Sweden-Number/dlls/shell32/brsfolder.c

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/*
* Copyright 1999 Juergen Schmied
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* FIXME:
* - many memory leaks
* - many flags unimplemented
*/
#include <stdlib.h>
#include <string.h>
#define COBJMACROS
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "wine/debug.h"
#include "undocshell.h"
#include "shlguid.h"
#include "pidl.h"
#include "shell32_main.h"
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#include "shellapi.h"
#include "shresdef.h"
WINE_DEFAULT_DEBUG_CHANNEL(shell);
static HWND hwndTreeView;
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static LPBROWSEINFOW lpBrowseInfo;
static LPITEMIDLIST pidlRet;
static void FillTreeView(LPSHELLFOLDER lpsf, LPITEMIDLIST lpifq, HTREEITEM hParent, IEnumIDList* lpe);
static HTREEITEM InsertTreeViewItem(IShellFolder * lpsf, LPCITEMIDLIST pidl, LPCITEMIDLIST pidlParent, IEnumIDList* pEnumIL, HTREEITEM hParent);
#define SUPPORTEDFLAGS (BIF_STATUSTEXT | \
BIF_BROWSEFORCOMPUTER | \
BIF_RETURNFSANCESTORS | \
BIF_RETURNONLYFSDIRS | \
BIF_BROWSEINCLUDEFILES)
static inline DWORD BrowseFlagsToSHCONTF(UINT ulFlags)
{
return SHCONTF_FOLDERS | (ulFlags & BIF_BROWSEINCLUDEFILES ? SHCONTF_NONFOLDERS : 0);
}
/******************************************************************************
* InitializeTreeView [Internal]
*
* Called from WM_INITDIALOG handler.
*
* PARAMS
* hwndParent [I] The BrowseForFolder dialog
* root [I] ITEMIDLIST of the root shell folder
*/
static void InitializeTreeView(HWND hwndParent, LPCITEMIDLIST root)
{
LPITEMIDLIST pidlParent, pidlChild;
HIMAGELIST hImageList;
HRESULT hr;
IShellFolder *lpsfParent, *lpsfRoot;
IEnumIDList * pEnumChildren = NULL;
TRACE("dlg=%p tree=%p\n", hwndParent, hwndTreeView );
hwndTreeView = GetDlgItem (hwndParent, IDD_TREEVIEW);
if (!hwndTreeView) {
FIXME("Could not get handle to treeview control! Error: %08lx\n", GetLastError());
return;
}
Shell_GetImageList(NULL, &hImageList);
if (hImageList)
TreeView_SetImageList(hwndTreeView, hImageList, 0);
/* We want to call InsertTreeViewItem down the code, in order to insert
* the root item of the treeview. Due to InsertTreeViewItem's signature,
* we need the following to do this:
*
* + An ITEMIDLIST corresponding to _the parent_ of root.
* + An ITEMIDLIST, which is a relative path from root's parent to root
* (containing a single SHITEMID).
* + An IShellFolder interface pointer of root's parent folder.
*
* If root is 'Desktop', then root's parent is also 'Desktop'.
