Improve emoji set box design.

Telegram/SourceFiles/api/api_attached_stickers.cpp

@@ -45,19 +45,24 @@ void AttachedStickers::request(
 			return;
 		}
 		// Single attached sticker pack.
-		const auto setData = result.v.front().match([&](const auto &data) {
-			return data.vset().match([&](const MTPDstickerSet &data) {
-				return &data;
-			});
+		const auto data = result.v.front().match([&](const auto &data) {
+			return &data.vset().data();
 		});
 
-		const auto setId = (setData->vid().v && setData->vaccess_hash().v)
+		const auto setId = (data->vid().v && data->vaccess_hash().v)
 			? StickerSetIdentifier{
-				.id = setData->vid().v,
-				.accessHash = setData->vaccess_hash().v }
-			: StickerSetIdentifier{ .shortName = qs(setData->vshort_name()) };
+				.id = data->vid().v,
+				.accessHash = data->vaccess_hash().v }
+			: StickerSetIdentifier{ .shortName = qs(data->vshort_name()) };
 		strongController->show(
-			Box<StickerSetBox>(strongController, setId),
+			Box<StickerSetBox>(
+				strongController,
+				setId,
+				(data->is_emojis()
+					? Data::StickersType::Emoji
+					: data->is_masks()
+					? Data::StickersType::Masks
+					: Data::StickersType::Stickers)),
 			Ui::LayerOption::KeepOther);
 	}).fail([=] {
 		_requestId = 0;

Telegram/SourceFiles/boxes/sticker_set_box.cpp

@@ -12,6 +12,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_file_origin.h"
 #include "data/data_document_media.h"
 #include "data/stickers/data_stickers.h"
+#include "data/stickers/data_custom_emoji.h"
 #include "menu/menu_send.h"
 #include "lang/lang_keys.h"
 #include "ui/boxes/confirm_box.h"
@@ -26,6 +27,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/image/image.h"
 #include "ui/image/image_location_factory.h"
 #include "ui/text/text_utilities.h"
+#include "ui/text/custom_emoji_instance.h"
 #include "ui/effects/path_shift_gradient.h"
 #include "ui/emoji_config.h"
 #include "ui/toast/toast.h"
@@ -115,7 +117,8 @@ public:
 	Inner(
 		QWidget *parent,
 		not_null<Window::SessionController*> controller,
-		const StickerSetIdentifier &set);
+		const StickerSetIdentifier &set,
+		Data::StickersType type);
 
 	[[nodiscard]] bool loaded() const;
 	[[nodiscard]] bool notInstalled() const;
@@ -153,12 +156,15 @@ protected:
 	void leaveEventHook(QEvent *e) override;
 
 private:
+	using CustomInstance = Ui::CustomEmoji::SeparateInstance;
 	struct Element {
 		not_null<DocumentData*> document;
 		std::shared_ptr<Data::DocumentMedia> documentMedia;
 		Lottie::Animation *lottie = nullptr;
 		Media::Clip::ReaderPointer webm;
+		CustomInstance *emoji = nullptr;
 		Ui::Animations::Simple overAnimation;
+
 		mutable QImage premiumLock;
 	};
 
@@ -178,6 +184,10 @@ private:
 		Media::Clip::Notification notification,
 		not_null<DocumentData*> document,
 		int index);
+	void setupEmoji(int index);
+	[[nodiscard]] not_null<CustomInstance*> resolveCustomInstance(
+		not_null<DocumentData*> document);
+	void customEmojiRepaint();
 
 	void updateSelected();
 	void setSelected(int selected);
@@ -196,10 +206,17 @@ private:
 	void updateItems();
 	void repaintItems(crl::time now = 0);
 
-	not_null<Window::SessionController*> _controller;
+	const not_null<Window::SessionController*> _controller;
 	MTP::Sender _api;
 	std::vector<Element> _elements;
 	std::unique_ptr<Lottie::MultiPlayer> _lottiePlayer;
+
+	base::flat_map<
+		not_null<DocumentData*>,
+		std::unique_ptr<CustomInstance>> _instances;
+	std::unique_ptr<Ui::CustomEmoji::SimpleManager> _manager;
+	bool _repaintScheduled = false;
+
 	StickersPack _pack;
 	StickersByEmojiMap _emoji;
 	bool _loaded = false;
@@ -226,6 +243,7 @@ private:
 	base::Timer _updateItemsTimer;
 
 	StickerSetIdentifier _input;
+	QMargins _padding;
 
 	mtpRequestId _installRequest = 0;
 
@@ -246,9 +264,18 @@ private:
 StickerSetBox::StickerSetBox(
 	QWidget*,
 	not_null<Window::SessionController*> controller,
-	const StickerSetIdentifier &set)
+	const StickerSetIdentifier &set,
+	Data::StickersType type)
 : _controller(controller)
-, _set(set) {
+, _set(set)
+, _type(type) {
+}
+
+StickerSetBox::StickerSetBox(
+	QWidget *parent,
+	not_null<Window::SessionController*> controller,
+	not_null<Data::StickersSet*> set)
+: StickerSetBox(parent, controller, set->identifier(), set->type()) {
 }
 
 QPointer<Ui::BoxContent> StickerSetBox::Show(
@@ -257,7 +284,10 @@ QPointer<Ui::BoxContent> StickerSetBox::Show(
 	if (const auto sticker = document->sticker()) {
 		if (sticker->set) {
 			return controller->show(
-				Box<StickerSetBox>(controller, sticker->set),
+				Box<StickerSetBox>(
+					controller,
+					sticker->set,
+					sticker->setType),
 				Ui::LayerOption::KeepOther).data();
 		}
 	}
@@ -268,14 +298,18 @@ void StickerSetBox::prepare() {
 	setTitle(tr::lng_contacts_loading());
 
 	_inner = setInnerWidget(
-		object_ptr<Inner>(this, _controller, _set),
+		object_ptr<Inner>(this, _controller, _set, _type),
 		st::stickersScroll);
 	_controller->session().data().stickers().updated(
 	) | rpl::start_with_next([=] {
 		updateButtons();
 	}, lifetime());
 
