Add a Delete/Share menu for unofficial languages.

Telegram/SourceFiles/boxes/autolock_box.cpp

@@ -21,17 +21,17 @@ void AutoLockBox::prepare() {
 	auto options = { 60, 300, 3600, 18000 };
 
 	auto group = std::make_shared<Ui::RadiobuttonGroup>(Global::AutoLock());
-	auto y = st::boxOptionListPadding.top() + st::langsButton.margin.top();
+	auto y = st::boxOptionListPadding.top() + st::autolockButton.margin.top();
 	auto count = int(options.size());
 	_options.reserve(count);
 	for (auto seconds : options) {
-		_options.emplace_back(this, group, seconds, (seconds % 3600) ? lng_passcode_autolock_minutes(lt_count, seconds / 60) : lng_passcode_autolock_hours(lt_count, seconds / 3600), st::langsButton);
+		_options.emplace_back(this, group, seconds, (seconds % 3600) ? lng_passcode_autolock_minutes(lt_count, seconds / 60) : lng_passcode_autolock_hours(lt_count, seconds / 3600), st::autolockButton);
 		_options.back()->moveToLeft(st::boxPadding.left() + st::boxOptionListPadding.left(), y);
 		y += _options.back()->heightNoMargins() + st::boxOptionListSkip;
 	}
 	group->setChangedCallback([this](int value) { durationChanged(value); });
 
-	setDimensions(st::langsWidth, st::boxOptionListPadding.top() + count * _options.back()->heightNoMargins() + (count - 1) * st::boxOptionListSkip + st::boxOptionListPadding.bottom() + st::boxPadding.bottom());
+	setDimensions(st::autolockWidth, st::boxOptionListPadding.top() + count * _options.back()->heightNoMargins() + (count - 1) * st::boxOptionListSkip + st::boxOptionListPadding.bottom() + st::boxPadding.bottom());
 }
 
 void AutoLockBox::durationChanged(int seconds) {

Telegram/SourceFiles/boxes/boxes.style

@@ -556,11 +556,15 @@ connectionPasswordInputField: InputField(defaultInputField) {
 }
 connectionIPv6Skip: 11px;
 
-langsWidth: 256px;
-langsButton: Checkbox(defaultBoxCheckbox) {
+autolockWidth: 256px;
+autolockButton: Checkbox(defaultBoxCheckbox) {
 	width: 200px;
 }
 
+langsRadio: Radio(defaultRadio) {
+	bg: boxBg;
+}
+
 backgroundPadding: 10px;
 backgroundSize: size(108px, 193px);
 backgroundScroll: ScrollArea(boxLayerScroll) {

Telegram/SourceFiles/boxes/language_box.cpp

@@ -13,10 +13,12 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/widgets/labels.h"
 #include "ui/widgets/multi_select.h"
 #include "ui/widgets/scroll_area.h"
+#include "ui/widgets/dropdown_menu.h"
 #include "ui/text/text_entity.h"
 #include "ui/wrap/vertical_layout.h"
 #include "ui/wrap/slide_wrap.h"
 #include "ui/effects/ripple_animation.h"
+#include "ui/toast/toast.h"
 #include "ui/text_options.h"
 #include "storage/localstorage.h"
 #include "boxes/confirm_box.h"
@@ -26,7 +28,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "lang/lang_instance.h"
 #include "lang/lang_cloud_manager.h"
 #include "styles/style_boxes.h"
+#include "styles/style_info.h"
 #include "styles/style_passport.h"
+#include "styles/style_chat_helpers.h"
 
 namespace {
 
@@ -35,20 +39,26 @@ using Languages = Lang::CloudManager::Languages;
 
 class Rows : public Ui::RpWidget {
 public:
-	Rows(QWidget *parent, const Languages &data, const QString &chosen);
+	Rows(
+		QWidget *parent,
+		const Languages &data,
+		const QString &chosen,
+		bool areOfficial);
 
 	void filter(const QString &query);
 
 	int count() const;
 	int selected() const;
 	void setSelected(int selected);
-	rpl::producer<int> selections() const;
+	rpl::producer<bool> hasSelection() const;
 
 	void activateSelected();
 	rpl::producer<Language> activations() const;
 
 	Ui::ScrollToRequest rowScrollRequest(int index) const;
 
+	static int DefaultRowHeight();
+
 protected:
 	int resizeGetHeight(int newWidth) override;
 
@@ -66,33 +76,84 @@ private:
 		int top = 0;
 		int height = 0;
 		mutable std::unique_ptr<Ui::RippleAnimation> ripple;
+		mutable std::unique_ptr<Ui::RippleAnimation> menuToggleRipple;
+		bool menuToggleForceRippled = false;
 		int titleHeight = 0;
 		int descriptionHeight = 0;
 		QStringList keywords;
+		std::unique_ptr<Ui::RadioView> check;
+		bool removed = false;
 	};
+	struct RowSelection {
+		int index = 0;
 
