src/gui/dialogs/qprintdialog_unix.cpp File Reference

#include "qplatformdefs.h"
#include "private/qabstractprintdialog_p.h"
#include <QtGui/qapplication.h>
#include <QtGui/qcheckbox.h>
#include <QtCore/qlibrary.h>
#include <QtCore/qlist.h>
#include <QtGui/qprinter.h>
#include <QtGui/qtreeview.h>
#include <QtGui/qlistview.h>
#include <QtGui/qevent.h>
#include <QtGui/qmessagebox.h>
#include "qprintdialog.h"
#include "qfiledialog.h"
#include <QtCore/qdebug.h>
#include <QtCore/qobject.h>
#include <QtGui/qabstractprintdialog.h>
#include <QtGui/qitemdelegate.h>
#include "qprintengine.h"
#include "ui_qprintdialog.h"
#include "ui_qprintpropertiesdialog.h"
#include <private/qcups_p.h>
#include <cups/cups.h>
#include <private/qpdf_p.h>
#include <rpcsvc/ypclnt.h>
#include <rpcsvc/yp_prot.h>
#include <ctype.h>
#include "moc_qprintdialog.cpp"
#include "qprintdialog_unix.moc"

Include dependency graph for qprintdialog_unix.cpp:

Go to the source code of this file.

Classes
struct	QPrinterDescription
class	QPrintDialogPrivate
class	PPDOptionsModel
class	PPDOptionsEditor
class	PPDPropertiesDialog
class	OptionTreeItem
Defines
#define	skipSpaces()
Enumerations
enum
enum
Functions
static void	perhapsAddPrinter (QList< QPrinterDescription > *printers, const QString &name, QString host, QString comment, QStringList aliases=QStringList())
static void	parsePrinterDesc (QString printerDesc, QList< QPrinterDescription > *printers)
static int	parsePrintcap (QList< QPrinterDescription > *printers, const QString &fileName)
static void	parseEtcLpPrinters (QList< QPrinterDescription > *printers)
static char *	parsePrintersConf (QList< QPrinterDescription > *printers, bool *found=0)
static int	pd_foreach (int, char *, int, char *val, int valLen, char *data)
static int	retrieveNisPrinters (QList< QPrinterDescription > *printers)
static char *	parseNsswitchPrintersEntry (QList< QPrinterDescription > *printers, char *line)
static char *	parseNsswitchConf (QList< QPrinterDescription > *printers)
static void	parseEtcLpMember (QList< QPrinterDescription > *printers)
static void	parseSpoolInterface (QList< QPrinterDescription > *printers)
static void	parseQconfig (QList< QPrinterDescription > *printers)
static void	populatePaperSizes (QComboBox *cb)
static int	getLprPrinters (QList< QPrinterDescription > &printers)

---

Define Documentation

 

#define skipSpaces

(

)

Value:

while (isspace((uchar) line[k])) \
        k++

Referenced by parseNsswitchPrintersEntry().

---

Enumeration Type Documentation

anonymous enum

Definition at line 181 of file qprintdialog_unix.cpp.

{ Success = 's', Unavail = 'u', NotFound = 'n', TryAgain = 't' };

anonymous enum

Definition at line 182 of file qprintdialog_unix.cpp.

{ Continue = 'c', Return = 'r' };

---

Function Documentation

static int getLprPrinters

(

QList< QPrinterDescription > &

printers

)

[static]

Definition at line 815 of file qprintdialog_unix.cpp.

References QList< T >::at(), QRegExp::cap(), QPrinterDescription::comment, constData(), QByteArray::data(), QString::fromLocal8Bit(), i, QRegExp::indexIn(), QFileInfo::isDir(), QByteArray::isEmpty(), isEmpty(), QString::isEmpty(), QFileInfo::isFile(), QPrinterDescription::name, name, QFile::open(), parseEtcLpMember(), parseEtcLpPrinters(), parseNsswitchConf(), parsePrintcap(), parsePrintersConf(), parseQconfig(), parseSpoolInterface(), perhapsAddPrinter(), qgetenv(), quality, QIODevice::readLine(), QIODevice::ReadOnly, QByteArray::resize(), QFileInfo::setFile(), QList< T >::size(), and QString::toAscii().

Referenced by QPrintDialogPrivate::init().

