shithub: bin.rc

ref: 7888f0d7ab5dbd4f0a92cef3730590a4c7b9bea8
dir: /bin/w/

#!/bin/rc

rfork

fn usage {
	echo 'w find [regex ...]'
	echo 'w [-t regex] cmd ...'
	echo 'Where cmd is one or more of the following:'
	echo '  -c wctl'
	echo '  hide|show'
	echo '  bottom'
	echo '  left|Left|center|right|Right'
	echo '  up|Up|down|Down'
	echo '  height|width [factor]'
	echo '  stack [offset]'
	echo '  tile'
	exit usage
}

fn isnum {
	echo $1 | grep -s '^[0-9\.]+$'
}

fn append {
	echo $* >>/env/wctlcmd
}

fn wfind {
	for(w in /dev/wsys/*)
		grep -s $1 $w/label && echo $w | sed 's~.*/~~'
}

fn wwidth {
	wf=$1
	dx=`{echo '('$riow'-'$borderoff')*'$wf | bc | sed 's~\..*~~'}
	append 'resize -dx '$dx
}

fn wheight {
	hf=$1
	dy=`{echo '('$rioh'-'$borderoff')*'$hf | bc | sed 's~\..*~~'}
	append 'resize -dy '$dy
}

fn wmove {
	where=$1
	win=`{read -c 48 /dev/wsys/$wid/wctl >[2]/dev/null}
	dx=`{echo $win(3) - $win(1) | bc}
	dy=`{echo $win(4) - $win(2) | bc}
	switch($where){
	case down ; append move -miny +$dy
	case up ; append move -miny -$dy
	case left ; append move -minx -$dx
	case right ; append move -minx +$dx
	case Left centerx Right
		switch($where){
		case Left ; x=0
		case centerx ; x=`{echo $riow / 2 - $dx / 2 | bc}
		case Right ; x=$riow
		}
		append move -minx $x
	case Down centery Up
		switch($where){
		case Down ; y=$rioh
		case centery ; y=`{echo $rioh / 2 - $dy / 2 | bc}
		case Up ; y=0
		}
		append move -miny $y
	}
}

fn wstack {
	off=$1
	dirx=+
	diry=+
	if(test $bx -gt `{echo $riow / 2 - $off'*'$#wids | bc})
		dirx=-
	if(test $by -gt `{echo $rioh / 2 - $off'*'$#wids | bc})
		diry=-
	append move -minx $bx -miny $by
	append move -minx $dirx$stackoff -miny $diry$stackoff
	stackoff=`{echo $off + $stackoff | bc}
}

fn wtile {
	@{
		if(~ $didtile true)
			exit
		tf=0.`{echo 1000 / $#wids | bc}
		for(i in `{seq 1 $#wids}){
			for(n in `{seq 2 $i})
				d=($d down)
			wids=$wids($i) dow h $tf U $d
			d=()
		}
	}
	didtile=true
}

fn parse {
	append unhide
	append current
	for(arg){
		switch($1){
		case -c ; append $2; shift
		case width w
			if(isnum $2){wwidth $2; shift}
			if not {
				x = $wwidth
				if(~ $#x 0){
					x=`{stringsize -n 80}
					x=$x(1)
				}
				x = `{echo $x '/' $riow | hoc}
				wwidth $x
			}
		case height h
			if(isnum $2){wheight $2; shift}
			if not {
				y = $wheight
				if(~ $#y 0){
					y=`{stringsize}
					y=`''{echo '28*'^$y(2) | hoc}
				}
				y = `{echo $y '/' $rioh | hoc}
				wheight $y
			}
		case right r ; wmove right
		case Right R ; wmove Right
		case left l ; wmove left
		case Left L ; wmove Left
		case up u ; wmove up
		case Up U ; wmove Up
		case down d ; wmove down
		case Down D ; wmove Down
		case centerx cx ; wmove centerx
		case centery cy ; wmove centery
		case center c ; wmove centery; wmove centerx
		case hide hi ; append hide; return=false
		case show s ; append top
		case delete del ; append delete; return=false
		case bottom b ; append bottom; return=false
	 	case stack
			if(isnum $2){wstack $2; shift}
			if not {wstack 15}
		case tile ; wtile
		case find f
			if(~ $#* 2) {wfind $2; shift}
			if not {wfind '.*'}
		}
		shift
	}
}

fn dow {
	for(wid in $wids){
		parse $*
		read -m /env/wctlcmd >>/dev/wsys/$wid/wctl
		>/env/wctlcmd
	}
	if(~ $return true)
		echo current >>/dev/wsys/$bwid/wctl
}

>/env/wctlcmd
wid=()
wids=()
border=0
borderoff=0
stackoff=0
return=true
didstack=false
didtile=false
scr=/dev/screen
if(test -e /mnt/orio/window){ # we're in subrio
	scr=/mnt/orio/window # refers to the subrio window
	border=2
	borderoff=4
}
rioscr=`{read -c 59 $scr}
riox=$rioscr(2)
rioy=$rioscr(3)
riow=`{echo $rioscr(4) - $rioscr(2) | bc}
rioh=`{echo $rioscr(5) - $rioscr(3) | bc}
bwid=`{cat /dev/winid}
bwin=`{read -c 48 /dev/wctl >[2]/dev/null}
bx=`{echo $bwin(1) - $riox - $border | bc}
by=`{echo $bwin(2) - $rioy - $border | bc}
wids=`{cat /dev/winid}

if(~ $#* 0)
	dow w h .5

while(~ $1 -*){
	switch($1){
		case -t
			wids=`{wfind $2}
			shift
	}
}
dow $*
exit 0