mirror of
https://github.com/qmk/qmk_firmware.git
synced 2024-12-23 01:49:54 +00:00
278 lines
14 KiB
C
278 lines
14 KiB
C
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/* Copyright 2022 elliotpatros
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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 2 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 <http://www.gnu.org/licenses/>.
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*/
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#include QMK_KEYBOARD_H
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// Layer definitions
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enum custom_layers {
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_COLEMAK,
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_FUNCTION,
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};
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// Custom keycodes, implemented later, in function: process_record_user()
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enum custom_keycodes {
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CTL_ESC = SAFE_RANGE, // mod tap: left control / esc
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SFT_ENT, // mod tap: left shift / enter
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LST_PRN, // mod tap: left shift / left parenthesis
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RST_PRN, // mod tap: right shift / right parenthesis
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};
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// Shorthand keycode definitions
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#define OSM_CAG OSM(MOD_LCTL | MOD_LALT | MOD_LGUI)
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#define LT_BSFN LT(_FUNCTION, KC_BSLS)
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// The layout
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const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
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// Default layer
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[_COLEMAK] = LAYOUT (
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// ┌────────┬────────┬────────┬────────┬────────┬────────┐ ┌────────┬────────┬────────┬────────┬────────┬────────┐
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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_MINS,
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// ├────────┼────────┼────────┼────────┼────────┼────────┤ ├────────┼────────┼────────┼────────┼────────┼────────┤
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KC_TAB, KC_Q, KC_W, KC_F, KC_P, KC_G, KC_J, KC_L, KC_U, KC_Y, KC_SCLN, KC_EQL,
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// ├────────┼────────┼────────┼────────┼────────┼────────┤ ├────────┼────────┼────────┼────────┼────────┼────────┤
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CTL_ESC, KC_A, KC_R, KC_S, KC_T, KC_D, KC_H, KC_N, KC_E, KC_I, KC_O, KC_QUOT,
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// ├────────┼────────┼────────┼────────┼────────┼────────┼────────┐┌────────┼────────┼────────┼────────┼────────┼────────┼────────┤
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LST_PRN, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_SPC, KC_ENT, KC_K, KC_M, KC_COMM, KC_DOT, KC_SLSH, RST_PRN,
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// └────────┴────────┴────────┴────────┼────────┼────────┼────────┘└────────┼────────┴────────┴────────┴────────┴────────┴────────┘
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KC_LALT, KC_LGUI, SFT_ENT, KC_SPC, LT_BSFN, KC_BSPC
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// └────────┴────────┴────────┘└────────┴────────┴────────┘
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),
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// Function (and I guess also media & navigation) layer
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[_FUNCTION] = LAYOUT (
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// ┌────────┬────────┬────────┬────────┬────────┬────────┐ ┌────────┬────────┬────────┬────────┬────────┬────────┐
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_______, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, _______,
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// ├────────┼────────┼────────┼────────┼────────┼────────┤ ├────────┼────────┼────────┼────────┼────────┼────────┤
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_______, KC_GRV, KC_LPRN, KC_RPRN, KC_F11, KC_F12, KC_INS, KC_HOME, KC_UP, KC_PGUP, _______, _______,
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// ├────────┼────────┼────────┼────────┼────────┼────────┤ ├────────┼────────┼────────┼────────┼────────┼────────┤
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_______, KC_LCBR, KC_LBRC, KC_RBRC, KC_RCBR, OSM_CAG, KC_VOLU, KC_LEFT, KC_DOWN, KC_RGHT, KC_BSPC, _______,
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// ├────────┼────────┼────────┼────────┼────────┼────────┼────────┐┌────────┼────────┼────────┼────────┼────────┼────────┼────────┤
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_______, _______, _______, _______, _______, KC_MUTE, _______, _______, KC_VOLD, KC_DEL, KC_END, KC_PGDN, _______, _______,
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// └────────┴────────┴────────┴────────┼────────┼────────┼────────┘└────────┼────────┴────────┴────────┴────────┴────────┴────────┘
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_______, _______, _______, _______, _______, _______
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// └────────┴────────┴────────┘└────────┴────────┴────────┘
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)
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};
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static inline bool dualfunckey_was_tapped(const uint16_t time_when_pressed) {
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return timer_elapsed(time_when_pressed) < TAPPING_TERM;
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}
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bool process_record_user(uint16_t keycode, keyrecord_t* record) {
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// Static variables
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static uint16_t timer_control_escape = 0;
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static uint16_t timer_shift_enter = 0;
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static uint16_t timer_shift_lparen = 0;
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static uint16_t timer_shift_rparen = 0;
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static bool dualfunckey_pending = false;
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static bool shift_enter_is_pressed = false;
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static bool shift_lparen_is_pressed = false;
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// Was this function called to handle a keydown? If not, it was called by a
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// key up.
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const bool pressed = record->event.pressed;
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// Any keydown (at all) spends a pending dual function key check. Why? If,
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// for example, you use shift to type a capital letter, and shift keys down
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// and up faster than the tapping term, did you mean to call shift's tapping
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// key? No. You just meant to call shift.
