qmk_firmware/keyboards/planck/keymaps/altgr/common/toggle_layout.h

// const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {

// ......................................................... Number Keypad Layer

  // .-----------------------------------------------------------------------------------.
  // |      |   F  |   E  |   D  |      |      |      |   /  |   7  |   8  |   9  |   *  |
  // |-----------------------------------------------------------------------------------|
  // |  GUI |   C  |   B  |   A  |      |      |      |   .  |   4  |   5  |   6  |   -  |
  // |-----------------------------------------------------------------------------------|
  // |      |   #  |   G  |   \  |      |      |      |   ,  |   1  |   2  |   3  |   +  |
  // |-----------------------------------------------------------------------------------|
  // |      |      |      |  f() | Space|      |      |   0  |   =  |      |      |      |
  // |      |      |      |  f() | Space|      |      |   =  |   0  |      |      |      |
  // '-----------------------------------------------------------------------------------'

  [_TTNUMBER] = LAYOUT_planck_grid(
    _______, KC_F,    MT_E,    KC_D,    _______, ___x___, ___x___, KC_SLSH, KC_7,    KC_8,    KC_9,    KC_ASTR,
    OS_GUI,  GT_C,    AT_B,    ST_A,    _______, ___x___, ___x___, TD_DOT,  KC_4,    KC_5,    KC_6,    KC_MINS,
    _______, KC_HASH, SM_G,    KC_BSLS, _______, ___x___, ___x___, TD_COMM, KC_1,    KC_2,    KC_3,    KC_PLUS,
#ifdef THUMB_0
    _______, _______, _______, TT_ESC,  KC_SPC,  _______, _______, KC_0,    LT_EQL,  _______, _______, _______
#else
    _______, _______, _______, TT_ESC,  KC_SPC,  _______, _______, KC_EQL,  LT_0,    _______, _______, _______
#endif
  ),

// ............ .................................................. Function Keys

  // .-----------------------------------------------------------------------------------.
  // |      |      |      |      |      |      |      |      |  F7  |  F8  |  F9  |  F12 |
  // |-----------------------------------------------------------------------------------|
  // |  GUI | Ctrl |  Alt | Shift|      |      |      |      |  F4  |  F5  |  F6  |  F11 |
  // |-----------------------------------------------------------------------------------|
  // |      |      |      |      |      |      |      |      |  F1  |  F2  |  F3  |  F10 |
  // |-----------------------------------------------------------------------------------|
  // |      |      |      |  f() |      |      |      |   +  |      |      |      |      |
  // '-----------------------------------------------------------------------------------'

  [_TTFNCKEY] = LAYOUT_planck_grid(
    _______, _______, _______, _______, _______, ___x___, ___x___, _______, KC_F7,   KC_F8,   KC_F9,   KC_F12 ,
    OS_GUI,  OS_CTL,  OS_ALT,  OS_SFT,  _______, ___x___, ___x___, _______, KC_F4,   KC_F5,   KC_F6,   KC_F11 ,
    _______, _______, _______, _______, _______, ___x___, ___x___, _______, KC_F1,   KC_F2,   KC_F3,   KC_F10 ,
    _______, _______, _______, TT_ESC,  _______, _______, _______, KC_PLUS, _______, _______, _______, _______
  ),

// ....................................................................... Regex

  // ,-----------------------------------------------------------------------------------.
  // |      |   ~  |   {  |   }  |   &  |      |      |   %  |   [  |   ]  |   @  |      |
  // |------+------+------+------+------+-------------+------+------+------+------+------|
  // |      |   ^  |   <  |   >  |   ?  |      |      |   |  |   (  |   )  |   $  |      |
  // |------+------+------+------+------+-------------+------+------+------+------+------|
  // |      |   :  |   !  |   =  |   /  |      |      |   \  |   *  |   .  |   #  |      |
  // |------+------+------+------+------+------+------+------+------+------+------+------|
  // |      |      |      |  f() |   -  |      |      |   +  | Space|      |      |      |
  // `-----------------------------------------------------------------------------------'

  [_TTREGEX] = LAYOUT_planck_grid(
    ___x___, KC_TILD, KC_LCBR, KC_RCBR, KC_AMPR, ___x___, ___x___, KC_PERC, KC_LBRC, KC_RBRC, KC_AT,   ___x___,
    ___x___, KC_CIRC, KC_LT,   KC_GT,   KC_QUES, ___x___, ___x___, KC_PIPE, KC_LPRN, KC_RPRN, KC_DLR,  ___x___,
    ___x___, KC_COLN, KC_EXLM, KC_EQL,  KC_SLSH, ___x___, ___x___, KC_BSLS, KC_ASTR, KC_DOT,  KC_HASH, ___x___,
    _______, _______, _______, TT_ESC,  KC_MINS, _______, _______, KC_PLUS, KC_SPC,  _______, _______, _______
  ),

// ............................................................ Navigation Layer

  // .-----------------------------------------------------------------------------------.
  // |      |      |      |      |      |      |      |      | Home |  Up  |  End | PgUp |
  // |-----------------------------------------------------------------------------------|
  // |  GUI | Ctrl |  Alt | Shift|      |      |      |      | Left | Down | Right| PgDn |
  // |-----------------------------------------------------------------------------------|
  // |      |      |      |      |      |      |      |      |      |      |      |      |
  // |-----------------------------------------------------------------------------------|
  // |      |      |      |  f() |      |      |      |      |      |      |      |      |
  // '-----------------------------------------------------------------------------------'

  [_TTCURSOR] = LAYOUT_planck_grid(
    _______, _______, _______, _______, _______, ___x___, ___x___, _______, KC_HOME, KC_UP,   KC_END,  KC_PGUP,
    OS_GUI,  OS_CTL,  OS_ALT,  OS_SFT,  _______, ___x___, ___x___, _______, KC_LEFT, KC_DOWN, KC_RGHT, KC_PGDN,
    _______, _______, _______, _______, _______, ___x___, ___x___, _______, _______, _______, _______, _______,
    _______, _______, _______, TT_ESC,  _______, _______, _______, _______, _______, _______, _______, _______
  ),

// ............................................................... Mouse Actions

  // .-----------------------------------------------------------------------------------.
  // |      |      |      |      |      |      |      |      | Left |  Up  | Right|  Up  |
  // |-----------------------------------------------------------------------------------|
  // |      | Btn3 | Btn2 | Btn1 |      |      |      |      | Left | Down | Right| Down |
  // |-----------------------------------------------------------------------------------|
  // |      |      |      |      |      |      |      |      |      |      |      |      |
  // |-----------------------------------------------------------------------------------|
  // |      |      |      |  f() |      |      |      |      |      |      |      |      |
  // '-----------------------------------------------------------------------------------'

  [_TTMOUSE] = LAYOUT_planck_grid(
    _______, _______, _______, _______, _______, ___x___, ___x___, _______, KC_WH_L, KC_MS_U, KC_WH_R, KC_WH_U,
    _______, KC_BTN3, KC_BTN2, KC_BTN1, _______, ___x___, ___x___, _______, KC_MS_L, KC_MS_D, KC_MS_R, KC_WH_D,
    _______, _______, _______, _______, _______, ___x___, ___x___, _______, _______, _______, _______, _______,
    _______, _______, _______, TT_ESC,  _______, _______, _______, _______, _______, _______, _______, _______
  ),