3 load chiark_tcl_hbytes-1.so
5 #---------- general utilities ----------
9 tk_setPalette background black foreground white
13 set default_speedstep_list {0 1 10 20 35 50 65 80 95 110 126}
18 proc pagew {page} { return ".picture-$page" }
19 proc debug {m} { puts $m }
27 proc widgets-dgram {} {
28 global cpage geometry picturepadx picturepady
29 if {[string length $geometry]} { wm geometry . $geometry }
30 set sizes [exec ./gui-plan-$cpage --sizes]
33 frame $w.picture -background {} \
34 -width [lindex $sizes 0] \
35 -height [lindex $sizes 1]
36 pack $w.picture -padx $picturepadx -pady $picturepady
40 proc widgets-fullscreen-nowm {} {
41 pack propagate . false
42 foreach wh {width height} {
43 . configure -$wh [winfo screen$wh .]
48 global errorCode errorInfo
50 puts stderr "UNEXPECTED BACKGROUND ERROR\n"
51 puts stderr "$errorCode\n$errorInfo\n$emsg"
56 #---------- train set event registraton ----------
58 set event_dispatch_body {
61 set event_selections {}
63 proc register-event {selections args re body} {
64 global event_dispatch_body event_selections
66 eval lappend event_selections $selections
68 foreach selection $selections {
69 if {[regexp {^\w} $selection]} {
70 error "selection $selection lacks context char"
73 if {[regexp {^\^\w} $re]} {
74 error "re $re never matches context char"
77 regsub -all {\W+} $re - proc
78 set proc "event/$proc/[join $args -]"
81 while {![catch { info args $proc$suffix }]} { set suffix [incr number] }
84 proc $proc [concat l $args] $body
86 foreach a $args { append al " \$$a" }
88 append event_dispatch_body \
89 " if {\[regexp [list $re] \$l dummy $args]} {\n" \
90 " debug \"$proc$al\"\n" \
91 " eval [list $proc] \[list \$l$al]\n" \
96 #---------- handling of commands we issue ----------
98 proc scmd {onresult ctrlr commandstr args} {
100 # eval [list $onresult-ok|nak|error $ackornakmessage] $args
101 global commands_queued
103 lappend commands_queued [list $ctrlr $onresult $args]
106 proc scmd_result {oknakerr message reporterrmsg} {
107 global commands_queued
108 manyset [lindex $commands_queued 0] ctrlr onresult args
109 set commands_queued [lrange $commands_queued 1 end]
110 if {[string length $reporterrmsg]} {
111 report-problem "$ctrlr: $reporterrmsg"
113 set proc "$onresult-$oknakerr"
114 if {![string compare $oknakerr nak] && [catch { info args $proc }]} {
115 set proc "$onresult-err"
117 eval [list $proc $message] $args
120 register-event {} {} {^\+ack \S+ ok } { scmd_result ok $l "" }
121 register-event {} {train segment error} \
122 {^\+ack \S+ SignallingPredictedProblem (\S+) (\S+) \: (.*) $} {
124 if {[string compare - $segment]} { append m " @$segment" }
126 scmd_result err $l $m
128 register-event {} {} {^\+ack } { scmd_result err $l $l }
129 register-event {} {} {^\+nack \S+ } { scmd_result nak $l $l }
131 proc routinecmd-nak {m args} { error "got nak to routine command: $m" }
132 proc routinecmd-err {m args} { }
133 proc routinecmd-ok {m args} { }
135 proc mustsucceed-err {m args} { error "unexpected error: $m" }
136 proc mustsucceed-ok {m args} { }
138 proc report-problem-report-stderr {m} { puts stderr "*** $m" }
139 set report_problem_report report-problem-report-stderr
141 proc report-problem {message} {
142 global report_problem_report
143 eval $report_problem_report [list $message]
146 proc widget-problem-report {} {
147 global problem_reports report_problem_report
148 set problem_reports "\n\n\n\n\n"
149 label .problem-report -anchor w -justify left -takefocus 0 \
150 -border 2 -relief sunken -width 80 -textvariable problem_reports
151 pack .problem-report -side top
152 set report_problem_report report-problem-report-widget
155 proc report-problem-report-widget {m} {
156 global problem_reports
157 set problem_reports [join [concat \
158 [lrange [split $problem_reports "\n"] 1 end] \
163 #---------- movpos (overlay buttons, keybindings, execution) ----------
165 proc movpos-button-gvars {mid} {
166 upvar #0 mp_details($mid) details
167 if {![info exists details]} { return 0 }
168 uplevel 1 [list manyset $details cpage key seg feat poslocs]
169 uplevel 1 { set w [pagew $cpage].movpos-$mid }
170 upvar #0 mp_state($mid) state
171 uplevel 1 [list manyset $state posn]
175 proc movpos-button-sstate {mid posn} {
176 upvar #0 mp_state($mid) state
178 movpos-button-setdisplay $mid
181 proc movpos-all-unknown {} {
183 foreach mid [array names mp_details] {
184 movpos-button-sstate $mid ?
