1 ;;; x-win.el --- parse switches controlling interface with X window system
3 ;; Copyright (C) 1993, 1994, 2001 Free Software Foundation, Inc.
8 ;; This file is part of GNU Emacs.
10 ;; GNU Emacs is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
27 ;; X-win.el: this file is loaded from ../lisp/startup.el when it recognizes
28 ;; that X windows are to be used. Command line switches are parsed and those
29 ;; pertaining to X are processed and removed from the command line. The
30 ;; X display is opened and hooks are set for popping up the initial window.
32 ;; startup.el will then examine startup files, and eventually call the hooks
33 ;; which create the first window (s).
37 ;; These are the standard X switches from the Xt Initialize.c file of
40 ;; Command line Resource Manager string
43 ;; +synchronous *synchronous
44 ;; -background *background
47 ;; -bordercolor *borderColor
48 ;; -borderwidth .borderWidth
54 ;; -foreground *foreground
55 ;; -geometry .geometry
60 ;; -reverse *reverseVideo
62 ;; -selectionTimeout .selectionTimeout
63 ;; -synchronous *synchronous
66 ;; An alist of X options and the function which handles them. See
69 (if (not (eq window-system 'x))
70 (error "%s: Loading x-win.el but not compiled for X" (invocation-name)))
78 (if (fboundp 'new-fontset)
81 (defvar x-invocation-args)
83 (defvar x-command-line-resources nil)
85 ;; Handler for switches of the form "-switch value" or "-switch".
86 (defun x-handle-switch (switch)
87 (let ((aelt (assoc switch command-line-x-option-alist)))
89 (let ((param (nth 3 aelt))
92 (setq default-frame-alist
93 (cons (cons param value)
95 (setq default-frame-alist
97 (car x-invocation-args))
99 x-invocation-args (cdr x-invocation-args)))))))
101 ;; Handler for switches of the form "-switch n"
102 (defun x-handle-numeric-switch (switch)
103 (let ((aelt (assoc switch command-line-x-option-alist)))
105 (let ((param (nth 3 aelt)))
106 (setq default-frame-alist
108 (string-to-int (car x-invocation-args)))
111 (cdr x-invocation-args))))))
113 ;; Handle options that apply to initial frame only
114 (defun x-handle-initial-switch (switch)
115 (let ((aelt (assoc switch command-line-x-option-alist)))
117 (let ((param (nth 3 aelt))
118 (value (nth 4 aelt)))
120 (setq initial-frame-alist
121 (cons (cons param value)
122 initial-frame-alist))
123 (setq initial-frame-alist
125 (car x-invocation-args))
127 x-invocation-args (cdr x-invocation-args)))))))
129 ;; Make -iconic apply only to the initial frame!
130 (defun x-handle-iconic (switch)
131 (setq initial-frame-alist
132 (cons '(visibility . icon) initial-frame-alist)))
134 ;; Handle the -xrm option.
135 (defun x-handle-xrm-switch (switch)
136 (unless (consp x-invocation-args)
137 (error "%s: missing argument to `%s' option" (invocation-name) switch))
138 (setq x-command-line-resources
139 (if (null x-command-line-resources)
140 (car x-invocation-args)
141 (concat x-command-line-resources "\n" (car x-invocation-args))))
142 (setq x-invocation-args (cdr x-invocation-args)))
144 ;; Handle the geometry option
145 (defun x-handle-geometry (switch)
146 (let* ((geo (x-parse-geometry (car x-invocation-args)))
147 (left (assq 'left geo))
148 (top (assq 'top geo))
149 (height (assq 'height geo))
150 (width (assq 'width geo)))
151 (if (or height width)
152 (setq default-frame-alist
153 (append default-frame-alist
155 (if height (list height))
156 (if width (list width)))
158 (append initial-frame-alist
160 (if height (list height))
161 (if width (list width)))))
163 (setq initial-frame-alist
164 (append initial-frame-alist
165 '((user-position . t))
166 (if left (list left))
167 (if top (list top)))))
168 (setq x-invocation-args (cdr x-invocation-args))))
170 ;; Handle the -name option. Set the variable x-resource-name
171 ;; to the option's operand; set the name of
172 ;; the initial frame, too.
