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wine/dlls/shell32/brsfolder.c
Andrew Talbot 52db721a69 shell32: Remove unneeded casts.
2008-01-21 11:38:59 +01:00

828 lines
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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*
* FIXME:
* - many memory leaks
* - many flags unimplemented
* - implement new dialog style "make new folder" button
* - implement editbox
* - implement new dialog style resizing
*/
#include <stdlib.h>
#include <string.h>
#define COBJMACROS
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "wine/debug.h"
#include "undocshell.h"
#include "pidl.h"
#include "shell32_main.h"
#include "shellapi.h"
#include "shresdef.h"
WINE_DEFAULT_DEBUG_CHANNEL(shell);
typedef struct tagbrowse_info
{
HWND hWnd;
HWND hwndTreeView;
LPBROWSEINFOW lpBrowseInfo;
LPITEMIDLIST pidlRet;
} browse_info;
typedef struct tagTV_ITEMDATA
{
LPSHELLFOLDER lpsfParent; /* IShellFolder of the parent */
LPITEMIDLIST lpi; /* PIDL relative to parent */
LPITEMIDLIST lpifq; /* Fully qualified PIDL */
IEnumIDList* pEnumIL; /* Children iterator */
} TV_ITEMDATA, *LPTV_ITEMDATA;
#define SUPPORTEDFLAGS (BIF_STATUSTEXT | \
BIF_BROWSEFORCOMPUTER | \
BIF_RETURNFSANCESTORS | \
BIF_RETURNONLYFSDIRS | \
BIF_NONEWFOLDERBUTTON | \
BIF_NEWDIALOGSTYLE | \
BIF_BROWSEINCLUDEFILES)
static void FillTreeView(browse_info*, LPSHELLFOLDER,
LPITEMIDLIST, HTREEITEM, IEnumIDList*);
static HTREEITEM InsertTreeViewItem( browse_info*, IShellFolder *,
LPCITEMIDLIST, LPCITEMIDLIST, IEnumIDList*, HTREEITEM);
static const WCHAR szBrowseFolderInfo[] = {
'_','_','W','I','N','E','_',
'B','R','S','F','O','L','D','E','R','D','L','G','_',
'I','N','F','O',0
};
static inline DWORD BrowseFlagsToSHCONTF(UINT ulFlags)
{
return SHCONTF_FOLDERS | (ulFlags & BIF_BROWSEINCLUDEFILES ? SHCONTF_NONFOLDERS : 0);
}
static void browsefolder_callback( LPBROWSEINFOW lpBrowseInfo, HWND hWnd,
UINT msg, LPARAM param )
{
if (!lpBrowseInfo->lpfn)
return;
lpBrowseInfo->lpfn( hWnd, msg, param, lpBrowseInfo->lParam );
}
/******************************************************************************
* InitializeTreeView [Internal]
*
* Called from WM_INITDIALOG handler.
*
* PARAMS
* hwndParent [I] The BrowseForFolder dialog
* root [I] ITEMIDLIST of the root shell folder
*/
static void InitializeTreeView( browse_info *info )
{
LPITEMIDLIST pidlParent, pidlChild;
HIMAGELIST hImageList;
HRESULT hr;
IShellFolder *lpsfParent, *lpsfRoot;
IEnumIDList * pEnumChildren = NULL;
HTREEITEM item;
DWORD flags;
LPCITEMIDLIST root = info->lpBrowseInfo->pidlRoot;
TRACE("%p\n", info );
Shell_GetImageList(NULL, &hImageList);
if (hImageList)
SendMessageW( info->hwndTreeView, TVM_SETIMAGELIST, 0, (LPARAM)hImageList );
/* 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 = %08x\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 = %08x\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 = %08x\n", hr);
IShellFolder_Release(lpsfParent);
return;
}
flags = BrowseFlagsToSHCONTF( info->lpBrowseInfo->ulFlags );
