Long live Qt 4.5!

37 files changed, 4784 insertions, 0 deletions

diff --git a/examples/qws/README b/examples/qws/README
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index 0000000..d7cf21a
--- /dev/null
+++ b/examples/qws/README
@@ -0,0 +1,38 @@
+These examples show how to take advantage of features specifically designed
+for use on systems with limited resources, specialized hardware, and small
+screens.
+
+
+The example launcher provided with Qt can be used to explore each of the
+examples in this directory.
+
+Documentation for these examples can be found via the Tutorial and Examples
+link in the main Qt documentation.
+
+
+Finding the Qt Examples and Demos launcher
+==========================================
+
+On Windows:
+
+The launcher can be accessed via the Windows Start menu. Select the menu
+entry entitled "Qt Examples and Demos" entry in the submenu containing
+the Qt tools.
+
+On Mac OS X:
+
+For the binary distribution, the qtdemo executable is installed in the
+/Developer/Applications/Qt directory. For the source distribution, it is
+installed alongside the other Qt tools on the path specified when Qt is
+configured.
+
+On Unix/Linux:
+
+The qtdemo executable is installed alongside the other Qt tools on the path
+specified when Qt is configured.
+
+On all platforms:
+
+The source code for the launcher can be found in the demos/qtdemo directory
+in the Qt package. This example is built at the same time as the Qt libraries,
+tools, examples, and demonstrations.
diff --git a/examples/qws/ahigl/ahigl.pro b/examples/qws/ahigl/ahigl.pro
new file mode 100644
index 0000000..1ee8e6e
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+++ b/examples/qws/ahigl/ahigl.pro
@@ -0,0 +1,16 @@
+TEMPLATE = lib
+QT += opengl
+CONFIG += plugin
+
+TARGET	 = qahiglscreen
+
+target.path = $$[QT_INSTALL_PLUGINS]/gfxdrivers
+INSTALLS += target
+
+HEADERS	= qwindowsurface_ahigl_p.h \
+          qscreenahigl_qws.h
+
+SOURCES	= qwindowsurface_ahigl.cpp \
+          qscreenahigl_qws.cpp \
+          qscreenahiglplugin.cpp
+
diff --git a/examples/qws/ahigl/qscreenahigl_qws.cpp b/examples/qws/ahigl/qscreenahigl_qws.cpp
new file mode 100644
index 0000000..b5880b3
--- /dev/null
+++ b/examples/qws/ahigl/qscreenahigl_qws.cpp
@@ -0,0 +1,963 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qscreenahigl_qws.h"
+#include "qwindowsurface_ahigl_p.h"
+
+#include <QWSServer>
+#include <QMap>
+#include <QTimer>
+#include <QTimeLine>
+
+#include <qwindowsystem_qws.h>
+#include <private/qwindowsurface_qws_p.h>
+#include <private/qfixed_p.h>
+
+#include <GLES/egl.h>
+#include <GLES/gl.h>
+#include <math.h>
+
+const int animationLength = 1500;
+const int frameSpan = 20;
+
+static GLuint createTexture(const QImage &img);
+
+class QAhiGLCursor : public QScreenCursor
+{
+public:
+    QAhiGLCursor() : texture(0) {}
+    ~QAhiGLCursor();
+
+    void set(const QImage &image, int hotx, int hoty);
+
+    GLuint texture;
+};
+
+QAhiGLCursor::~QAhiGLCursor()
+{
+    if (texture)
+        glDeleteTextures(1, &texture);
+}
+
+void QAhiGLCursor::set(const QImage &image, int hotx, int hoty)
+{
+    if (texture)
+        glDeleteTextures(1, &texture);
+
+    if (image.isNull())
+        texture = 0;
+    else
+        texture = createTexture(image.convertToFormat(QImage::Format_ARGB32));
+
+    QScreenCursor::set(image, hotx, hoty);
+}
+
+
+/*!
+  \class QAhiGLScreenPrivate
+  The QAhiGLScreenPrivate class contains state information for class QAhiGLScreen.
+
+  An instance of this class points to the owning instance of
+  class QAhiGLScreen. This class uses a QTimer to limit the
+  update frequency.
+ */
+//! [0]
+class QAhiGLScreenPrivate : public QObject
+{
+    Q_OBJECT
+
+public:
+    QAhiGLScreenPrivate(QAhiGLScreen *s);
+
+public slots:
+    void windowEvent(QWSWindow *w, QWSServer::WindowEvent e);
+    void redrawScreen();
+
+public:
+    QAhiGLScreen *screen;
+    QAhiGLCursor *cursor;
+
+    EGLContext eglContext;
+    EGLDisplay eglDisplay;
+    EGLSurface eglSurface;
+
+    QTimer updateTimer;
+    bool doEffects;
+};
+//! [0]
+
+//! [1]
+class ShowAnimation : public QTimeLine
+{
+public:
+    ShowAnimation(QAhiGLScreenPrivate *screen);
+    qreal valueForTime(int msec);
+};
+//! [1]
+
+//! [2]
+struct WindowInfo
+{
+    WindowInfo() : texture(0), animation(0) {}
+
+    GLuint texture;
+    QPointer<ShowAnimation> animation;
+};
+
+static QMap<QWSWindow*, WindowInfo*> windowMap;
+//! [2]
+
+/*!
+  Constructs the animation for the transition effect used
+  when the window associated with \a screen is displayed.
+ */
+//! [3]
+ShowAnimation::ShowAnimation(QAhiGLScreenPrivate *screen)
+    : QTimeLine(animationLength)
+{
+    setUpdateInterval(frameSpan);
+    connect(this, SIGNAL(valueChanged(qreal)), screen, SLOT(redrawScreen()));
+    connect(this, SIGNAL(finished()), this, SLOT(deleteLater()));
+    start();
+}
+//! [3]
+
+//! [4]
+qreal ShowAnimation::valueForTime(int msec)
+{
+    const qreal t = msec / qreal(duration());
+    return 3*t*t - 2*t*t*t;
+}
+//! [4]
+
+QAhiGLScreenPrivate::QAhiGLScreenPrivate(QAhiGLScreen *s)
+    : screen(s), cursor(0), doEffects(false)
+{
+    connect(&updateTimer, SIGNAL(timeout()), this, SLOT(redrawScreen()));
+}
+
+/*!
+  This slot handles the \a event when the \l {QWSServer}
+  {window server} emits a window event for the specified
+  \a window.
+
+  The \l {QWSServer::WindowEvent} {window events} handled
+  are \c Create, \c Destroy, and \c Show. The \c Create
+  event creates a new instance of \l {WindowInfo} and stores
+  it in a window map to mark the creation of a new window.
+  The \c Destroy event causes the \l {WindoInfo} instance
+  to be removed from the map and destroyed.
+
+  The \c Show event is the most interesting. If the user
+  has started the application with -display ahigl:effects,
+  then the \c Show event is handled by creating a small
+  \l {ShowAnimation} {animation} for use when the window
+  is first shown.
+ */
+//! [5]
+void QAhiGLScreenPrivate::windowEvent(QWSWindow *window,
+                                      QWSServer::WindowEvent event)
+{
+    switch (event) {
+    case QWSServer::Create:
+        windowMap[window] = new WindowInfo;
+        break;
+    case QWSServer::Show:
+        if (doEffects)
+            windowMap[window]->animation = new ShowAnimation(this);
+        break;
+    case QWSServer::Destroy:
+        delete windowMap[window];
+        windowMap.remove(window);
+        break;
+    default:
+        break;
+    }
+}
+//! [5]
+
+/*!
+  This function assumes the updateTimer is still counting down and stops it
+  and then calls redrawScreen() in the public screen driver class QAhiGLScreen.
+ */
+//! [6]
+void QAhiGLScreenPrivate::redrawScreen()
+{
+    updateTimer.stop();
+    screen->redrawScreen();
+}
+//! [6]
+
+/*!
+  \class QAhiGLScreen
+
+  \brief The QAhiGLScreen class is the screen driver for the ATI handheld device interface.
+
+  QAhiGLScreen is implemented with the d-pointer pattern. That is,
+  the only data member the class contains is a pointer called d_ptr,
+  which means data pointer. It points to an instance of a private
+  class called QAhiGLScreenPrivate, where all the screen driver's
+  context data members are defined. The d-pointer pattern is used
+  so that changes can be made to the screen driver's context data
+  members without destroying the binary compatibility of the public
+  screen driver class.
+
+  The pure virtual functions found in the base class QScreen are
+  listed below. All must have implementations in any screen driver
+  class derived from QScreen. All are impemented in this example,
+  except for setMode(), which has only been given a stub
+  implementation to satisfy the compiler.
+
+  bool connect(const QString & displaySpec);
+  void disconnect();
+  bool initDevice();
+  void setMode(int width, int height, int depth);
+
+  The stub implementation of setMode() is not meant to indicate
+  setMode() can be ignored in your own screen driver class. It was
+  simply decided not to provide a fully implemented screen driver
+  class for the example, which would normally be tailored to your
+  device's specific requirements.
+
+  The base class QGLScreen has only one pure virtual function,
+  hasOpenGL(), which must return true if your screen driver class
+  supports OpenGL.
+
+  QWSWindowSurface * createSurface(const QString & key) const
+  QWSWindowSurface * createSurface(QWidget * widget) const
+  void exposeRegion(QRegion region, int windowIndex)
+
+ */
+
+/*!
+  Constructs a new, ATI handheld device screen driver.
+
+  The displayId identifies the QWS server to connect to.
+ */
+QAhiGLScreen::QAhiGLScreen(int displayId) : QGLScreen(displayId)
+{
+    d_ptr = new QAhiGLScreenPrivate(this);
+    d_ptr->eglDisplay = EGL_NO_DISPLAY;
+    d_ptr->eglSurface = EGL_NO_SURFACE;
+}
+
+/*!
+  Destroys this ATI handheld device screen driver.
+ */
+QAhiGLScreen::~QAhiGLScreen()
+{
+    delete d_ptr;
+}
+
+/*!
+  \reimp
+ */
+//! [7]
+bool QAhiGLScreen::connect(const QString &displaySpec)
+{
+    // Hardcoded values for this device
+    w = 480;
+    h = 640;
+    dw = w;
+    dh = h;
+    d = 16;
+
+    const int dpi = 120;
+    physWidth = qRound(dw * 25.4 / dpi);
+    physHeight = qRound(dh * 25.4 / dpi);
+
+    if (displaySpec.section(':', 1, 1).contains("effects"))
+        d_ptr->doEffects = true;
+
+    return true;
+}
+//! [7]
+
+/*!
+  \reimp
+ */
+//! [8]
+bool QAhiGLScreen::initDevice()
+{
+    EGLint version, subversion;
+    EGLint attrs[] = { EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
+                       EGL_STENCIL_SIZE, 8, EGL_DEPTH_SIZE, 16,
+                       EGL_NONE };
+    EGLint numConfig;
+    EGLConfig eglConfig;
+
+    d_ptr->eglDisplay = eglGetDisplay(0);
+    if (d_ptr->eglDisplay == EGL_NO_DISPLAY) {
+        qCritical("QAhiGLScreen::initDevice(): eglGetDisplay failed: 0x%x",
+                  eglGetError());
+        return false;
+    }
+
+    if (!eglInitialize(d_ptr->eglDisplay, &version, &subversion)) {
+        qCritical("QAhiGLScreen::initDevice(): eglInitialize failed: 0x%x",
+                  eglGetError());
+        return false;
+    }
+
+    if (!eglChooseConfig(d_ptr->eglDisplay, attrs, &eglConfig, 1, &numConfig)) {
+        qCritical("QAhiGLScreen::initDevice(): eglChooseConfig failed: 0x%x",
+                  eglGetError());
+        return false;
+    }
+
+    static DummyScreen win = { w, h };
+    d_ptr->eglSurface = eglCreateWindowSurface(d_ptr->eglDisplay, eglConfig,
+                                               &win, 0);
+    if (d_ptr->eglSurface == EGL_NO_SURFACE) {
+        qCritical("QAhiGLScreen::initDevice(): eglCreateWindowSurface failed: 0x%x",
+                  eglGetError());
+        return false;
+    }
+
+    d_ptr->eglContext = eglCreateContext(d_ptr->eglDisplay, eglConfig,
+                                         EGL_NO_CONTEXT, 0);
+    if (d_ptr->eglContext == EGL_NO_CONTEXT) {
+        qCritical("QAhiGLScreen::initDevice(): eglCreateContext failed: 0x%x",
+                  eglGetError());
+        return false;
+    }
+
+    if (!eglMakeCurrent(d_ptr->eglDisplay, d_ptr->eglSurface, d_ptr->eglSurface, d_ptr->eglContext)) {
+        qCritical("QAhiGLScreen::initDevice(): eglMakeCurrent failed: 0x%x",
+                  eglGetError());
+        return false;
+    }
+
+    d_ptr->connect(QWSServer::instance(),
+                   SIGNAL(windowEvent(QWSWindow*, QWSServer::WindowEvent)),
+                   SLOT(windowEvent(QWSWindow*, QWSServer::WindowEvent)));
+
+    d_ptr->cursor = new QAhiGLCursor;
+    qt_screencursor = d_ptr->cursor;
+
+    return true;
+}
+//! [8]
+
+/*!
+  \reimp
+ */
+//! [9]
+void QAhiGLScreen::shutdownDevice()
+{
+    delete d_ptr->cursor;
+    d_ptr->cursor = 0;
+    qt_screencursor = 0;
+
+    eglMakeCurrent(EGL_NO_DISPLAY, EGL_NO_SURFACE,
+                   EGL_NO_SURFACE, EGL_NO_CONTEXT);
+    eglDestroyContext(d_ptr->eglDisplay, d_ptr->eglContext);
+    eglDestroySurface(d_ptr->eglDisplay, d_ptr->eglSurface);
+    eglTerminate(d_ptr->eglDisplay);
+}
+//! [9]
+
+/*!
+  \reimp
+
+  In this case, the reimplimentation does nothing. It is
+  required because the function is declared as pure virtual
+  in the base class QScreen.
+ */
+void QAhiGLScreen::disconnect()
+{
+}
+
+/*
+  This internal function rounds up to the next power of
+  two. If v is already a power of two, that same value is
+  returned.
+ */
+inline static uint nextPowerOfTwo(uint v)
+{
+    v--;
+    v |= v >> 1;
+    v |= v >> 2;
+    v |= v >> 4;
+    v |= v >> 8;
+    v |= v >> 16;
+    ++v;
+    return v;
+}
+
+/*
+  This internal function creates a texture from the image img
+  and returns its texture identifier.
+
+  The term "texture" is a graphics technology term that refers
+  to a pixmap constructed from an image by adding extra points
+  of contrast to the otherwise plain color image. The texture
+  has a, well, texture, that the original image doesn't have.
+ */
+static GLuint createTexture(const QImage &img)
+{
+    if (img.isNull())
+        return 0;
+
+    int width = img.width();
+    int height = img.height();
+    int textureWidth;
+    int textureHeight;
+    GLuint texture;
+
+    glGenTextures(1, &texture);
+    textureWidth = nextPowerOfTwo(width);
+    textureHeight = nextPowerOfTwo(height);
+    glBindTexture(GL_TEXTURE_2D, texture);
+    glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+    glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+    glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+    glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+
+    switch (img.format()) {
+    case QImage::Format_RGB16:
+        glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB,
+                     textureWidth,
+                     textureHeight, 0,
+                     GL_RGB, GL_UNSIGNED_SHORT_5_6_5, 0);
+
+        glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height,
+                        GL_RGB, GL_UNSIGNED_SHORT_5_6_5, img.bits());
+        break;
+
+    case QImage::Format_ARGB32_Premultiplied:
+    case QImage::Format_ARGB32:
+    case QImage::Format_RGB32:
+        glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA,
+                     textureWidth,
+                     textureHeight, 0,
+                     GL_RGBA, GL_UNSIGNED_BYTE, 0);
+        glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height,
+                        GL_RGBA, GL_UNSIGNED_BYTE, img.bits());
+        break;
+
+    default:
+        break;
+    }
+
+    return texture;
+}
+
+/*
+  A helper function used by QAhiGLScreen::drawQuad().
