Added favorite link button to folders strip.

2026-08-06 03:42:56 +00:00 · 2026-07-19 20:09:01 +03:00
parent 4a1410bc15
commit b7eb9eea4e
15 changed files with 747 additions and 1 deletions
@@ -1985,6 +1985,8 @@ PRIVATE
    window/window_connecting_widget.h
    window/window_controller.cpp
    window/window_controller.h
+    window/window_filters_favorite.cpp
+    window/window_filters_favorite.h
    window/window_filters_menu.cpp
    window/window_filters_menu.h
    window/window_history_hider.cpp
@@ -0,0 +1 @@
+<svg width="36px" height="36px" viewBox="0 0 36 36" xmlns="http://www.w3.org/2000/svg" fill="none" stroke="#FFFFFF" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M27 18.5c0 3.6-4 6.5-9 6.5a11 11 0 0 1-3-.4L9.5 27l1-3.4A6.3 6.3 0 0 1 9 18.5C9 14.9 13 12 18 12s9 2.9 9 6.5z"/></svg>
@@ -0,0 +1 @@
+<svg width="36px" height="36px" viewBox="0 0 36 36" xmlns="http://www.w3.org/2000/svg" fill="none" stroke="#FFFFFF" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M8 13a2 2 0 0 1 2-2h5l2.5 3H26a2 2 0 0 1 2 2v8a2 2 0 0 1-2 2H10a2 2 0 0 1-2-2z"/></svg>
@@ -0,0 +1 @@
+<svg width="36px" height="36px" viewBox="0 0 36 36" xmlns="http://www.w3.org/2000/svg" fill="none" stroke="#FFFFFF" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="18" cy="14.5" r="4.5"/><path d="M9.5 27.5a8.5 8.5 0 0 1 17 0"/></svg>
@@ -0,0 +1 @@
+<svg width="36px" height="36px" viewBox="0 0 36 36" xmlns="http://www.w3.org/2000/svg" fill="none" stroke="#FFFFFF" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="18" cy="18" r="10"/><path d="M8 18h20"/><path d="M18 8c3 2.5 4.5 6 4.5 10s-1.5 7.5-4.5 10c-3-2.5-4.5-6-4.5-10s1.5-7.5 4.5-10z"/></svg>
@@ -0,0 +1 @@
+<svg width="36px" height="36px" viewBox="0 0 36 36" xmlns="http://www.w3.org/2000/svg" fill="none" stroke="#FFFFFF" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M18 8a6.5 6.5 0 0 1 6.5 6.5v4l2 3h-17l2-3v-4A6.5 6.5 0 0 1 18 8z"/><path d="M15.5 25a2.5 2.5 0 0 0 5 0"/></svg>
@@ -0,0 +1 @@
+<svg width="36px" height="36px" viewBox="0 0 36 36" xmlns="http://www.w3.org/2000/svg" fill="none" stroke="#FFFFFF" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect x="10" y="16.5" width="16" height="11.5" rx="2.5"/><path d="M13.5 16.5v-3.5a4.5 4.5 0 0 1 9 0v3.5"/></svg>
@@ -0,0 +1 @@
+<svg width="36px" height="36px" viewBox="0 0 36 36" xmlns="http://www.w3.org/2000/svg" fill="none" stroke="#FFFFFF" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M26.07 16.06 28.92 16.71 28.92 19.29 26.07 19.94 25.08 22.34 26.64 24.81 24.81 26.64 22.34 25.08 19.94 26.07 19.29 28.92 16.71 28.92 16.06 26.07 13.66 25.08 11.19 26.64 9.36 24.81 10.92 22.34 9.93 19.94 7.08 19.29 7.08 16.71 9.93 16.06 10.92 13.66 9.36 11.19 11.19 9.36 13.66 10.92 16.06 9.93 16.71 7.08 19.29 7.08 19.94 9.93 22.34 10.92 24.81 9.36 26.64 11.19 25.08 13.66Z"/><circle cx="18" cy="18" r="3.6"/></svg>
@@ -0,0 +1 @@
+<svg width="36px" height="36px" viewBox="0 0 36 36" xmlns="http://www.w3.org/2000/svg" fill="none" stroke="#FFFFFF" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="18" cy="18" r="10"/><circle cx="14.5" cy="15.5" r="1.1" fill="#FFFFFF" stroke="none"/><circle cx="21.5" cy="15.5" r="1.1" fill="#FFFFFF" stroke="none"/><path d="M13.5 21a5 5 0 0 0 9 0"/></svg>
@@ -7,7 +7,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "settings/settings_experimental.h"

+#include "settings/settings_common.h"
 #include "data/components/passkeys.h"
+#include "ui/layers/generic_box.h"
 #include "main/main_session.h"
 #include "ui/boxes/confirm_box.h"
 #include "ui/search_field_controller.h"
