refs #227, view/model for client class

* model
* view
* and GUI component which now encapsulates the user table view

src/blackgui/usercomponent.h

@@ -0,0 +1,43 @@
+#ifndef BLACKGUI_USERCOMPONENT_H
+#define BLACKGUI_USERCOMPONENT_H
+
+#include "blackgui/runtimebasedcomponent.h"
+#include "blackmisc/nwuserlist.h"
+
+#include <QTabWidget>
+#include <QTimer>
+
+namespace Ui { class CUserComponent; }
+
+namespace BlackGui
+{
+
+    //! User componenet (users, clients)
+    class CUserComponent : public QTabWidget, public CRuntimeBasedComponent
+    {
+        Q_OBJECT
+
+    public:
+        //! Constructor
+        explicit CUserComponent(QWidget *parent = nullptr);
+
+        //! Destructor
+        ~CUserComponent();
+
+    public slots:
+        //! Update users
+        void update();
+
+        //! Update time, time < 100 stops updates
+        void setUpdateInterval(int milliSeconds);
+
+        //! Update time
+        void setUpdateIntervalSeconds(int seconds) { this->setUpdateInterval(1000 * seconds); }
+
+    private:
+        Ui::CUserComponent *ui;
+        QTimer *m_timer;
+    };
+}
+
+#endif // guard