/*
  Simple DirectMedia Layer
  Copyright (C) 1997-2026 Sam Lantinga <slouken@libsdl.org>

  This software is provided 'as-is', without any express or implied
  warranty.  In no event will the authors be held liable for any damages
  arising from the use of this software.

  Permission is granted to anyone to use this software for any purpose,
  including commercial applications, and to alter it and redistribute it
  freely, subject to the following restrictions:

  1. The origin of this software must not be misrepresented; you must not
     claim that you wrote the original software. If you use this software
     in a product, an acknowledgment in the product documentation would be
     appreciated but is not required.
  2. Altered source versions must be plainly marked as such, and must not be
     misrepresented as being the original software.
  3. This notice may not be removed or altered from any source distribution.
*/

#ifndef SDL_msctf_h_
#define SDL_msctf_h_

#include <unknwn.h>

#define TF_INVALID_COOKIE            (0xffffffff)
#define TF_IPSINK_FLAG_ACTIVE        0x0001
#define TF_TMAE_UIELEMENTENABLEDONLY 0x00000004

/* *INDENT-OFF* */ // clang-format off

typedef struct ITfThreadMgr ITfThreadMgr;
typedef struct ITfDocumentMgr ITfDocumentMgr;
typedef struct ITfClientId ITfClientId;

typedef struct IEnumTfDocumentMgrs IEnumTfDocumentMgrs;
typedef struct IEnumTfFunctionProviders IEnumTfFunctionProviders;
typedef struct ITfFunctionProvider ITfFunctionProvider;
typedef struct ITfCompartmentMgr ITfCompartmentMgr;
typedef struct ITfContext ITfContext;
typedef struct IEnumTfContexts IEnumTfContexts;
typedef struct ITfUIElementSink ITfUIElementSink;
typedef struct ITfUIElement ITfUIElement;
typedef struct ITfUIElementMgr ITfUIElementMgr;
typedef struct IEnumTfUIElements IEnumTfUIElements;
typedef struct ITfThreadMgrEx ITfThreadMgrEx;
typedef struct ITfCandidateListUIElement ITfCandidateListUIElement;
typedef struct ITfReadingInformationUIElement ITfReadingInformationUIElement;
typedef struct ITfInputProcessorProfileActivationSink ITfInputProcessorProfileActivationSink;
typedef struct ITfSource ITfSource;

typedef DWORD TfClientId;
typedef DWORD TfEditCookie;

typedef struct ITfThreadMgrVtbl
{
    HRESULT (STDMETHODCALLTYPE *QueryInterface)(ITfThreadMgr *, REFIID, void **);
    ULONG (STDMETHODCALLTYPE *AddRef)(ITfThreadMgr *);
    ULONG (STDMETHODCALLTYPE *Release)(ITfThreadMgr *);
    HRESULT (STDMETHODCALLTYPE *Activate)(ITfThreadMgr *, TfClientId *);
    HRESULT (STDMETHODCALLTYPE *Deactivate)(ITfThreadMgr *);
    HRESULT (STDMETHODCALLTYPE *CreateDocumentMgr)(ITfThreadMgr *);
    HRESULT (STDMETHODCALLTYPE *EnumDocumentMgrs)(ITfThreadMgr *, IEnumTfDocumentMgrs **);
    HRESULT (STDMETHODCALLTYPE *GetFocus)(ITfThreadMgr *, ITfDocumentMgr **);
    HRESULT (STDMETHODCALLTYPE *SetFocus)(ITfThreadMgr *, ITfDocumentMgr *);
    HRESULT (STDMETHODCALLTYPE *AssociateFocus)(ITfThreadMgr *, HWND, ITfDocumentMgr *, ITfDocumentMgr **);
    HRESULT (STDMETHODCALLTYPE *IsThreadFocus)(ITfThreadMgr *, BOOL *);
    HRESULT (STDMETHODCALLTYPE *GetFunctionProvider)(ITfThreadMgr *, REFCLSID, ITfFunctionProvider **);
    HRESULT (STDMETHODCALLTYPE *EnumFunctionProviders)(ITfThreadMgr *, IEnumTfFunctionProviders **);
    HRESULT (STDMETHODCALLTYPE *GetGlobalCompartment)(ITfThreadMgr *, ITfCompartmentMgr **);
} ITfThreadMgrVtbl;

