X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=quantum%2Fkeycode_config.c;h=0dc5105d2186af7fdb8ccb32cdb830b3bf5be7b3;hb=3538955778c253e68779605cc67c27e15d195729;hp=6d90781a171b8b77d77e99efff7410ba15a0f92f;hpb=d889648d5373b7ff77dc7bc4b369c628e8336b45;p=qmk_firmware.git

diff --git a/quantum/keycode_config.c b/quantum/keycode_config.c
index 6d90781a1..0dc5105d2 100644
--- a/quantum/keycode_config.c
+++ b/quantum/keycode_config.c
@@ -1,3 +1,19 @@
+/* Copyright 2016 Jack Humbert
+ *
+ * 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 "keycode_config.h"
 
 extern keymap_config_t keymap_config;
@@ -71,4 +87,31 @@ uint16_t keycode_config(uint16_t keycode) {
         default:
             return keycode;
     }
-}
\ No newline at end of file
+}
+
+uint8_t mod_config(uint8_t mod) {
+    if (keymap_config.swap_lalt_lgui) {
+        if ((mod & MOD_RGUI) == MOD_LGUI) {
+            mod &= ~MOD_LGUI;
+            mod |= MOD_LALT;
+        } else if ((mod & MOD_RALT) == MOD_LALT) {
+            mod &= ~MOD_LALT;
+            mod |= MOD_LGUI;
+        }
+    }
+    if (keymap_config.swap_ralt_rgui) {
+        if ((mod & MOD_RGUI) == MOD_RGUI) {
+            mod &= ~MOD_RGUI;
+            mod |= MOD_RALT;
+        } else if ((mod & MOD_RALT) == MOD_RALT) {
+            mod &= ~MOD_RALT;
+            mod |= MOD_RGUI;
+        }
+    }
+    if (keymap_config.no_gui) {
+        mod &= ~MOD_LGUI;
+        mod &= ~MOD_RGUI;
+    }
+
+    return mod;
+}