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06788a55 | 1 | ;;; startup.el --- process Emacs shell arguments -*- lexical-binding: t -*- |
c88ab9ce | 2 | |
acaf905b | 3 | ;; Copyright (C) 1985-1986, 1992, 1994-2012 Free Software Foundation, Inc. |
eea8d4ef | 4 | |
630cc463 | 5 | ;; Maintainer: FSF |
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 |
71bd2d79 | 44 | startup screen. If the value is a string, visit the specified file |
0f04b32c | 45 | or directory using `find-file'. If t, open the `*scratch*' |
621ef9ab | 46 | buffer." |
26cdce23 | 47 | :type '(choice |
490a1ad6 | 48 | (const :tag "Startup screen" nil) |
26cdce23 | 49 | (directory :tag "Directory" :value "~/") |
85b84319 | 50 | (file :tag "File" :value "~/.emacs") |
621ef9ab | 51 | (const :tag "Lisp scratch buffer" t)) |
26cdce23 JL |
52 | :version "23.1" |
53 | :group 'initialization) | |
42a3e6fa | 54 | |
490a1ad6 | 55 | (defcustom inhibit-startup-screen nil |
249d9683 | 56 | "Non-nil inhibits the startup screen. |
249d9683 | 57 | |
eeaa563e JB |
58 | This is for use in your personal init file (but NOT site-start.el), |
59 | once you are familiar with the contents of the startup screen." | |
42a3e6fa RS |
60 | :type 'boolean |
61 | :group 'initialization) | |
a726e0d1 | 62 | |
490a1ad6 JL |
63 | (defvaralias 'inhibit-splash-screen 'inhibit-startup-screen) |
64 | (defvaralias 'inhibit-startup-message 'inhibit-startup-screen) | |
1b207153 | 65 | |
22a58255 | 66 | (defvar startup-screen-inhibit-startup-screen nil) |
1b207153 | 67 | |
33da7b16 GM |
68 | ;; FIXME? Why does this get such weirdly extreme treatment, when the |
69 | ;; more important inhibit-startup-screen does not. | |
42a3e6fa | 70 | (defcustom inhibit-startup-echo-area-message nil |
ea6c930a | 71 | "Non-nil inhibits the initial startup echo area message. |
42a3e6fa RS |
72 | Setting this variable takes effect |
73 | only if you do it with the customization buffer | |
865fe16f | 74 | or if your init file contains a line of this form: |
54a003f7 | 75 | (setq inhibit-startup-echo-area-message \"YOUR-USER-NAME\") |
865fe16f CY |
76 | If your init file is byte-compiled, use the following form |
77 | instead: | |
e5575c06 | 78 | (eval '(setq inhibit-startup-echo-area-message \"YOUR-USER-NAME\")) |
865fe16f CY |
79 | Thus, someone else using a copy of your init file will see the |
80 | startup message unless he personally acts to inhibit it." | |
42a3e6fa RS |
81 | :type '(choice (const :tag "Don't inhibit") |
82 | (string :tag "Enter your user name, to inhibit")) | |
83 | :group 'initialization) | |
1d7da582 | 84 | |
42a3e6fa | 85 | (defcustom inhibit-default-init nil |
ea6c930a | 86 | "Non-nil inhibits loading the `default' library." |
42a3e6fa RS |
87 | :type 'boolean |
88 | :group 'initialization) | |
a726e0d1 | 89 | |
802a980a | 90 | (defcustom inhibit-startup-buffer-menu nil |
ea6c930a | 91 | "Non-nil inhibits display of buffer list when more than 2 files are loaded." |
802a980a GM |
92 | :type 'boolean |
93 | :group 'initialization) | |
94 | ||
d7fa5aa2 | 95 | (defvar command-switch-alist nil |
a726e0d1 JB |
96 | "Alist of command-line switches. |
97 | Elements look like (SWITCH-STRING . HANDLER-FUNCTION). | |
6b61353c KH |
98 | HANDLER-FUNCTION receives the switch string as its sole argument; |
99 | the remaining command-line args are in the variable `command-line-args-left'.") | |
a726e0d1 | 100 | |
860befc8 RS |
101 | (defvar command-line-args-left nil |
102 | "List of command-line args not yet processed.") | |
103 | ||
aa5310e4 DK |
104 | (defvaralias 'argv 'command-line-args-left |
105 | "List of command-line args not yet processed. | |
106 | This is a convenience alias, so that one can write \(pop argv\) | |
107 | inside of --eval command line arguments in order to access | |
108 | following arguments.") | |
513749ee | 109 | (internal-make-var-non-special 'argv) |
aa5310e4 | 110 | |
513749ee SM |
111 | (defvar argi nil |
112 | "Current command-line argument.") | |
113 | (internal-make-var-non-special 'argi) | |
62f1ca49 | 114 | |
a726e0d1 JB |
115 | (defvar command-line-functions nil ;; lrs 7/31/89 |
116 | "List of functions to process unrecognized command-line arguments. | |
117 | Each function should access the dynamically bound variables | |
b4484ea8 | 118 | `argi' (the current argument) and `command-line-args-left' (the remaining |
a726e0d1 | 119 | arguments). The function should return non-nil only if it recognizes and |
b4484ea8 RS |
120 | processes `argi'. If it does so, it may consume successive arguments by |
121 | altering `command-line-args-left' to remove them.") | |
a726e0d1 | 122 | |
09a1077c RS |
123 | (defvar command-line-default-directory nil |
124 | "Default directory to use for command line arguments. | |
125 | This is normally copied from `default-directory' when Emacs starts.") | |
126 | ||
36cec983 SM |
127 | ;; This is here, rather than in x-win.el, so that we can ignore these |
128 | ;; options when we are not using X. | |
46cfd295 | 129 | (defconst command-line-x-option-alist |
b3afdeb8 RS |
130 | '(("-bw" 1 x-handle-numeric-switch border-width) |
131 | ("-d" 1 x-handle-display) | |
132 | ("-display" 1 x-handle-display) | |
5676ab57 | 133 | ("-name" 1 x-handle-name-switch) |
2c3fef40 RS |
134 | ("-title" 1 x-handle-switch title) |
135 | ("-T" 1 x-handle-switch title) | |
b3afdeb8 RS |
136 | ("-r" 0 x-handle-switch reverse t) |
137 | ("-rv" 0 x-handle-switch reverse t) | |
138 | ("-reverse" 0 x-handle-switch reverse t) | |
139 | ("-reverse-video" 0 x-handle-switch reverse t) | |
140 | ("-fn" 1 x-handle-switch font) | |
141 | ("-font" 1 x-handle-switch font) | |
188b6a5e EZ |
142 | ("-fs" 0 x-handle-initial-switch fullscreen fullboth) |
143 | ("-fw" 0 x-handle-initial-switch fullscreen fullwidth) | |
144 | ("-fh" 0 x-handle-initial-switch fullscreen fullheight) | |
3f1c6666 | 145 | ("-mm" 0 x-handle-initial-switch fullscreen maximized) |
b3afdeb8 | 146 | ("-ib" 1 x-handle-numeric-switch internal-border-width) |
1f7f78f1 | 147 | ("-g" 1 x-handle-geometry) |
9ff6bda1 | 148 | ("-lsp" 1 x-handle-numeric-switch line-spacing) |
1f7f78f1 | 149 | ("-geometry" 1 x-handle-geometry) |
b3afdeb8 RS |
150 | ("-fg" 1 x-handle-switch foreground-color) |
151 | ("-foreground" 1 x-handle-switch foreground-color) | |
152 | ("-bg" 1 x-handle-switch background-color) | |
153 | ("-background" 1 x-handle-switch background-color) | |
154 | ("-ms" 1 x-handle-switch mouse-color) | |
c755acf3 | 155 | ("-nbi" 0 x-handle-switch icon-type nil) |
b3afdeb8 RS |
156 | ("-iconic" 0 x-handle-iconic) |
157 | ("-xrm" 1 x-handle-xrm-switch) | |
158 | ("-cr" 1 x-handle-switch cursor-color) | |
159 | ("-vb" 0 x-handle-switch vertical-scroll-bars t) | |
160 | ("-hb" 0 x-handle-switch horizontal-scroll-bars t) | |
161 | ("-bd" 1 x-handle-switch) | |
162 | ("--border-width" 1 x-handle-numeric-switch border-width) | |
163 | ("--display" 1 x-handle-display) | |
5676ab57 | 164 | ("--name" 1 x-handle-name-switch) |
7775acb8 | 165 | ("--title" 1 x-handle-switch title) |
b3afdeb8 RS |
166 | ("--reverse-video" 0 x-handle-switch reverse t) |
167 | ("--font" 1 x-handle-switch font) | |
188b6a5e EZ |
168 | ("--fullscreen" 0 x-handle-initial-switch fullscreen fullboth) |
169 | ("--fullwidth" 0 x-handle-initial-switch fullscreen fullwidth) | |
170 | ("--fullheight" 0 x-handle-initial-switch fullscreen fullheight) | |
3f1c6666 | 171 | ("--maximized" 0 x-handle-initial-switch fullscreen maximized) |
b3afdeb8 | 172 | ("--internal-border" 1 x-handle-numeric-switch internal-border-width) |
1f7f78f1 | 173 | ("--geometry" 1 x-handle-geometry) |
b3afdeb8 RS |
174 | ("--foreground-color" 1 x-handle-switch foreground-color) |
175 | ("--background-color" 1 x-handle-switch background-color) | |
176 | ("--mouse-color" 1 x-handle-switch mouse-color) | |
bb1f0f78 | 177 | ("--no-bitmap-icon" 0 x-handle-no-bitmap-icon) |
b3afdeb8 RS |
178 | ("--iconic" 0 x-handle-iconic) |
179 | ("--xrm" 1 x-handle-xrm-switch) | |
180 | ("--cursor-color" 1 x-handle-switch cursor-color) | |
181 | ("--vertical-scroll-bars" 0 x-handle-switch vertical-scroll-bars t) | |
9ff6bda1 | 182 | ("--line-spacing" 1 x-handle-numeric-switch line-spacing) |
7f944e8e | 183 | ("--border-color" 1 x-handle-switch border-color) |
c434f203 JD |
184 | ("--smid" 1 x-handle-smid) |
185 | ("--parent-id" 1 x-handle-parent-id)) | |
b3afdeb8 RS |
186 | "Alist of X Windows options. |
187 | Each element has the form | |
188 | (NAME NUMARGS HANDLER FRAME-PARAM VALUE) | |
189 | where NAME is the option name string, NUMARGS is the number of arguments | |
190 | that the option accepts, HANDLER is a function to call to handle the option. | |
191 | FRAME-PARAM (optional) is the frame parameter this option specifies, | |
192 | and VALUE is the value which is given to that frame parameter | |
193 | \(most options use the argument for this, so VALUE is not present).") | |
194 | ||
edfda783 AR |
195 | (defconst command-line-ns-option-alist |
196 | '(("-NSAutoLaunch" 1 ns-ignore-1-arg) | |
197 | ("-NXAutoLaunch" 1 ns-ignore-1-arg) | |
55e8d9a5 | 198 | ("-macosx" 0 ignore) |
edfda783 AR |
199 | ("-NSHost" 1 ns-ignore-1-arg) |
200 | ("-_NSMachLaunch" 1 ns-ignore-1-arg) | |
201 | ("-MachLaunch" 1 ns-ignore-1-arg) | |
202 | ("-NXOpen" 1 ns-ignore-1-arg) | |
203 | ("-NSOpen" 1 ns-handle-nxopen) | |
204 | ("-NXOpenTemp" 1 ns-ignore-1-arg) | |
205 | ("-NSOpenTemp" 1 ns-handle-nxopentemp) | |
206 | ("-GSFilePath" 1 ns-handle-nxopen) | |
207 | ;;("-bw" . x-handle-numeric-switch) | |
208 | ;;("-d" . x-handle-display) | |
209 | ;;("-display" . x-handle-display) | |
d7d8c62a GM |
210 | ("-name" 1 x-handle-name-switch) |
211 | ("-title" 1 x-handle-switch title) | |
212 | ("-T" 1 x-handle-switch title) | |
213 | ("-r" 0 x-handle-switch reverse t) | |
214 | ("-rv" 0 x-handle-switch reverse t) | |
215 | ("-reverse" 0 x-handle-switch reverse t) | |
216 | ("-fn" 1 x-handle-switch font) | |
217 | ("-font" 1 x-handle-switch font) | |
218 | ("-ib" 1 x-handle-numeric-switch internal-border-width) | |
edfda783 AR |
219 | ;;("-g" . x-handle-geometry) |
220 | ;;("-geometry" . x-handle-geometry) | |
d7d8c62a GM |
221 | ("-fg" 1 x-handle-switch foreground-color) |
222 | ("-foreground" 1 x-handle-switch foreground-color) | |
223 | ("-bg" 1 x-handle-switch background-color) | |
224 | ("-background" 1 x-handle-switch background-color) | |
225 | ; ("-ms" 1 x-handle-switch mouse-color) | |
226 | ("-itype" 0 x-handle-switch icon-type t) | |
227 | ("-i" 0 x-handle-switch icon-type t) | |
228 | ("-iconic" 0 x-handle-iconic icon-type t) | |
edfda783 | 229 | ;;("-xrm" . x-handle-xrm-switch) |
d7d8c62a GM |
230 | ("-cr" 1 x-handle-switch cursor-color) |
231 | ("-vb" 0 x-handle-switch vertical-scroll-bars t) | |
232 | ("-hb" 0 x-handle-switch horizontal-scroll-bars t) | |
233 | ("-bd" 1 x-handle-switch) | |
234 | ;; ("--border-width" 1 x-handle-numeric-switch border-width) | |
edfda783 | 235 | ;; ("--display" 1 ns-handle-display) |
d7d8c62a GM |
236 | ("--name" 1 x-handle-name-switch) |
237 | ("--title" 1 x-handle-switch title) | |
238 | ("--reverse-video" 0 x-handle-switch reverse t) | |
239 | ("--font" 1 x-handle-switch font) | |
240 | ("--internal-border" 1 x-handle-numeric-switch internal-border-width) | |
edfda783 | 241 | ;; ("--geometry" 1 ns-handle-geometry) |
d7d8c62a GM |
242 | ("--foreground-color" 1 x-handle-switch foreground-color) |
243 | ("--background-color" 1 x-handle-switch background-color) | |
244 | ("--mouse-color" 1 x-handle-switch mouse-color) | |
245 | ("--icon-type" 0 x-handle-switch icon-type t) | |
246 | ("--iconic" 0 x-handle-iconic) | |
edfda783 | 247 | ;; ("--xrm" 1 ns-handle-xrm-switch) |
d7d8c62a GM |
248 | ("--cursor-color" 1 x-handle-switch cursor-color) |
249 | ("--vertical-scroll-bars" 0 x-handle-switch vertical-scroll-bars t) | |
250 | ("--border-color" 1 x-handle-switch border-width)) | |
edfda783 AR |
251 | "Alist of NS options. |
252 | Each element has the form | |
253 | (NAME NUMARGS HANDLER FRAME-PARAM VALUE) | |
254 | where NAME is the option name string, NUMARGS is the number of arguments | |
255 | that the option accepts, HANDLER is a function to call to handle the option. | |
256 | FRAME-PARAM (optional) is the frame parameter this option specifies, | |
257 | and VALUE is the value which is given to that frame parameter | |
258 | \(most options use the argument for this, so VALUE is not present).") | |
259 | ||
260 | ||
e3bd99f5 | 261 | (defvar before-init-hook nil |
db3f571a | 262 | "Normal hook run after handling urgent options but before loading init files.") |
3fc958a4 | 263 | |
e3bd99f5 | 264 | (defvar after-init-hook nil |
865fe16f CY |
265 | "Normal hook run after initializing the Emacs session. |
266 | It is run after Emacs loads the init file, `default' library, the | |
267 | abbrevs file, and additional Lisp packages (if any), and setting | |
268 | the value of `after-init-time'. | |
269 | ||
270 | There is no `condition-case' around the running of this hook; | |
271 | therefore, if `debug-on-error' is non-nil, an error in one of | |
272 | these functions will invoke the debugger.") | |
db3f571a KH |
273 | |
274 | (defvar emacs-startup-hook nil | |
275 | "Normal hook run after loading init files and handling the command line.") | |
e3bd99f5 | 276 | |
a726e0d1 | 277 | (defvar term-setup-hook nil |
db3f571a KH |
278 | "Normal hook run after loading terminal-specific Lisp code. |
279 | It also follows `emacs-startup-hook'. This hook exists for users to set, | |
a726e0d1 JB |
280 | so as to override the definitions made by the terminal-specific file. |
281 | Emacs never sets this variable itself.") | |
282 | ||
deebb0e9 RS |
283 | (defvar inhibit-startup-hooks nil |
284 | "Non-nil means don't run `term-setup-hook' and `emacs-startup-hook'. | |
285 | This is because we already did so.") | |
286 | ||
a726e0d1 | 287 | (defvar keyboard-type nil |
b4484ea8 | 288 | "The brand of keyboard you are using. |
9ab281f0 JB |
289 | This variable is used to define the proper function and keypad |
290 | keys for use under X. It is used in a fashion analogous to the | |
291 | environment variable TERM.") | |
a726e0d1 JB |
292 | |
293 | (defvar window-setup-hook nil | |
b4484ea8 RS |
294 | "Normal hook run to initialize window system display. |
295 | Emacs runs this hook after processing the command line arguments and loading | |
296 | the user's init file.") | |
a726e0d1 | 297 | |
42a3e6fa | 298 | (defcustom initial-major-mode 'lisp-interaction-mode |
