From ef21a855e6d60b78011ddb8940f58985b1c60acb Mon Sep 17 00:00:00 2001
From: Damien Pollet <damien.pollet@gmail.com>
Date: Sun, 27 Mar 2016 17:58:26 +0200
Subject: Add per-event user hook function to QMK

---
 tmk_core/common/action.c | 5 +++++
 tmk_core/common/action.h | 3 +++
 2 files changed, 8 insertions(+)

diff --git a/tmk_core/common/action.c b/tmk_core/common/action.c
index 4197c53ed2..c6595196ff 100644
--- a/tmk_core/common/action.c
+++ b/tmk_core/common/action.c
@@ -53,6 +53,9 @@ void action_exec(keyevent_t event)
 #endif
 }
 
+__attribute__ ((weak))
+void process_action_user(keyrecord_t *record) {}
+
 void process_action(keyrecord_t *record)
 {
     keyevent_t event = record->event;
@@ -62,6 +65,8 @@ void process_action(keyrecord_t *record)
 
     if (IS_NOEVENT(event)) { return; }
 
+    process_action_user(record);
+
     action_t action = layer_switch_get_action(event.key);
     dprint("ACTION: "); debug_action(action);
 #ifndef NO_ACTION_LAYER
diff --git a/tmk_core/common/action.h b/tmk_core/common/action.h
index 8a4736d7bc..141dc3fca6 100644
--- a/tmk_core/common/action.h
+++ b/tmk_core/common/action.h
@@ -58,6 +58,9 @@ const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt);
 /* user defined special function */
 void action_function(keyrecord_t *record, uint8_t id, uint8_t opt);
 
+/* user-defined (pre)processing of each key event */
+void process_action_user(keyrecord_t *record);
+
 /* Utilities for actions.  */
 void process_action(keyrecord_t *record);
 void register_code(uint8_t code);
-- 
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