Add cornia keyboard (#24442)

* Add cornia keyboard

* Update Fire keymap

* [Cornia/Doc] Host image on imgur

* [Cornia/config] Remove unnecessary defines

* [Cornia] Move I2C stuff to keyboard level

* [Cornia/config] Remove unnecessary defines & move all callbacks to keymap.c

* [Cornia] Use tri-layer in default keymap

* [Cornia/makefiles] remove license headers & root makefile

* [Cornia] Put common configuration to top keyboard level

* [Cornia] Remove unecessary custom keycodes

* [Cornia] Fix readme

* [Cornia] Fix RGB keycodes

* [Cornia] Fix config files

* [Cornia] Fix readme

* [Cornia] Fix mcuconf.h license

6 files changed, 523 insertions, 0 deletions

diff --git a/keyboards/cornia/keymaps/fire/config.h b/keyboards/cornia/keymaps/fire/config.h
new file mode 100644
index 0000000000..a40a881bf5
--- /dev/null
+++ b/keyboards/cornia/keymaps/fire/config.h
@@ -0,0 +1,33 @@
+/* Copyright 2024 Vaarai
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+/* Split */
+#define SPLIT_ACTIVITY_ENABLE
+#define SPLIT_LAYER_STATE_ENABLE
+#define SPLIT_LED_STATE_ENABLE
+#define SPLIT_MODS_ENABLE
+
+/* Trackpad */
+#define SPLIT_POINTING_ENABLE 
+#define POINTING_DEVICE_RIGHT
+#define POINTING_DEVICE_ROTATION_90
+#define CIRQUE_PINNACLE_DIAMETER_MM 40
+#define CIRQUE_PINNACLE_TAP_ENABLE
+#define CIRQUE_PINNACLE_CURVED_OVERLAY
+#define CIRQUE_PINNACLE_POSITION_MODE CIRQUE_PINNACLE_RELATIVE_MODE
+#define CIRQUE_PINNACLE_ATTENUATION EXTREG__TRACK_ADCCONFIG__ADC_ATTENUATE_2X
diff --git a/keyboards/cornia/keymaps/fire/keymap.c b/keyboards/cornia/keymaps/fire/keymap.c
new file mode 100644
index 0000000000..9215c61f9c
--- /dev/null
+++ b/keyboards/cornia/keymaps/fire/keymap.c
@@ -0,0 +1,226 @@
+/* Copyright 2024 Vaarai
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include QMK_KEYBOARD_H
+
+#include "./keymap.h"
+#include "./tap_dances.h"
+
+/* Flag to enable/disable trackpad scroll */
+bool set_scrolling = false;
+
+/* Variables to store accumulated scroll values */
+float scroll_accumulated_h = 0;
+float scroll_accumulated_v = 0;
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    [_ALPHA] = LAYOUT_split_3x6_3( /* Fire (Oxey) : https://bit.ly/layout-doc-v2 */
+  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+       KC_ESC,    KC_P,    KC_L,    KC_D,    KC_G,    KC_V,                         KC_Q,    KC_F,    KC_O,    KC_U, KC_COMM, KC_BSPC,
+  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+       KC_TAB,    KC_N,    KC_R,    KC_T,    KC_S,    KC_Y,                         KC_J,    KC_H,    KC_A,    KC_E,    KC_I, KC_LALT,
+  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+      KC_LCTL,    KC_X,    KC_K,    KC_C,    KC_W,    KC_Z,                         KC_B,    KC_M, KC_QUOT, KC_SCLN,  KC_DOT, KC_RCTL,
+  //|--------+--------+--------+--------+--------+--------+--------|  |--------+--------+--------+--------+--------+--------+--------|
+                        TD(TD_SFT_CAPSW), TD(TD_NAV_ACCENT), KC_SPC,   KC_ENT, TD(TD_NUM_ACCENT), TD(TD_SFT_CAPSW)
+                                      //`--------------------------'  `--------------------------'
+  ),
+
+    [_NAV] = LAYOUT_split_3x6_3(
+  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+      _______, G(KC_L), XXXXXXX, CK_SCRL, C(KC_A), XXXXXXX,                      KC_BTN1, KC_BTN2, KC_BTN3, XXXXXXX, XXXXXXX,  KC_DEL,
+  //|--------+--------+ GUI V  +--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+      _______, C(KC_X), G(KC_V), C(KC_V), C(KC_C), C(KC_Z),                      KC_WH_U, KC_LEFT, KC_DOWN,   KC_UP,KC_RIGHT, _______, 
+  //|ALT LEFT+--------+ ALT SFT+scrnshot+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+   A(KC_LEFT),C(KC_S),S(KC_LALT), CK_SSHT,C(KC_F), C(KC_Y),                      KC_WH_D, KC_HOME, CK_SELL, CK_SELR,  KC_END, _______,