ab863ac2 | 299 | "Major mode command symbol to use for the initial `*scratch*' buffer." |
ce2f921e | 300 | :type 'function |
42a3e6fa | 301 | :group 'initialization) |
a726e0d1 | 302 | |
ecbff273 | 303 | (defvar init-file-user nil |
865fe16f | 304 | "Identity of user whose init file is or was read. |
d7fa5aa2 RS |
305 | The value is nil if `-q' or `--no-init-file' was specified, |
306 | meaning do not load any init file. | |
307 | ||
d3a81eee EZ |
308 | Otherwise, the value may be an empty string, meaning |
309 | use the init file for the user who originally logged in, | |
310 | or it may be a string containing a user's name meaning | |
311 | use that person's init file. | |
a726e0d1 | 312 | |
2bdfaa42 | 313 | In either of the latter cases, `(concat \"~\" init-file-user \"/\")' |
865fe16f | 314 | evaluates to the name of the directory where the init file was |
13fce4e6 RS |
315 | looked for. |
316 | ||
317 | Setting `init-file-user' does not prevent Emacs from loading | |
ecbff273 | 318 | `site-start.el'. The only way to do that is to use `--no-site-file'.") |
a726e0d1 | 319 | |
1e8780b1 | 320 | (defcustom site-run-file (purecopy "site-start") |
b7444d31 RS |
321 | "File containing site-wide run-time initializations. |
322 | This file is loaded at run-time before `~/.emacs'. It contains inits | |
323 | that need to be in place for the entire site, but which, due to their | |
fcaf7de9 | 324 | higher incidence of change, don't make sense to load into Emacs's |
b7444d31 | 325 | dumped image. Thus, the run-time load order is: 1. file described in |
13fce4e6 RS |
326 | this variable, if non-nil; 2. `~/.emacs'; 3. `default.el'. |
327 | ||
328 | Don't use the `site-start.el' file for things some users may not like. | |
329 | Put them in `default.el' instead, so that users can more easily | |
330 | override them. Users can prevent loading `default.el' with the `-q' | |
331 | option or by setting `inhibit-default-init' in their own init files, | |
332 | but inhibiting `site-start.el' requires `--no-site-file', which | |
842a1eac RS |
333 | is less convenient. |
334 | ||
335 | This variable is defined for customization so as to make | |
336 | it visible in the relevant context. However, actually customizing it | |
337 | is not allowed, since it would not work anyway. The only way to set | |
9ab281f0 | 338 | this variable usefully is to set it while building and dumping Emacs." |
93812130 | 339 | :type '(choice (const :tag "none" nil) string) |
842a1eac RS |
340 | :group 'initialization |
341 | :initialize 'custom-initialize-default | |
06788a55 | 342 | :set (lambda (_variable _value) |
842a1eac | 343 | (error "Customizing `site-run-file' does not work"))) |
b7444d31 | 344 | |
42a3e6fa | 345 | (defcustom mail-host-address nil |
b4fa35fa GM |
346 | "Name of this machine, for purposes of naming users. |
347 | If non-nil, Emacs uses this instead of `system-name' when constructing | |
348 | email addresses." | |
42a3e6fa RS |
349 | :type '(choice (const nil) string) |
350 | :group 'mail) | |
c13fbb62 | 351 | |
680ebfa6 | 352 | (defcustom user-mail-address (if command-line-processed |
cee0c996 EZ |
353 | (or (getenv "EMAIL") |
354 | (concat (user-login-name) "@" | |
355 | (or mail-host-address | |
356 | (system-name)))) | |
680ebfa6 RS |
357 | ;; Empty string means "not set yet". |
358 | "") | |
ea6c930a | 359 | "Full mailing address of this user. |
cee0c996 | 360 | This is initialized with environment variable `EMAIL' or, as a |
eeaa563e | 361 | fallback, using `mail-host-address'. This is done after your |
cee0c996 | 362 | init file is read, in case it sets `mail-host-address'." |
42a3e6fa RS |
363 | :type 'string |
364 | :group 'mail) | |
c10d1f06 | 365 | |
42a3e6fa | 366 | (defcustom auto-save-list-file-prefix |
73f13e5a GM |
367 | (cond ((eq system-type 'ms-dos) |
368 | ;; MS-DOS cannot have initial dot, and allows only 8.3 names | |
945a0a0c | 369 | (concat user-emacs-directory "auto-save.list/_s")) |
73f13e5a | 370 | (t |
945a0a0c | 371 | (concat user-emacs-directory "auto-save-list/.saves-"))) |
cdee38c3 | 372 | "Prefix for generating `auto-save-list-file-name'. |
865fe16f | 373 | This is used after reading your init file to initialize |
cdee38c3 KH |
374 | `auto-save-list-file-name', by appending Emacs's pid and the system name, |
375 | if you have not already set `auto-save-list-file-name' yourself. | |
73f13e5a | 376 | Directories in the prefix will be created if necessary. |
cdee38c3 | 377 | Set this to nil if you want to prevent `auto-save-list-file-name' |
42a3e6fa | 378 | from being initialized." |
3671f444 KH |
379 | :type '(choice (const :tag "Don't record a session's auto save list" nil) |
380 | string) | |
42a3e6fa | 381 | :group 'auto-save) |
2e05d063 | 382 | |
dc58296d RS |
383 | (defvar emacs-basic-display nil) |
384 | ||
a726e0d1 JB |
385 | (defvar init-file-debug nil) |
386 | ||
5b309ebf RS |
387 | (defvar init-file-had-error nil |
388 | "Non-nil if there was an error loading the user's init file.") | |
52320897 | 389 | |
95eada65 RS |
390 | (defvar normal-top-level-add-subdirs-inode-list nil) |
391 | ||
178b4542 JL |
392 | (defvar no-blinking-cursor nil) |
393 | ||
0a480f3d RS |
394 | (defvar default-frame-background-mode) |
395 | ||
b693e375 RS |
396 | (defvar pure-space-overflow nil |
397 | "Non-nil if building Emacs overflowed pure space.") | |
398 | ||
ca0a881a | 399 | (defvar pure-space-overflow-message (purecopy "\ |
22a58255 | 400 | Warning Warning!!! Pure space overflow !!!Warning Warning |
ca0a881a | 401 | \(See the node Pure Storage in the Lisp manual for details.)\n")) |
22a58255 | 402 | |
45448e64 SM |
403 | (defcustom tutorial-directory |
404 | (file-name-as-directory (expand-file-name "tutorials" data-directory)) | |
405 | "Directory containing the Emacs TUTORIAL files." | |
406 | :group 'installation | |
407 | :type 'directory | |
408 | :initialize 'custom-initialize-delay) | |
5f5ba825 | 409 | |
4525ce3e CY |
410 | (defconst package-subdirectory-regexp |
411 | "\\([^.].*?\\)-\\([0-9]+\\(?:[.][0-9]+\\|\\(?:pre\\|beta\\|alpha\\)[0-9]+\\)*\\)" | |
412 | "Regular expression matching the name of a package subdirectory. | |
413 | The first subexpression is the package name. | |
414 | The second subexpression is the version string. | |
415 | ||
416 | The regexp should not contain a starting \"\\`\" or a trailing | |
417 | \"\\'\"; those are added automatically by callers.") | |
418 | ||
859e15c1 | 419 | (defun normal-top-level-add-subdirs-to-load-path () |
04ed2e9c | 420 | "Add all subdirectories of `default-directory' to `load-path'. |
0412d833 | 421 | More precisely, this uses only the subdirectories whose names |
f734a13e DL |
422 | start with letters or digits; it excludes any subdirectory named `RCS' |
423 | or `CVS', and any subdirectory that contains a file named `.nosearch'." | |
f1180544 | 424 | (let (dirs |
95eada65 | 425 | attrs |
859e15c1 KH |
426 | (pending (list default-directory))) |
427 | ;; This loop does a breadth-first tree walk on DIR's subtree, | |
428 | ;; putting each subdir into DIRS as its contents are examined. | |
429 | (while pending | |
4e0a3971 | 430 | (push (pop pending) dirs) |
722a451d EZ |
431 | (let* ((this-dir (car dirs)) |
432 | (contents (directory-files this-dir)) | |
433 | (default-directory this-dir) | |
fcaf7de9 SM |
434 | (canonicalized (if (fboundp 'untranslated-canonical-name) |
435 | (untranslated-canonical-name this-dir)))) | |
ad961a00 GM |
436 | ;; The Windows version doesn't report meaningful inode numbers, so |
437 | ;; use the canonicalized absolute file name of the directory instead. | |
722a451d EZ |
438 | (setq attrs (or canonicalized |
439 | (nthcdr 10 (file-attributes this-dir)))) | |
95eada65 | 440 | (unless (member attrs normal-top-level-add-subdirs-inode-list) |
4e0a3971 SM |
441 | (push attrs normal-top-level-add-subdirs-inode-list) |
442 | (dolist (file contents) | |
ad961a00 GM |
443 | (and (string-match "\\`[[:alnum:]]" file) |
444 | ;; The lower-case variants of RCS and CVS are for DOS/Windows. | |
445 | (not (member file '("RCS" "CVS" "rcs" "cvs"))) | |
446 | ;; Avoid doing a `stat' when it isn't necessary because | |
447 | ;; that can cause trouble when an NFS server is down. | |
448 | (not (string-match "\\.elc?\\'" file)) | |
449 | (file-directory-p file) | |
450 | (let ((expanded (expand-file-name file))) | |
451 | (or (file-exists-p (expand-file-name ".nosearch" expanded)) | |
452 | (setq pending (nconc pending (list expanded)))))))))) | |
bb15e81a | 453 | (normal-top-level-add-to-load-path (cdr (nreverse dirs))))) |
859e15c1 | 454 | |
e87a7309 | 455 | (defun normal-top-level-add-to-load-path (dirs) |
ad961a00 GM |
456 | "This function is called from a subdirs.el file. |
457 | It assumes that `default-directory' is the directory in which the | |
458 | subdirs.el file exists, and it adds to `load-path' the subdirs of | |
459 | that directory as specified in DIRS. Normally the elements of | |
460 | DIRS are relative." | |
cd1c10f6 RS |
461 | (let ((tail load-path) |
462 | (thisdir (directory-file-name default-directory))) | |
463 | (while (and tail | |
138e541f GM |
464 | ;;Don't go all the way to the nil terminator. |
465 | (cdr tail) | |
cd1c10f6 RS |
466 | (not (equal thisdir (car tail))) |
467 | (not (and (memq system-type '(ms-dos windows-nt)) | |
468 | (equal (downcase thisdir) (downcase (car tail)))))) | |
469 | (setq tail (cdr tail))) | |
138e541f GM |
470 | ;;Splice the new section in. |
471 | (when tail | |
472 | (setcdr tail (append (mapcar 'expand-file-name dirs) (cdr tail)))))) | |
e87a7309 | 473 | |
a726e0d1 | 474 | (defun normal-top-level () |
33da7b16 GM |
475 | "Emacs calls this function when it first starts up. |
476 | It sets `command-line-processed', processes the command-line, | |
477 | reads the initialization files, etc. | |
478 | It is the default value of the variable `top-level'." | |
a726e0d1 JB |
479 | (if command-line-processed |
480 | (message "Back to top level.") | |
481 | (setq command-line-processed t) | |
8d4c2221 | 482 | (let ((dir default-directory)) |
fcaf7de9 | 483 | (with-current-buffer "*Messages*" |
a1562258 SM |
484 | ;; Make it easy to do like "tail -f". |
485 | (set (make-local-variable 'window-point-insertion-type) t) | |
486 | ;; Give *Messages* the same default-directory as *scratch*, | |
487 | ;; just to keep things predictable. | |
8d4c2221 | 488 | (setq default-directory dir))) |
9715399e MR |
489 | ;; `user-full-name' is now known; reset its standard-value here. |
490 | (put 'user-full-name 'standard-value | |
491 | (list (default-value 'user-full-name))) | |
e87a7309 RS |
492 | ;; Look in each dir in load-path for a subdirs.el file. |
493 | ;; If we find one, load it, which will add the appropriate subdirs | |
494 | ;; of that dir into load-path, | |
357438eb KH |
495 | ;; Look for a leim-list.el file too. Loading it will register |
496 | ;; available input methods. | |
e5fcdb5e GM |
497 | (let ((tail load-path) |
498 | (lispdir (expand-file-name "../lisp" data-directory)) | |
499 | ;; For out-of-tree builds, leim-list is generated in the build dir. | |
500 | ;;; (leimdir (expand-file-name "../leim" doc-directory)) | |
501 | dir) | |
b6666b5f SM |
502 | (while tail |
503 | (setq dir (car tail)) | |
504 | (let ((default-directory dir)) | |
505 | (load (expand-file-name "subdirs.el") t t t)) | |
e5fcdb5e GM |
506 | ;; Do not scan standard directories that won't contain a leim-list.el. |
507 | ;; http://lists.gnu.org/archive/html/emacs-devel/2009-10/msg00502.html | |
508 | (or (string-match (concat "\\`" lispdir) dir) | |
509 | (let ((default-directory dir)) | |
510 | (load (expand-file-name "leim-list.el") t t t))) | |
b6666b5f SM |
511 | ;; We don't use a dolist loop and we put this "setq-cdr" command at |
512 | ;; the end, because the subdirs.el files may add elements to the end | |
513 | ;; of load-path and we want to take it into account. | |
514 | (setq tail (cdr tail)))) | |
7c2fb837 DN |
515 | ;; If the PWD environment variable isn't accurate, delete it. |
516 | (let ((pwd (getenv "PWD"))) | |
517 | (and (stringp pwd) | |
518 | ;; Use FOO/., so that if FOO is a symlink, file-attributes | |
519 | ;; describes the directory linked to, not FOO itself. | |
520 | (or (equal (file-attributes | |
521 | (concat (file-name-as-directory pwd) ".")) | |
522 | (file-attributes | |
523 | (concat (file-name-as-directory default-directory) | |
524 | "."))) | |
525 | (setq process-environment | |
526 | (delete (concat "PWD=" pwd) | |
527 | process-environment))))) | |
492878e4 | 528 | (setq default-directory (abbreviate-file-name default-directory)) |
50d4ba39 | 529 | (let ((old-face-font-rescale-alist face-font-rescale-alist)) |
6f2c86fa KH |
530 | (unwind-protect |
531 | (command-line) | |
532 | ;; Do this again, in case .emacs defined more abbreviations. | |
533 | (setq default-directory (abbreviate-file-name default-directory)) | |
b3c7c12c RS |
534 | ;; Specify the file for recording all the auto save files of this session. |
535 | ;; This is used by recover-session. | |
cdee38c3 KH |
536 | (or auto-save-list-file-name |
537 | (and auto-save-list-file-prefix | |
538 | (setq auto-save-list-file-name | |
1f7f78f1 RS |
539 | ;; Under MS-DOS our PID is almost always reused between |
540 | ;; Emacs invocations. We need something more unique. | |
4b33deaa EZ |
541 | (cond ((eq system-type 'ms-dos) |
542 | ;; We are going to access the auto-save | |
543 | ;; directory, so make sure it exists. | |
544 | (make-directory | |
545 | (file-name-directory auto-save-list-file-prefix) | |
546 | t) | |
f1180544 | 547 | (concat |
4b33deaa EZ |
548 | (make-temp-name |
549 | (expand-file-name | |
550 | auto-save-list-file-prefix)) | |
551 | "~")) | |
552 | (t | |
553 | (expand-file-name | |
554 | (format "%s%d-%s~" | |
555 | auto-save-list-file-prefix | |
556 | (emacs-pid) | |
557 | (system-name)))))))) | |
deebb0e9 RS |
558 | (unless inhibit-startup-hooks |
559 | (run-hooks 'emacs-startup-hook) | |
560 | (and term-setup-hook | |
561 | (run-hooks 'term-setup-hook))) | |
6a1e7d67 GM |
562 | |
563 | ;; Don't do this if we failed to create the initial frame, | |
564 | ;; for instance due to a dense colormap. | |
538ef02a GM |
565 | (when (or frame-initial-frame |
566 | ;; If frame-initial-frame has no meaning, do this anyway. | |
2246281f | 567 | (not (and initial-window-system |
538ef02a | 568 | (not noninteractive) |
2246281f | 569 | (not (eq initial-window-system 'pc))))) |
4a0c0061 CY |
