Bruno BELANYI
1f1d3c9545
This makes it easier to write an i3 filter command, by just executing the script and clicking on the window you want to filter.
41 lines
1.5 KiB
Bash
Executable file
41 lines
1.5 KiB
Bash
Executable file
#!/bin/sh
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# i3-get-window-criteria - Get criteria for use with i3 config commands
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# To use, run this script, then click on a window.
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# Output is in the format: [<name>=<value> <name>=<value> ...]
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# Known problem: when WM_NAME is used as fallback for the 'title="<string>"' criterion,
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# quotes in "<string>" are not escaped properly. This is a problem with the output of `xprop`,
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# reported upstream: https://bugs.freedesktop.org/show_bug.cgi?id=66807
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PROGNAME=$(basename "$0")
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# Check for xwininfo and xprop
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for cmd in xwininfo xprop; do
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if ! command -v $cmd > /dev/null 2>&1; then
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echo "$PROGNAME: $cmd: command not found" >&2
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exit 1
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fi
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done
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match_int='[0-9][0-9]*'
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match_string='".*"'
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match_qstring='"[^"\\]*(\\.[^"\\]*)*"' # NOTE: Adds 1 backreference
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{
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# Run xwininfo, get window id
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window_id=$(xwininfo -int | sed -nre "s/^xwininfo: Window id: ($match_int) .*$/\1/p")
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echo "id=$window_id"
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# Run xprop, transform its output into i3 criteria. Handle fallback to
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# WM_NAME when _NET_WM_NAME isn't set
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xprop 8u -id "$window_id" |
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sed -nr \
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-e "s/^WM_CLASS\(STRING\) = ($match_qstring), ($match_qstring)$/instance=\1\nclass=\3/p" \
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-e "s/^WM_WINDOW_ROLE\(STRING\) = ($match_qstring)$/window_role=\1/p" \
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-e "/^WM_NAME\(STRING\) = ($match_string)$/{s//title=\1/; h}" \
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-e "/^_NET_WM_NAME\(UTF8_STRING\) = ($match_qstring)$/{s//title=\1/; h}" \
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-e '${g; p}'
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} | sort | tr "\n" " " | sed -r 's/^(.*) $/[\1]\n/'
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