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Telegram/SourceFiles/boxes/language_box.h

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+/*
+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 "ui/layers/box_content.h"
+#include "base/binary_guard.h"
+
+struct LanguageId;
+
+namespace Ui {
+class MultiSelect;
+struct ScrollToRequest;
+class VerticalLayout;
+} // namespace Ui
+
+namespace Window {
+class SessionController;
+} // namespace Window
+
+class LanguageBox : public Ui::BoxContent {
+public:
+	LanguageBox(QWidget*, Window::SessionController *controller);
+
+	void setInnerFocus() override;
+
+	static base::binary_guard Show(Window::SessionController *controller);
+
+protected:
+	void prepare() override;
+
+	void keyPressEvent(QKeyEvent *e) override;
+
+private:
+	void setupTop(not_null<Ui::VerticalLayout*> container);
+	[[nodiscard]] int rowsInPage() const;
+
+	Window::SessionController *_controller = nullptr;
+	rpl::event_stream<bool> _translateChatTurnOff;
+	Fn<void()> _setInnerFocus;
+	Fn<Ui::ScrollToRequest(int rows)> _jump;
+
+};