+  //|--------+--------+--------+--------+--------+--------+--------|  |--------+--------+--------+--------+--------+--------+--------|
+                                          KC_LGUI, _______, _______,  _______,MO(_ADJUST),_______
+                                      //`--------------------------'  `--------------------------'
+  ),
+
+    [_NUM] = LAYOUT_split_3x6_3(
+  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+      _______,    KC_1,    KC_2,    KC_3,    KC_4,    KC_5,                         KC_6,    KC_7,    KC_8,    KC_9,    KC_0,  KC_DEL,
+  //|--------+-- / ---+-- { ---+-- ( ---+-- [ ---+-- - ---|                    |--- _ --+--- ] --+-- ) ---+-- } ---+-- \ ---+--------|
+      _______, KC_SLSH, KC_LCBR, KC_LPRN, KC_LBRC, KC_MINS,                      KC_UNDS, KC_RBRC, KC_RPRN, KC_RCBR, KC_BSLS, _______,
+  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+      _______, XXXXXXX,  KC_GRV, KC_QUES,  KC_EQL, XXXXXXX,                      XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, _______,
+  //|--------+--------+--------+--------+--------+--------+--------|  |--------+--------+--------+--------+--------+--------+--------|
+                                        _______,MO(_ADJUST),_______,    _______, _______, KC_RGUI
+                                      //`--------------------------'  `--------------------------'
+  ),
+
+    [_ADJUST] = LAYOUT_split_3x6_3(
+  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+      QK_BOOT, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,                        KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,
+  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+      XXXXXXX, RM_TOGG, RM_HUEU, RM_VALU, CK_DPII, XXXXXXX,                        KC_F7,   KC_F8,   KC_F9,  KC_F10,  KC_F11,  KC_F12,
+  //|--------+--------+--------+--------+--------|--------|                    |--------+--------+--------+--------+--------+--------|
+      XXXXXXX, RM_NEXT, RM_HUED, RM_VALD, CK_DPID, XXXXXXX,                      TO(_G0), TO(_G1), XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+  //|--------+--------+--------+--------+--------+--------+--------|  |--------+--------+--------+--------+--------+--------+--------|
+                                          _______, _______, _______,    _______, _______, _______
+                                      //`--------------------------'  `--------------------------'
+  ),
+
+  /* Generic game */
+    [_G0] = LAYOUT_split_3x6_3(
+  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+       KC_ESC,  KC_TAB,    KC_Q,    KC_W,    KC_E,    KC_R,                      XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+      XXXXXXX, KC_LSFT,    KC_A,    KC_S,    KC_D,    KC_F,                      XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+      KC_LGUI, KC_LCTL,    KC_Z,    KC_X,    KC_C,    KC_V,                      XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+  //|--------+--------+--------+--------+--------+--------+--------|  |--------+--------+--------+--------+--------+--------+--------|
+                                           KC_SPC,  KC_SPC, XXXXXXX,    XXXXXXX, TG(_G0), XXXXXXX
+                                      //`--------------------------'  `--------------------------'
+  ),
+
+  /* Warframe */
+    [_G1] = LAYOUT_split_3x6_3(
+  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+       KC_TAB,  KC_ESC,    KC_Q,    KC_W,    KC_1,    KC_2,                      XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+         KC_F, KC_LSFT,    KC_A,    KC_S,    KC_D,    KC_3,                      XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+      KC_LGUI, KC_LCTL,    KC_M,    KC_Y,    KC_X,    KC_4,                      XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+  //|--------+--------+--------+--------+--------+--------+--------|  |--------+--------+--------+--------+--------+--------+--------|
