From f5b74918837bacc5aaa98641428309380d591707 Mon Sep 17 00:00:00 2001
From: Albert Y <76888457+filterpaper@users.noreply.github.com>
Date: Mon, 10 Apr 2023 00:37:31 +0800
Subject: Add swap hands toggle functions (#20381)

---
 docs/feature_swap_hands.md | 11 ++++++++---
 quantum/action.c           | 12 ++++++++++++
 quantum/action.h           | 13 +++++++++++++
 3 files changed, 33 insertions(+), 3 deletions(-)

diff --git a/docs/feature_swap_hands.md b/docs/feature_swap_hands.md
index 4d0d554093..e9c1d4b7ba 100644
--- a/docs/feature_swap_hands.md
+++ b/docs/feature_swap_hands.md
@@ -47,6 +47,11 @@ const uint8_t PROGMEM encoder_hand_swap_config[NUM_ENCODERS] = { 1, 0 };
 
 ### Functions :id=functions
 
-| Function             | Description                                 |
-|----------------------|---------------------------------------------|
-| `is_swap_hands_on()` | Returns true if Swap-Hands is currently on. |
+User callback functions to manipulate Swap-Hands:
+
+| Function              | Description                                 |
+|-----------------------|---------------------------------------------|
+| `swap_hands_on()`     | Turns Swap-Hands on.                        |
+| `swap_hands_off()`    | Turns Swap-Hands off.                       |
+| `swap_hands_toggle()` | Toggles Swap-Hands.                         |
+| `is_swap_hands_on()`  | Returns true if Swap-Hands is currently on. |
diff --git a/quantum/action.c b/quantum/action.c
index dadb88e9df..9a6bbcca11 100644
--- a/quantum/action.c
+++ b/quantum/action.c
@@ -165,6 +165,18 @@ void set_swap_hands_state(size_t index, uint8_t *swap_state, bool on) {
     }
 }
 
+void swap_hands_on(void) {
+    swap_hands = true;
+}
+
+void swap_hands_off(void) {
+    swap_hands = false;
+}
+
+void swap_hands_toggle(void) {
+    swap_hands = !swap_hands;
+}
+
 bool is_swap_hands_on(void) {
     return swap_hands;
 }
diff --git a/quantum/action.h b/quantum/action.h
index 8ef6db6781..2a2c294c5a 100644
--- a/quantum/action.h
+++ b/quantum/action.h
@@ -84,6 +84,18 @@ typedef uint32_t swap_state_row_t;
 #        error "MATRIX_COLS: invalid value"
 #    endif
 
+/**
+ * @brief Enable swap hands
+ */
+void swap_hands_on(void);
+/**
+ * @brief Disable swap hands
+ */
+void swap_hands_off(void);
+/**
+ * @brief Toggle swap hands enable state
+ */
+void swap_hands_toggle(void);
 /**
  * @brief Get the swap hands enable state
  *
@@ -91,6 +103,7 @@ typedef uint32_t swap_state_row_t;
  * @return false
  */
 bool is_swap_hands_on(void);
+
 void process_hand_swap(keyevent_t *record);
 #endif
 
-- 
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