diff --git a/Telegram/CMakeLists.txt b/Telegram/CMakeLists.txt
index 0bc675b105..926cfe8f7c 100644
--- a/Telegram/CMakeLists.txt
+++ b/Telegram/CMakeLists.txt
@@ -217,6 +217,8 @@ PRIVATE
     boxes/language_box.h
     boxes/local_storage_box.cpp
     boxes/local_storage_box.h
+    boxes/max_invite_box.cpp
+    boxes/max_invite_box.h
     boxes/mute_settings_box.cpp
     boxes/mute_settings_box.h
     boxes/peer_list_box.cpp
diff --git a/Telegram/SourceFiles/boxes/confirm_box.cpp b/Telegram/SourceFiles/boxes/confirm_box.cpp
index 21782d589a..ed51835206 100644
--- a/Telegram/SourceFiles/boxes/confirm_box.cpp
+++ b/Telegram/SourceFiles/boxes/confirm_box.cpp
@@ -357,90 +357,6 @@ InformBox::InformBox(QWidget*, const TextWithEntities &text, Fn<void()> closedCa
 InformBox::InformBox(QWidget*, const TextWithEntities &text, const QString &doneText, Fn<void()> closedCallback) : ConfirmBox(ConfirmBox::InformBoxTag(), text, doneText, std::move(closedCallback)) {
 }
 
-MaxInviteBox::MaxInviteBox(QWidget*, not_null<ChannelData*> channel) : BoxContent()
-, _channel(channel)
-, _text(
-	st::boxLabelStyle,
-	tr::lng_participant_invite_sorry(
-		tr::now,
-		lt_count,
-		channel->session().serverConfig().chatSizeMax),
-	kInformBoxTextOptions,
-	(st::boxWidth
-		- st::boxPadding.left()
-		- st::defaultBox.buttonPadding.right())) {
-}
-
-void MaxInviteBox::prepare() {
-	setMouseTracking(true);
-
-	addButton(tr::lng_box_ok(), [=] { closeBox(); });
-
-	_textWidth = st::boxWidth - st::boxPadding.left() - st::defaultBox.buttonPadding.right();
-	_textHeight = qMin(_text.countHeight(_textWidth), 16 * st::boxLabelStyle.lineHeight);
-	setDimensions(st::boxWidth, st::boxPadding.top() + _textHeight + st::boxTextFont->height + st::boxTextFont->height * 2 + st::newGroupLinkPadding.bottom());
-
-	_channel->session().changes().peerUpdates(
-		_channel,
-		Data::PeerUpdate::Flag::InviteLinks
-	) | rpl::start_with_next([=] {
-		rtlupdate(_invitationLink);
-	}, lifetime());
-}
-
-void MaxInviteBox::mouseMoveEvent(QMouseEvent *e) {
-	updateSelected(e->globalPos());
-}
-
-void MaxInviteBox::mousePressEvent(QMouseEvent *e) {
-	mouseMoveEvent(e);
-	if (_linkOver) {
-		if (_channel->inviteLink().isEmpty()) {
-			_channel->session().api().inviteLinks().create(_channel);
-		} else {
-			QGuiApplication::clipboard()->setText(_channel->inviteLink());
-			Ui::Toast::Show(tr::lng_create_channel_link_copied(tr::now));
-		}
-	}
-}
-
-void MaxInviteBox::leaveEventHook(QEvent *e) {
-	updateSelected(QCursor::pos());
-}
-
-void MaxInviteBox::updateSelected(const QPoint &cursorGlobalPosition) {
-	QPoint p(mapFromGlobal(cursorGlobalPosition));
-
-	bool linkOver = _invitationLink.contains(p);
-	if (linkOver != _linkOver) {
-		_linkOver = linkOver;
-		update();
-		setCursor(_linkOver ? style::cur_pointer : style::cur_default);
-	}
-}
-
-void MaxInviteBox::paintEvent(QPaintEvent *e) {
-	BoxContent::paintEvent(e);
-
-	Painter p(this);
-
-	// draw box title / text
-	p.setPen(st::boxTextFg);
-	_text.drawLeftElided(p, st::boxPadding.left(), st::boxPadding.top(), _textWidth, width(), 16, style::al_left);
-
-	QTextOption option(style::al_left);
-	option.setWrapMode(QTextOption::WrapAnywhere);
-	p.setFont(_linkOver ? st::defaultInputField.font->underline() : st::defaultInputField.font);
-	p.setPen(st::defaultLinkButton.color);
-	auto inviteLinkText = _channel->inviteLink().isEmpty() ? tr::lng_group_invite_create(tr::now) : _channel->inviteLink();
-	p.drawText(_invitationLink, inviteLinkText, option);
-}
-
-void MaxInviteBox::resizeEvent(QResizeEvent *e) {
-	BoxContent::resizeEvent(e);
-	_invitationLink = myrtlrect(st::boxPadding.left(), st::boxPadding.top() + _textHeight + st::boxTextFont->height, width() - st::boxPadding.left() - st::boxPadding.right(), 2 * st::boxTextFont->height);
-}
-
 ConfirmDontWarnBox::ConfirmDontWarnBox(
 	QWidget*,
