Replace `string-to-int' by `string-to-number'.
[bpt/emacs.git] / lisp / startup.el
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1;;; startup.el --- process Emacs shell arguments
2
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3;; Copyright (C) 1985, 1986, 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
4;; 2001, 2002, 2004, 2005 Free Software Foundation, Inc.
eea8d4ef 5
630cc463 6;; Maintainer: FSF
d7b4d18f 7;; Keywords: internal
630cc463 8
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9;; This file is part of GNU Emacs.
10
11;; GNU Emacs is free software; you can redistribute it and/or modify
12;; it under the terms of the GNU General Public License as published by
4746118a 13;; the Free Software Foundation; either version 2, or (at your option)
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14;; any later version.
15
16;; GNU Emacs is distributed in the hope that it will be useful,
17;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19;; GNU General Public License for more details.
20
21;; You should have received a copy of the GNU General Public License
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22;; along with GNU Emacs; see the file COPYING. If not, write to the
23;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
24;; Boston, MA 02111-1307, USA.
a726e0d1 25
630cc463 26;;; Commentary:
a726e0d1 27
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28;; This file parses the command line and gets Emacs running. Options
29;; on the command line are handled in precedence order. For priorities
30;; see the structure standard_args in the emacs.c file.
a726e0d1 31
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32;;; Code:
33
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34(setq top-level '(normal-top-level))
35
42a3e6fa 36(defvar command-line-processed nil
2879a13b 37 "Non-nil once command line has been processed.")
a726e0d1 38
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39(defgroup initialization nil
40 "Emacs start-up procedure"
41 :group 'internal)
42
43(defcustom inhibit-startup-message nil
1d7da582 44 "*Non-nil inhibits the initial startup message.
a726e0d1 45This is for use in your personal init file, once you are familiar
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46with the contents of the startup message."
47 :type 'boolean
48 :group 'initialization)
a726e0d1 49
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50(defvaralias 'inhibit-splash-screen 'inhibit-startup-message)
51
42a3e6fa 52(defcustom inhibit-startup-echo-area-message nil
1d7da582 53 "*Non-nil inhibits the initial startup echo area message.
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54Setting this variable takes effect
55only if you do it with the customization buffer
94487c4e 56or if your `.emacs' file contains a line of this form:
54a003f7 57 (setq inhibit-startup-echo-area-message \"YOUR-USER-NAME\")
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58If your `.emacs' file is byte-compiled, use the following form instead:
59 (eval '(setq inhibit-startup-echo-area-message \"YOUR-USER-NAME\"))
1d7da582 60Thus, someone else using a copy of your `.emacs' file will see
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61the startup message unless he personally acts to inhibit it."
62 :type '(choice (const :tag "Don't inhibit")
63 (string :tag "Enter your user name, to inhibit"))
64 :group 'initialization)
1d7da582 65
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66(defcustom inhibit-default-init nil
67 "*Non-nil inhibits loading the `default' library."
68 :type 'boolean
69 :group 'initialization)
a726e0d1 70
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71(defcustom inhibit-startup-buffer-menu nil
72 "*Non-nil inhibits display of buffer list when more than 2 files are loaded."
73 :type 'boolean
74 :group 'initialization)
75
d7fa5aa2 76(defvar command-switch-alist nil
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77 "Alist of command-line switches.
78Elements look like (SWITCH-STRING . HANDLER-FUNCTION).
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79HANDLER-FUNCTION receives the switch string as its sole argument;
80the remaining command-line args are in the variable `command-line-args-left'.")
a726e0d1 81
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82(defvar command-line-args-left nil
83 "List of command-line args not yet processed.")
84
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85(defvar command-line-functions nil ;; lrs 7/31/89
86 "List of functions to process unrecognized command-line arguments.
87Each function should access the dynamically bound variables
b4484ea8 88`argi' (the current argument) and `command-line-args-left' (the remaining
a726e0d1 89arguments). The function should return non-nil only if it recognizes and
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90processes `argi'. If it does so, it may consume successive arguments by
91altering `command-line-args-left' to remove them.")
a726e0d1 92
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93(defvar command-line-default-directory nil
94 "Default directory to use for command line arguments.
95This is normally copied from `default-directory' when Emacs starts.")
96
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97;;; This is here, rather than in x-win.el, so that we can ignore these
98;;; options when we are not using X.
46cfd295 99(defconst command-line-x-option-alist
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100 '(("-bw" 1 x-handle-numeric-switch border-width)
101 ("-d" 1 x-handle-display)
102 ("-display" 1 x-handle-display)
5676ab57 103 ("-name" 1 x-handle-name-switch)
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104 ("-title" 1 x-handle-switch title)
105 ("-T" 1 x-handle-switch title)
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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)
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112 ("-fs" 0 x-handle-initial-switch fullscreen fullboth)
113 ("-fw" 0 x-handle-initial-switch fullscreen fullwidth)
114 ("-fh" 0 x-handle-initial-switch fullscreen fullheight)
b3afdeb8 115 ("-ib" 1 x-handle-numeric-switch internal-border-width)
1f7f78f1 116 ("-g" 1 x-handle-geometry)
9ff6bda1 117 ("-lsp" 1 x-handle-numeric-switch line-spacing)
1f7f78f1 118 ("-geometry" 1 x-handle-geometry)
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119 ("-fg" 1 x-handle-switch foreground-color)
120 ("-foreground" 1 x-handle-switch foreground-color)
121 ("-bg" 1 x-handle-switch background-color)
122 ("-background" 1 x-handle-switch background-color)
123 ("-ms" 1 x-handle-switch mouse-color)
124 ("-itype" 0 x-handle-switch icon-type t)
125 ("-i" 0 x-handle-switch icon-type t)
126 ("-iconic" 0 x-handle-iconic)
127 ("-xrm" 1 x-handle-xrm-switch)
128 ("-cr" 1 x-handle-switch cursor-color)
129 ("-vb" 0 x-handle-switch vertical-scroll-bars t)
130 ("-hb" 0 x-handle-switch horizontal-scroll-bars t)
131 ("-bd" 1 x-handle-switch)
132 ("--border-width" 1 x-handle-numeric-switch border-width)
133 ("--display" 1 x-handle-display)
5676ab57 134 ("--name" 1 x-handle-name-switch)
7775acb8 135 ("--title" 1 x-handle-switch title)
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136 ("--reverse-video" 0 x-handle-switch reverse t)
137 ("--font" 1 x-handle-switch font)
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138 ("--fullscreen" 0 x-handle-initial-switch fullscreen fullboth)
139 ("--fullwidth" 0 x-handle-initial-switch fullscreen fullwidth)
140 ("--fullheight" 0 x-handle-initial-switch fullscreen fullheight)
b3afdeb8 141 ("--internal-border" 1 x-handle-numeric-switch internal-border-width)
1f7f78f1 142 ("--geometry" 1 x-handle-geometry)
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143 ("--foreground-color" 1 x-handle-switch foreground-color)
144 ("--background-color" 1 x-handle-switch background-color)
145 ("--mouse-color" 1 x-handle-switch mouse-color)
146 ("--icon-type" 0 x-handle-switch icon-type t)
147 ("--iconic" 0 x-handle-iconic)
148 ("--xrm" 1 x-handle-xrm-switch)
149 ("--cursor-color" 1 x-handle-switch cursor-color)
150 ("--vertical-scroll-bars" 0 x-handle-switch vertical-scroll-bars t)
9ff6bda1 151 ("--line-spacing" 1 x-handle-numeric-switch line-spacing)
7f944e8e 152 ("--border-color" 1 x-handle-switch border-color)
ca57f55d 153 ("--smid" 1 x-handle-smid))
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154 "Alist of X Windows options.
155Each element has the form
156 (NAME NUMARGS HANDLER FRAME-PARAM VALUE)
157where NAME is the option name string, NUMARGS is the number of arguments
158that the option accepts, HANDLER is a function to call to handle the option.
159FRAME-PARAM (optional) is the frame parameter this option specifies,
160and VALUE is the value which is given to that frame parameter
161\(most options use the argument for this, so VALUE is not present).")
162
e3bd99f5 163(defvar before-init-hook nil
db3f571a 164 "Normal hook run after handling urgent options but before loading init files.")
3fc958a4 165
e3bd99f5 166(defvar after-init-hook nil
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167 "Normal hook run after loading the init files, `~/.emacs' and `default.el'.
168There is no `condition-case' around the running of these functions;
169therefore, if you set `debug-on-error' non-nil in `.emacs',
170an error in one of these functions will invoke the debugger.")
171
172(defvar emacs-startup-hook nil
173 "Normal hook run after loading init files and handling the command line.")
e3bd99f5 174
a726e0d1 175(defvar term-setup-hook nil
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176 "Normal hook run after loading terminal-specific Lisp code.
177It also follows `emacs-startup-hook'. This hook exists for users to set,
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178so as to override the definitions made by the terminal-specific file.
179Emacs never sets this variable itself.")
180
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181(defvar inhibit-startup-hooks nil
182 "Non-nil means don't run `term-setup-hook' and `emacs-startup-hook'.
183This is because we already did so.")
184
a726e0d1 185(defvar keyboard-type nil
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186 "The brand of keyboard you are using.
187This variable is used to define
a726e0d1 188the proper function and keypad keys for use under X. It is used in a
94487c4e 189fashion analogous to the environment variable TERM.")
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190
191(defvar window-setup-hook nil
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192 "Normal hook run to initialize window system display.
193Emacs runs this hook after processing the command line arguments and loading
194the user's init file.")
a726e0d1 195
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196(defcustom initial-major-mode 'lisp-interaction-mode
197 "Major mode command symbol to use for the initial *scratch* buffer."
ce2f921e 198 :type 'function
42a3e6fa 199 :group 'initialization)
a726e0d1 200
42a3e6fa 201(defcustom init-file-user nil
a726e0d1 202 "Identity of user whose `.emacs' file is or was read.
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203The value is nil if `-q' or `--no-init-file' was specified,
204meaning do not load any init file.
205
206Otherwise, the value may be the null string, meaning use the init file
207for the user that originally logged in, or it may be a
208string containing a user's name meaning use that person's init file.
a726e0d1 209
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210In either of the latter cases, `(concat \"~\" init-file-user \"/\")'
211evaluates to the name of the directory where the `.emacs' file was
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212looked for.
