sway-prop.sh

#!/usr/bin/env sh
# MIT License
#
# Licensed under the MIT license
#
# Copyright © 2022 bjosephmitchell@gmail.com
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the “Software”), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# furnished to do so, subject to the following conditions:
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# The above copyright notice and this permission notice shall be included in all
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
#
# BEGIN_DOC
# ### [sway-prop.sh](./sway-prop.sh)
#
# source: https://gist.github.com/crispyricepc/f313386043395ff06570e02af2d9a8e0#file-wlprop-sh
#
# Starts a window picker (slurp) and print selected window information.
# Similar to xprop. This is for sway, in Hyprland you can just use `hyprctl
# clients` + some grep pattern will get you far.
#
# Requirements:
#
# - https://swaywm.org/
# - https://jqlang.github.io/jq/
# - https://github.com/emersion/slurp
# - https://www.gnu.org/software/gawk/
#
# License [MIT](./LICENSES/MIT-LICENSE.txt)
# END_DOC

# Get the sway tree and store the output
SWAY_TREE=$(swaymsg -t get_tree | jq -r '.. | select(.pid? and .visible?)')

# Invoke slurp to let the user select a window
SELECTION=$(echo $SWAY_TREE | jq -r '.rect | "\(.x),\(.y) \(.width)x\(.height)"' | slurp)

# Extract the X, Y, Width, and Height from the selection
X=$(echo $SELECTION | awk -F'[, x]' '{print $1}')
Y=$(echo $SELECTION | awk -F'[, x]' '{print $2}')
W=$(echo $SELECTION | awk -F'[, x]' '{print $3}')
H=$(echo $SELECTION | awk -F'[, x]' '{print $4}')

# Find the window matching the selection
echo $SWAY_TREE | jq -r --argjson x $X --argjson y $Y --argjson w $W --argjson h $H \
  '. | select(.rect.x == $x and .rect.y == $y and .rect.width == $w and .rect.height == $h)'