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 $state posn]
173 proc movpos-button-sstate {mid} {
174 upvar #0 mp_state($mid) state
175 set state [uplevel 1 { list $posn } ]
178 proc widgets-movpos {} {
180 foreach mid [array names mp_details] {
181 upvar #0 mp_state($mid) state
183 movpos-button-gvars $mid
184 set w [pagew $cpage].movpos-$mid
185 button $w -text $key -padx 0 -pady 0 -borderwidth 0 \
186 -command [list movpos-invoked $mid "plan $cpage"]
187 movpos-button-setdisplay $mid
191 proc movpos-button-setdisplay {mid} {
192 # we want to display as much of these as possible:
193 # position known ? (actual position is done by button location)
195 # whether a train's plan includes a different position
197 movpos-button-gvars $mid
200 $w configure -background $bg -foreground $fg \
201 -activebackground $bg -activeforeground $fg
202 switch -exact $posn {
203 ? { manyset [lindex $poslocs 2] x y }
204 default { manyset [lindex $poslocs $posn] x y }
206 place $w -anchor center -x $x -y $y
209 proc movpos-invoked {mid ctrlr} {
210 global movfeatcommand
211 movpos-button-gvars $mid
212 switch -exact $posn {
214 default { set new_posn 0 }
216 scmd routinecmd $ctrlr "$movfeatcommand $seg $feat $new_posn"
219 register-event ?movpos_*_feat {seg feat posn_new} \
220 {^.movpos (\w+) feat (\w+) ([01]|\?) } {
222 if {![movpos-button-gvars $mid]} return
224 movpos-button-sstate $mid
225 movpos-button-setdisplay $mid
228 proc movpos-bindkey-1 {cpage key seg feat adj0x adj0y adj1x adj1y} {
229 global posdeviation picturepadx picturepady
230 manyset [subseg-end-get-centroid $cpage $seg $feat {}] mx my
233 manyset [subseg-end-get-centroid $cpage $seg $feat $posn] x y
234 set dx [expr {$x-$mx}]; set dy [expr {$y-$my}]
235 set d [expr {sqrt($dx*$dx + $dy*$dy)}]
236 set mul [expr {$posdeviation / ($d + 1e-6)}]
237 set x [expr {$mx + $mul*$dx + $picturepadx + [set adj${posn}x]}]
238 set y [expr {$my + $mul*$dy + $picturepady + [set adj${posn}y]}]
239 lappend poslocs [list $x $y]
241 lappend poslocs [list [expr {$mx + $picturepadx + ($adj0x+$adj1x)*0.5}] \
242 [expr {$my + $picturepady + ($adj0y+$adj1y)*0.5}]]
243 upvar #0 mp_details($mid) details
244 set details [list $cpage $key $seg $feat $poslocs]
246 bind . <Key-[string tolower $key]> [list movpos-invoked $mid "keyboard"]
249 #---------- computation of movpos button locations
251 proc layout-subseg-featmap {seg concfeatpos args} {
253 set subsegfeatmap($concfeatpos) $args
256 proc layout-subseg-end {seg feat posn x y} {
258 upvar #0 subsegfeatmap($feat$posn) mapped
259 if {[info exists mapped]} {
260 foreach {feat posn} $mapped {
261 layout-subseg-end $seg $feat $posn $x $y
265 upvar #0 ld_sse/${cpage}($seg/$feat$posn) sse
266 if {![info exists sse]} { set sse {{} {}} }
270 set sse [list $lx $ly]
271 if {[string length $posn]} { layout-subseg-end $seg $feat {} $x $y }
274 proc subseg-end-get-centroid {cpage seg feat posn} {
275 upvar #0 ld_sse/${cpage}($seg/$feat$posn) sse
276 if {![info exists sse]} {
277 puts "skipping binding of unknown $seg/$feat$posn"
281 set sx 0; set sy 0; set n [llength $lx]
282 foreach x $lx y $ly { addexpr sx {$x}; addexpr sy {$y} }
283 return [list [expr {$sx * 1.0 / $n}] [expr {$sy * 1.0 / $n}]]
