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c88ab9ce ER |
1 | ;;; startup.el --- process Emacs shell arguments |
2 | ||
a3194d03 SM |
3 | ;; Copyright (C) 1985, 1986, 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2000, |
4 | ;; 2001, 2002, 2004, 2005 Free Software Foundation, Inc. | |
eea8d4ef | 5 | |
630cc463 | 6 | ;; Maintainer: FSF |
d7b4d18f | 7 | ;; Keywords: internal |
630cc463 | 8 | |
a726e0d1 JB |
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 | |
4746118a | 13 | ;; the Free Software Foundation; either version 2, or (at your option) |
a726e0d1 JB |
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 | |
b578f267 EN |
22 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
23 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
24 | ;; Boston, MA 02111-1307, USA. | |
a726e0d1 | 25 | |
630cc463 | 26 | ;;; Commentary: |
a726e0d1 | 27 | |
32e51983 EZ |
28 | ;; This file parses the command line and gets Emacs running. Options |
29 | ;; on the command line are handled in precedence order. For priorities | |
30 | ;; see the structure standard_args in the emacs.c file. | |
a726e0d1 | 31 | |
630cc463 ER |
32 | ;;; Code: |
33 | ||
a726e0d1 JB |
34 | (setq top-level '(normal-top-level)) |
35 | ||
42a3e6fa | 36 | (defvar command-line-processed nil |
2879a13b | 37 | "Non-nil once command line has been processed.") |
a726e0d1 | 38 | |
42a3e6fa RS |
39 | (defgroup initialization nil |
40 | "Emacs start-up procedure" | |
41 | :group 'internal) | |
42 | ||
43 | (defcustom inhibit-startup-message nil | |
1d7da582 | 44 | "*Non-nil inhibits the initial startup message. |
a726e0d1 | 45 | This is for use in your personal init file, once you are familiar |
42a3e6fa RS |
46 | with the contents of the startup message." |
47 | :type 'boolean | |
48 | :group 'initialization) | |
a726e0d1 | 49 | |
1b207153 CW |
50 | (defvaralias 'inhibit-splash-screen 'inhibit-startup-message) |
51 | ||
42a3e6fa | 52 | (defcustom inhibit-startup-echo-area-message nil |
1d7da582 | 53 | "*Non-nil inhibits the initial startup echo area message. |
42a3e6fa RS |
54 | Setting this variable takes effect |
55 | only if you do it with the customization buffer | |
94487c4e | 56 | or if your `.emacs' file contains a line of this form: |
54a003f7 | 57 | (setq inhibit-startup-echo-area-message \"YOUR-USER-NAME\") |
e5575c06 RS |
58 | If your `.emacs' file is byte-compiled, use the following form instead: |
59 | (eval '(setq inhibit-startup-echo-area-message \"YOUR-USER-NAME\")) | |
1d7da582 | 60 | Thus, someone else using a copy of your `.emacs' file will see |
42a3e6fa RS |
61 | the startup message unless he personally acts to inhibit it." |
62 | :type '(choice (const :tag "Don't inhibit") | |
63 | (string :tag "Enter your user name, to inhibit")) | |
64 | :group 'initialization) | |
1d7da582 | 65 | |
42a3e6fa RS |
66 | (defcustom inhibit-default-init nil |
67 | "*Non-nil inhibits loading the `default' library." | |
68 | :type 'boolean | |
69 | :group 'initialization) | |
a726e0d1 | 70 | |
802a980a GM |
71 | (defcustom inhibit-startup-buffer-menu nil |
72 | "*Non-nil inhibits display of buffer list when more than 2 files are loaded." | |
73 | :type 'boolean | |
74 | :group 'initialization) | |
75 | ||
d7fa5aa2 | 76 | (defvar command-switch-alist nil |
a726e0d1 JB |
77 | "Alist of command-line switches. |
78 | Elements look like (SWITCH-STRING . HANDLER-FUNCTION). | |
5bb54c61 RS |
79 | HANDLER-FUNCTION receives the switch string as its sole argument; |
80 | the remaining command-line args are in the variable `command-line-args-left'.") | |
a726e0d1 | 81 | |
860befc8 RS |
82 | (defvar command-line-args-left nil |
83 | "List of command-line args not yet processed.") | |
84 | ||
a726e0d1 JB |
85 | (defvar command-line-functions nil ;; lrs 7/31/89 |
86 | "List of functions to process unrecognized command-line arguments. | |
87 | Each function should access the dynamically bound variables | |
b4484ea8 | 88 | `argi' (the current argument) and `command-line-args-left' (the remaining |
a726e0d1 | 89 | arguments). The function should return non-nil only if it recognizes and |
b4484ea8 RS |
90 | processes `argi'. If it does so, it may consume successive arguments by |
91 | altering `command-line-args-left' to remove them.") | |
a726e0d1 | 92 | |
09a1077c RS |
93 | (defvar command-line-default-directory nil |
94 | "Default directory to use for command line arguments. | |
95 | This is normally copied from `default-directory' when Emacs starts.") | |
96 | ||
b3afdeb8 RS |
97 | ;;; This is here, rather than in x-win.el, so that we can ignore these |
98 | ;;; options when we are not using X. | |
46cfd295 | 99 | (defconst command-line-x-option-alist |
b3afdeb8 RS |
100 | '(("-bw" 1 x-handle-numeric-switch border-width) |
101 | ("-d" 1 x-handle-display) | |
102 | ("-display" 1 x-handle-display) | |
5676ab57 | 103 | ("-name" 1 x-handle-name-switch) |
2c3fef40 RS |
104 | ("-title" 1 x-handle-switch title) |
105 | ("-T" 1 x-handle-switch title) | |
b3afdeb8 RS |
106 | ("-r" 0 x-handle-switch reverse t) |
107 | ("-rv" 0 x-handle-switch reverse t) | |
108 | ("-reverse" 0 x-handle-switch reverse t) | |
109 | ("-reverse-video" 0 x-handle-switch reverse t) | |
110 | ("-fn" 1 x-handle-switch font) | |
111 | ("-font" 1 x-handle-switch font) | |
188b6a5e EZ |
112 | ("-fs" 0 x-handle-initial-switch fullscreen fullboth) |
113 | ("-fw" 0 x-handle-initial-switch fullscreen fullwidth) | |
114 | ("-fh" 0 x-handle-initial-switch fullscreen fullheight) | |
b3afdeb8 | 115 | ("-ib" 1 x-handle-numeric-switch internal-border-width) |
1f7f78f1 | 116 | ("-g" 1 x-handle-geometry) |
9ff6bda1 | 117 | ("-lsp" 1 x-handle-numeric-switch line-spacing) |
1f7f78f1 | 118 | ("-geometry" 1 x-handle-geometry) |
b3afdeb8 RS |
119 | ("-fg" 1 x-handle-switch foreground-color) |
120 | ("-foreground" 1 x-handle-switch foreground-color) | |
121 | ("-bg" 1 x-handle-switch background-color) | |
122 | ("-background" 1 x-handle-switch background-color) | |
123 | ("-ms" 1 x-handle-switch mouse-color) | |
124 | ("-itype" 0 x-handle-switch icon-type t) | |
125 | ("-i" 0 x-handle-switch icon-type t) | |
126 | ("-iconic" 0 x-handle-iconic) | |
127 | ("-xrm" 1 x-handle-xrm-switch) | |
128 | ("-cr" 1 x-handle-switch cursor-color) | |
129 | ("-vb" 0 x-handle-switch vertical-scroll-bars t) | |
130 | ("-hb" 0 x-handle-switch horizontal-scroll-bars t) | |
131 | ("-bd" 1 x-handle-switch) | |
132 | ("--border-width" 1 x-handle-numeric-switch border-width) | |
133 | ("--display" 1 x-handle-display) | |
5676ab57 | 134 | ("--name" 1 x-handle-name-switch) |
7775acb8 | 135 | ("--title" 1 x-handle-switch title) |
b3afdeb8 RS |
136 | ("--reverse-video" 0 x-handle-switch reverse t) |
137 | ("--font" 1 x-handle-switch font) | |
188b6a5e EZ |
138 | ("--fullscreen" 0 x-handle-initial-switch fullscreen fullboth) |
139 | ("--fullwidth" 0 x-handle-initial-switch fullscreen fullwidth) | |
140 | ("--fullheight" 0 x-handle-initial-switch fullscreen fullheight) | |
b3afdeb8 | 141 | ("--internal-border" 1 x-handle-numeric-switch internal-border-width) |
1f7f78f1 | 142 | ("--geometry" 1 x-handle-geometry) |
b3afdeb8 RS |
143 | ("--foreground-color" 1 x-handle-switch foreground-color) |
144 | ("--background-color" 1 x-handle-switch background-color) | |
145 | ("--mouse-color" 1 x-handle-switch mouse-color) | |
146 | ("--icon-type" 0 x-handle-switch icon-type t) | |
147 | ("--iconic" 0 x-handle-iconic) | |
148 | ("--xrm" 1 x-handle-xrm-switch) | |
149 | ("--cursor-color" 1 x-handle-switch cursor-color) | |
150 | ("--vertical-scroll-bars" 0 x-handle-switch vertical-scroll-bars t) | |
9ff6bda1 | 151 | ("--line-spacing" 1 x-handle-numeric-switch line-spacing) |
7f944e8e | 152 | ("--border-color" 1 x-handle-switch border-color) |
ca57f55d | 153 | ("--smid" 1 x-handle-smid)) |
b3afdeb8 RS |
154 | "Alist of X Windows options. |
155 | Each element has the form | |
156 | (NAME NUMARGS HANDLER FRAME-PARAM VALUE) | |
157 | where NAME is the option name string, NUMARGS is the number of arguments | |
158 | that the option accepts, HANDLER is a function to call to handle the option. | |
159 | FRAME-PARAM (optional) is the frame parameter this option specifies, | |
160 | and VALUE is the value which is given to that frame parameter | |
161 | \(most options use the argument for this, so VALUE is not present).") | |
162 | ||
e3bd99f5 | 163 | (defvar before-init-hook nil |
db3f571a | 164 | "Normal hook run after handling urgent options but before loading init files.") |
3fc958a4 | 165 | |
e3bd99f5 | 166 | (defvar after-init-hook nil |
db3f571a KH |
167 | "Normal hook run after loading the init files, `~/.emacs' and `default.el'. |
168 | There is no `condition-case' around the running of these functions; | |
169 | therefore, if you set `debug-on-error' non-nil in `.emacs', | |
170 | an error in one of these functions will invoke the debugger.") | |
171 | ||
172 | (defvar emacs-startup-hook nil | |
173 | "Normal hook run after loading init files and handling the command line.") | |
e3bd99f5 | 174 | |
a726e0d1 | 175 | (defvar term-setup-hook nil |
db3f571a KH |
176 | "Normal hook run after loading terminal-specific Lisp code. |
177 | It also follows `emacs-startup-hook'. This hook exists for users to set, | |
a726e0d1 JB |
178 | so as to override the definitions made by the terminal-specific file. |
179 | Emacs never sets this variable itself.") | |
180 | ||
deebb0e9 RS |
181 | (defvar inhibit-startup-hooks nil |
182 | "Non-nil means don't run `term-setup-hook' and `emacs-startup-hook'. | |
183 | This is because we already did so.") | |
184 | ||
a726e0d1 | 185 | (defvar keyboard-type nil |
b4484ea8 RS |
186 | "The brand of keyboard you are using. |
187 | This variable is used to define | |
a726e0d1 | 188 | the proper function and keypad keys for use under X. It is used in a |
94487c4e | 189 | fashion analogous to the environment variable TERM.") |
a726e0d1 JB |
190 | |
191 | (defvar window-setup-hook nil | |
b4484ea8 RS |
192 | "Normal hook run to initialize window system display. |
193 | Emacs runs this hook after processing the command line arguments and loading | |
194 | the user's init file.") | |
a726e0d1 | 195 | |
42a3e6fa RS |
196 | (defcustom initial-major-mode 'lisp-interaction-mode |
