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Harden live touchpad guard for XInput/libinput (Sam & Codex)

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Sam & Claude 2026-05-25 09:18:24 +02:00
parent 38226a7264
commit 6d010a5a8c
1 changed files with 32 additions and 6 deletions
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38
live/operator-session/clawdie-live-touchpad-guard
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@ -17,6 +17,28 @@ prop_id() {
awk -F '[()]' -v needle="$_needle" 'index($0, needle) { print $2; exit }'
}
set_prop_values() {
_id="$1"
_prop="$2"
shift 2
[ -n "$_prop" ] || return 0
xinput set-prop "$_id" "$_prop" "$@" >/dev/null 2>&1 || true
}
set_send_events_enabled() {
_id="$1"
_props="$2"
_prop="$(printf '%s\n' "$_props" | prop_id 'libinput Send Events Mode Enabled (')"
[ -n "$_prop" ] || return 0
# libinput exposes "disabled" modes here; all-zero means "send events".
# The tuple width varies, so try the common shapes in descending order.
xinput set-prop "$_id" "$_prop" 0 0 0 >/dev/null 2>&1 \
|| xinput set-prop "$_id" "$_prop" 0 0 >/dev/null 2>&1 \
|| xinput set-prop "$_id" "$_prop" 0 >/dev/null 2>&1 \
|| true
}
enable_touchpads_once() {
if ! command -v xinput >/dev/null 2>&1; then
log "xinput missing; cannot check touchpads"
@ -34,12 +56,16 @@ enable_touchpads_once() {
xinput enable "$_id" >/dev/null 2>&1 || true
_tap_prop="$(printf '%s\n' "$_props" | prop_id 'libinput Tapping Enabled (')"
if [ -n "$_tap_prop" ]; then
xinput set-prop "$_id" "$_tap_prop" 1 >/dev/null 2>&1 || true
fi
set_prop_values "$_id" "$_tap_prop" 1
_dwt_prop="$(printf '%s\n' "$_props" | prop_id 'libinput Disable While Typing Enabled (')"
set_prop_values "$_id" "$_dwt_prop" 0
set_send_events_enabled "$_id" "$_props"
_enabled="$(xinput list-props "$_id" 2>/dev/null | awk -F: '/Device Enabled/ { gsub(/^[[:space:]]+|[[:space:]]+$/, "", $2); print $2; exit }')"
log "touchpad ${_name}: Device Enabled=${_enabled:-unknown} tapping_prop=${_tap_prop:-none}"
_updated_props="$(xinput list-props "$_id" 2>/dev/null || true)"
_enabled="$(printf '%s\n' "$_updated_props" | awk -F: '/Device Enabled/ { gsub(/^[[:space:]]+|[[:space:]]+$/, "", $2); print $2; exit }')"
_send_events="$(printf '%s\n' "$_updated_props" | awk -F: '/libinput Send Events Mode Enabled/ { gsub(/^[[:space:]]+|[[:space:]]+$/, "", $2); print $2; exit }')"
_dwt_state="$(printf '%s\n' "$_updated_props" | awk -F: '/libinput Disable While Typing Enabled/ { gsub(/^[[:space:]]+|[[:space:]]+$/, "", $2); print $2; exit }')"
log "touchpad ${_name}: Device Enabled=${_enabled:-unknown} SendEvents=${_send_events:-unknown} DWT=${_dwt_state:-unknown} tapping_prop=${_tap_prop:-none}"
done
if [ "$_found" -eq 0 ]; then
@ -49,7 +75,7 @@ enable_touchpads_once() {
# Run multiple times because xfsettingsd and saved-session restoration can
# apply pointer settings after the session wrapper starts.
for _delay in 1 5 15; do
for _delay in 1 5 15 30; do
sleep "$_delay"
enable_touchpads_once
done