213
214Setting `init-file-user' does not prevent Emacs from loading
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215`site-start.el'. The only way to do that is to use `--no-site-file'."
216 :type '(choice (const :tag "none" nil) string)
217 :group 'initialization)
a726e0d1 218
42a3e6fa 219(defcustom site-run-file "site-start"
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220 "File containing site-wide run-time initializations.
221This file is loaded at run-time before `~/.emacs'. It contains inits
222that need to be in place for the entire site, but which, due to their
fcaf7de9 223higher incidence of change, don't make sense to load into Emacs's
b7444d31 224dumped image. Thus, the run-time load order is: 1. file described in
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225this variable, if non-nil; 2. `~/.emacs'; 3. `default.el'.
226
227Don't use the `site-start.el' file for things some users may not like.
228Put them in `default.el' instead, so that users can more easily
229override them. Users can prevent loading `default.el' with the `-q'
230option or by setting `inhibit-default-init' in their own init files,
231but inhibiting `site-start.el' requires `--no-site-file', which
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232is less convenient.
233
234This variable is defined for customization so as to make
235it visible in the relevant context. However, actually customizing it
236is not allowed, since it would not work anyway. The only way to set
237this variable usefully is to set it during while building and dumping Emacs."
93812130 238 :type '(choice (const :tag "none" nil) string)
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239 :group 'initialization
240 :initialize 'custom-initialize-default
241 :set '(lambda (variable value)
242 (error "Customizing `site-run-file' does not work")))
b7444d31 243
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244(defcustom mail-host-address nil
245 "*Name of this machine, for purposes of naming users."
246 :type '(choice (const nil) string)
247 :group 'mail)
c13fbb62 248
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249(defcustom user-mail-address (if command-line-processed
250 (concat (user-login-name) "@"
251 (or mail-host-address
252 (system-name)))
253 ;; Empty string means "not set yet".
254 "")
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255 "*Full mailing address of this user.
256This is initialized based on `mail-host-address',
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257after your init file is read, in case it sets `mail-host-address'."
258 :type 'string
259 :group 'mail)
c10d1f06 260
42a3e6fa 261(defcustom auto-save-list-file-prefix
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262 (cond ((eq system-type 'ms-dos)
263 ;; MS-DOS cannot have initial dot, and allows only 8.3 names
4b33deaa 264 "~/_emacs.d/auto-save.list/_s")
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265 (t
266 "~/.emacs.d/auto-save-list/.saves-"))
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267 "Prefix for generating `auto-save-list-file-name'.
268This is used after reading your `.emacs' file to initialize
269`auto-save-list-file-name', by appending Emacs's pid and the system name,
270if you have not already set `auto-save-list-file-name' yourself.
73f13e5a 271Directories in the prefix will be created if necessary.
cdee38c3 272Set this to nil if you want to prevent `auto-save-list-file-name'
42a3e6fa 273from being initialized."
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274 :type '(choice (const :tag "Don't record a session's auto save list" nil)
275 string)
42a3e6fa 276 :group 'auto-save)
2e05d063 277
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278(defvar emacs-quick-startup nil)
279
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280(defvar emacs-basic-display nil)
281
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282(defvar init-file-debug nil)
283
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284(defvar init-file-had-error nil)
285
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286(defvar normal-top-level-add-subdirs-inode-list nil)
287
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288(defvar no-blinking-cursor nil)
289
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290(defvar pure-space-overflow nil
291 "Non-nil if building Emacs overflowed pure space.")
292
859e15c1 293(defun normal-top-level-add-subdirs-to-load-path ()
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294 "Add all subdirectories of current directory to `load-path'.
295More precisely, this uses only the subdirectories whose names
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296start with letters or digits; it excludes any subdirectory named `RCS'
297or `CVS', and any subdirectory that contains a file named `.nosearch'."
f1180544 298 (let (dirs
95eada65 299 attrs
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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.
303 (while pending
4e0a3971 304 (push (pop pending) dirs)
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305 (let* ((this-dir (car dirs))
306 (contents (directory-files this-dir))
307 (default-directory this-dir)
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308 (canonicalized (if (fboundp 'untranslated-canonical-name)
309 (untranslated-canonical-name this-dir))))
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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))))
95eada65 315 (unless (member attrs normal-top-level-add-subdirs-inode-list)
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316 (push attrs normal-top-level-add-subdirs-inode-list)
317 (dolist (file contents)
c4a40544 318 ;; The lower-case variants of RCS and CVS are for DOS/Windows.
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319 (unless (member file '("." ".." "RCS" "CVS" "rcs" "cvs"))
320 (when (and (string-match "\\`[[:alnum:]]" file)
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321 ;; Avoid doing a `stat' when it isn't necessary
322 ;; because that can cause trouble when an NFS server
323 ;; is down.
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324 (not (string-match "\\.elc?\\'" file))
325 (file-directory-p file))
326 (let ((expanded (expand-file-name file)))
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327 (unless (file-exists-p (expand-file-name ".nosearch"
328 expanded))
4e0a3971 329 (setq pending (nconc pending (list expanded)))))))))))
bb15e81a 330 (normal-top-level-add-to-load-path (cdr (nreverse dirs)))))
859e15c1 331
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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.
e87a7309 337(defun normal-top-level-add-to-load-path (dirs)
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338 (let ((tail load-path)
339 (thisdir (directory-file-name default-directory)))
340 (while (and tail
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341 ;;Don't go all the way to the nil terminator.
342 (cdr tail)
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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)))
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347 ;;Splice the new section in.
348 (when tail
349 (setcdr tail (append (mapcar 'expand-file-name dirs) (cdr tail))))))
e87a7309 350
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351(defun normal-top-level ()
352 (if command-line-processed
353 (message "Back to top level.")
354 (setq command-line-processed t)
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355 ;; Give *Messages* the same default-directory as *scratch*,
356 ;; just to keep things predictable.
357 (let ((dir default-directory))
fcaf7de9 358 (with-current-buffer "*Messages*"
8d4c2221 359 (setq default-directory dir)))
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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)))
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363 ;; For root, preserve owner and group when editing files.
364 (if (equal (user-uid) 0)
365 (setq backup-by-copying-when-mismatch t))
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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,
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369 ;; Look for a leim-list.el file too. Loading it will register
370 ;; available input methods.
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371 (dolist (dir load-path)
372 (let ((default-directory dir))
373 (load (expand-file-name "subdirs.el") t t t))
374 (let ((default-directory dir))
375 (load (expand-file-name "leim-list.el") t t t)))
376 (unless (eq system-type 'vax-vms)
377 ;; If the PWD environment variable isn't accurate, delete it.
378 (let ((pwd (getenv "PWD")))
379 (and (stringp pwd)
380 ;; Use FOO/., so that if FOO is a symlink, file-attributes
381 ;; describes the directory linked to, not FOO itself.
382 (or (equal (file-attributes
383 (concat (file-name-as-directory pwd) "."))
384 (file-attributes
385 (concat (file-name-as-directory default-directory)
386 ".")))
387 (setq process-environment
388 (delete (concat "PWD=" pwd)
389 process-environment))))))
492878e4 390 (setq default-directory (abbreviate-file-name default-directory))
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391 (let ((menubar-bindings-done nil))
392 (unwind-protect
393 (command-line)
394 ;; Do this again, in case .emacs defined more abbreviations.
395 (setq default-directory (abbreviate-file-name default-directory))
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396 ;; Specify the file for recording all the auto save files of this session.
397 ;; This is used by recover-session.
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398 (or auto-save-list-file-name
399 (and auto-save-list-file-prefix
400 (setq auto-save-list-file-name
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401 ;; Under MS-DOS our PID is almost always reused between
402 ;; Emacs invocations. We need something more unique.
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403 (cond ((eq system-type 'ms-dos)
404 ;; We are going to access the auto-save
405 ;; directory, so make sure it exists.
406 (make-directory
407 (file-name-directory auto-save-list-file-prefix)
408 t)
f1180544 409 (concat
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410 (make-temp-name
411 (expand-file-name
412 auto-save-list-file-prefix))
413 "~"))
414 (t
415 (expand-file-name
416 (format "%s%d-%s~"
417 auto-save-list-file-prefix
418 (emacs-pid)
419 (system-name))))))))
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420 (unless inhibit-startup-hooks
421 (run-hooks 'emacs-startup-hook)
422 (and term-setup-hook
423 (run-hooks 'term-setup-hook)))
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424
425 ;; Don't do this if we failed to create the initial frame,
426 ;; for instance due to a dense colormap.
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427 (when (or frame-initial-frame
428 ;; If frame-initial-frame has no meaning, do this anyway.
429 (not (and window-system
430 (not noninteractive)
431 (not (eq window-system 'pc)))))
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432 ;; Modify the initial frame based on what .emacs puts into
433 ;; ...-frame-alist.
434 (if (fboundp 'frame-notice-user-settings)
435 (frame-notice-user-settings))
436 (if (fboundp 'frame-set-background-mode)
437 ;; Set the faces for the initial background mode even if
438 ;; frame-notice-user-settings didn't (such as on a tty).
439 ;; frame-set-background-mode is idempotent, so it won't
440 ;; cause any harm if it's already been done.
441 (let ((frame-background-mode frame-background-mode)
442 (frame (selected-frame))
443 term)
444 (when (and (null window-system)
445 ;; Don't override a possibly customized value.
446 (null frame-background-mode)
447 ;; Don't override user specifications.
448 (null (frame-parameter frame 'reverse))
449 (let ((bg (frame-parameter frame 'background-color)))
450 (or (null bg)
451 (member bg '(unspecified "unspecified-bg")))))
452 (setq term (getenv "TERM"))
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453 ;; Some files in lisp/term do a better job with the
454 ;; background mode, but we leave this here anyway, in
455 ;; case they remove those files.
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456 (if (string-match "^\\(xterm\\|rxvt\\|dtterm\\|eterm\\)"
457 term)
458 (setq frame-background-mode 'light)))
459 (frame-set-background-mode (selected-frame)))))
13ab33c4 460
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461 ;; Now we know the user's default font, so add it to the menu.