{
    QByteArray etcLpDefault;
    parsePrintcap(&printers, QLatin1String("/etc/printcap"));
    parseEtcLpMember(&printers);
    parseSpoolInterface(&printers);
    parseQconfig(&printers);

    QFileInfo f;
    f.setFile(QLatin1String("/etc/lp/printers"));
    if (f.isDir()) {
        parseEtcLpPrinters(&printers);
        QFile def(QLatin1String("/etc/lp/default"));
        if (def.open(QIODevice::ReadOnly)) {
            etcLpDefault.resize(1025);
            if (def.readLine(etcLpDefault.data(), 1024) > 0) {
                QRegExp rx("^(\\S+)");
                if (rx.indexIn(etcLpDefault) != -1)
                    etcLpDefault = rx.cap(1).toAscii();
            }
        }
    }

    char *def = 0;
    f.setFile(QLatin1String("/etc/nsswitch.conf"));
    if (f.isFile()) {
        def = parseNsswitchConf(&printers);
    } else {
        f.setFile(QLatin1String("/etc/printers.conf"));
        if (f.isFile())
            def = parsePrintersConf(&printers);
    }

    if (def) {
        etcLpDefault = def;
        delete [] def;
    }

    // all printers hopefully known.  try to find a good default
    QString dollarPrinter;
    {
        if (!qgetenv("PRINTER").isEmpty())
            dollarPrinter = QString::fromLocal8Bit(qgetenv("LPDEST").constData());
        if (!dollarPrinter.isEmpty())
            perhapsAddPrinter(&printers, dollarPrinter,
                               QPrintDialog::tr("unknown"),
                              QLatin1String(""));
    }

    int quality = 0;
    int best = 0;
    for (int i = 0; i < printers.size(); ++i) {
        QRegExp ps(QLatin1String("[^a-z]ps(?:[^a-z]|$)"));
        QRegExp lp(QLatin1String("[^a-z]lp(?:[^a-z]|$)"));

        QString name = printers.at(i).name;
        QString comment = printers.at(i).comment;
        if (quality < 4 && name == dollarPrinter) {
            best = i;
            quality = 4;
        } else if (quality < 3 && !etcLpDefault.isEmpty() &&
                    name == QLatin1String(etcLpDefault)) {
            best = i;
            quality = 3;
        } else if (quality < 2 &&
                    (name == QLatin1String("ps") ||
                     ps.indexIn(comment) != -1)) {
            best = i;
            quality = 2;
        } else if (quality < 1 &&
                    (name == QLatin1String("lp") ||
                     lp.indexIn(comment) > -1)) {
            best = i;
            quality = 1;
        }
    }

    return best;
}

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static void parseEtcLpMember

(

QList< QPrinterDescription > *

printers

)

[static]

Definition at line 618 of file qprintdialog_unix.cpp.

References QList< T >::at(), QDir::entryInfoList(), QDir::exists(), i, QList< T >::isEmpty(), perhapsAddPrinter(), and QList< T >::size().

Referenced by getLprPrinters().

{
    QDir lp(QLatin1String("/etc/lp/member"));
    if (!lp.exists())
        return;
    QFileInfoList dirs = lp.entryInfoList();
    if (dirs.isEmpty())
        return;

    QString tmp;
    for (int i = 0; i < dirs.size(); ++i) {
        QFileInfo printer = dirs.at(i);
        // I haven't found any real documentation, so I'm guessing that
        // since lpstat uses /etc/lp/member rather than one of the
        // other directories, it's the one to use.  I did not find a
        // decent way to locate aliases and remote printers.
        if (printer.isFile())
            perhapsAddPrinter(printers, printer.fileName(),
                               QPrintDialog::tr("unknown"),
                               QLatin1String(""));
    }
}

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static void parseEtcLpPrinters

(

QList< QPrinterDescription > *

printers

)

[static]

Definition at line 283 of file qprintdialog_unix.cpp.

References QList< T >::at(), QFile::atEnd(), QDir::entryInfoList(), QString::fromLatin1(), QString::fromLocal8Bit(), i, QList< T >::isEmpty(), QFile::open(), p, perhapsAddPrinter(), QByteArray::qstrcmp(), QIODevice::readLine(), QIODevice::ReadOnly, s, QString::simplified(), QList< T >::size(), and QString::sprintf().

Referenced by getLprPrinters().