@@ -48,6 +50,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "mtproto/session_private.h"
 #include "webview/webview_embed.h"
 #include "window/main_window.h"
+#include "window/window_filters_favorite.h"
 #include "window/window_peer_menu.h"
 #include "window/window_session_controller.h"
 #include "window/window_controller.h"
@@ -215,6 +218,61 @@ void AddOption(
 	}, wrap->lifetime());
 }

+void AddFavoriteLinkButton(
+		not_null<Window::Controller*> window,
+		not_null<Ui::VerticalLayout*> container,
+		rpl::producer<QString> query,
+		Fn<void(const QString&, not_null<QWidget*>)> registerHighlight) {
+	const auto option = &base::options::lookup<QString>(
+		Window::kOptionFolderFavoriteLink);
+	const auto name = option->name().isEmpty()
+		? option->id()
+		: option->name();
+	const auto &description = option->description();
+
+	const auto wrap = container->add(
+		object_ptr<Ui::SlideWrap<Ui::VerticalLayout>>(
+			container,
+			object_ptr<Ui::VerticalLayout>(container)));
+	const auto inner = wrap->entity();
+
+	auto label = rpl::single(
+		rpl::empty
+	) | rpl::then(
+		option->changes()
+	) | rpl::map([option] {
+		return option->value();
+	});
+	const auto button = AddButtonWithLabel(
+		inner,
+		rpl::single(name),
+		std::move(label),
+		st::settingsButtonNoIcon);
+	button->setClickedCallback([=] {
+		window->show(Box(Window::EditFolderFavoriteLinkBox));
+	});
+
+	if (registerHighlight) {
+		registerHighlight(u"experimental/"_q + option->id(), button);
+	}
+
+	if (!description.isEmpty()) {
+		Ui::AddSkip(inner, st::settingsCheckboxesSkip);
+		Ui::AddDividerText(inner, rpl::single(description));
+		Ui::AddSkip(inner, st::settingsCheckboxesSkip);
+	}
+
+	std::move(
+		query
+	) | rpl::on_next([=](const QString &text) {
+		const auto trimmed = text.trimmed();
+		const auto matches = trimmed.isEmpty()
+			|| name.contains(trimmed, Qt::CaseInsensitive)
+			|| description.contains(trimmed, Qt::CaseInsensitive);
+		wrap->toggle(matches, anim::type::instant);
+	}, wrap->lifetime());
+}
+
 void SetupExperimental(
 		not_null<Window::Controller*> window,
 		not_null<Ui::VerticalLayout*> container,
@@ -317,6 +375,12 @@ void SetupExperimental(
 	addToggle(HistoryView::Controls::kOptionMacCmdReplyImmediately);
 	addToggle(Ui::kOptionQScroller);
 	addToggle(FFmpeg::kOptionFFmpegMultiThread);
+
+	AddFavoriteLinkButton(
+		window,
+		container,
+		rpl::duplicate(query),
+		registerHighlight);
 }

 } // namespace
@@ -85,3 +85,12 @@ foldersPoo: icon {{ "folders/folders_poo", sideBarIconFg }};
 foldersPooActive: icon {{ "folders/folders_poo", sideBarIconFgActive }};

 filtersEdit: icon {{ "folders/folders_edit", sideBarIconFg }};
+
+foldersSectionSettings: icon {{ "folders/svg/section_settings-36x36", sideBarIconFg }};
+foldersSectionFolders: icon {{ "folders/svg/section_folders-36x36", sideBarIconFg }};
+foldersSectionNotifications: icon {{ "folders/svg/section_notifications-36x36", sideBarIconFg }};
+foldersSectionPrivacy: icon {{ "folders/svg/section_privacy-36x36", sideBarIconFg }};
+foldersSectionStickers: icon {{ "folders/svg/section_stickers-36x36", sideBarIconFg }};
+foldersSectionChat: icon {{ "folders/svg/section_chat-36x36", sideBarIconFg }};
+foldersSectionLanguage: icon {{ "folders/svg/section_language-36x36", sideBarIconFg }};
+foldersSectionInfo: icon {{ "folders/svg/section_info-36x36", sideBarIconFg }};
@@ -0,0 +1,498 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#include "window/window_filters_favorite.h"
+
+#include "apiwrap.h"
+#include "base/options.h"
+#include "base/qthelp_url.h"
