3 #---------- general utilities ----------
7 tk_setPalette background black foreground white
11 set default_speedstep_list {0 1 10 20 35 50 65 80 95 110 126}
16 proc pagew {page} { return ".picture-$page" }
17 proc debug {m} { puts $m }
25 proc widgets-dgram {} {
26 global cpage geometry picturepadx picturepady
27 if {[string length $geometry]} { wm geometry . $geometry }
28 set sizes [exec ./gui-plan-$cpage --sizes]
31 frame $w.picture -background {} \
32 -width [lindex $sizes 0] \
33 -height [lindex $sizes 1]
34 pack $w.picture -padx $picturepadx -pady $picturepady
38 proc widgets-fullscreen-nowm {} {
39 pack propagate . false
40 foreach wh {width height} {
41 . configure -$wh [winfo screen$wh .]
46 global errorCode errorInfo
48 puts stderr "UNEXPECTED BACKGROUND ERROR\n"
49 puts stderr "$errorCode\n$errorInfo\n$emsg"
54 #---------- train set event registraton ----------
56 set event_dispatch_body {
59 set event_selections {}
61 proc register-event {selections args re body} {
62 global event_dispatch_body event_selections
64 eval lappend event_selections $selections
66 foreach selection $selections {
67 if {[regexp {^\w} $selection]} {
68 error "selection $selection lacks context char"
71 if {[regexp {^\^\w} $re]} {
72 error "re $re never matches context char"
75 regsub -all {\W+} $re - proc
76 set proc "event/$proc/[join $args -]"
79 while {![catch { info args $proc$suffix }]} { set suffix [incr number] }
82 proc $proc [concat l $args] $body
84 foreach a $args { append al " \$$a" }
86 append event_dispatch_body \
87 " if {\[regexp [list $re] \$l dummy $args]} {\n" \
88 " debug \"$proc$al\"\n" \
89 " eval [list $proc] \[list \$l$al]\n" \
94 #---------- handling of commands we issue ----------
96 proc scmd {onresult ctrlr commandstr args} {
98 # eval [list $onresult-ok|nak|error $ackornakmessage] $args
99 global commands_queued
101 lappend commands_queued [list $ctrlr $onresult $args]
104 proc scmd_result {oknakerr message reporterrmsg} {
105 global commands_queued
106 manyset [lindex $commands_queued 0] ctrlr onresult args
107 set commands_queued [lrange $commands_queued 1 end]
108 if {[string length $reporterrmsg]} {
109 report-problem "$ctrlr: $reporterrmsg"
111 set proc "$onresult-$oknakerr"
112 if {![string compare $oknakerr nak] && [catch { info args $proc }]} {
113 set proc "$onresult-err"
115 eval [list $proc $message] $args
118 register-event {} {} {^\+ack \S+ ok } { scmd_result ok $l "" }
119 register-event {} {train segment error} \
120 {^\+ack \S+ SignallingPredictedProblem (\S+) (\S+) \: (.*) $} {
122 if {[string compare - $segment]} { append m " @$segment" }
124 scmd_result err $l $m
126 register-event {} {} {^\+ack } { scmd_result err $l $l }
127 register-event {} {} {^\+nack \S+ } { scmd_result nak $l $l }
129 proc routinecmd-nak {m args} { error "got nak to routine command: $m" }
130 proc routinecmd-err {m args} { }
131 proc routinecmd-ok {m args} { }
133 proc mustsucceed-err {m args} { error "unexpected error: $m" }
134 proc mustsucceed-ok {m args} { }
136 proc report-problem-report-stderr {m} { puts stderr "*** $m" }
137 set report_problem_report report-problem-report-stderr
139 proc report-problem {message} {
140 global report_problem_report
141 eval $report_problem_report [list $message]
144 proc widget-problem-report {} {
145 global problem_reports report_problem_report
146 set problem_reports "\n\n\n\n\n"
147 label .problem-report -anchor w -justify left -takefocus 0 \
148 -border 2 -relief sunken -width 80 -textvariable problem_reports
149 pack .problem-report -side top
150 set report_problem_report report-problem-report-widget
153 proc report-problem-report-widget {m} {
154 global problem_reports
155 set problem_reports [join [concat \
156 [lrange [split $problem_reports "\n"] 1 end] \
161 #---------- movpos (overlay buttons, keybindings, execution) ----------
163 proc movpos-button-gvars {mid} {
164 upvar #0 mp_details($mid) details
165 if {![info exists details]} { return 0 }
166 uplevel 1 [list manyset $details cpage key seg feat poslocs]
167 uplevel 1 { set w [pagew $cpage].movpos-$mid }
168 upvar #0 mp_state($mid) state
169 uplevel 1 [list manyset $state posn]
173 proc movpos-button-sstate {mid posn} {
174 upvar #0 mp_state($mid) state
176 movpos-button-setdisplay $mid
179 proc movpos-all-unknown {} {
181 foreach mid [array names mp_details] {
182 movpos-button-sstate $mid ?
