Function getSaveFileName

src/qt/guiutil.cpp:321–366

}

QString getSaveFileName(QWidget* parent, const QString& caption, const QString& dir, const QString& filter, QString* selectedSuffixOut)
{
    QString selectedFilter;
    QString myDir;
    if (dir.isEmpty()) // Default to user documents location
    {
#if QT_VERSION < 0x050000
        myDir = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
#else
        myDir = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
#endif
    } else {
        myDir = dir;
    }

    /**
     * This is a bug of QT. We should not use Native dialog as a workaround.
     **/

    /* Directly convert path to native OS path separators */
    QString result = QDir::toNativeSeparators(QFileDialog::getSaveFileName(parent, caption, myDir, filter, &selectedFilter, QFileDialog::Option::DontUseNativeDialog));

    /* Extract first suffix from filter pattern "Description (*.foo)" or "Description (*.foo *.bar ...) */
    QRegExp filter_re(".* \\(\\*\\.(.*)[ \\)]");
    QString selectedSuffix;
    if (filter_re.exactMatch(selectedFilter)) {
        selectedSuffix = filter_re.cap(1);
    }

    /* Add suffix if needed */
    QFileInfo info(result);
    if (!result.isEmpty()) {
        if (info.suffix().isEmpty() && !selectedSuffix.isEmpty()) {
            /* No suffix specified, add selected suffix */
            if (!result.endsWith("."))
                result.append(".");
            result.append(selectedSuffix);
        }
    }

    /* Return selected suffix if asked to */
    if (selectedSuffixOut) {
        *selectedSuffixOut = selectedSuffix;
    }
    return result;
}

QString getOpenFileName(QWidget* parent, const QString& caption, const QString& dir, const QString& filter, QString* selectedSuffixOut)
{