570 | |
571 | ;; FIXME: The user's init file may change | |
572 | ;; face-font-rescale-alist. However, the default face | |
573 | ;; already has an assigned font object, which does not take | |
574 | ;; face-font-rescale-alist into account. For such | |
575 | ;; situations, we ought to have a way to find all font | |
576 | ;; objects and regenerate them; currently we do not. As a | |
577 | ;; workaround, we specifically reset te default face's :font | |
578 | ;; attribute here. See bug#1785. | |
579 | (unless (eq face-font-rescale-alist | |
580 | old-face-font-rescale-alist) | |
581 | (set-face-attribute 'default nil :font (font-spec))) | |
582 | ||
6a1e7d67 GM |
583 | ;; Modify the initial frame based on what .emacs puts into |
584 | ;; ...-frame-alist. | |
585 | (if (fboundp 'frame-notice-user-settings) | |
586 | (frame-notice-user-settings)) | |
2666355c KL |
587 | ;; Set the faces for the initial background mode even if |
588 | ;; frame-notice-user-settings didn't (such as on a tty). | |
589 | ;; frame-set-background-mode is idempotent, so it won't | |
590 | ;; cause any harm if it's already been done. | |
6a1e7d67 | 591 | (if (fboundp 'frame-set-background-mode) |
2666355c | 592 | (frame-set-background-mode (selected-frame)))) |
13ab33c4 | 593 | |
6f2c86fa KH |
594 | ;; Now we know the user's default font, so add it to the menu. |
595 | (if (fboundp 'font-menu-add-default) | |
596 | (font-menu-add-default)) | |
597 | (and window-setup-hook | |
50d4ba39 | 598 | (run-hooks 'window-setup-hook)))) |
fdb88463 SM |
599 | ;; Subprocesses of Emacs do not have direct access to the terminal, so |
600 | ;; unless told otherwise they should only assume a dumb terminal. | |
601 | ;; We are careful to do it late (after term-setup-hook), although the | |
602 | ;; new multi-tty code does not use $TERM any more there anyway. | |
4bbfda32 SM |
603 | (setenv "TERM" "dumb") |
604 | ;; Remove DISPLAY from the process-environment as well. This allows | |
605 | ;; `callproc.c' to give it a useful adaptive default which is either | |
606 | ;; the value of the `display' frame-parameter or the DISPLAY value | |
607 | ;; from initial-environment. | |
608 | (let ((display (frame-parameter nil 'display))) | |
609 | ;; Be careful which DISPLAY to remove from process-environment: follow | |
610 | ;; the logic of `callproc.c'. | |
611 | (if (stringp display) (setq display (concat "DISPLAY=" display)) | |
612 | (dolist (varval initial-environment) | |
613 | (if (string-match "\\`DISPLAY=" varval) | |
614 | (setq display varval)))) | |
615 | (when display | |
4bbfda32 | 616 | (delete display process-environment))))) |
6f2c86fa KH |
617 | |
618 | ;; Precompute the keyboard equivalents in the menu bar items. | |
c381f482 EZ |
619 | ;; Command-line options supported by tty's: |
620 | (defconst tty-long-option-alist | |
8957d2bf EZ |
621 | '(("--name" . "-name") |
622 | ("--title" . "-T") | |
623 | ("--reverse-video" . "-reverse") | |
c381f482 | 624 | ("--foreground-color" . "-fg") |
8957d2bf EZ |
625 | ("--background-color" . "-bg") |
626 | ("--color" . "-color"))) | |
c381f482 | 627 | |
b66b6aeb | 628 | (defconst tool-bar-images-pixel-height 24 |
eeaa563e | 629 | "Height in pixels of images in the tool-bar.") |
b66b6aeb | 630 | |
3a55d3d0 JR |
631 | (defvar tool-bar-originally-present nil |
632 | "Non-nil if tool-bars are present before user and site init files are read.") | |
633 | ||
e9cda827 KL |
634 | (defvar handle-args-function-alist '((nil . tty-handle-args)) |
635 | "Functions for processing window-system dependent command-line arguments. | |
636 | Window system startup files should add their own function to this | |
637 | alist, which should parse the command line arguments. Those | |
638 | pertaining to the window system should be processed and removed | |
639 | from the returned command line.") | |
640 | ||
641 | (defvar window-system-initialization-alist '((nil . ignore)) | |
642 | "Alist of window-system initialization functions. | |
643 | Window-system startup files should add their own initialization | |
644 | function to this list. The function should take no arguments, | |
645 | and initialize the window system environment to prepare for | |
2bb819d5 | 646 | opening the first frame (e.g. open a connection to an X server).") |
e9cda827 | 647 | |
c381f482 | 648 | (defun tty-handle-args (args) |
ad961a00 | 649 | "Handle the X-like command-line arguments \"-fg\", \"-bg\", \"-name\", etc." |
bca8c7be | 650 | (let (rest) |
ae8bf5ab | 651 | (message "%S" args) |
c381f482 EZ |
652 | (while (and args |
653 | (not (equal (car args) "--"))) | |
bca8c7be MS |
654 | (let* ((argi (pop args)) |
655 | (orig-argi argi) | |
656 | argval completion) | |
c381f482 EZ |
657 | ;; Check for long options with attached arguments |
658 | ;; and separate out the attached option argument into argval. | |
bca8c7be MS |
659 | (when (string-match "^\\(--[^=]*\\)=" argi) |
660 | (setq argval (substring argi (match-end 0)) | |
661 | argi (match-string 1 argi))) | |
662 | (when (string-match "^--" argi) | |
663 | (setq completion (try-completion argi tty-long-option-alist)) | |
c381f482 EZ |
664 | (if (eq completion t) |
665 | ;; Exact match for long option. | |
bca8c7be | 666 | (setq argi (cdr (assoc argi tty-long-option-alist))) |
c381f482 EZ |
667 | (if (stringp completion) |
668 | (let ((elt (assoc completion tty-long-option-alist))) | |
669 | ;; Check for abbreviated long option. | |
670 | (or elt | |
bca8c7be MS |
671 | (error "Option `%s' is ambiguous" argi)) |
672 | (setq argi (cdr elt))) | |
c381f482 | 673 | ;; Check for a short option. |
bca8c7be MS |
674 | (setq argval nil |
675 | argi orig-argi)))) | |
676 | (cond ((member argi '("-fg" "-foreground")) | |
677 | (push (cons 'foreground-color (or argval (pop args))) | |
678 | default-frame-alist)) | |
679 | ((member argi '("-bg" "-background")) | |
680 | (push (cons 'background-color (or argval (pop args))) | |
681 | default-frame-alist)) | |
682 | ((member argi '("-T" "-name")) | |
683 | (unless argval (setq argval (pop args))) | |
684 | (push (cons 'title | |
685 | (if (stringp argval) | |
686 | argval | |
687 | (let ((case-fold-search t) | |
688 | i) | |
689 | (setq argval (invocation-name)) | |
690 | ||
691 | ;; Change any . or * characters in name to | |
692 | ;; hyphens, so as to emulate behavior on X. | |
693 | (while | |
694 | (setq i (string-match "[.*]" argval)) | |
695 | (aset argval i ?-)) | |
696 | argval))) | |
697 | default-frame-alist)) | |
698 | ((member argi '("-r" "-rv" "-reverse")) | |
699 | (push '(reverse . t) | |
700 | default-frame-alist)) | |
701 | ((equal argi "-color") | |
702 | (unless argval (setq argval 8)) ; default --color means 8 ANSI colors | |
703 | (push (cons 'tty-color-mode | |
704 | (cond | |
705 | ((numberp argval) argval) | |
706 | ((string-match "-?[0-9]+" argval) | |
707 | (string-to-number argval)) | |
708 | (t (intern argval)))) | |
709 | default-frame-alist)) | |
710 | (t | |
711 | (push argi rest))))) | |
712 | (nreverse rest))) | |
c381f482 | 713 | |
aa360da1 GM |
714 | (declare-function x-get-resource "frame.c" |
715 | (attribute class &optional component subclass)) | |
716 | (declare-function tool-bar-mode "tool-bar" (&optional arg)) | |
d2b2930a | 717 | (declare-function tool-bar-setup "tool-bar") |
aa360da1 | 718 | |
4ff029f6 | 719 | (defvar server-name) |
35f372ca | 720 | (defvar server-process) |
4ff029f6 | 721 | |
a726e0d1 | 722 | (defun command-line () |
33da7b16 GM |
723 | "A subroutine of `normal-top-level'. |
724 | Amongst another things, it parses the command-line arguments." | |
5c9fad41 | 725 | (setq before-init-time (current-time) |
981c5d1d | 726 | after-init-time nil |
238cbdf8 | 727 | command-line-default-directory default-directory) |
09a1077c | 728 | |
2aa0e5bf SM |
729 | ;; Force recomputation, in case it was computed during the dump. |
730 | (setq abbreviated-home-dir nil) | |
849eedba | 731 | |
74f2ab06 | 732 | ;; See if we should import version-control from the environment variable. |
a726e0d1 JB |
733 | (let ((vc (getenv "VERSION_CONTROL"))) |
734 | (cond ((eq vc nil)) ;don't do anything if not set | |
bca8c7be | 735 | ((member vc '("t" "numbered")) |
a726e0d1 | 736 | (setq version-control t)) |
bca8c7be | 737 | ((member vc '("nil" "existing")) |
a726e0d1 | 738 | (setq version-control nil)) |
bca8c7be | 739 | ((member vc '("never" "simple")) |
a726e0d1 JB |
740 | (setq version-control 'never)))) |
741 | ||
79058860 JB |
742 | ;;! This has been commented out; I currently find the behavior when |
743 | ;;! split-window-keep-point is nil disturbing, but if I can get used | |
744 | ;;! to it, then it would be better to eliminate the option. | |
745 | ;;! ;; Choose a good default value for split-window-keep-point. | |
746 | ;;! (setq split-window-keep-point (> baud-rate 2400)) | |
f35fe3c6 | 747 | |
d4308a4d EZ |
748 | ;; Set the default strings to display in mode line for |
749 | ;; end-of-line formats that aren't native to this platform. | |
750 | (cond | |
a3374680 | 751 | ((memq system-type '(ms-dos windows-nt)) |
bca8c7be MS |
752 | (setq eol-mnemonic-unix "(Unix)" |
753 | eol-mnemonic-mac "(Mac)")) | |
bca8c7be MS |
754 | (t ; this is for Unix/GNU/Linux systems |
755 | (setq eol-mnemonic-dos "(DOS)" | |
756 | eol-mnemonic-mac "(Mac)"))) | |
d4308a4d | 757 | |
640a9cdd JR |
758 | (set-locale-environment nil) |
759 | ||
735895f1 EZ |
760 | ;; Convert preloaded file names in load-history to absolute. |
761 | (let ((simple-file-name | |
3b61abfe EZ |
762 | ;; Look for simple.el or simple.elc and use their directory |
763 | ;; as the place where all Lisp files live. | |
735895f1 EZ |
764 | (locate-file "simple" load-path (get-load-suffixes))) |
765 | lisp-dir) | |
766 | ;; Don't abort if simple.el cannot be found, but print a warning. | |
767 | (if (null simple-file-name) | |
768 | (progn | |
769 | (princ "Warning: Could not find simple.el nor simple.elc" | |
770 | 'external-debugging-output) | |
771 | (terpri 'external-debugging-output)) | |
772 | (setq lisp-dir (file-truename (file-name-directory simple-file-name))) | |
773 | (setq load-history | |
774 | (mapcar (lambda (elt) | |
775 | (if (and (stringp (car elt)) | |
776 | (not (file-name-absolute-p (car elt)))) | |
777 | (cons (concat lisp-dir | |
778 | (car elt)) | |
779 | (cdr elt)) | |
780 | elt)) | |
781 | load-history)))) | |
4b816985 | 782 | |
c16eb7b0 RS |
783 | ;; Convert the arguments to Emacs internal representation. |
784 | (let ((args (cdr command-line-args))) | |
785 | (while args | |
786 | (setcar args | |
787 | (decode-coding-string (car args) locale-coding-system t)) | |
bca8c7be | 788 | (pop args))) |
c16eb7b0 | 789 | |
03e3c30a | 790 | (let ((done nil) |
4fe22cdf CY |
791 | (args (cdr command-line-args)) |
792 | display-arg) | |
03e3c30a | 793 | |
a726e0d1 JB |
794 | ;; Figure out which user's init file to load, |
795 | ;; either from the environment or from the options. | |
796 | (setq init-file-user (if noninteractive nil (user-login-name))) | |
797 | ;; If user has not done su, use current $HOME to find .emacs. | |
bca8c7be MS |
798 | (and init-file-user |
799 | (equal init-file-user (user-real-login-name)) | |
a726e0d1 | 800 | (setq init-file-user "")) |
03e3c30a JB |
801 | |
802 | ;; Process the command-line args, and delete the arguments | |
803 | ;; processed. This is consistent with the way main in emacs.c | |
804 | ;; does things. | |
a726e0d1 | 805 | (while (and (not done) args) |
9ab281f0 JB |
806 | (let* ((longopts '(("--no-init-file") ("--no-site-file") ("--debug-init") |
807 | ("--user") ("--iconic") ("--icon-type") ("--quick") | |
808 | ("--no-blinking-cursor") ("--basic-display"))) | |
bca8c7be MS |
809 | (argi (pop args)) |
810 | (orig-argi argi) | |
811 | argval) | |
452e9090 | 812 | ;; Handle --OPTION=VALUE format. |
7b704afe | 813 | (when (string-match "\\`\\(--[^=]*\\)=" argi) |
1b207153 | 814 | (setq argval (substring argi (match-end 0)) |
bca8c7be | 815 | argi (match-string 1 argi))) |
7b704afe | 816 | (when (string-match "\\`--." orig-argi) |
1b207153 | 817 | (let ((completion (try-completion argi longopts))) |
198a7a97 CY |
818 | (cond ((eq completion t) |
819 | (setq argi (substring argi 1))) | |
820 | ((stringp completion) | |
821 | (let ((elt (assoc completion longopts))) | |
822 | (unless elt | |
823 | (error "Option `%s' is ambiguous" argi)) | |
824 | (setq argi (substring (car elt) 1)))) | |
825 | (t | |
826 | (setq argval nil | |
827 | argi orig-argi))))) | |
a726e0d1 | 828 | (cond |
4fe22cdf CY |
829 | ;; The --display arg is handled partly in C, partly in Lisp. |
830 | ;; When it shows up here, we just put it back to be handled | |
831 | ;; by `command-line-1'. | |
832 | ((member argi '("-d" "-display")) | |
833 | (setq display-arg (list argi (pop args)))) | |
dc58296d | 834 | ((member argi '("-Q" "-quick")) |
6b61353c KH |
835 | (setq init-file-user nil |
836 | site-run-file nil | |
8686ac71 | 837 | inhibit-x-resources t)) |
dc58296d RS |
838 | ((member argi '("-D" "-basic-display")) |
839 | (setq no-blinking-cursor t | |
840 | emacs-basic-display t) | |
6b61353c | 841 | (push '(vertical-scroll-bars . nil) initial-frame-alist)) |
4e0a3971 SM |
842 | ((member argi '("-q" "-no-init-file")) |
843 | (setq init-file-user nil)) | |
844 | ((member argi '("-u" "-user")) | |
bca8c7be | 845 | (setq init-file-user (or argval (pop args)) |
4e0a3971 | 846 | argval nil)) |
bca8c7be | 847 | ((equal argi "-no-site-file") |
4e0a3971 | 848 | (setq site-run-file nil)) |
bca8c7be | 849 | ((equal argi "-debug-init") |
4e0a3971 | 850 | (setq init-file-debug t)) |
bca8c7be | 851 | ((equal argi "-iconic") |
4e0a3971 | 852 | (push '(visibility . icon) initial-frame-alist)) |
178b4542 JL |
853 | ((member argi '("-nbc" "-no-blinking-cursor")) |
854 | (setq no-blinking-cursor t)) | |
4e0a3971 | 855 | ;; Push the popped arg back on the list of arguments. |
bca8c7be MS |
856 | (t |
857 | (push argi args) | |
858 | (setq done t))) | |
096b7031 KH |
859 | ;; Was argval set but not used? |
860 | (and argval | |
861 | (error "Option `%s' doesn't allow an argument" argi)))) | |
862 | ||
4fe22cdf CY |
863 | ;; Re-attach the --display arg. |
864 | (and display-arg (setq args (append display-arg args))) | |
865 | ||
03e3c30a | 866 | ;; Re-attach the program name to the front of the arg list. |
bca8c7be MS |
867 | (and command-line-args |
868 | (setcdr command-line-args args))) | |
a726e0d1 | 869 | |
d2fd733e SM |