+#include "base/weak_ptr.h"
+#include "core/click_handler_types.h"
+#include "core/local_url_handlers.h"
+#include "data/data_changes.h"
+#include "data/data_file_origin.h"
+#include "data/data_msg_id.h"
+#include "data/data_peer.h"
+#include "data/data_peer_id.h"
+#include "data/data_photo.h"
+#include "data/data_session.h"
+#include "data/data_types.h"
+#include "data/data_user.h"
+#include "data/stickers/data_stickers.h"
+#include "data/stickers/data_stickers_set.h"
+#include "lang/lang_keys.h"
+#include "main/main_session.h"
+#include "ui/basic_click_handlers.h"
+#include "ui/dynamic_image.h"
+#include "ui/dynamic_thumbnails.h"
+#include "ui/layers/generic_box.h"
+#include "ui/painter.h"
+#include "ui/widgets/fields/input_field.h"
+#include "ui/widgets/menu/menu_add_action_callback.h"
+#include "ui/widgets/menu/menu_add_action_callback_factory.h"
+#include "ui/widgets/popup_menu.h"
+#include "window/window_session_controller.h"
+#include "styles/style_filter_icons.h"
+#include "styles/style_menu_icons.h"
+#include "styles/style_widgets.h"
+#include "styles/style_window.h"
+
+#include <QtGui/QtEvents>
+
+namespace Window {
+namespace {
+
+constexpr auto kMaxLabelLines = 3;
+
+base::options::option<QString> FavoriteLink({
+	.id = kOptionFolderFavoriteLink,
+	.name = "Favorite folder button",
+	.description = "Favorite button at the bottom of the folders strip "
+		"that opens a tg:// or t.me/ link.",
+});
+
+enum class Category {
+	Generic,
+	Peer,
+	Invite,
+	StickerSet,
+	EmojiSet,
+	ChatFolder,
+	Settings,
+};
+
+struct ParsedLink {
+	Category category = Category::Generic;
+	QString value;
+	bool phone = false;
+};
+
+[[nodiscard]] ParsedLink ParseFavoriteLink(const QString &link) {
+	const auto local = Core::TryConvertUrlToLocal(link.trimmed());
+	const auto prefix = u"tg://"_q;
+	if (!local.startsWith(prefix, Qt::CaseInsensitive)) {
+		return {};
+	}
+	const auto command = local.mid(prefix.size());
+	const auto queryStart = command.indexOf('?');
+	const auto name = (queryStart < 0)
+		? command
+		: command.mid(0, queryStart);
+	const auto params = (queryStart < 0)
+		? QMap<QString, QString>()
+		: qthelp::url_parse_params(
+			command.mid(queryStart + 1),
+			qthelp::UrlParamNameTransform::ToLower);
+	const auto starts = [&](const QString &n) {
+		return name.startsWith(n, Qt::CaseInsensitive);
+	};
+	const auto with = [](Category category, const QString &value) {
+		return value.isEmpty() ? ParsedLink() : ParsedLink{ category, value };
+	};
+	if (starts(u"resolve"_q)) {
+		const auto phone = params.value(u"phone"_q);
+		if (!phone.isEmpty()) {
+			return { Category::Peer, phone, true };
+		}
+		const auto domain = params.value(u"domain"_q);
+		return (domain.isEmpty() || domain == u"giftcode"_q)
+			? ParsedLink()
+			: ParsedLink{ Category::Peer, domain };
+	} else if (starts(u"join"_q)) {
+		return with(Category::Invite, params.value(u"invite"_q));
+	} else if (starts(u"addstickers"_q)) {
+		return with(Category::StickerSet, params.value(u"set"_q));
+	} else if (starts(u"addemoji"_q)) {
+		return with(Category::EmojiSet, params.value(u"set"_q));
+	} else if (starts(u"addlist"_q)) {
+		return with(Category::ChatFolder, params.value(u"slug"_q));
+	} else if (starts(u"settings"_q)) {
+		auto path = name.mid(u"settings"_q.size());
+		while (path.startsWith('/')) {
+			path = path.mid(1);
+		}
+		return { Category::Settings, path };
+	}
+	return {};
+}
+
+struct KnownContent {
+	const style::icon *icon = nullptr;
+	QString label;
+};
+
+[[nodiscard]] KnownContent SettingsContent(const QString &path) {
