Attempt to make modifier key changes take affect when the dialogue closes. This means you don't have to restart Fenrir to apply them.

internal/input/modifiers_test.go

@@ -94,3 +94,20 @@ func TestCapsLockScriptModifierKeepsShiftToggle(t *testing.T) {
 		t.Fatal("script chord toggled capitalization", got)
 	}
 }
+
+func TestModifierReconfigurationPreservesInstalledScriptBindings(t *testing.T) {
+	r := desktop_router(t)
+	if err := r.Configure_modifiers([]string{"KEY_INSERT"}, []string{"KEY_COMPOSE"}); err != nil {
+		t.Fatal(err)
+	}
+	if err := r.Configure_scripts([]string{"KEY_COMPOSE"}, []ScriptBinding{{ID: "script:example", Keys: []string{"KEY_SCRIPT", "KEY_U"}}}); err != nil {
+		t.Fatal(err)
+	}
+	if err := r.Configure_modifiers([]string{"KEY_META"}, []string{"KEY_CAPSLOCK"}); err != nil {
+		t.Fatal(err)
+	}
+	r.Key(0, KeyCapsLock, 1, false, false)
+	if got := r.Key(0, 22, 1, false, false); got.Command != "script:example" {
+		t.Fatal("script binding lost", got)
+	}
+}