462 (if (fboundp 'font-menu-add-default)
463 (font-menu-add-default))
464 (and window-setup-hook
465 (run-hooks 'window-setup-hook))
466 (or menubar-bindings-done
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467 (if (display-popup-menus-p)
468 (precompute-menubar-bindings)))))))
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469
470;; Precompute the keyboard equivalents in the menu bar items.
471(defun precompute-menubar-bindings ()
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472 (let ((submap (lookup-key global-map [menu-bar])))
473 (while submap
474 (and (consp (car submap))
475 (symbolp (car (car submap)))
476 (stringp (car-safe (cdr (car submap))))
477 (keymapp (cdr (cdr (car submap))))
a18042d7
RS
478 (progn
479 (x-popup-menu nil (cdr (cdr (car submap))))
480 (if purify-flag
481 (garbage-collect))))
365636dc 482 (setq submap (cdr submap))))
5b61c6a7 483 (setq define-key-rebound-commands t))
a726e0d1 484
c381f482
EZ
485;; Command-line options supported by tty's:
486(defconst tty-long-option-alist
8957d2bf
EZ
487 '(("--name" . "-name")
488 ("--title" . "-T")
489 ("--reverse-video" . "-reverse")
c381f482 490 ("--foreground-color" . "-fg")
8957d2bf
EZ
491 ("--background-color" . "-bg")
492 ("--color" . "-color")))
c381f482 493
b66b6aeb
GM
494(defconst tool-bar-images-pixel-height 24
495 "Height in pixels of images in the tool bar.")
496
3a55d3d0
JR
497(defvar tool-bar-originally-present nil
498 "Non-nil if tool-bars are present before user and site init files are read.")
499
bca8c7be 500;; Handle the X-like command-line arguments "-fg", "-bg", "-name", etc.
c381f482 501(defun tty-handle-args (args)
bca8c7be 502 (let (rest)
c381f482
EZ
503 (message "%s" args)
504 (while (and args
505 (not (equal (car args) "--")))
bca8c7be
MS
506 (let* ((argi (pop args))
507 (orig-argi argi)
508 argval completion)
c381f482
EZ
509 ;; Check for long options with attached arguments
510 ;; and separate out the attached option argument into argval.
bca8c7be
MS
511 (when (string-match "^\\(--[^=]*\\)=" argi)
512 (setq argval (substring argi (match-end 0))
513 argi (match-string 1 argi)))
514 (when (string-match "^--" argi)
515 (setq completion (try-completion argi tty-long-option-alist))
c381f482
EZ
516 (if (eq completion t)
517 ;; Exact match for long option.
bca8c7be 518 (setq argi (cdr (assoc argi tty-long-option-alist)))
c381f482
EZ
519 (if (stringp completion)
520 (let ((elt (assoc completion tty-long-option-alist)))
521 ;; Check for abbreviated long option.
522 (or elt
bca8c7be
MS
523 (error "Option `%s' is ambiguous" argi))
524 (setq argi (cdr elt)))
c381f482 525 ;; Check for a short option.
bca8c7be
MS
526 (setq argval nil
527 argi orig-argi))))
528 (cond ((member argi '("-fg" "-foreground"))
529 (push (cons 'foreground-color (or argval (pop args)))
530 default-frame-alist))
531 ((member argi '("-bg" "-background"))
532 (push (cons 'background-color (or argval (pop args)))
533 default-frame-alist))
534 ((member argi '("-T" "-name"))
535 (unless argval (setq argval (pop args)))
536 (push (cons 'title
537 (if (stringp argval)
538 argval
539 (let ((case-fold-search t)
540 i)
541 (setq argval (invocation-name))
542
543 ;; Change any . or * characters in name to
544 ;; hyphens, so as to emulate behavior on X.
545 (while
546 (setq i (string-match "[.*]" argval))
547 (aset argval i ?-))
548 argval)))
549 default-frame-alist))
550 ((member argi '("-r" "-rv" "-reverse"))
551 (push '(reverse . t)
552 default-frame-alist))
553 ((equal argi "-color")
554 (unless argval (setq argval 8)) ; default --color means 8 ANSI colors
555 (push (cons 'tty-color-mode
556 (cond
557 ((numberp argval) argval)
558 ((string-match "-?[0-9]+" argval)
559 (string-to-number argval))
560 (t (intern argval))))
561 default-frame-alist))
562 (t
563 (push argi rest)))))
564 (nreverse rest)))
c381f482 565
a726e0d1 566(defun command-line ()
09a1077c
RS
567 (setq command-line-default-directory default-directory)
568
849eedba 569 ;; Choose a reasonable location for temporary files.
a3194d03
SM
570 (custom-reevaluate-setting 'temporary-file-directory)
571 (custom-reevaluate-setting 'small-emporary-file-directory)
572 (custom-reevaluate-setting 'auto-save-file-name-transforms)
849eedba 573
74f2ab06 574 ;; See if we should import version-control from the environment variable.
a726e0d1
JB
575 (let ((vc (getenv "VERSION_CONTROL")))
576 (cond ((eq vc nil)) ;don't do anything if not set
bca8c7be 577 ((member vc '("t" "numbered"))
a726e0d1 578 (setq version-control t))
bca8c7be 579 ((member vc '("nil" "existing"))
a726e0d1 580 (setq version-control nil))
bca8c7be 581 ((member vc '("never" "simple"))
a726e0d1
JB
582 (setq version-control 'never))))
583
79058860
JB
584 ;;! This has been commented out; I currently find the behavior when
585 ;;! split-window-keep-point is nil disturbing, but if I can get used
586 ;;! to it, then it would be better to eliminate the option.
587 ;;! ;; Choose a good default value for split-window-keep-point.
588 ;;! (setq split-window-keep-point (> baud-rate 2400))
f35fe3c6 589
d4308a4d
EZ
590 ;; Set the default strings to display in mode line for
591 ;; end-of-line formats that aren't native to this platform.
592 (cond
593 ((memq system-type '(ms-dos windows-nt emx))
bca8c7be
MS
594 (setq eol-mnemonic-unix "(Unix)"
595 eol-mnemonic-mac "(Mac)"))
bde61f8b
EZ
596 ;; Both Mac and Unix EOLs are now "native" on Mac OS so keep the
597 ;; abbreviated strings `/' and `:' set in coding.c for them.
598 ((eq system-type 'macos)
599 (setq eol-mnemonic-dos "(DOS)"))
bca8c7be
MS
600 (t ; this is for Unix/GNU/Linux systems
601 (setq eol-mnemonic-dos "(DOS)"
602 eol-mnemonic-mac "(Mac)")))
d4308a4d 603
a726e0d1 604 ;; Read window system's init file if using a window system.
1ed14cfd
RS
605 (condition-case error
606 (if (and window-system (not noninteractive))
607 (load (concat term-file-prefix
608 (symbol-name window-system)
609 "-win")
610 ;; Every window system should have a startup file;
611 ;; barf if we can't find it.
612 nil t))
613 ;; If we can't read it, print the error message and exit.
614 (error
2677ad61
RS
615 (princ
616 (if (eq (car error) 'error)
617 (apply 'concat (cdr error))
618 (if (memq 'file-error (get (car error) 'error-conditions))
619 (format "%s: %s"
bca8c7be
MS
620 (nth 1 error)
621 (mapconcat (lambda (obj) (prin1-to-string obj t))
622 (cdr (cdr error)) ", "))
2677ad61 623 (format "%s: %s"
bca8c7be
MS
624 (get (car error) 'error-message)
625 (mapconcat (lambda (obj) (prin1-to-string obj t))
626 (cdr error) ", "))))
2677ad61 627 'external-debugging-output)
27f5188c 628 (terpri 'external-debugging-output)
2677ad61 629 (setq window-system nil)
1ed14cfd 630 (kill-emacs)))
a726e0d1 631
c381f482 632 ;; Windowed displays do this inside their *-win.el.
bca8c7be 633 (unless (or (display-graphic-p) noninteractive)
c381f482
EZ
634 (setq command-line-args (tty-handle-args command-line-args)))
635
640a9cdd
JR
636 (set-locale-environment nil)
637
c16eb7b0
RS
638 ;; Convert the arguments to Emacs internal representation.
639 (let ((args (cdr command-line-args)))
640 (while args
641 (setcar args
642 (decode-coding-string (car args) locale-coding-system t))
bca8c7be 643 (pop args)))
c16eb7b0 644
03e3c30a
JB
645 (let ((done nil)
646 (args (cdr command-line-args)))
647
a726e0d1
JB
648 ;; Figure out which user's init file to load,
649 ;; either from the environment or from the options.