+ */
+static void drawQuad_helper(GLshort *coords, GLfloat *texCoords)
+{
+    glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+    glTexCoordPointer(2, GL_FLOAT, 0, texCoords);
+    glEnableClientState(GL_VERTEX_ARRAY);
+    glVertexPointer(2, GL_SHORT, 0, coords);
+    glEnable(GL_TEXTURE_2D);
+    glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
+    glDisable(GL_TEXTURE_2D);
+    glDisableClientState(GL_VERTEX_ARRAY);
+    glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+}
+
+/*
+  A helper function used by QAhiGLScreen::drawQuadWavyFlag().
+ */
+static void drawQuad_helper(GLshort *coords, GLfloat *texCoords,
+                            int arraySize, int numArrays)
+{
+    glEnable(GL_TEXTURE_2D);
+    glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+    glTexCoordPointer(2, GL_FLOAT, 0, texCoords);
+    glEnableClientState(GL_VERTEX_ARRAY);
+    glVertexPointer(2, GL_SHORT, 0, coords);
+
+    for (int i = 0; i < numArrays-1; ++i)
+        glDrawArrays(GL_TRIANGLE_STRIP, i*arraySize, arraySize);
+    glDisableClientState(GL_VERTEX_ARRAY);
+    glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+    glDisable(GL_TEXTURE_2D);
+}
+
+/*
+  A convenience function used by QAhiGLScreen::drawQuad().
+ */
+static void setRectCoords(GLshort *coords, QRect rect)
+{
+    coords[0] = GLshort(rect.left());
+    coords[1] = GLshort(rect.top());
+
+    coords[2] = GLshort(rect.right());
+    coords[3] = GLshort(rect.top());
+
+    coords[4] = GLshort(rect.right());
+    coords[5] = GLshort(rect.bottom());
+
+    coords[6] = GLshort(rect.left());
+    coords[7] = GLshort(rect.bottom());
+}
+
+/*!
+  A helper function used by QAhiGLScreen::drawWindow() and
+  QAhiGLScreen::redrawScreen().
+ */
+void QAhiGLScreen::drawQuad(const QRect &textureGeometry,
+                            const QRect &subGeometry,
+                            const QRect &screenGeometry)
+{
+    qreal textureWidth = qreal(nextPowerOfTwo(textureGeometry.width()));
+    qreal textureHeight = qreal(nextPowerOfTwo(textureGeometry.height()));
+
+    GLshort coords[8];
+    setRectCoords(coords, screenGeometry);
+
+    GLfloat texcoords[8];
+    texcoords[0] = (subGeometry.left() - textureGeometry.left()) / textureWidth;
+    texcoords[1] = (subGeometry.top() - textureGeometry.top()) / textureHeight;
+
+    texcoords[2] = (subGeometry.right() - textureGeometry.left()) / textureWidth;
+    texcoords[3] = (subGeometry.top() - textureGeometry.top()) / textureHeight;
+
+    texcoords[4] = (subGeometry.right() - textureGeometry.left()) / textureWidth;
+    texcoords[5] = (subGeometry.bottom() - textureGeometry.top()) / textureHeight;
+
+    texcoords[6] = (subGeometry.left() - textureGeometry.left()) / textureWidth;
+    texcoords[7] = (subGeometry.bottom() - textureGeometry.top()) / textureHeight;
+
+    drawQuad_helper(coords, texcoords);
+}
+
+/*
+  My own sine function.
+ */
+static qreal mySin(QFixed radians)
+{
+    const QFixed twoPI = QFixed::fromReal(2*M_PI);
+
+    const int tableSize = 40;
+    static int *table = 0;
+
+    if (!table) {
+        table = new int[tableSize];
+        for (int i = 0; i < tableSize; ++i) {
+            table[i] = qRound(sin(M_PI*(i*360.0/40.0)/180.0) * 16776960.0);
+        }
+    }
+
+    QFixed tableLookup = radians*tableSize/twoPI;
+    return table[tableLookup.truncate()%tableSize]/16776960.0;
+}
+
+/*
+  My own cosine function.
+ */
+static qreal myCos(QFixed radians)
+{
+    const int twoPI = qRound(2*M_PI);
+
+    const int tableSize = 40;
+    static int *table = 0;
+
+    if (!table) {
+        table = new int[tableSize];
+        for (int i = 0; i < tableSize; ++i) {
+            table[i] = int(cos(M_PI*(i*360.0/40.0)/180.0) * 16776960.0);
+        }
+    }
+
+    QFixed tableLookup = radians*tableSize/twoPI;
+    return table[tableLookup.truncate()%tableSize]/16776960.0;
+}
+
+// number of grid cells in wavy flag tesselation in x- and y-direction
+const int subdivisions = 10;
+
+/*
+  A helper function used by drawQuadWavyFlag(). It computes
+  coordinates for grid cells for a wavy flag tesselation and
+  stores them in the array called coords.
+ */
+static void setFlagCoords(GLshort *coords,
+			  QRectF screenGeometry,
+                          int frameNum,
+			  qreal progress)
+{
+    int coordIndex = 0;
+    qreal waveHeight = 30.0*(1.0-progress);
+    for (int j = 0; j < subdivisions-1; ++j) {
+        for (int i = 0; i < subdivisions; ++i) {
+            qreal c;
+            c = screenGeometry.left()
+                + (i * screenGeometry.width() / (subdivisions - 1))
+                + waveHeight * qRound(mySin(QFixed::fromReal(M_PI * 20 * (frameNum + i) / 180.0)))
+                + waveHeight * qRound(myCos(QFixed::fromReal(M_PI * 20 * (frameNum + j) / 180.0)));
+            coords[coordIndex++] = qRound(c);
+            c = screenGeometry.top()
+                + (j * screenGeometry.height() / (subdivisions - 1))
+                + waveHeight * mySin(QFixed::fromReal(M_PI * 20 * (frameNum + i) / 180.0))
+                + waveHeight * myCos(QFixed::fromReal(M_PI * 20 * (frameNum + j) / 180.0));
+            coords[coordIndex++] = qRound(c);
+            c = screenGeometry.left() + (i * screenGeometry.width() / (subdivisions - 1))
+                + waveHeight * mySin(QFixed::fromReal(M_PI * 20 * (frameNum + i) / 180.0))
+                + waveHeight * myCos(QFixed::fromReal(M_PI * 20 * (frameNum + (j+1)) / 180.0));
+            coords[coordIndex++] = qRound(c);
+
+            c = screenGeometry.top()
+                + ((j + 1) * screenGeometry.height() / (subdivisions - 1))
+                + waveHeight * mySin(QFixed::fromReal(M_PI * 20 * (frameNum + i) / 180.0))
+                + waveHeight * myCos(QFixed::fromReal(M_PI * 20 * (frameNum + (j + 1)) / 180.0));
+            coords[coordIndex++] = qRound(c);
+        }
+    }
+}
+
+static void setFlagTexCoords(GLfloat *texcoords,
+                             const QRectF &subTexGeometry,
+                             const QRectF &textureGeometry,
+                             int textureWidth, int textureHeight)
+{
+    qreal topLeftX = (subTexGeometry.left() - textureGeometry.left())/textureWidth;
+    qreal topLeftY = (textureGeometry.height() - (subTexGeometry.top() - textureGeometry.top()))/textureHeight;
+
+    qreal width = (subTexGeometry.right() - textureGeometry.left())/textureWidth - topLeftX;
+    qreal height = (textureGeometry.height() - (subTexGeometry.bottom() - textureGeometry.top()))/textureHeight - topLeftY;
+
+    int coordIndex = 0;
+    qreal spacing = subdivisions - 1;
+    for (int j = 0; j < subdivisions-1; ++j) {
+        for (int i = 0; i < subdivisions; ++i) {
+            texcoords[coordIndex++] = topLeftX + (i*width) / spacing;
+            texcoords[coordIndex++] = topLeftY + (j*height) / spacing;
+            texcoords[coordIndex++] = topLeftX + (i*width) / spacing;
+            texcoords[coordIndex++] = topLeftY + ((j+1)*height) / spacing;
+        }
+    }
+}
+
+void QAhiGLScreen::drawQuadWavyFlag(const QRect &textureGeometry,
+                                    const QRect &subTexGeometry,
+                                    const QRect &screenGeometry,
+                                    qreal progress)
+{
+    const int textureWidth = nextPowerOfTwo(textureGeometry.width());
+    const int textureHeight = nextPowerOfTwo(textureGeometry.height());
+
+    static int frameNum = 0;
+
+    GLshort coords[subdivisions*subdivisions*2*2];
+    setFlagCoords(coords, screenGeometry, frameNum++, progress);
+
+    GLfloat texcoords[subdivisions*subdivisions*2*2];
+    setFlagTexCoords(texcoords, subTexGeometry, textureGeometry,
+                     textureWidth, textureHeight);
+
+    drawQuad_helper(coords, texcoords, subdivisions*2, subdivisions);
+}
+
+void QAhiGLScreen::invalidateTexture(int windowIndex)
+{
+    if (windowIndex < 0)
+        return;
+
+    QList<QWSWindow*> windows = QWSServer::instance()->clientWindows();
+    if (windowIndex > windows.size() - 1)
+        return;
+
+    QWSWindow *win = windows.at(windowIndex);
+    if (!win)
+        return;
+
+    WindowInfo *info = windowMap[win];
+    if (info->texture) {
+        glDeleteTextures(1, &info->texture);
+        info->texture = 0;
+    }
+}
+
+void QAhiGLScreen::drawWindow(QWSWindow *win, qreal progress)
+{
+    const QRect screenRect = win->allocatedRegion().boundingRect();
+    QRect drawRect = screenRect;
+
+    glColor4f(1.0, 1.0, 1.0, progress);
+    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+    glEnable(GL_BLEND);
+
+    QWSWindowSurface *surface = win->windowSurface();
+    if (!surface)
+        return;
+
+    if (progress >= 1.0) {
+        if (surface->key() == QLatin1String("ahigl")) {
+            drawRect.setCoords(drawRect.left(), drawRect.bottom(),
+                               drawRect.right(), drawRect.top());
+        }
+        drawQuad(win->requestedRegion().boundingRect(), screenRect, drawRect);
+        return;
+    }
+
+    const int dx = qRound((1 - progress) * drawRect.width() / 2);
+    const int dy = qRound((1 - progress) * drawRect.height() / 2);
+
+    drawRect.adjust(dx, dy, -dx, -dy);
+
+    if (surface->key() != QLatin1String("ahigl")) {
+        drawRect.setCoords(drawRect.left(), drawRect.bottom(),
+                           drawRect.right(), drawRect.top());
+    }
+
+    drawQuadWavyFlag(win->requestedRegion().boundingRect(), screenRect,
+                     drawRect, progress);
+}
+
+/*!
+  The window compositions are constructed here.
+ */
+//! [10]
+void QAhiGLScreen::redrawScreen()
+{
+    glBindFramebufferOES(GL_FRAMEBUFFER_EXT, 0);
+    glMatrixMode(GL_PROJECTION);
+    glPushMatrix();
+    glMatrixMode(GL_MODELVIEW);
+    glPushMatrix();
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrthof(0, w, h, 0, -999999, 999999);
+    glViewport(0, 0, w, h);
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity();
+
+    // Fill background color
+
+    QColor bgColor = QWSServer::instance()->backgroundBrush().color();
+    glClearColor(bgColor.redF(), bgColor.greenF(),
+                 bgColor.blueF(), bgColor.alphaF());
+    glClear(GL_COLOR_BUFFER_BIT);
+//! [10]
+
+    // Draw all windows
+
+    glDisable(GL_CULL_FACE);
+    glDisable(GL_DEPTH_TEST);
+    glDisable(GL_STENCIL_TEST);
+    glEnable(GL_BLEND);
+    glBlendFunc(GL_ONE, GL_ZERO);
+    glDisable(GL_ALPHA_TEST);
+    glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
+
+//! [11]
+    QList<QWSWindow*> windows = QWSServer::instance()->clientWindows();
+    for (int i = windows.size() - 1; i >= 0; --i) {
+        QWSWindow *win = windows.at(i);
+        QWSWindowSurface *surface = win->windowSurface();
+        if (!surface)
+            continue;
+
+        WindowInfo *info = windowMap[win];
+
+        if (!info->texture) {
+            if (surface->key() == QLatin1String("ahigl"))
+                info->texture = static_cast<QAhiGLWindowSurface*>(surface)->textureId();
+            else
+                info->texture = createTexture(surface->image());
+        }
+        qreal progress;
+        if (info->animation)
+            progress = info->animation->currentValue();
+        else
+            progress = 1.0;
+
+        glBindTexture(GL_TEXTURE_2D, info->texture);
+        drawWindow(win, progress);
+    } // for i
+//! [11] //! [12]
+
+    // Draw cursor
+
+    const QAhiGLCursor *cursor = d_ptr->cursor;
+    if (cursor->texture) {
+        glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+        glBindTexture(GL_TEXTURE_2D, d_ptr->cursor->texture);
+        drawQuad(cursor->boundingRect(), cursor->boundingRect(),
+                 cursor->boundingRect());
+    }
+
+    glPopMatrix();
+    glMatrixMode(GL_PROJECTION);
+    glPopMatrix();
+    glMatrixMode(GL_MODELVIEW);
+
+    eglSwapBuffers(d_ptr->eglDisplay, d_ptr->eglSurface);
+}
+//! [12]
+
+/*!
+  \reimp
+
+ */
+//! [13]
+void QAhiGLScreen::exposeRegion(QRegion r, int windowIndex)
+{
+    if ((r & region()).isEmpty())
+        return;
+
+    invalidateTexture(windowIndex);
+
+    if (!d_ptr->updateTimer.isActive())
+        d_ptr->updateTimer.start(frameSpan);
+}
+//! [13]
+
+/*!
+  \reimp
+
+  This overloading of createSurface() is called on the client side to
+  create a window surface for a new window. If the \a widget is a
+  QGLWidget, or if the widget's width and height are both less than or
+  equal to 256, it creates an instance of QAhiGLWindowSurface.
+  Otherwise, it calls QScreen::createSurface() to create a non-OpenGL
+  window surface. The pointer to the new window surface is returned.
+
+  Note that this function first asks whether this application is the
+  server, and it only creates an instance of QAhiGLWindowSurface if
+  the answer is yes. What this means is we only let the server have
+  access to the OpenGL hardware, because of an implementation
+  restyriction in the OpenGL libraries we are using. Thus only clients
+  that are in the server process get to create OpenGL window surfaces.
+ */
+//! [14]
+QWSWindowSurface* QAhiGLScreen::createSurface(QWidget *widget) const
+{
+    if (QApplication::type() == QApplication::GuiServer) {
+        if (qobject_cast<QGLWidget*>(widget)) {
+            return new QAhiGLWindowSurface(widget,
+					   d_ptr->eglDisplay,
+                                           d_ptr->eglSurface,
+                                           d_ptr->eglContext);
+        }
+
+        const QRect rect = widget->frameGeometry();
+        if (rect.width() <= 256 && rect.height() <= 256) {
+            return new QAhiGLWindowSurface(widget,
+					   d_ptr->eglDisplay,
+                                           d_ptr->eglSurface,
+                                           d_ptr->eglContext);
+        }
+    }
+
+    return QScreen::createSurface(widget);
+}
+//! [14]
+
+/*!
+  \reimp
+
+  This overloading of createSurface() is called on the server side
+  to manage a window surface corresponding to a window surface
+  already created on the client side.
+
+  If the \a key is "ahigl", create an instance of QAhiGLWindowSurface
+  and return it. Otherwise, call QScreen::createSurface() and return
+  the window surface it creates.
+
+  See QScreen::createSurface().
+ */
+//! [15]
+QWSWindowSurface* QAhiGLScreen::createSurface(const QString &key) const
+{
+    if (key == QLatin1String("ahigl")) {
+        return new QAhiGLWindowSurface(d_ptr->eglDisplay,
+				       d_ptr->eglSurface,
+                                       d_ptr->eglContext);
+    }
+
+    return QScreen::createSurface(key);
+}
+//! [15]
+
+/*!
