Support calibration-matrix in touch input config

niri-config/src/input.rs

@@ -371,6 +371,8 @@ pub struct Tablet {
 pub struct Touch {
     #[knuffel(child)]
     pub off: bool,
+    #[knuffel(child, unwrap(arguments))]
+    pub calibration_matrix: Option<Vec<f32>>,
     #[knuffel(child, unwrap(argument))]
     pub map_to_output: Option<String>,
 }

niri-config/src/lib.rs

@@ -993,6 +993,7 @@ mod tests {
                 },
                 touch: Touch {
                     off: false,
+                    calibration_matrix: None,
                     map_to_output: Some(
                         "eDP-1",
                     ),