class enums are just jank when trying to work with a bitset.

include/guecs/ui.hpp

@@ -25,16 +25,18 @@ namespace guecs {
       std::queue<size_t> free_indices;
     };
 
-  enum class ModBit {
+  namespace ModBit {
+    enum {
       NONE=0,
       hover=1,
       left=2,
       right=3
     };
+  }
 
   using Modifiers = std::bitset<16>;
 
-  constexpr const Modifiers NO_MODS{size_t(ModBit::NONE)};
+  constexpr const Modifiers NO_MODS{0};
 
   struct Clickable {
     /* This is actually called by UI::mouse and passed the entity ID of the