Commit | Line | Data |
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e8af40ee | 1 | ;;; w32-fns.el --- Lisp routines for Windows NT |
b578f267 | 2 | |
0d30b337 | 3 | ;; Copyright (C) 1994, 2001, 2002, 2003, 2004, |
ae940284 | 4 | ;; 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. |
95ed0025 | 5 | |
68429d86 | 6 | ;; Author: Geoff Voelker <voelker@cs.washington.edu> |
284b3043 | 7 | ;; Keywords: internal |
95ed0025 RS |
8 | |
9 | ;; This file is part of GNU Emacs. | |
10 | ||
eb3fa2cf | 11 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
95ed0025 | 12 | ;; it under the terms of the GNU General Public License as published by |
eb3fa2cf GM |
13 | ;; the Free Software Foundation, either version 3 of the License, or |
14 | ;; (at your option) any later version. | |
95ed0025 RS |
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 | |
eb3fa2cf | 22 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
95ed0025 RS |
23 | |
24 | ;;; Commentary: | |
25 | ||
95ed0025 RS |
26 | |
27 | ;;; Code: | |
2f42c75f | 28 | (require 'w32-vars) |
95ed0025 | 29 | |
b5de9ae0 JB |
30 | (defvar explicit-shell-file-name) |
31 | ||
716eb574 JR |
32 | ;;;; Function keys |
33 | ||
34 | (defvar x-alternatives-map | |
35 | (let ((map (make-sparse-keymap))) | |
36 | ;; Map certain keypad keys into ASCII characters that people usually expect. | |
37 | (define-key map [backspace] [127]) | |
38 | (define-key map [delete] [127]) | |
39 | (define-key map [tab] [?\t]) | |
40 | (define-key map [linefeed] [?\n]) | |
41 | (define-key map [clear] [?\C-l]) | |
42 | (define-key map [return] [?\C-m]) | |
43 | (define-key map [escape] [?\e]) | |
44 | (define-key map [M-backspace] [?\M-\d]) | |
45 | (define-key map [M-delete] [?\M-\d]) | |
46 | (define-key map [M-tab] [?\M-\t]) | |
47 | (define-key map [M-linefeed] [?\M-\n]) | |
48 | (define-key map [M-clear] [?\M-\C-l]) | |
49 | (define-key map [M-return] [?\M-\C-m]) | |
50 | (define-key map [M-escape] [?\M-\e]) | |
51 | (define-key map [iso-lefttab] [backtab]) | |
52 | (define-key map [S-iso-lefttab] [backtab]) | |
c56e37dd | 53 | (define-key map [S-tab] [backtab]) |
716eb574 JR |
54 | map) |
55 | "Keymap of possible alternative meanings for some keys.") | |
56 | ||
57 | (defun x-setup-function-keys (frame) | |
58 | "Set up `function-key-map' on FRAME for w32." | |
59 | ;; Don't do this twice on the same display, or it would break | |
60 | ;; normal-erase-is-backspace-mode. | |
61 | (unless (terminal-parameter frame 'x-setup-function-keys) | |
62 | ;; Map certain keypad keys into ASCII characters that people usually expect. | |
63 | (with-selected-frame frame | |
64 | (let ((map (copy-keymap x-alternatives-map))) | |
65 | (set-keymap-parent map (keymap-parent local-function-key-map)) | |
66 | (set-keymap-parent local-function-key-map map))) | |
67 | (set-terminal-parameter frame 'x-setup-function-keys t))) | |
68 | ||
73e6adaa DN |
69 | (declare-function set-message-beep "w32console.c") |
70 | (declare-function w32-get-clipboard-data "w32select.c") | |
71 | (declare-function w32-get-locale-info "w32proc.c") | |
72 | (declare-function w32-get-valid-locale-ids "w32proc.c") | |
73 | (declare-function w32-set-clipboard-data "w32select.c") | |
81b38822 | 74 | |
bcaf1c36 | 75 | ;; Map all versions of a filename (8.3, longname, mixed case) to the |
d234707d GV |
76 | ;; same buffer. |
77 | (setq find-file-visit-truename t) | |
78 | ||
aa360da1 GM |
