Commit | Line | Data |
---|---|---|
f617db13 | 1 | #! /bin/bash |
8e08f814 MW |
2 | ### |
3 | ### X startup script | |
f617db13 | 4 | |
8e08f814 MW |
5 | ###-------------------------------------------------------------------------- |
6 | ### Utility functions. | |
f617db13 | 7 | |
8e08f814 MW |
8 | ## Progress indicators. |
9 | info=yes | |
10 | info () { | |
11 | case $info in yes) echo "- $*" >&2 ;; esac | |
12 | } | |
f617db13 | 13 | |
8e08f814 MW |
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) "$@" & ;; | |
25 | esac | |
26 | } | |
eebca092 | 27 | |
74bd743a MW |
28 | manage () { |
29 | local when=$(date +%s) now | |
30 | local fail=0 rc report | |
31 | ||
32 | while :; do | |
33 | "$@"; rc=$? | |
34 | case $rc in | |
35 | 0) info "manage $1: successful exit"; break ;; | |
36 | 143) info "manage $1: terminated"; break ;; | |
37 | esac | |
38 | now=$(date +%s) | |
39 | report="rc = $rc" | |
40 | if (( $now - $when > 5 )); then | |
41 | fail=0 | |
42 | else | |
43 | report="$report, early failure" | |
44 | fail=$(( $fail + 1 )) | |
45 | if (( $fail >= 5 )); then | |
46 | info "manage $1: exit ($report), giving up after $fail failures" | |
47 | break | |
48 | fi | |
49 | fi | |
50 | info "manage $1: exit ($report), restarting" | |
51 | when=$now | |
52 | done | |
53 | } | |
54 | ||
8e08f814 | 55 | ## Program choice |
eebca092 | 56 | pick_program () { |
8e08f814 MW |
57 | local what=$1; shift |
58 | local choice=false | |
eebca092 | 59 | for i in "$@"; do |
8e08f814 | 60 | if type -t >/dev/null "$i"; then choice=$i; break; fi |
eebca092 | 61 | done |
8e08f814 MW |
62 | info "pick $what = $choice" |
63 | echo "$choice" | |
eebca092 MW |
64 | } |
65 | ||
8e08f814 MW |
66 | ###-------------------------------------------------------------------------- |
67 | ### Parse arguments. | |
f617db13 | 68 | |
8e08f814 MW |
69 | vnc=no |
70 | atomtag= | |
71 | start=yes | |
72 | wait=yes | |
f617db13 | 73 | |
8e08f814 MW |
74 | for opt; do |
75 | case "$opt" in | |
76 | help) | |
77 | cat <<EOF | |
78 | Options: | |
79 | tag=TAG | |
80 | [no]trace | |
81 | [no]info | |
82 | [no]run | |
83 | [no]start | |
84 | [no]wait | |
85 | [no]vnc | |
86 | EOF | |
87 | exit | |
88 | ;; | |
f617db13 | 89 | |
8e08f814 MW |
90 | tag=*) atomtag=/${opt#tag=} ;; |
91 | trace) set -x ;; | |
92 | notrace) set +x ;; | |
93 | info | run | start | wait | vnc) eval "$opt=yes" ;; | |
94 | noinfo | norun | nostart | nowait | novnc) eval "${opt#no}=no" ;; | |
95 | ||
96 | *) echo "unknown option $opt" >&2; exit 1 ;; | |
97 | esac | |
98 | done | |
99 | ||
27b6787d MW |
100 | ###-------------------------------------------------------------------------- |
101 | ### Preliminary hook. | |
102 | ||
103 | if [ -r $HOME/.xinitrc-prehook ]; then | |
104 | . $HOME/.xinitrc-prehook | |
105 | fi | |
106 | ||
8e08f814 MW |
107 | ###-------------------------------------------------------------------------- |
108 | ### Iniitial settings. | |
109 | ||
