C++ (Cpp) AG_KeyboardNew Examples

Example #1

File: drv_sdlgl.c Project: adsr/agar

static int
SDLGL_Open(void *obj, const char *spec)
{
	extern const AG_TimeOps agTimeOps_SDL;
	AG_Driver *drv = obj;
	AG_DriverSDLGL *sgl = obj;
	
	if (nDrivers != 0) {
		AG_SetError("Multiple SDL displays are not supported");
		return (-1);
	}

	/* Initialize SDL's video subsystem. */
	if (!initedSDL) {
		if (SDL_Init(0) == -1) {
			AG_SetError("SDL_Init() failed: %s", SDL_GetError());
			return (-1);
		}
		initedSDL = 1;
	}
	if (!SDL_WasInit(SDL_INIT_VIDEO)) {
		if (SDL_InitSubSystem(SDL_INIT_VIDEO) != 0) {
			AG_SetError("SDL_INIT_VIDEO failed: %s", SDL_GetError());
			return (-1);
		}
		initedSDLVideo = 1;
	}

	/* We can use SDL's time interface. */
	if (agTimeOps == &agTimeOps_dummy)
		AG_SetTimeOps(&agTimeOps_SDL);

	/* Initialize this driver instance. */
	if ((drv->mouse = AG_MouseNew(sgl, "SDL mouse")) == NULL ||
	    (drv->kbd = AG_KeyboardNew(sgl, "SDL keyboard")) == NULL) {
		goto fail;
	}
	sgl->outMode = AG_SDLGL_OUT_NONE;
	sgl->outPath = NULL;
	sgl->outFrame = 0;
	sgl->outLast = 0;
	sgl->outBuf = NULL;

	/* Configure the window caption */
	SDL_WM_SetCaption(agProgName, agProgName);

	nDrivers = 1;
	return (0);
fail:
	if (drv->kbd != NULL) {
		AG_ObjectDetach(drv->kbd);
		AG_ObjectDestroy(drv->kbd);
		drv->kbd = NULL;
	}
	if (drv->mouse != NULL) {
		AG_ObjectDetach(drv->mouse);
		AG_ObjectDestroy(drv->mouse);
		drv->mouse = NULL;
	}
	return (-1);
}

Example #2

File: drv_sdlgl.c Project: varialus/agar

static int
SDLGL_Open(void *obj, const char *spec)
{
	AG_Driver *drv = obj;
	AG_DriverSDLGL *sgl = obj;
	
	if (nDrivers != 0) {
		AG_SetError("Multiple SDL displays are not supported");
		return (-1);
	}

	/* Initialize SDL's video subsystem. */
	if (!initedSDL) {
		if (SDL_Init(0) == -1) {
			AG_SetError("SDL_Init() failed: %s", SDL_GetError());
			return (-1);
		}
		initedSDL = 1;
	}
	if (!SDL_WasInit(SDL_INIT_VIDEO)) {
		if (SDL_InitSubSystem(SDL_INIT_VIDEO) != 0) {
			AG_SetError("SDL_INIT_VIDEO failed: %s", SDL_GetError());
			return (-1);
		}
		initedSDLVideo = 1;
	}
#if 0
	/* Use SDL's time interface. */
	AG_SetTimeOps(&agTimeOps_SDL);
	AG_DestroyEventSubsystem();
	AG_InitEventSubsystem(AG_SOFT_TIMERS);
#endif
	/* Initialize this driver instance. */
	if ((drv->mouse = AG_MouseNew(sgl, "SDL mouse")) == NULL ||
	    (drv->kbd = AG_KeyboardNew(sgl, "SDL keyboard")) == NULL) {
		goto fail;
	}
	sgl->outMode = AG_SDLGL_OUT_NONE;
	sgl->outPath = NULL;
	sgl->outFrame = 0;
	sgl->outLast = 0;
	sgl->outBuf = NULL;

	/* Configure the window caption */
	if (agProgName != NULL)
		SDL_WM_SetCaption(agProgName, agProgName);

	/*
	 * TODO where AG_SINK_READ capability and pipes are available,
	 * could we create a separate thread running SDL_WaitEvent() and
	 * sending notifications over a pipe, instead of using a spinner?
	 */
	if ((sglEventSpinner = AG_AddEventSpinner(AG_SDL_EventSink, "%p", drv)) == NULL ||
	    (sglEventEpilogue = AG_AddEventEpilogue(AG_SDL_EventEpilogue, NULL)) == NULL)
		goto fail;

	/* Set up event filters for standard AG_EventLoop(). */
	nDrivers = 1;
	return (0);
fail:
	if (sglEventSpinner != NULL) { AG_DelEventSpinner(sglEventSpinner); sglEventSpinner = NULL; }
	if (sglEventEpilogue != NULL) { AG_DelEventEpilogue(sglEventEpilogue); sglEventEpilogue = NULL; }
	if (drv->kbd != NULL) { AG_ObjectDelete(drv->kbd); drv->kbd = NULL; }
	if (drv->mouse != NULL) { AG_ObjectDelete(drv->mouse); drv->mouse = NULL; }
	return (-1);
}