+  This function would normally reset the frame buffer resolution
+  according to \a width, \a height, and the bit \a depth. It would
+  then notify other applications that their frame buffer size had
+  changed so they could redraw. The function is a no-op in this
+  example, which means the example screen driver can't change its
+  frame buffer resolution. There is no significance to that in the
+  example. You would normally implement setMode() in an OpenGL
+  screen driver. This no-op reimplementation is required here
+  because setMode() in QScreen is a pure virtual function.
+
+  See QScreen::setMode()
+ */
+void QAhiGLScreen::setMode(int width, int height, int depth)
+{
+    Q_UNUSED(width);
+    Q_UNUSED(height);
+    Q_UNUSED(depth);
+}
+
+/*!
+  This function would normally be reimplemented to prevent the
+  screen driver from updating the screen if \a on is true. It is a
+  no-op in this example, which means the screen driver can always
+  update the screen.
+
+  See QScreen::blank().
+ */
+void QAhiGLScreen::blank(bool on)
+{
+    Q_UNUSED(on);
+}
+
+/*!
+  This function always returns true, since the purpose of
+  this screen driver class is to implement an OpenGL ES
+  screen driver. In some other class designed to handle both
+  OpenGL and non-OpenGL graphics, it might test the system to
+  determine whether OpenGL graphics are supported and return
+  true or false accordingly.
+ */
+bool QAhiGLScreen::hasOpenGL()
+{
+    return true;
+}
+
+#include "qscreenahigl_qws.moc"
diff --git a/examples/qws/ahigl/qscreenahigl_qws.h b/examples/qws/ahigl/qscreenahigl_qws.h
new file mode 100644
index 0000000..332d5c3
--- /dev/null
+++ b/examples/qws/ahigl/qscreenahigl_qws.h
@@ -0,0 +1,91 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QAHIGLSCREEN_H
+#define QAHIGLSCREEN_H
+
+#include <QGLScreen>
+#include <QWSServer>
+
+QT_BEGIN_NAMESPACE
+class QAhiGLScreenPrivate;
+QT_END_NAMESPACE
+
+//! [0]
+class QAhiGLScreen : public QGLScreen
+{
+public:
+    QAhiGLScreen(int displayId);
+    virtual ~QAhiGLScreen();
+
+    bool initDevice();
+    bool connect(const QString &displaySpec);
+    void disconnect();
+    void shutdownDevice();
+
+    void setMode(int width, int height, int depth);
+    void blank(bool on);
+
+    void exposeRegion(QRegion r, int changing);
+
+    QWSWindowSurface* createSurface(QWidget *widget) const;
+    QWSWindowSurface* createSurface(const QString &key) const;
+
+    bool hasOpenGL();
+
+private:
+    void invalidateTexture(int windowIndex);
+    void redrawScreen();
+    void drawWindow(QWSWindow *win, qreal progress);
+    void drawQuad(const QRect &textureGeometry,
+                  const QRect &subGeometry,
+                  const QRect &screenGeometry);
+    void drawQuadWavyFlag(const QRect &textureGeometry,
+                          const QRect &subTexGeometry,
+                          const QRect &screenGeometry,
+                          float progress);
+
+    QAhiGLScreenPrivate *d_ptr;
+    friend class QAhiGLScreenPrivate;
+};
+//! [0]
+
+#endif // QAHIGLSCREEN_H
diff --git a/examples/qws/ahigl/qscreenahiglplugin.cpp b/examples/qws/ahigl/qscreenahiglplugin.cpp
new file mode 100644
index 0000000..828de82
--- /dev/null
+++ b/examples/qws/ahigl/qscreenahiglplugin.cpp
@@ -0,0 +1,97 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qscreenahigl_qws.h"
+
+#include <QScreenDriverPlugin>
+#include <QStringList>
+
+//! [0]
+class QAhiGLScreenPlugin : public QScreenDriverPlugin
+{
+public:
+    QAhiGLScreenPlugin();
+
+    QStringList keys() const;
+    QScreen *create(const QString&, int displayId);
+};
+//! [0]
+
+/*!
+  \class QAhiGLScreenPlugin
+  \brief The QAhiGLScreenPlugin class is the plugin for the ATI handheld device graphics driver.
+
+  QAhiGLScreenPlugin inherits QScreenDriverPlugin. See
+  \l{How to Create Qt Plugins} for details.
+ */
+
+/*!
+  This is the default constructor.
+ */
+QAhiGLScreenPlugin::QAhiGLScreenPlugin()
+    : QScreenDriverPlugin()
+{
+}
+
+/*!
+  Returns a string list containing the string "ahigl" which
+  is the only screen driver supported by this plugin.
+ */
+QStringList QAhiGLScreenPlugin::keys() const
+{
+    return (QStringList() << "ahigl");
+}
+
+/*!
+  Creates a screen driver of the kind specified by \a driver.
+  The \a displayId identifies the Qt for Embedded Linux server to connect to.
+ */
+QScreen* QAhiGLScreenPlugin::create(const QString& driver, int displayId)
+{
+    if (driver.toLower() != "ahigl")
+        return 0;
+
+    return new QAhiGLScreen(displayId);
+}
+
+//! [1]
+Q_EXPORT_PLUGIN2(qahiglscreen, QAhiGLScreenPlugin)
+//! [1]
diff --git a/examples/qws/ahigl/qwindowsurface_ahigl.cpp b/examples/qws/ahigl/qwindowsurface_ahigl.cpp
new file mode 100644
index 0000000..79924f9
--- /dev/null
+++ b/examples/qws/ahigl/qwindowsurface_ahigl.cpp
@@ -0,0 +1,349 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qwindowsurface_ahigl_p.h"
+#include "qscreenahigl_qws.h"
+
+#include <qwsdisplay_qws.h>
+#include <QtGui/QPaintDevice>
+#include <QtGui/QWidget>
+#include <QtOpenGL/private/qglpaintdevice_qws_p.h>
+#include <QtOpenGL/private/qgl_p.h>
+#include <GLES/gl.h>
+
+/*!
+  \class QAhiGLWindowSurfacePrivate
+  \internal
+
+  \brief The QAhiGLWindowSurfacePrivate class is the private implementation
+  class for class QAhiGLWindowSurface.
+
+  This class contains only state variables.
+  */
+//! [0]
+class QAhiGLWindowSurfacePrivate
+{
+public:
+    QAhiGLWindowSurfacePrivate(EGLDisplay eglDisplay,
+			       EGLSurface eglSurface,
+                               EGLContext eglContext);
+
+    QPaintDevice *device;
+
+    int textureWidth;
+    int textureHeight;
+
+    GLuint texture;
+    GLuint frameBufferObject;
+    GLuint depthbuf;
+
+    EGLDisplay display;
+    EGLSurface surface;
+    EGLContext context;
+};
+//! [0]
+
+/*!
+  The construct just sets statwe variables using the ones
+  provided.
+ */
+QAhiGLWindowSurfacePrivate::QAhiGLWindowSurfacePrivate(EGLDisplay eglDisplay,
+                                                       EGLSurface eglSurface,
+                                                       EGLContext eglContext)
+    : texture(0), frameBufferObject(0), depthbuf(0), display(eglDisplay),
+      surface(eglSurface), context(eglContext)
+{
+}
+
+inline static int nextPowerOfTwo(uint v)
+{
+    v--;
+    v |= v >> 1;
+    v |= v >> 2;
+    v |= v >> 4;
+    v |= v >> 8;
+    v |= v >> 16;
+    ++v;
+    return v;
+}
+
+/*!
+    \class QAhiGLWindowSurface
+    \preliminary
+    \internal
+
+    \brief The QAhiGLWindowSurface class provides the drawing area
+    for top-level windows using OpenGL for drawing on an ATI handheld
+    device.
+
+    In \l{Qt for Embedded Linux}, the default behavior for each client is to
+    render widgets into an area of memory. The server then displays
+    the contents of that memory on the screen. For ATI handheld
+    devices using OpenGL, QAhiGLWindowSurface is the window surface
+    class that allocates and manages the memory areas in the clients
+    and the server.
+
+    When a screen update is required, the server runs through all the
+    top-level windows that intersect with the region being updated,
+    ensuring that the clients have updated their window surfaces. Then
+    the server uses the screen driver to copy the contents of the
+    affected window surfaces into its composition and then display the
+    composition on the screen.
+
+    \tableofcontents
+
+    \section1 Pure Virtual Functions
+
+    There are two window surface instances for each top-level window.
+    One is used by the application when drawing a window, and the
+    other is used by the server application to make its copy for
+    building a window composition to send to the screen.
+
+    The key() function is implemented to uniquely identify this window
+    surface class as "ahigl", and the isValid() function is
+    implemented to determine whether the associated window is still
+    acceptable for representation by this window surface class.  It
+    must either be a window using an \l {QGLWidget} {OpenGL widget},
+    or it must be a window whose frame is no bigger than 256 x 256.
+
+    The setGeometry() function is implemented to change the geometry
+    of the frame buffer whenever the geometry of the associated
+    top-level window changes. The image() function is called by the
+    window system when building window compositions to return an image
+    of the top-level window.
+
+    The paintDevice() function is implemented to return the appropriate
+    paint device.
+
+    \section1 Virtual Functions
+
+    When painting onto the surface, the window system will always call
+    the beginPaint() function before any painting operations are
+    performed. It ensures that the correct frame buffer will be used
+    by the OpenGL library for painting operations. Likewise, the
+    endPaint() function is automatically called when the painting is
+    done, but it isn't implemented for this example.
+*/
+
+/*!
+  This is the client side constructor.
+ */
+//! [1]
+QAhiGLWindowSurface::QAhiGLWindowSurface(QWidget *widget,
+                                         EGLDisplay eglDisplay,
+                                         EGLSurface eglSurface,
+                                         EGLContext eglContext)
+    : QWSGLWindowSurface(widget)
+{
+    d_ptr = new QAhiGLWindowSurfacePrivate(eglDisplay, eglSurface, eglContext);
+    d_ptr->device = new QWSGLPaintDevice(widget);
+
+    setSurfaceFlags(QWSWindowSurface::Buffered);
+}
+//! [1]
+
+/*!
+  This is the server side constructor.
+ */
+//! [2]
+QAhiGLWindowSurface::QAhiGLWindowSurface(EGLDisplay eglDisplay,
+                                         EGLSurface eglSurface,
+                                         EGLContext eglContext)
+{
+    d_ptr = new QAhiGLWindowSurfacePrivate(eglDisplay, eglSurface, eglContext);
+    setSurfaceFlags(QWSWindowSurface::Buffered);
+}
+//! [2]
+
+/*!
+  The destructor deletes the OpenGL structures held by the
+  private implementation class, and then it deletes the
+  private implementation class.
+ */
+QAhiGLWindowSurface::~QAhiGLWindowSurface()
+{
+    if (d_ptr->texture)
+        glDeleteTextures(1, &d_ptr->texture);
+    if (d_ptr->depthbuf)
+        glDeleteRenderbuffersOES(1, &d_ptr->depthbuf);
+    if (d_ptr->frameBufferObject)
+        glDeleteFramebuffersOES(1, &d_ptr->frameBufferObject);
+
+    delete d_ptr;
+}
+
+/*!
+  This function changes the geometry of the frame buffer
+  to the geometry in \a rect. It is called whenever the
+  geometry of the associated top-level window changes. It
+  also rebuilds the window surface's texture and binds
+  the OpenGL identifier to the texture for use by the
+  OpenGL library.
+ */
+//! [3]
+void QAhiGLWindowSurface::setGeometry(const QRect &rect)
+{
+    QSize size = rect.size();
+
+    const QWidget *w = window();
+    if (w && !w->mask().isEmpty()) {
+        const QRegion region = w->mask()
+                               & rect.translated(-w->geometry().topLeft());
+        size = region.boundingRect().size();
+    }
+
+    if (geometry().size() != size) {
+
+        // Driver specific limitations:
+        //   FBO maximimum size of 256x256
+        //   Depth buffer required
+
+        d_ptr->textureWidth = qMin(256, nextPowerOfTwo(size.width()));
+        d_ptr->textureHeight = qMin(256, nextPowerOfTwo(size.height()));
+
+        glGenTextures(1, &d_ptr->texture);
+        glBindTexture(GL_TEXTURE_2D, d_ptr->texture);
+
+        glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+        glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+        glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+        glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+
+        const int bufSize = d_ptr->textureWidth * d_ptr->textureHeight * 2;
+        GLshort buf[bufSize];
+        memset(buf, 0, sizeof(GLshort) * bufSize);
+
+        glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, d_ptr->textureWidth,
+                     d_ptr->textureHeight, 0,
+                     GL_RGBA, GL_UNSIGNED_BYTE, buf);
+
+        glGenRenderbuffersOES(1, &d_ptr->depthbuf);
+        glBindRenderbufferOES(GL_RENDERBUFFER_EXT, d_ptr->depthbuf);
+        glRenderbufferStorageOES(GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT16,
+                                 d_ptr->textureWidth, d_ptr->textureHeight);
+
+        glGenFramebuffersOES(1, &d_ptr->frameBufferObject);
+        glBindFramebufferOES(GL_FRAMEBUFFER_EXT, d_ptr->frameBufferObject);
+
+        glFramebufferTexture2DOES(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
+                                  GL_TEXTURE_2D, d_ptr->texture, 0);
+        glFramebufferRenderbufferOES(GL_FRAMEBUFFER_EXT,
+                                     GL_DEPTH_ATTACHMENT_EXT,
+                                     GL_RENDERBUFFER_EXT, d_ptr->depthbuf);
+        glBindFramebufferOES(GL_FRAMEBUFFER_EXT, 0);
+    }
+
+    QWSGLWindowSurface::setGeometry(rect);
+}
+//! [3]
+
+/*!
+  Returns the window  surface's texture as a QByteArray.
+ */
+QByteArray QAhiGLWindowSurface::permanentState() const
+{
+    QByteArray array;
+    array.resize(sizeof(GLuint));
+
+    char *ptr = array.data();
+    reinterpret_cast<GLuint*>(ptr)[0] = textureId();
+    return array;
+}
+
+/*!
+  Sets the window surface's texture to \a data.
+ */
+void QAhiGLWindowSurface::setPermanentState(const QByteArray &data)
+{
+    const char *ptr = data.constData();
+    d_ptr->texture = reinterpret_cast<const GLuint*>(ptr)[0];
+}
+
+/*!
+  Returns the paint device being used for this window surface.
+ */
+QPaintDevice *QAhiGLWindowSurface::paintDevice()
+{
+    return d_ptr->device;
+}
+
+/*!
+  Returns the window surface's texture.
+ */
+GLuint QAhiGLWindowSurface::textureId() const
+{
+    return d_ptr->texture;
+}
+
+/*!
+  The \l {QWSServer} {window system} always calls this function
+  before any painting operations begin for this window surface.
+  It ensures that the correct frame buffer will be used by the
+  OpenGL library for painting operations.
+ */
+//! [4]
+void QAhiGLWindowSurface::beginPaint(const QRegion &region)
+{
+    QWSGLWindowSurface::beginPaint(region);
+
+    if (d_ptr->frameBufferObject)
+        glBindFramebufferOES(GL_FRAMEBUFFER_EXT, d_ptr->frameBufferObject);
+}
+//! [4]
+
+/*!
+  This function returns true if the window associated with
+  this window surface can still rendered using this window
+  surface class. Either the window's top-level widget must
+  be an \l {QGLWidget} {OpenGL widget}, or the window's
+  frame must be no bigger than 256 x 256.
