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 (defvar window-system initial-window-system
40 "Name of window system the selected frame is displaying through.
41 The value is a symbol--for instance, `x' for X windows.
42 The value is nil if the selected frame is on a text-only-terminal.")
44 (make-variable-frame-local 'window-system
)
46 (defgroup initialization nil
47 "Emacs start-up procedure"
50 (defcustom inhibit-startup-message nil
51 "*Non-nil inhibits the initial startup message.
52 This is for use in your personal init file, once you are familiar
53 with the contents of the startup message."
55 :group
'initialization
)
57 (defvaralias 'inhibit-splash-screen
'inhibit-startup-message
)
59 (defcustom inhibit-startup-echo-area-message nil
60 "*Non-nil inhibits the initial startup echo area message.
61 Setting this variable takes effect
62 only if you do it with the customization buffer
63 or if your `.emacs' file contains a line of this form:
64 (setq inhibit-startup-echo-area-message \"YOUR-USER-NAME\")
65 If your `.emacs' file is byte-compiled, use the following form instead:
66 (eval '(setq inhibit-startup-echo-area-message \"YOUR-USER-NAME\"))
67 Thus, someone else using a copy of your `.emacs' file will see
68 the startup message unless he personally acts to inhibit it."
69 :type
'(choice (const :tag
"Don't inhibit")
70 (string :tag
"Enter your user name, to inhibit"))
71 :group
'initialization
)
73 (defcustom inhibit-default-init nil
74 "*Non-nil inhibits loading the `default' library."
76 :group
'initialization
)
78 (defcustom inhibit-startup-buffer-menu nil
79 "*Non-nil inhibits display of buffer list when more than 2 files are loaded."
81 :group
'initialization
)
83 (defvar command-switch-alist nil
84 "Alist of command-line switches.
85 Elements look like (SWITCH-STRING . HANDLER-FUNCTION).
86 HANDLER-FUNCTION receives the switch string as its sole argument;
87 the remaining command-line args are in the variable `command-line-args-left'.")
89 (defvar command-line-args-left nil
90 "List of command-line args not yet processed.")
92 (defvar command-line-functions nil
;; lrs 7/31/89
93 "List of functions to process unrecognized command-line arguments.
94 Each function should access the dynamically bound variables
95 `argi' (the current argument) and `command-line-args-left' (the remaining
96 arguments). The function should return non-nil only if it recognizes and
97 processes `argi'. If it does so, it may consume successive arguments by
98 altering `command-line-args-left' to remove them.")
100 (defvar command-line-default-directory nil
101 "Default directory to use for command line arguments.
102 This is normally copied from `default-directory' when Emacs starts.")
104 ;;; This is here, rather than in x-win.el, so that we can ignore these
105 ;;; options when we are not using X.
106 (defconst command-line-x-option-alist
107 '(("-bw" 1 x-handle-numeric-switch border-width
)
108 ("-d" 1 x-handle-display
)
109 ("-display" 1 x-handle-display
)
110 ("-name" 1 x-handle-name-switch
)
111 ("-title" 1 x-handle-switch title
)
112 ("-T" 1 x-handle-switch title
)
113 ("-r" 0 x-handle-switch reverse t
)
114 ("-rv" 0 x-handle-switch reverse t
)
115 ("-reverse" 0 x-handle-switch reverse t
)
116 ("-reverse-video" 0 x-handle-switch reverse t
)
117 ("-fn" 1 x-handle-switch font
)
118 ("-font" 1 x-handle-switch font
)
119 ("-fs" 0 x-handle-initial-switch fullscreen fullboth
)
120 ("-fw" 0 x-handle-initial-switch fullscreen fullwidth
)
121 ("-fh" 0 x-handle-initial-switch fullscreen fullheight
)
122 ("-ib" 1 x-handle-numeric-switch internal-border-width
)
123 ("-g" 1 x-handle-geometry
)
124 ("-lsp" 1 x-handle-numeric-switch line-spacing
)
125 ("-geometry" 1 x-handle-geometry
)
126 ("-fg" 1 x-handle-switch foreground-color
)
127 ("-foreground" 1 x-handle-switch foreground-color
)
128 ("-bg" 1 x-handle-switch background-color
)
129 ("-background" 1 x-handle-switch background-color
)
130 ("-ms" 1 x-handle-switch mouse-color
)
131 ("-itype" 0 x-handle-switch icon-type t
)
132 ("-i" 0 x-handle-switch icon-type t
)
133 ("-iconic" 0 x-handle-iconic
)
134 ("-xrm" 1 x-handle-xrm-switch
)
135 ("-cr" 1 x-handle-switch cursor-color
)
136 ("-vb" 0 x-handle-switch vertical-scroll-bars t
)
137 ("-hb" 0 x-handle-switch horizontal-scroll-bars t
)
138 ("-bd" 1 x-handle-switch
)
139 ("--border-width" 1 x-handle-numeric-switch border-width
)
140 ("--display" 1 x-handle-display
)
141 ("--name" 1 x-handle-name-switch
)
142 ("--title" 1 x-handle-switch title
)
143 ("--reverse-video" 0 x-handle-switch reverse t
)
144 ("--font" 1 x-handle-switch font
)
145 ("--fullscreen" 0 x-handle-initial-switch fullscreen fullboth
)
146 ("--fullwidth" 0 x-handle-initial-switch fullscreen fullwidth
)
147 ("--fullheight" 0 x-handle-initial-switch fullscreen fullheight
)
148 ("--internal-border" 1 x-handle-numeric-switch internal-border-width
)
149 ("--geometry" 1 x-handle-geometry
)
150 ("--foreground-color" 1 x-handle-switch foreground-color
)
151 ("--background-color" 1 x-handle-switch background-color
)
152 ("--mouse-color" 1 x-handle-switch mouse-color
)
153 ("--icon-type" 0 x-handle-switch icon-type t
)
154 ("--iconic" 0 x-handle-iconic
)
155 ("--xrm" 1 x-handle-xrm-switch
)
156 ("--cursor-color" 1 x-handle-switch cursor-color
)
157 ("--vertical-scroll-bars" 0 x-handle-switch vertical-scroll-bars t
)
158 ("--line-spacing" 1 x-handle-numeric-switch line-spacing
)
159 ("--border-color" 1 x-handle-switch border-color
)
160 ("--smid" 1 x-handle-smid
))
161 "Alist of X Windows options.
162 Each element has the form
163 (NAME NUMARGS HANDLER FRAME-PARAM VALUE)
164 where NAME is the option name string, NUMARGS is the number of arguments
165 that the option accepts, HANDLER is a function to call to handle the option.
166 FRAME-PARAM (optional) is the frame parameter this option specifies,
167 and VALUE is the value which is given to that frame parameter
168 \(most options use the argument for this, so VALUE is not present).")
170 (defvar before-init-hook nil
171 "Normal hook run after handling urgent options but before loading init files.")
173 (defvar after-init-hook nil
174 "Normal hook run after loading the init files, `~/.emacs' and `default.el'.
175 There is no `condition-case' around the running of these functions;
176 therefore, if you set `debug-on-error' non-nil in `.emacs',
177 an error in one of these functions will invoke the debugger.")
179 (defvar emacs-startup-hook nil
180 "Normal hook run after loading init files and handling the command line.")
182 (defvar term-setup-hook nil
183 "Normal hook run after loading terminal-specific Lisp code.
184 It also follows `emacs-startup-hook'. This hook exists for users to set,
185 so as to override the definitions made by the terminal-specific file.
186 Emacs never sets this variable itself.")
188 (defvar inhibit-startup-hooks nil
189 "Non-nil means don't run `term-setup-hook' and `emacs-startup-hook'.
190 This is because we already did so.")
192 (defvar keyboard-type nil
193 "The brand of keyboard you are using.
194 This variable is used to define
195 the proper function and keypad keys for use under X. It is used in a
196 fashion analogous to the environment variable TERM.")
198 (defvar window-setup-hook nil
199 "Normal hook run to initialize window system display.
200 Emacs runs this hook after processing the command line arguments and loading
201 the user's init file.")
203 (defcustom initial-major-mode
'lisp-interaction-mode
204 "Major mode command symbol to use for the initial *scratch* buffer."
