Show slowmode error messages.

Telegram/Resources/langs/lang.strings

@@ -1655,6 +1655,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_rights_slowmode_interval_minutes#one" = "every {count} minute";
 "lng_rights_slowmode_interval_minutes#other" = "every {count} minutes";
 
+"lng_slowmode_enabled"= "Slowmode is enabled. You can send your next message in {left}.";
+"lng_slowmode_no_many" = "Slowmode is enabled. You can't send more than one message at once.";
+
 "lng_rights_channel_info" = "Change channel info";
 "lng_rights_channel_post" = "Post messages";
 "lng_rights_channel_edit" = "Edit messages of others";

Telegram/SourceFiles/apiwrap.cpp

@@ -548,7 +548,9 @@ void ApiWrap::toggleHistoryArchived(
 //	}).send();
 //}
 
-void ApiWrap::sendMessageFail(const RPCError &error) {
+void ApiWrap::sendMessageFail(
+		not_null<PeerData*> peer,
+		const RPCError &error) {
 	if (error.type() == qstr("PEER_FLOOD")) {
 		Ui::show(Box<InformBox>(
 			PeerFloodErrorText(PeerFloodType::Send)));
@@ -560,6 +562,14 @@ void ApiWrap::sendMessageFail(const RPCError &error) {
 			tr::now,
 			lt_more_info,
 			link)));
+	} else if (error.type().startsWith(qstr("SLOWMODE_WAIT_"))) {
+		const auto chop = qstr("SLOWMODE_WAIT_").size();
+		const auto left = error.type().mid(chop).toInt();
+		if (const auto channel = peer->asChannel()) {
+			const auto seconds = channel->slowmodeSeconds();
+			channel->growSlowmodeLastMessage(
+				base::unixtime::now() - (left - seconds));
+		}
 	}
 }
 
@@ -4828,9 +4838,10 @@ void ApiWrap::editUploadedFile(
 		return;
 	}
 
+	const auto peer = item->history()->peer;
 	request(MTPmessages_EditMessage(
 		MTP_flags(flagsEditMsg),
-		item->history()->peer->input,
+		peer->input,
 		MTP_int(item->id),
 		MTP_string(item->originalText().text),
 		*media,
@@ -4853,7 +4864,7 @@ void ApiWrap::editUploadedFile(
 				Box<InformBox>(tr::lng_edit_media_invalid_file(tr::now)),
 				LayerOption::KeepOther);
 		} else {
-			sendMessageFail(error);
+			sendMessageFail(peer, error);
 		}
 	}).send();
 }
@@ -4986,7 +4997,7 @@ void ApiWrap::sendMessage(MessageToSend &&message) {
 			if (error.type() == qstr("MESSAGE_EMPTY")) {
 				lastMessage->destroy();
 			} else {
-				sendMessageFail(error);
+				sendMessageFail(peer, error);
 			}
 			history->clearSentDraftText(QString());
 		}).afterRequest(history->sendRequestId
@@ -5099,7 +5110,7 @@ void ApiWrap::sendInlineResult(
 		applyUpdates(result, randomId);
 		history->clearSentDraftText(QString());
 	}).fail([=](const RPCError &error) {
-		sendMessageFail(error);
+		sendMessageFail(peer, error);
 		history->clearSentDraftText(QString());
 	}).afterRequest(history->sendRequestId
 	).send();
@@ -5200,12 +5211,12 @@ void ApiWrap::sendExistingDocument(
 				if (document->fileReference() != usedFileReference) {
 					performRequest();
 				} else {
-					sendMessageFail(error);
+					sendMessageFail(peer, error);
 				}
 			};
 			refreshFileReference(origin, std::move(refreshed));
 		} else {
-			sendMessageFail(error);
+			sendMessageFail(peer, error);
 		}
 	};
 	performRequest();
@@ -5329,9 +5340,10 @@ void ApiWrap::sendMediaWithRandomId(
 			? MTPmessages_SendMedia::Flag::f_entities
 			: MTPmessages_SendMedia::Flag(0));
 
