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c88ab9ce ER |
1 | ;;; startup.el --- process Emacs shell arguments |
2 | ||
a3194d03 | 3 | ;; Copyright (C) 1985, 1986, 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2000, |
ae940284 | 4 | ;; 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 |
93926b07 | 5 | ;; Free Software Foundation, Inc. |
eea8d4ef | 6 | |
630cc463 | 7 | ;; Maintainer: FSF |
d7b4d18f | 8 | ;; Keywords: internal |
630cc463 | 9 | |
a726e0d1 JB |
10 | ;; This file is part of GNU Emacs. |
11 | ||
eb3fa2cf | 12 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
a726e0d1 | 13 | ;; it under the terms of the GNU General Public License as published by |
eb3fa2cf GM |
14 | ;; the Free Software Foundation, either version 3 of the License, or |
15 | ;; (at your option) any later version. | |
a726e0d1 JB |
16 | |
17 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
18 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | ;; GNU General Public License for more details. | |
21 | ||
22 | ;; You should have received a copy of the GNU General Public License | |
eb3fa2cf | 23 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
a726e0d1 | 24 | |
630cc463 | 25 | ;;; Commentary: |
a726e0d1 | 26 | |
6b61353c KH |
27 | ;; This file parses the command line and gets Emacs running. Options |
28 | ;; on the command line are handled in precedence order. For priorities | |
29 | ;; see the structure standard_args in the emacs.c file. | |
a726e0d1 | 30 | |
630cc463 ER |
31 | ;;; Code: |
32 | ||
a726e0d1 JB |
33 | (setq top-level '(normal-top-level)) |
34 | ||
42a3e6fa | 35 | (defvar command-line-processed nil |
2879a13b | 36 | "Non-nil once command line has been processed.") |
a726e0d1 | 37 | |
42a3e6fa | 38 | (defgroup initialization nil |
ca3685a3 | 39 | "Emacs start-up procedure." |
26cdce23 JL |
40 | :group 'environment) |
41 | ||
42 | (defcustom initial-buffer-choice nil | |
43 | "Buffer to show after starting Emacs. | |
490a1ad6 | 44 | If the value is nil and `inhibit-startup-screen' is nil, show the |
26cdce23 JL |
45 | startup screen. If the value is string, visit the specified file or |
46 | directory using `find-file'. If t, open the `*scratch*' buffer." | |
47 | :type '(choice | |
490a1ad6 | 48 | (const :tag "Startup screen" nil) |
26cdce23 | 49 | (directory :tag "Directory" :value "~/") |
85b84319 | 50 | (file :tag "File" :value "~/.emacs") |
26cdce23 JL |
51 | (const :tag "Lisp scratch buffer" t)) |
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 | |
42a3e6fa | 68 | (defcustom inhibit-startup-echo-area-message nil |
ea6c930a | 69 | "Non-nil inhibits the initial startup echo area message. |
42a3e6fa RS |
70 | Setting this variable takes effect |
71 | only if you do it with the customization buffer | |
94487c4e | 72 | or if your `.emacs' file contains a line of this form: |
54a003f7 | 73 | (setq inhibit-startup-echo-area-message \"YOUR-USER-NAME\") |
e5575c06 RS |
74 | If your `.emacs' file is byte-compiled, use the following form instead: |
75 | (eval '(setq inhibit-startup-echo-area-message \"YOUR-USER-NAME\")) | |
1d7da582 | 76 | Thus, someone else using a copy of your `.emacs' file will see |
42a3e6fa RS |
77 | the startup message unless he personally acts to inhibit it." |
78 | :type '(choice (const :tag "Don't inhibit") | |
79 | (string :tag "Enter your user name, to inhibit")) | |
80 | :group 'initialization) | |
1d7da582 | 81 | |
42a3e6fa | 82 | (defcustom inhibit-default-init nil |
ea6c930a | 83 | "Non-nil inhibits loading the `default' library." |
42a3e6fa RS |
84 | :type 'boolean |
85 | :group 'initialization) | |
a726e0d1 | 86 | |
802a980a | 87 | (defcustom inhibit-startup-buffer-menu nil |
ea6c930a | 88 | "Non-nil inhibits display of buffer list when more than 2 files are loaded." |
802a980a GM |
89 | :type 'boolean |
90 | :group 'initialization) | |
91 | ||
d7fa5aa2 | 92 | (defvar command-switch-alist nil |
a726e0d1 JB |
93 | "Alist of command-line switches. |
94 | Elements look like (SWITCH-STRING . HANDLER-FUNCTION). | |
6b61353c KH |
95 | HANDLER-FUNCTION receives the switch string as its sole argument; |
96 | the remaining command-line args are in the variable `command-line-args-left'.") | |
a726e0d1 | 97 | |
860befc8 RS |
98 | (defvar command-line-args-left nil |
99 | "List of command-line args not yet processed.") | |
100 | ||
aa5310e4 DK |
101 | (defvaralias 'argv 'command-line-args-left |
102 | "List of command-line args not yet processed. | |
103 | This is a convenience alias, so that one can write \(pop argv\) | |
104 | inside of --eval command line arguments in order to access | |
105 | following arguments.") | |
106 | ||
a726e0d1 JB |
107 | (defvar command-line-functions nil ;; lrs 7/31/89 |
108 | "List of functions to process unrecognized command-line arguments. | |
109 | Each function should access the dynamically bound variables | |
b4484ea8 | 110 | `argi' (the current argument) and `command-line-args-left' (the remaining |
a726e0d1 | 111 | arguments). The function should return non-nil only if it recognizes and |
b4484ea8 RS |
112 | processes `argi'. If it does so, it may consume successive arguments by |
113 | altering `command-line-args-left' to remove them.") | |
a726e0d1 | 114 | |
09a1077c RS |
115 | (defvar command-line-default-directory nil |
116 | "Default directory to use for command line arguments. | |
117 | This is normally copied from `default-directory' when Emacs starts.") | |
118 | ||
b3afdeb8 RS |
119 | ;;; This is here, rather than in x-win.el, so that we can ignore these |
120 | ;;; options when we are not using X. | |
46cfd295 | 121 | (defconst command-line-x-option-alist |
b3afdeb8 RS |
122 | '(("-bw" 1 x-handle-numeric-switch border-width) |
123 | ("-d" 1 x-handle-display) | |
124 | ("-display" 1 x-handle-display) | |
5676ab57 | 125 | ("-name" 1 x-handle-name-switch) |
2c3fef40 RS |
126 | ("-title" 1 x-handle-switch title) |
127 | ("-T" 1 x-handle-switch title) | |
b3afdeb8 RS |
128 | ("-r" 0 x-handle-switch reverse t) |
129 | ("-rv" 0 x-handle-switch reverse t) | |
130 | ("-reverse" 0 x-handle-switch reverse t) | |
131 | ("-reverse-video" 0 x-handle-switch reverse t) | |
132 | ("-fn" 1 x-handle-switch font) | |
133 | ("-font" 1 x-handle-switch font) | |
188b6a5e EZ |
134 | ("-fs" 0 x-handle-initial-switch fullscreen fullboth) |
135 | ("-fw" 0 x-handle-initial-switch fullscreen fullwidth) | |
136 | ("-fh" 0 x-handle-initial-switch fullscreen fullheight) | |
3f1c6666 | 137 | ("-mm" 0 x-handle-initial-switch fullscreen maximized) |
b3afdeb8 | 138 | ("-ib" 1 x-handle-numeric-switch internal-border-width) |
1f7f78f1 | 139 | ("-g" 1 x-handle-geometry) |
9ff6bda1 | 140 | ("-lsp" 1 x-handle-numeric-switch line-spacing) |
1f7f78f1 | 141 | ("-geometry" 1 x-handle-geometry) |
b3afdeb8 RS |
142 | ("-fg" 1 x-handle-switch foreground-color) |
143 | ("-foreground" 1 x-handle-switch foreground-color) | |
144 | ("-bg" 1 x-handle-switch background-color) | |
145 | ("-background" 1 x-handle-switch background-color) | |
146 | ("-ms" 1 x-handle-switch mouse-color) | |
c755acf3 | 147 | ("-nbi" 0 x-handle-switch icon-type nil) |
b3afdeb8 RS |
148 | ("-iconic" 0 x-handle-iconic) |
149 | ("-xrm" 1 x-handle-xrm-switch) | |
150 | ("-cr" 1 x-handle-switch cursor-color) | |
151 | ("-vb" 0 x-handle-switch vertical-scroll-bars t) | |
152 | ("-hb" 0 x-handle-switch horizontal-scroll-bars t) | |
153 | ("-bd" 1 x-handle-switch) | |
154 | ("--border-width" 1 x-handle-numeric-switch border-width) | |
155 | ("--display" 1 x-handle-display) | |
5676ab57 | 156 | ("--name" 1 x-handle-name-switch) |
7775acb8 | 157 | ("--title" 1 x-handle-switch title) |
b3afdeb8 RS |
158 | ("--reverse-video" 0 x-handle-switch reverse t) |
159 | ("--font" 1 x-handle-switch font) | |
188b6a5e EZ |
160 | ("--fullscreen" 0 x-handle-initial-switch fullscreen fullboth) |
161 | ("--fullwidth" 0 x-handle-initial-switch fullscreen fullwidth) | |
162 | ("--fullheight" 0 x-handle-initial-switch fullscreen fullheight) | |
3f1c6666 | 163 | ("--maximized" 0 x-handle-initial-switch fullscreen maximized) |
b3afdeb8 | 164 | ("--internal-border" 1 x-handle-numeric-switch internal-border-width) |
1f7f78f1 | 165 | ("--geometry" 1 x-handle-geometry) |
b3afdeb8 RS |
166 | ("--foreground-color" 1 x-handle-switch foreground-color) |
167 | ("--background-color" 1 x-handle-switch background-color) | |
168 | ("--mouse-color" 1 x-handle-switch mouse-color) | |
bb1f0f78 | 169 | ("--no-bitmap-icon" 0 x-handle-no-bitmap-icon) |
b3afdeb8 RS |
170 | ("--iconic" 0 x-handle-iconic) |
171 | ("--xrm" 1 x-handle-xrm-switch) | |
172 | ("--cursor-color" 1 x-handle-switch cursor-color) | |
173 | ("--vertical-scroll-bars" 0 x-handle-switch vertical-scroll-bars t) | |
9ff6bda1 | 174 | ("--line-spacing" 1 x-handle-numeric-switch line-spacing) |
7f944e8e | 175 | ("--border-color" 1 x-handle-switch border-color) |
c434f203 JD |
176 | ("--smid" 1 x-handle-smid) |
177 | ("--parent-id" 1 x-handle-parent-id)) | |
b3afdeb8 RS |
178 | "Alist of X Windows options. |
179 | Each element has the form | |
180 | (NAME NUMARGS HANDLER FRAME-PARAM VALUE) | |
181 | where NAME is the option name string, NUMARGS is the number of arguments | |
182 | that the option accepts, HANDLER is a function to call to handle the option. | |
183 | FRAME-PARAM (optional) is the frame parameter this option specifies, | |
184 | and VALUE is the value which is given to that frame parameter | |
185 | \(most options use the argument for this, so VALUE is not present).") | |
186 | ||
edfda783 AR |
187 | (defconst command-line-ns-option-alist |
188 | '(("-NSAutoLaunch" 1 ns-ignore-1-arg) | |
189 | ("-NXAutoLaunch" 1 ns-ignore-1-arg) | |
55e8d9a5 | 190 | ("-macosx" 0 ignore) |
edfda783 AR |
191 | ("-NSHost" 1 ns-ignore-1-arg) |
192 | ("-_NSMachLaunch" 1 ns-ignore-1-arg) | |
193 | ("-MachLaunch" 1 ns-ignore-1-arg) | |
194 | ("-NXOpen" 1 ns-ignore-1-arg) | |
195 | ("-NSOpen" 1 ns-handle-nxopen) | |
196 | ("-NXOpenTemp" 1 ns-ignore-1-arg) | |
197 | ("-NSOpenTemp" 1 ns-handle-nxopentemp) | |
198 | ("-GSFilePath" 1 ns-handle-nxopen) | |
199 | ;;("-bw" . x-handle-numeric-switch) | |
200 | ;;("-d" . x-handle-display) | |
201 | ;;("-display" . x-handle-display) | |
202 | ("-name" 1 ns-handle-name-switch) | |
203 | ("-title" 1 ns-handle-switch title) | |
204 | ("-T" 1 ns-handle-switch title) | |
205 | ("-r" 0 ns-handle-switch reverse t) | |
206 | ("-rv" 0 ns-handle-switch reverse t) | |
207 | ("-reverse" 0 ns-handle-switch reverse t) | |
208 | ("-fn" 1 ns-handle-switch font) | |
209 | ("-font" 1 ns-handle-switch font) | |
210 | ("-ib" 1 ns-handle-numeric-switch internal-border-width) | |
211 | ;;("-g" . x-handle-geometry) | |
212 | ;;("-geometry" . x-handle-geometry) | |
213 | ("-fg" 1 ns-handle-switch foreground-color) | |
214 | ("-foreground" 1 ns-handle-switch foreground-color) | |
215 | ("-bg" 1 ns-handle-switch background-color) | |
216 | ("-background" 1 ns-handle-switch background-color) | |
217 | ; ("-ms" 1 ns-handle-switch mouse-color) | |
218 | ("-itype" 0 ns-handle-switch icon-type t) | |
219 | ("-i" 0 ns-handle-switch icon-type t) | |
220 | ("-iconic" 0 ns-handle-iconic icon-type t) | |
221 | ;;("-xrm" . x-handle-xrm-switch) | |
222 | ("-cr" 1 ns-handle-switch cursor-color) | |
223 | ("-vb" 0 ns-handle-switch vertical-scroll-bars t) | |
224 | ("-hb" 0 ns-handle-switch horizontal-scroll-bars t) | |
eeaa563e JB |
225 | ("-bd" 1 ns-handle-switch) |
226 | ;; ("--border-width" 1 ns-handle-numeric-switch border-width) | |
edfda783 AR |
227 | ;; ("--display" 1 ns-handle-display) |
228 | ("--name" 1 ns-handle-name-switch) | |
229 | ("--title" 1 ns-handle-switch title) | |
230 | ("--reverse-video" 0 ns-handle-switch reverse t) | |
231 | ("--font" 1 ns-handle-switch font) | |
232 | ("--internal-border" 1 ns-handle-numeric-switch internal-border-width) | |
233 | ;; ("--geometry" 1 ns-handle-geometry) | |
234 | ("--foreground-color" 1 ns-handle-switch foreground-color) | |
235 | ("--background-color" 1 ns-handle-switch background-color) | |
236 | ("--mouse-color" 1 ns-handle-switch mouse-color) | |
237 | ("--icon-type" 0 ns-handle-switch icon-type t) | |
238 | ("--iconic" 0 ns-handle-iconic) | |
239 | ;; ("--xrm" 1 ns-handle-xrm-switch) | |
240 | ("--cursor-color" 1 ns-handle-switch cursor-color) | |
241 | ("--vertical-scroll-bars" 0 ns-handle-switch vertical-scroll-bars t) | |
242 | ("--border-color" 1 ns-handle-switch border-width)) | |
243 | "Alist of NS options. | |
244 | Each element has the form | |
245 | (NAME NUMARGS HANDLER FRAME-PARAM VALUE) | |
246 | where NAME is the option name string, NUMARGS is the number of arguments | |
247 | that the option accepts, HANDLER is a function to call to handle the option. | |
248 | FRAME-PARAM (optional) is the frame parameter this option specifies, | |
249 | and VALUE is the value which is given to that frame parameter | |
250 | \(most options use the argument for this, so VALUE is not present).") | |
251 | ||
252 | ||
e3bd99f5 | 253 | (defvar before-init-hook nil |
db3f571a | 254 | "Normal hook run after handling urgent options but before loading init files.") |
3fc958a4 | 255 | |
e3bd99f5 | 256 | (defvar after-init-hook nil |
db3f571a KH |
257 | "Normal hook run after loading the init files, `~/.emacs' and `default.el'. |
258 | There is no `condition-case' around the running of these functions; | |
259 | therefore, if you set `debug-on-error' non-nil in `.emacs', | |
260 | an error in one of these functions will invoke the debugger.") | |
261 | ||
262 | (defvar emacs-startup-hook nil | |
263 | "Normal hook run after loading init files and handling the command line.") | |
e3bd99f5 | 264 | |
a726e0d1 | 265 | (defvar term-setup-hook nil |
db3f571a KH |
266 | "Normal hook run after loading terminal-specific Lisp code. |
267 | It also follows `emacs-startup-hook'. This hook exists for users to set, | |
a726e0d1 JB |
268 | so as to override the definitions made by the terminal-specific file. |
269 | Emacs never sets this variable itself.") | |
270 | ||
deebb0e9 RS |
271 | (defvar inhibit-startup-hooks nil |
272 | "Non-nil means don't run `term-setup-hook' and `emacs-startup-hook'. | |
273 | This is because we already did so.") | |
274 | ||
