1;;; w32-fns.el --- Lisp routines for Windows NT 2 3;; Copyright (C) 1994, 2001, 2002, 2003, 2004, 4;; 2005, 2006, 2007 Free Software Foundation, Inc. 5 6;; Author: Geoff Voelker <voelker@cs.washington.edu> 7;; Keywords: internal 8 9;; This file is part of GNU Emacs. 10 11;; GNU Emacs is free software; you can redistribute it and/or modify 12;; it under the terms of the GNU General Public License as published by 13;; the Free Software Foundation; either version 2, or (at your option) 14;; any later version. 15 16;; GNU Emacs is distributed in the hope that it will be useful, 17;; but WITHOUT ANY WARRANTY; without even the implied warranty of 18;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19;; GNU General Public License for more details. 20 21;; You should have received a copy of the GNU General Public License 22;; along with GNU Emacs; see the file COPYING. If not, write to the 23;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 24;; Boston, MA 02110-1301, USA. 25 26;;; Commentary: 27 28;; (August 12, 1993) 29;; Created. 30 31;; (November 21, 1994) 32;; [C-M-backspace] defined. 33;; mode-line-format defined to show buffer file type. 34;; audio bell initialized. 35 36;;; Code: 37 38(defvar explicit-shell-file-name) 39 40;; Map delete and backspace 41(define-key function-key-map [backspace] "\177") 42(define-key function-key-map [delete] "\C-d") 43(define-key function-key-map [M-backspace] [?\M-\177]) 44(define-key function-key-map [C-M-backspace] [\C-\M-delete]) 45 46;; Ignore case on file-name completion 47(setq completion-ignore-case t) 48 49;; Map all versions of a filename (8.3, longname, mixed case) to the 50;; same buffer. 51(setq find-file-visit-truename t) 52 53(defun w32-version () 54 "Return the MS-Windows version numbers. 55The value is a list of three integers: the major and minor version 56numbers, and the build number." 57 (x-server-version)) 58 59(defun w32-using-nt () 60 "Return non-nil if running on a 32-bit Windows system. 61That includes all Windows systems except for 9X/Me." 62 (and (eq system-type 'windows-nt) (getenv "SystemRoot"))) 63 64(defun w32-shell-name () 65 "Return the name of the shell being used." 66 (or (bound-and-true-p explicit-shell-file-name) 67 (getenv "ESHELL") 68 (getenv "SHELL") 69 (and (w32-using-nt) "cmd.exe") 70 "command.com")) 71 72(defun w32-system-shell-p (shell-name) 73 (and shell-name 74 (member (downcase (file-name-nondirectory shell-name)) 75 w32-system-shells))) 76 77(defun w32-shell-dos-semantics () 78 "Return non-nil if the interactive shell being used expects MSDOS shell semantics." 79 (or (w32-system-shell-p (w32-shell-name)) 80 (and (member (downcase (file-name-nondirectory (w32-shell-name))) 81 '("cmdproxy" "cmdproxy.exe")) 82 (w32-system-shell-p (getenv "COMSPEC"))))) 83 84(defun w32-check-shell-configuration () 85 "Check the configuration of shell variables on Windows NT/9X. 86This function is invoked after loading the init files and processing 87the command line arguments. It issues a warning if the user or site 88has configured the shell with inappropriate settings." 89 (interactive) 90 (let ((prev-buffer (current-buffer)) 91 (buffer (get-buffer-create "*Shell Configuration*")) 92 (system-shell)) 93 (set-buffer buffer) 94 (erase-buffer) 95 (if (w32-system-shell-p (getenv "ESHELL")) 96 (insert (format "Warning! The ESHELL environment variable uses %s. 97You probably want to change it so that it uses cmdproxy.exe instead.\n\n" 98 (getenv "ESHELL")))) 99 (if (w32-system-shell-p (getenv "SHELL")) 100 (insert (format "Warning! The SHELL environment variable uses %s. 101You probably want to change it so that it uses cmdproxy.exe instead.\n\n" 102 (getenv "SHELL")))) 103 (if (w32-system-shell-p shell-file-name) 104 (insert (format "Warning! shell-file-name uses %s. 105You probably want to change it so that it uses cmdproxy.exe instead.