188 proc widgets-movpos {} {
190 foreach mid [array names mp_details] {
191 upvar #0 mp_state($mid) state
193 movpos-button-gvars $mid
194 set w [pagew $cpage].movpos-$mid
195 button $w -text $key -padx 0 -pady 0 -borderwidth 0 \
196 -command [list movpos-invoked $mid "plan $cpage"]
197 movpos-button-setdisplay $mid
201 proc movpos-button-setdisplay {mid} {
202 # we want to display as much of these as possible:
203 # position known ? (actual position is done by button location)
205 # whether a train's plan includes a different position
207 movpos-button-gvars $mid
208 switch -exact $posn {
209 ? { set poslocn 2; set fg black; set bg white }
210 default { set poslocn $posn; set fg white; set bg black }
212 $w configure -background $bg -foreground $fg \
213 -activebackground $bg -activeforeground $fg
214 manyset [lindex $poslocs $poslocn] x y
215 place $w -anchor center -x $x -y $y
218 proc movpos-invoked {mid ctrlr} {
219 global movfeatcommand
220 movpos-button-gvars $mid
221 switch -exact $posn {
223 default { set new_posn 0 }
225 scmd routinecmd $ctrlr "$movfeatcommand $seg $feat $new_posn"
228 register-event ?movpos_*_feat {seg feat posn_new} \
229 {^.movpos (\w+) feat (\w+) ([01]|\?) } {
231 if {![movpos-button-gvars $mid]} return
233 movpos-button-sstate $mid $posn
236 proc movpos-bindkey-1 {cpage key seg feat adj0x adj0y adj1x adj1y} {
237 global posdeviation picturepadx picturepady
238 manyset [subseg-end-get-centroid $cpage $seg $feat {}] mx my
241 manyset [subseg-end-get-centroid $cpage $seg $feat $posn] x y
242 set dx [expr {$x-$mx}]; set dy [expr {$y-$my}]
243 set d [expr {sqrt($dx*$dx + $dy*$dy)}]
244 set mul [expr {$posdeviation / ($d + 1e-6)}]
245 set x [expr {$mx + $mul*$dx + $picturepadx + [set adj${posn}x]}]
246 set y [expr {$my + $mul*$dy + $picturepady + [set adj${posn}y]}]
247 lappend poslocs [list $x $y]
249 lappend poslocs [list [expr {$mx + $picturepadx + ($adj0x+$adj1x)*0.5}] \
250 [expr {$my + $picturepady + ($adj0y+$adj1y)*0.5}]]
251 upvar #0 mp_details($mid) details
252 set details [list $cpage $key $seg $feat $poslocs]
254 bind . <Key-[string tolower $key]> [list movpos-invoked $mid "keyboard"]
257 #---------- computation of movpos button locations
259 proc layout-subseg-featmap {seg concfeatpos args} {
261 set subsegfeatmap($concfeatpos) $args
264 proc layout-subseg-end {seg feat posn x y} {
266 upvar #0 subsegfeatmap($feat$posn) mapped
267 if {[info exists mapped]} {
268 foreach {feat posn} $mapped {
269 layout-subseg-end $seg $feat $posn $x $y
273 upvar #0 ld_sse/${cpage}($seg/$feat$posn) sse
274 if {![info exists sse]} { set sse {{} {}} }
278 set sse [list $lx $ly]
279 if {[string length $posn]} { layout-subseg-end $seg $feat {} $x $y }
282 proc subseg-end-get-centroid {cpage seg feat posn} {
283 upvar #0 ld_sse/${cpage}($seg/$feat$posn) sse
284 if {![info exists sse]} {
285 puts "skipping binding of unknown $seg/$feat$posn"
289 set sx 0; set sy 0; set n [llength $lx]
290 foreach x $lx y $ly { addexpr sx {$x}; addexpr sy {$y} }
291 return [list [expr {$sx * 1.0 / $n}] [expr {$sy * 1.0 / $n}]]
294 proc layout-data {} {
296 upvar #0 ld_sse/$cpage sse
298 source ../layout/ours.dgram.segmap-info
299 source ../layout/ours.dgram-$cpage.overlay-info
301 upvar #0 movpos_bindings($cpage) bindings
302 if {![info exists bindings]} {
303 puts "no movpos bindings for $cpage"
306 foreach binding $bindings {
308 {^([A-Z])([-+]\d*)?([-+]\d*)?([-+]\d*)?([-+]\d*)?\=(\w+)/([A-Z]+)$} \
309 $binding dummy key adj0x adj0y adj1x adj1y seg feat]} {
310 if {![string length $adj1x]} { set adj1x $adj0x; set adj1y $adj0y }
311 movpos-bindkey-1 $cpage $key $seg $feat \
312 $adj0x.0 $adj0y.0 $adj1x.0 $adj1y.0
313 } elseif {[regexp {^[A-Z]$} $binding] || [regexp {~} $binding]} {
315 error "incomprehensible binding $binding on page $cpage"
320 #---------- speed ----------
323 # $train_commanded($train) $speed_step
324 # $train_direction($train) forwards|backwards or unset
325 # $speedws [list $w ...]