206 :group
'initialization
)
208 (defcustom init-file-user nil
209 "Identity of user whose `.emacs' file is or was read.
210 The value is nil if `-q' or `--no-init-file' was specified,
211 meaning do not load any init file.
213 Otherwise, the value may be the null string, meaning use the init file
214 for the user that originally logged in, or it may be a
215 string containing a user's name meaning use that person's init file.
217 In either of the latter cases, `(concat \"~\" init-file-user \"/\")'
218 evaluates to the name of the directory where the `.emacs' file was
221 Setting `init-file-user' does not prevent Emacs from loading
222 `site-start.el'. The only way to do that is to use `--no-site-file'."
223 :type
'(choice (const :tag
"none" nil
) string
)
224 :group
'initialization
)
226 (defcustom site-run-file
"site-start"
227 "File containing site-wide run-time initializations.
228 This file is loaded at run-time before `~/.emacs'. It contains inits
229 that need to be in place for the entire site, but which, due to their
230 higher incidence of change, don't make sense to load into Emacs's
231 dumped image. Thus, the run-time load order is: 1. file described in
232 this variable, if non-nil; 2. `~/.emacs'; 3. `default.el'.
234 Don't use the `site-start.el' file for things some users may not like.
235 Put them in `default.el' instead, so that users can more easily
236 override them. Users can prevent loading `default.el' with the `-q'
237 option or by setting `inhibit-default-init' in their own init files,
238 but inhibiting `site-start.el' requires `--no-site-file', which
241 This variable is defined for customization so as to make
242 it visible in the relevant context. However, actually customizing it
243 is not allowed, since it would not work anyway. The only way to set
244 this variable usefully is to set it during while building and dumping Emacs."
245 :type
'(choice (const :tag
"none" nil
) string
)
246 :group
'initialization
247 :initialize
'custom-initialize-default
248 :set
'(lambda (variable value
)
249 (error "Customizing `site-run-file' does not work")))
251 (defcustom mail-host-address nil
252 "*Name of this machine, for purposes of naming users."
253 :type
'(choice (const nil
) string
)
256 (defcustom user-mail-address
(if command-line-processed
257 (concat (user-login-name) "@"
258 (or mail-host-address
260 ;; Empty string means "not set yet".
262 "*Full mailing address of this user.
263 This is initialized based on `mail-host-address',
264 after your init file is read, in case it sets `mail-host-address'."
268 (defcustom auto-save-list-file-prefix
269 (cond ((eq system-type
'ms-dos
)
270 ;; MS-DOS cannot have initial dot, and allows only 8.3 names
271 "~/_emacs.d/auto-save.list/_s")
273 "~/.emacs.d/auto-save-list/.saves-"))
274 "Prefix for generating `auto-save-list-file-name'.
275 This is used after reading your `.emacs' file to initialize
276 `auto-save-list-file-name', by appending Emacs's pid and the system name,
277 if you have not already set `auto-save-list-file-name' yourself.
278 Directories in the prefix will be created if necessary.
279 Set this to nil if you want to prevent `auto-save-list-file-name'
280 from being initialized."
281 :type
'(choice (const :tag
"Don't record a session's auto save list" nil
)
285 (defvar emacs-quick-startup nil
)
287 (defvar emacs-basic-display nil
)
289 (defvar init-file-debug nil
)
291 (defvar init-file-had-error nil
)
293 (defvar normal-top-level-add-subdirs-inode-list nil
)
295 (defvar no-blinking-cursor nil
)
297 (defvar pure-space-overflow nil
298 "Non-nil if building Emacs overflowed pure space.")
300 (defun normal-top-level-add-subdirs-to-load-path ()
301 "Add all subdirectories of current directory to `load-path'.
302 More precisely, this uses only the subdirectories whose names
303 start with letters or digits; it excludes any subdirectory named `RCS'
304 or `CVS', and any subdirectory that contains a file named `.nosearch'."
307 (pending (list default-directory
)))
308 ;; This loop does a breadth-first tree walk on DIR's subtree,
309 ;; putting each subdir into DIRS as its contents are examined.
311 (push (pop pending
) dirs
)
312 (let* ((this-dir (car dirs
))
313 (contents (directory-files this-dir
))
314 (default-directory this-dir
)
315 (canonicalized (if (fboundp 'untranslated-canonical-name
)
316 (untranslated-canonical-name this-dir
))))
317 ;; The Windows version doesn't report meaningful inode
318 ;; numbers, so use the canonicalized absolute file name of the
319 ;; directory instead.
320 (setq attrs
(or canonicalized
321 (nthcdr 10 (file-attributes this-dir
))))
322 (unless (member attrs normal-top-level-add-subdirs-inode-list
)
323 (push attrs normal-top-level-add-subdirs-inode-list
)
324 (dolist (file contents
)
325 ;; The lower-case variants of RCS and CVS are for DOS/Windows.
326 (unless (member file
'("." ".." "RCS" "CVS" "rcs" "cvs"))
327 (when (and (string-match "\\`[[:alnum:]]" file
)
328 ;; Avoid doing a `stat' when it isn't necessary
329 ;; because that can cause trouble when an NFS server
331 (not (string-match "\\.elc?\\'" file
))
332 (file-directory-p file
))
333 (let ((expanded (expand-file-name file
)))
334 (unless (file-exists-p (expand-file-name ".nosearch"
336 (setq pending
(nconc pending
(list expanded
)))))))))))
337 (normal-top-level-add-to-load-path (cdr (nreverse dirs
)))))
339 ;; This function is called from a subdirs.el file.
340 ;; It assumes that default-directory is the directory
341 ;; in which the subdirs.el file exists,
342 ;; and it adds to load-path the subdirs of that directory
343 ;; as specified in DIRS. Normally the elements of DIRS are relative.
344 (defun normal-top-level-add-to-load-path (dirs)
345 (let ((tail load-path
)
346 (thisdir (directory-file-name default-directory
)))
348 ;;Don't go all the way to the nil terminator.
350 (not (equal thisdir
(car tail
)))
351 (not (and (memq system-type
'(ms-dos windows-nt
))
352 (equal (downcase thisdir
) (downcase (car tail
))))))
353 (setq tail
(cdr tail
)))
354 ;;Splice the new section in.
356 (setcdr tail
(append (mapcar 'expand-file-name dirs
) (cdr tail
))))))
358 (defun normal-top-level ()
359 (if command-line-processed
360 (message "Back to top level.")
361 (setq command-line-processed t
)
362 ;; Give *Messages* the same default-directory as *scratch*,
363 ;; just to keep things predictable.
364 (let ((dir default-directory
))
365 (with-current-buffer "*Messages*"
366 (setq default-directory dir
)))
367 ;; `user-full-name' is now known; reset its standard-value here.
368 (put 'user-full-name
'standard-value
369 (list (default-value 'user-full-name
)))
370 ;; For root, preserve owner and group when editing files.
371 (if (equal (user-uid) 0)
372 (setq backup-by-copying-when-mismatch t
))
373 ;; Look in each dir in load-path for a subdirs.el file.
374 ;; If we find one, load it, which will add the appropriate subdirs
375 ;; of that dir into load-path,
376 ;; Look for a leim-list.el file too. Loading it will register
377 ;; available input methods.
378 (dolist (dir load-path
)
379 (let ((default-directory dir
))
380 (load (expand-file-name "subdirs.el") t t t
))
381 (let ((default-directory dir
))
382 (load (expand-file-name "leim-list.el") t t t
)))
383 (unless (eq system-type
'vax-vms
)
384 ;; If the PWD environment variable isn't accurate, delete it.
385 (let ((pwd (getenv "PWD")))
387 ;; Use FOO/., so that if FOO is a symlink, file-attributes
388 ;; describes the directory linked to, not FOO itself.
389 (or (equal (file-attributes
390 (concat (file-name-as-directory pwd
) "."))
392 (concat (file-name-as-directory default-directory
)
394 (setq process-environment
395 (delete (concat "PWD=" pwd
)
396 process-environment
))))))
397 (setq default-directory
(abbreviate-file-name default-directory
))
398 (let ((menubar-bindings-done nil
))
401 ;; Do this again, in case .emacs defined more abbreviations.
402 (setq default-directory
(abbreviate-file-name default-directory
))
403 ;; Specify the file for recording all the auto save files of this session.
