tab widget

started working on implementation

UI/ui_tab_widget.hpp

@@ -0,0 +1,35 @@
+#ifndef UI_TAB_WIDGET_HPP
+#define UI_TAB_WIDGET_HPP
+
+#include "ui_item.hpp"
+
+#define UI_TAB_WIDGET_TYPE std::string("ui_tab_widget")
+
+class UI_tab_widget : public UI_item
+{
+    Q_OBJECT
+  public:
+    explicit UI_tab_widget(QObject *parent = nullptr);
+    UI_tab_widget(std::vector<std::string> tab_names, size_t selected = 0,
+                  QObject *parent = nullptr);
+
+    void set_selected(size_t selected) override;
+    size_t selected() const;
+
+    void set_visible(size_t index, bool visible);
+    bool visible(size_t index) const;
+
+    void set_tab_name(size_t index, std::string name);
+    std::string tab_name(size_t index) const;
+
+    void from_json(const json &j) override;
+    json to_json(size_t id) const override;
+  signals:
+    void selected(size_t index);
+  private:
+    size_t m_selected_tab;
+    std::vector<std::string> m_tab_names;
+    std::vector<bool> m_tab_visible;
+};
+
+#endif // UI_TAB_WIDGET_HPP