Leaked source code of windows server 2003
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/****************************************************************************\
*
* LBOXCTL3.C -
*
* Copyright (c) 1985 - 1999, Microsoft Corporation
*
* Directory List Box Routines
*
* ??-???-???? ianja Ported from Win 3.0 sources
* 14-Feb-1991 mikeke Added Revalidation code
\****************************************************************************/
#define CTLMGR
#define LSTRING
#include "precomp.h"
#pragma hdrstop
#define DATESEPARATOR TEXT('-')
#define TIMESEPARATOR TEXT(':')
#define TABCHAR TEXT('\t')
#define MAXDIGITSINSIZE 9
void LB_CreateLBLine(LPWIN32_FIND_DATA, LPWSTR);
#define DDL_PRIVILEGES (DDL_READONLY | DDL_HIDDEN | DDL_SYSTEM | DDL_ARCHIVE)
#define DDL_TYPE (DDL_DRIVES | DDL_DIRECTORY | DDL_POSTMSGS)
/***************************************************************************\
* ChopText
*
* Chops the given path at 'lpchBuffer' + CCH_CHOPTEXT_EXTRA to fit in the
* field of the static control with id 'idStatic' in the dialog box 'hwndDlg'.
* If the path is too long, an ellipsis prefix is added to the beginning of the
* chopped text ("x:\...\")
*
* If the supplied path does not fit and the last directory appended to
* ellipsis (i.e. "c:\...\eee" in the case of "c:\aaa\bbb\ccc\ddd\eee")
* does not fit, then "x:\..." is returned.
*
* Pathological case:
* "c:\SW\MW\R2\LIB\SERVICES\NT" almost fits into static control, while
* "c:\...\MW\R2\LIB\SERVICES\NT" does fit - although it is more characters.
* In this case, ChopText substitutes the first 'n' characters of the path with
* a prefix containing MORE than 'n' characters! The extra characters will
* be put in front of lpch, so there must be space reserved for them or they
* will trash the stack. lpch contains CCH_CHOPTEXT_EXTRA chars followed by
* the path.
*
* History:
\***************************************************************************/
/*
* In practice CCH_CHOPTEXT_EXTRA probably never has to be more than 1 or 2,
* but in case the font is weird, set it to the number of chars in the prefix.
* This guarantees enough space to prepend the prefix.
*/
#define CCH_CHOPTEXT_EXTRA 7
LPWSTR ChopText(
PWND pwndDlg,
int idStatic,
LPWSTR lpchBuffer)
{
#define AWCHLEN(a) ((sizeof(a)/sizeof(a[0])) - 1)
/*
* Declaring szPrefix this way ensures CCH_CHOPTEXT_EXTRA is big enough
*/
WCHAR szPrefix[CCH_CHOPTEXT_EXTRA + 1] = L"x:\\...\\";
int cxField;
RECT rc;
SIZE size;
PWND pwndStatic;
PSTAT pstat;
HDC hdc;
HFONT hOldFont;
int cchPath;
PWCHAR lpch;
PWCHAR lpchPath;
/*
* Get length of static field.
*/
pwndStatic = _GetDlgItem(pwndDlg, idStatic);
if (pwndStatic == NULL)
return NULL;
_GetClientRect(pwndStatic, &rc);
cxField = rc.right - rc.left;
/*
* Set up DC appropriately for the static control.
*/
hdc = NtUserGetDC(HWq(pwndStatic));
/*
* Only assume this is a static window if this window uses the static
* window wndproc.
*/
hOldFont = NULL;
if (GETFNID(pwndStatic) == FNID_STATIC) {
pstat = ((PSTATWND)pwndStatic)->pstat;
if (pstat != NULL && pstat != (PSTAT)-1 && pstat->hFont)
hOldFont = SelectObject(hdc, pstat->hFont);
}
/*
* Check horizontal extent of string.
*/
lpch = lpchPath = lpchBuffer + CCH_CHOPTEXT_EXTRA;
cchPath = wcslen(lpchPath);
GetTextExtentPoint(hdc, lpchPath, cchPath, &size);
if (size.cx > cxField) {
/*
* String is too long to fit in the static control; chop it.
* Set up new prefix and determine remaining space in control.
*/
szPrefix[0] = *lpchPath;
GetTextExtentPoint(hdc, szPrefix, AWCHLEN(szPrefix), &size);
/*
* If the field is too small to display all of the prefix,
* copy only the prefix.
