From 485d820fe257574ff35ee56ecd85474170cf263e Mon Sep 17 00:00:00 2001
From: cumdev1337 <cumdev1337@dev.cum>
Date: Wed, 4 Mar 2026 01:08:43 +0200
Subject: [PATCH] Do not exit fullscreen mode when applying video quality

---
 Telegram/SourceFiles/media/view/media_view_overlay_widget.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Telegram/SourceFiles/media/view/media_view_overlay_widget.cpp b/Telegram/SourceFiles/media/view/media_view_overlay_widget.cpp
index 1ca2724b70..737f59c88a 100644
--- a/Telegram/SourceFiles/media/view/media_view_overlay_widget.cpp
+++ b/Telegram/SourceFiles/media/view/media_view_overlay_widget.cpp
@@ -4817,11 +4817,14 @@ void OverlayWidget::applyVideoQuality(VideoQuality value) {
 	}
 	_streamingStartPaused = _streamedQualityChangeFinished
 		|| (_streamed && _streamed->instance.player().paused());
+	const auto wasFullScreen = _fullScreenVideo;
 	clearStreaming();
 	const auto time = _streamedPosition;
 	const auto startStreaming = StartStreaming(false, time);
 	if (!canInitStreaming() || !initStreaming(startStreaming)) {
 		redisplayContent();
+	} else {
+		_fullScreenVideo = wasFullScreen;
 	}
 }