870 | ;; Make sure window system's init file was loaded in loadup.el if |
871 | ;; using a window system. | |
872 | ;; Initialize the window-system only after processing the command-line | |
873 | ;; args so that -Q can influence this initialization. | |
874 | (condition-case error | |
875 | (unless noninteractive | |
876 | (if (and initial-window-system | |
877 | (not (featurep | |
878 | (intern | |
879 | (concat (symbol-name initial-window-system) "-win"))))) | |
880 | (error "Unsupported window system `%s'" initial-window-system)) | |
881 | ;; Process window-system specific command line parameters. | |
882 | (setq command-line-args | |
883 | (funcall | |
884 | (or (cdr (assq initial-window-system handle-args-function-alist)) | |
885 | (error "Unsupported window system `%s'" initial-window-system)) | |
886 | command-line-args)) | |
887 | ;; Initialize the window system. (Open connection, etc.) | |
888 | (funcall | |
889 | (or (cdr (assq initial-window-system window-system-initialization-alist)) | |
890 | (error "Unsupported window system `%s'" initial-window-system)))) | |
891 | ;; If there was an error, print the error message and exit. | |
892 | (error | |
893 | (princ | |
894 | (if (eq (car error) 'error) | |
895 | (apply 'concat (cdr error)) | |
896 | (if (memq 'file-error (get (car error) 'error-conditions)) | |
897 | (format "%s: %s" | |
898 | (nth 1 error) | |
899 | (mapconcat (lambda (obj) (prin1-to-string obj t)) | |
900 | (cdr (cdr error)) ", ")) | |
901 | (format "%s: %s" | |
902 | (get (car error) 'error-message) | |
903 | (mapconcat (lambda (obj) (prin1-to-string obj t)) | |
904 | (cdr error) ", ")))) | |
905 | 'external-debugging-output) | |
906 | (terpri 'external-debugging-output) | |
907 | (setq initial-window-system nil) | |
908 | (kill-emacs))) | |
909 | ||
ce98f555 RS |
910 | (run-hooks 'before-init-hook) |
911 | ||
15cd8efd | 912 | ;; Under X, create the X frame and delete the terminal frame. |
7581ba40 | 913 | (unless (daemonp) |
15cd8efd CY |
914 | (if (or noninteractive emacs-basic-display) |
915 | (setq menu-bar-mode nil | |
916 | tool-bar-mode nil | |
917 | no-blinking-cursor t)) | |
9ba6e7d4 | 918 | (frame-initialize)) |
14f16b9c | 919 | |
55702e89 AS |
920 | (when (fboundp 'x-create-frame) |
921 | ;; Set up the tool-bar (even in tty frames, since Emacs might open a | |
922 | ;; graphical frame later). | |
923 | (unless noninteractive | |
924 | (tool-bar-setup))) | |
6431f2e6 | 925 | |
ed0fb1f1 | 926 | ;; Turn off blinking cursor if so specified in X resources. This is here |
b08cb5a6 | 927 | ;; only because all other settings of no-blinking-cursor are here. |
ed0fb1f1 JD |
928 | (unless (or noninteractive |
929 | emacs-basic-display | |
9e2a2647 | 930 | (and (memq window-system '(x w32 ns)) |
ed0fb1f1 | 931 | (not (member (x-get-resource "cursorBlink" "CursorBlink") |
04877ddb | 932 | '("no" "off" "false" "0"))))) |
ed0fb1f1 JD |
933 | (setq no-blinking-cursor t)) |
934 | ||
790d0270 SM |
935 | ;; Re-evaluate predefined variables whose initial value depends on |
936 | ;; the runtime context. | |
937 | (mapc 'custom-reevaluate-setting | |
938 | ;; Initialize them in the same order they were loaded, in case there | |
939 | ;; are dependencies between them. | |
940 | (prog1 (nreverse custom-delayed-init-variables) | |
941 | (setq custom-delayed-init-variables nil))) | |
3b73087e | 942 | |
30a2fded KL |
943 | (normal-erase-is-backspace-setup-frame) |
944 | ||
1592c1ef | 945 | ;; Register default TTY colors for the case the terminal hasn't a |
40ba43b4 | 946 | ;; terminal init file. We do this regardless of whether the terminal |
79c3172f KL |
947 | ;; supports colors or not and regardless the current display type, |
948 | ;; since users can connect to color-capable terminals and also | |
949 | ;; switch color support on or off in mid-session by setting the | |
950 | ;; tty-color-mode frame parameter. | |
a5b5acaf EZ |
951 | ;; Exception: the `pc' ``window system'' has only 16 fixed colors, |
952 | ;; and they are already set at this point by a suitable function in | |
953 | ;; window-system-initialization-alist. | |
954 | (or (eq initial-window-system 'pc) | |
955 | (tty-register-default-colors)) | |
1592c1ef | 956 | |
3a55d3d0 JR |
957 | ;; Record whether the tool-bar is present before the user and site |
958 | ;; init files are processed. frame-notice-user-settings uses this | |
959 | ;; to determine if the tool-bar has been disabled by the init files, | |
960 | ;; and the frame needs to be resized. | |
961 | (when (fboundp 'frame-notice-user-settings) | |
962 | (let ((tool-bar-lines (or (assq 'tool-bar-lines initial-frame-alist) | |
963 | (assq 'tool-bar-lines default-frame-alist)))) | |
964 | (setq tool-bar-originally-present | |
bca8c7be MS |
965 | (and tool-bar-lines |
966 | (cdr tool-bar-lines) | |
967 | (not (eq 0 (cdr tool-bar-lines))))))) | |
3a55d3d0 | 968 | |
752ef254 GM |
969 | (let ((old-scalable-fonts-allowed scalable-fonts-allowed) |
970 | (old-font-list-limit font-list-limit) | |
971 | (old-face-ignored-fonts face-ignored-fonts)) | |
972 | ||
752ef254 GM |
973 | ;; Run the site-start library if it exists. The point of this file is |
974 | ;; that it is run before .emacs. There is no point in doing this after | |
975 | ;; .emacs; that is useless. | |
5f144784 GM |
976 | ;; Note that user-init-file is nil at this point. Code that might |
977 | ;; be loaded from site-run-file and wants to test if -q was given | |
978 | ;; should check init-file-user instead, since that is already set. | |
979 | ;; See cus-edit.el for an example. | |
f1180544 | 980 | (if site-run-file |
752ef254 GM |
981 | (load site-run-file t t)) |
982 | ||
983 | ;; Sites should not disable this. Only individuals should disable | |
1cff9ad1 JL |
984 | ;; the startup screen. |
985 | (setq inhibit-startup-screen nil) | |
752ef254 | 986 | |
f963ea40 | 987 | ;; Warn for invalid user name. |
ce98f555 RS |
988 | (when init-file-user |
989 | (if (string-match "[~/:\n]" init-file-user) | |
990 | (display-warning 'initialization | |
991 | (format "Invalid user name %s" | |
992 | init-file-user) | |
993 | :error) | |
1df1e49e | 994 | (if (file-directory-p (expand-file-name |
5463218c EZ |
995 | ;; We don't support ~USER on MS-Windows |
996 | ;; and MS-DOS except for the current | |
997 | ;; user, and always load .emacs from | |
998 | ;; the current user's home directory | |
999 | ;; (see below). So always check "~", | |
1000 | ;; even if invoked with "-u USER", or | |
1001 | ;; if $USER or $LOGNAME are set to | |
1002 | ;; something different. | |
1003 | (if (memq system-type '(windows-nt ms-dos)) | |
1df1e49e EZ |
1004 | "~" |
1005 | (concat "~" init-file-user)))) | |
ce98f555 RS |
1006 | nil |
1007 | (display-warning 'initialization | |
1008 | (format "User %s has no home directory" | |
ec1b09b1 EZ |
1009 | (if (equal init-file-user "") |
1010 | (user-real-login-name) | |
1011 | init-file-user)) | |
ce98f555 | 1012 | :error)))) |
f963ea40 | 1013 | |
752ef254 GM |
1014 | ;; Load that user's init file, or the default one, or none. |
1015 | (let (debug-on-error-from-init-file | |
1016 | debug-on-error-should-be-set | |
1017 | (debug-on-error-initial | |
1018 | (if (eq init-file-debug t) 'startup init-file-debug)) | |
597e2240 | 1019 | (orig-enable-multibyte (default-value 'enable-multibyte-characters))) |
752ef254 GM |
1020 | (let ((debug-on-error debug-on-error-initial) |
1021 | ;; This function actually reads the init files. | |
1022 | (inner | |
1023 | (function | |
1024 | (lambda () | |
1025 | (if init-file-user | |
1026 | (let ((user-init-file-1 | |
4e0a3971 | 1027 | (cond |
8a05b668 JB |
1028 | ((eq system-type 'ms-dos) |
1029 | (concat "~" init-file-user "/_emacs")) | |
1030 | ((not (eq system-type 'windows-nt)) | |
1031 | (concat "~" init-file-user "/.emacs")) | |
1032 | ;; Else deal with the Windows situation | |
1033 | ((directory-files "~" nil "^\\.emacs\\(\\.elc?\\)?$") | |
1034 | ;; Prefer .emacs on Windows. | |
1035 | "~/.emacs") | |
1036 | ((directory-files "~" nil "^_emacs\\(\\.elc?\\)?$") | |
1037 | ;; Also support _emacs for compatibility, but warn about it. | |
50f84510 JB |
1038 | (push '(initialization |
1039 | "`_emacs' init file is deprecated, please use `.emacs'") | |
1040 | delayed-warnings-list) | |
8a05b668 JB |
1041 | "~/_emacs") |
1042 | (t ;; But default to .emacs if _emacs does not exist. | |
1043 | "~/.emacs")))) | |
752ef254 GM |
1044 | ;; This tells `load' to store the file name found |
1045 | ;; into user-init-file. | |
1046 | (setq user-init-file t) | |
1047 | (load user-init-file-1 t t) | |
f1180544 | 1048 | |
a04d5983 RS |
1049 | (when (eq user-init-file t) |
1050 | ;; If we did not find ~/.emacs, try | |
c3ab3701 | 1051 | ;; ~/.emacs.d/init.el. |
a04d5983 RS |
1052 | (let ((otherfile |
1053 | (expand-file-name | |
c3ab3701 | 1054 | "init" |
a04d5983 | 1055 | (file-name-as-directory |
c3ab3701 | 1056 | (concat "~" init-file-user "/.emacs.d"))))) |
a04d5983 RS |
1057 | (load otherfile t t) |
1058 | ||
1059 | ;; If we did not find the user's init file, | |
1060 | ;; set user-init-file conclusively. | |
1061 | ;; Don't let it be set from default.el. | |
1062 | (when (eq user-init-file t) | |
1063 | (setq user-init-file user-init-file-1)))) | |
f1180544 | 1064 | |
752ef254 GM |
1065 | ;; If we loaded a compiled file, set |
1066 | ;; `user-init-file' to the source version if that | |
1067 | ;; exists. | |
1068 | (when (and user-init-file | |
1069 | (equal (file-name-extension user-init-file) | |
1070 | "elc")) | |
1071 | (let* ((source (file-name-sans-extension user-init-file)) | |
1072 | (alt (concat source ".el"))) | |
1073 | (setq source (cond ((file-exists-p alt) alt) | |
1074 | ((file-exists-p source) source) | |
1075 | (t nil))) | |
1076 | (when source | |
1077 | (when (file-newer-than-file-p source user-init-file) | |
1078 | (message "Warning: %s is newer than %s" | |
1079 | source user-init-file) | |
1080 | (sit-for 1)) | |
1081 | (setq user-init-file source)))) | |
f1180544 | 1082 | |
bca8c7be | 1083 | (unless inhibit-default-init |
1cff9ad1 | 1084 | (let ((inhibit-startup-screen nil)) |
bca8c7be MS |
1085 | ;; Users are supposed to be told their rights. |
1086 | ;; (Plus how to get help and how to undo.) | |
1087 | ;; Don't you dare turn this off for anyone | |
1088 | ;; except yourself. | |
1089 | (load "default" t t))))))))) | |
752ef254 GM |
1090 | (if init-file-debug |
1091 | ;; Do this without a condition-case if the user wants to debug. | |
1092 | (funcall inner) | |
1093 | (condition-case error | |
1094 | (progn | |
1095 | (funcall inner) | |
1096 | (setq init-file-had-error nil)) | |
1097 | (error | |
f2602864 CY |
1098 | (display-warning |
1099 | 'initialization | |
1100 | (format "An error occurred while loading `%s':\n\n%s%s%s\n\n\ | |
1101 | To ensure normal operation, you should investigate and remove the | |
1102 | cause of the error in your initialization file. Start Emacs with | |
1103 | the `--debug-init' option to view a complete error backtrace." | |
1104 | user-init-file | |
1105 | (get (car error) 'error-message) | |
1106 | (if (cdr error) ": " "") | |
9dba2c64 SM |
1107 | (mapconcat (lambda (s) (prin1-to-string s t)) |
1108 | (cdr error) ", ")) | |
f2602864 CY |
1109 | :warning) |
1110 | (setq init-file-had-error t)))) | |
1111 | ||
1112 | (if (and deactivate-mark transient-mark-mode) | |
9c8b2150 RS |
1113 | (with-current-buffer (window-buffer) |
1114 | (deactivate-mark))) | |
1115 | ||
d5bd2558 GM |
1116 | ;; If the user has a file of abbrevs, read it (unless -batch). |
1117 | (when (and (not noninteractive) | |
1118 | (file-exists-p abbrev-file-name) | |
2863a9be | 1119 | (file-readable-p abbrev-file-name)) |
ac3186fd RS |
1120 | (quietly-read-abbrev-file abbrev-file-name)) |
1121 | ||
70b199c3 RS |
1122 | ;; If the abbrevs came entirely from the init file or the |
1123 | ;; abbrevs file, they do not need saving. | |
1124 | (setq abbrevs-changed nil) | |
1125 | ||
752ef254 GM |
1126 | ;; If we can tell that the init file altered debug-on-error, |
1127 | ;; arrange to preserve the value that it set up. | |
1128 | (or (eq debug-on-error debug-on-error-initial) | |
1129 | (setq debug-on-error-should-be-set t | |
1130 | debug-on-error-from-init-file debug-on-error))) | |
1131 | (if debug-on-error-should-be-set | |
1132 | (setq debug-on-error debug-on-error-from-init-file)) | |
597e2240 GM |
1133 | (unless (or (default-value 'enable-multibyte-characters) |
1134 | (eq orig-enable-multibyte (default-value | |
1135 | 'enable-multibyte-characters))) | |
752ef254 | 1136 | ;; Init file changed to unibyte. Reset existing multibyte |
09e80d9f | 1137 | ;; buffers (probably *scratch*, *Messages*, *Minibuf-0*). |
752ef254 GM |
1138 | ;; Arguably this should only be done if they're free of |
1139 | ;; multibyte characters. | |
e18c18e8 JB |
1140 | (mapc (lambda (buffer) |
1141 | (with-current-buffer buffer | |
1142 | (if enable-multibyte-characters | |
1143 | (set-buffer-multibyte nil)))) | |
1144 | (buffer-list)) | |
752ef254 GM |
1145 | ;; Also re-set the language environment in case it was |
1146 | ;; originally done before unibyte was set and is sensitive to | |
1147 | ;; unibyte (display table, terminal coding system &c). | |
1148 | (set-language-environment current-language-environment))) | |
f1180544 | 1149 | |
752ef254 | 1150 | ;; Do this here in case the init file sets mail-host-address. |
5b88a2c5 | 1151 | (if (equal user-mail-address "") |
cee0c996 EZ |
1152 | (setq user-mail-address (or (getenv "EMAIL") |
1153 | (concat (user-login-name) "@" | |
1154 | (or mail-host-address | |
1155 | (system-name)))))) | |
752ef254 GM |
1156 | |
1157 | ;; If parameter have been changed in the init file which influence | |
1158 | ;; face realization, clear the face cache so that new faces will | |
1159 | ;; be realized. | |
1160 | (unless (and (eq scalable-fonts-allowed old-scalable-fonts-allowed) | |
1161 | (eq font-list-limit old-font-list-limit) | |
1162 | (eq face-ignored-fonts old-face-ignored-fonts)) | |
1163 | (clear-face-cache))) | |
f1180544 | 1164 | |
8a500a91 CY |
1165 | ;; If any package directory exists, initialize the package system. |
1166 | (and user-init-file | |
1167 | package-enable-at-startup | |
1168 | (catch 'package-dir-found | |
1169 | (let (dirs) | |
1170 | (if (boundp 'package-directory-list) | |
1171 | (setq dirs package-directory-list) | |
1172 | (dolist (f load-path) | |
1173 | (and (stringp f) | |
1174 | (equal (file-name-nondirectory f) "site-lisp") | |
