168 lines
3.7 KiB
C++
168 lines
3.7 KiB
C++
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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//
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// Copyright (C) Microsoft Corporation, 1998 - 1999
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//
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// File: dienumdeviceobjectsobj.cpp
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//
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//--------------------------------------------------------------------------
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#define DIRECTINPUT_VERSION 0x0500
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#include "stdafx.h"
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#include "Direct.h"
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#include "dms.h"
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#include "DIEnumDeviceObjectsObj.h"
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#include "didevObjInstOBj.h"
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extern BSTR DINPUTGUIDtoBSTR(LPGUID pGuid);
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extern "C" BOOL CALLBACK DIEnumDeviceObjectsProc(
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LPCDIDEVICEOBJECTINSTANCE lpddoi,
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LPVOID lpArg
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)
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{
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if (!lpddoi) return FALSE;
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C_dxj_DIEnumDeviceObjectsObject *pObj=(C_dxj_DIEnumDeviceObjectsObject*)lpArg;
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if (pObj==NULL) return FALSE;
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if (pObj->m_nCount >= pObj->m_nMax)
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{
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pObj->m_nMax += 10;
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if (pObj->m_pList){
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pObj->m_pList=(DIDEVICEOBJECTINSTANCE *)realloc(pObj->m_pList,sizeof(DIDEVICEOBJECTINSTANCE)* pObj->m_nMax);
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}
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else {
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pObj->m_pList=(DIDEVICEOBJECTINSTANCE *)malloc(sizeof(DIDEVICEOBJECTINSTANCE)* pObj->m_nMax);
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}
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if (pObj->m_pList==NULL)
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{
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pObj->m_bProblem=TRUE;
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return FALSE;
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}
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}
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memcpy(&(pObj->m_pList[pObj->m_nCount]),lpddoi,sizeof(DIDEVICEOBJECTINSTANCE ));
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pObj->m_nCount++;
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return TRUE;
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}
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C_dxj_DIEnumDeviceObjectsObject::C_dxj_DIEnumDeviceObjectsObject()
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{
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m_nMax=0;
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m_pList=NULL;
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m_nCount=0;
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m_bProblem=FALSE;
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}
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C_dxj_DIEnumDeviceObjectsObject::~C_dxj_DIEnumDeviceObjectsObject()
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{
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//empty list
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if (m_pList) free(m_pList);
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}
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HRESULT C_dxj_DIEnumDeviceObjectsObject::create(LPDIRECTINPUTDEVICE pDI, long flags,I_dxj_DIEnumDeviceObjects **ppRet)
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{
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HRESULT hr;
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C_dxj_DIEnumDeviceObjectsObject *pNew=NULL;
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*ppRet=NULL;
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pNew= new CComObject<C_dxj_DIEnumDeviceObjectsObject>;
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if (!pNew) return E_OUTOFMEMORY;
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pNew->m_bProblem=FALSE;
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hr = pDI->EnumObjects(
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(LPDIENUMDEVICEOBJECTSCALLBACK )DIEnumDeviceObjectsProc,
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(void*)pNew,
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(DWORD) flags);
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if (pNew->m_bProblem) hr=E_OUTOFMEMORY;
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if FAILED(hr)
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{
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if (pNew->m_pList) free(pNew->m_pList);
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delete pNew;
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return hr;
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}
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hr=pNew->QueryInterface(IID_I_dxj_DIEnumDeviceObjects,(void**)ppRet);
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return hr;
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}
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/* DEAD
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HRESULT C_dxj_DIEnumDeviceObjectsObject::getItem( long index, DIDeviceObjectInstance *instCover)
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{
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if (m_pList==NULL) return E_FAIL;
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if (index < 0) return E_INVALIDARG;
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if (index >= m_nCount) return E_INVALIDARG;
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//TODO - consider what is going on here carefully
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if (instCover->strGuidType) SysFreeString(instCover->strGuidType);
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if (instCover->strName) SysFreeString(instCover->strName);
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DIDEVICEOBJECTINSTANCE *inst=&m_pList[index];
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//TODO - consider localization
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if (inst->tszName){
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instCover->strName=T2BSTR(inst->tszName);
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}
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instCover->strGuidType=DINPUTGUIDtoBSTR(&inst->guidType);
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instCover->lOfs=inst->dwOfs;
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instCover->lType=inst->dwType;
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instCover->lFlags=inst->dwFlags;
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instCover->lFFMaxForce=inst->dwFFMaxForce;
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instCover->lFFForceResolution=inst->dwFFForceResolution;
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instCover->nCollectionNumber=inst->wCollectionNumber;
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instCover->nDesignatorIndex=inst->wDesignatorIndex;
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instCover->nUsagePage=inst->wUsagePage;
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instCover->nUsage=inst->wUsage;
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instCover->lDimension=inst->dwDimension;
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instCover->nExponent=inst->wExponent;
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instCover->nReserved=inst->wReserved;
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return S_OK;
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}
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*/
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HRESULT C_dxj_DIEnumDeviceObjectsObject::getItem( long index, I_dxj_DirectInputDeviceObjectInstance **ret)
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{
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if (m_pList==NULL) return E_FAIL;
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if (index < 1) return E_INVALIDARG;
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if (index > m_nCount) return E_INVALIDARG;
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DIDEVICEOBJECTINSTANCE *inst=&m_pList[index-1];
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if (!inst) return E_INVALIDARG;
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HRESULT hr;
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hr=C_dxj_DIDeviceObjectInstanceObject::create(inst,ret);
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return hr;
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}
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HRESULT C_dxj_DIEnumDeviceObjectsObject::getCount(long *retVal)
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{
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*retVal=m_nCount;
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return S_OK;
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}
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