{
    QDir lp(QLatin1String("/etc/lp/printers"));
    QFileInfoList dirs = lp.entryInfoList();
    if (dirs.isEmpty())
        return;

    QString tmp;
    for (int i = 0; i < dirs.size(); ++i) {
        QFileInfo printer = dirs.at(i);
        if (printer.isDir()) {
            tmp.sprintf("/etc/lp/printers/%s/configuration",
                         printer.fileName().toAscii().data());
            QFile configuration(tmp);
            char *line = new char[1025];
            QString remote(QLatin1String("Remote:"));
            QString contentType(QLatin1String("Content types:"));
            QString printerHost;
            bool canPrintPostscript = false;
            if (configuration.open(QIODevice::ReadOnly)) {
                while (!configuration.atEnd() &&
                        configuration.readLine(line, 1024) > 0) {
                    if (QString::fromLatin1(line).startsWith(remote)) {
                        const char *p = line;
                        while (*p != ':')
                            p++;
                        p++;
                        while (isspace((uchar) *p))
                            p++;
                        printerHost = QString::fromLocal8Bit(p);
                        printerHost = printerHost.simplified();
                    } else if (QString::fromLatin1(line).startsWith(contentType)) {
                        char *p = line;
                        while (*p != ':')
                            p++;
                        p++;
                        char *e;
                        while (*p) {
                            while (isspace((uchar) *p))
                                p++;
                            if (*p) {
                                char s;
                                e = p;
                                while (isalnum((uchar) *e))
                                    e++;
                                s = *e;
                                *e = '\0';
                                if (!qstrcmp(p, "postscript") ||
                                     !qstrcmp(p, "any"))
                                    canPrintPostscript = true;
                                *e = s;
                                if (s == ',')
                                    e++;
                                p = e;
                            }
                        }
                    }
                }
                if (canPrintPostscript)
                    perhapsAddPrinter(printers, printer.fileName(),
                                       printerHost, QLatin1String(""));
            }
            delete[] line;
        }
    }
}

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static char* parseNsswitchConf

(

QList< QPrinterDescription > *

printers

)

[static]

Definition at line 591 of file qprintdialog_unix.cpp.

References QFile::atEnd(), QFile::open(), parseNsswitchPrintersEntry(), QByteArray::qstrncmp(), QIODevice::readLine(), and QIODevice::ReadOnly.

Referenced by getLprPrinters().

{
    QFile nc(QLatin1String("/etc/nsswitch.conf"));
    if (!nc.open(QIODevice::ReadOnly))
        return 0;

    char *defaultPrinter = 0;

    char *line = new char[1025];
    line[1024] = '\0';

    while (!nc.atEnd() &&
            nc.readLine(line, 1024) > 0) {
        if (qstrncmp(line, "printers", 8) == 0) {
            defaultPrinter = parseNsswitchPrintersEntry(printers, line);
            delete[] line;
            return defaultPrinter;
        }
    }

    strcpy(line, "printers: user files nis nisplus xfn");
    defaultPrinter = parseNsswitchPrintersEntry(printers, line);
    delete[] line;
    return defaultPrinter;
}

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static char* parseNsswitchPrintersEntry	(	QList< QPrinterDescription > *	printers,
		char *	line
	)			[static]

Definition at line 512 of file qprintdialog_unix.cpp.

References QDir::homePath(), NotFound, parsePrintcap(), parsePrintersConf(), retrieveNisPrinters(), Return, skipSpaces, and Success.

Referenced by parseNsswitchConf().

{
#define skipSpaces() \
    while (isspace((uchar) line[k])) \
        k++

    char *defaultPrinter = 0;
    bool stop = false;
    int lastStatus = NotFound;

    int k = 8;
    skipSpaces();
    if (line[k] != ':')
        return 0;
    k++;

    char *cp = strchr(line, '#');
    if (cp != 0)
        *cp = '\0';

    while (line[k] != '\0') {
        if (isspace((uchar) line[k])) {
            k++;
        } else if (line[k] == '[') {
            k++;
            skipSpaces();
            while (line[k] != '\0') {
                char status = tolower(line[k]);
                char action = '?';

                while (line[k] != '=' && line[k] != ']' && line[k] != '\0')
                    k++;
                if (line[k] == '=') {
                    k++;
                    skipSpaces();
                    action = tolower(line[k]);
                    while (line[k] != '\0' && !isspace((uchar) line[k]) && line[k] != ']')
                        k++;
                } else if (line[k] == ']') {
                    k++;
                    break;
                }
                skipSpaces();

                if (lastStatus == status)
                    stop = (action == (char) Return);
            }
        } else {
            if (stop)
                break;

