#include "ApplicationSetup.hpp"

#include "Stringify.hpp"

#include "StubNodeDataModel.hpp"

#include <QtNodes/Connection>

#include <QtNodes/FlowScene>

#include <QtNodes/FlowView>

#include <QtNodes/Node>

#include <catch2/catch.hpp>

#include <QtTest>

#include <QtWidgets/QApplication>

using QtNodes::Connection;

using QtNodes::DataModelRegistry;

using QtNodes::FlowScene;

using QtNodes::FlowView;

using QtNodes::Node;

using QtNodes::NodeData;

using QtNodes::NodeDataModel;

using QtNodes::NodeDataType;

using QtNodes::PortIndex;

using QtNodes::PortType;

TEST_CASE("Dragging node changes position", "[gui]")

{

auto app = applicationSetup();

FlowScene scene;

FlowView view(&scene);

view.show();

REQUIRE(QTest::qWaitForWindowExposed(&view));

SECTION("just one node")

{

auto &node = scene.createNode(std::make_unique<StubNodeDataModel>());

auto &ngo = node.nodeGraphicsObject();

QPointF scPosBefore = ngo.pos();

QPointF scClickPos = ngo.boundingRect().center();

scClickPos = QPointF(ngo.sceneTransform().map(scClickPos).toPoint());

QPoint vwClickPos = view.mapFromScene(scClickPos);

QPoint vwDestPos = vwClickPos + QPoint(10, 20);

QPointF scExpectedDelta = view.mapToScene(vwDestPos) - scClickPos;

CAPTURE(scClickPos);

CAPTURE(vwClickPos);

CAPTURE(vwDestPos);

CAPTURE(scExpectedDelta);

QTest::mouseMove(view.windowHandle(), vwClickPos);

QTest::mousePress(view.windowHandle(), Qt::LeftButton, Qt::NoModifier, vwClickPos);

QTest::mouseMove(view.windowHandle(), vwDestPos);

QTest::mouseRelease(view.windowHandle(), Qt::LeftButton, Qt::NoModifier, vwDestPos);

QPointF scDelta = ngo.pos() - scPosBefore;

QPoint roundDelta = scDelta.toPoint();

QPoint roundExpectedDelta = scExpectedDelta.toPoint();

CHECK(roundDelta == roundExpectedDelta);

}

}