327 # speed/${w}(...) aka s(...):
328 # $s(ctrlr) controller
329 # $s(train) train selected, or something not \w+
330 # $s(optionmenu) optionmenu widget name
331 # $s(kind) abs or rel
332 # $s(commanding) step of command we have scmd'd, or unset
333 # $s(queued) step of command we would like to queue
335 # $s(inhibit) 0 all is well, can command any speed
336 # 1 train newly selected, only rel can command higher speed
337 # 2 can only command same or lower speed
339 # We don't worry too much about races: in particular, we don't mind
340 # racing with other things trying to command the speed, and losing
341 # the odd increment/decrement. But since we thread the requested
342 # speed via realtime, we do queue up our own increments/decrements
343 # while we're executing a speed command, to avoid loss of steps during
346 # Interfaces for concrete controllers:
347 # speedw-new $w $ctrlr
348 # speedw-setstate $w disabled|normal controller appears/disappears
349 # speedw-userinput-abs $w $step
350 # speedw-userinput-rel $w $stepmap
352 # eval {stepmap} [list $oldstep] => $newstep
356 proc speedws-forall {command args} {
358 foreach w $speedws { eval [list $command $w] $args }
361 proc speedws-fortrain {train command args} {
365 if {[string compare $s(train) $train]} continue
366 eval [list $command $w] $args
370 proc speedw-new {w ctrlr} {
378 frame $w -relief sunken -border 2
379 label $w.ctrlr -state disabled -text $s(ctrlr)
380 set s(optionmenu) [tk_optionMenu $w.train speed/${w}(train) {}]
381 $w.train configure -textvariable {} -width 15
382 label $w.speed -state disabled -width 4 \
383 -font -*-courier-bold-r-*-*-20-*-*-*-*-*-*-* \
384 -background black -foreground white
385 pack $w.ctrlr $w.train $w.speed -side left
387 speedw-notrains $w "(starting)"
389 proc speedw-notrains {w whystr} {
390 $w.train configure -state disabled
391 speedw-train-noneselected $w $whystr
393 proc speedw-train-noneselected {w whystr} {
396 $w.train configure -text $whystr
397 $w.speed configure -text -
401 proc speedw-inhibit {w} {
404 $w.speed configure -foreground red
406 proc speedw-uninhibit {w max} {
409 if {$r>$max} { return -1 }
411 $w.speed configure -foreground white
415 proc speedw-setstate {w disnorm} {
416 $w.ctrlr configure -state $disnorm
417 $w.speed configure -state $disnorm
420 proc speedw-train-selectnext {w} {
422 set max [$s(optionmenu) index end]
423 for {set ix 0} {$ix <= $max} {incr ix} {
424 set v [$s(optionmenu) entrycget $ix -value]
425 if {![string compare $v $s(train)]} break
427 set activate [expr {($ix+1) % ($max+1)}]
428 $s(optionmenu) invoke $activate
431 proc speedw-train-selected {w t} {
433 $w.train configure -text $t
436 $w.speed configure -foreground white
437 speedw-redisplay-speed $w
440 proc speedw-redisplay-speed {w} {
442 upvar #0 train_commanded($s(train)) gcommanded
443 upvar #0 train_direction($s(train)) gdirection
445 if {[info exists gdirection]} {
446 switch -exact $gdirection {
447 forwards { set t "$t>" }
448 backwards { set t "<$t" }
451 $w.speed configure -text $t
454 proc speedw-train-direction {w dirchange} {
456 if {![string length $s(train)]} return
457 scmd routinecmd $s(ctrlr) "direction $s(train) $dirchange"
460 proc speedw-trains-available {w l} {
462 if {![llength $l]} { speedw-train-noneselected $w "(no trains)"; return }
463 $s(optionmenu) delete 0 end
464 $s(optionmenu) add radiobutton -label "(none)" -value {} \
465 -command [list speedw-train-noneselected $w "(no train selected)"]
468 $s(optionmenu) add radiobutton -label $t -value $t \
469 -command [list speedw-train-selected $w $t]
471 $w.train configure -state normal
472 if {[llength $l]==1} {
473 $s(optionmenu) invoke 1
474 } elseif {[set ix [lsearch -exact $l $s(train)]] >= 0} {
475 $s(optionmenu) invoke [expr {$ix+1}]
476 } elseif {![string length $s(train)]} {
