stacked widget

tested and working

UI/ui_stacked_widget.hpp

@@ -0,0 +1,25 @@
+#ifndef UI_STACKED_WIDGET_HPP
+#define UI_STACKED_WIDGET_HPP
+
+#include "ui_item.hpp"
+#define UI_STACKED_WIDGET_TYPE std::string("ui_stacked_widget")
+
+class UI_stacked_widget : public UI_item
+{
+    Q_OBJECT
+  public:
+    explicit UI_stacked_widget(QObject *parent = nullptr);
+    UI_stacked_widget(size_t tab_count, size_t current_tab, QObject *parent = nullptr);
+
+    void set_selected(size_t selected) override;
+    size_t selected() const;
+    void advance_tab();
+
+    void from_json(const json &j) override;
+    json to_json(size_t id) const override;
+  private:
+    size_t m_tab_count;
+    size_t m_current_tab;
+};
+
+#endif // UI_STACKED_WIDGET_HPP