            QByteArray source;
            while (!isspace((uchar) line[k]) && line[k] != '[') {
                source += line[k];
                k++;
            }

            if (source == "user") {
                lastStatus = parsePrintcap(printers,
                        QDir::homePath() + QLatin1String("/.printers"));
            } else if (source == "files") {
                bool found;
                defaultPrinter = parsePrintersConf(printers, &found);
                if (found)
                    lastStatus = Success;
#ifndef QT_NO_NIS
            } else if (source == "nis") {
                lastStatus = retrieveNisPrinters(printers);
#endif
            } else {
                // nisplus, dns, etc., are not implemented yet
                lastStatus = NotFound;
            }
            stop = (lastStatus == Success);
        }
    }
    return defaultPrinter;
}

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static int parsePrintcap	(	QList< QPrinterDescription > *	printers,
		const QString &	fileName
	)			[static]

Definition at line 244 of file qprintdialog_unix.cpp.

References QFile::atEnd(), QString::chop(), QString::fromLocal8Bit(), int, QString::length(), NotFound, QFile::open(), parsePrinterDesc(), QIODevice::readLine(), QIODevice::ReadOnly, Success, and QString::trimmed().

Referenced by getLprPrinters(), and parseNsswitchPrintersEntry().

{
    QFile printcap(fileName);
    if (!printcap.open(QIODevice::ReadOnly))
        return NotFound;

    char *line_ascii = new char[1025];
    line_ascii[1024] = '\0';

    QString printerDesc;
    bool atEnd = false;

    while (!atEnd) {
        if (printcap.atEnd() || printcap.readLine(line_ascii, 1024) <= 0)
            atEnd = true;
        QString line = QString::fromLocal8Bit(line_ascii);
        line = line.trimmed();
        if (line.length() >= 1 && line[int(line.length()) - 1] == QLatin1Char('\\'))
            line.chop(1);
        if (line[0] == QLatin1Char('#')) {
            if (!atEnd)
                continue;
        } else if (line[0] == QLatin1Char('|') || line[0] == QLatin1Char(':')) {
            printerDesc += line;
            if (!atEnd)
                continue;
        }

        parsePrinterDesc(printerDesc, printers);

        // add the first line of the new printer definition
        printerDesc = line;
    }
    delete[] line_ascii;
    return Success;
}

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static void parsePrinterDesc	(	QString	printerDesc,
		QList< QPrinterDescription > *	printers
	)			[static]

Definition at line 197 of file qprintdialog_unix.cpp.

References aliases, QString::arg(), i, QString::indexOf(), QUnicodeTables::isSpace(), j, QString::left(), QString::length(), QString::mid(), perhapsAddPrinter(), QString::simplified(), and QString::split().

Referenced by parsePrintcap(), and pd_foreach().

{
    if (printerDesc.length() < 1)
        return;

    printerDesc = printerDesc.simplified();
    int i = printerDesc.indexOf(QLatin1Char(':'));
    QString printerName, printerComment, printerHost;
    QStringList aliases;

    if (i >= 0) {
        // have ':' want '|'
        int j = printerDesc.indexOf(QLatin1Char('|'));
        if (j > 0 && j < i) {
            printerName = printerDesc.left(j);
            aliases = printerDesc.mid(j + 1, i - j - 1).split(QLatin1Char('|'));
            // try extracting a comment from the aliases
            printerComment = QPrintDialog::tr("Aliases: %1")
                             .arg(aliases.join(QLatin1String(", ")));
        } else {
            printerName = printerDesc.left(i);
        }
        // look for lprng pseudo all printers entry
        i = printerDesc.indexOf(QRegExp(QLatin1String(": *all *=")));
        if (i >= 0)
            printerName = QString();
        // look for signs of this being a remote printer
        i = printerDesc.indexOf(QRegExp(QLatin1String(": *rm *=")));
        if (i >= 0) {
            // point k at the end of remote host name
            while (printerDesc[i] != QLatin1Char('='))
                i++;
            while (printerDesc[i] == QLatin1Char('=') || printerDesc[i].isSpace())
                i++;
            j = i;
            while (j < (int)printerDesc.length() && printerDesc[j] != QLatin1Char(':'))
                j++;

            // and stuff that into the string
            printerHost = printerDesc.mid(i, j - i);
        }
    }
    if (printerName.length())
        perhapsAddPrinter(printers, printerName, printerHost, printerComment,
                           aliases);
}

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static char* parsePrintersConf	(	QList< QPrinterDescription > *	printers,
		bool *	found = 0
	)			[static]

Definition at line 352 of file qprintdialog_unix.cpp.

