tmk_keyboard/keyboard/gh60/keymap_poker_set.h

// Poker fix with set(state transition)
// Fn + Esc = `
// Fn + {left, down, up, right}  = {home, pgdown, pgup, end}
static const uint8_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
    /* Keymap 0: qwerty */
    KEYMAP_ANSI(
        GRV, 1,   2,   3,   4,   5,   6,   7,   8,   9,   0,   MINS,EQL, BSPC, \
        TAB, Q,   W,   E,   R,   T,   Y,   U,   I,   O,   P,   LBRC,RBRC,BSLS, \
        LCTL,A,   S,   D,   F,   G,   H,   J,   K,   L,   SCLN,QUOT,     ENT,  \
        LSFT,Z,   X,   C,   V,   B,   N,   M,   COMM,DOT, SLSH,          RSFT, \
        LCTL,LGUI,LALT,          SPC,                     FN0, RGUI,APP, RCTL),
};
static const uint8_t PROGMEM overlays[][MATRIX_ROWS][MATRIX_COLS] = {
    /* Overlay 0: Poker with Arrow */
    KEYMAP_ANSI(
        TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS, \
        TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS, \
        TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,     TRNS, \
        TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,          UP,   \
        TRNS,TRNS,TRNS,          TRNS,                    FN1, LEFT,DOWN,RGHT),
    /* Overlay 1: Poker with Esc */
    KEYMAP_ANSI(
        ESC, TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS, \
        TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS, \
        TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,     TRNS, \
        TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,          TRNS, \
        TRNS,TRNS,TRNS,          TRNS,                    FN2, TRNS,TRNS,TRNS),
    /* Overlay 2: Poker with Arrow and Esc */
    KEYMAP_ANSI(
        ESC, TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS, \
        TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS, \
        TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,     TRNS, \
        TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,          UP,   \
        TRNS,TRNS,TRNS,          TRNS,                    FN3, LEFT,DOWN,RGHT),
    /* Overlay 3: Poker Fn'd */
    KEYMAP_ANSI(
        ESC, F1,  F2,  F3,  F4,  F5,  F6,  F7,  F8,  F9,  F10, F11, F12, TRNS, \
        TRNS,FN6, UP,  TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,CALC,TRNS,HOME,INS, TRNS, \
        TRNS,LEFT,DOWN,RGHT,TRNS,TRNS,PSCR,SLCK,PAUS,TRNS,FN8, END,      TRNS, \
        TRNS,DEL, TRNS,WHOM,MUTE,VOLU,VOLD,TRNS,PGUP,PGDN,DEL,           TRNS, \
        TRNS,TRNS,TRNS,          FN5,                     FN4, TRNS,TRNS,TRNS),
    /* Overlay 4: Poker Fn'd arrow */
    KEYMAP_ANSI(
        ESC, F1,  F2,  F3,  F4,  F5,  F6,  F7,  F8,  F9,  F10, F11, F12, TRNS, \
        TRNS,FN7, UP,  TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,CALC,TRNS,HOME,INS, TRNS, \
        TRNS,LEFT,DOWN,RGHT,TRNS,TRNS,PSCR,SLCK,PAUS,TRNS,FN8, END,      TRNS, \
        TRNS,DEL, TRNS,WHOM,MUTE,VOLU,VOLD,TRNS,PGUP,PGDN,DEL,           PGUP, \
        TRNS,TRNS,TRNS,          FN4,                     FN5, HOME,PGDN,END),
    /* Overlay 5: Poker Fn'd Esc */
    KEYMAP_ANSI(
        GRV, F1,  F2,  F3,  F4,  F5,  F6,  F7,  F8,  F9,  F10, F11, F12, TRNS, \
        TRNS,FN4, UP,  TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,CALC,TRNS,HOME,INS, TRNS, \
        TRNS,LEFT,DOWN,RGHT,TRNS,TRNS,PSCR,SLCK,PAUS,TRNS,FN8, END,      TRNS, \
        TRNS,DEL, TRNS,WHOM,MUTE,VOLU,VOLD,TRNS,PGUP,PGDN,DEL,           TRNS, \
        TRNS,TRNS,TRNS,          FN7,                     FN6, TRNS,TRNS,TRNS),
    /* Overlay 6: Poker Fn'd Arrow + Esc */
    KEYMAP_ANSI(
        GRV, F1,  F2,  F3,  F4,  F5,  F6,  F7,  F8,  F9,  F10, F11, F12, TRNS, \
        TRNS,FN5, UP,  TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,CALC,TRNS,HOME,INS, TRNS, \
        TRNS,LEFT,DOWN,RGHT,TRNS,TRNS,PSCR,SLCK,PAUS,TRNS,FN8, END,      TRNS, \
        TRNS,DEL, TRNS,WHOM,MUTE,VOLU,VOLD,TRNS,PGUP,PGDN,DEL,           PGUP, \
        TRNS,TRNS,TRNS,          FN6,                     FN7, HOME,PGDN,END),
};

/*
 * Fn action definition
 */
static const uint16_t PROGMEM fn_actions[] = {
    /* Poker Layout */
    [0] = ACTION_OVERLAY_SET_P(3),     // FN0 move to Fn'd             when press
    [1] = ACTION_OVERLAY_SET_P(4),     // FN1 move to Fn'd arrow       when press
    [2] = ACTION_OVERLAY_SET_P(5),     // FN2 move to Fn'd Esc         when press
    [3] = ACTION_OVERLAY_SET_P(6),     // FN3 move to Fn'd arrow + Esc when press

    [4] = ACTION_OVERLAY_CLEAR,        // FN4 clear overlay            when release
    [5] = ACTION_OVERLAY_SET_R(0),     // FN5 move to arrow            when release
    [6] = ACTION_OVERLAY_SET_R(1),     // FN6 move to Esc              when release
    [7] = ACTION_OVERLAY_SET_R(2),     // FN7 move to arrow + Esc      when release

    [8] = ACTION_RMODS_KEY(MOD_BIT(KC_RCTL)|MOD_BIT(KC_RSFT), KC_ESC), // FN8 Task(RControl,RShift+Esc)
};