ReceiveTempSMS
/
Sweden-Number
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
Sweden-Number/dlls/ole32/ole2impl.c

303 lines
8.8 KiB
C
Raw Blame History

/*
* Ole 2 Create functions implementation
*
* Copyright (C) 1999-2000 Abey George
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include <string.h>
#define COBJMACROS
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "wine/debug.h"
#include "ole2.h"
#include "olestd.h"
WINE_DEFAULT_DEBUG_CHANNEL(ole);
#define MAX_CLIPFORMAT_NAME 80
/******************************************************************************
* OleQueryCreateFromData [OLE32.@]
*
* Author : Abey George
* Checks whether an object can become an embedded object.
* the clipboard or OLE drag and drop.
* Returns : S_OK - Format that supports Embedded object creation are present.
* OLE_E_STATIC - Format that supports static object creation are present.
* S_FALSE - No acceptable format is available.
*/
HRESULT WINAPI OleQueryCreateFromData(LPDATAOBJECT pSrcDataObject)
{
IEnumFORMATETC *pfmt;
FORMATETC fmt;
CHAR szFmtName[MAX_CLIPFORMAT_NAME];
BOOL bFoundStatic = FALSE;
HRESULT hr = IDataObject_EnumFormatEtc(pSrcDataObject, DATADIR_GET, &pfmt);
if (hr == S_OK)
hr = IEnumFORMATETC_Next(pfmt, 1, &fmt, NULL);
while (hr == S_OK)
{
GetClipboardFormatNameA(fmt.cfFormat, szFmtName, MAX_CLIPFORMAT_NAME-1);
/* first, Check for Embedded Object, Embed Source or Filename */
if (!strcmp(szFmtName, CF_EMBEDDEDOBJECT) || !strcmp(szFmtName, CF_EMBEDSOURCE) || !strcmp(szFmtName, CF_FILENAME))
return S_OK;
/* Check for Metafile, Bitmap or DIB */
if (fmt.cfFormat == CF_METAFILEPICT || fmt.cfFormat == CF_BITMAP || fmt.cfFormat == CF_DIB)
bFoundStatic = TRUE;
hr = IEnumFORMATETC_Next(pfmt, 1, &fmt, NULL);
}
/* Found a static format, but no embed format */
if (bFoundStatic)
return OLE_S_STATIC;
return S_FALSE;
}
/******************************************************************************
* OleCreateFromData [OLE32.@]
*
* Author : Abey George
* Creates an embedded object from data transfer object retrieved from
* the clipboard or OLE drag and drop.
* Returns : S_OK - Embedded object was created successfully.
* OLE_E_STATIC - OLE can create only a static object
* DV_E_FORMATETC - No acceptable format is available (only error return code)
* TODO : CF_FILENAME, CF_EMBEDEDOBJECT formats. Parameter renderopt is currently ignored.
*/
HRESULT WINAPI OleCreateFromData(LPDATAOBJECT pSrcDataObject, REFIID riid,
DWORD renderopt, LPFORMATETC pFormatEtc,
LPOLECLIENTSITE pClientSite, LPSTORAGE pStg,
LPVOID* ppvObj)
{
IEnumFORMATETC *pfmt;
FORMATETC fmt;
CHAR szFmtName[MAX_CLIPFORMAT_NAME];
STGMEDIUM std;
HRESULT hr;
HRESULT hr1;
hr = IDataObject_EnumFormatEtc(pSrcDataObject, DATADIR_GET, &pfmt);
if (hr == S_OK)
{
memset(&std, 0, sizeof(STGMEDIUM));
hr = IEnumFORMATETC_Next(pfmt, 1, &fmt, NULL);
while (hr == S_OK)
{
GetClipboardFormatNameA(fmt.cfFormat, szFmtName, MAX_CLIPFORMAT_NAME-1);
/* first, Check for Embedded Object, Embed Source or Filename */
/* TODO: Currently checks only for Embed Source. */
if (!strcmp(szFmtName, CF_EMBEDSOURCE))
{
std.tymed = TYMED_HGLOBAL;
if ((hr1 = IDataObject_GetData(pSrcDataObject, &fmt, &std)) == S_OK)
{
ILockBytes *ptrILockBytes = 0;
IStorage *pStorage = 0;
IOleObject *pOleObject = 0;
IPersistStorage *pPersistStorage = 0;
CLSID clsID;
/* Create ILock bytes */
hr1 = CreateILockBytesOnHGlobal(std.u.hGlobal, FALSE, &ptrILockBytes);