References aliases, QString::arg(), QFile::atEnd(), QByteArray::data(), QString::fromLocal8Bit(), i, QString::indexOf(), QUnicodeTables::isSpace(), j, QString::length(), QString::mid(), QFile::open(), perhapsAddPrinter(), QByteArray::qstrdup(), QIODevice::readLine(), QIODevice::ReadOnly, QString::simplified(), QString::split(), and QString::toAscii().

Referenced by getLprPrinters(), and parseNsswitchPrintersEntry().

{
    QFile pc(QLatin1String("/etc/printers.conf"));
    if (!pc.open(QIODevice::ReadOnly)) {
        if (found)
            *found = false;
        return 0;
    }
    if (found)
        *found = true;

    char *line = new char[1025];
    line[1024] = '\0';

    QString printerDesc;
    int lineLength = 0;

    char *defaultPrinter = 0;

    while (!pc.atEnd() &&
            (lineLength=pc.readLine(line, 1024)) > 0) {
        if (*line == '#') {
            *line = '\0';
            lineLength = 0;
        }
        if (lineLength >= 2 && line[lineLength-2] == '\\') {
            line[lineLength-2] = '\0';
            printerDesc += QString::fromLocal8Bit(line);
        } else {
            printerDesc += QString::fromLocal8Bit(line);
            printerDesc = printerDesc.simplified();
            int i = printerDesc.indexOf(QLatin1Char(':'));
            QString printerName, printerHost, printerComment;
            QStringList aliases;
            if (i >= 0) {
                // have : want |
                int j = printerDesc.indexOf(QLatin1Char('|'));
                if (j >= i)
                    j = -1;
                printerName = printerDesc.mid(0, j < 0 ? i : j);
                if (printerName == QLatin1String("_default")) {
                    i = printerDesc.indexOf(
                        QRegExp(QLatin1String(": *use *=")));
                    while (printerDesc[i] != QLatin1Char('='))
                        i++;
                    while (printerDesc[i] == QLatin1Char('=') || printerDesc[i].isSpace())
                        i++;
                    j = i;
                    while (j < (int)printerDesc.length() &&
                            printerDesc[j] != QLatin1Char(':') && printerDesc[j] != QLatin1Char(','))
                        j++;
                    // that's our default printer
                    defaultPrinter =
                        qstrdup(printerDesc.mid(i, j-i).toAscii().data());
                    printerName = QString();
                    printerDesc = QString();
                } else if (printerName == QLatin1String("_all")) {
                    // skip it.. any other cases we want to skip?
                    printerName = QString();
                    printerDesc = QString();
                }

                if (j > 0) {
                    // try extracting a comment from the aliases
                    aliases = printerDesc.mid(j + 1, i - j - 1).split(QLatin1Char('|'));
                    printerComment = QPrintDialog::tr("Aliases: %1")
                                     .arg(aliases.join(QLatin1String(", ")));
                }
                // look for signs of this being a remote printer
                i = printerDesc.indexOf(
                    QRegExp(QLatin1String(": *bsdaddr *=")));
                if (i >= 0) {
                    // point k at the end of remote host name
                    while (printerDesc[i] != QLatin1Char('='))
                        i++;
                    while (printerDesc[i] == QLatin1Char('=') || printerDesc[i].isSpace())
                        i++;
                    j = i;
                    while (j < (int)printerDesc.length() &&
                            printerDesc[j] != QLatin1Char(':') && printerDesc[j] != QLatin1Char(','))
                        j++;
                    // and stuff that into the string
                    printerHost = printerDesc.mid(i, j-i);
                    // maybe stick the remote printer name into the comment
                    if (printerDesc[j] == QLatin1Char(',')) {
                        i = ++j;
                        while (printerDesc[i].isSpace())
                            i++;
                        j = i;
                        while (j < (int)printerDesc.length() &&
                                printerDesc[j] != QLatin1Char(':') && printerDesc[j] != QLatin1Char(','))
                            j++;
                        if (printerName != printerDesc.mid(i, j-i)) {
                            printerComment =
                                QLatin1String("Remote name: ");
                            printerComment += printerDesc.mid(i, j-i);
                        }
                    }
                }
            }
            if (printerComment == QLatin1String(":"))
                printerComment = QString(); // for cups
            if (printerName.length())
                perhapsAddPrinter(printers, printerName, printerHost,
                                   printerComment, aliases);
            // chop away the line, for processing the next one
            printerDesc = QString();
        }
    }
    delete[] line;
    return defaultPrinter;
}

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static void parseQconfig

(

QList< QPrinterDescription > *

printers

)

[static]

Definition at line 718 of file qprintdialog_unix.cpp.

