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06788a55 | 1 | ;;; startup.el --- process Emacs shell arguments -*- lexical-binding: t -*- |
c88ab9ce | 2 | |
98bd6b32 | 3 | ;; Copyright (C) 1985-1986, 1992, 1994-2014 Free Software Foundation, Inc. |
eea8d4ef | 4 | |
34dc21db | 5 | ;; Maintainer: emacs-devel@gnu.org |
d7b4d18f | 6 | ;; Keywords: internal |
bd78fa1d | 7 | ;; Package: emacs |
630cc463 | 8 | |
a726e0d1 JB |
9 | ;; This file is part of GNU Emacs. |
10 | ||
eb3fa2cf | 11 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
a726e0d1 | 12 | ;; it under the terms of the GNU General Public License as published by |
eb3fa2cf GM |
13 | ;; the Free Software Foundation, either version 3 of the License, or |
14 | ;; (at your option) any later version. | |
a726e0d1 JB |
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 | |
eb3fa2cf | 22 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
a726e0d1 | 23 | |
630cc463 | 24 | ;;; Commentary: |
a726e0d1 | 25 | |
6b61353c KH |
26 | ;; This file parses the command line and gets Emacs running. Options |
27 | ;; on the command line are handled in precedence order. For priorities | |
28 | ;; see the structure standard_args in the emacs.c file. | |
a726e0d1 | 29 | |
630cc463 ER |
30 | ;;; Code: |
31 | ||
a726e0d1 JB |
32 | (setq top-level '(normal-top-level)) |
33 | ||
42a3e6fa | 34 | (defvar command-line-processed nil |
2879a13b | 35 | "Non-nil once command line has been processed.") |
a726e0d1 | 36 | |
42a3e6fa | 37 | (defgroup initialization nil |
ca3685a3 | 38 | "Emacs start-up procedure." |
26cdce23 JL |
39 | :group 'environment) |
40 | ||
41 | (defcustom initial-buffer-choice nil | |
42 | "Buffer to show after starting Emacs. | |
490a1ad6 | 43 | If the value is nil and `inhibit-startup-screen' is nil, show the |
dc646358 CK |
44 | startup screen. If the value is a string, switch to a buffer |
45 | visiting the file or directory specified by that string. If the | |
46 | value is a function, switch to the buffer returned by that | |
47 | function. If t, open the `*scratch*' buffer. | |
48de8b12 CY |
48 | |
49 | A string value also causes emacsclient to open the specified file | |
50 | or directory when no target file is specified." | |
26cdce23 | 51 | :type '(choice |
490a1ad6 | 52 | (const :tag "Startup screen" nil) |
26cdce23 | 53 | (directory :tag "Directory" :value "~/") |
85b84319 | 54 | (file :tag "File" :value "~/.emacs") |
ef099a94 MN |
55 | (const :tag "Notes buffer" remember-notes) |
56 | (function :tag "Function") | |
621ef9ab | 57 | (const :tag "Lisp scratch buffer" t)) |
dc646358 | 58 | :version "24.4" |
26cdce23 | 59 | :group 'initialization) |
42a3e6fa | 60 | |
490a1ad6 | 61 | (defcustom inhibit-startup-screen nil |
249d9683 | 62 | "Non-nil inhibits the startup screen. |
249d9683 | 63 | |
eeaa563e JB |
64 | This is for use in your personal init file (but NOT site-start.el), |
65 | once you are familiar with the contents of the startup screen." | |
42a3e6fa RS |
66 | :type 'boolean |
67 | :group 'initialization) | |
a726e0d1 | 68 | |
490a1ad6 JL |
69 | (defvaralias 'inhibit-splash-screen 'inhibit-startup-screen) |
70 | (defvaralias 'inhibit-startup-message 'inhibit-startup-screen) | |
1b207153 | 71 | |
22a58255 | 72 | (defvar startup-screen-inhibit-startup-screen nil) |
1b207153 | 73 | |
33da7b16 GM |
74 | ;; FIXME? Why does this get such weirdly extreme treatment, when the |
75 | ;; more important inhibit-startup-screen does not. | |
42a3e6fa | 76 | (defcustom inhibit-startup-echo-area-message nil |
ea6c930a | 77 | "Non-nil inhibits the initial startup echo area message. |
42a3e6fa RS |
78 | Setting this variable takes effect |
79 | only if you do it with the customization buffer | |
865fe16f | 80 | or if your init file contains a line of this form: |
54a003f7 | 81 | (setq inhibit-startup-echo-area-message \"YOUR-USER-NAME\") |
865fe16f CY |
82 | If your init file is byte-compiled, use the following form |
83 | instead: | |
e5575c06 | 84 | (eval '(setq inhibit-startup-echo-area-message \"YOUR-USER-NAME\")) |
865fe16f CY |
85 | Thus, someone else using a copy of your init file will see the |
86 | startup message unless he personally acts to inhibit it." | |
42a3e6fa RS |
87 | :type '(choice (const :tag "Don't inhibit") |
88 | (string :tag "Enter your user name, to inhibit")) | |
89 | :group 'initialization) | |
1d7da582 | 90 | |
42a3e6fa | 91 | (defcustom inhibit-default-init nil |
ea6c930a | 92 | "Non-nil inhibits loading the `default' library." |
42a3e6fa RS |
93 | :type 'boolean |
94 | :group 'initialization) | |
a726e0d1 | 95 | |
802a980a | 96 | (defcustom inhibit-startup-buffer-menu nil |
ea6c930a | 97 | "Non-nil inhibits display of buffer list when more than 2 files are loaded." |
802a980a GM |
98 | :type 'boolean |
99 | :group 'initialization) | |
100 | ||
d7fa5aa2 | 101 | (defvar command-switch-alist nil |
a726e0d1 JB |
102 | "Alist of command-line switches. |
103 | Elements look like (SWITCH-STRING . HANDLER-FUNCTION). | |
6b61353c KH |
104 | HANDLER-FUNCTION receives the switch string as its sole argument; |
105 | the remaining command-line args are in the variable `command-line-args-left'.") | |
a726e0d1 | 106 | |
860befc8 RS |
107 | (defvar command-line-args-left nil |
108 | "List of command-line args not yet processed.") | |
109 | ||
aa5310e4 DK |
110 | (defvaralias 'argv 'command-line-args-left |
111 | "List of command-line args not yet processed. | |
112 | This is a convenience alias, so that one can write \(pop argv\) | |
113 | inside of --eval command line arguments in order to access | |
114 | following arguments.") | |
513749ee | 115 | (internal-make-var-non-special 'argv) |
aa5310e4 | 116 | |
513749ee SM |
117 | (defvar argi nil |
118 | "Current command-line argument.") | |
119 | (internal-make-var-non-special 'argi) | |
62f1ca49 | 120 | |
a726e0d1 JB |
121 | (defvar command-line-functions nil ;; lrs 7/31/89 |
122 | "List of functions to process unrecognized command-line arguments. | |
123 | Each function should access the dynamically bound variables | |
b4484ea8 | 124 | `argi' (the current argument) and `command-line-args-left' (the remaining |
a726e0d1 | 125 | arguments). The function should return non-nil only if it recognizes and |
b4484ea8 RS |
126 | processes `argi'. If it does so, it may consume successive arguments by |
127 | altering `command-line-args-left' to remove them.") | |
a726e0d1 | 128 | |
09a1077c RS |
129 | (defvar command-line-default-directory nil |
130 | "Default directory to use for command line arguments. | |
131 | This is normally copied from `default-directory' when Emacs starts.") | |
132 | ||
36cec983 SM |
133 | ;; This is here, rather than in x-win.el, so that we can ignore these |
134 | ;; options when we are not using X. | |
46cfd295 | 135 | (defconst command-line-x-option-alist |
b3afdeb8 RS |
136 | '(("-bw" 1 x-handle-numeric-switch border-width) |
137 | ("-d" 1 x-handle-display) | |
138 | ("-display" 1 x-handle-display) | |
5676ab57 | 139 | ("-name" 1 x-handle-name-switch) |
2c3fef40 RS |
140 | ("-title" 1 x-handle-switch title) |
141 | ("-T" 1 x-handle-switch title) | |
b3afdeb8 RS |
142 | ("-r" 0 x-handle-switch reverse t) |
143 | ("-rv" 0 x-handle-switch reverse t) | |
144 | ("-reverse" 0 x-handle-switch reverse t) | |
145 | ("-reverse-video" 0 x-handle-switch reverse t) | |
146 | ("-fn" 1 x-handle-switch font) | |
147 | ("-font" 1 x-handle-switch font) | |
188b6a5e EZ |
148 | ("-fs" 0 x-handle-initial-switch fullscreen fullboth) |
149 | ("-fw" 0 x-handle-initial-switch fullscreen fullwidth) | |
150 | ("-fh" 0 x-handle-initial-switch fullscreen fullheight) | |
3f1c6666 | 151 | ("-mm" 0 x-handle-initial-switch fullscreen maximized) |
b3afdeb8 | 152 | ("-ib" 1 x-handle-numeric-switch internal-border-width) |
1f7f78f1 | 153 | ("-g" 1 x-handle-geometry) |
9ff6bda1 | 154 | ("-lsp" 1 x-handle-numeric-switch line-spacing) |
1f7f78f1 | 155 | ("-geometry" 1 x-handle-geometry) |
b3afdeb8 RS |
156 | ("-fg" 1 x-handle-switch foreground-color) |
157 | ("-foreground" 1 x-handle-switch foreground-color) | |
158 | ("-bg" 1 x-handle-switch background-color) | |
159 | ("-background" 1 x-handle-switch background-color) | |
160 | ("-ms" 1 x-handle-switch mouse-color) | |
c755acf3 | 161 | ("-nbi" 0 x-handle-switch icon-type nil) |
b3afdeb8 RS |
162 | ("-iconic" 0 x-handle-iconic) |
163 | ("-xrm" 1 x-handle-xrm-switch) | |
164 | ("-cr" 1 x-handle-switch cursor-color) | |
165 | ("-vb" 0 x-handle-switch vertical-scroll-bars t) | |
166 | ("-hb" 0 x-handle-switch horizontal-scroll-bars t) | |
167 | ("-bd" 1 x-handle-switch) | |
168 | ("--border-width" 1 x-handle-numeric-switch border-width) | |
169 | ("--display" 1 x-handle-display) | |
5676ab57 | 170 | ("--name" 1 x-handle-name-switch) |
7775acb8 | 171 | ("--title" 1 x-handle-switch title) |
b3afdeb8 RS |
172 | ("--reverse-video" 0 x-handle-switch reverse t) |
173 | ("--font" 1 x-handle-switch font) | |
188b6a5e EZ |
174 | ("--fullscreen" 0 x-handle-initial-switch fullscreen fullboth) |
175 | ("--fullwidth" 0 x-handle-initial-switch fullscreen fullwidth) | |
176 | ("--fullheight" 0 x-handle-initial-switch fullscreen fullheight) | |
3f1c6666 | 177 | ("--maximized" 0 x-handle-initial-switch fullscreen maximized) |
b3afdeb8 | 178 | ("--internal-border" 1 x-handle-numeric-switch internal-border-width) |
1f7f78f1 | 179 | ("--geometry" 1 x-handle-geometry) |
b3afdeb8 RS |
180 | ("--foreground-color" 1 x-handle-switch foreground-color) |
181 | ("--background-color" 1 x-handle-switch background-color) | |
182 | ("--mouse-color" 1 x-handle-switch mouse-color) | |
bb1f0f78 | 183 | ("--no-bitmap-icon" 0 x-handle-no-bitmap-icon) |
b3afdeb8 RS |
184 | ("--iconic" 0 x-handle-iconic) |
185 | ("--xrm" 1 x-handle-xrm-switch) | |
186 | ("--cursor-color" 1 x-handle-switch cursor-color) | |
187 | ("--vertical-scroll-bars" 0 x-handle-switch vertical-scroll-bars t) | |
9ff6bda1 | 188 | ("--line-spacing" 1 x-handle-numeric-switch line-spacing) |
7f944e8e | 189 | ("--border-color" 1 x-handle-switch border-color) |
c434f203 JD |
190 | ("--smid" 1 x-handle-smid) |
191 | ("--parent-id" 1 x-handle-parent-id)) | |
b3afdeb8 RS |
192 | "Alist of X Windows options. |
193 | Each element has the form | |
194 | (NAME NUMARGS HANDLER FRAME-PARAM VALUE) | |
195 | where NAME is the option name string, NUMARGS is the number of arguments | |
196 | that the option accepts, HANDLER is a function to call to handle the option. | |
197 | FRAME-PARAM (optional) is the frame parameter this option specifies, | |
198 | and VALUE is the value which is given to that frame parameter | |
199 | \(most options use the argument for this, so VALUE is not present).") | |
200 | ||
edfda783 AR |
201 | (defconst command-line-ns-option-alist |
202 | '(("-NSAutoLaunch" 1 ns-ignore-1-arg) | |
203 | ("-NXAutoLaunch" 1 ns-ignore-1-arg) | |
55e8d9a5 | 204 | ("-macosx" 0 ignore) |
edfda783 AR |
205 | ("-NSHost" 1 ns-ignore-1-arg) |
206 | ("-_NSMachLaunch" 1 ns-ignore-1-arg) | |
207 | ("-MachLaunch" 1 ns-ignore-1-arg) | |
208 | ("-NXOpen" 1 ns-ignore-1-arg) | |
209 | ("-NSOpen" 1 ns-handle-nxopen) | |
210 | ("-NXOpenTemp" 1 ns-ignore-1-arg) | |
211 | ("-NSOpenTemp" 1 ns-handle-nxopentemp) | |
212 | ("-GSFilePath" 1 ns-handle-nxopen) | |
213 | ;;("-bw" . x-handle-numeric-switch) | |
214 | ;;("-d" . x-handle-display) | |
215 | ;;("-display" . x-handle-display) | |
d7d8c62a GM |
216 | ("-name" 1 x-handle-name-switch) |
217 | ("-title" 1 x-handle-switch title) | |
218 | ("-T" 1 x-handle-switch title) | |
219 | ("-r" 0 x-handle-switch reverse t) | |
220 | ("-rv" 0 x-handle-switch reverse t) | |
221 | ("-reverse" 0 x-handle-switch reverse t) | |
222 | ("-fn" 1 x-handle-switch font) | |
223 | ("-font" 1 x-handle-switch font) | |
224 | ("-ib" 1 x-handle-numeric-switch internal-border-width) | |
e543ae91 JD |
225 | ("-g" 1 x-handle-geometry) |
226 | ("-geometry" 1 x-handle-geometry) | |
d7d8c62a GM |
227 | ("-fg" 1 x-handle-switch foreground-color) |
228 | ("-foreground" 1 x-handle-switch foreground-color) | |
229 | ("-bg" 1 x-handle-switch background-color) | |
230 | ("-background" 1 x-handle-switch background-color) | |
231 | ; ("-ms" 1 x-handle-switch mouse-color) | |
232 | ("-itype" 0 x-handle-switch icon-type t) | |
233 | ("-i" 0 x-handle-switch icon-type t) | |
234 | ("-iconic" 0 x-handle-iconic icon-type t) | |
edfda783 | 235 | ;;("-xrm" . x-handle-xrm-switch) |
d7d8c62a GM |
236 | ("-cr" 1 x-handle-switch cursor-color) |
237 | ("-vb" 0 x-handle-switch vertical-scroll-bars t) | |
238 | ("-hb" 0 x-handle-switch horizontal-scroll-bars t) | |
239 | ("-bd" 1 x-handle-switch) | |
240 | ;; ("--border-width" 1 x-handle-numeric-switch border-width) | |
edfda783 | 241 | ;; ("--display" 1 ns-handle-display) |
d7d8c62a GM |
242 | ("--name" 1 x-handle-name-switch) |
243 | ("--title" 1 x-handle-switch title) | |
244 | ("--reverse-video" 0 x-handle-switch reverse t) | |
245 | ("--font" 1 x-handle-switch font) | |
246 | ("--internal-border" 1 x-handle-numeric-switch internal-border-width) | |
edfda783 | 247 | ;; ("--geometry" 1 ns-handle-geometry) |
d7d8c62a GM |
248 | ("--foreground-color" 1 x-handle-switch foreground-color) |
249 | ("--background-color" 1 x-handle-switch background-color) | |
250 | ("--mouse-color" 1 x-handle-switch mouse-color) | |
251 | ("--icon-type" 0 x-handle-switch icon-type t) | |
252 | ("--iconic" 0 x-handle-iconic) | |
edfda783 | 253 | ;; ("--xrm" 1 ns-handle-xrm-switch) |
d7d8c62a GM |
254 | ("--cursor-color" 1 x-handle-switch cursor-color) |
255 | ("--vertical-scroll-bars" 0 x-handle-switch vertical-scroll-bars t) | |
256 | ("--border-color" 1 x-handle-switch border-width)) | |
edfda783 AR |
257 | "Alist of NS options. |
258 | Each element has the form | |
259 | (NAME NUMARGS HANDLER FRAME-PARAM VALUE) | |
260 | where NAME is the option name string, NUMARGS is the number of arguments | |
261 | that the option accepts, HANDLER is a function to call to handle the option. | |
262 | FRAME-PARAM (optional) is the frame parameter this option specifies, | |
263 | and VALUE is the value which is given to that frame parameter | |
264 | \(most options use the argument for this, so VALUE is not present).") | |
265 | ||
266 | ||
e3bd99f5 | 267 | (defvar before-init-hook nil |
db3f571a | 268 | "Normal hook run after handling urgent options but before loading init files.") |
3fc958a4 | 269 | |
e3bd99f5 | 270 | (defvar after-init-hook nil |
865fe16f CY |
271 | "Normal hook run after initializing the Emacs session. |
272 | It is run after Emacs loads the init file, `default' library, the | |
273 | abbrevs file, and additional Lisp packages (if any), and setting | |
274 | the value of `after-init-time'. | |
275 | ||
276 | There is no `condition-case' around the running of this hook; | |
277 | therefore, if `debug-on-error' is non-nil, an error in one of | |
278 | these functions will invoke the debugger.") | |
db3f571a KH |
279 | |
280 | (defvar emacs-startup-hook nil | |
281 | "Normal hook run after loading init files and handling the command line.") | |
e3bd99f5 | 282 | |
a726e0d1 | 283 | (defvar term-setup-hook nil |
98bd6b32 GM |
284 | "Normal hook run immediately after `emacs-startup-hook'. |
285 | In new code, there is no reason to use this instead of `emacs-startup-hook'. | |
