[Feature] Key Overrides (#11422)

1 files changed, 28 insertions, 0 deletions

diff --git a/tmk_core/common/action_util.c b/tmk_core/common/action_util.c
index a57c8bf66..2b3c00cba 100644
--- a/tmk_core/common/action_util.c
+++ b/tmk_core/common/action_util.c
@@ -27,6 +27,10 @@ extern keymap_config_t keymap_config;
 static uint8_t real_mods  = 0;
 static uint8_t weak_mods  = 0;
 static uint8_t macro_mods = 0;
+#ifdef KEY_OVERRIDE_ENABLE
+static uint8_t weak_override_mods = 0;
+static uint8_t suppressed_mods    = 0;
+#endif
 
 #ifdef USB_6KRO_ENABLE
 #    define RO_ADD(a, b) ((a + b) % KEYBOARD_REPORT_KEYS)
@@ -229,6 +233,7 @@ void send_keyboard_report(void) {
     keyboard_report->mods = real_mods;
     keyboard_report->mods |= weak_mods;
     keyboard_report->mods |= macro_mods;
+
 #ifndef NO_ACTION_ONESHOT
     if (oneshot_mods) {
 #    if (defined(ONESHOT_TIMEOUT) && (ONESHOT_TIMEOUT > 0))
@@ -244,6 +249,13 @@ void send_keyboard_report(void) {
     }
 
 #endif
+
+#ifdef KEY_OVERRIDE_ENABLE
+    // These need to be last to be able to properly control key overrides
+    keyboard_report->mods &= ~suppressed_mods;
+    keyboard_report->mods |= weak_override_mods;
+#endif
+
     host_keyboard_send(keyboard_report);
 }
 
@@ -299,6 +311,22 @@ void set_weak_mods(uint8_t mods) { weak_mods = mods; }
  */
 void clear_weak_mods(void) { weak_mods = 0; }
 
+#ifdef KEY_OVERRIDE_ENABLE
+/** \brief set weak mods used by key overrides. DO not call this manually
+ */
+void set_weak_override_mods(uint8_t mods) { weak_override_mods = mods; }
+/** \brief clear weak mods used by key overrides. DO not call this manually
+ */
+void clear_weak_override_mods(void) { weak_override_mods = 0; }
+
+/** \brief set suppressed mods used by key overrides. DO not call this manually
+ */
+void set_suppressed_override_mods(uint8_t mods) { suppressed_mods = mods; }
+/** \brief clear suppressed mods used by key overrides. DO not call this manually
+ */
+void clear_suppressed_override_mods(void) { suppressed_mods = 0; }
+#endif
+
 /* macro modifier */
 /** \brief get macro mods
  *