Updated to use the new plugin APIs

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

README.md

@@ -19,11 +19,12 @@ To use the plugin, one needs to include the header and select the effect.
 
 ```c++
 #include <Kaleidoscope.h>
+#include <Kaleidoscope-LEDControl.h>
 #include <Kaleidoscope-LED-Stalker.h>
 
-void setup (){
-  Kaleidoscope.use(&StalkerEffect);
+KALEIDOSCOPE_INIT_PLUGINS(LEDControl, StalkerEffect);
 
+void setup (){
   Kaleidoscope.setup();
 
   StalkerEffect.variant = STALKER(Haunt, (CRGB(0, 128, 0)));

examples/LED-Stalker/LED-Stalker.ino

@@ -1,6 +1,6 @@
 /* -*- mode: c++ -*-
  * Kaleidoscope-LED-Stalker -- Stalk keys pressed by lighting up and fading back the LED under them
- * Copyright (C) 2017  Gergely Nagy
+ * Copyright (C) 2017, 2018  Gergely Nagy
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -17,9 +17,11 @@
  */
 
 #include <Kaleidoscope.h>
+#include <Kaleidoscope-LEDControl.h>
 #include <Kaleidoscope-LED-Stalker.h>
 #include "LED-Off.h"
 
+// *INDENT-OFF*
 const Key keymaps[][ROWS][COLS] PROGMEM = {
   [0] = KEYMAP_STACKED
   (
@@ -39,10 +41,13 @@ const Key keymaps[][ROWS][COLS] PROGMEM = {
     Key_RightShift, Key_RightAlt, Key_Spacebar, Key_RightControl,
     Key_NoKey),
 };
+// *INDENT-ON*
 
-void setup() {
-  Kaleidoscope.use(&LEDOff, &StalkerEffect);
+KALEIDOSCOPE_INIT_PLUGINS(LEDControl,
+                          LEDOff,
+                          StalkerEffect);
 
+void setup() {
   Kaleidoscope.setup();
 
   StalkerEffect.variant = STALKER(BlazingTrail);

src/Kaleidoscope/LED-Stalker.cpp

@@ -1,6 +1,6 @@
 /* -*- mode: c++ -*-
  * Kaleidoscope-LED-Stalker -- Stalk keys pressed by lighting up and fading back the LED under them
- * Copyright (C) 2017  Gergely Nagy
+ * Copyright (C) 2017, 2018  Gergely Nagy
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -26,23 +26,19 @@ StalkerEffect::ColorComputer *StalkerEffect::variant;
 uint16_t StalkerEffect::step_length = 50;
 uint16_t StalkerEffect::step_start_time_;
 
-void StalkerEffect::setup(void) {
-  Kaleidoscope.useEventHandlerHook(eventHandlerHook);
-}
-
 void StalkerEffect::onActivate(void) {
   memset(map_, 0, sizeof(map_));
 }
 
-Key StalkerEffect::eventHandlerHook(Key mapped_key, byte row, byte col, uint8_t key_state) {
+EventHandlerResult StalkerEffect::onKeyswitchEvent(Key &mapped_key, byte row, byte col, uint8_t keyState) {
   if (row >= ROWS || col >= COLS)
-    return mapped_key;
+    return EventHandlerResult::OK;
 
-  if (keyIsPressed(key_state)) {
+  if (keyIsPressed(keyState)) {
     map_[row][col] = 0xff;
   }
 
-  return mapped_key;
+  return EventHandlerResult::OK;
 }
 
 void StalkerEffect::update(void) {
@@ -143,6 +139,20 @@ cRGB Rainbow::compute(uint8_t *step) {
 
 }
 
+// Legacy V1 API
+#if KALEIDOSCOPE_ENABLE_V1_PLUGIN_API
+void StalkerEffect::setup(void) {
+  Kaleidoscope.useEventHandlerHook(legacyEventHandler);
+}
+
+Key StalkerEffect::legacyEventHandler(Key mapped_key, byte row, byte col, uint8_t key_state) {
+  EventHandlerResult r = ::StalkerEffect.onKeyswitchEvent(mapped_key, row, col, key_state);
+  if (r == EventHandlerResult::OK)
+    return mapped_key;
+  return Key_NoKey;
+}
+#endif
+
 }
 
 kaleidoscope::StalkerEffect StalkerEffect;

src/Kaleidoscope/LED-Stalker.h

@@ -1,6 +1,6 @@
 /* -*- mode: c++ -*-
  * Kaleidoscope-LED-Stalker -- Stalk keys pressed by lighting up and fading back the LED under them
- * Copyright (C) 2017  Gergely Nagy
+ * Copyright (C) 2017, 2018  Gergely Nagy
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -36,16 +36,19 @@ class StalkerEffect : public LEDMode {
   static ColorComputer *variant;
   static uint16_t step_length;
 
+  EventHandlerResult onKeyswitchEvent(Key &mapped_key, byte row, byte col, uint8_t keyState);
  protected:
-  void setup(void) final;
   void onActivate(void) final;
   void update(void) final;
 
+#if KALEIDOSCOPE_ENABLE_V1_PLUGIN_API
+  void setup(void) final;
+  static Key legacyEventHandler(Key mapped_key, byte row, byte col, uint8_t key_state);
+#endif
+
  private:
   static uint16_t step_start_time_;
   static uint8_t map_[ROWS][COLS];
-
-  static Key eventHandlerHook(Key mapped_key, byte row, byte col, uint8_t key_state);
 };
 
 namespace stalker {