#!/bin/sh
# spawn a new terminal window inside a drawn rectangle

set -e

wglyph=7        # glyph width, in pixels
hglyph=16       # glyph height, in pixels
border=7        # border width, in pixels
title=17        # titlebar height, in pixels

slop | tr 'x+' ' ' | {
	read w h x y
	w=$(( ( w - ( border / wglyph ) ) / wglyph ))
	h=$(( ( ( h - ( border / hglyph ) ) / hglyph ) - ( title / hglyph ) ))
	exec xterm -geometry ${w}x${h}+${x}+${y} &
}