qapplication_qws.cpp

奇趣公司比较新的qt/emd版本

void QWSDisplay::requestFocus(int winId, bool get)
{
    QWSRequestFocusCommand cmd;
    cmd.simpleData.windowid = winId;
    cmd.simpleData.flag = get;
    if (d->directServerConnection())
        qwsServer->d_func()->request_focus(&cmd);
    else
        d->sendCommand(cmd);
}

void QWSDisplay::setIdentity(const QString &appName)
{
    QWSIdentifyCommand cmd;
#ifdef QT_NO_QWS_MULTIPROCESS
    const int id = -1;
#else
    const int id = QWSDisplay::Data::clientLock ? QWSDisplay::Data::clientLock->id() : -1;
#endif
    cmd.setId(appName, id);
    if (d->directServerConnection())
        qwsServer->d_func()->set_identity(&cmd);
    else
        d->sendCommand(cmd);
}

void QWSDisplay::nameRegion(int winId, const QString& n, const QString &c)
{
    QWSRegionNameCommand cmd;
    cmd.simpleData.windowid = winId;
    cmd.setName(n, c);
    if (d->directServerConnection())
        qwsServer->d_func()->name_region(&cmd);
    else
        d->sendCommand(cmd);
}

void QWSDisplay::requestRegion(int winId, const QString &surfaceKey,
                               const QByteArray &surfaceData,
                               const QRegion &region)
{
    if (d->directServerConnection()) {
        qwsServer->d_func()->request_region(winId, surfaceKey,
                                            surfaceData, region);
    } else {
        QWSRegionCommand cmd;
        cmd.setData(winId, surfaceKey, surfaceData, region);
        d->sendSynchronousCommand(cmd);
    }
}

void QWSDisplay::repaintRegion(int winId, int windowFlags, bool opaque, QRegion r)
{
    if (d->directServerConnection()) {
        qwsServer->d_func()->repaint_region(winId, windowFlags, opaque, r);
    } else {
        QVector<QRect> ra = r.rects();

        /*
          for (int i = 0; i < ra.size(); i++) {
          QRect r(ra[i]);
          qDebug("rect: %d %d %d %d", r.x(), r.y(), r.right(), r.bottom());
          }
        */

        QWSRepaintRegionCommand cmd;
    /* XXX QWSRegionCommand is padded out in a compiler dependent way.
       Zeroed out to avoid valgrind reporting uninitialized memory usage.
       */
#ifdef QT_DEBUG
        memset(cmd.simpleDataPtr, 0, sizeof(cmd.simpleData)); //shut up Valgrind
#endif
        cmd.simpleData.windowid = winId;
        cmd.simpleData.windowFlags = windowFlags;
        cmd.simpleData.opaque = opaque;
        cmd.simpleData.nrectangles = ra.count();
        cmd.setData(reinterpret_cast<const char *>(ra.constData()),
                    ra.count() * sizeof(QRect), false);

        d->sendSynchronousCommand(cmd);
    }
}


void QWSDisplay::moveRegion(int winId, int dx, int dy)
{
    QWSRegionMoveCommand cmd;
    cmd.simpleData.windowid = winId;
    cmd.simpleData.dx = dx;
    cmd.simpleData.dy = dy;

    if (d->directServerConnection()) {
        qwsServer->d_func()->move_region(&cmd);
    } else {
        d->sendSynchronousCommand(cmd);
    }
//    d->offsetPendingExpose(winId, QPoint(cmd.simpleData.dx, cmd.simpleData.dy));
}

void QWSDisplay::destroyRegion(int winId)
{
    QWSRegionDestroyCommand cmd;
    cmd.simpleData.windowid = winId;
    if (d->directServerConnection()) {
        qwsServer->d_func()->destroy_region(&cmd);
    } else {
        d->sendCommand(cmd);
    }
}

#ifndef QT_NO_QWS_INPUTMETHODS

void QWSDisplay::sendIMUpdate(int type, int winId, int widgetid)
{
    QWSIMUpdateCommand cmd;
    cmd.simpleData.windowid = winId;
    cmd.simpleData.widgetid = widgetid;

    cmd.simpleData.type = type;

      if (d->directServerConnection()) {
        qwsServer->d_func()->im_update(&cmd);
    } else {
        d->sendCommand(cmd);
    }
}

void QWSDisplay::sendIMResponse(int winId, int property, const QVariant &result)
{
    QWSIMResponseCommand cmd;
    cmd.simpleData.windowid = winId;
    cmd.simpleData.property = property;

    cmd.setResult(result);

    if (d->directServerConnection()) {
        qwsServer->d_func()->im_response(&cmd);
    } else {
        d->sendCommand(cmd);
    }
}

void QWSDisplay::resetIM()
{
    sendIMUpdate(QWSInputMethod::Reset, -1, -1);
}

void QWSDisplay::sendIMMouseEvent(int index, bool isPress)
{
    QWSIMMouseCommand cmd;
    cmd.simpleData.index = index;
    cmd.simpleData.state = isPress ? QWSServer::MousePress : QWSServer::MouseRelease;
    if (d->directServerConnection()) {
        qwsServer->d_func()->send_im_mouse(&cmd);
    } else {
        d->sendCommand(cmd);
    }
}

