wmctrl_show_desktop__hide_other_apps.sh

#!/bin/bash

#### HERE... hide all but NOT Focused ONE
#### IF all are already minimized... raise.maximised them all back

# Alt to :: SHOW/HIDE (TOGGLE) Desktop
#if [ $status == "ON" ]; then
#    wmctrl -k off
#else
#    wmctrl -k on
#fi

fene=0
hfene=0
hhf=0

### BEFORE changing Min/Max
### count already minimized
for u in $(wmctrl -l | awk $2 '!/-1/ {print $1}')
do
    ### fene COUNT all Windows
    ((fene++))

    ### CHECK STATE, minimized ?? SOURCE https://askubuntu.com/questions/1132023/how-to-determine-if-window-is-maximised-or-minimised-from-bash-script
    minmin=$(xprop -id $u-| grep "_NET_WM_STATE(ATOM)" | grep "_NET_WM_STATE_HIDDEN")
    
    ### IF is MINIMIZED (hfene++)
    if [[ $minmin != "" ]]; then
        # echo "--- EEE"
        ((hfene++))
    # else
        # echo "--- ooo"
    fi
done


### GET CURRENT FOCUSED INFOS
current=$(xprop -root | grep '^_NET_ACTIVE_W' | awk -F'# 0x' '{print $2}' | awk -F', ' '{print $1}')
# echo current $current
class=$(xdotool getwindowfocus getwindowclassname)
# echo class $class
currapp_windows=$(wmctrl -mlpx | grep $class | awk '{print $1}')
# echo currapp_windows $currapp_windows
currapp_window_active=$(wmctrl -mlpx | grep $current | awk '{print $1}')
# echo currapp_window_active $currapp_window_active

# echo

### LOOP ALL WINDOWS
for fene_id in $(wmctrl -l | awk $2 '!/-1/ {print $1}')
do
    ### $fene_id == WIN_ID
    # echo n == $fene_id
    ### DEBUG get name
    window=$(wmctrl -mlpx | grep $fene_id | awk '{print $4}')
    # echo window $window
    # echo

    if [[ $fene_id == $currapp_window_active ]];then
        # echo "[ FRONT ]  : $window"  
        ### KEEP IT in mind, last focused
        focused=$fene_id
    else 
        # echo "OOO window : $window"  
        xdotool windowminimize $fene_id
        currapp_windows=$(wmctrl -mlpx | grep $class | awk '{print $1}')
    fi

    ### LAST Focused
    # echo focused $focused

    ### IF ALL are minified
    hhf=$(($hfene+1))
    if [[ $fene == $hhf ]];then

        #### ALL are already minimized
        # echo "all"
        
        #### RESTORE
        #### DIRTY Restore (raise) all windows ($fene_id, one by one)
        xdotool windowraise $fene_id
        #### Restore (raise) LAST FOCUSED (into front)
        xdotool windowraise $focused

    fi 


    # echo
done