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+/* Copyright 2021 James R. Maynard III <jaymaynard@gmail.com>
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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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+
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+enum custom_keycodes {
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+ JM_DOT = SAFE_RANGE, // . both shifted and unshifted
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+ JM_COMM, // , both shifted and unshifted
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+ JM_GRLS, // < and > on one key
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+ JM_CBRC, // { and } on one key
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+ JM_CENT, // cent sign and ! on one key
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+ JM_JUMP, // JUMP/PA3,
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+ JM_DEL // Delete
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+};
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+
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+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
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+ // PC/3270 layout: PC legends (blue)
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+ [0] = LAYOUT(
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+ KC_F13, KC_F14, KC_F15, KC_F16, KC_F17, KC_F18, KC_F19, KC_F20, KC_F21, KC_F22, KC_F23, KC_F24,
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+ KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12,
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+ KC_NO, KC_NO, KC_GRV, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, KC_MINS, KC_EQL, KC_BSPC, KC_ESC, KC_PGUP, KC_PGDN, KC_NLCK, KC_SLCK, KC_PAST, KC_PSLS,
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+ KC_NO, KC_PAUS, KC_TAB, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_LBRC, KC_RBRC, KC_ENT, KC_END, KC_INS, KC_DEL, KC_P7, KC_P8, KC_P9, KC_PPLS,
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+ KC_NO, KC_NO, KC_CAPS, KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_QUOT, KC_BSLS, KC_UP, KC_P4, KC_P5, KC_P6, KC_PMNS,
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+ KC_PSCR, KC_NO, KC_LSFT, JM_GRLS, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, KC_RSFT, KC_LEFT, KC_HOME, KC_RIGHT, KC_P1, KC_P2, KC_P3, KC_PENT,
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+ MO(10), KC_LGUI, KC_LCTL, KC_LALT, KC_SPC, KC_RALT, KC_RCTL, KC_DOWN, KC_P0, KC_PDOT
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+ ),
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+
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+ // PC/3270 layout: 3270 legends (black), with x3270 keycodes
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+ [1] = LAYOUT(
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+ A(KC_F1), A(KC_F2), A(KC_F3), A(KC_F4), A(KC_F5), A(KC_F6), A(KC_F7), A(KC_F8), A(KC_F9), A(KC_F10), A(KC_F11), A(KC_F12),
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+ KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12,
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+ A(KC_A), A(KC_C), KC_GRV, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, KC_MINS, KC_EQL, KC_BSPC, A(KC_1), A(KC_2), JM_JUMP, KC_NO, KC_NO, KC_PCMM, KC_SPC,
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+ KC_CRSEL, KC_PAUS, KC_TAB, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, JM_CENT, KC_BSLS, S(KC_ENT), S(KC_TAB), KC_INS, JM_DEL, KC_P7, KC_P8, KC_P9, KC_TAB,
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+ KC_EXSEL, A(KC_E), KC_CAPS, KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_QUOT, JM_CBRC, KC_UP, KC_P4, KC_P5, KC_P6, KC_PMNS,
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+ A(KC_B), C(KC_C), KC_LSFT, JM_GRLS, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, JM_COMM, JM_DOT, KC_SLSH, KC_RSFT, KC_LEFT, A(KC_H), KC_RIGHT, KC_P1, KC_P2, KC_P3, KC_PENT,
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+ MO(10), KC_LGUI, A(KC_R), KC_LALT, KC_SPC, KC_RALT, KC_ENT, KC_DOWN, KC_P0, KC_PDOT
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+ ),
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+
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+// Function layer, accessed by the Zoom key
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+ [10] = LAYOUT(
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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, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
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+ DF(0), DF(1), KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, 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, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, 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, KC_TRNS, KC_TRNS, 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, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, 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, MO(11), KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS
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+ ),
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+
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+// Firmware layer, accessed by the Zoom/Space key pair (hold both down)
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+ [11] = LAYOUT(
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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, 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, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, 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, EEP_RST, RESET, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, 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, DEBUG, KC_TRNS, KC_TRNS, 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, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, 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, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS
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+ ),
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+};
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+
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+bool left_shift_down = false;
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+bool right_shift_down = false;
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+bool left_alt_down = false;
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+bool right_alt_down = false;
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+
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+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
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+ switch (keycode) {
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+ case KC_LSHIFT:
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+ if (record->event.pressed) {
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+ left_shift_down = true;
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+ return true;
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+ } else {
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+ left_shift_down = false;
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+ return true;
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+ }
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+ break;
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+ case KC_RSHIFT:
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+ if (record->event.pressed) {
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+ right_shift_down = true;
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+ return true;
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+ } else {
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+ right_shift_down = false;
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+ return true;
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+ }
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+ break;
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+ case KC_LALT:
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+ if (record->event.pressed) {
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+ left_alt_down = true;
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+ return true;
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+ } else {
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+ left_alt_down = false;
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+ return true;
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+ }
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+ break;
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+ case KC_RALT:
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+ if (record->event.pressed) {
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+ right_alt_down = true;
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+ return true;
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+ } else {
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+ right_alt_down = false;
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+ return true;
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+ }
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+ break;
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+ case JM_GRLS:
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+ if (left_shift_down || right_shift_down) {
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+ if(record->event.pressed) {
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+ SEND_STRING(">");
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+ }
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+ return false;
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+ } else {
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+ if(record->event.pressed) {
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+ SEND_STRING("<");
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+ }
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+ return false;
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+ }
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+ break;
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+ case JM_CBRC:
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+ if (left_shift_down || right_shift_down) {
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+ if (record->event.pressed) {
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+ SEND_STRING("}");
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+ }
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+ return false;
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+ } else {
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+ if(record->event.pressed) {
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+ SEND_STRING("{");
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+ }
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+ return false;
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+ }
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+ break;
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+ case JM_CENT:
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+ if (left_shift_down || right_shift_down) {
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+ if (record->event.pressed) {
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+ SEND_STRING("!");
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+ }
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+ return false;
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+ } else {
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+ if (record->event.pressed) {
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+ SEND_STRING("<"); // TODO: what does tn3270 want for a cent sign?
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+ }
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+ return false;
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+ }
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+ break;
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+ case JM_COMM:
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+ if (record->event.pressed){
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+ SEND_STRING(",");
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+ }
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+ return false;
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+ case JM_DOT:
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+ if (record->event.pressed) {
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+ SEND_STRING(".");
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+ }
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+ return false;
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+ case JM_JUMP:
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+ if (record->event.pressed) {
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+ if (left_alt_down || right_alt_down) {
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+ SEND_STRING("3");
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+ }
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+ }
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+ return false;
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+ case JM_DEL:
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+ if (record->event.pressed) {
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+ if (left_alt_down || right_alt_down) {
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+ unregister_code(KC_LALT);
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+ unregister_code(KC_RALT);
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+ tap_code16(C(KC_W));
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+ if (left_alt_down) {
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+ register_code(KC_LALT);
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+ }
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+ if (right_alt_down) {
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+ register_code(KC_RALT);
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+ }
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+ } else {
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+ tap_code16(KC_DEL);
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+ }
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+ }
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+ return false;
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+ }
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+
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+ return true;
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+}
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jmaynard