286 | If you want to execute terminal-specific Lisp code, for example | |
287 | to override the definitions made by the terminal-specific file, | |
288 | see `tty-setup-hook'.") | |
289 | ||
290 | (make-obsolete-variable 'term-setup-hook | |
291 | "use either `emacs-startup-hook' or \ | |
292 | `tty-setup-hook' instead." "24.4") | |
a726e0d1 | 293 | |
deebb0e9 | 294 | (defvar inhibit-startup-hooks nil |
862a4e4a GM |
295 | "Non-nil means don't run some startup hooks, because we already did. |
296 | Currently this applies to: `emacs-startup-hook', `term-setup-hook', | |
297 | and `window-setup-hook'.") | |
deebb0e9 | 298 | |
a726e0d1 | 299 | (defvar keyboard-type nil |
b4484ea8 | 300 | "The brand of keyboard you are using. |
9ab281f0 JB |
301 | This variable is used to define the proper function and keypad |
302 | keys for use under X. It is used in a fashion analogous to the | |
303 | environment variable TERM.") | |
a726e0d1 JB |
304 | |
305 | (defvar window-setup-hook nil | |
b4484ea8 RS |
306 | "Normal hook run to initialize window system display. |
307 | Emacs runs this hook after processing the command line arguments and loading | |
308 | the user's init file.") | |
a726e0d1 | 309 | |
42a3e6fa | 310 | (defcustom initial-major-mode 'lisp-interaction-mode |
ab863ac2 | 311 | "Major mode command symbol to use for the initial `*scratch*' buffer." |
ce2f921e | 312 | :type 'function |
42a3e6fa | 313 | :group 'initialization) |
a726e0d1 | 314 | |
ecbff273 | 315 | (defvar init-file-user nil |
865fe16f | 316 | "Identity of user whose init file is or was read. |
d7fa5aa2 RS |
317 | The value is nil if `-q' or `--no-init-file' was specified, |
318 | meaning do not load any init file. | |
319 | ||
d3a81eee EZ |
320 | Otherwise, the value may be an empty string, meaning |
321 | use the init file for the user who originally logged in, | |
322 | or it may be a string containing a user's name meaning | |
323 | use that person's init file. | |
a726e0d1 | 324 | |
2bdfaa42 | 325 | In either of the latter cases, `(concat \"~\" init-file-user \"/\")' |
865fe16f | 326 | evaluates to the name of the directory where the init file was |
13fce4e6 RS |
327 | looked for. |
328 | ||
329 | Setting `init-file-user' does not prevent Emacs from loading | |
ecbff273 | 330 | `site-start.el'. The only way to do that is to use `--no-site-file'.") |
a726e0d1 | 331 | |
1e8780b1 | 332 | (defcustom site-run-file (purecopy "site-start") |
b7444d31 RS |
333 | "File containing site-wide run-time initializations. |
334 | This file is loaded at run-time before `~/.emacs'. It contains inits | |
335 | that need to be in place for the entire site, but which, due to their | |
fcaf7de9 | 336 | higher incidence of change, don't make sense to load into Emacs's |
b7444d31 | 337 | dumped image. Thus, the run-time load order is: 1. file described in |
13fce4e6 RS |
338 | this variable, if non-nil; 2. `~/.emacs'; 3. `default.el'. |
339 | ||
340 | Don't use the `site-start.el' file for things some users may not like. | |
341 | Put them in `default.el' instead, so that users can more easily | |
342 | override them. Users can prevent loading `default.el' with the `-q' | |
343 | option or by setting `inhibit-default-init' in their own init files, | |
344 | but inhibiting `site-start.el' requires `--no-site-file', which | |
842a1eac RS |
345 | is less convenient. |
346 | ||
347 | This variable is defined for customization so as to make | |
348 | it visible in the relevant context. However, actually customizing it | |
349 | is not allowed, since it would not work anyway. The only way to set | |
9ab281f0 | 350 | this variable usefully is to set it while building and dumping Emacs." |
93812130 | 351 | :type '(choice (const :tag "none" nil) string) |
842a1eac RS |
352 | :group 'initialization |
353 | :initialize 'custom-initialize-default | |
06788a55 | 354 | :set (lambda (_variable _value) |
842a1eac | 355 | (error "Customizing `site-run-file' does not work"))) |
b7444d31 | 356 | |
42a3e6fa | 357 | (defcustom mail-host-address nil |
b4fa35fa GM |
358 | "Name of this machine, for purposes of naming users. |
359 | If non-nil, Emacs uses this instead of `system-name' when constructing | |
360 | email addresses." | |
42a3e6fa RS |
361 | :type '(choice (const nil) string) |
362 | :group 'mail) | |
c13fbb62 | 363 | |
680ebfa6 | 364 | (defcustom user-mail-address (if command-line-processed |
cee0c996 EZ |
365 | (or (getenv "EMAIL") |
366 | (concat (user-login-name) "@" | |
367 | (or mail-host-address | |
368 | (system-name)))) | |
680ebfa6 RS |
369 | ;; Empty string means "not set yet". |
370 | "") | |
ea6c930a | 371 | "Full mailing address of this user. |
cee0c996 | 372 | This is initialized with environment variable `EMAIL' or, as a |
eeaa563e | 373 | fallback, using `mail-host-address'. This is done after your |
cee0c996 | 374 | init file is read, in case it sets `mail-host-address'." |
42a3e6fa RS |
375 | :type 'string |
376 | :group 'mail) | |
c10d1f06 | 377 | |
42a3e6fa | 378 | (defcustom auto-save-list-file-prefix |
73f13e5a GM |
379 | (cond ((eq system-type 'ms-dos) |
380 | ;; MS-DOS cannot have initial dot, and allows only 8.3 names | |
945a0a0c | 381 | (concat user-emacs-directory "auto-save.list/_s")) |
73f13e5a | 382 | (t |
945a0a0c | 383 | (concat user-emacs-directory "auto-save-list/.saves-"))) |
cdee38c3 | 384 | "Prefix for generating `auto-save-list-file-name'. |
865fe16f | 385 | This is used after reading your init file to initialize |
cdee38c3 KH |
386 | `auto-save-list-file-name', by appending Emacs's pid and the system name, |
387 | if you have not already set `auto-save-list-file-name' yourself. | |
73f13e5a | 388 | Directories in the prefix will be created if necessary. |
cdee38c3 | 389 | Set this to nil if you want to prevent `auto-save-list-file-name' |
42a3e6fa | 390 | from being initialized." |
3671f444 KH |
391 | :type '(choice (const :tag "Don't record a session's auto save list" nil) |
392 | string) | |
42a3e6fa | 393 | :group 'auto-save) |
2e05d063 | 394 | |
dc58296d RS |
395 | (defvar emacs-basic-display nil) |
396 | ||
a726e0d1 JB |
397 | (defvar init-file-debug nil) |
398 | ||
5b309ebf RS |
399 | (defvar init-file-had-error nil |
400 | "Non-nil if there was an error loading the user's init file.") | |
52320897 | 401 | |
95eada65 RS |
402 | (defvar normal-top-level-add-subdirs-inode-list nil) |
403 | ||
178b4542 JL |
404 | (defvar no-blinking-cursor nil) |
405 | ||
b693e375 RS |
406 | (defvar pure-space-overflow nil |
407 | "Non-nil if building Emacs overflowed pure space.") | |
408 | ||
ca0a881a | 409 | (defvar pure-space-overflow-message (purecopy "\ |
22a58255 | 410 | Warning Warning!!! Pure space overflow !!!Warning Warning |
ca0a881a | 411 | \(See the node Pure Storage in the Lisp manual for details.)\n")) |
22a58255 | 412 | |
45448e64 SM |
413 | (defcustom tutorial-directory |
414 | (file-name-as-directory (expand-file-name "tutorials" data-directory)) | |
415 | "Directory containing the Emacs TUTORIAL files." | |
416 | :group 'installation | |
417 | :type 'directory | |
418 | :initialize 'custom-initialize-delay) | |
5f5ba825 | 419 | |
66bd25ab SM |
420 | (defvar package--builtin-versions |
421 | ;; Mostly populated by loaddefs.el via autoload-builtin-package-versions. | |
422 | (purecopy `((emacs . ,(version-to-list emacs-version)))) | |
423 | "Alist giving the version of each versioned builtin package. | |
424 | I.e. each element of the list is of the form (NAME . VERSION) where | |
425 | NAME is the package name as a symbol, and VERSION is its version | |
426 | as a list.") | |
4525ce3e | 427 | |
1b8dff23 SM |
428 | (defun package--description-file (dir) |
429 | (concat (let ((subdir (file-name-nondirectory | |
430 | (directory-file-name dir)))) | |
66bd25ab | 431 | (if (string-match "\\([^.].*?\\)-\\([0-9]+\\(?:[.][0-9]+\\|\\(?:pre\\|beta\\|alpha\\)[0-9]+\\)*\\)" subdir) |
1b8dff23 SM |
432 | (match-string 1 subdir) subdir)) |
433 | "-pkg.el")) | |
434 | ||
859e15c1 | 435 | (defun normal-top-level-add-subdirs-to-load-path () |
04ed2e9c | 436 | "Add all subdirectories of `default-directory' to `load-path'. |
0412d833 | 437 | More precisely, this uses only the subdirectories whose names |
f734a13e DL |
438 | start with letters or digits; it excludes any subdirectory named `RCS' |
439 | or `CVS', and any subdirectory that contains a file named `.nosearch'." | |
f1180544 | 440 | (let (dirs |
95eada65 | 441 | attrs |
859e15c1 KH |
442 | (pending (list default-directory))) |
443 | ;; This loop does a breadth-first tree walk on DIR's subtree, | |
444 | ;; putting each subdir into DIRS as its contents are examined. | |
445 | (while pending | |
4e0a3971 | 446 | (push (pop pending) dirs) |
722a451d EZ |
447 | (let* ((this-dir (car dirs)) |
448 | (contents (directory-files this-dir)) | |
449 | (default-directory this-dir) | |
ae4002ce SM |
450 | (canonicalized (if (fboundp 'w32-untranslated-canonical-name) |
451 | (w32-untranslated-canonical-name this-dir)))) | |
ad961a00 GM |
452 | ;; The Windows version doesn't report meaningful inode numbers, so |
453 | ;; use the canonicalized absolute file name of the directory instead. | |
722a451d EZ |
454 | (setq attrs (or canonicalized |
455 | (nthcdr 10 (file-attributes this-dir)))) | |
95eada65 | 456 | (unless (member attrs normal-top-level-add-subdirs-inode-list) |
4e0a3971 SM |
457 | (push attrs normal-top-level-add-subdirs-inode-list) |
458 | (dolist (file contents) | |
ad961a00 GM |
459 | (and (string-match "\\`[[:alnum:]]" file) |
460 | ;; The lower-case variants of RCS and CVS are for DOS/Windows. | |
461 | (not (member file '("RCS" "CVS" "rcs" "cvs"))) | |
462 | ;; Avoid doing a `stat' when it isn't necessary because | |
463 | ;; that can cause trouble when an NFS server is down. | |
464 | (not (string-match "\\.elc?\\'" file)) | |
465 | (file-directory-p file) | |
466 | (let ((expanded (expand-file-name file))) | |
467 | (or (file-exists-p (expand-file-name ".nosearch" expanded)) | |
468 | (setq pending (nconc pending (list expanded)))))))))) | |
bb15e81a | 469 | (normal-top-level-add-to-load-path (cdr (nreverse dirs))))) |
859e15c1 | 470 | |
e87a7309 | 471 | (defun normal-top-level-add-to-load-path (dirs) |
ad961a00 GM |
472 | "This function is called from a subdirs.el file. |
473 | It assumes that `default-directory' is the directory in which the | |
474 | subdirs.el file exists, and it adds to `load-path' the subdirs of | |
475 | that directory as specified in DIRS. Normally the elements of | |
476 | DIRS are relative." | |
cd1c10f6 RS |
477 | (let ((tail load-path) |
478 | (thisdir (directory-file-name default-directory))) | |
479 | (while (and tail | |
138e541f GM |
480 | ;;Don't go all the way to the nil terminator. |
481 | (cdr tail) | |
cd1c10f6 RS |
482 | (not (equal thisdir (car tail))) |
483 | (not (and (memq system-type '(ms-dos windows-nt)) | |
484 | (equal (downcase thisdir) (downcase (car tail)))))) | |
485 | (setq tail (cdr tail))) | |
138e541f GM |
486 | ;;Splice the new section in. |
487 | (when tail | |
488 | (setcdr tail (append (mapcar 'expand-file-name dirs) (cdr tail)))))) | |
e87a7309 | 489 | |
a726e0d1 | 490 | (defun normal-top-level () |
33da7b16 GM |
491 | "Emacs calls this function when it first starts up. |
492 | It sets `command-line-processed', processes the command-line, | |
493 | reads the initialization files, etc. | |
494 | It is the default value of the variable `top-level'." | |
a726e0d1 JB |
495 | (if command-line-processed |
496 | (message "Back to top level.") | |
497 | (setq command-line-processed t) | |
d0065ff1 | 498 | |
375761b2 EZ |
499 | ;; Look in each dir in load-path for a subdirs.el file. If we |
500 | ;; find one, load it, which will add the appropriate subdirs of | |
501 | ;; that dir into load-path. This needs to be done before setting | |
502 | ;; the locale environment, because the latter might need to load | |
503 | ;; some support files. | |
504 | ;; Look for a leim-list.el file too. Loading it will register | |
505 | ;; available input methods. | |
506 | (let ((tail load-path) | |
507 | (lispdir (expand-file-name "../lisp" data-directory)) | |
375761b2 EZ |
508 | dir) |
509 | (while tail | |
510 | (setq dir (car tail)) | |
511 | (let ((default-directory dir)) | |
512 | (load (expand-file-name "subdirs.el") t t t)) | |
624780f0 GM |
513 | ;; Do not scan standard directories that won't contain a leim-list.el. |
514 | ;; http://lists.gnu.org/archive/html/emacs-devel/2009-10/msg00502.html | |
cb6c95a3 | 515 | ;; (Except the preloaded one in lisp/leim.) |
624780f0 | 516 | (or (string-prefix-p lispdir dir) |
624780f0 GM |
517 | (let ((default-directory dir)) |
518 | (load (expand-file-name "leim-list.el") t t t))) | |
375761b2 EZ |
519 | ;; We don't use a dolist loop and we put this "setq-cdr" command at |
520 | ;; the end, because the subdirs.el files may add elements to the end | |
521 | ;; of load-path and we want to take it into account. | |
522 | (setq tail (cdr tail)))) | |
523 | ||
d0065ff1 EZ |
524 | ;; Set the default strings to display in mode line for end-of-line |
525 | ;; formats that aren't native to this platform. This should be | |
526 | ;; done before calling set-locale-environment, as the latter might | |
527 | ;; use these mnemonics. | |
528 | (cond | |
529 | ((memq system-type '(ms-dos windows-nt)) | |
530 | (setq eol-mnemonic-unix "(Unix)" | |
531 | eol-mnemonic-mac "(Mac)")) | |
532 | (t ; this is for Unix/GNU/Linux systems | |
533 | (setq eol-mnemonic-dos "(DOS)" | |
534 | eol-mnemonic-mac "(Mac)"))) | |
535 | ||
536 | (set-locale-environment nil) | |
537 | ;; Decode all default-directory's (probably, only *scratch* exists | |
538 | ;; at this point). default-directory of *scratch* is the basis | |
539 | ;; for many other file-name variables and directory lists, so it | |
540 | ;; is important to decode it ASAP. | |
541 | (when locale-coding-system | |
a59f6567 EZ |
542 | (let ((coding (if (eq system-type 'windows-nt) |
543 | ;; MS-Windows build converts all file names to | |
544 | ;; UTF-8 during startup. | |
545 | 'utf-8 | |
546 | locale-coding-system))) | |
547 | (save-excursion | |
548 | (dolist (elt (buffer-list)) | |
549 | (set-buffer elt) | |
550 | (if default-directory | |
551 | (setq default-directory | |
552 | (decode-coding-string default-directory coding t))))) | |
553 | ||
554 | ;; Decode all the important variables and directory lists, now | |
555 | ;; that we know the locale's encoding. This is because the | |
556 | ;; values of these variables are until here unibyte undecoded | |
557 | ;; strings created by build_unibyte_string. data-directory in | |
558 | ;; particular is used to construct many other standard | |
559 | ;; directory names, so it must be decoded ASAP. Note that | |
560 | ;; charset-map-path cannot be decoded here, since we could | |
561 | ;; then be trapped in infinite recursion below, when we load | |
562 | ;; subdirs.el, because encoding a directory name might need to | |
563 | ;; load a charset map, which will want to encode | |
564 | ;; charset-map-path, which will want to load the same charset | |
565 | ;; map... So decoding of charset-map-path is delayed until | |
566 | ;; further down below. | |