+	const auto peer = history->peer;
 	history->sendRequestId = request(MTPmessages_SendMedia(
 		MTP_flags(flags),
-		history->peer->input,
+		peer->input,
 		MTP_int(replyTo),
 		media,
 		MTP_string(caption.text),
@@ -5339,7 +5351,7 @@ void ApiWrap::sendMediaWithRandomId(
 		MTPReplyMarkup(),
 		sentEntities
 	)).done([=](const MTPUpdates &result) { applyUpdates(result);
-	}).fail([=](const RPCError &error) { sendMessageFail(error);
+	}).fail([=](const RPCError &error) { sendMessageFail(peer, error);
 	}).afterRequest(history->sendRequestId
 	).send();
 }
@@ -5416,9 +5428,10 @@ void ApiWrap::sendAlbumIfReady(not_null<SendingAlbum*> album) {
 		| (IsSilentPost(sample, album->silent)
 			? MTPmessages_SendMultiMedia::Flag::f_silent
 			: MTPmessages_SendMultiMedia::Flag(0));
+	const auto peer = history->peer;
 	history->sendRequestId = request(MTPmessages_SendMultiMedia(
 		MTP_flags(flags),
-		history->peer->input,
+		peer->input,
 		MTP_int(replyTo),
 		MTP_vector<MTPInputSingleMedia>(medias)
 	)).done([=](const MTPUpdates &result) {
@@ -5426,7 +5439,7 @@ void ApiWrap::sendAlbumIfReady(not_null<SendingAlbum*> album) {
 		applyUpdates(result);
 	}).fail([=](const RPCError &error) {
 		_sendingAlbums.remove(groupId);
-		sendMessageFail(error);
+		sendMessageFail(peer, error);
 	}).afterRequest(history->sendRequestId
 	).send();
 }

Telegram/SourceFiles/apiwrap.h

@@ -662,7 +662,9 @@ private:
 		not_null<ChannelData*> channel,
 		not_null<UserData*> from);
 
-	void sendMessageFail(const RPCError &error);
+	void sendMessageFail(
+		not_null<PeerData*> peer,
+		const RPCError &error);
 	void uploadAlbumMedia(
 		not_null<HistoryItem*> item,
 		const MessageGroupId &groupId,

Telegram/SourceFiles/boxes/send_files_box.cpp

@@ -1365,11 +1365,13 @@ SendFilesBox::SendFilesBox(
 	not_null<Window::SessionController*> controller,
 	Storage::PreparedList &&list,
 	const TextWithTags &caption,
-	CompressConfirm compressed)
+	CompressConfirm compressed,
+	SendLimit limit)
 : _controller(controller)
 , _list(std::move(list))
 , _compressConfirmInitial(compressed)
 , _compressConfirm(compressed)
+, _sendLimit(limit)
 , _caption(
 	this,
 	st::confirmCaptionArea,
@@ -1514,9 +1516,24 @@ void SendFilesBox::initSendWay() {
 }
 
 void SendFilesBox::updateCaptionPlaceholder() {
-	if (_caption) {
-		const auto sendWay = _sendWay->value();
+	if (!_caption) {
+		return;
+	}
+	const auto sendWay = _sendWay->value();
+	const auto isAlbum = (sendWay == SendFilesWay::Album);
+	const auto compressImages = (sendWay != SendFilesWay::Files);
+	if (!_list.canAddCaption(isAlbum, compressImages)
+		&& _sendLimit == SendLimit::One) {
+		_caption->hide();
+		if (_emojiToggle) {
+			_emojiToggle->hide();
+		}
+	} else {
 		_caption->setPlaceholder(FieldPlaceholder(_list, sendWay));
+		_caption->show();
+		if (_emojiToggle) {
+			_emojiToggle->show();
+		}
 	}
 }
 
@@ -1640,6 +1657,8 @@ void SendFilesBox::setupCaption() {
 }
 
 void SendFilesBox::setupEmojiPanel() {
+	Expects(_caption != nullptr);
+
 	const auto container = getDelegate()->outerContainer();
 	_emojiPanel = base::make_unique_q<ChatHelpers::TabbedPanel>(
 		container,
@@ -1663,6 +1682,7 @@ void SendFilesBox::setupEmojiPanel() {
 		[=](not_null<QEvent*> event) { return emojiFilter(event); }));
 
