SDL_MessageBoxButtonData flags.
Defined in <SDL3/SDL_messagebox.h>
typedef Uint32 SDL_MessageBoxButtonFlags;
#define SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT 0x00000001u /**< Marks the default button when return is hit */
#define SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT 0x00000002u /**< Marks the default button when escape is hit */
This datatype is available since SDL 3.1.3.