/* Open storage on the ILock bytes */
if (hr1 == S_OK)
hr1 = StgOpenStorageOnILockBytes(ptrILockBytes, NULL, STGM_SHARE_EXCLUSIVE, NULL, 0, &pStorage);
/* Get Class ID from the opened storage */
if (hr1 == S_OK)
hr1 = ReadClassStg(pStorage, &clsID);
/* Create default handler for Persist storage */
if (hr1 == S_OK)
hr1 = OleCreateDefaultHandler(&clsID, NULL, &IID_IPersistStorage, (LPVOID*)&pPersistStorage);
/* Load the storage to Persist storage */
if (hr1 == S_OK)
hr1 = IPersistStorage_Load(pPersistStorage, pStorage);
/* Query for IOleObject */
if (hr1 == S_OK)
hr1 = IPersistStorage_QueryInterface(pPersistStorage, &IID_IOleObject, (LPVOID*)&pOleObject);
/* Set client site with the IOleObject */
if (hr1 == S_OK)
hr1 = IOleObject_SetClientSite(pOleObject, pClientSite);
IPersistStorage_Release(pPersistStorage);
/* Query for the requested interface */
if (hr1 == S_OK)
hr1 = IPersistStorage_QueryInterface(pPersistStorage, riid, ppvObj);
IPersistStorage_Release(pPersistStorage);
IStorage_Release(pStorage);
if (hr1 == S_OK)
return S_OK;
}
/* Return error */
return DV_E_FORMATETC;
}
hr = IEnumFORMATETC_Next(pfmt, 1, &fmt, NULL);
}
}
return DV_E_FORMATETC;
}
/******************************************************************************
* OleDuplicateData [OLE32.@]
*
* Duplicates clipboard data.
*
* PARAMS
* hSrc [I] Handle of the source clipboard data.
* cfFormat [I] The clipboard format of hSrc.
* uiFlags [I] Flags to pass to GlobalAlloc.
*
* RETURNS
* Success: handle to the duplicated data.
* Failure: NULL.
*/
HANDLE WINAPI OleDuplicateData(HANDLE hSrc, CLIPFORMAT cfFormat,
UINT uiFlags)
{
HANDLE hDst = NULL;
TRACE("(%p,%x,%x)\n", hSrc, cfFormat, uiFlags);
if (!uiFlags) uiFlags = GMEM_MOVEABLE;
switch (cfFormat)
{
case CF_ENHMETAFILE:
hDst = CopyEnhMetaFileW(hSrc, NULL);
break;
case CF_METAFILEPICT:
hDst = CopyMetaFileW(hSrc, NULL);
break;
case CF_PALETTE:
{
LOGPALETTE * logpalette;
UINT nEntries = GetPaletteEntries(hSrc, 0, 0, NULL);
if (!nEntries) return NULL;
logpalette = HeapAlloc(GetProcessHeap(), 0,
FIELD_OFFSET(LOGPALETTE, palPalEntry[nEntries]));
if (!logpalette) return NULL;
if (!GetPaletteEntries(hSrc, 0, nEntries, logpalette->palPalEntry))
{
HeapFree(GetProcessHeap(), 0, logpalette);
return NULL;
}
logpalette->palVersion = 0x300;
logpalette->palNumEntries = (WORD)nEntries;
hDst = CreatePalette(logpalette);
HeapFree(GetProcessHeap(), 0, logpalette);
break;
}
case CF_BITMAP:
{
LONG size;
BITMAP bm;
if (!GetObjectW(hSrc, sizeof(bm), &bm))
return NULL;
size = GetBitmapBits(hSrc, 0, NULL);
if (!size) return NULL;
bm.bmBits = HeapAlloc(GetProcessHeap(), 0, size);
if (!bm.bmBits) return NULL;
if (GetBitmapBits(hSrc, size, bm.bmBits))
hDst = CreateBitmapIndirect(&bm);
HeapFree(GetProcessHeap(), 0, bm.bmBits);
break;
}
default:
{
SIZE_T size = GlobalSize(hSrc);
LPVOID pvSrc = NULL;
LPVOID pvDst = NULL;
/* allocate space for object */
if (!size) return NULL;
hDst = GlobalAlloc(uiFlags, size);
if (!hDst) return NULL;
/* lock pointers */
pvSrc = GlobalLock(hSrc);
if (!pvSrc)
{
GlobalFree(hDst);
return NULL;
}
pvDst = GlobalLock(hDst);
if (!pvDst)
{
GlobalUnlock(hSrc);
GlobalFree(hDst);
return NULL;
}
/* copy data */
memcpy(pvDst, pvSrc, size);
/* cleanup */
GlobalUnlock(hDst);
GlobalUnlock(hSrc);
}
}
TRACE("returning %p\n", hDst);
return hDst;
}
Reference in New Issue View Git Blame Copy Permalink