qmk-dactyl-manuform-a/users/dennytom/chording_engine/engine.part.1

163 lines
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enum chord_states {
IDLE,
READY,
ACTIVATED,
DEACTIVATED,
PRESS_FROM_ACTIVE,
FINISHED_FROM_ACTIVE,
IDLE_IN_DANCE,
READY_IN_DANCE,
FINISHED,
LOCKED,
READY_LOCKED,
RESTART,
IN_ONE_SHOT
};
struct Chord {
uint32_t keycodes_hash;
uint8_t pseudolayer;
uint8_t* state;
uint8_t* counter;
uint16_t value1;
uint8_t value2;
void (*function) (const struct Chord*);
};
uint8_t current_pseudolayer = DEFAULT_PSEUDOLAYER;
bool lock_next = false;
uint16_t chord_timer = 0;
uint16_t dance_timer = 0;
bool autoshift_mode = true;
uint8_t keycode_index = 0;
uint8_t command_mode = 0;
uint8_t command_ind = 0;
bool in_leader_mode = false;
uint8_t leader_ind = 0;
uint16_t leader_timer = 0;
uint8_t dynamic_macro_mode = false;
uint8_t dynamic_macro_ind = 0;
bool a_key_went_through = false;
struct Chord* last_chord = NULL;
bool handle_US_ANSI_shifted_keys(int16_t keycode, bool in) {
bool is_US_ANSI_shifted = true;
int16_t regular_keycode = KC_NO;
switch (keycode) {
case KC_TILDE:
regular_keycode = KC_GRAVE;
break;
case KC_EXCLAIM:
regular_keycode = KC_1;
break;
case KC_AT:
regular_keycode = KC_2;
break;
case KC_HASH:
regular_keycode = KC_3;
break;
case KC_DOLLAR:
regular_keycode = KC_4;
break;
case KC_PERCENT:
regular_keycode = KC_5;
break;
case KC_CIRCUMFLEX:
regular_keycode = KC_6;
break;
case KC_AMPERSAND:
regular_keycode = KC_7;
break;
case KC_ASTERISK:
regular_keycode = KC_8;
break;
case KC_LEFT_PAREN:
regular_keycode = KC_9;
break;
case KC_RIGHT_PAREN:
regular_keycode = KC_0;
break;
case KC_UNDERSCORE:
regular_keycode = KC_MINUS;
break;
case KC_PLUS:
regular_keycode = KC_EQUAL;
break;
case KC_LEFT_CURLY_BRACE:
regular_keycode = KC_LBRACKET;
break;
case KC_RIGHT_CURLY_BRACE:
regular_keycode = KC_RBRACKET;
break;
case KC_PIPE:
regular_keycode = KC_BSLASH;
break;
case KC_COLON:
regular_keycode = KC_SCOLON;
break;
case KC_DOUBLE_QUOTE:
regular_keycode = KC_QUOTE;
break;
case KC_LEFT_ANGLE_BRACKET:
regular_keycode = KC_COMMA;
break;
case KC_RIGHT_ANGLE_BRACKET:
regular_keycode = KC_DOT;
break;
case KC_QUESTION:
regular_keycode = KC_SLASH;
break;
default:
is_US_ANSI_shifted = false;
}
if (is_US_ANSI_shifted) {
if (in) {
register_code(KC_LSFT);
register_code(regular_keycode);
} else {
unregister_code(regular_keycode);
unregister_code(KC_LSFT);
}
}
return is_US_ANSI_shifted;
}
void key_in(int16_t keycode) {
if (command_mode == 1 && command_ind < COMMAND_MAX_LENGTH) {
command_buffer[command_ind] = keycode;
command_ind++;
a_key_went_through = true;
} else if (in_leader_mode && leader_ind < LEADER_MAX_LENGTH) {
leader_buffer[leader_ind] = keycode;
leader_ind++;
a_key_went_through = true;
} else if (dynamic_macro_mode && dynamic_macro_ind < DYNAMIC_MACRO_MAX_LENGTH) {
dynamic_macro_buffer[dynamic_macro_ind] = keycode;
dynamic_macro_ind++;
a_key_went_through = true;
} else {
if (!handle_US_ANSI_shifted_keys(keycode, true)) {
register_code(keycode);
}
send_keyboard_report();
a_key_went_through = true;
}
}
void key_out(int16_t keycode) {
if (command_mode == 0) {
if (!handle_US_ANSI_shifted_keys(keycode, false)) {
if (command_mode == 0 && in_leader_mode == false && dynamic_macro_mode == false) {
unregister_code(keycode);
}
}
send_keyboard_report();
}
}
void tap_key(int16_t keycode) {
key_in(keycode);
wait_ms(TAP_TIMEOUT);
key_out(keycode);
}