Sweden-Number/dlls/shell32/clipboard.c

215 lines
5.2 KiB
C

/*
* clipboard helper functions
*
* Copyright 2000 Juergen Schmied <juergen.schmied@debitel.de>
*
* 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
*
* NOTES:
*
* For copy & paste functions within contextmenus does the shell use
* the OLE clipboard functions in combination with dataobjects.
* The OLE32.DLL gets loaded with LoadLibrary
*
* - a right mousebutton-copy sets the following formats:
* classic:
* Shell IDList Array
* Preferred Drop Effect
* Shell Object Offsets
* HDROP
* FileName
* ole:
* OlePrivateData (ClipboardDataObjectInterface)
*
*/
#include <stdarg.h>
#include <string.h>
#include "windef.h"
#include "winbase.h"
#include "winreg.h"
#include "wingdi.h"
#include "pidl.h"
#include "shell32_main.h"
#include "shlwapi.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(shell);
/**************************************************************************
* RenderHDROP
*
* creates a CF_HDROP structure
*/
HGLOBAL RenderHDROP(LPITEMIDLIST pidlRoot, LPITEMIDLIST * apidl, UINT cidl)
{
UINT i;
int rootlen = 0,size = 0;
WCHAR wszRootPath[MAX_PATH];
WCHAR wszFileName[MAX_PATH];
HGLOBAL hGlobal;
DROPFILES *pDropFiles;
int offset;
TRACE("(%p,%p,%u)\n", pidlRoot, apidl, cidl);
/* get the size needed */
size = sizeof(DROPFILES);
SHGetPathFromIDListW(pidlRoot, wszRootPath);
PathAddBackslashW(wszRootPath);
rootlen = lstrlenW(wszRootPath);
for (i=0; i<cidl;i++)
{
_ILSimpleGetTextW(apidl[i], wszFileName, MAX_PATH);
size += (rootlen + lstrlenW(wszFileName) + 1) * sizeof(WCHAR);
}
size += sizeof(WCHAR);
/* Fill the structure */
hGlobal = GlobalAlloc(GHND|GMEM_SHARE, size);
if(!hGlobal) return hGlobal;
pDropFiles = GlobalLock(hGlobal);
offset = (sizeof(DROPFILES) + sizeof(WCHAR) - 1) / sizeof(WCHAR);
pDropFiles->pFiles = offset * sizeof(WCHAR);
pDropFiles->fWide = TRUE;
lstrcpyW(wszFileName, wszRootPath);
for (i=0; i<cidl;i++)
{
_ILSimpleGetTextW(apidl[i], wszFileName + rootlen, MAX_PATH - rootlen);
lstrcpyW(((WCHAR*)pDropFiles)+offset, wszFileName);
offset += lstrlenW(wszFileName) + 1;
}
((WCHAR*)pDropFiles)[offset] = 0;
GlobalUnlock(hGlobal);
return hGlobal;
}
HGLOBAL RenderSHELLIDLIST (LPITEMIDLIST pidlRoot, LPITEMIDLIST * apidl, UINT cidl)
{
UINT i;
int offset = 0, sizePidl, size;
HGLOBAL hGlobal;
LPIDA pcida;
TRACE("(%p,%p,%u)\n", pidlRoot, apidl, cidl);
/* get the size needed */
size = sizeof(CIDA) + sizeof (UINT)*(cidl); /* header */
size += ILGetSize (pidlRoot); /* root pidl */
for(i=0; i<cidl; i++)
{
size += ILGetSize(apidl[i]); /* child pidls */
}
/* fill the structure */
hGlobal = GlobalAlloc(GHND|GMEM_SHARE, size);
if(!hGlobal) return hGlobal;
pcida = GlobalLock (hGlobal);
pcida->cidl = cidl;
/* root pidl */
offset = sizeof(CIDA) + sizeof (UINT)*(cidl);
pcida->aoffset[0] = offset; /* first element */
sizePidl = ILGetSize (pidlRoot);
memcpy(((LPBYTE)pcida)+offset, pidlRoot, sizePidl);
offset += sizePidl;
for(i=0; i<cidl; i++) /* child pidls */
{
pcida->aoffset[i+1] = offset;
sizePidl = ILGetSize(apidl[i]);
memcpy(((LPBYTE)pcida)+offset, apidl[i], sizePidl);
offset += sizePidl;
}
GlobalUnlock(hGlobal);
return hGlobal;
}
HGLOBAL RenderFILENAMEA (LPITEMIDLIST pidlRoot, LPITEMIDLIST * apidl, UINT cidl)
{
int size = 0;
char szTemp[MAX_PATH], *szFileName;
LPITEMIDLIST pidl;
HGLOBAL hGlobal;
BOOL bSuccess;
TRACE("(%p,%p,%u)\n", pidlRoot, apidl, cidl);
/* get path of combined pidl */
pidl = ILCombine(pidlRoot, apidl[0]);
if (!pidl)
return 0;
bSuccess = SHGetPathFromIDListA(pidl, szTemp);
SHFree(pidl);
if (!bSuccess)
return 0;
size = strlen(szTemp) + 1;
/* fill the structure */
hGlobal = GlobalAlloc(GHND|GMEM_SHARE, size);
if(!hGlobal) return hGlobal;
szFileName = GlobalLock(hGlobal);
memcpy(szFileName, szTemp, size);
GlobalUnlock(hGlobal);
return hGlobal;
}
HGLOBAL RenderFILENAMEW (LPITEMIDLIST pidlRoot, LPITEMIDLIST * apidl, UINT cidl)
{
int size = 0;
WCHAR szTemp[MAX_PATH], *szFileName;
LPITEMIDLIST pidl;
HGLOBAL hGlobal;
BOOL bSuccess;
TRACE("(%p,%p,%u)\n", pidlRoot, apidl, cidl);
/* get path of combined pidl */
pidl = ILCombine(pidlRoot, apidl[0]);
if (!pidl)
return 0;
bSuccess = SHGetPathFromIDListW(pidl, szTemp);
SHFree(pidl);
if (!bSuccess)
return 0;
size = (lstrlenW(szTemp)+1) * sizeof(WCHAR);
/* fill the structure */
hGlobal = GlobalAlloc(GHND|GMEM_SHARE, size);
if(!hGlobal) return hGlobal;
szFileName = GlobalLock(hGlobal);
memcpy(szFileName, szTemp, size);
GlobalUnlock(hGlobal);
return hGlobal;
}