404 ;; This is used by recover-session.
405 (or auto-save-list-file-name
406 (and auto-save-list-file-prefix
407 (setq auto-save-list-file-name
408 ;; Under MS-DOS our PID is almost always reused between
409 ;; Emacs invocations. We need something more unique.
410 (cond ((eq system-type
'ms-dos
)
411 ;; We are going to access the auto-save
412 ;; directory, so make sure it exists.
414 (file-name-directory auto-save-list-file-prefix
)
419 auto-save-list-file-prefix
))
424 auto-save-list-file-prefix
427 (unless inhibit-startup-hooks
428 (run-hooks 'emacs-startup-hook
)
430 (run-hooks 'term-setup-hook
)))
432 ;; Don't do this if we failed to create the initial frame,
433 ;; for instance due to a dense colormap.
434 (when (or frame-initial-frame
435 ;; If frame-initial-frame has no meaning, do this anyway.
436 (not (and initial-window-system
438 (not (eq initial-window-system
'pc
)))))
439 ;; Modify the initial frame based on what .emacs puts into
441 (if (fboundp 'frame-notice-user-settings
)
442 (frame-notice-user-settings))
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 (if (fboundp 'frame-set-background-mode
)
448 (frame-set-background-mode (selected-frame))))
450 ;; Now we know the user's default font, so add it to the menu.
451 (if (fboundp 'font-menu-add-default
)
452 (font-menu-add-default))
453 (and window-setup-hook
454 (run-hooks 'window-setup-hook
))
455 (or menubar-bindings-done
456 (if (display-popup-menus-p)
457 (precompute-menubar-bindings)))))))
459 ;; Precompute the keyboard equivalents in the menu bar items.
460 (defun precompute-menubar-bindings ()
461 (let ((submap (lookup-key global-map
[menu-bar
])))
463 (and (consp (car submap
))
464 (symbolp (car (car submap
)))
465 (stringp (car-safe (cdr (car submap
))))
466 (keymapp (cdr (cdr (car submap
))))
468 (x-popup-menu nil
(cdr (cdr (car submap
))))
471 (setq submap
(cdr submap
))))
472 (setq define-key-rebound-commands t
))
474 ;; Command-line options supported by tty's:
475 (defconst tty-long-option-alist
476 '(("--name" .
"-name")
478 ("--reverse-video" .
"-reverse")
479 ("--foreground-color" .
"-fg")
480 ("--background-color" .
"-bg")
481 ("--color" .
"-color")))
483 (defconst tool-bar-images-pixel-height
24
484 "Height in pixels of images in the tool bar.")
486 (defvar tool-bar-originally-present nil
487 "Non-nil if tool-bars are present before user and site init files are read.")
489 (defvar handle-args-function-alist
'((nil . tty-handle-args
))
490 "Functions for processing window-system dependent command-line arguments.
491 Window system startup files should add their own function to this
492 alist, which should parse the command line arguments. Those
493 pertaining to the window system should be processed and removed
494 from the returned command line.")
496 (defvar window-system-initialization-alist
'((nil . ignore
))
497 "Alist of window-system initialization functions.
498 Window-system startup files should add their own initialization
499 function to this list. The function should take no arguments,
500 and initialize the window system environment to prepare for
501 opening the first frame (e.g. open a connection to the server).")
503 ;; Handle the X-like command-line arguments "-fg", "-bg", "-name", etc.
504 (defun tty-handle-args (args)
508 (not (equal (car args
) "--")))
509 (let* ((argi (pop args
))
512 ;; Check for long options with attached arguments
513 ;; and separate out the attached option argument into argval.
514 (when (string-match "^\\(--[^=]*\\)=" argi
)
515 (setq argval
(substring argi
(match-end 0))
516 argi
(match-string 1 argi
)))
517 (when (string-match "^--" argi
)
518 (setq completion
(try-completion argi tty-long-option-alist
))
519 (if (eq completion t
)
520 ;; Exact match for long option.
521 (setq argi
(cdr (assoc argi tty-long-option-alist
)))
522 (if (stringp completion
)
523 (let ((elt (assoc completion tty-long-option-alist
)))
524 ;; Check for abbreviated long option.
526 (error "Option `%s' is ambiguous" argi
))
527 (setq argi
(cdr elt
)))
528 ;; Check for a short option.
531 (cond ((member argi
'("-fg" "-foreground"))
532 (push (cons 'foreground-color
(or argval
(pop args
)))
533 default-frame-alist
))
534 ((member argi
'("-bg" "-background"))
535 (push (cons 'background-color
(or argval
(pop args
)))
536 default-frame-alist
))
537 ((member argi
'("-T" "-name"))
538 (unless argval
(setq argval
(pop args
)))
542 (let ((case-fold-search t
)
544 (setq argval
(invocation-name))
546 ;; Change any . or * characters in name to
547 ;; hyphens, so as to emulate behavior on X.
549 (setq i
(string-match "[.*]" argval
))
552 default-frame-alist
))
553 ((member argi
'("-r" "-rv" "-reverse"))
555 default-frame-alist
))
556 ((equal argi
"-color")
557 (unless argval
(setq argval
8)) ; default --color means 8 ANSI colors
558 (push (cons 'tty-color-mode
560 ((numberp argval
) argval
)
561 ((string-match "-?[0-9]+" argval
)
562 (string-to-number argval
))
563 (t (intern argval
))))
564 default-frame-alist
))
569 (defun command-line ()
570 (setq command-line-default-directory default-directory
)
572 ;; Choose a reasonable location for temporary files.
573 (custom-reevaluate-setting 'temporary-file-directory
)
574 (custom-reevaluate-setting 'small-emporary-file-directory
)
575 (custom-reevaluate-setting 'auto-save-file-name-transforms
)
577 ;; See if we should import version-control from the environment variable.
578 (let ((vc (getenv "VERSION_CONTROL")))
579 (cond ((eq vc nil
)) ;don't do anything if not set
580 ((member vc
'("t" "numbered"))
581 (setq version-control t
))
582 ((member vc
'("nil" "existing"))
583 (setq version-control nil
))
584 ((member vc
'("never" "simple"))
585 (setq version-control
'never
))))
587 ;;! This has been commented out; I currently find the behavior when
588 ;;! split-window-keep-point is nil disturbing, but if I can get used
589 ;;! to it, then it would be better to eliminate the option.
590 ;;! ;; Choose a good default value for split-window-keep-point.
591 ;;! (setq split-window-keep-point (> baud-rate 2400))
593 ;; Set the default strings to display in mode line for
594 ;; end-of-line formats that aren't native to this platform.
596 ((memq system-type
'(ms-dos windows-nt emx
))
597 (setq eol-mnemonic-unix
"(Unix)"
598 eol-mnemonic-mac
"(Mac)"))
599 ;; Both Mac and Unix EOLs are now "native" on Mac OS so keep the
600 ;; abbreviated strings `/' and `:' set in coding.c for them.
601 ((eq system-type
'macos
)
602 (setq eol-mnemonic-dos
"(DOS)"))
603 (t ; this is for Unix/GNU/Linux systems
604 (setq eol-mnemonic-dos
"(DOS)"
605 eol-mnemonic-mac
"(Mac)")))
607 ;; Make sure window system's init file was loaded in loadup.el if using a window system.
608 (condition-case error
609 (unless noninteractive
610 (if (and initial-window-system
612 (intern (concat (symbol-name initial-window-system
) "-win")))))
613 (error "Unsupported window system `%s'" initial-window-system
))
614 ;; Process window-system specific command line parameters.
615 (setq command-line-args
616 (funcall (or (cdr (assq initial-window-system handle-args-function-alist
))
617 (error "Unsupported window system `%s'" initial-window-system
))
619 ;; Initialize the window system. (Open connection, etc.)
620 (funcall (or (cdr (assq initial-window-system window-system-initialization-alist
))
621 (error "Unsupported window system `%s'" initial-window-system
))))
622 ;; If there was an error, print the error message and exit.
