689 lines
16 KiB
C
689 lines
16 KiB
C
/*
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* IEnumIDList
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*
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* Copyright 1998 Juergen Schmied <juergen.schmied@metronet.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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <stdarg.h>
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#include <stdlib.h>
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#include <string.h>
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#include "wine/debug.h"
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#include "windef.h"
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#include "winbase.h"
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#include "winreg.h"
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#include "undocshell.h"
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#include "shlwapi.h"
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#include "winerror.h"
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#include "objbase.h"
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#include <cpl.h>
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#include "pidl.h"
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#include "shlguid.h"
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#include "shell32_main.h"
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#include "cpanel.h"
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WINE_DEFAULT_DEBUG_CHANNEL(shell);
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typedef struct tagENUMLIST
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{
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struct tagENUMLIST *pNext;
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LPITEMIDLIST pidl;
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} ENUMLIST, *LPENUMLIST;
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typedef struct
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{
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ICOM_VFIELD(IEnumIDList);
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DWORD ref;
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LPENUMLIST mpFirst;
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LPENUMLIST mpLast;
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LPENUMLIST mpCurrent;
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} IEnumIDListImpl;
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static struct ICOM_VTABLE(IEnumIDList) eidlvt;
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/**************************************************************************
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* AddToEnumList()
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*/
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static BOOL AddToEnumList(
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IEnumIDList * iface,
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LPITEMIDLIST pidl)
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{
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ICOM_THIS(IEnumIDListImpl,iface);
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LPENUMLIST pNew;
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TRACE("(%p)->(pidl=%p)\n",This,pidl);
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pNew = (LPENUMLIST)SHAlloc(sizeof(ENUMLIST));
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if(pNew)
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{
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/*set the next pointer */
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pNew->pNext = NULL;
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pNew->pidl = pidl;
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/*is This the first item in the list? */
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if(!This->mpFirst)
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{
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This->mpFirst = pNew;
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This->mpCurrent = pNew;
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}
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if(This->mpLast)
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{
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/*add the new item to the end of the list */
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This->mpLast->pNext = pNew;
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}
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/*update the last item pointer */
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This->mpLast = pNew;
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TRACE("-- (%p)->(first=%p, last=%p)\n",This,This->mpFirst,This->mpLast);
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return TRUE;
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}
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return FALSE;
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}
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/**************************************************************************
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* CreateFolderEnumList()
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*/
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static BOOL CreateFolderEnumList(
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IEnumIDList * iface,
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LPCSTR lpszPath,
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DWORD dwFlags)
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{
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ICOM_THIS(IEnumIDListImpl,iface);
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LPITEMIDLIST pidl=NULL;
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WIN32_FIND_DATAA stffile;
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HANDLE hFile;
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CHAR szPath[MAX_PATH];
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TRACE("(%p)->(path=%s flags=0x%08lx) \n",This,debugstr_a(lpszPath),dwFlags);
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if(!lpszPath || !lpszPath[0]) return FALSE;
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strcpy(szPath, lpszPath);
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PathAddBackslashA(szPath);
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strcat(szPath,"*.*");
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/*enumerate the folders*/
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if(dwFlags & SHCONTF_FOLDERS)
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{
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TRACE("-- (%p)-> enumerate SHCONTF_FOLDERS of %s\n",This,debugstr_a(szPath));
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hFile = FindFirstFileA(szPath,&stffile);
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if ( hFile != INVALID_HANDLE_VALUE )
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{
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do
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{
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if ( !(dwFlags & SHCONTF_INCLUDEHIDDEN) && (stffile.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN) ) continue;
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if ( (stffile.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) && strcmp (stffile.cFileName, ".") && strcmp (stffile.cFileName, ".."))
