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https://github.com/reactos/reactos.git
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241 lines
5.7 KiB
C
241 lines
5.7 KiB
C
/*
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* clipboard helper functions
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*
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* Copyright 2000 Juergen Schmied <juergen.schmied@debitel.de>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*
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* NOTES:
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*
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* For copy & paste functions within contextmenus does the shell use
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* the OLE clipboard functions in combination with dataobjects.
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* The OLE32.DLL gets loaded with LoadLibrary
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*
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* - a right mousebutton-copy sets the following formats:
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* classic:
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* Shell IDList Array
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* Preferred Drop Effect
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* Shell Object Offsets
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* HDROP
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* FileName
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* ole:
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* OlePrivateData (ClipboardDataObjectInterface)
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*
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*/
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#include <precomp.h>
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WINE_DEFAULT_DEBUG_CHANNEL(shell);
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/**************************************************************************
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* RenderHDROP
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*
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* creates a CF_HDROP structure
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*/
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HGLOBAL RenderHDROP(LPITEMIDLIST pidlRoot, LPITEMIDLIST * apidl, UINT cidl)
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{
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UINT i;
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int size = 0;
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WCHAR wszFileName[MAX_PATH];
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HGLOBAL hGlobal = NULL;
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DROPFILES *pDropFiles;
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int offset;
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LPITEMIDLIST *pidls;
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TRACE("(%p,%p,%u)\n", pidlRoot, apidl, cidl);
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pidls = HeapAlloc(GetProcessHeap(), 0, cidl * sizeof(*pidls));
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if (!pidls)
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goto cleanup;
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/* get the size needed */
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size = sizeof(DROPFILES);
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for (i=0; i<cidl;i++)
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{
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pidls[i] = ILCombine(pidlRoot, apidl[i]);
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SHGetPathFromIDListW(pidls[i], wszFileName);
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size += (wcslen(wszFileName) + 1) * sizeof(WCHAR);
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}
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size += sizeof(WCHAR);
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/* Fill the structure */
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hGlobal = GlobalAlloc(GHND|GMEM_SHARE, size);
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if(!hGlobal)
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goto cleanup;
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pDropFiles = (DROPFILES *)GlobalLock(hGlobal);
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offset = (sizeof(DROPFILES) + sizeof(WCHAR) - 1) / sizeof(WCHAR);
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pDropFiles->pFiles = offset * sizeof(WCHAR);
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pDropFiles->fWide = TRUE;
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for (i=0; i<cidl;i++)
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{
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SHGetPathFromIDListW(pidls[i], wszFileName);
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wcscpy(((WCHAR*)pDropFiles)+offset, wszFileName);
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offset += wcslen(wszFileName) + 1;
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ILFree(pidls[i]);
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}
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((WCHAR*)pDropFiles)[offset] = 0;
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GlobalUnlock(hGlobal);
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cleanup:
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if(pidls)
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HeapFree(GetProcessHeap(), 0, pidls);
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return hGlobal;
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}
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HGLOBAL RenderSHELLIDLIST (LPITEMIDLIST pidlRoot, LPITEMIDLIST * apidl, UINT cidl)
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{
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UINT i;
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int offset = 0, sizePidl, size;
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HGLOBAL hGlobal;
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LPIDA pcida;
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TRACE("(%p,%p,%u)\n", pidlRoot, apidl, cidl);
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/* get the size needed */
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size = sizeof(CIDA) + sizeof (UINT)*(cidl); /* header */
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size += ILGetSize (pidlRoot); /* root pidl */
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for(i=0; i<cidl; i++)
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{
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size += ILGetSize(apidl[i]); /* child pidls */
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}
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/* fill the structure */
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hGlobal = GlobalAlloc(GHND|GMEM_SHARE, size);
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if(!hGlobal) return hGlobal;
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pcida = GlobalLock (hGlobal);
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pcida->cidl = cidl;
