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/* © 2023 Tony Zorman <soliditsallgood@mailbox.org> (@slotThe)
*
* 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 3 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
// NOTE: `M-x occur RET /// RET' gives a good overview.
/// General macros
#define LSPR_SC LGUI_T(KC_SCLN)
#define LALT_BR LALT_T(KC_LBRC)
#define LSFT_INS LSFT(KC_INS)
#define OSMSFT OSM(MOD_LSFT)
#define Z_SFT LSFT_T(KC_Z)
#define ZE_SFT LSFT_T(KC_0)
#define SL_SFT RSFT_T(KC_SLSH)
#define RETSPR LGUI_T(KC_ENT)
/// Tap dance declarations
// So far, tap dances do different things on
//
// - a single press,
// - a double press,
// - when held,
//
// so expect this many keys as comments.
enum tap_dances {
ALT_BR, // [ ] lalt (also works shifted, which gets us { and } for free)
CTL_PR, // ( ) lctl
SFT_CI, // ^ ^ lsft (working around LSFT_T not being able to output shifted keys)
SFT_EX, // ! ! lsft (ditto)
};
#define CTLPAR TD(CTL_PR)
#define ALTBRC TD(ALT_BR)
#define SFTCRC TD(SFT_CI)
#define SFTEXL TD(SFT_EX)
/// Macro declarations
enum custom_keycodes {
// -> <- =<< >>= <*> <* *> <$> <&> <|> => ::
RARR = SAFE_RANGE, LARR, LBND, RBND, APP, RAPP, LAPP, FMAP, PAMF, AALT, IMPLS, DCOL,
};
/// Key overrides
const key_override_t **key_overrides = (const key_override_t *[]){
&ko_make_basic(MOD_MASK_SHIFT, KC_BSPC, KC_DEL), // S-BSP ≡ DEL
// Emacs got me used to these, so let's convince other programs that
// we are in fact sending the correct keys.
&ko_make_basic(MOD_MASK_CTRL, KC_I, KC_TAB), // C-i ≡ Tab
&ko_make_basic(MOD_MASK_CTRL, KC_M, KC_ENT), // C-m ≡ Return
NULL // Null terminate the array of overrides
};
/// Layers
enum layer_names { _COLEMAK_DH, _LOWER, _RAISE, _ADJUST };
#define LOWER MO(_LOWER)
#define RAISE MO(_RAISE)
#define ADJUST MO(_ADJUST)
#define D_RAISE LT(_RAISE, KC_DOT)
const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
/* Colemak base layer
.-----.-----.-----.-----.-----. .-----.-----.-----.-----.-----.
| Q | W | F | P | B | | J | L | U | Y | ;+S |
.-----.-----.-----.-----.-----. .-----.-----.-----.-----.-----.
| A | R | S | T | G | | M | N | E | I | O |
.-----.-----.-----.-----.-----.-----.-----.-----.-----.-----.-----.-----.
| S+Z | X | C | D | V | ARP | REP | K | H | , | . | S+/ |
.-----.-----.-----.-----.-----.-----.-----.-----.-----.-----.-----.-----.
| ESC | TAB | SPR | L1 | SPC | A[] | BSC | C() | L2 | - | ' | RET |
.-----.-----.-----.-----.-----.-----.-----.-----.-----.-----.-----.-----.
*/
[_COLEMAK_DH] = LAYOUT(
KC_Q, KC_W, KC_F, KC_P, KC_B, KC_J, KC_L, KC_U, KC_Y, LSPR_SC,
KC_A, KC_R, KC_S, KC_T, KC_G, KC_M, KC_N, KC_E, KC_I, KC_O,
Z_SFT, KC_X, KC_C, KC_D, KC_V, QK_AREP, QK_REP, KC_K, KC_H, KC_COMM, D_RAISE, SL_SFT,
KC_ESC, KC_TAB, KC_LGUI, LOWER, KC_SPC, ALTBRC, KC_BSPC, CTLPAR, RAISE, KC_MINS, KC_QUOT, KC_ENT),
/* Layer 1 (LOWER)
.-----.-----.-----.-----.-----. .-----.-----.-----.-----.-------.
| & | *> | >>= | <&> | | | = | + | * | - | RET+M |
.-----.-----.-----.-----.-----. .-----.-----.-----.-----.-------.
| :: | => | =<< | <|> | @ | | LFT | UP | DWN | RGT | \ |
.-----.-----.-----.-----.-----.-----.-----.-----.-----.-----.-----.-------.
| !+S | <* | <*> | <$> | <- | | MEN | -> | $ | # | % | ^+S |
.-----.-----.-----.-----.-----.-----.-----.-----.-----.-----.-----.-------.
| | | | | | | | | L3 | ALT | | S-I |
.-----.-----.-----.-----.-----.-----.-----.-----.-----.-----.-----.-------.
