1 ;;; startup.el --- process Emacs shell arguments
3 ;; Copyright (C) 1985, 1986, 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
4 ;; 2001, 2002, 2004, 2005 Free Software Foundation, Inc.
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software; you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation; either version 2, or (at your option)
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.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
24 ;; Boston, MA 02111-1307, USA.
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.
34 (setq top-level
'(normal-top-level))
36 (defvar command-line-processed nil
37 "Non-nil once command line has been processed.")
39 (defgroup initialization nil
40 "Emacs start-up procedure"
43 (defcustom inhibit-startup-message nil
44 "*Non-nil inhibits the initial startup message.
45 This is for use in your personal init file, once you are familiar
46 with the contents of the startup message."
48 :group
'initialization
)
50 (defvaralias 'inhibit-splash-screen
'inhibit-startup-message
)
52 (defcustom inhibit-startup-echo-area-message nil
53 "*Non-nil inhibits the initial startup echo area message.
54 Setting this variable takes effect
55 only if you do it with the customization buffer
56 or if your `.emacs' file contains a line of this form:
57 (setq inhibit-startup-echo-area-message \"YOUR-USER-NAME\")
58 If your `.emacs' file is byte-compiled, use the following form instead:
59 (eval '(setq inhibit-startup-echo-area-message \"YOUR-USER-NAME\"))
60 Thus, someone else using a copy of your `.emacs' file will see
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
)
66 (defcustom inhibit-default-init nil
67 "*Non-nil inhibits loading the `default' library."
69 :group
'initialization
)
71 (defcustom inhibit-startup-buffer-menu nil
72 "*Non-nil inhibits display of buffer list when more than 2 files are loaded."
74 :group
'initialization
)
76 (defvar command-switch-alist nil
77 "Alist of command-line switches.
78 Elements look like (SWITCH-STRING . HANDLER-FUNCTION).
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'.")
82 (defvar command-line-args-left nil
83 "List of command-line args not yet processed.")
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
88 `argi' (the current argument) and `command-line-args-left' (the remaining
89 arguments). The function should return non-nil only if it recognizes and
90 processes `argi'. If it does so, it may consume successive arguments by
91 altering `command-line-args-left' to remove them.")
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.")
97 ;;; This is here, rather than in x-win.el, so that we can ignore these
98 ;;; options when we are not using X.
99 (defconst command-line-x-option-alist
100 '(("-bw" 1 x-handle-numeric-switch border-width
)
101 ("-d" 1 x-handle-display
)
102 ("-display" 1 x-handle-display
)
103 ("-name" 1 x-handle-name-switch
)
104 ("-title" 1 x-handle-switch title
)
105 ("-T" 1 x-handle-switch title
)
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
)
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
)
115 ("-ib" 1 x-handle-numeric-switch internal-border-width
)
116 ("-g" 1 x-handle-geometry
)
117 ("-lsp" 1 x-handle-numeric-switch line-spacing
)
118 ("-geometry" 1 x-handle-geometry
)
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
)
134 ("--name" 1 x-handle-name-switch
)
135 ("--title" 1 x-handle-switch title
)
136 ("--reverse-video" 0 x-handle-switch reverse t
)
137 ("--font" 1 x-handle-switch font
)
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
)
141 ("--internal-border" 1 x-handle-numeric-switch internal-border-width
)
142 ("--geometry" 1 x-handle-geometry
)
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
)
151 ("--line-spacing" 1 x-handle-numeric-switch line-spacing
)
152 ("--border-color" 1 x-handle-switch border-color
)
153 ("--smid" 1 x-handle-smid
))
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).")
163 (defvar before-init-hook nil
164 "Normal hook run after handling urgent options but before loading init files.")
166 (defvar after-init-hook nil
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.")
172 (defvar emacs-startup-hook nil
173 "Normal hook run after loading init files and handling the command line.")
175 (defvar term-setup-hook nil
176 "Normal hook run after loading terminal-specific Lisp code.
177 It also follows `emacs-startup-hook'. This hook exists for users to set,
178 so as to override the definitions made by the terminal-specific file.
179 Emacs never sets this variable itself.")
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.")
185 (defvar keyboard-type nil
186 "The brand of keyboard you are using.
187 This variable is used to define
188 the proper function and keypad keys for use under X. It is used in a
189 fashion analogous to the environment variable TERM.")
191 (defvar window-setup-hook nil
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.")
196 (defcustom initial-major-mode
'lisp-interaction-mode
197 "Major mode command symbol to use for the initial *scratch* buffer."
199 :group
'initialization
)
201 (defcustom init-file-user nil
202 "Identity of user whose `.emacs' file is or was read.
203 The value is nil if `-q' or `--no-init-file' was specified,
204 meaning do not load any init file.
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.
210 In either of the latter cases, `(concat \"~\" init-file-user \"/\")'
211 evaluates to the name of the directory where the `.emacs' file was
214 Setting `init-file-user' does not prevent Emacs from loading
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
)
219 (defcustom site-run-file
"site-start"
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
223 higher incidence of change, don't make sense to load into Emacs's
224 dumped image. Thus, the run-time load order is: 1. file described in
225 this variable, if non-nil; 2. `~/.emacs'; 3. `default.el'.
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
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."
238 :type
'(choice (const :tag
"none" nil
) string
)
239 :group
'initialization
240 :initialize
'custom-initialize-default
241 :set
'(lambda (variable value
)
242 (error "Customizing `site-run-file' does not work")))
244 (defcustom mail-host-address nil
245 "*Name of this machine, for purposes of naming users."
246 :type
'(choice (const nil
) string
)
249 (defcustom user-mail-address
(if command-line-processed
250 (concat (user-login-name) "@"
251 (or mail-host-address
253 ;; Empty string means "not set yet".
255 "*Full mailing address of this user.
256 This is initialized based on `mail-host-address',
257 after your init file is read, in case it sets `mail-host-address'."
261 (defcustom auto-save-list-file-prefix
262 (cond ((eq system-type
'ms-dos
)
263 ;; MS-DOS cannot have initial dot, and allows only 8.3 names
264 "~/_emacs.d/auto-save.list/_s")
266 "~/.emacs.d/auto-save-list/.saves-"))
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.
271 Directories in the prefix will be created if necessary.
272 Set this to nil if you want to prevent `auto-save-list-file-name'
273 from being initialized."
274 :type
'(choice (const :tag
"Don't record a session's auto save list" nil
)
278 (defvar emacs-quick-startup nil
)
280 (defvar emacs-basic-display nil
)
282 (defvar init-file-debug nil
)
284 (defvar init-file-had-error nil
)
286 (defvar normal-top-level-add-subdirs-inode-list nil
)
288 (defvar no-blinking-cursor nil
)
290 (defvar pure-space-overflow nil
291 "Non-nil if building Emacs overflowed pure space.")
293 (defun normal-top-level-add-subdirs-to-load-path ()
294 "Add all subdirectories of current directory to `load-path'.
295 More precisely, this uses only the subdirectories whose names
296 start with letters or digits; it excludes any subdirectory named `RCS'
297 or `CVS', and any subdirectory that contains a file named `.nosearch'."
300 (pending (list default-directory
)))
301 ;; This loop does a breadth-first tree walk on DIR's subtree,
302 ;; putting each subdir into DIRS as its contents are examined.
304 (push (pop pending
) dirs
)
305 (let* ((this-dir (car dirs
))
306 (contents (directory-files this-dir
))
307 (default-directory this-dir
)
308 (canonicalized (if (fboundp 'untranslated-canonical-name
)
309 (untranslated-canonical-name this-dir
))))
310 ;; The Windows version doesn't report meaningful inode
311 ;; numbers, so use the canonicalized absolute file name of the
312 ;; directory instead.