186 proc widgets-movpos {} {
188 foreach mid [array names mp_details] {
189 upvar #0 mp_state($mid) state
191 movpos-button-gvars $mid
192 set w [pagew $cpage].movpos-$mid
193 button $w -text $key -padx 0 -pady 0 -borderwidth 0 \
194 -command [list movpos-invoked $mid "plan $cpage"]
195 movpos-button-setdisplay $mid
199 proc movpos-button-setdisplay {mid} {
200 # we want to display as much of these as possible:
201 # position known ? (actual position is done by button location)
203 # whether a train's plan includes a different position
205 movpos-button-gvars $mid
208 $w configure -background $bg -foreground $fg \
209 -activebackground $bg -activeforeground $fg
210 switch -exact $posn {
211 ? { manyset [lindex $poslocs 2] x y }
212 default { manyset [lindex $poslocs $posn] x y }
214 place $w -anchor center -x $x -y $y
217 proc movpos-invoked {mid ctrlr} {
218 global movfeatcommand
219 movpos-button-gvars $mid
220 switch -exact $posn {
222 default { set new_posn 0 }
224 scmd routinecmd $ctrlr "$movfeatcommand $seg $feat $new_posn"
227 register-event ?movpos_*_feat {seg feat posn_new} \
228 {^.movpos (\w+) feat (\w+) ([01]|\?) } {
230 if {![movpos-button-gvars $mid]} return
232 movpos-button-sstate $mid $posn
235 proc movpos-bindkey-1 {cpage key seg feat adj0x adj0y adj1x adj1y} {
236 global posdeviation picturepadx picturepady
237 manyset [subseg-end-get-centroid $cpage $seg $feat {}] mx my
240 manyset [subseg-end-get-centroid $cpage $seg $feat $posn] x y
241 set dx [expr {$x-$mx}]; set dy [expr {$y-$my}]
242 set d [expr {sqrt($dx*$dx + $dy*$dy)}]
243 set mul [expr {$posdeviation / ($d + 1e-6)}]
244 set x [expr {$mx + $mul*$dx + $picturepadx + [set adj${posn}x]}]
245 set y [expr {$my + $mul*$dy + $picturepady + [set adj${posn}y]}]
246 lappend poslocs [list $x $y]
248 lappend poslocs [list [expr {$mx + $picturepadx + ($adj0x+$adj1x)*0.5}] \
249 [expr {$my + $picturepady + ($adj0y+$adj1y)*0.5}]]
250 upvar #0 mp_details($mid) details
251 set details [list $cpage $key $seg $feat $poslocs]
253 bind . <Key-[string tolower $key]> [list movpos-invoked $mid "keyboard"]
256 #---------- computation of movpos button locations
258 proc layout-subseg-featmap {seg concfeatpos args} {
260 set subsegfeatmap($concfeatpos) $args
263 proc layout-subseg-end {seg feat posn x y} {
265 upvar #0 subsegfeatmap($feat$posn) mapped
266 if {[info exists mapped]} {
267 foreach {feat posn} $mapped {
268 layout-subseg-end $seg $feat $posn $x $y
272 upvar #0 ld_sse/${cpage}($seg/$feat$posn) sse
273 if {![info exists sse]} { set sse {{} {}} }
277 set sse [list $lx $ly]
278 if {[string length $posn]} { layout-subseg-end $seg $feat {} $x $y }
281 proc subseg-end-get-centroid {cpage seg feat posn} {
282 upvar #0 ld_sse/${cpage}($seg/$feat$posn) sse
283 if {![info exists sse]} {
284 puts "skipping binding of unknown $seg/$feat$posn"
288 set sx 0; set sy 0; set n [llength $lx]
289 foreach x $lx y $ly { addexpr sx {$x}; addexpr sy {$y} }
290 return [list [expr {$sx * 1.0 / $n}] [expr {$sy * 1.0 / $n}]]
293 proc layout-data {} {
295 upvar #0 ld_sse/$cpage sse
297 source ../layout/ours.dgram.segmap-info
298 source ../layout/ours.dgram-$cpage.overlay-info
