Leaked source code of windows server 2003
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// SelectFile.cpp : Implementation of CSelectFile
#include "stdafx.h"
#include "CompatUI.h"
#include "SelectFile.h"
#include "commdlg.h"
#include "cderr.h"
/////////////////////////////////////////////////////////////////////////////
// CSelectFile
//
// in upload.c
//
wstring StrUpCase(wstring& wstr);
STDMETHODIMP CSelectFile::get_BrowseTitle(BSTR *pVal)
{
*pVal = m_bstrTitle.Copy();
return S_OK;
}
STDMETHODIMP CSelectFile::put_BrowseTitle(BSTR newVal)
{
m_bstrTitle = newVal;
return S_OK;
}
STDMETHODIMP CSelectFile::get_BrowseFilter(BSTR *pVal)
{
*pVal = m_bstrFilter.Copy();
return S_OK;
}
STDMETHODIMP CSelectFile::put_BrowseFilter(BSTR newVal)
{
m_bstrFilter = newVal;
return S_OK;
}
STDMETHODIMP CSelectFile::get_BrowseInitialDirectory(BSTR *pVal)
{
*pVal = m_bstrInitialDirectory;
return S_OK;
}
STDMETHODIMP CSelectFile::put_BrowseInitialDirectory(BSTR newVal)
{
m_bstrInitialDirectory = newVal;
return S_OK;
}
STDMETHODIMP CSelectFile::get_BrowseFlags(long *pVal)
{
*pVal = (LONG)m_dwBrowseFlags;
return S_OK;
}
STDMETHODIMP CSelectFile::put_BrowseFlags(long newVal)
{
m_dwBrowseFlags = (DWORD)newVal;
return S_OK;
}
STDMETHODIMP CSelectFile::get_FileName(BSTR *pVal)
{
wstring sFileName;
if (!m_Safe) {
return HRESULT_FROM_WIN32(ERROR_ACCESS_DENIED);
}
GetFileNameFromUI(sFileName);
m_bstrFileName = sFileName.c_str();
*pVal = m_bstrFileName.Copy();
return S_OK;
}
STDMETHODIMP CSelectFile::put_FileName(BSTR newVal)
{
m_bstrFileName = newVal;
SetDlgItemText(IDC_EDITFILENAME, m_bstrFileName);
return S_OK;
}
STDMETHODIMP CSelectFile::get_ErrorCode(long *pVal)
{
*pVal = (LONG)m_dwErrorCode;
return S_OK;
}
#define MAX_BUFFER 2048
LRESULT CSelectFile::OnClickedBrowse(
WORD wNotifyCode,
WORD wID,
HWND hWndCtl,
BOOL& bHandled)
{
LRESULT lRes = 0;
// TODO: Add your implementation code here
OPENFILENAME ofn;
LPTSTR pszFileName = NULL;
DWORD dwFileNameLength = 0;
DWORD dwLen;
LPTSTR pszFilter = NULL, pch;
m_dwErrorCode = 0;
ZeroMemory(&ofn, sizeof(ofn));
ofn.lStructSize = sizeof(ofn);
ofn.hwndOwner = m_hWnd;
//
// part one (straight) - title
//
ofn.lpstrTitle = (LPCTSTR)m_bstrTitle; // assumes we're unicode (and we are)
//
// recover the filename from the edit box
//
wstring sFileName;
if (GetFileNameFromUI(sFileName)) {
m_bstrFileName = sFileName.c_str();
}
//
// part two - init filename
//
dwFileNameLength = __max(MAX_BUFFER, m_bstrFileName.Length() * 2); // in characters
pszFileName = new TCHAR[dwFileNameLength * sizeof(*pszFileName)];
if (pszFileName == NULL) {
m_dwErrorCode = ERROR_OUTOFMEMORY;
goto HandleError;
}
// so we have the buffer now
//
if (m_bstrFileName.Length () > 0) {
// sanitize the filename with regard to quotes
_tcscpy(pszFileName, (LPCTSTR)m_bstrFileName); // hypocritical copy, we are unicode
} else {
// start with the contents of the text box then
*pszFileName = TEXT('\0');
}
//
// sanity check, if pszFileName ends with \ then we will get an error
