Implemented view change and trash in file selector, and moved more file IO to SDL file IO

src/GUIStuff/Elements/MutableTextLabel.hpp

@@ -0,0 +1,15 @@
+#pragma once
+#include "Element.hpp"
+#include "Helpers/ConvertVec.hpp"
+
+namespace GUIStuff {
+
+class MutableTextLabel : public Element {
+    public:
+        MutableTextLabel(GUIManager& gui);
+        void layout(const Clay_ElementId& id, const std::string& text, Clay_TextElementConfig* textConfig);
+    private:
+        std::string oldText;
+};
+
+}