a726e0d1 | 275 | (defvar keyboard-type nil |
b4484ea8 | 276 | "The brand of keyboard you are using. |
9ab281f0 JB |
277 | This variable is used to define the proper function and keypad |
278 | keys for use under X. It is used in a fashion analogous to the | |
279 | environment variable TERM.") | |
a726e0d1 JB |
280 | |
281 | (defvar window-setup-hook nil | |
b4484ea8 RS |
282 | "Normal hook run to initialize window system display. |
283 | Emacs runs this hook after processing the command line arguments and loading | |
284 | the user's init file.") | |
a726e0d1 | 285 | |
42a3e6fa | 286 | (defcustom initial-major-mode 'lisp-interaction-mode |
ab863ac2 | 287 | "Major mode command symbol to use for the initial `*scratch*' buffer." |
ce2f921e | 288 | :type 'function |
42a3e6fa | 289 | :group 'initialization) |
a726e0d1 | 290 | |
ecbff273 | 291 | (defvar init-file-user nil |
a726e0d1 | 292 | "Identity of user whose `.emacs' file is or was read. |
d7fa5aa2 RS |
293 | The value is nil if `-q' or `--no-init-file' was specified, |
294 | meaning do not load any init file. | |
295 | ||
d3a81eee EZ |
296 | Otherwise, the value may be an empty string, meaning |
297 | use the init file for the user who originally logged in, | |
298 | or it may be a string containing a user's name meaning | |
299 | use that person's init file. | |
a726e0d1 | 300 | |
2bdfaa42 KH |
301 | In either of the latter cases, `(concat \"~\" init-file-user \"/\")' |
302 | evaluates to the name of the directory where the `.emacs' file was | |
13fce4e6 RS |
303 | looked for. |
304 | ||
305 | Setting `init-file-user' does not prevent Emacs from loading | |
ecbff273 | 306 | `site-start.el'. The only way to do that is to use `--no-site-file'.") |
a726e0d1 | 307 | |
42a3e6fa | 308 | (defcustom site-run-file "site-start" |
b7444d31 RS |
309 | "File containing site-wide run-time initializations. |
310 | This file is loaded at run-time before `~/.emacs'. It contains inits | |
311 | that need to be in place for the entire site, but which, due to their | |
fcaf7de9 | 312 | higher incidence of change, don't make sense to load into Emacs's |
b7444d31 | 313 | dumped image. Thus, the run-time load order is: 1. file described in |
13fce4e6 RS |
314 | this variable, if non-nil; 2. `~/.emacs'; 3. `default.el'. |
315 | ||
316 | Don't use the `site-start.el' file for things some users may not like. | |
317 | Put them in `default.el' instead, so that users can more easily | |
318 | override them. Users can prevent loading `default.el' with the `-q' | |
319 | option or by setting `inhibit-default-init' in their own init files, | |
320 | but inhibiting `site-start.el' requires `--no-site-file', which | |
842a1eac RS |
321 | is less convenient. |
322 | ||
323 | This variable is defined for customization so as to make | |
324 | it visible in the relevant context. However, actually customizing it | |
325 | is not allowed, since it would not work anyway. The only way to set | |
9ab281f0 | 326 | this variable usefully is to set it while building and dumping Emacs." |
93812130 | 327 | :type '(choice (const :tag "none" nil) string) |
842a1eac RS |
328 | :group 'initialization |
329 | :initialize 'custom-initialize-default | |
330 | :set '(lambda (variable value) | |
331 | (error "Customizing `site-run-file' does not work"))) | |
b7444d31 | 332 | |
42a3e6fa | 333 | (defcustom mail-host-address nil |
ea6c930a | 334 | "Name of this machine, for purposes of naming users." |
42a3e6fa RS |
335 | :type '(choice (const nil) string) |
336 | :group 'mail) | |
c13fbb62 | 337 | |
680ebfa6 | 338 | (defcustom user-mail-address (if command-line-processed |
cee0c996 EZ |
339 | (or (getenv "EMAIL") |
340 | (concat (user-login-name) "@" | |
341 | (or mail-host-address | |
342 | (system-name)))) | |
680ebfa6 RS |
343 | ;; Empty string means "not set yet". |
344 | "") | |
ea6c930a | 345 | "Full mailing address of this user. |
cee0c996 | 346 | This is initialized with environment variable `EMAIL' or, as a |
eeaa563e | 347 | fallback, using `mail-host-address'. This is done after your |
cee0c996 | 348 | init file is read, in case it sets `mail-host-address'." |
42a3e6fa RS |
349 | :type 'string |
350 | :group 'mail) | |
c10d1f06 | 351 | |
42a3e6fa | 352 | (defcustom auto-save-list-file-prefix |
73f13e5a GM |
353 | (cond ((eq system-type 'ms-dos) |
354 | ;; MS-DOS cannot have initial dot, and allows only 8.3 names | |
945a0a0c | 355 | (concat user-emacs-directory "auto-save.list/_s")) |
73f13e5a | 356 | (t |
945a0a0c | 357 | (concat user-emacs-directory "auto-save-list/.saves-"))) |
cdee38c3 KH |
358 | "Prefix for generating `auto-save-list-file-name'. |
359 | This is used after reading your `.emacs' file to initialize | |
360 | `auto-save-list-file-name', by appending Emacs's pid and the system name, | |
361 | if you have not already set `auto-save-list-file-name' yourself. | |
73f13e5a | 362 | Directories in the prefix will be created if necessary. |
cdee38c3 | 363 | Set this to nil if you want to prevent `auto-save-list-file-name' |
42a3e6fa | 364 | from being initialized." |
3671f444 KH |
365 | :type '(choice (const :tag "Don't record a session's auto save list" nil) |
366 | string) | |
42a3e6fa | 367 | :group 'auto-save) |
2e05d063 | 368 | |
6b61353c KH |
369 | (defvar emacs-quick-startup nil) |
370 | ||
dc58296d RS |
371 | (defvar emacs-basic-display nil) |
372 | ||
a726e0d1 JB |
373 | (defvar init-file-debug nil) |
374 | ||
5b309ebf RS |
375 | (defvar init-file-had-error nil |
376 | "Non-nil if there was an error loading the user's init file.") | |
52320897 | 377 | |
95eada65 RS |
378 | (defvar normal-top-level-add-subdirs-inode-list nil) |
379 | ||
178b4542 JL |
380 | (defvar no-blinking-cursor nil) |
381 | ||
0a480f3d RS |
382 | (defvar default-frame-background-mode) |
383 | ||
b693e375 RS |
384 | (defvar pure-space-overflow nil |
385 | "Non-nil if building Emacs overflowed pure space.") | |
386 | ||
22a58255 CY |
387 | (defvar pure-space-overflow-message "\ |
388 | Warning Warning!!! Pure space overflow !!!Warning Warning | |
389 | \(See the node Pure Storage in the Lisp manual for details.)\n") | |
390 | ||
5f5ba825 | 391 | (defvar tutorial-directory nil |
f51a80af GM |
392 | "Directory containing the Emacs TUTORIAL files.") |
393 | ||
5f5ba825 GM |
394 | ;; Get correct value in a dumped, installed Emacs. |
395 | (eval-at-startup | |
396 | (setq tutorial-directory (file-name-as-directory | |
397 | (expand-file-name "tutorials" data-directory)))) | |
398 | ||
859e15c1 | 399 | (defun normal-top-level-add-subdirs-to-load-path () |
0412d833 RS |
400 | "Add all subdirectories of current directory to `load-path'. |
401 | More precisely, this uses only the subdirectories whose names | |
f734a13e DL |
402 | start with letters or digits; it excludes any subdirectory named `RCS' |
403 | or `CVS', and any subdirectory that contains a file named `.nosearch'." | |
f1180544 | 404 | (let (dirs |
95eada65 | 405 | attrs |
859e15c1 KH |
406 | (pending (list default-directory))) |
407 | ;; This loop does a breadth-first tree walk on DIR's subtree, | |
408 | ;; putting each subdir into DIRS as its contents are examined. | |
409 | (while pending | |
4e0a3971 | 410 | (push (pop pending) dirs) |
722a451d EZ |
411 | (let* ((this-dir (car dirs)) |
412 | (contents (directory-files this-dir)) | |
413 | (default-directory this-dir) | |
fcaf7de9 SM |
414 | (canonicalized (if (fboundp 'untranslated-canonical-name) |
415 | (untranslated-canonical-name this-dir)))) | |
722a451d EZ |
416 | ;; The Windows version doesn't report meaningful inode |
417 | ;; numbers, so use the canonicalized absolute file name of the | |
418 | ;; directory instead. | |
419 | (setq attrs (or canonicalized | |
420 | (nthcdr 10 (file-attributes this-dir)))) | |
95eada65 | 421 | (unless (member attrs normal-top-level-add-subdirs-inode-list) |
4e0a3971 SM |
422 | (push attrs normal-top-level-add-subdirs-inode-list) |
423 | (dolist (file contents) | |
c4a40544 | 424 | ;; The lower-case variants of RCS and CVS are for DOS/Windows. |
4e0a3971 SM |
425 | (unless (member file '("." ".." "RCS" "CVS" "rcs" "cvs")) |
426 | (when (and (string-match "\\`[[:alnum:]]" file) | |
9d1fb179 RS |
427 | ;; Avoid doing a `stat' when it isn't necessary |
428 | ;; because that can cause trouble when an NFS server | |
429 | ;; is down. | |
4e0a3971 SM |
430 | (not (string-match "\\.elc?\\'" file)) |
431 | (file-directory-p file)) | |
432 | (let ((expanded (expand-file-name file))) | |
95eada65 RS |
433 | (unless (file-exists-p (expand-file-name ".nosearch" |
434 | expanded)) | |
4e0a3971 | 435 | (setq pending (nconc pending (list expanded))))))))))) |
bb15e81a | 436 | (normal-top-level-add-to-load-path (cdr (nreverse dirs))))) |
859e15c1 | 437 | |
537b6e4e RS |
438 | ;; This function is called from a subdirs.el file. |
439 | ;; It assumes that default-directory is the directory | |
440 | ;; in which the subdirs.el file exists, | |
441 | ;; and it adds to load-path the subdirs of that directory | |
442 | ;; as specified in DIRS. Normally the elements of DIRS are relative. | |
e87a7309 | 443 | (defun normal-top-level-add-to-load-path (dirs) |
cd1c10f6 RS |
444 | (let ((tail load-path) |
445 | (thisdir (directory-file-name default-directory))) | |
446 | (while (and tail | |
138e541f GM |
447 | ;;Don't go all the way to the nil terminator. |
448 | (cdr tail) | |
cd1c10f6 RS |
449 | (not (equal thisdir (car tail))) |
450 | (not (and (memq system-type '(ms-dos windows-nt)) | |
451 | (equal (downcase thisdir) (downcase (car tail)))))) | |
452 | (setq tail (cdr tail))) | |
138e541f GM |
453 | ;;Splice the new section in. |
454 | (when tail | |
455 | (setcdr tail (append (mapcar 'expand-file-name dirs) (cdr tail)))))) | |
e87a7309 | 456 | |
a726e0d1 JB |
457 | (defun normal-top-level () |
458 | (if command-line-processed | |
459 | (message "Back to top level.") | |
460 | (setq command-line-processed t) | |
8d4c2221 | 461 | (let ((dir default-directory)) |
fcaf7de9 | 462 | (with-current-buffer "*Messages*" |
a1562258 SM |
463 | ;; Make it easy to do like "tail -f". |
464 | (set (make-local-variable 'window-point-insertion-type) t) | |
465 | ;; Give *Messages* the same default-directory as *scratch*, | |
466 | ;; just to keep things predictable. | |
8d4c2221 | 467 | (setq default-directory dir))) |
9715399e MR |
468 | ;; `user-full-name' is now known; reset its standard-value here. |
469 | (put 'user-full-name 'standard-value | |
470 | (list (default-value 'user-full-name))) | |
80d71556 KH |
471 | ;; For root, preserve owner and group when editing files. |
472 | (if (equal (user-uid) 0) | |
473 | (setq backup-by-copying-when-mismatch t)) | |
e87a7309 RS |
474 | ;; Look in each dir in load-path for a subdirs.el file. |
475 | ;; If we find one, load it, which will add the appropriate subdirs | |
476 | ;; of that dir into load-path, | |
357438eb KH |
477 | ;; Look for a leim-list.el file too. Loading it will register |
478 | ;; available input methods. | |
b6666b5f SM |
479 | (let ((tail load-path) dir) |
480 | (while tail | |
481 | (setq dir (car tail)) | |
482 | (let ((default-directory dir)) | |
483 | (load (expand-file-name "subdirs.el") t t t)) | |
484 | (let ((default-directory dir)) | |
485 | (load (expand-file-name "leim-list.el") t t t)) | |
486 | ;; We don't use a dolist loop and we put this "setq-cdr" command at | |
487 | ;; the end, because the subdirs.el files may add elements to the end | |
488 | ;; of load-path and we want to take it into account. | |
489 | (setq tail (cdr tail)))) | |
7c2fb837 DN |
490 | ;; If the PWD environment variable isn't accurate, delete it. |
491 | (let ((pwd (getenv "PWD"))) | |
492 | (and (stringp pwd) | |
493 | ;; Use FOO/., so that if FOO is a symlink, file-attributes | |
494 | ;; describes the directory linked to, not FOO itself. | |
495 | (or (equal (file-attributes | |
496 | (concat (file-name-as-directory pwd) ".")) | |
497 | (file-attributes | |
498 | (concat (file-name-as-directory default-directory) | |
499 | "."))) | |
500 | (setq process-environment | |
501 | (delete (concat "PWD=" pwd) | |
502 | process-environment))))) | |
492878e4 | 503 | (setq default-directory (abbreviate-file-name default-directory)) |
50d4ba39 | 504 | (let ((old-face-font-rescale-alist face-font-rescale-alist)) |
6f2c86fa KH |
505 | (unwind-protect |
506 | (command-line) | |
507 | ;; Do this again, in case .emacs defined more abbreviations. | |
508 | (setq default-directory (abbreviate-file-name default-directory)) | |
b3c7c12c RS |
509 | ;; Specify the file for recording all the auto save files of this session. |
510 | ;; This is used by recover-session. | |
cdee38c3 KH |
511 | (or auto-save-list-file-name |
512 | (and auto-save-list-file-prefix | |
513 | (setq auto-save-list-file-name | |
1f7f78f1 RS |
514 | ;; Under MS-DOS our PID is almost always reused between |
515 | ;; Emacs invocations. We need something more unique. | |
4b33deaa EZ |
516 | (cond ((eq system-type 'ms-dos) |
517 | ;; We are going to access the auto-save | |
518 | ;; directory, so make sure it exists. | |
519 | (make-directory | |
520 | (file-name-directory auto-save-list-file-prefix) | |
521 | t) | |
f1180544 | 522 | (concat |
4b33deaa EZ |
523 | (make-temp-name |
524 | (expand-file-name | |
525 | auto-save-list-file-prefix)) | |
526 | "~")) | |
527 | (t | |
528 | (expand-file-name | |
529 | (format "%s%d-%s~" | |
530 | auto-save-list-file-prefix | |
531 | (emacs-pid) | |
532 | (system-name)))))))) | |
deebb0e9 RS |
533 | (unless inhibit-startup-hooks |
534 | (run-hooks 'emacs-startup-hook) | |
535 | (and term-setup-hook | |
536 | (run-hooks 'term-setup-hook))) | |
6a1e7d67 GM |
537 | |
538 | ;; Don't do this if we failed to create the initial frame, | |
539 | ;; for instance due to a dense colormap. | |
538ef02a GM |
540 | (when (or frame-initial-frame |
541 | ;; If frame-initial-frame has no meaning, do this anyway. | |
2246281f | 542 | (not (and initial-window-system |
538ef02a | 543 | (not noninteractive) |
2246281f | 544 | (not (eq initial-window-system 'pc))))) |
4a0c0061 CY |
545 | |
546 | ;; FIXME: The user's init file may change | |
547 | ;; face-font-rescale-alist. However, the default face | |
