Assume empty config if no default is found

src/config.rs

@@ -30,7 +30,7 @@ pub struct RawConfig {
     pub settings: HashMap<String, String>,
 }
 
-#[derive(Debug, Clone)]
+#[derive(Default, Debug, Clone)]
 pub struct MappedModifiers {
     pub default: Vec<Key>,
     pub custom: Vec<Key>,
@@ -77,6 +77,16 @@ impl Config {
             mapped_modifiers,
         }
     }
+
+    pub fn new_empty(file_name: String) -> Self {
+        Self {
+            name: file_name,
+            bindings: Default::default(),
+            combinations: Default::default(),
+            settings: Default::default(),
+            mapped_modifiers: Default::default(),
+        }
+    }
 }
 
 fn parse_raw_config(raw_config: RawConfig) -> (Bindings, Combinations, HashMap<String, String>, MappedModifiers) {

src/udev_monitor.rs

@@ -91,6 +91,9 @@ pub fn launch_tasks(config_files: &Vec<Config>, tasks: &mut Vec<JoinHandle<()>>)
                 config_map.insert(window_class, config.clone());
             };
         }
+        if config_map.len() > 0 && !config_map.contains_key(&"default".to_string()) {
+            config_map.insert("default".to_string(), Config::new_empty(device.1.name().unwrap().replace("/", "")));
+        }
         let event_device = device.0.as_path().to_str().unwrap().to_string();
         if !config_map.is_empty() {
             let stream = Arc::new(Mutex::new(get_event_stream(Path::new(&event_device), config_map.clone())));