Remove numlock state management logic from NumPad plugin

NOTE: This change depends on the keymap changing to use the numrow keys in the numpad layer.

Signed-off-by: Scott Perry <dev@numist.net>

doc/plugin/NumPad.md

@@ -1,7 +1,7 @@
 # Kaleidoscope-NumPad
 
 This is a plugin for [Kaleidoscope][fw], that adds a NumPad-specific LED
-effect, along with a way to toggle to a numpad layer, and apply the effect.
+effect and applies it when the numpad layer is active.
 
 ## Using the extension
 

src/kaleidoscope/plugin/NumPad.cpp

@@ -19,45 +19,19 @@
 namespace kaleidoscope {
 namespace plugin {
 
-byte NumPad::numpadLayerToggleKeyRow = 255, NumPad::numpadLayerToggleKeyCol = 255;
+// public:
 uint8_t NumPad::numPadLayer;
-bool NumPad::numlockUnsynced = false;
-bool NumPad::originalNumLockState = false;
 cRGB NumPad::color = CRGB(160, 0, 0);
 uint8_t NumPad::lock_hue = 170;
 
+// private:
+byte NumPad::numpadLayerToggleKeyRow = 255, NumPad::numpadLayerToggleKeyCol = 255;
+bool NumPad::numpadActive = false;
+
 EventHandlerResult NumPad::onSetup(void) {
-  originalNumLockState = getNumlockState();
   return EventHandlerResult::OK;
 }
 
-bool NumPad::getNumlockState() {
-  return !!(kaleidoscope::hid::getKeyboardLEDs() & LED_NUM_LOCK);
-}
-
-void NumPad::syncNumlockState(bool state) {
-  bool numLockLEDState = getNumlockState();
-  if (numLockLEDState != state) {
-    kaleidoscope::hid::pressKey(Key_KeypadNumLock);
-  }
-}
-
-
-
-void NumPad::cleanupNumlockState() {
-  if (!numlockUnsynced) {
-    bool numLockLEDState = getNumlockState();
-    ::LEDControl.set_mode(::LEDControl.get_mode_index());
-    if (!originalNumLockState) {
-      syncNumlockState(false);
-      numLockLEDState = false;
-    }
-    originalNumLockState = numLockLEDState;
-    numlockUnsynced = true;
-  }
-
-}
-
 void NumPad::setKeyboardLEDColors(void) {
   ::LEDControl.set_mode(::LEDControl.get_mode_index());
 
@@ -87,12 +61,13 @@ void NumPad::setKeyboardLEDColors(void) {
 
 EventHandlerResult NumPad::afterEachCycle() {
   if (!Layer.isActive(numPadLayer)) {
-    cleanupNumlockState();
+    if (numpadActive) {
+      ::LEDControl.set_mode(::LEDControl.get_mode_index());
+      numpadActive = false;
+    }
   } else {
-    if (numlockUnsynced)  {
+    if (!numpadActive)  {
-      // If it's the first time we're in this loop after toggling the Numpad mode on
+      numpadActive = true;
-      syncNumlockState(true);
-      numlockUnsynced = false;
     }
     setKeyboardLEDColors();
   }

src/kaleidoscope/plugin/NumPad.h

@@ -34,15 +34,11 @@ class NumPad : public kaleidoscope::Plugin {
 
  private:
 
-  void cleanupNumlockState(void);
   void setKeyboardLEDColors(void);
-  bool getNumlockState(void);
-  void syncNumlockState(bool);
 
   static uint8_t numpadLayerToggleKeyRow;
   static uint8_t numpadLayerToggleKeyCol;
-  static bool numlockUnsynced;
+  static bool numpadActive;
-  static bool originalNumLockState;
 };
 }
 }