801 lines
19 KiB
C
801 lines
19 KiB
C
/*
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* pidl Handling
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*
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* Copyright 1998 Juergen Schmied
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*
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* NOTES
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* a pidl == NULL means desktop and is legal
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*
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*/
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#include <ctype.h>
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#include <stdlib.h>
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#include <string.h>
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#include "ole.h"
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#include "ole2.h"
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#include "debug.h"
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#include "compobj.h"
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#include "interfaces.h"
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#include "shlobj.h"
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#include "shell.h"
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#include "winerror.h"
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#include "winnls.h"
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#include "winproc.h"
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#include "commctrl.h"
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#include "shell32_main.h"
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#include "pidl.h"
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void pdump (LPCITEMIDLIST pidl)
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{ DWORD type;
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CHAR * szData;
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LPITEMIDLIST pidltemp = pidl;
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if (! pidltemp)
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{ TRACE(pidl,"-------- pidl = NULL (Root)\n");
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return;
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}
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TRACE(pidl,"-------- pidl=%p \n", pidl);
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if (pidltemp->mkid.cb)
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{ do
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{ type = _ILGetDataPointer(pidltemp)->type;
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szData = _ILGetTextPointer(type, _ILGetDataPointer(pidltemp));
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TRACE(pidl,"---- pidl=%p size=%u type=%lx %s\n",pidltemp, pidltemp->mkid.cb,type,debugstr_a(szData));
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pidltemp = ILGetNext(pidltemp);
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} while (pidltemp->mkid.cb);
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return;
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}
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else
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TRACE(pidl,"empty pidl (Desktop)\n");
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}
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/*************************************************************************
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* ILGetDisplayName [SHELL32.15]
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*/
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BOOL32 WINAPI ILGetDisplayName(LPCITEMIDLIST iil,LPSTR path)
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{ FIXME(pidl,"(%p,%p),stub, return e:!\n",iil,path);
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strcpy(path,"e:\\");
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return TRUE;
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}
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/*************************************************************************
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* ILFindLastID [SHELL32.16]
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*/
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LPITEMIDLIST WINAPI ILFindLastID(LPITEMIDLIST pidl)
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{ LPITEMIDLIST pidlLast = NULL;
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TRACE(pidl,"(pidl=%p)\n",pidl);
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if(pidl)
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{ while(pidl->mkid.cb)
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{ pidlLast = (LPITEMIDLIST)pidl;
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pidl = ILGetNext(pidl);
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}
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}
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return pidlLast;
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}
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/*************************************************************************
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* ILRemoveLastID [SHELL32.17]
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* NOTES
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* Removes the last item
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*/
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BOOL32 WINAPI ILRemoveLastID(LPCITEMIDLIST pidl)
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{ TRACE(shell,"pidl=%p\n",pidl);
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if (!pidl || !pidl->mkid.cb)
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return 0;
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ILFindLastID(pidl)->mkid.cb = 0;
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return 1;
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}
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/*************************************************************************
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* ILClone [SHELL32.18]
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*
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* NOTES
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* dupicate an idlist
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*/
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LPITEMIDLIST WINAPI ILClone (LPCITEMIDLIST pidl)
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{ DWORD len;
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LPITEMIDLIST newpidl;
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TRACE(pidl,"%p\n",pidl);
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pdump(pidl);
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if (!pidl)
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return NULL;
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len = ILGetSize(pidl);
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newpidl = (LPITEMIDLIST)SHAlloc(len);
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if (newpidl)
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memcpy(newpidl,pidl,len);
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return newpidl;
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}
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/*************************************************************************
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* ILCloneFirst [SHELL32.19]
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*
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* NOTES
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* duplicates the first idlist of a complex pidl
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*/
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LPITEMIDLIST WINAPI ILCloneFirst(LPCITEMIDLIST pidl)
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{ DWORD len;
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LPITEMIDLIST newpidl=NULL;
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TRACE(pidl,"pidl=%p\n",pidl);
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if (pidl)
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{ len = pidl->mkid.cb;
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newpidl = (LPITEMIDLIST) SHAlloc (len+2);
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if (newpidl)
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{ memcpy(newpidl,pidl,len);
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ILGetNext(newpidl)->mkid.cb = 0x00;
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}
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}
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return newpidl;
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}
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/*************************************************************************
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* ILIsEqual [SHELL32.21]
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*
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*/
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BOOL32 WINAPI ILIsEqual(LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
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{ FIXME(pidl,"pidl1=%p pidl2=%p stub\n",pidl1, pidl2);
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pdump (pidl1);
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pdump (pidl2);
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return FALSE;
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}
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/*************************************************************************
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* ILFindChild [SHELL32.24]
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*
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*/
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DWORD WINAPI ILFindChild(LPCITEMIDLIST pidl1,LPCITEMIDLIST pidl2)
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{ FIXME(pidl,"%p %p stub\n",pidl1,pidl2);
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pdump (pidl1);
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pdump (pidl2);
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return 0;
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}
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/*************************************************************************
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* ILCombine [SHELL32.25]
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*
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* NOTES
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* Concatenates two complex idlists.
