Method loadFromFile

common/themes/theme_editor_dialog.cpp:411–441

}

void ThemeEditorDialog::loadFromFile()
{
    const QString path = QFileDialog::getOpenFileName(
            this, tr("Load theme"), QString(), tr("JSON files (*.json);;All files (*)"));
    if (path.isEmpty())
        return;

    QFile file(path);
    if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
        QMessageBox::warning(this, tr("Load failed"), tr("Could not open file:\n%1").arg(path));
        return;
    }

    QJsonParseError err;
    const QJsonDocument doc = QJsonDocument::fromJson(file.readAll(), &err);
    if (doc.isNull()) {
        QMessageBox::warning(this, tr("Load failed"), tr("Invalid JSON:\n%1").arg(err.errorString()));
        return;
    }
    if (!doc.isObject()) {
        QMessageBox::warning(this, tr("Load failed"), tr("Expected a JSON object."));
        return;
    }

    params = normalizeThemeJson(doc.object());
    syncMetaFromParams();
    tree->clear();
    populate(nullptr, params, { });
    tree->expandAll();
    emit themeJsonChanged(params);
}

void ThemeEditorDialog::identifyPressed()
{