Add KC_GLOBE keycode using @drashna's approach updated for 2024 codebase

Author: lordpixel23

data/constants/keycodes/keycodes_0.0.4_basic.hjson

@@ -0,0 +1,12 @@
+{
+    "keycodes": {
+        "0x00C3": {
+            "group": "media",
+            "key": "KC_GLOBE",
+            "label": "Apple Globe/FN Key",
+            "aliases": [
+                "KC_GLB"
+            ]
+        }
+    }
+}

quantum/keycodes.h

@@ -283,6 +283,7 @@ enum qk_keycode_defines {
     KC_ASSISTANT = 0x00C0,
     KC_MISSION_CONTROL = 0x00C1,
     KC_LAUNCHPAD = 0x00C2,
+    KC_GLOBE = 0x00C3,
     QK_MOUSE_CURSOR_UP = 0x00CD,
     QK_MOUSE_CURSOR_DOWN = 0x00CE,
     QK_MOUSE_CURSOR_LEFT = 0x00CF,
@@ -926,6 +927,7 @@ enum qk_keycode_defines {
     KC_ASST    = KC_ASSISTANT,
     KC_MCTL    = KC_MISSION_CONTROL,
     KC_LPAD    = KC_LAUNCHPAD,
+    KC_GLB     = KC_GLOBE,
     MS_UP      = QK_MOUSE_CURSOR_UP,
     MS_DOWN    = QK_MOUSE_CURSOR_DOWN,
     MS_LEFT    = QK_MOUSE_CURSOR_LEFT,
@@ -1456,7 +1458,7 @@ enum qk_keycode_defines {
 #define IS_INTERNAL_KEYCODE(code) ((code) >= KC_NO && (code) <= KC_TRANSPARENT)
 #define IS_BASIC_KEYCODE(code) ((code) >= KC_A && (code) <= KC_EXSEL)
 #define IS_SYSTEM_KEYCODE(code) ((code) >= KC_SYSTEM_POWER && (code) <= KC_SYSTEM_WAKE)
-#define IS_CONSUMER_KEYCODE(code) ((code) >= KC_AUDIO_MUTE && (code) <= KC_LAUNCHPAD)
+#define IS_CONSUMER_KEYCODE(code) ((code) >= KC_AUDIO_MUTE && (code) <= KC_GLOBE)
 #define IS_MOUSE_KEYCODE(code) ((code) >= QK_MOUSE_CURSOR_UP && (code) <= QK_MOUSE_ACCELERATION_2)
 #define IS_MODIFIER_KEYCODE(code) ((code) >= KC_LEFT_CTRL && (code) <= KC_RIGHT_GUI)
 #define IS_SWAP_HANDS_KEYCODE(code) ((code) >= QK_SWAP_HANDS_TOGGLE && (code) <= QK_SWAP_HANDS_ONE_SHOT)
@@ -1481,7 +1483,7 @@ enum qk_keycode_defines {
 #define INTERNAL_KEYCODE_RANGE              KC_NO ... KC_TRANSPARENT
 #define BASIC_KEYCODE_RANGE                 KC_A ... KC_EXSEL
 #define SYSTEM_KEYCODE_RANGE                KC_SYSTEM_POWER ... KC_SYSTEM_WAKE
-#define CONSUMER_KEYCODE_RANGE              KC_AUDIO_MUTE ... KC_LAUNCHPAD
+#define CONSUMER_KEYCODE_RANGE              KC_AUDIO_MUTE ... KC_GLOBE
 #define MOUSE_KEYCODE_RANGE                 QK_MOUSE_CURSOR_UP ... QK_MOUSE_ACCELERATION_2
 #define MODIFIER_KEYCODE_RANGE              KC_LEFT_CTRL ... KC_RIGHT_GUI
 #define SWAP_HANDS_KEYCODE_RANGE            QK_SWAP_HANDS_TOGGLE ... QK_SWAP_HANDS_ONE_SHOT

tmk_core/protocol/report.h

@@ -29,7 +29,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // clang-format off
 
 /* HID report IDs */
-enum hid_report_ids { 
+enum hid_report_ids {
     REPORT_ID_ALL = 0,
     REPORT_ID_KEYBOARD = 1,
     REPORT_ID_MOUSE,
@@ -316,6 +316,8 @@ static inline uint16_t KEYCODE2CONSUMER(uint8_t key) {
             return AC_DESKTOP_SHOW_ALL_WINDOWS;
         case KC_LAUNCHPAD:
             return AC_SOFT_KEY_LEFT;
+        case KC_GLOBE:
+            return AC_NEXT_KEYBOARD_LAYOUT_SELECT;
         default:
             return 0;
     }