+                                           KC_SPC,CK_RKJMP,    KC_5,    XXXXXXX, TG(_G1), XXXXXXX
+                                      //`--------------------------'  `--------------------------'
+  ),
+};
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+    switch (keycode) {
+        case CK_RKJMP: /* Warframe rocket jump */
+            if (record->event.pressed) {
+                SEND_STRING(SS_DOWN(X_C));
+            } else {
+                SEND_STRING(SS_DOWN(X_SPC) SS_DELAY(50) SS_UP(X_C) SS_DELAY(50) SS_UP(X_SPC));
+            }
+            return false;
+        case CK_DPII: /* Increase trackpad DPI */
+            if (record->event.pressed) {
+                pointing_device_set_cpi(pointing_device_get_cpi()+100);
+            }
+            return false;
+        case CK_DPID: /* Decrease trackpad DPI */
+            if (record->event.pressed) {
+                pointing_device_set_cpi(pointing_device_get_cpi()-100);
+            }
+            return false;
+        case CK_SCRL: /* Toggle set_scrolling when CK_SCRL key is pressed or released */
+            set_scrolling = record->event.pressed;
+            return false;
+    }
+    /* Accented letters */
+    if (accent_state != ACCENT_NONE && record->event.pressed)
+    {
+        switch (keycode) {
+            case KC_A:
+                SEND_STRING(SS_ACCENT_A_GRAVE);
+                break;  
+            case KC_C:
+                SEND_STRING(SS_ACCENT_C_CEDIL);
+                break;
+            case KC_E:
+                switch (accent_state) {
+                    case ACCENT_LEFT:
+                        SEND_STRING(SS_ACCENT_E_ACUTE); break;
+                    case ACCENT_RIGHT:
+                        SEND_STRING(SS_ACCENT_E_GRAVE); break;
+                    case ACCENT_NONE:
+                        break;
+                }
+                break;
+            case KC_O:
+                SEND_STRING(SS_ACCENT_O_CIRCU);
+                break;
+            case KC_U:
+                SEND_STRING(SS_ACCENT_U_GRAVE);
+                break;
+        }
+        accent_state = ACCENT_NONE;
+        return false;
+    }
+    return true;
+}
+
+bool shutdown_user(bool jump_to_bootloader) {
+    oled_clear();
+    oled_set_cursor(0, 2);
+    if (jump_to_bootloader) {
+        oled_write_P(PSTR("FLASH"), false);
+    } else {
+        oled_write_P(PSTR("RESET"), false);
+    }
+    oled_render_dirty(true);
+    return false;
+}
+
+oled_rotation_t oled_init_user(oled_rotation_t rotation) {
+    return OLED_ROTATION_270;
+}
+
+bool oled_task_user(void) {
+    /* Print cornia logo */
+    cornia_render_logo();
+
+    /* Print layer status */
+    oled_set_cursor(0, 7);
+    switch (get_highest_layer(layer_state)) {
+        case _ALPHA:
+            oled_write_ln("ALPHA", 0);
+            break;
+        case _NAV:
+            oled_write_ln("NAV", 0);
+            break;
+        case _NUM:
+            oled_write_ln("NUM", 0);
+            break;
+        case _ADJUST:
+            oled_write_ln("ADJUS", 0);
+            break;
+        case _G0:
+            oled_write_ln("GAME0", 0);
+            break;
+        case _G1:
+            oled_write_ln("GAME1", 0);
+            break;
+    }
+    return false;
+}
+
+report_mouse_t pointing_device_task_user(report_mouse_t mouse_report) {
+    /* Check if drag scrolling is active */
+    if (set_scrolling) {
+        /* Calculate and accumulate scroll values based on mouse movement and divisors */
+        scroll_accumulated_h += (float)mouse_report.x / SCROLL_DIVISOR_H;