hr = IShellFolder_EnumObjects( lpsfRoot, info->hWnd, flags, &pEnumChildren );
if (!SUCCEEDED(hr)) {
WARN("Could not get child iterator! hr = %08x\n", hr);
IShellFolder_Release(lpsfParent);
IShellFolder_Release(lpsfRoot);
return;
}
SendMessageW( info->hwndTreeView, TVM_DELETEITEM, 0, (LPARAM)TVI_ROOT );
item = InsertTreeViewItem( info, lpsfParent, pidlChild,
pidlParent, pEnumChildren, TVI_ROOT );
SendMessageW( info->hwndTreeView, TVM_EXPAND, TVE_EXPAND, (LPARAM)item );
IShellFolder_Release(lpsfRoot);
IShellFolder_Release(lpsfParent);
}
static int GetIcon(LPCITEMIDLIST lpi, UINT uFlags)
{
SHFILEINFOW sfi;
SHGetFileInfoW((LPCWSTR)lpi, 0 ,&sfi, sizeof(SHFILEINFOW), uFlags);
return sfi.iIcon;
}
static void GetNormalAndSelectedIcons(LPITEMIDLIST lpifq, LPTVITEMW lpTV_ITEM)
{
LPITEMIDLIST pidlDesktop = NULL;
DWORD flags;
TRACE("%p %p\n",lpifq, lpTV_ITEM);
if (!lpifq)
{
pidlDesktop = _ILCreateDesktop();
lpifq = pidlDesktop;
}
flags = SHGFI_PIDL | SHGFI_SYSICONINDEX | SHGFI_SMALLICON;
lpTV_ITEM->iImage = GetIcon( lpifq, flags );
flags = SHGFI_PIDL | SHGFI_SYSICONINDEX | SHGFI_SMALLICON | SHGFI_OPENICON;
lpTV_ITEM->iSelectedImage = GetIcon( lpifq, flags );
if (pidlDesktop)
ILFree( pidlDesktop );
}
/******************************************************************************
* 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 %x %p\n", lpsf, lpi, dwFlags, lpFriendlyName);
if (SUCCEEDED(IShellFolder_GetDisplayNameOf(lpsf, lpi, dwFlags, &str)))
bSuccess = StrRetToStrNW(lpFriendlyName, MAX_PATH, &str, lpi);
else
bSuccess = FALSE;
TRACE("-- %s\n", debugstr_w(lpFriendlyName));
return bSuccess;
}
/******************************************************************************
* InsertTreeViewItem [Internal]
*
* PARAMS
* info [I] data for the dialog
* lpsf [I] IShellFolder interface of the item's parent shell folder
* pidl [I] ITEMIDLIST of the child to insert, relative 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( browse_info *info, IShellFolder * lpsf,
LPCITEMIDLIST pidl, LPCITEMIDLIST pidlParent, IEnumIDList* pEnumIL,
HTREEITEM hParent)
{
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;
lptvid = SHAlloc( sizeof(TV_ITEMDATA) );
if (!lptvid)
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 TreeView_InsertItemW( info->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
* info [I] data for the dialog
* 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( browse_info *info, IShellFolder * lpsf,
LPITEMIDLIST pidl, HTREEITEM hParent, IEnumIDList* lpe)
{
HTREEITEM hPrev = 0;
LPITEMIDLIST pidlTemp = 0;
ULONG ulFetched;
HRESULT hr;
HWND hwnd = GetParent( info->hwndTreeView );
TRACE("%p %p %p %p\n",lpsf, pidl, hParent, lpe);
/* No IEnumIDList -> No children */
if (!lpe) return;
SetCapture( hwnd );
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))
{
DWORD flags = BrowseFlagsToSHCONTF(info->lpBrowseInfo->ulFlags);
hr = IShellFolder_EnumObjects(pSFChild, hwnd, flags, &pEnumIL);
if (hr == S_OK)
{
