From e4f0c21252864d76343a9cb2e71fd7d1d09439d3 Mon Sep 17 00:00:00 2001
From: jp9000 <obs.jim@gmail.com>
Date: Sun, 19 Dec 2021 09:40:45 -0800
Subject: [PATCH] UI: Process deleteLater() tasks in OBSBasic::ClearSceneData

Causes QObject::deleteLater() events to be processed immediately in
OBSBasic::ClearSceneData() to ensure no lingering source or scene item
references remain
---
 UI/window-basic-main.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/UI/window-basic-main.cpp b/UI/window-basic-main.cpp
index 91ca3a481..5926e2bd4 100644
--- a/UI/window-basic-main.cpp
+++ b/UI/window-basic-main.cpp
@@ -4563,6 +4563,10 @@ void OBSBasic::ClearSceneData()
 
 	undo_s.clear();
 
+	/* using QEvent::DeferredDelete explicitly is the only way to ensure
+	 * that deleteLater events are processed at this point */
+	QApplication::sendPostedEvents(nullptr, QEvent::DeferredDelete);
+
 	disableSaving--;
 
 	blog(LOG_INFO, "All scene data cleared");