wayland: use code generation for wl_usr event handlers

wire/wl_data_offer.txt

@@ -27,10 +27,10 @@ event offer {
     mime_type: str,
 }
 
-event source_actions {
+event source_actions (since = 3) {
     source_actions: u32,
 }
 
-event action {
+event action (since = 3) {
     dnd_action: u32,
 }

wire/wl_data_source.txt

@@ -27,14 +27,14 @@ event cancelled {
 
 }
 
-event dnd_drop_performed {
+event dnd_drop_performed (since = 3) {
 
 }
 
-event dnd_finished {
+event dnd_finished (since = 3) {
 
 }
 
-event action {
+event action (since = 3) {
     dnd_action: u32,
 }

wire/wl_keyboard.txt

@@ -38,7 +38,7 @@ event modifiers {
     group: u32,
 }
 
-event repeat_info {
+event repeat_info (since = 4) {
     rate: i32,
     delay: i32,
 }

wire/wl_output.txt

@@ -24,18 +24,18 @@ event mode {
     refresh  : i32,
 }
 
-event done {
+event done (since = 2) {
 
 }
 
-event scale {
+event scale (since = 2) {
     factor: i32,
 }
 
-event name {
+event name (since = 4) {
     name: str,
 }
 
-event description {
+event description (since = 4) {
     description: str,
 }

wire/wl_pointer.txt

@@ -44,30 +44,30 @@ event axis {
     value: fixed,
 }
 
-event frame {
+event frame (since = 5) {
 
 }
 
-event axis_source {
+event axis_source (since = 5) {
     axis_source: u32,
 }
 
-event axis_stop {
+event axis_stop (since = 5) {
     time: u32,
     axis: u32,
 }
 
-event axis_discrete {
+event axis_discrete (since = 5) {
     axis: u32,
     discrete: i32,
 }
 
-event axis_value120 {
+event axis_value120 (since = 8) {
     axis: u32,
     value120: i32,
 }
 
-event axis_relative_direction {
+event axis_relative_direction (since = 9) {
     axis: u32,
     direction: u32,
 }

wire/wl_seat.txt

@@ -21,6 +21,6 @@ event capabilities {
     capabilities: u32,
 }
 
-event name {
+event name (since = 2) {
     name: str,
 }

wire/wl_surface.txt

@@ -61,10 +61,10 @@ event leave {
     output: id(wl_output),
 }
 
-event preferred_buffer_scale {
+event preferred_buffer_scale (since = 6) {
     factor: i32,
 }
 
-event preferred_buffer_transform {
+event preferred_buffer_transform (since = 6) {
     transform: u32,
 }

wire/wl_touch.txt

@@ -36,13 +36,13 @@ event cancel {
 
 }
 
-event shape {
+event shape (since = 6) {
     id: i32,
     major: fixed,
     minor: fixed,
 }
 
-event orientation {
+event orientation (since = 6) {
     id: i32,
     orientation: fixed,
 }

wire/xdg_popup.txt

@@ -25,6 +25,6 @@ event popup_done {
 
 }
 
-event repositioned {
+event repositioned (since = 3) {
     token: u32,
 }

wire/xdg_toplevel.txt

@@ -68,11 +68,11 @@ event configure {
 
 event close { }
 
-event configure_bounds {
+event configure_bounds (since = 4) {
     width: i32,
     height: i32,
 }
 
-event wm_capabilities {
+event wm_capabilities (since = 5) {
     capabilities: array(u32),
 }

wire/zwp_linux_dmabuf_v1.txt

@@ -21,7 +21,7 @@ event format {
     format: u32,
 }
 
-event modifier {
+event modifier (since = 3) {
     format: u32,
     modifier_hi: u32,
     modifier_lo: u32,

wire/zwp_pointer_gesture_hold_v1.txt

@@ -2,14 +2,14 @@ request destroy (since = 3) {
 
 }
 
-event begin {
+event begin (since = 3) {
     serial: u32,
     time: u32,
     surface: id(wl_surface),
     fingers: u32,
 }
 
-event end {
+event end (since = 3) {
     serial: u32,
     time: u32,
     cancelled: i32,

wire/zxdg_output_v1.txt

@@ -16,10 +16,10 @@ event logical_size {
 
 event done { }
 
-event name {
+event name (since = 2) {
     name: str,
 }
 
-event description {
+event description (since = 2) {
     description: str,
 }