477 $s(optionmenu) invoke 0
479 $w.train configure -text "$s(train) (not present)"
483 proc speedw-userinput-abs {w speed} {
485 if {![string length $s(train)]} return
490 proc speedw-check {w} {
492 if {![string length $s(train)]} return
493 upvar #0 train_commanded($s(train)) gcommanded
494 upvar #0 train_direction($s(train)) gdirection
495 if {[info exists s(commanding)]} return
496 if {![info exists s(queued)]} return
497 set newspeed $s(queued)
500 if {$newspeed > $gcommanded} return
501 speedw-uninhibit $w 2
503 set s(commanding) $newspeed
504 scmd speedw-commanded $s(ctrlr) "speed $s(train) $newspeed $gdirection" $w
507 proc speedw-commanded-nak {m args} { error "got nak from speed: $m" }
508 proc speedw-commanded-ok {m w} {
513 proc speedw-commanded-err {m w} {
520 proc speedw-userinput-rel {w stepmap} {
522 if {![string length $s(train)]} return
523 upvar #0 train_commanded($s(train)) gcommanded
524 if {[info exists s(queued)]} {
525 set oldspeed $s(queued)
526 } elseif {[info exists s(commanding)]} {
527 set oldspeed $s(commanding)
529 set oldspeed $gcommanded
531 set newspeed [eval $stepmap [list $oldspeed]]
532 speedw-userinput-abs $w $newspeed
535 proc speedw-userinput-rel-steps {w delta steplist} {
537 if {[speedw-uninhibit $w 2]>1} { incr delta 1 }
540 speedw-uninhibit $w 1
542 speedw-userinput-rel $w [list speedw-stepmap-fromlist $steplist $delta]
545 proc speedws-train-problem {train} {
546 speedws-fortrain $train speedw-inhibit
549 register-event ?train_*_at {train direction} \
550 {^.train (\w+) at \S+ (forwards|backwards) } {
551 upvar #0 train_direction($train) dirn
553 speedws-fortrain $train speedw-redisplay-speed
556 register-event ?train_*_speed_commanding {train speed} \
557 {^.train (\w+) speed commanding (\d+) } {
558 upvar #0 train_commanded($train) cmd
560 speedws-fortrain $train speedw-redisplay-speed
563 proc speedws-stastate-hook {} {
564 global train_direction stastate
565 switch -exact -- $stastate {
567 set trains [array names train_direction]
568 speedws-forall speedw-trains-available $trains
574 speedws-forall speedw-notrains "($stastate)"
577 catch { unset train_commanded }
578 speedws-forall speedw-notrains "($stastate)"
583 register-event &train_*_signalling-problem {train problem} \
584 {^\&train (\w+) signalling-problem (.*) $} {
586 regsub {^(\S+) (\S+) \: } $problem {\1 @\2: } problem
587 report-problem "event: $problem"
588 speedws-train-problem $train
591 proc speedw-new-cooked {wunique desc} {
592 set w .inputs.$wunique
594 pack $w -side left -padx 10
598 proc speedw-stepmap-fromlist {speedlist offset oldspeed} {
599 if {![llength $speedlist]} {
601 upvar #0 default_speedstep_list speedlist
604 foreach entry $speedlist {
605 if {$entry==$oldspeed} { set ixbelow $ixabove; break }
606 if {$entry>$oldspeed} break
610 set ix [expr {($offset>0 ? $ixbelow : $ixabove) + $offset}]
611 if {$ix<0} { return 0 }
612 if {$ix>=[llength $speedlist]} { return [lindex $speedlist end] }
613 return [lindex $speedlist $ix]
616 #---------- concrete input bindings ----------
618 proc ib-suppressions {args} {
621 set l [concat $l --redaction $supp --suppress]
626 proc ib-speedw-new {devid wunique desc} {
627 upvar #0 input/$devid in
628 set in(speedw) [speedw-new-cooked $wunique $desc]
633 proc ib-ev/wheelmouse/EV_REL/REL_WHEEL {devid value} {
634 upvar #0 input/$devid in
635 speedw-userinput-rel-steps $in(speedw) [expr {-$value}] {}
638 proc ib-selectnext {devid value} {
639 if {$value!=1} return
640 upvar #0 input/$devid in
641 speedw-train-selectnext $in(speedw)
643 proc ib-changedirection {devid value} {
644 upvar #0 input/$devid in
646 speedw-train-direction $in(speedw) change
649 proc ib-ev/wheelmouse/EV_KEY/BTN_LEFT {devid value} {
650 ib-selectnext $devid $value
652 proc ib-ev/wheelmouse/EV_KEY/BTN_RIGHT {devid value} {