625 (if (eq (car error
) 'error
)
626 (apply 'concat
(cdr error
))
627 (if (memq 'file-error
(get (car error
) 'error-conditions
))
630 (mapconcat (lambda (obj) (prin1-to-string obj t
))
631 (cdr (cdr error
)) ", "))
633 (get (car error
) 'error-message
)
634 (mapconcat (lambda (obj) (prin1-to-string obj t
))
636 'external-debugging-output
)
637 (terpri 'external-debugging-output
)
638 (setq initial-window-system nil
)
641 (set-locale-environment nil
)
643 ;; Convert the arguments to Emacs internal representation.
644 (let ((args (cdr command-line-args
)))
647 (decode-coding-string (car args
) locale-coding-system t
))
651 (args (cdr command-line-args
)))
653 ;; Figure out which user's init file to load,
654 ;; either from the environment or from the options.
655 (setq init-file-user
(if noninteractive nil
(user-login-name)))
656 ;; If user has not done su, use current $HOME to find .emacs.
658 (equal init-file-user
(user-real-login-name))
659 (setq init-file-user
""))
661 ;; Process the command-line args, and delete the arguments
662 ;; processed. This is consistent with the way main in emacs.c
664 (while (and (not done
) args
)
665 (let* ((longopts '(("--no-init-file") ("--no-site-file") ("--user")
666 ("--debug-init") ("--iconic") ("--icon-type")
667 ("--no-blinking-cursor") ("--bare-bones")))
671 ;; Handle --OPTION=VALUE format.
672 (when (string-match "^\\(--[^=]*\\)=" argi
)
673 (setq argval
(substring argi
(match-end 0))
674 argi
(match-string 1 argi
)))
675 (unless (equal argi
"--")
676 (let ((completion (try-completion argi longopts
)))
677 (if (eq completion t
)
678 (setq argi
(substring argi
1))
679 (if (stringp completion
)
680 (let ((elt (assoc completion longopts
)))
682 (error "Option `%s' is ambiguous" argi
))
683 (setq argi
(substring (car elt
) 1)))
687 ((member argi
'("-Q" "-quick"))
688 (setq init-file-user nil
690 emacs-quick-startup t
))
691 ((member argi
'("-D" "-basic-display"))
692 (setq no-blinking-cursor t
693 emacs-basic-display t
)
694 (push '(vertical-scroll-bars . nil
) initial-frame-alist
))
695 ((member argi
'("-q" "-no-init-file"))
696 (setq init-file-user nil
))
697 ((member argi
'("-u" "-user"))
698 (setq init-file-user
(or argval
(pop args
))
700 ((equal argi
"-no-site-file")
701 (setq site-run-file nil
))
702 ((equal argi
"-debug-init")
703 (setq init-file-debug t
))
704 ((equal argi
"-iconic")
705 (push '(visibility . icon
) initial-frame-alist
))
706 ((member argi
'("-icon-type" "-i" "-itype"))
707 (push '(icon-type . t
) default-frame-alist
))
708 ((member argi
'("-nbc" "-no-blinking-cursor"))
709 (setq no-blinking-cursor t
))
710 ;; Push the popped arg back on the list of arguments.
714 ;; Was argval set but not used?
716 (error "Option `%s' doesn't allow an argument" argi
))))
718 ;; Re-attach the program name to the front of the arg list.
719 (and command-line-args
720 (setcdr command-line-args args
)))
722 ;; Under X Window, this creates the X frame and deletes the terminal frame.
723 (when (fboundp 'frame-initialize
)
726 ;; Turn off blinking cursor if so specified in X resources. This is here
727 ;; only because all other settings of no-blinking-cursor are here.
728 (unless (or noninteractive
730 (and (memq window-system
'(x w32 mac
))
731 (not (member (x-get-resource "cursorBlink" "CursorBlink")
733 (setq no-blinking-cursor t
))
735 ;; If frame was created with a menu bar, set menu-bar-mode on.
736 (unless (or noninteractive
738 (and (memq initial-window-system
'(x w32
))
739 (<= (frame-parameter nil
'menu-bar-lines
) 0)))
742 ;; If frame was created with a tool bar, switch tool-bar-mode on.
743 (unless (or noninteractive
745 (not (display-graphic-p))
746 (<= (frame-parameter nil
'tool-bar-lines
) 0))
749 ;; Can't do this init in defcustom because the relevant variables
751 (custom-reevaluate-setting 'blink-cursor-mode
)
752 (custom-reevaluate-setting 'normal-erase-is-backspace
)
754 ;; If you change the code below, you need to also change the
755 ;; corresponding code in the tooltip-mode defcustom. The two need
756 ;; to be equivalent under all conditions, or Custom will get confused.
757 (unless (or noninteractive
759 (not (display-graphic-p))
760 (not (fboundp 'x-show-tip
)))
763 ;; Register default TTY colors for the case the terminal hasn't a
764 ;; terminal init file.
765 ;; We do this regardles of whether the terminal supports colors
766 ;; or not, since they can switch that support on or off in
767 ;; mid-session by setting the tty-color-mode frame parameter.
768 (tty-register-default-colors)
770 ;; Record whether the tool-bar is present before the user and site
771 ;; init files are processed. frame-notice-user-settings uses this
772 ;; to determine if the tool-bar has been disabled by the init files,
773 ;; and the frame needs to be resized.
774 (when (fboundp 'frame-notice-user-settings
)
775 (let ((tool-bar-lines (or (assq 'tool-bar-lines initial-frame-alist
)
776 (assq 'tool-bar-lines default-frame-alist
))))
777 (setq tool-bar-originally-present
780 (not (eq 0 (cdr tool-bar-lines
)))))))
782 (let ((old-scalable-fonts-allowed scalable-fonts-allowed
)
783 (old-font-list-limit font-list-limit
)
784 (old-face-ignored-fonts face-ignored-fonts
))
786 (run-hooks 'before-init-hook
)
788 ;; Run the site-start library if it exists. The point of this file is
789 ;; that it is run before .emacs. There is no point in doing this after
790 ;; .emacs; that is useless.
792 (load site-run-file t t
))
794 ;; Sites should not disable this. Only individuals should disable
795 ;; the startup message.
796 (setq inhibit-startup-message nil
)
798 ;; Load that user's init file, or the default one, or none.
799 (let (debug-on-error-from-init-file
800 debug-on-error-should-be-set
801 (debug-on-error-initial
802 (if (eq init-file-debug t
) 'startup init-file-debug
))
803 (orig-enable-multibyte default-enable-multibyte-characters
))
804 (let ((debug-on-error debug-on-error-initial
)
805 ;; This function actually reads the init files.
810 (let ((user-init-file-1
812 ((eq system-type
'ms-dos
)
813 (concat "~" init-file-user
"/_emacs"))
814 ((eq system-type
'windows-nt
)
815 ;; Prefer .emacs on Windows.
816 (if (directory-files "~" nil
"^\\.emacs\\(\\.elc?\\)?$")
818 ;; Also support _emacs for compatibility.
819 (if (directory-files "~" nil
"^_emacs\\(\\.elc?\\)?$")
821 ;; But default to .emacs if _emacs does not exist.
823 ((eq system-type
'vax-vms
)
826 (concat "~" init-file-user
"/.emacs")))))
827 ;; This tells `load' to store the file name found
828 ;; into user-init-file.
829 (setq user-init-file t
)
830 (load user-init-file-1 t t
)
832 (when (eq user-init-file t
)
833 ;; If we did not find ~/.emacs, try
834 ;; ~/.emacs.d/.emacs.
837 (file-name-nondirectory user-init-file-1
)
838 (file-name-as-directory
841 (file-name-directory user-init-file-1
))))))
844 ;; If we did not find the user's init file,
845 ;; set user-init-file conclusively.
846 ;; Don't let it be set from default.el.
847 (when (eq user-init-file t
)
848 (setq user-init-file user-init-file-1
))))
850 ;; If we loaded a compiled file, set
851 ;; `user-init-file' to the source version if that
853 (when (and user-init-file
854 (equal (file-name-extension user-init-file
)
856 (let* ((source (file-name-sans-extension user-init-file
))
857 (alt (concat source
".el")))
858 (setq source
(cond ((file-exists-p alt
) alt
)
859 ((file-exists-p source
) source
)
862 (when (file-newer-than-file-p source user-init-file
)
863 (message "Warning: %s is newer than %s"
864 source user-init-file
)
866 (setq user-init-file source
))))
868 (unless inhibit-default-init
869 (let ((inhibit-startup-message nil
))
870 ;; Users are supposed to be told their rights.