struct ITfThreadMgr
{
    const struct ITfThreadMgrVtbl *lpVtbl;
};

typedef struct ITfThreadMgrExVtbl
{
    HRESULT (STDMETHODCALLTYPE *QueryInterface)(ITfThreadMgrEx *, REFIID, void **);
    ULONG (STDMETHODCALLTYPE *AddRef)(ITfThreadMgrEx *);
    ULONG (STDMETHODCALLTYPE *Release)(ITfThreadMgrEx *);
    HRESULT (STDMETHODCALLTYPE *Activate)(ITfThreadMgrEx *, TfClientId *);
    HRESULT (STDMETHODCALLTYPE *Deactivate)(ITfThreadMgrEx *);
    HRESULT (STDMETHODCALLTYPE *CreateDocumentMgr)(ITfThreadMgrEx *, ITfDocumentMgr **);
    HRESULT (STDMETHODCALLTYPE *EnumDocumentMgrs)(ITfThreadMgrEx *, IEnumTfDocumentMgrs **);
    HRESULT (STDMETHODCALLTYPE *GetFocus)(ITfThreadMgrEx *, ITfDocumentMgr **);
    HRESULT (STDMETHODCALLTYPE *SetFocus)(ITfThreadMgrEx *, ITfDocumentMgr *);
    HRESULT (STDMETHODCALLTYPE *AssociateFocus)(ITfThreadMgrEx *, ITfDocumentMgr *, ITfDocumentMgr **);
    HRESULT (STDMETHODCALLTYPE *IsThreadFocus)(ITfThreadMgrEx *, BOOL *);
    HRESULT (STDMETHODCALLTYPE *GetFunctionProvider)(ITfThreadMgrEx *, REFCLSID, ITfFunctionProvider **);
    HRESULT (STDMETHODCALLTYPE *EnumFunctionProviders)(ITfThreadMgrEx *, IEnumTfFunctionProviders **);
    HRESULT (STDMETHODCALLTYPE *GetGlobalCompartment)(ITfThreadMgrEx *, ITfCompartmentMgr **);
    HRESULT (STDMETHODCALLTYPE *ActivateEx)(ITfThreadMgrEx *, TfClientId *, DWORD);
    HRESULT (STDMETHODCALLTYPE *GetActiveFlags)(ITfThreadMgrEx *, DWORD *);
} ITfThreadMgrExVtbl;

struct ITfThreadMgrEx
{
    const struct ITfThreadMgrExVtbl *lpVtbl;
};

typedef struct ITfDocumentMgrVtbl
{
    HRESULT (STDMETHODCALLTYPE *QueryInterface)(ITfDocumentMgr *, REFIID, void **);
    ULONG (STDMETHODCALLTYPE *AddRef)(ITfDocumentMgr *);
    ULONG (STDMETHODCALLTYPE *Release)(ITfDocumentMgr *);
    HRESULT (STDMETHODCALLTYPE *CreateContext)(ITfDocumentMgr *, TfClientId, DWORD, IUnknown *, ITfContext **, TfEditCookie *);
    HRESULT (STDMETHODCALLTYPE *Push)(ITfDocumentMgr *, ITfContext *);
    HRESULT (STDMETHODCALLTYPE *Pop)(ITfDocumentMgr *);
    HRESULT (STDMETHODCALLTYPE *GetTop)(ITfDocumentMgr *, ITfContext **);
    HRESULT (STDMETHODCALLTYPE *GetBase)(ITfDocumentMgr *, ITfContext **);
    HRESULT (STDMETHODCALLTYPE *EnumContexts)(ITfDocumentMgr *, IEnumTfContexts **);
} ITfDocumentMgrVtbl;

struct ITfDocumentMgr
{
    const struct ITfDocumentMgrVtbl *lpVtbl;
};