313 (setq attrs
(or canonicalized
314 (nthcdr 10 (file-attributes this-dir
))))
315 (unless (member attrs normal-top-level-add-subdirs-inode-list
)
316 (push attrs normal-top-level-add-subdirs-inode-list
)
317 (dolist (file contents
)
318 ;; The lower-case variants of RCS and CVS are for DOS/Windows.
319 (unless (member file
'("." ".." "RCS" "CVS" "rcs" "cvs"))
320 (when (and (string-match "\\`[[:alnum:]]" file
)
321 ;; Avoid doing a `stat' when it isn't necessary
322 ;; because that can cause trouble when an NFS server
324 (not (string-match "\\.elc?\\'" file
))
325 (file-directory-p file
))
326 (let ((expanded (expand-file-name file
)))
327 (unless (file-exists-p (expand-file-name ".nosearch"
329 (setq pending
(nconc pending
(list expanded
)))))))))))
330 (normal-top-level-add-to-load-path (cdr (nreverse dirs
)))))
332 ;; This function is called from a subdirs.el file.
333 ;; It assumes that default-directory is the directory
334 ;; in which the subdirs.el file exists,
335 ;; and it adds to load-path the subdirs of that directory
336 ;; as specified in DIRS. Normally the elements of DIRS are relative.
337 (defun normal-top-level-add-to-load-path (dirs)
338 (let ((tail load-path
)
339 (thisdir (directory-file-name default-directory
)))
341 ;;Don't go all the way to the nil terminator.
343 (not (equal thisdir
(car tail
)))
344 (not (and (memq system-type
'(ms-dos windows-nt
))
345 (equal (downcase thisdir
) (downcase (car tail
))))))
346 (setq tail
(cdr tail
)))
347 ;;Splice the new section in.
349 (setcdr tail
(append (mapcar 'expand-file-name dirs
) (cdr tail
))))))
351 (defun normal-top-level ()
352 (if command-line-processed
353 (message "Back to top level.")
354 (setq command-line-processed t
)
355 ;; Give *Messages* the same default-directory as *scratch*,
356 ;; just to keep things predictable.
357 (let ((dir default-directory
))
358 (with-current-buffer "*Messages*"
359 (setq default-directory dir
)))
360 ;; `user-full-name' is now known; reset its standard-value here.
361 (put 'user-full-name
'standard-value
362 (list (default-value 'user-full-name
)))
363 ;; For root, preserve owner and group when editing files.
364 (if (equal (user-uid) 0)
365 (setq backup-by-copying-when-mismatch t
))
366 ;; Look in each dir in load-path for a subdirs.el file.
367 ;; If we find one, load it, which will add the appropriate subdirs
368 ;; of that dir into load-path,
369 ;; Look for a leim-list.el file too. Loading it will register
370 ;; available input methods.
371 (let ((tail load-path
) dir
)
373 (setq dir
(car tail
))
374 (let ((default-directory dir
))
375 (load (expand-file-name "subdirs.el") t t t
))
376 (let ((default-directory dir
))
377 (load (expand-file-name "leim-list.el") t t t
))
378 ;; We don't use a dolist loop and we put this "setq-cdr" command at
379 ;; the end, because the subdirs.el files may add elements to the end
380 ;; of load-path and we want to take it into account.
381 (setq tail
(cdr tail
))))
382 (unless (eq system-type
'vax-vms
)
383 ;; If the PWD environment variable isn't accurate, delete it.
384 (let ((pwd (getenv "PWD")))
386 ;; Use FOO/., so that if FOO is a symlink, file-attributes
387 ;; describes the directory linked to, not FOO itself.
388 (or (equal (file-attributes
389 (concat (file-name-as-directory pwd
) "."))
391 (concat (file-name-as-directory default-directory
)
393 (setq process-environment
394 (delete (concat "PWD=" pwd
)
395 process-environment
))))))
396 (setq default-directory
(abbreviate-file-name default-directory
))
397 (let ((menubar-bindings-done nil
))
400 ;; Do this again, in case .emacs defined more abbreviations.
401 (setq default-directory
(abbreviate-file-name default-directory
))
402 ;; Specify the file for recording all the auto save files of this session.
403 ;; This is used by recover-session.
404 (or auto-save-list-file-name
405 (and auto-save-list-file-prefix
406 (setq auto-save-list-file-name
407 ;; Under MS-DOS our PID is almost always reused between
408 ;; Emacs invocations. We need something more unique.
409 (cond ((eq system-type
'ms-dos
)
410 ;; We are going to access the auto-save
411 ;; directory, so make sure it exists.
413 (file-name-directory auto-save-list-file-prefix
)
418 auto-save-list-file-prefix
))
423 auto-save-list-file-prefix
426 (unless inhibit-startup-hooks
427 (run-hooks 'emacs-startup-hook
)
429 (run-hooks 'term-setup-hook
)))
431 ;; Don't do this if we failed to create the initial frame,
432 ;; for instance due to a dense colormap.
433 (when (or frame-initial-frame
434 ;; If frame-initial-frame has no meaning, do this anyway.
435 (not (and window-system
437 (not (eq window-system
'pc
)))))
438 ;; Modify the initial frame based on what .emacs puts into
440 (if (fboundp 'frame-notice-user-settings
)
441 (frame-notice-user-settings))
442 (if (fboundp 'frame-set-background-mode
)
443 ;; Set the faces for the initial background mode even if
444 ;; frame-notice-user-settings didn't (such as on a tty).
445 ;; frame-set-background-mode is idempotent, so it won't
446 ;; cause any harm if it's already been done.
447 (let ((frame-background-mode frame-background-mode
)
448 (frame (selected-frame))
450 (when (and (null window-system
)
451 ;; Don't override a possibly customized value.
452 (null frame-background-mode
)
453 ;; Don't override user specifications.
454 (null (frame-parameter frame
'reverse
))
455 (let ((bg (frame-parameter frame
'background-color
)))
457 (member bg
'(unspecified "unspecified-bg")))))
458 (setq term
(getenv "TERM"))
459 ;; Some files in lisp/term do a better job with the
460 ;; background mode, but we leave this here anyway, in
461 ;; case they remove those files.
462 (if (string-match "^\\(xterm\\|rxvt\\|dtterm\\|eterm\\)"
464 (setq frame-background-mode
'light
)))
465 (frame-set-background-mode (selected-frame)))))
467 ;; Now we know the user's default font, so add it to the menu.
468 (if (fboundp 'font-menu-add-default
)
469 (font-menu-add-default))
470 (and window-setup-hook
471 (run-hooks 'window-setup-hook
))
472 (or menubar-bindings-done
473 (if (display-popup-menus-p)
474 (precompute-menubar-bindings)))))))
476 ;; Precompute the keyboard equivalents in the menu bar items.
477 (defun precompute-menubar-bindings ()
478 (let ((submap (lookup-key global-map
[menu-bar
])))
480 (and (consp (car submap
))
481 (symbolp (car (car submap
)))
482 (stringp (car-safe (cdr (car submap
))))
483 (keymapp (cdr (cdr (car submap
))))
485 (x-popup-menu nil
(cdr (cdr (car submap
))))
488 (setq submap
(cdr submap
))))
489 (setq define-key-rebound-commands t
))
491 ;; Command-line options supported by tty's:
492 (defconst tty-long-option-alist
493 '(("--name" .
"-name")
495 ("--reverse-video" .
"-reverse")
496 ("--foreground-color" .
"-fg")
497 ("--background-color" .
"-bg")
498 ("--color" .
"-color")))
500 (defconst tool-bar-images-pixel-height
24
501 "Height in pixels of images in the tool bar.")