653 ib-changedirection $devid $value
656 proc ib-create/wheelmouse {devid wunique desc} {
657 ib-speedw-new $devid $wunique $desc
660 proc ib-wheelmouse-redactions {} {
661 return [ib-suppressions \
666 proc ib-evcmd/wheelmouse {devid target} {
667 return [ib-evcmd-construct $devid $target [concat \
668 [list --grab] [ib-wheelmouse-redactions]]]
673 proc ib-create/gamepad {devid wunique desc} {
674 ib-speedw-new $devid $wunique $desc
677 #----- ebuyer wireless keyboard
679 proc ib-create/ebwikeb {devid wunique} {
680 upvar #0 input/$devid in
681 set in(desc) "main keyboard"
682 ib-create/wheelmouse $devid $wunique $in(desc)
686 proc ib-evcmd/ebwikeb {devid target} {
688 [list ./evdev-manip-ebwikeb --redact --stdin-monitor] \
689 [ib-wheelmouse-redactions] \
694 {0xffbc 88 0xffbc 00}]]
697 proc ib-ev/ebwikeb/EV_REL/REL_WHEEL {devid value} {
698 ib-ev/wheelmouse/EV_REL/REL_WHEEL $devid $value
701 proc ib-ebwikeb-modifier {devid value bitval} {
702 upvar #0 input/${devid}(modifiers) mod
704 set mod [expr {$mod | $bitval}]
706 set mod [expr {$mod & ~$bitval}]
709 proc ib-ev/ebwikeb/EV_KEY/KEY_LEFTSHIFT {devid value} {
710 ib-ebwikeb-modifier $devid $value 0x0001
712 proc ib-ev/ebwikeb/EV_KEY/KEY_RIGHTSHIFT {devid value} {
713 ib-ebwikeb-modifier $devid $value 0x0002
715 proc ib-ev/ebwikeb/EV_KEY/KEY_LEFTCTRL {devid value} {
716 ib-ebwikeb-modifier $devid $value 0x0100
718 proc ib-ev/ebwikeb/EV_KEY/KEY_RIGHTCTRL {devid value} {
719 ib-ebwikeb-modifier $devid $value 0x0200
721 proc ib-ev/ebwikeb/EV_KEY/KEY_CAPSLOCK {devid value} {
722 ib-ebwikeb-modifier $devid $value 0x0400
725 proc ib-ev/ebwikeb/0xffbc_88/0xffbc_0d {devid value} {
726 upvar #0 input/$devid in
728 if {$in(modifiers) & 0x00ff} {
729 ib-selectnext $devid $value
731 ib-changedirection $devid $value
735 proc ib-ev/ebwikeb/EV_KEY/KEY_BOOKMARKS {devid value} {
736 upvar #0 input/$devid in
738 if {!($in(modifiers) & 0xff00)} return
739 if {$in(modifiers) & 0x00ff} {
744 scmd routinecmd $in(desc) "!realtime $how"
747 #----- static keybindings speed `controller'
749 proc bind-keyboard-speed {kslow kfast kseltrain kreverse desc} {
750 set wunique [get-unique keyboardspeed]
751 set w [speedw-new-cooked $wunique $desc]
752 foreach delta {-1 +1} sf {slow fast} {
753 bind . <Key-[set k$sf]> [list speedw-userinput-rel-steps $w $delta {}]
755 bind . <Key-$kseltrain> [list speedw-train-selectnext $w]
756 bind . <Key-$kreverse> [list speedw-train-direction $w change]
757 speedw-setstate $w normal
760 #----- Joytech "Neo S" USB PC gamepad
762 proc hidraw-descriptors/gamepad-neo-s {} {
766 #proc hidraw-readable/gamepad-neo-s {chan hidraw devid} {
767 # upvar #0 hidraw/$hidraw raw
768 # # In my tests with tcl8.3 and tcl8.5, "read chan numbytes"
769 # # on a nonblocking binary channel does only one read(2)
770 # # provided that read(2) returns less than requested
772 # set msg [hbytes raw2h [read $chan 256]]
774 # switch -glob [bhtes $msg {
777 # * { error "unknown report number $raw(buf)" }
779 # if {$want > $sofar} {
780 # set got [read $chan [expr {$want - $sofar}]]
784 # set sofar [hbytes length $raw(buf)]
786 # set got [read $chan 64]
792 #---------- input device evdev binding ----------
794 proc ib-evcmd-construct {devid target xargs} {
795 upvar #0 input/$devid in
796 if {[llength $target] > 1} {
797 debug "ib $devid - multiple devices, not supported"
800 manyset [lindex $target 0] ev sysfs
801 if {[regexp { } $ev]} { error "event device `$ev' contains space" }
803 [list ./evdev-manip --redact] $xargs \
804 [list --stdin-monitor \
805 --expect-sysfs /sys$sysfs/$ev/dev \
809 proc bind-input-core {devid devkind devinfo concrete concargs} {
810 global input_bindings
811 lappend input_bindings [list $devkind $devid $devinfo $concrete $concargs]
814 proc bind-input {bus vendor product version concrete args} {
