From 22213aae7649fc8eed90829829e80c3ed9f0bf38 Mon Sep 17 00:00:00 2001
From: Christoph Cullmann <cullmann@kde.org>
Date: Mon, 17 Oct 2022 23:29:33 +0200
Subject: add achordion to make home row keys really usable

---
 keymap.c | 36 +++++++++++++++++++++++++++++++++++-
 1 file changed, 35 insertions(+), 1 deletion(-)

(limited to 'keymap.c')

diff --git a/keymap.c b/keymap.c
index 4b9fc57..5e1b7b3 100644
--- a/keymap.c
+++ b/keymap.c
@@ -63,6 +63,40 @@ KC_NO, KC_NO, K32,   K33,   K34,   KC_NO, KC_NO, K35,   K36,   K37,   KC_NO, KC_
 // include miryoku defaults
 #include <users/manna-harbour_miryoku/manna-harbour_miryoku.c>
 
+//
+// improve home row modifiers via achordion
+//
+
+#include "achordion.h"
+
+bool process_record_user(uint16_t keycode, keyrecord_t* record)
+{
+    if (!process_achordion(keycode, record)) {
+        return false;
+    }
+
+    return true;
+}
+
+void matrix_scan_user(void)
+{
+    achordion_task();
+}
+
+bool achordion_chord(uint16_t tap_hold_keycode,
+                     keyrecord_t* tap_hold_record,
+                     uint16_t other_keycode,
+                     keyrecord_t* other_record)
+{
+    // allow thumb key row to always work
+    if (other_record->event.key.row >= 3) {
+        return true;
+    }
+
+    // Otherwise, follow the opposite hands rule.
+    return achordion_opposite_hands(tap_hold_record, other_record);
+}
+
 //
 // underglow configuration
 //
@@ -101,7 +135,7 @@ const rgblight_segment_t PROGMEM fn_layer[] = RGBLIGHT_LAYER_SEGMENTS(
 
 const rgblight_segment_t * const PROGMEM my_rgb_layers[] = RGBLIGHT_LAYERS_LIST(
   [BASE]   = qwerty_layer,
-  [NAV]    = lower_layer,
+  [NAV]    = cmd_layer,
   [MOUSE]  = raise_layer,
   [MEDIA]  = nav_layer,
   [NUM]    = cmd_layer,
-- 
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