-	void updateSelected(int selected);
-	void updatePressed(int pressed);
+		inline bool operator==(const RowSelection &other) const {
+			return (index == other.index);
+		}
+	};
+	struct MenuSelection {
+		int index = 0;
+
+		inline bool operator==(const MenuSelection &other) const {
+			return (index == other.index);
+		}
+	};
+	using Selection = base::optional_variant<RowSelection, MenuSelection>;
+
+	void updateSelected(Selection selected);
+	void updatePressed(Selection pressed);
 	Rows::Row &rowByIndex(int index);
 	const Rows::Row &rowByIndex(int index) const;
+	Rows::Row &rowBySelection(Selection selected);
+	const Rows::Row &rowBySelection(Selection selected) const;
+	std::unique_ptr<Ui::RippleAnimation> &rippleBySelection(
+		Selection selected);
+	const std::unique_ptr<Ui::RippleAnimation> &rippleBySelection(
+		Selection selected) const;
+	std::unique_ptr<Ui::RippleAnimation> &rippleBySelection(
+		not_null<Row*> row,
+		Selection selected);
+	const std::unique_ptr<Ui::RippleAnimation> &rippleBySelection(
+		not_null<const Row*> row,
+		Selection selected) const;
+	void addRipple(Selection selected, QPoint position);
+	void ensureRippleBySelection(Selection selected);
+	void ensureRippleBySelection(not_null<Row*> row, Selection selected);
+	int indexFromSelection(Selection selected) const;
 	int countAvailableWidth() const;
 	int countAvailableWidth(int newWidth) const;
+	QRect menuToggleArea() const;
+	QRect menuToggleArea(not_null<const Row*> row) const;
+	void repaint(Selection selected);
 	void repaint(int index);
 	void repaint(const Row &row);
-	void repaintChecked(not_null<Row*> row);
+	void repaintChecked(not_null<const Row*> row);
 	void activateByIndex(int index);
 
+	void showMenu(int index);
+	void setForceRippled(not_null<Row*> row, bool rippled);
+	bool canShare(not_null<const Row*> row) const;
+	bool canRemove(not_null<const Row*> row) const;
+	bool hasMenu(not_null<const Row*> row) const;
+	void share(not_null<const Row*> row) const;
+	void remove(not_null<Row*> row);
+	void restore(not_null<Row*> row);
+
 	std::vector<Row> _rows;
 	std::vector<not_null<Row*>> _filtered;
-	int _selected = -1;
-	int _pressed = -1;
+	Selection _selected;
+	Selection _pressed;
 	QString _chosen;
 	QStringList _query;
 
+	bool _areOfficial = false;
 	bool _mouseSelection = false;
 	QPoint _globalMousePosition;
+	base::unique_qptr<Ui::DropdownMenu> _menu;
+	int _menuShownIndex = -1;
+	bool _menuOtherEntered = false;
 
-	rpl::event_stream<int> _selections;
+	rpl::event_stream<bool> _hasSelection;
 	rpl::event_stream<Language> _activations;
 
 };
@@ -121,9 +182,14 @@ private:
 
 };
 
-Rows::Rows(QWidget *parent, const Languages &data, const QString &chosen)
+Rows::Rows(
+	QWidget *parent,
+	const Languages &data,
+	const QString &chosen,
+	bool areOfficial)
 : RpWidget(parent)
-, _chosen(chosen) {
+, _chosen(chosen)
+, _areOfficial(areOfficial) {
 	const auto descriptionOptions = TextParseOptions{
 		TextParseMultiline,
 		0,
@@ -134,6 +200,10 @@ Rows::Rows(QWidget *parent, const Languages &data, const QString &chosen)
 	for (const auto &item : data) {
 		_rows.push_back(Row{ item });
 		auto &row = _rows.back();
+		row.check = std::make_unique<Ui::RadioView>(
+			st::langsRadio,
+			(row.data.id == _chosen),
+			[=, row = &row] { repaint(*row); });
 		row.title.setText(
 			st::semiboldTextStyle,
 			item.nativeName,
@@ -152,6 +222,22 @@ Rows::Rows(QWidget *parent, const Languages &data, const QString &chosen)
 
