void QDBusViewer::callMethod(const BusSignature &sig)
{
QDBusInterface iface(sig.mService, sig.mPath, sig.mInterface, c);
const QMetaObject *mo = iface.metaObject();
// find the method
QMetaMethod method;
for (int i = 0; i < mo->methodCount(); ++i) {
const QString signature = QString::fromLatin1(mo->method(i).signature());
if (signature.startsWith(sig.mName) && signature.at(sig.mName.length()) == QLatin1Char('('))
if (getDbusSignature(mo->method(i)) == sig.mTypeSig)
method = mo->method(i);
}
if (!method.signature()) {
QMessageBox::warning(this, tr("Unable to find method"),
tr("Unable to find method %1 on path %2 in interface %3").arg(
sig.mName).arg(sig.mPath).arg(sig.mInterface));
return;
}
PropertyDialog dialog;
QList<QVariant> args;
const QList<QByteArray> paramTypes = method.parameterTypes();
const QList<QByteArray> paramNames = method.parameterNames();
QList<int> types; // remember the low-level D-Bus type
for (int i = 0; i < paramTypes.count(); ++i) {
const QByteArray paramType = paramTypes.at(i);
if (paramType.endsWith('&'))
continue; // ignore OUT parameters
QVariant::Type type = QVariant::nameToType(paramType);
dialog.addProperty(QString::fromLatin1(paramNames.value(i)), type);
types.append(QMetaType::type(paramType));
}
if (!types.isEmpty()) {
dialog.setInfo(tr("Please enter parameters for the method \"%1\"").arg(sig.mName));
if (dialog.exec() != QDialog::Accepted)
return;
args = dialog.values();
}
// Special case - convert a value to a QDBusVariant if the
// interface wants a variant
for (int i = 0; i < args.count(); ++i) {
if (types.at(i) == qMetaTypeId<QDBusVariant>())
args[i] = qVariantFromValue(QDBusVariant(args.at(i)));
}
QDBusMessage message = QDBusMessage::createMethodCall(sig.mService, sig.mPath, sig.mInterface,
sig.mName);
message.setArguments(args);
c.callWithCallback(message, this, SLOT(dumpMessage(QDBusMessage)));
}
void VideoTestWindow::on_actionProperties_triggered()
{
PropertyDialog dlg;
dlg.setVideoEngine(&_videoEngine);
dlg.exec();
}