From 8d0d9bb0bd2fbeb8ef826e582bef5b0620950620 Mon Sep 17 00:00:00 2001
From: Ilya Fedin <fedin-ilja2010@ya.ru>
Date: Sat, 6 Jul 2024 00:43:18 +0400
Subject: [PATCH] Delay clearing transient parent until the pip window is
 really exposed

---
 Telegram/SourceFiles/media/view/media_view_pip.cpp | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/Telegram/SourceFiles/media/view/media_view_pip.cpp b/Telegram/SourceFiles/media/view/media_view_pip.cpp
index 0975b5c6f1..da359769fa 100644
--- a/Telegram/SourceFiles/media/view/media_view_pip.cpp
+++ b/Telegram/SourceFiles/media/view/media_view_pip.cpp
@@ -351,10 +351,14 @@ void PipPanel::init() {
 	widget()->resize(0, 0);
 	widget()->hide();
 
-	rp()->shownValue(
-	) | rpl::filter([=](bool shown) {
-		return shown;
-	}) | rpl::start_with_next([=] {
+	rpl::merge(
+		rp()->shownValue() | rpl::to_empty,
+		rp()->paintRequest() | rpl::to_empty
+	) | rpl::map([=] {
+		return widget()->windowHandle()
+			&& widget()->windowHandle()->isExposed();
+	}) | rpl::distinct_until_changed(
+	) | rpl::filter(rpl::mappers::_1) | rpl::start_with_next([=] {
 		// Workaround Qt's forced transient parent.
 		Ui::Platform::ClearTransientParent(widget());
 	}, rp()->lifetime());