QList<QPrinterInfo> QPrinterInfo::availablePrinters()
{
QList<QPrinterInfo> printers;
#if !defined(QT_NO_CUPS) && !defined(QT_NO_LIBRARY)
if (QCUPSSupport::isAvailable()) {
QCUPSSupport cups;
int cupsPrinterCount = cups.availablePrintersCount();
const cups_dest_t* cupsPrinters = cups.availablePrinters();
for (int i = 0; i < cupsPrinterCount; ++i) {
QString printerName(QString::fromLocal8Bit(cupsPrinters[i].name));
if (cupsPrinters[i].instance)
printerName += QLatin1Char('/') + QString::fromLocal8Bit(cupsPrinters[i].instance);
QPrinterInfo printerInfo(printerName);
if (cupsPrinters[i].is_default)
printerInfo.d_ptr->isDefault = true;
printerInfo.d_ptr->cupsPrinterIndex = i;
printers.append(printerInfo);
}
} else
#endif
{
QList<QPrinterDescription> lprPrinters;
int defprn = qt_getLprPrinters(lprPrinters);
// populating printer combo
foreach (const QPrinterDescription &description, lprPrinters)
printers.append(QPrinterInfo(description.name));
if (defprn >= 0 && defprn < printers.size())
printers[defprn].d_ptr->isDefault = true;
}
return printers;
}
QList<QCUPSSupport::Printer> QCUPSSupport::availableUnixPrinters()
{
QList<Printer> printers;
if (QCUPSSupport::isAvailable()) {
QCUPSSupport cups;
int cupsPrinterCount = cups.availablePrintersCount();
const cups_dest_t* cupsPrinters = cups.availablePrinters();
for (int i = 0; i < cupsPrinterCount; ++i) {
QString printerName(QString::fromLocal8Bit(cupsPrinters[i].name));
if (cupsPrinters[i].instance)
printerName += QLatin1Char('/') + QString::fromLocal8Bit(cupsPrinters[i].instance);
Printer p(printerName);
if (cupsPrinters[i].is_default)
p.isDefault = true;
p.cupsPrinterIndex = i;
printers.append(p);
}
}
return printers;
}
QT_BEGIN_NAMESPACE
QCupsPrintEngine::QCupsPrintEngine(QPrinter::PrinterMode m)
: QPdfPrintEngine(*new QCupsPrintEnginePrivate(m))
{
Q_D(QCupsPrintEngine);
if (QCUPSSupport::isAvailable()) {
QCUPSSupport cups;
const cups_dest_t* printers = cups.availablePrinters();
int prnCount = cups.availablePrintersCount();
for (int i = 0; i < prnCount; ++i) {
if (printers[i].is_default) {
d->printerName = QString::fromLocal8Bit(printers[i].name);
d->setCupsDefaults();
break;
}
}
}
state = QPrinter::Idle;
}
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;
}
}
}
}
}