*/
if (cxField < size.cx) {
RtlCopyMemory(lpch, szPrefix, sizeof(szPrefix));
goto DoneChop;
} else
cxField -= size.cx;
/*
* Advance a directory at a time until the remainder of the
* string fits into the static control after the "x:\...\" prefix.
*/
while (TRUE) {
int cchT;
while (*lpch && (*lpch++ != L'\\')) {
;
}
cchT = cchPath - (int)(lpch - lpchPath);
GetTextExtentPoint(hdc, lpch, cchT, &size);
if (*lpch == 0 || size.cx <= cxField) {
if (*lpch == 0) {
/*
* Nothing could fit after the prefix; remove the
* final "\" from the prefix
*/
szPrefix[AWCHLEN(szPrefix) - 1] = 0;
}
/*
* rest of string fits -- back up and stick prefix on front
* We are guaranteed to have at least CCH_CHOPTEXT_EXTRA chars
* backing up space, so we won't trash any stack. #26453
*/
lpch -= AWCHLEN(szPrefix);
UserAssert(lpch >= lpchBuffer);
RtlCopyMemory(lpch, szPrefix, sizeof(szPrefix) - sizeof(WCHAR));
goto DoneChop;
}
}
}
DoneChop:
if (hOldFont)
SelectObject(hdc, hOldFont);
ReleaseDC(HWq(pwndStatic), hdc);
return lpch;
}
/***************************************************************************\
* xxxDlgDirListHelper
*
* NOTE: If idStaticPath is < 0, then that parameter contains the details
* about what should be in each line of the list box
*
* History:
\***************************************************************************/
BOOL xxxDlgDirListHelper(
PWND pwndDlg,
LPWSTR lpszPathSpec,
LPBYTE lpszPathSpecClient,
int idListBox,
int idStaticPath,
UINT attrib,
BOOL fListBox) /* Listbox or ComboBox? */
{
PWND pwndLB;
TL tlpwndLB;
BOOL fDir = TRUE;
BOOL fRoot, bRet;
BOOL fPostIt;
INT cch;
WCHAR ch;
WCHAR szStaticPath[CCH_CHOPTEXT_EXTRA + MAX_PATH];
PWCHAR pszCurrentDir;
UINT wDirMsg;
LPWSTR lpchFile;
LPWSTR lpchDirectory;
PLBIV plb;
BOOL fWasVisible = FALSE;
BOOL fWin40Compat;
PCBOX pcbox;
CheckLock(pwndDlg);
/*
* Strip the private bit DDL_NOFILES out - KidPix passes it in my mistake!
*/
if (attrib & ~DDL_VALID) {
RIPERR2(ERROR_INVALID_FLAGS, RIP_WARNING, "Invalid flags, %x & ~%x != 0",
attrib, DDL_VALID);
return FALSE;
}
if (attrib & DDL_NOFILES) {
RIPMSG0(RIP_WARNING, "DlgDirListHelper: stripping DDL_NOFILES");
attrib &= ~DDL_NOFILES;
}
/*
* Case:Works is an app that calls DlgDirList with a NULL has hwndDlg;
* This is allowed because he uses NULL for idStaticPath and idListBox.
* So, the validation layer has been modified to allow a NULL for hwndDlg.
* But, we catch the bad apps with the following check.
* Fix for Bug #11864 --SANKAR-- 08/22/91 --
*/
if (!pwndDlg && (idStaticPath || idListBox)) {
RIPERR0(ERROR_INVALID_PARAMETER, RIP_VERBOSE, "");
return FALSE;
}
plb = NULL;
/*
* Do we need to add date, time, size or attribute info?
* Windows checks the Atom but misses if the class has been sub-classed
* as in VB.
*/
if (pwndLB = (PWND)_GetDlgItem(pwndDlg, idListBox)) {
WORD fnid = GETFNID(pwndLB);
if ((fnid == FNID_LISTBOX && fListBox) ||
(fnid == FNID_COMBOBOX && !fListBox) ||
(fnid == FNID_COMBOLISTBOX && fListBox)) {
if (fListBox) {
plb = ((PLBWND)pwndLB)->pLBIV;
} else {
pcbox = ((PCOMBOWND)pwndLB)->pcbox;
plb = ((PLBWND)(pcbox->spwndList))->pLBIV;
}
} else {
RIPERR0(ERROR_LISTBOX_ID_NOT_FOUND, RIP_VERBOSE, "");
}
} else if (idListBox != 0) {
/*
* Yell if the app passed an invalid list box id and keep from using a
* bogus plb. PLB is NULLed above.
