Turn the plugin into a macro

The expected usage is now calling `NumLock.toggle(row, col, layer)` from within
a macro.

Signed-off-by: Gergely Nagy <algernon@madhouse-project.org>

src/Keyboardio-LEDEffect-Numlock.cpp

@@ -3,50 +3,63 @@
 #include "KeyboardioFirmware.h"
 #include "layers.h"
 
-static uint8_t numpadIndex;
+uint8_t NumLock_::previousLEDMode;
-static uint8_t storedLEDMode;
+uint8_t NumLock_::us;
-static uint8_t us;
+bool NumLock_::isActive;
+byte NumLock_::row = 255, NumLock_::col = 255;
 
-LEDNumlock::LEDNumlock (uint8_t numpadIdx) {
+NumLock_::NumLock_ (void) {
-    numpadIndex = numpadIdx;
 }
 
 void
-LEDNumlock::begin (void) {
+NumLock_::begin (void) {
     us = LEDControl.mode_add (this);
-  loop_hook_use (this->loopHook);
 }
 
 void
-LEDNumlock::init (void) {
+NumLock_::init (void) {
-    if (!Layer.isOn (numpadIndex)) {
+    if (!isActive) {
         LEDControl.next_mode();
     }
 }
 
 void
-LEDNumlock::update (void) {
+NumLock_::update (void) {
-    for (uint8_t i = 0; i < 44; i++) {
+    for (uint8_t r = 0; r < ROWS; r++) {
-        LEDControl.led_set_crgb_at(i, {0, 0, 0});
+        for (uint8_t c = 0; c < COLS; c++) {
+            Key k = Layer.lookup (r, c);
+
+            if (k.raw < Key_NumLock.raw || k.raw > Key_KeypadDot.raw)
+                continue;
+
+            LEDControl.led_set_crgb_at(r, c, {255, 0, 0});
         }
-    for (uint8_t i = 44; i < LED_COUNT; i++) {
-        LEDControl.led_set_crgb_at(i, {255, 0, 0});
     }
 
+    if (row > ROWS || col > COLS)
+        return;
+
     cRGB color = breath_compute();
-    LEDControl.led_set_crgb_at (60, color);
+    LEDControl.led_set_crgb_at (row, col, color);
 }
 
-void
+const macro_t *
-LEDNumlock::loopHook (bool postClear) {
+NumLock_::toggle (byte row_, byte col_, uint8_t numPadLayer) {
-    if (!postClear)
+    row = row_;
-        return;
+    col = col_;
 
-    if (!Layer.isOn (numpadIndex)) {
+    if (Layer.isOn (numPadLayer)) {
-        if (LEDControl.get_mode () != us)
+        isActive = false;
-            storedLEDMode = LEDControl.get_mode ();
+        LEDControl.set_mode (previousLEDMode);
-        LEDControl.set_mode (storedLEDMode);
+        Layer.off (numPadLayer);
     } else {
+        isActive = true;
+        previousLEDMode = LEDControl.get_mode ();
         LEDControl.set_mode (us);
+        Layer.on (numPadLayer);
     }
+
+    return MACRO(T(NumLock), END);
 }
+
+NumLock_ NumLock;

src/Keyboardio-LEDEffect-Numlock.h

@@ -1,17 +1,25 @@
 #pragma once
 
 #include "Keyboardio-LEDControl.h"
+#include "Keyboardio-Macros.h"
 #include "LEDUtils.h"
 
-class LEDNumlock : LEDMode {
+class NumLock_ : LEDMode {
  public:
-  LEDNumlock (uint8_t numpadIndex);
+  NumLock_ (void);
 
   virtual void begin (void) final;
 
   virtual void update (void) final;
   virtual void init (void) final;
 
+  static const macro_t *toggle (byte row, byte col, uint8_t numPadLayer);
+
  private:
-  static void loopHook (bool postClear);
+  static uint8_t previousLEDMode;
+  static uint8_t us;
+  static bool isActive;
+  static byte row, col;
 };
+
+extern NumLock_ NumLock;