197 | "Major mode command symbol to use for the initial *scratch* buffer." | |
ce2f921e | 198 | :type 'function |
42a3e6fa | 199 | :group 'initialization) |
a726e0d1 | 200 | |
42a3e6fa | 201 | (defcustom init-file-user nil |
a726e0d1 | 202 | "Identity of user whose `.emacs' file is or was read. |
d7fa5aa2 RS |
203 | The value is nil if `-q' or `--no-init-file' was specified, |
204 | meaning do not load any init file. | |
205 | ||
206 | Otherwise, the value may be the null string, meaning use the init file | |
207 | for the user that originally logged in, or it may be a | |
208 | string containing a user's name meaning use that person's init file. | |
a726e0d1 | 209 | |
2bdfaa42 KH |
210 | In either of the latter cases, `(concat \"~\" init-file-user \"/\")' |
211 | evaluates to the name of the directory where the `.emacs' file was | |
13fce4e6 RS |
212 | looked for. |
213 | ||
214 | Setting `init-file-user' does not prevent Emacs from loading | |
42a3e6fa RS |
215 | `site-start.el'. The only way to do that is to use `--no-site-file'." |
216 | :type '(choice (const :tag "none" nil) string) | |
217 | :group 'initialization) | |
a726e0d1 | 218 | |
42a3e6fa | 219 | (defcustom site-run-file "site-start" |
b7444d31 RS |
220 | "File containing site-wide run-time initializations. |
221 | This file is loaded at run-time before `~/.emacs'. It contains inits | |
222 | that need to be in place for the entire site, but which, due to their | |
fcaf7de9 | 223 | higher incidence of change, don't make sense to load into Emacs's |
b7444d31 | 224 | dumped image. Thus, the run-time load order is: 1. file described in |
13fce4e6 RS |
225 | this variable, if non-nil; 2. `~/.emacs'; 3. `default.el'. |
226 | ||
227 | Don't use the `site-start.el' file for things some users may not like. | |
228 | Put them in `default.el' instead, so that users can more easily | |
229 | override them. Users can prevent loading `default.el' with the `-q' | |
230 | option or by setting `inhibit-default-init' in their own init files, | |
231 | but inhibiting `site-start.el' requires `--no-site-file', which | |
842a1eac RS |
232 | is less convenient. |
233 | ||
234 | This variable is defined for customization so as to make | |
235 | it visible in the relevant context. However, actually customizing it | |
236 | is not allowed, since it would not work anyway. The only way to set | |
237 | this variable usefully is to set it during while building and dumping Emacs." | |
93812130 | 238 | :type '(choice (const :tag "none" nil) string) |
842a1eac RS |
239 | :group 'initialization |
240 | :initialize 'custom-initialize-default | |
241 | :set '(lambda (variable value) | |
242 | (error "Customizing `site-run-file' does not work"))) | |
b7444d31 | 243 | |
42a3e6fa RS |
244 | (defcustom mail-host-address nil |
245 | "*Name of this machine, for purposes of naming users." | |
246 | :type '(choice (const nil) string) | |
247 | :group 'mail) | |
c13fbb62 | 248 | |
680ebfa6 RS |
249 | (defcustom user-mail-address (if command-line-processed |
250 | (concat (user-login-name) "@" | |
251 | (or mail-host-address | |
252 | (system-name))) | |
253 | ;; Empty string means "not set yet". | |
254 | "") | |
452e9090 RS |
255 | "*Full mailing address of this user. |
256 | This is initialized based on `mail-host-address', | |
42a3e6fa RS |
257 | after your init file is read, in case it sets `mail-host-address'." |
258 | :type 'string | |
259 | :group 'mail) | |
c10d1f06 | 260 | |
42a3e6fa | 261 | (defcustom auto-save-list-file-prefix |
73f13e5a GM |
262 | (cond ((eq system-type 'ms-dos) |
263 | ;; MS-DOS cannot have initial dot, and allows only 8.3 names | |
4b33deaa | 264 | "~/_emacs.d/auto-save.list/_s") |
73f13e5a GM |
265 | (t |
266 | "~/.emacs.d/auto-save-list/.saves-")) | |
cdee38c3 KH |
267 | "Prefix for generating `auto-save-list-file-name'. |
268 | This is used after reading your `.emacs' file to initialize | |
269 | `auto-save-list-file-name', by appending Emacs's pid and the system name, | |
270 | if you have not already set `auto-save-list-file-name' yourself. | |
73f13e5a | 271 | Directories in the prefix will be created if necessary. |
cdee38c3 | 272 | Set this to nil if you want to prevent `auto-save-list-file-name' |
42a3e6fa | 273 | from being initialized." |
3671f444 KH |
274 | :type '(choice (const :tag "Don't record a session's auto save list" nil) |
275 | string) | |
42a3e6fa | 276 | :group 'auto-save) |
2e05d063 | 277 | |
e2c60824 KS |
278 | (defvar emacs-quick-startup nil) |
279 | ||
a726e0d1 JB |
280 | (defvar init-file-debug nil) |
281 | ||
52320897 RS |
282 | (defvar init-file-had-error nil) |
283 | ||
95eada65 RS |
284 | (defvar normal-top-level-add-subdirs-inode-list nil) |
285 | ||
178b4542 JL |
286 | (defvar no-blinking-cursor nil) |
287 | ||
b693e375 RS |
288 | (defvar pure-space-overflow nil |
289 | "Non-nil if building Emacs overflowed pure space.") | |
290 | ||
859e15c1 | 291 | (defun normal-top-level-add-subdirs-to-load-path () |
0412d833 RS |
292 | "Add all subdirectories of current directory to `load-path'. |
293 | More precisely, this uses only the subdirectories whose names | |
f734a13e DL |
294 | start with letters or digits; it excludes any subdirectory named `RCS' |
295 | or `CVS', and any subdirectory that contains a file named `.nosearch'." | |
f1180544 | 296 | (let (dirs |
95eada65 | 297 | attrs |
859e15c1 KH |
298 | (pending (list default-directory))) |
299 | ;; This loop does a breadth-first tree walk on DIR's subtree, | |
300 | ;; putting each subdir into DIRS as its contents are examined. | |
301 | (while pending | |
4e0a3971 | 302 | (push (pop pending) dirs) |
722a451d EZ |
303 | (let* ((this-dir (car dirs)) |
304 | (contents (directory-files this-dir)) | |
305 | (default-directory this-dir) | |
fcaf7de9 SM |
306 | (canonicalized (if (fboundp 'untranslated-canonical-name) |
307 | (untranslated-canonical-name this-dir)))) | |
722a451d EZ |
308 | ;; The Windows version doesn't report meaningful inode |
309 | ;; numbers, so use the canonicalized absolute file name of the | |
310 | ;; directory instead. | |
311 | (setq attrs (or canonicalized | |
312 | (nthcdr 10 (file-attributes this-dir)))) | |
95eada65 | 313 | (unless (member attrs normal-top-level-add-subdirs-inode-list) |
4e0a3971 SM |
314 | (push attrs normal-top-level-add-subdirs-inode-list) |
315 | (dolist (file contents) | |
c4a40544 | 316 | ;; The lower-case variants of RCS and CVS are for DOS/Windows. |
4e0a3971 SM |
317 | (unless (member file '("." ".." "RCS" "CVS" "rcs" "cvs")) |
318 | (when (and (string-match "\\`[[:alnum:]]" file) | |
9d1fb179 RS |
319 | ;; Avoid doing a `stat' when it isn't necessary |
320 | ;; because that can cause trouble when an NFS server | |
321 | ;; is down. | |
4e0a3971 SM |
322 | (not (string-match "\\.elc?\\'" file)) |
323 | (file-directory-p file)) | |
324 | (let ((expanded (expand-file-name file))) | |
95eada65 RS |
325 | (unless (file-exists-p (expand-file-name ".nosearch" |
326 | expanded)) | |
4e0a3971 | 327 | (setq pending (nconc pending (list expanded))))))))))) |
bb15e81a | 328 | (normal-top-level-add-to-load-path (cdr (nreverse dirs))))) |
859e15c1 | 329 | |
537b6e4e RS |
330 | ;; This function is called from a subdirs.el file. |
331 | ;; It assumes that default-directory is the directory | |
332 | ;; in which the subdirs.el file exists, | |
333 | ;; and it adds to load-path the subdirs of that directory | |
334 | ;; as specified in DIRS. Normally the elements of DIRS are relative. | |
e87a7309 | 335 | (defun normal-top-level-add-to-load-path (dirs) |
cd1c10f6 RS |
336 | (let ((tail load-path) |
337 | (thisdir (directory-file-name default-directory))) | |
338 | (while (and tail | |
138e541f GM |
339 | ;;Don't go all the way to the nil terminator. |
340 | (cdr tail) | |
cd1c10f6 RS |
341 | (not (equal thisdir (car tail))) |
342 | (not (and (memq system-type '(ms-dos windows-nt)) | |
343 | (equal (downcase thisdir) (downcase (car tail)))))) | |
344 | (setq tail (cdr tail))) | |
138e541f GM |
345 | ;;Splice the new section in. |
346 | (when tail | |
347 | (setcdr tail (append (mapcar 'expand-file-name dirs) (cdr tail)))))) | |
e87a7309 | 348 | |
a726e0d1 JB |
349 | (defun normal-top-level () |
350 | (if command-line-processed | |
351 | (message "Back to top level.") | |
352 | (setq command-line-processed t) | |
8d4c2221 RS |
353 | ;; Give *Messages* the same default-directory as *scratch*, |
354 | ;; just to keep things predictable. | |
355 | (let ((dir default-directory)) | |
fcaf7de9 | 356 | (with-current-buffer "*Messages*" |
8d4c2221 | 357 | (setq default-directory dir))) |
9715399e MR |
358 | ;; `user-full-name' is now known; reset its standard-value here. |
359 | (put 'user-full-name 'standard-value | |
360 | (list (default-value 'user-full-name))) | |
80d71556 KH |
361 | ;; For root, preserve owner and group when editing files. |
362 | (if (equal (user-uid) 0) | |
363 | (setq backup-by-copying-when-mismatch t)) | |
e87a7309 RS |
364 | ;; Look in each dir in load-path for a subdirs.el file. |
365 | ;; If we find one, load it, which will add the appropriate subdirs | |
366 | ;; of that dir into load-path, | |
357438eb KH |
367 | ;; Look for a leim-list.el file too. Loading it will register |
368 | ;; available input methods. | |
fcaf7de9 SM |
369 | (dolist (dir load-path) |
370 | (let ((default-directory dir)) | |
371 | (load (expand-file-name "subdirs.el") t t t)) | |
372 | (let ((default-directory dir)) | |
373 | (load (expand-file-name "leim-list.el") t t t))) | |
374 | (unless (eq system-type 'vax-vms) | |
375 | ;; If the PWD environment variable isn't accurate, delete it. | |
376 | (let ((pwd (getenv "PWD"))) | |
377 | (and (stringp pwd) | |
378 | ;; Use FOO/., so that if FOO is a symlink, file-attributes | |
379 | ;; describes the directory linked to, not FOO itself. | |
380 | (or (equal (file-attributes | |
381 | (concat (file-name-as-directory pwd) ".")) | |
382 | (file-attributes | |
383 | (concat (file-name-as-directory default-directory) | |
384 | "."))) | |
385 | (setq process-environment | |
386 | (delete (concat "PWD=" pwd) | |
387 | process-environment)))))) | |
492878e4 | 388 | (setq default-directory (abbreviate-file-name default-directory)) |
6f2c86fa KH |
389 | (let ((menubar-bindings-done nil)) |
390 | (unwind-protect | |
391 | (command-line) | |
