Add wl_touch support

Fixes #1

satellite/src/server/dispatch.rs

@@ -27,7 +27,7 @@ use wayland_server::{
     protocol::{
         wl_buffer::WlBuffer, wl_callback::WlCallback, wl_compositor::WlCompositor,
         wl_keyboard::WlKeyboard, wl_output::WlOutput, wl_pointer::WlPointer, wl_seat::WlSeat,
-        wl_shm::WlShm, wl_shm_pool::WlShmPool, wl_surface::WlSurface,
+        wl_shm::WlShm, wl_shm_pool::WlShmPool, wl_surface::WlSurface, wl_touch::WlTouch,
     },
     Dispatch, DisplayHandle, GlobalDispatch, Resource,
 };
@@ -313,6 +313,27 @@ impl<C: XConnection> Dispatch<WlKeyboard, ObjectKey> for ServerState<C> {
     }
 }
 
+impl<C: XConnection> Dispatch<WlTouch, ObjectKey> for ServerState<C> {
+    fn request(
+        state: &mut Self,
+        _: &wayland_server::Client,
+        _: &WlTouch,
+        request: <WlTouch as Resource>::Request,
+        key: &ObjectKey,
+        _: &DisplayHandle,
+        _: &mut wayland_server::DataInit<'_, Self>,
+    ) {
+        match request {
+            Request::<WlTouch>::Release => {
+                let Touch { client, .. }: &_ = state.objects[*key].as_ref();
+                client.release();
+                state.objects.remove(*key);
+            }
+            _ => unreachable!(),
+        }
+    }
+}
+
 impl<C: XConnection> Dispatch<WlSeat, ObjectKey> for ServerState<C> {
     fn request(
         state: &mut Self,
@@ -345,6 +366,16 @@ impl<C: XConnection> Dispatch<WlSeat, ObjectKey> for ServerState<C> {
                         Keyboard { client, server }.into()
                     });
             }
+            Request::<WlSeat>::GetTouch { id } => {
+                state
+                    .objects
+                    .insert_from_other_objects([*key], |[seat_obj], key| {
+                        let Seat { client, .. }: &Seat = seat_obj.try_into().unwrap();
+                        let client = client.get_touch(&state.qh, key);
+                        let server = data_init.init(id, key);
+                        Touch { client, server }.into()
+                    });
+            }
             other => warn!("unhandled seat request: {other:?}"),
         }
     }

satellite/src/server/event.rs

@@ -17,7 +17,7 @@ use wayland_protocols::{
 };
 use wayland_server::protocol::{
     wl_buffer::WlBuffer, wl_keyboard::WlKeyboard, wl_output::WlOutput, wl_pointer::WlPointer,
-    wl_seat::WlSeat,
+    wl_seat::WlSeat, wl_touch::WlTouch,
 };
 
 /// Lord forgive me, I am a sinner, who's probably gonna sin again
@@ -514,6 +514,47 @@ impl HandleEvent for Keyboard {
     }
 }
 
+pub type Touch = GenericObject<WlTouch, client::wl_touch::WlTouch>;
+impl HandleEvent for Touch {
+    type Event = client::wl_touch::Event;
+    fn handle_event<C: XConnection>(&mut self, event: Self::Event, state: &mut ServerState<C>) {
+        simple_event_shunt! {
+            self.server, event: client::wl_touch::Event => [
+                Down {
+                    serial,
+                    time,
+                    |surface| state.get_server_surface_from_client(surface),
+                    id,
+                    x,
+                    y
+                },
+                Up {
+                    serial,
+                    time,
+                    id
+                },
+                Motion {
+                    time,
+                    id,
+                    x,
+                    y
+                },
+                Frame,
+                Cancel,
+                Shape {
+                    id,
+                    major,
+                    minor
+                },
+                Orientation {
+                    id,
+                    orientation
+                }
+            ]
+        }
+    }
+}
+
 pub type Output = GenericObject<WlOutput, client::wl_output::WlOutput>;
 impl HandleEvent for Output {
     type Event = client::wl_output::Event;

satellite/src/server/mod.rs

@@ -295,7 +295,8 @@ pub(crate) enum Object {
     RelativePointer(RelativePointer),
     DmabufFeedback(DmabufFeedback),
     Drm(Drm),
-    XdgOutput(XdgOutput)
+    XdgOutput(XdgOutput),
+    Touch(Touch)
 }
 
 }