Allow editing group wallpaper / status / emoji set.

2025-04-16 06:07:06 +02:00 · 2024-02-08 21:58:16 +04:00 · 2024-02-08 21:58:16 +04:00 · 08efa73b2b
commit 08efa73b2b
parent 680171226c
14 changed files with 308 additions and 110 deletions
--- a/Telegram/Resources/langs/lang.strings
+++ b/Telegram/Resources/langs/lang.strings
@ -1986,6 +1986,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_group_stickers" = "Group stickers";
 "lng_group_stickers_description" = "You can choose a sticker set which will be available for every member while in the group chat.";
 "lng_group_stickers_add" = "Choose sticker set";
+"lng_group_emoji" = "Group emoji pack";
+"lng_group_emoji_description" = "Choose an emoji pack that will be available to all members within the group.";

 "lng_premium" = "Premium";
 "lng_premium_free" = "Free";
@ -2230,15 +2232,23 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_boost_channel_title_wallpaper" = "Enable wallpapers";
 "lng_boost_channel_needs_level_wallpaper#one" = "Your channel needs to reach **Level {count}** to change channel wallpaper.";
 "lng_boost_channel_needs_level_wallpaper#other" = "Your channel needs to reach **Level {count}** to change channel wallpaper.";
+"lng_boost_group_needs_level_wallpaper#one" = "Your group needs to reach **Level {count}** to change group wallpaper.";
+"lng_boost_group_needs_level_wallpaper#other" = "Your group needs to reach **Level {count}** to change group wallpaper.";

 "lng_boost_channel_title_status" = "Enable emoji status";
 "lng_boost_channel_needs_level_status#one" = "Your channel needs to reach **Level {count}** to set emoji status.";
 "lng_boost_channel_needs_level_status#other" = "Your channel needs to reach **Level {count}** to set emoji status.";
+"lng_boost_group_needs_level_status#one" = "Your group needs to reach **Level {count}** to set emoji status.";
+"lng_boost_group_needs_level_status#other" = "Your group needs to reach **Level {count}** to set emoji status.";

 "lng_boost_channel_title_reactions" = "Custom reactions";
 "lng_boost_channel_needs_level_reactions#one" = "Your channel needs to reach **Level {count}** to add **{same_count}** custom emoji as a reaction.";
 "lng_boost_channel_needs_level_reactions#other" = "Your channel needs to reach **Level {count}** to add **{same_count}** custom emoji as reactions.";

+"lng_boost_group_title_emoji" = "Enable emoji pack";
+"lng_boost_group_needs_level_emoji#one" = "Your group needs to reach **Level {count}** to set emoji pack.";
+"lng_boost_group_needs_level_emoji#other" = "Your group needs to reach **Level {count}** to set emoji pack.";
+
 "lng_boost_channel_ask" = "Ask your **Premium** subscribers to boost your channel with this link:";
 "lng_boost_channel_ask_button" = "Copy Link";
 "lng_boost_channel_or" = "or";
@ -2518,6 +2528,10 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_stickers_remove_pack_confirm" = "Remove";
 "lng_stickers_archive_pack" = "Archive Stickers";
 "lng_stickers_has_been_archived" = "Sticker pack has been archived.";
+"lng_emoji_group_set" = "Group emoji set";
+"lng_emoji_remove_group_set" = "Remove group emoji set?";
+"lng_emoji_group_from_your" = "Choose from your emoji";
+"lng_emoji_group_from_featured" = "Choose from trending emoji";
 "lng_masks_archive_pack" = "Archive Masks";
 "lng_masks_has_been_archived" = "Mask pack has been archived.";
 "lng_masks_installed" = "Mask pack has been installed.";
@ -3028,8 +3042,12 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_edit_channel_level_min" = "Level 1+";
 "lng_edit_channel_wallpaper" = "Channel wallpaper";
 "lng_edit_channel_wallpaper_about" = "Set a wallpaper that will be visible for everyone reading your channel.";
+"lng_edit_channel_wallpaper_group" = "Group wallpaper";
+"lng_edit_channel_wallpaper_about_group" = "Set a wallpaper that will be visible for everyone participating in your group.";
 "lng_edit_channel_status" = "Channel emoji status";
 "lng_edit_channel_status_about" = "Choose a status that will be shown next to the channel's name.";
+"lng_edit_channel_status_group" = "Group emoji status";
+"lng_edit_channel_status_about_group" = "Choose a status that will be shown next to the group's name.";
 "lng_edit_self_title" = "Edit your name";
 "lng_confirm_contact_data" = "New Contact";
 "lng_add_contact" = "Create";
--- a/Telegram/SourceFiles/apiwrap.cpp
+++ b/Telegram/SourceFiles/apiwrap.cpp
@ -2606,6 +2606,19 @@ void ApiWrap::setGroupStickerSet(
 	_session->data().stickers().notifyUpdated(Data::StickersType::Stickers);
 }

