zwp_locked_pointer_v1::set_cursor_position_hint is unimplemented

[tadeokondrak]

Currently using this which works but is too hacky to PR:

Patch

diff --git a/src/ifs/wl_seat/zwp_pointer_constraints_v1.rs b/src/ifs/wl_seat/zwp_pointer_constraints_v1.rs
index 2c1b83b8..3267d5b6 100644
--- a/src/ifs/wl_seat/zwp_pointer_constraints_v1.rs
+++ b/src/ifs/wl_seat/zwp_pointer_constraints_v1.rs
@@ -61,6 +61,7 @@ pub struct SeatConstraint {
     pub one_shot: bool,
     pub status: Cell<SeatConstraintStatus>,
     pub ty: ConstraintType,
+    pub cursor_position_hint: Cell<Option<(Fixed, Fixed)>>,
 }
 
 impl SeatConstraint {
@@ -129,6 +130,17 @@ impl SeatConstraint {
         self.region.set(region);
         Ok(())
     }
+
+    fn warp_to_hint(&self) {
+        if let Some((x, y)) = self.cursor_position_hint.get() {
+            let surface_pos = self.surface.buffer_abs_pos.get();
+            self.seat.motion_event_abs(
+                0,
+                Fixed::from_int(surface_pos.x1()) + x,
+                Fixed::from_int(surface_pos.y1()) + y,
+            );
+        }
+    }
 }
 
 pub trait ConstraintOwner {
@@ -221,6 +233,7 @@ impl ZwpPointerConstraintsV1 {
             one_shot,
             status: Cell::new(SeatConstraintStatus::Inactive),
             ty,
+            cursor_position_hint: Cell::new(None),
         }))
     }
 }
diff --git a/src/ifs/wl_seat/zwp_pointer_constraints_v1/zwp_locked_pointer_v1.rs b/src/ifs/wl_seat/zwp_pointer_constraints_v1/zwp_locked_pointer_v1.rs
index 581df25c..0427e7dc 100644
--- a/src/ifs/wl_seat/zwp_pointer_constraints_v1/zwp_locked_pointer_v1.rs
+++ b/src/ifs/wl_seat/zwp_pointer_constraints_v1/zwp_locked_pointer_v1.rs
@@ -23,6 +23,7 @@ impl ZwpLockedPointerV1RequestHandler for ZwpLockedPointerV1 {
     type Error = ZwpLockedPointerV1Error;
 
     fn destroy(&self, _req: Destroy, _slf: &Rc<Self>) -> Result<(), Self::Error> {
+        self.constraint.warp_to_hint();
         self.constraint.detach();
         self.constraint.client.remove_obj(self)?;
         Ok(())
@@ -30,9 +31,10 @@ impl ZwpLockedPointerV1RequestHandler for ZwpLockedPointerV1 {
 
     fn set_cursor_position_hint(
         &self,
-        _req: SetCursorPositionHint,
+        req: SetCursorPositionHint,
         _slf: &Rc<Self>,
     ) -> Result<(), Self::Error> {
+        self.constraint.cursor_position_hint.set(Some((req.surface_x, req.surface_y)));
         Ok(())
     }