*/
RIPERR0(ERROR_LISTBOX_ID_NOT_FOUND, RIP_VERBOSE, "");
}
if (idStaticPath < 0 && plb != NULL) {
/*
* Clear idStaticPath because its purpose is over.
*/
idStaticPath = 0;
}
fPostIt = (attrib & DDL_POSTMSGS);
if (lpszPathSpec) {
cch = lstrlenW(lpszPathSpec);
if (!cch) {
if (lpszPathSpecClient != (LPBYTE)lpszPathSpec) {
lpszPathSpecClient = achSlashStar;
}
lpszPathSpec = awchSlashStar;
} else {
/*
* Make sure we won't overflow our buffers...
*/
if (cch > CCHFILEMAX)
return FALSE;
/*
* Convert lpszPathSpec into an upper case, OEM string.
*/
CharUpper(lpszPathSpec);
lpchDirectory = lpszPathSpec;
lpchFile = szSLASHSTARDOTSTAR + 1;
if (*lpchDirectory) {
cch = wcslen(lpchDirectory);
/*
* If the directory name has a * or ? in it, don't bother trying
* the (slow) SetCurrentDirectory.
*/
if (((INT)FindCharPosition(lpchDirectory, TEXT('*')) != cch) ||
((INT)FindCharPosition(lpchDirectory, TEXT('?')) != cch) ||
!SetCurrentDirectory(lpchDirectory)) {
/*
* Set 'fDir' and 'fRoot' accordingly.
*/
lpchFile = lpchDirectory + cch;
fDir = *(lpchFile - 1) == TEXT('\\');
fRoot = 0;
while (cch--) {
ch = *(lpchFile - 1);
if (ch == TEXT('*') || ch == TEXT('?'))
fDir = TRUE;
if (ch == TEXT('\\') || ch == TEXT('/') || ch == TEXT(':')) {
fRoot = (cch == 0 || *(lpchFile - 2) == TEXT(':') ||
(ch == TEXT(':')));
break;
}
lpchFile--;
}
/*
* To remove Bug #16, the following error return is to be removed.
* In order to prevent the existing apps from breaking up, it is
* decided that the bug will not be fixed and will be mentioned
* in the documentation.
* --SANKAR-- Sep 21
*/
/*
* If no wildcard characters, return error.
*/
if (!fDir) {
RIPERR0(ERROR_NO_WILDCARD_CHARACTERS, RIP_VERBOSE, "");
return FALSE;
}
/*
* Special case for lpchDirectory == "\"
*/
if (fRoot)
lpchFile++;
/*
* Do we need to change directories?
*/
if (fRoot || cch >= 0) {
/*
* Replace the Filename's first char with a nul.
*/
ch = *--lpchFile;
*lpchFile = TEXT('\0');
/*
* Change the current directory.
*/
if (*lpchDirectory) {
bRet = SetCurrentDirectory(lpchDirectory);
if (!bRet) {
/*
* Restore the filename before we return...
*/
*((LPWSTR)lpchFile)++ = ch;
return FALSE;
}
}
/*
* Restore the filename's first character.
*/
*lpchFile++ = ch;
}
/*
* Undo damage caused by special case above.
*/
if (fRoot) {
lpchFile--;
}
}
}
/*
* This is copying on top of the data the client passed us! Since
* the LB_DIR or CB_DIR could be posted, and since we need to
* pass a client side string pointer when we do that, we need
* to copy this new data back to the client!
*/
if (fPostIt && lpszPathSpecClient != (LPBYTE)lpszPathSpec) {
WCSToMB(lpchFile, -1, &lpszPathSpecClient, MAXLONG, FALSE);
}
wcscpy(lpszPathSpec, lpchFile);
}
}
/*
* In some cases, the ChopText requires extra space ahead of the path:
* Give it CCH_CHOPTEXT_EXTRA extra spaces. (See ChopText() above).
*/
pszCurrentDir = szStaticPath + CCH_CHOPTEXT_EXTRA;
GetCurrentDirectory(
sizeof(szStaticPath)/sizeof(WCHAR) - CCH_CHOPTEXT_EXTRA,
pszCurrentDir);
/*
* If we have a listbox, lock it down
*/
if (pwndLB != NULL) {
ThreadLockAlways(pwndLB, &tlpwndLB);
}
/*
* Fill in the static path item.