503 (defvar tool-bar-originally-present nil
504 "Non-nil if tool-bars are present before user and site init files are read.")
506 ;; Handle the X-like command-line arguments "-fg", "-bg", "-name", etc.
507 (defun tty-handle-args (args)
511 (not (equal (car args
) "--")))
512 (let* ((argi (pop args
))
515 ;; Check for long options with attached arguments
516 ;; and separate out the attached option argument into argval.
517 (when (string-match "^\\(--[^=]*\\)=" argi
)
518 (setq argval
(substring argi
(match-end 0))
519 argi
(match-string 1 argi
)))
520 (when (string-match "^--" argi
)
521 (setq completion
(try-completion argi tty-long-option-alist
))
522 (if (eq completion t
)
523 ;; Exact match for long option.
524 (setq argi
(cdr (assoc argi tty-long-option-alist
)))
525 (if (stringp completion
)
526 (let ((elt (assoc completion tty-long-option-alist
)))
527 ;; Check for abbreviated long option.
529 (error "Option `%s' is ambiguous" argi
))
530 (setq argi
(cdr elt
)))
531 ;; Check for a short option.
534 (cond ((member argi
'("-fg" "-foreground"))
535 (push (cons 'foreground-color
(or argval
(pop args
)))
536 default-frame-alist
))
537 ((member argi
'("-bg" "-background"))
538 (push (cons 'background-color
(or argval
(pop args
)))
539 default-frame-alist
))
540 ((member argi
'("-T" "-name"))
541 (unless argval
(setq argval
(pop args
)))
545 (let ((case-fold-search t
)
547 (setq argval
(invocation-name))
549 ;; Change any . or * characters in name to
550 ;; hyphens, so as to emulate behavior on X.
552 (setq i
(string-match "[.*]" argval
))
555 default-frame-alist
))
556 ((member argi
'("-r" "-rv" "-reverse"))
558 default-frame-alist
))
559 ((equal argi
"-color")
560 (unless argval
(setq argval
8)) ; default --color means 8 ANSI colors
561 (push (cons 'tty-color-mode
563 ((numberp argval
) argval
)
564 ((string-match "-?[0-9]+" argval
)
565 (string-to-number argval
))
566 (t (intern argval
))))
567 default-frame-alist
))
572 (defun command-line ()
573 (setq command-line-default-directory default-directory
)
575 ;; Choose a reasonable location for temporary files.
576 (custom-reevaluate-setting 'temporary-file-directory
)
577 (custom-reevaluate-setting 'small-emporary-file-directory
)
578 (custom-reevaluate-setting 'auto-save-file-name-transforms
)
580 ;; See if we should import version-control from the environment variable.
581 (let ((vc (getenv "VERSION_CONTROL")))
582 (cond ((eq vc nil
)) ;don't do anything if not set
583 ((member vc
'("t" "numbered"))
584 (setq version-control t
))
585 ((member vc
'("nil" "existing"))
586 (setq version-control nil
))
587 ((member vc
'("never" "simple"))
588 (setq version-control
'never
))))
590 ;;! This has been commented out; I currently find the behavior when
591 ;;! split-window-keep-point is nil disturbing, but if I can get used
592 ;;! to it, then it would be better to eliminate the option.
593 ;;! ;; Choose a good default value for split-window-keep-point.
594 ;;! (setq split-window-keep-point (> baud-rate 2400))
596 ;; Set the default strings to display in mode line for
597 ;; end-of-line formats that aren't native to this platform.
599 ((memq system-type
'(ms-dos windows-nt emx
))
600 (setq eol-mnemonic-unix
"(Unix)"
601 eol-mnemonic-mac
"(Mac)"))
602 ;; Both Mac and Unix EOLs are now "native" on Mac OS so keep the
603 ;; abbreviated strings `/' and `:' set in coding.c for them.
604 ((eq system-type
'macos
)
605 (setq eol-mnemonic-dos
"(DOS)"))
606 (t ; this is for Unix/GNU/Linux systems
607 (setq eol-mnemonic-dos
"(DOS)"
608 eol-mnemonic-mac
"(Mac)")))
610 ;; Read window system's init file if using a window system.
611 (condition-case error
612 (if (and window-system
(not noninteractive
))
613 (load (concat term-file-prefix
614 (symbol-name window-system
)
616 ;; Every window system should have a startup file;
617 ;; barf if we can't find it.
619 ;; If we can't read it, print the error message and exit.
622 (if (eq (car error
) 'error
)
623 (apply 'concat
(cdr error
))
624 (if (memq 'file-error
(get (car error
) 'error-conditions
))
627 (mapconcat (lambda (obj) (prin1-to-string obj t
))
628 (cdr (cdr error
)) ", "))
630 (get (car error
) 'error-message
)
631 (mapconcat (lambda (obj) (prin1-to-string obj t
))
633 'external-debugging-output
)
634 (terpri 'external-debugging-output
)
635 (setq window-system nil
)
638 ;; Windowed displays do this inside their *-win.el.
639 (unless (or (display-graphic-p) noninteractive
)
640 (setq command-line-args
(tty-handle-args command-line-args
)))
642 (set-locale-environment nil
)
644 ;; Convert the arguments to Emacs internal representation.
645 (let ((args (cdr command-line-args
)))
648 (decode-coding-string (car args
) locale-coding-system t
))
652 (args (cdr command-line-args
)))
654 ;; Figure out which user's init file to load,
655 ;; either from the environment or from the options.
656 (setq init-file-user
(if noninteractive nil
(user-login-name)))
657 ;; If user has not done su, use current $HOME to find .emacs.
659 (equal init-file-user
(user-real-login-name))
660 (setq init-file-user
""))
662 ;; Process the command-line args, and delete the arguments
663 ;; processed. This is consistent with the way main in emacs.c
665 (while (and (not done
) args
)
666 (let* ((longopts '(("--no-init-file") ("--no-site-file") ("--user")
667 ("--debug-init") ("--iconic") ("--icon-type")
668 ("--no-blinking-cursor") ("--bare-bones")))
672 ;; Handle --OPTION=VALUE format.
673 (when (string-match "^\\(--[^=]*\\)=" argi
)
674 (setq argval
(substring argi
(match-end 0))
675 argi
(match-string 1 argi
)))
676 (unless (equal argi
"--")
677 (let ((completion (try-completion argi longopts
)))
678 (if (eq completion t
)
679 (setq argi
(substring argi
1))
680 (if (stringp completion
)
681 (let ((elt (assoc completion longopts
)))
683 (error "Option `%s' is ambiguous" argi
))
684 (setq argi
(substring (car elt
) 1)))
688 ((member argi
'("-Q" "-quick"))
689 (setq init-file-user nil
691 emacs-quick-startup t
))
692 ((member argi
'("-D" "-basic-display"))
693 (setq no-blinking-cursor t
694 emacs-basic-display t
)
695 (push '(vertical-scroll-bars . nil
) initial-frame-alist
))
696 ((member argi
'("-q" "-no-init-file"))
697 (setq init-file-user nil
))
698 ((member argi
'("-u" "-user"))
699 (setq init-file-user
(or argval
(pop args
))
701 ((equal argi
"-no-site-file")
702 (setq site-run-file nil
))
703 ((equal argi
"-debug-init")
704 (setq init-file-debug t
))
705 ((equal argi
"-iconic")
706 (push '(visibility . icon
) initial-frame-alist
))
707 ((member argi
'("-icon-type" "-i" "-itype"))
708 (push '(icon-type . t
) default-frame-alist
))
709 ((member argi
'("-nbc" "-no-blinking-cursor"))
710 (setq no-blinking-cursor t
))
711 ;; Push the popped arg back on the list of arguments.