392 | ;; Do this again, in case .emacs defined more abbreviations. | |
393 | (setq default-directory (abbreviate-file-name default-directory)) | |
b3c7c12c RS |
394 | ;; Specify the file for recording all the auto save files of this session. |
395 | ;; This is used by recover-session. | |
cdee38c3 KH |
396 | (or auto-save-list-file-name |
397 | (and auto-save-list-file-prefix | |
398 | (setq auto-save-list-file-name | |
1f7f78f1 RS |
399 | ;; Under MS-DOS our PID is almost always reused between |
400 | ;; Emacs invocations. We need something more unique. | |
4b33deaa EZ |
401 | (cond ((eq system-type 'ms-dos) |
402 | ;; We are going to access the auto-save | |
403 | ;; directory, so make sure it exists. | |
404 | (make-directory | |
405 | (file-name-directory auto-save-list-file-prefix) | |
406 | t) | |
f1180544 | 407 | (concat |
4b33deaa EZ |
408 | (make-temp-name |
409 | (expand-file-name | |
410 | auto-save-list-file-prefix)) | |
411 | "~")) | |
412 | (t | |
413 | (expand-file-name | |
414 | (format "%s%d-%s~" | |
415 | auto-save-list-file-prefix | |
416 | (emacs-pid) | |
417 | (system-name)))))))) | |
deebb0e9 RS |
418 | (unless inhibit-startup-hooks |
419 | (run-hooks 'emacs-startup-hook) | |
420 | (and term-setup-hook | |
421 | (run-hooks 'term-setup-hook))) | |
6a1e7d67 GM |
422 | |
423 | ;; Don't do this if we failed to create the initial frame, | |
424 | ;; for instance due to a dense colormap. | |
538ef02a GM |
425 | (when (or frame-initial-frame |
426 | ;; If frame-initial-frame has no meaning, do this anyway. | |
427 | (not (and window-system | |
428 | (not noninteractive) | |
429 | (not (eq window-system 'pc))))) | |
6a1e7d67 GM |
430 | ;; Modify the initial frame based on what .emacs puts into |
431 | ;; ...-frame-alist. | |
432 | (if (fboundp 'frame-notice-user-settings) | |
433 | (frame-notice-user-settings)) | |
434 | (if (fboundp 'frame-set-background-mode) | |
435 | ;; Set the faces for the initial background mode even if | |
436 | ;; frame-notice-user-settings didn't (such as on a tty). | |
437 | ;; frame-set-background-mode is idempotent, so it won't | |
438 | ;; cause any harm if it's already been done. | |
439 | (let ((frame-background-mode frame-background-mode) | |
440 | (frame (selected-frame)) | |
441 | term) | |
442 | (when (and (null window-system) | |
443 | ;; Don't override a possibly customized value. | |
444 | (null frame-background-mode) | |
445 | ;; Don't override user specifications. | |
446 | (null (frame-parameter frame 'reverse)) | |
447 | (let ((bg (frame-parameter frame 'background-color))) | |
448 | (or (null bg) | |
449 | (member bg '(unspecified "unspecified-bg"))))) | |
450 | (setq term (getenv "TERM")) | |
818cd248 EZ |
451 | ;; Some files in lisp/term do a better job with the |
452 | ;; background mode, but we leave this here anyway, in | |
453 | ;; case they remove those files. | |
6a1e7d67 GM |
454 | (if (string-match "^\\(xterm\\|rxvt\\|dtterm\\|eterm\\)" |
455 | term) | |
456 | (setq frame-background-mode 'light))) | |
457 | (frame-set-background-mode (selected-frame))))) | |
13ab33c4 | 458 | |
6f2c86fa KH |
459 | ;; Now we know the user's default font, so add it to the menu. |
460 | (if (fboundp 'font-menu-add-default) | |
461 | (font-menu-add-default)) | |
462 | (and window-setup-hook | |
463 | (run-hooks 'window-setup-hook)) | |
464 | (or menubar-bindings-done | |
66c24e1e EZ |
465 | (if (display-popup-menus-p) |
466 | (precompute-menubar-bindings))))))) | |
6f2c86fa KH |
467 | |
468 | ;; Precompute the keyboard equivalents in the menu bar items. | |
469 | (defun precompute-menubar-bindings () | |
365636dc RS |
470 | (let ((submap (lookup-key global-map [menu-bar]))) |
471 | (while submap | |
472 | (and (consp (car submap)) | |
473 | (symbolp (car (car submap))) | |
474 | (stringp (car-safe (cdr (car submap)))) | |
475 | (keymapp (cdr (cdr (car submap)))) | |
a18042d7 RS |
476 | (progn |
477 | (x-popup-menu nil (cdr (cdr (car submap)))) | |
478 | (if purify-flag | |
479 | (garbage-collect)))) | |
365636dc | 480 | (setq submap (cdr submap)))) |
5b61c6a7 | 481 | (setq define-key-rebound-commands t)) |
a726e0d1 | 482 | |
c381f482 EZ |
483 | ;; Command-line options supported by tty's: |
484 | (defconst tty-long-option-alist | |
8957d2bf EZ |
485 | '(("--name" . "-name") |
486 | ("--title" . "-T") | |
487 | ("--reverse-video" . "-reverse") | |
c381f482 | 488 | ("--foreground-color" . "-fg") |
8957d2bf EZ |
489 | ("--background-color" . "-bg") |
490 | ("--color" . "-color"))) | |
c381f482 | 491 | |
b66b6aeb GM |
492 | (defconst tool-bar-images-pixel-height 24 |
493 | "Height in pixels of images in the tool bar.") | |
494 | ||
3a55d3d0 JR |
495 | (defvar tool-bar-originally-present nil |
496 | "Non-nil if tool-bars are present before user and site init files are read.") | |
497 | ||
bca8c7be | 498 | ;; Handle the X-like command-line arguments "-fg", "-bg", "-name", etc. |
c381f482 | 499 | (defun tty-handle-args (args) |
bca8c7be | 500 | (let (rest) |
c381f482 EZ |
501 | (message "%s" args) |
502 | (while (and args | |
503 | (not (equal (car args) "--"))) | |
bca8c7be MS |
504 | (let* ((argi (pop args)) |
505 | (orig-argi argi) | |
506 | argval completion) | |
c381f482 EZ |
507 | ;; Check for long options with attached arguments |
508 | ;; and separate out the attached option argument into argval. | |
bca8c7be MS |
509 | (when (string-match "^\\(--[^=]*\\)=" argi) |
510 | (setq argval (substring argi (match-end 0)) | |
511 | argi (match-string 1 argi))) | |
512 | (when (string-match "^--" argi) | |
513 | (setq completion (try-completion argi tty-long-option-alist)) | |
c381f482 EZ |
514 | (if (eq completion t) |
515 | ;; Exact match for long option. | |
bca8c7be | 516 | (setq argi (cdr (assoc argi tty-long-option-alist))) |
c381f482 EZ |
517 | (if (stringp completion) |
518 | (let ((elt (assoc completion tty-long-option-alist))) | |
519 | ;; Check for abbreviated long option. | |
520 | (or elt | |
bca8c7be MS |
521 | (error "Option `%s' is ambiguous" argi)) |
522 | (setq argi (cdr elt))) | |
c381f482 | 523 | ;; Check for a short option. |
bca8c7be MS |
524 | (setq argval nil |
525 | argi orig-argi)))) | |
526 | (cond ((member argi '("-fg" "-foreground")) | |
527 | (push (cons 'foreground-color (or argval (pop args))) | |
528 | default-frame-alist)) | |
529 | ((member argi '("-bg" "-background")) | |
530 | (push (cons 'background-color (or argval (pop args))) | |
531 | default-frame-alist)) | |
532 | ((member argi '("-T" "-name")) | |
533 | (unless argval (setq argval (pop args))) | |
534 | (push (cons 'title | |
535 | (if (stringp argval) | |
536 | argval | |
537 | (let ((case-fold-search t) | |
538 | i) | |
539 | (setq argval (invocation-name)) | |
540 | ||
541 | ;; Change any . or * characters in name to | |
542 | ;; hyphens, so as to emulate behavior on X. | |
543 | (while | |
544 | (setq i (string-match "[.*]" argval)) | |
545 | (aset argval i ?-)) | |
546 | argval))) | |
547 | default-frame-alist)) | |
548 | ((member argi '("-r" "-rv" "-reverse")) | |
549 | (push '(reverse . t) | |
550 | default-frame-alist)) | |
551 | ((equal argi "-color") | |
552 | (unless argval (setq argval 8)) ; default --color means 8 ANSI colors | |
553 | (push (cons 'tty-color-mode | |
554 | (cond | |
555 | ((numberp argval) argval) | |
556 | ((string-match "-?[0-9]+" argval) | |
557 | (string-to-number argval)) | |
558 | (t (intern argval)))) | |
559 | default-frame-alist)) | |
560 | (t | |
561 | (push argi rest))))) | |
562 | (nreverse rest))) | |
c381f482 | 563 | |
a726e0d1 | 564 | (defun command-line () |
09a1077c RS |
565 | (setq command-line-default-directory default-directory) |
566 | ||
849eedba | 567 | ;; Choose a reasonable location for temporary files. |
a3194d03 SM |
568 | (custom-reevaluate-setting 'temporary-file-directory) |
569 | (custom-reevaluate-setting 'small-emporary-file-directory) | |
570 | (custom-reevaluate-setting 'auto-save-file-name-transforms) | |
849eedba | 571 | |
74f2ab06 | 572 | ;; See if we should import version-control from the environment variable. |
a726e0d1 JB |
573 | (let ((vc (getenv "VERSION_CONTROL"))) |
574 | (cond ((eq vc nil)) ;don't do anything if not set | |
bca8c7be | 575 | ((member vc '("t" "numbered")) |
a726e0d1 | 576 | (setq version-control t)) |
bca8c7be | 577 | ((member vc '("nil" "existing")) |
a726e0d1 | 578 | (setq version-control nil)) |
bca8c7be | 579 | ((member vc '("never" "simple")) |
a726e0d1 JB |
580 | (setq version-control 'never)))) |
581 | ||
79058860 JB |
582 | ;;! This has been commented out; I currently find the behavior when |
583 | ;;! split-window-keep-point is nil disturbing, but if I can get used | |
584 | ;;! to it, then it would be better to eliminate the option. | |
585 | ;;! ;; Choose a good default value for split-window-keep-point. | |
586 | ;;! (setq split-window-keep-point (> baud-rate 2400)) | |
f35fe3c6 | 587 | |
d4308a4d EZ |
588 | ;; Set the default strings to display in mode line for |
589 | ;; end-of-line formats that aren't native to this platform. | |
590 | (cond | |
591 | ((memq system-type '(ms-dos windows-nt emx)) | |
bca8c7be MS |
592 | (setq eol-mnemonic-unix "(Unix)" |
593 | eol-mnemonic-mac "(Mac)")) | |
bde61f8b EZ |
594 | ;; Both Mac and Unix EOLs are now "native" on Mac OS so keep the |
595 | ;; abbreviated strings `/' and `:' set in coding.c for them. | |
596 | ((eq system-type 'macos) | |
597 | (setq eol-mnemonic-dos "(DOS)")) | |
bca8c7be MS |
598 | (t ; this is for Unix/GNU/Linux systems |
599 | (setq eol-mnemonic-dos "(DOS)" | |
600 | eol-mnemonic-mac "(Mac)"))) | |
d4308a4d | 601 | |
a726e0d1 | 602 | ;; Read window system's init file if using a window system. |
1ed14cfd RS |
603 | (condition-case error |
604 | (if (and window-system (not noninteractive)) | |
605 | (load (concat term-file-prefix | |
606 | (symbol-name window-system) | |
607 | "-win") | |
608 | ;; Every window system should have a startup file; | |
609 | ;; barf if we can't find it. | |
610 | nil t)) | |
611 | ;; If we can't read it, print the error message and exit. | |
612 | (error | |
2677ad61 RS |
613 | (princ |
614 | (if (eq (car error) 'error) | |
615 | (apply 'concat (cdr error)) | |
616 | (if (memq 'file-error (get (car error) 'error-conditions)) | |
617 | (format "%s: %s" | |