871 ;; (Plus how to get help and how to undo.)
872 ;; Don't you dare turn this off for anyone
874 (load "default" t t
)))))))))
876 ;; Do this without a condition-case if the user wants to debug.
878 (condition-case error
881 (setq init-file-had-error nil
))
883 (let ((message-log-max nil
))
885 (set-buffer (get-buffer-create "*Messages*"))
887 (format "An error has occurred while loading `%s':\n\n"
890 (get (car error
) 'error-message
)
891 (if (cdr error
) ": " "")
892 (mapconcat (lambda (s) (prin1-to-string s t
)) (cdr error
) ", "))
894 "To ensure normal operation, you should investigate and remove the\n"
895 "cause of the error in your initialization file. Start Emacs with\n"
896 "the `--debug-init' option to view a complete error backtrace.\n\n"))
897 (message "Error in init file: %s%s%s"
898 (get (car error
) 'error-message
)
899 (if (cdr error
) ": " "")
900 (mapconcat 'prin1-to-string
(cdr error
) ", "))
901 (let ((pop-up-windows nil
))
902 (pop-to-buffer "*Messages*"))
903 (setq init-file-had-error t
)))))
905 ;; If the user has a file of abbrevs, read it.
906 (if (file-exists-p abbrev-file-name
)
907 (quietly-read-abbrev-file abbrev-file-name
))
909 ;; If the abbrevs came entirely from the init file or the
910 ;; abbrevs file, they do not need saving.
911 (setq abbrevs-changed nil
)
913 ;; If we can tell that the init file altered debug-on-error,
914 ;; arrange to preserve the value that it set up.
915 (or (eq debug-on-error debug-on-error-initial
)
916 (setq debug-on-error-should-be-set t
917 debug-on-error-from-init-file debug-on-error
)))
918 (if debug-on-error-should-be-set
919 (setq debug-on-error debug-on-error-from-init-file
))
920 (unless (or default-enable-multibyte-characters
921 (eq orig-enable-multibyte default-enable-multibyte-characters
))
922 ;; Init file changed to unibyte. Reset existing multibyte
923 ;; buffers (probably *scratch*, *Messages*, *Minibuff-0*).
924 ;; Arguably this should only be done if they're free of
925 ;; multibyte characters.
926 (mapcar (lambda (buffer)
927 (with-current-buffer buffer
928 (if enable-multibyte-characters
929 (set-buffer-multibyte nil
))))
931 ;; Also re-set the language environment in case it was
932 ;; originally done before unibyte was set and is sensitive to
933 ;; unibyte (display table, terminal coding system &c).
934 (set-language-environment current-language-environment
)))
936 ;; Do this here in case the init file sets mail-host-address.
937 (if (equal user-mail-address
"")
938 (setq user-mail-address
(concat (user-login-name) "@"
939 (or mail-host-address
942 ;; If parameter have been changed in the init file which influence
943 ;; face realization, clear the face cache so that new faces will
945 (unless (and (eq scalable-fonts-allowed old-scalable-fonts-allowed
)
946 (eq font-list-limit old-font-list-limit
)
947 (eq face-ignored-fonts old-face-ignored-fonts
))
950 (run-hooks 'after-init-hook
)
952 ;; Decode all default-directory.
953 (if (and default-enable-multibyte-characters locale-coding-system
)
955 (dolist (elt (buffer-list))
957 (if default-directory
958 (setq default-directory
959 (decode-coding-string default-directory
960 locale-coding-system t
))))
961 (setq command-line-default-directory
962 (decode-coding-string command-line-default-directory
963 locale-coding-system t
))))
965 ;; If *scratch* exists and init file didn't change its mode, initialize it.
966 (if (get-buffer "*scratch*")
967 (with-current-buffer "*scratch*"
968 (if (eq major-mode
'fundamental-mode
)
969 (funcall initial-major-mode
))))
971 ;; Load library for our terminal type.
972 ;; User init file can set term-file-prefix to nil to prevent this.
973 (unless (or noninteractive
974 initial-window-system
975 (null term-file-prefix
))
976 (let ((term (getenv "TERM"))
979 (not (load (concat term-file-prefix term
) t t
)))
980 ;; Strip off last hyphen and what follows, then try again
982 (if (setq hyphend
(string-match "[-_][^-_]+$" term
))
983 (substring term
0 hyphend
)
986 ;; Update the out-of-memory error message based on user's key bindings
987 ;; for save-some-buffers.
988 (setq memory-signal-data
990 (substitute-command-keys "Memory exhausted--use \\[save-some-buffers] then exit and restart Emacs")))
992 ;; Process the remaining args.
993 (command-line-1 (cdr command-line-args
))
995 ;; If -batch, terminate after processing the command options.
996 (if noninteractive
(kill-emacs t
))
998 ;; Run emacs-session-restore (session management) if started by
999 ;; the session manager and we have a session manager connection.
1000 (if (and (boundp 'x-session-previous-id
)
1001 (stringp x-session-previous-id
))
1003 (emacs-session-restore x-session-previous-id
))))
1005 (defcustom initial-scratch-message
(purecopy "\
1006 ;; This buffer is for notes you don't want to save, and for Lisp evaluation.
1007 ;; If you want to create a file, visit that file with C-x C-f,
1008 ;; then enter the text in that file's own buffer.
1011 "Initial message displayed in *scratch* buffer at startup.
1012 If this is nil, no message will be displayed."
1013 :type
'(choice (text :tag
"Message")
1014 (const :tag
"none" nil
))
1015 :group
'initialization
)
1018 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
1019 ;;; Fancy splash screen
1020 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
1022 (defvar fancy-splash-text
1023 '((:face variable-pitch
1024 "You can do basic editing with the menu bar and scroll bar \
1025 using the mouse.\n\n"
1026 :face
(variable-pitch :weight bold
)
1027 "Important Help menu items:\n"
1028 :face variable-pitch
1030 (let* ((en "TUTORIAL")
1031 (tut (or (get-language-info current-language-environment
1034 (title (with-temp-buffer
1035 (insert-file-contents
1036 (expand-file-name tut data-directory
)
1038 (search-forward ".")
1039 (buffer-substring (point-min) (1- (point))))))
1040 ;; If there is a specific tutorial for the current language
1041 ;; environment and it is not English, append its title.
1043 "Emacs Tutorial\tLearn how to use Emacs efficiently"
1044 (if (string= en tut
)
1046 (concat " (" title
")"))
1048 :face variable-pitch
"\
1049 Emacs FAQ\tFrequently asked questions and answers
1050 Read the Emacs Manual\tView the Emacs manual using Info
1051 \(Non)Warranty\tGNU Emacs comes with "
1052 :face
(variable-pitch :slant oblique
)
1053 "ABSOLUTELY NO WARRANTY\n"
1054 :face variable-pitch
1056 Copying Conditions\tConditions for redistributing and changing Emacs
1057 More Manuals / Ordering Manuals Buying printed manuals from the FSF\n")
1058 (:face variable-pitch
1059 "You can do basic editing with the menu bar and scroll bar \
1060 using the mouse.\n\n"
1061 :face
(variable-pitch :weight bold
)
1062 "Useful File menu items:\n"
1063 :face variable-pitch
"\
1064 Exit Emacs\t(Or type Control-x followed by Control-c)
1065 Recover Crashed Session\tRecover files you were editing before a crash
1072 "A list of texts to show in the middle part of splash screens.
1073 Each element in the list should be a list of strings or pairs
1074 `:face FACE', like `fancy-splash-insert' accepts them.")
1077 (defgroup fancy-splash-screen
()
1078 "Fancy splash screen when Emacs starts."
1080 :group
'initialization
)
1083 (defcustom fancy-splash-delay
7
1084 "*Delay in seconds between splash screens."
1085 :group
'fancy-splash-screen
1089 (defcustom fancy-splash-max-time
30
1090 "*Show splash screens for at most this number of seconds.
1091 Values less than twice `fancy-splash-delay' are ignored."
1092 :group
'fancy-splash-screen
1096 (defcustom fancy-splash-image nil
1097 "*The image to show in the splash screens, or nil for defaults."