300 upvar #0 movpos_bindings($cpage) bindings
301 if {![info exists bindings]} {
302 puts "no movpos bindings for $cpage"
305 foreach binding $bindings {
307 {^([A-Z])([-+]\d*)?([-+]\d*)?([-+]\d*)?([-+]\d*)?\=(\w+)/([A-Z]+)$} \
308 $binding dummy key adj0x adj0y adj1x adj1y seg feat]} {
309 if {![string length $adj1x]} { set adj1x $adj0x; set adj1y $adj0y }
310 movpos-bindkey-1 $cpage $key $seg $feat \
311 $adj0x.0 $adj0y.0 $adj1x.0 $adj1y.0
312 } elseif {[regexp {^[A-Z]$} $binding] || [regexp {~} $binding]} {
314 error "incomprehensible binding $binding on page $cpage"
319 #---------- speed ----------
322 # $train_commanded($train) $speed_step
323 # $train_direction($train) forwards|backwards or unset
324 # $speedws [list $w ...]
326 # speed/${w}(...) aka s(...):
327 # $s(ctrlr) controller
328 # $s(train) train selected, or something not \w+
329 # $s(optionmenu) optionmenu widget name
330 # $s(kind) abs or rel
331 # $s(commanding) step of command we have scmd'd, or unset
332 # $s(queued) step of command we would like to queue
334 # $s(inhibit) 0 all is well, can command any speed
335 # 1 train newly selected, only rel can command higher speed
336 # 2 can only command same or lower speed
338 # We don't worry too much about races: in particular, we don't mind
339 # racing with other things trying to command the speed, and losing
340 # the odd increment/decrement. But since we thread the requested
341 # speed via realtime, we do queue up our own increments/decrements
342 # while we're executing a speed command, to avoid loss of steps during
345 # Interfaces for concrete controllers:
346 # speedw-new $w $ctrlr
347 # speedw-setstate $w disabled|normal controller appears/disappears
348 # speedw-userinput-abs $w $step
349 # speedw-userinput-rel $w $stepmap
351 # eval {stepmap} [list $oldstep] => $newstep
355 proc speedws-forall {command args} {
357 foreach w $speedws { eval [list $command $w] $args }
360 proc speedws-fortrain {train command args} {
364 if {[string compare $s(train) $train]} continue
365 eval [list $command $w] $args
369 proc speedw-new {w ctrlr} {
377 frame $w -relief sunken -border 2
378 label $w.ctrlr -state disabled -text $s(ctrlr)
379 set s(optionmenu) [tk_optionMenu $w.train speed/${w}(train) {}]
380 $w.train configure -textvariable {} -width 15
381 label $w.speed -state disabled -width 4 \
382 -font -*-courier-bold-r-*-*-20-*-*-*-*-*-*-* \
383 -background black -foreground white
384 pack $w.ctrlr $w.train $w.speed -side left
386 speedw-notrains $w "(starting)"
388 proc speedw-notrains {w whystr} {
389 $w.train configure -state disabled
390 speedw-train-noneselected $w $whystr
392 proc speedw-train-noneselected {w whystr} {
395 $w.train configure -text $whystr
396 $w.speed configure -text -
400 proc speedw-inhibit {w} {
403 $w.speed configure -foreground red
405 proc speedw-uninhibit {w max} {
408 if {$r>$max} { return -1 }
410 $w.speed configure -foreground white
414 proc speedw-setstate {w disnorm} {
415 $w.ctrlr configure -state $disnorm
416 $w.speed configure -state $disnorm
419 proc speedw-train-selectnext {w} {
421 set max [$s(optionmenu) index end]
422 for {set ix 0} {$ix <= $max} {incr ix} {