#endif

int QWSDisplay::takeId()
{
    return d->takeId();
}

bool QWSDisplay::initLock(const QString &filename, bool create)
{
    if (!lock) {
        lock = new QLock(filename, 'd', create);

        if (!lock->isValid()) {
            delete lock;
            lock = 0;
            return false;
        }
    }

    return true;
}

void QWSDisplay::setSelectionOwner(int winId, const QTime &time)
{
    QWSSetSelectionOwnerCommand cmd;
    cmd.simpleData.windowid = winId;
    cmd.simpleData.hour = time.hour();
    cmd.simpleData.minute = time.minute();
    cmd.simpleData.sec = time.second();
    cmd.simpleData.ms = time.msec();
    d->sendCommand(cmd);
}

void QWSDisplay::convertSelection(int winId, int selectionProperty, const QString &mimeTypes)
{
#ifdef QT_NO_QWS_PROPERTIES
    Q_UNUSED(mimeTypes);
#else
    // ### we need the atom/property thingy like in X here
    addProperty(winId, QT_QWS_PROPERTY_CONVERTSELECTION);
    setProperty(winId, QT_QWS_PROPERTY_CONVERTSELECTION,
                 int(QWSPropertyManager::PropReplace), mimeTypes.toLatin1());
#endif
    QWSConvertSelectionCommand cmd;
    cmd.simpleData.requestor = winId;
    cmd.simpleData.selection = selectionProperty;
    cmd.simpleData.mimeTypes = QT_QWS_PROPERTY_CONVERTSELECTION;
    d->sendCommand(cmd);
}

void QWSDisplay::defineCursor(int id, const QBitmap &curs, const QBitmap &mask,
                            int hotX, int hotY)
{
    QImage cursImg = curs.toImage();
    QImage maskImg = mask.toImage();

    QWSDefineCursorCommand cmd;
    cmd.simpleData.width = curs.width();
    cmd.simpleData.height = curs.height();
    cmd.simpleData.hotX = hotX;
    cmd.simpleData.hotY = hotY;
    cmd.simpleData.id = id;


    // must copy each scanline since there might be gaps between them
    const int height = curs.height();
    const int width = curs.width();
    const int dst_bpl = (width + 7) / 8;

    int dataLen = dst_bpl * height;
    uchar *data = new uchar[dataLen*2];
    uchar *dst = data;

    int src_bpl = cursImg.bytesPerLine();
    const uchar *cursSrc = cursImg.bits();
    for (int i = 0; i < height; ++i) {
        memcpy(dst, cursSrc + i*src_bpl, dst_bpl);
        dst += dst_bpl;
    }

    src_bpl = maskImg.bytesPerLine();
    const uchar *maskSrc = maskImg.bits();
    for (int i = 0; i < height; ++i) {
        memcpy(dst, maskSrc + i*src_bpl, dst_bpl);
        dst += dst_bpl;
    }

    cmd.setData(reinterpret_cast<char*>(data), dataLen*2);
    delete [] data;
    d->sendCommand(cmd);
}

void QWSDisplay::destroyCursor(int id)
{
    QWSDefineCursorCommand cmd;
    cmd.simpleData.width = 0;
    cmd.simpleData.height = 0;
    cmd.simpleData.hotX = 0;
    cmd.simpleData.hotY = 0;
    cmd.simpleData.id = id;
    cmd.setData(0, 0);

    d->sendCommand(cmd);
}

#ifndef QT_NO_SOUND
void QWSDisplay::playSoundFile(const QString& f)
{
    QWSPlaySoundCommand cmd;
    cmd.setFileName(f);
    d->sendCommand(cmd);
}
#endif

#ifndef QT_NO_COP
void QWSDisplay::registerChannel(const QString& channel)
{
    QWSQCopRegisterChannelCommand reg;
    reg.setChannel(channel);
    qt_fbdpy->d->sendCommand(reg);
}

void QWSDisplay::sendMessage(const QString &channel, const QString &msg,
                   const QByteArray &data)
{
    QWSQCopSendCommand com;
    com.setMessage(channel, msg, data);
    qt_fbdpy->d->sendCommand(com);
}

void QWSDisplay::flushCommands()
{
    qt_fbdpy->d->flushCommands();
}

/*
  caller deletes result
*/
QWSQCopMessageEvent* QWSDisplay::waitForQCopResponse()
{
    qt_fbdpy->d->waitForQCopResponse();
    QWSQCopMessageEvent *e = static_cast<QWSQCopMessageEvent*>(qt_fbdpy->d->dequeue());
    Q_ASSERT(e->type == QWSEvent::QCopMessage);
    return e;
}
#endif