+void ApiWrap::setGroupEmojiSet(
+		not_null<ChannelData*> megagroup,
+		const StickerSetIdentifier &set) {
+	Expects(megagroup->mgInfo != nullptr);
+
+	megagroup->mgInfo->emojiSet = set;
+	request(MTPchannels_SetEmojiStickers(
+		megagroup->inputChannel,
+		Data::InputStickerSet(set)
+	)).send();
+	_session->data().stickers().notifyUpdated(Data::StickersType::Emoji);
+}
+
 std::vector<not_null<DocumentData*>> *ApiWrap::stickersByEmoji(
 		const QString &key) {
 	const auto it = _stickersByEmoji.find(key);
--- a/Telegram/SourceFiles/apiwrap.h
+++ b/Telegram/SourceFiles/apiwrap.h
@ -246,6 +246,9 @@ public:
 	void setGroupStickerSet(
 		not_null<ChannelData*> megagroup,
 		const StickerSetIdentifier &set);
+	void setGroupEmojiSet(
+		not_null<ChannelData*> megagroup,
+		const StickerSetIdentifier &set);
 	[[nodiscard]] std::vector<not_null<DocumentData*>> *stickersByEmoji(
 		const QString &key);

--- a/Telegram/SourceFiles/boxes/background_preview_box.cpp
+++ b/Telegram/SourceFiles/boxes/background_preview_box.cpp
@ -708,7 +708,7 @@ void BackgroundPreviewBox::checkLevelForChannel() {
 			return std::optional<Ui::AskBoostReason>();
 		}
 		return std::make_optional(Ui::AskBoostReason{
-			Ui::AskBoostWallpaper{ required }
+			Ui::AskBoostWallpaper{ required, _forPeer->isMegagroup()}
 		});
 	}, [=] { _forPeerLevelCheck = false; });
 }
--- a/Telegram/SourceFiles/boxes/peers/edit_peer_color_box.cpp
+++ b/Telegram/SourceFiles/boxes/peers/edit_peer_color_box.cpp
@ -13,6 +13,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "base/unixtime.h"
 #include "boxes/peers/replace_boost_box.h"
 #include "boxes/background_box.h"
+#include "boxes/stickers_box.h"
 #include "chat_helpers/compose/compose_show.h"
 #include "data/data_changes.h"
 #include "data/data_channel.h"
@ -557,7 +558,10 @@ void Apply(
 			}
 			const auto reason = [&]() -> Ui::AskBoostReason {
 				if (level < statusRequired) {
-					return { Ui::AskBoostEmojiStatus{ statusRequired } };
+					return { Ui::AskBoostEmojiStatus{
+						statusRequired,
+						peer->isMegagroup()
+					} };
 				} else if (level < iconRequired) {
 					return { Ui::AskBoostChannelColor{ iconRequired } };
 				}
@ -795,7 +799,8 @@ int ColorSelector::resizeGetHeight(int newWidth) {
 		not_null<Ui::RpWidget*> parent,
 		std::shared_ptr<ChatHelpers::Show> show,
 		rpl::producer<DocumentId> statusIdValue,
-		Fn<void(DocumentId,TimeId)> statusIdChosen) {
+		Fn<void(DocumentId,TimeId)> statusIdChosen,
+		bool group) {
 	const auto &basicSt = st::settingsButtonNoIcon;
 	const auto ratio = style::DevicePixelRatio();
 	const auto added = st::normalFont->spacew;
@ -810,7 +815,9 @@ int ColorSelector::resizeGetHeight(int newWidth) {
 	st->padding.setRight(rightPadding);
 	auto result = object_ptr<Ui::SettingsButton>(
 		parent,
-		tr::lng_edit_channel_status(),
+		(group
+			? tr::lng_edit_channel_status_group()
+			: tr::lng_edit_channel_status()),
 		*st);
 	const auto raw = result.data();

@ -901,7 +908,12 @@ void EditPeerColorBox(
 		not_null<PeerData*> peer,
 		std::shared_ptr<Ui::ChatStyle> style,
 		std::shared_ptr<Ui::ChatTheme> theme) {
-	box->setTitle(tr::lng_settings_color_title());
+	const auto group = peer->isMegagroup();
+	const auto container = box->verticalLayout();
+
+	box->setTitle(peer->isSelf()
+		? tr::lng_settings_color_title()
+		: tr::lng_edit_channel_color());
 	box->setWidth(st::boxWideWidth);

 	struct State {
@ -918,52 +930,55 @@ void EditPeerColorBox(
 	state->emojiId = peer->backgroundEmojiId();
 	state->statusId = peer->emojiStatusId();