715 ;; Was argval set but not used?
717 (error "Option `%s' doesn't allow an argument" argi
))))
719 ;; Re-attach the program name to the front of the arg list.
720 (and command-line-args
721 (setcdr command-line-args args
)))
723 ;; Under X Window, this creates the X frame and deletes the terminal frame.
724 (when (fboundp 'frame-initialize
)
727 ;; Turn off blinking cursor if so specified in X resources. This is here
728 ;; only because all other settings of no-blinking-cursor are here.
729 (unless (or noninteractive
731 (and (memq window-system
'(x w32 mac
))
732 (not (member (x-get-resource "cursorBlink" "CursorBlink")
734 (setq no-blinking-cursor t
))
736 ;; If frame was created with a menu bar, set menu-bar-mode on.
737 (unless (or noninteractive
739 (and (memq window-system
'(x w32
))
740 (<= (frame-parameter nil
'menu-bar-lines
) 0)))
743 ;; If frame was created with a tool bar, switch tool-bar-mode on.
744 (unless (or noninteractive
746 (not (display-graphic-p))
747 (<= (frame-parameter nil
'tool-bar-lines
) 0))
750 ;; Can't do this init in defcustom because the relevant variables
752 (custom-reevaluate-setting 'blink-cursor-mode
)
753 (custom-reevaluate-setting 'normal-erase-is-backspace
)
755 ;; If you change the code below, you need to also change the
756 ;; corresponding code in the tooltip-mode defcustom. The two need
757 ;; to be equivalent under all conditions, or Custom will get confused.
758 (unless (or noninteractive
760 (not (display-graphic-p))
761 (not (fboundp 'x-show-tip
)))
764 ;; Register default TTY colors for the case the terminal hasn't a
765 ;; terminal init file.
766 (unless (memq window-system
'(x w32
))
767 ;; We do this regardles of whether the terminal supports colors
768 ;; or not, since they can switch that support on or off in
769 ;; mid-session by setting the tty-color-mode frame parameter.
770 (tty-register-default-colors))
772 ;; Record whether the tool-bar is present before the user and site
773 ;; init files are processed. frame-notice-user-settings uses this
774 ;; to determine if the tool-bar has been disabled by the init files,
775 ;; and the frame needs to be resized.
776 (when (fboundp 'frame-notice-user-settings
)
777 (let ((tool-bar-lines (or (assq 'tool-bar-lines initial-frame-alist
)
778 (assq 'tool-bar-lines default-frame-alist
))))
779 (setq tool-bar-originally-present
782 (not (eq 0 (cdr tool-bar-lines
)))))))
784 (let ((old-scalable-fonts-allowed scalable-fonts-allowed
)
785 (old-font-list-limit font-list-limit
)
786 (old-face-ignored-fonts face-ignored-fonts
))
788 (run-hooks 'before-init-hook
)
790 ;; Run the site-start library if it exists. The point of this file is
791 ;; that it is run before .emacs. There is no point in doing this after
792 ;; .emacs; that is useless.
794 (load site-run-file t t
))
796 ;; Sites should not disable this. Only individuals should disable
797 ;; the startup message.
798 (setq inhibit-startup-message nil
)
800 ;; Load that user's init file, or the default one, or none.
801 (let (debug-on-error-from-init-file
802 debug-on-error-should-be-set
803 (debug-on-error-initial
804 (if (eq init-file-debug t
) 'startup init-file-debug
))
805 (orig-enable-multibyte default-enable-multibyte-characters
))
806 (let ((debug-on-error debug-on-error-initial
)
807 ;; This function actually reads the init files.
812 (let ((user-init-file-1
814 ((eq system-type
'ms-dos
)
815 (concat "~" init-file-user
"/_emacs"))
816 ((eq system-type
'windows-nt
)
817 ;; Prefer .emacs on Windows.
818 (if (directory-files "~" nil
"^\\.emacs\\(\\.elc?\\)?$")
820 ;; Also support _emacs for compatibility.
821 (if (directory-files "~" nil
"^_emacs\\(\\.elc?\\)?$")
823 ;; But default to .emacs if _emacs does not exist.
825 ((eq system-type
'vax-vms
)
828 (concat "~" init-file-user
"/.emacs")))))
829 ;; This tells `load' to store the file name found
830 ;; into user-init-file.
831 (setq user-init-file t
)
832 (load user-init-file-1 t t
)
834 (when (eq user-init-file t
)
835 ;; If we did not find ~/.emacs, try
836 ;; ~/.emacs.d/.emacs.
839 (file-name-nondirectory user-init-file-1
)
840 (file-name-as-directory
843 (file-name-directory user-init-file-1
))))))
846 ;; If we did not find the user's init file,
847 ;; set user-init-file conclusively.
848 ;; Don't let it be set from default.el.
849 (when (eq user-init-file t
)
850 (setq user-init-file user-init-file-1
))))
852 ;; If we loaded a compiled file, set
853 ;; `user-init-file' to the source version if that
855 (when (and user-init-file
856 (equal (file-name-extension user-init-file
)
858 (let* ((source (file-name-sans-extension user-init-file
))
859 (alt (concat source
".el")))
860 (setq source
(cond ((file-exists-p alt
) alt
)
861 ((file-exists-p source
) source
)
864 (when (file-newer-than-file-p source user-init-file
)
865 (message "Warning: %s is newer than %s"
866 source user-init-file
)
868 (setq user-init-file source
))))
870 (unless inhibit-default-init
871 (let ((inhibit-startup-message nil
))
872 ;; Users are supposed to be told their rights.
873 ;; (Plus how to get help and how to undo.)
874 ;; Don't you dare turn this off for anyone
876 (load "default" t t
)))))))))
878 ;; Do this without a condition-case if the user wants to debug.
880 (condition-case error
883 (setq init-file-had-error nil
))
885 (let ((message-log-max nil
))
887 (set-buffer (get-buffer-create "*Messages*"))
889 (format "An error has occurred while loading `%s':\n\n"
892 (get (car error
) 'error-message
)
893 (if (cdr error
) ": " "")
894 (mapconcat (lambda (s) (prin1-to-string s t
)) (cdr error
) ", "))
896 "To ensure normal operation, you should investigate and remove the\n"
897 "cause of the error in your initialization file. Start Emacs with\n"
898 "the `--debug-init' option to view a complete error backtrace.\n\n"))
899 (message "Error in init file: %s%s%s"
900 (get (car error
) 'error-message
)
901 (if (cdr error
) ": " "")
902 (mapconcat 'prin1-to-string
(cdr error
) ", "))
903 (let ((pop-up-windows nil
))
904 (pop-to-buffer "*Messages*"))
905 (setq init-file-had-error t
)))))
907 ;; If the user has a file of abbrevs, read it.
908 (if (file-exists-p abbrev-file-name
)
909 (quietly-read-abbrev-file abbrev-file-name
))
911 ;; If the abbrevs came entirely from the init file or the
912 ;; abbrevs file, they do not need saving.
913 (setq abbrevs-changed nil
)
915 ;; If we can tell that the init file altered debug-on-error,
916 ;; arrange to preserve the value that it set up.
917 (or (eq debug-on-error debug-on-error-initial
)
918 (setq debug-on-error-should-be-set t
919 debug-on-error-from-init-file debug-on-error
)))
920 (if debug-on-error-should-be-set
921 (setq debug-on-error debug-on-error-from-init-file
))
922 (unless (or default-enable-multibyte-characters
923 (eq orig-enable-multibyte default-enable-multibyte-characters
))
924 ;; Init file changed to unibyte. Reset existing multibyte
925 ;; buffers (probably *scratch*, *Messages*, *Minibuff-0*).