79 | (declare-function x-server-version "w32fns.c" (&optional display)) |
80 | ||
161ab819 AI |
81 | (defun w32-version () |
82 | "Return the MS-Windows version numbers. | |
83 | The value is a list of three integers: the major and minor version | |
84 | numbers, and the build number." | |
85 | (x-server-version)) | |
86 | ||
ee82af56 | 87 | (defun w32-using-nt () |
4ff64219 | 88 | "Return non-nil if running on a Windows NT descendant. |
49bd2bfe | 89 | That includes all Windows systems except for 9X/Me." |
ee82af56 GV |
90 | (and (eq system-type 'windows-nt) (getenv "SystemRoot"))) |
91 | ||
92 | (defun w32-shell-name () | |
d234707d | 93 | "Return the name of the shell being used." |
551ea1bd | 94 | (or (bound-and-true-p explicit-shell-file-name) |
ee82af56 GV |
95 | (getenv "ESHELL") |
96 | (getenv "SHELL") | |
97 | (and (w32-using-nt) "cmd.exe") | |
98 | "command.com")) | |
99 | ||
d234707d GV |
100 | (defun w32-system-shell-p (shell-name) |
101 | (and shell-name | |
bcaf1c36 | 102 | (member (downcase (file-name-nondirectory shell-name)) |
d234707d | 103 | w32-system-shells))) |
ee82af56 | 104 | |
f3e62da2 | 105 | (defun w32-shell-dos-semantics () |
8fc29035 | 106 | "Return non-nil if the interactive shell being used expects MS-DOS shell semantics." |
f3e62da2 GV |
107 | (or (w32-system-shell-p (w32-shell-name)) |
108 | (and (member (downcase (file-name-nondirectory (w32-shell-name))) | |
109 | '("cmdproxy" "cmdproxy.exe")) | |
110 | (w32-system-shell-p (getenv "COMSPEC"))))) | |
111 | ||
200fe89b DN |
112 | (defvar w32-quote-process-args) ;; defined in w32proc.c |
113 | ||
d234707d | 114 | (defun w32-check-shell-configuration () |
72ab66eb | 115 | "Check the configuration of shell variables on Windows. |
ee82af56 | 116 | This function is invoked after loading the init files and processing |
d234707d GV |
117 | the command line arguments. It issues a warning if the user or site |
118 | has configured the shell with inappropriate settings." | |
85f568ec | 119 | (interactive) |
d234707d GV |
120 | (let ((prev-buffer (current-buffer)) |
121 | (buffer (get-buffer-create "*Shell Configuration*")) | |
122 | (system-shell)) | |
123 | (set-buffer buffer) | |
124 | (erase-buffer) | |
125 | (if (w32-system-shell-p (getenv "ESHELL")) | |
126 | (insert (format "Warning! The ESHELL environment variable uses %s. | |
bcaf1c36 | 127 | You probably want to change it so that it uses cmdproxy.exe instead.\n\n" |
d234707d GV |
128 | (getenv "ESHELL")))) |
129 | (if (w32-system-shell-p (getenv "SHELL")) | |
130 | (insert (format "Warning! The SHELL environment variable uses %s. | |
bcaf1c36 | 131 | You probably want to change it so that it uses cmdproxy.exe instead.\n\n" |
d234707d GV |
132 | (getenv "SHELL")))) |
133 | (if (w32-system-shell-p shell-file-name) | |
134 | (insert (format "Warning! shell-file-name uses %s. | |
bcaf1c36 | 135 | You probably want to change it so that it uses cmdproxy.exe instead.\n\n" |
d234707d GV |
136 | shell-file-name))) |
137 | (if (and (boundp 'explicit-shell-file-name) | |
138 | (w32-system-shell-p explicit-shell-file-name)) | |
139 | (insert (format "Warning! explicit-shell-file-name uses %s. | |
140 | You probably want to change it so that it uses cmdproxy.exe instead.\n\n" | |
141 | explicit-shell-file-name))) | |
142 | (setq system-shell (> (buffer-size) 0)) | |
85f568ec GV |
143 | |
144 | ;; Allow user to specify that they really do want to use one of the | |
145 | ;; "system" shells, despite the drawbacks, but still warn if | |