 	_emojiToggle.create(this, st::boxAttachEmoji);
+	_emojiToggle->setVisible(!_caption->isHidden());
 	_emojiToggle->installEventFilter(_emojiPanel);
 	_emojiToggle->addClickHandler([=] {
 		_emojiPanel->toggleAnimated();
@@ -1905,7 +1925,7 @@ void SendFilesBox::send(bool ctrlShiftEnter) {
 	applyAlbumOrder();
 	_confirmed = true;
 	if (_confirmedCallback) {
-		auto caption = _caption
+		auto caption = (_caption && !_caption->isHidden())
 			? _caption->getTextWithAppliedMarkdown()
 			: TextWithTags();
 		_confirmedCallback(

Telegram/SourceFiles/boxes/send_files_box.h

@@ -43,12 +43,17 @@ enum class SendFilesWay {
 
 class SendFilesBox : public BoxContent {
 public:
+	enum class SendLimit {
+		One,
+		Many
+	};
 	SendFilesBox(
 		QWidget*,
 		not_null<Window::SessionController*> controller,
 		Storage::PreparedList &&list,
 		const TextWithTags &caption,
-		CompressConfirm compressed);
+		CompressConfirm compressed,
+		SendLimit limit);
 
 	void setConfirmedCallback(
 		Fn<void(
@@ -116,6 +121,7 @@ private:
 
 	CompressConfirm _compressConfirmInitial = CompressConfirm::None;
 	CompressConfirm _compressConfirm = CompressConfirm::None;
+	SendLimit _sendLimit = SendLimit::Many;
 
 	Fn<void(
 		Storage::PreparedList &&list,

Telegram/SourceFiles/chat_helpers/stickers.cpp

@@ -74,9 +74,10 @@ void ApplyArchivedResult(const MTPDmessages_stickerSetInstallResultArchive &d) {
 	Local::writeInstalledStickers();
 	Local::writeArchivedStickers();
 
-	Ui::Toast::Config toast;
+	auto toast = Ui::Toast::Config();
 	toast.text = tr::lng_stickers_packs_archived(tr::now);
-	toast.maxWidth = st::stickersToastMaxWidth;
+	toast.maxWidth = toast.minWidth = st::stickersToastMaxWidth;
+	toast.multiline = true;
 	toast.padding = st::stickersToastPadding;
 	Ui::Toast::Show(toast);
 //	Ui::show(Box<StickersBox>(archived), LayerOption::KeepOther);

Telegram/SourceFiles/data/data_channel.h

@@ -95,7 +95,8 @@ public:
 		| MTPDchannel::Flag::f_megagroup
 		| MTPDchannel::Flag::f_restricted
 		| MTPDchannel::Flag::f_signatures
-		| MTPDchannel::Flag::f_username;
+		| MTPDchannel::Flag::f_username
+		| MTPDchannel::Flag::f_slowmode_enabled;
 	using Flags = Data::Flags<
 		MTPDchannel::Flags,
 		kEssentialFlags>;

Telegram/SourceFiles/data/data_peer.cpp

@@ -13,6 +13,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_photo.h"
 #include "data/data_folder.h"
 #include "data/data_session.h"
+#include "base/unixtime.h"
 #include "lang/lang_keys.h"
 #include "observer_peer.h"
 #include "apiwrap.h"
@@ -701,6 +702,26 @@ bool PeerData::canRevokeFullHistory() const {
 		&& (Global::RevokePrivateTimeLimit() == 0x7FFFFFFF);
 }
 
