458 lines
12 KiB
C
458 lines
12 KiB
C
/*****************************************************************************
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*
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* dimapshp.c
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*
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* Copyright (c) 1997 Microsoft Corporation. All Rights Reserved.
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*
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* Abstract:
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*
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* The IDirectInputMapperW shepherd.
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*
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* The shepherd does the annoying work of babysitting the
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* IDirectInputMapperW.
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*
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* It makes sure nobody parties on bad handles.
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*
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* It handles cross-process (or even intra-process) effect
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* management.
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*
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* Contents:
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*
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* CMapShep_New
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*
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*****************************************************************************/
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#include "dinputpr.h"
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#ifdef UNICODE
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#undef _UNICODE
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#define _UNICODE
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#endif // !UNICODE
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/*****************************************************************************
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*
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* The sqiffle for this file.
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*
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*****************************************************************************/
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#define sqfl sqflEShep/*Should we use own area?*/
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#pragma BEGIN_CONST_DATA
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/*****************************************************************************
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*
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* Declare the interfaces we will be providing.
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*
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*****************************************************************************/
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Primary_Interface(CMapShep, IDirectInputMapShepherd);
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/*****************************************************************************
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*
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* @doc INTERNAL
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*
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* @struct CMapShep |
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*
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* The <i IDirectInputMapShepherd> object, which
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* babysits an <i IDirectInputMapperW>.
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*
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* @field IDirectInputMapShepherd | dms |
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*
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* DirectInputMapShepherd object (containing vtbl).
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*
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* @field IDirectInputMapperW * | pdimap |
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*
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* Delegated mapper interface.
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*
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* @field HINSTANCE | hinstdimapdll |
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*
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* The instance handle of the DLL that contains the mapper.
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*
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*****************************************************************************/
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typedef struct CMapShep {
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/* Supported interfaces */
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IDirectInputMapShepherd dms;
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IDirectInputMapperW* pdimap;
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HINSTANCE hinstdimapdll;
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} CMapShep, MS, *PMS;
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typedef IDirectInputMapShepherd DMS, *PDMS;
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#define ThisClass CMapShep
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#define ThisInterface IDirectInputMapShepherd
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/*****************************************************************************
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*
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* @doc EXTERNAL
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*
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* @method HRESULT | IDirectInputMapShepherd | QueryInterface |
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*
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* Gives a client access to other interfaces on an object.
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*
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* @cwrap LPDIRECTINPUT | lpDirectInput
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*
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* @parm IN REFIID | riid |
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*
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* The requested interface's IID.
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*
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* @parm OUT LPVOID * | ppvObj |
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*
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* Receives a pointer to the obtained interface.
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*
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* @returns
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*
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* Returns a COM error code.
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*
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* @xref OLE documentation for <mf IUnknown::QueryInterface>.
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*
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*//**************************************************************************
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*
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* @doc EXTERNAL
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*
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* @method HRESULT | IDirectInputMapShepherd | AddRef |
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*
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* Increments the reference count for the interface.
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*
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* @cwrap LPDIRECTINPUT | lpDirectInput
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*
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* @returns
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*
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* Returns the object reference count.
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*
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* @xref OLE documentation for <mf IUnknown::AddRef>.
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*
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*****************************************************************************
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*
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* @doc EXTERNAL
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*
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* @method HRESULT | IDirectInputMapShepherd | Release |
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*
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* Decrements the reference count for the interface.
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* If the reference count on the object falls to zero,
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* the object is freed from memory.
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*
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* @cwrap LPDIRECTINPUT | lpDirectInput
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*
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* @returns
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*
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* Returns the object reference count.
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*
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* @xref OLE documentation for <mf IUnknown::Release>.
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*
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*//**************************************************************************
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*
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* @doc INTERNAL
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*
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* @method HRESULT | IDirectInputMapShepherd | QIHelper |
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*
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* We don't have any dynamic interfaces and simply forward
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* to <f Common_QIHelper>.
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*
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* @parm IN REFIID | riid |
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*
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* The requested interface's IID.
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*
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* @parm OUT LPVOID * | ppvObj |
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*
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* Receives a pointer to the obtained interface.