*/
if (idStaticPath) {
/*
* To fix a bug OemToAnsi() call is inserted; SANKAR--Sep 16th
*/
// OemToChar(szCurrentDir, szCurrentDir);
CharLower(pszCurrentDir);
SetDlgItemText(HWq(pwndDlg), idStaticPath, ChopText(pwndDlg, idStaticPath, szStaticPath));
}
/*
* Fill in the directory List/ComboBox if it exists.
*/
if (idListBox && pwndLB != NULL) {
HWND hwndLB = HWq(pwndLB);
wDirMsg = (UINT)(fListBox ? LB_RESETCONTENT : CB_RESETCONTENT);
if (fPostIt) {
PostMessage(hwndLB, wDirMsg, 0, 0L);
} else {
if (plb != NULL && (fWasVisible = IsLBoxVisible(plb))) {
SendMessage(hwndLB, WM_SETREDRAW, FALSE, 0L);
}
SendMessage(hwndLB, wDirMsg, 0, 0L);
}
wDirMsg = (UINT)(fListBox ? LB_DIR : CB_DIR);
if (attrib == DDL_DRIVES)
attrib |= DDL_EXCLUSIVE;
//
// Hack for DDL_EXCLUSIVE to REALLY work.
//
fWin40Compat = TestWF(pwndLB, WFWIN40COMPAT);
//
// BACKWARDS COMPATIBILITY HACK
//
// We want DDL_EXCLUSIVE to _really_ work for new apps. I.E., we
// want apps to be able to specify DDL_DRIVES/DDL_VOLUMES with
// DDL_EXCLUSIVE and privilege bits -- and have only those items
// matching show up, w/out files.
//
if (attrib & DDL_EXCLUSIVE)
{
if (fWin40Compat)
{
if (attrib & (DDL_DRIVES | DDL_DIRECTORY))
attrib |= DDL_NOFILES;
}
else
{
if (attrib == (DDL_DRIVES | DDL_EXCLUSIVE))
attrib |= DDL_NOFILES;
}
}
if (!(attrib & DDL_NOFILES)) {
/*
* Add everything except the subdirectories and disk drives.
*/
if (fPostIt) {
/*
* Post lpszPathSpecClient, the client side pointer.
*/
#ifdef WASWIN31
PostMessage(hwndLB, wDirMsg, attrib &
~(DDL_DIRECTORY | DDL_DRIVES | DDL_POSTMSGS),
(LPARAM)lpszPathSpecClient);
#else
/*
* On NT, keep DDL_POSTMSGS in wParam because we need to know
* in the wndproc whether the pointer is clientside or server
* side.
*/
PostMessage(hwndLB, wDirMsg,
attrib & ~(DDL_DIRECTORY | DDL_DRIVES),
(LPARAM)lpszPathSpecClient);
#endif
} else {
/*
* IanJa: #ifndef WIN16 (32-bit Windows), attrib gets extended
* to LONG wParam automatically by the compiler
*/
SendMessage(hwndLB, wDirMsg,
attrib & ~(DDL_DIRECTORY | DDL_DRIVES),
(LPARAM)lpszPathSpec);
}
#ifdef WASWIN31
/*
* Strip out just the subdirectory and drive bits.
*/
attrib &= (DDL_DIRECTORY | DDL_DRIVES);
#else
//
// B#1433
// The old code stripped out read-only, hidden, system, and archive
// information for subdirectories, making it impossible to have
// a listbox w/ hidden directories!
//
/*
* Strip out just the subdirectory and drive bits. ON NT, keep
* the DDL_POSTMSG bit so we know how to thunk this message.
*/
if (!fWin40Compat)
attrib &= DDL_TYPE;
else
{
attrib &= (DDL_TYPE | (attrib & DDL_PRIVILEGES));
attrib |= DDL_NOFILES;
}
// attrib &= (DDL_DIRECTORY | DDL_DRIVES | DDL_POSTMSGS);
#endif
}
//
// Add directories and volumes to the listbox.
//
if (attrib & DDL_TYPE) {
/*
* Add the subdirectories and disk drives.