if ((IEnumIDList_Skip(pEnumIL, 1) != S_OK) ||
FAILED(IEnumIDList_Reset(pEnumIL)))
{
IEnumIDList_Release(pEnumIL);
pEnumIL = NULL;
}
}
IShellFolder_Release(pSFChild);
}
}
if (!(hPrev = InsertTreeViewItem(info, lpsf, pidlTemp, pidl, pEnumIL, hParent)))
goto done;
SHFree(pidlTemp); /* Finally, free the pidl that the shell gave us... */
pidlTemp=NULL;
}
done:
ReleaseCapture();
SetCursor(LoadCursorW(0, (LPWSTR)IDC_ARROW));
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( browse_info *info, LPTV_ITEMDATA lptvid )
{
LPBROWSEINFOW lpBrowseInfo = info->lpBrowseInfo;
LPCITEMIDLIST pidl = lptvid->lpi;
BOOL bEnabled = TRUE;
DWORD dwAttributes;
HRESULT r;
if ((lpBrowseInfo->ulFlags & BIF_BROWSEFORCOMPUTER) &&
!PIDLIsType(pidl, PT_COMP))
bEnabled = FALSE;
if (lpBrowseInfo->ulFlags & BIF_RETURNFSANCESTORS)
{
dwAttributes = SFGAO_FILESYSANCESTOR | SFGAO_FILESYSTEM;
r = IShellFolder_GetAttributesOf(lptvid->lpsfParent, 1,
(LPCITEMIDLIST*)&lptvid->lpi, &dwAttributes);
if (FAILED(r) || !(dwAttributes & (SFGAO_FILESYSANCESTOR|SFGAO_FILESYSTEM)))
bEnabled = FALSE;
}
if (lpBrowseInfo->ulFlags & BIF_RETURNONLYFSDIRS)
{
dwAttributes = SFGAO_FOLDER | SFGAO_FILESYSTEM;
r = IShellFolder_GetAttributesOf(lptvid->lpsfParent, 1,
(LPCITEMIDLIST*)&lptvid->lpi, &dwAttributes);
if (FAILED(r) ||
((dwAttributes & (SFGAO_FOLDER|SFGAO_FILESYSTEM)) != (SFGAO_FOLDER|SFGAO_FILESYSTEM)))
{
bEnabled = FALSE;
}
}
SendMessageW(info->hWnd, BFFM_ENABLEOK, 0, (LPARAM)bEnabled);
}
static LRESULT BrsFolder_Treeview_Delete( browse_info *info, NMTREEVIEWW *pnmtv )
{
LPTV_ITEMDATA lptvid = (LPTV_ITEMDATA)pnmtv->itemOld.lParam;
TRACE("TVN_DELETEITEMA/W %p\n", lptvid);
IShellFolder_Release(lptvid->lpsfParent);
if (lptvid->pEnumIL)
IEnumIDList_Release(lptvid->pEnumIL);
SHFree(lptvid->lpi);
SHFree(lptvid->lpifq);
SHFree(lptvid);
return 0;
}
static LRESULT BrsFolder_Treeview_Expand( browse_info *info, NMTREEVIEWW *pnmtv )
{
IShellFolder *lpsf2 = NULL;
LPTV_ITEMDATA lptvid = (LPTV_ITEMDATA) pnmtv->itemNew.lParam;
HRESULT r;
TRACE("TVN_ITEMEXPANDINGA/W\n");
if ((pnmtv->itemNew.state & TVIS_EXPANDEDONCE))
return 0;
if (lptvid->lpi && lptvid->lpi->mkid.cb) {
r = IShellFolder_BindToObject( lptvid->lpsfParent, lptvid->lpi, 0,
(REFIID)&IID_IShellFolder, (LPVOID *)&lpsf2 );
} else {
lpsf2 = lptvid->lpsfParent;
r = IShellFolder_AddRef(lpsf2);
}
if (SUCCEEDED(r))
FillTreeView( info, 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))
SendMessageW( info->hwndTreeView, TVM_SORTCHILDREN,
FALSE, (LPARAM)pnmtv->itemNew.hItem );
return 0;
}
static HRESULT BrsFolder_Treeview_Changed( browse_info *info, NMTREEVIEWW *pnmtv )
{
LPTV_ITEMDATA lptvid = (LPTV_ITEMDATA) pnmtv->itemNew.lParam;
lptvid = (LPTV_ITEMDATA) pnmtv->itemNew.lParam;
info->pidlRet = lptvid->lpifq;
browsefolder_callback( info->lpBrowseInfo, info->hWnd, BFFM_SELCHANGED,
(LPARAM)info->pidlRet );
BrsFolder_CheckValidSelection( info, lptvid );
return 0;
}
static LRESULT BrsFolder_OnNotify( browse_info *info, UINT CtlID, LPNMHDR lpnmh )
{
NMTREEVIEWW *pnmtv = (NMTREEVIEWW *)lpnmh;
