bar can now toggle bluetooth power and discovery

include/components/popover.hpp

@@ -2,18 +2,17 @@
 
 #include <gtkmm/button.h>
 #include <gtkmm/popover.h>
-
 #include <string>
 
-class Popover: public Gtk::Button {
-public:
+class Popover : public Gtk::Button {
+  public:
     Popover(std::string icon, std::string name);
     ~Popover() override;
 
-protected:
+  protected:
     void on_toggle_window();
-    Gtk::Popover* popover = nullptr;
-    void set_popover_child(Gtk::Widget& child) {
+    Gtk::Popover *popover = nullptr;
+    void set_popover_child(Gtk::Widget &child) {
         gtk_popover_set_child(popover->gobj(), child.gobj());
     }
 };