567 | (dolist (pathsym '(load-path exec-path)) | |
568 | (let ((path (symbol-value pathsym))) | |
569 | (if (listp path) | |
570 | (set pathsym (mapcar (lambda (dir) | |
571 | (decode-coding-string dir coding t)) | |
572 | path))))) | |
573 | (dolist (filesym '(data-directory doc-directory exec-directory | |
574 | installation-directory | |
575 | invocation-directory invocation-name | |
576 | source-directory | |
577 | shared-game-score-directory)) | |
578 | (let ((file (symbol-value filesym))) | |
579 | (if (stringp file) | |
580 | (set filesym (decode-coding-string file coding t))))))) | |
d0065ff1 | 581 | |
8d4c2221 | 582 | (let ((dir default-directory)) |
fcaf7de9 | 583 | (with-current-buffer "*Messages*" |
90582f05 | 584 | (messages-buffer-mode) |
a1562258 SM |
585 | ;; Make it easy to do like "tail -f". |
586 | (set (make-local-variable 'window-point-insertion-type) t) | |
587 | ;; Give *Messages* the same default-directory as *scratch*, | |
588 | ;; just to keep things predictable. | |
8d4c2221 | 589 | (setq default-directory dir))) |
9715399e MR |
590 | ;; `user-full-name' is now known; reset its standard-value here. |
591 | (put 'user-full-name 'standard-value | |
592 | (list (default-value 'user-full-name))) | |
7c2fb837 DN |
593 | ;; If the PWD environment variable isn't accurate, delete it. |
594 | (let ((pwd (getenv "PWD"))) | |
595 | (and (stringp pwd) | |
596 | ;; Use FOO/., so that if FOO is a symlink, file-attributes | |
597 | ;; describes the directory linked to, not FOO itself. | |
598 | (or (equal (file-attributes | |
599 | (concat (file-name-as-directory pwd) ".")) | |
600 | (file-attributes | |
601 | (concat (file-name-as-directory default-directory) | |
602 | "."))) | |
603 | (setq process-environment | |
604 | (delete (concat "PWD=" pwd) | |
605 | process-environment))))) | |
d0065ff1 EZ |
606 | ;; Now, that other directories were searched, and any charsets we |
607 | ;; need for encoding them are already loaded, we are ready to | |
608 | ;; decode charset-map-path. | |
609 | (if (listp charset-map-path) | |
a59f6567 EZ |
610 | (let ((coding (if (eq system-type 'windows-nt) |
611 | 'utf-8 | |
612 | locale-coding-system))) | |
613 | (setq charset-map-path | |
614 | (mapcar (lambda (dir) | |
615 | (decode-coding-string dir coding t)) | |
616 | charset-map-path)))) | |
492878e4 | 617 | (setq default-directory (abbreviate-file-name default-directory)) |
50d4ba39 | 618 | (let ((old-face-font-rescale-alist face-font-rescale-alist)) |
6f2c86fa KH |
619 | (unwind-protect |
620 | (command-line) | |
621 | ;; Do this again, in case .emacs defined more abbreviations. | |
622 | (setq default-directory (abbreviate-file-name default-directory)) | |
b3c7c12c RS |
623 | ;; Specify the file for recording all the auto save files of this session. |
624 | ;; This is used by recover-session. | |
cdee38c3 KH |
625 | (or auto-save-list-file-name |
626 | (and auto-save-list-file-prefix | |
627 | (setq auto-save-list-file-name | |
1f7f78f1 RS |
628 | ;; Under MS-DOS our PID is almost always reused between |
629 | ;; Emacs invocations. We need something more unique. | |
4b33deaa EZ |
630 | (cond ((eq system-type 'ms-dos) |
631 | ;; We are going to access the auto-save | |
632 | ;; directory, so make sure it exists. | |
633 | (make-directory | |
634 | (file-name-directory auto-save-list-file-prefix) | |
635 | t) | |
f1180544 | 636 | (concat |
4b33deaa EZ |
637 | (make-temp-name |
638 | (expand-file-name | |
639 | auto-save-list-file-prefix)) | |
640 | "~")) | |
641 | (t | |
642 | (expand-file-name | |
643 | (format "%s%d-%s~" | |
644 | auto-save-list-file-prefix | |
645 | (emacs-pid) | |
646 | (system-name)))))))) | |
deebb0e9 | 647 | (unless inhibit-startup-hooks |
862a4e4a | 648 | (run-hooks 'emacs-startup-hook 'term-setup-hook)) |
6a1e7d67 GM |
649 | |
650 | ;; Don't do this if we failed to create the initial frame, | |
651 | ;; for instance due to a dense colormap. | |
538ef02a GM |
652 | (when (or frame-initial-frame |
653 | ;; If frame-initial-frame has no meaning, do this anyway. | |
2246281f | 654 | (not (and initial-window-system |
538ef02a | 655 | (not noninteractive) |
2246281f | 656 | (not (eq initial-window-system 'pc))))) |
4a0c0061 CY |
657 | |
658 | ;; FIXME: The user's init file may change | |
659 | ;; face-font-rescale-alist. However, the default face | |
660 | ;; already has an assigned font object, which does not take | |
661 | ;; face-font-rescale-alist into account. For such | |
662 | ;; situations, we ought to have a way to find all font | |
663 | ;; objects and regenerate them; currently we do not. As a | |
664 | ;; workaround, we specifically reset te default face's :font | |
665 | ;; attribute here. See bug#1785. | |
666 | (unless (eq face-font-rescale-alist | |
667 | old-face-font-rescale-alist) | |
668 | (set-face-attribute 'default nil :font (font-spec))) | |
669 | ||
6a1e7d67 GM |
670 | ;; Modify the initial frame based on what .emacs puts into |
671 | ;; ...-frame-alist. | |
672 | (if (fboundp 'frame-notice-user-settings) | |
673 | (frame-notice-user-settings)) | |
2666355c KL |
674 | ;; Set the faces for the initial background mode even if |
675 | ;; frame-notice-user-settings didn't (such as on a tty). | |
676 | ;; frame-set-background-mode is idempotent, so it won't | |
677 | ;; cause any harm if it's already been done. | |
6a1e7d67 | 678 | (if (fboundp 'frame-set-background-mode) |
2666355c | 679 | (frame-set-background-mode (selected-frame)))) |
13ab33c4 | 680 | |
6f2c86fa KH |
681 | ;; Now we know the user's default font, so add it to the menu. |
682 | (if (fboundp 'font-menu-add-default) | |
683 | (font-menu-add-default)) | |
862a4e4a GM |
684 | (unless inhibit-startup-hooks |
685 | (run-hooks 'window-setup-hook)))) | |
fdb88463 SM |
686 | ;; Subprocesses of Emacs do not have direct access to the terminal, so |
687 | ;; unless told otherwise they should only assume a dumb terminal. | |
688 | ;; We are careful to do it late (after term-setup-hook), although the | |
689 | ;; new multi-tty code does not use $TERM any more there anyway. | |
4bbfda32 SM |
690 | (setenv "TERM" "dumb") |
691 | ;; Remove DISPLAY from the process-environment as well. This allows | |
692 | ;; `callproc.c' to give it a useful adaptive default which is either | |
693 | ;; the value of the `display' frame-parameter or the DISPLAY value | |
694 | ;; from initial-environment. | |
695 | (let ((display (frame-parameter nil 'display))) | |
696 | ;; Be careful which DISPLAY to remove from process-environment: follow | |
697 | ;; the logic of `callproc.c'. | |
698 | (if (stringp display) (setq display (concat "DISPLAY=" display)) | |
699 | (dolist (varval initial-environment) | |
700 | (if (string-match "\\`DISPLAY=" varval) | |
701 | (setq display varval)))) | |
702 | (when display | |
4bbfda32 | 703 | (delete display process-environment))))) |
6f2c86fa KH |
704 | |
705 | ;; Precompute the keyboard equivalents in the menu bar items. | |
c381f482 EZ |
706 | ;; Command-line options supported by tty's: |
707 | (defconst tty-long-option-alist | |
8957d2bf EZ |
708 | '(("--name" . "-name") |
709 | ("--title" . "-T") | |
710 | ("--reverse-video" . "-reverse") | |
c381f482 | 711 | ("--foreground-color" . "-fg") |
8957d2bf EZ |
712 | ("--background-color" . "-bg") |
713 | ("--color" . "-color"))) | |
c381f482 | 714 | |
b66b6aeb | 715 | (defconst tool-bar-images-pixel-height 24 |
eeaa563e | 716 | "Height in pixels of images in the tool-bar.") |
b66b6aeb | 717 | |
3a55d3d0 JR |
718 | (defvar tool-bar-originally-present nil |
719 | "Non-nil if tool-bars are present before user and site init files are read.") | |
720 | ||
e9cda827 KL |
721 | (defvar handle-args-function-alist '((nil . tty-handle-args)) |
722 | "Functions for processing window-system dependent command-line arguments. | |
723 | Window system startup files should add their own function to this | |
724 | alist, which should parse the command line arguments. Those | |
725 | pertaining to the window system should be processed and removed | |
726 | from the returned command line.") | |
727 | ||
728 | (defvar window-system-initialization-alist '((nil . ignore)) | |
729 | "Alist of window-system initialization functions. | |
730 | Window-system startup files should add their own initialization | |
731 | function to this list. The function should take no arguments, | |
732 | and initialize the window system environment to prepare for | |
2bb819d5 | 733 | opening the first frame (e.g. open a connection to an X server).") |
e9cda827 | 734 | |
c381f482 | 735 | (defun tty-handle-args (args) |
ad961a00 | 736 | "Handle the X-like command-line arguments \"-fg\", \"-bg\", \"-name\", etc." |
bca8c7be | 737 | (let (rest) |
c381f482 EZ |
738 | (while (and args |
739 | (not (equal (car args) "--"))) | |
bca8c7be MS |
740 | (let* ((argi (pop args)) |
741 | (orig-argi argi) | |
742 | argval completion) | |
c381f482 EZ |
743 | ;; Check for long options with attached arguments |
744 | ;; and separate out the attached option argument into argval. | |
bca8c7be MS |
745 | (when (string-match "^\\(--[^=]*\\)=" argi) |
746 | (setq argval (substring argi (match-end 0)) | |
747 | argi (match-string 1 argi))) | |
748 | (when (string-match "^--" argi) | |
749 | (setq completion (try-completion argi tty-long-option-alist)) | |
c381f482 EZ |
750 | (if (eq completion t) |
751 | ;; Exact match for long option. | |
bca8c7be | 752 | (setq argi (cdr (assoc argi tty-long-option-alist))) |
c381f482 EZ |
753 | (if (stringp completion) |
754 | (let ((elt (assoc completion tty-long-option-alist))) | |
755 | ;; Check for abbreviated long option. | |
756 | (or elt | |
bca8c7be MS |
757 | (error "Option `%s' is ambiguous" argi)) |
758 | (setq argi (cdr elt))) | |
c381f482 | 759 | ;; Check for a short option. |
bca8c7be MS |
760 | (setq argval nil |
761 | argi orig-argi)))) | |
762 | (cond ((member argi '("-fg" "-foreground")) | |
763 | (push (cons 'foreground-color (or argval (pop args))) | |
764 | default-frame-alist)) | |
765 | ((member argi '("-bg" "-background")) | |
766 | (push (cons 'background-color (or argval (pop args))) | |
767 | default-frame-alist)) | |
768 | ((member argi '("-T" "-name")) | |
769 | (unless argval (setq argval (pop args))) | |
770 | (push (cons 'title | |
771 | (if (stringp argval) | |
772 | argval | |
773 | (let ((case-fold-search t) | |
774 | i) | |
775 | (setq argval (invocation-name)) | |
776 | ||
777 | ;; Change any . or * characters in name to | |
778 | ;; hyphens, so as to emulate behavior on X. | |
779 | (while | |
780 | (setq i (string-match "[.*]" argval)) | |
781 | (aset argval i ?-)) | |
782 | argval))) | |
783 | default-frame-alist)) | |
784 | ((member argi '("-r" "-rv" "-reverse")) | |
785 | (push '(reverse . t) | |
786 | default-frame-alist)) | |
787 | ((equal argi "-color") | |
788 | (unless argval (setq argval 8)) ; default --color means 8 ANSI colors | |
789 | (push (cons 'tty-color-mode | |
790 | (cond | |
791 | ((numberp argval) argval) | |
792 | ((string-match "-?[0-9]+" argval) | |
793 | (string-to-number argval)) | |
794 | (t (intern argval)))) | |
795 | default-frame-alist)) | |
796 | (t | |
797 | (push argi rest))))) | |
8baeb37a | 798 | (nconc (nreverse rest) args))) |
c381f482 | 799 | |
aa360da1 GM |
800 | (declare-function x-get-resource "frame.c" |
801 | (attribute class &optional component subclass)) | |
802 | (declare-function tool-bar-mode "tool-bar" (&optional arg)) | |
d2b2930a | 803 | (declare-function tool-bar-setup "tool-bar") |
aa360da1 | 804 | |
4ff029f6 | 805 | (defvar server-name) |
35f372ca | 806 | (defvar server-process) |
4ff029f6 | 807 | |
a726e0d1 | 808 | (defun command-line () |
33da7b16 GM |
809 | "A subroutine of `normal-top-level'. |
810 | Amongst another things, it parses the command-line arguments." | |
5c9fad41 | 811 | (setq before-init-time (current-time) |
981c5d1d | 812 | after-init-time nil |
238cbdf8 | 813 | command-line-default-directory default-directory) |
09a1077c | 814 | |
2aa0e5bf SM |
815 | ;; Force recomputation, in case it was computed during the dump. |
816 | (setq abbreviated-home-dir nil) | |
849eedba | 817 | |
74f2ab06 | 818 | ;; See if we should import version-control from the environment variable. |
a726e0d1 JB |
819 | (let ((vc (getenv "VERSION_CONTROL"))) |
820 | (cond ((eq vc nil)) ;don't do anything if not set | |
bca8c7be | 821 | ((member vc '("t" "numbered")) |
a726e0d1 | 822 | (setq version-control t)) |
bca8c7be | 823 | ((member vc '("nil" "existing")) |
a726e0d1 | 824 | (setq version-control nil)) |
bca8c7be | 825 | ((member vc '("never" "simple")) |
a726e0d1 JB |
826 | (setq version-control 'never)))) |
827 | ||
79058860 JB |
828 | ;;! This has been commented out; I currently find the behavior when |
829 | ;;! split-window-keep-point is nil disturbing, but if I can get used | |
830 | ;;! to it, then it would be better to eliminate the option. | |
831 | ;;! ;; Choose a good default value for split-window-keep-point. | |
832 | ;;! (setq split-window-keep-point (> baud-rate 2400)) | |
f35fe3c6 | 833 | |
735895f1 EZ |
834 | ;; Convert preloaded file names in load-history to absolute. |
835 | (let ((simple-file-name | |
3b61abfe EZ |
836 | ;; Look for simple.el or simple.elc and use their directory |
837 | ;; as the place where all Lisp files live. | |
735895f1 EZ |
838 | (locate-file "simple" load-path (get-load-suffixes))) |
839 | lisp-dir) | |
840 | ;; Don't abort if simple.el cannot be found, but print a warning. | |
e86762ec GM |
841 | ;; Although in most usage we are going to cryptically abort a moment |
842 | ;; later anyway, due to missing required bidi data files (eg bug#13430). | |
735895f1 | 843 | (if (null simple-file-name) |
e86762ec GM |
844 | (let ((standard-output 'external-debugging-output) |
845 | (lispdir (expand-file-name "../lisp" data-directory))) | |
846 | (princ "Warning: Could not find simple.el or simple.elc") | |
847 | (terpri) | |
848 | (when (getenv "EMACSLOADPATH") | |
849 | (princ "The EMACSLOADPATH environment variable is set, \ | |
850 | please check its value") | |
851 | (terpri)) | |
852 | (unless (file-readable-p lispdir) | |
853 | (princ (format "Lisp directory %s not readable?" lispdir)) | |
854 | (terpri))) | |
735895f1 EZ |
855 | (setq lisp-dir (file-truename (file-name-directory simple-file-name))) |
856 | (setq load-history | |
857 | (mapcar (lambda (elt) | |
858 | (if (and (stringp (car elt)) | |
859 | (not (file-name-absolute-p (car elt)))) | |
860 | (cons (concat lisp-dir | |
861 | (car elt)) | |
862 | (cdr elt)) | |
863 | elt)) | |
864 | load-history)))) | |
4b816985 | 865 | |
c16eb7b0 | 866 | ;; Convert the arguments to Emacs internal representation. |
d0065ff1 | 867 | (let ((args command-line-args)) |
c16eb7b0 RS |
868 | (while args |
869 | (setcar args | |
870 | (decode-coding-string (car args) locale-coding-system t)) | |
bca8c7be | 871 | (pop args))) |
c16eb7b0 | 872 | |
03e3c30a | 873 | (let ((done nil) |
4fe22cdf CY |
874 | (args (cdr command-line-args)) |
875 | display-arg) | |
03e3c30a | 876 | |
a726e0d1 JB |
877 | ;; Figure out which user's init file to load, |
878 | ;; either from the environment or from the options. | |
879 | (setq init-file-user (if noninteractive nil (user-login-name))) | |