548 | ;; already has an assigned font object, which does not take | |
549 | ;; face-font-rescale-alist into account. For such | |
550 | ;; situations, we ought to have a way to find all font | |
551 | ;; objects and regenerate them; currently we do not. As a | |
552 | ;; workaround, we specifically reset te default face's :font | |
553 | ;; attribute here. See bug#1785. | |
554 | (unless (eq face-font-rescale-alist | |
555 | old-face-font-rescale-alist) | |
556 | (set-face-attribute 'default nil :font (font-spec))) | |
557 | ||
6a1e7d67 GM |
558 | ;; Modify the initial frame based on what .emacs puts into |
559 | ;; ...-frame-alist. | |
560 | (if (fboundp 'frame-notice-user-settings) | |
561 | (frame-notice-user-settings)) | |
2666355c KL |
562 | ;; Set the faces for the initial background mode even if |
563 | ;; frame-notice-user-settings didn't (such as on a tty). | |
564 | ;; frame-set-background-mode is idempotent, so it won't | |
565 | ;; cause any harm if it's already been done. | |
6a1e7d67 | 566 | (if (fboundp 'frame-set-background-mode) |
2666355c | 567 | (frame-set-background-mode (selected-frame)))) |
13ab33c4 | 568 | |
6f2c86fa KH |
569 | ;; Now we know the user's default font, so add it to the menu. |
570 | (if (fboundp 'font-menu-add-default) | |
571 | (font-menu-add-default)) | |
572 | (and window-setup-hook | |
50d4ba39 | 573 | (run-hooks 'window-setup-hook)))) |
fdb88463 SM |
574 | ;; Subprocesses of Emacs do not have direct access to the terminal, so |
575 | ;; unless told otherwise they should only assume a dumb terminal. | |
576 | ;; We are careful to do it late (after term-setup-hook), although the | |
577 | ;; new multi-tty code does not use $TERM any more there anyway. | |
4bbfda32 SM |
578 | (setenv "TERM" "dumb") |
579 | ;; Remove DISPLAY from the process-environment as well. This allows | |
580 | ;; `callproc.c' to give it a useful adaptive default which is either | |
581 | ;; the value of the `display' frame-parameter or the DISPLAY value | |
582 | ;; from initial-environment. | |
583 | (let ((display (frame-parameter nil 'display))) | |
584 | ;; Be careful which DISPLAY to remove from process-environment: follow | |
585 | ;; the logic of `callproc.c'. | |
586 | (if (stringp display) (setq display (concat "DISPLAY=" display)) | |
587 | (dolist (varval initial-environment) | |
588 | (if (string-match "\\`DISPLAY=" varval) | |
589 | (setq display varval)))) | |
590 | (when display | |
4bbfda32 | 591 | (delete display process-environment))))) |
6f2c86fa KH |
592 | |
593 | ;; Precompute the keyboard equivalents in the menu bar items. | |
c381f482 EZ |
594 | ;; Command-line options supported by tty's: |
595 | (defconst tty-long-option-alist | |
8957d2bf EZ |
596 | '(("--name" . "-name") |
597 | ("--title" . "-T") | |
598 | ("--reverse-video" . "-reverse") | |
c381f482 | 599 | ("--foreground-color" . "-fg") |
8957d2bf EZ |
600 | ("--background-color" . "-bg") |
601 | ("--color" . "-color"))) | |
c381f482 | 602 | |
b66b6aeb | 603 | (defconst tool-bar-images-pixel-height 24 |
eeaa563e | 604 | "Height in pixels of images in the tool-bar.") |
b66b6aeb | 605 | |
3a55d3d0 JR |
606 | (defvar tool-bar-originally-present nil |
607 | "Non-nil if tool-bars are present before user and site init files are read.") | |
608 | ||
e9cda827 KL |
609 | (defvar handle-args-function-alist '((nil . tty-handle-args)) |
610 | "Functions for processing window-system dependent command-line arguments. | |
611 | Window system startup files should add their own function to this | |
612 | alist, which should parse the command line arguments. Those | |
613 | pertaining to the window system should be processed and removed | |
614 | from the returned command line.") | |
615 | ||
616 | (defvar window-system-initialization-alist '((nil . ignore)) | |
617 | "Alist of window-system initialization functions. | |
618 | Window-system startup files should add their own initialization | |
619 | function to this list. The function should take no arguments, | |
620 | and initialize the window system environment to prepare for | |
2bb819d5 | 621 | opening the first frame (e.g. open a connection to an X server).") |
e9cda827 | 622 | |
bca8c7be | 623 | ;; Handle the X-like command-line arguments "-fg", "-bg", "-name", etc. |
c381f482 | 624 | (defun tty-handle-args (args) |
bca8c7be | 625 | (let (rest) |
ae8bf5ab | 626 | (message "%S" args) |
c381f482 EZ |
627 | (while (and args |
628 | (not (equal (car args) "--"))) | |
bca8c7be MS |
629 | (let* ((argi (pop args)) |
630 | (orig-argi argi) | |
631 | argval completion) | |
c381f482 EZ |
632 | ;; Check for long options with attached arguments |
633 | ;; and separate out the attached option argument into argval. | |
bca8c7be MS |
634 | (when (string-match "^\\(--[^=]*\\)=" argi) |
635 | (setq argval (substring argi (match-end 0)) | |
636 | argi (match-string 1 argi))) | |
637 | (when (string-match "^--" argi) | |
638 | (setq completion (try-completion argi tty-long-option-alist)) | |
c381f482 EZ |
639 | (if (eq completion t) |
640 | ;; Exact match for long option. | |
bca8c7be | 641 | (setq argi (cdr (assoc argi tty-long-option-alist))) |
c381f482 EZ |
642 | (if (stringp completion) |
643 | (let ((elt (assoc completion tty-long-option-alist))) | |
644 | ;; Check for abbreviated long option. | |
645 | (or elt | |
bca8c7be MS |
646 | (error "Option `%s' is ambiguous" argi)) |
647 | (setq argi (cdr elt))) | |
c381f482 | 648 | ;; Check for a short option. |
bca8c7be MS |
649 | (setq argval nil |
650 | argi orig-argi)))) | |
651 | (cond ((member argi '("-fg" "-foreground")) | |
652 | (push (cons 'foreground-color (or argval (pop args))) | |
653 | default-frame-alist)) | |
654 | ((member argi '("-bg" "-background")) | |
655 | (push (cons 'background-color (or argval (pop args))) | |
656 | default-frame-alist)) | |
657 | ((member argi '("-T" "-name")) | |
658 | (unless argval (setq argval (pop args))) | |
659 | (push (cons 'title | |
660 | (if (stringp argval) | |
661 | argval | |
662 | (let ((case-fold-search t) | |
663 | i) | |
664 | (setq argval (invocation-name)) | |
665 | ||
666 | ;; Change any . or * characters in name to | |
667 | ;; hyphens, so as to emulate behavior on X. | |
668 | (while | |
669 | (setq i (string-match "[.*]" argval)) | |
670 | (aset argval i ?-)) | |
671 | argval))) | |
672 | default-frame-alist)) | |
673 | ((member argi '("-r" "-rv" "-reverse")) | |
674 | (push '(reverse . t) | |
675 | default-frame-alist)) | |
676 | ((equal argi "-color") | |
677 | (unless argval (setq argval 8)) ; default --color means 8 ANSI colors | |
678 | (push (cons 'tty-color-mode | |
679 | (cond | |
680 | ((numberp argval) argval) | |
681 | ((string-match "-?[0-9]+" argval) | |
682 | (string-to-number argval)) | |
683 | (t (intern argval)))) | |
684 | default-frame-alist)) | |
685 | (t | |
686 | (push argi rest))))) | |
687 | (nreverse rest))) | |
c381f482 | 688 | |
aa360da1 GM |
689 | (declare-function x-get-resource "frame.c" |
690 | (attribute class &optional component subclass)) | |
691 | (declare-function tool-bar-mode "tool-bar" (&optional arg)) | |
d2b2930a | 692 | (declare-function tool-bar-setup "tool-bar") |
aa360da1 | 693 | |
4ff029f6 | 694 | (defvar server-name) |
35f372ca | 695 | (defvar server-process) |
4ff029f6 | 696 | |
a726e0d1 | 697 | (defun command-line () |
5c9fad41 | 698 | (setq before-init-time (current-time) |
981c5d1d | 699 | after-init-time nil |
238cbdf8 | 700 | command-line-default-directory default-directory) |
09a1077c | 701 | |
849eedba | 702 | ;; Choose a reasonable location for temporary files. |
a3194d03 | 703 | (custom-reevaluate-setting 'temporary-file-directory) |
51db08eb | 704 | (custom-reevaluate-setting 'small-temporary-file-directory) |
a3194d03 | 705 | (custom-reevaluate-setting 'auto-save-file-name-transforms) |
2aa0e5bf SM |
706 | ;; Force recomputation, in case it was computed during the dump. |
707 | (setq abbreviated-home-dir nil) | |
849eedba | 708 | |
74f2ab06 | 709 | ;; See if we should import version-control from the environment variable. |
a726e0d1 JB |
710 | (let ((vc (getenv "VERSION_CONTROL"))) |
711 | (cond ((eq vc nil)) ;don't do anything if not set | |
bca8c7be | 712 | ((member vc '("t" "numbered")) |
a726e0d1 | 713 | (setq version-control t)) |
bca8c7be | 714 | ((member vc '("nil" "existing")) |
a726e0d1 | 715 | (setq version-control nil)) |
bca8c7be | 716 | ((member vc '("never" "simple")) |
a726e0d1 JB |
717 | (setq version-control 'never)))) |
718 | ||
79058860 JB |
719 | ;;! This has been commented out; I currently find the behavior when |
720 | ;;! split-window-keep-point is nil disturbing, but if I can get used | |
721 | ;;! to it, then it would be better to eliminate the option. | |
722 | ;;! ;; Choose a good default value for split-window-keep-point. | |
723 | ;;! (setq split-window-keep-point (> baud-rate 2400)) | |
f35fe3c6 | 724 | |
d4308a4d EZ |
725 | ;; Set the default strings to display in mode line for |
726 | ;; end-of-line formats that aren't native to this platform. | |
727 | (cond | |
a3374680 | 728 | ((memq system-type '(ms-dos windows-nt)) |
bca8c7be MS |
729 | (setq eol-mnemonic-unix "(Unix)" |
730 | eol-mnemonic-mac "(Mac)")) | |
bca8c7be MS |
731 | (t ; this is for Unix/GNU/Linux systems |
732 | (setq eol-mnemonic-dos "(DOS)" | |
733 | eol-mnemonic-mac "(Mac)"))) | |
d4308a4d | 734 | |
a5b5acaf EZ |
735 | ;; Make sure window system's init file was loaded in loadup.el if |
736 | ;; using a window system. | |
1ed14cfd | 737 | (condition-case error |
e9cda827 KL |
738 | (unless noninteractive |
739 | (if (and initial-window-system | |
740 | (not (featurep | |
a5b5acaf EZ |
741 | (intern |
742 | (concat (symbol-name initial-window-system) "-win"))))) | |
e9cda827 KL |
743 | (error "Unsupported window system `%s'" initial-window-system)) |
744 | ;; Process window-system specific command line parameters. | |
745 | (setq command-line-args | |
a5b5acaf EZ |
746 | (funcall |
747 | (or (cdr (assq initial-window-system handle-args-function-alist)) | |
748 | (error "Unsupported window system `%s'" initial-window-system)) | |
749 | command-line-args)) | |
e9cda827 | 750 | ;; Initialize the window system. (Open connection, etc.) |
a5b5acaf EZ |
751 | (funcall |
752 | (or (cdr (assq initial-window-system window-system-initialization-alist)) | |
753 | (error "Unsupported window system `%s'" initial-window-system)))) | |
e9cda827 | 754 | ;; If there was an error, print the error message and exit. |
1ed14cfd | 755 | (error |
2677ad61 RS |
756 | (princ |
757 | (if (eq (car error) 'error) | |
758 | (apply 'concat (cdr error)) | |
759 | (if (memq 'file-error (get (car error) 'error-conditions)) | |
760 | (format "%s: %s" | |
bca8c7be MS |
761 | (nth 1 error) |
762 | (mapconcat (lambda (obj) (prin1-to-string obj t)) | |
763 | (cdr (cdr error)) ", ")) | |
2677ad61 | 764 | (format "%s: %s" |
bca8c7be MS |
765 | (get (car error) 'error-message) |
766 | (mapconcat (lambda (obj) (prin1-to-string obj t)) | |
767 | (cdr error) ", ")))) | |
2677ad61 | 768 | 'external-debugging-output) |
27f5188c | 769 | (terpri 'external-debugging-output) |
2246281f | 770 | (setq initial-window-system nil) |
1ed14cfd | 771 | (kill-emacs))) |
a726e0d1 | 772 | |
640a9cdd JR |
773 | (set-locale-environment nil) |
774 | ||
735895f1 EZ |
775 | ;; Convert preloaded file names in load-history to absolute. |
776 | (let ((simple-file-name | |
3b61abfe EZ |
777 | ;; Look for simple.el or simple.elc and use their directory |
778 | ;; as the place where all Lisp files live. | |
735895f1 EZ |
779 | (locate-file "simple" load-path (get-load-suffixes))) |
780 | lisp-dir) | |
781 | ;; Don't abort if simple.el cannot be found, but print a warning. | |
782 | (if (null simple-file-name) | |
783 | (progn | |
784 | (princ "Warning: Could not find simple.el nor simple.elc" | |
785 | 'external-debugging-output) | |
786 | (terpri 'external-debugging-output)) | |
787 | (setq lisp-dir (file-truename (file-name-directory simple-file-name))) | |
788 | (setq load-history | |
789 | (mapcar (lambda (elt) | |
790 | (if (and (stringp (car elt)) | |
791 | (not (file-name-absolute-p (car elt)))) | |
792 | (cons (concat lisp-dir | |
793 | (car elt)) | |
794 | (cdr elt)) | |
795 | elt)) | |
796 | load-history)))) | |
4b816985 | 797 | |
c16eb7b0 RS |
798 | ;; Convert the arguments to Emacs internal representation. |
799 | (let ((args (cdr command-line-args))) | |
800 | (while args | |
801 | (setcar args | |
802 | (decode-coding-string (car args) locale-coding-system t)) | |
bca8c7be | 803 | (pop args))) |
c16eb7b0 | 804 | |
03e3c30a JB |
805 | (let ((done nil) |
806 | (args (cdr command-line-args))) | |
807 | ||
a726e0d1 JB |
808 | ;; Figure out which user's init file to load, |
809 | ;; either from the environment or from the options. | |
810 | (setq init-file-user (if noninteractive nil (user-login-name))) | |
811 | ;; If user has not done su, use current $HOME to find .emacs. | |
bca8c7be MS |
812 | (and init-file-user |
813 | (equal init-file-user (user-real-login-name)) | |
a726e0d1 | 814 | (setq init-file-user "")) |
03e3c30a JB |
815 | |
816 | ;; Process the command-line args, and delete the arguments | |
817 | ;; processed. This is consistent with the way main in emacs.c | |
818 | ;; does things. | |
a726e0d1 | 819 | (while (and (not done) args) |
9ab281f0 JB |
820 | (let* ((longopts '(("--no-init-file") ("--no-site-file") ("--debug-init") |
821 | ("--user") ("--iconic") ("--icon-type") ("--quick") | |
822 | ("--no-blinking-cursor") ("--basic-display"))) | |
bca8c7be MS |
823 | (argi (pop args)) |
824 | (orig-argi argi) | |
825 | argval) | |
452e9090 | 826 | ;; Handle --OPTION=VALUE format. |
7b704afe | 827 | (when (string-match "\\`\\(--[^=]*\\)=" argi) |
1b207153 | 828 | (setq argval (substring argi (match-end 0)) |
bca8c7be | 829 | argi (match-string 1 argi))) |
7b704afe | 830 | (when (string-match "\\`--." orig-argi) |
1b207153 CW |
831 | (let ((completion (try-completion argi longopts))) |
832 | (if (eq completion t) | |
833 | (setq argi (substring argi 1)) | |
834 | (if (stringp completion) | |
835 | (let ((elt (assoc completion longopts))) | |
836 | (or elt | |
837 | (error "Option `%s' is ambiguous" argi)) | |
