C++ (Cpp) qws_dataDir Examples

Example #1

File: qvfbview.cpp Project: Miguel-J/eneboo-core

void QVFbView::initLock()
{
    QString username = "******";
    const char *logname = getenv("LOGNAME");
    if ( logname )
	username = logname;
    qwslock = new QLock(qws_dataDir() + QString( QTE_PIPE ).arg( displayid ),
			'd', TRUE);
}

Example #2

File: qfontengine_qpf.cpp Project: pk-codebox-evo/remixos-usb-tool

QString qws_fontCacheDir()
{
    QString dir;
#if defined(Q_WS_QWS)
    extern QString qws_dataDir();
    dir = qws_dataDir();
#else
    dir = QDir::tempPath();
#endif
    dir.append(QLatin1String("/fonts/"));
    QDir qd(dir);
    if (!qd.exists() && !qd.mkpath(dir))
        dir = QDir::tempPath();
    return dir;
}

Example #3

File: qvfbshmem.cpp Project: AtlantisCD9/Qt

QShMemViewProtocol::QShMemViewProtocol(int displayid, const QSize &s,
                                       int d, QObject *parent)
    : QVFbViewProtocol(displayid, parent), hdr(0), dataCache(0), lockId(-1),
      windowId(0)
{
    int w = s.width();
    int h = s.height();

    QString username = "******";
    const char *logname = getenv("LOGNAME");
    if ( logname )
        username = logname;

    qws_dataDir(displayid);

    {
        QString oldPipe = "/tmp/qtembedded-" + username + "/" + QString("QtEmbedded-%1").arg(displayid);
        QLock oldPipeLock(oldPipe, 'd', false);
        if (oldPipeLock.isValid()) {
            perror("QShMemViewProtocol::QShMemViewProtocol");
            qFatal("Cannot create lock file as an old version of QVFb has "
                   "opened %s. Close other QVFb and try again",
                   oldPipe.toLatin1().constData());
        }
    }

    displayPipe = QTE_PIPE_QVFB(displayid);

    kh = new QVFbKeyPipeProtocol(displayid);
    /* should really depend on receiving qt version, but how can
       one tell? */
    mh = new QVFbMousePipe(displayid);

    QString mousePipe = mh->pipeName();

    key_t key = ftok(mousePipe.toLatin1().constData(), 'b');

    int bpl;
    if (d < 8)
	bpl = (w * d + 7) / 8;
    else
        bpl = w * ((d + 7) / 8);

    displaySize = bpl * h;

    unsigned char *data;
    uint data_offset_value = sizeof(QVFbHeader);

    int dataSize = bpl * h + data_offset_value;
    shmId = shmget(key, dataSize, IPC_CREAT | 0600);
    if (shmId != -1)
	data = (unsigned char *)shmat(shmId, 0, 0);
    else {
	struct shmid_ds shm;
	shmctl(shmId, IPC_RMID, &shm);
    shmId = shmget(key, dataSize, IPC_CREAT | 0600);
	if (shmId == -1) {
            perror("QShMemViewProtocol::QShMemViewProtocol");
            qFatal("Cannot get shared memory 0x%08x", key);
        }
	data = (unsigned char *)shmat(shmId, 0, 0);
    }

    if ((long)data == -1) {
        delete kh;
        delete mh;
        perror("QShMemViewProtocol::QShMemViewProtocol");
        qFatal("Cannot attach to shared memory %d",shmId);
    }
    dataCache = (unsigned char *)malloc(displaySize);
    memset(dataCache, 0, displaySize);
    memset(data+sizeof(QVFbHeader), 0, displaySize);

    hdr = (QVFbHeader *)data;
    hdr->width = w;
    hdr->height = h;
    hdr->depth = d;
    hdr->linestep = bpl;
    hdr->dataoffset = data_offset_value;
    hdr->update = QRect();
    hdr->dirty = 0;
    hdr->numcols = 0;
    hdr->viewerVersion = QT_VERSION;
    hdr->brightness = 255;
    hdr->windowId = 0;

    displayPiped = displayPipe + 'd';


    mRefreshTimer = new QTimer(this);
    connect(mRefreshTimer, SIGNAL(timeout()), this, SLOT(flushChanges()));
}