int main(int argc, char *argv[])
{
QApplication app(argc, argv);
QPushButton hello("Hello world!");
hello.resize(100, 30);
hello.setFont(QFont("Arial", 18, QFont::Bold));
hello.setGeometry(400, 200 , 180, 40);
QDial dial;
dial.show();
hello.show();
return app.exec();
}
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
}
int main(int argc, char **argv) {
QApplication app(argc, argv);
QDial *dial = new QDial();
dial->show();
QLCDNumber *lcdnumber = new QLCDNumber();
lcdnumber->display(12345);
lcdnumber->show();
QSlider *slider = new QSlider(Qt::Horizontal);
slider->show();
QHBoxLayout *hbox = new QHBoxLayout();
QPushButton *button = new QPushButton("Push Me");
QLineEdit *input = new QLineEdit();
hbox->addWidget(button);
hbox->addWidget(input);
QWidget *widget = new QWidget();
widget->setLayout(hbox);
widget->show();
return app.exec();
}
void tst_QDial::wrappingCheck()
{
//This tests if dial will wrap past the maximum value back to the minimum
//and vice versa when changing the value with a keypress
QDial dial;
dial.setMinimum(0);
dial.setMaximum(100);
dial.setSingleStep(1);
dial.setWrapping(true);
dial.setValue(99);
dial.show();
{ //set value to maximum but do not wrap
QTest::keyPress(&dial, Qt::Key_Up);
QCOMPARE( dial.value(), 100);
}
{ //step up once more and wrap clockwise to minimum + 1
QTest::keyPress(&dial, Qt::Key_Up);
QCOMPARE( dial.value(), 1);
}
{ //step down once, and wrap anti-clockwise to minimum, then again to maximum - 1
QTest::keyPress(&dial, Qt::Key_Down);
QCOMPARE( dial.value(), 0);
QTest::keyPress(&dial, Qt::Key_Down);
QCOMPARE( dial.value(), 99);
}
{ //when wrapping property is false no wrapping will occur
dial.setWrapping(false);
dial.setValue(100);
QTest::keyPress(&dial, Qt::Key_Up);
QCOMPARE( dial.value(), 100);
dial.setValue(0);
QTest::keyPress(&dial, Qt::Key_Down);
QCOMPARE( dial.value(), 0);
}
{ //When the step is really big or small, wrapping should still behave
dial.setWrapping(true);
dial.setValue(dial.minimum());
dial.setSingleStep(305);
QTest::keyPress(&dial, Qt::Key_Up);
QCOMPARE( dial.value(), 5);
dial.setValue(dial.minimum());
QTest::keyPress(&dial, Qt::Key_Down);
QCOMPARE( dial.value(), 95);
dial.setMinimum(-30);
dial.setMaximum(-4);
dial.setSingleStep(200);
dial.setValue(dial.minimum());
QTest::keyPress(&dial, Qt::Key_Down);
QCOMPARE( dial.value(), -22);
}
}