880 | ;; If user has not done su, use current $HOME to find .emacs. | |
bca8c7be MS |
881 | (and init-file-user |
882 | (equal init-file-user (user-real-login-name)) | |
a726e0d1 | 883 | (setq init-file-user "")) |
03e3c30a JB |
884 | |
885 | ;; Process the command-line args, and delete the arguments | |
886 | ;; processed. This is consistent with the way main in emacs.c | |
887 | ;; does things. | |
a726e0d1 | 888 | (while (and (not done) args) |
9ab281f0 JB |
889 | (let* ((longopts '(("--no-init-file") ("--no-site-file") ("--debug-init") |
890 | ("--user") ("--iconic") ("--icon-type") ("--quick") | |
891 | ("--no-blinking-cursor") ("--basic-display"))) | |
bca8c7be MS |
892 | (argi (pop args)) |
893 | (orig-argi argi) | |
894 | argval) | |
452e9090 | 895 | ;; Handle --OPTION=VALUE format. |
7b704afe | 896 | (when (string-match "\\`\\(--[^=]*\\)=" argi) |
1b207153 | 897 | (setq argval (substring argi (match-end 0)) |
bca8c7be | 898 | argi (match-string 1 argi))) |
7b704afe | 899 | (when (string-match "\\`--." orig-argi) |
1b207153 | 900 | (let ((completion (try-completion argi longopts))) |
198a7a97 CY |
901 | (cond ((eq completion t) |
902 | (setq argi (substring argi 1))) | |
903 | ((stringp completion) | |
904 | (let ((elt (assoc completion longopts))) | |
905 | (unless elt | |
906 | (error "Option `%s' is ambiguous" argi)) | |
907 | (setq argi (substring (car elt) 1)))) | |
908 | (t | |
909 | (setq argval nil | |
910 | argi orig-argi))))) | |
a726e0d1 | 911 | (cond |
4fe22cdf CY |
912 | ;; The --display arg is handled partly in C, partly in Lisp. |
913 | ;; When it shows up here, we just put it back to be handled | |
914 | ;; by `command-line-1'. | |
915 | ((member argi '("-d" "-display")) | |
916 | (setq display-arg (list argi (pop args)))) | |
dc58296d | 917 | ((member argi '("-Q" "-quick")) |
6b61353c KH |
918 | (setq init-file-user nil |
919 | site-run-file nil | |
8686ac71 | 920 | inhibit-x-resources t)) |
dc58296d RS |
921 | ((member argi '("-D" "-basic-display")) |
922 | (setq no-blinking-cursor t | |
923 | emacs-basic-display t) | |
6b61353c | 924 | (push '(vertical-scroll-bars . nil) initial-frame-alist)) |
4e0a3971 SM |
925 | ((member argi '("-q" "-no-init-file")) |
926 | (setq init-file-user nil)) | |
927 | ((member argi '("-u" "-user")) | |
bca8c7be | 928 | (setq init-file-user (or argval (pop args)) |
4e0a3971 | 929 | argval nil)) |
bca8c7be | 930 | ((equal argi "-no-site-file") |
4e0a3971 | 931 | (setq site-run-file nil)) |
bca8c7be | 932 | ((equal argi "-debug-init") |
4e0a3971 | 933 | (setq init-file-debug t)) |
bca8c7be | 934 | ((equal argi "-iconic") |
4e0a3971 | 935 | (push '(visibility . icon) initial-frame-alist)) |
178b4542 JL |
936 | ((member argi '("-nbc" "-no-blinking-cursor")) |
937 | (setq no-blinking-cursor t)) | |
4e0a3971 | 938 | ;; Push the popped arg back on the list of arguments. |
bca8c7be MS |
939 | (t |
940 | (push argi args) | |
941 | (setq done t))) | |
096b7031 KH |
942 | ;; Was argval set but not used? |
943 | (and argval | |
944 | (error "Option `%s' doesn't allow an argument" argi)))) | |
945 | ||
4fe22cdf CY |
946 | ;; Re-attach the --display arg. |
947 | (and display-arg (setq args (append display-arg args))) | |
948 | ||
03e3c30a | 949 | ;; Re-attach the program name to the front of the arg list. |
bca8c7be MS |
950 | (and command-line-args |
951 | (setcdr command-line-args args))) | |
a726e0d1 | 952 | |
d2fd733e SM |
953 | ;; Make sure window system's init file was loaded in loadup.el if |
954 | ;; using a window system. | |
955 | ;; Initialize the window-system only after processing the command-line | |
956 | ;; args so that -Q can influence this initialization. | |
957 | (condition-case error | |
958 | (unless noninteractive | |
959 | (if (and initial-window-system | |
960 | (not (featurep | |
961 | (intern | |
962 | (concat (symbol-name initial-window-system) "-win"))))) | |
963 | (error "Unsupported window system `%s'" initial-window-system)) | |
964 | ;; Process window-system specific command line parameters. | |
965 | (setq command-line-args | |
966 | (funcall | |
967 | (or (cdr (assq initial-window-system handle-args-function-alist)) | |
968 | (error "Unsupported window system `%s'" initial-window-system)) | |
969 | command-line-args)) | |
970 | ;; Initialize the window system. (Open connection, etc.) | |
971 | (funcall | |
972 | (or (cdr (assq initial-window-system window-system-initialization-alist)) | |
efc3dd3c DC |
973 | (error "Unsupported window system `%s'" initial-window-system))) |
974 | (put initial-window-system 'window-system-initialized t)) | |
d2fd733e SM |
975 | ;; If there was an error, print the error message and exit. |
976 | (error | |
977 | (princ | |
978 | (if (eq (car error) 'error) | |
979 | (apply 'concat (cdr error)) | |
980 | (if (memq 'file-error (get (car error) 'error-conditions)) | |
981 | (format "%s: %s" | |
982 | (nth 1 error) | |
983 | (mapconcat (lambda (obj) (prin1-to-string obj t)) | |
984 | (cdr (cdr error)) ", ")) | |
985 | (format "%s: %s" | |
986 | (get (car error) 'error-message) | |
987 | (mapconcat (lambda (obj) (prin1-to-string obj t)) | |
988 | (cdr error) ", ")))) | |
989 | 'external-debugging-output) | |
990 | (terpri 'external-debugging-output) | |
991 | (setq initial-window-system nil) | |
992 | (kill-emacs))) | |
993 | ||
ce98f555 RS |
994 | (run-hooks 'before-init-hook) |
995 | ||
15cd8efd | 996 | ;; Under X, create the X frame and delete the terminal frame. |
7581ba40 | 997 | (unless (daemonp) |
15cd8efd CY |
998 | (if (or noninteractive emacs-basic-display) |
999 | (setq menu-bar-mode nil | |
1000 | tool-bar-mode nil | |
1001 | no-blinking-cursor t)) | |
9ba6e7d4 | 1002 | (frame-initialize)) |
14f16b9c | 1003 | |
55702e89 AS |
1004 | (when (fboundp 'x-create-frame) |
1005 | ;; Set up the tool-bar (even in tty frames, since Emacs might open a | |
1006 | ;; graphical frame later). | |
1007 | (unless noninteractive | |
1008 | (tool-bar-setup))) | |
6431f2e6 | 1009 | |
ed0fb1f1 | 1010 | ;; Turn off blinking cursor if so specified in X resources. This is here |
b08cb5a6 | 1011 | ;; only because all other settings of no-blinking-cursor are here. |
ed0fb1f1 JD |
1012 | (unless (or noninteractive |
1013 | emacs-basic-display | |
9e2a2647 | 1014 | (and (memq window-system '(x w32 ns)) |
ed0fb1f1 | 1015 | (not (member (x-get-resource "cursorBlink" "CursorBlink") |
04877ddb | 1016 | '("no" "off" "false" "0"))))) |
ed0fb1f1 JD |
1017 | (setq no-blinking-cursor t)) |
1018 | ||
790d0270 SM |
1019 | ;; Re-evaluate predefined variables whose initial value depends on |
1020 | ;; the runtime context. | |
1021 | (mapc 'custom-reevaluate-setting | |
1022 | ;; Initialize them in the same order they were loaded, in case there | |
1023 | ;; are dependencies between them. | |
1024 | (prog1 (nreverse custom-delayed-init-variables) | |
1025 | (setq custom-delayed-init-variables nil))) | |
3b73087e | 1026 | |
30a2fded KL |
1027 | (normal-erase-is-backspace-setup-frame) |
1028 | ||
1592c1ef | 1029 | ;; Register default TTY colors for the case the terminal hasn't a |
40ba43b4 | 1030 | ;; terminal init file. We do this regardless of whether the terminal |
79c3172f KL |
1031 | ;; supports colors or not and regardless the current display type, |
1032 | ;; since users can connect to color-capable terminals and also | |
1033 | ;; switch color support on or off in mid-session by setting the | |
1034 | ;; tty-color-mode frame parameter. | |
a5b5acaf EZ |
1035 | ;; Exception: the `pc' ``window system'' has only 16 fixed colors, |
1036 | ;; and they are already set at this point by a suitable function in | |
1037 | ;; window-system-initialization-alist. | |
1038 | (or (eq initial-window-system 'pc) | |
1039 | (tty-register-default-colors)) | |
1592c1ef | 1040 | |
3a55d3d0 JR |
1041 | ;; Record whether the tool-bar is present before the user and site |
1042 | ;; init files are processed. frame-notice-user-settings uses this | |
1043 | ;; to determine if the tool-bar has been disabled by the init files, | |
1044 | ;; and the frame needs to be resized. | |
1045 | (when (fboundp 'frame-notice-user-settings) | |
1046 | (let ((tool-bar-lines (or (assq 'tool-bar-lines initial-frame-alist) | |
1047 | (assq 'tool-bar-lines default-frame-alist)))) | |
1048 | (setq tool-bar-originally-present | |
bca8c7be MS |
1049 | (and tool-bar-lines |
1050 | (cdr tool-bar-lines) | |
1051 | (not (eq 0 (cdr tool-bar-lines))))))) | |
3a55d3d0 | 1052 | |
752ef254 | 1053 | (let ((old-scalable-fonts-allowed scalable-fonts-allowed) |
752ef254 GM |
1054 | (old-face-ignored-fonts face-ignored-fonts)) |
1055 | ||
752ef254 GM |
1056 | ;; Run the site-start library if it exists. The point of this file is |
1057 | ;; that it is run before .emacs. There is no point in doing this after | |
1058 | ;; .emacs; that is useless. | |
5f144784 GM |
1059 | ;; Note that user-init-file is nil at this point. Code that might |
1060 | ;; be loaded from site-run-file and wants to test if -q was given | |
1061 | ;; should check init-file-user instead, since that is already set. | |
1062 | ;; See cus-edit.el for an example. | |
f1180544 | 1063 | (if site-run-file |
752ef254 GM |
1064 | (load site-run-file t t)) |
1065 | ||
1066 | ;; Sites should not disable this. Only individuals should disable | |
1cff9ad1 JL |
1067 | ;; the startup screen. |
1068 | (setq inhibit-startup-screen nil) | |
752ef254 | 1069 | |
f963ea40 | 1070 | ;; Warn for invalid user name. |
ce98f555 RS |
1071 | (when init-file-user |
1072 | (if (string-match "[~/:\n]" init-file-user) | |
1073 | (display-warning 'initialization | |
1074 | (format "Invalid user name %s" | |
1075 | init-file-user) | |
1076 | :error) | |
1df1e49e | 1077 | (if (file-directory-p (expand-file-name |
5463218c EZ |
1078 | ;; We don't support ~USER on MS-Windows |
1079 | ;; and MS-DOS except for the current | |
1080 | ;; user, and always load .emacs from | |
1081 | ;; the current user's home directory | |
1082 | ;; (see below). So always check "~", | |
1083 | ;; even if invoked with "-u USER", or | |
1084 | ;; if $USER or $LOGNAME are set to | |
1085 | ;; something different. | |
1086 | (if (memq system-type '(windows-nt ms-dos)) | |
1df1e49e EZ |
1087 | "~" |
1088 | (concat "~" init-file-user)))) | |
ce98f555 RS |
1089 | nil |
1090 | (display-warning 'initialization | |
1091 | (format "User %s has no home directory" | |
ec1b09b1 EZ |
1092 | (if (equal init-file-user "") |
1093 | (user-real-login-name) | |
1094 | init-file-user)) | |
ce98f555 | 1095 | :error)))) |
f963ea40 | 1096 | |
752ef254 GM |
1097 | ;; Load that user's init file, or the default one, or none. |
1098 | (let (debug-on-error-from-init-file | |
1099 | debug-on-error-should-be-set | |
1100 | (debug-on-error-initial | |
1101 | (if (eq init-file-debug t) 'startup init-file-debug)) | |
597e2240 | 1102 | (orig-enable-multibyte (default-value 'enable-multibyte-characters))) |
752ef254 GM |
1103 | (let ((debug-on-error debug-on-error-initial) |
1104 | ;; This function actually reads the init files. | |
1105 | (inner | |
1106 | (function | |
1107 | (lambda () | |
1108 | (if init-file-user | |
1109 | (let ((user-init-file-1 | |
4e0a3971 | 1110 | (cond |
8a05b668 JB |
1111 | ((eq system-type 'ms-dos) |
1112 | (concat "~" init-file-user "/_emacs")) | |
1113 | ((not (eq system-type 'windows-nt)) | |
1114 | (concat "~" init-file-user "/.emacs")) | |
1115 | ;; Else deal with the Windows situation | |
1116 | ((directory-files "~" nil "^\\.emacs\\(\\.elc?\\)?$") | |
1117 | ;; Prefer .emacs on Windows. | |
1118 | "~/.emacs") | |
1119 | ((directory-files "~" nil "^_emacs\\(\\.elc?\\)?$") | |
1120 | ;; Also support _emacs for compatibility, but warn about it. | |
50f84510 JB |
1121 | (push '(initialization |
1122 | "`_emacs' init file is deprecated, please use `.emacs'") | |
1123 | delayed-warnings-list) | |
8a05b668 JB |
1124 | "~/_emacs") |
1125 | (t ;; But default to .emacs if _emacs does not exist. | |
1126 | "~/.emacs")))) | |
752ef254 GM |
1127 | ;; This tells `load' to store the file name found |
1128 | ;; into user-init-file. | |
1129 | (setq user-init-file t) | |
1130 | (load user-init-file-1 t t) | |
f1180544 | 1131 | |
a04d5983 RS |
1132 | (when (eq user-init-file t) |
1133 | ;; If we did not find ~/.emacs, try | |
c3ab3701 | 1134 | ;; ~/.emacs.d/init.el. |
a04d5983 RS |
1135 | (let ((otherfile |
1136 | (expand-file-name | |
c3ab3701 | 1137 | "init" |
a04d5983 | 1138 | (file-name-as-directory |
c3ab3701 | 1139 | (concat "~" init-file-user "/.emacs.d"))))) |
a04d5983 RS |
1140 | (load otherfile t t) |
1141 | ||
1142 | ;; If we did not find the user's init file, | |
1143 | ;; set user-init-file conclusively. | |
1144 | ;; Don't let it be set from default.el. | |
1145 | (when (eq user-init-file t) | |
1146 | (setq user-init-file user-init-file-1)))) | |
f1180544 | 1147 | |
752ef254 GM |
1148 | ;; If we loaded a compiled file, set |
1149 | ;; `user-init-file' to the source version if that | |
1150 | ;; exists. | |
1151 | (when (and user-init-file | |
1152 | (equal (file-name-extension user-init-file) | |
1153 | "elc")) | |
1154 | (let* ((source (file-name-sans-extension user-init-file)) | |
1155 | (alt (concat source ".el"))) | |
1156 | (setq source (cond ((file-exists-p alt) alt) | |
1157 | ((file-exists-p source) source) | |
1158 | (t nil))) | |
1159 | (when source | |
1160 | (when (file-newer-than-file-p source user-init-file) | |
1161 | (message "Warning: %s is newer than %s" | |
1162 | source user-init-file) | |
1163 | (sit-for 1)) | |
1164 | (setq user-init-file source)))) | |
f1180544 | 1165 | |
bca8c7be | 1166 | (unless inhibit-default-init |
1cff9ad1 | 1167 | (let ((inhibit-startup-screen nil)) |
bca8c7be MS |
1168 | ;; Users are supposed to be told their rights. |
1169 | ;; (Plus how to get help and how to undo.) | |
1170 | ;; Don't you dare turn this off for anyone | |
1171 | ;; except yourself. | |
1172 | (load "default" t t))))))))) | |
752ef254 GM |
1173 | (if init-file-debug |
1174 | ;; Do this without a condition-case if the user wants to debug. | |
1175 | (funcall inner) | |
1176 | (condition-case error | |
1177 | (progn | |
1178 | (funcall inner) | |
1179 | (setq init-file-had-error nil)) | |
1180 | (error | |
f2602864 CY |
1181 | (display-warning |
1182 | 'initialization | |
1183 | (format "An error occurred while loading `%s':\n\n%s%s%s\n\n\ | |
1184 | To ensure normal operation, you should investigate and remove the | |
1185 | cause of the error in your initialization file. Start Emacs with | |
1186 | the `--debug-init' option to view a complete error backtrace." | |
1187 | user-init-file | |
1188 | (get (car error) 'error-message) | |
1189 | (if (cdr error) ": " "") | |
9dba2c64 SM |
1190 | (mapconcat (lambda (s) (prin1-to-string s t)) |
1191 | (cdr error) ", ")) | |
f2602864 CY |
1192 | :warning) |
1193 | (setq init-file-had-error t)))) | |
1194 | ||
1195 | (if (and deactivate-mark transient-mark-mode) | |
9c8b2150 RS |
1196 | (with-current-buffer (window-buffer) |
1197 | (deactivate-mark))) | |
1198 | ||
d5bd2558 GM |
1199 | ;; If the user has a file of abbrevs, read it (unless -batch). |
1200 | (when (and (not noninteractive) | |
1201 | (file-exists-p abbrev-file-name) | |
2863a9be | 1202 | (file-readable-p abbrev-file-name)) |