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* The pidl is the first one, pidlsub the next one
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* Does not destroy the passed in idlists!
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*/
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LPITEMIDLIST WINAPI ILCombine(LPCITEMIDLIST pidl1,LPCITEMIDLIST pidl2)
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{ DWORD len1,len2;
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LPITEMIDLIST pidlNew;
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TRACE(pidl,"pidl=%p pidl=%p\n",pidl1,pidl2);
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if(!pidl1 && !pidl2)
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{ return NULL;
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}
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pdump (pidl1);
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pdump (pidl2);
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if(!pidl1)
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{ pidlNew = ILClone(pidl2);
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return pidlNew;
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}
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if(!pidl2)
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{ pidlNew = ILClone(pidl1);
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return pidlNew;
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}
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len1 = ILGetSize(pidl1)-2;
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len2 = ILGetSize(pidl2);
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pidlNew = SHAlloc(len1+len2);
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if (pidlNew)
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{ memcpy(pidlNew,pidl1,len1);
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memcpy(((BYTE *)pidlNew)+len1,pidl2,len2);
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}
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/* TRACE(pidl,"--new pidl=%p\n",pidlNew);*/
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return pidlNew;
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}
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/*************************************************************************
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* SHLogILFromFSIL [SHELL32.95]
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*
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* NOTES
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* might be the prepending of MyComputer to a filesystem pidl (?)
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*/
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LPITEMIDLIST WINAPI SHLogILFromFSIL(LPITEMIDLIST pidl)
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{ FIXME(pidl,"(pidl=%p)\n",pidl);
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pdump(pidl);
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return ILClone(pidl);
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}
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/*************************************************************************
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* ILGetSize [SHELL32.152]
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* gets the byte size of an idlist including zero terminator (pidl)
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*
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* PARAMETERS
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* pidl ITEMIDLIST
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*
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* RETURNS
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* size of pidl
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*
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* NOTES
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* exported by ordinal
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*/
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DWORD WINAPI ILGetSize(LPITEMIDLIST pidl)
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{ LPSHITEMID si = &(pidl->mkid);
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DWORD len=0;
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/*TRACE(pidl,"pidl=%p\n",pidl);*/
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if (pidl)
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{ while (si->cb)
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{ len += si->cb;
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si = (LPSHITEMID)(((LPBYTE)si)+si->cb);
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}
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len += 2;
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}
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/*TRACE(pidl,"-- size=%lu\n",len);*/
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return len;
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}
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/*************************************************************************
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* ILGetNext [SHELL32.153]
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* gets the next simple pidl of a complex pidl
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*
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* PARAMETERS
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* pidl ITEMIDLIST
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*
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* RETURNS
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* pointer to next element
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*
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*/
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LPITEMIDLIST WINAPI ILGetNext(LPITEMIDLIST pidl)
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{ LPITEMIDLIST nextpidl;
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/* TRACE(pidl,"(pidl=%p)\n",pidl);*/
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if(pidl)
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{ nextpidl = (LPITEMIDLIST)(LPBYTE)(((LPBYTE)pidl) + pidl->mkid.cb);
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return nextpidl;
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}
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else
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{ return (NULL);
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}
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}
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/*************************************************************************
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* ILAppend [SHELL32.154]
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*
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* NOTES
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* Adds the single item to the idlist indicated by pidl.
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* if bEnd is 0, adds the item to the front of the list,
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* otherwise adds the item to the end.
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* Destroys the passed in idlist!