-	setDimensions(st::boxWideWidth, st::stickersMaxHeight);
+	setDimensions(
+		st::boxWideWidth,
+		(_type == Data::StickersType::Emoji
+			? st::emojiSetMaxHeight
+			: st::stickersMaxHeight));
 
 	updateTitleAndButtons();
 
@@ -476,10 +510,12 @@ void StickerSetBox::resizeEvent(QResizeEvent *e) {
 StickerSetBox::Inner::Inner(
 	QWidget *parent,
 	not_null<Window::SessionController*> controller,
-	const StickerSetIdentifier &set)
+	const StickerSetIdentifier &set,
+	Data::StickersType type)
 : RpWidget(parent)
 , _controller(controller)
 , _api(&_controller->session().mtp())
+, _manager(std::make_unique<Ui::CustomEmoji::SimpleManager>())
 , _setId(set.id)
 , _setAccessHash(set.accessHash)
 , _setShortName(set.shortName)
@@ -489,6 +525,9 @@ StickerSetBox::Inner::Inner(
 	[=] { repaintItems(); }))
 , _updateItemsTimer([=] { updateItems(); })
 , _input(set)
+, _padding((type == Data::StickersType::Emoji)
+	? st::emojiSetPadding
+	: st::stickersPadding)
 , _previewTimer([=] { showPreview(); }) {
 	setAttribute(Qt::WA_OpaquePaintEvent);
 
@@ -613,16 +652,11 @@ void StickerSetBox::Inner::gotSet(const MTPmessages_StickerSet &set) {
 	}
 	_perRow = isEmojiSet() ? kEmojiPerRow : kStickersPerRow;
 	_rowsCount = (_pack.size() + _perRow - 1) / _perRow;
-	const auto fullWidth = st::boxWideWidth;
-	const auto rowsLeft = st::stickersPadding.left();
-	const auto rowsRight = rowsLeft;
-	const auto singleWidth = (fullWidth - rowsLeft - rowsRight)
-		/ _perRow;
-	_singleSize = isEmojiSet()
-		? QSize(singleWidth, singleWidth)
-		: st::stickersSize;
+	_singleSize = isEmojiSet() ? st::emojiSetSize : st::stickersSize;
 
-	resize(st::stickersPadding.left() + _perRow * _singleSize.width(), st::stickersPadding.top() + _rowsCount * _singleSize.height() + st::stickersPadding.bottom());
+	resize(
+		_padding.left() + _perRow * _singleSize.width(),
+		_padding.top() + _rowsCount * _singleSize.height() + _padding.bottom());
 
 	_loaded = true;
 	updateSelected();
@@ -862,8 +896,8 @@ void StickerSetBox::Inner::startOverAnimation(int index, float64 from, float64 t
 	_elements[index].overAnimation.start([=] {
 		const auto row = index / _perRow;
 		const auto column = index % _perRow;
-		const auto left = st::stickersPadding.left() + column * _singleSize.width();
-		const auto top = st::stickersPadding.top() + row * _singleSize.height();
+		const auto left = _padding.left() + column * _singleSize.width();
+		const auto top = _padding.top() + row * _singleSize.height();
 		rtlupdate(left, top, _singleSize.width(), _singleSize.height());
 	}, from, to, st::emojiPanDuration);
 }
@@ -903,8 +937,8 @@ not_null<Lottie::MultiPlayer*> StickerSetBox::Inner::getLottiePlayer() {
 int32 StickerSetBox::Inner::stickerFromGlobalPos(const QPoint &p) const {
 	QPoint l(mapFromGlobal(p));
 	if (rtl()) l.setX(width() - l.x());
-	int32 row = (l.y() >= st::stickersPadding.top()) ? qFloor((l.y() - st::stickersPadding.top()) / _singleSize.height()) : -1;
-	int32 col = (l.x() >= st::stickersPadding.left()) ? qFloor((l.x() - st::stickersPadding.left()) / _singleSize.width()) : -1;
+	int32 row = (l.y() >= _padding.top()) ? qFloor((l.y() - _padding.top()) / _singleSize.height()) : -1;
+	int32 col = (l.x() >= _padding.left()) ? qFloor((l.x() - _padding.left()) / _singleSize.width()) : -1;
 	if (row >= 0 && col >= 0 && col < _perRow) {
 		int32 result = row * _perRow + col;
 		return (result < _pack.size()) ? result : -1;
@@ -915,6 +949,8 @@ int32 StickerSetBox::Inner::stickerFromGlobalPos(const QPoint &p) const {
 void StickerSetBox::Inner::paintEvent(QPaintEvent *e) {
 	Painter p(this);
 
+	_repaintScheduled = false;
+
 	p.fillRect(e->rect(), st::boxBg);
 	if (_elements.empty()) {
 		return;
@@ -933,7 +969,9 @@ void StickerSetBox::Inner::paintEvent(QPaintEvent *e) {
 			if (index >= _elements.size()) {
 				break;
 			}
-			const auto pos = QPoint(st::stickersPadding.left() + j * _singleSize.width(), st::stickersPadding.top() + i * _singleSize.height());
+			const auto pos = QPoint(
+				_padding.left() + j * _singleSize.width(),
+				_padding.top() + i * _singleSize.height());
 			paintSticker(p, index, pos, paused, now);
 		}
 	}
@@ -984,7 +1022,7 @@ void StickerSetBox::Inner::visibleTopBottomUpdated(
 			}
 		}
 	};
-	const auto rowsTop = st::stickersPadding.top();
+	const auto rowsTop = _padding.top();
 	const auto singleHeight = _singleSize.height();
 	const auto rowsBottom = rowsTop + _rowsCount * singleHeight;
 	if (visibleTop >= rowsTop + singleHeight && visibleTop < rowsBottom) {
@@ -1058,6 +1096,37 @@ void StickerSetBox::Inner::clipCallback(
 	updateItems();
 }
 
