#!/bin/bash
## clicksnap - click on the appropriate area of the window to snap it in a given direction. 
#  Works with active and inactive windows
#
#
#
#
## 
activate_window="false"

eval $(xdotool getmouselocation --shell)
Mouse_x="$X"
Mouse_y="$Y"

eval $(xdotool getwindowgeometry --shell $WINDOW)
Win_x="$X"
Win_y="$Y"
Win_width="$WIDTH"
Win_height="$HEIGHT"

Rel_x="$((Mouse_x-Win_x))"
Rel_y="$((Mouse_y-Win_y))"

pos_x="$(((Mouse_x-Win_x)/(Win_width/3)))"
pos_y="$(((Mouse_y-Win_y)/(Win_height/3)))"
POS_CODE="$pos_x$pos_y"

OFFSET=$(wmctrl -d |grep "*" | awk -F' ' '{print $8}')
REALSIZE=$(wmctrl -d |grep "*" | awk -F' ' '{print $9}')

AVAIL_X="${REALSIZE%x*}"
AVAIL_Y="${REALSIZE#*x}"

OFF_X="${OFFSET%,*}"
OFF_Y="${OFFSET#*,}"

case $POS_CODE in
    00) # top-left
    WIDTH=$((AVAIL_X/2))
    HEIGHT=$((AVAIL_Y/2-OFF_Y/2))
    X=$((0+OFF_X))
    Y=$((0+OFF_Y))
    ;;
    10) # top
    WIDTH=$((AVAIL_X))
    HEIGHT=$((AVAIL_Y/2-OFF_Y/2))
    X=$((0+OFF_X))
    Y=$((0+OFF_Y))
    ;;
    20) # top-right
    WIDTH=$((AVAIL_X/2))
    HEIGHT=$((AVAIL_Y/2-OFF_Y/2))
    X=$((AVAIL_X/2+OFF_X))
    Y=$((0+OFF_Y))
    ;;
    01) # left
    WIDTH=$((AVAIL_X/2))
    HEIGHT=$((AVAIL_Y-OFF_Y/2))
    X=$((0+OFF_X))
    Y=$((0+OFF_Y))
    ;;
    11) # center
    WIDTH=$((AVAIL_X/2-OFF_X))
    HEIGHT=$((AVAIL_Y/2-OFF_Y))
    X=$((AVAIL_X/4+OFF_X/2))
    Y=$((AVAIL_Y/4+OFF_Y/2));;
    21) # right
    WIDTH=$((AVAIL_X/2))
    HEIGHT=$((AVAIL_Y-OFF_Y/2))
    X=$((AVAIL_X/2+OFF_X))
    Y=$((0+OFF_Y))
    ;;
    02) # bottom-left
    WIDTH=$((AVAIL_X/2))
    HEIGHT=$((AVAIL_Y/2-OFF_Y/2))
    X=$((0+OFF_X))
    Y=$((AVAIL_Y/2+OFF_Y))
    ;;
    12) # bottom
    WIDTH=$((AVAIL_X))
    HEIGHT=$((AVAIL_Y/2-OFF_Y/2))
    X=$((0+OFF_X))
    Y=$((AVAIL_Y/2+OFF_Y))
    ;;
    22) # bottom-right
    WIDTH=$((AVAIL_X/2))
    HEIGHT=$((AVAIL_Y/2-OFF_Y/2))
    X=$((AVAIL_X/2+OFF_X))
    Y=$((AVAIL_Y/2+OFF_Y))
    ;;
esac


xdotool windowsize $WINDOW $WIDTH $HEIGHT 
xdotool windowmove $WINDOW $X $Y
if [ $activate_window == "true" ]; then xdotool windowactivate $WINDOW; fi