+	const auto starts = [&](const char *prefix) {
+		return path.startsWith(QString::fromLatin1(prefix), Qt::CaseInsensitive);
+	};
+	if (path.isEmpty()) {
+		return { &st::foldersSectionSettings, tr::lng_menu_settings(tr::now) };
+	} else if (starts("folders")) {
+		return { &st::foldersSectionFolders, tr::lng_filters_title(tr::now) };
+	} else if (starts("notifications")) {
+		return {
+			&st::foldersSectionNotifications,
+			tr::lng_settings_section_notify(tr::now),
+		};
+	} else if (starts("privacy") || starts("phone_privacy")) {
+		return {
+			&st::foldersSectionPrivacy,
+			tr::lng_settings_section_privacy(tr::now),
+		};
+	} else if (starts("appearance/stickers") || starts("stickers")) {
+		return {
+			&st::foldersSectionStickers,
+			tr::lng_settings_stickers_emoji(tr::now),
+		};
+	} else if (starts("appearance") || starts("chat") || starts("themes")) {
+		return {
+			&st::foldersSectionChat,
+			tr::lng_settings_section_chat_settings(tr::now),
+		};
+	} else if (starts("devices")) {
+		return {
+			&st::foldersSectionSettings,
+			tr::lng_settings_sessions_title(tr::now),
+		};
+	} else if (starts("language")) {
+		return {
+			&st::foldersSectionLanguage,
+			tr::lng_settings_language(tr::now),
+		};
+	} else if (starts("advanced")) {
+		return {
+			&st::foldersSectionSettings,
+			tr::lng_settings_advanced(tr::now),
+		};
+	} else if (starts("experiment")) {
+		return {
+			&st::foldersSectionSettings,
+			tr::lng_settings_experimental(tr::now),
+		};
+	} else if (starts("edit")
+		|| starts("information")
+		|| starts("my-profile")
+		|| starts("edit_profile")) {
+		return {
+			&st::foldersSectionInfo,
+			tr::lng_settings_section_info(tr::now),
+		};
+	}
+	return { &st::foldersSectionSettings, tr::lng_menu_settings(tr::now) };
+}
+
+} // namespace
+
+const char kOptionFolderFavoriteLink[] = "folder-favorite-link";
+
+bool ValidFolderFavoriteLink(const QString &link) {
+	return Core::TryConvertUrlToLocal(link.trimmed())
+		.startsWith(u"tg://"_q, Qt::CaseInsensitive);
+}
+
+void EditFolderFavoriteLinkBox(not_null<Ui::GenericBox*> box) {
+	box->setTitle(tr::lng_menu_formatting_link_edit());
+	const auto field = box->addRow(object_ptr<Ui::InputField>(
+		box,
+		st::defaultInputField,
+		tr::lng_info_link_label(),
+		FavoriteLink.value()));
+	box->setFocusCallback([=] { field->setFocusFast(); });
+	const auto submit = [=] {
+		const auto link = field->getLastText().trimmed();
+		if (link.isEmpty()) {
+			FavoriteLink.set(QString());
+			box->closeBox();
+		} else if (!ValidFolderFavoriteLink(link)) {
+			field->showError();
+		} else {
+			FavoriteLink.set(link);
+			box->closeBox();
+		}
+	};
+	field->submits(
+	) | rpl::on_next([=](auto) { submit(); }, field->lifetime());
+	box->addButton(tr::lng_settings_save(), submit);
+	box->addButton(tr::lng_cancel(), [=] { box->closeBox(); });
+}
+
+FolderFavoriteButton::FolderFavoriteButton(
+	QWidget *parent,
+	not_null<SessionController*> controller,
+	const style::SideBarButton &st)
+: RippleButton(parent, st.ripple)
+, _controller(controller)
+, _st(st)
+, _api(&controller->session().mtp())
+, _label(st.minTextWidth) {
+	setAttribute(Qt::WA_OpaquePaintEvent);
+
+	setClickedCallback([=] { openLink(); });
+
+	events(
+	) | rpl::filter([](not_null<QEvent*> e) {
+		return (e->type() == QEvent::ContextMenu);
+	}) | rpl::on_next([=](not_null<QEvent*> e) {
+		showMenu();
+		e->accept();
+	}, lifetime());
+}
+
+FolderFavoriteButton::~FolderFavoriteButton() = default;
+
+rpl::producer<bool> FolderFavoriteButton::shownValue() const {