926 ;; Arguably this should only be done if they're free of
927 ;; multibyte characters.
928 (mapcar (lambda (buffer)
929 (with-current-buffer buffer
930 (if enable-multibyte-characters
931 (set-buffer-multibyte nil
))))
933 ;; Also re-set the language environment in case it was
934 ;; originally done before unibyte was set and is sensitive to
935 ;; unibyte (display table, terminal coding system &c).
936 (set-language-environment current-language-environment
)))
938 ;; Do this here in case the init file sets mail-host-address.
939 (if (equal user-mail-address
"")
940 (setq user-mail-address
(concat (user-login-name) "@"
941 (or mail-host-address
944 ;; If parameter have been changed in the init file which influence
945 ;; face realization, clear the face cache so that new faces will
947 (unless (and (eq scalable-fonts-allowed old-scalable-fonts-allowed
)
948 (eq font-list-limit old-font-list-limit
)
949 (eq face-ignored-fonts old-face-ignored-fonts
))
952 (run-hooks 'after-init-hook
)
954 ;; Decode all default-directory.
955 (if (and default-enable-multibyte-characters locale-coding-system
)
957 (dolist (elt (buffer-list))
959 (if default-directory
960 (setq default-directory
961 (decode-coding-string default-directory
962 locale-coding-system t
))))
963 (setq command-line-default-directory
964 (decode-coding-string command-line-default-directory
965 locale-coding-system t
))))
967 ;; If *scratch* exists and init file didn't change its mode, initialize it.
968 (if (get-buffer "*scratch*")
969 (with-current-buffer "*scratch*"
970 (if (eq major-mode
'fundamental-mode
)
971 (funcall initial-major-mode
))))
973 ;; Load library for our terminal type.
974 ;; User init file can set term-file-prefix to nil to prevent this.
975 (unless (or noninteractive
977 (null term-file-prefix
))
978 (let ((term (getenv "TERM"))
981 (not (load (concat term-file-prefix term
) t t
)))
982 ;; Strip off last hyphen and what follows, then try again
984 (if (setq hyphend
(string-match "[-_][^-_]+$" term
))
985 (substring term
0 hyphend
)
988 ;; Update the out-of-memory error message based on user's key bindings
989 ;; for save-some-buffers.
990 (setq memory-signal-data
992 (substitute-command-keys "Memory exhausted--use \\[save-some-buffers] then exit and restart Emacs")))
994 ;; Process the remaining args.
995 (command-line-1 (cdr command-line-args
))
997 ;; If -batch, terminate after processing the command options.
998 (if noninteractive
(kill-emacs t
))
1000 ;; Run emacs-session-restore (session management) if started by
1001 ;; the session manager and we have a session manager connection.
1002 (if (and (boundp 'x-session-previous-id
)
1003 (stringp x-session-previous-id
))
1005 (emacs-session-restore x-session-previous-id
))))
1007 (defcustom initial-scratch-message
(purecopy "\
1008 ;; This buffer is for notes you don't want to save, and for Lisp evaluation.
1009 ;; If you want to create a file, visit that file with C-x C-f,
1010 ;; then enter the text in that file's own buffer.
1013 "Initial message displayed in *scratch* buffer at startup.
1014 If this is nil, no message will be displayed."
1015 :type
'(choice (text :tag
"Message")
1016 (const :tag
"none" nil
))
1017 :group
'initialization
)
1020 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
1021 ;;; Fancy splash screen
1022 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
1024 (defvar fancy-splash-text
1025 '((:face variable-pitch
1026 "You can do basic editing with the menu bar and scroll bar \
1027 using the mouse.\n\n"
1028 :face
(variable-pitch :weight bold
)
1029 "Important Help menu items:\n"
1030 :face variable-pitch
1032 (let* ((en "TUTORIAL")
1033 (tut (or (get-language-info current-language-environment
1036 (title (with-temp-buffer
1037 (insert-file-contents
1038 (expand-file-name tut data-directory
)
1040 (search-forward ".")
1041 (buffer-substring (point-min) (1- (point))))))
1042 ;; If there is a specific tutorial for the current language
1043 ;; environment and it is not English, append its title.
1045 "Emacs Tutorial\tLearn how to use Emacs efficiently"
1046 (if (string= en tut
)
1048 (concat " (" title
")"))
1050 :face variable-pitch
"\
1051 Emacs FAQ\tFrequently asked questions and answers
1052 Read the Emacs Manual\tView the Emacs manual using Info
1053 \(Non)Warranty\tGNU Emacs comes with "
1054 :face
(variable-pitch :slant oblique
)
1055 "ABSOLUTELY NO WARRANTY\n"
1056 :face variable-pitch
1058 Copying Conditions\tConditions for redistributing and changing Emacs
1059 More Manuals / Ordering Manuals Buying printed manuals from the FSF\n")
1060 (:face variable-pitch
1061 "You can do basic editing with the menu bar and scroll bar \
1062 using the mouse.\n\n"
1063 :face
(variable-pitch :weight bold
)
1064 "Useful File menu items:\n"
1065 :face variable-pitch
"\
1066 Exit Emacs\t(Or type Control-x followed by Control-c)
1067 Recover Crashed Session\tRecover files you were editing before a crash
1074 "A list of texts to show in the middle part of splash screens.
1075 Each element in the list should be a list of strings or pairs
1076 `:face FACE', like `fancy-splash-insert' accepts them.")
1079 (defgroup fancy-splash-screen
()
1080 "Fancy splash screen when Emacs starts."
1082 :group
'initialization
)
1085 (defcustom fancy-splash-delay
7
1086 "*Delay in seconds between splash screens."
1087 :group
'fancy-splash-screen
1091 (defcustom fancy-splash-max-time
30
1092 "*Show splash screens for at most this number of seconds.
1093 Values less than twice `fancy-splash-delay' are ignored."
1094 :group
'fancy-splash-screen
1098 (defcustom fancy-splash-image nil
1099 "*The image to show in the splash screens, or nil for defaults."
1100 :group
'fancy-splash-screen
1101 :type
'(choice (const :tag
"Default" nil
)
1102 (file :tag
"File")))
1105 ;; These are temporary storage areas for the splash screen display.
1107 (defvar fancy-current-text nil
)
1108 (defvar fancy-splash-help-echo nil
)
1109 (defvar fancy-splash-stop-time nil
)
1110 (defvar fancy-splash-outer-buffer nil
)
1112 (defun fancy-splash-insert (&rest args
)
1113 "Insert text into the current buffer, with faces.
1114 Arguments from ARGS should be either strings, functions called
1115 with no args that return a string, or pairs `:face FACE',
1116 where FACE is a valid face specification, as it can be used with
1117 `put-text-property'."
1118 (let ((current-face nil
))
1120 (if (eq (car args
) :face
)
1121 (setq args
(cdr args
) current-face
(car args
))
1122 (insert (propertize (let ((it (car args
)))
1127 'help-echo fancy-splash-help-echo
)))
1128 (setq args
(cdr args
)))))
1131 (defun fancy-splash-head ()
1132 "Insert the head part of the splash screen into the current buffer."
1133 (let* ((image-file (cond ((stringp fancy-splash-image
)
1135 ((and (display-color-p)
1136 (image-type-available-p 'xpm
))
1137 (if (and (fboundp 'x-display-planes
)
1138 (= (funcall 'x-display-planes
) 8))
1142 (img (create-image image-file
))
1143 (image-width (and img
(car (image-size img
))))
1144 (window-width (window-width (selected-window))))
1146 (when (> window-width image-width
)
1147 ;; Center the image in the window.
1148 (insert (propertize " " 'display
1149 `(space :align-to
(+ center
(-0.5 .