146 | ;; shell-command-switch doesn't match. | |
147 | (if w32-allow-system-shell | |
148 | (erase-buffer)) | |
149 | ||
d234707d GV |
150 | (cond (system-shell |
151 | ;; System shells. | |
152 | (if (string-equal "-c" shell-command-switch) | |
153 | (insert "Warning! shell-command-switch is \"-c\". | |
154 | You should set this to \"/c\" when using a system shell.\n\n")) | |
155 | (if w32-quote-process-args | |
156 | (insert "Warning! w32-quote-process-args is t. | |
157 | You should set this to nil when using a system shell.\n\n"))) | |
158 | ;; Non-system shells. | |
159 | (t | |
160 | (if (string-equal "/c" shell-command-switch) | |
161 | (insert "Warning! shell-command-switch is \"/c\". | |
162 | You should set this to \"-c\" when using a non-system shell.\n\n")) | |
163 | (if (not w32-quote-process-args) | |
164 | (insert "Warning! w32-quote-process-args is nil. | |
165 | You should set this to t when using a non-system shell.\n\n")))) | |
166 | (if (> (buffer-size) 0) | |
167 | (display-buffer buffer) | |
168 | (kill-buffer buffer)) | |
169 | (set-buffer prev-buffer))) | |
170 | ||
171 | (add-hook 'after-init-hook 'w32-check-shell-configuration) | |
172 | ||
b1ed8648 AI |
173 | ;;; Override setting chosen at startup. |
174 | (defun set-default-process-coding-system () | |
175 | ;; Most programs on Windows will accept Unix line endings on input | |
176 | ;; (and some programs ported from Unix require it) but most will | |
177 | ;; produce DOS line endings on output. | |
178 | (setq default-process-coding-system | |
179 | (if default-enable-multibyte-characters | |
180 | '(undecided-dos . undecided-unix) | |
181 | '(raw-text-dos . raw-text-unix))) | |
a272a739 JR |
182 | ;; Make cmdproxy default to using DOS line endings for input, |
183 | ;; because some Windows programs (including command.com) require it. | |
184 | (add-to-list 'process-coding-system-alist | |
185 | `("[cC][mM][dD][pP][rR][oO][xX][yY]" | |
186 | . ,(if default-enable-multibyte-characters | |
187 | '(undecided-dos . undecided-dos) | |
188 | '(raw-text-dos . raw-text-dos)))) | |
189 | ;; plink needs DOS input when entering the password. | |
190 | (add-to-list 'process-coding-system-alist | |
191 | `("[pP][lL][iI][nN][kK]" | |
192 | . ,(if default-enable-multibyte-characters | |
193 | '(undecided-dos . undecided-dos) | |
194 | '(raw-text-dos . raw-text-dos))))) | |
b1ed8648 AI |
195 | |
196 | (add-hook 'before-init-hook 'set-default-process-coding-system) | |
197 | ||
85f568ec GV |
198 | |
199 | ;;; Basic support functions for managing Emacs' locale setting | |
200 | ||
201 | (defvar w32-valid-locales nil | |
202 | "List of locale ids known to be supported.") | |
203 | ||
204 | ;;; This is the brute-force version; an efficient version is now | |
205 | ;;; built-in though. | |
206 | (if (not (fboundp 'w32-get-valid-locale-ids)) | |
207 | (defun w32-get-valid-locale-ids () | |
208 | "Return list of all valid Windows locale ids." | |
209 | (let ((i 65535) | |
210 | locales) | |
211 | (while (> i 0) | |
212 | (if (w32-get-locale-info i) | |
213 | (setq locales (cons i locales))) | |
214 | (setq i (1- i))) | |
215 | locales))) | |
216 | ||
217 | (defun w32-list-locales () | |
218 | "List the name and id of all locales supported by Windows." | |
219 | (interactive) | |
ac62ec16 JB |
220 | (when (null w32-valid-locales) |
221 | (setq w32-valid-locales (sort (w32-get-valid-locale-ids) #'<))) | |
555e23cf JB |
