#!/dis/sh
load expr
args=$*
pctl newpgrp
fn debug {
	echo $* >[1=2]
}
ifs=' 	
'
nl='
'
{
	rargs := ()
	rnum := 1
	getlines {
		rargs=$rargs $line
		echo $rnum blue $line
		rnum=${expr $rnum 1 +}
	}
	echo ${join $nl $rargs} | rectfind $args | getlines {
		echo $rnum $line
		rnum=${expr $rnum 1 +}
	}
} | {
	load tk
	wid := ${tk window 'Test rects'}
	while {} {tk winctl $wid ${recv $wid}} &
	fn x { a := $*; or {tk $wid $a} {echo error on tk cmd $"a':' $status }}
	x canvas .c -width 500 -height 400
	x pack .c
	chan stdout; tk namechan $wid stdout
	x bind .c '<Button-1>' {send stdout %x %y}
	tk onscreen $wid
	while {} {echo ${recv stdout}} &
	x update
	getlines {
		(rnum col r) := ${split $line}
		lastcmd = x .c create rectangle $r -fill $col -tags t^$rnum
		$lastcmd
		x update
		if {! ~ $col blue} {
			sleep 1
			x .c delete t^$rnum
			x update
		}
	}
	$lastcmd
	x update
	echo finished >[2=1]
	< /dev/cons getlines {
		x ${unquote $line}
		x update
	}
}