///////////////////////////////////////////////////////////////////////////////
// BrowseCallbackProc - SHBrowseForFolder callback function
static int CALLBACK BrowseCallbackProc(HWND hwnd, // Window handle to the browse dialog box
UINT uMsg, // Value identifying the event
LPARAM lParam, // Value dependent upon the message
LPARAM lpData) // Application-defined value that was
// specified in the lParam member of the
// BROWSEINFO structure
{
switch (uMsg)
{
case BFFM_INITIALIZED: // sent when the browse dialog box has finished initializing.
{
// remove context help button from dialog caption
LONG lStyle = ::GetWindowLong(hwnd, GWL_STYLE);
lStyle &= ~DS_CONTEXTHELP;
::SetWindowLong(hwnd, GWL_STYLE, lStyle);
lStyle = ::GetWindowLong(hwnd, GWL_EXSTYLE);
lStyle &= ~WS_EX_CONTEXTHELP;
::SetWindowLong(hwnd, GWL_EXSTYLE, lStyle);
// set initial directory
::SendMessage(hwnd, BFFM_SETSELECTION, TRUE, lpData);
// find the folder tree and make dialog larger
HWND hwndTree = FindWindowEx(hwnd, NULL, _T("SysTreeView32"), NULL);
if (hwndTree)
{
#if 0
// make the dialog larger
CRect rectDlg;
::GetWindowRect(hwnd, &rectDlg);
rectDlg.right += 40;
rectDlg.bottom += 30;
MoveWindowX(hwnd, rectDlg, TRUE);
::GetClientRect(hwnd, &rectDlg);
// move the Cancel button
CRect rectCancel(0, 0, 0, 0);
HWND hwndCancel = ::GetDlgItem(hwnd, IDCANCEL);
if (hwndCancel)
::GetWindowRect(hwndCancel, &rectCancel);
ScreenToClientX(hwnd, &rectCancel);
int h = rectCancel.Height();
int w = rectCancel.Width();
rectCancel.bottom = rectDlg.bottom - 5;
rectCancel.top = rectCancel.bottom - h;
rectCancel.right = rectDlg.right - 5;
rectCancel.left = rectCancel.right - w;
if (hwndCancel)
MoveWindowX(hwndCancel, rectCancel, FALSE);
// move the OK button
CRect rectOK(0, 0, 0, 0);
HWND hwndOK = ::GetDlgItem(hwnd, IDOK);
if (hwndOK)
::GetWindowRect(hwndOK, &rectOK);
ScreenToClientX(hwnd, &rectOK);
rectOK.bottom = rectDlg.bottom - 5;
rectOK.top = rectOK.bottom - h;
rectOK.right = rectCancel.left - 10;
rectOK.left = rectOK.right - w;
if (hwndOK)
MoveWindowX(hwndOK, rectOK, FALSE);
// expand the folder tree to fill the dialog
CRect rectTree;
::GetWindowRect(hwndTree, &rectTree);
ScreenToClientX(hwnd, &rectTree);
rectTree.top = 5;
rectTree.left= 5;
rectTree.bottom = rectOK.top - 5;
rectTree.right = rectDlg.right - 5;
MoveWindowX(hwndTree, rectTree, FALSE);
#endif
}
else
{
// TRACE(_T("ERROR - tree control not found.\n"));
_ASSERTE(hwndTree);
}
}
break;
case BFFM_SELCHANGED: // sent when the selection has changed
{
TCHAR szDir[MAX_PATH*2] = { 0 };
// fail if non-filesystem
BOOL bRet = SHGetPathFromIDList((LPITEMIDLIST) lParam, szDir);
if (bRet)
{
// fail if folder not accessible
if (_taccess(szDir, 00) != 0)
{
bRet = FALSE;
}
else
{
SHFILEINFO sfi;
::SHGetFileInfo((LPCTSTR)lParam, 0, &sfi, sizeof(sfi),
SHGFI_PIDL | SHGFI_ATTRIBUTES);
// TRACE(_T("dwAttributes=0x%08X\n"), sfi.dwAttributes);
// fail if pidl is a link
if (sfi.dwAttributes & SFGAO_LINK)
{
// TRACE(_T("SFGAO_LINK\n"));
bRet = FALSE;
}
}
}
// if invalid selection, disable the OK button
if (!bRet)
{
::EnableWindow(GetDlgItem(hwnd, IDOK), FALSE);
}
// TRACE(_T("szDir=%s\n"), szDir);
}
break;
}
return 0;
}
///////////////////////////////////////////////////////////////////////////////
// SizeBrowseDialog - resize dialog, move controls
static void SizeBrowseDialog(HWND hWnd, FOLDER_PROPS *fp)
{
TRACE(_T("in void SizeBrowseDialog\n"));
// find the folder tree and make dialog larger
HWND hwndTree = FindWindowEx(hWnd, NULL, _T("SysTreeView32"), NULL);
if (!hwndTree)
{
// ... this usually means that BIF_NEWDIALOGSTYLE is enabled.
