Make the numpad highlight color configurable

Fixes #11.

Signed-off-by: Gergely Nagy <algernon@keyboard.io>

src/Kaleidoscope-NumPad.cpp

@@ -7,7 +7,7 @@ byte NumPad_::row = 255, NumPad_::col = 255;
 uint8_t NumPad_::numPadLayer;
 bool NumPad_::cleanupDone = true;
 bool NumPad_::originalNumLockState = false;
-cRGB numpad_color = CRGB(160, 0, 0);
+cRGB NumPad_::color = CRGB(160, 0, 0);
 
 kaleidoscope::EventHandlerResult NumPad_::onSetup(void) {
   originalNumLockState = !!(kaleidoscope::hid::getKeyboardLEDs() & LED_NUM_LOCK);
@@ -57,7 +57,7 @@ kaleidoscope::EventHandlerResult NumPad_::afterEachCycle() {
       if ((k != layer_key) || (k == Key_NoKey) || (k.flags != KEY_FLAGS)) {
         LEDControl.refreshAt(r, c);
       } else {
-        LEDControl.setCrgbAt(r, c, numpad_color);
+        LEDControl.setCrgbAt(r, c, color);
       }
     }
   }
@@ -65,8 +65,8 @@ kaleidoscope::EventHandlerResult NumPad_::afterEachCycle() {
   if (row > ROWS || col > COLS)
     return kaleidoscope::EventHandlerResult::OK;
 
-  cRGB color = breath_compute();
-  LEDControl.setCrgbAt(row, col, color);
+  cRGB lock_color = breath_compute();
+  LEDControl.setCrgbAt(row, col, lock_color);
 
   return kaleidoscope::EventHandlerResult::OK;
 }

src/Kaleidoscope-NumPad.h

@@ -9,6 +9,7 @@ class NumPad_ : public kaleidoscope::Plugin {
   NumPad_(void) {}
 
   static uint8_t numPadLayer;
+  static cRGB color;
 
   kaleidoscope::EventHandlerResult onSetup(void);
   kaleidoscope::EventHandlerResult afterEachCycle();