+ */
+//! [5]
+bool QAhiGLWindowSurface::isValid() const
+{
+    if (!qobject_cast<QGLWidget*>(window())) {
+        const QRect r = window()->frameGeometry();
+        if (r.width() > 256 || r.height() > 256)
+            return false;
+    }
+    return true;
+}
+//! [5]
diff --git a/examples/qws/ahigl/qwindowsurface_ahigl_p.h b/examples/qws/ahigl/qwindowsurface_ahigl_p.h
new file mode 100644
index 0000000..40a82ed
--- /dev/null
+++ b/examples/qws/ahigl/qwindowsurface_ahigl_p.h
@@ -0,0 +1,92 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QWINDOWSURFACE_AHIGL_P_H
+#define QWINDOWSURFACE_AHIGL_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of the QAhiGLWindowSurface class.  This header file may change from
+// version to version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtOpenGL/private/qglwindowsurface_qws_p.h>
+#include <GLES/gl.h>
+#include <GLES/egl.h>
+
+QT_BEGIN_NAMESPACE
+class QAhiGLWindowSurfacePrivate;
+QT_END_NAMESPACE
+
+//! [0]
+class QAhiGLWindowSurface : public QWSGLWindowSurface
+{
+public:
+    QAhiGLWindowSurface(QWidget *widget, EGLDisplay eglDisplay,
+                        EGLSurface eglSurface, EGLContext eglContext);
+    QAhiGLWindowSurface(EGLDisplay eglDisplay, EGLSurface eglSurface,
+                        EGLContext eglContext);
+    ~QAhiGLWindowSurface();
+
+    QString key() const { return QLatin1String("ahigl"); }
+    void setGeometry(const QRect &rect);
+    QPaintDevice *paintDevice();
+    void beginPaint(const QRegion &region);
+    bool isValid() const;
+
+    QByteArray permanentState() const;
+    void setPermanentState(const QByteArray &);
+
+    QImage image() const { return QImage(); }
+
+    GLuint textureId() const;
+
+private:
+    QAhiGLWindowSurfacePrivate *d_ptr;
+};
+//! [0]
+
+#endif // QWINDOWSURFACE_AHIGL_P_H
diff --git a/examples/qws/dbscreen/dbscreen.cpp b/examples/qws/dbscreen/dbscreen.cpp
new file mode 100644
index 0000000..bd26848
--- /dev/null
+++ b/examples/qws/dbscreen/dbscreen.cpp
@@ -0,0 +1,99 @@
+ /****************************************************************************
+ **
+ ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+ **
+ ** This file is part of the examples of the Qt Toolkit.
+ **
+ ** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+ **
+ ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ **
+ ****************************************************************************/
+
+#include "dbscreen.h"
+#include <QApplication>
+
+//! [0]
+bool DBScreen::initDevice()
+{
+    if (!QLinuxFbScreen::initDevice())
+        return false;
+
+    QScreenCursor::initSoftwareCursor();
+    image = new QImage(deviceWidth(), deviceHeight(), pixelFormat());
+    painter = new QPainter(image);
+
+    return true;
+}
+//! [0]
+
+//! [1]
+void DBScreen::shutdownDevice()
+{
+    QLinuxFbScreen::shutdownDevice();
+    delete painter;
+    delete image;
+}
+//! [1]
+
+//! [2]
+void DBScreen::solidFill(const QColor &color, const QRegion &region)
+{
+    QVector<QRect> rects = region.rects();
+    for (int i = 0; i  < rects.size(); i++)
+        painter->fillRect(rects.at(i), color);
+}
+//! [2]
+
+//! [3]
+void DBScreen::blit(const QImage &image, const QPoint &topLeft, const QRegion &region)
+{
+    QVector<QRect> rects = region.rects();
+    for (int i = 0; i < rects.size(); i++) {
+        QRect destRect = rects.at(i);
+        QRect srcRect(destRect.x()-topLeft.x(), destRect.y()-topLeft.y(), destRect.width(), destRect.height());
+        painter->drawImage(destRect.topLeft(), image, srcRect);
+    }
+}
+//! [3]
+
+//! [4]
+void DBScreen::exposeRegion(QRegion region, int changing)
+{
+    QLinuxFbScreen::exposeRegion(region, changing);
+    QLinuxFbScreen::blit(*image, QPoint(0, 0), region);
+}
+//! [4]
+
diff --git a/examples/qws/dbscreen/dbscreen.h b/examples/qws/dbscreen/dbscreen.h
new file mode 100644
index 0000000..00221e9
--- /dev/null
+++ b/examples/qws/dbscreen/dbscreen.h
@@ -0,0 +1,70 @@
+ /****************************************************************************
+ **
+ ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+ **
+ ** This file is part of the examples of the Qt Toolkit.
+ **
+ ** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+ **
+ ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ **
+ ****************************************************************************/
+
+#ifndef DBSCREEN_H
+#define DBSCREEN_H
+
+#include <QLinuxFbScreen>
+#include <QPainter>
+
+//! [0]
+class DBScreen : public QLinuxFbScreen
+{
+public:
+    DBScreen(int displayId) : QLinuxFbScreen(displayId) {};
+    ~DBScreen() {}
+    bool initDevice();
+    void shutdownDevice();
+    void blit(const QImage &image, const QPoint &topLeft, const QRegion &region);
+    void solidFill(const QColor &color, const QRegion &region);
+    void exposeRegion(QRegion region, int changing);
+
+private:
+    QPainter *painter;
+    QImage *image;
+};
+//! [0]
+
+#endif // DBSCREEN_H
+
diff --git a/examples/qws/dbscreen/dbscreen.pro b/examples/qws/dbscreen/dbscreen.pro
new file mode 100644
index 0000000..172a02a
--- /dev/null
+++ b/examples/qws/dbscreen/dbscreen.pro
@@ -0,0 +1,11 @@
+TEMPLATE    = lib
+CONFIG     += plugin
+
+TARGET      = dbscreen
+target.path += $$[QT_INSTALL_PLUGINS]/gfxdrivers
+INSTALLS    += target
+
+HEADERS     = dbscreen.h 
+SOURCES     = dbscreendriverplugin.cpp \
+              dbscreen.cpp 
+
diff --git a/examples/qws/dbscreen/dbscreendriverplugin.cpp b/examples/qws/dbscreen/dbscreendriverplugin.cpp
new file mode 100644
index 0000000..36587a1
--- /dev/null
+++ b/examples/qws/dbscreen/dbscreendriverplugin.cpp
@@ -0,0 +1,80 @@
+ /****************************************************************************
+ **
+ ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+ **
+ ** This file is part of the examples of the Qt Toolkit.
+ **
+ ** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+ **
+ ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ **
+ ****************************************************************************/
+ 
+#include <QScreenDriverPlugin>
+#include "dbscreen.h"
+
+//! [0]
+class DBScreenDriverPlugin : public QScreenDriverPlugin
+{
+public:
+    DBScreenDriverPlugin();
+    QScreen* create(const QString& key, int displayId);
+    QStringList keys () const;
+};
+//! [0]
+
+DBScreenDriverPlugin::DBScreenDriverPlugin() : QScreenDriverPlugin()
+{
+}
+
+//! [1]
+QScreen* DBScreenDriverPlugin::create(const QString& key, int displayId)
+{
+    if (key.toLower() != "dbscreen")
+        return 0;
+
+    return new DBScreen(displayId);
+}
+//! [1]
+
+//! [2]
+QStringList DBScreenDriverPlugin::keys() const
+{
+    return QStringList() << "dbscreen";
+}
+//! [2] //! [3]
+
+Q_EXPORT_PLUGIN2(dbscreen, DBScreenDriverPlugin)
+//! [3]
diff --git a/examples/qws/framebuffer/framebuffer.pro b/examples/qws/framebuffer/framebuffer.pro
new file mode 100644
index 0000000..f9fe850
--- /dev/null
+++ b/examples/qws/framebuffer/framebuffer.pro
@@ -0,0 +1,11 @@
+TEMPLATE = app
+TARGET = framebuffer
+CONFIG -= qt
+
+SOURCES += main.c
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/qws/framebuffer
+sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS framebuffer.pro
+sources.path = $$[QT_INSTALL_EXAMPLES]/qws/framebuffer
+INSTALLS += target sources
diff --git a/examples/qws/framebuffer/main.c b/examples/qws/framebuffer/main.c
new file mode 100644
index 0000000..2c2cf31
--- /dev/null
+++ b/examples/qws/framebuffer/main.c
@@ -0,0 +1,586 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <linux/fb.h>
+#include <linux/kd.h>
+#include <sys/mman.h>
+#include <sys/ioctl.h>
+#include <sys/time.h>
+#include <string.h>
+#include <errno.h>
+
+struct fb_var_screeninfo vinfo;
+struct fb_fix_screeninfo finfo;
+char *frameBuffer = 0;
+int fbFd = 0;
+int ttyFd = 0;
+
+void printFixedInfo()
+{
+    printf("Fixed screen info:\n"
+	   "\tid:          %s\n"
+	   "\tsmem_start:  0x%lx\n"
+	   "\tsmem_len:    %d\n"
+	   "\ttype:        %d\n"
+	   "\ttype_aux:    %d\n"
+	   "\tvisual:      %d\n"
+	   "\txpanstep:    %d\n"
+	   "\typanstep:    %d\n"
+	   "\tywrapstep:   %d\n"
+	   "\tline_length: %d\n"
+	   "\tmmio_start:  0x%lx\n"
+	   "\tmmio_len:    %d\n"
+	   "\taccel:       %d\n"
+	   "\n",
+	   finfo.id, finfo.smem_start, finfo.smem_len, finfo.type,
+	   finfo.type_aux, finfo.visual, finfo.xpanstep, finfo.ypanstep,
+	   finfo.ywrapstep, finfo.line_length, finfo.mmio_start,
+	   finfo.mmio_len, finfo.accel);
+}
+
+void printVariableInfo()
+{
+    printf("Variable screen info:\n"
+	   "\txres:           %d\n"
+	   "\tyres:           %d\n"
+	   "\txres_virtual:   %d\n"
+	   "\tyres_virtual:   %d\n"
+	   "\tyoffset:        %d\n"
+	   "\txoffset:        %d\n"
+	   "\tbits_per_pixel: %d\n"
+	   "\tgrayscale: %d\n"
+	   "\tred:    offset: %2d, length: %2d, msb_right: %2d\n"
+	   "\tgreen:  offset: %2d, length: %2d, msb_right: %2d\n"
+	   "\tblue:   offset: %2d, length: %2d, msb_right: %2d\n"
+	   "\ttransp: offset: %2d, length: %2d, msb_right: %2d\n"
+	   "\tnonstd:       %d\n"
+	   "\tactivate:     %d\n"
+	   "\theight:       %d\n"
+	   "\twidth:        %d\n"
+	   "\taccel_flags:  0x%x\n"
+	   "\tpixclock:     %d\n"
+	   "\tleft_margin:  %d\n"
+	   "\tright_margin: %d\n"
+	   "\tupper_margin: %d\n"
+	   "\tlower_margin: %d\n"
+	   "\thsync_len:    %d\n"
+	   "\tvsync_len:    %d\n"
+	   "\tsync:         %d\n"
+	   "\tvmode:        %d\n"
+	   "\n",
+	   vinfo.xres, vinfo.yres, vinfo.xres_virtual, vinfo.yres_virtual,
+	   vinfo.xoffset, vinfo.yoffset, vinfo.bits_per_pixel, vinfo.grayscale,
+	   vinfo.red.offset, vinfo.red.length, vinfo.red.msb_right,
+	   vinfo.green.offset, vinfo.green.length, vinfo.green.msb_right,
+	   vinfo.blue.offset, vinfo.blue.length, vinfo.blue.msb_right,
+	   vinfo.transp.offset, vinfo.transp.length, vinfo.transp.msb_right,
+	   vinfo.nonstd, vinfo.activate, vinfo.height, vinfo.width,
+	   vinfo.accel_flags, vinfo.pixclock, vinfo.left_margin,
+	   vinfo.right_margin, vinfo.upper_margin, vinfo.lower_margin,
+	   vinfo.hsync_len, vinfo.vsync_len, vinfo.sync, vinfo.vmode);
+}
+
+long switchToGraphicsMode()
+{
+    const char *const devs[] = {"/dev/tty0", "/dev/tty", "/dev/console", 0};
+    const char * const *dev;
+    long oldMode = KD_TEXT;
+
+    for (dev = devs; *dev; ++dev) {
+        ttyFd = open(*dev, O_RDWR);
+        if (ttyFd != -1)
+            break;
+        printf("Opening tty device %s failed: %s\n", *dev, strerror(errno));
+    }
+
+    ioctl(ttyFd, KDGETMODE, &oldMode);
+    if (oldMode == KD_GRAPHICS) {
+        printf("Was in graphics mode already. Skipping\n");
+        return oldMode;
+    }
+    int ret = ioctl(ttyFd, KDSETMODE, KD_GRAPHICS);
+    if (ret == -1) {
+        printf("Switch to graphics mode failed: %s\n", strerror(errno));
+	return oldMode;
+    }
+
+    printf("Successfully switched to graphics mode.\n\n");
+
+    return oldMode;
+}
+
+void restoreTextMode(long oldMode)
+{
+    if (ttyFd == -1)
+        return;
+
+    ioctl(ttyFd, KDSETMODE, oldMode);
+    close(ttyFd);
+}
+
+struct fb_cmap oldPalette;
+struct fb_cmap palette;
+int paletteSize = 0;
+
+void initPalette_16()
+{
+    if (finfo.type == FB_TYPE_PACKED_PIXELS) {
+	// We'll setup a grayscale map for 4bpp linear
+	int val = 0;
+        int i;
+	for (i = 0; i < 16; ++i) {
+	    palette.red[i] = (val << 8) | val;
+	    palette.green[i] = (val << 8) | val;
+	    palette.blue[i] = (val << 8) | val;
+            val += 17;
+	}
+	return;
+    }
+
+    // Default 16 colour palette
+    unsigned char reds[16]   = { 0x00, 0x7F, 0xBF, 0xFF, 0xFF, 0xA2,
+				 0x00, 0xFF, 0xFF, 0x00, 0x7F, 0x7F,
+				 0x00, 0x00, 0x00, 0x82 };
+    unsigned char greens[16] = { 0x00, 0x7F, 0xBF, 0xFF, 0x00, 0xC5,
+				 0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00,
+				 0x00, 0x7F, 0x7F, 0x7F };
+    unsigned char blues[16]  = { 0x00, 0x7F, 0xBF, 0xFF, 0x00, 0x11,
+				 0xFF, 0x00, 0xFF, 0xFF, 0x00, 0x7F,
+				 0x7F, 0x7F, 0x00, 0x00 };
+
+    int i;
+    for (i = 0; i < 16; ++i) {
+	palette.red[i] = ((reds[i]) << 8) | reds[i];
+	palette.green[i] = ((greens[i]) << 8) | greens[i];
+	palette.blue[i] = ((blues[i]) << 8) | blues[i];
+	palette.transp[i] = 0;
+    }
+}
+
+void initPalette_256()
+{
+    if (vinfo.grayscale) {
+        int i;
+	for (i = 0; i < 256; ++i) {
+	    unsigned short c = (i << 8) | i;
+	    palette.red[i] = c;
+	    palette.green[i] = c;
+	    palette.blue[i] = c;
+	    palette.transp[i] = 0;
+	}
+	return;
+    }
+
+    // 6x6x6 216 color cube
+    int i = 0;
+    int ir, ig, ib;
+    for (ir = 0x0; ir <= 0xff; ir += 0x33) {
+	for (ig = 0x0; ig <= 0xff; ig += 0x33) {
+	    for (ib = 0x0; ib <= 0xff; ib += 0x33) {
+		palette.red[i] = (ir << 8)|ir;
+		palette.green[i] = (ig << 8)|ig;
+		palette.blue[i] = (ib << 8)|ib;
+		palette.transp[i] = 0;
+		++i;
+	    }
+	}
+    }
+}
+
+void initPalette()
+{
+    switch (vinfo.bits_per_pixel) {
+    case 8: paletteSize = 256; break;
+    case 4: paletteSize = 16; break;
+    default: break;
+    }
+
+    if (!paletteSize)
+	return; /* not using a palette */
+
+    /* read old palette */
+    oldPalette.start = 0;
+    oldPalette.len = paletteSize;
+    oldPalette.red = (unsigned short*)malloc(sizeof(unsigned short)*paletteSize);
+    oldPalette.green = (unsigned short*)malloc(sizeof(unsigned short)*paletteSize);
+    oldPalette.blue=(unsigned short*)malloc(sizeof(unsigned short)*paletteSize);
