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#!/bin/sh
# Cycle display mode: mirror → laptop-off → side-by-side
# Bound to F7 in sway config
STATE_FILE="${XDG_RUNTIME_DIR:-/tmp}/display-mode"
CURRENT=$(cat "$STATE_FILE" 2>/dev/null || echo "mirror")
LAPTOP=$(swaymsg -t get_outputs -r | jq -r '.[] | select(.name | test("eDP")) | .name')
EXTERNAL=$(swaymsg -t get_outputs -r | jq -r '[.[] | select(.name | test("eDP") | not) | .name] | first // empty')
if [ -z "$EXTERNAL" ]; then
notify-send "Display" "No external display connected"
exit 0
fi
# Get laptop panel width for side-by-side positioning
LAPTOP_WIDTH=$(swaymsg -t get_outputs -r | jq -r ".[] | select(.name == \"$LAPTOP\") | .rect.width")
[ -z "$LAPTOP_WIDTH" ] && LAPTOP_WIDTH=1920
case "$CURRENT" in
mirror)
swaymsg output "$LAPTOP" disable
echo "laptop-off" > "$STATE_FILE"
notify-send "Display" "Laptop screen off"
;;
laptop-off)
swaymsg output "$LAPTOP" enable pos 0 0
swaymsg output "$EXTERNAL" pos "$LAPTOP_WIDTH" 0
echo "side-by-side" > "$STATE_FILE"
notify-send "Display" "Side by side"
;;
side-by-side|*)
swaymsg output "$LAPTOP" enable pos 0 0
swaymsg output "$EXTERNAL" pos 0 0
echo "mirror" > "$STATE_FILE"
notify-send "Display" "Mirror mode"
;;
esac
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