423 set v [$s(optionmenu) entrycget $ix -value]
424 if {![string compare $v $s(train)]} break
426 set activate [expr {($ix+1) % ($max+1)}]
427 $s(optionmenu) invoke $activate
430 proc speedw-train-selected {w t} {
432 $w.train configure -text $t
435 $w.speed configure -foreground white
436 speedw-redisplay-speed $w
439 proc speedw-redisplay-speed {w} {
441 upvar #0 train_commanded($s(train)) gcommanded
442 upvar #0 train_direction($s(train)) gdirection
444 if {[info exists gdirection]} {
445 switch -exact $gdirection {
446 forwards { set t "$t>" }
447 backwards { set t "<$t" }
450 $w.speed configure -text $t
453 proc speedw-train-direction {w dirchange} {
455 if {![string length $s(train)]} return
456 scmd routinecmd $s(ctrlr) "direction $s(train) $dirchange"
459 proc speedw-trains-available {w l} {
461 if {![llength $l]} { speedw-train-noneselected $w "(no trains)"; return }
462 $s(optionmenu) delete 0 end
463 $s(optionmenu) add radiobutton -label "(none)" -value {} \
464 -command [list speedw-train-noneselected $w "(no train selected)"]
467 $s(optionmenu) add radiobutton -label $t -value $t \
468 -command [list speedw-train-selected $w $t]
470 $w.train configure -state normal
471 if {[llength $l]==1} {
472 $s(optionmenu) invoke 1
473 } elseif {[set ix [lsearch -exact $l $s(train)]] >= 0} {
474 $s(optionmenu) invoke [expr {$ix+1}]
475 } elseif {![string length $s(train)]} {
476 $s(optionmenu) invoke 0
478 $w.train configure -text "$s(train) (not present)"
482 proc speedw-userinput-abs {w speed} {
484 if {![string length $s(train)]} return
489 proc speedw-check {w} {
491 if {![string length $s(train)]} return
492 upvar #0 train_commanded($s(train)) gcommanded
493 upvar #0 train_direction($s(train)) gdirection
494 if {[info exists s(commanding)]} return
495 if {![info exists s(queued)]} return
496 set newspeed $s(queued)
499 if {$newspeed > $gcommanded} return
500 speedw-uninhibit $w 2
502 set s(commanding) $newspeed
503 scmd speedw-commanded $s(ctrlr) "speed $s(train) $newspeed $gdirection" $w
506 proc speedw-commanded-nak {m args} { error "got nak from speed: $m" }
507 proc speedw-commanded-ok {m w} {
512 proc speedw-commanded-err {m w} {
519 proc speedw-userinput-rel {w stepmap} {
521 if {![string length $s(train)]} return
522 upvar #0 train_commanded($s(train)) gcommanded
523 if {[info exists s(queued)]} {
524 set oldspeed $s(queued)
525 } elseif {[info exists s(commanding)]} {
526 set oldspeed $s(commanding)
528 set oldspeed $gcommanded
530 set newspeed [eval $stepmap [list $oldspeed]]
531 speedw-userinput-abs $w $newspeed
534 proc speedw-userinput-rel-steps {w delta steplist} {
536 if {[speedw-uninhibit $w 2]>1} { incr delta 1 }
539 speedw-uninhibit $w 1
541 speedw-userinput-rel $w [list speedw-stepmap-fromlist $steplist $delta]
544 proc speedws-train-problem {train} {
545 speedws-fortrain $train speedw-inhibit
548 register-event ?train_*_at {train direction} \
549 {^.train (\w+) at \S+ (forwards|backwards) } {
550 upvar #0 train_direction($train) dirn
552 speedws-fortrain $train speedw-redisplay-speed
555 register-event ?train_*_speed_commanding {train speed} \
556 {^.train (\w+) speed commanding (\d+) } {
