124 lines
3.8 KiB
C++
124 lines
3.8 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
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#include <QFont>
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#include <QString>
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#include <QtTest>
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#include <QCoreApplication>
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#include <QQmlComponent>
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#include <QQmlEngine>
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#include <QQuickItem>
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#include <QtQuick/private/qquicktextmetrics_p.h>
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#include <QFontMetricsF>
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class tst_QQuickTextMetrics : public QObject
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{
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Q_OBJECT
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public:
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tst_QQuickTextMetrics();
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private Q_SLOTS:
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void font();
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void functionsWithArguments_data();
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void functionsWithArguments();
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};
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tst_QQuickTextMetrics::tst_QQuickTextMetrics()
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{
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}
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void tst_QQuickTextMetrics::font()
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{
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QQuickTextMetrics metrics;
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QSignalSpy fontSpy(&metrics, SIGNAL(fontChanged()));
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QSignalSpy metricsSpy(&metrics, SIGNAL(metricsChanged()));
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QFont font;
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font.setPointSize(font.pointSize() + 1);
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metrics.setFont(font);
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QCOMPARE(fontSpy.count(), 1);
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QCOMPARE(metricsSpy.count(), 1);
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}
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Q_DECLARE_METATYPE(Qt::TextElideMode)
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void tst_QQuickTextMetrics::functionsWithArguments_data()
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{
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QTest::addColumn<QString>("text");
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QTest::addColumn<Qt::TextElideMode>("mode");
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QTest::addColumn<qreal>("width");
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QStringList strings;
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strings << QString()
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<< QString::fromLatin1("")
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<< QString::fromLatin1("0")
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<< QString::fromLatin1("@@@@@@@")
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<< QString::fromLatin1("Hello");
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QVector<Qt::TextElideMode> elideModes;
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elideModes << Qt::ElideLeft << Qt::ElideMiddle << Qt::ElideRight << Qt::ElideNone;
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for (int stringIndex = 0; stringIndex < strings.size(); ++stringIndex) {
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const QString string = strings.at(stringIndex);
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for (int elideModeIndex = 0; elideModeIndex < elideModes.size(); ++elideModeIndex) {
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Qt::TextElideMode elideMode = static_cast<Qt::TextElideMode>(elideModes.at(elideModeIndex));
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for (qreal width = 0; width < 100; width += 20) {
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const QString tag = QString::fromLatin1("string=%1, mode=%2, width=%3").arg(string).arg(elideMode).arg(width);
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QTest::newRow(qPrintable(tag)) << QString() << elideMode << width;
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}
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}
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}
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}
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void tst_QQuickTextMetrics::functionsWithArguments()
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{
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QFETCH(QString, text);
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QFETCH(Qt::TextElideMode, mode);
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QFETCH(qreal, width);
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QQuickTextMetrics metrics;
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// Ensures that the values actually change.
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metrics.setText(text + "extra");
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metrics.setElideWidth(width + 1);
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switch (mode) {
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case Qt::ElideNone: metrics.setElide(Qt::ElideMiddle); break;
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case Qt::ElideLeft: metrics.setElide(Qt::ElideRight); break;
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case Qt::ElideMiddle: metrics.setElide(Qt::ElideNone); break;
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case Qt::ElideRight: metrics.setElide(Qt::ElideLeft); break;
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}
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QSignalSpy textSpy(&metrics, SIGNAL(textChanged()));
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QSignalSpy metricsSpy(&metrics, SIGNAL(metricsChanged()));
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metrics.setText(text);
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QCOMPARE(textSpy.count(), 1);
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QCOMPARE(metricsSpy.count(), 1);
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QSignalSpy elideSpy(&metrics, SIGNAL(elideChanged()));
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metrics.setElide(mode);
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QCOMPARE(elideSpy.count(), 1);
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QCOMPARE(metricsSpy.count(), 2);
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QSignalSpy elideWidthSpy(&metrics, SIGNAL(elideWidthChanged()));
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metrics.setElideWidth(width);
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QCOMPARE(elideWidthSpy.count(), 1);
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QCOMPARE(metricsSpy.count(), 3);
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QFontMetricsF expected = QFontMetricsF(QFont());
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QCOMPARE(metrics.elidedText(), expected.elidedText(text, mode, width, 0));
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QCOMPARE(metrics.advanceWidth(), expected.width(text));
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QCOMPARE(metrics.boundingRect(), expected.boundingRect(text));
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QCOMPARE(metrics.width(), expected.boundingRect(text).width());
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QCOMPARE(metrics.height(), expected.boundingRect(text).height());
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QCOMPARE(metrics.tightBoundingRect(), expected.tightBoundingRect(text));
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}
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QTEST_MAIN(tst_QQuickTextMetrics)
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#include "tst_qquicktextmetrics.moc"
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