typedef struct ITfUIElementSinkVtbl
{
    HRESULT (STDMETHODCALLTYPE *QueryInterface)(ITfUIElementSink *, REFIID, void **);
    ULONG (STDMETHODCALLTYPE *AddRef)(ITfUIElementSink *);
    ULONG (STDMETHODCALLTYPE *Release)(ITfUIElementSink *);
    HRESULT (STDMETHODCALLTYPE *BeginUIElement)(ITfUIElementSink *, DWORD, BOOL *);
    HRESULT (STDMETHODCALLTYPE *UpdateUIElement)(ITfUIElementSink *, DWORD);
    HRESULT (STDMETHODCALLTYPE *EndUIElement)(ITfUIElementSink *, DWORD);
} ITfUIElementSinkVtbl;

struct ITfUIElementSink
{
    const struct ITfUIElementSinkVtbl *lpVtbl;
};

typedef struct ITfUIElementMgrVtbl
{
    HRESULT (STDMETHODCALLTYPE *QueryInterface)(ITfUIElementMgr *, REFIID, void **);
    ULONG (STDMETHODCALLTYPE *AddRef)(ITfUIElementMgr *);
    ULONG (STDMETHODCALLTYPE *Release)(ITfUIElementMgr *);
    HRESULT (STDMETHODCALLTYPE *BeginUIElement)(ITfUIElementMgr *, ITfUIElement *, BOOL *, DWORD *);
    HRESULT (STDMETHODCALLTYPE *UpdateUIElement)(ITfUIElementMgr *, DWORD);
    HRESULT (STDMETHODCALLTYPE *EndUIElement)(ITfUIElementMgr *, DWORD);
    HRESULT (STDMETHODCALLTYPE *GetUIElement)(ITfUIElementMgr *, DWORD, ITfUIElement **);
    HRESULT (STDMETHODCALLTYPE *EnumUIElements)(ITfUIElementMgr *, IEnumTfUIElements **);
} ITfUIElementMgrVtbl;

struct ITfUIElementMgr
{
    const struct ITfUIElementMgrVtbl *lpVtbl;
};

typedef struct ITfCandidateListUIElementVtbl
{
    HRESULT (STDMETHODCALLTYPE *QueryInterface)(ITfCandidateListUIElement *, REFIID, void **);
    ULONG (STDMETHODCALLTYPE *AddRef)(ITfCandidateListUIElement *);
    ULONG (STDMETHODCALLTYPE *Release)(ITfCandidateListUIElement *);
    HRESULT (STDMETHODCALLTYPE *GetDescription)(ITfCandidateListUIElement *, BSTR *);
    HRESULT (STDMETHODCALLTYPE *GetGUID)(ITfCandidateListUIElement *, GUID *);
    HRESULT (STDMETHODCALLTYPE *Show)(ITfCandidateListUIElement *, BOOL);
    HRESULT (STDMETHODCALLTYPE *IsShown)(ITfCandidateListUIElement *, BOOL *);
    HRESULT (STDMETHODCALLTYPE *GetUpdatedFlags)(ITfCandidateListUIElement *, DWORD *);
    HRESULT (STDMETHODCALLTYPE *GetDocumentMgr)(ITfCandidateListUIElement *, ITfDocumentMgr **);
    HRESULT (STDMETHODCALLTYPE *GetCount)(ITfCandidateListUIElement *, UINT *);
    HRESULT (STDMETHODCALLTYPE *GetSelection)(ITfCandidateListUIElement *, UINT *);
    HRESULT (STDMETHODCALLTYPE *GetString)(ITfCandidateListUIElement *, UINT, BSTR *);
    HRESULT (STDMETHODCALLTYPE *GetPageIndex)(ITfCandidateListUIElement *, UINT *, UINT, UINT *);
    HRESULT (STDMETHODCALLTYPE *SetPageIndex)(ITfCandidateListUIElement *, UINT *, UINT);
    HRESULT (STDMETHODCALLTYPE *GetCurrentPage)(ITfCandidateListUIElement *, UINT *);
} ITfCandidateListUIElementVtbl;

struct ITfCandidateListUIElement
{
    const struct ITfCandidateListUIElementVtbl *lpVtbl;
};