 void Rows::mouseMoveEvent(QMouseEvent *e) {
 	const auto position = e->globalPos();
+	if (_menu) {
+		const auto rect = (_menuShownIndex >= 0)
+			? menuToggleArea(&rowByIndex(_menuShownIndex))
+			: QRect();
+		if (rect.contains(e->pos())) {
+			if (!_menuOtherEntered) {
+				_menuOtherEntered = true;
+				_menu->otherEnter();
+			}
+		} else {
+			if (_menuOtherEntered) {
+				_menuOtherEntered = false;
+				_menu->otherLeave();
+			}
+		}
+	}
 	if (!_mouseSelection && position == _globalMousePosition) {
 		return;
 	}
@@ -170,46 +256,238 @@ void Rows::mouseMoveEvent(QMouseEvent *e) {
 		}
 		return -1;
 	}();
-	updateSelected(index);
+	const auto row = (index >= 0) ? &rowByIndex(index) : nullptr;
+	const auto inMenuToggle = (index >= 0 && hasMenu(row))
+		? menuToggleArea(row).contains(e->pos())
+		: false;
+	if (index < 0) {
+		updateSelected({});
+	} else if (inMenuToggle) {
+		updateSelected(MenuSelection{ index });
+	} else if (!row->removed) {
+		updateSelected(RowSelection{ index });
+	} else {
+		updateSelected({});
+	}
 }
 
 void Rows::mousePressEvent(QMouseEvent *e) {
 	updatePressed(_selected);
-	if (_pressed >= 0) {
-		auto &row = rowByIndex(_pressed);
-		if (!row.ripple) {
-			auto mask = Ui::RippleAnimation::rectMask({
-				width(),
-				row.height
-				});
-			row.ripple = std::make_unique<Ui::RippleAnimation>(
-				st::defaultRippleAnimation,
-				std::move(mask),
-				[=, row = &row] { repaintChecked(row); });
-		}
-		row.ripple->add(e->pos() - QPoint(0, row.top));
+	if (_pressed.has_value()) {
+		addRipple(_pressed, e->pos());
 	}
 }
 
+QRect Rows::menuToggleArea() const {
+	const auto size = st::topBarSearch.width;
+	const auto top = (DefaultRowHeight() - size) / 2;
+	const auto skip = st::boxLayerScroll.width
+		- st::boxLayerScroll.deltax
+		+ top;
+	const auto left = width() - skip - size;
+	return QRect(left, top, size, size);
+}
+
+QRect Rows::menuToggleArea(not_null<const Row*> row) const {
+	return menuToggleArea().translated(0, row->top);
+}
+
+void Rows::addRipple(Selection selected, QPoint position) {
+	Expects(selected.has_value());
+
+	ensureRippleBySelection(selected);
+
+	const auto menu = selected.is<MenuSelection>();
+	const auto &row = rowBySelection(selected);
+	const auto menuArea = menuToggleArea(&row);
+	auto &ripple = rippleBySelection(&row, selected);
+	const auto topleft = menu ? menuArea.topLeft() : QPoint(0, row.top);
+	ripple->add(position - topleft);
+}
+
+void Rows::ensureRippleBySelection(Selection selected) {
+	ensureRippleBySelection(&rowBySelection(selected), selected);
+}
+
+void Rows::ensureRippleBySelection(not_null<Row*> row, Selection selected) {
+	auto &ripple = rippleBySelection(row, _pressed);
+	if (ripple) {
+		return;
+	}
+	const auto menu = selected.is<MenuSelection>();
+	const auto menuArea = menuToggleArea(row);
+	auto mask = menu
+		? Ui::RippleAnimation::ellipseMask(menuArea.size())
+		: Ui::RippleAnimation::rectMask({ width(), row->height });
+	ripple = std::make_unique<Ui::RippleAnimation>(
+		st::defaultRippleAnimation,
+		std::move(mask),
+		[=] { repaintChecked(row); });
+}
+
 void Rows::mouseReleaseEvent(QMouseEvent *e) {
 	const auto pressed = _pressed;
-	updatePressed(-1);
-	if (pressed == _selected && pressed >= 0) {
-		activateByIndex(_selected);
+	updatePressed({});
+	if (pressed == _selected) {
+		pressed.match([&](RowSelection data) {
+			activateByIndex(data.index);
+		}, [&](MenuSelection data) {
+			showMenu(data.index);
+		}, [](std::nullopt_t) {});
 	}
 }
 