ac3186fd RS |
1203 | (quietly-read-abbrev-file abbrev-file-name)) |
1204 | ||
70b199c3 RS |
1205 | ;; If the abbrevs came entirely from the init file or the |
1206 | ;; abbrevs file, they do not need saving. | |
1207 | (setq abbrevs-changed nil) | |
1208 | ||
752ef254 GM |
1209 | ;; If we can tell that the init file altered debug-on-error, |
1210 | ;; arrange to preserve the value that it set up. | |
1211 | (or (eq debug-on-error debug-on-error-initial) | |
1212 | (setq debug-on-error-should-be-set t | |
1213 | debug-on-error-from-init-file debug-on-error))) | |
1214 | (if debug-on-error-should-be-set | |
1215 | (setq debug-on-error debug-on-error-from-init-file)) | |
597e2240 GM |
1216 | (unless (or (default-value 'enable-multibyte-characters) |
1217 | (eq orig-enable-multibyte (default-value | |
1218 | 'enable-multibyte-characters))) | |
752ef254 | 1219 | ;; Init file changed to unibyte. Reset existing multibyte |
09e80d9f | 1220 | ;; buffers (probably *scratch*, *Messages*, *Minibuf-0*). |
752ef254 GM |
1221 | ;; Arguably this should only be done if they're free of |
1222 | ;; multibyte characters. | |
e18c18e8 JB |
1223 | (mapc (lambda (buffer) |
1224 | (with-current-buffer buffer | |
1225 | (if enable-multibyte-characters | |
1226 | (set-buffer-multibyte nil)))) | |
1227 | (buffer-list)) | |
752ef254 GM |
1228 | ;; Also re-set the language environment in case it was |
1229 | ;; originally done before unibyte was set and is sensitive to | |
1230 | ;; unibyte (display table, terminal coding system &c). | |
1231 | (set-language-environment current-language-environment))) | |
f1180544 | 1232 | |
752ef254 | 1233 | ;; Do this here in case the init file sets mail-host-address. |
5b88a2c5 | 1234 | (if (equal user-mail-address "") |
cee0c996 EZ |
1235 | (setq user-mail-address (or (getenv "EMAIL") |
1236 | (concat (user-login-name) "@" | |
1237 | (or mail-host-address | |
1238 | (system-name)))))) | |
752ef254 GM |
1239 | |
1240 | ;; If parameter have been changed in the init file which influence | |
1241 | ;; face realization, clear the face cache so that new faces will | |
1242 | ;; be realized. | |
1243 | (unless (and (eq scalable-fonts-allowed old-scalable-fonts-allowed) | |
752ef254 GM |
1244 | (eq face-ignored-fonts old-face-ignored-fonts)) |
1245 | (clear-face-cache))) | |
f1180544 | 1246 | |
8a500a91 CY |
1247 | ;; If any package directory exists, initialize the package system. |
1248 | (and user-init-file | |
1249 | package-enable-at-startup | |
1250 | (catch 'package-dir-found | |
1251 | (let (dirs) | |
1252 | (if (boundp 'package-directory-list) | |
1253 | (setq dirs package-directory-list) | |
1254 | (dolist (f load-path) | |
1255 | (and (stringp f) | |
1256 | (equal (file-name-nondirectory f) "site-lisp") | |
1257 | (push (expand-file-name "elpa" f) dirs)))) | |
1258 | (push (if (boundp 'package-user-dir) | |
1259 | package-user-dir | |
1260 | (locate-user-emacs-file "elpa")) | |
1261 | dirs) | |
1262 | (dolist (dir dirs) | |
1263 | (when (file-directory-p dir) | |
1264 | (dolist (subdir (directory-files dir)) | |
1b8dff23 SM |
1265 | (when (let ((subdir (expand-file-name subdir dir))) |
1266 | (and (file-directory-p subdir) | |
1267 | (file-exists-p | |
551e07e5 JB |
1268 | (expand-file-name |
1269 | (package--description-file subdir) | |
1270 | subdir)))) | |
8a500a91 CY |
1271 | (throw 'package-dir-found t))))))) |
1272 | (package-initialize)) | |
44198b6e | 1273 | |
5ab0e67e | 1274 | (setq after-init-time (current-time)) |
e3bd99f5 RM |
1275 | (run-hooks 'after-init-hook) |
1276 | ||
a726e0d1 JB |
1277 | ;; If *scratch* exists and init file didn't change its mode, initialize it. |
1278 | (if (get-buffer "*scratch*") | |
694210c4 | 1279 | (with-current-buffer "*scratch*" |
a726e0d1 | 1280 | (if (eq major-mode 'fundamental-mode) |
26cdce23 | 1281 | (funcall initial-major-mode)))) |
f1180544 | 1282 | |
a726e0d1 JB |
1283 | ;; Load library for our terminal type. |
1284 | ;; User init file can set term-file-prefix to nil to prevent this. | |
bca8c7be | 1285 | (unless (or noninteractive |
259887e8 GM |
1286 | initial-window-system |
1287 | (daemonp)) | |
1d491ef2 | 1288 | (tty-run-terminal-initialization (selected-frame) nil t)) |
a726e0d1 | 1289 | |
5777a167 RS |
1290 | ;; Update the out-of-memory error message based on user's key bindings |
1291 | ;; for save-some-buffers. | |
1292 | (setq memory-signal-data | |
1293 | (list 'error | |
1294 | (substitute-command-keys "Memory exhausted--use \\[save-some-buffers] then exit and restart Emacs"))) | |
1295 | ||
03e3c30a | 1296 | ;; Process the remaining args. |
a726e0d1 JB |
1297 | (command-line-1 (cdr command-line-args)) |
1298 | ||
2e6710c3 GM |
1299 | ;; This is a problem because, e.g. if emacs.d/gnus.el exists, |
1300 | ;; trying to load gnus could load the wrong file. | |
1301 | ;; OK, it would not matter if .emacs.d were at the end of load-path. | |
1302 | ;; but for the sake of simplicity, we discourage it full-stop. | |
1303 | ;; Ref eg http://lists.gnu.org/archive/html/emacs-devel/2012-03/msg00056.html | |
1304 | ;; | |
1305 | ;; A bad element could come from user-emacs-file, the command line, | |
1306 | ;; or EMACSLOADPATH, so we basically always have to check. | |
1307 | (let (warned) | |
1308 | (dolist (dir load-path) | |
1309 | (and (not warned) | |
1310 | (string-match-p "/[._]emacs\\.d/?\\'" dir) | |
1311 | (string-equal (file-name-as-directory (expand-file-name dir)) | |
1312 | (expand-file-name user-emacs-directory)) | |
1313 | (setq warned t) | |
1314 | (display-warning 'initialization | |
1315 | (format "Your `load-path' seems to contain | |
1316 | your `.emacs.d' directory: %s\n\ | |
1317 | This is likely to cause problems...\n\ | |
1318 | Consider using a subdirectory instead, e.g.: %s" dir | |
1319 | (expand-file-name "lisp" user-emacs-directory)) | |
1320 | :warning)))) | |
1321 | ||
a726e0d1 | 1322 | ;; If -batch, terminate after processing the command options. |
ca57f55d JD |
1323 | (if noninteractive (kill-emacs t)) |
1324 | ||
7581ba40 RF |
1325 | ;; In daemon mode, start the server to allow clients to connect. |
1326 | ;; This is done after loading the user's init file and after | |
1327 | ;; processing all command line arguments to allow e.g. `server-name' | |
1328 | ;; to be changed before the server starts. | |
4ff029f6 DN |
1329 | (let ((dn (daemonp))) |
1330 | (when dn | |
1331 | (when (stringp dn) (setq server-name dn)) | |
1332 | (server-start) | |
35f372ca JB |
1333 | (if server-process |
1334 | (daemon-initialized) | |
fd95644b DN |
1335 | (if (stringp dn) |
1336 | (message | |
1337 | "Unable to start daemon: Emacs server named %S already running" | |
1338 | server-name) | |
1339 | (message "Unable to start the daemon.\nAnother instance of Emacs is running the server, either as daemon or interactively.\nYou can use emacsclient to connect to that Emacs process.")) | |
35f372ca | 1340 | (kill-emacs 1)))) |
7581ba40 | 1341 | |
ca57f55d JD |
1342 | ;; Run emacs-session-restore (session management) if started by |
1343 | ;; the session manager and we have a session manager connection. | |
bca8c7be MS |
1344 | (if (and (boundp 'x-session-previous-id) |
1345 | (stringp x-session-previous-id)) | |
a99df87d RS |
1346 | (with-no-warnings |
1347 | (emacs-session-restore x-session-previous-id)))) | |
a726e0d1 | 1348 | |
15cd8efd CY |
1349 | (defun x-apply-session-resources () |
1350 | "Apply X resources which specify initial values for Emacs variables. | |
1351 | This is called from a window-system initialization function, such | |
1352 | as `x-initialize-window-system' for X, either at startup (prior | |
1353 | to reading the init file), or afterwards when the user first | |
1354 | opens a graphical frame. | |
1355 | ||
1356 | This can set the values of `menu-bar-mode', `tool-bar-mode', and | |
1357 | `no-blinking-cursor', as well as the `cursor' face. Changed | |
1358 | settings will be marked as \"CHANGED outside of Customize\"." | |
1359 | (let ((no-vals '("no" "off" "false" "0")) | |
1360 | (settings '(("menuBar" "MenuBar" menu-bar-mode nil) | |
1361 | ("toolBar" "ToolBar" tool-bar-mode nil) | |
1362 | ("cursorBlink" "CursorBlink" no-blinking-cursor t)))) | |
1363 | (dolist (x settings) | |
1364 | (if (member (x-get-resource (nth 0 x) (nth 1 x)) no-vals) | |
1365 | (set (nth 2 x) (nth 3 x))))) | |
1366 | (let ((color (x-get-resource "cursorColor" "Foreground"))) | |
1367 | (when color | |
1368 | (put 'cursor 'theme-face | |
1369 | `((changed ((t :background ,color))))) | |
1370 | (put 'cursor 'face-modified t)))) | |
1371 | ||
46cfd295 | 1372 | (defcustom initial-scratch-message (purecopy "\ |
3b79c219 GM |
1373 | ;; This buffer is for notes you don't want to save, and for Lisp evaluation. |
1374 | ;; If you want to create a file, visit that file with C-x C-f, | |
1375 | ;; then enter the text in that file's own buffer. | |
9fe3219e | 1376 | |
46cfd295 | 1377 | ") |
9fe3219e | 1378 | "Initial message displayed in *scratch* buffer at startup. |
9bc6f805 | 1379 | If this is nil, no message will be displayed." |
fa071a47 RS |
1380 | :type '(choice (text :tag "Message") |
1381 | (const :tag "none" nil)) | |
1382 | :group 'initialization) | |
9fe3219e | 1383 | |
ce9ded5d GM |
1384 | \f |
1385 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
1386 | ;;; Fancy splash screen | |
1387 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
1388 | ||
a7610c52 | 1389 | (defconst fancy-startup-text |
fa7c3228 | 1390 | `((:face (variable-pitch font-lock-comment-face) |
22a58255 | 1391 | "Welcome to " |
6e0cfad3 | 1392 | :link ("GNU Emacs" |
9dba2c64 | 1393 | ,(lambda (_button) (browse-url "http://www.gnu.org/software/emacs/")) |
6e0cfad3 | 1394 | "Browse http://www.gnu.org/software/emacs/") |
22a58255 CY |
1395 | ", one component of the " |
1396 | :link | |
9dba2c64 | 1397 | ,(lambda () |
22a58255 | 1398 | (if (eq system-type 'gnu/linux) |
9dba2c64 SM |
1399 | `("GNU/Linux" |
1400 | ,(lambda (_button) (browse-url "http://www.gnu.org/gnu/linux-and-gnu.html")) | |
6e0cfad3 | 1401 | "Browse http://www.gnu.org/gnu/linux-and-gnu.html") |
00156f95 GM |
1402 | `("GNU" ,(lambda (_button) |
1403 | (browse-url "http://www.gnu.org/gnu/thegnuproject.html")) | |
1404 | "Browse http://www.gnu.org/gnu/thegnuproject.html"))) | |
bb398779 | 1405 | " operating system.\n\n" |
ca267291 | 1406 | :face variable-pitch |
9dba2c64 | 1407 | :link ("Emacs Tutorial" ,(lambda (_button) (help-with-tutorial))) |
22a58255 | 1408 | "\tLearn basic keystroke commands" |
9dba2c64 | 1409 | ,(lambda () |
fad930b6 RS |
1410 | (let* ((en "TUTORIAL") |
1411 | (tut (or (get-language-info current-language-environment | |
1412 | 'tutorial) | |
1413 | en)) | |
1414 | (title (with-temp-buffer | |
1415 | (insert-file-contents | |
1416 | (expand-file-name tut tutorial-directory) | |
87ab808f EZ |
1417 | ;; We used to read only the first 256 bytes of |
1418 | ;; the tutorial, but that prevents the coding: | |
1419 | ;; setting, if any, in file-local variables | |
1420 | ;; section to be seen by insert-file-contents, | |
1421 | ;; and results in gibberish when the language | |
1422 | ;; environment's preferred encoding is | |
1423 | ;; different from what the file-local variable | |
1424 | ;; says. One case in point is Hebrew. | |
1425 | nil) | |
fad930b6 RS |
1426 | (search-forward ".") |
1427 | (buffer-substring (point-min) (1- (point)))))) | |
1428 | ;; If there is a specific tutorial for the current language | |
1429 | ;; environment and it is not English, append its title. | |
1430 | (if (string= en tut) | |
1431 | "" | |
1432 | (concat " (" title ")")))) | |
1433 | "\n" | |
fad930b6 | 1434 | :link ("Emacs Guided Tour" |
9dba2c64 SM |
1435 | ,(lambda (_button) |
1436 | (browse-url "http://www.gnu.org/software/emacs/tour/")) | |
6e0cfad3 | 1437 | "Browse http://www.gnu.org/software/emacs/tour/") |
bb398779 | 1438 | "\tOverview of Emacs features at gnu.org\n" |
9dba2c64 | 1439 | :link ("View Emacs Manual" ,(lambda (_button) (info-emacs-manual))) |
490a1ad6 | 1440 | "\tView the Emacs manual using Info\n" |
9dba2c64 | 1441 | :link ("Absence of Warranty" ,(lambda (_button) (describe-no-warranty))) |
fad930b6 | 1442 | "\tGNU Emacs comes with " |
422abbfd | 1443 | :face (variable-pitch (:slant oblique)) |
fad930b6 RS |
1444 | "ABSOLUTELY NO WARRANTY\n" |
1445 | :face variable-pitch | |
9dba2c64 | 1446 | :link ("Copying Conditions" ,(lambda (_button) (describe-copying))) |
fad930b6 | 1447 | "\tConditions for redistributing and changing Emacs\n" |
9dba2c64 | 1448 | :link ("Ordering Manuals" ,(lambda (_button) (view-order-manuals))) |
22a58255 | 1449 | "\tPurchasing printed copies of manuals\n" |
fad930b6 | 1450 | "\n")) |
ce9ded5d GM |
1451 | "A list of texts to show in the middle part of splash screens. |
1452 | Each element in the list should be a list of strings or pairs | |
1453 | `:face FACE', like `fancy-splash-insert' accepts them.") | |
1454 | ||
a7610c52 | 1455 | (defconst fancy-about-text |
91064207 | 1456 | `((:face (variable-pitch font-lock-comment-face) |
22a58255 | 1457 | "This is " |
6e0cfad3 | 1458 | :link ("GNU Emacs" |
9dba2c64 | 1459 | ,(lambda (_button) (browse-url "http://www.gnu.org/software/emacs/")) |
6e0cfad3 | 1460 | "Browse http://www.gnu.org/software/emacs/") |
22a58255 CY |
1461 | ", one component of the " |
1462 | :link | |
9dba2c64 | 1463 | ,(lambda () |
22a58255 | 1464 | (if (eq system-type 'gnu/linux) |
9dba2c64 SM |
1465 | `("GNU/Linux" |
1466 | ,(lambda (_button) | |
1467 | (browse-url "http://www.gnu.org/gnu/linux-and-gnu.html")) | |
6e0cfad3 | 1468 | "Browse http://www.gnu.org/gnu/linux-and-gnu.html") |
9dba2c64 | 1469 | `("GNU" ,(lambda (_button) (describe-gnu-project)) |
6e0cfad3 | 1470 | "Display info on the GNU project."))) |
22a58255 | 1471 | " operating system.\n" |
fa7c3228 | 1472 | :face (variable-pitch font-lock-builtin-face) |
22a58255 | 1473 | "\n" |
9dba2c64 | 1474 | ,(lambda () (emacs-version)) |
22a58255 | 1475 | "\n" |
245a7698 | 1476 | :face (variable-pitch (:height 0.8)) |
9dba2c64 | 1477 | ,(lambda () emacs-copyright) |
22a58255 CY |
1478 | "\n\n" |
1479 | :face variable-pitch | |
490a1ad6 | 1480 | :link ("Authors" |
9dba2c64 | 1481 | ,(lambda (_button) |
490a1ad6 JL |
1482 | (view-file (expand-file-name "AUTHORS" data-directory)) |
1483 | (goto-char (point-min)))) | |
1484 | "\tMany people have contributed code included in GNU Emacs\n" | |
1485 | :link ("Contributing" | |
9dba2c64 | 1486 | ,(lambda (_button) |
490a1ad6 JL |
1487 | (view-file (expand-file-name "CONTRIBUTE" data-directory)) |
1488 | (goto-char (point-min)))) | |
1489 | "\tHow to contribute improvements to Emacs\n" | |
1490 | "\n" | |
9dba2c64 | 1491 | :link ("GNU and Freedom" ,(lambda (_button) (describe-gnu-project))) |
fad930b6 | 1492 | "\tWhy we developed GNU Emacs, and the GNU operating system\n" |
9dba2c64 | 1493 | :link ("Absence of Warranty" ,(lambda (_button) (describe-no-warranty))) |
fad930b6 | 1494 | "\tGNU Emacs comes with " |
422abbfd | 1495 | :face (variable-pitch (:slant oblique)) |
fad930b6 RS |
1496 | "ABSOLUTELY NO WARRANTY\n" |
1497 | :face variable-pitch | |
9dba2c64 | 1498 | :link ("Copying Conditions" ,(lambda (_button) (describe-copying))) |
fad930b6 | 1499 | "\tConditions for redistributing and changing Emacs\n" |
