message: qt, refactor: Limit scope of QPainter object
diff: @@ -66,6 +66,7 @@ bool QRImageWidget::setQR(const QString& data, const QString& text)
  QImage qrAddrImage = QImage(QR_IMAGE_SIZE, QR_IMAGE_SIZE + (text.isEmpty() ? 0 : 20), QImage::Format_RGB32);
  qrAddrImage.fill(0xffffff);
  + {
  QPainter painter(&qrAddrImage);
  painter.drawImage(0, 0, qrImage.scaled(QR_IMAGE_SIZE, QR_IMAGE_SIZE));
  @@ -82,8 +83,8 @@ bool QRImageWidget::setQR(const QString& data, const QString& text)
  paddedRect.setHeight(QR_IMAGE_SIZE+12);
  painter.drawText(paddedRect, Qt::AlignBottom|Qt::AlignCenter, text);
  }
  + }
  - painter.end();
  setPixmap(QPixmap::fromImage(qrAddrImage));
  return true;
  