+bool Rows::canShare(not_null<const Row*> row) const {
+	return !_areOfficial && !row->data.id.startsWith('#');
+}
+
+bool Rows::canRemove(not_null<const Row*> row) const {
+	return !_areOfficial && !row->check->checked();
+}
+
+bool Rows::hasMenu(not_null<const Row*> row) const {
+	return canShare(row) || canRemove(row);
+}
+
+void Rows::share(not_null<const Row*> row) const {
+	const auto link = qsl("https://t.me/setlanguage/") + row->data.id;
+	QApplication::clipboard()->setText(link);
+	Ui::Toast::Show(lang(lng_username_copied));
+}
+
+void Rows::remove(not_null<Row*> row) {
+	row->removed = true;
+	Local::removeRecentLanguage(row->data.id);
+}
+
+void Rows::restore(not_null<Row*> row) {
+	row->removed = false;
+	Local::saveRecentLanguages(ranges::view::all(
+		_rows
+	) | ranges::view::filter([](const Row &row) {
+		return !row.removed;
+	}) | ranges::view::transform([](const Row &row) {
+		return row.data;
+	}) | ranges::to_vector);
+}
+
+void Rows::showMenu(int index) {
+	const auto row = &rowByIndex(index);
+	if (_menu || !hasMenu(row)) {
+		return;
+	}
+	_menu = base::make_unique_q<Ui::DropdownMenu>(window());
+	const auto weak = _menu.get();
+	_menu->setHiddenCallback([=] {
+		weak->deleteLater();
+		if (_menu == weak) {
+			setForceRippled(row, false);
+			_menuShownIndex = -1;
+		}
+	});
+	_menu->setShowStartCallback([=] {
+		if (_menu == weak) {
+			setForceRippled(row, true);
+			_menuShownIndex = index;
+		}
+	});
+	_menu->setHideStartCallback([=] {
+		if (_menu == weak) {
+			setForceRippled(row, false);
+			_menuShownIndex = -1;
+		}
+	});
+	const auto addAction = [&](
+			const QString &text,
+			Fn<void()> callback) {
+		return _menu->addAction(text, std::move(callback));
+	};
+	const auto id = row->data.id;
+	if (canShare(row)) {
+		addAction(lang(lng_proxy_edit_share), [=] { share(row); });
+	}
+	if (canRemove(row)) {
+		if (row->removed) {
+			addAction(lang(lng_proxy_menu_restore), [=] {
+				restore(row);
+			});
+		} else {
+			addAction(lang(lng_proxy_menu_delete), [=] {
+				remove(row);
+			});
+		}
+	}
+	const auto toggle = menuToggleArea(row);
+	const auto parentTopLeft = window()->mapToGlobal({ 0, 0 });
+	const auto buttonTopLeft = mapToGlobal(toggle.topLeft());
+	const auto parent = QRect(parentTopLeft, window()->size());
+	const auto button = QRect(buttonTopLeft, toggle.size());
+	const auto bottom = button.y()
+		+ st::proxyDropdownDownPosition.y()
+		+ _menu->height()
+		- parent.y();
+	const auto top = button.y()
+		+ st::proxyDropdownUpPosition.y()
+		- _menu->height()
+		- parent.y();
+	_menuShownIndex = index;
+	_menuOtherEntered = true;
+	if (bottom > parent.height() && top >= 0) {
+		const auto left = button.x()
+			+ button.width()
+			+ st::proxyDropdownUpPosition.x()
+			- _menu->width()
+			- parent.x();
+		_menu->move(left, top);
+		_menu->showAnimated(Ui::PanelAnimation::Origin::BottomRight);
+	} else {
+		const auto left = button.x()
+			+ button.width()
+			+ st::proxyDropdownDownPosition.x()
+			- _menu->width()
+			- parent.x();
+		_menu->move(left, bottom - _menu->height());
+		_menu->showAnimated(Ui::PanelAnimation::Origin::TopRight);
+	}
+}
+
+void Rows::setForceRippled(not_null<Row*> row, bool rippled) {
+	if (row->menuToggleForceRippled != rippled) {
+		row->menuToggleForceRippled = rippled;
+		auto &ripple = rippleBySelection(row, MenuSelection{});
+		if (row->menuToggleForceRippled) {
+			ensureRippleBySelection(row, MenuSelection{});
+			if (ripple->empty()) {
+				ripple->addFading();
+			} else {
+				ripple->lastUnstop();
+			}
+		} else {
+			if (ripple) {
+				ripple->lastStop();
+			}
+		}
+	}
+	repaint(*row);
+}
+
 void Rows::activateByIndex(int index) {
 	_activations.fire_copy(rowByIndex(index).data);
 }
 
 void Rows::leaveEventHook(QEvent *e) {
-	updateSelected(-1);
+	updateSelected({});
+	if (_menu && _menuOtherEntered) {
+		_menuOtherEntered = false;
+		_menu->otherLeave();
+	}
 }
 
 void Rows::filter(const QString &query) {
-	updateSelected(-1);
-	updatePressed(-1);
+	updateSelected({});
+	updatePressed({});
+	_menu = nullptr;
+	_menuShownIndex = -1;
 
