Windows-classic-samples/Samples/IME/cpp/SampleIME/DisplayAttributeInfo.cpp

// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
// PARTICULAR PURPOSE.
//
// Copyright (c) Microsoft Corporation. All rights reserved

#include "Private.h"
#include "globals.h"
#include "DisplayAttributeInfo.h"
#include "TfInputProcessorProfile.h"

//+---------------------------------------------------------------------------
//
// The registry key and values
//
//----------------------------------------------------------------------------

// the registry values of the custmized display attributes
const WCHAR CDisplayAttributeInfoInput::_s_szValueName[] = L"DisplayAttributeInput";
const WCHAR CDisplayAttributeInfoConverted::_s_szValueName[] = L"DisplayAttributeConverted";

// The descriptions
const WCHAR CDisplayAttributeInfoInput::_s_szDescription[] = L"Sample IME Text Service Display Attribute Input";
const WCHAR CDisplayAttributeInfoConverted::_s_szDescription[] = L"Sample IME Text Service Display Attribute Converted";

//+---------------------------------------------------------------------------
//
// DisplayAttribute
//
//----------------------------------------------------------------------------

const TF_DISPLAYATTRIBUTE CDisplayAttributeInfoInput::_s_DisplayAttribute =
{
    { TF_CT_COLORREF, RGB(0, 103,206) },    // text color
    { TF_CT_NONE, 0 },                      // background color (TF_CT_NONE => app default)
    TF_LS_DOT,								// underline style
    FALSE,                                  // underline boldness
    { TF_CT_COLORREF, RGB(0, 103,206) },    // underline color
    TF_ATTR_INPUT                           // attribute info
};

const TF_DISPLAYATTRIBUTE CDisplayAttributeInfoConverted::_s_DisplayAttribute =
{
    { TF_CT_COLORREF, RGB(255, 255, 255) }, // text color
    { TF_CT_COLORREF, RGB( 0, 255, 255) },  // background color (TF_CT_NONE => app default)
    TF_LS_NONE,                             // underline style
    FALSE,                                  // underline boldness
    { TF_CT_NONE, 0 },                      // underline color
    TF_ATTR_TARGET_CONVERTED                // attribute info
};

//+---------------------------------------------------------------------------
//
// ctor
//
//----------------------------------------------------------------------------

CDisplayAttributeInfo::CDisplayAttributeInfo()
{
    DllAddRef();

    _pguid = nullptr;
    _pDisplayAttribute = nullptr;
    _pValueName = nullptr;

    _refCount = 1;
}

//+---------------------------------------------------------------------------
//
// dtor
//
//----------------------------------------------------------------------------

CDisplayAttributeInfo::~CDisplayAttributeInfo()
{
    DllRelease();
}

//+---------------------------------------------------------------------------
//
// QueryInterface
//
//----------------------------------------------------------------------------

STDAPI CDisplayAttributeInfo::QueryInterface(REFIID riid, _Outptr_ void **ppvObj)
{
    if (ppvObj == nullptr)
        return E_INVALIDARG;

    *ppvObj = nullptr;

    if (IsEqualIID(riid, IID_IUnknown) ||
        IsEqualIID(riid, IID_ITfDisplayAttributeInfo))
    {
        *ppvObj = (ITfDisplayAttributeInfo *)this;
    }

    if (*ppvObj)
    {
        AddRef();
        return S_OK;
    }

    return E_NOINTERFACE;
}

//+---------------------------------------------------------------------------
//
// AddRef
//
//----------------------------------------------------------------------------

ULONG CDisplayAttributeInfo::AddRef(void)
{
    return ++_refCount;
}

//+---------------------------------------------------------------------------
//
// Release
//
//----------------------------------------------------------------------------

ULONG CDisplayAttributeInfo::Release(void)
{
    LONG cr = --_refCount;

    assert(_refCount >= 0);

    if (_refCount == 0)
    {
        delete this;
    }

    return cr;
}

//+---------------------------------------------------------------------------
//
// ITfDisplayAttributeInfo::GetGUID
//
//----------------------------------------------------------------------------

STDAPI CDisplayAttributeInfo::GetGUID(_Out_ GUID *pguid)
{
    if (pguid == nullptr)
        return E_INVALIDARG;

    if (_pguid == nullptr)
        return E_FAIL;

    *pguid = *_pguid;

    return S_OK;
}

//+---------------------------------------------------------------------------
//
// ITfDisplayAttributeInfo::GetDescription
//
//----------------------------------------------------------------------------

STDAPI CDisplayAttributeInfo::GetDescription(_Out_ BSTR *pbstrDesc)
{
    BSTR tempDesc;

    if (pbstrDesc == nullptr)
    {
        return E_INVALIDARG;
    }

    *pbstrDesc = nullptr;

    if ((tempDesc = SysAllocString(_pDescription)) == nullptr)
    {
        return E_OUTOFMEMORY;
    }

    *pbstrDesc = tempDesc;

    return S_OK;
}

//+---------------------------------------------------------------------------
//
// ITfDisplayAttributeInfo::GetAttributeInfo
//
//----------------------------------------------------------------------------

STDAPI CDisplayAttributeInfo::GetAttributeInfo(_Out_ TF_DISPLAYATTRIBUTE *ptfDisplayAttr)
{
    if (ptfDisplayAttr == nullptr)
    {
        return E_INVALIDARG;
    }

    // return the default display attribute.
    *ptfDisplayAttr = *_pDisplayAttribute;

    return S_OK;
}

//+---------------------------------------------------------------------------
//
// ITfDisplayAttributeInfo::SetAttributeInfo
//
//----------------------------------------------------------------------------

STDAPI CDisplayAttributeInfo::SetAttributeInfo(_In_ const TF_DISPLAYATTRIBUTE *ptfDisplayAttr)
{
    ptfDisplayAttr;

    return E_NOTIMPL;
}

//+---------------------------------------------------------------------------
//
// ITfDisplayAttributeInfo::Reset
//
//----------------------------------------------------------------------------

STDAPI CDisplayAttributeInfo::Reset()
{
    return SetAttributeInfo(_pDisplayAttribute);
}