+	return _shown.value();
+}
+
+bool FolderFavoriteButton::shown() const {
+	return _shown.current();
+}
+
+int FolderFavoriteButton::resizeGetHeight(int newWidth) {
+	const auto result = _st.minHeight;
+	const auto text = std::min(
+		_label.countHeight(newWidth - _st.textSkip * 2),
+		_st.style.font->height * kMaxLabelLines);
+	const auto add = text - _st.style.font->height;
+	return result + std::max(add, 0);
+}
+
+void FolderFavoriteButton::paintEvent(QPaintEvent *e) {
+	auto p = Painter(this);
+	p.fillRect(e->rect(), _st.textBg);
+
+	RippleButton::paintRipple(p, 0, 0);
+
+	if (_thumbnail) {
+		const auto size = st::foldersFavorite.width();
+		const auto x = (width() - size) / 2;
+		p.drawImage(x, _st.iconPosition.y(), _thumbnail->image(size));
+	}
+
+	p.setPen(_st.textFg);
+	_label.draw(p, {
+		.position = { _st.textSkip, _st.textTop },
+		.availableWidth = width() - 2 * _st.textSkip,
+		.align = style::al_top,
+		.elisionLines = kMaxLabelLines,
+	});
+}
+
+void FolderFavoriteButton::setLink(const QString &link) {
+	_resolveLifetime.destroy();
+	_api.request(base::take(_requestId)).cancel();
+
+	_link = link.trimmed();
+	if (_link.isEmpty()) {
+		return;
+	}
+
+	const auto parsed = ParseFavoriteLink(_link);
+	switch (parsed.category) {
+	case Category::Peer:
+		resolvePeer(parsed.value, parsed.phone);
+		break;
+	case Category::Invite:
+		resolveInvite(parsed.value);
+		break;
+	case Category::StickerSet:
+	case Category::EmojiSet:
+		resolveStickerSet(parsed.value);
+		break;
+	case Category::ChatFolder:
+		apply({
+			.thumbnail = Ui::MakeIconThumbnail(st::foldersCustom),
+			.label = tr::lng_filters_title(tr::now),
+		});
+		break;
+	case Category::Settings: {
+		const auto content = SettingsContent(parsed.value);
+		apply({
+			.thumbnail = Ui::MakeIconThumbnail(*content.icon),
+			.label = content.label,
+		});
+		break;
+	}
+	default:
+		showGeneric();
+		break;
+	}
+}
+
+void FolderFavoriteButton::resolvePeer(const QString &value, bool phone) {
+	const auto session = &_controller->session();
+	if (const auto cached = phone
+		? session->data().userByPhone(value)
+		: session->data().peerByUsername(value)) {
+		applyPeer(cached);
+		return;
+	}
+	const auto done = [=](const MTPcontacts_ResolvedPeer &result) {
+		_requestId = 0;
+		result.match([&](const MTPDcontacts_resolvedPeer &data) {
+			session->data().processUsers(data.vusers());
+			session->data().processChats(data.vchats());
+			if (const auto peerId = peerFromMTP(data.vpeer())) {
+				applyPeer(session->data().peer(peerId));
+			} else {
+				showGeneric();
+			}
+		});
+	};
+	const auto fail = [=](const MTP::Error &) {
+		_requestId = 0;
+		showGeneric();
+	};
+	if (phone) {
+		_requestId = _api.request(MTPcontacts_ResolvePhone(
+			MTP_string(value)
+		)).done(done).fail(fail).send();
+	} else {
+		_requestId = _api.request(MTPcontacts_ResolveUsername(
+			MTP_flags(0),
+			MTP_string(value),
+			MTP_string(QString())
+		)).done(done).fail(fail).send();
+	}
+}
+
+void FolderFavoriteButton::resolveInvite(const QString &hash) {
+	const auto session = &_controller->session();
+	const auto done = [=](const MTPChatInvite &result) {
+		_requestId = 0;
+		result.match([&](const MTPDchatInvite &data) {
+			const auto photo = session->data().processPhoto(data.vphoto());
+			auto thumbnail = std::shared_ptr<Ui::DynamicImage>();
+			if (!photo->isNull()) {
+				thumbnail = Ui::MakePhotoThumbnail(photo, FullMsgId());
+			} else {
+				const auto icon = data.is_broadcast()
+					? &st::foldersChannels