286 proc layout-data {} {
288 upvar #0 ld_sse/$cpage sse
290 source ../layout/ours.dgram.segmap-info
291 source ../layout/ours.dgram-$cpage.overlay-info
293 upvar #0 movpos_bindings($cpage) bindings
294 if {![info exists bindings]} {
295 puts "no movpos bindings for $cpage"
298 foreach binding $bindings {
300 {^([A-Z])([-+]\d*)?([-+]\d*)?([-+]\d*)?([-+]\d*)?\=(\w+)/([A-Z]+)$} \
301 $binding dummy key adj0x adj0y adj1x adj1y seg feat]} {
302 if {![string length $adj1x]} { set adj1x $adj0x; set adj1y $adj0y }
303 movpos-bindkey-1 $cpage $key $seg $feat \
304 $adj0x.0 $adj0y.0 $adj1x.0 $adj1y.0
305 } elseif {[regexp {^[A-Z]$} $binding] || [regexp {~} $binding]} {
307 error "incomprehensible binding $binding on page $cpage"
312 #---------- speed ----------
315 # $train_commanded($train) $speed_step
316 # $train_direction($train) forwards|backwards or unset
317 # $speedws [list $w ...]
319 # speed/${w}(...) aka s(...):
320 # $s(ctrlr) controller
321 # $s(train) train selected, or something not \w+
322 # $s(optionmenu) optionmenu widget name
323 # $s(kind) abs or rel
324 # $s(commanding) step of command we have scmd'd, or unset
325 # $s(queued) step of command we would like to queue
327 # $s(inhibit) 0 all is well, can command any speed
328 # 1 train newly selected, only rel can command higher speed
329 # 2 can only command same or lower speed
331 # We don't worry too much about races: in particular, we don't mind
332 # racing with other things trying to command the speed, and losing
333 # the odd increment/decrement. But since we thread the requested
334 # speed via realtime, we do queue up our own increments/decrements
335 # while we're executing a speed command, to avoid loss of steps during
338 # Interfaces for concrete controllers:
339 # speedw-new $w $ctrlr
340 # speedw-setstate $w disabled|normal controller appears/disappears
341 # speedw-userinput-abs $w $step
342 # speedw-userinput-rel $w $stepmap
344 # eval {stepmap} [list $oldstep] => $newstep
348 proc speedws-forall {command args} {
350 foreach w $speedws { eval [list $command $w] $args }
353 proc speedws-fortrain {train command args} {
357 if {[string compare $s(train) $train]} continue
358 eval [list $command $w] $args
362 proc speedw-new {w ctrlr} {
370 frame $w -relief sunken -border 2
371 label $w.ctrlr -state disabled -text $s(ctrlr)
372 set s(optionmenu) [tk_optionMenu $w.train speed/${w}(train) {}]
373 $w.train configure -textvariable {} -width 15
374 label $w.speed -state disabled -width 4 \
375 -font -*-courier-bold-r-*-*-20-*-*-*-*-*-*-* \
376 -background black -foreground white
377 pack $w.ctrlr $w.train $w.speed -side left
379 speedw-notrains $w "(starting)"
381 proc speedw-notrains {w whystr} {
382 $w.train configure -state disabled
383 speedw-train-noneselected $w $whystr
385 proc speedw-train-noneselected {w whystr} {
388 $w.train configure -text $whystr
389 $w.speed configure -text -
393 proc speedw-inhibit {w} {
396 $w.speed configure -foreground red
398 proc speedw-uninhibit {w max} {
401 if {$r>$max} { return -1 }
403 $w.speed configure -foreground white
407 proc speedw-setstate {w disnorm} {
408 $w.ctrlr configure -state $disnorm
