#!/bin/sh

## clean screen ##

. $HOME/.config/rootwm/rwm_var

FLAG=$1
FW=$(pfw)                              # focused window 
CL=$(atomx WM_CL $FW)                  # clearrer atom

usage() {
    echo "usage:
rwm_clearer.sh [ -c, -r ]
-c) clear desktop
-r) restore windows"
}

clear() {
    if [ -n $FW ]; then
	for wid in $(lsw); do
	    atomx WM_CL=True $wid
	    mapw -u $wid
	done
    fi
}

restore() {
    for wid in $(lsw -u); do
	wm_cl=$(atomx WM_CL $wid)
	if [ -n "$wm_cl" ]; then
	    mapw -m $wid
	    atomx -d WM_CL $wid
	fi
    done
}
	    
case $FLAG in
    -c)
	clear
	;;
    -u)
	restore
	;;
    *)
	usage
	;;
esac