\n\n" 106 shell-file-name))) 107 (if (and (boundp 'explicit-shell-file-name) 108 (w32-system-shell-p explicit-shell-file-name)) 109 (insert (format "Warning! explicit-shell-file-name uses %s. 110You probably want to change it so that it uses cmdproxy.exe instead.\n\n" 111 explicit-shell-file-name))) 112 (setq system-shell (> (buffer-size) 0)) 113 114 ;; Allow user to specify that they really do want to use one of the 115 ;; "system" shells, despite the drawbacks, but still warn if 116 ;; shell-command-switch doesn't match. 117 (if w32-allow-system-shell 118 (erase-buffer)) 119 120 (cond (system-shell 121 ;; System shells. 122 (if (string-equal "-c" shell-command-switch) 123 (insert "Warning! shell-command-switch is \"-c\". 124You should set this to \"/c\" when using a system shell.\n\n")) 125 (if w32-quote-process-args 126 (insert "Warning! w32-quote-process-args is t. 127You should set this to nil when using a system shell.\n\n"))) 128 ;; Non-system shells. 129 (t 130 (if (string-equal "/c" shell-command-switch) 131 (insert "Warning! shell-command-switch is \"/c\". 132You should set this to \"-c\" when using a non-system shell.\n\n")) 133 (if (not w32-quote-process-args) 134 (insert "Warning! w32-quote-process-args is nil. 135You should set this to t when using a non-system shell.\n\n")))) 136 (if (> (buffer-size) 0) 137 (display-buffer buffer) 138 (kill-buffer buffer)) 139 (set-buffer prev-buffer))) 140 141(add-hook 'after-init-hook 'w32-check-shell-configuration) 142 143;;; Override setting chosen at startup. 144(defun set-default-process-coding-system () 145 ;; Most programs on Windows will accept Unix line endings on input 146 ;; (and some programs ported from Unix require it) but most will 147 ;; produce DOS line endings on output. 148 (setq default-process-coding-system 149 (if default-enable-multibyte-characters 150 '(undecided-dos . undecided-unix) 151 '(raw-text-dos . raw-text-unix))) 152 (or (w32-using-nt) 153 ;; On Windows 9x, make cmdproxy default to using DOS line endings 154 ;; for input, because command.com requires this. 155 (setq process-coding-system-alist 156 `(("[cC][mM][dD][pP][rR][oO][xX][yY]" 157 . ,(if default-enable-multibyte-characters 158 '(undecided-dos . undecided-dos) 159 '(raw-text-dos . raw-text-dos))))))) 160 161(add-hook 'before-init-hook 'set-default-process-coding-system) 162 163 164;;; Basic support functions for managing Emacs' locale setting 165 166(defvar w32-valid-locales nil 167 "List of locale ids known to be supported.") 168 169;;; This is the brute-force version; an efficient version is now 170;;; built-in though. 171(if (not (fboundp 'w32-get-valid-locale-ids)) 172 (defun w32-get-valid-locale-ids () 173 "Return list of all valid Windows locale ids." 174 (let ((i 65535) 175 locales) 176 (while (> i 0) 177 (if (w32-get-locale-info i) 178 (setq locales (cons i locales))) 179 (setq i (1- i))) 180 locales))) 181 182(defun w32-list-locales () 183 "List the name and id of all locales supported by Windows." 184 (interactive) 185 (if (null w32-valid-locales) 186 (setq w32-valid-locales (w32-get-valid-locale-ids))) 187 (switch-to-buffer-other-window (get-buffer-create "*Supported Locales*")) 188 (erase-buffer) 189 (insert "LCID\tAbbrev\tFull name\n\n") 190 (insert (mapconcat 191 '(lambda (x) 192 (format "%d\t%s\t%s" 193 x 194 (w32-get-locale-info x) 195 (w32-get-locale-info x t))) 196 w32-valid-locales "\n")) 197 (insert "\n") 198 (goto-char (point-min))) 199 200 201;;; Setup Info-default-directory-list to include the info directory 202;;; near where Emacs executable was installed. We used to set INFOPATH, 203;;; but when this is set Info-default-directory-list is ignored. We 204;;; also cannot rely upon what is set in paths.el because they assume 205;;; that configuration during build time is correct for runtime. 