838 | (setq argi (substring (car elt) 1))) | |
bca8c7be MS |
839 | (setq argval nil |
840 | argi orig-argi))))) | |
a726e0d1 | 841 | (cond |
dc58296d | 842 | ((member argi '("-Q" "-quick")) |
6b61353c KH |
843 | (setq init-file-user nil |
844 | site-run-file nil | |
dc58296d RS |
845 | emacs-quick-startup t)) |
846 | ((member argi '("-D" "-basic-display")) | |
847 | (setq no-blinking-cursor t | |
848 | emacs-basic-display t) | |
6b61353c | 849 | (push '(vertical-scroll-bars . nil) initial-frame-alist)) |
4e0a3971 SM |
850 | ((member argi '("-q" "-no-init-file")) |
851 | (setq init-file-user nil)) | |
852 | ((member argi '("-u" "-user")) | |
bca8c7be | 853 | (setq init-file-user (or argval (pop args)) |
4e0a3971 | 854 | argval nil)) |
bca8c7be | 855 | ((equal argi "-no-site-file") |
4e0a3971 | 856 | (setq site-run-file nil)) |
bca8c7be | 857 | ((equal argi "-debug-init") |
4e0a3971 | 858 | (setq init-file-debug t)) |
bca8c7be | 859 | ((equal argi "-iconic") |
4e0a3971 | 860 | (push '(visibility . icon) initial-frame-alist)) |
bca8c7be | 861 | ((member argi '("-icon-type" "-i" "-itype")) |
4e0a3971 | 862 | (push '(icon-type . t) default-frame-alist)) |
178b4542 JL |
863 | ((member argi '("-nbc" "-no-blinking-cursor")) |
864 | (setq no-blinking-cursor t)) | |
4e0a3971 | 865 | ;; Push the popped arg back on the list of arguments. |
bca8c7be MS |
866 | (t |
867 | (push argi args) | |
868 | (setq done t))) | |
096b7031 KH |
869 | ;; Was argval set but not used? |
870 | (and argval | |
871 | (error "Option `%s' doesn't allow an argument" argi)))) | |
872 | ||
03e3c30a | 873 | ;; Re-attach the program name to the front of the arg list. |
bca8c7be MS |
874 | (and command-line-args |
875 | (setcdr command-line-args args))) | |
a726e0d1 | 876 | |
ce98f555 RS |
877 | (run-hooks 'before-init-hook) |
878 | ||
7581ba40 RF |
879 | ;; Under X Window, this creates the X frame and deletes the terminal frame. |
880 | (unless (daemonp) | |
9ba6e7d4 | 881 | (frame-initialize)) |
14f16b9c | 882 | |
ed0fb1f1 | 883 | ;; Turn off blinking cursor if so specified in X resources. This is here |
b08cb5a6 | 884 | ;; only because all other settings of no-blinking-cursor are here. |
ed0fb1f1 JD |
885 | (unless (or noninteractive |
886 | emacs-basic-display | |
9e2a2647 | 887 | (and (memq window-system '(x w32 ns)) |
ed0fb1f1 JD |
888 | (not (member (x-get-resource "cursorBlink" "CursorBlink") |
889 | '("off" "false"))))) | |
890 | (setq no-blinking-cursor t)) | |
891 | ||
32f1cc7b DN |
892 | ;; If frame was created with a menu bar, set menu-bar-mode on. |
893 | (unless (or noninteractive | |
894 | emacs-basic-display | |
895 | (and (memq initial-window-system '(x w32)) | |
896 | (<= (frame-parameter nil 'menu-bar-lines) 0))) | |
8ab9589d | 897 | (menu-bar-mode 1)) |
c722566c | 898 | |
d2b2930a CY |
899 | (unless (or noninteractive (not (fboundp 'tool-bar-mode))) |
900 | ;; Set up the tool-bar. Do this even in tty frames, so that there | |
901 | ;; is a tool-bar if Emacs later opens a graphical frame. | |
902 | (if (or emacs-basic-display | |
903 | (and (numberp (frame-parameter nil 'tool-bar-lines)) | |
904 | (<= (frame-parameter nil 'tool-bar-lines) 0))) | |
905 | ;; On a graphical display with the toolbar disabled via X | |
906 | ;; resources, set up the toolbar without enabling it. | |
907 | (tool-bar-setup) | |
908 | ;; Otherwise, enable tool-bar-mode. | |
909 | (tool-bar-mode 1))) | |
7d1eb6a4 | 910 | |
790d0270 SM |
911 | ;; Re-evaluate predefined variables whose initial value depends on |
912 | ;; the runtime context. | |
913 | (mapc 'custom-reevaluate-setting | |
914 | ;; Initialize them in the same order they were loaded, in case there | |
915 | ;; are dependencies between them. | |
916 | (prog1 (nreverse custom-delayed-init-variables) | |
917 | (setq custom-delayed-init-variables nil))) | |
918 | ||
3413f928 | 919 | ;; Can't do this init in defcustom because the relevant variables |
a3194d03 SM |
920 | ;; are not set. |
921 | (custom-reevaluate-setting 'blink-cursor-mode) | |
dc86f0a9 | 922 | (custom-reevaluate-setting 'tooltip-mode) |
c442c26d | 923 | (custom-reevaluate-setting 'global-font-lock-mode) |
97a7dbee YM |
924 | (custom-reevaluate-setting 'mouse-wheel-down-event) |
925 | (custom-reevaluate-setting 'mouse-wheel-up-event) | |
db441dba | 926 | (custom-reevaluate-setting 'file-name-shadow-mode) |
a496452f | 927 | (custom-reevaluate-setting 'send-mail-function) |
1e2d7573 | 928 | (custom-reevaluate-setting 'focus-follows-mouse) |
2cc11fd4 | 929 | (custom-reevaluate-setting 'global-auto-composition-mode) |
a2b84f35 | 930 | (custom-reevaluate-setting 'transient-mark-mode) |
6f8a4190 | 931 | (custom-reevaluate-setting 'auto-encryption-mode) |
3b73087e | 932 | |
30a2fded KL |
933 | (normal-erase-is-backspace-setup-frame) |
934 | ||
1592c1ef | 935 | ;; Register default TTY colors for the case the terminal hasn't a |
79c3172f KL |
936 | ;; terminal init file. We do this regardles of whether the terminal |
937 | ;; supports colors or not and regardless the current display type, | |
938 | ;; since users can connect to color-capable terminals and also | |
939 | ;; switch color support on or off in mid-session by setting the | |
940 | ;; tty-color-mode frame parameter. | |
a5b5acaf EZ |
941 | ;; Exception: the `pc' ``window system'' has only 16 fixed colors, |
942 | ;; and they are already set at this point by a suitable function in | |
943 | ;; window-system-initialization-alist. | |
944 | (or (eq initial-window-system 'pc) | |
945 | (tty-register-default-colors)) | |
1592c1ef | 946 | |
3a55d3d0 JR |
947 | ;; Record whether the tool-bar is present before the user and site |
948 | ;; init files are processed. frame-notice-user-settings uses this | |
949 | ;; to determine if the tool-bar has been disabled by the init files, | |
950 | ;; and the frame needs to be resized. | |
951 | (when (fboundp 'frame-notice-user-settings) | |
952 | (let ((tool-bar-lines (or (assq 'tool-bar-lines initial-frame-alist) | |
953 | (assq 'tool-bar-lines default-frame-alist)))) | |
954 | (setq tool-bar-originally-present | |
bca8c7be MS |
955 | (and tool-bar-lines |
956 | (cdr tool-bar-lines) | |
957 | (not (eq 0 (cdr tool-bar-lines))))))) | |
3a55d3d0 | 958 | |
752ef254 GM |
959 | (let ((old-scalable-fonts-allowed scalable-fonts-allowed) |
960 | (old-font-list-limit font-list-limit) | |
961 | (old-face-ignored-fonts face-ignored-fonts)) | |
962 | ||
752ef254 GM |
963 | ;; Run the site-start library if it exists. The point of this file is |
964 | ;; that it is run before .emacs. There is no point in doing this after | |
965 | ;; .emacs; that is useless. | |
5f144784 GM |
966 | ;; Note that user-init-file is nil at this point. Code that might |
967 | ;; be loaded from site-run-file and wants to test if -q was given | |
968 | ;; should check init-file-user instead, since that is already set. | |
969 | ;; See cus-edit.el for an example. | |
f1180544 | 970 | (if site-run-file |
752ef254 GM |
971 | (load site-run-file t t)) |
972 | ||
973 | ;; Sites should not disable this. Only individuals should disable | |
1cff9ad1 JL |
974 | ;; the startup screen. |
975 | (setq inhibit-startup-screen nil) | |
752ef254 | 976 | |
f963ea40 | 977 | ;; Warn for invalid user name. |
ce98f555 RS |
978 | (when init-file-user |
979 | (if (string-match "[~/:\n]" init-file-user) | |
980 | (display-warning 'initialization | |
981 | (format "Invalid user name %s" | |
982 | init-file-user) | |
983 | :error) | |
1df1e49e | 984 | (if (file-directory-p (expand-file-name |
5463218c EZ |
985 | ;; We don't support ~USER on MS-Windows |
986 | ;; and MS-DOS except for the current | |
987 | ;; user, and always load .emacs from | |
988 | ;; the current user's home directory | |
989 | ;; (see below). So always check "~", | |
990 | ;; even if invoked with "-u USER", or | |
991 | ;; if $USER or $LOGNAME are set to | |
992 | ;; something different. | |
993 | (if (memq system-type '(windows-nt ms-dos)) | |
1df1e49e EZ |
994 | "~" |
995 | (concat "~" init-file-user)))) | |
ce98f555 RS |
996 | nil |
997 | (display-warning 'initialization | |
998 | (format "User %s has no home directory" | |
999 | init-file-user) | |
1000 | :error)))) | |
f963ea40 | 1001 | |
752ef254 GM |
1002 | ;; Load that user's init file, or the default one, or none. |
1003 | (let (debug-on-error-from-init-file | |
1004 | debug-on-error-should-be-set | |
1005 | (debug-on-error-initial | |
1006 | (if (eq init-file-debug t) 'startup init-file-debug)) | |
597e2240 | 1007 | (orig-enable-multibyte (default-value 'enable-multibyte-characters))) |
752ef254 GM |
1008 | (let ((debug-on-error debug-on-error-initial) |
1009 | ;; This function actually reads the init files. | |
1010 | (inner | |
1011 | (function | |
1012 | (lambda () | |
1013 | (if init-file-user | |
1014 | (let ((user-init-file-1 | |
4e0a3971 | 1015 | (cond |
752ef254 GM |
1016 | ((eq system-type 'ms-dos) |
1017 | (concat "~" init-file-user "/_emacs")) | |
1018 | ((eq system-type 'windows-nt) | |
fe7ecaf2 | 1019 | ;; Prefer .emacs on Windows. |
752ef254 GM |
1020 | (if (directory-files "~" nil "^\\.emacs\\(\\.elc?\\)?$") |
1021 | "~/.emacs" | |
fe7ecaf2 JR |
1022 | ;; Also support _emacs for compatibility. |
1023 | (if (directory-files "~" nil "^_emacs\\(\\.elc?\\)?$") | |
1024 | "~/_emacs" | |
1025 | ;; But default to .emacs if _emacs does not exist. | |
1026 | "~/.emacs"))) | |
4e0a3971 | 1027 | (t |
752ef254 GM |
1028 | (concat "~" init-file-user "/.emacs"))))) |
1029 | ;; This tells `load' to store the file name found | |
1030 | ;; into user-init-file. | |
1031 | (setq user-init-file t) | |
1032 | (load user-init-file-1 t t) | |
f1180544 | 1033 | |
a04d5983 RS |
1034 | (when (eq user-init-file t) |
1035 | ;; If we did not find ~/.emacs, try | |
c3ab3701 | 1036 | ;; ~/.emacs.d/init.el. |
a04d5983 RS |
1037 | (let ((otherfile |
1038 | (expand-file-name | |
c3ab3701 | 1039 | "init" |
a04d5983 | 1040 | (file-name-as-directory |
c3ab3701 | 1041 | (concat "~" init-file-user "/.emacs.d"))))) |
a04d5983 RS |
1042 | (load otherfile t t) |
1043 | ||
1044 | ;; If we did not find the user's init file, | |
1045 | ;; set user-init-file conclusively. | |
1046 | ;; Don't let it be set from default.el. | |
1047 | (when (eq user-init-file t) | |
1048 | (setq user-init-file user-init-file-1)))) | |
f1180544 | 1049 | |
752ef254 GM |
1050 | ;; If we loaded a compiled file, set |
1051 | ;; `user-init-file' to the source version if that | |
1052 | ;; exists. | |
1053 | (when (and user-init-file | |
1054 | (equal (file-name-extension user-init-file) | |
1055 | "elc")) | |
1056 | (let* ((source (file-name-sans-extension user-init-file)) | |
1057 | (alt (concat source ".el"))) | |
1058 | (setq source (cond ((file-exists-p alt) alt) | |
1059 | ((file-exists-p source) source) | |
1060 | (t nil))) | |
1061 | (when source | |
1062 | (when (file-newer-than-file-p source user-init-file) | |
1063 | (message "Warning: %s is newer than %s" | |
1064 | source user-init-file) | |
1065 | (sit-for 1)) | |
1066 | (setq user-init-file source)))) | |
f1180544 | 1067 | |
bca8c7be | 1068 | (unless inhibit-default-init |
1cff9ad1 | 1069 | (let ((inhibit-startup-screen nil)) |
bca8c7be MS |
1070 | ;; Users are supposed to be told their rights. |
1071 | ;; (Plus how to get help and how to undo.) | |
1072 | ;; Don't you dare turn this off for anyone | |
1073 | ;; except yourself. | |
1074 | (load "default" t t))))))))) | |
752ef254 GM |
1075 | (if init-file-debug |
1076 | ;; Do this without a condition-case if the user wants to debug. | |
1077 | (funcall inner) | |
1078 | (condition-case error | |
1079 | (progn | |
1080 | (funcall inner) | |
1081 | (setq init-file-had-error nil)) | |
1082 | (error | |
f2602864 CY |
1083 | (display-warning |
1084 | 'initialization | |
1085 | (format "An error occurred while loading `%s':\n\n%s%s%s\n\n\ | |
1086 | To ensure normal operation, you should investigate and remove the | |
1087 | cause of the error in your initialization file. Start Emacs with | |
1088 | the `--debug-init' option to view a complete error backtrace." | |
1089 | user-init-file | |
1090 | (get (car error) 'error-message) | |
1091 | (if (cdr error) ": " "") | |
1092 | (mapconcat (lambda (s) (prin1-to-string s t)) (cdr error) ", ")) | |
1093 | :warning) | |
1094 | (setq init-file-had-error t)))) | |
1095 | ||
1096 | (if (and deactivate-mark transient-mark-mode) | |
9c8b2150 RS |
1097 | (with-current-buffer (window-buffer) |
1098 | (deactivate-mark))) | |
1099 | ||
d5bd2558 GM |
1100 | ;; If the user has a file of abbrevs, read it (unless -batch). |
1101 | (when (and (not noninteractive) | |
1102 | (file-exists-p abbrev-file-name) | |
2863a9be | 1103 | (file-readable-p abbrev-file-name)) |
ac3186fd RS |
1104 | (quietly-read-abbrev-file abbrev-file-name)) |
1105 | ||
70b199c3 RS |
1106 | ;; If the abbrevs came entirely from the init file or the |
1107 | ;; abbrevs file, they do not need saving. | |
1108 | (setq abbrevs-changed nil) | |
1109 | ||
752ef254 GM |
1110 | ;; If we can tell that the init file altered debug-on-error, |
1111 | ;; arrange to preserve the value that it set up. | |
1112 | (or (eq debug-on-error debug-on-error-initial) | |
1113 | (setq debug-on-error-should-be-set t | |
1114 | debug-on-error-from-init-file debug-on-error))) | |
1115 | (if debug-on-error-should-be-set | |
1116 | (setq debug-on-error debug-on-error-from-init-file)) | |
597e2240 GM |
1117 | (unless (or (default-value 'enable-multibyte-characters) |
1118 | (eq orig-enable-multibyte (default-value | |
1119 | 'enable-multibyte-characters))) | |
752ef254 GM |
1120 | ;; Init file changed to unibyte. Reset existing multibyte |
1121 | ;; buffers (probably *scratch*, *Messages*, *Minibuff-0*). | |
1122 | ;; Arguably this should only be done if they're free of | |
1123 | ;; multibyte characters. | |
e18c18e8 JB |
1124 | (mapc (lambda (buffer) |
1125 | (with-current-buffer buffer | |
1126 | (if enable-multibyte-characters | |
1127 | (set-buffer-multibyte nil)))) | |
1128 | (buffer-list)) | |
752ef254 GM |
1129 | ;; Also re-set the language environment in case it was |
1130 | ;; originally done before unibyte was set and is sensitive to | |
1131 | ;; unibyte (display table, terminal coding system &c). | |
