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#!/bin/sh
set -e
[ -n "$DEBUG" ] && set -x
if [ "$1" = "-h" ]; then
printf "usage: %s [RESIZE_PERC] [MODE]\n" "$(basename "$0")"
printf "\n"
printf "MODE can be tr (for top-right) or empty (for center)\n"
exit 2
fi
con=$(swq current con)
con_width=$(echo "$con" | jq -r '.window_rect.width')
con_height=$(echo "$con" | jq -r '.window_rect.height')
ws=$(swq current workspace)
ws_width=$(echo "$ws" | jq -r '.rect.width')
ws_height=$(echo "$ws" | jq -r '.rect.height')
if [ "$1" = "-w" ]; then
shift
printf "scaling relative to workspace\n"
ratio=$(awk "BEGIN{print ($ws_width / $ws_height)}")
con_width=$ws_width
con_height=$ws_height
else
printf "scaling relative to container\n"
ratio=$(awk "BEGIN{print ($con_width / $con_height)}")
fi
if [ -n "$1" ] || [ ! "$1" = "-" ]; then
perc="$1"
con_height=$(awk "BEGIN{print int($con_height * $perc)}")
con_width=$(awk "BEGIN{print int($con_height * $ratio)}")
fi
if awk "BEGIN{ if (${perc} > 2.0) exit 0; else exit 1; }"; then
printf "scaling factor %.1f larger than 200%%, aborting...\n" "${perc}"
exit 1
fi
case "$2" in
tl) # top-left
tar_x=0
tar_y=0
;;
tm) # top-middle
tar_x=$(awk "BEGIN{print int(($ws_width - $con_width)/2)}")
tar_y=0
;;
tr) # top-right
tar_x=$(awk "BEGIN{print int($ws_width - $con_width)}")
tar_y=0
;;
rm) # right-middle
tar_x=$(awk "BEGIN{print int($ws_width - $con_width)}")
tar_y=$(awk "BEGIN{print int(($ws_height - $con_height)/2)}")
;;
br) # bottom-right
tar_x=$(awk "BEGIN{print int($ws_width - $con_width)}")
tar_y=$(awk "BEGIN{print int($ws_height - $con_height)}")
;;
bm) # bottom-middle
tar_x=$(awk "BEGIN{print int(($ws_width - $con_width)/2)}")
tar_y=$(awk "BEGIN{print int($ws_height - $con_height)}")
;;
bl) # bottom-left
tar_x=0
tar_y=$(awk "BEGIN{print int($ws_height - $con_height)}")
;;
lm) # left-middle
tar_x=0
tar_y=$(awk "BEGIN{print int(($ws_height - $con_height)/2)}")
;;
noop) # noop
;;
c | *) # center
tar_x=$(awk "BEGIN{print int(($ws_width - $con_width)/2)}")
tar_y=$(awk "BEGIN{print int(($ws_height - $con_height)/2)}")
;;
esac
echo "ws: $ws_width x $ws_height"
echo "con: $con_width x $con_height"
echo "moveto: $tar_x x $tar_y"
con_id=$(echo "$con" | jq -r '.id')
swaymsg [con_id="$con_id"] resize set "$con_width" "$con_height"
swaymsg [con_id="$con_id"] move position "$tar_x" "$tar_y"
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