void QWSDisplay::sendFontCommand(int type, const QByteArray &fontName)
{
    QWSFontCommand cmd;
    cmd.simpleData.type = type;
    cmd.setFontName(fontName);
    d->sendCommand(cmd);
}

void QWSDisplay::setWindowCaption(QWidget *w, const QString &c)
{
    if (w->isWindow()) {
        nameRegion(w->internalWinId(), w->objectName(), c);
        static_cast<QETWidget *>(w)->repaintDecoration(qApp->desktop()->rect(), true);
    }
}

void QWSDisplay::selectCursor(QWidget *w, unsigned int cursId)
{
    if (cursId != qt_last_cursor)
    {
        QWidget *top = w->window();
        qt_last_cursor = cursId;
        QWSSelectCursorCommand cmd;
        cmd.simpleData.windowid = top->internalWinId();
        cmd.simpleData.id = cursId;
        d->sendCommand(cmd);
        d->flush();
    }
}

void QWSDisplay::setCursorPosition(int x, int y)
{
    QWSPositionCursorCommand cmd;
    cmd.simpleData.newX = x;
    cmd.simpleData.newY = y;
    d->sendCommand(cmd);
    d->flush();
}

void QWSDisplay::grabMouse(QWidget *w, bool grab)
{
    QWidget *top = w->window();
    QWSGrabMouseCommand cmd;
#ifdef QT_DEBUG
    memset(cmd.simpleDataPtr, 0, sizeof(cmd.simpleData)); //shut up Valgrind
#endif
    cmd.simpleData.windowid = top->winId();
    cmd.simpleData.grab = grab;
    d->sendCommand(cmd);
    d->flush();
}

void QWSDisplay::grabKeyboard(QWidget *w, bool grab)
{
    QWidget *top = w->window();
    QWSGrabKeyboardCommand cmd;
#ifdef QT_DEBUG
    memset(cmd.simpleDataPtr, 0, sizeof(cmd.simpleData)); //shut up Valgrind
#endif
    cmd.simpleData.windowid = top->winId();
    cmd.simpleData.grab = grab;
    d->sendCommand(cmd);
    d->flush();
}

QList<QWSWindowInfo> QWSDisplay::windowList()
{
    QList<QWSWindowInfo> ret;
    if(d->directServerConnection()) {
        QList<QWSInternalWindowInfo*> * qin=QWSServer::windowList();
        for (int i = 0; i < qin->count(); ++i) {
            QWSInternalWindowInfo * qwi = qin->at(i);
            QWSWindowInfo tmp;
            tmp.winid = qwi->winid;
            tmp.clientid = qwi->clientid;
            tmp.name = QString(qwi->name);
            ret.append(tmp);
        }
        qDeleteAll(*qin);
        delete qin;
    }
    return ret;
}

int QWSDisplay::windowAt(const QPoint &p)
{
    //### currently only implemented for the server process
    int ret = 0;
    if(d->directServerConnection()) {
        QWSWindow *win = qwsServer->windowAt(p);
        if (win)
            return win->winId();
    }
    return ret;
}

void QWSDisplay::setRawMouseEventFilter(void (*filter)(QWSMouseEvent *))
{
    if (qt_fbdpy)
        qt_fbdpy->d->setMouseFilter(filter);
}

#ifdef QT_QWS_DYNAMIC_TRANSFORMATION
#ifdef QT_QWS_TRANSFORMED
extern void qws_setScreenTransformation(int);
extern void qws_mapPixmaps(bool from);
#endif

void QWSDisplay::setTransformation(int t)
{
#ifdef QT_QWS_TRANSFORMED

    QApplicationPrivate *ap = QApplicationPrivate::instance();
    const QRect maxWindowRect = ap->maxWindowRect(qt_screen);
    bool isFullScreen = maxWindowRect == QRect(0, 0, qt_screen->width(), qt_screen->height());

    QPixmapCache::clear();
    QFontCache::instance->clear();
    qws_mapPixmaps(true);
    qws_setScreenTransformation(t);
    qws_mapPixmaps(false);

    if (qt_fbdpy->d_func()->directServerConnection()) {
        qwsServer->d_func()->resetEngine();
        qwsServer->d_func()->refresh();
    }

    QSize olds = qApp->desktop()->size();
    qApp->desktop()->resize(qt_screen->width(), qt_screen->height());
    // ## why post the resize event?
    qApp->postEvent(qApp->desktop(), new QResizeEvent(qApp->desktop()->size(), olds));
    emit QApplication::desktop()->resized(0);

    QWidgetList  list = QApplication::topLevelWidgets();
    for (int i = list.size()-1; i >= 0; --i) {
        QWidget *w = (QWidget*)list[i];

        if ((w->windowType() == Qt::Desktop)) {
            //nothing
        } else if (w->testAttribute(Qt::WA_WState_FullScreen)) {
            w->resize(qt_screen->width(), qt_screen->height());