-	box->addRow(object_ptr<PreviewWrap>(
-		box,
-		style,
-		theme,
-		peer,
-		state->index.value(),
-		state->emojiId.value()
-	), {});
-
-	auto indices = peer->session().api().peerColors().suggestedValue();
-	const auto margin = st::settingsColorRadioMargin;
-	const auto skip = st::settingsColorRadioSkip;
-	box->addRow(
-		object_ptr<ColorSelector>(
+	if (!group) {
+		box->addRow(object_ptr<PreviewWrap>(
 			box,
 			style,
-			std::move(indices),
-			state->index.current(),
-			[=](uint8 index) { state->index = index; }),
-		{ margin, skip, margin, skip });
+			theme,
+			peer,
+			state->index.value(),
+			state->emojiId.value()
+		), {});

-	const auto container = box->verticalLayout();
-	Ui::AddDividerText(container, peer->isSelf()
-		? tr::lng_settings_color_about()
-		: tr::lng_settings_color_about_channel());
+		auto indices = peer->session().api().peerColors().suggestedValue();
+		const auto margin = st::settingsColorRadioMargin;
+		const auto skip = st::settingsColorRadioSkip;
+		box->addRow(
+			object_ptr<ColorSelector>(
+				box,
+				style,
+				std::move(indices),
+				state->index.current(),
+				[=](uint8 index) { state->index = index; }),
+			{ margin, skip, margin, skip });

-	Ui::AddSkip(container, st::settingsColorSampleSkip);
+		Ui::AddDividerText(container, peer->isSelf()
+			? tr::lng_settings_color_about()
+			: tr::lng_settings_color_about_channel());

-	container->add(CreateEmojiIconButton(
-		container,
-		show,
-		style,
-		state->index.value(),
-		state->emojiId.value(),
-		[=](DocumentId id) { state->emojiId = id; }));
+		Ui::AddSkip(container, st::settingsColorSampleSkip);

-	Ui::AddSkip(container, st::settingsColorSampleSkip);
-	Ui::AddDividerText(container, peer->isSelf()
-		? tr::lng_settings_color_emoji_about()
-		: tr::lng_settings_color_emoji_about_channel());
+		container->add(CreateEmojiIconButton(
+			container,
+			show,
+			style,
+			state->index.value(),
+			state->emojiId.value(),
+			[=](DocumentId id) { state->emojiId = id; }));
+
+		Ui::AddSkip(container, st::settingsColorSampleSkip);
+		Ui::AddDividerText(container, peer->isSelf()
+			? tr::lng_settings_color_emoji_about()
+			: tr::lng_settings_color_emoji_about_channel());
+	}

 	if (const auto channel = peer->asChannel()) {
 		Ui::AddSkip(container, st::settingsColorSampleSkip);
 		container->add(object_ptr<Ui::SettingsButton>(
 			container,
-			tr::lng_edit_channel_wallpaper(),
+			(group
+				? tr::lng_edit_channel_wallpaper_group()
+				: tr::lng_edit_channel_wallpaper()),
 			st::settingsButtonNoIcon)
 		)->setClickedCallback([=] {
 			const auto usage = ChatHelpers::WindowUsage::PremiumPromo;
@ -973,9 +988,25 @@ void EditPeerColorBox(
 		});

 		Ui::AddSkip(container, st::settingsColorSampleSkip);
-		Ui::AddDividerText(
-			container,
-			tr::lng_edit_channel_wallpaper_about());
+		Ui::AddDividerText(container, group
+			? tr::lng_edit_channel_wallpaper_about_group()
+			: tr::lng_edit_channel_wallpaper_about());
+
+		if (group) {
+			Ui::AddSkip(container, st::settingsColorSampleSkip);
+
+			container->add(object_ptr<Ui::SettingsButton>(
+				container,
+				tr::lng_group_emoji(),
+				st::settingsButtonNoIcon)
+			)->setClickedCallback([=] {
+				const auto isEmoji = true;
+				show->showBox(Box<StickersBox>(show, channel, isEmoji));
+			});
+
+			Ui::AddSkip(container, st::settingsColorSampleSkip);
+			Ui::AddDividerText(container, tr::lng_group_emoji_description());
+		}

 		// Preload exceptions list.
 		const auto peerPhoto = &channel->session().api().peerPhoto();
@ -996,10 +1027,13 @@ void EditPeerColorBox(
 				state->statusId = id;
 				state->statusUntil = until;
 				state->statusChanged = true;
-			}));
+			},
+			group));