110 | ## Assume X sessions are secure. | |
111 | export __mdw_sechost="`hostname`" | |
112 | ||
113 | ## Obtain the screen dimensions. | |
114 | case ",$XWIDTH,$XHEIGHT," in | |
b8d36c3c | 115 | *,,*) eval $(xscsize -bx; xscsize -bmx) ;; |
8e08f814 | 116 | esac |
b8d36c3c MW |
117 | case ",$XNSCR," in |
118 | ,,) | |
fc504d29 | 119 | XNSCR=1 XSCR0_X=0 XSCR0_Y=0 XSCR0_WIDTH=$XWIDTH XSCR0_HEIGHT=$XHEIGHT |
b8d36c3c MW |
120 | ;; |
121 | esac | |
122 | i=0; while (( i < XNSCR )); do | |
123 | eval "x=\$XSCR${i}_X y=\$XSCR${i}_Y | |
124 | wd=\$XSCR${i}_WIDTH ht=\$XSCR${i}_HEIGHT" | |
125 | info "screen #$i = ${wd}x${ht}+${x}+${y}" | |
126 | i=$(( i + 1 )) | |
127 | done | |
8e08f814 MW |
128 | |
129 | initialize () { | |
130 | ## Load the X resource database. | |
131 | run init xrdb -override $HOME/.Xdefaults | |
132 | ||
133 | ## Random xsettery. | |
8ab9747e | 134 | run init xset b 5 2000 50 |
8e08f814 MW |
135 | run init xset r rate 500 50 |
136 | run init xset m 2 1 | |
137 | ||
f4450ac9 | 138 | ## Key mappings. |
cd38b61d MW |
139 | xmodmap $HOME/.xmodmap |
140 | if [ -r $HOME/.xmodmap-local ]; then | |
141 | xmodmap $HOME/.xmodmap-local | |
142 | fi | |
8e08f814 MW |
143 | } |
144 | ||
145 | ###-------------------------------------------------------------------------- | |
146 | ### Start a window manager. | |
147 | ||
6f6bd6da | 148 | wm=$(pick_program window-manager e16 compiz enlightenment e17 twm) |
8e08f814 MW |
149 | wmopts="" |
150 | case "$wm,$vnc" in | |
151 | enlightenment,yes | e16,yes) | |
152 | wmopts="$eopts -econfdir $HOME/.enlightenment-vnc" | |
153 | ;; | |
154 | esac | |
155 | ||
16ee7a8c | 156 | start-e16 () { |
74bd743a | 157 | run bginit manage $wm $wmopts |
16ee7a8c MW |
158 | win=nil |
159 | for i in $(seq 10); do | |
b35a9c36 | 160 | sleep 1 |
16ee7a8c MW |
161 | if eesh version >/dev/null 2>&1; then |
162 | win=t | |
163 | break | |
164 | fi | |
16ee7a8c MW |
165 | done |
166 | case $win in | |
167 | t) | |
168 | info "$wm started ok" | |
169 | run init xsetroot -cursor_name left_ptr | |
170 | ;; | |
171 | nil) | |
172 | info "$wm failed to start!" | |
173 | ;; | |
174 | esac | |
175 | } | |
176 | ||
177 | start-window-manager () { | |
178 | case $(type -t start-$wm || echo "not-found") in | |
179 | function) | |
180 | start-$wm $wmopts | |
181 | ;; | |
182 | *) | |
74bd743a | 183 | run bginit manage $wm $wmopts |
16ee7a8c MW |
184 | ;; |
185 | esac | |
8e08f814 MW |
186 | } |
187 | ||
188 | ###-------------------------------------------------------------------------- | |
189 | ### Random useful clients. | |
190 | ||
54951353 MW |
191 | start-clients-local () { :; } |
192 | ||
8e08f814 | 193 | start-clients () { |
2e60c7f3 | 194 | |
5587cf4f | 195 | ## Gnome session. |
d83c96c9 MW |
196 | case "$vnc,$(xfce4-session --version 2>&1),$(gnome-session --version 2>&1)" |
197 | in | |
198 | no,xfce4-session*) | |
199 | run bginit xfce4-session | |
200 | ;; | |
201 | no,*,gnome-session\ 2.3[2-9].* | \ | |
