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ole2.c

/*
 *    OLE2 library - 16 bit only interfaces
 *
 *    Copyright 1995    Martin von Loewis
 *      Copyright 1999  Francis Beaudet
 *      Copyright 1999  Noel Borthwick
 *
 * 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 "config.h"

#include <assert.h>
#include <stdlib.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>

#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "wownt32.h"
#include "ole2.h"
#include "winerror.h"

#include "wine/winbase16.h"
#include "wine/wingdi16.h"
#include "wine/winuser16.h"
#include "ifs.h"

#include "wine/debug.h"

WINE_DEFAULT_DEBUG_CHANNEL(ole);

#define HICON_16(h32)         (LOWORD(h32))
#define HICON_32(h16)         ((HICON)(ULONG_PTR)(h16))
#define HINSTANCE_32(h16)     ((HINSTANCE)(ULONG_PTR)(h16))

/******************************************************************************
 *          OleBuildVersion   (OLE2.1)
 */
DWORD WINAPI OleBuildVersion16(void)
{
    return OleBuildVersion();
}

/***********************************************************************
 *           OleInitialize       (OLE2.2)
 */
HRESULT WINAPI OleInitialize16(LPVOID reserved)
{
    return OleInitialize( reserved );
}

/******************************************************************************
 *          OleUninitialize   (OLE2.3)
 */
void WINAPI OleUninitialize16(void)
{
    return OleUninitialize();
}

/***********************************************************************
 *           DllGetClassObject (OLE2.4)
 */
HRESULT WINAPI DllGetClassObject16(REFCLSID rclsid, REFIID iid, LPVOID *ppv)
{
  FIXME("(%s, %s, %p): stub\n", debugstr_guid(rclsid), debugstr_guid(iid), ppv);
  return E_NOTIMPL;
}

/******************************************************************************
 *          GetRunningObjectTable (OLE2.30)
 */
HRESULT WINAPI GetRunningObjectTable16(DWORD reserved, LPRUNNINGOBJECTTABLE *pprot)
{
    FIXME("(%d,%p),stub!\n",reserved,pprot);
    return E_NOTIMPL;
}

/***********************************************************************
 *           RegisterDragDrop (OLE2.35)
 */
HRESULT WINAPI RegisterDragDrop16(
      HWND16 hwnd,
      LPDROPTARGET pDropTarget
) {
      FIXME("(0x%04x,%p),stub!\n",hwnd,pDropTarget);
      return S_OK;
}

/***********************************************************************
 *           RevokeDragDrop (OLE2.36)
 */
HRESULT WINAPI RevokeDragDrop16(
      HWND16 hwnd
) {
      FIXME("(0x%04x),stub!\n",hwnd);
      return S_OK;
}

/******************************************************************************
 * OleMetaFilePictFromIconAndLabel (OLE2.56)
 *
 * Returns a global memory handle to a metafile which contains the icon and
 * label given.
 * I guess the result of that should look somehow like desktop icons.
 * If no hIcon is given, we load the icon via lpszSourceFile and iIconIndex.
 * This code might be wrong at some places.
 */
HGLOBAL16 WINAPI OleMetaFilePictFromIconAndLabel16(
      HICON16 hIcon,
      LPCOLESTR16 lpszLabel,
      LPCOLESTR16 lpszSourceFile,
      UINT16 iIconIndex
) {
    METAFILEPICT16 *mf16;
    HGLOBAL16 hmf16;
    HMETAFILE hmf;
    INT mfSize;
    HDC hdc;

    if (!hIcon) {
        if (lpszSourceFile) {
          HINSTANCE16 hInstance = LoadLibrary16(lpszSourceFile);

          /* load the icon at index from lpszSourceFile */
          hIcon = HICON_16(LoadIconA(HINSTANCE_32(hInstance), (LPCSTR)(DWORD)iIconIndex));
          FreeLibrary16(hInstance);
      } else
          return 0;
    }

    FIXME("(%04x, '%s', '%s', %d): incorrect metrics, please try to correct them !\n",
          hIcon, lpszLabel, lpszSourceFile, iIconIndex);

    hdc = CreateMetaFileW(NULL);
    DrawIcon(hdc, 0, 0, HICON_32(hIcon)); /* FIXME */
    TextOutA(hdc, 0, 0, lpszLabel, 1); /* FIXME */
    hmf = CloseMetaFile(hdc);

    hmf16 = GlobalAlloc16(0, sizeof(METAFILEPICT16));
    mf16 = GlobalLock16(hmf16);
    mf16->mm = MM_ANISOTROPIC;
    mf16->xExt = 20; /* FIXME: bogus */
    mf16->yExt = 20; /* ditto */
    mfSize = GetMetaFileBitsEx(hmf, 0, 0);
    mf16->hMF = GlobalAlloc16(GMEM_MOVEABLE, mfSize);
    if(mf16->hMF)
    {
        GetMetaFileBitsEx(hmf, mfSize, GlobalLock16(mf16->hMF));
        GlobalUnlock16(mf16->hMF);
    }
    return hmf16;
}


