2 files changed, 28 insertions, 0 deletions
diff --git a/src/utils/id.rs b/src/utils/id.rs
new file mode 100644
index 00000000..3f8a2a7d
--- /dev/null
+++ b/src/utils/id.rs
@@ -0,0 +1,27 @@
+use std::sync::atomic::{AtomicU32, Ordering};
+
+/// Counter that returns unique IDs.
+///
+/// Under the hood it uses a `u32` that will eventually wrap around. When incrementing it once a
+/// second, it will wrap around after about 136 years.
+pub struct IdCounter {
+    value: AtomicU32,
+}
+
+impl IdCounter {
+    pub const fn new() -> Self {
+        Self {
+            value: AtomicU32::new(0),
+        }
+    }
+
+    pub fn next(&self) -> u32 {
+        self.value.fetch_add(1, Ordering::SeqCst)
+    }
+}
+
+impl Default for IdCounter {
+    fn default() -> Self {
+        Self::new()
+    }
+}
diff --git a/src/utils/mod.rs b/src/utils/mod.rs
index e9e56bcf..4902bd3a 100644
--- a/src/utils/mod.rs
+++ b/src/utils/mod.rs
@@ -14,6 +14,7 @@ use smithay::output::Output;
 use smithay::reexports::rustix::time::{clock_gettime, ClockId};
 use smithay::utils::{Logical, Point, Rectangle, Size};
 
+pub mod id;
 pub mod spawning;
 pub mod watcher;