Update plugin interface to be compatible with newer Keyboardio API.

src/Kaleidoscope/LED-Wavepool.cpp

@@ -21,7 +21,7 @@
 
 namespace kaleidoscope {
 
-#define INTERPOLATE  // smoother, slower animation
+#define INTERPOLATE 1 // smoother, slower animation
 #define MS_PER_FRAME 40  // 40 = 25 fps
 #define FRAMES_PER_DROP 120  // max time between raindrops during idle animation
 
@@ -38,16 +38,9 @@ PROGMEM const uint8_t WavepoolEffect::rc2pos[ROWS*COLS] = {
     42, 43, 44, 45, 46, 47,     58,62, 63,67,    50, 51, 52, 53, 54, 55,
 };
 
-WavepoolEffect::WavepoolEffect(void) {
+EventHandlerResult WavepoolEffect::onKeyswitchEvent(Key &mapped_key, byte row, byte col, uint8_t key_state) {
-}
-
-void WavepoolEffect::setup(void) {
-  Kaleidoscope.useEventHandlerHook(eventHandlerHook);
-}
-
-Key WavepoolEffect::eventHandlerHook(Key mapped_key, byte row, byte col, uint8_t key_state) {
   if (row >= ROWS || col >= COLS)
-    return mapped_key;
+    return EventHandlerResult::OK;
 
   if (keyIsPressed(key_state)) {
     uint8_t offset = (row*COLS)+col;
@@ -55,7 +48,7 @@ Key WavepoolEffect::eventHandlerHook(Key mapped_key, byte row, byte col, uint8_t
     frames_since_event = 0;
   }
 
-  return mapped_key;
+  return EventHandlerResult::OK;
 }
 
 void WavepoolEffect::raindrop(uint8_t x, uint8_t y, int8_t *page) {

src/Kaleidoscope/LED-Wavepool.h

@@ -27,13 +27,14 @@
 namespace kaleidoscope {
 class WavepoolEffect : public LEDMode {
  public:
-  WavepoolEffect(void);
+  WavepoolEffect(void) {};
+
+  EventHandlerResult onKeyswitchEvent(Key &mapped_key, byte row, byte col, uint8_t key_state);
 
   // ms before idle animation starts after last keypress
   static uint16_t idle_timeout;
 
  protected:
-  void setup(void) final;
   void update(void) final;
 
  private:
@@ -42,7 +43,6 @@ class WavepoolEffect : public LEDMode {
   static uint8_t page;
   static PROGMEM const uint8_t rc2pos[ROWS*COLS];
 
-  static Key eventHandlerHook(Key mapped_key, byte row, byte col, uint8_t key_state);
   static void raindrop(uint8_t x, uint8_t y, int8_t *page);
   static uint8_t wp_rand();
 };