/******************************************************************************
 *        CreateItemMoniker   (OLE2.27)
 */
HRESULT WINAPI CreateItemMoniker16(LPCOLESTR16 lpszDelim,LPCOLESTR16 lpszItem,LPMONIKER* ppmk)
{
    FIXME("(%s,%p),stub!\n",lpszDelim,ppmk);
    *ppmk = NULL;
    return E_NOTIMPL;
}


/******************************************************************************
 *        CreateFileMoniker (OLE2.28)
 */
HRESULT WINAPI CreateFileMoniker16(LPCOLESTR16 lpszPathName,LPMONIKER* ppmk)
{
    FIXME("(%s,%p),stub!\n",lpszPathName,ppmk);
    return E_NOTIMPL;
}

/******************************************************************************
 *        OleSetMenuDescriptor (OLE2.41)
 *
 * PARAMS
 *  hOleMenu  FIXME: Should probably be an HOLEMENU16.
 */
HRESULT WINAPI OleSetMenuDescriptor16(
    HOLEMENU               hOleMenu,
    HWND16                 hwndFrame,
    HWND16                 hwndActiveObject,
    LPOLEINPLACEFRAME        lpFrame,
    LPOLEINPLACEACTIVEOBJECT lpActiveObject)
{
    FIXME("(%p, %x, %x, %p, %p), stub!\n", hOleMenu, hwndFrame, hwndActiveObject, lpFrame, lpActiveObject);
    return E_NOTIMPL;
}

/******************************************************************************
 *              OleLoad        [OLE2.12]
 *
 * PARAMS
 *  pStg Segmented LPSTORAGE pointer.
 *  pClientSite Segmented LPOLECLIENTSITE pointer.
 */
HRESULT WINAPI OleLoad16(
    SEGPTR        pStg,
    REFIID              riid,
    SEGPTR        pClientSite,
    LPVOID*       ppvObj)
{
  FIXME("(%x,%s,%x,%p), stub!\n", pStg, debugstr_guid(riid), pClientSite, ppvObj);
  return E_NOTIMPL;
}

/******************************************************************************
 *              OleDoAutoConvert        [OLE2.79]
 */
HRESULT WINAPI OleDoAutoConvert16(LPSTORAGE pStg, LPCLSID pClsidNew)
{
    FIXME("(%p,%p) : stub\n",pStg,pClsidNew);
    return E_NOTIMPL;
}

/***********************************************************************
 *           OleSetClipboard                            [OLE2.49]
 */
HRESULT WINAPI OleSetClipboard16(IDataObject* pDataObj)
{
  FIXME("(%p): stub\n", pDataObj);
  return S_OK;
}

/***********************************************************************
 *           OleGetClipboard                            [OLE2.50]
 */
HRESULT WINAPI OleGetClipboard16(IDataObject** ppDataObj)
{
  FIXME("(%p): stub\n", ppDataObj);
  return E_NOTIMPL;
}

/***********************************************************************
 *           OleFlushClipboard   [OLE2.76]
 */

HRESULT WINAPI OleFlushClipboard16(void)
{
  return OleFlushClipboard();
}

/***********************************************************************
 *    ReadClassStg (OLE2.18)
 *
 * This method reads the CLSID previously written to a storage object with
 * the WriteClassStg.
 *
 * PARAMS
 *  pstg    [I] Segmented LPSTORAGE pointer.
 *  pclsid  [O] Pointer to where the CLSID is written
 *
 * RETURNS
 *  Success: S_OK.
 *  Failure: HRESULT code.
 */
HRESULT WINAPI ReadClassStg16(SEGPTR pstg, CLSID *pclsid)
{
      STATSTG16 statstg;
      HANDLE16 hstatstg;
      HRESULT     hres;
      DWORD args[3];

      TRACE("(%x, %p)\n", pstg, pclsid);

      if(pclsid==NULL)
            return E_POINTER;
      /*
       * read a STATSTG structure (contains the clsid) from the storage
       */
      args[0] = (DWORD)pstg;  /* iface */
      args[1] = WOWGlobalAllocLock16( 0, sizeof(STATSTG16), &hstatstg );
      args[2] = STATFLAG_DEFAULT;

      if (!WOWCallback16Ex(
          (DWORD)((const IStorage16Vtbl*)MapSL(
                  (SEGPTR)((LPSTORAGE16)MapSL(pstg))->lpVtbl)
          )->Stat,
          WCB16_PASCAL,
          3*sizeof(DWORD),
          (LPVOID)args,
          (LPDWORD)&hres
      )) {
          WOWGlobalUnlockFree16(args[1]);
            ERR("CallTo16 IStorage16::Stat() failed, hres %x\n",hres);
          return hres;
      }
      memcpy(&statstg, MapSL(args[1]), sizeof(STATSTG16));
      WOWGlobalUnlockFree16(args[1]);

      if(SUCCEEDED(hres)) {
            *pclsid=statstg.clsid;
            TRACE("clsid is %s\n", debugstr_guid(&statstg.clsid));
      }
      return hres;
}

/***********************************************************************
 *              GetConvertStg (OLE2.82)
 */
HRESULT WINAPI GetConvertStg16(LPSTORAGE stg) {
    FIXME("unimplemented stub!\n");
    return E_FAIL;
}

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