815 bind-input-core evdev:$bus:$vendor:$product:$version \
816 evdev [list $bus $vendor $product $version] \
820 proc bind-input-static {event sysfs concrete args} {
821 bind-input-core [get-unique static] \
822 static [list $event $sysfs] \
826 proc bind-input-raw {devtype concrete args} {
827 set descriptors [exec ./hidrawconv-$devtype -d]
828 bind-input-core hidraw:[get-unique $devtype] \
829 hidraw [list $devtype $descriptors] \
833 proc widgets-input-bindings {} {
834 global input_bindings
835 foreach binding $input_bindings {
836 manyset $binding devkind devid devinfo concrete concargs
837 set cid [get-unique $concrete]
838 upvar #0 input/$devid in
840 set in(concrete) $concrete
841 eval [list ib-create/$concrete $devid $cid] $concargs
843 pack .inputs -side top -fill x
846 # input/$devid becomes `in' via upvar:
847 # $in(chan) channel open onto evdev-manip;
848 # unset if none, or hidraw, or something
849 # $in(laststart) last start time, [clock seconds]
850 # at every event we set this the current time
851 # but we insist on adding at least 5s
852 # and if that would make it > current time +15s
854 # $in(speedw) optional, may be set by ib-create
856 # hidraw/hidrawN becomes `hr' via upvar:
857 # $raw(devid) $devid (see above)
858 # $raw(chan) channel open onto /dev/hidrawN
860 proc input-concrete-start-try {devid concrete} {
861 global inputretryadd inputretrymax
862 upvar #0 input/$devid in
863 set now [clock seconds]
864 set newlast [expr {$in(laststart) + $inputretryadd}]
865 if {$newlast > $now + $inputretrymax} { return 0 }
866 if {$newlast < $now} { set newlast $now }
867 set in(laststart) $newlast
870 proc input-bindings-list {devkind} {
871 global input_bindings
873 foreach b $input_bindings {
875 if {[string compare $dk $devkind]} continue
881 proc scan-input-bindings {} {
882 global errorInfo errorCode unmatched_notified old_hidraws
883 global input_bindings scaninputinterval
884 global input_rawbindings
886 after $scaninputinterval scan-input-bindings
888 # scan /proc/bus/input/devices for appropriate evdevs
889 # results go in $target($devid)
891 set f [open /proc/bus/input/devices]
893 if {[string match {POSIX ENOENT *} $errorCode]} return
894 error $emsg $errorInfo $errorCode
899 if {[info exists v(devid)] &&
900 [info exists v(sysfs)] &&
901 [info exists v(event)]} {
902 lappend target(evdev:$v(devid)) [list $v(event) $v(sysfs)]
911 {^I: Bus=(\w+) Vendor=(\w+) Product=(\w+) Version=(\w+)\s} \
912 $l dummy bus vendor product version]} {
913 set v(devid) $bus:$vendor:$product:$version
914 } elseif {[regexp {^S: Sysfs=(\S+)\s} $l dummy sysfs]} {
916 } elseif {[regexp {^H: Handlers=(?:.*\s)?(event\d+)\s} $l dummy ev]} {
924 # add as-if-scanned entries for static bindings to target
925 # also check to see if we want hidraw
926 foreach binding $input_bindings {
927 manyset $binding devkind devid devinfo concrete concargs
928 switch -exact $devkind static { } default continue
929 lappend target($devid) [list $event $sysfs]
933 foreach binding [input-bindings-list hidraw] {
934 manyset $binding devkind devid devinfo concrete concargs
935 switch -exact $devkind hidraw { } default continue
936 manyset $devinfo devtype descriptors
937 set rawmap($descriptors) [list $devid $devtype $concrete]
939 if {[array exists rawmap]} {
940 set new_hidraws [lsort [glob -nocomplain -directory /dev hidraw*]]
941 foreach hidraw $new_hidraws {
942 upvar #0 hidraw/$hidraw raw
943 if {[info exists raw(chan)]} {
944 set found($raw(devid)) 1
947 if {[lsearch -exact $old_hidraws $hidraw] >= 0} continue
949 set chan [open $hidraw r+]
950 set descriptors [exec ./hidraw-ioctl -d <@ $chan]
951 if {![info exists rawmap($descriptors)]} {
952 set m [exec ./hidraw-ioctl -i <@ $chan]
953 error "unknown descriptors (unmatched device) $hidraw $m >$descriptors<"
956 upvar #0 hidraw_notified($hidraw) notified