*/
lpszPathSpec = szSLASHSTARDOTSTAR + 1;
attrib |= DDL_EXCLUSIVE;
if (fPostIt) {
/*
* Post lpszPathSpecClient, the client side pointer (see text
* above).
*/
PostMessage(hwndLB, wDirMsg, attrib, (LPARAM)lpszPathSpecClient);
} else {
SendMessage(hwndLB, wDirMsg, attrib, (LPARAM)lpszPathSpec);
}
}
if (!fPostIt && fWasVisible) {
SendMessage(hwndLB, WM_SETREDRAW, TRUE, 0L);
NtUserInvalidateRect(hwndLB, NULL, TRUE);
}
}
if (pwndLB != NULL) {
ThreadUnlock(&tlpwndLB);
}
return TRUE;
}
/***************************************************************************\
* xxxDlgDirList
*
* History:
\***************************************************************************/
FUNCLOG5(LOG_GENERAL, BOOL, DUMMYCALLINGTYPE, DlgDirListA, HWND, hwndDlg, LPSTR, lpszPathSpecClient, int, idListBox, int, idStaticPath, UINT, attrib)
BOOL DlgDirListA(
HWND hwndDlg,
LPSTR lpszPathSpecClient,
int idListBox,
int idStaticPath,
UINT attrib)
{
LPWSTR lpszPathSpec;
PWND pwndDlg;
TL tlpwndDlg;
BOOL fRet;
pwndDlg = ValidateHwnd(hwndDlg);
if (pwndDlg == NULL)
return FALSE;
lpszPathSpec = NULL;
if (lpszPathSpecClient) {
if (!MBToWCS(lpszPathSpecClient, -1, &lpszPathSpec, -1, TRUE))
return FALSE;
}
/*
* The last parameter is TRUE to indicate ListBox (not ComboBox)
*/
ThreadLock(pwndDlg, &tlpwndDlg);
fRet = xxxDlgDirListHelper(pwndDlg, lpszPathSpec, lpszPathSpecClient,
idListBox, idStaticPath, attrib, TRUE);
ThreadUnlock(&tlpwndDlg);
if (lpszPathSpec) {
if (fRet) {
/*
* Non-zero retval means some text to copy out. Copy out up to
* the nul terminator (buffer will be big enough).
*/
WCSToMB(lpszPathSpec, -1, &lpszPathSpecClient, MAXLONG, FALSE);
}
UserLocalFree(lpszPathSpec);
}
return fRet;
}
FUNCLOG5(LOG_GENERAL, BOOL, DUMMYCALLINGTYPE, DlgDirListW, HWND, hwndDlg, LPWSTR, lpszPathSpecClient, int, idListBox, int, idStaticPath, UINT, attrib)
BOOL DlgDirListW(
HWND hwndDlg,
LPWSTR lpszPathSpecClient,
int idListBox,
int idStaticPath,
UINT attrib)
{
LPWSTR lpszPathSpec;
PWND pwndDlg;
TL tlpwndDlg;
BOOL fRet;
pwndDlg = ValidateHwnd(hwndDlg);
if (pwndDlg == NULL)
return FALSE;
lpszPathSpec = lpszPathSpecClient;
/*
* The last parameter is TRUE to indicate ListBox (not ComboBox)
*/
ThreadLock(pwndDlg, &tlpwndDlg);
fRet = xxxDlgDirListHelper(pwndDlg, lpszPathSpec, (LPBYTE)lpszPathSpecClient,
idListBox, idStaticPath, attrib, TRUE);
ThreadUnlock(&tlpwndDlg);
return fRet;
}
/***************************************************************************\
* DlgDirSelectHelper
*
* History:
\***************************************************************************/
BOOL DlgDirSelectHelper(
LPWSTR lpszPathSpec,
int chCount,
HWND hwndListBox)
{
INT cch;
LPWSTR lpchFile;
BOOL fDir;
INT sItem;
LPWSTR lpchT;
WCHAR rgch[CCHFILEMAX + 2];
int cchT;
LARGE_UNICODE_STRING str;
/*
* Callers such as DlgDirSelectEx do not validate the existance
* of hwndListBox
*/
if (hwndListBox == NULL) {
RIPERR0(ERROR_CONTROL_ID_NOT_FOUND, RIP_VERBOSE, "");
return 0;
}
sItem = (INT)SendMessage(hwndListBox, LB_GETCURSEL, 0, 0L);
if (sItem < 0)
return FALSE;
cchT = (INT)SendMessage(hwndListBox, LB_GETTEXT, sItem, (LPARAM)rgch);
UserAssert(cchT < (sizeof(rgch)/sizeof(rgch[0])));
lpchFile = rgch;
fDir = (*rgch == TEXT('['));
/*
* Check if all details along with file name are to be returned. Make sure
* we can find the listbox because with drop down combo boxes, the
* GetDlgItem will fail.