+bool PeerData::slowmodeApplied() const {
+	if (const auto channel = asChannel()) {
+		return !channel->amCreator()
+			&& !channel->hasAdminRights()
+			&& (channel->flags() & MTPDchannel::Flag::f_slowmode_enabled);
+	}
+	return false;
+}
+
+int PeerData::slowmodeSecondsLeft() const {
+	if (const auto channel = asChannel()) {
+		if (const auto last = channel->slowmodeLastMessage()) {
+			const auto seconds = channel->slowmodeSeconds();
+			const auto now = base::unixtime::now();
+			return std::max(seconds - (now - last), 0);
+		}
+	}
+	return 0;
+}
+
 namespace Data {
 
 std::vector<ChatRestrictions> ListOfRestrictions() {

Telegram/SourceFiles/data/data_peer.h

@@ -177,6 +177,8 @@ public:
 	[[nodiscard]] Data::RestrictionCheckResult amRestricted(
 		ChatRestriction right) const;
 	[[nodiscard]] bool canRevokeFullHistory() const;
+	[[nodiscard]] bool slowmodeApplied() const;
+	[[nodiscard]] int slowmodeSecondsLeft() const;
 
 	[[nodiscard]] UserData *asUser();
 	[[nodiscard]] const UserData *asUser() const;

Telegram/SourceFiles/history/history.style

@@ -580,3 +580,5 @@ historyAudioInDownload: icon {{ "history_audio_download", historyFileInIconFg }}
 historyAudioInDownloadSelected: icon {{ "history_audio_download", historyFileInIconFgSelected }};
 historyAudioOutDownload: icon {{ "history_audio_download", historyFileOutIconFg }};
 historyAudioOutDownloadSelected: icon {{ "history_audio_download", historyFileOutIconFgSelected }};
+
+historySlowmodeCounterMargins: margins(0px, 0px, 10px, 0px);

Telegram/SourceFiles/history/history_widget.cpp

@@ -236,6 +236,21 @@ object_ptr<Ui::FlatButton> SetupDiscussButton(
 	return result;
 }
 
+void ShowSlowmodeToast(const QString &text) {
+	auto config = Ui::Toast::Config();
+	config.multiline = true;
+	config.minWidth = st::msgMinWidth;
+	config.text = text;
+	Ui::Toast::Show(config);
+}
+
+void ShowSlowmodeToast(int seconds) {
+	ShowSlowmodeToast(tr::lng_slowmode_enabled(
+		tr::now,
+		lt_left,
+		formatDurationWords(seconds)));
+}
+
 } // namespace
 
 HistoryWidget::HistoryWidget(
@@ -2800,11 +2815,14 @@ void HistoryWidget::hideSelectorControlsAnimated() {
 }
 
 void HistoryWidget::send(Qt::KeyboardModifiers modifiers) {
-	if (!_history) return;
-
-	if (_editMsgId) {
+	if (!_history) {
+		return;
+	} else if (_editMsgId) {
 		saveEditMsg();
 		return;
+	} else if (const auto left = _peer->slowmodeSecondsLeft()) {
+		ShowSlowmodeToast(left);
+		return;
 	}
 
 	const auto webPageId = _previewCancelled
@@ -2818,6 +2836,17 @@ void HistoryWidget::send(Qt::KeyboardModifiers modifiers) {
 	message.replyTo = replyToId();
 	message.webPageId = webPageId;
 	message.handleSupportSwitch = Support::HandleSwitch(modifiers);
+
+	if (_peer->slowmodeApplied()) {
+		if (_toForward.size() > 1
+			|| (!_toForward.empty()
+				&& !message.textWithTags.text.isEmpty())
+			|| (message.textWithTags.text.size() > MaxMessageSize)) {
+			ShowSlowmodeToast(tr::lng_slowmode_no_many(tr::now));
+			return;
+		}
+	}
+
 	session().api().sendMessage(std::move(message));
 
 	clearFieldText();
@@ -3016,13 +3045,23 @@ void HistoryWidget::chooseAttach() {
 	} else if (const auto error = Data::RestrictionError(
 			_peer,
 			ChatRestriction::f_send_media)) {
-		Ui::show(Box<InformBox>(*error));
+		Ui::Toast::Show(*error);
+		return;
+	} else if (const auto left = _peer->slowmodeSecondsLeft()) {
+		ShowSlowmodeToast(left);
 		return;
 	}
 
