qmk_firmware_custom/keyboards/rorschach/keymaps/insertsnideremarks/keymap.c

#include QMK_KEYBOARD_H

extern keymap_config_t keymap_config;

enum rorschach_layers {
  _COLEMAK,   // Colemak (default layer)
  _QWERTY,    // Qwerty
  _NUMBERS,   // Numbers & Symbols
  _NUMBERS2,  // Numbers & Function Keys (similar to _NUMBERS; used with _NUMBERS for tri-layer access to _ADJUST)
  _FUNCTION,  // Function
  _FUNCTION2, // Function 2 (identical as _FUNCTION; used to allow for easier use of space and backspace while using function layer arrows)
  _NUMPAD,    // Numpad
  _ADJUST,    // Adjust layer, accessed via tri-layer feature)
  _ADJUST2    // Second Adjust layer, accessed outside of tri-layer feature)
};

enum rorschach_keycodes {
  COLEMAK = SAFE_RANGE,
  QWERTY,
  NUMPAD = TG(_NUMPAD),
  ADJUST = MO(_ADJUST2),
  SPCFN  = LT(_FUNCTION, KC_SPC),
  BSPCFN = LT(_FUNCTION2, KC_BSPC),
  ENTNS  = LT(_NUMBERS, KC_ENT),
  DELNS  = LT(_NUMBERS2, KC_DEL),
  CTLESC = CTL_T(KC_ESC),
  ALTAPP = ALT_T(KC_APP),
  NKROTG = MAGIC_TOGGLE_NKRO,
};

#define _______ KC_TRNS
#define XXXXXXX KC_NO

//Tap Dance Declarations
enum {
  ADJ = 0,
  LBCB,
  RBCB,
  EQPL,
  PLEQ,
  MNUN,
  SLAS,
  GVTL,
  PPLEQ,
  PMNUN,
  PSLPAS
};

void dance_LAYER_finished(qk_tap_dance_state_t *state, void *user_data) {
  if (state->count == 2) {
     layer_on(_ADJUST2);
     set_oneshot_layer(_ADJUST2, ONESHOT_START);
  }
}
void dance_LAYER_reset(qk_tap_dance_state_t *state, void *user_data) {
  if (state->count == 2) {
     layer_off(_ADJUST2);
     clear_oneshot_layer_state(ONESHOT_PRESSED);
  }
}

qk_tap_dance_action_t tap_dance_actions[] = {
[ADJ]    = ACTION_TAP_DANCE_FN_ADVANCED(NULL, dance_LAYER_finished, dance_LAYER_reset),  //  Double-tap to activate Adjust layer via oneshot layer 
[LBCB]   = ACTION_TAP_DANCE_DOUBLE(KC_LBRC, KC_LCBR),  // Left bracket on a single-tap, left brace on a double-tap
[RBCB]   = ACTION_TAP_DANCE_DOUBLE(KC_RBRC, KC_RCBR),  // Right bracket on a single-tap, right brace on a double-tap
[EQPL]   = ACTION_TAP_DANCE_DOUBLE(KC_EQL, KC_PLUS),   // Plus sign on a single-tap, equal sign on a double-tap
[PLEQ]   = ACTION_TAP_DANCE_DOUBLE(KC_PLUS, KC_EQL),   // Equal sign on a single-tap, plus sign on a double-tap
[MNUN]   = ACTION_TAP_DANCE_DOUBLE(KC_MINS, KC_UNDS),  // Minus sign on a single-tap, underscore on a double-tap
[SLAS]   = ACTION_TAP_DANCE_DOUBLE(KC_SLSH, KC_ASTR),  // Slash in a single-tap, asterisk in a double-tap
[GVTL]   = ACTION_TAP_DANCE_DOUBLE(KC_GRV, KC_TILD),   // Grave on a single-tap, tilde on a double-tap
[PPLEQ]  = ACTION_TAP_DANCE_DOUBLE(KC_PPLS, KC_EQL),   // Numpad plus sign on a single-tap, equal sign on a double-tap
[PMNUN]  = ACTION_TAP_DANCE_DOUBLE(KC_PMNS, KC_UNDS),  // Numpad minus sign on a single-tap, underscore on a double-tap
[PSLPAS] = ACTION_TAP_DANCE_DOUBLE(KC_PSLS, KC_PAST)   // Numpad slash on a single-tap, numpad asterisk on a double-tap
};

