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|
#!/bin/sh
# setWindowSize.sh: Sets the selected window size
#
# Usage: setWindowSize.sh [-p|-n]
usageMessage="Usage: ${0} [-p|-n]"
error() {
printf '%s error: %s\n' "$0" "$*" >&2
}
errorAndUsage() {
printf '%s error: %s\n%s\n' "$0" "$*" "$usageMessage" >&2
}
resolutions='214 120
427 240
720 480
800 600
854 480
1280 720
1920 1080'
prev=''
next=''
newResolution=''
# Process options
while getopts ':pn' opt; do
case $opt in
'p' )
prev='y'
;;
'n' )
next='y'
;;
'?' )
printf '%s\n' "$usageMessage" >&2
exit 1
esac
done
shift $((OPTIND - 1))
windowId="$(xdotool getwindowfocus)"
currentWidth="$(xwininfo -id "$windowId" | grep 'Width:' | awk '{print $2}')"
currentHeight="$(xwininfo -id "$windowId" | grep 'Height:' | awk '{print $2}')"
currentResolution="${currentWidth} ${currentHeight}"
if [ -n "$prev" ] && [ -n "$next" ]; then
errorAndUsage '-p and -n can not be used together.'
exit 1
elif [ -n "$next" ]; then
newResolution="$(printf '%s' "$resolutions" | grep -A 1 "^${currentResolution}$" | tail -n 1)"
# If resolution is the biggest, pick the smallest
if [ "$newResolution" = "$currentResolution" ]; then
newResolution="$(printf '%s' "$resolutions" | sed '1q')"
fi
elif [ -n "$prev" ]; then
newResolution="$(printf '%s' "$resolutions" | grep -B 1 "^${currentResolution}$" | sed '1q')"
# If resolution is the smallest, pick the biggest
if [ "$newResolution" = "$currentResolution" ]; then
newResolution="$(printf '%s' "$resolutions" | tail -n 1)"
fi
else
resolutionCount="$(printf '%s' "$resolutions" | wc -l)"
resolutionCount="$((resolutionCount + 1))"
newResolution="$(printf '%s' "$resolutions" | dmenu -l "$resolutionCount" -p 'Resolution:')"
fi
xdotool getwindowfocus -- windowsize $newResolution
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