-	auto filter = FileDialog::AllFilesFilter() + qsl(";;Image files (*") + cImgExtensions().join(qsl(" *")) + qsl(")");
+	const auto filter = FileDialog::AllFilesFilter()
+		+ qsl(";;Image files (*")
+		+ cImgExtensions().join(qsl(" *"))
+		+ qsl(")");
 
-	FileDialog::GetOpenPaths(this, tr::lng_choose_files(tr::now), filter, crl::guard(this, [this](FileDialog::OpenResult &&result) {
+	const auto method = _peer->slowmodeApplied()
+		? &FileDialog::GetOpenPath
+		: &FileDialog::GetOpenPaths;
+	method(this, tr::lng_choose_files(tr::now), filter, crl::guard(this, [=](
+			FileDialog::OpenResult &&result) {
 		if (result.paths.isEmpty() && result.remoteContent.isEmpty()) {
 			return;
 		}
@@ -3052,14 +3091,12 @@ void HistoryWidget::chooseAttach() {
 				confirmSendingFiles(std::move(list), CompressConfirm::No);
 			}
 		}
-	}));
+	}), nullptr);
 }
 
 void HistoryWidget::sendButtonClicked() {
 	const auto type = _send->type();
-	if (type == Ui::SendButton::Type::Slowmode) {
-		return;
-	} else if (type == Ui::SendButton::Type::Cancel) {
+	if (type == Ui::SendButton::Type::Cancel) {
 		onInlineBotCancel();
 	} else if (type != Ui::SendButton::Type::Record) {
 		send();
@@ -3539,17 +3576,9 @@ void HistoryWidget::updateSendButtonType() {
 	_send->setType(type);
 
 	const auto delay = [&] {
-		if (type == Type::Cancel || type == Type::Save) {
-			return 0;
-		}
-		const auto channel = _peer ? _peer->asChannel() : nullptr;
-		const auto last = channel ? channel->slowmodeLastMessage() : 0;
-		if (!last) {
-			return 0;
-		}
-		const auto seconds = channel->slowmodeSeconds();
-		const auto now = base::unixtime::now();
-		return std::max(seconds - (now - last), 0);
+		return (type != Type::Cancel && type != Type::Save && _peer)
+			? _peer->slowmodeSecondsLeft()
+			: 0;
 	}();
 	_send->setSlowmodeDelay(delay);
 
@@ -3963,6 +3992,14 @@ bool HistoryWidget::showSendingFilesError(
 		} else if (!canWriteMessage()) {
 			return tr::lng_forward_send_files_cant(tr::now);
 		}
+		if (list.files.size() > 1 && _peer->slowmodeApplied()) {
+			return tr::lng_slowmode_no_many(tr::now);
+		} else if (const auto left = _peer->slowmodeSecondsLeft()) {
+			return tr::lng_slowmode_enabled(
+				tr::now,
+				lt_left,
+				formatDurationWords(left));
+		}
 		using Error = Storage::PreparedList::Error;
 		switch (list.error) {
 		case Error::None: return QString();
@@ -3983,7 +4020,7 @@ bool HistoryWidget::showSendingFilesError(
 		return false;
 	}
 
-	Ui::show(Box<InformBox>(text));
+	ShowSlowmodeToast(text);
 	return true;
 }
 
@@ -4024,11 +4061,13 @@ bool HistoryWidget::confirmSendingFiles(
 	const auto position = cursor.position();
 	const auto anchor = cursor.anchor();
 	const auto text = _field->getTextWithTags();
+	using SendLimit = SendFilesBox::SendLimit;
 	auto box = Box<SendFilesBox>(
 		controller(),
 		std::move(list),
 		text,
-		boxCompressConfirm);
+		boxCompressConfirm,
+		_peer->slowmodeApplied() ? SendLimit::One : SendLimit::Many);
 	_field->setTextWithTags({});
 	box->setConfirmedCallback(crl::guard(this, [=](
 			Storage::PreparedList &&list,
@@ -4172,6 +4211,17 @@ void HistoryWidget::uploadFilesAfterConfirmation(
 		std::shared_ptr<SendingAlbum> album) {
 	Assert(canWriteMessage());
 
