// Makes a NUL-oriented Windows filter from a Qt filter.
static QString qt_win_filter(const QString &filter)
{
QStringList filterLst = qt_win_make_filters_list(filter);
QStringList::Iterator it = filterLst.begin();
QString winfilters;
for (; it != filterLst.end(); ++it) {
QString subfilter = *it;
if (!subfilter.isEmpty()) {
winfilters += subfilter;
winfilters += QChar();
winfilters += qt_win_extract_filter(subfilter);
winfilters += QChar();
}
}
winfilters += QChar();
return winfilters;
}
// Makes a NUL-oriented Windows filter from a Qt filter.
static QString qt_win_filter(const QString &filter, bool hideFiltersDetails)
{
QStringList filterLst = qt_win_make_filters_list(filter);
QStringList::Iterator it = filterLst.begin();
QString winfilters;
QRegExp r(QString::fromLatin1(qt_file_dialog_filter_reg_exp));
for (; it != filterLst.end(); ++it) {
QString subfilter = *it;
if (!subfilter.isEmpty()) {
if (hideFiltersDetails) {
int index = r.indexIn(subfilter);
if (index >= 0)
winfilters += r.cap(1);
} else {
winfilters += subfilter;
}
winfilters += QChar();
winfilters += qt_win_extract_filter(subfilter);
winfilters += QChar();
}
}
winfilters += QChar();
return winfilters;
}
static bool qt_win_set_IFileDialogOptions(IFileDialog *pfd,
const QString& initialSelection,
const QString& initialDirectory,
const QString& title,
const QStringList& filterLst,
QFileDialog::FileMode mode,
QFileDialog::Options options)
{
if (!pSHCreateItemFromParsingName) {
// This function is available only in Vista & above.
QLibrary shellLib(QLatin1String("Shell32"));
pSHCreateItemFromParsingName = (PtrSHCreateItemFromParsingName)
shellLib.resolve("SHCreateItemFromParsingName");
if (!pSHCreateItemFromParsingName)
return false;
}
HRESULT hr;
QString winfilters;
int numFilters = 0;
quint32 currentOffset = 0;
QList<quint32> offsets;
QStringList::ConstIterator it = filterLst.begin();
// Create the native filter string and save offset to each entry.
for (; it != filterLst.end(); ++it) {
QString subfilter = *it;
if (!subfilter.isEmpty()) {
offsets<<currentOffset;
//Here the COMMON_ITEM_DIALOG API always add the details for the filter (e.g. *.txt)
//so we don't need to handle the flag HideNameFilterDetails.
winfilters += subfilter; // The name of the filter.
winfilters += QChar();
currentOffset += subfilter.size()+1;
offsets<<currentOffset;
QString spec = qt_win_extract_filter(subfilter);
winfilters += spec; // The actual filter spec.
winfilters += QChar();
currentOffset += spec.size()+1;
numFilters++;
}
}
// Add the filters to the file dialog.
if (numFilters) {
wchar_t *szData = (wchar_t*)winfilters.utf16();
COMDLG_FILTERSPEC *filterSpec = new COMDLG_FILTERSPEC[numFilters];
for(int i = 0; i<numFilters; i++) {
filterSpec[i].pszName = szData+offsets[i*2];
filterSpec[i].pszSpec = szData+offsets[(i*2)+1];
}
hr = pfd->SetFileTypes(numFilters, filterSpec);
delete []filterSpec;
}
// Set the starting folder.
tInitDir = QDir::toNativeSeparators(initialDirectory);
if (!tInitDir.isEmpty()) {
IShellItem *psiDefaultFolder;
hr = pSHCreateItemFromParsingName((wchar_t*)tInitDir.utf16(),
NULL,
IID_PPV_ARGS(&psiDefaultFolder));
if (SUCCEEDED(hr)) {
hr = pfd->SetFolder(psiDefaultFolder);
psiDefaultFolder->Release();
}
}
// Set the currently selected file.