1132 | (set-language-environment current-language-environment))) | |
f1180544 | 1133 | |
752ef254 | 1134 | ;; Do this here in case the init file sets mail-host-address. |
5b88a2c5 | 1135 | (if (equal user-mail-address "") |
cee0c996 EZ |
1136 | (setq user-mail-address (or (getenv "EMAIL") |
1137 | (concat (user-login-name) "@" | |
1138 | (or mail-host-address | |
1139 | (system-name)))))) | |
752ef254 | 1140 | |
d60b49ac DN |
1141 | ;; Originally face attributes were specified via |
1142 | ;; `font-lock-face-attributes'. Users then changed the default | |
1143 | ;; face attributes by setting that variable. However, we try and | |
1144 | ;; be back-compatible and respect its value if set except for | |
1145 | ;; faces where M-x customize has been used to save changes for the | |
1146 | ;; face. | |
1147 | (when (boundp 'font-lock-face-attributes) | |
1148 | (let ((face-attributes font-lock-face-attributes)) | |
1149 | (while face-attributes | |
1150 | (let* ((face-attribute (pop face-attributes)) | |
1151 | (face (car face-attribute))) | |
1152 | ;; Rustle up a `defface' SPEC from a | |
1153 | ;; `font-lock-face-attributes' entry. | |
1154 | (unless (get face 'saved-face) | |
1155 | (let ((foreground (nth 1 face-attribute)) | |
1156 | (background (nth 2 face-attribute)) | |
1157 | (bold-p (nth 3 face-attribute)) | |
1158 | (italic-p (nth 4 face-attribute)) | |
1159 | (underline-p (nth 5 face-attribute)) | |
1160 | face-spec) | |
1161 | (when foreground | |
1162 | (setq face-spec (cons ':foreground (cons foreground face-spec)))) | |
1163 | (when background | |
1164 | (setq face-spec (cons ':background (cons background face-spec)))) | |
1165 | (when bold-p | |
1166 | (setq face-spec (append '(:weight bold) face-spec))) | |
1167 | (when italic-p | |
1168 | (setq face-spec (append '(:slant italic) face-spec))) | |
1169 | (when underline-p | |
1170 | (setq face-spec (append '(:underline t) face-spec))) | |
1171 | (face-spec-set face (list (list t face-spec)) nil))))))) | |
1172 | ||
752ef254 GM |
1173 | ;; If parameter have been changed in the init file which influence |
1174 | ;; face realization, clear the face cache so that new faces will | |
1175 | ;; be realized. | |
1176 | (unless (and (eq scalable-fonts-allowed old-scalable-fonts-allowed) | |
1177 | (eq font-list-limit old-font-list-limit) | |
1178 | (eq face-ignored-fonts old-face-ignored-fonts)) | |
1179 | (clear-face-cache))) | |
f1180544 | 1180 | |
5ab0e67e | 1181 | (setq after-init-time (current-time)) |
e3bd99f5 RM |
1182 | (run-hooks 'after-init-hook) |
1183 | ||
1fc67c11 | 1184 | ;; Decode all default-directory. |
597e2240 | 1185 | (if (and (default-value 'enable-multibyte-characters) locale-coding-system) |
cea927ed KH |
1186 | (save-excursion |
1187 | (dolist (elt (buffer-list)) | |
1188 | (set-buffer elt) | |
1189 | (if default-directory | |
1190 | (setq default-directory | |
1191 | (decode-coding-string default-directory | |
1192 | locale-coding-system t)))) | |
1193 | (setq command-line-default-directory | |
1194 | (decode-coding-string command-line-default-directory | |
1195 | locale-coding-system t)))) | |
1196 | ||
a726e0d1 JB |
1197 | ;; If *scratch* exists and init file didn't change its mode, initialize it. |
1198 | (if (get-buffer "*scratch*") | |
694210c4 | 1199 | (with-current-buffer "*scratch*" |
a726e0d1 | 1200 | (if (eq major-mode 'fundamental-mode) |
26cdce23 | 1201 | (funcall initial-major-mode)))) |
f1180544 | 1202 | |
a726e0d1 JB |
1203 | ;; Load library for our terminal type. |
1204 | ;; User init file can set term-file-prefix to nil to prevent this. | |
bca8c7be | 1205 | (unless (or noninteractive |
cd85984a KL |
1206 | initial-window-system) |
1207 | (tty-run-terminal-initialization (selected-frame))) | |
a726e0d1 | 1208 | |
5777a167 RS |
1209 | ;; Update the out-of-memory error message based on user's key bindings |
1210 | ;; for save-some-buffers. | |
1211 | (setq memory-signal-data | |
1212 | (list 'error | |
1213 | (substitute-command-keys "Memory exhausted--use \\[save-some-buffers] then exit and restart Emacs"))) | |
1214 | ||
03e3c30a | 1215 | ;; Process the remaining args. |
a726e0d1 JB |
1216 | (command-line-1 (cdr command-line-args)) |
1217 | ||
1218 | ;; If -batch, terminate after processing the command options. | |
ca57f55d JD |
1219 | (if noninteractive (kill-emacs t)) |
1220 | ||
7581ba40 RF |
1221 | ;; In daemon mode, start the server to allow clients to connect. |
1222 | ;; This is done after loading the user's init file and after | |
1223 | ;; processing all command line arguments to allow e.g. `server-name' | |
1224 | ;; to be changed before the server starts. | |
4ff029f6 DN |
1225 | (let ((dn (daemonp))) |
1226 | (when dn | |
1227 | (when (stringp dn) (setq server-name dn)) | |
1228 | (server-start) | |
35f372ca JB |
1229 | (if server-process |
1230 | (daemon-initialized) | |
fd95644b DN |
1231 | (if (stringp dn) |
1232 | (message | |
1233 | "Unable to start daemon: Emacs server named %S already running" | |
1234 | server-name) | |
1235 | (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 | 1236 | (kill-emacs 1)))) |
7581ba40 | 1237 | |
ca57f55d JD |
1238 | ;; Run emacs-session-restore (session management) if started by |
1239 | ;; the session manager and we have a session manager connection. | |
bca8c7be MS |
1240 | (if (and (boundp 'x-session-previous-id) |
1241 | (stringp x-session-previous-id)) | |
a99df87d RS |
1242 | (with-no-warnings |
1243 | (emacs-session-restore x-session-previous-id)))) | |
a726e0d1 | 1244 | |
46cfd295 | 1245 | (defcustom initial-scratch-message (purecopy "\ |
3b79c219 GM |
1246 | ;; This buffer is for notes you don't want to save, and for Lisp evaluation. |
1247 | ;; If you want to create a file, visit that file with C-x C-f, | |
1248 | ;; then enter the text in that file's own buffer. | |
9fe3219e | 1249 | |
46cfd295 | 1250 | ") |
9fe3219e | 1251 | "Initial message displayed in *scratch* buffer at startup. |
9bc6f805 | 1252 | If this is nil, no message will be displayed." |
fa071a47 RS |
1253 | :type '(choice (text :tag "Message") |
1254 | (const :tag "none" nil)) | |
1255 | :group 'initialization) | |
9fe3219e | 1256 | |
ce9ded5d GM |
1257 | \f |
1258 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
1259 | ;;; Fancy splash screen | |
1260 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
1261 | ||
fad930b6 | 1262 | (defvar fancy-startup-text |
422abbfd | 1263 | '((:face (variable-pitch (:foreground "red")) |
22a58255 | 1264 | "Welcome to " |
6e0cfad3 JL |
1265 | :link ("GNU Emacs" |
1266 | (lambda (button) (browse-url "http://www.gnu.org/software/emacs/")) | |
1267 | "Browse http://www.gnu.org/software/emacs/") | |
22a58255 CY |
1268 | ", one component of the " |
1269 | :link | |
1270 | (lambda () | |
1271 | (if (eq system-type 'gnu/linux) | |
6e0cfad3 JL |
1272 | '("GNU/Linux" |
1273 | (lambda (button) (browse-url "http://www.gnu.org/gnu/linux-and-gnu.html")) | |
1274 | "Browse http://www.gnu.org/gnu/linux-and-gnu.html") | |
92b2e7a3 | 1275 | '("GNU" (lambda (button) (describe-gnu-project)) |
6e0cfad3 | 1276 | "Display info on the GNU project"))) |
bb398779 | 1277 | " operating system.\n\n" |
ca267291 | 1278 | :face variable-pitch |
fad930b6 | 1279 | :link ("Emacs Tutorial" (lambda (button) (help-with-tutorial))) |
22a58255 | 1280 | "\tLearn basic keystroke commands" |
fad930b6 RS |
1281 | (lambda () |
1282 | (let* ((en "TUTORIAL") | |
1283 | (tut (or (get-language-info current-language-environment | |
1284 | 'tutorial) | |
1285 | en)) | |
1286 | (title (with-temp-buffer | |
1287 | (insert-file-contents | |
1288 | (expand-file-name tut tutorial-directory) | |
1289 | nil 0 256) | |
1290 | (search-forward ".") | |
1291 | (buffer-substring (point-min) (1- (point)))))) | |
1292 | ;; If there is a specific tutorial for the current language | |
1293 | ;; environment and it is not English, append its title. | |
1294 | (if (string= en tut) | |
1295 | "" | |
1296 | (concat " (" title ")")))) | |
1297 | "\n" | |
fad930b6 | 1298 | :link ("Emacs Guided Tour" |
6e0cfad3 JL |
1299 | (lambda (button) (browse-url "http://www.gnu.org/software/emacs/tour/")) |
1300 | "Browse http://www.gnu.org/software/emacs/tour/") | |
bb398779 | 1301 | "\tOverview of Emacs features at gnu.org\n" |
490a1ad6 JL |
1302 | :link ("View Emacs Manual" (lambda (button) (info-emacs-manual))) |
1303 | "\tView the Emacs manual using Info\n" | |
fad930b6 RS |
1304 | :link ("Absence of Warranty" (lambda (button) (describe-no-warranty))) |
1305 | "\tGNU Emacs comes with " | |
422abbfd | 1306 | :face (variable-pitch (:slant oblique)) |
fad930b6 RS |
1307 | "ABSOLUTELY NO WARRANTY\n" |
1308 | :face variable-pitch | |
1309 | :link ("Copying Conditions" (lambda (button) (describe-copying))) | |
1310 | "\tConditions for redistributing and changing Emacs\n" | |
22a58255 CY |
1311 | :link ("Ordering Manuals" (lambda (button) (view-order-manuals))) |
1312 | "\tPurchasing printed copies of manuals\n" | |
fad930b6 | 1313 | "\n")) |
ce9ded5d GM |
1314 | "A list of texts to show in the middle part of splash screens. |
1315 | Each element in the list should be a list of strings or pairs | |
1316 | `:face FACE', like `fancy-splash-insert' accepts them.") | |
1317 | ||
1d865f15 | 1318 | (defvar fancy-about-text |
422abbfd | 1319 | '((:face (variable-pitch (:foreground "red")) |
22a58255 | 1320 | "This is " |
6e0cfad3 JL |
1321 | :link ("GNU Emacs" |
1322 | (lambda (button) (browse-url "http://www.gnu.org/software/emacs/")) | |
1323 | "Browse http://www.gnu.org/software/emacs/") | |
22a58255 CY |
1324 | ", one component of the " |
1325 | :link | |
1326 | (lambda () | |
1327 | (if (eq system-type 'gnu/linux) | |
6e0cfad3 JL |
1328 | '("GNU/Linux" |
1329 | (lambda (button) (browse-url "http://www.gnu.org/gnu/linux-and-gnu.html")) | |
1330 | "Browse http://www.gnu.org/gnu/linux-and-gnu.html") | |
92b2e7a3 | 1331 | '("GNU" (lambda (button) (describe-gnu-project)) |
6e0cfad3 | 1332 | "Display info on the GNU project."))) |
22a58255 | 1333 | " operating system.\n" |
34acda03 | 1334 | :face (lambda () |
422abbfd RS |
1335 | (list 'variable-pitch |
1336 | (list :foreground | |
1337 | (if (eq (frame-parameter nil 'background-mode) 'dark) | |
1338 | "cyan" "darkblue")))) | |
22a58255 CY |
1339 | "\n" |
1340 | (lambda () (emacs-version)) | |
1341 | "\n" | |
245a7698 | 1342 | :face (variable-pitch (:height 0.8)) |
22a58255 CY |
1343 | (lambda () emacs-copyright) |
1344 | "\n\n" | |
1345 | :face variable-pitch | |
490a1ad6 JL |
1346 | :link ("Authors" |
1347 | (lambda (button) | |
1348 | (view-file (expand-file-name "AUTHORS" data-directory)) | |
1349 | (goto-char (point-min)))) | |
1350 | "\tMany people have contributed code included in GNU Emacs\n" | |
1351 | :link ("Contributing" | |
1352 | (lambda (button) | |
1353 | (view-file (expand-file-name "CONTRIBUTE" data-directory)) | |
1354 | (goto-char (point-min)))) | |
1355 | "\tHow to contribute improvements to Emacs\n" | |
1356 | "\n" | |
92b2e7a3 | 1357 | :link ("GNU and Freedom" (lambda (button) (describe-gnu-project))) |
fad930b6 RS |
1358 | "\tWhy we developed GNU Emacs, and the GNU operating system\n" |
1359 | :link ("Absence of Warranty" (lambda (button) (describe-no-warranty))) | |
1360 | "\tGNU Emacs comes with " | |
422abbfd | 1361 | :face (variable-pitch (:slant oblique)) |
fad930b6 RS |
1362 | "ABSOLUTELY NO WARRANTY\n" |
1363 | :face variable-pitch | |
1364 | :link ("Copying Conditions" (lambda (button) (describe-copying))) | |
1365 | "\tConditions for redistributing and changing Emacs\n" | |
1366 | :link ("Getting New Versions" (lambda (button) (describe-distribution))) | |
1367 | "\tHow to obtain the latest version of Emacs\n" | |
1cff9ad1 JL |
1368 | :link ("Ordering Manuals" (lambda (button) (view-order-manuals))) |
1369 | "\tBuying printed manuals from the FSF\n" | |
fad930b6 RS |
1370 | "\n" |
1371 | :link ("Emacs Tutorial" (lambda (button) (help-with-tutorial))) | |
1372 | "\tLearn basic Emacs keystroke commands" | |
1373 | (lambda () | |
1374 | (let* ((en "TUTORIAL") | |
1375 | (tut (or (get-language-info current-language-environment | |
1376 | 'tutorial) | |
1377 | en)) | |
1378 | (title (with-temp-buffer | |
1379 | (insert-file-contents | |
1380 | (expand-file-name tut tutorial-directory) | |
1381 | nil 0 256) | |
1382 | (search-forward ".") | |
1383 | (buffer-substring (point-min) (1- (point)))))) | |
1384 | ;; If there is a specific tutorial for the current language | |
1385 | ;; environment and it is not English, append its title. | |
1386 | (if (string= en tut) | |
1387 | "" | |
1388 | (concat " (" title ")")))) | |
1389 | "\n" | |
1390 | :link ("Emacs Guided Tour" | |
6e0cfad3 JL |
1391 | (lambda (button) (browse-url "http://www.gnu.org/software/emacs/tour/")) |
1392 | "Browse http://www.gnu.org/software/emacs/tour/") | |
fad930b6 RS |
1393 | "\tSee an overview of the many facilities of GNU Emacs" |
1394 | )) | |
1d865f15 JL |
1395 | "A list of texts to show in the middle part of the About screen. |
1396 | Each element in the list should be a list of strings or pairs | |
1397 | `:face FACE', like `fancy-splash-insert' accepts them.") | |
1398 | ||
ce9ded5d | 1399 | |
fb275c02 | 1400 | (defgroup fancy-splash-screen () |
a01bb1db | 1401 | "Fancy splash screen when Emacs starts." |
fb275c02 | 1402 | :version "21.1" |
a01bb1db GM |
1403 | :group 'initialization) |
1404 | ||
8ad8561b | 1405 | (defcustom fancy-splash-image nil |
ea6c930a | 1406 | "The image to show in the splash screens, or nil for defaults." |
a01bb1db | 1407 | :group 'fancy-splash-screen |
8ad8561b GM |
1408 | :type '(choice (const :tag "Default" nil) |
1409 | (file :tag "File"))) | |
ce9ded5d GM |
1410 | |
1411 | ||
aeb6faec | 1412 | (defvar splash-screen-keymap |
26cdce23 JL |
1413 | (let ((map (make-sparse-keymap))) |
1414 | (suppress-keymap map) | |
1415 | (set-keymap-parent map button-buffer-map) | |
aeb6faec JL |
1416 | (define-key map "\C-?" 'scroll-down) |
1417 | (define-key map " " 'scroll-up) | |
1418 | (define-key map "q" 'exit-splash-screen) | |
26cdce23 JL |
1419 | map) |
1420 | "Keymap for splash screen buffer.") | |
1421 | ||
f645586f GM |
1422 | ;; These are temporary storage areas for the splash screen display. |
