Ejemplo n.º 1
0
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);
    } , {
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();
}