 	rpl::producer<TextWithEntities> text,
diff --git a/Telegram/SourceFiles/boxes/confirm_box.h b/Telegram/SourceFiles/boxes/confirm_box.h
index ca038a3955..dd04a0744a 100644
--- a/Telegram/SourceFiles/boxes/confirm_box.h
+++ b/Telegram/SourceFiles/boxes/confirm_box.h
@@ -141,34 +141,6 @@ public:
 
 };
 
-class MaxInviteBox final : public Ui::BoxContent {
-public:
-	MaxInviteBox(QWidget*, not_null<ChannelData*> channel);
-
-protected:
-	void prepare() override;
-
-	void paintEvent(QPaintEvent *e) override;
-	void resizeEvent(QResizeEvent *e) override;
-	void mouseMoveEvent(QMouseEvent *e) override;
-	void mousePressEvent(QMouseEvent *e) override;
-	void leaveEventHook(QEvent *e) override;
-
-private:
-	void updateSelected(const QPoint &cursorGlobalPosition);
-
-	not_null<ChannelData*> _channel;
-
-	Ui::Text::String _text;
-	int32 _textWidth, _textHeight;
-
-	QRect _invitationLink;
-	bool _linkOver = false;
-
-	QPoint _lastMousePos;
-
-};
-
 class ConfirmDontWarnBox : public Ui::BoxContent {
 public:
 	ConfirmDontWarnBox(
diff --git a/Telegram/SourceFiles/boxes/max_invite_box.cpp b/Telegram/SourceFiles/boxes/max_invite_box.cpp
new file mode 100644
index 0000000000..190a5e8927
--- /dev/null
+++ b/Telegram/SourceFiles/boxes/max_invite_box.cpp
@@ -0,0 +1,148 @@
+/*
+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 "boxes/max_invite_box.h"
+
+#include "api/api_invite_links.h"
+#include "apiwrap.h"
+#include "data/data_changes.h"
+#include "data/data_channel.h"
+#include "lang/lang_keys.h"
+#include "main/main_session.h"
+#include "mtproto/mtproto_config.h"
+#include "ui/layers/generic_box.h"
+#include "ui/text/text_utilities.h"
+#include "ui/toast/toast.h"
+#include "styles/style_layers.h"
+#include "styles/style_boxes.h"
+
+#include <QtGui/QGuiApplication>
+#include <QtGui/QClipboard>
+
+namespace {
+
+TextParseOptions kInformBoxTextOptions = {
+	(TextParseLinks
+		| TextParseMultiline
+		| TextParseMarkdown
+		| TextParseRichText), // flags
+	0, // maxw
+	0, // maxh
+	Qt::LayoutDirectionAuto, // dir
+};
+
+} // namespace
+
+MaxInviteBox::MaxInviteBox(QWidget*, not_null<ChannelData*> channel)
+: BoxContent()
+, _channel(channel)
+, _text(
+	st::boxLabelStyle,
+	tr::lng_participant_invite_sorry(
+		tr::now,
+		lt_count,
+		channel->session().serverConfig().chatSizeMax),
+	kInformBoxTextOptions,
+	(st::boxWidth
+		- st::boxPadding.left()
+		- st::defaultBox.buttonPadding.right())) {
+}
+
+void MaxInviteBox::prepare() {
+	setMouseTracking(true);
+
+	addButton(tr::lng_box_ok(), [=] { closeBox(); });
+
+	_textWidth = st::boxWidth
+		- st::boxPadding.left()
+		- st::defaultBox.buttonPadding.right();
+	_textHeight = std::min(
+		_text.countHeight(_textWidth),
+		16 * st::boxLabelStyle.lineHeight);
+	setDimensions(
+		st::boxWidth,
+		st::boxPadding.top()
+			+ _textHeight
+			+ st::boxTextFont->height
+			+ st::boxTextFont->height * 2
+			+ st::newGroupLinkPadding.bottom());
+
+	_channel->session().changes().peerUpdates(
+		_channel,
+		Data::PeerUpdate::Flag::InviteLinks
+	) | rpl::start_with_next([=] {
+		rtlupdate(_invitationLink);
+	}, lifetime());
+}
+
+void MaxInviteBox::mouseMoveEvent(QMouseEvent *e) {
+	updateSelected(e->globalPos());
+}
+
+void MaxInviteBox::mousePressEvent(QMouseEvent *e) {
+	mouseMoveEvent(e);
+	if (_linkOver) {
+		if (_channel->inviteLink().isEmpty()) {
+			_channel->session().api().inviteLinks().create(_channel);
+		} else {
+			QGuiApplication::clipboard()->setText(_channel->inviteLink());
+			Ui::Toast::Show(tr::lng_create_channel_link_copied(tr::now));
+		}
+	}
+}
+
+void MaxInviteBox::leaveEventHook(QEvent *e) {
+	updateSelected(QCursor::pos());
+}
+
+void MaxInviteBox::updateSelected(const QPoint &cursorGlobalPosition) {
+	const auto p = QPoint(mapFromGlobal(cursorGlobalPosition));
+
+	const auto linkOver = _invitationLink.contains(p);
+	if (linkOver != _linkOver) {
+		_linkOver = linkOver;