1098 :group
'fancy-splash-screen
1099 :type
'(choice (const :tag
"Default" nil
)
1100 (file :tag
"File")))
1103 ;; These are temporary storage areas for the splash screen display.
1105 (defvar fancy-current-text nil
)
1106 (defvar fancy-splash-help-echo nil
)
1107 (defvar fancy-splash-stop-time nil
)
1108 (defvar fancy-splash-outer-buffer nil
)
1110 (defun fancy-splash-insert (&rest args
)
1111 "Insert text into the current buffer, with faces.
1112 Arguments from ARGS should be either strings, functions called
1113 with no args that return a string, or pairs `:face FACE',
1114 where FACE is a valid face specification, as it can be used with
1115 `put-text-properties'."
1116 (let ((current-face nil
))
1118 (if (eq (car args
) :face
)
1119 (setq args
(cdr args
) current-face
(car args
))
1120 (insert (propertize (let ((it (car args
)))
1125 'help-echo fancy-splash-help-echo
)))
1126 (setq args
(cdr args
)))))
1129 (defun fancy-splash-head ()
1130 "Insert the head part of the splash screen into the current buffer."
1131 (let* ((image-file (cond ((stringp fancy-splash-image
)
1133 ((and (display-color-p)
1134 (image-type-available-p 'xpm
))
1135 (if (and (fboundp 'x-display-planes
)
1136 (= (funcall 'x-display-planes
) 8))
1140 (img (create-image image-file
))
1141 (image-width (and img
(car (image-size img
))))
1142 (window-width (window-width (selected-window))))
1144 (when (> window-width image-width
)
1145 ;; Center the image in the window.
1146 (insert (propertize " " 'display
1147 `(space :align-to
(+ center
(-0.5 .
,img
)))))
1149 ;; Change the color of the XPM version of the splash image
1150 ;; so that it is visible with a dark frame background.
1151 (when (and (memq 'xpm img
)
1152 (eq (frame-parameter nil
'background-mode
) 'dark
))
1153 (setq img
(append img
'(:color-symbols
(("#000000" .
"gray30"))))))
1155 ;; Insert the image with a help-echo and a keymap.
1156 (let ((map (make-sparse-keymap))
1157 (help-echo "mouse-2: browse http://www.gnu.org/"))
1158 (define-key map
[mouse-2
]
1161 (browse-url "http://www.gnu.org/")
1163 (define-key map
[down-mouse-2
] 'ignore
)
1164 (define-key map
[up-mouse-2
] 'ignore
)
1165 (insert-image img
(propertize "xxx" 'help-echo help-echo
1168 (fancy-splash-insert
1169 :face
'(variable-pitch :foreground
"red")
1170 (if (eq system-type
'gnu
/linux
)
1171 "GNU Emacs is one component of the GNU/Linux operating system."
1172 "GNU Emacs is one component of the GNU operating system."))
1174 (unless (equal (buffer-name fancy-splash-outer-buffer
) "*scratch*")
1175 (fancy-splash-insert :face
'variable-pitch
1176 (substitute-command-keys
1177 "Type \\[recenter] to begin editing your file.\n"))))
1180 (defun fancy-splash-tail ()
1181 "Insert the tail part of the splash screen into the current buffer."
1182 (let ((fg (if (eq (frame-parameter nil
'background-mode
) 'dark
)
1183 "cyan" "darkblue")))
1184 (fancy-splash-insert :face
`(variable-pitch :foreground
,fg
)
1188 :face
'(variable-pitch :height
0.5)
1189 "Copyright (C) 2005 Free Software Foundation, Inc.")
1190 (and auto-save-list-file-prefix
1191 ;; Don't signal an error if the
1192 ;; directory for auto-save-list files
1193 ;; does not yet exist.
1194 (file-directory-p (file-name-directory
1195 auto-save-list-file-prefix
))
1197 (file-name-directory auto-save-list-file-prefix
)
1200 (regexp-quote (file-name-nondirectory
1201 auto-save-list-file-prefix
)))
1203 (fancy-splash-insert :face
'(variable-pitch :foreground
"red")
1204 "\n\nIf an Emacs session crashed recently, "
1205 "type M-x recover-session RET\nto recover"
1206 " the files you were editing."))))
1208 (defun fancy-splash-screens-1 (buffer)
1209 "Timer function displaying a splash screen."
1210 (when (> (float-time) fancy-splash-stop-time
)
1211 (throw 'stop-splashing nil
))
1212 (unless fancy-current-text
1213 (setq fancy-current-text fancy-splash-text
))
1214 (let ((text (car fancy-current-text
)))
1217 (if pure-space-overflow
1218 (insert "Warning Warning Pure space overflow Warning Warning\n"))
1220 (apply #'fancy-splash-insert text
)
1222 (unless (current-message)
1223 (message fancy-splash-help-echo
))
1224 (set-buffer-modified-p nil
)
1225 (goto-char (point-min))
1226 (force-mode-line-update)
1227 (setq fancy-current-text
(cdr fancy-current-text
))))
1230 (defun fancy-splash-default-action ()
1231 "Stop displaying the splash screen buffer.
1232 This is an internal function used to turn off the splash screen after
1233 the user caused an input event by hitting a key or clicking with the
1236 (push last-command-event unread-command-events
)
1240 (defun fancy-splash-screens ()
1241 "Display fancy splash screens when Emacs starts."
1242 (setq fancy-splash-help-echo
(startup-echo-area-message))
1243 (let ((old-hourglass display-hourglass
)
1244 (fancy-splash-outer-buffer (current-buffer))
1246 (old-minor-mode-map-alist minor-mode-map-alist
)
1247 (frame (fancy-splash-frame))
1249 (save-selected-window
1250 (select-frame frame
)
1251 (switch-to-buffer "GNU Emacs")
1253 (setq splash-buffer
(current-buffer))
1254 (catch 'stop-splashing
1256 (let ((map (make-sparse-keymap)))
1258 (define-key map
[switch-frame
] 'ignore
)
1259 (define-key map
[t] 'fancy-splash-default-action)
1260 (define-key map [mouse-movement] 'ignore)
1261 (define-key map [mode-line t] 'ignore)
1262 (setq cursor-type nil
1263 display-hourglass nil
1264 minor-mode-map-alist nil
1266 mode-line-format (propertize "---- %b %-"
1267 'face '(:weight bold))
1268 fancy-splash-stop-time (+ (float-time)
1269 fancy-splash-max-time)
1270 timer (run-with-timer 0 fancy-splash-delay
1271 #'fancy-splash-screens-1
1274 (cancel-timer timer)
1275 (setq display-hourglass old-hourglass
1276 minor-mode-map-alist old-minor-mode-map-alist)
1277 (kill-buffer splash-buffer))))))
1279 (defun fancy-splash-frame ()
1280 "Return the frame to use for the fancy splash screen.
1281 Returning non-nil does not mean we should necessarily
1282 use the fancy splash screen, but if we do use it,
1283 we put it on this frame."
1285 (dolist (frame (append (frame-list) (list (selected-frame))))
1286 (if (and (frame-visible-p frame)
1287 (not (window-minibuffer-p (frame-selected-window frame))))
1288 (setq chosen-frame frame)))
1291 (defun use-fancy-splash-screens-p ()
1292 "Return t if fancy splash screens should be used."
1293 (when (and (display-graphic-p)
1294 (or (and (display-color-p)
1295 (image-type-available-p 'xpm))
1296 (image-type-available-p 'pbm)))
1297 (let ((frame (fancy-splash-frame)))
1299 (let* ((img (create-image (or fancy-splash-image
1300 (if (and (display-color-p)
1301 (image-type-available-p 'xpm))
1302 "splash.xpm" "splash.pbm"))))
1303 (image-height (and img (cdr (image-size img))))
1304 (window-height (1- (window-height (frame-selected-window frame)))))
1305 (> window-height (+ image-height 19)))))))
1308 (defun normal-splash-screen ()
1309 "Display splash screen when Emacs starts."
1310 (let ((prev-buffer (current-buffer)))
1312 (with-current-buffer (get-buffer-create "GNU Emacs")
1314 (mode-line-format (propertize "---- %b %-"
1315 'face '(:weight bold))))
1317 (if pure-space-overflow
1318 (insert "Warning Warning Pure space overflow Warning Warning\n"))
1320 ;; The convention for this piece of code is that
1321 ;; each piece of output starts with one or two newlines
1322 ;; and does not end with any newlines.