409 $w.speed configure -state $disnorm
412 proc speedw-train-selectnext {w} {
414 set max [$s(optionmenu) index end]
415 for {set ix 0} {$ix <= $max} {incr ix} {
416 set v [$s(optionmenu) entrycget $ix -value]
417 if {![string compare $v $s(train)]} break
419 set activate [expr {($ix+1) % ($max+1)}]
420 $s(optionmenu) invoke $activate
423 proc speedw-train-selected {w t} {
425 $w.train configure -text $t
428 $w.speed configure -foreground white
429 speedw-redisplay-speed $w
432 proc speedw-redisplay-speed {w} {
434 upvar #0 train_commanded($s(train)) gcommanded
435 upvar #0 train_direction($s(train)) gdirection
437 if {[info exists gdirection]} {
438 switch -exact $gdirection {
439 forwards { set t "$t>" }
440 backwards { set t "<$t" }
443 $w.speed configure -text $t
446 proc speedw-train-direction {w dirchange} {
448 if {![string length $s(train)]} return
449 scmd routinecmd $s(ctrlr) "direction $s(train) $dirchange"
452 proc speedw-trains-available {w l} {
454 if {![llength $l]} { speedw-train-noneselected $w "(no trains)"; return }
455 $s(optionmenu) delete 0 end
456 $s(optionmenu) add radiobutton -label "(none)" -value {} \
457 -command [list speedw-train-noneselected $w "(no train selected)"]
460 $s(optionmenu) add radiobutton -label $t -value $t \
461 -command [list speedw-train-selected $w $t]
463 $w.train configure -state normal
464 if {[llength $l]==1} {
465 $s(optionmenu) invoke 1
466 } elseif {[set ix [lsearch -exact $l $s(train)]] >= 0} {
467 $s(optionmenu) invoke [expr {$ix+1}]
468 } elseif {![string length $s(train)]} {
469 $s(optionmenu) invoke 0
471 $w.train configure -text "$s(train) (not present)"
475 proc speedw-userinput-abs {w speed} {
477 if {![string length $s(train)]} return
482 proc speedw-check {w} {
484 if {![string length $s(train)]} return
485 upvar #0 train_commanded($s(train)) gcommanded
486 upvar #0 train_direction($s(train)) gdirection
487 if {[info exists s(commanding)]} return
488 if {![info exists s(queued)]} return
489 set newspeed $s(queued)
492 if {$newspeed > $gcommanded} return
493 speedw-uninhibit $w 2
495 set s(commanding) $newspeed
496 scmd speedw-commanded $s(ctrlr) "speed $s(train) $newspeed $gdirection" $w
499 proc speedw-commanded-nak {m args} { error "got nak from speed: $m" }
500 proc speedw-commanded-ok {m w} {
505 proc speedw-commanded-err {m w} {
512 proc speedw-userinput-rel {w stepmap} {
514 if {![string length $s(train)]} return
515 upvar #0 train_commanded($s(train)) gcommanded
516 if {[info exists s(queued)]} {
517 set oldspeed $s(queued)
518 } elseif {[info exists s(commanding)]} {
519 set oldspeed $s(commanding)
521 set oldspeed $gcommanded
523 set newspeed [eval $stepmap [list $oldspeed]]
524 speedw-userinput-abs $w $newspeed
527 proc speedw-userinput-rel-steps {w delta steplist} {
529 if {[speedw-uninhibit $w 2]>1} { incr delta 1 }
532 speedw-uninhibit $w 1
534 speedw-userinput-rel $w [list speedw-stepmap-fromlist $steplist $delta]
537 proc speedws-train-problem {train} {
538 speedws-fortrain $train speedw-inhibit
541 register-event ?train_*_at {train direction} \
542 {^.train (\w+) at \S+ (forwards|backwards) } {
543 upvar #0 train_direction($train) dirn
