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//____________________________________________________________________________
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1995 - 1996.
//
// File: guidhelp.cpp
//
// Contents:
//
// Classes:
//
// Functions:
//
// History: 9/18/1996 JonN Created
//
//____________________________________________________________________________
#include <objbase.h>
#include <basetyps.h>
#include "dbg.h"
#include "cstr.h"
#ifndef DECLSPEC_UUID
#if _MSC_VER >= 1100
#define DECLSPEC_UUID(x) __declspec(uuid(x))
#else
#define DECLSPEC_UUID(x)
#endif
#endif
#include <mmc.h>
#include "guidhelp.h"
#include "atlbase.h" // USES_CONVERSION
#include "macros.h"
USE_HANDLE_MACROS("GUIDHELP(guidhelp.cpp)")
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;#endif
static CLIPFORMAT g_CFNodeType = 0;static CLIPFORMAT g_CFSnapInCLSID = 0; static CLIPFORMAT g_CFDisplayName = 0;
HRESULT ExtractData( IDataObject* piDataObject, CLIPFORMAT cfClipFormat, PVOID pbData, DWORD cbData ){ TEST_NONNULL_PTR_PARAM( piDataObject ); TEST_NONNULL_PTR_PARAM( pbData );
HRESULT hr = S_OK; FORMATETC formatetc = {cfClipFormat, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL}; STGMEDIUM stgmedium = {TYMED_HGLOBAL, NULL}; stgmedium.hGlobal = ::GlobalAlloc(GPTR, cbData); do // false loop
{ if (NULL == stgmedium.hGlobal) { ASSERT(FALSE); ////AfxThrowMemoryException();
hr = E_OUTOFMEMORY; break; } hr = piDataObject->GetDataHere( &formatetc, &stgmedium ); if ( FAILED(hr) ) { // JonN Jan 7 1999: don't assert here, some errors are perfectly reasonable
break; } PVOID pbNewData = reinterpret_cast<PVOID>(stgmedium.hGlobal); if (NULL == pbNewData) { ASSERT(FALSE); hr = E_UNEXPECTED; break; } ::memcpy( pbData, pbNewData, cbData ); } while (FALSE); // false loop
if (NULL != stgmedium.hGlobal) { //VERIFY( stgmedium.hGlobal);
VERIFY( NULL == ::GlobalFree(stgmedium.hGlobal) ); } return hr;} // ExtractData()
HRESULT ExtractString( IDataObject* piDataObject, CLIPFORMAT cfClipFormat, CStr* pstr, // OUT: Pointer to CStr to store data
DWORD cchMaxLength){ TEST_NONNULL_PTR_PARAM( piDataObject ); TEST_NONNULL_PTR_PARAM( pstr ); ASSERT( cchMaxLength > 0 );
HRESULT hr = S_OK; FORMATETC formatetc = {cfClipFormat, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL}; STGMEDIUM stgmedium = {TYMED_HGLOBAL, NULL}; stgmedium.hGlobal = ::GlobalAlloc(GPTR, sizeof(WCHAR)*cchMaxLength); do // false loop
{ if (NULL == stgmedium.hGlobal) { ASSERT(FALSE); ////AfxThrowMemoryException();
hr = E_OUTOFMEMORY; break; } hr = piDataObject->GetDataHere( &formatetc, &stgmedium ); if ( FAILED(hr) ) { // This failure happens when 'searching' for
// clipboard format supported by the IDataObject.
// t-danmo (24-Oct-96)
// Skipping ASSERT( FALSE );
break; } LPWSTR pszNewData = reinterpret_cast<LPWSTR>(stgmedium.hGlobal); if (NULL == pszNewData) { ASSERT(FALSE); hr = E_UNEXPECTED; break; } pszNewData[cchMaxLength-1] = L'\0'; // just to be safe
USES_CONVERSION; *pstr = OLE2T(pszNewData); } while (FALSE); // false loop
if (NULL != stgmedium.hGlobal) { VERIFY(NULL == ::GlobalFree(stgmedium.hGlobal)); } return hr;} // ExtractString()
HRESULT ExtractSnapInCLSID( IDataObject* piDataObject, CLSID* pclsidSnapin ){ if( !g_CFSnapInCLSID ) { USES_CONVERSION; g_CFSnapInCLSID = (CLIPFORMAT)RegisterClipboardFormat(W2T(CCF_SNAPIN_CLASSID)); // ISSUE-2002/04/01-JonN ASSERT(NULL != g_CFSnapInCLSID)
}
return ExtractData( piDataObject, g_CFSnapInCLSID, (PVOID)pclsidSnapin, sizeof(CLSID) );}
HRESULT ExtractObjectTypeGUID( IDataObject* piDataObject, GUID* pguidObjectType ){ if( !g_CFNodeType ) { USES_CONVERSION; g_CFNodeType = (CLIPFORMAT)RegisterClipboardFormat(W2T(CCF_NODETYPE)); // ISSUE-2002/04/01-JonN ASSERT(NULL != g_CFSnapInCLSID)
}
return ExtractData( piDataObject, g_CFNodeType, (PVOID)pguidObjectType, sizeof(GUID) );}
HRESULT GuidToCStr( CStr* pstr, const GUID& guid ){ WCHAR awch[MAX_PATH]; // ISSUE-2002/04/01-JonN call ZeroMemory
HRESULT hr = StringFromGUID2(guid, awch, MAX_PATH); // JonN 11/21/00 PREFIX 226769