222 | (with-output-to-temp-buffer "*Supported Locales*" |
223 | (princ "LCID\tAbbrev\tFull name\n\n") | |
011a0143 JB |
224 | (dolist (locale w32-valid-locales) |
225 | (princ (format "%d\t%s\t%s\n" | |
226 | locale | |
227 | (w32-get-locale-info locale) | |
228 | (w32-get-locale-info locale t)))))) | |
85f568ec | 229 | |
d234707d GV |
230 | ;;; Setup Info-default-directory-list to include the info directory |
231 | ;;; near where Emacs executable was installed. We used to set INFOPATH, | |
232 | ;;; but when this is set Info-default-directory-list is ignored. We | |
233 | ;;; also cannot rely upon what is set in paths.el because they assume | |
234 | ;;; that configuration during build time is correct for runtime. | |
235 | (defun w32-init-info () | |
236 | (let* ((instdir (file-name-directory invocation-directory)) | |
85f568ec | 237 | (dir1 (expand-file-name "../info/" instdir)) |
d234707d GV |
238 | (dir2 (expand-file-name "../../../info/" instdir))) |
239 | (if (file-exists-p dir1) | |
bcaf1c36 | 240 | (setq Info-default-directory-list |
d234707d GV |
241 | (append Info-default-directory-list (list dir1))) |
242 | (if (file-exists-p dir2) | |
243 | (setq Info-default-directory-list | |
244 | (append Info-default-directory-list (list dir2))))))) | |
245 | ||
246 | (add-hook 'before-init-hook 'w32-init-info) | |
3eab6a03 | 247 | |
8929f478 GV |
248 | ;;; The variable source-directory is used to initialize Info-directory-list. |
249 | ;;; However, the common case is that Emacs is being used from a binary | |
250 | ;;; distribution, and the value of source-directory is meaningless in that | |
251 | ;;; case. Even worse, source-directory can refer to a directory on a drive | |
252 | ;;; on the build machine that happens to be a removable drive on the user's | |
253 | ;;; machine. When this happens, Emacs tries to access the removable drive | |
254 | ;;; and produces the abort/retry/ignore dialog. Since we do not use | |
255 | ;;; source-directory, set it to something that is a reasonable approximation | |
256 | ;;; on the user's machine. | |
257 | ||
bcaf1c36 | 258 | ;(add-hook 'before-init-hook |
1198514b | 259 | ; '(lambda () |
bcaf1c36 | 260 | ; (setq source-directory (file-name-as-directory |
1198514b | 261 | ; (expand-file-name ".." exec-directory))))) |
8929f478 | 262 | |
d234707d GV |
263 | (defun convert-standard-filename (filename) |
264 | "Convert a standard file's name to something suitable for the current OS. | |
915b0bf0 JB |
265 | This means to guarantee valid names and perhaps to canonicalize |
266 | certain patterns. | |
267 | ||
268 | On Windows and DOS, replace invalid characters. On DOS, make | |
269 | sure to obey the 8.3 limitations. On Windows, turn Cygwin names | |
270 | into native names, and also turn slashes into backslashes if the | |
271 | shell requires it (see `w32-shell-dos-semantics')." | |
45b8a401 EZ |
272 | (save-match-data |
273 | (let ((name | |
274 | (if (string-match "\\`/cygdrive/\\([a-zA-Z]\\)/" filename) | |
bcaf1c36 | 275 | (replace-match "\\1:/" t nil filename) |
45b8a401 EZ |
276 | (copy-sequence filename))) |
277 | (start 0)) | |
278 | ;; leave ':' if part of drive specifier | |
279 | (if (and (> (length name) 1) | |
280 | (eq (aref name 1) ?:)) | |
281 | (setq start 2)) | |
282 | ;; destructively replace invalid filename characters with ! | |
283 | (while (string-match "[?*:<>|\"\000-\037]" name start) | |
284 | (aset name (match-beginning 0) ?!) | |