 	_query = TextUtilities::PrepareSearchWords(query);
 
@@ -254,9 +532,18 @@ int Rows::count() const {
 	return _query.isEmpty() ? _rows.size() : _filtered.size();
 }
 
+int Rows::indexFromSelection(Selection selected) const {
+	return selected.match([&](RowSelection data) {
+		return data.index;
+	}, [&](MenuSelection data) {
+		return data.index;
+	}, [](std::nullopt_t) {
+		return -1;
+	});
+}
+
 int Rows::selected() const {
-	const auto limit = count();
-	return (_selected >= 0 && _selected < limit) ? _selected : -1;
+	return indexFromSelection(_selected);
 }
 
 void Rows::activateSelected() {
@@ -273,11 +560,22 @@ rpl::producer<Language> Rows::activations() const {
 void Rows::setSelected(int selected) {
 	_mouseSelection = false;
 	const auto limit = count();
-	updateSelected((selected >= 0 && selected < limit) ? selected : -1);
+	if (selected >= 0 && selected < limit) {
+		updateSelected(RowSelection{ selected });
+	} else {
+		updateSelected({});
+	}
 }
 
-rpl::producer<int> Rows::selections() const {
-	return _selections.events();
+rpl::producer<bool> Rows::hasSelection() const {
+	return _hasSelection.events();
+}
+
+void Rows::repaint(Selection selected) {
+	selected.match([](std::nullopt_t) {
+	}, [&](const auto &data) {
+		repaint(data.index);
+	});
 }
 
 void Rows::repaint(int index) {
@@ -290,23 +588,26 @@ void Rows::repaint(const Row &row) {
 	update(0, row.top, width(), row.height);
 }
 
-void Rows::repaintChecked(not_null<Row*> row) {
+void Rows::repaintChecked(not_null<const Row*> row) {
 	const auto found = (ranges::find(_filtered, row) != end(_filtered));
 	if (_query.isEmpty() || found) {
 		repaint(*row);
 	}
 }
 
-void Rows::updateSelected(int selected) {
+void Rows::updateSelected(Selection selected) {
+	const auto changed = (_selected.has_value() != selected.has_value());
 	repaint(_selected);
 	_selected = selected;
 	repaint(_selected);
-	_selections.fire_copy(_selected);
+	if (changed) {
+		_hasSelection.fire(_selected.has_value());
+	}
 }
 
-void Rows::updatePressed(int pressed) {
-	if (_pressed >= 0) {
-		if (const auto ripple = rowByIndex(_pressed).ripple.get()) {
+void Rows::updatePressed(Selection pressed) {
+	if (_pressed.has_value()) {
+		if (const auto ripple = rippleBySelection(_pressed).get()) {
 			ripple->lastStop();
 		}
 	}
@@ -325,11 +626,53 @@ const Rows::Row &Rows::rowByIndex(int index) const {
 	return _query.isEmpty() ? _rows[index] : *_filtered[index];
 }
 
+Rows::Row &Rows::rowBySelection(Selection selected) {
+	return rowByIndex(indexFromSelection(selected));
+}
+
+const Rows::Row &Rows::rowBySelection(Selection selected) const {
+	return rowByIndex(indexFromSelection(selected));
+}
+
+std::unique_ptr<Ui::RippleAnimation> &Rows::rippleBySelection(
+		Selection selected) {
+	return rippleBySelection(&rowBySelection(selected), selected);
+}
+
+const std::unique_ptr<Ui::RippleAnimation> &Rows::rippleBySelection(
+		Selection selected) const {
+	return rippleBySelection(&rowBySelection(selected), selected);
+}
+
+std::unique_ptr<Ui::RippleAnimation> &Rows::rippleBySelection(
+		not_null<Row*> row,
+		Selection selected) {
+	return selected.is<MenuSelection>()
+		? row->menuToggleRipple
+		: row->ripple;
+}
+
+const std::unique_ptr<Ui::RippleAnimation> &Rows::rippleBySelection(
+		not_null<const Row*> row,
+		Selection selected) const {
+	return const_cast<Rows*>(this)->rippleBySelection(
+		const_cast<Row*>(row.get()),
+		selected);
+}
+
 Ui::ScrollToRequest Rows::rowScrollRequest(int index) const {
 	const auto &row = rowByIndex(index);
 	return Ui::ScrollToRequest(row.top, row.top + row.height);
 }
 
