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#include <QtTest/QtTest>

#ifdef Q_WS_QWS

//TESTED_CLASS=

//TESTED_FILES=

#include <qdesktopwidget.h>

#include <qscreen_qws.h>

#include <qscreendriverfactory_qws.h>

#include <qlabel.h>

class tst_QMultiScreen : public QObject

{

    Q_OBJECT

public:

    tst_QMultiScreen() : screen(0), oldScreen(0) {}

    ~tst_QMultiScreen() {}

private slots:

    void initTestCase();

    void cleanupTestCase();

    void widgetSetFixedSize();

    void grabWindow();

private:

    QScreen *screen;

    QScreen *oldScreen;

};

void tst_QMultiScreen::cleanupTestCase()

{

    screen->shutdownDevice();

    screen->disconnect();

    delete screen;

    screen = 0;

    qt_screen = oldScreen;

}

void tst_QMultiScreen::initTestCase()

{

    oldScreen = qt_screen;

    QVERIFY(QScreenDriverFactory::keys().contains(QLatin1String("Multi")));

    QVERIFY(QScreenDriverFactory::keys().contains(QLatin1String("VNC")));

    const int id = 10;

    screen = QScreenDriverFactory::create("Multi", id);

    QVERIFY(screen);

    QVERIFY(screen->connect(QString("Multi: "

                                    "VNC:size=640x480:depth=32:offset=0,0:%1 "

                                    "VNC:size=640x480:depth=32:offset=640,0:%2 "

                                    "VNC:size=640x480:depth=16:offset=0,480:%3 "

                                    ":%4")

                            .arg(id+1).arg(id+2).arg(id+3).arg(id)));

    QVERIFY(screen->initDevice());

    QDesktopWidget desktop;

    QCOMPARE(desktop.numScreens(), 3);

}

void tst_QMultiScreen::widgetSetFixedSize()

{

    QDesktopWidget desktop;

    QRect maxRect;

    for (int i = 0; i < desktop.numScreens(); ++i)

        maxRect |= desktop.availableGeometry(i);

    maxRect = maxRect.adjusted(50, 50, -50, -50);

    // make sure we can set a size larger than a single screen (task 166368)

    QWidget w;

    w.setFixedSize(maxRect.size());

    w.show();

    QApplication::processEvents();

    QCOMPARE(w.geometry().size(), maxRect.size());

}

void tst_QMultiScreen::grabWindow()

{

    QDesktopWidget desktop;

    QVERIFY(desktop.numScreens() >= 2);

    const QRect r0 = desktop.availableGeometry(0).adjusted(50, 50, -50, -50);

    const QRect r1 = desktop.availableGeometry(1).adjusted(60, 60, -60, -60);

    QWidget w;

    w.setGeometry(r0);

    w.show();

    QLabel l("hi there");

    l.setGeometry(r1);

    l.show();

    QApplication::processEvents();

    QApplication::sendPostedEvents(); // workaround for glib event loop

    QVERIFY(desktop.screenNumber(&w) == 0);

    QVERIFY(desktop.screenNumber(&l) == 1);

    const QPixmap p0 = QPixmap::grabWindow(w.winId());

    const QPixmap p1 = QPixmap::grabWindow(l.winId());

//     p0.save("w.png", "PNG");

//     p1.save("l.png", "PNG");

    QCOMPARE(p0.size(), w.size());

    QCOMPARE(p1.size(), l.size());

    const QImage img0 = p0.toImage();

    const QImage img1 = p1.toImage();

//     QPixmap::grabWidget(&w).toImage().convertToFormat(img0.format()).save("w_img.png", "PNG");

//     QPixmap::grabWidget(&l).toImage().convertToFormat(img1.format()).save("l_img.png", "PNG");

    QImage::Format format = QImage::Format_RGB16;

    QCOMPARE(img0.convertToFormat(format),

             QPixmap::grabWidget(&w).toImage().convertToFormat(format));

    QCOMPARE(img1.convertToFormat(format),

             QPixmap::grabWidget(&l).toImage().convertToFormat(format));

}

QTEST_MAIN(tst_QMultiScreen)

#include "tst_qmultiscreen.moc"

#else // Q_WS_QWS

QTEST_NOOP_MAIN

#endif