1 files changed, 60 insertions, 0 deletions
diff --git a/users/ericgebhart/lang/locales.c b/users/ericgebhart/lang/locales.c
new file mode 100644
index 0000000000..560dec13b7
--- /dev/null
+++ b/users/ericgebhart/lang/locales.c
@@ -0,0 +1,60 @@
+/*
+  Copyright 2018-2022 Eric Gebhart <e.a.gebhart@gmail.com>
+
+  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 "ericgebhart.h"
+#include "locales.h"
+
+bool process_locales(uint16_t keycode, keyrecord_t *record) {
+
+  switch (keycode) {
+  case KC_SET_BASE:
+    // set the current default base to eeprom.
+    if (record->event.pressed) {
+      set_single_persistent_default_layer(get_highest_layer(default_layer_state));
+    }
+    break;
+
+    // choose a different set of default layers based on locales.
+  case KC_NEXT_LOCALE:
+    // choose another locale and set the default base to the first layer.
+    if (!record->event.pressed) {
+      if (current_locale + 1 < LOCALES_END){
+        current_locale++;
+      }else{
+        current_locale = 0;
+      }
+      default_layer_set(1UL << LOCALE_LAYER_RANGE[0]);
+    }
+    return false;
+    break;
+
+    // choose a different base layer based on locales.
+    // simply iterates over the list and sets the default layer.
+  case KC_NEXT_BASE_LAYER:
+    if (!record->event.pressed) {
+      uint8_t current = get_highest_layer(default_layer_state);
+      if (current < LOCALE_LAYER_RANGE[1]){
+        current++;
+      }else{
+        current = LOCALE_LAYER_RANGE[0];
+      }
+      default_layer_set(1UL << current);
+    }
+    return false;
+    break;
+  }
+  return true;
+}