202 | no,*,gnome-session\ 2.4[0-9].* | \ | |
203 | no,*,gnome-session\ 2.[1-9][0-9][0-9]*) | |
2e60c7f3 MW |
204 | run bginit gnome-session --session mdw |
205 | ;; | |
d83c96c9 | 206 | no,*,gnome-session*) |
2e60c7f3 MW |
207 | run bginit gnome-session |
208 | ;; | |
209 | esac | |
54951353 MW |
210 | |
211 | ## Local clients. | |
212 | start-clients-local | |
8e08f814 MW |
213 | } |
214 | ||
215 | ###-------------------------------------------------------------------------- | |
216 | ### Main screen layout. | |
f617db13 | 217 | |
8e08f814 | 218 | ## Choose appropriate clients. |
722f9bbc | 219 | emacs=$(pick_program emacs \ |
936b7279 | 220 | emacs24-lucid emacs23-lucid emacs24 emacs23 emacs22 emacs21 emacs) |
8e08f814 | 221 | term=$(pick_program terminal pterm Eterm xterm) |
f617db13 | 222 | |
8e08f814 | 223 | ## Emacs window measurements. |
35f728b2 | 224 | ## |
58ccc65c MW |
225 | ## e_colsz = width of a column in characters (from `emacs-width' metaconfig) |
226 | ## e_charwd = width of a character in pixels (assume `6x13') | |
227 | ## e_colextra = additional per-column overhead in pixels | |
228 | ## e_colextrachars = additional per-column overhead in character units | |
35f728b2 MW |
229 | ## e_colwd = basic width of a column in pixels |
230 | ## e_hextra = extra horizontal width in pixels | |
231 | ## Width of an N-column Emacs frame in pixels will be | |
232 | ## N*e_colwd + e_hextra | |
233 | ## e_colchars = width of a column in Emacs `-geometry' units | |
234 | ## e_cextra = extra horizontal width in Emacs `-geometry' units | |
235 | ## So an N-column frame should be reported to Emacs as being | |
236 | ## N*e_colchars + e_cextra geometry units wide | |
237 | ## e_lineht = height of a character line in pixels | |
238 | ## e_vextra = number of additional vertical cruft pixels | |
239 | ## So an N-line Emacs frame takes N*e_lineht + e_vextra pixels | |
46e40566 MW |
240 | e_colsz=$(mdw-conf emacs-width 77) e_charwd=6 |
241 | e_colextra=30 e_colextrachars=5 e_lineht=13 | |
85bbf8d3 | 242 | case "$emacs" in |
22e3f287 MW |
243 | emacs21 | emacs) e_hextra=34 e_cextra=-2 e_vextra=52 ;; |
244 | emacs22 | emacs23) e_hextra=8 e_cextra=-6 e_vextra=46 ;; | |
245 | emacs24) e_hextra=5 e_cextra=-6 e_vextra=42 ;; | |
246 | emacs23-lucid) e_hextra=7 e_cextra=-6 e_vextra=48 ;; | |
247 | emacs24-lucid) e_hextra=7 e_cextra=-5 e_vextra=48 ;; | |
85bbf8d3 | 248 | esac |
46e40566 MW |
249 | e_colwd=$(( e_colsz*e_charwd + e_colextra )) |
250 | e_colchars=$(( e_colsz + e_colextrachars )) | |
f617db13 | 251 | |
8e08f814 | 252 | ## Terminal window measurements. |
35f728b2 MW |
253 | ## |
254 | ## t_wd = the window width, in pixels | |
255 | ## t_lineht, t_vextra = height parameters: if the window is N lines high, | |
256 | ## then it will be N*t_lineht + t_vextra pixels high | |
85bbf8d3 | 257 | case "$term" in |
e2b44bd9 | 258 | pterm) t_wd=504 t_lineht=13 t_vextra=23 geom=-geometry;; |
85bbf8d3 MW |