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
/* Colemak
*  (Defauit layer; keys separated by /: tap for first, hold for second; uses Space Cadet Shifts)
*  ,-----------------------------------------------.                  ,-----------------------------------------------.
*  |  Tab  |   Q   |   W   |   F   |   P   |   G   |                  |   J   |   L   |   U   |   Y   |   ;   |   \   |
*  |-------+-------+-------+-------+-------+-------|                  |-------+-------+-------+-------+-------+-------|
*  |Esc/Ctl|   A   |   R   |   S   |   T   |   D   |                  |   H   |   N   |   E   |   I   |   O   |   '   |
*  |-------+-------+-------+-------+-------+-------|                  |-------+-------+-------+-------+-------+-------|
*  | SC Sft|   Z   |   X   |   C   |   V   |   B   |                  |   K   |   M   |   ,   |   .   |   /   | SC Sft|
*  |-------+-------+-------+-------+-------+-------|                  |-------+-------+-------+-------+-------+-------'
*  |  Ins  |   `   |   [   |   ]   |App/Alt| Spc/FN|                  |Bsp/Fn2|  RGUI |  Left |  Down |   Up  | Right |
*  `---------------------------------------+-------+-------.  ,-------+-------+---------------------------------------'
*                                          | Ent/NS|  Bspc |  | Enter |Del/NS2|
*                                          `---------------'  `---------------'    
*/
[_COLEMAK] = LAYOUT(
  KC_TAB,  KC_Q,   KC_W,    KC_F,    KC_P,   KC_G,                    KC_J,   KC_L,    KC_U,    KC_Y,    KC_SCLN, KC_BSLS,
  CTLESC,  KC_A,   KC_R,    KC_S,    KC_T,   KC_D,                    KC_H,   KC_N,    KC_E,    KC_I,    KC_O,    KC_QUOT,
  KC_LSPO, KC_Z,   KC_X,    KC_C,    KC_V,   KC_B,                    KC_K,   KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSPC,
  KC_INS,  KC_GRV, KC_LBRC, KC_RBRC, ALTAPP, SPCFN,                   BSPCFN, KC_RGUI, KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT,
                                             ENTNS, KC_BSPC,  KC_ENT, DELNS
),
  
/* QWERTY
*  (Keys separated by /: tap for first, hold for second; uses Space Cadet Shifts)
*  ,-----------------------------------------------.                  ,-----------------------------------------------.
*  |  Tab  |   Q   |   W   |   E   |   R   |   T   |                  |   Y   |   U   |   I   |   O   |   P   |   \   |
*  |-------+-------+-------+-------+-------+-------|                  |-------+-------+-------+-------+-------+-------|
*  |Esc/Ctl|   A   |   S   |   D   |   F   |   G   |                  |   H   |   J   |   K   |   L   |   ;   |   '   |
*  |-------+-------+-------+-------+-------+-------|                  |-------+-------+-------+-------+-------+-------|
*  | SC Sft|   Z   |   X   |   C   |   V   |   B   |                  |   N   |   M   |   ,   |   .   |   /   | SC Sft|
*  |-------+-------+-------+-------+-------+-------|                  |-------+-------+-------+-------+-------+-------'
*  |  Ins  |   `   |   [   |   ]   |App/Alt| Spc/FN|                  |Bsp/Fn2|  RGUI |  Left |  Down |   Up  | Right |
*  `---------------------------------------+-------+-------.  ,-------+-------+---------------------------------------'
*                                          | Ent/NS|  Bspc |  | Enter |Del/NS2|
*                                          `---------------'  `---------------'    
*/
[_QWERTY] = LAYOUT(
  KC_TAB,  KC_Q,   KC_W,    KC_E,    KC_R,   KC_T,                    KC_Y,   KC_U,    KC_I,    KC_O,    KC_P,    KC_BSLS,
  CTLESC,  KC_A,   KC_S,    KC_D,    KC_F,   KC_G,                    KC_H,   KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT,
  KC_LSPO, KC_Z,   KC_X,    KC_C,    KC_V,   KC_B,                    KC_N,   KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSPC,
  KC_INS,  KC_GRV, KC_LBRC, KC_RBRC, ALTAPP, SPCFN,                   BSPCFN, KC_RGUI, KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT,
                                             ENTNS, KC_BSPC,  KC_ENT, DELNS
),

