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path: root/keyboards/handwired/arrow_pad/keymaps/default/keymap.c
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#include QMK_KEYBOARD_H
#include "led.h"

enum layers {
  LAYER_BASE,
  LAYER_EDIT,
  LAYER_FUNCTION
};

enum custom_keycodes {
  M_COPY = SAFE_RANGE,  // KC_FN5: MACRO_COPY_CUT
  M_SHFCT,              // KC_FN6: MACRO_SHIFT_CONTROL
  M_CTALT               // KC_FN7: MACRO_CONTROL_ALT
};

#define SC_UNDO             LCTL(KC_Z)
#define SC_REDO             LCTL(KC_Y)
#define SC_CUT              LCTL(KC_X)
#define SC_COPY             LCTL(KC_C)
#define SC_PSTE             LCTL(KC_V)
#define SC_SELA             LCTL(KC_A)
#define SC_SAVE             LCTL(KC_S)
#define SC_OPEN             LCTL(KC_O)
#define SC_ACLS             LALT(KC_F4)
#define SC_CCLS             LCTL(KC_F4)

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

[LAYER_BASE] = LAYOUT(                \
  KC_ESC,  KC_TAB,  KC_BSLS, MO(2),   \
  KC_NLCK, KC_PSLS, KC_PAST, KC_PMNS, \
  KC_P7,   KC_P8,   KC_P9,   KC_PEQL, \
  KC_P4,   KC_P5,   KC_P6,   KC_PPLS, \
  KC_P1,   KC_P2,   KC_P3,   XXXXXXX, \
  KC_P0,   KC_PCMM, KC_PDOT, KC_PENT  ),

[LAYER_EDIT] = LAYOUT(                \
  KC_ESC,  KC_TAB,  KC_SPC,  _______, \
  TG(1),   SC_PSTE, SC_REDO, SC_UNDO, \
  KC_HOME, KC_UP,   KC_PGUP, KC_LALT, \
  KC_LEFT, M_COPY,  KC_RGHT, KC_LCTL, \
  KC_END,  KC_DOWN, KC_PGDN, XXXXXXX, \
  KC_BSPC, KC_PENT, KC_DEL,  M_SHFCT  ),

[LAYER_FUNCTION] = LAYOUT(            \
  BL_TOGG, BL_INC,  BL_DEC,  _______, \
  TG(1),   _______, _______, _______, \
  _______, _______, _______, _______, \
  _______, _______, _______, _______, \
  _______, _______, _______, XXXXXXX, \
  RESET,   _______, _______, _______  ),

};


bool process_record_user(uint16_t keycode, keyrecord_t * record) {
  // MACRODOWN only works in this function
  switch (keycode) {

  case M_COPY:
    if (record->event.pressed) {
      register_code(KC_LCTL);
      if (record->tap.count == 1) {
        register_code(KC_C);
        unregister_code(KC_C);
      } else if (record->tap.count == 2) {
        register_code(KC_X);
        unregister_code(KC_X);
      }
      unregister_code(KC_LCTL);
    }
    break;

  case M_SHFCT:
    if (record->event.pressed) {
      if (record->tap.count <= 2) register_mods(MOD_BIT(KC_LSFT));
      if (record->tap.count == 2) register_mods(MOD_BIT(KC_LCTL));
      if (record->tap.count == 3) register_code(KC_PENT);;
    } else {
      unregister_mods(MOD_BIT(KC_LSFT) | MOD_BIT(KC_LCTL));
      unregister_code(KC_PENT);
    }
    break;

  case M_CTALT:
    if (record->event.pressed) {
      if (record->tap.count < 2) register_mods(MOD_BIT(KC_LCTL));
      if (record->tap.count >= 2) register_mods(MOD_BIT(KC_LALT));
    } else {
      unregister_mods(MOD_BIT(KC_LCTL) | MOD_BIT(KC_LALT));
    }
    break;
  }

  return true;
}

void led_set_user(uint8_t usb_led)
{
    if (usb_led & (1<<USB_LED_CAPS_LOCK)) {
        // output high
        DDRD |= (1<<6);
        PORTD |= (1<<6);
    } else {
        // Hi-Z
        DDRD &= ~(1<<6);
        PORTD &= ~(1<<6);
    }
    if (usb_led & (1<<USB_LED_NUM_LOCK)) {
        // output low
        DDRC |= (1<<7);
        PORTC |= ~(1<<7);
    } else {
        // Hi-Z
        DDRC &= ~(1<<7);
        PORTC &= ~(1<<7);
    }
}