1323 (insert "Welcome to GNU Emacs")
1325 (if (eq system-type 'gnu/linux)
1326 ", one component of the GNU/Linux operating system.\n"
1327 ", a part of the GNU operating system.\n"))
1329 (unless (equal (buffer-name prev-buffer) "*scratch*")
1330 (insert (substitute-command-keys
1331 "\nType \\[recenter] to begin editing your file.\n")))
1333 (if (display-mouse-p)
1334 ;; The user can use the mouse to activate menus
1335 ;; so give help in terms of menu items.
1338 You can do basic editing with the menu bar and scroll bar using the mouse.
1340 Useful File menu items:
1341 Exit Emacs (or type Control-x followed by Control-c)
1342 Recover Session recover files you were editing before a crash
1344 Important Help menu items:
1345 Emacs Tutorial Learn-by-doing tutorial for using Emacs efficiently.
1346 Emacs FAQ Frequently asked questions and answers
1347 Read the Emacs Manual View the Emacs manual using Info
1348 \(Non)Warranty GNU Emacs comes with ABSOLUTELY NO WARRANTY
1349 Copying Conditions Conditions for redistributing and changing Emacs.
1350 Getting New Versions How to obtain the latest version of Emacs.
1351 More Manuals / Ordering Manuals How to order printed manuals from the FSF.
1353 (insert "\n\n" (emacs-version)
1355 Copyright (C) 2004 Free Software Foundation, Inc."))
1357 ;; No mouse menus, so give help using kbd commands.
1359 ;; If keys have their default meanings,
1360 ;; use precomputed string to save lots of time.
1361 (if (and (eq (key-binding "\C-h") 'help-command)
1362 (eq (key-binding "\C-xu") 'advertised-undo)
1363 (eq (key-binding "\C-x\C-c") 'save-buffers-kill-emacs)
1364 (eq (key-binding "\C-ht") 'help-with-tutorial)
1365 (eq (key-binding "\C-hi") 'info)
1366 (eq (key-binding "\C-hr") 'info-emacs-manual)
1367 (eq (key-binding "\C-h\C-n") 'view-emacs-news))
1369 Get help C-h (Hold down CTRL and press h)
1371 Emacs tutorial C-h t Undo changes C-x u
1372 Buy manuals C-h C-m Exit Emacs C-x C-c
1373 Browse manuals C-h i")
1375 (insert (substitute-command-keys
1378 Emacs manual \\[info-emacs-manual]
1379 Emacs tutorial \\[help-with-tutorial]\tUndo changes\t\\[advertised-undo]
1380 Buy manuals \\[view-order-manuals]\tExit Emacs\t\\[save-buffers-kill-emacs]
1381 Browse manuals \\[info]"
1382 (let ((where (where-is-internal
1383 'help-command nil t)))
1385 (key-description where)
1388 ;; Say how to use the menu bar with the keyboard.
1389 (if (and (eq (key-binding "\M-`") 'tmm-menubar)
1390 (eq (key-binding [f10]) 'tmm-menubar))
1392 Activate menubar F10 or ESC ` or M-`")
1393 (insert (substitute-command-keys "
1394 Activate menubar \\[tmm-menubar]")))
1396 ;; Many users seem to have problems with these.
1398 \(`C-' means use the CTRL key. `M-' means use the Meta (or Alt) key.
1399 If you have no Meta key, you may instead type ESC followed by the character.)")
1401 (insert "\n\n" (emacs-version)
1403 Copyright (C) 2004 Free Software Foundation, Inc.")
1405 (if (and (eq (key-binding "\C-h\C-c") 'describe-copying)
1406 (eq (key-binding "\C-h\C-d") 'describe-distribution)
1407 (eq (key-binding "\C-h\C-w") 'describe-no-warranty))
1410 GNU Emacs comes with ABSOLUTELY NO WARRANTY; type C-h C-w for full details.
1411 Emacs is Free Software--Free as in Freedom--so you can redistribute copies
1412 of Emacs and modify it; type C-h C-c to see the conditions.
1413 Type C-h C-d for information on getting the latest version.")
1414 (insert (substitute-command-keys
1416 GNU Emacs comes with ABSOLUTELY NO WARRANTY; type \\[describe-no-warranty] for full details.
1417 Emacs is Free Software--Free as in Freedom--so you can redistribute copies
1418 of Emacs and modify it; type \\[describe-copying] to see the conditions.
1419 Type \\[describe-distribution] for information on getting the latest version."))))
1421 ;; The rest of the startup screen is the same on all
1422 ;; kinds of terminals.
1424 ;; Give information on recovering, if there was a crash.
1425 (and auto-save-list-file-prefix
1426 ;; Don't signal an error if the
1427 ;; directory for auto-save-list files
1428 ;; does not yet exist.
1429 (file-directory-p (file-name-directory
1430 auto-save-list-file-prefix))
1432 (file-name-directory auto-save-list-file-prefix)
1435 (regexp-quote (file-name-nondirectory
1436 auto-save-list-file-prefix)))
1438 (insert "\n\nIf an Emacs session crashed recently, "
1439 "type M-x recover-session RET\nto recover"
1440 " the files you were editing."))
1442 ;; Display the input that we set up in the buffer.
1443 (set-buffer-modified-p nil)
1444 (goto-char (point-min))
1445 (save-window-excursion
1446 (switch-to-buffer (current-buffer))
1448 ;; Unwind ... ensure splash buffer is killed
1449 (kill-buffer "GNU Emacs"))))
1452 (defun startup-echo-area-message ()
1453 (if (eq (key-binding "\C-h\C-p") 'describe-project)
1454 "For information about the GNU Project and its goals, type C-h C-p."
1455 (substitute-command-keys
1456 "For information about the GNU Project and its goals, type \
1457 \\[describe-project].")))
1460 (defun display-startup-echo-area-message ()
1461 (let ((resize-mini-windows t))
1462 (message (startup-echo-area-message))))
1465 (defun display-splash-screen ()
1466 "Display splash screen according to display.
1467 Fancy splash screens are used on graphic displays,
1470 (if (use-fancy-splash-screens-p)
1471 (fancy-splash-screens)
1472 (normal-splash-screen)))
1475 (defun command-line-1 (command-line-args-left)
1476 (or noninteractive (input-pending-p) init-file-had-error
1477 ;; t if the init file says to inhibit the echo area startup message.
1478 (and inhibit-startup-echo-area-message
1480 (or (and (get 'inhibit-startup-echo-area-message 'saved-value)
1481 (equal inhibit-startup-echo-area-message
1482 (if (equal init-file-user "")
1485 ;; Wasn't set with custom; see if .emacs has a setq.
1486 (let ((buffer (get-buffer-create " *temp*")))
1491 (insert-file-contents user-init-file)
1494 "([ \t\n]*setq[ \t\n]+"
1495 "inhibit-startup-echo-area-message[ \t\n]+"
1498 (if (equal init-file-user "")
1504 (kill-buffer buffer)))))
1505 ;; display-splash-screen at the end of command-line-1 calls
1506 ;; use-fancy-splash-screens-p. This can cause image.el to be
1507 ;; loaded, putting "Loading image... done" in the echo area.
1508 ;; This hides startup-echo-area-message. So
1509 ;; use-fancy-splash-screens-p is called here simply to get the
1510 ;; loading of image.el (if needed) out of the way before
1511 ;; display-startup-echo-area-message runs.
1513 (use-fancy-splash-screens-p)
1514 (display-startup-echo-area-message)))
1516 ;; Delay 2 seconds after an init file error message
1517 ;; was displayed, so user can read it.
1518 (when init-file-had-error
1521 (when command-line-args-left
1522 ;; We have command args; process them.
1523 (let ((dir command-line-default-directory)
1527 ;; This approach loses for "-batch -L DIR --eval "(require foo)",
1528 ;; if foo is intended to be found in DIR.
1530 ;; ;; The directories listed in --directory/-L options will *appear*
1531 ;; ;; at the front of `load-path' in the order they appear on the
1532 ;; ;; command-line. We cannot do this by *placing* them at the front
1533 ;; ;; in the order they appear, so we need this variable to hold them,
1537 ;; To DTRT we keep track of the splice point and modify `load-path'
1538 ;; straight away upon any --directory/-L option.