*/
[_LOWER] = LAYOUT(
KC_AMPR, RAPP, RBND, PAMF, _______, KC_EQL, KC_PLUS, KC_ASTR, KC_MINS, RETSPR,
DCOL, IMPLS, LBND, AALT, KC_AT, KC_LEFT, KC_DOWN, KC_UP, KC_RGHT, KC_BSLS,
SFTEXL, LAPP, APP, FMAP, LARR, _______, KC_APP, RARR, KC_DLR, KC_HASH, KC_PERC, SFTCRC,
_______, _______, _______, _______, _______, _______, _______, _______, ADJUST, KC_LALT, _______, LSFT_INS),
/* Layer 2 (RAISE)
.-----.-----.-----.-----.-----. .-----.-----.-----.-----.-----.
| | 7 | 8 | 9 | | | | + | * | - | |
.-----.-----.-----.-----.-----. .-----.-----.-----.-----.-----.
| : | 4 | 5 | 6 | = | | & | ` | _ | ' | " |
.-----.-----.-----.-----.-----.-----.-----.-----.-----.-----.-----.-----.
| 0+S | 1 | 2 | 3 | | | | | ! | # | % | ^+S |
.-----.-----.-----.-----.-----.-----.-----.-----.-----.-----.-----.-----.
| | | | L3 | | | | | | | | |
.-----.-----.-----.-----.-----.-----.-----.-----.-----.-----.-----.-----.
*/
[_RAISE] = LAYOUT(
KC_DOT, KC_7, KC_8, KC_9, _______, _______, KC_PLUS, KC_ASTR, KC_MINS, _______,
KC_COLN, KC_4, KC_5, KC_6, KC_EQL, KC_AMPR, KC_GRV, KC_UNDS, KC_QUOT, KC_DQT,
ZE_SFT, KC_1, KC_2, KC_3, _______, _______, _______, _______, KC_EXLM, KC_HASH, KC_PERC, SFTCRC,
_______, _______, _______, ADJUST, _______, _______, _______, _______, _______, _______, _______, _______),
/* Layer 3 (ADJUST)
.-----.-----.-----.-----.-----. .-----.-----.-----.-----.-----.
| | | | | | | | F7 | F8 | F9 | F10 |
.-----.-----.-----.-----.-----. .-----.-----.-----.-----.-----.
| | | | | | | | F4 | F5 | F6 | F11 |
.-----.-----.-----.-----.-----.-----.-----.-----.-----.-----.-----.-----.
| | | | | | | | | F1 | F2 | F3 | F12 |
.-----.-----.-----.-----.-----.-----.-----.-----.-----.-----.-----.-----.
| | | | | | | | | | | | |
.-----.-----.-----.-----.-----.-----.-----.-----.-----.-----.-----.-----.
*/
[_ADJUST] = LAYOUT(
_______, _______, _______, _______, AC_TOGG, _______, KC_F7, KC_F8, KC_F9, KC_F10,
_______, _______, _______, _______, _______, _______, KC_F4, KC_F5, KC_F6, KC_F11,
_______, _______, _______, _______, _______, _______, _______, _______, KC_F1, KC_F2, KC_F3, KC_F12,
_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______)
};
/// Macro definitions
bool process_record_user(uint16_t keycode, keyrecord_t *record) {
switch (keycode) {
case RARR:
if (record->event.pressed) SEND_STRING("->"); break;
case LARR:
if (record->event.pressed) SEND_STRING("<-"); break;
case LBND:
if (record->event.pressed) SEND_STRING("=<<"); break;
case RBND:
if (record->event.pressed) SEND_STRING(">>="); break;
case APP:
if (record->event.pressed) SEND_STRING("<*>"); break;
case RAPP:
if (record->event.pressed) SEND_STRING("*>"); break;
case LAPP:
if (record->event.pressed) SEND_STRING("<*"); break;
case FMAP:
if (record->event.pressed) SEND_STRING("<$>"); break;
case PAMF:
if (record->event.pressed) SEND_STRING("<&>"); break;
case AALT:
if (record->event.pressed) SEND_STRING("<|>"); break;
case IMPLS:
if (record->event.pressed) SEND_STRING("=>"); break;
case DCOL:
if (record->event.pressed) SEND_STRING("::"); break;
}
return true;
};
//// Tap dance definitions
// Heavily inspired by:
//
// https://docs.qmk.fm/?ref=blog.splitkb.com#/feature_tap_dance?id=example-4
typedef enum {
TD_NONE,
TD_UNKNOWN,
TD_SINGLE_TAP,
TD_SINGLE_HOLD,
TD_DOUBLE_TAP,
} td_state_t;
typedef struct {
bool is_press_action;
td_state_t state;
} td_tap_t;
// Return an integer that corresponds to what kind of tap dance should
// be executed.