545 speedws-fortrain $train speedw-redisplay-speed
548 register-event ?train_*_speed_commanding {train speed} \
549 {^.train (\w+) speed commanding (\d+) } {
550 upvar #0 train_commanded($train) cmd
552 speedws-fortrain $train speedw-redisplay-speed
555 proc speedws-stastate-hook {} {
556 global train_commanded stastate
557 switch -exact -- $stastate {
559 set trains [array names train_commanded]
560 speedws-forall speedw-trains-available $trains
563 speedws-forall speedw-notrains "($stastate)"
566 catch { unset train_commanded }
567 speedws-forall speedw-notrains "($stastate)"
572 register-event &train_*_signalling-problem {train problem} \
573 {^\&train (\w+) signalling-problem (.*) $} {
575 regsub {^(\S+) (\S+) \: } $problem {\1 @\2: } problem
576 report-problem "event: $problem"
577 speedws-train-problem $train
580 proc speedw-new-cooked {wunique desc} {
581 set w .inputs.$wunique
583 pack $w -side left -padx 10
587 proc speedw-stepmap-fromlist {speedlist offset oldspeed} {
588 if {![llength $speedlist]} {
590 upvar #0 default_speedstep_list speedlist
593 foreach entry $speedlist {
594 if {$entry==$oldspeed} { set ixbelow $ixabove; break }
595 if {$entry>$oldspeed} break
599 set ix [expr {($offset>0 ? $ixbelow : $ixabove) + $offset}]
600 if {$ix<0} { return 0 }
601 if {$ix>=[llength $speedlist]} { return [lindex $speedlist end] }
602 return [lindex $speedlist $ix]
605 #---------- concrete input bindings ----------
607 proc ib-suppressions {args} {
610 set l [concat $l --redaction $supp --suppress]
615 proc ib-speedw-new {devid wunique desc} {
616 upvar #0 input/$devid in
617 set in(speedw) [speedw-new-cooked $wunique $desc]
622 proc ib-ev/wheelmouse/EV_REL/REL_WHEEL {devid value} {
623 upvar #0 input/$devid in
624 speedw-userinput-rel-steps $in(speedw) [expr {-$value}] {}
627 proc ib-selectnext {devid value} {
628 if {$value!=1} return
629 upvar #0 input/$devid in
630 speedw-train-selectnext $in(speedw)
632 proc ib-changedirection {devid value} {
633 upvar #0 input/$devid in
635 speedw-train-direction $in(speedw) change
638 proc ib-ev/wheelmouse/EV_KEY/BTN_LEFT {devid value} {
639 ib-selectnext $devid $value
641 proc ib-ev/wheelmouse/EV_KEY/BTN_RIGHT {devid value} {
642 ib-changedirection $devid $value
645 proc ib-create/wheelmouse {devid wunique desc} {
646 ib-speedw-new $devid $wunique $desc
649 proc ib-wheelmouse-redactions {} {
650 return [ib-suppressions \
655 proc ib-evcmd/wheelmouse {devid target} {
656 return [ib-evcmd-construct $devid $target [concat \
657 [list --grab] [ib-wheelmouse-redactions]]]
660 #----- ebuyer wireless keyboard
662 proc ib-create/ebwikeb {devid wunique} {
663 upvar #0 input/$devid in
664 set in(desc) "main keyboard"
665 ib-create/wheelmouse $devid $wunique $in(desc)
669 proc ib-evcmd/ebwikeb {devid target} {
671 [list ./evdev-manip-ebwikeb --redact --stdin-monitor] \
672 [ib-wheelmouse-redactions] \
677 {0xffbc 88 0xffbc 00}]]
680 proc ib-ev/ebwikeb/EV_REL/REL_WHEEL {devid value} {
681 ib-ev/wheelmouse/EV_REL/REL_WHEEL $devid $value
684 proc ib-ebwikeb-modifier {devid value bitval} {
685 upvar #0 input/${devid}(modifiers) mod
687 set mod [expr {$mod | $bitval}]
689 set mod [expr {$mod & ~$bitval}]