// Then the class name is as used in the code below.
hwndTree = FindWindowEx(hWnd, NULL, _T("SHBrowseForFolder ShellNameSpace Control"), NULL);
TRACE(_T("SHBrowseForFolder ShellNameSpace Control: hwndTree=%X\n"), hwndTree);
}
CRect rectDlg;
_ASSERTE(IsWindow(hwndTree));
if (hwndTree)
{
// check if edit box
int nEditHeight = 0;
HWND hwndEdit = FindWindowEx(hWnd, NULL, _T("Edit"), NULL);
TRACE(_T("hwndEdit=%x\n"), hwndEdit);
CRect rectEdit;
if (hwndEdit && (fp->ulFlags & BIF_EDITBOX))
{
::GetWindowRect(hwndEdit, &rectEdit);
ScreenToClientX(hWnd, &rectEdit);
nEditHeight = rectEdit.Height();
}
else if (hwndEdit)
{
::MoveWindow(hwndEdit, 20000, 20000, 10, 10, FALSE);
::ShowWindow(hwndEdit, SW_HIDE);
hwndEdit = 0;
}
// make the dialog larger
::GetWindowRect(hWnd, &rectDlg);
rectDlg.right += 40;
rectDlg.bottom += 30;
if (hwndEdit)
rectDlg.bottom += nEditHeight + 5;
MoveWindowX(hWnd, rectDlg, TRUE);
::GetClientRect(hWnd, &rectDlg);
int hMargin = 10;
int vMargin = 10;
// check if new dialog style - this means that there will be a resizing
// grabber in lower right corner
if (fp->ulFlags & BIF_NEWDIALOGSTYLE)
hMargin = ::GetSystemMetrics(SM_CXVSCROLL);
// move the Cancel button
CRect rectCancel;
HWND hwndCancel = ::GetDlgItem(hWnd, IDCANCEL);
if (hwndCancel)
::GetWindowRect(hwndCancel, &rectCancel);
ScreenToClientX(hWnd, &rectCancel);
int h = rectCancel.Height();
int w = rectCancel.Width();
rectCancel.bottom = rectDlg.bottom - vMargin;//nMargin;
rectCancel.top = rectCancel.bottom - h;
rectCancel.right = rectDlg.right - hMargin; //(scrollWidth + 2*borderWidth);
rectCancel.left = rectCancel.right - w;
if (hwndCancel)
{
//TRACERECT(rectCancel);
MoveWindowX(hwndCancel, rectCancel, FALSE);
}
// move the OK button
CRect rectOK(0, 0, 0, 0);
HWND hwndOK = ::GetDlgItem(hWnd, IDOK);
if (hwndOK)
::GetWindowRect(hwndOK, &rectOK);
ScreenToClientX(hWnd, &rectOK);
rectOK.bottom = rectCancel.bottom;
rectOK.top = rectCancel.top;
rectOK.right = rectCancel.left - 10;
rectOK.left = rectOK.right - w;
if (hwndOK)
{
MoveWindowX(hwndOK, rectOK, FALSE);
}
// expand the folder tree to fill the dialog
CRect rectTree;
::GetWindowRect(hwndTree, &rectTree);
ScreenToClientX(hWnd, &rectTree);
if (hwndEdit)
{
rectEdit.left = hMargin;
rectEdit.right = rectDlg.right - hMargin;
rectEdit.top = vMargin;
rectEdit.bottom = rectEdit.top + nEditHeight;
MoveWindowX(hwndEdit, rectEdit, FALSE);
rectTree.top = rectEdit.bottom + 5;
}
else
{
rectTree.top = vMargin;
}
rectTree.left = hMargin;
rectTree.bottom = rectOK.top - 10;//nMargin;
rectTree.right = rectDlg.right - hMargin;
//TRACERECT(rectTree);
MoveWindowX(hwndTree, rectTree, FALSE);
}
else
{
TRACE(_T("ERROR - tree control not found.\n"));
//_ASSERTE(hwndTree);
}
}