173 (defun x-handle-name-switch (switch)
174 (or (consp x-invocation-args)
175 (error "%s: missing argument to `%s' option" (invocation-name) switch))
176 (setq x-resource-name (car x-invocation-args)
177 x-invocation-args (cdr x-invocation-args))
178 (setq initial-frame-alist (cons (cons 'name x-resource-name)
179 initial-frame-alist)))
181 (defvar x-display-name nil
182 "The X display name specifying server and X frame.")
184 (defun x-handle-display (switch)
185 (setq x-display-name (car x-invocation-args)
186 x-invocation-args (cdr x-invocation-args))
187 ;; Make subshell programs see the same DISPLAY value Emacs really uses.
188 ;; Note that this isn't completely correct, since Emacs can use
189 ;; multiple displays. However, there is no way to tell an already
190 ;; running subshell which display the user is currently typing on.
191 (setenv "DISPLAY" x-display-name))
193 (defun x-handle-args (args)
194 "Process the X-related command line options in ARGS.
195 This is done before the user's startup file is loaded. They are copied to
196 `x-invocation-args', from which the X-related things are extracted, first
197 the switch (e.g., \"-fg\") in the following code, and possible values
198 \(e.g., \"black\") in the option handler code (e.g., x-handle-switch).
199 This function returns ARGS minus the arguments that have been processed."
200 ;; We use ARGS to accumulate the args that we don't handle here, to return.
201 (setq x-invocation-args args
203 (while (and x-invocation-args
204 (not (equal (car x-invocation-args) "--")))
205 (let* ((this-switch (car x-invocation-args))
206 (orig-this-switch this-switch)
207 completion argval aelt handler)
208 (setq x-invocation-args (cdr x-invocation-args))
209 ;; Check for long options with attached arguments
210 ;; and separate out the attached option argument into argval.
211 (if (string-match "^--[^=]*=" this-switch)
212 (setq argval (substring this-switch (match-end 0))
213 this-switch (substring this-switch 0 (1- (match-end 0)))))
214 ;; Complete names of long options.
215 (if (string-match "^--" this-switch)
217 (setq completion (try-completion this-switch command-line-x-option-alist))
218 (if (eq completion t)
219 ;; Exact match for long option.
221 (if (stringp completion)
222 (let ((elt (assoc completion command-line-x-option-alist)))
223 ;; Check for abbreviated long option.
225 (error "Option `%s' is ambiguous" this-switch))
226 (setq this-switch completion))))))
227 (setq aelt (assoc this-switch command-line-x-option-alist))
228 (if aelt (setq handler (nth 2 aelt)))
231 (let ((x-invocation-args
232 (cons argval x-invocation-args)))
233 (funcall handler this-switch))
234 (funcall handler this-switch))
235 (setq args (cons orig-this-switch args)))))
236 (nconc (nreverse args) x-invocation-args))
238 ;; Handle the --smid switch. This is used by the session manager
239 ;; to give us back our session id we had on the previous run.
240 (defun x-handle-smid (switch)
241 (or (consp x-invocation-args)
242 (error "%s: missing argument to `%s' option" (invocation-name) switch))
243 (setq x-session-previous-id (car x-invocation-args)
244 x-invocation-args (cdr x-invocation-args)))
246 (defvar emacs-save-session-functions nil
247 "Functions to run when a save-session event occurs.
248 The functions does not get any argument.
249 Functions can return non-nil to inform the session manager that the
250 window system shutdown should be aborted.
252 See also `emacs-session-save'.")
254 (defun emacs-session-filename (session-id)
255 "Construct a filename to save the session in based on SESSION-ID.
256 If the directory ~/.emacs.d exists, we make a filename in there, otherwise
257 a file in the home directory."
258 (let ((basename (concat "session." session-id))
259 (emacs-dir "~/.emacs.d/"))
260 (expand-file-name (if (file-directory-p emacs-dir)
261 (concat emacs-dir basename)
262 (concat "~/.emacs-" basename)))))
264 (defun emacs-session-save ()
265 "This function is called when the window system is shutting down.
266 If this function returns non-nil, the window system shutdown is cancelled.
268 When a session manager tells Emacs that the window system is shutting
269 down, this function is called. It calls the functions in the hook
270 `emacs-save-session-functions'. Functions are called with the current
271 buffer set to a temporary buffer. Functions should use `insert' to insert
272 lisp code to save the session state. The buffer is saved
273 in a file in the home directory of the user running Emacs. The file
274 is evaluated when Emacs is restarted by the session manager.
