Function main

deps/SDL2/test/testgamecontroller.c:252–383

}

int
main(int argc, char *argv[])
{
    int i;
    int nController = 0;
    int retcode = 0;
    char guid[64];
    SDL_GameController *gamecontroller;

    /* Enable standard application logging */
    SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);

    /* Initialize SDL (Note: video is required to start event loop) */
    if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK | SDL_INIT_GAMECONTROLLER ) < 0) {
        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s\n", SDL_GetError());
        return 1;
    }
    
    SDL_GameControllerAddMappingsFromFile("gamecontrollerdb.txt");

    /* Print information about the mappings */
    if (!argv[1]) {
        SDL_Log("Supported mappings:\n");
        for (i = 0; i < SDL_GameControllerNumMappings(); ++i) {
            char *mapping = SDL_GameControllerMappingForIndex(i);
            if (mapping) {
                SDL_Log("\t%s\n", mapping);
                SDL_free(mapping);
            }
        }
        SDL_Log("\n");
    }

    /* Print information about the controller */
    for (i = 0; i < SDL_NumJoysticks(); ++i) {
        const char *name;
        const char *description;

        SDL_JoystickGetGUIDString(SDL_JoystickGetDeviceGUID(i),
                                  guid, sizeof (guid));

        if ( SDL_IsGameController(i) )
        {
            nController++;
            name = SDL_GameControllerNameForIndex(i);
            switch (SDL_GameControllerTypeForIndex(i)) {
            case SDL_CONTROLLER_TYPE_XBOX360:
                description = "XBox 360 Controller";
                break;
            case SDL_CONTROLLER_TYPE_XBOXONE:
                description = "XBox One Controller";
                break;
            case SDL_CONTROLLER_TYPE_PS3:
                description = "PS3 Controller";
                break;
            case SDL_CONTROLLER_TYPE_PS4:
                description = "PS4 Controller";
                break;