/* Number/symbol layer
*  (Multiple characters: single-tap for first, double-tap for second)
*  ,-----------------------------------------------.                  ,-----------------------------------------------.
*  |       |   6   |   7   |   8   |   9   |   0   |                  |   ^   |   &   |   *   |   (   |   )   |       |
*  |-------+-------+-------+-------+-------+-------|                  |-------+-------+-------+-------+-------+-------|
*  |       |   1   |   2   |   3   |   4   |   5   |                  |   !   |   @   |   #   |   $   |   %   |       |
*  |-------+-------+-------+-------+-------+-------|                  |-------+-------+-------+-------+-------+-------|
*  |       |       |   .   |  / *  |  - _  |  + =  |                  |  ` ~  |  [ {  |  ] }  |       |       |       |
*  |-------+-------+-------+-------+-------+-------|                  |-------+-------+-------+-------+-------+-------'
*  |   (   |   )   |  [ {  |  ] }  |       |       |                  |       |       |       |       |       |       |
*  `---------------------------------------+-------+-------.  ,-------+-------+---------------------------------------'
*                                          |       |       |  |       |       |
*                                          `---------------'  `---------------'    
*/
[_NUMBERS] = LAYOUT(
  _______, KC_6,    KC_7,     KC_8,     KC_9,     KC_0,                       KC_CIRC,  KC_AMPR,  KC_ASTR,  KC_LPRN, KC_RPRN, _______, 
  _______, KC_1,    KC_2,     KC_3,     KC_4,     KC_5,                       KC_EXLM,  KC_AT,    KC_HASH,  KC_DLR,  KC_PERC, _______, 
  _______, _______, KC_DOT,   TD(SLAS), TD(MNUN), TD(PLEQ),                   TD(GVTL), TD(LBCB), TD(RBCB), _______, _______, _______,
  KC_LPRN, KC_RPRN, TD(LBCB), TD(RBCB), _______,  _______,                    _______,  _______,  _______,  _______, _______, _______,
                                                  _______, _______,  _______, _______
), 

/* Number/Function Key layer
*  (Multiple characters: single-tap for first, double-tap for second)
*  ,-----------------------------------------------.                  ,-----------------------------------------------.
*  |       |   6   |   7   |   8   |   9   |   0   |                  |   F7  |   F8  |   F9  |   F10 |   F11 |   F12 |
*  |-------+-------+-------+-------+-------+-------|                  |-------+-------+-------+-------+-------+-------|
*  |       |   1   |   2   |   3   |   4   |   5   |                  |   F1  |   F2  |   F3  |   F4  |   F5  |   F6  |
*  |-------+-------+-------+-------+-------+-------|                  |-------+-------+-------+-------+-------+-------|
*  |       |       |   .   |  / *  |  - _  |  + =  |                  |  ` ~  |  [ {  |  ] }  |       |       |       |
*  |-------+-------+-------+-------+-------+-------|                  |-------+-------+-------+-------+-------+-------'
*  |   (   |   )   |  [ {  |  ] }  |       |       |                  |       |       |       |       |       |       |
*  `---------------------------------------+-------+-------.  ,-------+-------+---------------------------------------'
*                                          |       |       |  |       |       |
*                                          `---------------'  `---------------'    
*/
[_NUMBERS2] = LAYOUT(
  _______, KC_6,    KC_7,     KC_8,     KC_9,     KC_0,                       KC_F7,    KC_F8,    KC_F9,    KC_F10,  KC_F11,  KC_F12, 
  _______, KC_1,    KC_2,     KC_3,     KC_4,     KC_5,                       KC_F1,    KC_F2,    KC_F3,    KC_F4,   KC_F5,   KC_F6, 
  _______, _______, KC_DOT,   TD(SLAS), TD(MNUN), TD(PLEQ),                   TD(GVTL), TD(LBCB), TD(RBCB), _______, _______, _______,
  KC_LPRN, KC_RPRN, TD(LBCB), TD(RBCB), _______,  _______,                    _______,  _______,  _______,  _______, _______, _______,
                                                  _______, _______,  _______, _______
), 

