--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/embedded/qscreenproxy_qws.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,635 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module 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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <qscreenproxy_qws.h>
+
+#ifndef QT_NO_QWS_PROXYSCREEN
+
+#include <qregexp.h>
+
+QT_BEGIN_NAMESPACE
+#ifndef QT_NO_QWS_CURSOR
+
+/*!
+    \class QProxyScreenCursor
+    \since 4.5
+    \ingroup qws
+    \brief The QProxyScreenCursor class provides a generic interface to
+    QScreenCursor implementations.
+*/
+
+/*!
+    Constructs a proxy screen cursor.
+*/
+QProxyScreenCursor::QProxyScreenCursor()
+    : QScreenCursor(), realCursor(0), d_ptr(0)
+{
+}
+
+/*!
+    Destroys the proxy screen cursor.
+*/
+QProxyScreenCursor::~QProxyScreenCursor()
+{
+}
+
+/*!
+    Sets the real screen cursor to be used for the proxy screen cursor to
+    the \a cursor specified.
+
+    \sa screenCursor()
+*/
+void QProxyScreenCursor::setScreenCursor(QScreenCursor *cursor)
+{
+    realCursor = cursor;
+    configure();
+}
+
+/*!
+    Returns the real screen cursor used by the proxy screen cursor.
+
+    \sa setScreenCursor()
+*/
+QScreenCursor* QProxyScreenCursor::screenCursor() const
+{
+    return realCursor;
+}
+
+/*!
+    \reimp
+*/
+void QProxyScreenCursor::set(const QImage &image, int hotx, int hoty)
+{
+    if (realCursor) {
+        hotspot = QPoint(hotx, hoty);
+        cursor = image;
+        size = image.size();
+        realCursor->set(image, hotx, hoty);
+    } else {
+        QScreenCursor::set(image, hotx, hoty);
+    }
+}
+
+/*!
+    \reimp
+*/
+void QProxyScreenCursor::move(int x, int y)
+{
+    if (realCursor) {
+        pos = QPoint(x, y);
+        realCursor->move(x, y);
+    } else {
+        QScreenCursor::move(x, y);
+    }
+}
+
+/*!
+    \reimp
+*/
+void QProxyScreenCursor::show()
+{
+    if (realCursor) {
+        realCursor->show();
+        enable = true;
+    } else {
+        QScreenCursor::show();
+    }
+}
+
+/*!
+    \reimp
+*/
+void QProxyScreenCursor::hide()
+{
+    if (realCursor) {
+        realCursor->hide();
+        enable = false;
+    } else {
+        QScreenCursor::hide();
+    }
+}
+
+/*!
+    \internal
+*/
+void QProxyScreenCursor::configure()
+{
+    if (!realCursor)
+        return;
+
+    cursor = realCursor->cursor;
+    size = realCursor->size;
+    pos = realCursor->pos;
+    hotspot = realCursor->hotspot;
+    enable = realCursor->enable;
+    hwaccel = realCursor->hwaccel;
+    supportsAlpha = realCursor->supportsAlpha;
+}
+
+#endif // QT_NO_QWS_CURSOR
+
+/*!
+    \class QProxyScreen
+    \ingroup qws
+    \brief The QProxyScreen class provides a generic interface to QScreen implementations.
+*/
+
+/*!
+    \fn QProxyScreen::QProxyScreen(int displayId, ClassId classId)
+
+    Constructs a proxy screen with the given \a displayId and \a classId.
+*/
+QProxyScreen::QProxyScreen(int displayId, QScreen::ClassId classId)
+    : QScreen(displayId, classId), realScreen(0), d_ptr(0)
+{
+}
+
+/*!
+    Destroys the proxy screen.
+*/
+QProxyScreen::~QProxyScreen()
+{
+}
+
+/*!
+    Sets the real \a screen to be used by the proxy screen.
+
+    \sa screen()
+*/
+void QProxyScreen::setScreen(QScreen *screen)
+{
+    realScreen = screen;
+    configure();
+}
+
+/*!
+    Returns the real screen used by the proxy screen.
+
+    \sa setScreen()
+*/
+QScreen* QProxyScreen::screen() const
+{
+    return realScreen;
+}
+
+
+/*!
