QVFbMousePipe::QVFbMousePipe(int display_id)
: QVFbMouseProtocol(display_id)
{
fileName = QT_VFB_MOUSE_PIPE(display_id);
fd = openPipe(fileName.toLocal8Bit().constData());
if (fd == -1)
qFatal("Cannot open mouse pipe %s", fileName.toLocal8Bit().data());
}
bool QVFbScreen::initDevice()
{
#ifndef QT_NO_QWS_MOUSE_QVFB
const QString mouseDev = QT_VFB_MOUSE_PIPE(displayId);
d_ptr->mouse = new QVFbMouseHandler(QLatin1String("QVFbMouse"), mouseDev);
qwsServer->setDefaultMouse("None");
if (d_ptr->mouse)
d_ptr->mouse->setScreen(this);
#endif
#if !defined(QT_NO_QWS_KBD_QVFB) && !defined(QT_NO_QWS_KEYBOARD)
const QString keyboardDev = QT_VFB_KEYBOARD_PIPE(displayId);
d_ptr->keyboard = new QVFbKeyboardHandler(keyboardDev);
qwsServer->setDefaultKeyboard("None");
#endif
if (d_ptr->hdr->dataoffset >= (int)sizeof(QVFbHeader))
d_ptr->hdr->serverVersion = QT_VERSION;
if(d==8) {
screencols=256;
if (grayscale) {
// Build grayscale palette
for(int loopc=0;loopc<256;loopc++) {
screenclut[loopc]=qRgb(loopc,loopc,loopc);
}
} else {
// 6x6x6 216 color cube
int idx = 0;
for(int ir = 0x0; ir <= 0xff; ir+=0x33) {
for(int ig = 0x0; ig <= 0xff; ig+=0x33) {
for(int ib = 0x0; ib <= 0xff; ib+=0x33) {
screenclut[idx]=qRgb(ir, ig, ib);
idx++;
}
}
}
screencols=idx;
}
memcpy(d_ptr->hdr->clut, screenclut, sizeof(QRgb) * screencols);
d_ptr->hdr->numcols = screencols;
} else if (d == 4) {
int val = 0;
for (int idx = 0; idx < 16; idx++, val += 17) {
screenclut[idx] = qRgb(val, val, val);
}
screencols = 16;
memcpy(d_ptr->hdr->clut, screenclut, sizeof(QRgb) * screencols);
d_ptr->hdr->numcols = screencols;
} else if (d == 1) {
screencols = 2;
screenclut[1] = qRgb(0xff, 0xff, 0xff);
screenclut[0] = qRgb(0, 0, 0);
memcpy(d_ptr->hdr->clut, screenclut, sizeof(QRgb) * screencols);
d_ptr->hdr->numcols = screencols;
}
#ifndef QT_NO_QWS_CURSOR
QScreenCursor::initSoftwareCursor();
#endif
return true;
}
bool QVFbScreen::connect(const QString &displaySpec)
{
QStringList displayArgs = displaySpec.split(QLatin1Char(':'));
if (displayArgs.contains(QLatin1String("Gray")))
grayscale = true;
key_t key = ftok(QT_VFB_MOUSE_PIPE(displayId).toLocal8Bit(), 'b');
if (key == -1)
return false;
#if Q_BYTE_ORDER == Q_BIG_ENDIAN
#ifndef QT_QWS_FRAMEBUFFER_LITTLE_ENDIAN
if (displayArgs.contains(QLatin1String("littleendian")))
#endif
QScreen::setFrameBufferLittleEndian(true);
#endif
int shmId = shmget(key, 0, 0);
if (shmId != -1)
d_ptr->shmrgn = (unsigned char *)shmat(shmId, 0, 0);
else
return false;
if ((long)d_ptr->shmrgn == -1 || d_ptr->shmrgn == 0) {
qDebug("No shmrgn %ld", (long)d_ptr->shmrgn);
return false;
}
d_ptr->hdr = (QVFbHeader *)d_ptr->shmrgn;
data = d_ptr->shmrgn + d_ptr->hdr->dataoffset;
dw = w = d_ptr->hdr->width;
dh = h = d_ptr->hdr->height;
d = d_ptr->hdr->depth;
switch (d) {
case 1:
setPixelFormat(QImage::Format_Mono);
break;
case 8:
setPixelFormat(QImage::Format_Indexed8);
break;
case 12:
setPixelFormat(QImage::Format_RGB444);
break;
case 15:
setPixelFormat(QImage::Format_RGB555);
break;
case 16:
setPixelFormat(QImage::Format_RGB16);
break;
case 18:
setPixelFormat(QImage::Format_RGB666);
break;
case 24:
setPixelFormat(QImage::Format_RGB888);
break;
case 32:
setPixelFormat(QImage::Format_ARGB32_Premultiplied);
break;
}
lstep = d_ptr->hdr->linestep;
// Handle display physical size spec.
int dimIdxW = -1;
int dimIdxH = -1;
for (int i = 0; i < displayArgs.size(); ++i) {
if (displayArgs.at(i).startsWith(QLatin1String("mmWidth"))) {
dimIdxW = i;
break;
}
}
for (int i = 0; i < displayArgs.size(); ++i) {
if (displayArgs.at(i).startsWith(QLatin1String("mmHeight"))) {
dimIdxH = i;
break;
}
}
if (dimIdxW >= 0) {
bool ok;
int pos = 7;
if (displayArgs.at(dimIdxW).at(pos) == QLatin1Char('='))
++pos;
int pw = displayArgs.at(dimIdxW).mid(pos).toInt(&ok);
if (ok) {
physWidth = pw;
if (dimIdxH < 0)
physHeight = dh*physWidth/dw;
}
}
if (dimIdxH >= 0) {
bool ok;
int pos = 8;
if (displayArgs.at(dimIdxH).at(pos) == QLatin1Char('='))
++pos;
int ph = displayArgs.at(dimIdxH).mid(pos).toInt(&ok);
if (ok) {
physHeight = ph;
if (dimIdxW < 0)
physWidth = dw*physHeight/dh;
}
}
if (dimIdxW < 0 && dimIdxH < 0) {
const int dpi = 72;
physWidth = qRound(dw * 25.4 / dpi);
physHeight = qRound(dh * 25.4 / dpi);
}
qDebug("Connected to VFB server %s: %d x %d x %d %dx%dmm (%dx%ddpi)", displaySpec.toLatin1().data(),
w, h, d, physWidth, physHeight, qRound(dw*25.4/physWidth), qRound(dh*25.4/physHeight) );
size = lstep * h;
mapsize = size;
screencols = d_ptr->hdr->numcols;
memcpy(screenclut, d_ptr->hdr->clut, sizeof(QRgb) * screencols);
connected = this;
if (qgetenv("QT_QVFB_BGR").toInt())
pixeltype = BGRPixel;
return true;
}