TRACE("%p %x %p msg=%x\n", info, CtlID, lpnmh, pnmtv->hdr.code);
if (pnmtv->hdr.idFrom != IDD_TREEVIEW)
return 0;
switch (pnmtv->hdr.code)
{
case TVN_DELETEITEMA:
case TVN_DELETEITEMW:
return BrsFolder_Treeview_Delete( info, pnmtv );
case TVN_ITEMEXPANDINGA:
case TVN_ITEMEXPANDINGW:
return BrsFolder_Treeview_Expand( info, pnmtv );
case TVN_SELCHANGEDA:
case TVN_SELCHANGEDW:
return BrsFolder_Treeview_Changed( info, pnmtv );
default:
WARN("unhandled (%d)\n", pnmtv->hdr.code);
break;
}
return 0;
}
static BOOL BrsFolder_OnCreate( HWND hWnd, browse_info *info )
{
LPBROWSEINFOW lpBrowseInfo = info->lpBrowseInfo;
info->hWnd = hWnd;
SetPropW( hWnd, szBrowseFolderInfo, info );
if (lpBrowseInfo->ulFlags & BIF_NEWDIALOGSTYLE)
FIXME("flags BIF_NEWDIALOGSTYLE partially implemented\n");
if (lpBrowseInfo->ulFlags & ~SUPPORTEDFLAGS)
FIXME("flags %x not implemented\n", lpBrowseInfo->ulFlags & ~SUPPORTEDFLAGS);
if (lpBrowseInfo->lpszTitle)
SetWindowTextW( GetDlgItem(hWnd, IDD_TITLE), lpBrowseInfo->lpszTitle );
else
ShowWindow( GetDlgItem(hWnd, IDD_TITLE), SW_HIDE );
if (!(lpBrowseInfo->ulFlags & BIF_STATUSTEXT)
|| (lpBrowseInfo->ulFlags & BIF_NEWDIALOGSTYLE))
ShowWindow( GetDlgItem(hWnd, IDD_STATUS), SW_HIDE );
/* Hide "Make New Folder" Button? */
if ((lpBrowseInfo->ulFlags & BIF_NONEWFOLDERBUTTON)
|| !(lpBrowseInfo->ulFlags & BIF_NEWDIALOGSTYLE))
ShowWindow( GetDlgItem(hWnd, IDD_MAKENEWFOLDER), SW_HIDE );
/* Hide the editbox? */
if (!(lpBrowseInfo->ulFlags & BIF_EDITBOX))
{
ShowWindow( GetDlgItem(hWnd, IDD_FOLDER), SW_HIDE );
ShowWindow( GetDlgItem(hWnd, IDD_FOLDERTEXT), SW_HIDE );
}
info->hwndTreeView = GetDlgItem( hWnd, IDD_TREEVIEW );
if (info->hwndTreeView)
{
InitializeTreeView( info );
/* Resize the treeview if there's not editbox */
if ((lpBrowseInfo->ulFlags & BIF_NEWDIALOGSTYLE)
&& !(lpBrowseInfo->ulFlags & BIF_EDITBOX))
{
RECT rc;
GetClientRect(info->hwndTreeView, &rc);
SetWindowPos(info->hwndTreeView, HWND_TOP, 0, 0,
rc.right, rc.bottom + 40, SWP_NOMOVE);
}
}
else
ERR("treeview control missing!\n");
browsefolder_callback( info->lpBrowseInfo, hWnd, BFFM_INITIALIZED, 0 );
return TRUE;
}
static BOOL BrsFolder_OnCommand( browse_info *info, UINT id )
{
LPBROWSEINFOW lpBrowseInfo = info->lpBrowseInfo;
switch (id)
{
case IDOK:
/* The original pidl is owned by the treeview and will be free'd. */
info->pidlRet = ILClone(info->pidlRet);
if (info->pidlRet == NULL) /* A null pidl would mean a cancel */
info->pidlRet = _ILCreateDesktop();
pdump( info->pidlRet );
if (lpBrowseInfo->pszDisplayName)
SHGetPathFromIDListW( info->pidlRet, lpBrowseInfo->pszDisplayName );
EndDialog( info->hWnd, 1 );
return TRUE;
case IDCANCEL:
EndDialog( info->hWnd, 0 );
return TRUE;
case IDD_MAKENEWFOLDER:
FIXME("make new folder not implemented\n");
return TRUE;
}
return FALSE;
}
static BOOL BrsFolder_OnSetExpanded(browse_info *info, LPVOID selection,
BOOL is_str, HTREEITEM *pItem)
{
LPITEMIDLIST pidlSelection = (LPITEMIDLIST)selection;
LPCITEMIDLIST pidlCurrent, pidlRoot;
