Display state change event data (event.display.*)
Defined in SDL_events.h
typedef struct SDL_DisplayEvent
{
Uint32 type; /**< SDL_DISPLAYEVENT */
Uint32 timestamp; /**< In milliseconds, populated using SDL_GetTicks() */
Uint32 display; /**< The associated display index */
Uint8 event; /**< SDL_DisplayEventID */
Uint8 padding1;
Uint8 padding2;
Uint8 padding3;
Sint32 data1; /**< event dependent data */
} SDL_DisplayEvent;