D + Qt + QtDesigner

[thebluepandabear]

> We do agree that users want and really do need a lot of added 
> things for a UI to work effectively. Many of these features are 
> not obvious when you start designing a GUI library.


Hm, yeah. it seems like most major gui libraries (Qt, GTK) use 
OS-specific rendering instead of OpenGL. Not sure how viable a 
purely opengl gui library would be