References QTextStream::atEnd(), QString::chop(), QString::clear(), QString::contains(), i, QString::indexOf(), QString::left(), QString::length(), QString::mid(), QFile::open(), perhapsAddPrinter(), QTextStream::readLine(), QIODevice::ReadOnly, QString::simplified(), and value.

Referenced by getLprPrinters().

{
    QFile qconfig(QLatin1String("/etc/qconfig"));
    if (!qconfig.open(QIODevice::ReadOnly))
        return;

    QTextStream ts(&qconfig);
    QString line;

    QString stanzaName; // either a queue or a device name
    bool up = true; // queue up?  default true, can be false
    QString remoteHost; // null if local
    QString deviceName; // null if remote

    QRegExp newStanza(QLatin1String("^[0-z\\-]*:$"));

    // our basic strategy here is to process each line, detecting new
    // stanzas.  each time we see a new stanza, we check if the
    // previous stanza was a valid queue for a) a remote printer or b)
    // a local printer.  if it wasn't, we assume that what we see is
    // the start of the first stanza, or that the previous stanza was
    // a device stanza, or that there is some syntax error (we don't
    // report those).

    do {
        line = ts.readLine();
        bool indented = line[0].isSpace();
        line = line.simplified();

        int i = line.indexOf(QLatin1Char('='));
        if (indented && i != -1) { // line in stanza
            QString variable = line.left(i).simplified();
            QString value=line.mid(i+1, line.length()).simplified();
            if (variable == QLatin1String("device"))
                deviceName = value;
            else if (variable == QLatin1String("host"))
                remoteHost = value;
            else if (variable == QLatin1String("up"))
                up = !(value.toLower() == QLatin1String("false"));
        } else if (line[0] == QLatin1Char('*')) { // comment
            // nothing to do
        } else if (ts.atEnd() || // end of file, or beginning of new stanza
                    (!indented && line.contains(newStanza))) {
            if (up && stanzaName.length() > 0 && stanzaName.length() < 21) {
                if (remoteHost.length()) // remote printer
                    perhapsAddPrinter(printers, stanzaName, remoteHost,
                                       QString());
                else if (deviceName.length()) // local printer
                    perhapsAddPrinter(printers, stanzaName, QString(),
                                       QString());
            }
            line.chop(1);
            if (line.length() >= 1 && line.length() <= 20)
                stanzaName = line;
            up = true;
            remoteHost.clear();
            deviceName.clear();
        } else {
            // syntax error?  ignore.
        }
    } while (!ts.atEnd());
}

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static void parseSpoolInterface

(

QList< QPrinterDescription > *

printers

)

[static]

Definition at line 642 of file qprintdialog_unix.cpp.

References QList< T >::at(), Qt::CaseInsensitive, QByteArray::data(), QDir::entryInfoList(), QDir::exists(), QString::fromLocal8Bit(), i, QString::indexOf(), QList< T >::isEmpty(), QString::isEmpty(), QString::length(), QString::mid(), perhapsAddPrinter(), QIODevice::ReadOnly, QString::remove(), QByteArray::resize(), QString::simplified(), QList< T >::size(), and QString::trimmed().

Referenced by getLprPrinters().

{
    QDir lp(QLatin1String("/usr/spool/lp/interface"));
    if (!lp.exists())
        return;
    QFileInfoList files = lp.entryInfoList();
    if(files.isEmpty())
        return;

    for (int i = 0; i < files.size(); ++i) {
        QFileInfo printer = files.at(i);

        if (!printer.isFile())
            continue;

        // parse out some information
        QFile configFile(printer.filePath());
        if (!configFile.open(QIODevice::ReadOnly))
            continue;

        QByteArray line;
        line.resize(1025);
        QString namePrinter;
        QString hostName;
        QString hostPrinter;
        QString printerType;