+					: &st::foldersGroups;
+				thumbnail = Ui::MakeIconThumbnail(*icon);
+			}
+			apply({
+				.thumbnail = std::move(thumbnail),
+				.label = qs(data.vtitle()),
+			});
+		}, [&](const MTPDchatInviteAlready &data) {
+			applyPeer(session->data().processChat(data.vchat()));
+		}, [&](const MTPDchatInvitePeek &data) {
+			applyPeer(session->data().processChat(data.vchat()));
+		});
+	};
+	const auto fail = [=](const MTP::Error &) {
+		_requestId = 0;
+		showGeneric();
+	};
+	_requestId = _api.request(MTPmessages_CheckChatInvite(
+		MTP_string(hash)
+	)).done(done).fail(fail).send();
+}
+
+void FolderFavoriteButton::resolveStickerSet(const QString &shortName) {
+	const auto session = &_controller->session();
+	_requestId = _api.request(MTPmessages_GetStickerSet(
+		Data::InputStickerSet(StickerSetIdentifier{ .shortName = shortName }),
+		MTP_int(0)
+	)).done([=](const MTPmessages_StickerSet &result) {
+		_requestId = 0;
+		result.match([&](const MTPDmessages_stickerSet &data) {
+			const auto set = session->data().stickers().feedSetFull(data);
+			const auto thumb = set->lookupThumbnailDocument();
+			const auto document = thumb
+				? thumb
+				: set->stickers.isEmpty()
+				? nullptr
+				: set->stickers.front();
+			if (!document) {
+				showGeneric();
+				return;
+			}
+			apply({
+				.thumbnail = Ui::MakeDocumentThumbnail(
+					document,
+					Data::FileOrigin(Data::FileOriginStickerSet(
+						set->id,
+						set->accessHash))),
+				.label = set->title,
+			});
+		}, [&](const MTPDmessages_stickerSetNotModified &) {
+			showGeneric();
+		});
+	}).fail([=](const MTP::Error &) {
+		_requestId = 0;
+		showGeneric();
+	}).send();
+}
+
+void FolderFavoriteButton::applyPeer(not_null<PeerData*> peer) {
+	peer->loadUserpic();
+	apply({
+		.thumbnail = Ui::MakeUserpicThumbnail(peer),
+		.label = peer->name(),
+	});
+	peer->session().changes().peerUpdates(
+		peer,
+		Data::PeerUpdate::Flag::Name
+	) | rpl::on_next([=] {
+		_label.setText(_st.style, peer->name());
+		resizeToWidth(width());
+		update();
+	}, _resolveLifetime);
+}
+
+void FolderFavoriteButton::apply(Presentation presentation) {
+	_thumbnail = std::move(presentation.thumbnail);
+	_label.setText(_st.style, presentation.label);
+	if (_thumbnail) {
+		_thumbnail->subscribeToUpdates([=] { update(); });
+	}
+	_shown = true;
+	resizeToWidth(width());
+	update();
+}
+
+void FolderFavoriteButton::showGeneric() {
+	apply({
+		.thumbnail = Ui::MakeIconThumbnail(st::foldersFavorite),
+		.label = tr::lng_info_link_label(tr::now),
+	});
+}
+
+void FolderFavoriteButton::openLink() {
+	if (_link.isEmpty()) {
+		return;
+	}
+	UrlClickHandler::Open(
+		Core::TryConvertUrlToLocal(_link),
+		QVariant::fromValue(ClickHandlerContext{
+			.sessionWindow = base::make_weak(_controller.get()),
+		}));
+}
+
+void FolderFavoriteButton::showMenu() {
+	_menu = base::make_unique_q<Ui::PopupMenu>(this, st::popupMenuWithIcons);
+	const auto addAction = Ui::Menu::CreateAddActionCallback(_menu);
+	addAction(
+		tr::lng_menu_formatting_link_edit(tr::now),
+		[=] { editLink(); },
+		&st::menuIconEdit);
+	addAction({
+		.text = tr::lng_filters_context_remove(tr::now),
+		.handler = [=] { FavoriteLink.set(QString()); },
+		.icon = &st::menuIconDeleteAttention,
+		.isAttention = true,
+	});
+	_menu->popup(QCursor::pos());
+}
+
+void FolderFavoriteButton::editLink() {
+	_controller->show(Box(EditFolderFavoriteLinkBox));
+}
+
+} // namespace Window
@@ -0,0 +1,86 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+#include "base/unique_qptr.h"
+#include "mtproto/sender.h"