,img
)))))
1151 ;; Change the color of the XPM version of the splash image
1152 ;; so that it is visible with a dark frame background.
1153 (when (and (memq 'xpm img
)
1154 (eq (frame-parameter nil
'background-mode
) 'dark
))
1155 (setq img
(append img
'(:color-symbols
(("#000000" .
"gray30"))))))
1157 ;; Insert the image with a help-echo and a keymap.
1158 (let ((map (make-sparse-keymap))
1159 (help-echo "mouse-2: browse http://www.gnu.org/"))
1160 (define-key map
[mouse-2
]
1163 (browse-url "http://www.gnu.org/")
1165 (define-key map
[down-mouse-2
] 'ignore
)
1166 (define-key map
[up-mouse-2
] 'ignore
)
1167 (insert-image img
(propertize "xxx" 'help-echo help-echo
1170 (fancy-splash-insert
1171 :face
'(variable-pitch :foreground
"red")
1172 (if (eq system-type
'gnu
/linux
)
1173 "GNU Emacs is one component of the GNU/Linux operating system."
1174 "GNU Emacs is one component of the GNU operating system."))
1176 (unless (equal (buffer-name fancy-splash-outer-buffer
) "*scratch*")
1177 (fancy-splash-insert :face
'variable-pitch
1178 (substitute-command-keys
1179 "Type \\[recenter] to begin editing your file.\n"))))
1182 (defun fancy-splash-tail ()
1183 "Insert the tail part of the splash screen into the current buffer."
1184 (let ((fg (if (eq (frame-parameter nil
'background-mode
) 'dark
)
1185 "cyan" "darkblue")))
1186 (fancy-splash-insert :face
`(variable-pitch :foreground
,fg
)
1190 :face
'(variable-pitch :height
0.5)
1191 "Copyright (C) 2005 Free Software Foundation, Inc.")
1192 (and auto-save-list-file-prefix
1193 ;; Don't signal an error if the
1194 ;; directory for auto-save-list files
1195 ;; does not yet exist.
1196 (file-directory-p (file-name-directory
1197 auto-save-list-file-prefix
))
1199 (file-name-directory auto-save-list-file-prefix
)
1202 (regexp-quote (file-name-nondirectory
1203 auto-save-list-file-prefix
)))
1205 (fancy-splash-insert :face
'(variable-pitch :foreground
"red")
1206 "\n\nIf an Emacs session crashed recently, "
1207 "type M-x recover-session RET\nto recover"
1208 " the files you were editing."))))
1210 (defun fancy-splash-screens-1 (buffer)
1211 "Timer function displaying a splash screen."
1212 (when (> (float-time) fancy-splash-stop-time
)
1213 (throw 'stop-splashing nil
))
1214 (unless fancy-current-text
1215 (setq fancy-current-text fancy-splash-text
))
1216 (let ((text (car fancy-current-text
)))
1219 (if pure-space-overflow
1220 (insert "Warning Warning Pure space overflow Warning Warning\n"))
1222 (apply #'fancy-splash-insert text
)
1224 (unless (current-message)
1225 (message fancy-splash-help-echo
))
1226 (set-buffer-modified-p nil
)
1227 (goto-char (point-min))
1228 (force-mode-line-update)
1229 (setq fancy-current-text
(cdr fancy-current-text
))))
1232 (defun fancy-splash-default-action ()
1233 "Stop displaying the splash screen buffer.
1234 This is an internal function used to turn off the splash screen after
1235 the user caused an input event by hitting a key or clicking with the
1238 (push last-command-event unread-command-events
)
1242 (defun fancy-splash-screens ()
1243 "Display fancy splash screens when Emacs starts."
1244 (setq fancy-splash-help-echo
(startup-echo-area-message))
1245 (let ((old-hourglass display-hourglass
)
1246 (fancy-splash-outer-buffer (current-buffer))
1248 (old-minor-mode-map-alist minor-mode-map-alist
)
1249 (frame (fancy-splash-frame))
1251 (save-selected-window
1252 (select-frame frame
)
1253 (switch-to-buffer "GNU Emacs")
1255 (setq splash-buffer
(current-buffer))
1256 (catch 'stop-splashing
1258 (let ((map (make-sparse-keymap)))
1260 (define-key map
[switch-frame
] 'ignore
)
1261 (define-key map
[t] 'fancy-splash-default-action)
1262 (define-key map [mouse-movement] 'ignore)
1263 (define-key map [mode-line t] 'ignore)
1264 (setq cursor-type nil
1265 display-hourglass nil
1266 minor-mode-map-alist nil
1268 mode-line-format (propertize "---- %b %-"
1269 'face '(:weight bold))
1270 fancy-splash-stop-time (+ (float-time)
1271 fancy-splash-max-time)
1272 timer (run-with-timer 0 fancy-splash-delay
1273 #'fancy-splash-screens-1
1276 (cancel-timer timer)
1277 (setq display-hourglass old-hourglass
1278 minor-mode-map-alist old-minor-mode-map-alist)
1279 (kill-buffer splash-buffer))))))
1281 (defun fancy-splash-frame ()
1282 "Return the frame to use for the fancy splash screen.
1283 Returning non-nil does not mean we should necessarily
1284 use the fancy splash screen, but if we do use it,
1285 we put it on this frame."
1287 (dolist (frame (append (frame-list) (list (selected-frame))))
1288 (if (and (frame-visible-p frame)
1289 (not (window-minibuffer-p (frame-selected-window frame))))
1290 (setq chosen-frame frame)))
1293 (defun use-fancy-splash-screens-p ()
1294 "Return t if fancy splash screens should be used."
1295 (when (and (display-graphic-p)
1296 (or (and (display-color-p)
1297 (image-type-available-p 'xpm))
1298 (image-type-available-p 'pbm)))
1299 (let ((frame (fancy-splash-frame)))
1301 (let* ((img (create-image (or fancy-splash-image
1302 (if (and (display-color-p)
1303 (image-type-available-p 'xpm))
1304 "splash.xpm" "splash.pbm"))))
1305 (image-height (and img (cdr (image-size img))))
1306 (window-height (1- (window-height (frame-selected-window frame)))))
1307 (> window-height (+ image-height 19)))))))
1310 (defun normal-splash-screen ()
1311 "Display splash screen when Emacs starts."
1312 (let ((prev-buffer (current-buffer)))
1314 (with-current-buffer (get-buffer-create "GNU Emacs")
1316 (mode-line-format (propertize "---- %b %-"
1317 'face '(:weight bold))))
1319 (if pure-space-overflow
1320 (insert "Warning Warning Pure space overflow Warning Warning\n"))
1322 ;; The convention for this piece of code is that
1323 ;; each piece of output starts with one or two newlines
1324 ;; and does not end with any newlines.
1325 (insert "Welcome to GNU Emacs")
1327 (if (eq system-type 'gnu/linux)
1328 ", one component of the GNU/Linux operating system.\n"
1329 ", a part of the GNU operating system.\n"))
1331 (unless (equal (buffer-name prev-buffer) "*scratch*")
1332 (insert (substitute-command-keys
1333 "\nType \\[recenter] to begin editing your file.\n")))
1335 (if (display-mouse-p)
1336 ;; The user can use the mouse to activate menus
1337 ;; so give help in terms of menu items.