/* Function layer
*  ,-----------------------------------------------.                  ,-----------------------------------------------.
*  |       |       |       |   Up  |       |       |                  |       |       |   Up  | Ctrl+Y|       |       |
*  |-------+-------+-------+-------+-------+-------|                  |-------+-------+-------+-------+-------+-------|
*  |       | Ctrl+A|  Left |  Down | Right |C+A+Tab|                  |  PgUp | Right |  Down |  Left |  Home |       |
*  |-------+-------+-------+-------+-------+-------|                  |-------+-------+-------+-------+-------+-------|
*  |       | Ctrl+Z| Ctrl+X| Ctrl+C| Ctrl+V|  Bspc |                  |  PgDn |  Mute |  Vol- |  Vol+ |  End  |       |
*  |-------+-------+-------+-------+-------+-------|                  |-------+-------+-------+-------+-------+-------'
*  |       |       |       |       |       |       |                  |       |       |  Prev |  Play |  Next |  Stop |
*  `---------------------------------------+-------+-------.  ,-------+-------+---------------------------------------'
*                                          |       |       |  |       |       |
*                                          `---------------'  `---------------'    
*/
[_FUNCTION] = LAYOUT(
  _______, _______,    _______,    KC_UP,      _______,    _______,                    _______, _______, KC_UP,   LCTL(KC_Y), _______, _______, 
  _______, LCTL(KC_A), KC_LEFT,    KC_DOWN,    KC_RGHT,    LCA(KC_TAB),                KC_PGUP, KC_LEFT, KC_DOWN, KC_RGHT,    KC_HOME, _______,
  _______, LCTL(KC_Z), LCTL(KC_X), LCTL(KC_C), LCTL(KC_V), KC_BSPC,                    KC_PGDN, KC_MUTE, KC_VOLD, KC_VOLU,    KC_END,  _______,
  _______, _______,    _______,    _______,    _______,    _______,                    _______, _______, KC_MPRV, KC_MPLY,    KC_MNXT, KC_MSTP,
                                                           _______, _______,  _______, _______
), 

[_FUNCTION2] = LAYOUT(
  _______, _______,    _______,    KC_UP,      _______,    _______,                    _______, _______, KC_UP,   LCTL(KC_Y), _______, _______, 
  _______, LCTL(KC_A), KC_LEFT,    KC_DOWN,    KC_RGHT,    LCA(KC_TAB),                KC_PGUP, KC_LEFT, KC_DOWN, KC_RGHT,    KC_HOME, _______,
  _______, LCTL(KC_Z), LCTL(KC_X), LCTL(KC_C), LCTL(KC_V), KC_BSPC,                    KC_PGDN, KC_MUTE, KC_VOLD, KC_VOLU,    KC_END,  _______,
  _______, _______,    _______,    _______,    _______,    _______,                    _______, _______, KC_MPRV, KC_MPLY,    KC_MNXT, KC_MSTP,
                                                           _______, _______,  _______, _______
), 

/* Numpad layer
*  (Left side duplicates layout from the Numbers layer, just with numpad output; right side layout close to PC numpad layout)
*  ,-----------------------------------------------.                  ,-----------------------------------------------.
*  |       |  KP 6 |  KP 7 |  KP 8 |  KP 9 |  KP 0 |                  | NumLk |  KP 7 |  KP 8 |  KP 9 |  KP / |       |
*  |-------+-------+-------+-------+-------+-------|                  |-------+-------+-------+-------+-------+-------|
*  |       |  KP 1 |  KP 2 |  KP 3 |  KP 4 |  KP 5 |                  |  Tab  |  KP 4 |  KP 5 |  KP 6 |  KP * |       |
*  |-------+-------+-------+-------+-------+-------|                  |-------+-------+-------+-------+-------+-------|
*  |       | NumLk |  KP . |KP/ KP*| KP- _ | KP+ = |                  |       |  KP 1 |  KP 2 |  KP 3 |  KP - |       |
*  |-------+-------+-------+-------+-------+-------|                  |-------+-------+-------+-------+-------+-------'
*  |   (   |   )   |  [ {  |  ] }  |       |       |                  |       |  KP 0 |   =   |  KP . |  KP + |       |
*  `---------------------------------------+-------+-------.  ,-------+-------+---------------------------------------'
*                                          |       |       |  | KP Ent|       |
*                                          `---------------'  `---------------'    
*/
[_NUMPAD] = LAYOUT(
  _______, KC_P6,   KC_P7,    KC_P8,      KC_P9,     KC_P0,                      KC_NLCK, KC_P7, KC_P8,  KC_P9,   KC_PSLS, _______, 
  _______, KC_P1,   KC_P2,    KC_P3,      KC_P4,     KC_P5,                      KC_TAB,  KC_P4, KC_P5,  KC_P6,   KC_PAST, _______, 
  _______, KC_NLCK, KC_PDOT,  TD(PSLPAS), TD(PMNUN), TD(PPLEQ),                  _______, KC_P1, KC_P2,  KC_P3,   KC_PMNS, _______,
  KC_LPRN, KC_RPRN, TD(LBCB), TD(RBCB),   _______,   _______,                    _______, KC_P0, KC_EQL, KC_PDOT, KC_PPLS, _______,
                                                     _______, _______,  KC_PENT, _______
),