 		Ui::AddSkip(container, st::settingsColorSampleSkip);
-		Ui::AddDividerText(container, tr::lng_edit_channel_status_about());
+		Ui::AddDividerText(container, group
+			? tr::lng_edit_channel_status_about_group()
+			: tr::lng_edit_channel_status_about());
 	}

 	box->addButton(tr::lng_settings_apply(), [=] {
@ -1024,19 +1058,11 @@ void EditPeerColorBox(
 	});
 }

-void AddPeerColorButton(
-		not_null<Ui::VerticalLayout*> container,
-		std::shared_ptr<ChatHelpers::Show> show,
-		not_null<PeerData*> peer) {
-	auto label = peer->isSelf()
-		? tr::lng_settings_theme_name_color()
-		: tr::lng_edit_channel_color();
-	const auto button = AddButtonWithIcon(
-		container,
-		rpl::duplicate(label),
-		st::settingsColorButton,
-		{ &st::menuIconChangeColors });
-
+void SetupPeerColorSample(
+		not_null<Button*> button,
+		not_null<PeerData*> peer,
+		rpl::producer<QString> label,
+		std::shared_ptr<Ui::ChatStyle> style) {
 	auto colorIndexValue = peer->session().changes().peerFlagsValue(
 		peer,
 		Data::PeerUpdate::Flag::Color
@ -1045,12 +1071,6 @@ void AddPeerColorButton(
 	});
 	const auto name = peer->shortName();

-	const auto style = std::make_shared<Ui::ChatStyle>(
-		peer->session().colorIndicesValue());
-	const auto theme = std::shared_ptr<Ui::ChatTheme>(
-		Window::Theme::DefaultChatThemeOn(button->lifetime()));
-	style->apply(theme.get());
-
 	const auto sample = Ui::CreateChild<ColorSample>(
 		button.get(),
 		style,
@ -1102,6 +1122,30 @@ void AddPeerColorButton(
 	}, sample->lifetime());

 	sample->setAttribute(Qt::WA_TransparentForMouseEvents);
+}
+
+void AddPeerColorButton(
+		not_null<Ui::VerticalLayout*> container,
+		std::shared_ptr<ChatHelpers::Show> show,
+		not_null<PeerData*> peer) {
+	auto label = peer->isSelf()
+		? tr::lng_settings_theme_name_color()
+		: tr::lng_edit_channel_color();
+	const auto button = AddButtonWithIcon(
+		container,
+		rpl::duplicate(label),
+		st::settingsColorButton,
+		{ &st::menuIconChangeColors });
+
+	const auto style = std::make_shared<Ui::ChatStyle>(
+		peer->session().colorIndicesValue());
+	const auto theme = std::shared_ptr<Ui::ChatTheme>(
+		Window::Theme::DefaultChatThemeOn(button->lifetime()));
+	style->apply(theme.get());
+
+	if (!peer->isMegagroup()) {
+		SetupPeerColorSample(button, peer, rpl::duplicate(label), style);
+	}

 	button->setClickedCallback([=] {
 		show->show(Box(EditPeerColorBox, show, peer, style, theme));
--- a/Telegram/SourceFiles/boxes/peers/edit_peer_info_box.cpp
+++ b/Telegram/SourceFiles/boxes/peers/edit_peer_info_box.cpp
@ -631,8 +631,9 @@ object_ptr<Ui::RpWidget> Controller::createStickersEdit() {
 		tr::lng_group_stickers_add(),
 		rpl::single(QString()), //Empty count.
 		[=, controller = _navigation->parentController()] {
+			const auto isEmoji = false;
 			controller->show(
-				Box<StickersBox>(controller->uiShow(), channel));
+				Box<StickersBox>(controller->uiShow(), channel, isEmoji));
 		},
 		{ &st::menuIconStickers });

@ -1094,8 +1095,8 @@ void Controller::fillManageSection() {
 	const auto canEditStickers = isChannel && channel->canEditStickers();
 	const auto canDeleteChannel = isChannel && channel->canDelete();
 	const auto canEditColorIndex = isChannel
-		&& !channel->isMegagroup()
-		&& channel->canEditInformation();
+		&& (channel->amCreator()
+			|| (channel->adminRights() & ChatAdminRight::ChangeInfo));
 	const auto canViewOrEditLinkedChat = isChannel
 		&& (channel->linkedChat()
 			|| (channel->isBroadcast() && channel->canEditInformation()));
--- a/Telegram/SourceFiles/boxes/stickers_box.cpp
+++ b/Telegram/SourceFiles/boxes/stickers_box.cpp
@ -17,7 +17,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "lang/lang_keys.h"
 #include "mainwidget.h"
 #include "mainwindow.h"
+#include "ui/boxes/boost_box.h"
 #include "ui/boxes/confirm_box.h"
+#include "boxes/peers/edit_peer_color_box.h"
 #include "boxes/sticker_set_box.h"
 #include "apiwrap.h"
 #include "storage/storage_account.h"
@ -38,6 +40,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/painter.h"
 #include "ui/unread_badge_paint.h"
 #include "media/clip/media_clip_reader.h"
+#include "main/main_account.h"
+#include "main/main_app_config.h"
 #include "main/main_session.h"
 #include "styles/style_layers.h"
 #include "styles/style_boxes.h"
@ -99,7 +103,8 @@ public:
 	Inner(
 		QWidget *parent,
 		std::shared_ptr<ChatHelpers::Show> show,
-		not_null<ChannelData*> megagroup);
+		not_null<ChannelData*> megagroup,
+		bool isEmoji);