+void StickerSetBox::Inner::setupEmoji(int index) {
+	auto &element = _elements[index];
+	element.emoji = resolveCustomInstance(element.document);
+}
+
+auto StickerSetBox::Inner::resolveCustomInstance(
+	not_null<DocumentData*> document)
+-> not_null<CustomInstance*> {
+	const auto i = _instances.find(document);
+	if (i != end(_instances)) {
+		return i->second.get();
+	}
+	auto instance = _manager->make(
+		_controller->session().data().customEmojiManager().createLoader(
+			document,
+			Data::CustomEmojiManager::SizeTag::Large),
+		[=] { customEmojiRepaint(); });
+	return _instances.emplace(
+		document,
+		std::move(instance)
+	).first->second.get();
+}
+
+void StickerSetBox::Inner::customEmojiRepaint() {
+	if (_repaintScheduled) {
+		return;
+	}
+	_repaintScheduled = true;
+	update();
+}
+
 void StickerSetBox::Inner::paintSticker(
 		Painter &p,
 		int index,
@@ -1080,7 +1149,9 @@ void StickerSetBox::Inner::paintSticker(
 		&& !_controller->session().premium();
 	media->checkStickerSmall();
 
-	if (media->loaded()) {
+	if (sticker->setType == Data::StickersType::Emoji) {
+		const_cast<Inner*>(this)->setupEmoji(index);
+	} else if (media->loaded()) {
 		if (sticker->isLottie() && !element.lottie) {
 			const_cast<Inner*>(this)->setupLottie(index);
 		} else if (sticker->isWebm() && !element.webm) {
@@ -1095,7 +1166,15 @@ void StickerSetBox::Inner::paintSticker(
 		(_singleSize.width() - size.width()) / 2,
 		(_singleSize.height() - size.height()) / 2);
 	auto lottieFrame = QImage();
-	if (element.lottie && element.lottie->ready()) {
+	if (element.emoji) {
+		element.emoji->object.paint(
+			p,
+			ppos.x(),
+			ppos.y(),
+			now,
+			st::windowBgOver->c,
+			paused);
+	} else if (element.lottie && element.lottie->ready()) {
 		lottieFrame = element.lottie->frame();
 		p.drawImage(
 			QRect(ppos, lottieFrame.size() / cIntRetinaFactor()),

Telegram/SourceFiles/boxes/sticker_set_box.h

@@ -19,12 +19,21 @@ namespace Ui {
 class PlainShadow;
 } // namespace Ui
 
+namespace Data {
+class StickersSet;
+} // namespace Data
+
 class StickerSetBox final : public Ui::BoxContent {
 public:
 	StickerSetBox(
 		QWidget*,
 		not_null<Window::SessionController*> controller,
-		const StickerSetIdentifier &set);
+		const StickerSetIdentifier &set,
+		Data::StickersType type);
+	StickerSetBox(
+		QWidget*,
+		not_null<Window::SessionController*> controller,
+		not_null<Data::StickersSet*> set);
 
 	static QPointer<Ui::BoxContent> Show(
 		not_null<Window::SessionController*> controller,
@@ -48,6 +57,7 @@ private:
 
 	const not_null<Window::SessionController*> _controller;
 	const StickerSetIdentifier _set;
+	const Data::StickersType _type;
 
 	class Inner;
 	QPointer<Inner> _inner;

Telegram/SourceFiles/boxes/stickers_box.cpp

@@ -1806,7 +1806,7 @@ void StickersBox::Inner::mouseReleaseEvent(QMouseEvent *e) {
 		const auto showSetByRow = [&](const Row &row) {
 			setSelected(SelectedRow());
 			_controller->show(
-				Box<StickerSetBox>(_controller, row.set->identifier()),
+				Box<StickerSetBox>(_controller, row.set),
 				Ui::LayerOption::KeepOther);
 		};
 		if (selectedIndex >= 0 && !_inDragArea) {

Telegram/SourceFiles/chat_helpers/chat_helpers.style

@@ -79,6 +79,9 @@ stickersFeaturedInstalled: icon {{ "chat/input_save", lightButtonFg }};
 stickersMaxHeight: 320px;
 stickersPadding: margins(19px, 13px, 19px, 13px);
 stickersSize: size(64px, 64px);
+emojiSetPadding: margins(12px, 0px, 12px, 0px);
+emojiSetMaxHeight: 197px;
+emojiSetSize: size(42px, 39px);
 stickersScroll: ScrollArea(boxScroll) {
 	deltat: 19px;
 	deltab: 9px;
@@ -225,6 +228,9 @@ stickerIconMove: 400;
 stickerPreviewDuration: 150;
 stickerPreviewMin: 0.1;
 
+emojiIconWidth: 35px;
+emojiIconArea: 32px;
+
 stickerGroupCategorySize: 28px;
 stickerGroupCategoryAbout: defaultTextStyle;
 stickerGroupCategoryAddMargin: margins(0px, 10px, 0px, 5px);

Telegram/SourceFiles/chat_helpers/emoji_list_widget.cpp

@@ -96,17 +96,9 @@ private:
 
 };
 
-struct EmojiListWidget::CustomInstance {
-	CustomInstance(
-		std::unique_ptr<Ui::CustomEmoji::Loader> loader,
-		Fn<void(
-			not_null<Ui::CustomEmoji::Instance*>,
-			Ui::CustomEmoji::RepaintRequest)> repaintLater,
-		Fn<void()> repaint,
-		bool recentOnly = false);
+struct EmojiListWidget::CustomInstance : Ui::CustomEmoji::SeparateInstance {
+	using SeparateInstance::SeparateInstance;
 
-	Ui::CustomEmoji::Instance emoji;
-	Ui::CustomEmoji::Object object;
 	bool recentOnly = false;
 };
 
@@ -115,20 +107,6 @@ struct EmojiListWidget::RecentOne {
 	RecentEmojiId id;
 };
 
-EmojiListWidget::CustomInstance::CustomInstance(
-	std::unique_ptr<Ui::CustomEmoji::Loader> loader,
-	Fn<void(
-		not_null<Ui::CustomEmoji::Instance*>,
-		Ui::CustomEmoji::RepaintRequest)> repaintLater,
-	Fn<void()> repaint,
-	bool recentOnly)
-: emoji(
-	Ui::CustomEmoji::Loading(std::move(loader), Ui::CustomEmoji::Preview()),
-	std::move(repaintLater))
-, object(&emoji, std::move(repaint))
-, recentOnly(recentOnly) {
-}
-
 EmojiColorPicker::EmojiColorPicker(QWidget *parent)
 : RpWidget(parent) {
 	setMouseTracking(true);
@@ -540,23 +518,42 @@ void EmojiListWidget::unloadNotSeenCustom(
 		int visibleTop,
 		int visibleBottom) {
 	enumerateSections([&](const SectionInfo &info) {
-		if (info.section < kEmojiSectionCount
-			|| (info.rowsBottom > visibleTop
-				&& info.rowsTop < visibleBottom)) {
-			return true;
-		}
-		auto &custom = _custom[info.section - kEmojiSectionCount];
-		if (!custom.painted) {
-			return true;
-		}
-		custom.painted = false;
-		for (const auto &single : custom.list) {
-			single.instance->object.unload();
+		if (info.rowsBottom <= visibleTop || info.rowsTop >= visibleBottom) {
+			unloadCustomIn(info);
 		}
 		return true;
 	});
 }
 
