QString qt_win_get_open_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;
QT_WA({
// Use Unicode strings and API
OPENFILENAME* ofn = qt_win_make_OFN(args.parent, args.selection,
args.directory, args.caption,
qt_win_filter(args.filter, hideFiltersDetails),
QFileDialog::ExistingFile,
args.options);
if (idx)
ofn->nFilterIndex = idx + 1;
if (GetOpenFileName(ofn)) {
result = QString::fromUtf16((ushort*)ofn->lpstrFile);
selFilIdx = ofn->nFilterIndex;
}
qt_win_clean_up_OFN(&ofn);
} , {
// 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;
}
QStringList qt_win_get_open_file_names(const QFileDialogArgs &args,
QString *initialDirectory,
QString *selectedFilter)
{
QFileInfo fi;
QDir dir;
if (initialDirectory && initialDirectory->left(5) == QLatin1String("file:"))
initialDirectory->remove(0, 5);
fi = QFileInfo(*initialDirectory);
if (initialDirectory && !fi.isDir()) {
*initialDirectory = fi.absolutePath();
}
if (!fi.exists())
*initialDirectory = QDir::homePath();
DWORD selFilIdx = 0;
QStringList filterLst = qt_win_make_filters_list(args.filter);
int idx = 0;
if (selectedFilter) {
idx = filterLst.indexOf(*selectedFilter);
}
// Windows Vista (& above) allows users to search from file dialogs. If user selects
// multiple files belonging to different folders from these search results, the
// GetOpenFileName() will return only one folder name for all the files. To retrieve
// the correct path for all selected files, we have to use Common Item Dialog interfaces.
#if defined(USE_COMMON_ITEM_DIALOG)
if (QSysInfo::WindowsVersion >= QSysInfo::WV_VISTA && QSysInfo::WindowsVersion < QSysInfo::WV_NT_based)
return qt_win_CID_get_open_file_names(args, initialDirectory, filterLst, selectedFilter, idx);
#endif
QStringList result;
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;
OPENFILENAME* ofn = qt_win_make_OFN(args.parent, args.selection,
args.directory, args.caption,
qt_win_filter(args.filter, hideFiltersDetails),
QFileDialog::ExistingFiles,
args.options);
if (idx)
ofn->nFilterIndex = idx + 1;
if (GetOpenFileName(ofn)) {
QString fileOrDir = QString::fromWCharArray(ofn->lpstrFile);
selFilIdx = ofn->nFilterIndex;
int offset = fileOrDir.length() + 1;
if (ofn->lpstrFile[offset] == 0) {
// Only one file selected; has full path
fi.setFile(fileOrDir);
QString res = fi.absoluteFilePath();
if (!res.isEmpty())
result.append(res);
}
else {
// Several files selected; first string is path
dir.setPath(fileOrDir);
QString f;
while(!(f = QString::fromWCharArray(ofn->lpstrFile + offset)).isEmpty()) {
fi.setFile(dir, f);
QString res = fi.absoluteFilePath();
if (!res.isEmpty())
result.append(res);
offset += f.length() + 1;
}
}
}
qt_win_clean_up_OFN(&ofn);
QApplicationPrivate::leaveModal(&modal_widget);
qt_win_eatMouseMove();
if (!result.isEmpty()) {
*initialDirectory = fi.path(); // only save the path if there is a result
if (selectedFilter)
*selectedFilter = qt_win_selected_filter(args.filter, selFilIdx);
}
return result;
}
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();
}
static QString qt_win_selected_filter(const QString &filter, DWORD idx)
{
return qt_win_make_filters_list(filter).at((int)idx - 1);
}