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*
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*//**************************************************************************
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*
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* @doc INTERNAL
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*
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* @method HRESULT | IDirectInputMapShepherd | AppFinalize |
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*
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* We don't have any weak pointers, so we can just
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* forward to <f Common_Finalize>.
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*
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* @parm PV | pvObj |
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*
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* Object being released from the application's perspective.
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*
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*****************************************************************************/
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#ifdef DEBUG
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Default_QueryInterface(CMapShep)
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Default_AddRef(CMapShep)
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Default_Release(CMapShep)
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#else
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#define CMapShep_QueryInterface Common_QueryInterface
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#define CMapShep_AddRef Common_AddRef
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#define CMapShep_Release Common_Release
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#endif
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#define CMapShep_QIHelper Common_QIHelper
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#define CMapShep_AppFinalize Common_AppFinalize
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/*****************************************************************************
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*
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* @doc INTERNAL
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*
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* @func void | CMapShep_Finalize |
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*
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* Clean up our instance data.
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*
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* @parm PV | pvObj |
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*
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* Object being released. Note that it may not have been
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* completely initialized, so everything should be done
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* carefully.
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*
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*****************************************************************************/
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void INTERNAL
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CMapShep_Finalize(PV pvObj)
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{
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PMS this = pvObj;
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Invoke_Release(&this->pdimap);
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if( this->hinstdimapdll)
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{
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FreeLibrary(this->hinstdimapdll);
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this->hinstdimapdll = NULL;
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}
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}
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/*****************************************************************************
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* ForceUnload
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*****************************************************************************/
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void INTERNAL
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CMapShep_ForceUnload(PV pvObj)/**why are this two functions same??????**/
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{
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PMS this = pvObj;
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Invoke_Release(&this->pdimap);
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if( this->hinstdimapdll)
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{
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FreeLibrary(this->hinstdimapdll);
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this->hinstdimapdll = NULL;
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}
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}
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/*****************************************************************************
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* InitDll
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*****************************************************************************/
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HRESULT INTERNAL
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CMapShep_InitDll(PMS this,REFGUID lpDeviceGUID,LPCWSTR lpcwstrFileName)
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{
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//do _CreateInstance()
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HRESULT hres = S_OK;
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if (this->hinstdimapdll == NULL)
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{
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hres = _CreateInstance(&IID_IDirectInputMapClsFact/*should be CLSID_CDIMap*/,
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TEXT("dimap.dll"), NULL, &IID_IDirectInputMapIW,
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(LPVOID*) & this->pdimap, &this->hinstdimapdll);
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if (SUCCEEDED(hres) && this->pdimap != NULL)
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{
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hres = this->pdimap->lpVtbl->Initialize(this->pdimap,
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lpDeviceGUID, lpcwstrFileName, 0);
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if(!SUCCEEDED(hres))
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CMapShep_Finalize(this);
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}
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}
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return hres;
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}
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/*****************************************************************************
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* GetActionMap
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*****************************************************************************/
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STDMETHODIMP
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CMapShep_GetActionMapW
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(
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PDMS pdms,
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REFGUID lpDeviceGUID,
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LPCWSTR lpcwstrFileName,
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LPDIACTIONFORMATW lpDIActionFormat,
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LPCWSTR lpcwstrUserName,
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LPFILETIME lpFileTime,
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DWORD dwFlags
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)
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{
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PMS this;
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HRESULT hres = S_OK;
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EnterProcI(IDirectInputMapShepherd::GetActionMapW, (_ "p", pdms));
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this = _thisPvNm(pdms, dms);
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if (!this->hinstdimapdll)
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{
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hres = CMapShep_InitDll(this, lpDeviceGUID, lpcwstrFileName);
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}
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//call the fn
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if (SUCCEEDED(hres) && this->pdimap != NULL)
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{
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hres = this->pdimap->lpVtbl->GetActionMap(this->pdimap,
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lpDIActionFormat, lpcwstrUserName, lpFileTime, dwFlags );
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}
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ExitOleProcR();
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return hres;
