Hello

I compile and start the game, but when I try to "Select Renderer", then by clicking the "Select One" button I end the program.

Error: Shell widget menu has zero width and/or height

If I press "Cancel" it causes a Segfault:

Program received signal SIGSEGV, Segmentation fault.
0x00000000004053bd in Application::~Application() ()
(gdb) bt
#0 0x00000000004053bd in Application::~Application() ()
#1 0x00000000004031e2 in main ()