1540 just-files ;; t if this follows the magic -- option.
1541 ;; This includes our standard options' long versions
1542 ;; and long versions of what's on command-switch-alist.
1544 (append '(("--funcall") ("--load") ("--insert") ("--kill")
1545 ("--directory") ("--eval") ("--execute") ("--no-splash")
1546 ("--find-file") ("--visit") ("--file"))
1547 (mapcar (lambda (elt)
1548 (list (concat "-" (car elt))))
1549 command-switch-alist)))
1553 ;; Add the long X options to longopts.
1554 (dolist (tem command-line-x-option-alist)
1555 (if (string-match "^--" (car tem))
1556 (push (list (car tem)) longopts)))
1558 ;; Loop, processing options.
1559 (while command-line-args-left
1560 (let* ((argi (car command-line-args-left))
1563 (setq command-line-args-left (cdr command-line-args-left))
1565 ;; Do preliminary decoding of the option.
1567 ;; After --, don't look for options; treat all args as files.
1569 ;; Convert long options to ordinary options
1570 ;; and separate out an attached option argument into argval.
1571 (when (string-match "^\\(--[^=]*\\)=" argi)
1572 (setq argval (substring argi (match-end 0))
1573 argi (match-string 1 argi)))
1574 (if (equal argi "--")
1575 (setq completion nil)
1576 (setq completion (try-completion argi longopts)))
1577 (if (eq completion t)
1578 (setq argi (substring argi 1))
1579 (if (stringp completion)
1580 (let ((elt (assoc completion longopts)))
1582 (error "Option `%s' is ambiguous" argi))
1583 (setq argi (substring (car elt) 1)))
1587 ;; Execute the option.
1588 (cond ((setq tem (assoc argi command-switch-alist))
1590 (let ((command-line-args-left
1591 (cons argval command-line-args-left)))
1592 (funcall (cdr tem) argi))
1593 (funcall (cdr tem) argi)))
1595 ((equal argi "-no-splash")
1596 (setq inhibit-startup-message t))
1598 ((member argi '("-f" ; what the manual claims
1600 "-e")) ; what the source used to say
1601 (setq tem (intern (or argval (pop command-line-args-left))))
1603 (command-execute tem)
1606 ((member argi '("-eval" "-execute"))
1607 (eval (read (or argval (pop command-line-args-left)))))
1609 ((member argi '("-L" "-directory"))
1610 (setq tem (expand-file-name
1611 (command-line-normalize-file-name
1612 (or argval (pop command-line-args-left)))))
1613 (cond (splice (setcdr splice (cons tem (cdr splice)))
1614 (setq splice (cdr splice)))
1615 (t (setq load-path (cons tem load-path)
1616 splice load-path))))
1618 ((member argi '("-l" "-load"))
1619 (let* ((file (command-line-normalize-file-name
1620 (or argval (pop command-line-args-left))))
1621 ;; Take file from default dir if it exists there;
1622 ;; otherwise let `load' search for it.
1623 (file-ex (expand-file-name file)))
1624 (when (file-exists-p file-ex)
1625 (setq file file-ex))
1628 ((equal argi "-insert")
1629 (setq tem (or argval (pop command-line-args-left)))
1631 (error "File name omitted from `-insert' option"))
1632 (insert-file-contents (command-line-normalize-file-name tem)))
1634 ((equal argi "-kill")
1637 ((string-match "^\\+[0-9]+\\'" argi)
1638 (setq line (string-to-int argi)))
1640 ((string-match "^\\+\\([0-9]+\\):\\([0-9]+\\)\\'" argi)
1641 (setq line (string-to-int (match-string 1 argi))
1642 column (string-to-int (match-string 2 argi))))
1644 ((setq tem (assoc argi command-line-x-option-alist))
1645 ;; Ignore X-windows options and their args if not using X.
1646 (setq command-line-args-left
1647 (nthcdr (nth 1 tem) command-line-args-left)))
1649 ((member argi '("-find-file" "-file" "-visit"))
1650 ;; An explicit option to specify visiting a file.
1651 (setq tem (or argval (pop command-line-args-left)))
1652 (unless (stringp tem)
1653 (error "File name omitted from `%s' option" argi))
1654 (setq file-count (1+ file-count))
1655 (let ((file (expand-file-name
1656 (command-line-normalize-file-name tem) dir)))
1657 (if (= file-count 1)
1658 (setq first-file-buffer (find-file file))
1659 (find-file-other-window file)))
1663 (unless (< column 1)
1664 (move-to-column (1- column)))
1668 (setq just-files t))
1670 ;; We have almost exhausted our options. See if the
1671 ;; user has made any other command-line options available
1672 (let ((hooks command-line-functions) ;; lrs 7/31/89
1675 (not (setq did-hook (funcall (car hooks)))))
1676 (setq hooks (cdr hooks)))
1678 ;; Presume that the argument is a file name.
1680 (if (string-match "\\`-" argi)
1681 (error "Unknown option `%s'" argi))
1682 (setq file-count (1+ file-count))
1685 (command-line-normalize-file-name orig-argi)
1687 (if (= file-count 1)
1688 (setq first-file-buffer (find-file file))
1689 (find-file-other-window file)))
1693 (unless (< column 1)
1694 (move-to-column (1- column)))
1695 (setq column 0))))))))
1697 ;; If 3 or more files visited, and not all visible,
1698 ;; show user what they all are. But leave the last one current.
1699 (and (> file-count 2)
1700 (not noninteractive)
1701 (not inhibit-startup-buffer-menu)
1702 (or (get-buffer-window first-file-buffer)
1705 ;; Maybe display a startup screen.
1706 (unless (or inhibit-startup-message
1709 ;; Don't display startup screen if init file
1710 ;; has started some sort of server.
1711 (and (fboundp 'process-list)
1713 ;; Display a startup screen, after some preparations.
1715 ;; If there are no switches to process, we might as well
1716 ;; run this hook now, and there may be some need to do it
1717 ;; before doing any output.
1718 (run-hooks 'emacs-startup-hook)
1719 (and term-setup-hook
1720 (run-hooks 'term-setup-hook))
1721 (setq inhibit-startup-hooks t)
1723 ;; It's important to notice the user settings before we
1724 ;; display the startup message; otherwise, the settings
1725 ;; won't take effect until the user gives the first
1726 ;; keystroke, and that's distracting.
1727 (when (fboundp 'frame-notice-user-settings)
1728 (frame-notice-user-settings))
1730 ;; If there are no switches to process, we might as well
1731 ;; run this hook now, and there may be some need to do it
1732 ;; before doing any output.
1733 (when window-setup-hook
1734 (run-hooks 'window-setup-hook)
1735 ;; Don't let the hook be run twice.
1736 (setq window-setup-hook nil))
1738 ;; Do this now to avoid an annoying delay if the user
1739 ;; clicks the menu bar during the sit-for.
1740 (when (display-popup-menus-p)
1741 (precompute-menubar-bindings))
1743 (setq menubar-bindings-done t))
1745 ;; If *scratch* is selected and it is empty, insert an
1746 ;; initial message saying not to create a file there.
1747 (when (and initial-scratch-message
1748 (equal (buffer-name) "*scratch*")
1749 (= 0 (buffer-size)))
1750 (insert initial-scratch-message)
1751 (set-buffer-modified-p nil))
1753 ;; If user typed input during all that work,
1754 ;; abort the startup screen. Otherwise, display it now.
1755 (unless (input-pending-p)
1756 (display-splash-screen))))
1759 (defun command-line-normalize-file-name (file)
1760 "Collapse multiple slashes to one, to handle non-Emacs file names."
1762 ;; Use arg 1 so that we don't collapse // at the start of the file name.
1763 ;; That is significant on some systems.
1764 ;; However, /// at the beginning is supposed to mean just /, not //.
1765 (if (string-match "^///+" file)
1766 (setq file (replace-match "/" t t file)))
1767 (while (string-match "//+" file 1)
1768 (setq file (replace-match "/" t t file)))
1771 ;; arch-tag: 7e294698-244d-4758-984b-4047f887a5db
1772 ;;; startup.el ends here