557 upvar #0 train_commanded($train) cmd
559 speedws-fortrain $train speedw-redisplay-speed
562 proc speedws-stastate-hook {} {
563 global train_commanded stastate
564 switch -exact -- $stastate {
566 set trains [array names train_commanded]
567 speedws-forall speedw-trains-available $trains
573 speedws-forall speedw-notrains "($stastate)"
576 catch { unset train_commanded }
577 speedws-forall speedw-notrains "($stastate)"
582 register-event &train_*_signalling-problem {train problem} \
583 {^\&train (\w+) signalling-problem (.*) $} {
585 regsub {^(\S+) (\S+) \: } $problem {\1 @\2: } problem
586 report-problem "event: $problem"
587 speedws-train-problem $train
590 proc speedw-new-cooked {wunique desc} {
591 set w .inputs.$wunique
593 pack $w -side left -padx 10
597 proc speedw-stepmap-fromlist {speedlist offset oldspeed} {
598 if {![llength $speedlist]} {
600 upvar #0 default_speedstep_list speedlist
603 foreach entry $speedlist {
604 if {$entry==$oldspeed} { set ixbelow $ixabove; break }
605 if {$entry>$oldspeed} break
609 set ix [expr {($offset>0 ? $ixbelow : $ixabove) + $offset}]
610 if {$ix<0} { return 0 }
611 if {$ix>=[llength $speedlist]} { return [lindex $speedlist end] }
612 return [lindex $speedlist $ix]
615 #---------- concrete input bindings ----------
617 proc ib-suppressions {args} {
620 set l [concat $l --redaction $supp --suppress]
625 proc ib-speedw-new {devid wunique desc} {
626 upvar #0 input/$devid in
627 set in(speedw) [speedw-new-cooked $wunique $desc]
632 proc ib-ev/wheelmouse/EV_REL/REL_WHEEL {devid value} {
633 upvar #0 input/$devid in
634 speedw-userinput-rel-steps $in(speedw) [expr {-$value}] {}
637 proc ib-selectnext {devid value} {
638 if {$value!=1} return
639 upvar #0 input/$devid in
640 speedw-train-selectnext $in(speedw)
642 proc ib-changedirection {devid value} {
643 upvar #0 input/$devid in
645 speedw-train-direction $in(speedw) change
648 proc ib-ev/wheelmouse/EV_KEY/BTN_LEFT {devid value} {
649 ib-selectnext $devid $value
651 proc ib-ev/wheelmouse/EV_KEY/BTN_RIGHT {devid value} {
652 ib-changedirection $devid $value
655 proc ib-create/wheelmouse {devid wunique desc} {
656 ib-speedw-new $devid $wunique $desc
659 proc ib-wheelmouse-redactions {} {
660 return [ib-suppressions \
665 proc ib-evcmd/wheelmouse {devid target} {
666 return [ib-evcmd-construct $devid $target [concat \
667 [list --grab] [ib-wheelmouse-redactions]]]
670 #----- ebuyer wireless keyboard
672 proc ib-create/ebwikeb {devid wunique} {
673 upvar #0 input/$devid in
674 set in(desc) "main keyboard"
675 ib-create/wheelmouse $devid $wunique $in(desc)
679 proc ib-evcmd/ebwikeb {devid target} {
681 [list ./evdev-manip-ebwikeb --redact --stdin-monitor] \
682 [ib-wheelmouse-redactions] \
687 {0xffbc 88 0xffbc 00}]]
690 proc ib-ev/ebwikeb/EV_REL/REL_WHEEL {devid value} {
691 ib-ev/wheelmouse/EV_REL/REL_WHEEL $devid $value
694 proc ib-ebwikeb-modifier {devid value bitval} {
695 upvar #0 input/${devid}(modifiers) mod
697 set mod [expr {$mod | $bitval}]
699 set mod [expr {$mod & ~$bitval}]
702 proc ib-ev/ebwikeb/EV_KEY/KEY_LEFTSHIFT {devid value} {
703 ib-ebwikeb-modifier $devid $value 0x0001
