Manpages - SDL_GetAppState.3

SDL_GetAppState - Get the state of the application

#include “SDL.h”

Uint8 SDL_GetAppState*(*void);

This function returns the current state of the application. The value returned is a bitwise combination of:

SDL_APPMOUSEFOCUS

The application has mouse focus.

SDL_APPINPUTFOCUS

The application has keyboard focus

SDL_APPACTIVE

The application is visible

SDL_ActiveEvent