#!/bin/bash

# by desgua - 2012/05/09
#
# This script help to customize apps in selected viewports
#
# works with Compiz

# check if we have the needed tools

tool1=$(which xdotool)
tool2=$(which calc)

if [ -z $tool1 ]; then
    echo "Xdotool is needed, do you want to install it now? [Y/n]"
    read a 
    if [[ $a == "Y" || $a == "y" || $a = "" ]]; then
        sudo apt-get install xdotool
    else
        echo "Exiting then..."
        exit 1
    fi
fi
    
if [ -z $tool2 ]; then
    echo "Calc is needed, do you want to install it now? [Y/n]"
    read a 
    if [[ $a == "Y" || $a == "y" || $a = "" ]]; then
        sudo apt-get install apcalc
    else
        echo "Exiting then..."
        exit 1
    fi
fi



# viewport horizontal size
vh=$(gconftool-2 -g /apps/compiz-1/general/screen0/options/outputs | sed 's/\[//' | sed 's/x.*//')

# viewport vertical size
vv=$(gconftool-2 -g /apps/compiz-1/general/screen0/options/outputs | sed 's/.*x//' | sed 's/+.*//')

# numbers of horizontals viewports
nh=$(gconftool-2 -g /apps/compiz-1/general/screen0/options/hsize)

# numbers of verticals viewports
nv=$(gconftool-2 -g /apps/compiz-1/general/screen0/options/vsize)

# backup any previous script
mv ~/.sessionconf ~/.sessionconf.bak

# create the new sessionconf file
touch ~/.sessionconf
echo "#!/bin/bash
#
# generated by desgua's script 
sleep 5" > ~/.sessionconf
chmod +x ~/.sessionconf

clear 
# Info
echo "I will help to customize your session. "
echo 
echo "The size of your viewport is: "$vh"x"$vv 
echo
echo "And you have "$nh" horizontals viewports and "$nv" verticals viewports. "  
echo

# Select Viewport
function selvvp { 
read -p "Lets select a viewport to configure. 

Please type the horizontal number of the viewport: " ah

if [[ "$ah" -gt "$nh" || "$ah" -lt "1" ]]; then
    echo 
    echo "Horizontal viewport not found. Please try again."
    selvvp
fi
} 

function selhvp { 
read -p "
Please type the vertical number of the viewport: " av

if [[ "$av" -gt "$nv" || "$av" -lt "1" ]]; then
    echo 
    echo "Vertical viewport not found. Please try again."
    selhvp
fi

apvp

} 

# Select App
function apvp { 
echo "
  
Please select the app you need at" $ah "x" $av ": " 
read a

aa=$(which $a) 

if [[ -z $aa ]]; then
    echo "App not found, please try again"
    apvp
else
    echo "Got it."
    shv=$(calc $ah*$vh-1)
    svv=$(calc $av*$vv-1)
    echo "xdotool set_desktop_viewport "$shv $svv >> ~/.sessionconf
    echo $a "&" >> ~/.sessionconf    
    echo "sleep 1" >> ~/.sessionconf        
    echo 
    echo "Done!"
    read -n 1 -p "Configure another app? (Y/n)" a
    if [[ $a == "Y" || $a == "y" || $a = "" ]]; then
        selvvp
        selhvp
    else
        pt=$(xdg-user-dir HOME)
        ppt=$(echo $pt/.sessionconf)
        echo
        echo
        echo "Adding the script to startup applications"
        echo '[Desktop Entry]
Type=Application' > ~/.config/autostart/sessionconf.desktop
        echo 'Exec='$ppt >> ~/.config/autostart/sessionconf.desktop
        echo 'Hidden=false
NoDisplay=false
X-GNOME-Autostart-enabled=true
Name=Custumized script
Comment=To launch apps in viewports' >> ~/.config/autostart/sessionconf.desktop
        echo "Exiting now. Hope you enjoyed"
        exit 0
    fi      
fi
} 

selvvp
selhvp


exit 0