705 proc ib-ev/ebwikeb/EV_KEY/KEY_RIGHTSHIFT {devid value} {
706 ib-ebwikeb-modifier $devid $value 0x0002
708 proc ib-ev/ebwikeb/EV_KEY/KEY_LEFTCTRL {devid value} {
709 ib-ebwikeb-modifier $devid $value 0x0100
711 proc ib-ev/ebwikeb/EV_KEY/KEY_RIGHTCTRL {devid value} {
712 ib-ebwikeb-modifier $devid $value 0x0200
714 proc ib-ev/ebwikeb/EV_KEY/KEY_CAPSLOCK {devid value} {
715 ib-ebwikeb-modifier $devid $value 0x0400
718 proc ib-ev/ebwikeb/0xffbc_88/0xffbc_0d {devid value} {
719 upvar #0 input/$devid in
721 if {$in(modifiers) & 0x00ff} {
722 ib-selectnext $devid $value
724 ib-changedirection $devid $value
728 proc ib-ev/ebwikeb/EV_KEY/KEY_BOOKMARKS {devid value} {
729 upvar #0 input/$devid in
731 if {!($in(modifiers) & 0xff00)} return
732 if {$in(modifiers) & 0x00ff} {
737 scmd routinecmd $in(desc) "!realtime $how"
740 #----- static keybindings speed `controller'
742 proc bind-keyboard-speed {kslow kfast kseltrain kreverse desc} {
743 set wunique [get-unique keyboardspeed]
744 set w [speedw-new-cooked $wunique $desc]
745 foreach delta {-1 +1} sf {slow fast} {
746 bind . <Key-[set k$sf]> [list speedw-userinput-rel-steps $w $delta {}]
748 bind . <Key-$kseltrain> [list speedw-train-selectnext $w]
749 bind . <Key-$kreverse> [list speedw-train-direction $w change]
750 speedw-setstate $w normal
753 #---------- input device evdev binding ----------
755 proc ib-evcmd-construct {devid target xargs} {
756 upvar #0 input/$devid in
757 if {[llength $target] > 1} {
758 debug "ib $devid - multiple devices, not supported"
761 manyset [lindex $target 0] ev sysfs
762 if {[regexp { } $ev]} { error "event device `$ev' contains space" }
764 [list ./evdev-manip --redact] $xargs \
765 [list --stdin-monitor \
766 --expect-sysfs /sys$sysfs/$ev/dev \
770 proc bind-input {bus vendor product version concrete args} {
771 global input_bindings
772 set devid $bus:$vendor:$product:$version
773 lappend input_bindings [list $devid $concrete $args]
776 proc bind-input-static {event sysfs concrete args} {
777 global input_bindings input_statics
778 set devid [get-unique static]
779 lappend input_statics [list $devid $event $sysfs]
780 lappend input_bindings [list $devid $concrete $args]
783 proc widgets-input-bindings {} {
784 global input_bindings
785 foreach binding $input_bindings {
786 manyset $binding devid concrete xa
787 set cid [get-unique $concrete]
788 upvar #0 input/$devid in
790 set in(concrete) $concrete
791 eval [list ib-create/$concrete $devid $cid] $xa
793 pack .inputs -side top -fill x
796 # input/$bus:$vendor:$product:$version becomes `in' via upvar
797 # $in(chan) channel open onto evdev-manip; unset if none
798 # $in(laststart) last start time, [clock seconds]
799 # at every event we set this the current time
800 # but we insist on adding at least 5s
801 # and if that would make it > current time +15s
803 # $in(speedw) optional, may be set by ib-create
805 proc scan-input-bindings {} {
806 global errorInfo errorCode unmatched_notified
807 global input_bindings inputretryadd inputretrymax scaninputinterval
810 set f [open /proc/bus/input/devices]
812 if {[string match {POSIX ENOENT *} $errorCode]} return
813 error $emsg $errorInfo $errorCode