*
* Make sure this window has been using the listbox window proc because
* we store some data as a window long.
*/
/*
* Only the file name is to be returned. Find the end of the filename.
*/
lpchT = lpchFile;
while ((*lpchT) && (*lpchT != TABCHAR))
lpchT++;
*lpchT = TEXT('\0');
cch = wcslen(lpchFile);
/*
* Selection is drive or directory.
*/
if (fDir) {
lpchFile++;
cch--;
*(lpchFile + cch - 1) = TEXT('\\');
/*
* Selection is drive
*/
if (rgch[1] == TEXT('-')) {
lpchFile++;
cch--;
*(lpchFile + 1) = TEXT(':');
*(lpchFile + 2) = 0;
}
} else {
/*
* Selection is file. If filename has no extension, append '.'
*/
lpchT = lpchFile;
for (; (cch > 0) && (*lpchT != TABCHAR);
cch--, lpchT++) {
if (*lpchT == TEXT('.'))
goto Exit;
}
if (*lpchT == TABCHAR) {
memmove(lpchT + 1, lpchT, CHARSTOBYTES(cch + 1));
*lpchT = TEXT('.');
} else {
*lpchT++ = TEXT('.');
*lpchT = 0;
}
}
Exit:
RtlInitLargeUnicodeString(&str, lpchFile, (UINT)-1);
TextCopy(&str, lpszPathSpec, (UINT)chCount);
return fDir;
}
/***************************************************************************\
* DlgDirSelectEx
*
* History:
\***************************************************************************/
FUNCLOG4(LOG_GENERAL, BOOL, DUMMYCALLINGTYPE, DlgDirSelectExA, HWND, hwndDlg, LPSTR, lpszPathSpec, int, chCount, int, idListBox)
BOOL DlgDirSelectExA(
HWND hwndDlg,
LPSTR lpszPathSpec,
int chCount,
int idListBox)
{
LPWSTR lpwsz;
BOOL fRet;
lpwsz = (LPWSTR)UserLocalAlloc(HEAP_ZERO_MEMORY, chCount * sizeof(WCHAR));
if (!lpwsz) {
return FALSE;
}
fRet = DlgDirSelectHelper(lpwsz, chCount, GetDlgItem(hwndDlg, idListBox));
WCSToMB(lpwsz, -1, &lpszPathSpec, chCount, FALSE);
UserLocalFree(lpwsz);
return fRet;
}
FUNCLOG4(LOG_GENERAL, BOOL, DUMMYCALLINGTYPE, DlgDirSelectExW, HWND, hwndDlg, LPWSTR, lpszPathSpec, int, chCount, int, idListBox)
BOOL DlgDirSelectExW(
HWND hwndDlg,
LPWSTR lpszPathSpec,
int chCount,
int idListBox)
{
return DlgDirSelectHelper(lpszPathSpec, chCount, GetDlgItem(hwndDlg, idListBox));
}
/***************************************************************************\
* xxxLbDir
*
* History:
\***************************************************************************/
/*
* Note that these FILE_ATTRIBUTE_* values map directly with
* their DDL_* counterparts, with the exception of FILE_ATTRIBUTE_NORMAL.
*/
#define FIND_ATTR ( \
FILE_ATTRIBUTE_NORMAL | \
FILE_ATTRIBUTE_DIRECTORY | \
FILE_ATTRIBUTE_HIDDEN | \
FILE_ATTRIBUTE_SYSTEM | \
FILE_ATTRIBUTE_ARCHIVE | \
FILE_ATTRIBUTE_READONLY )
#define EXCLUDE_ATTR ( \
FILE_ATTRIBUTE_DIRECTORY | \
FILE_ATTRIBUTE_HIDDEN | \
FILE_ATTRIBUTE_SYSTEM )
INT xxxLbDir(
PLBIV plb,
UINT attrib,
LPWSTR lhszFileSpec)
{
INT result;
BOOL fWasVisible, bRet;
WCHAR Buffer[CCHFILEMAX + 1];
WCHAR Buffer2[CCHFILEMAX + 1];
HANDLE hFind;
WIN32_FIND_DATA ffd;
UINT attribFile;
DWORD mDrives;
INT cDrive;
UINT attribInclMask, attribExclMask;
CheckLock(plb->spwnd);
/*
* Make sure the buffer is valid and copy it onto the stack. Why? Because
* there is a chance that lhszFileSpec is pointing to an invalid string
* because some app posted a CB_DIR or LB_DIR without the DDL_POSTMSGS
* bit set.