bca8c7be MS |
618 | (nth 1 error) |
619 | (mapconcat (lambda (obj) (prin1-to-string obj t)) | |
620 | (cdr (cdr error)) ", ")) | |
2677ad61 | 621 | (format "%s: %s" |
bca8c7be MS |
622 | (get (car error) 'error-message) |
623 | (mapconcat (lambda (obj) (prin1-to-string obj t)) | |
624 | (cdr error) ", ")))) | |
2677ad61 | 625 | 'external-debugging-output) |
27f5188c | 626 | (terpri 'external-debugging-output) |
2677ad61 | 627 | (setq window-system nil) |
1ed14cfd | 628 | (kill-emacs))) |
a726e0d1 | 629 | |
c381f482 | 630 | ;; Windowed displays do this inside their *-win.el. |
bca8c7be | 631 | (unless (or (display-graphic-p) noninteractive) |
c381f482 EZ |
632 | (setq command-line-args (tty-handle-args command-line-args))) |
633 | ||
640a9cdd JR |
634 | (set-locale-environment nil) |
635 | ||
c16eb7b0 RS |
636 | ;; Convert the arguments to Emacs internal representation. |
637 | (let ((args (cdr command-line-args))) | |
638 | (while args | |
639 | (setcar args | |
640 | (decode-coding-string (car args) locale-coding-system t)) | |
bca8c7be | 641 | (pop args))) |
c16eb7b0 | 642 | |
03e3c30a JB |
643 | (let ((done nil) |
644 | (args (cdr command-line-args))) | |
645 | ||
a726e0d1 JB |
646 | ;; Figure out which user's init file to load, |
647 | ;; either from the environment or from the options. | |
648 | (setq init-file-user (if noninteractive nil (user-login-name))) | |
649 | ;; If user has not done su, use current $HOME to find .emacs. | |
bca8c7be MS |
650 | (and init-file-user |
651 | (equal init-file-user (user-real-login-name)) | |
a726e0d1 | 652 | (setq init-file-user "")) |
03e3c30a JB |
653 | |
654 | ;; Process the command-line args, and delete the arguments | |
655 | ;; processed. This is consistent with the way main in emacs.c | |
656 | ;; does things. | |
a726e0d1 | 657 | (while (and (not done) args) |
bca8c7be | 658 | (let* ((longopts '(("--no-init-file") ("--no-site-file") ("--user") |
178b4542 | 659 | ("--debug-init") ("--iconic") ("--icon-type") |
7c9acaf3 | 660 | ("--no-blinking-cursor") ("--bare-bones"))) |
bca8c7be MS |
661 | (argi (pop args)) |
662 | (orig-argi argi) | |
663 | argval) | |
452e9090 | 664 | ;; Handle --OPTION=VALUE format. |
bca8c7be | 665 | (when (string-match "^\\(--[^=]*\\)=" argi) |
1b207153 | 666 | (setq argval (substring argi (match-end 0)) |
bca8c7be | 667 | argi (match-string 1 argi))) |
1b207153 CW |
668 | (unless (equal argi "--") |
669 | (let ((completion (try-completion argi longopts))) | |
670 | (if (eq completion t) | |
671 | (setq argi (substring argi 1)) | |
672 | (if (stringp completion) | |
673 | (let ((elt (assoc completion longopts))) | |
674 | (or elt | |
675 | (error "Option `%s' is ambiguous" argi)) | |
676 | (setq argi (substring (car elt) 1))) | |
bca8c7be MS |
677 | (setq argval nil |
678 | argi orig-argi))))) | |
a726e0d1 | 679 | (cond |
7c9acaf3 | 680 | ((member argi '("-Q" "-bare-bones")) |
e2c60824 KS |
681 | (setq init-file-user nil |
682 | site-run-file nil | |
178b4542 | 683 | no-blinking-cursor t |
e2c60824 KS |
684 | emacs-quick-startup t) |
685 | (push '(vertical-scroll-bars . nil) initial-frame-alist)) | |
4e0a3971 SM |
686 | ((member argi '("-q" "-no-init-file")) |
687 | (setq init-file-user nil)) | |
688 | ((member argi '("-u" "-user")) | |
bca8c7be | 689 | (setq init-file-user (or argval (pop args)) |
4e0a3971 | 690 | argval nil)) |
bca8c7be | 691 | ((equal argi "-no-site-file") |
4e0a3971 | 692 | (setq site-run-file nil)) |
bca8c7be | 693 | ((equal argi "-debug-init") |
4e0a3971 | 694 | (setq init-file-debug t)) |
bca8c7be | 695 | ((equal argi "-iconic") |
4e0a3971 | 696 | (push '(visibility . icon) initial-frame-alist)) |
bca8c7be | 697 | ((member argi '("-icon-type" "-i" "-itype")) |
4e0a3971 | 698 | (push '(icon-type . t) default-frame-alist)) |
178b4542 JL |
699 | ((member argi '("-nbc" "-no-blinking-cursor")) |
700 | (setq no-blinking-cursor t)) | |
4e0a3971 | 701 | ;; Push the popped arg back on the list of arguments. |
bca8c7be MS |
702 | (t |
703 | (push argi args) | |
704 | (setq done t))) | |
096b7031 KH |
705 | ;; Was argval set but not used? |
706 | (and argval | |
707 | (error "Option `%s' doesn't allow an argument" argi)))) | |
708 | ||
03e3c30a | 709 | ;; Re-attach the program name to the front of the arg list. |
bca8c7be MS |
710 | (and command-line-args |
711 | (setcdr command-line-args args))) | |
a726e0d1 | 712 | |
c722566c | 713 | ;; Under X Windows, this creates the X frame and deletes the terminal frame. |
14f16b9c GM |
714 | (when (fboundp 'frame-initialize) |
715 | (frame-initialize)) | |
716 | ||
1fe0333f | 717 | ;; If frame was created with a menu bar, set menu-bar-mode on. |
bca8c7be | 718 | (unless (or noninteractive |
e2c60824 | 719 | emacs-quick-startup |
bca8c7be MS |
720 | (and (memq window-system '(x w32)) |
721 | (<= (frame-parameter nil 'menu-bar-lines) 0))) | |
8ab9589d | 722 | (menu-bar-mode 1)) |
c722566c | 723 | |
7d1eb6a4 | 724 | ;; If frame was created with a tool bar, switch tool-bar-mode on. |
bca8c7be | 725 | (unless (or noninteractive |
e2c60824 | 726 | emacs-quick-startup |
bca8c7be MS |
727 | (not (display-graphic-p)) |
728 | (<= (frame-parameter nil 'tool-bar-lines) 0)) | |
b66b6aeb | 729 | (tool-bar-mode 1)) |
7d1eb6a4 | 730 | |
3413f928 | 731 | ;; Can't do this init in defcustom because the relevant variables |
a3194d03 SM |
732 | ;; are not set. |
733 | (custom-reevaluate-setting 'blink-cursor-mode) | |
734 | (custom-reevaluate-setting 'normal-erase-is-backspace) | |
14f076a8 | 735 | |
bca8c7be | 736 | (unless (or noninteractive |
e2c60824 | 737 | emacs-quick-startup |
bca8c7be MS |
738 | (not (display-graphic-p)) |
739 | (not (fboundp 'x-show-tip))) | |
3b73087e GM |
740 | (tooltip-mode 1)) |
741 | ||
1592c1ef EZ |
742 | ;; Register default TTY colors for the case the terminal hasn't a |
743 | ;; terminal init file. | |
bca8c7be MS |
744 | (unless (memq window-system '(x w32)) |
745 | ;; We do this regardles of whether the terminal supports colors | |
746 | ;; or not, since they can switch that support on or off in | |
747 | ;; mid-session by setting the tty-color-mode frame parameter. | |
748 | (tty-register-default-colors)) | |
1592c1ef | 749 | |
3a55d3d0 JR |
750 | ;; Record whether the tool-bar is present before the user and site |
751 | ;; init files are processed. frame-notice-user-settings uses this | |
752 | ;; to determine if the tool-bar has been disabled by the init files, | |
753 | ;; and the frame needs to be resized. | |
754 | (when (fboundp 'frame-notice-user-settings) | |
755 | (let ((tool-bar-lines (or (assq 'tool-bar-lines initial-frame-alist) | |
756 | (assq 'tool-bar-lines default-frame-alist)))) | |
757 | (setq tool-bar-originally-present | |
bca8c7be MS |
758 | (and tool-bar-lines |
759 | (cdr tool-bar-lines) | |
760 | (not (eq 0 (cdr tool-bar-lines))))))) | |
3a55d3d0 | 761 | |
752ef254 GM |
762 | (let ((old-scalable-fonts-allowed scalable-fonts-allowed) |
763 | (old-font-list-limit font-list-limit) | |
764 | (old-face-ignored-fonts face-ignored-fonts)) | |
765 | ||
766 | (run-hooks 'before-init-hook) | |
767 | ||
768 | ;; Run the site-start library if it exists. The point of this file is | |
769 | ;; that it is run before .emacs. There is no point in doing this after | |
770 | ;; .emacs; that is useless. | |
f1180544 | 771 | (if site-run-file |
752ef254 GM |
772 | (load site-run-file t t)) |
773 | ||
774 | ;; Sites should not disable this. Only individuals should disable | |
775 | ;; the startup message. | |
776 | (setq inhibit-startup-message nil) | |
777 | ||
778 | ;; Load that user's init file, or the default one, or none. | |
779 | (let (debug-on-error-from-init-file | |
780 | debug-on-error-should-be-set | |
781 | (debug-on-error-initial | |
782 | (if (eq init-file-debug t) 'startup init-file-debug)) | |
783 | (orig-enable-multibyte default-enable-multibyte-characters)) | |
784 | (let ((debug-on-error debug-on-error-initial) | |
785 | ;; This function actually reads the init files. | |
786 | (inner | |
787 | (function | |
788 | (lambda () | |
789 | (if init-file-user | |
790 | (let ((user-init-file-1 | |
4e0a3971 | 791 | (cond |
752ef254 GM |
792 | ((eq system-type 'ms-dos) |
793 | (concat "~" init-file-user "/_emacs")) | |
794 | ((eq system-type 'windows-nt) | |
fe7ecaf2 | 795 | ;; Prefer .emacs on Windows. |
752ef254 GM |
796 | (if (directory-files "~" nil "^\\.emacs\\(\\.elc?\\)?$") |
797 | "~/.emacs" | |
fe7ecaf2 JR |
798 | ;; Also support _emacs for compatibility. |
799 | (if (directory-files "~" nil "^_emacs\\(\\.elc?\\)?$") | |
800 | "~/_emacs" | |
801 | ;; But default to .emacs if _emacs does not exist. | |
802 | "~/.emacs"))) | |
f1180544 | 803 | ((eq system-type 'vax-vms) |
752ef254 | 804 | "sys$login:.emacs") |
4e0a3971 | 805 | (t |
752ef254 GM |
806 | (concat "~" init-file-user "/.emacs"))))) |
807 | ;; This tells `load' to store the file name found | |
808 | ;; into user-init-file. | |
809 | (setq user-init-file t) | |
810 | (load user-init-file-1 t t) | |
f1180544 | 811 | |
a04d5983 RS |
812 | (when (eq user-init-file t) |
813 | ;; If we did not find ~/.emacs, try | |
814 | ;; ~/.emacs.d/.emacs. | |
815 | (let ((otherfile | |
816 | (expand-file-name | |
817 | (file-name-nondirectory user-init-file-1) | |
818 | (file-name-as-directory | |
819 | (expand-file-name | |
820 | ".emacs.d" | |
821 | (file-name-directory user-init-file-1)))))) | |
822 | (load otherfile t t) | |
823 | ||
824 | ;; If we did not find the user's init file, | |
825 | ;; set user-init-file conclusively. | |
826 | ;; Don't let it be set from default.el. | |
827 | (when (eq user-init-file t) | |
828 | (setq user-init-file user-init-file-1)))) | |
f1180544 | 829 | |
752ef254 GM |
830 | ;; If we loaded a compiled file, set |
831 | ;; `user-init-file' to the source version if that | |
832 | ;; exists. | |
833 | (when (and user-init-file | |
834 | (equal (file-name-extension user-init-file) | |
835 | "elc")) | |
836 | (let* ((source (file-name-sans-extension user-init-file)) | |
837 | (alt (concat source ".el"))) | |
838 | (setq source (cond ((file-exists-p alt) alt) | |
839 | ((file-exists-p source) source) | |
840 | (t nil))) | |
841 | (when source | |
842 | (when (file-newer-than-file-p source user-init-file) | |
843 | (message "Warning: %s is newer than %s" | |