9dba2c64 | 1500 | :link ("Getting New Versions" ,(lambda (_button) (describe-distribution))) |
fad930b6 | 1501 | "\tHow to obtain the latest version of Emacs\n" |
9dba2c64 | 1502 | :link ("Ordering Manuals" ,(lambda (_button) (view-order-manuals))) |
1cff9ad1 | 1503 | "\tBuying printed manuals from the FSF\n" |
fad930b6 | 1504 | "\n" |
9dba2c64 | 1505 | :link ("Emacs Tutorial" ,(lambda (_button) (help-with-tutorial))) |
fad930b6 | 1506 | "\tLearn basic Emacs keystroke commands" |
9dba2c64 | 1507 | ,(lambda () |
fad930b6 RS |
1508 | (let* ((en "TUTORIAL") |
1509 | (tut (or (get-language-info current-language-environment | |
1510 | 'tutorial) | |
1511 | en)) | |
1512 | (title (with-temp-buffer | |
1513 | (insert-file-contents | |
1514 | (expand-file-name tut tutorial-directory) | |
1515 | nil 0 256) | |
1516 | (search-forward ".") | |
1517 | (buffer-substring (point-min) (1- (point)))))) | |
1518 | ;; If there is a specific tutorial for the current language | |
1519 | ;; environment and it is not English, append its title. | |
1520 | (if (string= en tut) | |
1521 | "" | |
1522 | (concat " (" title ")")))) | |
1523 | "\n" | |
1524 | :link ("Emacs Guided Tour" | |
9dba2c64 SM |
1525 | ,(lambda (_button) |
1526 | (browse-url "http://www.gnu.org/software/emacs/tour/")) | |
6e0cfad3 | 1527 | "Browse http://www.gnu.org/software/emacs/tour/") |
fa7c3228 | 1528 | "\tSee an overview of Emacs features at gnu.org")) |
1d865f15 JL |
1529 | "A list of texts to show in the middle part of the About screen. |
1530 | Each element in the list should be a list of strings or pairs | |
1531 | `:face FACE', like `fancy-splash-insert' accepts them.") | |
1532 | ||
ce9ded5d | 1533 | |
fb275c02 | 1534 | (defgroup fancy-splash-screen () |
a01bb1db | 1535 | "Fancy splash screen when Emacs starts." |
fb275c02 | 1536 | :version "21.1" |
a01bb1db GM |
1537 | :group 'initialization) |
1538 | ||
8ad8561b | 1539 | (defcustom fancy-splash-image nil |
ea6c930a | 1540 | "The image to show in the splash screens, or nil for defaults." |
a01bb1db | 1541 | :group 'fancy-splash-screen |
8ad8561b GM |
1542 | :type '(choice (const :tag "Default" nil) |
1543 | (file :tag "File"))) | |
ce9ded5d GM |
1544 | |
1545 | ||
aeb6faec | 1546 | (defvar splash-screen-keymap |
26cdce23 JL |
1547 | (let ((map (make-sparse-keymap))) |
1548 | (suppress-keymap map) | |
1549 | (set-keymap-parent map button-buffer-map) | |
ce3cefcc | 1550 | (define-key map "\C-?" 'scroll-down-command) |
958614cf | 1551 | (define-key map [?\S-\ ] 'scroll-down-command) |
ce3cefcc | 1552 | (define-key map " " 'scroll-up-command) |
aeb6faec | 1553 | (define-key map "q" 'exit-splash-screen) |
26cdce23 JL |
1554 | map) |
1555 | "Keymap for splash screen buffer.") | |
1556 | ||
f645586f GM |
1557 | ;; These are temporary storage areas for the splash screen display. |
1558 | ||
ce9ded5d GM |
1559 | (defun fancy-splash-insert (&rest args) |
1560 | "Insert text into the current buffer, with faces. | |
22a58255 CY |
1561 | Arguments from ARGS should be either strings; functions called |
1562 | with no args that return a string; pairs `:face FACE', where FACE | |
1563 | is a face specification usable with `put-text-property'; or pairs | |
1564 | `:link LINK' where LINK is a list of arguments to pass to | |
6e0cfad3 JL |
1565 | `insert-button', of the form (LABEL ACTION [HELP-ECHO]), which |
1566 | specifies the button's label, `action' property and help-echo string. | |
1567 | FACE and LINK can also be functions, which are evaluated to obtain | |
1568 | a face or button specification." | |
ce9ded5d GM |
1569 | (let ((current-face nil)) |
1570 | (while args | |
26cdce23 | 1571 | (cond ((eq (car args) :face) |
22a58255 CY |
1572 | (setq args (cdr args) current-face (car args)) |
1573 | (if (functionp current-face) | |
1574 | (setq current-face (funcall current-face)))) | |
26cdce23 JL |
1575 | ((eq (car args) :link) |
1576 | (setq args (cdr args)) | |
1577 | (let ((spec (car args))) | |
22a58255 CY |
1578 | (if (functionp spec) |
1579 | (setq spec (funcall spec))) | |
26cdce23 JL |
1580 | (insert-button (car spec) |
1581 | 'face (list 'link current-face) | |
1582 | 'action (cadr spec) | |
6e0cfad3 JL |
1583 | 'help-echo (concat "mouse-2, RET: " |
1584 | (or (nth 2 spec) | |
1585 | "Follow this link")) | |
26cdce23 JL |
1586 | 'follow-link t))) |
1587 | (t (insert (propertize (let ((it (car args))) | |
1588 | (if (functionp it) | |
1589 | (funcall it) | |
1590 | it)) | |
1591 | 'face current-face | |
d4a629de | 1592 | 'help-echo (startup-echo-area-message))))) |
ce9ded5d GM |
1593 | (setq args (cdr args))))) |
1594 | ||
aa360da1 | 1595 | (declare-function image-size "image.c" (spec &optional pixels frame)) |
ce9ded5d | 1596 | |
0a25002d DH |
1597 | (defun fancy-splash-image-file () |
1598 | (cond ((stringp fancy-splash-image) fancy-splash-image) | |
1599 | ((display-color-p) | |
1600 | (cond ((<= (display-planes) 8) | |
1601 | (if (image-type-available-p 'xpm) | |
1602 | "splash.xpm" | |
1603 | "splash.pbm")) | |
1604 | ((or (image-type-available-p 'svg) | |
1605 | (image-type-available-p 'imagemagick)) | |
1606 | "splash.svg") | |
1607 | ((image-type-available-p 'png) | |
1608 | "splash.png") | |
1609 | ((image-type-available-p 'xpm) | |
1610 | "splash.xpm") | |
1611 | (t "splash.pbm"))) | |
1612 | (t "splash.pbm"))) | |
1613 | ||
ce9ded5d GM |
1614 | (defun fancy-splash-head () |
1615 | "Insert the head part of the splash screen into the current buffer." | |
0a25002d | 1616 | (let* ((image-file (fancy-splash-image-file)) |
51e8cfdd | 1617 | (img (create-image image-file)) |
ce9ded5d | 1618 | (image-width (and img (car (image-size img)))) |
290d5b58 | 1619 | (window-width (window-width))) |
ce9ded5d GM |
1620 | (when img |
1621 | (when (> window-width image-width) | |
f645586f | 1622 | ;; Center the image in the window. |
6b61353c KH |
1623 | (insert (propertize " " 'display |
1624 | `(space :align-to (+ center (-0.5 . ,img))))) | |
f645586f | 1625 | |
e7f3afa9 MB |
1626 | ;; Change the color of the XPM version of the splash image |
1627 | ;; so that it is visible with a dark frame background. | |
1628 | (when (and (memq 'xpm img) | |
1629 | (eq (frame-parameter nil 'background-mode) 'dark)) | |
1630 | (setq img (append img '(:color-symbols (("#000000" . "gray30")))))) | |
1631 | ||
aeb6faec JL |
1632 | ;; Insert the image with a help-echo and a link. |
1633 | (make-button (prog1 (point) (insert-image img)) (point) | |
1634 | 'face 'default | |
6e0cfad3 | 1635 | 'help-echo "mouse-2, RET: Browse http://www.gnu.org/" |
06788a55 | 1636 | 'action (lambda (_button) (browse-url "http://www.gnu.org/")) |
aeb6faec | 1637 | 'follow-link t) |
22a58255 CY |
1638 | (insert "\n\n"))))) |
1639 | ||
1cff9ad1 | 1640 | (defun fancy-startup-tail (&optional concise) |
ce9ded5d | 1641 | "Insert the tail part of the splash screen into the current buffer." |
fa7c3228 | 1642 | (unless concise |
bb398779 | 1643 | (fancy-splash-insert |
fa7c3228 CY |
1644 | :face 'variable-pitch |
1645 | "\nTo start... " | |
1646 | :link `("Open a File" | |
1647 | ,(lambda (_button) (call-interactively 'find-file)) | |
1648 | "Specify a new file's name, to edit the file") | |
1649 | " " | |
1650 | :link `("Open Home Directory" | |
1651 | ,(lambda (_button) (dired "~")) | |
1652 | "Open your home directory, to operate on its files") | |
1653 | " " | |
1654 | :link `("Customize Startup" | |
1655 | ,(lambda (_button) (customize-group 'initialization)) | |
1656 | "Change initialization settings including this screen") | |
1657 | "\n")) | |
1658 | (fancy-splash-insert | |
1659 | :face 'variable-pitch "To quit a partially entered command, type " | |
1660 | :face 'default "Control-g" | |
1661 | :face 'variable-pitch ".\n") | |
1662 | (fancy-splash-insert :face `(variable-pitch font-lock-builtin-face) | |
1663 | "\nThis is " | |
1664 | (emacs-version) | |
1665 | "\n" | |
1666 | :face '(variable-pitch (:height 0.8)) | |
1667 | emacs-copyright | |
1668 | "\n") | |
c01bf73e CY |
1669 | (when auto-save-list-file-prefix |
1670 | (let ((dir (file-name-directory auto-save-list-file-prefix)) | |
1671 | (name (file-name-nondirectory auto-save-list-file-prefix)) | |
1672 | files) | |
1673 | ;; Don't warn if the directory for auto-save-list files does not | |
1674 | ;; yet exist. | |
1675 | (and (file-directory-p dir) | |
1676 | (setq files (directory-files dir nil (concat "\\`" name) t)) | |
1677 | (fancy-splash-insert :face '(variable-pitch font-lock-comment-face) | |
1678 | (if (= (length files) 1) | |
1679 | "\nAn auto-save file list was found. " | |
1680 | "\nAuto-save file lists were found. ") | |
1681 | "If an Emacs session crashed recently,\ntype " | |
f0b6ae63 KS |
1682 | :link `("M-x recover-session RET" |
1683 | ,(lambda (_button) | |
1684 | (call-interactively | |
1685 | 'recover-session))) | |
c01bf73e | 1686 | " to recover the files you were editing.")))) |
fa7c3228 CY |
1687 | |
1688 | (when concise | |
1689 | (fancy-splash-insert | |
1690 | :face 'variable-pitch "\n" | |
1691 | :link `("Dismiss this startup screen" | |
1692 | ,(lambda (_button) | |
1693 | (when startup-screen-inhibit-startup-screen | |
1694 | (customize-set-variable 'inhibit-startup-screen t) | |
1695 | (customize-mark-to-save 'inhibit-startup-screen) | |
1696 | (custom-save-all)) | |
1697 | (let ((w (get-buffer-window "*GNU Emacs*"))) | |
1698 | (and w (not (one-window-p)) (delete-window w))) | |
1699 | (kill-buffer "*GNU Emacs*"))) | |
1700 | " ") | |
1701 | (when (or user-init-file custom-file) | |
1702 | (let ((checked (create-image "checked.xpm" | |
1703 | nil nil :ascent 'center)) | |
1704 | (unchecked (create-image "unchecked.xpm" | |
1705 | nil nil :ascent 'center))) | |
1706 | (insert-button | |
1707 | " " | |
1708 | :on-glyph checked | |
1709 | :off-glyph unchecked | |
1710 | 'checked nil 'display unchecked 'follow-link t | |
1711 | 'action (lambda (button) | |
1712 | (if (overlay-get button 'checked) | |
1713 | (progn (overlay-put button 'checked nil) | |
1714 | (overlay-put button 'display | |
1715 | (overlay-get button :off-glyph)) | |
1716 | (setq startup-screen-inhibit-startup-screen | |
1717 | nil)) | |
1718 | (overlay-put button 'checked t) | |
1719 | (overlay-put button 'display | |
1720 | (overlay-get button :on-glyph)) | |
1721 | (setq startup-screen-inhibit-startup-screen t))))) | |
1722 | (fancy-splash-insert :face '(variable-pitch (:height 0.9)) | |
1723 | " Never show it again.")))) | |
f645586f | 1724 | |
aeb6faec | 1725 | (defun exit-splash-screen () |
26cdce23 | 1726 | "Stop displaying the splash screen buffer." |
f645586f | 1727 | (interactive) |
1d865f15 JL |
1728 | (quit-window t)) |
1729 | ||
1cff9ad1 | 1730 | (defun fancy-startup-screen (&optional concise) |
22a58255 | 1731 | "Display fancy startup screen. |
1cff9ad1 JL |
1732 | If CONCISE is non-nil, display a concise version of the |
1733 | splash screen in another window." | |
3d9d55e6 | 1734 | (let ((splash-buffer (get-buffer-create "*GNU Emacs*"))) |
09723615 | 1735 | (with-current-buffer splash-buffer |
3d9d55e6 CY |
1736 | (let ((inhibit-read-only t)) |
1737 | (erase-buffer) | |
4222d0a4 | 1738 | (setq default-directory command-line-default-directory) |
3d9d55e6 CY |
1739 | (make-local-variable 'startup-screen-inhibit-startup-screen) |
1740 | (if pure-space-overflow | |
1741 | (insert pure-space-overflow-message)) | |
1742 | (unless concise | |
1743 | (fancy-splash-head)) | |
1744 | (dolist (text fancy-startup-text) | |
1745 | (apply #'fancy-splash-insert text) | |
1746 | (insert "\n")) | |
1747 | (skip-chars-backward "\n") | |
1748 | (delete-region (point) (point-max)) | |
1749 | (insert "\n") | |
1750 | (fancy-startup-tail concise)) | |
1751 | (use-local-map splash-screen-keymap) | |
7a409b30 | 1752 | (setq-local browse-url-browser-function 'eww-browse-url) |
3d9d55e6 CY |
1753 | (setq tab-width 22 |
1754 | buffer-read-only t) | |
1755 | (set-buffer-modified-p nil) | |
1756 | (if (and view-read-only (not view-mode)) | |
1757 | (view-mode-enter nil 'kill-buffer)) | |
09723615 JL |
1758 | (goto-char (point-min)) |
1759 | (forward-line (if concise 2 4))) | |
3d9d55e6 CY |
1760 | (if concise |
1761 | (progn | |
1762 | (display-buffer splash-buffer) | |
1763 | ;; If the splash screen is in a split window, fit it. | |
1764 | (let ((window (get-buffer-window splash-buffer t))) | |
1765 | (or (null window) | |
1766 | (eq window (selected-window)) | |
1767 | (eq window (next-window window)) | |
1768 | (fit-window-to-buffer window)))) | |
1769 | (switch-to-buffer splash-buffer)))) | |
22a58255 CY |
1770 | |
1771 | (defun fancy-about-screen () | |
1772 | "Display fancy About screen." | |
1773 | (let ((frame (fancy-splash-frame))) | |
1774 | (save-selected-window | |
1775 | (select-frame frame) | |
1776 | (switch-to-buffer "*About GNU Emacs*") | |
6a639b16 | 1777 | (setq buffer-undo-list t) |
22a58255 CY |
1778 | (let ((inhibit-read-only t)) |
1779 | (erase-buffer) | |
1780 | (if pure-space-overflow | |
1781 | (insert pure-space-overflow-message)) | |
1782 | (fancy-splash-head) | |
1783 | (dolist (text fancy-about-text) | |
1784 | (apply #'fancy-splash-insert text) | |
1785 | (insert "\n")) | |
22a58255 CY |
1786 | (set-buffer-modified-p nil) |
1787 | (goto-char (point-min)) | |
1788 | (force-mode-line-update)) | |
aeb6faec | 1789 | (use-local-map splash-screen-keymap) |
7a409b30 | 1790 | (setq-local browse-url-browser-function 'eww-browse-url) |
cb3fe757 | 1791 | (setq tab-width 22) |
08326816 | 1792 | (setq buffer-read-only t) |
09723615 JL |
1793 | (goto-char (point-min)) |
1794 | (forward-line 3)))) | |
6b20fb8e RS |
1795 | |
1796 | (defun fancy-splash-frame () | |
1797 | "Return the frame to use for the fancy splash screen. | |
1798 | Returning non-nil does not mean we should necessarily | |
1799 | use the fancy splash screen, but if we do use it, | |
1800 | we put it on this frame." | |
1801 | (let (chosen-frame) | |
0a8e1269 EZ |
1802 | ;; MS-Windows needs this to have a chance to make the initial |
1803 | ;; frame visible. | |
1804 | (if (eq system-type 'windows-nt) | |
1805 | (sit-for 0 t)) | |
3a321ddb | 1806 | (dolist (frame (append (frame-list) (list (selected-frame)))) |
6b20fb8e RS |
1807 | (if (and (frame-visible-p frame) |
1808 | (not (window-minibuffer-p (frame-selected-window frame)))) | |
1809 | (setq chosen-frame frame))) | |
1810 | chosen-frame)) | |
f645586f | 1811 | |
285991dc GM |
1812 | (defun use-fancy-splash-screens-p () |
1813 | "Return t if fancy splash screens should be used." | |
6b61353c KH |
1814 | (when (and (display-graphic-p) |
1815 | (or (and (display-color-p) | |
0a8e1269 | 1816 | (image-type-available-p 'xpm)) |
6b61353c | 1817 | (image-type-available-p 'pbm))) |
16d2fae9 JPW |
1818 | (let ((frame (fancy-splash-frame))) |
1819 | (when frame | |
0a25002d | 1820 | (let* ((img (create-image (fancy-splash-image-file))) |
a68ccb40 RS |
1821 | (image-height (and img (cdr (image-size img nil frame)))) |
1822 | ;; We test frame-height so that, if the frame is split | |
1823 | ;; by displaying a warning, that doesn't cause the normal | |
1824 | ;; splash screen to be used. | |
1825 | (frame-height (1- (frame-height frame)))) | |
1826 | (> frame-height (+ image-height 19))))))) | |