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{
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pidl = _ILCreateFromFindDataA (&stffile);
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if(pidl && AddToEnumList((IEnumIDList*)This, pidl))
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{
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continue;
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}
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return FALSE;
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}
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} while( FindNextFileA(hFile,&stffile));
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FindClose (hFile);
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}
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}
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/*enumerate the non-folder items (values) */
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if(dwFlags & SHCONTF_NONFOLDERS)
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{
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TRACE("-- (%p)-> enumerate SHCONTF_NONFOLDERS of %s\n",This,debugstr_a(szPath));
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hFile = FindFirstFileA(szPath,&stffile);
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if ( hFile != INVALID_HANDLE_VALUE )
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{
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do
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{
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if ( !(dwFlags & SHCONTF_INCLUDEHIDDEN) && (stffile.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN) ) continue;
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if (! (stffile.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) )
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{
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pidl = _ILCreateFromFindDataA(&stffile);
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if(pidl && AddToEnumList((IEnumIDList*)This, pidl))
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{
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continue;
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}
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return FALSE;
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}
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} while( FindNextFileA(hFile,&stffile));
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FindClose (hFile);
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}
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}
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return TRUE;
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}
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BOOL SHELL_RegisterCPanelApp(IEnumIDList* list, LPCSTR path)
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{
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LPITEMIDLIST pidl;
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CPlApplet* applet;
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CPanel panel;
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CPLINFO info;
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unsigned i;
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int iconIdx;
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char displayName[MAX_PATH];
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char comment[MAX_PATH];
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WCHAR wpath[MAX_PATH];
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MultiByteToWideChar(CP_ACP, 0, path, -1, wpath, MAX_PATH);
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panel.first = NULL;
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applet = Control_LoadApplet(0, wpath, &panel);
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if (applet) {
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for(i=0; i<applet->count; ++i) {
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WideCharToMultiByte(CP_ACP, 0, applet->info[i].szName, -1, displayName, MAX_PATH, 0, 0);
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WideCharToMultiByte(CP_ACP, 0, applet->info[i].szInfo, -1, comment, MAX_PATH, 0, 0);
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applet->proc(0, CPL_INQUIRE, i, (LPARAM)&info);
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if (info.idIcon > 0)
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iconIdx = -info.idIcon; /* negative icon index instead of icon number */
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else
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iconIdx = 0;
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pidl = _ILCreateCPanel(path, displayName, comment, iconIdx);
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if (pidl)
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AddToEnumList(list, pidl);
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}
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Control_UnloadApplet(applet);
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}
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return TRUE;
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}
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int SHELL_RegisterRegistryCPanelApps(IEnumIDList* list, HKEY hkey_root, LPCSTR szRepPath)
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{
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char name[MAX_PATH];
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char value[MAX_PATH];
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HKEY hkey;
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int cnt = 0;
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if (RegOpenKeyA(hkey_root, szRepPath, &hkey) == ERROR_SUCCESS)
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{
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int idx = 0;
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for(;; ++idx)
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{
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DWORD nameLen = MAX_PATH;
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DWORD valueLen = MAX_PATH;
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if (RegEnumValueA(hkey, idx, name, &nameLen, NULL, NULL, (LPBYTE)&value, &valueLen) != ERROR_SUCCESS)
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break;
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if (SHELL_RegisterCPanelApp(list, value))
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++cnt;
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}
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RegCloseKey(hkey);
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}
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return cnt;
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}
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int SHELL_RegisterCPanelFolders(IEnumIDList* list, HKEY hkey_root, LPCSTR szRepPath)
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{
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char name[MAX_PATH];
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HKEY hkey;
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int cnt = 0;