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*/
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LPITEMIDLIST WINAPI ILAppend(LPITEMIDLIST pidl,LPCITEMIDLIST item,BOOL32 bEnd)
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{ FIXME(pidl,"(pidl=%p,pidl=%p,%08u)stub\n",pidl,item,bEnd);
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return NULL;
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}
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/*************************************************************************
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* ILFree [SHELL32.155]
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*
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* NOTES
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* free_check_ptr - frees memory (if not NULL)
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* allocated by SHMalloc allocator
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* exported by ordinal
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*/
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DWORD WINAPI ILFree(LPVOID pidl)
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{ TRACE(pidl,"(pidl=0x%08lx)\n",(DWORD)pidl);
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if (!pidl)
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return 0;
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return SHFree(pidl);
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}
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/*************************************************************************
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* ILCreateFromPath [SHELL32.157]
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*
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*/
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LPITEMIDLIST WINAPI ILCreateFromPath(LPSTR path)
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{ LPSHELLFOLDER shellfolder;
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LPITEMIDLIST pidlnew;
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CHAR pszTemp[MAX_PATH*2];
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LPWSTR lpszDisplayName = (LPWSTR)&pszTemp[0];
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DWORD pchEaten;
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TRACE(pidl,"(path=%s)\n",path);
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LocalToWideChar32(lpszDisplayName, path, MAX_PATH);
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if (SHGetDesktopFolder(&shellfolder)==S_OK)
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{ shellfolder->lpvtbl->fnParseDisplayName(shellfolder,0, NULL,lpszDisplayName,&pchEaten,&pidlnew,NULL);
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shellfolder->lpvtbl->fnRelease(shellfolder);
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}
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return pidlnew;
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}
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/**************************************************************************
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* internal functions
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*/
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/**************************************************************************
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* _ILCreateDesktop()
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* _ILCreateMyComputer()
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* _ILCreateDrive()
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* _ILCreateFolder()
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* _ILCreateValue()
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*/
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LPITEMIDLIST WINAPI _ILCreateDesktop()
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{ TRACE(pidl,"()\n");
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return _ILCreate(PT_DESKTOP, NULL, 0);
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}
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LPITEMIDLIST WINAPI _ILCreateMyComputer()
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{ TRACE(pidl,"()\n");
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return _ILCreate(PT_MYCOMP, (void *)"My Computer", strlen ("My Computer")+1);
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}
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LPITEMIDLIST WINAPI _ILCreateDrive( LPCSTR lpszNew)
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{ char sTemp[4];
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strncpy (sTemp,lpszNew,4);
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sTemp[2]='\\';
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sTemp[3]=0x00;
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TRACE(pidl,"(%s)\n",sTemp);
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return _ILCreate(PT_DRIVE,(LPVOID)&sTemp[0],4);
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}
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LPITEMIDLIST WINAPI _ILCreateFolder( LPCSTR lpszNew)
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{ TRACE(pidl,"(%s)\n",lpszNew);
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return _ILCreate(PT_FOLDER, (LPVOID)lpszNew, strlen(lpszNew)+1);
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}
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LPITEMIDLIST WINAPI _ILCreateValue(LPCSTR lpszNew)
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{ TRACE(pidl,"(%s)\n",lpszNew);
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return _ILCreate(PT_VALUE, (LPVOID)lpszNew, strlen(lpszNew)+1);
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}
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/**************************************************************************
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* _ILGetDrive()
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*
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* FIXME: quick hack
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*/
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BOOL32 WINAPI _ILGetDrive(LPCITEMIDLIST pidl,LPSTR pOut, UINT16 uSize)
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{ LPITEMIDLIST pidlTemp=NULL;
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TRACE(pidl,"(%p,%p,%u)\n",pidl,pOut,uSize);
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if(_ILIsMyComputer(pidl))
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{ pidlTemp = ILGetNext(pidl);
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}
