QList<QPrinterInfo> QPrinterInfo::availablePrinters()
{
QList<QPrinterInfo> printers;
DWORD needed = 0;
DWORD returned = 0;
if (!EnumPrinters(PRINTER_ENUM_LOCAL | PRINTER_ENUM_CONNECTIONS, NULL, 4, 0, 0, &needed, &returned)) {
LPBYTE buffer = new BYTE[needed];
if (EnumPrinters(PRINTER_ENUM_LOCAL | PRINTER_ENUM_CONNECTIONS, NULL, 4, buffer, needed, &needed, &returned)) {
PPRINTER_INFO_4 infoList = reinterpret_cast<PPRINTER_INFO_4>(buffer);
QPrinterInfo defPrn = defaultPrinter();
for (uint i = 0; i < returned; ++i) {
QString printerName(QString::fromWCharArray(infoList[i].pPrinterName));
QPrinterInfo printerInfo(printerName);
if (printerInfo.printerName() == defPrn.printerName())
printerInfo.d_ptr->isDefault = true;
printers.append(printerInfo);
}
}
delete [] buffer;
}
return printers;
}
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;
}
QPrinterInfo QPrinterInfo::defaultPrinter()
{
QString noPrinters(QLatin1String("qt_no_printers"));
wchar_t buffer[256];
GetProfileString(L"windows", L"device", (wchar_t*)noPrinters.utf16(), buffer, 256);
QString output = QString::fromWCharArray(buffer);
if (output != noPrinters) {
// Filter out the name of the printer, which should be everything before a comma.
QString printerName = output.split(QLatin1Char(',')).value(0);
QPrinterInfo printerInfo(printerName);
printerInfo.d_ptr->isDefault = true;
return printerInfo;
}
return QPrinterInfo();
}