+    oldPalette.transp=(unsigned short*)malloc(sizeof(unsigned short)*paletteSize);
+    if (ioctl(ttyFd, FBIOGETCMAP, &oldPalette) == -1)
+	perror("initPalette: error reading palette");
+
+    /* create new palette */
+    palette.start = 0;
+    palette.len = paletteSize;
+    palette.red = (unsigned short*)malloc(sizeof(unsigned short)*paletteSize);
+    palette.green = (unsigned short*)malloc(sizeof(unsigned short)*paletteSize);
+    palette.blue = (unsigned short*)malloc(sizeof(unsigned short)*paletteSize);
+    palette.transp = (unsigned short*)malloc(sizeof(unsigned short)*paletteSize);
+    switch (paletteSize) {
+    case 16: initPalette_16(); break;
+    case 256: initPalette_256(); break;
+    default: break;
+    }
+
+    /* set new palette */
+    if (ioctl(ttyFd, FBIOPUTCMAP, &palette) == -1)
+	perror("initPalette: error setting palette");
+}
+
+void resetPalette()
+{
+    if (paletteSize == 0)
+	return;
+
+    if (ioctl(ttyFd, FBIOPUTCMAP, &oldPalette) == -1)
+	perror("resetPalette");
+
+    free(oldPalette.red);
+    free(oldPalette.green);
+    free(oldPalette.blue);
+    free(oldPalette.transp);
+
+    free(palette.red);
+    free(palette.green);
+    free(palette.blue);
+    free(palette.transp);
+}
+
+void drawRect_rgb32(int x0, int y0, int width, int height, int color)
+{
+    const int bytesPerPixel = 4;
+    const int stride = finfo.line_length / bytesPerPixel;
+
+    int *dest = (int*)(frameBuffer)
+                + (y0 + vinfo.yoffset) * stride
+                + (x0 + vinfo.xoffset);
+
+    int x, y;
+    for (y = 0; y < height; ++y) {
+        for (x = 0; x < width; ++x) {
+            dest[x] = color;
+        }
+        dest += stride;
+    }
+}
+
+void drawRect_rgb18(int x0, int y0, int width, int height, int color)
+{
+    const int bytesPerPixel = 3;
+    const int stride = finfo.line_length - width * bytesPerPixel;
+    const int red = (color & 0xff0000) >> 16;
+    const int green = (color & 0xff00) >> 8;
+    const int blue = (color & 0xff);
+    const unsigned int packed = (blue >> 2) |
+				((green >> 2) << 6) |
+				((red >> 2) << 12);
+    const char color18[3] = { packed & 0xff,
+			      (packed & 0xff00) >> 8,
+			      (packed & 0xff0000) >> 16 };
+
+    char *dest = (char*)(frameBuffer)
+		 + (y0 + vinfo.yoffset) * stride
+		 + (x0 + vinfo.xoffset);
+
+    int x, y;
+    for (y = 0; y < height; ++y) {
+        for (x = 0; x < width; ++x) {
+	    *dest++ = color18[0];
+	    *dest++ = color18[1];
+	    *dest++ = color18[2];
+        }
+        dest += stride;
+    }
+}
+
+void drawRect_rgb16(int x0, int y0, int width, int height, int color)
+{
+    const int bytesPerPixel = 2;
+    const int stride = finfo.line_length / bytesPerPixel;
+    const int red = (color & 0xff0000) >> (16 + 3);
+    const int green = (color & 0xff00) >> (8 + 2);
+    const int blue = (color & 0xff) >> 3;
+    const short color16 = blue | (green << 5) | (red << (5 + 6));
+
+    short *dest = (short*)(frameBuffer)
+		  + (y0 + vinfo.yoffset) * stride
+		  + (x0 + vinfo.xoffset);
+
+    int x, y;
+    for (y = 0; y < height; ++y) {
+        for (x = 0; x < width; ++x) {
+            dest[x] = color16;
+        }
+        dest += stride;
+    }
+}
+
+void drawRect_rgb15(int x0, int y0, int width, int height, int color)
+{
+    const int bytesPerPixel = 2;
+    const int stride = finfo.line_length / bytesPerPixel;
+    const int red = (color & 0xff0000) >> (16 + 3);
+    const int green = (color & 0xff00) >> (8 + 3);
+    const int blue = (color & 0xff) >> 3;
+    const short color15 = blue | (green << 5) | (red << (5 + 5));
+
+    short *dest = (short*)(frameBuffer)
+		  + (y0 + vinfo.yoffset) * stride
+		  + (x0 + vinfo.xoffset);
+
+    int x, y;
+    for (y = 0; y < height; ++y) {
+        for (x = 0; x < width; ++x) {
+            dest[x] = color15;
+        }
+        dest += stride;
+    }
+}
+
+void drawRect_palette(int x0, int y0, int width, int height, int color)
+{
+    const int bytesPerPixel = 1;
+    const int stride = finfo.line_length / bytesPerPixel;
+    const unsigned char color8 = color;
+
+    unsigned char *dest = (unsigned char*)(frameBuffer)
+                          + (y0 + vinfo.yoffset) * stride
+                          + (x0 + vinfo.xoffset);
+
+    int x, y;
+    for (y = 0; y < height; ++y) {
+        for (x = 0; x < width; ++x) {
+            dest[x] = color8;
+        }
+        dest += stride;
+    }
+}
+
+void drawRect(int x0, int y0, int width, int height, int color)
+{
+    switch (vinfo.bits_per_pixel) {
+    case 32:
+        drawRect_rgb32(x0, y0, width, height, color);
+        break;
+    case 18:
+        drawRect_rgb18(x0, y0, width, height, color);
+        break;
+    case 16:
+        drawRect_rgb16(x0, y0, width, height, color);
+        break;
+    case 15:
+        drawRect_rgb15(x0, y0, width, height, color);
+        break;
+    case 8:
+	drawRect_palette(x0, y0, width, height, color);
+	break;
+    case 4:
+	drawRect_palette(x0, y0, width, height, color);
+	break;
+    default:
+        printf("Warning: drawRect() not implemented for color depth %i\n",
+               vinfo.bits_per_pixel);
+        break;
+    }
+}
+
+#define PERFORMANCE_RUN_COUNT 5
+void performSpeedTest(void* fb, int fbSize)
+{
+    int i, j, run;
+
+    struct timeval startTime, endTime;
+    unsigned long long results[PERFORMANCE_RUN_COUNT];
+    unsigned long long average;
+
+    unsigned int* testImage;
+
+    unsigned int randData[17] = {
+        0x3A428472, 0x724B84D3, 0x26B898AB, 0x7D980E3C, 0x5345A084,
+        0x6779B66B, 0x791EE4B4, 0x6E8EE3CC, 0x63AF504A, 0x18A21B33,
+        0x0E26EB73, 0x022F708E, 0x1740F3B0, 0x7E2C699D, 0x0E8A570B,
+        0x5F2C22FB, 0x6A742130
+    };
+
+    printf("Frame Buffer Performance test...\n");
+
+    for (run=0; run<PERFORMANCE_RUN_COUNT; ++run) {
+
+        /* Generate test image with random(ish) data: */
+        testImage = (unsigned int*) malloc(fbSize);
+        j = run;
+        for (i=0; i < (int)(fbSize / sizeof(int)); ++i) {
+            testImage[i] = randData[j];
+            j++;
+            if (j >= 17)
+                j = 0;
+        }
+
+        gettimeofday(&startTime, NULL);
+        memcpy(fb, testImage, fbSize);
+        gettimeofday(&endTime, NULL);
+
+        long secsDiff = endTime.tv_sec - startTime.tv_sec;
+        results[run] = secsDiff * 1000000 + (endTime.tv_usec - startTime.tv_usec);
+
+        free(testImage);
+    }
+
+
+    average = 0;
+    for (i=0; i<PERFORMANCE_RUN_COUNT; ++i)
+        average += results[i];
+    average = average / PERFORMANCE_RUN_COUNT;
+
+    printf("        Average:   %llu usecs\n", average);
+    printf("        Bandwidth: %.03f MByte/Sec\n", (fbSize / 1048576.0) / ((double)average / 1000000.0));
+    printf("        Max. FPS:  %.03f fps\n\n", 1000000.0 / (double)average);
+
+    /* Clear the framebuffer back to black again: */
+    memset(fb, 0, fbSize);
+}
+
+int main(int argc, char **argv)
+{
+    long int screensize = 0;
+    int doGraphicsMode = 1;
+    long oldKdMode = KD_TEXT;
+    const char *devfile = "/dev/fb0";
+    int nextArg = 1;
+
+    if (nextArg < argc) {
+        if (strncmp("nographicsmodeswitch", argv[nextArg],
+                    strlen("nographicsmodeswitch")) == 0)
+        {
+	    ++nextArg;
+            doGraphicsMode = 0;
+        }
+    }
+    if (nextArg < argc)
+	devfile = argv[nextArg++];
+
+    /* Open the file for reading and writing */
+    fbFd = open(devfile, O_RDWR);
+    if (fbFd == -1) {
+	perror("Error: cannot open framebuffer device");
+	exit(1);
+    }
+    printf("The framebuffer device was opened successfully.\n\n");
+
+    /* Get fixed screen information */
+    if (ioctl(fbFd, FBIOGET_FSCREENINFO, &finfo) == -1) {
+	perror("Error reading fixed information");
+	exit(2);
+    }
+
+    printFixedInfo();
+
+    /* Figure out the size of the screen in bytes */
+    screensize = finfo.smem_len;
+
+    /* Map the device to memory */
+    frameBuffer = (char *)mmap(0, screensize,
+                               PROT_READ | PROT_WRITE, MAP_SHARED,
+                               fbFd, 0);
+    if (frameBuffer == MAP_FAILED) {
+	perror("Error: Failed to map framebuffer device to memory");
+	exit(4);
+    }
+    printf("The framebuffer device was mapped to memory successfully.\n"
+           "\n");
+
+    if (doGraphicsMode)
+        oldKdMode = switchToGraphicsMode();
+
+    /* Get variable screen information */
+    if (ioctl(fbFd, FBIOGET_VSCREENINFO, &vinfo) == -1) {
+	perror("Error reading variable information");
+	exit(3);
+    }
+
+    printVariableInfo();
+
+    performSpeedTest(frameBuffer, screensize);
+
+    initPalette();
+
+    if (paletteSize == 0) {
+        printf("Will draw 3 rectangles on the screen,\n"
+               "they should be colored red, green and blue (in that order).\n");
+        drawRect(vinfo.xres / 8, vinfo.yres / 8,
+                 vinfo.xres / 4, vinfo.yres / 4,
+                 0xffff0000);
+        drawRect(vinfo.xres * 3 / 8, vinfo.yres * 3 / 8,
+                 vinfo.xres / 4, vinfo.yres / 4,
+                 0xff00ff00);
+        drawRect(vinfo.xres * 5 / 8, vinfo.yres * 5 / 8,
+                 vinfo.xres / 4, vinfo.yres / 4,
+                 0xff0000ff);
+    } else {
+        printf("Will rectangles from the 16 first entries in the color palette"
+               " on the screen\n");
+        int y;
+        int x;
+        for (y = 0; y < 4; ++y) {
+            for (x = 0; x < 4; ++x) {
+                drawRect(vinfo.xres / 4 * x, vinfo.yres / 4 * y,
+                         vinfo.xres / 4, vinfo.yres / 4,
+                         4 * y + x);
+            }
+        }
+    }
+
+    sleep(5);
+
+    resetPalette();
+
+    printf("  Done.\n");
+
+    if (doGraphicsMode)
+        restoreTextMode(oldKdMode);
+
+    munmap(frameBuffer, screensize);
+    close(fbFd);
+    return 0;
+}
diff --git a/examples/qws/mousecalibration/calibration.cpp b/examples/qws/mousecalibration/calibration.cpp
new file mode 100644
index 0000000..7e344e0
--- /dev/null
+++ b/examples/qws/mousecalibration/calibration.cpp
@@ -0,0 +1,145 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "calibration.h"
+
+#include <QWSPointerCalibrationData>
+#include <QPainter>
+#include <QFile>
+#include <QTimer>
+#include <QApplication>
+#include <QDesktopWidget>
+#include <QMouseEvent>
+#include <QScreen>
+#include <QWSServer>
+
+//! [0]
+Calibration::Calibration()
+{
+    QRect desktop = QApplication::desktop()->geometry();
+    desktop.moveTo(QPoint(0, 0));
+    setGeometry(desktop);
+
+    setFocusPolicy(Qt::StrongFocus);
+    setFocus();
+    setModal(true);
+//! [0]
+
+//! [1]
+    int width = qt_screen->deviceWidth();
+    int height = qt_screen->deviceHeight();
+
+    int dx = width / 10;
+    int dy = height / 10;
+
+    QPoint *points = data.screenPoints;
+    points[QWSPointerCalibrationData::TopLeft] = QPoint(dx, dy);
+    points[QWSPointerCalibrationData::BottomLeft] = QPoint(dx, height - dy);
+    points[QWSPointerCalibrationData::BottomRight] = QPoint(width - dx, height - dy);
+    points[QWSPointerCalibrationData::TopRight] = QPoint(width - dx, dy);
+    points[QWSPointerCalibrationData::Center] = QPoint(width / 2, height / 2);
+//! [1]
+
+//! [2]
+    pressCount = 0;
+}
+//! [2]
+
+//! [3]
+Calibration::~Calibration()
+{
+}
+//! [3]
+
+//! [4]
+int Calibration::exec()
+{
+    QWSServer::mouseHandler()->clearCalibration();
+    grabMouse();
+    activateWindow();
+    int ret = QDialog::exec();
+    releaseMouse();
+    return ret;
+}
+//! [4]
+
+//! [5]
+void Calibration::paintEvent(QPaintEvent*)
+{
+    QPainter p(this);
+    p.fillRect(rect(), Qt::white);
+
+    QPoint point = data.screenPoints[pressCount];
+
+    // Map to logical coordinates in case the screen is transformed
+    QSize screenSize(qt_screen->deviceWidth(), qt_screen->deviceHeight());
+    point = qt_screen->mapFromDevice(point, screenSize);
+
+    p.fillRect(point.x() - 6, point.y() - 1, 13, 3, Qt::black);
+    p.fillRect(point.x() - 1, point.y() - 6, 3, 13, Qt::black);
+}
+//! [5]
+
+//! [6]
+void Calibration::mouseReleaseEvent(QMouseEvent *event)
+{
+    // Map from device coordinates in case the screen is transformed
+    QSize screenSize(qt_screen->width(), qt_screen->height());
+    QPoint p = qt_screen->mapToDevice(event->pos(), screenSize);
+
+    data.devPoints[pressCount] = p;
+
+    if (++pressCount < 5)
+        repaint();
+    else
+        accept();
+}
+//! [6]
+
+//! [7]
+void Calibration::accept()
+{
+    Q_ASSERT(pressCount == 5);
+    QWSServer::mouseHandler()->calibrate(&data);
+    QDialog::accept();
+}
+//! [7]
+
diff --git a/examples/qws/mousecalibration/calibration.h b/examples/qws/mousecalibration/calibration.h
new file mode 100644
index 0000000..ae862e5
--- /dev/null
+++ b/examples/qws/mousecalibration/calibration.h
@@ -0,0 +1,68 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef CALIBRATION_H
+#define CALIBRATION_H
+
+#include <QDialog>
+#include <QWSPointerCalibrationData>
+
+//! [0]
+class Calibration : public QDialog
+{
+public:
+    Calibration();
+    ~Calibration();
+    int exec();
+
+protected:
+    void paintEvent(QPaintEvent*);
+    void mouseReleaseEvent(QMouseEvent*);
+    void accept();
+
+private:
+    QWSPointerCalibrationData data;