        QString nameKey(QLatin1String("NAME="));
        QString typeKey(QLatin1String("TYPE="));
        QString hostKey(QLatin1String("HOSTNAME="));
        QString hostPrinterKey(QLatin1String("HOSTPRINTER="));

        while (!configFile.atEnd() &&
                (configFile.readLine(line.data(), 1024)) > 0) {
            QString uline = QString::fromLocal8Bit(line);
            if (uline.startsWith(typeKey) ) {
                printerType = uline.mid(nameKey.length());
                printerType = printerType.simplified();
            } else if (uline.startsWith(hostKey)) {
                hostName = uline.mid(hostKey.length());
                hostName = hostName.simplified();
            } else if (uline.startsWith(hostPrinterKey)) {
                hostPrinter = uline.mid(hostPrinterKey.length());
                hostPrinter = hostPrinter.simplified();
            } else if (uline.startsWith(nameKey)) {
                namePrinter = uline.mid(nameKey.length());
                namePrinter = namePrinter.simplified();
            }
        }
        configFile.close();

        printerType = printerType.trimmed();
        if (printerType.indexOf(QLatin1String("postscript"), 0, Qt::CaseInsensitive) < 0)
            continue;

        int ii = 0;
        while ((ii = namePrinter.indexOf(QLatin1Char('"'), ii)) >= 0)
            namePrinter.remove(ii, 1);

        if (hostName.isEmpty() || hostPrinter.isEmpty()) {
            perhapsAddPrinter(printers, printer.fileName(),
                               QLatin1String(""), namePrinter);
        } else {
            QString comment;
            comment = namePrinter;
            comment += QLatin1String(" (");
            comment += hostPrinter;
            comment += QLatin1Char(')');
            perhapsAddPrinter(printers, printer.fileName(),
                               hostName, comment);
        }
    }
}

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static int pd_foreach	(	int	,
		char *	,
		int	,
		char *	val,
		int	valLen,
		char *	data
	)			[static]

Definition at line 471 of file qprintdialog_unix.cpp.

References QString::fromLatin1(), and parsePrinterDesc().

Referenced by retrieveNisPrinters().

{
    parsePrinterDesc(QString::fromLatin1(val, valLen), (QList<QPrinterDescription> *)data);
    return 0;
}

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static void perhapsAddPrinter	(	QList< QPrinterDescription > *	printers,
		const QString &	name,
		QString	host,
		QString	comment,
		QStringList	aliases = QStringList()
	)			[static]

Definition at line 184 of file qprintdialog_unix.cpp.

References aliases, QList< T >::append(), QList< T >::at(), i, QString::isEmpty(), name, QPrinterDescription::samePrinter(), QString::simplified(), and QList< T >::size().

Referenced by getLprPrinters(), parseEtcLpMember(), parseEtcLpPrinters(), parsePrinterDesc(), parsePrintersConf(), parseQconfig(), and parseSpoolInterface().

{
    for (int i = 0; i < printers->size(); ++i)
        if (printers->at(i).samePrinter(name))
            return;

    if (host.isEmpty())
        host = QPrintDialog::tr("locally connected");
    printers->append(QPrinterDescription(name.simplified(), host.simplified(), comment.simplified(), aliases));
}

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static void populatePaperSizes

(

QComboBox *

cb

)

[static]

Definition at line 781 of file qprintdialog_unix.cpp.

References QPrinter::A0, QPrinter::A1, QPrinter::A2, QPrinter::A3, QPrinter::A4, QPrinter::A5, QPrinter::A6, QPrinter::A7, QPrinter::A8, QPrinter::A9, QComboBox::addItem(), QPrinter::B0, QPrinter::B1, QPrinter::B10, QPrinter::B2, QPrinter::B3, QPrinter::B4, QPrinter::B5, QPrinter::B6, QPrinter::B7, QPrinter::B8, QPrinter::B9, QPrinter::C5E, QPrinter::Comm10E, QPrinter::DLE, QPrinter::Executive, QPrinter::Folio, QPrinter::Ledger, QPrinter::Legal, QPrinter::Letter, and QPrinter::Tabloid.

Referenced by QPrintDialogPrivate::refreshPageSizes().

