Commit | Line | Data |
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f617db13 | 1 | #! /bin/bash |
8e08f814 MW |
2 | ### |
3 | ### X startup script | |
f617db13 | 4 | |
8e08f814 MW |
5 | ###-------------------------------------------------------------------------- |
6 | ### Utility functions. | |
f617db13 | 7 | |
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8 | ## Progress indicators. |
9 | info=yes | |
10 | info () { | |
11 | case $info in yes) echo "- $*" >&2 ;; esac | |
12 | } | |
f617db13 | 13 | |
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14 | run=yes |
15 | run () { | |
16 | local what=$1; shift | |
17 | local bg=no | |
f617db13 | 18 | |
8e08f814 MW |
19 | case $what in bg*) bg=yes what=${what#bg} ;; esac |
20 | info "run $what: $*" | |
f617db13 | 21 | |
8e08f814 MW |
22 | case "$run,$bg" in |
23 | yes,no) "$@" ;; | |
24 | yes,yes) "$@" & ;; | |
25 | esac | |
26 | } | |
eebca092 | 27 | |
8e08f814 | 28 | ## Program choice |
eebca092 | 29 | pick_program () { |
8e08f814 MW |
30 | local what=$1; shift |
31 | local choice=false | |
eebca092 | 32 | for i in "$@"; do |
8e08f814 | 33 | if type -t >/dev/null "$i"; then choice=$i; break; fi |
eebca092 | 34 | done |
8e08f814 MW |
35 | info "pick $what = $choice" |
36 | echo "$choice" | |
eebca092 MW |
37 | } |
38 | ||
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39 | ###-------------------------------------------------------------------------- |
40 | ### Parse arguments. | |
f617db13 | 41 | |
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42 | vnc=no |
43 | atomtag= | |
44 | start=yes | |
45 | wait=yes | |
f617db13 | 46 | |
8e08f814 MW |
47 | for opt; do |
48 | case "$opt" in | |
49 | help) | |
50 | cat <<EOF | |
51 | Options: | |
52 | tag=TAG | |
53 | [no]trace | |
54 | [no]info | |
55 | [no]run | |
56 | [no]start | |
57 | [no]wait | |
58 | [no]vnc | |
59 | EOF | |
60 | exit | |
61 | ;; | |
f617db13 | 62 | |
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63 | tag=*) atomtag=/${opt#tag=} ;; |
64 | trace) set -x ;; | |
65 | notrace) set +x ;; | |
66 | info | run | start | wait | vnc) eval "$opt=yes" ;; | |
67 | noinfo | norun | nostart | nowait | novnc) eval "${opt#no}=no" ;; | |
68 | ||
69 | *) echo "unknown option $opt" >&2; exit 1 ;; | |
70 | esac | |
71 | done | |
72 | ||
73 | ###-------------------------------------------------------------------------- | |
27b6787d MW |
74 | ### Preliminary hook. |
75 | ||
76 | if [ -r $HOME/.xinitrc-prehook ]; then | |
77 | . $HOME/.xinitrc-prehook | |
78 | fi | |
79 | ||
80 | ###-------------------------------------------------------------------------- | |
8e08f814 MW |
81 | ### Iniitial settings. |
82 | ||
83 | ## Assume X sessions are secure. | |
84 | export __mdw_sechost="`hostname`" | |
85 | ||
86 | ## Obtain the screen dimensions. | |
87 | case ",$XWIDTH,$XHEIGHT," in | |
88 | *,,*) eval $(xscsize -bx) ;; | |
89 | esac | |
90 | info "screen size = $XWIDTH x $XHEIGHT" | |
91 | ||
92 | initialize () { | |
93 | ## Load the X resource database. | |
94 | run init xrdb -override $HOME/.Xdefaults | |
95 | ||
96 | ## Random xsettery. | |
8ab9747e | 97 | run init xset b 5 2000 50 |
8e08f814 MW |
98 | run init xset r rate 500 50 |
99 | run init xset m 2 1 | |
100 | ||
f4450ac9 | 101 | ## Key mappings. |
cd38b61d MW |