ASSERT(SUCCEEDED(hr)); USES_CONVERSION; LPTSTR lptstr = OLE2T(awch); *pstr = lptstr; return hr;}
HRESULT CStrToGuid( const CStr& str, GUID* pguid ){ USES_CONVERSION; LPOLESTR lpolestr = T2OLE(((LPTSTR)(LPCTSTR)str)); HRESULT hr = CLSIDFromString(lpolestr, pguid); ASSERT(SUCCEEDED(hr)); return hr;}
#if 0
HRESULT bstrToGuid( const bstr& str, GUID* pguid ){ HRESULT hr = CLSIDFromString(const_cast<LPOLESTR>((LPCWSTR)str), pguid); ASSERT(SUCCEEDED(hr)); return hr;}#endif
HRESULT LoadRootDisplayName(IComponentData* pIComponentData, CStr& strDisplayName){ // ISSUE-2002/04/01-JonN test pIComponentData
IDataObject* pIDataObject = NULL; HRESULT hr = pIComponentData->QueryDataObject(NULL, CCT_SNAPIN_MANAGER, &pIDataObject); CHECK_HRESULT(hr); if ( FAILED(hr) ) return hr;
if( !g_CFDisplayName ) { USES_CONVERSION; g_CFDisplayName = (CLIPFORMAT)RegisterClipboardFormat(W2T(CCF_DISPLAY_NAME)); // ISSUE-2002/04/01-JonN ASSERT(NULL != g_CFSnapInCLSID)
}
hr = ExtractString( pIDataObject, g_CFDisplayName, &strDisplayName, MAX_PATH); // CODEWORK maximum length
CHECK_HRESULT(hr);
if (pIDataObject) pIDataObject->Release(); // JonN 3/28/02
return hr;}
HRESULT LoadAndAddMenuItem( IContextMenuCallback* pIContextMenuCallback, UINT nResourceID, // contains text and status text seperated by '\n'
long lCommandID, long lInsertionPointID, long fFlags, HINSTANCE hInst, PCTSTR pszLanguageIndependentName){ // ISSUE-2002/04/01-JonN handle these cases
ASSERT( pIContextMenuCallback != NULL ); ASSERT( pszLanguageIndependentName != NULL );
CComPtr<IContextMenuCallback2> spiCallback2; HRESULT hr = pIContextMenuCallback->QueryInterface(IID_IContextMenuCallback2, (void **)&spiCallback2); if (FAILED(hr)) return hr;
// load the resource
CStr strText; strText.LoadString(hInst, nResourceID ); ASSERT( !strText.IsEmpty() );
// split the resource into the menu text and status text
CStr strStatusText; int iSeparator = strText.Find(_T('\n')); if (0 > iSeparator) { ASSERT( FALSE ); strStatusText = strText; } else { strStatusText = strText.Right( strText.GetLength()-(iSeparator+1) ); strText = strText.Left( iSeparator ); }
// add the menu item
USES_CONVERSION; CONTEXTMENUITEM2 contextmenuitem; ::ZeroMemory( &contextmenuitem, sizeof(contextmenuitem) ); contextmenuitem.strName = T2OLE(const_cast<LPTSTR>((LPCTSTR)strText)); contextmenuitem.strStatusBarText = T2OLE(const_cast<LPTSTR>((LPCTSTR)strStatusText)); contextmenuitem.lCommandID = lCommandID; contextmenuitem.lInsertionPointID = lInsertionPointID; contextmenuitem.fFlags = fFlags; contextmenuitem.fSpecialFlags = ((fFlags & MF_POPUP) ? CCM_SPECIAL_SUBMENU : 0L); contextmenuitem.strLanguageIndependentName = T2OLE(const_cast<LPTSTR>(pszLanguageIndependentName)); hr = spiCallback2->AddItem( &contextmenuitem ); ASSERT(hr == S_OK);
return hr;}
HRESULT AddSpecialSeparator( IContextMenuCallback* pIContextMenuCallback, long lInsertionPointID ){ CONTEXTMENUITEM contextmenuitem; ::ZeroMemory( &contextmenuitem, sizeof(contextmenuitem) ); contextmenuitem.strName = NULL; contextmenuitem.strStatusBarText = NULL; contextmenuitem.lCommandID = 0; contextmenuitem.lInsertionPointID = lInsertionPointID; contextmenuitem.fFlags = MF_SEPARATOR; contextmenuitem.fSpecialFlags = CCM_SPECIAL_SEPARATOR; HRESULT hr = pIContextMenuCallback->AddItem( &contextmenuitem ); ASSERT(hr == S_OK);
return hr;}
HRESULT AddSpecialInsertionPoint( IContextMenuCallback* pIContextMenuCallback, long lCommandID, long lInsertionPointID ){ // ISSUE-2002/04/01-JonN handle NULL
CONTEXTMENUITEM contextmenuitem; ::ZeroMemory( &contextmenuitem, sizeof(contextmenuitem) ); contextmenuitem.strName = NULL; contextmenuitem.strStatusBarText = NULL; contextmenuitem.lCommandID = lCommandID; contextmenuitem.lInsertionPointID = lInsertionPointID; contextmenuitem.fFlags = 0; contextmenuitem.fSpecialFlags = CCM_SPECIAL_INSERTION_POINT; HRESULT hr = pIContextMenuCallback->AddItem( &contextmenuitem ); ASSERT(hr == S_OK); return hr;}
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