+void EmojiListWidget::unloadAllCustom() {
+	enumerateSections([&](const SectionInfo &info) {
+		unloadCustomIn(info);
+		return true;
+	});
+}
+
+void EmojiListWidget::unloadCustomIn(const SectionInfo &info) {
+	if (!info.section && _recentPainted) {
+		_recentPainted = false;
+		for (const auto &single : _recent) {
+			if (const auto instance = single.instance) {
+				instance->object.unload();
+			}
+		}
+		return;
+	} else if (info.section < kEmojiSectionCount) {
+		return;
+	}
+	auto &custom = _custom[info.section - kEmojiSectionCount];
+	if (!custom.painted) {
+		return;
+	}
+	custom.painted = false;
+	for (const auto &single : custom.list) {
+		single.instance->object.unload();
+	}
+}
+
 object_ptr<TabbedSelector::InnerFooter> EmojiListWidget::createFooter() {
 	Expects(_footer == nullptr);
 
@@ -1020,7 +1017,7 @@ void EmojiListWidget::displaySet(uint64 setId) {
 	auto it = sets.find(setId);
 	if (it != sets.cend()) {
 		checkHideWithBox(controller()->show(
-			Box<StickerSetBox>(controller(), it->second->identifier()),
+			Box<StickerSetBox>(controller(), it->second.get()),
 			Ui::LayerOption::KeepOther).data());
 	}
 }
@@ -1206,9 +1203,14 @@ void EmojiListWidget::processHideFinished() {
 		_picker->hideFast();
 		_pickerSelected = v::null;
 	}
+	unloadAllCustom();
 	clearSelection();
 }
 
+void EmojiListWidget::processPanelHideFinished() {
+	unloadAllCustom();
+}
+
 void EmojiListWidget::refreshRecent() {
 	clearSelection();
 	fillRecent();
@@ -1302,11 +1304,12 @@ auto EmojiListWidget::customInstanceWithLoader(
 			});
 		}
 	};
-	return std::make_unique<CustomInstance>(
+	auto result = std::make_unique<CustomInstance>(
 		std::move(loader),
 		std::move(repaintDelayed),
-		std::move(repaintNow),
-		recentOnly);
+		std::move(repaintNow));
+	result->recentOnly = recentOnly;
+	return result;
 }
 
 auto EmojiListWidget::resolveCustomInstance(

Telegram/SourceFiles/chat_helpers/emoji_list_widget.h

@@ -96,6 +96,7 @@ protected:
 
 	TabbedSelector::InnerFooter *getFooter() const override;
 	void processHideFinished() override;
+	void processPanelHideFinished() override;
 	int countDesiredHeight(int newWidth) override;
 
 private:
@@ -179,6 +180,8 @@ private:
 	bool checkPickerHide();
 	void refreshCustom();
 	void unloadNotSeenCustom(int visibleTop, int visibleBottom);
+	void unloadAllCustom();
+	void unloadCustomIn(const SectionInfo &info);
 
 	void ensureLoaded(int section);
 	void updateSelected();

Telegram/SourceFiles/chat_helpers/emoji_suggestions_widget.cpp

@@ -41,36 +41,12 @@ constexpr auto kAnimationDuration = crl::time(120);
 
 } // namespace
 
-struct SuggestionsWidget::CustomInstance {
-	CustomInstance(
-		std::unique_ptr<Ui::CustomEmoji::Loader> loader,
-		Fn<void(
-			not_null<Ui::CustomEmoji::Instance*>,
-			Ui::CustomEmoji::RepaintRequest)> repaintLater,
-		Fn<void()> repaint);
-
-	Ui::CustomEmoji::Instance emoji;
-	Ui::CustomEmoji::Object object;
-};
-
-SuggestionsWidget::CustomInstance::CustomInstance(
-	std::unique_ptr<Ui::CustomEmoji::Loader> loader,
-	Fn<void(
-		not_null<Ui::CustomEmoji::Instance*>,
-		Ui::CustomEmoji::RepaintRequest)> repaintLater,
-	Fn<void()> repaint)
-: emoji(
-	Ui::CustomEmoji::Loading(std::move(loader), Ui::CustomEmoji::Preview()),
-	std::move(repaintLater))
-, object(&emoji, std::move(repaint)) {
-}
-
 SuggestionsWidget::SuggestionsWidget(
 	QWidget *parent,
 	not_null<Main::Session*> session)
 : RpWidget(parent)
 , _session(session)
-, _repaintTimer([=] { invokeRepaints(); })
+, _manager(std::make_unique<Ui::CustomEmoji::SimpleManager>())
 , _oneWidth(st::emojiSuggestionSize)
 , _padding(st::emojiSuggestionsPadding) {
 	resize(
@@ -180,77 +156,23 @@ auto SuggestionsWidget::resolveCustomInstance(
 	if (i != end(_instances)) {
 		return i->second.get();
 	}
-	const auto repaintDelayed = [=](
-			not_null<Ui::CustomEmoji::Instance*> instance,
-			Ui::CustomEmoji::RepaintRequest request) {
-		if (_instances.empty() || !request.when) {
-			return;
-		}
-		auto &when = _repaints[request.duration];
-		if (when < request.when) {
-			when = request.when;
-		}
-		if (_repaintTimerScheduled) {
-			return;
-		}
-		scheduleRepaintTimer();
-	};
-	const auto repaintNow = [=] {
-		update();
-	};
-	auto instance = std::make_unique<CustomInstance>(
+	auto instance = _manager->make(
 		_session->data().customEmojiManager().createLoader(
 			document,
 			Data::CustomEmojiManager::SizeTag::Large),
-		std::move(repaintDelayed),
-		std::move(repaintNow));
+		[=] { customEmojiRepaint(); });
 	return _instances.emplace(
 		document,
 		std::move(instance)
 	).first->second.get();
 }
 