276 If any of the functions returns non-nil, no more functions are called
277 and this function returns non-nil. This will inform the session manager
278 that it should abort the window system shutdown."
279 (let ((filename (emacs-session-filename x-session-id))
280 (buf (get-buffer-create (concat " *SES " x-session-id))))
281 (when (file-exists-p filename)
282 (delete-file filename))
283 (with-current-buffer buf
284 (let ((cancel-shutdown (condition-case nil
285 ;; A return of t means cancel the shutdown.
286 (run-hook-with-args-until-success
287 'emacs-save-session-functions)
289 (unless cancel-shutdown
290 (write-file filename))
294 (defun emacs-session-restore (previous-session-id)
295 "Restore the Emacs session if started by a session manager.
296 The file saved by `emacs-session-save' is evaluated and deleted if it
298 (let ((filename (emacs-session-filename previous-session-id)))
299 (when (file-exists-p filename)
301 (delete-file filename)
302 (message "Restored session data"))))
308 ;; Standard X cursor shapes, courtesy of Mr. Fox, who wanted ALL of them.
311 (defconst x-pointer-X-cursor 0)
312 (defconst x-pointer-arrow 2)
313 (defconst x-pointer-based-arrow-down 4)
314 (defconst x-pointer-based-arrow-up 6)
315 (defconst x-pointer-boat 8)
316 (defconst x-pointer-bogosity 10)
317 (defconst x-pointer-bottom-left-corner 12)
318 (defconst x-pointer-bottom-right-corner 14)
319 (defconst x-pointer-bottom-side 16)
320 (defconst x-pointer-bottom-tee 18)
321 (defconst x-pointer-box-spiral 20)
322 (defconst x-pointer-center-ptr 22)
323 (defconst x-pointer-circle 24)
324 (defconst x-pointer-clock 26)
325 (defconst x-pointer-coffee-mug 28)
326 (defconst x-pointer-cross 30)
327 (defconst x-pointer-cross-reverse 32)
328 (defconst x-pointer-crosshair 34)
329 (defconst x-pointer-diamond-cross 36)
330 (defconst x-pointer-dot 38)
331 (defconst x-pointer-dotbox 40)
332 (defconst x-pointer-double-arrow 42)
333 (defconst x-pointer-draft-large 44)
334 (defconst x-pointer-draft-small 46)
335 (defconst x-pointer-draped-box 48)
336 (defconst x-pointer-exchange 50)
337 (defconst x-pointer-fleur 52)
338 (defconst x-pointer-gobbler 54)
339 (defconst x-pointer-gumby 56)
340 (defconst x-pointer-hand1 58)
341 (defconst x-pointer-hand2 60)
342 (defconst x-pointer-heart 62)
343 (defconst x-pointer-icon 64)
344 (defconst x-pointer-iron-cross 66)
345 (defconst x-pointer-left-ptr 68)
346 (defconst x-pointer-left-side 70)
347 (defconst x-pointer-left-tee 72)
348 (defconst x-pointer-leftbutton 74)
349 (defconst x-pointer-ll-angle 76)
350 (defconst x-pointer-lr-angle 78)
351 (defconst x-pointer-man 80)
352 (defconst x-pointer-middlebutton 82)
353 (defconst x-pointer-mouse 84)
354 (defconst x-pointer-pencil 86)
355 (defconst x-pointer-pirate 88)
356 (defconst x-pointer-plus 90)
357 (defconst x-pointer-question-arrow 92)
358 (defconst x-pointer-right-ptr 94)
359 (defconst x-pointer-right-side 96)
360 (defconst x-pointer-right-tee 98)
361 (defconst x-pointer-rightbutton 100)
362 (defconst x-pointer-rtl-logo 102)
363 (defconst x-pointer-sailboat 104)
364 (defconst x-pointer-sb-down-arrow 106)
365 (defconst x-pointer-sb-h-double-arrow 108)
366 (defconst x-pointer-sb-left-arrow 110)
367 (defconst x-pointer-sb-right-arrow 112)
368 (defconst x-pointer-sb-up-arrow 114)
369 (defconst x-pointer-sb-v-double-arrow 116)
370 (defconst x-pointer-shuttle 118)
371 (defconst x-pointer-sizing 120)
372 (defconst x-pointer-spider 122)
373 (defconst x-pointer-spraycan 124)
374 (defconst x-pointer-star 126)
375 (defconst x-pointer-target 128)
376 (defconst x-pointer-tcross 130)
377 (defconst x-pointer-top-left-arrow 132)
378 (defconst x-pointer-top-left-corner 134)
379 (defconst x-pointer-top-right-corner 136)
380 (defconst x-pointer-top-side 138)
381 (defconst x-pointer-top-tee 140)
382 (defconst x-pointer-trek 142)
383 (defconst x-pointer-ul-angle 144)
384 (defconst x-pointer-umbrella 146)
385 (defconst x-pointer-ur-angle 148)
386 (defconst x-pointer-watch 150)
387 (defconst x-pointer-xterm 152)
393 (defvar x-colors '("LightGreen"
992 "LightGoldenrodYellow"
993 "light goldenrod yellow"
1010 "medium spring green"
1145 "The list of X colors from the `rgb.txt' file.
