source: trunk/src/gui/painting/qprinterinfo_pm.cpp@ 808

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#include "qprinterinfo.h"

#if !defined(QT_NO_CUPS)
#  include <private/qcups_p.h>
#  include <cups/cups.h>
#  include <private/qpdf_p.h>
#endif

QT_BEGIN_NAMESPACE

#ifndef QT_NO_PRINTER

class QPrinterInfoPrivate
{
Q_DECLARE_PUBLIC(QPrinterInfo)
public:
    QPrinterInfoPrivate();
    QPrinterInfoPrivate(const QString& name);
    ~QPrinterInfoPrivate();

    static QPrinter::PaperSize string2PaperSize(const QString& str);
    static QString pageSize2String(QPrinter::PaperSize size);

private:
    QString                     m_name;
    bool                        m_isNull;
    bool                        m_default;
    mutable bool                m_mustGetPaperSizes;
    mutable QList<QPrinter::PaperSize> m_paperSizes;
    int                         m_cupsPrinterIndex;

    QPrinterInfo*               q_ptr;
};

static QPrinterInfoPrivate nullQPrinterInfoPrivate;

class QPrinterInfoPrivateDeleter
{
public:
    static inline void cleanup(QPrinterInfoPrivate *d)
    {
        if (d != &nullQPrinterInfoPrivate)
            delete d;
    }
};

/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////

QList<QPrinterInfo> QPrinterInfo::availablePrinters()
{
    QList<QPrinterInfo> list;

#if !defined(QT_NO_CUPS)
    QCUPSSupport cups;
    if (QCUPSSupport::isAvailable()) {
        //const ppd_file_t* cupsPPD = cups.currentPPD();
        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);
            list.append(QPrinterInfo(printerName));
            if (cupsPrinters[i].is_default)
                list[i].d_ptr->m_default = true;
            list[i].d_ptr->m_cupsPrinterIndex = i;
        }
    }
#endif

    return list;
}

QPrinterInfo QPrinterInfo::defaultPrinter()
{
    QList<QPrinterInfo> prnList = availablePrinters();
    for (int i = 0; i < prnList.size(); ++i) {
        if (prnList[i].isDefault())
            return prnList[i];
    }
    return (prnList.size() > 0) ? prnList[0] : QPrinterInfo();
}

QPrinterInfo::QPrinterInfo()
    : d_ptr(&nullQPrinterInfoPrivate)
{
}

QPrinterInfo::QPrinterInfo(const QPrinterInfo& src)
    : d_ptr(&nullQPrinterInfoPrivate)
{
    *this = src;
}

QPrinterInfo::QPrinterInfo(const QPrinter& printer)
    : d_ptr(new QPrinterInfoPrivate(printer.printerName()))
{

    Q_D(QPrinterInfo);
    d->q_ptr = this;

#if !defined(QT_NO_CUPS)
    QCUPSSupport cups;
    if (QCUPSSupport::isAvailable()) {
        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);
            if (printerName == printer.printerName()) {
                if (cupsPrinters[i].is_default)
                    d->m_default = true;