-void SuggestionsWidget::scheduleRepaintTimer() {
-	_repaintTimerScheduled = true;
-	Ui::PostponeCall(this, [=] {
-		_repaintTimerScheduled = false;
-
-		auto next = crl::time();
-		for (const auto &[duration, when] : _repaints) {
-			if (!next || next > when) {
-				next = when;
-			}
-		}
-		if (next && (!_repaintNext || _repaintNext > next)) {
-			const auto now = crl::now();
-			if (now >= next) {
-				_repaintNext = 0;
-				_repaintTimer.cancel();
-				invokeRepaints();
-			} else {
-				_repaintNext = next;
-				_repaintTimer.callOnce(next - now);
-			}
-		}
-	});
-}
-
-void SuggestionsWidget::invokeRepaints() {
-	_repaintNext = 0;
-	auto invoke = false;
-	const auto now = crl::now();
-	for (auto i = begin(_repaints); i != end(_repaints);) {
-		if (i->second > now) {
-			++i;
-			continue;
-		}
-		invoke = true;
-		i = _repaints.erase(i);
+void SuggestionsWidget::customEmojiRepaint() {
+	if (_repaintScheduled) {
+		return;
 	}
-	if (invoke) {
-		update();
-	}
-	scheduleRepaintTimer();
+	_repaintScheduled = true;
+	update();
 }
 
 SuggestionsWidget::Row::Row(
@@ -378,6 +300,8 @@ void SuggestionsWidget::scrollByWheelEvent(not_null<QWheelEvent*> e) {
 void SuggestionsWidget::paintEvent(QPaintEvent *e) {
 	Painter p(this);
 
+	_repaintScheduled = false;
+
 	const auto clip = e->rect();
 	p.fillRect(clip, st::boxBg);
 

Telegram/SourceFiles/chat_helpers/emoji_suggestions_widget.h

@@ -19,11 +19,16 @@ class Session;
 } // namespace Main
 
 namespace Ui {
-
 class InnerDropdown;
 class InputField;
+} // namespace Ui
 
-namespace Emoji {
+namespace Ui::CustomEmoji {
+struct SeparateInstance;
+class SimpleManager;
+} // namespace Ui::CustomEmoji
+
+namespace Ui::Emoji {
 
 class SuggestionsWidget final : public Ui::RpWidget {
 public:
@@ -43,7 +48,7 @@ public:
 	[[nodiscard]] rpl::producer<Chosen> triggered() const;
 
 private:
-	struct CustomInstance;
+	using CustomInstance = Ui::CustomEmoji::SeparateInstance;
 	struct Row {
 		Row(not_null<EmojiPtr> emoji, const QString &replacement);
 
@@ -89,19 +94,17 @@ private:
 
 	[[nodiscard]] not_null<CustomInstance*> resolveCustomInstance(
 		not_null<DocumentData*> document);
-	void scheduleRepaintTimer();
-	void invokeRepaints();
+	void customEmojiRepaint();
 
 	const not_null<Main::Session*> _session;
 	QString _query;
 	std::vector<Row> _rows;
+
 	base::flat_map<
 		not_null<DocumentData*>,
 		std::unique_ptr<CustomInstance>> _instances;
-	base::flat_map<crl::time, crl::time> _repaints;
-	bool _repaintTimerScheduled = false;
-	base::Timer _repaintTimer;
-	crl::time _repaintNext = 0;
+	std::unique_ptr<Ui::CustomEmoji::SimpleManager> _manager;
+	bool _repaintScheduled = false;
 
 	std::optional<QPoint> _lastMousePosition;
 	bool _mouseSelection = false;
@@ -190,5 +193,4 @@ private:
 
 };
 
-} // namespace Emoji
-} // namespace Ui
+} // namespace Ui::Emoji

Telegram/SourceFiles/chat_helpers/stickers_list_footer.cpp

@@ -139,8 +139,8 @@ bool StickersListFooter::ScrollState::animationCallback(crl::time now) {
 		return false;
 	}
 	x.update(dt, anim::linear);
-	selectionX.update(dt, anim::linear);
-	selectionWidth.update(dt, anim::linear);
+	selectionX.update(dt, anim::easeOutCubic);
+	selectionWidth.update(dt, anim::easeOutCubic);
 	return true;
 }
 
@@ -151,7 +151,8 @@ StickersListFooter::StickersListFooter(Descriptor &&descriptor)
 , _settingsButtonVisible(descriptor.settingsButtonVisible)
 , _iconState([=] { update(); })
 , _subiconState([=] { update(); })
-, _selectionBg(st::roundRadiusSmall, st::windowBgRipple)
+, _selectionBg(st::roundRadiusLarge, st::windowBgRipple)
+, _subselectionBg(st::emojiIconArea / 2, st::windowBgRipple)
 , _barSelection(descriptor.barSelection) {
 	setMouseTracking(true);
 
@@ -299,14 +300,13 @@ void StickersListFooter::enumerateIcons(
 	const auto shift = _iconsLeft - iconsX;
 	const auto emojiId = AllEmojiSectionSetId();
 	const auto right = width();
-	const auto single = st::stickerIconWidth;
 	for (auto i = 0, count = int(_icons.size()); i != count; ++i) {
 		auto &icon = _icons[i];
 		const auto width = (icon.setId == emojiId)
 			? _subiconsWidthAnimation.value(_subiconsExpanded
 				? _subiconsWidth
-				: single)
-			: single;
+				: _singleWidth)
+			: _singleWidth;
 		const auto shifted = shift + left;
 		const auto visible = (shifted + width > 0 && shifted < right);
 		const auto result = callback({
@@ -331,20 +331,19 @@ void StickersListFooter::enumerateSubicons(
 	const auto right = _subiconsWidth;
 	using Section = Ui::Emoji::Section;
 	for (auto i = int(Section::People); i <= int(Section::Symbols); ++i) {
-		const auto width = st::stickerIconWidth;
 		const auto shifted = shift + left;
-		const auto visible = (shifted + width > 0 && shifted < right);
+		const auto visible = (shifted + _singleWidth > 0 && shifted < right);
 		const auto result = callback({
 			.index = i - int(Section::People),
 			.left = left,
 			.adjustedLeft = shifted,
-			.width = int(base::SafeRound(width)),
+			.width = _singleWidth,
 			.visible = visible,
 		});
 		if (!result) {
 			break;
 		}
-		left += width;
+		left += _singleWidth;
 	}
 }
 
