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#!/bin/sh
# Watch sway output events. When the set of connected external displays
# changes (plug/unplug), re-apply the preferred layout via display-toggle.sh.
# Manual F7 toggles don't trip this because they don't change external count.
set -eu
has_external() {
swaymsg -t get_outputs -r |
jq -e '[.[] | select(.name | test("^eDP") | not)] | length > 0' >/dev/null
}
prev=$(has_external && echo yes || echo no)
swaymsg -t subscribe -m '["output"]' | while read -r _; do
cur=$(has_external && echo yes || echo no)
if [ "$cur" != "$prev" ]; then
~/.config/sway/display-toggle.sh init
prev="$cur"
fi
done
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