203 lines
9 KiB
C
203 lines
9 KiB
C
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/* Copyright 2020 Dimitris Papavasiliou <dpapavas@protonmail.ch>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include QMK_KEYBOARD_H
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#define CAPS_SFT MT(MOD_LSFT, KC_CAPS)
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#define QUOT_SFT MT(MOD_RSFT, KC_QUOT)
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#define PSCR_SFT MT(MOD_LSFT, KC_PSCR)
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#define PAUSE_SFT MT(MOD_RSFT, KC_PAUSE)
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#define F_SFT MT(MOD_LSFT, KC_F)
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#define J_SFT MT(MOD_RSFT, KC_J)
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#define PGUP_GUI MT(MOD_LGUI, KC_PGUP)
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#define END_GUI MT(MOD_LGUI, KC_END)
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#define UP_GUI MT(MOD_RGUI, KC_UP)
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#define LEFT_GUI MT(MOD_RGUI, KC_LEFT)
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#define EQL_CTL MT(MOD_RCTL, KC_EQL)
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#define MINS_CTL MT(MOD_LCTL, KC_MINS)
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#define BSPC_ALT LALT_T(KC_BSPC)
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#define ENT_ALT LALT_T(KC_ENT)
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#define SPC_ALT RALT_T(KC_SPC)
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#define DEL_ALT RALT_T(KC_DEL)
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enum tapdance_keycodes {
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TD_LEFT,
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TD_RGHT,
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TD_C_X
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};
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const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
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[0] = LAYOUT(
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/* Left hand */ /* Right hand */
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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_ESC,
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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_BSLS,
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CAPS_SFT, KC_A, KC_S, KC_D, F_SFT, KC_G, KC_H, J_SFT, KC_K, KC_L, KC_SCLN, QUOT_SFT,
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PSCR_SFT, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, PAUSE_SFT,
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TD(TD_LEFT), KC_INS, KC_LBRC, MINS_CTL, BSPC_ALT, DEL_ALT, TD(TD_C_X), TD(TD_C_X), ENT_ALT, SPC_ALT, EQL_CTL, KC_RBRC, KC_DEL, TD(TD_RGHT),
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KC_HOME, PGUP_GUI, END_GUI, LEFT_GUI, UP_GUI, KC_RGHT,
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KC_PGDN, KC_DOWN
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),
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[1] = LAYOUT(
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/* Left hand */ /* Right hand */
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KC_TRNS, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_TRNS,
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KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_F11,
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KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_F12,
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KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
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KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, RESET, RESET, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
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KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
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KC_TRNS, KC_TRNS
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),
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};
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/* The following helper macros define tap dances that support
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* separated press, release, tap and double-tap functions. */
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#define STEPS(DANCE) [DANCE] = ACTION_TAP_DANCE_FN_ADVANCED( \
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NULL, \
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dance_ ## DANCE ## _finished, \
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dance_ ## DANCE ## _reset)
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#define CHOREOGRAPH(DANCE, PRESS, RELEASE, TAP, DOUBLETAP) \
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static bool dance_ ## DANCE ## _pressed; \
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\
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void dance_ ## DANCE ## _finished(qk_tap_dance_state_t *state, void *user_data) { \
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if (state->count == 1) { \
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if (state->pressed) { \
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dance_ ## DANCE ## _pressed = true; \
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PRESS; \
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} else { \
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TAP; \
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} \
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} else if (state->count == 2) { \
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if (!state->pressed) { \
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DOUBLETAP; \
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} \
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} \
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} \
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\
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void dance_ ## DANCE ## _reset(qk_tap_dance_state_t *state, void *user_data) { \
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if (state->count == 1) { \
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if (dance_ ## DANCE ## _pressed) { \
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RELEASE; \
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dance_ ## DANCE ## _pressed = false; \
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} \
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} \
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}
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/* Define dance for left palm key. */
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CHOREOGRAPH(TD_LEFT,
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layer_invert(1), /* Temporarily toggle layer when held. */
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layer_invert(1),
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/* Press and release both shifts on tap, to change
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* keyboard layout (i.e. language). */
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SEND_STRING(SS_DOWN(X_LSFT) SS_DOWN(X_RSFT)
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SS_UP(X_LSFT) SS_UP(X_RSFT)),
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layer_invert(1)); /* Toggle layer (permanently) on
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* double-tap. */
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/* Define dance for right palm key. */
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CHOREOGRAPH(TD_RGHT,
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layer_invert(1), /* Same as above */
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layer_invert(1),
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/* Send a complex macro: C-x C-s Mod-t up. (Save in
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* Emacs, switch to terminal and recall previous command,
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* hopefully a compile command.) */
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SEND_STRING(SS_DOWN(X_LCTRL) SS_TAP(X_X) SS_TAP(X_S) SS_UP(X_LCTRL)
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SS_DOWN(X_LGUI) SS_TAP(X_T) SS_UP(X_LGUI) SS_TAP(X_UP)),
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layer_invert(1));
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/* This facilitates C-x chords in Emacs. Used as a modifier along
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* with, say, the s-key, it saves, by sending C-x C-s. When tapped it
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* just sends C-x. */
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CHOREOGRAPH(TD_C_X,
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SEND_STRING(SS_DOWN(X_LCTRL) SS_TAP(X_X)),
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SEND_STRING(SS_UP(X_LCTRL)),
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SEND_STRING(SS_DOWN(X_LCTRL) SS_TAP(X_X) SS_UP(X_LCTRL)),);
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qk_tap_dance_action_t tap_dance_actions[] = {
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STEPS(TD_LEFT), STEPS(TD_RGHT), STEPS(TD_C_X)
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};
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/* Set a longer tapping term for palm keys to allow comfortable
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* permanent layer toggle. Also set an essentially infinite tapping
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* term for certain mod-tap keys one tends to keep pressed (such as
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* space, backspace, etc.). This prevents sending the modifier
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* keycode by accident (allowing re-tap to get repeated key-press)
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* and, in combination with permissive hold, they can still be used
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* fine as modifiers. */
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uint16_t get_tapping_term(uint16_t keycode, keyrecord_t *record) {
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switch (keycode) {
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case TD(TD_LEFT):
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case TD(TD_RGHT):
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return 250;
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case BSPC_ALT:
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case UP_GUI:
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case LEFT_GUI:
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return 5000;
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default:
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return TAPPING_TERM;
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}
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}
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bool get_permissive_hold(uint16_t keycode, keyrecord_t *record) {
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switch (keycode) {
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case TD(TD_LEFT):
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case TD(TD_RGHT):
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case BSPC_ALT:
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case UP_GUI:
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case LEFT_GUI:
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return true;
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default:
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return false;
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}
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}
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/* Use the first LED to indicate the active layer. */
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layer_state_t layer_state_set_user(layer_state_t state) {
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writePin(D0, (get_highest_layer(state) > 0));
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return state;
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}
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/* Cycle through the LEDs after initialization. */
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void keyboard_post_init_user(void) {
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const pin_t pins[] = {D0, D1, D2};
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uint8_t i, j;
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for (i = 0 ; i < sizeof(pins) / sizeof(pins[0]) + 2 ; i += 1) {
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for (j = 0 ; j < sizeof(pins) / sizeof(pins[0]) ; j += 1) {
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setPinOutput(pins[j]);
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writePin(pins[j], (j == i || j == i - 1));
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}
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wait_ms(100);
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}
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}
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