/**
* Example strings:
* Key55
* Joy{uuid}/Button2
* Joy{uuid}/Hat0Dir3
*/
bool KeyBinding::FromString(const char *str, KeyBinding &kb)
{
const char *digits = "1234567890";
const char *p = str;
if (strcmp(p, "disabled") == 0) {
kb.Clear();
} else if (strncmp(p, "Key", 3) == 0) {
kb.type = KEYBOARD_KEY;
p += 3;
kb.u.keyboard.key = SDL_Keycode(atoi(p));
p += strspn(p, digits);
if (strncmp(p, "Mod", 3) == 0) {
p += 3;
kb.u.keyboard.mod = SDL_Keymod(atoi(p));
} else {
kb.u.keyboard.mod = KMOD_NONE;
}
} else if (strncmp(p, "Joy", 3) == 0) {
p += 3;
const int JoyUUIDLength = 33;
char joyUUIDBuf[JoyUUIDLength];
// read the UUID
if (!ReadToTok('/', &p, joyUUIDBuf, JoyUUIDLength)) {
return false;
}
// force terminate
joyUUIDBuf[JoyUUIDLength-1] = '\0';
// now, locate the internal ID.
int joy = Pi::JoystickFromGUIDString(joyUUIDBuf);
if (joy == -1) {
return false;
}
if (strncmp(p, "Button", 6) == 0) {
p += 6;
kb.type = JOYSTICK_BUTTON;
kb.u.joystickButton.joystick = joy;
kb.u.joystickButton.button = atoi(p);
} else if (strncmp(p, "Hat", 3) == 0) {
p += 3;
kb.type = JOYSTICK_HAT;
kb.u.joystickHat.joystick = joy;
kb.u.joystickHat.hat = atoi(p);
p += strspn(p, digits);
if (strncmp(p, "Dir", 3) != 0)
return false;
p += 3;
kb.u.joystickHat.direction = atoi(p);
} else
return false;
}
return true;
}
/**
* \brief Returns whether a keyboard key is currently down.
* \param key A keyboard key.
* \return \c true if this keyboard key is currently down.
*/
bool InputEvent::is_key_down(KeyboardKey key) {
int num_keys = 0;
const Uint8* keys_state = SDL_GetKeyboardState(&num_keys);
SDL_Scancode scan_code = SDL_GetScancodeFromKey(SDL_Keycode(key));
return keys_state[scan_code];
}
/**
* Exampe strings:
* Key55
* Joy0Button2
* Joy0Hat0Dir3
*/
bool KeyBindingFromString(const std::string &str, KeyBinding *kb)
{
const char *digits = "1234567890";
const char *p = str.c_str();
if (strncmp(p, "Key", 3) == 0) {
kb->type = KEYBOARD_KEY;
p += 3;
kb->u.keyboard.key = SDL_Keycode(atoi(p));
p += strspn(p, digits);
if (strncmp(p, "Mod", 3) == 0) {
p += 3;
kb->u.keyboard.mod = SDL_Keymod(atoi(p));
} else
kb->u.keyboard.mod = KMOD_NONE;
return true;
} else if (strncmp(p, "Joy", 3) == 0) {
p += 3;
int joy = atoi(p);
p += strspn(p, digits);
if (strncmp(p, "Button", 6) == 0) {
p += 6;
kb->type = JOYSTICK_BUTTON;
kb->u.joystickButton.joystick = joy;
kb->u.joystickButton.button = atoi(p);
return true;
} else if (strncmp(p, "Hat", 3) == 0) {
p += 3;
kb->type = JOYSTICK_HAT;
kb->u.joystickHat.joystick = joy;
kb->u.joystickHat.hat = atoi(p);
p += strspn(p, digits);
if (strncmp(p, "Dir", 3) != 0)
return false;
p += 3;
kb->u.joystickHat.direction = atoi(p);
return true;
}
return false;
}
return false;
}
/*!