*/
try {
wcscpy(Buffer2, lhszFileSpec);
lhszFileSpec = Buffer2;
} except (W32ExceptionHandler(FALSE, RIP_WARNING)) {
return -1;
}
result = -1;
#ifndef UNICODE
CharToOem(lhszFileSpec, lhszFileSpec);
#endif
if (fWasVisible = IsLBoxVisible(plb)) {
SendMessage(HWq(plb->spwnd), WM_SETREDRAW, FALSE, 0);
}
/*
* First we add the files then the directories and drives.
* If they only wanted drives then skip the file query
* Also under Windows specifing only 0x8000 (DDL_EXCLUSIVE) adds no files).
*/
// if ((attrib != (DDL_EXCLUSIVE | DDL_DRIVES)) && (attrib != DDL_EXCLUSIVE) &&
if (attrib != (DDL_EXCLUSIVE | DDL_DRIVES | DDL_NOFILES)) {
hFind = FindFirstFile(lhszFileSpec, &ffd);
if (hFind != INVALID_HANDLE_VALUE) {
/*
* If this is not an exclusive search, include normal files.
*/
attribInclMask = attrib & FIND_ATTR;
if (!(attrib & DDL_EXCLUSIVE))
attribInclMask |= FILE_ATTRIBUTE_NORMAL | FILE_ATTRIBUTE_READONLY |
FILE_ATTRIBUTE_ARCHIVE;
/*
* Make a mask of the attributes to be excluded from
* the search.
*/
attribExclMask = ~attrib & EXCLUDE_ATTR;
// LATER BUG - scottlu
// Win3 assumes doing a LoadCursor here will return the same wait cursor that
// has already been created, whereas calling ServerLoadCursor creates a new
// one every time!
// hCursorT = NtUserSetCursor(ServerLoadCursor(NULL, IDC_WAIT));
// FindFirst/Next works different in NT then DOS. Under DOS you passed in
// a set of attributes under NT you get back a set of attributes and have
// to test for those attributes (Dos input attributes were Hidden, System
// and Directoy) the dos find first always returned ReadOnly and archive files
// we are going to select a file in one of two cases.
// 1) if any of the attrib bits are set on the file.
// 2) if we want normal files and the file is a notmal file (the file attrib
// bits don't contain any NOEXCLBITS
do {
attribFile = (UINT)ffd.dwFileAttributes;
if (attribFile == FILE_ATTRIBUTE_COMPRESSED) {
attribFile = FILE_ATTRIBUTE_NORMAL;
}
attribFile &= ~FILE_ATTRIBUTE_COMPRESSED;
/*
* Accept those files that have only the
* attributes that we are looking for.
*/
if ((attribFile & attribInclMask) != 0 &&
(attribFile & attribExclMask) == 0) {
if (attribFile & DDL_DIRECTORY) {
/*
* Don't include '.' (current directory) in list.
*/
if (*((LPDWORD)&ffd.cFileName[0]) == 0x0000002E)
goto cfnf;
/*
* If we're not looking for dirs, ignore it
*/
if (!(attrib & DDL_DIRECTORY))
goto cfnf;
} else if (attrib & DDL_NOFILES) {
/*
* Don't include files if DDL_NOFILES is set.
*/
goto cfnf;
}
LB_CreateLBLine(&ffd,
Buffer);
result = xxxLBInsertItem(plb, Buffer, 0, MSGFLAG_SPECIAL_THUNK | LBI_ADD);
}
cfnf:
bRet = FindNextFile(hFind, &ffd);
} while (result >= -1 && bRet);
FindClose(hFind);
// LATER see above comment
// NtUserSetCursor(hCursorT);
}
}
/*
* If drive bit set, include drives in the list.
