/*++

Copyright (c) Microsoft Corporation

Licensed under the MIT license.

Module Name:

- conareainfo.h

Abstract:

- This module contains the structures for the console IME conversion area

- The conversion area is the overlay on the screen where a user attempts to form

a string that they would like to insert into the buffer.

Author:

- Michael Niksa (MiNiksa) 10-May-2018

Revision History:

- From pieces of convarea.cpp originally authored by KazuM

--*/

#pragma once

#include "../buffer/out/OutputCell.hpp"

#include "../buffer/out/TextAttribute.hpp"

#include "../renderer/inc/FontInfo.hpp"

class SCREEN_INFORMATION;

class TextBuffer;

// Internal structures and definitions used by the conversion area.

class ConversionAreaBufferInfo final

{

public:

COORD coordCaBuffer;

SMALL_RECT rcViewCaWindow;

COORD coordConView;

ConversionAreaBufferInfo(const COORD coordBufferSize);

};

class ConversionAreaInfo final

{

public:

ConversionAreaInfo(const COORD bufferSize,

const COORD windowSize,

const CHAR_INFO fill,

const CHAR_INFO popupFill,

const FontInfo fontInfo);

~ConversionAreaInfo() = default;

ConversionAreaInfo(const ConversionAreaInfo&) = delete;

ConversionAreaInfo(ConversionAreaInfo&& other);

ConversionAreaInfo& operator=(const ConversionAreaInfo&) & = delete;

ConversionAreaInfo& operator=(ConversionAreaInfo&&) & = delete;

bool IsHidden() const noexcept;

void SetHidden(const bool fIsHidden) noexcept;

void ClearArea() noexcept;

[[nodiscard]]

HRESULT Resize(const COORD newSize) noexcept;

void SetViewPos(const COORD pos) noexcept;

void SetWindowInfo(const SMALL_RECT view) noexcept;

void Paint() const noexcept;

void WriteText(const std::vector<OutputCell>& text, const SHORT column);

void SetAttributes(const TextAttribute& attr);

const TextBuffer& GetTextBuffer() const noexcept;

const ConversionAreaBufferInfo& GetAreaBufferInfo() const noexcept;

private:

ConversionAreaBufferInfo _caInfo;

std::unique_ptr<SCREEN_INFORMATION> _screenBuffer;

bool _isHidden;

};