1175 | (push (expand-file-name "elpa" f) dirs)))) | |
1176 | (push (if (boundp 'package-user-dir) | |
1177 | package-user-dir | |
1178 | (locate-user-emacs-file "elpa")) | |
1179 | dirs) | |
1180 | (dolist (dir dirs) | |
1181 | (when (file-directory-p dir) | |
1182 | (dolist (subdir (directory-files dir)) | |
1183 | (when (and (file-directory-p (expand-file-name subdir dir)) | |
4525ce3e CY |
1184 | (string-match |
1185 | (concat "\\`" package-subdirectory-regexp "\\'") | |
1186 | subdir)) | |
8a500a91 CY |
1187 | (throw 'package-dir-found t))))))) |
1188 | (package-initialize)) | |
44198b6e | 1189 | |
5ab0e67e | 1190 | (setq after-init-time (current-time)) |
e3bd99f5 RM |
1191 | (run-hooks 'after-init-hook) |
1192 | ||
1fc67c11 | 1193 | ;; Decode all default-directory. |
597e2240 | 1194 | (if (and (default-value 'enable-multibyte-characters) locale-coding-system) |
cea927ed KH |
1195 | (save-excursion |
1196 | (dolist (elt (buffer-list)) | |
1197 | (set-buffer elt) | |
1198 | (if default-directory | |
1199 | (setq default-directory | |
1200 | (decode-coding-string default-directory | |
1201 | locale-coding-system t)))) | |
1202 | (setq command-line-default-directory | |
1203 | (decode-coding-string command-line-default-directory | |
1204 | locale-coding-system t)))) | |
1205 | ||
a726e0d1 JB |
1206 | ;; If *scratch* exists and init file didn't change its mode, initialize it. |
1207 | (if (get-buffer "*scratch*") | |
694210c4 | 1208 | (with-current-buffer "*scratch*" |
a726e0d1 | 1209 | (if (eq major-mode 'fundamental-mode) |
26cdce23 | 1210 | (funcall initial-major-mode)))) |
f1180544 | 1211 | |
a726e0d1 JB |
1212 | ;; Load library for our terminal type. |
1213 | ;; User init file can set term-file-prefix to nil to prevent this. | |
bca8c7be | 1214 | (unless (or noninteractive |
cd85984a KL |
1215 | initial-window-system) |
1216 | (tty-run-terminal-initialization (selected-frame))) | |
a726e0d1 | 1217 | |
5777a167 RS |
1218 | ;; Update the out-of-memory error message based on user's key bindings |
1219 | ;; for save-some-buffers. | |
1220 | (setq memory-signal-data | |
1221 | (list 'error | |
1222 | (substitute-command-keys "Memory exhausted--use \\[save-some-buffers] then exit and restart Emacs"))) | |
1223 | ||
03e3c30a | 1224 | ;; Process the remaining args. |
a726e0d1 JB |
1225 | (command-line-1 (cdr command-line-args)) |
1226 | ||
1227 | ;; If -batch, terminate after processing the command options. | |
ca57f55d JD |
1228 | (if noninteractive (kill-emacs t)) |
1229 | ||
7581ba40 RF |
1230 | ;; In daemon mode, start the server to allow clients to connect. |
1231 | ;; This is done after loading the user's init file and after | |
1232 | ;; processing all command line arguments to allow e.g. `server-name' | |
1233 | ;; to be changed before the server starts. | |
4ff029f6 DN |
1234 | (let ((dn (daemonp))) |
1235 | (when dn | |
1236 | (when (stringp dn) (setq server-name dn)) | |
1237 | (server-start) | |
35f372ca JB |
1238 | (if server-process |
1239 | (daemon-initialized) | |
fd95644b DN |
1240 | (if (stringp dn) |
1241 | (message | |
1242 | "Unable to start daemon: Emacs server named %S already running" | |
1243 | server-name) | |
1244 | (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 | 1245 | (kill-emacs 1)))) |
7581ba40 | 1246 | |
ca57f55d JD |
1247 | ;; Run emacs-session-restore (session management) if started by |
1248 | ;; the session manager and we have a session manager connection. | |
bca8c7be MS |
1249 | (if (and (boundp 'x-session-previous-id) |
1250 | (stringp x-session-previous-id)) | |
a99df87d RS |
1251 | (with-no-warnings |
1252 | (emacs-session-restore x-session-previous-id)))) | |
a726e0d1 | 1253 | |
15cd8efd CY |
1254 | (defun x-apply-session-resources () |
1255 | "Apply X resources which specify initial values for Emacs variables. | |
1256 | This is called from a window-system initialization function, such | |
1257 | as `x-initialize-window-system' for X, either at startup (prior | |
1258 | to reading the init file), or afterwards when the user first | |
1259 | opens a graphical frame. | |
1260 | ||
1261 | This can set the values of `menu-bar-mode', `tool-bar-mode', and | |
1262 | `no-blinking-cursor', as well as the `cursor' face. Changed | |
1263 | settings will be marked as \"CHANGED outside of Customize\"." | |
1264 | (let ((no-vals '("no" "off" "false" "0")) | |
1265 | (settings '(("menuBar" "MenuBar" menu-bar-mode nil) | |
1266 | ("toolBar" "ToolBar" tool-bar-mode nil) | |
1267 | ("cursorBlink" "CursorBlink" no-blinking-cursor t)))) | |
1268 | (dolist (x settings) | |
1269 | (if (member (x-get-resource (nth 0 x) (nth 1 x)) no-vals) | |
1270 | (set (nth 2 x) (nth 3 x))))) | |
1271 | (let ((color (x-get-resource "cursorColor" "Foreground"))) | |
1272 | (when color | |
1273 | (put 'cursor 'theme-face | |
1274 | `((changed ((t :background ,color))))) | |
1275 | (put 'cursor 'face-modified t)))) | |
1276 | ||
46cfd295 | 1277 | (defcustom initial-scratch-message (purecopy "\ |
3b79c219 GM |
1278 | ;; This buffer is for notes you don't want to save, and for Lisp evaluation. |
1279 | ;; If you want to create a file, visit that file with C-x C-f, | |
1280 | ;; then enter the text in that file's own buffer. | |
9fe3219e | 1281 | |
46cfd295 | 1282 | ") |
9fe3219e | 1283 | "Initial message displayed in *scratch* buffer at startup. |
9bc6f805 | 1284 | If this is nil, no message will be displayed." |
fa071a47 RS |
1285 | :type '(choice (text :tag "Message") |
1286 | (const :tag "none" nil)) | |
1287 | :group 'initialization) | |
9fe3219e | 1288 | |
ce9ded5d GM |
1289 | \f |
1290 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
1291 | ;;; Fancy splash screen | |
1292 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
1293 | ||
a7610c52 | 1294 | (defconst fancy-startup-text |
fa7c3228 | 1295 | `((:face (variable-pitch font-lock-comment-face) |
22a58255 | 1296 | "Welcome to " |
6e0cfad3 | 1297 | :link ("GNU Emacs" |
9dba2c64 | 1298 | ,(lambda (_button) (browse-url "http://www.gnu.org/software/emacs/")) |
6e0cfad3 | 1299 | "Browse http://www.gnu.org/software/emacs/") |
22a58255 CY |
1300 | ", one component of the " |
1301 | :link | |
9dba2c64 | 1302 | ,(lambda () |
22a58255 | 1303 | (if (eq system-type 'gnu/linux) |
9dba2c64 SM |
1304 | `("GNU/Linux" |
1305 | ,(lambda (_button) (browse-url "http://www.gnu.org/gnu/linux-and-gnu.html")) | |
6e0cfad3 | 1306 | "Browse http://www.gnu.org/gnu/linux-and-gnu.html") |
9dba2c64 | 1307 | `("GNU" ,(lambda (_button) (describe-gnu-project)) |
6e0cfad3 | 1308 | "Display info on the GNU project"))) |
bb398779 | 1309 | " operating system.\n\n" |
ca267291 | 1310 | :face variable-pitch |
9dba2c64 | 1311 | :link ("Emacs Tutorial" ,(lambda (_button) (help-with-tutorial))) |
22a58255 | 1312 | "\tLearn basic keystroke commands" |
9dba2c64 | 1313 | ,(lambda () |
fad930b6 RS |
1314 | (let* ((en "TUTORIAL") |
1315 | (tut (or (get-language-info current-language-environment | |
1316 | 'tutorial) | |
1317 | en)) | |
1318 | (title (with-temp-buffer | |
1319 | (insert-file-contents | |
1320 | (expand-file-name tut tutorial-directory) | |
87ab808f EZ |
1321 | ;; We used to read only the first 256 bytes of |
1322 | ;; the tutorial, but that prevents the coding: | |
1323 | ;; setting, if any, in file-local variables | |
1324 | ;; section to be seen by insert-file-contents, | |
1325 | ;; and results in gibberish when the language | |
1326 | ;; environment's preferred encoding is | |
1327 | ;; different from what the file-local variable | |
1328 | ;; says. One case in point is Hebrew. | |
1329 | nil) | |
fad930b6 RS |
1330 | (search-forward ".") |
1331 | (buffer-substring (point-min) (1- (point)))))) | |
1332 | ;; If there is a specific tutorial for the current language | |
1333 | ;; environment and it is not English, append its title. | |
1334 | (if (string= en tut) | |
1335 | "" | |
1336 | (concat " (" title ")")))) | |
1337 | "\n" | |
fad930b6 | 1338 | :link ("Emacs Guided Tour" |
9dba2c64 SM |
1339 | ,(lambda (_button) |
1340 | (browse-url "http://www.gnu.org/software/emacs/tour/")) | |
6e0cfad3 | 1341 | "Browse http://www.gnu.org/software/emacs/tour/") |
bb398779 | 1342 | "\tOverview of Emacs features at gnu.org\n" |
9dba2c64 | 1343 | :link ("View Emacs Manual" ,(lambda (_button) (info-emacs-manual))) |
490a1ad6 | 1344 | "\tView the Emacs manual using Info\n" |
9dba2c64 | 1345 | :link ("Absence of Warranty" ,(lambda (_button) (describe-no-warranty))) |
fad930b6 | 1346 | "\tGNU Emacs comes with " |
422abbfd | 1347 | :face (variable-pitch (:slant oblique)) |
fad930b6 RS |
1348 | "ABSOLUTELY NO WARRANTY\n" |
1349 | :face variable-pitch | |
9dba2c64 | 1350 | :link ("Copying Conditions" ,(lambda (_button) (describe-copying))) |
fad930b6 | 1351 | "\tConditions for redistributing and changing Emacs\n" |
9dba2c64 | 1352 | :link ("Ordering Manuals" ,(lambda (_button) (view-order-manuals))) |
22a58255 | 1353 | "\tPurchasing printed copies of manuals\n" |
fad930b6 | 1354 | "\n")) |
ce9ded5d GM |
1355 | "A list of texts to show in the middle part of splash screens. |
1356 | Each element in the list should be a list of strings or pairs | |
1357 | `:face FACE', like `fancy-splash-insert' accepts them.") | |
1358 | ||
a7610c52 | 1359 | (defconst fancy-about-text |
91064207 | 1360 | `((:face (variable-pitch font-lock-comment-face) |
22a58255 | 1361 | "This is " |
6e0cfad3 | 1362 | :link ("GNU Emacs" |
9dba2c64 | 1363 | ,(lambda (_button) (browse-url "http://www.gnu.org/software/emacs/")) |
6e0cfad3 | 1364 | "Browse http://www.gnu.org/software/emacs/") |
22a58255 CY |
1365 | ", one component of the " |
1366 | :link | |
9dba2c64 | 1367 | ,(lambda () |
22a58255 | 1368 | (if (eq system-type 'gnu/linux) |
9dba2c64 SM |
1369 | `("GNU/Linux" |
1370 | ,(lambda (_button) | |
1371 | (browse-url "http://www.gnu.org/gnu/linux-and-gnu.html")) | |
6e0cfad3 | 1372 | "Browse http://www.gnu.org/gnu/linux-and-gnu.html") |
9dba2c64 | 1373 | `("GNU" ,(lambda (_button) (describe-gnu-project)) |
6e0cfad3 | 1374 | "Display info on the GNU project."))) |
22a58255 | 1375 | " operating system.\n" |
fa7c3228 | 1376 | :face (variable-pitch font-lock-builtin-face) |
22a58255 | 1377 | "\n" |
9dba2c64 | 1378 | ,(lambda () (emacs-version)) |
22a58255 | 1379 | "\n" |
245a7698 | 1380 | :face (variable-pitch (:height 0.8)) |
9dba2c64 | 1381 | ,(lambda () emacs-copyright) |
22a58255 CY |
1382 | "\n\n" |
1383 | :face variable-pitch | |
490a1ad6 | 1384 | :link ("Authors" |
9dba2c64 | 1385 | ,(lambda (_button) |
490a1ad6 JL |
1386 | (view-file (expand-file-name "AUTHORS" data-directory)) |
1387 | (goto-char (point-min)))) | |
1388 | "\tMany people have contributed code included in GNU Emacs\n" | |
1389 | :link ("Contributing" | |
9dba2c64 | 1390 | ,(lambda (_button) |
490a1ad6 JL |
1391 | (view-file (expand-file-name "CONTRIBUTE" data-directory)) |
1392 | (goto-char (point-min)))) | |
1393 | "\tHow to contribute improvements to Emacs\n" | |
1394 | "\n" | |
9dba2c64 | 1395 | :link ("GNU and Freedom" ,(lambda (_button) (describe-gnu-project))) |
fad930b6 | 1396 | "\tWhy we developed GNU Emacs, and the GNU operating system\n" |
9dba2c64 | 1397 | :link ("Absence of Warranty" ,(lambda (_button) (describe-no-warranty))) |
fad930b6 | 1398 | "\tGNU Emacs comes with " |
422abbfd | 1399 | :face (variable-pitch (:slant oblique)) |
fad930b6 RS |
1400 | "ABSOLUTELY NO WARRANTY\n" |
1401 | :face variable-pitch | |
9dba2c64 | 1402 | :link ("Copying Conditions" ,(lambda (_button) (describe-copying))) |
fad930b6 | 1403 | "\tConditions for redistributing and changing Emacs\n" |
9dba2c64 | 1404 | :link ("Getting New Versions" ,(lambda (_button) (describe-distribution))) |
fad930b6 | 1405 | "\tHow to obtain the latest version of Emacs\n" |
9dba2c64 | 1406 | :link ("Ordering Manuals" ,(lambda (_button) (view-order-manuals))) |
1cff9ad1 | 1407 | "\tBuying printed manuals from the FSF\n" |
fad930b6 | 1408 | "\n" |
9dba2c64 | 1409 | :link ("Emacs Tutorial" ,(lambda (_button) (help-with-tutorial))) |
fad930b6 | 1410 | "\tLearn basic Emacs keystroke commands" |
9dba2c64 | 1411 | ,(lambda () |
fad930b6 RS |
1412 | (let* ((en "TUTORIAL") |
1413 | (tut (or (get-language-info current-language-environment | |
1414 | 'tutorial) | |
1415 | en)) | |
1416 | (title (with-temp-buffer | |
1417 | (insert-file-contents | |
1418 | (expand-file-name tut tutorial-directory) | |
1419 | nil 0 256) | |
1420 | (search-forward ".") | |
1421 | (buffer-substring (point-min) (1- (point)))))) | |
1422 | ;; If there is a specific tutorial for the current language | |
1423 | ;; environment and it is not English, append its title. | |
1424 | (if (string= en tut) | |
1425 | "" | |
1426 | (concat " (" title ")")))) | |
1427 | "\n" | |
1428 | :link ("Emacs Guided Tour" | |
9dba2c64 SM |
1429 | ,(lambda (_button) |
1430 | (browse-url "http://www.gnu.org/software/emacs/tour/")) | |
6e0cfad3 | 1431 | "Browse http://www.gnu.org/software/emacs/tour/") |
fa7c3228 | 1432 | "\tSee an overview of Emacs features at gnu.org")) |
1d865f15 JL |
1433 | "A list of texts to show in the middle part of the About screen. |
1434 | Each element in the list should be a list of strings or pairs | |
1435 | `:face FACE', like `fancy-splash-insert' accepts them.") | |
1436 | ||
ce9ded5d | 1437 | |
fb275c02 | 1438 | (defgroup fancy-splash-screen () |
a01bb1db | 1439 | "Fancy splash screen when Emacs starts." |
fb275c02 | 1440 | :version "21.1" |
a01bb1db GM |
1441 | :group 'initialization) |
1442 | ||
8ad8561b | 1443 | (defcustom fancy-splash-image nil |
ea6c930a | 1444 | "The image to show in the splash screens, or nil for defaults." |
a01bb1db | 1445 | :group 'fancy-splash-screen |
8ad8561b GM |
1446 | :type '(choice (const :tag "Default" nil) |
1447 | (file :tag "File"))) | |
ce9ded5d GM |
1448 | |
1449 | ||
aeb6faec | 1450 | (defvar splash-screen-keymap |
26cdce23 JL |
1451 | (let ((map (make-sparse-keymap))) |
1452 | (suppress-keymap map) | |
1453 | (set-keymap-parent map button-buffer-map) | |
ce3cefcc CY |
1454 | (define-key map "\C-?" 'scroll-down-command) |
1455 | (define-key map " " 'scroll-up-command) | |
aeb6faec | 1456 | (define-key map "q" 'exit-splash-screen) |
26cdce23 JL |
1457 | map) |
1458 | "Keymap for splash screen buffer.") | |
1459 | ||
f645586f GM |
1460 | ;; These are temporary storage areas for the splash screen display. |
1461 | ||
ce9ded5d GM |
1462 | (defun fancy-splash-insert (&rest args) |
1463 | "Insert text into the current buffer, with faces. | |