@@ -432,8 +431,8 @@ void StickersListFooter::updateEmojiSectionWidth() {
 	_subiconsExpanded = expanded;
 	_subiconsWidthAnimation.start(
 		[=] { updateEmojiWidthCallback(); },
-		expanded ? st::stickerIconWidth : _subiconsWidth,
-		expanded ? _subiconsWidth : st::stickerIconWidth,
+		expanded ? _singleWidth : _subiconsWidth,
+		expanded ? _subiconsWidth : _singleWidth,
 		st::slideDuration);
 }
 
@@ -580,12 +579,27 @@ void StickersListFooter::paintSelectionBg(Painter &p) const {
 		selx = width() - selx - selw;
 	}
 	const auto skip = st::emojiIconSelectSkip;
-	const auto sely = _iconsTop
-		+ (st::emojiFooterHeight - st::stickerIconWidth) / 2;
-	const auto selh = st::stickerIconWidth;
-	const auto rect = QRect(selx, sely, selw, selh);
-	const auto fill = rect.marginsRemoved({ skip, skip, skip, skip });
-	_selectionBg.paint(p, fill);
+	const auto sely = _iconsTop;
+	const auto area = st::emojiIconArea;
+	const auto rect = QRect(
+		QPoint(selx, sely) + _areaPosition,
+		QSize(selw - 2 * _areaPosition.x(), area));
+	if (rect.width() == rect.height() || _subiconsWidth <= _singleWidth) {
+		_selectionBg.paint(p, rect);
+	} else if (selw == _subiconsWidth) {
+		_subselectionBg.paint(p, rect);
+	} else {
+		PainterHighQualityEnabler hq(p);
+		const auto progress = (selw - _singleWidth)
+			/ float64(_subiconsWidth - _singleWidth);
+		const auto radius = anim::interpolate(
+			st::roundRadiusLarge,
+			area / 2,
+			progress);
+		p.setPen(Qt::NoPen);
+		p.setBrush(st::windowBgRipple);
+		p.drawRoundedRect(rect, radius, radius);
+	}
 }
 
 void StickersListFooter::paintSelectionBar(Painter &p) const {
@@ -864,17 +878,17 @@ void StickersListFooter::updateSelected() {
 	auto x = p.x(), y = p.y();
 	if (rtl()) x = width() - x;
 	const auto settingsLeft = width() - _iconsRight;
-	const auto searchLeft = _iconsLeft - st::stickerIconWidth;
+	const auto searchLeft = _iconsLeft - _singleWidth;
 	auto newOver = OverState(SpecialOver::None);
 	if (_searchButtonVisible
 		&& x >= searchLeft
-		&& x < searchLeft + st::stickerIconWidth
+		&& x < searchLeft + _singleWidth
 		&& y >= _iconsTop
 		&& y < _iconsTop + st::emojiFooterHeight) {
 		newOver = SpecialOver::Search;
 	} else if (_settingsButtonVisible
 		&& x >= settingsLeft
-		&& x < settingsLeft + st::stickerIconWidth
+		&& x < settingsLeft + _singleWidth
 		&& y >= _iconsTop
 		&& y < _iconsTop + st::emojiFooterHeight) {
 		if (!_icons.empty() && !hasOnlyFeaturedSets()) {
@@ -975,6 +989,17 @@ void StickersListFooter::refreshIconsGeometry(
 	_iconState.selectionWidth.finish();
 	_iconState.animationStart = 0;
 	_iconState.animation.stop();
+	if (_barSelection) {
+		_singleWidth = st::stickerIconWidth;
+	} else if (_icons.size() > 1
+		&& _icons[1].setId == EmojiSectionSetId(EmojiSection::People)) {
+		_singleWidth = (width() - _iconsLeft - _iconsRight) / _icons.size();
+	} else {
+		_singleWidth = st::emojiIconWidth;
+	}
+	_areaPosition = QPoint(
+		(_singleWidth - st::emojiIconArea) / 2,
+		(st::emojiFooterHeight - st::emojiIconArea) / 2);
 	refreshScrollableDimensions();
 	updateSelected();
 	validateSelectedIcon(_activeByScrollId, animations);
@@ -988,18 +1013,18 @@ void StickersListFooter::refreshSubiconsGeometry() {
 	_subiconState.selectionWidth.finish();
 	_subiconState.animationStart = 0;
 	_subiconState.animation.stop();
-	const auto single = st::stickerIconWidth;
-	const auto half = single / 2;
+	const auto half = _singleWidth / 2;
 	const auto count = int(Section::Symbols) - int(Section::Recent);
-	const auto widthMax = count * single;
-	const auto widthMin = 4 * single + half;
-	const auto collapsedWidth = int(_icons.size()) * single;
+	const auto widthMax = count * _singleWidth;
+	const auto widthMin = 4 * _singleWidth + half;
+	const auto collapsedWidth = int(_icons.size()) * _singleWidth;
 	_subiconsWidth = std::clamp(
-		width() + single - collapsedWidth,
+		width() + _singleWidth - collapsedWidth,
 		widthMin,
 		widthMax);
 	if (_subiconsWidth < widthMax) {
-		_subiconsWidth = ((_subiconsWidth - half) / single) * single + half;
+		_subiconsWidth = half
+		+ (((_subiconsWidth - half) / _singleWidth) * _singleWidth);
 	}
 	_subiconState.max = std::max(
 		widthMax - _subiconsWidth,
@@ -1020,16 +1045,16 @@ void StickersListFooter::paintStickerSettingsIcon(Painter &p) const {
 	st::stickersSettings.paint(
 		p,
 		settingsLeft
-			+ (st::stickerIconWidth - st::stickersSettings.width()) / 2,
+			+ (_singleWidth - st::stickersSettings.width()) / 2,
 		_iconsTop + st::emojiCategory.iconPosition.y(),
 		width());
 }
 