692 proc ib-ev/ebwikeb/EV_KEY/KEY_LEFTSHIFT {devid value} {
693 ib-ebwikeb-modifier $devid $value 0x0001
695 proc ib-ev/ebwikeb/EV_KEY/KEY_RIGHTSHIFT {devid value} {
696 ib-ebwikeb-modifier $devid $value 0x0002
698 proc ib-ev/ebwikeb/EV_KEY/KEY_LEFTCTRL {devid value} {
699 ib-ebwikeb-modifier $devid $value 0x0100
701 proc ib-ev/ebwikeb/EV_KEY/KEY_RIGHTCTRL {devid value} {
702 ib-ebwikeb-modifier $devid $value 0x0200
704 proc ib-ev/ebwikeb/EV_KEY/KEY_CAPSLOCK {devid value} {
705 ib-ebwikeb-modifier $devid $value 0x0400
708 proc ib-ev/ebwikeb/0xffbc_88/0xffbc_0d {devid value} {
709 upvar #0 input/$devid in
711 if {$in(modifiers) & 0x00ff} {
712 ib-selectnext $devid $value
714 ib-changedirection $devid $value
718 proc ib-ev/ebwikeb/EV_KEY/KEY_BOOKMARKS {devid value} {
719 upvar #0 input/$devid in
721 if {!($in(modifiers) & 0xff00)} return
722 if {$in(modifiers) & 0x00ff} {
727 scmd routinecmd $in(desc) "!realtime $how"
730 #----- static keybindings speed `controller'
732 proc bind-keyboard-speed {kslow kfast kseltrain kreverse desc} {
733 set wunique [get-unique keyboardspeed]
734 set w [speedw-new-cooked $wunique $desc]
735 foreach delta {-1 +1} sf {slow fast} {
736 bind . <Key-[set k$sf]> [list speedw-userinput-rel-steps $w $delta {}]
738 bind . <Key-$kseltrain> [list speedw-train-selectnext $w]
739 bind . <Key-$kreverse> [list speedw-train-direction $w change]
740 speedw-setstate $w normal
743 #---------- input device evdev binding ----------
745 proc ib-evcmd-construct {devid target xargs} {
746 upvar #0 input/$devid in
747 if {[llength $target] > 1} {
748 debug "ib $devid - multiple devices, not supported"
751 manyset [lindex $target 0] ev sysfs
752 if {[regexp { } $ev]} { error "event device `$ev' contains space" }
754 [list ./evdev-manip --redact] $xargs \
755 [list --stdin-monitor \
756 --expect-sysfs /sys$sysfs/$ev/dev \
760 proc bind-input {bus vendor product version concrete args} {
761 global input_bindings
762 set devid $bus:$vendor:$product:$version
763 lappend input_bindings [list $devid $concrete $args]
766 proc bind-input-static {event sysfs concrete args} {
767 global input_bindings input_statics
768 set devid [get-unique static]
769 lappend input_statics [list $devid $event $sysfs]
770 lappend input_bindings [list $devid $concrete $args]
773 proc widgets-input-bindings {} {
774 global input_bindings
775 foreach binding $input_bindings {
776 manyset $binding devid concrete xa
777 set cid [get-unique $concrete]
778 upvar #0 input/$devid in
780 set in(concrete) $concrete
781 eval [list ib-create/$concrete $devid $cid] $xa
783 pack .inputs -side top -fill x
786 # input/$bus:$vendor:$product:$version becomes `in' via upvar
787 # $in(chan) channel open onto evdev-manip; unset if none
788 # $in(laststart) last start time, [clock seconds]
789 # at every event we set this the current time
790 # but we insist on adding at least 5s
791 # and if that would make it > current time +15s
793 # $in(speedw) optional, may be set by ib-create
795 proc scan-input-bindings {} {
796 global errorInfo errorCode unmatched_notified
797 global input_bindings inputretryadd inputretrymax scaninputinterval
800 set f [open /proc/bus/input/devices]
802 if {[string match {POSIX ENOENT *} $errorCode]} return