259 | Eterm) t_wd=504 t_lineht=13 t_vextra=23 geom=-g;; |
260 | xterm) t_wd=507 t_lineht=13 t_vextra=27 geom=-geometry;; | |
261 | esac | |
f617db13 | 262 | |
8e08f814 | 263 | ## GNOME stuff measurements. |
6c3d0b23 | 264 | declare -i panelwd=64 xbound=$(( XWIDTH - panelwd )) |
f617db13 | 265 | |
8e08f814 MW |
266 | ## Choose a width for Emacs. |
267 | ## | |
30ab13b5 MW |
268 | ## We're going to make a single frame of Emacs, which will be automatically |
269 | ## divvied into columns; the rest of the space will be tiled with xterms. If | |
270 | ## we have multiple screens, then Emacs can have the first screen and we'll | |
271 | ## fill the rest with terminals. Otherwise, we'll try to have N columns of | |
272 | ## Emacs, and N - 1 columns of xterms; if that doesn't work, we'll make do | |
273 | ## with N - 2 columns of xterms. | |
274 | ## | |
275 | ## So, let W be the available width; let E and T be the widths of an Emacs | |
276 | ## column (e_colwd) and terminal (t_wd), respectively, and let E0 be the | |
277 | ## additive width of Emacs's existence (e_hextra). If we have more than one | |
278 | ## screen, then instead, let T be zero. To start out, then, we let N = 1 + | |
279 | ## floor((W - E - E0)/(E + T)). If W - E0 - (N + 1) E - (N - 1)*T >= 0, then | |
280 | ## we increase N by one. | |
b8d36c3c MW |
281 | declare -i lim=XSCR0_WIDTH |
282 | if (( lim > xbound )); then lim=xbound; fi | |
30ab13b5 MW |
283 | declare -i twd=t_wd; if (( XNSCR > 1 )); then twd=0; fi |
284 | declare -i ecols=$(( (lim - e_colwd - e_hextra)/(e_colwd + twd) + 1 )) | |
285 | if (( lim - e_hextra - (ecols + 1)*e_colwd - (ecols - 1)*twd >= 0 )); then | |
286 | ecols=$(( ecols + 1 )) | |
f617db13 MW |
287 | fi |
288 | ||
8e08f814 | 289 | declare -i \ |
7f903e21 MW |
290 | emacsx=$(( ecols*e_colchars + e_cextra )) \ |
291 | emacsy=$(( (XHEIGHT - e_vextra)/e_lineht )) | |
8e08f814 MW |
292 | |
293 | start-emacs () { | |
bf057abe | 294 | GDK_NATIVE_WINDOWS=1 run bgclients noip \ |
e10a95ab | 295 | $emacs -bg black -geometry ${emacsx}x${emacsy}+${XSCR0_X}+${XSCR0_Y} |
8e08f814 MW |
296 | } |
297 | ||
298 | ## Now place some xterms. | |
299 | ## | |
300 | ## A few smaller xterms are in general better than one great big one. 35 | |
301 | ## lines is a good height for most terminals. 25 lines is a minimum. The | |
302 | ## strategy for doling out xterms into a column is to make as many 35-liners | |
303 | ## as we can, until the remaining space would be too small for a 25-liner. | |
304 | ## If we can get two 25s out of that then we do (largest first); otherwise | |
305 | ## just make one big one. We stop at the end of a page, once we've made | |
306 | ## three xterms. | |
307 | ||
308 | start-xterms () { | |
309 | ||
310 | ## Initialize some parameters. | |
7f903e21 | 311 | declare -i x=$(( ecols*e_colwd + e_hextra + XSCR0_X )) xb=xbound |
b8d36c3c | 312 | declare -i n=0 pgx=0 l h y ht scr=0 ll=lim |
7f903e21 MW |
313 | declare -i hstd=$(( 35*t_lineht + t_vextra )) |