650 (setq init-file-user (if noninteractive nil (user-login-name)))
651 ;; If user has not done su, use current $HOME to find .emacs.
bca8c7be
MS
652 (and init-file-user
653 (equal init-file-user (user-real-login-name))
a726e0d1 654 (setq init-file-user ""))
03e3c30a
JB
655
656 ;; Process the command-line args, and delete the arguments
657 ;; processed. This is consistent with the way main in emacs.c
658 ;; does things.
a726e0d1 659 (while (and (not done) args)
bca8c7be 660 (let* ((longopts '(("--no-init-file") ("--no-site-file") ("--user")
178b4542 661 ("--debug-init") ("--iconic") ("--icon-type")
7c9acaf3 662 ("--no-blinking-cursor") ("--bare-bones")))
bca8c7be
MS
663 (argi (pop args))
664 (orig-argi argi)
665 argval)
452e9090 666 ;; Handle --OPTION=VALUE format.
bca8c7be 667 (when (string-match "^\\(--[^=]*\\)=" argi)
1b207153 668 (setq argval (substring argi (match-end 0))
bca8c7be 669 argi (match-string 1 argi)))
1b207153
CW
670 (unless (equal argi "--")
671 (let ((completion (try-completion argi longopts)))
672 (if (eq completion t)
673 (setq argi (substring argi 1))
674 (if (stringp completion)
675 (let ((elt (assoc completion longopts)))
676 (or elt
677 (error "Option `%s' is ambiguous" argi))
678 (setq argi (substring (car elt) 1)))
bca8c7be
MS
679 (setq argval nil
680 argi orig-argi)))))
a726e0d1 681 (cond
dc58296d 682 ((member argi '("-Q" "-quick"))
e2c60824
KS
683 (setq init-file-user nil
684 site-run-file nil
dc58296d
RS
685 emacs-quick-startup t))
686 ((member argi '("-D" "-basic-display"))
687 (setq no-blinking-cursor t
688 emacs-basic-display t)
e2c60824 689 (push '(vertical-scroll-bars . nil) initial-frame-alist))
4e0a3971
SM
690 ((member argi '("-q" "-no-init-file"))
691 (setq init-file-user nil))
692 ((member argi '("-u" "-user"))
bca8c7be 693 (setq init-file-user (or argval (pop args))
4e0a3971 694 argval nil))
bca8c7be 695 ((equal argi "-no-site-file")
4e0a3971 696 (setq site-run-file nil))
bca8c7be 697 ((equal argi "-debug-init")
4e0a3971 698 (setq init-file-debug t))
bca8c7be 699 ((equal argi "-iconic")
4e0a3971 700 (push '(visibility . icon) initial-frame-alist))
bca8c7be 701 ((member argi '("-icon-type" "-i" "-itype"))
4e0a3971 702 (push '(icon-type . t) default-frame-alist))
178b4542
JL
703 ((member argi '("-nbc" "-no-blinking-cursor"))
704 (setq no-blinking-cursor t))
4e0a3971 705 ;; Push the popped arg back on the list of arguments.
bca8c7be
MS
706 (t
707 (push argi args)
708 (setq done t)))
096b7031
KH
709 ;; Was argval set but not used?
710 (and argval
711 (error "Option `%s' doesn't allow an argument" argi))))
712
03e3c30a 713 ;; Re-attach the program name to the front of the arg list.
bca8c7be
MS
714 (and command-line-args
715 (setcdr command-line-args args)))
a726e0d1 716
ed0fb1f1 717 ;; Under X Window, this creates the X frame and deletes the terminal frame.
14f16b9c
GM
718 (when (fboundp 'frame-initialize)
719 (frame-initialize))
720
ed0fb1f1 721 ;; Turn off blinking cursor if so specified in X resources. This is here
b08cb5a6 722 ;; only because all other settings of no-blinking-cursor are here.
ed0fb1f1
JD
723 (unless (or noninteractive
724 emacs-basic-display
725 (and (memq window-system '(x w32 mac))
726 (not (member (x-get-resource "cursorBlink" "CursorBlink")
727 '("off" "false")))))
728 (setq no-blinking-cursor t))
729
1fe0333f 730 ;; If frame was created with a menu bar, set menu-bar-mode on.
bca8c7be 731 (unless (or noninteractive
dc58296d 732 emacs-basic-display
bca8c7be
MS
733 (and (memq window-system '(x w32))
734 (<= (frame-parameter nil 'menu-bar-lines) 0)))
8ab9589d 735 (menu-bar-mode 1))
c722566c 736
7d1eb6a4 737 ;; If frame was created with a tool bar, switch tool-bar-mode on.
bca8c7be 738 (unless (or noninteractive
dc58296d 739 emacs-basic-display
bca8c7be
MS
740 (not (display-graphic-p))
741 (<= (frame-parameter nil 'tool-bar-lines) 0))
b66b6aeb 742 (tool-bar-mode 1))
7d1eb6a4 743
3413f928 744 ;; Can't do this init in defcustom because the relevant variables
a3194d03
SM
745 ;; are not set.
746 (custom-reevaluate-setting 'blink-cursor-mode)
747 (custom-reevaluate-setting 'normal-erase-is-backspace)
14f076a8 748
6d214425
LT
749 ;; If you change the code below, you need to also change the
750 ;; corresponding code in the tooltip-mode defcustom. The two need
751 ;; to be equivalent under all conditions, or Custom will get confused.
bca8c7be 752 (unless (or noninteractive
dc58296d 753 emacs-basic-display
bca8c7be
MS
754 (not (display-graphic-p))
755 (not (fboundp 'x-show-tip)))
3b73087e
GM
756 (tooltip-mode 1))
757
1592c1ef
EZ
758 ;; Register default TTY colors for the case the terminal hasn't a
759 ;; terminal init file.
bca8c7be
MS
760 (unless (memq window-system '(x w32))
761 ;; We do this regardles of whether the terminal supports colors
762 ;; or not, since they can switch that support on or off in
763 ;; mid-session by setting the tty-color-mode frame parameter.
764 (tty-register-default-colors))
1592c1ef 765
3a55d3d0
JR
766 ;; Record whether the tool-bar is present before the user and site
767 ;; init files are processed. frame-notice-user-settings uses this
768 ;; to determine if the tool-bar has been disabled by the init files,
769 ;; and the frame needs to be resized.
770 (when (fboundp 'frame-notice-user-settings)
771 (let ((tool-bar-lines (or (assq 'tool-bar-lines initial-frame-alist)
772 (assq 'tool-bar-lines default-frame-alist))))
773 (setq tool-bar-originally-present
bca8c7be
MS
774 (and tool-bar-lines
775 (cdr tool-bar-lines)
776 (not (eq 0 (cdr tool-bar-lines)))))))
3a55d3d0 777
752ef254
GM
778 (let ((old-scalable-fonts-allowed scalable-fonts-allowed)
779 (old-font-list-limit font-list-limit)
780 (old-face-ignored-fonts face-ignored-fonts))
781
782 (run-hooks 'before-init-hook)
783
784 ;; Run the site-start library if it exists. The point of this file is
785 ;; that it is run before .emacs. There is no point in doing this after
786 ;; .emacs; that is useless.
f1180544 787 (if site-run-file
752ef254
GM
788 (load site-run-file t t))
789
790 ;; Sites should not disable this. Only individuals should disable
791 ;; the startup message.
792 (setq inhibit-startup-message nil)
793
794 ;; Load that user's init file, or the default one, or none.
795 (let (debug-on-error-from-init-file
796 debug-on-error-should-be-set
797 (debug-on-error-initial
798 (if (eq init-file-debug t) 'startup init-file-debug))
799 (orig-enable-multibyte default-enable-multibyte-characters))
800 (let ((debug-on-error debug-on-error-initial)
801 ;; This function actually reads the init files.
802 (inner
803 (function
804 (lambda ()
805 (if init-file-user
806 (let ((user-init-file-1
4e0a3971 807 (cond
752ef254
GM
808 ((eq system-type 'ms-dos)
809 (concat "~" init-file-user "/_emacs"))
810 ((eq system-type 'windows-nt)
fe7ecaf2 811 ;; Prefer .emacs on Windows.
752ef254
GM
812 (if (directory-files "~" nil "^\\.emacs\\(\\.elc?\\)?$")
813 "~/.emacs"
fe7ecaf2
JR
814 ;; Also support _emacs for compatibility.
815 (if (directory-files "~" nil "^_emacs\\(\\.elc?\\)?$")
816 "~/_emacs"
817 ;; But default to .emacs if _emacs does not exist.
818 "~/.emacs")))
f1180544 819 ((eq system-type 'vax-vms)
752ef254 820 "sys$login:.emacs")
4e0a3971 821 (t
752ef254
GM
822 (concat "~" init-file-user "/.emacs")))))
823 ;; This tells `load' to store the file name found
824 ;; into user-init-file.
825 (setq user-init-file t)
826 (load user-init-file-1 t t)
f1180544 827
a04d5983
RS
828 (when (eq user-init-file t)
829 ;; If we did not find ~/.emacs, try
830 ;; ~/.emacs.d/.emacs.
831 (let ((otherfile
832 (expand-file-name
833 (file-name-nondirectory user-init-file-1)
834 (file-name-as-directory
835 (expand-file-name
836 ".emacs.d"
837 (file-name-directory user-init-file-1))))))
838 (load otherfile t t)
839
840 ;; If we did not find the user's init file,
841 ;; set user-init-file conclusively.
842 ;; Don't let it be set from default.el.
843 (when (eq user-init-file t)
844 (setq user-init-file user-init-file-1))))
f1180544 845
752ef254
GM
846 ;; If we loaded a compiled file, set
847 ;; `user-init-file' to the source version if that
848 ;; exists.
849 (when (and user-init-file
850 (equal (file-name-extension user-init-file)
851 "elc"))
852 (let* ((source (file-name-sans-extension user-init-file))
853 (alt (concat source ".el")))
854 (setq source (cond ((file-exists-p alt) alt)
855 ((file-exists-p source) source)
856 (t nil)))
857 (when source
858 (when (file-newer-than-file-p source user-init-file)
859 (message "Warning: %s is newer than %s"
860 source user-init-file)
861 (sit-for 1))
862 (setq user-init-file source))))
f1180544 863
bca8c7be
MS
864 (unless inhibit-default-init
865 (let ((inhibit-startup-message nil))
866 ;; Users are supposed to be told their rights.
867 ;; (Plus how to get help and how to undo.)
868 ;; Don't you dare turn this off for anyone
869 ;; except yourself.
870 (load "default" t t)))))))))
752ef254
GM
871 (if init-file-debug
872 ;; Do this without a condition-case if the user wants to debug.
873 (funcall inner)
874 (condition-case error
875 (progn
876 (funcall inner)
877 (setq init-file-had-error nil))
878 (error
879 (let ((message-log-max nil))
880 (save-excursion
881 (set-buffer (get-buffer-create "*Messages*"))
882 (insert "\n\n"
883 (format "An error has occurred while loading `%s':\n\n"
884 user-init-file)
885 (format "%s%s%s"
886 (get (car error) 'error-message)
887 (if (cdr error) ": " "")
f5b6cffd 888 (mapconcat (lambda (s) (prin1-to-string s t)) (cdr error) ", "))
752ef254 889 "\n\n"
f5b6cffd
KS
890 "To ensure normal operation, you should investigate and remove the\n"
891 "cause of the error in your initialization file. Start Emacs with\n"
892 "the `--debug-init' option to view a complete error backtrace.\n\n"))
752ef254
GM
893 (message "Error in init file: %s%s%s"
894 (get (car error) 'error-message)
895 (if (cdr error) ": " "")
896 (mapconcat 'prin1-to-string (cdr error) ", "))
f5b6cffd
KS
897 (let ((pop-up-windows nil))
898 (pop-to-buffer "*Messages*"))
752ef254 899 (setq init-file-had-error t)))))
ac3186fd
RS
900
901 ;; If the user has a file of abbrevs, read it.