844 | source user-init-file) | |
845 | (sit-for 1)) | |
846 | (setq user-init-file source)))) | |
f1180544 | 847 | |
bca8c7be MS |
848 | (unless inhibit-default-init |
849 | (let ((inhibit-startup-message nil)) | |
850 | ;; Users are supposed to be told their rights. | |
851 | ;; (Plus how to get help and how to undo.) | |
852 | ;; Don't you dare turn this off for anyone | |
853 | ;; except yourself. | |
854 | (load "default" t t))))))))) | |
752ef254 GM |
855 | (if init-file-debug |
856 | ;; Do this without a condition-case if the user wants to debug. | |
857 | (funcall inner) | |
858 | (condition-case error | |
859 | (progn | |
860 | (funcall inner) | |
861 | (setq init-file-had-error nil)) | |
862 | (error | |
863 | (let ((message-log-max nil)) | |
864 | (save-excursion | |
865 | (set-buffer (get-buffer-create "*Messages*")) | |
866 | (insert "\n\n" | |
867 | (format "An error has occurred while loading `%s':\n\n" | |
868 | user-init-file) | |
869 | (format "%s%s%s" | |
870 | (get (car error) 'error-message) | |
871 | (if (cdr error) ": " "") | |
f5b6cffd | 872 | (mapconcat (lambda (s) (prin1-to-string s t)) (cdr error) ", ")) |
752ef254 | 873 | "\n\n" |
f5b6cffd KS |
874 | "To ensure normal operation, you should investigate and remove the\n" |
875 | "cause of the error in your initialization file. Start Emacs with\n" | |
876 | "the `--debug-init' option to view a complete error backtrace.\n\n")) | |
752ef254 GM |
877 | (message "Error in init file: %s%s%s" |
878 | (get (car error) 'error-message) | |
879 | (if (cdr error) ": " "") | |
880 | (mapconcat 'prin1-to-string (cdr error) ", ")) | |
f5b6cffd KS |
881 | (let ((pop-up-windows nil)) |
882 | (pop-to-buffer "*Messages*")) | |
752ef254 | 883 | (setq init-file-had-error t))))) |
ac3186fd RS |
884 | |
885 | ;; If the user has a file of abbrevs, read it. | |
886 | (if (file-exists-p abbrev-file-name) | |
887 | (quietly-read-abbrev-file abbrev-file-name)) | |
888 | ||
70b199c3 RS |
889 | ;; If the abbrevs came entirely from the init file or the |
890 | ;; abbrevs file, they do not need saving. | |
891 | (setq abbrevs-changed nil) | |
892 | ||
752ef254 GM |
893 | ;; If we can tell that the init file altered debug-on-error, |
894 | ;; arrange to preserve the value that it set up. | |
895 | (or (eq debug-on-error debug-on-error-initial) | |
896 | (setq debug-on-error-should-be-set t | |
897 | debug-on-error-from-init-file debug-on-error))) | |
898 | (if debug-on-error-should-be-set | |
899 | (setq debug-on-error debug-on-error-from-init-file)) | |
900 | (unless (or default-enable-multibyte-characters | |
901 | (eq orig-enable-multibyte default-enable-multibyte-characters)) | |
902 | ;; Init file changed to unibyte. Reset existing multibyte | |
903 | ;; buffers (probably *scratch*, *Messages*, *Minibuff-0*). | |
904 | ;; Arguably this should only be done if they're free of | |
905 | ;; multibyte characters. | |
906 | (mapcar (lambda (buffer) | |
907 | (with-current-buffer buffer | |
908 | (if enable-multibyte-characters | |
909 | (set-buffer-multibyte nil)))) | |
910 | (buffer-list)) | |
911 | ;; Also re-set the language environment in case it was | |
912 | ;; originally done before unibyte was set and is sensitive to | |
913 | ;; unibyte (display table, terminal coding system &c). | |
914 | (set-language-environment current-language-environment))) | |
f1180544 | 915 | |
752ef254 | 916 | ;; Do this here in case the init file sets mail-host-address. |
5b88a2c5 | 917 | (if (equal user-mail-address "") |
752ef254 GM |
918 | (setq user-mail-address (concat (user-login-name) "@" |
919 | (or mail-host-address | |
920 | (system-name))))) | |
921 | ||
922 | ;; If parameter have been changed in the init file which influence | |
923 | ;; face realization, clear the face cache so that new faces will | |
924 | ;; be realized. | |
925 | (unless (and (eq scalable-fonts-allowed old-scalable-fonts-allowed) | |
926 | (eq font-list-limit old-font-list-limit) | |
927 | (eq face-ignored-fonts old-face-ignored-fonts)) | |
928 | (clear-face-cache))) | |
f1180544 | 929 | |
e3bd99f5 RM |
930 | (run-hooks 'after-init-hook) |
931 | ||
1fc67c11 | 932 | ;; Decode all default-directory. |
cea927ed KH |
933 | (if (and default-enable-multibyte-characters locale-coding-system) |
934 | (save-excursion | |
935 | (dolist (elt (buffer-list)) | |
936 | (set-buffer elt) | |
937 | (if default-directory | |
938 | (setq default-directory | |
939 | (decode-coding-string default-directory | |
940 | locale-coding-system t)))) | |
941 | (setq command-line-default-directory | |
942 | (decode-coding-string command-line-default-directory | |
943 | locale-coding-system t)))) | |
944 | ||
a726e0d1 JB |
945 | ;; If *scratch* exists and init file didn't change its mode, initialize it. |
946 | (if (get-buffer "*scratch*") | |
694210c4 | 947 | (with-current-buffer "*scratch*" |
a726e0d1 JB |
948 | (if (eq major-mode 'fundamental-mode) |
949 | (funcall initial-major-mode)))) | |
f1180544 | 950 | |
a726e0d1 JB |
951 | ;; Load library for our terminal type. |
952 | ;; User init file can set term-file-prefix to nil to prevent this. | |
bca8c7be MS |
953 | (unless (or noninteractive |
954 | window-system | |
955 | (null term-file-prefix)) | |
956 | (let ((term (getenv "TERM")) | |
957 | hyphend) | |
958 | (while (and term | |
959 | (not (load (concat term-file-prefix term) t t))) | |
960 | ;; Strip off last hyphen and what follows, then try again | |
961 | (setq term | |
962 | (if (setq hyphend (string-match "[-_][^-_]+$" term)) | |
963 | (substring term 0 hyphend) | |
964 | nil))))) | |
a726e0d1 | 965 | |
5777a167 RS |
966 | ;; Update the out-of-memory error message based on user's key bindings |
967 | ;; for save-some-buffers. | |
968 | (setq memory-signal-data | |
969 | (list 'error | |
970 | (substitute-command-keys "Memory exhausted--use \\[save-some-buffers] then exit and restart Emacs"))) | |
971 | ||
03e3c30a | 972 | ;; Process the remaining args. |
a726e0d1 JB |
973 | (command-line-1 (cdr command-line-args)) |
974 | ||
975 | ;; If -batch, terminate after processing the command options. | |
ca57f55d JD |
976 | (if noninteractive (kill-emacs t)) |
977 | ||
978 | ;; Run emacs-session-restore (session management) if started by | |
979 | ;; the session manager and we have a session manager connection. | |
bca8c7be MS |
980 | (if (and (boundp 'x-session-previous-id) |
981 | (stringp x-session-previous-id)) | |
70646cf0 | 982 | (emacs-session-restore x-session-previous-id))) |
a726e0d1 | 983 | |
46cfd295 | 984 | (defcustom initial-scratch-message (purecopy "\ |
3b79c219 GM |
985 | ;; This buffer is for notes you don't want to save, and for Lisp evaluation. |
986 | ;; If you want to create a file, visit that file with C-x C-f, | |
987 | ;; then enter the text in that file's own buffer. | |
9fe3219e | 988 | |
46cfd295 | 989 | ") |
9fe3219e RS |
990 | "Initial message displayed in *scratch* buffer at startup. |
991 | If this is nil, no message will be displayed." | |
fa071a47 RS |
992 | :type '(choice (text :tag "Message") |
993 | (const :tag "none" nil)) | |
994 | :group 'initialization) | |
9fe3219e | 995 | |
ce9ded5d GM |
996 | \f |
997 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
998 | ;;; Fancy splash screen | |
999 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
1000 | ||
1001 | (defvar fancy-splash-text | |
26ff68aa | 1002 | '((:face variable-pitch |
926aa0ee | 1003 | "You can do basic editing with the menu bar and scroll bar \ |
926aa0ee | 1004 | using the mouse.\n\n" |
26ff68aa | 1005 | :face (variable-pitch :weight bold) |
ce9ded5d | 1006 | "Important Help menu items:\n" |
959f1226 TTN |
1007 | :face variable-pitch |
1008 | (lambda () | |
1009 | (let* ((en "TUTORIAL") | |
1010 | (tut (or (get-language-info current-language-environment | |
1011 | 'tutorial) | |
1012 | en)) | |
1013 | (title (with-temp-buffer | |
1014 | (insert-file-contents | |
1015 | (expand-file-name tut data-directory) | |
1016 | nil 0 256) | |
1017 | (search-forward ".") | |
1018 | (buffer-substring (point-min) (1- (point)))))) | |
1019 | ;; If there is a specific tutorial for the current language | |
1020 | ;; environment and it is not English, append its title. | |
1021 | (concat | |
1022 | "Emacs Tutorial\tLearn how to use Emacs efficiently" | |
1023 | (if (string= en tut) | |
1024 | "" | |
1025 | (concat " (" title ")")) | |
1026 | "\n"))) | |
1027 | :face variable-pitch "\ | |
1fc02b3c | 1028 | Emacs FAQ\tFrequently asked questions and answers |
5777a167 | 1029 | Read the Emacs Manual\tView the Emacs manual using Info |
1fc02b3c | 1030 | \(Non)Warranty\tGNU Emacs comes with " |
26ff68aa | 1031 | :face (variable-pitch :slant oblique) |
ce9ded5d | 1032 | "ABSOLUTELY NO WARRANTY\n" |
26ff68aa | 1033 | :face variable-pitch |
d3c5bad2 | 1034 | "\ |
d7618b60 | 1035 | Copying Conditions\tConditions for redistributing and changing Emacs |
682b60ae | 1036 | More Manuals / Ordering Manuals Buying printed manuals from the FSF\n") |
d7618b60 GM |
1037 | (:face variable-pitch |
1038 | "You can do basic editing with the menu bar and scroll bar \ | |
1039 | using the mouse.\n\n" | |
1040 | :face (variable-pitch :weight bold) | |
1041 | "Useful File menu items:\n" | |
1042 | :face variable-pitch "\ | |
1043 | Exit Emacs\t(Or type Control-x followed by Control-c) | |
1044 | Recover Session\tRecover files you were editing before a crash | |
1045 | ||
1046 | ||
1047 | ||
3f334882 | 1048 | |
d7618b60 GM |
1049 | " |
1050 | )) | |
ce9ded5d GM |
1051 | "A list of texts to show in the middle part of splash screens. |
1052 | Each element in the list should be a list of strings or pairs | |
1053 | `:face FACE', like `fancy-splash-insert' accepts them.") | |
1054 | ||
1055 | ||
fb275c02 | 1056 | (defgroup fancy-splash-screen () |
a01bb1db | 1057 | "Fancy splash screen when Emacs starts." |
fb275c02 | 1058 | :version "21.1" |
a01bb1db GM |
1059 | :group 'initialization) |
1060 | ||
1061 | ||
e9da51a1 | 1062 | (defcustom fancy-splash-delay 10 |
49939379 | 1063 | "*Delay in seconds between splash screens." |
a01bb1db | 1064 | :group 'fancy-splash-screen |
ce9ded5d GM |
1065 | :type 'integer) |
1066 | ||
1067 | ||
e9da51a1 GM |
1068 | (defcustom fancy-splash-max-time 60 |
1069 | "*Show splash screens for at most this number of seconds. | |