818 if {[info exists v(devid)] &&
819 [info exists v(sysfs)] &&
820 [info exists v(event)]} {
821 lappend target($v(devid)) [list $v(event) $v(sysfs)]
830 {^I: Bus=(\w+) Vendor=(\w+) Product=(\w+) Version=(\w+)\s} \
831 $l dummy bus vendor product version]} {
832 set v(devid) $bus:$vendor:$product:$version
833 } elseif {[regexp {^S: Sysfs=(\S+)\s} $l dummy sysfs]} {
835 } elseif {[regexp {^H: Handlers=(?:.*\s)?(event\d+)\s} $l dummy ev]} {
842 foreach static $input_statics {
843 manyset $static devid event sysfs
844 lappend target($devid) [list $event $sysfs]
846 foreach devid [array names target] {
847 upvar #0 input/$devid in
848 if {![info exists in(concrete)]} {
849 if {![info exists unmatched_notified($devid)]} {
850 debug "ib $devid unmatched, ignored"
851 set unmatched_notified($devid) 1
855 if {[info exists in(chan)]} continue
856 set now [clock seconds]
857 set newlast [expr {$in(laststart) + $inputretryadd}]
858 if {$newlast > $now + $inputretrymax} continue
859 if {$newlast < $now} { set newlast $now }
860 set cmdl [ib-evcmd/$in(concrete) $devid $target($devid)]
861 if {![llength $cmdl]} {
865 lappend cmdl 2>@ stderr
866 set in(laststart) $newlast
867 catch-for-input-binding $devid {
868 debug "ib $devid running $cmdl"
869 set in(chan) [open |$cmdl r+]
870 fconfigure $in(chan) -blocking 0 -buffering line
871 fileevent $in(chan) readable [list catch-for-input-binding $devid \
872 [list readable input-binding $in(chan) $devid]]
875 foreach binding $input_bindings {
876 manyset $binding devid concrete ctrlr
877 upvar #0 input/$devid in
878 if {![info exists in(concrete)]} continue
879 if {[info exists target($devid)]} continue
880 input-binding-notpresent $devid absent
882 after $scaninputinterval scan-input-bindings
885 proc input-binding-notpresent {devid why} {
886 upvar #0 input/$devid in
887 if {[info exists in(speedw)]} {
888 speedw-setstate $in(speedw) disabled
890 if {![catch { info args ib-absent/$in(concret) }]} {
891 ib-absent/$in(concrete) $devid $why
895 proc input-binding-eof {chan devid} {
896 upvar #0 input/$devid in
897 fconfigure $in(chan) -blocking 1
899 error "evdev-manip exited" {} {CHILDSTATUS ? 0}
902 proc input-binding-inputline {chan l devid} {
904 upvar #0 input/$devid in
905 if {![catch { info args ib-inputline/$in(concrete) }]} {
906 # give the input binding first dibs
907 if {[ib-inputline/$in(concrete) $devid $l]} return
909 regsub {^[^ ]+ } $l {} lr
910 switch -glob -- $lr {
912 debug "ib $devid start << $l"
913 if {[info exists in(speedw)]} {
914 speedw-setstate $in(speedw) normal
918 manyset [split $lr] value kindl kindr codel coder
919 set proc ib-ev/$in(concrete)/${kindl}_${kindr}/${codel}_${coder}
920 if {[catch { info args $proc }]} {
922 debug "ib $devid unbound $proc << $l"
929 debug "ib $devid ignored << $l"
934 proc catch-for-input-binding {devid body} {
935 upvar #0 input/$devid in
936 global errorInfo errorCode
937 set r [catch { uplevel 1 $body } rv]
938 if {$r!=1} { return -code $r $rv }
939 switch -glob $errorCode {
940 {CHILDSTATUS *} { set m "exited with status [lindex $errorCode 2]" }
941 {CHILDKILLED *} { set m "killed by signal [lindex $errorCode 3]" }