206(defun w32-init-info () 207 (let* ((instdir (file-name-directory invocation-directory)) 208 (dir1 (expand-file-name "../info/" instdir)) 209 (dir2 (expand-file-name "../../../info/" instdir))) 210 (if (file-exists-p dir1) 211 (setq Info-default-directory-list 212 (append Info-default-directory-list (list dir1))) 213 (if (file-exists-p dir2) 214 (setq Info-default-directory-list 215 (append Info-default-directory-list (list dir2))))))) 216 217(add-hook 'before-init-hook 'w32-init-info) 218 219;;; The variable source-directory is used to initialize Info-directory-list. 220;;; However, the common case is that Emacs is being used from a binary 221;;; distribution, and the value of source-directory is meaningless in that 222;;; case. Even worse, source-directory can refer to a directory on a drive 223;;; on the build machine that happens to be a removable drive on the user's 224;;; machine. When this happens, Emacs tries to access the removable drive 225;;; and produces the abort/retry/ignore dialog. Since we do not use 226;;; source-directory, set it to something that is a reasonable approximation 227;;; on the user's machine. 228 229;(add-hook 'before-init-hook 230; '(lambda () 231; (setq source-directory (file-name-as-directory 232; (expand-file-name ".." exec-directory))))) 233 234(defun convert-standard-filename (filename) 235 "Convert a standard file's name to something suitable for the current OS. 236This means to guarantee valid names and perhaps to canonicalize 237certain patterns. 238 239On Windows and DOS, replace invalid characters. On DOS, make 240sure to obey the 8.3 limitations. On Windows, turn Cygwin names 241into native names, and also turn slashes into backslashes if the 242shell requires it (see `w32-shell-dos-semantics')." 243 (save-match-data 244 (let ((name 245 (if (string-match "\\`/cygdrive/\\([a-zA-Z]\\)/" filename) 246 (replace-match "\\1:/" t nil filename) 247 (copy-sequence filename))) 248 (start 0)) 249 ;; leave ':' if part of drive specifier 250 (if (and (> (length name) 1) 251 (eq (aref name 1) ?:)) 252 (setq start 2)) 253 ;; destructively replace invalid filename characters with ! 254 (while (string-match "[?*:<>|\"\000-\037]" name start) 255 (aset name (match-beginning 0) ?!) 256 (setq start (match-end 0))) 257 ;; convert directory separators to Windows format 258 ;; (but only if the shell in use requires it) 259 (when (w32-shell-dos-semantics) 260 (setq start 0) 261 (while (string-match "/" name start) 262 (aset name (match-beginning 0) ?\\) 263 (setq start (match-end 0)))) 264 name))) 265 266;;; Fix interface to (X-specific) mouse.el 267(defun x-set-selection (type data) 268 (or type (setq type 'PRIMARY)) 269 (put 'x-selections type data)) 270 271(defun x-get-selection (&optional type data-type) 272 (or type (setq type 'PRIMARY)) 273 (get 'x-selections type)) 274 275(defun set-w32-system-coding-system (coding-system) 276 "Set the coding system used by the Windows system to CODING-SYSTEM. 277This is used for things like passing font names with non-ASCII 278characters in them to the system. For a list of possible values of 279CODING-SYSTEM, use \\[list-coding-systems]. 280 281This function is provided for backward compatibility, since 282`w32-system-coding-system' is now an alias for `locale-coding-system'." 283 (interactive 284 (list (let ((default locale-coding-system)) 285 (read-coding-system 286 (format "Coding system for system calls (default %s): " 287 default) 288 default)))) 289 (check-coding-system coding-system) 290 (setq locale-coding-system coding-system)) 291 292;; locale-coding-system was introduced to do the same thing as 293;; w32-system-coding-system. Use that instead. 294(defvaralias 'w32-system-coding-system 'locale-coding-system) 295 296;;; Set to a system sound if you want a fancy bell. 297(set-message-beep nil) 298 299;;; The "Windows" keys on newer keyboards bring up the Start menu 300;;; whether you want it or not - make Emacs ignore these keystrokes 301;;; rather than beep. 302(global-set-key [lwindow] 'ignore) 303(global-set-key [rwindow] 'ignore) 304 305;; Map certain keypad keys into ASCII characters 306;; that people usually expect. 