From 3845a87f2ec11055cc887d438ede7912b781b42c Mon Sep 17 00:00:00 2001
From: 23rd <23rd@vivaldi.net>
Date: Tue, 26 Mar 2024 18:56:00 +0300
Subject: [PATCH] Added fade animation to center label of slider in earn
 channel section.

---
 .../info/channel_statistics/earn/channel_earn.style         | 1 +
 .../info/channel_statistics/earn/info_earn_inner_widget.cpp | 6 +++++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/Telegram/SourceFiles/info/channel_statistics/earn/channel_earn.style b/Telegram/SourceFiles/info/channel_statistics/earn/channel_earn.style
index c3007e16d..7f0815fc4 100644
--- a/Telegram/SourceFiles/info/channel_statistics/earn/channel_earn.style
+++ b/Telegram/SourceFiles/info/channel_statistics/earn/channel_earn.style
@@ -101,6 +101,7 @@ channelEarnBalanceMinorLabel: FlatLabel(channelEarnOverviewMinorLabel) {
 	}
 }
 channelEarnBalanceMinorLabelSkip: 6px;
+channelEarnFadeDuration: 60;
 
 channelEarnLearnDescription: FlatLabel(defaultFlatLabel) {
 	maxHeight: 0px;
diff --git a/Telegram/SourceFiles/info/channel_statistics/earn/info_earn_inner_widget.cpp b/Telegram/SourceFiles/info/channel_statistics/earn/info_earn_inner_widget.cpp
index 90277d90a..0526f52bb 100644
--- a/Telegram/SourceFiles/info/channel_statistics/earn/info_earn_inner_widget.cpp
+++ b/Telegram/SourceFiles/info/channel_statistics/earn/info_earn_inner_widget.cpp
@@ -26,6 +26,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "statistics/chart_widget.h"
 #include "ui/controls/userpic_button.h"
 #include "ui/effects/animation_value_f.h"
+#include "ui/effects/fade_animation.h"
 #include "ui/layers/generic_box.h"
 #include "ui/painter.h"
 #include "ui/rect.h"
@@ -852,6 +853,8 @@ void InnerWidget::fill() {
 		const auto center = Ui::CreateChild<Ui::FlatLabel>(
 			line,
 			st::defaultFlatLabel);
+		const auto fade = lifetime().make_state<Ui::FadeAnimation>(center);
+		fade->setUpdatedCallback([=](float64 o) { center->setOpacity(o); });
 		const auto right = Ui::CreateChild<Ui::FlatLabel>(
 			line,
 			st::defaultFlatLabel);
@@ -902,8 +905,9 @@ void InnerWidget::fill() {
 						EmojiCurrency(session),
 						Ui::Text::RichLangValue),
 					makeContext(center));
+				fade->fadeIn(st::channelEarnFadeDuration);
 			} else {
-				center->setText({});
+				fade->fadeOut(st::channelEarnFadeDuration);
 			}
 			center->setTextColorOverride(activeColor);