902 (if (file-exists-p abbrev-file-name)
903 (quietly-read-abbrev-file abbrev-file-name))
904
70b199c3
RS
905 ;; If the abbrevs came entirely from the init file or the
906 ;; abbrevs file, they do not need saving.
907 (setq abbrevs-changed nil)
908
752ef254
GM
909 ;; If we can tell that the init file altered debug-on-error,
910 ;; arrange to preserve the value that it set up.
911 (or (eq debug-on-error debug-on-error-initial)
912 (setq debug-on-error-should-be-set t
913 debug-on-error-from-init-file debug-on-error)))
914 (if debug-on-error-should-be-set
915 (setq debug-on-error debug-on-error-from-init-file))
916 (unless (or default-enable-multibyte-characters
917 (eq orig-enable-multibyte default-enable-multibyte-characters))
918 ;; Init file changed to unibyte. Reset existing multibyte
919 ;; buffers (probably *scratch*, *Messages*, *Minibuff-0*).
920 ;; Arguably this should only be done if they're free of
921 ;; multibyte characters.
922 (mapcar (lambda (buffer)
923 (with-current-buffer buffer
924 (if enable-multibyte-characters
925 (set-buffer-multibyte nil))))
926 (buffer-list))
927 ;; Also re-set the language environment in case it was
928 ;; originally done before unibyte was set and is sensitive to
929 ;; unibyte (display table, terminal coding system &c).
930 (set-language-environment current-language-environment)))
f1180544 931
752ef254 932 ;; Do this here in case the init file sets mail-host-address.
5b88a2c5 933 (if (equal user-mail-address "")
752ef254
GM
934 (setq user-mail-address (concat (user-login-name) "@"
935 (or mail-host-address
936 (system-name)))))
937
938 ;; If parameter have been changed in the init file which influence
939 ;; face realization, clear the face cache so that new faces will
940 ;; be realized.
941 (unless (and (eq scalable-fonts-allowed old-scalable-fonts-allowed)
942 (eq font-list-limit old-font-list-limit)
943 (eq face-ignored-fonts old-face-ignored-fonts))
944 (clear-face-cache)))
f1180544 945
e3bd99f5
RM
946 (run-hooks 'after-init-hook)
947
1fc67c11 948 ;; Decode all default-directory.
cea927ed
KH
949 (if (and default-enable-multibyte-characters locale-coding-system)
950 (save-excursion
951 (dolist (elt (buffer-list))
952 (set-buffer elt)
953 (if default-directory
954 (setq default-directory
955 (decode-coding-string default-directory
956 locale-coding-system t))))
957 (setq command-line-default-directory
958 (decode-coding-string command-line-default-directory
959 locale-coding-system t))))
960
a726e0d1
JB
961 ;; If *scratch* exists and init file didn't change its mode, initialize it.
962 (if (get-buffer "*scratch*")
694210c4 963 (with-current-buffer "*scratch*"
a726e0d1
JB
964 (if (eq major-mode 'fundamental-mode)
965 (funcall initial-major-mode))))
f1180544 966
a726e0d1
JB
967 ;; Load library for our terminal type.
968 ;; User init file can set term-file-prefix to nil to prevent this.
bca8c7be
MS
969 (unless (or noninteractive
970 window-system
971 (null term-file-prefix))
972 (let ((term (getenv "TERM"))
973 hyphend)
974 (while (and term
975 (not (load (concat term-file-prefix term) t t)))
976 ;; Strip off last hyphen and what follows, then try again
977 (setq term
978 (if (setq hyphend (string-match "[-_][^-_]+$" term))
979 (substring term 0 hyphend)
92ab9897 980 nil)))))
a726e0d1 981
5777a167
RS
982 ;; Update the out-of-memory error message based on user's key bindings
983 ;; for save-some-buffers.
984 (setq memory-signal-data
985 (list 'error
986 (substitute-command-keys "Memory exhausted--use \\[save-some-buffers] then exit and restart Emacs")))
987
03e3c30a 988 ;; Process the remaining args.
a726e0d1
JB
989 (command-line-1 (cdr command-line-args))
990
991 ;; If -batch, terminate after processing the command options.
ca57f55d
JD
992 (if noninteractive (kill-emacs t))
993
994 ;; Run emacs-session-restore (session management) if started by
995 ;; the session manager and we have a session manager connection.
bca8c7be
MS
996 (if (and (boundp 'x-session-previous-id)
997 (stringp x-session-previous-id))
a99df87d
RS
998 (with-no-warnings
999 (emacs-session-restore x-session-previous-id))))
a726e0d1 1000
46cfd295 1001(defcustom initial-scratch-message (purecopy "\
3b79c219
GM
1002;; This buffer is for notes you don't want to save, and for Lisp evaluation.
1003;; If you want to create a file, visit that file with C-x C-f,
1004;; then enter the text in that file's own buffer.
9fe3219e 1005
46cfd295 1006")
9fe3219e
RS
1007 "Initial message displayed in *scratch* buffer at startup.
1008If this is nil, no message will be displayed."
fa071a47
RS
1009 :type '(choice (text :tag "Message")
1010 (const :tag "none" nil))
1011 :group 'initialization)
9fe3219e 1012
ce9ded5d
GM
1013\f
1014;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
1015;;; Fancy splash screen
1016;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
1017
1018(defvar fancy-splash-text
26ff68aa 1019 '((:face variable-pitch
926aa0ee 1020 "You can do basic editing with the menu bar and scroll bar \
926aa0ee 1021using the mouse.\n\n"
26ff68aa 1022 :face (variable-pitch :weight bold)
ce9ded5d 1023 "Important Help menu items:\n"
959f1226
TTN
1024 :face variable-pitch
1025 (lambda ()
1026 (let* ((en "TUTORIAL")
1027 (tut (or (get-language-info current-language-environment
1028 'tutorial)
1029 en))
1030 (title (with-temp-buffer
1031 (insert-file-contents
1032 (expand-file-name tut data-directory)
1033 nil 0 256)
1034 (search-forward ".")
1035 (buffer-substring (point-min) (1- (point))))))
1036 ;; If there is a specific tutorial for the current language
1037 ;; environment and it is not English, append its title.
1038 (concat
1039 "Emacs Tutorial\tLearn how to use Emacs efficiently"
1040 (if (string= en tut)
1041 ""
1042 (concat " (" title ")"))
1043 "\n")))
1044 :face variable-pitch "\
1fc02b3c 1045Emacs FAQ\tFrequently asked questions and answers
5777a167 1046Read the Emacs Manual\tView the Emacs manual using Info
1fc02b3c 1047\(Non)Warranty\tGNU Emacs comes with "
26ff68aa 1048 :face (variable-pitch :slant oblique)
ce9ded5d 1049 "ABSOLUTELY NO WARRANTY\n"
26ff68aa 1050 :face variable-pitch
d3c5bad2 1051 "\
d7618b60 1052Copying Conditions\tConditions for redistributing and changing Emacs
682b60ae 1053More Manuals / Ordering Manuals Buying printed manuals from the FSF\n")
d7618b60
GM
1054 (:face variable-pitch
1055 "You can do basic editing with the menu bar and scroll bar \
1056using the mouse.\n\n"
1057 :face (variable-pitch :weight bold)
1058 "Useful File menu items:\n"
1059 :face variable-pitch "\
1060Exit Emacs\t(Or type Control-x followed by Control-c)
dc58296d 1061Recover Crashed Session\tRecover files you were editing before a crash
d7618b60
GM
1062
1063
1064
3f334882 1065
d7618b60
GM
1066"
1067 ))
ce9ded5d
GM
1068 "A list of texts to show in the middle part of splash screens.
1069Each element in the list should be a list of strings or pairs
1070`:face FACE', like `fancy-splash-insert' accepts them.")
1071
1072
fb275c02 1073(defgroup fancy-splash-screen ()
a01bb1db 1074 "Fancy splash screen when Emacs starts."
fb275c02 1075 :version "21.1"
a01bb1db
GM
1076 :group 'initialization)
1077
1078
1ef0ffc6 1079(defcustom fancy-splash-delay 7
49939379 1080 "*Delay in seconds between splash screens."
a01bb1db 1081 :group 'fancy-splash-screen
ce9ded5d
GM
1082 :type 'integer)
1083
1084
1ef0ffc6 1085(defcustom fancy-splash-max-time 30
e9da51a1 1086 "*Show splash screens for at most this number of seconds.
1ef0ffc6 1087Values less than twice `fancy-splash-delay' are ignored."
e9da51a1
GM
1088 :group 'fancy-splash-screen
1089 :type 'integer)
1090
1091
8ad8561b
GM
1092(defcustom fancy-splash-image nil
1093 "*The image to show in the splash screens, or nil for defaults."
a01bb1db 1094 :group 'fancy-splash-screen
8ad8561b
GM
1095 :type '(choice (const :tag "Default" nil)
1096 (file :tag "File")))
ce9ded5d
GM
1097
1098
f645586f
GM
1099;; These are temporary storage areas for the splash screen display.
1100
1101(defvar fancy-current-text nil)
1102(defvar fancy-splash-help-echo nil)
e9da51a1 1103(defvar fancy-splash-stop-time nil)
eae91b60 1104(defvar fancy-splash-outer-buffer nil)
f645586f 1105
ce9ded5d
GM
1106(defun fancy-splash-insert (&rest args)
1107 "Insert text into the current buffer, with faces.
959f1226
TTN
1108Arguments from ARGS should be either strings, functions called
1109with no args that return a string, or pairs `:face FACE',
ce9ded5d 1110where FACE is a valid face specification, as it can be used with
a8a64bf4 1111`put-text-property'."
ce9ded5d
GM
1112 (let ((current-face nil))
1113 (while args
1114 (if (eq (car args) :face)
1115 (setq args (cdr args) current-face (car args))
959f1226
TTN
1116 (insert (propertize (let ((it (car args)))
1117 (if (functionp it)
1118 (funcall it)
1119 it))
f645586f
GM
1120 'face current-face
1121 'help-echo fancy-splash-help-echo)))
ce9ded5d
GM
1122 (setq args (cdr args)))))
1123
1124
1125(defun fancy-splash-head ()
1126 "Insert the head part of the splash screen into the current buffer."