1340 You can do basic editing with the menu bar and scroll bar using the mouse.
1342 Useful File menu items:
1343 Exit Emacs (or type Control-x followed by Control-c)
1344 Recover Session recover files you were editing before a crash
1346 Important Help menu items:
1347 Emacs Tutorial Learn-by-doing tutorial for using Emacs efficiently.
1348 Emacs FAQ Frequently asked questions and answers
1349 Read the Emacs Manual View the Emacs manual using Info
1350 \(Non)Warranty GNU Emacs comes with ABSOLUTELY NO WARRANTY
1351 Copying Conditions Conditions for redistributing and changing Emacs.
1352 Getting New Versions How to obtain the latest version of Emacs.
1353 More Manuals / Ordering Manuals How to order printed manuals from the FSF.
1355 (insert "\n\n" (emacs-version)
1357 Copyright (C) 2004 Free Software Foundation, Inc."))
1359 ;; No mouse menus, so give help using kbd commands.
1361 ;; If keys have their default meanings,
1362 ;; use precomputed string to save lots of time.
1363 (if (and (eq (key-binding "\C-h") 'help-command)
1364 (eq (key-binding "\C-xu") 'advertised-undo)
1365 (eq (key-binding "\C-x\C-c") 'save-buffers-kill-emacs)
1366 (eq (key-binding "\C-ht") 'help-with-tutorial)
1367 (eq (key-binding "\C-hi") 'info)
1368 (eq (key-binding "\C-hr") 'info-emacs-manual)
1369 (eq (key-binding "\C-h\C-n") 'view-emacs-news))
1371 Get help C-h (Hold down CTRL and press h)
1373 Emacs tutorial C-h t Undo changes C-x u
1374 Buy manuals C-h C-m Exit Emacs C-x C-c
1375 Browse manuals C-h i")
1377 (insert (substitute-command-keys
1380 Emacs manual \\[info-emacs-manual]
1381 Emacs tutorial \\[help-with-tutorial]\tUndo changes\t\\[advertised-undo]
1382 Buy manuals \\[view-order-manuals]\tExit Emacs\t\\[save-buffers-kill-emacs]
1383 Browse manuals \\[info]"
1384 (let ((where (where-is-internal
1385 'help-command nil t)))
1387 (key-description where)
1390 ;; Say how to use the menu bar with the keyboard.
1391 (if (and (eq (key-binding "\M-`") 'tmm-menubar)
1392 (eq (key-binding [f10]) 'tmm-menubar))
1394 Activate menubar F10 or ESC ` or M-`")
1395 (insert (substitute-command-keys "
1396 Activate menubar \\[tmm-menubar]")))
1398 ;; Many users seem to have problems with these.
1400 \(`C-' means use the CTRL key. `M-' means use the Meta (or Alt) key.
1401 If you have no Meta key, you may instead type ESC followed by the character.)")
1403 (insert "\n\n" (emacs-version)
1405 Copyright (C) 2004 Free Software Foundation, Inc.")
1407 (if (and (eq (key-binding "\C-h\C-c") 'describe-copying)
1408 (eq (key-binding "\C-h\C-d") 'describe-distribution)
1409 (eq (key-binding "\C-h\C-w") 'describe-no-warranty))
1412 GNU Emacs comes with ABSOLUTELY NO WARRANTY; type C-h C-w for full details.
1413 Emacs is Free Software--Free as in Freedom--so you can redistribute copies
1414 of Emacs and modify it; type C-h C-c to see the conditions.
1415 Type C-h C-d for information on getting the latest version.")
1416 (insert (substitute-command-keys
1418 GNU Emacs comes with ABSOLUTELY NO WARRANTY; type \\[describe-no-warranty] for full details.
1419 Emacs is Free Software--Free as in Freedom--so you can redistribute copies
1420 of Emacs and modify it; type \\[describe-copying] to see the conditions.
1421 Type \\[describe-distribution] for information on getting the latest version."))))
1423 ;; The rest of the startup screen is the same on all
1424 ;; kinds of terminals.
1426 ;; Give information on recovering, if there was a crash.
1427 (and auto-save-list-file-prefix
1428 ;; Don't signal an error if the
1429 ;; directory for auto-save-list files
1430 ;; does not yet exist.
1431 (file-directory-p (file-name-directory
1432 auto-save-list-file-prefix))
1434 (file-name-directory auto-save-list-file-prefix)
1437 (regexp-quote (file-name-nondirectory
1438 auto-save-list-file-prefix)))
1440 (insert "\n\nIf an Emacs session crashed recently, "
1441 "type M-x recover-session RET\nto recover"
1442 " the files you were editing."))
1444 ;; Display the input that we set up in the buffer.
1445 (set-buffer-modified-p nil)
1446 (goto-char (point-min))
1447 (save-window-excursion
1448 (switch-to-buffer (current-buffer))
1450 ;; Unwind ... ensure splash buffer is killed
1451 (kill-buffer "GNU Emacs"))))
1454 (defun startup-echo-area-message ()
1455 (if (eq (key-binding "\C-h\C-p") 'describe-project)
1456 "For information about the GNU Project and its goals, type C-h C-p."
1457 (substitute-command-keys
1458 "For information about the GNU Project and its goals, type \
1459 \\[describe-project].")))
1462 (defun display-startup-echo-area-message ()
1463 (let ((resize-mini-windows t))
1464 (message (startup-echo-area-message))))
1467 (defun display-splash-screen ()
1468 "Display splash screen according to display.
1469 Fancy splash screens are used on graphic displays,
1472 (if (use-fancy-splash-screens-p)
1473 (fancy-splash-screens)
1474 (normal-splash-screen)))
1477 (defun command-line-1 (command-line-args-left)
1478 (or noninteractive (input-pending-p) init-file-had-error
1479 ;; t if the init file says to inhibit the echo area startup message.
1480 (and inhibit-startup-echo-area-message
1482 (or (and (get 'inhibit-startup-echo-area-message 'saved-value)
1483 (equal inhibit-startup-echo-area-message
1484 (if (equal init-file-user "")
1487 ;; Wasn't set with custom; see if .emacs has a setq.
1488 (let ((buffer (get-buffer-create " *temp*")))
1493 (insert-file-contents user-init-file)
1496 "([ \t\n]*setq[ \t\n]+"
1497 "inhibit-startup-echo-area-message[ \t\n]+"
1500 (if (equal init-file-user "")
1506 (kill-buffer buffer)))))
1507 ;; display-splash-screen at the end of command-line-1 calls
1508 ;; use-fancy-splash-screens-p. This can cause image.el to be
1509 ;; loaded, putting "Loading image... done" in the echo area.
1510 ;; This hides startup-echo-area-message. So
1511 ;; use-fancy-splash-screens-p is called here simply to get the
1512 ;; loading of image.el (if needed) out of the way before
1513 ;; display-startup-echo-area-message runs.
1515 (use-fancy-splash-screens-p)
1516 (display-startup-echo-area-message)))
1518 ;; Delay 2 seconds after an init file error message
1519 ;; was displayed, so user can read it.
1520 (when init-file-had-error
1523 (when command-line-args-left
1524 ;; We have command args; process them.
1525 (let ((dir command-line-default-directory)
1529 ;; This approach loses for "-batch -L DIR --eval "(require foo)",
1530 ;; if foo is intended to be found in DIR.
1532 ;; ;; The directories listed in --directory/-L options will *appear*
1533 ;; ;; at the front of `load-path' in the order they appear on the
1534 ;; ;; command-line. We cannot do this by *placing* them at the front
1535 ;; ;; in the order they appear, so we need this variable to hold them,
1539 ;; To DTRT we keep track of the splice point and modify `load-path'
1540 ;; straight away upon any --directory/-L option.
1542 just-files ;; t if this follows the magic -- option.
1543 ;; This includes our standard options' long versions
1544 ;; and long versions of what's on command-switch-alist.
1546 (append '(("--funcall") ("--load") ("--insert") ("--kill")
1547 ("--directory") ("--eval") ("--execute") ("--no-splash")
1548 ("--find-file") ("--visit") ("--file"))
1549 (mapcar (lambda (elt)
1550 (list (concat "-" (car elt))))
1551 command-switch-alist)))
1555 ;; Add the long X options to longopts.