 	[[nodiscard]] Main::Session &session() const;

@ -108,7 +113,7 @@ public:
 	}
 	void setInnerFocus();

-	void saveGroupSet();
+	void saveGroupSet(Fn<void()> done);

 	void rebuild(bool masks);
 	void updateSize(int newWidth = 0);
@ -221,6 +226,7 @@ private:
 	StickersSetsOrder collectSets(Check check) const;

 	void updateSelected();
+	void checkGroupLevel(Fn<void()> done);

 	void checkLoadMore();
 	void updateScrollbarWidth();
@ -323,6 +329,8 @@ private:

 	int _scrollbar = 0;
 	ChannelData *_megagroupSet = nullptr;
+	bool _megagroupSetEmoji = false;
+	bool _checkingGroupLevel = false;
 	StickerSetIdentifier _megagroupSetInput;
 	std::unique_ptr<Row> _megagroupSelectedSet;
 	object_ptr<AddressField> _megagroupSetField = { nullptr };
@ -429,15 +437,16 @@ StickersBox::StickersBox(
 StickersBox::StickersBox(
 	QWidget*,
 	std::shared_ptr<ChatHelpers::Show> show,
-	not_null<ChannelData*> megagroup)
+	not_null<ChannelData*> megagroup,
+	bool isEmoji)
 : _st(st::stickersRowItem)
 , _show(std::move(show))
 , _session(&_show->session())
 , _api(&_session->mtp())
 , _section(Section::Installed)
 , _isMasks(false)
-, _isEmoji(false)
-, _installed(0, this, _show, megagroup)
+, _isEmoji(isEmoji)
+, _installed(0, this, _show, megagroup, isEmoji)
 , _megagroupSet(megagroup) {
 	_installed.widget()->scrollsToY(
 	) | rpl::start_with_next([=](int y) {
@ -581,7 +590,9 @@ void StickersBox::prepare() {
 				session().local().readArchivedStickers();
 			}
 		} else {
-			setTitle(tr::lng_stickers_group_set());
+			setTitle(_isEmoji
+				? tr::lng_emoji_group_set()
+				: tr::lng_stickers_group_set());
 		}
 	} else if (_section == Section::Archived) {
 		requestArchivedSets();
@ -659,9 +670,11 @@ void StickersBox::prepare() {
 	}

 	if (_megagroupSet) {
-		addButton(
-			tr::lng_settings_save(),
-			[=] { _installed.widget()->saveGroupSet(); closeBox(); });
+		addButton(tr::lng_settings_save(), [=] {
+			_installed.widget()->saveGroupSet(crl::guard(this, [=] {
+				closeBox();
+			}));
+		});
 		addButton(tr::lng_cancel(), [=] { closeBox(); });
 	} else {
 		const auto close = _section == Section::Attached;
@ -1220,7 +1233,8 @@ StickersBox::Inner::Inner(
 StickersBox::Inner::Inner(
 	QWidget *parent,
 	std::shared_ptr<ChatHelpers::Show> show,
-	not_null<ChannelData*> megagroup)
+	not_null<ChannelData*> megagroup,
+	bool isEmoji)
 : RpWidget(parent)
 , _st(st::stickersRowItem)
 , _show(std::move(show))
@ -1248,19 +1262,30 @@ StickersBox::Inner::Inner(
 })
 , _itemsTop(st::lineWidth)
 , _megagroupSet(megagroup)
-, _megagroupSetInput(_megagroupSet->mgInfo->stickerSet)
+, _megagroupSetEmoji(isEmoji)
+, _megagroupSetInput(isEmoji
+	? _megagroupSet->mgInfo->emojiSet
+	: _megagroupSet->mgInfo->stickerSet)
 , _megagroupSetField(
 	this,
 	st::groupStickersField,
-	rpl::single(u"stickerset"_q),
+	rpl::single(isEmoji ? u"emojipack"_q : u"stickerset"_q),
 	QString(),
 	_session->createInternalLink(QString()))
 , _megagroupDivider(this)
-, _megagroupSubTitle(this, tr::lng_stickers_group_from_your(tr::now), st::boxTitle) {
+, _megagroupSubTitle(
+		this,
+		(isEmoji
+			? tr::lng_emoji_group_from_your
+			: tr::lng_stickers_group_from_your)(tr::now),
+		st::boxTitle) {
 	_megagroupSetField->setLinkPlaceholder(
-		_session->createInternalLink(u"addstickers/"_q));
+		_session->createInternalLink(
+			isEmoji ? u"addemoji/"_q : u"addstickers/"_q));
 	_megagroupSetField->setPlaceholderHidden(false);
-	_megagroupSetAddressChangedTimer.setCallback([this] { handleMegagroupSetAddressChange(); });
+	_megagroupSetAddressChangedTimer.setCallback([this] {
+		handleMegagroupSetAddressChange();
+	});
 	connect(
 		_megagroupSetField,
 		&Ui::MaskedInputField::changed,
@ -1689,7 +1714,9 @@ void StickersBox::Inner::paintFakeButton(Painter &p, not_null<Row*> row, int ind
 }

