Small Edits trying to fix Sigsegv

include/JUI/Widgets/ContextMenu.hpp

@@ -60,7 +60,7 @@ namespace JUI {
 
     /// A vertically-descending list menu of button objects, which supports sub-menus much like class UtilityBar.
     /// @see UtilityBar
-    class ContextMenu  : public Rect, public TextStyleInterface {
+    class ContextMenu  : public Rect {
     public:
 
         void PropogateTextSize(int value) {
@@ -73,7 +73,7 @@ namespace JUI {
         }
 
         /// Sets the TextSize property for the child elements of this widget.
-        void TextSize(int value) override {
+        void TextSize(int value) {
             // TODO: This works fine for the ContextMenu, where children are assuemed to only by submenus and buttons.
             // Some widgets will need to be handled specially, because only some of their children are logically bound to it.
             PropogateTextSize(value);

src/JUI/Widgets/UtilityBar.cpp

@@ -30,7 +30,8 @@ namespace JUI {
         submenu->AnchorPoint({1, 0});
         submenu->Position({0_percent, 0_percent});
 
-        btn->OnClickEvent += [&] (auto a, auto b) mutable {
+
+        btn->OnClickEvent += [this, &submenu] (auto a, auto b) {
             submenu->Visible(true);
         };