*/
pidlParent = ILClone(root);
ILRemoveLastID(pidlParent);
pidlChild = ILClone(ILFindLastID(root));
if (_ILIsDesktop(pidlParent)) {
hr = SHGetDesktopFolder(&lpsfParent);
} else {
IShellFolder *lpsfDesktop;
hr = SHGetDesktopFolder(&lpsfDesktop);
if (!SUCCEEDED(hr)) {
WARN("SHGetDesktopFolder failed! hr = %08lx\n", hr);
return;
}
hr = IShellFolder_BindToObject(lpsfDesktop, pidlParent, 0, &IID_IShellFolder, (LPVOID*)&lpsfParent);
IShellFolder_Release(lpsfDesktop);
}
if (!SUCCEEDED(hr)) {
WARN("Could not bind to parent shell folder! hr = %08lx\n", hr);
return;
}
if (pidlChild && pidlChild->mkid.cb) {
hr = IShellFolder_BindToObject(lpsfParent, pidlChild, 0, &IID_IShellFolder, (LPVOID*)&lpsfRoot);
} else {
lpsfRoot = lpsfParent;
hr = IShellFolder_AddRef(lpsfParent);
}
if (!SUCCEEDED(hr)) {
WARN("Could not bind to root shell folder! hr = %08lx\n", hr);
IShellFolder_Release(lpsfParent);
return;
}
hr = IShellFolder_EnumObjects(lpsfRoot, hwndParent, BrowseFlagsToSHCONTF(lpBrowseInfo->ulFlags), &pEnumChildren);
if (!SUCCEEDED(hr)) {
WARN("Could not get child iterator! hr = %08lx\n", hr);
IShellFolder_Release(lpsfParent);
IShellFolder_Release(lpsfRoot);
return;
}
TreeView_DeleteAllItems(hwndTreeView);
TreeView_Expand(hwndTreeView, InsertTreeViewItem(lpsfParent, pidlChild, pidlParent, pEnumChildren, TVI_ROOT), TVE_EXPAND);
IShellFolder_Release(lpsfRoot);
IShellFolder_Release(lpsfParent);
}
static int GetIcon(LPITEMIDLIST lpi, UINT uFlags)
{
SHFILEINFOW sfi;
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SHGetFileInfoW((LPCWSTR)lpi, 0 ,&sfi, sizeof(SHFILEINFOW), uFlags);
return sfi.iIcon;
}
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static void GetNormalAndSelectedIcons(LPITEMIDLIST lpifq, LPTVITEMW lpTV_ITEM)
{
LPITEMIDLIST pidlDesktop = NULL;
TRACE("%p %p\n",lpifq, lpTV_ITEM);
if (!lpifq)
{
pidlDesktop = _ILCreateDesktop();
lpifq = pidlDesktop;
}
lpTV_ITEM->iImage = GetIcon(lpifq, SHGFI_PIDL | SHGFI_SYSICONINDEX | SHGFI_SMALLICON);
lpTV_ITEM->iSelectedImage = GetIcon(lpifq, SHGFI_PIDL | SHGFI_SYSICONINDEX | SHGFI_SMALLICON | SHGFI_OPENICON);
if (pidlDesktop)
ILFree(pidlDesktop);
return;
}
typedef struct tagID
{
LPSHELLFOLDER lpsfParent; /* IShellFolder of the parent */
LPITEMIDLIST lpi; /* PIDL relativ to parent */
LPITEMIDLIST lpifq; /* Fully qualified PIDL */
IEnumIDList* pEnumIL; /* Children iterator */
} TV_ITEMDATA, *LPTV_ITEMDATA;
/******************************************************************************
* GetName [Internal]
*
* Query a shell folder for the display name of one of it's children
*
* PARAMS
* lpsf [I] IShellFolder interface of the folder to be queried.