1556 (dolist (tem command-line-x-option-alist)
1557 (if (string-match "^--" (car tem))
1558 (push (list (car tem)) longopts)))
1560 ;; Loop, processing options.
1561 (while command-line-args-left
1562 (let* ((argi (car command-line-args-left))
1565 (setq command-line-args-left (cdr command-line-args-left))
1567 ;; Do preliminary decoding of the option.
1569 ;; After --, don't look for options; treat all args as files.
1571 ;; Convert long options to ordinary options
1572 ;; and separate out an attached option argument into argval.
1573 (when (string-match "^\\(--[^=]*\\)=" argi)
1574 (setq argval (substring argi (match-end 0))
1575 argi (match-string 1 argi)))
1576 (if (equal argi "--")
1577 (setq completion nil)
1578 (setq completion (try-completion argi longopts)))
1579 (if (eq completion t)
1580 (setq argi (substring argi 1))
1581 (if (stringp completion)
1582 (let ((elt (assoc completion longopts)))
1584 (error "Option `%s' is ambiguous" argi))
1585 (setq argi (substring (car elt) 1)))
1589 ;; Execute the option.
1590 (cond ((setq tem (assoc argi command-switch-alist))
1592 (let ((command-line-args-left
1593 (cons argval command-line-args-left)))
1594 (funcall (cdr tem) argi))
1595 (funcall (cdr tem) argi)))
1597 ((equal argi "-no-splash")
1598 (setq inhibit-startup-message t))
1600 ((member argi '("-f" ; what the manual claims
1602 "-e")) ; what the source used to say
1603 (setq tem (intern (or argval (pop command-line-args-left))))
1605 (command-execute tem)
1608 ((member argi '("-eval" "-execute"))
1609 (eval (read (or argval (pop command-line-args-left)))))
1611 ((member argi '("-L" "-directory"))
1612 (setq tem (expand-file-name
1613 (command-line-normalize-file-name
1614 (or argval (pop command-line-args-left)))))
1615 (cond (splice (setcdr splice (cons tem (cdr splice)))
1616 (setq splice (cdr splice)))
1617 (t (setq load-path (cons tem load-path)
1618 splice load-path))))
1620 ((member argi '("-l" "-load"))
1621 (let* ((file (command-line-normalize-file-name
1622 (or argval (pop command-line-args-left))))
1623 ;; Take file from default dir if it exists there;
1624 ;; otherwise let `load' search for it.
1625 (file-ex (expand-file-name file)))
1626 (when (file-exists-p file-ex)
1627 (setq file file-ex))
1630 ((equal argi "-insert")
1631 (setq tem (or argval (pop command-line-args-left)))
1633 (error "File name omitted from `-insert' option"))
1634 (insert-file-contents (command-line-normalize-file-name tem)))
1636 ((equal argi "-kill")
1639 ((string-match "^\\+[0-9]+\\'" argi)
1640 (setq line (string-to-number argi)))
1642 ((string-match "^\\+\\([0-9]+\\):\\([0-9]+\\)\\'" argi)
1643 (setq line (string-to-number (match-string 1 argi))
1644 column (string-to-number (match-string 2 argi))))
1646 ((setq tem (assoc argi command-line-x-option-alist))
1647 ;; Ignore X-windows options and their args if not using X.
1648 (setq command-line-args-left
1649 (nthcdr (nth 1 tem) command-line-args-left)))
1651 ((member argi '("-find-file" "-file" "-visit"))
1652 ;; An explicit option to specify visiting a file.
1653 (setq tem (or argval (pop command-line-args-left)))
1654 (unless (stringp tem)
1655 (error "File name omitted from `%s' option" argi))
1656 (setq file-count (1+ file-count))
1657 (let ((file (expand-file-name
1658 (command-line-normalize-file-name tem) dir)))
1659 (if (= file-count 1)
1660 (setq first-file-buffer (find-file file))
1661 (find-file-other-window file)))
1665 (unless (< column 1)
1666 (move-to-column (1- column)))
1670 (setq just-files t))
1672 ;; We have almost exhausted our options. See if the
1673 ;; user has made any other command-line options available
1674 (let ((hooks command-line-functions) ;; lrs 7/31/89
1677 (not (setq did-hook (funcall (car hooks)))))
1678 (setq hooks (cdr hooks)))
1680 ;; Presume that the argument is a file name.
1682 (if (string-match "\\`-" argi)
1683 (error "Unknown option `%s'" argi))
1684 (setq file-count (1+ file-count))
1687 (command-line-normalize-file-name orig-argi)
1689 (if (= file-count 1)
1690 (setq first-file-buffer (find-file file))
1691 (find-file-other-window file)))
1695 (unless (< column 1)
1696 (move-to-column (1- column)))
1697 (setq column 0))))))))
1699 ;; If 3 or more files visited, and not all visible,
1700 ;; show user what they all are. But leave the last one current.
1701 (and (> file-count 2)
1702 (not noninteractive)
1703 (not inhibit-startup-buffer-menu)
1704 (or (get-buffer-window first-file-buffer)
1707 ;; Maybe display a startup screen.
1708 (unless (or inhibit-startup-message
1711 ;; Don't display startup screen if init file
1712 ;; has started some sort of server.
1713 (and (fboundp 'process-list)
1715 ;; Display a startup screen, after some preparations.
1717 ;; If there are no switches to process, we might as well
1718 ;; run this hook now, and there may be some need to do it
1719 ;; before doing any output.
1720 (run-hooks 'emacs-startup-hook)
1721 (and term-setup-hook
1722 (run-hooks 'term-setup-hook))
1723 (setq inhibit-startup-hooks t)
1725 ;; It's important to notice the user settings before we
1726 ;; display the startup message; otherwise, the settings
1727 ;; won't take effect until the user gives the first
1728 ;; keystroke, and that's distracting.
1729 (when (fboundp 'frame-notice-user-settings)
1730 (frame-notice-user-settings))
1732 ;; If there are no switches to process, we might as well
1733 ;; run this hook now, and there may be some need to do it
1734 ;; before doing any output.
1735 (when window-setup-hook
1736 (run-hooks 'window-setup-hook)
1737 ;; Don't let the hook be run twice.
1738 (setq window-setup-hook nil))
1740 ;; Do this now to avoid an annoying delay if the user
1741 ;; clicks the menu bar during the sit-for.
1742 (when (display-popup-menus-p)
1743 (precompute-menubar-bindings))
1745 (setq menubar-bindings-done t))
1747 ;; If *scratch* is selected and it is empty, insert an
1748 ;; initial message saying not to create a file there.
1749 (when (and initial-scratch-message
1750 (equal (buffer-name) "*scratch*")
1751 (= 0 (buffer-size)))
1752 (insert initial-scratch-message)
1753 (set-buffer-modified-p nil))
1755 ;; If user typed input during all that work,
1756 ;; abort the startup screen. Otherwise, display it now.
1757 (unless (input-pending-p)
1758 (display-splash-screen))))
1761 (defun command-line-normalize-file-name (file)
1762 "Collapse multiple slashes to one, to handle non-Emacs file names."
1764 ;; Use arg 1 so that we don't collapse // at the start of the file name.
1765 ;; That is significant on some systems.
1766 ;; However, /// at the beginning is supposed to mean just /, not //.
1767 (if (string-match "^///+" file)
1768 (setq file (replace-match "/" t t file)))
1769 (while (string-match "//+" file 1)
1770 (setq file (replace-match "/" t t file)))
1773 ;; arch-tag: 7e294698-244d-4758-984b-4047f887a5db
1774 ;;; startup.el ends here