Start building mesh primitives.

src/ui_elements/CMakeLists.txt

@@ -16,6 +16,7 @@ list(APPEND ui_elements_LIB_INCLUDES
         ui_events/ResizeEvent.cpp
         widgets/Widget.cpp
         widgets/Button.cpp
+        widgets/ButtonGroup.cpp
         widgets/Label.cpp
         widgets/HorizontalSpacer.cpp
         widgets/VerticalSpacer.cpp

src/ui_elements/widgets/ButtonGroup.h

@@ -0,0 +1,23 @@
+#pragma once
+
+#include "Widget.h"
+
+class ButtonGroup : public Widget
+{
+public:
+
+    enum class Orientation
+    {
+        HORIZONTAL,
+        VERTICAL
+    };
+
+    ButtonGroup();
+
+    ~ButtonGroup();
+
+    static std::unique_ptr<ButtonGroup> Create();
+
+private:
+    bool mExclusiveActivation{true};
+};