285 | (setq start (match-end 0))) | |
286 | ;; convert directory separators to Windows format | |
287 | ;; (but only if the shell in use requires it) | |
288 | (when (w32-shell-dos-semantics) | |
289 | (setq start 0) | |
290 | (while (string-match "/" name start) | |
291 | (aset name (match-beginning 0) ?\\) | |
292 | (setq start (match-end 0)))) | |
293 | name))) | |
4e0cd0df | 294 | |
95ed0025 | 295 | ;;; Fix interface to (X-specific) mouse.el |
bffcf874 RS |
296 | (defun x-set-selection (type data) |
297 | (or type (setq type 'PRIMARY)) | |
298 | (put 'x-selections type data)) | |
299 | ||
300 | (defun x-get-selection (&optional type data-type) | |
301 | (or type (setq type 'PRIMARY)) | |
302 | (get 'x-selections type)) | |
303 | ||
1b42a753 | 304 | (defun set-w32-system-coding-system (coding-system) |
49bd2bfe | 305 | "Set the coding system used by the Windows system to CODING-SYSTEM. |
1b42a753 | 306 | This is used for things like passing font names with non-ASCII |
551ea1bd | 307 | characters in them to the system. For a list of possible values of |
086ceb30 JR |
308 | CODING-SYSTEM, use \\[list-coding-systems]. |
309 | ||
310 | This function is provided for backward compatibility, since | |
49bd2bfe | 311 | `w32-system-coding-system' is now an alias for `locale-coding-system'." |
1b42a753 | 312 | (interactive |
086ceb30 | 313 | (list (let ((default locale-coding-system)) |
1b42a753 | 314 | (read-coding-system |
5b76833f | 315 | (format "Coding system for system calls (default %s): " |
1b42a753 GV |
316 | default) |
317 | default)))) | |
318 | (check-coding-system coding-system) | |
086ceb30 JR |
319 | (setq locale-coding-system coding-system)) |
320 | ||
321 | ;; locale-coding-system was introduced to do the same thing as | |
322 | ;; w32-system-coding-system. Use that instead. | |
323 | (defvaralias 'w32-system-coding-system 'locale-coding-system) | |
1b42a753 | 324 | |
81b38822 KH |
325 | ;;; Set to a system sound if you want a fancy bell. |
326 | (set-message-beep nil) | |
327 | ||
d234707d GV |
328 | ;;; The "Windows" keys on newer keyboards bring up the Start menu |
329 | ;;; whether you want it or not - make Emacs ignore these keystrokes | |
330 | ;;; rather than beep. | |
331 | (global-set-key [lwindow] 'ignore) | |
332 | (global-set-key [rwindow] 'ignore) | |
333 | ||
d234707d GV |
334 | ;; These tell read-char how to convert |
335 | ;; these special chars to ASCII. | |
336 | (put 'tab 'ascii-character ?\t) | |
337 | (put 'linefeed 'ascii-character ?\n) | |
338 | (put 'clear 'ascii-character 12) | |
339 | (put 'return 'ascii-character 13) | |
340 | (put 'escape 'ascii-character ?\e) | |
341 | (put 'backspace 'ascii-character 127) | |
342 | (put 'delete 'ascii-character 127) | |
343 | ||
15fa6efb JR |
344 | (defun w32-add-charset-info (xlfd-charset windows-charset codepage) |
345 | "Function to add character sets to display with Windows fonts. | |
346 | Creates entries in `w32-charset-info-alist'. | |
347 | XLFD-CHARSET is a string which will appear in the XLFD font name to | |
72ab66eb | 348 | identify the character set. WINDOWS-CHARSET is a symbol identifying |
551ea1bd JB |
349 | the Windows character set this maps to. For the list of possible |
350 | values, see the documentation for `w32-charset-info-alist'. CODEPAGE | |
15fa6efb JR |
351 | can be a numeric codepage that Windows uses to display the character |
352 | set, t for Unicode output with no codepage translation or nil for 8 | |
