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#include <QApplication>
#include <QWidget>
#include <QPushButton>
#include <QtTest/QtTest>

#include "qnativeevents.h"
#include "nativeeventlist.h"
#include "expectedeventlist.h"

#ifdef Q_OS_MAC

QT_USE_NAMESPACE

class tst_MacNativeEvents : public QObject
{
Q_OBJECT
private slots:
    void testMouseMoveLocation();
    void testPushButtonPressRelease();
    void testMouseLeftDoubleClick();
    void stressTestMouseLeftDoubleClick();
    void testMouseDragInside();
};

void tst_MacNativeEvents::testMouseMoveLocation()
{
    QWidget w;
    w.setMouseTracking(true);
    w.show();
    QPoint p = w.geometry().center();

    NativeEventList native;
    native.append(new QNativeMouseMoveEvent(p, Qt::NoModifier));

    ExpectedEventList expected(&w);
    expected.append(new QMouseEvent(QEvent::MouseMove, w.mapFromGlobal(p), p, Qt::NoButton, Qt::NoButton, Qt::NoModifier));

    native.play();
    QVERIFY2(expected.waitForAllEvents(500), "the test did not receive all expected events!");
}

void tst_MacNativeEvents::testPushButtonPressRelease()
{
    // Check that a native mouse press and release generates the
    // same qevents on a pushbutton:
    QPushButton w("click me");
    w.show();
    QPoint p = w.geometry().center();

    NativeEventList native;
    native.append(new QNativeMouseButtonEvent(p, Qt::LeftButton, 1, Qt::NoModifier));
    native.append(new QNativeMouseButtonEvent(p, Qt::LeftButton, 0, Qt::NoModifier));

    ExpectedEventList expected(&w);
    expected.append(new QMouseEvent(QEvent::MouseButtonPress, w.mapFromGlobal(p), p, Qt::LeftButton, Qt::LeftButton, Qt::NoModifier));
    expected.append(new QMouseEvent(QEvent::MouseButtonRelease, w.mapFromGlobal(p), p, Qt::LeftButton, Qt::NoButton, Qt::NoModifier));

    native.play();
    QVERIFY2(expected.waitForAllEvents(), "the test did not receive all expected events!");
}

void tst_MacNativeEvents::testMouseLeftDoubleClick()
{
    // Check that a native double click makes
    // the test widget receive a press-release-click-release:
    QWidget w;
    w.show();
    QPoint p = w.geometry().center();

    NativeEventList native;
    native.append(new QNativeMouseButtonEvent(p, Qt::LeftButton, 1, Qt::NoModifier));
    native.append(new QNativeMouseButtonEvent(p, Qt::LeftButton, 0, Qt::NoModifier));
    native.append(new QNativeMouseButtonEvent(p, Qt::LeftButton, 2, Qt::NoModifier));
    native.append(new QNativeMouseButtonEvent(p, Qt::LeftButton, 0, Qt::NoModifier));

    ExpectedEventList expected(&w);
    expected.append(new QMouseEvent(QEvent::MouseButtonPress, w.mapFromGlobal(p), p, Qt::LeftButton, Qt::LeftButton, Qt::NoModifier));
    expected.append(new QMouseEvent(QEvent::MouseButtonRelease, w.mapFromGlobal(p), p, Qt::LeftButton, Qt::NoButton, Qt::NoModifier));
    expected.append(new QMouseEvent(QEvent::MouseButtonDblClick, w.mapFromGlobal(p), p, Qt::LeftButton, Qt::LeftButton, Qt::NoModifier));
    expected.append(new QMouseEvent(QEvent::MouseButtonRelease, w.mapFromGlobal(p), p, Qt::LeftButton, Qt::NoButton, Qt::NoModifier));

    native.play();
    QVERIFY2(expected.waitForAllEvents(), "the test did not receive all expected events!");
}

void tst_MacNativeEvents::stressTestMouseLeftDoubleClick()
{
    // Check that multiple, fast, double clicks makes
    // the test widget receive correct click events
    QWidget w;
    w.show();
    QPoint p = w.geometry().center();

    NativeEventList native;
    ExpectedEventList expected(&w);

    for (int i=0; i<10; ++i){
        native.append(new QNativeMouseButtonEvent(p, Qt::LeftButton, 1, Qt::NoModifier));
        native.append(new QNativeMouseButtonEvent(p, Qt::LeftButton, 0, Qt::NoModifier));
        native.append(new QNativeMouseButtonEvent(p, Qt::LeftButton, 2, Qt::NoModifier));
        native.append(new QNativeMouseButtonEvent(p, Qt::LeftButton, 0, Qt::NoModifier));

        expected.append(new QMouseEvent(QEvent::MouseButtonPress, w.mapFromGlobal(p), p, Qt::LeftButton, Qt::LeftButton, Qt::NoModifier));
        expected.append(new QMouseEvent(QEvent::MouseButtonRelease, w.mapFromGlobal(p), p, Qt::LeftButton, Qt::NoButton, Qt::NoModifier));
        expected.append(new QMouseEvent(QEvent::MouseButtonDblClick, w.mapFromGlobal(p), p, Qt::LeftButton, Qt::LeftButton, Qt::NoModifier));
        expected.append(new QMouseEvent(QEvent::MouseButtonRelease, w.mapFromGlobal(p), p, Qt::LeftButton, Qt::NoButton, Qt::NoModifier));
    }

    native.play();
    QVERIFY2(expected.waitForAllEvents(), "the test did not receive all expected events!");
}

void tst_MacNativeEvents::testMouseDragInside()
{
    // Check that a mouse drag inside a widget
    // will cause press-move-release events to be delivered
    QWidget w;
    w.show();
    QPoint p1 = w.geometry().center();
    QPoint p2 = p1 - QPoint(10, 0);
    QPoint p3 = p1 - QPoint(20, 0);
    QPoint p4 = p1 - QPoint(30, 0);

    NativeEventList native;
    native.append(new QNativeMouseButtonEvent(p1, Qt::LeftButton, 1, Qt::NoModifier));
    native.append(new QNativeMouseDragEvent(p2, Qt::LeftButton, Qt::NoModifier));
    native.append(new QNativeMouseDragEvent(p3, Qt::LeftButton, Qt::NoModifier));
    native.append(new QNativeMouseButtonEvent(p4, Qt::LeftButton, 0, Qt::NoModifier));

    ExpectedEventList expected(&w);
    expected.append(new QMouseEvent(QEvent::MouseButtonPress, w.mapFromGlobal(p1), p1, Qt::LeftButton, Qt::LeftButton, Qt::NoModifier));
    expected.append(new QMouseEvent(QEvent::MouseMove, w.mapFromGlobal(p2), p2, Qt::NoButton, Qt::LeftButton, Qt::NoModifier));
    expected.append(new QMouseEvent(QEvent::MouseMove, w.mapFromGlobal(p3), p3, Qt::NoButton, Qt::LeftButton, Qt::NoModifier));
    expected.append(new QMouseEvent(QEvent::MouseButtonRelease, w.mapFromGlobal(p4), p4, Qt::LeftButton, Qt::NoButton, Qt::NoModifier));

    native.play();
    QVERIFY2(expected.waitForAllEvents(), "the test did not receive all expected events!");
}

#include "tst_macnativeevents.moc"

QTEST_MAIN(tst_MacNativeEvents)

#else

QTEST_NOOP_MAIN

#endif