102 | xmodmap $HOME/.xmodmap |
103 | if [ -r $HOME/.xmodmap-local ]; then | |
104 | xmodmap $HOME/.xmodmap-local | |
105 | fi | |
8e08f814 MW |
106 | } |
107 | ||
108 | ###-------------------------------------------------------------------------- | |
109 | ### Start a window manager. | |
110 | ||
6f6bd6da | 111 | wm=$(pick_program window-manager e16 compiz enlightenment e17 twm) |
8e08f814 MW |
112 | wmopts="" |
113 | case "$wm,$vnc" in | |
114 | enlightenment,yes | e16,yes) | |
115 | wmopts="$eopts -econfdir $HOME/.enlightenment-vnc" | |
116 | ;; | |
117 | esac | |
118 | ||
16ee7a8c | 119 | start-e16 () { |
8e08f814 | 120 | run bginit $wm $wmopts |
16ee7a8c MW |
121 | win=nil |
122 | for i in $(seq 10); do | |
b35a9c36 | 123 | sleep 1 |
16ee7a8c MW |
124 | if eesh version >/dev/null 2>&1; then |
125 | win=t | |
126 | break | |
127 | fi | |
16ee7a8c MW |
128 | done |
129 | case $win in | |
130 | t) | |
131 | info "$wm started ok" | |
132 | run init xsetroot -cursor_name left_ptr | |
133 | ;; | |
134 | nil) | |
135 | info "$wm failed to start!" | |
136 | ;; | |
137 | esac | |
138 | } | |
139 | ||
140 | start-window-manager () { | |
141 | case $(type -t start-$wm || echo "not-found") in | |
142 | function) | |
143 | start-$wm $wmopts | |
144 | ;; | |
145 | *) | |
146 | run bginit $wm $wmopts | |
147 | ;; | |
148 | esac | |
8e08f814 MW |
149 | } |
150 | ||
151 | ###-------------------------------------------------------------------------- | |
152 | ### Random useful clients. | |
153 | ||
54951353 MW |
154 | start-clients-local () { :; } |
155 | ||
8e08f814 | 156 | start-clients () { |
2e60c7f3 | 157 | |
5587cf4f | 158 | ## Gnome session. |
2e60c7f3 MW |
159 | case "$vnc,$(gnome-session --version 2>&1)" in |
160 | no,gnome-session\ 2.3[2-9].* | \ | |
161 | no,gnome-session\ 2.4[0-9].* | \ | |
162 | no,gnome-session\ 2.[1-9][0-9][0-9]*) | |
163 | run bginit gnome-session --session mdw | |
164 | ;; | |
165 | no,*) | |
166 | run bginit gnome-session | |
167 | ;; | |
168 | esac | |
54951353 MW |
169 | |
170 | ## Local clients. | |
171 | start-clients-local | |
8e08f814 MW |
172 | } |
173 | ||
174 | ###-------------------------------------------------------------------------- | |
175 | ### Main screen layout. | |
f617db13 | 176 | |
8e08f814 | 177 | ## Choose appropriate clients. |
0c47c911 | 178 | emacs=$(pick_program emacs emacs23 emacs22 emacs21 emacs) |
8e08f814 | 179 | term=$(pick_program terminal pterm Eterm xterm) |
f617db13 | 180 | |
8e08f814 | 181 | ## Emacs window measurements. |
85bbf8d3 | 182 | case "$emacs" in |
8e08f814 | 183 | emacs21 | emacs) |
85bbf8d3 MW |
184 | e_colwd=492 e_hextra=34 |
185 | e_colchars=82 e_cextra=-2 | |
186 | e_lineht=13 e_vextra=52 | |
187 | ;; | |
0c47c911 | 188 | emacs22 | emacs23) |
85bbf8d3 MW |
189 | e_colwd=492 e_hextra=8 |
190 | e_colchars=82 e_cextra=-6 | |
191 | e_lineht=13 e_vextra=46 | |
192 | ;; | |
193 | esac | |
f617db13 | 194 | |
8e08f814 | 195 | ## Terminal window measurements. |
85bbf8d3 | 196 | case "$term" in |
e2b44bd9 | 197 | pterm) t_wd=504 t_lineht=13 t_vextra=23 geom=-geometry;; |
85bbf8d3 MW |
198 | Eterm) t_wd=504 t_lineht=13 t_vextra=23 geom=-g;; |
199 | xterm) t_wd=507 t_lineht=13 t_vextra=27 geom=-geometry;; | |
200 | esac | |
f617db13 | 201 | |
8e08f814 | 202 | ## GNOME stuff measurements. |
f617db13 MW |