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else if (pidlTemp && _ILIsDrive(pidlTemp))
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{ return (BOOL32)_ILGetData(PT_DRIVE, pidlTemp, (LPVOID)pOut, uSize);
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}
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return FALSE;
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}
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/**************************************************************************
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* _ILGetItemText()
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* Gets the text for only this item
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*/
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DWORD WINAPI _ILGetItemText(LPCITEMIDLIST pidl, LPSTR lpszText, UINT16 uSize)
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{ TRACE(pidl,"(pidl=%p %p %x)\n",pidl,lpszText,uSize);
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if (_ILIsMyComputer(pidl))
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{ return _ILGetData(PT_MYCOMP, pidl, (LPVOID)lpszText, uSize);
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}
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if (_ILIsDrive(pidl))
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{ return _ILGetData(PT_DRIVE, pidl, (LPVOID)lpszText, uSize);
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}
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if (_ILIsFolder (pidl))
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{ return _ILGetData(PT_FOLDER, pidl, (LPVOID)lpszText, uSize);
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}
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return _ILGetData(PT_VALUE, pidl, (LPVOID)lpszText, uSize);
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}
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/**************************************************************************
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* _ILIsDesktop()
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* _ILIsDrive()
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* _ILIsFolder()
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* _ILIsValue()
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*/
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BOOL32 WINAPI _ILIsDesktop(LPCITEMIDLIST pidl)
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{ TRACE(pidl,"(%p)\n",pidl);
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if (! pidl)
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return TRUE;
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return ( pidl->mkid.cb == 0x00 );
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}
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BOOL32 WINAPI _ILIsMyComputer(LPCITEMIDLIST pidl)
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{ LPPIDLDATA pData;
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TRACE(pidl,"(%p)\n",pidl);
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if (! pidl)
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return FALSE;
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pData = _ILGetDataPointer(pidl);
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return (PT_MYCOMP == pData->type);
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}
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BOOL32 WINAPI _ILIsDrive(LPCITEMIDLIST pidl)
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{ LPPIDLDATA pData;
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TRACE(pidl,"(%p)\n",pidl);
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if (! pidl)
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return FALSE;
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pData = _ILGetDataPointer(pidl);
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return (PT_DRIVE == pData->type);
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}
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BOOL32 WINAPI _ILIsFolder(LPCITEMIDLIST pidl)
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{ LPPIDLDATA pData;
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TRACE(pidl,"(%p)\n",pidl);
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if (! pidl)
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return FALSE;
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pData = _ILGetDataPointer(pidl);
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return (PT_FOLDER == pData->type);
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}
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BOOL32 WINAPI _ILIsValue(LPCITEMIDLIST pidl)
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{ LPPIDLDATA pData;
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TRACE(pidl,"(%p)\n",pidl);
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if (! pidl)
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return FALSE;
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pData = _ILGetDataPointer(pidl);
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return (PT_VALUE == pData->type);
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}
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/**************************************************************************
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* _ILHasFolders()
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* fixme: quick hack
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*/
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BOOL32 WINAPI _ILHasFolders( LPSTR pszPath, LPCITEMIDLIST pidl)
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{ BOOL32 bResult= FALSE;
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WIN32_FIND_DATA32A stffile;
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HANDLE32 hFile;
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TRACE(pidl,"%p %p\n", pszPath, pidl);
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hFile = FindFirstFile32A(pszPath,&stffile);
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do
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{ if (! (stffile.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) )
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{ bResult= TRUE;
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}
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} while( FindNextFile32A(hFile,&stffile));
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FindClose32 (hFile);
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return bResult;
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}
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/**************************************************************************
