C++ (Cpp) QDial::heightの例

コード例 #1

ファイル: tst_qdial.cpp プロジェクト: Mr-Kumar-Abhishek/qt

void tst_QDial::sliderMoved()
{
    //this tests that when dragging the arrow that the sliderMoved signal is emitted
    //even if tracking is set to false
    QDial dial;
    dial.setTracking(false);
    dial.setMinimum(0);
    dial.setMaximum(100);

    dial.show();

    QPoint init(dial.width()/4, dial.height()/2);

    QMouseEvent pressevent(QEvent::MouseButtonPress, init,
        Qt::LeftButton, Qt::LeftButton, 0);
    qApp->sendEvent(&dial, &pressevent);

    QSignalSpy sliderspy(&dial, SIGNAL(sliderMoved(int)));
    QSignalSpy valuespy(&dial, SIGNAL(valueChanged(int)));


    { //move on top of the slider
        init = QPoint(dial.width()/2, dial.height()/4);
        QMouseEvent moveevent(QEvent::MouseMove, init,
            Qt::LeftButton, Qt::LeftButton, 0);
        qApp->sendEvent(&dial, &moveevent);
        QCOMPARE( sliderspy.count(), 1);
        QCOMPARE( valuespy.count(), 0);
    }


    { //move on the right of the slider
        init = QPoint(dial.width()*3/4, dial.height()/2);
        QMouseEvent moveevent(QEvent::MouseMove, init,
            Qt::LeftButton, Qt::LeftButton, 0);
        qApp->sendEvent(&dial, &moveevent);
        QCOMPARE( sliderspy.count(), 2);
        QCOMPARE( valuespy.count(), 0);
    }

    QMouseEvent releaseevent(QEvent::MouseButtonRelease, init,
        Qt::LeftButton, Qt::LeftButton, 0);
    qApp->sendEvent(&dial, &releaseevent);
    QCOMPARE( valuespy.count(), 1); // valuechanged signal should be called at this point

}