+		update();
+		setCursor(_linkOver ? style::cur_pointer : style::cur_default);
+	}
+}
+
+void MaxInviteBox::paintEvent(QPaintEvent *e) {
+	BoxContent::paintEvent(e);
+
+	Painter p(this);
+
+	// draw box title / text
+	p.setPen(st::boxTextFg);
+	_text.drawLeftElided(
+		p,
+		st::boxPadding.left(),
+		st::boxPadding.top(),
+		_textWidth,
+		width(),
+		16,
+		style::al_left);
+
+	auto option = QTextOption(style::al_left);
+	option.setWrapMode(QTextOption::WrapAnywhere);
+	p.setFont(_linkOver
+		? st::defaultInputField.font->underline()
+		: st::defaultInputField.font);
+	p.setPen(st::defaultLinkButton.color);
+	const auto inviteLinkText = _channel->inviteLink().isEmpty()
+		? tr::lng_group_invite_create(tr::now)
+		: _channel->inviteLink();
+	p.drawText(_invitationLink, inviteLinkText, option);
+}
+
+void MaxInviteBox::resizeEvent(QResizeEvent *e) {
+	BoxContent::resizeEvent(e);
+	_invitationLink = myrtlrect(
+		st::boxPadding.left(),
+		st::boxPadding.top() + _textHeight + st::boxTextFont->height,
+		width() - st::boxPadding.left() - st::boxPadding.right(),
+		2 * st::boxTextFont->height);
+}
diff --git a/Telegram/SourceFiles/boxes/max_invite_box.h b/Telegram/SourceFiles/boxes/max_invite_box.h
new file mode 100644
index 0000000000..0bc9a5f691
--- /dev/null
+++ b/Telegram/SourceFiles/boxes/max_invite_box.h
@@ -0,0 +1,38 @@
+/*
+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 "boxes/abstract_box.h"
+
+class MaxInviteBox final : public Ui::BoxContent {
+public:
+	MaxInviteBox(QWidget*, not_null<ChannelData*> channel);
+
+protected:
+	void prepare() override;
+
+	void paintEvent(QPaintEvent *e) override;
+	void resizeEvent(QResizeEvent *e) override;
+	void mouseMoveEvent(QMouseEvent *e) override;
+	void mousePressEvent(QMouseEvent *e) override;
+	void leaveEventHook(QEvent *e) override;
+
+private:
+	void updateSelected(const QPoint &cursorGlobalPosition);
+
+	not_null<ChannelData*> _channel;
+
+	Ui::Text::String _text;
+	int32 _textWidth, _textHeight;
+
+	QRect _invitationLink;
+	bool _linkOver = false;
+
+	QPoint _lastMousePos;
+
+};
diff --git a/Telegram/SourceFiles/boxes/peers/add_participants_box.cpp b/Telegram/SourceFiles/boxes/peers/add_participants_box.cpp
index 06e079b898..610c42b42b 100644
--- a/Telegram/SourceFiles/boxes/peers/add_participants_box.cpp
+++ b/Telegram/SourceFiles/boxes/peers/add_participants_box.cpp
@@ -10,6 +10,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "boxes/peers/edit_participant_box.h"
 #include "boxes/peers/edit_peer_type_box.h"
 #include "boxes/confirm_box.h"
+#include "boxes/max_invite_box.h"
 #include "lang/lang_keys.h"
 #include "data/data_channel.h"
 #include "data/data_chat.h"
diff --git a/Telegram/SourceFiles/boxes/peers/edit_participants_box.cpp b/Telegram/SourceFiles/boxes/peers/edit_participants_box.cpp
index f3707234ee..0cba068e15 100644
--- a/Telegram/SourceFiles/boxes/peers/edit_participants_box.cpp
+++ b/Telegram/SourceFiles/boxes/peers/edit_participants_box.cpp
@@ -11,6 +11,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "boxes/peers/edit_participant_box.h"
 #include "boxes/peers/add_participants_box.h"
 #include "boxes/confirm_box.h"
+#include "boxes/max_invite_box.h"
 #include "boxes/add_contact_box.h"
 #include "main/main_session.h"
 #include "mtproto/mtproto_config.h"
diff --git a/Telegram/SourceFiles/window/window_peer_menu.cpp b/Telegram/SourceFiles/window/window_peer_menu.cpp
index 53e5c45d20..9766154f27 100644
--- a/Telegram/SourceFiles/window/window_peer_menu.cpp
+++ b/Telegram/SourceFiles/window/window_peer_menu.cpp
@@ -10,6 +10,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "lang/lang_keys.h"
 #include "boxes/confirm_box.h"
 #include "boxes/delete_messages_box.h"
+#include "boxes/max_invite_box.h"
 #include "boxes/mute_settings_box.h"
 #include "boxes/add_contact_box.h"
 #include "boxes/create_poll_box.h"