 void StickersBox::Inner::mousePressEvent(QMouseEvent *e) {
-	if (_dragging >= 0) mouseReleaseEvent(e);
+	if (_dragging >= 0) {
+		mouseReleaseEvent(e);
+	}
 	_mouse = e->globalPos();
 	updateSelected();

@ -1979,18 +2006,63 @@ void StickersBox::Inner::mouseReleaseEvent(QMouseEvent *e) {
 	setActionDown(-1);
 }

-void StickersBox::Inner::saveGroupSet() {
+void StickersBox::Inner::saveGroupSet(Fn<void()> done) {
 	Expects(_megagroupSet != nullptr);

-	auto oldId = _megagroupSet->mgInfo->stickerSet.id;
+	auto oldId = _megagroupSetEmoji
+		? _megagroupSet->mgInfo->emojiSet.id
+		: _megagroupSet->mgInfo->stickerSet.id;
 	auto newId = _megagroupSetInput.id;
-	if (newId != oldId) {
+	if (newId == oldId) {
+		done();
+	} else if (_megagroupSetEmoji) {
+		checkGroupLevel(done);
+	} else {
 		session().api().setGroupStickerSet(_megagroupSet, _megagroupSetInput);
 		session().data().stickers().notifyStickerSetInstalled(
 			Data::Stickers::MegagroupSetId);
 	}
 }

+void StickersBox::Inner::checkGroupLevel(Fn<void()> done) {
+	Expects(_megagroupSet != nullptr);
+	Expects(_megagroupSetEmoji);
+
+	const auto peer = _megagroupSet;
+	const auto save = [=] {
+		session().api().setGroupEmojiSet(peer, _megagroupSetInput);
+		session().data().stickers().notifyEmojiSetInstalled(
+			Data::Stickers::MegagroupSetId);
+		done();
+	};
+
+	if (!_megagroupSetInput) {
+		save();
+	} else if (_checkingGroupLevel) {
+		return;
+	}
+	_checkingGroupLevel = true;
+
+	const auto weak = Ui::MakeWeak(this);
+	CheckBoostLevel(_show, peer, [=](int level) {
+		if (!weak) {
+			return std::optional<Ui::AskBoostReason>();
+		}
+		_checkingGroupLevel = false;
+		const auto appConfig = &peer->session().account().appConfig();
+		const auto required = appConfig->get<int>(
+			"group_emoji_stickers_level_min",
+			4);
+		if (level >= required) {
+			save();
+			return std::optional<Ui::AskBoostReason>();
+		}
+		return std::make_optional(Ui::AskBoostReason{
+			Ui::AskBoostEmojiPack{ required }
+		});
+	}, [=] { _checkingGroupLevel = false; });
+}
+
 void StickersBox::Inner::setRowRemovedBySetId(uint64 setId, bool removed) {
 	const auto index = getRowIndex(setId);
 	if (index >= 0) {
@ -2233,9 +2305,13 @@ void StickersBox::Inner::rebuild(bool masks) {
 	clear();
 	const auto &order = ([&]() -> const StickersSetsOrder & {
 		if (_section == Section::Installed) {
-			auto &result = session().data().stickers().setsOrder();
+			auto &result = _megagroupSetEmoji
+				? session().data().stickers().emojiSetsOrder()
+				: session().data().stickers().setsOrder();
 			if (_megagroupSet && result.empty()) {
-				return session().data().stickers().featuredSetsOrder();
+				return _megagroupSetEmoji
+					? session().data().stickers().featuredEmojiSetsOrder()
+					: session().data().stickers().featuredSetsOrder();
 			}
 			return result;
 		} else if (_section == Section::Masks) {
@ -2252,9 +2328,15 @@ void StickersBox::Inner::rebuild(bool masks) {

