support single keysym

src/daemon.rs

@@ -164,9 +164,6 @@ pub fn main() {
                         state_keysyms.push(key);
                     }
                 }
-                if state_modifiers.is_empty() {
-                    break;
-                }
                 log::debug!("state_modifiers: {:#?}", state_modifiers);
                 log::debug!("state_keysyms: {:#?}", state_keysyms);
                 log::debug!("hotkey: {:#?}", possible_hotkeys);