203 | declare -i xbound="XWIDTH - 113" |
204 | ||
8e08f814 MW |
205 | ## Choose a width for Emacs. |
206 | ## | |
207 | ## We'd like it to be as wide as possible, allowing for a column of xterms | |
208 | ## down the right hand side. However, I'd prefer a double-width Emacs to a | |
209 | ## single-width Emacs and xterms. If it's not going to work at all, a single | |
210 | ## Emacs column will have to do. Also, there's a strange thing with Emacs21 | |
211 | ## and the toolbar, so we add on some rows which are later mysteriously | |
212 | ## subtracted. | |
f617db13 | 213 | |
85bbf8d3 MW |
214 | declare -i ecols="(xbound - t_wd - e_hextra)/e_colwd" |
215 | if (( ecols < 2 && xbound > e_colwd * 2 + e_hextra )); then | |
f617db13 MW |
216 | ecols=2 |
217 | elif (( ecols < 1 )); then | |
218 | ecols=1 | |
219 | fi | |
220 | ||
8e08f814 MW |
221 | declare -i \ |
222 | emacsx="ecols * e_colchars + e_cextra" \ | |
223 | emacsy="(XHEIGHT - e_vextra)/e_lineht" | |
224 | ||
225 | start-emacs () { | |
bf057abe MW |
226 | GDK_NATIVE_WINDOWS=1 run bgclients noip \ |
227 | $emacs -geometry ${emacsx}x${emacsy}+0+0 | |
8e08f814 MW |
228 | } |
229 | ||
230 | ## Now place some xterms. | |
231 | ## | |
232 | ## A few smaller xterms are in general better than one great big one. 35 | |
233 | ## lines is a good height for most terminals. 25 lines is a minimum. The | |
234 | ## strategy for doling out xterms into a column is to make as many 35-liners | |
235 | ## as we can, until the remaining space would be too small for a 25-liner. | |
236 | ## If we can get two 25s out of that then we do (largest first); otherwise | |
237 | ## just make one big one. We stop at the end of a page, once we've made | |
238 | ## three xterms. | |
239 | ||
240 | start-xterms () { | |
241 | ||
242 | ## Initialize some parameters. | |
6b4faba6 | 243 | declare -i x="ecols * e_colwd + e_hextra" xb=xbound |
8e08f814 MW |
244 | declare -i n=0 pgx=0 l h y ht |
245 | declare -i hstd="35 * t_lineht + t_vextra" hmin="25 * t_lineht + t_vextra" | |
246 | ||
247 | ## Do the placement. | |
248 | while :; do | |
249 | ||
250 | ## Start a new iteration. | |
6b4faba6 | 251 | if ((x + t_wd > xb)); then |
8e08f814 | 252 | if ((n >= 3)); then break; fi |
6b4faba6 | 253 | x="pgx + XWIDTH" pgx="pgx + XWIDTH" xb="xb + XWIDTH" |
8e08f814 MW |
254 | fi |
255 | ||
256 | ## Make large xterms. | |
257 | y=0 ht=XHEIGHT | |
258 | while ((ht - hstd >= hmin)); do | |
259 | run bgclients $term $geom 80x35+$x+$y | |
260 | y="y + hstd" ht="ht - hstd" n="n + 1" | |
261 | done | |
262 | ||
263 | ## Fill the remaining space. | |
264 | if ((ht >= 2 * hmin)); then h="ht - hmin"; else h=ht; fi | |
265 | l="(h - t_vextra)/t_lineht" h="l * t_lineht + t_vextra" | |
266 | run bgclients $term $geom 80x$l+$x+$y | |
267 | y="y + h" ht="ht - h" n="n + 1" | |
268 | if ((ht >= hmin)); then | |
269 | run bgclients $term $geom 80x25+$x+$y | |
270 | n="n + 1" | |
271 | fi | |
272 | x="x + t_wd" | |
f617db13 | 273 | done |
8e08f814 | 274 | } |
f617db13 | 275 | |
8e08f814 | 276 | ###-------------------------------------------------------------------------- |
3bdada49 MW |
277 | ### Requesters. |
278 | ||
279 | req () { | |
280 | declare title=$1 hist=$2; shift 2 | |
3f88bd1f | 281 | cmd=$(xgetline -t "$title" -p "_Command:" -Hl "$HOME/$hist") && |
3bdada49 MW |
