Oled implementation (#1)

include/util/Event.h

@@ -7,44 +7,41 @@
 class Event;
 
 class CallbackHandle {
-  public:
-    CallbackHandle(Event *evt, int id) : evt(evt), id(id) {
-    }
-    ~CallbackHandle();
+public:
+  CallbackHandle(Event *evt, int id) : evt(evt), id(id) {}
+  ~CallbackHandle();
 
-  private:
-    Event *evt;
-    int id;
+private:
+  Event *evt;
+  int id;
 };
 
 class Event {
-  public:
-    using Callback = std::function<void()>;
+public:
+  using Callback = std::function<void()>;
 
-    CallbackHandle addListener(Callback cb) {
-        int id = nextId++;
-        callbacks[id] = std::move(cb);
-        return CallbackHandle(this, id);
-    }
+  CallbackHandle addListener(Callback cb) {
+    int id = nextId++;
+    callbacks[id] = std::move(cb);
+    return CallbackHandle(this, id);
+  }
 
-    void remove(int id) {
-        callbacks.erase(id);
-    }
+  void remove(int id) { callbacks.erase(id); }
 
-    void fire() {
-        for (auto &kv : callbacks)
-            kv.second();
-    }
+  void fire() {
+    for (auto &kv : callbacks)
+      kv.second();
+  }
 
-  private:
-    friend class CallbackHandle;
-    std::unordered_map<int, Callback> callbacks;
-    int nextId = 0;
+private:
+  friend class CallbackHandle;
+  std::unordered_map<int, Callback> callbacks;
+  int nextId = 0;
 };
 
 CallbackHandle::~CallbackHandle() {
-    if (evt)
-        evt->remove(id);
+  if (evt)
+    evt->remove(id);
 }
 
 #endif // CONTROL_EVENT_H