TVITEMEXW item;
BOOL bResult = FALSE;
/* If 'selection' is a string, convert to a Shell ID List. */
if (is_str) {
IShellFolder *psfDesktop;
HRESULT hr;
hr = SHGetDesktopFolder(&psfDesktop);
if (FAILED(hr))
goto done;
hr = IShellFolder_ParseDisplayName(psfDesktop, NULL, NULL,
(LPOLESTR)selection, NULL, &pidlSelection, NULL);
IShellFolder_Release(psfDesktop);
if (FAILED(hr))
goto done;
}
/* Move pidlCurrent behind the SHITEMIDs in pidlSelection, which are the root of
* the sub-tree currently displayed. */
pidlRoot = info->lpBrowseInfo->pidlRoot;
pidlCurrent = pidlSelection;
while (!_ILIsEmpty(pidlRoot) && _ILIsEqualSimple(pidlRoot, pidlCurrent)) {
pidlRoot = ILGetNext(pidlRoot);
pidlCurrent = ILGetNext(pidlCurrent);
}
/* The given ID List is not part of the SHBrowseForFolder's current sub-tree. */
if (!_ILIsEmpty(pidlRoot))
goto done;
/* Initialize item to point to the first child of the root folder. */
memset(&item, 0, sizeof(item));
item.mask = TVIF_PARAM;
item.hItem = TreeView_GetRoot(info->hwndTreeView);
if (item.hItem)
item.hItem = TreeView_GetChild(info->hwndTreeView, item.hItem);
/* Walk the tree along the nodes corresponding to the remaining ITEMIDLIST */
while (item.hItem && !_ILIsEmpty(pidlCurrent)) {
LPTV_ITEMDATA pItemData;
SendMessageW(info->hwndTreeView, TVM_GETITEMW, 0, (LPARAM)&item);
pItemData = (LPTV_ITEMDATA)item.lParam;
if (_ILIsEqualSimple(pItemData->lpi, pidlCurrent)) {
pidlCurrent = ILGetNext(pidlCurrent);
if (!_ILIsEmpty(pidlCurrent)) {
/* Only expand current node and move on to it's first child,
* if we didn't already reach the last SHITEMID */
SendMessageW(info->hwndTreeView, TVM_EXPAND, TVE_EXPAND, (LPARAM)item.hItem);
item.hItem = TreeView_GetChild(info->hwndTreeView, item.hItem);
}
} else {
item.hItem = TreeView_GetNextSibling(info->hwndTreeView, item.hItem);
}
}
if (_ILIsEmpty(pidlCurrent) && item.hItem)
bResult = TRUE;
done:
if (pidlSelection && pidlSelection != (LPITEMIDLIST)selection)
ILFree(pidlSelection);
if (pItem)
*pItem = item.hItem;
return bResult;
}
static BOOL BrsFolder_OnSetSelectionW(browse_info *info, LPVOID selection, BOOL is_str) {
HTREEITEM hItem;
BOOL bResult;
bResult = BrsFolder_OnSetExpanded(info, selection, is_str, &hItem);
if (bResult)
SendMessageW(info->hwndTreeView, TVM_SELECTITEM, TVGN_CARET, (LPARAM)hItem );
return bResult;
}
static BOOL BrsFolder_OnSetSelectionA(browse_info *info, LPVOID selection, BOOL is_str) {
LPWSTR selectionW = NULL;
BOOL result = FALSE;
int length;
if (!is_str)
return BrsFolder_OnSetSelectionW(info, selection, is_str);
if ((length = MultiByteToWideChar(CP_ACP, 0, (LPCSTR)selection, -1, NULL, 0)) &&
(selectionW = HeapAlloc(GetProcessHeap(), 0, length * sizeof(WCHAR))) &&
MultiByteToWideChar(CP_ACP, 0, (LPCSTR)selection, -1, selectionW, length))
{
result = BrsFolder_OnSetSelectionW(info, selectionW, is_str);
}
HeapFree(GetProcessHeap(), 0, selectionW);
return result;
}
/*************************************************************************