* lpi [I] ITEMIDLIST of the child, relative to parent
* dwFlags [I] as in IShellFolder::GetDisplayNameOf
* lpFriendlyName [O] The desired display name in unicode
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
static BOOL GetName(LPSHELLFOLDER lpsf, LPCITEMIDLIST lpi, DWORD dwFlags, LPWSTR lpFriendlyName)
{
BOOL bSuccess=TRUE;
STRRET str;
TRACE("%p %p %lx %p\n", lpsf, lpi, dwFlags, lpFriendlyName);
if (SUCCEEDED(IShellFolder_GetDisplayNameOf(lpsf, lpi, dwFlags, &str)))
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{
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if (FAILED(StrRetToStrNW(lpFriendlyName, MAX_PATH, &str, lpi)))
{
bSuccess = FALSE;
}
}
else
bSuccess = FALSE;
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TRACE("-- %s\n", debugstr_w(lpFriendlyName));
return bSuccess;
}
/******************************************************************************
* InsertTreeViewItem [Internal]
*
* PARAMS
* lpsf [I] IShellFolder interface of the item's parent shell folder
* pidl [I] ITEMIDLIST of the child to insert, relativ to parent
* pidlParent [I] ITEMIDLIST of the parent shell folder
* pEnumIL [I] Iterator for the children of the item to be inserted
* hParent [I] The treeview-item that represents the parent shell folder
*
* RETURNS
* Success: Handle to the created and inserted treeview-item
* Failure: NULL
*/
static HTREEITEM InsertTreeViewItem(IShellFolder * lpsf, LPCITEMIDLIST pidl,
LPCITEMIDLIST pidlParent, IEnumIDList* pEnumIL, HTREEITEM hParent)
{
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TVITEMW tvi;
TVINSERTSTRUCTW tvins;
WCHAR szBuff[MAX_PATH];
LPTV_ITEMDATA lptvid=0;
tvi.mask = TVIF_TEXT | TVIF_IMAGE | TVIF_SELECTEDIMAGE | TVIF_PARAM;
tvi.cChildren= pEnumIL ? 1 : 0;
tvi.mask |= TVIF_CHILDREN;
if (!(lptvid = (LPTV_ITEMDATA)SHAlloc(sizeof(TV_ITEMDATA))))
return NULL;
if (!GetName(lpsf, pidl, SHGDN_NORMAL, szBuff))
return NULL;
tvi.pszText = szBuff;
tvi.cchTextMax = MAX_PATH;
tvi.lParam = (LPARAM)lptvid;
IShellFolder_AddRef(lpsf);
lptvid->lpsfParent = lpsf;
lptvid->lpi = ILClone(pidl);
lptvid->lpifq = pidlParent ? ILCombine(pidlParent, pidl) : ILClone(pidl);
lptvid->pEnumIL = pEnumIL;
GetNormalAndSelectedIcons(lptvid->lpifq, &tvi);
tvins.u.item = tvi;
tvins.hInsertAfter = NULL;
tvins.hParent = hParent;
return (HTREEITEM)TreeView_InsertItemW(hwndTreeView, &tvins);
}
/******************************************************************************
* FillTreeView [Internal]
*
* For each child (given by lpe) of the parent shell folder, which is given by
* lpsf and whose PIDL is pidl, insert a treeview-item right under hParent
*
* PARAMS
* lpsf [I] IShellFolder interface of the parent shell folder
* pidl [I] ITEMIDLIST of the parent shell folder
* hParent [I] The treeview item that represents the parent shell folder
* lpe [I] An iterator for the children of the parent shell folder
*/
static void FillTreeView(IShellFolder * lpsf, LPITEMIDLIST pidl, HTREEITEM hParent, IEnumIDList* lpe)
{
HTREEITEM hPrev = 0;
LPITEMIDLIST pidlTemp = 0;
ULONG ulFetched;
HRESULT hr;
HWND hwnd=GetParent(hwndTreeView);
TRACE("%p %p %x %p\n",lpsf, pidl, (INT)hParent, lpe);
/* No IEnumIDList -> No children */
