QList<QPrinter::PaperSize> QPrinterInfo::supportedPaperSizes() const
{
#if !defined(QT_NO_CUPS) && !defined(QT_NO_LIBRARY)
const Q_D(QPrinterInfo);
if (isNull())
return d->paperSizes;
if (!d->hasPaperSizes) {
d->hasPaperSizes = true;
if (QCUPSSupport::isAvailable()) {
// Find paper sizes from CUPS.
QCUPSSupport cups;
cups.setCurrentPrinter(d->cupsPrinterIndex);
const ppd_option_t* sizes = cups.pageSizes();
if (sizes) {
for (int j = 0; j < sizes->num_choices; ++j)
d->paperSizes.append(string2PaperSize(sizes->choices[j].choice));
}
}
}
return d->paperSizes;
#else
return QList<QPrinter::PaperSize>();
#endif
}
QList<QPrinter::PaperSize> QCUPSSupport::getCupsPrinterPaperSizes(int cupsPrinterIndex)
{
QList<QPrinter::PaperSize> result;
if (!QCUPSSupport::isAvailable() || cupsPrinterIndex < 0)
return result;
// Find paper sizes from CUPS.
QCUPSSupport cups;
cups.setCurrentPrinter(cupsPrinterIndex);
if (const ppd_option_t* size = cups.pageSizes()) {
for (int j = 0; j < size->num_choices; ++j)
result.append(string2PaperSize(size->choices[j].choice));
}
return result;
}
void QCupsPrintEnginePrivate::setCupsDefaults()
{
if (QCUPSSupport::isAvailable()) {
int cupsPrinterIndex = -1;
QCUPSSupport cups;
const cups_dest_t* printers = cups.availablePrinters();
int prnCount = cups.availablePrintersCount();
for (int i = 0; i < prnCount; ++i) {
QString name = QString::fromLocal8Bit(printers[i].name);
if (name == printerName) {
cupsPrinterIndex = i;
break;
}
}
if (cupsPrinterIndex < 0)
return;
cups.setCurrentPrinter(cupsPrinterIndex);
if (cups.currentPPD()) {
const ppd_option_t *ppdDuplex = cups.ppdOption("Duplex");
if (ppdDuplex) {
if (qstrcmp(ppdDuplex->defchoice, "DuplexTumble") == 0)
duplex = QPrinter::DuplexShortSide;
else if (qstrcmp(ppdDuplex->defchoice, "DuplexNoTumble") == 0)
duplex = QPrinter::DuplexLongSide;
else
duplex = QPrinter::DuplexNone;
}
grayscale = !cups.currentPPD()->color_device;
const ppd_option_t *ppdCollate = cups.ppdOption("Collate");
if (ppdCollate)
collate = qstrcmp(ppdCollate->defchoice, "True") == 0;
const ppd_option_t* pageSizes = cups.pageSizes();
QByteArray cupsPageSize;
for (int i = 0; i < pageSizes->num_choices; ++i) {
if (static_cast<int>(pageSizes->choices[i].marked) == 1)
cupsPageSize = pageSizes->choices[i].choice;
}
cupsOptions = cups.options();
cupsPaperRect = cups.paperRect(cupsPageSize);
cupsPageRect = cups.pageRect(cupsPageSize);
for (int ps = 0; ps < QPrinter::NPageSize; ++ps) {
QPdf::PaperSize size = QPdf::paperSize(QPrinter::PaperSize(ps));
if (qAbs(size.width - cupsPaperRect.width()) < 5 && qAbs(size.height - cupsPaperRect.height()) < 5) {
printerPaperSize = static_cast<QPrinter::PaperSize>(ps);
leftMargin = cupsPageRect.x() - cupsPaperRect.x();
topMargin = cupsPageRect.y() - cupsPaperRect.y();
rightMargin = cupsPaperRect.right() - cupsPageRect.right();
bottomMargin = cupsPaperRect.bottom() - cupsPageRect.bottom();
updatePaperSize();
break;
}
}
}
}
}