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* _ILGetFolderText()
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* Creates a Path string from a PIDL, filtering out the special Folders
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*/
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DWORD WINAPI _ILGetFolderText(LPCITEMIDLIST pidl,LPSTR lpszPath, DWORD dwSize)
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{ LPITEMIDLIST pidlTemp;
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DWORD dwCopied = 0;
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LPSTR pText;
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TRACE(pidl,"(%p)\n",pidl);
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if(!pidl)
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{ return 0;
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}
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if(_ILIsMyComputer(pidl))
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{ pidlTemp = ILGetNext(pidl);
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TRACE(pidl,"-- skip My Computer\n");
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}
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else
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{ pidlTemp = (LPITEMIDLIST)pidl;
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}
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//if this is NULL, return the required size of the buffer
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if(!lpszPath)
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{ while(pidlTemp->mkid.cb)
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{ LPPIDLDATA pData = _ILGetDataPointer(pidlTemp);
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pText = _ILGetTextPointer(pData->type,pData);
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/*add the length of this item plus one for the backslash
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fixme: is one to much, drive has its own backslash*/
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dwCopied += strlen(pText) + 1;
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pidlTemp = ILGetNext(pidlTemp);
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}
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//add one for the NULL terminator
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TRACE(pidl,"-- (size=%lu)\n",dwCopied);
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return dwCopied + 1;
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}
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*lpszPath = 0;
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while(pidlTemp->mkid.cb && (dwCopied < dwSize))
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{ LPPIDLDATA pData = _ILGetDataPointer(pidlTemp);
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//if this item is a value, then skip it and finish
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if(PT_VALUE == pData->type)
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{ break;
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}
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pText = _ILGetTextPointer(pData->type,pData);
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strcat(lpszPath, pText);
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PathAddBackslash(lpszPath);
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dwCopied += strlen(pText) + 1;
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pidlTemp = ILGetNext(pidlTemp);
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TRACE(pidl,"-- (size=%lu,%s)\n",dwCopied,lpszPath);
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}
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//remove the last backslash if necessary
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if(dwCopied)
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{ if(*(lpszPath + strlen(lpszPath) - 1) == '\\')
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{ *(lpszPath + strlen(lpszPath) - 1) = 0;
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dwCopied--;
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}
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}
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TRACE(pidl,"-- (path=%s)\n",lpszPath);
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return dwCopied;
|
|
}
|
|
|
|
|
|
/**************************************************************************
|
|
* _ILGetValueText()
|
|
* Gets the text for the last item in the list
|
|
*/
|
|
DWORD WINAPI _ILGetValueText(
|
|
LPCITEMIDLIST pidl, LPSTR lpszValue, DWORD dwSize)
|
|
{ LPITEMIDLIST pidlTemp=pidl;
|
|
CHAR szText[MAX_PATH];
|
|
|
|
TRACE(pidl,"(pidl=%p %p 0x%08lx)\n",pidl,lpszValue,dwSize);
|
|
|
|
if(!pidl)
|
|
{ return 0;
|
|
}
|
|
|
|
while(pidlTemp->mkid.cb && !_ILIsValue(pidlTemp))
|
|
{ pidlTemp = ILGetNext(pidlTemp);
|
|
}
|
|
|
|
if(!pidlTemp->mkid.cb)
|
|
{ return 0;
|
|
}
|
|
|
|
_ILGetItemText( pidlTemp, szText, sizeof(szText));
|
|
|
|
if(!lpszValue)
|
|
{ return strlen(szText) + 1;
|
|
}
|
|
strcpy(lpszValue, szText);
|
|
TRACE(pidl,"-- (pidl=%p %p=%s 0x%08lx)\n",pidl,lpszValue,lpszValue,dwSize);
|
|
return strlen(lpszValue);
|
|
}
|
|
/**************************************************************************
|
|
* _ILGetDataText()
|
|
* NOTES
|
|
* used from ShellView
|
|
*/
|
|
DWORD WINAPI _ILGetDataText( LPCITEMIDLIST pidlPath, LPCITEMIDLIST pidlValue, LPSTR lpszOut, DWORD dwOutSize)
|
|
{ LPSTR lpszFolder,
|
|
lpszValueName;
|
|
DWORD dwNameSize;
|
|
|
|
FIXME(pidl,"(pidl=%p pidl=%p) stub\n",pidlPath,pidlValue);
|
|
|
|
if(!lpszOut || !pidlPath || !pidlValue)
|
|
{ return FALSE;
|
|
}
|
|
|
|
/* fixme: get the driveletter*/
|
|
|
|
//assemble the Folder string
|
|
dwNameSize = _ILGetFolderText(pidlPath, NULL, 0);
|
|
lpszFolder = (LPSTR)HeapAlloc(GetProcessHeap(),0,dwNameSize);
|
|
if(!lpszFolder)
|
|
{ return FALSE;
|
|
}
|
|
_ILGetFolderText(pidlPath, lpszFolder, dwNameSize);
|
|
|
|
//assemble the value name
|
|
dwNameSize = _ILGetValueText(pidlValue, NULL, 0);
|
|
lpszValueName = (LPSTR)HeapAlloc(GetProcessHeap(),0,dwNameSize);
|
|
if(!lpszValueName)
|
|
{ HeapFree(GetProcessHeap(),0,lpszFolder);
|
|
return FALSE;
|
|
}
|
|
_ILGetValueText(pidlValue, lpszValueName, dwNameSize);
|
|
|
|
/* fixme: we've got the path now do something with it*/
|
|
|
|
HeapFree(GetProcessHeap(),0,lpszFolder);
|
|
HeapFree(GetProcessHeap(),0,lpszValueName);
|
|
|
|
TRACE(pidl,"-- (%p=%s 0x%08lx)\n",lpszOut,lpszOut,dwOutSize);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* _ILGetPidlPath()
|
|
* Create a string that includes the Drive name, the folder text and
|
|
* the value text.