353 | bit output with no translation." | |
354 | (add-to-list 'w32-charset-info-alist | |
72ab66eb | 355 | (cons xlfd-charset (cons windows-charset codepage)))) |
15fa6efb | 356 | |
4c7ec703 JR |
357 | ;; The last charset we add becomes the "preferred" charset for the return |
358 | ;; value from w32-select-font etc, so list the most important charsets last. | |
15fa6efb JR |
359 | (w32-add-charset-info "iso8859-14" 'w32-charset-ansi 28604) |
360 | (w32-add-charset-info "iso8859-15" 'w32-charset-ansi 28605) | |
2005121f JR |
361 | ;; The following two are included for pattern matching. |
362 | (w32-add-charset-info "jisx0201" 'w32-charset-shiftjis 932) | |
363 | (w32-add-charset-info "jisx0208" 'w32-charset-shiftjis 932) | |
15fa6efb JR |
364 | (w32-add-charset-info "jisx0201-latin" 'w32-charset-shiftjis 932) |
365 | (w32-add-charset-info "jisx0201-katakana" 'w32-charset-shiftjis 932) | |
751be31e JR |
366 | (w32-add-charset-info "ksc5601.1989" 'w32-charset-hangeul 949) |
367 | (w32-add-charset-info "big5" 'w32-charset-chinesebig5 950) | |
368 | (w32-add-charset-info "gb2312.1980" 'w32-charset-gb2312 936) | |
15fa6efb JR |
369 | (w32-add-charset-info "ms-symbol" 'w32-charset-symbol nil) |
370 | (w32-add-charset-info "ms-oem" 'w32-charset-oem 437) | |
371 | (w32-add-charset-info "ms-oemlatin" 'w32-charset-oem 850) | |
57016d37 JR |
372 | (w32-add-charset-info "iso8859-2" 'w32-charset-easteurope 28592) |
373 | (w32-add-charset-info "iso8859-3" 'w32-charset-turkish 28593) | |
374 | (w32-add-charset-info "iso8859-4" 'w32-charset-baltic 28594) | |
375 | (w32-add-charset-info "iso8859-6" 'w32-charset-arabic 28596) | |
376 | (w32-add-charset-info "iso8859-7" 'w32-charset-greek 28597) | |
377 | (w32-add-charset-info "iso8859-8" 'w32-charset-hebrew 1255) | |
378 | (w32-add-charset-info "iso8859-9" 'w32-charset-turkish 1254) | |
379 | (w32-add-charset-info "iso8859-13" 'w32-charset-baltic 1257) | |
380 | (w32-add-charset-info "koi8-r" 'w32-charset-russian 20866) | |
381 | (w32-add-charset-info "iso8859-5" 'w32-charset-russian 28595) | |
18885c11 | 382 | (w32-add-charset-info "tis620-2533" 'w32-charset-thai 874) |
57016d37 JR |
383 | (w32-add-charset-info "windows-1258" 'w32-charset-vietnamese 1258) |
384 | (w32-add-charset-info "ksc5601.1992" 'w32-charset-johab 1361) | |
7992f52c JR |
385 | (w32-add-charset-info "mac-roman" 'w32-charset-mac 10000) |
386 | (w32-add-charset-info "iso10646-1" 'w32-charset-default t) | |
57016d37 | 387 | |
2005121f JR |
388 | ;; ;; If unicode windows charset is not defined, use ansi fonts. |
389 | ;; (w32-add-charset-info "iso10646-1" 'w32-charset-ansi t)) | |
390 | ||
391 | ;; Prefered names | |
392 | (w32-add-charset-info "big5-0" 'w32-charset-chinesebig5 950) | |
393 | (w32-add-charset-info "gb2312.1980-0" 'w32-charset-gb2312 936) | |
394 | (w32-add-charset-info "jisx0208-sjis" 'w32-charset-shiftjis 932) | |
395 | (w32-add-charset-info "ksc5601.1987-0" 'w32-charset-hangeul 949) | |
396 | (w32-add-charset-info "tis620-0" 'w32-charset-thai 874) | |
4c7ec703 | 397 | (w32-add-charset-info "iso8859-1" 'w32-charset-ansi 1252) |
52f32671 | 398 | |
47092217 JR |
399 | (make-obsolete-variable 'w32-enable-italics |
400 | 'w32-enable-synthesized-fonts "21.1") | |
d4b7d6b4 | 401 | (make-obsolete-variable 'w32-charset-to-codepage-alist |
47092217 | 402 | 'w32-charset-info-alist "21.1") |
d4b7d6b4 | 403 | |
3b4cf5db AI |
404 | \f |
405 | ;;;; Selections and cut buffers | |
406 | ||
