[Keymap] clean up userspace, add XD75 / Keyboardio Atreus (#13121)

Co-authored-by: Ryan <fauxpark@gmail.com>
Co-authored-by: Drashna Jaelre <drashna@live.com>

1 files changed, 52 insertions, 0 deletions

diff --git a/users/replicaJunction/features/super_alt_tab.c b/users/replicaJunction/features/super_alt_tab.c
new file mode 100644
index 0000000000..9759898c87
--- /dev/null
+++ b/users/replicaJunction/features/super_alt_tab.c
@@ -0,0 +1,52 @@
+/* Copyright 2021 Joshua T.
+ *
+ * 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 "super_alt_tab.h"
+
+// https://docs.qmk.fm/#/feature_macros?id=super-alt%E2%86%AFtab
+
+bool is_alt_tab_active = false;
+uint16_t alt_tab_timer = 0;
+
+void matrix_scan_super_alt_tab(void) {
+    if (is_alt_tab_active) {
+        if (timer_elapsed(alt_tab_timer) > USER_SUPER_ALT_TAB_TIMEOUT) {
+            unregister_code(KC_LALT);
+            is_alt_tab_active = false;
+        }
+    }
+}
+
+
+bool process_record_super_alt_tab(uint16_t keycode, const keyrecord_t *record) {
+    if (keycode != SALTTAB) {
+        return true;
+    }
+
+    if (record->event.pressed) {
+        if (!is_alt_tab_active) {
+            is_alt_tab_active = true;
+            register_code(KC_LALT);
+        }
+        alt_tab_timer = timer_read();
+        register_code(KC_TAB);
+    }
+    else {
+        unregister_code(KC_TAB);
+    }
+
+    return false;
+}