285991dc GM |
1827 | |
1828 | ||
79b1c79c | 1829 | (defun normal-splash-screen (&optional startup concise) |
1d865f15 JL |
1830 | "Display non-graphic splash screen. |
1831 | If optional argument STARTUP is non-nil, display the startup screen | |
79b1c79c JL |
1832 | after Emacs starts. If STARTUP is nil, display the About screen. |
1833 | If CONCISE is non-nil, display a concise version of the | |
1834 | splash screen in another window." | |
1835 | (let ((splash-buffer (get-buffer-create "*About GNU Emacs*"))) | |
1836 | (with-current-buffer splash-buffer | |
1d865f15 JL |
1837 | (setq buffer-read-only nil) |
1838 | (erase-buffer) | |
4222d0a4 | 1839 | (setq default-directory command-line-default-directory) |
1d865f15 | 1840 | (set (make-local-variable 'tab-width) 8) |
1d865f15 JL |
1841 | |
1842 | (if pure-space-overflow | |
22a58255 | 1843 | (insert pure-space-overflow-message)) |
260a5020 | 1844 | |
1d865f15 JL |
1845 | ;; The convention for this piece of code is that |
1846 | ;; each piece of output starts with one or two newlines | |
1847 | ;; and does not end with any newlines. | |
22a58255 | 1848 | (insert (if startup "Welcome to GNU Emacs" "This is GNU Emacs")) |
1d865f15 JL |
1849 | (insert |
1850 | (if (eq system-type 'gnu/linux) | |
1851 | ", one component of the GNU/Linux operating system.\n" | |
1852 | ", a part of the GNU operating system.\n")) | |
1853 | ||
1854 | (if startup | |
1855 | (if (display-mouse-p) | |
1856 | ;; The user can use the mouse to activate menus | |
1857 | ;; so give help in terms of menu items. | |
fad930b6 | 1858 | (normal-mouse-startup-screen) |
c61453ea | 1859 | |
e349ae3b | 1860 | ;; No mouse menus, so give help using kbd commands. |
fad930b6 | 1861 | (normal-no-mouse-startup-screen)) |
e349ae3b | 1862 | |
fad930b6 | 1863 | (normal-about-screen)) |
1d865f15 JL |
1864 | |
1865 | ;; The rest of the startup screen is the same on all | |
1866 | ;; kinds of terminals. | |
1867 | ||
1868 | ;; Give information on recovering, if there was a crash. | |
1869 | (and startup | |
1870 | auto-save-list-file-prefix | |
1871 | ;; Don't signal an error if the | |
1872 | ;; directory for auto-save-list files | |
1873 | ;; does not yet exist. | |
1874 | (file-directory-p (file-name-directory | |
1875 | auto-save-list-file-prefix)) | |
1876 | (directory-files | |
1877 | (file-name-directory auto-save-list-file-prefix) | |
1878 | nil | |
1879 | (concat "\\`" | |
1880 | (regexp-quote (file-name-nondirectory | |
1881 | auto-save-list-file-prefix))) | |
1882 | t) | |
1883 | (insert "\n\nIf an Emacs session crashed recently, " | |
1884 | "type Meta-x recover-session RET\nto recover" | |
1885 | " the files you were editing.\n")) | |
26cdce23 | 1886 | |
1d865f15 | 1887 | (use-local-map splash-screen-keymap) |
e349ae3b | 1888 | |
1d865f15 JL |
1889 | ;; Display the input that we set up in the buffer. |
1890 | (set-buffer-modified-p nil) | |
1891 | (setq buffer-read-only t) | |
1892 | (if (and view-read-only (not view-mode)) | |
1893 | (view-mode-enter nil 'kill-buffer)) | |
1d865f15 | 1894 | (if startup (rename-buffer "*GNU Emacs*" t)) |
79b1c79c JL |
1895 | (goto-char (point-min))) |
1896 | (if concise | |
1897 | (display-buffer splash-buffer) | |
1898 | (switch-to-buffer splash-buffer)))) | |
82e736c1 | 1899 | |
fad930b6 RS |
1900 | (defun normal-mouse-startup-screen () |
1901 | ;; The user can use the mouse to activate menus | |
1902 | ;; so give help in terms of menu items. | |
1903 | (insert "\ | |
09723615 | 1904 | To follow a link, click Mouse-1 on it, or move to it and type RET. |
26cdce23 JL |
1905 | To quit a partially entered command, type Control-g.\n") |
1906 | ||
fad930b6 RS |
1907 | (insert "\nImportant Help menu items:\n") |
1908 | (insert-button "Emacs Tutorial" | |
06788a55 | 1909 | 'action (lambda (_button) (help-with-tutorial)) |
fad930b6 RS |
1910 | 'follow-link t) |
1911 | (insert "\t\tLearn basic Emacs keystroke commands\n") | |
1912 | (insert-button "Read the Emacs Manual" | |
06788a55 | 1913 | 'action (lambda (_button) (info-emacs-manual)) |
fad930b6 RS |
1914 | 'follow-link t) |
1915 | (insert "\tView the Emacs manual using Info\n") | |
1916 | (insert-button "\(Non)Warranty" | |
06788a55 | 1917 | 'action (lambda (_button) (describe-no-warranty)) |
fad930b6 RS |
1918 | 'follow-link t) |
1919 | (insert "\t\tGNU Emacs comes with ABSOLUTELY NO WARRANTY\n") | |
1920 | (insert-button "Copying Conditions" | |
06788a55 | 1921 | 'action (lambda (_button) (describe-copying)) |
fad930b6 RS |
1922 | 'follow-link t) |
1923 | (insert "\tConditions for redistributing and changing Emacs\n") | |
1924 | (insert-button "More Manuals / Ordering Manuals" | |
06788a55 | 1925 | 'action (lambda (_button) (view-order-manuals)) |
fad930b6 RS |
1926 | 'follow-link t) |
1927 | (insert " How to order printed manuals from the FSF\n") | |
1928 | ||
1929 | (insert "\nUseful tasks:\n") | |
1930 | (insert-button "Visit New File" | |
06788a55 | 1931 | 'action (lambda (_button) (call-interactively 'find-file)) |
fad930b6 RS |
1932 | 'follow-link t) |
1933 | (insert "\t\tSpecify a new file's name, to edit the file\n") | |
1934 | (insert-button "Open Home Directory" | |
06788a55 | 1935 | 'action (lambda (_button) (dired "~")) |
fad930b6 RS |
1936 | 'follow-link t) |
1937 | (insert "\tOpen your home directory, to operate on its files\n") | |
1938 | (insert-button "Customize Startup" | |
06788a55 | 1939 | 'action (lambda (_button) (customize-group 'initialization)) |
fad930b6 RS |
1940 | 'follow-link t) |
1941 | (insert "\tChange initialization settings including this screen\n") | |
1942 | ||
1943 | (insert "\n" (emacs-version) | |
1944 | "\n" emacs-copyright)) | |
1945 | ||
fad930b6 | 1946 | (defun normal-no-mouse-startup-screen () |
b46a056e | 1947 | "Show a splash screen suitable for displays without mouse support." |
2aa0e5bf SM |
1948 | (let* ((c-h-accessible |
1949 | ;; If normal-erase-is-backspace is used on a tty, there's | |
1950 | ;; no way to invoke C-h and you have to use F1 instead. | |
1951 | (or (not (char-table-p keyboard-translate-table)) | |
1952 | (eq (aref keyboard-translate-table ?\C-h) ?\C-h))) | |
1953 | (minor-mode-overriding-map-alist | |
1954 | (cons (cons (not c-h-accessible) | |
1955 | ;; If C-h can't be invoked, temporarily disable its | |
1956 | ;; binding, so where-is uses alternative bindings. | |
1957 | (let ((map (make-sparse-keymap))) | |
1958 | (define-key map [?\C-h] 'undefined) | |
1959 | map)) | |
1960 | minor-mode-overriding-map-alist))) | |
1961 | ||
1962 | (insert (format "\nGet help\t %s\n" | |
1963 | (let ((where (where-is-internal 'help-command nil t))) | |
1964 | (cond | |
1965 | ((equal where [?\C-h]) | |
1966 | "C-h (Hold down CTRL and press h)") | |
1967 | (where (key-description where)) | |
1968 | (t "M-x help"))))) | |
1969 | (insert-button "Emacs manual" | |
06788a55 | 1970 | 'action (lambda (_button) (info-emacs-manual)) |
2aa0e5bf SM |
1971 | 'follow-link t) |
1972 | (insert (substitute-command-keys"\t \\[info-emacs-manual]\t")) | |
1973 | (insert-button "Browse manuals" | |
06788a55 | 1974 | 'action (lambda (_button) (Info-directory)) |
2aa0e5bf SM |
1975 | 'follow-link t) |
1976 | (insert (substitute-command-keys "\t \\[info]\n")) | |
1977 | (insert-button "Emacs tutorial" | |
06788a55 | 1978 | 'action (lambda (_button) (help-with-tutorial)) |
2aa0e5bf SM |
1979 | 'follow-link t) |
1980 | (insert (substitute-command-keys | |
8cb95edf | 1981 | "\t \\[help-with-tutorial]\tUndo changes\t \\[undo]\n")) |
2aa0e5bf | 1982 | (insert-button "Buy manuals" |
06788a55 | 1983 | 'action (lambda (_button) (view-order-manuals)) |
2aa0e5bf SM |
1984 | 'follow-link t) |
1985 | (insert (substitute-command-keys | |
1986 | "\t \\[view-order-manuals]\tExit Emacs\t \\[save-buffers-kill-terminal]"))) | |
fad930b6 RS |
1987 | |
1988 | ;; Say how to use the menu bar with the keyboard. | |
1989 | (insert "\n") | |
1990 | (insert-button "Activate menubar" | |
06788a55 | 1991 | 'action (lambda (_button) (tmm-menubar)) |
fad930b6 RS |
1992 | 'follow-link t) |
1993 | (if (and (eq (key-binding "\M-`") 'tmm-menubar) | |
1994 | (eq (key-binding [f10]) 'tmm-menubar)) | |
1995 | (insert " F10 or ESC ` or M-`") | |
1996 | (insert (substitute-command-keys " \\[tmm-menubar]"))) | |
1997 | ||
1998 | ;; Many users seem to have problems with these. | |
1999 | (insert " | |
c61453ea PJ |
2000 | \(`C-' means use the CTRL key. `M-' means use the Meta (or Alt) key. |
2001 | If you have no Meta key, you may instead type ESC followed by the character.)") | |
2002 | ||
fad930b6 RS |
2003 | ;; Insert links to useful tasks |
2004 | (insert "\nUseful tasks:\n") | |
2005 | ||
2006 | (insert-button "Visit New File" | |
06788a55 | 2007 | 'action (lambda (_button) (call-interactively 'find-file)) |
fad930b6 RS |
2008 | 'follow-link t) |
2009 | (insert "\t\t\t") | |
2010 | (insert-button "Open Home Directory" | |
06788a55 | 2011 | 'action (lambda (_button) (dired "~")) |
fad930b6 RS |
2012 | 'follow-link t) |
2013 | (insert "\n") | |
2014 | ||
2015 | (insert-button "Customize Startup" | |
06788a55 | 2016 | 'action (lambda (_button) (customize-group 'initialization)) |
fad930b6 RS |
2017 | 'follow-link t) |
2018 | (insert "\t\t") | |
2019 | (insert-button "Open *scratch* buffer" | |
06788a55 SM |
2020 | 'action (lambda (_button) (switch-to-buffer |
2021 | (get-buffer-create "*scratch*"))) | |
fad930b6 RS |
2022 | 'follow-link t) |
2023 | (insert "\n") | |
2024 | (insert "\n" (emacs-version) "\n" emacs-copyright "\n") | |
b46a056e GM |
2025 | (insert (substitute-command-keys |
2026 | " | |
cd6ab24f | 2027 | GNU Emacs comes with ABSOLUTELY NO WARRANTY; type \\[describe-no-warranty] for ")) |
b46a056e GM |
2028 | (insert-button "full details" |
2029 | 'action (lambda (_button) (describe-no-warranty)) | |
2030 | 'follow-link t) | |
2031 | (insert (substitute-command-keys ". | |
c61453ea | 2032 | Emacs is Free Software--Free as in Freedom--so you can redistribute copies |
cd6ab24f | 2033 | of Emacs and modify it; type \\[describe-copying] to see ")) |
b46a056e GM |
2034 | (insert-button "the conditions" |
2035 | 'action (lambda (_button) (describe-copying)) | |
2036 | 'follow-link t) | |
2037 | (insert (substitute-command-keys". | |
cd6ab24f | 2038 | Type \\[describe-distribution] for information on ")) |
b46a056e GM |
2039 | (insert-button "getting the latest version" |
2040 | 'action (lambda (_button) (describe-distribution)) | |
2041 | 'follow-link t) | |
2042 | (insert ".")) | |
fad930b6 RS |
2043 | |
2044 | (defun normal-about-screen () | |
2045 | (insert "\n" (emacs-version) "\n" emacs-copyright "\n\n") | |
2046 | ||
2047 | (insert "To follow a link, click Mouse-1 on it, or move to it and type RET.\n\n") | |
2048 | ||
490a1ad6 JL |
2049 | (insert-button "Authors" |
2050 | 'action | |
06788a55 | 2051 | (lambda (_button) |
490a1ad6 JL |
2052 | (view-file (expand-file-name "AUTHORS" data-directory)) |
2053 | (goto-char (point-min))) | |
2054 | 'follow-link t) | |
2055 | (insert "\t\tMany people have contributed code included in GNU Emacs\n") | |
2056 | ||
2057 | (insert-button "Contributing" | |
2058 | 'action | |
06788a55 | 2059 | (lambda (_button) |
490a1ad6 JL |
2060 | (view-file (expand-file-name "CONTRIBUTE" data-directory)) |
2061 | (goto-char (point-min))) | |
2062 | 'follow-link t) | |
2063 | (insert "\tHow to contribute improvements to Emacs\n\n") | |
2064 | ||
fad930b6 | 2065 | (insert-button "GNU and Freedom" |
06788a55 | 2066 | 'action (lambda (_button) (describe-gnu-project)) |
fad930b6 RS |
2067 | 'follow-link t) |
2068 | (insert "\t\tWhy we developed GNU Emacs and the GNU system\n") | |
2069 | ||
2070 | (insert-button "Absence of Warranty" | |
06788a55 | 2071 | 'action (lambda (_button) (describe-no-warranty)) |
fad930b6 RS |
2072 | 'follow-link t) |
2073 | (insert "\tGNU Emacs comes with ABSOLUTELY NO WARRANTY\n") | |
2074 | ||
2075 | (insert-button "Copying Conditions" | |
06788a55 | 2076 | 'action (lambda (_button) (describe-copying)) |
fad930b6 RS |
2077 | 'follow-link t) |
2078 | (insert "\tConditions for redistributing and changing Emacs\n") | |
2079 | ||
2080 | (insert-button "Getting New Versions" | |
06788a55 | 2081 | 'action (lambda (_button) (describe-distribution)) |
fad930b6 RS |
2082 | 'follow-link t) |
2083 | (insert "\tHow to get the latest version of GNU Emacs\n") | |
2084 | ||
2085 | (insert-button "More Manuals / Ordering Manuals" | |
06788a55 | 2086 | 'action (lambda (_button) (view-order-manuals)) |
fad930b6 RS |
2087 | 'follow-link t) |
2088 | (insert "\tBuying printed manuals from the FSF\n")) | |
c61453ea | 2089 | |
2230fa5b | 2090 | (defun startup-echo-area-message () |
b46a056e GM |
2091 | (if (daemonp) |
2092 | "Starting Emacs daemon." | |
2093 | (substitute-command-keys | |
2094 | "For information about GNU Emacs and the GNU system, type \ | |
2095 | \\[about-emacs]."))) | |
ce9ded5d | 2096 | |
49939379 | 2097 | (defun display-startup-echo-area-message () |
15fa6db0 | 2098 | (let ((resize-mini-windows t)) |
8dabbfd6 | 2099 | (or noninteractive ;(input-pending-p) init-file-had-error |
f1be5774 KL |
2100 | ;; t if the init file says to inhibit the echo area startup message. |
2101 | (and inhibit-startup-echo-area-message | |
2102 | user-init-file | |
2103 | (or (and (get 'inhibit-startup-echo-area-message 'saved-value) | |
2104 | (equal inhibit-startup-echo-area-message | |
2105 | (if (equal init-file-user "") | |
2106 | (user-login-name) | |
2107 | init-file-user))) | |
2108 | ;; Wasn't set with custom; see if .emacs has a setq. | |
8dabbfd6 SM |
2109 | (condition-case nil |
2110 | (with-temp-buffer | |
2111 | (insert-file-contents user-init-file) | |
2112 | (re-search-forward | |
2113 | (concat | |
2114 | "([ \t\n]*setq[ \t\n]+" | |
2115 | "inhibit-startup-echo-area-message[ \t\n]+" | |
2116 | (regexp-quote | |
2117 | (prin1-to-string | |
2118 | (if (equal init-file-user "") | |
2119 | (user-login-name) | |
2120 | init-file-user))) | |
2121 | "[ \t\n]*)") | |
2122 | nil t)) | |
2123 | (error nil)))) | |
1d865f15 | 2124 | (message "%s" (startup-echo-area-message))))) |
f645586f | 2125 | |
1cff9ad1 | 2126 | (defun display-startup-screen (&optional concise) |
22a58255 CY |
2127 | "Display startup screen according to display. |
2128 | A fancy display is used on graphic displays, normal otherwise. | |
49939379 | 2129 | |
22a58255 CY |
2130 | If CONCISE is non-nil, display a concise version of the startup |
2131 | screen." | |
526039df | 2132 | ;; Prevent recursive calls from server-process-filter. |
1cff9ad1 | 2133 | (if (not (get-buffer "*GNU Emacs*")) |
526039df | 2134 | (if (use-fancy-splash-screens-p) |
22a58255 | 2135 | (fancy-startup-screen concise) |
79b1c79c | 2136 | (normal-splash-screen t concise)))) |
22a58255 CY |
2137 | |
2138 | (defun display-about-screen () | |
2139 | "Display the *About GNU Emacs* buffer. | |
2140 | A fancy display is used on graphic displays, normal otherwise." | |
2141 | (interactive) | |
6b61353c | 2142 | (if (use-fancy-splash-screens-p) |
1cff9ad1 JL |
2143 | (fancy-about-screen) |
2144 | (normal-splash-screen nil))) | |
c61453ea | 2145 | |
22a58255 | 2146 | (defalias 'about-emacs 'display-about-screen) |
1cff9ad1 | 2147 | (defalias 'display-splash-screen 'display-startup-screen) |