407 | ;;; We keep track of the last text selected here, so we can check the | |
408 | ;;; current selection against it, and avoid passing back our own text | |
409 | ;;; from x-cut-buffer-or-selection-value. | |
410 | (defvar x-last-selected-text nil) | |
411 | ||
412 | ;;; It is said that overlarge strings are slow to put into the cut buffer. | |
413 | ;;; Note this value is overridden below. | |
414 | (defvar x-cut-buffer-max 20000 | |
415 | "Max number of characters to put in the cut buffer.") | |
416 | ||
3b4cf5db AI |
417 | (defun x-select-text (text &optional push) |
418 | "Make TEXT the last selected text. | |
419 | If `x-select-enable-clipboard' is non-nil, copy the text to the system | |
551ea1bd | 420 | clipboard as well. Optional PUSH is ignored on Windows." |
3b4cf5db AI |
421 | (if x-select-enable-clipboard |
422 | (w32-set-clipboard-data text)) | |
423 | (setq x-last-selected-text text)) | |
bcaf1c36 | 424 | |
3b4cf5db AI |
425 | (defun x-get-selection-value () |
426 | "Return the value of the current selection. | |
427 | Consult the selection, then the cut buffer. Treat empty strings as if | |
428 | they were unset." | |
429 | (if x-select-enable-clipboard | |
430 | (let (text) | |
431 | ;; Don't die if x-get-selection signals an error. | |
432 | (condition-case c | |
433 | (setq text (w32-get-clipboard-data)) | |
434 | (error (message "w32-get-clipboard-data:%s" c))) | |
435 | (if (string= text "") (setq text nil)) | |
436 | (cond | |
437 | ((not text) nil) | |
438 | ((eq text x-last-selected-text) nil) | |
439 | ((string= text x-last-selected-text) | |
440 | ;; Record the newer string, so subsequent calls can use the 'eq' test. | |
441 | (setq x-last-selected-text text) | |
442 | nil) | |
443 | (t | |
444 | (setq x-last-selected-text text)))))) | |
445 | \f | |
446 | (defalias 'x-cut-buffer-or-selection-value 'x-get-selection-value) | |
447 | ||
448 | ;;; Arrange for the kill and yank functions to set and check the clipboard. | |
449 | (setq interprogram-cut-function 'x-select-text) | |
450 | (setq interprogram-paste-function 'x-get-selection-value) | |
451 | ||
3712a0b3 EZ |
452 | \f |
453 | ;;;; Support for build process | |
454 | (defun w32-batch-update-autoloads () | |
455 | "Like `batch-update-autoloads', but takes the name of the autoloads file | |
456 | from the command line. | |
457 | ||
458 | This is required because some Windows build environments, such as MSYS, | |
459 | munge command-line arguments that include file names to a horrible mess | |
460 | that Emacs is unable to cope with." | |
461 | (let ((generated-autoload-file | |
462 | (expand-file-name (pop command-line-args-left)))) | |
463 | (batch-update-autoloads))) | |
3b4cf5db | 464 | |
d1dcf3e7 EZ |
465 | (defun w32-append-code-lines (orig extra) |
466 | "Append non-empty non-comment lines in the file EXTRA to the file ORIG. | |
467 | ||
468 | This function saves all buffers and kills the Emacs session, without asking | |
469 | for any permissions. | |
470 | ||
471 | This is required because the Windows build environment is not required | |
472 | to include Sed, which is used by leim/Makefile.in to do the job." | |
473 | (find-file orig) | |
474 | (goto-char (point-max)) | |
475 | (insert-file-contents extra) | |
476 | (delete-matching-lines "^$\\|^;") | |
477 | (save-buffers-kill-emacs t)) | |
478 | ||
cbee283d | 479 | ;; arch-tag: c49b48cc-0f4f-454f-a274-c2dc34815e14 |
a0d14345 | 480 | ;;; w32-fns.el ends here |