+	const auto isAlbum = (album != nullptr);
+	const auto compressImages = (type == SendMediaType::Photo);
+	if (_peer->slowmodeApplied()
+		&& (list.files.size() > 1
+			|| (!list.files.empty()
+				&& !caption.text.isEmpty()
+				&& !list.canAddCaption(isAlbum, compressImages)))) {
+		ShowSlowmodeToast(tr::lng_slowmode_no_many(tr::now));
+		return;
+	}
+
 	auto options = ApiWrap::SendOptions(_history);
 	options.replyTo = replyTo;
 	session().api().sendFiles(
@@ -5292,6 +5342,9 @@ void HistoryWidget::sendInlineResult(
 		not_null<UserData*> bot) {
 	if (!_peer || !_peer->canWrite()) {
 		return;
+	} else if (const auto left = _peer->slowmodeSecondsLeft()) {
+		ShowSlowmodeToast(left);
+		return;
 	}
 
 	auto errorText = result->getErrorOnSend(_history);
@@ -5445,6 +5498,9 @@ bool HistoryWidget::sendExistingDocument(
 		return false;
 	} else if (!_peer || !_peer->canWrite()) {
 		return false;
+	} else if (const auto left = _peer->slowmodeSecondsLeft()) {
+		ShowSlowmodeToast(left);
+		return false;
 	}
 
 	const auto origin = document->stickerOrGifOrigin();
@@ -5480,6 +5536,9 @@ bool HistoryWidget::sendExistingPhoto(
 		return false;
 	} else if (!_peer || !_peer->canWrite()) {
 		return false;
+	} else if (const auto left = _peer->slowmodeSecondsLeft()) {
+		ShowSlowmodeToast(left);
+		return false;
 	}
 
 	auto options = ApiWrap::SendOptions(_history);

Telegram/SourceFiles/ui/special_buttons.cpp

@@ -420,7 +420,10 @@ void SendButton::paintSend(Painter &p, bool over) {
 void SendButton::paintSlowmode(Painter &p) {
 	p.setFont(st::normalFont);
 	p.setPen(st::windowSubTextFg);
-	p.drawText(rect(), _slowmodeDelayText, style::al_center);
+	p.drawText(
+		rect().marginsRemoved(st::historySlowmodeCounterMargins),
+		_slowmodeDelayText,
+		style::al_center);
 }
 
 void SendButton::onStateChanged(State was, StateChangeSource source) {

Telegram/SourceFiles/ui/toast/toast.h

@@ -13,16 +13,19 @@ namespace Ui {
 namespace Toast {
 
 namespace internal {
-	class Manager;
-	class Widget;
+class Manager;
+class Widget;
 } // namespace internal
 
 static constexpr const int DefaultDuration = 1500;
 struct Config {
 	QString text;
-	int durationMs = DefaultDuration;
-	int maxWidth = 0;
 	QMargins padding;
+	int durationMs = DefaultDuration;
+	int minWidth = 0;
+	int maxWidth = 0;
+	int maxLines = 16;
+	bool multiline = false;
 };
 void Show(QWidget *parent, const Config &config);
 void Show(const Config &config);

Telegram/SourceFiles/ui/toast/toast_widget.cpp

@@ -12,23 +12,25 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 namespace Ui {
 namespace Toast {
 namespace internal {
-namespace {
-
-constexpr auto kToastMaxLines = 16;
-
-} // namespace
 
