int
SDL_EVDEV_Init(void)
{
int retval = 0;
if (_this == NULL) {
_this = (SDL_EVDEV_PrivateData *) SDL_calloc(1, sizeof(*_this));
if(_this == NULL) {
return SDL_OutOfMemory();
}
#if SDL_USE_LIBUDEV
if (SDL_UDEV_Init() < 0) {
SDL_free(_this);
_this = NULL;
return -1;
}
/* Set up the udev callback */
if ( SDL_UDEV_AddCallback(SDL_EVDEV_udev_callback) < 0) {
SDL_EVDEV_Quit();
return -1;
}
/* Force a scan to build the initial device list */
SDL_UDEV_Scan();
#else
/* TODO: Scan the devices manually, like a caveman */
#endif /* SDL_USE_LIBUDEV */
/* We need a physical terminal (not PTS) to be able to translate key code to symbols via the kernel tables */
_this->console_fd = SDL_EVDEV_get_console_fd();
/* Mute the keyboard so keystrokes only generate evdev events and do not leak through to the console */
_this->tty = STDIN_FILENO;
if (SDL_EVDEV_mute_keyboard(_this->tty, &_this->kb_mode) < 0) {
/* stdin is not a tty, probably we were launched remotely, so we try to disable the active tty */
_this->tty = SDL_EVDEV_get_active_tty();
if (_this->tty >= 0) {
if (SDL_EVDEV_mute_keyboard(_this->tty, &_this->kb_mode) < 0) {
close(_this->tty);
_this->tty = -1;
}
}
}
}
_this->ref_count += 1;
return retval;
}
static int
JoystickInitWithUdev(void)
{
if (SDL_UDEV_Init() < 0) {
return SDL_SetError("Could not initialize UDEV");
}
/* Set up the udev callback */
if (SDL_UDEV_AddCallback(joystick_udev_callback) < 0) {
SDL_UDEV_Quit();
return SDL_SetError("Could not set up joystick <-> udev callback");
}
/* Force a scan to build the initial device list */
SDL_UDEV_Scan();
return numjoysticks;
}
int
SDL_EVDEV_Init(void)
{
if (_this == NULL) {
_this = (SDL_EVDEV_PrivateData*)SDL_calloc(1, sizeof(*_this));
if (_this == NULL) {
return SDL_OutOfMemory();
}
#if SDL_USE_LIBUDEV
if (SDL_UDEV_Init() < 0) {
SDL_free(_this);
_this = NULL;
return -1;
}
/* Set up the udev callback */
if (SDL_UDEV_AddCallback(SDL_EVDEV_udev_callback) < 0) {
SDL_UDEV_Quit();
SDL_free(_this);
_this = NULL;
return -1;
}
/* Force a scan to build the initial device list */
SDL_UDEV_Scan();
#else
/* TODO: Scan the devices manually, like a caveman */
#endif /* SDL_USE_LIBUDEV */
_this->kbd = SDL_EVDEV_kbd_init();
}
_this->ref_count += 1;
return 0;
}