307(define-key function-key-map [tab] [?\t]) 308(define-key function-key-map [linefeed] [?\n]) 309(define-key function-key-map [clear] [11]) 310(define-key function-key-map [return] [13]) 311(define-key function-key-map [escape] [?\e]) 312(define-key function-key-map [M-tab] [?\M-\t]) 313(define-key function-key-map [M-linefeed] [?\M-\n]) 314(define-key function-key-map [M-clear] [?\M-\013]) 315(define-key function-key-map [M-return] [?\M-\015]) 316(define-key function-key-map [M-escape] [?\M-\e]) 317 318;; These don't do the right thing (voelker) 319;(define-key function-key-map [backspace] [127]) 320;(define-key function-key-map [delete] [127]) 321;(define-key function-key-map [M-backspace] [?\M-\d]) 322;(define-key function-key-map [M-delete] [?\M-\d]) 323 324;; These tell read-char how to convert 325;; these special chars to ASCII. 326(put 'tab 'ascii-character ?\t) 327(put 'linefeed 'ascii-character ?\n) 328(put 'clear 'ascii-character 12) 329(put 'return 'ascii-character 13) 330(put 'escape 'ascii-character ?\e) 331(put 'backspace 'ascii-character 127) 332(put 'delete 'ascii-character 127) 333 334;; W32 uses different color indexes than standard: 335 336(defvar w32-tty-standard-colors 337 '(("black" 0 0 0 0) 338 ("blue" 1 0 0 52480) ; MediumBlue 339 ("green" 2 8704 35584 8704) ; ForestGreen 340 ("cyan" 3 0 52736 53504) ; DarkTurquoise 341 ("red" 4 45568 8704 8704) ; FireBrick 342 ("magenta" 5 35584 0 35584) ; DarkMagenta 343 ("brown" 6 40960 20992 11520) ; Sienna 344 ("lightgray" 7 48640 48640 48640) ; Gray 345 ("darkgray" 8 26112 26112 26112) ; Gray40 346 ("lightblue" 9 0 0 65535) ; Blue 347 ("lightgreen" 10 0 65535 0) ; Green 348 ("lightcyan" 11 0 65535 65535) ; Cyan 349 ("lightred" 12 65535 0 0) ; Red 350 ("lightmagenta" 13 65535 0 65535) ; Magenta 351 ("yellow" 14 65535 65535 0) ; Yellow 352 ("white" 15 65535 65535 65535)) 353"A list of VGA console colors, their indices and 16-bit RGB values.") 354 355 356(defun w32-add-charset-info (xlfd-charset windows-charset codepage) 357 "Function to add character sets to display with Windows fonts. 358Creates entries in `w32-charset-info-alist'. 359XLFD-CHARSET is a string which will appear in the XLFD font name to 360identify the character set. WINDOWS-CHARSET is a symbol identifying 361the Windows character set this maps to. For the list of possible 362values, see the documentation for `w32-charset-info-alist'. CODEPAGE 363can be a numeric codepage that Windows uses to display the character 364set, t for Unicode output with no codepage translation or nil for 8 365bit output with no translation." 366 (add-to-list 'w32-charset-info-alist 367 (cons xlfd-charset (cons windows-charset codepage))) 368 ) 369 370;; The last charset we add becomes the "preferred" charset for the return 371;; value from w32-select-font etc, so list the most important charsets last. 372(w32-add-charset-info "iso8859-14" 'w32-charset-ansi 28604) 373(w32-add-charset-info "iso8859-15" 'w32-charset-ansi 28605) 374(w32-add-charset-info "jisx0201-latin" 'w32-charset-shiftjis 932) 375(w32-add-charset-info "jisx0201-katakana" 'w32-charset-shiftjis 932) 376(w32-add-charset-info "jisx0208-sjis" 'w32-charset-shiftjis 932) 377(w32-add-charset-info "ksc5601.1987" 'w32-charset-hangeul 949) 378(w32-add-charset-info "big5" 'w32-charset-chinesebig5 950) 379(w32-add-charset-info "gb2312" 'w32-charset-gb2312 936) 380(w32-add-charset-info "ms-symbol" 'w32-charset-symbol nil) 381(w32-add-charset-info "ms-oem" 'w32-charset-oem 437) 382(w32-add-charset-info "ms-oemlatin" 'w32-charset-oem 850) 383(if (boundp 'w32-extra-charsets-defined) 384 (progn 385 (w32-add-charset-info "iso8859-2" 'w32-charset-easteurope 28592) 386 (w32-add-charset-info "iso8859-3" 'w32-charset-turkish 28593) 387 (w32-add-charset-info "iso8859-4" 'w32-charset-baltic 28594) 388 (w32-add-charset-info "iso8859-6" 'w32-charset-arabic 28596) 389 (w32-add-charset-info "iso8859-7" 'w32-charset-greek 28597) 390 (w32-add-charset-info "iso8859-8" 