1146 XConsortium: rgb.txt,v 10.41 94/02/20 18:39:36 rws Exp")
1148 (defun xw-defined-colors (&optional frame)
1149 "Internal function called by `defined-colors', which see."
1150 (or frame (setq frame (selected-frame)))
1151 (let ((all-colors x-colors)
1153 (defined-colors nil))
1155 (setq this-color (car all-colors)
1156 all-colors (cdr all-colors))
1157 (and (color-supported-p this-color frame t)
1158 (setq defined-colors (cons this-color defined-colors))))
1163 (defun iconify-or-deiconify-frame ()
1164 "Iconify the selected frame, or deiconify if it's currently an icon."
1166 (if (eq (cdr (assq 'visibility (frame-parameters))) t)
1168 (make-frame-visible)))
1170 (substitute-key-definition 'suspend-emacs 'iconify-or-deiconify-frame
1173 ;; Map certain keypad keys into ASCII characters
1174 ;; that people usually expect.
1175 (define-key function-key-map [backspace] [127])
1176 (define-key function-key-map [delete] [127])
1177 (define-key function-key-map [tab] [?\t])
1178 (define-key function-key-map [linefeed] [?\n])
1179 (define-key function-key-map [clear] [?\C-l])
1180 (define-key function-key-map [return] [?\C-m])
1181 (define-key function-key-map [escape] [?\e])
1182 (define-key function-key-map [M-backspace] [?\M-\d])
1183 (define-key function-key-map [M-delete] [?\M-\d])
1184 (define-key function-key-map [M-tab] [?\M-\t])
1185 (define-key function-key-map [M-linefeed] [?\M-\n])
1186 (define-key function-key-map [M-clear] [?\M-\C-l])
1187 (define-key function-key-map [M-return] [?\M-\C-m])
1188 (define-key function-key-map [M-escape] [?\M-\e])
1189 (define-key function-key-map [iso-lefttab] [backtab])
1191 ;; These tell read-char how to convert
1192 ;; these special chars to ASCII.
1193 (put 'backspace 'ascii-character 127)
1194 (put 'delete 'ascii-character 127)
1195 (put 'tab 'ascii-character ?\t)
1196 (put 'linefeed 'ascii-character ?\n)
1197 (put 'clear 'ascii-character 12)
1198 (put 'return 'ascii-character 13)
1199 (put 'escape 'ascii-character ?\e)
1201 (defun vendor-specific-keysyms (vendor)
1202 "Return the appropriate value of system-key-alist for VENDOR.
1203 VENDOR is a string containing the name of the X Server's vendor,
1204 as returned by (x-server-vendor)."
1205 (cond ((string-equal vendor "Apollo Computer Inc.")
1227 ((or (string-equal vendor "Hewlett-Packard Incorporated")
1228 (string-equal vendor "Hewlett-Packard Company"))
1229 '(( 168 . mute-acute)
1231 ( 170 . mute-asciicircum)
1232 ( 171 . mute-diaeresis)
1233 ( 172 . mute-asciitilde)
1242 (65392 . insertline)
1243 (65393 . deleteline)
1244 (65394 . insertchar)
1245 (65395 . deletechar)
1247 (65397 . kp-backtab)))
1248 ((or (string-equal vendor "X11/NeWS - Sun Microsystems Inc.")
1249 (string-equal vendor "X Consortium"))
1253 ;; These are for Sun under X11R6
1261 ;; This is used by DEC's X server.
