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#!/usr/bin/env bash
# Toggles between standard and high-DPI settings for XFCE desktop environment.
set -euo pipefail
if ! command -v xfconf-query &>/dev/null; then
echo "Error: Requires xfconf-query (from xfce4-settings package)" >&2
exit 1
fi
: "${DPI_DEFAULT:=96}" # Standard DPI for <=1080p displays
: "${DPI_4K:=130}" # Typical DPI for 4K displays
_xfq() {
xfconf-query -c xsettings -p /Xft/DPI "$@"
}
main() {
local current_dpi
current_dpi=$(_xfq)
local next_dpi
case "$current_dpi" in
"$DPI_DEFAULT") next_dpi="$DPI_4K" ;;
"$DPI_4K") next_dpi="$DPI_DEFAULT" ;;
*)
echo "Warning: Current DPI ($current_dpi) not in toggle range. Preserving value." >&2
next_dpi="$current_dpi"
;;
esac
_xfq -s "$next_dpi"
}
main "$@"
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