282 | exec "$@" "$cmd" |
283 | } | |
284 | ||
285 | ###-------------------------------------------------------------------------- | |
8e08f814 MW |
286 | ### Final waiting. |
287 | ||
288 | atom=XINIT_COMMAND$atomtag | |
289 | ||
290 | xwait () { | |
291 | while :; do | |
292 | xatom delete $atom | |
293 | info "waiting on $atom" | |
294 | line=$(xatom wait $atom) | |
295 | info "xatom: $line" | |
296 | ||
297 | case "$line" in | |
298 | :help) | |
299 | xmsg -I -t "xinitrc help" -d "xinitrc commands" - <<EOF & | |
300 | :help | |
301 | :emacs :xterms :window-manager :clients | |
3bdada49 | 302 | :ask-run :ask-command |
8e08f814 MW |
303 | :init |
304 | :terminal | |
305 | ! SHELL-COMMAND | |
306 | CLIENT | |
307 | EOF | |
308 | ;; | |
309 | :emacs | :xterms | :window-manager | :clients) | |
310 | start-${line#:} | |
311 | ;; | |
312 | :terminal) | |
313 | run bgclients $term | |
314 | ;; | |
315 | :init) | |
316 | initialize | |
317 | ;; | |
318 | :exec) | |
319 | info "restarting xinitrc" | |
320 | exec "$0" wait nostart | |
321 | ;; | |
3bdada49 MW |
322 | :ask-run) |
323 | req "Shell command" .cmd.hist xcatch -FMiscFixed6x13 -- sh -c& | |
324 | ;; | |
325 | :ask-command) | |
326 | req "xinit command" .xinit.hist xatom set XINIT_COMMAND$atomtag& | |
327 | ;; | |
8e08f814 MW |
328 | :*) |
329 | xmsg -E -t "xinitrc error" "Unknown command \`$line'" & | |
330 | ;; | |
331 | !*) | |
332 | eval "${line#!}" | |
333 | ;; | |
334 | *) | |
2f616761 | 335 | set -- $line |
8e08f814 MW |
336 | run bgclients "$@" |
337 | ;; | |
338 | esac | |
339 | done | |
340 | } | |
341 | ||
342 | ###-------------------------------------------------------------------------- | |
8ca91005 MW |
343 | ### Gnome session care and feeding. |
344 | ||
345 | session-running-p () { | |
346 | dbus-send --session --print-reply --dest=org.freedesktop.DBus / \ | |
347 | org.freedesktop.DBus.GetNameOwner string:org.gnome.SessionManager \ | |
348 | >/dev/null 2>&1 | |
349 | } | |
350 | ||
351 | kill-gnome-session () { | |
352 | if session-running-p; then | |
353 | info "killing Gnome session manager" | |
354 | dbus-send --session \ | |
355 | --dest=org.gnome.SessionManager /org/gnome/SessionManager \ | |
356 | org.gnome.SessionManager.Logout uint32:2 | |
357 | for i in 1 2 3 4 5; do | |
358 | sleep 1 | |
359 | if ! session-running-p; then break; fi | |
360 | done | |
361 | fi | |
362 | } | |
363 | ||
364 | ###-------------------------------------------------------------------------- | |
8e08f814 MW |
365 | ### Actually start things up. |
366 | ||
54951353 MW |
367 | if [ -f $HOME/.xinitrc-local ]; then |
368 | . $HOME/.xinitrc-local | |
369 | fi | |
370 | ||
8e08f814 MW |
371 | case "$start" in |
372 | yes) | |
373 | info "starting standard clients" | |
374 | initialize | |
375 | start-window-manager | |
376 | start-clients | |
377 | start-emacs | |
378 | start-xterms | |
379 | ;; | |
380 | no) | |
381 | info "not starting standard clients" | |
382 | ;; | |
383 | esac | |
384 | ||
385 | case "$wait" in | |
386 | yes) | |
387 | xwait | |
8ca91005 | 388 | kill-gnome-session |
8e08f814 MW |
389 | ;; |
390 | no) | |
391 | info "not waiting before exit" | |
392 | ;; | |
393 | esac | |
f617db13 | 394 | |
8e08f814 | 395 | ###----- That's all, folks -------------------------------------------------- |