22a58255 CY |
1464 | Arguments from ARGS should be either strings; functions called |
1465 | with no args that return a string; pairs `:face FACE', where FACE | |
1466 | is a face specification usable with `put-text-property'; or pairs | |
1467 | `:link LINK' where LINK is a list of arguments to pass to | |
6e0cfad3 JL |
1468 | `insert-button', of the form (LABEL ACTION [HELP-ECHO]), which |
1469 | specifies the button's label, `action' property and help-echo string. | |
1470 | FACE and LINK can also be functions, which are evaluated to obtain | |
1471 | a face or button specification." | |
ce9ded5d GM |
1472 | (let ((current-face nil)) |
1473 | (while args | |
26cdce23 | 1474 | (cond ((eq (car args) :face) |
22a58255 CY |
1475 | (setq args (cdr args) current-face (car args)) |
1476 | (if (functionp current-face) | |
1477 | (setq current-face (funcall current-face)))) | |
26cdce23 JL |
1478 | ((eq (car args) :link) |
1479 | (setq args (cdr args)) | |
1480 | (let ((spec (car args))) | |
22a58255 CY |
1481 | (if (functionp spec) |
1482 | (setq spec (funcall spec))) | |
26cdce23 JL |
1483 | (insert-button (car spec) |
1484 | 'face (list 'link current-face) | |
1485 | 'action (cadr spec) | |
6e0cfad3 JL |
1486 | 'help-echo (concat "mouse-2, RET: " |
1487 | (or (nth 2 spec) | |
1488 | "Follow this link")) | |
26cdce23 JL |
1489 | 'follow-link t))) |
1490 | (t (insert (propertize (let ((it (car args))) | |
1491 | (if (functionp it) | |
1492 | (funcall it) | |
1493 | it)) | |
1494 | 'face current-face | |
d4a629de | 1495 | 'help-echo (startup-echo-area-message))))) |
ce9ded5d GM |
1496 | (setq args (cdr args))))) |
1497 | ||
aa360da1 | 1498 | (declare-function image-size "image.c" (spec &optional pixels frame)) |
ce9ded5d GM |
1499 | |
1500 | (defun fancy-splash-head () | |
1501 | "Insert the head part of the splash screen into the current buffer." | |
51e8cfdd GM |
1502 | (let* ((image-file (cond ((stringp fancy-splash-image) |
1503 | fancy-splash-image) | |
68548459 | 1504 | ((display-color-p) |
555b0992 JB |
1505 | (cond ((<= (display-planes) 8) |
1506 | (if (image-type-available-p 'xpm) | |
1507 | "splash.xpm" | |
1508 | "splash.pbm")) | |
a6674402 CY |
1509 | ((or (image-type-available-p 'svg) |
1510 | (image-type-available-p 'imagemagick)) | |
68548459 JB |
1511 | "splash.svg") |
1512 | ((image-type-available-p 'png) | |
1513 | "splash.png") | |
1514 | ((image-type-available-p 'xpm) | |
555b0992 JB |
1515 | "splash.xpm") |
1516 | (t "splash.pbm"))) | |
68548459 | 1517 | (t "splash.pbm"))) |
51e8cfdd | 1518 | (img (create-image image-file)) |
ce9ded5d GM |
1519 | (image-width (and img (car (image-size img)))) |
1520 | (window-width (window-width (selected-window)))) | |
1521 | (when img | |
1522 | (when (> window-width image-width) | |
f645586f | 1523 | ;; Center the image in the window. |
6b61353c KH |
1524 | (insert (propertize " " 'display |
1525 | `(space :align-to (+ center (-0.5 . ,img))))) | |
f645586f | 1526 | |
e7f3afa9 MB |
1527 | ;; Change the color of the XPM version of the splash image |
1528 | ;; so that it is visible with a dark frame background. | |
1529 | (when (and (memq 'xpm img) | |
1530 | (eq (frame-parameter nil 'background-mode) 'dark)) | |
1531 | (setq img (append img '(:color-symbols (("#000000" . "gray30")))))) | |
1532 | ||
aeb6faec JL |
1533 | ;; Insert the image with a help-echo and a link. |
1534 | (make-button (prog1 (point) (insert-image img)) (point) | |
1535 | 'face 'default | |
6e0cfad3 | 1536 | 'help-echo "mouse-2, RET: Browse http://www.gnu.org/" |
06788a55 | 1537 | 'action (lambda (_button) (browse-url "http://www.gnu.org/")) |
aeb6faec | 1538 | 'follow-link t) |
22a58255 CY |
1539 | (insert "\n\n"))))) |
1540 | ||
1cff9ad1 | 1541 | (defun fancy-startup-tail (&optional concise) |
ce9ded5d | 1542 | "Insert the tail part of the splash screen into the current buffer." |
fa7c3228 | 1543 | (unless concise |
bb398779 | 1544 | (fancy-splash-insert |
fa7c3228 CY |
1545 | :face 'variable-pitch |
1546 | "\nTo start... " | |
1547 | :link `("Open a File" | |
1548 | ,(lambda (_button) (call-interactively 'find-file)) | |
1549 | "Specify a new file's name, to edit the file") | |
1550 | " " | |
1551 | :link `("Open Home Directory" | |
1552 | ,(lambda (_button) (dired "~")) | |
1553 | "Open your home directory, to operate on its files") | |
1554 | " " | |
1555 | :link `("Customize Startup" | |
1556 | ,(lambda (_button) (customize-group 'initialization)) | |
1557 | "Change initialization settings including this screen") | |
1558 | "\n")) | |
1559 | (fancy-splash-insert | |
1560 | :face 'variable-pitch "To quit a partially entered command, type " | |
1561 | :face 'default "Control-g" | |
1562 | :face 'variable-pitch ".\n") | |
1563 | (fancy-splash-insert :face `(variable-pitch font-lock-builtin-face) | |
1564 | "\nThis is " | |
1565 | (emacs-version) | |
1566 | "\n" | |
1567 | :face '(variable-pitch (:height 0.8)) | |
1568 | emacs-copyright | |
1569 | "\n") | |
1570 | (and auto-save-list-file-prefix | |
1571 | ;; Don't signal an error if the | |
1572 | ;; directory for auto-save-list files | |
1573 | ;; does not yet exist. | |
1574 | (file-directory-p (file-name-directory | |
1575 | auto-save-list-file-prefix)) | |
1576 | (directory-files | |
1577 | (file-name-directory auto-save-list-file-prefix) | |
1578 | nil | |
1579 | (concat "\\`" | |
1580 | (regexp-quote (file-name-nondirectory | |
1581 | auto-save-list-file-prefix))) | |
1582 | t) | |
1583 | (fancy-splash-insert :face '(variable-pitch font-lock-comment-face) | |
1584 | "\nIf an Emacs session crashed recently, " | |
1585 | "type " | |
1586 | :face '(fixed-pitch font-lock-comment-face) | |
1587 | "Meta-x recover-session RET" | |
1588 | :face '(variable-pitch font-lock-comment-face) | |
1589 | "\nto recover" | |
1590 | " the files you were editing.")) | |
1591 | ||
1592 | (when concise | |
1593 | (fancy-splash-insert | |
1594 | :face 'variable-pitch "\n" | |
1595 | :link `("Dismiss this startup screen" | |
1596 | ,(lambda (_button) | |
1597 | (when startup-screen-inhibit-startup-screen | |
1598 | (customize-set-variable 'inhibit-startup-screen t) | |
1599 | (customize-mark-to-save 'inhibit-startup-screen) | |
1600 | (custom-save-all)) | |
1601 | (let ((w (get-buffer-window "*GNU Emacs*"))) | |
1602 | (and w (not (one-window-p)) (delete-window w))) | |
1603 | (kill-buffer "*GNU Emacs*"))) | |
1604 | " ") | |
1605 | (when (or user-init-file custom-file) | |
1606 | (let ((checked (create-image "checked.xpm" | |
1607 | nil nil :ascent 'center)) | |
1608 | (unchecked (create-image "unchecked.xpm" | |
1609 | nil nil :ascent 'center))) | |
1610 | (insert-button | |
1611 | " " | |
1612 | :on-glyph checked | |
1613 | :off-glyph unchecked | |
1614 | 'checked nil 'display unchecked 'follow-link t | |
1615 | 'action (lambda (button) | |
1616 | (if (overlay-get button 'checked) | |
1617 | (progn (overlay-put button 'checked nil) | |
1618 | (overlay-put button 'display | |
1619 | (overlay-get button :off-glyph)) | |
1620 | (setq startup-screen-inhibit-startup-screen | |
1621 | nil)) | |
1622 | (overlay-put button 'checked t) | |
1623 | (overlay-put button 'display | |
1624 | (overlay-get button :on-glyph)) | |
1625 | (setq startup-screen-inhibit-startup-screen t))))) | |
1626 | (fancy-splash-insert :face '(variable-pitch (:height 0.9)) | |
1627 | " Never show it again.")))) | |
f645586f | 1628 | |
aeb6faec | 1629 | (defun exit-splash-screen () |
26cdce23 | 1630 | "Stop displaying the splash screen buffer." |
f645586f | 1631 | (interactive) |
1d865f15 JL |
1632 | (quit-window t)) |
1633 | ||
1cff9ad1 | 1634 | (defun fancy-startup-screen (&optional concise) |
22a58255 | 1635 | "Display fancy startup screen. |
1cff9ad1 JL |
1636 | If CONCISE is non-nil, display a concise version of the |
1637 | splash screen in another window." | |
3d9d55e6 | 1638 | (let ((splash-buffer (get-buffer-create "*GNU Emacs*"))) |
09723615 | 1639 | (with-current-buffer splash-buffer |
3d9d55e6 CY |
1640 | (let ((inhibit-read-only t)) |
1641 | (erase-buffer) | |
4222d0a4 | 1642 | (setq default-directory command-line-default-directory) |
3d9d55e6 CY |
1643 | (make-local-variable 'startup-screen-inhibit-startup-screen) |
1644 | (if pure-space-overflow | |
1645 | (insert pure-space-overflow-message)) | |
1646 | (unless concise | |
1647 | (fancy-splash-head)) | |
1648 | (dolist (text fancy-startup-text) | |
1649 | (apply #'fancy-splash-insert text) | |
1650 | (insert "\n")) | |
1651 | (skip-chars-backward "\n") | |
1652 | (delete-region (point) (point-max)) | |
1653 | (insert "\n") | |
1654 | (fancy-startup-tail concise)) | |
1655 | (use-local-map splash-screen-keymap) | |
1656 | (setq tab-width 22 | |
1657 | buffer-read-only t) | |
1658 | (set-buffer-modified-p nil) | |
1659 | (if (and view-read-only (not view-mode)) | |
1660 | (view-mode-enter nil 'kill-buffer)) | |
09723615 JL |
1661 | (goto-char (point-min)) |
1662 | (forward-line (if concise 2 4))) | |
3d9d55e6 CY |
1663 | (if concise |
1664 | (progn | |
1665 | (display-buffer splash-buffer) | |
1666 | ;; If the splash screen is in a split window, fit it. | |
1667 | (let ((window (get-buffer-window splash-buffer t))) | |
1668 | (or (null window) | |
1669 | (eq window (selected-window)) | |
1670 | (eq window (next-window window)) | |
1671 | (fit-window-to-buffer window)))) | |
1672 | (switch-to-buffer splash-buffer)))) | |
22a58255 CY |
1673 | |
1674 | (defun fancy-about-screen () | |
1675 | "Display fancy About screen." | |
1676 | (let ((frame (fancy-splash-frame))) | |
1677 | (save-selected-window | |
1678 | (select-frame frame) | |
1679 | (switch-to-buffer "*About GNU Emacs*") | |
6a639b16 | 1680 | (setq buffer-undo-list t) |
22a58255 CY |
1681 | (let ((inhibit-read-only t)) |
1682 | (erase-buffer) | |
1683 | (if pure-space-overflow | |
1684 | (insert pure-space-overflow-message)) | |
1685 | (fancy-splash-head) | |
1686 | (dolist (text fancy-about-text) | |
1687 | (apply #'fancy-splash-insert text) | |
1688 | (insert "\n")) | |
22a58255 CY |
1689 | (set-buffer-modified-p nil) |
1690 | (goto-char (point-min)) | |
1691 | (force-mode-line-update)) | |
aeb6faec | 1692 | (use-local-map splash-screen-keymap) |
cb3fe757 | 1693 | (setq tab-width 22) |
22a58255 | 1694 | (message "%s" (startup-echo-area-message)) |
08326816 | 1695 | (setq buffer-read-only t) |
09723615 JL |
1696 | (goto-char (point-min)) |
1697 | (forward-line 3)))) | |
6b20fb8e RS |
1698 | |
1699 | (defun fancy-splash-frame () | |
1700 | "Return the frame to use for the fancy splash screen. | |
1701 | Returning non-nil does not mean we should necessarily | |
1702 | use the fancy splash screen, but if we do use it, | |
1703 | we put it on this frame." | |
1704 | (let (chosen-frame) | |
3a321ddb | 1705 | (dolist (frame (append (frame-list) (list (selected-frame)))) |
6b20fb8e RS |
1706 | (if (and (frame-visible-p frame) |
1707 | (not (window-minibuffer-p (frame-selected-window frame)))) | |
1708 | (setq chosen-frame frame))) | |
1709 | chosen-frame)) | |
f645586f | 1710 | |
285991dc GM |
1711 | (defun use-fancy-splash-screens-p () |
1712 | "Return t if fancy splash screens should be used." | |
6b61353c KH |
1713 | (when (and (display-graphic-p) |
1714 | (or (and (display-color-p) | |
285991dc | 1715 | (image-type-available-p 'xpm)) |
6b61353c | 1716 | (image-type-available-p 'pbm))) |
16d2fae9 JPW |
1717 | (let ((frame (fancy-splash-frame))) |
1718 | (when frame | |
1719 | (let* ((img (create-image (or fancy-splash-image | |
1720 | (if (and (display-color-p) | |
1721 | (image-type-available-p 'xpm)) | |
1722 | "splash.xpm" "splash.pbm")))) | |
a68ccb40 RS |
1723 | (image-height (and img (cdr (image-size img nil frame)))) |
1724 | ;; We test frame-height so that, if the frame is split | |
1725 | ;; by displaying a warning, that doesn't cause the normal | |
1726 | ;; splash screen to be used. | |
1727 | (frame-height (1- (frame-height frame)))) | |
1728 | (> frame-height (+ image-height 19))))))) | |
285991dc GM |
1729 | |
1730 | ||
79b1c79c | 1731 | (defun normal-splash-screen (&optional startup concise) |
1d865f15 JL |
1732 | "Display non-graphic splash screen. |
1733 | If optional argument STARTUP is non-nil, display the startup screen | |
79b1c79c JL |
1734 | after Emacs starts. If STARTUP is nil, display the About screen. |
1735 | If CONCISE is non-nil, display a concise version of the | |
1736 | splash screen in another window." | |
1737 | (let ((splash-buffer (get-buffer-create "*About GNU Emacs*"))) | |
1738 | (with-current-buffer splash-buffer | |
1d865f15 JL |
1739 | (setq buffer-read-only nil) |
1740 | (erase-buffer) | |
4222d0a4 | 1741 | (setq default-directory command-line-default-directory) |
1d865f15 | 1742 | (set (make-local-variable 'tab-width) 8) |
1d865f15 JL |
1743 | |
1744 | (if pure-space-overflow | |
22a58255 | 1745 | (insert pure-space-overflow-message)) |
260a5020 | 1746 | |
1d865f15 JL |
1747 | ;; The convention for this piece of code is that |
1748 | ;; each piece of output starts with one or two newlines | |
1749 | ;; and does not end with any newlines. | |
22a58255 | 1750 | (insert (if startup "Welcome to GNU Emacs" "This is GNU Emacs")) |
1d865f15 JL |
1751 | (insert |
1752 | (if (eq system-type 'gnu/linux) | |
1753 | ", one component of the GNU/Linux operating system.\n" | |
1754 | ", a part of the GNU operating system.\n")) | |
1755 | ||
1756 | (if startup | |
1757 | (if (display-mouse-p) | |
1758 | ;; The user can use the mouse to activate menus | |
1759 | ;; so give help in terms of menu items. | |
fad930b6 | 1760 | (normal-mouse-startup-screen) |
c61453ea | 1761 | |
e349ae3b | 1762 | ;; No mouse menus, so give help using kbd commands. |
fad930b6 | 1763 | (normal-no-mouse-startup-screen)) |
e349ae3b | 1764 | |
fad930b6 | 1765 | (normal-about-screen)) |
1d865f15 JL |
1766 | |
1767 | ;; The rest of the startup screen is the same on all | |
1768 | ;; kinds of terminals. | |
1769 | ||
1770 | ;; Give information on recovering, if there was a crash. | |
1771 | (and startup | |
1772 | auto-save-list-file-prefix | |
1773 | ;; Don't signal an error if the | |
1774 | ;; directory for auto-save-list files | |
1775 | ;; does not yet exist. | |
1776 | (file-directory-p (file-name-directory | |
1777 | auto-save-list-file-prefix)) | |
1778 | (directory-files | |
1779 | (file-name-directory auto-save-list-file-prefix) | |
1780 | nil | |
1781 | (concat "\\`" | |
1782 | (regexp-quote (file-name-nondirectory | |
