widgets

include/gui/WidgetContainer.hpp

@@ -0,0 +1,30 @@
+#pragma once
+
+#include <vector>
+#include <memory>
+
+namespace mgl {
+    class Event;
+    class Window;
+}
+
+namespace gsr {
+    class Widget;
+
+    class WidgetContainer {
+    public:
+        static WidgetContainer& get_instance();
+
+        void add_widget(Widget *widget);
+        void remove_widget(Widget *widget);
+
+        void on_event(mgl::Event &event, mgl::Window &window);
+        void draw(mgl::Window &window);
+    private:
+        WidgetContainer() = default;
+        WidgetContainer& operator=(const WidgetContainer&) = delete;
+        WidgetContainer(const WidgetContainer&) = delete;
+    private:
+        std::vector<Widget*> widgets;
+    };
+}