typedef struct ITfReadingInformationUIElementVtbl
{
    HRESULT (STDMETHODCALLTYPE *QueryInterface)(ITfReadingInformationUIElement *, REFIID, void **);
    ULONG (STDMETHODCALLTYPE *AddRef)(ITfReadingInformationUIElement *);
    ULONG (STDMETHODCALLTYPE *Release)(ITfReadingInformationUIElement *);
    HRESULT (STDMETHODCALLTYPE *GetDescription)(ITfReadingInformationUIElement *, BSTR *);
    HRESULT (STDMETHODCALLTYPE *GetGUID)(ITfReadingInformationUIElement *, GUID *);
    HRESULT (STDMETHODCALLTYPE *Show)(ITfReadingInformationUIElement *, BOOL);
    HRESULT (STDMETHODCALLTYPE *IsShown)(ITfReadingInformationUIElement *, BOOL *);
    HRESULT (STDMETHODCALLTYPE *GetUpdatedFlags)(ITfReadingInformationUIElement *, DWORD *);
    HRESULT (STDMETHODCALLTYPE *GetContext)(ITfReadingInformationUIElement *, ITfContext **);
    HRESULT (STDMETHODCALLTYPE *GetString)(ITfReadingInformationUIElement *, BSTR *);
    HRESULT (STDMETHODCALLTYPE *GetMaxReadingStringLength)(ITfReadingInformationUIElement *, UINT *);
    HRESULT (STDMETHODCALLTYPE *GetErrorIndex)(ITfReadingInformationUIElement *, UINT *);
    HRESULT (STDMETHODCALLTYPE *IsVerticalOrderPreferred)(ITfReadingInformationUIElement *, BOOL *);
} ITfReadingInformationUIElementVtbl;

struct ITfReadingInformationUIElement
{
    const struct ITfReadingInformationUIElementVtbl *lpVtbl;
};

typedef struct ITfUIElementVtbl
{
    HRESULT (STDMETHODCALLTYPE *QueryInterface)(ITfUIElement *, REFIID, void **);
    ULONG (STDMETHODCALLTYPE *AddRef)(ITfUIElement *);
    ULONG (STDMETHODCALLTYPE *Release)(ITfUIElement *);
    HRESULT (STDMETHODCALLTYPE *GetDescription)(ITfUIElement *, BSTR *);
    HRESULT (STDMETHODCALLTYPE *GetGUID)(ITfUIElement *, GUID *);
    HRESULT (STDMETHODCALLTYPE *Show)(ITfUIElement *, BOOL);
    HRESULT (STDMETHODCALLTYPE *IsShown)(ITfUIElement *, BOOL *);
} ITfUIElementVtbl;

struct ITfUIElement
{
    const struct ITfUIElementVtbl *lpVtbl;
};

typedef struct ITfInputProcessorProfileActivationSinkVtbl
{
    HRESULT (STDMETHODCALLTYPE *QueryInterface)(ITfInputProcessorProfileActivationSink *, REFIID, void **);
    ULONG (STDMETHODCALLTYPE *AddRef)(ITfInputProcessorProfileActivationSink *);
    ULONG (STDMETHODCALLTYPE *Release)(ITfInputProcessorProfileActivationSink *);
    HRESULT (STDMETHODCALLTYPE *OnActivated)(ITfInputProcessorProfileActivationSink *, DWORD, LANGID, REFCLSID, REFGUID, REFGUID, HKL, DWORD);

} ITfInputProcessorProfileActivationSinkVtbl;

struct ITfInputProcessorProfileActivationSink
{
    const struct ITfInputProcessorProfileActivationSinkVtbl *lpVtbl;
};

typedef struct ITfSourceVtbl
{
    HRESULT (STDMETHODCALLTYPE *QueryInterface)(ITfSource *, REFIID, void **);
    ULONG (STDMETHODCALLTYPE *AddRef)(ITfSource *);
    ULONG (STDMETHODCALLTYPE *Release)(ITfSource *);
    HRESULT (STDMETHODCALLTYPE *AdviseSink)(ITfSource *, REFIID, IUnknown *, DWORD *);
    HRESULT (STDMETHODCALLTYPE *UnadviseSink)(ITfSource *, DWORD);
} ITfSourceVtbl;

struct ITfSource
{
    const struct ITfSourceVtbl *lpVtbl;
};

/* *INDENT-ON* */ // clang-format on

#endif // SDL_msctf_h_