51e8cfdd
GM
1127 (let* ((image-file (cond ((stringp fancy-splash-image)
1128 fancy-splash-image)
1129 ((and (display-color-p)
1130 (image-type-available-p 'xpm))
1131 (if (and (fboundp 'x-display-planes)
1132 (= (funcall 'x-display-planes) 8))
1133 "splash8.xpm"
1134 "splash.xpm"))
1135 (t "splash.pbm")))
1136 (img (create-image image-file))
ce9ded5d
GM
1137 (image-width (and img (car (image-size img))))
1138 (window-width (window-width (selected-window))))
1139 (when img
1140 (when (> window-width image-width)
f645586f 1141 ;; Center the image in the window.
e2c60824
KS
1142 (insert (propertize " " 'display
1143 `(space :align-to (+ center (-0.5 . ,img)))))
f645586f 1144
e7f3afa9
MB
1145 ;; Change the color of the XPM version of the splash image
1146 ;; so that it is visible with a dark frame background.
1147 (when (and (memq 'xpm img)
1148 (eq (frame-parameter nil 'background-mode) 'dark))
1149 (setq img (append img '(:color-symbols (("#000000" . "gray30"))))))
1150
f645586f
GM
1151 ;; Insert the image with a help-echo and a keymap.
1152 (let ((map (make-sparse-keymap))
a622451f 1153 (help-echo "mouse-2: browse http://www.gnu.org/"))
f645586f
GM
1154 (define-key map [mouse-2]
1155 (lambda ()
1156 (interactive)
a622451f 1157 (browse-url "http://www.gnu.org/")
f645586f
GM
1158 (throw 'exit nil)))
1159 (define-key map [down-mouse-2] 'ignore)
1160 (define-key map [up-mouse-2] 'ignore)
1161 (insert-image img (propertize "xxx" 'help-echo help-echo
1162 'keymap map)))
ce9ded5d 1163 (insert "\n"))))
9d5cf87c
RS
1164 (fancy-splash-insert
1165 :face '(variable-pitch :foreground "red")
1166 (if (eq system-type 'gnu/linux)
1167 "GNU Emacs is one component of the GNU/Linux operating system."
b831c087 1168 "GNU Emacs is one component of the GNU operating system."))
eae91b60
RS
1169 (insert "\n")
1170 (unless (equal (buffer-name fancy-splash-outer-buffer) "*scratch*")
1171 (fancy-splash-insert :face 'variable-pitch
1172 (substitute-command-keys
1173 "Type \\[recenter] to begin editing your file.\n"))))
ce9ded5d
GM
1174
1175
1176(defun fancy-splash-tail ()
1177 "Insert the tail part of the splash screen into the current buffer."
95fadcca
GM
1178 (let ((fg (if (eq (frame-parameter nil 'background-mode) 'dark)
1179 "cyan" "darkblue")))
1180 (fancy-splash-insert :face `(variable-pitch :foreground ,fg)
1181 "\nThis is "
1182 (emacs-version)
1183 "\n"
1184 :face '(variable-pitch :height 0.5)
dc58296d 1185 "Copyright (C) 2005 Free Software Foundation, Inc.")
ed638cc9
RS
1186 (and auto-save-list-file-prefix
1187 ;; Don't signal an error if the
1188 ;; directory for auto-save-list files
1189 ;; does not yet exist.
1190 (file-directory-p (file-name-directory
1191 auto-save-list-file-prefix))
1192 (directory-files
1193 (file-name-directory auto-save-list-file-prefix)
1194 nil
1195 (concat "\\`"
1196 (regexp-quote (file-name-nondirectory
1197 auto-save-list-file-prefix)))
1198 t)
1199 (fancy-splash-insert :face '(variable-pitch :foreground "red")
1200 "\n\nIf an Emacs session crashed recently, "
1201 "type M-x recover-session RET\nto recover"
1202 " the files you were editing."))))
ce9ded5d 1203
f645586f
GM
1204(defun fancy-splash-screens-1 (buffer)
1205 "Timer function displaying a splash screen."
e9da51a1
GM
1206 (when (> (float-time) fancy-splash-stop-time)
1207 (throw 'stop-splashing nil))
f645586f
GM
1208 (unless fancy-current-text
1209 (setq fancy-current-text fancy-splash-text))
1210 (let ((text (car fancy-current-text)))
1211 (set-buffer buffer)
1212 (erase-buffer)
b693e375
RS
1213 (if pure-space-overflow
1214 (insert "Warning Warning Pure space overflow Warning Warning\n"))
f645586f
GM
1215 (fancy-splash-head)
1216 (apply #'fancy-splash-insert text)
1217 (fancy-splash-tail)
1218 (unless (current-message)
1219 (message fancy-splash-help-echo))
1220 (set-buffer-modified-p nil)
dbeb499b 1221 (goto-char (point-min))
f645586f
GM
1222 (force-mode-line-update)
1223 (setq fancy-current-text (cdr fancy-current-text))))
1224
1225
1226(defun fancy-splash-default-action ()
732950b1
JB
1227 "Stop displaying the splash screen buffer.
1228This is an internal function used to turn off the splash screen after
1229the user caused an input event by hitting a key or clicking with the
1230mouse."
f645586f
GM
1231 (interactive)
1232 (push last-command-event unread-command-events)
1233 (throw 'exit nil))
1234
1235
ce9ded5d 1236(defun fancy-splash-screens ()
f645586f 1237 "Display fancy splash screens when Emacs starts."
5b61c6a7 1238 (setq fancy-splash-help-echo (startup-echo-area-message))
848c7757 1239 (let ((old-hourglass display-hourglass)
eae91b60
RS
1240 (fancy-splash-outer-buffer (current-buffer))
1241 splash-buffer
ff4ec1f7 1242 (old-minor-mode-map-alist minor-mode-map-alist)
6b20fb8e 1243 (frame (fancy-splash-frame))
5b61c6a7 1244 timer)
6b20fb8e
RS
1245 (save-selected-window
1246 (select-frame frame)
1247 (switch-to-buffer "GNU Emacs")
1248 (setq tab-width 20)
1249 (setq splash-buffer (current-buffer))
1250 (catch 'stop-splashing
1251 (unwind-protect
1252 (let ((map (make-sparse-keymap)))
1253 (use-local-map map)
1254 (define-key map [switch-frame] 'ignore)
1255 (define-key map [t] 'fancy-splash-default-action)
1256 (define-key map [mouse-movement] 'ignore)
1257 (define-key map [mode-line t] 'ignore)
1258 (setq cursor-type nil
1259 display-hourglass nil
1260 minor-mode-map-alist nil
1261 buffer-undo-list t
f1180544 1262 mode-line-format (propertize "---- %b %-"
6b20fb8e
RS
1263 'face '(:weight bold))
1264 fancy-splash-stop-time (+ (float-time)
1ef0ffc6 1265 fancy-splash-max-time)
6b20fb8e
RS
1266 timer (run-with-timer 0 fancy-splash-delay
1267 #'fancy-splash-screens-1
1268 splash-buffer))
1269 (recursive-edit))
e9da51a1 1270 (cancel-timer timer)
ff4ec1f7
GM
1271 (setq display-hourglass old-hourglass
1272 minor-mode-map-alist old-minor-mode-map-alist)
6b20fb8e
RS
1273 (kill-buffer splash-buffer))))))
1274
1275(defun fancy-splash-frame ()
1276 "Return the frame to use for the fancy splash screen.
1277Returning non-nil does not mean we should necessarily
1278use the fancy splash screen, but if we do use it,
1279we put it on this frame."
1280 (let (chosen-frame)
3a321ddb 1281 (dolist (frame (append (frame-list) (list (selected-frame))))
6b20fb8e
RS
1282 (if (and (frame-visible-p frame)
1283 (not (window-minibuffer-p (frame-selected-window frame))))
1284 (setq chosen-frame frame)))
1285 chosen-frame))
f645586f 1286
285991dc
GM
1287(defun use-fancy-splash-screens-p ()
1288 "Return t if fancy splash screens should be used."
9df076f2
GM
1289 (when (and (display-graphic-p)
1290 (or (and (display-color-p)
285991dc 1291 (image-type-available-p 'xpm))
9df076f2 1292 (image-type-available-p 'pbm)))
16d2fae9
JPW
1293 (let ((frame (fancy-splash-frame)))
1294 (when frame
1295 (let* ((img (create-image (or fancy-splash-image
1296 (if (and (display-color-p)
1297 (image-type-available-p 'xpm))
1298 "splash.xpm" "splash.pbm"))))
1299 (image-height (and img (cdr (image-size img))))
1300 (window-height (1- (window-height (frame-selected-window frame)))))
1301 (> window-height (+ image-height 19)))))))
285991dc
GM
1302
1303
c61453ea
PJ
1304(defun normal-splash-screen ()
1305 "Display splash screen when Emacs starts."
82e736c1
JPW
1306 (let ((prev-buffer (current-buffer)))
1307 (unwind-protect
1308 (with-current-buffer (get-buffer-create "GNU Emacs")
1309 (let ((tab-width 8)
f1180544 1310 (mode-line-format (propertize "---- %b %-"
82e736c1
JPW
1311 'face '(:weight bold))))
1312
b693e375
RS
1313 (if pure-space-overflow
1314 (insert "Warning Warning Pure space overflow Warning Warning\n"))
1315
82e736c1
JPW
1316 ;; The convention for this piece of code is that
1317 ;; each piece of output starts with one or two newlines
1318 ;; and does not end with any newlines.