957 if {![info exists notified] ||
958 [string compare $notified $emsg]} {
959 debug "ir $hidraw $emsg"
962 catch { close $chan }
966 manyset $rawmap($descriptors) devid devtype concrete
968 if {![input-concrete-start-try $devid $concrete]} {
969 catch { close $chan }
972 set raw(devid) $devid
973 set cmdl [list ./hidrawconv-$devtype -e <@ $chan 2>@ stderr]
974 set evch [open |$cmdl r]
976 fconfigure $evch -blocking 0 -buffering line
977 fileevent $evch readable \
978 [list catch-for-input-binding hidraw $hidraw \
979 [list readable input-binding-raw $evch $hidraw $devid]]
980 input-binding-present $devid 1 "hidraw $hidraw"
982 set old_hidraws $new_hidraws
985 # try to start the input binding for all the unstarted found targets
986 foreach devid [array names target] {
987 upvar #0 input/$devid in
988 if {![info exists in(concrete)]} {
989 if {![info exists unmatched_notified($devid)]} {
990 debug "ib $devid unmatched, ignored"
991 set unmatched_notified($devid) 1
996 if {[info exists in(chan)]} continue
997 if {![input-concrete-start-try $devid $concrete]} continue
999 set cmdl [ib-evcmd/$in(concrete) $devid $target($devid)]
1000 if {![llength $cmdl]} {
1001 unset target($devid)
1004 lappend cmdl 2>@ stderr
1005 catch-for-input-binding evdev $devid {
1006 debug "ib $devid running $cmdl"
1007 set in(chan) [open |$cmdl r+]
1008 fconfigure $in(chan) -blocking 0 -buffering line
1009 fileevent $in(chan) readable \
1010 [list catch-for-input-binding evdev $devid \
1011 [list readable input-binding $in(chan) $devid]]
1015 # anything not found, not present
1016 foreach binding $input_bindings {
1017 manyset $binding devkind devid devinfo concrete concargs
1018 switch -exact $devkind evdev - raw { } default continue
1019 upvar #0 input/$devid in
1020 if {![info exists in(concrete)]} continue
1021 if {[info exists found($devid)]} continue
1022 input-binding-present $devid 0 absent
1026 proc input-binding-present {devid yes why} {
1027 upvar #0 input/$devid in
1028 if {[info exists in(speedw)]} {
1029 speedw-setstate $in(speedw) [lindex {disabled normal} $yes]
1031 set call "ib-[lindex {absent present} $yes]/$in(concrete)"
1032 if {![catch { info args $call }]} {
1037 proc input-binding-eof {chan devid} {
1038 upvar #0 input/$devid in
1039 input-binding-eof-core $in(chan) "evdev-manip exited"
1042 proc input-binding-eof-core {chan msg} {
1043 fconfigure $chan -blocking 1
1045 error $msg {} {CHILDSTATUS ? 0}
1048 proc input-binding-raw-eof {chan hidraw devid} {
1049 upvar #0 hidraw/$hidraw raw
1050 input-binding-eof-core $raw(chan) "hidrawconv-* exited"
1053 proc input-binding-inputline {chan l devid} {
1054 upvar #0 input/$devid in
1055 if {[input-binding-inputline-core-ib $devid $l]} return
1056 regsub {^[^ ]+ } $l {} lr
1057 switch -glob -- $lr {
1059 debug "ib $devid start << $l"
1060 input-binding-present $devid 1 "evdev open"
1063 manyset [split $lr] value kindl kindr codel coder
1064 input-binding-inputline-core-ev $devid \
1065 ${kindl}_${kindr}/${codel}_${coder} $value $l
1068 debug "ib $devid ignored << $l"
1073 proc input-binding-inputline-core-ib {devid l} {
1074 # give the input binding first dibs
1075 upvar #0 input/$devid in
1076 if {[catch { info args ib-inputline/$in(concrete) }]} { return 0 }
1077 return [ib-inputline/$in(concrete) $devid $l]
1080 proc input-binding-inputline-core-ev {devid kindcode value l} {
1082 upvar #0 input/$devid in
1083 set proc ib-ev/$in(concrete)/$kindcode
1084 if {[catch { info args $proc }]} {
1086 debug "ib $devid unbound $proc << $l"
1093 proc input-binding-raw-inputline {chan l hidraw devid} {
1094 upvar #0 hidraw/$hidraw raw
1095 if {[input-binding-inputline-core-ib $devid $l]} return
1096 manyset [split $l] kind code value
1097 input-binding-inputline-core-ev $devid $kind/$code $value $l