//
PathRemoveBackslash(pszFileName);
ofn.lpstrFile = pszFileName;
ofn.nMaxFile = dwFileNameLength;
//
// see if we also need to process filter
//
if (m_bstrFilter.Length() > 0) {
dwLen = m_bstrFilter.Length();
pszFilter = new TCHAR[(dwLen + 2) * sizeof(*pszFilter)];
if (pszFilter == NULL) {
m_dwErrorCode = ERROR_OUTOFMEMORY;
goto HandleError;
}
RtlZeroMemory(pszFilter, (dwLen + 2) * sizeof(*pszFilter));
_tcscpy(pszFilter, m_bstrFilter);
pch = pszFilter;
while (pch) {
pch = _tcschr(pch, TEXT('|'));
if (pch) {
*pch++ = TEXT('\0');
}
}
// now that the replacement is done -- assign the filter string
ofn.lpstrFilter = pszFilter;
}
//
// now check whether we have some in the initial directory
//
if (m_bstrInitialDirectory.Length() > 0) {
ofn.lpstrInitialDir = (LPCTSTR)m_bstrInitialDirectory;
}
//
// flags
//
if (m_dwBrowseFlags) {
ofn.Flags = m_dwBrowseFlags;
} else {
ofn.Flags = OFN_FILEMUSTEXIST|OFN_EXPLORER;
}
BOOL bRetry;
BOOL bSuccess;
do {
bRetry = FALSE;
bSuccess = GetOpenFileName(&ofn);
if (!bSuccess) {
m_dwErrorCode = CommDlgExtendedError();
if (m_dwErrorCode == FNERR_INVALIDFILENAME) {
*pszFileName = TEXT('\0');
bRetry = TRUE;
}
}
} while (bRetry);
if (!bSuccess) {
goto HandleError;
}
SetDlgItemText(IDC_EDITFILENAME, pszFileName);
m_bstrFileName = (LPCTSTR)pszFileName;
m_dwErrorCode = 0;
HandleError:
if (pszFileName != NULL) {
delete[] pszFileName;
}
if (pszFilter != NULL) {
delete[] pszFilter;
}
bHandled = TRUE;
return lRes;
}
BOOL
CSelectFile::PreTranslateAccelerator(
LPMSG pMsg,
HRESULT& hRet
)
{
HWND hWndCtl;
HWND hwndEdit = GetDlgItem(IDC_EDITFILENAME);
HWND hwndBrowse = GetDlgItem(IDC_BROWSE);
BSTR bstrFileName = NULL;
WORD wCmd = 0;
BOOL bBrowseHandled;
hRet = S_OK;
hWndCtl = ::GetFocus();
if (IsChild(hWndCtl) && ::GetParent(hWndCtl) != m_hWnd) {
do {
hWndCtl = ::GetParent(hWndCtl);
} while (::GetParent(hWndCtl) != m_hWnd);
}
if (pMsg->message == WM_KEYDOWN &&
(LOWORD(pMsg->wParam) == VK_RETURN ||
LOWORD(pMsg->wParam) == VK_EXECUTE)) {
if (hWndCtl == hwndEdit) {
BOOL bReturn;
wstring sFileName;
bReturn = GetFileNameFromUI(sFileName) &&
ValidateExecutableFile(sFileName.c_str(), TRUE);
if (bReturn) {
Fire_SelectionComplete();
return TRUE;
}
}
// this either was hwndBrowse or filename was not there -- open
// browse dialog then
OnClickedBrowse(BN_CLICKED, IDC_BROWSE, hwndBrowse, bBrowseHandled);
::SetFocus(hwndEdit);
}
//
// fixup external accelerators for internal controls (in this case -- edit)
//
if (m_Accel.IsAccelKey(pMsg, &wCmd) && wCmd == IDC_EDITFILENAME) {
::SetFocus(hwndEdit);
return TRUE;
}
//
// check for external accelerators because the next call is going to eat the message
//
if (m_ExternAccel.IsAccelKey(pMsg)) { // we do not touch external accel messages
return FALSE;
}
//
// check whether we are tabbing out of control
//
if (pMsg->message == WM_KEYDOWN && pMsg->wParam == VK_TAB) {
// check whether we're tabbing out
// (perhaps the control wants to eat tab?
