188 lines
4.2 KiB
C++
188 lines
4.2 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: ddenumobj.cpp
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//
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//--------------------------------------------------------------------------
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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 "dxGlob7Obj.h"
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#include "DDEnumObj.h"
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extern BSTR GUIDtoBSTR(LPGUID pGuid);
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extern "C" BOOL PASCAL objDirectDrawEnumCallback(
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GUID FAR *lpGUID,
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LPSTR lpDriverDescription,
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LPSTR lpDriverName,
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LPVOID lpArg,
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HMONITOR hm
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)
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{
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DPF(1,"Entered objDirectDrawEnumCallback \r\n");
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C_dxj_DirectDrawEnumObject *pObj=(C_dxj_DirectDrawEnumObject*)lpArg;
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if (pObj==NULL) return DDENUMRET_OK;
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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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{
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void* tmp = realloc(pObj->m_pList,sizeof(DxDriverInfoEx)* pObj->m_nMax);
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if (tmp)
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pObj->m_pList=(DxDriverInfoEx*)tmp;
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else
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return DDENUMRET_CANCEL;
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}
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else
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pObj->m_pList=(DxDriverInfoEx*)malloc(sizeof(DxDriverInfoEx)* pObj->m_nMax);
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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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USES_CONVERSION;
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ZeroMemory(&(pObj->m_pList[pObj->m_nCount]),sizeof(DxDriverInfoEx));
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pObj->m_pList[pObj->m_nCount].strGuid=GUIDtoBSTR((GUID*)lpGUID);
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if (lpDriverDescription!=NULL) {
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pObj->m_pList[pObj->m_nCount].strDescription=T2BSTR(lpDriverDescription);
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}
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if (lpDriverName!=NULL){
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pObj->m_pList[pObj->m_nCount].strName=T2BSTR(lpDriverName);
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}
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pObj->m_pList[pObj->m_nCount].hMonitor=(long)PtrToLong(hm); //bugbug SUNDOWN
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pObj->m_nCount++;
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return TRUE;
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}
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C_dxj_DirectDrawEnumObject::C_dxj_DirectDrawEnumObject()
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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_DirectDrawEnumObject::~C_dxj_DirectDrawEnumObject()
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{
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//empty list
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if (m_pList){
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for (int i=0;i<m_nCount;i++)
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{
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if (m_pList[i].strGuid) SysFreeString((BSTR)m_pList[i].strGuid);
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if (m_pList[i].strDescription) SysFreeString((BSTR)m_pList[i].strDescription);
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if (m_pList[i].strName) SysFreeString((BSTR)m_pList[i].strName);
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}
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free(m_pList);
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}
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}
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HRESULT C_dxj_DirectDrawEnumObject::create(DDENUMERATEEX pcbFunc,I_dxj_DirectDrawEnum **ppRet)
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{
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HRESULT hr;
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C_dxj_DirectDrawEnumObject *pNew=NULL;
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//ASSERT(ppRet,"C_dxj_DirectDrawEnumObject::create passed invalid arg");
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*ppRet=NULL;
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pNew= new CComObject<C_dxj_DirectDrawEnumObject>;
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if (!pNew) return E_OUTOFMEMORY;
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pNew->m_bProblem=FALSE;
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hr=pcbFunc(objDirectDrawEnumCallback,(void*)pNew,DDENUM_ATTACHEDSECONDARYDEVICES | DDENUM_NONDISPLAYDEVICES);
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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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free(pNew->m_pList);
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pNew->m_pList=NULL;
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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_DirectDrawEnum,(void**)ppRet);
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return hr;
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}
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HRESULT C_dxj_DirectDrawEnumObject::getGuid( long index, BSTR *info)
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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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if (!info) return E_INVALIDARG;
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*info=SysAllocString(m_pList[index-1].strGuid);
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return S_OK;
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}
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HRESULT C_dxj_DirectDrawEnumObject::getName( long index, BSTR *info)
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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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if (!info) return E_INVALIDARG;
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*info=SysAllocString(m_pList[index-1].strName);
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return S_OK;
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}
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HRESULT C_dxj_DirectDrawEnumObject::getDescription( long index, BSTR *info)
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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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if (!info) return E_INVALIDARG;
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*info=SysAllocString(m_pList[index-1].strDescription);
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return S_OK;
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}
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HRESULT C_dxj_DirectDrawEnumObject::getMonitorHandle( long index, long *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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if (!ret) return E_INVALIDARG;
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*ret=m_pList[index-1].hMonitor;
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return S_OK;
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}
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HRESULT C_dxj_DirectDrawEnumObject::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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