1423 | ||
ce9ded5d GM |
1424 | (defun fancy-splash-insert (&rest args) |
1425 | "Insert text into the current buffer, with faces. | |
22a58255 CY |
1426 | Arguments from ARGS should be either strings; functions called |
1427 | with no args that return a string; pairs `:face FACE', where FACE | |
1428 | is a face specification usable with `put-text-property'; or pairs | |
1429 | `:link LINK' where LINK is a list of arguments to pass to | |
6e0cfad3 JL |
1430 | `insert-button', of the form (LABEL ACTION [HELP-ECHO]), which |
1431 | specifies the button's label, `action' property and help-echo string. | |
1432 | FACE and LINK can also be functions, which are evaluated to obtain | |
1433 | a face or button specification." | |
ce9ded5d GM |
1434 | (let ((current-face nil)) |
1435 | (while args | |
26cdce23 | 1436 | (cond ((eq (car args) :face) |
22a58255 CY |
1437 | (setq args (cdr args) current-face (car args)) |
1438 | (if (functionp current-face) | |
1439 | (setq current-face (funcall current-face)))) | |
26cdce23 JL |
1440 | ((eq (car args) :link) |
1441 | (setq args (cdr args)) | |
1442 | (let ((spec (car args))) | |
22a58255 CY |
1443 | (if (functionp spec) |
1444 | (setq spec (funcall spec))) | |
26cdce23 JL |
1445 | (insert-button (car spec) |
1446 | 'face (list 'link current-face) | |
1447 | 'action (cadr spec) | |
6e0cfad3 JL |
1448 | 'help-echo (concat "mouse-2, RET: " |
1449 | (or (nth 2 spec) | |
1450 | "Follow this link")) | |
26cdce23 JL |
1451 | 'follow-link t))) |
1452 | (t (insert (propertize (let ((it (car args))) | |
1453 | (if (functionp it) | |
1454 | (funcall it) | |
1455 | it)) | |
1456 | 'face current-face | |
d4a629de | 1457 | 'help-echo (startup-echo-area-message))))) |
ce9ded5d GM |
1458 | (setq args (cdr args))))) |
1459 | ||
aa360da1 | 1460 | (declare-function image-size "image.c" (spec &optional pixels frame)) |
ce9ded5d GM |
1461 | |
1462 | (defun fancy-splash-head () | |
1463 | "Insert the head part of the splash screen into the current buffer." | |
51e8cfdd GM |
1464 | (let* ((image-file (cond ((stringp fancy-splash-image) |
1465 | fancy-splash-image) | |
68548459 | 1466 | ((display-color-p) |
555b0992 JB |
1467 | (cond ((<= (display-planes) 8) |
1468 | (if (image-type-available-p 'xpm) | |
1469 | "splash.xpm" | |
1470 | "splash.pbm")) | |
1471 | ((image-type-available-p 'svg) | |
68548459 JB |
1472 | "splash.svg") |
1473 | ((image-type-available-p 'png) | |
1474 | "splash.png") | |
1475 | ((image-type-available-p 'xpm) | |
555b0992 JB |
1476 | "splash.xpm") |
1477 | (t "splash.pbm"))) | |
68548459 | 1478 | (t "splash.pbm"))) |
51e8cfdd | 1479 | (img (create-image image-file)) |
ce9ded5d GM |
1480 | (image-width (and img (car (image-size img)))) |
1481 | (window-width (window-width (selected-window)))) | |
1482 | (when img | |
1483 | (when (> window-width image-width) | |
f645586f | 1484 | ;; Center the image in the window. |
6b61353c KH |
1485 | (insert (propertize " " 'display |
1486 | `(space :align-to (+ center (-0.5 . ,img))))) | |
f645586f | 1487 | |
e7f3afa9 MB |
1488 | ;; Change the color of the XPM version of the splash image |
1489 | ;; so that it is visible with a dark frame background. | |
1490 | (when (and (memq 'xpm img) | |
1491 | (eq (frame-parameter nil 'background-mode) 'dark)) | |
1492 | (setq img (append img '(:color-symbols (("#000000" . "gray30")))))) | |
1493 | ||
aeb6faec JL |
1494 | ;; Insert the image with a help-echo and a link. |
1495 | (make-button (prog1 (point) (insert-image img)) (point) | |
1496 | 'face 'default | |
6e0cfad3 | 1497 | 'help-echo "mouse-2, RET: Browse http://www.gnu.org/" |
aeb6faec JL |
1498 | 'action (lambda (button) (browse-url "http://www.gnu.org/")) |
1499 | 'follow-link t) | |
22a58255 CY |
1500 | (insert "\n\n"))))) |
1501 | ||
1cff9ad1 | 1502 | (defun fancy-startup-tail (&optional concise) |
ce9ded5d | 1503 | "Insert the tail part of the splash screen into the current buffer." |
95fadcca GM |
1504 | (let ((fg (if (eq (frame-parameter nil 'background-mode) 'dark) |
1505 | "cyan" "darkblue"))) | |
1cff9ad1 JL |
1506 | (unless concise |
1507 | (fancy-splash-insert | |
1508 | :face 'variable-pitch | |
1509 | "\nTo start... " | |
1510 | :link '("Open a File" | |
6e0cfad3 JL |
1511 | (lambda (button) (call-interactively 'find-file)) |
1512 | "Specify a new file's name, to edit the file") | |
1cff9ad1 JL |
1513 | " " |
1514 | :link '("Open Home Directory" | |
6e0cfad3 JL |
1515 | (lambda (button) (dired "~")) |
1516 | "Open your home directory, to operate on its files") | |
1cff9ad1 JL |
1517 | " " |
1518 | :link '("Customize Startup" | |
6e0cfad3 JL |
1519 | (lambda (button) (customize-group 'initialization)) |
1520 | "Change initialization settings including this screen") | |
1cff9ad1 | 1521 | "\n")) |
bb398779 JL |
1522 | (fancy-splash-insert |
1523 | :face 'variable-pitch "To quit a partially entered command, type " | |
1524 | :face 'default "Control-g" | |
1525 | :face 'variable-pitch ".\n") | |
422abbfd | 1526 | (fancy-splash-insert :face `(variable-pitch (:foreground ,fg)) |
95fadcca GM |
1527 | "\nThis is " |
1528 | (emacs-version) | |
1529 | "\n" | |
245a7698 | 1530 | :face '(variable-pitch (:height 0.8)) |
22a58255 CY |
1531 | emacs-copyright |
1532 | "\n") | |
ed638cc9 RS |
1533 | (and auto-save-list-file-prefix |
1534 | ;; Don't signal an error if the | |
1535 | ;; directory for auto-save-list files | |
1536 | ;; does not yet exist. | |
1537 | (file-directory-p (file-name-directory | |
1538 | auto-save-list-file-prefix)) | |
1539 | (directory-files | |
1540 | (file-name-directory auto-save-list-file-prefix) | |
1541 | nil | |
1542 | (concat "\\`" | |
1543 | (regexp-quote (file-name-nondirectory | |
1544 | auto-save-list-file-prefix))) | |
1545 | t) | |
422abbfd | 1546 | (fancy-splash-insert :face '(variable-pitch (:foreground "red")) |
1d865f15 | 1547 | "\nIf an Emacs session crashed recently, " |
5b309ebf RS |
1548 | "type " |
1549 | :face '(fixed-pitch :foreground "red") | |
1550 | "Meta-x recover-session RET" | |
422abbfd | 1551 | :face '(variable-pitch (:foreground "red")) |
5b309ebf | 1552 | "\nto recover" |
22a58255 CY |
1553 | " the files you were editing.")) |
1554 | ||
1cff9ad1 JL |
1555 | (when concise |
1556 | (fancy-splash-insert | |
3d9d55e6 | 1557 | :face 'variable-pitch "\n" |
09723615 JL |
1558 | :link '("Dismiss this startup screen" |
1559 | (lambda (button) | |
1560 | (when startup-screen-inhibit-startup-screen | |
1561 | (customize-set-variable 'inhibit-startup-screen t) | |
1562 | (customize-mark-to-save 'inhibit-startup-screen) | |
1563 | (custom-save-all)) | |
1564 | (let ((w (get-buffer-window "*GNU Emacs*"))) | |
1565 | (and w (not (one-window-p)) (delete-window w))) | |
1566 | (kill-buffer "*GNU Emacs*"))) | |
1cff9ad1 JL |
1567 | " ") |
1568 | (when (or user-init-file custom-file) | |
1569 | (let ((checked (create-image "\300\300\141\143\067\076\034\030" | |
22a58255 | 1570 | 'xbm t :width 8 :height 8 :background "grey75" |
1cff9ad1 JL |
1571 | :foreground "black" :relief -2 :ascent 'center)) |
1572 | (unchecked (create-image (make-string 8 0) | |
1573 | 'xbm t :width 8 :height 8 :background "grey75" | |
1574 | :foreground "black" :relief -2 :ascent 'center))) | |
1575 | (insert-button | |
1576 | " " :on-glyph checked :off-glyph unchecked 'checked nil | |
1577 | 'display unchecked 'follow-link t | |
1578 | 'action (lambda (button) | |
1579 | (if (overlay-get button 'checked) | |
1580 | (progn (overlay-put button 'checked nil) | |
1581 | (overlay-put button 'display (overlay-get button :off-glyph)) | |
1582 | (setq startup-screen-inhibit-startup-screen nil)) | |
1583 | (overlay-put button 'checked t) | |
1584 | (overlay-put button 'display (overlay-get button :on-glyph)) | |
1585 | (setq startup-screen-inhibit-startup-screen t))))) | |
422abbfd | 1586 | (fancy-splash-insert :face '(variable-pitch (:height 0.9)) |
09723615 | 1587 | " Never show it again."))))) |
f645586f | 1588 | |
aeb6faec | 1589 | (defun exit-splash-screen () |
26cdce23 | 1590 | "Stop displaying the splash screen buffer." |
f645586f | 1591 | (interactive) |
1d865f15 JL |
1592 | (quit-window t)) |
1593 | ||
1cff9ad1 | 1594 | (defun fancy-startup-screen (&optional concise) |
22a58255 | 1595 | "Display fancy startup screen. |
1cff9ad1 JL |
1596 | If CONCISE is non-nil, display a concise version of the |
1597 | splash screen in another window." | |
3d9d55e6 | 1598 | (let ((splash-buffer (get-buffer-create "*GNU Emacs*"))) |
09723615 | 1599 | (with-current-buffer splash-buffer |
3d9d55e6 CY |
1600 | (let ((inhibit-read-only t)) |
1601 | (erase-buffer) | |
4222d0a4 | 1602 | (setq default-directory command-line-default-directory) |
3d9d55e6 CY |
1603 | (make-local-variable 'startup-screen-inhibit-startup-screen) |
1604 | (if pure-space-overflow | |
1605 | (insert pure-space-overflow-message)) | |
1606 | (unless concise | |
1607 | (fancy-splash-head)) | |
1608 | (dolist (text fancy-startup-text) | |
1609 | (apply #'fancy-splash-insert text) | |
1610 | (insert "\n")) | |
1611 | (skip-chars-backward "\n") | |
1612 | (delete-region (point) (point-max)) | |
1613 | (insert "\n") | |
1614 | (fancy-startup-tail concise)) | |
1615 | (use-local-map splash-screen-keymap) | |
1616 | (setq tab-width 22 | |
1617 | buffer-read-only t) | |
1618 | (set-buffer-modified-p nil) | |
1619 | (if (and view-read-only (not view-mode)) | |
1620 | (view-mode-enter nil 'kill-buffer)) | |
09723615 JL |
1621 | (goto-char (point-min)) |
1622 | (forward-line (if concise 2 4))) | |
3d9d55e6 CY |
1623 | (if concise |
1624 | (progn | |
1625 | (display-buffer splash-buffer) | |
1626 | ;; If the splash screen is in a split window, fit it. | |
1627 | (let ((window (get-buffer-window splash-buffer t))) | |
1628 | (or (null window) | |
1629 | (eq window (selected-window)) | |
1630 | (eq window (next-window window)) | |
1631 | (fit-window-to-buffer window)))) | |
1632 | (switch-to-buffer splash-buffer)))) | |
22a58255 CY |
1633 | |
1634 | (defun fancy-about-screen () | |
1635 | "Display fancy About screen." | |
1636 | (let ((frame (fancy-splash-frame))) | |
1637 | (save-selected-window | |
1638 | (select-frame frame) | |
1639 | (switch-to-buffer "*About GNU Emacs*") | |
1640 | (setq buffer-undo-list t | |
1641 | mode-line-format (propertize "---- %b %-" | |
1642 | 'face 'mode-line-buffer-id)) | |
1643 | (let ((inhibit-read-only t)) | |
1644 | (erase-buffer) | |
1645 | (if pure-space-overflow | |
1646 | (insert pure-space-overflow-message)) | |
1647 | (fancy-splash-head) | |
1648 | (dolist (text fancy-about-text) | |
1649 | (apply #'fancy-splash-insert text) | |
1650 | (insert "\n")) | |
22a58255 CY |
1651 | (set-buffer-modified-p nil) |
1652 | (goto-char (point-min)) | |
1653 | (force-mode-line-update)) | |
aeb6faec | 1654 | (use-local-map splash-screen-keymap) |
cb3fe757 | 1655 | (setq tab-width 22) |
22a58255 | 1656 | (message "%s" (startup-echo-area-message)) |
08326816 | 1657 | (setq buffer-read-only t) |
09723615 JL |
1658 | (goto-char (point-min)) |
1659 | (forward-line 3)))) | |
6b20fb8e RS |
1660 | |
1661 | (defun fancy-splash-frame () | |
1662 | "Return the frame to use for the fancy splash screen. | |
1663 | Returning non-nil does not mean we should necessarily | |
1664 | use the fancy splash screen, but if we do use it, | |
1665 | we put it on this frame." | |
1666 | (let (chosen-frame) | |
3a321ddb | 1667 | (dolist (frame (append (frame-list) (list (selected-frame)))) |
6b20fb8e RS |
1668 | (if (and (frame-visible-p frame) |
1669 | (not (window-minibuffer-p (frame-selected-window frame)))) | |
1670 | (setq chosen-frame frame))) | |
1671 | chosen-frame)) | |
f645586f | 1672 | |
285991dc GM |
1673 | (defun use-fancy-splash-screens-p () |
1674 | "Return t if fancy splash screens should be used." | |
6b61353c KH |
1675 | (when (and (display-graphic-p) |
1676 | (or (and (display-color-p) | |
285991dc | 1677 | (image-type-available-p 'xpm)) |
6b61353c | 1678 | (image-type-available-p 'pbm))) |
16d2fae9 JPW |
1679 | (let ((frame (fancy-splash-frame))) |
1680 | (when frame | |
1681 | (let* ((img (create-image (or fancy-splash-image | |
1682 | (if (and (display-color-p) | |
1683 | (image-type-available-p 'xpm)) | |
1684 | "splash.xpm" "splash.pbm")))) | |
a68ccb40 RS |
1685 | (image-height (and img (cdr (image-size img nil frame)))) |
1686 | ;; We test frame-height so that, if the frame is split | |
1687 | ;; by displaying a warning, that doesn't cause the normal | |
1688 | ;; splash screen to be used. | |
1689 | (frame-height (1- (frame-height frame)))) | |
1690 | (> frame-height (+ image-height 19))))))) | |
285991dc GM |
1691 | |
1692 | ||
79b1c79c | 1693 | (defun normal-splash-screen (&optional startup concise) |
1d865f15 JL |
1694 | "Display non-graphic splash screen. |
1695 | If optional argument STARTUP is non-nil, display the startup screen | |
79b1c79c JL |
1696 | after Emacs starts. If STARTUP is nil, display the About screen. |
1697 | If CONCISE is non-nil, display a concise version of the | |
1698 | splash screen in another window." | |
1699 | (let ((splash-buffer (get-buffer-create "*About GNU Emacs*"))) | |
1700 | (with-current-buffer splash-buffer | |
1d865f15 JL |
1701 | (setq buffer-read-only nil) |
1702 | (erase-buffer) | |
4222d0a4 | 1703 | (setq default-directory command-line-default-directory) |
1d865f15 JL |
1704 | (set (make-local-variable 'tab-width) 8) |
1705 | (if (not startup) | |
1706 | (set (make-local-variable 'mode-line-format) | |
1707 | (propertize "---- %b %-" 'face 'mode-line-buffer-id))) | |
1708 | ||
1709 | (if pure-space-overflow | |
22a58255 | 1710 | (insert pure-space-overflow-message)) |
260a5020 | 1711 | |
1d865f15 JL |
1712 | ;; The convention for this piece of code is that |
1713 | ;; each piece of output starts with one or two newlines | |
1714 | ;; and does not end with any newlines. | |
22a58255 | 1715 | (insert (if startup "Welcome to GNU Emacs" "This is GNU Emacs")) |
1d865f15 JL |
1716 | (insert |
1717 | (if (eq system-type 'gnu/linux) | |
1718 | ", one component of the GNU/Linux operating system.\n" | |
1719 | ", a part of the GNU operating system.\n")) | |
1720 | ||
1721 | (if startup | |
1722 | (if (display-mouse-p) | |
