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Merge pull request #98 from outis1one/claude/gifted-bohr-dfzdig

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fix: reset Coordinate Transformation Matrix so touches land on correct screen coordinates
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Outis
2026-06-16 09:45:08 -04:00
committed by GitHub
parent c58addcecb 3315ccc44a
commit f7f1624e02
1 changed files with 7 additions and 4 deletions
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ubuntu-based-kiosk-v1.0.3.sh
+7 -4
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@@ -7346,11 +7346,14 @@ for i in {1..10}; do
sleep 1 sleep 1
done done
# Enable multi-touch gesture support for any detected touch screen # Fix touch device coordinate mapping and enable multi-touch gestures.
# Wacom devices require "Wacom Enable Touch Gesture" to be set (defaults to 0). # Loop over all touch/finger input devices (excludes touchpads).
# The set-prop call is silently ignored for non-Wacom devices that don't have this property.
# Excludes touchpads — only targets touch screens and finger-touch digitizers.
while IFS= read -r dev; do while IFS= read -r dev; do
# Reset Coordinate Transformation Matrix to identity — without this,
# the Wacom driver can initialise the CTM to all-zeros, which maps
# every touch to (0,0) on screen and makes the touchscreen appear dead.
xinput set-prop "$dev" "Coordinate Transformation Matrix" 1 0 0 0 1 0 0 0 1 2>/dev/null || true
# Enable multi-touch gesture mode (Wacom-specific; ignored by other drivers).
xinput set-prop "$dev" "Wacom Enable Touch Gesture" 1 2>/dev/null || true xinput set-prop "$dev" "Wacom Enable Touch Gesture" 1 2>/dev/null || true
done < <(xinput list --name-only 2>/dev/null | grep -i "touch\|finger" | grep -iv "touchpad\|trackpad") done < <(xinput list --name-only 2>/dev/null | grep -i "touch\|finger" | grep -iv "touchpad\|trackpad")