|
|
*/
|
|
DWORD WINAPI _ILGetPidlPath( LPCITEMIDLIST pidl, LPSTR lpszOut, DWORD dwOutSize)
|
|
{ LPSTR lpszTemp;
|
|
WORD len;
|
|
|
|
TRACE(pidl,"(%p,%lu)\n",lpszOut,dwOutSize);
|
|
|
|
if(!lpszOut)
|
|
{ return 0;
|
|
}
|
|
|
|
*lpszOut = 0;
|
|
lpszTemp = lpszOut;
|
|
|
|
dwOutSize -= _ILGetFolderText(pidl, lpszTemp, dwOutSize);
|
|
|
|
//add a backslash if necessary
|
|
len = strlen(lpszTemp);
|
|
if (len && lpszTemp[len-1]!='\\')
|
|
{ lpszTemp[len+0]='\\';
|
|
lpszTemp[len+1]='\0';
|
|
dwOutSize--;
|
|
}
|
|
|
|
lpszTemp = lpszOut + strlen(lpszOut);
|
|
|
|
//add the value string
|
|
_ILGetValueText(pidl, lpszTemp, dwOutSize);
|
|
|
|
//remove the last backslash if necessary
|
|
if(*(lpszOut + strlen(lpszOut) - 1) == '\\')
|
|
{ *(lpszOut + strlen(lpszOut) - 1) = 0;
|
|
}
|
|
|
|
TRACE(pidl,"-- (%p=%s,%lu)\n",lpszOut,lpszOut,dwOutSize);
|
|
|
|
return strlen(lpszOut);
|
|
|
|
}
|
|
|
|
/**************************************************************************
|
|
* _ILCreate()
|
|
* Creates a new PIDL
|
|
* type = PT_DESKTOP | PT_DRIVE | PT_FOLDER | PT_VALUE
|
|
* pIn = data
|
|
* uInSize = size of data
|
|
*/
|
|
|
|
LPITEMIDLIST WINAPI _ILCreate(PIDLTYPE type, LPVOID pIn, UINT16 uInSize)
|
|
{ LPITEMIDLIST pidlOut=NULL;
|
|
UINT16 uSize;
|
|
LPITEMIDLIST pidlTemp=NULL;
|
|
LPPIDLDATA pData;
|
|
LPSTR pszDest;
|
|
|
|
TRACE(pidl,"(%x %p %x)\n",type,pIn,uInSize);
|
|
|
|
if ( type == PT_DESKTOP)
|
|
{ pidlOut = SHAlloc(2);
|
|
pidlOut->mkid.cb=0x0000;
|
|
return pidlOut;
|
|
}
|
|
|
|
if (! pIn)
|
|
{ return NULL;
|
|
}
|
|
|
|
/* the sizes of: cb(2), pidldata-1, szText+1, next cb(2) */
|
|
switch (type)
|
|
{ case PT_DRIVE:
|
|
uSize = 4 + 10;
|
|
break;
|
|
default:
|
|
uSize = 4 + (sizeof(PIDLDATA)) + uInSize;
|
|
}
|
|
pidlOut = SHAlloc(uSize);
|
|
pidlTemp = pidlOut;
|
|
if(pidlOut)
|
|
{ pidlTemp->mkid.cb = uSize - 2;
|
|
pData =_ILGetDataPointer(pidlTemp);
|
|
pszDest = _ILGetTextPointer(type, pData);
|
|
pData->type = type;
|
|
switch(type)
|
|
{ case PT_MYCOMP:
|
|
memcpy(pszDest, pIn, uInSize);
|
|
TRACE(pidl,"- create My Computer: %s\n",debugstr_a(pszDest));
|
|
break;
|
|
case PT_DRIVE:
|
|
memcpy(pszDest, pIn, uInSize);
|
|
TRACE(pidl,"- create Drive: %s\n",debugstr_a(pszDest));
|
|
break;
|
|
case PT_FOLDER:
|
|
case PT_VALUE:
|
|
memcpy(pszDest, pIn, uInSize);
|
|
TRACE(pidl,"- create Value: %s\n",debugstr_a(pszDest));