1319 (insert "Welcome to GNU Emacs")
9d5cf87c
RS
1320 (insert
1321 (if (eq system-type 'gnu/linux)
1322 ", one component of the GNU/Linux operating system.\n"
1323 ", a part of the GNU operating system.\n"))
82e736c1
JPW
1324
1325 (unless (equal (buffer-name prev-buffer) "*scratch*")
1326 (insert (substitute-command-keys
1327 "\nType \\[recenter] to begin editing your file.\n")))
1328
1329 (if (display-mouse-p)
1330 ;; The user can use the mouse to activate menus
1331 ;; so give help in terms of menu items.
1332 (progn
1333 (insert "\
c61453ea
PJ
1334You can do basic editing with the menu bar and scroll bar using the mouse.
1335
1336Useful File menu items:
1337Exit Emacs (or type Control-x followed by Control-c)
1338Recover Session recover files you were editing before a crash
1339
1340Important Help menu items:
1341Emacs Tutorial Learn-by-doing tutorial for using Emacs efficiently.
1342Emacs FAQ Frequently asked questions and answers
5777a167 1343Read the Emacs Manual View the Emacs manual using Info
c61453ea
PJ
1344\(Non)Warranty GNU Emacs comes with ABSOLUTELY NO WARRANTY
1345Copying Conditions Conditions for redistributing and changing Emacs.
1346Getting New Versions How to obtain the latest version of Emacs.
682b60ae 1347More Manuals / Ordering Manuals How to order printed manuals from the FSF.
c61453ea 1348")
82e736c1
JPW
1349 (insert "\n\n" (emacs-version)
1350 "
b55c0dea 1351Copyright (C) 2004 Free Software Foundation, Inc."))
c61453ea 1352
82e736c1
JPW
1353 ;; No mouse menus, so give help using kbd commands.
1354
1355 ;; If keys have their default meanings,
1356 ;; use precomputed string to save lots of time.
1357 (if (and (eq (key-binding "\C-h") 'help-command)
1358 (eq (key-binding "\C-xu") 'advertised-undo)
1359 (eq (key-binding "\C-x\C-c") 'save-buffers-kill-emacs)
1360 (eq (key-binding "\C-ht") 'help-with-tutorial)
1361 (eq (key-binding "\C-hi") 'info)
1362 (eq (key-binding "\C-hr") 'info-emacs-manual)
1363 (eq (key-binding "\C-h\C-n") 'view-emacs-news))
1364 (insert "
c61453ea 1365Get help C-h (Hold down CTRL and press h)
5777a167
RS
1366Emacs manual C-h r
1367Emacs tutorial C-h t Undo changes C-x u
1368Buy manuals C-h C-m Exit Emacs C-x C-c
1369Browse manuals C-h i")
1370
82e736c1
JPW
1371 (insert (substitute-command-keys
1372 (format "\n
c61453ea 1373Get help %s
5777a167 1374Emacs manual \\[info-emacs-manual]
82e736c1
JPW
1375Emacs tutorial \\[help-with-tutorial]\tUndo changes\t\\[advertised-undo]
1376Buy manuals \\[view-order-manuals]\tExit Emacs\t\\[save-buffers-kill-emacs]
5777a167 1377Browse manuals \\[info]"
82e736c1
JPW
1378 (let ((where (where-is-internal
1379 'help-command nil t)))
1380 (if where
1381 (key-description where)
1382 "M-x help"))))))
1383
1384 ;; Say how to use the menu bar with the keyboard.
1385 (if (and (eq (key-binding "\M-`") 'tmm-menubar)
1386 (eq (key-binding [f10]) 'tmm-menubar))
1387 (insert "
c61453ea 1388Activate menubar F10 or ESC ` or M-`")
82e736c1 1389 (insert (substitute-command-keys "
c61453ea
PJ
1390Activate menubar \\[tmm-menubar]")))
1391
82e736c1
JPW
1392 ;; Many users seem to have problems with these.
1393 (insert "
c61453ea
PJ
1394\(`C-' means use the CTRL key. `M-' means use the Meta (or Alt) key.
1395If you have no Meta key, you may instead type ESC followed by the character.)")
1396
82e736c1
JPW
1397 (insert "\n\n" (emacs-version)
1398 "
b55c0dea 1399Copyright (C) 2004 Free Software Foundation, Inc.")
c61453ea 1400
82e736c1
JPW
1401 (if (and (eq (key-binding "\C-h\C-c") 'describe-copying)
1402 (eq (key-binding "\C-h\C-d") 'describe-distribution)
1403 (eq (key-binding "\C-h\C-w") 'describe-no-warranty))
f1180544 1404 (insert
82e736c1 1405 "\n
c61453ea
PJ
1406GNU Emacs comes with ABSOLUTELY NO WARRANTY; type C-h C-w for full details.
1407Emacs is Free Software--Free as in Freedom--so you can redistribute copies
1408of Emacs and modify it; type C-h C-c to see the conditions.
1409Type C-h C-d for information on getting the latest version.")
82e736c1
JPW
1410 (insert (substitute-command-keys
1411 "\n
c61453ea
PJ
1412GNU Emacs comes with ABSOLUTELY NO WARRANTY; type \\[describe-no-warranty] for full details.
1413Emacs is Free Software--Free as in Freedom--so you can redistribute copies
1414of Emacs and modify it; type \\[describe-copying] to see the conditions.
1415Type \\[describe-distribution] for information on getting the latest version."))))
1416
82e736c1
JPW
1417 ;; The rest of the startup screen is the same on all
1418 ;; kinds of terminals.
1419
1420 ;; Give information on recovering, if there was a crash.
1421 (and auto-save-list-file-prefix
1422 ;; Don't signal an error if the
1423 ;; directory for auto-save-list files
1424 ;; does not yet exist.
1425 (file-directory-p (file-name-directory
1426 auto-save-list-file-prefix))
1427 (directory-files
1428 (file-name-directory auto-save-list-file-prefix)
1429 nil
1430 (concat "\\`"
1431 (regexp-quote (file-name-nondirectory
1432 auto-save-list-file-prefix)))
1433 t)
1434 (insert "\n\nIf an Emacs session crashed recently, "
1435 "type M-x recover-session RET\nto recover"
1436 " the files you were editing."))
1437
1438 ;; Display the input that we set up in the buffer.
1439 (set-buffer-modified-p nil)
1440 (goto-char (point-min))
1441 (save-window-excursion
1442 (switch-to-buffer (current-buffer))
1443 (sit-for 120))))
1444 ;; Unwind ... ensure splash buffer is killed
1445 (kill-buffer "GNU Emacs"))))
1446
c61453ea 1447
f645586f
GM
1448(defun startup-echo-area-message ()
1449 (if (eq (key-binding "\C-h\C-p") 'describe-project)
1450 "For information about the GNU Project and its goals, type C-h C-p."
1451 (substitute-command-keys
1452 "For information about the GNU Project and its goals, type \
1453\\[describe-project].")))
ce9ded5d
GM
1454
1455
49939379 1456(defun display-startup-echo-area-message ()
15fa6db0
GM
1457 (let ((resize-mini-windows t))
1458 (message (startup-echo-area-message))))
f645586f 1459
49939379 1460
c61453ea
PJ
1461(defun display-splash-screen ()
1462 "Display splash screen according to display.
1463Fancy splash screens are used on graphic displays,
1464normal otherwise."
1465 (interactive)
9df076f2 1466 (if (use-fancy-splash-screens-p)
c61453ea
PJ
1467 (fancy-splash-screens)
1468 (normal-splash-screen)))
1469
1470
a726e0d1 1471(defun command-line-1 (command-line-args-left)
52320897 1472 (or noninteractive (input-pending-p) init-file-had-error
ed638cc9
RS
1473 ;; t if the init file says to inhibit the echo area startup message.
1474 (and inhibit-startup-echo-area-message
1475 user-init-file
1476 (or (and (get 'inhibit-startup-echo-area-message 'saved-value)
1477 (equal inhibit-startup-echo-area-message
bca8c7be 1478 (if (equal init-file-user "")
ed638cc9
RS
1479 (user-login-name)
1480 init-file-user)))
1481 ;; Wasn't set with custom; see if .emacs has a setq.
1482 (let ((buffer (get-buffer-create " *temp*")))
1483 (prog1
1484 (condition-case nil
1485 (save-excursion
1486 (set-buffer buffer)
1487 (insert-file-contents user-init-file)
1488 (re-search-forward
1489 (concat
1490 "([ \t\n]*setq[ \t\n]+"
1491 "inhibit-startup-echo-area-message[ \t\n]+"
1492 (regexp-quote
1493 (prin1-to-string
bca8c7be 1494 (if (equal init-file-user "")
ed638cc9
RS
1495 (user-login-name)
1496 init-file-user)))
1497 "[ \t\n]*)")
1498 nil t))
1499 (error nil))
1500 (kill-buffer buffer)))))
11dd83c8
GM
1501 ;; display-splash-screen at the end of command-line-1 calls
1502 ;; use-fancy-splash-screens-p. This can cause image.el to be
1503 ;; loaded, putting "Loading image... done" in the echo area.
1504 ;; This hides startup-echo-area-message. So
1505 ;; use-fancy-splash-screens-p is called here simply to get the
1506 ;; loading of image.el (if needed) out of the way before
1507 ;; display-startup-echo-area-message runs.
79f9f704 1508 (progn
79f9f704
GM
1509 (use-fancy-splash-screens-p)
1510 (display-startup-echo-area-message)))
ed638cc9
RS
1511
1512 ;; Delay 2 seconds after an init file error message
1513 ;; was displayed, so user can read it.
bca8c7be
MS
1514 (when init-file-had-error
1515 (sit-for 2))
1516
1517 (when command-line-args-left
1518 ;; We have command args; process them.
1519 (let ((dir command-line-default-directory)
1520 (file-count 0)
1521 first-file-buffer
1522 tem
b9687971
TTN
1523 ;; This approach loses for "-batch -L DIR --eval "(require foo)",
1524 ;; if foo is intended to be found in DIR.
1525 ;;
1526 ;; ;; The directories listed in --directory/-L options will *appear*
1527 ;; ;; at the front of `load-path' in the order they appear on the
1528 ;; ;; command-line. We cannot do this by *placing* them at the front
1529 ;; ;; in the order they appear, so we need this variable to hold them,
1530 ;; ;; temporarily.