if (!lpe) return;
SetCapture(GetParent(hwndTreeView));
SetCursor(LoadCursorA(0, (LPSTR)IDC_WAIT));
while (NOERROR == IEnumIDList_Next(lpe,1,&pidlTemp,&ulFetched))
{
ULONG ulAttrs = SFGAO_HASSUBFOLDER | SFGAO_FOLDER;
IEnumIDList* pEnumIL = NULL;
IShellFolder* pSFChild = NULL;
IShellFolder_GetAttributesOf(lpsf, 1, (LPCITEMIDLIST*)&pidlTemp, &ulAttrs);
if (ulAttrs & SFGAO_FOLDER)
{
hr = IShellFolder_BindToObject(lpsf,pidlTemp,NULL,&IID_IShellFolder,(LPVOID*)&pSFChild);
if (SUCCEEDED(hr))
{
hr = IShellFolder_EnumObjects(pSFChild, hwnd, BrowseFlagsToSHCONTF(lpBrowseInfo->ulFlags), &pEnumIL);
if (SUCCEEDED(hr))
{
if ((IEnumIDList_Skip(pEnumIL, 1) != S_OK) || FAILED(IEnumIDList_Reset(pEnumIL)))
{
IEnumIDList_Release(pEnumIL);
pEnumIL = NULL;
}
}
IShellFolder_Release(pSFChild);
}
}
if (!(hPrev = InsertTreeViewItem(lpsf, pidlTemp, pidl, pEnumIL, hParent)))
goto Done;
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SHFree(pidlTemp); /* Finally, free the pidl that the shell gave us... */
pidlTemp=NULL;
}
Done:
ReleaseCapture();
SetCursor(LoadCursorW(0, (LPWSTR)IDC_ARROW));
if (pidlTemp)
SHFree(pidlTemp);
}
static inline BOOL PIDLIsType(LPCITEMIDLIST pidl, PIDLTYPE type)
{
LPPIDLDATA data = _ILGetDataPointer(pidl);
if (!data)
return FALSE;
return (data->type == type);
}
static void BrsFolder_CheckValidSelection(HWND hWndTree, LPTV_ITEMDATA lptvid)
{
LPCITEMIDLIST pidl = lptvid->lpi;
BOOL bEnabled = TRUE;
DWORD dwAttributes;
if ((lpBrowseInfo->ulFlags & BIF_BROWSEFORCOMPUTER) &&
!PIDLIsType(pidl, PT_COMP))
bEnabled = FALSE;
if (lpBrowseInfo->ulFlags & BIF_RETURNFSANCESTORS)
{
dwAttributes = SFGAO_FILESYSANCESTOR | SFGAO_FILESYSTEM;
if (FAILED(IShellFolder_GetAttributesOf(lptvid->lpsfParent, 1, (LPCITEMIDLIST*)&lptvid->lpi, &dwAttributes)) ||
!dwAttributes)
bEnabled = FALSE;
}
if (lpBrowseInfo->ulFlags & BIF_RETURNONLYFSDIRS)
{
dwAttributes = SFGAO_FOLDER | SFGAO_FILESYSTEM;
if (FAILED(IShellFolder_GetAttributesOf(lptvid->lpsfParent, 1, (LPCITEMIDLIST*)&lptvid->lpi, &dwAttributes)) ||
(dwAttributes != (SFGAO_FOLDER | SFGAO_FILESYSTEM)))
bEnabled = FALSE;
}
SendMessageW(hWndTree, BFFM_ENABLEOK, 0, (LPARAM)bEnabled);
}
static LRESULT MsgNotify(HWND hWnd, UINT CtlID, LPNMHDR lpnmh)
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{
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NMTREEVIEWW *pnmtv = (NMTREEVIEWW *)lpnmh;
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LPTV_ITEMDATA lptvid; /* Long pointer to TreeView item data */
IShellFolder * lpsf2=0;
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TRACE("%p %x %p msg=%x\n", hWnd, CtlID, lpnmh, pnmtv->hdr.code);
switch (pnmtv->hdr.idFrom)
{ case IDD_TREEVIEW:
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switch (pnmtv->hdr.code)
{
case TVN_DELETEITEMA:
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case TVN_DELETEITEMW:
TRACE("TVN_DELETEITEMA/W\n");
lptvid=(LPTV_ITEMDATA)pnmtv->itemOld.lParam;
IShellFolder_Release(lptvid->lpsfParent);
if (lptvid->pEnumIL)
IEnumIDList_Release(lptvid->pEnumIL);
SHFree(lptvid->lpi);
SHFree(lptvid->lpifq);
SHFree(lptvid);
break;
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case TVN_ITEMEXPANDINGA:
case TVN_ITEMEXPANDINGW:
{
TRACE("TVN_ITEMEXPANDINGA/W\n");
if ((pnmtv->itemNew.state & TVIS_EXPANDEDONCE))
break;
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lptvid=(LPTV_ITEMDATA)pnmtv->itemNew.lParam;
if (SUCCEEDED(IShellFolder_BindToObject(lptvid->lpsfParent, lptvid->lpi,0,(REFIID)&IID_IShellFolder,(LPVOID *)&lpsf2)))
{ FillTreeView( lpsf2, lptvid->lpifq, pnmtv->itemNew.hItem, lptvid->pEnumIL);
}
/* My Computer is already sorted and trying to do a simple text
* sort will only mess things up */
if (!_ILIsMyComputer(lptvid->lpi))
TreeView_SortChildren(hwndTreeView, pnmtv->itemNew.hItem, FALSE);
}
break;
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case TVN_SELCHANGEDA:
case TVN_SELCHANGEDW:
lptvid=(LPTV_ITEMDATA)pnmtv->itemNew.lParam;
pidlRet = lptvid->lpifq;
if (lpBrowseInfo->lpfn)
(lpBrowseInfo->lpfn)(hWnd, BFFM_SELCHANGED, (LPARAM)pidlRet, lpBrowseInfo->lParam);
BrsFolder_CheckValidSelection(hWnd, lptvid);
break;
default:
WARN("unhandled (%d)\n", pnmtv->hdr.code);
break;
}
break;
default:
break;
}
return 0;
}
/*************************************************************************
* BrsFolderDlgProc32 (not an exported API function)
*/
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static INT_PTR CALLBACK BrsFolderDlgProc(HWND hWnd, UINT msg, WPARAM wParam,
LPARAM lParam )
{
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TRACE("hwnd=%p msg=%04x 0x%08x 0x%08lx\n", hWnd, msg, wParam, lParam );
switch(msg)
{ case WM_INITDIALOG:
pidlRet = NULL;
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lpBrowseInfo = (LPBROWSEINFOW) lParam;
if (lpBrowseInfo->ulFlags & ~SUPPORTEDFLAGS)
FIXME("flags %x not implemented\n", lpBrowseInfo->ulFlags & ~SUPPORTEDFLAGS);
if (lpBrowseInfo->lpszTitle) {
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SetWindowTextW(GetDlgItem(hWnd, IDD_TITLE), lpBrowseInfo->lpszTitle);
} else {
ShowWindow(GetDlgItem(hWnd, IDD_TITLE), SW_HIDE);
}
if (!(lpBrowseInfo->ulFlags & BIF_STATUSTEXT))
ShowWindow(GetDlgItem(hWnd, IDD_STATUS), SW_HIDE);
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InitializeTreeView(hWnd, lpBrowseInfo->pidlRoot);
if (lpBrowseInfo->lpfn)
(lpBrowseInfo->lpfn)(hWnd, BFFM_INITIALIZED, 0, lpBrowseInfo->lParam);
return TRUE;
case WM_NOTIFY:
MsgNotify( hWnd, (UINT)wParam, (LPNMHDR)lParam);
break;
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case WM_COMMAND:
switch (wParam)
{ case IDOK:
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pdump ( pidlRet );
if (lpBrowseInfo->pszDisplayName)
SHGetPathFromIDListW(pidlRet, lpBrowseInfo->pszDisplayName);
EndDialog(hWnd, (DWORD) ILClone(pidlRet));
return TRUE;
case IDCANCEL:
EndDialog(hWnd, 0);
return TRUE;
}
break;
case BFFM_SETSTATUSTEXTA:
TRACE("Set status %s\n", debugstr_a((LPSTR)lParam));
SetWindowTextA(GetDlgItem(hWnd, IDD_STATUS), (LPSTR)lParam);
break;
case BFFM_SETSTATUSTEXTW:
TRACE("Set status %s\n", debugstr_w((LPWSTR)lParam));
SetWindowTextW(GetDlgItem(hWnd, IDD_STATUS), (LPWSTR)lParam);
break;
case BFFM_ENABLEOK:
TRACE("Enable %ld\n", lParam);
EnableWindow(GetDlgItem(hWnd, 1), (lParam)?TRUE:FALSE);
break;
case BFFM_SETOKTEXT: /* unicode only */