803 error $emsg $errorInfo $errorCode
808 if {[info exists v(devid)] &&
809 [info exists v(sysfs)] &&
810 [info exists v(event)]} {
811 lappend target($v(devid)) [list $v(event) $v(sysfs)]
820 {^I: Bus=(\w+) Vendor=(\w+) Product=(\w+) Version=(\w+)\s} \
821 $l dummy bus vendor product version]} {
822 set v(devid) $bus:$vendor:$product:$version
823 } elseif {[regexp {^S: Sysfs=(\S+)\s} $l dummy sysfs]} {
825 } elseif {[regexp {^H: Handlers=(?:.*\s)?(event\d+)\s} $l dummy ev]} {
832 foreach static $input_statics {
833 manyset $static devid event sysfs
834 lappend target($devid) [list $event $sysfs]
836 foreach devid [array names target] {
837 upvar #0 input/$devid in
838 if {![info exists in(concrete)]} {
839 if {![info exists unmatched_notified($devid)]} {
840 debug "ib $devid unmatched, ignored"
841 set unmatched_notified($devid) 1
845 if {[info exists in(chan)]} continue
846 set now [clock seconds]
847 set newlast [expr {$in(laststart) + $inputretryadd}]
848 if {$newlast > $now + $inputretrymax} continue
849 if {$newlast < $now} { set newlast $now }
850 set cmdl [ib-evcmd/$in(concrete) $devid $target($devid)]
851 if {![llength $cmdl]} {
855 lappend cmdl 2>@ stderr
856 set in(laststart) $newlast
857 catch-for-input-binding $devid {
858 debug "ib $devid running $cmdl"
859 set in(chan) [open |$cmdl r+]
860 fconfigure $in(chan) -blocking 0 -buffering line
861 fileevent $in(chan) readable [list catch-for-input-binding $devid \
862 [list readable input-binding $in(chan) $devid]]
865 foreach binding $input_bindings {
866 manyset $binding devid concrete ctrlr
867 upvar #0 input/$devid in
868 if {![info exists in(concrete)]} continue
869 if {[info exists target($devid)]} continue
870 input-binding-notpresent $devid absent
872 after $scaninputinterval scan-input-bindings
875 proc input-binding-notpresent {devid why} {
876 upvar #0 input/$devid in
877 if {[info exists in(speedw)]} {
878 speedw-setstate $in(speedw) disabled
880 if {![catch { info args ib-absent/$in(concret) }]} {
881 ib-absent/$in(concrete) $devid $why
885 proc input-binding-eof {chan devid} {
886 upvar #0 input/$devid in
887 fconfigure $in(chan) -blocking 1
889 error "evdev-manip exited" {} {CHILDSTATUS ? 0}
892 proc input-binding-inputline {chan l devid} {
894 upvar #0 input/$devid in
895 if {![catch { info args ib-inputline/$in(concrete) }]} {
896 # give the input binding first dibs
897 if {[ib-inputline/$in(concrete) $devid $l]} return
899 regsub {^[^ ]+ } $l {} lr
900 switch -glob -- $lr {
902 debug "ib $devid start << $l"
903 if {[info exists in(speedw)]} {
904 speedw-setstate $in(speedw) normal
908 manyset [split $lr] value kindl kindr codel coder
909 set proc ib-ev/$in(concrete)/${kindl}_${kindr}/${codel}_${coder}
910 if {[catch { info args $proc }]} {
912 debug "ib $devid unbound $proc << $l"
919 debug "ib $devid ignored << $l"
924 proc catch-for-input-binding {devid body} {
925 upvar #0 input/$devid in
926 global errorInfo errorCode
927 set r [catch { uplevel 1 $body } rv]
928 if {$r!=1} { return -code $r $rv }
929 switch -glob $errorCode {
930 {CHILDSTATUS *} { set m "exited with status [lindex $errorCode 2]" }
931 {CHILDKILLED *} { set m "killed by signal [lindex $errorCode 3]" }
