sqf: fix suggestions for eventhandler casing

libs/common/src/lib.rs

@@ -18,9 +18,13 @@ pub use sign_version::BISignVersion;
 #[must_use]
 /// Returns up to 3 similar values from a haystack.
 pub fn similar_values<'a>(search: &str, haystack: &'a [&str]) -> Vec<&'a str> {
-    let mut similar = haystack
+    let lower_case_haystack = haystack
         .iter()
-        .map(|v| (v, strsim::levenshtein(v, search)))
+        .map(|v| (*v, v.to_lowercase()))
+        .collect::<Vec<_>>();
+    let mut similar = lower_case_haystack
+        .iter()
+        .map(|(v, vl)| (v, strsim::levenshtein(vl.as_str(), &search.to_lowercase())))
         .collect::<Vec<_>>();
     similar.sort_by_key(|(_, v)| *v);
     similar.retain(|s| s.1 <= 3);

libs/sqf/tests/lints.rs

@@ -73,6 +73,7 @@ fn test_analyze(dir: &str) {
     };
 }
 
+analyze!(s02_event_handler_case);
 analyze!(s03_static_typename);
 analyze!(s04_command_case);
 analyze!(s05_if_assign);

libs/sqf/tests/lints/s02_event_handler_case/source.sqf

@@ -0,0 +1,3 @@
+_this ctrlAddEventHandler ["lbdblclick", {
+    systemChat "Double click!";
+}];

libs/sqf/tests/lints/s02_event_handler_case/stdout.ansi

@@ -0,0 +1,8 @@
+warning[L-S02UE]: Using `ctrlAddEventHandler` with unknown event `lbdblclick`
+  ┌─ source.sqf:1:28
+  │
+1 │ _this ctrlAddEventHandler ["lbdblclick", {
+  │                            ^^^^^^^^^^^^ unknown event `lbdblclick`
+  │
+  = help: Did you mean: `LBDblClick`?
+