* BrsFolderDlgProc32 (not an exported API function)
*/
static INT_PTR CALLBACK BrsFolderDlgProc( HWND hWnd, UINT msg, WPARAM wParam,
LPARAM lParam )
{
browse_info *info;
TRACE("hwnd=%p msg=%04x 0x%08lx 0x%08lx\n", hWnd, msg, wParam, lParam );
if (msg == WM_INITDIALOG)
return BrsFolder_OnCreate( hWnd, (browse_info*) lParam );
info = (browse_info*) GetPropW( hWnd, szBrowseFolderInfo );
switch (msg)
{
case WM_NOTIFY:
return BrsFolder_OnNotify( info, (UINT)wParam, (LPNMHDR)lParam);
case WM_COMMAND:
return BrsFolder_OnCommand( info, wParam );
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:
return BrsFolder_OnSetSelectionA(info, (LPVOID)lParam, (BOOL)wParam);
case BFFM_SETSELECTIONW:
return BrsFolder_OnSetSelectionW(info, (LPVOID)lParam, (BOOL)wParam);
case BFFM_SETEXPANDED: /* unicode only */
return BrsFolder_OnSetExpanded(info, (LPVOID)lParam, (BOOL)wParam, NULL);
}
return FALSE;
}
static const WCHAR swBrowseTemplateName[] = {
'S','H','B','R','S','F','O','R','F','O','L','D','E','R','_','M','S','G','B','O','X',0};
static const WCHAR swNewBrowseTemplateName[] = {
'S','H','N','E','W','B','R','S','F','O','R','F','O','L','D','E','R','_','M','S','G','B','O','X',0};
/*************************************************************************
* SHBrowseForFolderA [SHELL32.@]
* SHBrowseForFolder [SHELL32.@]
*/
LPITEMIDLIST WINAPI SHBrowseForFolderA (LPBROWSEINFOA lpbi)
{
BROWSEINFOW bi;
LPITEMIDLIST lpid;
INT len;
LPWSTR title;
TRACE("%p\n", lpbi);
bi.hwndOwner = lpbi->hwndOwner;
bi.pidlRoot = lpbi->pidlRoot;
if (lpbi->pszDisplayName)
{
bi.pszDisplayName = HeapAlloc( GetProcessHeap(), 0, MAX_PATH * sizeof(WCHAR) );
MultiByteToWideChar( CP_ACP, 0, lpbi->pszDisplayName, -1, bi.pszDisplayName, MAX_PATH );
}
else
bi.pszDisplayName = NULL;
if (lpbi->lpszTitle)
{
len = MultiByteToWideChar( CP_ACP, 0, lpbi->lpszTitle, -1, NULL, 0 );
title = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
MultiByteToWideChar( CP_ACP, 0, lpbi->lpszTitle, -1, title, len );
}
else
title = NULL;
bi.lpszTitle = title;
bi.ulFlags = lpbi->ulFlags;
bi.lpfn = lpbi->lpfn;
bi.lParam = lpbi->lParam;
bi.iImage = lpbi->iImage;
lpid = SHBrowseForFolderW( &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, title);
lpbi->iImage = bi.iImage;
return lpid;
}
/*************************************************************************
* SHBrowseForFolderW [SHELL32.@]
*
* NOTES
* crashes when passed a null pointer
*/
LPITEMIDLIST WINAPI SHBrowseForFolderW (LPBROWSEINFOW lpbi)
{
browse_info info;
DWORD r;
HRESULT hr;
const WCHAR * templateName;
info.hWnd = 0;
info.pidlRet = NULL;
info.lpBrowseInfo = lpbi;
info.hwndTreeView = NULL;
hr = OleInitialize(NULL);
if (lpbi->ulFlags & BIF_NEWDIALOGSTYLE)
templateName = swNewBrowseTemplateName;
else
templateName = swBrowseTemplateName;
r = DialogBoxParamW( shell32_hInstance, templateName, lpbi->hwndOwner,
BrsFolderDlgProc, (LPARAM)&info );
if (SUCCEEDED(hr))
OleUninitialize();
if (!r)
return NULL;
return info.pidlRet;
}
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