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if (pressed) {
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dualfunckey_pending = false;
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}
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// Only keycodes >= SAFE_RANGE are handled in this function
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if (keycode < SAFE_RANGE) {
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// This keypress was not handled
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return true;
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}
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// Handle custom keypresses here
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switch (keycode) {
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// -------------------------------------------------------------------------
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// Dual function key (hold: left shift; tap: enter)
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// -------------------------------------------------------------------------
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case SFT_ENT:
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// There are multiple keys that are mapped to left shift. Keep track of
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// which are pressed
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shift_enter_is_pressed = pressed;
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// Handle keypress routine
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if (pressed) {
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// The [left shift/enter] key was pressed
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register_code(KC_LSFT);
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// Save keydown time for checking hold/tap on keyup
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timer_shift_enter = timer_read();
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// Pressing a dual function key requires a hold/tap check on key up
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dualfunckey_pending = true;
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} else {
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// The [left shift/enter] key was unpressed
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// Note: unregister shift before pressing ENT so that ENT registers
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// correctly
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// If no other left shift keys are currently pressed, unregister it
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if (! shift_lparen_is_pressed) {
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unregister_code(KC_LSFT);
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}
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// If a pending dual function key hasn't been used yet, use it here
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if (dualfunckey_pending && dualfunckey_was_tapped(timer_shift_enter)) {
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tap_code(KC_ENT);
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dualfunckey_pending = false;
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}
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}
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// This keypress was handled
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return false;
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// -------------------------------------------------------------------------
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// Dual function key (hold: left control; tap: escape)
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// -------------------------------------------------------------------------
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case CTL_ESC:
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// Handle keypress routine
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if (pressed) {
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// Control/escape key was pressed
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register_code(KC_LCTL);
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// Save keydown time for checking hold/tap on keyup
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timer_control_escape = timer_read();
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// Pressing a dual function key requires a hold/tap check on key up
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dualfunckey_pending = true;
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} else {
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// Control/escape key was unpressed
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unregister_code(KC_LCTL);
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// If a pending dual function key hasn't been used yet, use it here
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if (dualfunckey_pending && dualfunckey_was_tapped(timer_control_escape)) {
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tap_code(KC_ESC);
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dualfunckey_pending = false;
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}
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}
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// This keypress was handled
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return false;
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// -------------------------------------------------------------------------
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// Dual function key (hold: left shift; tap: left parenthesis)
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// -------------------------------------------------------------------------
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case LST_PRN:
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// There are multiple keys that are mapped to left shift. Keep track of
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// which are pressed
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shift_lparen_is_pressed = pressed;
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// Handle keypress routine
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if (pressed) {
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// The [left shift/left parenthesis] key was pressed
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register_code(KC_LSFT);
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// Save keydown time for checking hold/tap on keyup
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timer_shift_lparen = timer_read();
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// Pressing a dual function key requires a hold/tap check on key up
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dualfunckey_pending = true;
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} else {
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// The [left shift/left parenthesis] key was unpressed
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// Note: unregister shift after tapping 9 so that left parenthesis
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// registers correctly
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// If a pending dual function key hasn't been used yet, use it here
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if (dualfunckey_pending && dualfunckey_was_tapped(timer_shift_lparen)) {
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tap_code(KC_9);
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dualfunckey_pending = false;
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}
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// If no other left shift keys are currently pressed, unregister it
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if (! shift_enter_is_pressed) {
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unregister_code(KC_LSFT);
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}
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}
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// This keypress was handled
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return false;
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// -------------------------------------------------------------------------
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// Dual function key (hold: right shift; tap: right parenthesis)
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// -------------------------------------------------------------------------
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case RST_PRN:
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// Handle keypress routine
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if (pressed) {
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// The [right shift/right parenthesis] key was pressed
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register_code(KC_RSFT);
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// Save keydown time for checking hold/tap on keyup
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timer_shift_rparen = timer_read();
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// Pressing a dual function key requires a hold/tap check on key up
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dualfunckey_pending = true;
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} else {
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// The [right shift/right parenthesis] key was unpressed
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// Note: unregister shift after tapping 0 so that right parenthesis
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// registers correctly
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// If a pending dual function key hasn't been used yet, use it here
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if (dualfunckey_pending && dualfunckey_was_tapped(timer_shift_rparen)) {
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// Space cadet shift: If the [left shift/left parenthesis] key
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// is currently pressed, then tap the sequence ()
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if (shift_lparen_is_pressed) {
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tap_code(KC_9);
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}
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tap_code(KC_0);
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dualfunckey_pending = false;
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}
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unregister_code(KC_RSFT);
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}
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// This keypress was handled
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return false;
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// -------------------------------------------------------------------------
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// Some other key was pressed (this shouldn't happen)
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// -------------------------------------------------------------------------
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default:
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// This keypress was not handled
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return true;
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}
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}
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