mga-bg-res/mga-bg-res.xinit


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#!/bin/sh

# Find currently used resolution
res=$( xrandr | awk '/\sconnected/{i=split(substr($0,0,index($0,"+")-1),a);if($0~/\sprimary\s/){if(p==""){p=a[i]}}else{if(d==""){d=a[i]}}}END{if(p==""){print d}else{print p}}' )

bgpath="/usr/share/mga/backgrounds"
# Check if this is a supported resolution, if not, find the background with the same aspect ratio
if [ ! -e "$bgpath/Mageia-Default-$res.jpg" ]; then
    width=$(echo $res | cut -f1 -d"x")
    height=$(echo $res | cut -f2 -d"x")
    # Bash only does integer arithmetic, we multiply everything by 1000 to workaround this
    ratio=$((1000*$width/$height))

    declare -A refRatios=( ["1250"]="1280x1024" ["1333"]="2560x1920" ["1600"]="1920x1200"
                           ["1667"]="800x480" ["1707"]="1024x600" ["1778"]="1920x1080" )
    if test "${refRatios[$ratio]+defined}" ; then
        res=${refRatios[$ratio]}
    else
        echo "Your aspect ratio does not seem to be supported, keeping default background resolution."
        exit 1
    fi
fi

if [ $(readlink "$bgpath/default.jpg") != "$bgpath/Mageia-Default-$res.jpg" ]; then
    /usr/bin/mga-bg-res $res
fi