feat(q5_max): add layer-lock keycodes for persistent layer activation
Introduces LCK_FN1–LCK_FN4, LCK_CTL, and LCK_BASE custom keycodes that toggle a layer into a locked state so it stays active after momentary keys are released. A second press on the same lock key or pressing LCK_BASE clears all locks and returns to BASE.
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@@ -28,6 +28,12 @@ enum custom_keycodes {
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ALT_TAB_FWD = SAFE_RANGE, // Alt+Tab (forward)
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ALT_TAB_BWD, // Alt+Shift+Tab (backward)
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CHORD_KEY, // Fn1+LeftAlt → chord/unicode entry mode
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LCK_FN1, // Lock/unlock FN1
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LCK_FN2, // Lock/unlock FN2
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LCK_FN3, // Lock/unlock FN3
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LCK_FN4, // Lock/unlock FN4
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LCK_CTL, // Lock/unlock KEEB_CTL
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LCK_BASE, // Clear all locks and return to BASE
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};
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// Alt-Tab cycling state
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@@ -35,6 +41,10 @@ static bool alt_tab_active = false;
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static uint16_t alt_tab_timer = 0;
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#define ALT_TAB_TIMEOUT 750 // ms to hold Alt after last encoder tick
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// Layer-lock state: bitmask of layers that should stay active even after
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// momentary (TT/MO) keys are released.
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static layer_state_t locked_layers = 0;
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enum layers {
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BASE,
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FN1,
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@@ -56,7 +66,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
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[FN1] = LAYOUT_ansi_101(
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KC_SLEP, KC_BRID, KC_BRIU, KC_MCTRL, KC_LNPAD, RGB_VAD, RGB_VAI, KC_MPRV, KC_MPLY, KC_MNXT, KC_MUTE, KC_VOLD, KC_VOLU, KC_DEL, KC_PSCR, KC_CALC, KC_FIND, KC_MUTE,
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KC_GRV, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, KC_MINS, KC_EQL, KC_BSPC, KC_PGUP, KC_NUM, KC_PSLS, KC_PAST, KC_PMNS,
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KC_GRV, LCK_FN1, LCK_FN2, LCK_FN3, LCK_FN4, LCK_CTL, KC_6, KC_7, KC_8, KC_9, LCK_BASE, KC_MINS, KC_EQL, KC_BSPC, KC_PGUP, KC_NUM, KC_PSLS, KC_PAST, KC_PMNS,
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KC_TAB, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_LBRC, KC_RBRC, KC_BSLS, KC_PGDN, KC_P7, KC_P8, KC_P9,
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KC_CAPS, KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_QUOT, KC_ENT, KC_END, KC_P4, KC_P5, KC_P6, KC_PPLS,
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KC_LSFT, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, KC_RSFT, KC_UP, KC_P1, KC_P2, KC_P3,
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@@ -64,7 +74,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
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[FN2] = LAYOUT_ansi_101(
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KC_PWR, KC_F13, KC_F14, KC_F15, KC_F16, KC_F17, KC_F18, KC_F19, KC_F20, KC_F21, KC_F22, KC_F23, KC_F24, KC_DEL, KC_PSCR, KC_CALC, KC_FIND, KC_MPLY,
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KC_GRV, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, KC_MINS, KC_EQL, KC_BSPC, KC_MS_WH_UP, KC_NUM, KC_PSLS, KC_PAST, KC_PMNS,
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KC_GRV, LCK_FN1, LCK_FN2, LCK_FN3, LCK_FN4, LCK_CTL, KC_6, KC_7, KC_8, KC_9, LCK_BASE, KC_MINS, KC_EQL, KC_BSPC, KC_MS_WH_UP, KC_NUM, KC_PSLS, KC_PAST, KC_PMNS,
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KC_TAB, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_LBRC, KC_RBRC, KC_BSLS, KC_MS_WH_DOWN, KC_P7, KC_P8, KC_P9,
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KC_CAPS, KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_QUOT, KC_ENT, KC_MS_BTN3, KC_P4, KC_P5, KC_P6, KC_PPLS,
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KC_LSFT, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, KC_RSFT, KC_MS_UP, KC_P1, KC_P2, KC_P3,
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@@ -72,7 +82,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
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[FN3] = LAYOUT_ansi_101(
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KC_ESC, KC_BRID, KC_BRIU, KC_MCTRL, KC_LNPAD, RGB_VAD, RGB_VAI, KC_MPRV, KC_MPLY, KC_MNXT, KC_MUTE, KC_VOLD, KC_VOLU, KC_DEL, KC_PSCR, KC_CALC, KC_FIND, KC_MPLY,
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KC_GRV, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, KC_MINS, KC_EQL, KC_BSPC, KC_PGUP, KC_NUM, KC_PSLS, KC_PAST, KC_PMNS,
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KC_GRV, LCK_FN1, LCK_FN2, LCK_FN3, LCK_FN4, LCK_CTL, KC_6, KC_7, KC_8, KC_9, LCK_BASE, KC_MINS, KC_EQL, KC_BSPC, KC_PGUP, KC_NUM, KC_PSLS, KC_PAST, KC_PMNS,
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KC_TAB, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_LBRC, KC_RBRC, KC_BSLS, KC_PGDN, KC_P7, KC_P8, KC_P9,
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KC_CAPS, KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_QUOT, KC_ENT, TD(TD_HOME_END), KC_P4, KC_P5, KC_P6, KC_PPLS,
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KC_LSFT, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, KC_RSFT, KC_UP, KC_P1, KC_P2, KC_P3,
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@@ -80,7 +90,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
