Automatic applying of emoji outline change

Telegram/SourceFiles/chat_helpers/stickers_emoji_pack.cpp

@@ -327,7 +327,7 @@ QImage EmojiImageLoader::prepare(EmojiPtr emoji) {
 	auto tinted = QImage(
 		QSize(st::largeEmojiSize, st::largeEmojiSize) * factor,
 		QImage::Format_ARGB32_Premultiplied);
-	tinted.fill(cBigEmojiOutline() ? Qt::white : QColor(0, 0, 0, 0));
+	tinted.fill(BigEmojiOutline() ? Qt::white : QColor(0, 0, 0, 0));
 	if (loaded) {
 		QPainter p(&tinted);
 		p.setCompositionMode(QPainter::CompositionMode_DestinationIn);
@@ -413,6 +413,17 @@ EmojiPack::EmojiPack(not_null<Main::Session*> session)
 		refreshAll();
 	}, _lifetime);
 
+	BigEmojiOutlineChanges(
+	) | rpl::start_with_next([=] {
+		_images.clear();
+		_imageLoader.with([
+			source = prepareSourceImages()
+		](details::EmojiImageLoader &loader) mutable {
+			loader.switchTo(std::move(source));
+		});
+		refreshAll();
+	}, _lifetime);
+
 	Ui::Emoji::Updated(
 	) | rpl::start_with_next([=] {
 		_images.clear();

Telegram/SourceFiles/core/kotato_settings.cpp

@@ -166,7 +166,7 @@ bool Manager::readCustomFile() {
 
 	const auto settingsBigEmojiOutlineIt = settings.constFind(qsl("big_emoji_outline"));
 	if (settingsBigEmojiOutlineIt != settings.constEnd() && (*settingsBigEmojiOutlineIt).isBool()) {
-		cSetBigEmojiOutline((*settingsBigEmojiOutlineIt).toBool());
+		SetBigEmojiOutline((*settingsBigEmojiOutlineIt).toBool());
 	}
 
 	const auto settingsAlwaysShowScheduledIt = settings.constFind(qsl("always_show_scheduled"));
@@ -247,7 +247,7 @@ void Manager::writeDefaultFile() {
 	settings.insert(qsl("fonts"), settingsFonts);
 
 	settings.insert(qsl("sticker_height"), cStickerHeight());
-	settings.insert(qsl("big_emoji_outline"), cBigEmojiOutline());
+	settings.insert(qsl("big_emoji_outline"), BigEmojiOutline());
 	settings.insert(qsl("always_show_scheduled"), cAlwaysShowScheduled());
 	settings.insert(qsl("show_chat_id"), cShowChatId());
 	settings.insert(qsl("net_speed_boost"), QJsonValue(QJsonValue::Null));

Telegram/SourceFiles/history/history_widget.cpp

@@ -504,6 +504,13 @@ HistoryWidget::HistoryWidget(
 		});
 	}, lifetime());
 
+	BigEmojiOutlineChanges(
+	) | rpl::start_with_next([=] {
+		crl::on_main(this, [=] {
+			updateHistoryGeometry();
+		});
+	}, lifetime());
+
 	session().data().animationPlayInlineRequest(
 	) | rpl::start_with_next([=](not_null<HistoryItem*> item) {
 		if (const auto view = item->mainView()) {

Telegram/SourceFiles/settings.cpp

@@ -211,7 +211,18 @@ QString gMainFont, gSemiboldFont, gMonospaceFont;
 bool gSemiboldFontIsBold = false;
 
 int gStickerHeight = 128;
-bool gBigEmojiOutline = false;
+
+rpl::variable<bool> gBigEmojiOutline = false;
+void SetBigEmojiOutline(bool enabled) {
+	gBigEmojiOutline = enabled;
+}
+bool BigEmojiOutline() {
+	return gBigEmojiOutline.current();
+}
+rpl::producer<bool> BigEmojiOutlineChanges() {
+	return gBigEmojiOutline.changes();
+}
+
 bool gAlwaysShowScheduled = true;
 bool gShowChatId = true;
 

Telegram/SourceFiles/settings.h

@@ -184,8 +184,11 @@ DeclareSetting(QString, SemiboldFont);
 DeclareSetting(bool, SemiboldFontIsBold);
 DeclareSetting(QString, MonospaceFont);
 
+void SetBigEmojiOutline(bool enabled);
+[[nodiscard]] bool BigEmojiOutline();
+[[nodiscard]] rpl::producer<bool> BigEmojiOutlineChanges();
+
 DeclareSetting(int, StickerHeight);
-DeclareSetting(bool, BigEmojiOutline);
 DeclareSetting(bool, AlwaysShowScheduled);
 DeclareSetting(bool, ShowChatId);
 

Telegram/SourceFiles/settings/settings_kotato.cpp

@@ -71,12 +71,12 @@ void SetupKotatoChats(not_null<Ui::VerticalLayout*> container) {
 		tr::ktg_settings_emoji_outline(),
 		st::settingsButton
 	)->toggleOn(
-		rpl::single(cBigEmojiOutline())
+		rpl::single(BigEmojiOutline())
 	)->toggledValue(
 	) | rpl::filter([](bool enabled) {
-		return (enabled != cBigEmojiOutline());
+		return (enabled != BigEmojiOutline());
 	}) | rpl::start_with_next([](bool enabled) {
-		cSetBigEmojiOutline(enabled);
+		SetBigEmojiOutline(enabled);
 	}, container->lifetime());
 
 	AddButton(