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if (RegOpenKeyA(hkey_root, szRepPath, &hkey) == ERROR_SUCCESS)
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{
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int idx = 0;
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for(;; ++idx)
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{
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if (RegEnumKeyA(hkey, idx, name, MAX_PATH) != ERROR_SUCCESS)
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break;
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if (*name == '{') {
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LPITEMIDLIST pidl = _ILCreateGuidFromStrA(name);
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if (pidl && AddToEnumList(list, pidl))
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++cnt;
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}
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}
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RegCloseKey(hkey);
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}
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return cnt;
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}
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/**************************************************************************
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* CreateCPanelEnumList()
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*/
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static BOOL CreateCPanelEnumList(
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IEnumIDList * iface,
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DWORD dwFlags)
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{
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ICOM_THIS(IEnumIDListImpl,iface);
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CHAR szPath[MAX_PATH];
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WIN32_FIND_DATAA wfd;
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HANDLE hFile;
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TRACE("(%p)->(flags=0x%08lx) \n",This,dwFlags);
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/* enumerate control panel folders folders */
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if (dwFlags & SHCONTF_FOLDERS)
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SHELL_RegisterCPanelFolders((IEnumIDList*)This, HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Explorer\\ControlPanel\\NameSpace");
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/* enumerate the control panel applets */
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if (dwFlags & SHCONTF_NONFOLDERS)
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{
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LPSTR p;
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GetSystemDirectoryA(szPath, MAX_PATH);
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p = PathAddBackslashA(szPath);
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strcpy(p, "*.cpl");
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TRACE("-- (%p)-> enumerate SHCONTF_NONFOLDERS of %s\n",This,debugstr_a(szPath));
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hFile = FindFirstFileA(szPath, &wfd);
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if (hFile != INVALID_HANDLE_VALUE)
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{
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do
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{
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if (!(dwFlags & SHCONTF_INCLUDEHIDDEN) && (wfd.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN))
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continue;
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if (!(wfd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)) {
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strcpy(p, wfd.cFileName);
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SHELL_RegisterCPanelApp((IEnumIDList*)This, szPath);
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}
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} while(FindNextFileA(hFile, &wfd));
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FindClose(hFile);
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}
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SHELL_RegisterRegistryCPanelApps((IEnumIDList*)This, HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Control Panel\\Cpls");
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SHELL_RegisterRegistryCPanelApps((IEnumIDList*)This, HKEY_CURRENT_USER, "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Control Panel\\Cpls");
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}
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return TRUE;
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}
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/**************************************************************************
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* CreateDesktopEnumList()
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*/
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static BOOL CreateDesktopEnumList(
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IEnumIDList * iface,
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DWORD dwFlags)
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{
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ICOM_THIS(IEnumIDListImpl,iface);
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LPITEMIDLIST pidl=NULL;
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HKEY hkey;
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char szPath[MAX_PATH];
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TRACE("(%p)->(flags=0x%08lx) \n",This,dwFlags);
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/*enumerate the root folders */
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if(dwFlags & SHCONTF_FOLDERS)
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{
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/*create the pidl for This item */
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pidl = _ILCreateMyComputer();
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if(pidl)
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{
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if(!AddToEnumList((IEnumIDList*)This, pidl))
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return FALSE;
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}
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if (! RegOpenKeyExA(HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\explorer\\desktop\\NameSpace", 0, KEY_READ, &hkey))
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{
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char iid[50];
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int i=0;
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while (1)
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{
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DWORD size = sizeof (iid);
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if (ERROR_SUCCESS!=RegEnumKeyExA(hkey, i, iid, &size, 0, NULL, NULL, NULL))
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break;