+int Rows::DefaultRowHeight() {
+	return st::passportRowPadding.top()
+		+ st::semiboldFont->height
+		+ st::passportRowSkip
+		+ st::normalFont->height
+		+ st::passportRowPadding.bottom();
+}
+
 int Rows::resizeGetHeight(int newWidth) {
 	const auto availableWidth = countAvailableWidth(newWidth);
 	auto result = 0;
@@ -349,10 +692,12 @@ int Rows::resizeGetHeight(int newWidth) {
 }
 
 int Rows::countAvailableWidth(int newWidth) const {
+	const auto right = width() - menuToggleArea().x();
 	return newWidth
 		- st::passportRowPadding.left()
-		- st::passportRowPadding.right()
-		- st::passportRowReadyIcon.width()
+		- st::langsRadio.diameter
+		- st::passportRowPadding.left()
+		- right
 		- st::passportRowIconSkip;
 }
 
@@ -366,8 +711,15 @@ void Rows::paintEvent(QPaintEvent *e) {
 	const auto ms = getms();
 	const auto clip = e->rect();
 
-	const auto left = st::passportRowPadding.left();
+	const auto checkLeft = st::passportRowPadding.left();
+	const auto left = checkLeft
+		+ st::langsRadio.diameter
+		+ st::passportRowPadding.left();
 	const auto availableWidth = countAvailableWidth();
+	const auto menu = menuToggleArea();
+	const auto selectedIndex = (_menuShownIndex >= 0)
+		? _menuShownIndex
+		: indexFromSelection(_pressed.has_value() ? _pressed : _selected);
 	for (auto i = 0, till = count(); i != till; ++i) {
 		const auto &row = rowByIndex(i);
 		if (row.top + row.height <= clip.y()) {
@@ -375,11 +727,12 @@ void Rows::paintEvent(QPaintEvent *e) {
 		} else if (row.top >= clip.y() + clip.height()) {
 			break;
 		}
+		p.setOpacity(row.removed ? st::stickersRowDisabledOpacity : 1.);
 		p.translate(0, row.top);
 		const auto guard = gsl::finally([&] { p.translate(0, -row.top); });
 
-		const auto selected = (_selected == i);
-		if (selected) {
+		const auto selected = (selectedIndex == i);
+		if (selected && !row.removed) {
 			p.fillRect(0, 0, width(), row.height, st::windowBgOver);
 		}
 
@@ -390,6 +743,9 @@ void Rows::paintEvent(QPaintEvent *e) {
 			}
 		}
 
+		const auto checkTop = (row.height - st::defaultRadio.diameter) / 2;
+		row.check->paint(p, checkLeft, checkTop, width(), ms);
+
 		auto top = st::passportRowPadding.top();
 
 		p.setPen(st::passportRowTitleFg);
@@ -400,13 +756,23 @@ void Rows::paintEvent(QPaintEvent *e) {
 		row.description.drawLeft(p, left, top, availableWidth, width());
 		top += row.descriptionHeight + st::passportRowPadding.bottom();
 
-		if (row.data.id == _chosen) {
-			const auto &icon = st::passportRowReadyIcon;
-			icon.paint(
-				p,
-				width() - st::passportRowPadding.right() - icon.width(),
-				(row.height - icon.height()) / 2,
-				width());
+		if (hasMenu(&row)) {
+			p.setOpacity(1.);
+			if (selected && row.removed) {
+				PainterHighQualityEnabler hq(p);
+				p.setPen(Qt::NoPen);
+				p.setBrush(st::windowBgOver);
+				p.drawEllipse(menu);
+			}
+			if (row.menuToggleRipple) {
+				row.menuToggleRipple->paint(p, menu.x(), menu.y(), width(), ms);
+				if (row.menuToggleRipple->empty()) {
+					row.menuToggleRipple.reset();
+				}
+			}
+			(selected
+				? st::topBarMenuToggle.iconOver
+				: st::topBarMenuToggle.icon).paintInCenter(p, menu);
 		}
 	}
 }
@@ -435,11 +801,12 @@ void Content::setupContent(
 	const auto main = container->add(object_ptr<Rows>(
 		container,
 		official,
-		current));
+		current,
+		true));
 	container->add(object_ptr<Ui::FixedHeightWidget>(
 		container,
 		st::boxVerticalMargin));
-	const auto additional = !unofficial.isEmpty()
+	const auto additional = !unofficial.empty()
 		? content->add(object_ptr<Ui::SlideWrap<Ui::VerticalLayout>>(
 			content,
 			object_ptr<Ui::VerticalLayout>(content)))
@@ -459,7 +826,7 @@ void Content::setupContent(
 			st::passportFormHeaderPadding)
 		: nullptr;
 	const auto other = inner
-		? inner->add(object_ptr<Rows>(inner, unofficial, current))
+		? inner->add(object_ptr<Rows>(inner, unofficial, current, false))
 		: nullptr;
 	if (inner) {
 		inner->add(object_ptr<Ui::FixedHeightWidget>(
@@ -493,9 +860,9 @@ void Content::setupContent(
 		}, divider->lifetime());
 