c61453ea | 2148 | |
06788a55 | 2149 | (defun command-line-1 (args-left) |
33da7b16 | 2150 | "A subroutine of `command-line'." |
f1be5774 | 2151 | (display-startup-echo-area-message) |
cb58ea33 RS |
2152 | (when (and pure-space-overflow |
2153 | (not noninteractive)) | |
2154 | (display-warning | |
2155 | 'initialization | |
f2602864 CY |
2156 | "Building Emacs overflowed pure space.\ |
2157 | (See the node Pure Storage in the Lisp manual for details.)" | |
cb58ea33 RS |
2158 | :warning)) |
2159 | ||
22a58255 | 2160 | (let ((file-count 0) |
06788a55 | 2161 | (command-line-args-left args-left) |
22a58255 CY |
2162 | first-file-buffer) |
2163 | (when command-line-args-left | |
2164 | ;; We have command args; process them. | |
06788a55 SM |
2165 | (let ((dir command-line-default-directory) |
2166 | tem | |
22a58255 CY |
2167 | ;; This approach loses for "-batch -L DIR --eval "(require foo)", |
2168 | ;; if foo is intended to be found in DIR. | |
2169 | ;; | |
5ba08a2e GM |
2170 | ;; The directories listed in --directory/-L options will *appear* |
2171 | ;; at the front of `load-path' in the order they appear on the | |
2172 | ;; command-line. We cannot do this by *placing* them at the front | |
2173 | ;; in the order they appear, so we need this variable to hold them, | |
2174 | ;; temporarily. | |
22a58255 CY |
2175 | ;; |
2176 | ;; To DTRT we keep track of the splice point and modify `load-path' | |
2177 | ;; straight away upon any --directory/-L option. | |
2178 | splice | |
2179 | just-files ;; t if this follows the magic -- option. | |
2180 | ;; This includes our standard options' long versions | |
2181 | ;; and long versions of what's on command-switch-alist. | |
2182 | (longopts | |
2aa0e5bf SM |
2183 | (append '("--funcall" "--load" "--insert" "--kill" |
2184 | "--directory" "--eval" "--execute" "--no-splash" | |
2185 | "--find-file" "--visit" "--file" "--no-desktop") | |
2186 | (mapcar (lambda (elt) (concat "-" (car elt))) | |
22a58255 | 2187 | command-switch-alist))) |
06788a55 SM |
2188 | (line 0) |
2189 | (column 0)) | |
22a58255 CY |
2190 | |
2191 | ;; Add the long X options to longopts. | |
4f6cc6b5 GM |
2192 | (dolist (tem command-line-x-option-alist) |
2193 | (if (string-match "^--" (car tem)) | |
2194 | (push (car tem) longopts))) | |
22a58255 | 2195 | |
122e9f8f | 2196 | ;; Add the long NS options to longopts. |
4f6cc6b5 GM |
2197 | (dolist (tem command-line-ns-option-alist) |
2198 | (if (string-match "^--" (car tem)) | |
2199 | (push (list (car tem)) longopts))) | |
edfda783 | 2200 | |
22a58255 CY |
2201 | ;; Loop, processing options. |
2202 | (while command-line-args-left | |
2203 | (let* ((argi (car command-line-args-left)) | |
2204 | (orig-argi argi) | |
2205 | argval completion) | |
2206 | (setq command-line-args-left (cdr command-line-args-left)) | |
2207 | ||
2208 | ;; Do preliminary decoding of the option. | |
2209 | (if just-files | |
2210 | ;; After --, don't look for options; treat all args as files. | |
2211 | (setq argi "") | |
2212 | ;; Convert long options to ordinary options | |
2213 | ;; and separate out an attached option argument into argval. | |
7b704afe | 2214 | (when (string-match "\\`\\(--[^=]*\\)=" argi) |
22a58255 CY |
2215 | (setq argval (substring argi (match-end 0)) |
2216 | argi (match-string 1 argi))) | |
ce3a988d | 2217 | (when (string-match "\\`--?[^-]" orig-argi) |
7b704afe AS |
2218 | (setq completion (try-completion argi longopts)) |
2219 | (if (eq completion t) | |
2220 | (setq argi (substring argi 1)) | |
2221 | (if (stringp completion) | |
2aa0e5bf | 2222 | (let ((elt (member completion longopts))) |
7b704afe AS |
2223 | (or elt |
2224 | (error "Option `%s' is ambiguous" argi)) | |
2225 | (setq argi (substring (car elt) 1))) | |
2226 | (setq argval nil | |
2227 | argi orig-argi))))) | |
22a58255 CY |
2228 | |
2229 | ;; Execute the option. | |
06788a55 | 2230 | (cond ((setq tem (assoc argi command-switch-alist)) |
22a58255 CY |
2231 | (if argval |
2232 | (let ((command-line-args-left | |
2233 | (cons argval command-line-args-left))) | |
06788a55 SM |
2234 | (funcall (cdr tem) argi)) |
2235 | (funcall (cdr tem) argi))) | |
22a58255 CY |
2236 | |
2237 | ((equal argi "-no-splash") | |
1cff9ad1 | 2238 | (setq inhibit-startup-screen t)) |
22a58255 CY |
2239 | |
2240 | ((member argi '("-f" ; what the manual claims | |
2241 | "-funcall" | |
2242 | "-e")) ; what the source used to say | |
1cff9ad1 | 2243 | (setq inhibit-startup-screen t) |
06788a55 SM |
2244 | (setq tem (intern (or argval (pop command-line-args-left)))) |
2245 | (if (commandp tem) | |
2246 | (command-execute tem) | |
2247 | (funcall tem))) | |
22a58255 CY |
2248 | |
2249 | ((member argi '("-eval" "-execute")) | |
1cff9ad1 | 2250 | (setq inhibit-startup-screen t) |
22a58255 CY |
2251 | (eval (read (or argval (pop command-line-args-left))))) |
2252 | ||
2253 | ((member argi '("-L" "-directory")) | |
a0833f62 GM |
2254 | ;; -L :/foo adds /foo to the _end_ of load-path. |
2255 | (let (append) | |
2256 | (if (string-match-p | |
2df10228 | 2257 | (format "\\`%s" path-separator) |
a0833f62 GM |
2258 | (setq tem (or argval (pop command-line-args-left)))) |
2259 | (setq tem (substring tem 1) | |
2260 | append t)) | |
2261 | (setq tem (expand-file-name | |
2262 | (command-line-normalize-file-name tem))) | |
2263 | (cond (append (setq load-path | |
2264 | (append load-path (list tem))) | |
2265 | (if splice (setq splice load-path))) | |
2266 | (splice (setcdr splice (cons tem (cdr splice))) | |
2267 | (setq splice (cdr splice))) | |
2268 | (t (setq load-path (cons tem load-path) | |
2269 | splice load-path))))) | |
22a58255 CY |
2270 | |
2271 | ((member argi '("-l" "-load")) | |
2272 | (let* ((file (command-line-normalize-file-name | |
2273 | (or argval (pop command-line-args-left)))) | |
2274 | ;; Take file from default dir if it exists there; | |
2275 | ;; otherwise let `load' search for it. | |
2276 | (file-ex (expand-file-name file))) | |
2277 | (when (file-exists-p file-ex) | |
2278 | (setq file file-ex)) | |
2279 | (load file nil t))) | |
2280 | ||
2281 | ;; This is used to handle -script. It's not clear | |
f71d844b | 2282 | ;; we need to document it (it is totally internal). |
1d1100d7 | 2283 | ((member argi '("-scriptload")) |
22a58255 CY |
2284 | (let* ((file (command-line-normalize-file-name |
2285 | (or argval (pop command-line-args-left)))) | |
2286 | ;; Take file from default dir. | |
2287 | (file-ex (expand-file-name file))) | |
2288 | (load file-ex nil t t))) | |
2289 | ||
2290 | ((equal argi "-insert") | |
1cff9ad1 | 2291 | (setq inhibit-startup-screen t) |
06788a55 SM |
2292 | (setq tem (or argval (pop command-line-args-left))) |
2293 | (or (stringp tem) | |
22a58255 | 2294 | (error "File name omitted from `-insert' option")) |
06788a55 | 2295 | (insert-file-contents (command-line-normalize-file-name tem))) |
22a58255 CY |
2296 | |
2297 | ((equal argi "-kill") | |
2298 | (kill-emacs t)) | |
2299 | ||
2300 | ;; This is for when they use --no-desktop with -q, or | |
2301 | ;; don't load Desktop in their .emacs. If desktop.el | |
2302 | ;; _is_ loaded, it will handle this switch, and we | |
2303 | ;; won't see it by the time we get here. | |
2304 | ((equal argi "-no-desktop") | |
2305 | (message "\"--no-desktop\" ignored because the Desktop package is not loaded")) | |
2306 | ||
2307 | ((string-match "^\\+[0-9]+\\'" argi) | |
06788a55 | 2308 | (setq line (string-to-number argi))) |
22a58255 CY |
2309 | |
2310 | ((string-match "^\\+\\([0-9]+\\):\\([0-9]+\\)\\'" argi) | |
06788a55 SM |
2311 | (setq line (string-to-number (match-string 1 argi)) |
2312 | column (string-to-number (match-string 2 argi)))) | |
22a58255 | 2313 | |
06788a55 | 2314 | ((setq tem (assoc orig-argi command-line-x-option-alist)) |
22a58255 CY |
2315 | ;; Ignore X-windows options and their args if not using X. |
2316 | (setq command-line-args-left | |
06788a55 | 2317 | (nthcdr (nth 1 tem) command-line-args-left))) |
22a58255 | 2318 | |
06788a55 | 2319 | ((setq tem (assoc orig-argi command-line-ns-option-alist)) |
3000e3f4 DN |
2320 | ;; Ignore NS-windows options and their args if not using NS. |
2321 | (setq command-line-args-left | |
06788a55 | 2322 | (nthcdr (nth 1 tem) command-line-args-left))) |
edfda783 | 2323 | |
22a58255 | 2324 | ((member argi '("-find-file" "-file" "-visit")) |
1cff9ad1 | 2325 | (setq inhibit-startup-screen t) |
22a58255 | 2326 | ;; An explicit option to specify visiting a file. |
06788a55 SM |
2327 | (setq tem (or argval (pop command-line-args-left))) |
2328 | (unless (stringp tem) | |
22a58255 CY |
2329 | (error "File name omitted from `%s' option" argi)) |
2330 | (setq file-count (1+ file-count)) | |
2331 | (let ((file (expand-file-name | |
06788a55 SM |
2332 | (command-line-normalize-file-name tem) |
2333 | dir))) | |
22a58255 CY |
2334 | (if (= file-count 1) |
2335 | (setq first-file-buffer (find-file file)) | |
2336 | (find-file-other-window file))) | |
06788a55 | 2337 | (unless (zerop line) |
e6ce8c42 | 2338 | (goto-char (point-min)) |
06788a55 SM |
2339 | (forward-line (1- line))) |
2340 | (setq line 0) | |
2341 | (unless (< column 1) | |
2342 | (move-to-column (1- column))) | |
2343 | (setq column 0)) | |
22a58255 | 2344 | |
198a7a97 CY |
2345 | ;; These command lines now have no effect. |
2346 | ((string-match "\\`--?\\(no-\\)?\\(uni\\|multi\\)byte$" argi) | |
2347 | (display-warning 'initialization | |
2348 | (format "Ignoring obsolete arg %s" argi))) | |
2349 | ||
22a58255 CY |
2350 | ((equal argi "--") |
2351 | (setq just-files t)) | |
2352 | (t | |
2353 | ;; We have almost exhausted our options. See if the | |
2354 | ;; user has made any other command-line options available | |
2355 | (let ((hooks command-line-functions) | |
2356 | (did-hook nil)) | |
2357 | (while (and hooks | |
2358 | (not (setq did-hook (funcall (car hooks))))) | |
2359 | (setq hooks (cdr hooks))) | |
2360 | (if (not did-hook) | |
2361 | ;; Presume that the argument is a file name. | |
2362 | (progn | |
2363 | (if (string-match "\\`-" argi) | |
2364 | (error "Unknown option `%s'" argi)) | |
1cff9ad1 JL |
2365 | (unless initial-window-system |
2366 | (setq inhibit-startup-screen t)) | |
22a58255 CY |
2367 | (setq file-count (1+ file-count)) |
2368 | (let ((file | |
2369 | (expand-file-name | |
2370 | (command-line-normalize-file-name orig-argi) | |
06788a55 | 2371 | dir))) |
3d9d55e6 CY |
2372 | (cond ((= file-count 1) |
2373 | (setq first-file-buffer (find-file file))) | |
2374 | (inhibit-startup-screen | |
2375 | (find-file-other-window file)) | |
2376 | (t (find-file file)))) | |
06788a55 | 2377 | (unless (zerop line) |
e6ce8c42 | 2378 | (goto-char (point-min)) |
06788a55 SM |
2379 | (forward-line (1- line))) |
2380 | (setq line 0) | |
2381 | (unless (< column 1) | |
2382 | (move-to-column (1- column))) | |
2383 | (setq column 0)))))) | |
22a58255 CY |
2384 | ;; In unusual circumstances, the execution of Lisp code due |
2385 | ;; to command-line options can cause the last visible frame | |
2386 | ;; to be deleted. In this case, kill emacs to avoid an | |
2387 | ;; abort later. | |
2388 | (unless (frame-live-p (selected-frame)) (kill-emacs nil)))))) | |
2389 | ||
199e4c7e MR |
2390 | (when (eq initial-buffer-choice t) |
2391 | ;; When initial-buffer-choice equals t make sure that *scratch* | |
2392 | ;; exists. | |
2393 | (get-buffer-create "*scratch*")) | |
22a58255 | 2394 | |
8d86c6da | 2395 | ;; If *scratch* exists and is empty, insert initial-scratch-message. |
199e4c7e | 2396 | ;; Do this before switching to *scratch* below to handle bug#9605. |
8d86c6da JL |
2397 | (and initial-scratch-message |
2398 | (get-buffer "*scratch*") | |
2399 | (with-current-buffer "*scratch*" | |
2400 | (when (zerop (buffer-size)) | |
199e4c7e | 2401 | (insert initial-scratch-message) |
8d86c6da JL |
2402 | (set-buffer-modified-p nil)))) |
2403 | ||
199e4c7e | 2404 | (when initial-buffer-choice |
dc646358 CK |
2405 | (let ((buf |
2406 | (cond ((stringp initial-buffer-choice) | |
2407 | (find-file-noselect initial-buffer-choice)) | |
2408 | ((functionp initial-buffer-choice) | |
2409 | (funcall initial-buffer-choice))))) | |
2410 | (switch-to-buffer | |
2411 | (if (buffer-live-p buf) buf (get-buffer-create "*scratch*")) | |
2412 | 'norecord))) | |
199e4c7e | 2413 | |
1cff9ad1 | 2414 | (if (or inhibit-startup-screen |
22a58255 CY |
2415 | initial-buffer-choice |
2416 | noninteractive | |
ede141ac | 2417 | (daemonp) |
8686ac71 | 2418 | inhibit-x-resources) |
22a58255 CY |
2419 | |
2420 | ;; Not displaying a startup screen. If 3 or more files | |
2421 | ;; visited, and not all visible, show user what they all are. | |
2422 | (and (> file-count 2) | |
2423 | (not noninteractive) | |
2424 | (not inhibit-startup-buffer-menu) | |
2425 | (or (get-buffer-window first-file-buffer) | |
2426 | (list-buffers))) | |
2427 | ||
2428 | ;; Display a startup screen, after some preparations. | |
2429 | ||
2430 | ;; If there are no switches to process, we might as well | |
2431 | ;; run this hook now, and there may be some need to do it | |
2432 | ;; before doing any output. | |
862a4e4a | 2433 | (run-hooks 'emacs-startup-hook 'term-setup-hook) |
22a58255 CY |
2434 | |
2435 | ;; It's important to notice the user settings before we | |
2436 | ;; display the startup message; otherwise, the settings | |
2437 | ;; won't take effect until the user gives the first | |
2438 | ;; keystroke, and that's distracting. | |
2439 | (when (fboundp 'frame-notice-user-settings) | |
2440 | (frame-notice-user-settings)) | |
2441 | ||
2442 | ;; If there are no switches to process, we might as well | |
2443 | ;; run this hook now, and there may be some need to do it | |
2444 | ;; before doing any output. | |
862a4e4a GM |
2445 | (run-hooks 'window-setup-hook) |
2446 | ||
2447 | (setq inhibit-startup-hooks t) | |
22a58255 | 2448 | |
04ef2618 CY |
2449 | ;; ;; Do this now to avoid an annoying delay if the user |
2450 | ;; ;; clicks the menu bar during the sit-for. | |
2451 | ;; (when (display-popup-menus-p) | |
2452 | ;; (precompute-menubar-bindings)) | |
2453 | ;; (with-no-warnings | |
2454 | ;; (setq menubar-bindings-done t)) | |
22a58255 | 2455 | |
ede141ac | 2456 | (display-startup-screen (> file-count 0))))) |
49939379 | 2457 | |
47c7adae RS |
2458 | (defun command-line-normalize-file-name (file) |
2459 | "Collapse multiple slashes to one, to handle non-Emacs file names." | |
6b9e794f RS |
2460 | (save-match-data |
2461 | ;; Use arg 1 so that we don't collapse // at the start of the file name. | |
2462 | ;; That is significant on some systems. | |
2463 | ;; However, /// at the beginning is supposed to mean just /, not //. | |
98e775e6 EZ |
2464 | (if (string-match |
2465 | (if (memq system-type '(ms-dos windows-nt)) | |
2466 | "^\\([\\/][\\/][\\/]\\)+" | |
2467 | "^///+") | |
2468 | file) | |
6b9e794f | 2469 | (setq file (replace-match "/" t t file))) |
98e775e6 EZ |
2470 | (if (memq system-type '(ms-dos windows-nt)) |
2471 | (while (string-match "\\([\\/][\\/]\\)+" file 1) | |
2472 | (setq file (replace-match "/" t t file))) | |
2473 | (while (string-match "//+" file 1) | |
2474 | (setq file (replace-match "/" t t file)))) | |
6b9e794f | 2475 | file)) |
47c7adae | 2476 | |
c88ab9ce | 2477 | ;;; startup.el ends here |