1070 | Values less than 60 seconds are ignored." | |
1071 | :group 'fancy-splash-screen | |
1072 | :type 'integer) | |
1073 | ||
1074 | ||
8ad8561b GM |
1075 | (defcustom fancy-splash-image nil |
1076 | "*The image to show in the splash screens, or nil for defaults." | |
a01bb1db | 1077 | :group 'fancy-splash-screen |
8ad8561b GM |
1078 | :type '(choice (const :tag "Default" nil) |
1079 | (file :tag "File"))) | |
ce9ded5d GM |
1080 | |
1081 | ||
f645586f GM |
1082 | ;; These are temporary storage areas for the splash screen display. |
1083 | ||
1084 | (defvar fancy-current-text nil) | |
1085 | (defvar fancy-splash-help-echo nil) | |
e9da51a1 | 1086 | (defvar fancy-splash-stop-time nil) |
eae91b60 | 1087 | (defvar fancy-splash-outer-buffer nil) |
f645586f | 1088 | |
ce9ded5d GM |
1089 | (defun fancy-splash-insert (&rest args) |
1090 | "Insert text into the current buffer, with faces. | |
959f1226 TTN |
1091 | Arguments from ARGS should be either strings, functions called |
1092 | with no args that return a string, or pairs `:face FACE', | |
ce9ded5d GM |
1093 | where FACE is a valid face specification, as it can be used with |
1094 | `put-text-properties'." | |
1095 | (let ((current-face nil)) | |
1096 | (while args | |
1097 | (if (eq (car args) :face) | |
1098 | (setq args (cdr args) current-face (car args)) | |
959f1226 TTN |
1099 | (insert (propertize (let ((it (car args))) |
1100 | (if (functionp it) | |
1101 | (funcall it) | |
1102 | it)) | |
f645586f GM |
1103 | 'face current-face |
1104 | 'help-echo fancy-splash-help-echo))) | |
ce9ded5d GM |
1105 | (setq args (cdr args))))) |
1106 | ||
1107 | ||
1108 | (defun fancy-splash-head () | |
1109 | "Insert the head part of the splash screen into the current buffer." | |
51e8cfdd GM |
1110 | (let* ((image-file (cond ((stringp fancy-splash-image) |
1111 | fancy-splash-image) | |
1112 | ((and (display-color-p) | |
1113 | (image-type-available-p 'xpm)) | |
1114 | (if (and (fboundp 'x-display-planes) | |
1115 | (= (funcall 'x-display-planes) 8)) | |
1116 | "splash8.xpm" | |
1117 | "splash.xpm")) | |
1118 | (t "splash.pbm"))) | |
1119 | (img (create-image image-file)) | |
ce9ded5d GM |
1120 | (image-width (and img (car (image-size img)))) |
1121 | (window-width (window-width (selected-window)))) | |
1122 | (when img | |
1123 | (when (> window-width image-width) | |
f645586f | 1124 | ;; Center the image in the window. |
e2c60824 KS |
1125 | (insert (propertize " " 'display |
1126 | `(space :align-to (+ center (-0.5 . ,img))))) | |
f645586f | 1127 | |
e7f3afa9 MB |
1128 | ;; Change the color of the XPM version of the splash image |
1129 | ;; so that it is visible with a dark frame background. | |
1130 | (when (and (memq 'xpm img) | |
1131 | (eq (frame-parameter nil 'background-mode) 'dark)) | |
1132 | (setq img (append img '(:color-symbols (("#000000" . "gray30")))))) | |
1133 | ||
f645586f GM |
1134 | ;; Insert the image with a help-echo and a keymap. |
1135 | (let ((map (make-sparse-keymap)) | |
a622451f | 1136 | (help-echo "mouse-2: browse http://www.gnu.org/")) |
f645586f GM |
1137 | (define-key map [mouse-2] |
1138 | (lambda () | |
1139 | (interactive) | |
a622451f | 1140 | (browse-url "http://www.gnu.org/") |
f645586f GM |
1141 | (throw 'exit nil))) |
1142 | (define-key map [down-mouse-2] 'ignore) | |
1143 | (define-key map [up-mouse-2] 'ignore) | |
1144 | (insert-image img (propertize "xxx" 'help-echo help-echo | |
1145 | 'keymap map))) | |
ce9ded5d | 1146 | (insert "\n")))) |
9d5cf87c RS |
1147 | (fancy-splash-insert |
1148 | :face '(variable-pitch :foreground "red") | |
1149 | (if (eq system-type 'gnu/linux) | |
1150 | "GNU Emacs is one component of the GNU/Linux operating system." | |
b831c087 | 1151 | "GNU Emacs is one component of the GNU operating system.")) |
eae91b60 RS |
1152 | (insert "\n") |
1153 | (unless (equal (buffer-name fancy-splash-outer-buffer) "*scratch*") | |
1154 | (fancy-splash-insert :face 'variable-pitch | |
1155 | (substitute-command-keys | |
1156 | "Type \\[recenter] to begin editing your file.\n")))) | |
ce9ded5d GM |
1157 | |
1158 | ||
1159 | (defun fancy-splash-tail () | |
1160 | "Insert the tail part of the splash screen into the current buffer." | |
95fadcca GM |
1161 | (let ((fg (if (eq (frame-parameter nil 'background-mode) 'dark) |
1162 | "cyan" "darkblue"))) | |
1163 | (fancy-splash-insert :face `(variable-pitch :foreground ,fg) | |
1164 | "\nThis is " | |
1165 | (emacs-version) | |
1166 | "\n" | |
1167 | :face '(variable-pitch :height 0.5) | |
b55c0dea | 1168 | "Copyright (C) 2004 Free Software Foundation, Inc.") |
ed638cc9 RS |
1169 | (and auto-save-list-file-prefix |
1170 | ;; Don't signal an error if the | |
1171 | ;; directory for auto-save-list files | |
1172 | ;; does not yet exist. | |
1173 | (file-directory-p (file-name-directory | |
1174 | auto-save-list-file-prefix)) | |
1175 | (directory-files | |
1176 | (file-name-directory auto-save-list-file-prefix) | |
1177 | nil | |
1178 | (concat "\\`" | |
1179 | (regexp-quote (file-name-nondirectory | |
1180 | auto-save-list-file-prefix))) | |
1181 | t) | |
1182 | (fancy-splash-insert :face '(variable-pitch :foreground "red") | |
1183 | "\n\nIf an Emacs session crashed recently, " | |
1184 | "type M-x recover-session RET\nto recover" | |
1185 | " the files you were editing.")))) | |
ce9ded5d | 1186 | |
f645586f GM |
1187 | (defun fancy-splash-screens-1 (buffer) |
1188 | "Timer function displaying a splash screen." | |
e9da51a1 GM |
1189 | (when (> (float-time) fancy-splash-stop-time) |
1190 | (throw 'stop-splashing nil)) | |
f645586f GM |
1191 | (unless fancy-current-text |
1192 | (setq fancy-current-text fancy-splash-text)) | |
1193 | (let ((text (car fancy-current-text))) | |
1194 | (set-buffer buffer) | |
1195 | (erase-buffer) | |
b693e375 RS |
1196 | (if pure-space-overflow |
1197 | (insert "Warning Warning Pure space overflow Warning Warning\n")) | |
f645586f GM |
1198 | (fancy-splash-head) |
1199 | (apply #'fancy-splash-insert text) | |
1200 | (fancy-splash-tail) | |
1201 | (unless (current-message) | |
1202 | (message fancy-splash-help-echo)) | |
1203 | (set-buffer-modified-p nil) | |
dbeb499b | 1204 | (goto-char (point-min)) |
f645586f GM |
1205 | (force-mode-line-update) |
1206 | (setq fancy-current-text (cdr fancy-current-text)))) | |
1207 | ||
1208 | ||
1209 | (defun fancy-splash-default-action () | |
732950b1 JB |
1210 | "Stop displaying the splash screen buffer. |
1211 | This is an internal function used to turn off the splash screen after | |
1212 | the user caused an input event by hitting a key or clicking with the | |
1213 | mouse." | |
f645586f GM |
1214 | (interactive) |
1215 | (push last-command-event unread-command-events) | |
1216 | (throw 'exit nil)) | |
1217 | ||
1218 | ||
ce9ded5d | 1219 | (defun fancy-splash-screens () |
f645586f | 1220 | "Display fancy splash screens when Emacs starts." |
5b61c6a7 | 1221 | (setq fancy-splash-help-echo (startup-echo-area-message)) |
848c7757 | 1222 | (let ((old-hourglass display-hourglass) |
eae91b60 RS |
1223 | (fancy-splash-outer-buffer (current-buffer)) |
1224 | splash-buffer | |
ff4ec1f7 | 1225 | (old-minor-mode-map-alist minor-mode-map-alist) |
6b20fb8e | 1226 | (frame (fancy-splash-frame)) |
5b61c6a7 | 1227 | timer) |
6b20fb8e RS |
1228 | (save-selected-window |
1229 | (select-frame frame) | |
1230 | (switch-to-buffer "GNU Emacs") | |
1231 | (setq tab-width 20) | |
1232 | (setq splash-buffer (current-buffer)) | |
1233 | (catch 'stop-splashing | |
1234 | (unwind-protect | |
1235 | (let ((map (make-sparse-keymap))) | |
1236 | (use-local-map map) | |
1237 | (define-key map [switch-frame] 'ignore) | |
1238 | (define-key map [t] 'fancy-splash-default-action) | |
1239 | (define-key map [mouse-movement] 'ignore) | |
1240 | (define-key map [mode-line t] 'ignore) | |
1241 | (setq cursor-type nil | |
1242 | display-hourglass nil | |
1243 | minor-mode-map-alist nil | |
1244 | buffer-undo-list t | |
f1180544 | 1245 | mode-line-format (propertize "---- %b %-" |
6b20fb8e RS |
1246 | 'face '(:weight bold)) |
1247 | fancy-splash-stop-time (+ (float-time) | |
1248 | (max 60 fancy-splash-max-time)) | |
1249 | timer (run-with-timer 0 fancy-splash-delay | |
1250 | #'fancy-splash-screens-1 | |
1251 | splash-buffer)) | |
1252 | (recursive-edit)) | |
e9da51a1 | 1253 | (cancel-timer timer) |
ff4ec1f7 GM |
1254 | (setq display-hourglass old-hourglass |
1255 | minor-mode-map-alist old-minor-mode-map-alist) | |
6b20fb8e RS |
1256 | (kill-buffer splash-buffer)))))) |
1257 | ||
1258 | (defun fancy-splash-frame () | |
1259 | "Return the frame to use for the fancy splash screen. | |
1260 | Returning non-nil does not mean we should necessarily | |
1261 | use the fancy splash screen, but if we do use it, | |
1262 | we put it on this frame." | |
1263 | (let (chosen-frame) | |
3a321ddb | 1264 | (dolist (frame (append (frame-list) (list (selected-frame)))) |
6b20fb8e RS |
1265 | (if (and (frame-visible-p frame) |
1266 | (not (window-minibuffer-p (frame-selected-window frame)))) | |
1267 | (setq chosen-frame frame))) | |
1268 | chosen-frame)) | |
f645586f | 1269 | |
285991dc GM |
1270 | (defun use-fancy-splash-screens-p () |
1271 | "Return t if fancy splash screens should be used." | |
9df076f2 GM |
1272 | (when (and (display-graphic-p) |
1273 | (or (and (display-color-p) | |
285991dc | 1274 | (image-type-available-p 'xpm)) |
9df076f2 | 1275 | (image-type-available-p 'pbm))) |
16d2fae9 JPW |
1276 | (let ((frame (fancy-splash-frame))) |
1277 | (when frame | |
1278 | (let* ((img (create-image (or fancy-splash-image | |
1279 | (if (and (display-color-p) | |
1280 | (image-type-available-p 'xpm)) | |
1281 | "splash.xpm" "splash.pbm")))) | |
1282 | (image-height (and img (cdr (image-size img)))) | |
1283 | (window-height (1- (window-height (frame-selected-window frame))))) | |
1284 | (> window-height (+ image-height 19))))))) | |
285991dc GM |
1285 | |
1286 | ||
c61453ea PJ |
1287 | (defun normal-splash-screen () |
1288 | "Display splash screen when Emacs starts." | |
82e736c1 JPW |
1289 | (let ((prev-buffer (current-buffer))) |
1290 | (unwind-protect | |
1291 | (with-current-buffer (get-buffer-create "GNU Emacs") | |
1292 | (let ((tab-width 8) | |
f1180544 | 1293 | (mode-line-format (propertize "---- %b %-" |
82e736c1 JPW |
