Пример #1
0
  //----------------------------------------------------------------
  // getElidedText
  //
  static QString
  getElidedText(double maxWidth,
                const Text & item,
                const QFontMetricsF & fm,
                int flags)
  {
    QString text = item.text_.get().toString();

    if (item.elide_ != Qt::ElideNone)
    {
      QString textElided = fm.elidedText(text, item.elide_, maxWidth, flags);
#if 0
      if (text != textElided)
      {
        std::cerr
          << "original: " << text.toUtf8().constData() << std::endl
          << "  elided: " << textElided.toUtf8().constData() << std::endl;
        YAE_ASSERT(false);
      }
#endif
      text = textElided;
    }

    return text;
  }
void tst_QQuickTextMetrics::functionsWithArguments()
{
    QFETCH(QString, text);
    QFETCH(Qt::TextElideMode, mode);
    QFETCH(qreal, width);

    QQuickTextMetrics metrics;
    // Ensures that the values actually change.
    metrics.setText(text + "extra");
    metrics.setElideWidth(width + 1);
    switch (mode) {
        case Qt::ElideNone: metrics.setElide(Qt::ElideMiddle); break;
        case Qt::ElideLeft: metrics.setElide(Qt::ElideRight); break;
        case Qt::ElideMiddle: metrics.setElide(Qt::ElideNone); break;
        case Qt::ElideRight: metrics.setElide(Qt::ElideLeft); break;
    }

    QSignalSpy textSpy(&metrics, SIGNAL(textChanged()));
    QSignalSpy metricsSpy(&metrics, SIGNAL(metricsChanged()));
    metrics.setText(text);
    QCOMPARE(textSpy.count(), 1);
    QCOMPARE(metricsSpy.count(), 1);

    QSignalSpy elideSpy(&metrics, SIGNAL(elideChanged()));
    metrics.setElide(mode);
    QCOMPARE(elideSpy.count(), 1);
    QCOMPARE(metricsSpy.count(), 2);

    QSignalSpy elideWidthSpy(&metrics, SIGNAL(elideWidthChanged()));
    metrics.setElideWidth(width);
    QCOMPARE(elideWidthSpy.count(), 1);
    QCOMPARE(metricsSpy.count(), 3);

    QFontMetricsF expected = QFontMetricsF(QFont());

    QCOMPARE(metrics.elidedText(), expected.elidedText(text, mode, width, 0));
    QCOMPARE(metrics.advanceWidth(), expected.width(text));
    QCOMPARE(metrics.boundingRect(), expected.boundingRect(text));
    QCOMPARE(metrics.width(), expected.boundingRect(text).width());
    QCOMPARE(metrics.height(), expected.boundingRect(text).height());
    QCOMPARE(metrics.tightBoundingRect(), expected.tightBoundingRect(text));
}