1723 | ;; The user can use the mouse to activate menus | |
1724 | ;; so give help in terms of menu items. | |
fad930b6 | 1725 | (normal-mouse-startup-screen) |
c61453ea | 1726 | |
e349ae3b | 1727 | ;; No mouse menus, so give help using kbd commands. |
fad930b6 | 1728 | (normal-no-mouse-startup-screen)) |
e349ae3b | 1729 | |
fad930b6 | 1730 | (normal-about-screen)) |
1d865f15 JL |
1731 | |
1732 | ;; The rest of the startup screen is the same on all | |
1733 | ;; kinds of terminals. | |
1734 | ||
1735 | ;; Give information on recovering, if there was a crash. | |
1736 | (and startup | |
1737 | auto-save-list-file-prefix | |
1738 | ;; Don't signal an error if the | |
1739 | ;; directory for auto-save-list files | |
1740 | ;; does not yet exist. | |
1741 | (file-directory-p (file-name-directory | |
1742 | auto-save-list-file-prefix)) | |
1743 | (directory-files | |
1744 | (file-name-directory auto-save-list-file-prefix) | |
1745 | nil | |
1746 | (concat "\\`" | |
1747 | (regexp-quote (file-name-nondirectory | |
1748 | auto-save-list-file-prefix))) | |
1749 | t) | |
1750 | (insert "\n\nIf an Emacs session crashed recently, " | |
1751 | "type Meta-x recover-session RET\nto recover" | |
1752 | " the files you were editing.\n")) | |
26cdce23 | 1753 | |
1d865f15 | 1754 | (use-local-map splash-screen-keymap) |
e349ae3b | 1755 | |
1d865f15 JL |
1756 | ;; Display the input that we set up in the buffer. |
1757 | (set-buffer-modified-p nil) | |
1758 | (setq buffer-read-only t) | |
1759 | (if (and view-read-only (not view-mode)) | |
1760 | (view-mode-enter nil 'kill-buffer)) | |
1d865f15 | 1761 | (if startup (rename-buffer "*GNU Emacs*" t)) |
79b1c79c JL |
1762 | (goto-char (point-min))) |
1763 | (if concise | |
1764 | (display-buffer splash-buffer) | |
1765 | (switch-to-buffer splash-buffer)))) | |
82e736c1 | 1766 | |
fad930b6 RS |
1767 | (defun normal-mouse-startup-screen () |
1768 | ;; The user can use the mouse to activate menus | |
1769 | ;; so give help in terms of menu items. | |
1770 | (insert "\ | |
09723615 | 1771 | To follow a link, click Mouse-1 on it, or move to it and type RET. |
26cdce23 JL |
1772 | To quit a partially entered command, type Control-g.\n") |
1773 | ||
fad930b6 RS |
1774 | (insert "\nImportant Help menu items:\n") |
1775 | (insert-button "Emacs Tutorial" | |
1776 | 'action (lambda (button) (help-with-tutorial)) | |
1777 | 'follow-link t) | |
1778 | (insert "\t\tLearn basic Emacs keystroke commands\n") | |
1779 | (insert-button "Read the Emacs Manual" | |
1780 | 'action (lambda (button) (info-emacs-manual)) | |
1781 | 'follow-link t) | |
1782 | (insert "\tView the Emacs manual using Info\n") | |
1783 | (insert-button "\(Non)Warranty" | |
1784 | 'action (lambda (button) (describe-no-warranty)) | |
1785 | 'follow-link t) | |
1786 | (insert "\t\tGNU Emacs comes with ABSOLUTELY NO WARRANTY\n") | |
1787 | (insert-button "Copying Conditions" | |
1788 | 'action (lambda (button) (describe-copying)) | |
1789 | 'follow-link t) | |
1790 | (insert "\tConditions for redistributing and changing Emacs\n") | |
1791 | (insert-button "More Manuals / Ordering Manuals" | |
1792 | 'action (lambda (button) (view-order-manuals)) | |
1793 | 'follow-link t) | |
1794 | (insert " How to order printed manuals from the FSF\n") | |
1795 | ||
1796 | (insert "\nUseful tasks:\n") | |
1797 | (insert-button "Visit New File" | |
1798 | 'action (lambda (button) (call-interactively 'find-file)) | |
1799 | 'follow-link t) | |
1800 | (insert "\t\tSpecify a new file's name, to edit the file\n") | |
1801 | (insert-button "Open Home Directory" | |
1802 | 'action (lambda (button) (dired "~")) | |
1803 | 'follow-link t) | |
1804 | (insert "\tOpen your home directory, to operate on its files\n") | |
1805 | (insert-button "Customize Startup" | |
1806 | 'action (lambda (button) (customize-group 'initialization)) | |
1807 | 'follow-link t) | |
1808 | (insert "\tChange initialization settings including this screen\n") | |
1809 | ||
1810 | (insert "\n" (emacs-version) | |
1811 | "\n" emacs-copyright)) | |
1812 | ||
1813 | ;; No mouse menus, so give help using kbd commands. | |
1814 | (defun normal-no-mouse-startup-screen () | |
1815 | ||
1816 | ;; If keys have their default meanings, | |
1817 | ;; use precomputed string to save lots of time. | |
2aa0e5bf SM |
1818 | (let* ((c-h-accessible |
1819 | ;; If normal-erase-is-backspace is used on a tty, there's | |
1820 | ;; no way to invoke C-h and you have to use F1 instead. | |
1821 | (or (not (char-table-p keyboard-translate-table)) | |
1822 | (eq (aref keyboard-translate-table ?\C-h) ?\C-h))) | |
1823 | (minor-mode-overriding-map-alist | |
1824 | (cons (cons (not c-h-accessible) | |
1825 | ;; If C-h can't be invoked, temporarily disable its | |
1826 | ;; binding, so where-is uses alternative bindings. | |
1827 | (let ((map (make-sparse-keymap))) | |
1828 | (define-key map [?\C-h] 'undefined) | |
1829 | map)) | |
1830 | minor-mode-overriding-map-alist))) | |
1831 | ||
1832 | (insert (format "\nGet help\t %s\n" | |
1833 | (let ((where (where-is-internal 'help-command nil t))) | |
1834 | (cond | |
1835 | ((equal where [?\C-h]) | |
1836 | "C-h (Hold down CTRL and press h)") | |
1837 | (where (key-description where)) | |
1838 | (t "M-x help"))))) | |
1839 | (insert-button "Emacs manual" | |
1840 | 'action (lambda (button) (info-emacs-manual)) | |
1841 | 'follow-link t) | |
1842 | (insert (substitute-command-keys"\t \\[info-emacs-manual]\t")) | |
1843 | (insert-button "Browse manuals" | |
1844 | 'action (lambda (button) (Info-directory)) | |
1845 | 'follow-link t) | |
1846 | (insert (substitute-command-keys "\t \\[info]\n")) | |
1847 | (insert-button "Emacs tutorial" | |
1848 | 'action (lambda (button) (help-with-tutorial)) | |
1849 | 'follow-link t) | |
1850 | (insert (substitute-command-keys | |
8cb95edf | 1851 | "\t \\[help-with-tutorial]\tUndo changes\t \\[undo]\n")) |
2aa0e5bf SM |
1852 | (insert-button "Buy manuals" |
1853 | 'action (lambda (button) (view-order-manuals)) | |
1854 | 'follow-link t) | |
1855 | (insert (substitute-command-keys | |
1856 | "\t \\[view-order-manuals]\tExit Emacs\t \\[save-buffers-kill-terminal]"))) | |
fad930b6 RS |
1857 | |
1858 | ;; Say how to use the menu bar with the keyboard. | |
1859 | (insert "\n") | |
1860 | (insert-button "Activate menubar" | |
1861 | 'action (lambda (button) (tmm-menubar)) | |
1862 | 'follow-link t) | |
1863 | (if (and (eq (key-binding "\M-`") 'tmm-menubar) | |
1864 | (eq (key-binding [f10]) 'tmm-menubar)) | |
1865 | (insert " F10 or ESC ` or M-`") | |
1866 | (insert (substitute-command-keys " \\[tmm-menubar]"))) | |
1867 | ||
1868 | ;; Many users seem to have problems with these. | |
1869 | (insert " | |
c61453ea PJ |
1870 | \(`C-' means use the CTRL key. `M-' means use the Meta (or Alt) key. |
1871 | If you have no Meta key, you may instead type ESC followed by the character.)") | |
1872 | ||
fad930b6 RS |
1873 | ;; Insert links to useful tasks |
1874 | (insert "\nUseful tasks:\n") | |
1875 | ||
1876 | (insert-button "Visit New File" | |
1877 | 'action (lambda (button) (call-interactively 'find-file)) | |
1878 | 'follow-link t) | |
1879 | (insert "\t\t\t") | |
1880 | (insert-button "Open Home Directory" | |
1881 | 'action (lambda (button) (dired "~")) | |
1882 | 'follow-link t) | |
1883 | (insert "\n") | |
1884 | ||
1885 | (insert-button "Customize Startup" | |
1886 | 'action (lambda (button) (customize-group 'initialization)) | |
1887 | 'follow-link t) | |
1888 | (insert "\t\t") | |
1889 | (insert-button "Open *scratch* buffer" | |
1890 | 'action (lambda (button) (switch-to-buffer | |
1891 | (get-buffer-create "*scratch*"))) | |
1892 | 'follow-link t) | |
1893 | (insert "\n") | |
1894 | (insert "\n" (emacs-version) "\n" emacs-copyright "\n") | |
1895 | ||
1896 | (if (and (eq (key-binding "\C-h\C-c") 'describe-copying) | |
1897 | (eq (key-binding "\C-h\C-d") 'describe-distribution) | |
1898 | (eq (key-binding "\C-h\C-w") 'describe-no-warranty)) | |
1899 | (progn | |
1900 | (insert | |
490a1ad6 | 1901 | " |
cd6ab24f | 1902 | GNU Emacs comes with ABSOLUTELY NO WARRANTY; type C-h C-w for ") |
fad930b6 RS |
1903 | (insert-button "full details" |
1904 | 'action (lambda (button) (describe-no-warranty)) | |
1905 | 'follow-link t) | |
1906 | (insert ". | |
c61453ea | 1907 | Emacs is Free Software--Free as in Freedom--so you can redistribute copies |
cd6ab24f | 1908 | of Emacs and modify it; type C-h C-c to see ") |
fad930b6 RS |
1909 | (insert-button "the conditions" |
1910 | 'action (lambda (button) (describe-copying)) | |
1911 | 'follow-link t) | |
1912 | (insert ". | |
cd6ab24f | 1913 | Type C-h C-d for information on ") |
fad930b6 RS |
1914 | (insert-button "getting the latest version" |
1915 | 'action (lambda (button) (describe-distribution)) | |
1916 | 'follow-link t) | |
1917 | (insert ".")) | |
1918 | (insert (substitute-command-keys | |
490a1ad6 | 1919 | " |
cd6ab24f | 1920 | GNU Emacs comes with ABSOLUTELY NO WARRANTY; type \\[describe-no-warranty] for ")) |
fad930b6 RS |
1921 | (insert-button "full details" |
1922 | 'action (lambda (button) (describe-no-warranty)) | |
1923 | 'follow-link t) | |
1924 | (insert (substitute-command-keys ". | |
c61453ea | 1925 | Emacs is Free Software--Free as in Freedom--so you can redistribute copies |
cd6ab24f | 1926 | of Emacs and modify it; type \\[describe-copying] to see ")) |
fad930b6 RS |
1927 | (insert-button "the conditions" |
1928 | 'action (lambda (button) (describe-copying)) | |
1929 | 'follow-link t) | |
1930 | (insert (substitute-command-keys". | |
cd6ab24f | 1931 | Type \\[describe-distribution] for information on ")) |
fad930b6 RS |
1932 | (insert-button "getting the latest version" |
1933 | 'action (lambda (button) (describe-distribution)) | |
1934 | 'follow-link t) | |
1935 | (insert "."))) | |
1936 | ||
1937 | (defun normal-about-screen () | |
1938 | (insert "\n" (emacs-version) "\n" emacs-copyright "\n\n") | |
1939 | ||
1940 | (insert "To follow a link, click Mouse-1 on it, or move to it and type RET.\n\n") | |
1941 | ||
490a1ad6 JL |
1942 | (insert-button "Authors" |
1943 | 'action | |
1944 | (lambda (button) | |
1945 | (view-file (expand-file-name "AUTHORS" data-directory)) | |
1946 | (goto-char (point-min))) | |
1947 | 'follow-link t) | |
1948 | (insert "\t\tMany people have contributed code included in GNU Emacs\n") | |
1949 | ||
1950 | (insert-button "Contributing" | |
1951 | 'action | |
1952 | (lambda (button) | |
1953 | (view-file (expand-file-name "CONTRIBUTE" data-directory)) | |
1954 | (goto-char (point-min))) | |
1955 | 'follow-link t) | |
1956 | (insert "\tHow to contribute improvements to Emacs\n\n") | |
1957 | ||
fad930b6 | 1958 | (insert-button "GNU and Freedom" |
92b2e7a3 | 1959 | 'action (lambda (button) (describe-gnu-project)) |
fad930b6 RS |
1960 | 'follow-link t) |
1961 | (insert "\t\tWhy we developed GNU Emacs and the GNU system\n") | |
1962 | ||
1963 | (insert-button "Absence of Warranty" | |
1964 | 'action (lambda (button) (describe-no-warranty)) | |
1965 | 'follow-link t) | |
1966 | (insert "\tGNU Emacs comes with ABSOLUTELY NO WARRANTY\n") | |
1967 | ||
1968 | (insert-button "Copying Conditions" | |
1969 | 'action (lambda (button) (describe-copying)) | |
1970 | 'follow-link t) | |
1971 | (insert "\tConditions for redistributing and changing Emacs\n") | |
1972 | ||
1973 | (insert-button "Getting New Versions" | |
1974 | 'action (lambda (button) (describe-distribution)) | |
1975 | 'follow-link t) | |
1976 | (insert "\tHow to get the latest version of GNU Emacs\n") | |
1977 | ||
1978 | (insert-button "More Manuals / Ordering Manuals" | |
1979 | 'action (lambda (button) (view-order-manuals)) | |
1980 | 'follow-link t) | |
1981 | (insert "\tBuying printed manuals from the FSF\n")) | |
c61453ea | 1982 | |
f645586f | 1983 | (defun startup-echo-area-message () |
2eb92184 CY |
1984 | (cond ((daemonp) |
1985 | "Starting Emacs daemon.") | |
1986 | ((eq (key-binding "\C-h\C-a") 'about-emacs) | |
1987 | "For information about GNU Emacs and the GNU system, type C-h C-a.") | |
1988 | (t | |
1989 | (substitute-command-keys | |
1990 | "For information about GNU Emacs and the GNU system, type \ | |
1991 | \\[about-emacs].")))) | |
ce9ded5d | 1992 | |
49939379 | 1993 | (defun display-startup-echo-area-message () |
15fa6db0 | 1994 | (let ((resize-mini-windows t)) |
f1be5774 KL |
1995 | (or noninteractive ;(input-pending-p) init-file-had-error |
1996 | ;; t if the init file says to inhibit the echo area startup message. | |
1997 | (and inhibit-startup-echo-area-message | |
1998 | user-init-file | |
1999 | (or (and (get 'inhibit-startup-echo-area-message 'saved-value) | |
2000 | (equal inhibit-startup-echo-area-message | |
2001 | (if (equal init-file-user "") | |
2002 | (user-login-name) | |
2003 | init-file-user))) | |
2004 | ;; Wasn't set with custom; see if .emacs has a setq. | |
2005 | (let ((buffer (get-buffer-create " *temp*"))) | |
2006 | (prog1 | |
2007 | (condition-case nil | |
2aa0e5bf | 2008 | (with-current-buffer buffer |
f1be5774 KL |
2009 | (insert-file-contents user-init-file) |
2010 | (re-search-forward | |
2011 | (concat | |
2012 | "([ \t\n]*setq[ \t\n]+" | |
2013 | "inhibit-startup-echo-area-message[ \t\n]+" | |
2014 | (regexp-quote | |
2015 | (prin1-to-string | |
2016 | (if (equal init-file-user "") | |
2017 | (user-login-name) | |
2018 | init-file-user))) | |
2019 | "[ \t\n]*)") | |
2020 | nil t)) | |
2021 | (error nil)) | |
2022 | (kill-buffer buffer))))) | |
1d865f15 | 2023 | (message "%s" (startup-echo-area-message))))) |
f645586f | 2024 | |
1cff9ad1 | 2025 | (defun display-startup-screen (&optional concise) |
22a58255 CY |
2026 | "Display startup screen according to display. |
2027 | A fancy display is used on graphic displays, normal otherwise. | |
49939379 | 2028 | |
22a58255 CY |
2029 | If CONCISE is non-nil, display a concise version of the startup |
2030 | screen." | |
526039df | 2031 | ;; Prevent recursive calls from server-process-filter. |
1cff9ad1 | 2032 | (if (not (get-buffer "*GNU Emacs*")) |
526039df | 2033 | (if (use-fancy-splash-screens-p) |
22a58255 | 2034 | (fancy-startup-screen concise) |
79b1c79c | 2035 | (normal-splash-screen t concise)))) |
22a58255 CY |
