adding personal keymap for the moonlander keyboard

keyboards/moonlander/keymaps/shahn-neo/config.h

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+/* Copyright 2020 Sönke Hahn <[email protected]>
+ *
+ * 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 2 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/>.
+ */
+
+#pragma once
+
+#define ORYX_CONFIGURATOR

keyboards/moonlander/keymaps/shahn-neo/keymap.c

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+/* Copyright 2020 Sönke Hahn <[email protected]>
+ *
+ * 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 2 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
+#include "version.h"
+
+enum layers {
+    BASE,  // default layer
+    L_3,
+    L_4,
+};
+
+enum custom_keycodes {
+    a_umlaut = ML_SAFE_RANGE,
+    o_umlaut,
+    u_umlaut,
+    eszett,
+};
+
+// clang-format off
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    [BASE] = LAYOUT_moonlander(
+        XXXXXXX, KC_1    , KC_2    , KC_3    , KC_4   , KC_5   , XXXXXXX,    XXXXXXX, KC_6   , KC_7   , KC_8   , KC_9   , KC_0   , XXXXXXX,
+        KC_TAB , KC_X    , KC_V    , KC_L    , KC_C   , KC_W   , XXXXXXX,    XXXXXXX, KC_K   , KC_H   , KC_G   , KC_F   , KC_Q   , eszett ,
+        XXXXXXX, KC_U    , KC_I    , KC_A    , KC_E   , KC_O   , XXXXXXX,    XXXXXXX, KC_S   , KC_N   , KC_R   , KC_T   , KC_D   , KC_Y   ,
+        XXXXXXX, u_umlaut, o_umlaut, a_umlaut, KC_P   , KC_Z   ,                      KC_B   , KC_M   , KC_COMM, KC_DOT , KC_J   , XXXXXXX,
+        XXXXXXX, XXXXXXX , XXXXXXX , KC_LGUI , MO(L_4),          XXXXXXX,    XXXXXXX,          MO(L_4), KC_RGUI, XXXXXXX, XXXXXXX, XXXXXXX,
+                                               KC_LCTL, KC_LSFT, MO(L_3),    MO(L_3), KC_RSFT, KC_SPC
+    ),
+
+    [L_3] = LAYOUT_moonlander(
+        XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,    XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+        XXXXXXX, XXXXXXX, KC_UNDS, KC_LBRC, KC_RBRC, KC_CIRC, XXXXXXX,    XXXXXXX, KC_EXLM, KC_LABK, KC_RABK, KC_EQL , KC_AMPR, XXXXXXX,
+        XXXXXXX, KC_BSLS, KC_SLSH, KC_LCBR, KC_RCBR, KC_ASTR, XXXXXXX,    XXXXXXX, KC_QUES, KC_LPRN, KC_RPRN, KC_MINS, KC_COLN, KC_AT  ,
+        XXXXXXX, KC_HASH, KC_DLR , KC_PIPE, KC_TILD, KC_GRV ,                      KC_PLUS, KC_PERC, KC_DQUO, KC_QUOT, KC_SCLN, XXXXXXX,
+        XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,          XXXXXXX,    XXXXXXX,          XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+                                            XXXXXXX, XXXXXXX, XXXXXXX,    XXXXXXX, XXXXXXX, XXXXXXX
+    ),
+
+    [L_4] = LAYOUT_moonlander(
+        XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,    XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+        XXXXXXX, KC_PGUP, KC_BSPC, KC_UP  , KC_DEL , KC_PGDN, XXXXXXX,    XXXXXXX, XXXXXXX, KC_7   , KC_8   , KC_9   , XXXXXXX, XXXXXXX,
+        XXXXXXX, KC_HOME, KC_LEFT, KC_DOWN, KC_RGHT, KC_END , XXXXXXX,    XXXXXXX, XXXXXXX, KC_4   , KC_5   , KC_6   , XXXXXXX, XXXXXXX,
+        XXXXXXX, KC_ESC , KC_TAB , XXXXXXX, KC_ENT , XXXXXXX,                      XXXXXXX, KC_1   , KC_2   , KC_3   , XXXXXXX, XXXXXXX,
+        XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,          XXXXXXX,    XXXXXXX,          XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+                                            XXXXXXX, XXXXXXX, XXXXXXX,    XXXXXXX, XXXXXXX, KC_0
+    ),
+};
+
+layer_state_t layer_state_set_user(layer_state_t state) {
+    ML_LED_1(false);
+    ML_LED_2(false);
+    ML_LED_3(false);
+    ML_LED_4(false);
+    ML_LED_5(false);
+    ML_LED_6(false);
+
+    switch (get_highest_layer(state)) {
+        case 1:
+            ML_LED_1(1);
+            ML_LED_4(1);
+            break;
+        case 2:
+            ML_LED_2(1);
+            ML_LED_5(1);
+            break;
+        case 3:
+            ML_LED_3(1);
+            break;
+        case 4:
+            ML_LED_4(1);
+            break;
+        case 5:
+            ML_LED_5(1);
+            break;
+        case 6:
+            ML_LED_6(1);
+            break;
+        default:
+            break;
+    }
+
+    return state;
+}
+
+// only works after executing
+// $ xmodmap -e "keycode 138 = Multi_key"
+#define compose_key SS_TAP(X_MENU)
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+    if (record->event.pressed) {
+        switch (keycode) {
+        case a_umlaut:
+            SEND_STRING(compose_key "\"a");
+            return false;
+        case o_umlaut:
+            SEND_STRING(compose_key "\"o");
+            return false;
+        case u_umlaut:
+            SEND_STRING(compose_key "\"u");
+            return false;
+        case eszett:
+            SEND_STRING(compose_key "ss");
+            return false;
+        }
+    }
+    return true;
+}

keyboards/moonlander/keymaps/shahn-neo/readme.md

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+# Sönke Hahn's Neo layout for the Moonlander keyboard
+
+This is my personal keyboard layout based on the Neo keyboard layout:
+https://en.wikipedia.org/wiki/Neo_(keyboard_layout)
+This layout is not meant as a general layout for other people using the
+Neo keyboard layout. It's very specific to my personal needs.
+It still might be useful as inspiration to other people who want to
+create a Neo layout.
+
+Some notes:
+
+- I've put the ctrl key, the shift keys and the modifiers to switch to
+  layer 4 in the middle to be operated by the thumbs. I wanted to avoid
+  having to use my pinkies on the outer rows of the keyboard.
+- The umlauts (äöü) and the ß only work on linux when configuring the
+  compose key properly. See `compose_key` in `./keymap.c`.