From 3fa3428b4bb6ab88406e468f70b21beaeaa16d1f Mon Sep 17 00:00:00 2001
From: 23rd <23rd@vivaldi.net>
Date: Tue, 26 Mar 2019 08:40:22 +0300
Subject: [PATCH] Added ability to go to top of media panel by clicking on
 selected tab.

---
 Telegram/SourceFiles/boxes/stickers_box.cpp           | 1 +
 Telegram/SourceFiles/chat_helpers/tabbed_selector.cpp | 1 +
 Telegram/SourceFiles/ui/widgets/discrete_sliders.cpp  | 6 ++----
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/Telegram/SourceFiles/boxes/stickers_box.cpp b/Telegram/SourceFiles/boxes/stickers_box.cpp
index 0455a7d20..f8853e4bd 100644
--- a/Telegram/SourceFiles/boxes/stickers_box.cpp
+++ b/Telegram/SourceFiles/boxes/stickers_box.cpp
@@ -436,6 +436,7 @@ void StickersBox::switchTab() {
 		requestArchivedSets();
 	}
 	if (_tab == newTab) {
+		onScrollToY(0);
 		return;
 	}
 
diff --git a/Telegram/SourceFiles/chat_helpers/tabbed_selector.cpp b/Telegram/SourceFiles/chat_helpers/tabbed_selector.cpp
index 695ee187e..843c6feba 100644
--- a/Telegram/SourceFiles/chat_helpers/tabbed_selector.cpp
+++ b/Telegram/SourceFiles/chat_helpers/tabbed_selector.cpp
@@ -782,6 +782,7 @@ void TabbedSelector::switchTab() {
 	Assert(tab >= 0 && tab < Tab::kCount);
 	auto newTabType = static_cast<SelectorTab>(tab);
 	if (_currentTabType == newTabType) {
+		_scroll->scrollToY(0);
 		return;
 	}
 
diff --git a/Telegram/SourceFiles/ui/widgets/discrete_sliders.cpp b/Telegram/SourceFiles/ui/widgets/discrete_sliders.cpp
index ba975e589..aa2cd5e03 100644
--- a/Telegram/SourceFiles/ui/widgets/discrete_sliders.cpp
+++ b/Telegram/SourceFiles/ui/widgets/discrete_sliders.cpp
@@ -17,10 +17,8 @@ DiscreteSlider::DiscreteSlider(QWidget *parent) : RpWidget(parent) {
 }
 
 void DiscreteSlider::setActiveSection(int index) {
-	if (_activeIndex != index) {
-		_activeIndex = index;
-		activateCallback();
-	}
+	_activeIndex = index;
+	activateCallback();
 	setSelectedSection(index);
 }