+    int pressCount;
+};
+//! [0]
+
+
+#endif
diff --git a/examples/qws/mousecalibration/main.cpp b/examples/qws/mousecalibration/main.cpp
new file mode 100644
index 0000000..c318383
--- /dev/null
+++ b/examples/qws/mousecalibration/main.cpp
@@ -0,0 +1,93 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QApplication>
+#include <QMessageBox>
+#include <QTimer>
+#include <QWSServer>
+
+#include "calibration.h"
+#include "scribblewidget.h"
+
+//! [0]
+int main(int argc, char **argv)
+{
+    QApplication app(argc, argv, QApplication::GuiServer);
+
+    if (!QWSServer::mouseHandler())
+        qFatal("No mouse handler installed");
+
+    {
+        QMessageBox message;
+        message.setText("<p>Please press once at each of the marks "
+                        "shown in the next screen.</p>"
+                        "<p>This messagebox will timout after 10 seconds "
+                        "if you are unable to close it.</p>");
+        QTimer::singleShot(10 * 1000, &message, SLOT(accept()));
+        message.exec();
+    }
+
+//! [0] //! [1]
+    Calibration cal;
+    cal.exec();
+//! [1]
+
+//! [2]
+    {
+        QMessageBox message;
+        message.setText("<p>The next screen will let you test the calibration "
+                        "by drawing into a widget.</p><p>This program will "
+                        "automatically close after 20 seconds.<p>");
+        QTimer::singleShot(10 * 1000, &message, SLOT(accept()));
+        message.exec();
+    }
+
+    ScribbleWidget scribble;
+    scribble.showMaximized();
+    scribble.show();
+
+    app.setActiveWindow(&scribble);
+    QTimer::singleShot(20 * 1000, &app, SLOT(quit()));
+
+    return app.exec();
+}
+//! [2]
+
diff --git a/examples/qws/mousecalibration/mousecalibration.pro b/examples/qws/mousecalibration/mousecalibration.pro
new file mode 100644
index 0000000..bd31853
--- /dev/null
+++ b/examples/qws/mousecalibration/mousecalibration.pro
@@ -0,0 +1,11 @@
+HEADERS += calibration.h \
+	   scribblewidget.h
+SOURCES += calibration.cpp \
+	   scribblewidget.cpp \
+	   main.cpp
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/qws/mousecalibration
+sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS *.pro
+sources.path = $$[QT_INSTALL_EXAMPLES]/qws/mousecalibration
+INSTALLS += target sources
diff --git a/examples/qws/mousecalibration/scribblewidget.cpp b/examples/qws/mousecalibration/scribblewidget.cpp
new file mode 100644
index 0000000..255afd0
--- /dev/null
+++ b/examples/qws/mousecalibration/scribblewidget.cpp
@@ -0,0 +1,93 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "scribblewidget.h"
+
+ScribbleWidget::ScribbleWidget(QWidget *parent)
+    : QWidget(parent)
+{
+    scribbling = false;
+}
+
+void ScribbleWidget::resizeEvent(QResizeEvent *e)
+{
+    image = QImage(e->size(), QImage::Format_RGB32);
+    image.fill(QColor(Qt::white).rgb());
+}
+
+void ScribbleWidget::mousePressEvent(QMouseEvent *event)
+{
+    if (event->button() != Qt::LeftButton)
+        return;
+
+    lastPoint = event->pos();
+    scribbling = true;
+}
+
+void ScribbleWidget::mouseMoveEvent(QMouseEvent *event)
+{
+    if ((event->buttons() & Qt::LeftButton) && scribbling)
+        drawLineTo(event->pos());
+}
+
+void ScribbleWidget::mouseReleaseEvent(QMouseEvent *event)
+{
+    if (event->button() == Qt::LeftButton && scribbling) {
+        drawLineTo(event->pos());
+        scribbling = false;
+    }
+}
+
+void ScribbleWidget::paintEvent(QPaintEvent *)
+{
+    QPainter painter(this);
+    painter.drawImage(QPoint(0, 0), image);
+}
+
+void ScribbleWidget::drawLineTo(const QPoint &endPoint)
+{
+    QPainter painter(&image);
+    painter.setPen(QPen(Qt::blue, 1, Qt::SolidLine,
+                        Qt::RoundCap, Qt::RoundJoin));
+    painter.drawLine(lastPoint, endPoint);
+    update();
+    lastPoint = endPoint;
+}
diff --git a/examples/qws/mousecalibration/scribblewidget.h b/examples/qws/mousecalibration/scribblewidget.h
new file mode 100644
index 0000000..6693082
--- /dev/null
+++ b/examples/qws/mousecalibration/scribblewidget.h
@@ -0,0 +1,71 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef SCRIBBLEWIDGET_H
+#define SCRIBBLEWIDGET_H
+
+#include <QLabel>
+#include <QMouseEvent>
+#include <QResizeEvent>
+#include <QImage>
+#include <QPainter>
+
+class ScribbleWidget : public QWidget
+{
+public:
+    ScribbleWidget(QWidget *parent = 0);
+
+    void resizeEvent(QResizeEvent *e);
+    void mousePressEvent(QMouseEvent *event);
+    void mouseMoveEvent(QMouseEvent *event);
+    void mouseReleaseEvent(QMouseEvent *event);
+    void paintEvent(QPaintEvent *);
+
+private:
+    void drawLineTo(const QPoint &endPoint);
+
+private:
+    bool scribbling;
+    QPoint lastPoint;
+    QImage image;
+};
+
+#endif // SCRIBBLEWIDGET_H
diff --git a/examples/qws/qws.pro b/examples/qws/qws.pro
new file mode 100644
index 0000000..fb3c3c7
--- /dev/null
+++ b/examples/qws/qws.pro
@@ -0,0 +1,7 @@
+TEMPLATE      = subdirs
+SUBDIRS       = framebuffer mousecalibration simpledecoration
+
+# install
+sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS README *.pro
+sources.path = $$[QT_INSTALL_EXAMPLES]/qws
+INSTALLS += sources
diff --git a/examples/qws/simpledecoration/analogclock.cpp b/examples/qws/simpledecoration/analogclock.cpp
new file mode 100644
index 0000000..28155ba
--- /dev/null
+++ b/examples/qws/simpledecoration/analogclock.cpp
@@ -0,0 +1,111 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+
+#include "analogclock.h"
+
+AnalogClock::AnalogClock(QWidget *parent)
+    : QWidget(parent)
+{
+    QTimer *timer = new QTimer(this);
+    connect(timer, SIGNAL(timeout()), this, SLOT(update()));
+    timer->start(1000);
+
+    setWindowTitle(tr("Analog Clock"));
+    resize(200, 200);
+}
+
+void AnalogClock::paintEvent(QPaintEvent *)
+{
+    static const QPoint hourHand[3] = {
+        QPoint(7, 8),
+        QPoint(-7, 8),
+        QPoint(0, -40)
+    };
+    static const QPoint minuteHand[3] = {
+        QPoint(7, 8),
+        QPoint(-7, 8),
+        QPoint(0, -70)
+    };
+
+    QColor hourColor(127, 0, 127);
+    QColor minuteColor(0, 127, 127, 191);
+
+    int side = qMin(width(), height());
+    QTime time = QTime::currentTime();
+
+    QPainter painter(this);
+    painter.setRenderHint(QPainter::Antialiasing);
+    painter.translate(width() / 2, height() / 2);
+    painter.scale(side / 200.0, side / 200.0);
+
+    painter.setPen(Qt::NoPen);
+    painter.setBrush(hourColor);
+
+    painter.save();
+    painter.rotate(30.0 * ((time.hour() + time.minute() / 60.0)));
+    painter.drawConvexPolygon(hourHand, 3);
+    painter.restore();
+
+    painter.setPen(hourColor);
+
+    for (int i = 0; i < 12; ++i) {
+        painter.drawLine(88, 0, 96, 0);
+        painter.rotate(30.0);
+    }
+
+    painter.setPen(Qt::NoPen);
+    painter.setBrush(minuteColor);
+
+    painter.save();
+    painter.rotate(6.0 * (time.minute() + time.second() / 60.0));
+    painter.drawConvexPolygon(minuteHand, 3);
+    painter.restore();
+
+    painter.setPen(minuteColor);
+
+    for (int j = 0; j < 60; ++j) {
+        if ((j % 5) != 0)
+            painter.drawLine(92, 0, 96, 0);
+        painter.rotate(6.0);
+    }
+}
diff --git a/examples/qws/simpledecoration/analogclock.h b/examples/qws/simpledecoration/analogclock.h
new file mode 100644
index 0000000..f779744
--- /dev/null
+++ b/examples/qws/simpledecoration/analogclock.h
@@ -0,0 +1,58 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef ANALOGCLOCK_H
+#define ANALOGCLOCK_H
+
+#include <QWidget>
+
+class AnalogClock : public QWidget
+{
+    Q_OBJECT
+
+public:
+    AnalogClock(QWidget *parent = 0);
+
+protected:
+    void paintEvent(QPaintEvent *event);
+};
+
+#endif
diff --git a/examples/qws/simpledecoration/main.cpp b/examples/qws/simpledecoration/main.cpp
new file mode 100644
index 0000000..597f5b3
--- /dev/null
+++ b/examples/qws/simpledecoration/main.cpp
@@ -0,0 +1,60 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QApplication>
+#include "analogclock.h"
+#include "mydecoration.h"
+
+//! [create application]
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+    MyDecoration *decoration = new MyDecoration();
+    app.qwsSetDecoration(decoration);
+//! [create application]
+    
+//! [start application]
+    AnalogClock clock;
+    clock.show();
+
+    return app.exec();
+}
+//! [start application]
diff --git a/examples/qws/simpledecoration/mydecoration.cpp b/examples/qws/simpledecoration/mydecoration.cpp
new file mode 100644
index 0000000..282bc88
--- /dev/null
+++ b/examples/qws/simpledecoration/mydecoration.cpp
@@ -0,0 +1,375 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+#include "mydecoration.h"
+
+/* XPM */
+static const char * const _close_button[] = {
+"16 16 3 1",
+"  c none",
+". c #ffafaf",
+"x c #000000",
+"                ",
+" xxxxxxxxxxxxxx ",
+" x............x ",
+" x.x........x.x ",
+" x..x......x..x ",
+" x...x....x...x ",
+" x....x..x....x ",
+" x.....xx.....x ",
+" x.....xx.....x ",
+" x....x..x....x ",
+" x...x....x...x ",
+" x..x......x..x ",
+" x.x........x.x ",
+" x............x ",
+" xxxxxxxxxxxxxx ",
+"                "};
+
+static const char * const _normalize_button[] = {
+"16 16 4 1",
+"  c none",
+". c #dfdfff",
+"o c #7f7f7f",
+"x c #000000",
+"                ",
+" xxxxxxxxxxxxxx ",
+" xx...........x ",
+" x.x..........x ",
+" x..x..x......x ",
+" x...xxx......x ",
+" x...xxx......x ",
+" x..xxxx......x ",
+" x............x ",
+" x.......xxxx.x ",
+" x.......x..x.x ",
+" x.......x..x.x ",
+" x.......xxxx.x ",
+" x............x ",
+" xxxxxxxxxxxxxx ",
+"                "};
+
+static const char * const _maximize_button[] = {
+"16 16 4 1",
+"  c none",
+". c #dfdfff",
+"o c #7f7f7f",
+"x c #000000",
+"                ",
+" xxxxxxxxxxxxxx ",
+" x............x ",
+" x.......xxxx.x ",
+" x........xxx.x ",
+" x........xxx.x ",
+" x.......x..x.x ",
+" x......x.....x ",
+" x.....x......x ",
+" x.oooo.......x ",
+" x.o..o.......x ",
+" x.o..o.......x ",
+" x.oooo.......x ",
+" x............x ",
+" xxxxxxxxxxxxxx ",
+"                "};
+
+static const char * const _help_button[] = {
+"16 16 3 1",
+"  c none",
+". c #afffdf",
+"x c #000000",
+"                ",
+" xxxxxxxxxxxxxx ",
+" x............x ",
+" x....xxxx....x ",
+" x..xx....xx..x ",
+" x.xx......xx.x ",
+" x.xx......xx.x ",
+" x........xx..x ",
+" x......xx....x ",
+" x.....xx.....x ",
+" x.....xx.....x ",
+" x............x ",
+" x.....xx.....x ",
+" x............x ",
+" xxxxxxxxxxxxxx ",
+"                "};
+
+//! [constructor start]
+MyDecoration::MyDecoration()
+    : QDecorationDefault()
+{
+    border = 4;
+    titleHeight = 24;
+    buttonWidth = 20;
+    buttonHeight = 20;
+    buttonMargin = 2;
+    buttonHints << Qt::Window
+                << Qt::WindowMaximizeButtonHint
+                << Qt::WindowContextHelpButtonHint;
+    //! [constructor start]
+
+    //! [map window flags to decoration regions]
+    buttonHintMap[Qt::Window] = Close;
+    buttonHintMap[Qt::WindowMaximizeButtonHint] = Maximize;
+    buttonHintMap[Qt::WindowContextHelpButtonHint] = Help;
+    //! [map window flags to decoration regions]
+
+    //! [map decoration regions to pixmaps]
+    normalButtonPixmaps[Close] = QPixmap(_close_button);
+    normalButtonPixmaps[Maximize] = QPixmap(_maximize_button);
+    normalButtonPixmaps[Normalize] = QPixmap(_normalize_button);
+    normalButtonPixmaps[Help] = QPixmap(_help_button);
+
+    maximizedButtonPixmaps[Close] = QPixmap(_close_button);
+    maximizedButtonPixmaps[Maximize] = QPixmap(_normalize_button);
+    maximizedButtonPixmaps[Normalize] = QPixmap(_normalize_button);
+    maximizedButtonPixmaps[Help] = QPixmap(_help_button);
+    //! [map decoration regions to pixmaps]
+
+    //! [constructor end]
+    stateRegions << Close << Maximize << Help;
+}
+//! [constructor end]
+
+//! [region start]
+QRegion MyDecoration::region(const QWidget *widget, const QRect &insideRect,
+                             int decorationRegion)
+{
+    //! [region start]
+    //! [calculate the positions of buttons based on the window flags used]
+    QHash<DecorationRegion, int> buttons;
+    Qt::WindowFlags flags = widget->windowFlags();
+    int dx = -buttonMargin - buttonWidth;
+
+    foreach (Qt::WindowType button, buttonHints) {
+        if (flags & button) {
+            int x = (buttons.size() + 1) * dx;
+            buttons[buttonHintMap[button]] = x;
+        }
+    }
+    //! [calculate the positions of buttons based on the window flags used]
+
+    //! [calculate the extent of the title]
+    int titleRightMargin = buttons.size() * dx;
+
+    QRect outsideRect(insideRect.left() - border,
+                      insideRect.top() - titleHeight - border,
+                      insideRect.width() + 2 * border,
+                      insideRect.height() + titleHeight + 2 * border);
+    //! [calculate the extent of the title]
+
+    //! [check for all regions]
+    QRegion region;
+
+    if (decorationRegion == All) {
+        region += QRegion(outsideRect) - QRegion(insideRect);
+        return region;
+    }
+    //! [check for all regions]
+
+    //! [compose a region based on the decorations specified]
+    if (decorationRegion & Title) {
+        QRect rect = outsideRect.adjusted(border, border, -border, 0);
+        rect.setHeight(titleHeight);
+
+        // Adjust the width to accommodate buttons.