'w32-charset-hebrew 1255) 391 (w32-add-charset-info "iso8859-9" 'w32-charset-turkish 1254) 392 (w32-add-charset-info "iso8859-13" 'w32-charset-baltic 1257) 393 (w32-add-charset-info "koi8-r" 'w32-charset-russian 20866) 394 (w32-add-charset-info "iso8859-5" 'w32-charset-russian 28595) 395 (w32-add-charset-info "tis620" 'w32-charset-thai 874) 396 (w32-add-charset-info "ksc5601.1992" 'w32-charset-johab 1361) 397 (w32-add-charset-info "mac" 'w32-charset-mac nil))) 398(if (boundp 'w32-unicode-charset-defined) 399 (progn 400 (w32-add-charset-info "unicode" 'w32-charset-unicode t) 401 (w32-add-charset-info "iso10646-1" 'w32-charset-unicode t)) 402 ;; If unicode windows charset is not defined, use ansi fonts. 403 (w32-add-charset-info "iso10646-1" 'w32-charset-ansi t)) 404(w32-add-charset-info "iso8859-1" 'w32-charset-ansi 1252) 405 406(make-obsolete-variable 'w32-enable-italics 407 'w32-enable-synthesized-fonts "21.1") 408(make-obsolete-variable 'w32-charset-to-codepage-alist 409 'w32-charset-info-alist "21.1") 410 411 412;;;; Selections and cut buffers 413 414;;; We keep track of the last text selected here, so we can check the 415;;; current selection against it, and avoid passing back our own text 416;;; from x-cut-buffer-or-selection-value. 417(defvar x-last-selected-text nil) 418 419;;; It is said that overlarge strings are slow to put into the cut buffer. 420;;; Note this value is overridden below. 421(defvar x-cut-buffer-max 20000 422 "Max number of characters to put in the cut buffer.") 423 424(defun x-select-text (text &optional push) 425 "Make TEXT the last selected text. 426If `x-select-enable-clipboard' is non-nil, copy the text to the system 427clipboard as well. Optional PUSH is ignored on Windows." 428 (if x-select-enable-clipboard 429 (w32-set-clipboard-data text)) 430 (setq x-last-selected-text text)) 431 432(defun x-get-selection-value () 433 "Return the value of the current selection. 434Consult the selection, then the cut buffer. Treat empty strings as if 435they were unset." 436 (if x-select-enable-clipboard 437 (let (text) 438 ;; Don't die if x-get-selection signals an error. 439 (condition-case c 440 (setq text (w32-get-clipboard-data)) 441 (error (message "w32-get-clipboard-data:%s" c))) 442 (if (string= text "") (setq text nil)) 443 (cond 444 ((not text) nil) 445 ((eq text x-last-selected-text) nil) 446 ((string= text x-last-selected-text) 447 ;; Record the newer string, so subsequent calls can use the 'eq' test. 448 (setq x-last-selected-text text) 449 nil) 450 (t 451 (setq x-last-selected-text text)))))) 452 453(defalias 'x-cut-buffer-or-selection-value 'x-get-selection-value) 454 455;;; Arrange for the kill and yank functions to set and check the clipboard. 456(setq interprogram-cut-function 'x-select-text) 457(setq interprogram-paste-function 'x-get-selection-value) 458 459 460;;;; Support for build process 461(defun w32-batch-update-autoloads () 462 "Like `batch-update-autoloads', but takes the name of the autoloads file 463from the command line. 464 465This is required because some Windows build environments, such as MSYS, 466munge command-line arguments that include file names to a horrible mess 467that Emacs is unable to cope with." 468 (let ((generated-autoload-file 469 (expand-file-name (pop command-line-args-left)))) 470 (batch-update-autoloads))) 471 472(defun w32-append-code-lines (orig extra) 473 "Append non-empty non-comment lines in the file EXTRA to the file ORIG. 474 475This function saves all buffers and kills the Emacs session, without asking 476for any permissions. 477 478This is required because the Windows build environment is not required 479to include Sed, which is used by leim/Makefile.in to do the job." 480 (find-file orig) 481 (goto-char (point-max)) 482 (insert-file-contents extra) 483 (delete-matching-lines "^$\\|^;") 484 (save-buffers-kill-emacs t)) 485 486;;; arch-tag: c49b48cc-0f4f-454f-a274-c2dc34815e14 487;;; w32-fns.el ends here 488