{
    cb->addItem(QPrintDialog::tr("A0 (841 x 1189 mm)"), QPrinter::A0);
    cb->addItem(QPrintDialog::tr("A1 (594 x 841 mm)"), QPrinter::A1);
    cb->addItem(QPrintDialog::tr("A2 (420 x 594 mm)"), QPrinter::A2);
    cb->addItem(QPrintDialog::tr("A3 (297 x 420 mm)"), QPrinter::A3);
    cb->addItem(QPrintDialog::tr("A4 (210 x 297 mm, 8.26 x 11.7 inches)"), QPrinter::A4);
    cb->addItem(QPrintDialog::tr("A5 (148 x 210 mm)"), QPrinter::A5);
    cb->addItem(QPrintDialog::tr("A6 (105 x 148 mm)"), QPrinter::A6);
    cb->addItem(QPrintDialog::tr("A7 (74 x 105 mm)"), QPrinter::A7);
    cb->addItem(QPrintDialog::tr("A8 (52 x 74 mm)"), QPrinter::A8);
    cb->addItem(QPrintDialog::tr("A9 (37 x 52 mm)"), QPrinter::A9);
    cb->addItem(QPrintDialog::tr("B0 (1000 x 1414 mm)"), QPrinter::B0);
    cb->addItem(QPrintDialog::tr("B1 (707 x 1000 mm)"), QPrinter::B1);
    cb->addItem(QPrintDialog::tr("B2 (500 x 707 mm)"), QPrinter::B2);
    cb->addItem(QPrintDialog::tr("B3 (353 x 500 mm)"), QPrinter::B3);
    cb->addItem(QPrintDialog::tr("B4 (250 x 353 mm)"), QPrinter::B4);
    cb->addItem(QPrintDialog::tr("B5 (176 x 250 mm, 6.93 x 9.84 inches)"), QPrinter::B5);
    cb->addItem(QPrintDialog::tr("B6 (125 x 176 mm)"), QPrinter::B6);
    cb->addItem(QPrintDialog::tr("B7 (88 x 125 mm)"), QPrinter::B7);
    cb->addItem(QPrintDialog::tr("B8 (62 x 88 mm)"), QPrinter::B8);
    cb->addItem(QPrintDialog::tr("B9 (44 x 62 mm)"), QPrinter::B9);
    cb->addItem(QPrintDialog::tr("B10 (31 x 44 mm)"), QPrinter::B10);
    cb->addItem(QPrintDialog::tr("C5E (163 x 229 mm)"), QPrinter::C5E);
    cb->addItem(QPrintDialog::tr("DLE (110 x 220 mm)"), QPrinter::DLE);
    cb->addItem(QPrintDialog::tr("Executive (7.5 x 10 inches, 191 x 254 mm)"), QPrinter::Executive);
    cb->addItem(QPrintDialog::tr("Folio (210 x 330 mm)"), QPrinter::Folio);
    cb->addItem(QPrintDialog::tr("Ledger (432 x 279 mm)"), QPrinter::Ledger);
    cb->addItem(QPrintDialog::tr("Legal (8.5 x 14 inches, 216 x 356 mm)"), QPrinter::Legal);
    cb->addItem(QPrintDialog::tr("Letter (8.5 x 11 inches, 216 x 279 mm)"), QPrinter::Letter);
    cb->addItem(QPrintDialog::tr("Tabloid (279 x 432 mm)"), QPrinter::Tabloid);
    cb->addItem(QPrintDialog::tr("US Common #10 Envelope (105 x 241 mm)"), QPrinter::Comm10E);
}

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static int retrieveNisPrinters

(

QList< QPrinterDescription > *

printers

)

[static]

Definition at line 482 of file qprintdialog_unix.cpp.

References int, pd_foreach(), QLibrary::resolve(), Success, and Unavail.

Referenced by parseNsswitchPrintersEntry().

{
    typedef int (*WildCast)(int, char *, int, char *, int, char *);
    char printersConfByname[] = "printers.conf.byname";
    char *domain;
    int err;

    QLibrary lib(QLatin1String("nsl"));
    typedef int (*ypGetDefaultDomain)(char **);
    ypGetDefaultDomain _ypGetDefaultDomain = (ypGetDefaultDomain)lib.resolve("yp_get_default_domain");
    typedef int (*ypAll)(const char *, const char *, const struct ypall_callback *);
    ypAll _ypAll = (ypAll)lib.resolve("yp_all");

    if (_ypGetDefaultDomain && _ypAll) {
        err = _ypGetDefaultDomain(&domain);
        if (err == 0) {
            ypall_callback cb;
            // wild cast to support K&R-style system headers
            (WildCast &) cb.foreach = (WildCast) pd_foreach;
            cb.data = (char *) printers;
            err = _ypAll(domain, printersConfByname, &cb);
        }
        if (!err)
            return Success;
    }
    return Unavail;
}

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