 Widget::Widget(QWidget *parent, const Config &config) : TWidget(parent)
-, _multiline(config.maxWidth > 0)
+, _multiline(config.multiline)
 , _maxWidth((config.maxWidth > 0) ? config.maxWidth : st::toastMaxWidth)
 , _padding((config.padding.left() > 0) ? config.padding : st::toastPadding)
 , _maxTextWidth(_maxWidth - _padding.left() - _padding.right())
-, _text(_multiline ? _maxTextWidth : QFIXED_MAX) {
-	TextParseOptions toastOptions = { 0, _maxTextWidth, st::toastTextStyle.font->height, Qt::LayoutDirectionAuto };
-	if (_multiline) {
-		toastOptions.maxh *= kToastMaxLines;
-	}
-	_text.setText(st::toastTextStyle, _multiline ? config.text : TextUtilities::SingleLine(config.text), toastOptions);
+, _maxTextHeight(
+	st::toastTextStyle.font->height * (_multiline ? config.maxLines : 1))
+, _text(_multiline ? config.minWidth : QFIXED_MAX) {
+	const auto toastOptions = TextParseOptions{
+		0,
+		_maxTextWidth,
+		_maxTextHeight,
+		Qt::LayoutDirectionAuto
+	};
+	_text.setText(
+		st::toastTextStyle,
+		_multiline ? config.text : TextUtilities::SingleLine(config.text),
+		toastOptions);
 
 	setAttribute(Qt::WA_TransparentForMouseEvents);
 
@@ -41,9 +43,10 @@ void Widget::onParentResized() {
 	accumulate_min(newWidth, _padding.left() + _text.maxWidth() + _padding.right());
 	accumulate_min(newWidth, parentWidget()->width() - 2 * st::toastMinMargin);
 	_textWidth = newWidth - _padding.left() - _padding.right();
-	auto maxHeight = kToastMaxLines * st::toastTextStyle.font->height;
-	auto textHeight = _multiline ? qMin(_text.countHeight(_textWidth), maxHeight) : _text.minHeight();
-	auto newHeight = _padding.top() + textHeight + _padding.bottom();
+	const auto textHeight = _multiline
+		? qMin(_text.countHeight(_textWidth), _maxTextHeight)
+		: _text.minHeight();
+	const auto newHeight = _padding.top() + textHeight + _padding.bottom();
 	setGeometry((parentWidget()->width() - newWidth) / 2, (parentWidget()->height() - newHeight) / 2, newWidth, newHeight);
 }
 
@@ -58,7 +61,7 @@ void Widget::paintEvent(QPaintEvent *e) {
 	p.setOpacity(_shownLevel);
 	App::roundRect(p, rect(), st::toastBg, ImageRoundRadius::Large);
 
-	auto lines = _multiline ? kToastMaxLines : 1;
+	const auto lines = _maxTextHeight / st::toastTextStyle.font->height;
 	p.setPen(st::toastFg);
 	_text.drawElided(p, _padding.left(), _padding.top(), _textWidth + 1, lines);
 }

Telegram/SourceFiles/ui/toast/toast_widget.h

@@ -34,6 +34,7 @@ private:
 	QMargins _padding;
 
 	int _maxTextWidth = 0;
+	int _maxTextHeight = 0;
 	int _textWidth = 0;
 	Text::String _text;
 

Telegram/SourceFiles/window/window_peer_menu.cpp

@@ -575,9 +575,10 @@ void FolderFiller::addTogglesForArchive() {
 	});
 
 	_addAction(tr::lng_context_archive_to_menu(tr::now), [=] {
-		Ui::Toast::Config toast;
+		auto toast = Ui::Toast::Config();
 		toast.text = tr::lng_context_archive_to_menu_info(tr::now);
-		toast.maxWidth = st::boxWideWidth;
+		toast.minWidth = toast.maxWidth = st::boxWideWidth;
+		toast.multiline = true;
 		toast.durationMs = kArchivedToastDuration;
 		Ui::Toast::Show(toast);
 
@@ -896,11 +897,12 @@ void PeerMenuAddMuteAction(
 //
 void ToggleHistoryArchived(not_null<History*> history, bool archived) {
 	const auto callback = [=] {
-		Ui::Toast::Config toast;
+		auto toast = Ui::Toast::Config();
 		toast.text = archived
 			? tr::lng_archived_added(tr::now)
 			: tr::lng_archived_removed(tr::now);
-		toast.maxWidth = st::boxWideWidth;
+		toast.minWidth = toast.maxWidth = st::boxWideWidth;
+		toast.multiline = true;
 		if (archived) {
 			toast.durationMs = kArchivedToastDuration;
 		}