/* Adjust layer
*  (Enter/Number + Delete/Number2 to access; Numpad is a toggle)
*  ,-----------------------------------------------.                  ,-----------------------------------------------.
*  |       |Colemak| Qwerty|       |       |       |                  | Numpad|       |       | Ctrl+Y|       | RESET |
*  |-------+-------+-------+-------+-------+-------|                  |-------+-------+-------+-------+-------+-------|
*  |       |       |       |       |       |       |                  |       |NKROTog|       |       |       |       |
*  |-------+-------+-------+-------+-------+-------|                  |-------+-------+-------+-------+-------+-------|
*  |       |       |       |       |       |       |                  |       |       |       |       |       |       |
*  |-------+-------+-------+-------+-------+-------|                  |-------+-------+-------+-------+-------+-------'
*  |       |       |       |       |       |       |                  |       |       |       |       |       |       |
*  `---------------------------------------+-------+-------.  ,-------+-------+---------------------------------------'
*                                          |       |       |  |       |       |
*                                          `---------------'  `---------------'    
*/
[_ADJUST] = LAYOUT(
  _______, COLEMAK,  QWERTY, _______, _______, _______,                    NUMPAD,  _______, _______, _______, _______, RESET, 
  _______, _______, _______, _______, _______, _______,                    _______, NKROTG,  _______, _______, _______, _______,
  _______, _______, _______, _______, _______, _______,                    _______, _______, _______, _______, _______, _______,
  _______, _______, _______, _______, _______, _______,                    _______, _______, _______, _______, _______, _______,
                                               _______, _______,  _______, _______
), 

[_ADJUST2] = LAYOUT(
  _______, COLEMAK,  QWERTY, _______, _______, _______,                    NUMPAD,  _______, _______, _______, _______, RESET, 
  _______, _______, _______, _______, _______, _______,                    _______, NKROTG,  _______, _______, _______, _______,
  _______, _______, _______, _______, _______, _______,                    _______, _______, _______, _______, _______, _______,
  _______, _______, _______, _______, _______, _______,                    _______, _______, _______, _______, _______, _______,
                                               _______, _______,  _______, _______
)
 
};

uint32_t layer_state_set_user(uint32_t state) {
  return update_tri_layer_state(state, _NUMBERS, _NUMBERS2, _ADJUST);
}

void persistent_default_layer_set(uint16_t default_layer) {
  eeconfig_update_default_layer(default_layer);
  default_layer_set(default_layer);
}

bool process_record_user(uint16_t keycode, keyrecord_t *record) {
  switch (keycode) {
    case COLEMAK:
      if (record->event.pressed) {
        persistent_default_layer_set(1UL << _COLEMAK);
        layer_off ( _QWERTY);
        layer_off ( _NUMBERS);
        layer_off ( _NUMBERS2);
        layer_off ( _FUNCTION);
        layer_off ( _FUNCTION2);
        layer_off ( _NUMPAD);
        layer_off ( _ADJUST);
		layer_off ( _ADJUST2);
      }
      return false;
      break;
    case QWERTY:
      if (record->event.pressed) {
        persistent_default_layer_set(1UL << _QWERTY);
        layer_off ( _COLEMAK);
        layer_off ( _NUMBERS);
        layer_off ( _NUMBERS2);
        layer_off ( _FUNCTION);
        layer_off ( _FUNCTION2);
        layer_off ( _NUMPAD);
        layer_off ( _ADJUST);
		layer_off ( _ADJUST2);
      }
      return false;
      break;
  }
  return true;
}