+#include "ui/text/text.h"
+#include "ui/widgets/buttons.h"
+
+class PeerData;
+
+namespace style {
+struct SideBarButton;
+} // namespace style
+
+namespace Ui {
+class DynamicImage;
+class GenericBox;
+class PopupMenu;
+} // namespace Ui
+
+namespace Window {
+
+class SessionController;
+
+extern const char kOptionFolderFavoriteLink[];
+
+[[nodiscard]] bool ValidFolderFavoriteLink(const QString &link);
+
+void EditFolderFavoriteLinkBox(not_null<Ui::GenericBox*> box);
+
+class FolderFavoriteButton final : public Ui::RippleButton {
+public:
+	FolderFavoriteButton(
+		QWidget *parent,
+		not_null<SessionController*> controller,
+		const style::SideBarButton &st);
+	~FolderFavoriteButton();
+
+	[[nodiscard]] rpl::producer<bool> shownValue() const;
+	[[nodiscard]] bool shown() const;
+
+	void setLink(const QString &link);
+
+	int resizeGetHeight(int newWidth) override;
+
+private:
+	struct Presentation {
+		std::shared_ptr<Ui::DynamicImage> thumbnail;
+		QString label;
+	};
+
+	void paintEvent(QPaintEvent *e) override;
+
+	void resolvePeer(const QString &usernameOrPhone, bool phone);
+	void resolveInvite(const QString &hash);
+	void resolveStickerSet(const QString &shortName);
+	void applyPeer(not_null<PeerData*> peer);
+	void apply(Presentation presentation);
+	void showGeneric();
+
+	void openLink();
+	void showMenu();
+	void editLink();
+
+	const not_null<SessionController*> _controller;
+	const style::SideBarButton &_st;
+	MTP::Sender _api;
+
+	QString _link;
+	std::shared_ptr<Ui::DynamicImage> _thumbnail;
+	Ui::Text::String _label;
+	rpl::variable<bool> _shown = false;
+
+	mtpRequestId _requestId = 0;
+	base::unique_qptr<Ui::PopupMenu> _menu;
+	rpl::lifetime _resolveLifetime;
+
+};
+
+} // namespace Window
@@ -12,8 +12,10 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "window/window_controller.h"
 #include "window/window_main_menu.h"
 #include "window/window_peer_menu.h"
+#include "window/window_filters_favorite.h"
 #include "main/main_session.h"
 #include "base/event_filter.h"
+#include "base/options.h"
 #include "core/ui_integration.h"
 #include "data/data_session.h"
 #include "data/data_chat_filters.h"
@@ -25,6 +27,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/filter_icons.h"
 #include "ui/wrap/vertical_layout.h"
 #include "ui/wrap/vertical_layout_reorder.h"
+#include "ui/wrap/slide_wrap.h"
 #include "ui/widgets/menu/menu_add_action_callback_factory.h"
 #include "ui/widgets/popup_menu.h"
 #include "ui/boxes/confirm_box.h"
@@ -298,7 +301,13 @@ void FiltersMenu::setListTabStop(not_null<Ui::SideBarButton*> stop) {
 	stop->setFocusPolicy(Qt::TabFocus);
 	_tabStop = stop.get();
 	QWidget::setTabOrder(&_menu, stop.get());
-	QWidget::setTabOrder(stop.get(), _setup.get());
+	const auto favorite = _favorite ? _favorite->entity() : nullptr;
+	if (favorite) {
+		QWidget::setTabOrder(stop.get(), favorite);
+		QWidget::setTabOrder(favorite, _setup.get());
+	} else {
+		QWidget::setTabOrder(stop.get(), _setup.get());
+	}
 }

 bool FiltersMenu::listFocused() const {
@@ -421,6 +430,69 @@ void FiltersMenu::setupList() {
 			}
 		}
 	}, _outer.lifetime());
+
+	base::options::lookup<QString>(kOptionFolderFavoriteLink).changes(
+	) | rpl::on_next([=] {
+		updateFavorite();
+	}, _outer.lifetime());
+	updateFavorite();
+}
+
+void FiltersMenu::updateFavorite() {
+	const auto link = base::options::lookup<QString>(
+		kOptionFolderFavoriteLink).value().trimmed();
+	if (link.isEmpty()) {
+		if (_favorite && _favorite->toggled()) {
+			// Animate out; the finished callback drops it afterwards.