|
|
break;
|
|
default:
|
|
FIXME(pidl,"-- wrong argument\n");
|
|
break;
|
|
}
|
|
|
|
pidlTemp = ILGetNext(pidlTemp);
|
|
pidlTemp->mkid.cb = 0x00;
|
|
}
|
|
TRACE(pidl,"-- (pidl=%p, size=%u)\n",pidlOut,uSize-2);
|
|
return pidlOut;
|
|
}
|
|
/**************************************************************************
|
|
* _ILGetData(PIDLTYPE, LPCITEMIDLIST, LPVOID, UINT16)
|
|
*/
|
|
DWORD WINAPI _ILGetData(PIDLTYPE type, LPCITEMIDLIST pidl, LPVOID pOut, UINT16 uOutSize)
|
|
{ LPPIDLDATA pData;
|
|
DWORD dwReturn=0;
|
|
LPSTR pszSrc;
|
|
|
|
TRACE(pidl,"(%x %p %p %x)\n",type,pidl,pOut,uOutSize);
|
|
|
|
if(!pidl)
|
|
{ return 0;
|
|
}
|
|
|
|
*(LPSTR)pOut = 0;
|
|
|
|
pData = _ILGetDataPointer(pidl);
|
|
if ( pData->type != type)
|
|
{ ERR(pidl,"-- wrong type\n");
|
|
return 0;
|
|
}
|
|
pszSrc = _ILGetTextPointer(pData->type, pData);
|
|
|
|
switch(type)
|
|
{ case PT_MYCOMP:
|
|
if(uOutSize < 1)
|
|
return 0;
|
|
strncpy((LPSTR)pOut, "My Computer", uOutSize);
|
|
dwReturn = strlen((LPSTR)pOut);
|
|
break;
|
|
|
|
case PT_DRIVE:
|
|
if(uOutSize < 1)
|
|
return 0;
|
|
strncpy((LPSTR)pOut, pszSrc, uOutSize);
|
|
dwReturn = strlen((LPSTR)pOut);
|
|
break;
|
|
|
|
case PT_FOLDER:
|
|
case PT_VALUE:
|
|
strncpy((LPSTR)pOut, pszSrc, uOutSize);
|
|
dwReturn = strlen((LPSTR)pOut);
|
|
break;
|
|
default:
|
|
ERR(pidl,"-- unknown type\n");
|
|
break;
|
|
}
|
|
TRACE(pidl,"-- (%p=%s 0x%08lx)\n",pOut,(char*)pOut,dwReturn);
|
|
return dwReturn;
|
|
}
|
|
|
|
|
|
/**************************************************************************
|
|
* _ILGetDataPointer()
|
|
*/
|
|
LPPIDLDATA WINAPI _ILGetDataPointer(LPITEMIDLIST pidl)
|
|
{ if(!pidl)
|
|
{ return NULL;
|
|
}
|
|
/* TRACE(pidl,"(%p)\n", pidl);*/
|
|
return (LPPIDLDATA)(&pidl->mkid.abID);
|
|
}
|
|
/**************************************************************************
|
|
* _ILGetTextPointer()
|
|
* gets a pointer to the string stored in the pidl
|
|
*/
|
|
LPSTR WINAPI _ILGetTextPointer(PIDLTYPE type, LPPIDLDATA pidldata)
|
|
{/* TRACE(pidl,"(type=%x data=%p)\n", type, pidldata);*/
|
|
|
|
if(!pidldata)
|
|
{ return NULL;
|
|
}
|
|
switch (type)
|
|
{ case PT_DRIVE:
|
|
return (LPSTR)&(pidldata->u.drive.szDriveName);
|
|
case PT_MYCOMP:
|
|
case PT_FOLDER:
|
|
case PT_VALUE:
|
|
return (LPSTR)&(pidldata->u.file.szText);
|
|
}
|
|
return NULL;
|
|
}
|