wayland: implement wl_touch

Co-authored-by: Julian Orth <ju.orth@gmail.com>

wire/jay_input.txt

@@ -114,6 +114,16 @@ request map_to_output {
     output: optstr,
 }
 
+request set_calibration_matrix (since = 4) {
+    id: u32,
+    m00: pod(f32),
+    m01: pod(f32),
+    m02: pod(f32),
+    m10: pod(f32),
+    m11: pod(f32),
+    m12: pod(f32),
+}
+
 # events
 
 event seat {
@@ -158,3 +168,12 @@ event input_device_output {
     id: u32,
     output: str,
 }
+
+event calibration_matrix (since = 4) {
+    m00: pod(f32),
+    m01: pod(f32),
+    m02: pod(f32),
+    m10: pod(f32),
+    m11: pod(f32),
+    m12: pod(f32),
+}

wire/jay_seat_events.txt

@@ -239,3 +239,31 @@ event tablet_pad_ring_frame {
     input_device: u32,
     ring: u32,
 }
+
+event touch_down {
+    seat: u32,
+    time_usec: pod(u64),
+    id: i32,
+    x: fixed,
+    y: fixed,
+}
+
+event touch_up {
+    seat: u32,
+    time_usec: pod(u64),
+    id: i32,
+}
+
+event touch_motion {
+    seat: u32,
+    time_usec: pod(u64),
+    id: i32,
+    x: fixed,
+    y: fixed,
+}
+
+event touch_cancel {
+    seat: u32,
+    time_usec: pod(u64),
+    id: i32,
+}

wire/wl_touch.txt

@@ -23,7 +23,7 @@ event up {
 
 event motion {
     time: u32,
-    id: u32,
+    id: i32,
     x: fixed,
     y: fixed,
 }