Add TabView header

include/JUI/Widgets/TabView.hpp

@@ -0,0 +1,32 @@
+/// Josh's User Interface Library
+/// A C++20 Library for creating, styling, and rendering of a UI/UX widgets.
+/// Developed and Maintained by Josh O'Leary @ Redacted Software.
+/// Special Thanks to William Tomasine II and Maxine Hayes.
+/// (c) 2025 Redacted Software
+/// This work is dedicated to the public domain.
+
+/// @file Collapsible.cpp
+/// @desc A rectangular widget with a
+/// @edit 2025-02-14
+#pragma once
+
+#include <JUI/Widgets/Rect.hpp>
+#include <JUI/Widgets/ListLayout.hpp>
+#include <JUI/Widgets/TextButton.hpp>
+
+// TODO: Each "Tab" needs its own content box.
+namespace JUI {
+    class TabView : public Rect {
+    public:
+        TabView();
+        explicit TabView(Widget* parent);
+        Rect* ContentBox();
+
+        void NextTab();
+        void PrevTab();
+        void FirstTab();
+        void LastTab();
+    protected:
+    private:
+    };
+}