+    \internal
+*/
+void QProxyScreen::configure()
+{
+    if (!realScreen)
+        return;
+
+    d = realScreen->depth();
+    w = realScreen->width();
+    h = realScreen->height();
+    dw = realScreen->deviceWidth();
+    dh = realScreen->deviceHeight();
+    lstep = realScreen->linestep();
+    data = realScreen->base();
+    lstep = realScreen->linestep();
+    size = realScreen->screenSize();
+    physWidth = realScreen->physicalWidth();
+    physHeight = realScreen->physicalHeight();
+    pixeltype = realScreen->pixelType();
+#if Q_BYTE_ORDER == Q_BIG_ENDIAN
+    setFrameBufferLittleEndian(realScreen->frameBufferLittleEndian());
+#endif
+
+    setOffset(realScreen->offset());
+    setPixelFormat(realScreen->pixelFormat());
+
+#ifdef QT_QWS_CLIENTBLIT
+    setSupportsBlitInClients(realScreen->supportsBlitInClients());
+#endif
+}
+
+/*!
+    \internal
+    Returns the display ID that corresponds to the given \a spec.
+*/
+static int getDisplayId(const QString &spec)
+{
+    QRegExp regexp(QLatin1String(":(\\d+)\\b"));
+    if (regexp.lastIndexIn(spec) != -1) {
+        const QString capture = regexp.cap(1);
+        return capture.toInt();
+    }
+    return 0;
+}
+
+/*!
+    \reimp
+*/
+bool QProxyScreen::connect(const QString &displaySpec)
+{
+    const int id = getDisplayId(displaySpec);
+    realScreen = qt_get_screen(id, displaySpec.toLatin1().constData());
+    configure();
+
+    return true;
+}
+
+/*!
+    \reimp
+*/
+void QProxyScreen::exposeRegion(QRegion r, int changing)
+{
+    if (!realScreen) {
+        QScreen::exposeRegion(r, changing);
+        return;
+    }
+
+    realScreen->exposeRegion(r, changing);
+    r &= realScreen->region();
+
+    const QVector<QRect> rects = r.rects();
+    for (int i = 0; i < rects.size(); ++i)
+        setDirty(rects.at(i));
+}
+
+/*!
+    \reimp
+*/
+void QProxyScreen::blit(const QImage &image, const QPoint &topLeft,
+                        const QRegion &region)
+{
+    if (!realScreen) {
+        QScreen::blit(image, topLeft, region);
+        return;
+    }
+
+    realScreen->blit(image, topLeft, region);
+}
+
+/*!
+    \reimp
+*/
+void QProxyScreen::solidFill(const QColor &color, const QRegion &region)
+{
+    if (!realScreen) {
+        QScreen::solidFill(color, region);
+        return;
+    }
+    realScreen->solidFill(color, region);
+}
+
+/*!
+    \reimp
+*/
+QSize QProxyScreen::mapToDevice(const QSize &s) const
+{
+    if (!realScreen)
+        return QScreen::mapToDevice(s);
+
+    return realScreen->mapToDevice(s);
+}
+
+/*!
+    \reimp
+*/
+QSize QProxyScreen::mapFromDevice(const QSize &s) const
+{
+    if (!realScreen)
+        return QScreen::mapFromDevice(s);
+
+    return realScreen->mapFromDevice(s);
+}
+
+/*!
+    \reimp
+*/
+QPoint QProxyScreen::mapToDevice(const QPoint &p, const QSize &s) const
+{
+    if (!realScreen)
+        return QScreen::mapToDevice(p, s);
+
+    return realScreen->mapToDevice(p, s);
+}
+
+/*!
+    \reimp
+*/
+QPoint QProxyScreen::mapFromDevice(const QPoint &p, const QSize &s) const
+{
+    if (!realScreen)
+        return QScreen::mapFromDevice(p, s);
+
+    return realScreen->mapFromDevice(p, s);
+}
+
+/*!
+    \reimp
+*/
+QRect QProxyScreen::mapToDevice(const QRect &r, const QSize &s) const
+{
+    if (!realScreen)
+        return QScreen::mapToDevice(r, s);
+
+    return realScreen->mapToDevice(r, s);
+}
+
+/*!
+    \reimp
+*/
+QRect QProxyScreen::mapFromDevice(const QRect &r, const QSize &s) const
+{
+    if (!realScreen)
+        return QScreen::mapFromDevice(r, s);
+
+    return realScreen->mapFromDevice(r, s);
+}
+
+/*!
+    \reimp
+*/
+QRegion QProxyScreen::mapToDevice(const QRegion &r, const QSize &s) const
+{
+    if (!realScreen)
+        return QScreen::mapToDevice(r, s);
+
+    return realScreen->mapToDevice(r, s);
+}
+
+/*!
+    \reimp
+*/
+QRegion QProxyScreen::mapFromDevice(const QRegion &r, const QSize &s) const
+{
+    if (!realScreen)
+        return QScreen::mapFromDevice(r, s);
+
+    return realScreen->mapFromDevice(r, s);
+}
+
+/*!