1262 '((65280 . remove)))))
1265 ;;;; Selections and cut buffers
1267 ;;; We keep track of the last text selected here, so we can check the
1268 ;;; current selection against it, and avoid passing back our own text
1269 ;;; from x-cut-buffer-or-selection-value.
1270 (defvar x-last-selected-text nil)
1272 ;;; It is said that overlarge strings are slow to put into the cut buffer.
1273 ;;; Note this value is overridden below.
1274 (defvar x-cut-buffer-max 20000
1275 "Max number of characters to put in the cut buffer.")
1277 (defcustom x-select-enable-clipboard nil
1278 "Non-nil means cutting and pasting uses the clipboard.
1279 This is in addition to, but in preference to, the primary selection."
1283 ;;; Make TEXT, a string, the primary X selection.
1284 ;;; Also, set the value of X cut buffer 0, for backward compatibility
1285 ;;; with older X applications.
1286 ;;; gildea@stop.mail-abuse.org says it's not desirable to put kills
1287 ;;; in the clipboard.
1288 (defun x-select-text (text &optional push)
1289 ;; Don't send the cut buffer too much text.
1290 ;; It becomes slow, and if really big it causes errors.
1291 (if (< (length text) x-cut-buffer-max)
1292 (x-set-cut-buffer text push)
1293 (x-set-cut-buffer "" push))
1294 (x-set-selection 'PRIMARY text)
1295 (if x-select-enable-clipboard
1296 (x-set-selection 'CLIPBOARD text))
1297 (setq x-last-selected-text text))
1299 ;;; Return the value of the current X selection.
1300 ;;; Consult the selection, then the cut buffer. Treat empty strings
1301 ;;; as if they were unset.
1302 ;;; If this function is called twice and finds the same text,
1303 ;;; it returns nil the second time. This is so that a single
1304 ;;; selection won't be added to the kill ring over and over.
1305 (defun x-cut-buffer-or-selection-value ()
1307 (when x-select-enable-clipboard
1310 (setq text (x-get-selection 'CLIPBOARD 'COMPOUND_TEXT))
1314 (setq text (x-get-selection 'CLIPBOARD 'STRING))
1316 (if (string= text "") (setq text nil)))
1318 ;; Don't die if x-get-selection signals an error.
1321 (setq text (x-get-selection 'PRIMARY 'COMPOUND_TEXT))
1325 (setq text (x-get-selection 'PRIMARY 'STRING))
1327 (if (string= text "") (setq text nil))
1329 (or text (setq text (x-get-cut-buffer 0)))
1330 (if (string= text "") (setq text nil))
1334 ((eq text x-last-selected-text) nil)
1335 ((string= text x-last-selected-text)
1336 ;; Record the newer string, so subsequent calls can use the `eq' test.
1337 (setq x-last-selected-text text)
1340 (setq x-last-selected-text text)))))
1343 ;;; Do the actual X Windows setup here; the above code just defines
1344 ;;; functions and variables that we use now.
1346 (setq command-line-args (x-handle-args command-line-args))
1348 ;;; Make sure we have a valid resource name.
1349 (or (stringp x-resource-name)
1351 (setq x-resource-name (invocation-name))
1353 ;; Change any . or * characters in x-resource-name to hyphens,
1354 ;; so as not to choke when we use it in X resource queries.
1355 (while (setq i (string-match "[.*]" x-resource-name))
1356 (aset x-resource-name i ?-))))
1358 ;; For the benefit of older Emacses (19.27 and earlier) that are sharing
1359 ;; the same lisp directory, don't pass the third argument unless we seem
1360 ;; to have the multi-display support.
1361 (if (fboundp 'x-close-connection)
1362 (x-open-connection (or x-display-name
1363 (setq x-display-name (getenv "DISPLAY")))
1364 x-command-line-resources
1365 ;; Exit Emacs with fatal error if this fails.
1367 (x-open-connection (or x-display-name
1368 (setq x-display-name (getenv "DISPLAY")))
1369 x-command-line-resources))
1371 (setq frame-creation-function 'x-create-frame-with-faces)
1373 (setq x-cut-buffer-max (min (- (/ (x-server-max-request-size) 2) 100)
1376 (if (fboundp 'new-fontset)
1378 ;; Create the standard fontset.
1379 (create-fontset-from-fontset-spec standard-fontset-spec t)
1381 ;; Create fontset specified in X resources "Fontset-N" (N is 0, 1, ...).