1783 | auto-save-list-file-prefix))) | |
1784 | t) | |
1785 | (insert "\n\nIf an Emacs session crashed recently, " | |
1786 | "type Meta-x recover-session RET\nto recover" | |
1787 | " the files you were editing.\n")) | |
26cdce23 | 1788 | |
1d865f15 | 1789 | (use-local-map splash-screen-keymap) |
e349ae3b | 1790 | |
1d865f15 JL |
1791 | ;; Display the input that we set up in the buffer. |
1792 | (set-buffer-modified-p nil) | |
1793 | (setq buffer-read-only t) | |
1794 | (if (and view-read-only (not view-mode)) | |
1795 | (view-mode-enter nil 'kill-buffer)) | |
1d865f15 | 1796 | (if startup (rename-buffer "*GNU Emacs*" t)) |
79b1c79c JL |
1797 | (goto-char (point-min))) |
1798 | (if concise | |
1799 | (display-buffer splash-buffer) | |
1800 | (switch-to-buffer splash-buffer)))) | |
82e736c1 | 1801 | |
fad930b6 RS |
1802 | (defun normal-mouse-startup-screen () |
1803 | ;; The user can use the mouse to activate menus | |
1804 | ;; so give help in terms of menu items. | |
1805 | (insert "\ | |
09723615 | 1806 | To follow a link, click Mouse-1 on it, or move to it and type RET. |
26cdce23 JL |
1807 | To quit a partially entered command, type Control-g.\n") |
1808 | ||
fad930b6 RS |
1809 | (insert "\nImportant Help menu items:\n") |
1810 | (insert-button "Emacs Tutorial" | |
06788a55 | 1811 | 'action (lambda (_button) (help-with-tutorial)) |
fad930b6 RS |
1812 | 'follow-link t) |
1813 | (insert "\t\tLearn basic Emacs keystroke commands\n") | |
1814 | (insert-button "Read the Emacs Manual" | |
06788a55 | 1815 | 'action (lambda (_button) (info-emacs-manual)) |
fad930b6 RS |
1816 | 'follow-link t) |
1817 | (insert "\tView the Emacs manual using Info\n") | |
1818 | (insert-button "\(Non)Warranty" | |
06788a55 | 1819 | 'action (lambda (_button) (describe-no-warranty)) |
fad930b6 RS |
1820 | 'follow-link t) |
1821 | (insert "\t\tGNU Emacs comes with ABSOLUTELY NO WARRANTY\n") | |
1822 | (insert-button "Copying Conditions" | |
06788a55 | 1823 | 'action (lambda (_button) (describe-copying)) |
fad930b6 RS |
1824 | 'follow-link t) |
1825 | (insert "\tConditions for redistributing and changing Emacs\n") | |
1826 | (insert-button "More Manuals / Ordering Manuals" | |
06788a55 | 1827 | 'action (lambda (_button) (view-order-manuals)) |
fad930b6 RS |
1828 | 'follow-link t) |
1829 | (insert " How to order printed manuals from the FSF\n") | |
1830 | ||
1831 | (insert "\nUseful tasks:\n") | |
1832 | (insert-button "Visit New File" | |
06788a55 | 1833 | 'action (lambda (_button) (call-interactively 'find-file)) |
fad930b6 RS |
1834 | 'follow-link t) |
1835 | (insert "\t\tSpecify a new file's name, to edit the file\n") | |
1836 | (insert-button "Open Home Directory" | |
06788a55 | 1837 | 'action (lambda (_button) (dired "~")) |
fad930b6 RS |
1838 | 'follow-link t) |
1839 | (insert "\tOpen your home directory, to operate on its files\n") | |
1840 | (insert-button "Customize Startup" | |
06788a55 | 1841 | 'action (lambda (_button) (customize-group 'initialization)) |
fad930b6 RS |
1842 | 'follow-link t) |
1843 | (insert "\tChange initialization settings including this screen\n") | |
1844 | ||
1845 | (insert "\n" (emacs-version) | |
1846 | "\n" emacs-copyright)) | |
1847 | ||
1848 | ;; No mouse menus, so give help using kbd commands. | |
1849 | (defun normal-no-mouse-startup-screen () | |
1850 | ||
1851 | ;; If keys have their default meanings, | |
1852 | ;; use precomputed string to save lots of time. | |
2aa0e5bf SM |
1853 | (let* ((c-h-accessible |
1854 | ;; If normal-erase-is-backspace is used on a tty, there's | |
1855 | ;; no way to invoke C-h and you have to use F1 instead. | |
1856 | (or (not (char-table-p keyboard-translate-table)) | |
1857 | (eq (aref keyboard-translate-table ?\C-h) ?\C-h))) | |
1858 | (minor-mode-overriding-map-alist | |
1859 | (cons (cons (not c-h-accessible) | |
1860 | ;; If C-h can't be invoked, temporarily disable its | |
1861 | ;; binding, so where-is uses alternative bindings. | |
1862 | (let ((map (make-sparse-keymap))) | |
1863 | (define-key map [?\C-h] 'undefined) | |
1864 | map)) | |
1865 | minor-mode-overriding-map-alist))) | |
1866 | ||
1867 | (insert (format "\nGet help\t %s\n" | |
1868 | (let ((where (where-is-internal 'help-command nil t))) | |
1869 | (cond | |
1870 | ((equal where [?\C-h]) | |
1871 | "C-h (Hold down CTRL and press h)") | |
1872 | (where (key-description where)) | |
1873 | (t "M-x help"))))) | |
1874 | (insert-button "Emacs manual" | |
06788a55 | 1875 | 'action (lambda (_button) (info-emacs-manual)) |
2aa0e5bf SM |
1876 | 'follow-link t) |
1877 | (insert (substitute-command-keys"\t \\[info-emacs-manual]\t")) | |
1878 | (insert-button "Browse manuals" | |
06788a55 | 1879 | 'action (lambda (_button) (Info-directory)) |
2aa0e5bf SM |
1880 | 'follow-link t) |
1881 | (insert (substitute-command-keys "\t \\[info]\n")) | |
1882 | (insert-button "Emacs tutorial" | |
06788a55 | 1883 | 'action (lambda (_button) (help-with-tutorial)) |
2aa0e5bf SM |
1884 | 'follow-link t) |
1885 | (insert (substitute-command-keys | |
8cb95edf | 1886 | "\t \\[help-with-tutorial]\tUndo changes\t \\[undo]\n")) |
2aa0e5bf | 1887 | (insert-button "Buy manuals" |
06788a55 | 1888 | 'action (lambda (_button) (view-order-manuals)) |
2aa0e5bf SM |
1889 | 'follow-link t) |
1890 | (insert (substitute-command-keys | |
1891 | "\t \\[view-order-manuals]\tExit Emacs\t \\[save-buffers-kill-terminal]"))) | |
fad930b6 RS |
1892 | |
1893 | ;; Say how to use the menu bar with the keyboard. | |
1894 | (insert "\n") | |
1895 | (insert-button "Activate menubar" | |
06788a55 | 1896 | 'action (lambda (_button) (tmm-menubar)) |
fad930b6 RS |
1897 | 'follow-link t) |
1898 | (if (and (eq (key-binding "\M-`") 'tmm-menubar) | |
1899 | (eq (key-binding [f10]) 'tmm-menubar)) | |
1900 | (insert " F10 or ESC ` or M-`") | |
1901 | (insert (substitute-command-keys " \\[tmm-menubar]"))) | |
1902 | ||
1903 | ;; Many users seem to have problems with these. | |
1904 | (insert " | |
c61453ea PJ |
1905 | \(`C-' means use the CTRL key. `M-' means use the Meta (or Alt) key. |
1906 | If you have no Meta key, you may instead type ESC followed by the character.)") | |
1907 | ||
fad930b6 RS |
1908 | ;; Insert links to useful tasks |
1909 | (insert "\nUseful tasks:\n") | |
1910 | ||
1911 | (insert-button "Visit New File" | |
06788a55 | 1912 | 'action (lambda (_button) (call-interactively 'find-file)) |
fad930b6 RS |
1913 | 'follow-link t) |
1914 | (insert "\t\t\t") | |
1915 | (insert-button "Open Home Directory" | |
06788a55 | 1916 | 'action (lambda (_button) (dired "~")) |
fad930b6 RS |
1917 | 'follow-link t) |
1918 | (insert "\n") | |
1919 | ||
1920 | (insert-button "Customize Startup" | |
06788a55 | 1921 | 'action (lambda (_button) (customize-group 'initialization)) |
fad930b6 RS |
1922 | 'follow-link t) |
1923 | (insert "\t\t") | |
1924 | (insert-button "Open *scratch* buffer" | |
06788a55 SM |
1925 | 'action (lambda (_button) (switch-to-buffer |
1926 | (get-buffer-create "*scratch*"))) | |
fad930b6 RS |
1927 | 'follow-link t) |
1928 | (insert "\n") | |
1929 | (insert "\n" (emacs-version) "\n" emacs-copyright "\n") | |
1930 | ||
1931 | (if (and (eq (key-binding "\C-h\C-c") 'describe-copying) | |
1932 | (eq (key-binding "\C-h\C-d") 'describe-distribution) | |
1933 | (eq (key-binding "\C-h\C-w") 'describe-no-warranty)) | |
1934 | (progn | |
1935 | (insert | |
490a1ad6 | 1936 | " |
cd6ab24f | 1937 | GNU Emacs comes with ABSOLUTELY NO WARRANTY; type C-h C-w for ") |
fad930b6 | 1938 | (insert-button "full details" |
9dba2c64 | 1939 | 'action (lambda (_button) (describe-no-warranty)) |
fad930b6 RS |
1940 | 'follow-link t) |
1941 | (insert ". | |
c61453ea | 1942 | Emacs is Free Software--Free as in Freedom--so you can redistribute copies |
cd6ab24f | 1943 | of Emacs and modify it; type C-h C-c to see ") |
fad930b6 | 1944 | (insert-button "the conditions" |
9dba2c64 | 1945 | 'action (lambda (_button) (describe-copying)) |
fad930b6 RS |
1946 | 'follow-link t) |
1947 | (insert ". | |
cd6ab24f | 1948 | Type C-h C-d for information on ") |
fad930b6 | 1949 | (insert-button "getting the latest version" |
9dba2c64 | 1950 | 'action (lambda (_button) (describe-distribution)) |
fad930b6 RS |
1951 | 'follow-link t) |
1952 | (insert ".")) | |
1953 | (insert (substitute-command-keys | |
490a1ad6 | 1954 | " |
cd6ab24f | 1955 | GNU Emacs comes with ABSOLUTELY NO WARRANTY; type \\[describe-no-warranty] for ")) |
fad930b6 | 1956 | (insert-button "full details" |
9dba2c64 | 1957 | 'action (lambda (_button) (describe-no-warranty)) |
fad930b6 RS |
1958 | 'follow-link t) |
1959 | (insert (substitute-command-keys ". | |
c61453ea | 1960 | Emacs is Free Software--Free as in Freedom--so you can redistribute copies |
cd6ab24f | 1961 | of Emacs and modify it; type \\[describe-copying] to see ")) |
fad930b6 | 1962 | (insert-button "the conditions" |
9dba2c64 | 1963 | 'action (lambda (_button) (describe-copying)) |
fad930b6 RS |
1964 | 'follow-link t) |
1965 | (insert (substitute-command-keys". | |
cd6ab24f | 1966 | Type \\[describe-distribution] for information on ")) |
fad930b6 | 1967 | (insert-button "getting the latest version" |
9dba2c64 | 1968 | 'action (lambda (_button) (describe-distribution)) |
fad930b6 RS |
1969 | 'follow-link t) |
1970 | (insert "."))) | |
1971 | ||
1972 | (defun normal-about-screen () | |
1973 | (insert "\n" (emacs-version) "\n" emacs-copyright "\n\n") | |
1974 | ||
1975 | (insert "To follow a link, click Mouse-1 on it, or move to it and type RET.\n\n") | |
1976 | ||
490a1ad6 JL |
1977 | (insert-button "Authors" |
1978 | 'action | |
06788a55 | 1979 | (lambda (_button) |
490a1ad6 JL |
1980 | (view-file (expand-file-name "AUTHORS" data-directory)) |
1981 | (goto-char (point-min))) | |
1982 | 'follow-link t) | |
1983 | (insert "\t\tMany people have contributed code included in GNU Emacs\n") | |
1984 | ||
1985 | (insert-button "Contributing" | |
1986 | 'action | |
06788a55 | 1987 | (lambda (_button) |
490a1ad6 JL |
1988 | (view-file (expand-file-name "CONTRIBUTE" data-directory)) |
1989 | (goto-char (point-min))) | |
1990 | 'follow-link t) | |
1991 | (insert "\tHow to contribute improvements to Emacs\n\n") | |
1992 | ||
fad930b6 | 1993 | (insert-button "GNU and Freedom" |
06788a55 | 1994 | 'action (lambda (_button) (describe-gnu-project)) |
fad930b6 RS |
1995 | 'follow-link t) |
1996 | (insert "\t\tWhy we developed GNU Emacs and the GNU system\n") | |
1997 | ||
1998 | (insert-button "Absence of Warranty" | |
06788a55 | 1999 | 'action (lambda (_button) (describe-no-warranty)) |
fad930b6 RS |
2000 | 'follow-link t) |
2001 | (insert "\tGNU Emacs comes with ABSOLUTELY NO WARRANTY\n") | |
2002 | ||
2003 | (insert-button "Copying Conditions" | |
06788a55 | 2004 | 'action (lambda (_button) (describe-copying)) |
fad930b6 RS |
2005 | 'follow-link t) |
2006 | (insert "\tConditions for redistributing and changing Emacs\n") | |
2007 | ||
2008 | (insert-button "Getting New Versions" | |
06788a55 | 2009 | 'action (lambda (_button) (describe-distribution)) |
fad930b6 RS |
2010 | 'follow-link t) |
2011 | (insert "\tHow to get the latest version of GNU Emacs\n") | |
2012 | ||
2013 | (insert-button "More Manuals / Ordering Manuals" | |
06788a55 | 2014 | 'action (lambda (_button) (view-order-manuals)) |
fad930b6 RS |
2015 | 'follow-link t) |
2016 | (insert "\tBuying printed manuals from the FSF\n")) | |
c61453ea | 2017 | |
f645586f | 2018 | (defun startup-echo-area-message () |
2eb92184 CY |
2019 | (cond ((daemonp) |
2020 | "Starting Emacs daemon.") | |
2021 | ((eq (key-binding "\C-h\C-a") 'about-emacs) | |
2022 | "For information about GNU Emacs and the GNU system, type C-h C-a.") | |
2023 | (t | |
2024 | (substitute-command-keys | |
2025 | "For information about GNU Emacs and the GNU system, type \ | |
2026 | \\[about-emacs].")))) | |
ce9ded5d | 2027 | |
49939379 | 2028 | (defun display-startup-echo-area-message () |
15fa6db0 | 2029 | (let ((resize-mini-windows t)) |
8dabbfd6 | 2030 | (or noninteractive ;(input-pending-p) init-file-had-error |
f1be5774 KL |
2031 | ;; t if the init file says to inhibit the echo area startup message. |
2032 | (and inhibit-startup-echo-area-message | |
2033 | user-init-file | |
2034 | (or (and (get 'inhibit-startup-echo-area-message 'saved-value) | |
2035 | (equal inhibit-startup-echo-area-message | |
2036 | (if (equal init-file-user "") | |
2037 | (user-login-name) | |
2038 | init-file-user))) | |
2039 | ;; Wasn't set with custom; see if .emacs has a setq. | |
8dabbfd6 SM |
2040 | (condition-case nil |
2041 | (with-temp-buffer | |
2042 | (insert-file-contents user-init-file) | |
2043 | (re-search-forward | |
2044 | (concat | |
2045 | "([ \t\n]*setq[ \t\n]+" | |
2046 | "inhibit-startup-echo-area-message[ \t\n]+" | |
2047 | (regexp-quote | |
2048 | (prin1-to-string | |
2049 | (if (equal init-file-user "") | |
2050 | (user-login-name) | |
2051 | init-file-user))) | |
2052 | "[ \t\n]*)") | |
2053 | nil t)) | |
2054 | (error nil)))) | |
1d865f15 | 2055 | (message "%s" (startup-echo-area-message))))) |
f645586f | 2056 | |
1cff9ad1 | 2057 | (defun display-startup-screen (&optional concise) |
22a58255 CY |
2058 | "Display startup screen according to display. |
2059 | A fancy display is used on graphic displays, normal otherwise. | |
49939379 | 2060 | |
22a58255 CY |
2061 | If CONCISE is non-nil, display a concise version of the startup |
2062 | screen." | |
526039df | 2063 | ;; Prevent recursive calls from server-process-filter. |
1cff9ad1 | 2064 | (if (not (get-buffer "*GNU Emacs*")) |
526039df | 2065 | (if (use-fancy-splash-screens-p) |
22a58255 | 2066 | (fancy-startup-screen concise) |
79b1c79c | 2067 | (normal-splash-screen t concise)))) |
22a58255 CY |
2068 | |
2069 | (defun display-about-screen () | |
2070 | "Display the *About GNU Emacs* buffer. | |
2071 | A fancy display is used on graphic displays, normal otherwise." | |
2072 | (interactive) | |
6b61353c | 2073 | (if (use-fancy-splash-screens-p) |
1cff9ad1 JL |
2074 | (fancy-about-screen) |
2075 | (normal-splash-screen nil))) | |
c61453ea | 2076 | |
22a58255 | 2077 | (defalias 'about-emacs 'display-about-screen) |
1cff9ad1 | 2078 | (defalias 'display-splash-screen 'display-startup-screen) |
c61453ea | 2079 | |
06788a55 | 2080 | (defun command-line-1 (args-left) |
33da7b16 | 2081 | "A subroutine of `command-line'." |
f1be5774 | 2082 | (display-startup-echo-area-message) |
cb58ea33 RS |
2083 | (when (and pure-space-overflow |
2084 | (not noninteractive)) | |
2085 | (display-warning | |
