly used. They conventionally have
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all upper-case names. The most often used ones, in addition to
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`PRIMARY', are `SECONDARY' and `CLIPBOARD'.
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DATA-TYPE is usually `STRING', but can also be one of the symbols
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in `selection-converter-alist', which see."
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(get 'x-selections (or type 'PRIMARY)))
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;; x-selection-owner-p is used in simple.el
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(defun x-selection-owner-p (&optional type)
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(and (memq type '(nil PRIMARY SECONDARY))
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(get 'x-selections (or type 'PRIMARY))))
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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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;; 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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(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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;; 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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;; The following two are included for pattern matching.
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(w32-add-charset-info "jisx0201" 'w32-charset-shiftjis 932)
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(w32-add-charset-info "jisx0208" 'w32-charset-shiftjis 932)
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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 "ksc5601.1989" '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 "gb2312.1980" '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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(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)
|
||
(w32-add-charset-info "iso8859-13" 'w32-charset-baltic 1257)
|
||
(w32-add-charset-info "koi8-r" 'w32-charset-russian 20866)
|
||
(w32-add-charset-info "iso8859-5" 'w32-charset-russian 28595)
|
||
(w32-add-charset-info "tis620-2533" 'w32-charset-thai 874)
|
||
(w32-add-charset-info "windows-1258" 'w32-charset-vietnamese 1258)
|
||
(w32-add-charset-info "ksc5601.1992" 'w32-charset-johab 1361)
|
||
(w32-add-charset-info "mac-roman" 'w32-charset-mac 10000)
|
||
(w32-add-charset-info "iso10646-1" 'w32-charset-default t)
|
||
|
||
;; ;; If unicode windows charset is not defined, use ansi fonts.
|
||
;; (w32-add-charset-info "iso10646-1" 'w32-charset-ansi t))
|
||
|
||
;; Prefered names
|
||
(w32-add-charset-info "big5-0" 'w32-charset-chinesebig5 950)
|
||
(w32-add-charset-info "gb2312.1980-0" 'w32-charset-gb2312 936)
|
||
(w32-add-charset-info "jisx0208-sjis" 'w32-charset-shiftjis 932)
|
||
(w32-add-charset-info "ksc5601.1987-0" 'w32-charset-hangeul 949)
|
||
(w32-add-charset-info "tis620-0" 'w32-charset-thai 874)
|
||
(w32-add-charset-info "iso8859-1" 'w32-charset-ansi 1252)
|
||
|
||
(make-obsolete-variable 'w32-enable-italics
|
||
'w32-enable-synthesized-fonts "21.1")
|
||
(make-obsolete-variable 'w32-charset-to-codepage-alist
|
||
'w32-charset-info-alist "21.1")
|
||
|
||
|
||
;;;; Selections and cut buffers
|
||
|
||
;; We keep track of the last text selected here, so we can check the
|
||
;; current selection against it, and avoid passing back our own text
|
||
;; from x-cut-buffer-or-selection-value.
|
||
(defvar x-last-selected-text nil)
|
||
|
||
;; It is said that overlarge strings are slow to put into the cut buffer.
|
||
;; Note this value is overridden below.
|
||
(defvar x-cut-buffer-max 20000
|
||
"Max number of characters to put in the cut buffer.")
|
||
|
||
(defun x-select-text (text &optional push)
|
||
"Select TEXT, a string, according to the window system.
|
||
|
||
On X, put TEXT in the primary X selection. For backward
|
||
compatibility with older X applications, set the value of X cut
|
||
buffer 0 as well, and if the optional argument PUSH is non-nil,
|
||
rotate the cut buffers. If `x-select-enable-clipboard' is
|
||
non-nil, copy the text to the X clipboard as well.
|
||
|
||
On Windows, make TEXT the current selection. If
|
||
`x-select-enable-clipboard' is non-nil, copy the text to the
|
||
clipboard as well. The argument PUSH is ignored.
|
||
|
||
On Nextstep, put TEXT in the pasteboard; PUSH is ignored."
|
||
(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)
|
||
|
||
|
||
;;;; Support for build process
|
||
(defun w32-batch-update-autoloads ()
|
||
"Like `batch-update-autoloads', but takes the name of the autoloads file
|
||
from the command line.
|
||
|
||
This is required because some Windows build environments, such as MSYS,
|
||
munge command-line arguments that include file names to a horrible mess
|
||
that Emacs is unable to cope with."
|
||
(let ((generated-autoload-file
|
||
(expand-file-name (pop command-line-args-left))))
|
||
(batch-update-autoloads)))
|
||
|
||
(defun w32-append-code-lines (orig extra)
|
||
"Append non-empty non-comment lines in the file EXTRA to the file ORIG.
|
||
|
||
This function saves all buffers and kills the Emacs session, without asking
|
||
for any permissions.
|
||
|
||
This is required because the Windows build environment is not required
|
||
to include Sed, which is used by leim/Makefile.in to do the job."
|
||
(find-file orig)
|
||
(goto-char (point-max))
|
||
(insert-file-contents extra)
|
||
(delete-matching-lines "^$\\|^;")
|
||
(save-buffers-kill-emacs t))
|
||
|
||
;; arch-tag: c49b48cc-0f4f-454f-a274-c2dc34815e14
|
||
;;; w32-fns.el ends here
|