 		const auto excludeSelections = [](Rows *a, Rows *b) {
-			a->selections(
+			a->hasSelection(
 			) | rpl::filter(
-				_1 >= 0
+				_1
 			) | rpl::start_with_next([=] {
 				b->setSelected(-1);
 			}, a->lifetime());
@@ -616,8 +983,8 @@ void LanguageBox::prepare() {
 
 	const auto current = Lang::LanguageIdOrDefault(Lang::Current().id());
 	auto official = Lang::CurrentCloudManager().languageList();
-	if (official.isEmpty()) {
-		official.push_back({ "en", "English", "English" });
+	if (official.empty()) {
+		official.push_back({ "en", {}, {}, "English", "English" });
 	}
 	ranges::stable_partition(official, [&](const Language &language) {
 		return (language.id == current);
@@ -635,12 +1002,12 @@ void LanguageBox::prepare() {
 		ranges::remove_if(
 			unofficial,
 			foundInOfficial),
-		unofficial.end());
+		end(unofficial));
 	ranges::stable_partition(unofficial, [&](const Language &language) {
 		return (language.id == current);
 	});
 	if (official.front().id != current
-		&& (unofficial.isEmpty() || unofficial.front().id != current)) {
+		&& (unofficial.empty() || unofficial.front().id != current)) {
 		const auto name = (current == "#custom")
 			? "Custom lang pack"
 			: lang(lng_language_name);
@@ -659,7 +1026,7 @@ void LanguageBox::prepare() {
 		object_ptr<Content>(this, official, unofficial),
 		st::boxLayerScroll,
 		select->height());
-	inner->resizeToWidth(st::langsWidth);
+	inner->resizeToWidth(st::boxWidth);
 
 	const auto max = lifetime().make_state<int>(0);
 	rpl::combine(
@@ -668,7 +1035,7 @@ void LanguageBox::prepare() {
 		_1 + _2
 	) | rpl::start_with_next([=](int height) {
 		accumulate_max(*max, height);
-		setDimensions(st::langsWidth, qMin(*max, st::boxMaxListHeight));
+		setDimensions(st::boxWidth, qMin(*max, st::boxMaxListHeight));
 	}, inner->lifetime());
 
 	select->setSubmittedCallback([=](Qt::KeyboardModifiers) {
@@ -721,12 +1088,7 @@ void LanguageBox::keyPressEvent(QKeyEvent *e) {
 }
 
 int LanguageBox::rowsInPage() const {
-	const auto rowHeight = st::passportRowPadding.top()
-		+ st::semiboldFont->height
-		+ st::passportRowSkip
-		+ st::normalFont->height
-		+ st::passportRowPadding.bottom();
-	return std::max(height() / rowHeight, 1);
+	return std::max(height() / Rows::DefaultRowHeight(), 1);
 }
 
 void LanguageBox::setInnerFocus() {
@@ -738,7 +1100,7 @@ not_null<Ui::MultiSelect*> LanguageBox::createMultiSelect() {
 		this,
 		st::contactsMultiSelect,
 		langFactory(lng_participant_filter));
-	result->resizeToWidth(st::langsWidth);
+	result->resizeToWidth(st::boxWidth);
 	result->moveToLeft(0, 0);
 	return result;
 }
@@ -747,7 +1109,7 @@ base::binary_guard LanguageBox::Show() {
 	auto result = base::binary_guard();
 
 	const auto manager = Messenger::Instance().langCloudManager();
-	if (manager->languageList().isEmpty()) {
+	if (manager->languageList().empty()) {
 		auto guard = std::make_shared<base::binary_guard>();
 		std::tie(result, *guard) = base::make_binary_guard();
 		auto alive = std::make_shared<std::unique_ptr<base::Subscription>>(

Telegram/SourceFiles/boxes/self_destruction_box.cpp

@@ -67,7 +67,7 @@ void SelfDestructionBox::showContent() {
 			_ttlGroup,
 			value,
 			DaysLabel(value),
-			st::langsButton);
+			st::autolockButton);
 		button->moveToLeft(st::boxPadding.left(), y);
 		y += button->heightNoMargins() + st::boxOptionListSkip;
 	}

Telegram/SourceFiles/lang/lang_cloud_manager.h

@@ -32,10 +32,10 @@ class CloudManager : public base::has_weak_ptr, private MTP::Sender, private bas
 public:
 	CloudManager(Instance &langpack, not_null<MTP::Instance*> mtproto);
 
-	using Languages = QVector<Language>;
+	using Languages = std::vector<Language>;
 
 	void requestLanguageList();
-	Languages languageList() const {
+	const Languages &languageList() const {
 		return _languages;
 	}
 	base::Observable<void> &languageListChanged() {

