From 17faf830fbe12222e64d9b92ac14cb1c8742ac96 Mon Sep 17 00:00:00 2001
From: dakkar <dakkar@thenautilus.net>
Date: Fri, 22 Feb 2019 12:24:18 +0000
Subject: numlock as a macro

Press the NumLock key, switch the layer.

Previously, pressing the NumLock key was handled by the NumPad
plugin (which mostly deals with LED colors). I stopped using that
plugin when I built my own LED plugin. Also, recently the NumPad
plugin stopped handling the NumLock press, so we really need to do it
here.
---
 keymaps.h |  2 +-
 macros.h  | 20 +++++++++++++++++++-
 2 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/keymaps.h b/keymaps.h
index 4932ab1..70b0e8f 100644
--- a/keymaps.h
+++ b/keymaps.h
@@ -12,7 +12,7 @@ ColorKeymaps(
    CK(Key_LeftControl,Base), CK(Key_Backspace,Base), CK(Key_LeftGui,Base), CK(Key_LeftShift,Base),
    CK(ShiftToLayer(FVWM),Base),
 
-   CK(M(MACRO_ANY),Base),   CK(Key_6,Base), CK(Key_7,Base), CK(Key_8,Base),     CK(Key_9,Base),      CK(Key_0,Base),         CK(LockLayer(NUMPAD),Base),
+   CK(M(MACRO_ANY),Base),   CK(Key_6,Base), CK(Key_7,Base), CK(Key_8,Base),     CK(Key_9,Base),      CK(Key_0,Base),         CK(M(MACRO_NUMLOCK),Base),
    CK(Key_Enter,Base),      CK(Key_Y,Base), CK(Key_U,Base), CK(Key_I,Base),     CK(Key_O,Base),      CK(Key_P,Base),         CK(Key_Equals,Base),
                             CK(Key_H,Base), CK(Key_J,Base), CK(Key_K,Base),     CK(Key_L,Base),      CK(Key_Semicolon,Base), CK(Key_Quote,Base),
    CK(Key_RightAlt,Base),   CK(Key_N,Base), CK(Key_M,Base), CK(Key_Comma,Base), CK(Key_Period,Base), CK(Key_Slash,Base),     CK(Key_Minus,Base),
diff --git a/macros.h b/macros.h
index 06df775..715d2bc 100644
--- a/macros.h
+++ b/macros.h
@@ -2,9 +2,11 @@
 #pragma once
 
 #include "kaleidoscope/plugin/Macros.h"
+#include "keymap-layers.h"
 
 enum { MACRO_VERSION_INFO,
-       MACRO_ANY
+       MACRO_ANY,
+       MACRO_NUMLOCK,
      };
 
 #ifndef BUILD_INFORMATION
@@ -30,6 +32,18 @@ static void anyKeyMacro(uint8_t keyState) {
     kaleidoscope::hid::pressKey(lastKey, toggledOn);
 }
 
+static void numLockMacro(uint8_t keyState) {
+  if (keyToggledOn(keyState)) {
+    kaleidoscope::hid::pressKey(Key_KeypadNumLock);
+    if (Layer.isActive(NUMPAD)) {
+      Layer.deactivate(NUMPAD);
+    }
+    else {
+      Layer.activate(NUMPAD);
+    }
+  }
+}
+
 const macro_t *macroAction(uint8_t macroIndex, uint8_t keyState) {
   switch (macroIndex) {
 
@@ -40,6 +54,10 @@ const macro_t *macroAction(uint8_t macroIndex, uint8_t keyState) {
   case MACRO_ANY:
     anyKeyMacro(keyState);
     break;
+
+  case MACRO_NUMLOCK:
+    numLockMacro(keyState);
+    break;
   }
   return MACRO_NONE;
 }
-- 
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