314 | declare -i hmin=$(( 25*t_lineht + t_vextra )) | |
b8d36c3c MW |
315 | declare -i scrx scry scrwd scrht |
316 | ||
317 | eval "scrx=\$XSCR${scr}_X scry=\$XSCR${scr}_Y | |
318 | scrwd=\$XSCR${scr}_WIDTH scrht=\$XSCR${scr}_HEIGHT" | |
8e08f814 MW |
319 | |
320 | ## Do the placement. | |
321 | while :; do | |
322 | ||
323 | ## Start a new iteration. | |
7f903e21 | 324 | if (( x + t_wd > ll )); then |
b8d36c3c MW |
325 | scr=$(( scr + 1 )) |
326 | if (( scr >= XNSCR )); then | |
327 | if (( n >= 3 )); then break; fi | |
328 | pgx=$(( pgx + XWIDTH )) xb=$(( xb + XWIDTH )) | |
329 | scr=0 | |
330 | fi | |
331 | eval "scrx=\$XSCR${scr}_X scry=\$XSCR${scr}_Y | |
332 | scrwd=\$XSCR${scr}_WIDTH scrht=\$XSCR${scr}_HEIGHT" | |
333 | x=$(( pgx + scrx )) | |
334 | ll=$(( x + scrwd )) | |
335 | if (( ll > xb )); then ll=xb; fi | |
8e08f814 MW |
336 | fi |
337 | ||
338 | ## Make large xterms. | |
b8d36c3c | 339 | y=scry ht=scrht |
7f903e21 | 340 | while (( ht - hstd >= hmin )); do |
8e08f814 | 341 | run bgclients $term $geom 80x35+$x+$y |
7f903e21 | 342 | y=$(( y + hstd )) ht=$(( ht - hstd )) n=$(( n + 1 )) |
8e08f814 MW |
343 | done |
344 | ||
345 | ## Fill the remaining space. | |
7f903e21 MW |
346 | if (( ht >= 2*hmin )); then h=$(( ht - hmin )); else h=ht; fi |
347 | l=$(( (h - t_vextra)/t_lineht )) h=$(( l*t_lineht + t_vextra )) | |
8e08f814 | 348 | run bgclients $term $geom 80x$l+$x+$y |
7f903e21 | 349 | y=$(( y + h )) ht=$(( ht - h )) n=$(( n + 1 )) |
8e08f814 MW |
350 | if ((ht >= hmin)); then |
351 | run bgclients $term $geom 80x25+$x+$y | |
7f903e21 | 352 | n=$(( n + 1 )) |
8e08f814 | 353 | fi |
7f903e21 | 354 | x=$(( x + t_wd )) |
f617db13 | 355 | done |
8e08f814 | 356 | } |
f617db13 | 357 | |
3bdada49 MW |
358 | ###-------------------------------------------------------------------------- |
359 | ### Requesters. | |
360 | ||
361 | req () { | |
362 | declare title=$1 hist=$2; shift 2 | |
3f88bd1f | 363 | cmd=$(xgetline -t "$title" -p "_Command:" -Hl "$HOME/$hist") && |
3bdada49 MW |
364 | exec "$@" "$cmd" |
365 | } | |
366 | ||
8e08f814 MW |
367 | ###-------------------------------------------------------------------------- |
368 | ### Final waiting. | |
369 | ||
370 | atom=XINIT_COMMAND$atomtag | |
371 | ||
372 | xwait () { | |
373 | while :; do | |
374 | xatom delete $atom | |
375 | info "waiting on $atom" | |
376 | line=$(xatom wait $atom) | |
377 | info "xatom: $line" | |
378 | ||
379 | case "$line" in | |
380 | :help) | |
381 | xmsg -I -t "xinitrc help" -d "xinitrc commands" - <<EOF & | |
382 | :help | |
383 | :emacs :xterms :window-manager :clients | |
3bdada49 | 384 | :ask-run :ask-command |
8e08f814 MW |
385 | :init |
386 | :terminal | |
387 | ! SHELL-COMMAND | |
388 | CLIENT | |
389 | EOF | |
390 | ;; | |
391 | :emacs | :xterms | :window-manager | :clients) | |
392 | start-${line#:} | |
393 | ;; | |
394 | :terminal) | |
395 | run bgclients $term | |
396 | ;; | |
397 | :init) | |