QString initSel = QDir::toNativeSeparators(initialSelection);
if (!initSel.isEmpty()) {
initSel.remove(QLatin1Char('<'));
initSel.remove(QLatin1Char('>'));
initSel.remove(QLatin1Char('\"'));
initSel.remove(QLatin1Char('|'));
}
if (!initSel.isEmpty()) {
hr = pfd->SetFileName((wchar_t*)initSel.utf16());
}
// Set the title for the file dialog.
if (!title.isEmpty()) {
hr = pfd->SetTitle((wchar_t*)title.utf16());
}
// Set other flags for the dialog.
DWORD newOptions;
hr = pfd->GetOptions(&newOptions);
if (SUCCEEDED(hr)) {
newOptions |= FOS_NOCHANGEDIR;
if (mode == QFileDialog::ExistingFile ||
mode == QFileDialog::ExistingFiles)
newOptions |= (FOS_FILEMUSTEXIST | FOS_PATHMUSTEXIST);
if (mode == QFileDialog::ExistingFiles)
newOptions |= FOS_ALLOWMULTISELECT;
if (!(options & QFileDialog::DontConfirmOverwrite))
newOptions |= FOS_OVERWRITEPROMPT;
hr = pfd->SetOptions(newOptions);
}
return SUCCEEDED(hr);
}
QString qt_win_get_save_file_name(const QFileDialogArgs &args,
QString *initialDirectory,
QString *selectedFilter)
{
QString result;
QString isel = args.selection;
if (initialDirectory && initialDirectory->left(5) == QLatin1String("file:"))
initialDirectory->remove(0, 5);
QFileInfo fi(*initialDirectory);
if (initialDirectory && !fi.isDir()) {
*initialDirectory = fi.absolutePath();
if (isel.isEmpty())
isel = fi.fileName();
}
if (!fi.exists())
*initialDirectory = QDir::homePath();
DWORD selFilIdx = 0;
int idx = 0;
if (selectedFilter) {
QStringList filterLst = qt_win_make_filters_list(args.filter);
idx = filterLst.indexOf(*selectedFilter);
}
QDialog modal_widget;
modal_widget.setAttribute(Qt::WA_NoChildEventsForParent, true);
modal_widget.setParent(args.parent, Qt::Window);
QApplicationPrivate::enterModal(&modal_widget);
bool hideFiltersDetails = args.options & QFileDialog::HideNameFilterDetails;
// This block is used below for the lpstrDefExt member.
// Note that the current MSDN docs document this member wrong.
// It should rather be documented as "the default extension if no extension was given and if the
// current filter does not have a extension (e.g (*)). If the current filter have an extension, use
// the extension of the current filter"
QString defaultSaveExt;
if (selectedFilter && !selectedFilter->isEmpty()) {
defaultSaveExt = qt_win_extract_filter(*selectedFilter);
// make sure we only have the extension
int firstDot = defaultSaveExt.indexOf(QLatin1Char('.'));
if (firstDot != -1) {
defaultSaveExt.remove(0, firstDot + 1);
} else {
defaultSaveExt.clear();
}
}
OPENFILENAME *ofn = qt_win_make_OFN(args.parent, args.selection,
args.directory, args.caption,
qt_win_filter(args.filter, hideFiltersDetails),
QFileDialog::AnyFile,
args.options);
ofn->lpstrDefExt = (wchar_t*)defaultSaveExt.utf16();
if (idx)
ofn->nFilterIndex = idx + 1;
if (GetSaveFileName(ofn)) {
result = QString::fromWCharArray(ofn->lpstrFile);
selFilIdx = ofn->nFilterIndex;
}
qt_win_clean_up_OFN(&ofn);
#if defined(Q_WS_WINCE)
int semIndex = result.indexOf(QLatin1Char(';'));
if (semIndex >= 0)
result = result.left(semIndex);
#endif
QApplicationPrivate::leaveModal(&modal_widget);
qt_win_eatMouseMove();
if (result.isEmpty())
return result;
fi = result;
*initialDirectory = fi.path();
if (selectedFilter)
*selectedFilter = qt_win_selected_filter(args.filter, selFilIdx);
return fi.absoluteFilePath();
}
