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    41 

    42 

    43 #include <QtTest/QtTest>

    44 

    45 #ifdef Q_WS_QWS

    46 

    47 //TESTED_CLASS=

    48 //TESTED_FILES=

    49 

    50 #include <qdesktopwidget.h>

    51 #include <qscreen_qws.h>

    52 #include <qscreendriverfactory_qws.h>

    53 #include <qlabel.h>

    54 

    55 class tst_QMultiScreen : public QObject

    56 {

    57     Q_OBJECT

    58 

    59 public:

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

    61     ~tst_QMultiScreen() {}

    62 

    63 private slots:

    64     void initTestCase();

    65     void cleanupTestCase();

    66     void widgetSetFixedSize();

    67     void grabWindow();

    68 

    69 private:

    70     QScreen *screen;

    71     QScreen *oldScreen;

    72 };

    73 

    74 void tst_QMultiScreen::cleanupTestCase()

    75 {

    76     screen->shutdownDevice();

    77     screen->disconnect();

    78     delete screen;

    79     screen = 0;

    80 

    81     qt_screen = oldScreen;

    82 }

    83 

    84 void tst_QMultiScreen::initTestCase()

    85 {

    86     oldScreen = qt_screen;

    87 

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

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

    90 

    91     const int id = 10;

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

    93     QVERIFY(screen);

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

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

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

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

    98                                     ":%4")

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

   100     QVERIFY(screen->initDevice());

   101 

   102     QDesktopWidget desktop;

   103     QCOMPARE(desktop.numScreens(), 3);

   104 }

   105 

   106 void tst_QMultiScreen::widgetSetFixedSize()

   107 {

   108     QDesktopWidget desktop;

   109     QRect maxRect;

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

   111         maxRect |= desktop.availableGeometry(i);

   112 

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

   114 

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

   116     QWidget w;

   117     w.setFixedSize(maxRect.size());

   118     w.show();

   119     QApplication::processEvents();

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

   121 }

   122 

   123 void tst_QMultiScreen::grabWindow()

   124 {

   125     QDesktopWidget desktop;

   126 

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

   128 

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

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

   131 

   132     QWidget w;

   133     w.setGeometry(r0);

   134     w.show();

   135 

   136     QLabel l("hi there");

   137     l.setGeometry(r1);

   138     l.show();

   139 

   140     QApplication::processEvents();

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

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

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

   144 

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

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

   147 

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

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

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

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

   152 

   153     const QImage img0 = p0.toImage();

   154     const QImage img1 = p1.toImage();

   155 

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

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

   158 

   159     QImage::Format format = QImage::Format_RGB16;

   160     QCOMPARE(img0.convertToFormat(format),

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

   162     QCOMPARE(img1.convertToFormat(format),

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

   164 }

   165 

   166 QTEST_MAIN(tst_QMultiScreen)

   167 

   168 #include "tst_qmultiscreen.moc"

   169 

   170 #else // Q_WS_QWS

   171 QTEST_NOOP_MAIN

   172 #endif