2086 | 'initialization | |
f2602864 CY |
2087 | "Building Emacs overflowed pure space.\ |
2088 | (See the node Pure Storage in the Lisp manual for details.)" | |
cb58ea33 RS |
2089 | :warning)) |
2090 | ||
22a58255 | 2091 | (let ((file-count 0) |
06788a55 | 2092 | (command-line-args-left args-left) |
22a58255 CY |
2093 | first-file-buffer) |
2094 | (when command-line-args-left | |
2095 | ;; We have command args; process them. | |
06788a55 SM |
2096 | (let ((dir command-line-default-directory) |
2097 | tem | |
22a58255 CY |
2098 | ;; This approach loses for "-batch -L DIR --eval "(require foo)", |
2099 | ;; if foo is intended to be found in DIR. | |
2100 | ;; | |
2101 | ;; ;; The directories listed in --directory/-L options will *appear* | |
2102 | ;; ;; at the front of `load-path' in the order they appear on the | |
2103 | ;; ;; command-line. We cannot do this by *placing* them at the front | |
2104 | ;; ;; in the order they appear, so we need this variable to hold them, | |
2105 | ;; ;; temporarily. | |
2106 | ;; extra-load-path | |
2107 | ;; | |
2108 | ;; To DTRT we keep track of the splice point and modify `load-path' | |
2109 | ;; straight away upon any --directory/-L option. | |
2110 | splice | |
2111 | just-files ;; t if this follows the magic -- option. | |
2112 | ;; This includes our standard options' long versions | |
2113 | ;; and long versions of what's on command-switch-alist. | |
2114 | (longopts | |
2aa0e5bf SM |
2115 | (append '("--funcall" "--load" "--insert" "--kill" |
2116 | "--directory" "--eval" "--execute" "--no-splash" | |
2117 | "--find-file" "--visit" "--file" "--no-desktop") | |
2118 | (mapcar (lambda (elt) (concat "-" (car elt))) | |
22a58255 | 2119 | command-switch-alist))) |
06788a55 SM |
2120 | (line 0) |
2121 | (column 0)) | |
22a58255 CY |
2122 | |
2123 | ;; Add the long X options to longopts. | |
4f6cc6b5 GM |
2124 | (dolist (tem command-line-x-option-alist) |
2125 | (if (string-match "^--" (car tem)) | |
2126 | (push (car tem) longopts))) | |
22a58255 | 2127 | |
122e9f8f | 2128 | ;; Add the long NS options to longopts. |
4f6cc6b5 GM |
2129 | (dolist (tem command-line-ns-option-alist) |
2130 | (if (string-match "^--" (car tem)) | |
2131 | (push (list (car tem)) longopts))) | |
edfda783 | 2132 | |
22a58255 CY |
2133 | ;; Loop, processing options. |
2134 | (while command-line-args-left | |
2135 | (let* ((argi (car command-line-args-left)) | |
2136 | (orig-argi argi) | |
2137 | argval completion) | |
2138 | (setq command-line-args-left (cdr command-line-args-left)) | |
2139 | ||
2140 | ;; Do preliminary decoding of the option. | |
2141 | (if just-files | |
2142 | ;; After --, don't look for options; treat all args as files. | |
2143 | (setq argi "") | |
2144 | ;; Convert long options to ordinary options | |
2145 | ;; and separate out an attached option argument into argval. | |
7b704afe | 2146 | (when (string-match "\\`\\(--[^=]*\\)=" argi) |
22a58255 CY |
2147 | (setq argval (substring argi (match-end 0)) |
2148 | argi (match-string 1 argi))) | |
ce3a988d | 2149 | (when (string-match "\\`--?[^-]" orig-argi) |
7b704afe AS |
2150 | (setq completion (try-completion argi longopts)) |
2151 | (if (eq completion t) | |
2152 | (setq argi (substring argi 1)) | |
2153 | (if (stringp completion) | |
2aa0e5bf | 2154 | (let ((elt (member completion longopts))) |
7b704afe AS |
2155 | (or elt |
2156 | (error "Option `%s' is ambiguous" argi)) | |
2157 | (setq argi (substring (car elt) 1))) | |
2158 | (setq argval nil | |
2159 | argi orig-argi))))) | |
22a58255 CY |
2160 | |
2161 | ;; Execute the option. | |
06788a55 | 2162 | (cond ((setq tem (assoc argi command-switch-alist)) |
22a58255 CY |
2163 | (if argval |
2164 | (let ((command-line-args-left | |
2165 | (cons argval command-line-args-left))) | |
06788a55 SM |
2166 | (funcall (cdr tem) argi)) |
2167 | (funcall (cdr tem) argi))) | |
22a58255 CY |
2168 | |
2169 | ((equal argi "-no-splash") | |
1cff9ad1 | 2170 | (setq inhibit-startup-screen t)) |
22a58255 CY |
2171 | |
2172 | ((member argi '("-f" ; what the manual claims | |
2173 | "-funcall" | |
2174 | "-e")) ; what the source used to say | |
1cff9ad1 | 2175 | (setq inhibit-startup-screen t) |
06788a55 SM |
2176 | (setq tem (intern (or argval (pop command-line-args-left)))) |
2177 | (if (commandp tem) | |
2178 | (command-execute tem) | |
2179 | (funcall tem))) | |
22a58255 CY |
2180 | |
2181 | ((member argi '("-eval" "-execute")) | |
1cff9ad1 | 2182 | (setq inhibit-startup-screen t) |
22a58255 CY |
2183 | (eval (read (or argval (pop command-line-args-left))))) |
2184 | ||
2185 | ((member argi '("-L" "-directory")) | |
06788a55 | 2186 | (setq tem (expand-file-name |
22a58255 CY |
2187 | (command-line-normalize-file-name |
2188 | (or argval (pop command-line-args-left))))) | |
06788a55 | 2189 | (cond (splice (setcdr splice (cons tem (cdr splice))) |
22a58255 | 2190 | (setq splice (cdr splice))) |
06788a55 | 2191 | (t (setq load-path (cons tem load-path) |
22a58255 CY |
2192 | splice load-path)))) |
2193 | ||
2194 | ((member argi '("-l" "-load")) | |
2195 | (let* ((file (command-line-normalize-file-name | |
2196 | (or argval (pop command-line-args-left)))) | |
2197 | ;; Take file from default dir if it exists there; | |
2198 | ;; otherwise let `load' search for it. | |
2199 | (file-ex (expand-file-name file))) | |
2200 | (when (file-exists-p file-ex) | |
2201 | (setq file file-ex)) | |
2202 | (load file nil t))) | |
2203 | ||
2204 | ;; This is used to handle -script. It's not clear | |
f71d844b | 2205 | ;; we need to document it (it is totally internal). |
1d1100d7 | 2206 | ((member argi '("-scriptload")) |
22a58255 CY |
2207 | (let* ((file (command-line-normalize-file-name |
2208 | (or argval (pop command-line-args-left)))) | |
2209 | ;; Take file from default dir. | |
2210 | (file-ex (expand-file-name file))) | |
2211 | (load file-ex nil t t))) | |
2212 | ||
2213 | ((equal argi "-insert") | |
1cff9ad1 | 2214 | (setq inhibit-startup-screen t) |
06788a55 SM |
2215 | (setq tem (or argval (pop command-line-args-left))) |
2216 | (or (stringp tem) | |
22a58255 | 2217 | (error "File name omitted from `-insert' option")) |
06788a55 | 2218 | (insert-file-contents (command-line-normalize-file-name tem))) |
22a58255 CY |
2219 | |
2220 | ((equal argi "-kill") | |
2221 | (kill-emacs t)) | |
2222 | ||
2223 | ;; This is for when they use --no-desktop with -q, or | |
2224 | ;; don't load Desktop in their .emacs. If desktop.el | |
2225 | ;; _is_ loaded, it will handle this switch, and we | |
2226 | ;; won't see it by the time we get here. | |
2227 | ((equal argi "-no-desktop") | |
2228 | (message "\"--no-desktop\" ignored because the Desktop package is not loaded")) | |
2229 | ||
2230 | ((string-match "^\\+[0-9]+\\'" argi) | |
06788a55 | 2231 | (setq line (string-to-number argi))) |
22a58255 CY |
2232 | |
2233 | ((string-match "^\\+\\([0-9]+\\):\\([0-9]+\\)\\'" argi) | |
06788a55 SM |
2234 | (setq line (string-to-number (match-string 1 argi)) |
2235 | column (string-to-number (match-string 2 argi)))) | |
22a58255 | 2236 | |
06788a55 | 2237 | ((setq tem (assoc orig-argi command-line-x-option-alist)) |
22a58255 CY |
2238 | ;; Ignore X-windows options and their args if not using X. |
2239 | (setq command-line-args-left | |
06788a55 | 2240 | (nthcdr (nth 1 tem) command-line-args-left))) |
22a58255 | 2241 | |
06788a55 | 2242 | ((setq tem (assoc orig-argi command-line-ns-option-alist)) |
3000e3f4 DN |
2243 | ;; Ignore NS-windows options and their args if not using NS. |
2244 | (setq command-line-args-left | |
06788a55 | 2245 | (nthcdr (nth 1 tem) command-line-args-left))) |
edfda783 | 2246 | |
22a58255 | 2247 | ((member argi '("-find-file" "-file" "-visit")) |
1cff9ad1 | 2248 | (setq inhibit-startup-screen t) |
22a58255 | 2249 | ;; An explicit option to specify visiting a file. |
06788a55 SM |
2250 | (setq tem (or argval (pop command-line-args-left))) |
2251 | (unless (stringp tem) | |
22a58255 CY |
2252 | (error "File name omitted from `%s' option" argi)) |
2253 | (setq file-count (1+ file-count)) | |
2254 | (let ((file (expand-file-name | |
06788a55 SM |
2255 | (command-line-normalize-file-name tem) |
2256 | dir))) | |
22a58255 CY |
2257 | (if (= file-count 1) |
2258 | (setq first-file-buffer (find-file file)) | |
2259 | (find-file-other-window file))) | |
06788a55 | 2260 | (unless (zerop line) |
e6ce8c42 | 2261 | (goto-char (point-min)) |
06788a55 SM |
2262 | (forward-line (1- line))) |
2263 | (setq line 0) | |
2264 | (unless (< column 1) | |
2265 | (move-to-column (1- column))) | |
2266 | (setq column 0)) | |
22a58255 | 2267 | |
198a7a97 CY |
2268 | ;; These command lines now have no effect. |
2269 | ((string-match "\\`--?\\(no-\\)?\\(uni\\|multi\\)byte$" argi) | |
2270 | (display-warning 'initialization | |
2271 | (format "Ignoring obsolete arg %s" argi))) | |
2272 | ||
22a58255 CY |
2273 | ((equal argi "--") |
2274 | (setq just-files t)) | |
2275 | (t | |
2276 | ;; We have almost exhausted our options. See if the | |
2277 | ;; user has made any other command-line options available | |
2278 | (let ((hooks command-line-functions) | |
2279 | (did-hook nil)) | |
2280 | (while (and hooks | |
2281 | (not (setq did-hook (funcall (car hooks))))) | |
2282 | (setq hooks (cdr hooks))) | |
2283 | (if (not did-hook) | |
2284 | ;; Presume that the argument is a file name. | |
2285 | (progn | |
2286 | (if (string-match "\\`-" argi) | |
2287 | (error "Unknown option `%s'" argi)) | |
1cff9ad1 JL |
2288 | (unless initial-window-system |
2289 | (setq inhibit-startup-screen t)) | |
22a58255 CY |
2290 | (setq file-count (1+ file-count)) |
2291 | (let ((file | |
2292 | (expand-file-name | |
2293 | (command-line-normalize-file-name orig-argi) | |
06788a55 | 2294 | dir))) |
3d9d55e6 CY |
2295 | (cond ((= file-count 1) |
2296 | (setq first-file-buffer (find-file file))) | |
2297 | (inhibit-startup-screen | |
2298 | (find-file-other-window file)) | |
2299 | (t (find-file file)))) | |
06788a55 | 2300 | (unless (zerop line) |
e6ce8c42 | 2301 | (goto-char (point-min)) |
06788a55 SM |
2302 | (forward-line (1- line))) |
2303 | (setq line 0) | |
2304 | (unless (< column 1) | |
2305 | (move-to-column (1- column))) | |
2306 | (setq column 0)))))) | |
22a58255 CY |
2307 | ;; In unusual circumstances, the execution of Lisp code due |
2308 | ;; to command-line options can cause the last visible frame | |
2309 | ;; to be deleted. In this case, kill emacs to avoid an | |
2310 | ;; abort later. | |
2311 | (unless (frame-live-p (selected-frame)) (kill-emacs nil)))))) | |
2312 | ||
199e4c7e MR |
2313 | (when (eq initial-buffer-choice t) |
2314 | ;; When initial-buffer-choice equals t make sure that *scratch* | |
2315 | ;; exists. | |
2316 | (get-buffer-create "*scratch*")) | |
22a58255 | 2317 | |
8d86c6da | 2318 | ;; If *scratch* exists and is empty, insert initial-scratch-message. |
199e4c7e | 2319 | ;; Do this before switching to *scratch* below to handle bug#9605. |
8d86c6da JL |
2320 | (and initial-scratch-message |
2321 | (get-buffer "*scratch*") | |
2322 | (with-current-buffer "*scratch*" | |
2323 | (when (zerop (buffer-size)) | |
199e4c7e | 2324 | (insert initial-scratch-message) |
8d86c6da JL |
2325 | (set-buffer-modified-p nil)))) |
2326 | ||
199e4c7e MR |
2327 | (when initial-buffer-choice |
2328 | (cond ((eq initial-buffer-choice t) | |
2329 | (switch-to-buffer (get-buffer-create "*scratch*"))) | |
2330 | ((stringp initial-buffer-choice) | |
2331 | (find-file initial-buffer-choice)))) | |
2332 | ||
1cff9ad1 | 2333 | (if (or inhibit-startup-screen |
22a58255 CY |
2334 | initial-buffer-choice |
2335 | noninteractive | |
ede141ac | 2336 | (daemonp) |
8686ac71 | 2337 | inhibit-x-resources) |
22a58255 CY |
2338 | |
2339 | ;; Not displaying a startup screen. If 3 or more files | |
2340 | ;; visited, and not all visible, show user what they all are. | |
2341 | (and (> file-count 2) | |
2342 | (not noninteractive) | |
2343 | (not inhibit-startup-buffer-menu) | |
2344 | (or (get-buffer-window first-file-buffer) | |
2345 | (list-buffers))) | |
2346 | ||
2347 | ;; Display a startup screen, after some preparations. | |
2348 | ||
2349 | ;; If there are no switches to process, we might as well | |
2350 | ;; run this hook now, and there may be some need to do it | |
2351 | ;; before doing any output. | |
2352 | (run-hooks 'emacs-startup-hook) | |
2353 | (and term-setup-hook | |
2354 | (run-hooks 'term-setup-hook)) | |
2355 | (setq inhibit-startup-hooks t) | |
2356 | ||
2357 | ;; It's important to notice the user settings before we | |
2358 | ;; display the startup message; otherwise, the settings | |
2359 | ;; won't take effect until the user gives the first | |
2360 | ;; keystroke, and that's distracting. | |
2361 | (when (fboundp 'frame-notice-user-settings) | |
2362 | (frame-notice-user-settings)) | |
2363 | ||
2364 | ;; If there are no switches to process, we might as well | |
2365 | ;; run this hook now, and there may be some need to do it | |
2366 | ;; before doing any output. | |
2367 | (when window-setup-hook | |
2368 | (run-hooks 'window-setup-hook) | |
2369 | ;; Don't let the hook be run twice. | |
2370 | (setq window-setup-hook nil)) | |
2371 | ||
04ef2618 CY |
2372 | ;; ;; Do this now to avoid an annoying delay if the user |
2373 | ;; ;; clicks the menu bar during the sit-for. | |
2374 | ;; (when (display-popup-menus-p) | |
2375 | ;; (precompute-menubar-bindings)) | |
2376 | ;; (with-no-warnings | |
2377 | ;; (setq menubar-bindings-done t)) | |
22a58255 | 2378 | |
ede141ac | 2379 | (display-startup-screen (> file-count 0))))) |
49939379 | 2380 | |
47c7adae RS |
2381 | (defun command-line-normalize-file-name (file) |
2382 | "Collapse multiple slashes to one, to handle non-Emacs file names." | |
6b9e794f RS |
2383 | (save-match-data |
2384 | ;; Use arg 1 so that we don't collapse // at the start of the file name. | |
2385 | ;; That is significant on some systems. | |
2386 | ;; However, /// at the beginning is supposed to mean just /, not //. | |
2387 | (if (string-match "^///+" file) | |
2388 | (setq file (replace-match "/" t t file))) | |
50405cd0 JB |
2389 | (and (memq system-type '(ms-dos windows-nt)) |
2390 | (string-match "^[A-Za-z]:\\(\\\\[\\\\/]\\)" file) ; C:\/ or C:\\ | |
2391 | (setq file (replace-match "/" t t file 1))) | |
6b9e794f RS |
2392 | (while (string-match "//+" file 1) |
2393 | (setq file (replace-match "/" t t file))) | |
2394 | file)) | |
47c7adae | 2395 | |
c88ab9ce | 2396 | ;;; startup.el ends here |