//
// Interrupted: If the state of a dance is "interrupted", that means
// that another key has been hit under the tapping term.
//
// Pressed: Whether or not the key is still being pressed. If this value
// is true, that means the tapping term has ended, but the key is still
// being pressed down. This generally means the key is being "held".
td_state_t cur_dance(tap_dance_state_t *state) {
if (state->count == 1) {
if (state->pressed) return TD_SINGLE_HOLD;
else return TD_SINGLE_TAP;
} else if (state->count == 2) return TD_DOUBLE_TAP;
else return TD_UNKNOWN;
}
//// ALT_BR
static td_tap_t alt_br_state = {
.is_press_action = true,
.state = TD_NONE
};
void lalt_br_finished(tap_dance_state_t *state, void *user_data) {
alt_br_state.state = cur_dance(state);
switch (alt_br_state.state) {
case TD_SINGLE_TAP: register_code(KC_LBRC); break;
case TD_SINGLE_HOLD: register_code(KC_LALT); break;
case TD_DOUBLE_TAP: register_code(KC_RBRC); break;
default: break;
}
}
void lalt_br_reset(tap_dance_state_t *state, void *user_data) {
switch (alt_br_state.state) {
case TD_SINGLE_TAP: unregister_code(KC_LBRC); break;
case TD_SINGLE_HOLD: unregister_code(KC_LALT); break;
case TD_DOUBLE_TAP: unregister_code(KC_RBRC); break;
default: break;
}
alt_br_state.state = TD_NONE;
}
//// LCTL_PR
static td_tap_t lctl_pr_state = {
.is_press_action = true,
.state = TD_NONE
};
void lctl_pr_finished(tap_dance_state_t *state, void *user_data) {
lctl_pr_state.state = cur_dance(state);
switch (lctl_pr_state.state) {
case TD_SINGLE_TAP: register_code16(KC_LPRN); break;
case TD_SINGLE_HOLD: register_code(KC_LCTL); break;
case TD_DOUBLE_TAP: register_code16(KC_RPRN); break;
default: break;
}
}
void lctl_pr_reset(tap_dance_state_t *state, void *user_data) {
switch (lctl_pr_state.state) {
case TD_SINGLE_TAP: unregister_code16(KC_LPRN); break;
case TD_SINGLE_HOLD: unregister_code(KC_LCTL); break;
case TD_DOUBLE_TAP: unregister_code16(KC_RPRN); break;
default: break;
}
lctl_pr_state.state = TD_NONE;
}
//// SFT_CI
static td_tap_t lsft_ci_state = {
.is_press_action = true,
.state = TD_NONE
};
void lsft_ci_finished(tap_dance_state_t *state, void *user_data) {
lsft_ci_state.state = cur_dance(state);
switch (lsft_ci_state.state) {
case TD_SINGLE_TAP: register_code16(KC_CIRC); break;
case TD_SINGLE_HOLD: register_code(KC_LSFT); break;
default: break;
}
}
void lsft_ci_reset(tap_dance_state_t *state, void *user_data) {
switch (lsft_ci_state.state) {
case TD_SINGLE_TAP: unregister_code16(KC_CIRC); break;
case TD_SINGLE_HOLD: unregister_code(KC_LSFT); break;
default: break;
}
lsft_ci_state.state = TD_NONE;
}
//// SFT_EX
static td_tap_t lsft_ex_state = {
.is_press_action = true,
.state = TD_NONE
};
void lsft_ex_finished(tap_dance_state_t *state, void *user_data) {
lsft_ex_state.state = cur_dance(state);
switch (lsft_ex_state.state) {
case TD_SINGLE_TAP: register_code16(KC_EXLM); break;
case TD_SINGLE_HOLD: register_code(KC_LSFT); break;
default: break;
}
}
void lsft_ex_reset(tap_dance_state_t *state, void *user_data) {
switch (lsft_ex_state.state) {
case TD_SINGLE_TAP: unregister_code16(KC_EXLM); break;
case TD_SINGLE_HOLD: unregister_code(KC_LSFT); break;
default: break;
}
lsft_ex_state.state = TD_NONE;
}
//// Actually define the tap-dance actions
tap_dance_action_t tap_dance_actions[] = {
[ALT_BR] = ACTION_TAP_DANCE_FN_ADVANCED(NULL, lalt_br_finished, lalt_br_reset),
[CTL_PR] = ACTION_TAP_DANCE_FN_ADVANCED(NULL, lctl_pr_finished, lctl_pr_reset),
[SFT_CI] = ACTION_TAP_DANCE_FN_ADVANCED(NULL, lsft_ci_finished, lsft_ci_reset),
[SFT_EX] = ACTION_TAP_DANCE_FN_ADVANCED(NULL, lsft_ex_finished, lsft_ex_reset),
};
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