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/* root pidl */
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offset = sizeof(CIDA) + sizeof (UINT)*(cidl);
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pcida->aoffset[0] = offset; /* first element */
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sizePidl = ILGetSize (pidlRoot);
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memcpy(((LPBYTE)pcida)+offset, pidlRoot, sizePidl);
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offset += sizePidl;
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for(i=0; i<cidl; i++) /* child pidls */
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{
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pcida->aoffset[i+1] = offset;
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sizePidl = ILGetSize(apidl[i]);
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memcpy(((LPBYTE)pcida)+offset, apidl[i], sizePidl);
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offset += sizePidl;
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}
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GlobalUnlock(hGlobal);
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return hGlobal;
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}
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HGLOBAL RenderSHELLIDLISTOFFSET (LPITEMIDLIST pidlRoot, LPITEMIDLIST * apidl, UINT cidl)
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{
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FIXME("\n");
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return 0;
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}
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HGLOBAL RenderFILECONTENTS (LPITEMIDLIST pidlRoot, LPITEMIDLIST * apidl, UINT cidl)
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{
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FIXME("\n");
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return 0;
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}
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HGLOBAL RenderFILEDESCRIPTOR (LPITEMIDLIST pidlRoot, LPITEMIDLIST * apidl, UINT cidl)
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{
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FIXME("\n");
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return 0;
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}
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HGLOBAL RenderFILENAMEA (LPITEMIDLIST pidlRoot, LPITEMIDLIST * apidl, UINT cidl)
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{
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int size = 0;
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char szTemp[MAX_PATH], *szFileName;
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LPITEMIDLIST pidl;
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HGLOBAL hGlobal;
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BOOL bSuccess;
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TRACE("(%p,%p,%u)\n", pidlRoot, apidl, cidl);
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/* get path of combined pidl */
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pidl = ILCombine(pidlRoot, apidl[0]);
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if (!pidl)
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return 0;
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bSuccess = SHGetPathFromIDListA(pidl, szTemp);
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SHFree(pidl);
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if (!bSuccess)
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return 0;
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size = strlen(szTemp) + 1;
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/* fill the structure */
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hGlobal = GlobalAlloc(GHND|GMEM_SHARE, size);
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if(!hGlobal) return hGlobal;
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szFileName = (char *)GlobalLock(hGlobal);
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memcpy(szFileName, szTemp, size);
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GlobalUnlock(hGlobal);
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return hGlobal;
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}
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HGLOBAL RenderFILENAMEW (LPITEMIDLIST pidlRoot, LPITEMIDLIST * apidl, UINT cidl)
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{
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int size = 0;
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WCHAR szTemp[MAX_PATH], *szFileName;
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LPITEMIDLIST pidl;
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HGLOBAL hGlobal;
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BOOL bSuccess;
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TRACE("(%p,%p,%u)\n", pidlRoot, apidl, cidl);
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/* get path of combined pidl */
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pidl = ILCombine(pidlRoot, apidl[0]);
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if (!pidl)
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return 0;
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bSuccess = SHGetPathFromIDListW(pidl, szTemp);
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SHFree(pidl);
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if (!bSuccess)
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return 0;
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size = (wcslen(szTemp)+1) * sizeof(WCHAR);
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/* fill the structure */
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hGlobal = GlobalAlloc(GHND|GMEM_SHARE, size);
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if(!hGlobal) return hGlobal;
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szFileName = (WCHAR *)GlobalLock(hGlobal);
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memcpy(szFileName, szTemp, size);
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GlobalUnlock(hGlobal);
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return hGlobal;
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}
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HGLOBAL RenderPREFEREDDROPEFFECT (DWORD dwFlags)
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{
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DWORD * pdwFlag;
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HGLOBAL hGlobal;
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TRACE("(0x%08x)\n", dwFlags);
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hGlobal = GlobalAlloc(GHND|GMEM_SHARE, sizeof(DWORD));
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if(!hGlobal) return hGlobal;
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pdwFlag = (DWORD*)GlobalLock(hGlobal);
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*pdwFlag = dwFlags;
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GlobalUnlock(hGlobal);
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return hGlobal;
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}
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