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[FN4] = LAYOUT_ansi_101(
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KC_ESC, KC_BRID, KC_BRIU, KC_MCTRL, KC_LNPAD, RGB_VAD, RGB_VAI, KC_MPRV, KC_MPLY, KC_MNXT, KC_MUTE, KC_VOLD, KC_VOLU, KC_DEL, KC_PSCR, KC_CALC, KC_FIND, KC_MPLY,
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KC_GRV, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, KC_MINS, KC_EQL, KC_BSPC, KC_PGUP, KC_NUM, KC_PSLS, KC_PAST, KC_PMNS,
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KC_GRV, LCK_FN1, LCK_FN2, LCK_FN3, LCK_FN4, LCK_CTL, KC_6, KC_7, KC_8, KC_9, LCK_BASE, KC_MINS, KC_EQL, KC_BSPC, KC_PGUP, KC_NUM, KC_PSLS, KC_PAST, KC_PMNS,
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KC_TAB, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_LBRC, KC_RBRC, KC_BSLS, KC_PGDN, KC_P7, KC_P8, KC_P9,
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KC_CAPS, KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_QUOT, KC_ENT, TD(TD_HOME_END), KC_P4, KC_P5, KC_P6, KC_PPLS,
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KC_LSFT, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, KC_RSFT, KC_UP, KC_P1, KC_P2, KC_P3,
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@@ -88,7 +98,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
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[KEEB_CTL] = LAYOUT_ansi_101(
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_______, KC_BRID, KC_BRIU, KC_TASK, KC_FILE, RGB_VAD, RGB_VAI, KC_MPRV, KC_MPLY, KC_MNXT, KC_MUTE, KC_VOLD, KC_VOLU, _______, _______, _______, _______, RGB_TOG,
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_______, BT_HST1, BT_HST2, BT_HST3, P2P4G, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
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_______, BT_HST1, BT_HST2, BT_HST3, P2P4G, _______, _______, _______, _______, _______, LCK_BASE, _______, _______, _______, _______, _______, _______, _______, _______,
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RGB_TOG, RGB_MOD, RGB_VAI, RGB_HUI, RGB_SAI, RGB_SPI, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
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_______, RGB_RMOD, RGB_VAD, RGB_HUD, RGB_SAD, RGB_SPD, _______, _______, _______, _______, _______, _______, _______, KC_END, _______, _______, _______, _______,
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_______, _______, _______, _______, _______, BAT_LVL, NK_TOGG, _______, _______, _______, _______, _______, _______, _______, _______, _______,
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@@ -117,6 +127,11 @@ combo_t key_combos[] = {
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COMBO(fallback_combo, TO(BASE)),
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};
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// Re-assert locked layers whenever QMK modifies layer state (e.g. TT release).
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layer_state_t layer_state_set_user(layer_state_t state) {
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return state | locked_layers;
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}
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void keyboard_post_init_user(void) {
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chord_init();
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// Use the Linux unicode input method (Ctrl+Shift+U → hex → Enter).
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@@ -144,6 +159,37 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
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}
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switch (keycode) {
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case LCK_FN1:
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case LCK_FN2:
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case LCK_FN3:
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case LCK_FN4:
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case LCK_CTL:
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case LCK_BASE:
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if (record->event.pressed) {
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uint8_t target;
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switch (keycode) {
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case LCK_FN1: target = FN1; break;
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case LCK_FN2: target = FN2; break;
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case LCK_FN3: target = FN3; break;
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case LCK_FN4: target = FN4; break;
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case LCK_CTL: target = KEEB_CTL; break;
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default: target = BASE; break;
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}
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if (target != BASE && (locked_layers & (1UL << target))) {
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// Already locked on this layer — unlock and return to BASE.
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locked_layers = 0;
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layer_move(BASE);
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} else {
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// Lock the target layer (clears any other lock first).
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locked_layers = 0;
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layer_move(target);
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if (target != BASE) {
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locked_layers = (1UL << target);
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}
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}
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}
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return false;
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case ALT_TAB_FWD:
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if (record->event.pressed) {
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if (!alt_tab_active) {
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