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/* Copyright 2021 Paul Ewers
*
* 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
enum alt_keycodes {
ALT_DEL = SAFE_RANGE, // Map left alt + backspace to delete
LED_TOG // Toggle LED modes
};
// Friendly layer names
enum alt_layers {
DEF = 0,
ALT,
MAC,
FUNC,
SUPR
};
// EEPROM storage mode
enum alt_led_mode {
LED_MODE_ALL = 0,
LED_MODE_LOGO,
LED_MODE_UNDERGLOW,
LED_MODE_OFF,
LED_MODE_TOTAL
};
// EEPROM storage type
typedef union {
uint32_t raw;
struct {
uint8_t led_mode: 8;
};
} user_config_t;
user_config_t user_config;
const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
[DEF] = LAYOUT_all(
KC_ESC, 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_BSPC, KC_HOME, KC_PGUP,
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_DEL, KC_PGDN,
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_LSFT, 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_RSFT, KC_UP,
KC_LCTL, KC_LGUI, MO(SUPR), KC_SPC, KC_SPC, KC_SPC, KC_RALT, MO(FUNC),KC_RCTL, KC_LEFT, KC_DOWN, KC_RGHT
),
[ALT] = LAYOUT_all(
_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
_______, _______, KC_LALT, _______, _______, _______, _______, _______, _______, _______, _______, _______
),
[MAC] = LAYOUT_all(
_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
_______, KC_LALT, KC_LGUI, _______, _______, _______, KC_RGUI, _______, KC_RALT, _______, _______, _______
),
[FUNC] = LAYOUT_all(
KC_GRV, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12, _______, _______, KC_END, KC_VOLU,
_______, RGB_HUD, RGB_VAI, RGB_HUI, RGB_SAI, RGB_M_P, _______, _______, _______, KC_BRIU, KC_PAUS, KC_PSCR, _______, _______, KC_MUTE, KC_VOLD,
_______, RGB_RMOD,RGB_VAD, RGB_MOD, RGB_SAD, RGB_M_B, _______, _______, _______, KC_BRID, _______, _______, _______,
_______, _______, RGB_TOG, LED_TOG, _______, EEP_RST, QK_BOOT, _______, _______, TG(MAC), TG(ALT), _______, _______, _______, KC_PGUP,
_______, _______, KC_LALT, _______, _______, _______, _______, _______, _______, KC_HOME, KC_PGDN, KC_END
),
[SUPR] = LAYOUT_all(
KC_GRV, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12, ALT_DEL, ALT_DEL, KC_END, _______,
_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
_______, _______, _______, _______, _______, _______, _______, _______, _______, KC_HOME, _______, KC_END
)
};
// If the super alt layer is the active layer
bool super_alt_layer_active = false;
// If we need to unregister alt when leaving the super alt layer
bool need_to_unregister_alt = false;
// This runs code every time that the layers get changed
layer_state_t layer_state_set_user(layer_state_t state) {
switch (get_highest_layer(state)) {
case DEF:
// When returning to the default layer, check if we need to unregister the left alt key
if (super_alt_layer_active && need_to_unregister_alt) {
unregister_code(KC_LALT);
}
super_alt_layer_active = false;
need_to_unregister_alt = false;
break;
case SUPR:
super_alt_layer_active = true;
break;
}
return state;
}
// There is a total of 20 LEDs on the board; the 4 logo LEDs have indices 16, 17, 18, 19
void update_led_mode(void) {
rgblight_setrgb(0, 0, 0);
switch (user_config.led_mode) {
case LED_MODE_ALL:
rgblight_set_effect_range(0, RGBLED_NUM);
rgblight_enable_noeeprom();
break;
case LED_MODE_LOGO:
rgblight_set_effect_range(16, 4);
rgblight_enable_noeeprom();
break;
case LED_MODE_UNDERGLOW:
rgblight_set_effect_range(0, 16);
rgblight_enable_noeeprom();
break;
case LED_MODE_OFF:
rgblight_disable_noeeprom();
break;
}
}
void keyboard_post_init_user(void) {
user_config.raw = eeconfig_read_user();
update_led_mode();
}
void eeconfig_init_user(void) {
user_config.raw = 0;
user_config.led_mode = LED_MODE_ALL;
eeconfig_update_user(user_config.raw);
rgblight_enable();
}
bool process_record_user(uint16_t keycode, keyrecord_t *record) {
static uint32_t key_timer;
switch (keycode) {
// These are the keys we want to 'fall though' and behave as usual when pressed with the alt modifier
case KC_A ... KC_Z:
case KC_TAB:
case KC_DEL:
case KC_UP:
case KC_DOWN:
case KC_ENT:
case KC_SPC:
case MO(FUNC):
if (super_alt_layer_active && record->event.pressed) {
// Only activate the alt modifier for the first key press
if ((get_mods() & MOD_BIT(KC_LALT)) == false) {
register_code(KC_LALT);
need_to_unregister_alt = true;
}
}
// We still want to process the keycode normally
return true;
case KC_F4:
// Map alt+shift+4 to alt+f4
if (super_alt_layer_active && (get_mods() & MOD_BIT(KC_LSHIFT))) {
if (record->event.pressed) {
register_code(KC_LALT);
} else {
unregister_code(KC_LALT);
}
}
return true;
case ALT_DEL:
if (record->event.pressed) {
register_code(KC_DEL);
} else {
unregister_code(KC_DEL);
}
return false;
case LED_TOG:
if (record->event.pressed) {
user_config.led_mode = (user_config.led_mode + 1) % LED_MODE_TOTAL;
update_led_mode();
eeconfig_update_user(user_config.raw);
}
return false;
case QK_BOOT:
if (record->event.pressed) {
key_timer = timer_read32();
} else {
if (timer_elapsed32(key_timer) >= 500) {
reset_keyboard();
}
}
return false;
case EEP_RST:
if (record->event.pressed) {
key_timer = timer_read32();
} else {
if (timer_elapsed32(key_timer) >= 500) {
eeconfig_init();
}
}
return false;
default:
return true; // Process all other keycodes normally
}
}
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