** The keycodes we care about
**/
static inline void initKeycodes()
{
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_ESC, SDLK_ESCAPE));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_1, SDLK_1));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_2, SDLK_2));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_3, SDLK_3));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_4, SDLK_4));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_5, SDLK_5));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_6, SDLK_6));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_7, SDLK_7));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_8, SDLK_8));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_9, SDLK_9));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_0, SDLK_0));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_MINUS, SDLK_MINUS));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_EQUALS, SDLK_EQUALS));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_BACKSPACE, SDLK_BACKSPACE));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_TAB, SDLK_TAB));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_Q, SDLK_q));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_W, SDLK_w));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_E, SDLK_e));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_R, SDLK_r));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_T, SDLK_t));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_Y, SDLK_y));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_U, SDLK_u));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_I, SDLK_i));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_O, SDLK_o));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_P, SDLK_p));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_LBRACE, SDLK_LEFTBRACKET));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_RBRACE, SDLK_RIGHTBRACKET));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_RETURN, SDLK_RETURN));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_LCTRL, SDLK_LCTRL));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_A, SDLK_a));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_S, SDLK_s));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_D, SDLK_d));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_F, SDLK_f));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_G, SDLK_g));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_H, SDLK_h));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_J, SDLK_j));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_K, SDLK_k));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_L, SDLK_l));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_SEMICOLON, SDLK_SEMICOLON));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_QUOTE, SDLK_QUOTE));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_BACKQUOTE, SDLK_BACKQUOTE));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_LSHIFT, SDLK_LSHIFT));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_LMETA, SDLK_LGUI));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_LSUPER, SDLK_LGUI));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_BACKSLASH, SDLK_BACKSLASH));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_Z, SDLK_z));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_X, SDLK_x));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_C, SDLK_c));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_V, SDLK_v));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_B, SDLK_b));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_N, SDLK_n));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_M, SDLK_m));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_COMMA, SDLK_COMMA));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_FULLSTOP, SDLK_PERIOD));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_FORWARDSLASH, SDLK_SLASH));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_RSHIFT, SDLK_RSHIFT));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_RMETA, SDLK_RGUI));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_RSUPER, SDLK_RGUI));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_KP_STAR, SDLK_KP_MULTIPLY));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_LALT, SDLK_LALT));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_SPACE, SDLK_SPACE));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_CAPSLOCK, SDLK_CAPSLOCK));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_F1, SDLK_F1));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_F2, SDLK_F2));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_F3, SDLK_F3));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_F4, SDLK_F4));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_F5, SDLK_F5));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_F6, SDLK_F6));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_F7, SDLK_F7));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_F8, SDLK_F8));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_F9, SDLK_F9));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_F10, SDLK_F10));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_NUMLOCK, SDLK_NUMLOCKCLEAR));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_SCROLLLOCK, SDLK_SCROLLLOCK));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_KP_7, SDLK_KP_7));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_KP_8, SDLK_KP_8));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_KP_9, SDLK_KP_9));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_KP_MINUS, SDLK_KP_MINUS));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_KP_4, SDLK_KP_4));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_KP_5, SDLK_KP_5));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_KP_6, SDLK_KP_6));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_KP_PLUS, SDLK_KP_PLUS));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_KP_1, SDLK_KP_1));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_KP_2, SDLK_KP_2));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_KP_3, SDLK_KP_3));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_KP_0, SDLK_KP_0));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_KP_FULLSTOP, SDLK_KP_PERIOD));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_F11, SDLK_F11));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_F12, SDLK_F12));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_RCTRL, SDLK_RCTRL));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_KP_BACKSLASH, SDLK_KP_DIVIDE));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_RALT, SDLK_RALT));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_HOME, SDLK_HOME));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_UPARROW, SDLK_UP));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_PAGEUP, SDLK_PAGEUP));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_LEFTARROW, SDLK_LEFT));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_RIGHTARROW, SDLK_RIGHT));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_END, SDLK_END));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_DOWNARROW, SDLK_DOWN));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_PAGEDOWN, SDLK_PAGEDOWN));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_INSERT, SDLK_INSERT));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_DELETE, SDLK_DELETE));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_KPENTER, SDLK_KP_ENTER));
KEY_CODE_to_SDLKey.insert(std::pair<KEY_CODE, SDL_Keycode>(KEY_IGNORE, SDL_Keycode(5190)));
std::map<KEY_CODE, SDL_Keycode>::iterator it;
for (it = KEY_CODE_to_SDLKey.begin(); it != KEY_CODE_to_SDLKey.end(); it++)
{
SDLKey_to_KEY_CODE.insert(std::pair<SDL_Keycode, KEY_CODE>(it->second, it->first));
}
}
