2 * clipboard helper functions
4 * Copyright 2000 Juergen Schmied <juergen.schmied@debitel.de>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 * For copy & paste functions within contextmenus does the shell use
23 * the OLE clipboard functions in combination with dataobjects.
24 * The OLE32.DLL gets loaded with LoadLibrary
26 * - a right mousebutton-copy sets the following formats:
29 * Preferred Drop Effect
30 * Shell Object Offsets
34 * OlePrivateData (ClipboardDataObjectInterface)
46 #include "undocshell.h"
47 #include "shell32_main.h"
50 #include "wine/unicode.h"
51 #include "wine/debug.h"
53 WINE_DEFAULT_DEBUG_CHANNEL(shell);
55 /**************************************************************************
58 * creates a CF_HDROP structure
60 HGLOBAL RenderHDROP(LPITEMIDLIST pidlRoot, LPITEMIDLIST * apidl, UINT cidl)
63 int rootlen = 0,size = 0;
64 WCHAR wszRootPath[MAX_PATH];
65 WCHAR wszFileName[MAX_PATH];
67 DROPFILES *pDropFiles;
70 TRACE("(%p,%p,%u)\n", pidlRoot, apidl, cidl);
72 /* get the size needed */
73 size = sizeof(DROPFILES);
75 SHGetPathFromIDListW(pidlRoot, wszRootPath);
76 PathAddBackslashW(wszRootPath);
77 rootlen = strlenW(wszRootPath);
81 _ILSimpleGetTextW(apidl[i], wszFileName, MAX_PATH);
82 size += (rootlen + strlenW(wszFileName) + 1) * sizeof(WCHAR);
85 size += sizeof(WCHAR);
87 /* Fill the structure */
88 hGlobal = GlobalAlloc(GHND|GMEM_SHARE, size);
89 if(!hGlobal) return hGlobal;
91 pDropFiles = (DROPFILES *)GlobalLock(hGlobal);
92 offset = (sizeof(DROPFILES) + sizeof(WCHAR) - 1) / sizeof(WCHAR);
93 pDropFiles->pFiles = offset * sizeof(WCHAR);
94 pDropFiles->fWide = TRUE;
96 strcpyW(wszFileName, wszRootPath);
101 _ILSimpleGetTextW(apidl[i], wszFileName + rootlen, MAX_PATH - rootlen);
102 strcpyW(((WCHAR*)pDropFiles)+offset, wszFileName);
103 offset += strlenW(wszFileName) + 1;
106 ((WCHAR*)pDropFiles)[offset] = 0;
107 GlobalUnlock(hGlobal);
112 HGLOBAL RenderSHELLIDLIST (LPITEMIDLIST pidlRoot, LPITEMIDLIST * apidl, UINT cidl)
115 int offset = 0, sizePidl, size;
119 TRACE("(%p,%p,%u)\n", pidlRoot, apidl, cidl);
121 /* get the size needed */
122 size = sizeof(CIDA) + sizeof (UINT)*(cidl); /* header */
123 size += ILGetSize (pidlRoot); /* root pidl */
124 for(i=0; i<cidl; i++)
126 size += ILGetSize(apidl[i]); /* child pidls */
129 /* fill the structure */
130 hGlobal = GlobalAlloc(GHND|GMEM_SHARE, size);
131 if(!hGlobal) return hGlobal;
132 pcida = GlobalLock (hGlobal);
136 offset = sizeof(CIDA) + sizeof (UINT)*(cidl);
137 pcida->aoffset[0] = offset; /* first element */
138 sizePidl = ILGetSize (pidlRoot);
139 memcpy(((LPBYTE)pcida)+offset, pidlRoot, sizePidl);
142 for(i=0; i<cidl; i++) /* child pidls */
144 pcida->aoffset[i+1] = offset;
145 sizePidl = ILGetSize(apidl[i]);
146 memcpy(((LPBYTE)pcida)+offset, apidl[i], sizePidl);
150 GlobalUnlock(hGlobal);
154 HGLOBAL RenderSHELLIDLISTOFFSET (LPITEMIDLIST pidlRoot, LPITEMIDLIST * apidl, UINT cidl)
160 HGLOBAL RenderFILECONTENTS (LPITEMIDLIST pidlRoot, LPITEMIDLIST * apidl, UINT cidl)
166 HGLOBAL RenderFILEDESCRIPTOR (LPITEMIDLIST pidlRoot, LPITEMIDLIST * apidl, UINT cidl)
172 HGLOBAL RenderFILENAMEA (LPITEMIDLIST pidlRoot, LPITEMIDLIST * apidl, UINT cidl)
175 char szTemp[MAX_PATH], *szFileName;
180 TRACE("(%p,%p,%u)\n", pidlRoot, apidl, cidl);
182 /* get path of combined pidl */
183 pidl = ILCombine(pidlRoot, apidl[0]);
187 bSuccess = SHGetPathFromIDListA(pidl, szTemp);
192 size = strlen(szTemp) + 1;
194 /* fill the structure */
195 hGlobal = GlobalAlloc(GHND|GMEM_SHARE, size);
196 if(!hGlobal) return hGlobal;
197 szFileName = (char *)GlobalLock(hGlobal);
198 memcpy(szFileName, szTemp, size);
199 GlobalUnlock(hGlobal);
204 HGLOBAL RenderFILENAMEW (LPITEMIDLIST pidlRoot, LPITEMIDLIST * apidl, UINT cidl)
207 WCHAR szTemp[MAX_PATH], *szFileName;
212 TRACE("(%p,%p,%u)\n", pidlRoot, apidl, cidl);
214 /* get path of combined pidl */
215 pidl = ILCombine(pidlRoot, apidl[0]);
219 bSuccess = SHGetPathFromIDListW(pidl, szTemp);
224 size = (strlenW(szTemp)+1) * sizeof(WCHAR);
226 /* fill the structure */
227 hGlobal = GlobalAlloc(GHND|GMEM_SHARE, size);
228 if(!hGlobal) return hGlobal;
229 szFileName = (WCHAR *)GlobalLock(hGlobal);
230 memcpy(szFileName, szTemp, size);
231 GlobalUnlock(hGlobal);
236 HGLOBAL RenderPREFEREDDROPEFFECT (DWORD dwFlags)
241 TRACE("(0x%08x)\n", dwFlags);
243 hGlobal = GlobalAlloc(GHND|GMEM_SHARE, sizeof(DWORD));
244 if(!hGlobal) return hGlobal;
245 pdwFlag = (DWORD*)GlobalLock(hGlobal);
247 GlobalUnlock(hGlobal);