+			_favorite->toggle(false, anim::type::normal);
+		} else if (_favorite) {
+			// Hidden already (e.g. still resolving), so nothing to animate.
+			destroyFavorite();
+		}
+		return;
+	}
+	if (!_favorite) {
+		createFavorite();
+	}
+	const auto button = _favorite->entity();
+	button->setLink(link);
+	if (button->shown() && !_favorite->toggled()) {
+		_favorite->toggle(true, anim::type::normal);
+	}
+}
+
+void FiltersMenu::createFavorite() {
+	_favorite = base::unique_qptr<Ui::SlideWrap<FolderFavoriteButton>>(
+		_container->insert(
+			_container->count() - 1,
+			object_ptr<Ui::SlideWrap<FolderFavoriteButton>>(
+				_container,
+				object_ptr<FolderFavoriteButton>(
+					_container,
+					_session,
+					st::windowFiltersButton))));
+	_favorite->toggle(false, anim::type::instant);
+	_favorite->setFinishedCallback([=] {
+		if (_favorite && !_favorite->toggled()) {
+			destroyFavorite();
+		}
+	});
+	_favorite->entity()->shownValue(
+	) | rpl::on_next([=](bool shown) {
+		if (_favorite && shown) {
+			_favorite->toggle(true, anim::type::normal);
+		}
+	}, _favorite->lifetime());
+}
+
+void FiltersMenu::destroyFavorite() {
+	Ui::PostponeCall(&_outer, [=] {
+		const auto empty = base::options::lookup<QString>(
+			kOptionFolderFavoriteLink).value().trimmed().isEmpty();
+		if (_favorite && !_favorite->toggled() && empty) {
+			_favorite = nullptr;
+		}
+	});
 }

 bool FiltersMenu::premium() const {
@@ -23,11 +23,14 @@ class VerticalLayout;
 class VerticalLayoutReorder;
 enum class FilterIcon : uchar;
 class PopupMenu;
+template <typename Widget>
+class SlideWrap;
 } // namespace Ui

 namespace Window {

 class SessionController;
+class FolderFavoriteButton;

 class FiltersMenu final {
 public:
@@ -40,6 +43,9 @@ private:
 	void setup();
 	void refresh();
 	void setupList();
+	void updateFavorite();
+	void createFavorite();
+	void destroyFavorite();
 	void applyReorder(
 		not_null<Ui::RpWidget*> widget,
 		int oldPosition,
@@ -73,6 +79,7 @@ private:
 	Ui::VerticalLayout *_list = nullptr;
 	std::unique_ptr<Ui::VerticalLayoutReorder> _reorder;
 	base::unique_qptr<Ui::SideBarButton> _setup;
+	base::unique_qptr<Ui::SlideWrap<FolderFavoriteButton>> _favorite;
 	base::flat_map<FilterId, base::unique_qptr<Ui::SideBarButton>> _filters;
 	base::weak_qptr<Ui::SideBarButton> _tabStop;
 	rpl::variable<bool> _includeMuted;
				`@@ -0,0 +1 @@`
				`<svg width="36px" height="36px" viewBox="0 0 36 36" xmlns="http://www.w3.org/2000/svg" fill="none" stroke="#FFFFFF" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M27 18.5c0 3.6-4 6.5-9 6.5a11 11 0 0 1-3-.4L9.5 27l1-3.4A6.3 6.3 0 0 1 9 18.5C9 14.9 13 12 18 12s9 2.9 9 6.5z"/></svg>`
				`@@ -0,0 +1 @@`
				<svg width="36px" height="36px" viewBox="0 0 36 36" xmlns="http://www.w3.org/2000/svg" fill="none" stroke="#FFFFFF" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M26.07 16.06 28.92 16.71 28.92 19.29 26.07 19.94 25.08 22.34 26.64 24.81 24.81 26.64 22.34 25.08 19.94 26.07 19.29 28.92 16.71 28.92 16.06 26.07 13.66 25.08 11.19 26.64 9.36 24.81 10.92 22.34 9.93 19.94 7.08 19.29 7.08 16.71 9.93 16.06 10.92 13.66 9.36 11.19 11.19 9.36 13.66 10.92 16.06 9.93 16.71 7.08 19.29 7.08 19.94 9.93 22.34 10.92 24.81 9.36 26.64 11.19 25.08 13.66Z"/><circle cx="18" cy="18" r="3.6"/></svg>