#!/bin/sh

## send windows to desktop background ##
## it depends of wms_mainrole.sh ##

. /tmp/wms_var

FLAG=$1
FW=$(pfw)             # focused window
RID=$(lsw -r)         # root widnow id
BID=$(lsw -o)         # bachground window id
RW=$(wattr w $RID)    # root width
RH=$(wattr h $RID)    # root height
SW=$((RW - 2 * BW))   # usable screen width
SH=$((RH - 2 * BW))   # usable screen height

# send windows to background
background() {
    atomx WM_IGN="$(wattr xywh $FW) $FW" $FW    # store size and place in atom
    chwso -l $FW    # put on bottom in window stack order
    wtp 0 0 $SW $SH $FW    # fullsize
    ignw -s $FW    # ignore focused window
    chwb -c $BC $FW    # change border color to ignore
    wms_mainrole.sh -p    # focus prev window
}

# restore windows from background
restore() {
    ignw -r $BID    # unignore
    wtp $(atomx WM_IGN $BID)    # restore size and place
    chwso -r $BID    # put on top in the window stack order
    atomx -d WM_IGN $BID    # delete atom
    wms_mainrole.sh $BID    # focus
}

if [ -n "$BID" ]; then
    restore

else
    background
fi