 	const auto &sets = session().data().stickers().sets();
 	if (_megagroupSet) {
-		auto usingFeatured = session().data().stickers().setsOrder().empty();
+		auto usingFeatured = _megagroupSetEmoji
+			? session().data().stickers().emojiSetsOrder().empty()
+			: session().data().stickers().setsOrder().empty();
 		_megagroupSubTitle->setText(usingFeatured
-			? tr::lng_stickers_group_from_featured(tr::now)
+			? (_megagroupSetEmoji
+				? tr::lng_stickers_group_from_featured(tr::now)
+				: tr::lng_emoji_group_from_featured(tr::now))
+			: _megagroupSetEmoji
+			? tr::lng_emoji_group_from_your(tr::now)
 			: tr::lng_stickers_group_from_your(tr::now));
 		updateControlsGeometry();
 	} else if (_isInstalledTab) {
--- a/Telegram/SourceFiles/boxes/stickers_box.h
+++ b/Telegram/SourceFiles/boxes/stickers_box.h
@ -66,7 +66,8 @@ public:
 	StickersBox(
 		QWidget*,
 		std::shared_ptr<ChatHelpers::Show> show,
-		not_null<ChannelData*> megagroup);
+		not_null<ChannelData*> megagroup,
+		bool isEmoji);
 	StickersBox(
 		QWidget*,
 		std::shared_ptr<ChatHelpers::Show> show,
--- a/Telegram/SourceFiles/chat_helpers/stickers_list_widget.cpp
+++ b/Telegram/SourceFiles/chat_helpers/stickers_list_widget.cpp
@ -1767,7 +1767,8 @@ void StickersListWidget::mouseReleaseEvent(QMouseEvent *e) {
 				removeSet(sets[button->section].id);
 			}
 		} else if (std::get_if<OverGroupAdd>(&pressed)) {
-			_show->showBox(Box<StickersBox>(_show, _megagroupSet));
+			const auto isEmoji = false;
+			_show->showBox(Box<StickersBox>(_show, _megagroupSet, isEmoji));
 		}
 	}
 }
@ -2617,7 +2618,8 @@ void StickersListWidget::setupSearch() {
 void StickersListWidget::displaySet(uint64 setId) {
 	if (setId == Data::Stickers::MegagroupSetId) {
 		if (_megagroupSet->canEditStickers()) {
-			checkHideWithBox(Box<StickersBox>(_show, _megagroupSet));
+			const auto isEmoji = false;
+			checkHideWithBox(Box<StickersBox>(_show, _megagroupSet, isEmoji));
 			return;
 		} else if (_megagroupSet->mgInfo->stickerSet.id) {
 			setId = _megagroupSet->mgInfo->stickerSet.id;
--- a/Telegram/SourceFiles/data/data_changes.h
+++ b/Telegram/SourceFiles/data/data_changes.h
@ -101,13 +101,14 @@ struct PeerUpdate {
 		// For channels
 		ChannelAmIn         = (1ULL << 36),
 		StickersSet         = (1ULL << 37),
-		ChannelLinkedChat   = (1ULL << 38),
-		ChannelLocation     = (1ULL << 39),
-		Slowmode            = (1ULL << 40),
-		GroupCall           = (1ULL << 41),
+		EmojiSet            = (1ULL << 38),
+		ChannelLinkedChat   = (1ULL << 39),
+		ChannelLocation     = (1ULL << 40),
+		Slowmode            = (1ULL << 41),
+		GroupCall           = (1ULL << 42),