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pidl = _ILCreateGuidFromStrA(iid);
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if(pidl)
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AddToEnumList((IEnumIDList*)This, pidl);
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i++;
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}
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RegCloseKey(hkey);
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}
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}
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/*enumerate the elements in %windir%\desktop */
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SHGetSpecialFolderPathA(0, szPath, CSIDL_DESKTOPDIRECTORY, FALSE);
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CreateFolderEnumList( (IEnumIDList*)This, szPath, dwFlags);
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return TRUE;
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}
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/**************************************************************************
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* CreateMyCompEnumList()
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*/
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static BOOL CreateMyCompEnumList(
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IEnumIDList * iface,
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DWORD dwFlags)
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{
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ICOM_THIS(IEnumIDListImpl,iface);
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LPITEMIDLIST pidl=NULL;
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DWORD dwDrivemap;
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CHAR szDriveName[4];
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HKEY hkey;
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TRACE("(%p)->(flags=0x%08lx) \n",This,dwFlags);
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/*enumerate the folders*/
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if(dwFlags & SHCONTF_FOLDERS)
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{
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dwDrivemap = GetLogicalDrives();
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strcpy (szDriveName,"A:\\");
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while (szDriveName[0]<='Z')
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{
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if(dwDrivemap & 0x00000001L)
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{
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pidl = _ILCreateDrive(szDriveName);
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if(pidl)
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{
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if(!AddToEnumList((IEnumIDList*)This, pidl))
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return FALSE;
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}
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}
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szDriveName[0]++;
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dwDrivemap = dwDrivemap >> 1;
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}
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TRACE("-- (%p)-> enumerate (mycomputer shell extensions)\n",This);
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if (! RegOpenKeyExA(HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\explorer\\mycomputer\\NameSpace", 0, KEY_READ, &hkey))
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{
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char iid[50];
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int i=0;
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while (1)
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{
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DWORD size = sizeof (iid);
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if (ERROR_SUCCESS!=RegEnumKeyExA(hkey, i, iid, &size, 0, NULL, NULL, NULL))
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break;
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pidl = _ILCreateGuidFromStrA(iid);
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if(pidl)
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AddToEnumList((IEnumIDList*)This, pidl);
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i++;
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}
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RegCloseKey(hkey);
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}
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}
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return TRUE;
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}
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/**************************************************************************
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* DeleteList()
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*/
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static BOOL DeleteList(
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IEnumIDList * iface)
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{
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ICOM_THIS(IEnumIDListImpl,iface);
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LPENUMLIST pDelete;
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TRACE("(%p)->()\n",This);
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while(This->mpFirst)
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{ pDelete = This->mpFirst;
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This->mpFirst = pDelete->pNext;
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SHFree(pDelete->pidl);
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SHFree(pDelete);
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}
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This->mpFirst = This->mpLast = This->mpCurrent = NULL;
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return TRUE;
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}
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/**************************************************************************
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* IEnumIDList_Folder_Constructor
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*
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*/
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IEnumIDList * IEnumIDList_Constructor(
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LPCSTR lpszPath,
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DWORD dwFlags,
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DWORD dwKind)
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{
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IEnumIDListImpl* lpeidl;
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BOOL ret = FALSE;
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TRACE("()->(%s flags=0x%08lx kind=0x%08lx)\n",debugstr_a(lpszPath),dwFlags, dwKind);
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lpeidl = (IEnumIDListImpl*)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IEnumIDListImpl));