*/
if (result != LB_ERRSPACE && (attrib & DDL_DRIVES)) {
ffd.cFileName[0] = TEXT('[');
ffd.cFileName[1] = ffd.cFileName[3] = TEXT('-');
ffd.cFileName[4] = TEXT(']');
ffd.cFileName[5] = 0;
mDrives = GetLogicalDrives();
for (cDrive = 0; mDrives; mDrives >>= 1, cDrive++) {
if (mDrives & 1) {
ffd.cFileName[2] = (WCHAR)(TEXT('A') + cDrive);
/*
* We have to set the SPECIAL_THUNK bit because we are
* adding a server side string to a list box that may not
* be HASSTRINGS so we have to force the server-client
* string thunk.
*/
if ((result = xxxLBInsertItem(plb, CharLower(ffd.cFileName), -1,
MSGFLAG_SPECIAL_THUNK)) < 0) {
break;
}
}
}
}
if (result == LB_ERRSPACE) {
xxxNotifyOwner(plb, LB_ERRSPACE);
}
if (fWasVisible) {
SendMessage(HWq(plb->spwnd), WM_SETREDRAW, TRUE, 0);
}
xxxLBShowHideScrollBars(plb);
xxxCheckRedraw(plb, FALSE, 0);
if (result != LB_ERRSPACE) {
/*
* Return index of last item in the listbox. We can't just return
* result because that is the index of the last item added which may
* be in the middle somewhere if the LBS_SORT style is on.
*/
return plb->cMac - 1;
} else {
return result;
}
}
/***************************************************************************\
* xxxLbInsertFile
*
* Yet another CraigC shell hack... This responds to LB_ADDFILE messages
* sent to directory windows in the file system as a response to the
* WM_FILESYSCHANGE message. That way, we don't reread the whole
* directory when we copy files.
*
* History:
\***************************************************************************/
INT xxxLbInsertFile(
PLBIV plb,
LPWSTR lpFile)
{
WCHAR chBuffer[CCHFILEMAX + 1];
INT result = -1;
HANDLE hFind;
WIN32_FIND_DATA ffd;
CheckLock(plb->spwnd);
hFind = FindFirstFile(lpFile, &ffd);
if (hFind != INVALID_HANDLE_VALUE) {
FindClose(hFind);
LB_CreateLBLine(&ffd, chBuffer);
result = xxxLBInsertItem(plb, chBuffer, 0, MSGFLAG_SPECIAL_THUNK | LBI_ADD);
}
if (result == LB_ERRSPACE) {
xxxNotifyOwner(plb, result);
}
xxxCheckRedraw(plb, FALSE, 0);
return result;
}
/***************************************************************************\
* LB_CreateLBLine
*
* This creates a character string that contains all the required
* details of a file;( Name)
*
* History:
\***************************************************************************/
void LB_CreateLBLine(
PWIN32_FIND_DATA pffd,
LPWSTR lpBuffer)
{
BYTE bAttribute;
LPWSTR lpch;
lpch = lpBuffer;
bAttribute = (BYTE)pffd->dwFileAttributes;
if (bAttribute & DDL_DIRECTORY) /* Is it a directory */
*lpch++ = TEXT('[');
/*
* Copy the file name
*
* If we are running from wow, check if the shortname exists
*/
if (GetClientInfo()->dwTIFlags & TIF_16BIT) {
UNICODE_STRING Name;
BOOLEAN fSpace = FALSE;
RtlInitUnicodeString(&Name, pffd->cFileName);
if (RtlIsNameLegalDOS8Dot3(&Name, NULL, &fSpace) && !fSpace) {
/*
* Legal 8.3 name and no spaces, so use the principal
* file name.
*/
wcscpy(lpch, pffd->cFileName);
} else {
if (pffd->cAlternateFileName[0] == 0)
wcscpy(lpch, pffd->cFileName);
else
/*
* Use the alternate file name.
*/
wcscpy(lpch, pffd->cAlternateFileName);
}
/*
* Make filename lower-case for 16-bit apps. Some Corel apps
* require this.
*/
CharLower(lpch);
}
else
wcscpy(lpch, pffd->cFileName);
lpch = (LPWSTR)(lpch + wcslen(lpch));
if (bAttribute & DDL_DIRECTORY) /* Is it a directory */
*lpch++ = TEXT(']');
*lpch = TEXT('\0');
#ifndef UNICODE
OemToChar(lpBuffer, lpBuffer);
#endif
*lpch = TEXT('\0'); /* Null terminate */
}