1531 ;; extra-load-path
1532 ;;
1533 ;; To DTRT we keep track of the splice point and modify `load-path'
1534 ;; straight away upon any --directory/-L option.
1535 splice
bca8c7be
MS
1536 just-files ;; t if this follows the magic -- option.
1537 ;; This includes our standard options' long versions
1538 ;; and long versions of what's on command-switch-alist.
1539 (longopts
1540 (append '(("--funcall") ("--load") ("--insert") ("--kill")
1541 ("--directory") ("--eval") ("--execute") ("--no-splash")
1542 ("--find-file") ("--visit") ("--file"))
1543 (mapcar (lambda (elt)
1544 (list (concat "-" (car elt))))
1545 command-switch-alist)))
1546 (line 0)
1547 (column 0))
1548
1549 ;; Add the long X options to longopts.
1550 (dolist (tem command-line-x-option-alist)
1551 (if (string-match "^--" (car tem))
1552 (push (list (car tem)) longopts)))
1553
1554 ;; Loop, processing options.
1555 (while command-line-args-left
1556 (let* ((argi (car command-line-args-left))
1557 (orig-argi argi)
1558 argval completion)
1559 (setq command-line-args-left (cdr command-line-args-left))
1560
1561 ;; Do preliminary decoding of the option.
1562 (if just-files
1563 ;; After --, don't look for options; treat all args as files.
1564 (setq argi "")
1565 ;; Convert long options to ordinary options
1566 ;; and separate out an attached option argument into argval.
1567 (when (string-match "^\\(--[^=]*\\)=" argi)
1568 (setq argval (substring argi (match-end 0))
1569 argi (match-string 1 argi)))
1570 (if (equal argi "--")
1571 (setq completion nil)
1572 (setq completion (try-completion argi longopts)))
1573 (if (eq completion t)
1574 (setq argi (substring argi 1))
1575 (if (stringp completion)
1576 (let ((elt (assoc completion longopts)))
1577 (or elt
1578 (error "Option `%s' is ambiguous" argi))
1579 (setq argi (substring (car elt) 1)))
1580 (setq argval nil
1581 argi orig-argi))))
1582
1583 ;; Execute the option.
1584 (cond ((setq tem (assoc argi command-switch-alist))
1585 (if argval
1586 (let ((command-line-args-left
1587 (cons argval command-line-args-left)))
1588 (funcall (cdr tem) argi))
1589 (funcall (cdr tem) argi)))
1590
1591 ((equal argi "-no-splash")
1592 (setq inhibit-startup-message t))
1593
1594 ((member argi '("-f" ; what the manual claims
1595 "-funcall"
1596 "-e")) ; what the source used to say
1597 (setq tem (intern (or argval (pop command-line-args-left))))
f39864ec 1598 (if (commandp tem)
bca8c7be
MS
1599 (command-execute tem)
1600 (funcall tem)))
1601
1602 ((member argi '("-eval" "-execute"))
1603 (eval (read (or argval (pop command-line-args-left)))))
bca8c7be
MS
1604
1605 ((member argi '("-L" "-directory"))
b9687971
TTN
1606 (setq tem (expand-file-name
1607 (command-line-normalize-file-name
1608 (or argval (pop command-line-args-left)))))
1609 (cond (splice (setcdr splice (cons tem (cdr splice)))
1610 (setq splice (cdr splice)))
1611 (t (setq load-path (cons tem load-path)
1612 splice load-path))))
bca8c7be
MS
1613
1614 ((member argi '("-l" "-load"))
1615 (let* ((file (command-line-normalize-file-name
1616 (or argval (pop command-line-args-left))))
1617 ;; Take file from default dir if it exists there;
1618 ;; otherwise let `load' search for it.
1619 (file-ex (expand-file-name file)))
1620 (when (file-exists-p file-ex)
1621 (setq file file-ex))
1622 (load file nil t)))
1623
1624 ((equal argi "-insert")
1625 (setq tem (or argval (pop command-line-args-left)))
1626 (or (stringp tem)
1627 (error "File name omitted from `-insert' option"))
1628 (insert-file-contents (command-line-normalize-file-name tem)))
1629
1630 ((equal argi "-kill")
1631 (kill-emacs t))
1632
1633 ((string-match "^\\+[0-9]+\\'" argi)
027a4b6b 1634 (setq line (string-to-number argi)))
bca8c7be
MS
1635
1636 ((string-match "^\\+\\([0-9]+\\):\\([0-9]+\\)\\'" argi)
027a4b6b
JB
1637 (setq line (string-to-number (match-string 1 argi))
1638 column (string-to-number (match-string 2 argi))))
bca8c7be
MS
1639
1640 ((setq tem (assoc argi command-line-x-option-alist))
1641 ;; Ignore X-windows options and their args if not using X.
1642 (setq command-line-args-left
1643 (nthcdr (nth 1 tem) command-line-args-left)))
1644
1645 ((member argi '("-find-file" "-file" "-visit"))
1646 ;; An explicit option to specify visiting a file.
1647 (setq tem (or argval (pop command-line-args-left)))
1648 (unless (stringp tem)
1649 (error "File name omitted from `%s' option" argi))
1650 (setq file-count (1+ file-count))
1651 (let ((file (expand-file-name
1652 (command-line-normalize-file-name tem) dir)))
1653 (if (= file-count 1)
1654 (setq first-file-buffer (find-file file))
1655 (find-file-other-window file)))
1656 (or (zerop line)
1657 (goto-line line))
1658 (setq line 0)
1659 (unless (< column 1)
1660 (move-to-column (1- column)))
1661 (setq column 0))
1662
1663 ((equal argi "--")
1664 (setq just-files t))
1665 (t
1666 ;; We have almost exhausted our options. See if the
1667 ;; user has made any other command-line options available
1668 (let ((hooks command-line-functions) ;; lrs 7/31/89
1669 (did-hook nil))
1670 (while (and hooks
1671 (not (setq did-hook (funcall (car hooks)))))
1672 (setq hooks (cdr hooks)))
1673 (if (not did-hook)
1674 ;; Presume that the argument is a file name.
1675 (progn
1676 (if (string-match "\\`-" argi)
1677 (error "Unknown option `%s'" argi))
1678 (setq file-count (1+ file-count))
1679 (let ((file
1680 (expand-file-name
1681 (command-line-normalize-file-name orig-argi)
1682 dir)))
1683 (if (= file-count 1)
1684 (setq first-file-buffer (find-file file))
1685 (find-file-other-window file)))
1686 (or (zerop line)
1687 (goto-line line))
1688 (setq line 0)
1689 (unless (< column 1)
1690 (move-to-column (1- column)))
1691 (setq column 0))))))))
1692
bca8c7be
MS
1693 ;; If 3 or more files visited, and not all visible,
1694 ;; show user what they all are. But leave the last one current.
1695 (and (> file-count 2)
1696 (not noninteractive)
1697 (not inhibit-startup-buffer-menu)
1698 (or (get-buffer-window first-file-buffer)
1699 (list-buffers)))))
eae91b60
RS
1700
1701 ;; Maybe display a startup screen.
e2c60824
KS
1702 (unless (or inhibit-startup-message
1703 noninteractive
1704 emacs-quick-startup
eae91b60
RS
1705 ;; Don't display startup screen if init file
1706 ;; has started some sort of server.
e2c60824
KS
1707 (and (fboundp 'process-list)
1708 (process-list)))
eae91b60
RS
1709 ;; Display a startup screen, after some preparations.
1710
1711 ;; If there are no switches to process, we might as well
1712 ;; run this hook now, and there may be some need to do it
1713 ;; before doing any output.
deebb0e9 1714 (run-hooks 'emacs-startup-hook)
eae91b60
RS
1715 (and term-setup-hook
1716 (run-hooks 'term-setup-hook))
deebb0e9 1717 (setq inhibit-startup-hooks t)
eae91b60
RS
1718
1719 ;; It's important to notice the user settings before we
1720 ;; display the startup message; otherwise, the settings
1721 ;; won't take effect until the user gives the first
1722 ;; keystroke, and that's distracting.
1723 (when (fboundp 'frame-notice-user-settings)
1724 (frame-notice-user-settings))
1725
1726 ;; If there are no switches to process, we might as well
1727 ;; run this hook now, and there may be some need to do it
1728 ;; before doing any output.
1729 (when window-setup-hook
1730 (run-hooks 'window-setup-hook)
1731 ;; Don't let the hook be run twice.
1732 (setq window-setup-hook nil))
1733
1734 ;; Do this now to avoid an annoying delay if the user
1735 ;; clicks the menu bar during the sit-for.
1736 (when (display-popup-menus-p)
1737 (precompute-menubar-bindings))
d759a2f5
RS
1738 (with-no-warnings
1739 (setq menubar-bindings-done t))
ed638cc9 1740
eae91b60
RS
1741 ;; If *scratch* is selected and it is empty, insert an
1742 ;; initial message saying not to create a file there.
1743 (when (and initial-scratch-message
bca8c7be 1744 (equal (buffer-name) "*scratch*")
ed638cc9 1745 (= 0 (buffer-size)))
eae91b60
RS
1746 (insert initial-scratch-message)
1747 (set-buffer-modified-p nil))
ed638cc9 1748
eae91b60
RS
1749 ;; If user typed input during all that work,
1750 ;; abort the startup screen. Otherwise, display it now.
c61453ea
PJ
1751 (unless (input-pending-p)
1752 (display-splash-screen))))
c88ab9ce 1753
49939379 1754
47c7adae
RS
1755(defun command-line-normalize-file-name (file)
1756 "Collapse multiple slashes to one, to handle non-Emacs file names."
6b9e794f
RS
1757 (save-match-data
1758 ;; Use arg 1 so that we don't collapse // at the start of the file name.
1759 ;; That is significant on some systems.
1760 ;; However, /// at the beginning is supposed to mean just /, not //.
1761 (if (string-match "^///+" file)
1762 (setq file (replace-match "/" t t file)))
1763 (while (string-match "//+" file 1)
1764 (setq file (replace-match "/" t t file)))
1765 file))
47c7adae 1766
a3194d03 1767;; arch-tag: 7e294698-244d-4758-984b-4047f887a5db
c88ab9ce 1768;;; startup.el ends here