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diff --git a/users/davidkristoffersen/util/functions.c b/users/davidkristoffersen/util/functions.c
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+// Copyright 2022 David Kristoffersen (@davidkristoffersen)
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "functions.h"
+
+#ifndef NO_SPECIAL_SHIFT
+// Code set to swap struct
+typedef struct code_set {
+ uint16_t pre;
+ uint16_t post;
+} code_set_t;
+
+// Shift codes conversion struct
+typedef struct shift_code {
+ int lang;
+ int size;
+ code_set_t* codes;
+} shift_code_t;
+
+#ifdef LAYER_NO
+code_set_t NO_SHIFT_CODES [] = {
+ {NO_QUOT, NO_DQUO},
+ {NO_BSLS, NO_PIPE},
+};
+#endif
+
+code_set_t EN_SHIFT_CODES [] = {
+ {KC_COMM, KC_SCLN},
+ {KC_DOT, KC_COLN},
+};
+
+// Array of shift code conversions
+const shift_code_t SHIFT_CODES [] = {
+#ifdef LAYER_NO
+ {.lang = LAYER_NO,
+ .size = ARR_LEN(NO_SHIFT_CODES),
+ .codes = NO_SHIFT_CODES},
+#endif
+ {.lang = LAYER_EN,
+ .size = ARR_LEN(EN_SHIFT_CODES),
+ .codes = EN_SHIFT_CODES},
+};
+const int SHIFT_CODES_SIZE = ARR_LEN(SHIFT_CODES);
+#endif
+
+#ifdef LAYER_NO
+// Array of English to Norwegian code translations
+const code_set_t EN2NO_CODES [] = {
+ {KC_QUOT, NO_QUOT},
+ {KC_MINS, NO_MINS},
+ {KC_BSLS, NO_BSLS},
+ {KC_LBRC, NO_LBRC},
+ {KC_LCBR, NO_LCBR},
+ {KC_LPRN, NO_LPRN},
+ {KC_LT, NO_LESS},
+ {KC_GT, NO_GRTR},
+ {KC_RPRN, NO_RPRN},
+ {KC_RCBR, NO_RCBR},
+ {KC_RBRC, NO_RBRC},
+ {KC_AMPR, NO_AMPR},
+ {KC_EQL, NO_EQL},
+ {KC_PLUS, NO_PLUS},
+ {KC_ASTR, NO_ASTR},
+ {KC_SLSH, NO_SLSH},
+ {KC_TILD, NO_TILD},
+ {KC_AE, NO_AE},
+ {KC_OE, NO_OE},
+ {KC_AA, NO_AA},
+ {KC_QUES, NO_QUES},
+ {KC_AT, NO_AT},
+ {KC_CIRC, NO_CIRC},
+ {KC_DLR, NO_DLR},
+ {KC_GRV, NO_GRV}
+};
+const int EN2NO_CODES_SIZE = ARR_LEN(EN2NO_CODES);
+#endif
+
+// Check if layer is an active default layer
+bool is_default_on(int layer) {
+ return layer == LAYER_DEFAULT
+ ? true
+ : layer_state_cmp(default_layer_state, layer);
+}
+
+#ifndef NO_SPECIAL_SHIFT
+// Get special shifted code
+uint16_t get_special_shifted_code(uint16_t keycode) {
+ for (int i = 0; i < SHIFT_CODES_SIZE; i++) {
+ if (IS_DEFAULT_OFF(SHIFT_CODES[i].lang)) continue;
+ for (int j = 0; j < SHIFT_CODES[i].size; j++) {
+ if (keycode == SHIFT_CODES[i].codes[j].pre)
+ return SHIFT_CODES[i].codes[j].post;
+ }
+ }
+ return keycode;
+}
+#endif
+
+#ifdef LAYER_NO
+// Get language specific code
+uint16_t get_norwegian_code(uint16_t keycode) {
+ if (IS_DEFAULT_ON(LAYER_NO)) {
+ for (int i = 0; i < EN2NO_CODES_SIZE; i++) {
+ if (keycode == EN2NO_CODES[i].pre) {
+ return EN2NO_CODES[i].post;
+ }
+ }
+ }
+ return keycode;
+}
+#endif