932 {POSIX *} { set m "communication error: [lindex $errorCode 1]" }
933 * { error $rv $errorInfo $errorCode }
935 debug "ib $devid died $m"
936 catch { close $in(chan) }
937 catch { unset in(chan) }
939 input-binding-notpresent $devid "died $m"
942 proc engage-input-bindings {} {
946 #---------- plan background (gui-plan subprocess) ----------
948 proc gui-pipe-readable {args} {
950 while {[gets $gui_pipe l] >= 0} {
953 if {[eof $gui_pipe]} {
955 error "gui-plan crashed"
959 #---------- train set events of general interest, and setup ----------
961 proc train-event-eof {args} {
962 error "lost connection to train set"
965 register-event ?stastate {ctxch state} {^(.)stastate (\w+|\-) } {
966 global ctrain trains stastate
968 report-problem "stastate: $state"
969 if {[string compare $ctxch |]} speedws-stastate-hook
972 register-event ?resolution {message} \
973 {^.resolution (\S+ .*)$} {
974 if {[string match "problems *" $message]} return
975 report-problem "resolution: $message"
978 register-event ?warning {message} {^.warning (\S+ .*)$} {
979 report-problem "warning: $message"
982 register-event {} {} {^=connected } {
983 global pages gui_pipe server port event_selections
985 scmd replayed {} "select-replay [concat $event_selections]"
987 foreach page $pages {
989 tkwait visibility $w.picture
991 set cmdl [list ./gui-plan-$page [winfo id $w.picture] @$server,$port]
992 lappend cmdl 2>@ stderr
993 set gui_pipe [open |$cmdl r]
995 puts stderr "running $cmdl"
996 fconfigure $gui_pipe -blocking no
997 fileevent $gui_pipe readable gui-pipe-readable
1000 proc replayed-err {m args} { error "replay failed: $m" }
1001 proc replayed-ok {m args} {
1002 speedws-stastate-hook
1005 register-event {} {} {^=failed } { error "multiplexer failed: $l" }
1006 register-event {} {} {^=denied } { error "multiplexer denied us: $l" }
1007 register-event {} {} {^\+nack } { error "multiplexer does not understand" }
1009 #---------- main program ----------
1011 append event_dispatch_body {
1014 proc train-event-inputline {sconn l} $event_dispatch_body
1015 proc register-event {args} { error "too late!" }
1017 proc engage-server {} {
1018 global server port sconn
1020 set sconn [socket $server $port]
1021 fconfig-trainproto $sconn
1022 fileevent $sconn readable {readable train-event $sconn}
1026 global pages cpage configfile input_bindings input_statics
1027 setting server railway {[[0-9a-z:].*}
1028 setting geometry {} {[-+]\d+[-+]\d+}
1029 setting posdeviation 5 {\d+}
1030 setting movfeatcommand {movfeat+} {(?:!movfeat|movfeat\+?\+?)}
1031 setting problemdisplayms 1000 {\d+}
1032 setting inputretryadd 5 {\d+}
1033 setting inputretrymax 15 {\d+}
1034 setting scaninputinterval 500 {\d+}
1035 setting showunbound 0 {[01]}
1037 set hostname [lindex [split [info hostname] .] 0]
1038 setting configfile gui-$hostname.config {.+}
1042 if {![info exists input_bindings]} { set input_bindings {} }
1043 if {![info exists input_statics]} { set input_statics {} }
1045 uplevel #0 source gui-layout.config
1046 uplevel #0 source $configfile
1047 foreach cpage $pages {
1053 widgets-input-bindings
1054 widget-problem-report
1056 engage-input-bindings