1294 | 'face '(:weight bold)))) |
1295 | ||
b693e375 RS |
1296 | (if pure-space-overflow |
1297 | (insert "Warning Warning Pure space overflow Warning Warning\n")) | |
1298 | ||
82e736c1 JPW |
1299 | ;; The convention for this piece of code is that |
1300 | ;; each piece of output starts with one or two newlines | |
1301 | ;; and does not end with any newlines. | |
1302 | (insert "Welcome to GNU Emacs") | |
9d5cf87c RS |
1303 | (insert |
1304 | (if (eq system-type 'gnu/linux) | |
1305 | ", one component of the GNU/Linux operating system.\n" | |
1306 | ", a part of the GNU operating system.\n")) | |
82e736c1 JPW |
1307 | |
1308 | (unless (equal (buffer-name prev-buffer) "*scratch*") | |
1309 | (insert (substitute-command-keys | |
1310 | "\nType \\[recenter] to begin editing your file.\n"))) | |
1311 | ||
1312 | (if (display-mouse-p) | |
1313 | ;; The user can use the mouse to activate menus | |
1314 | ;; so give help in terms of menu items. | |
1315 | (progn | |
1316 | (insert "\ | |
c61453ea PJ |
1317 | You can do basic editing with the menu bar and scroll bar using the mouse. |
1318 | ||
1319 | Useful File menu items: | |
1320 | Exit Emacs (or type Control-x followed by Control-c) | |
1321 | Recover Session recover files you were editing before a crash | |
1322 | ||
1323 | Important Help menu items: | |
1324 | Emacs Tutorial Learn-by-doing tutorial for using Emacs efficiently. | |
1325 | Emacs FAQ Frequently asked questions and answers | |
5777a167 | 1326 | Read the Emacs Manual View the Emacs manual using Info |
c61453ea PJ |
1327 | \(Non)Warranty GNU Emacs comes with ABSOLUTELY NO WARRANTY |
1328 | Copying Conditions Conditions for redistributing and changing Emacs. | |
1329 | Getting New Versions How to obtain the latest version of Emacs. | |
682b60ae | 1330 | More Manuals / Ordering Manuals How to order printed manuals from the FSF. |
c61453ea | 1331 | ") |
82e736c1 JPW |
1332 | (insert "\n\n" (emacs-version) |
1333 | " | |
b55c0dea | 1334 | Copyright (C) 2004 Free Software Foundation, Inc.")) |
c61453ea | 1335 | |
82e736c1 JPW |
1336 | ;; No mouse menus, so give help using kbd commands. |
1337 | ||
1338 | ;; If keys have their default meanings, | |
1339 | ;; use precomputed string to save lots of time. | |
1340 | (if (and (eq (key-binding "\C-h") 'help-command) | |
1341 | (eq (key-binding "\C-xu") 'advertised-undo) | |
1342 | (eq (key-binding "\C-x\C-c") 'save-buffers-kill-emacs) | |
1343 | (eq (key-binding "\C-ht") 'help-with-tutorial) | |
1344 | (eq (key-binding "\C-hi") 'info) | |
1345 | (eq (key-binding "\C-hr") 'info-emacs-manual) | |
1346 | (eq (key-binding "\C-h\C-n") 'view-emacs-news)) | |
1347 | (insert " | |
c61453ea | 1348 | Get help C-h (Hold down CTRL and press h) |
5777a167 RS |
1349 | Emacs manual C-h r |
1350 | Emacs tutorial C-h t Undo changes C-x u | |
1351 | Buy manuals C-h C-m Exit Emacs C-x C-c | |
1352 | Browse manuals C-h i") | |
1353 | ||
82e736c1 JPW |
1354 | (insert (substitute-command-keys |
1355 | (format "\n | |
c61453ea | 1356 | Get help %s |
5777a167 | 1357 | Emacs manual \\[info-emacs-manual] |
82e736c1 JPW |
1358 | Emacs tutorial \\[help-with-tutorial]\tUndo changes\t\\[advertised-undo] |
1359 | Buy manuals \\[view-order-manuals]\tExit Emacs\t\\[save-buffers-kill-emacs] | |
5777a167 | 1360 | Browse manuals \\[info]" |
82e736c1 JPW |
1361 | (let ((where (where-is-internal |
1362 | 'help-command nil t))) | |
1363 | (if where | |
1364 | (key-description where) | |
1365 | "M-x help")))))) | |
1366 | ||
1367 | ;; Say how to use the menu bar with the keyboard. | |
1368 | (if (and (eq (key-binding "\M-`") 'tmm-menubar) | |
1369 | (eq (key-binding [f10]) 'tmm-menubar)) | |
1370 | (insert " | |
c61453ea | 1371 | Activate menubar F10 or ESC ` or M-`") |
82e736c1 | 1372 | (insert (substitute-command-keys " |
c61453ea PJ |
1373 | Activate menubar \\[tmm-menubar]"))) |
1374 | ||
82e736c1 JPW |
1375 | ;; Many users seem to have problems with these. |
1376 | (insert " | |
c61453ea PJ |
1377 | \(`C-' means use the CTRL key. `M-' means use the Meta (or Alt) key. |
1378 | If you have no Meta key, you may instead type ESC followed by the character.)") | |
1379 | ||
82e736c1 JPW |
1380 | (insert "\n\n" (emacs-version) |
1381 | " | |
b55c0dea | 1382 | Copyright (C) 2004 Free Software Foundation, Inc.") |
c61453ea | 1383 | |
82e736c1 JPW |
1384 | (if (and (eq (key-binding "\C-h\C-c") 'describe-copying) |
1385 | (eq (key-binding "\C-h\C-d") 'describe-distribution) | |
1386 | (eq (key-binding "\C-h\C-w") 'describe-no-warranty)) | |
f1180544 | 1387 | (insert |
82e736c1 | 1388 | "\n |
c61453ea PJ |
1389 | GNU Emacs comes with ABSOLUTELY NO WARRANTY; type C-h C-w for full details. |
1390 | Emacs is Free Software--Free as in Freedom--so you can redistribute copies | |
1391 | of Emacs and modify it; type C-h C-c to see the conditions. | |
1392 | Type C-h C-d for information on getting the latest version.") | |
82e736c1 JPW |
1393 | (insert (substitute-command-keys |
1394 | "\n | |
c61453ea PJ |
1395 | GNU Emacs comes with ABSOLUTELY NO WARRANTY; type \\[describe-no-warranty] for full details. |
1396 | Emacs is Free Software--Free as in Freedom--so you can redistribute copies | |
1397 | of Emacs and modify it; type \\[describe-copying] to see the conditions. | |
1398 | Type \\[describe-distribution] for information on getting the latest version.")))) | |
1399 | ||
82e736c1 JPW |
1400 | ;; The rest of the startup screen is the same on all |
1401 | ;; kinds of terminals. | |
1402 | ||
1403 | ;; Give information on recovering, if there was a crash. | |
1404 | (and auto-save-list-file-prefix | |
1405 | ;; Don't signal an error if the | |
1406 | ;; directory for auto-save-list files | |
1407 | ;; does not yet exist. | |
1408 | (file-directory-p (file-name-directory | |
1409 | auto-save-list-file-prefix)) | |
1410 | (directory-files | |
1411 | (file-name-directory auto-save-list-file-prefix) | |
1412 | nil | |
1413 | (concat "\\`" | |
1414 | (regexp-quote (file-name-nondirectory | |
1415 | auto-save-list-file-prefix))) | |
1416 | t) | |
1417 | (insert "\n\nIf an Emacs session crashed recently, " | |
1418 | "type M-x recover-session RET\nto recover" | |
1419 | " the files you were editing.")) | |
1420 | ||
1421 | ;; Display the input that we set up in the buffer. | |
1422 | (set-buffer-modified-p nil) | |
1423 | (goto-char (point-min)) | |
1424 | (save-window-excursion | |
1425 | (switch-to-buffer (current-buffer)) | |
1426 | (sit-for 120)))) | |
1427 | ;; Unwind ... ensure splash buffer is killed | |
1428 | (kill-buffer "GNU Emacs")))) | |
1429 | ||
c61453ea | 1430 | |
f645586f GM |
1431 | (defun startup-echo-area-message () |
1432 | (if (eq (key-binding "\C-h\C-p") 'describe-project) | |
1433 | "For information about the GNU Project and its goals, type C-h C-p." | |
1434 | (substitute-command-keys | |
1435 | "For information about the GNU Project and its goals, type \ | |
1436 | \\[describe-project]."))) | |
ce9ded5d GM |
1437 | |
1438 | ||
49939379 | 1439 | (defun display-startup-echo-area-message () |
15fa6db0 GM |
1440 | (let ((resize-mini-windows t)) |
1441 | (message (startup-echo-area-message)))) | |
f645586f | 1442 | |
49939379 | 1443 | |
c61453ea PJ |
1444 | (defun display-splash-screen () |
1445 | "Display splash screen according to display. | |
1446 | Fancy splash screens are used on graphic displays, | |
1447 | normal otherwise." | |
1448 | (interactive) | |
9df076f2 | 1449 | (if (use-fancy-splash-screens-p) |
c61453ea PJ |
1450 | (fancy-splash-screens) |
1451 | (normal-splash-screen))) | |
1452 | ||
1453 | ||
a726e0d1 | 1454 | (defun command-line-1 (command-line-args-left) |
52320897 | 1455 | (or noninteractive (input-pending-p) init-file-had-error |
ed638cc9 RS |
1456 | ;; t if the init file says to inhibit the echo area startup message. |
1457 | (and inhibit-startup-echo-area-message | |
1458 | user-init-file | |
1459 | (or (and (get 'inhibit-startup-echo-area-message 'saved-value) | |
1460 | (equal inhibit-startup-echo-area-message | |
bca8c7be | 1461 | (if (equal init-file-user "") |
ed638cc9 RS |
1462 | (user-login-name) |
1463 | init-file-user))) | |
1464 | ;; Wasn't set with custom; see if .emacs has a setq. | |
1465 | (let ((buffer (get-buffer-create " *temp*"))) | |
1466 | (prog1 | |
1467 | (condition-case nil | |
1468 | (save-excursion | |
1469 | (set-buffer buffer) | |
1470 | (insert-file-contents user-init-file) | |
1471 | (re-search-forward | |
1472 | (concat | |
1473 | "([ \t\n]*setq[ \t\n]+" | |
1474 | "inhibit-startup-echo-area-message[ \t\n]+" | |
1475 | (regexp-quote | |
1476 | (prin1-to-string | |
bca8c7be | 1477 | (if (equal init-file-user "") |
ed638cc9 RS |
1478 | (user-login-name) |
1479 | init-file-user))) | |
1480 | "[ \t\n]*)") | |
1481 | nil t)) | |
1482 | (error nil)) | |
1483 | (kill-buffer buffer))))) | |
11dd83c8 GM |
1484 | ;; display-splash-screen at the end of command-line-1 calls |
1485 | ;; use-fancy-splash-screens-p. This can cause image.el to be | |
1486 | ;; loaded, putting "Loading image... done" in the echo area. | |
1487 | ;; This hides startup-echo-area-message. So | |
1488 | ;; use-fancy-splash-screens-p is called here simply to get the | |
1489 | ;; loading of image.el (if needed) out of the way before | |
1490 | ;; display-startup-echo-area-message runs. | |
79f9f704 | 1491 | (progn |
79f9f704 GM |
1492 | (use-fancy-splash-screens-p) |
1493 | (display-startup-echo-area-message))) | |
ed638cc9 RS |
1494 | |
1495 | ;; Delay 2 seconds after an init file error message | |
1496 | ;; was displayed, so user can read it. | |
bca8c7be MS |
1497 | (when init-file-had-error |
1498 | (sit-for 2)) | |
1499 | ||
1500 | (when command-line-args-left | |
1501 | ;; We have command args; process them. | |
1502 | (let ((dir command-line-default-directory) | |
1503 | (file-count 0) | |
1504 | first-file-buffer | |
1505 | tem | |
b9687971 TTN |
1506 | ;; This approach loses for "-batch -L DIR --eval "(require foo)", |
1507 | ;; if foo is intended to be found in DIR. | |
1508 | ;; | |
1509 | ;; ;; The directories listed in --directory/-L options will *appear* | |
1510 | ;; ;; at the front of `load-path' in the order they appear on the | |
1511 | ;; ;; command-line. We cannot do this by *placing* them at the front | |
1512 | ;; ;; in the order they appear, so we need this variable to hold them, | |