+        scroll_accumulated_v += (float)mouse_report.y / SCROLL_DIVISOR_V;
+
+        /* Assign integer parts of accumulated scroll values to the mouse report */
+        mouse_report.h = (int8_t)scroll_accumulated_h;
+        mouse_report.v = (int8_t)scroll_accumulated_v;
+
+        /* Update accumulated scroll values by subtracting the integer parts */
+        scroll_accumulated_h -= (int8_t)scroll_accumulated_h;
+        scroll_accumulated_v -= (int8_t)scroll_accumulated_v;
+
+        /* Clear the X and Y values of the mouse report */
+        mouse_report.x = 0;
+        mouse_report.y = 0;
+    }
+    return mouse_report;
+}
\ No newline at end of file
diff --git a/keyboards/cornia/keymaps/fire/keymap.h b/keyboards/cornia/keymaps/fire/keymap.h
new file mode 100644
index 0000000000..719c2b97a8
--- /dev/null
+++ b/keyboards/cornia/keymaps/fire/keymap.h
@@ -0,0 +1,55 @@
+/* Copyright 2024 Vaarai
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include QMK_KEYBOARD_H
+
+/* Trackpad srolling speed adjustment */
+#define SCROLL_DIVISOR_H 8.0
+#define SCROLL_DIVISOR_V 8.0
+
+/* Trackpad srolling enablement flag */
+extern bool set_scrolling;
+
+/* Layers definitions */
+enum layers {
+  _ALPHA,
+  _NAV,
+  _NUM,
+  _ADJUST,
+  _G0,
+  _G1
+};
+
+/* Custom Keycodes (CK_xxx) */
+#define CK_SSHT LSG(KC_S)
+#define CK_SELL LSFT(LCTL(KC_LEFT))
+#define CK_SELR LSFT(LCTL(KC_RIGHT))
+
+typedef enum {
+    CK_RKJMP = SAFE_RANGE, /* Warframe rocket/bullet jump */
+    CK_DPII,
+    CK_DPID,
+    CK_SCRL,
+} cornia_custom_keycodes_t;
+
+#define SS_ACCENT_A_GRAVE SS_DOWN(X_LALT) SS_TAP(X_P1) SS_TAP(X_P3) SS_TAP(X_P3) SS_UP(X_LALT) /* à */
+#define SS_ACCENT_C_CEDIL SS_DOWN(X_LALT) SS_TAP(X_P1) SS_TAP(X_P3) SS_TAP(X_P5) SS_UP(X_LALT) /* ç */
+#define SS_ACCENT_E_ACUTE SS_DOWN(X_LALT) SS_TAP(X_P1) SS_TAP(X_P3) SS_TAP(X_P0) SS_UP(X_LALT) /* é */
+#define SS_ACCENT_E_GRAVE SS_DOWN(X_LALT) SS_TAP(X_P1) SS_TAP(X_P3) SS_TAP(X_P8) SS_UP(X_LALT) /* è */
+#define SS_ACCENT_O_CIRCU SS_DOWN(X_LALT) SS_TAP(X_P1) SS_TAP(X_P4) SS_TAP(X_P7) SS_UP(X_LALT) /* ô */
+#define SS_ACCENT_U_GRAVE SS_DOWN(X_LALT) SS_TAP(X_P0) SS_TAP(X_P2) SS_TAP(X_P4) SS_TAP(X_P9) SS_UP(X_LALT) /* ù */
diff --git a/keyboards/cornia/keymaps/fire/rules.mk b/keyboards/cornia/keymaps/fire/rules.mk
new file mode 100644
index 0000000000..221d810975
--- /dev/null
+++ b/keyboards/cornia/keymaps/fire/rules.mk
@@ -0,0 +1,8 @@
+SRC += tap_dances.c
+
+CAPS_WORD_ENABLE = yes
+TAP_DANCE_ENABLE = yes
+
+# Cirque Trackpad I²C configuration
+POINTING_DEVICE_ENABLE = yes
+POINTING_DEVICE_DRIVER = cirque_pinnacle_i2c
diff --git a/keyboards/cornia/keymaps/fire/tap_dances.c b/keyboards/cornia/keymaps/fire/tap_dances.c
new file mode 100644
index 0000000000..63f9911549
--- /dev/null
+++ b/keyboards/cornia/keymaps/fire/tap_dances.c
@@ -0,0 +1,154 @@
+/* Copyright 2024 Vaarai
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include QMK_KEYBOARD_H
+
+#include "./tap_dances.h"
+#include "./keymap.h"
+
+/* define a type containing as many tapdance states as you need */
+typedef enum {
+  SINGLE_TAP,
+  SINGLE_HOLD,
+  DOUBLE_TAP,
+  DOUBLE_HOLD,
+  OTHER_TAP
+} td_state_t;
+
+/* Create a global instance of the tapdance state type */
+static td_state_t td_state;
+accent_state_t accent_state = ACCENT_NONE;
+
+tap_dance_action_t tap_dance_actions[TAP_DANCE_ACTIONS_COUNT] = {
+  [TD_SFT_CAPSW]  = ACTION_TAP_DANCE_FN_ADVANCED(NULL, dance_shift_capsword_finished, dance_shift_capsword_reset),
+  [TD_NAV_ACCENT] = ACTION_TAP_DANCE_FN_ADVANCED(NULL, dance_nav_accent_finished,     dance_nav_accent_reset),
+  [TD_NUM_ACCENT] = ACTION_TAP_DANCE_FN_ADVANCED(NULL, dance_num_accent_finished,     dance_num_accent_reset)
+};
+
+int cur_dance (tap_dance_state_t *state) {
+    if (state->count == 1) {
+        if (state->interrupted || !state->pressed) 