DWORD_PTR dwDlgCode = ::SendMessage(pMsg->hwnd, WM_GETDLGCODE, 0, 0);
if (!(dwDlgCode & DLGC_WANTTAB)) {
// control does not want a tab
// see whether it's the last control and we're tabbing out
HWND hwndFirst = GetNextDlgTabItem(NULL, FALSE); // first
HWND hwndLast = GetNextDlgTabItem(hwndFirst, TRUE);
BOOL bFirstOrLast;
if (::GetKeyState(VK_SHIFT) & 0x8000) {
// shift ?
bFirstOrLast = (hWndCtl == hwndFirst);
} else {
bFirstOrLast = (hWndCtl == hwndLast);
}
if (bFirstOrLast) {
IsDialogMessage(pMsg);
return FALSE;
}
}
}
return CComCompositeControl<CSelectFile>::PreTranslateAccelerator(pMsg, hRet);
}
/*
STDMETHODIMP CSelectFile::get_Accel(BSTR *pVal)
{
CComBSTR bstr = (LPCWSTR)m_Accel;
*pVal = bstr.Copy();
return S_OK;
}
STDMETHODIMP CSelectFile::put_Accel(BSTR newVal)
{
m_Accel = (LPCWSTR)newVal;
return S_OK;
}
*/
STDMETHODIMP CSelectFile::get_ExternAccel(BSTR *pVal)
{
CComBSTR bstr = m_ExternAccel.GetAccelString(0).c_str();
*pVal = bstr.Copy();
return S_OK;
}
STDMETHODIMP CSelectFile::put_ExternAccel(BSTR newVal)
{
m_ExternAccel = (LPCWSTR)newVal;
return S_OK;
}
static TCHAR szU[] = TEXT("<U>");
static TCHAR szUC[] = TEXT("</U>");
#define szU_Len (CHARCOUNT(szU) - 1)
#define szUC_Len (CHARCOUNT(szUC) - 1)
STDMETHODIMP CSelectFile::get_BrowseBtnCaption(BSTR *pVal)
{
// TODO: Add your implementation code here
CComBSTR bstrCaption;
wstring strCaption = m_BrowseBtnCaption;
wstring::size_type nPos;
nPos = m_BrowseBtnCaption.find(TEXT('&'));
if (nPos == wstring::npos || nPos > m_BrowseBtnCaption.length() - 1) {
bstrCaption = m_BrowseBtnCaption.c_str();
} else {
bstrCaption = m_BrowseBtnCaption.substr(0, nPos).c_str();
bstrCaption += szU;
bstrCaption += m_BrowseBtnCaption[nPos+1];
bstrCaption += szUC;
if (nPos < m_BrowseBtnCaption.length() - 1) {
bstrCaption += m_BrowseBtnCaption.substr(nPos+2).c_str();
}
}
*pVal = bstrCaption.Copy();
return S_OK;
}
STDMETHODIMP CSelectFile::put_BrowseBtnCaption(BSTR newVal)
{
//
// form a caption from the string
//
wstring strCaption = newVal;
wstring strCaptionU = strCaption;
wstring::size_type nPosU, nPosUC;
wstring strAccel;
StrUpCase(strCaptionU);
//
// find <u> </u> pair
//
nPosU = strCaptionU.find(szU);
nPosUC = strCaptionU.find(szUC, nPosU);
if (nPosUC == wstring::npos || nPosU == wstring::npos || nPosUC < nPosU || nPosUC <= (nPosU + szU_Len)) {
goto cleanup;
}
// extract the char at the &
//
//
strAccel = strCaption.substr(nPosU + szU_Len, nPosUC - (nPosU + szU_Len));
//
// add accel please -- with command id IDC_BROWSE
//
m_Accel.SetAccel(strAccel.c_str(), IDC_BROWSE);
//
// now we (presumably) found <u>accelchar</u>
//
m_BrowseBtnCaption = strCaption.substr(0, nPosU); // up to the <U>
m_BrowseBtnCaption += TEXT('&');
m_BrowseBtnCaption += strAccel.c_str();
m_BrowseBtnCaption += strCaption.substr(nPosUC + szUC_Len); // all the rest please
if (IsWindow()) {
SetDlgItemText(IDC_BROWSE, m_BrowseBtnCaption.c_str());
}
cleanup:
return S_OK;
}
STDMETHODIMP CSelectFile::get_AccelCmd(LONG lCmd, BSTR *pVal)
{
CComBSTR bstrVal = m_Accel.GetAccelString((WORD)lCmd).c_str();
*pVal = bstrVal.Copy();
return S_OK;
}
STDMETHODIMP CSelectFile::put_AccelCmd(LONG lCmd, BSTR newVal)
{
m_Accel.SetAccel(newVal, (WORD)lCmd);
return S_OK;
}
STDMETHODIMP CSelectFile::ClearAccel()
{
m_Accel.ClearAccel();
return S_OK;
}
STDMETHODIMP CSelectFile::ClearExternAccel()
{
m_ExternAccel.ClearAccel();
return S_OK;
}