 		// For iteration
-		LastUsedBit         = (1ULL << 41),
+		LastUsedBit         = (1ULL << 42),
 	};
 	using Flags = base::flags<Flag>;
 	friend inline constexpr auto is_flag_type(Flag) { return true; }
--- a/Telegram/SourceFiles/data/data_channel.cpp
+++ b/Telegram/SourceFiles/data/data_channel.cpp
@ -1163,20 +1163,34 @@ void ApplyChannelUpdate(
 			channel->owner().botCommandsChanged(channel);
 		}
 		const auto stickerSet = update.vstickerset();
-		const auto set = stickerSet ? &stickerSet->c_stickerSet() : nullptr;
-		const auto newSetId = (set ? set->vid().v : 0);
-		const auto oldSetId = channel->mgInfo->stickerSet.id;
+		const auto sset = stickerSet ? &stickerSet->c_stickerSet() : nullptr;
+		const auto newStickerSetId = (sset ? sset->vid().v : 0);
+		const auto oldStickerSetId = channel->mgInfo->stickerSet.id;
 		const auto stickersChanged = (canEditStickers != channel->canEditStickers())
-			|| (oldSetId != newSetId);
-		if (oldSetId != newSetId) {
+			|| (oldStickerSetId != newStickerSetId);
+		if (oldStickerSetId != newStickerSetId) {
 			channel->mgInfo->stickerSet = StickerSetIdentifier{
-				.id = set ? set->vid().v : 0,
-				.accessHash = set ? set->vaccess_hash().v : 0,
+				.id = sset ? sset->vid().v : 0,
+				.accessHash = sset ? sset->vaccess_hash().v : 0,
 			};
 		}
 		if (stickersChanged) {
 			session->changes().peerUpdated(channel, UpdateFlag::StickersSet);
 		}
+		const auto emojiSet = update.vemojiset();
+		const auto eset = emojiSet ? &emojiSet->c_stickerSet() : nullptr;
+		const auto newEmojiSetId = (eset ? eset->vid().v : 0);
+		const auto oldEmojiSetId = channel->mgInfo->emojiSet.id;
+		const auto emojiChanged = (oldEmojiSetId != newEmojiSetId);
+		if (oldEmojiSetId != newEmojiSetId) {
+			channel->mgInfo->emojiSet = StickerSetIdentifier{
+				.id = eset ? eset->vid().v : 0,
+				.accessHash = eset ? eset->vaccess_hash().v : 0,
+			};
+		}
+		if (emojiChanged) {
+			session->changes().peerUpdated(channel, UpdateFlag::EmojiSet);
+		}
 		channel->setBoostsUnrestrict(
 			update.vboosts_applied().value_or_empty(),
 			update.vboosts_unrestrict().value_or_empty());
--- a/Telegram/SourceFiles/data/data_channel.h
+++ b/Telegram/SourceFiles/data/data_channel.h
@ -125,6 +125,7 @@ public:
 	bool joinedMessageFound = false;
 	bool adminsLoaded = false;
 	StickerSetIdentifier stickerSet;
+	StickerSetIdentifier emojiSet;

 	enum LastParticipantsStatus {
 		LastParticipantsUpToDate       = 0x00,
--- a/Telegram/SourceFiles/ui/boxes/boost_box.cpp
+++ b/Telegram/SourceFiles/ui/boxes/boost_box.cpp
@ -684,6 +684,8 @@ void AskBoostBox(
 		return tr::lng_boost_channel_title_wallpaper();
 	}, [&](AskBoostEmojiStatus data) {
 		return tr::lng_boost_channel_title_status();
+	}, [&](AskBoostEmojiPack data) {
+		return tr::lng_boost_group_title_emoji();
 	}, [&](AskBoostCustomReactions data) {
 		return tr::lng_boost_channel_title_reactions();
 	});
@ -694,12 +696,21 @@ void AskBoostBox(
 			rpl::single(float64(data.requiredLevel)),
 			Ui::Text::RichLangValue);
 	}, [&](AskBoostWallpaper data) {
-		return tr::lng_boost_channel_needs_level_wallpaper(
-			lt_count,
-			rpl::single(float64(data.requiredLevel)),
-			Ui::Text::RichLangValue);
+		return (data.group
+			? tr::lng_boost_group_needs_level_wallpaper
+			: tr::lng_boost_channel_needs_level_wallpaper)(
+				lt_count,
+				rpl::single(float64(data.requiredLevel)),
+				Ui::Text::RichLangValue);
 	}, [&](AskBoostEmojiStatus data) {
-		return tr::lng_boost_channel_needs_level_status(
+		return (data.group
+			? tr::lng_boost_group_needs_level_status
+			: tr::lng_boost_channel_needs_level_status)(
+				lt_count,
+				rpl::single(float64(data.requiredLevel)),
+				Ui::Text::RichLangValue);
+	}, [&](AskBoostEmojiPack data) {
+		return tr::lng_boost_group_needs_level_emoji(
 			lt_count,
 			rpl::single(float64(data.requiredLevel)),
 			Ui::Text::RichLangValue);
--- a/Telegram/SourceFiles/ui/boxes/boost_box.h
+++ b/Telegram/SourceFiles/ui/boxes/boost_box.h
@ -73,10 +73,16 @@ struct AskBoostChannelColor {

 struct AskBoostWallpaper {
 	int requiredLevel = 0;
+	bool group = false;
 };

 struct AskBoostEmojiStatus {
 	int requiredLevel = 0;
+	bool group = false;
+};
+
+struct AskBoostEmojiPack {
+	int requiredLevel = 0;
 };

 struct AskBoostCustomReactions {
@ -88,6 +94,7 @@ struct AskBoostReason {
 		AskBoostChannelColor,
 		AskBoostWallpaper,
 		AskBoostEmojiStatus,
+		AskBoostEmojiPack,
 		AskBoostCustomReactions> data;
 };