From 191ecdb0000c4f334c80652cbd2c9edd0cbd9218 Mon Sep 17 00:00:00 2001
From: Gergely Nagy <algernon@keyboard.io>
Date: Sat, 12 May 2018 10:44:12 +0200
Subject: [PATCH] Updated to use the new plugin APIs

Signed-off-by: Gergely Nagy <algernon@keyboard.io>
---
 README.md                  |  4 ++--
 examples/Cycle/Cycle.ino   |  6 +++---
 src/Kaleidoscope/Cycle.cpp | 42 +++++++++++++++++++++++---------------
 src/Kaleidoscope/Cycle.h   | 18 +++++++++-------
 4 files changed, 42 insertions(+), 28 deletions(-)

diff --git a/README.md b/README.md
index 2f5d166b..bf362830 100644
--- a/README.md
+++ b/README.md
@@ -39,9 +39,9 @@ void cycleAction(Key previous_key, uint8_t cycle_count) {
   }
 }
 
-void setup(void) {
-  Kaleidoscope.use(&Cycle);
+KALEIDOSCOPE_INIT_PLUGINS(Cycle);
 
+void setup(void) {
   Kaleidoscope.setup();
 }
 ```
diff --git a/examples/Cycle/Cycle.ino b/examples/Cycle/Cycle.ino
index 8d1d7f8f..cbca3a3c 100644
--- a/examples/Cycle/Cycle.ino
+++ b/examples/Cycle/Cycle.ino
@@ -1,6 +1,6 @@
 /* -*- mode: c++ -*-
  * Kaleidoscope-Cycle -- Key sequence cycling dead key for Kaleidoscope.
- * Copyright (C) 2016, 2017  Gergely Nagy
+ * Copyright (C) 2016, 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
@@ -51,9 +51,9 @@ void cycleAction(Key previous_key, uint8_t cycle_count) {
   }
 }
 
-void setup() {
-  Kaleidoscope.use(&Cycle);
+KALEIDOSCOPE_INIT_PLUGINS(Cycle);
 
+void setup() {
   Kaleidoscope.setup();
 }
 
diff --git a/src/Kaleidoscope/Cycle.cpp b/src/Kaleidoscope/Cycle.cpp
index 9bdc13a5..fa920d2c 100644
--- a/src/Kaleidoscope/Cycle.cpp
+++ b/src/Kaleidoscope/Cycle.cpp
@@ -1,6 +1,6 @@
 /* -*- mode: c++ -*-
  * Kaleidoscope-Cycle -- Key sequence cycling dead key for Kaleidoscope.
- * Copyright (C) 2016, 2017  Gergely Nagy
+ * Copyright (C) 2016, 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
@@ -31,13 +31,6 @@ uint8_t Cycle::cycle_count_;
 
 // --- api ---
 
-Cycle::Cycle(void) {
-}
-
-void Cycle::begin(void) {
-  Kaleidoscope.useEventHandlerHook(eventHandlerHook);
-}
-
 void Cycle::replace(Key key) {
   handleKeyswitchEvent(Key_Backspace, UNKNOWN_KEYSWITCH_LOCATION, IS_PRESSED | INJECTED);
   hid::sendKeyboardReport();
@@ -60,14 +53,15 @@ void Cycle::replace(uint8_t cycle_size, const Key cycle_steps[]) {
 
 // --- hooks ---
 
-Key Cycle::eventHandlerHook(Key mapped_key, byte row, byte col, uint8_t key_state) {
+EventHandlerResult Cycle::onKeyswitchEvent(Key &mapped_key, byte row, byte col, uint8_t key_state) {
   if (key_state & INJECTED)
-    return mapped_key;
+    return EventHandlerResult::OK;
 
   if (!keyIsPressed(key_state) && !keyWasPressed(key_state)) {
-    if (isCycle(mapped_key))
-      return Key_NoKey;
-    return mapped_key;
+    if (isCycle(mapped_key)) {
+      return EventHandlerResult::EVENT_CONSUMED;
+    }
+    return EventHandlerResult::OK;
   }
 
   if (!isCycle(mapped_key)) {
@@ -75,16 +69,32 @@ Key Cycle::eventHandlerHook(Key mapped_key, byte row, byte col, uint8_t key_stat
       last_non_cycle_key_.raw = mapped_key.raw;
       cycle_count_ = 0;
     }
-    return mapped_key;
+    return EventHandlerResult::OK;
   }
 
-  if (!keyToggledOff(key_state))
-    return Key_NoKey;
+  if (!keyToggledOff(key_state)) {
+    return EventHandlerResult::EVENT_CONSUMED;
+  }
 
   ++cycle_count_;
   cycleAction(last_non_cycle_key_, cycle_count_);
+  return EventHandlerResult::EVENT_CONSUMED;
+}
+
+#if KALEIDOSCOPE_ENABLE_V1_PLUGIN_API
+// Deprecated v1 API
+void Cycle::begin() {
+  Kaleidoscope.useEventHandlerHook(legacyEventHandler);
+}
+
+Key Cycle::legacyEventHandler(Key mapped_key, byte row, byte col, uint8_t key_state) {
+  EventHandlerResult r = ::Cycle.onKeyswitchEvent(mapped_key, row, col, key_state);
+  if (r == EventHandlerResult::OK)
+    return mapped_key;
   return Key_NoKey;
 }
+#endif
+
 };
 
 __attribute__((weak))
diff --git a/src/Kaleidoscope/Cycle.h b/src/Kaleidoscope/Cycle.h
index aca7aaa1..c0f306ff 100644
--- a/src/Kaleidoscope/Cycle.h
+++ b/src/Kaleidoscope/Cycle.h
@@ -1,6 +1,6 @@
 /* -*- mode: c++ -*-
  * Kaleidoscope-Cycle -- Key sequence cycling dead key for Kaleidoscope.
- * Copyright (C) 2016, 2017  Gergely Nagy
+ * Copyright (C) 2016, 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
@@ -29,20 +29,24 @@
     })
 
 namespace kaleidoscope {
-class Cycle : public KaleidoscopePlugin {
+class Cycle : public kaleidoscope::Plugin {
  public:
-  Cycle(void);
-
-  void begin(void) final;
+  Cycle(void) {}
 
   static void replace(Key key);
   static void replace(uint8_t cycle_size, const Key cycle_steps[]);
 
+  EventHandlerResult onKeyswitchEvent(Key &mapped_key, byte row, byte col, uint8_t key_state);
+
+#if KALEIDOSCOPE_ENABLE_V1_PLUGIN_API
+ protected:
+  void begin();
+  static Key legacyEventHandler(Key mapped_key, byte row, byte col, uint8_t key_state);
+#endif
+
  private:
   static Key last_non_cycle_key_;
   static uint8_t cycle_count_;
-
-  static Key eventHandlerHook(Key mapped_key, byte row, byte col, uint8_t key_state);
 };
 };