1100 proc catch-for-input-binding {devkind ident body} {
1101 global errorInfo errorCode
1102 set r [catch { uplevel 1 $body } rv]
1103 if {$r!=1} { return -code $r $rv }
1104 switch -glob $errorCode {
1105 {CHILDSTATUS *} { set m "exited with status [lindex $errorCode 2]" }
1106 {CHILDKILLED *} { set m "killed by signal [lindex $errorCode 3]" }
1107 {POSIX *} { set m "communication error: [lindex $errorCode 1]" }
1108 * { error $rv $errorInfo $errorCode }
1110 debug "ib $devkind $ident died $m"
1111 input-binding-destroy/$devkind $ident $m
1114 proc input-binding-destroy/evdev {devid m} {
1115 upvar #0 input/$devid in
1116 catch { close $in(chan) }
1117 catch { unset in(chan) }
1118 input-binding-present $devid 0 "died $m"
1121 proc input-binding-destroy/hidraw {hidraw m} {
1122 upvar #0 hidraw/$hidraw raw
1123 catch { close $raw(chan) }
1124 catch { unset raw(chan) }
1125 input-binding-present $raw(devid) 0 "died $m"
1128 proc engage-input-bindings {} {
1132 #---------- plan background (gui-plan subprocess) ----------
1134 proc gui-pipe-readable {args} {
1136 while {[gets $gui_pipe l] >= 0} {
1137 debug "<gui-plan $l"
1139 if {[eof $gui_pipe]} {
1141 error "gui-plan crashed"
1145 #---------- train set events of general interest, and setup ----------
1147 proc train-event-eof {args} {
1148 error "lost connection to train set"
1151 register-event ?stastate {ctxch state} {^(.)stastate (\w+|\-) } {
1152 global ctrain trains stastate
1154 report-problem "stastate: $state"
1155 if {[string compare $ctxch |]} speedws-stastate-hook
1158 register-event ?resolution {message} \
1159 {^.resolution (\S+ .*)$} {
1160 if {[string match "problems *" $message]} return
1161 report-problem "resolution: $message"
1164 register-event ?warning {message} {^.warning (\S+ .*)$} {
1165 report-problem "warning: $message"
1168 register-event {} {} {^=connected } {
1169 global pages gui_pipe server port event_selections
1171 scmd replayed {} "select-replay [concat $event_selections]"
1173 foreach page $pages {
1175 tkwait visibility $w.picture
1177 set cmdl [list ./gui-plan-$page [winfo id $w.picture] @$server,$port]
1178 lappend cmdl 2>@ stderr
1179 set gui_pipe [open |$cmdl r]
1181 puts stderr "running $cmdl"
1182 fconfigure $gui_pipe -blocking no
1183 fileevent $gui_pipe readable gui-pipe-readable
1186 proc replayed-err {m args} { error "replay failed: $m" }
1187 proc replayed-ok {m args} {
1188 speedws-stastate-hook
1191 register-event {} {} {^=failed } { error "multiplexer failed: $l" }
1192 register-event {} {} {^=denied } { error "multiplexer denied us: $l" }
1193 register-event {} {} {^\+nack } { error "multiplexer does not understand" }
1195 #---------- main program ----------
1197 append event_dispatch_body {
1200 proc train-event-inputline {sconn l} $event_dispatch_body
1201 proc register-event {args} { error "too late!" }
1203 proc engage-server {} {
1204 global server port sconn
1206 set sconn [socket $server $port]
1207 fconfig-trainproto $sconn
1208 fileevent $sconn readable {readable train-event $sconn}
1212 global pages cpage configfile input_bindings old_hidraws
1213 setting server railway {[[0-9a-z:].*}
1214 setting geometry {} {[-+]\d+[-+]\d+}
1215 setting posdeviation 5 {\d+}
1216 setting movfeatcommand {movfeat+} {(?:!movfeat|movfeat\+?\+?)}
1217 setting problemdisplayms 1000 {\d+}
1218 setting inputretryadd 5 {\d+}
1219 setting inputretrymax 15 {\d+}
1220 setting scaninputinterval 500 {\d+}
1221 setting showunbound 0 {[01]}
1223 set hostname [lindex [split [info hostname] .] 0]
1224 setting configfile gui-$hostname.config {.+}
1228 if {![info exists input_bindings]} { set input_bindings {} }
1231 uplevel #0 source gui-layout.config
1232 uplevel #0 source $configfile
1233 foreach cpage $pages {
1239 widgets-input-bindings
1240 widget-problem-report
1242 engage-input-bindings