Fix a potential postponer hangup.

right/src/event_scheduler.h

@@ -82,6 +82,12 @@
 
     } event_vector_event_t;
 
+/**
+ * Notes on EventVector flags:
+ *
+ * EventVector_Postponer means that Postponer is active. There may be events in the postponer queue while someone is postponing while sleeping (e.g., macro engine waiting for future events.), and in this case EventVector_Postponer is unset.
+ * */
+
 // Variables:
 
     extern volatile uint32_t EventScheduler_Vector;

right/src/postponer.c

@@ -200,6 +200,9 @@ bool PostponerCore_IsActive(void)
     return runState.eventsShouldBeQueued;
 }
 
+bool PostponerCore_IsNonEmpty(void) {
+    return bufferSize > 0;
+}
 
 void PostponerCore_PrependKeyEvent(key_state_t *keyState, bool active, uint8_t layer)
 {

right/src/postponer.h

@@ -70,6 +70,7 @@
 // Functions (Core hooks):
 
     bool PostponerCore_IsActive(void);
+    bool PostponerCore_IsNonEmpty(void);
     bool PostponerCore_EventsShouldBeQueued(void);
     /* void PostponerCore_PostponeNCycles(uint8_t n); */
     bool PostponerCore_RunKey(key_state_t* key, bool active);

right/src/usb_report_updater.c

@@ -611,6 +611,7 @@ static void updateActiveUsbReports(void)
     EventVector_Unset(EventVector_ReportsChanged);
     InputModifiersPrevious = InputModifiers;
     OutputModifiers = 0;
+    static bool lastSomeonePostponing = false;
 
     PostponerCore_UpdatePostponedTime();
 
@@ -646,6 +647,13 @@ static void updateActiveUsbReports(void)
     if (EventVector_IsSet(EventVector_MouseController)) {
         MouseController_ProcessMouseActions();
     }
+
+    // If someone was postponing, the postponer has set itself to sleep. Wake it now.
+    bool currentSomeonePostponing = EventVector_IsSet(EventVector_SomeonePostponing);
+    if (lastSomeonePostponing && !currentSomeonePostponing && PostponerCore_IsNonEmpty()) {
+        EventVector_Set(EventVector_Postponer);
+    }
+    lastSomeonePostponing = currentSomeonePostponing;
 }
 
 void justPreprocessInput(void) {