398 | initialize | |
399 | ;; | |
400 | :exec) | |
401 | info "restarting xinitrc" | |
402 | exec "$0" wait nostart | |
403 | ;; | |
3bdada49 | 404 | :ask-run) |
a6780078 | 405 | req "Shell command" .cmd.hist xcatch -F"Fixed 13" -- sh -c& |
3bdada49 MW |
406 | ;; |
407 | :ask-command) | |
408 | req "xinit command" .xinit.hist xatom set XINIT_COMMAND$atomtag& | |
409 | ;; | |
8e08f814 MW |
410 | :*) |
411 | xmsg -E -t "xinitrc error" "Unknown command \`$line'" & | |
412 | ;; | |
413 | !*) | |
414 | eval "${line#!}" | |
415 | ;; | |
416 | *) | |
2f616761 | 417 | set -- $line |
8e08f814 MW |
418 | run bgclients "$@" |
419 | ;; | |
420 | esac | |
421 | done | |
422 | } | |
423 | ||
8ca91005 MW |
424 | ###-------------------------------------------------------------------------- |
425 | ### Gnome session care and feeding. | |
426 | ||
427 | session-running-p () { | |
428 | dbus-send --session --print-reply --dest=org.freedesktop.DBus / \ | |
429 | org.freedesktop.DBus.GetNameOwner string:org.gnome.SessionManager \ | |
430 | >/dev/null 2>&1 | |
431 | } | |
432 | ||
d83c96c9 MW |
433 | dbus-service-running-p () { |
434 | dbus-send >/dev/null 2>&1 --session --print-reply \ | |
435 | --dest=org.freedesktop.DBus / \ | |
436 | org.freedesktop.DBus.GetNameOwner string:$1 | |
437 | } | |
438 | ||
8ca91005 | 439 | kill-gnome-session () { |
d83c96c9 MW |
440 | win=nil |
441 | while read service object logout; do | |
442 | if dbus-service-running-p $service; then win=t; break; fi | |
443 | done <<EOF | |
444 | org.xfce.SessionManager /org/xfce/SessionManager org.xfce.Session.Manager.Shutdown uint32:1 boolean:false | |
445 | org.gnome.SessionManager /org/gnome/SessionManager org.gnome.SessionManager.Logout uint32:2 | |
446 | EOF | |
447 | case $win in nil) return ;; esac | |
448 | info "killing session manager" | |
449 | dbus-send --session --dest=$service $object $logout | |
450 | for i in 1 2 3 4 5; do | |
451 | sleep 1 | |
452 | if ! dbus-service-running-p $service; then break; fi | |
453 | done | |
8ca91005 MW |
454 | } |
455 | ||
8e08f814 MW |
456 | ###-------------------------------------------------------------------------- |
457 | ### Actually start things up. | |
458 | ||
54951353 MW |
459 | if [ -f $HOME/.xinitrc-local ]; then |
460 | . $HOME/.xinitrc-local | |
461 | fi | |
462 | ||
8e08f814 MW |
463 | case "$start" in |
464 | yes) | |
465 | info "starting standard clients" | |
466 | initialize | |
467 | start-window-manager | |
468 | start-clients | |
469 | start-emacs | |
470 | start-xterms | |
471 | ;; | |
472 | no) | |
473 | info "not starting standard clients" | |
474 | ;; | |
475 | esac | |
476 | ||
477 | case "$wait" in | |
478 | yes) | |
479 | xwait | |
8ca91005 | 480 | kill-gnome-session |
8e08f814 MW |
481 | ;; |
482 | no) | |
483 | info "not waiting before exit" | |
484 | ;; | |
485 | esac | |
f617db13 | 486 | |
8e08f814 | 487 | ###----- That's all, folks -------------------------------------------------- |