Only bind wl_seat up to version 6

CHANGELOG.md

@@ -2,6 +2,9 @@
 
 ## Unreleased
 
+- Only bind seat with version up to 6, as version 7 is not yet supported by SCTK
+  for loading keymaps
+
 ## 0.3.6 -- 2019-11-21
 
 - Perform loaded data normalization for text/plain;charset=utf-8 mime type

src/threaded.rs

@@ -216,7 +216,7 @@ fn clipboard_thread(
                     // Implement the seat
                     implement_seat(
                         id,
-                        version,
+                        std::cmp::min(version, 6), // only seat up to version 6 is supported
                         seat_map_clone.clone(),
                         last_seat_name_clone.clone(),
                         data_device_manager,
@@ -242,7 +242,7 @@ fn clipboard_thread(
                 for (id, version) in &unimplemented_seats {
                     implement_seat(
                         *id,
-                        *version,
+                        std::cmp::min(*version, 6), // only seat up to version 6 is supported
                         seat_map_clone.clone(),
                         last_seat_name_clone.clone(),
                         data_device_manager_clone.lock().unwrap().as_ref().unwrap(),