 void StickersListFooter::paintSearchIcon(Painter &p) const {
-	const auto searchLeft = _iconsLeft - st::stickerIconWidth;
+	const auto searchLeft = _iconsLeft - _singleWidth;
 	st::stickersSearch.paint(
 		p,
-		searchLeft + (st::stickerIconWidth - st::stickersSearch.width()) / 2,
+		searchLeft + (_singleWidth - st::stickersSearch.width()) / 2,
 		_iconsTop + st::emojiCategory.iconPosition.y(),
 		width());
 }
@@ -1100,7 +1125,7 @@ void StickersListFooter::updateSetIcon(uint64 setId) {
 }
 
 void StickersListFooter::updateSetIconAt(int left) {
-	update(left, _iconsTop, st::stickerIconWidth, st::emojiFooterHeight);
+	update(left, _iconsTop, _singleWidth, st::emojiFooterHeight);
 }
 
 void StickersListFooter::paintSetIcon(
@@ -1118,8 +1143,7 @@ void StickersListFooter::paintSetIcon(
 			: icon.stickerMedia
 			? icon.stickerMedia->thumbnail()
 			: nullptr;
-		const auto x = info.adjustedLeft
-			+ (st::stickerIconWidth - icon.pixw) / 2;
+		const auto x = info.adjustedLeft + (_singleWidth - icon.pixw) / 2;
 		const auto y = _iconsTop + (st::emojiFooterHeight - icon.pixh) / 2;
 		if (icon.lottie && icon.lottie->ready()) {
 			const auto frame = icon.lottie->frame();
@@ -1130,8 +1154,7 @@ void StickersListFooter::paintSetIcon(
 			}
 			p.drawImage(
 				QRect(
-					(info.adjustedLeft
-						+ (st::stickerIconWidth - size.width()) / 2),
+					(info.adjustedLeft + (_singleWidth - size.width()) / 2),
 					_iconsTop + (st::emojiFooterHeight - size.height()) / 2,
 					size.width(),
 					size.height()),
@@ -1166,7 +1189,7 @@ void StickersListFooter::paintSetIcon(
 		icon.megagroup->paintUserpicLeft(
 			p,
 			icon.megagroupUserpic,
-			info.adjustedLeft + (st::stickerIconWidth - size) / 2,
+			info.adjustedLeft + (_singleWidth - size) / 2,
 			_iconsTop + (st::emojiFooterHeight - size) / 2,
 			width(),
 			st::stickerGroupCategorySize);
@@ -1174,7 +1197,7 @@ void StickersListFooter::paintSetIcon(
 		validatePremiumIcon();
 		const auto size = st::stickersPremium.size();
 		p.drawImage(
-			info.adjustedLeft + (st::stickerIconWidth - size.width()) / 2,
+			info.adjustedLeft + (_singleWidth - size.width()) / 2,
 			_iconsTop + (st::emojiFooterHeight - size.height()) / 2,
 			_premiumIcon);
 	} else {
@@ -1207,12 +1230,12 @@ void StickersListFooter::paintSetIcon(
 		const auto paintOne = [&](int left, const style::icon *icon) {
 			icon->paint(
 				p,
-				left + (st::stickerIconWidth - icon->width()) / 2,
+				left + (_singleWidth - icon->width()) / 2,
 				_iconsTop + (st::emojiFooterHeight - icon->height()) / 2,
 				width());
 		};
 		if (_icons[info.index].setId == AllEmojiSectionSetId()
-			&& info.width > st::stickerIconWidth) {
+			&& info.width > _singleWidth) {
 			const auto skip = st::emojiIconSelectSkip;
 			p.save();
 			p.setClipRect(

Telegram/SourceFiles/chat_helpers/stickers_list_footer.h

@@ -226,11 +226,13 @@ private:
 	int _iconsLeft = 0;
 	int _iconsRight = 0;
 	int _iconsTop = 0;
+	int _singleWidth = 0;
+	QPoint _areaPosition;
 
 	ScrollState _iconState;
 	ScrollState _subiconState;
 
-	Ui::RoundRect _selectionBg;
+	Ui::RoundRect _selectionBg, _subselectionBg;
 	Ui::Animations::Simple _subiconsWidthAnimation;
 	int _subiconsWidth = 0;
 	bool _subiconsExpanded = false;

Telegram/SourceFiles/chat_helpers/stickers_list_widget.cpp

@@ -2611,7 +2611,7 @@ void StickersListWidget::displaySet(uint64 setId) {
 	auto it = sets.find(setId);
 	if (it != sets.cend()) {
 		checkHideWithBox(controller()->show(
-			Box<StickerSetBox>(controller(), it->second->identifier()),
+			Box<StickerSetBox>(controller(), it->second.get()),
 			Ui::LayerOption::KeepOther).data());
 	}
 }

Telegram/SourceFiles/core/local_url_handlers.cpp

@@ -82,7 +82,10 @@ bool ShowStickerSet(
 	Core::App().hideMediaView();
 	controller->show(Box<StickerSetBox>(
 		controller,
-		StickerSetIdentifier{ .shortName = match->captured(2) }));
+		StickerSetIdentifier{ .shortName = match->captured(2) },
+		(match->captured(1) == "addemoji"
+			? Data::StickersType::Emoji
+			: Data::StickersType::Stickers)));
 	controller->window().activate();
 	return true;
 }

Telegram/SourceFiles/data/stickers/data_stickers_set.cpp

@@ -11,6 +11,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_session.h"
 #include "data/data_file_origin.h"
 #include "data/data_document.h"
+#include "data/stickers/data_stickers.h"
 #include "storage/file_download.h"
 #include "ui/image/image.h"
 
@@ -97,6 +98,14 @@ StickerSetIdentifier StickersSet::identifier() const {
 	};
 }
 
+StickersType StickersSet::type() const {
+	return (flags & StickersSetFlag::Emoji)
+		? StickersType::Emoji
+		: (flags & StickersSetFlag::Masks)
+		? StickersType::Masks
+		: StickersType::Stickers;
+}
+
 void StickersSet::setThumbnail(const ImageWithLocation &data) {
 	Data::UpdateCloudFile(
 		_thumbnail,