1382 (create-fontset-from-x-resource)
1384 ;; Try to create a fontset from a font specification which comes
1385 ;; from initial-frame-alist, default-frame-alist, or X resource.
1386 ;; A font specification in command line argument (i.e. -fn XXXX)
1387 ;; should be already in default-frame-alist as a `font'
1388 ;; parameter. However, any font specifications in site-start
1389 ;; library, user's init file (.emacs), and default.el are not
1390 ;; yet handled here.
1392 (let ((font (or (cdr (assq 'font initial-frame-alist))
1393 (cdr (assq 'font default-frame-alist))
1394 (x-get-resource "font" "Font")))
1395 xlfd-fields resolved-name)
1397 (not (query-fontset font))
1398 (setq resolved-name (x-resolve-font-name font))
1399 (setq xlfd-fields (x-decompose-font-name font)))
1400 (if (string= "fontset"
1401 (aref xlfd-fields xlfd-regexp-registry-subnum))
1402 (new-fontset font (x-complement-fontset-spec xlfd-fields nil))
1403 ;; Create a fontset from FONT. The fontset name is
1404 ;; generated from FONT.
1405 (create-fontset-from-ascii-font font
1406 resolved-name "startup"))))))
1408 ;; Sun expects the menu bar cut and paste commands to use the clipboard.
1409 ;; This has ,? to match both on Sunos and on Solaris.
1410 (if (string-match "Sun Microsystems,? Inc\\."
1412 (menu-bar-enable-clipboard))
1414 ;; Apply a geometry resource to the initial frame. Put it at the end
1415 ;; of the alist, so that anything specified on the command line takes
1417 (let* ((res-geometry (x-get-resource "geometry" "Geometry"))
1421 (setq parsed (x-parse-geometry res-geometry))
1422 ;; If the resource specifies a position,
1423 ;; call the position and size "user-specified".
1424 (if (or (assq 'top parsed) (assq 'left parsed))
1425 (setq parsed (cons '(user-position . t)
1426 (cons '(user-size . t) parsed))))
1427 ;; All geometry parms apply to the initial frame.
1428 (setq initial-frame-alist (append initial-frame-alist parsed))
1429 ;; The size parms apply to all frames.
1430 (if (assq 'height parsed)
1431 (setq default-frame-alist
1432 (cons (cons 'height (cdr (assq 'height parsed)))
1433 default-frame-alist)))
1434 (if (assq 'width parsed)
1435 (setq default-frame-alist
1436 (cons (cons 'width (cdr (assq 'width parsed)))
1437 default-frame-alist))))))
1439 ;; Check the reverseVideo resource.
1440 (let ((case-fold-search t))
1441 (let ((rv (x-get-resource "reverseVideo" "ReverseVideo")))
1443 (string-match "^\\(true\\|yes\\|on\\)$" rv))
1444 (setq default-frame-alist
1445 (cons '(reverse . t) default-frame-alist)))))
1447 ;; Set x-selection-timeout, measured in milliseconds.
1448 (let ((res-selection-timeout
1449 (x-get-resource "selectionTimeout" "SelectionTimeout")))
1450 (setq x-selection-timeout 20000)
1451 (if res-selection-timeout
1452 (setq x-selection-timeout (string-to-number res-selection-timeout))))
1454 (defun x-win-suspend-error ()
1455 (error "Suspending an emacs running under X makes no sense"))
1456 (add-hook 'suspend-hook 'x-win-suspend-error)
1458 ;;; Arrange for the kill and yank functions to set and check the clipboard.
1459 (setq interprogram-cut-function 'x-select-text)
1460 (setq interprogram-paste-function 'x-cut-buffer-or-selection-value)
1462 ;;; Turn off window-splitting optimization; X is usually fast enough
1463 ;;; that this is only annoying.
1464 (setq split-window-keep-point t)
1466 ;; Don't show the frame name; that's redundant with X.
1467 (setq-default mode-line-frame-identification " ")
1469 ;;; Motif direct handling of f10 wasn't working right,
1470 ;;; So temporarily we've turned it off in lwlib-Xm.c
1471 ;;; and turned the Emacs f10 back on.
1472 ;;; ;; Motif normally handles f10 itself, so don't try to handle it a second time.
1473 ;;; (if (featurep 'motif)
1474 ;;; (global-set-key [f10] 'ignore))
1476 ;;; x-win.el ends here