sdl2_gamepad_button_test.c

#include <stdio.h>
#include <stdlib.h>
#include <SDL2/SDL.h>

int main()
{
	SDL_GameController *controller;
	SDL_Event e;
	int quit;

	if (SDL_Init(SDL_INIT_GAMECONTROLLER) != 0)
	{
		printf("SDL_Init Error: %s\n", SDL_GetError()); 
		return 1;
	}
	if (SDL_NumJoysticks() == 0)
	{
		printf("No joysticks attached\n");
		return 1;
	}

	if (!SDL_IsGameController(0))
	{
		printf("Joystick 0 is not a game controller\n");
		return 1;
	}

	controller = SDL_GameControllerOpen(0);

	if (!controller)
	{
		printf("Unable to open game controller\n");
		return 1;
	}

	printf("Game controller: %s\n", SDL_GameControllerName(controller));


	quit = 0;
	while (!quit)
	{
		while (SDL_PollEvent(&e))
		{
			if (e.type == SDL_CONTROLLERBUTTONDOWN)
			{
				quit = 1;
				switch (e.cbutton.button)
				{
					case SDL_CONTROLLER_BUTTON_INVALID:
					printf("INVALID\n");
					break;
					
					case SDL_CONTROLLER_BUTTON_A:
					printf("A\n");
					break;
					
					case SDL_CONTROLLER_BUTTON_B:
					printf("B\n");
					break;
					
					case SDL_CONTROLLER_BUTTON_X:
					printf("X\n");
					break;
					
					case SDL_CONTROLLER_BUTTON_Y:
					printf("Y\n");
					break;
					
					case SDL_CONTROLLER_BUTTON_BACK:
					printf("BACK\n");
					break;
					
					case SDL_CONTROLLER_BUTTON_GUIDE:
					printf("GUIDE\n");
					break;				

					case SDL_CONTROLLER_BUTTON_START:
					printf("START\n");
					break;

					case SDL_CONTROLLER_BUTTON_LEFTSTICK:
					printf("LEFTSTICK\n");
					break;
					
					case SDL_CONTROLLER_BUTTON_RIGHTSTICK:
					printf("RIGHTSTICK\n");
					break;	

					case SDL_CONTROLLER_BUTTON_LEFTSHOULDER:
					printf("LEFTSHOULDER\n");
					break;		

					case SDL_CONTROLLER_BUTTON_RIGHTSHOULDER:
					printf("RIGHTSHOULDER\n");
					break;
					
					case SDL_CONTROLLER_BUTTON_DPAD_UP:
					printf("DPAD_UP\n");
					break;		

					case SDL_CONTROLLER_BUTTON_DPAD_DOWN:
					printf("DPAD_DOWN\n");
					break;	

					case SDL_CONTROLLER_BUTTON_DPAD_LEFT:
					printf("DPAD_LEFT\n");
					break;	

					case SDL_CONTROLLER_BUTTON_DPAD_RIGHT:
					printf("DPAD_RIGHT\n");
					break;	

					case SDL_CONTROLLER_BUTTON_MAX:
					printf("MAX\n");
					break;

					default:
					break;
				}
				printf("%d\n", e.cbutton.button);
			}
		}
	}

	SDL_GameControllerClose(controller);
	SDL_Quit();
	return 0;
}