From bf0f956325c462a0c1191c919a26bc265f9d8a3b Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Wed, 17 May 2017 23:59:43 +0300
Subject: [PATCH] Preserve panels state through visibility toggles.

Emoji/Stickers/GIFs panel saves all the state between activations.
---
 .../SourceFiles/chat_helpers/emoji_list_widget.cpp    |  3 ++-
 .../SourceFiles/chat_helpers/gifs_list_widget.cpp     |  6 ++++--
 .../SourceFiles/chat_helpers/stickers_list_widget.cpp | 11 ++++++-----
 Telegram/SourceFiles/chat_helpers/tabbed_selector.cpp |  2 --
 4 files changed, 12 insertions(+), 10 deletions(-)

diff --git a/Telegram/SourceFiles/chat_helpers/emoji_list_widget.cpp b/Telegram/SourceFiles/chat_helpers/emoji_list_widget.cpp
index a184095bb..a2c25bd16 100644
--- a/Telegram/SourceFiles/chat_helpers/emoji_list_widget.cpp
+++ b/Telegram/SourceFiles/chat_helpers/emoji_list_widget.cpp
@@ -75,7 +75,8 @@ EmojiListWidget::Footer::Footer(gsl::not_null<EmojiListWidget*> parent) : InnerF
 }
 
 void EmojiListWidget::Footer::processPanelHideFinished() {
-	setCurrentSectionIcon(Section::Recent);
+	// Preserve panel state through visibility toggles.
+	//setCurrentSectionIcon(Section::Recent);
 }
 
 void EmojiListWidget::Footer::setCurrentSectionIcon(Section section) {
diff --git a/Telegram/SourceFiles/chat_helpers/gifs_list_widget.cpp b/Telegram/SourceFiles/chat_helpers/gifs_list_widget.cpp
index e06fc42bd..df994ec7d 100644
--- a/Telegram/SourceFiles/chat_helpers/gifs_list_widget.cpp
+++ b/Telegram/SourceFiles/chat_helpers/gifs_list_widget.cpp
@@ -116,7 +116,8 @@ void GifsListWidget::Footer::paintEvent(QPaintEvent *e) {
 }
 
 void GifsListWidget::Footer::processPanelHideFinished() {
-	_field->setText(QString());
+	// Preserve panel state through visibility toggles.
+	//_field->setText(QString());
 }
 
 GifsListWidget::GifsListWidget(QWidget *parent, gsl::not_null<Window::Controller*> controller) : Inner(parent, controller)
@@ -407,7 +408,8 @@ void GifsListWidget::processPanelHideFinished() {
 			result->forget();
 		}
 	};
-	clearInlineRows(false);
+	// Preserve panel state through visibility toggles.
+	//clearInlineRows(false);
 	for_const (auto &item, _gifLayouts) {
 		itemForget(item.second);
 	}
diff --git a/Telegram/SourceFiles/chat_helpers/stickers_list_widget.cpp b/Telegram/SourceFiles/chat_helpers/stickers_list_widget.cpp
index 8f3bb7f9f..5ebc54647 100644
--- a/Telegram/SourceFiles/chat_helpers/stickers_list_widget.cpp
+++ b/Telegram/SourceFiles/chat_helpers/stickers_list_widget.cpp
@@ -1009,11 +1009,12 @@ void StickersListWidget::processHideFinished() {
 void StickersListWidget::processPanelHideFinished() {
 	clearInstalledLocally();
 
-	// Reset to the recent stickers section.
-	if (_section == Section::Featured && (!_footer || !_footer->hasOnlyFeaturedSets())) {
-		_section = Section::Stickers;
-		validateSelectedIcon(ValidateIconAnimations::None);
-	}
+	// Preserve panel state through visibility toggles.
+	//// Reset to the recent stickers section.
+	//if (_section == Section::Featured && (!_footer || !_footer->hasOnlyFeaturedSets())) {
+	//	_section = Section::Stickers;
+	//	validateSelectedIcon(ValidateIconAnimations::None);
+	//}
 }
 
 void StickersListWidget::refreshStickers() {
diff --git a/Telegram/SourceFiles/chat_helpers/tabbed_selector.cpp b/Telegram/SourceFiles/chat_helpers/tabbed_selector.cpp
index 05a81ba5a..bfdf79dc8 100644
--- a/Telegram/SourceFiles/chat_helpers/tabbed_selector.cpp
+++ b/Telegram/SourceFiles/chat_helpers/tabbed_selector.cpp
@@ -461,8 +461,6 @@ void TabbedSelector::hideFinished() {
 	}
 	_a_slide.finish();
 	_slideAnimation.reset();
-
-	scrollToY(0);
 }
 
 void TabbedSelector::showStarted() {