+        rect.setWidth(qMax(0, rect.width() + titleRightMargin));
+        region += rect;
+    }
+    if (decorationRegion & Top) {
+        QRect rect = outsideRect.adjusted(border, 0, -border, 0);
+        rect.setHeight(border);
+        region += rect;
+    }
+    if (decorationRegion & Left) {
+        QRect rect = outsideRect.adjusted(0, border, 0, -border);
+        rect.setWidth(border);
+        region += rect;
+    }
+    if (decorationRegion & Right) {
+        QRect rect = outsideRect.adjusted(0, border, 0, -border);
+        rect.setLeft(rect.right() + 1 - border);
+        region += rect;
+    }
+    if (decorationRegion & Bottom) {
+        QRect rect = outsideRect.adjusted(border, 0, -border, 0);
+        rect.setTop(rect.bottom() + 1 - border);
+        region += rect;
+    }
+    if (decorationRegion & TopLeft) {
+        QRect rect = outsideRect;
+        rect.setWidth(border);
+        rect.setHeight(border);
+        region += rect;
+    }
+    if (decorationRegion & TopRight) {
+        QRect rect = outsideRect;
+        rect.setLeft(rect.right() + 1 - border);
+        rect.setHeight(border);
+        region += rect;
+    }
+    if (decorationRegion & BottomLeft) {
+        QRect rect = outsideRect;
+        rect.setWidth(border);
+        rect.setTop(rect.bottom() + 1 - border);
+        region += rect;
+    }
+    if (decorationRegion & BottomRight) {
+        QRect rect = outsideRect;
+        rect.setLeft(rect.right() + 1 - border);
+        rect.setTop(rect.bottom() + 1 - border);
+        region += rect;
+    }
+    //! [compose a region based on the decorations specified]
+
+    //! [add a region for each button only if it is present]
+    foreach (QDecoration::DecorationRegion testRegion, stateRegions) {
+        if (decorationRegion & testRegion and buttons.contains(testRegion)) {
+            // Inside the title rectangle
+            QRect rect = outsideRect.adjusted(border, border, -border, 0);
+            rect.setHeight(titleHeight);
+
+            dx = buttons[testRegion];
+            rect.setLeft(rect.right() + 1 + dx);
+            rect.setWidth(buttonWidth + buttonMargin);
+            region += rect;
+        }
+    }
+    //! [add a region for each button only if it is present]
+
+    //! [region end]
+    return region;
+}
+//! [region end]
+
+//! [paint start]
+bool MyDecoration::paint(QPainter *painter, const QWidget *widget,
+                         int decorationRegion, DecorationState state)
+{
+    if (decorationRegion == None)
+        return false;
+    //! [paint start]
+
+    //! [paint different regions]
+    bool handled = false;
+
+    QPalette palette = QApplication::palette();
+    QHash<DecorationRegion, QPixmap> buttonPixmaps;
+
+    if (widget->windowState() == Qt::WindowMaximized)
+        buttonPixmaps = maximizedButtonPixmaps;
+    else
+        buttonPixmaps = normalButtonPixmaps;
+
+    if (decorationRegion & Title) {
+        QRect rect = QDecoration::region(widget, Title).boundingRect();
+        painter->fillRect(rect, palette.brush(QPalette::Base));
+        painter->save();
+        painter->setPen(QPen(palette.color(QPalette::Text)));
+        painter->drawText(rect, Qt::AlignCenter, widget->windowTitle());
+        painter->restore();
+        handled = true;
+    }
+    if (decorationRegion & Top) {
+        QRect rect = QDecoration::region(widget, Top).boundingRect();
+        painter->fillRect(rect, palette.brush(QPalette::Dark));
+        handled = true;
+    }
+    if (decorationRegion & Left) {
+        QRect rect = QDecoration::region(widget, Left).boundingRect();
+        painter->fillRect(rect, palette.brush(QPalette::Dark));
+        handled = true;
+    }
+    if (decorationRegion & Right) {
+        QRect rect = QDecoration::region(widget, Right).boundingRect();
+        painter->fillRect(rect, palette.brush(QPalette::Dark));
+        handled = true;
+    }
+    if (decorationRegion & Bottom) {
+        QRect rect = QDecoration::region(widget, Bottom).boundingRect();
+        painter->fillRect(rect, palette.brush(QPalette::Dark));
+        handled = true;
+    }
+    if (decorationRegion & TopLeft) {
+        QRect rect = QDecoration::region(widget, TopLeft).boundingRect();
+        painter->fillRect(rect, palette.brush(QPalette::Dark));
+        handled = true;
+    }
+    if (decorationRegion & TopRight) {
+        QRect rect = QDecoration::region(widget, TopRight).boundingRect();
+        painter->fillRect(rect, palette.brush(QPalette::Dark));
+        handled = true;
+    }
+    if (decorationRegion & BottomLeft) {
+        QRect rect = QDecoration::region(widget, BottomLeft).boundingRect();
+        painter->fillRect(rect, palette.brush(QPalette::Dark));
+        handled = true;
+    }
+    if (decorationRegion & BottomRight) {
+        QRect rect = QDecoration::region(widget, BottomRight).boundingRect();
+        painter->fillRect(rect, palette.brush(QPalette::Dark));
+        handled = true;
+    }
+    //! [paint different regions]
+
+    //! [paint buttons]
+    int margin = (titleHeight - 16) / 2;
+    Qt::WindowFlags flags = widget->windowFlags();
+
+    foreach (DecorationRegion testRegion, stateRegions) {
+        if (decorationRegion & testRegion && flags & buttonHintMap.key(testRegion)) {
+            QRect rect = QDecoration::region(
+                widget, testRegion).boundingRect();
+            painter->fillRect(rect, palette.brush(QPalette::Base));
+
+            QRect buttonRect = rect.adjusted(0, margin, -buttonMargin - margin,
+                                             -buttonMargin);
+            painter->drawPixmap(buttonRect.topLeft(), buttonPixmaps[testRegion]);
+            handled = true;
+        }
+    }
+    //! [paint buttons]
+
+    //! [paint end]
+    return handled;
+}
+//! [paint end]
diff --git a/examples/qws/simpledecoration/mydecoration.h b/examples/qws/simpledecoration/mydecoration.h
new file mode 100644
index 0000000..dffac30
--- /dev/null
+++ b/examples/qws/simpledecoration/mydecoration.h
@@ -0,0 +1,73 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef MYDECORATION_H
+#define MYDECORATION_H
+
+#include <QDecorationDefault>
+#include <QHash>
+#include <QPixmap>
+#include <QRegion>
+#include <Qt>
+
+//! [decoration class definition]
+class MyDecoration : public QDecorationDefault
+{
+public:
+    MyDecoration();
+    QRegion region(const QWidget *widget, const QRect &insideRect, int decorationRegion);
+    bool paint(QPainter *painter, const QWidget *widget, int decorationRegion, DecorationState state);
+
+private:
+    int border;
+    int buttonHeight;
+    int buttonMargin;
+    int buttonWidth;
+    int titleHeight;
+    QHash<Qt::WindowType, DecorationRegion> buttonHintMap;
+    QHash<DecorationRegion, QPixmap> normalButtonPixmaps;
+    QHash<DecorationRegion, QPixmap> maximizedButtonPixmaps;
+    QVector<Qt::WindowType> buttonHints;
+    QVector<DecorationRegion> stateRegions;
+};
+//! [decoration class definition]
+
+#endif
diff --git a/examples/qws/simpledecoration/simpledecoration.pro b/examples/qws/simpledecoration/simpledecoration.pro
new file mode 100644
index 0000000..b409878
--- /dev/null
+++ b/examples/qws/simpledecoration/simpledecoration.pro
@@ -0,0 +1,12 @@
+TEMPLATE  = app
+HEADERS   = analogclock.h \
+            mydecoration.h
+SOURCES   = analogclock.cpp \
+            main.cpp \
+            mydecoration.cpp
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/qws/simpledecoration
+sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS *.pro
+sources.path = $$[QT_INSTALL_EXAMPLES]/qws/simpledecoration
+INSTALLS += target sources
diff --git a/examples/qws/svgalib/README b/examples/qws/svgalib/README
new file mode 100644
index 0000000..0b2831f
--- /dev/null
+++ b/examples/qws/svgalib/README
@@ -0,0 +1,5 @@
+This is the SVGA screen driver plugin example from Qt 4.4. The code does
+not compile with Qt 4.5, because the internal graphics engine has changed.
+
+This is unsupported code, provided for convenience in case there is
+interest in porting it to Qt 4.5.
diff --git a/examples/qws/svgalib/svgalib.pro b/examples/qws/svgalib/svgalib.pro
new file mode 100644
index 0000000..8a47c1d
--- /dev/null
+++ b/examples/qws/svgalib/svgalib.pro
@@ -0,0 +1,19 @@
+TEMPLATE = lib
+CONFIG += plugin
+
+LIBS += -lvgagl -lvga
+
+TARGET = svgalibscreen
+target.path = $$[QT_INSTALL_PLUGINS]/gfxdrivers
+INSTALLS += target
+
+HEADERS	= svgalibscreen.h \
+          svgalibpaintengine.h \
+          svgalibsurface.h \
+          svgalibpaintdevice.h
+SOURCES	= svgalibscreen.cpp \
+          svgalibpaintengine.cpp \
+          svgalibsurface.cpp \
+          svgalibpaintdevice.cpp \
+          svgalibplugin.cpp
+
diff --git a/examples/qws/svgalib/svgalibpaintdevice.cpp b/examples/qws/svgalib/svgalibpaintdevice.cpp
new file mode 100644
index 0000000..b4e0276
--- /dev/null
+++ b/examples/qws/svgalib/svgalibpaintdevice.cpp
@@ -0,0 +1,67 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "svgalibpaintdevice.h"
+#include "svgalibpaintengine.h"
+
+#include <QApplication>
+#include <QDesktopWidget>
+
+SvgalibPaintDevice::SvgalibPaintDevice(QWidget *w)
+    : QCustomRasterPaintDevice(w)
+{
+    pengine = new SvgalibPaintEngine;
+}
+
+SvgalibPaintDevice::~SvgalibPaintDevice()
+{
+    delete pengine;
+}
+
+int SvgalibPaintDevice::metric(PaintDeviceMetric m) const
+{
+    if (m == PdmWidth)
+        return QApplication::desktop()->screenGeometry().width();
+    else if (m == PdmHeight)
+        return QApplication::desktop()->screenGeometry().height();
+    return QCustomRasterPaintDevice::metric(m);
+}
+
diff --git a/examples/qws/svgalib/svgalibpaintdevice.h b/examples/qws/svgalib/svgalibpaintdevice.h
new file mode 100644
index 0000000..bf6cc7a
--- /dev/null
+++ b/examples/qws/svgalib/svgalibpaintdevice.h
@@ -0,0 +1,66 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef SVGALIBPAINTDEVICE_H
+#define SVGALIBPAINTDEVICE_H
+
+#include "svgalibpaintengine.h"
+#include <private/qpaintengine_raster_p.h>
+#include <qscreen_qws.h>
+
+//! [0]
+class SvgalibPaintDevice : public QCustomRasterPaintDevice
+{
+public:
+    SvgalibPaintDevice(QWidget *w);
+    ~SvgalibPaintDevice();
+
+    void* memory() const { return QScreen::instance()->base(); }
+
+    QPaintEngine *paintEngine() const { return pengine; }
+    int metric(PaintDeviceMetric m) const;
+
+private:
+    SvgalibPaintEngine *pengine;
+};
+//! [0]
+
+#endif // SVGALIBPAINTDEVICE_H
diff --git a/examples/qws/svgalib/svgalibpaintengine.cpp b/examples/qws/svgalib/svgalibpaintengine.cpp
new file mode 100644
index 0000000..3621db7
--- /dev/null
+++ b/examples/qws/svgalib/svgalibpaintengine.cpp
@@ -0,0 +1,192 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "svgalibpaintengine.h"
+
+#include <QColor>
+#include <vga.h>
+#include <vgagl.h>
+
+SvgalibPaintEngine::SvgalibPaintEngine()
+{
+}
+
+SvgalibPaintEngine::~SvgalibPaintEngine()
+{
+}
+
+//! [0]
+bool SvgalibPaintEngine::begin(QPaintDevice *dev)
+{
+    device = dev;
+    pen = Qt::NoPen;
+    simplePen = true;
+    brush = Qt::NoBrush;
+    simpleBrush = true;
+    matrix = QMatrix();
+    simpleMatrix = true;
+    setClip(QRect(0, 0, device->width(), device->height()));
+    opaque = true;
+    aliased = true;
+    sourceOver = true;
+
+    return QRasterPaintEngine::begin(dev);
+}
+//! [0]
+
+//! [1]
+bool SvgalibPaintEngine::end()
+{
+    gl_setclippingwindow(0, 0, device->width() - 1, device->height() - 1);
+    return QRasterPaintEngine::end();
+}
+//! [1]
+
+//! [2]
+void SvgalibPaintEngine::updateState(const QPaintEngineState &state)
+{
+    QPaintEngine::DirtyFlags flags = state.state();
+
+    if (flags & DirtyTransform) {
+        matrix = state.matrix();
+        simpleMatrix = (matrix.m12() == 0 && matrix.m21() == 0);
+    }
+
+    if (flags & DirtyPen) {
+        pen = state.pen();
+        simplePen = (pen.width() == 0 || pen.widthF() <= 1)
+                    && (pen.style() == Qt::NoPen || pen.style() == Qt::SolidLine)
+                    && (pen.color().alpha() == 255);
+    }
+
+    if (flags & DirtyBrush) {
+        brush = state.brush();
+        simpleBrush = (brush.style() == Qt::SolidPattern
+                       || brush.style() == Qt::NoBrush)
+                      && (brush.color().alpha() == 255);
+    }
+
+    if (flags & DirtyClipRegion)
+        setClip(state.clipRegion());
+
+    if (flags & DirtyClipEnabled) {
+        clipEnabled = state.isClipEnabled();
+        updateClip();
+    }
+
+    if (flags & DirtyClipPath) {
+        setClip(QRegion());
+        simpleClip = false;
+    }
+
+    if (flags & DirtyCompositionMode) {
+        const QPainter::CompositionMode m = state.compositionMode();
+        sourceOver = (m == QPainter::CompositionMode_SourceOver);
+    }
+
+    if (flags & DirtyOpacity)
+        opaque = (state.opacity() == 256);
+
+    if (flags & DirtyHints)
+        aliased = !(state.renderHints() & QPainter::Antialiasing);
+
+    QRasterPaintEngine::updateState(state);
+}
+//! [2]
+
+//! [3]
+void SvgalibPaintEngine::setClip(const QRegion &region)
+{
+    if (region.isEmpty())
+        clip = QRect(0, 0, device->width(), device->height());
+    else
+        clip = matrix.map(region) & QRect(0, 0, device->width(), device->height());
+    clipEnabled = true;
+    updateClip();
+}
+//! [3]
+
+//! [4]
+void SvgalibPaintEngine::updateClip()
+{
+    QRegion clipRegion = QRect(0, 0, device->width(), device->height());
+
+    if (!systemClip().isEmpty())
+        clipRegion &= systemClip();
+    if (clipEnabled)
+        clipRegion &= clip;
+
+    simpleClip = (clipRegion.rects().size() <= 1);
+
+    const QRect r = clipRegion.boundingRect();
+    gl_setclippingwindow(r.left(), r.top(),
+                         r.x() + r.width(),
+                         r.y() + r.height());
+}
+//! [4]
+
+//! [5]
+void SvgalibPaintEngine::drawRects(const QRect *rects, int rectCount)
+{
+    const bool canAccelerate = simplePen && simpleBrush && simpleMatrix
+                               && simpleClip && opaque && aliased
+                               && sourceOver;
+    if (!canAccelerate) {
+        QRasterPaintEngine::drawRects(rects, rectCount);
+        return;
+    }
+
+    for (int i = 0; i < rectCount; ++i) {
+        const QRect r = matrix.mapRect(rects[i]);
+        if (brush != Qt::NoBrush) {
+            gl_fillbox(r.left(), r.top(), r.width(), r.height(),
+                       brush.color().rgba());
+        }
+        if (pen != Qt::NoPen) {
+            const int c = pen.color().rgba();
+            gl_hline(r.left(), r.top(), r.right(), c);
+            gl_hline(r.left(), r.bottom(), r.right(), c);
+            gl_line(r.left(), r.top(), r.left(), r.bottom(), c);
