clm: allow matching clients by id

src/criteria/clm/clm_matchers.rs

@@ -17,6 +17,7 @@ macro_rules! fixed_root_criterion {
     };
 }
 
+pub mod clmm_id;
 pub mod clmm_is_xwayland;
 pub mod clmm_pid;
 pub mod clmm_sandboxed;

src/criteria/clm/clm_matchers/clmm_id.rs

@@ -0,0 +1,19 @@
+use {
+    crate::{
+        client::{Client, ClientId},
+        criteria::{RootMatcherMap, clm::RootMatchers, crit_graph::CritRootCriterion},
+    },
+    std::rc::Rc,
+};
+
+pub struct ClmMatchId(pub ClientId);
+
+impl CritRootCriterion<Rc<Client>> for ClmMatchId {
+    fn matches(&self, data: &Rc<Client>) -> bool {
+        data.id == self.0
+    }
+
+    fn nodes(roots: &RootMatchers) -> Option<&RootMatcherMap<Rc<Client>, Self>> {
+        Some(&roots.id)
+    }
+}