TRACE("Set OK text %s\n", debugstr_w((LPWSTR)wParam));
SetWindowTextW(GetDlgItem(hWnd, 1), (LPWSTR)wParam);
break;
case BFFM_SETSELECTIONA:
if (wParam)
FIXME("Set selection %s\n", debugstr_a((LPSTR)lParam));
else
FIXME("Set selection %p\n", (void*)lParam);
break;
case BFFM_SETSELECTIONW:
if (wParam)
FIXME("Set selection %s\n", debugstr_w((LPWSTR)lParam));
else
FIXME("Set selection %p\n", (void*)lParam);
break;
case BFFM_SETEXPANDED: /* unicode only */
if (wParam)
FIXME("Set expanded %s\n", debugstr_w((LPWSTR)lParam));
else
FIXME("Set expanded %p\n", (void*)lParam);
break;
}
return FALSE;
}
static const WCHAR swBrowseTempName[] = {'S','H','B','R','S','F','O','R','F','O','L','D','E','R','_','M','S','G','B','O','X',0};
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/*************************************************************************
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* SHBrowseForFolderA [SHELL32.@]
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* SHBrowseForFolder [SHELL32.@]
*/
LPITEMIDLIST WINAPI SHBrowseForFolderA (LPBROWSEINFOA lpbi)
{
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BROWSEINFOW bi;
LPITEMIDLIST lpid;
INT len;
TRACE("(%p{lpszTitle=%s,owner=%p})\n", lpbi,
lpbi ? debugstr_a(lpbi->lpszTitle) : NULL, lpbi ? lpbi->hwndOwner : NULL);
if (!lpbi)
return NULL;
bi.hwndOwner = lpbi->hwndOwner;
bi.pidlRoot = lpbi->pidlRoot;
if (lpbi->pszDisplayName)
{
/*lpbi->pszDisplayName is assumed to be MAX_PATH (MSDN) */
bi.pszDisplayName = HeapAlloc(GetProcessHeap(), 0, MAX_PATH * sizeof(WCHAR));
MultiByteToWideChar(CP_ACP, 0, lpbi->pszDisplayName, -1, bi.pszDisplayName, MAX_PATH);
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}
else
bi.pszDisplayName = NULL;
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if (lpbi->lpszTitle)
{
len = MultiByteToWideChar(CP_ACP, 0, lpbi->lpszTitle, -1, NULL, 0);
bi.lpszTitle = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
MultiByteToWideChar(CP_ACP, 0, lpbi->lpszTitle, -1, (LPWSTR)bi.lpszTitle, len);
}
else
bi.lpszTitle = NULL;
bi.ulFlags = lpbi->ulFlags;
bi.lpfn = lpbi->lpfn;
bi.lParam = lpbi->lParam;
bi.iImage = lpbi->iImage;
lpid = (LPITEMIDLIST) DialogBoxParamW(shell32_hInstance,
swBrowseTempName, lpbi->hwndOwner,
BrsFolderDlgProc, (INT)&bi);
if (bi.pszDisplayName)
{
WideCharToMultiByte(CP_ACP, 0, bi.pszDisplayName, -1, lpbi->pszDisplayName, MAX_PATH, 0, NULL);
HeapFree(GetProcessHeap(), 0, bi.pszDisplayName);
}
HeapFree(GetProcessHeap(), 0, (LPVOID)bi.lpszTitle);
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lpbi->iImage = bi.iImage;
return lpid;
}
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/*************************************************************************
* SHBrowseForFolderW [SHELL32.@]
*/
LPITEMIDLIST WINAPI SHBrowseForFolderW (LPBROWSEINFOW lpbi)
{
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TRACE("((%p->{lpszTitle=%s,owner=%p})\n", lpbi,
lpbi ? debugstr_w(lpbi->lpszTitle) : NULL, lpbi ? lpbi->hwndOwner : 0);
if (!lpbi)
return NULL;
return (LPITEMIDLIST) DialogBoxParamW(shell32_hInstance,
swBrowseTempName, lpbi->hwndOwner,
BrsFolderDlgProc, (INT)lpbi);
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}