+            gl_line(r.right(), r.top(), r.right(), r.bottom(), c);
+        }
+    }
+}
+//! [5]
diff --git a/examples/qws/svgalib/svgalibpaintengine.h b/examples/qws/svgalib/svgalibpaintengine.h
new file mode 100644
index 0000000..1fa9770
--- /dev/null
+++ b/examples/qws/svgalib/svgalibpaintengine.h
@@ -0,0 +1,79 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef SVGALIBPAINTENGINE_H
+#define SVGALIBPAINTENGINE_H
+
+//! [0]
+#include <private/qpaintengine_raster_p.h>
+
+class SvgalibPaintEngine : public QRasterPaintEngine
+{
+public:
+    SvgalibPaintEngine();
+    ~SvgalibPaintEngine();
+
+    bool begin(QPaintDevice *device);
+    bool end();
+    void updateState(const QPaintEngineState &state);
+    void drawRects(const QRect *rects, int rectCount);
+
+private:
+    void setClip(const QRegion &region);
+    void updateClip();
+
+    QPen pen;
+    bool simplePen;
+    QBrush brush;
+    bool simpleBrush;
+    QMatrix matrix;
+    bool simpleMatrix;
+    QRegion clip;
+    bool clipEnabled;
+    bool simpleClip;
+    bool opaque;
+    bool aliased;
+    bool sourceOver;
+    QPaintDevice *device;
+};
+//! [0]
+
+#endif // SVGALIBPAINTENGINE_H
diff --git a/examples/qws/svgalib/svgalibplugin.cpp b/examples/qws/svgalib/svgalibplugin.cpp
new file mode 100644
index 0000000..080a350
--- /dev/null
+++ b/examples/qws/svgalib/svgalibplugin.cpp
@@ -0,0 +1,75 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "svgalibscreen.h"
+
+#include <QScreenDriverPlugin>
+#include <QStringList>
+
+class SvgalibPlugin : public QScreenDriverPlugin
+{
+public:
+    SvgalibPlugin();
+
+    QStringList keys() const;
+    QScreen *create(const QString&, int displayId);
+};
+
+SvgalibPlugin::SvgalibPlugin()
+    : QScreenDriverPlugin()
+{
+}
+
+QStringList SvgalibPlugin::keys() const
+{
+    return (QStringList() << "svgalib");
+}
+
+QScreen* SvgalibPlugin::create(const QString& driver, int displayId)
+{
+    if (driver.toLower() != "svgalib")
+        return 0;
+
+    return new SvgalibScreen(displayId);
+}
+
+Q_EXPORT_STATIC_PLUGIN(Svgalib)
+Q_EXPORT_PLUGIN2(svgalibscreendriver, SvgalibPlugin)
diff --git a/examples/qws/svgalib/svgalibscreen.cpp b/examples/qws/svgalib/svgalibscreen.cpp
new file mode 100644
index 0000000..1961d3c
--- /dev/null
+++ b/examples/qws/svgalib/svgalibscreen.cpp
@@ -0,0 +1,354 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "svgalibscreen.h"
+#include "svgalibsurface.h"
+
+#include <QVector>
+#include <QApplication>
+#include <QColor>
+#include <QWidget>
+
+#include <math.h>
+
+static int getModeDepth(vga_modeinfo *mode)
+{
+    const int bits = int(log2(mode->colors));
+    if (bits == 24 && mode->bytesperpixel == 4)
+        return 32;
+    return bits;
+}
+
+//! [0]
+bool SvgalibScreen::connect(const QString &displaySpec)
+{
+    int mode = vga_getdefaultmode();
+    if (mode <= 0) {
+        qCritical("SvgalibScreen::connect(): invalid vga mode");
+        return false;
+    }
+
+    vga_modeinfo *modeinfo = vga_getmodeinfo(mode);
+
+    QScreen::lstep = modeinfo->linewidth;
+    QScreen::dw = QScreen::w = modeinfo->width;
+    QScreen::dh = QScreen::h = modeinfo->height;
+    QScreen::d = getModeDepth(modeinfo);
+    QScreen::size = QScreen::lstep * dh;
+    QScreen::data = 0;
+
+    switch (depth()) {
+    case 32:
+        setPixelFormat(QImage::Format_ARGB32_Premultiplied);
+        break;
+    case 24:
+        setPixelFormat(QImage::Format_RGB888);
+        break;
+    case 16:
+        setPixelFormat(QImage::Format_RGB16);
+        break;
+    case 15:
+        setPixelFormat(QImage::Format_RGB555);
+        break;
+    default:
+        break;
+    }
+
+    const int dpi = 72;
+    QScreen::physWidth = qRound(QScreen::dw * 25.4 / dpi);
+    QScreen::physHeight = qRound(QScreen::dh * 25.4 / dpi);
+
+    const QStringList args = displaySpec.split(QLatin1Char(':'),
+                                               QString::SkipEmptyParts);
+    grayscale = args.contains(QLatin1String("grayscale"), Qt::CaseInsensitive);
+
+    return true;
+}
+//! [0]
+
+void SvgalibScreen::initColorMap()
+{
+    const int numColors = vga_getcolors();
+    if (numColors == 2 || numColors > 256) {
+        screencols = 0;
+        return; // not a palette based mode
+    }
+
+    if (numColors == 16) {
+        if (grayscale) {
+            for (int i = 0; i < 256; ++i) {
+                const int c = i * 16 / 256;
+                vga_setpalette(i, c, c, c);
+            }
+            screencols = 256; // XXX: takes advantage of optimization in alloc()
+        } else { // read in EGA palette
+            int r, g, b;
+            for (int i = 0; i < 16; ++i) {
+                vga_getpalette(i, &r, &g, &b);
+                screenclut[i] = qRgb(r, g, b);
+            }
+            screencols = 16;
+        }
+
+        return;
+    }
+
+    Q_ASSERT(numColors == 256);
+
+    if (grayscale) {
+        for (int i = 0; i < 256; ++i) {
+            const int c = i * 64 / 256;
+            vga_setpalette(i, c, c, c);
+        }
+    } else {
+        int i = 0;
+
+#if 0
+        // read in EGA palette
+        while (i < 16) {
+            int r, g, b;
+            vga_getpalette(i, &r, &g, &b);
+            screenclut[i] = qRgb(r, g, b);
+            ++i;
+        }
+        screencols = 16;
+#endif
+
+        // 6 * 6 * 6 color cube
+        for (int r = 0; r < 6; ++r) {
+            for (int g = 0; g < 6; ++g) {
+                for (int b = 0; b < 6; ++b) {
+                    vga_setpalette(i, r * 64/6, g * 64/6, b * 64/6);
+                    screenclut[i] = qRgb(r * 256/6, g * 256/6, b * 256/6);
+                    ++i;
+                }
+            }
+        }
+        screencols = i;
+
+        while (i < 256) {
+            screenclut[i] = qRgb(0, 0, 0);
+            ++i;
+        }
+    }
+}
+
+//! [1]
+bool SvgalibScreen::initDevice()
+{
+    if (vga_init() != 0) {
+        qCritical("SvgalibScreen::initDevice(): unable to initialize svgalib");
+        return false;
+    }
+
+    int mode = vga_getdefaultmode();
+    if (vga_setmode(mode) == -1) {
+        qCritical("SvgalibScreen::initialize(): unable to set graphics mode");
+        return false;
+    }
+
+    if (gl_setcontextvga(mode) != 0) {
+        qCritical("SvgalibScreen::initDevice(): unable to set vga context");
+        return false;
+    }
+    context = gl_allocatecontext();
+    gl_getcontext(context);
+
+    vga_modeinfo *modeinfo = vga_getmodeinfo(mode);
+    if (modeinfo->flags & IS_LINEAR)
+        QScreen::data = vga_getgraphmem();
+
+    initColorMap();
+
+    QScreenCursor::initSoftwareCursor();
+    return true;
+}
+//! [1]
+
+//! [2]
+void SvgalibScreen::shutdownDevice()
+{
+    gl_freecontext(context);
+    vga_setmode(TEXT);
+}
+//! [2]
+
+//! [3]
+void SvgalibScreen::disconnect()
+{
+}
+//! [3]
+
+//! [4]
+void SvgalibScreen::solidFill(const QColor &color, const QRegion &reg)
+{
+    int c;
+    if (depth() == 4 || depth() == 8)
+        c = alloc(color.red(), color.green(), color.blue());
+    else
+        c = gl_rgbcolor(color.red(), color.green(), color.blue());
+
+    const QVector<QRect> rects = (reg & region()).rects();
+    for (int i = 0; i < rects.size(); ++i) {
+        const QRect r = rects.at(i);
+        gl_fillbox(r.left(), r.top(), r.width(), r.height(), c);
+    }
+}
+//! [4]
+
+void SvgalibScreen::blit16To8(const QImage &image,
+                              const QPoint &topLeft, const QRegion &region)
+{
+    const int imageStride = image.bytesPerLine() / 2;
+    const QVector<QRect> rects = region.rects();
+
+    for (int i = 0; i < rects.size(); ++i) {
+        const QRect r = rects.at(i).translated(-topLeft);
+        int y = r.y();
+        const quint16 *s = reinterpret_cast<const quint16*>(image.scanLine(y));
+
+        while (y <= r.bottom()) {
+            int x1 = r.x();
+            while (x1 <= r.right()) {
+                const quint16 c = s[x1];
+                int x2 = x1;
+                // find span length
+                while ((x2+1 < r.right()) && (s[x2+1] == c))
+                    ++x2;
+                gl_hline(x1 + topLeft.x(), y + topLeft.y(), x2 + topLeft.x(),
+                         qt_colorConvert<quint8, quint16>(c, 0));
+                x1 = x2 + 1;
+            }
+            s += imageStride;
+            ++y;
+        }
+    }
+}
+
+void SvgalibScreen::blit32To8(const QImage &image,
+                              const QPoint &topLeft, const QRegion &region)
+{
+    const int imageStride = image.bytesPerLine() / 4;
+    const QVector<QRect> rects = region.rects();
+
+    for (int i = 0; i < rects.size(); ++i) {
+        const QRect r = rects.at(i).translated(-topLeft);
+        int y = r.y();
+        const quint32 *s = reinterpret_cast<const quint32*>(image.scanLine(y));
+
+        while (y <= r.bottom()) {
+            int x1 = r.x();
+            while (x1 <= r.right()) {
+                const quint32 c = s[x1];
+                int x2 = x1;
+                // find span length
+                while ((x2+1 < r.right()) && (s[x2+1] == c))
+                    ++x2;
+                gl_hline(x1 + topLeft.x(), y + topLeft.y(), x2 + topLeft.x(),
+                         qt_colorConvert<quint8, quint32>(c, 0));
+                x1 = x2 + 1;
+            }
+            s += imageStride;
+            ++y;
+        }
+    }
+}
+
+//! [5]
+void SvgalibScreen::blit(const QImage &img, const QPoint &topLeft,
+                         const QRegion &reg)
+{
+    if (depth() == 8) {
+        switch (img.format()) {
+        case QImage::Format_RGB16:
+            blit16To8(img, topLeft, reg);
+            return;
+        case QImage::Format_RGB32:
+        case QImage::Format_ARGB32:
+        case QImage::Format_ARGB32_Premultiplied:
+            blit32To8(img, topLeft, reg);
+            return;
+        default:
+            break;
+        }
+    }
+
+    if (img.format() != pixelFormat()) {
+        if (base())
+            QScreen::blit(img, topLeft, reg);
+        return;
+    }
+
+    const QVector<QRect> rects = (reg & region()).rects();
+
+    for (int i = 0; i < rects.size(); ++i) {
+        const QRect r = rects.at(i);
+        gl_putboxpart(r.x(), r.y(), r.width(), r.height(),
+                      img.width(), img.height(),
+                      static_cast<void*>(const_cast<uchar*>(img.bits())),
+                      r.x() - topLeft.x(), r.y() - topLeft.y());
+    }
+}
+//! [5]
+
+//! [7]
+QWSWindowSurface* SvgalibScreen::createSurface(QWidget *widget) const
+{
+    if (base()) {
+        static int onScreenPaint = -1;
+        if (onScreenPaint == -1)
+            onScreenPaint = qgetenv("QT_ONSCREEN_PAINT").toInt();
+
+        if (onScreenPaint > 0 || widget->testAttribute(Qt::WA_PaintOnScreen))
+            return new SvgalibSurface(widget);
+    }
+    return QScreen::createSurface(widget);
+}
+//! [7]
+
+//! [8]
+QWSWindowSurface* SvgalibScreen::createSurface(const QString &key) const
+{
+    if (key == QLatin1String("svgalib"))
+        return new SvgalibSurface;
+    return QScreen::createSurface(key);
+}
+//! [8]
diff --git a/examples/qws/svgalib/svgalibscreen.h b/examples/qws/svgalib/svgalibscreen.h
new file mode 100644
index 0000000..4d32b7c
--- /dev/null
+++ b/examples/qws/svgalib/svgalibscreen.h
@@ -0,0 +1,84 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef SVGALIBSCREEN_H
+#define SVGALIBSCREEN_H
+
+#include <QScreen>
+
+#include <vga.h>
+#include <vgagl.h>
+
+//! [0]
+class SvgalibScreen : public QScreen
+{
+public:
+    SvgalibScreen(int displayId) : QScreen(displayId) {}
+    ~SvgalibScreen() {}
+
+    bool connect(const QString &displaySpec);
+    bool initDevice();
+    void shutdownDevice();
+    void disconnect();
+
+    void setMode(int, int, int) {}
+    void blank(bool) {}
+
+    void blit(const QImage &img, const QPoint &topLeft, const QRegion &region);
+    void solidFill(const QColor &color, const QRegion &region);
+//! [0]
+
+    QWSWindowSurface* createSurface(QWidget *widget) const;
+    QWSWindowSurface* createSurface(const QString &key) const;
+
+//! [1]
+private:
+    void initColorMap();
+    void blit16To8(const QImage &image,
+                   const QPoint &topLeft, const QRegion &region);
+    void blit32To8(const QImage &image,
+                   const QPoint &topLeft, const QRegion &region);
+
+    GraphicsContext *context;
+};
+//! [1]
+
+#endif // SVGALIBSCREEN_H
diff --git a/examples/qws/svgalib/svgalibsurface.cpp b/examples/qws/svgalib/svgalibsurface.cpp
new file mode 100644
index 0000000..8e7e6b6
--- /dev/null
+++ b/examples/qws/svgalib/svgalibsurface.cpp
@@ -0,0 +1,87 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "svgalibsurface.h"
+#include "svgalibpaintdevice.h"
+
+#include <vgagl.h>
+
+SvgalibSurface::SvgalibSurface() : QWSWindowSurface(), pdevice(0)
+{
+    setSurfaceFlags(Opaque);
+}
+
+SvgalibSurface::SvgalibSurface(QWidget *w)
+    : QWSWindowSurface(w)
+{
+    setSurfaceFlags(Opaque);
+    pdevice = new SvgalibPaintDevice(w);
+}
+
+SvgalibSurface::~SvgalibSurface()
+{
+    delete pdevice;
+}
+
+void SvgalibSurface::setGeometry(const QRect &rect)
+{
+    QWSWindowSurface::setGeometry(rect);
+}
+
+QPoint SvgalibSurface::painterOffset() const
+{
+    return geometry().topLeft() + QWSWindowSurface::painterOffset();
+}
+
+//! [0]
+bool SvgalibSurface::scroll(const QRegion &region, int dx, int dy)
+{
+    const QVector<QRect> rects = region.rects();
+    for (int i = 0; i < rects.size(); ++i) {
+        const QRect r = rects.at(i);
+        gl_copybox(r.left(), r.top(), r.width(), r.height(),
+                   r.left() + dx, r.top() + dy);
+    }
+
+    return true;
+}
+//! [0]
+
diff --git a/examples/qws/svgalib/svgalibsurface.h b/examples/qws/svgalib/svgalibsurface.h
new file mode 100644
index 0000000..c33d51a
--- /dev/null
+++ b/examples/qws/svgalib/svgalibsurface.h
@@ -0,0 +1,76 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef SVGALIBSURFACE_H
+#define SVGALIBSURFACE_H
+
+#include "svgalibpaintengine.h"
+#include "svgalibpaintdevice.h"
+#include <private/qwindowsurface_qws_p.h>
+
+class SvgalibPaintDevice;
+
+//! [0]
+class SvgalibSurface : public QWSWindowSurface
+{
+public:
+    SvgalibSurface();
+    SvgalibSurface(QWidget *w);
+    ~SvgalibSurface();
+
+    void setGeometry(const QRect &rect);
+    bool isValid() const { return true; }
+    bool scroll(const QRegion &region, int dx, int dy);
+    QString key() const { return QLatin1String("svgalib"); }
+
+    bool attach(const QByteArray &) { return true; }
+    void detach() {}
+
+    QImage image() const { return QImage(); }
+    QPaintDevice *paintDevice() { return pdevice; }
+    QPoint painterOffset() const;
+
+private:
+    SvgalibPaintDevice *pdevice;
+};
+//! [0]
+
+#endif // SVGALIBSURFACE_H