Telegram/SourceFiles/data/stickers/data_stickers_set.h

@@ -24,6 +24,8 @@ using SavedGifs = QVector<DocumentData*>;
 using StickersPack = QVector<DocumentData*>;
 using StickersByEmojiMap = QMap<EmojiPtr, StickersPack>;
 
+enum class StickersType : uchar;
+
 class StickersSet;
 using StickersSets = base::flat_map<uint64, std::unique_ptr<StickersSet>>;
 
@@ -81,6 +83,7 @@ public:
 
 	[[nodiscard]] MTPInputStickerSet mtpInput() const;
 	[[nodiscard]] StickerSetIdentifier identifier() const;
+	[[nodiscard]] StickersType type() const;
 
 	void setThumbnail(const ImageWithLocation &data);
 

Telegram/SourceFiles/history/admin_log/history_admin_log_item.cpp

@@ -1043,7 +1043,8 @@ void GenerateItems(
 					controller->show(
 						Box<StickerSetBox>(
 							controller,
-							Data::FromInputSet(set)),
+							Data::FromInputSet(set),
+							Data::StickersType::Stickers),
 						Ui::LayerOption::CloseOther);
 				}
 			});

Telegram/SourceFiles/history/view/history_view_context_menu.cpp

@@ -1324,7 +1324,10 @@ void AddEmojiPacksAction(
 		}
 		// Single used emoji pack.
 		strong->show(
-			Box<StickerSetBox>(strong, packIds.front()),
+			Box<StickerSetBox>(
+				strong,
+				packIds.front(),
+				Data::StickersType::Emoji),
 			Ui::LayerOption::KeepOther);
 
 	});

Telegram/SourceFiles/history/view/history_view_sticker_toast.cpp

@@ -195,7 +195,7 @@ void StickerToast::showWithTitle(const QString &title) {
 	}
 	button->setClickedCallback([=] {
 		_controller->show(
-			Box<StickerSetBox>(_controller, _for->sticker()->set),
+			Box<StickerSetBox>(_controller, _for->sticker()->set, setType),
 			Ui::LayerOption::KeepOther);
 		hideToast();
 	});

Telegram/SourceFiles/ui/text/custom_emoji_instance.cpp

@@ -8,6 +8,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/text/custom_emoji_instance.h"
 
 #include "ui/effects/frame_generator.h"
+#include "ui/ui_utility.h"
 
 #include <crl/crl_async.h>
 #include <lz4.h>
@@ -647,4 +648,84 @@ void Object::repaint() {
 	_repaint();
 }
 
+SeparateInstance::SeparateInstance(
+	std::unique_ptr<Loader> loader,
+	Fn<void(not_null<Instance*>, RepaintRequest)> repaintLater,
+	Fn<void()> repaint)
+: emoji(Loading(std::move(loader), Preview()), std::move(repaintLater))
+, object(&emoji, std::move(repaint)) {
+}
+
+SimpleManager::SimpleManager()
+: _repaintTimer([=] { invokeRepaints(); }) {
+}
+
+std::unique_ptr<SeparateInstance> SimpleManager::make(
+		std::unique_ptr<Loader> loader,
+		Fn<void()> repaint) {
+	auto repaintLater = [=](
+			not_null<Instance*> instance,
+			RepaintRequest request) {
+		if (!request.when) {
+			return;
+		}
+		auto &when = _repaints[request.duration];
+		if (when < request.when) {
+			when = request.when;
+		}
+		if (_repaintTimerScheduled) {
+			return;
+		}
+		scheduleRepaintTimer();
+	};
+	_simpleRepaint = repaint;
+	return std::make_unique<SeparateInstance>(
+		std::move(loader),
+		std::move(repaintLater),
+		std::move(repaint));
+}
+
+void SimpleManager::scheduleRepaintTimer() {
+	_repaintTimerScheduled = true;
+	Ui::PostponeCall(this, [=] {
+		_repaintTimerScheduled = false;
+
+		auto next = crl::time();
+		for (const auto &[duration, when] : _repaints) {
+			if (!next || next > when) {
+				next = when;
+			}
+		}
+		if (next && (!_repaintNext || _repaintNext > next)) {
+			const auto now = crl::now();
+			if (now >= next) {
+				_repaintNext = 0;
+				_repaintTimer.cancel();
+				invokeRepaints();
+			} else {
+				_repaintNext = next;
+				_repaintTimer.callOnce(next - now);
+			}
+		}
+	});
+}
+
+void SimpleManager::invokeRepaints() {
+	_repaintNext = 0;
+	auto invoke = false;
+	const auto now = crl::now();
+	for (auto i = begin(_repaints); i != end(_repaints);) {
+		if (i->second > now) {
+			++i;
+			continue;
+		}
+		invoke = true;
+		i = _repaints.erase(i);
+	}
+	if (invoke && _simpleRepaint) {
+		_simpleRepaint();
+	}
+	scheduleRepaintTimer();
+}
+
 } // namespace Ui::CustomEmoji

Telegram/SourceFiles/ui/text/custom_emoji_instance.h

@@ -10,6 +10,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/text/text_block.h"
 #include "base/weak_ptr.h"
 #include "base/bytes.h"
+#include "base/timer.h"
 
 class QColor;
 class QPainter;
@@ -266,4 +267,34 @@ private:
 
 };
 
+struct SeparateInstance {
+	SeparateInstance(
+		std::unique_ptr<Loader> loader,
+		Fn<void(not_null<Instance*>, RepaintRequest)> repaintLater,
+		Fn<void()> repaint);
+
+	Instance emoji;
+	Object object;
+};
+
+class SimpleManager final : public base::has_weak_ptr {
+public:
+	SimpleManager();
+
+	[[nodiscard]] std::unique_ptr<SeparateInstance> make(
+		std::unique_ptr<Loader> loader,
+		Fn<void()> repaint);
+
+private:
+	void scheduleRepaintTimer();
+	void invokeRepaints();
+
+	base::flat_map<crl::time, crl::time> _repaints;
+	bool _repaintTimerScheduled = false;
+	crl::time _repaintNext = 0;
+	base::Timer _repaintTimer;
+	Fn<void()> _simpleRepaint;
+
+};
+
 } // namespace Ui::CustomEmoji