Method wheelEventCenterAxes

tests/cartesianplot/CartesianPlotTest.cpp:1018–1102

}

void CartesianPlotTest::wheelEventCenterAxes() {
	Project project;

	auto* worksheet = new Worksheet(QStringLiteral("Worksheet"));
	project.addChild(worksheet);
	auto* view = dynamic_cast<WorksheetView*>(worksheet->view());
	QVERIFY(view != nullptr);
	view->initMenus(); // needed by SET_CARTESIAN_MOUSE_MODE()

	auto* plot = new CartesianPlot(QStringLiteral("plot"));
	worksheet->addChild(plot);
	plot->setType(CartesianPlot::Type::TwoAxes); // Otherwise no axis are created
	plot->setNiceExtend(false);

	auto* equationCurve{new XYEquationCurve(QStringLiteral("f(x)"))};
	equationCurve->setCoordinateSystemIndex(plot->defaultCoordinateSystemIndex());
	plot->addChild(equationCurve);

	XYEquationCurve::EquationData data;
	data.min = QStringLiteral("0");
	data.max = QStringLiteral("10");
	data.count = 10;
	data.expression1 = QStringLiteral("x");
	equationCurve->setEquationData(data);
	equationCurve->recalculate();

	CHECK_RANGE(plot, equationCurve, Dimension::X, 0., 10.);
	CHECK_RANGE(plot, equationCurve, Dimension::Y, 0., 10.);

	plot->m_zoomFactor = 2;
	plot->setNiceExtend(false);
	const auto& rect = plot->dataRect();

	int signalEmittedCounter = 0;
	connect(plot,
			&CartesianPlot::wheelEventSignal,
			[&signalEmittedCounter](const QPointF& sceneRelPos, int delta, int xIndex, int yIndex, bool considerDimension, Dimension dim) {
				signalEmittedCounter++;
				if (signalEmittedCounter == 1) {
					QCOMPARE(sceneRelPos.x(), 0.5);
					QCOMPARE(sceneRelPos.y(), 0.5);
					QVERIFY(delta > 0);
					QCOMPARE(xIndex, 0);
					QCOMPARE(yIndex, 0);
					QCOMPARE(considerDimension, true);
					QCOMPARE(dim, Dimension::X);
				} else {
					QCOMPARE(sceneRelPos.x(), 0.5);
					QCOMPARE(sceneRelPos.y(), 0.5);
					QVERIFY(delta < 0);
					QCOMPARE(xIndex, 0);
					QCOMPARE(yIndex, 0);
					QCOMPARE(considerDimension, true);
					QCOMPARE(dim, Dimension::Y);
				}
			});

	const auto& axes = plot->children<Axis>();