From 3654c197a9b2de0e92b30a4890abfdefb20c647b Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Wed, 26 Jul 2023 12:00:57 +0400
Subject: [PATCH] Fix DirectManipulation scroll events in media viewer.

---
 .../SourceFiles/media/view/media_view_overlay_widget.cpp    | 6 ++++--
 Telegram/lib_ui                                             | 2 +-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/Telegram/SourceFiles/media/view/media_view_overlay_widget.cpp b/Telegram/SourceFiles/media/view/media_view_overlay_widget.cpp
index 535beeb2a..75faf2be5 100644
--- a/Telegram/SourceFiles/media/view/media_view_overlay_widget.cpp
+++ b/Telegram/SourceFiles/media/view/media_view_overlay_widget.cpp
@@ -5065,20 +5065,22 @@ void OverlayWidget::handleKeyPress(not_null<QKeyEvent*> e) {
 void OverlayWidget::handleWheelEvent(not_null<QWheelEvent*> e) {
 	constexpr auto step = int(QWheelEvent::DefaultDeltasPerStep);
 
+	const auto acceptForJump = (e->source() == Qt::MouseEventNotSynthesized)
+		|| (e->source() == Qt::MouseEventSynthesizedBySystem);
 	_verticalWheelDelta += e->angleDelta().y();
 	while (qAbs(_verticalWheelDelta) >= step) {
 		if (_verticalWheelDelta < 0) {
 			_verticalWheelDelta += step;
 			if (e->modifiers().testFlag(Qt::ControlModifier)) {
 				zoomOut();
-			} else if (e->source() == Qt::MouseEventNotSynthesized) {
+			} else if (acceptForJump) {
 				moveToNext(1);
 			}
 		} else {
 			_verticalWheelDelta -= step;
 			if (e->modifiers().testFlag(Qt::ControlModifier)) {
 				zoomIn();
-			} else if (e->source() == Qt::MouseEventNotSynthesized) {
+			} else if (acceptForJump) {
 				moveToNext(-1);
 			}
 		}
diff --git a/Telegram/lib_ui b/Telegram/lib_ui
index 2f0ac3822..91d43ea4b 160000
--- a/Telegram/lib_ui
+++ b/Telegram/lib_ui
@@ -1 +1 @@
-Subproject commit 2f0ac382289d0584002c007bdf2b3e4464f75b58
+Subproject commit 91d43ea4b50ef1e7df810ab1f14c49e044570734