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if (lpeidl)
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{
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lpeidl->ref = 1;
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lpeidl->lpVtbl = &eidlvt;
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switch (dwKind)
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{
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case EIDL_DESK:
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ret = CreateDesktopEnumList((IEnumIDList*)lpeidl, dwFlags);
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break;
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case EIDL_MYCOMP:
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ret = CreateMyCompEnumList((IEnumIDList*)lpeidl, dwFlags);
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break;
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case EIDL_FILE:
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ret = CreateFolderEnumList((IEnumIDList*)lpeidl, lpszPath, dwFlags);
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break;
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case EIDL_CPANEL:
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ret = CreateCPanelEnumList((IEnumIDList*)lpeidl, dwFlags);
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break;
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}
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if(!ret) {
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HeapFree(GetProcessHeap(),0,lpeidl);
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lpeidl = NULL;
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}
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}
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TRACE("-- (%p)->()\n",lpeidl);
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return (IEnumIDList*)lpeidl;
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}
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/**************************************************************************
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* EnumIDList_QueryInterface
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*/
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static HRESULT WINAPI IEnumIDList_fnQueryInterface(
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IEnumIDList * iface,
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REFIID riid,
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LPVOID *ppvObj)
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{
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ICOM_THIS(IEnumIDListImpl,iface);
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TRACE("(%p)->(\n\tIID:\t%s,%p)\n",This,debugstr_guid(riid),ppvObj);
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*ppvObj = NULL;
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if(IsEqualIID(riid, &IID_IUnknown)) /*IUnknown*/
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{ *ppvObj = This;
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}
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else if(IsEqualIID(riid, &IID_IEnumIDList)) /*IEnumIDList*/
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{ *ppvObj = (IEnumIDList*)This;
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}
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if(*ppvObj)
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{ IEnumIDList_AddRef((IEnumIDList*)*ppvObj);
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TRACE("-- Interface: (%p)->(%p)\n",ppvObj,*ppvObj);
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return S_OK;
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}
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TRACE("-- Interface: E_NOINTERFACE\n");
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return E_NOINTERFACE;
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}
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/******************************************************************************
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* IEnumIDList_fnAddRef
|
|
*/
|
|
static ULONG WINAPI IEnumIDList_fnAddRef(
|
|
IEnumIDList * iface)
|
|
{
|
|
ICOM_THIS(IEnumIDListImpl,iface);
|
|
TRACE("(%p)->(%lu)\n",This,This->ref);
|
|
return ++(This->ref);
|
|
}
|
|
/******************************************************************************
|
|
* IEnumIDList_fnRelease
|
|
*/
|
|
static ULONG WINAPI IEnumIDList_fnRelease(
|
|
IEnumIDList * iface)
|
|
{
|
|
ICOM_THIS(IEnumIDListImpl,iface);
|
|
|
|
TRACE("(%p)->(%lu)\n",This,This->ref);
|
|
|
|
if (!--(This->ref)) {
|
|
TRACE(" destroying IEnumIDList(%p)\n",This);
|
|
DeleteList((IEnumIDList*)This);
|
|
HeapFree(GetProcessHeap(),0,This);
|
|
return 0;
|
|
}
|
|
return This->ref;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* IEnumIDList_fnNext
|
|
*/
|
|
|
|
static HRESULT WINAPI IEnumIDList_fnNext(
|
|
IEnumIDList * iface,
|
|
ULONG celt,
|
|
LPITEMIDLIST * rgelt,
|
|
ULONG *pceltFetched)
|
|
{
|
|
ICOM_THIS(IEnumIDListImpl,iface);
|
|
|
|
ULONG i;
|
|
HRESULT hr = S_OK;
|
|
LPITEMIDLIST temp;
|
|
|
|
TRACE("(%p)->(%ld,%p, %p)\n",This,celt,rgelt,pceltFetched);
|
|
|
|
/* It is valid to leave pceltFetched NULL when celt is 1. Some of explorer's
|
|
* subsystems actually use it (and so may a third party browser)
|
|
*/
|
|
if(pceltFetched)
|
|
*pceltFetched = 0;
|
|
|
|
*rgelt=0;
|
|
|
|
if(celt > 1 && !pceltFetched)
|
|
{ return E_INVALIDARG;
|
|
}
|
|
|
|
if(celt > 0 && !This->mpCurrent)
|
|
{ return S_FALSE;
|
|
}
|
|
|
|
for(i = 0; i < celt; i++)
|
|
{ if(!(This->mpCurrent))
|
|
break;
|
|
|
|
temp = ILClone(This->mpCurrent->pidl);
|
|
rgelt[i] = temp;
|
|
This->mpCurrent = This->mpCurrent->pNext;
|
|
}
|
|
if(pceltFetched)
|
|
{ *pceltFetched = i;
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* IEnumIDList_fnSkip
|
|
*/
|
|
static HRESULT WINAPI IEnumIDList_fnSkip(
|
|
IEnumIDList * iface,ULONG celt)
|
|
{
|
|
ICOM_THIS(IEnumIDListImpl,iface);
|
|
|
|
DWORD dwIndex;
|
|
HRESULT hr = S_OK;
|
|
|
|
TRACE("(%p)->(%lu)\n",This,celt);
|
|
|
|
for(dwIndex = 0; dwIndex < celt; dwIndex++)
|
|
{ if(!This->mpCurrent)
|
|
{ hr = S_FALSE;
|
|
break;
|
|
}
|
|
This->mpCurrent = This->mpCurrent->pNext;
|
|
}
|
|
return hr;
|
|
}
|
|
/**************************************************************************
|
|
* IEnumIDList_fnReset
|
|
*/
|
|
static HRESULT WINAPI IEnumIDList_fnReset(
|
|
IEnumIDList * iface)
|
|
{
|
|
ICOM_THIS(IEnumIDListImpl,iface);
|
|
|
|
TRACE("(%p)\n",This);
|
|
This->mpCurrent = This->mpFirst;
|
|
return S_OK;
|
|
}
|
|
/**************************************************************************
|
|
* IEnumIDList_fnClone
|
|
*/
|
|
static HRESULT WINAPI IEnumIDList_fnClone(
|
|
IEnumIDList * iface,LPENUMIDLIST * ppenum)
|
|
{
|
|
ICOM_THIS(IEnumIDListImpl,iface);
|
|
|
|
TRACE("(%p)->() to (%p)->() E_NOTIMPL\n",This,ppenum);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* IEnumIDList_fnVTable
|
|
*/
|
|
static ICOM_VTABLE (IEnumIDList) eidlvt =
|
|
{
|
|
ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
|
|
IEnumIDList_fnQueryInterface,
|
|
IEnumIDList_fnAddRef,
|
|
IEnumIDList_fnRelease,
|
|
IEnumIDList_fnNext,
|
|
IEnumIDList_fnSkip,
|
|
IEnumIDList_fnReset,
|
|
IEnumIDList_fnClone,
|
|
};
|