Telegram/SourceFiles/storage/localstorage.cpp

@@ -4131,17 +4131,15 @@ void writeLangPack() {
 	file.writeEncrypted(data, SettingsKey);
 }
 
-void pushRecentLanguage(const Lang::Language &language) {
-	if (language.id.startsWith('#')) {
+void saveRecentLanguages(const std::vector<Lang::Language> &list) {
+	if (list.empty()) {
+		if (_languagesKey) {
+			clearKey(_languagesKey, FileOption::Safe);
+			_languagesKey = 0;
+			writeSettings();
+		}
 		return;
 	}
-	auto list = readRecentLanguages();
-	list.erase(
-		ranges::remove_if(
-			list,
-			[&](const Lang::Language &v) { return (v.id == language.id); }),
-		list.end());
-	list.insert(list.begin(), language);
 
 	auto size = sizeof(qint32);
 	for (const auto &language : list) {
@@ -4171,7 +4169,33 @@ void pushRecentLanguage(const Lang::Language &language) {
 	file.writeEncrypted(data, SettingsKey);
 }
 
-QVector<Lang::Language> readRecentLanguages() {
+void pushRecentLanguage(const Lang::Language &language) {
+	if (language.id.startsWith('#')) {
+		return;
+	}
+	auto list = readRecentLanguages();
+	list.erase(
+		ranges::remove_if(
+			list,
+			[&](const Lang::Language &v) { return (v.id == language.id); }),
+		end(list));
+	list.insert(list.begin(), language);
+
+	saveRecentLanguages(list);
+}
+
+void removeRecentLanguage(const QString &id) {
+	auto list = readRecentLanguages();
+	list.erase(
+		ranges::remove_if(
+			list,
+			[&](const Lang::Language &v) { return (v.id == id); }),
+		end(list));
+
+	saveRecentLanguages(list);
+}
+
+std::vector<Lang::Language> readRecentLanguages() {
 	FileReadDescriptor languages;
 	if (!_languagesKey || !readEncryptedFile(languages, _languagesKey, FileOption::Safe, SettingsKey)) {
 		return {};
@@ -4181,7 +4205,7 @@ QVector<Lang::Language> readRecentLanguages() {
 	if (count <= 0) {
 		return {};
 	}
-	auto result = QVector<Lang::Language>();
+	auto result = std::vector<Lang::Language>();
 	result.reserve(count);
 	for (auto i = 0; i != count; ++i) {
 		auto language = Lang::Language();

Telegram/SourceFiles/storage/localstorage.h

@@ -146,7 +146,9 @@ Window::Theme::Saved readThemeAfterSwitch();
 
 void writeLangPack();
 void pushRecentLanguage(const Lang::Language &language);
-QVector<Lang::Language> readRecentLanguages();
+std::vector<Lang::Language> readRecentLanguages();
+void saveRecentLanguages(const std::vector<Lang::Language> &list);
+void removeRecentLanguage(const QString &id);
 
 void writeRecentHashtagsAndBots();
 void readRecentHashtagsAndBots();

Telegram/SourceFiles/window/themes/window_theme.cpp

@@ -22,6 +22,7 @@ namespace {
 
 constexpr auto kThemeFileSizeLimit = 5 * 1024 * 1024;
 constexpr auto kThemeBackgroundSizeLimit = 4 * 1024 * 1024;
+constexpr auto kBackgroundSizeLimit = 25 * 1024 * 1024;
 constexpr auto kThemeSchemeSizeLimit = 1024 * 1024;
 constexpr auto kMinimumTiledSize = 512;
 constexpr auto kNightThemeFile = str_const(":/gui/night.tdesktop-theme");
@@ -291,12 +292,20 @@ bool loadTheme(const QByteArray &content, Cached &cache, Instance *out = nullptr
 		}
 
 		if (!backgroundContent.isEmpty()) {
+			auto check = QBuffer(&backgroundContent);
+			auto reader = QImageReader(&check);
+			const auto size = reader.size();
+			if (size.isEmpty()
+				|| (size.width() * size.height() > kBackgroundSizeLimit)) {
+				LOG(("Theme Error: bad background image size in the theme file."));
+				return false;
+			}
 			auto background = App::readImage(backgroundContent);
 			if (background.isNull()) {
 				LOG(("Theme Error: could not read background image in the theme file."));
 				return false;
 			}
-			QBuffer buffer(&cache.background);
+			auto buffer = QBuffer(&cache.background);
 			if (!background.save(&buffer, "BMP")) {
 				LOG(("Theme Error: could not write background image as a BMP to cache."));
 				return false;