1513 | ;; ;; temporarily. | |
1514 | ;; extra-load-path | |
1515 | ;; | |
1516 | ;; To DTRT we keep track of the splice point and modify `load-path' | |
1517 | ;; straight away upon any --directory/-L option. | |
1518 | splice | |
bca8c7be MS |
1519 | just-files ;; t if this follows the magic -- option. |
1520 | ;; This includes our standard options' long versions | |
1521 | ;; and long versions of what's on command-switch-alist. | |
1522 | (longopts | |
1523 | (append '(("--funcall") ("--load") ("--insert") ("--kill") | |
1524 | ("--directory") ("--eval") ("--execute") ("--no-splash") | |
1525 | ("--find-file") ("--visit") ("--file")) | |
1526 | (mapcar (lambda (elt) | |
1527 | (list (concat "-" (car elt)))) | |
1528 | command-switch-alist))) | |
1529 | (line 0) | |
1530 | (column 0)) | |
1531 | ||
1532 | ;; Add the long X options to longopts. | |
1533 | (dolist (tem command-line-x-option-alist) | |
1534 | (if (string-match "^--" (car tem)) | |
1535 | (push (list (car tem)) longopts))) | |
1536 | ||
1537 | ;; Loop, processing options. | |
1538 | (while command-line-args-left | |
1539 | (let* ((argi (car command-line-args-left)) | |
1540 | (orig-argi argi) | |
1541 | argval completion) | |
1542 | (setq command-line-args-left (cdr command-line-args-left)) | |
1543 | ||
1544 | ;; Do preliminary decoding of the option. | |
1545 | (if just-files | |
1546 | ;; After --, don't look for options; treat all args as files. | |
1547 | (setq argi "") | |
1548 | ;; Convert long options to ordinary options | |
1549 | ;; and separate out an attached option argument into argval. | |
1550 | (when (string-match "^\\(--[^=]*\\)=" argi) | |
1551 | (setq argval (substring argi (match-end 0)) | |
1552 | argi (match-string 1 argi))) | |
1553 | (if (equal argi "--") | |
1554 | (setq completion nil) | |
1555 | (setq completion (try-completion argi longopts))) | |
1556 | (if (eq completion t) | |
1557 | (setq argi (substring argi 1)) | |
1558 | (if (stringp completion) | |
1559 | (let ((elt (assoc completion longopts))) | |
1560 | (or elt | |
1561 | (error "Option `%s' is ambiguous" argi)) | |
1562 | (setq argi (substring (car elt) 1))) | |
1563 | (setq argval nil | |
1564 | argi orig-argi)))) | |
1565 | ||
1566 | ;; Execute the option. | |
1567 | (cond ((setq tem (assoc argi command-switch-alist)) | |
1568 | (if argval | |
1569 | (let ((command-line-args-left | |
1570 | (cons argval command-line-args-left))) | |
1571 | (funcall (cdr tem) argi)) | |
1572 | (funcall (cdr tem) argi))) | |
1573 | ||
1574 | ((equal argi "-no-splash") | |
1575 | (setq inhibit-startup-message t)) | |
1576 | ||
1577 | ((member argi '("-f" ; what the manual claims | |
1578 | "-funcall" | |
1579 | "-e")) ; what the source used to say | |
1580 | (setq tem (intern (or argval (pop command-line-args-left)))) | |
f39864ec | 1581 | (if (commandp tem) |
bca8c7be MS |
1582 | (command-execute tem) |
1583 | (funcall tem))) | |
1584 | ||
1585 | ((member argi '("-eval" "-execute")) | |
1586 | (eval (read (or argval (pop command-line-args-left))))) | |
bca8c7be MS |
1587 | |
1588 | ((member argi '("-L" "-directory")) | |
b9687971 TTN |
1589 | (setq tem (expand-file-name |
1590 | (command-line-normalize-file-name | |
1591 | (or argval (pop command-line-args-left))))) | |
1592 | (cond (splice (setcdr splice (cons tem (cdr splice))) | |
1593 | (setq splice (cdr splice))) | |
1594 | (t (setq load-path (cons tem load-path) | |
1595 | splice load-path)))) | |
bca8c7be MS |
1596 | |
1597 | ((member argi '("-l" "-load")) | |
1598 | (let* ((file (command-line-normalize-file-name | |
1599 | (or argval (pop command-line-args-left)))) | |
1600 | ;; Take file from default dir if it exists there; | |
1601 | ;; otherwise let `load' search for it. | |
1602 | (file-ex (expand-file-name file))) | |
1603 | (when (file-exists-p file-ex) | |
1604 | (setq file file-ex)) | |
1605 | (load file nil t))) | |
1606 | ||
1607 | ((equal argi "-insert") | |
1608 | (setq tem (or argval (pop command-line-args-left))) | |
1609 | (or (stringp tem) | |
1610 | (error "File name omitted from `-insert' option")) | |
1611 | (insert-file-contents (command-line-normalize-file-name tem))) | |
1612 | ||
1613 | ((equal argi "-kill") | |
1614 | (kill-emacs t)) | |
1615 | ||
1616 | ((string-match "^\\+[0-9]+\\'" argi) | |
1617 | (setq line (string-to-int argi))) | |
1618 | ||
1619 | ((string-match "^\\+\\([0-9]+\\):\\([0-9]+\\)\\'" argi) | |
1620 | (setq line (string-to-int (match-string 1 argi)) | |
1621 | column (string-to-int (match-string 2 argi)))) | |
1622 | ||
1623 | ((setq tem (assoc argi command-line-x-option-alist)) | |
1624 | ;; Ignore X-windows options and their args if not using X. | |
1625 | (setq command-line-args-left | |
1626 | (nthcdr (nth 1 tem) command-line-args-left))) | |
1627 | ||
1628 | ((member argi '("-find-file" "-file" "-visit")) | |
1629 | ;; An explicit option to specify visiting a file. | |
1630 | (setq tem (or argval (pop command-line-args-left))) | |
1631 | (unless (stringp tem) | |
1632 | (error "File name omitted from `%s' option" argi)) | |
1633 | (setq file-count (1+ file-count)) | |
1634 | (let ((file (expand-file-name | |
1635 | (command-line-normalize-file-name tem) dir))) | |
1636 | (if (= file-count 1) | |
1637 | (setq first-file-buffer (find-file file)) | |
1638 | (find-file-other-window file))) | |
1639 | (or (zerop line) | |
1640 | (goto-line line)) | |
1641 | (setq line 0) | |
1642 | (unless (< column 1) | |
1643 | (move-to-column (1- column))) | |
1644 | (setq column 0)) | |
1645 | ||
1646 | ((equal argi "--") | |
1647 | (setq just-files t)) | |
1648 | (t | |
1649 | ;; We have almost exhausted our options. See if the | |
1650 | ;; user has made any other command-line options available | |
1651 | (let ((hooks command-line-functions) ;; lrs 7/31/89 | |
1652 | (did-hook nil)) | |
1653 | (while (and hooks | |
1654 | (not (setq did-hook (funcall (car hooks))))) | |
1655 | (setq hooks (cdr hooks))) | |
1656 | (if (not did-hook) | |
1657 | ;; Presume that the argument is a file name. | |
1658 | (progn | |
1659 | (if (string-match "\\`-" argi) | |
1660 | (error "Unknown option `%s'" argi)) | |
1661 | (setq file-count (1+ file-count)) | |
1662 | (let ((file | |
1663 | (expand-file-name | |
1664 | (command-line-normalize-file-name orig-argi) | |
1665 | dir))) | |
1666 | (if (= file-count 1) | |
1667 | (setq first-file-buffer (find-file file)) | |
1668 | (find-file-other-window file))) | |
1669 | (or (zerop line) | |
1670 | (goto-line line)) | |
1671 | (setq line 0) | |
1672 | (unless (< column 1) | |
1673 | (move-to-column (1- column))) | |
1674 | (setq column 0)))))))) | |
1675 | ||
bca8c7be MS |
1676 | ;; If 3 or more files visited, and not all visible, |
1677 | ;; show user what they all are. But leave the last one current. | |
1678 | (and (> file-count 2) | |
1679 | (not noninteractive) | |
1680 | (not inhibit-startup-buffer-menu) | |
1681 | (or (get-buffer-window first-file-buffer) | |
1682 | (list-buffers))))) | |
eae91b60 RS |
1683 | |
1684 | ;; Maybe display a startup screen. | |
e2c60824 KS |
1685 | (unless (or inhibit-startup-message |
1686 | noninteractive | |
1687 | emacs-quick-startup | |
eae91b60 RS |
1688 | ;; Don't display startup screen if init file |
1689 | ;; has started some sort of server. | |
e2c60824 KS |
1690 | (and (fboundp 'process-list) |
1691 | (process-list))) | |
eae91b60 RS |
1692 | ;; Display a startup screen, after some preparations. |
1693 | ||
1694 | ;; If there are no switches to process, we might as well | |
1695 | ;; run this hook now, and there may be some need to do it | |
1696 | ;; before doing any output. | |
deebb0e9 | 1697 | (run-hooks 'emacs-startup-hook) |
eae91b60 RS |
1698 | (and term-setup-hook |
1699 | (run-hooks 'term-setup-hook)) | |
deebb0e9 | 1700 | (setq inhibit-startup-hooks t) |
eae91b60 RS |
1701 | |
1702 | ;; It's important to notice the user settings before we | |
1703 | ;; display the startup message; otherwise, the settings | |
1704 | ;; won't take effect until the user gives the first | |
1705 | ;; keystroke, and that's distracting. | |
1706 | (when (fboundp 'frame-notice-user-settings) | |
1707 | (frame-notice-user-settings)) | |
1708 | ||
1709 | ;; If there are no switches to process, we might as well | |
1710 | ;; run this hook now, and there may be some need to do it | |
1711 | ;; before doing any output. | |
1712 | (when window-setup-hook | |
1713 | (run-hooks 'window-setup-hook) | |
1714 | ;; Don't let the hook be run twice. | |
1715 | (setq window-setup-hook nil)) | |
1716 | ||
1717 | ;; Do this now to avoid an annoying delay if the user | |
1718 | ;; clicks the menu bar during the sit-for. | |
1719 | (when (display-popup-menus-p) | |
1720 | (precompute-menubar-bindings)) | |
d759a2f5 RS |
1721 | (with-no-warnings |
1722 | (setq menubar-bindings-done t)) | |
ed638cc9 | 1723 | |
eae91b60 RS |
1724 | ;; If *scratch* is selected and it is empty, insert an |
1725 | ;; initial message saying not to create a file there. | |
1726 | (when (and initial-scratch-message | |
bca8c7be | 1727 | (equal (buffer-name) "*scratch*") |
ed638cc9 | 1728 | (= 0 (buffer-size))) |
eae91b60 RS |
1729 | (insert initial-scratch-message) |
1730 | (set-buffer-modified-p nil)) | |
ed638cc9 | 1731 | |
eae91b60 RS |
1732 | ;; If user typed input during all that work, |
1733 | ;; abort the startup screen. Otherwise, display it now. | |
c61453ea PJ |
1734 | (unless (input-pending-p) |
1735 | (display-splash-screen)))) | |
c88ab9ce | 1736 | |
49939379 | 1737 | |
47c7adae RS |
1738 | (defun command-line-normalize-file-name (file) |
1739 | "Collapse multiple slashes to one, to handle non-Emacs file names." | |
6b9e794f RS |
1740 | (save-match-data |
1741 | ;; Use arg 1 so that we don't collapse // at the start of the file name. | |
1742 | ;; That is significant on some systems. | |
1743 | ;; However, /// at the beginning is supposed to mean just /, not //. | |
1744 | (if (string-match "^///+" file) | |
1745 | (setq file (replace-match "/" t t file))) | |
1746 | (while (string-match "//+" file 1) | |
1747 | (setq file (replace-match "/" t t file))) | |
1748 | file)) | |
47c7adae | 1749 | |
a3194d03 | 1750 | ;; arch-tag: 7e294698-244d-4758-984b-4047f887a5db |
c88ab9ce | 1751 | ;;; startup.el ends here |