942 {POSIX *} { set m "communication error: [lindex $errorCode 1]" }
943 * { error $rv $errorInfo $errorCode }
945 debug "ib $devid died $m"
946 catch { close $in(chan) }
947 catch { unset in(chan) }
949 input-binding-notpresent $devid "died $m"
952 proc engage-input-bindings {} {
956 #---------- plan background (gui-plan subprocess) ----------
958 proc gui-pipe-readable {args} {
960 while {[gets $gui_pipe l] >= 0} {
963 if {[eof $gui_pipe]} {
965 error "gui-plan crashed"
969 #---------- train set events of general interest, and setup ----------
971 proc train-event-eof {args} {
972 error "lost connection to train set"
975 register-event ?stastate {ctxch state} {^(.)stastate (\w+|\-) } {
976 global ctrain trains stastate
978 report-problem "stastate: $state"
979 if {[string compare $ctxch |]} speedws-stastate-hook
982 register-event ?resolution {message} \
983 {^.resolution (\S+ .*)$} {
984 if {[string match "problems *" $message]} return
985 report-problem "resolution: $message"
988 register-event ?warning {message} {^.warning (\S+ .*)$} {
989 report-problem "warning: $message"
992 register-event {} {} {^=connected } {
993 global pages gui_pipe server port event_selections
995 scmd replayed {} "select-replay [concat $event_selections]"
997 foreach page $pages {
999 tkwait visibility $w.picture
1001 set cmdl [list ./gui-plan-$page [winfo id $w.picture] @$server,$port]
1002 lappend cmdl 2>@ stderr
1003 set gui_pipe [open |$cmdl r]
1005 puts stderr "running $cmdl"
1006 fconfigure $gui_pipe -blocking no
1007 fileevent $gui_pipe readable gui-pipe-readable
1010 proc replayed-err {m args} { error "replay failed: $m" }
1011 proc replayed-ok {m args} {
1012 speedws-stastate-hook
1015 register-event {} {} {^=failed } { error "multiplexer failed: $l" }
1016 register-event {} {} {^=denied } { error "multiplexer denied us: $l" }
1017 register-event {} {} {^\+nack } { error "multiplexer does not understand" }
1019 #---------- main program ----------
1021 append event_dispatch_body {
1024 proc train-event-inputline {sconn l} $event_dispatch_body
1025 proc register-event {args} { error "too late!" }
1027 proc engage-server {} {
1028 global server port sconn
1030 set sconn [socket $server $port]
1031 fconfig-trainproto $sconn
1032 fileevent $sconn readable {readable train-event $sconn}
1036 global pages cpage configfile input_bindings input_statics
1037 setting server railway {[[0-9a-z:].*}
1038 setting geometry {} {[-+]\d+[-+]\d+}
1039 setting posdeviation 5 {\d+}
1040 setting movfeatcommand {movfeat+} {(?:!movfeat|movfeat\+?\+?)}
1041 setting problemdisplayms 1000 {\d+}
1042 setting inputretryadd 5 {\d+}
1043 setting inputretrymax 15 {\d+}
1044 setting scaninputinterval 500 {\d+}
1045 setting showunbound 0 {[01]}
1047 set hostname [lindex [split [info hostname] .] 0]
1048 setting configfile gui-$hostname.config {.+}
1052 if {![info exists input_bindings]} { set input_bindings {} }
1053 if {![info exists input_statics]} { set input_statics {} }
1055 uplevel #0 source gui-layout.config
1056 uplevel #0 source $configfile
1057 foreach cpage $pages {
1063 widgets-input-bindings
1064 widget-problem-report
1066 engage-input-bindings