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}
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/*****************************************************************************
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* SaveActionMap
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*****************************************************************************/
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STDMETHODIMP
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CMapShep_SaveActionMapW
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(
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PDMS pdms,
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REFGUID lpDeviceGUID,
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LPCWSTR lpcwstrFileName,
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LPDIACTIONFORMATW lpDIActionFormat,
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LPCWSTR lpcwstrUserName,
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DWORD dwFlags)
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{
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PMS this;
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HRESULT hres = S_OK;
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EnterProcI(IDirectInputMapShepherd::SaveActionMapW, (_ "p", pdms));
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this = _thisPvNm(pdms, dms);
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if (!this->hinstdimapdll)
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{
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hres = CMapShep_InitDll(this, lpDeviceGUID, lpcwstrFileName);
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}
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//call the fn
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if (SUCCEEDED(hres) && this->pdimap != NULL)
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{
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hres = this->pdimap->lpVtbl->SaveActionMap(this->pdimap,
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lpDIActionFormat, lpcwstrUserName, dwFlags );
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}
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// CMapShep_Finalize(this);
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ExitOleProcR();
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return hres;
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}
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/*****************************************************************************
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* GetImageInfo
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*****************************************************************************/
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STDMETHODIMP
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CMapShep_GetImageInfoW
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(
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PDMS pdms,
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REFGUID lpDeviceGUID,
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LPCWSTR lpcwstrFileName,
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LPDIDEVICEIMAGEINFOHEADERW lpdiDevImageInfoHeader
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)
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{
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PMS this;
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HRESULT hres = S_OK;
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EnterProcI(IDirectInputMapShepherd::GetImageInfoW, (_ "p", pdms));
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this = _thisPvNm(pdms, dms);
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if (!this->hinstdimapdll)
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{
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hres = CMapShep_InitDll(this, lpDeviceGUID, lpcwstrFileName);
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}
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//call the fn
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if (SUCCEEDED(hres) && this->pdimap != NULL)
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{
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hres = this->pdimap->lpVtbl->GetImageInfo(this->pdimap,
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lpdiDevImageInfoHeader );
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}
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ExitOleProcR();
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return hres;
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}
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/*****************************************************************************
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*
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* @doc INTERNAL
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*
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* @method HRESULT | IDirectInputMapShepherd | New |
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*
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* Create a new instance of an IDirectInputMapShepherd object.
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*
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* @parm IN PUNK | punkOuter |
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*
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* Controlling unknown for aggregation.
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*
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* @parm IN RIID | riid |
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*
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* Desired interface to new object.
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*
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* @parm OUT PPV | ppvObj |
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*
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* Output pointer for new object.
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*
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* @returns
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*
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* Standard OLE <t HRESULT>.
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*
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*****************************************************************************/
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STDMETHODIMP
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CMapShep_New(PUNK punkOuter, RIID riid, PPV ppvObj)
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{
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HRESULT hres;
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EnterProcR(IDirectInputMapShepherd::<constructor>, (_ "G", riid));
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hres = Common_NewRiid(CMapShep, punkOuter, riid, ppvObj);
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if (SUCCEEDED(hres)) {
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/* Must use _thisPv in case of aggregation */
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PMS this = _thisPv(*ppvObj);
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this->hinstdimapdll = NULL;
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/* In case of mapper we do this inside each method...
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if (SUCCEEDED(hres = CMap_InitDll(this))) {
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} else {
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Invoke_Release(ppvObj);
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}*/
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}
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ExitOleProcPpvR(ppvObj);
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return hres;
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}
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/*****************************************************************************
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*
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* The long-awaited vtbls and templates
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*
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*****************************************************************************/
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#pragma BEGIN_CONST_DATA
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//#define CEShep_Signature 0x50454853 /* "SHEP" */
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Interface_Template_Begin(CMapShep)
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Primary_Interface_Template(CMapShep, IDirectInputMapShepherd)
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Interface_Template_End(CMapShep)
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Primary_Interface_Begin(CMapShep, IDirectInputMapShepherd)
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CMapShep_GetActionMapW,
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CMapShep_SaveActionMapW,
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CMapShep_GetImageInfoW,
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Primary_Interface_End(CMapShep, IDirectInputMapShepherd)
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