make bluetooth service singleton

include/widgets/bluetooth.hpp

@@ -1,14 +1,11 @@
 #pragma once
 
 #include <gtkmm/box.h>
+#include <gtkmm/button.h>
 
-#include "components/popover.hpp"
-
-#include "gtkmm/button.h"
-
-class BluetoothWidget : public Popover {
+class BluetoothWidget : public Gtk::Box {
   public:
-    BluetoothWidget(std::string icon, std::string title);
+    BluetoothWidget();
 
     void setPowerState(bool state);
     void setIsDiscovering(bool state);
@@ -17,19 +14,16 @@ class BluetoothWidget : public Popover {
     sigc::signal<void()> onIsDiscoveringButtonClickedSignal;
 
     void update();
+
   private:
-    bool isPowered = false;
+    bool isPowered     = false;
     bool isDiscovering = false;
 
-    Gtk::Box container;
     Gtk::Box statusArea;
-
-    Gtk::Box *deviceList = nullptr;
-
-    Gtk::Button *scanButton   = nullptr;
+    Gtk::Box *deviceList     = nullptr;
+    Gtk::Button *scanButton  = nullptr;
     Gtk::Button *powerButton = nullptr;
 
-
     void onPowerButtonClicked();
     void onScanButtonClicked();
 

include/widgets/controlCenter.hpp

@@ -0,0 +1,17 @@
+#pragma once
+
+#include "components/popover.hpp"
+#include "services/bluetooth.hpp"
+#include "widgets/bluetooth.hpp"
+#include "gtkmm/box.h"
+
+class ControlCenter : public Popover {
+    public:
+        ControlCenter(std::string icon, std::string name);
+    
+    private:
+        Gtk::Box container;
+
+        BluetoothWidget *bluetoothWidget = nullptr;
+        BluetoothService *bluetoothService = BluetoothService::getInstance();
+};