+        {
+            return SINGLE_TAP;
+        } else { 
+            return SINGLE_HOLD;
+        }
+    }
+    if (state->count == 2) 
+    {
+        if (state->interrupted || !state->pressed) 
+        { 
+            return DOUBLE_TAP;
+        } else { 
+            return DOUBLE_HOLD;
+        }
+    } else { 
+        return OTHER_TAP; 
+    }
+}
+
+void dance_shift_capsword_finished (tap_dance_state_t *state, void *user_data)
+{
+    td_state = cur_dance(state);
+    switch (td_state) {
+        case SINGLE_TAP:
+        case SINGLE_HOLD:
+            register_code(KC_LSFT);
+            break;
+        case DOUBLE_TAP:
+        case DOUBLE_HOLD:
+            caps_word_on();
+            break;
+        case OTHER_TAP:
+            break;
+    }
+}
+
+void dance_shift_capsword_reset (tap_dance_state_t *state, void *user_data)
+{
+    switch (td_state) {
+        case SINGLE_TAP:
+        case SINGLE_HOLD:
+            unregister_code(KC_LSFT);
+            break;
+        case DOUBLE_TAP:
+        case DOUBLE_HOLD:
+        case OTHER_TAP:
+            break;
+    }
+}
+
+void dance_nav_accent_finished (tap_dance_state_t *state, void *user_data)
+{
+    td_state = cur_dance(state);
+    switch (td_state) {
+        case SINGLE_TAP:
+        case SINGLE_HOLD:
+            layer_on(_NAV);
+            break;
+        case DOUBLE_TAP:
+        case DOUBLE_HOLD:
+            accent_state = ACCENT_LEFT;
+            break;
+        case OTHER_TAP:
+            break;
+    }
+}
+
+void dance_nav_accent_reset (tap_dance_state_t *state, void *user_data)
+{
+    switch (td_state) {
+        case SINGLE_TAP:
+        case SINGLE_HOLD:
+            layer_off(_NAV);
+            break;
+        case DOUBLE_TAP:
+        case DOUBLE_HOLD:
+        case OTHER_TAP:
+            break;
+    }
+}
+
+void dance_num_accent_finished (tap_dance_state_t *state, void *user_data)
+{
+    td_state = cur_dance(state);
+    switch (td_state) {
+        case SINGLE_TAP:
+        case SINGLE_HOLD:
+            layer_on(_NUM);
+            break;
+        case DOUBLE_TAP:
+        case DOUBLE_HOLD:
+            accent_state = ACCENT_RIGHT;
+            break;
+        case OTHER_TAP:
+            break;
+    }
+}
+
+void dance_num_accent_reset (tap_dance_state_t *state, void *user_data)
+{
+    switch (td_state) {
+        case SINGLE_TAP:
+        case SINGLE_HOLD:
+            layer_off(_NUM);
+            break;
+        case DOUBLE_TAP:
+        case DOUBLE_HOLD:
+        case OTHER_TAP:
+            break;
+    }
+}
\ No newline at end of file
diff --git a/keyboards/cornia/keymaps/fire/tap_dances.h b/keyboards/cornia/keymaps/fire/tap_dances.h
new file mode 100644
index 0000000000..082e81f3ce
--- /dev/null
+++ b/keyboards/cornia/keymaps/fire/tap_dances.h
@@ -0,0 +1,47 @@
+/* Copyright 2024 Vaarai
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include QMK_KEYBOARD_H
+
+/* Tap dances definitions */
+enum tap_dances {
+  TD_SFT_CAPSW,
+  TD_NAV_ACCENT,
+  TD_NUM_ACCENT,
+  TAP_DANCE_ACTIONS_COUNT /* Utility to get TD_xxx count */
+};
+
+/* Accented letters */
+typedef enum {
+  ACCENT_NONE,
+  ACCENT_LEFT,
+  ACCENT_RIGHT
+} accent_state_t;
+
+extern accent_state_t accent_state;
+
+extern tap_dance_action_t tap_dance_actions[TAP_DANCE_ACTIONS_COUNT];
+
+void dance_shift_capsword_finished (tap_dance_state_t *state, void *user_data);
+void dance_shift_capsword_reset (tap_dance_state_t *state, void *user_data);
+
+void dance_nav_accent_finished (tap_dance_state_t *state, void *user_data);
+void dance_nav_accent_reset (tap_dance_state_t *state, void *user_data);
+
+void dance_num_accent_finished (tap_dance_state_t *state, void *user_data);
+void dance_num_accent_reset (tap_dance_state_t *state, void *user_data);