From 361df26094eb9ec3bf5480269064d4294bef2452 Mon Sep 17 00:00:00 2001
From: Gergely Nagy <algernon@madhouse-project.org>
Date: Fri, 27 Jan 2017 11:28:58 +0100
Subject: [PATCH] layers: Fix the layer toggle behaviour

When toggling a layer, the same keycode should toggle the layer off, too.
Without this, toggling layers won't work at all, because the target layer will
never be turned off.

Signed-off-by: Gergely Nagy <algernon@madhouse-project.org>
---
 src/layers.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/layers.cpp b/src/layers.cpp
index 7988c4bc..fe095c2d 100644
--- a/src/layers.cpp
+++ b/src/layers.cpp
@@ -29,7 +29,10 @@ static void handle_keymap_key_event(Key keymapEntry, uint8_t keyState) {
 
         // switch keymap and stay there
     } else if (key_toggled_on(keyState)) {
-        Layer.on (keymapEntry.keyCode);
+        if (Layer.isOn (keymapEntry.keyCode) && keymapEntry.keyCode)
+            Layer.off(keymapEntry.keyCode);
+        else
+            Layer.on(keymapEntry.keyCode);
     }
 }