2036 | |
2037 | (defun display-about-screen () | |
2038 | "Display the *About GNU Emacs* buffer. | |
2039 | A fancy display is used on graphic displays, normal otherwise." | |
2040 | (interactive) | |
6b61353c | 2041 | (if (use-fancy-splash-screens-p) |
1cff9ad1 JL |
2042 | (fancy-about-screen) |
2043 | (normal-splash-screen nil))) | |
c61453ea | 2044 | |
22a58255 | 2045 | (defalias 'about-emacs 'display-about-screen) |
1cff9ad1 | 2046 | (defalias 'display-splash-screen 'display-startup-screen) |
c61453ea | 2047 | |
a726e0d1 | 2048 | (defun command-line-1 (command-line-args-left) |
f1be5774 | 2049 | (display-startup-echo-area-message) |
cb58ea33 RS |
2050 | (when (and pure-space-overflow |
2051 | (not noninteractive)) | |
2052 | (display-warning | |
2053 | 'initialization | |
f2602864 CY |
2054 | "Building Emacs overflowed pure space.\ |
2055 | (See the node Pure Storage in the Lisp manual for details.)" | |
cb58ea33 RS |
2056 | :warning)) |
2057 | ||
22a58255 CY |
2058 | (let ((file-count 0) |
2059 | first-file-buffer) | |
2060 | (when command-line-args-left | |
2061 | ;; We have command args; process them. | |
2062 | (let ((dir command-line-default-directory) | |
2063 | tem | |
2064 | ;; This approach loses for "-batch -L DIR --eval "(require foo)", | |
2065 | ;; if foo is intended to be found in DIR. | |
2066 | ;; | |
2067 | ;; ;; The directories listed in --directory/-L options will *appear* | |
2068 | ;; ;; at the front of `load-path' in the order they appear on the | |
2069 | ;; ;; command-line. We cannot do this by *placing* them at the front | |
2070 | ;; ;; in the order they appear, so we need this variable to hold them, | |
2071 | ;; ;; temporarily. | |
2072 | ;; extra-load-path | |
2073 | ;; | |
2074 | ;; To DTRT we keep track of the splice point and modify `load-path' | |
2075 | ;; straight away upon any --directory/-L option. | |
2076 | splice | |
2077 | just-files ;; t if this follows the magic -- option. | |
2078 | ;; This includes our standard options' long versions | |
2079 | ;; and long versions of what's on command-switch-alist. | |
2080 | (longopts | |
2aa0e5bf SM |
2081 | (append '("--funcall" "--load" "--insert" "--kill" |
2082 | "--directory" "--eval" "--execute" "--no-splash" | |
2083 | "--find-file" "--visit" "--file" "--no-desktop") | |
2084 | (mapcar (lambda (elt) (concat "-" (car elt))) | |
22a58255 CY |
2085 | command-switch-alist))) |
2086 | (line 0) | |
2087 | (column 0)) | |
2088 | ||
2089 | ;; Add the long X options to longopts. | |
2090 | (dolist (tem command-line-x-option-alist) | |
2091 | (if (string-match "^--" (car tem)) | |
2aa0e5bf | 2092 | (push (car tem) longopts))) |
22a58255 | 2093 | |
122e9f8f AR |
2094 | ;; Add the long NS options to longopts. |
2095 | (dolist (tem command-line-ns-option-alist) | |
2096 | (if (string-match "^--" (car tem)) | |
2097 | (push (list (car tem)) longopts))) | |
edfda783 | 2098 | |
22a58255 CY |
2099 | ;; Loop, processing options. |
2100 | (while command-line-args-left | |
2101 | (let* ((argi (car command-line-args-left)) | |
2102 | (orig-argi argi) | |
2103 | argval completion) | |
2104 | (setq command-line-args-left (cdr command-line-args-left)) | |
2105 | ||
2106 | ;; Do preliminary decoding of the option. | |
2107 | (if just-files | |
2108 | ;; After --, don't look for options; treat all args as files. | |
2109 | (setq argi "") | |
2110 | ;; Convert long options to ordinary options | |
2111 | ;; and separate out an attached option argument into argval. | |
7b704afe | 2112 | (when (string-match "\\`\\(--[^=]*\\)=" argi) |
22a58255 CY |
2113 | (setq argval (substring argi (match-end 0)) |
2114 | argi (match-string 1 argi))) | |
7b704afe AS |
2115 | (when (string-match "\\`--." orig-argi) |
2116 | (setq completion (try-completion argi longopts)) | |
2117 | (if (eq completion t) | |
2118 | (setq argi (substring argi 1)) | |
2119 | (if (stringp completion) | |
2aa0e5bf | 2120 | (let ((elt (member completion longopts))) |
7b704afe AS |
2121 | (or elt |
2122 | (error "Option `%s' is ambiguous" argi)) | |
2123 | (setq argi (substring (car elt) 1))) | |
2124 | (setq argval nil | |
2125 | argi orig-argi))))) | |
22a58255 CY |
2126 | |
2127 | ;; Execute the option. | |
2128 | (cond ((setq tem (assoc argi command-switch-alist)) | |
2129 | (if argval | |
2130 | (let ((command-line-args-left | |
2131 | (cons argval command-line-args-left))) | |
2132 | (funcall (cdr tem) argi)) | |
2133 | (funcall (cdr tem) argi))) | |
2134 | ||
2135 | ((equal argi "-no-splash") | |
1cff9ad1 | 2136 | (setq inhibit-startup-screen t)) |
22a58255 CY |
2137 | |
2138 | ((member argi '("-f" ; what the manual claims | |
2139 | "-funcall" | |
2140 | "-e")) ; what the source used to say | |
1cff9ad1 | 2141 | (setq inhibit-startup-screen t) |
22a58255 CY |
2142 | (setq tem (intern (or argval (pop command-line-args-left)))) |
2143 | (if (commandp tem) | |
2144 | (command-execute tem) | |
2145 | (funcall tem))) | |
2146 | ||
2147 | ((member argi '("-eval" "-execute")) | |
1cff9ad1 | 2148 | (setq inhibit-startup-screen t) |
22a58255 CY |
2149 | (eval (read (or argval (pop command-line-args-left))))) |
2150 | ||
2151 | ((member argi '("-L" "-directory")) | |
2152 | (setq tem (expand-file-name | |
2153 | (command-line-normalize-file-name | |
2154 | (or argval (pop command-line-args-left))))) | |
2155 | (cond (splice (setcdr splice (cons tem (cdr splice))) | |
2156 | (setq splice (cdr splice))) | |
2157 | (t (setq load-path (cons tem load-path) | |
2158 | splice load-path)))) | |
2159 | ||
2160 | ((member argi '("-l" "-load")) | |
2161 | (let* ((file (command-line-normalize-file-name | |
2162 | (or argval (pop command-line-args-left)))) | |
2163 | ;; Take file from default dir if it exists there; | |
2164 | ;; otherwise let `load' search for it. | |
2165 | (file-ex (expand-file-name file))) | |
2166 | (when (file-exists-p file-ex) | |
2167 | (setq file file-ex)) | |
2168 | (load file nil t))) | |
2169 | ||
2170 | ;; This is used to handle -script. It's not clear | |
f71d844b | 2171 | ;; we need to document it (it is totally internal). |
1d1100d7 | 2172 | ((member argi '("-scriptload")) |
22a58255 CY |
2173 | (let* ((file (command-line-normalize-file-name |
2174 | (or argval (pop command-line-args-left)))) | |
2175 | ;; Take file from default dir. | |
2176 | (file-ex (expand-file-name file))) | |
2177 | (load file-ex nil t t))) | |
2178 | ||
2179 | ((equal argi "-insert") | |
1cff9ad1 | 2180 | (setq inhibit-startup-screen t) |
22a58255 CY |
2181 | (setq tem (or argval (pop command-line-args-left))) |
2182 | (or (stringp tem) | |
2183 | (error "File name omitted from `-insert' option")) | |
2184 | (insert-file-contents (command-line-normalize-file-name tem))) | |
2185 | ||
2186 | ((equal argi "-kill") | |
2187 | (kill-emacs t)) | |
2188 | ||
2189 | ;; This is for when they use --no-desktop with -q, or | |
2190 | ;; don't load Desktop in their .emacs. If desktop.el | |
2191 | ;; _is_ loaded, it will handle this switch, and we | |
2192 | ;; won't see it by the time we get here. | |
2193 | ((equal argi "-no-desktop") | |
2194 | (message "\"--no-desktop\" ignored because the Desktop package is not loaded")) | |
2195 | ||
2196 | ((string-match "^\\+[0-9]+\\'" argi) | |
2197 | (setq line (string-to-number argi))) | |
2198 | ||
2199 | ((string-match "^\\+\\([0-9]+\\):\\([0-9]+\\)\\'" argi) | |
2200 | (setq line (string-to-number (match-string 1 argi)) | |
2201 | column (string-to-number (match-string 2 argi)))) | |
2202 | ||
2203 | ((setq tem (assoc argi command-line-x-option-alist)) | |
2204 | ;; Ignore X-windows options and their args if not using X. | |
2205 | (setq command-line-args-left | |
2206 | (nthcdr (nth 1 tem) command-line-args-left))) | |
2207 | ||
3000e3f4 DN |
2208 | ((setq tem (assoc argi command-line-ns-option-alist)) |
2209 | ;; Ignore NS-windows options and their args if not using NS. | |
2210 | (setq command-line-args-left | |
2211 | (nthcdr (nth 1 tem) command-line-args-left))) | |
edfda783 | 2212 | |
22a58255 | 2213 | ((member argi '("-find-file" "-file" "-visit")) |
1cff9ad1 | 2214 | (setq inhibit-startup-screen t) |
22a58255 CY |
2215 | ;; An explicit option to specify visiting a file. |
2216 | (setq tem (or argval (pop command-line-args-left))) | |
2217 | (unless (stringp tem) | |
2218 | (error "File name omitted from `%s' option" argi)) | |
2219 | (setq file-count (1+ file-count)) | |
2220 | (let ((file (expand-file-name | |
2221 | (command-line-normalize-file-name tem) dir))) | |
2222 | (if (= file-count 1) | |
2223 | (setq first-file-buffer (find-file file)) | |
2224 | (find-file-other-window file))) | |
e6ce8c42 GM |
2225 | (unless (zerop line) |
2226 | (goto-char (point-min)) | |
2227 | (forward-line (1- line))) | |
22a58255 CY |
2228 | (setq line 0) |
2229 | (unless (< column 1) | |
2230 | (move-to-column (1- column))) | |
2231 | (setq column 0)) | |
2232 | ||
2233 | ((equal argi "--") | |
2234 | (setq just-files t)) | |
2235 | (t | |
2236 | ;; We have almost exhausted our options. See if the | |
2237 | ;; user has made any other command-line options available | |
2238 | (let ((hooks command-line-functions) | |
2239 | (did-hook nil)) | |
2240 | (while (and hooks | |
2241 | (not (setq did-hook (funcall (car hooks))))) | |
2242 | (setq hooks (cdr hooks))) | |
2243 | (if (not did-hook) | |
2244 | ;; Presume that the argument is a file name. | |
2245 | (progn | |
2246 | (if (string-match "\\`-" argi) | |
2247 | (error "Unknown option `%s'" argi)) | |
1cff9ad1 JL |
2248 | (unless initial-window-system |
2249 | (setq inhibit-startup-screen t)) | |
22a58255 CY |
2250 | (setq file-count (1+ file-count)) |
2251 | (let ((file | |
2252 | (expand-file-name | |
2253 | (command-line-normalize-file-name orig-argi) | |
2254 | dir))) | |
3d9d55e6 CY |
2255 | (cond ((= file-count 1) |
2256 | (setq first-file-buffer (find-file file))) | |
2257 | (inhibit-startup-screen | |
2258 | (find-file-other-window file)) | |
2259 | (t (find-file file)))) | |
e6ce8c42 GM |
2260 | (unless (zerop line) |
2261 | (goto-char (point-min)) | |
2262 | (forward-line (1- line))) | |
22a58255 CY |
2263 | (setq line 0) |
2264 | (unless (< column 1) | |
2265 | (move-to-column (1- column))) | |
2266 | (setq column 0)))))) | |
2267 | ;; In unusual circumstances, the execution of Lisp code due | |
2268 | ;; to command-line options can cause the last visible frame | |
2269 | ;; to be deleted. In this case, kill emacs to avoid an | |
2270 | ;; abort later. | |
2271 | (unless (frame-live-p (selected-frame)) (kill-emacs nil)))))) | |
2272 | ||
2273 | (when initial-buffer-choice | |
2274 | (cond ((eq initial-buffer-choice t) | |
2275 | (switch-to-buffer (get-buffer-create "*scratch*"))) | |
2276 | ((stringp initial-buffer-choice) | |
2277 | (find-file initial-buffer-choice)))) | |
2278 | ||
8d86c6da JL |
2279 | ;; If *scratch* exists and is empty, insert initial-scratch-message. |
2280 | (and initial-scratch-message | |
2281 | (get-buffer "*scratch*") | |
2282 | (with-current-buffer "*scratch*" | |
2283 | (when (zerop (buffer-size)) | |
2284 | (insert initial-scratch-message) | |
2285 | (set-buffer-modified-p nil)))) | |
2286 | ||
1cff9ad1 | 2287 | (if (or inhibit-startup-screen |
22a58255 CY |
2288 | initial-buffer-choice |
2289 | noninteractive | |
2290 | emacs-quick-startup) | |
2291 | ||
2292 | ;; Not displaying a startup screen. If 3 or more files | |
2293 | ;; visited, and not all visible, show user what they all are. | |
2294 | (and (> file-count 2) | |
2295 | (not noninteractive) | |
2296 | (not inhibit-startup-buffer-menu) | |
2297 | (or (get-buffer-window first-file-buffer) | |
2298 | (list-buffers))) | |
2299 | ||
2300 | ;; Display a startup screen, after some preparations. | |
2301 | ||
2302 | ;; If there are no switches to process, we might as well | |
2303 | ;; run this hook now, and there may be some need to do it | |
2304 | ;; before doing any output. | |
2305 | (run-hooks 'emacs-startup-hook) | |
2306 | (and term-setup-hook | |
2307 | (run-hooks 'term-setup-hook)) | |
2308 | (setq inhibit-startup-hooks t) | |
2309 | ||
2310 | ;; It's important to notice the user settings before we | |
2311 | ;; display the startup message; otherwise, the settings | |
2312 | ;; won't take effect until the user gives the first | |
2313 | ;; keystroke, and that's distracting. | |
2314 | (when (fboundp 'frame-notice-user-settings) | |
2315 | (frame-notice-user-settings)) | |
2316 | ||
2317 | ;; If there are no switches to process, we might as well | |
2318 | ;; run this hook now, and there may be some need to do it | |
2319 | ;; before doing any output. | |
2320 | (when window-setup-hook | |
2321 | (run-hooks 'window-setup-hook) | |
2322 | ;; Don't let the hook be run twice. | |
2323 | (setq window-setup-hook nil)) | |
2324 | ||
04ef2618 CY |
2325 | ;; ;; Do this now to avoid an annoying delay if the user |
2326 | ;; ;; clicks the menu bar during the sit-for. | |
2327 | ;; (when (display-popup-menus-p) | |
2328 | ;; (precompute-menubar-bindings)) | |
2329 | ;; (with-no-warnings | |
2330 | ;; (setq menubar-bindings-done t)) | |
22a58255 | 2331 | |
1cff9ad1 JL |
2332 | (if (> file-count 0) |
2333 | (display-startup-screen t) | |
2334 | (display-startup-screen nil))))) | |
49939379 | 2335 | |
47c7adae RS |
2336 | (defun command-line-normalize-file-name (file) |
2337 | "Collapse multiple slashes to one, to handle non-Emacs file names." | |
6b9e794f RS |
2338 | (save-match-data |
2339 | ;; Use arg 1 so that we don't collapse // at the start of the file name. | |
2340 | ;; That is significant on some systems. | |
2341 | ;; However, /// at the beginning is supposed to mean just /, not //. | |
2342 | (if (string-match "^///+" file) | |
2343 | (setq file (replace-match "/" t t file))) | |
50405cd0 JB |
2344 | (and (memq system-type '(ms-dos windows-nt)) |
2345 | (string-match "^[A-Za-z]:\\(\\\\[\\\\/]\\)" file) ; C:\/ or C:\\ | |
2346 | (setq file (replace-match "/" t t file 1))) | |
6b9e794f RS |
2347 | (while (string-match "//+" file 1) |
2348 | (setq file (replace-match "/" t t file))) | |
2349 | file)) | |
47c7adae | 2350 | |
a3194d03 | 2351 | ;; arch-tag: 7e294698-244d-4758-984b-4047f887a5db |
c88ab9ce | 2352 | ;;; startup.el ends here |