xcbOrg/Window: Destroy connections when no longer in use

senseApis/xcbWindow/xcbWindow.h

@@ -31,12 +31,12 @@ class AttachedWindow
 {
 public:
     AttachedWindow(const smo::device::SenseDeviceSpec& spec);
-    ~AttachedWindow() = default;
+    ~AttachedWindow();
 
     const smo::device::SenseDeviceSpec& getDeviceSpec() const { return deviceSpec; }
     const WindowSelector& getWindowSelector() const { return windowSelector; }
     const std::string& getActualWindowName() const { return actualWindowName; }
-    void* getXcbConnection() const { return xcbConnection; }
+    void* getXcbConnection() const { return xcbConnectionShared.get(); }
     std::string stringify() const;
 
 private:
@@ -47,7 +47,7 @@ private:
     smo::device::SenseDeviceSpec deviceSpec;
     WindowSelector windowSelector;
     std::string actualWindowName;
-    void* xcbConnection; // Raw pointer to XCB connection from libxcbXorg
+    std::shared_ptr<xcb_xorg::XcbConnection> xcbConnectionShared;
 };
 
 } // namespace xcb_window