qmk-firmware/users/dvorak_42_key/dvorak_42_key.c

// Copyright 2022 LucW (@luc-languagetools)
// SPDX-License-Identifier: GPL-2.0-or-later

#include "dvorak_42_key.h"

bool process_record_user(uint16_t keycode, keyrecord_t *record) {
    // tap dance processing
    tap_dance_action_t *action;
    switch (keycode) {
        case TD(TD_DEL_WORD_DEL):  // list all tap dance keycodes with tap-hold configurations
            action = &tap_dance_actions[TD_INDEX(keycode)];
            if (!record->event.pressed && action->state.count && !action->state.finished) {
                tap_dance_tap_hold_t *tap_hold = (tap_dance_tap_hold_t *)action->user_data;
                tap_code16(tap_hold->tap);
            }
    }

  // shell macros
  if(record->event.pressed) {
    switch (keycode) {
        case SHELL_LS:
            SEND_STRING("ls\n");
            break;
        case SHELL_LSLTR:
            SEND_STRING("ls -ltr\n");
            break;
        case SHELL_LSLA:
            SEND_STRING("ls -la\n");
            break;
        case SHELL_CDPRE:
            SEND_STRING("cd ..\n");
            break;
        case SHELL_LESS:
            SEND_STRING("less ");
            break;
        case SHELL_PLESS:
            SEND_STRING(" | less");
            break;
        case SHELL_PGREP:
            SEND_STRING(" | grep ");
            return true;
            break;
        case SHELL_TAILF:
            SEND_STRING("tail -f ");
            break;
        case SHELL_SCREENRD:
            SEND_STRING("screen -r -d ");
            break;
        case SHELL_SCREEN_NEW:
            SEND_STRING("screen -S ");
            break;
        case SHELL_SCREEN_LIST:
            SEND_STRING("screen -list\n");
            break;

        case SHELL_GIT_DIFF:
            SEND_STRING("git diff\n");
            break;

        case SHELL_GIT_STATUS:
            SEND_STRING("git status\n");
            break;            

        case WINDOWS10_WORKSPACE_LEFT:
            tap_code16(C(G(KC_LEFT)));
            break;
        case WINDOWS10_WORKSPACE_RIGHT:
            tap_code16(C(G(KC_RIGHT)));
            break;
        case WINDOWS10_TASK_VIEW:
            tap_code16(G(KC_TAB));
            break;
        // linux screen shortcuts
        case SCREEN_TAB_LEFT:
            SEND_STRING(SS_LCTL("a") "p");
            break;
        case SCREEN_TAB_RIGHT:
            SEND_STRING(SS_LCTL("a") "n");
            break;
        case SCREEN_NEW_TAB:
            SEND_STRING(SS_LCTL("a") "c");
            break;
        case SCREEN_DETACH:
            SEND_STRING(SS_LCTL("a") "d");
            break;
        case SCREEN_RENAME:
            SEND_STRING(SS_LCTL("a") "A");
            break;
        case SCREEN_NUMBER:
            SEND_STRING(SS_LCTL("a") ":number ");
            break;
        case SCREEN_0:
            SEND_STRING(SS_LCTL("a") "0");
            break;
        case SCREEN_1:
            SEND_STRING(SS_LCTL("a") "1");
            break;
        case SCREEN_2:
            SEND_STRING(SS_LCTL("a") "2");
            break;
        case SCREEN_3:
            SEND_STRING(SS_LCTL("a") "3");
            break;
        case SCREEN_4:
            SEND_STRING(SS_LCTL("a") "4");
            break;
        case SCREEN_5:
            SEND_STRING(SS_LCTL("a") "5");
            break;
        case SCREEN_6:
            SEND_STRING(SS_LCTL("a") "6");
            break;
        case SCREEN_7:
            SEND_STRING(SS_LCTL("a") "7");
            break;
        case SCREEN_8:
            SEND_STRING(SS_LCTL("a") "8");
            break;
        case SCREEN_9:
            SEND_STRING(SS_LCTL("a") "9");
            break;
        case SCREEN_COPY_MODE:
            SEND_STRING(SS_LCTL("a") "[");
            break;
        case SCREEN_PASTE:
            SEND_STRING(SS_LCTL("a") "]");
            break;
        case SCREEN_KILL:
            SEND_STRING(SS_LCTL("a") "ky");
            break;            
        case SCREEN_READREG_1:
            SEND_STRING(SS_LCTL("a") ":readreg 1\n");
            break;
        case SCREEN_READREG_2:
            SEND_STRING(SS_LCTL("a") ":readreg 2\n");
            break;
        case SCREEN_READREG_3:
            SEND_STRING(SS_LCTL("a") ":readreg 3\n");
            break;

        case SCREEN_PASTEREG_1:
            SEND_STRING(SS_LCTL("a") ":paste 1\n");
            break;
        case SCREEN_PASTEREG_2:
            SEND_STRING(SS_LCTL("a") ":paste 2\n");
            break;
        case SCREEN_PASTEREG_3:
            SEND_STRING(SS_LCTL("a") ":paste 3\n");
            break;
    }
  }

  return true;
}


bool caps_word_press_user(uint16_t keycode) {
    switch (keycode) {
        // Keycodes that continue Caps Word, with shift applied.
        case KC_A ... KC_Z:
            add_weak_mods(MOD_BIT(KC_LSFT));  // Apply shift to next key.        
            return true;

        default:
            return false;  // Deactivate Caps Word.
    }
}


void tap_dance_tap_hold_finished(tap_dance_state_t *state, void *user_data) {
    tap_dance_tap_hold_t *tap_hold = (tap_dance_tap_hold_t *)user_data;

    if (state->pressed) {
        if (state->count == 1
#ifndef PERMISSIVE_HOLD
            && !state->interrupted
#endif
        ) {
            register_code16(tap_hold->hold);
            tap_hold->held = tap_hold->hold;
        } else {
            register_code16(tap_hold->tap);
            tap_hold->held = tap_hold->tap;
        }
    }
}

void tap_dance_tap_hold_reset(tap_dance_state_t *state, void *user_data) {
    tap_dance_tap_hold_t *tap_hold = (tap_dance_tap_hold_t *)user_data;

    if (tap_hold->held) {
        unregister_code16(tap_hold->held);
        tap_hold->held = 0;
    }
}


// Tap Dance definitions
tap_dance_action_t tap_dance_actions[] = {
    // Tap once for Escape, twice for Caps Lock
    // [TD_BSPC_CTL_BSPC] = ACTION_TAP_DANCE_DOUBLE(KC_BSPC, RCTL(KC_BSPC)),
    // [TD_BSPC_CTL_BSPC_IOS] = ACTION_TAP_DANCE_DOUBLE(KC_BSPC, LALT(KC_BSPC)),
    [TD_DEL_WORD_DEL] = ACTION_TAP_DANCE_TAP_HOLD(RCTL(KC_BSPC), KC_BSPC),
    [TD_DEL_WORD_DEL_IOS] = ACTION_TAP_DANCE_TAP_HOLD(LALT(KC_BSPC), KC_BSPC)
};