+    \reimp
+*/
+void QProxyScreen::disconnect()
+{
+    if (realScreen) {
+        realScreen->disconnect();
+        delete realScreen;
+        realScreen = 0;
+    }
+}
+
+/*!
+*/
+bool QProxyScreen::initDevice()
+{
+    if (realScreen)
+        return realScreen->initDevice();
+
+    return false;
+}
+
+/*!
+    \reimp
+*/
+void QProxyScreen::shutdownDevice()
+{
+    if (realScreen)
+        realScreen->shutdownDevice();
+}
+
+/*!
+    \reimp
+*/
+void QProxyScreen::setMode(int w,int h, int d)
+{
+    if (realScreen) {
+        realScreen->setMode(w, h, d);
+    } else {
+        QScreen::dw = QScreen::w = w;
+        QScreen::dh = QScreen::h = h;
+        QScreen::d = d;
+    }
+    configure();
+    exposeRegion(region(), 0);
+}
+
+/*!
+    \reimp
+*/
+bool QProxyScreen::supportsDepth(int depth) const
+{
+    if (realScreen)
+        return realScreen->supportsDepth(depth);
+    return false;
+}
+
+/*!
+    \reimp
+*/
+void QProxyScreen::save()
+{
+    if (realScreen)
+        realScreen->save();
+    QScreen::save();
+}
+
+/*!
+    \reimp
+*/
+void QProxyScreen::restore()
+{
+    if (realScreen)
+        realScreen->restore();
+    QScreen::restore();
+}
+
+/*!
+    \reimp
+*/
+void QProxyScreen::blank(bool on)
+{
+    if (realScreen)
+        realScreen->blank(on);
+}
+
+/*!
+    \reimp
+*/
+bool QProxyScreen::onCard(const unsigned char *ptr) const
+{
+    if (realScreen)
+        return realScreen->onCard(ptr);
+    return false;
+}
+
+/*!
+    \reimp
+*/
+bool QProxyScreen::onCard(const unsigned char *ptr, ulong &offset) const
+{
+    if (realScreen)
+        return realScreen->onCard(ptr, offset);
+    return false;
+}
+
+/*!
+    \reimp
+*/
+bool QProxyScreen::isInterlaced() const
+{
+    if (realScreen)
+        return realScreen->isInterlaced();
+    return false;
+}
+
+/*!
+    \reimp
+*/
+bool QProxyScreen::isTransformed() const
+{
+    if (realScreen)
+        return realScreen->isTransformed();
+    return QScreen::isTransformed();
+}
+
+/*!
+    \reimp
+*/
+int QProxyScreen::transformOrientation() const
+{
+    if (realScreen)
+        return realScreen->transformOrientation();
+    return QScreen::transformOrientation();
+}
+
+/*!
+\internal
+*/
+int QProxyScreen::memoryNeeded(const QString &str)
+{
+    if (realScreen)
+        return realScreen->memoryNeeded(str);
+    else
+        return QScreen::memoryNeeded(str);
+}
+
+/*!
+\internal
+*/
+int QProxyScreen::sharedRamSize(void *ptr)
+{
+    if (realScreen)
+        return realScreen->sharedRamSize(ptr);
+    else
+        return QScreen::sharedRamSize(ptr);
+}
+
+/*!
+\internal
+*/
+void QProxyScreen::haltUpdates()
+{
+    if (realScreen)
+        realScreen->haltUpdates();
+}
+
+/*!
+\internal
+*/
+void QProxyScreen::resumeUpdates()
+{
+    if (realScreen)
+        realScreen->resumeUpdates();
+}
+
+/*!
+    \reimp
+*/
+void QProxyScreen::setDirty(const QRect &rect)
+{
+    if (realScreen)
+        realScreen->setDirty(rect);
+}
+
+/*!
+    \reimp
+*/
+QWSWindowSurface* QProxyScreen::createSurface(QWidget *widget) const
+{
+    if (realScreen)
+        return realScreen->createSurface(widget);
+
+    return QScreen::createSurface(widget);
+}
+
+/*!
+    \reimp
+*/
+QWSWindowSurface* QProxyScreen::createSurface(const QString &key) const
+{
+    if (realScreen)
+        return realScreen->createSurface(key);
+
+    return QScreen::createSurface(key);
+}
+
+/*!
+    \reimp
+*/
+QList<QScreen*> QProxyScreen::subScreens() const
+{
+    if (realScreen)
+        return realScreen->subScreens();
+
+    return QScreen::subScreens();
+}
+
+/*!
+    \reimp
+*/
+QRegion QProxyScreen::region() const
+{
+    if (realScreen)
+        return realScreen->region();
+    else
+        return QScreen::region();
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_QWS_PROXYSCREEN